FreeBSD kernel CAM code
ctl.c
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1/*-
2 * SPDX-License-Identifier: BSD-2-Clause-FreeBSD
3 *
4 * Copyright (c) 2003-2009 Silicon Graphics International Corp.
5 * Copyright (c) 2012 The FreeBSD Foundation
6 * Copyright (c) 2014-2017 Alexander Motin <mav@FreeBSD.org>
7 * Copyright (c) 2017 Jakub Wojciech Klama <jceel@FreeBSD.org>
8 * Copyright (c) 2018 Marcelo Araujo <araujo@FreeBSD.org>
9 * All rights reserved.
10 *
11 * Portions of this software were developed by Edward Tomasz Napierala
12 * under sponsorship from the FreeBSD Foundation.
13 *
14 * Redistribution and use in source and binary forms, with or without
15 * modification, are permitted provided that the following conditions
16 * are met:
17 * 1. Redistributions of source code must retain the above copyright
18 * notice, this list of conditions, and the following disclaimer,
19 * without modification.
20 * 2. Redistributions in binary form must reproduce at minimum a disclaimer
21 * substantially similar to the "NO WARRANTY" disclaimer below
22 * ("Disclaimer") and any redistribution must be conditioned upon
23 * including a substantially similar Disclaimer requirement for further
24 * binary redistribution.
25 *
26 * NO WARRANTY
27 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
28 * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
29 * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTIBILITY AND FITNESS FOR
30 * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
31 * HOLDERS OR CONTRIBUTORS BE LIABLE FOR SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
32 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
33 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
34 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
35 * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING
36 * IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
37 * POSSIBILITY OF SUCH DAMAGES.
38 *
39 * $Id$
40 */
41/*
42 * CAM Target Layer, a SCSI device emulation subsystem.
43 *
44 * Author: Ken Merry <ken@FreeBSD.org>
45 */
46
47#include <sys/cdefs.h>
48__FBSDID("$FreeBSD$");
49
50#include <sys/param.h>
51#include <sys/systm.h>
52#include <sys/ctype.h>
53#include <sys/kernel.h>
54#include <sys/types.h>
55#include <sys/kthread.h>
56#include <sys/bio.h>
57#include <sys/fcntl.h>
58#include <sys/lock.h>
59#include <sys/module.h>
60#include <sys/mutex.h>
61#include <sys/condvar.h>
62#include <sys/malloc.h>
63#include <sys/conf.h>
64#include <sys/ioccom.h>
65#include <sys/queue.h>
66#include <sys/sbuf.h>
67#include <sys/smp.h>
68#include <sys/endian.h>
69#include <sys/proc.h>
70#include <sys/sched.h>
71#include <sys/sysctl.h>
72#include <sys/nv.h>
73#include <sys/dnv.h>
74#include <vm/uma.h>
75
76#include <cam/cam.h>
77#include <cam/scsi/scsi_all.h>
78#include <cam/scsi/scsi_cd.h>
79#include <cam/scsi/scsi_da.h>
80#include <cam/ctl/ctl_io.h>
81#include <cam/ctl/ctl.h>
83#include <cam/ctl/ctl_util.h>
84#include <cam/ctl/ctl_backend.h>
85#include <cam/ctl/ctl_ioctl.h>
86#include <cam/ctl/ctl_ha.h>
87#include <cam/ctl/ctl_private.h>
88#include <cam/ctl/ctl_debug.h>
90#include <cam/ctl/ctl_error.h>
91
92struct ctl_softc *control_softc = NULL;
93
94/*
95 * Template mode pages.
96 */
97
98/*
99 * Note that these are default values only. The actual values will be
100 * filled in when the user does a mode sense.
101 */
103 /*page_code*/SMS_RW_ERROR_RECOVERY_PAGE,
104 /*page_length*/sizeof(struct scsi_da_rw_recovery_page) - 2,
106 /*read_retry_count*/0,
107 /*correction_span*/0,
108 /*head_offset_count*/0,
109 /*data_strobe_offset_cnt*/0,
110 /*byte8*/SMS_RWER_LBPERE,
111 /*write_retry_count*/0,
112 /*reserved2*/0,
113 /*recovery_time_limit*/{0, 0},
114};
115
117 /*page_code*/SMS_RW_ERROR_RECOVERY_PAGE,
118 /*page_length*/sizeof(struct scsi_da_rw_recovery_page) - 2,
119 /*byte3*/SMS_RWER_PER,
120 /*read_retry_count*/0,
121 /*correction_span*/0,
122 /*head_offset_count*/0,
123 /*data_strobe_offset_cnt*/0,
124 /*byte8*/SMS_RWER_LBPERE,
125 /*write_retry_count*/0,
126 /*reserved2*/0,
127 /*recovery_time_limit*/{0, 0},
128};
129
131 /*page_code*/SMS_FORMAT_DEVICE_PAGE,
132 /*page_length*/sizeof(struct scsi_format_page) - 2,
133 /*tracks_per_zone*/ {0, 0},
134 /*alt_sectors_per_zone*/ {0, 0},
135 /*alt_tracks_per_zone*/ {0, 0},
136 /*alt_tracks_per_lun*/ {0, 0},
137 /*sectors_per_track*/ {(CTL_DEFAULT_SECTORS_PER_TRACK >> 8) & 0xff,
139 /*bytes_per_sector*/ {0, 0},
140 /*interleave*/ {0, 0},
141 /*track_skew*/ {0, 0},
142 /*cylinder_skew*/ {0, 0},
143 /*flags*/ SFP_HSEC,
144 /*reserved*/ {0, 0, 0}
145};
146
148 /*page_code*/SMS_FORMAT_DEVICE_PAGE,
149 /*page_length*/sizeof(struct scsi_format_page) - 2,
150 /*tracks_per_zone*/ {0, 0},
151 /*alt_sectors_per_zone*/ {0, 0},
152 /*alt_tracks_per_zone*/ {0, 0},
153 /*alt_tracks_per_lun*/ {0, 0},
154 /*sectors_per_track*/ {0, 0},
155 /*bytes_per_sector*/ {0, 0},
156 /*interleave*/ {0, 0},
157 /*track_skew*/ {0, 0},
158 /*cylinder_skew*/ {0, 0},
159 /*flags*/ 0,
160 /*reserved*/ {0, 0, 0}
161};
162
164 /*page_code*/SMS_RIGID_DISK_PAGE,
165 /*page_length*/sizeof(struct scsi_rigid_disk_page) - 2,
166 /*cylinders*/ {0, 0, 0},
167 /*heads*/ CTL_DEFAULT_HEADS,
168 /*start_write_precomp*/ {0, 0, 0},
169 /*start_reduced_current*/ {0, 0, 0},
170 /*step_rate*/ {0, 0},
171 /*landing_zone_cylinder*/ {0, 0, 0},
172 /*rpl*/ SRDP_RPL_DISABLED,
173 /*rotational_offset*/ 0,
174 /*reserved1*/ 0,
175 /*rotation_rate*/ {(CTL_DEFAULT_ROTATION_RATE >> 8) & 0xff,
177 /*reserved2*/ {0, 0}
178};
179
181 /*page_code*/SMS_RIGID_DISK_PAGE,
182 /*page_length*/sizeof(struct scsi_rigid_disk_page) - 2,
183 /*cylinders*/ {0, 0, 0},
184 /*heads*/ 0,
185 /*start_write_precomp*/ {0, 0, 0},
186 /*start_reduced_current*/ {0, 0, 0},
187 /*step_rate*/ {0, 0},
188 /*landing_zone_cylinder*/ {0, 0, 0},
189 /*rpl*/ 0,
190 /*rotational_offset*/ 0,
191 /*reserved1*/ 0,
192 /*rotation_rate*/ {0, 0},
193 /*reserved2*/ {0, 0}
194};
195
198 /*page_length*/sizeof(struct scsi_da_verify_recovery_page) - 2,
199 /*byte3*/0,
200 /*read_retry_count*/0,
201 /*reserved*/{ 0, 0, 0, 0, 0, 0 },
202 /*recovery_time_limit*/{0, 0},
203};
204
207 /*page_length*/sizeof(struct scsi_da_verify_recovery_page) - 2,
208 /*byte3*/SMS_VER_PER,
209 /*read_retry_count*/0,
210 /*reserved*/{ 0, 0, 0, 0, 0, 0 },
211 /*recovery_time_limit*/{0, 0},
212};
213
215 /*page_code*/SMS_CACHING_PAGE,
216 /*page_length*/sizeof(struct scsi_caching_page) - 2,
217 /*flags1*/ SCP_DISC | SCP_WCE,
218 /*ret_priority*/ 0,
219 /*disable_pf_transfer_len*/ {0xff, 0xff},
220 /*min_prefetch*/ {0, 0},
221 /*max_prefetch*/ {0xff, 0xff},
222 /*max_pf_ceiling*/ {0xff, 0xff},
223 /*flags2*/ 0,
224 /*cache_segments*/ 0,
225 /*cache_seg_size*/ {0, 0},
226 /*reserved*/ 0,
227 /*non_cache_seg_size*/ {0, 0, 0}
228};
229
231 /*page_code*/SMS_CACHING_PAGE,
232 /*page_length*/sizeof(struct scsi_caching_page) - 2,
233 /*flags1*/ SCP_WCE | SCP_RCD,
234 /*ret_priority*/ 0,
235 /*disable_pf_transfer_len*/ {0, 0},
236 /*min_prefetch*/ {0, 0},
237 /*max_prefetch*/ {0, 0},
238 /*max_pf_ceiling*/ {0, 0},
239 /*flags2*/ 0,
240 /*cache_segments*/ 0,
241 /*cache_seg_size*/ {0, 0},
242 /*reserved*/ 0,
243 /*non_cache_seg_size*/ {0, 0, 0}
244};
245
247 /*page_code*/SMS_CONTROL_MODE_PAGE,
248 /*page_length*/sizeof(struct scsi_control_page) - 2,
249 /*rlec*/0,
250 /*queue_flags*/SCP_QUEUE_ALG_RESTRICTED,
251 /*eca_and_aen*/0,
252 /*flags4*/SCP_TAS,
253 /*aen_holdoff_period*/{0, 0},
254 /*busy_timeout_period*/{0, 0},
255 /*extended_selftest_completion_time*/{0, 0}
256};
257
259 /*page_code*/SMS_CONTROL_MODE_PAGE,
260 /*page_length*/sizeof(struct scsi_control_page) - 2,
261 /*rlec*/SCP_DSENSE,
262 /*queue_flags*/SCP_QUEUE_ALG_MASK | SCP_NUAR,
263 /*eca_and_aen*/SCP_SWP,
264 /*flags4*/0,
265 /*aen_holdoff_period*/{0, 0},
266 /*busy_timeout_period*/{0, 0},
267 /*extended_selftest_completion_time*/{0, 0}
268};
269
270#define CTL_CEM_LEN (sizeof(struct scsi_control_ext_page) - 4)
271
273 /*page_code*/SMS_CONTROL_MODE_PAGE | SMPH_SPF,
274 /*subpage_code*/0x01,
275 /*page_length*/{CTL_CEM_LEN >> 8, CTL_CEM_LEN},
276 /*flags*/0,
277 /*prio*/0,
278 /*max_sense*/0
279};
280
282 /*page_code*/SMS_CONTROL_MODE_PAGE | SMPH_SPF,
283 /*subpage_code*/0x01,
284 /*page_length*/{CTL_CEM_LEN >> 8, CTL_CEM_LEN},
285 /*flags*/0,
286 /*prio*/0,
287 /*max_sense*/0xff
288};
289
291 /*page_code*/SMS_INFO_EXCEPTIONS_PAGE,
292 /*page_length*/sizeof(struct scsi_info_exceptions_page) - 2,
293 /*info_flags*/SIEP_FLAGS_EWASC,
294 /*mrie*/SIEP_MRIE_NO,
295 /*interval_timer*/{0, 0, 0, 0},
296 /*report_count*/{0, 0, 0, 1}
297};
298
300 /*page_code*/SMS_INFO_EXCEPTIONS_PAGE,
301 /*page_length*/sizeof(struct scsi_info_exceptions_page) - 2,
304 /*mrie*/0x0f,
305 /*interval_timer*/{0xff, 0xff, 0xff, 0xff},
306 /*report_count*/{0xff, 0xff, 0xff, 0xff}
307};
308
309#define CTL_LBPM_LEN (sizeof(struct ctl_logical_block_provisioning_page) - 4)
310
312 /*page_code*/SMS_INFO_EXCEPTIONS_PAGE | SMPH_SPF,
313 /*subpage_code*/0x02,
314 /*page_length*/{CTL_LBPM_LEN >> 8, CTL_LBPM_LEN},
315 /*flags*/0,
316 /*reserved*/{0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0},
317 /*descr*/{}},
318 {{/*flags*/0,
319 /*resource*/0x01,
320 /*reserved*/{0, 0},
321 /*count*/{0, 0, 0, 0}},
322 {/*flags*/0,
323 /*resource*/0x02,
324 /*reserved*/{0, 0},
325 /*count*/{0, 0, 0, 0}},
326 {/*flags*/0,
327 /*resource*/0xf1,
328 /*reserved*/{0, 0},
329 /*count*/{0, 0, 0, 0}},
330 {/*flags*/0,
331 /*resource*/0xf2,
332 /*reserved*/{0, 0},
333 /*count*/{0, 0, 0, 0}}
334 }
335};
336
338 /*page_code*/SMS_INFO_EXCEPTIONS_PAGE | SMPH_SPF,
339 /*subpage_code*/0x02,
340 /*page_length*/{CTL_LBPM_LEN >> 8, CTL_LBPM_LEN},
341 /*flags*/SLBPP_SITUA,
342 /*reserved*/{0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0},
343 /*descr*/{}},
344 {{/*flags*/0,
345 /*resource*/0,
346 /*reserved*/{0, 0},
347 /*count*/{0, 0, 0, 0}},
348 {/*flags*/0,
349 /*resource*/0,
350 /*reserved*/{0, 0},
351 /*count*/{0, 0, 0, 0}},
352 {/*flags*/0,
353 /*resource*/0,
354 /*reserved*/{0, 0},
355 /*count*/{0, 0, 0, 0}},
356 {/*flags*/0,
357 /*resource*/0,
358 /*reserved*/{0, 0},
359 /*count*/{0, 0, 0, 0}}
360 }
361};
362
364 /*page_code*/SMS_CDDVD_CAPS_PAGE,
365 /*page_length*/sizeof(struct scsi_cddvd_capabilities_page) - 2,
366 /*caps1*/0x3f,
367 /*caps2*/0x00,
368 /*caps3*/0xf0,
369 /*caps4*/0x00,
370 /*caps5*/0x29,
371 /*caps6*/0x00,
372 /*obsolete*/{0, 0},
373 /*nvol_levels*/{0, 0},
374 /*buffer_size*/{8, 0},
375 /*obsolete2*/{0, 0},
376 /*reserved*/0,
377 /*digital*/0,
378 /*obsolete3*/0,
379 /*copy_management*/0,
380 /*reserved2*/0,
381 /*rotation_control*/0,
382 /*cur_write_speed*/0,
383 /*num_speed_descr*/0,
384};
385
387 /*page_code*/SMS_CDDVD_CAPS_PAGE,
388 /*page_length*/sizeof(struct scsi_cddvd_capabilities_page) - 2,
389 /*caps1*/0,
390 /*caps2*/0,
391 /*caps3*/0,
392 /*caps4*/0,
393 /*caps5*/0,
394 /*caps6*/0,
395 /*obsolete*/{0, 0},
396 /*nvol_levels*/{0, 0},
397 /*buffer_size*/{0, 0},
398 /*obsolete2*/{0, 0},
399 /*reserved*/0,
400 /*digital*/0,
401 /*obsolete3*/0,
402 /*copy_management*/0,
403 /*reserved2*/0,
404 /*rotation_control*/0,
405 /*cur_write_speed*/0,
406 /*num_speed_descr*/0,
407};
408
409SYSCTL_NODE(_kern_cam, OID_AUTO, ctl, CTLFLAG_RD | CTLFLAG_MPSAFE, 0,
410 "CAM Target Layer");
411static int worker_threads = -1;
412SYSCTL_INT(_kern_cam_ctl, OID_AUTO, worker_threads, CTLFLAG_RDTUN,
413 &worker_threads, 1, "Number of worker threads");
415SYSCTL_INT(_kern_cam_ctl, OID_AUTO, debug, CTLFLAG_RWTUN,
416 &ctl_debug, 0, "Enabled debug flags");
417static int ctl_lun_map_size = 1024;
418SYSCTL_INT(_kern_cam_ctl, OID_AUTO, lun_map_size, CTLFLAG_RWTUN,
419 &ctl_lun_map_size, 0, "Size of per-port LUN map (max LUN + 1)");
420#ifdef CTL_TIME_IO
421static int ctl_time_io_secs = CTL_TIME_IO_DEFAULT_SECS;
422SYSCTL_INT(_kern_cam_ctl, OID_AUTO, time_io_secs, CTLFLAG_RWTUN,
423 &ctl_time_io_secs, 0, "Log requests taking more seconds");
424#endif
425
426/*
427 * Maximum number of LUNs we support. MUST be a power of 2.
428 */
429#define CTL_DEFAULT_MAX_LUNS 1024
431TUNABLE_INT("kern.cam.ctl.max_luns", &ctl_max_luns);
432SYSCTL_INT(_kern_cam_ctl, OID_AUTO, max_luns, CTLFLAG_RDTUN,
433 &ctl_max_luns, CTL_DEFAULT_MAX_LUNS, "Maximum number of LUNs");
434
435/*
436 * Maximum number of ports registered at one time.
437 */
438#define CTL_DEFAULT_MAX_PORTS 256
440TUNABLE_INT("kern.cam.ctl.max_ports", &ctl_max_ports);
441SYSCTL_INT(_kern_cam_ctl, OID_AUTO, max_ports, CTLFLAG_RDTUN,
442 &ctl_max_ports, CTL_DEFAULT_MAX_LUNS, "Maximum number of ports");
443
444/*
445 * Maximum number of initiators we support.
446 */
447#define CTL_MAX_INITIATORS (CTL_MAX_INIT_PER_PORT * ctl_max_ports)
448
449/*
450 * Supported pages (0x00), Serial number (0x80), Device ID (0x83),
451 * Extended INQUIRY Data (0x86), Mode Page Policy (0x87),
452 * SCSI Ports (0x88), Third-party Copy (0x8F), SCSI Feature Sets (0x92),
453 * Block limits (0xB0), Block Device Characteristics (0xB1) and
454 * Logical Block Provisioning (0xB2)
455 */
456#define SCSI_EVPD_NUM_SUPPORTED_PAGES 11
457
458static void ctl_isc_event_handler(ctl_ha_channel chanel, ctl_ha_event event,
459 int param);
460static void ctl_copy_sense_data(union ctl_ha_msg *src, union ctl_io *dest);
461static void ctl_copy_sense_data_back(union ctl_io *src, union ctl_ha_msg *dest);
462static int ctl_init(void);
463static int ctl_shutdown(void);
464static int ctl_open(struct cdev *dev, int flags, int fmt, struct thread *td);
465static int ctl_close(struct cdev *dev, int flags, int fmt, struct thread *td);
466static void ctl_serialize_other_sc_cmd(struct ctl_scsiio *ctsio);
467static void ctl_ioctl_fill_ooa(struct ctl_lun *lun, uint32_t *cur_fill_num,
468 struct ctl_ooa *ooa_hdr,
469 struct ctl_ooa_entry *kern_entries);
470static int ctl_ioctl(struct cdev *dev, u_long cmd, caddr_t addr, int flag,
471 struct thread *td);
472static int ctl_enable_lun(struct ctl_lun *lun);
473static int ctl_disable_lun(struct ctl_lun *lun);
474static int ctl_free_lun(struct ctl_lun *lun);
475
476static int ctl_do_mode_select(union ctl_io *io);
477static int ctl_pro_preempt(struct ctl_softc *softc, struct ctl_lun *lun,
478 uint64_t res_key, uint64_t sa_res_key,
479 uint8_t type, uint32_t residx,
480 struct ctl_scsiio *ctsio,
481 struct scsi_per_res_out *cdb,
482 struct scsi_per_res_out_parms* param);
483static void ctl_pro_preempt_other(struct ctl_lun *lun,
484 union ctl_ha_msg *msg);
485static void ctl_hndl_per_res_out_on_other_sc(union ctl_io *io);
486static int ctl_inquiry_evpd_supported(struct ctl_scsiio *ctsio, int alloc_len);
487static int ctl_inquiry_evpd_serial(struct ctl_scsiio *ctsio, int alloc_len);
488static int ctl_inquiry_evpd_devid(struct ctl_scsiio *ctsio, int alloc_len);
489static int ctl_inquiry_evpd_eid(struct ctl_scsiio *ctsio, int alloc_len);
490static int ctl_inquiry_evpd_mpp(struct ctl_scsiio *ctsio, int alloc_len);
491static int ctl_inquiry_evpd_scsi_ports(struct ctl_scsiio *ctsio,
492 int alloc_len);
493static int ctl_inquiry_evpd_sfs(struct ctl_scsiio *ctsio, int alloc_len);
494static int ctl_inquiry_evpd_block_limits(struct ctl_scsiio *ctsio,
495 int alloc_len);
496static int ctl_inquiry_evpd_bdc(struct ctl_scsiio *ctsio, int alloc_len);
497static int ctl_inquiry_evpd_lbp(struct ctl_scsiio *ctsio, int alloc_len);
498static int ctl_inquiry_evpd(struct ctl_scsiio *ctsio);
499static int ctl_inquiry_std(struct ctl_scsiio *ctsio);
500static int ctl_get_lba_len(union ctl_io *io, uint64_t *lba, uint64_t *len);
501static ctl_action ctl_extent_check(union ctl_io *io1, union ctl_io *io2,
502 bool seq);
503static ctl_action ctl_seq_check(union ctl_io *io1, union ctl_io *io2);
504static ctl_action ctl_check_for_blockage(struct ctl_lun *lun,
505 union ctl_io *pending_io, const uint8_t *serialize_row,
506 union ctl_io *ooa_io);
507static ctl_action ctl_check_ooa(struct ctl_lun *lun, union ctl_io *pending_io,
508 union ctl_io **starting_io);
509static void ctl_try_unblock_io(struct ctl_lun *lun, union ctl_io *io,
510 bool skip);
511static void ctl_try_unblock_others(struct ctl_lun *lun, union ctl_io *io,
512 bool skip);
513static int ctl_scsiio_lun_check(struct ctl_lun *lun,
514 const struct ctl_cmd_entry *entry,
515 struct ctl_scsiio *ctsio);
516static void ctl_failover_lun(union ctl_io *io);
517static void ctl_scsiio_precheck(struct ctl_scsiio *ctsio);
518static int ctl_scsiio(struct ctl_scsiio *ctsio);
519
520static int ctl_target_reset(union ctl_io *io);
521static void ctl_do_lun_reset(struct ctl_lun *lun, uint32_t initidx,
522 ctl_ua_type ua_type);
523static int ctl_lun_reset(union ctl_io *io);
524static int ctl_abort_task(union ctl_io *io);
525static int ctl_abort_task_set(union ctl_io *io);
526static int ctl_query_task(union ctl_io *io, int task_set);
527static void ctl_i_t_nexus_loss(struct ctl_softc *softc, uint32_t initidx,
528 ctl_ua_type ua_type);
529static int ctl_i_t_nexus_reset(union ctl_io *io);
530static int ctl_query_async_event(union ctl_io *io);
531static void ctl_run_task(union ctl_io *io);
532#ifdef CTL_IO_DELAY
533static void ctl_datamove_timer_wakeup(void *arg);
534static void ctl_done_timer_wakeup(void *arg);
535#endif /* CTL_IO_DELAY */
536
537static void ctl_send_datamove_done(union ctl_io *io, int have_lock);
538static void ctl_datamove_remote_write_cb(struct ctl_ha_dt_req *rq);
539static int ctl_datamove_remote_dm_write_cb(union ctl_io *io, bool samethr);
540static void ctl_datamove_remote_write(union ctl_io *io);
541static int ctl_datamove_remote_dm_read_cb(union ctl_io *io, bool samethr);
542static void ctl_datamove_remote_read_cb(struct ctl_ha_dt_req *rq);
543static int ctl_datamove_remote_sgl_setup(union ctl_io *io);
544static int ctl_datamove_remote_xfer(union ctl_io *io, unsigned command,
545 ctl_ha_dt_cb callback);
546static void ctl_datamove_remote_read(union ctl_io *io);
547static void ctl_datamove_remote(union ctl_io *io);
548static void ctl_process_done(union ctl_io *io);
549static void ctl_thresh_thread(void *arg);
550static void ctl_work_thread(void *arg);
551static void ctl_enqueue_incoming(union ctl_io *io);
552static void ctl_enqueue_rtr(union ctl_io *io);
553static void ctl_enqueue_done(union ctl_io *io);
554static void ctl_enqueue_isc(union ctl_io *io);
555static const struct ctl_cmd_entry *
556 ctl_get_cmd_entry(struct ctl_scsiio *ctsio, int *sa);
557static const struct ctl_cmd_entry *
558 ctl_validate_command(struct ctl_scsiio *ctsio);
559static int ctl_cmd_applicable(uint8_t lun_type,
560 const struct ctl_cmd_entry *entry);
561static int ctl_ha_init(void);
562static int ctl_ha_shutdown(void);
563
564static uint64_t ctl_get_prkey(struct ctl_lun *lun, uint32_t residx);
565static void ctl_clr_prkey(struct ctl_lun *lun, uint32_t residx);
566static void ctl_alloc_prkey(struct ctl_lun *lun, uint32_t residx);
567static void ctl_set_prkey(struct ctl_lun *lun, uint32_t residx, uint64_t key);
568
569/*
570 * Load the serialization table. This isn't very pretty, but is probably
571 * the easiest way to do it.
572 */
573#include "ctl_ser_table.c"
574
575/*
576 * We only need to define open, close and ioctl routines for this driver.
577 */
578static struct cdevsw ctl_cdevsw = {
579 .d_version = D_VERSION,
580 .d_flags = 0,
581 .d_open = ctl_open,
582 .d_close = ctl_close,
583 .d_ioctl = ctl_ioctl,
584 .d_name = "ctl",
585};
586
587MALLOC_DEFINE(M_CTL, "ctlmem", "Memory used for CTL");
588
589static int ctl_module_event_handler(module_t, int /*modeventtype_t*/, void *);
590
591static moduledata_t ctl_moduledata = {
592 "ctl",
594 NULL
595};
596
597DECLARE_MODULE(ctl, ctl_moduledata, SI_SUB_CONFIGURE, SI_ORDER_THIRD);
599
601{
602 .name = "ha",
603 .init = ctl_ha_init,
604 .shutdown = ctl_ha_shutdown,
605};
606
607static int
609{
610 struct ctl_softc *softc = control_softc;
611
612 if (ctl_pool_create(softc, "othersc", CTL_POOL_ENTRIES_OTHER_SC,
613 &softc->othersc_pool) != 0)
614 return (ENOMEM);
617 return (EIO);
618 }
621 ctl_ha_msg_destroy(softc);
623 return (EIO);
624 }
625 return (0);
626};
627
628static int
630{
631 struct ctl_softc *softc = control_softc;
632 struct ctl_port *port;
633
634 ctl_ha_msg_shutdown(softc);
636 return (EIO);
638 return (EIO);
640 while ((port = STAILQ_FIRST(&ha_frontend.port_list)) != NULL) {
642 free(port->port_name, M_CTL);
643 free(port, M_CTL);
644 }
645 return (0);
646};
647
648static void
650{
651 struct ctl_lun *lun = CTL_LUN(io);
652 struct ctl_sg_entry *sgl;
653 union ctl_ha_msg msg;
654 uint32_t sg_entries_sent;
655 int do_sg_copy, i, j;
656
657 memset(&msg.dt, 0, sizeof(msg.dt));
660 msg.hdr.serializing_sc = io;
661 msg.hdr.nexus = io->io_hdr.nexus;
662 msg.hdr.status = io->io_hdr.status;
663 msg.dt.flags = io->io_hdr.flags;
664
665 /*
666 * We convert everything into a S/G list here. We can't
667 * pass by reference, only by value between controllers.
668 * So we can't pass a pointer to the S/G list, only as many
669 * S/G entries as we can fit in here. If it's possible for
670 * us to get more than CTL_HA_MAX_SG_ENTRIES S/G entries,
671 * then we need to break this up into multiple transfers.
672 */
673 if (io->scsiio.kern_sg_entries == 0) {
674 msg.dt.kern_sg_entries = 1;
675#if 0
676 if (io->io_hdr.flags & CTL_FLAG_BUS_ADDR) {
677 msg.dt.sg_list[0].addr = io->scsiio.kern_data_ptr;
678 } else {
679 /* XXX KDM use busdma here! */
680 msg.dt.sg_list[0].addr =
681 (void *)vtophys(io->scsiio.kern_data_ptr);
682 }
683#else
684 KASSERT((io->io_hdr.flags & CTL_FLAG_BUS_ADDR) == 0,
685 ("HA does not support BUS_ADDR"));
686 msg.dt.sg_list[0].addr = io->scsiio.kern_data_ptr;
687#endif
688 msg.dt.sg_list[0].len = io->scsiio.kern_data_len;
689 do_sg_copy = 0;
690 } else {
692 do_sg_copy = 1;
693 }
694
699 msg.dt.sg_sequence = 0;
700
701 /*
702 * Loop until we've sent all of the S/G entries. On the
703 * other end, we'll recompose these S/G entries into one
704 * contiguous list before processing.
705 */
706 for (sg_entries_sent = 0; sg_entries_sent < msg.dt.kern_sg_entries;
707 msg.dt.sg_sequence++) {
708 msg.dt.cur_sg_entries = MIN((sizeof(msg.dt.sg_list) /
709 sizeof(msg.dt.sg_list[0])),
710 msg.dt.kern_sg_entries - sg_entries_sent);
711 if (do_sg_copy != 0) {
712 sgl = (struct ctl_sg_entry *)io->scsiio.kern_data_ptr;
713 for (i = sg_entries_sent, j = 0;
714 i < msg.dt.cur_sg_entries; i++, j++) {
715#if 0
716 if (io->io_hdr.flags & CTL_FLAG_BUS_ADDR) {
717 msg.dt.sg_list[j].addr = sgl[i].addr;
718 } else {
719 /* XXX KDM use busdma here! */
720 msg.dt.sg_list[j].addr =
721 (void *)vtophys(sgl[i].addr);
722 }
723#else
724 KASSERT((io->io_hdr.flags &
725 CTL_FLAG_BUS_ADDR) == 0,
726 ("HA does not support BUS_ADDR"));
727 msg.dt.sg_list[j].addr = sgl[i].addr;
728#endif
729 msg.dt.sg_list[j].len = sgl[i].len;
730 }
731 }
732
733 sg_entries_sent += msg.dt.cur_sg_entries;
734 msg.dt.sg_last = (sg_entries_sent >= msg.dt.kern_sg_entries);
736 sizeof(msg.dt) - sizeof(msg.dt.sg_list) +
737 sizeof(struct ctl_sg_entry) * msg.dt.cur_sg_entries,
738 M_WAITOK) > CTL_HA_STATUS_SUCCESS) {
739 io->io_hdr.port_status = 31341;
740 ctl_datamove_done(io, true);
741 return;
742 }
743 msg.dt.sent_sg_entries = sg_entries_sent;
744 }
745
746 /*
747 * Officially handover the request from us to peer.
748 * If failover has just happened, then we must return error.
749 * If failover happen just after, then it is not our problem.
750 */
751 if (lun)
752 mtx_lock(&lun->lun_lock);
753 if (io->io_hdr.flags & CTL_FLAG_FAILOVER) {
754 if (lun)
755 mtx_unlock(&lun->lun_lock);
756 io->io_hdr.port_status = 31342;
757 ctl_datamove_done(io, true);
758 return;
759 }
760 io->io_hdr.flags &= ~CTL_FLAG_IO_ACTIVE;
762 if (lun)
763 mtx_unlock(&lun->lun_lock);
764}
765
766static void
768{
769 union ctl_ha_msg msg;
770
771 if (io->io_hdr.io_type == CTL_IO_SCSI) {
772 memset(&msg, 0, sizeof(msg));
775 msg.hdr.nexus = io->io_hdr.nexus;
776 msg.hdr.status = io->io_hdr.status;
778 msg.scsi.tag_num = io->scsiio.tag_num;
779 msg.scsi.tag_type = io->scsiio.tag_type;
780 msg.scsi.sense_len = io->scsiio.sense_len;
781 memcpy(&msg.scsi.sense_data, &io->scsiio.sense_data,
782 io->scsiio.sense_len);
784 sizeof(msg.scsi) - sizeof(msg.scsi.sense_data) +
785 msg.scsi.sense_len, M_WAITOK);
786 }
787 ctl_free_io(io);
788}
789
790static void
792 union ctl_ha_msg *msg_info)
793{
794 struct ctl_scsiio *ctsio;
795
796 if (msg_info->hdr.original_sc == NULL) {
797 printf("%s: original_sc == NULL!\n", __func__);
798 /* XXX KDM now what? */
799 return;
800 }
801
802 ctsio = &msg_info->hdr.original_sc->scsiio;
805 ctsio->io_hdr.status = msg_info->hdr.status;
806 ctsio->scsi_status = msg_info->scsi.scsi_status;
807 ctsio->sense_len = msg_info->scsi.sense_len;
808 memcpy(&ctsio->sense_data, &msg_info->scsi.sense_data,
809 msg_info->scsi.sense_len);
810 ctl_enqueue_isc((union ctl_io *)ctsio);
811}
812
813static void
815 union ctl_ha_msg *msg_info)
816{
817 struct ctl_scsiio *ctsio;
818
819 if (msg_info->hdr.serializing_sc == NULL) {
820 printf("%s: serializing_sc == NULL!\n", __func__);
821 /* XXX KDM now what? */
822 return;
823 }
824
825 ctsio = &msg_info->hdr.serializing_sc->scsiio;
827 ctl_enqueue_isc((union ctl_io *)ctsio);
828}
829
830void
832{
833 struct ctl_softc *softc = lun->ctl_softc;
834 union ctl_ha_msg *msg;
836 int i, k;
837
838 if (softc->ha_link != CTL_HA_LINK_ONLINE)
839 return;
840 mtx_lock(&lun->lun_lock);
841 i = sizeof(msg->lun);
842 if (lun->lun_devid)
843 i += lun->lun_devid->len;
844 i += sizeof(pr_key) * lun->pr_key_count;
845alloc:
846 mtx_unlock(&lun->lun_lock);
847 msg = malloc(i, M_CTL, M_WAITOK);
848 mtx_lock(&lun->lun_lock);
849 k = sizeof(msg->lun);
850 if (lun->lun_devid)
851 k += lun->lun_devid->len;
852 k += sizeof(pr_key) * lun->pr_key_count;
853 if (i < k) {
854 free(msg, M_CTL);
855 i = k;
856 goto alloc;
857 }
858 bzero(&msg->lun, sizeof(msg->lun));
860 msg->hdr.nexus.targ_lun = lun->lun;
861 msg->hdr.nexus.targ_mapped_lun = lun->lun;
862 msg->lun.flags = lun->flags;
863 msg->lun.pr_generation = lun->pr_generation;
864 msg->lun.pr_res_idx = lun->pr_res_idx;
865 msg->lun.pr_res_type = lun->pr_res_type;
866 msg->lun.pr_key_count = lun->pr_key_count;
867 i = 0;
868 if (lun->lun_devid) {
869 msg->lun.lun_devid_len = lun->lun_devid->len;
870 memcpy(&msg->lun.data[i], lun->lun_devid->data,
871 msg->lun.lun_devid_len);
872 i += msg->lun.lun_devid_len;
873 }
874 for (k = 0; k < CTL_MAX_INITIATORS; k++) {
875 if ((pr_key.pr_key = ctl_get_prkey(lun, k)) == 0)
876 continue;
877 pr_key.pr_iid = k;
878 memcpy(&msg->lun.data[i], &pr_key, sizeof(pr_key));
879 i += sizeof(pr_key);
880 }
881 mtx_unlock(&lun->lun_lock);
882 ctl_ha_msg_send(CTL_HA_CHAN_CTL, &msg->lun, sizeof(msg->lun) + i,
883 M_WAITOK);
884 free(msg, M_CTL);
885
886 if (lun->flags & CTL_LUN_PRIMARY_SC) {
887 for (i = 0; i < CTL_NUM_MODE_PAGES; i++) {
888 ctl_isc_announce_mode(lun, -1,
890 lun->mode_pages.index[i].subpage);
891 }
892 }
893}
894
895void
897{
898 struct ctl_softc *softc = port->ctl_softc;
899 union ctl_ha_msg *msg;
900 int i;
901
902 if (port->targ_port < softc->port_min ||
903 port->targ_port >= softc->port_max ||
904 softc->ha_link != CTL_HA_LINK_ONLINE)
905 return;
906 i = sizeof(msg->port) + strlen(port->port_name) + 1;
907 if (port->lun_map)
908 i += port->lun_map_size * sizeof(uint32_t);
909 if (port->port_devid)
910 i += port->port_devid->len;
911 if (port->target_devid)
912 i += port->target_devid->len;
913 if (port->init_devid)
914 i += port->init_devid->len;
915 msg = malloc(i, M_CTL, M_WAITOK);
916 bzero(&msg->port, sizeof(msg->port));
918 msg->hdr.nexus.targ_port = port->targ_port;
922 msg->port.status = port->status;
923 i = 0;
924 msg->port.name_len = sprintf(&msg->port.data[i],
925 "%d:%s", softc->ha_id, port->port_name) + 1;
926 i += msg->port.name_len;
927 if (port->lun_map) {
928 msg->port.lun_map_len = port->lun_map_size * sizeof(uint32_t);
929 memcpy(&msg->port.data[i], port->lun_map,
930 msg->port.lun_map_len);
931 i += msg->port.lun_map_len;
932 }
933 if (port->port_devid) {
934 msg->port.port_devid_len = port->port_devid->len;
935 memcpy(&msg->port.data[i], port->port_devid->data,
936 msg->port.port_devid_len);
937 i += msg->port.port_devid_len;
938 }
939 if (port->target_devid) {
940 msg->port.target_devid_len = port->target_devid->len;
941 memcpy(&msg->port.data[i], port->target_devid->data,
943 i += msg->port.target_devid_len;
944 }
945 if (port->init_devid) {
946 msg->port.init_devid_len = port->init_devid->len;
947 memcpy(&msg->port.data[i], port->init_devid->data,
948 msg->port.init_devid_len);
949 i += msg->port.init_devid_len;
950 }
951 ctl_ha_msg_send(CTL_HA_CHAN_CTL, &msg->port, sizeof(msg->port) + i,
952 M_WAITOK);
953 free(msg, M_CTL);
954}
955
956void
958{
959 struct ctl_softc *softc = port->ctl_softc;
960 union ctl_ha_msg *msg;
961 int i, l;
962
963 if (port->targ_port < softc->port_min ||
964 port->targ_port >= softc->port_max ||
965 softc->ha_link != CTL_HA_LINK_ONLINE)
966 return;
967 mtx_lock(&softc->ctl_lock);
968 i = sizeof(msg->iid);
969 l = 0;
970 if (port->wwpn_iid[iid].name)
971 l = strlen(port->wwpn_iid[iid].name) + 1;
972 i += l;
973 msg = malloc(i, M_CTL, M_NOWAIT);
974 if (msg == NULL) {
975 mtx_unlock(&softc->ctl_lock);
976 return;
977 }
978 bzero(&msg->iid, sizeof(msg->iid));
980 msg->hdr.nexus.targ_port = port->targ_port;
981 msg->hdr.nexus.initid = iid;
982 msg->iid.in_use = port->wwpn_iid[iid].in_use;
983 msg->iid.name_len = l;
984 msg->iid.wwpn = port->wwpn_iid[iid].wwpn;
985 if (port->wwpn_iid[iid].name)
986 strlcpy(msg->iid.data, port->wwpn_iid[iid].name, l);
987 mtx_unlock(&softc->ctl_lock);
988 ctl_ha_msg_send(CTL_HA_CHAN_CTL, &msg->iid, i, M_NOWAIT);
989 free(msg, M_CTL);
990}
991
992void
993ctl_isc_announce_mode(struct ctl_lun *lun, uint32_t initidx,
994 uint8_t page, uint8_t subpage)
995{
996 struct ctl_softc *softc = lun->ctl_softc;
997 union ctl_ha_msg *msg;
998 u_int i, l;
999
1000 if (softc->ha_link != CTL_HA_LINK_ONLINE)
1001 return;
1002 for (i = 0; i < CTL_NUM_MODE_PAGES; i++) {
1003 if ((lun->mode_pages.index[i].page_code & SMPH_PC_MASK) ==
1004 page && lun->mode_pages.index[i].subpage == subpage)
1005 break;
1006 }
1007 if (i == CTL_NUM_MODE_PAGES)
1008 return;
1009
1010 /* Don't try to replicate pages not present on this device. */
1011 if (lun->mode_pages.index[i].page_data == NULL)
1012 return;
1013
1014 l = sizeof(msg->mode) + lun->mode_pages.index[i].page_len;
1015 msg = malloc(l, M_CTL, M_WAITOK | M_ZERO);
1017 msg->hdr.nexus.targ_port = initidx / CTL_MAX_INIT_PER_PORT;
1018 msg->hdr.nexus.initid = initidx % CTL_MAX_INIT_PER_PORT;
1019 msg->hdr.nexus.targ_lun = lun->lun;
1020 msg->hdr.nexus.targ_mapped_lun = lun->lun;
1021 msg->mode.page_code = page;
1022 msg->mode.subpage = subpage;
1023 msg->mode.page_len = lun->mode_pages.index[i].page_len;
1024 memcpy(msg->mode.data, lun->mode_pages.index[i].page_data,
1025 msg->mode.page_len);
1026 ctl_ha_msg_send(CTL_HA_CHAN_CTL, &msg->mode, l, M_WAITOK);
1027 free(msg, M_CTL);
1028}
1029
1030static void
1032{
1033 struct ctl_port *port;
1034 struct ctl_lun *lun;
1035 union ctl_ha_msg msg;
1036 int i;
1037
1038 /* Announce this node parameters to peer for validation. */
1041 msg.login.ha_mode = softc->ha_mode;
1042 msg.login.ha_id = softc->ha_id;
1046 ctl_ha_msg_send(CTL_HA_CHAN_CTL, &msg.login, sizeof(msg.login),
1047 M_WAITOK);
1048
1049 STAILQ_FOREACH(port, &softc->port_list, links) {
1051 for (i = 0; i < CTL_MAX_INIT_PER_PORT; i++) {
1052 if (port->wwpn_iid[i].in_use)
1054 }
1055 }
1056 STAILQ_FOREACH(lun, &softc->lun_list, links)
1058}
1059
1060static void
1062{
1063 struct ctl_port *port;
1064 struct ctl_lun *lun;
1065 union ctl_io *io;
1066 int i;
1067
1068 mtx_lock(&softc->ctl_lock);
1069 STAILQ_FOREACH(lun, &softc->lun_list, links) {
1070 mtx_lock(&lun->lun_lock);
1071 if (lun->flags & CTL_LUN_PEER_SC_PRIMARY) {
1072 lun->flags &= ~CTL_LUN_PEER_SC_PRIMARY;
1074 }
1075 mtx_unlock(&lun->lun_lock);
1076
1077 mtx_unlock(&softc->ctl_lock);
1078 io = ctl_alloc_io(softc->othersc_pool);
1079 mtx_lock(&softc->ctl_lock);
1080 ctl_zero_io(io);
1082 io->io_hdr.nexus.targ_mapped_lun = lun->lun;
1083 ctl_enqueue_isc(io);
1084 }
1085
1086 STAILQ_FOREACH(port, &softc->port_list, links) {
1087 if (port->targ_port >= softc->port_min &&
1088 port->targ_port < softc->port_max)
1089 continue;
1090 port->status &= ~CTL_PORT_STATUS_ONLINE;
1091 for (i = 0; i < CTL_MAX_INIT_PER_PORT; i++) {
1092 port->wwpn_iid[i].in_use = 0;
1093 free(port->wwpn_iid[i].name, M_CTL);
1094 port->wwpn_iid[i].name = NULL;
1095 }
1096 }
1097 mtx_unlock(&softc->ctl_lock);
1098}
1099
1100static void
1101ctl_isc_ua(struct ctl_softc *softc, union ctl_ha_msg *msg, int len)
1102{
1103 struct ctl_lun *lun;
1104 uint32_t iid;
1105
1106 if (len < sizeof(msg->ua)) {
1107 printf("%s: Received truncated message %d < %zu\n",
1108 __func__, len, sizeof(msg->ua));
1110 return;
1111 }
1112
1113 mtx_lock(&softc->ctl_lock);
1114 if (msg->hdr.nexus.targ_mapped_lun >= ctl_max_luns ||
1115 (lun = softc->ctl_luns[msg->hdr.nexus.targ_mapped_lun]) == NULL) {
1116 mtx_unlock(&softc->ctl_lock);
1117 return;
1118 }
1119 mtx_lock(&lun->lun_lock);
1120 mtx_unlock(&softc->ctl_lock);
1121 if (msg->ua.ua_type == CTL_UA_THIN_PROV_THRES && msg->ua.ua_set)
1122 memcpy(lun->ua_tpt_info, msg->ua.ua_info, 8);
1123 iid = ctl_get_initindex(&msg->hdr.nexus);
1124 if (msg->ua.ua_all) {
1125 if (msg->ua.ua_set)
1126 ctl_est_ua_all(lun, iid, msg->ua.ua_type);
1127 else
1128 ctl_clr_ua_all(lun, iid, msg->ua.ua_type);
1129 } else {
1130 if (msg->ua.ua_set)
1131 ctl_est_ua(lun, iid, msg->ua.ua_type);
1132 else
1133 ctl_clr_ua(lun, iid, msg->ua.ua_type);
1134 }
1135 mtx_unlock(&lun->lun_lock);
1136}
1137
1138static void
1139ctl_isc_lun_sync(struct ctl_softc *softc, union ctl_ha_msg *msg, int len)
1140{
1141 struct ctl_lun *lun;
1143 int i, k;
1144 ctl_lun_flags oflags;
1145 uint32_t targ_lun;
1146
1147 if (len < offsetof(struct ctl_ha_msg_lun, data[0])) {
1148 printf("%s: Received truncated message %d < %zu\n",
1149 __func__, len, offsetof(struct ctl_ha_msg_lun, data[0]));
1151 return;
1152 }
1153 i = msg->lun.lun_devid_len + msg->lun.pr_key_count * sizeof(pr_key);
1154 if (len < offsetof(struct ctl_ha_msg_lun, data[i])) {
1155 printf("%s: Received truncated message data %d < %zu\n",
1156 __func__, len, offsetof(struct ctl_ha_msg_lun, data[i]));
1158 return;
1159 }
1160
1161 targ_lun = msg->hdr.nexus.targ_mapped_lun;
1162 mtx_lock(&softc->ctl_lock);
1163 if (targ_lun >= ctl_max_luns ||
1164 (lun = softc->ctl_luns[targ_lun]) == NULL) {
1165 mtx_unlock(&softc->ctl_lock);
1166 return;
1167 }
1168 mtx_lock(&lun->lun_lock);
1169 mtx_unlock(&softc->ctl_lock);
1170 if (lun->flags & CTL_LUN_DISABLED) {
1171 mtx_unlock(&lun->lun_lock);
1172 return;
1173 }
1174 i = (lun->lun_devid != NULL) ? lun->lun_devid->len : 0;
1175 if (msg->lun.lun_devid_len != i || (i > 0 &&
1176 memcmp(&msg->lun.data[0], lun->lun_devid->data, i) != 0)) {
1177 mtx_unlock(&lun->lun_lock);
1178 printf("%s: Received conflicting HA LUN %d\n",
1179 __func__, targ_lun);
1180 return;
1181 } else {
1182 /* Record whether peer is primary. */
1183 oflags = lun->flags;
1184 if ((msg->lun.flags & CTL_LUN_PRIMARY_SC) &&
1185 (msg->lun.flags & CTL_LUN_DISABLED) == 0)
1187 else
1188 lun->flags &= ~CTL_LUN_PEER_SC_PRIMARY;
1189 if (oflags != lun->flags)
1191
1192 /* If peer is primary and we are not -- use data */
1193 if ((lun->flags & CTL_LUN_PRIMARY_SC) == 0 &&
1194 (lun->flags & CTL_LUN_PEER_SC_PRIMARY)) {
1195 lun->pr_generation = msg->lun.pr_generation;
1196 lun->pr_res_idx = msg->lun.pr_res_idx;
1197 lun->pr_res_type = msg->lun.pr_res_type;
1198 lun->pr_key_count = msg->lun.pr_key_count;
1199 for (k = 0; k < CTL_MAX_INITIATORS; k++)
1200 ctl_clr_prkey(lun, k);
1201 for (k = 0; k < msg->lun.pr_key_count; k++) {
1202 memcpy(&pr_key, &msg->lun.data[i],
1203 sizeof(pr_key));
1204 ctl_alloc_prkey(lun, pr_key.pr_iid);
1205 ctl_set_prkey(lun, pr_key.pr_iid,
1206 pr_key.pr_key);
1207 i += sizeof(pr_key);
1208 }
1209 }
1210
1211 mtx_unlock(&lun->lun_lock);
1212 CTL_DEBUG_PRINT(("%s: Known LUN %d, peer is %s\n",
1213 __func__, targ_lun,
1214 (msg->lun.flags & CTL_LUN_PRIMARY_SC) ?
1215 "primary" : "secondary"));
1216
1217 /* If we are primary but peer doesn't know -- notify */
1218 if ((lun->flags & CTL_LUN_PRIMARY_SC) &&
1219 (msg->lun.flags & CTL_LUN_PEER_SC_PRIMARY) == 0)
1221 }
1222}
1223
1224static void
1225ctl_isc_port_sync(struct ctl_softc *softc, union ctl_ha_msg *msg, int len)
1226{
1227 struct ctl_port *port;
1228 struct ctl_lun *lun;
1229 int i, new;
1230
1231 if (len < offsetof(struct ctl_ha_msg_port, data[0])) {
1232 printf("%s: Received truncated message %d < %zu\n",
1233 __func__, len, offsetof(struct ctl_ha_msg_port, data[0]));
1235 return;
1236 }
1237 i = msg->port.name_len + msg->port.lun_map_len +
1239 msg->port.init_devid_len;
1240 if (len < offsetof(struct ctl_ha_msg_port, data[i])) {
1241 printf("%s: Received truncated message data %d < %zu\n",
1242 __func__, len, offsetof(struct ctl_ha_msg_port, data[i]));
1244 return;
1245 }
1246
1247 port = softc->ctl_ports[msg->hdr.nexus.targ_port];
1248 if (port == NULL) {
1249 CTL_DEBUG_PRINT(("%s: New port %d\n", __func__,
1250 msg->hdr.nexus.targ_port));
1251 new = 1;
1252 port = malloc(sizeof(*port), M_CTL, M_WAITOK | M_ZERO);
1253 port->frontend = &ha_frontend;
1254 port->targ_port = msg->hdr.nexus.targ_port;
1256 port->fe_done = ctl_ha_done;
1257 } else if (port->frontend == &ha_frontend) {
1258 CTL_DEBUG_PRINT(("%s: Updated port %d\n", __func__,
1259 msg->hdr.nexus.targ_port));
1260 new = 0;
1261 } else {
1262 printf("%s: Received conflicting HA port %d\n",
1263 __func__, msg->hdr.nexus.targ_port);
1264 return;
1265 }
1266 port->port_type = msg->port.port_type;
1267 port->physical_port = msg->port.physical_port;
1268 port->virtual_port = msg->port.virtual_port;
1269 port->status = msg->port.status;
1270 i = 0;
1271 free(port->port_name, M_CTL);
1272 port->port_name = strndup(&msg->port.data[i], msg->port.name_len,
1273 M_CTL);
1274 i += msg->port.name_len;
1275 if (msg->port.lun_map_len != 0) {
1276 if (port->lun_map == NULL ||
1277 port->lun_map_size * sizeof(uint32_t) <
1278 msg->port.lun_map_len) {
1279 port->lun_map_size = 0;
1280 free(port->lun_map, M_CTL);
1281 port->lun_map = malloc(msg->port.lun_map_len,
1282 M_CTL, M_WAITOK);
1283 }
1284 memcpy(port->lun_map, &msg->port.data[i], msg->port.lun_map_len);
1285 port->lun_map_size = msg->port.lun_map_len / sizeof(uint32_t);
1286 i += msg->port.lun_map_len;
1287 } else {
1288 port->lun_map_size = 0;
1289 free(port->lun_map, M_CTL);
1290 port->lun_map = NULL;
1291 }
1292 if (msg->port.port_devid_len != 0) {
1293 if (port->port_devid == NULL ||
1294 port->port_devid->len < msg->port.port_devid_len) {
1295 free(port->port_devid, M_CTL);
1296 port->port_devid = malloc(sizeof(struct ctl_devid) +
1297 msg->port.port_devid_len, M_CTL, M_WAITOK);
1298 }
1299 memcpy(port->port_devid->data, &msg->port.data[i],
1300 msg->port.port_devid_len);
1301 port->port_devid->len = msg->port.port_devid_len;
1302 i += msg->port.port_devid_len;
1303 } else {
1304 free(port->port_devid, M_CTL);
1305 port->port_devid = NULL;
1306 }
1307 if (msg->port.target_devid_len != 0) {
1308 if (port->target_devid == NULL ||
1309 port->target_devid->len < msg->port.target_devid_len) {
1310 free(port->target_devid, M_CTL);
1311 port->target_devid = malloc(sizeof(struct ctl_devid) +
1312 msg->port.target_devid_len, M_CTL, M_WAITOK);
1313 }
1314 memcpy(port->target_devid->data, &msg->port.data[i],
1315 msg->port.target_devid_len);
1316 port->target_devid->len = msg->port.target_devid_len;
1317 i += msg->port.target_devid_len;
1318 } else {
1319 free(port->target_devid, M_CTL);
1320 port->target_devid = NULL;
1321 }
1322 if (msg->port.init_devid_len != 0) {
1323 if (port->init_devid == NULL ||
1324 port->init_devid->len < msg->port.init_devid_len) {
1325 free(port->init_devid, M_CTL);
1326 port->init_devid = malloc(sizeof(struct ctl_devid) +
1327 msg->port.init_devid_len, M_CTL, M_WAITOK);
1328 }
1329 memcpy(port->init_devid->data, &msg->port.data[i],
1330 msg->port.init_devid_len);
1331 port->init_devid->len = msg->port.init_devid_len;
1332 i += msg->port.init_devid_len;
1333 } else {
1334 free(port->init_devid, M_CTL);
1335 port->init_devid = NULL;
1336 }
1337 if (new) {
1338 if (ctl_port_register(port) != 0) {
1339 printf("%s: ctl_port_register() failed with error\n",
1340 __func__);
1341 }
1342 }
1343 mtx_lock(&softc->ctl_lock);
1344 STAILQ_FOREACH(lun, &softc->lun_list, links) {
1345 if (ctl_lun_map_to_port(port, lun->lun) == UINT32_MAX)
1346 continue;
1347 mtx_lock(&lun->lun_lock);
1349 mtx_unlock(&lun->lun_lock);
1350 }
1351 mtx_unlock(&softc->ctl_lock);
1352}
1353
1354static void
1355ctl_isc_iid_sync(struct ctl_softc *softc, union ctl_ha_msg *msg, int len)
1356{
1357 struct ctl_port *port;
1358 int i, iid;
1359
1360 if (len < offsetof(struct ctl_ha_msg_iid, data[0])) {
1361 printf("%s: Received truncated message %d < %zu\n",
1362 __func__, len, offsetof(struct ctl_ha_msg_iid, data[0]));
1364 return;
1365 }
1366 i = msg->iid.name_len;
1367 if (len < offsetof(struct ctl_ha_msg_iid, data[i])) {
1368 printf("%s: Received truncated message data %d < %zu\n",
1369 __func__, len, offsetof(struct ctl_ha_msg_iid, data[i]));
1371 return;
1372 }
1373
1374 port = softc->ctl_ports[msg->hdr.nexus.targ_port];
1375 if (port == NULL) {
1376 printf("%s: Received IID for unknown port %d\n",
1377 __func__, msg->hdr.nexus.targ_port);
1378 return;
1379 }
1380 iid = msg->hdr.nexus.initid;
1381 if (port->wwpn_iid[iid].in_use != 0 &&
1382 msg->iid.in_use == 0)
1384 port->wwpn_iid[iid].in_use = msg->iid.in_use;
1385 port->wwpn_iid[iid].wwpn = msg->iid.wwpn;
1386 free(port->wwpn_iid[iid].name, M_CTL);
1387 if (msg->iid.name_len) {
1388 port->wwpn_iid[iid].name = strndup(&msg->iid.data[0],
1389 msg->iid.name_len, M_CTL);
1390 } else
1391 port->wwpn_iid[iid].name = NULL;
1392}
1393
1394static void
1395ctl_isc_login(struct ctl_softc *softc, union ctl_ha_msg *msg, int len)
1396{
1397
1398 if (len < sizeof(msg->login)) {
1399 printf("%s: Received truncated message %d < %zu\n",
1400 __func__, len, sizeof(msg->login));
1402 return;
1403 }
1404
1405 if (msg->login.version != CTL_HA_VERSION) {
1406 printf("CTL HA peers have different versions %d != %d\n",
1409 return;
1410 }
1411 if (msg->login.ha_mode != softc->ha_mode) {
1412 printf("CTL HA peers have different ha_mode %d != %d\n",
1413 msg->login.ha_mode, softc->ha_mode);
1415 return;
1416 }
1417 if (msg->login.ha_id == softc->ha_id) {
1418 printf("CTL HA peers have same ha_id %d\n", msg->login.ha_id);
1420 return;
1421 }
1422 if (msg->login.max_luns != ctl_max_luns ||
1423 msg->login.max_ports != ctl_max_ports ||
1425 printf("CTL HA peers have different limits\n");
1427 return;
1428 }
1429}
1430
1431static void
1432ctl_isc_mode_sync(struct ctl_softc *softc, union ctl_ha_msg *msg, int len)
1433{
1434 struct ctl_lun *lun;
1435 u_int i;
1436 uint32_t initidx, targ_lun;
1437
1438 if (len < offsetof(struct ctl_ha_msg_mode, data[0])) {
1439 printf("%s: Received truncated message %d < %zu\n",
1440 __func__, len, offsetof(struct ctl_ha_msg_mode, data[0]));
1442 return;
1443 }
1444 i = msg->mode.page_len;
1445 if (len < offsetof(struct ctl_ha_msg_mode, data[i])) {
1446 printf("%s: Received truncated message data %d < %zu\n",
1447 __func__, len, offsetof(struct ctl_ha_msg_mode, data[i]));
1449 return;
1450 }
1451
1452 targ_lun = msg->hdr.nexus.targ_mapped_lun;
1453 mtx_lock(&softc->ctl_lock);
1454 if (targ_lun >= ctl_max_luns ||
1455 (lun = softc->ctl_luns[targ_lun]) == NULL) {
1456 mtx_unlock(&softc->ctl_lock);
1457 return;
1458 }
1459 mtx_lock(&lun->lun_lock);
1460 mtx_unlock(&softc->ctl_lock);
1461 if (lun->flags & CTL_LUN_DISABLED) {
1462 mtx_unlock(&lun->lun_lock);
1463 return;
1464 }
1465 for (i = 0; i < CTL_NUM_MODE_PAGES; i++) {
1466 if ((lun->mode_pages.index[i].page_code & SMPH_PC_MASK) ==
1467 msg->mode.page_code &&
1468 lun->mode_pages.index[i].subpage == msg->mode.subpage)
1469 break;
1470 }
1471 if (i == CTL_NUM_MODE_PAGES) {
1472 mtx_unlock(&lun->lun_lock);
1473 return;
1474 }
1475 memcpy(lun->mode_pages.index[i].page_data, msg->mode.data,
1476 min(lun->mode_pages.index[i].page_len, msg->mode.page_len));
1477 initidx = ctl_get_initindex(&msg->hdr.nexus);
1478 if (initidx != -1)
1480 mtx_unlock(&lun->lun_lock);
1481}
1482
1483/*
1484 * ISC (Inter Shelf Communication) event handler. Events from the HA
1485 * subsystem come in here.
1486 */
1487static void
1489{
1490 struct ctl_softc *softc = control_softc;
1491 union ctl_io *io;
1492 struct ctl_prio *presio;
1493 ctl_ha_status isc_status;
1494
1495 CTL_DEBUG_PRINT(("CTL: Isc Msg event %d\n", event));
1496 if (event == CTL_HA_EVT_MSG_RECV) {
1497 union ctl_ha_msg *msg, msgbuf;
1498
1499 if (param > sizeof(msgbuf))
1500 msg = malloc(param, M_CTL, M_WAITOK);
1501 else
1502 msg = &msgbuf;
1503 isc_status = ctl_ha_msg_recv(CTL_HA_CHAN_CTL, msg, param,
1504 M_WAITOK);
1505 if (isc_status != CTL_HA_STATUS_SUCCESS) {
1506 printf("%s: Error receiving message: %d\n",
1507 __func__, isc_status);
1508 if (msg != &msgbuf)
1509 free(msg, M_CTL);
1510 return;
1511 }
1512
1513 CTL_DEBUG_PRINT(("CTL: msg_type %d len %d\n",
1514 msg->hdr.msg_type, param));
1515 switch (msg->hdr.msg_type) {
1516 case CTL_MSG_SERIALIZE:
1517 io = ctl_alloc_io(softc->othersc_pool);
1518 ctl_zero_io(io);
1519 // populate ctsio from msg
1522 io->io_hdr.remote_io = msg->hdr.original_sc;
1525 /*
1526 * If we're in serialization-only mode, we don't
1527 * want to go through full done processing. Thus
1528 * the COPY flag.
1529 *
1530 * XXX KDM add another flag that is more specific.
1531 */
1532 if (softc->ha_mode != CTL_HA_MODE_XFER)
1534 io->io_hdr.nexus = msg->hdr.nexus;
1535 io->scsiio.priority = msg->scsi.priority;
1536 io->scsiio.tag_num = msg->scsi.tag_num;
1537 io->scsiio.tag_type = msg->scsi.tag_type;
1538#ifdef CTL_TIME_IO
1539 io->io_hdr.start_time = time_uptime;
1540 getbinuptime(&io->io_hdr.start_bt);
1541#endif /* CTL_TIME_IO */
1542 io->scsiio.cdb_len = msg->scsi.cdb_len;
1543 memcpy(io->scsiio.cdb, msg->scsi.cdb,
1545 if (softc->ha_mode == CTL_HA_MODE_XFER) {
1546 const struct ctl_cmd_entry *entry;
1547
1548 entry = ctl_get_cmd_entry(&io->scsiio, NULL);
1549 io->io_hdr.flags &= ~CTL_FLAG_DATA_MASK;
1550 io->io_hdr.flags |=
1551 entry->flags & CTL_FLAG_DATA_MASK;
1552 }
1553 ctl_enqueue_isc(io);
1554 break;
1555
1556 /* Performed on the Originating SC, XFER mode only */
1557 case CTL_MSG_DATAMOVE: {
1558 struct ctl_sg_entry *sgl;
1559 int i, j;
1560
1561 io = msg->hdr.original_sc;
1562 if (io == NULL) {
1563 printf("%s: original_sc == NULL!\n", __func__);
1564 /* XXX KDM do something here */
1565 break;
1566 }
1569 /*
1570 * Keep track of this, we need to send it back over
1571 * when the datamove is complete.
1572 */
1574 if (msg->hdr.status == CTL_SUCCESS)
1575 io->io_hdr.status = msg->hdr.status;
1576
1577 if (msg->dt.sg_sequence == 0) {
1578#ifdef CTL_TIME_IO
1579 getbinuptime(&io->io_hdr.dma_start_bt);
1580#endif
1581 i = msg->dt.kern_sg_entries +
1582 msg->dt.kern_data_len /
1584 sgl = malloc(sizeof(*sgl) * i, M_CTL,
1585 M_WAITOK | M_ZERO);
1586 CTL_RSGL(io) = sgl;
1587 CTL_LSGL(io) = &sgl[msg->dt.kern_sg_entries];
1588
1589 io->scsiio.kern_data_ptr = (uint8_t *)sgl;
1590
1592 msg->dt.kern_sg_entries;
1594 msg->dt.kern_sg_entries;
1595 io->scsiio.kern_data_len =
1596 msg->dt.kern_data_len;
1598 msg->dt.kern_total_len;
1600 msg->dt.kern_data_resid;
1602 msg->dt.kern_rel_offset;
1603 io->io_hdr.flags &= ~CTL_FLAG_BUS_ADDR;
1604 io->io_hdr.flags |= msg->dt.flags &
1606 } else
1607 sgl = (struct ctl_sg_entry *)
1609
1610 for (i = msg->dt.sent_sg_entries, j = 0;
1611 i < (msg->dt.sent_sg_entries +
1612 msg->dt.cur_sg_entries); i++, j++) {
1613 sgl[i].addr = msg->dt.sg_list[j].addr;
1614 sgl[i].len = msg->dt.sg_list[j].len;
1615 }
1616
1617 /*
1618 * If this is the last piece of the I/O, we've got
1619 * the full S/G list. Queue processing in the thread.
1620 * Otherwise wait for the next piece.
1621 */
1622 if (msg->dt.sg_last != 0)
1623 ctl_enqueue_isc(io);
1624 break;
1625 }
1626 /* Performed on the Serializing (primary) SC, XFER mode only */
1627 case CTL_MSG_DATAMOVE_DONE: {
1628 if (msg->hdr.serializing_sc == NULL) {
1629 printf("%s: serializing_sc == NULL!\n",
1630 __func__);
1631 /* XXX KDM now what? */
1632 break;
1633 }
1634 /*
1635 * We grab the sense information here in case
1636 * there was a failure, so we can return status
1637 * back to the initiator.
1638 */
1639 io = msg->hdr.serializing_sc;
1641 io->io_hdr.flags &= ~CTL_FLAG_DMA_INPROG;
1645 if (msg->hdr.status != CTL_STATUS_NONE) {
1646 io->io_hdr.status = msg->hdr.status;
1648 io->scsiio.sense_len = msg->scsi.sense_len;
1649 memcpy(&io->scsiio.sense_data,
1650 &msg->scsi.sense_data,
1651 msg->scsi.sense_len);
1652 if (msg->hdr.status == CTL_SUCCESS)
1654 }
1655 ctl_enqueue_isc(io);
1656 break;
1657 }
1658
1659 /* Preformed on Originating SC, SER_ONLY mode */
1660 case CTL_MSG_R2R:
1661 io = msg->hdr.original_sc;
1662 if (io == NULL) {
1663 printf("%s: original_sc == NULL!\n",
1664 __func__);
1665 break;
1666 }
1670 ctl_enqueue_isc(io);
1671 break;
1672
1673 /*
1674 * Performed on Serializing(i.e. primary SC) SC in SER_ONLY
1675 * mode.
1676 * Performed on the Originating (i.e. secondary) SC in XFER
1677 * mode
1678 */
1679 case CTL_MSG_FINISH_IO:
1680 if (softc->ha_mode == CTL_HA_MODE_XFER)
1681 ctl_isc_handler_finish_xfer(softc, msg);
1682 else
1684 break;
1685
1686 /* Preformed on Originating SC */
1687 case CTL_MSG_BAD_JUJU:
1688 io = msg->hdr.original_sc;
1689 if (io == NULL) {
1690 printf("%s: Bad JUJU!, original_sc is NULL!\n",
1691 __func__);
1692 break;
1693 }
1694 ctl_copy_sense_data(msg, io);
1695 /*
1696 * IO should have already been cleaned up on other
1697 * SC so clear this flag so we won't send a message
1698 * back to finish the IO there.
1699 */
1700 io->io_hdr.flags &= ~CTL_FLAG_SENT_2OTHER_SC;
1702
1703 /* io = msg->hdr.serializing_sc; */
1705 ctl_enqueue_isc(io);
1706 break;
1707
1708 /* Handle resets sent from the other side */
1709 case CTL_MSG_MANAGE_TASKS: {
1710 struct ctl_taskio *taskio;
1711 taskio = (struct ctl_taskio *)ctl_alloc_io(
1712 softc->othersc_pool);
1713 ctl_zero_io((union ctl_io *)taskio);
1714 taskio->io_hdr.io_type = CTL_IO_TASK;
1716 taskio->io_hdr.nexus = msg->hdr.nexus;
1717 taskio->task_action = msg->task.task_action;
1718 taskio->tag_num = msg->task.tag_num;
1719 taskio->tag_type = msg->task.tag_type;
1720#ifdef CTL_TIME_IO
1721 taskio->io_hdr.start_time = time_uptime;
1722 getbinuptime(&taskio->io_hdr.start_bt);
1723#endif /* CTL_TIME_IO */
1724 ctl_run_task((union ctl_io *)taskio);
1725 break;
1726 }
1727 /* Persistent Reserve action which needs attention */
1729 presio = (struct ctl_prio *)ctl_alloc_io(
1730 softc->othersc_pool);
1731 ctl_zero_io((union ctl_io *)presio);
1734 presio->io_hdr.nexus = msg->hdr.nexus;
1735 presio->pr_msg = msg->pr;
1736 ctl_enqueue_isc((union ctl_io *)presio);
1737 break;
1738 case CTL_MSG_UA:
1739 ctl_isc_ua(softc, msg, param);
1740 break;
1741 case CTL_MSG_PORT_SYNC:
1742 ctl_isc_port_sync(softc, msg, param);
1743 break;
1744 case CTL_MSG_LUN_SYNC:
1745 ctl_isc_lun_sync(softc, msg, param);
1746 break;
1747 case CTL_MSG_IID_SYNC:
1748 ctl_isc_iid_sync(softc, msg, param);
1749 break;
1750 case CTL_MSG_LOGIN:
1751 ctl_isc_login(softc, msg, param);
1752 break;
1753 case CTL_MSG_MODE_SYNC:
1754 ctl_isc_mode_sync(softc, msg, param);
1755 break;
1756 default:
1757 printf("Received HA message of unknown type %d\n",
1758 msg->hdr.msg_type);
1760 break;
1761 }
1762 if (msg != &msgbuf)
1763 free(msg, M_CTL);
1764 } else if (event == CTL_HA_EVT_LINK_CHANGE) {
1765 printf("CTL: HA link status changed from %d to %d\n",
1766 softc->ha_link, param);
1767 if (param == softc->ha_link)
1768 return;
1769 if (softc->ha_link == CTL_HA_LINK_ONLINE) {
1770 softc->ha_link = param;
1771 ctl_isc_ha_link_down(softc);
1772 } else {
1773 softc->ha_link = param;
1774 if (softc->ha_link == CTL_HA_LINK_ONLINE)
1775 ctl_isc_ha_link_up(softc);
1776 }
1777 return;
1778 } else {
1779 printf("ctl_isc_event_handler: Unknown event %d\n", event);
1780 return;
1781 }
1782}
1783
1784static void
1785ctl_copy_sense_data(union ctl_ha_msg *src, union ctl_io *dest)
1786{
1787
1788 memcpy(&dest->scsiio.sense_data, &src->scsi.sense_data,
1789 src->scsi.sense_len);
1790 dest->scsiio.scsi_status = src->scsi.scsi_status;
1791 dest->scsiio.sense_len = src->scsi.sense_len;
1792 dest->io_hdr.status = src->hdr.status;
1793}
1794
1795static void
1797{
1798
1799 memcpy(&dest->scsi.sense_data, &src->scsiio.sense_data,
1800 src->scsiio.sense_len);
1801 dest->scsi.scsi_status = src->scsiio.scsi_status;
1802 dest->scsi.sense_len = src->scsiio.sense_len;
1803 dest->hdr.status = src->io_hdr.status;
1804}
1805
1806void
1807ctl_est_ua(struct ctl_lun *lun, uint32_t initidx, ctl_ua_type ua)
1808{
1809 struct ctl_softc *softc = lun->ctl_softc;
1810 ctl_ua_type *pu;
1811
1812 if (initidx < softc->init_min || initidx >= softc->init_max)
1813 return;
1814 mtx_assert(&lun->lun_lock, MA_OWNED);
1815 pu = lun->pending_ua[initidx / CTL_MAX_INIT_PER_PORT];
1816 if (pu == NULL)
1817 return;
1818 pu[initidx % CTL_MAX_INIT_PER_PORT] |= ua;
1819}
1820
1821void
1822ctl_est_ua_port(struct ctl_lun *lun, int port, uint32_t except, ctl_ua_type ua)
1823{
1824 int i;
1825
1826 mtx_assert(&lun->lun_lock, MA_OWNED);
1827 if (lun->pending_ua[port] == NULL)
1828 return;
1829 for (i = 0; i < CTL_MAX_INIT_PER_PORT; i++) {
1830 if (port * CTL_MAX_INIT_PER_PORT + i == except)
1831 continue;
1832 lun->pending_ua[port][i] |= ua;
1833 }
1834}
1835
1836void
1837ctl_est_ua_all(struct ctl_lun *lun, uint32_t except, ctl_ua_type ua)
1838{
1839 struct ctl_softc *softc = lun->ctl_softc;
1840 int i;
1841
1842 mtx_assert(&lun->lun_lock, MA_OWNED);
1843 for (i = softc->port_min; i < softc->port_max; i++)
1844 ctl_est_ua_port(lun, i, except, ua);
1845}
1846
1847void
1848ctl_clr_ua(struct ctl_lun *lun, uint32_t initidx, ctl_ua_type ua)
1849{
1850 struct ctl_softc *softc = lun->ctl_softc;
1851 ctl_ua_type *pu;
1852
1853 if (initidx < softc->init_min || initidx >= softc->init_max)
1854 return;
1855 mtx_assert(&lun->lun_lock, MA_OWNED);
1856 pu = lun->pending_ua[initidx / CTL_MAX_INIT_PER_PORT];
1857 if (pu == NULL)
1858 return;
1859 pu[initidx % CTL_MAX_INIT_PER_PORT] &= ~ua;
1860}
1861
1862void
1863ctl_clr_ua_all(struct ctl_lun *lun, uint32_t except, ctl_ua_type ua)
1864{
1865 struct ctl_softc *softc = lun->ctl_softc;
1866 int i, j;
1867
1868 mtx_assert(&lun->lun_lock, MA_OWNED);
1869 for (i = softc->port_min; i < softc->port_max; i++) {
1870 if (lun->pending_ua[i] == NULL)
1871 continue;
1872 for (j = 0; j < CTL_MAX_INIT_PER_PORT; j++) {
1873 if (i * CTL_MAX_INIT_PER_PORT + j == except)
1874 continue;
1875 lun->pending_ua[i][j] &= ~ua;
1876 }
1877 }
1878}
1879
1880void
1881ctl_clr_ua_allluns(struct ctl_softc *ctl_softc, uint32_t initidx,
1882 ctl_ua_type ua_type)
1883{
1884 struct ctl_lun *lun;
1885
1886 mtx_assert(&ctl_softc->ctl_lock, MA_OWNED);
1887 STAILQ_FOREACH(lun, &ctl_softc->lun_list, links) {
1888 mtx_lock(&lun->lun_lock);
1889 ctl_clr_ua(lun, initidx, ua_type);
1890 mtx_unlock(&lun->lun_lock);
1891 }
1892}
1893
1894static int
1895ctl_ha_role_sysctl(SYSCTL_HANDLER_ARGS)
1896{
1897 struct ctl_softc *softc = (struct ctl_softc *)arg1;
1898 struct ctl_lun *lun;
1899 struct ctl_lun_req ireq;
1900 int error, value;
1901
1902 value = (softc->flags & CTL_FLAG_ACTIVE_SHELF) ? 0 : 1;
1903 error = sysctl_handle_int(oidp, &value, 0, req);
1904 if ((error != 0) || (req->newptr == NULL))
1905 return (error);
1906
1907 mtx_lock(&softc->ctl_lock);
1908 if (value == 0)
1909 softc->flags |= CTL_FLAG_ACTIVE_SHELF;
1910 else
1911 softc->flags &= ~CTL_FLAG_ACTIVE_SHELF;
1912 STAILQ_FOREACH(lun, &softc->lun_list, links) {
1913 mtx_unlock(&softc->ctl_lock);
1914 bzero(&ireq, sizeof(ireq));
1916 ireq.reqdata.modify.lun_id = lun->lun;
1917 lun->backend->ioctl(NULL, CTL_LUN_REQ, (caddr_t)&ireq, 0,
1918 curthread);
1919 if (ireq.status != CTL_LUN_OK) {
1920 printf("%s: CTL_LUNREQ_MODIFY returned %d '%s'\n",
1921 __func__, ireq.status, ireq.error_str);
1922 }
1923 mtx_lock(&softc->ctl_lock);
1924 }
1925 mtx_unlock(&softc->ctl_lock);
1926 return (0);
1927}
1928
1929static int
1931{
1932 struct make_dev_args args;
1933 struct ctl_softc *softc;
1934 int i, error;
1935
1936 softc = control_softc = malloc(sizeof(*control_softc), M_DEVBUF,
1937 M_WAITOK | M_ZERO);
1938
1939 make_dev_args_init(&args);
1940 args.mda_devsw = &ctl_cdevsw;
1941 args.mda_uid = UID_ROOT;
1942 args.mda_gid = GID_OPERATOR;
1943 args.mda_mode = 0600;
1944 args.mda_si_drv1 = softc;
1945 args.mda_si_drv2 = NULL;
1946 error = make_dev_s(&args, &softc->dev, "cam/ctl");
1947 if (error != 0) {
1948 free(softc, M_DEVBUF);
1949 control_softc = NULL;
1950 return (error);
1951 }
1952
1953 sysctl_ctx_init(&softc->sysctl_ctx);
1954 softc->sysctl_tree = SYSCTL_ADD_NODE(&softc->sysctl_ctx,
1955 SYSCTL_STATIC_CHILDREN(_kern_cam), OID_AUTO, "ctl",
1956 CTLFLAG_RD | CTLFLAG_MPSAFE, 0, "CAM Target Layer");
1957
1958 if (softc->sysctl_tree == NULL) {
1959 printf("%s: unable to allocate sysctl tree\n", __func__);
1960 destroy_dev(softc->dev);
1961 free(softc, M_DEVBUF);
1962 control_softc = NULL;
1963 return (ENOMEM);
1964 }
1965
1966 mtx_init(&softc->ctl_lock, "CTL mutex", NULL, MTX_DEF);
1967 softc->io_zone = uma_zcreate("CTL IO", sizeof(union ctl_io),
1968 NULL, NULL, NULL, NULL, UMA_ALIGN_PTR, 0);
1969 softc->flags = 0;
1970
1971 SYSCTL_ADD_INT(&softc->sysctl_ctx, SYSCTL_CHILDREN(softc->sysctl_tree),
1972 OID_AUTO, "ha_mode", CTLFLAG_RDTUN, (int *)&softc->ha_mode, 0,
1973 "HA mode (0 - act/stby, 1 - serialize only, 2 - xfer)");
1974
1975 if (ctl_max_luns <= 0 || powerof2(ctl_max_luns) == 0) {
1976 printf("Bad value %d for kern.cam.ctl.max_luns, must be a power of two, using %d\n",
1979 }
1980 softc->ctl_luns = malloc(sizeof(struct ctl_lun *) * ctl_max_luns,
1981 M_DEVBUF, M_WAITOK | M_ZERO);
1982 softc->ctl_lun_mask = malloc(sizeof(uint32_t) *
1983 ((ctl_max_luns + 31) / 32), M_DEVBUF, M_WAITOK | M_ZERO);
1984 if (ctl_max_ports <= 0 || powerof2(ctl_max_ports) == 0) {
1985 printf("Bad value %d for kern.cam.ctl.max_ports, must be a power of two, using %d\n",
1988 }
1989 softc->ctl_port_mask = malloc(sizeof(uint32_t) *
1990 ((ctl_max_ports + 31) / 32), M_DEVBUF, M_WAITOK | M_ZERO);
1991 softc->ctl_ports = malloc(sizeof(struct ctl_port *) * ctl_max_ports,
1992 M_DEVBUF, M_WAITOK | M_ZERO);
1993
1994 /*
1995 * In Copan's HA scheme, the "master" and "slave" roles are
1996 * figured out through the slot the controller is in. Although it
1997 * is an active/active system, someone has to be in charge.
1998 */
1999 SYSCTL_ADD_INT(&softc->sysctl_ctx, SYSCTL_CHILDREN(softc->sysctl_tree),
2000 OID_AUTO, "ha_id", CTLFLAG_RDTUN, &softc->ha_id, 0,
2001 "HA head ID (0 - no HA)");
2002 if (softc->ha_id == 0 || softc->ha_id > NUM_HA_SHELVES) {
2003 softc->flags |= CTL_FLAG_ACTIVE_SHELF;
2004 softc->is_single = 1;
2005 softc->port_cnt = ctl_max_ports;
2006 softc->port_min = 0;
2007 } else {
2009 softc->port_min = (softc->ha_id - 1) * softc->port_cnt;
2010 }
2011 softc->port_max = softc->port_min + softc->port_cnt;
2012 softc->init_min = softc->port_min * CTL_MAX_INIT_PER_PORT;
2013 softc->init_max = softc->port_max * CTL_MAX_INIT_PER_PORT;
2014
2015 SYSCTL_ADD_INT(&softc->sysctl_ctx, SYSCTL_CHILDREN(softc->sysctl_tree),
2016 OID_AUTO, "ha_link", CTLFLAG_RD, (int *)&softc->ha_link, 0,
2017 "HA link state (0 - offline, 1 - unknown, 2 - online)");
2018
2019 STAILQ_INIT(&softc->lun_list);
2020 STAILQ_INIT(&softc->fe_list);
2021 STAILQ_INIT(&softc->port_list);
2022 STAILQ_INIT(&softc->be_list);
2023 ctl_tpc_init(softc);
2024
2025 if (worker_threads <= 0)
2026 worker_threads = max(1, mp_ncpus / 4);
2029
2030 for (i = 0; i < worker_threads; i++) {
2031 struct ctl_thread *thr = &softc->threads[i];
2032
2033 mtx_init(&thr->queue_lock, "CTL queue mutex", NULL, MTX_DEF);
2034 thr->ctl_softc = softc;
2035 STAILQ_INIT(&thr->incoming_queue);
2036 STAILQ_INIT(&thr->rtr_queue);
2037 STAILQ_INIT(&thr->done_queue);
2038 STAILQ_INIT(&thr->isc_queue);
2039
2040 error = kproc_kthread_add(ctl_work_thread, thr,
2041 &softc->ctl_proc, &thr->thread, 0, 0, "ctl", "work%d", i);
2042 if (error != 0) {
2043 printf("error creating CTL work thread!\n");
2044 return (error);
2045 }
2046 }
2047 error = kproc_kthread_add(ctl_thresh_thread, softc,
2048 &softc->ctl_proc, &softc->thresh_thread, 0, 0, "ctl", "thresh");
2049 if (error != 0) {
2050 printf("error creating CTL threshold thread!\n");
2051 return (error);
2052 }
2053
2054 SYSCTL_ADD_PROC(&softc->sysctl_ctx,SYSCTL_CHILDREN(softc->sysctl_tree),
2055 OID_AUTO, "ha_role",
2056 CTLTYPE_INT | CTLFLAG_RWTUN | CTLFLAG_MPSAFE,
2057 softc, 0, ctl_ha_role_sysctl, "I", "HA role for this head");
2058
2059 if (softc->is_single == 0) {
2061 softc->is_single = 1;
2062 }
2063 return (0);
2064}
2065
2066static int
2068{
2069 struct ctl_softc *softc = control_softc;
2070 int i;
2071
2072 if (softc->is_single == 0)
2074
2075 destroy_dev(softc->dev);
2076
2077 /* Shutdown CTL threads. */
2078 softc->shutdown = 1;
2079 for (i = 0; i < worker_threads; i++) {
2080 struct ctl_thread *thr = &softc->threads[i];
2081 while (thr->thread != NULL) {
2082 wakeup(thr);
2083 if (thr->thread != NULL)
2084 pause("CTL thr shutdown", 1);
2085 }
2086 mtx_destroy(&thr->queue_lock);
2087 }
2088 while (softc->thresh_thread != NULL) {
2089 wakeup(softc->thresh_thread);
2090 if (softc->thresh_thread != NULL)
2091 pause("CTL thr shutdown", 1);
2092 }
2093
2094 ctl_tpc_shutdown(softc);
2095 uma_zdestroy(softc->io_zone);
2096 mtx_destroy(&softc->ctl_lock);
2097
2098 free(softc->ctl_luns, M_DEVBUF);
2099 free(softc->ctl_lun_mask, M_DEVBUF);
2100 free(softc->ctl_port_mask, M_DEVBUF);
2101 free(softc->ctl_ports, M_DEVBUF);
2102
2103 sysctl_ctx_free(&softc->sysctl_ctx);
2104
2105 free(softc, M_DEVBUF);
2106 control_softc = NULL;
2107 return (0);
2108}
2109
2110static int
2111ctl_module_event_handler(module_t mod, int what, void *arg)
2112{
2113
2114 switch (what) {
2115 case MOD_LOAD:
2116 return (ctl_init());
2117 case MOD_UNLOAD:
2118 return (ctl_shutdown());
2119 default:
2120 return (EOPNOTSUPP);
2121 }
2122}
2123
2124/*
2125 * XXX KDM should we do some access checks here? Bump a reference count to
2126 * prevent a CTL module from being unloaded while someone has it open?
2127 */
2128static int
2129ctl_open(struct cdev *dev, int flags, int fmt, struct thread *td)
2130{
2131 return (0);
2132}
2133
2134static int
2135ctl_close(struct cdev *dev, int flags, int fmt, struct thread *td)
2136{
2137 return (0);
2138}
2139
2140/*
2141 * Remove an initiator by port number and initiator ID.
2142 * Returns 0 for success, -1 for failure.
2143 */
2144int
2145ctl_remove_initiator(struct ctl_port *port, int iid)
2146{
2147 struct ctl_softc *softc = port->ctl_softc;
2148 int last;
2149
2150 mtx_assert(&softc->ctl_lock, MA_NOTOWNED);
2151
2152 if (iid > CTL_MAX_INIT_PER_PORT) {
2153 printf("%s: initiator ID %u > maximun %u!\n",
2154 __func__, iid, CTL_MAX_INIT_PER_PORT);
2155 return (-1);
2156 }
2157
2158 mtx_lock(&softc->ctl_lock);
2159 last = (--port->wwpn_iid[iid].in_use == 0);
2160 port->wwpn_iid[iid].last_use = time_uptime;
2161 mtx_unlock(&softc->ctl_lock);
2162 if (last)
2164 ctl_isc_announce_iid(port, iid);
2165
2166 return (0);
2167}
2168
2169/*
2170 * Add an initiator to the initiator map.
2171 * Returns iid for success, < 0 for failure.
2172 */
2173int
2174ctl_add_initiator(struct ctl_port *port, int iid, uint64_t wwpn, char *name)
2175{
2176 struct ctl_softc *softc = port->ctl_softc;
2177 time_t best_time;
2178 int i, best;
2179
2180 mtx_assert(&softc->ctl_lock, MA_NOTOWNED);
2181
2182 if (iid >= CTL_MAX_INIT_PER_PORT) {
2183 printf("%s: WWPN %#jx initiator ID %u > maximum %u!\n",
2184 __func__, wwpn, iid, CTL_MAX_INIT_PER_PORT);
2185 free(name, M_CTL);
2186 return (-1);
2187 }
2188
2189 mtx_lock(&softc->ctl_lock);
2190
2191 if (iid < 0 && (wwpn != 0 || name != NULL)) {
2192 for (i = 0; i < CTL_MAX_INIT_PER_PORT; i++) {
2193 if (wwpn != 0 && wwpn == port->wwpn_iid[i].wwpn) {
2194 iid = i;
2195 break;
2196 }
2197 if (name != NULL && port->wwpn_iid[i].name != NULL &&
2198 strcmp(name, port->wwpn_iid[i].name) == 0) {
2199 iid = i;
2200 break;
2201 }
2202 }
2203 }
2204
2205 if (iid < 0) {
2206 for (i = 0; i < CTL_MAX_INIT_PER_PORT; i++) {
2207 if (port->wwpn_iid[i].in_use == 0 &&
2208 port->wwpn_iid[i].wwpn == 0 &&
2209 port->wwpn_iid[i].name == NULL) {
2210 iid = i;
2211 break;
2212 }
2213 }
2214 }
2215
2216 if (iid < 0) {
2217 best = -1;
2218 best_time = INT32_MAX;
2219 for (i = 0; i < CTL_MAX_INIT_PER_PORT; i++) {
2220 if (port->wwpn_iid[i].in_use == 0) {
2221 if (port->wwpn_iid[i].last_use < best_time) {
2222 best = i;
2223 best_time = port->wwpn_iid[i].last_use;
2224 }
2225 }
2226 }
2227 iid = best;
2228 }
2229
2230 if (iid < 0) {
2231 mtx_unlock(&softc->ctl_lock);
2232 free(name, M_CTL);
2233 return (-2);
2234 }
2235
2236 if (port->wwpn_iid[iid].in_use > 0 && (wwpn != 0 || name != NULL)) {
2237 /*
2238 * This is not an error yet.
2239 */
2240 if (wwpn != 0 && wwpn == port->wwpn_iid[iid].wwpn) {
2241#if 0
2242 printf("%s: port %d iid %u WWPN %#jx arrived"
2243 " again\n", __func__, port->targ_port,
2244 iid, (uintmax_t)wwpn);
2245#endif
2246 goto take;
2247 }
2248 if (name != NULL && port->wwpn_iid[iid].name != NULL &&
2249 strcmp(name, port->wwpn_iid[iid].name) == 0) {
2250#if 0
2251 printf("%s: port %d iid %u name '%s' arrived"
2252 " again\n", __func__, port->targ_port,
2253 iid, name);
2254#endif
2255 goto take;
2256 }
2257
2258 /*
2259 * This is an error, but what do we do about it? The
2260 * driver is telling us we have a new WWPN for this
2261 * initiator ID, so we pretty much need to use it.
2262 */
2263 printf("%s: port %d iid %u WWPN %#jx '%s' arrived,"
2264 " but WWPN %#jx '%s' is still at that address\n",
2265 __func__, port->targ_port, iid, wwpn, name,
2266 (uintmax_t)port->wwpn_iid[iid].wwpn,
2267 port->wwpn_iid[iid].name);
2268 }
2269take:
2270 free(port->wwpn_iid[iid].name, M_CTL);
2271 port->wwpn_iid[iid].name = name;
2272 port->wwpn_iid[iid].wwpn = wwpn;
2273 port->wwpn_iid[iid].in_use++;
2274 mtx_unlock(&softc->ctl_lock);
2275 ctl_isc_announce_iid(port, iid);
2276
2277 return (iid);
2278}
2279
2280static int
2281ctl_create_iid(struct ctl_port *port, int iid, uint8_t *buf)
2282{
2283 int len;
2284
2285 switch (port->port_type) {
2286 case CTL_PORT_FC:
2287 {
2288 struct scsi_transportid_fcp *id =
2289 (struct scsi_transportid_fcp *)buf;
2290 if (port->wwpn_iid[iid].wwpn == 0)
2291 return (0);
2292 memset(id, 0, sizeof(*id));
2293 id->format_protocol = SCSI_PROTO_FC;
2294 scsi_u64to8b(port->wwpn_iid[iid].wwpn, id->n_port_name);
2295 return (sizeof(*id));
2296 }
2297 case CTL_PORT_ISCSI:
2298 {
2299 struct scsi_transportid_iscsi_port *id =
2300 (struct scsi_transportid_iscsi_port *)buf;
2301 if (port->wwpn_iid[iid].name == NULL)
2302 return (0);
2303 memset(id, 0, 256);
2304 id->format_protocol = SCSI_TRN_ISCSI_FORMAT_PORT |
2306 len = strlcpy(id->iscsi_name, port->wwpn_iid[iid].name, 252) + 1;
2307 len = roundup2(min(len, 252), 4);
2309 return (sizeof(*id) + len);
2310 }
2311 case CTL_PORT_SAS:
2312 {
2313 struct scsi_transportid_sas *id =
2314 (struct scsi_transportid_sas *)buf;
2315 if (port->wwpn_iid[iid].wwpn == 0)
2316 return (0);
2317 memset(id, 0, sizeof(*id));
2318 id->format_protocol = SCSI_PROTO_SAS;
2319 scsi_u64to8b(port->wwpn_iid[iid].wwpn, id->sas_address);
2320 return (sizeof(*id));
2321 }
2322 default:
2323 {
2324 struct scsi_transportid_spi *id =
2325 (struct scsi_transportid_spi *)buf;
2326 memset(id, 0, sizeof(*id));
2327 id->format_protocol = SCSI_PROTO_SPI;
2328 scsi_ulto2b(iid, id->scsi_addr);
2330 return (sizeof(*id));
2331 }
2332 }
2333}
2334
2335/*
2336 * Serialize a command that went down the "wrong" side, and so was sent to
2337 * this controller for execution. The logic is a little different than the
2338 * standard case in ctl_scsiio_precheck(). Errors in this case need to get
2339 * sent back to the other side, but in the success case, we execute the
2340 * command on this side (XFER mode) or tell the other side to execute it
2341 * (SER_ONLY mode).
2342 */
2343static void
2345{
2346 struct ctl_softc *softc = CTL_SOFTC(ctsio);
2347 struct ctl_port *port = CTL_PORT(ctsio);
2348 union ctl_ha_msg msg_info;
2349 struct ctl_lun *lun;
2350 const struct ctl_cmd_entry *entry;
2351 union ctl_io *bio;
2352 uint32_t targ_lun;
2353
2354 targ_lun = ctsio->io_hdr.nexus.targ_mapped_lun;
2355
2356 /* Make sure that we know about this port. */
2357 if (port == NULL || (port->status & CTL_PORT_STATUS_ONLINE) == 0) {
2358 ctl_set_internal_failure(ctsio, /*sks_valid*/ 0,
2359 /*retry_count*/ 1);
2360 goto badjuju;
2361 }
2362
2363 /* Make sure that we know about this LUN. */
2364 mtx_lock(&softc->ctl_lock);
2365 if (targ_lun >= ctl_max_luns ||
2366 (lun = softc->ctl_luns[targ_lun]) == NULL) {
2367 mtx_unlock(&softc->ctl_lock);
2368
2369 /*
2370 * The other node would not send this request to us unless
2371 * received announce that we are primary node for this LUN.
2372 * If this LUN does not exist now, it is probably result of
2373 * a race, so respond to initiator in the most opaque way.
2374 */
2375 ctl_set_busy(ctsio);
2376 goto badjuju;
2377 }
2378 mtx_lock(&lun->lun_lock);
2379 mtx_unlock(&softc->ctl_lock);
2380
2381 /*
2382 * If the LUN is invalid, pretend that it doesn't exist.
2383 * It will go away as soon as all pending I/Os completed.
2384 */
2385 if (lun->flags & CTL_LUN_DISABLED) {
2386 mtx_unlock(&lun->lun_lock);
2387 ctl_set_busy(ctsio);
2388 goto badjuju;
2389 }
2390
2391 entry = ctl_get_cmd_entry(ctsio, NULL);
2392 ctsio->seridx = entry->seridx;
2393 if (ctl_scsiio_lun_check(lun, entry, ctsio) != 0) {
2394 mtx_unlock(&lun->lun_lock);
2395 goto badjuju;
2396 }
2397
2398 CTL_LUN(ctsio) = lun;
2399 CTL_BACKEND_LUN(ctsio) = lun->be_lun;
2400
2401 /*
2402 * Every I/O goes into the OOA queue for a
2403 * particular LUN, and stays there until completion.
2404 */
2405#ifdef CTL_TIME_IO
2406 if (LIST_EMPTY(&lun->ooa_queue))
2407 lun->idle_time += getsbinuptime() - lun->last_busy;
2408#endif
2409 LIST_INSERT_HEAD(&lun->ooa_queue, &ctsio->io_hdr, ooa_links);
2410
2411 bio = (union ctl_io *)LIST_NEXT(&ctsio->io_hdr, ooa_links);
2412 switch (ctl_check_ooa(lun, (union ctl_io *)ctsio, &bio)) {
2413 case CTL_ACTION_PASS:
2414 case CTL_ACTION_SKIP:
2415 if (softc->ha_mode == CTL_HA_MODE_XFER) {
2417 ctl_enqueue_rtr((union ctl_io *)ctsio);
2418 mtx_unlock(&lun->lun_lock);
2419 } else {
2420 ctsio->io_hdr.flags &= ~CTL_FLAG_IO_ACTIVE;
2421 mtx_unlock(&lun->lun_lock);
2422
2423 /* send msg back to other side */
2424 msg_info.hdr.original_sc = ctsio->io_hdr.remote_io;
2425 msg_info.hdr.serializing_sc = (union ctl_io *)ctsio;
2426 msg_info.hdr.msg_type = CTL_MSG_R2R;
2428 sizeof(msg_info.hdr), M_WAITOK);
2429 }
2430 break;
2431 case CTL_ACTION_BLOCK:
2432 ctsio->io_hdr.blocker = bio;
2433 TAILQ_INSERT_TAIL(&bio->io_hdr.blocked_queue, &ctsio->io_hdr,
2434 blocked_links);
2435 mtx_unlock(&lun->lun_lock);
2436 break;
2437 case CTL_ACTION_OVERLAP:
2438 LIST_REMOVE(&ctsio->io_hdr, ooa_links);
2439 mtx_unlock(&lun->lun_lock);
2441 goto badjuju;
2443 LIST_REMOVE(&ctsio->io_hdr, ooa_links);
2444 mtx_unlock(&lun->lun_lock);
2445 ctl_set_overlapped_tag(ctsio, ctsio->tag_num);
2446badjuju:
2447 ctl_copy_sense_data_back((union ctl_io *)ctsio, &msg_info);
2448 msg_info.hdr.original_sc = ctsio->io_hdr.remote_io;
2449 msg_info.hdr.serializing_sc = NULL;
2450 msg_info.hdr.msg_type = CTL_MSG_BAD_JUJU;
2452 sizeof(msg_info.scsi), M_WAITOK);
2453 ctl_free_io((union ctl_io *)ctsio);
2454 break;
2455 default:
2456 __assert_unreachable();
2457 }
2458}
2459
2460/*
2461 * Returns 0 for success, errno for failure.
2462 */
2463static void
2464ctl_ioctl_fill_ooa(struct ctl_lun *lun, uint32_t *cur_fill_num,
2465 struct ctl_ooa *ooa_hdr, struct ctl_ooa_entry *kern_entries)
2466{
2467 struct ctl_io_hdr *ioh;
2468
2469 mtx_lock(&lun->lun_lock);
2470 ioh = LIST_FIRST(&lun->ooa_queue);
2471 if (ioh == NULL) {
2472 mtx_unlock(&lun->lun_lock);
2473 return;
2474 }
2475 while (LIST_NEXT(ioh, ooa_links) != NULL)
2476 ioh = LIST_NEXT(ioh, ooa_links);
2477 for ( ; ioh; ioh = LIST_PREV(ioh, &lun->ooa_queue, ctl_io_hdr, ooa_links)) {
2478 union ctl_io *io = (union ctl_io *)ioh;
2479 struct ctl_ooa_entry *entry;
2480
2481 /*
2482 * If we've got more than we can fit, just count the
2483 * remaining entries.
2484 */
2485 if (*cur_fill_num >= ooa_hdr->alloc_num) {
2486 (*cur_fill_num)++;
2487 continue;
2488 }
2489
2490 entry = &kern_entries[*cur_fill_num];
2491
2492 entry->tag_num = io->scsiio.tag_num;
2493 entry->lun_num = lun->lun;
2494#ifdef CTL_TIME_IO
2495 entry->start_bt = io->io_hdr.start_bt;
2496#endif
2497 bcopy(io->scsiio.cdb, entry->cdb, io->scsiio.cdb_len);
2498 entry->cdb_len = io->scsiio.cdb_len;
2499 if (io->io_hdr.blocker != NULL)
2501
2504
2505 if (io->io_hdr.flags & CTL_FLAG_ABORT)
2507
2510
2513
2516
2519 (*cur_fill_num)++;
2520 }
2521 mtx_unlock(&lun->lun_lock);
2522}
2523
2524/*
2525 * Escape characters that are illegal or not recommended in XML.
2526 */
2527int
2528ctl_sbuf_printf_esc(struct sbuf *sb, char *str, int size)
2529{
2530 char *end = str + size;
2531 int retval;
2532
2533 retval = 0;
2534
2535 for (; *str && str < end; str++) {
2536 switch (*str) {
2537 case '&':
2538 retval = sbuf_printf(sb, "&amp;");
2539 break;
2540 case '>':
2541 retval = sbuf_printf(sb, "&gt;");
2542 break;
2543 case '<':
2544 retval = sbuf_printf(sb, "&lt;");
2545 break;
2546 default:
2547 retval = sbuf_putc(sb, *str);
2548 break;
2549 }
2550
2551 if (retval != 0)
2552 break;
2553 }
2554
2555 return (retval);
2556}
2557
2558static void
2559ctl_id_sbuf(struct ctl_devid *id, struct sbuf *sb)
2560{
2561 struct scsi_vpd_id_descriptor *desc;
2562 int i;
2563
2564 if (id == NULL || id->len < 4)
2565 return;
2566 desc = (struct scsi_vpd_id_descriptor *)id->data;
2567 switch (desc->id_type & SVPD_ID_TYPE_MASK) {
2568 case SVPD_ID_TYPE_T10:
2569 sbuf_printf(sb, "t10.");
2570 break;
2571 case SVPD_ID_TYPE_EUI64:
2572 sbuf_printf(sb, "eui.");
2573 break;
2574 case SVPD_ID_TYPE_NAA:
2575 sbuf_printf(sb, "naa.");
2576 break;
2578 break;
2579 }
2580 switch (desc->proto_codeset & SVPD_ID_CODESET_MASK) {
2582 for (i = 0; i < desc->length; i++)
2583 sbuf_printf(sb, "%02x", desc->identifier[i]);
2584 break;
2586 sbuf_printf(sb, "%.*s", (int)desc->length,
2587 (char *)desc->identifier);
2588 break;
2590 sbuf_printf(sb, "%s", (char *)desc->identifier);
2591 break;
2592 }
2593}
2594
2595static int
2596ctl_ioctl(struct cdev *dev, u_long cmd, caddr_t addr, int flag,
2597 struct thread *td)
2598{
2599 struct ctl_softc *softc = dev->si_drv1;
2600 struct ctl_port *port;
2601 struct ctl_lun *lun;
2602 int retval;
2603
2604 retval = 0;
2605
2606 switch (cmd) {
2607 case CTL_IO:
2608 retval = ctl_ioctl_io(dev, cmd, addr, flag, td);
2609 break;
2610 case CTL_ENABLE_PORT:
2611 case CTL_DISABLE_PORT:
2612 case CTL_SET_PORT_WWNS: {
2613 struct ctl_port *port;
2614 struct ctl_port_entry *entry;
2615
2616 entry = (struct ctl_port_entry *)addr;
2617
2618 mtx_lock(&softc->ctl_lock);
2619 STAILQ_FOREACH(port, &softc->port_list, links) {
2620 int action, done;
2621
2622 if (port->targ_port < softc->port_min ||
2623 port->targ_port >= softc->port_max)
2624 continue;
2625
2626 action = 0;
2627 done = 0;
2628 if ((entry->port_type == CTL_PORT_NONE)
2629 && (entry->targ_port == port->targ_port)) {
2630 /*
2631 * If the user only wants to enable or
2632 * disable or set WWNs on a specific port,
2633 * do the operation and we're done.
2634 */
2635 action = 1;
2636 done = 1;
2637 } else if (entry->port_type & port->port_type) {
2638 /*
2639 * Compare the user's type mask with the
2640 * particular frontend type to see if we
2641 * have a match.
2642 */
2643 action = 1;
2644 done = 0;
2645
2646 /*
2647 * Make sure the user isn't trying to set
2648 * WWNs on multiple ports at the same time.
2649 */
2650 if (cmd == CTL_SET_PORT_WWNS) {
2651 printf("%s: Can't set WWNs on "
2652 "multiple ports\n", __func__);
2653 retval = EINVAL;
2654 break;
2655 }
2656 }
2657 if (action == 0)
2658 continue;
2659
2660 /*
2661 * XXX KDM we have to drop the lock here, because
2662 * the online/offline operations can potentially
2663 * block. We need to reference count the frontends
2664 * so they can't go away,
2665 */
2666 if (cmd == CTL_ENABLE_PORT) {
2667 mtx_unlock(&softc->ctl_lock);
2668 ctl_port_online(port);
2669 mtx_lock(&softc->ctl_lock);
2670 } else if (cmd == CTL_DISABLE_PORT) {
2671 mtx_unlock(&softc->ctl_lock);
2672 ctl_port_offline(port);
2673 mtx_lock(&softc->ctl_lock);
2674 } else if (cmd == CTL_SET_PORT_WWNS) {
2675 ctl_port_set_wwns(port,
2676 (entry->flags & CTL_PORT_WWNN_VALID) ?
2677 1 : 0, entry->wwnn,
2678 (entry->flags & CTL_PORT_WWPN_VALID) ?
2679 1 : 0, entry->wwpn);
2680 }
2681 if (done != 0)
2682 break;
2683 }
2684 mtx_unlock(&softc->ctl_lock);
2685 break;
2686 }
2687 case CTL_GET_OOA: {
2688 struct ctl_ooa *ooa_hdr;
2689 struct ctl_ooa_entry *entries;
2690 uint32_t cur_fill_num;
2691
2692 ooa_hdr = (struct ctl_ooa *)addr;
2693
2694 if ((ooa_hdr->alloc_len == 0)
2695 || (ooa_hdr->alloc_num == 0)) {
2696 printf("%s: CTL_GET_OOA: alloc len %u and alloc num %u "
2697 "must be non-zero\n", __func__,
2698 ooa_hdr->alloc_len, ooa_hdr->alloc_num);
2699 retval = EINVAL;
2700 break;
2701 }
2702
2703 if (ooa_hdr->alloc_len != (ooa_hdr->alloc_num *
2704 sizeof(struct ctl_ooa_entry))) {
2705 printf("%s: CTL_GET_OOA: alloc len %u must be alloc "
2706 "num %d * sizeof(struct ctl_ooa_entry) %zd\n",
2707 __func__, ooa_hdr->alloc_len,
2708 ooa_hdr->alloc_num,sizeof(struct ctl_ooa_entry));
2709 retval = EINVAL;
2710 break;
2711 }
2712
2713 entries = malloc(ooa_hdr->alloc_len, M_CTL, M_WAITOK | M_ZERO);
2714 if (entries == NULL) {
2715 printf("%s: could not allocate %d bytes for OOA "
2716 "dump\n", __func__, ooa_hdr->alloc_len);
2717 retval = ENOMEM;
2718 break;
2719 }
2720
2721 mtx_lock(&softc->ctl_lock);
2722 if ((ooa_hdr->flags & CTL_OOA_FLAG_ALL_LUNS) == 0 &&
2723 (ooa_hdr->lun_num >= ctl_max_luns ||
2724 softc->ctl_luns[ooa_hdr->lun_num] == NULL)) {
2725 mtx_unlock(&softc->ctl_lock);
2726 free(entries, M_CTL);
2727 printf("%s: CTL_GET_OOA: invalid LUN %ju\n",
2728 __func__, (uintmax_t)ooa_hdr->lun_num);
2729 retval = EINVAL;
2730 break;
2731 }
2732
2733 cur_fill_num = 0;
2734
2735 if (ooa_hdr->flags & CTL_OOA_FLAG_ALL_LUNS) {
2736 STAILQ_FOREACH(lun, &softc->lun_list, links) {
2737 ctl_ioctl_fill_ooa(lun, &cur_fill_num,
2738 ooa_hdr, entries);
2739 }
2740 } else {
2741 lun = softc->ctl_luns[ooa_hdr->lun_num];
2742 ctl_ioctl_fill_ooa(lun, &cur_fill_num, ooa_hdr,
2743 entries);
2744 }
2745 mtx_unlock(&softc->ctl_lock);
2746
2747 ooa_hdr->fill_num = min(cur_fill_num, ooa_hdr->alloc_num);
2748 ooa_hdr->fill_len = ooa_hdr->fill_num *
2749 sizeof(struct ctl_ooa_entry);
2750 retval = copyout(entries, ooa_hdr->entries, ooa_hdr->fill_len);
2751 if (retval != 0) {
2752 printf("%s: error copying out %d bytes for OOA dump\n",
2753 __func__, ooa_hdr->fill_len);
2754 }
2755
2756 getbinuptime(&ooa_hdr->cur_bt);
2757
2758 if (cur_fill_num > ooa_hdr->alloc_num) {
2759 ooa_hdr->dropped_num = cur_fill_num -ooa_hdr->alloc_num;
2761 } else {
2762 ooa_hdr->dropped_num = 0;
2763 ooa_hdr->status = CTL_OOA_OK;
2764 }
2765
2766 free(entries, M_CTL);
2767 break;
2768 }
2769 case CTL_DELAY_IO: {
2770 struct ctl_io_delay_info *delay_info;
2771
2772 delay_info = (struct ctl_io_delay_info *)addr;
2773
2774#ifdef CTL_IO_DELAY
2775 mtx_lock(&softc->ctl_lock);
2776 if (delay_info->lun_id >= ctl_max_luns ||
2777 (lun = softc->ctl_luns[delay_info->lun_id]) == NULL) {
2778 mtx_unlock(&softc->ctl_lock);
2780 break;
2781 }
2782 mtx_lock(&lun->lun_lock);
2783 mtx_unlock(&softc->ctl_lock);
2784 delay_info->status = CTL_DELAY_STATUS_OK;
2785 switch (delay_info->delay_type) {
2788 break;
2789 default:
2791 break;
2792 }
2793 switch (delay_info->delay_loc) {
2795 lun->delay_info.datamove_type = delay_info->delay_type;
2796 lun->delay_info.datamove_delay = delay_info->delay_secs;
2797 break;
2798 case CTL_DELAY_LOC_DONE:
2799 lun->delay_info.done_type = delay_info->delay_type;
2800 lun->delay_info.done_delay = delay_info->delay_secs;
2801 break;
2802 default:
2804 break;
2805 }
2806 mtx_unlock(&lun->lun_lock);
2807#else
2809#endif /* CTL_IO_DELAY */
2810 break;
2811 }
2812 case CTL_ERROR_INJECT: {
2813 struct ctl_error_desc *err_desc, *new_err_desc;
2814
2815 err_desc = (struct ctl_error_desc *)addr;
2816
2817 new_err_desc = malloc(sizeof(*new_err_desc), M_CTL,
2818 M_WAITOK | M_ZERO);
2819 bcopy(err_desc, new_err_desc, sizeof(*new_err_desc));
2820
2821 mtx_lock(&softc->ctl_lock);
2822 if (err_desc->lun_id >= ctl_max_luns ||
2823 (lun = softc->ctl_luns[err_desc->lun_id]) == NULL) {
2824 mtx_unlock(&softc->ctl_lock);
2825 free(new_err_desc, M_CTL);
2826 printf("%s: CTL_ERROR_INJECT: invalid LUN %ju\n",
2827 __func__, (uintmax_t)err_desc->lun_id);
2828 retval = EINVAL;
2829 break;
2830 }
2831 mtx_lock(&lun->lun_lock);
2832 mtx_unlock(&softc->ctl_lock);
2833
2834 /*
2835 * We could do some checking here to verify the validity
2836 * of the request, but given the complexity of error
2837 * injection requests, the checking logic would be fairly
2838 * complex.
2839 *
2840 * For now, if the request is invalid, it just won't get
2841 * executed and might get deleted.
2842 */
2843 STAILQ_INSERT_TAIL(&lun->error_list, new_err_desc, links);
2844
2845 /*
2846 * XXX KDM check to make sure the serial number is unique,
2847 * in case we somehow manage to wrap. That shouldn't
2848 * happen for a very long time, but it's the right thing to
2849 * do.
2850 */
2851 new_err_desc->serial = lun->error_serial;
2852 err_desc->serial = lun->error_serial;
2853 lun->error_serial++;
2854
2855 mtx_unlock(&lun->lun_lock);
2856 break;
2857 }
2859 struct ctl_error_desc *delete_desc, *desc, *desc2;
2860 int delete_done;
2861
2862 delete_desc = (struct ctl_error_desc *)addr;
2863 delete_done = 0;
2864
2865 mtx_lock(&softc->ctl_lock);
2866 if (delete_desc->lun_id >= ctl_max_luns ||
2867 (lun = softc->ctl_luns[delete_desc->lun_id]) == NULL) {
2868 mtx_unlock(&softc->ctl_lock);
2869 printf("%s: CTL_ERROR_INJECT_DELETE: invalid LUN %ju\n",
2870 __func__, (uintmax_t)delete_desc->lun_id);
2871 retval = EINVAL;
2872 break;
2873 }
2874 mtx_lock(&lun->lun_lock);
2875 mtx_unlock(&softc->ctl_lock);
2876 STAILQ_FOREACH_SAFE(desc, &lun->error_list, links, desc2) {
2877 if (desc->serial != delete_desc->serial)
2878 continue;
2879
2880 STAILQ_REMOVE(&lun->error_list, desc, ctl_error_desc,
2881 links);
2882 free(desc, M_CTL);
2883 delete_done = 1;
2884 }
2885 mtx_unlock(&lun->lun_lock);
2886 if (delete_done == 0) {
2887 printf("%s: CTL_ERROR_INJECT_DELETE: can't find "
2888 "error serial %ju on LUN %u\n", __func__,
2889 delete_desc->serial, delete_desc->lun_id);
2890 retval = EINVAL;
2891 break;
2892 }
2893 break;
2894 }
2895 case CTL_DUMP_STRUCTS: {
2896 int j, k;
2897 struct ctl_port *port;
2898 struct ctl_frontend *fe;
2899
2900 mtx_lock(&softc->ctl_lock);
2901 printf("CTL Persistent Reservation information start:\n");
2902 STAILQ_FOREACH(lun, &softc->lun_list, links) {
2903 mtx_lock(&lun->lun_lock);
2904 if ((lun->flags & CTL_LUN_DISABLED) != 0) {
2905 mtx_unlock(&lun->lun_lock);
2906 continue;
2907 }
2908
2909 for (j = 0; j < ctl_max_ports; j++) {
2910 if (lun->pr_keys[j] == NULL)
2911 continue;
2912 for (k = 0; k < CTL_MAX_INIT_PER_PORT; k++){
2913 if (lun->pr_keys[j][k] == 0)
2914 continue;
2915 printf(" LUN %ju port %d iid %d key "
2916 "%#jx\n", lun->lun, j, k,
2917 (uintmax_t)lun->pr_keys[j][k]);
2918 }
2919 }
2920 mtx_unlock(&lun->lun_lock);
2921 }
2922 printf("CTL Persistent Reservation information end\n");
2923 printf("CTL Ports:\n");
2924 STAILQ_FOREACH(port, &softc->port_list, links) {
2925 printf(" Port %d '%s' Frontend '%s' Type %u pp %d vp %d WWNN "
2926 "%#jx WWPN %#jx\n", port->targ_port, port->port_name,
2927 port->frontend->name, port->port_type,
2928 port->physical_port, port->virtual_port,
2929 (uintmax_t)port->wwnn, (uintmax_t)port->wwpn);
2930 for (j = 0; j < CTL_MAX_INIT_PER_PORT; j++) {
2931 if (port->wwpn_iid[j].in_use == 0 &&
2932 port->wwpn_iid[j].wwpn == 0 &&
2933 port->wwpn_iid[j].name == NULL)
2934 continue;
2935
2936 printf(" iid %u use %d WWPN %#jx '%s'\n",
2937 j, port->wwpn_iid[j].in_use,
2938 (uintmax_t)port->wwpn_iid[j].wwpn,
2939 port->wwpn_iid[j].name);
2940 }
2941 }
2942 printf("CTL Port information end\n");
2943 mtx_unlock(&softc->ctl_lock);
2944 /*
2945 * XXX KDM calling this without a lock. We'd likely want
2946 * to drop the lock before calling the frontend's dump
2947 * routine anyway.
2948 */
2949 printf("CTL Frontends:\n");
2950 STAILQ_FOREACH(fe, &softc->fe_list, links) {
2951 printf(" Frontend '%s'\n", fe->name);
2952 if (fe->fe_dump != NULL)
2953 fe->fe_dump();
2954 }
2955 printf("CTL Frontend information end\n");
2956 break;
2957 }
2958 case CTL_LUN_REQ: {
2959 struct ctl_lun_req *lun_req;
2960 struct ctl_backend_driver *backend;
2961 void *packed;
2962 nvlist_t *tmp_args_nvl;
2963 size_t packed_len;
2964
2965 lun_req = (struct ctl_lun_req *)addr;
2966 tmp_args_nvl = lun_req->args_nvl;
2967
2968 backend = ctl_backend_find(lun_req->backend);
2969 if (backend == NULL) {
2970 lun_req->status = CTL_LUN_ERROR;
2971 snprintf(lun_req->error_str,
2972 sizeof(lun_req->error_str),
2973 "Backend \"%s\" not found.",
2974 lun_req->backend);
2975 break;
2976 }
2977
2978 if (lun_req->args != NULL) {
2979 packed = malloc(lun_req->args_len, M_CTL, M_WAITOK);
2980 if (copyin(lun_req->args, packed, lun_req->args_len) != 0) {
2981 free(packed, M_CTL);
2982 lun_req->status = CTL_LUN_ERROR;
2983 snprintf(lun_req->error_str, sizeof(lun_req->error_str),
2984 "Cannot copyin args.");
2985 break;
2986 }
2987 lun_req->args_nvl = nvlist_unpack(packed,
2988 lun_req->args_len, 0);
2989 free(packed, M_CTL);
2990
2991 if (lun_req->args_nvl == NULL) {
2992 lun_req->status = CTL_LUN_ERROR;
2993 snprintf(lun_req->error_str, sizeof(lun_req->error_str),
2994 "Cannot unpack args nvlist.");
2995 break;
2996 }
2997 } else
2998 lun_req->args_nvl = nvlist_create(0);
2999
3000 retval = backend->ioctl(dev, cmd, addr, flag, td);
3001 nvlist_destroy(lun_req->args_nvl);
3002 lun_req->args_nvl = tmp_args_nvl;
3003
3004 if (lun_req->result_nvl != NULL) {
3005 if (lun_req->result != NULL) {
3006 packed = nvlist_pack(lun_req->result_nvl,
3007 &packed_len);
3008 if (packed == NULL) {
3009 lun_req->status = CTL_LUN_ERROR;
3010 snprintf(lun_req->error_str,
3011 sizeof(lun_req->error_str),
3012 "Cannot pack result nvlist.");
3013 break;
3014 }
3015
3016 if (packed_len > lun_req->result_len) {
3017 lun_req->status = CTL_LUN_ERROR;
3018 snprintf(lun_req->error_str,
3019 sizeof(lun_req->error_str),
3020 "Result nvlist too large.");
3021 free(packed, M_NVLIST);
3022 break;
3023 }
3024
3025 if (copyout(packed, lun_req->result, packed_len)) {
3026 lun_req->status = CTL_LUN_ERROR;
3027 snprintf(lun_req->error_str,
3028 sizeof(lun_req->error_str),
3029 "Cannot copyout() the result.");
3030 free(packed, M_NVLIST);
3031 break;
3032 }
3033
3034 lun_req->result_len = packed_len;
3035 free(packed, M_NVLIST);
3036 }
3037
3038 nvlist_destroy(lun_req->result_nvl);
3039 }
3040 break;
3041 }
3042 case CTL_LUN_LIST: {
3043 struct sbuf *sb;
3044 struct ctl_lun_list *list;
3045 const char *name, *value;
3046 void *cookie;
3047 int type;
3048
3049 list = (struct ctl_lun_list *)addr;
3050
3051 /*
3052 * Allocate a fixed length sbuf here, based on the length
3053 * of the user's buffer. We could allocate an auto-extending
3054 * buffer, and then tell the user how much larger our
3055 * amount of data is than his buffer, but that presents
3056 * some problems:
3057 *
3058 * 1. The sbuf(9) routines use a blocking malloc, and so
3059 * we can't hold a lock while calling them with an
3060 * auto-extending buffer.
3061 *
3062 * 2. There is not currently a LUN reference counting
3063 * mechanism, outside of outstanding transactions on
3064 * the LUN's OOA queue. So a LUN could go away on us
3065 * while we're getting the LUN number, backend-specific
3066 * information, etc. Thus, given the way things
3067 * currently work, we need to hold the CTL lock while
3068 * grabbing LUN information.
3069 *
3070 * So, from the user's standpoint, the best thing to do is
3071 * allocate what he thinks is a reasonable buffer length,
3072 * and then if he gets a CTL_LUN_LIST_NEED_MORE_SPACE error,
3073 * double the buffer length and try again. (And repeat
3074 * that until he succeeds.)
3075 */
3076 sb = sbuf_new(NULL, NULL, list->alloc_len, SBUF_FIXEDLEN);
3077 if (sb == NULL) {
3078 list->status = CTL_LUN_LIST_ERROR;
3079 snprintf(list->error_str, sizeof(list->error_str),
3080 "Unable to allocate %d bytes for LUN list",
3081 list->alloc_len);
3082 break;
3083 }
3084
3085 sbuf_printf(sb, "<ctllunlist>\n");
3086
3087 mtx_lock(&softc->ctl_lock);
3088 STAILQ_FOREACH(lun, &softc->lun_list, links) {
3089 mtx_lock(&lun->lun_lock);
3090 retval = sbuf_printf(sb, "<lun id=\"%ju\">\n",
3091 (uintmax_t)lun->lun);
3092
3093 /*
3094 * Bail out as soon as we see that we've overfilled
3095 * the buffer.
3096 */
3097 if (retval != 0)
3098 break;
3099
3100 retval = sbuf_printf(sb, "\t<backend_type>%s"
3101 "</backend_type>\n",
3102 (lun->backend == NULL) ? "none" :
3103 lun->backend->name);
3104
3105 if (retval != 0)
3106 break;
3107
3108 retval = sbuf_printf(sb, "\t<lun_type>%d</lun_type>\n",
3109 lun->be_lun->lun_type);
3110
3111 if (retval != 0)
3112 break;
3113
3114 if (lun->backend == NULL) {
3115 retval = sbuf_printf(sb, "</lun>\n");
3116 if (retval != 0)
3117 break;
3118 continue;
3119 }
3120
3121 retval = sbuf_printf(sb, "\t<size>%ju</size>\n",
3122 (lun->be_lun->maxlba > 0) ?
3123 lun->be_lun->maxlba + 1 : 0);
3124
3125 if (retval != 0)
3126 break;
3127
3128 retval = sbuf_printf(sb, "\t<blocksize>%u</blocksize>\n",
3129 lun->be_lun->blocksize);
3130
3131 if (retval != 0)
3132 break;
3133
3134 retval = sbuf_printf(sb, "\t<serial_number>");
3135
3136 if (retval != 0)
3137 break;
3138
3139 retval = ctl_sbuf_printf_esc(sb,
3140 lun->be_lun->serial_num,
3141 sizeof(lun->be_lun->serial_num));
3142
3143 if (retval != 0)
3144 break;
3145
3146 retval = sbuf_printf(sb, "</serial_number>\n");
3147
3148 if (retval != 0)
3149 break;
3150
3151 retval = sbuf_printf(sb, "\t<device_id>");
3152
3153 if (retval != 0)
3154 break;
3155
3156 retval = ctl_sbuf_printf_esc(sb,
3157 lun->be_lun->device_id,
3158 sizeof(lun->be_lun->device_id));
3159
3160 if (retval != 0)
3161 break;
3162
3163 retval = sbuf_printf(sb, "</device_id>\n");
3164
3165 if (retval != 0)
3166 break;
3167
3168 if (lun->backend->lun_info != NULL) {
3169 retval = lun->backend->lun_info(lun->be_lun, sb);
3170 if (retval != 0)
3171 break;
3172 }
3173
3174 cookie = NULL;
3175 while ((name = nvlist_next(lun->be_lun->options, &type,
3176 &cookie)) != NULL) {
3177 sbuf_printf(sb, "\t<%s>", name);
3178
3179 if (type == NV_TYPE_STRING) {
3180 value = dnvlist_get_string(
3181 lun->be_lun->options, name, NULL);
3182 if (value != NULL)
3183 sbuf_printf(sb, "%s", value);
3184 }
3185
3186 sbuf_printf(sb, "</%s>\n", name);
3187 }
3188
3189 retval = sbuf_printf(sb, "</lun>\n");
3190
3191 if (retval != 0)
3192 break;
3193 mtx_unlock(&lun->lun_lock);
3194 }
3195 if (lun != NULL)
3196 mtx_unlock(&lun->lun_lock);
3197 mtx_unlock(&softc->ctl_lock);
3198
3199 if ((retval != 0)
3200 || ((retval = sbuf_printf(sb, "</ctllunlist>\n")) != 0)) {
3201 retval = 0;
3202 sbuf_delete(sb);
3204 snprintf(list->error_str, sizeof(list->error_str),
3205 "Out of space, %d bytes is too small",
3206 list->alloc_len);
3207 break;
3208 }
3209
3210 sbuf_finish(sb);
3211
3212 retval = copyout(sbuf_data(sb), list->lun_xml,
3213 sbuf_len(sb) + 1);
3214
3215 list->fill_len = sbuf_len(sb) + 1;
3216 list->status = CTL_LUN_LIST_OK;
3217 sbuf_delete(sb);
3218 break;
3219 }
3220 case CTL_ISCSI: {
3221 struct ctl_iscsi *ci;
3222 struct ctl_frontend *fe;
3223
3224 ci = (struct ctl_iscsi *)addr;
3225
3226 fe = ctl_frontend_find("iscsi");
3227 if (fe == NULL) {
3228 ci->status = CTL_ISCSI_ERROR;
3229 snprintf(ci->error_str, sizeof(ci->error_str),
3230 "Frontend \"iscsi\" not found.");
3231 break;
3232 }
3233
3234 retval = fe->ioctl(dev, cmd, addr, flag, td);
3235 break;
3236 }
3237 case CTL_PORT_REQ: {
3238 struct ctl_req *req;
3239 struct ctl_frontend *fe;
3240 void *packed;
3241 nvlist_t *tmp_args_nvl;
3242 size_t packed_len;
3243
3244 req = (struct ctl_req *)addr;
3245 tmp_args_nvl = req->args_nvl;
3246
3247 fe = ctl_frontend_find(req->driver);
3248 if (fe == NULL) {
3249 req->status = CTL_LUN_ERROR;
3250 snprintf(req->error_str, sizeof(req->error_str),
3251 "Frontend \"%s\" not found.", req->driver);
3252 break;
3253 }
3254
3255 if (req->args != NULL) {
3256 packed = malloc(req->args_len, M_CTL, M_WAITOK);
3257 if (copyin(req->args, packed, req->args_len) != 0) {
3258 free(packed, M_CTL);
3259 req->status = CTL_LUN_ERROR;
3260 snprintf(req->error_str, sizeof(req->error_str),
3261 "Cannot copyin args.");
3262 break;
3263 }
3264 req->args_nvl = nvlist_unpack(packed,
3265 req->args_len, 0);
3266 free(packed, M_CTL);
3267
3268 if (req->args_nvl == NULL) {
3269 req->status = CTL_LUN_ERROR;
3270 snprintf(req->error_str, sizeof(req->error_str),
3271 "Cannot unpack args nvlist.");
3272 break;
3273 }
3274 } else
3275 req->args_nvl = nvlist_create(0);
3276
3277 if (fe->ioctl)
3278 retval = fe->ioctl(dev, cmd, addr, flag, td);
3279 else
3280 retval = ENODEV;
3281
3282 nvlist_destroy(req->args_nvl);
3283 req->args_nvl = tmp_args_nvl;
3284
3285 if (req->result_nvl != NULL) {
3286 if (req->result != NULL) {
3287 packed = nvlist_pack(req->result_nvl,
3288 &packed_len);
3289 if (packed == NULL) {
3290 req->status = CTL_LUN_ERROR;
3291 snprintf(req->error_str,
3292 sizeof(req->error_str),
3293 "Cannot pack result nvlist.");
3294 break;
3295 }
3296
3297 if (packed_len > req->result_len) {
3298 req->status = CTL_LUN_ERROR;
3299 snprintf(req->error_str,
3300 sizeof(req->error_str),
3301 "Result nvlist too large.");
3302 free(packed, M_NVLIST);
3303 break;
3304 }
3305
3306 if (copyout(packed, req->result, packed_len)) {
3307 req->status = CTL_LUN_ERROR;
3308 snprintf(req->error_str,
3309 sizeof(req->error_str),
3310 "Cannot copyout() the result.");
3311 free(packed, M_NVLIST);
3312 break;
3313 }
3314
3315 req->result_len = packed_len;
3316 free(packed, M_NVLIST);
3317 }
3318
3319 nvlist_destroy(req->result_nvl);
3320 }
3321 break;
3322 }
3323 case CTL_PORT_LIST: {
3324 struct sbuf *sb;
3325 struct ctl_port *port;
3326 struct ctl_lun_list *list;
3327 const char *name, *value;
3328 void *cookie;
3329 int j, type;
3330 uint32_t plun;
3331
3332 list = (struct ctl_lun_list *)addr;
3333
3334 sb = sbuf_new(NULL, NULL, list->alloc_len, SBUF_FIXEDLEN);
3335 if (sb == NULL) {
3336 list->status = CTL_LUN_LIST_ERROR;
3337 snprintf(list->error_str, sizeof(list->error_str),
3338 "Unable to allocate %d bytes for LUN list",
3339 list->alloc_len);
3340 break;
3341 }
3342
3343 sbuf_printf(sb, "<ctlportlist>\n");
3344
3345 mtx_lock(&softc->ctl_lock);
3346 STAILQ_FOREACH(port, &softc->port_list, links) {
3347 retval = sbuf_printf(sb, "<targ_port id=\"%ju\">\n",
3348 (uintmax_t)port->targ_port);
3349
3350 /*
3351 * Bail out as soon as we see that we've overfilled
3352 * the buffer.
3353 */
3354 if (retval != 0)
3355 break;
3356
3357 retval = sbuf_printf(sb, "\t<frontend_type>%s"
3358 "</frontend_type>\n", port->frontend->name);
3359 if (retval != 0)
3360 break;
3361
3362 retval = sbuf_printf(sb, "\t<port_type>%d</port_type>\n",
3363 port->port_type);
3364 if (retval != 0)
3365 break;
3366
3367 retval = sbuf_printf(sb, "\t<online>%s</online>\n",
3368 (port->status & CTL_PORT_STATUS_ONLINE) ? "YES" : "NO");
3369 if (retval != 0)
3370 break;
3371
3372 retval = sbuf_printf(sb, "\t<port_name>%s</port_name>\n",
3373 port->port_name);
3374 if (retval != 0)
3375 break;
3376
3377 retval = sbuf_printf(sb, "\t<physical_port>%d</physical_port>\n",
3378 port->physical_port);
3379 if (retval != 0)
3380 break;
3381
3382 retval = sbuf_printf(sb, "\t<virtual_port>%d</virtual_port>\n",
3383 port->virtual_port);
3384 if (retval != 0)
3385 break;
3386
3387 if (port->target_devid != NULL) {
3388 sbuf_printf(sb, "\t<target>");
3389 ctl_id_sbuf(port->target_devid, sb);
3390 sbuf_printf(sb, "</target>\n");
3391 }
3392
3393 if (port->port_devid != NULL) {
3394 sbuf_printf(sb, "\t<port>");
3395 ctl_id_sbuf(port->port_devid, sb);
3396 sbuf_printf(sb, "</port>\n");
3397 }
3398
3399 if (port->port_info != NULL) {
3400 retval = port->port_info(port->onoff_arg, sb);
3401 if (retval != 0)
3402 break;
3403 }
3404
3405 cookie = NULL;
3406 while ((name = nvlist_next(port->options, &type,
3407 &cookie)) != NULL) {
3408 sbuf_printf(sb, "\t<%s>", name);
3409
3410 if (type == NV_TYPE_STRING) {
3411 value = dnvlist_get_string(port->options,
3412 name, NULL);
3413 if (value != NULL)
3414 sbuf_printf(sb, "%s", value);
3415 }
3416
3417 sbuf_printf(sb, "</%s>\n", name);
3418 }
3419
3420 if (port->lun_map != NULL) {
3421 sbuf_printf(sb, "\t<lun_map>on</lun_map>\n");
3422 for (j = 0; j < port->lun_map_size; j++) {
3423 plun = ctl_lun_map_from_port(port, j);
3424 if (plun == UINT32_MAX)
3425 continue;
3426 sbuf_printf(sb,
3427 "\t<lun id=\"%u\">%u</lun>\n",
3428 j, plun);
3429 }
3430 }
3431
3432 for (j = 0; j < CTL_MAX_INIT_PER_PORT; j++) {
3433 if (port->wwpn_iid[j].in_use == 0 ||
3434 (port->wwpn_iid[j].wwpn == 0 &&
3435 port->wwpn_iid[j].name == NULL))
3436 continue;
3437
3438 if (port->wwpn_iid[j].name != NULL)
3439 retval = sbuf_printf(sb,
3440 "\t<initiator id=\"%u\">%s</initiator>\n",
3441 j, port->wwpn_iid[j].name);
3442 else
3443 retval = sbuf_printf(sb,
3444 "\t<initiator id=\"%u\">naa.%08jx</initiator>\n",
3445 j, port->wwpn_iid[j].wwpn);
3446 if (retval != 0)
3447 break;
3448 }
3449 if (retval != 0)
3450 break;
3451
3452 retval = sbuf_printf(sb, "</targ_port>\n");
3453 if (retval != 0)
3454 break;
3455 }
3456 mtx_unlock(&softc->ctl_lock);
3457
3458 if ((retval != 0)
3459 || ((retval = sbuf_printf(sb, "</ctlportlist>\n")) != 0)) {
3460 retval = 0;
3461 sbuf_delete(sb);
3463 snprintf(list->error_str, sizeof(list->error_str),
3464 "Out of space, %d bytes is too small",
3465 list->alloc_len);
3466 break;
3467 }
3468
3469 sbuf_finish(sb);
3470
3471 retval = copyout(sbuf_data(sb), list->lun_xml,
3472 sbuf_len(sb) + 1);
3473
3474 list->fill_len = sbuf_len(sb) + 1;
3475 list->status = CTL_LUN_LIST_OK;
3476 sbuf_delete(sb);
3477 break;
3478 }
3479 case CTL_LUN_MAP: {
3480 struct ctl_lun_map *lm = (struct ctl_lun_map *)addr;
3481 struct ctl_port *port;
3482
3483 mtx_lock(&softc->ctl_lock);
3484 if (lm->port < softc->port_min ||
3485 lm->port >= softc->port_max ||
3486 (port = softc->ctl_ports[lm->port]) == NULL) {
3487 mtx_unlock(&softc->ctl_lock);
3488 return (ENXIO);
3489 }
3490 if (port->status & CTL_PORT_STATUS_ONLINE) {
3491 STAILQ_FOREACH(lun, &softc->lun_list, links) {
3492 if (ctl_lun_map_to_port(port, lun->lun) ==
3493 UINT32_MAX)
3494 continue;
3495 mtx_lock(&lun->lun_lock);
3496 ctl_est_ua_port(lun, lm->port, -1,
3498 mtx_unlock(&lun->lun_lock);
3499 }
3500 }
3501 mtx_unlock(&softc->ctl_lock); // XXX: port_enable sleeps
3502 if (lm->plun != UINT32_MAX) {
3503 if (lm->lun == UINT32_MAX)
3504 retval = ctl_lun_map_unset(port, lm->plun);
3505 else if (lm->lun < ctl_max_luns &&
3506 softc->ctl_luns[lm->lun] != NULL)
3507 retval = ctl_lun_map_set(port, lm->plun, lm->lun);
3508 else
3509 return (ENXIO);
3510 } else {
3511 if (lm->lun == UINT32_MAX)
3512 retval = ctl_lun_map_deinit(port);
3513 else
3514 retval = ctl_lun_map_init(port);
3515 }
3516 if (port->status & CTL_PORT_STATUS_ONLINE)
3518 break;
3519 }
3520 case CTL_GET_LUN_STATS: {
3521 struct ctl_get_io_stats *stats = (struct ctl_get_io_stats *)addr;
3522 int i;
3523
3524 /*
3525 * XXX KDM no locking here. If the LUN list changes,
3526 * things can blow up.
3527 */
3528 i = 0;
3529 stats->status = CTL_SS_OK;
3530 stats->fill_len = 0;
3531 STAILQ_FOREACH(lun, &softc->lun_list, links) {
3532 if (lun->lun < stats->first_item)
3533 continue;
3534 if (stats->fill_len + sizeof(lun->stats) >
3535 stats->alloc_len) {
3536 stats->status = CTL_SS_NEED_MORE_SPACE;
3537 break;
3538 }
3539 retval = copyout(&lun->stats, &stats->stats[i++],
3540 sizeof(lun->stats));
3541 if (retval != 0)
3542 break;
3543 stats->fill_len += sizeof(lun->stats);
3544 }
3545 stats->num_items = softc->num_luns;
3546 stats->flags = CTL_STATS_FLAG_NONE;
3547#ifdef CTL_TIME_IO
3549#endif
3550 getnanouptime(&stats->timestamp);
3551 break;
3552 }
3553 case CTL_GET_PORT_STATS: {
3554 struct ctl_get_io_stats *stats = (struct ctl_get_io_stats *)addr;
3555 int i;
3556
3557 /*
3558 * XXX KDM no locking here. If the LUN list changes,
3559 * things can blow up.
3560 */
3561 i = 0;
3562 stats->status = CTL_SS_OK;
3563 stats->fill_len = 0;
3564 STAILQ_FOREACH(port, &softc->port_list, links) {
3565 if (port->targ_port < stats->first_item)
3566 continue;
3567 if (stats->fill_len + sizeof(port->stats) >
3568 stats->alloc_len) {
3569 stats->status = CTL_SS_NEED_MORE_SPACE;
3570 break;
3571 }
3572 retval = copyout(&port->stats, &stats->stats[i++],
3573 sizeof(port->stats));
3574 if (retval != 0)
3575 break;
3576 stats->fill_len += sizeof(port->stats);
3577 }
3578 stats->num_items = softc->num_ports;
3579 stats->flags = CTL_STATS_FLAG_NONE;
3580#ifdef CTL_TIME_IO
3582#endif
3583 getnanouptime(&stats->timestamp);
3584 break;
3585 }
3586 default: {
3587 /* XXX KDM should we fix this? */
3588#if 0
3589 struct ctl_backend_driver *backend;
3590 unsigned int type;
3591 int found;
3592
3593 found = 0;
3594
3595 /*
3596 * We encode the backend type as the ioctl type for backend
3597 * ioctls. So parse it out here, and then search for a
3598 * backend of this type.
3599 */
3600 type = _IOC_TYPE(cmd);
3601
3602 STAILQ_FOREACH(backend, &softc->be_list, links) {
3603 if (backend->type == type) {
3604 found = 1;
3605 break;
3606 }
3607 }
3608 if (found == 0) {
3609 printf("ctl: unknown ioctl command %#lx or backend "
3610 "%d\n", cmd, type);
3611 retval = EINVAL;
3612 break;
3613 }
3614 retval = backend->ioctl(dev, cmd, addr, flag, td);
3615#endif
3616 retval = ENOTTY;
3617 break;
3618 }
3619 }
3620 return (retval);
3621}
3622
3623uint32_t
3625{
3626 return (nexus->initid + (nexus->targ_port * CTL_MAX_INIT_PER_PORT));
3627}
3628
3629int
3631{
3632 struct ctl_softc *softc = port->ctl_softc;
3633 struct ctl_lun *lun;
3634 int size = ctl_lun_map_size;
3635 uint32_t i;
3636
3637 if (port->lun_map == NULL || port->lun_map_size < size) {
3638 port->lun_map_size = 0;
3639 free(port->lun_map, M_CTL);
3640 port->lun_map = malloc(size * sizeof(uint32_t),
3641 M_CTL, M_NOWAIT);
3642 }
3643 if (port->lun_map == NULL)
3644 return (ENOMEM);
3645 for (i = 0; i < size; i++)
3646 port->lun_map[i] = UINT32_MAX;
3647 port->lun_map_size = size;
3648 if (port->status & CTL_PORT_STATUS_ONLINE) {
3649 if (port->lun_disable != NULL) {
3650 STAILQ_FOREACH(lun, &softc->lun_list, links)
3651 port->lun_disable(port->targ_lun_arg, lun->lun);
3652 }
3654 }
3655 return (0);
3656}
3657
3658int
3660{
3661 struct ctl_softc *softc = port->ctl_softc;
3662 struct ctl_lun *lun;
3663
3664 if (port->lun_map == NULL)
3665 return (0);
3666 port->lun_map_size = 0;
3667 free(port->lun_map, M_CTL);
3668 port->lun_map = NULL;
3669 if (port->status & CTL_PORT_STATUS_ONLINE) {
3670 if (port->lun_enable != NULL) {
3671 STAILQ_FOREACH(lun, &softc->lun_list, links)
3672 port->lun_enable(port->targ_lun_arg, lun->lun);
3673 }
3675 }
3676 return (0);
3677}
3678
3679int
3680ctl_lun_map_set(struct ctl_port *port, uint32_t plun, uint32_t glun)
3681{
3682 int status;
3683 uint32_t old;
3684
3685 if (port->lun_map == NULL) {
3686 status = ctl_lun_map_init(port);
3687 if (status != 0)
3688 return (status);
3689 }
3690 if (plun >= port->lun_map_size)
3691 return (EINVAL);
3692 old = port->lun_map[plun];
3693 port->lun_map[plun] = glun;
3694 if ((port->status & CTL_PORT_STATUS_ONLINE) && old == UINT32_MAX) {
3695 if (port->lun_enable != NULL)
3696 port->lun_enable(port->targ_lun_arg, plun);
3698 }
3699 return (0);
3700}
3701
3702int
3703ctl_lun_map_unset(struct ctl_port *port, uint32_t plun)
3704{
3705 uint32_t old;
3706
3707 if (port->lun_map == NULL || plun >= port->lun_map_size)
3708 return (0);
3709 old = port->lun_map[plun];
3710 port->lun_map[plun] = UINT32_MAX;
3711 if ((port->status & CTL_PORT_STATUS_ONLINE) && old != UINT32_MAX) {
3712 if (port->lun_disable != NULL)
3713 port->lun_disable(port->targ_lun_arg, plun);
3715 }
3716 return (0);
3717}
3718
3719uint32_t
3720ctl_lun_map_from_port(struct ctl_port *port, uint32_t lun_id)
3721{
3722
3723 if (port == NULL)
3724 return (UINT32_MAX);
3725 if (port->lun_map == NULL)
3726 return (lun_id);
3727 if (lun_id > port->lun_map_size)
3728 return (UINT32_MAX);
3729 return (port->lun_map[lun_id]);
3730}
3731
3732uint32_t
3733ctl_lun_map_to_port(struct ctl_port *port, uint32_t lun_id)
3734{
3735 uint32_t i;
3736
3737 if (port == NULL)
3738 return (UINT32_MAX);
3739 if (port->lun_map == NULL)
3740 return (lun_id);
3741 for (i = 0; i < port->lun_map_size; i++) {
3742 if (port->lun_map[i] == lun_id)
3743 return (i);
3744 }
3745 return (UINT32_MAX);
3746}
3747
3748uint32_t
3749ctl_decode_lun(uint64_t encoded)
3750{
3751 uint8_t lun[8];
3752 uint32_t result = 0xffffffff;
3753
3754 be64enc(lun, encoded);
3755 switch (lun[0] & RPL_LUNDATA_ATYP_MASK) {
3757 if ((lun[0] & 0x3f) == 0 && lun[2] == 0 && lun[3] == 0 &&
3758 lun[4] == 0 && lun[5] == 0 && lun[6] == 0 && lun[7] == 0)
3759 result = lun[1];
3760 break;
3762 if (lun[2] == 0 && lun[3] == 0 && lun[4] == 0 && lun[5] == 0 &&
3763 lun[6] == 0 && lun[7] == 0)
3764 result = ((lun[0] & 0x3f) << 8) + lun[1];
3765 break;
3767 switch (lun[0] & RPL_LUNDATA_EXT_EAM_MASK) {
3768 case 0x02:
3769 switch (lun[0] & RPL_LUNDATA_EXT_LEN_MASK) {
3770 case 0x00:
3771 result = lun[1];
3772 break;
3773 case 0x10:
3774 result = (lun[1] << 16) + (lun[2] << 8) +
3775 lun[3];
3776 break;
3777 case 0x20:
3778 if (lun[1] == 0 && lun[6] == 0 && lun[7] == 0)
3779 result = (lun[2] << 24) +
3780 (lun[3] << 16) + (lun[4] << 8) +
3781 lun[5];
3782 break;
3783 }
3784 break;
3786 result = 0xffffffff;
3787 break;
3788 }
3789 break;
3790 }
3791 return (result);
3792}
3793
3794uint64_t
3795ctl_encode_lun(uint32_t decoded)
3796{
3797 uint64_t l = decoded;
3798
3799 if (l <= 0xff)
3800 return (((uint64_t)RPL_LUNDATA_ATYP_PERIPH << 56) | (l << 48));
3801 if (l <= 0x3fff)
3802 return (((uint64_t)RPL_LUNDATA_ATYP_FLAT << 56) | (l << 48));
3803 if (l <= 0xffffff)
3804 return (((uint64_t)(RPL_LUNDATA_ATYP_EXTLUN | 0x12) << 56) |
3805 (l << 32));
3806 return ((((uint64_t)RPL_LUNDATA_ATYP_EXTLUN | 0x22) << 56) | (l << 16));
3807}
3808
3809int
3810ctl_ffz(uint32_t *mask, uint32_t first, uint32_t last)
3811{
3812 int i;
3813
3814 for (i = first; i < last; i++) {
3815 if ((mask[i / 32] & (1 << (i % 32))) == 0)
3816 return (i);
3817 }
3818 return (-1);
3819}
3820
3821int
3822ctl_set_mask(uint32_t *mask, uint32_t bit)
3823{
3824 uint32_t chunk, piece;
3825
3826 chunk = bit >> 5;
3827 piece = bit % (sizeof(uint32_t) * 8);
3828
3829 if ((mask[chunk] & (1 << piece)) != 0)
3830 return (-1);
3831 else
3832 mask[chunk] |= (1 << piece);
3833
3834 return (0);
3835}
3836
3837int
3838ctl_clear_mask(uint32_t *mask, uint32_t bit)
3839{
3840 uint32_t chunk, piece;
3841
3842 chunk = bit >> 5;
3843 piece = bit % (sizeof(uint32_t) * 8);
3844
3845 if ((mask[chunk] & (1 << piece)) == 0)
3846 return (-1);
3847 else
3848 mask[chunk] &= ~(1 << piece);
3849
3850 return (0);
3851}
3852
3853int
3854ctl_is_set(uint32_t *mask, uint32_t bit)
3855{
3856 uint32_t chunk, piece;
3857
3858 chunk = bit >> 5;
3859 piece = bit % (sizeof(uint32_t) * 8);
3860
3861 if ((mask[chunk] & (1 << piece)) == 0)
3862 return (0);
3863 else
3864 return (1);
3865}
3866
3867static uint64_t
3868ctl_get_prkey(struct ctl_lun *lun, uint32_t residx)
3869{
3870 uint64_t *t;
3871
3872 t = lun->pr_keys[residx/CTL_MAX_INIT_PER_PORT];
3873 if (t == NULL)
3874 return (0);
3875 return (t[residx % CTL_MAX_INIT_PER_PORT]);
3876}
3877
3878static void
3879ctl_clr_prkey(struct ctl_lun *lun, uint32_t residx)
3880{
3881 uint64_t *t;
3882
3883 t = lun->pr_keys[residx/CTL_MAX_INIT_PER_PORT];
3884 if (t == NULL)
3885 return;
3886 t[residx % CTL_MAX_INIT_PER_PORT] = 0;
3887}
3888
3889static void
3890ctl_alloc_prkey(struct ctl_lun *lun, uint32_t residx)
3891{
3892 uint64_t *p;
3893 u_int i;
3894
3895 i = residx/CTL_MAX_INIT_PER_PORT;
3896 if (lun->pr_keys[i] != NULL)
3897 return;
3898 mtx_unlock(&lun->lun_lock);
3899 p = malloc(sizeof(uint64_t) * CTL_MAX_INIT_PER_PORT, M_CTL,
3900 M_WAITOK | M_ZERO);
3901 mtx_lock(&lun->lun_lock);
3902 if (lun->pr_keys[i] == NULL)
3903 lun->pr_keys[i] = p;
3904 else
3905 free(p, M_CTL);
3906}
3907
3908static void
3909ctl_set_prkey(struct ctl_lun *lun, uint32_t residx, uint64_t key)
3910{
3911 uint64_t *t;
3912
3913 t = lun->pr_keys[residx/CTL_MAX_INIT_PER_PORT];
3914 KASSERT(t != NULL, ("prkey %d is not allocated", residx));
3915 t[residx % CTL_MAX_INIT_PER_PORT] = key;
3916}
3917
3918/*
3919 * ctl_softc, pool_name, total_ctl_io are passed in.
3920 * npool is passed out.
3921 */
3922int
3923ctl_pool_create(struct ctl_softc *ctl_softc, const char *pool_name,
3924 uint32_t total_ctl_io, void **npool)
3925{
3926 struct ctl_io_pool *pool;
3927
3928 pool = (struct ctl_io_pool *)malloc(sizeof(*pool), M_CTL,
3929 M_NOWAIT | M_ZERO);
3930 if (pool == NULL)
3931 return (ENOMEM);
3932
3933 snprintf(pool->name, sizeof(pool->name), "CTL IO %s", pool_name);
3934 pool->ctl_softc = ctl_softc;
3935#ifdef IO_POOLS
3936 pool->zone = uma_zsecond_create(pool->name, NULL,
3937 NULL, NULL, NULL, ctl_softc->io_zone);
3938 /* uma_prealloc(pool->zone, total_ctl_io); */
3939#else
3940 pool->zone = ctl_softc->io_zone;
3941#endif
3942
3943 *npool = pool;
3944 return (0);
3945}
3946
3947void
3949{
3950
3951 if (pool == NULL)
3952 return;
3953
3954#ifdef IO_POOLS
3955 uma_zdestroy(pool->zone);
3956#endif
3957 free(pool, M_CTL);
3958}
3959
3960union ctl_io *
3961ctl_alloc_io(void *pool_ref)
3962{
3963 struct ctl_io_pool *pool = (struct ctl_io_pool *)pool_ref;
3964 union ctl_io *io;
3965
3966 io = uma_zalloc(pool->zone, M_WAITOK);
3967 if (io != NULL) {
3968 io->io_hdr.pool = pool_ref;
3969 CTL_SOFTC(io) = pool->ctl_softc;
3970 TAILQ_INIT(&io->io_hdr.blocked_queue);
3971 }
3972 return (io);
3973}
3974
3975union ctl_io *
3976ctl_alloc_io_nowait(void *pool_ref)
3977{
3978 struct ctl_io_pool *pool = (struct ctl_io_pool *)pool_ref;
3979 union ctl_io *io;
3980
3981 io = uma_zalloc(pool->zone, M_NOWAIT);
3982 if (io != NULL) {
3983 io->io_hdr.pool = pool_ref;
3984 CTL_SOFTC(io) = pool->ctl_softc;
3985 TAILQ_INIT(&io->io_hdr.blocked_queue);
3986 }
3987 return (io);
3988}
3989
3990void
3992{
3993 struct ctl_io_pool *pool;
3994
3995 if (io == NULL)
3996 return;
3997
3998 pool = (struct ctl_io_pool *)io->io_hdr.pool;
3999 uma_zfree(pool->zone, io);
4000}
4001
4002void
4004{
4005 struct ctl_io_pool *pool;
4006
4007 if (io == NULL)
4008 return;
4009
4010 /*
4011 * May need to preserve linked list pointers at some point too.
4012 */
4013 pool = io->io_hdr.pool;
4014 memset(io, 0, sizeof(*io));
4015 io->io_hdr.pool = pool;
4016 CTL_SOFTC(io) = pool->ctl_softc;
4017 TAILQ_INIT(&io->io_hdr.blocked_queue);
4018}
4019
4020int
4021ctl_expand_number(const char *buf, uint64_t *num)
4022{
4023 char *endptr;
4024 uint64_t number;
4025 unsigned shift;
4026
4027 number = strtoq(buf, &endptr, 0);
4028
4029 switch (tolower((unsigned char)*endptr)) {
4030 case 'e':
4031 shift = 60;
4032 break;
4033 case 'p':
4034 shift = 50;
4035 break;
4036 case 't':
4037 shift = 40;
4038 break;
4039 case 'g':
4040 shift = 30;
4041 break;
4042 case 'm':
4043 shift = 20;
4044 break;
4045 case 'k':
4046 shift = 10;
4047 break;
4048 case 'b':
4049 case '\0': /* No unit. */
4050 *num = number;
4051 return (0);
4052 default:
4053 /* Unrecognized unit. */
4054 return (-1);
4055 }
4056
4057 if ((number << shift) >> shift != number) {
4058 /* Overflow */
4059 return (-1);
4060 }
4061 *num = number << shift;
4062 return (0);
4063}
4064
4065/*
4066 * This routine could be used in the future to load default and/or saved
4067 * mode page parameters for a particuar lun.
4068 */
4069static int
4071{
4072 int i, page_code;
4073 struct ctl_page_index *page_index;
4074 const char *value;
4075 uint64_t ival;
4076
4077 memcpy(&lun->mode_pages.index, page_index_template,
4078 sizeof(page_index_template));
4079
4080 for (i = 0; i < CTL_NUM_MODE_PAGES; i++) {
4081 page_index = &lun->mode_pages.index[i];
4082 if (lun->be_lun->lun_type == T_DIRECT &&
4083 (page_index->page_flags & CTL_PAGE_FLAG_DIRECT) == 0)
4084 continue;
4085 if (lun->be_lun->lun_type == T_PROCESSOR &&
4086 (page_index->page_flags & CTL_PAGE_FLAG_PROC) == 0)
4087 continue;
4088 if (lun->be_lun->lun_type == T_CDROM &&
4089 (page_index->page_flags & CTL_PAGE_FLAG_CDROM) == 0)
4090 continue;
4091
4092 page_code = page_index->page_code & SMPH_PC_MASK;
4093 switch (page_code) {
4095 KASSERT(page_index->subpage == SMS_SUBPAGE_PAGE_0,
4096 ("subpage %#x for page %#x is incorrect!",
4097 page_index->subpage, page_code));
4100 sizeof(rw_er_page_default));
4103 sizeof(rw_er_page_changeable));
4106 sizeof(rw_er_page_default));
4107 memcpy(&lun->mode_pages.rw_er_page[CTL_PAGE_SAVED],
4109 sizeof(rw_er_page_default));
4110 page_index->page_data =
4111 (uint8_t *)lun->mode_pages.rw_er_page;
4112 break;
4113 }
4115 struct scsi_format_page *format_page;
4116
4117 KASSERT(page_index->subpage == SMS_SUBPAGE_PAGE_0,
4118 ("subpage %#x for page %#x is incorrect!",
4119 page_index->subpage, page_code));
4120
4121 /*
4122 * Sectors per track are set above. Bytes per
4123 * sector need to be set here on a per-LUN basis.
4124 */
4127 sizeof(format_page_default));
4128 memcpy(&lun->mode_pages.format_page[
4130 sizeof(format_page_changeable));
4133 sizeof(format_page_default));
4136 sizeof(format_page_default));
4137
4138 format_page = &lun->mode_pages.format_page[
4141 format_page->bytes_per_sector);
4142
4143 format_page = &lun->mode_pages.format_page[
4146 format_page->bytes_per_sector);
4147
4148 format_page = &lun->mode_pages.format_page[
4151 format_page->bytes_per_sector);
4152
4153 page_index->page_data =
4154 (uint8_t *)lun->mode_pages.format_page;
4155 break;
4156 }
4157 case SMS_RIGID_DISK_PAGE: {
4158 struct scsi_rigid_disk_page *rigid_disk_page;
4159 uint32_t sectors_per_cylinder;
4160 uint64_t cylinders;
4161#ifndef __XSCALE__
4162 int shift;
4163#endif /* !__XSCALE__ */
4164
4165 KASSERT(page_index->subpage == SMS_SUBPAGE_PAGE_0,
4166 ("subpage %#x for page %#x is incorrect!",
4167 page_index->subpage, page_code));
4168
4169 /*
4170 * Rotation rate and sectors per track are set
4171 * above. We calculate the cylinders here based on
4172 * capacity. Due to the number of heads and
4173 * sectors per track we're using, smaller arrays
4174 * may turn out to have 0 cylinders. Linux and
4175 * FreeBSD don't pay attention to these mode pages
4176 * to figure out capacity, but Solaris does. It
4177 * seems to deal with 0 cylinders just fine, and
4178 * works out a fake geometry based on the capacity.
4179 */
4180 memcpy(&lun->mode_pages.rigid_disk_page[
4182 sizeof(rigid_disk_page_default));
4183 memcpy(&lun->mode_pages.rigid_disk_page[
4186
4187 sectors_per_cylinder = CTL_DEFAULT_SECTORS_PER_TRACK *
4189
4190 /*
4191 * The divide method here will be more accurate,
4192 * probably, but results in floating point being
4193 * used in the kernel on i386 (__udivdi3()). On the
4194 * XScale, though, __udivdi3() is implemented in
4195 * software.
4196 *
4197 * The shift method for cylinder calculation is
4198 * accurate if sectors_per_cylinder is a power of
4199 * 2. Otherwise it might be slightly off -- you
4200 * might have a bit of a truncation problem.
4201 */
4202#ifdef __XSCALE__
4203 cylinders = (lun->be_lun->maxlba + 1) /
4204 sectors_per_cylinder;
4205#else
4206 for (shift = 31; shift > 0; shift--) {
4207 if (sectors_per_cylinder & (1 << shift))
4208 break;
4209 }
4210 cylinders = (lun->be_lun->maxlba + 1) >> shift;
4211#endif
4212
4213 /*
4214 * We've basically got 3 bytes, or 24 bits for the
4215 * cylinder size in the mode page. If we're over,
4216 * just round down to 2^24.
4217 */
4218 if (cylinders > 0xffffff)
4219 cylinders = 0xffffff;
4220
4221 rigid_disk_page = &lun->mode_pages.rigid_disk_page[
4223 scsi_ulto3b(cylinders, rigid_disk_page->cylinders);
4224
4225 if ((value = dnvlist_get_string(lun->be_lun->options,
4226 "rpm", NULL)) != NULL) {
4227 scsi_ulto2b(strtol(value, NULL, 0),
4228 rigid_disk_page->rotation_rate);
4229 }
4230
4233 sizeof(rigid_disk_page_default));
4236 sizeof(rigid_disk_page_default));
4237
4238 page_index->page_data =
4239 (uint8_t *)lun->mode_pages.rigid_disk_page;
4240 break;
4241 }
4243 KASSERT(page_index->subpage == SMS_SUBPAGE_PAGE_0,
4244 ("subpage %#x for page %#x is incorrect!",
4245 page_index->subpage, page_code));
4248 sizeof(verify_er_page_default));
4254 sizeof(verify_er_page_default));
4257 sizeof(verify_er_page_default));
4258 page_index->page_data =
4259 (uint8_t *)lun->mode_pages.verify_er_page;
4260 break;
4261 }
4262 case SMS_CACHING_PAGE: {
4263 struct scsi_caching_page *caching_page;
4264
4265 KASSERT(page_index->subpage == SMS_SUBPAGE_PAGE_0,
4266 ("subpage %#x for page %#x is incorrect!",
4267 page_index->subpage, page_code));
4270 sizeof(caching_page_default));
4271 memcpy(&lun->mode_pages.caching_page[
4273 sizeof(caching_page_changeable));
4276 sizeof(caching_page_default));
4277 caching_page = &lun->mode_pages.caching_page[
4279 value = dnvlist_get_string(lun->be_lun->options,
4280 "writecache", NULL);
4281 if (value != NULL && strcmp(value, "off") == 0)
4282 caching_page->flags1 &= ~SCP_WCE;
4283 value = dnvlist_get_string(lun->be_lun->options,
4284 "readcache", NULL);
4285 if (value != NULL && strcmp(value, "off") == 0)
4286 caching_page->flags1 |= SCP_RCD;
4289 sizeof(caching_page_default));
4290 page_index->page_data =
4291 (uint8_t *)lun->mode_pages.caching_page;
4292 break;
4293 }
4294 case SMS_CONTROL_MODE_PAGE: {
4295 switch (page_index->subpage) {
4296 case SMS_SUBPAGE_PAGE_0: {
4297 struct scsi_control_page *control_page;
4298
4299 memcpy(&lun->mode_pages.control_page[
4302 sizeof(control_page_default));
4303 memcpy(&lun->mode_pages.control_page[
4306 sizeof(control_page_changeable));
4307 memcpy(&lun->mode_pages.control_page[
4310 sizeof(control_page_default));
4311 control_page = &lun->mode_pages.control_page[
4313 value = dnvlist_get_string(lun->be_lun->options,
4314 "reordering", NULL);
4315 if (value != NULL &&
4316 strcmp(value, "unrestricted") == 0) {
4317 control_page->queue_flags &=
4318 ~SCP_QUEUE_ALG_MASK;
4319 control_page->queue_flags |=
4321 }
4322 memcpy(&lun->mode_pages.control_page[
4326 sizeof(control_page_default));
4327 page_index->page_data =
4328 (uint8_t *)lun->mode_pages.control_page;
4329 break;
4330 }
4331 case 0x01:
4332 memcpy(&lun->mode_pages.control_ext_page[
4335 sizeof(control_ext_page_default));
4336 memcpy(&lun->mode_pages.control_ext_page[
4340 memcpy(&lun->mode_pages.control_ext_page[
4343 sizeof(control_ext_page_default));
4344 memcpy(&lun->mode_pages.control_ext_page[
4348 sizeof(control_ext_page_default));
4349 page_index->page_data =
4350 (uint8_t *)lun->mode_pages.control_ext_page;
4351 break;
4352 default:
4353 panic("subpage %#x for page %#x is incorrect!",
4354 page_index->subpage, page_code);
4355 }
4356 break;
4357 }
4359 switch (page_index->subpage) {
4360 case SMS_SUBPAGE_PAGE_0:
4361 memcpy(&lun->mode_pages.ie_page[CTL_PAGE_CURRENT],
4363 sizeof(ie_page_default));
4364 memcpy(&lun->mode_pages.ie_page[
4366 sizeof(ie_page_changeable));
4367 memcpy(&lun->mode_pages.ie_page[CTL_PAGE_DEFAULT],
4369 sizeof(ie_page_default));
4370 memcpy(&lun->mode_pages.ie_page[CTL_PAGE_SAVED],
4372 sizeof(ie_page_default));
4373 page_index->page_data =
4374 (uint8_t *)lun->mode_pages.ie_page;
4375 break;
4376 case 0x02: {
4378
4379 memcpy(&lun->mode_pages.lbp_page[CTL_PAGE_DEFAULT],
4381 sizeof(lbp_page_default));
4382 memcpy(&lun->mode_pages.lbp_page[
4384 sizeof(lbp_page_changeable));
4385 memcpy(&lun->mode_pages.lbp_page[CTL_PAGE_SAVED],
4387 sizeof(lbp_page_default));
4388 page = &lun->mode_pages.lbp_page[CTL_PAGE_SAVED];
4389 value = dnvlist_get_string(lun->be_lun->options,
4390 "avail-threshold", NULL);
4391 if (value != NULL &&
4392 ctl_expand_number(value, &ival) == 0) {
4393 page->descr[0].flags |= SLBPPD_ENABLED |
4395 if (lun->be_lun->blocksize)
4396 ival /= lun->be_lun->blocksize;
4397 else
4398 ival /= 512;
4400 page->descr[0].count);
4401 }
4402 value = dnvlist_get_string(lun->be_lun->options,
4403 "used-threshold", NULL);
4404 if (value != NULL &&
4405 ctl_expand_number(value, &ival) == 0) {
4406 page->descr[1].flags |= SLBPPD_ENABLED |
4408 if (lun->be_lun->blocksize)
4409 ival /= lun->be_lun->blocksize;
4410 else
4411 ival /= 512;
4413 page->descr[1].count);
4414 }
4415 value = dnvlist_get_string(lun->be_lun->options,
4416 "pool-avail-threshold", NULL);
4417 if (value != NULL &&
4418 ctl_expand_number(value, &ival) == 0) {
4419 page->descr[2].flags |= SLBPPD_ENABLED |
4421 if (lun->be_lun->blocksize)
4422 ival /= lun->be_lun->blocksize;
4423 else
4424 ival /= 512;
4426 page->descr[2].count);
4427 }
4428 value = dnvlist_get_string(lun->be_lun->options,
4429 "pool-used-threshold", NULL);
4430 if (value != NULL &&
4431 ctl_expand_number(value, &ival) == 0) {
4432 page->descr[3].flags |= SLBPPD_ENABLED |
4434 if (lun->be_lun->blocksize)
4435 ival /= lun->be_lun->blocksize;
4436 else
4437 ival /= 512;
4439 page->descr[3].count);
4440 }
4441 memcpy(&lun->mode_pages.lbp_page[CTL_PAGE_CURRENT],
4443 sizeof(lbp_page_default));
4444 page_index->page_data =
4445 (uint8_t *)lun->mode_pages.lbp_page;
4446 break;
4447 }
4448 default:
4449 panic("subpage %#x for page %#x is incorrect!",
4450 page_index->subpage, page_code);
4451 }
4452 break;
4453 }
4454 case SMS_CDDVD_CAPS_PAGE:{
4455 KASSERT(page_index->subpage == SMS_SUBPAGE_PAGE_0,
4456 ("subpage %#x for page %#x is incorrect!",
4457 page_index->subpage, page_code));
4460 sizeof(cddvd_page_default));
4461 memcpy(&lun->mode_pages.cddvd_page[
4463 sizeof(cddvd_page_changeable));
4464 memcpy(&lun->mode_pages.cddvd_page[CTL_PAGE_SAVED],
4466 sizeof(cddvd_page_default));
4469 sizeof(cddvd_page_default));
4470 page_index->page_data =
4471 (uint8_t *)lun->mode_pages.cddvd_page;
4472 break;
4473 }
4474 default:
4475 panic("invalid page code value %#x", page_code);
4476 }
4477 }
4478
4479 return (CTL_RETVAL_COMPLETE);
4480}
4481
4482static int
4484{
4485 struct ctl_page_index *page_index;
4486 int i, j, k, prev;
4487
4489 sizeof(log_page_index_template));
4490
4491 prev = -1;
4492 for (i = 0, j = 0, k = 0; i < CTL_NUM_LOG_PAGES; i++) {
4493 page_index = &lun->log_pages.index[i];
4494 if (lun->be_lun->lun_type == T_DIRECT &&
4495 (page_index->page_flags & CTL_PAGE_FLAG_DIRECT) == 0)
4496 continue;
4497 if (lun->be_lun->lun_type == T_PROCESSOR &&
4498 (page_index->page_flags & CTL_PAGE_FLAG_PROC) == 0)
4499 continue;
4500 if (lun->be_lun->lun_type == T_CDROM &&
4501 (page_index->page_flags & CTL_PAGE_FLAG_CDROM) == 0)
4502 continue;
4503
4504 if (page_index->page_code == SLS_LOGICAL_BLOCK_PROVISIONING &&
4505 lun->backend->lun_attr == NULL)
4506 continue;
4507
4508 if (page_index->page_code != prev) {
4509 lun->log_pages.pages_page[j] = page_index->page_code;
4510 prev = page_index->page_code;
4511 j++;
4512 }
4513 lun->log_pages.subpages_page[k*2] = page_index->page_code;
4514 lun->log_pages.subpages_page[k*2+1] = page_index->subpage;
4515 k++;
4516 }
4517 lun->log_pages.index[0].page_data = &lun->log_pages.pages_page[0];
4518 lun->log_pages.index[0].page_len = j;
4519 lun->log_pages.index[1].page_data = &lun->log_pages.subpages_page[0];
4520 lun->log_pages.index[1].page_len = k * 2;
4521 lun->log_pages.index[2].page_data = (uint8_t *)&lun->log_pages.temp_page;
4522 lun->log_pages.index[2].page_len = sizeof(lun->log_pages.temp_page);
4523 lun->log_pages.index[3].page_data = &lun->log_pages.lbp_page[0];
4525 lun->log_pages.index[4].page_data = (uint8_t *)&lun->log_pages.stat_page;
4526 lun->log_pages.index[4].page_len = sizeof(lun->log_pages.stat_page);
4527 lun->log_pages.index[5].page_data = (uint8_t *)&lun->log_pages.ie_page;
4528 lun->log_pages.index[5].page_len = sizeof(lun->log_pages.ie_page);
4529
4530 return (CTL_RETVAL_COMPLETE);
4531}
4532
4533static int
4534hex2bin(const char *str, uint8_t *buf, int buf_size)
4535{
4536 int i;
4537 u_char c;
4538
4539 memset(buf, 0, buf_size);
4540 while (isspace(str[0]))
4541 str++;
4542 if (str[0] == '0' && (str[1] == 'x' || str[1] == 'X'))
4543 str += 2;
4544 buf_size *= 2;
4545 for (i = 0; str[i] != 0 && i < buf_size; i++) {
4546 while (str[i] == '-') /* Skip dashes in UUIDs. */
4547 str++;
4548 c = str[i];
4549 if (isdigit(c))
4550 c -= '0';
4551 else if (isalpha(c))
4552 c -= isupper(c) ? 'A' - 10 : 'a' - 10;
4553 else
4554 break;
4555 if (c >= 16)
4556 break;
4557 if ((i & 1) == 0)
4558 buf[i / 2] |= (c << 4);
4559 else
4560 buf[i / 2] |= c;
4561 }
4562 return ((i + 1) / 2);
4563}
4564
4565/*
4566 * Add LUN.
4567 *
4568 * Returns 0 for success, non-zero (errno) for failure.
4569 */
4570int
4572{
4574 struct ctl_lun *nlun, *lun;
4575 struct scsi_vpd_id_descriptor *desc;
4576 struct scsi_vpd_id_t10 *t10id;
4577 const char *eui, *naa, *scsiname, *uuid, *vendor, *value;
4578 int lun_number;
4579 int devidlen, idlen1, idlen2 = 0, len;
4580
4581 /*
4582 * We support only Direct Access, CD-ROM or Processor LUN types.
4583 */
4584 switch (be_lun->lun_type) {
4585 case T_DIRECT:
4586 case T_PROCESSOR:
4587 case T_CDROM:
4588 break;
4589 case T_SEQUENTIAL:
4590 case T_CHANGER:
4591 default:
4592 return (EINVAL);
4593 }
4594 lun = malloc(sizeof(*lun), M_CTL, M_WAITOK | M_ZERO);
4595
4596 lun->pending_sense = malloc(sizeof(struct scsi_sense_data *) *
4597 ctl_max_ports, M_DEVBUF, M_WAITOK | M_ZERO);
4598 lun->pending_ua = malloc(sizeof(ctl_ua_type *) * ctl_max_ports,
4599 M_DEVBUF, M_WAITOK | M_ZERO);
4600 lun->pr_keys = malloc(sizeof(uint64_t *) * ctl_max_ports,
4601 M_DEVBUF, M_WAITOK | M_ZERO);
4602
4603 /* Generate LUN ID. */
4604 devidlen = max(CTL_DEVID_MIN_LEN,
4605 strnlen(be_lun->device_id, CTL_DEVID_LEN));
4606 idlen1 = sizeof(*t10id) + devidlen;
4607 len = sizeof(struct scsi_vpd_id_descriptor) + idlen1;
4608 scsiname = dnvlist_get_string(be_lun->options, "scsiname", NULL);
4609 if (scsiname != NULL) {
4610 idlen2 = roundup2(strlen(scsiname) + 1, 4);
4611 len += sizeof(struct scsi_vpd_id_descriptor) + idlen2;
4612 }
4613 eui = dnvlist_get_string(be_lun->options, "eui", NULL);
4614 if (eui != NULL) {
4615 len += sizeof(struct scsi_vpd_id_descriptor) + 16;
4616 }
4617 naa = dnvlist_get_string(be_lun->options, "naa", NULL);
4618 if (naa != NULL) {
4619 len += sizeof(struct scsi_vpd_id_descriptor) + 16;
4620 }
4621 uuid = dnvlist_get_string(be_lun->options, "uuid", NULL);
4622 if (uuid != NULL) {
4623 len += sizeof(struct scsi_vpd_id_descriptor) + 18;
4624 }
4625 lun->lun_devid = malloc(sizeof(struct ctl_devid) + len,
4626 M_CTL, M_WAITOK | M_ZERO);
4627 desc = (struct scsi_vpd_id_descriptor *)lun->lun_devid->data;
4630 desc->length = idlen1;
4631 t10id = (struct scsi_vpd_id_t10 *)&desc->identifier[0];
4632 memset(t10id->vendor, ' ', sizeof(t10id->vendor));
4633 if ((vendor = dnvlist_get_string(be_lun->options, "vendor", NULL)) == NULL) {
4634 strncpy((char *)t10id->vendor, CTL_VENDOR, sizeof(t10id->vendor));
4635 } else {
4636 strncpy(t10id->vendor, vendor,
4637 min(sizeof(t10id->vendor), strlen(vendor)));
4638 }
4639 strncpy((char *)t10id->vendor_spec_id,
4640 (char *)be_lun->device_id, devidlen);
4641 if (scsiname != NULL) {
4642 desc = (struct scsi_vpd_id_descriptor *)(&desc->identifier[0] +
4643 desc->length);
4647 desc->length = idlen2;
4648 strlcpy(desc->identifier, scsiname, idlen2);
4649 }
4650 if (eui != NULL) {
4651 desc = (struct scsi_vpd_id_descriptor *)(&desc->identifier[0] +
4652 desc->length);
4656 desc->length = hex2bin(eui, desc->identifier, 16);
4657 desc->length = desc->length > 12 ? 16 :
4658 (desc->length > 8 ? 12 : 8);
4659 len -= 16 - desc->length;
4660 }
4661 if (naa != NULL) {
4662 desc = (struct scsi_vpd_id_descriptor *)(&desc->identifier[0] +
4663 desc->length);
4667 desc->length = hex2bin(naa, desc->identifier, 16);
4668 desc->length = desc->length > 8 ? 16 : 8;
4669 len -= 16 - desc->length;
4670 }
4671 if (uuid != NULL) {
4672 desc = (struct scsi_vpd_id_descriptor *)(&desc->identifier[0] +
4673 desc->length);
4677 desc->identifier[0] = 0x10;
4678 hex2bin(uuid, &desc->identifier[2], 16);
4679 desc->length = 18;
4680 }
4681 lun->lun_devid->len = len;
4682
4683 mtx_lock(&ctl_softc->ctl_lock);
4684 /*
4685 * See if the caller requested a particular LUN number. If so, see
4686 * if it is available. Otherwise, allocate the first available LUN.
4687 */
4688 if (be_lun->flags & CTL_LUN_FLAG_ID_REQ) {
4689 if ((be_lun->req_lun_id > (ctl_max_luns - 1))
4690 || (ctl_is_set(ctl_softc->ctl_lun_mask, be_lun->req_lun_id))) {
4691 mtx_unlock(&ctl_softc->ctl_lock);
4692 if (be_lun->req_lun_id > (ctl_max_luns - 1)) {
4693 printf("ctl: requested LUN ID %d is higher "
4694 "than ctl_max_luns - 1 (%d)\n",
4695 be_lun->req_lun_id, ctl_max_luns - 1);
4696 } else {
4697 /*
4698 * XXX KDM return an error, or just assign
4699 * another LUN ID in this case??
4700 */
4701 printf("ctl: requested LUN ID %d is already "
4702 "in use\n", be_lun->req_lun_id);
4703 }
4704fail:
4705 free(lun->lun_devid, M_CTL);
4706 free(lun, M_CTL);
4707 return (ENOSPC);
4708 }
4709 lun_number = be_lun->req_lun_id;
4710 } else {
4711 lun_number = ctl_ffz(ctl_softc->ctl_lun_mask, 0, ctl_max_luns);
4712 if (lun_number == -1) {
4713 mtx_unlock(&ctl_softc->ctl_lock);
4714 printf("ctl: can't allocate LUN, out of LUNs\n");
4715 goto fail;
4716 }
4717 }
4718 ctl_set_mask(ctl_softc->ctl_lun_mask, lun_number);
4719 mtx_unlock(&ctl_softc->ctl_lock);
4720
4721 mtx_init(&lun->lun_lock, "CTL LUN", NULL, MTX_DEF);
4722 lun->lun = lun_number;
4723 lun->be_lun = be_lun;
4724 /*
4725 * The processor LUN is always enabled. Disk LUNs come on line
4726 * disabled, and must be enabled by the backend.
4727 */
4728 lun->flags |= CTL_LUN_DISABLED;
4729 lun->backend = be_lun->be;
4730 be_lun->ctl_lun = lun;
4731 be_lun->lun_id = lun_number;
4732 if (be_lun->flags & CTL_LUN_FLAG_EJECTED)
4733 lun->flags |= CTL_LUN_EJECTED;
4734 if (be_lun->flags & CTL_LUN_FLAG_NO_MEDIA)
4735 lun->flags |= CTL_LUN_NO_MEDIA;
4736 if (be_lun->flags & CTL_LUN_FLAG_STOPPED)
4737 lun->flags |= CTL_LUN_STOPPED;
4738
4739 if (be_lun->flags & CTL_LUN_FLAG_PRIMARY)
4740 lun->flags |= CTL_LUN_PRIMARY_SC;
4741
4742 value = dnvlist_get_string(be_lun->options, "removable", NULL);
4743 if (value != NULL) {
4744 if (strcmp(value, "on") == 0)
4745 lun->flags |= CTL_LUN_REMOVABLE;
4746 } else if (be_lun->lun_type == T_CDROM)
4747 lun->flags |= CTL_LUN_REMOVABLE;
4748
4749 lun->ctl_softc = ctl_softc;
4750#ifdef CTL_TIME_IO
4751 lun->last_busy = getsbinuptime();
4752#endif
4753 LIST_INIT(&lun->ooa_queue);
4754 STAILQ_INIT(&lun->error_list);
4755 lun->ie_reported = 1;
4756 callout_init_mtx(&lun->ie_callout, &lun->lun_lock, 0);
4757 ctl_tpc_lun_init(lun);
4758 if (lun->flags & CTL_LUN_REMOVABLE) {
4759 lun->prevent = malloc((CTL_MAX_INITIATORS + 31) / 32 * 4,
4760 M_CTL, M_WAITOK);
4761 }
4762
4763 /*
4764 * Initialize the mode and log page index.
4765 */
4768
4769 /* Setup statistics gathering */
4770 lun->stats.item = lun_number;
4771
4772 /*
4773 * Now, before we insert this lun on the lun list, set the lun
4774 * inventory changed UA for all other luns.
4775 */
4776 mtx_lock(&ctl_softc->ctl_lock);
4777 STAILQ_FOREACH(nlun, &ctl_softc->lun_list, links) {
4778 mtx_lock(&nlun->lun_lock);
4780 mtx_unlock(&nlun->lun_lock);
4781 }
4782 STAILQ_INSERT_TAIL(&ctl_softc->lun_list, lun, links);
4783 ctl_softc->ctl_luns[lun_number] = lun;
4785 mtx_unlock(&ctl_softc->ctl_lock);
4786
4787 /*
4788 * We successfully added the LUN, attempt to enable it.
4789 */
4790 if (ctl_enable_lun(lun) != 0) {
4791 printf("%s: ctl_enable_lun() failed!\n", __func__);
4792 mtx_lock(&ctl_softc->ctl_lock);
4793 STAILQ_REMOVE(&ctl_softc->lun_list, lun, ctl_lun, links);
4795 ctl_softc->ctl_luns[lun_number] = NULL;
4797 mtx_unlock(&ctl_softc->ctl_lock);
4798 free(lun->lun_devid, M_CTL);
4799 free(lun, M_CTL);
4800 return (EIO);
4801 }
4802
4803 return (0);
4804}
4805
4806/*
4807 * Free LUN that has no active requests.
4808 */
4809static int
4811{
4812 struct ctl_softc *softc = lun->ctl_softc;
4813 struct ctl_lun *nlun;
4814 int i;
4815
4816 KASSERT(LIST_EMPTY(&lun->ooa_queue),
4817 ("Freeing a LUN %p with outstanding I/O!\n", lun));
4818
4819 mtx_lock(&softc->ctl_lock);
4820 STAILQ_REMOVE(&softc->lun_list, lun, ctl_lun, links);
4821 ctl_clear_mask(softc->ctl_lun_mask, lun->lun);
4822 softc->ctl_luns[lun->lun] = NULL;
4823 softc->num_luns--;
4824 STAILQ_FOREACH(nlun, &softc->lun_list, links) {
4825 mtx_lock(&nlun->lun_lock);
4827 mtx_unlock(&nlun->lun_lock);
4828 }
4829 mtx_unlock(&softc->ctl_lock);
4830
4831 /*
4832 * Tell the backend to free resources, if this LUN has a backend.
4833 */
4834 lun->be_lun->lun_shutdown(lun->be_lun);
4835
4836 lun->ie_reportcnt = UINT32_MAX;
4837 callout_drain(&lun->ie_callout);
4839 mtx_destroy(&lun->lun_lock);
4840 free(lun->lun_devid, M_CTL);
4841 for (i = 0; i < ctl_max_ports; i++)
4842 free(lun->pending_ua[i], M_CTL);
4843 free(lun->pending_ua, M_DEVBUF);
4844 for (i = 0; i < ctl_max_ports; i++)
4845 free(lun->pr_keys[i], M_CTL);
4846 free(lun->pr_keys, M_DEVBUF);
4847 free(lun->write_buffer, M_CTL);
4848 free(lun->prevent, M_CTL);
4849 free(lun, M_CTL);
4850
4851 return (0);
4852}
4853
4854static int
4856{
4857 struct ctl_softc *softc;
4858 struct ctl_port *port, *nport;
4859 int retval;
4860
4861 softc = lun->ctl_softc;
4862
4863 mtx_lock(&softc->ctl_lock);
4864 mtx_lock(&lun->lun_lock);
4865 KASSERT((lun->flags & CTL_LUN_DISABLED) != 0,
4866 ("%s: LUN not disabled", __func__));
4867 lun->flags &= ~CTL_LUN_DISABLED;
4868 mtx_unlock(&lun->lun_lock);
4869
4870 STAILQ_FOREACH_SAFE(port, &softc->port_list, links, nport) {
4871 if ((port->status & CTL_PORT_STATUS_ONLINE) == 0 ||
4872 port->lun_map != NULL || port->lun_enable == NULL)
4873 continue;
4874
4875 /*
4876 * Drop the lock while we call the FETD's enable routine.
4877 * This can lead to a callback into CTL (at least in the
4878 * case of the internal initiator frontend.
4879 */
4880 mtx_unlock(&softc->ctl_lock);
4881 retval = port->lun_enable(port->targ_lun_arg, lun->lun);
4882 mtx_lock(&softc->ctl_lock);
4883 if (retval != 0) {
4884 printf("%s: FETD %s port %d returned error "
4885 "%d for lun_enable on lun %jd\n",
4886 __func__, port->port_name, port->targ_port,
4887 retval, (intmax_t)lun->lun);
4888 }
4889 }
4890
4891 mtx_unlock(&softc->ctl_lock);
4893
4894 return (0);
4895}
4896
4897static int
4899{
4900 struct ctl_softc *softc;
4901 struct ctl_port *port;
4902 int retval;
4903
4904 softc = lun->ctl_softc;
4905
4906 mtx_lock(&softc->ctl_lock);
4907 mtx_lock(&lun->lun_lock);
4908 KASSERT((lun->flags & CTL_LUN_DISABLED) == 0,
4909 ("%s: LUN not enabled", __func__));
4910 lun->flags |= CTL_LUN_DISABLED;
4911 mtx_unlock(&lun->lun_lock);
4912
4913 STAILQ_FOREACH(port, &softc->port_list, links) {
4914 if ((port->status & CTL_PORT_STATUS_ONLINE) == 0 ||
4915 port->lun_map != NULL || port->lun_disable == NULL)
4916 continue;
4917
4918 /*
4919 * Drop the lock before we call the frontend's disable
4920 * routine, to avoid lock order reversals.
4921 *
4922 * XXX KDM what happens if the frontend list changes while
4923 * we're traversing it? It's unlikely, but should be handled.
4924 */
4925 mtx_unlock(&softc->ctl_lock);
4926 retval = port->lun_disable(port->targ_lun_arg, lun->lun);
4927 mtx_lock(&softc->ctl_lock);
4928 if (retval != 0) {
4929 printf("%s: FETD %s port %d returned error "
4930 "%d for lun_disable on lun %jd\n",
4931 __func__, port->port_name, port->targ_port,
4932 retval, (intmax_t)lun->lun);
4933 }
4934 }
4935
4936 mtx_unlock(&softc->ctl_lock);
4938
4939 return (0);
4940}
4941
4942int
4944{
4945 struct ctl_lun *lun = (struct ctl_lun *)be_lun->ctl_lun;
4946
4947 mtx_lock(&lun->lun_lock);
4948 lun->flags &= ~CTL_LUN_STOPPED;
4949 mtx_unlock(&lun->lun_lock);
4950 return (0);
4951}
4952
4953int
4955{
4956 struct ctl_lun *lun = (struct ctl_lun *)be_lun->ctl_lun;
4957
4958 mtx_lock(&lun->lun_lock);
4959 lun->flags |= CTL_LUN_STOPPED;
4960 mtx_unlock(&lun->lun_lock);
4961 return (0);
4962}
4963
4964int
4966{
4967 struct ctl_lun *lun = (struct ctl_lun *)be_lun->ctl_lun;
4968
4969 mtx_lock(&lun->lun_lock);
4970 lun->flags |= CTL_LUN_NO_MEDIA;
4971 mtx_unlock(&lun->lun_lock);
4972 return (0);
4973}
4974
4975int
4977{
4978 struct ctl_lun *lun = (struct ctl_lun *)be_lun->ctl_lun;
4979 union ctl_ha_msg msg;
4980
4981 mtx_lock(&lun->lun_lock);
4982 lun->flags &= ~(CTL_LUN_NO_MEDIA | CTL_LUN_EJECTED);
4983 if (lun->flags & CTL_LUN_REMOVABLE)
4985 mtx_unlock(&lun->lun_lock);
4986 if ((lun->flags & CTL_LUN_REMOVABLE) &&
4987 lun->ctl_softc->ha_mode == CTL_HA_MODE_XFER) {
4988 bzero(&msg.ua, sizeof(msg.ua));
4989 msg.hdr.msg_type = CTL_MSG_UA;
4990 msg.hdr.nexus.initid = -1;
4991 msg.hdr.nexus.targ_port = -1;
4992 msg.hdr.nexus.targ_lun = lun->lun;
4993 msg.hdr.nexus.targ_mapped_lun = lun->lun;
4994 msg.ua.ua_all = 1;
4995 msg.ua.ua_set = 1;
4996 msg.ua.ua_type = CTL_UA_MEDIUM_CHANGE;
4997 ctl_ha_msg_send(CTL_HA_CHAN_CTL, &msg, sizeof(msg.ua),
4998 M_WAITOK);
4999 }
5000 return (0);
5001}
5002
5003int
5005{
5006 struct ctl_lun *lun = (struct ctl_lun *)be_lun->ctl_lun;
5007
5008 mtx_lock(&lun->lun_lock);
5009 lun->flags |= CTL_LUN_EJECTED;
5010 mtx_unlock(&lun->lun_lock);
5011 return (0);
5012}
5013
5014int
5016{
5017 struct ctl_lun *lun = (struct ctl_lun *)be_lun->ctl_lun;
5018
5019 mtx_lock(&lun->lun_lock);
5020 lun->flags |= CTL_LUN_PRIMARY_SC;
5022 mtx_unlock(&lun->lun_lock);
5024 return (0);
5025}
5026
5027int
5029{
5030 struct ctl_lun *lun = (struct ctl_lun *)be_lun->ctl_lun;
5031
5032 mtx_lock(&lun->lun_lock);
5033 lun->flags &= ~CTL_LUN_PRIMARY_SC;
5035 mtx_unlock(&lun->lun_lock);
5037 return (0);
5038}
5039
5040/*
5041 * Remove LUN. If there are active requests, wait for completion.
5042 *
5043 * Returns 0 for success, non-zero (errno) for failure.
5044 * Completion is reported to backed via the lun_shutdown() method.
5045 */
5046int
5048{
5049 struct ctl_lun *lun;
5050
5051 lun = (struct ctl_lun *)be_lun->ctl_lun;
5052
5054
5055 mtx_lock(&lun->lun_lock);
5056 lun->flags |= CTL_LUN_INVALID;
5057
5058 /*
5059 * If there is nothing in the OOA queue, go ahead and free the LUN.
5060 * If we have something in the OOA queue, we'll free it when the
5061 * last I/O completes.
5062 */
5063 if (LIST_EMPTY(&lun->ooa_queue)) {
5064 mtx_unlock(&lun->lun_lock);
5066 } else
5067 mtx_unlock(&lun->lun_lock);
5068
5069 return (0);
5070}
5071
5072void
5074{
5075 struct ctl_lun *lun = (struct ctl_lun *)be_lun->ctl_lun;
5076 union ctl_ha_msg msg;
5077
5078 mtx_lock(&lun->lun_lock);
5080 mtx_unlock(&lun->lun_lock);
5081 if (lun->ctl_softc->ha_mode == CTL_HA_MODE_XFER) {
5082 /* Send msg to other side. */
5083 bzero(&msg.ua, sizeof(msg.ua));
5084 msg.hdr.msg_type = CTL_MSG_UA;
5085 msg.hdr.nexus.initid = -1;
5086 msg.hdr.nexus.targ_port = -1;
5087 msg.hdr.nexus.targ_lun = lun->lun;
5088 msg.hdr.nexus.targ_mapped_lun = lun->lun;
5089 msg.ua.ua_all = 1;
5090 msg.ua.ua_set = 1;
5091 msg.ua.ua_type = CTL_UA_CAPACITY_CHANGE;
5092 ctl_ha_msg_send(CTL_HA_CHAN_CTL, &msg, sizeof(msg.ua),
5093 M_WAITOK);
5094 }
5095}
5096
5097/*
5098 * Backend "memory move is complete" callback for requests that never
5099 * make it down to say RAIDCore's configuration code.
5100 */
5101int
5102ctl_config_move_done(union ctl_io *io, bool samethr)
5103{
5104 int retval;
5105
5106 CTL_DEBUG_PRINT(("ctl_config_move_done\n"));
5107 KASSERT(io->io_hdr.io_type == CTL_IO_SCSI,
5108 ("%s: unexpected I/O type %x", __func__, io->io_hdr.io_type));
5109
5111 ctl_data_print(io);
5115 ((io->io_hdr.flags & CTL_FLAG_ABORT) != 0)) {
5116 /*
5117 * XXX KDM just assuming a single pointer here, and not a
5118 * S/G list. If we start using S/G lists for config data,
5119 * we'll need to know how to clean them up here as well.
5120 */
5122 free(io->scsiio.kern_data_ptr, M_CTL);
5123 ctl_done(io);
5124 retval = CTL_RETVAL_COMPLETE;
5125 } else {
5126 /*
5127 * XXX KDM now we need to continue data movement. Some
5128 * options:
5129 * - call ctl_scsiio() again? We don't do this for data
5130 * writes, because for those at least we know ahead of
5131 * time where the write will go and how long it is. For
5132 * config writes, though, that information is largely
5133 * contained within the write itself, thus we need to
5134 * parse out the data again.
5135 *
5136 * - Call some other function once the data is in?
5137 */
5138
5139 /*
5140 * XXX KDM call ctl_scsiio() again for now, and check flag
5141 * bits to see whether we're allocated or not.
5142 */
5143 retval = ctl_scsiio(&io->scsiio);
5144 }
5145 return (retval);
5146}
5147
5148/*
5149 * This gets called by a backend driver when it is done with a
5150 * data_submit method.
5151 */
5152void
5154{
5155 /*
5156 * If the IO_CONT flag is set, we need to call the supplied
5157 * function to continue processing the I/O, instead of completing
5158 * the I/O just yet.
5159 *
5160 * If there is an error, though, we don't want to keep processing.
5161 * Instead, just send status back to the initiator.
5162 */
5163 if ((io->io_hdr.flags & CTL_FLAG_IO_CONT) &&
5164 (io->io_hdr.flags & CTL_FLAG_ABORT) == 0 &&
5167 io->scsiio.io_cont(io);
5168 return;
5169 }
5170 ctl_done(io);
5171}
5172
5173/*
5174 * This gets called by a backend driver when it is done with a
5175 * configuration write.
5176 */
5177void
5179{
5180 uint8_t *buf;
5181
5182 /*
5183 * If the IO_CONT flag is set, we need to call the supplied
5184 * function to continue processing the I/O, instead of completing
5185 * the I/O just yet.
5186 *
5187 * If there is an error, though, we don't want to keep processing.
5188 * Instead, just send status back to the initiator.
5189 */
5190 if ((io->io_hdr.flags & CTL_FLAG_IO_CONT) &&
5191 (io->io_hdr.flags & CTL_FLAG_ABORT) == 0 &&
5194 io->scsiio.io_cont(io);
5195 return;
5196 }
5197 /*
5198 * Since a configuration write can be done for commands that actually
5199 * have data allocated, like write buffer, and commands that have
5200 * no data, like start/stop unit, we need to check here.
5201 */
5203 buf = io->scsiio.kern_data_ptr;
5204 else
5205 buf = NULL;
5206 ctl_done(io);
5207 if (buf)
5208 free(buf, M_CTL);
5209}
5210
5211void
5213{
5214 uint8_t *buf;
5215
5216 /*
5217 * If there is some error -- we are done, skip data transfer.
5218 */
5219 if ((io->io_hdr.flags & CTL_FLAG_ABORT) != 0 ||
5223 buf = io->scsiio.kern_data_ptr;
5224 else
5225 buf = NULL;
5226 ctl_done(io);
5227 if (buf)
5228 free(buf, M_CTL);
5229 return;
5230 }
5231
5232 /*
5233 * If the IO_CONT flag is set, we need to call the supplied
5234 * function to continue processing the I/O, instead of completing
5235 * the I/O just yet.
5236 */
5237 if (io->io_hdr.flags & CTL_FLAG_IO_CONT) {
5238 io->scsiio.io_cont(io);
5239 return;
5240 }
5241
5242 ctl_datamove(io);
5243}
5244
5245/*
5246 * SCSI release command.
5247 */
5248int
5250{
5251 struct ctl_lun *lun = CTL_LUN(ctsio);
5252 uint32_t residx;
5253
5254 CTL_DEBUG_PRINT(("ctl_scsi_release\n"));
5255
5256 residx = ctl_get_initindex(&ctsio->io_hdr.nexus);
5257
5258 /*
5259 * XXX KDM right now, we only support LUN reservation. We don't
5260 * support 3rd party reservations, or extent reservations, which
5261 * might actually need the parameter list. If we've gotten this
5262 * far, we've got a LUN reservation. Anything else got kicked out
5263 * above. So, according to SPC, ignore the length.
5264 */
5265
5266 mtx_lock(&lun->lun_lock);
5267
5268 /*
5269 * According to SPC, it is not an error for an intiator to attempt
5270 * to release a reservation on a LUN that isn't reserved, or that
5271 * is reserved by another initiator. The reservation can only be
5272 * released, though, by the initiator who made it or by one of
5273 * several reset type events.
5274 */
5275 if ((lun->flags & CTL_LUN_RESERVED) && (lun->res_idx == residx))
5276 lun->flags &= ~CTL_LUN_RESERVED;
5277
5278 mtx_unlock(&lun->lun_lock);
5279
5280 ctl_set_success(ctsio);
5281 ctl_done((union ctl_io *)ctsio);
5282 return (CTL_RETVAL_COMPLETE);
5283}
5284
5285int
5287{
5288 struct ctl_lun *lun = CTL_LUN(ctsio);
5289 uint32_t residx;
5290
5291 CTL_DEBUG_PRINT(("ctl_reserve\n"));
5292
5293 residx = ctl_get_initindex(&ctsio->io_hdr.nexus);
5294
5295 /*
5296 * XXX KDM right now, we only support LUN reservation. We don't
5297 * support 3rd party reservations, or extent reservations, which
5298 * might actually need the parameter list. If we've gotten this
5299 * far, we've got a LUN reservation. Anything else got kicked out
5300 * above. So, according to SPC, ignore the length.
5301 */
5302
5303 mtx_lock(&lun->lun_lock);
5304 if ((lun->flags & CTL_LUN_RESERVED) && (lun->res_idx != residx)) {
5306 goto bailout;
5307 }
5308
5309 /* SPC-3 exceptions to SPC-2 RESERVE and RELEASE behavior. */
5310 if (lun->flags & CTL_LUN_PR_RESERVED) {
5311 ctl_set_success(ctsio);
5312 goto bailout;
5313 }
5314
5315 lun->flags |= CTL_LUN_RESERVED;
5316 lun->res_idx = residx;
5317 ctl_set_success(ctsio);
5318
5319bailout:
5320 mtx_unlock(&lun->lun_lock);
5321 ctl_done((union ctl_io *)ctsio);
5322 return (CTL_RETVAL_COMPLETE);
5323}
5324
5325int
5327{
5328 struct ctl_lun *lun = CTL_LUN(ctsio);
5329 struct scsi_start_stop_unit *cdb;
5330 int retval;
5331
5332 CTL_DEBUG_PRINT(("ctl_start_stop\n"));
5333
5334 cdb = (struct scsi_start_stop_unit *)ctsio->cdb;
5335
5336 if ((cdb->how & SSS_PC_MASK) == 0) {
5337 if ((lun->flags & CTL_LUN_PR_RESERVED) &&
5338 (cdb->how & SSS_START) == 0) {
5339 uint32_t residx;
5340
5341 residx = ctl_get_initindex(&ctsio->io_hdr.nexus);
5342 if (ctl_get_prkey(lun, residx) == 0 ||
5343 (lun->pr_res_idx != residx && lun->pr_res_type < 4)) {
5345 ctl_done((union ctl_io *)ctsio);
5346 return (CTL_RETVAL_COMPLETE);
5347 }
5348 }
5349
5350 if ((cdb->how & SSS_LOEJ) &&
5351 (lun->flags & CTL_LUN_REMOVABLE) == 0) {
5353 /*sks_valid*/ 1,
5354 /*command*/ 1,
5355 /*field*/ 4,
5356 /*bit_valid*/ 1,
5357 /*bit*/ 1);
5358 ctl_done((union ctl_io *)ctsio);
5359 return (CTL_RETVAL_COMPLETE);
5360 }
5361
5362 if ((cdb->how & SSS_START) == 0 && (cdb->how & SSS_LOEJ) &&
5363 lun->prevent_count > 0) {
5364 /* "Medium removal prevented" */
5365 ctl_set_sense(ctsio, /*current_error*/ 1,
5366 /*sense_key*/(lun->flags & CTL_LUN_NO_MEDIA) ?
5368 /*asc*/ 0x53, /*ascq*/ 0x02, SSD_ELEM_NONE);
5369 ctl_done((union ctl_io *)ctsio);
5370 return (CTL_RETVAL_COMPLETE);
5371 }
5372 }
5373
5374 retval = lun->backend->config_write((union ctl_io *)ctsio);
5375 return (retval);
5376}
5377
5378int
5380{
5381 struct ctl_lun *lun = CTL_LUN(ctsio);
5382 struct scsi_prevent *cdb;
5383 int retval;
5384 uint32_t initidx;
5385
5386 CTL_DEBUG_PRINT(("ctl_prevent_allow\n"));
5387
5388 cdb = (struct scsi_prevent *)ctsio->cdb;
5389
5390 if ((lun->flags & CTL_LUN_REMOVABLE) == 0 || lun->prevent == NULL) {
5392 ctl_done((union ctl_io *)ctsio);
5393 return (CTL_RETVAL_COMPLETE);
5394 }
5395
5396 initidx = ctl_get_initindex(&ctsio->io_hdr.nexus);
5397 mtx_lock(&lun->lun_lock);
5398 if ((cdb->how & PR_PREVENT) &&
5399 ctl_is_set(lun->prevent, initidx) == 0) {
5400 ctl_set_mask(lun->prevent, initidx);
5401 lun->prevent_count++;
5402 } else if ((cdb->how & PR_PREVENT) == 0 &&
5403 ctl_is_set(lun->prevent, initidx)) {
5404 ctl_clear_mask(lun->prevent, initidx);
5405 lun->prevent_count--;
5406 }
5407 mtx_unlock(&lun->lun_lock);
5408 retval = lun->backend->config_write((union ctl_io *)ctsio);
5409 return (retval);
5410}
5411
5412/*
5413 * We support the SYNCHRONIZE CACHE command (10 and 16 byte versions), but
5414 * we don't really do anything with the LBA and length fields if the user
5415 * passes them in. Instead we'll just flush out the cache for the entire
5416 * LUN.
5417 */
5418int
5420{
5421 struct ctl_lun *lun = CTL_LUN(ctsio);
5422 struct ctl_lba_len_flags *lbalen;
5423 uint64_t starting_lba;
5424 uint32_t block_count;
5425 int retval;
5426 uint8_t byte2;
5427
5428 CTL_DEBUG_PRINT(("ctl_sync_cache\n"));
5429
5430 retval = 0;
5431
5432 switch (ctsio->cdb[0]) {
5433 case SYNCHRONIZE_CACHE: {
5434 struct scsi_sync_cache *cdb;
5435 cdb = (struct scsi_sync_cache *)ctsio->cdb;
5436
5437 starting_lba = scsi_4btoul(cdb->begin_lba);
5438 block_count = scsi_2btoul(cdb->lb_count);
5439 byte2 = cdb->byte2;
5440 break;
5441 }
5442 case SYNCHRONIZE_CACHE_16: {
5443 struct scsi_sync_cache_16 *cdb;
5444 cdb = (struct scsi_sync_cache_16 *)ctsio->cdb;
5445
5446 starting_lba = scsi_8btou64(cdb->begin_lba);
5447 block_count = scsi_4btoul(cdb->lb_count);
5448 byte2 = cdb->byte2;
5449 break;
5450 }
5451 default:
5453 ctl_done((union ctl_io *)ctsio);
5454 goto bailout;
5455 break; /* NOTREACHED */
5456 }
5457
5458 /*
5459 * We check the LBA and length, but don't do anything with them.
5460 * A SYNCHRONIZE CACHE will cause the entire cache for this lun to
5461 * get flushed. This check will just help satisfy anyone who wants
5462 * to see an error for an out of range LBA.
5463 */
5464 if ((starting_lba + block_count) > (lun->be_lun->maxlba + 1)) {
5466 MAX(starting_lba, lun->be_lun->maxlba + 1));
5467 ctl_done((union ctl_io *)ctsio);
5468 goto bailout;
5469 }
5470
5471 lbalen = (struct ctl_lba_len_flags *)&ctsio->io_hdr.ctl_private[CTL_PRIV_LBA_LEN];
5472 lbalen->lba = starting_lba;
5473 lbalen->len = block_count;
5474 lbalen->flags = byte2;
5475 retval = lun->backend->config_write((union ctl_io *)ctsio);
5476
5477bailout:
5478 return (retval);
5479}
5480
5481int
5483{
5484 struct scsi_format *cdb;
5485 int length, defect_list_len;
5486
5487 CTL_DEBUG_PRINT(("ctl_format\n"));
5488
5489 cdb = (struct scsi_format *)ctsio->cdb;
5490
5491 length = 0;
5492 if (cdb->byte2 & SF_FMTDATA) {
5493 if (cdb->byte2 & SF_LONGLIST)
5494 length = sizeof(struct scsi_format_header_long);
5495 else
5496 length = sizeof(struct scsi_format_header_short);
5497 }
5498
5499 if (((ctsio->io_hdr.flags & CTL_FLAG_ALLOCATED) == 0)
5500 && (length > 0)) {
5501 ctsio->kern_data_ptr = malloc(length, M_CTL, M_WAITOK);
5502 ctsio->kern_data_len = length;
5503 ctsio->kern_total_len = length;
5504 ctsio->kern_rel_offset = 0;
5505 ctsio->kern_sg_entries = 0;
5508 ctl_datamove((union ctl_io *)ctsio);
5509
5510 return (CTL_RETVAL_COMPLETE);
5511 }
5512
5513 defect_list_len = 0;
5514
5515 if (cdb->byte2 & SF_FMTDATA) {
5516 if (cdb->byte2 & SF_LONGLIST) {
5517 struct scsi_format_header_long *header;
5518
5519 header = (struct scsi_format_header_long *)
5520 ctsio->kern_data_ptr;
5521
5523 if (defect_list_len != 0) {
5525 /*sks_valid*/ 1,
5526 /*command*/ 0,
5527 /*field*/ 2,
5528 /*bit_valid*/ 0,
5529 /*bit*/ 0);
5530 goto bailout;
5531 }
5532 } else {
5533 struct scsi_format_header_short *header;
5534
5535 header = (struct scsi_format_header_short *)
5536 ctsio->kern_data_ptr;
5537
5539 if (defect_list_len != 0) {
5541 /*sks_valid*/ 1,
5542 /*command*/ 0,
5543 /*field*/ 2,
5544 /*bit_valid*/ 0,
5545 /*bit*/ 0);
5546 goto bailout;
5547 }
5548 }
5549 }
5550
5551 ctl_set_success(ctsio);
5552bailout:
5553
5554 if (ctsio->io_hdr.flags & CTL_FLAG_ALLOCATED) {
5555 free(ctsio->kern_data_ptr, M_CTL);
5556 ctsio->io_hdr.flags &= ~CTL_FLAG_ALLOCATED;
5557 }
5558
5559 ctl_done((union ctl_io *)ctsio);
5560 return (CTL_RETVAL_COMPLETE);
5561}
5562
5563int
5565{
5566 struct ctl_lun *lun = CTL_LUN(ctsio);
5567 uint64_t buffer_offset;
5568 uint32_t len;
5569 uint8_t byte2;
5570 static uint8_t descr[4];
5571 static uint8_t echo_descr[4] = { 0 };
5572
5573 CTL_DEBUG_PRINT(("ctl_read_buffer\n"));
5574
5575 switch (ctsio->cdb[0]) {
5576 case READ_BUFFER: {
5577 struct scsi_read_buffer *cdb;
5578
5579 cdb = (struct scsi_read_buffer *)ctsio->cdb;
5580 buffer_offset = scsi_3btoul(cdb->offset);
5581 len = scsi_3btoul(cdb->length);
5582 byte2 = cdb->byte2;
5583 break;
5584 }
5585 case READ_BUFFER_16: {
5586 struct scsi_read_buffer_16 *cdb;
5587
5588 cdb = (struct scsi_read_buffer_16 *)ctsio->cdb;
5589 buffer_offset = scsi_8btou64(cdb->offset);
5590 len = scsi_4btoul(cdb->length);
5591 byte2 = cdb->byte2;
5592 break;
5593 }
5594 default: /* This shouldn't happen. */
5596 ctl_done((union ctl_io *)ctsio);
5597 return (CTL_RETVAL_COMPLETE);
5598 }
5599
5600 if (buffer_offset > CTL_WRITE_BUFFER_SIZE ||
5601 buffer_offset + len > CTL_WRITE_BUFFER_SIZE) {
5603 /*sks_valid*/ 1,
5604 /*command*/ 1,
5605 /*field*/ 6,
5606 /*bit_valid*/ 0,
5607 /*bit*/ 0);
5608 ctl_done((union ctl_io *)ctsio);
5609 return (CTL_RETVAL_COMPLETE);
5610 }
5611
5612 if ((byte2 & RWB_MODE) == RWB_MODE_DESCR) {
5613 descr[0] = 0;
5615 ctsio->kern_data_ptr = descr;
5616 len = min(len, sizeof(descr));
5617 } else if ((byte2 & RWB_MODE) == RWB_MODE_ECHO_DESCR) {
5618 ctsio->kern_data_ptr = echo_descr;
5619 len = min(len, sizeof(echo_descr));
5620 } else {
5621 if (lun->write_buffer == NULL) {
5622 lun->write_buffer = malloc(CTL_WRITE_BUFFER_SIZE,
5623 M_CTL, M_WAITOK);
5624 }
5625 ctsio->kern_data_ptr = lun->write_buffer + buffer_offset;
5626 }
5627 ctsio->kern_data_len = len;
5628 ctsio->kern_total_len = len;
5629 ctsio->kern_rel_offset = 0;
5630 ctsio->kern_sg_entries = 0;
5631 ctl_set_success(ctsio);
5633 ctl_datamove((union ctl_io *)ctsio);
5634 return (CTL_RETVAL_COMPLETE);
5635}
5636
5637int
5639{
5640 struct ctl_lun *lun = CTL_LUN(ctsio);
5641 struct scsi_write_buffer *cdb;
5642 int buffer_offset, len;
5643
5644 CTL_DEBUG_PRINT(("ctl_write_buffer\n"));
5645
5646 cdb = (struct scsi_write_buffer *)ctsio->cdb;
5647
5648 len = scsi_3btoul(cdb->length);
5649 buffer_offset = scsi_3btoul(cdb->offset);
5650
5651 if (buffer_offset + len > CTL_WRITE_BUFFER_SIZE) {
5653 /*sks_valid*/ 1,
5654 /*command*/ 1,
5655 /*field*/ 6,
5656 /*bit_valid*/ 0,
5657 /*bit*/ 0);
5658 ctl_done((union ctl_io *)ctsio);
5659 return (CTL_RETVAL_COMPLETE);
5660 }
5661
5662 /*
5663 * If we've got a kernel request that hasn't been malloced yet,
5664 * malloc it and tell the caller the data buffer is here.
5665 */
5666 if ((ctsio->io_hdr.flags & CTL_FLAG_ALLOCATED) == 0) {
5667 if (lun->write_buffer == NULL) {
5668 lun->write_buffer = malloc(CTL_WRITE_BUFFER_SIZE,
5669 M_CTL, M_WAITOK);
5670 }
5671 ctsio->kern_data_ptr = lun->write_buffer + buffer_offset;
5672 ctsio->kern_data_len = len;
5673 ctsio->kern_total_len = len;
5674 ctsio->kern_rel_offset = 0;
5675 ctsio->kern_sg_entries = 0;
5678 ctl_datamove((union ctl_io *)ctsio);
5679
5680 return (CTL_RETVAL_COMPLETE);
5681 }
5682
5683 ctl_set_success(ctsio);
5684 ctl_done((union ctl_io *)ctsio);
5685 return (CTL_RETVAL_COMPLETE);
5686}
5687
5688static int
5690{
5691 struct ctl_lun *lun = CTL_LUN(io);
5692 struct ctl_scsiio *ctsio;
5693 struct ctl_lba_len_flags *lbalen;
5694 int retval;
5695
5696 ctsio = &io->scsiio;
5697 ctsio->io_hdr.status = CTL_STATUS_NONE;
5698 lbalen = (struct ctl_lba_len_flags *)
5700 lbalen->lba += lbalen->len;
5701 if ((lun->be_lun->maxlba + 1) - lbalen->lba <= UINT32_MAX) {
5702 ctsio->io_hdr.flags &= ~CTL_FLAG_IO_CONT;
5703 lbalen->len = (lun->be_lun->maxlba + 1) - lbalen->lba;
5704 }
5705
5706 CTL_DEBUG_PRINT(("ctl_write_same_cont: calling config_write()\n"));
5707 retval = lun->backend->config_write((union ctl_io *)ctsio);
5708 return (retval);
5709}
5710
5711int
5713{
5714 struct ctl_lun *lun = CTL_LUN(ctsio);
5715 struct ctl_lba_len_flags *lbalen;
5716 const char *val;
5717 uint64_t lba, ival;
5718 uint32_t num_blocks;
5719 int len, retval;
5720 uint8_t byte2;
5721
5722 CTL_DEBUG_PRINT(("ctl_write_same\n"));
5723
5724 switch (ctsio->cdb[0]) {
5725 case WRITE_SAME_10: {
5726 struct scsi_write_same_10 *cdb;
5727
5728 cdb = (struct scsi_write_same_10 *)ctsio->cdb;
5729
5730 lba = scsi_4btoul(cdb->addr);
5731 num_blocks = scsi_2btoul(cdb->length);
5732 byte2 = cdb->byte2;
5733 break;
5734 }
5735 case WRITE_SAME_16: {
5736 struct scsi_write_same_16 *cdb;
5737
5738 cdb = (struct scsi_write_same_16 *)ctsio->cdb;
5739
5740 lba = scsi_8btou64(cdb->addr);
5741 num_blocks = scsi_4btoul(cdb->length);
5742 byte2 = cdb->byte2;
5743 break;
5744 }
5745 default:
5746 /*
5747 * We got a command we don't support. This shouldn't
5748 * happen, commands should be filtered out above us.
5749 */
5751 ctl_done((union ctl_io *)ctsio);
5752
5753 return (CTL_RETVAL_COMPLETE);
5754 break; /* NOTREACHED */
5755 }
5756
5757 /* ANCHOR flag can be used only together with UNMAP */
5758 if ((byte2 & SWS_UNMAP) == 0 && (byte2 & SWS_ANCHOR) != 0) {
5759 ctl_set_invalid_field(ctsio, /*sks_valid*/ 1,
5760 /*command*/ 1, /*field*/ 1, /*bit_valid*/ 1, /*bit*/ 0);
5761 ctl_done((union ctl_io *)ctsio);
5762 return (CTL_RETVAL_COMPLETE);
5763 }
5764
5765 /*
5766 * The first check is to make sure we're in bounds, the second
5767 * check is to catch wrap-around problems. If the lba + num blocks
5768 * is less than the lba, then we've wrapped around and the block
5769 * range is invalid anyway.
5770 */
5771 if (((lba + num_blocks) > (lun->be_lun->maxlba + 1))
5772 || ((lba + num_blocks) < lba)) {
5774 MAX(lba, lun->be_lun->maxlba + 1));
5775 ctl_done((union ctl_io *)ctsio);
5776 return (CTL_RETVAL_COMPLETE);
5777 }
5778
5779 /* Zero number of blocks means "to the last logical block" */
5780 if (num_blocks == 0) {
5781 ival = UINT64_MAX;
5782 val = dnvlist_get_string(lun->be_lun->options,
5783 "write_same_max_lba", NULL);
5784 if (val != NULL)
5785 ctl_expand_number(val, &ival);
5786 if ((lun->be_lun->maxlba + 1) - lba > ival) {
5788 /*sks_valid*/ 1, /*command*/ 1,
5789 /*field*/ ctsio->cdb[0] == WRITE_SAME_10 ? 7 : 10,
5790 /*bit_valid*/ 0, /*bit*/ 0);
5791 ctl_done((union ctl_io *)ctsio);
5792 return (CTL_RETVAL_COMPLETE);
5793 }
5794 if ((lun->be_lun->maxlba + 1) - lba > UINT32_MAX) {
5795 ctsio->io_hdr.flags |= CTL_FLAG_IO_CONT;
5797 num_blocks = 1 << 31;
5798 } else
5799 num_blocks = (lun->be_lun->maxlba + 1) - lba;
5800 }
5801
5802 len = lun->be_lun->blocksize;
5803
5804 /*
5805 * If we've got a kernel request that hasn't been malloced yet,
5806 * malloc it and tell the caller the data buffer is here.
5807 */
5808 if ((byte2 & SWS_NDOB) == 0 &&
5809 (ctsio->io_hdr.flags & CTL_FLAG_ALLOCATED) == 0) {
5810 ctsio->kern_data_ptr = malloc(len, M_CTL, M_WAITOK);
5811 ctsio->kern_data_len = len;
5812 ctsio->kern_total_len = len;
5813 ctsio->kern_rel_offset = 0;
5814 ctsio->kern_sg_entries = 0;
5817 ctl_datamove((union ctl_io *)ctsio);
5818
5819 return (CTL_RETVAL_COMPLETE);
5820 }
5821
5822 lbalen = (struct ctl_lba_len_flags *)&ctsio->io_hdr.ctl_private[CTL_PRIV_LBA_LEN];
5823 lbalen->lba = lba;
5824 lbalen->len = num_blocks;
5825 lbalen->flags = byte2;
5826 retval = lun->backend->config_write((union ctl_io *)ctsio);
5827
5828 return (retval);
5829}
5830
5831int
5832ctl_unmap(struct ctl_scsiio *ctsio)
5833{
5834 struct ctl_lun *lun = CTL_LUN(ctsio);
5835 struct scsi_unmap *cdb;
5836 struct ctl_ptr_len_flags *ptrlen;
5837 struct scsi_unmap_header *hdr;
5838 struct scsi_unmap_desc *buf, *end, *endnz, *range;
5839 uint64_t lba;
5840 uint32_t num_blocks;
5841 int len, retval;
5842 uint8_t byte2;
5843
5844 CTL_DEBUG_PRINT(("ctl_unmap\n"));
5845
5846 cdb = (struct scsi_unmap *)ctsio->cdb;
5847 len = scsi_2btoul(cdb->length);
5848 byte2 = cdb->byte2;
5849
5850 /*
5851 * If we've got a kernel request that hasn't been malloced yet,
5852 * malloc it and tell the caller the data buffer is here.
5853 */
5854 if ((ctsio->io_hdr.flags & CTL_FLAG_ALLOCATED) == 0) {
5855 ctsio->kern_data_ptr = malloc(len, M_CTL, M_WAITOK);
5856 ctsio->kern_data_len = len;
5857 ctsio->kern_total_len = len;
5858 ctsio->kern_rel_offset = 0;
5859 ctsio->kern_sg_entries = 0;
5862 ctl_datamove((union ctl_io *)ctsio);
5863
5864 return (CTL_RETVAL_COMPLETE);
5865 }
5866
5867 len = ctsio->kern_total_len - ctsio->kern_data_resid;
5868 hdr = (struct scsi_unmap_header *)ctsio->kern_data_ptr;
5869 if (len < sizeof (*hdr) ||
5870 len < (scsi_2btoul(hdr->length) + sizeof(hdr->length)) ||
5871 len < (scsi_2btoul(hdr->desc_length) + sizeof (*hdr)) ||
5872 scsi_2btoul(hdr->desc_length) % sizeof(*buf) != 0) {
5874 /*sks_valid*/ 0,
5875 /*command*/ 0,
5876 /*field*/ 0,
5877 /*bit_valid*/ 0,
5878 /*bit*/ 0);
5879 goto done;
5880 }
5881 len = scsi_2btoul(hdr->desc_length);
5882 buf = (struct scsi_unmap_desc *)(hdr + 1);
5883 end = buf + len / sizeof(*buf);
5884
5885 endnz = buf;
5886 for (range = buf; range < end; range++) {
5887 lba = scsi_8btou64(range->lba);
5888 num_blocks = scsi_4btoul(range->length);
5889 if (((lba + num_blocks) > (lun->be_lun->maxlba + 1))
5890 || ((lba + num_blocks) < lba)) {
5892 MAX(lba, lun->be_lun->maxlba + 1));
5893 ctl_done((union ctl_io *)ctsio);
5894 return (CTL_RETVAL_COMPLETE);
5895 }
5896 if (num_blocks != 0)
5897 endnz = range + 1;
5898 }
5899
5900 /*
5901 * Block backend can not handle zero last range.
5902 * Filter it out and return if there is nothing left.
5903 */
5904 len = (uint8_t *)endnz - (uint8_t *)buf;
5905 if (len == 0) {
5906 ctl_set_success(ctsio);
5907 goto done;
5908 }
5909
5910 mtx_lock(&lun->lun_lock);
5911 ptrlen = (struct ctl_ptr_len_flags *)
5913 ptrlen->ptr = (void *)buf;
5914 ptrlen->len = len;
5915 ptrlen->flags = byte2;
5916 ctl_try_unblock_others(lun, (union ctl_io *)ctsio, FALSE);
5917 mtx_unlock(&lun->lun_lock);
5918
5919 retval = lun->backend->config_write((union ctl_io *)ctsio);
5920 return (retval);
5921
5922done:
5923 if (ctsio->io_hdr.flags & CTL_FLAG_ALLOCATED) {
5924 free(ctsio->kern_data_ptr, M_CTL);
5925 ctsio->io_hdr.flags &= ~CTL_FLAG_ALLOCATED;
5926 }
5927 ctl_done((union ctl_io *)ctsio);
5928 return (CTL_RETVAL_COMPLETE);
5929}
5930
5931int
5933 struct ctl_page_index *page_index, uint8_t *page_ptr)
5934{
5935 struct ctl_lun *lun = CTL_LUN(ctsio);
5936 uint8_t *current_cp;
5937 int set_ua;
5938 uint32_t initidx;
5939
5940 initidx = ctl_get_initindex(&ctsio->io_hdr.nexus);
5941 set_ua = 0;
5942
5943 current_cp = (page_index->page_data + (page_index->page_len *
5945
5946 mtx_lock(&lun->lun_lock);
5947 if (memcmp(current_cp, page_ptr, page_index->page_len)) {
5948 memcpy(current_cp, page_ptr, page_index->page_len);
5949 set_ua = 1;
5950 }
5951 if (set_ua != 0)
5953 mtx_unlock(&lun->lun_lock);
5954 if (set_ua) {
5957 page_index->page_code, page_index->subpage);
5958 }
5959 return (CTL_RETVAL_COMPLETE);
5960}
5961
5962static void
5964{
5965 struct ctl_lun *lun = arg;
5966 uint64_t t;
5967
5968 if (lun->ie_asc == 0)
5969 return;
5970
5971 if (lun->MODE_IE.mrie == SIEP_MRIE_UA)
5973 else
5974 lun->ie_reported = 0;
5975
5976 if (lun->ie_reportcnt < scsi_4btoul(lun->MODE_IE.report_count)) {
5977 lun->ie_reportcnt++;
5978 t = scsi_4btoul(lun->MODE_IE.interval_timer);
5979 if (t == 0 || t == UINT32_MAX)
5980 t = 3000; /* 5 min */
5981 callout_schedule_sbt(&lun->ie_callout, SBT_1S / 10 * t,
5982 SBT_1S / 10, 0);
5983 }
5984}
5985
5986int
5988 struct ctl_page_index *page_index, uint8_t *page_ptr)
5989{
5990 struct ctl_lun *lun = CTL_LUN(ctsio);
5991 struct scsi_info_exceptions_page *pg;
5992 uint64_t t;
5993
5994 (void)ctl_default_page_handler(ctsio, page_index, page_ptr);
5995
5996 pg = (struct scsi_info_exceptions_page *)page_ptr;
5997 mtx_lock(&lun->lun_lock);
5998 if (pg->info_flags & SIEP_FLAGS_TEST) {
5999 lun->ie_asc = 0x5d;
6000 lun->ie_ascq = 0xff;
6001 if (pg->mrie == SIEP_MRIE_UA) {
6002 ctl_est_ua_all(lun, -1, CTL_UA_IE);
6003 lun->ie_reported = 1;
6004 } else {
6005 ctl_clr_ua_all(lun, -1, CTL_UA_IE);
6006 lun->ie_reported = -1;
6007 }
6008 lun->ie_reportcnt = 1;
6009 if (lun->ie_reportcnt < scsi_4btoul(pg->report_count)) {
6010 lun->ie_reportcnt++;
6011 t = scsi_4btoul(pg->interval_timer);
6012 if (t == 0 || t == UINT32_MAX)
6013 t = 3000; /* 5 min */
6014 callout_reset_sbt(&lun->ie_callout, SBT_1S / 10 * t,
6015 SBT_1S / 10, ctl_ie_timer, lun, 0);
6016 }
6017 } else {
6018 lun->ie_asc = 0;
6019 lun->ie_ascq = 0;
6020 lun->ie_reported = 1;
6021 ctl_clr_ua_all(lun, -1, CTL_UA_IE);
6022 lun->ie_reportcnt = UINT32_MAX;
6023 callout_stop(&lun->ie_callout);
6024 }
6025 mtx_unlock(&lun->lun_lock);
6026 return (CTL_RETVAL_COMPLETE);
6027}
6028
6029static int
6031{
6032 struct ctl_lun *lun = CTL_LUN(io);
6033 struct scsi_mode_page_header *page_header;
6034 struct ctl_page_index *page_index;
6035 struct ctl_scsiio *ctsio;
6036 int page_len, page_len_offset, page_len_size;
6037 union ctl_modepage_info *modepage_info;
6038 uint16_t *len_left, *len_used;
6039 int retval, i;
6040
6041 ctsio = &io->scsiio;
6042 page_index = NULL;
6043 page_len = 0;
6044
6045 modepage_info = (union ctl_modepage_info *)
6047 len_left = &modepage_info->header.len_left;
6048 len_used = &modepage_info->header.len_used;
6049
6050do_next_page:
6051
6052 page_header = (struct scsi_mode_page_header *)
6053 (ctsio->kern_data_ptr + *len_used);
6054
6055 if (*len_left == 0) {
6056 free(ctsio->kern_data_ptr, M_CTL);
6057 ctl_set_success(ctsio);
6058 ctl_done((union ctl_io *)ctsio);
6059 return (CTL_RETVAL_COMPLETE);
6060 } else if (*len_left < sizeof(struct scsi_mode_page_header)) {
6061 free(ctsio->kern_data_ptr, M_CTL);
6063 ctl_done((union ctl_io *)ctsio);
6064 return (CTL_RETVAL_COMPLETE);
6065
6066 } else if ((page_header->page_code & SMPH_SPF)
6067 && (*len_left < sizeof(struct scsi_mode_page_header_sp))) {
6068 free(ctsio->kern_data_ptr, M_CTL);
6070 ctl_done((union ctl_io *)ctsio);
6071 return (CTL_RETVAL_COMPLETE);
6072 }
6073
6074 /*
6075 * XXX KDM should we do something with the block descriptor?
6076 */
6077 for (i = 0; i < CTL_NUM_MODE_PAGES; i++) {
6078 page_index = &lun->mode_pages.index[i];
6079 if (lun->be_lun->lun_type == T_DIRECT &&
6080 (page_index->page_flags & CTL_PAGE_FLAG_DIRECT) == 0)
6081 continue;
6082 if (lun->be_lun->lun_type == T_PROCESSOR &&
6083 (page_index->page_flags & CTL_PAGE_FLAG_PROC) == 0)
6084 continue;
6085 if (lun->be_lun->lun_type == T_CDROM &&
6086 (page_index->page_flags & CTL_PAGE_FLAG_CDROM) == 0)
6087 continue;
6088
6089 if ((page_index->page_code & SMPH_PC_MASK) !=
6090 (page_header->page_code & SMPH_PC_MASK))
6091 continue;
6092
6093 /*
6094 * If neither page has a subpage code, then we've got a
6095 * match.
6096 */
6097 if (((page_index->page_code & SMPH_SPF) == 0)
6098 && ((page_header->page_code & SMPH_SPF) == 0)) {
6099 page_len = page_header->page_length;
6100 break;
6101 }
6102
6103 /*
6104 * If both pages have subpages, then the subpage numbers
6105 * have to match.
6106 */
6107 if ((page_index->page_code & SMPH_SPF)
6108 && (page_header->page_code & SMPH_SPF)) {
6109 struct scsi_mode_page_header_sp *sph;
6110
6111 sph = (struct scsi_mode_page_header_sp *)page_header;
6112 if (page_index->subpage == sph->subpage) {
6113 page_len = scsi_2btoul(sph->page_length);
6114 break;
6115 }
6116 }
6117 }
6118
6119 /*
6120 * If we couldn't find the page, or if we don't have a mode select
6121 * handler for it, send back an error to the user.
6122 */
6123 if ((i >= CTL_NUM_MODE_PAGES)
6124 || (page_index->select_handler == NULL)) {
6126 /*sks_valid*/ 1,
6127 /*command*/ 0,
6128 /*field*/ *len_used,
6129 /*bit_valid*/ 0,
6130 /*bit*/ 0);
6131 free(ctsio->kern_data_ptr, M_CTL);
6132 ctl_done((union ctl_io *)ctsio);
6133 return (CTL_RETVAL_COMPLETE);
6134 }
6135
6136 if (page_index->page_code & SMPH_SPF) {
6137 page_len_offset = 2;
6138 page_len_size = 2;
6139 } else {
6140 page_len_size = 1;
6141 page_len_offset = 1;
6142 }
6143
6144 /*
6145 * If the length the initiator gives us isn't the one we specify in
6146 * the mode page header, or if they didn't specify enough data in
6147 * the CDB to avoid truncating this page, kick out the request.
6148 */
6149 if (page_len != page_index->page_len - page_len_offset - page_len_size) {
6151 /*sks_valid*/ 1,
6152 /*command*/ 0,
6153 /*field*/ *len_used + page_len_offset,
6154 /*bit_valid*/ 0,
6155 /*bit*/ 0);
6156 free(ctsio->kern_data_ptr, M_CTL);
6157 ctl_done((union ctl_io *)ctsio);
6158 return (CTL_RETVAL_COMPLETE);
6159 }
6160 if (*len_left < page_index->page_len) {
6161 free(ctsio->kern_data_ptr, M_CTL);
6163 ctl_done((union ctl_io *)ctsio);
6164 return (CTL_RETVAL_COMPLETE);
6165 }
6166
6167 /*
6168 * Run through the mode page, checking to make sure that the bits
6169 * the user changed are actually legal for him to change.
6170 */
6171 for (i = 0; i < page_index->page_len; i++) {
6172 uint8_t *user_byte, *change_mask, *current_byte;
6173 int bad_bit;
6174 int j;
6175
6176 user_byte = (uint8_t *)page_header + i;
6177 change_mask = page_index->page_data +
6178 (page_index->page_len * CTL_PAGE_CHANGEABLE) + i;
6179 current_byte = page_index->page_data +
6180 (page_index->page_len * CTL_PAGE_CURRENT) + i;
6181
6182 /*
6183 * Check to see whether the user set any bits in this byte
6184 * that he is not allowed to set.
6185 */
6186 if ((*user_byte & ~(*change_mask)) ==
6187 (*current_byte & ~(*change_mask)))
6188 continue;
6189
6190 /*
6191 * Go through bit by bit to determine which one is illegal.
6192 */
6193 bad_bit = 0;
6194 for (j = 7; j >= 0; j--) {
6195 if ((((1 << i) & ~(*change_mask)) & *user_byte) !=
6196 (((1 << i) & ~(*change_mask)) & *current_byte)) {
6197 bad_bit = i;
6198 break;
6199 }
6200 }
6202 /*sks_valid*/ 1,
6203 /*command*/ 0,
6204 /*field*/ *len_used + i,
6205 /*bit_valid*/ 1,
6206 /*bit*/ bad_bit);
6207 free(ctsio->kern_data_ptr, M_CTL);
6208 ctl_done((union ctl_io *)ctsio);
6209 return (CTL_RETVAL_COMPLETE);
6210 }
6211
6212 /*
6213 * Decrement these before we call the page handler, since we may
6214 * end up getting called back one way or another before the handler
6215 * returns to this context.
6216 */
6217 *len_left -= page_index->page_len;
6218 *len_used += page_index->page_len;
6219
6220 retval = page_index->select_handler(ctsio, page_index,
6221 (uint8_t *)page_header);
6222
6223 /*
6224 * If the page handler returns CTL_RETVAL_QUEUED, then we need to
6225 * wait until this queued command completes to finish processing
6226 * the mode page. If it returns anything other than
6227 * CTL_RETVAL_COMPLETE (e.g. CTL_RETVAL_ERROR), then it should have
6228 * already set the sense information, freed the data pointer, and
6229 * completed the io for us.
6230 */
6231 if (retval != CTL_RETVAL_COMPLETE)
6232 goto bailout_no_done;
6233
6234 /*
6235 * If the initiator sent us more than one page, parse the next one.
6236 */
6237 if (*len_left > 0)
6238 goto do_next_page;
6239
6240 ctl_set_success(ctsio);
6241 free(ctsio->kern_data_ptr, M_CTL);
6242 ctl_done((union ctl_io *)ctsio);
6243
6244bailout_no_done:
6245
6246 return (CTL_RETVAL_COMPLETE);
6247
6248}
6249
6250int
6252{
6253 struct ctl_lun *lun = CTL_LUN(ctsio);
6254 union ctl_modepage_info *modepage_info;
6255 int bd_len, i, header_size, param_len, rtd;
6256 uint32_t initidx;
6257
6258 initidx = ctl_get_initindex(&ctsio->io_hdr.nexus);
6259 switch (ctsio->cdb[0]) {
6260 case MODE_SELECT_6: {
6261 struct scsi_mode_select_6 *cdb;
6262
6263 cdb = (struct scsi_mode_select_6 *)ctsio->cdb;
6264
6265 rtd = (cdb->byte2 & SMS_RTD) ? 1 : 0;
6266 param_len = cdb->length;
6267 header_size = sizeof(struct scsi_mode_header_6);
6268 break;
6269 }
6270 case MODE_SELECT_10: {
6271 struct scsi_mode_select_10 *cdb;
6272
6273 cdb = (struct scsi_mode_select_10 *)ctsio->cdb;
6274
6275 rtd = (cdb->byte2 & SMS_RTD) ? 1 : 0;
6276 param_len = scsi_2btoul(cdb->length);
6277 header_size = sizeof(struct scsi_mode_header_10);
6278 break;
6279 }
6280 default:
6282 ctl_done((union ctl_io *)ctsio);
6283 return (CTL_RETVAL_COMPLETE);
6284 }
6285
6286 if (rtd) {
6287 if (param_len != 0) {
6288 ctl_set_invalid_field(ctsio, /*sks_valid*/ 0,
6289 /*command*/ 1, /*field*/ 0,
6290 /*bit_valid*/ 0, /*bit*/ 0);
6291 ctl_done((union ctl_io *)ctsio);
6292 return (CTL_RETVAL_COMPLETE);
6293 }
6294
6295 /* Revert to defaults. */
6297 mtx_lock(&lun->lun_lock);
6298 ctl_est_ua_all(lun, initidx, CTL_UA_MODE_CHANGE);
6299 mtx_unlock(&lun->lun_lock);
6300 for (i = 0; i < CTL_NUM_MODE_PAGES; i++) {
6301 ctl_isc_announce_mode(lun, -1,
6303 lun->mode_pages.index[i].subpage);
6304 }
6305 ctl_set_success(ctsio);
6306 ctl_done((union ctl_io *)ctsio);
6307 return (CTL_RETVAL_COMPLETE);
6308 }
6309
6310 /*
6311 * From SPC-3:
6312 * "A parameter list length of zero indicates that the Data-Out Buffer
6313 * shall be empty. This condition shall not be considered as an error."
6314 */
6315 if (param_len == 0) {
6316 ctl_set_success(ctsio);
6317 ctl_done((union ctl_io *)ctsio);
6318 return (CTL_RETVAL_COMPLETE);
6319 }
6320
6321 /*
6322 * Since we'll hit this the first time through, prior to
6323 * allocation, we don't need to free a data buffer here.
6324 */
6325 if (param_len < header_size) {
6327 ctl_done((union ctl_io *)ctsio);
6328 return (CTL_RETVAL_COMPLETE);
6329 }
6330
6331 /*
6332 * Allocate the data buffer and grab the user's data. In theory,
6333 * we shouldn't have to sanity check the parameter list length here
6334 * because the maximum size is 64K. We should be able to malloc
6335 * that much without too many problems.
6336 */
6337 if ((ctsio->io_hdr.flags & CTL_FLAG_ALLOCATED) == 0) {
6338 ctsio->kern_data_ptr = malloc(param_len, M_CTL, M_WAITOK);
6339 ctsio->kern_data_len = param_len;
6340 ctsio->kern_total_len = param_len;
6341 ctsio->kern_rel_offset = 0;
6342 ctsio->kern_sg_entries = 0;
6345 ctl_datamove((union ctl_io *)ctsio);
6346
6347 return (CTL_RETVAL_COMPLETE);
6348 }
6349
6350 switch (ctsio->cdb[0]) {
6351 case MODE_SELECT_6: {
6352 struct scsi_mode_header_6 *mh6;
6353
6354 mh6 = (struct scsi_mode_header_6 *)ctsio->kern_data_ptr;
6355 bd_len = mh6->blk_desc_len;
6356 break;
6357 }
6358 case MODE_SELECT_10: {
6359 struct scsi_mode_header_10 *mh10;
6360
6361 mh10 = (struct scsi_mode_header_10 *)ctsio->kern_data_ptr;
6362 bd_len = scsi_2btoul(mh10->blk_desc_len);
6363 break;
6364 }
6365 default:
6366 panic("%s: Invalid CDB type %#x", __func__, ctsio->cdb[0]);
6367 }
6368
6369 if (param_len < (header_size + bd_len)) {
6370 free(ctsio->kern_data_ptr, M_CTL);
6372 ctl_done((union ctl_io *)ctsio);
6373 return (CTL_RETVAL_COMPLETE);
6374 }
6375
6376 /*
6377 * Set the IO_CONT flag, so that if this I/O gets passed to
6378 * ctl_config_write_done(), it'll get passed back to
6379 * ctl_do_mode_select() for further processing, or completion if
6380 * we're all done.
6381 */
6382 ctsio->io_hdr.flags |= CTL_FLAG_IO_CONT;
6383 ctsio->io_cont = ctl_do_mode_select;
6384
6385 modepage_info = (union ctl_modepage_info *)
6387 memset(modepage_info, 0, sizeof(*modepage_info));
6388 modepage_info->header.len_left = param_len - header_size - bd_len;
6389 modepage_info->header.len_used = header_size + bd_len;
6390
6391 return (ctl_do_mode_select((union ctl_io *)ctsio));
6392}
6393
6394int
6396{
6397 struct ctl_lun *lun = CTL_LUN(ctsio);
6398 int pc, page_code, llba, subpage;
6399 int alloc_len, page_len, header_len, bd_len, total_len;
6400 void *block_desc;
6401 struct ctl_page_index *page_index;
6402
6403 llba = 0;
6404
6405 CTL_DEBUG_PRINT(("ctl_mode_sense\n"));
6406
6407 switch (ctsio->cdb[0]) {
6408 case MODE_SENSE_6: {
6409 struct scsi_mode_sense_6 *cdb;
6410
6411 cdb = (struct scsi_mode_sense_6 *)ctsio->cdb;
6412
6413 header_len = sizeof(struct scsi_mode_hdr_6);
6414 if (cdb->byte2 & SMS_DBD)
6415 bd_len = 0;
6416 else
6417 bd_len = sizeof(struct scsi_mode_block_descr);
6418 header_len += bd_len;
6419
6420 pc = (cdb->page & SMS_PAGE_CTRL_MASK) >> 6;
6421 page_code = cdb->page & SMS_PAGE_CODE;
6422 subpage = cdb->subpage;
6423 alloc_len = cdb->length;
6424 break;
6425 }
6426 case MODE_SENSE_10: {
6427 struct scsi_mode_sense_10 *cdb;
6428
6429 cdb = (struct scsi_mode_sense_10 *)ctsio->cdb;
6430
6431 header_len = sizeof(struct scsi_mode_hdr_10);
6432 if (cdb->byte2 & SMS_DBD) {
6433 bd_len = 0;
6434 } else if (lun->be_lun->lun_type == T_DIRECT) {
6435 if (cdb->byte2 & SMS10_LLBAA) {
6436 llba = 1;
6437 bd_len = sizeof(struct scsi_mode_block_descr_dlong);
6438 } else
6439 bd_len = sizeof(struct scsi_mode_block_descr_dshort);
6440 } else
6441 bd_len = sizeof(struct scsi_mode_block_descr);
6442 header_len += bd_len;
6443
6444 pc = (cdb->page & SMS_PAGE_CTRL_MASK) >> 6;
6445 page_code = cdb->page & SMS_PAGE_CODE;
6446 subpage = cdb->subpage;
6447 alloc_len = scsi_2btoul(cdb->length);
6448 break;
6449 }
6450 default:
6452 ctl_done((union ctl_io *)ctsio);
6453 return (CTL_RETVAL_COMPLETE);
6454 break; /* NOTREACHED */
6455 }
6456
6457 /*
6458 * We have to make a first pass through to calculate the size of
6459 * the pages that match the user's query. Then we allocate enough
6460 * memory to hold it, and actually copy the data into the buffer.
6461 */
6462 switch (page_code) {
6463 case SMS_ALL_PAGES_PAGE: {
6464 u_int i;
6465
6466 page_len = 0;
6467
6468 /*
6469 * At the moment, values other than 0 and 0xff here are
6470 * reserved according to SPC-3.
6471 */
6472 if ((subpage != SMS_SUBPAGE_PAGE_0)
6473 && (subpage != SMS_SUBPAGE_ALL)) {
6475 /*sks_valid*/ 1,
6476 /*command*/ 1,
6477 /*field*/ 3,
6478 /*bit_valid*/ 0,
6479 /*bit*/ 0);
6480 ctl_done((union ctl_io *)ctsio);
6481 return (CTL_RETVAL_COMPLETE);
6482 }
6483
6484 for (i = 0; i < CTL_NUM_MODE_PAGES; i++) {
6485 page_index = &lun->mode_pages.index[i];
6486
6487 /* Make sure the page is supported for this dev type */
6488 if (lun->be_lun->lun_type == T_DIRECT &&
6489 (page_index->page_flags & CTL_PAGE_FLAG_DIRECT) == 0)
6490 continue;
6491 if (lun->be_lun->lun_type == T_PROCESSOR &&
6492 (page_index->page_flags & CTL_PAGE_FLAG_PROC) == 0)
6493 continue;
6494 if (lun->be_lun->lun_type == T_CDROM &&
6495 (page_index->page_flags & CTL_PAGE_FLAG_CDROM) == 0)
6496 continue;
6497
6498 /*
6499 * We don't use this subpage if the user didn't
6500 * request all subpages.
6501 */
6502 if ((page_index->subpage != 0)
6503 && (subpage == SMS_SUBPAGE_PAGE_0))
6504 continue;
6505
6506 page_len += page_index->page_len;
6507 }
6508 break;
6509 }
6510 default: {
6511 u_int i;
6512
6513 page_len = 0;
6514
6515 for (i = 0; i < CTL_NUM_MODE_PAGES; i++) {
6516 page_index = &lun->mode_pages.index[i];
6517
6518 /* Make sure the page is supported for this dev type */
6519 if (lun->be_lun->lun_type == T_DIRECT &&
6520 (page_index->page_flags & CTL_PAGE_FLAG_DIRECT) == 0)
6521 continue;
6522 if (lun->be_lun->lun_type == T_PROCESSOR &&
6523 (page_index->page_flags & CTL_PAGE_FLAG_PROC) == 0)
6524 continue;
6525 if (lun->be_lun->lun_type == T_CDROM &&
6526 (page_index->page_flags & CTL_PAGE_FLAG_CDROM) == 0)
6527 continue;
6528
6529 /* Look for the right page code */
6530 if ((page_index->page_code & SMPH_PC_MASK) != page_code)
6531 continue;
6532
6533 /* Look for the right subpage or the subpage wildcard*/
6534 if ((page_index->subpage != subpage)
6535 && (subpage != SMS_SUBPAGE_ALL))
6536 continue;
6537
6538 page_len += page_index->page_len;
6539 }
6540
6541 if (page_len == 0) {
6543 /*sks_valid*/ 1,
6544 /*command*/ 1,
6545 /*field*/ 2,
6546 /*bit_valid*/ 1,
6547 /*bit*/ 5);
6548 ctl_done((union ctl_io *)ctsio);
6549 return (CTL_RETVAL_COMPLETE);
6550 }
6551 break;
6552 }
6553 }
6554
6555 total_len = header_len + page_len;
6556
6557 ctsio->kern_data_ptr = malloc(total_len, M_CTL, M_WAITOK | M_ZERO);
6558 ctsio->kern_sg_entries = 0;
6559 ctsio->kern_rel_offset = 0;
6560 ctsio->kern_data_len = min(total_len, alloc_len);
6561 ctsio->kern_total_len = ctsio->kern_data_len;
6562
6563 switch (ctsio->cdb[0]) {
6564 case MODE_SENSE_6: {
6565 struct scsi_mode_hdr_6 *header;
6566
6567 header = (struct scsi_mode_hdr_6 *)ctsio->kern_data_ptr;
6568
6569 header->datalen = MIN(total_len - 1, 254);
6570 if (lun->be_lun->lun_type == T_DIRECT) {
6571 header->dev_specific = 0x10; /* DPOFUA */
6572 if ((lun->be_lun->flags & CTL_LUN_FLAG_READONLY) ||
6573 (lun->MODE_CTRL.eca_and_aen & SCP_SWP) != 0)
6574 header->dev_specific |= 0x80; /* WP */
6575 }
6576 header->block_descr_len = bd_len;
6577 block_desc = &header[1];
6578 break;
6579 }
6580 case MODE_SENSE_10: {
6581 struct scsi_mode_hdr_10 *header;
6582 int datalen;
6583
6584 header = (struct scsi_mode_hdr_10 *)ctsio->kern_data_ptr;
6585
6586 datalen = MIN(total_len - 2, 65533);
6587 scsi_ulto2b(datalen, header->datalen);
6588 if (lun->be_lun->lun_type == T_DIRECT) {
6589 header->dev_specific = 0x10; /* DPOFUA */
6590 if ((lun->be_lun->flags & CTL_LUN_FLAG_READONLY) ||
6591 (lun->MODE_CTRL.eca_and_aen & SCP_SWP) != 0)
6592 header->dev_specific |= 0x80; /* WP */
6593 }
6594 if (llba)
6595 header->flags |= SMH_LONGLBA;
6596 scsi_ulto2b(bd_len, header->block_descr_len);
6597 block_desc = &header[1];
6598 break;
6599 }
6600 default:
6601 panic("%s: Invalid CDB type %#x", __func__, ctsio->cdb[0]);
6602 }
6603
6604 /*
6605 * If we've got a disk, use its blocksize in the block
6606 * descriptor. Otherwise, just set it to 0.
6607 */
6608 if (bd_len > 0) {
6609 if (lun->be_lun->lun_type == T_DIRECT) {
6610 if (llba) {
6611 struct scsi_mode_block_descr_dlong *bd = block_desc;
6612 if (lun->be_lun->maxlba != 0)
6613 scsi_u64to8b(lun->be_lun->maxlba + 1,
6614 bd->num_blocks);
6616 bd->block_len);
6617 } else {
6618 struct scsi_mode_block_descr_dshort *bd = block_desc;
6619 if (lun->be_lun->maxlba != 0)
6620 scsi_ulto4b(MIN(lun->be_lun->maxlba+1,
6621 UINT32_MAX), bd->num_blocks);
6623 bd->block_len);
6624 }
6625 } else {
6626 struct scsi_mode_block_descr *bd = block_desc;
6627 scsi_ulto3b(0, bd->block_len);
6628 }
6629 }
6630
6631 switch (page_code) {
6632 case SMS_ALL_PAGES_PAGE: {
6633 int i, data_used;
6634
6635 data_used = header_len;
6636 for (i = 0; i < CTL_NUM_MODE_PAGES; i++) {
6637 struct ctl_page_index *page_index;
6638
6639 page_index = &lun->mode_pages.index[i];
6640 if (lun->be_lun->lun_type == T_DIRECT &&
6641 (page_index->page_flags & CTL_PAGE_FLAG_DIRECT) == 0)
6642 continue;
6643 if (lun->be_lun->lun_type == T_PROCESSOR &&
6644 (page_index->page_flags & CTL_PAGE_FLAG_PROC) == 0)
6645 continue;
6646 if (lun->be_lun->lun_type == T_CDROM &&
6647 (page_index->page_flags & CTL_PAGE_FLAG_CDROM) == 0)
6648 continue;
6649
6650 /*
6651 * We don't use this subpage if the user didn't
6652 * request all subpages. We already checked (above)
6653 * to make sure the user only specified a subpage
6654 * of 0 or 0xff in the SMS_ALL_PAGES_PAGE case.
6655 */
6656 if ((page_index->subpage != 0)
6658 continue;
6659
6660 /*
6661 * Call the handler, if it exists, to update the
6662 * page to the latest values.
6663 */
6664 if (page_index->sense_handler != NULL)
6665 page_index->sense_handler(ctsio, page_index,pc);
6666
6667 memcpy(ctsio->kern_data_ptr + data_used,
6668 page_index->page_data +
6669 (page_index->page_len * pc),
6670 page_index->page_len);
6671 data_used += page_index->page_len;
6672 }
6673 break;
6674 }
6675 default: {
6676 int i, data_used;
6677
6678 data_used = header_len;
6679
6680 for (i = 0; i < CTL_NUM_MODE_PAGES; i++) {
6681 struct ctl_page_index *page_index;
6682
6683 page_index = &lun->mode_pages.index[i];
6684
6685 /* Look for the right page code */
6686 if ((page_index->page_code & SMPH_PC_MASK) != page_code)
6687 continue;
6688
6689 /* Look for the right subpage or the subpage wildcard*/
6690 if ((page_index->subpage != subpage)
6691 && (subpage != SMS_SUBPAGE_ALL))
6692 continue;
6693
6694 /* Make sure the page is supported for this dev type */
6695 if (lun->be_lun->lun_type == T_DIRECT &&
6696 (page_index->page_flags & CTL_PAGE_FLAG_DIRECT) == 0)
6697 continue;
6698 if (lun->be_lun->lun_type == T_PROCESSOR &&
6699 (page_index->page_flags & CTL_PAGE_FLAG_PROC) == 0)
6700 continue;
6701 if (lun->be_lun->lun_type == T_CDROM &&
6702 (page_index->page_flags & CTL_PAGE_FLAG_CDROM) == 0)
6703 continue;
6704
6705 /*
6706 * Call the handler, if it exists, to update the
6707 * page to the latest values.
6708 */
6709 if (page_index->sense_handler != NULL)
6710 page_index->sense_handler(ctsio, page_index,pc);
6711
6712 memcpy(ctsio->kern_data_ptr + data_used,
6713 page_index->page_data +
6714 (page_index->page_len * pc),
6715 page_index->page_len);
6716 data_used += page_index->page_len;
6717 }
6718 break;
6719 }
6720 }
6721
6722 ctl_set_success(ctsio);
6725 ctl_datamove((union ctl_io *)ctsio);
6726 return (CTL_RETVAL_COMPLETE);
6727}
6728
6729int
6731 struct ctl_page_index *page_index,
6732 int pc)
6733{
6734 struct ctl_lun *lun = CTL_LUN(ctsio);
6735 struct scsi_log_temperature *data;
6736 const char *value;
6737
6738 data = (struct scsi_log_temperature *)page_index->page_data;
6739
6741 data->hdr.param_control = SLP_LBIN;
6742 data->hdr.param_len = sizeof(struct scsi_log_temperature) -
6743 sizeof(struct scsi_log_param_header);
6744 if ((value = dnvlist_get_string(lun->be_lun->options, "temperature",
6745 NULL)) != NULL)
6746 data->temperature = strtol(value, NULL, 0);
6747 else
6748 data->temperature = 0xff;
6749 data++;
6750
6752 data->hdr.param_control = SLP_LBIN;
6753 data->hdr.param_len = sizeof(struct scsi_log_temperature) -
6754 sizeof(struct scsi_log_param_header);
6755 if ((value = dnvlist_get_string(lun->be_lun->options, "reftemperature",
6756 NULL)) != NULL)
6757 data->temperature = strtol(value, NULL, 0);
6758 else
6759 data->temperature = 0xff;
6760 return (0);
6761}
6762
6763int
6765 struct ctl_page_index *page_index,
6766 int pc)
6767{
6768 struct ctl_lun *lun = CTL_LUN(ctsio);
6769 struct scsi_log_param_header *phdr;
6770 uint8_t *data;
6771 uint64_t val;
6772
6773 data = page_index->page_data;
6774
6775 if (lun->backend->lun_attr != NULL &&
6776 (val = lun->backend->lun_attr(lun->be_lun, "blocksavail"))
6777 != UINT64_MAX) {
6778 phdr = (struct scsi_log_param_header *)data;
6779 scsi_ulto2b(0x0001, phdr->param_code);
6780 phdr->param_control = SLP_LBIN | SLP_LP;
6781 phdr->param_len = 8;
6782 data = (uint8_t *)(phdr + 1);
6783 scsi_ulto4b(val >> CTL_LBP_EXPONENT, data);
6784 data[4] = 0x02; /* per-pool */
6785 data += phdr->param_len;
6786 }
6787
6788 if (lun->backend->lun_attr != NULL &&
6789 (val = lun->backend->lun_attr(lun->be_lun, "blocksused"))
6790 != UINT64_MAX) {
6791 phdr = (struct scsi_log_param_header *)data;
6792 scsi_ulto2b(0x0002, phdr->param_code);
6793 phdr->param_control = SLP_LBIN | SLP_LP;
6794 phdr->param_len = 8;
6795 data = (uint8_t *)(phdr + 1);
6796 scsi_ulto4b(val >> CTL_LBP_EXPONENT, data);
6797 data[4] = 0x01; /* per-LUN */
6798 data += phdr->param_len;
6799 }
6800
6801 if (lun->backend->lun_attr != NULL &&
6802 (val = lun->backend->lun_attr(lun->be_lun, "poolblocksavail"))
6803 != UINT64_MAX) {
6804 phdr = (struct scsi_log_param_header *)data;
6805 scsi_ulto2b(0x00f1, phdr->param_code);
6806 phdr->param_control = SLP_LBIN | SLP_LP;
6807 phdr->param_len = 8;
6808 data = (uint8_t *)(phdr + 1);
6809 scsi_ulto4b(val >> CTL_LBP_EXPONENT, data);
6810 data[4] = 0x02; /* per-pool */
6811 data += phdr->param_len;
6812 }
6813
6814 if (lun->backend->lun_attr != NULL &&
6815 (val = lun->backend->lun_attr(lun->be_lun, "poolblocksused"))
6816 != UINT64_MAX) {
6817 phdr = (struct scsi_log_param_header *)data;
6818 scsi_ulto2b(0x00f2, phdr->param_code);
6819 phdr->param_control = SLP_LBIN | SLP_LP;
6820 phdr->param_len = 8;
6821 data = (uint8_t *)(phdr + 1);
6822 scsi_ulto4b(val >> CTL_LBP_EXPONENT, data);
6823 data[4] = 0x02; /* per-pool */
6824 data += phdr->param_len;
6825 }
6826
6827 page_index->page_len = data - page_index->page_data;
6828 return (0);
6829}
6830
6831int
6833 struct ctl_page_index *page_index,
6834 int pc)
6835{
6836 struct ctl_lun *lun = CTL_LUN(ctsio);
6837 struct stat_page *data;
6838 struct bintime *t;
6839
6840 data = (struct stat_page *)page_index->page_data;
6841
6842 scsi_ulto2b(SLP_SAP, data->sap.hdr.param_code);
6843 data->sap.hdr.param_control = SLP_LBIN;
6844 data->sap.hdr.param_len = sizeof(struct scsi_log_stat_and_perf) -
6845 sizeof(struct scsi_log_param_header);
6847 data->sap.read_num);
6849 data->sap.write_num);
6850 if (lun->be_lun->blocksize > 0) {
6852 lun->be_lun->blocksize, data->sap.recvieved_lba);
6854 lun->be_lun->blocksize, data->sap.transmitted_lba);
6855 }
6856 t = &lun->stats.time[CTL_STATS_READ];
6857 scsi_u64to8b((uint64_t)t->sec * 1000 + t->frac / (UINT64_MAX / 1000),
6858 data->sap.read_int);
6859 t = &lun->stats.time[CTL_STATS_WRITE];
6860 scsi_u64to8b((uint64_t)t->sec * 1000 + t->frac / (UINT64_MAX / 1000),
6861 data->sap.write_int);
6862 scsi_u64to8b(0, data->sap.weighted_num);
6863 scsi_u64to8b(0, data->sap.weighted_int);
6864 scsi_ulto2b(SLP_IT, data->it.hdr.param_code);
6865 data->it.hdr.param_control = SLP_LBIN;
6866 data->it.hdr.param_len = sizeof(struct scsi_log_idle_time) -
6867 sizeof(struct scsi_log_param_header);
6868#ifdef CTL_TIME_IO
6869 scsi_u64to8b(lun->idle_time / SBT_1MS, data->it.idle_int);
6870#endif
6871 scsi_ulto2b(SLP_TI, data->ti.hdr.param_code);
6872 data->it.hdr.param_control = SLP_LBIN;
6873 data->ti.hdr.param_len = sizeof(struct scsi_log_time_interval) -
6874 sizeof(struct scsi_log_param_header);
6875 scsi_ulto4b(3, data->ti.exponent);
6876 scsi_ulto4b(1, data->ti.integer);
6877 return (0);
6878}
6879
6880int
6882 struct ctl_page_index *page_index,
6883 int pc)
6884{
6885 struct ctl_lun *lun = CTL_LUN(ctsio);
6887 const char *value;
6888
6889 data = (struct scsi_log_informational_exceptions *)page_index->page_data;
6890
6892 data->hdr.param_control = SLP_LBIN;
6893 data->hdr.param_len = sizeof(struct scsi_log_informational_exceptions) -
6894 sizeof(struct scsi_log_param_header);
6895 data->ie_asc = lun->ie_asc;
6896 data->ie_ascq = lun->ie_ascq;
6897 if ((value = dnvlist_get_string(lun->be_lun->options, "temperature",
6898 NULL)) != NULL)
6899 data->temperature = strtol(value, NULL, 0);
6900 else
6901 data->temperature = 0xff;
6902 return (0);
6903}
6904
6905int
6907{
6908 struct ctl_lun *lun = CTL_LUN(ctsio);
6909 int i, pc, page_code, subpage;
6910 int alloc_len, total_len;
6911 struct ctl_page_index *page_index;
6912 struct scsi_log_sense *cdb;
6913 struct scsi_log_header *header;
6914
6915 CTL_DEBUG_PRINT(("ctl_log_sense\n"));
6916
6917 cdb = (struct scsi_log_sense *)ctsio->cdb;
6918 pc = (cdb->page & SLS_PAGE_CTRL_MASK) >> 6;
6919 page_code = cdb->page & SLS_PAGE_CODE;
6920 subpage = cdb->subpage;
6921 alloc_len = scsi_2btoul(cdb->length);
6922
6923 page_index = NULL;
6924 for (i = 0; i < CTL_NUM_LOG_PAGES; i++) {
6925 page_index = &lun->log_pages.index[i];
6926
6927 /* Look for the right page code */
6928 if ((page_index->page_code & SL_PAGE_CODE) != page_code)
6929 continue;
6930
6931 /* Look for the right subpage or the subpage wildcard*/
6932 if (page_index->subpage != subpage)
6933 continue;
6934
6935 break;
6936 }
6937 if (i >= CTL_NUM_LOG_PAGES) {
6939 /*sks_valid*/ 1,
6940 /*command*/ 1,
6941 /*field*/ 2,
6942 /*bit_valid*/ 0,
6943 /*bit*/ 0);
6944 ctl_done((union ctl_io *)ctsio);
6945 return (CTL_RETVAL_COMPLETE);
6946 }
6947
6948 total_len = sizeof(struct scsi_log_header) + page_index->page_len;
6949
6950 ctsio->kern_data_ptr = malloc(total_len, M_CTL, M_WAITOK | M_ZERO);
6951 ctsio->kern_sg_entries = 0;
6952 ctsio->kern_rel_offset = 0;
6953 ctsio->kern_data_len = min(total_len, alloc_len);
6954 ctsio->kern_total_len = ctsio->kern_data_len;
6955
6956 header = (struct scsi_log_header *)ctsio->kern_data_ptr;
6957 header->page = page_index->page_code;
6958 if (page_index->page_code == SLS_LOGICAL_BLOCK_PROVISIONING)
6959 header->page |= SL_DS;
6960 if (page_index->subpage) {
6961 header->page |= SL_SPF;
6962 header->subpage = page_index->subpage;
6963 }
6964 scsi_ulto2b(page_index->page_len, header->datalen);
6965
6966 /*
6967 * Call the handler, if it exists, to update the
6968 * page to the latest values.
6969 */
6970 if (page_index->sense_handler != NULL)
6971 page_index->sense_handler(ctsio, page_index, pc);
6972
6973 memcpy(header + 1, page_index->page_data, page_index->page_len);
6974
6975 ctl_set_success(ctsio);
6978 ctl_datamove((union ctl_io *)ctsio);
6979 return (CTL_RETVAL_COMPLETE);
6980}
6981
6982int
6984{
6985 struct ctl_lun *lun = CTL_LUN(ctsio);
6986 struct scsi_read_capacity *cdb;
6987 struct scsi_read_capacity_data *data;
6988 uint32_t lba;
6989
6990 CTL_DEBUG_PRINT(("ctl_read_capacity\n"));
6991
6992 cdb = (struct scsi_read_capacity *)ctsio->cdb;
6993
6994 lba = scsi_4btoul(cdb->addr);
6995 if (((cdb->pmi & SRC_PMI) == 0)
6996 && (lba != 0)) {
6997 ctl_set_invalid_field(/*ctsio*/ ctsio,
6998 /*sks_valid*/ 1,
6999 /*command*/ 1,
7000 /*field*/ 2,
7001 /*bit_valid*/ 0,
7002 /*bit*/ 0);
7003 ctl_done((union ctl_io *)ctsio);
7004 return (CTL_RETVAL_COMPLETE);
7005 }
7006
7007 ctsio->kern_data_ptr = malloc(sizeof(*data), M_CTL, M_WAITOK | M_ZERO);
7008 data = (struct scsi_read_capacity_data *)ctsio->kern_data_ptr;
7009 ctsio->kern_data_len = sizeof(*data);
7010 ctsio->kern_total_len = sizeof(*data);
7011 ctsio->kern_rel_offset = 0;
7012 ctsio->kern_sg_entries = 0;
7013
7014 /*
7015 * If the maximum LBA is greater than 0xfffffffe, the user must
7016 * issue a SERVICE ACTION IN (16) command, with the read capacity
7017 * serivce action set.
7018 */
7019 if (lun->be_lun->maxlba > 0xfffffffe)
7020 scsi_ulto4b(0xffffffff, data->addr);
7021 else
7022 scsi_ulto4b(lun->be_lun->maxlba, data->addr);
7023
7024 /*
7025 * XXX KDM this may not be 512 bytes...
7026 */
7027 scsi_ulto4b(lun->be_lun->blocksize, data->length);
7028
7029 ctl_set_success(ctsio);
7032 ctl_datamove((union ctl_io *)ctsio);
7033 return (CTL_RETVAL_COMPLETE);
7034}
7035
7036int
7038{
7039 struct ctl_lun *lun = CTL_LUN(ctsio);
7040 struct scsi_read_capacity_16 *cdb;
7041 struct scsi_read_capacity_data_long *data;
7042 uint64_t lba;
7043 uint32_t alloc_len;
7044
7045 CTL_DEBUG_PRINT(("ctl_read_capacity_16\n"));
7046
7047 cdb = (struct scsi_read_capacity_16 *)ctsio->cdb;
7048
7050 lba = scsi_8btou64(cdb->addr);
7051
7052 if ((cdb->reladr & SRC16_PMI)
7053 && (lba != 0)) {
7054 ctl_set_invalid_field(/*ctsio*/ ctsio,
7055 /*sks_valid*/ 1,
7056 /*command*/ 1,
7057 /*field*/ 2,
7058 /*bit_valid*/ 0,
7059 /*bit*/ 0);
7060 ctl_done((union ctl_io *)ctsio);
7061 return (CTL_RETVAL_COMPLETE);
7062 }
7063
7064 ctsio->kern_data_ptr = malloc(sizeof(*data), M_CTL, M_WAITOK | M_ZERO);
7065 data = (struct scsi_read_capacity_data_long *)ctsio->kern_data_ptr;
7066 ctsio->kern_rel_offset = 0;
7067 ctsio->kern_sg_entries = 0;
7068 ctsio->kern_data_len = min(sizeof(*data), alloc_len);
7069 ctsio->kern_total_len = ctsio->kern_data_len;
7070
7071 scsi_u64to8b(lun->be_lun->maxlba, data->addr);
7072 /* XXX KDM this may not be 512 bytes... */
7073 scsi_ulto4b(lun->be_lun->blocksize, data->length);
7074 data->prot_lbppbe = lun->be_lun->pblockexp & SRC16_LBPPBE;
7076 if (lun->be_lun->flags & CTL_LUN_FLAG_UNMAP)
7077 data->lalba_lbp[0] |= SRC16_LBPME | SRC16_LBPRZ;
7078
7079 ctl_set_success(ctsio);
7082 ctl_datamove((union ctl_io *)ctsio);
7083 return (CTL_RETVAL_COMPLETE);
7084}
7085
7086int
7088{
7089 struct ctl_lun *lun = CTL_LUN(ctsio);
7090 struct scsi_get_lba_status *cdb;
7091 struct scsi_get_lba_status_data *data;
7092 struct ctl_lba_len_flags *lbalen;
7093 uint64_t lba;
7094 uint32_t alloc_len, total_len;
7095 int retval;
7096
7097 CTL_DEBUG_PRINT(("ctl_get_lba_status\n"));
7098
7099 cdb = (struct scsi_get_lba_status *)ctsio->cdb;
7100 lba = scsi_8btou64(cdb->addr);
7102
7103 if (lba > lun->be_lun->maxlba) {
7104 ctl_set_lba_out_of_range(ctsio, lba);
7105 ctl_done((union ctl_io *)ctsio);
7106 return (CTL_RETVAL_COMPLETE);
7107 }
7108
7109 total_len = sizeof(*data) + sizeof(data->descr[0]);
7110 ctsio->kern_data_ptr = malloc(total_len, M_CTL, M_WAITOK | M_ZERO);
7111 data = (struct scsi_get_lba_status_data *)ctsio->kern_data_ptr;
7112 ctsio->kern_rel_offset = 0;
7113 ctsio->kern_sg_entries = 0;
7114 ctsio->kern_data_len = min(total_len, alloc_len);
7115 ctsio->kern_total_len = ctsio->kern_data_len;
7116
7117 /* Fill dummy data in case backend can't tell anything. */
7118 scsi_ulto4b(4 + sizeof(data->descr[0]), data->length);
7119 scsi_u64to8b(lba, data->descr[0].addr);
7120 scsi_ulto4b(MIN(UINT32_MAX, lun->be_lun->maxlba + 1 - lba),
7121 data->descr[0].length);
7122 data->descr[0].status = 0; /* Mapped or unknown. */
7123
7124 ctl_set_success(ctsio);
7127
7128 lbalen = (struct ctl_lba_len_flags *)&ctsio->io_hdr.ctl_private[CTL_PRIV_LBA_LEN];
7129 lbalen->lba = lba;
7130 lbalen->len = total_len;
7131 lbalen->flags = 0;
7132 retval = lun->backend->config_read((union ctl_io *)ctsio);
7133 return (retval);
7134}
7135
7136int
7138{
7139 struct scsi_read_defect_data_10 *ccb10;
7140 struct scsi_read_defect_data_12 *ccb12;
7141 struct scsi_read_defect_data_hdr_10 *data10;
7142 struct scsi_read_defect_data_hdr_12 *data12;
7143 uint32_t alloc_len, data_len;
7144 uint8_t format;
7145
7146 CTL_DEBUG_PRINT(("ctl_read_defect\n"));
7147
7148 if (ctsio->cdb[0] == READ_DEFECT_DATA_10) {
7149 ccb10 = (struct scsi_read_defect_data_10 *)&ctsio->cdb;
7150 format = ccb10->format;
7151 alloc_len = scsi_2btoul(ccb10->alloc_length);
7152 data_len = sizeof(*data10);
7153 } else {
7154 ccb12 = (struct scsi_read_defect_data_12 *)&ctsio->cdb;
7155 format = ccb12->format;
7156 alloc_len = scsi_4btoul(ccb12->alloc_length);
7157 data_len = sizeof(*data12);
7158 }
7159 if (alloc_len == 0) {
7160 ctl_set_success(ctsio);
7161 ctl_done((union ctl_io *)ctsio);
7162 return (CTL_RETVAL_COMPLETE);
7163 }
7164
7165 ctsio->kern_data_ptr = malloc(data_len, M_CTL, M_WAITOK | M_ZERO);
7166 ctsio->kern_rel_offset = 0;
7167 ctsio->kern_sg_entries = 0;
7168 ctsio->kern_data_len = min(data_len, alloc_len);
7169 ctsio->kern_total_len = ctsio->kern_data_len;
7170
7171 if (ctsio->cdb[0] == READ_DEFECT_DATA_10) {
7172 data10 = (struct scsi_read_defect_data_hdr_10 *)
7173 ctsio->kern_data_ptr;
7174 data10->format = format;
7175 scsi_ulto2b(0, data10->length);
7176 } else {
7177 data12 = (struct scsi_read_defect_data_hdr_12 *)
7178 ctsio->kern_data_ptr;
7179 data12->format = format;
7180 scsi_ulto2b(0, data12->generation);
7181 scsi_ulto4b(0, data12->length);
7182 }
7183
7184 ctl_set_success(ctsio);
7187 ctl_datamove((union ctl_io *)ctsio);
7188 return (CTL_RETVAL_COMPLETE);
7189}
7190
7191int
7193{
7194 struct ctl_lun *lun = CTL_LUN(ctsio);
7195 struct scsi_report_ident_info *cdb;
7196 struct scsi_report_ident_info_data *rii_ptr;
7197 struct scsi_report_ident_info_descr *riid_ptr;
7198 const char *oii, *otii;
7199 int retval, alloc_len, total_len = 0, len = 0;
7200
7201 CTL_DEBUG_PRINT(("ctl_report_ident_info\n"));
7202
7203 cdb = (struct scsi_report_ident_info *)ctsio->cdb;
7204 retval = CTL_RETVAL_COMPLETE;
7205
7206 total_len = sizeof(struct scsi_report_ident_info_data);
7207 switch (cdb->type) {
7208 case RII_LUII:
7209 oii = dnvlist_get_string(lun->be_lun->options,
7210 "ident_info", NULL);
7211 if (oii)
7212 len = strlen(oii); /* Approximately */
7213 break;
7214 case RII_LUTII:
7215 otii = dnvlist_get_string(lun->be_lun->options,
7216 "text_ident_info", NULL);
7217 if (otii)
7218 len = strlen(otii) + 1; /* NULL-terminated */
7219 break;
7220 case RII_IIS:
7221 len = 2 * sizeof(struct scsi_report_ident_info_descr);
7222 break;
7223 default:
7224 ctl_set_invalid_field(/*ctsio*/ ctsio,
7225 /*sks_valid*/ 1,
7226 /*command*/ 1,
7227 /*field*/ 11,
7228 /*bit_valid*/ 1,
7229 /*bit*/ 2);
7230 ctl_done((union ctl_io *)ctsio);
7231 return(retval);
7232 }
7233 total_len += len;
7234 alloc_len = scsi_4btoul(cdb->length);
7235
7236 ctsio->kern_data_ptr = malloc(total_len, M_CTL, M_WAITOK | M_ZERO);
7237 ctsio->kern_sg_entries = 0;
7238 ctsio->kern_rel_offset = 0;
7239 ctsio->kern_data_len = min(total_len, alloc_len);
7240 ctsio->kern_total_len = ctsio->kern_data_len;
7241
7242 rii_ptr = (struct scsi_report_ident_info_data *)ctsio->kern_data_ptr;
7243 switch (cdb->type) {
7244 case RII_LUII:
7245 if (oii) {
7246 if (oii[0] == '0' && oii[1] == 'x')
7247 len = hex2bin(oii, (uint8_t *)(rii_ptr + 1), len);
7248 else
7249 strncpy((uint8_t *)(rii_ptr + 1), oii, len);
7250 }
7251 break;
7252 case RII_LUTII:
7253 if (otii)
7254 strlcpy((uint8_t *)(rii_ptr + 1), otii, len);
7255 break;
7256 case RII_IIS:
7257 riid_ptr = (struct scsi_report_ident_info_descr *)(rii_ptr + 1);
7258 riid_ptr->type = RII_LUII;
7259 scsi_ulto2b(0xffff, riid_ptr->length);
7260 riid_ptr++;
7261 riid_ptr->type = RII_LUTII;
7262 scsi_ulto2b(0xffff, riid_ptr->length);
7263 }
7264 scsi_ulto2b(len, rii_ptr->length);
7265
7266 ctl_set_success(ctsio);
7269 ctl_datamove((union ctl_io *)ctsio);
7270 return(retval);
7271}
7272
7273int
7275{
7276 struct ctl_softc *softc = CTL_SOFTC(ctsio);
7277 struct ctl_lun *lun = CTL_LUN(ctsio);
7278 struct scsi_maintenance_in *cdb;
7279 int retval;
7280 int alloc_len, ext, total_len = 0, g, pc, pg, ts, os;
7281 int num_ha_groups, num_target_ports, shared_group;
7282 struct ctl_port *port;
7283 struct scsi_target_group_data *rtg_ptr;
7284 struct scsi_target_group_data_extended *rtg_ext_ptr;
7285 struct scsi_target_port_group_descriptor *tpg_desc;
7286
7287 CTL_DEBUG_PRINT(("ctl_report_tagret_port_groups\n"));
7288
7289 cdb = (struct scsi_maintenance_in *)ctsio->cdb;
7290 retval = CTL_RETVAL_COMPLETE;
7291
7292 switch (cdb->byte2 & STG_PDF_MASK) {
7293 case STG_PDF_LENGTH:
7294 ext = 0;
7295 break;
7296 case STG_PDF_EXTENDED:
7297 ext = 1;
7298 break;
7299 default:
7300 ctl_set_invalid_field(/*ctsio*/ ctsio,
7301 /*sks_valid*/ 1,
7302 /*command*/ 1,
7303 /*field*/ 2,
7304 /*bit_valid*/ 1,
7305 /*bit*/ 5);
7306 ctl_done((union ctl_io *)ctsio);
7307 return(retval);
7308 }
7309
7310 num_target_ports = 0;
7311 shared_group = (softc->is_single != 0);
7312 mtx_lock(&softc->ctl_lock);
7313 STAILQ_FOREACH(port, &softc->port_list, links) {
7314 if ((port->status & CTL_PORT_STATUS_ONLINE) == 0)
7315 continue;
7316 if (ctl_lun_map_to_port(port, lun->lun) == UINT32_MAX)
7317 continue;
7318 num_target_ports++;
7320 shared_group = 1;
7321 }
7322 mtx_unlock(&softc->ctl_lock);
7323 num_ha_groups = (softc->is_single) ? 0 : NUM_HA_SHELVES;
7324
7325 if (ext)
7326 total_len = sizeof(struct scsi_target_group_data_extended);
7327 else
7328 total_len = sizeof(struct scsi_target_group_data);
7329 total_len += sizeof(struct scsi_target_port_group_descriptor) *
7330 (shared_group + num_ha_groups) +
7331 sizeof(struct scsi_target_port_descriptor) * num_target_ports;
7332
7333 alloc_len = scsi_4btoul(cdb->length);
7334
7335 ctsio->kern_data_ptr = malloc(total_len, M_CTL, M_WAITOK | M_ZERO);
7336 ctsio->kern_sg_entries = 0;
7337 ctsio->kern_rel_offset = 0;
7338 ctsio->kern_data_len = min(total_len, alloc_len);
7339 ctsio->kern_total_len = ctsio->kern_data_len;
7340
7341 if (ext) {
7342 rtg_ext_ptr = (struct scsi_target_group_data_extended *)
7343 ctsio->kern_data_ptr;
7344 scsi_ulto4b(total_len - 4, rtg_ext_ptr->length);
7345 rtg_ext_ptr->format_type = 0x10;
7346 rtg_ext_ptr->implicit_transition_time = 0;
7347 tpg_desc = &rtg_ext_ptr->groups[0];
7348 } else {
7349 rtg_ptr = (struct scsi_target_group_data *)
7350 ctsio->kern_data_ptr;
7351 scsi_ulto4b(total_len - 4, rtg_ptr->length);
7352 tpg_desc = &rtg_ptr->groups[0];
7353 }
7354
7355 mtx_lock(&softc->ctl_lock);
7356 pg = softc->port_min / softc->port_cnt;
7358 /* Some shelf is known to be primary. */
7359 if (softc->ha_link == CTL_HA_LINK_OFFLINE)
7361 else if (softc->ha_link == CTL_HA_LINK_UNKNOWN)
7363 else if (softc->ha_mode == CTL_HA_MODE_ACT_STBY)
7365 else
7367 if (lun->flags & CTL_LUN_PRIMARY_SC) {
7369 } else {
7370 ts = os;
7372 }
7373 } else {
7374 /* No known primary shelf. */
7375 if (softc->ha_link == CTL_HA_LINK_OFFLINE) {
7378 } else if (softc->ha_link == CTL_HA_LINK_UNKNOWN) {
7381 } else {
7383 }
7384 }
7385 if (shared_group) {
7386 tpg_desc->pref_state = ts;
7387 tpg_desc->support = TPG_AO_SUP | TPG_AN_SUP | TPG_S_SUP |
7389 scsi_ulto2b(1, tpg_desc->target_port_group);
7390 tpg_desc->status = TPG_IMPLICIT;
7391 pc = 0;
7392 STAILQ_FOREACH(port, &softc->port_list, links) {
7393 if ((port->status & CTL_PORT_STATUS_ONLINE) == 0)
7394 continue;
7395 if (!softc->is_single &&
7396 (port->status & CTL_PORT_STATUS_HA_SHARED) == 0)
7397 continue;
7398 if (ctl_lun_map_to_port(port, lun->lun) == UINT32_MAX)
7399 continue;
7400 scsi_ulto2b(port->targ_port, tpg_desc->descriptors[pc].
7401 relative_target_port_identifier);
7402 pc++;
7403 }
7404 tpg_desc->target_port_count = pc;
7405 tpg_desc = (struct scsi_target_port_group_descriptor *)
7406 &tpg_desc->descriptors[pc];
7407 }
7408 for (g = 0; g < num_ha_groups; g++) {
7409 tpg_desc->pref_state = (g == pg) ? ts : os;
7410 tpg_desc->support = TPG_AO_SUP | TPG_AN_SUP | TPG_S_SUP |
7412 scsi_ulto2b(2 + g, tpg_desc->target_port_group);
7413 tpg_desc->status = TPG_IMPLICIT;
7414 pc = 0;
7415 STAILQ_FOREACH(port, &softc->port_list, links) {
7416 if (port->targ_port < g * softc->port_cnt ||
7417 port->targ_port >= (g + 1) * softc->port_cnt)
7418 continue;
7419 if ((port->status & CTL_PORT_STATUS_ONLINE) == 0)
7420 continue;
7422 continue;
7423 if (ctl_lun_map_to_port(port, lun->lun) == UINT32_MAX)
7424 continue;
7425 scsi_ulto2b(port->targ_port, tpg_desc->descriptors[pc].
7426 relative_target_port_identifier);
7427 pc++;
7428 }
7429 tpg_desc->target_port_count = pc;
7430 tpg_desc = (struct scsi_target_port_group_descriptor *)
7431 &tpg_desc->descriptors[pc];
7432 }
7433 mtx_unlock(&softc->ctl_lock);
7434
7435 ctl_set_success(ctsio);
7438 ctl_datamove((union ctl_io *)ctsio);
7439 return(retval);
7440}
7441
7442int
7444{
7445 struct ctl_lun *lun = CTL_LUN(ctsio);
7447 const struct ctl_cmd_entry *entry, *sentry;
7451 int retval;
7452 int alloc_len, total_len;
7453 int opcode, service_action, i, j, num;
7454
7455 CTL_DEBUG_PRINT(("ctl_report_supported_opcodes\n"));
7456
7457 cdb = (struct scsi_report_supported_opcodes *)ctsio->cdb;
7458 retval = CTL_RETVAL_COMPLETE;
7459
7460 opcode = cdb->requested_opcode;
7462 switch (cdb->options & RSO_OPTIONS_MASK) {
7463 case RSO_OPTIONS_ALL:
7464 num = 0;
7465 for (i = 0; i < 256; i++) {
7466 entry = &ctl_cmd_table[i];
7467 if (entry->flags & CTL_CMD_FLAG_SA5) {
7468 for (j = 0; j < 32; j++) {
7469 sentry = &((const struct ctl_cmd_entry *)
7470 entry->execute)[j];
7472 lun->be_lun->lun_type, sentry))
7473 num++;
7474 }
7475 } else {
7477 entry))
7478 num++;
7479 }
7480 }
7481 total_len = sizeof(struct scsi_report_supported_opcodes_all) +
7482 num * sizeof(struct scsi_report_supported_opcodes_descr);
7483 break;
7484 case RSO_OPTIONS_OC:
7486 ctl_set_invalid_field(/*ctsio*/ ctsio,
7487 /*sks_valid*/ 1,
7488 /*command*/ 1,
7489 /*field*/ 2,
7490 /*bit_valid*/ 1,
7491 /*bit*/ 2);
7492 ctl_done((union ctl_io *)ctsio);
7493 return (CTL_RETVAL_COMPLETE);
7494 }
7495 total_len = sizeof(struct scsi_report_supported_opcodes_one) + 32;
7496 break;
7497 case RSO_OPTIONS_OC_SA:
7498 if ((ctl_cmd_table[opcode].flags & CTL_CMD_FLAG_SA5) == 0 ||
7499 service_action >= 32) {
7500 ctl_set_invalid_field(/*ctsio*/ ctsio,
7501 /*sks_valid*/ 1,
7502 /*command*/ 1,
7503 /*field*/ 2,
7504 /*bit_valid*/ 1,
7505 /*bit*/ 2);
7506 ctl_done((union ctl_io *)ctsio);
7507 return (CTL_RETVAL_COMPLETE);
7508 }
7509 /* FALLTHROUGH */
7510 case RSO_OPTIONS_OC_ASA:
7511 total_len = sizeof(struct scsi_report_supported_opcodes_one) + 32;
7512 break;
7513 default:
7514 ctl_set_invalid_field(/*ctsio*/ ctsio,
7515 /*sks_valid*/ 1,
7516 /*command*/ 1,
7517 /*field*/ 2,
7518 /*bit_valid*/ 1,
7519 /*bit*/ 2);
7520 ctl_done((union ctl_io *)ctsio);
7521 return (CTL_RETVAL_COMPLETE);
7522 }
7523
7524 alloc_len = scsi_4btoul(cdb->length);
7525
7526 ctsio->kern_data_ptr = malloc(total_len, M_CTL, M_WAITOK | M_ZERO);
7527 ctsio->kern_sg_entries = 0;
7528 ctsio->kern_rel_offset = 0;
7529 ctsio->kern_data_len = min(total_len, alloc_len);
7530 ctsio->kern_total_len = ctsio->kern_data_len;
7531
7532 switch (cdb->options & RSO_OPTIONS_MASK) {
7533 case RSO_OPTIONS_ALL:
7534 all = (struct scsi_report_supported_opcodes_all *)
7535 ctsio->kern_data_ptr;
7536 num = 0;
7537 for (i = 0; i < 256; i++) {
7538 entry = &ctl_cmd_table[i];
7539 if (entry->flags & CTL_CMD_FLAG_SA5) {
7540 for (j = 0; j < 32; j++) {
7541 sentry = &((const struct ctl_cmd_entry *)
7542 entry->execute)[j];
7543 if (!ctl_cmd_applicable(
7544 lun->be_lun->lun_type, sentry))
7545 continue;
7546 descr = &all->descr[num++];
7547 descr->opcode = i;
7548 scsi_ulto2b(j, descr->service_action);
7549 descr->flags = RSO_SERVACTV;
7550 scsi_ulto2b(sentry->length,
7551 descr->cdb_length);
7552 }
7553 } else {
7555 entry))
7556 continue;
7557 descr = &all->descr[num++];
7558 descr->opcode = i;
7559 scsi_ulto2b(0, descr->service_action);
7560 descr->flags = 0;
7561 scsi_ulto2b(entry->length, descr->cdb_length);
7562 }
7563 }
7565 num * sizeof(struct scsi_report_supported_opcodes_descr),
7566 all->length);
7567 break;
7568 case RSO_OPTIONS_OC:
7569 one = (struct scsi_report_supported_opcodes_one *)
7570 ctsio->kern_data_ptr;
7571 entry = &ctl_cmd_table[opcode];
7572 goto fill_one;
7573 case RSO_OPTIONS_OC_SA:
7574 one = (struct scsi_report_supported_opcodes_one *)
7575 ctsio->kern_data_ptr;
7576 entry = &ctl_cmd_table[opcode];
7577 entry = &((const struct ctl_cmd_entry *)
7578 entry->execute)[service_action];
7579fill_one:
7580 if (ctl_cmd_applicable(lun->be_lun->lun_type, entry)) {
7581 one->support = 3;
7582 scsi_ulto2b(entry->length, one->cdb_length);
7583 one->cdb_usage[0] = opcode;
7584 memcpy(&one->cdb_usage[1], entry->usage,
7585 entry->length - 1);
7586 } else
7587 one->support = 1;
7588 break;
7589 case RSO_OPTIONS_OC_ASA:
7590 one = (struct scsi_report_supported_opcodes_one *)
7591 ctsio->kern_data_ptr;
7592 entry = &ctl_cmd_table[opcode];
7593 if (entry->flags & CTL_CMD_FLAG_SA5) {
7594 entry = &((const struct ctl_cmd_entry *)
7595 entry->execute)[service_action];
7596 } else if (service_action != 0) {
7597 one->support = 1;
7598 break;
7599 }
7600 goto fill_one;
7601 }
7602
7603 ctl_set_success(ctsio);
7606 ctl_datamove((union ctl_io *)ctsio);
7607 return(retval);
7608}
7609
7610int
7612{
7613 struct scsi_report_supported_tmf *cdb;
7615 int retval;
7616 int alloc_len, total_len;
7617
7618 CTL_DEBUG_PRINT(("ctl_report_supported_tmf\n"));
7619
7620 cdb = (struct scsi_report_supported_tmf *)ctsio->cdb;
7621
7622 retval = CTL_RETVAL_COMPLETE;
7623
7624 if (cdb->options & RST_REPD)
7625 total_len = sizeof(struct scsi_report_supported_tmf_ext_data);
7626 else
7627 total_len = sizeof(struct scsi_report_supported_tmf_data);
7628 alloc_len = scsi_4btoul(cdb->length);
7629
7630 ctsio->kern_data_ptr = malloc(total_len, M_CTL, M_WAITOK | M_ZERO);
7631 ctsio->kern_sg_entries = 0;
7632 ctsio->kern_rel_offset = 0;
7633 ctsio->kern_data_len = min(total_len, alloc_len);
7634 ctsio->kern_total_len = ctsio->kern_data_len;
7635
7636 data = (struct scsi_report_supported_tmf_ext_data *)ctsio->kern_data_ptr;
7637 data->byte1 |= RST_ATS | RST_ATSS | RST_CTSS | RST_LURS | RST_QTS |
7638 RST_TRS;
7639 data->byte2 |= RST_QAES | RST_QTSS | RST_ITNRS;
7640 data->length = total_len - 4;
7641
7642 ctl_set_success(ctsio);
7645 ctl_datamove((union ctl_io *)ctsio);
7646 return (retval);
7647}
7648
7649int
7651{
7652 struct scsi_report_timestamp *cdb;
7653 struct scsi_report_timestamp_data *data;
7654 struct timeval tv;
7655 int64_t timestamp;
7656 int retval;
7657 int alloc_len, total_len;
7658
7659 CTL_DEBUG_PRINT(("ctl_report_timestamp\n"));
7660
7661 cdb = (struct scsi_report_timestamp *)ctsio->cdb;
7662
7663 retval = CTL_RETVAL_COMPLETE;
7664
7665 total_len = sizeof(struct scsi_report_timestamp_data);
7666 alloc_len = scsi_4btoul(cdb->length);
7667
7668 ctsio->kern_data_ptr = malloc(total_len, M_CTL, M_WAITOK | M_ZERO);
7669 ctsio->kern_sg_entries = 0;
7670 ctsio->kern_rel_offset = 0;
7671 ctsio->kern_data_len = min(total_len, alloc_len);
7672 ctsio->kern_total_len = ctsio->kern_data_len;
7673
7674 data = (struct scsi_report_timestamp_data *)ctsio->kern_data_ptr;
7675 scsi_ulto2b(sizeof(*data) - 2, data->length);
7676 data->origin = RTS_ORIG_OUTSIDE;
7677 getmicrotime(&tv);
7678 timestamp = (int64_t)tv.tv_sec * 1000 + tv.tv_usec / 1000;
7679 scsi_ulto4b(timestamp >> 16, data->timestamp);
7680 scsi_ulto2b(timestamp & 0xffff, &data->timestamp[4]);
7681
7682 ctl_set_success(ctsio);
7685 ctl_datamove((union ctl_io *)ctsio);
7686 return (retval);
7687}
7688
7689int
7691{
7692 struct ctl_softc *softc = CTL_SOFTC(ctsio);
7693 struct ctl_lun *lun = CTL_LUN(ctsio);
7694 struct scsi_per_res_in *cdb;
7695 int alloc_len, total_len = 0;
7696 /* struct scsi_per_res_in_rsrv in_data; */
7697 uint64_t key;
7698
7699 CTL_DEBUG_PRINT(("ctl_persistent_reserve_in\n"));
7700
7701 cdb = (struct scsi_per_res_in *)ctsio->cdb;
7702
7703 alloc_len = scsi_2btoul(cdb->length);
7704
7705retry:
7706 mtx_lock(&lun->lun_lock);
7707 switch (cdb->action) {
7708 case SPRI_RK: /* read keys */
7709 total_len = sizeof(struct scsi_per_res_in_keys) +
7710 lun->pr_key_count *
7711 sizeof(struct scsi_per_res_key);
7712 break;
7713 case SPRI_RR: /* read reservation */
7714 if (lun->flags & CTL_LUN_PR_RESERVED)
7715 total_len = sizeof(struct scsi_per_res_in_rsrv);
7716 else
7717 total_len = sizeof(struct scsi_per_res_in_header);
7718 break;
7719 case SPRI_RC: /* report capabilities */
7720 total_len = sizeof(struct scsi_per_res_cap);
7721 break;
7722 case SPRI_RS: /* read full status */
7723 total_len = sizeof(struct scsi_per_res_in_header) +
7724 (sizeof(struct scsi_per_res_in_full_desc) + 256) *
7725 lun->pr_key_count;
7726 break;
7727 default:
7728 panic("%s: Invalid PR type %#x", __func__, cdb->action);
7729 }
7730 mtx_unlock(&lun->lun_lock);
7731
7732 ctsio->kern_data_ptr = malloc(total_len, M_CTL, M_WAITOK | M_ZERO);
7733 ctsio->kern_rel_offset = 0;
7734 ctsio->kern_sg_entries = 0;
7735 ctsio->kern_data_len = min(total_len, alloc_len);
7736 ctsio->kern_total_len = ctsio->kern_data_len;
7737
7738 mtx_lock(&lun->lun_lock);
7739 switch (cdb->action) {
7740 case SPRI_RK: { // read keys
7741 struct scsi_per_res_in_keys *res_keys;
7742 int i, key_count;
7743
7744 res_keys = (struct scsi_per_res_in_keys*)ctsio->kern_data_ptr;
7745
7746 /*
7747 * We had to drop the lock to allocate our buffer, which
7748 * leaves time for someone to come in with another
7749 * persistent reservation. (That is unlikely, though,
7750 * since this should be the only persistent reservation
7751 * command active right now.)
7752 */
7753 if (total_len != (sizeof(struct scsi_per_res_in_keys) +
7754 (lun->pr_key_count *
7755 sizeof(struct scsi_per_res_key)))){
7756 mtx_unlock(&lun->lun_lock);
7757 free(ctsio->kern_data_ptr, M_CTL);
7758 printf("%s: reservation length changed, retrying\n",
7759 __func__);
7760 goto retry;
7761 }
7762
7763 scsi_ulto4b(lun->pr_generation, res_keys->header.generation);
7764
7765 scsi_ulto4b(sizeof(struct scsi_per_res_key) *
7766 lun->pr_key_count, res_keys->header.length);
7767
7768 for (i = 0, key_count = 0; i < CTL_MAX_INITIATORS; i++) {
7769 if ((key = ctl_get_prkey(lun, i)) == 0)
7770 continue;
7771
7772 /*
7773 * We used lun->pr_key_count to calculate the
7774 * size to allocate. If it turns out the number of
7775 * initiators with the registered flag set is
7776 * larger than that (i.e. they haven't been kept in
7777 * sync), we've got a problem.
7778 */
7779 if (key_count >= lun->pr_key_count) {
7780 key_count++;
7781 continue;
7782 }
7783 scsi_u64to8b(key, res_keys->keys[key_count].key);
7784 key_count++;
7785 }
7786 break;
7787 }
7788 case SPRI_RR: { // read reservation
7789 struct scsi_per_res_in_rsrv *res;
7790 int tmp_len, header_only;
7791
7792 res = (struct scsi_per_res_in_rsrv *)ctsio->kern_data_ptr;
7793
7795
7796 if (lun->flags & CTL_LUN_PR_RESERVED)
7797 {
7798 tmp_len = sizeof(struct scsi_per_res_in_rsrv);
7800 res->header.length);
7801 header_only = 0;
7802 } else {
7803 tmp_len = sizeof(struct scsi_per_res_in_header);
7804 scsi_ulto4b(0, res->header.length);
7805 header_only = 1;
7806 }
7807
7808 /*
7809 * We had to drop the lock to allocate our buffer, which
7810 * leaves time for someone to come in with another
7811 * persistent reservation. (That is unlikely, though,
7812 * since this should be the only persistent reservation
7813 * command active right now.)
7814 */
7815 if (tmp_len != total_len) {
7816 mtx_unlock(&lun->lun_lock);
7817 free(ctsio->kern_data_ptr, M_CTL);
7818 printf("%s: reservation status changed, retrying\n",
7819 __func__);
7820 goto retry;
7821 }
7822
7823 /*
7824 * No reservation held, so we're done.
7825 */
7826 if (header_only != 0)
7827 break;
7828
7829 /*
7830 * If the registration is an All Registrants type, the key
7831 * is 0, since it doesn't really matter.
7832 */
7833 if (lun->pr_res_idx != CTL_PR_ALL_REGISTRANTS) {
7835 res->data.reservation);
7836 }
7837 res->data.scopetype = lun->pr_res_type;
7838 break;
7839 }
7840 case SPRI_RC: //report capabilities
7841 {
7842 struct scsi_per_res_cap *res_cap;
7843 uint16_t type_mask;
7844
7845 res_cap = (struct scsi_per_res_cap *)ctsio->kern_data_ptr;
7846 scsi_ulto2b(sizeof(*res_cap), res_cap->length);
7847 res_cap->flags1 = SPRI_CRH;
7848 res_cap->flags2 = SPRI_TMV | SPRI_ALLOW_5;
7855 scsi_ulto2b(type_mask, res_cap->type_mask);
7856 break;
7857 }
7858 case SPRI_RS: { // read full status
7859 struct scsi_per_res_in_full *res_status;
7860 struct scsi_per_res_in_full_desc *res_desc;
7861 struct ctl_port *port;
7862 int i, len;
7863
7864 res_status = (struct scsi_per_res_in_full*)ctsio->kern_data_ptr;
7865
7866 /*
7867 * We had to drop the lock to allocate our buffer, which
7868 * leaves time for someone to come in with another
7869 * persistent reservation. (That is unlikely, though,
7870 * since this should be the only persistent reservation
7871 * command active right now.)
7872 */
7873 if (total_len < (sizeof(struct scsi_per_res_in_header) +
7874 (sizeof(struct scsi_per_res_in_full_desc) + 256) *
7875 lun->pr_key_count)){
7876 mtx_unlock(&lun->lun_lock);
7877 free(ctsio->kern_data_ptr, M_CTL);
7878 printf("%s: reservation length changed, retrying\n",
7879 __func__);
7880 goto retry;
7881 }
7882
7883 scsi_ulto4b(lun->pr_generation, res_status->header.generation);
7884
7885 res_desc = &res_status->desc[0];
7886 for (i = 0; i < CTL_MAX_INITIATORS; i++) {
7887 if ((key = ctl_get_prkey(lun, i)) == 0)
7888 continue;
7889
7890 scsi_u64to8b(key, res_desc->res_key.key);
7891 if ((lun->flags & CTL_LUN_PR_RESERVED) &&
7892 (lun->pr_res_idx == i ||
7894 res_desc->flags = SPRI_FULL_R_HOLDER;
7895 res_desc->scopetype = lun->pr_res_type;
7896 }
7898 res_desc->rel_trgt_port_id);
7899 len = 0;
7900 port = softc->ctl_ports[i / CTL_MAX_INIT_PER_PORT];
7901 if (port != NULL)
7902 len = ctl_create_iid(port,
7904 res_desc->transport_id);
7905 scsi_ulto4b(len, res_desc->additional_length);
7906 res_desc = (struct scsi_per_res_in_full_desc *)
7907 &res_desc->transport_id[len];
7908 }
7909 scsi_ulto4b((uint8_t *)res_desc - (uint8_t *)&res_status->desc[0],
7910 res_status->header.length);
7911 break;
7912 }
7913 default:
7914 panic("%s: Invalid PR type %#x", __func__, cdb->action);
7915 }
7916 mtx_unlock(&lun->lun_lock);
7917
7918 ctl_set_success(ctsio);
7921 ctl_datamove((union ctl_io *)ctsio);
7922 return (CTL_RETVAL_COMPLETE);
7923}
7924
7925/*
7926 * Returns 0 if ctl_persistent_reserve_out() should continue, non-zero if
7927 * it should return.
7928 */
7929static int
7930ctl_pro_preempt(struct ctl_softc *softc, struct ctl_lun *lun, uint64_t res_key,
7931 uint64_t sa_res_key, uint8_t type, uint32_t residx,
7932 struct ctl_scsiio *ctsio, struct scsi_per_res_out *cdb,
7933 struct scsi_per_res_out_parms* param)
7934{
7935 union ctl_ha_msg persis_io;
7936 int i;
7937
7938 mtx_lock(&lun->lun_lock);
7939 if (sa_res_key == 0) {
7941 /* validate scope and type */
7942 if ((cdb->scope_type & SPR_SCOPE_MASK) !=
7943 SPR_LU_SCOPE) {
7944 mtx_unlock(&lun->lun_lock);
7945 ctl_set_invalid_field(/*ctsio*/ ctsio,
7946 /*sks_valid*/ 1,
7947 /*command*/ 1,
7948 /*field*/ 2,
7949 /*bit_valid*/ 1,
7950 /*bit*/ 4);
7951 ctl_done((union ctl_io *)ctsio);
7952 return (1);
7953 }
7954
7955 if (type>8 || type==2 || type==4 || type==0) {
7956 mtx_unlock(&lun->lun_lock);
7957 ctl_set_invalid_field(/*ctsio*/ ctsio,
7958 /*sks_valid*/ 1,
7959 /*command*/ 1,
7960 /*field*/ 2,
7961 /*bit_valid*/ 1,
7962 /*bit*/ 0);
7963 ctl_done((union ctl_io *)ctsio);
7964 return (1);
7965 }
7966
7967 /*
7968 * Unregister everybody else and build UA for
7969 * them
7970 */
7971 for(i = 0; i < CTL_MAX_INITIATORS; i++) {
7972 if (i == residx || ctl_get_prkey(lun, i) == 0)
7973 continue;
7974
7975 ctl_clr_prkey(lun, i);
7977 }
7978 lun->pr_key_count = 1;
7979 lun->pr_res_type = type;
7982 lun->pr_res_idx = residx;
7983 lun->pr_generation++;
7984 mtx_unlock(&lun->lun_lock);
7985
7986 /* send msg to other side */
7987 persis_io.hdr.nexus = ctsio->io_hdr.nexus;
7988 persis_io.hdr.msg_type = CTL_MSG_PERS_ACTION;
7989 persis_io.pr.pr_info.action = CTL_PR_PREEMPT;
7990 persis_io.pr.pr_info.residx = lun->pr_res_idx;
7991 persis_io.pr.pr_info.res_type = type;
7992 memcpy(persis_io.pr.pr_info.sa_res_key,
7993 param->serv_act_res_key,
7994 sizeof(param->serv_act_res_key));
7995 ctl_ha_msg_send(CTL_HA_CHAN_CTL, &persis_io,
7996 sizeof(persis_io.pr), M_WAITOK);
7997 } else {
7998 /* not all registrants */
7999 mtx_unlock(&lun->lun_lock);
8000 free(ctsio->kern_data_ptr, M_CTL);
8002 /*sks_valid*/ 1,
8003 /*command*/ 0,
8004 /*field*/ 8,
8005 /*bit_valid*/ 0,
8006 /*bit*/ 0);
8007 ctl_done((union ctl_io *)ctsio);
8008 return (1);
8009 }
8011 || !(lun->flags & CTL_LUN_PR_RESERVED)) {
8012 int found = 0;
8013
8014 if (res_key == sa_res_key) {
8015 /* special case */
8016 /*
8017 * The spec implies this is not good but doesn't
8018 * say what to do. There are two choices either
8019 * generate a res conflict or check condition
8020 * with illegal field in parameter data. Since
8021 * that is what is done when the sa_res_key is
8022 * zero I'll take that approach since this has
8023 * to do with the sa_res_key.
8024 */
8025 mtx_unlock(&lun->lun_lock);
8026 free(ctsio->kern_data_ptr, M_CTL);
8028 /*sks_valid*/ 1,
8029 /*command*/ 0,
8030 /*field*/ 8,
8031 /*bit_valid*/ 0,
8032 /*bit*/ 0);
8033 ctl_done((union ctl_io *)ctsio);
8034 return (1);
8035 }
8036
8037 for (i = 0; i < CTL_MAX_INITIATORS; i++) {
8038 if (ctl_get_prkey(lun, i) != sa_res_key)
8039 continue;
8040
8041 found = 1;
8042 ctl_clr_prkey(lun, i);
8043 lun->pr_key_count--;
8045 }
8046 if (!found) {
8047 mtx_unlock(&lun->lun_lock);
8048 free(ctsio->kern_data_ptr, M_CTL);
8050 ctl_done((union ctl_io *)ctsio);
8051 return (CTL_RETVAL_COMPLETE);
8052 }
8053 lun->pr_generation++;
8054 mtx_unlock(&lun->lun_lock);
8055
8056 /* send msg to other side */
8057 persis_io.hdr.nexus = ctsio->io_hdr.nexus;
8058 persis_io.hdr.msg_type = CTL_MSG_PERS_ACTION;
8059 persis_io.pr.pr_info.action = CTL_PR_PREEMPT;
8060 persis_io.pr.pr_info.residx = lun->pr_res_idx;
8061 persis_io.pr.pr_info.res_type = type;
8062 memcpy(persis_io.pr.pr_info.sa_res_key,
8063 param->serv_act_res_key,
8064 sizeof(param->serv_act_res_key));
8065 ctl_ha_msg_send(CTL_HA_CHAN_CTL, &persis_io,
8066 sizeof(persis_io.pr), M_WAITOK);
8067 } else {
8068 /* Reserved but not all registrants */
8069 /* sa_res_key is res holder */
8070 if (sa_res_key == ctl_get_prkey(lun, lun->pr_res_idx)) {
8071 /* validate scope and type */
8072 if ((cdb->scope_type & SPR_SCOPE_MASK) !=
8073 SPR_LU_SCOPE) {
8074 mtx_unlock(&lun->lun_lock);
8075 ctl_set_invalid_field(/*ctsio*/ ctsio,
8076 /*sks_valid*/ 1,
8077 /*command*/ 1,
8078 /*field*/ 2,
8079 /*bit_valid*/ 1,
8080 /*bit*/ 4);
8081 ctl_done((union ctl_io *)ctsio);
8082 return (1);
8083 }
8084
8085 if (type>8 || type==2 || type==4 || type==0) {
8086 mtx_unlock(&lun->lun_lock);
8087 ctl_set_invalid_field(/*ctsio*/ ctsio,
8088 /*sks_valid*/ 1,
8089 /*command*/ 1,
8090 /*field*/ 2,
8091 /*bit_valid*/ 1,
8092 /*bit*/ 0);
8093 ctl_done((union ctl_io *)ctsio);
8094 return (1);
8095 }
8096
8097 /*
8098 * Do the following:
8099 * if sa_res_key != res_key remove all
8100 * registrants w/sa_res_key and generate UA
8101 * for these registrants(Registrations
8102 * Preempted) if it wasn't an exclusive
8103 * reservation generate UA(Reservations
8104 * Preempted) for all other registered nexuses
8105 * if the type has changed. Establish the new
8106 * reservation and holder. If res_key and
8107 * sa_res_key are the same do the above
8108 * except don't unregister the res holder.
8109 */
8110
8111 for(i = 0; i < CTL_MAX_INITIATORS; i++) {
8112 if (i == residx || ctl_get_prkey(lun, i) == 0)
8113 continue;
8114
8115 if (sa_res_key == ctl_get_prkey(lun, i)) {
8116 ctl_clr_prkey(lun, i);
8117 lun->pr_key_count--;
8119 } else if (type != lun->pr_res_type &&
8123 }
8124 }
8125 lun->pr_res_type = type;
8128 lun->pr_res_idx = residx;
8129 else
8131 lun->pr_generation++;
8132 mtx_unlock(&lun->lun_lock);
8133
8134 persis_io.hdr.nexus = ctsio->io_hdr.nexus;
8135 persis_io.hdr.msg_type = CTL_MSG_PERS_ACTION;
8136 persis_io.pr.pr_info.action = CTL_PR_PREEMPT;
8137 persis_io.pr.pr_info.residx = lun->pr_res_idx;
8138 persis_io.pr.pr_info.res_type = type;
8139 memcpy(persis_io.pr.pr_info.sa_res_key,
8140 param->serv_act_res_key,
8141 sizeof(param->serv_act_res_key));
8142 ctl_ha_msg_send(CTL_HA_CHAN_CTL, &persis_io,
8143 sizeof(persis_io.pr), M_WAITOK);
8144 } else {
8145 /*
8146 * sa_res_key is not the res holder just
8147 * remove registrants
8148 */
8149 int found=0;
8150
8151 for (i = 0; i < CTL_MAX_INITIATORS; i++) {
8152 if (sa_res_key != ctl_get_prkey(lun, i))
8153 continue;
8154
8155 found = 1;
8156 ctl_clr_prkey(lun, i);
8157 lun->pr_key_count--;
8159 }
8160
8161 if (!found) {
8162 mtx_unlock(&lun->lun_lock);
8163 free(ctsio->kern_data_ptr, M_CTL);
8165 ctl_done((union ctl_io *)ctsio);
8166 return (1);
8167 }
8168 lun->pr_generation++;
8169 mtx_unlock(&lun->lun_lock);
8170
8171 persis_io.hdr.nexus = ctsio->io_hdr.nexus;
8172 persis_io.hdr.msg_type = CTL_MSG_PERS_ACTION;
8173 persis_io.pr.pr_info.action = CTL_PR_PREEMPT;
8174 persis_io.pr.pr_info.residx = lun->pr_res_idx;
8175 persis_io.pr.pr_info.res_type = type;
8176 memcpy(persis_io.pr.pr_info.sa_res_key,
8177 param->serv_act_res_key,
8178 sizeof(param->serv_act_res_key));
8179 ctl_ha_msg_send(CTL_HA_CHAN_CTL, &persis_io,
8180 sizeof(persis_io.pr), M_WAITOK);
8181 }
8182 }
8183 return (0);
8184}
8185
8186static void
8188{
8189 uint64_t sa_res_key;
8190 int i;
8191
8192 sa_res_key = scsi_8btou64(msg->pr.pr_info.sa_res_key);
8193
8196 || sa_res_key != ctl_get_prkey(lun, lun->pr_res_idx)) {
8197 if (sa_res_key == 0) {
8198 /*
8199 * Unregister everybody else and build UA for
8200 * them
8201 */
8202 for(i = 0; i < CTL_MAX_INITIATORS; i++) {
8203 if (i == msg->pr.pr_info.residx ||
8204 ctl_get_prkey(lun, i) == 0)
8205 continue;
8206
8207 ctl_clr_prkey(lun, i);
8209 }
8210
8211 lun->pr_key_count = 1;
8215 lun->pr_res_idx = msg->pr.pr_info.residx;
8216 } else {
8217 for (i = 0; i < CTL_MAX_INITIATORS; i++) {
8218 if (sa_res_key == ctl_get_prkey(lun, i))
8219 continue;
8220
8221 ctl_clr_prkey(lun, i);
8222 lun->pr_key_count--;
8224 }
8225 }
8226 } else {
8227 for (i = 0; i < CTL_MAX_INITIATORS; i++) {
8228 if (i == msg->pr.pr_info.residx ||
8229 ctl_get_prkey(lun, i) == 0)
8230 continue;
8231
8232 if (sa_res_key == ctl_get_prkey(lun, i)) {
8233 ctl_clr_prkey(lun, i);
8234 lun->pr_key_count--;
8236 } else if (msg->pr.pr_info.res_type != lun->pr_res_type
8240 }
8241 }
8245 lun->pr_res_idx = msg->pr.pr_info.residx;
8246 else
8248 }
8249 lun->pr_generation++;
8250
8251}
8252
8253int
8255{
8256 struct ctl_softc *softc = CTL_SOFTC(ctsio);
8257 struct ctl_lun *lun = CTL_LUN(ctsio);
8258 int retval;
8259 u_int32_t param_len;
8260 struct scsi_per_res_out *cdb;
8261 struct scsi_per_res_out_parms* param;
8262 uint32_t residx;
8263 uint64_t res_key, sa_res_key, key;
8264 uint8_t type;
8265 union ctl_ha_msg persis_io;
8266 int i;
8267
8268 CTL_DEBUG_PRINT(("ctl_persistent_reserve_out\n"));
8269
8270 cdb = (struct scsi_per_res_out *)ctsio->cdb;
8271 retval = CTL_RETVAL_COMPLETE;
8272
8273 /*
8274 * We only support whole-LUN scope. The scope & type are ignored for
8275 * register, register and ignore existing key and clear.
8276 * We sometimes ignore scope and type on preempts too!!
8277 * Verify reservation type here as well.
8278 */
8279 type = cdb->scope_type & SPR_TYPE_MASK;
8280 if ((cdb->action == SPRO_RESERVE)
8281 || (cdb->action == SPRO_RELEASE)) {
8282 if ((cdb->scope_type & SPR_SCOPE_MASK) != SPR_LU_SCOPE) {
8283 ctl_set_invalid_field(/*ctsio*/ ctsio,
8284 /*sks_valid*/ 1,
8285 /*command*/ 1,
8286 /*field*/ 2,
8287 /*bit_valid*/ 1,
8288 /*bit*/ 4);
8289 ctl_done((union ctl_io *)ctsio);
8290 return (CTL_RETVAL_COMPLETE);
8291 }
8292
8293 if (type>8 || type==2 || type==4 || type==0) {
8294 ctl_set_invalid_field(/*ctsio*/ ctsio,
8295 /*sks_valid*/ 1,
8296 /*command*/ 1,
8297 /*field*/ 2,
8298 /*bit_valid*/ 1,
8299 /*bit*/ 0);
8300 ctl_done((union ctl_io *)ctsio);
8301 return (CTL_RETVAL_COMPLETE);
8302 }
8303 }
8304
8305 param_len = scsi_4btoul(cdb->length);
8306
8307 if ((ctsio->io_hdr.flags & CTL_FLAG_ALLOCATED) == 0) {
8308 ctsio->kern_data_ptr = malloc(param_len, M_CTL, M_WAITOK);
8309 ctsio->kern_data_len = param_len;
8310 ctsio->kern_total_len = param_len;
8311 ctsio->kern_rel_offset = 0;
8312 ctsio->kern_sg_entries = 0;
8315 ctl_datamove((union ctl_io *)ctsio);
8316
8317 return (CTL_RETVAL_COMPLETE);
8318 }
8319
8320 param = (struct scsi_per_res_out_parms *)ctsio->kern_data_ptr;
8321
8322 residx = ctl_get_initindex(&ctsio->io_hdr.nexus);
8323 res_key = scsi_8btou64(param->res_key.key);
8324 sa_res_key = scsi_8btou64(param->serv_act_res_key);
8325
8326 /*
8327 * Validate the reservation key here except for SPRO_REG_IGNO
8328 * This must be done for all other service actions
8329 */
8330 if ((cdb->action & SPRO_ACTION_MASK) != SPRO_REG_IGNO) {
8331 mtx_lock(&lun->lun_lock);
8332 if ((key = ctl_get_prkey(lun, residx)) != 0) {
8333 if (res_key != key) {
8334 /*
8335 * The current key passed in doesn't match
8336 * the one the initiator previously
8337 * registered.
8338 */
8339 mtx_unlock(&lun->lun_lock);
8340 free(ctsio->kern_data_ptr, M_CTL);
8342 ctl_done((union ctl_io *)ctsio);
8343 return (CTL_RETVAL_COMPLETE);
8344 }
8345 } else if ((cdb->action & SPRO_ACTION_MASK) != SPRO_REGISTER) {
8346 /*
8347 * We are not registered
8348 */
8349 mtx_unlock(&lun->lun_lock);
8350 free(ctsio->kern_data_ptr, M_CTL);
8352 ctl_done((union ctl_io *)ctsio);
8353 return (CTL_RETVAL_COMPLETE);
8354 } else if (res_key != 0) {
8355 /*
8356 * We are not registered and trying to register but
8357 * the register key isn't zero.
8358 */
8359 mtx_unlock(&lun->lun_lock);
8360 free(ctsio->kern_data_ptr, M_CTL);
8362 ctl_done((union ctl_io *)ctsio);
8363 return (CTL_RETVAL_COMPLETE);
8364 }
8365 mtx_unlock(&lun->lun_lock);
8366 }
8367
8368 switch (cdb->action & SPRO_ACTION_MASK) {
8369 case SPRO_REGISTER:
8370 case SPRO_REG_IGNO: {
8371 /*
8372 * We don't support any of these options, as we report in
8373 * the read capabilities request (see
8374 * ctl_persistent_reserve_in(), above).
8375 */
8376 if ((param->flags & SPR_SPEC_I_PT)
8377 || (param->flags & SPR_ALL_TG_PT)
8378 || (param->flags & SPR_APTPL)) {
8379 int bit_ptr;
8380
8381 if (param->flags & SPR_APTPL)
8382 bit_ptr = 0;
8383 else if (param->flags & SPR_ALL_TG_PT)
8384 bit_ptr = 2;
8385 else /* SPR_SPEC_I_PT */
8386 bit_ptr = 3;
8387
8388 free(ctsio->kern_data_ptr, M_CTL);
8390 /*sks_valid*/ 1,
8391 /*command*/ 0,
8392 /*field*/ 20,
8393 /*bit_valid*/ 1,
8394 /*bit*/ bit_ptr);
8395 ctl_done((union ctl_io *)ctsio);
8396 return (CTL_RETVAL_COMPLETE);
8397 }
8398
8399 mtx_lock(&lun->lun_lock);
8400
8401 /*
8402 * The initiator wants to clear the
8403 * key/unregister.
8404 */
8405 if (sa_res_key == 0) {
8406 if ((res_key == 0
8407 && (cdb->action & SPRO_ACTION_MASK) == SPRO_REGISTER)
8408 || ((cdb->action & SPRO_ACTION_MASK) == SPRO_REG_IGNO
8409 && ctl_get_prkey(lun, residx) == 0)) {
8410 mtx_unlock(&lun->lun_lock);
8411 goto done;
8412 }
8413
8414 ctl_clr_prkey(lun, residx);
8415 lun->pr_key_count--;
8416
8417 if (residx == lun->pr_res_idx) {
8418 lun->flags &= ~CTL_LUN_PR_RESERVED;
8420
8421 if ((lun->pr_res_type == SPR_TYPE_WR_EX_RO ||
8422 lun->pr_res_type == SPR_TYPE_EX_AC_RO) &&
8423 lun->pr_key_count) {
8424 /*
8425 * If the reservation is a registrants
8426 * only type we need to generate a UA
8427 * for other registered inits. The
8428 * sense code should be RESERVATIONS
8429 * RELEASED
8430 */
8431
8432 for (i = softc->init_min; i < softc->init_max; i++){
8433 if (ctl_get_prkey(lun, i) == 0)
8434 continue;
8435 ctl_est_ua(lun, i,
8437 }
8438 }
8439 lun->pr_res_type = 0;
8440 } else if (lun->pr_res_idx == CTL_PR_ALL_REGISTRANTS) {
8441 if (lun->pr_key_count==0) {
8442 lun->flags &= ~CTL_LUN_PR_RESERVED;
8443 lun->pr_res_type = 0;
8445 }
8446 }
8447 lun->pr_generation++;
8448 mtx_unlock(&lun->lun_lock);
8449
8450 persis_io.hdr.nexus = ctsio->io_hdr.nexus;
8451 persis_io.hdr.msg_type = CTL_MSG_PERS_ACTION;
8452 persis_io.pr.pr_info.action = CTL_PR_UNREG_KEY;
8453 persis_io.pr.pr_info.residx = residx;
8454 ctl_ha_msg_send(CTL_HA_CHAN_CTL, &persis_io,
8455 sizeof(persis_io.pr), M_WAITOK);
8456 } else /* sa_res_key != 0 */ {
8457 /*
8458 * If we aren't registered currently then increment
8459 * the key count and set the registered flag.
8460 */
8461 ctl_alloc_prkey(lun, residx);
8462 if (ctl_get_prkey(lun, residx) == 0)
8463 lun->pr_key_count++;
8464 ctl_set_prkey(lun, residx, sa_res_key);
8465 lun->pr_generation++;
8466 mtx_unlock(&lun->lun_lock);
8467
8468 persis_io.hdr.nexus = ctsio->io_hdr.nexus;
8469 persis_io.hdr.msg_type = CTL_MSG_PERS_ACTION;
8470 persis_io.pr.pr_info.action = CTL_PR_REG_KEY;
8471 persis_io.pr.pr_info.residx = residx;
8472 memcpy(persis_io.pr.pr_info.sa_res_key,
8473 param->serv_act_res_key,
8474 sizeof(param->serv_act_res_key));
8475 ctl_ha_msg_send(CTL_HA_CHAN_CTL, &persis_io,
8476 sizeof(persis_io.pr), M_WAITOK);
8477 }
8478
8479 break;
8480 }
8481 case SPRO_RESERVE:
8482 mtx_lock(&lun->lun_lock);
8483 if (lun->flags & CTL_LUN_PR_RESERVED) {
8484 /*
8485 * if this isn't the reservation holder and it's
8486 * not a "all registrants" type or if the type is
8487 * different then we have a conflict
8488 */
8489 if ((lun->pr_res_idx != residx
8491 || lun->pr_res_type != type) {
8492 mtx_unlock(&lun->lun_lock);
8493 free(ctsio->kern_data_ptr, M_CTL);
8495 ctl_done((union ctl_io *)ctsio);
8496 return (CTL_RETVAL_COMPLETE);
8497 }
8498 mtx_unlock(&lun->lun_lock);
8499 } else /* create a reservation */ {
8500 /*
8501 * If it's not an "all registrants" type record
8502 * reservation holder
8503 */
8504 if (type != SPR_TYPE_WR_EX_AR
8505 && type != SPR_TYPE_EX_AC_AR)
8506 lun->pr_res_idx = residx; /* Res holder */
8507 else
8509
8510 lun->flags |= CTL_LUN_PR_RESERVED;
8511 lun->pr_res_type = type;
8512
8513 mtx_unlock(&lun->lun_lock);
8514
8515 /* send msg to other side */
8516 persis_io.hdr.nexus = ctsio->io_hdr.nexus;
8517 persis_io.hdr.msg_type = CTL_MSG_PERS_ACTION;
8518 persis_io.pr.pr_info.action = CTL_PR_RESERVE;
8519 persis_io.pr.pr_info.residx = lun->pr_res_idx;
8520 persis_io.pr.pr_info.res_type = type;
8521 ctl_ha_msg_send(CTL_HA_CHAN_CTL, &persis_io,
8522 sizeof(persis_io.pr), M_WAITOK);
8523 }
8524 break;
8525
8526 case SPRO_RELEASE:
8527 mtx_lock(&lun->lun_lock);
8528 if ((lun->flags & CTL_LUN_PR_RESERVED) == 0) {
8529 /* No reservation exists return good status */
8530 mtx_unlock(&lun->lun_lock);
8531 goto done;
8532 }
8533 /*
8534 * Is this nexus a reservation holder?
8535 */
8536 if (lun->pr_res_idx != residx
8538 /*
8539 * not a res holder return good status but
8540 * do nothing
8541 */
8542 mtx_unlock(&lun->lun_lock);
8543 goto done;
8544 }
8545
8546 if (lun->pr_res_type != type) {
8547 mtx_unlock(&lun->lun_lock);
8548 free(ctsio->kern_data_ptr, M_CTL);
8550 ctl_done((union ctl_io *)ctsio);
8551 return (CTL_RETVAL_COMPLETE);
8552 }
8553
8554 /* okay to release */
8555 lun->flags &= ~CTL_LUN_PR_RESERVED;
8557 lun->pr_res_type = 0;
8558
8559 /*
8560 * If this isn't an exclusive access reservation and NUAR
8561 * is not set, generate UA for all other registrants.
8562 */
8563 if (type != SPR_TYPE_EX_AC && type != SPR_TYPE_WR_EX &&
8564 (lun->MODE_CTRL.queue_flags & SCP_NUAR) == 0) {
8565 for (i = softc->init_min; i < softc->init_max; i++) {
8566 if (i == residx || ctl_get_prkey(lun, i) == 0)
8567 continue;
8569 }
8570 }
8571 mtx_unlock(&lun->lun_lock);
8572
8573 /* Send msg to other side */
8574 persis_io.hdr.nexus = ctsio->io_hdr.nexus;
8575 persis_io.hdr.msg_type = CTL_MSG_PERS_ACTION;
8576 persis_io.pr.pr_info.action = CTL_PR_RELEASE;
8577 ctl_ha_msg_send(CTL_HA_CHAN_CTL, &persis_io,
8578 sizeof(persis_io.pr), M_WAITOK);
8579 break;
8580
8581 case SPRO_CLEAR:
8582 /* send msg to other side */
8583
8584 mtx_lock(&lun->lun_lock);
8585 lun->flags &= ~CTL_LUN_PR_RESERVED;
8586 lun->pr_res_type = 0;
8587 lun->pr_key_count = 0;
8589
8590 ctl_clr_prkey(lun, residx);
8591 for (i = 0; i < CTL_MAX_INITIATORS; i++)
8592 if (ctl_get_prkey(lun, i) != 0) {
8593 ctl_clr_prkey(lun, i);
8595 }
8596 lun->pr_generation++;
8597 mtx_unlock(&lun->lun_lock);
8598
8599 persis_io.hdr.nexus = ctsio->io_hdr.nexus;
8600 persis_io.hdr.msg_type = CTL_MSG_PERS_ACTION;
8601 persis_io.pr.pr_info.action = CTL_PR_CLEAR;
8602 ctl_ha_msg_send(CTL_HA_CHAN_CTL, &persis_io,
8603 sizeof(persis_io.pr), M_WAITOK);
8604 break;
8605
8606 case SPRO_PREEMPT:
8607 case SPRO_PRE_ABO: {
8608 int nretval;
8609
8610 nretval = ctl_pro_preempt(softc, lun, res_key, sa_res_key, type,
8611 residx, ctsio, cdb, param);
8612 if (nretval != 0)
8613 return (CTL_RETVAL_COMPLETE);
8614 break;
8615 }
8616 default:
8617 panic("%s: Invalid PR type %#x", __func__, cdb->action);
8618 }
8619
8620done:
8621 free(ctsio->kern_data_ptr, M_CTL);
8622 ctl_set_success(ctsio);
8623 ctl_done((union ctl_io *)ctsio);
8624
8625 return (retval);
8626}
8627
8628/*
8629 * This routine is for handling a message from the other SC pertaining to
8630 * persistent reserve out. All the error checking will have been done
8631 * so only performing the action need be done here to keep the two
8632 * in sync.
8633 */
8634static void
8636{
8637 struct ctl_softc *softc = CTL_SOFTC(io);
8638 union ctl_ha_msg *msg = (union ctl_ha_msg *)&io->presio.pr_msg;
8639 struct ctl_lun *lun;
8640 int i;
8641 uint32_t residx, targ_lun;
8642
8643 targ_lun = msg->hdr.nexus.targ_mapped_lun;
8644 mtx_lock(&softc->ctl_lock);
8645 if (targ_lun >= ctl_max_luns ||
8646 (lun = softc->ctl_luns[targ_lun]) == NULL) {
8647 mtx_unlock(&softc->ctl_lock);
8648 return;
8649 }
8650 mtx_lock(&lun->lun_lock);
8651 mtx_unlock(&softc->ctl_lock);
8652 if (lun->flags & CTL_LUN_DISABLED) {
8653 mtx_unlock(&lun->lun_lock);
8654 return;
8655 }
8656 residx = ctl_get_initindex(&msg->hdr.nexus);
8657 switch(msg->pr.pr_info.action) {
8658 case CTL_PR_REG_KEY:
8660 if (ctl_get_prkey(lun, msg->pr.pr_info.residx) == 0)
8661 lun->pr_key_count++;
8664 lun->pr_generation++;
8665 break;
8666
8667 case CTL_PR_UNREG_KEY:
8669 lun->pr_key_count--;
8670
8671 /* XXX Need to see if the reservation has been released */
8672 /* if so do we need to generate UA? */
8673 if (msg->pr.pr_info.residx == lun->pr_res_idx) {
8674 lun->flags &= ~CTL_LUN_PR_RESERVED;
8676
8679 lun->pr_key_count) {
8680 /*
8681 * If the reservation is a registrants
8682 * only type we need to generate a UA
8683 * for other registered inits. The
8684 * sense code should be RESERVATIONS
8685 * RELEASED
8686 */
8687
8688 for (i = softc->init_min; i < softc->init_max; i++) {
8689 if (ctl_get_prkey(lun, i) == 0)
8690 continue;
8691
8693 }
8694 }
8695 lun->pr_res_type = 0;
8696 } else if (lun->pr_res_idx == CTL_PR_ALL_REGISTRANTS) {
8697 if (lun->pr_key_count==0) {
8698 lun->flags &= ~CTL_LUN_PR_RESERVED;
8699 lun->pr_res_type = 0;
8701 }
8702 }
8703 lun->pr_generation++;
8704 break;
8705
8706 case CTL_PR_RESERVE:
8709 lun->pr_res_idx = msg->pr.pr_info.residx;
8710
8711 break;
8712
8713 case CTL_PR_RELEASE:
8714 /*
8715 * If this isn't an exclusive access reservation and NUAR
8716 * is not set, generate UA for all other registrants.
8717 */
8718 if (lun->pr_res_type != SPR_TYPE_EX_AC &&
8720 (lun->MODE_CTRL.queue_flags & SCP_NUAR) == 0) {
8721 for (i = softc->init_min; i < softc->init_max; i++) {
8722 if (i == residx || ctl_get_prkey(lun, i) == 0)
8723 continue;
8725 }
8726 }
8727
8728 lun->flags &= ~CTL_LUN_PR_RESERVED;
8730 lun->pr_res_type = 0;
8731 break;
8732
8733 case CTL_PR_PREEMPT:
8735 break;
8736 case CTL_PR_CLEAR:
8737 lun->flags &= ~CTL_LUN_PR_RESERVED;
8738 lun->pr_res_type = 0;
8739 lun->pr_key_count = 0;
8741
8742 for (i=0; i < CTL_MAX_INITIATORS; i++) {
8743 if (ctl_get_prkey(lun, i) == 0)
8744 continue;
8745 ctl_clr_prkey(lun, i);
8747 }
8748 lun->pr_generation++;
8749 break;
8750 }
8751
8752 mtx_unlock(&lun->lun_lock);
8753}
8754
8755int
8757{
8758 struct ctl_lun *lun = CTL_LUN(ctsio);
8759 struct ctl_lba_len_flags *lbalen;
8760 uint64_t lba;
8761 uint32_t num_blocks;
8762 int flags, retval;
8763 int isread;
8764
8765 CTL_DEBUG_PRINT(("ctl_read_write: command: %#x\n", ctsio->cdb[0]));
8766
8767 flags = 0;
8768 isread = ctsio->cdb[0] == READ_6 || ctsio->cdb[0] == READ_10
8769 || ctsio->cdb[0] == READ_12 || ctsio->cdb[0] == READ_16;
8770 switch (ctsio->cdb[0]) {
8771 case READ_6:
8772 case WRITE_6: {
8773 struct scsi_rw_6 *cdb;
8774
8775 cdb = (struct scsi_rw_6 *)ctsio->cdb;
8776
8777 lba = scsi_3btoul(cdb->addr);
8778 /* only 5 bits are valid in the most significant address byte */
8779 lba &= 0x1fffff;
8780 num_blocks = cdb->length;
8781 /*
8782 * This is correct according to SBC-2.
8783 */
8784 if (num_blocks == 0)
8785 num_blocks = 256;
8786 break;
8787 }
8788 case READ_10:
8789 case WRITE_10: {
8790 struct scsi_rw_10 *cdb;
8791
8792 cdb = (struct scsi_rw_10 *)ctsio->cdb;
8793 if (cdb->byte2 & SRW10_FUA)
8794 flags |= CTL_LLF_FUA;
8795 if (cdb->byte2 & SRW10_DPO)
8796 flags |= CTL_LLF_DPO;
8797 lba = scsi_4btoul(cdb->addr);
8798 num_blocks = scsi_2btoul(cdb->length);
8799 break;
8800 }
8801 case WRITE_VERIFY_10: {
8802 struct scsi_write_verify_10 *cdb;
8803
8804 cdb = (struct scsi_write_verify_10 *)ctsio->cdb;
8805 flags |= CTL_LLF_FUA;
8806 if (cdb->byte2 & SWV_DPO)
8807 flags |= CTL_LLF_DPO;
8808 lba = scsi_4btoul(cdb->addr);
8809 num_blocks = scsi_2btoul(cdb->length);
8810 break;
8811 }
8812 case READ_12:
8813 case WRITE_12: {
8814 struct scsi_rw_12 *cdb;
8815
8816 cdb = (struct scsi_rw_12 *)ctsio->cdb;
8817 if (cdb->byte2 & SRW12_FUA)
8818 flags |= CTL_LLF_FUA;
8819 if (cdb->byte2 & SRW12_DPO)
8820 flags |= CTL_LLF_DPO;
8821 lba = scsi_4btoul(cdb->addr);
8822 num_blocks = scsi_4btoul(cdb->length);
8823 break;
8824 }
8825 case WRITE_VERIFY_12: {
8826 struct scsi_write_verify_12 *cdb;
8827
8828 cdb = (struct scsi_write_verify_12 *)ctsio->cdb;
8829 flags |= CTL_LLF_FUA;
8830 if (cdb->byte2 & SWV_DPO)
8831 flags |= CTL_LLF_DPO;
8832 lba = scsi_4btoul(cdb->addr);
8833 num_blocks = scsi_4btoul(cdb->length);
8834 break;
8835 }
8836 case READ_16:
8837 case WRITE_16: {
8838 struct scsi_rw_16 *cdb;
8839
8840 cdb = (struct scsi_rw_16 *)ctsio->cdb;
8841 if (cdb->byte2 & SRW12_FUA)
8842 flags |= CTL_LLF_FUA;
8843 if (cdb->byte2 & SRW12_DPO)
8844 flags |= CTL_LLF_DPO;
8845 lba = scsi_8btou64(cdb->addr);
8846 num_blocks = scsi_4btoul(cdb->length);
8847 break;
8848 }
8849 case WRITE_ATOMIC_16: {
8850 struct scsi_write_atomic_16 *cdb;
8851
8852 if (lun->be_lun->atomicblock == 0) {
8854 ctl_done((union ctl_io *)ctsio);
8855 return (CTL_RETVAL_COMPLETE);
8856 }
8857
8858 cdb = (struct scsi_write_atomic_16 *)ctsio->cdb;
8859 if (cdb->byte2 & SRW12_FUA)
8860 flags |= CTL_LLF_FUA;
8861 if (cdb->byte2 & SRW12_DPO)
8862 flags |= CTL_LLF_DPO;
8863 lba = scsi_8btou64(cdb->addr);
8864 num_blocks = scsi_2btoul(cdb->length);
8865 if (num_blocks > lun->be_lun->atomicblock) {
8866 ctl_set_invalid_field(ctsio, /*sks_valid*/ 1,
8867 /*command*/ 1, /*field*/ 12, /*bit_valid*/ 0,
8868 /*bit*/ 0);
8869 ctl_done((union ctl_io *)ctsio);
8870 return (CTL_RETVAL_COMPLETE);
8871 }
8872 break;
8873 }
8874 case WRITE_VERIFY_16: {
8875 struct scsi_write_verify_16 *cdb;
8876
8877 cdb = (struct scsi_write_verify_16 *)ctsio->cdb;
8878 flags |= CTL_LLF_FUA;
8879 if (cdb->byte2 & SWV_DPO)
8880 flags |= CTL_LLF_DPO;
8881 lba = scsi_8btou64(cdb->addr);
8882 num_blocks = scsi_4btoul(cdb->length);
8883 break;
8884 }
8885 default:
8886 /*
8887 * We got a command we don't support. This shouldn't
8888 * happen, commands should be filtered out above us.
8889 */
8891 ctl_done((union ctl_io *)ctsio);
8892
8893 return (CTL_RETVAL_COMPLETE);
8894 break; /* NOTREACHED */
8895 }
8896
8897 /*
8898 * The first check is to make sure we're in bounds, the second
8899 * check is to catch wrap-around problems. If the lba + num blocks
8900 * is less than the lba, then we've wrapped around and the block
8901 * range is invalid anyway.
8902 */
8903 if (((lba + num_blocks) > (lun->be_lun->maxlba + 1))
8904 || ((lba + num_blocks) < lba)) {
8906 MAX(lba, lun->be_lun->maxlba + 1));
8907 ctl_done((union ctl_io *)ctsio);
8908 return (CTL_RETVAL_COMPLETE);
8909 }
8910
8911 /*
8912 * According to SBC-3, a transfer length of 0 is not an error.
8913 * Note that this cannot happen with WRITE(6) or READ(6), since 0
8914 * translates to 256 blocks for those commands.
8915 */
8916 if (num_blocks == 0) {
8917 ctl_set_success(ctsio);
8918 ctl_done((union ctl_io *)ctsio);
8919 return (CTL_RETVAL_COMPLETE);
8920 }
8921
8922 /* Set FUA and/or DPO if caches are disabled. */
8923 if (isread) {
8924 if ((lun->MODE_CACHING.flags1 & SCP_RCD) != 0)
8925 flags |= CTL_LLF_FUA | CTL_LLF_DPO;
8926 } else {
8927 if ((lun->MODE_CACHING.flags1 & SCP_WCE) == 0)
8928 flags |= CTL_LLF_FUA;
8929 }
8930
8931 lbalen = (struct ctl_lba_len_flags *)
8933 lbalen->lba = lba;
8934 lbalen->len = num_blocks;
8935 lbalen->flags = (isread ? CTL_LLF_READ : CTL_LLF_WRITE) | flags;
8936
8937 ctsio->kern_total_len = num_blocks * lun->be_lun->blocksize;
8938 ctsio->kern_rel_offset = 0;
8939
8940 CTL_DEBUG_PRINT(("ctl_read_write: calling data_submit()\n"));
8941
8942 retval = lun->backend->data_submit((union ctl_io *)ctsio);
8943 return (retval);
8944}
8945
8946static int
8948{
8949 struct ctl_lun *lun = CTL_LUN(io);
8950 struct ctl_scsiio *ctsio;
8951 struct ctl_lba_len_flags *lbalen;
8952 int retval;
8953
8954 ctsio = &io->scsiio;
8955 ctsio->io_hdr.status = CTL_STATUS_NONE;
8956 ctsio->io_hdr.flags &= ~CTL_FLAG_IO_CONT;
8957 lbalen = (struct ctl_lba_len_flags *)
8959 lbalen->flags &= ~CTL_LLF_COMPARE;
8960 lbalen->flags |= CTL_LLF_WRITE;
8961
8962 CTL_DEBUG_PRINT(("ctl_cnw_cont: calling data_submit()\n"));
8963 retval = lun->backend->data_submit((union ctl_io *)ctsio);
8964 return (retval);
8965}
8966
8967int
8968ctl_cnw(struct ctl_scsiio *ctsio)
8969{
8970 struct ctl_lun *lun = CTL_LUN(ctsio);
8971 struct ctl_lba_len_flags *lbalen;
8972 uint64_t lba;
8973 uint32_t num_blocks;
8974 int flags, retval;
8975
8976 CTL_DEBUG_PRINT(("ctl_cnw: command: %#x\n", ctsio->cdb[0]));
8977
8978 flags = 0;
8979 switch (ctsio->cdb[0]) {
8980 case COMPARE_AND_WRITE: {
8981 struct scsi_compare_and_write *cdb;
8982
8983 cdb = (struct scsi_compare_and_write *)ctsio->cdb;
8984 if (cdb->byte2 & SRW10_FUA)
8985 flags |= CTL_LLF_FUA;
8986 if (cdb->byte2 & SRW10_DPO)
8987 flags |= CTL_LLF_DPO;
8988 lba = scsi_8btou64(cdb->addr);
8989 num_blocks = cdb->length;
8990 break;
8991 }
8992 default:
8993 /*
8994 * We got a command we don't support. This shouldn't
8995 * happen, commands should be filtered out above us.
8996 */
8998 ctl_done((union ctl_io *)ctsio);
8999
9000 return (CTL_RETVAL_COMPLETE);
9001 break; /* NOTREACHED */
9002 }
9003
9004 /*
9005 * The first check is to make sure we're in bounds, the second
9006 * check is to catch wrap-around problems. If the lba + num blocks
9007 * is less than the lba, then we've wrapped around and the block
9008 * range is invalid anyway.
9009 */
9010 if (((lba + num_blocks) > (lun->be_lun->maxlba + 1))
9011 || ((lba + num_blocks) < lba)) {
9013 MAX(lba, lun->be_lun->maxlba + 1));
9014 ctl_done((union ctl_io *)ctsio);
9015 return (CTL_RETVAL_COMPLETE);
9016 }
9017
9018 /*
9019 * According to SBC-3, a transfer length of 0 is not an error.
9020 */
9021 if (num_blocks == 0) {
9022 ctl_set_success(ctsio);
9023 ctl_done((union ctl_io *)ctsio);
9024 return (CTL_RETVAL_COMPLETE);
9025 }
9026
9027 /* Set FUA if write cache is disabled. */
9028 if ((lun->MODE_CACHING.flags1 & SCP_WCE) == 0)
9029 flags |= CTL_LLF_FUA;
9030
9031 ctsio->kern_total_len = 2 * num_blocks * lun->be_lun->blocksize;
9032 ctsio->kern_rel_offset = 0;
9033
9034 /*
9035 * Set the IO_CONT flag, so that if this I/O gets passed to
9036 * ctl_data_submit_done(), it'll get passed back to
9037 * ctl_ctl_cnw_cont() for further processing.
9038 */
9039 ctsio->io_hdr.flags |= CTL_FLAG_IO_CONT;
9040 ctsio->io_cont = ctl_cnw_cont;
9041
9042 lbalen = (struct ctl_lba_len_flags *)
9044 lbalen->lba = lba;
9045 lbalen->len = num_blocks;
9046 lbalen->flags = CTL_LLF_COMPARE | flags;
9047
9048 CTL_DEBUG_PRINT(("ctl_cnw: calling data_submit()\n"));
9049 retval = lun->backend->data_submit((union ctl_io *)ctsio);
9050 return (retval);
9051}
9052
9053int
9055{
9056 struct ctl_lun *lun = CTL_LUN(ctsio);
9057 struct ctl_lba_len_flags *lbalen;
9058 uint64_t lba;
9059 uint32_t num_blocks;
9060 int bytchk, flags;
9061 int retval;
9062
9063 CTL_DEBUG_PRINT(("ctl_verify: command: %#x\n", ctsio->cdb[0]));
9064
9065 bytchk = 0;
9067 switch (ctsio->cdb[0]) {
9068 case VERIFY_10: {
9069 struct scsi_verify_10 *cdb;
9070
9071 cdb = (struct scsi_verify_10 *)ctsio->cdb;
9072 if (cdb->byte2 & SVFY_BYTCHK)
9073 bytchk = 1;
9074 if (cdb->byte2 & SVFY_DPO)
9075 flags |= CTL_LLF_DPO;
9076 lba = scsi_4btoul(cdb->addr);
9077 num_blocks = scsi_2btoul(cdb->length);
9078 break;
9079 }
9080 case VERIFY_12: {
9081 struct scsi_verify_12 *cdb;
9082
9083 cdb = (struct scsi_verify_12 *)ctsio->cdb;
9084 if (cdb->byte2 & SVFY_BYTCHK)
9085 bytchk = 1;
9086 if (cdb->byte2 & SVFY_DPO)
9087 flags |= CTL_LLF_DPO;
9088 lba = scsi_4btoul(cdb->addr);
9089 num_blocks = scsi_4btoul(cdb->length);
9090 break;
9091 }
9092 case VERIFY_16: {
9093 struct scsi_rw_16 *cdb;
9094
9095 cdb = (struct scsi_rw_16 *)ctsio->cdb;
9096 if (cdb->byte2 & SVFY_BYTCHK)
9097 bytchk = 1;
9098 if (cdb->byte2 & SVFY_DPO)
9099 flags |= CTL_LLF_DPO;
9100 lba = scsi_8btou64(cdb->addr);
9101 num_blocks = scsi_4btoul(cdb->length);
9102 break;
9103 }
9104 default:
9105 /*
9106 * We got a command we don't support. This shouldn't
9107 * happen, commands should be filtered out above us.
9108 */
9110 ctl_done((union ctl_io *)ctsio);
9111 return (CTL_RETVAL_COMPLETE);
9112 }
9113
9114 /*
9115 * The first check is to make sure we're in bounds, the second
9116 * check is to catch wrap-around problems. If the lba + num blocks
9117 * is less than the lba, then we've wrapped around and the block
9118 * range is invalid anyway.
9119 */
9120 if (((lba + num_blocks) > (lun->be_lun->maxlba + 1))
9121 || ((lba + num_blocks) < lba)) {
9123 MAX(lba, lun->be_lun->maxlba + 1));
9124 ctl_done((union ctl_io *)ctsio);
9125 return (CTL_RETVAL_COMPLETE);
9126 }
9127
9128 /*
9129 * According to SBC-3, a transfer length of 0 is not an error.
9130 */
9131 if (num_blocks == 0) {
9132 ctl_set_success(ctsio);
9133 ctl_done((union ctl_io *)ctsio);
9134 return (CTL_RETVAL_COMPLETE);
9135 }
9136
9137 lbalen = (struct ctl_lba_len_flags *)
9139 lbalen->lba = lba;
9140 lbalen->len = num_blocks;
9141 if (bytchk) {
9142 lbalen->flags = CTL_LLF_COMPARE | flags;
9143 ctsio->kern_total_len = num_blocks * lun->be_lun->blocksize;
9144 } else {
9145 lbalen->flags = CTL_LLF_VERIFY | flags;
9146 ctsio->kern_total_len = 0;
9147 }
9148 ctsio->kern_rel_offset = 0;
9149
9150 CTL_DEBUG_PRINT(("ctl_verify: calling data_submit()\n"));
9151 retval = lun->backend->data_submit((union ctl_io *)ctsio);
9152 return (retval);
9153}
9154
9155int
9157{
9158 struct ctl_softc *softc = CTL_SOFTC(ctsio);
9159 struct ctl_port *port = CTL_PORT(ctsio);
9160 struct ctl_lun *lun, *request_lun = CTL_LUN(ctsio);
9161 struct scsi_report_luns *cdb;
9162 struct scsi_report_luns_data *lun_data;
9163 int num_filled, num_luns, num_port_luns, retval;
9164 uint32_t alloc_len, lun_datalen;
9165 uint32_t initidx, targ_lun_id, lun_id;
9166
9167 retval = CTL_RETVAL_COMPLETE;
9168 cdb = (struct scsi_report_luns *)ctsio->cdb;
9169
9170 CTL_DEBUG_PRINT(("ctl_report_luns\n"));
9171
9172 num_luns = 0;
9173 num_port_luns = port->lun_map ? port->lun_map_size : ctl_max_luns;
9174 mtx_lock(&softc->ctl_lock);
9175 for (targ_lun_id = 0; targ_lun_id < num_port_luns; targ_lun_id++) {
9176 if (ctl_lun_map_from_port(port, targ_lun_id) != UINT32_MAX)
9177 num_luns++;
9178 }
9179 mtx_unlock(&softc->ctl_lock);
9180
9181 switch (cdb->select_report) {
9182 case RPL_REPORT_DEFAULT:
9183 case RPL_REPORT_ALL:
9185 break;
9187 case RPL_REPORT_ADMIN:
9188 case RPL_REPORT_CONGLOM:
9189 num_luns = 0;
9190 break;
9191 default:
9193 /*sks_valid*/ 1,
9194 /*command*/ 1,
9195 /*field*/ 2,
9196 /*bit_valid*/ 0,
9197 /*bit*/ 0);
9198 ctl_done((union ctl_io *)ctsio);
9199 return (retval);
9200 break; /* NOTREACHED */
9201 }
9202
9203 alloc_len = scsi_4btoul(cdb->length);
9204 /*
9205 * The initiator has to allocate at least 16 bytes for this request,
9206 * so he can at least get the header and the first LUN. Otherwise
9207 * we reject the request (per SPC-3 rev 14, section 6.21).
9208 */
9209 if (alloc_len < (sizeof(struct scsi_report_luns_data) +
9210 sizeof(struct scsi_report_luns_lundata))) {
9212 /*sks_valid*/ 1,
9213 /*command*/ 1,
9214 /*field*/ 6,
9215 /*bit_valid*/ 0,
9216 /*bit*/ 0);
9217 ctl_done((union ctl_io *)ctsio);
9218 return (retval);
9219 }
9220
9221 lun_datalen = sizeof(*lun_data) +
9222 (num_luns * sizeof(struct scsi_report_luns_lundata));
9223
9224 ctsio->kern_data_ptr = malloc(lun_datalen, M_CTL, M_WAITOK | M_ZERO);
9225 lun_data = (struct scsi_report_luns_data *)ctsio->kern_data_ptr;
9226 ctsio->kern_sg_entries = 0;
9227
9228 initidx = ctl_get_initindex(&ctsio->io_hdr.nexus);
9229
9230 mtx_lock(&softc->ctl_lock);
9231 for (targ_lun_id = 0, num_filled = 0;
9232 targ_lun_id < num_port_luns && num_filled < num_luns;
9233 targ_lun_id++) {
9234 lun_id = ctl_lun_map_from_port(port, targ_lun_id);
9235 if (lun_id == UINT32_MAX)
9236 continue;
9237 lun = softc->ctl_luns[lun_id];
9238 if (lun == NULL)
9239 continue;
9240
9241 be64enc(lun_data->luns[num_filled++].lundata,
9242 ctl_encode_lun(targ_lun_id));
9243
9244 /*
9245 * According to SPC-3, rev 14 section 6.21:
9246 *
9247 * "The execution of a REPORT LUNS command to any valid and
9248 * installed logical unit shall clear the REPORTED LUNS DATA
9249 * HAS CHANGED unit attention condition for all logical
9250 * units of that target with respect to the requesting
9251 * initiator. A valid and installed logical unit is one
9252 * having a PERIPHERAL QUALIFIER of 000b in the standard
9253 * INQUIRY data (see 6.4.2)."
9254 *
9255 * If request_lun is NULL, the LUN this report luns command
9256 * was issued to is either disabled or doesn't exist. In that
9257 * case, we shouldn't clear any pending lun change unit
9258 * attention.
9259 */
9260 if (request_lun != NULL) {
9261 mtx_lock(&lun->lun_lock);
9262 ctl_clr_ua(lun, initidx, CTL_UA_LUN_CHANGE);
9263 mtx_unlock(&lun->lun_lock);
9264 }
9265 }
9266 mtx_unlock(&softc->ctl_lock);
9267
9268 /*
9269 * It's quite possible that we've returned fewer LUNs than we allocated
9270 * space for. Trim it.
9271 */
9272 lun_datalen = sizeof(*lun_data) +
9273 (num_filled * sizeof(struct scsi_report_luns_lundata));
9274 ctsio->kern_rel_offset = 0;
9275 ctsio->kern_sg_entries = 0;
9276 ctsio->kern_data_len = min(lun_datalen, alloc_len);
9277 ctsio->kern_total_len = ctsio->kern_data_len;
9278
9279 /*
9280 * We set this to the actual data length, regardless of how much
9281 * space we actually have to return results. If the user looks at
9282 * this value, he'll know whether or not he allocated enough space
9283 * and reissue the command if necessary. We don't support well
9284 * known logical units, so if the user asks for that, return none.
9285 */
9286 scsi_ulto4b(lun_datalen - 8, lun_data->length);
9287
9288 /*
9289 * We can only return SCSI_STATUS_CHECK_COND when we can't satisfy
9290 * this request.
9291 */
9292 ctl_set_success(ctsio);
9295 ctl_datamove((union ctl_io *)ctsio);
9296 return (retval);
9297}
9298
9299int
9301{
9302 struct ctl_softc *softc = CTL_SOFTC(ctsio);
9303 struct ctl_lun *lun = CTL_LUN(ctsio);
9304 struct scsi_request_sense *cdb;
9305 struct scsi_sense_data *sense_ptr, *ps;
9306 uint32_t initidx;
9307 int have_error;
9308 u_int sense_len = SSD_FULL_SIZE;
9309 scsi_sense_data_type sense_format;
9310 ctl_ua_type ua_type;
9311 uint8_t asc = 0, ascq = 0;
9312
9313 cdb = (struct scsi_request_sense *)ctsio->cdb;
9314
9315 CTL_DEBUG_PRINT(("ctl_request_sense\n"));
9316
9317 /*
9318 * Determine which sense format the user wants.
9319 */
9320 if (cdb->byte2 & SRS_DESC)
9321 sense_format = SSD_TYPE_DESC;
9322 else
9323 sense_format = SSD_TYPE_FIXED;
9324
9325 ctsio->kern_data_ptr = malloc(sizeof(*sense_ptr), M_CTL, M_WAITOK);
9326 sense_ptr = (struct scsi_sense_data *)ctsio->kern_data_ptr;
9327 ctsio->kern_sg_entries = 0;
9328 ctsio->kern_rel_offset = 0;
9329
9330 /*
9331 * struct scsi_sense_data, which is currently set to 256 bytes, is
9332 * larger than the largest allowed value for the length field in the
9333 * REQUEST SENSE CDB, which is 252 bytes as of SPC-4.
9334 */
9335 ctsio->kern_data_len = cdb->length;
9336 ctsio->kern_total_len = cdb->length;
9337
9338 /*
9339 * If we don't have a LUN, we don't have any pending sense.
9340 */
9341 if (lun == NULL ||
9342 ((lun->flags & CTL_LUN_PRIMARY_SC) == 0 &&
9343 softc->ha_link < CTL_HA_LINK_UNKNOWN)) {
9344 /* "Logical unit not supported" */
9345 ctl_set_sense_data(sense_ptr, &sense_len, NULL, sense_format,
9346 /*current_error*/ 1,
9347 /*sense_key*/ SSD_KEY_ILLEGAL_REQUEST,
9348 /*asc*/ 0x25,
9349 /*ascq*/ 0x00,
9351 goto send;
9352 }
9353
9354 have_error = 0;
9355 initidx = ctl_get_initindex(&ctsio->io_hdr.nexus);
9356 /*
9357 * Check for pending sense, and then for pending unit attentions.
9358 * Pending sense gets returned first, then pending unit attentions.
9359 */
9360 mtx_lock(&lun->lun_lock);
9361 ps = lun->pending_sense[initidx / CTL_MAX_INIT_PER_PORT];
9362 if (ps != NULL)
9363 ps += initidx % CTL_MAX_INIT_PER_PORT;
9364 if (ps != NULL && ps->error_code != 0) {
9365 scsi_sense_data_type stored_format;
9366
9367 /*
9368 * Check to see which sense format was used for the stored
9369 * sense data.
9370 */
9371 stored_format = scsi_sense_type(ps);
9372
9373 /*
9374 * If the user requested a different sense format than the
9375 * one we stored, then we need to convert it to the other
9376 * format. If we're going from descriptor to fixed format
9377 * sense data, we may lose things in translation, depending
9378 * on what options were used.
9379 *
9380 * If the stored format is SSD_TYPE_NONE (i.e. invalid),
9381 * for some reason we'll just copy it out as-is.
9382 */
9383 if ((stored_format == SSD_TYPE_FIXED)
9384 && (sense_format == SSD_TYPE_DESC))
9386 ps, (struct scsi_sense_data_desc *)sense_ptr);
9387 else if ((stored_format == SSD_TYPE_DESC)
9388 && (sense_format == SSD_TYPE_FIXED))
9390 ps, (struct scsi_sense_data_fixed *)sense_ptr);
9391 else
9392 memcpy(sense_ptr, ps, sizeof(*sense_ptr));
9393
9394 ps->error_code = 0;
9395 have_error = 1;
9396 } else {
9397 ua_type = ctl_build_ua(lun, initidx, sense_ptr, &sense_len,
9398 sense_format);
9399 if (ua_type != CTL_UA_NONE)
9400 have_error = 1;
9401 }
9402 if (have_error == 0) {
9403 /*
9404 * Report informational exception if have one and allowed.
9405 */
9406 if (lun->MODE_IE.mrie != SIEP_MRIE_NO) {
9407 asc = lun->ie_asc;
9408 ascq = lun->ie_ascq;
9409 }
9410 ctl_set_sense_data(sense_ptr, &sense_len, lun, sense_format,
9411 /*current_error*/ 1,
9412 /*sense_key*/ SSD_KEY_NO_SENSE,
9413 /*asc*/ asc,
9414 /*ascq*/ ascq,
9416 }
9417 mtx_unlock(&lun->lun_lock);
9418
9419send:
9420 /*
9421 * We report the SCSI status as OK, since the status of the command
9422 * itself is OK. We're reporting sense as parameter data.
9423 */
9424 ctl_set_success(ctsio);
9427 ctl_datamove((union ctl_io *)ctsio);
9428 return (CTL_RETVAL_COMPLETE);
9429}
9430
9431int
9432ctl_tur(struct ctl_scsiio *ctsio)
9433{
9434
9435 CTL_DEBUG_PRINT(("ctl_tur\n"));
9436
9437 ctl_set_success(ctsio);
9438 ctl_done((union ctl_io *)ctsio);
9439
9440 return (CTL_RETVAL_COMPLETE);
9441}
9442
9443/*
9444 * SCSI VPD page 0x00, the Supported VPD Pages page.
9445 */
9446static int
9447ctl_inquiry_evpd_supported(struct ctl_scsiio *ctsio, int alloc_len)
9448{
9449 struct ctl_lun *lun = CTL_LUN(ctsio);
9450 struct scsi_vpd_supported_pages *pages;
9451 int sup_page_size;
9452 int p;
9453
9454 sup_page_size = sizeof(struct scsi_vpd_supported_pages) *
9456 ctsio->kern_data_ptr = malloc(sup_page_size, M_CTL, M_WAITOK | M_ZERO);
9457 pages = (struct scsi_vpd_supported_pages *)ctsio->kern_data_ptr;
9458 ctsio->kern_rel_offset = 0;
9459 ctsio->kern_sg_entries = 0;
9460 ctsio->kern_data_len = min(sup_page_size, alloc_len);
9461 ctsio->kern_total_len = ctsio->kern_data_len;
9462
9463 /*
9464 * The control device is always connected. The disk device, on the
9465 * other hand, may not be online all the time. Need to change this
9466 * to figure out whether the disk device is actually online or not.
9467 */
9468 if (lun != NULL)
9469 pages->device = (SID_QUAL_LU_CONNECTED << 5) |
9470 lun->be_lun->lun_type;
9471 else
9472 pages->device = (SID_QUAL_LU_OFFLINE << 5) | T_DIRECT;
9473
9474 p = 0;
9475 /* Supported VPD pages */
9476 pages->page_list[p++] = SVPD_SUPPORTED_PAGES;
9477 /* Serial Number */
9478 pages->page_list[p++] = SVPD_UNIT_SERIAL_NUMBER;
9479 /* Device Identification */
9480 pages->page_list[p++] = SVPD_DEVICE_ID;
9481 /* Extended INQUIRY Data */
9483 /* Mode Page Policy */
9484 pages->page_list[p++] = SVPD_MODE_PAGE_POLICY;
9485 /* SCSI Ports */
9486 pages->page_list[p++] = SVPD_SCSI_PORTS;
9487 /* Third-party Copy */
9488 pages->page_list[p++] = SVPD_SCSI_TPC;
9489 /* SCSI Feature Sets */
9490 pages->page_list[p++] = SVPD_SCSI_SFS;
9491 if (lun != NULL && lun->be_lun->lun_type == T_DIRECT) {
9492 /* Block limits */
9493 pages->page_list[p++] = SVPD_BLOCK_LIMITS;
9494 /* Block Device Characteristics */
9495 pages->page_list[p++] = SVPD_BDC;
9496 /* Logical Block Provisioning */
9497 pages->page_list[p++] = SVPD_LBP;
9498 }
9499 pages->length = p;
9500
9501 ctl_set_success(ctsio);
9504 ctl_datamove((union ctl_io *)ctsio);
9505 return (CTL_RETVAL_COMPLETE);
9506}
9507
9508/*
9509 * SCSI VPD page 0x80, the Unit Serial Number page.
9510 */
9511static int
9512ctl_inquiry_evpd_serial(struct ctl_scsiio *ctsio, int alloc_len)
9513{
9514 struct ctl_lun *lun = CTL_LUN(ctsio);
9515 struct scsi_vpd_unit_serial_number *sn_ptr;
9516 int data_len;
9517
9518 data_len = 4 + CTL_SN_LEN;
9519 ctsio->kern_data_ptr = malloc(data_len, M_CTL, M_WAITOK | M_ZERO);
9520 sn_ptr = (struct scsi_vpd_unit_serial_number *)ctsio->kern_data_ptr;
9521 ctsio->kern_rel_offset = 0;
9522 ctsio->kern_sg_entries = 0;
9523 ctsio->kern_data_len = min(data_len, alloc_len);
9524 ctsio->kern_total_len = ctsio->kern_data_len;
9525
9526 /*
9527 * The control device is always connected. The disk device, on the
9528 * other hand, may not be online all the time. Need to change this
9529 * to figure out whether the disk device is actually online or not.
9530 */
9531 if (lun != NULL)
9532 sn_ptr->device = (SID_QUAL_LU_CONNECTED << 5) |
9533 lun->be_lun->lun_type;
9534 else
9535 sn_ptr->device = (SID_QUAL_LU_OFFLINE << 5) | T_DIRECT;
9536
9538 sn_ptr->length = CTL_SN_LEN;
9539 /*
9540 * If we don't have a LUN, we just leave the serial number as
9541 * all spaces.
9542 */
9543 if (lun != NULL) {
9544 strncpy((char *)sn_ptr->serial_num,
9545 (char *)lun->be_lun->serial_num, CTL_SN_LEN);
9546 } else
9547 memset(sn_ptr->serial_num, 0x20, CTL_SN_LEN);
9548
9549 ctl_set_success(ctsio);
9552 ctl_datamove((union ctl_io *)ctsio);
9553 return (CTL_RETVAL_COMPLETE);
9554}
9555
9556/*
9557 * SCSI VPD page 0x86, the Extended INQUIRY Data page.
9558 */
9559static int
9560ctl_inquiry_evpd_eid(struct ctl_scsiio *ctsio, int alloc_len)
9561{
9562 struct ctl_lun *lun = CTL_LUN(ctsio);
9563 struct scsi_vpd_extended_inquiry_data *eid_ptr;
9564 int data_len;
9565
9566 data_len = sizeof(struct scsi_vpd_extended_inquiry_data);
9567 ctsio->kern_data_ptr = malloc(data_len, M_CTL, M_WAITOK | M_ZERO);
9568 eid_ptr = (struct scsi_vpd_extended_inquiry_data *)ctsio->kern_data_ptr;
9569 ctsio->kern_sg_entries = 0;
9570 ctsio->kern_rel_offset = 0;
9571 ctsio->kern_data_len = min(data_len, alloc_len);
9572 ctsio->kern_total_len = ctsio->kern_data_len;
9573
9574 /*
9575 * The control device is always connected. The disk device, on the
9576 * other hand, may not be online all the time.
9577 */
9578 if (lun != NULL)
9579 eid_ptr->device = (SID_QUAL_LU_CONNECTED << 5) |
9580 lun->be_lun->lun_type;
9581 else
9582 eid_ptr->device = (SID_QUAL_LU_OFFLINE << 5) | T_DIRECT;
9584 scsi_ulto2b(data_len - 4, eid_ptr->page_length);
9585 /*
9586 * We support head of queue, ordered and simple tags.
9587 */
9589 /*
9590 * Volatile cache supported.
9591 */
9592 eid_ptr->flags3 = SVPD_EID_V_SUP;
9593
9594 /*
9595 * This means that we clear the REPORTED LUNS DATA HAS CHANGED unit
9596 * attention for a particular IT nexus on all LUNs once we report
9597 * it to that nexus once. This bit is required as of SPC-4.
9598 */
9599 eid_ptr->flags4 = SVPD_EID_LUICLR;
9600
9601 /*
9602 * We support revert to defaults (RTD) bit in MODE SELECT.
9603 */
9604 eid_ptr->flags5 = SVPD_EID_RTD_SUP;
9605
9606 /*
9607 * XXX KDM in order to correctly answer this, we would need
9608 * information from the SIM to determine how much sense data it
9609 * can send. So this would really be a path inquiry field, most
9610 * likely. This can be set to a maximum of 252 according to SPC-4,
9611 * but the hardware may or may not be able to support that much.
9612 * 0 just means that the maximum sense data length is not reported.
9613 */
9614 eid_ptr->max_sense_length = 0;
9615
9616 ctl_set_success(ctsio);
9619 ctl_datamove((union ctl_io *)ctsio);
9620 return (CTL_RETVAL_COMPLETE);
9621}
9622
9623static int
9624ctl_inquiry_evpd_mpp(struct ctl_scsiio *ctsio, int alloc_len)
9625{
9626 struct ctl_lun *lun = CTL_LUN(ctsio);
9627 struct scsi_vpd_mode_page_policy *mpp_ptr;
9628 int data_len;
9629
9630 data_len = sizeof(struct scsi_vpd_mode_page_policy) +
9631 sizeof(struct scsi_vpd_mode_page_policy_descr);
9632
9633 ctsio->kern_data_ptr = malloc(data_len, M_CTL, M_WAITOK | M_ZERO);
9634 mpp_ptr = (struct scsi_vpd_mode_page_policy *)ctsio->kern_data_ptr;
9635 ctsio->kern_rel_offset = 0;
9636 ctsio->kern_sg_entries = 0;
9637 ctsio->kern_data_len = min(data_len, alloc_len);
9638 ctsio->kern_total_len = ctsio->kern_data_len;
9639
9640 /*
9641 * The control device is always connected. The disk device, on the
9642 * other hand, may not be online all the time.
9643 */
9644 if (lun != NULL)
9645 mpp_ptr->device = (SID_QUAL_LU_CONNECTED << 5) |
9646 lun->be_lun->lun_type;
9647 else
9648 mpp_ptr->device = (SID_QUAL_LU_OFFLINE << 5) | T_DIRECT;
9650 scsi_ulto2b(data_len - 4, mpp_ptr->page_length);
9651 mpp_ptr->descr[0].page_code = 0x3f;
9652 mpp_ptr->descr[0].subpage_code = 0xff;
9653 mpp_ptr->descr[0].policy = SVPD_MPP_SHARED;
9654
9655 ctl_set_success(ctsio);
9658 ctl_datamove((union ctl_io *)ctsio);
9659 return (CTL_RETVAL_COMPLETE);
9660}
9661
9662/*
9663 * SCSI VPD page 0x83, the Device Identification page.
9664 */
9665static int
9666ctl_inquiry_evpd_devid(struct ctl_scsiio *ctsio, int alloc_len)
9667{
9668 struct ctl_softc *softc = CTL_SOFTC(ctsio);
9669 struct ctl_port *port = CTL_PORT(ctsio);
9670 struct ctl_lun *lun = CTL_LUN(ctsio);
9671 struct scsi_vpd_device_id *devid_ptr;
9672 struct scsi_vpd_id_descriptor *desc;
9673 int data_len, g;
9674 uint8_t proto;
9675
9676 data_len = sizeof(struct scsi_vpd_device_id) +
9677 sizeof(struct scsi_vpd_id_descriptor) +
9678 sizeof(struct scsi_vpd_id_rel_trgt_port_id) +
9679 sizeof(struct scsi_vpd_id_descriptor) +
9680 sizeof(struct scsi_vpd_id_trgt_port_grp_id);
9681 if (lun && lun->lun_devid)
9682 data_len += lun->lun_devid->len;
9683 if (port && port->port_devid)
9684 data_len += port->port_devid->len;
9685 if (port && port->target_devid)
9686 data_len += port->target_devid->len;
9687
9688 ctsio->kern_data_ptr = malloc(data_len, M_CTL, M_WAITOK | M_ZERO);
9689 devid_ptr = (struct scsi_vpd_device_id *)ctsio->kern_data_ptr;
9690 ctsio->kern_sg_entries = 0;
9691 ctsio->kern_rel_offset = 0;
9692 ctsio->kern_sg_entries = 0;
9693 ctsio->kern_data_len = min(data_len, alloc_len);
9694 ctsio->kern_total_len = ctsio->kern_data_len;
9695
9696 /*
9697 * The control device is always connected. The disk device, on the
9698 * other hand, may not be online all the time.
9699 */
9700 if (lun != NULL)
9701 devid_ptr->device = (SID_QUAL_LU_CONNECTED << 5) |
9702 lun->be_lun->lun_type;
9703 else
9704 devid_ptr->device = (SID_QUAL_LU_OFFLINE << 5) | T_DIRECT;
9705 devid_ptr->page_code = SVPD_DEVICE_ID;
9706 scsi_ulto2b(data_len - 4, devid_ptr->length);
9707
9708 if (port && port->port_type == CTL_PORT_FC)
9709 proto = SCSI_PROTO_FC << 4;
9710 else if (port && port->port_type == CTL_PORT_SAS)
9711 proto = SCSI_PROTO_SAS << 4;
9712 else if (port && port->port_type == CTL_PORT_ISCSI)
9713 proto = SCSI_PROTO_ISCSI << 4;
9714 else
9715 proto = SCSI_PROTO_SPI << 4;
9716 desc = (struct scsi_vpd_id_descriptor *)devid_ptr->desc_list;
9717
9718 /*
9719 * We're using a LUN association here. i.e., this device ID is a
9720 * per-LUN identifier.
9721 */
9722 if (lun && lun->lun_devid) {
9723 memcpy(desc, lun->lun_devid->data, lun->lun_devid->len);
9724 desc = (struct scsi_vpd_id_descriptor *)((uint8_t *)desc +
9725 lun->lun_devid->len);
9726 }
9727
9728 /*
9729 * This is for the WWPN which is a port association.
9730 */
9731 if (port && port->port_devid) {
9732 memcpy(desc, port->port_devid->data, port->port_devid->len);
9733 desc = (struct scsi_vpd_id_descriptor *)((uint8_t *)desc +
9734 port->port_devid->len);
9735 }
9736
9737 /*
9738 * This is for the Relative Target Port(type 4h) identifier
9739 */
9740 desc->proto_codeset = proto | SVPD_ID_CODESET_BINARY;
9743 desc->length = 4;
9744 scsi_ulto2b(ctsio->io_hdr.nexus.targ_port, &desc->identifier[2]);
9745 desc = (struct scsi_vpd_id_descriptor *)(&desc->identifier[0] +
9746 sizeof(struct scsi_vpd_id_rel_trgt_port_id));
9747
9748 /*
9749 * This is for the Target Port Group(type 5h) identifier
9750 */
9751 desc->proto_codeset = proto | SVPD_ID_CODESET_BINARY;
9754 desc->length = 4;
9755 if (softc->is_single ||
9756 (port && port->status & CTL_PORT_STATUS_HA_SHARED))
9757 g = 1;
9758 else
9759 g = 2 + ctsio->io_hdr.nexus.targ_port / softc->port_cnt;
9760 scsi_ulto2b(g, &desc->identifier[2]);
9761 desc = (struct scsi_vpd_id_descriptor *)(&desc->identifier[0] +
9762 sizeof(struct scsi_vpd_id_trgt_port_grp_id));
9763
9764 /*
9765 * This is for the Target identifier
9766 */
9767 if (port && port->target_devid) {
9768 memcpy(desc, port->target_devid->data, port->target_devid->len);
9769 }
9770
9771 ctl_set_success(ctsio);
9774 ctl_datamove((union ctl_io *)ctsio);
9775 return (CTL_RETVAL_COMPLETE);
9776}
9777
9778static int
9779ctl_inquiry_evpd_scsi_ports(struct ctl_scsiio *ctsio, int alloc_len)
9780{
9781 struct ctl_softc *softc = CTL_SOFTC(ctsio);
9782 struct ctl_lun *lun = CTL_LUN(ctsio);
9783 struct scsi_vpd_scsi_ports *sp;
9784 struct scsi_vpd_port_designation *pd;
9786 struct ctl_port *port;
9787 int data_len, num_target_ports, iid_len, id_len;
9788
9789 num_target_ports = 0;
9790 iid_len = 0;
9791 id_len = 0;
9792 mtx_lock(&softc->ctl_lock);
9793 STAILQ_FOREACH(port, &softc->port_list, links) {
9794 if ((port->status & CTL_PORT_STATUS_ONLINE) == 0)
9795 continue;
9796 if (lun != NULL &&
9797 ctl_lun_map_to_port(port, lun->lun) == UINT32_MAX)
9798 continue;
9799 num_target_ports++;
9800 if (port->init_devid)
9801 iid_len += port->init_devid->len;
9802 if (port->port_devid)
9803 id_len += port->port_devid->len;
9804 }
9805 mtx_unlock(&softc->ctl_lock);
9806
9807 data_len = sizeof(struct scsi_vpd_scsi_ports) +
9808 num_target_ports * (sizeof(struct scsi_vpd_port_designation) +
9809 sizeof(struct scsi_vpd_port_designation_cont)) + iid_len + id_len;
9810 ctsio->kern_data_ptr = malloc(data_len, M_CTL, M_WAITOK | M_ZERO);
9811 sp = (struct scsi_vpd_scsi_ports *)ctsio->kern_data_ptr;
9812 ctsio->kern_sg_entries = 0;
9813 ctsio->kern_rel_offset = 0;
9814 ctsio->kern_sg_entries = 0;
9815 ctsio->kern_data_len = min(data_len, alloc_len);
9816 ctsio->kern_total_len = ctsio->kern_data_len;
9817
9818 /*
9819 * The control device is always connected. The disk device, on the
9820 * other hand, may not be online all the time. Need to change this
9821 * to figure out whether the disk device is actually online or not.
9822 */
9823 if (lun != NULL)
9824 sp->device = (SID_QUAL_LU_CONNECTED << 5) |
9825 lun->be_lun->lun_type;
9826 else
9827 sp->device = (SID_QUAL_LU_OFFLINE << 5) | T_DIRECT;
9828
9830 scsi_ulto2b(data_len - sizeof(struct scsi_vpd_scsi_ports),
9831 sp->page_length);
9832 pd = &sp->design[0];
9833
9834 mtx_lock(&softc->ctl_lock);
9835 STAILQ_FOREACH(port, &softc->port_list, links) {
9836 if ((port->status & CTL_PORT_STATUS_ONLINE) == 0)
9837 continue;
9838 if (lun != NULL &&
9839 ctl_lun_map_to_port(port, lun->lun) == UINT32_MAX)
9840 continue;
9842 if (port->init_devid) {
9843 iid_len = port->init_devid->len;
9844 memcpy(pd->initiator_transportid,
9845 port->init_devid->data, port->init_devid->len);
9846 } else
9847 iid_len = 0;
9849 pdc = (struct scsi_vpd_port_designation_cont *)
9850 (&pd->initiator_transportid[iid_len]);
9851 if (port->port_devid) {
9852 id_len = port->port_devid->len;
9853 memcpy(pdc->target_port_descriptors,
9854 port->port_devid->data, port->port_devid->len);
9855 } else
9856 id_len = 0;
9858 pd = (struct scsi_vpd_port_designation *)
9859 ((uint8_t *)pdc->target_port_descriptors + id_len);
9860 }
9861 mtx_unlock(&softc->ctl_lock);
9862
9863 ctl_set_success(ctsio);
9866 ctl_datamove((union ctl_io *)ctsio);
9867 return (CTL_RETVAL_COMPLETE);
9868}
9869
9870static int
9871ctl_inquiry_evpd_sfs(struct ctl_scsiio *ctsio, int alloc_len)
9872{
9873 struct ctl_lun *lun = CTL_LUN(ctsio);
9874 struct scsi_vpd_sfs *sfs_ptr;
9875 int sfs_page_size, n;
9876
9877 sfs_page_size = sizeof(*sfs_ptr) + 5 * 2;
9878 ctsio->kern_data_ptr = malloc(sfs_page_size, M_CTL, M_WAITOK | M_ZERO);
9879 sfs_ptr = (struct scsi_vpd_sfs *)ctsio->kern_data_ptr;
9880 ctsio->kern_sg_entries = 0;
9881 ctsio->kern_rel_offset = 0;
9882 ctsio->kern_sg_entries = 0;
9883 ctsio->kern_data_len = min(sfs_page_size, alloc_len);
9884 ctsio->kern_total_len = ctsio->kern_data_len;
9885
9886 /*
9887 * The control device is always connected. The disk device, on the
9888 * other hand, may not be online all the time. Need to change this
9889 * to figure out whether the disk device is actually online or not.
9890 */
9891 if (lun != NULL)
9892 sfs_ptr->device = (SID_QUAL_LU_CONNECTED << 5) |
9893 lun->be_lun->lun_type;
9894 else
9895 sfs_ptr->device = (SID_QUAL_LU_OFFLINE << 5) | T_DIRECT;
9896
9897 sfs_ptr->page_code = SVPD_SCSI_SFS;
9898 n = 0;
9899 /* Discovery 2016 */
9900 scsi_ulto2b(0x0001, &sfs_ptr->codes[2 * n++]);
9901 if (lun != NULL && lun->be_lun->lun_type == T_DIRECT) {
9902 /* SBC Base 2016 */
9903 scsi_ulto2b(0x0101, &sfs_ptr->codes[2 * n++]);
9904 /* SBC Base 2010 */
9905 scsi_ulto2b(0x0102, &sfs_ptr->codes[2 * n++]);
9906 if (lun->be_lun->flags & CTL_LUN_FLAG_UNMAP) {
9907 /* Basic Provisioning 2016 */
9908 scsi_ulto2b(0x0103, &sfs_ptr->codes[2 * n++]);
9909 }
9910 /* Drive Maintenance 2016 */
9911 //scsi_ulto2b(0x0104, &sfs_ptr->codes[2 * n++]);
9912 }
9913 scsi_ulto2b(4 + 2 * n, sfs_ptr->page_length);
9914
9915 ctl_set_success(ctsio);
9918 ctl_datamove((union ctl_io *)ctsio);
9919 return (CTL_RETVAL_COMPLETE);
9920}
9921
9922static int
9923ctl_inquiry_evpd_block_limits(struct ctl_scsiio *ctsio, int alloc_len)
9924{
9925 struct ctl_lun *lun = CTL_LUN(ctsio);
9926 struct scsi_vpd_block_limits *bl_ptr;
9927 const char *val;
9928 uint64_t ival;
9929
9930 ctsio->kern_data_ptr = malloc(sizeof(*bl_ptr), M_CTL, M_WAITOK | M_ZERO);
9931 bl_ptr = (struct scsi_vpd_block_limits *)ctsio->kern_data_ptr;
9932 ctsio->kern_sg_entries = 0;
9933 ctsio->kern_rel_offset = 0;
9934 ctsio->kern_sg_entries = 0;
9935 ctsio->kern_data_len = min(sizeof(*bl_ptr), alloc_len);
9936 ctsio->kern_total_len = ctsio->kern_data_len;
9937
9938 /*
9939 * The control device is always connected. The disk device, on the
9940 * other hand, may not be online all the time. Need to change this
9941 * to figure out whether the disk device is actually online or not.
9942 */
9943 if (lun != NULL)
9944 bl_ptr->device = (SID_QUAL_LU_CONNECTED << 5) |
9945 lun->be_lun->lun_type;
9946 else
9947 bl_ptr->device = (SID_QUAL_LU_OFFLINE << 5) | T_DIRECT;
9948
9949 bl_ptr->page_code = SVPD_BLOCK_LIMITS;
9950 scsi_ulto2b(sizeof(*bl_ptr) - 4, bl_ptr->page_length);
9951 bl_ptr->max_cmp_write_len = 0xff;
9952 scsi_ulto4b(0xffffffff, bl_ptr->max_txfer_len);
9953 if (lun != NULL) {
9955 if (lun->be_lun->flags & CTL_LUN_FLAG_UNMAP) {
9956 ival = 0xffffffff;
9957 val = dnvlist_get_string(lun->be_lun->options,
9958 "unmap_max_lba", NULL);
9959 if (val != NULL)
9960 ctl_expand_number(val, &ival);
9961 scsi_ulto4b(ival, bl_ptr->max_unmap_lba_cnt);
9962 ival = 0xffffffff;
9963 val = dnvlist_get_string(lun->be_lun->options,
9964 "unmap_max_descr", NULL);
9965 if (val != NULL)
9966 ctl_expand_number(val, &ival);
9967 scsi_ulto4b(ival, bl_ptr->max_unmap_blk_cnt);
9968 if (lun->be_lun->ublockexp != 0) {
9969 scsi_ulto4b((1 << lun->be_lun->ublockexp),
9970 bl_ptr->opt_unmap_grain);
9971 scsi_ulto4b(0x80000000 | lun->be_lun->ublockoff,
9972 bl_ptr->unmap_grain_align);
9973 }
9974 }
9977 scsi_ulto4b(0, bl_ptr->atomic_alignment);
9981 ival = UINT64_MAX;
9982 val = dnvlist_get_string(lun->be_lun->options,
9983 "write_same_max_lba", NULL);
9984 if (val != NULL)
9985 ctl_expand_number(val, &ival);
9986 scsi_u64to8b(ival, bl_ptr->max_write_same_length);
9987 if (lun->be_lun->maxlba + 1 > ival)
9988 bl_ptr->flags |= SVPD_BL_WSNZ;
9989 }
9990
9991 ctl_set_success(ctsio);
9994 ctl_datamove((union ctl_io *)ctsio);
9995 return (CTL_RETVAL_COMPLETE);
9996}
9997
9998static int
9999ctl_inquiry_evpd_bdc(struct ctl_scsiio *ctsio, int alloc_len)
10000{
10001 struct ctl_lun *lun = CTL_LUN(ctsio);
10003 const char *value;
10004 u_int i;
10005
10006 ctsio->kern_data_ptr = malloc(sizeof(*bdc_ptr), M_CTL, M_WAITOK | M_ZERO);
10007 bdc_ptr = (struct scsi_vpd_block_device_characteristics *)ctsio->kern_data_ptr;
10008 ctsio->kern_sg_entries = 0;
10009 ctsio->kern_rel_offset = 0;
10010 ctsio->kern_data_len = min(sizeof(*bdc_ptr), alloc_len);
10011 ctsio->kern_total_len = ctsio->kern_data_len;
10012
10013 /*
10014 * The control device is always connected. The disk device, on the
10015 * other hand, may not be online all the time. Need to change this
10016 * to figure out whether the disk device is actually online or not.
10017 */
10018 if (lun != NULL)
10019 bdc_ptr->device = (SID_QUAL_LU_CONNECTED << 5) |
10020 lun->be_lun->lun_type;
10021 else
10022 bdc_ptr->device = (SID_QUAL_LU_OFFLINE << 5) | T_DIRECT;
10023 bdc_ptr->page_code = SVPD_BDC;
10024 scsi_ulto2b(sizeof(*bdc_ptr) - 4, bdc_ptr->page_length);
10025 if (lun != NULL &&
10026 (value = dnvlist_get_string(lun->be_lun->options, "rpm", NULL)) != NULL)
10027 i = strtol(value, NULL, 0);
10028 else
10030 scsi_ulto2b(i, bdc_ptr->medium_rotation_rate);
10031 if (lun != NULL &&
10032 (value = dnvlist_get_string(lun->be_lun->options, "formfactor", NULL)) != NULL)
10033 i = strtol(value, NULL, 0);
10034 else
10035 i = 0;
10036 bdc_ptr->wab_wac_ff = (i & 0x0f);
10037 bdc_ptr->flags = SVPD_RBWZ | SVPD_FUAB | SVPD_VBULS;
10038
10039 ctl_set_success(ctsio);
10042 ctl_datamove((union ctl_io *)ctsio);
10043 return (CTL_RETVAL_COMPLETE);
10044}
10045
10046static int
10047ctl_inquiry_evpd_lbp(struct ctl_scsiio *ctsio, int alloc_len)
10048{
10049 struct ctl_lun *lun = CTL_LUN(ctsio);
10050 struct scsi_vpd_logical_block_prov *lbp_ptr;
10051 const char *value;
10052
10053 ctsio->kern_data_ptr = malloc(sizeof(*lbp_ptr), M_CTL, M_WAITOK | M_ZERO);
10054 lbp_ptr = (struct scsi_vpd_logical_block_prov *)ctsio->kern_data_ptr;
10055 ctsio->kern_sg_entries = 0;
10056 ctsio->kern_rel_offset = 0;
10057 ctsio->kern_data_len = min(sizeof(*lbp_ptr), alloc_len);
10058 ctsio->kern_total_len = ctsio->kern_data_len;
10059
10060 /*
10061 * The control device is always connected. The disk device, on the
10062 * other hand, may not be online all the time. Need to change this
10063 * to figure out whether the disk device is actually online or not.
10064 */
10065 if (lun != NULL)
10066 lbp_ptr->device = (SID_QUAL_LU_CONNECTED << 5) |
10067 lun->be_lun->lun_type;
10068 else
10069 lbp_ptr->device = (SID_QUAL_LU_OFFLINE << 5) | T_DIRECT;
10070
10071 lbp_ptr->page_code = SVPD_LBP;
10072 scsi_ulto2b(sizeof(*lbp_ptr) - 4, lbp_ptr->page_length);
10074 if (lun != NULL && lun->be_lun->flags & CTL_LUN_FLAG_UNMAP) {
10075 lbp_ptr->flags = SVPD_LBP_UNMAP | SVPD_LBP_WS16 |
10077 value = dnvlist_get_string(lun->be_lun->options,
10078 "provisioning_type", NULL);
10079 if (value != NULL) {
10080 if (strcmp(value, "resource") == 0)
10081 lbp_ptr->prov_type = SVPD_LBP_RESOURCE;
10082 else if (strcmp(value, "thin") == 0)
10083 lbp_ptr->prov_type = SVPD_LBP_THIN;
10084 } else
10085 lbp_ptr->prov_type = SVPD_LBP_THIN;
10086 }
10087
10088 ctl_set_success(ctsio);
10091 ctl_datamove((union ctl_io *)ctsio);
10092 return (CTL_RETVAL_COMPLETE);
10093}
10094
10095/*
10096 * INQUIRY with the EVPD bit set.
10097 */
10098static int
10100{
10101 struct ctl_lun *lun = CTL_LUN(ctsio);
10102 struct scsi_inquiry *cdb;
10103 int alloc_len, retval;
10104
10105 cdb = (struct scsi_inquiry *)ctsio->cdb;
10106 alloc_len = scsi_2btoul(cdb->length);
10107
10108 switch (cdb->page_code) {
10110 retval = ctl_inquiry_evpd_supported(ctsio, alloc_len);
10111 break;
10113 retval = ctl_inquiry_evpd_serial(ctsio, alloc_len);
10114 break;
10115 case SVPD_DEVICE_ID:
10116 retval = ctl_inquiry_evpd_devid(ctsio, alloc_len);
10117 break;
10119 retval = ctl_inquiry_evpd_eid(ctsio, alloc_len);
10120 break;
10122 retval = ctl_inquiry_evpd_mpp(ctsio, alloc_len);
10123 break;
10124 case SVPD_SCSI_PORTS:
10125 retval = ctl_inquiry_evpd_scsi_ports(ctsio, alloc_len);
10126 break;
10127 case SVPD_SCSI_TPC:
10128 retval = ctl_inquiry_evpd_tpc(ctsio, alloc_len);
10129 break;
10130 case SVPD_SCSI_SFS:
10131 retval = ctl_inquiry_evpd_sfs(ctsio, alloc_len);
10132 break;
10133 case SVPD_BLOCK_LIMITS:
10134 if (lun == NULL || lun->be_lun->lun_type != T_DIRECT)
10135 goto err;
10136 retval = ctl_inquiry_evpd_block_limits(ctsio, alloc_len);
10137 break;
10138 case SVPD_BDC:
10139 if (lun == NULL || lun->be_lun->lun_type != T_DIRECT)
10140 goto err;
10141 retval = ctl_inquiry_evpd_bdc(ctsio, alloc_len);
10142 break;
10143 case SVPD_LBP:
10144 if (lun == NULL || lun->be_lun->lun_type != T_DIRECT)
10145 goto err;
10146 retval = ctl_inquiry_evpd_lbp(ctsio, alloc_len);
10147 break;
10148 default:
10149err:
10151 /*sks_valid*/ 1,
10152 /*command*/ 1,
10153 /*field*/ 2,
10154 /*bit_valid*/ 0,
10155 /*bit*/ 0);
10156 ctl_done((union ctl_io *)ctsio);
10157 retval = CTL_RETVAL_COMPLETE;
10158 break;
10159 }
10160
10161 return (retval);
10162}
10163
10164/*
10165 * Standard INQUIRY data.
10166 */
10167static int
10169{
10170 struct ctl_softc *softc = CTL_SOFTC(ctsio);
10171 struct ctl_port *port = CTL_PORT(ctsio);
10172 struct ctl_lun *lun = CTL_LUN(ctsio);
10173 struct scsi_inquiry_data *inq_ptr;
10174 struct scsi_inquiry *cdb;
10175 const char *val;
10176 uint32_t alloc_len, data_len;
10177 ctl_port_type port_type;
10178
10179 port_type = port->port_type;
10180 if (port_type == CTL_PORT_IOCTL || port_type == CTL_PORT_INTERNAL)
10181 port_type = CTL_PORT_SCSI;
10182
10183 cdb = (struct scsi_inquiry *)ctsio->cdb;
10184 alloc_len = scsi_2btoul(cdb->length);
10185
10186 /*
10187 * We malloc the full inquiry data size here and fill it
10188 * in. If the user only asks for less, we'll give him
10189 * that much.
10190 */
10191 data_len = offsetof(struct scsi_inquiry_data, vendor_specific1);
10192 ctsio->kern_data_ptr = malloc(data_len, M_CTL, M_WAITOK | M_ZERO);
10193 inq_ptr = (struct scsi_inquiry_data *)ctsio->kern_data_ptr;
10194 ctsio->kern_sg_entries = 0;
10195 ctsio->kern_rel_offset = 0;
10196 ctsio->kern_data_len = min(data_len, alloc_len);
10197 ctsio->kern_total_len = ctsio->kern_data_len;
10198
10199 if (lun != NULL) {
10200 if ((lun->flags & CTL_LUN_PRIMARY_SC) ||
10201 softc->ha_link >= CTL_HA_LINK_UNKNOWN) {
10202 inq_ptr->device = (SID_QUAL_LU_CONNECTED << 5) |
10203 lun->be_lun->lun_type;
10204 } else {
10205 inq_ptr->device = (SID_QUAL_LU_OFFLINE << 5) |
10206 lun->be_lun->lun_type;
10207 }
10208 if (lun->flags & CTL_LUN_REMOVABLE)
10209 inq_ptr->dev_qual2 |= SID_RMB;
10210 } else
10211 inq_ptr->device = (SID_QUAL_BAD_LU << 5) | T_NODEVICE;
10212
10213 /* RMB in byte 2 is 0 */
10214 inq_ptr->version = SCSI_REV_SPC5;
10215
10216 /*
10217 * According to SAM-3, even if a device only supports a single
10218 * level of LUN addressing, it should still set the HISUP bit:
10219 *
10220 * 4.9.1 Logical unit numbers overview
10221 *
10222 * All logical unit number formats described in this standard are
10223 * hierarchical in structure even when only a single level in that
10224 * hierarchy is used. The HISUP bit shall be set to one in the
10225 * standard INQUIRY data (see SPC-2) when any logical unit number
10226 * format described in this standard is used. Non-hierarchical
10227 * formats are outside the scope of this standard.
10228 *
10229 * Therefore we set the HiSup bit here.
10230 *
10231 * The response format is 2, per SPC-3.
10232 */
10233 inq_ptr->response_format = SID_HiSup | 2;
10234
10235 inq_ptr->additional_length = data_len -
10236 (offsetof(struct scsi_inquiry_data, additional_length) + 1);
10237 CTL_DEBUG_PRINT(("additional_length = %d\n",
10238 inq_ptr->additional_length));
10239
10241 if (port_type == CTL_PORT_SCSI)
10242 inq_ptr->spc2_flags = SPC2_SID_ADDR16;
10243 inq_ptr->spc2_flags |= SPC2_SID_MultiP;
10244 inq_ptr->flags = SID_CmdQue;
10245 if (port_type == CTL_PORT_SCSI)
10246 inq_ptr->flags |= SID_WBus16 | SID_Sync;
10247
10248 /*
10249 * Per SPC-3, unused bytes in ASCII strings are filled with spaces.
10250 * We have 8 bytes for the vendor name, and 16 bytes for the device
10251 * name and 4 bytes for the revision.
10252 */
10253 if (lun == NULL || (val = dnvlist_get_string(lun->be_lun->options,
10254 "vendor", NULL)) == NULL) {
10255 strncpy(inq_ptr->vendor, CTL_VENDOR, sizeof(inq_ptr->vendor));
10256 } else {
10257 memset(inq_ptr->vendor, ' ', sizeof(inq_ptr->vendor));
10258 strncpy(inq_ptr->vendor, val,
10259 min(sizeof(inq_ptr->vendor), strlen(val)));
10260 }
10261 if (lun == NULL) {
10262 strncpy(inq_ptr->product, CTL_DIRECT_PRODUCT,
10263 sizeof(inq_ptr->product));
10264 } else if ((val = dnvlist_get_string(lun->be_lun->options, "product",
10265 NULL)) == NULL) {
10266 switch (lun->be_lun->lun_type) {
10267 case T_DIRECT:
10268 strncpy(inq_ptr->product, CTL_DIRECT_PRODUCT,
10269 sizeof(inq_ptr->product));
10270 break;
10271 case T_PROCESSOR:
10272 strncpy(inq_ptr->product, CTL_PROCESSOR_PRODUCT,
10273 sizeof(inq_ptr->product));
10274 break;
10275 case T_CDROM:
10276 strncpy(inq_ptr->product, CTL_CDROM_PRODUCT,
10277 sizeof(inq_ptr->product));
10278 break;
10279 default:
10280 strncpy(inq_ptr->product, CTL_UNKNOWN_PRODUCT,
10281 sizeof(inq_ptr->product));
10282 break;
10283 }
10284 } else {
10285 memset(inq_ptr->product, ' ', sizeof(inq_ptr->product));
10286 strncpy(inq_ptr->product, val,
10287 min(sizeof(inq_ptr->product), strlen(val)));
10288 }
10289
10290 /*
10291 * XXX make this a macro somewhere so it automatically gets
10292 * incremented when we make changes.
10293 */
10294 if (lun == NULL || (val = dnvlist_get_string(lun->be_lun->options,
10295 "revision", NULL)) == NULL) {
10296 strncpy(inq_ptr->revision, "0001", sizeof(inq_ptr->revision));
10297 } else {
10298 memset(inq_ptr->revision, ' ', sizeof(inq_ptr->revision));
10299 strncpy(inq_ptr->revision, val,
10300 min(sizeof(inq_ptr->revision), strlen(val)));
10301 }
10302
10303 /*
10304 * For parallel SCSI, we support double transition and single
10305 * transition clocking. We also support QAS (Quick Arbitration
10306 * and Selection) and Information Unit transfers on both the
10307 * control and array devices.
10308 */
10309 if (port_type == CTL_PORT_SCSI)
10312
10313 /* SAM-6 (no version claimed) */
10314 scsi_ulto2b(0x00C0, inq_ptr->version1);
10315 /* SPC-5 (no version claimed) */
10316 scsi_ulto2b(0x05C0, inq_ptr->version2);
10317 if (port_type == CTL_PORT_FC) {
10318 /* FCP-2 ANSI INCITS.350:2003 */
10319 scsi_ulto2b(0x0917, inq_ptr->version3);
10320 } else if (port_type == CTL_PORT_SCSI) {
10321 /* SPI-4 ANSI INCITS.362:200x */
10322 scsi_ulto2b(0x0B56, inq_ptr->version3);
10323 } else if (port_type == CTL_PORT_ISCSI) {
10324 /* iSCSI (no version claimed) */
10325 scsi_ulto2b(0x0960, inq_ptr->version3);
10326 } else if (port_type == CTL_PORT_SAS) {
10327 /* SAS (no version claimed) */
10328 scsi_ulto2b(0x0BE0, inq_ptr->version3);
10329 } else if (port_type == CTL_PORT_UMASS) {
10330 /* USB Mass Storage Class Bulk-Only Transport, Revision 1.0 */
10331 scsi_ulto2b(0x1730, inq_ptr->version3);
10332 }
10333
10334 if (lun == NULL) {
10335 /* SBC-4 (no version claimed) */
10336 scsi_ulto2b(0x0600, inq_ptr->version4);
10337 } else {
10338 switch (lun->be_lun->lun_type) {
10339 case T_DIRECT:
10340 /* SBC-4 (no version claimed) */
10341 scsi_ulto2b(0x0600, inq_ptr->version4);
10342 break;
10343 case T_PROCESSOR:
10344 break;
10345 case T_CDROM:
10346 /* MMC-6 (no version claimed) */
10347 scsi_ulto2b(0x04E0, inq_ptr->version4);
10348 break;
10349 default:
10350 break;
10351 }
10352 }
10353
10354 ctl_set_success(ctsio);
10357 ctl_datamove((union ctl_io *)ctsio);
10358 return (CTL_RETVAL_COMPLETE);
10359}
10360
10361int
10363{
10364 struct scsi_inquiry *cdb;
10365 int retval;
10366
10367 CTL_DEBUG_PRINT(("ctl_inquiry\n"));
10368
10369 cdb = (struct scsi_inquiry *)ctsio->cdb;
10370 if (cdb->byte2 & SI_EVPD)
10371 retval = ctl_inquiry_evpd(ctsio);
10372 else if (cdb->page_code == 0)
10373 retval = ctl_inquiry_std(ctsio);
10374 else {
10376 /*sks_valid*/ 1,
10377 /*command*/ 1,
10378 /*field*/ 2,
10379 /*bit_valid*/ 0,
10380 /*bit*/ 0);
10381 ctl_done((union ctl_io *)ctsio);
10382 return (CTL_RETVAL_COMPLETE);
10383 }
10384
10385 return (retval);
10386}
10387
10388int
10390{
10391 struct ctl_lun *lun = CTL_LUN(ctsio);
10392 struct scsi_get_config_header *hdr;
10393 struct scsi_get_config_feature *feature;
10394 struct scsi_get_config *cdb;
10395 uint32_t alloc_len, data_len;
10396 int rt, starting;
10397
10398 cdb = (struct scsi_get_config *)ctsio->cdb;
10399 rt = (cdb->rt & SGC_RT_MASK);
10400 starting = scsi_2btoul(cdb->starting_feature);
10401 alloc_len = scsi_2btoul(cdb->length);
10402
10403 data_len = sizeof(struct scsi_get_config_header) +
10404 sizeof(struct scsi_get_config_feature) + 8 +
10405 sizeof(struct scsi_get_config_feature) + 8 +
10406 sizeof(struct scsi_get_config_feature) + 4 +
10407 sizeof(struct scsi_get_config_feature) + 4 +
10408 sizeof(struct scsi_get_config_feature) + 8 +
10409 sizeof(struct scsi_get_config_feature) +
10410 sizeof(struct scsi_get_config_feature) + 4 +
10411 sizeof(struct scsi_get_config_feature) + 4 +
10412 sizeof(struct scsi_get_config_feature) + 4 +
10413 sizeof(struct scsi_get_config_feature) + 4 +
10414 sizeof(struct scsi_get_config_feature) + 4 +
10415 sizeof(struct scsi_get_config_feature) + 4;
10416 ctsio->kern_data_ptr = malloc(data_len, M_CTL, M_WAITOK | M_ZERO);
10417 ctsio->kern_sg_entries = 0;
10418 ctsio->kern_rel_offset = 0;
10419
10420 hdr = (struct scsi_get_config_header *)ctsio->kern_data_ptr;
10421 if (lun->flags & CTL_LUN_NO_MEDIA)
10422 scsi_ulto2b(0x0000, hdr->current_profile);
10423 else
10424 scsi_ulto2b(0x0010, hdr->current_profile);
10425 feature = (struct scsi_get_config_feature *)(hdr + 1);
10426
10427 if (starting > 0x003b)
10428 goto done;
10429 if (starting > 0x003a)
10430 goto f3b;
10431 if (starting > 0x002b)
10432 goto f3a;
10433 if (starting > 0x002a)
10434 goto f2b;
10435 if (starting > 0x001f)
10436 goto f2a;
10437 if (starting > 0x001e)
10438 goto f1f;
10439 if (starting > 0x001d)
10440 goto f1e;
10441 if (starting > 0x0010)
10442 goto f1d;
10443 if (starting > 0x0003)
10444 goto f10;
10445 if (starting > 0x0002)
10446 goto f3;
10447 if (starting > 0x0001)
10448 goto f2;
10449 if (starting > 0x0000)
10450 goto f1;
10451
10452 /* Profile List */
10453 scsi_ulto2b(0x0000, feature->feature_code);
10455 feature->add_length = 8;
10456 scsi_ulto2b(0x0008, &feature->feature_data[0]); /* CD-ROM */
10457 feature->feature_data[2] = 0x00;
10458 scsi_ulto2b(0x0010, &feature->feature_data[4]); /* DVD-ROM */
10459 feature->feature_data[6] = 0x01;
10460 feature = (struct scsi_get_config_feature *)
10461 &feature->feature_data[feature->add_length];
10462
10463f1: /* Core */
10464 scsi_ulto2b(0x0001, feature->feature_code);
10465 feature->flags = 0x08 | SGC_F_PERSISTENT | SGC_F_CURRENT;
10466 feature->add_length = 8;
10467 scsi_ulto4b(0x00000000, &feature->feature_data[0]);
10468 feature->feature_data[4] = 0x03;
10469 feature = (struct scsi_get_config_feature *)
10470 &feature->feature_data[feature->add_length];
10471
10472f2: /* Morphing */
10473 scsi_ulto2b(0x0002, feature->feature_code);
10474 feature->flags = 0x04 | SGC_F_PERSISTENT | SGC_F_CURRENT;
10475 feature->add_length = 4;
10476 feature->feature_data[0] = 0x02;
10477 feature = (struct scsi_get_config_feature *)
10478 &feature->feature_data[feature->add_length];
10479
10480f3: /* Removable Medium */
10481 scsi_ulto2b(0x0003, feature->feature_code);
10482 feature->flags = 0x04 | SGC_F_PERSISTENT | SGC_F_CURRENT;
10483 feature->add_length = 4;
10484 feature->feature_data[0] = 0x39;
10485 feature = (struct scsi_get_config_feature *)
10486 &feature->feature_data[feature->add_length];
10487
10488 if (rt == SGC_RT_CURRENT && (lun->flags & CTL_LUN_NO_MEDIA))
10489 goto done;
10490
10491f10: /* Random Read */
10492 scsi_ulto2b(0x0010, feature->feature_code);
10493 feature->flags = 0x00;
10494 if ((lun->flags & CTL_LUN_NO_MEDIA) == 0)
10495 feature->flags |= SGC_F_CURRENT;
10496 feature->add_length = 8;
10497 scsi_ulto4b(lun->be_lun->blocksize, &feature->feature_data[0]);
10498 scsi_ulto2b(1, &feature->feature_data[4]);
10499 feature->feature_data[6] = 0x00;
10500 feature = (struct scsi_get_config_feature *)
10501 &feature->feature_data[feature->add_length];
10502
10503f1d: /* Multi-Read */
10504 scsi_ulto2b(0x001D, feature->feature_code);
10505 feature->flags = 0x00;
10506 if ((lun->flags & CTL_LUN_NO_MEDIA) == 0)
10507 feature->flags |= SGC_F_CURRENT;
10508 feature->add_length = 0;
10509 feature = (struct scsi_get_config_feature *)
10510 &feature->feature_data[feature->add_length];
10511
10512f1e: /* CD Read */
10513 scsi_ulto2b(0x001E, feature->feature_code);
10514 feature->flags = 0x00;
10515 if ((lun->flags & CTL_LUN_NO_MEDIA) == 0)
10516 feature->flags |= SGC_F_CURRENT;
10517 feature->add_length = 4;
10518 feature->feature_data[0] = 0x00;
10519 feature = (struct scsi_get_config_feature *)
10520 &feature->feature_data[feature->add_length];
10521
10522f1f: /* DVD Read */
10523 scsi_ulto2b(0x001F, feature->feature_code);
10524 feature->flags = 0x08;
10525 if ((lun->flags & CTL_LUN_NO_MEDIA) == 0)
10526 feature->flags |= SGC_F_CURRENT;
10527 feature->add_length = 4;
10528 feature->feature_data[0] = 0x01;
10529 feature->feature_data[2] = 0x03;
10530 feature = (struct scsi_get_config_feature *)
10531 &feature->feature_data[feature->add_length];
10532
10533f2a: /* DVD+RW */
10534 scsi_ulto2b(0x002A, feature->feature_code);
10535 feature->flags = 0x04;
10536 if ((lun->flags & CTL_LUN_NO_MEDIA) == 0)
10537 feature->flags |= SGC_F_CURRENT;
10538 feature->add_length = 4;
10539 feature->feature_data[0] = 0x00;
10540 feature->feature_data[1] = 0x00;
10541 feature = (struct scsi_get_config_feature *)
10542 &feature->feature_data[feature->add_length];
10543
10544f2b: /* DVD+R */
10545 scsi_ulto2b(0x002B, feature->feature_code);
10546 feature->flags = 0x00;
10547 if ((lun->flags & CTL_LUN_NO_MEDIA) == 0)
10548 feature->flags |= SGC_F_CURRENT;
10549 feature->add_length = 4;
10550 feature->feature_data[0] = 0x00;
10551 feature = (struct scsi_get_config_feature *)
10552 &feature->feature_data[feature->add_length];
10553
10554f3a: /* DVD+RW Dual Layer */
10555 scsi_ulto2b(0x003A, feature->feature_code);
10556 feature->flags = 0x00;
10557 if ((lun->flags & CTL_LUN_NO_MEDIA) == 0)
10558 feature->flags |= SGC_F_CURRENT;
10559 feature->add_length = 4;
10560 feature->feature_data[0] = 0x00;
10561 feature->feature_data[1] = 0x00;
10562 feature = (struct scsi_get_config_feature *)
10563 &feature->feature_data[feature->add_length];
10564
10565f3b: /* DVD+R Dual Layer */
10566 scsi_ulto2b(0x003B, feature->feature_code);
10567 feature->flags = 0x00;
10568 if ((lun->flags & CTL_LUN_NO_MEDIA) == 0)
10569 feature->flags |= SGC_F_CURRENT;
10570 feature->add_length = 4;
10571 feature->feature_data[0] = 0x00;
10572 feature = (struct scsi_get_config_feature *)
10573 &feature->feature_data[feature->add_length];
10574
10575done:
10576 data_len = (uint8_t *)feature - (uint8_t *)hdr;
10577 if (rt == SGC_RT_SPECIFIC && data_len > 4) {
10578 feature = (struct scsi_get_config_feature *)(hdr + 1);
10579 if (scsi_2btoul(feature->feature_code) == starting)
10580 feature = (struct scsi_get_config_feature *)
10581 &feature->feature_data[feature->add_length];
10582 data_len = (uint8_t *)feature - (uint8_t *)hdr;
10583 }
10584 scsi_ulto4b(data_len - 4, hdr->data_length);
10585 ctsio->kern_data_len = min(data_len, alloc_len);
10586 ctsio->kern_total_len = ctsio->kern_data_len;
10587
10588 ctl_set_success(ctsio);
10591 ctl_datamove((union ctl_io *)ctsio);
10592 return (CTL_RETVAL_COMPLETE);
10593}
10594
10595int
10597{
10598 struct scsi_get_event_status_header *hdr;
10599 struct scsi_get_event_status *cdb;
10600 uint32_t alloc_len, data_len;
10601
10602 cdb = (struct scsi_get_event_status *)ctsio->cdb;
10603 if ((cdb->byte2 & SGESN_POLLED) == 0) {
10604 ctl_set_invalid_field(ctsio, /*sks_valid*/ 1, /*command*/ 1,
10605 /*field*/ 1, /*bit_valid*/ 1, /*bit*/ 0);
10606 ctl_done((union ctl_io *)ctsio);
10607 return (CTL_RETVAL_COMPLETE);
10608 }
10609 alloc_len = scsi_2btoul(cdb->length);
10610
10611 data_len = sizeof(struct scsi_get_event_status_header);
10612 ctsio->kern_data_ptr = malloc(data_len, M_CTL, M_WAITOK | M_ZERO);
10613 ctsio->kern_sg_entries = 0;
10614 ctsio->kern_rel_offset = 0;
10615 ctsio->kern_data_len = min(data_len, alloc_len);
10616 ctsio->kern_total_len = ctsio->kern_data_len;
10617
10618 hdr = (struct scsi_get_event_status_header *)ctsio->kern_data_ptr;
10619 scsi_ulto2b(0, hdr->descr_length);
10620 hdr->nea_class = SGESN_NEA;
10621 hdr->supported_class = 0;
10622
10623 ctl_set_success(ctsio);
10626 ctl_datamove((union ctl_io *)ctsio);
10627 return (CTL_RETVAL_COMPLETE);
10628}
10629
10630int
10632{
10633 struct scsi_mechanism_status_header *hdr;
10634 struct scsi_mechanism_status *cdb;
10635 uint32_t alloc_len, data_len;
10636
10637 cdb = (struct scsi_mechanism_status *)ctsio->cdb;
10638 alloc_len = scsi_2btoul(cdb->length);
10639
10640 data_len = sizeof(struct scsi_mechanism_status_header);
10641 ctsio->kern_data_ptr = malloc(data_len, M_CTL, M_WAITOK | M_ZERO);
10642 ctsio->kern_sg_entries = 0;
10643 ctsio->kern_rel_offset = 0;
10644 ctsio->kern_data_len = min(data_len, alloc_len);
10645 ctsio->kern_total_len = ctsio->kern_data_len;
10646
10647 hdr = (struct scsi_mechanism_status_header *)ctsio->kern_data_ptr;
10648 hdr->state1 = 0x00;
10649 hdr->state2 = 0xe0;
10650 scsi_ulto3b(0, hdr->lba);
10651 hdr->slots_num = 0;
10652 scsi_ulto2b(0, hdr->slots_length);
10653
10654 ctl_set_success(ctsio);
10657 ctl_datamove((union ctl_io *)ctsio);
10658 return (CTL_RETVAL_COMPLETE);
10659}
10660
10661static void
10662ctl_ultomsf(uint32_t lba, uint8_t *buf)
10663{
10664
10665 lba += 150;
10666 buf[0] = 0;
10667 buf[1] = bin2bcd((lba / 75) / 60);
10668 buf[2] = bin2bcd((lba / 75) % 60);
10669 buf[3] = bin2bcd(lba % 75);
10670}
10671
10672int
10674{
10675 struct ctl_lun *lun = CTL_LUN(ctsio);
10676 struct scsi_read_toc_hdr *hdr;
10677 struct scsi_read_toc_type01_descr *descr;
10678 struct scsi_read_toc *cdb;
10679 uint32_t alloc_len, data_len;
10680 int format, msf;
10681
10682 cdb = (struct scsi_read_toc *)ctsio->cdb;
10683 msf = (cdb->byte2 & CD_MSF) != 0;
10684 format = cdb->format;
10685 alloc_len = scsi_2btoul(cdb->data_len);
10686
10687 data_len = sizeof(struct scsi_read_toc_hdr);
10688 if (format == 0)
10689 data_len += 2 * sizeof(struct scsi_read_toc_type01_descr);
10690 else
10691 data_len += sizeof(struct scsi_read_toc_type01_descr);
10692 ctsio->kern_data_ptr = malloc(data_len, M_CTL, M_WAITOK | M_ZERO);
10693 ctsio->kern_sg_entries = 0;
10694 ctsio->kern_rel_offset = 0;
10695 ctsio->kern_data_len = min(data_len, alloc_len);
10696 ctsio->kern_total_len = ctsio->kern_data_len;
10697
10698 hdr = (struct scsi_read_toc_hdr *)ctsio->kern_data_ptr;
10699 if (format == 0) {
10700 scsi_ulto2b(0x12, hdr->data_length);
10701 hdr->first = 1;
10702 hdr->last = 1;
10703 descr = (struct scsi_read_toc_type01_descr *)(hdr + 1);
10704 descr->addr_ctl = 0x14;
10705 descr->track_number = 1;
10706 if (msf)
10707 ctl_ultomsf(0, descr->track_start);
10708 else
10709 scsi_ulto4b(0, descr->track_start);
10710 descr++;
10711 descr->addr_ctl = 0x14;
10712 descr->track_number = 0xaa;
10713 if (msf)
10714 ctl_ultomsf(lun->be_lun->maxlba+1, descr->track_start);
10715 else
10716 scsi_ulto4b(lun->be_lun->maxlba+1, descr->track_start);
10717 } else {
10718 scsi_ulto2b(0x0a, hdr->data_length);
10719 hdr->first = 1;
10720 hdr->last = 1;
10721 descr = (struct scsi_read_toc_type01_descr *)(hdr + 1);
10722 descr->addr_ctl = 0x14;
10723 descr->track_number = 1;
10724 if (msf)
10725 ctl_ultomsf(0, descr->track_start);
10726 else
10727 scsi_ulto4b(0, descr->track_start);
10728 }
10729
10730 ctl_set_success(ctsio);
10733 ctl_datamove((union ctl_io *)ctsio);
10734 return (CTL_RETVAL_COMPLETE);
10735}
10736
10737/*
10738 * For known CDB types, parse the LBA and length.
10739 */
10740static int
10741ctl_get_lba_len(union ctl_io *io, uint64_t *lba, uint64_t *len)
10742{
10743
10744 KASSERT(io->io_hdr.io_type == CTL_IO_SCSI,
10745 ("%s: unexpected I/O type %x", __func__, io->io_hdr.io_type));
10746
10747 switch (io->scsiio.cdb[0]) {
10748 case COMPARE_AND_WRITE: {
10749 struct scsi_compare_and_write *cdb;
10750
10751 cdb = (struct scsi_compare_and_write *)io->scsiio.cdb;
10752
10753 *lba = scsi_8btou64(cdb->addr);
10754 *len = cdb->length;
10755 break;
10756 }
10757 case READ_6:
10758 case WRITE_6: {
10759 struct scsi_rw_6 *cdb;
10760
10761 cdb = (struct scsi_rw_6 *)io->scsiio.cdb;
10762
10763 *lba = scsi_3btoul(cdb->addr);
10764 /* only 5 bits are valid in the most significant address byte */
10765 *lba &= 0x1fffff;
10766 *len = cdb->length;
10767 break;
10768 }
10769 case READ_10:
10770 case WRITE_10: {
10771 struct scsi_rw_10 *cdb;
10772
10773 cdb = (struct scsi_rw_10 *)io->scsiio.cdb;
10774
10775 *lba = scsi_4btoul(cdb->addr);
10776 *len = scsi_2btoul(cdb->length);
10777 break;
10778 }
10779 case WRITE_VERIFY_10: {
10780 struct scsi_write_verify_10 *cdb;
10781
10782 cdb = (struct scsi_write_verify_10 *)io->scsiio.cdb;
10783
10784 *lba = scsi_4btoul(cdb->addr);
10785 *len = scsi_2btoul(cdb->length);
10786 break;
10787 }
10788 case READ_12:
10789 case WRITE_12: {
10790 struct scsi_rw_12 *cdb;
10791
10792 cdb = (struct scsi_rw_12 *)io->scsiio.cdb;
10793
10794 *lba = scsi_4btoul(cdb->addr);
10795 *len = scsi_4btoul(cdb->length);
10796 break;
10797 }
10798 case WRITE_VERIFY_12: {
10799 struct scsi_write_verify_12 *cdb;
10800
10801 cdb = (struct scsi_write_verify_12 *)io->scsiio.cdb;
10802
10803 *lba = scsi_4btoul(cdb->addr);
10804 *len = scsi_4btoul(cdb->length);
10805 break;
10806 }
10807 case READ_16:
10808 case WRITE_16: {
10809 struct scsi_rw_16 *cdb;
10810
10811 cdb = (struct scsi_rw_16 *)io->scsiio.cdb;
10812
10813 *lba = scsi_8btou64(cdb->addr);
10814 *len = scsi_4btoul(cdb->length);
10815 break;
10816 }
10817 case WRITE_ATOMIC_16: {
10818 struct scsi_write_atomic_16 *cdb;
10819
10820 cdb = (struct scsi_write_atomic_16 *)io->scsiio.cdb;
10821
10822 *lba = scsi_8btou64(cdb->addr);
10823 *len = scsi_2btoul(cdb->length);
10824 break;
10825 }
10826 case WRITE_VERIFY_16: {
10827 struct scsi_write_verify_16 *cdb;
10828
10829 cdb = (struct scsi_write_verify_16 *)io->scsiio.cdb;
10830
10831 *lba = scsi_8btou64(cdb->addr);
10832 *len = scsi_4btoul(cdb->length);
10833 break;
10834 }
10835 case WRITE_SAME_10: {
10836 struct scsi_write_same_10 *cdb;
10837
10838 cdb = (struct scsi_write_same_10 *)io->scsiio.cdb;
10839
10840 *lba = scsi_4btoul(cdb->addr);
10841 *len = scsi_2btoul(cdb->length);
10842 break;
10843 }
10844 case WRITE_SAME_16: {
10845 struct scsi_write_same_16 *cdb;
10846
10847 cdb = (struct scsi_write_same_16 *)io->scsiio.cdb;
10848
10849 *lba = scsi_8btou64(cdb->addr);
10850 *len = scsi_4btoul(cdb->length);
10851 break;
10852 }
10853 case VERIFY_10: {
10854 struct scsi_verify_10 *cdb;
10855
10856 cdb = (struct scsi_verify_10 *)io->scsiio.cdb;
10857
10858 *lba = scsi_4btoul(cdb->addr);
10859 *len = scsi_2btoul(cdb->length);
10860 break;
10861 }
10862 case VERIFY_12: {
10863 struct scsi_verify_12 *cdb;
10864
10865 cdb = (struct scsi_verify_12 *)io->scsiio.cdb;
10866
10867 *lba = scsi_4btoul(cdb->addr);
10868 *len = scsi_4btoul(cdb->length);
10869 break;
10870 }
10871 case VERIFY_16: {
10872 struct scsi_verify_16 *cdb;
10873
10874 cdb = (struct scsi_verify_16 *)io->scsiio.cdb;
10875
10876 *lba = scsi_8btou64(cdb->addr);
10877 *len = scsi_4btoul(cdb->length);
10878 break;
10879 }
10880 case UNMAP: {
10881 *lba = 0;
10882 *len = UINT64_MAX;
10883 break;
10884 }
10885 case SERVICE_ACTION_IN: { /* GET LBA STATUS */
10886 struct scsi_get_lba_status *cdb;
10887
10888 cdb = (struct scsi_get_lba_status *)io->scsiio.cdb;
10889 *lba = scsi_8btou64(cdb->addr);
10890 *len = UINT32_MAX;
10891 break;
10892 }
10893 default:
10894 *lba = 0;
10895 *len = UINT64_MAX;
10896 return (1);
10897 }
10898
10899 return (0);
10900}
10901
10902static ctl_action
10903ctl_extent_check_lba(uint64_t lba1, uint64_t len1, uint64_t lba2, uint64_t len2,
10904 bool seq)
10905{
10906 uint64_t endlba1, endlba2;
10907
10908 endlba1 = lba1 + len1 - (seq ? 0 : 1);
10909 endlba2 = lba2 + len2 - 1;
10910
10911 if ((endlba1 < lba2) || (endlba2 < lba1))
10912 return (CTL_ACTION_PASS);
10913 else
10914 return (CTL_ACTION_BLOCK);
10915}
10916
10917static int
10918ctl_extent_check_unmap(union ctl_io *io, uint64_t lba2, uint64_t len2)
10919{
10920 struct ctl_ptr_len_flags *ptrlen;
10921 struct scsi_unmap_desc *buf, *end, *range;
10922 uint64_t lba;
10923 uint32_t len;
10924
10925 KASSERT(io->io_hdr.io_type == CTL_IO_SCSI,
10926 ("%s: unexpected I/O type %x", __func__, io->io_hdr.io_type));
10927
10928 /* If not UNMAP -- go other way. */
10929 if (io->scsiio.cdb[0] != UNMAP)
10930 return (CTL_ACTION_SKIP);
10931
10932 /* If UNMAP without data -- block and wait for data. */
10933 ptrlen = (struct ctl_ptr_len_flags *)
10935 if ((io->io_hdr.flags & CTL_FLAG_ALLOCATED) == 0 ||
10936 ptrlen->ptr == NULL)
10937 return (CTL_ACTION_BLOCK);
10938
10939 /* UNMAP with data -- check for collision. */
10940 buf = (struct scsi_unmap_desc *)ptrlen->ptr;
10941 end = buf + ptrlen->len / sizeof(*buf);
10942 for (range = buf; range < end; range++) {
10943 lba = scsi_8btou64(range->lba);
10944 len = scsi_4btoul(range->length);
10945 if ((lba < lba2 + len2) && (lba + len > lba2))
10946 return (CTL_ACTION_BLOCK);
10947 }
10948 return (CTL_ACTION_PASS);
10949}
10950
10951static ctl_action
10952ctl_extent_check(union ctl_io *io1, union ctl_io *io2, bool seq)
10953{
10954 uint64_t lba1, lba2;
10955 uint64_t len1, len2;
10956 int retval;
10957
10958 retval = ctl_get_lba_len(io2, &lba2, &len2);
10959 KASSERT(retval == 0, ("ctl_get_lba_len() error"));
10960
10961 retval = ctl_extent_check_unmap(io1, lba2, len2);
10962 if (retval != CTL_ACTION_SKIP)
10963 return (retval);
10964
10965 retval = ctl_get_lba_len(io1, &lba1, &len1);
10966 KASSERT(retval == 0, ("ctl_get_lba_len() error"));
10967
10968 if (seq && (io1->io_hdr.flags & CTL_FLAG_SERSEQ_DONE))
10969 seq = FALSE;
10970 return (ctl_extent_check_lba(lba1, len1, lba2, len2, seq));
10971}
10972
10973static ctl_action
10974ctl_seq_check(union ctl_io *io1, union ctl_io *io2)
10975{
10976 uint64_t lba1, lba2;
10977 uint64_t len1, len2;
10978 int retval __diagused;
10979
10981 return (CTL_ACTION_PASS);
10982 retval = ctl_get_lba_len(io1, &lba1, &len1);
10983 KASSERT(retval == 0, ("ctl_get_lba_len() error"));
10984 retval = ctl_get_lba_len(io2, &lba2, &len2);
10985 KASSERT(retval == 0, ("ctl_get_lba_len() error"));
10986
10987 if (lba1 + len1 == lba2)
10988 return (CTL_ACTION_BLOCK);
10989 return (CTL_ACTION_PASS);
10990}
10991
10992static ctl_action
10993ctl_check_for_blockage(struct ctl_lun *lun, union ctl_io *pending_io,
10994 const uint8_t *serialize_row, union ctl_io *ooa_io)
10995{
10996
10997 /*
10998 * The initiator attempted multiple untagged commands at the same
10999 * time. Can't do that.
11000 */
11001 if (__predict_false(pending_io->scsiio.tag_type == CTL_TAG_UNTAGGED)
11002 && __predict_false(ooa_io->scsiio.tag_type == CTL_TAG_UNTAGGED)
11003 && ((pending_io->io_hdr.nexus.targ_port ==
11004 ooa_io->io_hdr.nexus.targ_port)
11005 && (pending_io->io_hdr.nexus.initid ==
11006 ooa_io->io_hdr.nexus.initid))
11007 && ((ooa_io->io_hdr.flags & (CTL_FLAG_ABORT |
11008 CTL_FLAG_STATUS_SENT)) == 0))
11009 return (CTL_ACTION_OVERLAP);
11010
11011 /*
11012 * The initiator attempted to send multiple tagged commands with
11013 * the same ID. (It's fine if different initiators have the same
11014 * tag ID.)
11015 *
11016 * Even if all of those conditions are true, we don't kill the I/O
11017 * if the command ahead of us has been aborted. We won't end up
11018 * sending it to the FETD, and it's perfectly legal to resend a
11019 * command with the same tag number as long as the previous
11020 * instance of this tag number has been aborted somehow.
11021 */
11022 if (__predict_true(pending_io->scsiio.tag_type != CTL_TAG_UNTAGGED)
11023 && __predict_true(ooa_io->scsiio.tag_type != CTL_TAG_UNTAGGED)
11024 && __predict_false(pending_io->scsiio.tag_num == ooa_io->scsiio.tag_num)
11025 && ((pending_io->io_hdr.nexus.targ_port ==
11026 ooa_io->io_hdr.nexus.targ_port)
11027 && (pending_io->io_hdr.nexus.initid ==
11028 ooa_io->io_hdr.nexus.initid))
11029 && ((ooa_io->io_hdr.flags & (CTL_FLAG_ABORT |
11030 CTL_FLAG_STATUS_SENT)) == 0))
11031 return (CTL_ACTION_OVERLAP_TAG);
11032
11033 /*
11034 * If we get a head of queue tag, SAM-3 says that we should
11035 * immediately execute it.
11036 *
11037 * What happens if this command would normally block for some other
11038 * reason? e.g. a request sense with a head of queue tag
11039 * immediately after a write. Normally that would block, but this
11040 * will result in its getting executed immediately...
11041 *
11042 * We currently return "pass" instead of "skip", so we'll end up
11043 * going through the rest of the queue to check for overlapped tags.
11044 *
11045 * XXX KDM check for other types of blockage first??
11046 */
11047 if (__predict_false(pending_io->scsiio.tag_type == CTL_TAG_HEAD_OF_QUEUE))
11048 return (CTL_ACTION_PASS);
11049
11050 /*
11051 * Simple tags get blocked until all head of queue and ordered tags
11052 * ahead of them have completed. I'm lumping untagged commands in
11053 * with simple tags here. XXX KDM is that the right thing to do?
11054 */
11055 if (__predict_false(ooa_io->scsiio.tag_type == CTL_TAG_ORDERED) ||
11056 __predict_false(ooa_io->scsiio.tag_type == CTL_TAG_HEAD_OF_QUEUE))
11057 return (CTL_ACTION_BLOCK);
11058
11059 /* Unsupported command in OOA queue. */
11060 if (__predict_false(ooa_io->scsiio.seridx == CTL_SERIDX_INVLD))
11061 return (CTL_ACTION_PASS);
11062
11063 switch (serialize_row[ooa_io->scsiio.seridx]) {
11064 case CTL_SER_SEQ:
11065 if (lun->be_lun->serseq != CTL_LUN_SERSEQ_OFF)
11066 return (ctl_seq_check(ooa_io, pending_io));
11067 /* FALLTHROUGH */
11068 case CTL_SER_PASS:
11069 return (CTL_ACTION_PASS);
11070 case CTL_SER_EXTENTOPT:
11071 if ((lun->MODE_CTRL.queue_flags & SCP_QUEUE_ALG_MASK) ==
11073 return (CTL_ACTION_PASS);
11074 /* FALLTHROUGH */
11075 case CTL_SER_EXTENT:
11076 return (ctl_extent_check(ooa_io, pending_io,
11077 (lun->be_lun->serseq == CTL_LUN_SERSEQ_ON)));
11078 case CTL_SER_BLOCKOPT:
11079 if ((lun->MODE_CTRL.queue_flags & SCP_QUEUE_ALG_MASK) ==
11081 return (CTL_ACTION_PASS);
11082 /* FALLTHROUGH */
11083 case CTL_SER_BLOCK:
11084 return (CTL_ACTION_BLOCK);
11085 default:
11086 __assert_unreachable();
11087 }
11088}
11089
11090/*
11091 * Check for blockage or overlaps against the OOA (Order Of Arrival) queue.
11092 * Assumptions:
11093 * - pending_io is generally either incoming, or on the blocked queue
11094 * - starting I/O is the I/O we want to start the check with.
11095 */
11096static ctl_action
11097ctl_check_ooa(struct ctl_lun *lun, union ctl_io *pending_io,
11098 union ctl_io **starting_io)
11099{
11100 union ctl_io *ooa_io = *starting_io;
11101 const uint8_t *serialize_row;
11102 ctl_action action;
11103
11104 mtx_assert(&lun->lun_lock, MA_OWNED);
11105
11106 /*
11107 * Aborted commands are not going to be executed and may even
11108 * not report completion, so we don't care about their order.
11109 * Let them complete ASAP to clean the OOA queue.
11110 */
11111 if (__predict_false(pending_io->io_hdr.flags & CTL_FLAG_ABORT))
11112 return (CTL_ACTION_SKIP);
11113
11114 /*
11115 * Ordered tags have to block until all items ahead of them have
11116 * completed. If we get called with an ordered tag, we always
11117 * block, if something else is ahead of us in the queue.
11118 */
11119 if ((pending_io->scsiio.tag_type == CTL_TAG_ORDERED) &&
11120 (ooa_io != NULL))
11121 return (CTL_ACTION_BLOCK);
11122
11123 serialize_row = ctl_serialize_table[pending_io->scsiio.seridx];
11124
11125 /*
11126 * Run back along the OOA queue, starting with the current
11127 * blocked I/O and going through every I/O before it on the
11128 * queue. If starting_io is NULL, we'll just end up returning
11129 * CTL_ACTION_PASS.
11130 */
11131 for (; ooa_io != NULL;
11132 ooa_io = (union ctl_io *)LIST_NEXT(&ooa_io->io_hdr, ooa_links)) {
11133 action = ctl_check_for_blockage(lun, pending_io, serialize_row,
11134 ooa_io);
11135 if (action != CTL_ACTION_PASS) {
11136 *starting_io = ooa_io;
11137 return (action);
11138 }
11139 }
11140
11141 *starting_io = NULL;
11142 return (CTL_ACTION_PASS);
11143}
11144
11145/*
11146 * Try to unblock the specified I/O.
11147 *
11148 * skip parameter allows explicitly skip present blocker of the I/O,
11149 * starting from the previous one on OOA queue. It can be used when
11150 * we know for sure that the blocker I/O does no longer count.
11151 */
11152static void
11153ctl_try_unblock_io(struct ctl_lun *lun, union ctl_io *io, bool skip)
11154{
11155 struct ctl_softc *softc = lun->ctl_softc;
11156 union ctl_io *bio, *obio;
11157 const struct ctl_cmd_entry *entry;
11158 union ctl_ha_msg msg_info;
11159 ctl_action action;
11160
11161 mtx_assert(&lun->lun_lock, MA_OWNED);
11162
11163 if (io->io_hdr.blocker == NULL)
11164 return;
11165
11166 obio = bio = io->io_hdr.blocker;
11167 if (skip)
11168 bio = (union ctl_io *)LIST_NEXT(&bio->io_hdr, ooa_links);
11169 action = ctl_check_ooa(lun, io, &bio);
11170 if (action == CTL_ACTION_BLOCK) {
11171 /* Still blocked, but may be by different I/O now. */
11172 if (bio != obio) {
11173 TAILQ_REMOVE(&obio->io_hdr.blocked_queue,
11174 &io->io_hdr, blocked_links);
11175 TAILQ_INSERT_TAIL(&bio->io_hdr.blocked_queue,
11176 &io->io_hdr, blocked_links);
11177 io->io_hdr.blocker = bio;
11178 }
11179 return;
11180 }
11181
11182 /* No longer blocked, one way or another. */
11183 TAILQ_REMOVE(&obio->io_hdr.blocked_queue, &io->io_hdr, blocked_links);
11184 io->io_hdr.blocker = NULL;
11185
11186 switch (action) {
11187 case CTL_ACTION_PASS:
11188 case CTL_ACTION_SKIP:
11189
11190 /* Serializing commands from the other SC retire there. */
11191 if ((io->io_hdr.flags & CTL_FLAG_FROM_OTHER_SC) &&
11192 (softc->ha_mode != CTL_HA_MODE_XFER)) {
11193 io->io_hdr.flags &= ~CTL_FLAG_IO_ACTIVE;
11194 msg_info.hdr.original_sc = io->io_hdr.remote_io;
11195 msg_info.hdr.serializing_sc = io;
11196 msg_info.hdr.msg_type = CTL_MSG_R2R;
11198 sizeof(msg_info.hdr), M_NOWAIT);
11199 break;
11200 }
11201
11202 /*
11203 * Check this I/O for LUN state changes that may have happened
11204 * while this command was blocked. The LUN state may have been
11205 * changed by a command ahead of us in the queue.
11206 */
11207 entry = ctl_get_cmd_entry(&io->scsiio, NULL);
11208 if (ctl_scsiio_lun_check(lun, entry, &io->scsiio) != 0) {
11209 ctl_done(io);
11210 break;
11211 }
11212
11214 ctl_enqueue_rtr(io);
11215 break;
11216 default:
11217 __assert_unreachable();
11218 case CTL_ACTION_OVERLAP:
11220 goto error;
11223 io->scsiio.tag_num & 0xff);
11224error:
11225 /* Serializing commands from the other SC are done here. */
11226 if ((io->io_hdr.flags & CTL_FLAG_FROM_OTHER_SC) &&
11227 (softc->ha_mode != CTL_HA_MODE_XFER)) {
11228 ctl_try_unblock_others(lun, io, TRUE);
11229 LIST_REMOVE(&io->io_hdr, ooa_links);
11230
11231 ctl_copy_sense_data_back(io, &msg_info);
11232 msg_info.hdr.original_sc = io->io_hdr.remote_io;
11233 msg_info.hdr.serializing_sc = NULL;
11234 msg_info.hdr.msg_type = CTL_MSG_BAD_JUJU;
11236 sizeof(msg_info.scsi), M_WAITOK);
11237 ctl_free_io(io);
11238 break;
11239 }
11240
11241 ctl_done(io);
11242 break;
11243 }
11244}
11245
11246/*
11247 * Try to unblock I/Os blocked by the specified I/O.
11248 *
11249 * skip parameter allows explicitly skip the specified I/O as blocker,
11250 * starting from the previous one on the OOA queue. It can be used when
11251 * we know for sure that the specified I/O does no longer count (done).
11252 * It has to be still on OOA queue though so that we know where to start.
11253 */
11254static void
11255ctl_try_unblock_others(struct ctl_lun *lun, union ctl_io *bio, bool skip)
11256{
11257 union ctl_io *io, *next_io;
11258
11259 mtx_assert(&lun->lun_lock, MA_OWNED);
11260
11261 for (io = (union ctl_io *)TAILQ_FIRST(&bio->io_hdr.blocked_queue);
11262 io != NULL; io = next_io) {
11263 next_io = (union ctl_io *)TAILQ_NEXT(&io->io_hdr, blocked_links);
11264
11265 KASSERT(io->io_hdr.blocker != NULL,
11266 ("I/O %p on blocked list without blocker", io));
11267 ctl_try_unblock_io(lun, io, skip);
11268 }
11269 KASSERT(!skip || TAILQ_EMPTY(&bio->io_hdr.blocked_queue),
11270 ("blocked_queue is not empty after skipping %p", bio));
11271}
11272
11273/*
11274 * This routine (with one exception) checks LUN flags that can be set by
11275 * commands ahead of us in the OOA queue. These flags have to be checked
11276 * when a command initially comes in, and when we pull a command off the
11277 * blocked queue and are preparing to execute it. The reason we have to
11278 * check these flags for commands on the blocked queue is that the LUN
11279 * state may have been changed by a command ahead of us while we're on the
11280 * blocked queue.
11281 *
11282 * Ordering is somewhat important with these checks, so please pay
11283 * careful attention to the placement of any new checks.
11284 */
11285static int
11287 const struct ctl_cmd_entry *entry, struct ctl_scsiio *ctsio)
11288{
11289 struct ctl_softc *softc = lun->ctl_softc;
11290 int retval;
11291 uint32_t residx;
11292
11293 retval = 0;
11294
11295 mtx_assert(&lun->lun_lock, MA_OWNED);
11296
11297 /*
11298 * If this shelf is a secondary shelf controller, we may have to
11299 * reject some commands disallowed by HA mode and link state.
11300 */
11301 if ((lun->flags & CTL_LUN_PRIMARY_SC) == 0) {
11302 if (softc->ha_link == CTL_HA_LINK_OFFLINE &&
11303 (entry->flags & CTL_CMD_FLAG_OK_ON_UNAVAIL) == 0) {
11304 ctl_set_lun_unavail(ctsio);
11305 retval = 1;
11306 goto bailout;
11307 }
11308 if ((lun->flags & CTL_LUN_PEER_SC_PRIMARY) == 0 &&
11309 (entry->flags & CTL_CMD_FLAG_OK_ON_UNAVAIL) == 0) {
11310 ctl_set_lun_transit(ctsio);
11311 retval = 1;
11312 goto bailout;
11313 }
11314 if (softc->ha_mode == CTL_HA_MODE_ACT_STBY &&
11315 (entry->flags & CTL_CMD_FLAG_OK_ON_STANDBY) == 0) {
11316 ctl_set_lun_standby(ctsio);
11317 retval = 1;
11318 goto bailout;
11319 }
11320
11321 /* The rest of checks are only done on executing side */
11322 if (softc->ha_mode == CTL_HA_MODE_XFER)
11323 goto bailout;
11324 }
11325
11326 if (entry->pattern & CTL_LUN_PAT_WRITE) {
11327 if (lun->be_lun->flags & CTL_LUN_FLAG_READONLY) {
11329 retval = 1;
11330 goto bailout;
11331 }
11332 if ((lun->MODE_CTRL.eca_and_aen & SCP_SWP) != 0) {
11333 ctl_set_sense(ctsio, /*current_error*/ 1,
11334 /*sense_key*/ SSD_KEY_DATA_PROTECT,
11335 /*asc*/ 0x27, /*ascq*/ 0x02, SSD_ELEM_NONE);
11336 retval = 1;
11337 goto bailout;
11338 }
11339 }
11340
11341 /*
11342 * Check for a reservation conflict. If this command isn't allowed
11343 * even on reserved LUNs, and if this initiator isn't the one who
11344 * reserved us, reject the command with a reservation conflict.
11345 */
11346 residx = ctl_get_initindex(&ctsio->io_hdr.nexus);
11347 if ((lun->flags & CTL_LUN_RESERVED)
11348 && ((entry->flags & CTL_CMD_FLAG_ALLOW_ON_RESV) == 0)) {
11349 if (lun->res_idx != residx) {
11351 retval = 1;
11352 goto bailout;
11353 }
11354 }
11355
11356 if ((lun->flags & CTL_LUN_PR_RESERVED) == 0 ||
11358 /* No reservation or command is allowed. */;
11359 } else if ((entry->flags & CTL_CMD_FLAG_ALLOW_ON_PR_WRESV) &&
11360 (lun->pr_res_type == SPR_TYPE_WR_EX ||
11362 lun->pr_res_type == SPR_TYPE_WR_EX_AR)) {
11363 /* The command is allowed for Write Exclusive resv. */;
11364 } else {
11365 /*
11366 * if we aren't registered or it's a res holder type
11367 * reservation and this isn't the res holder then set a
11368 * conflict.
11369 */
11370 if (ctl_get_prkey(lun, residx) == 0 ||
11371 (residx != lun->pr_res_idx && lun->pr_res_type < 4)) {
11373 retval = 1;
11374 goto bailout;
11375 }
11376 }
11377
11378 if ((entry->flags & CTL_CMD_FLAG_OK_ON_NO_MEDIA) == 0) {
11379 if (lun->flags & CTL_LUN_EJECTED)
11380 ctl_set_lun_ejected(ctsio);
11381 else if (lun->flags & CTL_LUN_NO_MEDIA) {
11382 if (lun->flags & CTL_LUN_REMOVABLE)
11383 ctl_set_lun_no_media(ctsio);
11384 else
11385 ctl_set_lun_int_reqd(ctsio);
11386 } else if (lun->flags & CTL_LUN_STOPPED)
11387 ctl_set_lun_stopped(ctsio);
11388 else
11389 goto bailout;
11390 retval = 1;
11391 goto bailout;
11392 }
11393
11394bailout:
11395 return (retval);
11396}
11397
11398static void
11399ctl_failover_io(union ctl_io *io, int have_lock)
11400{
11401 ctl_set_busy(&io->scsiio);
11402 ctl_done(io);
11403}
11404
11405static void
11407{
11408 struct ctl_softc *softc = CTL_SOFTC(rio);
11409 struct ctl_lun *lun;
11410 struct ctl_io_hdr *io, *next_io;
11411 uint32_t targ_lun;
11412
11413 targ_lun = rio->io_hdr.nexus.targ_mapped_lun;
11414 CTL_DEBUG_PRINT(("FAILOVER for lun %u\n", targ_lun));
11415
11416 /* Find and lock the LUN. */
11417 mtx_lock(&softc->ctl_lock);
11418 if (targ_lun > ctl_max_luns ||
11419 (lun = softc->ctl_luns[targ_lun]) == NULL) {
11420 mtx_unlock(&softc->ctl_lock);
11421 return;
11422 }
11423 mtx_lock(&lun->lun_lock);
11424 mtx_unlock(&softc->ctl_lock);
11425 if (lun->flags & CTL_LUN_DISABLED) {
11426 mtx_unlock(&lun->lun_lock);
11427 return;
11428 }
11429
11430 if (softc->ha_mode == CTL_HA_MODE_XFER) {
11431 LIST_FOREACH_SAFE(io, &lun->ooa_queue, ooa_links, next_io) {
11432 /* We are master */
11433 if (io->flags & CTL_FLAG_FROM_OTHER_SC) {
11434 if (io->flags & CTL_FLAG_IO_ACTIVE) {
11435 io->flags |= CTL_FLAG_ABORT |
11438 (union ctl_io *)io, FALSE);
11439 } else { /* This can be only due to DATAMOVE */
11441 io->flags &= ~CTL_FLAG_DMA_INPROG;
11443 io->port_status = 31340;
11444 ctl_enqueue_isc((union ctl_io *)io);
11445 }
11446 } else
11447 /* We are slave */
11448 if (io->flags & CTL_FLAG_SENT_2OTHER_SC) {
11449 io->flags &= ~CTL_FLAG_SENT_2OTHER_SC;
11450 if (io->flags & CTL_FLAG_IO_ACTIVE) {
11451 io->flags |= CTL_FLAG_FAILOVER;
11452 } else {
11453 ctl_set_busy(&((union ctl_io *)io)->
11454 scsiio);
11455 ctl_done((union ctl_io *)io);
11456 }
11457 }
11458 }
11459 } else { /* SERIALIZE modes */
11460 LIST_FOREACH_SAFE(io, &lun->ooa_queue, ooa_links, next_io) {
11461 /* We are master */
11462 if (io->flags & CTL_FLAG_FROM_OTHER_SC) {
11463 if (io->blocker != NULL) {
11464 TAILQ_REMOVE(&io->blocker->io_hdr.blocked_queue,
11465 io, blocked_links);
11466 io->blocker = NULL;
11467 }
11468 ctl_try_unblock_others(lun, (union ctl_io *)io,
11469 TRUE);
11470 LIST_REMOVE(io, ooa_links);
11471 ctl_free_io((union ctl_io *)io);
11472 } else
11473 /* We are slave */
11474 if (io->flags & CTL_FLAG_SENT_2OTHER_SC) {
11475 io->flags &= ~CTL_FLAG_SENT_2OTHER_SC;
11476 if (!(io->flags & CTL_FLAG_IO_ACTIVE)) {
11477 ctl_set_busy(&((union ctl_io *)io)->
11478 scsiio);
11479 ctl_done((union ctl_io *)io);
11480 }
11481 }
11482 }
11483 }
11484 mtx_unlock(&lun->lun_lock);
11485}
11486
11487static void
11489{
11490 struct ctl_softc *softc = CTL_SOFTC(ctsio);
11491 struct ctl_lun *lun;
11492 const struct ctl_cmd_entry *entry;
11493 union ctl_io *bio;
11494 uint32_t initidx, targ_lun;
11495
11496 lun = NULL;
11497 targ_lun = ctsio->io_hdr.nexus.targ_mapped_lun;
11498 if (targ_lun < ctl_max_luns)
11499 lun = softc->ctl_luns[targ_lun];
11500 if (lun) {
11501 /*
11502 * If the LUN is invalid, pretend that it doesn't exist.
11503 * It will go away as soon as all pending I/O has been
11504 * completed.
11505 */
11506 mtx_lock(&lun->lun_lock);
11507 if (lun->flags & CTL_LUN_DISABLED) {
11508 mtx_unlock(&lun->lun_lock);
11509 lun = NULL;
11510 }
11511 }
11512 CTL_LUN(ctsio) = lun;
11513 if (lun) {
11514 CTL_BACKEND_LUN(ctsio) = lun->be_lun;
11515
11516 /*
11517 * Every I/O goes into the OOA queue for a particular LUN,
11518 * and stays there until completion.
11519 */
11520#ifdef CTL_TIME_IO
11521 if (LIST_EMPTY(&lun->ooa_queue))
11522 lun->idle_time += getsbinuptime() - lun->last_busy;
11523#endif
11524 LIST_INSERT_HEAD(&lun->ooa_queue, &ctsio->io_hdr, ooa_links);
11525 }
11526
11527 /* Get command entry and return error if it is unsuppotyed. */
11528 entry = ctl_validate_command(ctsio);
11529 if (entry == NULL) {
11530 if (lun)
11531 mtx_unlock(&lun->lun_lock);
11532 return;
11533 }
11534
11535 ctsio->io_hdr.flags &= ~CTL_FLAG_DATA_MASK;
11536 ctsio->io_hdr.flags |= entry->flags & CTL_FLAG_DATA_MASK;
11537
11538 /*
11539 * Check to see whether we can send this command to LUNs that don't
11540 * exist. This should pretty much only be the case for inquiry
11541 * and request sense. Further checks, below, really require having
11542 * a LUN, so we can't really check the command anymore. Just put
11543 * it on the rtr queue.
11544 */
11545 if (lun == NULL) {
11546 if (entry->flags & CTL_CMD_FLAG_OK_ON_NO_LUN) {
11548 ctl_enqueue_rtr((union ctl_io *)ctsio);
11549 return;
11550 }
11551
11553 ctl_done((union ctl_io *)ctsio);
11554 CTL_DEBUG_PRINT(("ctl_scsiio_precheck: bailing out due to invalid LUN\n"));
11555 return;
11556 } else {
11557 /*
11558 * Make sure we support this particular command on this LUN.
11559 * e.g., we don't support writes to the control LUN.
11560 */
11561 if (!ctl_cmd_applicable(lun->be_lun->lun_type, entry)) {
11562 mtx_unlock(&lun->lun_lock);
11564 ctl_done((union ctl_io *)ctsio);
11565 return;
11566 }
11567 }
11568
11569 initidx = ctl_get_initindex(&ctsio->io_hdr.nexus);
11570
11571 /*
11572 * If we've got a request sense, it'll clear the contingent
11573 * allegiance condition. Otherwise, if we have a CA condition for
11574 * this initiator, clear it, because it sent down a command other
11575 * than request sense.
11576 */
11577 if (ctsio->cdb[0] != REQUEST_SENSE) {
11578 struct scsi_sense_data *ps;
11579
11580 ps = lun->pending_sense[initidx / CTL_MAX_INIT_PER_PORT];
11581 if (ps != NULL)
11582 ps[initidx % CTL_MAX_INIT_PER_PORT].error_code = 0;
11583 }
11584
11585 /*
11586 * If the command has this flag set, it handles its own unit
11587 * attention reporting, we shouldn't do anything. Otherwise we
11588 * check for any pending unit attentions, and send them back to the
11589 * initiator. We only do this when a command initially comes in,
11590 * not when we pull it off the blocked queue.
11591 *
11592 * According to SAM-3, section 5.3.2, the order that things get
11593 * presented back to the host is basically unit attentions caused
11594 * by some sort of reset event, busy status, reservation conflicts
11595 * or task set full, and finally any other status.
11596 *
11597 * One issue here is that some of the unit attentions we report
11598 * don't fall into the "reset" category (e.g. "reported luns data
11599 * has changed"). So reporting it here, before the reservation
11600 * check, may be technically wrong. I guess the only thing to do
11601 * would be to check for and report the reset events here, and then
11602 * check for the other unit attention types after we check for a
11603 * reservation conflict.
11604 *
11605 * XXX KDM need to fix this
11606 */
11607 if ((entry->flags & CTL_CMD_FLAG_NO_SENSE) == 0) {
11608 ctl_ua_type ua_type;
11609 u_int sense_len = 0;
11610
11611 ua_type = ctl_build_ua(lun, initidx, &ctsio->sense_data,
11612 &sense_len, SSD_TYPE_NONE);
11613 if (ua_type != CTL_UA_NONE) {
11614 mtx_unlock(&lun->lun_lock);
11617 ctsio->sense_len = sense_len;
11618 ctl_done((union ctl_io *)ctsio);
11619 return;
11620 }
11621 }
11622
11623 if (ctl_scsiio_lun_check(lun, entry, ctsio) != 0) {
11624 mtx_unlock(&lun->lun_lock);
11625 ctl_done((union ctl_io *)ctsio);
11626 return;
11627 }
11628
11629 /*
11630 * XXX CHD this is where we want to send IO to other side if
11631 * this LUN is secondary on this SC. We will need to make a copy
11632 * of the IO and flag the IO on this side as SENT_2OTHER and the flag
11633 * the copy we send as FROM_OTHER.
11634 * We also need to stuff the address of the original IO so we can
11635 * find it easily. Something similar will need be done on the other
11636 * side so when we are done we can find the copy.
11637 */
11638 if ((lun->flags & CTL_LUN_PRIMARY_SC) == 0 &&
11639 (lun->flags & CTL_LUN_PEER_SC_PRIMARY) != 0 &&
11640 (entry->flags & CTL_CMD_FLAG_RUN_HERE) == 0) {
11641 union ctl_ha_msg msg_info;
11642 int isc_retval;
11643
11645 ctsio->io_hdr.flags &= ~CTL_FLAG_IO_ACTIVE;
11646 mtx_unlock(&lun->lun_lock);
11647
11648 msg_info.hdr.msg_type = CTL_MSG_SERIALIZE;
11649 msg_info.hdr.original_sc = (union ctl_io *)ctsio;
11650 msg_info.hdr.serializing_sc = NULL;
11651 msg_info.hdr.nexus = ctsio->io_hdr.nexus;
11652 msg_info.scsi.tag_num = ctsio->tag_num;
11653 msg_info.scsi.tag_type = ctsio->tag_type;
11654 memcpy(msg_info.scsi.cdb, ctsio->cdb, CTL_MAX_CDBLEN);
11655 msg_info.scsi.cdb_len = ctsio->cdb_len;
11656 msg_info.scsi.priority = ctsio->priority;
11657
11658 if ((isc_retval = ctl_ha_msg_send(CTL_HA_CHAN_CTL, &msg_info,
11659 sizeof(msg_info.scsi) - sizeof(msg_info.scsi.sense_data),
11660 M_WAITOK)) > CTL_HA_STATUS_SUCCESS) {
11661 ctl_set_busy(ctsio);
11662 ctl_done((union ctl_io *)ctsio);
11663 return;
11664 }
11665 return;
11666 }
11667
11668 bio = (union ctl_io *)LIST_NEXT(&ctsio->io_hdr, ooa_links);
11669 switch (ctl_check_ooa(lun, (union ctl_io *)ctsio, &bio)) {
11670 case CTL_ACTION_PASS:
11671 case CTL_ACTION_SKIP:
11673 mtx_unlock(&lun->lun_lock);
11674 ctl_enqueue_rtr((union ctl_io *)ctsio);
11675 break;
11676 case CTL_ACTION_BLOCK:
11677 ctsio->io_hdr.blocker = bio;
11678 TAILQ_INSERT_TAIL(&bio->io_hdr.blocked_queue, &ctsio->io_hdr,
11679 blocked_links);
11680 mtx_unlock(&lun->lun_lock);
11681 break;
11682 case CTL_ACTION_OVERLAP:
11683 mtx_unlock(&lun->lun_lock);
11685 ctl_done((union ctl_io *)ctsio);
11686 break;
11688 mtx_unlock(&lun->lun_lock);
11689 ctl_set_overlapped_tag(ctsio, ctsio->tag_num & 0xff);
11690 ctl_done((union ctl_io *)ctsio);
11691 break;
11692 default:
11693 __assert_unreachable();
11694 }
11695}
11696
11697const struct ctl_cmd_entry *
11698ctl_get_cmd_entry(struct ctl_scsiio *ctsio, int *sa)
11699{
11700 const struct ctl_cmd_entry *entry;
11701 int service_action;
11702
11703 entry = &ctl_cmd_table[ctsio->cdb[0]];
11704 if (sa)
11705 *sa = ((entry->flags & CTL_CMD_FLAG_SA5) != 0);
11706 if (entry->flags & CTL_CMD_FLAG_SA5) {
11707 service_action = ctsio->cdb[1] & SERVICE_ACTION_MASK;
11708 entry = &((const struct ctl_cmd_entry *)
11709 entry->execute)[service_action];
11710 }
11711 return (entry);
11712}
11713
11714const struct ctl_cmd_entry *
11716{
11717 const struct ctl_cmd_entry *entry;
11718 int i, sa;
11719 uint8_t diff;
11720
11721 entry = ctl_get_cmd_entry(ctsio, &sa);
11722 ctsio->seridx = entry->seridx;
11723 if (entry->execute == NULL) {
11724 if (sa)
11726 /*sks_valid*/ 1,
11727 /*command*/ 1,
11728 /*field*/ 1,
11729 /*bit_valid*/ 1,
11730 /*bit*/ 4);
11731 else
11733 ctl_done((union ctl_io *)ctsio);
11734 return (NULL);
11735 }
11736 KASSERT(entry->length > 0,
11737 ("Not defined length for command 0x%02x/0x%02x",
11738 ctsio->cdb[0], ctsio->cdb[1]));
11739 for (i = 1; i < entry->length; i++) {
11740 diff = ctsio->cdb[i] & ~entry->usage[i - 1];
11741 if (diff == 0)
11742 continue;
11744 /*sks_valid*/ 1,
11745 /*command*/ 1,
11746 /*field*/ i,
11747 /*bit_valid*/ 1,
11748 /*bit*/ fls(diff) - 1);
11749 ctl_done((union ctl_io *)ctsio);
11750 return (NULL);
11751 }
11752 return (entry);
11753}
11754
11755static int
11756ctl_cmd_applicable(uint8_t lun_type, const struct ctl_cmd_entry *entry)
11757{
11758
11759 switch (lun_type) {
11760 case T_DIRECT:
11761 if ((entry->flags & CTL_CMD_FLAG_OK_ON_DIRECT) == 0)
11762 return (0);
11763 break;
11764 case T_PROCESSOR:
11765 if ((entry->flags & CTL_CMD_FLAG_OK_ON_PROC) == 0)
11766 return (0);
11767 break;
11768 case T_CDROM:
11769 if ((entry->flags & CTL_CMD_FLAG_OK_ON_CDROM) == 0)
11770 return (0);
11771 break;
11772 default:
11773 return (0);
11774 }
11775 return (1);
11776}
11777
11778static int
11780{
11781 int retval;
11782 const struct ctl_cmd_entry *entry;
11783
11784 retval = CTL_RETVAL_COMPLETE;
11785
11786 CTL_DEBUG_PRINT(("ctl_scsiio cdb[0]=%02X\n", ctsio->cdb[0]));
11787
11788 entry = ctl_get_cmd_entry(ctsio, NULL);
11789
11790 /*
11791 * If this I/O has been aborted, just send it straight to
11792 * ctl_done() without executing it.
11793 */
11794 if (ctsio->io_hdr.flags & CTL_FLAG_ABORT) {
11795 ctl_done((union ctl_io *)ctsio);
11796 goto bailout;
11797 }
11798
11799 /*
11800 * All the checks should have been handled by ctl_scsiio_precheck().
11801 * We should be clear now to just execute the I/O.
11802 */
11803 retval = entry->execute(ctsio);
11804
11805bailout:
11806 return (retval);
11807}
11808
11809static int
11811{
11812 struct ctl_softc *softc = CTL_SOFTC(io);
11813 struct ctl_port *port = CTL_PORT(io);
11814 struct ctl_lun *lun;
11815 uint32_t initidx;
11816 ctl_ua_type ua_type;
11817
11818 if (!(io->io_hdr.flags & CTL_FLAG_FROM_OTHER_SC)) {
11819 union ctl_ha_msg msg_info;
11820
11821 msg_info.hdr.nexus = io->io_hdr.nexus;
11822 msg_info.task.task_action = io->taskio.task_action;
11824 msg_info.hdr.original_sc = NULL;
11825 msg_info.hdr.serializing_sc = NULL;
11827 sizeof(msg_info.task), M_WAITOK);
11828 }
11829
11830 initidx = ctl_get_initindex(&io->io_hdr.nexus);
11832 ua_type = CTL_UA_TARG_RESET;
11833 else
11834 ua_type = CTL_UA_BUS_RESET;
11835 mtx_lock(&softc->ctl_lock);
11836 STAILQ_FOREACH(lun, &softc->lun_list, links) {
11837 if (port != NULL &&
11838 ctl_lun_map_to_port(port, lun->lun) == UINT32_MAX)
11839 continue;
11840 ctl_do_lun_reset(lun, initidx, ua_type);
11841 }
11842 mtx_unlock(&softc->ctl_lock);
11844 return (0);
11845}
11846
11847/*
11848 * The LUN should always be set. The I/O is optional, and is used to
11849 * distinguish between I/Os sent by this initiator, and by other
11850 * initiators. We set unit attention for initiators other than this one.
11851 * SAM-3 is vague on this point. It does say that a unit attention should
11852 * be established for other initiators when a LUN is reset (see section
11853 * 5.7.3), but it doesn't specifically say that the unit attention should
11854 * be established for this particular initiator when a LUN is reset. Here
11855 * is the relevant text, from SAM-3 rev 8:
11856 *
11857 * 5.7.2 When a SCSI initiator port aborts its own tasks
11858 *
11859 * When a SCSI initiator port causes its own task(s) to be aborted, no
11860 * notification that the task(s) have been aborted shall be returned to
11861 * the SCSI initiator port other than the completion response for the
11862 * command or task management function action that caused the task(s) to
11863 * be aborted and notification(s) associated with related effects of the
11864 * action (e.g., a reset unit attention condition).
11865 *
11866 * XXX KDM for now, we're setting unit attention for all initiators.
11867 */
11868static void
11869ctl_do_lun_reset(struct ctl_lun *lun, uint32_t initidx, ctl_ua_type ua_type)
11870{
11871 struct ctl_io_hdr *xioh;
11872 int i;
11873
11874 mtx_lock(&lun->lun_lock);
11875 /* Abort tasks. */
11876 LIST_FOREACH(xioh, &lun->ooa_queue, ooa_links) {
11878 ctl_try_unblock_io(lun, (union ctl_io *)xioh, FALSE);
11879 }
11880 /* Clear CA. */
11881 for (i = 0; i < ctl_max_ports; i++) {
11882 free(lun->pending_sense[i], M_CTL);
11883 lun->pending_sense[i] = NULL;
11884 }
11885 /* Clear reservation. */
11886 lun->flags &= ~CTL_LUN_RESERVED;
11887 /* Clear prevent media removal. */
11888 if (lun->prevent) {
11889 for (i = 0; i < CTL_MAX_INITIATORS; i++)
11890 ctl_clear_mask(lun->prevent, i);
11891 lun->prevent_count = 0;
11892 }
11893 /* Clear TPC status */
11894 ctl_tpc_lun_clear(lun, -1);
11895 /* Establish UA. */
11896#if 0
11897 ctl_est_ua_all(lun, initidx, ua_type);
11898#else
11899 ctl_est_ua_all(lun, -1, ua_type);
11900#endif
11901 mtx_unlock(&lun->lun_lock);
11902}
11903
11904static int
11906{
11907 struct ctl_softc *softc = CTL_SOFTC(io);
11908 struct ctl_lun *lun;
11909 uint32_t targ_lun, initidx;
11910
11911 targ_lun = io->io_hdr.nexus.targ_mapped_lun;
11912 initidx = ctl_get_initindex(&io->io_hdr.nexus);
11913 mtx_lock(&softc->ctl_lock);
11914 if (targ_lun >= ctl_max_luns ||
11915 (lun = softc->ctl_luns[targ_lun]) == NULL) {
11916 mtx_unlock(&softc->ctl_lock);
11918 return (1);
11919 }
11921 mtx_unlock(&softc->ctl_lock);
11923
11924 if ((io->io_hdr.flags & CTL_FLAG_FROM_OTHER_SC) == 0) {
11925 union ctl_ha_msg msg_info;
11926
11928 msg_info.hdr.nexus = io->io_hdr.nexus;
11930 msg_info.hdr.original_sc = NULL;
11931 msg_info.hdr.serializing_sc = NULL;
11933 sizeof(msg_info.task), M_WAITOK);
11934 }
11935 return (0);
11936}
11937
11938static void
11939ctl_abort_tasks_lun(struct ctl_lun *lun, uint32_t targ_port, uint32_t init_id,
11940 int other_sc)
11941{
11942 struct ctl_io_hdr *xioh;
11943
11944 mtx_assert(&lun->lun_lock, MA_OWNED);
11945
11946 /*
11947 * Run through the OOA queue and attempt to find the given I/O.
11948 * The target port, initiator ID, tag type and tag number have to
11949 * match the values that we got from the initiator. If we have an
11950 * untagged command to abort, simply abort the first untagged command
11951 * we come to. We only allow one untagged command at a time of course.
11952 */
11953 LIST_FOREACH(xioh, &lun->ooa_queue, ooa_links) {
11954 union ctl_io *xio = (union ctl_io *)xioh;
11955 if ((targ_port == UINT32_MAX ||
11956 targ_port == xioh->nexus.targ_port) &&
11957 (init_id == UINT32_MAX ||
11958 init_id == xioh->nexus.initid)) {
11959 if (targ_port != xioh->nexus.targ_port ||
11960 init_id != xioh->nexus.initid)
11962 xioh->flags |= CTL_FLAG_ABORT;
11963 if (!other_sc && !(lun->flags & CTL_LUN_PRIMARY_SC)) {
11964 union ctl_ha_msg msg_info;
11965
11966 msg_info.hdr.nexus = xioh->nexus;
11968 msg_info.task.tag_num = xio->scsiio.tag_num;
11969 msg_info.task.tag_type = xio->scsiio.tag_type;
11971 msg_info.hdr.original_sc = NULL;
11972 msg_info.hdr.serializing_sc = NULL;
11974 sizeof(msg_info.task), M_NOWAIT);
11975 }
11976 ctl_try_unblock_io(lun, xio, FALSE);
11977 }
11978 }
11979}
11980
11981static int
11983{
11984 struct ctl_softc *softc = CTL_SOFTC(io);
11985 struct ctl_lun *lun;
11986 uint32_t targ_lun;
11987
11988 /*
11989 * Look up the LUN.
11990 */
11991 targ_lun = io->io_hdr.nexus.targ_mapped_lun;
11992 mtx_lock(&softc->ctl_lock);
11993 if (targ_lun >= ctl_max_luns ||
11994 (lun = softc->ctl_luns[targ_lun]) == NULL) {
11995 mtx_unlock(&softc->ctl_lock);
11997 return (1);
11998 }
11999
12000 mtx_lock(&lun->lun_lock);
12001 mtx_unlock(&softc->ctl_lock);
12004 io->io_hdr.nexus.initid,
12005 (io->io_hdr.flags & CTL_FLAG_FROM_OTHER_SC) != 0);
12006 } else { /* CTL_TASK_CLEAR_TASK_SET */
12007 ctl_abort_tasks_lun(lun, UINT32_MAX, UINT32_MAX,
12008 (io->io_hdr.flags & CTL_FLAG_FROM_OTHER_SC) != 0);
12009 }
12010 mtx_unlock(&lun->lun_lock);
12012 return (0);
12013}
12014
12015static void
12016ctl_i_t_nexus_loss(struct ctl_softc *softc, uint32_t initidx,
12017 ctl_ua_type ua_type)
12018{
12019 struct ctl_lun *lun;
12020 struct scsi_sense_data *ps;
12021 uint32_t p, i;
12022
12023 p = initidx / CTL_MAX_INIT_PER_PORT;
12024 i = initidx % CTL_MAX_INIT_PER_PORT;
12025 mtx_lock(&softc->ctl_lock);
12026 STAILQ_FOREACH(lun, &softc->lun_list, links) {
12027 mtx_lock(&lun->lun_lock);
12028 /* Abort tasks. */
12029 ctl_abort_tasks_lun(lun, p, i, 1);
12030 /* Clear CA. */
12031 ps = lun->pending_sense[p];
12032 if (ps != NULL)
12033 ps[i].error_code = 0;
12034 /* Clear reservation. */
12035 if ((lun->flags & CTL_LUN_RESERVED) && (lun->res_idx == initidx))
12036 lun->flags &= ~CTL_LUN_RESERVED;
12037 /* Clear prevent media removal. */
12038 if (lun->prevent && ctl_is_set(lun->prevent, initidx)) {
12039 ctl_clear_mask(lun->prevent, initidx);
12040 lun->prevent_count--;
12041 }
12042 /* Clear TPC status */
12043 ctl_tpc_lun_clear(lun, initidx);
12044 /* Establish UA. */
12045 ctl_est_ua(lun, initidx, ua_type);
12046 mtx_unlock(&lun->lun_lock);
12047 }
12048 mtx_unlock(&softc->ctl_lock);
12049}
12050
12051static int
12053{
12054 struct ctl_softc *softc = CTL_SOFTC(io);
12055 uint32_t initidx;
12056
12057 if (!(io->io_hdr.flags & CTL_FLAG_FROM_OTHER_SC)) {
12058 union ctl_ha_msg msg_info;
12059
12060 msg_info.hdr.nexus = io->io_hdr.nexus;
12063 msg_info.hdr.original_sc = NULL;
12064 msg_info.hdr.serializing_sc = NULL;
12066 sizeof(msg_info.task), M_WAITOK);
12067 }
12068
12069 initidx = ctl_get_initindex(&io->io_hdr.nexus);
12072 return (0);
12073}
12074
12075static int
12077{
12078 struct ctl_softc *softc = CTL_SOFTC(io);
12079 struct ctl_io_hdr *xioh;
12080 struct ctl_lun *lun;
12081 uint32_t targ_lun;
12082
12083 /*
12084 * Look up the LUN.
12085 */
12086 targ_lun = io->io_hdr.nexus.targ_mapped_lun;
12087 mtx_lock(&softc->ctl_lock);
12088 if (targ_lun >= ctl_max_luns ||
12089 (lun = softc->ctl_luns[targ_lun]) == NULL) {
12090 mtx_unlock(&softc->ctl_lock);
12092 return (1);
12093 }
12094
12095 mtx_lock(&lun->lun_lock);
12096 mtx_unlock(&softc->ctl_lock);
12097 /*
12098 * Run through the OOA queue and attempt to find the given I/O.
12099 * The target port, initiator ID, tag type and tag number have to
12100 * match the values that we got from the initiator. If we have an
12101 * untagged command to abort, simply abort the first untagged command
12102 * we come to. We only allow one untagged command at a time of course.
12103 */
12104 LIST_FOREACH(xioh, &lun->ooa_queue, ooa_links) {
12105 union ctl_io *xio = (union ctl_io *)xioh;
12106 if ((xioh->nexus.targ_port != io->io_hdr.nexus.targ_port)
12107 || (xioh->nexus.initid != io->io_hdr.nexus.initid)
12108 || (xioh->flags & CTL_FLAG_ABORT))
12109 continue;
12110
12111 /*
12112 * If the abort says that the task is untagged, the
12113 * task in the queue must be untagged. Otherwise,
12114 * we just check to see whether the tag numbers
12115 * match. This is because the QLogic firmware
12116 * doesn't pass back the tag type in an abort
12117 * request.
12118 */
12119#if 0
12120 if (((xio->scsiio.tag_type == CTL_TAG_UNTAGGED)
12121 && (io->taskio.tag_type == CTL_TAG_UNTAGGED))
12122 || (xio->scsiio.tag_num == io->taskio.tag_num)) {
12123#else
12124 /*
12125 * XXX KDM we've got problems with FC, because it
12126 * doesn't send down a tag type with aborts. So we
12127 * can only really go by the tag number...
12128 * This may cause problems with parallel SCSI.
12129 * Need to figure that out!!
12130 */
12131 if (xio->scsiio.tag_num == io->taskio.tag_num) {
12132#endif
12133 xioh->flags |= CTL_FLAG_ABORT;
12134 if ((io->io_hdr.flags & CTL_FLAG_FROM_OTHER_SC) == 0 &&
12135 !(lun->flags & CTL_LUN_PRIMARY_SC)) {
12136 union ctl_ha_msg msg_info;
12137
12138 msg_info.hdr.nexus = io->io_hdr.nexus;
12140 msg_info.task.tag_num = io->taskio.tag_num;
12141 msg_info.task.tag_type = io->taskio.tag_type;
12143 msg_info.hdr.original_sc = NULL;
12144 msg_info.hdr.serializing_sc = NULL;
12146 sizeof(msg_info.task), M_NOWAIT);
12147 }
12148 ctl_try_unblock_io(lun, xio, FALSE);
12149 }
12150 }
12151 mtx_unlock(&lun->lun_lock);
12153 return (0);
12154}
12155
12156static int
12157ctl_query_task(union ctl_io *io, int task_set)
12158{
12159 struct ctl_softc *softc = CTL_SOFTC(io);
12160 struct ctl_io_hdr *xioh;
12161 struct ctl_lun *lun;
12162 int found = 0;
12163 uint32_t targ_lun;
12164
12165 targ_lun = io->io_hdr.nexus.targ_mapped_lun;
12166 mtx_lock(&softc->ctl_lock);
12167 if (targ_lun >= ctl_max_luns ||
12168 (lun = softc->ctl_luns[targ_lun]) == NULL) {
12169 mtx_unlock(&softc->ctl_lock);
12171 return (1);
12172 }
12173 mtx_lock(&lun->lun_lock);
12174 mtx_unlock(&softc->ctl_lock);
12175 LIST_FOREACH(xioh, &lun->ooa_queue, ooa_links) {
12176 union ctl_io *xio = (union ctl_io *)xioh;
12177 if ((xioh->nexus.targ_port != io->io_hdr.nexus.targ_port)
12178 || (xioh->nexus.initid != io->io_hdr.nexus.initid)
12179 || (xioh->flags & CTL_FLAG_ABORT))
12180 continue;
12181
12182 if (task_set || xio->scsiio.tag_num == io->taskio.tag_num) {
12183 found = 1;
12184 break;
12185 }
12186 }
12187 mtx_unlock(&lun->lun_lock);
12188 if (found)
12190 else
12192 return (0);
12193}
12194
12195static int
12197{
12198 struct ctl_softc *softc = CTL_SOFTC(io);
12199 struct ctl_lun *lun;
12200 ctl_ua_type ua;
12201 uint32_t targ_lun, initidx;
12202
12203 targ_lun = io->io_hdr.nexus.targ_mapped_lun;
12204 mtx_lock(&softc->ctl_lock);
12205 if (targ_lun >= ctl_max_luns ||
12206 (lun = softc->ctl_luns[targ_lun]) == NULL) {
12207 mtx_unlock(&softc->ctl_lock);
12209 return (1);
12210 }
12211 mtx_lock(&lun->lun_lock);
12212 mtx_unlock(&softc->ctl_lock);
12213 initidx = ctl_get_initindex(&io->io_hdr.nexus);
12214 ua = ctl_build_qae(lun, initidx, io->taskio.task_resp);
12215 mtx_unlock(&lun->lun_lock);
12216 if (ua != CTL_UA_NONE)
12218 else
12220 return (0);
12221}
12222
12223static void
12225{
12226 int retval = 1;
12227
12228 CTL_DEBUG_PRINT(("ctl_run_task\n"));
12229 KASSERT(io->io_hdr.io_type == CTL_IO_TASK,
12230 ("ctl_run_task: Unextected io_type %d\n", io->io_hdr.io_type));
12232 bzero(io->taskio.task_resp, sizeof(io->taskio.task_resp));
12233 switch (io->taskio.task_action) {
12235 retval = ctl_abort_task(io);
12236 break;
12239 retval = ctl_abort_task_set(io);
12240 break;
12241 case CTL_TASK_CLEAR_ACA:
12242 break;
12244 retval = ctl_i_t_nexus_reset(io);
12245 break;
12246 case CTL_TASK_LUN_RESET:
12247 retval = ctl_lun_reset(io);
12248 break;
12250 case CTL_TASK_BUS_RESET:
12251 retval = ctl_target_reset(io);
12252 break;
12254 break;
12256 break;
12258 retval = ctl_query_task(io, 0);
12259 break;
12261 retval = ctl_query_task(io, 1);
12262 break;
12264 retval = ctl_query_async_event(io);
12265 break;
12266 default:
12267 printf("%s: got unknown task management event %d\n",
12268 __func__, io->taskio.task_action);
12269 break;
12270 }
12271 if (retval == 0)
12273 else
12274 io->io_hdr.status = CTL_ERROR;
12275 ctl_done(io);
12276}
12277
12278/*
12279 * For HA operation. Handle commands that come in from the other
12280 * controller.
12281 */
12282static void
12284{
12285 struct ctl_softc *softc = CTL_SOFTC(io);
12286 struct ctl_lun *lun;
12287 const struct ctl_cmd_entry *entry;
12288 uint32_t targ_lun;
12289
12290 targ_lun = io->io_hdr.nexus.targ_mapped_lun;
12291 switch (io->io_hdr.msg_type) {
12292 case CTL_MSG_SERIALIZE:
12294 break;
12295 case CTL_MSG_R2R: /* Only used in SER_ONLY mode. */
12296 entry = ctl_get_cmd_entry(&io->scsiio, NULL);
12297 if (targ_lun >= ctl_max_luns ||
12298 (lun = softc->ctl_luns[targ_lun]) == NULL) {
12299 ctl_done(io);
12300 break;
12301 }
12302 mtx_lock(&lun->lun_lock);
12303 if (ctl_scsiio_lun_check(lun, entry, &io->scsiio) != 0) {
12304 mtx_unlock(&lun->lun_lock);
12305 ctl_done(io);
12306 break;
12307 }
12309 mtx_unlock(&lun->lun_lock);
12310 ctl_enqueue_rtr(io);
12311 break;
12312 case CTL_MSG_FINISH_IO:
12313 if (softc->ha_mode == CTL_HA_MODE_XFER) {
12314 ctl_done(io);
12315 break;
12316 }
12317 if (targ_lun >= ctl_max_luns ||
12318 (lun = softc->ctl_luns[targ_lun]) == NULL) {
12319 ctl_free_io(io);
12320 break;
12321 }
12322 mtx_lock(&lun->lun_lock);
12323 ctl_try_unblock_others(lun, io, TRUE);
12324 LIST_REMOVE(&io->io_hdr, ooa_links);
12325 mtx_unlock(&lun->lun_lock);
12326 ctl_free_io(io);
12327 break;
12330 ctl_free_io(io);
12331 break;
12332 case CTL_MSG_BAD_JUJU:
12333 ctl_done(io);
12334 break;
12335 case CTL_MSG_DATAMOVE: /* Only used in XFER mode */
12337 break;
12338 case CTL_MSG_DATAMOVE_DONE: /* Only used in XFER mode */
12339 ctl_datamove_done(io, false);
12340 break;
12341 case CTL_MSG_FAILOVER:
12342 ctl_failover_lun(io);
12343 ctl_free_io(io);
12344 break;
12345 default:
12346 printf("%s: Invalid message type %d\n",
12347 __func__, io->io_hdr.msg_type);
12348 ctl_free_io(io);
12349 break;
12350 }
12351
12352}
12353
12354/*
12355 * Returns the match type in the case of a match, or CTL_LUN_PAT_NONE if
12356 * there is no match.
12357 */
12360{
12361 const struct ctl_cmd_entry *entry;
12362 ctl_lun_error_pattern filtered_pattern, pattern;
12363
12364 pattern = desc->error_pattern;
12365
12366 /*
12367 * XXX KDM we need more data passed into this function to match a
12368 * custom pattern, and we actually need to implement custom pattern
12369 * matching.
12370 */
12372 return (CTL_LUN_PAT_CMD);
12373
12375 return (CTL_LUN_PAT_ANY);
12376
12377 entry = ctl_get_cmd_entry(ctsio, NULL);
12378
12379 filtered_pattern = entry->pattern & pattern;
12380
12381 /*
12382 * If the user requested specific flags in the pattern (e.g.
12383 * CTL_LUN_PAT_RANGE), make sure the command supports all of those
12384 * flags.
12385 *
12386 * If the user did not specify any flags, it doesn't matter whether
12387 * or not the command supports the flags.
12388 */
12389 if ((filtered_pattern & ~CTL_LUN_PAT_MASK) !=
12391 return (CTL_LUN_PAT_NONE);
12392
12393 /*
12394 * If the user asked for a range check, see if the requested LBA
12395 * range overlaps with this command's LBA range.
12396 */
12397 if (filtered_pattern & CTL_LUN_PAT_RANGE) {
12398 uint64_t lba1;
12399 uint64_t len1;
12400 ctl_action action;
12401 int retval;
12402
12403 retval = ctl_get_lba_len((union ctl_io *)ctsio, &lba1, &len1);
12404 if (retval != 0)
12405 return (CTL_LUN_PAT_NONE);
12406
12407 action = ctl_extent_check_lba(lba1, len1, desc->lba_range.lba,
12408 desc->lba_range.len, FALSE);
12409 /*
12410 * A "pass" means that the LBA ranges don't overlap, so
12411 * this doesn't match the user's range criteria.
12412 */
12413 if (action == CTL_ACTION_PASS)
12414 return (CTL_LUN_PAT_NONE);
12415 }
12416
12417 return (filtered_pattern);
12418}
12419
12420static void
12421ctl_inject_error(struct ctl_lun *lun, union ctl_io *io)
12422{
12423 struct ctl_error_desc *desc, *desc2;
12424
12425 mtx_assert(&lun->lun_lock, MA_OWNED);
12426
12427 STAILQ_FOREACH_SAFE(desc, &lun->error_list, links, desc2) {
12428 ctl_lun_error_pattern pattern;
12429 /*
12430 * Check to see whether this particular command matches
12431 * the pattern in the descriptor.
12432 */
12433 pattern = ctl_cmd_pattern_match(&io->scsiio, desc);
12434 if ((pattern & CTL_LUN_PAT_MASK) == CTL_LUN_PAT_NONE)
12435 continue;
12436
12437 switch (desc->lun_error & CTL_LUN_INJ_TYPE) {
12439 ctl_set_aborted(&io->scsiio);
12440 break;
12445 break;
12446 case CTL_LUN_INJ_UA:
12447 /* 29h/00h POWER ON, RESET, OR BUS DEVICE RESET
12448 * OCCURRED */
12449 ctl_set_ua(&io->scsiio, 0x29, 0x00);
12450 break;
12451 case CTL_LUN_INJ_CUSTOM:
12452 /*
12453 * We're assuming the user knows what he is doing.
12454 * Just copy the sense information without doing
12455 * checks.
12456 */
12457 bcopy(&desc->custom_sense, &io->scsiio.sense_data,
12458 MIN(sizeof(desc->custom_sense),
12459 sizeof(io->scsiio.sense_data)));
12463 break;
12464 case CTL_LUN_INJ_NONE:
12465 default:
12466 /*
12467 * If this is an error injection type we don't know
12468 * about, clear the continuous flag (if it is set)
12469 * so it will get deleted below.
12470 */
12471 desc->lun_error &= ~CTL_LUN_INJ_CONTINUOUS;
12472 break;
12473 }
12474 /*
12475 * By default, each error injection action is a one-shot
12476 */
12478 continue;
12479
12480 STAILQ_REMOVE(&lun->error_list, desc, ctl_error_desc, links);
12481
12482 free(desc, M_CTL);
12483 }
12484}
12485
12486#ifdef CTL_IO_DELAY
12487static void
12488ctl_datamove_timer_wakeup(void *arg)
12489{
12490 union ctl_io *io;
12491
12492 io = (union ctl_io *)arg;
12493
12494 ctl_datamove(io);
12495}
12496#endif /* CTL_IO_DELAY */
12497
12498static void
12500{
12501#ifdef CTL_TIME_IO
12502 struct bintime cur_bt;
12503#endif
12504
12505 KASSERT(io->io_hdr.io_type == CTL_IO_SCSI,
12506 ("%s: unexpected I/O type %x", __func__, io->io_hdr.io_type));
12507
12508#ifdef CTL_TIME_IO
12509 getbinuptime(&cur_bt);
12510 bintime_sub(&cur_bt, &io->io_hdr.dma_start_bt);
12511 bintime_add(&io->io_hdr.dma_bt, &cur_bt);
12512#endif
12513 io->io_hdr.num_dmas++;
12514
12515 if ((io->io_hdr.port_status != 0) &&
12518 ctl_set_internal_failure(&io->scsiio, /*sks_valid*/ 1,
12519 /*retry_count*/ io->io_hdr.port_status);
12520 } else if (io->scsiio.kern_data_resid != 0 &&
12525 } else if (ctl_debug & CTL_DEBUG_CDB_DATA)
12526 ctl_data_print(io);
12527}
12528
12529void
12530ctl_datamove_done(union ctl_io *io, bool samethr)
12531{
12532
12534 io->scsiio.be_move_done(io, samethr);
12535}
12536
12537void
12539{
12540 void (*fe_datamove)(union ctl_io *io);
12541
12542 mtx_assert(&((struct ctl_softc *)CTL_SOFTC(io))->ctl_lock, MA_NOTOWNED);
12543
12544 CTL_DEBUG_PRINT(("ctl_datamove\n"));
12545
12546 /* No data transferred yet. Frontend must update this when done. */
12548
12549#ifdef CTL_TIME_IO
12550 getbinuptime(&io->io_hdr.dma_start_bt);
12551#endif /* CTL_TIME_IO */
12552
12553#ifdef CTL_IO_DELAY
12554 if (io->io_hdr.flags & CTL_FLAG_DELAY_DONE) {
12555 io->io_hdr.flags &= ~CTL_FLAG_DELAY_DONE;
12556 } else {
12557 struct ctl_lun *lun;
12558
12559 lun = CTL_LUN(io);
12560 if ((lun != NULL)
12561 && (lun->delay_info.datamove_delay > 0)) {
12562 callout_init(&io->io_hdr.delay_callout, /*mpsafe*/ 1);
12564 callout_reset(&io->io_hdr.delay_callout,
12565 lun->delay_info.datamove_delay * hz,
12566 ctl_datamove_timer_wakeup, io);
12567 if (lun->delay_info.datamove_type ==
12569 lun->delay_info.datamove_delay = 0;
12570 return;
12571 }
12572 }
12573#endif
12574
12575 /*
12576 * This command has been aborted. Set the port status, so we fail
12577 * the data move.
12578 */
12579 if (io->io_hdr.flags & CTL_FLAG_ABORT) {
12580 printf("ctl_datamove: tag 0x%04x on (%u:%u:%u) aborted\n",
12581 io->scsiio.tag_num, io->io_hdr.nexus.initid,
12583 io->io_hdr.nexus.targ_lun);
12584 io->io_hdr.port_status = 31337;
12586 io->scsiio.be_move_done(io, true);
12587 return;
12588 }
12589
12590 /* Don't confuse frontend with zero length data move. */
12591 if (io->scsiio.kern_data_len == 0) {
12593 io->scsiio.be_move_done(io, true);
12594 return;
12595 }
12596
12597 fe_datamove = CTL_PORT(io)->fe_datamove;
12598 fe_datamove(io);
12599}
12600
12601static void
12602ctl_send_datamove_done(union ctl_io *io, int have_lock)
12603{
12604 union ctl_ha_msg msg;
12605#ifdef CTL_TIME_IO
12606 struct bintime cur_bt;
12607#endif
12608
12609 memset(&msg, 0, sizeof(msg));
12611 msg.hdr.original_sc = io;
12613 msg.hdr.nexus = io->io_hdr.nexus;
12614 msg.hdr.status = io->io_hdr.status;
12616 msg.scsi.tag_num = io->scsiio.tag_num;
12617 msg.scsi.tag_type = io->scsiio.tag_type;
12619 memcpy(&msg.scsi.sense_data, &io->scsiio.sense_data,
12620 io->scsiio.sense_len);
12621 msg.scsi.sense_len = io->scsiio.sense_len;
12623 io->io_hdr.flags &= ~CTL_FLAG_IO_ACTIVE;
12624 if (io->io_hdr.flags & CTL_FLAG_FAILOVER) {
12625 ctl_failover_io(io, /*have_lock*/ have_lock);
12626 return;
12627 }
12629 sizeof(msg.scsi) - sizeof(msg.scsi.sense_data) +
12630 msg.scsi.sense_len, M_WAITOK);
12631
12632#ifdef CTL_TIME_IO
12633 getbinuptime(&cur_bt);
12634 bintime_sub(&cur_bt, &io->io_hdr.dma_start_bt);
12635 bintime_add(&io->io_hdr.dma_bt, &cur_bt);
12636#endif
12637 io->io_hdr.num_dmas++;
12638}
12639
12640/*
12641 * The DMA to the remote side is done, now we need to tell the other side
12642 * we're done so it can continue with its data movement.
12643 */
12644static void
12646{
12647 union ctl_io *io;
12648 uint32_t i;
12649
12650 io = rq->context;
12651
12652 if (rq->ret != CTL_HA_STATUS_SUCCESS) {
12653 printf("%s: ISC DMA write failed with error %d", __func__,
12654 rq->ret);
12656 /*sks_valid*/ 1,
12657 /*retry_count*/ rq->ret);
12658 }
12659
12660 ctl_dt_req_free(rq);
12661
12662 for (i = 0; i < io->scsiio.kern_sg_entries; i++)
12663 free(CTL_LSGLT(io)[i].addr, M_CTL);
12664 free(CTL_RSGL(io), M_CTL);
12665 CTL_RSGL(io) = NULL;
12666 CTL_LSGL(io) = NULL;
12667
12668 /*
12669 * The data is in local and remote memory, so now we need to send
12670 * status (good or back) back to the other side.
12671 */
12672 ctl_send_datamove_done(io, /*have_lock*/ 0);
12673}
12674
12675/*
12676 * We've moved the data from the host/controller into local memory. Now we
12677 * need to push it over to the remote controller's memory.
12678 */
12679static int
12681{
12682 int retval;
12683
12686 return (retval);
12687}
12688
12689static void
12691{
12692 int retval;
12693 void (*fe_datamove)(union ctl_io *io);
12694
12695 /*
12696 * - Get the data from the host/HBA into local memory.
12697 * - DMA memory from the local controller to the remote controller.
12698 * - Send status back to the remote controller.
12699 */
12700
12701 retval = ctl_datamove_remote_sgl_setup(io);
12702 if (retval != 0)
12703 return;
12704
12705 /* Switch the pointer over so the FETD knows what to do */
12706 io->scsiio.kern_data_ptr = (uint8_t *)CTL_LSGL(io);
12707
12708 /*
12709 * Use a custom move done callback, since we need to send completion
12710 * back to the other controller, not to the backend on this side.
12711 */
12713
12714 fe_datamove = CTL_PORT(io)->fe_datamove;
12715 fe_datamove(io);
12716}
12717
12718static int
12720{
12721 uint32_t i;
12722
12723 for (i = 0; i < io->scsiio.kern_sg_entries; i++)
12724 free(CTL_LSGLT(io)[i].addr, M_CTL);
12725 free(CTL_RSGL(io), M_CTL);
12726 CTL_RSGL(io) = NULL;
12727 CTL_LSGL(io) = NULL;
12728
12729 /*
12730 * The read is done, now we need to send status (good or bad) back
12731 * to the other side.
12732 */
12733 ctl_send_datamove_done(io, /*have_lock*/ 0);
12734
12735 return (0);
12736}
12737
12738static void
12740{
12741 union ctl_io *io;
12742 void (*fe_datamove)(union ctl_io *io);
12743
12744 io = rq->context;
12745
12746 if (rq->ret != CTL_HA_STATUS_SUCCESS) {
12747 printf("%s: ISC DMA read failed with error %d\n", __func__,
12748 rq->ret);
12750 /*sks_valid*/ 1,
12751 /*retry_count*/ rq->ret);
12752 }
12753
12754 ctl_dt_req_free(rq);
12755
12756 /* Switch the pointer over so the FETD knows what to do */
12757 io->scsiio.kern_data_ptr = (uint8_t *)CTL_LSGL(io);
12758
12759 /*
12760 * Use a custom move done callback, since we need to send completion
12761 * back to the other controller, not to the backend on this side.
12762 */
12764
12765 /* XXX KDM add checks like the ones in ctl_datamove? */
12766
12767 fe_datamove = CTL_PORT(io)->fe_datamove;
12768 fe_datamove(io);
12769}
12770
12771static int
12773{
12774 struct ctl_sg_entry *local_sglist;
12775 uint32_t len_to_go;
12776 int retval;
12777 int i;
12778
12779 retval = 0;
12780 local_sglist = CTL_LSGL(io);
12781 len_to_go = io->scsiio.kern_data_len;
12782
12783 /*
12784 * The difficult thing here is that the size of the various
12785 * S/G segments may be different than the size from the
12786 * remote controller. That'll make it harder when DMAing
12787 * the data back to the other side.
12788 */
12789 for (i = 0; len_to_go > 0; i++) {
12790 local_sglist[i].len = MIN(len_to_go, CTL_HA_DATAMOVE_SEGMENT);
12791 local_sglist[i].addr =
12792 malloc(local_sglist[i].len, M_CTL, M_WAITOK);
12793
12794 len_to_go -= local_sglist[i].len;
12795 }
12796 /*
12797 * Reset the number of S/G entries accordingly. The original
12798 * number of S/G entries is available in rem_sg_entries.
12799 */
12800 io->scsiio.kern_sg_entries = i;
12801
12802 return (retval);
12803}
12804
12805static int
12806ctl_datamove_remote_xfer(union ctl_io *io, unsigned command,
12807 ctl_ha_dt_cb callback)
12808{
12809 struct ctl_ha_dt_req *rq;
12810 struct ctl_sg_entry *remote_sglist, *local_sglist;
12811 uint32_t local_used, remote_used, total_used;
12812 int i, j, isc_ret;
12813
12814 rq = ctl_dt_req_alloc();
12815
12816 /*
12817 * If we failed to allocate the request, and if the DMA didn't fail
12818 * anyway, set busy status. This is just a resource allocation
12819 * failure.
12820 */
12821 if ((rq == NULL)
12824 ctl_set_busy(&io->scsiio);
12825
12828 if (rq != NULL)
12829 ctl_dt_req_free(rq);
12830
12831 /*
12832 * The data move failed. We need to return status back
12833 * to the other controller. No point in trying to DMA
12834 * data to the remote controller.
12835 */
12836
12837 ctl_send_datamove_done(io, /*have_lock*/ 0);
12838
12839 return (1);
12840 }
12841
12842 local_sglist = CTL_LSGL(io);
12843 remote_sglist = CTL_RSGL(io);
12844 local_used = 0;
12845 remote_used = 0;
12846 total_used = 0;
12847
12848 /*
12849 * Pull/push the data over the wire from/to the other controller.
12850 * This takes into account the possibility that the local and
12851 * remote sglists may not be identical in terms of the size of
12852 * the elements and the number of elements.
12853 *
12854 * One fundamental assumption here is that the length allocated for
12855 * both the local and remote sglists is identical. Otherwise, we've
12856 * essentially got a coding error of some sort.
12857 */
12858 isc_ret = CTL_HA_STATUS_SUCCESS;
12859 for (i = 0, j = 0; total_used < io->scsiio.kern_data_len; ) {
12860 uint32_t cur_len;
12861 uint8_t *tmp_ptr;
12862
12863 rq->command = command;
12864 rq->context = io;
12865
12866 /*
12867 * Both pointers should be aligned. But it is possible
12868 * that the allocation length is not. They should both
12869 * also have enough slack left over at the end, though,
12870 * to round up to the next 8 byte boundary.
12871 */
12872 cur_len = MIN(local_sglist[i].len - local_used,
12873 remote_sglist[j].len - remote_used);
12874 rq->size = cur_len;
12875
12876 tmp_ptr = (uint8_t *)local_sglist[i].addr;
12877 tmp_ptr += local_used;
12878
12879#if 0
12880 /* Use physical addresses when talking to ISC hardware */
12881 if ((io->io_hdr.flags & CTL_FLAG_BUS_ADDR) == 0) {
12882 /* XXX KDM use busdma */
12883 rq->local = vtophys(tmp_ptr);
12884 } else
12885 rq->local = tmp_ptr;
12886#else
12887 KASSERT((io->io_hdr.flags & CTL_FLAG_BUS_ADDR) == 0,
12888 ("HA does not support BUS_ADDR"));
12889 rq->local = tmp_ptr;
12890#endif
12891
12892 tmp_ptr = (uint8_t *)remote_sglist[j].addr;
12893 tmp_ptr += remote_used;
12894 rq->remote = tmp_ptr;
12895
12896 rq->callback = NULL;
12897
12898 local_used += cur_len;
12899 if (local_used >= local_sglist[i].len) {
12900 i++;
12901 local_used = 0;
12902 }
12903
12904 remote_used += cur_len;
12905 if (remote_used >= remote_sglist[j].len) {
12906 j++;
12907 remote_used = 0;
12908 }
12909 total_used += cur_len;
12910
12911 if (total_used >= io->scsiio.kern_data_len)
12912 rq->callback = callback;
12913
12914 isc_ret = ctl_dt_single(rq);
12915 if (isc_ret > CTL_HA_STATUS_SUCCESS)
12916 break;
12917 }
12918 if (isc_ret != CTL_HA_STATUS_WAIT) {
12919 rq->ret = isc_ret;
12920 callback(rq);
12921 }
12922
12923 return (0);
12924}
12925
12926static void
12928{
12929 int retval;
12930 uint32_t i;
12931
12932 /*
12933 * This will send an error to the other controller in the case of a
12934 * failure.
12935 */
12936 retval = ctl_datamove_remote_sgl_setup(io);
12937 if (retval != 0)
12938 return;
12939
12942 if (retval != 0) {
12943 /*
12944 * Make sure we free memory if there was an error.. The
12945 * ctl_datamove_remote_xfer() function will send the
12946 * datamove done message, or call the callback with an
12947 * error if there is a problem.
12948 */
12949 for (i = 0; i < io->scsiio.kern_sg_entries; i++)
12950 free(CTL_LSGLT(io)[i].addr, M_CTL);
12951 free(CTL_RSGL(io), M_CTL);
12952 CTL_RSGL(io) = NULL;
12953 CTL_LSGL(io) = NULL;
12954 }
12955}
12956
12957/*
12958 * Process a datamove request from the other controller. This is used for
12959 * XFER mode only, not SER_ONLY mode. For writes, we DMA into local memory
12960 * first. Once that is complete, the data gets DMAed into the remote
12961 * controller's memory. For reads, we DMA from the remote controller's
12962 * memory into our memory first, and then move it out to the FETD.
12963 */
12964static void
12966{
12967
12968 mtx_assert(&((struct ctl_softc *)CTL_SOFTC(io))->ctl_lock, MA_NOTOWNED);
12969
12970 if (io->io_hdr.flags & CTL_FLAG_FAILOVER) {
12971 ctl_failover_io(io, /*have_lock*/ 0);
12972 return;
12973 }
12974
12975 /*
12976 * Note that we look for an aborted I/O here, but don't do some of
12977 * the other checks that ctl_datamove() normally does.
12978 * We don't need to run the datamove delay code, since that should
12979 * have been done if need be on the other controller.
12980 */
12981 if (io->io_hdr.flags & CTL_FLAG_ABORT) {
12982 printf("%s: tag 0x%04x on (%u:%u:%u) aborted\n", __func__,
12983 io->scsiio.tag_num, io->io_hdr.nexus.initid,
12985 io->io_hdr.nexus.targ_lun);
12986 io->io_hdr.port_status = 31338;
12987 ctl_send_datamove_done(io, /*have_lock*/ 0);
12988 return;
12989 }
12990
12993 else if ((io->io_hdr.flags & CTL_FLAG_DATA_MASK) == CTL_FLAG_DATA_IN)
12995 else {
12996 io->io_hdr.port_status = 31339;
12997 ctl_send_datamove_done(io, /*have_lock*/ 0);
12998 }
12999}
13000
13001static void
13003{
13004 struct ctl_softc *softc = CTL_SOFTC(io);
13005 struct ctl_port *port = CTL_PORT(io);
13006 struct ctl_lun *lun = CTL_LUN(io);
13007 void (*fe_done)(union ctl_io *io);
13008 union ctl_ha_msg msg;
13009
13010 CTL_DEBUG_PRINT(("ctl_process_done\n"));
13011 fe_done = port->fe_done;
13012
13013#ifdef CTL_TIME_IO
13014 if ((time_uptime - io->io_hdr.start_time) > ctl_time_io_secs) {
13015 char str[256];
13016 char path_str[64];
13017 struct sbuf sb;
13018
13019 ctl_scsi_path_string(io, path_str, sizeof(path_str));
13020 sbuf_new(&sb, str, sizeof(str), SBUF_FIXEDLEN);
13021
13022 sbuf_cat(&sb, path_str);
13023 switch (io->io_hdr.io_type) {
13024 case CTL_IO_SCSI:
13025 ctl_scsi_command_string(&io->scsiio, NULL, &sb);
13026 sbuf_printf(&sb, "\n");
13027 sbuf_cat(&sb, path_str);
13028 sbuf_printf(&sb, "Tag: 0x%04x/%d, Prio: %d\n",
13029 io->scsiio.tag_num, io->scsiio.tag_type,
13030 io->scsiio.priority);
13031 break;
13032 case CTL_IO_TASK:
13033 sbuf_printf(&sb, "Task Action: %d Tag: 0x%04x/%d\n",
13034 io->taskio.task_action,
13035 io->taskio.tag_num, io->taskio.tag_type);
13036 break;
13037 default:
13038 panic("%s: Invalid CTL I/O type %d\n",
13039 __func__, io->io_hdr.io_type);
13040 }
13041 sbuf_cat(&sb, path_str);
13042 sbuf_printf(&sb, "ctl_process_done: %jd seconds\n",
13043 (intmax_t)time_uptime - io->io_hdr.start_time);
13044 sbuf_finish(&sb);
13045 printf("%s", sbuf_data(&sb));
13046 }
13047#endif /* CTL_TIME_IO */
13048
13049 switch (io->io_hdr.io_type) {
13050 case CTL_IO_SCSI:
13051 break;
13052 case CTL_IO_TASK:
13054 ctl_io_error_print(io, NULL);
13055 fe_done(io);
13056 return;
13057 default:
13058 panic("%s: Invalid CTL I/O type %d\n",
13059 __func__, io->io_hdr.io_type);
13060 }
13061
13062 if (lun == NULL) {
13063 CTL_DEBUG_PRINT(("NULL LUN for lun %d\n",
13065 goto bailout;
13066 }
13067
13068 mtx_lock(&lun->lun_lock);
13069
13070 /*
13071 * Check to see if we have any informational exception and status
13072 * of this command can be modified to report it in form of either
13073 * RECOVERED ERROR or NO SENSE, depending on MRIE mode page field.
13074 */
13075 if (lun->ie_reported == 0 && lun->ie_asc != 0 &&
13076 io->io_hdr.status == CTL_SUCCESS &&
13077 (io->io_hdr.flags & CTL_FLAG_STATUS_SENT) == 0) {
13078 uint8_t mrie = lun->MODE_IE.mrie;
13079 uint8_t per = ((lun->MODE_RWER.byte3 & SMS_RWER_PER) ||
13080 (lun->MODE_VER.byte3 & SMS_VER_PER));
13081 if (((mrie == SIEP_MRIE_REC_COND && per) ||
13082 mrie == SIEP_MRIE_REC_UNCOND ||
13083 mrie == SIEP_MRIE_NO_SENSE) &&
13084 (ctl_get_cmd_entry(&io->scsiio, NULL)->flags &
13085 CTL_CMD_FLAG_NO_SENSE) == 0) {
13086 ctl_set_sense(&io->scsiio,
13087 /*current_error*/ 1,
13088 /*sense_key*/ (mrie == SIEP_MRIE_NO_SENSE) ?
13090 /*asc*/ lun->ie_asc,
13091 /*ascq*/ lun->ie_ascq,
13093 lun->ie_reported = 1;
13094 }
13095 } else if (lun->ie_reported < 0)
13096 lun->ie_reported = 0;
13097
13098 /*
13099 * Check to see if we have any errors to inject here. We only
13100 * inject errors for commands that don't already have errors set.
13101 */
13102 if (!STAILQ_EMPTY(&lun->error_list) &&
13104 ((io->io_hdr.flags & CTL_FLAG_STATUS_SENT) == 0))
13105 ctl_inject_error(lun, io);
13106
13107 /*
13108 * XXX KDM how do we treat commands that aren't completed
13109 * successfully?
13110 *
13111 * XXX KDM should we also track I/O latency?
13112 */
13113 if ((io->io_hdr.status & CTL_STATUS_MASK) == CTL_SUCCESS &&
13114 io->io_hdr.io_type == CTL_IO_SCSI) {
13115 int type;
13116#ifdef CTL_TIME_IO
13117 struct bintime bt;
13118
13119 getbinuptime(&bt);
13120 bintime_sub(&bt, &io->io_hdr.start_bt);
13121#endif
13122 if ((io->io_hdr.flags & CTL_FLAG_DATA_MASK) ==
13124 type = CTL_STATS_READ;
13125 else if ((io->io_hdr.flags & CTL_FLAG_DATA_MASK) ==
13127 type = CTL_STATS_WRITE;
13128 else
13129 type = CTL_STATS_NO_IO;
13130
13131 lun->stats.bytes[type] += io->scsiio.kern_total_len;
13132 lun->stats.operations[type] ++;
13133 lun->stats.dmas[type] += io->io_hdr.num_dmas;
13134#ifdef CTL_TIME_IO
13135 bintime_add(&lun->stats.dma_time[type], &io->io_hdr.dma_bt);
13136 bintime_add(&lun->stats.time[type], &bt);
13137#endif
13138
13139 mtx_lock(&port->port_lock);
13140 port->stats.bytes[type] += io->scsiio.kern_total_len;
13141 port->stats.operations[type] ++;
13142 port->stats.dmas[type] += io->io_hdr.num_dmas;
13143#ifdef CTL_TIME_IO
13144 bintime_add(&port->stats.dma_time[type], &io->io_hdr.dma_bt);
13145 bintime_add(&port->stats.time[type], &bt);
13146#endif
13147 mtx_unlock(&port->port_lock);
13148 }
13149
13150 /*
13151 * Run through the blocked queue of this I/O and see if anything
13152 * can be unblocked, now that this I/O is done and will be removed.
13153 * We need to do it before removal to have OOA position to start.
13154 */
13155 ctl_try_unblock_others(lun, io, TRUE);
13156
13157 /*
13158 * Remove this from the OOA queue.
13159 */
13160 LIST_REMOVE(&io->io_hdr, ooa_links);
13161#ifdef CTL_TIME_IO
13162 if (LIST_EMPTY(&lun->ooa_queue))
13163 lun->last_busy = getsbinuptime();
13164#endif
13165
13166 /*
13167 * If the LUN has been invalidated, free it if there is nothing
13168 * left on its OOA queue.
13169 */
13170 if ((lun->flags & CTL_LUN_INVALID)
13171 && LIST_EMPTY(&lun->ooa_queue)) {
13172 mtx_unlock(&lun->lun_lock);
13173 ctl_free_lun(lun);
13174 } else
13175 mtx_unlock(&lun->lun_lock);
13176
13177bailout:
13178
13179 /*
13180 * If this command has been aborted, make sure we set the status
13181 * properly. The FETD is responsible for freeing the I/O and doing
13182 * whatever it needs to do to clean up its state.
13183 */
13184 if (io->io_hdr.flags & CTL_FLAG_ABORT)
13186
13187 /*
13188 * If enabled, print command error status.
13189 */
13190 if ((io->io_hdr.status & CTL_STATUS_MASK) != CTL_SUCCESS &&
13191 (ctl_debug & CTL_DEBUG_INFO) != 0)
13192 ctl_io_error_print(io, NULL);
13193
13194 /*
13195 * Tell the FETD or the other shelf controller we're done with this
13196 * command. Note that only SCSI commands get to this point. Task
13197 * management commands are completed above.
13198 */
13199 if ((softc->ha_mode != CTL_HA_MODE_XFER) &&
13201 memset(&msg, 0, sizeof(msg));
13204 msg.hdr.nexus = io->io_hdr.nexus;
13206 sizeof(msg.scsi) - sizeof(msg.scsi.sense_data),
13207 M_WAITOK);
13208 }
13209
13210 fe_done(io);
13211}
13212
13213/*
13214 * Front end should call this if it doesn't do autosense. When the request
13215 * sense comes back in from the initiator, we'll dequeue this and send it.
13216 */
13217int
13219{
13220 struct ctl_softc *softc = CTL_SOFTC(io);
13221 struct ctl_port *port = CTL_PORT(io);
13222 struct ctl_lun *lun;
13223 struct scsi_sense_data *ps;
13224 uint32_t initidx, p, targ_lun;
13225
13226 CTL_DEBUG_PRINT(("ctl_queue_sense\n"));
13227
13228 targ_lun = ctl_lun_map_from_port(port, io->io_hdr.nexus.targ_lun);
13229
13230 /*
13231 * LUN lookup will likely move to the ctl_work_thread() once we
13232 * have our new queueing infrastructure (that doesn't put things on
13233 * a per-LUN queue initially). That is so that we can handle
13234 * things like an INQUIRY to a LUN that we don't have enabled. We
13235 * can't deal with that right now.
13236 * If we don't have a LUN for this, just toss the sense information.
13237 */
13238 mtx_lock(&softc->ctl_lock);
13239 if (targ_lun >= ctl_max_luns ||
13240 (lun = softc->ctl_luns[targ_lun]) == NULL) {
13241 mtx_unlock(&softc->ctl_lock);
13242 goto bailout;
13243 }
13244 mtx_lock(&lun->lun_lock);
13245 mtx_unlock(&softc->ctl_lock);
13246
13247 initidx = ctl_get_initindex(&io->io_hdr.nexus);
13248 p = initidx / CTL_MAX_INIT_PER_PORT;
13249 if (lun->pending_sense[p] == NULL) {
13250 lun->pending_sense[p] = malloc(sizeof(*ps) * CTL_MAX_INIT_PER_PORT,
13251 M_CTL, M_NOWAIT | M_ZERO);
13252 }
13253 if ((ps = lun->pending_sense[p]) != NULL) {
13254 ps += initidx % CTL_MAX_INIT_PER_PORT;
13255 memset(ps, 0, sizeof(*ps));
13256 memcpy(ps, &io->scsiio.sense_data, io->scsiio.sense_len);
13257 }
13258 mtx_unlock(&lun->lun_lock);
13259
13260bailout:
13261 ctl_free_io(io);
13262 return (CTL_RETVAL_COMPLETE);
13263}
13264
13265/*
13266 * Primary command inlet from frontend ports. All SCSI and task I/O
13267 * requests must go through this function.
13268 */
13269int
13271{
13272 struct ctl_port *port = CTL_PORT(io);
13273
13274 CTL_DEBUG_PRINT(("ctl_queue cdb[0]=%02X\n", io->scsiio.cdb[0]));
13275
13276#ifdef CTL_TIME_IO
13277 io->io_hdr.start_time = time_uptime;
13278 getbinuptime(&io->io_hdr.start_bt);
13279#endif /* CTL_TIME_IO */
13280
13281 /* Map FE-specific LUN ID into global one. */
13284
13285 switch (io->io_hdr.io_type) {
13286 case CTL_IO_SCSI:
13287 case CTL_IO_TASK:
13289 ctl_io_print(io);
13291 break;
13292 default:
13293 printf("ctl_queue: unknown I/O type %d\n", io->io_hdr.io_type);
13294 return (EINVAL);
13295 }
13296
13297 return (CTL_RETVAL_COMPLETE);
13298}
13299
13300int
13301ctl_run(union ctl_io *io)
13302{
13303 struct ctl_port *port = CTL_PORT(io);
13304
13305 CTL_DEBUG_PRINT(("ctl_run cdb[0]=%02X\n", io->scsiio.cdb[0]));
13306
13307#ifdef CTL_TIME_IO
13308 io->io_hdr.start_time = time_uptime;
13309 getbinuptime(&io->io_hdr.start_bt);
13310#endif /* CTL_TIME_IO */
13311
13312 /* Map FE-specific LUN ID into global one. */
13315
13316 switch (io->io_hdr.io_type) {
13317 case CTL_IO_SCSI:
13319 ctl_io_print(io);
13321 break;
13322 case CTL_IO_TASK:
13324 ctl_io_print(io);
13325 ctl_run_task(io);
13326 break;
13327 default:
13328 printf("ctl_run: unknown I/O type %d\n", io->io_hdr.io_type);
13329 return (EINVAL);
13330 }
13331
13332 return (CTL_RETVAL_COMPLETE);
13333}
13334
13335#ifdef CTL_IO_DELAY
13336static void
13337ctl_done_timer_wakeup(void *arg)
13338{
13339 union ctl_io *io;
13340
13341 io = (union ctl_io *)arg;
13342 ctl_done(io);
13343}
13344#endif /* CTL_IO_DELAY */
13345
13346void
13348{
13349 struct ctl_lun *lun = CTL_LUN(io);
13350
13351 /* This is racy, but should not be a problem. */
13352 if (!TAILQ_EMPTY(&io->io_hdr.blocked_queue)) {
13353 mtx_lock(&lun->lun_lock);
13355 ctl_try_unblock_others(lun, io, FALSE);
13356 mtx_unlock(&lun->lun_lock);
13357 } else
13359}
13360
13361void
13363{
13364
13365 /*
13366 * Enable this to catch duplicate completion issues.
13367 */
13368#if 0
13369 if (io->io_hdr.flags & CTL_FLAG_ALREADY_DONE) {
13370 printf("%s: type %d msg %d cdb %x iptl: "
13371 "%u:%u:%u tag 0x%04x "
13372 "flag %#x status %x\n",
13373 __func__,
13374 io->io_hdr.io_type,
13375 io->io_hdr.msg_type,
13376 io->scsiio.cdb[0],
13377 io->io_hdr.nexus.initid,
13379 io->io_hdr.nexus.targ_lun,
13380 (io->io_hdr.io_type ==
13381 CTL_IO_TASK) ?
13382 io->taskio.tag_num :
13383 io->scsiio.tag_num,
13384 io->io_hdr.flags,
13385 io->io_hdr.status);
13386 } else
13387 io->io_hdr.flags |= CTL_FLAG_ALREADY_DONE;
13388#endif
13389
13390 /*
13391 * This is an internal copy of an I/O, and should not go through
13392 * the normal done processing logic.
13393 */
13394 if (io->io_hdr.flags & CTL_FLAG_INT_COPY)
13395 return;
13396
13397#ifdef CTL_IO_DELAY
13398 if (io->io_hdr.flags & CTL_FLAG_DELAY_DONE) {
13399 io->io_hdr.flags &= ~CTL_FLAG_DELAY_DONE;
13400 } else {
13401 struct ctl_lun *lun = CTL_LUN(io);
13402
13403 if ((lun != NULL)
13404 && (lun->delay_info.done_delay > 0)) {
13405 callout_init(&io->io_hdr.delay_callout, /*mpsafe*/ 1);
13407 callout_reset(&io->io_hdr.delay_callout,
13408 lun->delay_info.done_delay * hz,
13409 ctl_done_timer_wakeup, io);
13410 if (lun->delay_info.done_type == CTL_DELAY_TYPE_ONESHOT)
13411 lun->delay_info.done_delay = 0;
13412 return;
13413 }
13414 }
13415#endif /* CTL_IO_DELAY */
13416
13417 ctl_enqueue_done(io);
13418}
13419
13420static void
13422{
13423 struct ctl_thread *thr = (struct ctl_thread *)arg;
13424 struct ctl_softc *softc = thr->ctl_softc;
13425 union ctl_io *io;
13426 int retval;
13427
13428 CTL_DEBUG_PRINT(("ctl_work_thread starting\n"));
13429 thread_lock(curthread);
13430 sched_prio(curthread, PUSER - 1);
13431 thread_unlock(curthread);
13432
13433 while (!softc->shutdown) {
13434 /*
13435 * We handle the queues in this order:
13436 * - ISC
13437 * - done queue (to free up resources, unblock other commands)
13438 * - incoming queue
13439 * - RtR queue
13440 *
13441 * If those queues are empty, we break out of the loop and
13442 * go to sleep.
13443 */
13444 mtx_lock(&thr->queue_lock);
13445 io = (union ctl_io *)STAILQ_FIRST(&thr->isc_queue);
13446 if (io != NULL) {
13447 STAILQ_REMOVE_HEAD(&thr->isc_queue, links);
13448 mtx_unlock(&thr->queue_lock);
13449 ctl_handle_isc(io);
13450 continue;
13451 }
13452 io = (union ctl_io *)STAILQ_FIRST(&thr->done_queue);
13453 if (io != NULL) {
13454 STAILQ_REMOVE_HEAD(&thr->done_queue, links);
13455 /* clear any blocked commands, call fe_done */
13456 mtx_unlock(&thr->queue_lock);
13457 ctl_process_done(io);
13458 continue;
13459 }
13460 io = (union ctl_io *)STAILQ_FIRST(&thr->incoming_queue);
13461 if (io != NULL) {
13462 STAILQ_REMOVE_HEAD(&thr->incoming_queue, links);
13463 mtx_unlock(&thr->queue_lock);
13464 if (io->io_hdr.io_type == CTL_IO_TASK)
13465 ctl_run_task(io);
13466 else
13468 continue;
13469 }
13470 io = (union ctl_io *)STAILQ_FIRST(&thr->rtr_queue);
13471 if (io != NULL) {
13472 STAILQ_REMOVE_HEAD(&thr->rtr_queue, links);
13473 mtx_unlock(&thr->queue_lock);
13474 retval = ctl_scsiio(&io->scsiio);
13475 if (retval != CTL_RETVAL_COMPLETE)
13476 CTL_DEBUG_PRINT(("ctl_scsiio failed\n"));
13477 continue;
13478 }
13479
13480 /* Sleep until we have something to do. */
13481 mtx_sleep(thr, &thr->queue_lock, PDROP, "-", 0);
13482 }
13483 thr->thread = NULL;
13484 kthread_exit();
13485}
13486
13487static void
13489{
13490 struct ctl_softc *softc = (struct ctl_softc *)arg;
13491 struct ctl_lun *lun;
13493 const char *attr;
13494 union ctl_ha_msg msg;
13495 uint64_t thres, val;
13496 int i, e, set;
13497
13498 CTL_DEBUG_PRINT(("ctl_thresh_thread starting\n"));
13499 thread_lock(curthread);
13500 sched_prio(curthread, PUSER - 1);
13501 thread_unlock(curthread);
13502
13503 while (!softc->shutdown) {
13504 mtx_lock(&softc->ctl_lock);
13505 STAILQ_FOREACH(lun, &softc->lun_list, links) {
13506 if ((lun->flags & CTL_LUN_DISABLED) ||
13507 (lun->flags & CTL_LUN_NO_MEDIA) ||
13508 lun->backend->lun_attr == NULL)
13509 continue;
13510 if ((lun->flags & CTL_LUN_PRIMARY_SC) == 0 &&
13511 softc->ha_mode == CTL_HA_MODE_XFER)
13512 continue;
13513 if ((lun->MODE_RWER.byte8 & SMS_RWER_LBPERE) == 0)
13514 continue;
13515 e = 0;
13516 page = &lun->MODE_LBP;
13517 for (i = 0; i < CTL_NUM_LBP_THRESH; i++) {
13518 if ((page->descr[i].flags & SLBPPD_ENABLED) == 0)
13519 continue;
13520 thres = scsi_4btoul(page->descr[i].count);
13521 thres <<= CTL_LBP_EXPONENT;
13522 switch (page->descr[i].resource) {
13523 case 0x01:
13524 attr = "blocksavail";
13525 break;
13526 case 0x02:
13527 attr = "blocksused";
13528 break;
13529 case 0xf1:
13530 attr = "poolblocksavail";
13531 break;
13532 case 0xf2:
13533 attr = "poolblocksused";
13534 break;
13535 default:
13536 continue;
13537 }
13538 mtx_unlock(&softc->ctl_lock); // XXX
13539 val = lun->backend->lun_attr(lun->be_lun, attr);
13540 mtx_lock(&softc->ctl_lock);
13541 if (val == UINT64_MAX)
13542 continue;
13543 if ((page->descr[i].flags & SLBPPD_ARMING_MASK)
13545 e = (val >= thres);
13546 else
13547 e = (val <= thres);
13548 if (e)
13549 break;
13550 }
13551 mtx_lock(&lun->lun_lock);
13552 if (e) {
13553 scsi_u64to8b((uint8_t *)&page->descr[i] -
13554 (uint8_t *)page, lun->ua_tpt_info);
13555 if (lun->lasttpt == 0 ||
13556 time_uptime - lun->lasttpt >= CTL_LBP_UA_PERIOD) {
13557 lun->lasttpt = time_uptime;
13559 set = 1;
13560 } else
13561 set = 0;
13562 } else {
13563 lun->lasttpt = 0;
13565 set = -1;
13566 }
13567 mtx_unlock(&lun->lun_lock);
13568 if (set != 0 &&
13569 lun->ctl_softc->ha_mode == CTL_HA_MODE_XFER) {
13570 /* Send msg to other side. */
13571 bzero(&msg.ua, sizeof(msg.ua));
13572 msg.hdr.msg_type = CTL_MSG_UA;
13573 msg.hdr.nexus.initid = -1;
13574 msg.hdr.nexus.targ_port = -1;
13575 msg.hdr.nexus.targ_lun = lun->lun;
13576 msg.hdr.nexus.targ_mapped_lun = lun->lun;
13577 msg.ua.ua_all = 1;
13578 msg.ua.ua_set = (set > 0);
13580 memcpy(msg.ua.ua_info, lun->ua_tpt_info, 8);
13581 mtx_unlock(&softc->ctl_lock); // XXX
13583 sizeof(msg.ua), M_WAITOK);
13584 mtx_lock(&softc->ctl_lock);
13585 }
13586 }
13587 mtx_sleep(&softc->thresh_thread, &softc->ctl_lock,
13588 PDROP, "-", CTL_LBP_PERIOD * hz);
13589 }
13590 softc->thresh_thread = NULL;
13591 kthread_exit();
13592}
13593
13594static void
13596{
13597 struct ctl_softc *softc = CTL_SOFTC(io);
13598 struct ctl_thread *thr;
13599 u_int idx;
13600
13601 idx = (io->io_hdr.nexus.targ_port * 127 +
13603 thr = &softc->threads[idx];
13604 mtx_lock(&thr->queue_lock);
13605 STAILQ_INSERT_TAIL(&thr->incoming_queue, &io->io_hdr, links);
13606 mtx_unlock(&thr->queue_lock);
13607 wakeup(thr);
13608}
13609
13610static void
13612{
13613 struct ctl_softc *softc = CTL_SOFTC(io);
13614 struct ctl_thread *thr;
13615
13616 thr = &softc->threads[io->io_hdr.nexus.targ_mapped_lun % worker_threads];
13617 mtx_lock(&thr->queue_lock);
13618 STAILQ_INSERT_TAIL(&thr->rtr_queue, &io->io_hdr, links);
13619 mtx_unlock(&thr->queue_lock);
13620 wakeup(thr);
13621}
13622
13623static void
13625{
13626 struct ctl_softc *softc = CTL_SOFTC(io);
13627 struct ctl_thread *thr;
13628
13629 thr = &softc->threads[io->io_hdr.nexus.targ_mapped_lun % worker_threads];
13630 mtx_lock(&thr->queue_lock);
13631 STAILQ_INSERT_TAIL(&thr->done_queue, &io->io_hdr, links);
13632 mtx_unlock(&thr->queue_lock);
13633 wakeup(thr);
13634}
13635
13636static void
13638{
13639 struct ctl_softc *softc = CTL_SOFTC(io);
13640 struct ctl_thread *thr;
13641
13642 thr = &softc->threads[io->io_hdr.nexus.targ_mapped_lun % worker_threads];
13643 mtx_lock(&thr->queue_lock);
13644 STAILQ_INSERT_TAIL(&thr->isc_queue, &io->io_hdr, links);
13645 mtx_unlock(&thr->queue_lock);
13646 wakeup(thr);
13647}
13648
13649/*
13650 * vim: ts=8
13651 */
static void ctl_enqueue_incoming(union ctl_io *io)
Definition: ctl.c:13595
void ctl_est_ua(struct ctl_lun *lun, uint32_t initidx, ctl_ua_type ua)
Definition: ctl.c:1807
static void ctl_abort_tasks_lun(struct ctl_lun *lun, uint32_t targ_port, uint32_t init_id, int other_sc)
Definition: ctl.c:11939
static const struct scsi_caching_page caching_page_default
Definition: ctl.c:214
static int ctl_inquiry_evpd_eid(struct ctl_scsiio *ctsio, int alloc_len)
Definition: ctl.c:9560
static int ctl_scsiio(struct ctl_scsiio *ctsio)
Definition: ctl.c:11779
static int hex2bin(const char *str, uint8_t *buf, int buf_size)
Definition: ctl.c:4534
int ctl_add_lun(struct ctl_be_lun *be_lun)
Definition: ctl.c:4571
static ctl_action ctl_seq_check(union ctl_io *io1, union ctl_io *io2)
Definition: ctl.c:10974
int ctl_lun_map_set(struct ctl_port *port, uint32_t plun, uint32_t glun)
Definition: ctl.c:3680
#define CTL_CEM_LEN
Definition: ctl.c:270
#define SCSI_EVPD_NUM_SUPPORTED_PAGES
Definition: ctl.c:456
static int ctl_datamove_remote_sgl_setup(union ctl_io *io)
Definition: ctl.c:12772
void ctl_est_ua_port(struct ctl_lun *lun, int port, uint32_t except, ctl_ua_type ua)
Definition: ctl.c:1822
static const struct scsi_info_exceptions_page ie_page_default
Definition: ctl.c:290
uint32_t ctl_lun_map_to_port(struct ctl_port *port, uint32_t lun_id)
Definition: ctl.c:3733
int ctl_start_lun(struct ctl_be_lun *be_lun)
Definition: ctl.c:4943
int ctl_get_lba_status(struct ctl_scsiio *ctsio)
Definition: ctl.c:7087
uint32_t ctl_decode_lun(uint64_t encoded)
Definition: ctl.c:3749
static int ctl_max_luns
Definition: ctl.c:430
#define CTL_MAX_INITIATORS
Definition: ctl.c:447
static void ctl_ie_timer(void *arg)
Definition: ctl.c:5963
int ctl_report_tagret_port_groups(struct ctl_scsiio *ctsio)
Definition: ctl.c:7274
int ctl_config_move_done(union ctl_io *io, bool samethr)
Definition: ctl.c:5102
static void ctl_datamove_remote(union ctl_io *io)
Definition: ctl.c:12965
int ctl_prevent_allow(struct ctl_scsiio *ctsio)
Definition: ctl.c:5379
static int ctl_inquiry_evpd_sfs(struct ctl_scsiio *ctsio, int alloc_len)
Definition: ctl.c:9871
void ctl_free_io(union ctl_io *io)
Definition: ctl.c:3991
int ctl_request_sense(struct ctl_scsiio *ctsio)
Definition: ctl.c:9300
int ctl_ie_page_handler(struct ctl_scsiio *ctsio, struct ctl_page_index *page_index, uint8_t *page_ptr)
Definition: ctl.c:5987
static const struct scsi_cddvd_capabilities_page cddvd_page_default
Definition: ctl.c:363
void ctl_serseq_done(union ctl_io *io)
Definition: ctl.c:13347
struct ctl_softc * control_softc
Definition: ctl.c:92
static int ctl_extent_check_unmap(union ctl_io *io, uint64_t lba2, uint64_t len2)
Definition: ctl.c:10918
static int ctl_debug
Definition: ctl.c:414
static ctl_action ctl_check_for_blockage(struct ctl_lun *lun, union ctl_io *pending_io, const uint8_t *serialize_row, union ctl_io *ooa_io)
Definition: ctl.c:10993
static int ctl_module_event_handler(module_t, int, void *)
Definition: ctl.c:2111
static void ctl_do_lun_reset(struct ctl_lun *lun, uint32_t initidx, ctl_ua_type ua_type)
Definition: ctl.c:11869
static void ctl_alloc_prkey(struct ctl_lun *lun, uint32_t residx)
Definition: ctl.c:3890
static int ctl_abort_task_set(union ctl_io *io)
Definition: ctl.c:11982
int ctl_report_supported_opcodes(struct ctl_scsiio *ctsio)
Definition: ctl.c:7443
static int ctl_query_async_event(union ctl_io *io)
Definition: ctl.c:12196
static const struct scsi_control_ext_page control_ext_page_changeable
Definition: ctl.c:281
union ctl_io * ctl_alloc_io_nowait(void *pool_ref)
Definition: ctl.c:3976
#define CTL_LBPM_LEN
Definition: ctl.c:309
int ctl_write_same(struct ctl_scsiio *ctsio)
Definition: ctl.c:5712
static ctl_action ctl_extent_check_lba(uint64_t lba1, uint64_t len1, uint64_t lba2, uint64_t len2, bool seq)
Definition: ctl.c:10903
static void ctl_run_task(union ctl_io *io)
Definition: ctl.c:12224
int ctl_remove_initiator(struct ctl_port *port, int iid)
Definition: ctl.c:2145
static int ctl_init_page_index(struct ctl_lun *lun)
Definition: ctl.c:4070
static void ctl_datamove_remote_write_cb(struct ctl_ha_dt_req *rq)
Definition: ctl.c:12645
int ctl_report_ident_info(struct ctl_scsiio *ctsio)
Definition: ctl.c:7192
int ctl_lun_no_media(struct ctl_be_lun *be_lun)
Definition: ctl.c:4965
static int ctl_ha_init(void)
Definition: ctl.c:608
void ctl_clr_ua(struct ctl_lun *lun, uint32_t initidx, ctl_ua_type ua)
Definition: ctl.c:1848
int ctl_lbp_log_sense_handler(struct ctl_scsiio *ctsio, struct ctl_page_index *page_index, int pc)
Definition: ctl.c:6764
static const struct scsi_control_page control_page_default
Definition: ctl.c:246
static ctl_lun_error_pattern ctl_cmd_pattern_match(struct ctl_scsiio *ctsio, struct ctl_error_desc *desc)
Definition: ctl.c:12359
int ctl_lun_map_init(struct ctl_port *port)
Definition: ctl.c:3630
static const struct ctl_cmd_entry * ctl_get_cmd_entry(struct ctl_scsiio *ctsio, int *sa)
Definition: ctl.c:11698
void ctl_datamove(union ctl_io *io)
Definition: ctl.c:12538
static int ctl_get_lba_len(union ctl_io *io, uint64_t *lba, uint64_t *len)
Definition: ctl.c:10741
static int ctl_write_same_cont(union ctl_io *io)
Definition: ctl.c:5689
static int ctl_ha_shutdown(void)
Definition: ctl.c:629
static const struct ctl_logical_block_provisioning_page lbp_page_default
Definition: ctl.c:311
MODULE_VERSION(ctl, 1)
int ctl_lun_map_deinit(struct ctl_port *port)
Definition: ctl.c:3659
static void ctl_try_unblock_io(struct ctl_lun *lun, union ctl_io *io, bool skip)
Definition: ctl.c:11153
static int ctl_do_mode_select(union ctl_io *io)
Definition: ctl.c:6030
void ctl_isc_announce_mode(struct ctl_lun *lun, uint32_t initidx, uint8_t page, uint8_t subpage)
Definition: ctl.c:993
int ctl_ffz(uint32_t *mask, uint32_t first, uint32_t last)
Definition: ctl.c:3810
static int ctl_target_reset(union ctl_io *io)
Definition: ctl.c:11810
int ctl_ie_log_sense_handler(struct ctl_scsiio *ctsio, struct ctl_page_index *page_index, int pc)
Definition: ctl.c:6881
int ctl_expand_number(const char *buf, uint64_t *num)
Definition: ctl.c:4021
int ctl_start_stop(struct ctl_scsiio *ctsio)
Definition: ctl.c:5326
int ctl_cnw(struct ctl_scsiio *ctsio)
Definition: ctl.c:8968
int ctl_persistent_reserve_out(struct ctl_scsiio *ctsio)
Definition: ctl.c:8254
int ctl_persistent_reserve_in(struct ctl_scsiio *ctsio)
Definition: ctl.c:7690
int ctl_set_mask(uint32_t *mask, uint32_t bit)
Definition: ctl.c:3822
static const struct scsi_cddvd_capabilities_page cddvd_page_changeable
Definition: ctl.c:386
static void ctl_enqueue_rtr(union ctl_io *io)
Definition: ctl.c:13611
static void ctl_inject_error(struct ctl_lun *lun, union ctl_io *io)
Definition: ctl.c:12421
void ctl_clr_ua_all(struct ctl_lun *lun, uint32_t except, ctl_ua_type ua)
Definition: ctl.c:1863
static int ctl_datamove_remote_dm_read_cb(union ctl_io *io, bool samethr)
Definition: ctl.c:12719
int ctl_lun_ejected(struct ctl_be_lun *be_lun)
Definition: ctl.c:5004
int ctl_scsi_release(struct ctl_scsiio *ctsio)
Definition: ctl.c:5249
static void ctl_send_datamove_done(union ctl_io *io, int have_lock)
Definition: ctl.c:12602
int ctl_read_write(struct ctl_scsiio *ctsio)
Definition: ctl.c:8756
#define CTL_DEFAULT_MAX_PORTS
Definition: ctl.c:438
static void ctl_handle_isc(union ctl_io *io)
Definition: ctl.c:12283
int ctl_read_buffer(struct ctl_scsiio *ctsio)
Definition: ctl.c:5564
static int ctl_inquiry_evpd_block_limits(struct ctl_scsiio *ctsio, int alloc_len)
Definition: ctl.c:9923
int ctl_add_initiator(struct ctl_port *port, int iid, uint64_t wwpn, char *name)
Definition: ctl.c:2174
static const struct scsi_da_rw_recovery_page rw_er_page_default
Definition: ctl.c:102
SYSCTL_INT(_kern_cam_ctl, OID_AUTO, worker_threads, CTLFLAG_RDTUN, &worker_threads, 1, "Number of worker threads")
static void ctl_enqueue_done(union ctl_io *io)
Definition: ctl.c:13624
void ctl_isc_announce_lun(struct ctl_lun *lun)
Definition: ctl.c:831
static void ctl_process_done(union ctl_io *io)
Definition: ctl.c:13002
void ctl_datamove_done(union ctl_io *io, bool samethr)
Definition: ctl.c:12530
static void ctl_i_t_nexus_loss(struct ctl_softc *softc, uint32_t initidx, ctl_ua_type ua_type)
Definition: ctl.c:12016
static void ctl_isc_login(struct ctl_softc *softc, union ctl_ha_msg *msg, int len)
Definition: ctl.c:1395
int ctl_write_buffer(struct ctl_scsiio *ctsio)
Definition: ctl.c:5638
int ctl_remove_lun(struct ctl_be_lun *be_lun)
Definition: ctl.c:5047
static const struct ctl_cmd_entry * ctl_validate_command(struct ctl_scsiio *ctsio)
Definition: ctl.c:11715
int ctl_lun_has_media(struct ctl_be_lun *be_lun)
Definition: ctl.c:4976
uint32_t ctl_get_initindex(struct ctl_nexus *nexus)
Definition: ctl.c:3624
SYSCTL_NODE(_kern_cam, OID_AUTO, ctl, CTLFLAG_RD|CTLFLAG_MPSAFE, 0, "CAM Target Layer")
static void ctl_isc_port_sync(struct ctl_softc *softc, union ctl_ha_msg *msg, int len)
Definition: ctl.c:1225
int ctl_sap_log_sense_handler(struct ctl_scsiio *ctsio, struct ctl_page_index *page_index, int pc)
Definition: ctl.c:6832
static int ctl_cmd_applicable(uint8_t lun_type, const struct ctl_cmd_entry *entry)
Definition: ctl.c:11756
int ctl_mechanism_status(struct ctl_scsiio *ctsio)
Definition: ctl.c:10631
static void ctl_isc_iid_sync(struct ctl_softc *softc, union ctl_ha_msg *msg, int len)
Definition: ctl.c:1355
void ctl_config_write_done(union ctl_io *io)
Definition: ctl.c:5178
static void ctl_ha_datamove(union ctl_io *io)
Definition: ctl.c:649
static const struct scsi_control_ext_page control_ext_page_default
Definition: ctl.c:272
static void ctl_enqueue_isc(union ctl_io *io)
Definition: ctl.c:13637
static void ctl_isc_ha_link_up(struct ctl_softc *softc)
Definition: ctl.c:1031
static const struct scsi_rigid_disk_page rigid_disk_page_changeable
Definition: ctl.c:180
int ctl_read_defect(struct ctl_scsiio *ctsio)
Definition: ctl.c:7137
static void ctl_datamove_remote_read(union ctl_io *io)
Definition: ctl.c:12927
static void ctl_copy_sense_data(union ctl_ha_msg *src, union ctl_io *dest)
Definition: ctl.c:1785
int ctl_read_toc(struct ctl_scsiio *ctsio)
Definition: ctl.c:10673
MALLOC_DEFINE(M_CTL, "ctlmem", "Memory used for CTL")
static void ctl_isc_ha_link_down(struct ctl_softc *softc)
Definition: ctl.c:1061
static ctl_action ctl_check_ooa(struct ctl_lun *lun, union ctl_io *pending_io, union ctl_io **starting_io)
Definition: ctl.c:11097
void ctl_est_ua_all(struct ctl_lun *lun, uint32_t except, ctl_ua_type ua)
Definition: ctl.c:1837
static int ctl_ha_role_sysctl(SYSCTL_HANDLER_ARGS)
Definition: ctl.c:1895
int ctl_log_sense(struct ctl_scsiio *ctsio)
Definition: ctl.c:6906
static ctl_action ctl_extent_check(union ctl_io *io1, union ctl_io *io2, bool seq)
Definition: ctl.c:10952
int ctl_format(struct ctl_scsiio *ctsio)
Definition: ctl.c:5482
static int ctl_inquiry_evpd_mpp(struct ctl_scsiio *ctsio, int alloc_len)
Definition: ctl.c:9624
static void ctl_isc_handler_finish_xfer(struct ctl_softc *ctl_softc, union ctl_ha_msg *msg_info)
Definition: ctl.c:791
static int ctl_datamove_remote_dm_write_cb(union ctl_io *io, bool samethr)
Definition: ctl.c:12680
static const struct scsi_caching_page caching_page_changeable
Definition: ctl.c:230
static void ctl_hndl_per_res_out_on_other_sc(union ctl_io *io)
Definition: ctl.c:8635
__FBSDID("$FreeBSD$")
static int ctl_scsiio_lun_check(struct ctl_lun *lun, const struct ctl_cmd_entry *entry, struct ctl_scsiio *ctsio)
Definition: ctl.c:11286
int ctl_lun_primary(struct ctl_be_lun *be_lun)
Definition: ctl.c:5015
static int ctl_pro_preempt(struct ctl_softc *softc, struct ctl_lun *lun, uint64_t res_key, uint64_t sa_res_key, uint8_t type, uint32_t residx, struct ctl_scsiio *ctsio, struct scsi_per_res_out *cdb, struct scsi_per_res_out_parms *param)
Definition: ctl.c:7930
int ctl_lun_map_unset(struct ctl_port *port, uint32_t plun)
Definition: ctl.c:3703
int ctl_get_config(struct ctl_scsiio *ctsio)
Definition: ctl.c:10389
static void ctl_scsiio_precheck(struct ctl_scsiio *ctsio)
Definition: ctl.c:11488
static void ctl_ultomsf(uint32_t lba, uint8_t *buf)
Definition: ctl.c:10662
static const struct scsi_da_verify_recovery_page verify_er_page_default
Definition: ctl.c:196
static int ctl_disable_lun(struct ctl_lun *lun)
Definition: ctl.c:4898
int ctl_queue_sense(union ctl_io *io)
Definition: ctl.c:13218
int ctl_report_luns(struct ctl_scsiio *ctsio)
Definition: ctl.c:9156
static const struct scsi_info_exceptions_page ie_page_changeable
Definition: ctl.c:299
int ctl_clear_mask(uint32_t *mask, uint32_t bit)
Definition: ctl.c:3838
int ctl_read_capacity_16(struct ctl_scsiio *ctsio)
Definition: ctl.c:7037
static struct cdevsw ctl_cdevsw
Definition: ctl.c:578
static const struct ctl_logical_block_provisioning_page lbp_page_changeable
Definition: ctl.c:337
static int ctl_inquiry_evpd(struct ctl_scsiio *ctsio)
Definition: ctl.c:10099
static const struct scsi_format_page format_page_changeable
Definition: ctl.c:147
int ctl_queue(union ctl_io *io)
Definition: ctl.c:13270
static int ctl_query_task(union ctl_io *io, int task_set)
Definition: ctl.c:12157
int ctl_read_capacity(struct ctl_scsiio *ctsio)
Definition: ctl.c:6983
int ctl_tur(struct ctl_scsiio *ctsio)
Definition: ctl.c:9432
int ctl_report_timestamp(struct ctl_scsiio *ctsio)
Definition: ctl.c:7650
static int ctl_shutdown(void)
Definition: ctl.c:2067
static int ctl_open(struct cdev *dev, int flags, int fmt, struct thread *td)
Definition: ctl.c:2129
int ctl_mode_sense(struct ctl_scsiio *ctsio)
Definition: ctl.c:6395
int ctl_report_supported_tmf(struct ctl_scsiio *ctsio)
Definition: ctl.c:7611
static void ctl_isc_lun_sync(struct ctl_softc *softc, union ctl_ha_msg *msg, int len)
Definition: ctl.c:1139
int ctl_unmap(struct ctl_scsiio *ctsio)
Definition: ctl.c:5832
static int ctl_close(struct cdev *dev, int flags, int fmt, struct thread *td)
Definition: ctl.c:2135
static void ctl_ha_done(union ctl_io *io)
Definition: ctl.c:767
static int ctl_cnw_cont(union ctl_io *io)
Definition: ctl.c:8947
void ctl_pool_free(struct ctl_io_pool *pool)
Definition: ctl.c:3948
int ctl_mode_select(struct ctl_scsiio *ctsio)
Definition: ctl.c:6251
int ctl_stop_lun(struct ctl_be_lun *be_lun)
Definition: ctl.c:4954
static void ctl_failover_io(union ctl_io *io, int have_lock)
Definition: ctl.c:11399
uint32_t ctl_lun_map_from_port(struct ctl_port *port, uint32_t lun_id)
Definition: ctl.c:3720
static void ctl_work_thread(void *arg)
Definition: ctl.c:13421
static const struct scsi_control_page control_page_changeable
Definition: ctl.c:258
static void ctl_isc_mode_sync(struct ctl_softc *softc, union ctl_ha_msg *msg, int len)
Definition: ctl.c:1432
int ctl_lun_secondary(struct ctl_be_lun *be_lun)
Definition: ctl.c:5028
void ctl_lun_capacity_changed(struct ctl_be_lun *be_lun)
Definition: ctl.c:5073
int ctl_default_page_handler(struct ctl_scsiio *ctsio, struct ctl_page_index *page_index, uint8_t *page_ptr)
Definition: ctl.c:5932
static int ctl_inquiry_evpd_supported(struct ctl_scsiio *ctsio, int alloc_len)
Definition: ctl.c:9447
static int ctl_inquiry_evpd_serial(struct ctl_scsiio *ctsio, int alloc_len)
Definition: ctl.c:9512
static const struct scsi_da_rw_recovery_page rw_er_page_changeable
Definition: ctl.c:116
void ctl_isc_announce_port(struct ctl_port *port)
Definition: ctl.c:896
static int ctl_inquiry_evpd_devid(struct ctl_scsiio *ctsio, int alloc_len)
Definition: ctl.c:9666
static void ctl_try_unblock_others(struct ctl_lun *lun, union ctl_io *io, bool skip)
Definition: ctl.c:11255
static void ctl_failover_lun(union ctl_io *io)
Definition: ctl.c:11406
static int ctl_inquiry_evpd_bdc(struct ctl_scsiio *ctsio, int alloc_len)
Definition: ctl.c:9999
static int ctl_enable_lun(struct ctl_lun *lun)
Definition: ctl.c:4855
static void ctl_datamove_done_process(union ctl_io *io)
Definition: ctl.c:12499
static void ctl_set_prkey(struct ctl_lun *lun, uint32_t residx, uint64_t key)
Definition: ctl.c:3909
static int ctl_lun_reset(union ctl_io *io)
Definition: ctl.c:11905
uint64_t ctl_encode_lun(uint32_t decoded)
Definition: ctl.c:3795
static void ctl_datamove_remote_read_cb(struct ctl_ha_dt_req *rq)
Definition: ctl.c:12739
TUNABLE_INT("kern.cam.ctl.max_luns", &ctl_max_luns)
static int ctl_create_iid(struct ctl_port *port, int iid, uint8_t *buf)
Definition: ctl.c:2281
static int ctl_inquiry_std(struct ctl_scsiio *ctsio)
Definition: ctl.c:10168
static void ctl_serialize_other_sc_cmd(struct ctl_scsiio *ctsio)
Definition: ctl.c:2344
static int ctl_inquiry_evpd_scsi_ports(struct ctl_scsiio *ctsio, int alloc_len)
Definition: ctl.c:9779
static int worker_threads
Definition: ctl.c:411
static int ctl_init(void)
Definition: ctl.c:1930
int ctl_get_event_status(struct ctl_scsiio *ctsio)
Definition: ctl.c:10596
static int ctl_init_log_page_index(struct ctl_lun *lun)
Definition: ctl.c:4483
static moduledata_t ctl_moduledata
Definition: ctl.c:591
static const struct scsi_da_verify_recovery_page verify_er_page_changeable
Definition: ctl.c:205
static void ctl_pro_preempt_other(struct ctl_lun *lun, union ctl_ha_msg *msg)
Definition: ctl.c:8187
#define CTL_DEFAULT_MAX_LUNS
Definition: ctl.c:429
static const struct scsi_rigid_disk_page rigid_disk_page_default
Definition: ctl.c:163
static int ctl_max_ports
Definition: ctl.c:439
static void ctl_datamove_remote_write(union ctl_io *io)
Definition: ctl.c:12690
static void ctl_copy_sense_data_back(union ctl_io *src, union ctl_ha_msg *dest)
Definition: ctl.c:1796
int ctl_run(union ctl_io *io)
Definition: ctl.c:13301
static void ctl_isc_event_handler(ctl_ha_channel chanel, ctl_ha_event event, int param)
Definition: ctl.c:1488
static int ctl_free_lun(struct ctl_lun *lun)
Definition: ctl.c:4810
static const struct scsi_format_page format_page_default
Definition: ctl.c:130
int ctl_pool_create(struct ctl_softc *ctl_softc, const char *pool_name, uint32_t total_ctl_io, void **npool)
Definition: ctl.c:3923
int ctl_sbuf_printf_esc(struct sbuf *sb, char *str, int size)
Definition: ctl.c:2528
void ctl_clr_ua_allluns(struct ctl_softc *ctl_softc, uint32_t initidx, ctl_ua_type ua_type)
Definition: ctl.c:1881
int ctl_sync_cache(struct ctl_scsiio *ctsio)
Definition: ctl.c:5419
int ctl_temp_log_sense_handler(struct ctl_scsiio *ctsio, struct ctl_page_index *page_index, int pc)
Definition: ctl.c:6730
static int ctl_i_t_nexus_reset(union ctl_io *io)
Definition: ctl.c:12052
static int ctl_abort_task(union ctl_io *io)
Definition: ctl.c:12076
static void ctl_ioctl_fill_ooa(struct ctl_lun *lun, uint32_t *cur_fill_num, struct ctl_ooa *ooa_hdr, struct ctl_ooa_entry *kern_entries)
Definition: ctl.c:2464
static int ctl_datamove_remote_xfer(union ctl_io *io, unsigned command, ctl_ha_dt_cb callback)
Definition: ctl.c:12806
void ctl_config_read_done(union ctl_io *io)
Definition: ctl.c:5212
static void ctl_thresh_thread(void *arg)
Definition: ctl.c:13488
static int ctl_inquiry_evpd_lbp(struct ctl_scsiio *ctsio, int alloc_len)
Definition: ctl.c:10047
int ctl_verify(struct ctl_scsiio *ctsio)
Definition: ctl.c:9054
void ctl_zero_io(union ctl_io *io)
Definition: ctl.c:4003
union ctl_io * ctl_alloc_io(void *pool_ref)
Definition: ctl.c:3961
static void ctl_clr_prkey(struct ctl_lun *lun, uint32_t residx)
Definition: ctl.c:3879
void ctl_done(union ctl_io *io)
Definition: ctl.c:13362
void ctl_isc_announce_iid(struct ctl_port *port, int iid)
Definition: ctl.c:957
DECLARE_MODULE(ctl, ctl_moduledata, SI_SUB_CONFIGURE, SI_ORDER_THIRD)
void ctl_data_submit_done(union ctl_io *io)
Definition: ctl.c:5153
static int ctl_ioctl(struct cdev *dev, u_long cmd, caddr_t addr, int flag, struct thread *td)
Definition: ctl.c:2596
int ctl_scsi_reserve(struct ctl_scsiio *ctsio)
Definition: ctl.c:5286
static void ctl_id_sbuf(struct ctl_devid *id, struct sbuf *sb)
Definition: ctl.c:2559
static uint64_t ctl_get_prkey(struct ctl_lun *lun, uint32_t residx)
Definition: ctl.c:3868
static struct ctl_frontend ha_frontend
Definition: ctl.c:600
int ctl_inquiry(struct ctl_scsiio *ctsio)
Definition: ctl.c:10362
static int ctl_lun_map_size
Definition: ctl.c:417
int ctl_is_set(uint32_t *mask, uint32_t bit)
Definition: ctl.c:3854
static void ctl_isc_ua(struct ctl_softc *softc, union ctl_ha_msg *msg, int len)
Definition: ctl.c:1101
static void ctl_isc_handler_finish_ser_only(struct ctl_softc *ctl_softc, union ctl_ha_msg *msg_info)
Definition: ctl.c:814
#define CTL_PORT_WWPN_VALID
Definition: ctl.h:71
#define CTL_SN_LEN
Definition: ctl.h:91
#define CTL_DEVID_LEN
Definition: ctl.h:96
#define CTL_RETVAL_COMPLETE
Definition: ctl.h:45
#define CTL_PORT_WWNN_VALID
Definition: ctl.h:70
ctl_port_type
Definition: ctl.h:50
@ CTL_PORT_INTERNAL
Definition: ctl.h:55
@ CTL_PORT_ISCSI
Definition: ctl.h:56
@ CTL_PORT_IOCTL
Definition: ctl.h:54
@ CTL_PORT_SCSI
Definition: ctl.h:53
@ CTL_PORT_NONE
Definition: ctl.h:51
@ CTL_PORT_UMASS
Definition: ctl.h:58
@ CTL_PORT_FC
Definition: ctl.h:52
@ CTL_PORT_SAS
Definition: ctl.h:57
#define CTL_DEVID_MIN_LEN
Definition: ctl.h:97
ctl_ua_type
Definition: ctl.h:110
@ CTL_UA_LUN_RESET
Definition: ctl.h:116
@ CTL_UA_POWERON
Definition: ctl.h:112
@ CTL_UA_THIN_PROV_THRES
Definition: ctl.h:126
@ CTL_UA_ASYM_ACC_CHANGE
Definition: ctl.h:124
@ CTL_UA_IE
Definition: ctl.h:128
@ CTL_UA_BUS_RESET
Definition: ctl.h:113
@ CTL_UA_INQ_CHANGE
Definition: ctl.h:120
@ CTL_UA_RES_RELEASE
Definition: ctl.h:122
@ CTL_UA_I_T_NEXUS_LOSS
Definition: ctl.h:115
@ CTL_UA_NONE
Definition: ctl.h:111
@ CTL_UA_TARG_RESET
Definition: ctl.h:114
@ CTL_UA_MEDIUM_CHANGE
Definition: ctl.h:127
@ CTL_UA_CAPACITY_CHANGE
Definition: ctl.h:125
@ CTL_UA_MODE_CHANGE
Definition: ctl.h:118
@ CTL_UA_LUN_CHANGE
Definition: ctl.h:117
@ CTL_UA_REG_PREEMPT
Definition: ctl.h:123
int ctl_ioctl_io(struct cdev *dev, u_long cmd, caddr_t addr, int flag, struct thread *td)
struct ctl_backend_driver * ctl_backend_find(char *backend_name)
Definition: ctl_backend.c:126
@ CTL_LUN_SERSEQ_OFF
Definition: ctl_backend.h:49
@ CTL_LUN_SERSEQ_ON
Definition: ctl_backend.h:52
const struct ctl_cmd_entry ctl_cmd_table[256]
@ CTL_DEBUG_CDB_DATA
Definition: ctl_debug.h:51
@ CTL_DEBUG_INFO
Definition: ctl_debug.h:49
@ CTL_DEBUG_NONE
Definition: ctl_debug.h:48
@ CTL_DEBUG_CDB
Definition: ctl_debug.h:50
#define CTL_DEBUG_PRINT(X)
Definition: ctl_debug.h:61
void ctl_set_hw_write_protected(struct ctl_scsiio *ctsio)
Definition: ctl_error.c:965
ctl_ua_type ctl_build_qae(struct ctl_lun *lun, uint32_t initidx, uint8_t *resp)
Definition: ctl_error.c:498
void ctl_set_task_aborted(struct ctl_scsiio *ctsio)
Definition: ctl_error.c:956
void ctl_set_sense_data(struct scsi_sense_data *sense_data, u_int *sense_len, void *lunptr, scsi_sense_data_type sense_format, int current_error, int sense_key, int asc, int ascq,...)
Definition: ctl_error.c:115
void ctl_set_lun_stopped(struct ctl_scsiio *ctsio)
Definition: ctl_error.c:797
ctl_ua_type ctl_build_ua(struct ctl_lun *lun, uint32_t initidx, struct scsi_sense_data *sense, u_int *sense_len, scsi_sense_data_type sense_format)
Definition: ctl_error.c:532
void ctl_set_lun_unavail(struct ctl_scsiio *ctsio)
Definition: ctl_error.c:881
void ctl_set_invalid_field(struct ctl_scsiio *ctsio, int sks_valid, int command, int field, int bit_valid, int bit)
Definition: ctl_error.c:618
void ctl_set_reservation_conflict(struct ctl_scsiio *ctsio)
Definition: ctl_error.c:929
void ctl_set_success(struct ctl_scsiio *ctsio)
Definition: ctl_error.c:989
void ctl_set_medium_error(struct ctl_scsiio *ctsio, int read)
Definition: ctl_error.c:746
void ctl_sense_to_desc(struct scsi_sense_data_fixed *sense_src, struct scsi_sense_data_desc *sense_dest)
Definition: ctl_error.c:166
void ctl_set_lun_no_media(struct ctl_scsiio *ctsio)
Definition: ctl_error.c:833
void ctl_set_param_len_error(struct ctl_scsiio *ctsio)
Definition: ctl_error.c:686
void ctl_set_ua(struct ctl_scsiio *ctsio, int asc, int ascq)
Definition: ctl_error.c:382
void ctl_set_unsupported_lun(struct ctl_scsiio *ctsio)
Definition: ctl_error.c:710
void ctl_set_illegal_pr_release(struct ctl_scsiio *ctsio)
Definition: ctl_error.c:845
void ctl_sense_to_fixed(struct scsi_sense_data_desc *sense_src, struct scsi_sense_data_fixed *sense_dest)
Definition: ctl_error.c:249
void ctl_set_internal_failure(struct ctl_scsiio *ctsio, int sks_valid, uint16_t retry_count)
Definition: ctl_error.c:722
void ctl_set_lun_int_reqd(struct ctl_scsiio *ctsio)
Definition: ctl_error.c:809
void ctl_set_invalid_opcode(struct ctl_scsiio *ctsio)
Definition: ctl_error.c:666
void ctl_set_lba_out_of_range(struct ctl_scsiio *ctsio, uint64_t lba)
Definition: ctl_error.c:779
void ctl_set_lun_ejected(struct ctl_scsiio *ctsio)
Definition: ctl_error.c:821
void ctl_set_lun_transit(struct ctl_scsiio *ctsio)
Definition: ctl_error.c:857
void ctl_set_overlapped_tag(struct ctl_scsiio *ctsio, uint8_t tag)
Definition: ctl_error.c:603
void ctl_set_lun_standby(struct ctl_scsiio *ctsio)
Definition: ctl_error.c:869
void ctl_set_busy(struct ctl_scsiio *ctsio)
Definition: ctl_error.c:947
void ctl_set_sense(struct ctl_scsiio *ctsio, int current_error, int sense_key, int asc, int ascq,...)
Definition: ctl_error.c:128
void ctl_set_invalid_field_ciu(struct ctl_scsiio *ctsio)
Definition: ctl_error.c:653
void ctl_set_overlapped_cmd(struct ctl_scsiio *ctsio)
Definition: ctl_error.c:591
void ctl_set_aborted(struct ctl_scsiio *ctsio)
Definition: ctl_error.c:768
int ctl_port_deregister(struct ctl_port *port)
Definition: ctl_frontend.c:227
void ctl_port_set_wwns(struct ctl_port *port, int wwnn_valid, uint64_t wwnn, int wwpn_valid, uint64_t wwpn)
Definition: ctl_frontend.c:263
int ctl_frontend_deregister(struct ctl_frontend *fe)
Definition: ctl_frontend.c:109
struct ctl_frontend * ctl_frontend_find(char *frontend_name)
Definition: ctl_frontend.c:131
void ctl_port_offline(struct ctl_port *port)
Definition: ctl_frontend.c:357
void ctl_port_online(struct ctl_port *port)
Definition: ctl_frontend.c:314
int ctl_port_register(struct ctl_port *port)
Definition: ctl_frontend.c:148
int ctl_frontend_register(struct ctl_frontend *fe)
Definition: ctl_frontend.c:73
@ CTL_PORT_STATUS_HA_SHARED
Definition: ctl_frontend.h:51
@ CTL_PORT_STATUS_ONLINE
Definition: ctl_frontend.h:50
static int debug
ctl_ha_status ctl_ha_msg_recv(ctl_ha_channel channel, void *addr, size_t len, int wait)
Definition: ctl_ha.c:636
ctl_ha_status ctl_dt_single(struct ctl_ha_dt_req *req)
Definition: ctl_ha.c:785
ctl_ha_status ctl_ha_msg_abort(ctl_ha_channel channel)
Definition: ctl_ha.c:749
ctl_ha_status ctl_ha_msg_init(struct ctl_softc *ctl_softc)
Definition: ctl_ha.c:878
void ctl_ha_msg_shutdown(struct ctl_softc *ctl_softc)
Definition: ctl_ha.c:911
ctl_ha_status ctl_ha_msg_register(ctl_ha_channel channel, ctl_evt_handler handler)
Definition: ctl_ha.c:611
ctl_ha_status ctl_ha_msg_deregister(ctl_ha_channel channel)
Definition: ctl_ha.c:622
struct ctl_ha_dt_req * ctl_dt_req_alloc(void)
Definition: ctl_ha.c:765
void ctl_dt_req_free(struct ctl_ha_dt_req *req)
Definition: ctl_ha.c:775
ctl_ha_status ctl_ha_msg_send(ctl_ha_channel channel, const void *addr, size_t len, int wait)
Definition: ctl_ha.c:741
ctl_ha_status ctl_ha_msg_destroy(struct ctl_softc *ctl_softc)
Definition: ctl_ha.c:930
@ CTL_HA_MODE_XFER
Definition: ctl_ha.h:54
@ CTL_HA_MODE_ACT_STBY
Definition: ctl_ha.h:52
ctl_ha_event
Definition: ctl_ha.h:75
@ CTL_HA_EVT_MSG_RECV
Definition: ctl_ha.h:77
@ CTL_HA_EVT_LINK_CHANGE
Definition: ctl_ha.h:78
@ CTL_HA_LINK_UNKNOWN
Definition: ctl_ha.h:139
@ CTL_HA_LINK_OFFLINE
Definition: ctl_ha.h:138
@ CTL_HA_LINK_ONLINE
Definition: ctl_ha.h:140
ctl_ha_status
Definition: ctl_ha.h:82
@ CTL_HA_STATUS_WAIT
Definition: ctl_ha.h:83
@ CTL_HA_STATUS_SUCCESS
Definition: ctl_ha.h:84
void(* ctl_ha_dt_cb)(struct ctl_ha_dt_req *)
Definition: ctl_ha.h:99
@ CTL_HA_DT_CMD_WRITE
Definition: ctl_ha.h:94
@ CTL_HA_DT_CMD_READ
Definition: ctl_ha.h:93
ctl_ha_channel
Definition: ctl_ha.h:62
@ CTL_HA_CHAN_CTL
Definition: ctl_ha.h:63
#define CTL_LLF_WRITE
Definition: ctl_io.h:131
#define CTL_LLF_READ
Definition: ctl_io.h:130
#define CTL_PRIV_MODEPAGE
Definition: ctl_io.h:160
@ CTL_IO_SCSI
Definition: ctl_io.h:191
@ CTL_IO_TASK
Definition: ctl_io.h:192
@ CTL_TAG_HEAD_OF_QUEUE
Definition: ctl_io.h:257
@ CTL_TAG_UNTAGGED
Definition: ctl_io.h:254
@ CTL_TAG_ORDERED
Definition: ctl_io.h:256
#define CTL_BACKEND_LUN(io)
Definition: ctl_io.h:168
#define CTL_LLF_DPO
Definition: ctl_io.h:129
@ CTL_PR_UNREG_KEY
Definition: ctl_io.h:402
@ CTL_PR_RESERVE
Definition: ctl_io.h:405
@ CTL_PR_PREEMPT
Definition: ctl_io.h:403
@ CTL_PR_CLEAR
Definition: ctl_io.h:404
@ CTL_PR_RELEASE
Definition: ctl_io.h:406
@ CTL_PR_REG_KEY
Definition: ctl_io.h:401
#define CTL_TIME_IO_DEFAULT_SECS
Definition: ctl_io.h:57
#define CTL_PORT(io)
Definition: ctl_io.h:169
@ CTL_TASK_LUN_RESET
Definition: ctl_io.h:348
@ CTL_TASK_QUERY_ASYNC_EVENT
Definition: ctl_io.h:355
@ CTL_TASK_BUS_RESET
Definition: ctl_io.h:350
@ CTL_TASK_QUERY_TASK_SET
Definition: ctl_io.h:354
@ CTL_TASK_PORT_LOGIN
Definition: ctl_io.h:351
@ CTL_TASK_PORT_LOGOUT
Definition: ctl_io.h:352
@ CTL_TASK_CLEAR_ACA
Definition: ctl_io.h:345
@ CTL_TASK_ABORT_TASK
Definition: ctl_io.h:343
@ CTL_TASK_CLEAR_TASK_SET
Definition: ctl_io.h:346
@ CTL_TASK_TARGET_RESET
Definition: ctl_io.h:349
@ CTL_TASK_ABORT_TASK_SET
Definition: ctl_io.h:344
@ CTL_TASK_QUERY_TASK
Definition: ctl_io.h:353
@ CTL_TASK_I_T_NEXUS_RESET
Definition: ctl_io.h:347
#define CTL_LLF_COMPARE
Definition: ctl_io.h:133
#define CTL_LSGLT(io)
Definition: ctl_io.h:179
#define CTL_LLF_FUA
Definition: ctl_io.h:128
@ CTL_SUCCESS
Definition: ctl_io.h:70
@ CTL_AUTOSENSE
Definition: ctl_io.h:77
@ CTL_SCSI_ERROR
Definition: ctl_io.h:74
@ CTL_ERROR
Definition: ctl_io.h:73
@ CTL_STATUS_NONE
Definition: ctl_io.h:69
@ CTL_STATUS_MASK
Definition: ctl_io.h:76
#define CTL_MAX_CDBLEN
Definition: ctl_io.h:49
@ CTL_MSG_PERS_ACTION
Definition: ctl_io.h:208
@ CTL_MSG_FINISH_IO
Definition: ctl_io.h:205
@ CTL_MSG_MODE_SYNC
Definition: ctl_io.h:216
@ CTL_MSG_R2R
Definition: ctl_io.h:204
@ CTL_MSG_LUN_SYNC
Definition: ctl_io.h:213
@ CTL_MSG_UA
Definition: ctl_io.h:211
@ CTL_MSG_MANAGE_TASKS
Definition: ctl_io.h:207
@ CTL_MSG_FAILOVER
Definition: ctl_io.h:217
@ CTL_MSG_DATAMOVE
Definition: ctl_io.h:209
@ CTL_MSG_DATAMOVE_DONE
Definition: ctl_io.h:210
@ CTL_MSG_PORT_SYNC
Definition: ctl_io.h:212
@ CTL_MSG_LOGIN
Definition: ctl_io.h:215
@ CTL_MSG_IID_SYNC
Definition: ctl_io.h:214
@ CTL_MSG_BAD_JUJU
Definition: ctl_io.h:206
@ CTL_MSG_SERIALIZE
Definition: ctl_io.h:203
#define CTL_PRIV_LBA_LEN
Definition: ctl_io.h:159
#define CTL_LLF_VERIFY
Definition: ctl_io.h:132
#define CTL_LSGL(io)
Definition: ctl_io.h:177
#define CTL_SOFTC(io)
Definition: ctl_io.h:167
#define CTL_LUN(io)
Definition: ctl_io.h:166
@ CTL_FLAG_IS_WAS_ON_RTR
Definition: ctl_io.h:101
@ CTL_FLAG_IO_CONT
Definition: ctl_io.h:104
@ CTL_FLAG_IO_ACTIVE
Definition: ctl_io.h:114
@ CTL_FLAG_SENT_2OTHER_SC
Definition: ctl_io.h:99
@ CTL_FLAG_STATUS_QUEUED
Definition: ctl_io.h:111
@ CTL_FLAG_DMA_INPROG
Definition: ctl_io.h:96
@ CTL_FLAG_FROM_OTHER_SC
Definition: ctl_io.h:100
@ CTL_FLAG_ABORT
Definition: ctl_io.h:95
@ CTL_FLAG_DATA_MASK
Definition: ctl_io.h:90
@ CTL_FLAG_INT_COPY
Definition: ctl_io.h:98
@ CTL_FLAG_DMA_QUEUED
Definition: ctl_io.h:110
@ CTL_FLAG_ALLOCATED
Definition: ctl_io.h:93
@ CTL_FLAG_SERSEQ_DONE
Definition: ctl_io.h:116
@ CTL_FLAG_DELAY_DONE
Definition: ctl_io.h:97
@ CTL_FLAG_BUS_ADDR
Definition: ctl_io.h:102
@ CTL_FLAG_STATUS_SENT
Definition: ctl_io.h:115
@ CTL_FLAG_FAILOVER
Definition: ctl_io.h:113
@ CTL_FLAG_DATA_IN
Definition: ctl_io.h:87
@ CTL_FLAG_ABORT_STATUS
Definition: ctl_io.h:94
@ CTL_FLAG_DATA_OUT
Definition: ctl_io.h:88
#define CTL_RSGL(io)
Definition: ctl_io.h:176
#define CTL_HA_VERSION
Definition: ctl_io.h:385
#define CTL_HA_DATAMOVE_SEGMENT
Definition: ctl_io.h:432
@ CTL_TASK_LUN_DOES_NOT_EXIST
Definition: ctl_io.h:362
@ CTL_TASK_FUNCTION_SUCCEEDED
Definition: ctl_io.h:360
@ CTL_TASK_FUNCTION_NOT_SUPPORTED
Definition: ctl_io.h:363
@ CTL_TASK_FUNCTION_COMPLETE
Definition: ctl_io.h:359
#define CTL_ERROR_INJECT
Definition: ctl_ioctl.h:764
@ CTL_OOA_OK
Definition: ctl_ioctl.h:239
@ CTL_OOA_NEED_MORE_SPACE
Definition: ctl_ioctl.h:240
#define CTL_IO
Definition: ctl_ioctl.h:760
#define CTL_PORT_LIST
Definition: ctl_ioctl.h:773
#define CTL_SET_PORT_WWNS
Definition: ctl_ioctl.h:770
@ CTL_OOA_FLAG_ALL_LUNS
Definition: ctl_ioctl.h:235
#define CTL_ISCSI
Definition: ctl_ioctl.h:771
#define CTL_LUN_LIST
Definition: ctl_ioctl.h:768
#define CTL_LUN_REQ
Definition: ctl_ioctl.h:767
#define CTL_GET_OOA
Definition: ctl_ioctl.h:765
@ CTL_OOACMD_FLAG_RTR
Definition: ctl_ioctl.h:249
@ CTL_OOACMD_FLAG_STATUS_QUEUED
Definition: ctl_ioctl.h:251
@ CTL_OOACMD_FLAG_ABORT
Definition: ctl_ioctl.h:248
@ CTL_OOACMD_FLAG_STATUS_SENT
Definition: ctl_ioctl.h:252
@ CTL_OOACMD_FLAG_DMA
Definition: ctl_ioctl.h:246
@ CTL_OOACMD_FLAG_DMA_QUEUED
Definition: ctl_ioctl.h:250
@ CTL_OOACMD_FLAG_BLOCKED
Definition: ctl_ioctl.h:247
#define CTL_DUMP_STRUCTS
Definition: ctl_ioctl.h:766
#define CTL_ERROR_INJECT_DELETE
Definition: ctl_ioctl.h:769
#define CTL_ENABLE_PORT
Definition: ctl_ioctl.h:761
ctl_lun_error_pattern
Definition: ctl_ioctl.h:182
@ CTL_LUN_PAT_NONE
Definition: ctl_ioctl.h:183
@ CTL_LUN_PAT_ANY
Definition: ctl_ioctl.h:189
@ CTL_LUN_PAT_CMD
Definition: ctl_ioctl.h:191
@ CTL_LUN_PAT_MASK
Definition: ctl_ioctl.h:190
@ CTL_LUN_PAT_RANGE
Definition: ctl_ioctl.h:192
@ CTL_LUN_PAT_WRITE
Definition: ctl_ioctl.h:185
@ CTL_STATS_READ
Definition: ctl_ioctl.h:103
@ CTL_STATS_NO_IO
Definition: ctl_ioctl.h:102
@ CTL_STATS_WRITE
Definition: ctl_ioctl.h:104
#define CTL_LUN_MAP
Definition: ctl_ioctl.h:774
@ CTL_DELAY_STATUS_INVALID_LUN
Definition: ctl_ioctl.h:87
@ CTL_DELAY_STATUS_INVALID_LOC
Definition: ctl_ioctl.h:89
@ CTL_DELAY_STATUS_INVALID_TYPE
Definition: ctl_ioctl.h:88
@ CTL_DELAY_STATUS_NOT_IMPLEMENTED
Definition: ctl_ioctl.h:90
@ CTL_DELAY_STATUS_OK
Definition: ctl_ioctl.h:86
#define CTL_DISABLE_PORT
Definition: ctl_ioctl.h:762
#define CTL_DELAY_IO
Definition: ctl_ioctl.h:763
@ CTL_LUN_FLAG_STOPPED
Definition: ctl_ioctl.h:325
@ CTL_LUN_FLAG_READONLY
Definition: ctl_ioctl.h:333
@ CTL_LUN_FLAG_PRIMARY
Definition: ctl_ioctl.h:327
@ CTL_LUN_FLAG_UNMAP
Definition: ctl_ioctl.h:331
@ CTL_LUN_FLAG_EJECTED
Definition: ctl_ioctl.h:332
@ CTL_LUN_FLAG_ID_REQ
Definition: ctl_ioctl.h:324
@ CTL_LUN_FLAG_NO_MEDIA
Definition: ctl_ioctl.h:326
@ CTL_SS_NEED_MORE_SPACE
Definition: ctl_ioctl.h:110
@ CTL_SS_OK
Definition: ctl_ioctl.h:109
#define CTL_PORT_REQ
Definition: ctl_ioctl.h:772
#define CTL_GET_PORT_STATS
Definition: ctl_ioctl.h:776
@ CTL_LUN_INJ_ABORTED
Definition: ctl_ioctl.h:155
@ CTL_LUN_INJ_CUSTOM
Definition: ctl_ioctl.h:158
@ CTL_LUN_INJ_UA
Definition: ctl_ioctl.h:157
@ CTL_LUN_INJ_CONTINUOUS
Definition: ctl_ioctl.h:160
@ CTL_LUN_INJ_TYPE
Definition: ctl_ioctl.h:159
@ CTL_LUN_INJ_NONE
Definition: ctl_ioctl.h:154
@ CTL_LUN_INJ_MEDIUM_ERR
Definition: ctl_ioctl.h:156
@ CTL_DELAY_LOC_DONE
Definition: ctl_ioctl.h:81
@ CTL_DELAY_LOC_DATAMOVE
Definition: ctl_ioctl.h:80
#define CTL_GET_LUN_STATS
Definition: ctl_ioctl.h:775
@ CTL_LUN_ERROR
Definition: ctl_ioctl.h:280
@ CTL_LUN_OK
Definition: ctl_ioctl.h:279
@ CTL_LUNREQ_MODIFY
Definition: ctl_ioctl.h:289
@ CTL_ISCSI_ERROR
Definition: ctl_ioctl.h:580
#define CTL_MAX_INIT_PER_PORT
Definition: ctl_ioctl.h:67
@ CTL_STATS_FLAG_TIME_VALID
Definition: ctl_ioctl.h:116
@ CTL_STATS_FLAG_NONE
Definition: ctl_ioctl.h:115
@ CTL_LUN_LIST_ERROR
Definition: ctl_ioctl.h:488
@ CTL_LUN_LIST_NEED_MORE_SPACE
Definition: ctl_ioctl.h:487
@ CTL_LUN_LIST_OK
Definition: ctl_ioctl.h:486
@ CTL_DELAY_TYPE_CONT
Definition: ctl_ioctl.h:74
@ CTL_DELAY_TYPE_ONESHOT
Definition: ctl_ioctl.h:75
void ctl_tpc_lun_init(struct ctl_lun *lun)
Definition: ctl_tpc.c:223
#define CTL_CDROM_PRODUCT
Definition: ctl_private.h:55
#define CTL_WRITE_BUFFER_SIZE
Definition: ctl_private.h:375
#define CTL_VENDOR
Definition: ctl_private.h:52
#define CTL_NUM_LBP_PARAMS
Definition: ctl_private.h:260
void ctl_tpc_lun_clear(struct ctl_lun *lun, uint32_t initidx)
Definition: ctl_tpc.c:230
@ CTL_SERIDX_INVLD
Definition: ctl_private.h:127
@ CTL_FLAG_ACTIVE_SHELF
Definition: ctl_private.h:420
#define CTL_UNKNOWN_PRODUCT
Definition: ctl_private.h:56
void ctl_tpc_lun_shutdown(struct ctl_lun *lun)
Definition: ctl_tpc.c:245
#define CTL_PAGE_DEFAULT
Definition: ctl_private.h:257
#define CTL_LBP_UA_PERIOD
Definition: ctl_private.h:264
#define CTL_DEFAULT_SECTORS_PER_TRACK
Definition: ctl_private.h:223
int ctl_inquiry_evpd_tpc(struct ctl_scsiio *ctsio, int alloc_len)
Definition: ctl_tpc.c:272
#define CTL_PAGE_CHANGEABLE
Definition: ctl_private.h:256
#define NUM_HA_SHELVES
Definition: ctl_private.h:373
#define CTL_DEFAULT_ROTATION_RATE
Definition: ctl_private.h:226
ctl_action
Definition: ctl_private.h:76
@ CTL_ACTION_OVERLAP_TAG
Definition: ctl_private.h:81
@ CTL_ACTION_BLOCK
Definition: ctl_private.h:79
@ CTL_ACTION_PASS
Definition: ctl_private.h:77
@ CTL_ACTION_SKIP
Definition: ctl_private.h:78
@ CTL_ACTION_OVERLAP
Definition: ctl_private.h:80
#define CTL_DEFAULT_HEADS
Definition: ctl_private.h:224
static const struct ctl_page_index page_index_template[]
Definition: ctl_private.h:271
@ CTL_CMD_FLAG_OK_ON_CDROM
Definition: ctl_private.h:100
@ CTL_CMD_FLAG_OK_ON_NO_MEDIA
Definition: ctl_private.h:103
@ CTL_CMD_FLAG_ALLOW_ON_PR_RESV
Definition: ctl_private.h:96
@ CTL_CMD_FLAG_OK_ON_DIRECT
Definition: ctl_private.h:99
@ CTL_CMD_FLAG_OK_ON_STANDBY
Definition: ctl_private.h:104
@ CTL_CMD_FLAG_OK_ON_PROC
Definition: ctl_private.h:98
@ CTL_CMD_FLAG_SA5
Definition: ctl_private.h:106
@ CTL_CMD_FLAG_OK_ON_NO_LUN
Definition: ctl_private.h:102
@ CTL_CMD_FLAG_OK_ON_UNAVAIL
Definition: ctl_private.h:105
@ CTL_CMD_FLAG_ALLOW_ON_PR_WRESV
Definition: ctl_private.h:97
@ CTL_CMD_FLAG_RUN_HERE
Definition: ctl_private.h:107
@ CTL_CMD_FLAG_NO_SENSE
Definition: ctl_private.h:94
@ CTL_CMD_FLAG_ALLOW_ON_RESV
Definition: ctl_private.h:95
@ CTL_PAGE_FLAG_CDROM
Definition: ctl_private.h:241
@ CTL_PAGE_FLAG_PROC
Definition: ctl_private.h:240
@ CTL_PAGE_FLAG_DIRECT
Definition: ctl_private.h:239
void ctl_tpc_init(struct ctl_softc *softc)
Definition: ctl_tpc.c:194
void ctl_tpc_shutdown(struct ctl_softc *softc)
Definition: ctl_tpc.c:205
ctl_lun_flags
Definition: ctl_private.h:142
@ CTL_LUN_NO_MEDIA
Definition: ctl_private.h:149
@ CTL_LUN_INVALID
Definition: ctl_private.h:146
@ CTL_LUN_DISABLED
Definition: ctl_private.h:147
@ CTL_LUN_PEER_SC_PRIMARY
Definition: ctl_private.h:154
@ CTL_LUN_PR_RESERVED
Definition: ctl_private.h:151
@ CTL_LUN_PRIMARY_SC
Definition: ctl_private.h:152
@ CTL_LUN_EJECTED
Definition: ctl_private.h:150
@ CTL_LUN_STOPPED
Definition: ctl_private.h:148
@ CTL_LUN_RESERVED
Definition: ctl_private.h:145
@ CTL_LUN_REMOVABLE
Definition: ctl_private.h:155
#define CTL_LBP_PERIOD
Definition: ctl_private.h:263
#define CTL_NUM_LBP_THRESH
Definition: ctl_private.h:261
#define CTL_NUM_MODE_PAGES
Definition: ctl_private.h:298
#define CTL_PR_ALL_REGISTRANTS
Definition: ctl_private.h:365
#define CTL_PROCESSOR_PRODUCT
Definition: ctl_private.h:54
#define CTL_PR_NO_RESERVATION
Definition: ctl_private.h:366
#define CTL_DIRECT_PRODUCT
Definition: ctl_private.h:53
static const struct ctl_page_index log_page_index_template[]
Definition: ctl_private.h:326
#define CTL_PAGE_SAVED
Definition: ctl_private.h:258
@ CTL_SER_EXTENT
Definition: ctl_private.h:71
@ CTL_SER_EXTENTOPT
Definition: ctl_private.h:70
@ CTL_SER_SEQ
Definition: ctl_private.h:68
@ CTL_SER_PASS
Definition: ctl_private.h:69
@ CTL_SER_BLOCKOPT
Definition: ctl_private.h:72
@ CTL_SER_BLOCK
Definition: ctl_private.h:73
#define CTL_MAX_THREADS
Definition: ctl_private.h:423
#define CTL_POOL_ENTRIES_OTHER_SC
Definition: ctl_private.h:58
#define CTL_NUM_LOG_PAGES
Definition: ctl_private.h:341
#define CTL_LBP_EXPONENT
Definition: ctl_private.h:262
#define CTL_PAGE_CURRENT
Definition: ctl_private.h:255
int ctl_scsi_command_string(struct ctl_scsiio *ctsio, struct scsi_inquiry_data *inq_data, struct sbuf *sb)
Definition: ctl_scsi_all.c:102
void ctl_scsi_path_string(union ctl_io *io, char *path_str, int len)
Definition: ctl_scsi_all.c:115
static const uint8_t ctl_serialize_table[CTL_SERIDX_COUNT][CTL_SERIDX_COUNT]
Definition: ctl_ser_table.c:63
void ctl_io_print(union ctl_io *io)
Definition: ctl_util.c:837
void ctl_data_print(union ctl_io *io)
Definition: ctl_util.c:854
void ctl_io_error_print(union ctl_io *io, struct scsi_inquiry_data *inq_data)
Definition: ctl_util.c:845
scsi_sense_data_type scsi_sense_type(struct scsi_sense_data *sense_data)
Definition: scsi_all.c:4793
#define SL_DS
Definition: scsi_all.h:624
#define SPR_LU_SCOPE
Definition: scsi_all.h:411
#define SCP_QUEUE_ALG_MASK
Definition: scsi_all.h:721
#define SLP_LBIN
Definition: scsi_all.h:633
#define SSS_PC_MASK
Definition: scsi_all.h:1421
#define SIEP_MRIE_UA
Definition: scsi_all.h:823
#define SPRI_TM_WR_EX_AR
Definition: scsi_all.h:344
#define SVPD_EXTENDED_INQUIRY_DATA
Definition: scsi_all.h:2508
#define SPRI_TM_EX_AC
Definition: scsi_all.h:347
#define SPRI_TM_EX_AC_AR
Definition: scsi_all.h:349
#define SMS_PAGE_CODE
Definition: scsi_all.h:192
#define SLP_TI
Definition: scsi_all.h:674
#define SVPD_SCSI_TPC
Definition: scsi_all.h:2775
#define SMS_PAGE_CTRL_MASK
Definition: scsi_all.h:203
#define SIEP_FLAGS_LOGERR
Definition: scsi_all.h:820
#define SWV_DPO
Definition: scsi_all.h:1384
#define SID_HiSup
Definition: scsi_all.h:2235
#define SID_RMB
Definition: scsi_all.h:2216
#define MODE_SENSE_6
Definition: scsi_all.h:2087
#define SVPD_UNIT_SERIAL_NUMBER
Definition: scsi_all.h:2343
#define SIEP_FLAGS_DEXCPT
Definition: scsi_all.h:817
#define TPG_ASYMMETRIC_ACCESS_STANDBY
Definition: scsi_all.h:3153
#define RPL_LUNDATA_EXT_EAM_NOT_SPEC
Definition: scsi_all.h:3022
#define SVPD_ID_TYPE_SCSI_NAME
Definition: scsi_all.h:2387
#define SPC3_SID_TPGS_IMPLICIT
Definition: scsi_all.h:2244
#define STG_PDF_LENGTH
Definition: scsi_all.h:3108
#define RPL_REPORT_DEFAULT
Definition: scsi_all.h:2998
#define SVPD_BLOCK_LIMITS
Definition: scsi_all.h:2863
#define SMH_LONGLBA
Definition: scsi_all.h:3656
#define SCP_SWP
Definition: scsi_all.h:730
#define SVPD_LBP_WS16
Definition: scsi_all.h:2841
#define RII_IIS
Definition: scsi_all.h:1488
#define SPR_TYPE_EX_AC_AR
Definition: scsi_all.h:423
#define READ_6
Definition: scsi_all.h:2083
#define SCSI_STATUS_CHECK_COND
Definition: scsi_all.h:3692
#define SVPD_EID_SIMPSUP
Definition: scsi_all.h:2540
#define SL_SPF
Definition: scsi_all.h:623
#define SID_CmdQue
Definition: scsi_all.h:2262
#define SYNCHRONIZE_CACHE_16
Definition: scsi_all.h:2128
#define SRC16_LBPME
Definition: scsi_all.h:2956
#define RST_QAES
Definition: scsi_all.h:1599
#define SVPD_EID_RTD_SUP
Definition: scsi_all.h:2556
#define SLP_SAP
Definition: scsi_all.h:655
#define SIEP_MRIE_NO
Definition: scsi_all.h:822
#define T_NODEVICE
Definition: scsi_all.h:2189
#define SLP_LP
Definition: scsi_all.h:632
#define WRITE_16
Definition: scsi_all.h:2123
#define WRITE_6
Definition: scsi_all.h:2084
#define SVPD_LBP_WS10
Definition: scsi_all.h:2842
#define SRW12_DPO
Definition: scsi_all.h:1297
#define SPR_SCOPE_MASK
Definition: scsi_all.h:409
static __inline uint32_t scsi_3btoul(const uint8_t *bytes)
Definition: scsi_all.h:4425
#define SPRI_FULL_R_HOLDER
Definition: scsi_all.h:380
#define RST_ATSS
Definition: scsi_all.h:1594
#define SWS_NDOB
Definition: scsi_all.h:1347
#define SVPD_LBP
Definition: scsi_all.h:2835
#define SIEP_FLAGS_EWASC
Definition: scsi_all.h:816
#define SLP_IE_GEN
Definition: scsi_all.h:694
static __inline uint64_t scsi_8btou64(const uint8_t *bytes)
Definition: scsi_all.h:4459
#define SVPD_ID_TYPE_RELTARG
Definition: scsi_all.h:2383
#define RPL_REPORT_CONGLOM
Definition: scsi_all.h:3003
static __inline uint32_t scsi_2btoul(const uint8_t *bytes)
Definition: scsi_all.h:4415
#define RSO_OPTIONS_ALL
Definition: scsi_all.h:1512
#define SMS_CACHING_PAGE
Definition: scsi_all.h:781
#define SPR_APTPL
Definition: scsi_all.h:437
#define SLP_REFTEMPERATURE
Definition: scsi_all.h:703
#define SMS_RTD
Definition: scsi_all.h:232
#define SVPD_EID_V_SUP
Definition: scsi_all.h:2545
#define SPRI_RK
Definition: scsi_all.h:296
#define SIEP_FLAGS_TEST
Definition: scsi_all.h:818
#define SMS_INFO_EXCEPTIONS_PAGE
Definition: scsi_all.h:201
#define T_CDROM
Definition: scsi_all.h:2175
#define SMPH_PC_MASK
Definition: scsi_all.h:3666
#define TPG_IMPLICIT
Definition: scsi_all.h:3171
#define SID_Sync
Definition: scsi_all.h:2264
#define SVPD_ID_CODESET_UTF8
Definition: scsi_all.h:2371
#define SVPD_ID_PIV
Definition: scsi_all.h:2374
#define SVPD_ID_TYPE_MASK
Definition: scsi_all.h:2390
#define RST_CTSS
Definition: scsi_all.h:1592
#define SPRI_RS
Definition: scsi_all.h:299
#define SVPD_ID_CODESET_BINARY
Definition: scsi_all.h:2369
#define SPR_ALL_TG_PT
Definition: scsi_all.h:436
#define SCP_TAS
Definition: scsi_all.h:736
#define SPR_TYPE_WR_EX
Definition: scsi_all.h:416
#define SPC2_SID_MultiP
Definition: scsi_all.h:2251
#define SPRI_TMV
Definition: scsi_all.h:333
#define SVPD_EID_ORDSUP
Definition: scsi_all.h:2539
#define RWB_MODE_DESCR
Definition: scsi_all.h:1026
#define SRS_DESC
Definition: scsi_all.h:123
#define SLS_PAGE_CODE
Definition: scsi_all.h:574
#define SID_SPI_QAS
Definition: scsi_all.h:2284
#define SMS_SUBPAGE_ALL
Definition: scsi_all.h:210
#define T_DIRECT
Definition: scsi_all.h:2170
#define RPL_LUNDATA_ATYP_MASK
Definition: scsi_all.h:3023
#define SVPD_LBP_UNMAP
Definition: scsi_all.h:2840
#define SSS_LOEJ
Definition: scsi_all.h:1420
#define SVPD_ID_TYPE_UUID
Definition: scsi_all.h:2389
#define SVPD_LBP_RESOURCE
Definition: scsi_all.h:2847
#define SPR_TYPE_EX_AC_RO
Definition: scsi_all.h:421
#define RPL_LUNDATA_ATYP_EXTLUN
Definition: scsi_all.h:3027
#define SCP_QUEUE_ALG_UNRESTRICTED
Definition: scsi_all.h:723
#define SIEP_MRIE_REC_COND
Definition: scsi_all.h:824
#define SMS_DBD
Definition: scsi_all.h:190
#define SVPD_SCSI_PORTS
Definition: scsi_all.h:2628
#define SPRO_PREEMPT
Definition: scsi_all.h:402
#define SPRI_TM_EX_AC_RO
Definition: scsi_all.h:345
#define SLBPPD_ARMING_MASK
Definition: scsi_all.h:836
#define SVPD_LBP_ANC_SUP
Definition: scsi_all.h:2844
#define STG_PDF_EXTENDED
Definition: scsi_all.h:3109
#define WRITE_VERIFY_12
Definition: scsi_all.h:2141
#define SVPD_MODE_PAGE_POLICY
Definition: scsi_all.h:2596
#define SYNCHRONIZE_CACHE
Definition: scsi_all.h:2101
#define WRITE_VERIFY_10
Definition: scsi_all.h:2099
#define SVPD_FUAB
Definition: scsi_all.h:2809
#define TPG_ASYMMETRIC_ACCESS_OPTIMIZED
Definition: scsi_all.h:3151
#define SMS_ALL_PAGES_PAGE
Definition: scsi_all.h:202
#define SLS_PAGE_CTRL_MASK
Definition: scsi_all.h:589
#define SSD_KEY_RECOVERED_ERROR
Definition: scsi_all.h:3277
scsi_sense_data_type
Definition: scsi_all.h:3226
@ SSD_TYPE_DESC
Definition: scsi_all.h:3229
@ SSD_TYPE_NONE
Definition: scsi_all.h:3227
@ SSD_TYPE_FIXED
Definition: scsi_all.h:3228
#define SF_FMTDATA
Definition: scsi_all.h:974
#define SVPD_ID_TYPE_TPORTGRP
Definition: scsi_all.h:2384
#define SVPD_EID_HEADSUP
Definition: scsi_all.h:2538
static __inline void scsi_ulto2b(u_int32_t val, u_int8_t *bytes)
Definition: scsi_all.h:4374
#define SCP_QUEUE_ALG_RESTRICTED
Definition: scsi_all.h:722
#define SVPD_ID_TYPE_NAA
Definition: scsi_all.h:2382
#define SL_PAGE_CODE
Definition: scsi_all.h:622
#define MODE_SELECT_10
Definition: scsi_all.h:2110
#define SVPD_RBWZ
Definition: scsi_all.h:2811
#define READ_BUFFER_16
Definition: scsi_all.h:2130
#define SIEP_MRIE_REC_UNCOND
Definition: scsi_all.h:825
#define SCSI_PROTO_FC
Definition: scsi_all.h:857
#define SLP_TEMPERATURE
Definition: scsi_all.h:702
#define SCP_DSENSE
Definition: scsi_all.h:714
#define SERVICE_ACTION_MASK
Definition: scsi_all.h:1471
#define RWB_MODE_ECHO_DESCR
Definition: scsi_all.h:1030
#define SVPD_LBP_RZ
Definition: scsi_all.h:2843
#define SWS_ANCHOR
Definition: scsi_all.h:1336
#define COMPARE_AND_WRITE
Definition: scsi_all.h:2122
#define RST_TRS
Definition: scsi_all.h:1589
#define SCP_WCE
Definition: scsi_all.h:789
#define TPG_AN_SUP
Definition: scsi_all.h:3160
#define SSD_KEY_NOT_READY
Definition: scsi_all.h:3278
#define SLBPPD_ARMING_DEC
Definition: scsi_all.h:837
#define RSO_OPTIONS_OC_SA
Definition: scsi_all.h:1514
#define MODE_SELECT_6
Definition: scsi_all.h:2086
#define SLS_LOGICAL_BLOCK_PROVISIONING
Definition: scsi_all.h:583
#define SCSI_TRN_ISCSI_FORMAT_PORT
Definition: scsi_all.h:523
#define SLBPP_SITUA
Definition: scsi_all.h:849
#define SSS_START
Definition: scsi_all.h:1419
#define SVPD_BDC
Definition: scsi_all.h:2800
#define SVPD_ID_ASSOC_LUN
Definition: scsi_all.h:2375
#define SLBPPD_ENABLED
Definition: scsi_all.h:834
static __inline uint32_t scsi_4btoul(const uint8_t *bytes)
Definition: scsi_all.h:4447
#define SMS10_LLBAA
Definition: scsi_all.h:219
#define SRC16_PMI
Definition: scsi_all.h:2927
#define T_PROCESSOR
Definition: scsi_all.h:2173
#define STG_PDF_MASK
Definition: scsi_all.h:3107
#define VERIFY_12
Definition: scsi_all.h:2142
#define RTS_ORIG_OUTSIDE
Definition: scsi_all.h:1647
#define SID_QUAL_LU_CONNECTED
Definition: scsi_all.h:2208
#define SCSI_PROTO_SPI
Definition: scsi_all.h:858
#define WRITE_12
Definition: scsi_all.h:2140
#define VERIFY_16
Definition: scsi_all.h:2127
#define RST_QTS
Definition: scsi_all.h:1590
#define SPRI_RR
Definition: scsi_all.h:297
#define SPR_TYPE_MASK
Definition: scsi_all.h:414
#define RPL_LUNDATA_ATYP_FLAT
Definition: scsi_all.h:3025
#define SVPD_SCSI_SFS
Definition: scsi_all.h:2787
#define RST_ATS
Definition: scsi_all.h:1595
#define RII_LUII
Definition: scsi_all.h:1486
#define SWS_UNMAP
Definition: scsi_all.h:1335
#define TPG_AO_SUP
Definition: scsi_all.h:3159
#define SCSI_PROTO_ISCSI
Definition: scsi_all.h:862
#define SRW12_FUA
Definition: scsi_all.h:1296
#define SVPD_BL_WSNZ
Definition: scsi_all.h:2868
#define SRC16_LBPPBE
Definition: scsi_all.h:2950
#define SVPD_VBULS
Definition: scsi_all.h:2808
#define TPG_ASYMMETRIC_ACCESS_UNAVAILABLE
Definition: scsi_all.h:3154
#define TPG_ASYMMETRIC_ACCESS_NONOPTIMIZED
Definition: scsi_all.h:3152
#define WRITE_VERIFY_16
Definition: scsi_all.h:2126
#define RWB_MODE
Definition: scsi_all.h:1022
#define SVPD_ID_CODESET_MASK
Definition: scsi_all.h:2372
#define SLP_IT
Definition: scsi_all.h:668
#define SI_EVPD
Definition: scsi_all.h:179
#define SMS_CONTROL_MODE_PAGE
Definition: scsi_all.h:199
#define SPRO_PRE_ABO
Definition: scsi_all.h:403
#define SPRO_RELEASE
Definition: scsi_all.h:400
#define SPR_TYPE_WR_EX_RO
Definition: scsi_all.h:420
#define SVPD_SUPPORTED_PAGES
Definition: scsi_all.h:2334
#define MODE_SENSE_10
Definition: scsi_all.h:2113
#define WRITE_ATOMIC_16
Definition: scsi_all.h:2131
#define UNMAP
Definition: scsi_all.h:2107
#define RII_LUTII
Definition: scsi_all.h:1487
#define SVPD_ID_ASSOC_PORT
Definition: scsi_all.h:2376
#define SPRI_RC
Definition: scsi_all.h:298
#define RST_LURS
Definition: scsi_all.h:1591
static __inline void scsi_ulto4b(u_int32_t val, u_int8_t *bytes)
Definition: scsi_all.h:4391
#define SRC16_LBPRZ
Definition: scsi_all.h:2955
#define RPL_LUNDATA_ATYP_PERIPH
Definition: scsi_all.h:3024
#define SCSI_REV_SPC5
Definition: scsi_all.h:2227
#define SVPD_ID_TYPE_EUI64
Definition: scsi_all.h:2381
static __inline void scsi_u64to8b(u_int64_t val, u_int8_t *bytes)
Definition: scsi_all.h:4401
#define SPRO_REGISTER
Definition: scsi_all.h:398
#define SPR_SPEC_I_PT
Definition: scsi_all.h:435
#define WRITE_10
Definition: scsi_all.h:2097
#define SERVICE_ACTION_IN
Definition: scsi_all.h:2132
#define SMPH_SPF
Definition: scsi_all.h:3665
#define SPRI_CRH
Definition: scsi_all.h:328
#define VERIFY_10
Definition: scsi_all.h:2100
#define SVPD_MPP_SHARED
Definition: scsi_all.h:2585
#define SRC_PMI
Definition: scsi_all.h:2916
#define SVPD_LBP_THIN
Definition: scsi_all.h:2848
#define SCP_DISC
Definition: scsi_all.h:787
#define SF_LONGLIST
Definition: scsi_all.h:973
#define READ_16
Definition: scsi_all.h:2121
#define SPC3_SID_3PC
Definition: scsi_all.h:2242
#define RSO_OPTIONS_OC_ASA
Definition: scsi_all.h:1515
#define SID_SPI_CLOCK_DT_ST
Definition: scsi_all.h:2287
#define RST_QTSS
Definition: scsi_all.h:1598
#define SMS_FORMAT_DEVICE_PAGE
Definition: scsi_all.h:195
#define SVPD_ID_TYPE_T10
Definition: scsi_all.h:2380
#define READ_BUFFER
Definition: scsi_all.h:2104
#define T_SEQUENTIAL
Definition: scsi_all.h:2171
#define SCP_NUAR
Definition: scsi_all.h:724
#define RPL_REPORT_NONSUBSID
Definition: scsi_all.h:3002
#define PR_PREVENT
Definition: scsi_all.h:945
#define TPG_ASYMMETRIC_ACCESS_TRANSITIONING
Definition: scsi_all.h:3157
#define SVPD_ID_CODESET_ASCII
Definition: scsi_all.h:2370
#define SID_QUAL_LU_OFFLINE
Definition: scsi_all.h:2209
#define SPRO_CLEAR
Definition: scsi_all.h:401
#define RPL_LUNDATA_EXT_LEN_MASK
Definition: scsi_all.h:3019
#define RSO_OPTIONS_OC
Definition: scsi_all.h:1513
#define SID_QUAL_BAD_LU
Definition: scsi_all.h:2211
#define TPG_S_SUP
Definition: scsi_all.h:3161
#define SPRI_TM_WR_EX_RO
Definition: scsi_all.h:346
static __inline void scsi_ulto3b(u_int32_t val, u_int8_t *bytes)
Definition: scsi_all.h:4382
#define SIEP_MRIE_NO_SENSE
Definition: scsi_all.h:826
#define READ_10
Definition: scsi_all.h:2096
#define SID_WBus16
Definition: scsi_all.h:2265
#define SVPD_EID_LUICLR
Definition: scsi_all.h:2549
#define RSO_SERVACTV
Definition: scsi_all.h:1539
#define SCP_RCD
Definition: scsi_all.h:791
#define SSD_KEY_ILLEGAL_REQUEST
Definition: scsi_all.h:3281
#define SSD_FULL_SIZE
Definition: scsi_all.h:3251
#define SPRO_RESERVE
Definition: scsi_all.h:399
#define WRITE_SAME_16
Definition: scsi_all.h:2129
#define SRW10_FUA
Definition: scsi_all.h:1283
#define RPL_REPORT_WELLKNOWN
Definition: scsi_all.h:2999
#define SPRO_REG_IGNO
Definition: scsi_all.h:404
#define SPRO_ACTION_MASK
Definition: scsi_all.h:407
#define SID_SPI_IUS
Definition: scsi_all.h:2283
#define SCSI_PROTO_SAS
Definition: scsi_all.h:864
#define RPL_REPORT_ALL
Definition: scsi_all.h:3000
#define RPL_LUNDATA_EXT_EAM_MASK
Definition: scsi_all.h:3020
#define SPR_TYPE_EX_AC
Definition: scsi_all.h:418
#define TPG_U_SUP
Definition: scsi_all.h:3162
#define SSD_KEY_NO_SENSE
Definition: scsi_all.h:3276
#define SLBPPD_ARMING_INC
Definition: scsi_all.h:838
#define REQUEST_SENSE
Definition: scsi_all.h:2082
#define SPRI_ALLOW_5
Definition: scsi_all.h:341
#define SPRI_TM_WR_EX
Definition: scsi_all.h:348
#define READ_12
Definition: scsi_all.h:2139
#define TPG_T_SUP
Definition: scsi_all.h:3165
#define RST_ITNRS
Definition: scsi_all.h:1597
#define RST_REPD
Definition: scsi_all.h:1578
#define SSD_KEY_DATA_PROTECT
Definition: scsi_all.h:3283
@ SSD_ELEM_NONE
Definition: scsi_all.h:3233
#define SMS_SUBPAGE_PAGE_0
Definition: scsi_all.h:209
#define RPL_REPORT_ADMIN
Definition: scsi_all.h:3001
#define SRW10_DPO
Definition: scsi_all.h:1284
#define WRITE_SAME_10
Definition: scsi_all.h:2106
#define READ_DEFECT_DATA_10
Definition: scsi_all.h:2102
#define SPR_TYPE_WR_EX_AR
Definition: scsi_all.h:422
#define T_CHANGER
Definition: scsi_all.h:2178
#define SRC16_LALBA_A
Definition: scsi_all.h:2961
#define SVPD_DEVICE_ID
Definition: scsi_all.h:2354
#define SPC2_SID_ADDR16
Definition: scsi_all.h:2249
#define RSO_OPTIONS_MASK
Definition: scsi_all.h:1511
#define SGC_F_CURRENT
Definition: scsi_cd.h:86
#define SGC_RT_CURRENT
Definition: scsi_cd.h:66
#define SGC_RT_SPECIFIC
Definition: scsi_cd.h:67
#define SGC_F_PERSISTENT
Definition: scsi_cd.h:87
#define SGESN_NEA
Definition: scsi_cd.h:110
#define SGESN_POLLED
Definition: scsi_cd.h:98
#define CD_MSF
Definition: scsi_cd.h:55
#define SGC_RT_MASK
Definition: scsi_cd.h:68
#define SMS_CDDVD_CAPS_PAGE
Definition: scsi_cd.h:802
#define SMS_RWER_AWRE
Definition: scsi_da.h:613
#define SFP_HSEC
Definition: scsi_da.h:577
#define SRDP_RPL_DISABLED
Definition: scsi_da.h:598
#define SMS_RWER_PER
Definition: scsi_da.h:618
#define SMS_RW_ERROR_RECOVERY_PAGE
Definition: scsi_da.h:610
#define SMS_RWER_LBPERE
Definition: scsi_da.h:626
#define SMS_VERIFY_ERROR_RECOVERY_PAGE
Definition: scsi_da.h:634
#define SVFY_BYTCHK
Definition: scsi_da.h:296
#define SMS_RIGID_DISK_PAGE
Definition: scsi_da.h:589
#define SMS_VER_PER
Definition: scsi_da.h:638
#define SVFY_DPO
Definition: scsi_da.h:297
#define SMS_RWER_ARRE
Definition: scsi_da.h:614
be_func_t config_read
Definition: ctl_backend.h:190
be_lunattr_t lun_attr
Definition: ctl_backend.h:194
be_luninfo_t lun_info
Definition: ctl_backend.h:193
be_ioctl_t ioctl
Definition: ctl_backend.h:192
char name[CTL_BE_NAME_LEN]
Definition: ctl_backend.h:185
be_func_t config_write
Definition: ctl_backend.h:191
be_func_t data_submit
Definition: ctl_backend.h:189
uint32_t lun_id
Definition: ctl_backend.h:160
uint16_t ublockoff
Definition: ctl_backend.h:156
uint32_t req_lun_id
Definition: ctl_backend.h:159
uint32_t blocksize
Definition: ctl_backend.h:152
uint8_t device_id[CTL_DEVID_LEN]
Definition: ctl_backend.h:162
ctl_lun_serseq serseq
Definition: ctl_backend.h:150
uint8_t serial_num[CTL_SN_LEN]
Definition: ctl_backend.h:161
uint16_t ublockexp
Definition: ctl_backend.h:155
uint8_t lun_type
Definition: ctl_backend.h:148
void * ctl_lun
Definition: ctl_backend.h:165
struct ctl_backend_driver * be
Definition: ctl_backend.h:164
uint64_t maxlba
Definition: ctl_backend.h:151
ctl_backend_lun_flags flags
Definition: ctl_backend.h:149
nvlist_t * options
Definition: ctl_backend.h:166
uint16_t pblockexp
Definition: ctl_backend.h:153
uint32_t opttxferlen
Definition: ctl_backend.h:158
uint32_t atomicblock
Definition: ctl_backend.h:157
uint16_t pblockoff
Definition: ctl_backend.h:154
Definition: ctl_private.h:132
uint8_t usage[15]
Definition: ctl_private.h:138
ctl_seridx seridx
Definition: ctl_private.h:134
ctl_cmd_flags flags
Definition: ctl_private.h:135
uint8_t length
Definition: ctl_private.h:137
ctl_lun_error_pattern pattern
Definition: ctl_private.h:136
ctl_opfunc * execute
Definition: ctl_private.h:133
uint8_t data[]
Definition: ctl_private.h:370
ctl_lun_error lun_error
Definition: ctl_ioctl.h:224
struct scsi_sense_data custom_sense
Definition: ctl_ioctl.h:228
ctl_lun_error_pattern error_pattern
Definition: ctl_ioctl.h:225
uint32_t lun_id
Definition: ctl_ioctl.h:223
uint64_t serial
Definition: ctl_ioctl.h:229
struct ctl_lba_len lba_range
Definition: ctl_ioctl.h:227
char name[CTL_DRIVER_NAME_LEN]
Definition: ctl_frontend.h:252
void(* fe_dump)(void)
Definition: ctl_frontend.h:255
fe_ioctl_t ioctl
Definition: ctl_frontend.h:254
struct ctl_io_stats * stats
Definition: ctl_ioctl.h:129
void * context
Definition: ctl_ha.h:103
uint32_t size
Definition: ctl_ha.h:106
uint8_t * remote
Definition: ctl_ha.h:108
uint8_t * local
Definition: ctl_ha.h:107
ctl_ha_dt_cb callback
Definition: ctl_ha.h:104
ctl_ha_dt_cmd command
Definition: ctl_ha.h:102
uint32_t sg_sequence
Definition: ctl_io.h:465
uint32_t kern_data_resid
Definition: ctl_io.h:473
struct ctl_sg_entry sg_list[CTL_HA_MAX_SG_ENTRIES]
Definition: ctl_io.h:477
uint8_t sg_last
Definition: ctl_io.h:466
uint32_t kern_total_len
Definition: ctl_io.h:471
uint32_t sent_sg_entries
Definition: ctl_io.h:467
uint32_t kern_data_len
Definition: ctl_io.h:470
uint32_t cur_sg_entries
Definition: ctl_io.h:468
ctl_io_flags flags
Definition: ctl_io.h:464
uint32_t kern_sg_entries
Definition: ctl_io.h:469
uint32_t kern_rel_offset
Definition: ctl_io.h:475
union ctl_io * original_sc
Definition: ctl_io.h:426
struct ctl_nexus nexus
Definition: ctl_io.h:428
union ctl_io * serializing_sc
Definition: ctl_io.h:427
ctl_msg_type msg_type
Definition: ctl_io.h:424
uint32_t status
Definition: ctl_io.h:425
uint64_t wwpn
Definition: ctl_io.h:552
uint8_t data[]
Definition: ctl_io.h:553
int name_len
Definition: ctl_io.h:551
ctl_msg_type msg_type
Definition: ctl_io.h:391
int max_init_per_port
Definition: ctl_io.h:397
uint8_t pr_res_type
Definition: ctl_io.h:534
int lun_devid_len
Definition: ctl_io.h:535
uint32_t pr_res_idx
Definition: ctl_io.h:533
unsigned int pr_generation
Definition: ctl_io.h:532
int pr_key_count
Definition: ctl_io.h:536
uint8_t data[]
Definition: ctl_io.h:537
uint16_t page_len
Definition: ctl_io.h:563
uint8_t subpage
Definition: ctl_io.h:562
uint8_t data[]
Definition: ctl_io.h:564
uint8_t page_code
Definition: ctl_io.h:561
int target_devid_len
Definition: ctl_io.h:521
int lun_map_len
Definition: ctl_io.h:519
int virtual_port
Definition: ctl_io.h:516
int init_devid_len
Definition: ctl_io.h:522
int port_devid_len
Definition: ctl_io.h:520
uint8_t data[]
Definition: ctl_io.h:523
int physical_port
Definition: ctl_io.h:515
struct ctl_pr_info pr_info
Definition: ctl_io.h:439
uint32_t kern_data_resid
Definition: ctl_io.h:495
uint8_t scsi_status
Definition: ctl_io.h:490
uint8_t cdb_len
Definition: ctl_io.h:489
struct scsi_sense_data sense_data
Definition: ctl_io.h:496
uint32_t port_status
Definition: ctl_io.h:493
uint8_t sense_len
Definition: ctl_io.h:491
uint8_t priority
Definition: ctl_io.h:492
ctl_tag_type tag_type
Definition: ctl_io.h:487
uint32_t tag_num
Definition: ctl_io.h:486
uint8_t cdb[CTL_MAX_CDBLEN]
Definition: ctl_io.h:488
uint32_t tag_num
Definition: ctl_io.h:505
ctl_tag_type tag_type
Definition: ctl_io.h:506
ctl_task_type task_action
Definition: ctl_io.h:504
int ua_set
Definition: ctl_io.h:448
uint8_t ua_info[8]
Definition: ctl_io.h:450
int ua_type
Definition: ctl_io.h:449
int ua_all
Definition: ctl_io.h:447
ctl_delay_status status
Definition: ctl_ioctl.h:98
uint32_t lun_id
Definition: ctl_ioctl.h:94
ctl_delay_location delay_loc
Definition: ctl_ioctl.h:96
ctl_delay_type delay_type
Definition: ctl_ioctl.h:95
uint32_t delay_secs
Definition: ctl_ioctl.h:97
ctl_msg_type msg_type
Definition: ctl_io.h:225
union ctl_io * remote_io
Definition: ctl_io.h:243
ctl_io_type io_type
Definition: ctl_io.h:224
struct bintime dma_start_bt
Definition: ctl_io.h:239
struct bintime start_bt
Definition: ctl_io.h:238
struct ctl_nexus nexus
Definition: ctl_io.h:226
uint32_t status
Definition: ctl_io.h:229
uint32_t num_dmas
Definition: ctl_io.h:242
struct bintime dma_bt
Definition: ctl_io.h:240
union ctl_io * blocker
Definition: ctl_io.h:244
uint32_t flags
Definition: ctl_io.h:228
time_t start_time
Definition: ctl_io.h:237
union ctl_priv ctl_private[CTL_NUM_PRIV]
Definition: ctl_io.h:246
void * pool
Definition: ctl_io.h:245
uint32_t port_status
Definition: ctl_io.h:230
char name[64]
Definition: ctl_private.h:61
struct uma_zone * zone
Definition: ctl_private.h:64
struct ctl_softc * ctl_softc
Definition: ctl_private.h:63
struct bintime dma_time[CTL_STATS_NUM_TYPES]
Definition: ctl_ioctl.h:125
uint64_t bytes[CTL_STATS_NUM_TYPES]
Definition: ctl_ioctl.h:121
uint64_t operations[CTL_STATS_NUM_TYPES]
Definition: ctl_ioctl.h:122
uint32_t item
Definition: ctl_ioctl.h:120
struct bintime time[CTL_STATS_NUM_TYPES]
Definition: ctl_ioctl.h:124
uint64_t dmas[CTL_STATS_NUM_TYPES]
Definition: ctl_ioctl.h:123
ctl_iscsi_status status
Definition: ctl_ioctl.h:749
char error_str[CTL_ERROR_STR_LEN]
Definition: ctl_ioctl.h:750
uint32_t len
Definition: ctl_io.h:126
uint32_t flags
Definition: ctl_io.h:127
uint64_t lba
Definition: ctl_io.h:125
uint64_t lba
Definition: ctl_io.h:120
uint32_t len
Definition: ctl_io.h:121
uint8_t pages_page[CTL_NUM_LOG_PAGES]
Definition: ctl_private.h:345
struct scsi_log_informational_exceptions ie_page
Definition: ctl_private.h:354
uint8_t subpages_page[CTL_NUM_LOG_PAGES *2]
Definition: ctl_private.h:346
uint8_t lbp_page[12 *CTL_NUM_LBP_PARAMS]
Definition: ctl_private.h:347
struct scsi_log_temperature temp_page[2]
Definition: ctl_private.h:353
struct ctl_page_index index[CTL_NUM_LOG_PAGES]
Definition: ctl_private.h:355
struct ctl_log_pages::stat_page stat_page
struct scsi_logical_block_provisioning_page_descr descr[CTL_NUM_LBP_THRESH]
Definition: ctl_private.h:268
ctl_delay_type datamove_type
Definition: ctl_private.h:359
uint32_t datamove_delay
Definition: ctl_private.h:360
ctl_delay_type done_type
Definition: ctl_private.h:361
char error_str[CTL_ERROR_STR_LEN]
Definition: ctl_ioctl.h:521
ctl_lun_list_status status
Definition: ctl_ioctl.h:520
uint32_t alloc_len
Definition: ctl_ioctl.h:517
uint32_t fill_len
Definition: ctl_ioctl.h:519
char * lun_xml
Definition: ctl_ioctl.h:518
uint32_t plun
Definition: ctl_ioctl.h:756
uint32_t port
Definition: ctl_ioctl.h:755
uint32_t lun
Definition: ctl_ioctl.h:757
char backend[CTL_BE_NAME_LEN]
Definition: ctl_ioctl.h:458
nvlist_t * result_nvl
Definition: ctl_ioctl.h:465
ctl_lun_status status
Definition: ctl_ioctl.h:467
size_t args_len
Definition: ctl_ioctl.h:463
size_t result_len
Definition: ctl_ioctl.h:466
ctl_lunreq_type reqtype
Definition: ctl_ioctl.h:459
nvlist_t * args_nvl
Definition: ctl_ioctl.h:462
void * args
Definition: ctl_ioctl.h:461
char error_str[CTL_ERROR_STR_LEN]
Definition: ctl_ioctl.h:468
void * result
Definition: ctl_ioctl.h:464
union ctl_lunreq_data reqdata
Definition: ctl_ioctl.h:460
uint8_t pr_res_type
Definition: ctl_private.h:411
int ie_reported
Definition: ctl_private.h:400
struct ctl_mode_pages mode_pages
Definition: ctl_private.h:403
struct callout ie_callout
Definition: ctl_private.h:402
uint8_t ie_ascq
Definition: ctl_private.h:399
uint64_t ** pr_keys
Definition: ctl_private.h:408
struct mtx lun_lock
Definition: ctl_private.h:379
struct ctl_devid * lun_devid
Definition: ctl_private.h:415
ctl_lun_flags flags
Definition: ctl_private.h:381
ctl_ua_type ** pending_ua
Definition: ctl_private.h:395
int pr_key_count
Definition: ctl_private.h:409
uint64_t error_serial
Definition: ctl_private.h:383
struct ctl_io_stats stats
Definition: ctl_private.h:405
struct ctl_lun_delay_info delay_info
Definition: ctl_private.h:387
uint64_t lun
Definition: ctl_private.h:380
struct ctl_softc * ctl_softc
Definition: ctl_private.h:384
uint32_t pr_res_idx
Definition: ctl_private.h:410
uint32_t ie_reportcnt
Definition: ctl_private.h:401
int prevent_count
Definition: ctl_private.h:412
struct scsi_sense_data ** pending_sense
Definition: ctl_private.h:394
struct ctl_be_lun * be_lun
Definition: ctl_private.h:385
uint32_t pr_generation
Definition: ctl_private.h:407
struct ctl_backend_driver * backend
Definition: ctl_private.h:386
uint8_t * write_buffer
Definition: ctl_private.h:414
uint32_t res_idx
Definition: ctl_private.h:406
struct ctl_log_pages log_pages
Definition: ctl_private.h:404
uint8_t ie_asc
Definition: ctl_private.h:398
uint32_t * prevent
Definition: ctl_private.h:413
struct scsi_info_exceptions_page ie_page[4]
Definition: ctl_private.h:309
struct scsi_control_page control_page[4]
Definition: ctl_private.h:307
struct scsi_control_ext_page control_ext_page[4]
Definition: ctl_private.h:308
struct scsi_da_verify_recovery_page verify_er_page[4]
Definition: ctl_private.h:305
struct ctl_page_index index[CTL_NUM_MODE_PAGES]
Definition: ctl_private.h:312
struct scsi_format_page format_page[4]
Definition: ctl_private.h:303
struct scsi_cddvd_capabilities_page cddvd_page[4]
Definition: ctl_private.h:311
struct scsi_caching_page caching_page[4]
Definition: ctl_private.h:306
struct scsi_da_rw_recovery_page rw_er_page[4]
Definition: ctl_private.h:302
struct scsi_rigid_disk_page rigid_disk_page[4]
Definition: ctl_private.h:304
struct ctl_logical_block_provisioning_page lbp_page[4]
Definition: ctl_private.h:310
uint16_t len_left
Definition: ctl.h:81
uint16_t len_used
Definition: ctl.h:80
uint32_t targ_mapped_lun
Definition: ctl_io.h:199
uint32_t targ_lun
Definition: ctl_io.h:198
uint32_t targ_port
Definition: ctl_io.h:197
uint32_t initid
Definition: ctl_io.h:196
Definition: ctl_ioctl.h:255
uint8_t cdb_len
Definition: ctl_ioctl.h:258
uint8_t cdb[CTL_MAX_CDBLEN]
Definition: ctl_ioctl.h:257
struct bintime start_bt
Definition: ctl_ioctl.h:261
ctl_ooa_cmd_flags cmd_flags
Definition: ctl_ioctl.h:256
uint32_t tag_num
Definition: ctl_ioctl.h:259
uint32_t lun_num
Definition: ctl_ioctl.h:260
uint32_t fill_len
Definition: ctl_ioctl.h:270
ctl_get_ooa_status status
Definition: ctl_ioctl.h:274
uint64_t lun_num
Definition: ctl_ioctl.h:266
uint32_t alloc_len
Definition: ctl_ioctl.h:267
uint32_t alloc_num
Definition: ctl_ioctl.h:268
struct ctl_ooa_entry * entries
Definition: ctl_ioctl.h:269
uint32_t fill_num
Definition: ctl_ioctl.h:271
struct bintime cur_bt
Definition: ctl_ioctl.h:273
ctl_ooa_flags flags
Definition: ctl_ioctl.h:265
uint32_t dropped_num
Definition: ctl_ioctl.h:272
ctl_modesel_handler * select_handler
Definition: ctl_private.h:252
uint16_t page_len
Definition: ctl_private.h:248
uint8_t page_code
Definition: ctl_private.h:246
ctl_modesen_handler * sense_handler
Definition: ctl_private.h:251
uint8_t * page_data
Definition: ctl_private.h:249
uint8_t subpage
Definition: ctl_private.h:247
ctl_page_flags page_flags
Definition: ctl_private.h:250
Definition: ctl.h:63
uint64_t wwnn
Definition: ctl.h:72
int32_t targ_port
Definition: ctl.h:66
uint64_t wwpn
Definition: ctl.h:73
ctl_port_type port_type
Definition: ctl.h:64
u_int flags
Definition: ctl.h:69
char * port_name
Definition: ctl_frontend.h:220
void * targ_lun_arg
Definition: ctl_frontend.h:231
uint64_t wwnn
Definition: ctl_frontend.h:238
ctl_port_type port_type
Definition: ctl_frontend.h:218
int32_t targ_port
Definition: ctl_frontend.h:234
struct ctl_frontend * frontend
Definition: ctl_frontend.h:217
lun_func_t lun_enable
Definition: ctl_frontend.h:227
port_info_func_t port_info
Definition: ctl_frontend.h:225
lun_func_t lun_disable
Definition: ctl_frontend.h:228
struct mtx port_lock
Definition: ctl_frontend.h:246
void(* fe_datamove)(union ctl_io *io)
Definition: ctl_frontend.h:232
struct ctl_devid * port_devid
Definition: ctl_frontend.h:242
struct ctl_io_stats stats
Definition: ctl_frontend.h:245
int lun_map_size
Definition: ctl_frontend.h:229
uint32_t * lun_map
Definition: ctl_frontend.h:230
struct ctl_softc * ctl_softc
Definition: ctl_frontend.h:216
struct ctl_devid * init_devid
Definition: ctl_frontend.h:244
void * onoff_arg
Definition: ctl_frontend.h:226
struct ctl_devid * target_devid
Definition: ctl_frontend.h:243
int physical_port
Definition: ctl_frontend.h:221
nvlist_t * options
Definition: ctl_frontend.h:241
ctl_port_status status
Definition: ctl_frontend.h:240
struct ctl_wwpn_iid * wwpn_iid
Definition: ctl_frontend.h:237
void(* fe_done)(union ctl_io *io)
Definition: ctl_frontend.h:233
int virtual_port
Definition: ctl_frontend.h:222
uint64_t wwpn
Definition: ctl_frontend.h:239
uint8_t sa_res_key[8]
Definition: ctl_io.h:418
uint32_t residx
Definition: ctl_io.h:420
uint8_t res_type
Definition: ctl_io.h:419
ctl_pr_action action
Definition: ctl_io.h:417
struct ctl_ha_msg_pr pr_msg
Definition: ctl_io.h:583
uint8_t * ptr
Definition: ctl_io.h:137
uint32_t flags
Definition: ctl_io.h:139
uint32_t len
Definition: ctl_io.h:138
void * args
Definition: ctl_ioctl.h:557
char driver[CTL_DRIVER_NAME_LEN]
Definition: ctl_ioctl.h:555
size_t result_len
Definition: ctl_ioctl.h:562
char error_str[CTL_ERROR_STR_LEN]
Definition: ctl_ioctl.h:564
void * result
Definition: ctl_ioctl.h:560
ctl_lun_status status
Definition: ctl_ioctl.h:563
nvlist_t * result_nvl
Definition: ctl_ioctl.h:561
nvlist_t * args_nvl
Definition: ctl_ioctl.h:558
size_t args_len
Definition: ctl_ioctl.h:559
int(* be_move_done)(union ctl_io *io, bool samethr)
Definition: ctl_io.h:336
uint32_t kern_total_len
Definition: ctl_io.h:312
uint32_t kern_sg_entries
Definition: ctl_io.h:290
struct scsi_sense_data sense_data
Definition: ctl_io.h:326
uint32_t kern_data_len
Definition: ctl_io.h:306
uint8_t priority
Definition: ctl_io.h:330
struct ctl_io_hdr io_hdr
Definition: ctl_io.h:275
uint8_t scsi_status
Definition: ctl_io.h:328
uint8_t seridx
Definition: ctl_io.h:329
int(* io_cont)(union ctl_io *io)
Definition: ctl_io.h:337
uint8_t cdb[CTL_MAX_CDBLEN]
Definition: ctl_io.h:335
uint8_t cdb_len
Definition: ctl_io.h:334
uint32_t rem_sg_entries
Definition: ctl_io.h:292
uint32_t tag_num
Definition: ctl_io.h:332
ctl_tag_type tag_type
Definition: ctl_io.h:333
uint32_t kern_data_resid
Definition: ctl_io.h:317
uint32_t kern_rel_offset
Definition: ctl_io.h:324
uint8_t * kern_data_ptr
Definition: ctl_io.h:297
uint8_t sense_len
Definition: ctl_io.h:327
Definition: ctl_io.h:184
void * addr
Definition: ctl_io.h:185
size_t len
Definition: ctl_io.h:186
struct sysctl_ctx_list sysctl_ctx
Definition: ctl_private.h:450
int is_single
Definition: ctl_private.h:443
struct ctl_lun ** ctl_luns
Definition: ctl_private.h:455
int port_min
Definition: ctl_private.h:445
struct uma_zone * io_zone
Definition: ctl_private.h:465
ctl_ha_link_state ha_link
Definition: ctl_private.h:444
uint32_t * ctl_port_mask
Definition: ctl_private.h:456
struct sysctl_oid * sysctl_tree
Definition: ctl_private.h:451
int port_max
Definition: ctl_private.h:446
ctl_ha_mode ha_mode
Definition: ctl_private.h:441
uint32_t * ctl_lun_mask
Definition: ctl_private.h:454
struct ctl_thread threads[CTL_MAX_THREADS]
Definition: ctl_private.h:468
int init_max
Definition: ctl_private.h:449
uint32_t num_ports
Definition: ctl_private.h:460
void * othersc_pool
Definition: ctl_private.h:452
struct cdev * dev
Definition: ctl_private.h:438
struct mtx ctl_lock
Definition: ctl_private.h:437
int shutdown
Definition: ctl_private.h:467
ctl_gen_flags flags
Definition: ctl_private.h:440
struct proc * ctl_proc
Definition: ctl_private.h:453
int init_min
Definition: ctl_private.h:448
struct ctl_port ** ctl_ports
Definition: ctl_private.h:462
int num_luns
Definition: ctl_private.h:439
int port_cnt
Definition: ctl_private.h:447
struct thread * thresh_thread
Definition: ctl_private.h:469
ctl_task_type task_action
Definition: ctl_io.h:375
ctl_tag_type tag_type
Definition: ctl_io.h:377
struct ctl_io_hdr io_hdr
Definition: ctl_io.h:374
uint8_t task_status
Definition: ctl_io.h:378
uint32_t tag_num
Definition: ctl_io.h:376
uint8_t task_resp[3]
Definition: ctl_io.h:379
struct ctl_softc * ctl_softc
Definition: ctl_private.h:427
struct thread * thread
Definition: ctl_private.h:428
struct mtx_padalign queue_lock
Definition: ctl_private.h:426
time_t last_use
Definition: ctl_frontend.h:90
uint64_t wwpn
Definition: ctl_frontend.h:91
uint8_t flags1
Definition: scsi_all.h:783
uint8_t page_code
Definition: scsi_all.h:780
u_int8_t queue_flags
Definition: scsi_all.h:720
u_int8_t page_code
Definition: scsi_all.h:709
uint8_t defect_list_len[4]
Definition: scsi_all.h:1004
uint8_t defect_list_len[2]
Definition: scsi_all.h:997
uint8_t page_code
Definition: scsi_da.h:564
uint8_t bytes_per_sector[2]
Definition: scsi_da.h:571
uint8_t byte2
Definition: scsi_all.h:972
uint8_t feature_code[2]
Definition: scsi_cd.h:84
uint8_t feature_data[]
Definition: scsi_cd.h:91
uint8_t current_profile[2]
Definition: scsi_cd.h:79
uint8_t data_length[4]
Definition: scsi_cd.h:77
uint8_t starting_feature[2]
Definition: scsi_cd.h:69
uint8_t rt
Definition: scsi_cd.h:64
uint8_t length[2]
Definition: scsi_cd.h:71
uint8_t length[2]
Definition: scsi_cd.h:102
struct scsi_get_lba_status_data_descr descr[]
Definition: scsi_all.h:2991
uint8_t alloc_len[4]
Definition: scsi_all.h:2974
uint8_t addr[8]
Definition: scsi_all.h:2973
u_int8_t report_count[4]
Definition: scsi_all.h:829
u_int8_t interval_timer[4]
Definition: scsi_all.h:828
char vendor[SID_VENDOR_SIZE]
Definition: scsi_all.h:2269
u_int8_t device
Definition: scsi_all.h:2205
u_int8_t additional_length
Definition: scsi_all.h:2236
u_int8_t version1[2]
Definition: scsi_all.h:2294
u_int8_t dev_qual2
Definition: scsi_all.h:2213
u_int8_t version2[2]
Definition: scsi_all.h:2295
u_int8_t spi3data
Definition: scsi_all.h:2289
char product[SID_PRODUCT_SIZE]
Definition: scsi_all.h:2271
u_int8_t spc3_flags
Definition: scsi_all.h:2240
u_int8_t flags
Definition: scsi_all.h:2260
u_int8_t version3[2]
Definition: scsi_all.h:2296
u_int8_t spc2_flags
Definition: scsi_all.h:2248
u_int8_t version
Definition: scsi_all.h:2218
u_int8_t response_format
Definition: scsi_all.h:2231
u_int8_t version4[2]
Definition: scsi_all.h:2297
char revision[SID_REVISION_SIZE]
Definition: scsi_all.h:2273
u_int8_t length[2]
Definition: scsi_all.h:182
u_int8_t page_code
Definition: scsi_all.h:181
u_int8_t byte2
Definition: scsi_all.h:178
u_int8_t subpage
Definition: scsi_all.h:625
u_int8_t datalen[2]
Definition: scsi_all.h:626
u_int8_t page
Definition: scsi_all.h:621
struct scsi_log_param_header hdr
Definition: scsi_all.h:693
u_int8_t param_control
Definition: scsi_all.h:631
u_int8_t param_code[2]
Definition: scsi_all.h:630
u_int8_t length[2]
Definition: scsi_all.h:598
u_int8_t page
Definition: scsi_all.h:573
u_int8_t subpage
Definition: scsi_all.h:594
struct scsi_log_param_header hdr
Definition: scsi_all.h:701
uint8_t length[4]
Definition: scsi_all.h:1474
uint8_t length[2]
Definition: scsi_cd.h:124
u_int8_t block_len[3]
Definition: scsi_all.h:275
u_int8_t flags
Definition: scsi_all.h:264
u_int8_t datalen[2]
Definition: scsi_all.h:261
u_int8_t dev_specific
Definition: scsi_all.h:263
u_int8_t block_descr_len[2]
Definition: scsi_all.h:267
u_int8_t datalen
Definition: scsi_all.h:253
u_int8_t dev_specific
Definition: scsi_all.h:255
u_int8_t block_descr_len
Definition: scsi_all.h:256
u_int8_t blk_desc_len[2]
Definition: scsi_all.h:3658
u_int8_t blk_desc_len
Definition: scsi_all.h:3647
u_int8_t length[2]
Definition: scsi_all.h:244
u_int8_t length
Definition: scsi_all.h:235
u_int8_t byte2
Definition: scsi_all.h:230
u_int8_t subpage
Definition: scsi_all.h:221
u_int8_t length[2]
Definition: scsi_all.h:223
u_int8_t byte2
Definition: scsi_all.h:218
u_int8_t byte2
Definition: scsi_all.h:189
u_int8_t subpage
Definition: scsi_all.h:208
u_int8_t length
Definition: scsi_all.h:211
u_int8_t page
Definition: scsi_all.h:191
uint8_t flags1
Definition: scsi_all.h:326
uint8_t flags2
Definition: scsi_all.h:332
uint8_t type_mask[2]
Definition: scsi_all.h:343
uint8_t length[2]
Definition: scsi_all.h:325
struct scsi_per_res_key res_key
Definition: scsi_all.h:376
uint8_t additional_length[4]
Definition: scsi_all.h:384
uint8_t rel_trgt_port_id[2]
Definition: scsi_all.h:383
struct scsi_per_res_in_full_desc desc[]
Definition: scsi_all.h:391
struct scsi_per_res_in_header header
Definition: scsi_all.h:390
u_int8_t generation[4]
Definition: scsi_all.h:308
u_int8_t length[4]
Definition: scsi_all.h:309
struct scsi_per_res_in_header header
Definition: scsi_all.h:319
struct scsi_per_res_key keys[0]
Definition: scsi_all.h:320
struct scsi_per_res_in_rsrv_data data
Definition: scsi_all.h:371
struct scsi_per_res_in_header header
Definition: scsi_all.h:370
u_int8_t length[2]
Definition: scsi_all.h:301
u_int8_t action
Definition: scsi_all.h:295
u_int8_t key[8]
Definition: scsi_all.h:314
struct scsi_per_res_key res_key
Definition: scsi_all.h:431
u_int8_t serv_act_res_key[8]
Definition: scsi_all.h:432
u_int8_t length[4]
Definition: scsi_all.h:425
u_int8_t scope_type
Definition: scsi_all.h:408
u_int8_t action
Definition: scsi_all.h:397
u_int8_t how
Definition: scsi_all.h:942
uint8_t offset[8]
Definition: scsi_all.h:1042
uint8_t length[4]
Definition: scsi_all.h:1043
u_int8_t length[3]
Definition: scsi_all.h:1034
u_int8_t byte2
Definition: scsi_all.h:1021
u_int8_t offset[3]
Definition: scsi_all.h:1033
uint8_t alloc_len[4]
Definition: scsi_all.h:2926
u_int8_t addr[4]
Definition: scsi_all.h:2913
uint8_t alloc_length[2]
Definition: scsi_da.h:109
uint8_t alloc_length[4]
Definition: scsi_da.h:150
uint8_t last
Definition: scsi_cd.h:250
uint8_t first
Definition: scsi_cd.h:249
uint8_t data_length[2]
Definition: scsi_cd.h:248
u_int8_t byte2
Definition: scsi_cd.h:232
u_int8_t format
Definition: scsi_cd.h:233
u_int8_t data_len[2]
Definition: scsi_cd.h:242
u_int8_t length[4]
Definition: scsi_all.h:3031
struct scsi_report_luns_lundata luns[0]
Definition: scsi_all.h:3036
uint8_t length[4]
Definition: scsi_all.h:3006
uint8_t select_report
Definition: scsi_all.h:3004
struct scsi_report_supported_opcodes_descr descr[0]
Definition: scsi_all.h:1552
uint8_t requested_service_action[2]
Definition: scsi_all.h:1517
u_int8_t byte2
Definition: scsi_all.h:122
u_int8_t length
Definition: scsi_all.h:125
uint8_t rotation_rate[2]
Definition: scsi_da.h:604
uint8_t cylinders[3]
Definition: scsi_da.h:591
u_int8_t length[2]
Definition: scsi_all.h:1288
u_int8_t addr[4]
Definition: scsi_all.h:1286
u_int8_t byte2
Definition: scsi_all.h:1285
u_int8_t byte2
Definition: scsi_all.h:1298
u_int8_t addr[4]
Definition: scsi_all.h:1299
u_int8_t length[4]
Definition: scsi_all.h:1300
u_int8_t addr[8]
Definition: scsi_all.h:1312
u_int8_t byte2
Definition: scsi_all.h:1311
u_int8_t length[4]
Definition: scsi_all.h:1313
u_int8_t addr[3]
Definition: scsi_all.h:1270
u_int8_t length
Definition: scsi_all.h:1273
uint8_t error_code
Definition: scsi_all.h:3246
uint8_t lb_count[4]
Definition: scsi_all.h:965
uint8_t begin_lba[8]
Definition: scsi_all.h:964
u_int8_t begin_lba[4]
Definition: scsi_all.h:954
u_int8_t lb_count[2]
Definition: scsi_all.h:956
u_int8_t byte2
Definition: scsi_all.h:951
struct scsi_target_port_group_descriptor groups[]
Definition: scsi_all.h:3187
struct scsi_target_port_group_descriptor groups[]
Definition: scsi_all.h:3179
struct scsi_target_port_descriptor descriptors[]
Definition: scsi_all.h:3174
uint8_t n_port_name[8]
Definition: scsi_all.h:478
uint8_t additional_length[2]
Definition: scsi_all.h:525
uint8_t sas_address[8]
Definition: scsi_all.h:537
uint8_t rel_trgt_port_id[2]
Definition: scsi_all.h:489
uint8_t scsi_addr[2]
Definition: scsi_all.h:487
uint8_t length[4]
Definition: scsi_all.h:1375
uint8_t lba[8]
Definition: scsi_all.h:1374
uint8_t desc_length[2]
Definition: scsi_all.h:1368
uint8_t length[2]
Definition: scsi_all.h:1367
uint8_t byte2
Definition: scsi_all.h:1357
uint8_t length[2]
Definition: scsi_all.h:1361
uint8_t length[2]
Definition: scsi_da.h:300
uint8_t byte2
Definition: scsi_da.h:293
uint8_t addr[4]
Definition: scsi_da.h:298
uint8_t length[4]
Definition: scsi_da.h:309
uint8_t addr[4]
Definition: scsi_da.h:308
uint8_t byte2
Definition: scsi_da.h:307
uint8_t addr[8]
Definition: scsi_da.h:318
uint8_t length[4]
Definition: scsi_da.h:319
u_int8_t max_write_same_length[8]
Definition: scsi_all.h:2878
u_int8_t max_atomic_transfer_length_with_atomic_boundary[4]
Definition: scsi_all.h:2882
u_int8_t opt_unmap_grain[4]
Definition: scsi_all.h:2876
u_int8_t max_txfer_len[4]
Definition: scsi_all.h:2871
u_int8_t max_unmap_blk_cnt[4]
Definition: scsi_all.h:2875
u_int8_t max_atomic_transfer_length[4]
Definition: scsi_all.h:2879
u_int8_t opt_txfer_len[4]
Definition: scsi_all.h:2872
u_int8_t atomic_alignment[4]
Definition: scsi_all.h:2880
u_int8_t unmap_grain_align[4]
Definition: scsi_all.h:2877
u_int8_t max_atomic_boundary_size[4]
Definition: scsi_all.h:2883
u_int8_t atomic_transfer_length_granularity[4]
Definition: scsi_all.h:2881
u_int8_t max_cmp_write_len
Definition: scsi_all.h:2869
u_int8_t max_unmap_lba_cnt[4]
Definition: scsi_all.h:2874
u_int8_t page_length[2]
Definition: scsi_all.h:2864
u_int8_t page_code
Definition: scsi_all.h:2353
u_int8_t length[2]
Definition: scsi_all.h:2358
u_int8_t desc_list[]
Definition: scsi_all.h:2359
u_int8_t identifier[]
Definition: scsi_all.h:2395
u_int8_t vendor_spec_id[0]
Definition: scsi_all.h:2401
u_int8_t vendor[8]
Definition: scsi_all.h:2400
struct scsi_vpd_mode_page_policy_descr descr[0]
Definition: scsi_all.h:2598
struct scsi_vpd_id_descriptor target_port_descriptors[0]
Definition: scsi_all.h:2621
uint8_t target_port_descriptors_length[2]
Definition: scsi_all.h:2620
uint8_t initiator_transportid_length[2]
Definition: scsi_all.h:2613
uint8_t relative_port_id[2]
Definition: scsi_all.h:2611
uint8_t initiator_transportid[0]
Definition: scsi_all.h:2614
u_int8_t page_code
Definition: scsi_all.h:2627
struct scsi_vpd_port_designation design[]
Definition: scsi_all.h:2630
u_int8_t page_length[2]
Definition: scsi_all.h:2629
uint8_t page_code
Definition: scsi_all.h:2786
uint8_t codes[]
Definition: scsi_all.h:2790
uint8_t page_length[2]
Definition: scsi_all.h:2788
uint8_t device
Definition: scsi_all.h:2785
u_int8_t serial_num[SVPD_SERIAL_NUM_SIZE]
Definition: scsi_all.h:2347
uint8_t length[2]
Definition: scsi_all.h:1324
u_int8_t offset[3]
Definition: scsi_all.h:1053
u_int8_t length[3]
Definition: scsi_all.h:1054
uint8_t addr[4]
Definition: scsi_all.h:1337
uint8_t length[2]
Definition: scsi_all.h:1339
uint8_t addr[8]
Definition: scsi_all.h:1348
uint8_t length[4]
Definition: scsi_all.h:1349
uint8_t length[2]
Definition: scsi_all.h:1388
uint8_t length[4]
Definition: scsi_all.h:1397
uint8_t length[4]
Definition: scsi_all.h:1407
struct ctl_ha_msg_mode mode
Definition: ctl_io.h:578
struct ctl_ha_msg_dt dt
Definition: ctl_io.h:571
struct ctl_ha_msg_pr pr
Definition: ctl_io.h:572
struct ctl_ha_msg_scsi scsi
Definition: ctl_io.h:570
struct ctl_ha_msg_hdr hdr
Definition: ctl_io.h:568
struct ctl_ha_msg_login login
Definition: ctl_io.h:577
struct ctl_ha_msg_lun lun
Definition: ctl_io.h:575
struct ctl_ha_msg_ua ua
Definition: ctl_io.h:573
struct ctl_ha_msg_iid iid
Definition: ctl_io.h:576
struct ctl_ha_msg_task task
Definition: ctl_io.h:569
struct ctl_ha_msg_port port
Definition: ctl_io.h:574
Definition: ctl_io.h:586
struct ctl_taskio taskio
Definition: ctl_io.h:589
struct ctl_prio presio
Definition: ctl_io.h:590
struct ctl_scsiio scsiio
Definition: ctl_io.h:588
struct ctl_io_hdr io_hdr
Definition: ctl_io.h:587
struct ctl_lun_modify_params modify
Definition: ctl_ioctl.h:425
struct ctl_modepage_header header
Definition: ctl.h:85
uint8_t bytes[sizeof(uint64_t) *2]
Definition: ctl_io.h:143