ctl_frontend_iscsi.c File Reference

#include <sys/cdefs.h>
#include <sys/param.h>
#include <sys/capsicum.h>
#include <sys/condvar.h>
#include <sys/endian.h>
#include <sys/file.h>
#include <sys/kernel.h>
#include <sys/kthread.h>
#include <sys/lock.h>
#include <sys/malloc.h>
#include <sys/module.h>
#include <sys/mutex.h>
#include <sys/queue.h>
#include <sys/sbuf.h>
#include <sys/socket.h>
#include <sys/sysctl.h>
#include <sys/systm.h>
#include <sys/uio.h>
#include <sys/unistd.h>
#include <sys/nv.h>
#include <sys/dnv.h>
#include <vm/uma.h>
#include <cam/scsi/scsi_all.h>
#include <cam/scsi/scsi_da.h>
#include <cam/ctl/ctl_io.h>
#include <cam/ctl/ctl.h>
#include <cam/ctl/ctl_backend.h>
#include <cam/ctl/ctl_error.h>
#include <cam/ctl/ctl_frontend.h>
#include <cam/ctl/ctl_debug.h>
#include <cam/ctl/ctl_ha.h>
#include <cam/ctl/ctl_ioctl.h>
#include <cam/ctl/ctl_private.h>
#include <dev/iscsi/icl.h>
#include <dev/iscsi/icl_wrappers.h>
#include <dev/iscsi/iscsi_proto.h>
#include <cam/ctl/ctl_frontend_iscsi.h>

Include dependency graph for ctl_frontend_iscsi.c:

Go to the source code of this file.

Data Structures
struct	cfiscsi_priv

Macros
#define	ISCSI_BHS_OPCODE_INTERNAL   0x3e
#define	CFISCSI_DEBUG(X, ...)
#define	CFISCSI_WARN(X, ...)
#define	CFISCSI_SESSION_DEBUG(S, X, ...)
#define	CFISCSI_SESSION_WARN(S, X, ...)
#define	CFISCSI_SESSION_LOCK(X)   mtx_lock(&X->cs_lock)
#define	CFISCSI_SESSION_UNLOCK(X)   mtx_unlock(&X->cs_lock)
#define	CFISCSI_SESSION_LOCK_ASSERT(X)   mtx_assert(&X->cs_lock, MA_OWNED)
#define	CONN_SESSION(X)   ((struct cfiscsi_session *)(X)->ic_prv0)
#define	PDU_SESSION(X)   CONN_SESSION((X)->ip_conn)
#define	PRIV(io)    ((struct cfiscsi_priv *)&(io)->io_hdr.ctl_private[CTL_PRIV_FRONTEND])
#define	PRIV_REQUEST(io)   PRIV(io)->request
#define	PRIV_EXPDATASN(io)   PRIV(io)->expdatasn
#define	PRIV_R2TSN(io)   PRIV(io)->r2tsn

Functions
	__FBSDID ("$FreeBSD$")
static	MALLOC_DEFINE (M_CFISCSI, "cfiscsi", "Memory used for CTL iSCSI frontend")
	SYSCTL_NODE (_kern_cam_ctl, OID_AUTO, iscsi, CTLFLAG_RD|CTLFLAG_MPSAFE, 0, "CAM Target Layer iSCSI Frontend")
	SYSCTL_INT (_kern_cam_ctl_iscsi, OID_AUTO, debug, CTLFLAG_RWTUN, &debug, 1, "Enable debug messages")
	SYSCTL_INT (_kern_cam_ctl_iscsi, OID_AUTO, ping_timeout, CTLFLAG_RWTUN, &ping_timeout, 5, "Interval between ping (NOP-Out) requests, in seconds")
	SYSCTL_INT (_kern_cam_ctl_iscsi, OID_AUTO, login_timeout, CTLFLAG_RWTUN, &login_timeout, 60, "Time to wait for ctld(8) to finish Login Phase, in seconds")
	SYSCTL_INT (_kern_cam_ctl_iscsi, OID_AUTO, maxtags, CTLFLAG_RWTUN, &maxtags, 0, "Max number of requests queued by initiator")
static int	cfiscsi_init (void)
static int	cfiscsi_shutdown (void)
static void	cfiscsi_online (void *arg)
static void	cfiscsi_offline (void *arg)
static int	cfiscsi_info (void *arg, struct sbuf *sb)
static int	cfiscsi_ioctl (struct cdev *dev, u_long cmd, caddr_t addr, int flag, struct thread *td)
static void	cfiscsi_datamove (union ctl_io *io)
static void	cfiscsi_datamove_in (union ctl_io *io)
static void	cfiscsi_datamove_out (union ctl_io *io)
static void	cfiscsi_done (union ctl_io *io)
static bool	cfiscsi_pdu_update_cmdsn (const struct icl_pdu *request)
static void	cfiscsi_pdu_handle_nop_out (struct icl_pdu *request)
static void	cfiscsi_pdu_handle_scsi_command (struct icl_pdu *request)
static void	cfiscsi_pdu_handle_task_request (struct icl_pdu *request)
static void	cfiscsi_pdu_handle_data_out (struct icl_pdu *request)
static void	cfiscsi_pdu_handle_logout_request (struct icl_pdu *request)
static void	cfiscsi_session_terminate (struct cfiscsi_session *cs)
static struct cfiscsi_data_wait *	cfiscsi_data_wait_new (struct cfiscsi_session *cs, union ctl_io *io, uint32_t initiator_task_tag, uint32_t *target_transfer_tagp)
static void	cfiscsi_data_wait_free (struct cfiscsi_session *cs, struct cfiscsi_data_wait *cdw)
static struct cfiscsi_target *	cfiscsi_target_find (struct cfiscsi_softc *softc, const char *name, uint16_t tag)
static struct cfiscsi_target *	cfiscsi_target_find_or_create (struct cfiscsi_softc *softc, const char *name, const char *alias, uint16_t tag)
static void	cfiscsi_target_release (struct cfiscsi_target *ct)
static void	cfiscsi_session_delete (struct cfiscsi_session *cs)
	CTL_FRONTEND_DECLARE (cfiscsi, cfiscsi_frontend)
	MODULE_DEPEND (cfiscsi, icl, 1, 1, 1)
static struct icl_pdu *	cfiscsi_pdu_new_response (struct icl_pdu *request, int flags)
static void	cfiscsi_pdu_handle (struct icl_pdu *request)
static void	cfiscsi_receive_callback (struct icl_pdu *request)
static void	cfiscsi_error_callback (struct icl_conn *ic)
static int	cfiscsi_pdu_prepare (struct icl_pdu *response)
static void	cfiscsi_pdu_queue (struct icl_pdu *response)
static void	cfiscsi_pdu_queue_cb (struct icl_pdu *response, icl_pdu_cb cb)
static bool	cfiscsi_handle_data_segment (struct icl_pdu *request, struct cfiscsi_data_wait *cdw)
static void	cfiscsi_callout (void *context)
static void	cfiscsi_data_wait_abort (struct cfiscsi_session *cs, struct cfiscsi_data_wait *cdw, int status)
static void	cfiscsi_session_terminate_tasks (struct cfiscsi_session *cs)
static void	cfiscsi_maintenance_thread (void *arg)
static int	cfiscsi_session_register_initiator (struct cfiscsi_session *cs)
static void	cfiscsi_session_unregister_initiator (struct cfiscsi_session *cs)
static struct cfiscsi_session *	cfiscsi_session_new (struct cfiscsi_softc *softc, const char *offload)
static void	cfiscsi_ioctl_handoff (struct ctl_iscsi *ci)
static void	cfiscsi_ioctl_list (struct ctl_iscsi *ci)
static void	cfiscsi_ioctl_logout (struct ctl_iscsi *ci)
static void	cfiscsi_ioctl_terminate (struct ctl_iscsi *ci)
static void	cfiscsi_ioctl_limits (struct ctl_iscsi *ci)
static void	cfiscsi_ioctl_port_create (struct ctl_req *req)
static void	cfiscsi_ioctl_port_remove (struct ctl_req *req)
static void	cfiscsi_target_hold (struct cfiscsi_target *ct)
static void	cfiscsi_pdu_done (struct icl_pdu *ip, int error)
static void	cfiscsi_scsi_command_done (union ctl_io *io)
static void	cfiscsi_task_management_done (union ctl_io *io)

Variables
static uma_zone_t	cfiscsi_data_wait_zone
static int	debug = 1
static int	ping_timeout = 5
static int	login_timeout = 60
static int	maxtags = 256
static struct cfiscsi_softc	cfiscsi_softc
static struct ctl_frontend	cfiscsi_frontend

Macro Definition Documentation

CFISCSI_DEBUG

#define CFISCSI_DEBUG	(		X,
			...
	)

Value:

        do {                                                            \
                if (debug > 1) {                                        \
                        printf("%s: " X "\n",                           \
                            __func__, ## __VA_ARGS__);                  \
                }                                                       \
        } while (0)

Definition at line 108 of file ctl_frontend_iscsi.c.

CFISCSI_SESSION_DEBUG

#define CFISCSI_SESSION_DEBUG	(		S,
			X,
			...
	)

Value:

        do {                                                            \
                if (debug > 1) {                                        \
                        printf("%s: %s (%s): " X "\n",                  \
                            __func__, S->cs_initiator_addr,             \
                            S->cs_initiator_name, ## __VA_ARGS__);      \
                }                                                       \
        } while (0)

Definition at line 124 of file ctl_frontend_iscsi.c.

CFISCSI_SESSION_LOCK

#define CFISCSI_SESSION_LOCK

(

X

)

mtx_lock(&X->cs_lock)

Definition at line 142 of file ctl_frontend_iscsi.c.

CFISCSI_SESSION_LOCK_ASSERT

#define CFISCSI_SESSION_LOCK_ASSERT

(

X

)

mtx_assert(&X->cs_lock, MA_OWNED)

Definition at line 144 of file ctl_frontend_iscsi.c.

CFISCSI_SESSION_UNLOCK

#define CFISCSI_SESSION_UNLOCK

(

X

)

mtx_unlock(&X->cs_lock)

Definition at line 143 of file ctl_frontend_iscsi.c.

CFISCSI_SESSION_WARN

#define CFISCSI_SESSION_WARN	(		S,
			X,
			...
	)

Value:

        do  {                                                           \
                if (debug > 0) {                                        \
                        printf("WARNING: %s (%s): " X "\n",             \
                            S->cs_initiator_addr,                       \
                            S->cs_initiator_name, ## __VA_ARGS__);      \
                }                                                       \
        } while (0)

Definition at line 133 of file ctl_frontend_iscsi.c.

CFISCSI_WARN

#define CFISCSI_WARN	(		X,
			...
	)

Value:

        do {                                                            \
                if (debug > 0) {                                        \
                        printf("WARNING: %s: " X "\n",                  \
                            __func__, ## __VA_ARGS__);                  \
                }                                                       \
        } while (0)

Definition at line 116 of file ctl_frontend_iscsi.c.

CONN_SESSION

#define CONN_SESSION

(

X

)

((struct cfiscsi_session *)(X)->ic_prv0)

Definition at line 146 of file ctl_frontend_iscsi.c.

ISCSI_BHS_OPCODE_INTERNAL

#define ISCSI_BHS_OPCODE_INTERNAL   0x3e

Definition at line 88 of file ctl_frontend_iscsi.c.

PDU_SESSION

#define PDU_SESSION

(

X

)

CONN_SESSION((X)->ip_conn)

Definition at line 147 of file ctl_frontend_iscsi.c.

PRIV

#define PRIV

(

io

)

((struct cfiscsi_priv *)&(io)->io_hdr.ctl_private[CTL_PRIV_FRONTEND])

Definition at line 154 of file ctl_frontend_iscsi.c.

PRIV_EXPDATASN

#define PRIV_EXPDATASN

(

io

)

PRIV(io)->expdatasn

Definition at line 157 of file ctl_frontend_iscsi.c.

PRIV_R2TSN

#define PRIV_R2TSN

(

io

)

PRIV(io)->r2tsn

Definition at line 158 of file ctl_frontend_iscsi.c.

PRIV_REQUEST

#define PRIV_REQUEST

(

io

)

PRIV(io)->request

Definition at line 156 of file ctl_frontend_iscsi.c.

Function Documentation

__FBSDID()

__FBSDID

(

"$FreeBSD$"

)

cfiscsi_callout()

static void cfiscsi_callout ( void *  context )

static

Definition at line 1005 of file ctl_frontend_iscsi.c.

References cfiscsi_pdu_queue(), cfiscsi_session_terminate(), CFISCSI_SESSION_WARN, cfiscsi_session::cs_callout, cfiscsi_session::cs_conn, cfiscsi_session::cs_terminating, cfiscsi_session::cs_timeout, login_timeout, and ping_timeout.

Referenced by cfiscsi_session_new().

Here is the call graph for this function:

Here is the caller graph for this function:

cfiscsi_data_wait_abort()

static void cfiscsi_data_wait_abort ( struct cfiscsi_session *  cs, struct cfiscsi_data_wait *  cdw, int  status  )

static

Definition at line 1115 of file ctl_frontend_iscsi.c.

References cfiscsi_data_wait::cdw_ctl_io, cfiscsi_data_wait_free(), ctl_datamove_done(), ctl_io_hdr::flags, ctl_scsiio::io_hdr, ctl_io::io_hdr, ctl_io_hdr::port_status, and ctl_io::scsiio.

Referenced by cfiscsi_datamove_out(), cfiscsi_session_terminate_tasks(), and cfiscsi_task_management_done().

Here is the call graph for this function:

Here is the caller graph for this function:

cfiscsi_data_wait_free()

static void cfiscsi_data_wait_free ( struct cfiscsi_session *  cs, struct cfiscsi_data_wait *  cdw  )

static

Definition at line 1106 of file ctl_frontend_iscsi.c.

References cfiscsi_data_wait::cdw_icl_prv, cfiscsi_data_wait_zone, and cfiscsi_session::cs_conn.

Referenced by cfiscsi_data_wait_abort(), cfiscsi_datamove_out(), and cfiscsi_pdu_handle_data_out().

Here is the caller graph for this function:

cfiscsi_data_wait_new()

static struct cfiscsi_data_wait * cfiscsi_data_wait_new ( struct cfiscsi_session *  cs, union ctl_io *  io, uint32_t  initiator_task_tag, uint32_t *  target_transfer_tagp  )

static

Definition at line 1076 of file ctl_frontend_iscsi.c.

References cfiscsi_data_wait::cdw_ctl_io, cfiscsi_data_wait::cdw_icl_prv, cfiscsi_data_wait::cdw_initiator_task_tag, cfiscsi_data_wait::cdw_target_transfer_tag, cfiscsi_data_wait_zone, CFISCSI_SESSION_WARN, cfiscsi_session::cs_conn, and PRIV_REQUEST.

Referenced by cfiscsi_datamove_out().

Here is the caller graph for this function:

cfiscsi_datamove()

static void cfiscsi_datamove ( union ctl_io *  io )

static

Definition at line 2852 of file ctl_frontend_iscsi.c.

References cfiscsi_datamove_in(), cfiscsi_datamove_out(), CTL_FLAG_DATA_IN, CTL_FLAG_DATA_MASK, ctl_scsiio::ext_data_filled, ctl_io_hdr::flags, ctl_io::io_hdr, and ctl_io::scsiio.

Referenced by cfiscsi_ioctl_port_create().

Here is the call graph for this function:

Here is the caller graph for this function:

cfiscsi_datamove_in()

static void cfiscsi_datamove_in ( union ctl_io *  io )

static

Definition at line 2460 of file ctl_frontend_iscsi.c.

References ctl_sg_entry::addr, cfiscsi_pdu_done(), cfiscsi_pdu_new_response(), cfiscsi_pdu_queue_cb(), CFISCSI_SESSION_DEBUG, cfiscsi_session_terminate(), CFISCSI_SESSION_WARN, cfiscsi_session::cs_conn, ctl_datamove_done(), CTL_FLAG_STATUS_SENT, ctl_set_busy(), CTL_SUCCESS, ctl_io_hdr::flags, ctl_io::io_hdr, ctl_scsiio::kern_data_arg, ctl_scsiio::kern_data_len, ctl_scsiio::kern_data_ptr, ctl_scsiio::kern_data_ref, ctl_scsiio::kern_data_resid, ctl_scsiio::kern_rel_offset, ctl_scsiio::kern_sg_entries, ctl_scsiio::kern_total_len, ctl_sg_entry::len, PDU_SESSION, PRIV_EXPDATASN, PRIV_REQUEST, ctl_scsiio::scsi_status, ctl_io::scsiio, and ctl_io_hdr::status.

Referenced by cfiscsi_datamove().

Here is the call graph for this function:

Here is the caller graph for this function:

cfiscsi_datamove_out()

static void cfiscsi_datamove_out ( union ctl_io *  io )

static

Definition at line 2692 of file ctl_frontend_iscsi.c.

References ctl_sg_entry::addr, cfiscsi_data_wait::cdw_ctl_io, cfiscsi_data_wait::cdw_datasn, cfiscsi_data_wait::cdw_initiator_task_tag, cfiscsi_data_wait::cdw_r2t_end, cfiscsi_data_wait::cdw_sg_addr, cfiscsi_data_wait::cdw_sg_index, cfiscsi_data_wait::cdw_sg_len, cfiscsi_data_wait::cdw_target_transfer_tag, cfiscsi_data_wait_abort(), cfiscsi_data_wait_free(), cfiscsi_data_wait_new(), cfiscsi_handle_data_segment(), cfiscsi_pdu_new_response(), cfiscsi_pdu_queue(), CFISCSI_SESSION_DEBUG, CFISCSI_SESSION_LOCK, cfiscsi_session_terminate(), CFISCSI_SESSION_UNLOCK, CFISCSI_SESSION_WARN, cfiscsi_session::cs_immediate_data, cfiscsi_session::cs_max_burst_length, cfiscsi_session::cs_target_transfer_tag, cfiscsi_session::cs_terminating_tasks, ctl_datamove_done(), CTL_FLAG_ABORT, CTL_FLAG_DMA_INPROG, ctl_set_busy(), ctl_scsiio::ext_data_filled, ctl_io_hdr::flags, ctl_io::io_hdr, ctl_scsiio::kern_data_len, ctl_scsiio::kern_data_ptr, ctl_scsiio::kern_rel_offset, ctl_scsiio::kern_sg_entries, ctl_sg_entry::len, PDU_SESSION, PRIV_R2TSN, PRIV_REQUEST, and ctl_io::scsiio.

Referenced by cfiscsi_datamove(), and cfiscsi_pdu_handle_data_out().

Here is the call graph for this function:

Here is the caller graph for this function:

cfiscsi_done()

static void cfiscsi_done ( union ctl_io *  io )

static

Definition at line 3043 of file ctl_frontend_iscsi.c.

References cfiscsi_scsi_command_done(), cfiscsi_task_management_done(), cfiscsi_session::cs_outstanding_ctl_pdus, cfiscsi_session::cs_tasks_aborted, ctl_free_io(), CTL_STATUS_MASK, CTL_STATUS_NONE, ctl_io::io_hdr, ISCSI_BHS_OPCODE_INTERNAL, PDU_SESSION, PRIV_REQUEST, and ctl_io_hdr::status.

Referenced by cfiscsi_ioctl_port_create().

Here is the call graph for this function:

Here is the caller graph for this function:

cfiscsi_error_callback()

static void cfiscsi_error_callback ( struct icl_conn *  ic )

static

Definition at line 347 of file ctl_frontend_iscsi.c.

References cfiscsi_session_terminate(), CFISCSI_SESSION_WARN, and CONN_SESSION.

Referenced by cfiscsi_session_new().

Here is the call graph for this function:

Here is the caller graph for this function:

cfiscsi_handle_data_segment()

static bool cfiscsi_handle_data_segment ( struct icl_pdu *  request, struct cfiscsi_data_wait *  cdw  )

static

Definition at line 697 of file ctl_frontend_iscsi.c.

References ctl_sg_entry::addr, cfiscsi_data_wait::cdw_ctl_io, cfiscsi_data_wait::cdw_r2t_end, cfiscsi_data_wait::cdw_sg_addr, cfiscsi_data_wait::cdw_sg_index, cfiscsi_data_wait::cdw_sg_len, cfiscsi_data_wait::cdw_target_transfer_tag, CFISCSI_SESSION_DEBUG, cfiscsi_session_terminate(), CFISCSI_SESSION_WARN, CTL_FLAG_DATA_IN, CTL_FLAG_DATA_MASK, ctl_set_data_phase_error(), ctl_scsiio::ext_data_filled, ctl_io_hdr::flags, ctl_io::io_hdr, ctl_scsiio::kern_data_len, ctl_scsiio::kern_data_ptr, ctl_scsiio::kern_data_resid, ctl_scsiio::kern_rel_offset, ctl_scsiio::kern_sg_entries, ctl_scsiio::kern_total_len, ctl_sg_entry::len, PDU_SESSION, and ctl_io::scsiio.

Referenced by cfiscsi_datamove_out(), and cfiscsi_pdu_handle_data_out().

Here is the call graph for this function:

Here is the caller graph for this function:

cfiscsi_info()

static int cfiscsi_info ( void *  arg, struct sbuf *  sb  )

static

Definition at line 1510 of file ctl_frontend_iscsi.c.

References cfiscsi_target::ct_state.

Referenced by cfiscsi_ioctl_port_create().

Here is the caller graph for this function:

cfiscsi_init()

static int cfiscsi_init ( void  )

static

Definition at line 1365 of file ctl_frontend_iscsi.c.

References cfiscsi_data_wait_zone, cfiscsi_softc, cfiscsi_softc::lock, and cfiscsi_softc::sessions_cv.

cfiscsi_ioctl()

static int cfiscsi_ioctl ( struct cdev *  dev, u_long  cmd, caddr_t  addr, int  flag, struct thread *  td  )

static

Definition at line 2285 of file ctl_frontend_iscsi.c.

References cfiscsi_ioctl_handoff(), cfiscsi_ioctl_limits(), cfiscsi_ioctl_list(), cfiscsi_ioctl_logout(), cfiscsi_ioctl_port_create(), cfiscsi_ioctl_port_remove(), cfiscsi_ioctl_terminate(), CTL_ISCSI, CTL_ISCSI_ACCEPT, CTL_ISCSI_ERROR, CTL_ISCSI_HANDOFF, CTL_ISCSI_LIMITS, CTL_ISCSI_LIST, CTL_ISCSI_LISTEN, CTL_ISCSI_LOGOUT, CTL_ISCSI_RECEIVE, CTL_ISCSI_SEND, CTL_ISCSI_TERMINATE, CTL_LUN_ERROR, CTL_PORT_REQ, CTL_REQ_CREATE, CTL_REQ_REMOVE, ctl_req::error_str, ctl_iscsi::error_str, ctl_req::reqtype, ctl_req::status, ctl_iscsi::status, and ctl_iscsi::type.

Here is the call graph for this function:

cfiscsi_ioctl_handoff()

static void cfiscsi_ioctl_handoff ( struct ctl_iscsi *  ci )

static

Definition at line 1521 of file ctl_frontend_iscsi.c.

References CFISCSI_DEBUG, cfiscsi_pdu_handle(), CFISCSI_SESSION_DEBUG, CFISCSI_SESSION_LOCK, cfiscsi_session_new(), cfiscsi_session_register_initiator(), cfiscsi_session_terminate(), CFISCSI_SESSION_UNLOCK, CFISCSI_SESSION_WARN, cfiscsi_softc, cfiscsi_target_find(), cfiscsi_target_release(), ctl_iscsi_handoff_params::cmdsn, cfiscsi_session::cs_cmdsn, cfiscsi_session::cs_conn, cfiscsi_session::cs_first_burst_length, cfiscsi_session::cs_handoff_in_progress, cfiscsi_session::cs_id, cfiscsi_session::cs_immediate_data, cfiscsi_session::cs_initiator_addr, cfiscsi_session::cs_initiator_alias, cfiscsi_session::cs_initiator_id, cfiscsi_session::cs_initiator_isid, cfiscsi_session::cs_initiator_name, cfiscsi_session::cs_max_burst_length, cfiscsi_session::cs_statsn, cfiscsi_session::cs_target, cfiscsi_session::cs_tasks_aborted, cfiscsi_session::cs_terminating, cfiscsi_target::ct_online, CTL_ISCSI_DIGEST_CRC32C, CTL_ISCSI_ERROR, CTL_ISCSI_OK, ctl_iscsi::data, ctl_iscsi_handoff_params::data_digest, ctl_iscsi::error_str, ctl_iscsi_handoff_params::first_burst_length, ctl_iscsi_handoff_params::header_digest, ctl_iscsi_handoff_params::immediate_data, ctl_iscsi_handoff_params::initiator_addr, ctl_iscsi_handoff_params::initiator_alias, ctl_iscsi_handoff_params::initiator_isid, ctl_iscsi_handoff_params::initiator_name, cfiscsi_softc::lock, ctl_iscsi_handoff_params::max_burst_length, ctl_iscsi_handoff_params::max_recv_data_segment_length, ctl_iscsi_handoff_params::max_send_data_segment_length, ctl_iscsi_handoff_params::offload, ctl_iscsi_handoff_params::portal_group_tag, ctl_iscsi_handoff_params::socket, ctl_iscsi_handoff_params::statsn, ctl_iscsi::status, and ctl_iscsi_handoff_params::target_name.

Referenced by cfiscsi_ioctl().

Here is the call graph for this function:

Here is the caller graph for this function:

cfiscsi_ioctl_limits()

static void cfiscsi_ioctl_limits ( struct ctl_iscsi *  ci )

static

Definition at line 1891 of file ctl_frontend_iscsi.c.

References CTL_ISCSI_ERROR, CTL_ISCSI_OK, ctl_iscsi::data, ctl_iscsi::error_str, ctl_iscsi_limits_params::first_burst_length, ctl_iscsi_limits_params::max_burst_length, ctl_iscsi_limits_params::max_recv_data_segment_length, ctl_iscsi_limits_params::max_send_data_segment_length, ctl_iscsi_limits_params::offload, and ctl_iscsi::status.

Referenced by cfiscsi_ioctl().

Here is the caller graph for this function:

cfiscsi_ioctl_list()

static void cfiscsi_ioctl_list ( struct ctl_iscsi *  ci )

static

Definition at line 1709 of file ctl_frontend_iscsi.c.

References ctl_iscsi_list_params::alloc_len, cfiscsi_softc, ctl_iscsi_list_params::conn_xml, cfiscsi_session::cs_conn, cfiscsi_session::cs_first_burst_length, cfiscsi_session::cs_id, cfiscsi_session::cs_immediate_data, cfiscsi_session::cs_initiator_addr, cfiscsi_session::cs_initiator_alias, cfiscsi_session::cs_initiator_name, cfiscsi_session::cs_max_burst_length, cfiscsi_session::cs_target, cfiscsi_target::ct_alias, cfiscsi_target::ct_name, cfiscsi_target::ct_tag, CTL_ISCSI_ERROR, CTL_ISCSI_LIST_NEED_MORE_SPACE, CTL_ISCSI_OK, ctl_iscsi::data, ctl_iscsi::error_str, ctl_iscsi_list_params::fill_len, cfiscsi_softc::lock, and ctl_iscsi::status.

Referenced by cfiscsi_ioctl().

Here is the caller graph for this function:

cfiscsi_ioctl_logout()

static void cfiscsi_ioctl_logout ( struct ctl_iscsi *  ci )

static

Definition at line 1792 of file ctl_frontend_iscsi.c.

References ctl_iscsi_logout_params::all, cfiscsi_pdu_queue(), cfiscsi_softc, ctl_iscsi_logout_params::connection_id, cfiscsi_session::cs_conn, cfiscsi_session::cs_id, cfiscsi_session::cs_initiator_addr, cfiscsi_session::cs_initiator_name, CTL_ISCSI_ERROR, CTL_ISCSI_OK, CTL_ISCSI_SESSION_NOT_FOUND, ctl_iscsi::data, ctl_iscsi::error_str, ctl_iscsi_logout_params::initiator_addr, ctl_iscsi_logout_params::initiator_name, cfiscsi_softc::lock, and ctl_iscsi::status.

Referenced by cfiscsi_ioctl().

Here is the call graph for this function:

Here is the caller graph for this function:

cfiscsi_ioctl_port_create()

static void cfiscsi_ioctl_port_create ( struct ctl_req *  req )

static

Definition at line 2147 of file ctl_frontend_iscsi.c.

References ctl_req::args_nvl, cfiscsi_datamove(), cfiscsi_done(), cfiscsi_frontend, cfiscsi_info(), cfiscsi_offline(), cfiscsi_online(), cfiscsi_target_find_or_create(), cfiscsi_target_release(), CFISCSI_TARGET_STATE_ACTIVE, CFISCSI_TARGET_STATE_DYING, cfiscsi_target::ct_port, cfiscsi_target::ct_state, cfiscsi_target::ct_target_id, CTL_LUN_ERROR, CTL_LUN_OK, CTL_PORT_ISCSI, ctl_port_register(), ctl_devid::data, ctl_req::error_str, ctl_port::fe_datamove, ctl_port::fe_done, ctl_port::frontend, scsi_vpd_id_descriptor::id_type, scsi_vpd_id_descriptor::identifier, ctl_devid::len, scsi_vpd_id_descriptor::length, ctl_port::num_requested_ctl_io, ctl_port::onoff_arg, ctl_port::options, ctl_port::physical_port, ctl_port::port_devid, ctl_port::port_info, ctl_port::port_name, ctl_port::port_offline, ctl_port::port_online, ctl_port::port_type, scsi_vpd_id_descriptor::proto_codeset, ctl_req::result_nvl, SCSI_PROTO_ISCSI, ctl_req::status, SVPD_ID_ASSOC_PORT, SVPD_ID_ASSOC_TARGET, SVPD_ID_CODESET_UTF8, SVPD_ID_PIV, SVPD_ID_TYPE_SCSI_NAME, ctl_port::targ_port, ctl_port::target_devid, and ctl_port::virtual_port.

Referenced by cfiscsi_ioctl().

Here is the call graph for this function:

Here is the caller graph for this function:

cfiscsi_ioctl_port_remove()

static void cfiscsi_ioctl_port_remove ( struct ctl_req *  req )

static

Definition at line 2251 of file ctl_frontend_iscsi.c.

References ctl_req::args_nvl, cfiscsi_target_find(), cfiscsi_target_release(), CFISCSI_TARGET_STATE_DYING, cfiscsi_target::ct_port, cfiscsi_target::ct_state, CTL_LUN_ERROR, CTL_LUN_OK, ctl_port_offline(), ctl_req::error_str, and ctl_req::status.

Referenced by cfiscsi_ioctl().

Here is the call graph for this function:

Here is the caller graph for this function:

cfiscsi_ioctl_terminate()

static void cfiscsi_ioctl_terminate ( struct ctl_iscsi *  ci )

static

Definition at line 1841 of file ctl_frontend_iscsi.c.

References ctl_iscsi_terminate_params::all, cfiscsi_pdu_queue(), cfiscsi_session_terminate(), cfiscsi_softc, ctl_iscsi_terminate_params::connection_id, cfiscsi_session::cs_conn, cfiscsi_session::cs_id, cfiscsi_session::cs_initiator_addr, cfiscsi_session::cs_initiator_name, CTL_ISCSI_OK, CTL_ISCSI_SESSION_NOT_FOUND, ctl_iscsi::data, ctl_iscsi::error_str, ctl_iscsi_terminate_params::initiator_addr, ctl_iscsi_terminate_params::initiator_name, cfiscsi_softc::lock, and ctl_iscsi::status.

Referenced by cfiscsi_ioctl().

Here is the call graph for this function:

Here is the caller graph for this function:

cfiscsi_maintenance_thread()

static void cfiscsi_maintenance_thread ( void *  arg )

static

Definition at line 1193 of file ctl_frontend_iscsi.c.

References CFISCSI_SESSION_DEBUG, cfiscsi_session_delete(), CFISCSI_SESSION_LOCK, cfiscsi_session_terminate_tasks(), CFISCSI_SESSION_UNLOCK, cfiscsi_session::cs_callout, cfiscsi_session::cs_conn, cfiscsi_session::cs_handoff_in_progress, cfiscsi_session::cs_lock, cfiscsi_session::cs_maintenance_cv, and cfiscsi_session::cs_terminating.

Referenced by cfiscsi_session_new().

Here is the call graph for this function:

Here is the caller graph for this function:

cfiscsi_offline()

static void cfiscsi_offline ( void *  arg )

static

Definition at line 1463 of file ctl_frontend_iscsi.c.

References CFISCSI_SESSION_DEBUG, cfiscsi_session_terminate(), cfiscsi_session::cs_target, cfiscsi_target::ct_online, cfiscsi_target::ct_softc, cfiscsi_softc::lock, cfiscsi_softc::online, and cfiscsi_softc::sessions_cv.

Referenced by cfiscsi_ioctl_port_create().

Here is the call graph for this function:

Here is the caller graph for this function:

cfiscsi_online()

static void cfiscsi_online ( void *  arg )

static

Definition at line 1435 of file ctl_frontend_iscsi.c.

References cfiscsi_target::ct_online, cfiscsi_target::ct_softc, cfiscsi_softc::lock, and cfiscsi_softc::online.

Referenced by cfiscsi_ioctl_port_create().

Here is the caller graph for this function:

cfiscsi_pdu_done()

static void cfiscsi_pdu_done ( struct icl_pdu *  ip, int  error  )

static

Definition at line 2451 of file ctl_frontend_iscsi.c.

Referenced by cfiscsi_datamove_in().

Here is the caller graph for this function:

cfiscsi_pdu_handle()

static void cfiscsi_pdu_handle ( struct icl_pdu *  request )

static

Definition at line 280 of file ctl_frontend_iscsi.c.

References cfiscsi_pdu_handle_data_out(), cfiscsi_pdu_handle_logout_request(), cfiscsi_pdu_handle_nop_out(), cfiscsi_pdu_handle_scsi_command(), cfiscsi_pdu_handle_task_request(), cfiscsi_pdu_update_cmdsn(), cfiscsi_session_terminate(), CFISCSI_SESSION_WARN, and PDU_SESSION.

Referenced by cfiscsi_ioctl_handoff(), and cfiscsi_receive_callback().

Here is the call graph for this function:

Here is the caller graph for this function:

cfiscsi_pdu_handle_data_out()

static void cfiscsi_pdu_handle_data_out ( struct icl_pdu *  request )

static

Definition at line 881 of file ctl_frontend_iscsi.c.

References cfiscsi_data_wait::cdw_ctl_io, cfiscsi_data_wait::cdw_datasn, cfiscsi_data_wait::cdw_initiator_task_tag, cfiscsi_data_wait::cdw_r2t_end, cfiscsi_data_wait::cdw_target_transfer_tag, cfiscsi_data_wait_free(), cfiscsi_datamove_out(), cfiscsi_handle_data_segment(), CFISCSI_SESSION_DEBUG, CFISCSI_SESSION_LOCK, cfiscsi_session_terminate(), CFISCSI_SESSION_UNLOCK, CFISCSI_SESSION_WARN, ctl_datamove_done(), CTL_FLAG_DATA_IN, CTL_FLAG_DATA_MASK, ctl_scsiio::ext_data_filled, ctl_io_hdr::flags, ctl_io::io_hdr, ctl_scsiio::kern_data_len, PDU_SESSION, and ctl_io::scsiio.

Referenced by cfiscsi_pdu_handle().

Here is the call graph for this function:

Here is the caller graph for this function:

cfiscsi_pdu_handle_logout_request()

static void cfiscsi_pdu_handle_logout_request ( struct icl_pdu *  request )

static

Definition at line 948 of file ctl_frontend_iscsi.c.

References cfiscsi_pdu_new_response(), cfiscsi_pdu_queue(), CFISCSI_SESSION_DEBUG, cfiscsi_session_terminate(), CFISCSI_SESSION_WARN, and PDU_SESSION.

Referenced by cfiscsi_pdu_handle().

Here is the call graph for this function:

Here is the caller graph for this function:

cfiscsi_pdu_handle_nop_out()

static void cfiscsi_pdu_handle_nop_out ( struct icl_pdu *  request )

static

Definition at line 441 of file ctl_frontend_iscsi.c.

References cfiscsi_pdu_new_response(), cfiscsi_pdu_queue(), cfiscsi_session_terminate(), CFISCSI_SESSION_WARN, and PDU_SESSION.

Referenced by cfiscsi_pdu_handle().

Here is the call graph for this function:

Here is the caller graph for this function:

cfiscsi_pdu_handle_scsi_command()

static void cfiscsi_pdu_handle_scsi_command ( struct icl_pdu *  request )

static

Definition at line 509 of file ctl_frontend_iscsi.c.

References ctl_scsiio::cdb, ctl_scsiio::cdb_len, cfiscsi_session_terminate(), CFISCSI_SESSION_WARN, cfiscsi_session::cs_ctl_initid, cfiscsi_session::cs_immediate_data, cfiscsi_session::cs_outstanding_ctl_pdus, cfiscsi_session::cs_target, cfiscsi_target::ct_port, ctl_alloc_io(), ctl_decode_lun(), ctl_free_io(), CTL_IO_SCSI, ctl_port::ctl_pool_ref, CTL_RETVAL_COMPLETE, ctl_run(), CTL_TAG_ACA, CTL_TAG_HEAD_OF_QUEUE, CTL_TAG_ORDERED, CTL_TAG_SIMPLE, CTL_TAG_UNTAGGED, ctl_zero_io(), ctl_nexus::initid, ctl_io::io_hdr, ctl_io_hdr::io_type, ctl_io_hdr::nexus, PDU_SESSION, ctl_scsiio::priority, PRIV_REQUEST, ctl_io::scsiio, ctl_scsiio::tag_num, ctl_scsiio::tag_type, ctl_nexus::targ_lun, ctl_port::targ_port, and ctl_nexus::targ_port.

Referenced by cfiscsi_pdu_handle().

Here is the call graph for this function:

Here is the caller graph for this function:

cfiscsi_pdu_handle_task_request()

static void cfiscsi_pdu_handle_task_request ( struct icl_pdu *  request )

static

Definition at line 575 of file ctl_frontend_iscsi.c.

References cfiscsi_pdu_new_response(), cfiscsi_pdu_queue(), CFISCSI_SESSION_DEBUG, cfiscsi_session_terminate(), CFISCSI_SESSION_WARN, cfiscsi_session::cs_ctl_initid, cfiscsi_session::cs_outstanding_ctl_pdus, cfiscsi_session::cs_target, cfiscsi_target::ct_port, ctl_alloc_io(), ctl_decode_lun(), ctl_free_io(), CTL_IO_TASK, ctl_port::ctl_pool_ref, CTL_RETVAL_COMPLETE, ctl_run(), CTL_TAG_SIMPLE, CTL_TASK_ABORT_TASK, CTL_TASK_ABORT_TASK_SET, CTL_TASK_CLEAR_TASK_SET, CTL_TASK_I_T_NEXUS_RESET, CTL_TASK_LUN_RESET, CTL_TASK_QUERY_ASYNC_EVENT, CTL_TASK_QUERY_TASK, CTL_TASK_QUERY_TASK_SET, CTL_TASK_TARGET_RESET, ctl_zero_io(), ctl_nexus::initid, ctl_io::io_hdr, ctl_io_hdr::io_type, ctl_io_hdr::nexus, PDU_SESSION, PRIV_REQUEST, ctl_taskio::tag_num, ctl_taskio::tag_type, ctl_nexus::targ_lun, ctl_port::targ_port, ctl_nexus::targ_port, ctl_taskio::task_action, and ctl_io::taskio.

Referenced by cfiscsi_pdu_handle().

Here is the call graph for this function:

Here is the caller graph for this function:

cfiscsi_pdu_new_response()

static struct icl_pdu * cfiscsi_pdu_new_response ( struct icl_pdu *  request, int  flags  )

static

Definition at line 205 of file ctl_frontend_iscsi.c.

Referenced by cfiscsi_datamove_in(), cfiscsi_datamove_out(), cfiscsi_pdu_handle_logout_request(), cfiscsi_pdu_handle_nop_out(), cfiscsi_pdu_handle_task_request(), cfiscsi_scsi_command_done(), and cfiscsi_task_management_done().

Here is the caller graph for this function:

cfiscsi_pdu_prepare()

static int cfiscsi_pdu_prepare ( struct icl_pdu *  response )

static

Definition at line 358 of file ctl_frontend_iscsi.c.

References CFISCSI_SESSION_LOCK_ASSERT, cfiscsi_session::cs_cmdsn, cfiscsi_session::cs_outstanding_ctl_pdus, cfiscsi_session::cs_statsn, maxtags, and PDU_SESSION.

Referenced by cfiscsi_pdu_queue(), and cfiscsi_pdu_queue_cb().

Here is the caller graph for this function:

cfiscsi_pdu_queue()

static void cfiscsi_pdu_queue ( struct icl_pdu *  response )

static

Definition at line 417 of file ctl_frontend_iscsi.c.

References cfiscsi_pdu_prepare(), CFISCSI_SESSION_LOCK, CFISCSI_SESSION_UNLOCK, and PDU_SESSION.

Referenced by cfiscsi_callout(), cfiscsi_datamove_out(), cfiscsi_ioctl_logout(), cfiscsi_ioctl_terminate(), cfiscsi_pdu_handle_logout_request(), cfiscsi_pdu_handle_nop_out(), cfiscsi_pdu_handle_task_request(), cfiscsi_scsi_command_done(), and cfiscsi_task_management_done().

Here is the call graph for this function:

Here is the caller graph for this function:

cfiscsi_pdu_queue_cb()

static void cfiscsi_pdu_queue_cb ( struct icl_pdu *  response, icl_pdu_cb  cb  )

static

Definition at line 430 of file ctl_frontend_iscsi.c.

References cfiscsi_pdu_prepare(), CFISCSI_SESSION_LOCK, CFISCSI_SESSION_UNLOCK, and PDU_SESSION.

Referenced by cfiscsi_datamove_in().

Here is the call graph for this function:

Here is the caller graph for this function:

cfiscsi_pdu_update_cmdsn()

static bool cfiscsi_pdu_update_cmdsn ( const struct icl_pdu *  request )

static

Definition at line 212 of file ctl_frontend_iscsi.c.

References cfiscsi_session_terminate(), CFISCSI_SESSION_WARN, cfiscsi_session::cs_cmdsn, cfiscsi_session::cs_timeout, maxtags, and PDU_SESSION.

Referenced by cfiscsi_pdu_handle().

Here is the call graph for this function:

Here is the caller graph for this function:

cfiscsi_receive_callback()

static void cfiscsi_receive_callback ( struct icl_pdu *  request )

static

Definition at line 327 of file ctl_frontend_iscsi.c.

References cfiscsi_pdu_handle(), and PDU_SESSION.

Referenced by cfiscsi_session_new().

Here is the call graph for this function:

Here is the caller graph for this function:

cfiscsi_scsi_command_done()

static void cfiscsi_scsi_command_done ( union ctl_io *  io )

static

Definition at line 2865 of file ctl_frontend_iscsi.c.

References cfiscsi_data_wait::cdw_initiator_task_tag, cfiscsi_pdu_new_response(), cfiscsi_pdu_queue(), CFISCSI_SESSION_DEBUG, CFISCSI_SESSION_LOCK, CFISCSI_SESSION_UNLOCK, CTL_FLAG_ABORT, CTL_FLAG_ABORT_STATUS, CTL_FLAG_STATUS_SENT, ctl_free_io(), ctl_io_hdr::flags, ctl_io::io_hdr, ctl_scsiio::kern_total_len, PDU_SESSION, PRIV_EXPDATASN, PRIV_REQUEST, ctl_scsiio::scsi_status, ctl_io::scsiio, ctl_scsiio::sense_data, and ctl_scsiio::sense_len.

Referenced by cfiscsi_done().

Here is the call graph for this function:

Here is the caller graph for this function:

cfiscsi_session_delete()

static void cfiscsi_session_delete ( struct cfiscsi_session *  cs )

static

Definition at line 1340 of file ctl_frontend_iscsi.c.

References cfiscsi_session_unregister_initiator(), cfiscsi_softc, cfiscsi_target_release(), cfiscsi_session::cs_conn, cfiscsi_session::cs_outstanding_ctl_pdus, cfiscsi_session::cs_target, cfiscsi_softc::lock, and cfiscsi_softc::sessions_cv.

Referenced by cfiscsi_maintenance_thread().

Here is the call graph for this function:

Here is the caller graph for this function:

cfiscsi_session_new()

static struct cfiscsi_session * cfiscsi_session_new ( struct cfiscsi_softc *  softc, const char *  offload  )

static

Definition at line 1282 of file ctl_frontend_iscsi.c.

References cfiscsi_callout(), cfiscsi_error_callback(), cfiscsi_maintenance_thread(), cfiscsi_receive_callback(), CFISCSI_SESSION_WARN, CFISCSI_WARN, cfiscsi_session::cs_callout, cfiscsi_session::cs_conn, cfiscsi_session::cs_ctl_initid, cfiscsi_session::cs_handoff_in_progress, cfiscsi_session::cs_id, cfiscsi_session::cs_lock, cfiscsi_session::cs_maintenance_cv, cfiscsi_session::cs_outstanding_ctl_pdus, cfiscsi_softc::last_session_id, and cfiscsi_softc::lock.

Referenced by cfiscsi_ioctl_handoff().

Here is the call graph for this function:

Here is the caller graph for this function:

cfiscsi_session_register_initiator()

static int cfiscsi_session_register_initiator ( struct cfiscsi_session *  cs )

static

Definition at line 1240 of file ctl_frontend_iscsi.c.

References CFISCSI_SESSION_DEBUG, CFISCSI_SESSION_WARN, cfiscsi_session::cs_ctl_initid, cfiscsi_session::cs_initiator_id, cfiscsi_session::cs_target, cfiscsi_target::ct_port, and ctl_add_initiator().

Referenced by cfiscsi_ioctl_handoff().

Here is the call graph for this function:

Here is the caller graph for this function:

cfiscsi_session_terminate()

static void cfiscsi_session_terminate ( struct cfiscsi_session *  cs )

static

Definition at line 1229 of file ctl_frontend_iscsi.c.

References cfiscsi_session::cs_maintenance_cv, and cfiscsi_session::cs_terminating.

Referenced by cfiscsi_callout(), cfiscsi_datamove_in(), cfiscsi_datamove_out(), cfiscsi_error_callback(), cfiscsi_handle_data_segment(), cfiscsi_ioctl_handoff(), cfiscsi_ioctl_terminate(), cfiscsi_offline(), cfiscsi_pdu_handle(), cfiscsi_pdu_handle_data_out(), cfiscsi_pdu_handle_logout_request(), cfiscsi_pdu_handle_nop_out(), cfiscsi_pdu_handle_scsi_command(), cfiscsi_pdu_handle_task_request(), cfiscsi_pdu_update_cmdsn(), and cfiscsi_task_management_done().

Here is the caller graph for this function:

cfiscsi_session_terminate_tasks()

static void cfiscsi_session_terminate_tasks ( struct cfiscsi_session *  cs )

static

Definition at line 1134 of file ctl_frontend_iscsi.c.

References cfiscsi_data_wait_abort(), CFISCSI_SESSION_LOCK, CFISCSI_SESSION_UNLOCK, CFISCSI_SESSION_WARN, cfiscsi_session::cs_conn, cfiscsi_session::cs_ctl_initid, cfiscsi_session::cs_outstanding_ctl_pdus, cfiscsi_session::cs_target, cfiscsi_session::cs_terminating_tasks, cfiscsi_target::ct_port, ctl_alloc_io(), ctl_free_io(), CTL_IO_TASK, ctl_port::ctl_pool_ref, CTL_RETVAL_COMPLETE, ctl_run(), CTL_TAG_SIMPLE, CTL_TASK_I_T_NEXUS_RESET, ctl_zero_io(), ctl_nexus::initid, ctl_io::io_hdr, ctl_io_hdr::io_type, ISCSI_BHS_OPCODE_INTERNAL, ctl_io_hdr::nexus, PRIV_REQUEST, ctl_taskio::tag_type, ctl_nexus::targ_lun, ctl_port::targ_port, ctl_nexus::targ_port, ctl_taskio::task_action, and ctl_io::taskio.

Referenced by cfiscsi_maintenance_thread().

Here is the call graph for this function:

Here is the caller graph for this function:

cfiscsi_session_unregister_initiator()

static void cfiscsi_session_unregister_initiator ( struct cfiscsi_session *  cs )

static

Definition at line 1266 of file ctl_frontend_iscsi.c.

References CFISCSI_SESSION_WARN, cfiscsi_session::cs_ctl_initid, cfiscsi_session::cs_target, cfiscsi_target::ct_port, and ctl_remove_initiator().

Referenced by cfiscsi_session_delete().

Here is the call graph for this function:

Here is the caller graph for this function:

cfiscsi_shutdown()

static int cfiscsi_shutdown ( void  )

static

Definition at line 1388 of file ctl_frontend_iscsi.c.

References cfiscsi_data_wait_zone, cfiscsi_softc, cfiscsi_softc::lock, and cfiscsi_softc::sessions_cv.

cfiscsi_target_find()

static struct cfiscsi_target * cfiscsi_target_find ( struct cfiscsi_softc *  softc, const char *  name, uint16_t  tag  )

static

Definition at line 2393 of file ctl_frontend_iscsi.c.

References cfiscsi_target_hold(), CFISCSI_TARGET_STATE_ACTIVE, cfiscsi_target::ct_name, cfiscsi_target::ct_state, cfiscsi_target::ct_tag, and cfiscsi_softc::lock.

Referenced by cfiscsi_ioctl_handoff(), and cfiscsi_ioctl_port_remove().

Here is the call graph for this function:

Here is the caller graph for this function:

cfiscsi_target_find_or_create()

static struct cfiscsi_target * cfiscsi_target_find_or_create ( struct cfiscsi_softc *  softc, const char *  name, const char *  alias, uint16_t  tag  )

static

Definition at line 2413 of file ctl_frontend_iscsi.c.

References cfiscsi_target_hold(), CFISCSI_TARGET_STATE_INVALID, cfiscsi_target::ct_alias, cfiscsi_target::ct_name, cfiscsi_target::ct_refcount, cfiscsi_target::ct_softc, cfiscsi_target::ct_state, cfiscsi_target::ct_tag, cfiscsi_target::ct_target_id, CTL_ISCSI_NAME_LEN, cfiscsi_softc::last_target_id, and cfiscsi_softc::lock.

Referenced by cfiscsi_ioctl_port_create().

Here is the call graph for this function:

Here is the caller graph for this function:

cfiscsi_target_hold()

static void cfiscsi_target_hold ( struct cfiscsi_target *  ct )

static

Definition at line 2363 of file ctl_frontend_iscsi.c.

References cfiscsi_target::ct_refcount.

Referenced by cfiscsi_target_find(), and cfiscsi_target_find_or_create().

Here is the caller graph for this function:

cfiscsi_target_release()

static void cfiscsi_target_release ( struct cfiscsi_target *  ct )

static

Definition at line 2370 of file ctl_frontend_iscsi.c.

References CFISCSI_TARGET_STATE_INVALID, cfiscsi_target::ct_port, cfiscsi_target::ct_refcount, cfiscsi_target::ct_softc, cfiscsi_target::ct_state, ctl_port_deregister(), and cfiscsi_softc::lock.

Referenced by cfiscsi_ioctl_handoff(), cfiscsi_ioctl_port_create(), cfiscsi_ioctl_port_remove(), and cfiscsi_session_delete().

Here is the call graph for this function:

Here is the caller graph for this function:

cfiscsi_task_management_done()

static void cfiscsi_task_management_done ( union ctl_io *  io )

static

Definition at line 2953 of file ctl_frontend_iscsi.c.

References cfiscsi_data_wait::cdw_initiator_task_tag, cfiscsi_data_wait_abort(), cfiscsi_pdu_new_response(), cfiscsi_pdu_queue(), CFISCSI_SESSION_DEBUG, CFISCSI_SESSION_LOCK, cfiscsi_session_terminate(), CFISCSI_SESSION_UNLOCK, cfiscsi_session::cs_target, cfiscsi_target::ct_softc, ctl_free_io(), CTL_SUCCESS, CTL_TASK_FUNCTION_COMPLETE, CTL_TASK_FUNCTION_NOT_SUPPORTED, CTL_TASK_FUNCTION_SUCCEEDED, CTL_TASK_LUN_DOES_NOT_EXIST, ctl_io::io_hdr, cfiscsi_softc::lock, PDU_SESSION, PRIV_REQUEST, ctl_io_hdr::status, ctl_taskio::task_resp, ctl_taskio::task_status, and ctl_io::taskio.

Referenced by cfiscsi_done().

Here is the call graph for this function:

Here is the caller graph for this function:

CTL_FRONTEND_DECLARE()

CTL_FRONTEND_DECLARE	(	cfiscsi	,
		cfiscsi_frontend
	)

MALLOC_DEFINE()

static MALLOC_DEFINE ( M_CFISCSI  , "cfiscsi"  , "Memory used for CTL iSCSI frontend"    )

static

MODULE_DEPEND()

MODULE_DEPEND	(	cfiscsi	,
		icl	,
		1	,
		1	,
		1
	)

SYSCTL_INT() [1/4]

SYSCTL_INT	(	_kern_cam_ctl_iscsi	,
		OID_AUTO	,
		debug	,
		CTLFLAG_RWTUN	,
		&	debug,
		1	,
		"Enable debug messages"
	)

SYSCTL_INT() [2/4]

SYSCTL_INT	(	_kern_cam_ctl_iscsi	,
		OID_AUTO	,
		login_timeout	,
		CTLFLAG_RWTUN	,
		&	login_timeout,
		60	,
		"Time to wait for ctld(8) to finish Login	Phase,
		in seconds"
	)

SYSCTL_INT() [3/4]

SYSCTL_INT	(	_kern_cam_ctl_iscsi	,
		OID_AUTO	,
		maxtags	,
		CTLFLAG_RWTUN	,
		&	maxtags,
		0	,
		"Max number of requests queued by initiator"
	)

SYSCTL_INT() [4/4]

SYSCTL_INT	(	_kern_cam_ctl_iscsi	,
		OID_AUTO	,
		ping_timeout	,
		CTLFLAG_RWTUN	,
		&	ping_timeout,
		5	,
		"Interval between ping (NOP-Out)	requests,
		in seconds"
	)

SYSCTL_NODE()

SYSCTL_NODE	(	_kern_cam_ctl	,
		OID_AUTO	,
		iscsi	,
		CTLFLAG_RD|	CTLFLAG_MPSAFE,
		0	,
		"CAM Target Layer iSCSI Frontend"
	)

Variable Documentation

cfiscsi_data_wait_zone

uma_zone_t cfiscsi_data_wait_zone

static

Definition at line 91 of file ctl_frontend_iscsi.c.

Referenced by cfiscsi_data_wait_free(), cfiscsi_data_wait_new(), cfiscsi_init(), and cfiscsi_shutdown().

cfiscsi_frontend

struct ctl_frontend cfiscsi_frontend

static

Initial value:

=
{
        .name = "iscsi",
        .init = cfiscsi_init,
        .ioctl = cfiscsi_ioctl,
        .shutdown = cfiscsi_shutdown,
}

Definition at line 194 of file ctl_frontend_iscsi.c.

Referenced by cfiscsi_ioctl_port_create().

cfiscsi_softc

struct cfiscsi_softc cfiscsi_softc

static

Definition at line 192 of file ctl_frontend_iscsi.c.

Referenced by cfiscsi_init(), cfiscsi_ioctl_handoff(), cfiscsi_ioctl_list(), cfiscsi_ioctl_logout(), cfiscsi_ioctl_terminate(), cfiscsi_session_delete(), and cfiscsi_shutdown().

debug

int debug = 1

static

Definition at line 95 of file ctl_frontend_iscsi.c.

login_timeout

int login_timeout = 60

static

Definition at line 101 of file ctl_frontend_iscsi.c.

Referenced by cfiscsi_callout().

maxtags

int maxtags = 256

static

Definition at line 104 of file ctl_frontend_iscsi.c.

Referenced by cfiscsi_pdu_prepare(), and cfiscsi_pdu_update_cmdsn().

ping_timeout

int ping_timeout = 5

static

Definition at line 98 of file ctl_frontend_iscsi.c.

Referenced by cfiscsi_callout().