scsi_all.h

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/*-
 * Largely written by Julian Elischer (julian@tfs.com)
 * for TRW Financial Systems.
 *
 * TRW Financial Systems, in accordance with their agreement with Carnegie
 * Mellon University, makes this software available to CMU to distribute
 * or use in any manner that they see fit as long as this message is kept with
 * the software. For this reason TFS also grants any other persons or
 * organisations permission to use or modify this software.
 *
 * TFS supplies this software to be publicly redistributed
 * on the understanding that TFS is not responsible for the correct
 * functioning of this software in any circumstances.
 *
 * Ported to run under 386BSD by Julian Elischer (julian@tfs.com) Sept 1992
 *
 * $FreeBSD$
 */
 
/*
 * SCSI general  interface description
 */
 
#ifndef _SCSI_SCSI_ALL_H
#define _SCSI_SCSI_ALL_H 1
 
#include <sys/cdefs.h>
#ifdef _KERNEL
#include <machine/stdarg.h>
#else
#include <stdarg.h>
#endif
 
#ifdef _KERNEL
/*
 * This is the number of seconds we wait for devices to settle after a SCSI
 * bus reset.
 */
extern int scsi_delay;
#endif /* _KERNEL */
 
/*
 * SCSI command format
 */
 
/*
 * Define dome bits that are in ALL (or a lot of) scsi commands
 */
#define SCSI_CTL_LINK           0x01
#define SCSI_CTL_FLAG           0x02
#define SCSI_CTL_VENDOR         0xC0
#define SCSI_CMD_LUN            0xA0    /* these two should not be needed */
#define SCSI_CMD_LUN_SHIFT      5       /* LUN in the cmd is no longer SCSI */
 
#define SCSI_MAX_CDBLEN         16      /* 
                                         * 16 byte commands are in the 
                                         * SCSI-3 spec 
                                         */
#if defined(CAM_MAX_CDBLEN) && (CAM_MAX_CDBLEN < SCSI_MAX_CDBLEN)
#error "CAM_MAX_CDBLEN cannot be less than SCSI_MAX_CDBLEN"
#endif
 
/* 6byte CDBs special case 0 length to be 256 */
#define SCSI_CDB6_LEN(len)      ((len) == 0 ? 256 : len)
 
/*
 * This type defines actions to be taken when a particular sense code is
 * received.  Right now, these flags are only defined to take up 16 bits,
 * but can be expanded in the future if necessary.
 */
typedef enum {
        SS_NOP      = 0x000000, /* Do nothing */
        SS_RETRY    = 0x010000, /* Retry the command */
        SS_FAIL     = 0x020000, /* Bail out */
        SS_START    = 0x030000, /* Send a Start Unit command to the device,
                                 * then retry the original command.
                                 */
        SS_TUR      = 0x040000, /* Send a Test Unit Ready command to the
                                 * device, then retry the original command.
                                 */
        SS_MASK     = 0xff0000
} scsi_sense_action;
 
typedef enum {
        SSQ_NONE                = 0x0000,
        SSQ_DECREMENT_COUNT     = 0x0100,  /* Decrement the retry count */
        SSQ_MANY                = 0x0200,  /* send lots of recovery commands */
        SSQ_RANGE               = 0x0400,  /*
                                            * This table entry represents the
                                            * end of a range of ASCQs that
                                            * have identical error actions
                                            * and text.
                                            */
        SSQ_PRINT_SENSE         = 0x0800,
        SSQ_UA                  = 0x1000,  /* Broadcast UA. */
        SSQ_RESCAN              = 0x2000,  /* Rescan target for LUNs. */
        SSQ_LOST                = 0x4000,  /* Destroy the LUNs. */
        SSQ_MASK                = 0xff00
} scsi_sense_action_qualifier;
 
/* Mask for error status values */
#define SS_ERRMASK      0xff
 
/* The default, retyable, error action */
#define SS_RDEF         SS_RETRY|SSQ_DECREMENT_COUNT|SSQ_PRINT_SENSE|EIO
 
/* The retyable, error action, with table specified error code */
#define SS_RET          SS_RETRY|SSQ_DECREMENT_COUNT|SSQ_PRINT_SENSE
 
/* Wait for transient error status to change */
#define SS_WAIT         SS_TUR|SSQ_MANY|SSQ_DECREMENT_COUNT|SSQ_PRINT_SENSE
 
/* Fatal error action, with table specified error code */
#define SS_FATAL        SS_FAIL|SSQ_PRINT_SENSE
 
struct scsi_generic
{
        u_int8_t opcode;
        u_int8_t bytes[11];
};
 
struct scsi_request_sense
{
        u_int8_t opcode;
        u_int8_t byte2;
#define SRS_DESC        0x01
        u_int8_t unused[2];
        u_int8_t length;
        u_int8_t control;
};
 
struct scsi_test_unit_ready
{
        u_int8_t opcode;
        u_int8_t byte2;
        u_int8_t unused[3];
        u_int8_t control;
};
 
struct scsi_receive_diag {
        uint8_t opcode;
        uint8_t byte2;
#define SRD_PCV         0x01
        uint8_t page_code;
        uint8_t length[2]; 
        uint8_t control;
};
 
struct scsi_send_diag {
        uint8_t opcode;
        uint8_t byte2;
#define SSD_UNITOFFL                            0x01
#define SSD_DEVOFFL                             0x02
#define SSD_SELFTEST                            0x04
#define SSD_PF                                  0x10
#define SSD_SELF_TEST_CODE_MASK                 0xE0
#define SSD_SELF_TEST_CODE_SHIFT                5
#define         SSD_SELF_TEST_CODE_NONE         0x00
#define         SSD_SELF_TEST_CODE_BG_SHORT     0x01
#define         SSD_SELF_TEST_CODE_BG_EXTENDED  0x02
#define         SSD_SELF_TEST_CODE_BG_ABORT     0x04
#define         SSD_SELF_TEST_CODE_FG_SHORT     0x05
#define         SSD_SELF_TEST_CODE_FG_EXTENDED  0x06
        uint8_t reserved;
        uint8_t length[2];
        uint8_t control;
};
 
struct scsi_sense
{
        u_int8_t opcode;
        u_int8_t byte2;
        u_int8_t unused[2];
        u_int8_t length;
        u_int8_t control;
};
 
struct scsi_inquiry
{
        u_int8_t opcode;
        u_int8_t byte2;
#define SI_EVPD         0x01
#define SI_CMDDT        0x02
        u_int8_t page_code;
        u_int8_t length[2];
        u_int8_t control;
};
 
struct scsi_mode_sense_6
{
        u_int8_t opcode;
        u_int8_t byte2;
#define SMS_DBD                         0x08
        u_int8_t page;
#define SMS_PAGE_CODE                   0x3F
#define SMS_VENDOR_SPECIFIC_PAGE        0x00
#define SMS_DISCONNECT_RECONNECT_PAGE   0x02
#define SMS_FORMAT_DEVICE_PAGE          0x03
#define SMS_GEOMETRY_PAGE               0x04
#define SMS_CACHE_PAGE                  0x08
#define SMS_PERIPHERAL_DEVICE_PAGE      0x09
#define SMS_CONTROL_MODE_PAGE           0x0A
#define SMS_PROTO_SPECIFIC_PAGE         0x19
#define SMS_INFO_EXCEPTIONS_PAGE        0x1C
#define SMS_ALL_PAGES_PAGE              0x3F
#define SMS_PAGE_CTRL_MASK              0xC0
#define SMS_PAGE_CTRL_CURRENT           0x00
#define SMS_PAGE_CTRL_CHANGEABLE        0x40
#define SMS_PAGE_CTRL_DEFAULT           0x80
#define SMS_PAGE_CTRL_SAVED             0xC0
        u_int8_t subpage;
#define SMS_SUBPAGE_PAGE_0              0x00
#define SMS_SUBPAGE_ALL                 0xff
        u_int8_t length;
        u_int8_t control;
};
 
struct scsi_mode_sense_10
{
        u_int8_t opcode;
        u_int8_t byte2;         /* same bits as small version */
#define SMS10_LLBAA                     0x10
        u_int8_t page;          /* same bits as small version */
        u_int8_t subpage;
        u_int8_t unused[3];
        u_int8_t length[2];
        u_int8_t control;
};
 
struct scsi_mode_select_6
{
        u_int8_t opcode;
        u_int8_t byte2;
#define SMS_SP  0x01
#define SMS_RTD 0x02
#define SMS_PF  0x10
        u_int8_t unused[2];
        u_int8_t length;
        u_int8_t control;
};
 
struct scsi_mode_select_10
{
        u_int8_t opcode;
        u_int8_t byte2;         /* same bits as small version */
        u_int8_t unused[5];
        u_int8_t length[2];
        u_int8_t control;
};
 
/*
 * When sending a mode select to a tape drive, the medium type must be 0.
 */
struct scsi_mode_hdr_6
{
        u_int8_t datalen;
        u_int8_t medium_type;
        u_int8_t dev_specific;
        u_int8_t block_descr_len;
};
 
struct scsi_mode_hdr_10
{
        u_int8_t datalen[2];
        u_int8_t medium_type;
        u_int8_t dev_specific;
        u_int8_t flags;
#define SMH_LONGLBA     0x01
        u_int8_t reserved;
        u_int8_t block_descr_len[2];
};
 
struct scsi_mode_block_descr
{
        u_int8_t density_code;
        u_int8_t num_blocks[3];
        u_int8_t reserved;
        u_int8_t block_len[3];
};
 
struct scsi_mode_block_descr_dshort
{
        u_int8_t num_blocks[4];
        u_int8_t reserved;
        u_int8_t block_len[3];
};
 
struct scsi_mode_block_descr_dlong
{
        u_int8_t num_blocks[8];
        u_int8_t reserved[4];
        u_int8_t block_len[4];
};
 
struct scsi_per_res_in
{
        u_int8_t opcode;
        u_int8_t action;
#define SPRI_RK 0x00
#define SPRI_RR 0x01
#define SPRI_RC 0x02
#define SPRI_RS 0x03
        u_int8_t reserved[5];
        u_int8_t length[2];
#define SPRI_MAX_LEN            0xffff
        u_int8_t control;
};
 
struct scsi_per_res_in_header
{
        u_int8_t generation[4];
        u_int8_t length[4];
};
 
struct scsi_per_res_key
{
        u_int8_t key[8];
};
 
struct scsi_per_res_in_keys
{
        struct scsi_per_res_in_header header;
        struct scsi_per_res_key keys[0];
};
 
struct scsi_per_res_cap
{
        uint8_t length[2];
        uint8_t flags1;
#define SPRI_RLR_C              0x80
#define SPRI_CRH                0x10
#define SPRI_SIP_C              0x08
#define SPRI_ATP_C              0x04
#define SPRI_PTPL_C             0x01
        uint8_t flags2;
#define SPRI_TMV                0x80
#define SPRI_ALLOW_CMD_MASK     0x70
#define SPRI_ALLOW_CMD_SHIFT    4
#define SPRI_ALLOW_NA           0x00
#define SPRI_ALLOW_1            0x10
#define SPRI_ALLOW_2            0x20
#define SPRI_ALLOW_3            0x30
#define SPRI_ALLOW_4            0x40
#define SPRI_ALLOW_5            0x50
#define SPRI_PTPL_A             0x01
        uint8_t type_mask[2];
#define SPRI_TM_WR_EX_AR        0x8000
#define SPRI_TM_EX_AC_RO        0x4000
#define SPRI_TM_WR_EX_RO        0x2000
#define SPRI_TM_EX_AC           0x0800
#define SPRI_TM_WR_EX           0x0200
#define SPRI_TM_EX_AC_AR        0x0001
        uint8_t reserved[2];
};
 
struct scsi_per_res_in_rsrv_data
{
        uint8_t reservation[8];
        uint8_t scope_addr[4];
        uint8_t reserved;
        uint8_t scopetype;
#define SPRT_WE    0x01
#define SPRT_EA    0x03
#define SPRT_WERO  0x05
#define SPRT_EARO  0x06
#define SPRT_WEAR  0x07
#define SPRT_EAAR  0x08
        uint8_t extent_length[2];
};
 
struct scsi_per_res_in_rsrv
{
        struct scsi_per_res_in_header header;
        struct scsi_per_res_in_rsrv_data data;
};
 
struct scsi_per_res_in_full_desc
{
        struct scsi_per_res_key res_key;
        uint8_t reserved1[4];
        uint8_t flags;
#define SPRI_FULL_ALL_TG_PT     0x02
#define SPRI_FULL_R_HOLDER      0x01
        uint8_t scopetype;
        uint8_t reserved2[4];
        uint8_t rel_trgt_port_id[2];
        uint8_t additional_length[4];
        uint8_t transport_id[];
};
 
struct scsi_per_res_in_full
{
        struct scsi_per_res_in_header header;
        struct scsi_per_res_in_full_desc desc[];
};
 
struct scsi_per_res_out
{
        u_int8_t opcode;
        u_int8_t action;
#define SPRO_REGISTER           0x00
#define SPRO_RESERVE            0x01
#define SPRO_RELEASE            0x02
#define SPRO_CLEAR              0x03
#define SPRO_PREEMPT            0x04
#define SPRO_PRE_ABO            0x05
#define SPRO_REG_IGNO           0x06
#define SPRO_REG_MOVE           0x07
#define SPRO_REPL_LOST_RES      0x08
#define SPRO_ACTION_MASK        0x1f
        u_int8_t scope_type;
#define SPR_SCOPE_MASK          0xf0
#define SPR_SCOPE_SHIFT         4
#define SPR_LU_SCOPE            0x00
#define SPR_EXTENT_SCOPE        0x10
#define SPR_ELEMENT_SCOPE       0x20
#define SPR_TYPE_MASK           0x0f
#define SPR_TYPE_RD_SHARED      0x00
#define SPR_TYPE_WR_EX          0x01
#define SPR_TYPE_RD_EX          0x02
#define SPR_TYPE_EX_AC          0x03
#define SPR_TYPE_SHARED         0x04
#define SPR_TYPE_WR_EX_RO       0x05
#define SPR_TYPE_EX_AC_RO       0x06
#define SPR_TYPE_WR_EX_AR       0x07
#define SPR_TYPE_EX_AC_AR       0x08
        u_int8_t reserved[2];
        u_int8_t length[4];
        u_int8_t control;
};
 
struct scsi_per_res_out_parms
{
        struct scsi_per_res_key res_key;
        u_int8_t serv_act_res_key[8];
        u_int8_t scope_spec_address[4];
        u_int8_t flags;
#define SPR_SPEC_I_PT           0x08
#define SPR_ALL_TG_PT           0x04
#define SPR_APTPL               0x01
        u_int8_t reserved1;
        u_int8_t extent_length[2];
        u_int8_t transport_id_list[];
};
 
struct scsi_per_res_out_trans_ids {
        u_int8_t additional_length[4];
        u_int8_t transport_ids[];
};
 
/*
 * Used with REGISTER AND MOVE serivce action of the PERSISTENT RESERVE OUT
 * command.
 */
struct scsi_per_res_reg_move
{
        struct scsi_per_res_key res_key;
        u_int8_t serv_act_res_key[8];
        u_int8_t reserved;
        u_int8_t flags;
#define SPR_REG_MOVE_UNREG      0x02
#define SPR_REG_MOVE_APTPL      0x01
        u_int8_t rel_trgt_port_id[2];
        u_int8_t transport_id_length[4];
        u_int8_t transport_id[];
};
 
struct scsi_transportid_header
{
        uint8_t format_protocol;
#define SCSI_TRN_FORMAT_MASK            0xc0
#define SCSI_TRN_FORMAT_SHIFT           6
#define SCSI_TRN_PROTO_MASK             0x0f
};
 
struct scsi_transportid_fcp
{
        uint8_t format_protocol;
#define SCSI_TRN_FCP_FORMAT_DEFAULT     0x00
        uint8_t reserved1[7];
        uint8_t n_port_name[8];
        uint8_t reserved2[8];
};
 
struct scsi_transportid_spi
{
        uint8_t format_protocol;
#define SCSI_TRN_SPI_FORMAT_DEFAULT     0x00
        uint8_t reserved1;
        uint8_t scsi_addr[2];
        uint8_t obsolete[2];
        uint8_t rel_trgt_port_id[2];
        uint8_t reserved2[16];
};
 
struct scsi_transportid_1394
{
        uint8_t format_protocol;
#define SCSI_TRN_1394_FORMAT_DEFAULT    0x00
        uint8_t reserved1[7];
        uint8_t eui64[8];
        uint8_t reserved2[8];
};
 
struct scsi_transportid_rdma
{
        uint8_t format_protocol;
#define SCSI_TRN_RDMA_FORMAT_DEFAULT    0x00
        uint8_t reserved[7];
#define SCSI_TRN_RDMA_PORT_LEN          16
        uint8_t initiator_port_id[SCSI_TRN_RDMA_PORT_LEN];
};
 
struct scsi_transportid_iscsi_device
{
        uint8_t format_protocol;
#define SCSI_TRN_ISCSI_FORMAT_DEVICE    0x00
        uint8_t reserved;
        uint8_t additional_length[2];
        uint8_t iscsi_name[];
};
 
struct scsi_transportid_iscsi_port
{
        uint8_t format_protocol;
#define SCSI_TRN_ISCSI_FORMAT_PORT      0x40
        uint8_t reserved;
        uint8_t additional_length[2];
        uint8_t iscsi_name[];
        /*
         * Followed by a separator and iSCSI initiator session ID
         */
};
 
struct scsi_transportid_sas
{
        uint8_t format_protocol;
#define SCSI_TRN_SAS_FORMAT_DEFAULT     0x00
        uint8_t reserved1[3];
        uint8_t sas_address[8];
        uint8_t reserved2[12];
};
 
struct scsi_sop_routing_id_norm {
        uint8_t bus;
        uint8_t devfunc;
#define SCSI_TRN_SOP_BUS_MAX            0xff
#define SCSI_TRN_SOP_DEV_MAX            0x1f
#define SCSI_TRN_SOP_DEV_MASK           0xf8
#define SCSI_TRN_SOP_DEV_SHIFT          3
#define SCSI_TRN_SOP_FUNC_NORM_MASK     0x07
#define SCSI_TRN_SOP_FUNC_NORM_MAX      0x07
};
 
struct scsi_sop_routing_id_alt {
        uint8_t bus;
        uint8_t function;
#define SCSI_TRN_SOP_FUNC_ALT_MAX       0xff
};
 
struct scsi_transportid_sop
{
        uint8_t format_protocol;
#define SCSI_TRN_SOP_FORMAT_DEFAULT     0x00
        uint8_t reserved1;
        uint8_t routing_id[2];
        uint8_t reserved2[20];
};
 
struct scsi_log_sense
{
        u_int8_t opcode;
        u_int8_t byte2;
#define SLS_SP                          0x01
#define SLS_PPC                         0x02
        u_int8_t page;
#define SLS_PAGE_CODE                   0x3F
#define SLS_SUPPORTED_PAGES_PAGE        0x00
#define SLS_OVERRUN_PAGE                0x01
#define SLS_ERROR_WRITE_PAGE            0x02
#define SLS_ERROR_READ_PAGE             0x03
#define SLS_ERROR_READREVERSE_PAGE      0x04
#define SLS_ERROR_VERIFY_PAGE           0x05
#define SLS_ERROR_NONMEDIUM_PAGE        0x06
#define SLS_ERROR_LASTN_PAGE            0x07
#define SLS_LOGICAL_BLOCK_PROVISIONING  0x0c
#define SLS_TEMPERATURE                 0x0d
#define SLS_SELF_TEST_PAGE              0x10
#define SLS_SOLID_STATE_MEDIA           0x11
#define SLS_STAT_AND_PERF               0x19
#define SLS_IE_PAGE                     0x2f
#define SLS_PAGE_CTRL_MASK              0xC0
#define SLS_PAGE_CTRL_THRESHOLD         0x00
#define SLS_PAGE_CTRL_CUMULATIVE        0x40
#define SLS_PAGE_CTRL_THRESH_DEFAULT    0x80
#define SLS_PAGE_CTRL_CUMUL_DEFAULT     0xC0
        u_int8_t subpage;
#define SLS_SUPPORTED_SUBPAGES_SUBPAGE  0xff
        u_int8_t reserved;
        u_int8_t paramptr[2];
        u_int8_t length[2];
        u_int8_t control;
};
 
struct scsi_log_select
{
        u_int8_t opcode;
        u_int8_t byte2;
/*      SLS_SP                          0x01 */
#define SLS_PCR                         0x02
        u_int8_t page;
/*      SLS_PAGE_CTRL_MASK              0xC0 */
/*      SLS_PAGE_CTRL_THRESHOLD         0x00 */
/*      SLS_PAGE_CTRL_CUMULATIVE        0x40 */
/*      SLS_PAGE_CTRL_THRESH_DEFAULT    0x80 */
/*      SLS_PAGE_CTRL_CUMUL_DEFAULT     0xC0 */
        u_int8_t reserved[4];
        u_int8_t length[2];
        u_int8_t control;
};
 
struct scsi_log_header
{
        u_int8_t page;
#define SL_PAGE_CODE                    0x3F
#define SL_SPF                          0x40
#define SL_DS                           0x80
        u_int8_t subpage;
        u_int8_t datalen[2];
};
 
struct scsi_log_param_header {
        u_int8_t param_code[2];
        u_int8_t param_control;
#define SLP_LP                          0x01
#define SLP_LBIN                        0x02
#define SLP_TMC_MASK                    0x0C
#define SLP_TMC_ALWAYS                  0x00
#define SLP_TMC_EQUAL                   0x04
#define SLP_TMC_NOTEQUAL                0x08
#define SLP_TMC_GREATER                 0x0C
#define SLP_ETC                         0x10
#define SLP_TSD                         0x20
#define SLP_DS                          0x40
#define SLP_DU                          0x80
        u_int8_t param_len;
};
 
struct scsi_log_media_pct_used {
        struct scsi_log_param_header hdr;
#define SLP_SS_MEDIA_PCT_USED           0x0001
        uint8_t reserved[3];
        uint8_t pct_used;
};
 
struct scsi_log_stat_and_perf {
        struct scsi_log_param_header hdr;
#define SLP_SAP                         0x0001
        uint8_t read_num[8];
        uint8_t write_num[8];
        uint8_t recvieved_lba[8];
        uint8_t transmitted_lba[8];
        uint8_t read_int[8];
        uint8_t write_int[8];
        uint8_t weighted_num[8];
        uint8_t weighted_int[8];
};
 
struct scsi_log_idle_time {
        struct scsi_log_param_header hdr;
#define SLP_IT                          0x0002
        uint8_t idle_int[8];
};
 
struct scsi_log_time_interval {
        struct scsi_log_param_header hdr;
#define SLP_TI                          0x0003
        uint8_t exponent[4];
        uint8_t integer[4];
};
 
struct scsi_log_fua_stat_and_perf {
        struct scsi_log_param_header hdr;
#define SLP_FUA_SAP                     0x0004
        uint8_t fua_read_num[8];
        uint8_t fua_write_num[8];
        uint8_t fuanv_read_num[8];
        uint8_t fuanv_write_num[8];
        uint8_t fua_read_int[8];
        uint8_t fua_write_int[8];
        uint8_t fuanv_read_int[8];
        uint8_t fuanv_write_int[8];
};
 
struct scsi_log_informational_exceptions {
        struct scsi_log_param_header hdr;
#define SLP_IE_GEN                      0x0000
        uint8_t ie_asc;
        uint8_t ie_ascq;
        uint8_t temperature;
};
 
struct scsi_log_temperature {
        struct scsi_log_param_header hdr;
#define SLP_TEMPERATURE                 0x0000
#define SLP_REFTEMPERATURE              0x0001
        uint8_t reserved;
        uint8_t temperature;
};
 
struct scsi_control_page {
        u_int8_t page_code;
        u_int8_t page_length;
        u_int8_t rlec;
#define SCP_RLEC                        0x01    /*Report Log Exception Cond*/
#define SCP_GLTSD                       0x02    /*Global Logging target
                                                  save disable */
#define SCP_DSENSE                      0x04    /*Descriptor Sense */
#define SCP_DPICZ                       0x08    /*Disable Prot. Info Check
                                                  if Prot. Field is Zero */
#define SCP_TMF_ONLY                    0x10    /*TM Functions Only*/
#define SCP_TST_MASK                    0xE0    /*Task Set Type Mask*/
#define SCP_TST_ONE                     0x00    /*One Task Set*/
#define SCP_TST_SEPARATE                0x20    /*Separate Task Sets*/
        u_int8_t queue_flags;
#define SCP_QUEUE_ALG_MASK              0xF0
#define SCP_QUEUE_ALG_RESTRICTED        0x00
#define SCP_QUEUE_ALG_UNRESTRICTED      0x10
#define SCP_NUAR                        0x08    /*No UA on release*/
#define SCP_QUEUE_ERR                   0x02    /*Queued I/O aborted for CACs*/
#define SCP_QUEUE_DQUE                  0x01    /*Queued I/O disabled*/
        u_int8_t eca_and_aen;
#define SCP_EECA                        0x80    /*Enable Extended CA*/
#define SCP_RAC                         0x40    /*Report a check*/
#define SCP_SWP                         0x08    /*Software Write Protect*/
#define SCP_RAENP                       0x04    /*Ready AEN Permission*/
#define SCP_UAAENP                      0x02    /*UA AEN Permission*/
#define SCP_EAENP                       0x01    /*Error AEN Permission*/
        u_int8_t flags4;
#define SCP_ATO                         0x80    /*Application tag owner*/
#define SCP_TAS                         0x40    /*Task aborted status*/
#define SCP_ATMPE                       0x20    /*Application tag mode page*/
#define SCP_RWWP                        0x10    /*Reject write without prot*/
        u_int8_t aen_holdoff_period[2];
        u_int8_t busy_timeout_period[2];
        u_int8_t extended_selftest_completion_time[2];
};
 
struct scsi_control_ext_page {
        uint8_t page_code;
#define SCEP_PAGE_CODE                  0x0a
        uint8_t subpage_code;
#define SCEP_SUBPAGE_CODE               0x01
        uint8_t page_length[2];
        uint8_t flags;
#define SCEP_TCMOS                      0x04    /* Timestamp Changeable by */
#define SCEP_SCSIP                      0x02    /* SCSI Precedence (clock) */
#define SCEP_IALUAE                     0x01    /* Implicit ALUA Enabled */
        uint8_t prio;
        uint8_t max_sense;
        uint8_t reserve[25];
};
 
struct scsi_cache_page {
        u_int8_t page_code;
#define SCHP_PAGE_SAVABLE               0x80    /* Page is savable */
        u_int8_t page_length;
        u_int8_t cache_flags;
#define SCHP_FLAGS_WCE                  0x04    /* Write Cache Enable */
#define SCHP_FLAGS_MF                   0x02    /* Multiplication factor */
#define SCHP_FLAGS_RCD                  0x01    /* Read Cache Disable */
        u_int8_t rw_cache_policy;
        u_int8_t dis_prefetch[2];
        u_int8_t min_prefetch[2];
        u_int8_t max_prefetch[2];
        u_int8_t max_prefetch_ceil[2];
};
 
/*
 * XXX KDM
 * Updated version of the cache page, as of SBC.  Update this to SBC-3 and
 * rationalize the two.
 */
struct scsi_caching_page {
        uint8_t page_code;
#define SMS_CACHING_PAGE                0x08
        uint8_t page_length;
        uint8_t flags1;
#define SCP_IC          0x80
#define SCP_ABPF        0x40
#define SCP_CAP         0x20
#define SCP_DISC        0x10
#define SCP_SIZE        0x08
#define SCP_WCE         0x04
#define SCP_MF          0x02
#define SCP_RCD         0x01
        uint8_t ret_priority;
        uint8_t disable_pf_transfer_len[2];
        uint8_t min_prefetch[2];
        uint8_t max_prefetch[2];
        uint8_t max_pf_ceiling[2];
        uint8_t flags2;
#define SCP_FSW         0x80
#define SCP_LBCSS       0x40
#define SCP_DRA         0x20
#define SCP_VS1         0x10
#define SCP_VS2         0x08
        uint8_t cache_segments;
        uint8_t cache_seg_size[2];
        uint8_t reserved;
        uint8_t non_cache_seg_size[3];
};
 
struct scsi_info_exceptions_page {
        u_int8_t page_code;
#define SIEP_PAGE_SAVABLE               0x80    /* Page is savable */
        u_int8_t page_length;
        u_int8_t info_flags;
#define SIEP_FLAGS_PERF                 0x80
#define SIEP_FLAGS_EBF                  0x20
#define SIEP_FLAGS_EWASC                0x10
#define SIEP_FLAGS_DEXCPT               0x08
#define SIEP_FLAGS_TEST                 0x04
#define SIEP_FLAGS_EBACKERR             0x02
#define SIEP_FLAGS_LOGERR               0x01
        u_int8_t mrie;
#define SIEP_MRIE_NO            0x00
#define SIEP_MRIE_UA            0x02
#define SIEP_MRIE_REC_COND      0x03
#define SIEP_MRIE_REC_UNCOND    0x04
#define SIEP_MRIE_NO_SENSE      0x05
#define SIEP_MRIE_ON_REQ        0x06
        u_int8_t interval_timer[4];
        u_int8_t report_count[4];
};
 
struct scsi_logical_block_provisioning_page_descr {
        uint8_t flags;
#define SLBPPD_ENABLED          0x80
#define SLBPPD_TYPE_MASK        0x38
#define SLBPPD_ARMING_MASK      0x07
#define SLBPPD_ARMING_DEC       0x02
#define SLBPPD_ARMING_INC       0x01
        uint8_t resource;
        uint8_t reserved[2];
        uint8_t count[4];
};
 
struct scsi_logical_block_provisioning_page {
        uint8_t page_code;
        uint8_t subpage_code;
        uint8_t page_length[2];
        uint8_t flags;
#define SLBPP_SITUA             0x01
        uint8_t reserved[11];
        struct scsi_logical_block_provisioning_page_descr descr[0];
};
 
/*
 * SCSI protocol identifier values, current as of SPC4r36l.
 */
#define SCSI_PROTO_FC           0x00    /* Fibre Channel */
#define SCSI_PROTO_SPI          0x01    /* Parallel SCSI */
#define SCSI_PROTO_SSA          0x02    /* Serial Storage Arch. */
#define SCSI_PROTO_1394         0x03    /* IEEE 1394 (Firewire) */
#define SCSI_PROTO_RDMA         0x04    /* SCSI RDMA Protocol */
#define SCSI_PROTO_ISCSI        0x05    /* Internet SCSI */
#define SCSI_PROTO_iSCSI        0x05    /* Internet SCSI */
#define SCSI_PROTO_SAS          0x06    /* SAS Serial SCSI Protocol */
#define SCSI_PROTO_ADT          0x07    /* Automation/Drive Int. Trans. Prot.*/
#define SCSI_PROTO_ADITP        0x07    /* Automation/Drive Int. Trans. Prot.*/
#define SCSI_PROTO_ATA          0x08    /* AT Attachment Interface */
#define SCSI_PROTO_UAS          0x09    /* USB Atached SCSI */
#define SCSI_PROTO_SOP          0x0a    /* SCSI over PCI Express */
#define SCSI_PROTO_NONE         0x0f    /* No specific protocol */
 
struct scsi_proto_specific_page {
        u_int8_t page_code;
#define SPSP_PAGE_SAVABLE               0x80    /* Page is savable */
        u_int8_t page_length;
        u_int8_t protocol;
#define SPSP_PROTO_FC                   SCSI_PROTO_FC
#define SPSP_PROTO_SPI                  SCSI_PROTO_SPI
#define SPSP_PROTO_SSA                  SCSI_PROTO_SSA
#define SPSP_PROTO_1394                 SCSI_PROTO_1394
#define SPSP_PROTO_RDMA                 SCSI_PROTO_RDMA
#define SPSP_PROTO_ISCSI                SCSI_PROTO_ISCSI
#define SPSP_PROTO_SAS                  SCSI_PROTO_SAS
#define SPSP_PROTO_ADT                  SCSI_PROTO_ADITP
#define SPSP_PROTO_ATA                  SCSI_PROTO_ATA
#define SPSP_PROTO_UAS                  SCSI_PROTO_UAS
#define SPSP_PROTO_SOP                  SCSI_PROTO_SOP
#define SPSP_PROTO_NONE                 SCSI_PROTO_NONE
};
 
struct scsi_reserve
{
        u_int8_t opcode;
        u_int8_t byte2;
#define SR_EXTENT       0x01
#define SR_ID_MASK      0x0e
#define SR_3RDPTY       0x10
#define SR_LUN_MASK     0xe0
        u_int8_t resv_id;
        u_int8_t length[2];
        u_int8_t control;
};
 
struct scsi_reserve_10 {
        uint8_t opcode;
        uint8_t byte2;
#define SR10_3RDPTY     0x10
#define SR10_LONGID     0x02
#define SR10_EXTENT     0x01
        uint8_t resv_id;
        uint8_t thirdparty_id;
        uint8_t reserved[3];
        uint8_t length[2];
        uint8_t control;
};
 
struct scsi_release
{
        u_int8_t opcode;
        u_int8_t byte2;
        u_int8_t resv_id;
        u_int8_t unused[1];
        u_int8_t length;
        u_int8_t control;
};
 
struct scsi_release_10 {
        uint8_t opcode;
        uint8_t byte2;
        uint8_t resv_id;
        uint8_t thirdparty_id;
        uint8_t reserved[3];
        uint8_t length[2];
        uint8_t control;
};
 
struct scsi_prevent
{
        u_int8_t opcode;
        u_int8_t byte2;
        u_int8_t unused[2];
        u_int8_t how;
        u_int8_t control;
};
#define PR_PREVENT 0x01
#define PR_ALLOW   0x00
 
struct scsi_sync_cache
{
        u_int8_t opcode;
        u_int8_t byte2;
#define SSC_IMMED       0x02
#define SSC_RELADR      0x01
        u_int8_t begin_lba[4];
        u_int8_t reserved;
        u_int8_t lb_count[2];
        u_int8_t control;       
};
 
struct scsi_sync_cache_16
{
        uint8_t opcode;
        uint8_t byte2;
        uint8_t begin_lba[8];
        uint8_t lb_count[4];
        uint8_t reserved;
        uint8_t control;
};
 
struct scsi_format {
        uint8_t opcode;
        uint8_t byte2;
#define SF_LONGLIST             0x20
#define SF_FMTDATA              0x10
#define SF_CMPLIST              0x08
#define SF_FORMAT_MASK          0x07
#define SF_FORMAT_BLOCK         0x00
#define SF_FORMAT_LONG_BLOCK    0x03
#define SF_FORMAT_BFI           0x04
#define SF_FORMAT_PHYS          0x05
        uint8_t vendor;
        uint8_t interleave[2];
        uint8_t control;
};
 
struct scsi_format_header_short {
        uint8_t reserved;
#define SF_DATA_FOV     0x80
#define SF_DATA_DPRY    0x40
#define SF_DATA_DCRT    0x20
#define SF_DATA_STPF    0x10
#define SF_DATA_IP      0x08
#define SF_DATA_DSP     0x04
#define SF_DATA_IMMED   0x02
#define SF_DATA_VS      0x01
        uint8_t byte2;
        uint8_t defect_list_len[2];
};
 
struct scsi_format_header_long {
        uint8_t reserved;
        uint8_t byte2;
        uint8_t reserved2[2];
        uint8_t defect_list_len[4];
};
 
struct scsi_changedef
{
        u_int8_t opcode;
        u_int8_t byte2;
        u_int8_t unused1;
        u_int8_t how;
        u_int8_t unused[4];
        u_int8_t datalen;
        u_int8_t control;
};
 
struct scsi_read_buffer
{
        u_int8_t opcode;
        u_int8_t byte2;
#define RWB_MODE                0x1F
#define RWB_MODE_HDR_DATA       0x00
#define RWB_MODE_VENDOR         0x01
#define RWB_MODE_DATA           0x02
#define RWB_MODE_DESCR          0x03
#define RWB_MODE_DOWNLOAD       0x04
#define RWB_MODE_DOWNLOAD_SAVE  0x05
#define RWB_MODE_ECHO           0x0A
#define RWB_MODE_ECHO_DESCR     0x0B
#define RWB_MODE_ERROR_HISTORY  0x1C
        u_int8_t buffer_id;
        u_int8_t offset[3];
        u_int8_t length[3];
        u_int8_t control;
};
 
struct scsi_read_buffer_16
{
        uint8_t opcode;
        uint8_t byte2;
        uint8_t offset[8];
        uint8_t length[4];
        uint8_t buffer_id;
        uint8_t control;
};
 
struct scsi_write_buffer
{
        u_int8_t opcode;
        u_int8_t byte2;
        u_int8_t buffer_id;
        u_int8_t offset[3];
        u_int8_t length[3];
        u_int8_t control;
};
 
struct scsi_read_attribute
{
        u_int8_t opcode;
        u_int8_t service_action;
#define SRA_SA_ATTR_VALUES              0x00
#define SRA_SA_ATTR_LIST                0x01
#define SRA_SA_LOG_VOL_LIST             0x02
#define SRA_SA_PART_LIST                0x03
#define SRA_SA_RESTRICTED               0x04
#define SRA_SA_SUPPORTED_ATTRS          0x05
#define SRA_SA_MASK                     0x1f
        u_int8_t element[2];
        u_int8_t elem_type;
        u_int8_t logical_volume;
        u_int8_t reserved1;
        u_int8_t partition;
        u_int8_t first_attribute[2];
        u_int8_t length[4];
        u_int8_t cache;
#define SRA_CACHE                       0x01
        u_int8_t control;
};
 
struct scsi_write_attribute
{
        u_int8_t opcode;
        u_int8_t byte2;
#define SWA_WTC                         0x01
        u_int8_t element[3];
        u_int8_t logical_volume;
        u_int8_t reserved1;
        u_int8_t partition;
        u_int8_t reserved2[2];
        u_int8_t length[4];
        u_int8_t reserved3;
        u_int8_t control;
};
 
struct scsi_read_attribute_values
{
        u_int8_t length[4];
        u_int8_t attribute_0[0];
};
 
struct scsi_mam_attribute_header
{
        u_int8_t id[2];
        /*
         * Attributes obtained from SPC-4r36g (section 7.4.2.2) and
         * SSC-4r03 (section 4.2.21). 
         */
#define SMA_ATTR_ID_DEVICE_MIN          0x0000
 
#define SMA_ATTR_REM_CAP_PARTITION      0x0000
#define SMA_ATTR_MAX_CAP_PARTITION      0x0001
#define SMA_ATTR_TAPEALERT_FLAGS        0x0002
#define SMA_ATTR_LOAD_COUNT             0x0003
#define SMA_ATTR_MAM_SPACE_REMAINING    0x0004
 
#define SMA_ATTR_DEV_ASSIGNING_ORG      0x0005
#define SMA_ATTR_FORMAT_DENSITY_CODE    0x0006
#define SMA_ATTR_INITIALIZATION_COUNT   0x0007
#define SMA_ATTR_VOLUME_ID              0x0008
#define SMA_ATTR_VOLUME_CHANGE_REF      0x0009
 
#define SMA_ATTR_DEV_SERIAL_LAST_LOAD   0x020a
#define SMA_ATTR_DEV_SERIAL_LAST_LOAD_1 0x020b
#define SMA_ATTR_DEV_SERIAL_LAST_LOAD_2 0x020c
#define SMA_ATTR_DEV_SERIAL_LAST_LOAD_3 0x020d
 
#define SMA_ATTR_TOTAL_MB_WRITTEN_LT    0x0220
#define SMA_ATTR_TOTAL_MB_READ_LT       0x0221
#define SMA_ATTR_TOTAL_MB_WRITTEN_CUR   0x0222
#define SMA_ATTR_TOTAL_MB_READ_CUR      0x0223
#define SMA_ATTR_FIRST_ENC_BLOCK        0x0224
#define SMA_ATTR_NEXT_UNENC_BLOCK       0x0225
 
#define SMA_ATTR_MEDIUM_USAGE_HIST      0x0340
#define SMA_ATTR_PART_USAGE_HIST        0x0341
 
#define SMA_ATTR_ID_DEVICE_MAX          0x03ff
 
#define SMA_ATTR_ID_MEDIUM_MIN          0x0400
 
#define SMA_ATTR_MED_MANUF              0x0400
#define SMA_ATTR_MED_SERIAL             0x0401
 
#define SMA_ATTR_MED_LENGTH             0x0402
#define SMA_ATTR_MED_WIDTH              0x0403
#define SMA_ATTR_MED_ASSIGNING_ORG      0x0404
#define SMA_ATTR_MED_DENSITY_CODE       0x0405
 
#define SMA_ATTR_MED_MANUF_DATE         0x0406
#define SMA_ATTR_MAM_CAPACITY           0x0407
#define SMA_ATTR_MED_TYPE               0x0408
#define SMA_ATTR_MED_TYPE_INFO          0x0409
#define SMA_ATTR_MED_SERIAL_NUM         0x040a
 
#define SMA_ATTR_ID_MEDIUM_MAX          0x07ff
 
#define SMA_ATTR_ID_HOST_MIN            0x0800
 
#define SMA_ATTR_APP_VENDOR             0x0800
#define SMA_ATTR_APP_NAME               0x0801
#define SMA_ATTR_APP_VERSION            0x0802
#define SMA_ATTR_USER_MED_TEXT_LABEL    0x0803
#define SMA_ATTR_LAST_WRITTEN_TIME      0x0804
#define SMA_ATTR_TEXT_LOCAL_ID          0x0805
#define SMA_ATTR_BARCODE                0x0806
#define SMA_ATTR_HOST_OWNER_NAME        0x0807
#define SMA_ATTR_MEDIA_POOL             0x0808
#define SMA_ATTR_PART_USER_LABEL        0x0809
#define SMA_ATTR_LOAD_UNLOAD_AT_PART    0x080a
#define SMA_ATTR_APP_FORMAT_VERSION     0x080b
#define SMA_ATTR_VOL_COHERENCY_INFO     0x080c
 
#define SMA_ATTR_ID_HOST_MAX            0x0bff
 
#define SMA_ATTR_VENDOR_DEVICE_MIN      0x0c00
#define SMA_ATTR_VENDOR_DEVICE_MAX      0x0fff
#define SMA_ATTR_VENDOR_MEDIUM_MIN      0x1000
#define SMA_ATTR_VENDOR_MEDIUM_MAX      0x13ff
#define SMA_ATTR_VENDOR_HOST_MIN        0x1400
#define SMA_ATTR_VENDOR_HOST_MAX        0x17ff
        u_int8_t byte2;
#define SMA_FORMAT_BINARY       0x00
#define SMA_FORMAT_ASCII        0x01
#define SMA_FORMAT_TEXT         0x02
#define SMA_FORMAT_MASK         0x03
#define SMA_READ_ONLY           0x80
        u_int8_t length[2];
        u_int8_t attribute[0];
};
 
struct scsi_attrib_list_header {
        u_int8_t length[4];
        u_int8_t first_attr_0[0];
};
 
struct scsi_attrib_lv_list {
        u_int8_t length[2];
        u_int8_t first_lv_number;
        u_int8_t num_logical_volumes;
};
 
struct scsi_attrib_vendser {
        uint8_t vendor[8];
        uint8_t serial_num[32];
};
 
/*
 * These values are used to decode the Volume Coherency Information
 * Attribute (0x080c) for LTFS-format coherency information.
 * Although the Application Client Specific lengths are different for
 * Version 0 and Version 1, the data is in fact the same.  The length
 * difference was due to a code bug.
 */
#define SCSI_LTFS_VER0_LEN      42
#define SCSI_LTFS_VER1_LEN      43
#define SCSI_LTFS_UUID_LEN      36
#define SCSI_LTFS_STR_NAME      "LTFS"
#define SCSI_LTFS_STR_LEN       4
 
typedef enum {
        SCSI_ATTR_FLAG_NONE             = 0x00,
        SCSI_ATTR_FLAG_HEX              = 0x01,
        SCSI_ATTR_FLAG_FP               = 0x02,
        SCSI_ATTR_FLAG_DIV_10           = 0x04,
        SCSI_ATTR_FLAG_FP_1DIGIT        = 0x08
} scsi_attrib_flags;
 
typedef enum {
        SCSI_ATTR_OUTPUT_NONE           = 0x00,
        SCSI_ATTR_OUTPUT_TEXT_MASK      = 0x03,
        SCSI_ATTR_OUTPUT_TEXT_RAW       = 0x00,
        SCSI_ATTR_OUTPUT_TEXT_ESC       = 0x01,
        SCSI_ATTR_OUTPUT_TEXT_RSV1      = 0x02,
        SCSI_ATTR_OUTPUT_TEXT_RSV2      = 0x03,
        SCSI_ATTR_OUTPUT_NONASCII_MASK  = 0x0c,
        SCSI_ATTR_OUTPUT_NONASCII_TRIM  = 0x00,
        SCSI_ATTR_OUTPUT_NONASCII_ESC   = 0x04,
        SCSI_ATTR_OUTPUT_NONASCII_RAW   = 0x08,
        SCSI_ATTR_OUTPUT_NONASCII_RSV1  = 0x0c,
        SCSI_ATTR_OUTPUT_FIELD_MASK     = 0xf0,
        SCSI_ATTR_OUTPUT_FIELD_ALL      = 0xf0,
        SCSI_ATTR_OUTPUT_FIELD_NONE     = 0x00,
        SCSI_ATTR_OUTPUT_FIELD_DESC     = 0x10,
        SCSI_ATTR_OUTPUT_FIELD_NUM      = 0x20,
        SCSI_ATTR_OUTPUT_FIELD_SIZE     = 0x40,
        SCSI_ATTR_OUTPUT_FIELD_RW       = 0x80
} scsi_attrib_output_flags;
 
struct sbuf;
 
struct scsi_attrib_table_entry
{
        u_int32_t id;
        u_int32_t flags;
        const char *desc;
        const char *suffix;
        int (*to_str)(struct sbuf *sb, struct scsi_mam_attribute_header *hdr,
                      uint32_t valid_len, uint32_t flags,
                      uint32_t output_flags, char *error_str,
                      int error_str_len);
        int (*parse_str)(char *str, struct scsi_mam_attribute_header *hdr,
                         uint32_t alloc_len, uint32_t flags, char *error_str,
                         int error_str_len);
};
 
struct scsi_rw_6
{
        u_int8_t opcode;
        u_int8_t addr[3];
/* only 5 bits are valid in the MSB address byte */
#define SRW_TOPADDR     0x1F
        u_int8_t length;
        u_int8_t control;
};
 
struct scsi_rw_10
{
        u_int8_t opcode;
#define SRW10_RELADDR   0x01
/* EBP defined for WRITE(10) only */
#define SRW10_EBP       0x04
#define SRW10_FUA       0x08
#define SRW10_DPO       0x10
        u_int8_t byte2;
        u_int8_t addr[4];
        u_int8_t reserved;
        u_int8_t length[2];
        u_int8_t control;
};
 
struct scsi_rw_12
{
        u_int8_t opcode;
#define SRW12_RELADDR   0x01
#define SRW12_FUA       0x08
#define SRW12_DPO       0x10
        u_int8_t byte2;
        u_int8_t addr[4];
        u_int8_t length[4];
        u_int8_t reserved;
        u_int8_t control;
};
 
struct scsi_rw_16
{
        u_int8_t opcode;
#define SRW16_RELADDR   0x01
#define SRW16_FUA       0x08
#define SRW16_DPO       0x10
        u_int8_t byte2;
        u_int8_t addr[8];
        u_int8_t length[4];
        u_int8_t reserved;
        u_int8_t control;
};
 
struct scsi_write_atomic_16
{
        uint8_t opcode;
        uint8_t byte2;
        uint8_t addr[8];
        uint8_t boundary[2];
        uint8_t length[2];
        uint8_t group;
        uint8_t control;
};
 
struct scsi_write_same_10
{
        uint8_t opcode;
        uint8_t byte2;
#define SWS_LBDATA      0x02
#define SWS_PBDATA      0x04
#define SWS_UNMAP       0x08
#define SWS_ANCHOR      0x10
        uint8_t addr[4];
        uint8_t group;
        uint8_t length[2];
        uint8_t control;
};
 
struct scsi_write_same_16
{
        uint8_t opcode;
        uint8_t byte2;
#define SWS_NDOB        0x01
        uint8_t addr[8];
        uint8_t length[4];
        uint8_t group;
        uint8_t control;
};
 
struct scsi_unmap
{
        uint8_t opcode;
        uint8_t byte2;
#define SU_ANCHOR       0x01
        uint8_t reserved[4];
        uint8_t group;
        uint8_t length[2];
        uint8_t control;
};
 
struct scsi_unmap_header
{
        uint8_t length[2];
        uint8_t desc_length[2];
        uint8_t reserved[4];
};
 
struct scsi_unmap_desc
{
        uint8_t lba[8];
        uint8_t length[4];
        uint8_t reserved[4];
};
 
struct scsi_write_verify_10
{
        uint8_t opcode;
        uint8_t byte2;
#define SWV_BYTCHK              0x02
#define SWV_DPO                 0x10
#define SWV_WRPROECT_MASK       0xe0
        uint8_t addr[4];
        uint8_t group;
        uint8_t length[2];
        uint8_t control;
};
 
struct scsi_write_verify_12
{
        uint8_t opcode;
        uint8_t byte2;
        uint8_t addr[4];
        uint8_t length[4];
        uint8_t group;
        uint8_t control;
};
 
struct scsi_write_verify_16
{
        uint8_t opcode;
        uint8_t byte2;
        uint8_t addr[8];
        uint8_t length[4];
        uint8_t group;
        uint8_t control;
};
 
struct scsi_start_stop_unit
{
        u_int8_t opcode;
        u_int8_t byte2;
#define SSS_IMMED               0x01
        u_int8_t reserved[2];
        u_int8_t how;
#define SSS_START               0x01
#define SSS_LOEJ                0x02
#define SSS_PC_MASK             0xf0
#define SSS_PC_START_VALID      0x00
#define SSS_PC_ACTIVE           0x10
#define SSS_PC_IDLE             0x20
#define SSS_PC_STANDBY          0x30
#define SSS_PC_LU_CONTROL       0x70
#define SSS_PC_FORCE_IDLE_0     0xa0
#define SSS_PC_FORCE_STANDBY_0  0xb0
        u_int8_t control;
};
 
struct ata_pass_12 {
        u_int8_t opcode;
        u_int8_t protocol;
#define AP_PROTO_HARD_RESET     (0x00 << 1)
#define AP_PROTO_SRST           (0x01 << 1)
#define AP_PROTO_NON_DATA       (0x03 << 1)
#define AP_PROTO_PIO_IN         (0x04 << 1)
#define AP_PROTO_PIO_OUT        (0x05 << 1)
#define AP_PROTO_DMA            (0x06 << 1)
#define AP_PROTO_DMA_QUEUED     (0x07 << 1)
#define AP_PROTO_DEVICE_DIAG    (0x08 << 1)
#define AP_PROTO_DEVICE_RESET   (0x09 << 1)
#define AP_PROTO_UDMA_IN        (0x0a << 1)
#define AP_PROTO_UDMA_OUT       (0x0b << 1)
#define AP_PROTO_FPDMA          (0x0c << 1)
#define AP_PROTO_RESP_INFO      (0x0f << 1)
#define AP_PROTO_MASK           0x1e
#define AP_MULTI        0xe0
        u_int8_t flags;
#define AP_T_LEN        0x03
#define AP_BB           0x04
#define AP_T_DIR        0x08
#define AP_CK_COND      0x20
#define AP_OFFLINE      0x60
        u_int8_t features;
        u_int8_t sector_count;
        u_int8_t lba_low;
        u_int8_t lba_mid;
        u_int8_t lba_high;
        u_int8_t device;
        u_int8_t command;
        u_int8_t reserved;
        u_int8_t control;
};
 
struct scsi_maintenance_in
{
        uint8_t  opcode;
        uint8_t  byte2;
#define SERVICE_ACTION_MASK  0x1f
#define SA_RPRT_TRGT_GRP     0x0a
        uint8_t  reserved[4];
        uint8_t  length[4];
        uint8_t  reserved1;
        uint8_t  control;
};
 
struct scsi_report_ident_info
{
        uint8_t  opcode;
        uint8_t  service_action;
        uint8_t  reserved[4];
        uint8_t  length[4];
        uint8_t  type;
#define RII_LUII                0x00
#define RII_LUTII               0x04
#define RII_IIS                 0xfc
        uint8_t  control;
};
 
struct scsi_report_ident_info_data
{
        uint8_t  reserved[2];
        uint8_t  length[2];
};
 
struct scsi_report_ident_info_descr
{
        uint8_t  type;
        uint8_t  reserved;
        uint8_t  length[2];
};
 
struct scsi_report_supported_opcodes
{
        uint8_t  opcode;
        uint8_t  service_action;
        uint8_t  options;
#define RSO_RCTD                0x80
#define RSO_OPTIONS_MASK        0x07
#define RSO_OPTIONS_ALL         0x00
#define RSO_OPTIONS_OC          0x01
#define RSO_OPTIONS_OC_SA       0x02
#define RSO_OPTIONS_OC_ASA      0x03
        uint8_t  requested_opcode;
        uint8_t  requested_service_action[2];
        uint8_t  length[4];
        uint8_t  reserved1;
        uint8_t  control;
};
 
struct scsi_report_supported_opcodes_timeout
{
        uint8_t  length[2];
        uint8_t  reserved;
        uint8_t  cmd_specific;
        uint8_t  nominal_time[4];
        uint8_t  recommended_time[4];
};
 
struct scsi_report_supported_opcodes_descr
{
        uint8_t  opcode;
        uint8_t  reserved;
        uint8_t  service_action[2];
        uint8_t  reserved2;
        uint8_t  flags;
#define RSO_SERVACTV            0x01
#define RSO_CTDP                0x02
#define RSO_CDLP_MASK           0x0c
#define RSO_CDLP_NO             0x00
#define RSO_CDLP_A              0x04
#define RSO_CDLP_B              0x08
        uint8_t  cdb_length[2];
        struct scsi_report_supported_opcodes_timeout timeout[0];
};
 
struct scsi_report_supported_opcodes_all
{
        uint8_t  length[4];
        struct scsi_report_supported_opcodes_descr descr[0];
};
 
struct scsi_report_supported_opcodes_one
{
        uint8_t  reserved;
        uint8_t  support;
#define RSO_ONE_CTDP            0x80
#define RSO_ONE_CDLP_MASK       0x18
#define RSO_ONE_CDLP_NO         0x00
#define RSO_ONE_CDLP_A          0x08
#define RSO_ONE_CDLP_B          0x10
#define RSO_ONE_SUP_MASK        0x07
#define RSO_ONE_SUP_UNAVAIL     0x00
#define RSO_ONE_SUP_NOT_SUP     0x01
#define RSO_ONE_SUP_AVAIL       0x03
#define RSO_ONE_SUP_VENDOR      0x05
        uint8_t  cdb_length[2];
        uint8_t  cdb_usage[];
};
 
struct scsi_report_supported_tmf
{
        uint8_t  opcode;
        uint8_t  service_action;
        uint8_t  options;
#define RST_REPD                0x80
        uint8_t  reserved[3];
        uint8_t  length[4];
        uint8_t  reserved1;
        uint8_t  control;
};
 
struct scsi_report_supported_tmf_data
{
        uint8_t  byte1;
#define RST_WAKES               0x01
#define RST_TRS                 0x02
#define RST_QTS                 0x04
#define RST_LURS                0x08
#define RST_CTSS                0x10
#define RST_CACAS               0x20
#define RST_ATSS                0x40
#define RST_ATS                 0x80
        uint8_t  byte2;
#define RST_ITNRS               0x01
#define RST_QTSS                0x02
#define RST_QAES                0x04
        uint8_t  reserved;
        uint8_t  length;
};
 
struct scsi_report_supported_tmf_ext_data
{
        uint8_t  byte1;
        uint8_t  byte2;
        uint8_t  reserved;
        uint8_t  length;
        uint8_t  byte5;
#define RST_TMFTMOV             0x01
        uint8_t  reserved2;
        uint8_t  byte7;
#define RST_WAKETS              0x01
#define RST_TRTS                0x02
#define RST_QTTS                0x04
#define RST_LURTS               0x08
#define RST_CTSTS               0x10
#define RST_CACATS              0x20
#define RST_ATSTS               0x40
#define RST_ATTS                0x80
        uint8_t  byte8;
#define RST_ITNRTS              0x01
#define RST_QTSTS               0x02
#define RST_QAETS               0x04
        uint8_t  long_timeout[4];
        uint8_t  short_timeout[4];
};
 
struct scsi_report_timestamp
{
        uint8_t  opcode;
        uint8_t  service_action;
        uint8_t  reserved[4];
        uint8_t  length[4];
        uint8_t  reserved1;
        uint8_t  control;
};
 
struct scsi_report_timestamp_data
{
        uint8_t  length[2];
        uint8_t  origin;
#define RTS_ORIG_MASK           0x00
#define RTS_ORIG_ZERO           0x00
#define RTS_ORIG_SET            0x02
#define RTS_ORIG_OUTSIDE        0x03
        uint8_t  reserved;
        uint8_t  timestamp[6];
        uint8_t  reserve2[2];
};
 
struct scsi_receive_copy_status_lid1
{
        uint8_t  opcode;
        uint8_t  service_action;
#define RCS_RCS_LID1            0x00
        uint8_t  list_identifier;
        uint8_t  reserved[7];
        uint8_t  length[4];
        uint8_t  reserved1;
        uint8_t  control;
};
 
struct scsi_receive_copy_status_lid1_data
{
        uint8_t  available_data[4];
        uint8_t  copy_command_status;
#define RCS_CCS_INPROG          0x00
#define RCS_CCS_COMPLETED       0x01
#define RCS_CCS_ERROR           0x02
        uint8_t  segments_processed[2];
        uint8_t  transfer_count_units;
#define RCS_TC_BYTES            0x00
#define RCS_TC_KBYTES           0x01
#define RCS_TC_MBYTES           0x02
#define RCS_TC_GBYTES           0x03
#define RCS_TC_TBYTES           0x04
#define RCS_TC_PBYTES           0x05
#define RCS_TC_EBYTES           0x06
#define RCS_TC_LBAS             0xf1
        uint8_t  transfer_count[4];
};
 
struct scsi_receive_copy_failure_details
{
        uint8_t  opcode;
        uint8_t  service_action;
#define RCS_RCFD                0x04
        uint8_t  list_identifier;
        uint8_t  reserved[7];
        uint8_t  length[4];
        uint8_t  reserved1;
        uint8_t  control;
};
 
struct scsi_receive_copy_failure_details_data
{
        uint8_t  available_data[4];
        uint8_t  reserved[52];
        uint8_t  copy_command_status;
        uint8_t  reserved2;
        uint8_t  sense_data_length[2];
        uint8_t  sense_data[];
};
 
struct scsi_receive_copy_status_lid4
{
        uint8_t  opcode;
        uint8_t  service_action;
#define RCS_RCS_LID4            0x05
        uint8_t  list_identifier[4];
        uint8_t  reserved[4];
        uint8_t  length[4];
        uint8_t  reserved1;
        uint8_t  control;
};
 
struct scsi_receive_copy_status_lid4_data
{
        uint8_t  available_data[4];
        uint8_t  response_to_service_action;
        uint8_t  copy_command_status;
#define RCS_CCS_COMPLETED_PROD  0x03
#define RCS_CCS_COMPLETED_RESID 0x04
#define RCS_CCS_INPROG_FGBG     0x10
#define RCS_CCS_INPROG_FG       0x11
#define RCS_CCS_INPROG_BG       0x12
#define RCS_CCS_ABORTED         0x60
        uint8_t  operation_counter[2];
        uint8_t  estimated_status_update_delay[4];
        uint8_t  extended_copy_completion_status;
        uint8_t  length_of_the_sense_data_field;
        uint8_t  sense_data_length;
        uint8_t  transfer_count_units;
        uint8_t  transfer_count[8];
        uint8_t  segments_processed[2];
        uint8_t  reserved[6];
        uint8_t  sense_data[];
};
 
struct scsi_receive_copy_operating_parameters
{
        uint8_t  opcode;
        uint8_t  service_action;
#define RCS_RCOP                0x03
        uint8_t  reserved[8];
        uint8_t  length[4];
        uint8_t  reserved1;
        uint8_t  control;
};
 
struct scsi_receive_copy_operating_parameters_data
{
        uint8_t  length[4];
        uint8_t  snlid;
#define RCOP_SNLID              0x01
        uint8_t  reserved[3];
        uint8_t  maximum_cscd_descriptor_count[2];
        uint8_t  maximum_segment_descriptor_count[2];
        uint8_t  maximum_descriptor_list_length[4];
        uint8_t  maximum_segment_length[4];
        uint8_t  maximum_inline_data_length[4];
        uint8_t  held_data_limit[4];
        uint8_t  maximum_stream_device_transfer_size[4];
        uint8_t  reserved2[2];
        uint8_t  total_concurrent_copies[2];
        uint8_t  maximum_concurrent_copies;
        uint8_t  data_segment_granularity;
        uint8_t  inline_data_granularity;
        uint8_t  held_data_granularity;
        uint8_t  reserved3[3];
        uint8_t  implemented_descriptor_list_length;
        uint8_t  list_of_implemented_descriptor_type_codes[0];
};
 
struct scsi_extended_copy
{
        uint8_t  opcode;
        uint8_t  service_action;
#define EC_EC_LID1              0x00
#define EC_EC_LID4              0x01
        uint8_t  reserved[8];
        uint8_t  length[4];
        uint8_t  reserved1;
        uint8_t  control;
};
 
struct scsi_ec_cscd_dtsp
{
        uint8_t  flags;
#define EC_CSCD_FIXED           0x01
#define EC_CSCD_PAD             0x04
        uint8_t  block_length[3];
};
 
struct scsi_ec_cscd
{
        uint8_t  type_code;
#define EC_CSCD_EXT             0xff
        uint8_t  luidt_pdt;
#define EC_NUL                  0x20
#define EC_LUIDT_MASK           0xc0
#define EC_LUIDT_LUN            0x00
#define EC_LUIDT_PROXY_TOKEN    0x40
        uint8_t  relative_initiator_port[2];
        uint8_t  cscd_params[24];
        struct scsi_ec_cscd_dtsp dtsp;
};
 
struct scsi_ec_cscd_id
{
        uint8_t  type_code;
#define EC_CSCD_ID              0xe4
        uint8_t  luidt_pdt;
        uint8_t  relative_initiator_port[2];
        uint8_t  codeset;
        uint8_t  id_type;
        uint8_t  reserved;
        uint8_t  length;
        uint8_t  designator[20];
        struct scsi_ec_cscd_dtsp dtsp;
};
 
struct scsi_ec_segment
{
        uint8_t  type_code;
        uint8_t  flags;
#define EC_SEG_DC               0x02
#define EC_SEG_CAT              0x01
        uint8_t  descr_length[2];
        uint8_t  params[];
};
 
struct scsi_ec_segment_b2b
{
        uint8_t  type_code;
#define EC_SEG_B2B              0x02
        uint8_t  flags;
        uint8_t  descr_length[2];
        uint8_t  src_cscd[2];
        uint8_t  dst_cscd[2];
        uint8_t  reserved[2];
        uint8_t  number_of_blocks[2];
        uint8_t  src_lba[8];
        uint8_t  dst_lba[8];
};
 
struct scsi_ec_segment_verify
{
        uint8_t  type_code;
#define EC_SEG_VERIFY           0x07
        uint8_t  reserved;
        uint8_t  descr_length[2];
        uint8_t  src_cscd[2];
        uint8_t  reserved2[2];
        uint8_t  tur;
        uint8_t  reserved3[3];
};
 
struct scsi_ec_segment_register_key
{
        uint8_t  type_code;
#define EC_SEG_REGISTER_KEY     0x14
        uint8_t  reserved;
        uint8_t  descr_length[2];
        uint8_t  reserved2[2];
        uint8_t  dst_cscd[2];
        uint8_t  res_key[8];
        uint8_t  sa_res_key[8];
        uint8_t  reserved3[4];
};
 
struct scsi_extended_copy_lid1_data
{
        uint8_t  list_identifier;
        uint8_t  flags;
#define EC_PRIORITY             0x07
#define EC_LIST_ID_USAGE_MASK   0x18
#define EC_LIST_ID_USAGE_FULL   0x08
#define EC_LIST_ID_USAGE_NOHOLD 0x10
#define EC_LIST_ID_USAGE_NONE   0x18
#define EC_STR                  0x20
        uint8_t  cscd_list_length[2];
        uint8_t  reserved[4];
        uint8_t  segment_list_length[4];
        uint8_t  inline_data_length[4];
        uint8_t  data[];
};
 
struct scsi_extended_copy_lid4_data
{
        uint8_t  list_format;
#define EC_LIST_FORMAT          0x01
        uint8_t  flags;
        uint8_t  header_cscd_list_length[2];
        uint8_t  reserved[11];
        uint8_t  flags2;
#define EC_IMMED                0x01
#define EC_G_SENSE              0x02
        uint8_t  header_cscd_type_code;
        uint8_t  reserved2[3];
        uint8_t  list_identifier[4];
        uint8_t  reserved3[18];
        uint8_t  cscd_list_length[2];
        uint8_t  segment_list_length[2];
        uint8_t  inline_data_length[2];
        uint8_t  data[];
};
 
struct scsi_copy_operation_abort
{
        uint8_t  opcode;
        uint8_t  service_action;
#define EC_COA                  0x1c
        uint8_t  list_identifier[4];
        uint8_t  reserved[9];
        uint8_t  control;
};
 
struct scsi_populate_token
{
        uint8_t  opcode;
        uint8_t  service_action;
#define EC_PT                   0x10
        uint8_t  reserved[4];
        uint8_t  list_identifier[4];
        uint8_t  length[4];
        uint8_t  group_number;
        uint8_t  control;
};
 
struct scsi_range_desc
{
        uint8_t lba[8];
        uint8_t length[4];
        uint8_t reserved[4];
};
 
struct scsi_populate_token_data
{
        uint8_t  length[2];
        uint8_t  flags;
#define EC_PT_IMMED                     0x01
#define EC_PT_RTV                       0x02
        uint8_t  reserved;
        uint8_t  inactivity_timeout[4];
        uint8_t  rod_type[4];
        uint8_t  reserved2[2];
        uint8_t  range_descriptor_length[2];
        struct scsi_range_desc desc[];
};
 
struct scsi_write_using_token
{
        uint8_t  opcode;
        uint8_t  service_action;
#define EC_WUT                  0x11
        uint8_t  reserved[4];
        uint8_t  list_identifier[4];
        uint8_t  length[4];
        uint8_t  group_number;
        uint8_t  control;
};
 
struct scsi_write_using_token_data
{
        uint8_t  length[2];
        uint8_t  flags;
#define EC_WUT_IMMED                    0x01
#define EC_WUT_DEL_TKN                  0x02
        uint8_t  reserved[5];
        uint8_t  offset_into_rod[8];
        uint8_t  rod_token[512];
        uint8_t  reserved2[6];
        uint8_t  range_descriptor_length[2];
        struct scsi_range_desc desc[];
};
 
struct scsi_receive_rod_token_information
{
        uint8_t  opcode;
        uint8_t  service_action;
#define RCS_RRTI                0x07
        uint8_t  list_identifier[4];
        uint8_t  reserved[4];
        uint8_t  length[4];
        uint8_t  reserved2;
        uint8_t  control;
};
 
struct scsi_token
{
        uint8_t  type[4];
#define ROD_TYPE_INTERNAL       0x00000000
#define ROD_TYPE_AUR            0x00010000
#define ROD_TYPE_PIT_DEF        0x00800000
#define ROD_TYPE_PIT_VULN       0x00800001
#define ROD_TYPE_PIT_PERS       0x00800002
#define ROD_TYPE_PIT_ANY        0x0080FFFF
#define ROD_TYPE_BLOCK_ZERO     0xFFFF0001
        uint8_t  reserved[2];
        uint8_t  length[2];
        uint8_t  body[0];
};
 
struct scsi_report_all_rod_tokens
{
        uint8_t  opcode;
        uint8_t  service_action;
#define RCS_RART                0x08
        uint8_t  reserved[8];
        uint8_t  length[4];
        uint8_t  reserved2;
        uint8_t  control;
};
 
struct scsi_report_all_rod_tokens_data
{
        uint8_t  available_data[4];
        uint8_t  reserved[4];
        uint8_t  rod_management_token_list[];
};
 
struct ata_pass_16 {
        u_int8_t opcode;
        u_int8_t protocol;
#define AP_EXTEND       0x01
        u_int8_t flags;
#define AP_FLAG_TLEN_NO_DATA    (0 << 0)
#define AP_FLAG_TLEN_FEAT       (1 << 0)
#define AP_FLAG_TLEN_SECT_CNT   (2 << 0)
#define AP_FLAG_TLEN_STPSIU     (3 << 0)
#define AP_FLAG_BYT_BLOK_BYTES  (0 << 2)  
#define AP_FLAG_BYT_BLOK_BLOCKS (1 << 2)  
#define AP_FLAG_TDIR_TO_DEV     (0 << 3)  
#define AP_FLAG_TDIR_FROM_DEV   (1 << 3)  
#define AP_FLAG_CHK_COND        (1 << 5)  
        u_int8_t features_ext;
        u_int8_t features;
        u_int8_t sector_count_ext;
        u_int8_t sector_count;
        u_int8_t lba_low_ext;
        u_int8_t lba_low;
        u_int8_t lba_mid_ext;
        u_int8_t lba_mid;
        u_int8_t lba_high_ext;
        u_int8_t lba_high;
        u_int8_t device;
        u_int8_t command;
        u_int8_t control;
};
 
struct ata_pass_32 {
        uint8_t opcode;
        uint8_t control;
        uint8_t reserved1[5];
        uint8_t length;
        uint8_t service_action[2];
#define ATA_PASS_32_SA          0x1ff0
        uint8_t protocol;
        uint8_t flags;
        uint8_t reserved2[2];
        uint8_t lba[6];
        uint8_t features[2];
        uint8_t count[2];
        uint8_t device;
        uint8_t command;
        uint8_t reserved3;
        uint8_t icc;
        uint8_t auxiliary[4];
};
 
#define SC_SCSI_1 0x01
#define SC_SCSI_2 0x03
 
/*
 * Opcodes
 */
 
#define TEST_UNIT_READY         0x00
#define REQUEST_SENSE           0x03
#define READ_6                  0x08
#define WRITE_6                 0x0A
#define INQUIRY                 0x12
#define MODE_SELECT_6           0x15
#define MODE_SENSE_6            0x1A
#define START_STOP_UNIT         0x1B
#define START_STOP              0x1B
#define RESERVE                 0x16
#define RELEASE                 0x17
#define RECEIVE_DIAGNOSTIC      0x1C
#define SEND_DIAGNOSTIC         0x1D
#define PREVENT_ALLOW           0x1E
#define READ_CAPACITY           0x25
#define READ_10                 0x28
#define WRITE_10                0x2A
#define POSITION_TO_ELEMENT     0x2B
#define WRITE_VERIFY_10         0x2E
#define VERIFY_10               0x2F
#define SYNCHRONIZE_CACHE       0x35
#define READ_DEFECT_DATA_10     0x37
#define WRITE_BUFFER            0x3B
#define READ_BUFFER             0x3C
#define CHANGE_DEFINITION       0x40
#define WRITE_SAME_10           0x41
#define UNMAP                   0x42
#define LOG_SELECT              0x4C
#define LOG_SENSE               0x4D
#define MODE_SELECT_10          0x55
#define RESERVE_10              0x56
#define RELEASE_10              0x57
#define MODE_SENSE_10           0x5A
#define PERSISTENT_RES_IN       0x5E
#define PERSISTENT_RES_OUT      0x5F
#define EXTENDED_CDB            0x7E
#define VARIABLE_LEN_CDB        0x7F
#define EXTENDED_COPY           0x83
#define RECEIVE_COPY_STATUS     0x84
#define ATA_PASS_16             0x85
#define READ_16                 0x88
#define COMPARE_AND_WRITE       0x89
#define WRITE_16                0x8A
#define READ_ATTRIBUTE          0x8C
#define WRITE_ATTRIBUTE         0x8D
#define WRITE_VERIFY_16         0x8E
#define VERIFY_16               0x8F
#define SYNCHRONIZE_CACHE_16    0x91
#define WRITE_SAME_16           0x93
#define READ_BUFFER_16          0x9B
#define WRITE_ATOMIC_16         0x9C
#define SERVICE_ACTION_IN       0x9E
#define REPORT_LUNS             0xA0
#define ATA_PASS_12             0xA1
#define SECURITY_PROTOCOL_IN    0xA2
#define MAINTENANCE_IN          0xA3
#define MAINTENANCE_OUT         0xA4
#define MOVE_MEDIUM             0xA5
#define READ_12                 0xA8
#define WRITE_12                0xAA
#define WRITE_VERIFY_12         0xAE
#define VERIFY_12               0xAF
#define SECURITY_PROTOCOL_OUT   0xB5
#define READ_ELEMENT_STATUS     0xB8
#define READ_CD                 0xBE
 
/* Maintenance In Service Action Codes */
#define REPORT_IDENTIFYING_INFRMATION           0x05
#define REPORT_TARGET_PORT_GROUPS               0x0A
#define REPORT_ALIASES                          0x0B
#define REPORT_SUPPORTED_OPERATION_CODES        0x0C
#define REPORT_SUPPORTED_TASK_MANAGEMENT_FUNCTIONS      0x0D
#define REPORT_PRIORITY                         0x0E
#define REPORT_TIMESTAMP                        0x0F
#define MANAGEMENT_PROTOCOL_IN                  0x10
#define GET_PHYSICAL_ELEMENT_STATUS             0x17
#define REMOVE_ELEMENT_AND_TRUNCATE             0x18
#define RESTORE_ELEMENTS_AND_REBUILD            0x19
/* Maintenance Out Service Action Codes */
#define SET_IDENTIFY_INFORMATION                0x06
#define SET_TARGET_PORT_GROUPS                  0x0A
#define CHANGE_ALIASES                          0x0B
#define SET_PRIORITY                            0x0E
#define SET_TIMESTAMP                           0x0F
#define MANAGEMENT_PROTOCOL_OUT                 0x10
 
/*
 * Device Types
 */
#define T_DIRECT        0x00
#define T_SEQUENTIAL    0x01
#define T_PRINTER       0x02
#define T_PROCESSOR     0x03
#define T_WORM          0x04
#define T_CDROM         0x05
#define T_SCANNER       0x06
#define T_OPTICAL       0x07
#define T_CHANGER       0x08
#define T_COMM          0x09
#define T_ASC0          0x0a
#define T_ASC1          0x0b
#define T_STORARRAY     0x0c
#define T_ENCLOSURE     0x0d
#define T_RBC           0x0e
#define T_OCRW          0x0f
#define T_OSD           0x11
#define T_ADC           0x12
#define T_ZBC_HM        0x14
#define T_NODEVICE      0x1f
#define T_ANY           0xff    /* Used in Quirk table matches */
 
#define T_REMOV         1
#define T_FIXED         0
 
/*
 * This length is the initial inquiry length used by the probe code, as    
 * well as the length necessary for scsi_print_inquiry() to function 
 * correctly.  If either use requires a different length in the future, 
 * the two values should be de-coupled.
 */
#define SHORT_INQUIRY_LENGTH    36
 
struct scsi_inquiry_data
{
        u_int8_t device;
#define SID_TYPE(inq_data) ((inq_data)->device & 0x1f)
#define SID_QUAL(inq_data) (((inq_data)->device & 0xE0) >> 5)
#define SID_QUAL_LU_CONNECTED   0x00    /*
                                         * The specified peripheral device
                                         * type is currently connected to
                                         * logical unit.  If the target cannot
                                         * determine whether or not a physical
                                         * device is currently connected, it
                                         * shall also use this peripheral
                                         * qualifier when returning the INQUIRY
                                         * data.  This peripheral qualifier
                                         * does not mean that the device is
                                         * ready for access by the initiator.
                                         */
#define SID_QUAL_LU_OFFLINE     0x01    /*
                                         * The target is capable of supporting
                                         * the specified peripheral device type
                                         * on this logical unit; however, the
                                         * physical device is not currently
                                         * connected to this logical unit.
                                         */
#define SID_QUAL_RSVD           0x02
#define SID_QUAL_BAD_LU         0x03    /*
                                         * The target is not capable of
                                         * supporting a physical device on
                                         * this logical unit. For this
                                         * peripheral qualifier the peripheral
                                         * device type shall be set to 1Fh to
                                         * provide compatibility with previous
                                         * versions of SCSI. All other
                                         * peripheral device type values are
                                         * reserved for this peripheral
                                         * qualifier.
                                         */
#define SID_QUAL_IS_VENDOR_UNIQUE(inq_data) ((SID_QUAL(inq_data) & 0x04) != 0)
        u_int8_t dev_qual2;
#define SID_QUAL2       0x7F
#define SID_LU_CONG     0x40
#define SID_RMB         0x80
#define SID_IS_REMOVABLE(inq_data) (((inq_data)->dev_qual2 & SID_RMB) != 0)
        u_int8_t version;
#define SID_ANSI_REV(inq_data) ((inq_data)->version & 0x07)
#define         SCSI_REV_0              0
#define         SCSI_REV_CCS            1
#define         SCSI_REV_2              2
#define         SCSI_REV_SPC            3
#define         SCSI_REV_SPC2           4
#define         SCSI_REV_SPC3           5
#define         SCSI_REV_SPC4           6
#define         SCSI_REV_SPC5           7
 
#define SID_ECMA        0x38
#define SID_ISO         0xC0
        u_int8_t response_format;
#define SID_AENC        0x80
#define SID_TrmIOP      0x40
#define SID_NormACA     0x20
#define SID_HiSup       0x10
        u_int8_t additional_length;
#define SID_ADDITIONAL_LENGTH(iqd)                                      \
        ((iqd)->additional_length +                                     \
        __offsetof(struct scsi_inquiry_data, additional_length) + 1)
        u_int8_t spc3_flags;
#define SPC3_SID_PROTECT        0x01
#define SPC3_SID_3PC            0x08
#define SPC3_SID_TPGS_MASK      0x30
#define SPC3_SID_TPGS_IMPLICIT  0x10
#define SPC3_SID_TPGS_EXPLICIT  0x20
#define SPC3_SID_ACC            0x40
#define SPC3_SID_SCCS           0x80
        u_int8_t spc2_flags;
#define SPC2_SID_ADDR16         0x01
#define SPC2_SID_MChngr         0x08
#define SPC2_SID_MultiP         0x10
#define SPC2_SID_EncServ        0x40
#define SPC2_SID_BQueue         0x80
 
#define INQ_DATA_TQ_ENABLED(iqd)                                \
    ((SID_ANSI_REV(iqd) < SCSI_REV_SPC2)? ((iqd)->flags & SID_CmdQue) : \
    (((iqd)->flags & SID_CmdQue) && !((iqd)->spc2_flags & SPC2_SID_BQueue)) || \
    (!((iqd)->flags & SID_CmdQue) && ((iqd)->spc2_flags & SPC2_SID_BQueue)))
 
        u_int8_t flags;
#define SID_SftRe       0x01
#define SID_CmdQue      0x02
#define SID_Linked      0x08
#define SID_Sync        0x10
#define SID_WBus16      0x20
#define SID_WBus32      0x40
#define SID_RelAdr      0x80
#define SID_VENDOR_SIZE   8
        char     vendor[SID_VENDOR_SIZE];
#define SID_PRODUCT_SIZE  16
        char     product[SID_PRODUCT_SIZE];
#define SID_REVISION_SIZE 4
        char     revision[SID_REVISION_SIZE];
        /*
         * The following fields were taken from SCSI Primary Commands - 2
         * (SPC-2) Revision 14, Dated 11 November 1999
         */
#define SID_VENDOR_SPECIFIC_0_SIZE      20
        u_int8_t vendor_specific0[SID_VENDOR_SPECIFIC_0_SIZE];
        /*
         * An extension of SCSI Parallel Specific Values
         */
#define SID_SPI_IUS             0x01
#define SID_SPI_QAS             0x02
#define SID_SPI_CLOCK_ST        0x00
#define SID_SPI_CLOCK_DT        0x04
#define SID_SPI_CLOCK_DT_ST     0x0C
#define SID_SPI_MASK            0x0F
        u_int8_t spi3data;
        u_int8_t reserved2;
        /*
         * Version Descriptors, stored 2 byte values.
         */
        u_int8_t version1[2];
        u_int8_t version2[2];
        u_int8_t version3[2];
        u_int8_t version4[2];
        u_int8_t version5[2];
        u_int8_t version6[2];
        u_int8_t version7[2];
        u_int8_t version8[2];
 
        u_int8_t reserved3[22];
 
#define SID_VENDOR_SPECIFIC_1_SIZE      160
        u_int8_t vendor_specific1[SID_VENDOR_SPECIFIC_1_SIZE];
};
 
/*
 * This structure is more suited to initiator operation, because the
 * maximum number of supported pages is already allocated.
 */
struct scsi_vpd_supported_page_list
{
        u_int8_t device;
        u_int8_t page_code;
#define SVPD_SUPPORTED_PAGE_LIST        0x00
#define SVPD_SUPPORTED_PAGES_HDR_LEN    4
        u_int8_t reserved;
        u_int8_t length;        /* number of VPD entries */
#define SVPD_SUPPORTED_PAGES_SIZE       251
        u_int8_t list[SVPD_SUPPORTED_PAGES_SIZE];
};
 
/*
 * This structure is more suited to target operation, because the
 * number of supported pages is left to the user to allocate.
 */
struct scsi_vpd_supported_pages
{
        u_int8_t device;
        u_int8_t page_code;
        u_int8_t reserved;
#define SVPD_SUPPORTED_PAGES    0x00
        u_int8_t length;
        u_int8_t page_list[0];
};
 
struct scsi_vpd_unit_serial_number
{
        u_int8_t device;
        u_int8_t page_code;
#define SVPD_UNIT_SERIAL_NUMBER 0x80
        u_int8_t reserved;
        u_int8_t length; /* serial number length */
#define SVPD_SERIAL_NUM_SIZE 251
        u_int8_t serial_num[SVPD_SERIAL_NUM_SIZE];
};
 
struct scsi_vpd_device_id
{
        u_int8_t device;
        u_int8_t page_code;
#define SVPD_DEVICE_ID                  0x83
#define SVPD_DEVICE_ID_MAX_SIZE         252
#define SVPD_DEVICE_ID_HDR_LEN \
    __offsetof(struct scsi_vpd_device_id, desc_list)
        u_int8_t length[2];
        u_int8_t desc_list[];
};
 
struct scsi_vpd_id_descriptor
{
        u_int8_t        proto_codeset;
        /*
         * See the SCSI_PROTO definitions above for the protocols.
         */
#define SVPD_ID_PROTO_SHIFT     4
#define SVPD_ID_CODESET_BINARY  0x01
#define SVPD_ID_CODESET_ASCII   0x02
#define SVPD_ID_CODESET_UTF8    0x03
#define SVPD_ID_CODESET_MASK    0x0f
        u_int8_t        id_type;
#define SVPD_ID_PIV             0x80
#define SVPD_ID_ASSOC_LUN       0x00
#define SVPD_ID_ASSOC_PORT      0x10
#define SVPD_ID_ASSOC_TARGET    0x20
#define SVPD_ID_ASSOC_MASK      0x30
#define SVPD_ID_TYPE_VENDOR     0x00
#define SVPD_ID_TYPE_T10        0x01
#define SVPD_ID_TYPE_EUI64      0x02
#define SVPD_ID_TYPE_NAA        0x03
#define SVPD_ID_TYPE_RELTARG    0x04
#define SVPD_ID_TYPE_TPORTGRP   0x05
#define SVPD_ID_TYPE_LUNGRP     0x06
#define SVPD_ID_TYPE_MD5_LUN_ID 0x07
#define SVPD_ID_TYPE_SCSI_NAME  0x08
#define SVPD_ID_TYPE_PROTO      0x09
#define SVPD_ID_TYPE_UUID       0x0a
#define SVPD_ID_TYPE_MASK       0x0f
        u_int8_t        reserved;
        u_int8_t        length;
#define SVPD_DEVICE_ID_DESC_HDR_LEN \
    __offsetof(struct scsi_vpd_id_descriptor, identifier) 
        u_int8_t        identifier[];
};
 
struct scsi_vpd_id_t10
{
        u_int8_t        vendor[8];
        u_int8_t        vendor_spec_id[0];
};
 
struct scsi_vpd_id_eui64
{
        u_int8_t        ieee_company_id[3];
        u_int8_t        extension_id[5];
};
 
struct scsi_vpd_id_naa_basic
{
        uint8_t naa;
        /* big endian, packed:
        uint8_t naa : 4;
        uint8_t naa_desig : 4;
        */
#define SVPD_ID_NAA_NAA_SHIFT           4
#define SVPD_ID_NAA_IEEE_EXT            0x02
#define SVPD_ID_NAA_LOCAL_REG           0x03
#define SVPD_ID_NAA_IEEE_REG            0x05
#define SVPD_ID_NAA_IEEE_REG_EXT        0x06
        uint8_t naa_data[];
};
 
struct scsi_vpd_id_naa_ieee_extended_id
{
        uint8_t naa;
        uint8_t vendor_specific_id_a;
        uint8_t ieee_company_id[3];
        uint8_t vendor_specific_id_b[4];
};
 
struct scsi_vpd_id_naa_local_reg
{
        uint8_t naa;
        uint8_t local_value[7];
};
 
struct scsi_vpd_id_naa_ieee_reg
{
        uint8_t naa;
        uint8_t reg_value[7];
        /* big endian, packed:
        uint8_t naa_basic : 4;
        uint8_t ieee_company_id_0 : 4;
        uint8_t ieee_company_id_1[2];
        uint8_t ieee_company_id_2 : 4;
        uint8_t vendor_specific_id_0 : 4;
        uint8_t vendor_specific_id_1[4];
        */
};
 
struct scsi_vpd_id_naa_ieee_reg_extended
{
        uint8_t naa;
        uint8_t reg_value[15];
        /* big endian, packed:
        uint8_t naa_basic : 4;
        uint8_t ieee_company_id_0 : 4;
        uint8_t ieee_company_id_1[2];
        uint8_t ieee_company_id_2 : 4;
        uint8_t vendor_specific_id_0 : 4;
        uint8_t vendor_specific_id_1[4];
        uint8_t vendor_specific_id_ext[8];
        */
};
 
struct scsi_vpd_id_rel_trgt_port_id
{
        uint8_t obsolete[2];
        uint8_t rel_trgt_port_id[2];
};
 
struct scsi_vpd_id_trgt_port_grp_id
{
        uint8_t reserved[2];
        uint8_t trgt_port_grp[2];
};
 
struct scsi_vpd_id_lun_grp_id
{
        uint8_t reserved[2];
        uint8_t log_unit_grp[2];
};
 
struct scsi_vpd_id_md5_lun_id
{
        uint8_t lun_id[16];
};
 
struct scsi_vpd_id_scsi_name
{
        uint8_t name_string[256];
};
 
struct scsi_service_action_in
{
        uint8_t opcode;
        uint8_t service_action;
        uint8_t action_dependent[13];
        uint8_t control;
};
 
struct scsi_vpd_extended_inquiry_data
{
        uint8_t device;
        uint8_t page_code;
#define SVPD_EXTENDED_INQUIRY_DATA      0x86
        uint8_t page_length[2];
        uint8_t flags1;
 
        /* These values are for direct access devices */
#define SVPD_EID_AM_MASK        0xC0
#define SVPD_EID_AM_DEFER       0x80
#define SVPD_EID_AM_IMMED       0x40
#define SVPD_EID_AM_UNDEFINED   0x00
#define SVPD_EID_AM_RESERVED    0xc0
#define SVPD_EID_SPT            0x38
#define SVPD_EID_SPT_1          0x00
#define SVPD_EID_SPT_12         0x08
#define SVPD_EID_SPT_2          0x10
#define SVPD_EID_SPT_13         0x18
#define SVPD_EID_SPT_3          0x20
#define SVPD_EID_SPT_23         0x28
#define SVPD_EID_SPT_123        0x38
 
        /* These values are for sequential access devices */
#define SVPD_EID_SA_SPT_LBP     0x08
 
#define SVPD_EID_GRD_CHK        0x04
#define SVPD_EID_APP_CHK        0x02
#define SVPD_EID_REF_CHK        0x01
 
        uint8_t flags2;
#define SVPD_EID_UASK_SUP       0x20
#define SVPD_EID_GROUP_SUP      0x10
#define SVPD_EID_PRIOR_SUP      0x08
#define SVPD_EID_HEADSUP        0x04
#define SVPD_EID_ORDSUP         0x02
#define SVPD_EID_SIMPSUP        0x01
        uint8_t flags3;
#define SVPD_EID_WU_SUP         0x08
#define SVPD_EID_CRD_SUP        0x04
#define SVPD_EID_NV_SUP         0x02
#define SVPD_EID_V_SUP          0x01
        uint8_t flags4;
#define SVPD_EID_NO_PI_CHK      0x20
#define SVPD_EID_P_I_I_SUP      0x10
#define SVPD_EID_LUICLR         0x01
        uint8_t flags5;
#define SVPD_EID_LUCT_MASK      0xe0
#define SVPD_EID_LUCT_NOT_REP   0x00
#define SVPD_EID_LUCT_CONGL     0x20
#define SVPD_EID_LUCT_GROUP     0x40
#define SVPD_EID_R_SUP          0x10
#define SVPD_EID_RTD_SUP        0x08
#define SVPD_EID_HSSRELEF       0x02
#define SVPD_EID_CBCS           0x01
        uint8_t flags6;
#define SVPD_EID_MULTI_I_T_FW   0x0F
#define SVPD_EID_MC_VENDOR_SPEC 0x00
#define SVPD_EID_MC_MODE_1      0x01
#define SVPD_EID_MC_MODE_2      0x02
#define SVPD_EID_MC_MODE_3      0x03
        uint8_t est[2];
        uint8_t flags7;
#define SVPD_EID_POA_SUP        0x80
#define SVPD_EID_HRA_SUP        0x40
#define SVPD_EID_VSA_SUP        0x20
        uint8_t max_sense_length;
        uint8_t bind_flags;
#define SVPD_EID_IBS            0x80
#define SVPD_EID_IAS            0x40
#define SVPD_EID_SAC            0x04
#define SVPD_EID_NRD1           0x02
#define SVPD_EID_NRD0           0x01
        uint8_t reserved2[49];
};
 
struct scsi_vpd_mode_page_policy_descr
{
        uint8_t page_code;
        uint8_t subpage_code;
        uint8_t policy;
#define SVPD_MPP_SHARED         0x00
#define SVPD_MPP_PORT           0x01
#define SVPD_MPP_I_T            0x03
#define SVPD_MPP_MLUS           0x80
        uint8_t reserved;
};
 
struct scsi_vpd_mode_page_policy
{
        uint8_t device;
        uint8_t page_code;
#define SVPD_MODE_PAGE_POLICY   0x87
        uint8_t page_length[2];
        struct scsi_vpd_mode_page_policy_descr descr[0];
};
 
struct scsi_diag_page {
        uint8_t page_code;
        uint8_t page_specific_flags;
        uint8_t length[2];
        uint8_t params[0];
};
 
struct scsi_vpd_port_designation
{
        uint8_t reserved[2];
        uint8_t relative_port_id[2];
        uint8_t reserved2[2];
        uint8_t initiator_transportid_length[2];
        uint8_t initiator_transportid[0];
};
 
struct scsi_vpd_port_designation_cont
{
        uint8_t reserved[2];
        uint8_t target_port_descriptors_length[2];
        struct scsi_vpd_id_descriptor target_port_descriptors[0];
};
 
struct scsi_vpd_scsi_ports
{
        u_int8_t device;
        u_int8_t page_code;
#define SVPD_SCSI_PORTS         0x88
        u_int8_t page_length[2];
        struct scsi_vpd_port_designation design[];
};
 
/*
 * ATA Information VPD Page based on
 * T10/2126-D Revision 04
 */
#define SVPD_ATA_INFORMATION            0x89
 
struct scsi_vpd_tpc_descriptor
{
        uint8_t desc_type[2];
        uint8_t desc_length[2];
        uint8_t parameters[];
};
 
struct scsi_vpd_tpc_descriptor_bdrl
{
        uint8_t desc_type[2];
#define SVPD_TPC_BDRL                   0x0000
        uint8_t desc_length[2];
        uint8_t vendor_specific[6];
        uint8_t maximum_ranges[2];
        uint8_t maximum_inactivity_timeout[4];
        uint8_t default_inactivity_timeout[4];
        uint8_t maximum_token_transfer_size[8];
        uint8_t optimal_transfer_count[8];
};
 
struct scsi_vpd_tpc_descriptor_sc_descr
{
        uint8_t opcode;
        uint8_t sa_length;
        uint8_t supported_service_actions[0];
};
 
struct scsi_vpd_tpc_descriptor_sc
{
        uint8_t desc_type[2];
#define SVPD_TPC_SC                     0x0001
        uint8_t desc_length[2];
        uint8_t list_length;
        struct scsi_vpd_tpc_descriptor_sc_descr descr[];
};
 
struct scsi_vpd_tpc_descriptor_pd
{
        uint8_t desc_type[2];
#define SVPD_TPC_PD                     0x0004
        uint8_t desc_length[2];
        uint8_t reserved[4];
        uint8_t maximum_cscd_descriptor_count[2];
        uint8_t maximum_segment_descriptor_count[2];
        uint8_t maximum_descriptor_list_length[4];
        uint8_t maximum_inline_data_length[4];
        uint8_t reserved2[12];
};
 
struct scsi_vpd_tpc_descriptor_sd
{
        uint8_t desc_type[2];
#define SVPD_TPC_SD                     0x0008
        uint8_t desc_length[2];
        uint8_t list_length;
        uint8_t supported_descriptor_codes[];
};
 
struct scsi_vpd_tpc_descriptor_sdid
{
        uint8_t desc_type[2];
#define SVPD_TPC_SDID                   0x000C
        uint8_t desc_length[2];
        uint8_t list_length[2];
        uint8_t supported_descriptor_ids[];
};
 
struct scsi_vpd_tpc_descriptor_rtf_block
{
        uint8_t type_format;
#define SVPD_TPC_RTF_BLOCK                      0x00
        uint8_t reserved;
        uint8_t desc_length[2];
        uint8_t reserved2[2];
        uint8_t optimal_length_granularity[2];
        uint8_t maximum_bytes[8];
        uint8_t optimal_bytes[8];
        uint8_t optimal_bytes_to_token_per_segment[8];
        uint8_t optimal_bytes_from_token_per_segment[8];
        uint8_t reserved3[8];
};
 
struct scsi_vpd_tpc_descriptor_rtf
{
        uint8_t desc_type[2];
#define SVPD_TPC_RTF                    0x0106
        uint8_t desc_length[2];
        uint8_t remote_tokens;
        uint8_t reserved[11];
        uint8_t minimum_token_lifetime[4];
        uint8_t maximum_token_lifetime[4];
        uint8_t maximum_token_inactivity_timeout[4];
        uint8_t reserved2[18];
        uint8_t type_specific_features_length[2];
        uint8_t type_specific_features[0];
};
 
struct scsi_vpd_tpc_descriptor_srtd
{
        uint8_t rod_type[4];
        uint8_t flags;
#define SVPD_TPC_SRTD_TOUT              0x01
#define SVPD_TPC_SRTD_TIN               0x02
#define SVPD_TPC_SRTD_ECPY              0x80
        uint8_t reserved;
        uint8_t preference_indicator[2];
        uint8_t reserved2[56];
};
 
struct scsi_vpd_tpc_descriptor_srt
{
        uint8_t desc_type[2];
#define SVPD_TPC_SRT                    0x0108
        uint8_t desc_length[2];
        uint8_t reserved[2];
        uint8_t rod_type_descriptors_length[2];
        uint8_t rod_type_descriptors[0];
};
 
struct scsi_vpd_tpc_descriptor_gco
{
        uint8_t desc_type[2];
#define SVPD_TPC_GCO                    0x8001
        uint8_t desc_length[2];
        uint8_t total_concurrent_copies[4];
        uint8_t maximum_identified_concurrent_copies[4];
        uint8_t maximum_segment_length[4];
        uint8_t data_segment_granularity;
        uint8_t inline_data_granularity;
        uint8_t reserved[18];
};
 
struct scsi_vpd_tpc
{
        uint8_t device;
        uint8_t page_code;
#define SVPD_SCSI_TPC                   0x8F
        uint8_t page_length[2];
        struct scsi_vpd_tpc_descriptor descr[];
};
 
/*
 * SCSI Feature Sets VPD Page
 */
struct scsi_vpd_sfs
{
        uint8_t device;
        uint8_t page_code;
#define SVPD_SCSI_SFS                   0x92
        uint8_t page_length[2];
        uint8_t reserved[4];
        uint8_t codes[];
};
 
/*
 * Block Device Characteristics VPD Page
 */
struct scsi_vpd_block_device_characteristics
{
        uint8_t device;
        uint8_t page_code;
#define SVPD_BDC                0xB1
        uint8_t page_length[2];
        uint8_t medium_rotation_rate[2];
#define SVPD_NOT_REPORTED       0x0000
#define SVPD_NON_ROTATING       0x0001
        uint8_t product_type;
        uint8_t wab_wac_ff;
        uint8_t flags;
#define SVPD_VBULS              0x01
#define SVPD_FUAB               0x02
#define SVPD_BOCS               0x04
#define SVPD_RBWZ               0x08
#define SVPD_ZBC_NR             0x00    /* Not Reported */
#define SVPD_HAW_ZBC            0x10    /* Host Aware */
#define SVPD_DM_ZBC             0x20    /* Drive Managed */
#define SVPD_ZBC_MASK           0x30    /* Zoned mask */
        uint8_t reserved[3];
        uint8_t depopulation_time[4];
        uint8_t reserved2[48];
};
_Static_assert(sizeof(struct scsi_vpd_block_device_characteristics) == 64,
    "scsi_vpd_block_characteristics wrong size");
 
#define SBDC_IS_PRESENT(bdc, length, field)                                \
        ((length >= offsetof(struct scsi_vpd_block_device_characteristics, \
          field) + sizeof(bdc->field)) ? 1 : 0)
 
/*
 * Logical Block Provisioning VPD Page based on
 * T10/1799-D Revision 31
 */
struct scsi_vpd_logical_block_prov
{
        u_int8_t device;
        u_int8_t page_code;
#define SVPD_LBP                0xB2
        u_int8_t page_length[2];
#define SVPD_LBP_PL_BASIC       0x04
        u_int8_t threshold_exponent;
        u_int8_t flags;
#define SVPD_LBP_UNMAP          0x80
#define SVPD_LBP_WS16           0x40
#define SVPD_LBP_WS10           0x20
#define SVPD_LBP_RZ             0x04
#define SVPD_LBP_ANC_SUP        0x02
#define SVPD_LBP_DP             0x01
        u_int8_t prov_type;
#define SVPD_LBP_RESOURCE       0x01
#define SVPD_LBP_THIN           0x02
        u_int8_t reserved;
        /*
         * Provisioning Group Descriptor can be here if SVPD_LBP_DP is set
         * Its size can be determined from page_length - 4
         */
};
 
/*
 * Block Limits VDP Page based on SBC-4 Revision 17
 */
struct scsi_vpd_block_limits
{
        u_int8_t device;
        u_int8_t page_code;
#define SVPD_BLOCK_LIMITS       0xB0
        u_int8_t page_length[2];
#define SVPD_BL_PL_BASIC        0x10
#define SVPD_BL_PL_TP           0x3C
        u_int8_t flags;
#define SVPD_BL_WSNZ            0x01
        u_int8_t max_cmp_write_len;
        u_int8_t opt_txfer_len_grain[2];
        u_int8_t max_txfer_len[4];
        u_int8_t opt_txfer_len[4];
        u_int8_t max_prefetch[4];
        u_int8_t max_unmap_lba_cnt[4];
        u_int8_t max_unmap_blk_cnt[4];
        u_int8_t opt_unmap_grain[4];
        u_int8_t unmap_grain_align[4];
        u_int8_t max_write_same_length[8];
        u_int8_t max_atomic_transfer_length[4];
        u_int8_t atomic_alignment[4];
        u_int8_t atomic_transfer_length_granularity[4];
        u_int8_t max_atomic_transfer_length_with_atomic_boundary[4];
        u_int8_t max_atomic_boundary_size[4];
};
 
/*
 * Zoned Block Device Characacteristics VPD page.
 * From ZBC-r04, dated August 12, 2015.
 */
struct scsi_vpd_zoned_bdc {
        uint8_t device;
        uint8_t page_code;
#define SVPD_ZONED_BDC          0xB6
        uint8_t page_length[2];
#define SVPD_ZBDC_PL    0x3C
        uint8_t flags;
#define SVPD_ZBDC_URSWRZ        0x01
        uint8_t reserved1[3];
        uint8_t optimal_seq_zones[4];
#define SVPD_ZBDC_OPT_SEQ_NR            0xffffffff
        uint8_t optimal_nonseq_zones[4];
#define SVPD_ZBDC_OPT_NONSEQ_NR         0xffffffff
        uint8_t max_seq_req_zones[4];
#define SVPD_ZBDC_MAX_SEQ_UNLIMITED     0xffffffff
        uint8_t reserved2[44];
};
 
struct scsi_read_capacity
{
        u_int8_t opcode;
        u_int8_t byte2;
#define SRC_RELADR      0x01
        u_int8_t addr[4];
        u_int8_t unused[2];
        u_int8_t pmi;
#define SRC_PMI         0x01
        u_int8_t control;
};
 
struct scsi_read_capacity_16
{
        uint8_t opcode;
#define SRC16_SERVICE_ACTION    0x10
        uint8_t service_action;
        uint8_t addr[8];
        uint8_t alloc_len[4];
#define SRC16_PMI               0x01
#define SRC16_RELADR            0x02
        uint8_t reladr;
        uint8_t control;
};
 
struct scsi_read_capacity_data
{
        u_int8_t addr[4];
        u_int8_t length[4];
};
 
struct scsi_read_capacity_data_long
{
        uint8_t addr[8];
        uint8_t length[4];
#define SRC16_PROT_EN           0x01
#define SRC16_P_TYPE            0x0e
#define SRC16_P_TYPE_SHIFT      1
#define SRC16_PTYPE_1           0x00
#define SRC16_PTYPE_2           0x02
#define SRC16_PTYPE_3           0x04
        uint8_t prot;
#define SRC16_LBPPBE            0x0f
#define SRC16_PI_EXPONENT       0xf0
#define SRC16_PI_EXPONENT_SHIFT 4
        uint8_t prot_lbppbe;
#define SRC16_LALBA             0x3f
#define SRC16_LBPRZ             0x40
#define SRC16_LBPME             0x80
/*
 * Alternate versions of these macros that are intended for use on a 16-bit
 * version of the lalba_lbp field instead of the array of 2 8 bit numbers.
 */
#define SRC16_LALBA_A           0x3fff
#define SRC16_LBPRZ_A           0x4000
#define SRC16_LBPME_A           0x8000
        uint8_t lalba_lbp[2];
        uint8_t reserved[16];
};
 
struct scsi_get_lba_status
{
        uint8_t opcode;
#define SGLS_SERVICE_ACTION     0x12
        uint8_t service_action;
        uint8_t addr[8];
        uint8_t alloc_len[4];
        uint8_t reserved;
        uint8_t control;
};
 
struct scsi_get_lba_status_data_descr
{
        uint8_t addr[8];
        uint8_t length[4];
        uint8_t status;
        uint8_t reserved[3];
};
 
struct scsi_get_lba_status_data
{
        uint8_t length[4];
        uint8_t reserved[4];
        struct scsi_get_lba_status_data_descr descr[];
};
 
struct scsi_report_luns
{
        uint8_t opcode;
        uint8_t reserved1;
#define RPL_REPORT_DEFAULT      0x00
#define RPL_REPORT_WELLKNOWN    0x01
#define RPL_REPORT_ALL          0x02
#define RPL_REPORT_ADMIN        0x10
#define RPL_REPORT_NONSUBSID    0x11
#define RPL_REPORT_CONGLOM      0x12
        uint8_t select_report;
        uint8_t reserved2[3];
        uint8_t length[4];
        uint8_t reserved3;
        uint8_t control;
};
 
struct scsi_report_luns_lundata {
        uint8_t lundata[8];
#define RPL_LUNDATA_PERIPH_BUS_MASK     0x3f
#define RPL_LUNDATA_FLAT_LUN_MASK       0x3f
#define RPL_LUNDATA_FLAT_LUN_BITS       0x06
#define RPL_LUNDATA_LUN_TARG_MASK       0x3f
#define RPL_LUNDATA_LUN_BUS_MASK        0xe0
#define RPL_LUNDATA_LUN_LUN_MASK        0x1f
#define RPL_LUNDATA_EXT_LEN_MASK        0x30
#define RPL_LUNDATA_EXT_EAM_MASK        0x0f
#define RPL_LUNDATA_EXT_EAM_WK          0x01
#define RPL_LUNDATA_EXT_EAM_NOT_SPEC    0x0f
#define RPL_LUNDATA_ATYP_MASK   0xc0    /* MBZ for type 0 lun */
#define RPL_LUNDATA_ATYP_PERIPH 0x00
#define RPL_LUNDATA_ATYP_FLAT   0x40
#define RPL_LUNDATA_ATYP_LUN    0x80
#define RPL_LUNDATA_ATYP_EXTLUN 0xc0
};
 
struct scsi_report_luns_data {
        u_int8_t length[4];     /* length of LUN inventory, in bytes */
        u_int8_t reserved[4];   /* unused */
        /*
         * LUN inventory- we only support the type zero form for now.
         */
        struct scsi_report_luns_lundata luns[0];
};
 
/*
 * GET PHYSICAL ELEMENT STATUS (GPES) from SBC-4 (r21 or later)
 * REMOVE ELEMENT AND TRUNCATE (RET) from SBC-4 (r21 or later)
 * RESTORE ELEMENT AND REBUILD (RER) from SBC-4 (r21 or later)
 *
 * Queries drives that support it for the status of feach of their physical
 * storage elements (which typically map to heads, but aren't required to).
 * These elements can be selective removed (at a reduced capacity) or restored
 * to service.
 */
struct scsi_get_physical_element_status
{
        uint8_t opcode;
        uint8_t service_action;
        uint8_t rsvd[4];
        uint8_t starting_element[4];
        uint8_t allocation_length[4];
        uint8_t report_type;
#define SCSI_GPES_FILTER_ALL            0x00
#define SCSI_GPES_FILTER_EXEPTION       0x40
#define SCSI_GPES_REPORT_TYPE_PHYS      0x00
#define SCSI_GEPS_REPORT_TYPE_STORAGE   0x01
        uint8_t control;
};
_Static_assert(sizeof(struct scsi_get_physical_element_status) == 16,
    "scsi_get_physical_element_status wrong size");
 
struct scsi_get_physical_element_hdr
{
        uint8_t num_descriptors[4];
        uint8_t num_returned[4];
        uint8_t id_depop[4];
        uint8_t rsvd[20];
};
_Static_assert(sizeof(struct scsi_get_physical_element_hdr) == 32,
    "scsi_get_physical_element_hdr wrong size");
 
struct scsi_get_physical_element_descriptor
{
        uint8_t rsvd1[4];
        uint8_t element_identifier[4];
        uint8_t rsvd2[5];
        uint8_t ralwd;
        uint8_t physical_element_type;
#define GPED_TYPE_STORAGE 0x1
        uint8_t physical_element_health;
        uint8_t capacity[8];
        uint8_t rsvd3[8];
};
_Static_assert(sizeof(struct scsi_get_physical_element_descriptor) == 32,
    "scsi_get_physical_element_descriptor wrong size");
 
struct scsi_remove_element_and_truncate
{
        uint8_t opcode;
        uint8_t service_action;
        uint8_t requested_capacity[8];
        uint8_t element_identifier[4];
        uint8_t rsvd;
        uint8_t control;
};
_Static_assert(sizeof(struct scsi_remove_element_and_truncate) == 16,
    "scsi_remove_element_and_truncate wrong size");
 
struct scsi_target_group
{
        uint8_t opcode;
        uint8_t service_action;
#define STG_PDF_MASK            0xe0
#define STG_PDF_LENGTH          0x00
#define STG_PDF_EXTENDED        0x20
        uint8_t reserved1[4];
        uint8_t length[4];
        uint8_t reserved2;
        uint8_t control;
};
 
struct scsi_timestamp
{
        uint8_t opcode;
        uint8_t service_action;
        uint8_t reserved1[4];
        uint8_t length[4];
        uint8_t reserved2;
        uint8_t control;
};
 
struct scsi_set_timestamp_parameters
{
        uint8_t reserved1[4];
        uint8_t timestamp[6];
        uint8_t reserved2[2];
};
 
struct scsi_report_timestamp_parameter_data
{
        uint8_t length[2];
        uint8_t reserved1[2];
        uint8_t timestamp[6];
        uint8_t reserved2[2];
};
 
struct scsi_target_port_descriptor {
        uint8_t reserved[2];
        uint8_t relative_target_port_identifier[2];
        uint8_t desc_list[];
};
 
struct scsi_target_port_group_descriptor {
        uint8_t pref_state;
#define TPG_PRIMARY                             0x80
#define TPG_ASYMMETRIC_ACCESS_STATE_MASK        0xf
#define TPG_ASYMMETRIC_ACCESS_OPTIMIZED         0x0
#define TPG_ASYMMETRIC_ACCESS_NONOPTIMIZED      0x1
#define TPG_ASYMMETRIC_ACCESS_STANDBY           0x2
#define TPG_ASYMMETRIC_ACCESS_UNAVAILABLE       0x3
#define TPG_ASYMMETRIC_ACCESS_LBA_DEPENDENT     0x4
#define TPG_ASYMMETRIC_ACCESS_OFFLINE           0xE
#define TPG_ASYMMETRIC_ACCESS_TRANSITIONING     0xF
        uint8_t support;
#define TPG_AO_SUP      0x01
#define TPG_AN_SUP      0x02
#define TPG_S_SUP       0x04
#define TPG_U_SUP       0x08
#define TPG_LBD_SUP     0x10
#define TPG_O_SUP       0x40
#define TPG_T_SUP       0x80
        uint8_t target_port_group[2];
        uint8_t reserved;
        uint8_t status;
#define TPG_UNAVLBL      0
#define TPG_SET_BY_STPG  0x01
#define TPG_IMPLICIT     0x02
        uint8_t vendor_specific;
        uint8_t target_port_count;
        struct scsi_target_port_descriptor descriptors[];
};
 
struct scsi_target_group_data {
        uint8_t length[4];      /* length of returned data, in bytes */
        struct scsi_target_port_group_descriptor groups[];
};
 
struct scsi_target_group_data_extended {
        uint8_t length[4];      /* length of returned data, in bytes */
        uint8_t format_type;    /* STG_PDF_LENGTH or STG_PDF_EXTENDED */
        uint8_t implicit_transition_time;
        uint8_t reserved[2];
        struct scsi_target_port_group_descriptor groups[];
};
 
struct scsi_security_protocol_in
{
        uint8_t opcode;
        uint8_t security_protocol;
#define SPI_PROT_INFORMATION            0x00
#define SPI_PROT_CBCS                   0x07
#define SPI_PROT_TAPE_DATA_ENC          0x20
#define SPI_PROT_DATA_ENC_CONFIG        0x21
#define SPI_PROT_SA_CREATE_CAP          0x40
#define SPI_PROT_IKEV2_SCSI             0x41
#define SPI_PROT_JEDEC_UFS              0xEC
#define SPI_PROT_SDCARD_TFSSS           0xED
#define SPI_PROT_AUTH_HOST_TRANSIENT    0xEE
#define SPI_PROT_ATA_DEVICE_PASSWORD    0xEF
        uint8_t security_protocol_specific[2];
        uint8_t byte4;
#define SPI_INC_512     0x80
        uint8_t reserved1;
        uint8_t length[4];
        uint8_t reserved2;
        uint8_t control;
};
 
struct scsi_security_protocol_out
{
        uint8_t opcode;
        uint8_t security_protocol;
        uint8_t security_protocol_specific[2];
        uint8_t byte4;
#define SPO_INC_512     0x80
        uint8_t reserved1;
        uint8_t length[4];
        uint8_t reserved2;
        uint8_t control;
};
 
typedef enum {
        SSD_TYPE_NONE,
        SSD_TYPE_FIXED,
        SSD_TYPE_DESC
} scsi_sense_data_type;
 
typedef enum {
        SSD_ELEM_NONE,
        SSD_ELEM_SKIP,
        SSD_ELEM_DESC,
        SSD_ELEM_SKS,
        SSD_ELEM_COMMAND,
        SSD_ELEM_INFO,
        SSD_ELEM_FRU,
        SSD_ELEM_STREAM,
        SSD_ELEM_MAX
} scsi_sense_elem_type;
 
struct scsi_sense_data
{
        uint8_t error_code;
        /*
         * SPC-4 says that the maximum length of sense data is 252 bytes.
         * So this structure is exactly 252 bytes log.
         */
#define SSD_FULL_SIZE 252
        uint8_t sense_buf[SSD_FULL_SIZE - 1];
        /*
         * XXX KDM is this still a reasonable minimum size?
         */
#define SSD_MIN_SIZE 18
        /*
         * Maximum value for the extra_len field in the sense data.
         */
#define SSD_EXTRA_MAX 244
};
 
/*
 * Fixed format sense data.
 */
struct scsi_sense_data_fixed
{
        u_int8_t error_code;
#define SSD_ERRCODE                     0x7F
#define         SSD_CURRENT_ERROR       0x70
#define         SSD_DEFERRED_ERROR      0x71
#define SSD_ERRCODE_VALID       0x80    
        u_int8_t segment;
        u_int8_t flags;
#define SSD_KEY                         0x0F
#define         SSD_KEY_NO_SENSE        0x00
#define         SSD_KEY_RECOVERED_ERROR 0x01
#define         SSD_KEY_NOT_READY       0x02
#define         SSD_KEY_MEDIUM_ERROR    0x03
#define         SSD_KEY_HARDWARE_ERROR  0x04
#define         SSD_KEY_ILLEGAL_REQUEST 0x05
#define         SSD_KEY_UNIT_ATTENTION  0x06
#define         SSD_KEY_DATA_PROTECT    0x07
#define         SSD_KEY_BLANK_CHECK     0x08
#define         SSD_KEY_Vendor_Specific 0x09
#define         SSD_KEY_COPY_ABORTED    0x0a
#define         SSD_KEY_ABORTED_COMMAND 0x0b
#define         SSD_KEY_EQUAL           0x0c
#define         SSD_KEY_VOLUME_OVERFLOW 0x0d
#define         SSD_KEY_MISCOMPARE      0x0e
#define         SSD_KEY_COMPLETED       0x0f
#define SSD_SDAT_OVFL   0x10
#define SSD_ILI         0x20
#define SSD_EOM         0x40
#define SSD_FILEMARK    0x80
        u_int8_t info[4];
        u_int8_t extra_len;
        u_int8_t cmd_spec_info[4];
        u_int8_t add_sense_code;
        u_int8_t add_sense_code_qual;
        u_int8_t fru;
        u_int8_t sense_key_spec[3];
#define SSD_SCS_VALID           0x80
#define SSD_FIELDPTR_CMD        0x40
#define SSD_BITPTR_VALID        0x08
#define SSD_BITPTR_VALUE        0x07
        u_int8_t extra_bytes[14];
#define SSD_FIXED_IS_PRESENT(sense, length, field)                      \
        ((length >= (offsetof(struct scsi_sense_data_fixed, field) +    \
        sizeof(sense->field))) ? 1 :0)
#define SSD_FIXED_IS_FILLED(sense, field)                               \
        ((((offsetof(struct scsi_sense_data_fixed, field) +             \
        sizeof(sense->field)) -                                         \
        (offsetof(struct scsi_sense_data_fixed, extra_len) +            \
        sizeof(sense->extra_len))) <= sense->extra_len) ? 1 : 0)
};
 
/*
 * Descriptor format sense data definitions.
 * Introduced in SPC-3.
 */
struct scsi_sense_data_desc 
{
        uint8_t error_code;
#define SSD_DESC_CURRENT_ERROR  0x72
#define SSD_DESC_DEFERRED_ERROR 0x73
        uint8_t sense_key;
        uint8_t add_sense_code;
        uint8_t add_sense_code_qual;
        uint8_t flags;
#define SSDD_SDAT_OVFL          0x80
        uint8_t reserved[2];
        /*
         * Note that SPC-4, section 4.5.2.1 says that the extra_len field
         * must be less than or equal to 244.
         */
        uint8_t extra_len;
        uint8_t sense_desc[0];
#define SSD_DESC_IS_PRESENT(sense, length, field)                       \
        ((length >= (offsetof(struct scsi_sense_data_desc, field) +     \
        sizeof(sense->field))) ? 1 :0)
};
 
struct scsi_sense_desc_header
{
        uint8_t desc_type;
        uint8_t length;
};
/*
 * The information provide in the Information descriptor is device type or
 * command specific information, and defined in a command standard.
 *
 * Note that any changes to the field names or positions in this structure,
 * even reserved fields, should be accompanied by an examination of the
 * code in ctl_set_sense() that uses them.
 *
 * Maximum descriptors allowed: 1 (as of SPC-4)
 */
struct scsi_sense_info
{
        uint8_t desc_type;
#define SSD_DESC_INFO   0x00
        uint8_t length;
        uint8_t byte2;
#define SSD_INFO_VALID  0x80
        uint8_t reserved;
        uint8_t info[8];
};
 
/*
 * Command-specific information depends on the command for which the
 * reported condition occurred.
 *
 * Note that any changes to the field names or positions in this structure,
 * even reserved fields, should be accompanied by an examination of the
 * code in ctl_set_sense() that uses them.
 *
 * Maximum descriptors allowed: 1 (as of SPC-4)
 */
struct scsi_sense_command
{
        uint8_t desc_type;
#define SSD_DESC_COMMAND        0x01
        uint8_t length;
        uint8_t reserved[2];
        uint8_t command_info[8];
};
 
/*
 * Sense key specific descriptor.  The sense key specific data format
 * depends on the sense key in question.
 *
 * Maximum descriptors allowed: 1 (as of SPC-4)
 */
struct scsi_sense_sks
{
        uint8_t desc_type;
#define SSD_DESC_SKS            0x02
        uint8_t length;
        uint8_t reserved1[2];
        uint8_t sense_key_spec[3];
#define SSD_SKS_VALID           0x80
        uint8_t reserved2;
};
 
/*
 * This is used for the Illegal Request sense key (0x05) only.
 */
struct scsi_sense_sks_field
{
        uint8_t byte0;
#define SSD_SKS_FIELD_VALID     0x80
#define SSD_SKS_FIELD_CMD       0x40
#define SSD_SKS_BPV             0x08
#define SSD_SKS_BIT_VALUE       0x07
        uint8_t field[2];
};
 
/* 
 * This is used for the Hardware Error (0x04), Medium Error (0x03) and
 * Recovered Error (0x01) sense keys.
 */
struct scsi_sense_sks_retry
{
        uint8_t byte0;
#define SSD_SKS_RETRY_VALID     0x80
        uint8_t actual_retry_count[2];
};
 
/*
 * Used with the NO Sense (0x00) or Not Ready (0x02) sense keys.
 */
struct scsi_sense_sks_progress
{
        uint8_t byte0;
#define SSD_SKS_PROGRESS_VALID  0x80
        uint8_t progress[2];
#define SSD_SKS_PROGRESS_DENOM  0x10000
};
 
/*
 * Used with the Copy Aborted (0x0a) sense key.
 */
struct scsi_sense_sks_segment
{
        uint8_t byte0;
#define SSD_SKS_SEGMENT_VALID   0x80
#define SSD_SKS_SEGMENT_SD      0x20
#define SSD_SKS_SEGMENT_BPV     0x08
#define SSD_SKS_SEGMENT_BITPTR  0x07
        uint8_t field[2];
};
 
/*
 * Used with the Unit Attention (0x06) sense key.
 *
 * This is currently used to indicate that the unit attention condition
 * queue has overflowed (when the overflow bit is set).
 */
struct scsi_sense_sks_overflow
{
        uint8_t byte0;
#define SSD_SKS_OVERFLOW_VALID  0x80
#define SSD_SKS_OVERFLOW_SET    0x01
        uint8_t reserved[2];
};
 
/*
 * This specifies which component is associated with the sense data.  There
 * is no standard meaning for the fru value.
 *
 * Maximum descriptors allowed: 1 (as of SPC-4)
 */
struct scsi_sense_fru
{
        uint8_t desc_type;
#define SSD_DESC_FRU            0x03
        uint8_t length;
        uint8_t reserved;
        uint8_t fru;
};
 
/*
 * Used for Stream commands, defined in SSC-4.
 *
 * Maximum descriptors allowed: 1 (as of SPC-4)
 */
 
struct scsi_sense_stream
{
        uint8_t desc_type;
#define SSD_DESC_STREAM         0x04
        uint8_t length;
        uint8_t reserved;
        uint8_t byte3;
#define SSD_DESC_STREAM_FM      0x80
#define SSD_DESC_STREAM_EOM     0x40
#define SSD_DESC_STREAM_ILI     0x20
};
 
/*
 * Used for Block commands, defined in SBC-3.
 *
 * This is currently (as of SBC-3) only used for the Incorrect Length
 * Indication (ILI) bit, which says that the data length requested in the
 * READ LONG or WRITE LONG command did not match the length of the logical
 * block.
 *
 * Maximum descriptors allowed: 1 (as of SPC-4)
 */
struct scsi_sense_block
{
        uint8_t desc_type;
#define SSD_DESC_BLOCK          0x05
        uint8_t length;
        uint8_t reserved;
        uint8_t byte3;
#define SSD_DESC_BLOCK_ILI      0x20
};
 
/*
 * Used for Object-Based Storage Devices (OSD-3).
 *
 * Maximum descriptors allowed: 1 (as of SPC-4)
 */
struct scsi_sense_osd_objid
{
        uint8_t desc_type;
#define SSD_DESC_OSD_OBJID      0x06
        uint8_t length;
        uint8_t reserved[6];
        /*
         * XXX KDM provide the bit definitions here?  There are a lot of
         * them, and we don't have an OSD driver yet.
         */
        uint8_t not_init_cmds[4];
        uint8_t completed_cmds[4];
        uint8_t partition_id[8];
        uint8_t object_id[8];
};
 
/*
 * Used for Object-Based Storage Devices (OSD-3).
 *
 * Maximum descriptors allowed: 1 (as of SPC-4)
 */
struct scsi_sense_osd_integrity
{
        uint8_t desc_type;
#define SSD_DESC_OSD_INTEGRITY  0x07
        uint8_t length;
        uint8_t integ_check_val[32];
};
 
/*
 * Used for Object-Based Storage Devices (OSD-3).
 *
 * Maximum descriptors allowed: 1 (as of SPC-4)
 */
struct scsi_sense_osd_attr_id
{
        uint8_t desc_type;
#define SSD_DESC_OSD_ATTR_ID    0x08
        uint8_t length;
        uint8_t reserved[2];
        uint8_t attr_desc[0];
};
 
/*
 * ATA Return descriptor, used for the SCSI ATA PASS-THROUGH(12), (16) and
 * (32) commands.  Described in SAT-4r05.
 */
struct scsi_sense_ata_ret_desc
{
        uint8_t desc_type;
#define SSD_DESC_ATA            0x09
        uint8_t length;
        uint8_t flags;
#define SSD_DESC_ATA_FLAG_EXTEND        0x01
        uint8_t error;
        uint8_t count_15_8;
        uint8_t count_7_0;
        uint8_t lba_31_24;
        uint8_t lba_7_0;
        uint8_t lba_39_32;
        uint8_t lba_15_8;
        uint8_t lba_47_40;
        uint8_t lba_23_16;
        uint8_t device;
        uint8_t status;
};
/*
 * Used with Sense keys No Sense (0x00) and Not Ready (0x02).
 *
 * Maximum descriptors allowed: 32 (as of SPC-4)
 */
struct scsi_sense_progress
{
        uint8_t desc_type;
#define SSD_DESC_PROGRESS       0x0a
        uint8_t length;
        uint8_t sense_key;
        uint8_t add_sense_code;
        uint8_t add_sense_code_qual;
        uint8_t reserved;
        uint8_t progress[2];
};
 
/*
 * This is typically forwarded as the result of an EXTENDED COPY command.
 *
 * Maximum descriptors allowed: 2 (as of SPC-4)
 */
struct scsi_sense_forwarded
{
        uint8_t desc_type;
#define SSD_DESC_FORWARDED      0x0c
        uint8_t length;
        uint8_t byte2;
#define SSD_FORWARDED_FSDT      0x80
#define SSD_FORWARDED_SDS_MASK  0x0f
#define SSD_FORWARDED_SDS_UNK   0x00
#define SSD_FORWARDED_SDS_EXSRC 0x01
#define SSD_FORWARDED_SDS_EXDST 0x02
        uint8_t status;
        uint8_t sense_data[];
};
 
/*
 * Vendor-specific sense descriptor.  The desc_type field will be in the
 * range between MIN and MAX inclusive.
 */
struct scsi_sense_vendor
{
        uint8_t desc_type;
#define SSD_DESC_VENDOR_MIN     0x80
#define SSD_DESC_VENDOR_MAX     0xff
        uint8_t length;
        uint8_t data[0];
};
 
struct scsi_mode_header_6
{
        u_int8_t data_length;   /* Sense data length */
        u_int8_t medium_type;
        u_int8_t dev_spec;
        u_int8_t blk_desc_len;
};
 
struct scsi_mode_header_10
{
        u_int8_t data_length[2];/* Sense data length */
        u_int8_t medium_type;
        u_int8_t dev_spec;
        u_int8_t flags;
#define SMH_LONGLBA     0x01
        u_int8_t unused;
        u_int8_t blk_desc_len[2];
};
 
struct scsi_mode_page_header
{
        u_int8_t page_code;
#define SMPH_PS         0x80
#define SMPH_SPF        0x40
#define SMPH_PC_MASK    0x3f
        u_int8_t page_length;
};
 
struct scsi_mode_page_header_sp
{
        uint8_t page_code;
        uint8_t subpage;
        uint8_t page_length[2];
};
 
struct scsi_mode_blk_desc
{
        u_int8_t density;
        u_int8_t nblocks[3];
        u_int8_t reserved;
        u_int8_t blklen[3];
};
 
#define SCSI_DEFAULT_DENSITY    0x00    /* use 'default' density */
#define SCSI_SAME_DENSITY       0x7f    /* use 'same' density- >= SCSI-2 only */
 
/*
 * Status Byte
 */
#define SCSI_STATUS_OK                  0x00
#define SCSI_STATUS_CHECK_COND          0x02
#define SCSI_STATUS_COND_MET            0x04
#define SCSI_STATUS_BUSY                0x08
#define SCSI_STATUS_INTERMED            0x10
#define SCSI_STATUS_INTERMED_COND_MET   0x14
#define SCSI_STATUS_RESERV_CONFLICT     0x18
#define SCSI_STATUS_CMD_TERMINATED      0x22    /* Obsolete in SAM-2 */
#define SCSI_STATUS_QUEUE_FULL          0x28
#define SCSI_STATUS_ACA_ACTIVE          0x30
#define SCSI_STATUS_TASK_ABORTED        0x40
 
struct scsi_inquiry_pattern {
        u_int8_t   type;
        u_int8_t   media_type;
#define SIP_MEDIA_REMOVABLE     0x01
#define SIP_MEDIA_FIXED         0x02
        const char *vendor;
        const char *product;
        const char *revision;
}; 
 
struct scsi_static_inquiry_pattern {
        u_int8_t   type;
        u_int8_t   media_type;
        char       vendor[SID_VENDOR_SIZE+1];
        char       product[SID_PRODUCT_SIZE+1];
        char       revision[SID_REVISION_SIZE+1];
};
 
struct scsi_sense_quirk_entry {
        struct scsi_inquiry_pattern     inq_pat;
        int                             num_sense_keys;
        int                             num_ascs;
        struct sense_key_table_entry    *sense_key_info;
        struct asc_table_entry          *asc_info;
};
 
struct sense_key_table_entry {
        u_int8_t    sense_key;
        u_int32_t   action;
        const char *desc;
};
 
struct asc_table_entry {
        u_int8_t    asc;
        u_int8_t    ascq;
        u_int32_t   action;
        const char *desc;
};
 
struct op_table_entry {
        u_int8_t    opcode;
        u_int32_t   opmask;
        const char  *desc;
};
 
struct scsi_op_quirk_entry {
        struct scsi_inquiry_pattern     inq_pat;
        int                             num_ops;
        struct op_table_entry           *op_table;
};
 
typedef enum {
        SSS_FLAG_NONE           = 0x00,
        SSS_FLAG_PRINT_COMMAND  = 0x01
} scsi_sense_string_flags;
 
struct scsi_nv {
        const char *name;
        uint64_t value;
};
 
typedef enum {
        SCSI_NV_FOUND,
        SCSI_NV_AMBIGUOUS,
        SCSI_NV_NOT_FOUND
} scsi_nv_status;
 
typedef enum {
        SCSI_NV_FLAG_NONE       = 0x00,
        SCSI_NV_FLAG_IG_CASE    = 0x01  /* Case insensitive comparison */
} scsi_nv_flags;
 
struct ccb_scsiio;
struct cam_periph;
union  ccb;
#ifndef _KERNEL
struct cam_device;
#endif
 
extern const char *scsi_sense_key_text[];
 
__BEGIN_DECLS
void scsi_sense_desc(int sense_key, int asc, int ascq,
                     struct scsi_inquiry_data *inq_data,
                     const char **sense_key_desc, const char **asc_desc);
scsi_sense_action scsi_error_action(struct ccb_scsiio* csio,
                                    struct scsi_inquiry_data *inq_data,
                                    u_int32_t sense_flags);
const char *    scsi_status_string(struct ccb_scsiio *csio);
 
void scsi_desc_iterate(struct scsi_sense_data_desc *sense, u_int sense_len,
                       int (*iter_func)(struct scsi_sense_data_desc *sense,
                                        u_int, struct scsi_sense_desc_header *,
                                        void *), void *arg);
uint8_t *scsi_find_desc(struct scsi_sense_data_desc *sense, u_int sense_len,
                        uint8_t desc_type);
void scsi_set_sense_data(struct scsi_sense_data *sense_data,
                         scsi_sense_data_type sense_format, int current_error,
                         int sense_key, int asc, int ascq, ...) ;
void scsi_set_sense_data_len(struct scsi_sense_data *sense_data,
    u_int *sense_len, scsi_sense_data_type sense_format, int current_error,
    int sense_key, int asc, int ascq, ...) ;
void scsi_set_sense_data_va(struct scsi_sense_data *sense_data,
    u_int *sense_len, scsi_sense_data_type sense_format,
    int current_error, int sense_key, int asc, int ascq, va_list ap);
int scsi_get_sense_info(struct scsi_sense_data *sense_data, u_int sense_len,
                        uint8_t info_type, uint64_t *info,
                        int64_t *signed_info);
int scsi_get_sks(struct scsi_sense_data *sense_data, u_int sense_len,
                 uint8_t *sks);
int scsi_get_block_info(struct scsi_sense_data *sense_data, u_int sense_len,
                        struct scsi_inquiry_data *inq_data,
                        uint8_t *block_bits);
int scsi_get_stream_info(struct scsi_sense_data *sense_data, u_int sense_len,
                         struct scsi_inquiry_data *inq_data,
                         uint8_t *stream_bits);
void scsi_info_sbuf(struct sbuf *sb, uint8_t *cdb, int cdb_len,
                    struct scsi_inquiry_data *inq_data, uint64_t info);
void scsi_command_sbuf(struct sbuf *sb, uint8_t *cdb, int cdb_len,
                       struct scsi_inquiry_data *inq_data, uint64_t csi);
void scsi_progress_sbuf(struct sbuf *sb, uint16_t progress);
int scsi_sks_sbuf(struct sbuf *sb, int sense_key, uint8_t *sks);
void scsi_fru_sbuf(struct sbuf *sb, uint64_t fru);
void scsi_stream_sbuf(struct sbuf *sb, uint8_t stream_bits);
void scsi_block_sbuf(struct sbuf *sb, uint8_t block_bits);
void scsi_sense_info_sbuf(struct sbuf *sb, struct scsi_sense_data *sense,
                          u_int sense_len, uint8_t *cdb, int cdb_len,
                          struct scsi_inquiry_data *inq_data,
                          struct scsi_sense_desc_header *header);
 
void scsi_sense_command_sbuf(struct sbuf *sb, struct scsi_sense_data *sense,
                             u_int sense_len, uint8_t *cdb, int cdb_len,
                             struct scsi_inquiry_data *inq_data,
                             struct scsi_sense_desc_header *header);
void scsi_sense_sks_sbuf(struct sbuf *sb, struct scsi_sense_data *sense,
                         u_int sense_len, uint8_t *cdb, int cdb_len,
                         struct scsi_inquiry_data *inq_data,
                         struct scsi_sense_desc_header *header);
void scsi_sense_fru_sbuf(struct sbuf *sb, struct scsi_sense_data *sense,
                         u_int sense_len, uint8_t *cdb, int cdb_len,
                         struct scsi_inquiry_data *inq_data,
                         struct scsi_sense_desc_header *header);
void scsi_sense_stream_sbuf(struct sbuf *sb, struct scsi_sense_data *sense,
                            u_int sense_len, uint8_t *cdb, int cdb_len,
                            struct scsi_inquiry_data *inq_data,
                            struct scsi_sense_desc_header *header);
void scsi_sense_block_sbuf(struct sbuf *sb, struct scsi_sense_data *sense,
                           u_int sense_len, uint8_t *cdb, int cdb_len,
                           struct scsi_inquiry_data *inq_data,
                           struct scsi_sense_desc_header *header);
void scsi_sense_progress_sbuf(struct sbuf *sb, struct scsi_sense_data *sense,
                              u_int sense_len, uint8_t *cdb, int cdb_len,
                              struct scsi_inquiry_data *inq_data,
                              struct scsi_sense_desc_header *header);
void scsi_sense_ata_sbuf(struct sbuf *sb, struct scsi_sense_data *sense,
                         u_int sense_len, uint8_t *cdb, int cdb_len,
                         struct scsi_inquiry_data *inq_data,
                         struct scsi_sense_desc_header *header);
void scsi_sense_forwarded_sbuf(struct sbuf *sb, struct scsi_sense_data *sense,
                              u_int sense_len, uint8_t *cdb, int cdb_len,
                              struct scsi_inquiry_data *inq_data,
                              struct scsi_sense_desc_header *header);
void scsi_sense_generic_sbuf(struct sbuf *sb, struct scsi_sense_data *sense,
                             u_int sense_len, uint8_t *cdb, int cdb_len,
                             struct scsi_inquiry_data *inq_data,
                             struct scsi_sense_desc_header *header);
void scsi_sense_desc_sbuf(struct sbuf *sb, struct scsi_sense_data *sense,
                          u_int sense_len, uint8_t *cdb, int cdb_len,
                          struct scsi_inquiry_data *inq_data,
                          struct scsi_sense_desc_header *header);
scsi_sense_data_type scsi_sense_type(struct scsi_sense_data *sense_data);
 
void scsi_sense_only_sbuf(struct scsi_sense_data *sense, u_int sense_len,
                          struct sbuf *sb, char *path_str,
                          struct scsi_inquiry_data *inq_data, uint8_t *cdb,
                          int cdb_len);
 
#ifdef _KERNEL
int             scsi_command_string(struct ccb_scsiio *csio, struct sbuf *sb);
int             scsi_sense_sbuf(struct ccb_scsiio *csio, struct sbuf *sb,
                                scsi_sense_string_flags flags);
char *          scsi_sense_string(struct ccb_scsiio *csio,
                                  char *str, int str_len);
void            scsi_sense_print(struct ccb_scsiio *csio);
int             scsi_vpd_supported_page(struct cam_periph *periph,
                                        uint8_t page_id);
#else /* _KERNEL */
int             scsi_command_string(struct cam_device *device,
                                    struct ccb_scsiio *csio, struct sbuf *sb);
int             scsi_sense_sbuf(struct cam_device *device, 
                                struct ccb_scsiio *csio, struct sbuf *sb,
                                scsi_sense_string_flags flags);
char *          scsi_sense_string(struct cam_device *device, 
                                  struct ccb_scsiio *csio,
                                  char *str, int str_len);
void            scsi_sense_print(struct cam_device *device, 
                                 struct ccb_scsiio *csio, FILE *ofile);
#endif /* _KERNEL */
 
const char *    scsi_op_desc(u_int16_t opcode, 
                             struct scsi_inquiry_data *inq_data);
char *          scsi_cdb_string(u_int8_t *cdb_ptr, char *cdb_string,
                                size_t len);
void            scsi_cdb_sbuf(u_int8_t *cdb_ptr, struct sbuf *sb);
 
void            scsi_print_inquiry(struct scsi_inquiry_data *inq_data);
void            scsi_print_inquiry_sbuf(struct sbuf *sb,
                                        struct scsi_inquiry_data *inq_data);
void            scsi_print_inquiry_short(struct scsi_inquiry_data *inq_data);
void            scsi_print_inquiry_short_sbuf(struct sbuf *sb,
                                              struct scsi_inquiry_data *inq_data);
 
u_int           scsi_calc_syncsrate(u_int period_factor);
u_int           scsi_calc_syncparam(u_int period);
 
typedef int     (*scsi_devid_checkfn_t)(uint8_t *);
int             scsi_devid_is_naa_ieee_reg(uint8_t *bufp);
int             scsi_devid_is_sas_target(uint8_t *bufp);
int             scsi_devid_is_lun_eui64(uint8_t *bufp);
int             scsi_devid_is_lun_naa(uint8_t *bufp);
int             scsi_devid_is_lun_name(uint8_t *bufp);
int             scsi_devid_is_lun_t10(uint8_t *bufp);
int             scsi_devid_is_lun_md5(uint8_t *bufp);
int             scsi_devid_is_lun_uuid(uint8_t *bufp);
int             scsi_devid_is_port_naa(uint8_t *bufp);
struct scsi_vpd_id_descriptor *
                scsi_get_devid(struct scsi_vpd_device_id *id, uint32_t len,
                               scsi_devid_checkfn_t ck_fn);
struct scsi_vpd_id_descriptor *
                scsi_get_devid_desc(struct scsi_vpd_id_descriptor *desc, uint32_t len,
                               scsi_devid_checkfn_t ck_fn);
 
int             scsi_transportid_sbuf(struct sbuf *sb,
                                      struct scsi_transportid_header *hdr,
                                      uint32_t valid_len);
 
const char *    scsi_nv_to_str(struct scsi_nv *table, int num_table_entries,
                               uint64_t value);
 
scsi_nv_status  scsi_get_nv(struct scsi_nv *table, int num_table_entries,
                            char *name, int *table_entry, scsi_nv_flags flags);
 
int     scsi_parse_transportid_64bit(int proto_id, char *id_str,
                                     struct scsi_transportid_header **hdr,
                                     unsigned int *alloc_len,
#ifdef _KERNEL
                                     struct malloc_type *type, int flags,
#endif
                                     char *error_str, int error_str_len);
 
int     scsi_parse_transportid_spi(char *id_str,
                                   struct scsi_transportid_header **hdr,
                                   unsigned int *alloc_len,
#ifdef _KERNEL
                                   struct malloc_type *type, int flags,
#endif
                                   char *error_str, int error_str_len);
 
int     scsi_parse_transportid_rdma(char *id_str,
                                    struct scsi_transportid_header **hdr,
                                    unsigned int *alloc_len,
#ifdef _KERNEL
                                    struct malloc_type *type, int flags,
#endif
                                    char *error_str, int error_str_len);
 
int     scsi_parse_transportid_iscsi(char *id_str,
                                     struct scsi_transportid_header **hdr,
                                     unsigned int *alloc_len,
#ifdef _KERNEL
                                     struct malloc_type *type, int flags,
#endif
                                     char *error_str,int error_str_len);
 
int     scsi_parse_transportid_sop(char *id_str,
                                   struct scsi_transportid_header **hdr,
                                   unsigned int *alloc_len,
#ifdef _KERNEL
                                   struct malloc_type *type, int flags,
#endif
                                   char *error_str,int error_str_len);
 
int     scsi_parse_transportid(char *transportid_str,
                               struct scsi_transportid_header **hdr,
                               unsigned int *alloc_len,
#ifdef _KERNEL
                               struct malloc_type *type, int flags,
#endif
                               char *error_str, int error_str_len);
 
int scsi_attrib_volcoh_sbuf(struct sbuf *sb,
                            struct scsi_mam_attribute_header *hdr,
                            uint32_t valid_len, uint32_t flags,
                            uint32_t output_flags, char *error_str,
                            int error_str_len);
 
int scsi_attrib_vendser_sbuf(struct sbuf *sb,
                             struct scsi_mam_attribute_header *hdr,
                             uint32_t valid_len, uint32_t flags,
                             uint32_t output_flags, char *error_str,
                             int error_str_len);
 
int scsi_attrib_hexdump_sbuf(struct sbuf *sb,
                             struct scsi_mam_attribute_header *hdr,
                             uint32_t valid_len, uint32_t flags,
                             uint32_t output_flags, char *error_str,
                             int error_str_len);
 
int scsi_attrib_int_sbuf(struct sbuf *sb, struct scsi_mam_attribute_header *hdr,
                         uint32_t valid_len, uint32_t flags,
                         uint32_t output_flags, char *error_str,
                         int error_str_len);
 
int scsi_attrib_ascii_sbuf(struct sbuf *sb,
                           struct scsi_mam_attribute_header *hdr,
                           uint32_t valid_len, uint32_t flags,
                           uint32_t output_flags, char *error_str,
                           int error_str_len);
 
int scsi_attrib_text_sbuf(struct sbuf *sb,
                          struct scsi_mam_attribute_header *hdr,
                          uint32_t valid_len, uint32_t flags,
                          uint32_t output_flags, char *error_str,
                          int error_str_len);
 
struct scsi_attrib_table_entry *scsi_find_attrib_entry(
                        struct scsi_attrib_table_entry *table,
                        size_t num_table_entries, uint32_t id);
 
struct scsi_attrib_table_entry *scsi_get_attrib_entry(uint32_t id);
 
int scsi_attrib_value_sbuf(struct sbuf *sb, uint32_t valid_len,
                           struct scsi_mam_attribute_header *hdr,
                           uint32_t output_flags, char *error_str,
                           size_t error_str_len);
 
void scsi_attrib_prefix_sbuf(struct sbuf *sb, uint32_t output_flags,
                             struct scsi_mam_attribute_header *hdr,
                             uint32_t valid_len, const char *desc);
 
int scsi_attrib_sbuf(struct sbuf *sb, struct scsi_mam_attribute_header *hdr,
                     uint32_t valid_len,
                     struct scsi_attrib_table_entry *user_table,
                     size_t num_user_entries, int prefer_user_table,
                     uint32_t output_flags, char *error_str, int error_str_len);
 
void            scsi_test_unit_ready(struct ccb_scsiio *csio, u_int32_t retries,
                                     void (*cbfcnp)(struct cam_periph *, 
                                                    union ccb *),
                                     u_int8_t tag_action, 
                                     u_int8_t sense_len, u_int32_t timeout);
 
void            scsi_request_sense(struct ccb_scsiio *csio, u_int32_t retries,
                                   void (*cbfcnp)(struct cam_periph *, 
                                                  union ccb *),
                                   void *data_ptr, u_int8_t dxfer_len,
                                   u_int8_t tag_action, u_int8_t sense_len,
                                   u_int32_t timeout);
 
void            scsi_inquiry(struct ccb_scsiio *csio, u_int32_t retries,
                             void (*cbfcnp)(struct cam_periph *, union ccb *),
                             u_int8_t tag_action, u_int8_t *inq_buf, 
                             u_int32_t inq_len, int evpd, u_int8_t page_code,
                             u_int8_t sense_len, u_int32_t timeout);
 
void            scsi_mode_sense(struct ccb_scsiio *csio, u_int32_t retries,
                    void (*cbfcnp)(struct cam_periph *, union ccb *),
                    uint8_t tag_action, int dbd, uint8_t pc, uint8_t page,
                    uint8_t *param_buf, uint32_t param_len,
                    uint8_t sense_len, uint32_t timeout);
 
void            scsi_mode_sense_len(struct ccb_scsiio *csio, u_int32_t retries,
                    void (*cbfcnp)(struct cam_periph *, union ccb *),
                    uint8_t tag_action, int dbd, uint8_t pc, uint8_t page,
                    uint8_t *param_buf, uint32_t param_len,
                    int minimum_cmd_size, uint8_t sense_len, uint32_t timeout);
 
void            scsi_mode_sense_subpage(struct ccb_scsiio *csio,
                    uint32_t retries,
                    void (*cbfcnp)(struct cam_periph *, union ccb *),
                    uint8_t tag_action, int dbd, uint8_t pc,
                    uint8_t page, uint8_t subpage,
                    uint8_t *param_buf, uint32_t param_len,
                    int minimum_cmd_size, uint8_t sense_len, uint32_t timeout);
 
void            scsi_mode_select(struct ccb_scsiio *csio, u_int32_t retries,
                                 void (*cbfcnp)(struct cam_periph *,
                                                union ccb *),
                                 u_int8_t tag_action, int scsi_page_fmt,
                                 int save_pages, u_int8_t *param_buf,
                                 u_int32_t param_len, u_int8_t sense_len,
                                 u_int32_t timeout);
 
void            scsi_mode_select_len(struct ccb_scsiio *csio, u_int32_t retries,
                                     void (*cbfcnp)(struct cam_periph *,
                                                    union ccb *),
                                     u_int8_t tag_action, int scsi_page_fmt,
                                     int save_pages, u_int8_t *param_buf,
                                     u_int32_t param_len, int minimum_cmd_size,
                                     u_int8_t sense_len, u_int32_t timeout);
 
void            scsi_log_sense(struct ccb_scsiio *csio, u_int32_t retries,
                               void (*cbfcnp)(struct cam_periph *, union ccb *),
                               u_int8_t tag_action, u_int8_t page_code,
                               u_int8_t page, int save_pages, int ppc,
                               u_int32_t paramptr, u_int8_t *param_buf,
                               u_int32_t param_len, u_int8_t sense_len,
                               u_int32_t timeout);
 
void            scsi_log_select(struct ccb_scsiio *csio, u_int32_t retries,
                                void (*cbfcnp)(struct cam_periph *,
                                union ccb *), u_int8_t tag_action,
                                u_int8_t page_code, int save_pages,
                                int pc_reset, u_int8_t *param_buf,
                                u_int32_t param_len, u_int8_t sense_len,
                                u_int32_t timeout);
 
void            scsi_prevent(struct ccb_scsiio *csio, u_int32_t retries,
                             void (*cbfcnp)(struct cam_periph *, union ccb *),
                             u_int8_t tag_action, u_int8_t action,
                             u_int8_t sense_len, u_int32_t timeout);
 
void            scsi_read_capacity(struct ccb_scsiio *csio, u_int32_t retries,
                                   void (*cbfcnp)(struct cam_periph *, 
                                   union ccb *), u_int8_t tag_action, 
                                   struct scsi_read_capacity_data *,
                                   u_int8_t sense_len, u_int32_t timeout);
void            scsi_read_capacity_16(struct ccb_scsiio *csio, uint32_t retries,
                                      void (*cbfcnp)(struct cam_periph *,
                                      union ccb *), uint8_t tag_action,
                                      uint64_t lba, int reladr, int pmi,
                                      uint8_t *rcap_buf, int rcap_buf_len,
                                      uint8_t sense_len, uint32_t timeout);
 
void            scsi_report_luns(struct ccb_scsiio *csio, u_int32_t retries,
                                 void (*cbfcnp)(struct cam_periph *, 
                                 union ccb *), u_int8_t tag_action, 
                                 u_int8_t select_report,
                                 struct scsi_report_luns_data *rpl_buf,
                                 u_int32_t alloc_len, u_int8_t sense_len,
                                 u_int32_t timeout);
 
void            scsi_report_target_group(struct ccb_scsiio *csio, u_int32_t retries,
                                 void (*cbfcnp)(struct cam_periph *, 
                                 union ccb *), u_int8_t tag_action, 
                                 u_int8_t pdf,
                                 void *buf,
                                 u_int32_t alloc_len, u_int8_t sense_len,
                                 u_int32_t timeout);
 
void            scsi_report_timestamp(struct ccb_scsiio *csio, u_int32_t retries,
                                 void (*cbfcnp)(struct cam_periph *, 
                                 union ccb *), u_int8_t tag_action, 
                                 u_int8_t pdf,
                                 void *buf,
                                 u_int32_t alloc_len, u_int8_t sense_len,
                                 u_int32_t timeout);
 
void            scsi_set_target_group(struct ccb_scsiio *csio, u_int32_t retries,
                                 void (*cbfcnp)(struct cam_periph *, 
                                 union ccb *), u_int8_t tag_action, void *buf,
                                 u_int32_t alloc_len, u_int8_t sense_len,
                                 u_int32_t timeout);
 
void            scsi_create_timestamp(uint8_t *timestamp_6b_buf,
                                      uint64_t timestamp);
 
void            scsi_set_timestamp(struct ccb_scsiio *csio, u_int32_t retries,
                                   void (*cbfcnp)(struct cam_periph *, 
                                   union ccb *), u_int8_t tag_action,
                                   void *buf, u_int32_t alloc_len,
                                   u_int8_t sense_len, u_int32_t timeout);
 
void            scsi_synchronize_cache(struct ccb_scsiio *csio, 
                                       u_int32_t retries,
                                       void (*cbfcnp)(struct cam_periph *, 
                                       union ccb *), u_int8_t tag_action, 
                                       u_int32_t begin_lba, u_int16_t lb_count,
                                       u_int8_t sense_len, u_int32_t timeout);
 
void scsi_receive_diagnostic_results(struct ccb_scsiio *csio, u_int32_t retries,
                                     void (*cbfcnp)(struct cam_periph *,
                                                    union ccb*),
                                     uint8_t tag_action, int pcv,
                                     uint8_t page_code, uint8_t *data_ptr,
                                     uint16_t allocation_length,
                                     uint8_t sense_len, uint32_t timeout);
 
void scsi_send_diagnostic(struct ccb_scsiio *csio, u_int32_t retries,
                          void (*cbfcnp)(struct cam_periph *, union ccb *),
                          uint8_t tag_action, int unit_offline,
                          int device_offline, int self_test, int page_format,
                          int self_test_code, uint8_t *data_ptr,
                          uint16_t param_list_length, uint8_t sense_len,
                          uint32_t timeout);
 
void scsi_get_physical_element_status(struct ccb_scsiio *csio, u_int32_t retries,
                                      void (*cbfcnp)(struct cam_periph *, union ccb *),
                                      uint8_t tag_action, uint8_t *data_ptr,
                                      uint16_t allocation_length, uint8_t report_type,
                                      uint32_t starting_element,
                                      uint8_t sense_len, uint32_t timeout);
 
void scsi_remove_element_and_truncate(struct ccb_scsiio *csio, u_int32_t retries,
                                      void (*cbfcnp)(struct cam_periph *, union ccb *),
                                      uint8_t tag_action,
                                      uint64_t requested_capacity, uint32_t element_id,
                                      uint8_t sense_len, uint32_t timeout);
 
void scsi_restore_elements_and_rebuild(struct ccb_scsiio *csio, u_int32_t retries,
                                       void (*cbfcnp)(struct cam_periph *, union ccb *),
                                       uint8_t tag_action,
                                       uint8_t sense_len, uint32_t timeout);
 
void scsi_read_buffer(struct ccb_scsiio *csio, u_int32_t retries,
                        void (*cbfcnp)(struct cam_periph *, union ccb*),
                        uint8_t tag_action, int mode,
                        uint8_t buffer_id, u_int32_t offset,
                        uint8_t *data_ptr, uint32_t allocation_length,
                        uint8_t sense_len, uint32_t timeout);
 
void scsi_write_buffer(struct ccb_scsiio *csio, u_int32_t retries,
                        void (*cbfcnp)(struct cam_periph *, union ccb *),
                        uint8_t tag_action, int mode,
                        uint8_t buffer_id, u_int32_t offset,
                        uint8_t *data_ptr, uint32_t param_list_length,
                        uint8_t sense_len, uint32_t timeout);
 
#define SCSI_RW_READ    0x0001
#define SCSI_RW_WRITE   0x0002
#define SCSI_RW_DIRMASK 0x0003
#define SCSI_RW_BIO     0x1000
void scsi_read_write(struct ccb_scsiio *csio, u_int32_t retries,
                     void (*cbfcnp)(struct cam_periph *, union ccb *),
                     u_int8_t tag_action, int readop, u_int8_t byte2, 
                     int minimum_cmd_size, u_int64_t lba,
                     u_int32_t block_count, u_int8_t *data_ptr,
                     u_int32_t dxfer_len, u_int8_t sense_len,
                     u_int32_t timeout);
 
void scsi_write_same(struct ccb_scsiio *csio, u_int32_t retries,
                     void (*cbfcnp)(struct cam_periph *, union ccb *),
                     u_int8_t tag_action, u_int8_t byte2, 
                     int minimum_cmd_size, u_int64_t lba,
                     u_int32_t block_count, u_int8_t *data_ptr,
                     u_int32_t dxfer_len, u_int8_t sense_len,
                     u_int32_t timeout);
 
void scsi_ata_identify(struct ccb_scsiio *csio, u_int32_t retries,
                       void (*cbfcnp)(struct cam_periph *, union ccb *),
                       u_int8_t tag_action, u_int8_t *data_ptr,
                       u_int16_t dxfer_len, u_int8_t sense_len,
                       u_int32_t timeout);
 
void scsi_ata_trim(struct ccb_scsiio *csio, u_int32_t retries,
                   void (*cbfcnp)(struct cam_periph *, union ccb *),
                   u_int8_t tag_action, u_int16_t block_count,
                   u_int8_t *data_ptr, u_int16_t dxfer_len,
                   u_int8_t sense_len, u_int32_t timeout);
 
int scsi_ata_read_log(struct ccb_scsiio *csio, uint32_t retries,
                      void (*cbfcnp)(struct cam_periph *, union ccb *),
                      uint8_t tag_action, uint32_t log_address,
                      uint32_t page_number, uint16_t block_count,
                      uint8_t protocol, uint8_t *data_ptr, uint32_t dxfer_len,
                      uint8_t sense_len, uint32_t timeout);
 
int scsi_ata_setfeatures(struct ccb_scsiio *csio, uint32_t retries,
                         void (*cbfcnp)(struct cam_periph *, union ccb *),
                         uint8_t tag_action, uint8_t feature,
                         uint64_t lba, uint32_t count,
                         uint8_t sense_len, uint32_t timeout);
 
int scsi_ata_pass(struct ccb_scsiio *csio, uint32_t retries,
                  void (*cbfcnp)(struct cam_periph *, union ccb *),
                  uint32_t flags, uint8_t tag_action,
                  uint8_t protocol, uint8_t ata_flags, uint16_t features,
                  uint16_t sector_count, uint64_t lba, uint8_t command,
                  uint8_t device, uint8_t icc, uint32_t auxiliary,
                  uint8_t control, u_int8_t *data_ptr, uint32_t dxfer_len,
                  uint8_t *cdb_storage, size_t cdb_storage_len,
                  int minimum_cmd_size, u_int8_t sense_len, u_int32_t timeout);
 
void scsi_ata_pass_16(struct ccb_scsiio *csio, u_int32_t retries,
                      void (*cbfcnp)(struct cam_periph *, union ccb *),
                      u_int32_t flags, u_int8_t tag_action,
                      u_int8_t protocol, u_int8_t ata_flags, u_int16_t features,
                      u_int16_t sector_count, uint64_t lba, u_int8_t command,
                      u_int8_t control, u_int8_t *data_ptr, u_int16_t dxfer_len,
                      u_int8_t sense_len, u_int32_t timeout);
 
void scsi_unmap(struct ccb_scsiio *csio, u_int32_t retries,
                void (*cbfcnp)(struct cam_periph *, union ccb *),
                u_int8_t tag_action, u_int8_t byte2,
                u_int8_t *data_ptr, u_int16_t dxfer_len,
                u_int8_t sense_len, u_int32_t timeout);
 
void scsi_start_stop(struct ccb_scsiio *csio, u_int32_t retries,
                     void (*cbfcnp)(struct cam_periph *, union ccb *),
                     u_int8_t tag_action, int start, int load_eject,
                     int immediate, u_int8_t sense_len, u_int32_t timeout);
void scsi_read_attribute(struct ccb_scsiio *csio, u_int32_t retries, 
                         void (*cbfcnp)(struct cam_periph *, union ccb *),
                         u_int8_t tag_action, u_int8_t service_action,
                         uint32_t element, u_int8_t elem_type,
                         int logical_volume, int partition,
                         u_int32_t first_attribute, int cache, u_int8_t *data_ptr,
                         u_int32_t length, int sense_len, u_int32_t timeout);
void scsi_write_attribute(struct ccb_scsiio *csio, u_int32_t retries, 
                          void (*cbfcnp)(struct cam_periph *, union ccb *),
                          u_int8_t tag_action, uint32_t element,
                          int logical_volume, int partition, int wtc, u_int8_t *data_ptr,
                          u_int32_t length, int sense_len, u_int32_t timeout);
 
void scsi_security_protocol_in(struct ccb_scsiio *csio, uint32_t retries, 
                               void (*cbfcnp)(struct cam_periph *, union ccb *),
                               uint8_t tag_action, uint32_t security_protocol,
                               uint32_t security_protocol_specific, int byte4,
                               uint8_t *data_ptr, uint32_t dxfer_len,
                               int sense_len, int timeout);
 
void scsi_security_protocol_out(struct ccb_scsiio *csio, uint32_t retries, 
                                void (*cbfcnp)(struct cam_periph *,union ccb *),
                                uint8_t tag_action, uint32_t security_protocol,
                                uint32_t security_protocol_specific, int byte4,
                                uint8_t *data_ptr, uint32_t dxfer_len,
                                int sense_len, int timeout);
 
void scsi_persistent_reserve_in(struct ccb_scsiio *csio, uint32_t retries, 
                                void (*cbfcnp)(struct cam_periph *,union ccb *),
                                uint8_t tag_action, int service_action,
                                uint8_t *data_ptr, uint32_t dxfer_len,
                                int sense_len, int timeout);
 
void scsi_persistent_reserve_out(struct ccb_scsiio *csio, uint32_t retries, 
                                 void (*cbfcnp)(struct cam_periph *,
                                       union ccb *),
                                 uint8_t tag_action, int service_action,
                                 int scope, int res_type, uint8_t *data_ptr,
                                 uint32_t dxfer_len, int sense_len,
                                 int timeout);
 
void scsi_report_supported_opcodes(struct ccb_scsiio *csio, uint32_t retries, 
                                   void (*cbfcnp)(struct cam_periph *,
                                                  union ccb *),
                                   uint8_t tag_action, int options,
                                   int req_opcode, int req_service_action,
                                   uint8_t *data_ptr, uint32_t dxfer_len,
                                   int sense_len, int timeout);
 
int             scsi_inquiry_match(caddr_t inqbuffer, caddr_t table_entry);
int             scsi_static_inquiry_match(caddr_t inqbuffer,
                                          caddr_t table_entry);
int             scsi_devid_match(uint8_t *rhs, size_t rhs_len,
                                 uint8_t *lhs, size_t lhs_len);
 
void scsi_extract_sense(struct scsi_sense_data *sense, int *error_code,
                        int *sense_key, int *asc, int *ascq);
int scsi_extract_sense_ccb(union ccb *ccb, int *error_code, int *sense_key,
                           int *asc, int *ascq);
void scsi_extract_sense_len(struct scsi_sense_data *sense,
                            u_int sense_len, int *error_code, int *sense_key,
                            int *asc, int *ascq, int show_errors);
int scsi_get_sense_key(struct scsi_sense_data *sense, u_int sense_len,
                       int show_errors);
int scsi_get_asc(struct scsi_sense_data *sense, u_int sense_len,
                 int show_errors);
int scsi_get_ascq(struct scsi_sense_data *sense, u_int sense_len,
                  int show_errors);
 
static __inline void
scsi_ulto2b(u_int32_t val, u_int8_t *bytes)
{
 
        bytes[0] = (val >> 8) & 0xff;
        bytes[1] = val & 0xff;
}
 
static __inline void
scsi_ulto3b(u_int32_t val, u_int8_t *bytes)
{
 
        bytes[0] = (val >> 16) & 0xff;
        bytes[1] = (val >> 8) & 0xff;
        bytes[2] = val & 0xff;
}
 
static __inline void
scsi_ulto4b(u_int32_t val, u_int8_t *bytes)
{
 
        bytes[0] = (val >> 24) & 0xff;
        bytes[1] = (val >> 16) & 0xff;
        bytes[2] = (val >> 8) & 0xff;
        bytes[3] = val & 0xff;
}
 
static __inline void
scsi_u64to8b(u_int64_t val, u_int8_t *bytes)
{
 
        bytes[0] = (val >> 56) & 0xff;
        bytes[1] = (val >> 48) & 0xff;
        bytes[2] = (val >> 40) & 0xff;
        bytes[3] = (val >> 32) & 0xff;
        bytes[4] = (val >> 24) & 0xff;
        bytes[5] = (val >> 16) & 0xff;
        bytes[6] = (val >> 8) & 0xff;
        bytes[7] = val & 0xff;
}
 
static __inline uint32_t
scsi_2btoul(const uint8_t *bytes)
{
        uint32_t rv;
 
        rv = (bytes[0] << 8) |
             bytes[1];
        return (rv);
}
 
static __inline uint32_t
scsi_3btoul(const uint8_t *bytes)
{
        uint32_t rv;
 
        rv = (bytes[0] << 16) |
             (bytes[1] << 8) |
             bytes[2];
        return (rv);
}
 
static __inline int32_t 
scsi_3btol(const uint8_t *bytes)
{
        uint32_t rc = scsi_3btoul(bytes);
 
        if (rc & 0x00800000)
                rc |= 0xff000000;
 
        return (int32_t) rc;
}
 
static __inline uint32_t
scsi_4btoul(const uint8_t *bytes)
{
        uint32_t rv;
 
        rv = (bytes[0] << 24) |
             (bytes[1] << 16) |
             (bytes[2] << 8) |
             bytes[3];
        return (rv);
}
 
static __inline uint64_t
scsi_8btou64(const uint8_t *bytes)
{
        uint64_t rv;
 
        rv = (((uint64_t)bytes[0]) << 56) |
             (((uint64_t)bytes[1]) << 48) |
             (((uint64_t)bytes[2]) << 40) |
             (((uint64_t)bytes[3]) << 32) |
             (((uint64_t)bytes[4]) << 24) |
             (((uint64_t)bytes[5]) << 16) |
             (((uint64_t)bytes[6]) << 8) |
             bytes[7];
        return (rv);
}
 
/*
 * Given the pointer to a returned mode sense buffer, return a pointer to
 * the start of the first mode page.
 */
static __inline void *
find_mode_page_6(struct scsi_mode_header_6 *mode_header)
{
        void *page_start;
 
        page_start = (void *)((u_int8_t *)&mode_header[1] +
                              mode_header->blk_desc_len);
 
        return(page_start);
}
 
static __inline void *
find_mode_page_10(struct scsi_mode_header_10 *mode_header)
{
        void *page_start;
 
        page_start = (void *)((u_int8_t *)&mode_header[1] +
                               scsi_2btoul(mode_header->blk_desc_len));
 
        return(page_start);
}
 
__END_DECLS
 
#endif /*_SCSI_SCSI_ALL_H*/