LXR linux/drivers/target/loopback/tcm

   1#define TCM_LOOP_VERSION                "v2.1-rc2"
   2#define TL_WWN_ADDR_LEN                 256
   3#define TL_TPGS_PER_HBA                 32
   4
   5struct tcm_loop_cmd {
   6        /* State of Linux/SCSI CDB+Data descriptor */
   7        u32 sc_cmd_state;
   8        /* Tagged command queueing */
   9        u32 sc_cmd_tag;
  10        /* Pointer to the CDB+Data descriptor from Linux/SCSI subsystem */
  11        struct scsi_cmnd *sc;
  12        /* The TCM I/O descriptor that is accessed via container_of() */
  13        struct se_cmd tl_se_cmd;
  14        struct work_struct work;
  15        /* Sense buffer that will be mapped into outgoing status */
  16        unsigned char tl_sense_buf[TRANSPORT_SENSE_BUFFER];
  17};
  18
  19struct tcm_loop_tmr {
  20        atomic_t tmr_complete;
  21        wait_queue_head_t tl_tmr_wait;
  22};
  23
  24struct tcm_loop_nexus {
  25        /*
  26         * Pointer to TCM session for I_T Nexus
  27         */
  28        struct se_session *se_sess;
  29};
  30
  31#define TCM_TRANSPORT_ONLINE 0
  32#define TCM_TRANSPORT_OFFLINE 1
  33
  34struct tcm_loop_tpg {
  35        unsigned short tl_tpgt;
  36        unsigned short tl_transport_status;
  37        enum target_prot_type tl_fabric_prot_type;
  38        atomic_t tl_tpg_port_count;
  39        struct se_portal_group tl_se_tpg;
  40        struct tcm_loop_hba *tl_hba;
  41        struct tcm_loop_nexus *tl_nexus;
  42};
  43
  44struct tcm_loop_hba {
  45        u8 tl_proto_id;
  46        unsigned char tl_wwn_address[TL_WWN_ADDR_LEN];
  47        struct se_hba_s *se_hba;
  48        struct se_lun *tl_hba_lun;
  49        struct se_port *tl_hba_lun_sep;
  50        struct device dev;
  51        struct Scsi_Host *sh;
  52        struct tcm_loop_tpg tl_hba_tpgs[TL_TPGS_PER_HBA];
  53        struct se_wwn tl_hba_wwn;
  54};
  55