1 #define TCM_LOOP_VERSION "v2.1-rc2" 2 #define TL_WWN_ADDR_LEN 256 3 #define TL_TPGS_PER_HBA 32 4 5 /* 6 * Used in tcm_loop_driver_probe() for struct Scsi_Host->max_cmd_len 7 */ 8 #define TL_SCSI_MAX_CMD_LEN 32 9 10 struct tcm_loop_cmd { 11 /* State of Linux/SCSI CDB+Data descriptor */ 12 u32 sc_cmd_state; 13 /* Pointer to the CDB+Data descriptor from Linux/SCSI subsystem */ 14 struct scsi_cmnd *sc; 15 /* The TCM I/O descriptor that is accessed via container_of() */ 16 struct se_cmd tl_se_cmd; 17 struct work_struct work; 18 /* Sense buffer that will be mapped into outgoing status */ 19 unsigned char tl_sense_buf[TRANSPORT_SENSE_BUFFER]; 20 }; 21 22 struct tcm_loop_tmr { 23 atomic_t tmr_complete; 24 wait_queue_head_t tl_tmr_wait; 25 }; 26 27 struct tcm_loop_nexus { 28 int it_nexus_active; 29 /* 30 * Pointer to Linux/SCSI HBA from linux/include/scsi_host.h 31 */ 32 struct scsi_host *sh; 33 /* 34 * Pointer to TCM session for I_T Nexus 35 */ 36 struct se_session *se_sess; 37 }; 38 39 struct tcm_loop_nacl { 40 struct se_node_acl se_node_acl; 41 }; 42 43 struct tcm_loop_tpg { 44 unsigned short tl_tpgt; 45 atomic_t tl_tpg_port_count; 46 struct se_portal_group tl_se_tpg; 47 struct tcm_loop_hba *tl_hba; 48 }; 49 50 struct tcm_loop_hba { 51 u8 tl_proto_id; 52 unsigned char tl_wwn_address[TL_WWN_ADDR_LEN]; 53 struct se_hba_s *se_hba; 54 struct se_lun *tl_hba_lun; 55 struct se_port *tl_hba_lun_sep; 56 struct se_device_s *se_dev_hba_ptr; 57 struct tcm_loop_nexus *tl_nexus; 58 struct device dev; 59 struct Scsi_Host *sh; 60 struct tcm_loop_tpg tl_hba_tpgs[TL_TPGS_PER_HBA]; 61 struct se_wwn tl_hba_wwn; 62 }; 63