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 /* Tagged command queueing */ 14 u32 sc_cmd_tag; 15 /* Pointer to the CDB+Data descriptor from Linux/SCSI subsystem */ 16 struct scsi_cmnd *sc; 17 /* The TCM I/O descriptor that is accessed via container_of() */ 18 struct se_cmd tl_se_cmd; 19 struct work_struct work; 20 /* Sense buffer that will be mapped into outgoing status */ 21 unsigned char tl_sense_buf[TRANSPORT_SENSE_BUFFER]; 22 }; 23 24 struct tcm_loop_tmr { 25 atomic_t tmr_complete; 26 wait_queue_head_t tl_tmr_wait; 27 }; 28 29 struct tcm_loop_nexus { 30 int it_nexus_active; 31 /* 32 * Pointer to Linux/SCSI HBA from linux/include/scsi_host.h 33 */ 34 struct scsi_host *sh; 35 /* 36 * Pointer to TCM session for I_T Nexus 37 */ 38 struct se_session *se_sess; 39 }; 40 41 struct tcm_loop_nacl { 42 struct se_node_acl se_node_acl; 43 }; 44 45 #define TCM_TRANSPORT_ONLINE 0 46 #define TCM_TRANSPORT_OFFLINE 1 47 48 struct tcm_loop_tpg { 49 unsigned short tl_tpgt; 50 unsigned short tl_transport_status; 51 atomic_t tl_tpg_port_count; 52 struct se_portal_group tl_se_tpg; 53 struct tcm_loop_hba *tl_hba; 54 }; 55 56 struct tcm_loop_hba { 57 u8 tl_proto_id; 58 unsigned char tl_wwn_address[TL_WWN_ADDR_LEN]; 59 struct se_hba_s *se_hba; 60 struct se_lun *tl_hba_lun; 61 struct se_port *tl_hba_lun_sep; 62 struct tcm_loop_nexus *tl_nexus; 63 struct device dev; 64 struct Scsi_Host *sh; 65 struct tcm_loop_tpg tl_hba_tpgs[TL_TPGS_PER_HBA]; 66 struct se_wwn tl_hba_wwn; 67 }; 68