1 #include <linux/types.h> 2 #include <linux/device.h> 3 #include <target/target_core_base.h> /* struct se_cmd */ 4 5 #define TCM_LOOP_VERSION "v2.1-rc2" 6 #define TL_WWN_ADDR_LEN 256 7 #define TL_TPGS_PER_HBA 32 8 9 struct tcm_loop_cmd { 10 /* State of Linux/SCSI CDB+Data descriptor */ 11 u32 sc_cmd_state; 12 /* Tagged command queueing */ 13 u32 sc_cmd_tag; 14 /* Pointer to the CDB+Data descriptor from Linux/SCSI subsystem */ 15 struct scsi_cmnd *sc; 16 /* The TCM I/O descriptor that is accessed via container_of() */ 17 struct se_cmd tl_se_cmd; 18 struct work_struct work; 19 /* Sense buffer that will be mapped into outgoing status */ 20 unsigned char tl_sense_buf[TRANSPORT_SENSE_BUFFER]; 21 }; 22 23 struct tcm_loop_tmr { 24 atomic_t tmr_complete; 25 wait_queue_head_t tl_tmr_wait; 26 }; 27 28 struct tcm_loop_nexus { 29 /* 30 * Pointer to TCM session for I_T Nexus 31 */ 32 struct se_session *se_sess; 33 }; 34 35 #define TCM_TRANSPORT_ONLINE 0 36 #define TCM_TRANSPORT_OFFLINE 1 37 38 struct tcm_loop_tpg { 39 unsigned short tl_tpgt; 40 unsigned short tl_transport_status; 41 enum target_prot_type tl_fabric_prot_type; 42 atomic_t tl_tpg_port_count; 43 struct se_portal_group tl_se_tpg; 44 struct tcm_loop_hba *tl_hba; 45 struct tcm_loop_nexus *tl_nexus; 46 }; 47 48 struct tcm_loop_hba { 49 u8 tl_proto_id; 50 unsigned char tl_wwn_address[TL_WWN_ADDR_LEN]; 51 struct se_hba_s *se_hba; 52 struct se_lun *tl_hba_lun; 53 struct se_port *tl_hba_lun_sep; 54 struct device dev; 55 struct Scsi_Host *sh; 56 struct tcm_loop_tpg tl_hba_tpgs[TL_TPGS_PER_HBA]; 57 struct se_wwn tl_hba_wwn; 58 }; 59