18dcf07beSBart Van Assche #include <linux/types.h> 28dcf07beSBart Van Assche #include <linux/device.h> 38dcf07beSBart Van Assche #include <target/target_core_base.h> /* struct se_cmd */ 48dcf07beSBart Van Assche 59765b1f3SNicholas Bellinger #define TCM_LOOP_VERSION "v2.1-rc2" 63703b2c5SNicholas Bellinger #define TL_WWN_ADDR_LEN 256 73703b2c5SNicholas Bellinger #define TL_TPGS_PER_HBA 32 82e88efd3SChristoph Hellwig 93703b2c5SNicholas Bellinger struct tcm_loop_cmd { 103703b2c5SNicholas Bellinger /* State of Linux/SCSI CDB+Data descriptor */ 113703b2c5SNicholas Bellinger u32 sc_cmd_state; 12969871cdSHannes Reinecke /* Tagged command queueing */ 13969871cdSHannes Reinecke u32 sc_cmd_tag; 143703b2c5SNicholas Bellinger /* Pointer to the CDB+Data descriptor from Linux/SCSI subsystem */ 153703b2c5SNicholas Bellinger struct scsi_cmnd *sc; 163703b2c5SNicholas Bellinger /* The TCM I/O descriptor that is accessed via container_of() */ 173703b2c5SNicholas Bellinger struct se_cmd tl_se_cmd; 18afe2cb7fSChristoph Hellwig struct work_struct work; 193703b2c5SNicholas Bellinger atomic_t tmr_complete; 203703b2c5SNicholas Bellinger wait_queue_head_t tl_tmr_wait; 21*4d3895d5SBart Van Assche /* Sense buffer that will be mapped into outgoing status */ 22*4d3895d5SBart Van Assche unsigned char tl_sense_buf[TRANSPORT_SENSE_BUFFER]; 233703b2c5SNicholas Bellinger }; 243703b2c5SNicholas Bellinger 253703b2c5SNicholas Bellinger struct tcm_loop_nexus { 263703b2c5SNicholas Bellinger /* 273703b2c5SNicholas Bellinger * Pointer to TCM session for I_T Nexus 283703b2c5SNicholas Bellinger */ 293703b2c5SNicholas Bellinger struct se_session *se_sess; 303703b2c5SNicholas Bellinger }; 313703b2c5SNicholas Bellinger 32fb2b2844SHannes Reinecke #define TCM_TRANSPORT_ONLINE 0 33fb2b2844SHannes Reinecke #define TCM_TRANSPORT_OFFLINE 1 34fb2b2844SHannes Reinecke 353703b2c5SNicholas Bellinger struct tcm_loop_tpg { 363703b2c5SNicholas Bellinger unsigned short tl_tpgt; 37fb2b2844SHannes Reinecke unsigned short tl_transport_status; 38436f4a0aSNicholas Bellinger enum target_prot_type tl_fabric_prot_type; 393703b2c5SNicholas Bellinger atomic_t tl_tpg_port_count; 403703b2c5SNicholas Bellinger struct se_portal_group tl_se_tpg; 413703b2c5SNicholas Bellinger struct tcm_loop_hba *tl_hba; 42506787a2SHannes Reinecke struct tcm_loop_nexus *tl_nexus; 433703b2c5SNicholas Bellinger }; 443703b2c5SNicholas Bellinger 453703b2c5SNicholas Bellinger struct tcm_loop_hba { 463703b2c5SNicholas Bellinger u8 tl_proto_id; 473703b2c5SNicholas Bellinger unsigned char tl_wwn_address[TL_WWN_ADDR_LEN]; 483703b2c5SNicholas Bellinger struct se_hba_s *se_hba; 493703b2c5SNicholas Bellinger struct se_lun *tl_hba_lun; 503703b2c5SNicholas Bellinger struct se_port *tl_hba_lun_sep; 513703b2c5SNicholas Bellinger struct device dev; 523703b2c5SNicholas Bellinger struct Scsi_Host *sh; 533703b2c5SNicholas Bellinger struct tcm_loop_tpg tl_hba_tpgs[TL_TPGS_PER_HBA]; 543703b2c5SNicholas Bellinger struct se_wwn tl_hba_wwn; 553703b2c5SNicholas Bellinger }; 56