1*4882a593Smuzhiyun /* SPDX-License-Identifier: GPL-2.0 */ 2*4882a593Smuzhiyun #include <linux/types.h> 3*4882a593Smuzhiyun #include <linux/device.h> 4*4882a593Smuzhiyun #include <target/target_core_base.h> /* struct se_cmd */ 5*4882a593Smuzhiyun 6*4882a593Smuzhiyun #define TCM_LOOP_VERSION "v2.1-rc2" 7*4882a593Smuzhiyun #define TL_WWN_ADDR_LEN 256 8*4882a593Smuzhiyun #define TL_TPGS_PER_HBA 32 9*4882a593Smuzhiyun 10*4882a593Smuzhiyun struct tcm_loop_cmd { 11*4882a593Smuzhiyun /* State of Linux/SCSI CDB+Data descriptor */ 12*4882a593Smuzhiyun u32 sc_cmd_state; 13*4882a593Smuzhiyun /* Tagged command queueing */ 14*4882a593Smuzhiyun u32 sc_cmd_tag; 15*4882a593Smuzhiyun /* Pointer to the CDB+Data descriptor from Linux/SCSI subsystem */ 16*4882a593Smuzhiyun struct scsi_cmnd *sc; 17*4882a593Smuzhiyun /* The TCM I/O descriptor that is accessed via container_of() */ 18*4882a593Smuzhiyun struct se_cmd tl_se_cmd; 19*4882a593Smuzhiyun struct work_struct work; 20*4882a593Smuzhiyun struct completion tmr_done; 21*4882a593Smuzhiyun /* Sense buffer that will be mapped into outgoing status */ 22*4882a593Smuzhiyun unsigned char tl_sense_buf[TRANSPORT_SENSE_BUFFER]; 23*4882a593Smuzhiyun }; 24*4882a593Smuzhiyun 25*4882a593Smuzhiyun struct tcm_loop_nexus { 26*4882a593Smuzhiyun /* 27*4882a593Smuzhiyun * Pointer to TCM session for I_T Nexus 28*4882a593Smuzhiyun */ 29*4882a593Smuzhiyun struct se_session *se_sess; 30*4882a593Smuzhiyun }; 31*4882a593Smuzhiyun 32*4882a593Smuzhiyun #define TCM_TRANSPORT_ONLINE 0 33*4882a593Smuzhiyun #define TCM_TRANSPORT_OFFLINE 1 34*4882a593Smuzhiyun 35*4882a593Smuzhiyun struct tcm_loop_tpg { 36*4882a593Smuzhiyun unsigned short tl_tpgt; 37*4882a593Smuzhiyun unsigned short tl_transport_status; 38*4882a593Smuzhiyun enum target_prot_type tl_fabric_prot_type; 39*4882a593Smuzhiyun atomic_t tl_tpg_port_count; 40*4882a593Smuzhiyun struct se_portal_group tl_se_tpg; 41*4882a593Smuzhiyun struct tcm_loop_hba *tl_hba; 42*4882a593Smuzhiyun struct tcm_loop_nexus *tl_nexus; 43*4882a593Smuzhiyun }; 44*4882a593Smuzhiyun 45*4882a593Smuzhiyun struct tcm_loop_hba { 46*4882a593Smuzhiyun u8 tl_proto_id; 47*4882a593Smuzhiyun unsigned char tl_wwn_address[TL_WWN_ADDR_LEN]; 48*4882a593Smuzhiyun struct se_hba_s *se_hba; 49*4882a593Smuzhiyun struct se_lun *tl_hba_lun; 50*4882a593Smuzhiyun struct se_port *tl_hba_lun_sep; 51*4882a593Smuzhiyun struct device dev; 52*4882a593Smuzhiyun struct Scsi_Host *sh; 53*4882a593Smuzhiyun struct tcm_loop_tpg tl_hba_tpgs[TL_TPGS_PER_HBA]; 54*4882a593Smuzhiyun struct se_wwn tl_hba_wwn; 55*4882a593Smuzhiyun }; 56