| b.liu | e958203 | 2025-04-17 19:18:16 +0800 | [diff] [blame^] | 1 | /* SPDX-License-Identifier: GPL-2.0 */ |
| 2 | #include <linux/types.h> |
| 3 | #include <linux/device.h> |
| 4 | #include <target/target_core_base.h> /* struct se_cmd */ |
| 5 | |
| 6 | #define TCM_LOOP_VERSION "v2.1-rc2" |
| 7 | #define TL_WWN_ADDR_LEN 256 |
| 8 | #define TL_TPGS_PER_HBA 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 | struct completion tmr_done; |
| 21 | /* Sense buffer that will be mapped into outgoing status */ |
| 22 | unsigned char tl_sense_buf[TRANSPORT_SENSE_BUFFER]; |
| 23 | }; |
| 24 | |
| 25 | struct tcm_loop_nexus { |
| 26 | /* |
| 27 | * Pointer to TCM session for I_T Nexus |
| 28 | */ |
| 29 | struct se_session *se_sess; |
| 30 | }; |
| 31 | |
| 32 | #define TCM_TRANSPORT_ONLINE 0 |
| 33 | #define TCM_TRANSPORT_OFFLINE 1 |
| 34 | |
| 35 | struct tcm_loop_tpg { |
| 36 | unsigned short tl_tpgt; |
| 37 | unsigned short tl_transport_status; |
| 38 | enum target_prot_type tl_fabric_prot_type; |
| 39 | atomic_t tl_tpg_port_count; |
| 40 | struct se_portal_group tl_se_tpg; |
| 41 | struct tcm_loop_hba *tl_hba; |
| 42 | struct tcm_loop_nexus *tl_nexus; |
| 43 | }; |
| 44 | |
| 45 | struct tcm_loop_hba { |
| 46 | u8 tl_proto_id; |
| 47 | unsigned char tl_wwn_address[TL_WWN_ADDR_LEN]; |
| 48 | struct se_hba_s *se_hba; |
| 49 | struct se_lun *tl_hba_lun; |
| 50 | struct se_port *tl_hba_lun_sep; |
| 51 | struct device dev; |
| 52 | struct Scsi_Host *sh; |
| 53 | struct tcm_loop_tpg tl_hba_tpgs[TL_TPGS_PER_HBA]; |
| 54 | struct se_wwn tl_hba_wwn; |
| 55 | }; |