55 lines · c
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 2568#define TL_TPGS_PER_HBA 329 10struct 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 completion tmr_done;20 /* Sense buffer that will be mapped into outgoing status */21 unsigned char tl_sense_buf[TRANSPORT_SENSE_BUFFER];22};23 24struct tcm_loop_nexus {25 /*26 * Pointer to TCM session for I_T Nexus27 */28 struct se_session *se_sess;29};30 31#define TCM_TRANSPORT_ONLINE 032#define TCM_TRANSPORT_OFFLINE 133 34struct tcm_loop_tpg {35 unsigned short tl_tpgt;36 unsigned short tl_transport_status;37 enum target_prot_type tl_fabric_prot_type;38 atomic_t tl_tpg_port_count;39 struct se_portal_group tl_se_tpg;40 struct tcm_loop_hba *tl_hba;41 struct tcm_loop_nexus *tl_nexus;42};43 44struct tcm_loop_hba {45 u8 tl_proto_id;46 unsigned char tl_wwn_address[TL_WWN_ADDR_LEN];47 struct se_hba_s *se_hba;48 struct se_lun *tl_hba_lun;49 struct se_port *tl_hba_lun_sep;50 struct device dev;51 struct Scsi_Host *sh;52 struct tcm_loop_tpg tl_hba_tpgs[TL_TPGS_PER_HBA];53 struct se_wwn tl_hba_wwn;54};55