/* SPDX-License-Identifier: GPL-2.0 */
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#include <linux/types.h>
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#include <linux/device.h>
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#include <target/target_core_base.h> /* struct se_cmd */
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#define TCM_LOOP_VERSION "v2.1-rc2"
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#define TL_WWN_ADDR_LEN 256
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#define TL_TPGS_PER_HBA 32
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struct tcm_loop_cmd {
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/* State of Linux/SCSI CDB+Data descriptor */
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u32 sc_cmd_state;
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/* Tagged command queueing */
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u32 sc_cmd_tag;
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/* Pointer to the CDB+Data descriptor from Linux/SCSI subsystem */
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struct scsi_cmnd *sc;
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/* The TCM I/O descriptor that is accessed via container_of() */
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struct se_cmd tl_se_cmd;
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struct work_struct work;
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struct completion tmr_done;
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/* Sense buffer that will be mapped into outgoing status */
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unsigned char tl_sense_buf[TRANSPORT_SENSE_BUFFER];
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};
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struct tcm_loop_nexus {
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/*
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* Pointer to TCM session for I_T Nexus
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*/
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struct se_session *se_sess;
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};
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#define TCM_TRANSPORT_ONLINE 0
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#define TCM_TRANSPORT_OFFLINE 1
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struct tcm_loop_tpg {
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unsigned short tl_tpgt;
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unsigned short tl_transport_status;
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enum target_prot_type tl_fabric_prot_type;
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atomic_t tl_tpg_port_count;
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struct se_portal_group tl_se_tpg;
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struct tcm_loop_hba *tl_hba;
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struct tcm_loop_nexus *tl_nexus;
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};
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struct tcm_loop_hba {
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u8 tl_proto_id;
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unsigned char tl_wwn_address[TL_WWN_ADDR_LEN];
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struct se_hba_s *se_hba;
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struct se_lun *tl_hba_lun;
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struct se_port *tl_hba_lun_sep;
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struct device dev;
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struct Scsi_Host *sh;
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struct tcm_loop_tpg tl_hba_tpgs[TL_TPGS_PER_HBA];
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struct se_wwn tl_hba_wwn;
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};
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