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