Blame view

kernel/linux-rt-4.4.41/drivers/target/loopback/tcm_loop.h 1.34 KB
5113f6f70   김현기   kernel add
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
  #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;
  	/* Sense buffer that will be mapped into outgoing status */
  	unsigned char tl_sense_buf[TRANSPORT_SENSE_BUFFER];
  };
  
  struct tcm_loop_tmr {
  	atomic_t tmr_complete;
  	wait_queue_head_t tl_tmr_wait;
  };
  
  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;
  };