blob: 7b54893db665473a9b311a02a4b5b0ca749f82c2 [file] [log] [blame]
Nicholas Bellinger9765b1f2012-03-10 14:50:19 -08001#define TCM_LOOP_VERSION "v2.1-rc2"
Nicholas Bellinger3703b2c2011-03-18 15:39:17 -07002#define TL_WWN_ADDR_LEN 256
3#define TL_TPGS_PER_HBA 32
Christoph Hellwig2e88efd2011-11-29 03:20:41 -05004
Nicholas Bellinger3703b2c2011-03-18 15:39:17 -07005/*
6 * Used in tcm_loop_driver_probe() for struct Scsi_Host->max_cmd_len
7 */
8#define TL_SCSI_MAX_CMD_LEN 32
9
Nicholas Bellinger3703b2c2011-03-18 15:39:17 -070010struct tcm_loop_cmd {
11 /* State of Linux/SCSI CDB+Data descriptor */
12 u32 sc_cmd_state;
13 /* Pointer to the CDB+Data descriptor from Linux/SCSI subsystem */
14 struct scsi_cmnd *sc;
Nicholas Bellinger3703b2c2011-03-18 15:39:17 -070015 /* The TCM I/O descriptor that is accessed via container_of() */
16 struct se_cmd tl_se_cmd;
Christoph Hellwigafe2cb72012-02-02 17:04:41 -050017 struct work_struct work;
Nicholas Bellinger3703b2c2011-03-18 15:39:17 -070018 /* Sense buffer that will be mapped into outgoing status */
19 unsigned char tl_sense_buf[TRANSPORT_SENSE_BUFFER];
20};
21
22struct tcm_loop_tmr {
23 atomic_t tmr_complete;
24 wait_queue_head_t tl_tmr_wait;
25};
26
27struct tcm_loop_nexus {
28 int it_nexus_active;
29 /*
30 * Pointer to Linux/SCSI HBA from linux/include/scsi_host.h
31 */
32 struct scsi_host *sh;
33 /*
34 * Pointer to TCM session for I_T Nexus
35 */
36 struct se_session *se_sess;
37};
38
39struct tcm_loop_nacl {
40 struct se_node_acl se_node_acl;
41};
42
43struct tcm_loop_tpg {
44 unsigned short tl_tpgt;
45 atomic_t tl_tpg_port_count;
46 struct se_portal_group tl_se_tpg;
47 struct tcm_loop_hba *tl_hba;
48};
49
50struct tcm_loop_hba {
51 u8 tl_proto_id;
52 unsigned char tl_wwn_address[TL_WWN_ADDR_LEN];
53 struct se_hba_s *se_hba;
54 struct se_lun *tl_hba_lun;
55 struct se_port *tl_hba_lun_sep;
56 struct se_device_s *se_dev_hba_ptr;
57 struct tcm_loop_nexus *tl_nexus;
58 struct device dev;
59 struct Scsi_Host *sh;
60 struct tcm_loop_tpg tl_hba_tpgs[TL_TPGS_PER_HBA];
61 struct se_wwn tl_hba_wwn;
62};