blob: 6ae49f272ba6f72d1cd425d30c66227d5d696f31 [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;
Hannes Reinecke969871c2013-10-16 09:12:55 +020013 /* Tagged command queueing */
14 u32 sc_cmd_tag;
Nicholas Bellinger3703b2c2011-03-18 15:39:17 -070015 /* Pointer to the CDB+Data descriptor from Linux/SCSI subsystem */
16 struct scsi_cmnd *sc;
Nicholas Bellinger3703b2c2011-03-18 15:39:17 -070017 /* The TCM I/O descriptor that is accessed via container_of() */
18 struct se_cmd tl_se_cmd;
Christoph Hellwigafe2cb72012-02-02 17:04:41 -050019 struct work_struct work;
Nicholas Bellinger3703b2c2011-03-18 15:39:17 -070020 /* Sense buffer that will be mapped into outgoing status */
21 unsigned char tl_sense_buf[TRANSPORT_SENSE_BUFFER];
22};
23
24struct tcm_loop_tmr {
25 atomic_t tmr_complete;
26 wait_queue_head_t tl_tmr_wait;
27};
28
29struct tcm_loop_nexus {
Nicholas Bellinger3703b2c2011-03-18 15:39:17 -070030 /*
31 * Pointer to TCM session for I_T Nexus
32 */
33 struct se_session *se_sess;
34};
35
36struct tcm_loop_nacl {
37 struct se_node_acl se_node_acl;
38};
39
Hannes Reineckefb2b2842013-10-16 09:12:53 +020040#define TCM_TRANSPORT_ONLINE 0
41#define TCM_TRANSPORT_OFFLINE 1
42
Nicholas Bellinger3703b2c2011-03-18 15:39:17 -070043struct tcm_loop_tpg {
44 unsigned short tl_tpgt;
Hannes Reineckefb2b2842013-10-16 09:12:53 +020045 unsigned short tl_transport_status;
Nicholas Bellinger3703b2c2011-03-18 15:39:17 -070046 atomic_t tl_tpg_port_count;
47 struct se_portal_group tl_se_tpg;
48 struct tcm_loop_hba *tl_hba;
Hannes Reinecke506787a2014-11-26 14:58:57 +010049 struct tcm_loop_nexus *tl_nexus;
Nicholas Bellinger3703b2c2011-03-18 15:39:17 -070050};
51
52struct tcm_loop_hba {
53 u8 tl_proto_id;
54 unsigned char tl_wwn_address[TL_WWN_ADDR_LEN];
55 struct se_hba_s *se_hba;
56 struct se_lun *tl_hba_lun;
57 struct se_port *tl_hba_lun_sep;
Nicholas Bellinger3703b2c2011-03-18 15:39:17 -070058 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};