Nicholas Bellinger | 3703b2c | 2011-03-18 15:39:17 -0700 | [diff] [blame] | 1 | #define TCM_LOOP_VERSION "v2.1-rc1" |
| 2 | #define TL_WWN_ADDR_LEN 256 |
| 3 | #define TL_TPGS_PER_HBA 32 |
Christoph Hellwig | 2e88efd | 2011-11-29 03:20:41 -0500 | [diff] [blame] | 4 | |
Nicholas Bellinger | 3703b2c | 2011-03-18 15:39:17 -0700 | [diff] [blame] | 5 | /* |
| 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 Bellinger | 3703b2c | 2011-03-18 15:39:17 -0700 | [diff] [blame] | 10 | struct 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 Bellinger | 3703b2c | 2011-03-18 15:39:17 -0700 | [diff] [blame] | 15 | /* The TCM I/O descriptor that is accessed via container_of() */ |
| 16 | struct se_cmd tl_se_cmd; |
Christoph Hellwig | afe2cb7 | 2012-02-02 17:04:41 -0500 | [diff] [blame] | 17 | struct work_struct work; |
Nicholas Bellinger | 3703b2c | 2011-03-18 15:39:17 -0700 | [diff] [blame] | 18 | /* Sense buffer that will be mapped into outgoing status */ |
| 19 | unsigned char tl_sense_buf[TRANSPORT_SENSE_BUFFER]; |
| 20 | }; |
| 21 | |
| 22 | struct tcm_loop_tmr { |
| 23 | atomic_t tmr_complete; |
| 24 | wait_queue_head_t tl_tmr_wait; |
| 25 | }; |
| 26 | |
| 27 | struct 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 | |
| 39 | struct tcm_loop_nacl { |
| 40 | struct se_node_acl se_node_acl; |
| 41 | }; |
| 42 | |
| 43 | struct 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 | |
| 50 | struct 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 | }; |