diff options
author | André Fabian Silva Delgado <emulatorman@parabola.nu> | 2015-08-05 17:04:01 -0300 |
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committer | André Fabian Silva Delgado <emulatorman@parabola.nu> | 2015-08-05 17:04:01 -0300 |
commit | 57f0f512b273f60d52568b8c6b77e17f5636edc0 (patch) | |
tree | 5e910f0e82173f4ef4f51111366a3f1299037a7b /drivers/target/loopback/tcm_loop.h |
Initial import
Diffstat (limited to 'drivers/target/loopback/tcm_loop.h')
-rw-r--r-- | drivers/target/loopback/tcm_loop.h | 63 |
1 files changed, 63 insertions, 0 deletions
diff --git a/drivers/target/loopback/tcm_loop.h b/drivers/target/loopback/tcm_loop.h new file mode 100644 index 000000000..1e72ff77c --- /dev/null +++ b/drivers/target/loopback/tcm_loop.h @@ -0,0 +1,63 @@ +#define TCM_LOOP_VERSION "v2.1-rc2" +#define TL_WWN_ADDR_LEN 256 +#define TL_TPGS_PER_HBA 32 + +/* + * Used in tcm_loop_driver_probe() for struct Scsi_Host->max_cmd_len + */ +#define TL_SCSI_MAX_CMD_LEN 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; +}; + +struct tcm_loop_nacl { + struct se_node_acl se_node_acl; +}; + +#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; +}; |