Add the rt linux 4.1.3-rt3 as base

[kvmfornfv.git] / kernel / drivers / target / loopback / tcm_loop.h

diff --git a/kernel/drivers/target/loopback/tcm_loop.h b/kernel/drivers/target/loopback/tcm_loop.h
new file mode 100644 (file)
index 0000000..1e72ff7
--- /dev/null
+++ b/kernel/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;
+};