1 files changed, 77 insertions, 0 deletions
diff --git a/drivers/target/loopback/tcm_loop.h b/drivers/target/loopback/tcm_loop.h
new file mode 100644
index 000000000000..7e9f7ab45548
--- /dev/null
+++ b/drivers/target/loopback/tcm_loop.h
@@ -0,0 +1,77 @@
+#define TCM_LOOP_VERSION                "v2.1-rc1"
+#define TL_WWN_ADDR_LEN                 256
+#define TL_TPGS_PER_HBA                 32
+/*
+ * Defaults for struct scsi_host_template tcm_loop_driver_template
+ *
+ * We use large can_queue and cmd_per_lun here and let TCM enforce
+ * the underlying se_device_t->queue_depth.
+ */
+#define TL_SCSI_CAN_QUEUE               1024
+#define TL_SCSI_CMD_PER_LUN             1024
+#define TL_SCSI_MAX_SECTORS             1024
+#define TL_SCSI_SG_TABLESIZE            256
+/*
+ * Used in tcm_loop_driver_probe() for struct Scsi_Host->max_cmd_len
+ */
+#define TL_SCSI_MAX_CMD_LEN             32
+#ifdef CONFIG_LOOPBACK_TARGET_CDB_DEBUG
+# define TL_CDB_DEBUG(x...)             printk(KERN_INFO x)
+#else
+# define TL_CDB_DEBUG(x...)
+#endif
+struct tcm_loop_cmd {
+        /* State of Linux/SCSI CDB+Data descriptor */
+        u32 sc_cmd_state;
+        /* Pointer to the CDB+Data descriptor from Linux/SCSI subsystem */
+        struct scsi_cmnd *sc;
+        struct list_head *tl_cmd_list;
+        /* The TCM I/O descriptor that is accessed via container_of() */
+        struct se_cmd tl_se_cmd;
+        /* 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 {
+        int it_nexus_active;
+        /*
+         * Pointer to Linux/SCSI HBA from linux/include/scsi_host.h
+         */
+        struct scsi_host *sh;
+        /*
+         * Pointer to TCM session for I_T Nexus
+         */
+        struct se_session *se_sess;
+};
+struct tcm_loop_nacl {
+        struct se_node_acl se_node_acl;
+};
+struct tcm_loop_tpg {
+        unsigned short tl_tpgt;
+        atomic_t tl_tpg_port_count;
+        struct se_portal_group tl_se_tpg;
+        struct tcm_loop_hba *tl_hba;
+};
+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 se_device_s *se_dev_hba_ptr;
+        struct tcm_loop_nexus *tl_nexus;
+        struct device dev;
+        struct Scsi_Host *sh;
+        struct tcm_loop_tpg tl_hba_tpgs[TL_TPGS_PER_HBA];
+        struct se_wwn tl_hba_wwn;
+};

diff --git a/drivers/target/loopback/tcm_loop.h b/drivers/target/loopback/tcm_loop.h new file mode 100644 index 000000000000..7e9f7ab45548 --- /dev/null +++ b/drivers/target/loopback/tcm_loop.h
@@ -0,0 +1,77 @@
	1	#define TCM_LOOP_VERSION "v2.1-rc1"
	2	#define TL_WWN_ADDR_LEN 256
	3	#define TL_TPGS_PER_HBA 32
	4	/*
	5	* Defaults for struct scsi_host_template tcm_loop_driver_template
	6	*
	7	* We use large can_queue and cmd_per_lun here and let TCM enforce
	8	* the underlying se_device_t->queue_depth.
	9	*/
	10	#define TL_SCSI_CAN_QUEUE 1024
	11	#define TL_SCSI_CMD_PER_LUN 1024
	12	#define TL_SCSI_MAX_SECTORS 1024
	13	#define TL_SCSI_SG_TABLESIZE 256
	14	/*
	15	* Used in tcm_loop_driver_probe() for struct Scsi_Host->max_cmd_len
	16	*/
	17	#define TL_SCSI_MAX_CMD_LEN 32
	18
	19	#ifdef CONFIG_LOOPBACK_TARGET_CDB_DEBUG
	20	# define TL_CDB_DEBUG(x...) printk(KERN_INFO x)
	21	#else
	22	# define TL_CDB_DEBUG(x...)
	23	#endif
	24
	25	struct tcm_loop_cmd {
	26	/* State of Linux/SCSI CDB+Data descriptor */
	27	u32 sc_cmd_state;
	28	/* Pointer to the CDB+Data descriptor from Linux/SCSI subsystem */
	29	struct scsi_cmnd *sc;
	30	struct list_head *tl_cmd_list;
	31	/* The TCM I/O descriptor that is accessed via container_of() */
	32	struct se_cmd tl_se_cmd;
	33	/* Sense buffer that will be mapped into outgoing status */
	34	unsigned char tl_sense_buf[TRANSPORT_SENSE_BUFFER];
	35	};
	36
	37	struct tcm_loop_tmr {
	38	atomic_t tmr_complete;
	39	wait_queue_head_t tl_tmr_wait;
	40	};
	41
	42	struct tcm_loop_nexus {
	43	int it_nexus_active;
	44	/*
	45	* Pointer to Linux/SCSI HBA from linux/include/scsi_host.h
	46	*/
	47	struct scsi_host *sh;
	48	/*
	49	* Pointer to TCM session for I_T Nexus
	50	*/
	51	struct se_session *se_sess;
	52	};
	53
	54	struct tcm_loop_nacl {
	55	struct se_node_acl se_node_acl;
	56	};
	57
	58	struct tcm_loop_tpg {
	59	unsigned short tl_tpgt;
	60	atomic_t tl_tpg_port_count;
	61	struct se_portal_group tl_se_tpg;
	62	struct tcm_loop_hba *tl_hba;
	63	};
	64
	65	struct tcm_loop_hba {
	66	u8 tl_proto_id;
	67	unsigned char tl_wwn_address[TL_WWN_ADDR_LEN];
	68	struct se_hba_s *se_hba;
	69	struct se_lun *tl_hba_lun;
	70	struct se_port *tl_hba_lun_sep;
	71	struct se_device_s *se_dev_hba_ptr;
	72	struct tcm_loop_nexus *tl_nexus;
	73	struct device dev;
	74	struct Scsi_Host *sh;
	75	struct tcm_loop_tpg tl_hba_tpgs[TL_TPGS_PER_HBA];
	76	struct se_wwn tl_hba_wwn;
	77	};