[deliverable/linux.git] / drivers / target / loopback / tcm_loop.h

#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;
};
Commit	Line	Data
9765b1f3	1	#define TCM_LOOP_VERSION "v2.1-rc2"
3703b2c5 NB	2	#define TL_WWN_ADDR_LEN 256
3703b2c5 NB	3	#define TL_TPGS_PER_HBA 32
2e88efd3	4
3703b2c5 NB	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
3703b2c5 NB	10	struct tcm_loop_cmd {
	11	/* State of Linux/SCSI CDB+Data descriptor */
	12	u32 sc_cmd_state;
969871cd HR	13	/* Tagged command queueing */
969871cd HR	14	u32 sc_cmd_tag;
3703b2c5 NB	15	/* Pointer to the CDB+Data descriptor from Linux/SCSI subsystem */
3703b2c5 NB	16	struct scsi_cmnd *sc;
3703b2c5 NB	17	/* The TCM I/O descriptor that is accessed via container_of() */
3703b2c5 NB	18	struct se_cmd tl_se_cmd;
afe2cb7f	19	struct work_struct work;
3703b2c5 NB	20	/* Sense buffer that will be mapped into outgoing status */
	21	unsigned char tl_sense_buf[TRANSPORT_SENSE_BUFFER];
	22	};
	23
	24	struct tcm_loop_tmr {
	25	atomic_t tmr_complete;
	26	wait_queue_head_t tl_tmr_wait;
	27	};
	28
	29	struct tcm_loop_nexus {
3703b2c5 NB	30	/*
	31	* Pointer to TCM session for I_T Nexus
	32	*/
	33	struct se_session *se_sess;
	34	};
	35
	36	struct tcm_loop_nacl {
	37	struct se_node_acl se_node_acl;
	38	};
	39
fb2b2844 HR	40	#define TCM_TRANSPORT_ONLINE 0
	41	#define TCM_TRANSPORT_OFFLINE 1
	42
3703b2c5 NB	43	struct tcm_loop_tpg {
3703b2c5 NB	44	unsigned short tl_tpgt;
fb2b2844	45	unsigned short tl_transport_status;
436f4a0a	46	enum target_prot_type tl_fabric_prot_type;
3703b2c5 NB	47	atomic_t tl_tpg_port_count;
	48	struct se_portal_group tl_se_tpg;
	49	struct tcm_loop_hba *tl_hba;
506787a2	50	struct tcm_loop_nexus *tl_nexus;
3703b2c5 NB	51	};
	52
	53	struct tcm_loop_hba {
	54	u8 tl_proto_id;
	55	unsigned char tl_wwn_address[TL_WWN_ADDR_LEN];
	56	struct se_hba_s *se_hba;
	57	struct se_lun *tl_hba_lun;
	58	struct se_port *tl_hba_lun_sep;
3703b2c5 NB	59	struct device dev;
	60	struct Scsi_Host *sh;
	61	struct tcm_loop_tpg tl_hba_tpgs[TL_TPGS_PER_HBA];
	62	struct se_wwn tl_hba_wwn;
	63	};