[mirror_ubuntu-artful-kernel.git] / drivers / target / loopback / tcm_loop.h

#include <linux/types.h>
#include <linux/device.h>
#include <target/target_core_base.h> /* struct se_cmd */

#define TCM_LOOP_VERSION		"v2.1-rc2"
#define TL_WWN_ADDR_LEN			256
#define TL_TPGS_PER_HBA			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;
	struct completion tmr_done;
	/* Sense buffer that will be mapped into outgoing status */
	unsigned char tl_sense_buf[TRANSPORT_SENSE_BUFFER];
};

struct tcm_loop_nexus {
	/*
	 * Pointer to TCM session for I_T Nexus
	 */
	struct se_session *se_sess;
};

#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
8dcf07be BVA	1	#include <linux/types.h>
	2	#include <linux/device.h>
	3	#include <target/target_core_base.h> /* struct se_cmd */
	4
9765b1f3	5	#define TCM_LOOP_VERSION "v2.1-rc2"
3703b2c5 NB	6	#define TL_WWN_ADDR_LEN 256
3703b2c5 NB	7	#define TL_TPGS_PER_HBA 32
2e88efd3	8
3703b2c5 NB	9	struct tcm_loop_cmd {
	10	/* State of Linux/SCSI CDB+Data descriptor */
	11	u32 sc_cmd_state;
969871cd HR	12	/* Tagged command queueing */
969871cd HR	13	u32 sc_cmd_tag;
3703b2c5 NB	14	/* Pointer to the CDB+Data descriptor from Linux/SCSI subsystem */
3703b2c5 NB	15	struct scsi_cmnd *sc;
3703b2c5 NB	16	/* The TCM I/O descriptor that is accessed via container_of() */
3703b2c5 NB	17	struct se_cmd tl_se_cmd;
afe2cb7f	18	struct work_struct work;
d17203c4	19	struct completion tmr_done;
4d3895d5 BVA	20	/* Sense buffer that will be mapped into outgoing status */
4d3895d5 BVA	21	unsigned char tl_sense_buf[TRANSPORT_SENSE_BUFFER];
3703b2c5 NB	22	};
	23
	24	struct tcm_loop_nexus {
3703b2c5 NB	25	/*
	26	* Pointer to TCM session for I_T Nexus
	27	*/
	28	struct se_session *se_sess;
	29	};
	30
fb2b2844 HR	31	#define TCM_TRANSPORT_ONLINE 0
	32	#define TCM_TRANSPORT_OFFLINE 1
	33
3703b2c5 NB	34	struct tcm_loop_tpg {
3703b2c5 NB	35	unsigned short tl_tpgt;
fb2b2844	36	unsigned short tl_transport_status;
436f4a0a	37	enum target_prot_type tl_fabric_prot_type;
3703b2c5 NB	38	atomic_t tl_tpg_port_count;
	39	struct se_portal_group tl_se_tpg;
	40	struct tcm_loop_hba *tl_hba;
506787a2	41	struct tcm_loop_nexus *tl_nexus;
3703b2c5 NB	42	};
	43
	44	struct tcm_loop_hba {
	45	u8 tl_proto_id;
	46	unsigned char tl_wwn_address[TL_WWN_ADDR_LEN];
	47	struct se_hba_s *se_hba;
	48	struct se_lun *tl_hba_lun;
	49	struct se_port *tl_hba_lun_sep;
3703b2c5 NB	50	struct device dev;
	51	struct Scsi_Host *sh;
	52	struct tcm_loop_tpg tl_hba_tpgs[TL_TPGS_PER_HBA];
	53	struct se_wwn tl_hba_wwn;
	54	};