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

#ifndef TARGET_CORE_PSCSI_H
#define TARGET_CORE_PSCSI_H

#define PSCSI_VERSION		"v4.0"

/* used in pscsi_find_alloc_len() */
#ifndef INQUIRY_DATA_SIZE
#define INQUIRY_DATA_SIZE	0x24
#endif

/* used in pscsi_add_device_to_list() */
#define PSCSI_DEFAULT_QUEUEDEPTH	1

#define PS_RETRY		5
#define PS_TIMEOUT_DISK		(15*HZ)
#define PS_TIMEOUT_OTHER	(500*HZ)

#include <linux/cache.h>             /* ___cacheline_aligned */
#include <target/target_core_base.h> /* struct se_device */

struct block_device;
struct scsi_device;
struct Scsi_Host;

struct pscsi_plugin_task {
	unsigned char pscsi_cdb[0];
} ____cacheline_aligned;

#define PDF_HAS_CHANNEL_ID	0x01
#define PDF_HAS_TARGET_ID	0x02
#define PDF_HAS_LUN_ID		0x04
#define PDF_HAS_VPD_UNIT_SERIAL 0x08
#define PDF_HAS_VPD_DEV_IDENT	0x10
#define PDF_HAS_VIRT_HOST_ID	0x20

struct pscsi_dev_virt {
	struct se_device dev;
	int	pdv_flags;
	int	pdv_host_id;
	int	pdv_channel_id;
	int	pdv_target_id;
	int	pdv_lun_id;
	struct block_device *pdv_bd;
	struct scsi_device *pdv_sd;
	struct Scsi_Host *pdv_lld_host;
} ____cacheline_aligned;

typedef enum phv_modes {
	PHV_VIRTUAL_HOST_ID,
	PHV_LLD_SCSI_HOST_NO
} phv_modes_t;

struct pscsi_hba_virt {
	int			phv_host_id;
	phv_modes_t		phv_mode;
	struct Scsi_Host	*phv_lld_host;
} ____cacheline_aligned;

#endif   /*** TARGET_CORE_PSCSI_H ***/
Commit	Line	Data
c66ac9db NB	1	#ifndef TARGET_CORE_PSCSI_H
	2	#define TARGET_CORE_PSCSI_H
	3
	4	#define PSCSI_VERSION "v4.0"
c66ac9db NB	5
	6	/* used in pscsi_find_alloc_len() */
	7	#ifndef INQUIRY_DATA_SIZE
	8	#define INQUIRY_DATA_SIZE 0x24
	9	#endif
	10
	11	/* used in pscsi_add_device_to_list() */
	12	#define PSCSI_DEFAULT_QUEUEDEPTH 1
	13
	14	#define PS_RETRY 5
	15	#define PS_TIMEOUT_DISK (15*HZ)
	16	#define PS_TIMEOUT_OTHER (500*HZ)
	17
8dcf07be BVA	18	#include <linux/cache.h> /* ___cacheline_aligned */
8dcf07be BVA	19	#include <target/target_core_base.h> /* struct se_device */
c66ac9db	20
8dcf07be	21	struct block_device;
ba929992	22	struct scsi_device;
8dcf07be	23	struct Scsi_Host;
ba929992	24
c66ac9db	25	struct pscsi_plugin_task {
6708bb27	26	unsigned char pscsi_cdb[0];
c66ac9db NB	27	} ____cacheline_aligned;
	28
	29	#define PDF_HAS_CHANNEL_ID 0x01
	30	#define PDF_HAS_TARGET_ID 0x02
	31	#define PDF_HAS_LUN_ID 0x04
	32	#define PDF_HAS_VPD_UNIT_SERIAL 0x08
	33	#define PDF_HAS_VPD_DEV_IDENT 0x10
	34	#define PDF_HAS_VIRT_HOST_ID 0x20
	35
	36	struct pscsi_dev_virt {
0fd97ccf	37	struct se_device dev;
c66ac9db NB	38	int pdv_flags;
	39	int pdv_host_id;
	40	int pdv_channel_id;
	41	int pdv_target_id;
	42	int pdv_lun_id;
	43	struct block_device *pdv_bd;
	44	struct scsi_device *pdv_sd;
5a7125c6	45	struct Scsi_Host *pdv_lld_host;
c66ac9db NB	46	} ____cacheline_aligned;
	47
	48	typedef enum phv_modes {
e6a8a41a	49	PHV_VIRTUAL_HOST_ID,
c66ac9db NB	50	PHV_LLD_SCSI_HOST_NO
	51	} phv_modes_t;
	52
	53	struct pscsi_hba_virt {
	54	int phv_host_id;
	55	phv_modes_t phv_mode;
	56	struct Scsi_Host *phv_lld_host;
	57	} ____cacheline_aligned;
	58
	59	#endif /* TARGET_CORE_PSCSI_H */