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

/* SPDX-License-Identifier: GPL-2.0 */
#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
	1	/* SPDX-License-Identifier: GPL-2.0 */
	2	#ifndef TARGET_CORE_PSCSI_H
	3	#define TARGET_CORE_PSCSI_H
	4
	5	#define PSCSI_VERSION "v4.0"
	6
	7	/* used in pscsi_find_alloc_len() */
	8	#ifndef INQUIRY_DATA_SIZE
	9	#define INQUIRY_DATA_SIZE 0x24
	10	#endif
	11
	12	/* used in pscsi_add_device_to_list() */
	13	#define PSCSI_DEFAULT_QUEUEDEPTH 1
	14
	15	#define PS_RETRY 5
	16	#define PS_TIMEOUT_DISK (15*HZ)
	17	#define PS_TIMEOUT_OTHER (500*HZ)
	18
	19	#include <linux/cache.h> /* ___cacheline_aligned */
	20	#include <target/target_core_base.h> /* struct se_device */
	21
	22	struct block_device;
	23	struct scsi_device;
	24	struct Scsi_Host;
	25
	26	struct pscsi_plugin_task {
	27	unsigned char pscsi_cdb[0];
	28	} ____cacheline_aligned;
	29
	30	#define PDF_HAS_CHANNEL_ID 0x01
	31	#define PDF_HAS_TARGET_ID 0x02
	32	#define PDF_HAS_LUN_ID 0x04
	33	#define PDF_HAS_VPD_UNIT_SERIAL 0x08
	34	#define PDF_HAS_VPD_DEV_IDENT 0x10
	35	#define PDF_HAS_VIRT_HOST_ID 0x20
	36
	37	struct pscsi_dev_virt {
	38	struct se_device dev;
	39	int pdv_flags;
	40	int pdv_host_id;
	41	int pdv_channel_id;
	42	int pdv_target_id;
	43	int pdv_lun_id;
	44	struct block_device *pdv_bd;
	45	struct scsi_device *pdv_sd;
	46	struct Scsi_Host *pdv_lld_host;
	47	} ____cacheline_aligned;
	48
	49	typedef enum phv_modes {
	50	PHV_VIRTUAL_HOST_ID,
	51	PHV_LLD_SCSI_HOST_NO
	52	} phv_modes_t;
	53
	54	struct pscsi_hba_virt {
	55	int phv_host_id;
	56	phv_modes_t phv_mode;
	57	struct Scsi_Host *phv_lld_host;
	58	} ____cacheline_aligned;
	59
	60	#endif /* TARGET_CORE_PSCSI_H */