linux-stable/drivers/target/target_core_pscsi.h
Christian Brauner 034f0cf8fd
target: port block device access to file
Link: https://lore.kernel.org/r/20240123-vfs-bdev-file-v2-17-adbd023e19cc@kernel.org
Reviewed-by: Jan Kara <jack@suse.cz>
Signed-off-by: Christian Brauner <brauner@kernel.org>
2024-02-25 12:05:25 +01:00

57 lines
1.3 KiB
C

/* 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;
#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 file *pdv_bdev_file;
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 ***/