mirror of
https://mirrors.bfsu.edu.cn/git/linux.git
synced 2024-12-05 01:54:09 +08:00
c49ff72cff
Copy directly from the se_cmd CDB to the one in the scsi_request. This temporarily limits the pscsi backend to supporting only up to 16 byte CDBs, but this restriction will be lifted later in this series. Link: https://lore.kernel.org/r/20220224175552.988286-2-hch@lst.de Signed-off-by: Christoph Hellwig <hch@lst.de> Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
57 lines
1.3 KiB
C
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 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 ***/
|