mirror of
https://github.com/torvalds/linux.git
synced 2024-11-15 00:21:59 +00:00
6193f06e6f
The most commonly used file, iblock and rd backends have no use for a per-task CDB and thus don't need a method to copy it into their otherwise unused CDB fields. Signed-off-by: Christoph Hellwig <hch@lst.de> Signed-off-by: Nicholas Bellinger <nab@linux-iscsi.org>
45 lines
986 B
C
45 lines
986 B
C
#ifndef TARGET_CORE_FILE_H
|
|
#define TARGET_CORE_FILE_H
|
|
|
|
#define FD_VERSION "4.0"
|
|
|
|
#define FD_MAX_DEV_NAME 256
|
|
#define FD_DEVICE_QUEUE_DEPTH 32
|
|
#define FD_MAX_DEVICE_QUEUE_DEPTH 128
|
|
#define FD_BLOCKSIZE 512
|
|
#define FD_MAX_SECTORS 1024
|
|
|
|
#define RRF_EMULATE_CDB 0x01
|
|
#define RRF_GOT_LBA 0x02
|
|
|
|
struct fd_request {
|
|
struct se_task fd_task;
|
|
};
|
|
|
|
#define FBDF_HAS_PATH 0x01
|
|
#define FBDF_HAS_SIZE 0x02
|
|
#define FDBD_USE_BUFFERED_IO 0x04
|
|
|
|
struct fd_dev {
|
|
u32 fbd_flags;
|
|
unsigned char fd_dev_name[FD_MAX_DEV_NAME];
|
|
/* Unique Ramdisk Device ID in Ramdisk HBA */
|
|
u32 fd_dev_id;
|
|
/* Number of SG tables in sg_table_array */
|
|
u32 fd_table_count;
|
|
u32 fd_queue_depth;
|
|
u32 fd_block_size;
|
|
unsigned long long fd_dev_size;
|
|
struct file *fd_file;
|
|
/* FILEIO HBA device is connected to */
|
|
struct fd_host *fd_host;
|
|
} ____cacheline_aligned;
|
|
|
|
struct fd_host {
|
|
u32 fd_host_dev_id_count;
|
|
/* Unique FILEIO Host ID */
|
|
u32 fd_host_id;
|
|
} ____cacheline_aligned;
|
|
|
|
#endif /* TARGET_CORE_FILE_H */
|