diff options
Diffstat (limited to 'drivers/target/target_core_file.h')
| -rw-r--r-- | drivers/target/target_core_file.h | 28 |
1 files changed, 16 insertions, 12 deletions
diff --git a/drivers/target/target_core_file.h b/drivers/target/target_core_file.h index ef4de2b4bd4..182cbb29503 100644 --- a/drivers/target/target_core_file.h +++ b/drivers/target/target_core_file.h @@ -4,29 +4,32 @@ #define FD_VERSION "4.0" #define FD_MAX_DEV_NAME 256 -/* Maximum queuedepth for the FILEIO HBA */ -#define FD_HBA_QUEUE_DEPTH 256 +#define FD_MAX_DEV_PROT_NAME FD_MAX_DEV_NAME + 16 #define FD_DEVICE_QUEUE_DEPTH 32 #define FD_MAX_DEVICE_QUEUE_DEPTH 128 #define FD_BLOCKSIZE 512 -#define FD_MAX_SECTORS 1024 +/* + * Limited by the number of iovecs (2048) per vfs_[writev,readv] call + */ +#define FD_MAX_BYTES 8388608 #define RRF_EMULATE_CDB 0x01 #define RRF_GOT_LBA 0x02 -struct fd_request { - struct se_task fd_task; - /* SCSI CDB from iSCSI Command PDU */ - unsigned char fd_scsi_cdb[TCM_MAX_COMMAND_SIZE]; - /* FILEIO device */ - struct fd_dev *fd_dev; -} ____cacheline_aligned; - #define FBDF_HAS_PATH 0x01 #define FBDF_HAS_SIZE 0x02 -#define FDBD_USE_BUFFERED_IO 0x04 +#define FDBD_HAS_BUFFERED_IO_WCE 0x04 +#define FDBD_FORMAT_UNIT_SIZE 2048 + +struct fd_prot { + unsigned char *prot_buf; + struct scatterlist *prot_sg; + u32 prot_sg_nents; +}; struct fd_dev { + struct se_device dev; + u32 fbd_flags; unsigned char fd_dev_name[FD_MAX_DEV_NAME]; /* Unique Ramdisk Device ID in Ramdisk HBA */ @@ -37,6 +40,7 @@ struct fd_dev { u32 fd_block_size; unsigned long long fd_dev_size; struct file *fd_file; + struct file *fd_prot_file; /* FILEIO HBA device is connected to */ struct fd_host *fd_host; } ____cacheline_aligned; |