mirror of https://gitee.com/openkylin/linux.git
51 lines
1.2 KiB
C
51 lines
1.2 KiB
C
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#ifndef TARGET_CORE_FILE_H
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#define TARGET_CORE_FILE_H
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#define FD_VERSION "4.0"
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#define FD_MAX_DEV_NAME 256
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/* Maximum queuedepth for the FILEIO HBA */
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#define FD_HBA_QUEUE_DEPTH 256
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#define FD_DEVICE_QUEUE_DEPTH 32
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#define FD_MAX_DEVICE_QUEUE_DEPTH 128
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#define FD_BLOCKSIZE 512
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#define FD_MAX_SECTORS 1024
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#define RRF_EMULATE_CDB 0x01
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#define RRF_GOT_LBA 0x02
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struct fd_request {
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struct se_task fd_task;
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/* SCSI CDB from iSCSI Command PDU */
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unsigned char fd_scsi_cdb[TCM_MAX_COMMAND_SIZE];
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/* FILEIO device */
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struct fd_dev *fd_dev;
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} ____cacheline_aligned;
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#define FBDF_HAS_PATH 0x01
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#define FBDF_HAS_SIZE 0x02
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#define FDBD_USE_BUFFERED_IO 0x04
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struct fd_dev {
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u32 fbd_flags;
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unsigned char fd_dev_name[FD_MAX_DEV_NAME];
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/* Unique Ramdisk Device ID in Ramdisk HBA */
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u32 fd_dev_id;
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/* Number of SG tables in sg_table_array */
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u32 fd_table_count;
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u32 fd_queue_depth;
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u32 fd_block_size;
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unsigned long long fd_dev_size;
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struct file *fd_file;
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/* FILEIO HBA device is connected to */
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struct fd_host *fd_host;
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} ____cacheline_aligned;
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struct fd_host {
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u32 fd_host_dev_id_count;
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/* Unique FILEIO Host ID */
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u32 fd_host_id;
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} ____cacheline_aligned;
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#endif /* TARGET_CORE_FILE_H */
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