linux/drivers/target/target_core_file.h
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   1#ifndef TARGET_CORE_FILE_H
   2#define TARGET_CORE_FILE_H
   3
   4#define FD_VERSION              "4.0"
   5
   6#define FD_MAX_DEV_NAME         256
   7#define FD_DEVICE_QUEUE_DEPTH   32
   8#define FD_MAX_DEVICE_QUEUE_DEPTH 128
   9#define FD_BLOCKSIZE            512
  10#define FD_MAX_SECTORS          1024
  11
  12#define RRF_EMULATE_CDB         0x01
  13#define RRF_GOT_LBA             0x02
  14
  15#define FBDF_HAS_PATH           0x01
  16#define FBDF_HAS_SIZE           0x02
  17#define FDBD_HAS_BUFFERED_IO_WCE 0x04
  18
  19struct fd_dev {
  20        u32             fbd_flags;
  21        unsigned char   fd_dev_name[FD_MAX_DEV_NAME];
  22        /* Unique Ramdisk Device ID in Ramdisk HBA */
  23        u32             fd_dev_id;
  24        /* Number of SG tables in sg_table_array */
  25        u32             fd_table_count;
  26        u32             fd_queue_depth;
  27        u32             fd_block_size;
  28        unsigned long long fd_dev_size;
  29        struct file     *fd_file;
  30        /* FILEIO HBA device is connected to */
  31        struct fd_host *fd_host;
  32} ____cacheline_aligned;
  33
  34struct fd_host {
  35        u32             fd_host_dev_id_count;
  36        /* Unique FILEIO Host ID */
  37        u32             fd_host_id;
  38} ____cacheline_aligned;
  39
  40#endif /* TARGET_CORE_FILE_H */
  41
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