target: More core cleanups from AGrover (round 2)
[linux-2.6.git] / drivers / target / target_core_file.h
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 struct fd_request {
16         struct se_task  fd_task;
17         /* SCSI CDB from iSCSI Command PDU */
18         unsigned char   fd_scsi_cdb[TCM_MAX_COMMAND_SIZE];
19         /* FILEIO device */
20         struct fd_dev   *fd_dev;
21 } ____cacheline_aligned;
22
23 #define FBDF_HAS_PATH           0x01
24 #define FBDF_HAS_SIZE           0x02
25 #define FDBD_USE_BUFFERED_IO    0x04
26
27 struct fd_dev {
28         u32             fbd_flags;
29         unsigned char   fd_dev_name[FD_MAX_DEV_NAME];
30         /* Unique Ramdisk Device ID in Ramdisk HBA */
31         u32             fd_dev_id;
32         /* Number of SG tables in sg_table_array */
33         u32             fd_table_count;
34         u32             fd_queue_depth;
35         u32             fd_block_size;
36         unsigned long long fd_dev_size;
37         struct file     *fd_file;
38         /* FILEIO HBA device is connected to */
39         struct fd_host *fd_host;
40 } ____cacheline_aligned;
41
42 struct fd_host {
43         u32             fd_host_dev_id_count;
44         /* Unique FILEIO Host ID */
45         u32             fd_host_id;
46 } ____cacheline_aligned;
47
48 #endif /* TARGET_CORE_FILE_H */