projects / deliverable / linux.git / blame
| Commit | Line | Data |
|---|---|---|
| 3d6392cf JA |
1 | #ifndef BSG_H |
| 2 | #define BSG_H | |
| 3 | ||
| 15d10b61 FT |
4 | #define BSG_PROTOCOL_SCSI 0 |
| 5 | ||
| 6 | #define BSG_SUB_PROTOCOL_SCSI_CMD 0 | |
| 7 | #define BSG_SUB_PROTOCOL_SCSI_TMF 1 | |
| 8 | #define BSG_SUB_PROTOCOL_SCSI_TRANSPORT 2 | |
| 9 | ||
| 45977d0e | 10 | struct sg_io_v4 { |
| 3862153b FT |
11 | __s32 guard; /* [i] 'Q' to differentiate from v3 */ |
| 12 | __u32 protocol; /* [i] 0 -> SCSI , .... */ | |
| 13 | __u32 subprotocol; /* [i] 0 -> SCSI command, 1 -> SCSI task | |
| 45977d0e FT |
14 | management function, .... */ |
| 15 | ||
| 3862153b FT |
16 | __u32 request_len; /* [i] in bytes */ |
| 17 | __u64 request; /* [i], [*i] {SCSI: cdb} */ | |
| 18 | __u32 request_attr; /* [i] {SCSI: task attribute} */ | |
| 19 | __u32 request_tag; /* [i] {SCSI: task tag (only if flagged)} */ | |
| 20 | __u32 request_priority; /* [i] {SCSI: task priority} */ | |
| 21 | __u32 max_response_len; /* [i] in bytes */ | |
| 22 | __u64 response; /* [i], [*o] {SCSI: (auto)sense data} */ | |
| 45977d0e FT |
23 | |
| 24 | /* "din_" for data in (from device); "dout_" for data out (to device) */ | |
| 3862153b FT |
25 | __u32 dout_xfer_len; /* [i] bytes to be transferred to device */ |
| 26 | __u32 din_xfer_len; /* [i] bytes to be transferred from device */ | |
| 27 | __u64 dout_xferp; /* [i], [*i] */ | |
| 28 | __u64 din_xferp; /* [i], [*o] */ | |
| 45977d0e | 29 | |
| 3862153b FT |
30 | __u32 timeout; /* [i] units: millisecond */ |
| 31 | __u32 flags; /* [i] bit mask */ | |
| 32 | __u64 usr_ptr; /* [i->o] unused internally */ | |
| 33 | __u32 spare_in; /* [i] */ | |
| 45977d0e | 34 | |
| 3862153b FT |
35 | __u32 driver_status; /* [o] 0 -> ok */ |
| 36 | __u32 transport_status; /* [o] 0 -> ok */ | |
| 37 | __u32 device_status; /* [o] {SCSI: command completion status} */ | |
| 38 | __u32 retry_delay; /* [o] {SCSI: status auxiliary information} */ | |
| 39 | __u32 info; /* [o] additional information */ | |
| 40 | __u32 duration; /* [o] time to complete, in milliseconds */ | |
| 41 | __u32 response_len; /* [o] bytes of response actually written */ | |
| 42 | __s32 din_resid; /* [o] actual_din_xfer_len - din_xfer_len */ | |
| 43 | __u32 generated_tag; /* [o] {SCSI: task tag that transport chose} */ | |
| 44 | __u32 spare_out; /* [o] */ | |
| 45977d0e | 45 | |
| 3862153b | 46 | __u32 padding; |
| 45977d0e FT |
47 | }; |
| 48 | ||
| 49 | #ifdef __KERNEL__ | |
| 50 | ||
| 3d6392cf JA |
51 | #if defined(CONFIG_BLK_DEV_BSG) |
| 52 | struct bsg_class_device { | |
| 53 | struct class_device *class_dev; | |
| 54 | struct device *dev; | |
| 55 | int minor; | |
| d351af01 | 56 | struct request_queue *queue; |
| 3d6392cf JA |
57 | }; |
| 58 | ||
| 39dca558 | 59 | extern int bsg_register_queue(struct request_queue *, struct device *, const char *); |
| d351af01 | 60 | extern void bsg_unregister_queue(struct request_queue *); |
| 3d6392cf | 61 | #else |
| 39dca558 | 62 | #define bsg_register_queue(disk, dev, name) (0) |
| d351af01 | 63 | #define bsg_unregister_queue(disk) do { } while (0) |
| 3d6392cf JA |
64 | #endif |
| 65 | ||
| 45977d0e FT |
66 | #endif /* __KERNEL__ */ |
| 67 | ||
| 3d6392cf | 68 | #endif |