projects / linux-2.6-block.git / blame
| Commit | Line | Data |
|---|---|---|
| 348748b0 SAS |
1 | #ifndef __USB_UAS_H__ |
| 2 | #define __USB_UAS_H__ | |
| 3 | ||
| 4 | #include <scsi/scsi.h> | |
| 5 | #include <scsi/scsi_cmnd.h> | |
| 6 | ||
| 7 | /* Common header for all IUs */ | |
| 8 | struct iu { | |
| 9 | __u8 iu_id; | |
| 10 | __u8 rsvd1; | |
| 11 | __be16 tag; | |
| 12 | }; | |
| 13 | ||
| 14 | enum { | |
| 15 | IU_ID_COMMAND = 0x01, | |
| 16 | IU_ID_STATUS = 0x03, | |
| 17 | IU_ID_RESPONSE = 0x04, | |
| 18 | IU_ID_TASK_MGMT = 0x05, | |
| 19 | IU_ID_READ_READY = 0x06, | |
| 20 | IU_ID_WRITE_READY = 0x07, | |
| 21 | }; | |
| 22 | ||
| 23 | struct command_iu { | |
| 24 | __u8 iu_id; | |
| 25 | __u8 rsvd1; | |
| 26 | __be16 tag; | |
| 27 | __u8 prio_attr; | |
| 28 | __u8 rsvd5; | |
| 29 | __u8 len; | |
| 30 | __u8 rsvd7; | |
| 31 | struct scsi_lun lun; | |
| 32 | __u8 cdb[16]; /* XXX: Overflow-checking tools may misunderstand */ | |
| 33 | }; | |
| 34 | ||
| 35 | /* | |
| 36 | * Also used for the Read Ready and Write Ready IUs since they have the | |
| 37 | * same first four bytes | |
| 38 | */ | |
| 39 | struct sense_iu { | |
| 40 | __u8 iu_id; | |
| 41 | __u8 rsvd1; | |
| 42 | __be16 tag; | |
| 43 | __be16 status_qual; | |
| 44 | __u8 status; | |
| 45 | __u8 rsvd7[7]; | |
| 46 | __be16 len; | |
| 47 | __u8 sense[SCSI_SENSE_BUFFERSIZE]; | |
| 48 | }; | |
| 49 | ||
| ee398b59 SAS |
50 | struct usb_pipe_usage_descriptor { |
| 51 | __u8 bLength; | |
| 52 | __u8 bDescriptorType; | |
| 53 | ||
| 54 | __u8 bPipeID; | |
| 55 | __u8 Reserved; | |
| 56 | } __attribute__((__packed__)); | |
| 57 | ||
| 348748b0 SAS |
58 | enum { |
| 59 | CMD_PIPE_ID = 1, | |
| 60 | STATUS_PIPE_ID = 2, | |
| 61 | DATA_IN_PIPE_ID = 3, | |
| 62 | DATA_OUT_PIPE_ID = 4, | |
| 63 | ||
| 64 | UAS_SIMPLE_TAG = 0, | |
| 65 | UAS_HEAD_TAG = 1, | |
| 66 | UAS_ORDERED_TAG = 2, | |
| 67 | UAS_ACA = 4, | |
| 68 | }; | |
| 69 | #endif |