| #ifndef __USB_UAS_H__ |
| #define __USB_UAS_H__ |
| |
| #include <scsi/scsi.h> |
| #include <scsi/scsi_cmnd.h> |
| |
| /* Common header for all IUs */ |
| struct iu { |
| __u8 iu_id; |
| __u8 rsvd1; |
| __be16 tag; |
| }; |
| |
| enum { |
| IU_ID_COMMAND = 0x01, |
| IU_ID_STATUS = 0x03, |
| IU_ID_RESPONSE = 0x04, |
| IU_ID_TASK_MGMT = 0x05, |
| IU_ID_READ_READY = 0x06, |
| IU_ID_WRITE_READY = 0x07, |
| }; |
| |
| struct command_iu { |
| __u8 iu_id; |
| __u8 rsvd1; |
| __be16 tag; |
| __u8 prio_attr; |
| __u8 rsvd5; |
| __u8 len; |
| __u8 rsvd7; |
| struct scsi_lun lun; |
| __u8 cdb[16]; /* XXX: Overflow-checking tools may misunderstand */ |
| }; |
| |
| /* |
| * Also used for the Read Ready and Write Ready IUs since they have the |
| * same first four bytes |
| */ |
| struct sense_iu { |
| __u8 iu_id; |
| __u8 rsvd1; |
| __be16 tag; |
| __be16 status_qual; |
| __u8 status; |
| __u8 rsvd7[7]; |
| __be16 len; |
| __u8 sense[SCSI_SENSE_BUFFERSIZE]; |
| }; |
| |
| struct usb_pipe_usage_descriptor { |
| __u8 bLength; |
| __u8 bDescriptorType; |
| |
| __u8 bPipeID; |
| __u8 Reserved; |
| } __attribute__((__packed__)); |
| |
| enum { |
| CMD_PIPE_ID = 1, |
| STATUS_PIPE_ID = 2, |
| DATA_IN_PIPE_ID = 3, |
| DATA_OUT_PIPE_ID = 4, |
| |
| UAS_SIMPLE_TAG = 0, |
| UAS_HEAD_TAG = 1, |
| UAS_ORDERED_TAG = 2, |
| UAS_ACA = 4, |
| }; |
| #endif |