| #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 |