#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, | |
}; | |
enum { | |
TMF_ABORT_TASK = 0x01, | |
TMF_ABORT_TASK_SET = 0x02, | |
TMF_CLEAR_TASK_SET = 0x04, | |
TMF_LOGICAL_UNIT_RESET = 0x08, | |
TMF_I_T_NEXUS_RESET = 0x10, | |
TMF_CLEAR_ACA = 0x40, | |
TMF_QUERY_TASK = 0x80, | |
TMF_QUERY_TASK_SET = 0x81, | |
TMF_QUERY_ASYNC_EVENT = 0x82, | |
}; | |
enum { | |
RC_TMF_COMPLETE = 0x00, | |
RC_INVALID_INFO_UNIT = 0x02, | |
RC_TMF_NOT_SUPPORTED = 0x04, | |
RC_TMF_FAILED = 0x05, | |
RC_TMF_SUCCEEDED = 0x08, | |
RC_INCORRECT_LUN = 0x09, | |
RC_OVERLAPPED_TAG = 0x0a, | |
}; | |
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 */ | |
}; | |
struct task_mgmt_iu { | |
__u8 iu_id; | |
__u8 rsvd1; | |
__be16 tag; | |
__u8 function; | |
__u8 rsvd2; | |
__be16 task_tag; | |
struct scsi_lun lun; | |
}; | |
/* | |
* 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 response_ui { | |
__u8 iu_id; | |
__u8 rsvd1; | |
__be16 tag; | |
__be16 add_response_info; | |
__u8 response_code; | |
}; | |
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 |