111 строки
2.1 KiB
C
111 строки
2.1 KiB
C
/* SPDX-License-Identifier: GPL-2.0 */
|
|
#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;
|
|
} __attribute__((__packed__));
|
|
|
|
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 */
|
|
} __attribute__((__packed__));
|
|
|
|
struct task_mgmt_iu {
|
|
__u8 iu_id;
|
|
__u8 rsvd1;
|
|
__be16 tag;
|
|
__u8 function;
|
|
__u8 rsvd2;
|
|
__be16 task_tag;
|
|
struct scsi_lun lun;
|
|
} __attribute__((__packed__));
|
|
|
|
/*
|
|
* 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];
|
|
} __attribute__((__packed__));
|
|
|
|
struct response_iu {
|
|
__u8 iu_id;
|
|
__u8 rsvd1;
|
|
__be16 tag;
|
|
__u8 add_response_info[3];
|
|
__u8 response_code;
|
|
} __attribute__((__packed__));
|
|
|
|
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
|