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110 lines
2.1 KiB
110 lines
2.1 KiB
/* SPDX-License-Identifier: GPL-2.0 */ |
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#ifndef __USB_UAS_H__ |
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#define __USB_UAS_H__ |
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#include <scsi/scsi.h> |
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#include <scsi/scsi_cmnd.h> |
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/* Common header for all IUs */ |
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struct iu { |
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__u8 iu_id; |
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__u8 rsvd1; |
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__be16 tag; |
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} __attribute__((__packed__)); |
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enum { |
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IU_ID_COMMAND = 0x01, |
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IU_ID_STATUS = 0x03, |
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IU_ID_RESPONSE = 0x04, |
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IU_ID_TASK_MGMT = 0x05, |
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IU_ID_READ_READY = 0x06, |
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IU_ID_WRITE_READY = 0x07, |
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}; |
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enum { |
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TMF_ABORT_TASK = 0x01, |
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TMF_ABORT_TASK_SET = 0x02, |
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TMF_CLEAR_TASK_SET = 0x04, |
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TMF_LOGICAL_UNIT_RESET = 0x08, |
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TMF_I_T_NEXUS_RESET = 0x10, |
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TMF_CLEAR_ACA = 0x40, |
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TMF_QUERY_TASK = 0x80, |
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TMF_QUERY_TASK_SET = 0x81, |
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TMF_QUERY_ASYNC_EVENT = 0x82, |
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}; |
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enum { |
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RC_TMF_COMPLETE = 0x00, |
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RC_INVALID_INFO_UNIT = 0x02, |
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RC_TMF_NOT_SUPPORTED = 0x04, |
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RC_TMF_FAILED = 0x05, |
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RC_TMF_SUCCEEDED = 0x08, |
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RC_INCORRECT_LUN = 0x09, |
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RC_OVERLAPPED_TAG = 0x0a, |
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}; |
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struct command_iu { |
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__u8 iu_id; |
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__u8 rsvd1; |
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__be16 tag; |
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__u8 prio_attr; |
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__u8 rsvd5; |
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__u8 len; |
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__u8 rsvd7; |
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struct scsi_lun lun; |
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__u8 cdb[16]; /* XXX: Overflow-checking tools may misunderstand */ |
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} __attribute__((__packed__)); |
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struct task_mgmt_iu { |
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__u8 iu_id; |
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__u8 rsvd1; |
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__be16 tag; |
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__u8 function; |
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__u8 rsvd2; |
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__be16 task_tag; |
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struct scsi_lun lun; |
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} __attribute__((__packed__)); |
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/* |
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* Also used for the Read Ready and Write Ready IUs since they have the |
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* same first four bytes |
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*/ |
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struct sense_iu { |
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__u8 iu_id; |
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__u8 rsvd1; |
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__be16 tag; |
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__be16 status_qual; |
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__u8 status; |
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__u8 rsvd7[7]; |
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__be16 len; |
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__u8 sense[SCSI_SENSE_BUFFERSIZE]; |
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} __attribute__((__packed__)); |
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struct response_iu { |
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__u8 iu_id; |
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__u8 rsvd1; |
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__be16 tag; |
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__u8 add_response_info[3]; |
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__u8 response_code; |
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} __attribute__((__packed__)); |
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struct usb_pipe_usage_descriptor { |
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__u8 bLength; |
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__u8 bDescriptorType; |
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__u8 bPipeID; |
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__u8 Reserved; |
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} __attribute__((__packed__)); |
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enum { |
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CMD_PIPE_ID = 1, |
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STATUS_PIPE_ID = 2, |
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DATA_IN_PIPE_ID = 3, |
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DATA_OUT_PIPE_ID = 4, |
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UAS_SIMPLE_TAG = 0, |
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UAS_HEAD_TAG = 1, |
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UAS_ORDERED_TAG = 2, |
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UAS_ACA = 4, |
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}; |
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#endif
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