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Linux kernel mirror (for testing) git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
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123456789101112131415161718192021222324252627282930313233343536373839404142434445464748495051525354555657585960616263646566676869707172737475767778798081828384858687888990919293949596979899100101102103104105106107108109110111/* 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