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- #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
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