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usb/uas: move UAS structs / defines into a header file

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The protocol specific structures and defines which are used by UAS are
moved into a header files by this patch so it can be accessed by the UAS
gadget as well.

Signed-off-by: Sebastian Andrzej Siewior <bigeasy@linutronix.de>
Signed-off-by: Sarah Sharp <sarah.a.sharp@linux.intel.com>
This commit is contained in:
Sebastian Andrzej Siewior 2012-01-11 12:45:56 +01:00 committed by Sarah Sharp
parent c898add51c
commit 348748b0e8
2 changed files with 62 additions and 55 deletions
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56
drivers/usb/storage/uas.c
View File

@ -15,6 +15,7 @@
#include <linux/usb.h>
#include <linux/usb/hcd.h>
#include <linux/usb/storage.h>
#include <linux/usb/uas.h>
#include <scsi/scsi.h>
#include <scsi/scsi_dbg.h>
@ -23,49 +24,6 @@
#include <scsi/scsi_host.h>
#include <scsi/scsi_tcq.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];
};
/*
* The r00-r01c specs define this version of the SENSE IU data structure.
* It's still in use by several different firmware releases.
@ -80,18 +38,6 @@ struct sense_iu_old {
__u8 sense[SCSI_SENSE_BUFFERSIZE];
};
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,
};
struct uas_dev_info {
struct usb_interface *intf;
struct usb_device *udev;

61
include/linux/usb/uas.h Normal file
View File

@ -0,0 +1,61 @@
#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];
};
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