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

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>

diff --git a/drivers/usb/storage/uas.c b/drivers/usb/storage/uas.c
index e34c75970ed1c9d9746eff3ed56bd2cb144bdf82..f98ba40352c1bc962cc5a318985743041b09d8d3 100644 (file)
--- a/drivers/usb/storage/uas.c
+++ b/drivers/usb/storage/uas.c
@@ -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;

diff --git a/include/linux/usb/uas.h b/include/linux/usb/uas.h
new file mode 100644 (file)
index 0000000..856be7f
--- /dev/null
+++ b/include/linux/usb/uas.h
@@ -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