[PATCH 1/3] staging/usbip: add uapi header to export usbip kernel interfaces

[Shuah Khan]

usbip userspace has duplicated enum definition to report usbip device
status maintained by the kernel. Adding an usbip uapi header file will
define the kernel - userspace interface for this device status.

Signed-off-by: Shuah Khan <shuah.kh@xxxxxxxxxxx>
---
 include/uapi/linux/Kbuild  |    1 +
 include/uapi/linux/usbip.h |   26 ++++++++++++++++++++++++++
 2 files changed, 27 insertions(+)
 create mode 100644 include/uapi/linux/usbip.h

diff --git a/include/uapi/linux/Kbuild b/include/uapi/linux/Kbuild
index 3ce25b5..4fb4800 100644
--- a/include/uapi/linux/Kbuild
+++ b/include/uapi/linux/Kbuild
@@ -393,6 +393,7 @@ header-y += un.h
 header-y += unistd.h
 header-y += unix_diag.h
 header-y += usbdevice_fs.h
+header-y += usbip.h
 header-y += utime.h
 header-y += utsname.h
 header-y += uuid.h
diff --git a/include/uapi/linux/usbip.h b/include/uapi/linux/usbip.h
new file mode 100644
index 0000000..fa5db30
--- /dev/null
+++ b/include/uapi/linux/usbip.h
@@ -0,0 +1,26 @@
+/*
+ *	usbip.h
+ *
+ *	USBIP uapi defines and function prototypes etc.
+*/
+
+#ifndef _UAPI_LINUX_USBIP_H
+#define _UAPI_LINUX_USBIP_H
+
+/* usbip device status - exported in usbip device sysfs status */
+enum usbip_device_status {
+	/* sdev is available. */
+	SDEV_ST_AVAILABLE = 0x01,
+	/* sdev is now used. */
+	SDEV_ST_USED,
+	/* sdev is unusable because of a fatal error. */
+	SDEV_ST_ERROR,
+
+	/* vdev does not connect a remote device. */
+	VDEV_ST_NULL,
+	/* vdev is used, but the USB address is not assigned yet */
+	VDEV_ST_NOTASSIGNED,
+	VDEV_ST_USED,
+	VDEV_ST_ERROR
+};
+#endif /* _UAPI_LINUX_USBIP_H */
-- 
1.7.10.4

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