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

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Message-Id: <10c9784313c5bafc6410b95cb3b569d5925eeaaa.1393542201.git.shuah.kh@samsung.com>
Date:	Thu, 27 Feb 2014 17:27:25 -0700
From:	Shuah Khan <shuah.kh@...sung.com>
To:	gregkh@...uxfoundation.org, ly80toro@....cs.fau.de,
	andy.grover@...il.com, valentina.manea.m@...il.com
Cc:	Shuah Khan <shuah.kh@...sung.com>, linux-usb@...r.kernel.org,
	devel@...verdev.osuosl.org, linux-kernel@...r.kernel.org,
	shuahkhan@...il.com
Subject: [PATCH 1/3] staging/usbip: add uapi header to export usbip kernel interfaces

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@...sung.com>
---
 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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