linux-kernel - [PATCH v3 1/4] bus: fsl-mc: move fsl_mc

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Date:   Tue, 20 Nov 2018 15:39:44 +0000
From:   Ioana Ciornei <ioana.ciornei@....com>
To:     "gregkh@...uxfoundation.org" <gregkh@...uxfoundation.org>,
        Laurentiu Tudor <laurentiu.tudor@....com>
CC:     "linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>,
        "netdev-owner@...r.kernel.org" <netdev-owner@...r.kernel.org>,
        Ioana Ciocoi Radulescu <ruxandra.radulescu@....com>,
        Horia Geanta <horia.geanta@....com>,
        Leo Li <leoyang.li@....com>,
        Ioana Ciornei <ioana.ciornei@....com>
Subject: [PATCH v3 1/4] bus: fsl-mc: move fsl_mc_command struct in a uapi
 header

Define "struct fsl_mc_command" as a structure that can cross the
user/kernel boundary.

Signed-off-by: Ioana Ciornei <ioana.ciornei@....com>
---
Changes in v2:
  - none
Changes in v3:
  - none

 MAINTAINERS                 |  1 +
 include/linux/fsl/mc.h      |  8 +-------
 include/uapi/linux/fsl_mc.h | 25 +++++++++++++++++++++++++
 3 files changed, 27 insertions(+), 7 deletions(-)
 create mode 100644 include/uapi/linux/fsl_mc.h

diff --git a/MAINTAINERS b/MAINTAINERS
index f485597..e841cc4 100644
--- a/MAINTAINERS
+++ b/MAINTAINERS
@@ -12282,6 +12282,7 @@ S:	Maintained
 F:	drivers/bus/fsl-mc/
 F:	Documentation/devicetree/bindings/misc/fsl,qoriq-mc.txt
 F:	Documentation/networking/dpaa2/overview.rst
+F:	include/uapi/linux/fsl_mc.h
 
 QT1010 MEDIA DRIVER
 M:	Antti Palosaari <crope@....fi>
diff --git a/include/linux/fsl/mc.h b/include/linux/fsl/mc.h
index 741f567..64fc9f8 100644
--- a/include/linux/fsl/mc.h
+++ b/include/linux/fsl/mc.h
@@ -12,6 +12,7 @@
 #include <linux/device.h>
 #include <linux/mod_devicetable.h>
 #include <linux/interrupt.h>
+#include <uapi/linux/fsl_mc.h>
 
 #define FSL_MC_VENDOR_FREESCALE	0x1957
 
@@ -198,8 +199,6 @@ struct fsl_mc_device {
 #define to_fsl_mc_device(_dev) \
 	container_of(_dev, struct fsl_mc_device, dev)
 
-#define MC_CMD_NUM_OF_PARAMS	7
-
 struct mc_cmd_header {
 	u8 src_id;
 	u8 flags_hw;
@@ -209,11 +208,6 @@ struct mc_cmd_header {
 	__le16 cmd_id;
 };
 
-struct fsl_mc_command {
-	__le64 header;
-	__le64 params[MC_CMD_NUM_OF_PARAMS];
-};
-
 enum mc_cmd_status {
 	MC_CMD_STATUS_OK = 0x0, /* Completed successfully */
 	MC_CMD_STATUS_READY = 0x1, /* Ready to be processed */
diff --git a/include/uapi/linux/fsl_mc.h b/include/uapi/linux/fsl_mc.h
new file mode 100644
index 0000000..6c19cfc
--- /dev/null
+++ b/include/uapi/linux/fsl_mc.h
@@ -0,0 +1,25 @@
+/* SPDX-License-Identifier: GPL-2.0 WITH Linux-syscall-note */
+/*
+ * Management Complex (MC) userspace public interface
+ *
+ * Copyright 2018 NXP
+ *
+ */
+#ifndef _UAPI_FSL_MC_H_
+#define _UAPI_FSL_MC_H_
+
+#include <linux/types.h>
+
+#define MC_CMD_NUM_OF_PARAMS	7
+
+/**
+ * struct fsl_mc_command - Management Complex (MC) command structure
+ * @header: MC command header
+ * @params: MC command parameters
+ */
+struct fsl_mc_command {
+	__le64 header;
+	__le64 params[MC_CMD_NUM_OF_PARAMS];
+};
+
+#endif /* _UAPI_FSL_MC_H_ */
-- 
1.9.1