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Subject[PATCH v3 1/4] bus: fsl-mc: move fsl_mc_command struct in a uapi header
Date
Define "struct fsl_mc_command" as a structure that can cross the
user/kernel boundary. Also change the variable types used with
the proper ones.

Signed-off-by: Ioana Ciornei <ioana.ciornei@nxp.com>
---
Changes in v2:
- added the patch itself
Changes in v3:
- added the correct license for UAPI files

MAINTAINERS | 1 +
include/linux/fsl/mc.h | 8 +-------
include/uapi/linux/fsl_mc.h | 23 +++++++++++++++++++++++
3 files changed, 25 insertions(+), 7 deletions(-)
create mode 100644 include/uapi/linux/fsl_mc.h

diff --git a/MAINTAINERS b/MAINTAINERS
index 61fd418..861cf1d 100644
--- a/MAINTAINERS
+++ b/MAINTAINERS
@@ -11485,6 +11485,7 @@ 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@iki.fi>
diff --git a/include/linux/fsl/mc.h b/include/linux/fsl/mc.h
index f27cb14..19a352b 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 {
- u64 header;
- u64 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..54590a2
--- /dev/null
+++ b/include/uapi/linux/fsl_mc.h
@@ -0,0 +1,23 @@
+/* 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_
+
+#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 {
+ __u64 header;
+ __u64 params[MC_CMD_NUM_OF_PARAMS];
+};
+
+#endif /* _UAPI_FSL_MC_H_ */
--
1.9.1
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