linux-kernel - [PATCH 05/13] rpmsg: uapi: add service param for create destroy ioctls

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Message-ID: <20200731121043.24199-6-arnaud.pouliquen@st.com>
Date:   Fri, 31 Jul 2020 14:10:35 +0200
From:   Arnaud Pouliquen <arnaud.pouliquen@...com>
To:     Bjorn Andersson <bjorn.andersson@...aro.org>,
        Ohad Ben-Cohen <ohad@...ery.com>,
        Mathieu Poirier <mathieu.poirier@...aro.org>
CC:     <linux-remoteproc@...r.kernel.org>, <linux-kernel@...r.kernel.org>,
        <linux-stm32@...md-mailman.stormreply.com>,
        <arnaud.pouliquen@...com>
Subject: [PATCH 05/13] rpmsg: uapi: add service param for create destroy ioctls

To allow to associate an endpoint creation to a service, add
a new parameter in rpmsg_endpoint_info struct.
For each RPMsg service driver that want to support the ioctl interface
a new service will have to be added.
The  RPMSG_START_PRIVATE_SERVICES is used to allow developer to add is
own services with ID higher or equal to 1024.

Signed-off-by: Arnaud Pouliquen <arnaud.pouliquen@...com>
---
 include/uapi/linux/rpmsg.h | 16 ++++++++++++++++
 1 file changed, 16 insertions(+)

diff --git a/include/uapi/linux/rpmsg.h b/include/uapi/linux/rpmsg.h
index e14c6dab4223..2ccc10ffacd4 100644
--- a/include/uapi/linux/rpmsg.h
+++ b/include/uapi/linux/rpmsg.h
@@ -9,16 +9,32 @@
 #include <linux/ioctl.h>
 #include <linux/types.h>
 
+/**
+ * enum rpmsg_services - list of supported RPMsg services
+ *
+ * @RPMSG_RAW_SERVICE: char device RPMSG service
+ * @RPMSG_START_PRIVATE_SERVICES: private services have to be declared after.
+ */
+enum rpmsg_services {
+	/* Reserved services */
+	RPMSG_RAW_SERVICE =  0,
+
+	/* Private services */
+	RPMSG_START_PRIVATE_SERVICES =  1024,
+};
+
 /**
  * struct rpmsg_endpoint_info - endpoint info representation
  * @name: name of service
  * @src: local address
  * @dst: destination address
+ * @service: associated RPMsg service
  */
 struct rpmsg_endpoint_info {
 	char name[32];
 	__u32 src;
 	__u32 dst;
+	__u32 service;
 };
 
 #define RPMSG_CREATE_EPT_IOCTL	_IOW(0xb5, 0x1, struct rpmsg_endpoint_info)
-- 
2.17.1