diff mbox series

[3/6] rpmsg: Add short description of the IOCTL defined in UAPI.

Message ID 20210311140413.31725-4-arnaud.pouliquen@foss.st.com (mailing list archive)
State Accepted
Commit 809328b40cfb152f75541aa3dcbbe4903098963b
Headers show
Series rpmsg: enable the use of the rpmsg_char device for the Virtio backend | expand

Commit Message

Arnaud POULIQUEN March 11, 2021, 2:04 p.m. UTC 
Add a description of the IOCTLs and provide information on the default
value of the source and destination addresses.

Signed-off-by: Arnaud Pouliquen <arnaud.pouliquen@foss.st.com>
---
 include/uapi/linux/rpmsg.h | 11 +++++++++--
 1 file changed, 9 insertions(+), 2 deletions(-)
diff mbox series

Patch

diff --git a/include/uapi/linux/rpmsg.h b/include/uapi/linux/rpmsg.h
index 5e00748da319..f5ca8740f3fb 100644
--- a/include/uapi/linux/rpmsg.h
+++ b/include/uapi/linux/rpmsg.h
@@ -14,8 +14,8 @@ 
 /**
  * struct rpmsg_endpoint_info - endpoint info representation
  * @name: name of service
- * @src: local address
- * @dst: destination address
+ * @src: local address. To set to RPMSG_ADDR_ANY if not used.
+ * @dst: destination address. To set to RPMSG_ADDR_ANY if not used.
  */
 struct rpmsg_endpoint_info {
 	char name[32];
@@ -23,7 +23,14 @@  struct rpmsg_endpoint_info {
 	__u32 dst;
 };
 
+/**
+ * Instantiate a new rmpsg char device endpoint.
+ */
 #define RPMSG_CREATE_EPT_IOCTL	_IOW(0xb5, 0x1, struct rpmsg_endpoint_info)
+
+/**
+ * Destroy a rpmsg char device endpoint created by the RPMSG_CREATE_EPT_IOCTL.
+ */
 #define RPMSG_DESTROY_EPT_IOCTL	_IO(0xb5, 0x2)
 
 #endif