[PATCH 4/9] rpmsg: define the name service announcement as reserved address

Arnaud Pouliquen
2020-07-31T11:48:10Z

The address 53 is reserved for the dynamic RPMsg device management
on name service announcement.
Define this address in a reserved enum list.

Signed-off-by: Arnaud Pouliquen <arnaud.pouliquen@st.com>
---
drivers/rpmsg/virtio_rpmsg_bus.c | 3 ---
include/linux/rpmsg.h | 9 +++++++++
2 files changed, 9 insertions(+), 3 deletions(-)

diff --git a/drivers/rpmsg/virtio_rpmsg_bus.c b/drivers/rpmsg/virtio_rpmsg_bus.c
index 910d30818901..b2927661868c 100644
--- a/drivers/rpmsg/virtio_rpmsg_bus.c
+++ b/drivers/rpmsg/virtio_rpmsg_bus.c
@@ -162,9 +162,6 @@ struct virtio_rpmsg_channel {
*/
#define RPMSG_RESERVED_ADDRESSES (1024)

-/* Address 53 is reserved for advertising remote services */
-#define RPMSG_NS_ADDR (53)
-
static void virtio_rpmsg_destroy_ept(struct rpmsg_endpoint *ept);
static int virtio_rpmsg_send(struct rpmsg_endpoint *ept, void *data, int len);
static int virtio_rpmsg_sendto(struct rpmsg_endpoint *ept, void *data, int len,
diff --git a/include/linux/rpmsg.h b/include/linux/rpmsg.h
index 9fe156d1c018..5496d27c6f8c 100644
--- a/include/linux/rpmsg.h
+++ b/include/linux/rpmsg.h
@@ -20,6 +20,15 @@

#define RPMSG_ADDR_ANY 0xFFFFFFFF

+/**
+ * enum rpmsg_ns_flags - List of reserved RPMsg addresses
+ *
+ * @RPMSG_NS_ADDR: remote services advertising for dynamic allocation
+ */
+enum rpmsg_reserved_addr {
+ RPMSG_NS_ADDR = 53,
+};
+
struct rpmsg_device;
struct rpmsg_endpoint;
struct rpmsg_device_ops;
--
2.17.1