1/* SPDX-License-Identifier: GPL-2.0 */
2
3#ifndef _LINUX_RPMSG_NS_H
4#define _LINUX_RPMSG_NS_H
5
6#include <linux/mod_devicetable.h>
7#include <linux/rpmsg.h>
8#include <linux/rpmsg/byteorder.h>
9#include <linux/types.h>
10
11/**
12 * struct rpmsg_ns_msg - dynamic name service announcement message
13 * @name: name of remote service that is published
14 * @addr: address of remote service that is published
15 * @flags: indicates whether service is created or destroyed
16 *
17 * This message is sent across to publish a new service, or announce
18 * about its removal. When we receive these messages, an appropriate
19 * rpmsg channel (i.e device) is created/destroyed. In turn, the ->probe()
20 * or ->remove() handler of the appropriate rpmsg driver will be invoked
21 * (if/as-soon-as one is registered).
22 */
23struct rpmsg_ns_msg {
24 char name[RPMSG_NAME_SIZE];
25 __rpmsg32 addr;
26 __rpmsg32 flags;
27} __packed;
28
29/**
30 * enum rpmsg_ns_flags - dynamic name service announcement flags
31 *
32 * @RPMSG_NS_CREATE: a new remote service was just created
33 * @RPMSG_NS_DESTROY: a known remote service was just destroyed
34 */
35enum rpmsg_ns_flags {
36 RPMSG_NS_CREATE = 0,
37 RPMSG_NS_DESTROY = 1,
38};
39
40/* Address 53 is reserved for advertising remote services */
41#define RPMSG_NS_ADDR (53)
42
43int rpmsg_ns_register_device(struct rpmsg_device *rpdev);
44
45#endif
46

source code of linux/include/linux/rpmsg/ns.h