Current File : //usr/src/linux-headers-5.15.0-125-generic/include/linux/rpmsg/ns.h
/* SPDX-License-Identifier: GPL-2.0 */
#ifndef _LINUX_RPMSG_NS_H
#define _LINUX_RPMSG_NS_H
#include <linux/mod_devicetable.h>
#include <linux/rpmsg.h>
#include <linux/rpmsg/byteorder.h>
#include <linux/types.h>
/**
* struct rpmsg_ns_msg - dynamic name service announcement message
* @name: name of remote service that is published
* @addr: address of remote service that is published
* @flags: indicates whether service is created or destroyed
*
* This message is sent across to publish a new service, or announce
* about its removal. When we receive these messages, an appropriate
* rpmsg channel (i.e device) is created/destroyed. In turn, the ->probe()
* or ->remove() handler of the appropriate rpmsg driver will be invoked
* (if/as-soon-as one is registered).
*/
struct rpmsg_ns_msg {
char name[RPMSG_NAME_SIZE];
__rpmsg32 addr;
__rpmsg32 flags;
} __packed;
/**
* enum rpmsg_ns_flags - dynamic name service announcement flags
*
* @RPMSG_NS_CREATE: a new remote service was just created
* @RPMSG_NS_DESTROY: a known remote service was just destroyed
*/
enum rpmsg_ns_flags {
RPMSG_NS_CREATE = 0,
RPMSG_NS_DESTROY = 1,
};
/* Address 53 is reserved for advertising remote services */
#define RPMSG_NS_ADDR (53)
int rpmsg_ns_register_device(struct rpmsg_device *rpdev);
#endif
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