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