1c435a041SMathieu Poirier /* SPDX-License-Identifier: GPL-2.0 */ 2c435a041SMathieu Poirier 3c435a041SMathieu Poirier #ifndef _LINUX_RPMSG_NS_H 4c435a041SMathieu Poirier #define _LINUX_RPMSG_NS_H 5c435a041SMathieu Poirier 6c435a041SMathieu Poirier #include <linux/mod_devicetable.h> 7*950a7388SArnaud Pouliquen #include <linux/rpmsg.h> 8c435a041SMathieu Poirier #include <linux/rpmsg/byteorder.h> 9c435a041SMathieu Poirier #include <linux/types.h> 10c435a041SMathieu Poirier 11c435a041SMathieu Poirier /** 12c435a041SMathieu Poirier * struct rpmsg_ns_msg - dynamic name service announcement message 13c435a041SMathieu Poirier * @name: name of remote service that is published 14c435a041SMathieu Poirier * @addr: address of remote service that is published 15c435a041SMathieu Poirier * @flags: indicates whether service is created or destroyed 16c435a041SMathieu Poirier * 17c435a041SMathieu Poirier * This message is sent across to publish a new service, or announce 18c435a041SMathieu Poirier * about its removal. When we receive these messages, an appropriate 19c435a041SMathieu Poirier * rpmsg channel (i.e device) is created/destroyed. In turn, the ->probe() 20c435a041SMathieu Poirier * or ->remove() handler of the appropriate rpmsg driver will be invoked 21c435a041SMathieu Poirier * (if/as-soon-as one is registered). 22c435a041SMathieu Poirier */ 23c435a041SMathieu Poirier struct rpmsg_ns_msg { 24c435a041SMathieu Poirier char name[RPMSG_NAME_SIZE]; 25c435a041SMathieu Poirier __rpmsg32 addr; 26c435a041SMathieu Poirier __rpmsg32 flags; 27c435a041SMathieu Poirier } __packed; 28c435a041SMathieu Poirier 29c435a041SMathieu Poirier /** 30c435a041SMathieu Poirier * enum rpmsg_ns_flags - dynamic name service announcement flags 31c435a041SMathieu Poirier * 32c435a041SMathieu Poirier * @RPMSG_NS_CREATE: a new remote service was just created 33c435a041SMathieu Poirier * @RPMSG_NS_DESTROY: a known remote service was just destroyed 34c435a041SMathieu Poirier */ 35c435a041SMathieu Poirier enum rpmsg_ns_flags { 36c435a041SMathieu Poirier RPMSG_NS_CREATE = 0, 37c435a041SMathieu Poirier RPMSG_NS_DESTROY = 1, 38c435a041SMathieu Poirier }; 39c435a041SMathieu Poirier 40c435a041SMathieu Poirier /* Address 53 is reserved for advertising remote services */ 41c435a041SMathieu Poirier #define RPMSG_NS_ADDR (53) 42c435a041SMathieu Poirier 43*950a7388SArnaud Pouliquen int rpmsg_ns_register_device(struct rpmsg_device *rpdev); 44*950a7388SArnaud Pouliquen 45c435a041SMathieu Poirier #endif 46