xref: /linux/include/uapi/linux/rpmsg.h (revision 03c11eb3b16dc0058589751dfd91f254be2be613)
1 /* SPDX-License-Identifier: GPL-2.0 WITH Linux-syscall-note */
2 /*
3  * Copyright (c) 2016, Linaro Ltd.
4  */
5 
6 #ifndef _UAPI_RPMSG_H_
7 #define _UAPI_RPMSG_H_
8 
9 #include <linux/ioctl.h>
10 #include <linux/types.h>
11 
12 #define RPMSG_ADDR_ANY		0xFFFFFFFF
13 
14 /**
15  * struct rpmsg_endpoint_info - endpoint info representation
16  * @name: name of service
17  * @src: local address. To set to RPMSG_ADDR_ANY if not used.
18  * @dst: destination address. To set to RPMSG_ADDR_ANY if not used.
19  */
20 struct rpmsg_endpoint_info {
21 	char name[32];
22 	__u32 src;
23 	__u32 dst;
24 };
25 
26 /**
27  * Instantiate a new rmpsg char device endpoint.
28  */
29 #define RPMSG_CREATE_EPT_IOCTL	_IOW(0xb5, 0x1, struct rpmsg_endpoint_info)
30 
31 /**
32  * Destroy a rpmsg char device endpoint created by the RPMSG_CREATE_EPT_IOCTL.
33  */
34 #define RPMSG_DESTROY_EPT_IOCTL	_IO(0xb5, 0x2)
35 
36 /**
37  * Instantiate a new local rpmsg service device.
38  */
39 #define RPMSG_CREATE_DEV_IOCTL	_IOW(0xb5, 0x3, struct rpmsg_endpoint_info)
40 
41 /**
42  * Release a local rpmsg device.
43  */
44 #define RPMSG_RELEASE_DEV_IOCTL	_IOW(0xb5, 0x4, struct rpmsg_endpoint_info)
45 
46 /**
47  * Get the flow control state of the remote rpmsg char device.
48  */
49 #define RPMSG_GET_OUTGOING_FLOWCONTROL _IOR(0xb5, 0x5, int)
50 
51 /**
52  * Set the flow control state of the local rpmsg char device.
53  */
54 #define RPMSG_SET_INCOMING_FLOWCONTROL _IOR(0xb5, 0x6, int)
55 
56 #endif
57