include/uapi/linux/rpmsg.h

   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