LXR linux/drivers/staging/vc04_services/interface/vchiq_arm/vchiq

   1/**
   2 * Copyright (c) 2010-2012 Broadcom. All rights reserved.
   3 *
   4 * Redistribution and use in source and binary forms, with or without
   5 * modification, are permitted provided that the following conditions
   6 * are met:
   7 * 1. Redistributions of source code must retain the above copyright
   8 *    notice, this list of conditions, and the following disclaimer,
   9 *    without modification.
  10 * 2. Redistributions in binary form must reproduce the above copyright
  11 *    notice, this list of conditions and the following disclaimer in the
  12 *    documentation and/or other materials provided with the distribution.
  13 * 3. The names of the above-listed copyright holders may not be used
  14 *    to endorse or promote products derived from this software without
  15 *    specific prior written permission.
  16 *
  17 * ALTERNATIVELY, this software may be distributed under the terms of the
  18 * GNU General Public License ("GPL") version 2, as published by the Free
  19 * Software Foundation.
  20 *
  21 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS
  22 * IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO,
  23 * THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
  24 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR
  25 * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
  26 * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
  27 * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
  28 * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF
  29 * LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
  30 * NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
  31 * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
  32 */
  33
  34#ifndef VCHIQ_IOCTLS_H
  35#define VCHIQ_IOCTLS_H
  36
  37#include <linux/ioctl.h>
  38#include "vchiq_if.h"
  39
  40#define VCHIQ_IOC_MAGIC 0xc4
  41#define VCHIQ_INVALID_HANDLE (~0)
  42
  43typedef struct {
  44        VCHIQ_SERVICE_PARAMS_T params;
  45        int is_open;
  46        int is_vchi;
  47        unsigned int handle;       /* OUT */
  48} VCHIQ_CREATE_SERVICE_T;
  49
  50typedef struct {
  51        unsigned int handle;
  52        unsigned int count;
  53        const struct vchiq_element *elements;
  54} VCHIQ_QUEUE_MESSAGE_T;
  55
  56typedef struct {
  57        unsigned int handle;
  58        void *data;
  59        unsigned int size;
  60        void *userdata;
  61        VCHIQ_BULK_MODE_T mode;
  62} VCHIQ_QUEUE_BULK_TRANSFER_T;
  63
  64typedef struct {
  65        VCHIQ_REASON_T reason;
  66        VCHIQ_HEADER_T *header;
  67        void *service_userdata;
  68        void *bulk_userdata;
  69} VCHIQ_COMPLETION_DATA_T;
  70
  71typedef struct {
  72        unsigned int count;
  73        VCHIQ_COMPLETION_DATA_T *buf;
  74        unsigned int msgbufsize;
  75        unsigned int msgbufcount; /* IN/OUT */
  76        void **msgbufs;
  77} VCHIQ_AWAIT_COMPLETION_T;
  78
  79typedef struct {
  80        unsigned int handle;
  81        int blocking;
  82        unsigned int bufsize;
  83        void *buf;
  84} VCHIQ_DEQUEUE_MESSAGE_T;
  85
  86typedef struct {
  87        unsigned int config_size;
  88        VCHIQ_CONFIG_T *pconfig;
  89} VCHIQ_GET_CONFIG_T;
  90
  91typedef struct {
  92        unsigned int handle;
  93        VCHIQ_SERVICE_OPTION_T option;
  94        int value;
  95} VCHIQ_SET_SERVICE_OPTION_T;
  96
  97typedef struct {
  98        void     *virt_addr;
  99        size_t    num_bytes;
 100} VCHIQ_DUMP_MEM_T;
 101
 102#define VCHIQ_IOC_CONNECT              _IO(VCHIQ_IOC_MAGIC,   0)
 103#define VCHIQ_IOC_SHUTDOWN             _IO(VCHIQ_IOC_MAGIC,   1)
 104#define VCHIQ_IOC_CREATE_SERVICE \
 105        _IOWR(VCHIQ_IOC_MAGIC, 2, VCHIQ_CREATE_SERVICE_T)
 106#define VCHIQ_IOC_REMOVE_SERVICE       _IO(VCHIQ_IOC_MAGIC,   3)
 107#define VCHIQ_IOC_QUEUE_MESSAGE \
 108        _IOW(VCHIQ_IOC_MAGIC,  4, VCHIQ_QUEUE_MESSAGE_T)
 109#define VCHIQ_IOC_QUEUE_BULK_TRANSMIT \
 110        _IOWR(VCHIQ_IOC_MAGIC, 5, VCHIQ_QUEUE_BULK_TRANSFER_T)
 111#define VCHIQ_IOC_QUEUE_BULK_RECEIVE \
 112        _IOWR(VCHIQ_IOC_MAGIC, 6, VCHIQ_QUEUE_BULK_TRANSFER_T)
 113#define VCHIQ_IOC_AWAIT_COMPLETION \
 114        _IOWR(VCHIQ_IOC_MAGIC, 7, VCHIQ_AWAIT_COMPLETION_T)
 115#define VCHIQ_IOC_DEQUEUE_MESSAGE \
 116        _IOWR(VCHIQ_IOC_MAGIC, 8, VCHIQ_DEQUEUE_MESSAGE_T)
 117#define VCHIQ_IOC_GET_CLIENT_ID        _IO(VCHIQ_IOC_MAGIC,   9)
 118#define VCHIQ_IOC_GET_CONFIG \
 119        _IOWR(VCHIQ_IOC_MAGIC, 10, VCHIQ_GET_CONFIG_T)
 120#define VCHIQ_IOC_CLOSE_SERVICE        _IO(VCHIQ_IOC_MAGIC,   11)
 121#define VCHIQ_IOC_USE_SERVICE          _IO(VCHIQ_IOC_MAGIC,   12)
 122#define VCHIQ_IOC_RELEASE_SERVICE      _IO(VCHIQ_IOC_MAGIC,   13)
 123#define VCHIQ_IOC_SET_SERVICE_OPTION \
 124        _IOW(VCHIQ_IOC_MAGIC,  14, VCHIQ_SET_SERVICE_OPTION_T)
 125#define VCHIQ_IOC_DUMP_PHYS_MEM \
 126        _IOW(VCHIQ_IOC_MAGIC,  15, VCHIQ_DUMP_MEM_T)
 127#define VCHIQ_IOC_LIB_VERSION          _IO(VCHIQ_IOC_MAGIC,   16)
 128#define VCHIQ_IOC_CLOSE_DELIVERED      _IO(VCHIQ_IOC_MAGIC,   17)
 129#define VCHIQ_IOC_MAX                  17
 130
 131#endif
 132