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 43 typedef 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 50 typedef struct { 51 unsigned int handle; 52 unsigned int count; 53 const struct vchiq_element __user *elements; 54 } VCHIQ_QUEUE_MESSAGE_T; 55 56 typedef 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 64 struct vchiq_completion_data { 65 VCHIQ_REASON_T reason; 66 VCHIQ_HEADER_T *header; 67 void *service_userdata; 68 void *bulk_userdata; 69 }; 70 71 struct vchiq_await_completion { 72 unsigned int count; 73 struct vchiq_completion_data *buf; 74 unsigned int msgbufsize; 75 unsigned int msgbufcount; /* IN/OUT */ 76 void **msgbufs; 77 }; 78 79 typedef struct { 80 unsigned int handle; 81 int blocking; 82 unsigned int bufsize; 83 void *buf; 84 } VCHIQ_DEQUEUE_MESSAGE_T; 85 86 typedef struct { 87 unsigned int config_size; 88 struct vchiq_config __user *pconfig; 89 } VCHIQ_GET_CONFIG_T; 90 91 typedef struct { 92 unsigned int handle; 93 VCHIQ_SERVICE_OPTION_T option; 94 int value; 95 } VCHIQ_SET_SERVICE_OPTION_T; 96 97 typedef 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, struct vchiq_await_completion) 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