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      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 "vchiq_if.h"
     38 
     39 #define VCHIQ_IOC_MAGIC 0xc4
     40 #define VCHIQ_INVALID_HANDLE (~0)
     41 
     42 typedef struct {
     43 	VCHIQ_SERVICE_PARAMS_T params;
     44 	int is_open;
     45 	int is_vchi;
     46 	unsigned int handle;       /* OUT */
     47 } VCHIQ_CREATE_SERVICE_T;
     48 
     49 typedef struct {
     50 	unsigned int handle;
     51 	unsigned int count;
     52 	const VCHIQ_ELEMENT_T *elements;
     53 } VCHIQ_QUEUE_MESSAGE_T;
     54 
     55 typedef struct {
     56 	unsigned int handle;
     57 	void *data;
     58 	unsigned int size;
     59 	void *userdata;
     60 	VCHIQ_BULK_MODE_T mode;
     61 } VCHIQ_QUEUE_BULK_TRANSFER_T;
     62 
     63 typedef struct {
     64 	VCHIQ_REASON_T reason;
     65 	VCHIQ_HEADER_T *header;
     66 	void *service_userdata;
     67 	void *bulk_userdata;
     68 } VCHIQ_COMPLETION_DATA_T;
     69 
     70 typedef struct {
     71 	unsigned int count;
     72 	VCHIQ_COMPLETION_DATA_T *buf;
     73 	unsigned int msgbufsize;
     74 	unsigned int msgbufcount; /* IN/OUT */
     75 	void **msgbufs;
     76 } VCHIQ_AWAIT_COMPLETION_T;
     77 
     78 typedef struct {
     79 	unsigned int handle;
     80 	int blocking;
     81 	unsigned int bufsize;
     82 	void *buf;
     83 } VCHIQ_DEQUEUE_MESSAGE_T;
     84 
     85 typedef struct {
     86 	unsigned int config_size;
     87 	VCHIQ_CONFIG_T *pconfig;
     88 } VCHIQ_GET_CONFIG_T;
     89 
     90 typedef struct {
     91 	unsigned int handle;
     92 	VCHIQ_SERVICE_OPTION_T option;
     93 	int value;
     94 } VCHIQ_SET_SERVICE_OPTION_T;
     95 
     96 typedef struct {
     97 	void     *virt_addr;
     98 	size_t    num_bytes;
     99 } VCHIQ_DUMP_MEM_T;
    100 
    101 #define VCHIQ_IOC_CONNECT              _IO(VCHIQ_IOC_MAGIC,   0)
    102 #define VCHIQ_IOC_SHUTDOWN             _IO(VCHIQ_IOC_MAGIC,   1)
    103 #define VCHIQ_IOC_CREATE_SERVICE \
    104 	_IOWR(VCHIQ_IOC_MAGIC, 2, VCHIQ_CREATE_SERVICE_T)
    105 #define VCHIQ_IOC_REMOVE_SERVICE       _IO(VCHIQ_IOC_MAGIC,   3)
    106 #define VCHIQ_IOC_QUEUE_MESSAGE \
    107 	_IOW(VCHIQ_IOC_MAGIC,  4, VCHIQ_QUEUE_MESSAGE_T)
    108 #define VCHIQ_IOC_QUEUE_BULK_TRANSMIT \
    109 	_IOWR(VCHIQ_IOC_MAGIC, 5, VCHIQ_QUEUE_BULK_TRANSFER_T)
    110 #define VCHIQ_IOC_QUEUE_BULK_RECEIVE \
    111 	_IOWR(VCHIQ_IOC_MAGIC, 6, VCHIQ_QUEUE_BULK_TRANSFER_T)
    112 #define VCHIQ_IOC_AWAIT_COMPLETION \
    113 	_IOWR(VCHIQ_IOC_MAGIC, 7, VCHIQ_AWAIT_COMPLETION_T)
    114 #define VCHIQ_IOC_DEQUEUE_MESSAGE \
    115 	_IOWR(VCHIQ_IOC_MAGIC, 8, VCHIQ_DEQUEUE_MESSAGE_T)
    116 #define VCHIQ_IOC_GET_CLIENT_ID        _IO(VCHIQ_IOC_MAGIC,   9)
    117 #define VCHIQ_IOC_GET_CONFIG \
    118 	_IOWR(VCHIQ_IOC_MAGIC, 10, VCHIQ_GET_CONFIG_T)
    119 #define VCHIQ_IOC_CLOSE_SERVICE        _IO(VCHIQ_IOC_MAGIC,   11)
    120 #define VCHIQ_IOC_USE_SERVICE          _IO(VCHIQ_IOC_MAGIC,   12)
    121 #define VCHIQ_IOC_RELEASE_SERVICE      _IO(VCHIQ_IOC_MAGIC,   13)
    122 #define VCHIQ_IOC_SET_SERVICE_OPTION \
    123 	_IOW(VCHIQ_IOC_MAGIC,  14, VCHIQ_SET_SERVICE_OPTION_T)
    124 #define VCHIQ_IOC_DUMP_PHYS_MEM \
    125 	_IOW(VCHIQ_IOC_MAGIC,  15, VCHIQ_DUMP_MEM_T)
    126 #define VCHIQ_IOC_LIB_VERSION          _IO(VCHIQ_IOC_MAGIC,   16)
    127 #define VCHIQ_IOC_CLOSE_DELIVERED      _IO(VCHIQ_IOC_MAGIC,   17)
    128 #define VCHIQ_IOC_MAX                  17
    129 
    130 #endif
    131