1/* SPDX-License-Identifier: GPL-2.0 OR BSD-3-Clause */
2/* Copyright (c) 2010-2012 Broadcom. All rights reserved. */
3
4#ifndef VCHIQ_IOCTLS_H
5#define VCHIQ_IOCTLS_H
6
7#include <linux/ioctl.h>
8
9#include "../../include/linux/raspberrypi/vchiq.h"
10
11#define VCHIQ_IOC_MAGIC 0xc4
12#define VCHIQ_INVALID_HANDLE (~0)
13
14struct vchiq_service_params {
15	int fourcc;
16	int __user (*callback)(enum vchiq_reason reason,
17			       struct vchiq_header *header,
18			       unsigned int handle,
19			       void *bulk_userdata);
20	void __user *userdata;
21	short version;       /* Increment for non-trivial changes */
22	short version_min;   /* Update for incompatible changes */
23};
24
25struct vchiq_create_service {
26	struct vchiq_service_params params;
27	int is_open;
28	int is_vchi;
29	unsigned int handle;       /* OUT */
30};
31
32struct vchiq_queue_message {
33	unsigned int handle;
34	unsigned int count;
35	const struct vchiq_element __user *elements;
36};
37
38struct vchiq_queue_bulk_transfer {
39	unsigned int handle;
40	void __user *data;
41	unsigned int size;
42	void __user *userdata;
43	enum vchiq_bulk_mode mode;
44};
45
46struct vchiq_completion_data {
47	enum vchiq_reason reason;
48	struct vchiq_header __user *header;
49	void __user *service_userdata;
50	void __user *bulk_userdata;
51};
52
53struct vchiq_await_completion {
54	unsigned int count;
55	struct vchiq_completion_data __user *buf;
56	unsigned int msgbufsize;
57	unsigned int msgbufcount; /* IN/OUT */
58	void * __user *msgbufs;
59};
60
61struct vchiq_dequeue_message {
62	unsigned int handle;
63	int blocking;
64	unsigned int bufsize;
65	void __user *buf;
66};
67
68struct vchiq_get_config {
69	unsigned int config_size;
70	struct vchiq_config __user *pconfig;
71};
72
73struct vchiq_set_service_option {
74	unsigned int handle;
75	enum vchiq_service_option option;
76	int value;
77};
78
79struct vchiq_dump_mem {
80	void     __user *virt_addr;
81	size_t    num_bytes;
82};
83
84#define VCHIQ_IOC_CONNECT              _IO(VCHIQ_IOC_MAGIC,   0)
85#define VCHIQ_IOC_SHUTDOWN             _IO(VCHIQ_IOC_MAGIC,   1)
86#define VCHIQ_IOC_CREATE_SERVICE \
87	_IOWR(VCHIQ_IOC_MAGIC, 2, struct vchiq_create_service)
88#define VCHIQ_IOC_REMOVE_SERVICE       _IO(VCHIQ_IOC_MAGIC,   3)
89#define VCHIQ_IOC_QUEUE_MESSAGE \
90	_IOW(VCHIQ_IOC_MAGIC,  4, struct vchiq_queue_message)
91#define VCHIQ_IOC_QUEUE_BULK_TRANSMIT \
92	_IOWR(VCHIQ_IOC_MAGIC, 5, struct vchiq_queue_bulk_transfer)
93#define VCHIQ_IOC_QUEUE_BULK_RECEIVE \
94	_IOWR(VCHIQ_IOC_MAGIC, 6, struct vchiq_queue_bulk_transfer)
95#define VCHIQ_IOC_AWAIT_COMPLETION \
96	_IOWR(VCHIQ_IOC_MAGIC, 7, struct vchiq_await_completion)
97#define VCHIQ_IOC_DEQUEUE_MESSAGE \
98	_IOWR(VCHIQ_IOC_MAGIC, 8, struct vchiq_dequeue_message)
99#define VCHIQ_IOC_GET_CLIENT_ID        _IO(VCHIQ_IOC_MAGIC,   9)
100#define VCHIQ_IOC_GET_CONFIG \
101	_IOWR(VCHIQ_IOC_MAGIC, 10, struct vchiq_get_config)
102#define VCHIQ_IOC_CLOSE_SERVICE        _IO(VCHIQ_IOC_MAGIC,   11)
103#define VCHIQ_IOC_USE_SERVICE          _IO(VCHIQ_IOC_MAGIC,   12)
104#define VCHIQ_IOC_RELEASE_SERVICE      _IO(VCHIQ_IOC_MAGIC,   13)
105#define VCHIQ_IOC_SET_SERVICE_OPTION \
106	_IOW(VCHIQ_IOC_MAGIC,  14, struct vchiq_set_service_option)
107#define VCHIQ_IOC_DUMP_PHYS_MEM \
108	_IOW(VCHIQ_IOC_MAGIC,  15, struct vchiq_dump_mem)
109#define VCHIQ_IOC_LIB_VERSION          _IO(VCHIQ_IOC_MAGIC,   16)
110#define VCHIQ_IOC_CLOSE_DELIVERED      _IO(VCHIQ_IOC_MAGIC,   17)
111#define VCHIQ_IOC_MAX                  17
112
113#endif
114