1/*
2 * Copyright 2013 Red Hat
3 * All Rights Reserved.
4 *
5 * Permission is hereby granted, free of charge, to any person obtaining a
6 * copy of this software and associated documentation files (the "Software"),
7 * to deal in the Software without restriction, including without limitation
8 * the rights to use, copy, modify, merge, publish, distribute, sublicense,
9 * and/or sell copies of the Software, and to permit persons to whom the
10 * Software is furnished to do so, subject to the following conditions:
11 *
12 * The above copyright notice and this permission notice (including the next
13 * paragraph) shall be included in all copies or substantial portions of the
14 * Software.
15 *
16 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
17 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
18 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL
19 * THE AUTHORS AND/OR ITS SUPPLIERS BE LIABLE FOR ANY CLAIM, DAMAGES OR
20 * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
21 * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
22 * OTHER DEALINGS IN THE SOFTWARE.
23 */
24#ifndef QXL_DRM_H
25#define QXL_DRM_H
26
27#include "drm.h"
28
29#if defined(__cplusplus)
30extern "C" {
31#endif
32
33/* Please note that modifications to all structs defined here are
34 * subject to backwards-compatibility constraints.
35 *
36 * Do not use pointers, use __u64 instead for 32 bit / 64 bit user/kernel
37 * compatibility Keep fields aligned to their size
38 */
39
40#define QXL_GEM_DOMAIN_CPU 0
41#define QXL_GEM_DOMAIN_VRAM 1
42#define QXL_GEM_DOMAIN_SURFACE 2
43
44#define DRM_QXL_ALLOC       0x00
45#define DRM_QXL_MAP         0x01
46#define DRM_QXL_EXECBUFFER  0x02
47#define DRM_QXL_UPDATE_AREA 0x03
48#define DRM_QXL_GETPARAM    0x04
49#define DRM_QXL_CLIENTCAP   0x05
50
51#define DRM_QXL_ALLOC_SURF  0x06
52
53struct drm_qxl_alloc {
54	__u32 size;
55	__u32 handle; /* 0 is an invalid handle */
56};
57
58struct drm_qxl_map {
59	__u64 offset; /* use for mmap system call */
60	__u32 handle;
61	__u32 pad;
62};
63
64/*
65 * dest is the bo we are writing the relocation into
66 * src is bo we are relocating.
67 * *(dest_handle.base_addr + dest_offset) = physical_address(src_handle.addr +
68 * src_offset)
69 */
70#define QXL_RELOC_TYPE_BO 1
71#define QXL_RELOC_TYPE_SURF 2
72
73struct drm_qxl_reloc {
74	__u64 src_offset; /* offset into src_handle or src buffer */
75	__u64 dst_offset; /* offset in dest handle */
76	__u32 src_handle; /* dest handle to compute address from */
77	__u32 dst_handle; /* 0 if to command buffer */
78	__u32 reloc_type;
79	__u32 pad;
80};
81
82struct drm_qxl_command {
83	__u64		command; /* void* */
84	__u64		relocs; /* struct drm_qxl_reloc* */
85	__u32		type;
86	__u32		command_size;
87	__u32		relocs_num;
88	__u32                pad;
89};
90
91struct drm_qxl_execbuffer {
92	__u32		flags;		/* for future use */
93	__u32		commands_num;
94	__u64		commands;	/* struct drm_qxl_command* */
95};
96
97struct drm_qxl_update_area {
98	__u32 handle;
99	__u32 top;
100	__u32 left;
101	__u32 bottom;
102	__u32 right;
103	__u32 pad;
104};
105
106#define QXL_PARAM_NUM_SURFACES 1 /* rom->n_surfaces */
107#define QXL_PARAM_MAX_RELOCS 2
108struct drm_qxl_getparam {
109	__u64 param;
110	__u64 value;
111};
112
113/* these are one bit values */
114struct drm_qxl_clientcap {
115	__u32 index;
116	__u32 pad;
117};
118
119struct drm_qxl_alloc_surf {
120	__u32 format;
121	__u32 width;
122	__u32 height;
123	__s32 stride;
124	__u32 handle;
125	__u32 pad;
126};
127
128#define DRM_IOCTL_QXL_ALLOC \
129	DRM_IOWR(DRM_COMMAND_BASE + DRM_QXL_ALLOC, struct drm_qxl_alloc)
130
131#define DRM_IOCTL_QXL_MAP \
132	DRM_IOWR(DRM_COMMAND_BASE + DRM_QXL_MAP, struct drm_qxl_map)
133
134#define DRM_IOCTL_QXL_EXECBUFFER \
135	DRM_IOW(DRM_COMMAND_BASE + DRM_QXL_EXECBUFFER,\
136		struct drm_qxl_execbuffer)
137
138#define DRM_IOCTL_QXL_UPDATE_AREA \
139	DRM_IOW(DRM_COMMAND_BASE + DRM_QXL_UPDATE_AREA,\
140		struct drm_qxl_update_area)
141
142#define DRM_IOCTL_QXL_GETPARAM \
143	DRM_IOWR(DRM_COMMAND_BASE + DRM_QXL_GETPARAM,\
144		struct drm_qxl_getparam)
145
146#define DRM_IOCTL_QXL_CLIENTCAP \
147	DRM_IOW(DRM_COMMAND_BASE + DRM_QXL_CLIENTCAP,\
148		struct drm_qxl_clientcap)
149
150#define DRM_IOCTL_QXL_ALLOC_SURF \
151	DRM_IOWR(DRM_COMMAND_BASE + DRM_QXL_ALLOC_SURF,\
152		struct drm_qxl_alloc_surf)
153
154#if defined(__cplusplus)
155}
156#endif
157
158#endif
159