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)
30 extern "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
53 struct drm_qxl_alloc {
54 __u32 size;
55 __u32 handle; /* 0 is an invalid handle */
56 };
57
58 struct 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
73 struct 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
82 struct 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
91 struct drm_qxl_execbuffer {
92 __u32 flags; /* for future use */
93 __u32 commands_num;
94 __u64 commands; /* struct drm_qxl_command* */
95 };
96
97 struct 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
108 struct drm_qxl_getparam {
109 __u64 param;
110 __u64 value;
111 };
112
113 /* these are one bit values */
114 struct drm_qxl_clientcap {
115 __u32 index;
116 __u32 pad;
117 };
118
119 struct 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