xref: /openbmc/linux/include/uapi/drm/qxl_drm.h (revision 6545135a)
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
159