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 <stddef.h>
28 #include "drm.h"
29 
30 #if defined(__cplusplus)
31 extern "C" {
32 #endif
33 
34 /* Please note that modifications to all structs defined here are
35  * subject to backwards-compatibility constraints.
36  *
37  * Do not use pointers, use __u64 instead for 32 bit / 64 bit user/kernel
38  * compatibility Keep fields aligned to their size
39  */
40 
41 #define QXL_GEM_DOMAIN_CPU 0
42 #define QXL_GEM_DOMAIN_VRAM 1
43 #define QXL_GEM_DOMAIN_SURFACE 2
44 
45 #define DRM_QXL_ALLOC       0x00
46 #define DRM_QXL_MAP         0x01
47 #define DRM_QXL_EXECBUFFER  0x02
48 #define DRM_QXL_UPDATE_AREA 0x03
49 #define DRM_QXL_GETPARAM    0x04
50 #define DRM_QXL_CLIENTCAP   0x05
51 
52 #define DRM_QXL_ALLOC_SURF  0x06
53 
54 struct drm_qxl_alloc {
55 	__u32 size;
56 	__u32 handle; /* 0 is an invalid handle */
57 };
58 
59 struct drm_qxl_map {
60 	__u64 offset; /* use for mmap system call */
61 	__u32 handle;
62 	__u32 pad;
63 };
64 
65 /*
66  * dest is the bo we are writing the relocation into
67  * src is bo we are relocating.
68  * *(dest_handle.base_addr + dest_offset) = physical_address(src_handle.addr +
69  * src_offset)
70  */
71 #define QXL_RELOC_TYPE_BO 1
72 #define QXL_RELOC_TYPE_SURF 2
73 
74 struct drm_qxl_reloc {
75 	__u64 src_offset; /* offset into src_handle or src buffer */
76 	__u64 dst_offset; /* offset in dest handle */
77 	__u32 src_handle; /* dest handle to compute address from */
78 	__u32 dst_handle; /* 0 if to command buffer */
79 	__u32 reloc_type;
80 	__u32 pad;
81 };
82 
83 struct drm_qxl_command {
84 	__u64		command; /* void* */
85 	__u64		relocs; /* struct drm_qxl_reloc* */
86 	__u32		type;
87 	__u32		command_size;
88 	__u32		relocs_num;
89 	__u32                pad;
90 };
91 
92 /* XXX: call it drm_qxl_commands? */
93 struct drm_qxl_execbuffer {
94 	__u32		flags;		/* for future use */
95 	__u32		commands_num;
96 	__u64		commands;	/* struct drm_qxl_command* */
97 };
98 
99 struct drm_qxl_update_area {
100 	__u32 handle;
101 	__u32 top;
102 	__u32 left;
103 	__u32 bottom;
104 	__u32 right;
105 	__u32 pad;
106 };
107 
108 #define QXL_PARAM_NUM_SURFACES 1 /* rom->n_surfaces */
109 #define QXL_PARAM_MAX_RELOCS 2
110 struct drm_qxl_getparam {
111 	__u64 param;
112 	__u64 value;
113 };
114 
115 /* these are one bit values */
116 struct drm_qxl_clientcap {
117 	__u32 index;
118 	__u32 pad;
119 };
120 
121 struct drm_qxl_alloc_surf {
122 	__u32 format;
123 	__u32 width;
124 	__u32 height;
125 	__s32 stride;
126 	__u32 handle;
127 	__u32 pad;
128 };
129 
130 #define DRM_IOCTL_QXL_ALLOC \
131 	DRM_IOWR(DRM_COMMAND_BASE + DRM_QXL_ALLOC, struct drm_qxl_alloc)
132 
133 #define DRM_IOCTL_QXL_MAP \
134 	DRM_IOWR(DRM_COMMAND_BASE + DRM_QXL_MAP, struct drm_qxl_map)
135 
136 #define DRM_IOCTL_QXL_EXECBUFFER \
137 	DRM_IOW(DRM_COMMAND_BASE + DRM_QXL_EXECBUFFER,\
138 		struct drm_qxl_execbuffer)
139 
140 #define DRM_IOCTL_QXL_UPDATE_AREA \
141 	DRM_IOW(DRM_COMMAND_BASE + DRM_QXL_UPDATE_AREA,\
142 		struct drm_qxl_update_area)
143 
144 #define DRM_IOCTL_QXL_GETPARAM \
145 	DRM_IOWR(DRM_COMMAND_BASE + DRM_QXL_GETPARAM,\
146 		struct drm_qxl_getparam)
147 
148 #define DRM_IOCTL_QXL_CLIENTCAP \
149 	DRM_IOW(DRM_COMMAND_BASE + DRM_QXL_CLIENTCAP,\
150 		struct drm_qxl_clientcap)
151 
152 #define DRM_IOCTL_QXL_ALLOC_SURF \
153 	DRM_IOWR(DRM_COMMAND_BASE + DRM_QXL_ALLOC_SURF,\
154 		struct drm_qxl_alloc_surf)
155 
156 #if defined(__cplusplus)
157 }
158 #endif
159 
160 #endif
161