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