1 /* $NetBSD: qxl_drm.h,v 1.2 2021/12/18 23:45:46 riastradh Exp $ */ 2 3 /* 4 * Copyright 2013 Red Hat 5 * All Rights Reserved. 6 * 7 * Permission is hereby granted, free of charge, to any person obtaining a 8 * copy of this software and associated documentation files (the "Software"), 9 * to deal in the Software without restriction, including without limitation 10 * the rights to use, copy, modify, merge, publish, distribute, sublicense, 11 * and/or sell copies of the Software, and to permit persons to whom the 12 * Software is furnished to do so, subject to the following conditions: 13 * 14 * The above copyright notice and this permission notice (including the next 15 * paragraph) shall be included in all copies or substantial portions of the 16 * Software. 17 * 18 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR 19 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, 20 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL 21 * THE AUTHORS AND/OR ITS SUPPLIERS BE LIABLE FOR ANY CLAIM, DAMAGES OR 22 * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, 23 * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR 24 * OTHER DEALINGS IN THE SOFTWARE. 25 */ 26 #ifndef QXL_DRM_H 27 #define QXL_DRM_H 28 29 #include "drm.h" 30 31 #if defined(__cplusplus) 32 extern "C" { 33 #endif 34 35 /* Please note that modifications to all structs defined here are 36 * subject to backwards-compatibility constraints. 37 * 38 * Do not use pointers, use __u64 instead for 32 bit / 64 bit user/kernel 39 * compatibility Keep fields aligned to their size 40 */ 41 42 #define QXL_GEM_DOMAIN_CPU 0 43 #define QXL_GEM_DOMAIN_VRAM 1 44 #define QXL_GEM_DOMAIN_SURFACE 2 45 46 #define DRM_QXL_ALLOC 0x00 47 #define DRM_QXL_MAP 0x01 48 #define DRM_QXL_EXECBUFFER 0x02 49 #define DRM_QXL_UPDATE_AREA 0x03 50 #define DRM_QXL_GETPARAM 0x04 51 #define DRM_QXL_CLIENTCAP 0x05 52 53 #define DRM_QXL_ALLOC_SURF 0x06 54 55 struct drm_qxl_alloc { 56 __u32 size; 57 __u32 handle; /* 0 is an invalid handle */ 58 }; 59 60 struct drm_qxl_map { 61 __u64 offset; /* use for mmap system call */ 62 __u32 handle; 63 __u32 pad; 64 }; 65 66 /* 67 * dest is the bo we are writing the relocation into 68 * src is bo we are relocating. 69 * *(dest_handle.base_addr + dest_offset) = physical_address(src_handle.addr + 70 * src_offset) 71 */ 72 #define QXL_RELOC_TYPE_BO 1 73 #define QXL_RELOC_TYPE_SURF 2 74 75 struct drm_qxl_reloc { 76 __u64 src_offset; /* offset into src_handle or src buffer */ 77 __u64 dst_offset; /* offset in dest handle */ 78 __u32 src_handle; /* dest handle to compute address from */ 79 __u32 dst_handle; /* 0 if to command buffer */ 80 __u32 reloc_type; 81 __u32 pad; 82 }; 83 84 struct drm_qxl_command { 85 __u64 command; /* void* */ 86 __u64 relocs; /* struct drm_qxl_reloc* */ 87 __u32 type; 88 __u32 command_size; 89 __u32 relocs_num; 90 __u32 pad; 91 }; 92 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