Home | History | Annotate | Download | only in drm 
      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	 __user command; /* void* */
     84 	__u64	 __user 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	 __user 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