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)
 30extern "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
 53struct drm_qxl_alloc {
 54	__u32 size;
 55	__u32 handle; /* 0 is an invalid handle */
 56};
 57
 58struct 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
 73struct 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
 82struct 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
 91struct drm_qxl_execbuffer {
 92	__u32		flags;		/* for future use */
 93	__u32		commands_num;
 94	__u64		commands;	/* struct drm_qxl_command* */
 95};
 96
 97struct 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
108struct drm_qxl_getparam {
109	__u64 param;
110	__u64 value;
111};
112
113/* these are one bit values */
114struct drm_qxl_clientcap {
115	__u32 index;
116	__u32 pad;
117};
118
119struct 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