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/*
* Copyright 2013 Red Hat
* All Rights Reserved.
*
* Permission is hereby granted, free of charge, to any person obtaining a
* copy of this software and associated documentation files (the "Software"),
* to deal in the Software without restriction, including without limitation
* the rights to use, copy, modify, merge, publish, distribute, sublicense,
* and/or sell copies of the Software, and to permit persons to whom the
* Software is furnished to do so, subject to the following conditions:
*
* The above copyright notice and this permission notice (including the next
* paragraph) shall be included in all copies or substantial portions of the
* Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
* THE AUTHORS AND/OR ITS SUPPLIERS BE LIABLE FOR ANY CLAIM, DAMAGES OR
* OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
* ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
* OTHER DEALINGS IN THE SOFTWARE.
*/
#ifndef QXL_DRM_H
#define QXL_DRM_H
#include <stddef.h>
#include "drm/drm.h"
/* Please note that modifications to all structs defined here are
* subject to backwards-compatibility constraints.
*
* Do not use pointers, use uint64_t instead for 32 bit / 64 bit user/kernel
* compatibility Keep fields aligned to their size
*/
#define QXL_GEM_DOMAIN_CPU 0
#define QXL_GEM_DOMAIN_VRAM 1
#define QXL_GEM_DOMAIN_SURFACE 2
#define DRM_QXL_ALLOC 0x00
#define DRM_QXL_MAP 0x01
#define DRM_QXL_EXECBUFFER 0x02
#define DRM_QXL_UPDATE_AREA 0x03
#define DRM_QXL_GETPARAM 0x04
#define DRM_QXL_CLIENTCAP 0x05
#define DRM_QXL_ALLOC_SURF 0x06
struct drm_qxl_alloc {
uint32_t size;
uint32_t handle; /* 0 is an invalid handle */
};
struct drm_qxl_map {
uint64_t offset; /* use for mmap system call */
uint32_t handle;
uint32_t pad;
};
/*
* dest is the bo we are writing the relocation into
* src is bo we are relocating.
* *(dest_handle.base_addr + dest_offset) = physical_address(src_handle.addr +
* src_offset)
*/
#define QXL_RELOC_TYPE_BO 1
#define QXL_RELOC_TYPE_SURF 2
struct drm_qxl_reloc {
uint64_t src_offset; /* offset into src_handle or src buffer */
uint64_t dst_offset; /* offset in dest handle */
uint32_t src_handle; /* dest handle to compute address from */
uint32_t dst_handle; /* 0 if to command buffer */
uint32_t reloc_type;
uint32_t pad;
};
struct drm_qxl_command {
uint64_t command; /* void* */
uint64_t relocs; /* struct drm_qxl_reloc* */
uint32_t type;
uint32_t command_size;
uint32_t relocs_num;
uint32_t pad;
};
/* XXX: call it drm_qxl_commands? */
struct drm_qxl_execbuffer {
uint32_t flags; /* for future use */
uint32_t commands_num;
uint64_t commands; /* struct drm_qxl_command* */
};
struct drm_qxl_update_area {
uint32_t handle;
uint32_t top;
uint32_t left;
uint32_t bottom;
uint32_t right;
uint32_t pad;
};
#define QXL_PARAM_NUM_SURFACES 1 /* rom->n_surfaces */
#define QXL_PARAM_MAX_RELOCS 2
struct drm_qxl_getparam {
uint64_t param;
uint64_t value;
};
/* these are one bit values */
struct drm_qxl_clientcap {
uint32_t index;
uint32_t pad;
};
struct drm_qxl_alloc_surf {
uint32_t format;
uint32_t width;
uint32_t height;
int32_t stride;
uint32_t handle;
uint32_t pad;
};
#define DRM_IOCTL_QXL_ALLOC \
DRM_IOWR(DRM_COMMAND_BASE + DRM_QXL_ALLOC, struct drm_qxl_alloc)
#define DRM_IOCTL_QXL_MAP \
DRM_IOWR(DRM_COMMAND_BASE + DRM_QXL_MAP, struct drm_qxl_map)
#define DRM_IOCTL_QXL_EXECBUFFER \
DRM_IOW(DRM_COMMAND_BASE + DRM_QXL_EXECBUFFER,\
struct drm_qxl_execbuffer)
#define DRM_IOCTL_QXL_UPDATE_AREA \
DRM_IOW(DRM_COMMAND_BASE + DRM_QXL_UPDATE_AREA,\
struct drm_qxl_update_area)
#define DRM_IOCTL_QXL_GETPARAM \
DRM_IOWR(DRM_COMMAND_BASE + DRM_QXL_GETPARAM,\
struct drm_qxl_getparam)
#define DRM_IOCTL_QXL_CLIENTCAP \
DRM_IOW(DRM_COMMAND_BASE + DRM_QXL_CLIENTCAP,\
struct drm_qxl_clientcap)
#define DRM_IOCTL_QXL_ALLOC_SURF \
DRM_IOWR(DRM_COMMAND_BASE + DRM_QXL_ALLOC_SURF,\
struct drm_qxl_alloc_surf)
#endif
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