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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