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/*
* Copyright © 2016 Broadcom
*
* 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 OR COPYRIGHT HOLDERS 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.
*/
#include <assert.h>
#include <string.h>
#include <signal.h>
#include <errno.h>
#include <sys/mman.h>
#include <sys/types.h>
#include <sys/stat.h>
#include <sys/ioctl.h>
#include <fcntl.h>
#include "drmtest.h"
#include "igt_aux.h"
#include "igt_core.h"
#include "igt_v3d.h"
#include "ioctl_wrappers.h"
#include "intel_reg.h"
#include "intel_chipset.h"
#include "v3d_drm.h"
/**
* SECTION:igt_v3d
* @short_description: V3D support library
* @title: V3D
* @include: igt.h
*
* This library provides various auxiliary helper functions for writing V3D
* tests.
*/
struct v3d_bo *
igt_v3d_create_bo(int fd, size_t size)
{
struct v3d_bo *bo = calloc(1, sizeof(*bo));
struct drm_v3d_create_bo create = {
.size = size,
};
do_ioctl(fd, DRM_IOCTL_V3D_CREATE_BO, &create);
bo->handle = create.handle;
bo->offset = create.offset;
bo->size = size;
return bo;
}
void
igt_v3d_free_bo(int fd, struct v3d_bo *bo)
{
if (bo->map)
munmap(bo->map, bo->size);
gem_close(fd, bo->handle);
free(bo);
}
uint32_t
igt_v3d_get_bo_offset(int fd, uint32_t handle)
{
struct drm_v3d_get_bo_offset get = {
.handle = handle,
};
do_ioctl(fd, DRM_IOCTL_V3D_GET_BO_OFFSET, &get);
return get.offset;
}
uint32_t
igt_v3d_get_param(int fd, enum drm_v3d_param param)
{
struct drm_v3d_get_param get = {
.param = param,
};
do_ioctl(fd, DRM_IOCTL_V3D_GET_PARAM, &get);
return get.value;
}
void *
igt_v3d_mmap_bo(int fd, uint32_t handle, uint32_t size, unsigned prot)
{
struct drm_v3d_mmap_bo mmap_bo = {
.handle = handle,
};
void *ptr;
do_ioctl(fd, DRM_IOCTL_V3D_MMAP_BO, &mmap_bo);
ptr = mmap(0, size, prot, MAP_SHARED, fd, mmap_bo.offset);
if (ptr == MAP_FAILED)
return NULL;
else
return ptr;
}
void igt_v3d_bo_mmap(int fd, struct v3d_bo *bo)
{
bo->map = igt_v3d_mmap_bo(fd, bo->handle, bo->size,
PROT_READ | PROT_WRITE);
igt_assert(bo->map);
}
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