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127 lines
2.9 KiB
127 lines
2.9 KiB
4 months ago
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/*
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* Copyright © 2016 Broadcom
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*
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* Permission is hereby granted, free of charge, to any person obtaining a
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* copy of this software and associated documentation files (the "Software"),
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* to deal in the Software without restriction, including without limitation
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* the rights to use, copy, modify, merge, publish, distribute, sublicense,
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* and/or sell copies of the Software, and to permit persons to whom the
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* Software is furnished to do so, subject to the following conditions:
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*
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* The above copyright notice and this permission notice (including the next
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* paragraph) shall be included in all copies or substantial portions of the
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* Software.
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*
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* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
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* THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
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* FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS
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* IN THE SOFTWARE.
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*/
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#include <assert.h>
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#include <string.h>
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#include <signal.h>
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#include <errno.h>
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#include <sys/mman.h>
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#include <sys/types.h>
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#include <sys/stat.h>
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#include <sys/ioctl.h>
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#include <fcntl.h>
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#include "drmtest.h"
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#include "igt_aux.h"
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#include "igt_core.h"
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#include "igt_v3d.h"
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#include "ioctl_wrappers.h"
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#include "intel_reg.h"
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#include "intel_chipset.h"
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#include "v3d_drm.h"
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/**
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* SECTION:igt_v3d
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* @short_description: V3D support library
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* @title: V3D
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* @include: igt.h
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*
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* This library provides various auxiliary helper functions for writing V3D
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* tests.
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*/
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struct v3d_bo *
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igt_v3d_create_bo(int fd, size_t size)
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{
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struct v3d_bo *bo = calloc(1, sizeof(*bo));
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struct drm_v3d_create_bo create = {
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.size = size,
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};
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do_ioctl(fd, DRM_IOCTL_V3D_CREATE_BO, &create);
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bo->handle = create.handle;
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bo->offset = create.offset;
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bo->size = size;
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return bo;
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}
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void
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igt_v3d_free_bo(int fd, struct v3d_bo *bo)
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{
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if (bo->map)
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munmap(bo->map, bo->size);
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gem_close(fd, bo->handle);
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free(bo);
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}
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uint32_t
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igt_v3d_get_bo_offset(int fd, uint32_t handle)
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{
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struct drm_v3d_get_bo_offset get = {
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.handle = handle,
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};
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do_ioctl(fd, DRM_IOCTL_V3D_GET_BO_OFFSET, &get);
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return get.offset;
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}
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uint32_t
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igt_v3d_get_param(int fd, enum drm_v3d_param param)
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{
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struct drm_v3d_get_param get = {
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.param = param,
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};
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do_ioctl(fd, DRM_IOCTL_V3D_GET_PARAM, &get);
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return get.value;
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}
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void *
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igt_v3d_mmap_bo(int fd, uint32_t handle, uint32_t size, unsigned prot)
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{
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struct drm_v3d_mmap_bo mmap_bo = {
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.handle = handle,
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};
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void *ptr;
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do_ioctl(fd, DRM_IOCTL_V3D_MMAP_BO, &mmap_bo);
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ptr = mmap(0, size, prot, MAP_SHARED, fd, mmap_bo.offset);
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if (ptr == MAP_FAILED)
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return NULL;
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else
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return ptr;
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}
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void igt_v3d_bo_mmap(int fd, struct v3d_bo *bo)
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{
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bo->map = igt_v3d_mmap_bo(fd, bo->handle, bo->size,
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PROT_READ | PROT_WRITE);
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igt_assert(bo->map);
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}
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