| /* |
| * 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); |
| } |