diff options
author | Eric Anholt <eric@anholt.net> | 2017-08-31 14:59:02 -0700 |
---|---|---|
committer | Eric Anholt <eric@anholt.net> | 2018-11-26 12:41:34 -0800 |
commit | 2388bbd062c17b5912039101efd4603e8d876c88 (patch) | |
tree | 325e921fd3cafcd17d9cf179a9580cb94361cfb5 /lib/igt_v3d.c | |
parent | bca1999348a40abf192869f36d5c25e1ce2f2e6f (diff) |
v3d: Add a helper library
Just a few little ioctl wrappers that v3d tests will use.
v2: Move the struct above the prototypes.
Signed-off-by: Eric Anholt <eric@anholt.net>
Acked-by: Petri Latvala <petri.latvala@intel.com> (v1)
Diffstat (limited to 'lib/igt_v3d.c')
-rw-r--r-- | lib/igt_v3d.c | 130 |
1 files changed, 130 insertions, 0 deletions
diff --git a/lib/igt_v3d.c b/lib/igt_v3d.c new file mode 100644 index 00000000..1a5ede1b --- /dev/null +++ b/lib/igt_v3d.c @@ -0,0 +1,130 @@ +/* + * 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" + +#if NEW_CONTEXT_PARAM_NO_ERROR_CAPTURE_API +#define LOCAL_CONTEXT_PARAM_NO_ERROR_CAPTURE 0x4 +#endif + +/** + * 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); +} |