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// SPDX-License-Identifier: MIT
/*
* Copyright © 2022 Igalia S.L.
*/
#include "igt.h"
#include "igt_v3d.h"
IGT_TEST_DESCRIPTION("Tests for the V3D's Create BO IOCTL");
igt_main
{
int fd;
igt_fixture
fd = drm_open_driver(DRIVER_V3D);
igt_describe("Make sure a BO cannot be created with flags different than zero.");
igt_subtest("create-bo-invalid-flags") {
struct drm_v3d_create_bo create = {
.flags = 0x0a,
};
do_ioctl_err(fd, DRM_IOCTL_V3D_CREATE_BO, &create, EINVAL);
}
igt_describe("Make sure a BO cannot be created with size zero.");
igt_subtest("create-bo-0") {
struct drm_v3d_create_bo create = {
.size = 0,
};
do_ioctl_err(fd, DRM_IOCTL_V3D_CREATE_BO, &create, EINVAL);
}
igt_describe("Sanity check for creating a BO with size 4096.");
igt_subtest("create-bo-4096") {
struct v3d_bo *bo = igt_v3d_create_bo(fd, PAGE_SIZE);
igt_v3d_free_bo(fd, bo);
}
igt_describe("Make sure that BOs can be allocated in different fd without "
"carrying old contents from one another.");
igt_subtest("create-bo-zeroed") {
int fd2 = drm_open_driver(DRIVER_V3D);
struct v3d_bo *bo;
/* A size different from any used in our other tests, to try
* to convince it to land as the only one of its size in the
* kernel BO cache
*/
size_t size = 3 * PAGE_SIZE, i;
/* Make a BO and free it on our main fd. */
bo = igt_v3d_create_bo(fd, size);
bo->map = igt_v3d_mmap_bo(fd, bo->handle, size, PROT_READ | PROT_WRITE);
memset(bo->map, 0xd0, size);
igt_v3d_free_bo(fd, bo);
/* Now, allocate a BO on the other fd and make sure it doesn't
* have the old contents.
*/
bo = igt_v3d_create_bo(fd2, size);
bo->map = igt_v3d_mmap_bo(fd2, bo->handle, size, PROT_READ | PROT_WRITE);
for (i = 0; i < size / 4; i++)
igt_assert_eq_u32(((uint32_t *)bo->map)[i], 0x0);
igt_v3d_free_bo(fd2, bo);
drm_close_driver(fd2);
}
igt_fixture
drm_close_driver(fd);
}
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