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/*
* Copyright © 2016 Intel Corporation
*
* 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 "igt.h"
#include "igt_vgem.h"
#include "igt_debugfs.h"
#include "igt_sysfs.h"
#include <sys/mman.h>
#include <sys/poll.h>
#include <sys/stat.h>
#include <dirent.h>
IGT_TEST_DESCRIPTION("Extended sanity check of Virtual GEM module (vGEM).");
static bool has_prime_export(int fd)
{
uint64_t value;
if (drmGetCap(fd, DRM_CAP_PRIME, &value))
return false;
return value & DRM_PRIME_CAP_EXPORT;
}
static void test_nohang(int fd)
{
struct vgem_bo bo;
uint32_t fence;
struct pollfd pfd;
/* A vGEM fence must expire automatically to prevent driver hangs */
igt_require(has_prime_export(fd));
igt_require(vgem_has_fences(fd));
bo.width = 1;
bo.height = 1;
bo.bpp = 32;
vgem_create(fd, &bo);
pfd.fd = prime_handle_to_fd(fd, bo.handle);
pfd.events = POLLOUT;
fence = vgem_fence_attach(fd, &bo, 0);
igt_assert(poll(&pfd, 1, 0) == 0);
igt_assert(poll(&pfd, 1, 60*1000) == 1);
igt_assert_eq(__vgem_fence_signal(fd, fence), -110);
close(pfd.fd);
gem_close(fd, bo.handle);
}
igt_main
{
int fd = -1;
igt_fixture {
fd = drm_open_driver(DRIVER_VGEM);
}
igt_subtest_f("nohang")
test_nohang(fd);
igt_fixture {
close(fd);
}
}
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