static void test_with_one_bo_two_files(void)
{
int fd1, fd2;
uint32_t handle_import, handle_open, handle_orig, flink_name;
int dma_buf_fd1, dma_buf_fd2;
fd1 = drm_open_driver(DRIVER_INTEL);
fd2 = drm_open_driver(DRIVER_INTEL);
handle_orig = gem_create(fd1, BO_SIZE);
dma_buf_fd1 = prime_handle_to_fd(fd1, handle_orig);
flink_name = gem_flink(fd1, handle_orig);
handle_open = gem_open(fd2, flink_name);
dma_buf_fd2 = prime_handle_to_fd(fd2, handle_open);
handle_import = prime_fd_to_handle(fd2, dma_buf_fd2);
/* dma-buf selfimporting an flink bo should give the same handle */
igt_assert_eq_u32(handle_import, handle_open);
close(fd1);
close(fd2);
close(dma_buf_fd1);
close(dma_buf_fd2);
}
static void test_with_two_bos(void)
{
int fd1, fd2;
uint32_t handle1, handle2, handle_import;
int dma_buf_fd;
counter = 0;
fd1 = drm_open_driver(DRIVER_INTEL);
fd2 = drm_open_driver(DRIVER_INTEL);
handle1 = gem_create(fd1, BO_SIZE);
handle2 = gem_create(fd1, BO_SIZE);
dma_buf_fd = prime_handle_to_fd(fd1, handle1);
handle_import = prime_fd_to_handle(fd2, dma_buf_fd);
close(dma_buf_fd);
gem_close(fd1, handle1);
dma_buf_fd = prime_handle_to_fd(fd1, handle2);
handle_import = prime_fd_to_handle(fd2, dma_buf_fd);
check_bo(fd1, handle2, fd2, handle_import);
gem_close(fd1, handle2);
close(dma_buf_fd);
check_bo(fd2, handle_import, fd2, handle_import);
close(fd1);
close(fd2);
}
static void test_llseek_bad(void)
{
int fd;
uint32_t handle;
int dma_buf_fd;
counter = 0;
fd = drm_open_driver(DRIVER_INTEL);
handle = gem_create(fd, BO_SIZE);
dma_buf_fd = prime_handle_to_fd(fd, handle);
gem_close(fd, handle);
igt_require(lseek(dma_buf_fd, 0, SEEK_END) >= 0);
igt_assert(lseek(dma_buf_fd, -1, SEEK_END) == -1 && errno == EINVAL);
igt_assert(lseek(dma_buf_fd, 1, SEEK_SET) == -1 && errno == EINVAL);
igt_assert(lseek(dma_buf_fd, BO_SIZE, SEEK_SET) == -1 && errno == EINVAL);
igt_assert(lseek(dma_buf_fd, BO_SIZE + 1, SEEK_SET) == -1 && errno == EINVAL);
igt_assert(lseek(dma_buf_fd, BO_SIZE - 1, SEEK_SET) == -1 && errno == EINVAL);
close(dma_buf_fd);
close(fd);
}
static void test_llseek_size(void)
{
int fd, i;
uint32_t handle;
int dma_buf_fd;
counter = 0;
fd = drm_open_driver(DRIVER_INTEL);
for (i = 0; i < 10; i++) {
int bufsz = 4096 << i;
handle = gem_create(fd, bufsz);
dma_buf_fd = prime_handle_to_fd(fd, handle);
gem_close(fd, handle);
igt_assert(prime_get_size(dma_buf_fd) == bufsz);
close(dma_buf_fd);
}
close(fd);
}
int main(int argc, char **argv)
{
int fd1, fd2;
uint32_t handle, handle_import1, handle_import2, handle_selfimport;
int dma_buf_fd;
fd1 = drm_open_any();
fd2 = drm_open_any();
handle = gem_create(fd1, BO_SIZE);
dma_buf_fd = prime_handle_to_fd(fd1, handle);
handle_import1 = prime_fd_to_handle(fd2, dma_buf_fd);
check_bo(fd1, handle, fd2, handle_import1);
/* reimport should give us the same handle so that userspace can check
* whether it has that bo already somewhere. */
handle_import2 = prime_fd_to_handle(fd2, dma_buf_fd);
assert(handle_import1 == handle_import2);
/* Same for re-importing on the exporting fd. */
handle_selfimport = prime_fd_to_handle(fd1, dma_buf_fd);
assert(handle == handle_selfimport);
/* close dma_buf, check whether nothing disappears. */
close(dma_buf_fd);
check_bo(fd1, handle, fd2, handle_import1);
gem_close(fd1, handle);
check_bo(fd2, handle_import1, fd2, handle_import1);
/* re-import into old exporter */
dma_buf_fd = prime_handle_to_fd(fd2, handle_import1);
/* but drop all references to the obj in between */
gem_close(fd2, handle_import1);
handle = prime_fd_to_handle(fd1, dma_buf_fd);
handle_import1 = prime_fd_to_handle(fd2, dma_buf_fd);
check_bo(fd1, handle, fd2, handle_import1);
/* Completely rip out exporting fd. */
close(fd1);
check_bo(fd2, handle_import1, fd2, handle_import1);
return 0;
}
static void test_with_one_bo(void)
{
int fd1, fd2;
uint32_t handle, handle_import1, handle_import2, handle_selfimport;
int dma_buf_fd;
fd1 = drm_open_driver(DRIVER_INTEL);
fd2 = drm_open_driver(DRIVER_INTEL);
handle = gem_create(fd1, BO_SIZE);
dma_buf_fd = prime_handle_to_fd(fd1, handle);
handle_import1 = prime_fd_to_handle(fd2, dma_buf_fd);
check_bo(fd1, handle, fd2, handle_import1);
/* reimport should give us the same handle so that userspace can check
* whether it has that bo already somewhere. */
handle_import2 = prime_fd_to_handle(fd2, dma_buf_fd);
igt_assert_eq_u32(handle_import1, handle_import2);
/* Same for re-importing on the exporting fd. */
handle_selfimport = prime_fd_to_handle(fd1, dma_buf_fd);
igt_assert_eq_u32(handle, handle_selfimport);
/* close dma_buf, check whether nothing disappears. */
close(dma_buf_fd);
check_bo(fd1, handle, fd2, handle_import1);
gem_close(fd1, handle);
check_bo(fd2, handle_import1, fd2, handle_import1);
/* re-import into old exporter */
dma_buf_fd = prime_handle_to_fd(fd2, handle_import1);
/* but drop all references to the obj in between */
gem_close(fd2, handle_import1);
handle = prime_fd_to_handle(fd1, dma_buf_fd);
handle_import1 = prime_fd_to_handle(fd2, dma_buf_fd);
check_bo(fd1, handle, fd2, handle_import1);
/* Completely rip out exporting fd. */
close(fd1);
check_bo(fd2, handle_import1, fd2, handle_import1);
}
static void test_reimport_close_race(void)
{
pthread_t *threads;
int r, i, num_threads;
int fds[2];
int obj_count;
void *status;
uint32_t handle;
int fake;
/* Allocate exit handler fds in here so that we dont screw
* up the counts */
fake = drm_open_driver(DRIVER_INTEL);
gem_quiescent_gpu(fake);
obj_count = get_object_count();
num_threads = sysconf(_SC_NPROCESSORS_ONLN);
threads = calloc(num_threads, sizeof(pthread_t));
fds[0] = drm_open_driver(DRIVER_INTEL);
handle = gem_create(fds[0], BO_SIZE);
fds[1] = prime_handle_to_fd(fds[0], handle);
for (i = 0; i < num_threads; i++) {
r = pthread_create(&threads[i], NULL,
thread_fn_reimport_vs_close,
(void *)(uintptr_t)fds);
igt_assert_eq(r, 0);
}
sleep(5);
pls_die = 1;
for (i = 0; i < num_threads; i++) {
pthread_join(threads[i], &status);
igt_assert(status == 0);
}
close(fds[0]);
close(fds[1]);
gem_quiescent_gpu(fake);
obj_count = get_object_count() - obj_count;
igt_info("leaked %i objects\n", obj_count);
close(fake);
igt_assert_eq(obj_count, 0);
}
