static uint32_t
create_userptr(int fd, uint32_t val, uint32_t *ptr)
{
uint32_t handle;
int i;
gem_userptr(fd, ptr, sizeof(linear), 0, userptr_flags, &handle);
igt_assert(handle != 0);
/* Fill the BO with dwords starting at val */
for (i = 0; i < WIDTH*HEIGHT; i++)
ptr[i] = val++;
return handle;
}
static uint32_t create_userptr_bo(int fd, uint64_t size)
{
void *ptr;
uint32_t handle;
ptr = mmap(NULL, size,
PROT_READ | PROT_WRITE,
MAP_ANONYMOUS | MAP_SHARED,
-1, 0);
igt_assert(ptr != MAP_FAILED);
gem_userptr(fd, (uint32_t *)ptr, size, 0, userptr_flags, &handle);
add_handle_ptr(handle, ptr, size);
return handle;
}
static int has_userptr(int fd)
{
uint32_t handle = 0;
void *ptr;
uint32_t oldflags;
int ret;
igt_assert(posix_memalign(&ptr, PAGE_SIZE, PAGE_SIZE) == 0);
oldflags = userptr_flags;
gem_userptr_test_unsynchronized();
ret = gem_userptr(fd, ptr, PAGE_SIZE, 0, &handle);
userptr_flags = oldflags;
if (ret != 0) {
free(ptr);
return 0;
}
gem_close(fd, handle);
free(ptr);
return handle != 0;
}
static int test_access_control(int fd)
{
igt_fork(child, 1) {
void *ptr;
int ret;
uint32_t handle;
igt_drop_root();
/* CAP_SYS_ADMIN is needed for UNSYNCHRONIZED mappings. */
gem_userptr_test_unsynchronized();
igt_assert(posix_memalign(&ptr, PAGE_SIZE, PAGE_SIZE) == 0);
ret = gem_userptr(fd, ptr, PAGE_SIZE, 0, &handle);
if (ret == 0)
gem_close(fd, handle);
free(ptr);
igt_assert(ret == EPERM);
}
igt_waitchildren();
return 0;
}
static int test_invalid_null_pointer(int fd)
{
uint32_t handle;
int ret;
