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tests/prime: test dma-buf llseek support

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This exercises a proposed patch from Christopher James Halse Rogers.

Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
This commit is contained in:
Daniel Vetter 2013-08-15 14:00:23 +02:00
parent 79abed393f
commit e58891d0ae
3 changed files with 69 additions and 0 deletions
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10
lib/drmtest.c
View File

@ -609,6 +609,16 @@ uint32_t prime_fd_to_handle(int fd, int dma_buf_fd)
return args.handle;
}
off_t prime_get_size(int dma_buf_fd)
{
off_t ret;
ret = lseek(dma_buf_fd, 0, SEEK_END);
igt_assert(ret >= 0 || errno == ESPIPE);
igt_require(ret >= 0);
return ret;
}
/* signal interrupt helpers */
static pid_t signal_helper = -1;
long long int sig_stat;

1
lib/drmtest.h
View File

@ -85,6 +85,7 @@ int gem_available_fences(int fd);
/* prime */
int prime_handle_to_fd(int fd, uint32_t handle);
uint32_t prime_fd_to_handle(int fd, int dma_buf_fd);
off_t prime_get_size(int dma_buf_fd);
/* generally useful helpers */
void igt_fork_signal_helper(void);

58
tests/prime_self_import.c
View File

@ -365,6 +365,62 @@ static void test_export_close_race(void)
igt_assert(obj_count == 0);
}
static void test_llseek_size(void)
{
int fd, i;
uint32_t handle;
int dma_buf_fd;
counter = 0;
fd = drm_open_any();
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);
}
static void test_llseek_bad(void)
{
int fd;
uint32_t handle;
int dma_buf_fd;
counter = 0;
fd = drm_open_any();
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);
}
int main(int argc, char **argv)
{
struct {
@ -377,6 +433,8 @@ int main(int argc, char **argv)
{ "with_fd_dup", test_with_fd_dup },
{ "export-vs-gem_close-race", test_export_close_race },
{ "reimport-vs-gem_close-race", test_reimport_close_race },
{ "llseek-size", test_llseek_size },
{ "llseek-bad", test_llseek_bad },
};
int i;