After the fence is signaled, the status feed reports whether or not the request completed successfully. We set this to -EIO if a hang was detected.
Signed-off-by: Chris Wilson <[email protected]> --- tests/gem_exec_fence.c | 41 +++++++++++++++++++++++++++++++++++++++++ 1 file changed, 41 insertions(+) diff --git a/tests/gem_exec_fence.c b/tests/gem_exec_fence.c index ea007468..4fe1bcee 100644 --- a/tests/gem_exec_fence.c +++ b/tests/gem_exec_fence.c @@ -91,6 +91,46 @@ static void store(int fd, unsigned ring, int fence, uint32_t target, unsigned of gem_close(fd, obj[BATCH].handle); } +struct local_sync_fence_info { + char obj_name[32]; + char driver_name[32]; + + __s32 status; + __u32 flags; + + __u64 timestamp_ns; +}; + +struct local_sync_file_info { + char name[32]; + + __s32 status; + __u32 flags; + __u32 num_fences; + __u32 pad; + + __u64 sync_fence_info; +}; + +#define UABI_SYNC_IOC_MAGIC '>' +#define LOCAL_SYNC_IOC_FILE_INFO _IOWR(UABI_SYNC_IOC_MAGIC, 4, struct local_sync_file_info) + +#define FENCE_OK 1 + +static int fence_status(int fence) +{ + struct local_sync_fence_info fence_info; + struct local_sync_file_info info = { + .num_fences = 1, + .sync_fence_info = to_user_pointer(&fence_info), + }; + + (void)ioctl(fence, LOCAL_SYNC_IOC_FILE_INFO, &info); + igt_assert(info.num_fences == 1); + + return fence_info.status; +} + static int __gem_execbuf_wr(int fd, struct drm_i915_gem_execbuffer2 *execbuf) { int err = 0; @@ -194,6 +234,7 @@ static void test_fence_busy(int fd, unsigned ring, unsigned flags) } igt_assert(!gem_bo_busy(fd, obj.handle)); + igt_assert_eq(fence_status(fence), flags & HANG ? -EIO : FENCE_OK); close(fence); gem_close(fd, obj.handle); -- 2.11.0 _______________________________________________ Intel-gfx mailing list [email protected] https://lists.freedesktop.org/mailman/listinfo/intel-gfx
