Add igt_require_sw_sync to provide tests to skip if sw_sync support isn't
available on the host machine.
Signed-off-by: Robert Foss <robert.foss@xxxxxxxxxxxxx>
Reviewed-by: Tomeu Vizoso <tomeu.vizoso@xxxxxxxxxxxxx>
---
lib/sw_sync.c | 14 ++++++++++++++
lib/sw_sync.h | 1 +
2 files changed, 15 insertions(+)
diff --git a/lib/sw_sync.c b/lib/sw_sync.c
index aa8feefe..276dc795 100644
--- a/lib/sw_sync.c
+++ b/lib/sw_sync.c
@@ -212,3 +212,17 @@ int sync_fence_count_status(int fd, int status)
return count;
}
+
+static bool kernel_has_sw_sync(void)
+{
+ char buf[128];
+
+ igt_ignore_warn(system("/sbin/modprobe -s r sw_sync"));
+
+ return kernel_sw_sync_path(buf, sizeof(buf));
+}
+
+void igt_require_sw_sync(void)
+{
+ igt_require(kernel_has_sw_sync());
+}
diff --git a/lib/sw_sync.h b/lib/sw_sync.h
index cea5a603..82af3378 100644
--- a/lib/sw_sync.h
+++ b/lib/sw_sync.h
@@ -39,6 +39,7 @@ int sync_merge(int fd1, int fd2);
int sync_wait(int fence, int timeout);
int sync_fence_count(int fd);
int sync_fence_count_status(int fd, int status);
+void igt_require_sw_sync(void);
#endif
--
2.11.0
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