gpu: nvgpu: Add query nvgpu_thread_is_running

Add query nvgpu_thread_is_running(). It returns true if thread has
already been started.

JIRA NVGPU-14

Change-Id: If3bed6f9ffe181703134ae1b92b0b275db364195
Signed-off-by: Terje Bergstrom <tbergstrom@nvidia.com>
Reviewed-on: http://git-master/r/1480257
Reviewed-by: Automatic_Commit_Validation_User
Reviewed-by: svccoveritychecker <svccoveritychecker@nvidia.com>
Reviewed-by: Alex Waterman <alexw@nvidia.com>
Reviewed-by: Konsta Holtta <kholtta@nvidia.com>
GVS: Gerrit_Virtual_Submit

1 files changed, 9 insertions, 0 deletions

diff --git a/drivers/gpu/nvgpu/include/nvgpu/thread.h b/drivers/gpu/nvgpu/include/nvgpu/thread.h
index 81dac7ca..1e946119 100644
--- a/drivers/gpu/nvgpu/include/nvgpu/thread.h
+++ b/drivers/gpu/nvgpu/include/nvgpu/thread.h
@@ -59,4 +59,13 @@ void nvgpu_thread_stop(struct nvgpu_thread *thread);
  */
 bool nvgpu_thread_should_stop(struct nvgpu_thread *thread);
 
+/**
+ * nvgpu_thread_is_running - Query if thread is running
+ *
+ * @thread
+ *
+ * Return true if thread is started.
+ */
+bool nvgpu_thread_is_running(struct nvgpu_thread *thread);
+
 #endif /* __NVGPU_THREAD_H__ */