gpu: nvgpu: Add IOCTL for SM_EXCEPTION_TYPE_MASK

Add new ioctl to set the SM_EXCEPTION_TYPE_MASK is
added to dbg session.
Currently support SM_EXCEPTION_TYPE_MASK_FATAL type
If this type is set then the code will skip RC recovery,
instead trigger CILP preemption.

bug  200412641
JIRA NVGPU-702

Change-Id: I4b1f18379ee792cd324ccc555939e0f4f5c9e3b4
Signed-off-by: Vinod G <vinodg@nvidia.com>
Reviewed-on: https://git-master.nvidia.com/r/1729792
Reviewed-by: mobile promotions <svcmobile_promotions@nvidia.com>
Tested-by: mobile promotions <svcmobile_promotions@nvidia.com>

1 files changed, 6 insertions, 0 deletions

diff --git a/drivers/gpu/nvgpu/gk20a/dbg_gpu_gk20a.h b/drivers/gpu/nvgpu/gk20a/dbg_gpu_gk20a.h
index 50002557..4d3c4d74 100644
--- a/drivers/gpu/nvgpu/gk20a/dbg_gpu_gk20a.h
+++ b/drivers/gpu/nvgpu/gk20a/dbg_gpu_gk20a.h
@@ -72,6 +72,12 @@ struct dbg_session_gk20a {
         bool broadcast_stop_trigger;
 
         struct nvgpu_mutex ioctl_lock;
+
+        /*
+         * sm set exception type mask flag, to check whether
+         * exception type mask is requested or not.
+         */
+        bool is_sm_exception_type_mask_set;
 };
 
 struct dbg_session_data {