gpu: nvgpu: falcon status dump support

- Added support to dump flacon controller status
- Method to print recent PC history to know call trace
- Method to dump IMBLK info
- Updated falcon hw header files to include
registers of PC trace & IMBLK

JIRA NVGPU-105

Change-Id: Id4aaafd87113d47e552afb21b87f8b087d36004e
Signed-off-by: Mahantesh Kumbar <mkumbar@nvidia.com>
Reviewed-on: https://git-master.nvidia.com/r/1515371
Reviewed-by: Automatic_Commit_Validation_User
Reviewed-by: svc-mobile-coverity <svc-mobile-coverity@nvidia.com>
Reviewed-by: svccoveritychecker <svccoveritychecker@nvidia.com>
GVS: Gerrit_Virtual_Submit
Reviewed-by: Vijayakumar Subbu <vsubbu@nvidia.com>

1 files changed, 11 insertions, 0 deletions

diff --git a/drivers/gpu/nvgpu/common/falcon/falcon.c b/drivers/gpu/nvgpu/common/falcon/falcon.c
index 4c879e52..c9ab69fe 100644
--- a/drivers/gpu/nvgpu/common/falcon/falcon.c
+++ b/drivers/gpu/nvgpu/common/falcon/falcon.c
@@ -210,6 +210,17 @@ int nvgpu_flcn_bootstrap(struct nvgpu_falcon *flcn, u32 boot_vector)
         return status;
 }
 
+void nvgpu_flcn_dump_stats(struct nvgpu_falcon *flcn)
+{
+        struct nvgpu_falcon_ops *flcn_ops = &flcn->flcn_ops;
+
+        if (flcn_ops->dump_falcon_stats)
+                flcn_ops->dump_falcon_stats(flcn);
+        else
+                nvgpu_warn(flcn->g, "Invalid op on falcon 0x%x ",
+                        flcn->flcn_id);
+}
+
 void nvgpu_flcn_sw_init(struct gk20a *g, u32 flcn_id)
 {
         struct nvgpu_falcon *flcn = NULL;