gpu: nvgpu: Introduce priv ring HAL and define ISR

Introduce a priv ring HAL and define ISR as the only function in it.
Introduce a gp10b version of the ISR that writes error message to
UART for every priv ring error, and leave the old chips with silent
error handling.

Bug 1846641

Change-Id: I73e38396205ac7bb7b8488b7fbca3ff67a3db3bb
Signed-off-by: Terje Bergstrom <tbergstrom@nvidia.com>
Reviewed-on: http://git-master/r/1473696
Reviewed-by: mobile promotions <svcmobile_promotions@nvidia.com>
Tested-by: mobile promotions <svcmobile_promotions@nvidia.com>

1 files changed, 22 insertions, 0 deletions

diff --git a/drivers/gpu/nvgpu/gp10b/priv_ring_gp10b.h b/drivers/gpu/nvgpu/gp10b/priv_ring_gp10b.h
new file mode 100644
index 00000000..acd0857f
--- /dev/null
+++ b/drivers/gpu/nvgpu/gp10b/priv_ring_gp10b.h
@@ -0,0 +1,22 @@
+/*
+ * GP10B PRIV ringmaster
+ *
+ * Copyright (c) 2011-2017, NVIDIA CORPORATION.  All rights reserved.
+ *
+ * This program is free software; you can redistribute it and/or modify it
+ * under the terms and conditions of the GNU General Public License,
+ * version 2, as published by the Free Software Foundation.
+ *
+ * This program is distributed in the hope it will be useful, but WITHOUT
+ * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
+ * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License for
+ * more details.
+ */
+#ifndef __PRIV_RING_GP10B_H__
+#define __PRIV_RING_GP10B_H__
+
+struct gpu_ops;
+
+void gp10b_init_priv_ring(struct gpu_ops *gops);
+
+#endif /*__PRIV_RING_GP10B_H__*/