gpu: nvgpu: vgpu: support additional notifications

Client notification support is now added for the following:
- stalling and non-stalling GR sema release
- non-stalling FIFO channel intr
- non-stalling CE2 nonblockpipe intr

Bug 200097077

Change-Id: Icd3c076d7880e1c9ef1fcc0fc58eed9f23f39277
Signed-off-by: Aingara Paramakuru <aparamakuru@nvidia.com>
Reviewed-on: http://git-master/r/736064
(cherry picked from commit 0585d1f14d5a5ae1ccde8ccb7b7daa5593b3d1bc)
Reviewed-on: http://git-master/r/759824
Reviewed-by: Automatic_Commit_Validation_User
Reviewed-by: Terje Bergstrom <tbergstrom@nvidia.com>

1 files changed, 33 insertions, 0 deletions

diff --git a/drivers/gpu/nvgpu/vgpu/ce2_vgpu.c b/drivers/gpu/nvgpu/vgpu/ce2_vgpu.c
new file mode 100644
index 00000000..631461f9
--- /dev/null
+++ b/drivers/gpu/nvgpu/vgpu/ce2_vgpu.c
@@ -0,0 +1,33 @@
+/*
+ * Virtualized GPU CE2
+ *
+ * Copyright (c) 2015, 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.
+ */
+
+#include "vgpu/vgpu.h"
+
+int vgpu_ce2_nonstall_isr(struct gk20a *g,
+                        struct tegra_vgpu_ce2_nonstall_intr_info *info)
+{
+        gk20a_dbg_fn("");
+
+        switch (info->type) {
+        case TEGRA_VGPU_CE2_NONSTALL_INTR_NONBLOCKPIPE:
+                gk20a_channel_semaphore_wakeup(g);
+                break;
+        default:
+                WARN_ON(1);
+                break;
+        }
+
+        return 0;
+}