gpu: nvgpu: nvlink endpoint ops to common code

Move nvlink endpoint operations to common code. These operations
are invoked when handling nvlink core driver requests.

Jira VQRM-3523

Change-Id: I93024bf88a8caa3765b33c1264dde452c1a85ee3
Signed-off-by: Thomas Fleury <tfleury@nvidia.com>
Reviewed-on: https://git-master.nvidia.com/r/1698686
Reviewed-by: mobile promotions <svcmobile_promotions@nvidia.com>
Tested-by: mobile promotions <svcmobile_promotions@nvidia.com>

2 files changed, 40 insertions, 2 deletions

diff --git a/drivers/gpu/nvgpu/include/nvgpu/linux/nvlink.h b/drivers/gpu/nvgpu/include/nvgpu/linux/nvlink.h
new file mode 100644
index 00000000..550a897a
--- /dev/null
+++ b/drivers/gpu/nvgpu/include/nvgpu/linux/nvlink.h
@@ -0,0 +1,31 @@
+/*
+ * Copyright (c) 2018, NVIDIA CORPORATION.  All rights reserved.
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a
+ * copy of this software and associated documentation files (the "Software"),
+ * to deal in the Software without restriction, including without limitation
+ * the rights to use, copy, modify, merge, publish, distribute, sublicense,
+ * and/or sell copies of the Software, and to permit persons to whom the
+ * Software is furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in
+ * all copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL
+ * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+ * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
+ * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
+ * DEALINGS IN THE SOFTWARE.
+ */
+
+#ifndef __NVGPU_LINUX_NVLINK_H__
+#define __NVGPU_LINUX_NVLINK_H__
+
+#ifdef CONFIG_TEGRA_NVLINK
+#include <linux/mutex.h>
+#include <linux/platform/tegra/tegra-nvlink.h>
+#endif
+
+#endif
diff --git a/drivers/gpu/nvgpu/include/nvgpu/nvlink.h b/drivers/gpu/nvgpu/include/nvgpu/nvlink.h
index dfa3be3f..00f0eda9 100644
--- a/drivers/gpu/nvgpu/include/nvgpu/nvlink.h
+++ b/drivers/gpu/nvgpu/include/nvgpu/nvlink.h
@@ -25,6 +25,12 @@
 
 #include <nvgpu/types.h>
 
+#ifdef __KERNEL__
+#include <nvgpu/linux/nvlink.h>
+#else
+#include <nvgpu_rmos/include/nvlink.h>
+#endif
+
 struct gk20a;
 
 struct nvgpu_nvlink_ioctrl_list {
@@ -207,11 +213,12 @@ struct nvgpu_nvlink_dev {
         void *priv;
 };
 
-
 int nvgpu_nvlink_enumerate(struct gk20a *g);
 int nvgpu_nvlink_train(struct gk20a *g, u32 link_id, bool from_off);
+int nvgpu_nvlink_read_dt_props(struct gk20a *g);
+
 int nvgpu_nvlink_probe(struct gk20a *g);
 
 void nvgpu_mss_nvlink_init_credits(struct gk20a *g);
 
-#endif
+#endif /* __NVGPU_NVLINK_H__ */