gpu: nvgpu: vgpu: add ivm wrappers

Added vgpu_ivm_*() functions to be used by os agnostic code.

Jira EVLR-2364

Change-Id: I4a2baebcff9723950c4fba99d0879a0c61e3e3a2
Signed-off-by: Richard Zhao <rizhao@nvidia.com>
Reviewed-on: https://git-master.nvidia.com/r/1649935
Reviewed-by: mobile promotions <svcmobile_promotions@nvidia.com>
Tested-by: mobile promotions <svcmobile_promotions@nvidia.com>

1 files changed, 35 insertions, 0 deletions

diff --git a/drivers/gpu/nvgpu/include/nvgpu/vgpu/vgpu_ivm.h b/drivers/gpu/nvgpu/include/nvgpu/vgpu/vgpu_ivm.h
new file mode 100644
index 00000000..ba2cfc56
--- /dev/null
+++ b/drivers/gpu/nvgpu/include/nvgpu/vgpu/vgpu_ivm.h
@@ -0,0 +1,35 @@
+/*
+ * 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 __VGPU_IVM_H__
+#define __VGPU_IVM_H__
+
+#include <nvgpu/types.h>
+
+struct tegra_hv_ivm_cookie;
+
+struct tegra_hv_ivm_cookie *vgpu_ivm_mempool_reserve(unsigned int id);
+int vgpu_ivm_mempool_unreserve(struct tegra_hv_ivm_cookie *cookie);
+u64 vgpu_ivm_get_ipa(struct tegra_hv_ivm_cookie *cookie);
+u64 vgpu_ivm_get_size(struct tegra_hv_ivm_cookie *cookie);
+
+#endif