1 files changed, 52 insertions, 0 deletions

diff --git a/drivers/gpu/nvgpu/common/posix/posix-vm.c b/drivers/gpu/nvgpu/common/posix/posix-vm.c
new file mode 100644
index 00000000..588b956d
--- /dev/null
+++ b/drivers/gpu/nvgpu/common/posix/posix-vm.c
@@ -0,0 +1,52 @@
+/*
+ * 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.
+ */
+
+#include <stdlib.h>
+
+#include <nvgpu/vm.h>
+#include <nvgpu/bug.h>
+
+#include <nvgpu/posix/vm.h>
+
+u64 nvgpu_os_buf_get_size(struct nvgpu_os_buffer *os_buf)
+{
+        return os_buf->size;
+}
+
+struct nvgpu_mapped_buf *nvgpu_vm_find_mapping(struct vm_gk20a *vm,
+                                               struct nvgpu_os_buffer *os_buf,
+                                               u64 map_addr,
+                                               u32 flags,
+                                               int kind)
+{
+        BUG();
+
+        /*
+         * No map caching for now.
+         */
+        return NULL;
+}
+
+void nvgpu_vm_unmap_system(struct nvgpu_mapped_buf *mapped_buffer)
+{
+        free(mapped_buffer->os_priv.buf);
+}