1 files changed, 62 insertions, 0 deletions

diff --git a/drivers/gpu/nvgpu/common/linux/vm_priv.h b/drivers/gpu/nvgpu/common/linux/vm_priv.h
new file mode 100644
index 00000000..c0fb0ffe
--- /dev/null
+++ b/drivers/gpu/nvgpu/common/linux/vm_priv.h
@@ -0,0 +1,62 @@
+/*
+ * Copyright (c) 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.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program.  If not, see <http://www.gnu.org/licenses/>.
+ */
+
+#ifndef __COMMON_LINUX_VM_PRIV_H__
+#define __COMMON_LINUX_VM_PRIV_H__
+
+#include <nvgpu/types.h>
+
+struct sg_table;
+struct dma_buf;
+
+struct vm_gk20a;
+struct vm_gk20a_mapping_batch;
+
+u64 nvgpu_vm_map(struct vm_gk20a *vm,
+                 struct dma_buf *dmabuf,
+                 u64 offset_align,
+                 u32 flags /*NVGPU_AS_MAP_BUFFER_FLAGS_*/,
+                 int kind,
+                 struct sg_table **sgt,
+                 bool user_mapped,
+                 int rw_flag,
+                 u64 buffer_offset,
+                 u64 mapping_size,
+                 struct vm_gk20a_mapping_batch *mapping_batch);
+
+int nvgpu_vm_map_compbits(struct vm_gk20a *vm,
+                          u64 mapping_gva,
+                          u64 *compbits_win_gva,
+                          u64 *mapping_iova,
+                          u32 flags);
+
+/* Note: batch may be NULL if map op is not part of a batch */
+int nvgpu_vm_map_buffer(struct vm_gk20a *vm,
+                        int dmabuf_fd,
+                        u64 *offset_align,
+                        u32 flags, /* NVGPU_AS_MAP_BUFFER_FLAGS_ */
+                        int kind,
+                        u64 buffer_offset,
+                        u64 mapping_size,
+                        struct vm_gk20a_mapping_batch *batch);
+
+void nvgpu_vm_unmap(struct vm_gk20a *vm, u64 offset);
+
+/* find buffer corresponding to va */
+int nvgpu_vm_find_buffer(struct vm_gk20a *vm, u64 gpu_va,
+                         struct dma_buf **dmabuf,
+                         u64 *offset);
+#endif