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/*
* 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
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