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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 __NVGPU_LINUX_DMA_H__
#define __NVGPU_LINUX_DMA_H__
/**
* Functions used internally for building the backing SGTs for nvgpu_mems.
*/
int nvgpu_get_sgtable_attrs(struct gk20a *g, struct sg_table **sgt,
void *cpuva, u64 iova,
size_t size, unsigned long flags);
int nvgpu_get_sgtable(struct gk20a *g, struct sg_table **sgt,
void *cpuva, u64 iova, size_t size);
int nvgpu_get_sgtable_from_pages(struct gk20a *g, struct sg_table **sgt,
struct page **pages, u64 iova,
size_t size);
void nvgpu_free_sgtable(struct gk20a *g, struct sg_table **sgt);
#endif
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