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74ae8bb20b
dma_buf private data is not supported in upstream kernel. Update the logic of pin/unpin when this support is not present. Separate out the related functions to new file and select logic based on new config flag CONFIG_NVGPU_DMABUF_HAS_DRVDATA. Bug 2834141 Change-Id: I921758727b1bfc3690f2ab26bccd9befae14d782 Signed-off-by: Sagar Kamble <skamble@nvidia.com> Reviewed-on: https://git-master.nvidia.com/r/c/linux-nvgpu/+/2294098 Reviewed-by: Vijayakumar Subbu <vsubbu@nvidia.com> Reviewed-by: mobile promotions <svcmobile_promotions@nvidia.com> Reviewed-by: Debarshi Dutta <ddutta@nvidia.com> Reviewed-by: Jonathan Hunter <jonathanh@nvidia.com> Tested-by: mobile promotions <svcmobile_promotions@nvidia.com> GVS: Gerrit_Virtual_Submit
46 lines
1.3 KiB
C
46 lines
1.3 KiB
C
/*
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* Copyright (c) 2017-2020, NVIDIA CORPORATION. All rights reserved.
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*
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* This program is free software; you can redistribute it and/or modify it
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* under the terms and conditions of the GNU General Public License,
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* version 2, as published by the Free Software Foundation.
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*
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* This program is distributed in the hope it will be useful, but WITHOUT
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* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
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* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
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* more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program. If not, see <http://www.gnu.org/licenses/>.
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*/
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#ifndef NVGPU_DMABUF_VIDMEM_H
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#define NVGPU_DMABUF_VIDMEM_H
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#ifdef CONFIG_NVGPU_DGPU
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#include <nvgpu/types.h>
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struct dma_buf;
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struct gk20a;
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struct scatterlist;
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struct gk20a *nvgpu_vidmem_buf_owner(struct dma_buf *dmabuf);
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int nvgpu_vidmem_export_linux(struct gk20a *g, size_t bytes);
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void nvgpu_vidmem_set_page_alloc(struct scatterlist *sgl, u64 addr);
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struct nvgpu_page_alloc *nvgpu_vidmem_get_page_alloc(struct scatterlist *sgl);
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int nvgpu_vidmem_buf_access_memory(struct gk20a *g, struct dma_buf *dmabuf,
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void *buffer, u64 offset, u64 size, u32 cmd);
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struct nvgpu_vidmem_linux {
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struct dma_buf *dmabuf;
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void *dmabuf_priv;
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void (*dmabuf_priv_delete)(void *);
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};
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#endif
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#endif
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