40 lines
1.1 KiB
C
40 lines
1.1 KiB
C
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/*
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* Copyright (C) 2012 ARM Ltd.
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License version 2 as
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* published by the Free Software Foundation.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for 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 __ASM_DEVICE_H
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#define __ASM_DEVICE_H
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struct dev_archdata {
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const struct dma_map_ops *dma_ops;
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#ifdef CONFIG_IOMMU_API
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void *iommu; /* private IOMMU data */
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#endif
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#ifdef CONFIG_ARM64_DMA_USE_IOMMU
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struct dma_iommu_mapping *mapping;
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#endif
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};
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struct pdev_archdata {
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u64 dma_mask;
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};
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#ifdef CONFIG_ARM64_DMA_USE_IOMMU
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#define to_dma_iommu_mapping(dev) ((dev)->archdata.mapping)
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#else
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#define to_dma_iommu_mapping(dev) NULL
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#endif
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#endif
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