blob: ffa5af4fcb7ebcd0f20ebe29882c8d2de3540bcb [file] [log] [blame]
/*
* Copyright (C) 2012 ARM Ltd.
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License version 2 as
* published by the Free Software Foundation.
*
* This program is distributed in the hope that 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 __ASM_DEVICE_H
#define __ASM_DEVICE_H
struct dev_archdata {
const struct dma_map_ops *dma_ops;
#ifdef CONFIG_IOMMU_API
void *iommu; /* private IOMMU data */
#endif
bool dma_coherent;
#ifdef CONFIG_ARM64_DMA_USE_IOMMU
struct dma_iommu_mapping *mapping;
#endif
};
struct pdev_archdata {
u64 dma_mask;
};
#ifdef CONFIG_ARM64_DMA_USE_IOMMU
#define to_dma_iommu_mapping(dev) ((dev)->archdata.mapping)
#else
#define to_dma_iommu_mapping(dev) NULL
#endif
#endif