Jetpack/kernel/kernel-4.9/arch/arm64/include/asm/device.h

41 lines
1.0 KiB
C

/*
* 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 dma_iommu_mapping;
struct dev_archdata {
struct dma_map_ops *dma_ops;
#ifdef CONFIG_IOMMU_API
void *iommu; /* private IOMMU data */
struct dma_iommu_mapping *mapping;
#endif
bool dma_coherent;
bool dma_noncontig;
};
struct pdev_archdata {
};
#ifdef CONFIG_IOMMU_API
#define to_dma_iommu_mapping(dev) (dev->archdata.mapping)
#else
#define to_dma_iommu_mapping(dev) NULL
#endif
#endif