https://github.com/torvalds/linux
- HEAD
- refs/heads/arm64-uaccess
- refs/heads/dependabot/pip/drivers/gpu/drm/ci/xfails/certifi-2024.7.4
- refs/heads/dependabot/pip/drivers/gpu/drm/ci/xfails/idna-3.7
- refs/heads/dependabot/pip/drivers/gpu/drm/ci/xfails/requests-2.32.2
- refs/heads/dependabot/pip/drivers/gpu/drm/ci/xfails/setuptools-70.0.0
- refs/heads/dependabot/pip/drivers/gpu/drm/ci/xfails/urllib3-2.2.2
- refs/heads/master
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Tip revision: 2241ab53cbb5cdb08a6b2d4688feb13971058f65 authored by Linus Torvalds on 22 January 2023, 00:27:01 UTC
Linux 6.2-rc5
Linux 6.2-rc5
Tip revision: 2241ab5
dma-iommu.h
/* SPDX-License-Identifier: GPL-2.0-only */
/*
* Copyright (C) 2014-2015 ARM Ltd.
*/
#ifndef __DMA_IOMMU_H
#define __DMA_IOMMU_H
#include <linux/iommu.h>
#ifdef CONFIG_IOMMU_DMA
int iommu_get_dma_cookie(struct iommu_domain *domain);
void iommu_put_dma_cookie(struct iommu_domain *domain);
int iommu_dma_init_fq(struct iommu_domain *domain);
void iommu_dma_get_resv_regions(struct device *dev, struct list_head *list);
extern bool iommu_dma_forcedac;
#else /* CONFIG_IOMMU_DMA */
static inline int iommu_dma_init_fq(struct iommu_domain *domain)
{
return -EINVAL;
}
static inline int iommu_get_dma_cookie(struct iommu_domain *domain)
{
return -ENODEV;
}
static inline void iommu_put_dma_cookie(struct iommu_domain *domain)
{
}
static inline void iommu_dma_get_resv_regions(struct device *dev, struct list_head *list)
{
}
#endif /* CONFIG_IOMMU_DMA */
#endif /* __DMA_IOMMU_H */