Cregit: Linux 6.11: dma-iommu.h

Contributors: 7
Author	Tokens	Token Proportion	Commits	Commit Proportion
Robin Murphy	81	54.00%	8	42.11%
Joerg Roedel	44	29.33%	5	26.32%
Alex Williamson	12	8.00%	1	5.26%
Eric Auger	8	5.33%	1	5.26%
Christoph Hellwig	2	1.33%	2	10.53%
Marc Zyngier	2	1.33%	1	5.26%
Thomas Gleixner	1	0.67%	1	5.26%
Total	150		19

/* 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

void iommu_setup_dma_ops(struct device *dev);

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 void iommu_setup_dma_ops(struct device *dev)
{
}

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 */