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/* SPDX-License-Identifier: GPL-2.0-only */
/* Copyright (c) 2023, NVIDIA CORPORATION & AFFILIATES.
*/
#ifndef __LINUX_IOMMU_PRIV_H
#define __LINUX_IOMMU_PRIV_H
#include <linux/iommu.h>
static inline const struct iommu_ops *dev_iommu_ops(struct device *dev)
{
/*
* Assume that valid ops must be installed if iommu_probe_device()
* has succeeded. The device ops are essentially for internal use
* within the IOMMU subsystem itself, so we should be able to trust
* ourselves not to misuse the helper.
*/
return dev->iommu->iommu_dev->ops;
}
int iommu_group_replace_domain(struct iommu_group *group,
struct iommu_domain *new_domain);
int iommu_device_register_bus(struct iommu_device *iommu,
const struct iommu_ops *ops,
const struct bus_type *bus,
struct notifier_block *nb);
void iommu_device_unregister_bus(struct iommu_device *iommu,
const struct bus_type *bus,
struct notifier_block *nb);
#endif /* __LINUX_IOMMU_PRIV_H */
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