| 1 | /* SPDX-License-Identifier: GPL-2.0-only */ |
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| 2 | /* Copyright (c) 2023, NVIDIA CORPORATION & AFFILIATES. |
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| 3 | */ |
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| 4 | #ifndef __LINUX_IOMMU_PRIV_H |
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| 5 | #define __LINUX_IOMMU_PRIV_H |
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| 6 | |
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| 7 | #include <linux/iommu.h> |
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| 8 | |
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| 9 | static inline const struct iommu_ops *dev_iommu_ops(struct device *dev) |
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| 10 | { |
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| 11 | /* |
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| 12 | * Assume that valid ops must be installed if iommu_probe_device() |
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| 13 | * has succeeded. The device ops are essentially for internal use |
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| 14 | * within the IOMMU subsystem itself, so we should be able to trust |
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| 15 | * ourselves not to misuse the helper. |
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| 16 | */ |
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| 17 | return dev->iommu->iommu_dev->ops; |
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| 18 | } |
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| 19 | |
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| 20 | int iommu_group_replace_domain(struct iommu_group *group, |
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| 21 | struct iommu_domain *new_domain); |
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| 22 | |
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| 23 | int iommu_device_register_bus(struct iommu_device *iommu, |
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| 24 | const struct iommu_ops *ops, |
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| 25 | const struct bus_type *bus, |
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| 26 | struct notifier_block *nb); |
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| 27 | void iommu_device_unregister_bus(struct iommu_device *iommu, |
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| 28 | const struct bus_type *bus, |
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| 29 | struct notifier_block *nb); |
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| 30 | |
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| 31 | #endif /* __LINUX_IOMMU_PRIV_H */ |
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| 32 | |
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