9913ccceda
Take a snapshot of our qcom-iommu-util module as of commit
f843a80d2c45 ("Merge "defconfig: gen3auto: Separated if_changed"") on
msm-5.15. Update minor lint warnings with respect to header inclusions
and spacing.
Change-Id: Ib33f54f081eb029ade172254a6732c49dcf1f73d
Signed-off-by: Chris Goldsworthy <quic_cgoldswo@quicinc.com>
52 lines
1.4 KiB
C
52 lines
1.4 KiB
C
/* SPDX-License-Identifier: GPL-2.0-only */
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/* Copyright (c) 2020-2021, The Linux Foundation. All rights reserved. */
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#ifndef __LINUX_QTI_IOMMU_LOGGER_H
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#define __LINUX_QTI_IOMMU_LOGGER_H
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#include <linux/io-pgtable.h>
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enum iommu_logger_pgtable_fmt {
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IOMMU_LOGGER_ARM_32_LPAE_S1,
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IOMMU_LOGGER_ARM_64_LPAE_S1,
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IOMMU_LOGGER_MAX_PGTABLE_FMTS,
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};
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/*
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* Each group may have more than one domain; but each domain may
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* only have one group.
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*/
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struct iommu_debug_attachment {
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struct iommu_domain *domain;
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struct iommu_group *group;
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char *client_name;
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enum iommu_logger_pgtable_fmt fmt;
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unsigned int levels;
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/*
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* Virtual addresses of the top-level page tables are stored here,
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* as they are more useful for debug tools than physical addresses.
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*/
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void *ttbr0;
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void *ttbr1;
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struct list_head list;
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};
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#if IS_ENABLED(CONFIG_QTI_IOMMU_SUPPORT)
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int iommu_logger_register(struct iommu_debug_attachment **a,
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struct iommu_domain *domain, struct device *dev,
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struct io_pgtable *iop);
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void iommu_logger_unregister(struct iommu_debug_attachment *a);
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#else
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static inline int iommu_logger_register(struct iommu_debug_attachment **a,
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struct iommu_domain *domain,
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struct device *dev,
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struct io_pgtable *iop)
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{
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return 0;
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}
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static inline void iommu_logger_unregister(struct iommu_debug_attachment *a) {}
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#endif /* CONFIG_QTI_IOMMU_LOGGER */
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#endif /* __LINUX_QTI_IOMMU_LOGGER_H */
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