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https://git.kernel.org/pub/scm/linux/kernel/git/chenhuacai/linux-loongson
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657cbb6b6c
This patch changes IOMMU code to use dev->archdata->iommu to store information about the alias device and the domain the device is attached to. This allows the driver to get rid of the amd_iommu_pd_table in the future. Signed-off-by: Joerg Roedel <joerg.roedel@amd.com>
20 lines
355 B
C
20 lines
355 B
C
#ifndef _ASM_X86_DEVICE_H
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#define _ASM_X86_DEVICE_H
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struct dev_archdata {
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#ifdef CONFIG_ACPI
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void *acpi_handle;
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#endif
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#ifdef CONFIG_X86_64
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struct dma_map_ops *dma_ops;
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#endif
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#if defined(CONFIG_DMAR) || defined(CONFIG_AMD_IOMMU)
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void *iommu; /* hook for IOMMU specific extension */
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#endif
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};
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struct pdev_archdata {
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};
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#endif /* _ASM_X86_DEVICE_H */
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