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eef905a859
It defines a small part of the IOMMU API of Linux. We don't implement that yet. Reviewed by: manu Approved by: manu Differential Revision: https://reviews.freebsd.org/D39054
29 lines
784 B
C
29 lines
784 B
C
/* Public domain. */
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#ifndef _LINUXKPI_LINUX_IOMMU_H_
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#define _LINUXKPI_LINUX_IOMMU_H_
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#include <linux/device.h>
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#define __IOMMU_DOMAIN_PAGING (1U << 0)
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#define __IOMMU_DOMAIN_DMA_API (1U << 1)
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#define __IOMMU_DOMAIN_PT (1U << 2)
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#define __IOMMU_DOMAIN_DMA_FQ (1U << 3)
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#define IOMMU_DOMAIN_BLOCKED (0U)
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#define IOMMU_DOMAIN_IDENTITY (__IOMMU_DOMAIN_PT)
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#define IOMMU_DOMAIN_UNMANAGED (__IOMMU_DOMAIN_PAGING)
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#define IOMMU_DOMAIN_DMA (__IOMMU_DOMAIN_PAGING | __IOMMU_DOMAIN_DMA_API)
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#define IOMMU_DOMAIN_DMA_FQ (__IOMMU_DOMAIN_PAGING | __IOMMU_DOMAIN_DMA_API | __IOMMU_DOMAIN_DMA_FQ)
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struct iommu_domain {
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unsigned int type;
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};
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static inline struct iommu_domain *
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iommu_get_domain_for_dev(struct device *dev __unused)
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{
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return (NULL);
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}
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#endif /* _LINUXKPI_LINUX_IOMMU_H_ */
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