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/* SPDX-License-Identifier: GPL-2.0 */
/*
* Hyper-V IOMMU driver.
*
* Copyright (C) 2024-2026, Microsoft, Inc.
*
*/
#ifndef _HYPERV_IOMMU_H
#define _HYPERV_IOMMU_H
struct hv_iommu_dev {
struct iommu_device iommu;
struct ida domain_ids;
/* Device configuration */
u8 max_iova_width;
u8 max_pasid_width;
u64 cap;
u64 pgsize_bitmap;
u64 first_domain;
u64 last_domain;
};
struct hv_iommu_domain {
union {
struct iommu_domain domain;
struct pt_iommu pt_iommu;
struct pt_iommu_x86_64 pt_iommu_x86_64;
};
struct hv_iommu_dev *hv_iommu;
struct hv_input_device_domain device_domain;
u64 pgsize_bitmap;
};
PT_IOMMU_CHECK_DOMAIN(struct hv_iommu_domain, pt_iommu, domain);
PT_IOMMU_CHECK_DOMAIN(struct hv_iommu_domain, pt_iommu_x86_64.iommu, domain);
#define to_hv_iommu_domain(d) \
container_of(d, struct hv_iommu_domain, domain)
#endif /* _HYPERV_IOMMU_H */
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