iova_allocator.h

 1/* SPDX-License-Identifier: GPL-2.0-only */
 2#ifndef SELFTESTS_VFIO_LIB_INCLUDE_LIBVFIO_IOVA_ALLOCATOR_H
 3#define SELFTESTS_VFIO_LIB_INCLUDE_LIBVFIO_IOVA_ALLOCATOR_H
 4
 5#include <linux/list.h>
 6#include <linux/types.h>
 7#include <linux/iommufd.h>
 8
 9#include <libvfio/iommu.h>
10
11struct iova_allocator {
12	struct iommu_iova_range *ranges;
13	u32 nranges;
14	u32 range_idx;
15	u64 range_offset;
16};
17
18struct iova_allocator *iova_allocator_init(struct iommu *iommu);
19void iova_allocator_cleanup(struct iova_allocator *allocator);
20iova_t iova_allocator_alloc(struct iova_allocator *allocator, size_t size);
21
22#endif /* SELFTESTS_VFIO_LIB_INCLUDE_LIBVFIO_IOVA_ALLOCATOR_H */