vfio-helpers.h · samitouri/QOSamiQemu

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1	/*
2	* VFIO helpers
3	*
4	* Copyright Red Hat, Inc. 2025
5	*
6	* SPDX-License-Identifier: GPL-2.0-or-later
7	*/
8
9	#ifndef HW_VFIO_VFIO_HELPERS_H
10	#define HW_VFIO_VFIO_HELPERS_H
11
12	#ifdef CONFIG_LINUX
13	#include <linux/vfio.h>
14
15	extern int vfio_kvm_device_fd;
16
17	struct vfio_info_cap_header *
18	vfio_get_cap(void *ptr, uint32_t cap_offset, uint16_t id);
19	struct vfio_info_cap_header *
20	vfio_get_device_info_cap(struct vfio_device_info *info, uint16_t id);
21	struct vfio_info_cap_header *
22	vfio_get_region_info_cap(struct vfio_region_info *info, uint16_t id);
23	struct vfio_info_cap_header *
24	vfio_get_iommu_type1_info_cap(struct vfio_iommu_type1_info *info, uint16_t id);
25	bool vfio_get_info_dma_avail(struct vfio_iommu_type1_info *info,
26	unsigned int *avail);
27	#endif
28
29	int vfio_bitmap_alloc(VFIOBitmap *vbmap, hwaddr size);
30	struct vfio_device_info *vfio_get_device_info(int fd);
31
32	int vfio_kvm_device_add_fd(int fd, Error **errp);
33	int vfio_kvm_device_del_fd(int fd, Error **errp);
34
35	#endif /* HW_VFIO_VFIO_HELPERS_H */