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c3fbdba15a
The vfio_kvm_device_add/del_fd() routines opening the VFIO pseudo device are defined in "helpers.c". Move 'vfio_kvm_device_fd' definition there and its declaration into "vfio-helpers.h" to reduce exposure of VFIO internals in "hw/vfio/vfio-common.h". Reviewed-by: John Levon <john.levon@nutanix.com> Link: https://lore.kernel.org/qemu-devel/20250318095415.670319-22-clg@redhat.com Reviewed-by: Zhenzhong Duan <zhenzhong.duan@intel.com> Link: https://lore.kernel.org/qemu-devel/20250326075122.1299361-23-clg@redhat.com Signed-off-by: Cédric Le Goater <clg@redhat.com>
35 lines
1,018 B
C
35 lines
1,018 B
C
/*
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* VFIO helpers
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*
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* Copyright Red Hat, Inc. 2025
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*
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* SPDX-License-Identifier: GPL-2.0-or-later
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*/
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#ifndef HW_VFIO_VFIO_HELPERS_H
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#define HW_VFIO_VFIO_HELPERS_H
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#ifdef CONFIG_LINUX
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#include <linux/vfio.h>
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extern int vfio_kvm_device_fd;
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struct vfio_info_cap_header *
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vfio_get_cap(void *ptr, uint32_t cap_offset, uint16_t id);
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struct vfio_info_cap_header *
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vfio_get_device_info_cap(struct vfio_device_info *info, uint16_t id);
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struct vfio_info_cap_header *
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vfio_get_region_info_cap(struct vfio_region_info *info, uint16_t id);
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struct vfio_info_cap_header *
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vfio_get_iommu_type1_info_cap(struct vfio_iommu_type1_info *info, uint16_t id);
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bool vfio_get_info_dma_avail(struct vfio_iommu_type1_info *info,
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unsigned int *avail);
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#endif
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int vfio_bitmap_alloc(VFIOBitmap *vbmap, hwaddr size);
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struct vfio_device_info *vfio_get_device_info(int fd);
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int vfio_kvm_device_add_fd(int fd, Error **errp);
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int vfio_kvm_device_del_fd(int fd, Error **errp);
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#endif /* HW_VFIO_VFIO_HELPERS_H */
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