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This property allows configuring whether to start the config load only after all iterables were loaded, during non-iterables loading phase. Such interlocking is required for ARM64 due to this platform VFIO dependency on interrupt controller being loaded first. The property defaults to AUTO, which means ON for ARM, OFF for other platforms. Reviewed-by: Fabiano Rosas <farosas@suse.de> Reviewed-by: Avihai Horon <avihaih@nvidia.com> Signed-off-by: Maciej S. Szmigiero <maciej.szmigiero@oracle.com> Link: https://lore.kernel.org/qemu-devel/0e03c60dbc91f9a9ba2516929574df605b7dfcb4.1752589295.git.maciej.szmigiero@oracle.com Signed-off-by: Cédric Le Goater <clg@redhat.com>
38 lines
1.0 KiB
C
38 lines
1.0 KiB
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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bool vfio_arch_wants_loading_config_after_iter(void);
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#endif /* HW_VFIO_VFIO_HELPERS_H */
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