tag

#iommu

2 posts

FreeBSDDeep Dive October 14, 2026 5 min read

FreeBSD bhyve PCI Passthrough: Host Reservation, IOMMU, and Rollback

Plan bhyve PCI passthrough by verifying VT-d eligibility, reserving the correct function for ppt, wiring guest memory, and preserving host recovery.

#freebsd#bhyve#pci-passthrough

LinuxDeep Dive October 12, 2026 7 min read

Trace VFIO device binding into IOMMUFD, inspect IOAS mapping constraints, and preflight group isolation without unbinding a live device.

#linux#vfio#iommufd