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@ -2,13 +2,13 @@
title: Virtual Function I/O passthrough (vfio-pci) title: Virtual Function I/O passthrough (vfio-pci)
description: Pass a physical device to a guest sysstem description: Pass a physical device to a guest sysstem
published: true published: true
date: 2025-04-01T16:12:32.063Z date: 2025-04-01T16:55:51.080Z
tags: tags:
editor: markdown editor: markdown
dateCreated: 2025-04-01T11:18:43.924Z dateCreated: 2025-04-01T11:18:43.924Z
--- ---
# *vfio-pci* configuration # *Vfio-pci* configuration
[Virtual Function I/O](https://www.kernel.org/doc/html/latest/driver-api/vfio.html) (vfio-pci) passthrough allows for a single physical device to be assigned to a virtual machine or container. [Virtual Function I/O](https://www.kernel.org/doc/html/latest/driver-api/vfio.html) (vfio-pci) passthrough allows for a single physical device to be assigned to a virtual machine or container.
@ -68,19 +68,19 @@ IOMMU Group 16:
> In general, but not always, devices associated to a particular IOMMU group have to be passed through a guest system together > In general, but not always, devices associated to a particular IOMMU group have to be passed through a guest system together
{.is-info} {.is-info}
In the above example, most devices are well isolated, at the exception to the USB controller and the HD audio controller In the above example, most devices are well isolated, at the exception to the USB controller and the HD audio controller. As Phyllome OS is installed on the Intel SSD 660P NVMe SSD, this device should not be shared with a guest system.
| IOMMU Group | Device | ID | | IOMMU Group | Device | ID |
| --- | --- | --- | | --- | --- | --- |
| 0 | Intel Corporation Iris Pro Graphics 580 | 8086:193b | | 0 | Intel Corporation Iris Pro Graphics 580 | 8086:193b |
| 2 | Intel Gaussian Mixture Model - Neural Network Accelerator | 8086:1911 | | 2 | Intel Gaussian Mixture Model - Neural Network Accelerator | 8086:1911 |
| 3 | USB 3.0 xHCI Controller | 8086:a12f | | **3** | USB 3.0 xHCI Controller | 8086:a12f |
| 3 | Thermal Subsystem | 8086:a131 | | **3** | Thermal Subsystem | 8086:a131 |
| 4 | MEI Controller | 8086:a13a | | 4 | MEI Controller | 8086:a13a |
| 11 | HM170 Chipset LPC/eSPI Controller | 8086:a14e | | **11** | HM170 Chipset LPC/eSPI Controller | 8086:a14e |
| 11 | Power Management Controller | 8086:a121 | | **11** | Power Management Controller | 8086:a121 |
| 11 | HD Audio Controller | 8086:a170 | | **11** | HD Audio Controller | 8086:a170 |
| 11 | SMBus | 8086:a123 | | **11** | SMBus | 8086:a123 |
| 12 | Ethernet Connection (2) I219-LM | 8086:15b7 | | 12 | Ethernet Connection (2) I219-LM | 8086:15b7 |
| 13 | SD/MMC Card Reader Controller | 1217:8621 | | 13 | SD/MMC Card Reader Controller | 1217:8621 |
| 14 | Intel Corporation Wireless 8260 | 8086:24f3 | | 14 | Intel Corporation Wireless 8260 | 8086:24f3 |