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virt:zfs_kvm_debian8
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virt:zfs_kvm_debian8 [2016/04/12 09:14] tschulz [Bind PCI device to VFIO] |
virt:zfs_kvm_debian8 [2016/04/12 09:36] tschulz [Setup Bridged Networking] |
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| ==== Blacklist Video Drivers==== | ==== Blacklist Video Drivers==== | ||
| + | * If a driver is using a pci device that you want to passthough you might want to blacklist the driver, although you can try unbinding the driver before you tell vfio to claim the device | ||
| * driver name is found be running: <file>lspci -vn | less -p VGA | * driver name is found be running: <file>lspci -vn | less -p VGA | ||
| </file> Look for "**Kernel driver in use:**"<file bash /etc/modprobe.d/blacklist.conf> | </file> Look for "**Kernel driver in use:**"<file bash /etc/modprobe.d/blacklist.conf> | ||
| Line 42: | Line 43: | ||
| </file> | </file> | ||
| + | ===== Install Kernel and updates from Backports ===== | ||
| + | * add the following line to /etc/apt/sources.list<file>deb http://ftp.debian.org/debian jessie-backports main</file> | ||
| + | * Update package list and update packages<file>apt-get update | ||
| + | apt-get -t jessie-backports upgrade</file> | ||
| ===== Bind PCI device to VFIO ===== | ===== Bind PCI device to VFIO ===== | ||
| Line 53: | Line 58: | ||
| echo 102b 0522 > /sys/bus/pci/drivers/vfio-pci/new_id | echo 102b 0522 > /sys/bus/pci/drivers/vfio-pci/new_id | ||
| </file> | </file> | ||
| + | |||
| + | ===== USB Passthough ===== | ||
| + | * If you are passing a physical video card to a VM, you will need to also pass usb input devices to the VM since the VM will not have a SDL or Spice virtual display. | ||
| + | * This is done through USB passthrough. | ||
| + | * To find the USB id's to pass through run <file>lsusb | grep -v "root hub"</file> | ||
| + | * This will give you something like this<file>Bus 005 Device 002: ID 046b:ff10 American Megatrends, Inc. Virtual Keyboard and Mouse | ||
| + | Bus 003 Device 003: ID 0557:2205 ATEN International Co., Ltd | ||
| + | Bus 003 Device 002: ID 0451:2046 Texas Instruments, Inc. TUSB2046 Hub</file> | ||
| + | * What we want is the hexadecimal ID **ffff:ffff** | ||
| + | * then this to pass the usb device to the vm<file>-usbdevice host:ffff:ffff</file> | ||
| ===== Example kvm script ===== | ===== Example kvm script ===== | ||
| <file bash> | <file bash> | ||
| Line 81: | Line 96: | ||
| echo 102b 0522 > /sys/bus/pci/drivers/vfio-pci/new_id</file> | echo 102b 0522 > /sys/bus/pci/drivers/vfio-pci/new_id</file> | ||
| * The following passes a video card to the vm and binds it to the pcie bridge<file>-device vfio-pci,host=07:00.0,bus=root.1,addr=00.0,multifunction=on,x-vga=on \</file> | * The following passes a video card to the vm and binds it to the pcie bridge<file>-device vfio-pci,host=07:00.0,bus=root.1,addr=00.0,multifunction=on,x-vga=on \</file> | ||
| - | * The following passes a usb hub to the vm so that keyboard and mouse input can be used with the physical display<file>-usb -usbdevice host:0557:2205</file> | + | * The following passes a usb hub to the vm so that keyboard and mouse input can be used with the physical display<file>-usbdevice host:0557:2205</file> |
virt/zfs_kvm_debian8.txt · Last modified: 2016/04/20 14:18 by tschulz
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