63cd4f5fdc
Incorporated patchset 1 review comments Updated patchset 5 review comments Updated patchset 6 review comments Fixed merge conflicts Updated patchset 8 review comments Change-Id: Icd7b08ab69273f6073b960a13cf59905532f851a Signed-off-by: Juanita-Balaraj <juanita.balaraj@windriver.com>
2.2 KiB
Expose a Generic PCI Device for Use by VMs
You can configure generic -passthrough or devices (i.e. not network interface devices/cards) so that they are accessible to .
Note
For network cards, you must use the network interface settings to
configure VM access. You can do this from either the interface or the .
For more information, see Configuring PCI Passthrough
Ethernet Interfaces <configure-pci-passthrough-ethernet-interfaces>.
For generic -passthrough or SR-IOV devices, you must
- on each host where an instance of the device is installed, enable the device For this, you can use the interface or the .
- assign a system-wide alias to the device. For this, you must use the .
To enable devices and assign a alias using the , see Exposing a
Generic PCI Device Using the CLI
<exposing-a-generic-pci-device-using-the-cli>.
To edit a device, you must first lock the host.
Select the Devices tab on the Host Detail page for the host.
Click Edit Device.
Update the information as required.
- Name
-
Sets the system inventory name for the device.
- Enabled
-
Controls whether the device is exposed for use by .
Repeat the above steps for other hosts where the same type of device is installed.
Assign a alias.
The alias is a system-wide setting. It is used for all devices of the same type across multiple hosts.
For more information, see
Configuring a PCI Alias in Nova <configuring-a-pci-alias-in-nova>.
After completing the steps above, unlock the host.
To access a device from a , you must configure a flavor with a
reference to the alias. For more information, see Configuring a Flavor to Use a
Generic PCI Device <configuring-a-flavor-to-use-a-generic-pci-device>.