82576NS LINUX DRIVER

That means the driver is already loaded. Each of these “pseudo-devices” can be assigned to a VM Guest. Now make sure the driver is loaded on boot. This option will only affect a running domain. If the domain is inactive, the device is added to the persistent XML and will be available on next boot.

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This option affects the current state of the domain. The first two entries represent the PFs whereas the other entries represent the VFs. Intel Corporation Virtual Function rev 01 VFs do not get a fixed MAC address, it changes everytime the host reboots. If the command returns nothing, the driver is not loaded. Reboot the machine and check if the SR-IOV driver is loaded by re-running the lspci command from the first step of this procedure.

In the following example a check for the igb driver for the Intel NS network card returns a result. PFs are full PCIe functions used to manage and configure the device. Specify the data you acquired in the previous step here. This option will always add the device to the domain’s persistent XML. Numerical values from the lspci output shown in Section The minimal content of the file needs to look like the following:.

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If the domain is active, the device is hotplugged but not added to the persistent XML. Each of these “pseudo-devices” can be assigned to a VM Guest.

Downloads for Intel® Gigabit Ethernet Controller

This option will only affect the persistent XML, even if the domain is running. If the domain is inactive, the operation will fail. Ilnux sure to replace it by appropriate data from your setup.

Make sure to replace the example value igb by a value appropriate for your driver. It introduces physical functions PF and virtual functions VF. The following example shows the lspci output for the dual port Intel NS network card:.

Downloads for Intel® 82576 Gigabit Ethernet Controller

Before loading the driver, make sure the card is properly detected by running lspci. This option will only affect a running domain.

To detach a VF interface, use the virsh detach-device command which also takes the options listed above. In order to do so, you need to collect some data first. The theoretical maximum for VFs is per device consequently the maximum for a dual port Ethernet card would be Now make sure the driver is loaded on boot. PFs also have the ability to move data.

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Intel Corporation Virtual Function rev 01 [ Configure the driver by adding the number of VFs you would like to make available and—if necessary— by blacklisting the non-SR-IOV driver:. The following example shows the lspci output for the dual port Intel NS network card: If the domain is inactive, the device is added to the persistent XML and will be available on next boot. The following procedure is using example data.

In case a device is already attached to the host, it cannot be attached to a guest. Use rmmod to unload a driver. Make sure to replace the example values igbigbvf 8576ns igb by values appropriate for your driver. To make it available for guests, detach it from the host first:. That means the driver is already loaded.