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Allow setting of PCI domain (#927)

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Quinten Johnson
2020-05-10 05:40:29 -05:00
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parent 618c8b251d
commit 7e966febbd
6 changed files with 19 additions and 11 deletions
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13
README.md
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@@ -833,29 +833,30 @@ end
You can specify multiple PCI devices to passthrough to the VM via
`libvirt.pci`. Available options are listed below. Note that all options are
required:
required, except domain, which defaults to `0x0000`:
* `domain` - The domain of the PCI device
* `bus` - The bus of the PCI device
* `slot` - The slot of the PCI device
* `function` - The function of the PCI device
You can extract that information from output of `lspci` command. First
characters of each line are in format `[<bus>]:[<slot>].[<func>]`. For example:
characters of each line are in format `[<domain>]:[<bus>]:[<slot>].[<func>]`. For example:
```shell
$ lspci| grep NVIDIA
03:00.0 VGA compatible controller: NVIDIA Corporation GK110B [GeForce GTX TITAN Black] (rev a1)
0000:03:00.0 VGA compatible controller: NVIDIA Corporation GK110B [GeForce GTX TITAN Black] (rev a1)
```
In that case `bus` is `0x03`, `slot` is `0x00` and `function` is `0x0`.
In that case `domain` is `0x0000`, `bus` is `0x03`, `slot` is `0x00` and `function` is `0x0`.
```ruby
Vagrant.configure("2") do |config|
config.vm.provider :libvirt do |libvirt|
libvirt.pci :bus => '0x06', :slot => '0x12', :function => '0x5'
libvirt.pci :domain => '0x0000', :bus => '0x06', :slot => '0x12', :function => '0x5'
# Add another one if it is neccessary
libvirt.pci :bus => '0x03', :slot => '0x00', :function => '0x0'
libvirt.pci :domain => '0x0000', :bus => '0x03', :slot => '0x00', :function => '0x0'
end
end
```