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Fix typo in passthrough docs and improve 'Host Configuration' section

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Signed-off-by: Stefan Reiter <s.reiter@proxmox.com>
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Stefan Reiter 2019-11-27 11:41:07 +01:00 committed by Thomas Lamprecht
parent a4a67cdb74
commit eebb350680
1 changed files with 19 additions and 2 deletions
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21
qm-pci-passthrough.adoc
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@ -149,7 +149,7 @@ PCI(e) card, for example a GPU or a network card.
Host Configuration Host Configuration
^^^^^^^^^^^^^^^^^^ ^^^^^^^^^^^^^^^^^^
In this case, the host cannot use the card. There are two methods to achieve In this case, the host must not use the card. There are two methods to achieve
this: this:
* pass the device IDs to the options of the 'vfio-pci' modules by adding * pass the device IDs to the options of the 'vfio-pci' modules by adding
@ -162,7 +162,7 @@ to a .conf file in */etc/modprobe.d/* where `1234:5678` and `4321:8765` are
the vendor and device IDs obtained by: the vendor and device IDs obtained by:
+ +
---- ----
# lcpci -nn # lspci -nn
---- ----
* blacklist the driver completely on the host, ensuring that it is free to bind * blacklist the driver completely on the host, ensuring that it is free to bind
@ -178,6 +178,23 @@ For both methods you need to
xref:qm_pci_passthrough_update_initramfs[update the `initramfs`] again and xref:qm_pci_passthrough_update_initramfs[update the `initramfs`] again and
reboot after that. reboot after that.
.Verify Configuration
To check if your changes were successful, you can use
----
# lspci -nnk
----
and check your device entry. If it says
----
Kernel driver in use: vfio-pci
----
or the 'in use' line is missing entirely, the device is ready to be used for
passthrough.
[[qm_pci_passthrough_vm_config]] [[qm_pci_passthrough_vm_config]]
VM Configuration VM Configuration
^^^^^^^^^^^^^^^^ ^^^^^^^^^^^^^^^^