From: Christoph Heiss <c.heiss@proxmox.com>
To: pve-devel@lists.proxmox.com
Subject: [pve-devel] [PATCH docs 3/3] pci-passthrough: add note about mediated devices w.r.t kernel modules
Date: Tue, 22 Oct 2024 12:19:39 +0200 [thread overview]
Message-ID: <20241022101941.329529-4-c.heiss@proxmox.com> (raw)
In-Reply-To: <20241022101941.329529-1-c.heiss@proxmox.com>
Signed-off-by: Christoph Heiss <c.heiss@proxmox.com>
---
qm-pci-passthrough.adoc | 15 +++++++++++++++
1 file changed, 15 insertions(+)
diff --git a/qm-pci-passthrough.adoc b/qm-pci-passthrough.adoc
index 70e33f2..ae0bdde 100644
--- a/qm-pci-passthrough.adoc
+++ b/qm-pci-passthrough.adoc
@@ -96,6 +96,14 @@ to the xref:sysboot_edit_kernel_cmdline[kernel commandline].
You have to make sure the following modules are loaded. This can be achieved by
adding them to `'/etc/modules''.
+.Mediated devices passthrough
+[NOTE]
+====
+If passing through mediated devices (e.g. vGPUs), the following is not needed.
+In these cases, the device will be owned by the appropriate host-driver
+directly.
+====
+
----
vfio
vfio_iommu_type1
@@ -274,6 +282,13 @@ Kernel driver in use: vfio-pci
or the 'in use' line is missing entirely, the device is ready to be used for
passthrough.
+.Mediated devices
+[NOTE]
+====
+For mediated devices this line will differ as the device will be owned as the
+host driver directly, not 'vfio-pci'.
+====
+
[[qm_pci_passthrough_vm_config]]
VM Configuration
^^^^^^^^^^^^^^^^
--
2.46.0
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prev parent reply other threads:[~2024-10-22 10:19 UTC|newest]
Thread overview: 5+ messages / expand[flat|nested] mbox.gz Atom feed top
2024-10-22 10:19 [pve-devel] [PATCH docs 0/3] pci-passthrough: update section for newer kernels, add mdev driver note Christoph Heiss
2024-10-22 10:19 ` [pve-devel] [PATCH docs 1/3] pci-passthrough: drop obsolete `vfio_virqfd` kernel module requirement Christoph Heiss
2024-10-22 10:19 ` [pve-devel] [PATCH docs 2/3] pci-passthrough: mention that `intel_iommu=on` is the default for 6.8+ Christoph Heiss
2024-10-29 13:17 ` Aaron Lauterer
2024-10-22 10:19 ` Christoph Heiss [this message]
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