On 16.07.2025 09:43, Mykyta Poturai wrote:
> --- a/xen/arch/x86/include/asm/pci.h
> +++ b/xen/arch/x86/include/asm/pci.h
> @@ -64,4 +64,10 @@ bool pci_check_bar(const struct pci_dev *pdev, mfn_t
> start, mfn_t end);
> struct rangeset;
> int pci_sanitize_bar_memory(struct rangeset *r);
>
> +/*
From: Stewart Hildebrand
Enable the use of IOMMU + PCI in dom0 without having to specify
"pci-passthrough=yes". Due to possible platform specific dependencies
of the PCI host, we rely on dom0 to initialize it and perform
a PCI PHYSDEVOP calls to add each device to SMMU.
Because pci_passthrough i
