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CONFIG_IOMMU_BUS_NUM
¶
Highest PCI bus ID used during IOMMU initialization
Type: hex
Help¶
Any BDF with a bus ID smaller than this number is mapped to the IOMMU domain of the first VM.
Defaults¶
- 0x100
Kconfig definition¶
At arch/x86/Kconfig:309
Included via Kconfig:3
Menu path: (top menu)
config IOMMU_BUS_NUM
hex
prompt "Highest PCI bus ID used during IOMMU initialization"
default 0x100
help
Any BDF with a bus ID smaller than this number is mapped to
the IOMMU domain of the first VM.
(Definitions include propagated dependencies, including from if’s and menus.)