# Intel VT-D interrupt remapping controller configuration # Copyright (c) 2020 Intel Corporation # SPDX-License-Identifier: Apache-2.0 menuconfig INTEL_VTD_ICTL bool "Intel VT-D interrupt remapping controller" default y depends on !BOARD_QEMU_X86_64 && ACPI && X86 && 64BIT && PCIE_MSI_MULTI_VECTOR select CACHE_MANAGEMENT help Such interrupt remapping hardware is provided through Intel VT-D technology. It's being used, currently, only for MSI/MSI-X multi-vector support. If you have such PCIe device requiring multi-vector support, you will need to enable this. if INTEL_VTD_ICTL config INTEL_VTD_ICTL_XAPIC_PASSTHROUGH bool "XAPIC mode pass-through" depends on !X2APIC help If XAPIC mode is enabled, it will avoid remapping all interrupts. config INTEL_VTD_ICTL_NO_SRC_ID_CHECK bool "Never check the source id" help Disable the source id check in IRTE. config INTEL_VTD_ICTL_INIT_PRIORITY int "Initialization priority" default 40 help This device should be initialized as soon as possible, before any other device that would require it for MSI/MSI-X multi-vector support. endif # INTEL_VTD_ICTL