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hv: Enumerate IOAPIC info from MADT

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IOAPIC info, specifically ID, is needed to map the IOAPIC to
corresponding DMAR. DMAR table in ACPI has a field that has IOAPIC
ID, that matches the info provided in MADT. Both (IOAPIC info from
MADT and from DMAR) is needed for remapping IOAPIC interrupts.

Tracked-On: #2426
Signed-off-by: Sainath Grandhi <sainath.grandhi@intel.com>
Acked-by: Anthony Xu <anthony.xu@intel.com>
This commit is contained in:
Grandhi, Sainath
2019-01-26 00:04:47 -08:00
committed by Eddie Dong
parent fb6e9267f3
commit 4ff9f5dfb2
8 changed files with 101 additions and 11 deletions
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5
hypervisor/arch/x86/Kconfig
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@@ -324,6 +324,11 @@ config RELOC
wherever appropriate. Without relocation the bootloader must put the
image to RAM_START, otherwise the hypervisor will not start up.
config MAX_IOAPIC_NUM
int "Maximum number of IO-APICs"
range 1 8
default 1
config IOMMU_BUS_NUM
hex "Highest PCI bus ID used during IOMMU initialization"
default 0x10 if PLATFORM_SBL