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ARM: Virt: ACPI: Add GIC ITS description in ACPI MADT table

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If GIC ITS is supported, add description in ACPI MADT table, then guest
could use ITS when booting with ACPI.

Signed-off-by: Shannon Zhao <shannon.zhao@linaro.org>
Signed-off-by: Eric Auger <eric.auger@redhat.com>
Message-id: 1474616617-366-9-git-send-email-eric.auger@redhat.com
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
This commit is contained in:
Shannon Zhao 2016-10-04 13:28:09 +01:00 committed by Peter Maydell
parent 1c2e4ea7b6
commit 13e5c54d30
1 changed files with 12 additions and 0 deletions
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12
hw/arm/virt-acpi-build.c
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@ -44,6 +44,7 @@
#include "hw/pci/pcie_host.h"
#include "hw/pci/pci.h"
#include "sysemu/numa.h"
#include "kvm_arm.h"
#define ARM_SPI_BASE 32
#define ACPI_POWER_BUTTON_DEVICE "PWRB"
@ -546,6 +547,7 @@ build_madt(GArray *table_data, BIOSLinker *linker, VirtGuestInfo *guest_info)
}
if (guest_info->gic_version == 3) {
AcpiMadtGenericTranslator *gic_its;
AcpiMadtGenericRedistributor *gicr = acpi_data_push(table_data,
sizeof *gicr);
@ -553,6 +555,16 @@ build_madt(GArray *table_data, BIOSLinker *linker, VirtGuestInfo *guest_info)
gicr->length = sizeof(*gicr);
gicr->base_address = cpu_to_le64(memmap[VIRT_GIC_REDIST].base);
gicr->range_length = cpu_to_le32(memmap[VIRT_GIC_REDIST].size);
if (!its_class_name()) {
return;
}
gic_its = acpi_data_push(table_data, sizeof *gic_its);
gic_its->type = ACPI_APIC_GENERIC_TRANSLATOR;
gic_its->length = sizeof(*gic_its);
gic_its->translation_id = 0;
gic_its->base_address = cpu_to_le64(memmap[VIRT_GIC_ITS].base);
} else {
gic_msi = acpi_data_push(table_data, sizeof *gic_msi);
gic_msi->type = ACPI_APIC_GENERIC_MSI_FRAME;