Commit 13e5c54d authored by Shannon Zhao's avatar Shannon Zhao Committed by Peter Maydell
Browse files

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



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

Signed-off-by: default avatarShannon Zhao <shannon.zhao@linaro.org>
Signed-off-by: default avatarEric Auger <eric.auger@redhat.com>
Message-id: 1474616617-366-9-git-send-email-eric.auger@redhat.com
Signed-off-by: default avatarPeter Maydell <peter.maydell@linaro.org>
parent 1c2e4ea7

hw/arm/virt-acpi-build.c

+12 −0
Original line number Diff line number Diff line
@@ -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;