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authorShannon Zhao <shannon.zhao@linaro.org>2016-10-04 13:28:09 +0100
committerPeter Maydell <peter.maydell@linaro.org>2016-10-04 13:28:09 +0100
commit13e5c54d30312aef7ac7a265209e39f4655be211 (patch)
tree679b5040a70f0514f17161dfae1eed35c6197219
parent1c2e4ea7b645a127ee6d13a7072f6669d4d826c7 (diff)
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: 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>
-rw-r--r--hw/arm/virt-acpi-build.c12
1 files changed, 12 insertions, 0 deletions
diff --git a/hw/arm/virt-acpi-build.c b/hw/arm/virt-acpi-build.c
index 295ec86828..7b39b1d2d6 100644
--- a/hw/arm/virt-acpi-build.c
+++ b/hw/arm/virt-acpi-build.c
@@ -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;