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[Qemu-devel] [RFC PATCH 2/2] ARM: Virt: ACPI: Add GIC ITS description in
From: |
Shannon Zhao |
Subject: |
[Qemu-devel] [RFC PATCH 2/2] ARM: Virt: ACPI: Add GIC ITS description in ACPI MADT table |
Date: |
Sun, 29 Nov 2015 16:22:50 +0800 |
From: Shannon Zhao <address@hidden>
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 <address@hidden>
---
hw/arm/virt-acpi-build.c | 11 +++++++++++
1 file changed, 11 insertions(+)
diff --git a/hw/arm/virt-acpi-build.c b/hw/arm/virt-acpi-build.c
index 3c2c5d6..f200086 100644
--- a/hw/arm/virt-acpi-build.c
+++ b/hw/arm/virt-acpi-build.c
@@ -41,6 +41,7 @@
#include "hw/acpi/aml-build.h"
#include "hw/pci/pcie_host.h"
#include "hw/pci/pci.h"
+#include "kvm_arm.h"
#define ARM_SPI_BASE 32
@@ -440,6 +441,7 @@ build_madt(GArray *table_data, GArray *linker,
VirtGuestInfo *guest_info,
AcpiMultipleApicTable *madt;
AcpiMadtGenericDistributor *gicd;
AcpiMadtGenericMsiFrame *gic_msi;
+ AcpiMadtGenericTranslator *gic_its;
int i;
madt = acpi_data_push(table_data, sizeof *madt);
@@ -475,6 +477,15 @@ build_madt(GArray *table_data, GArray *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;
--
2.0.4