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[Qemu-devel] [PATCH v6 8/8] ARM: Virt: ACPI: Add GIC ITS description in
From: |
Eric Auger |
Subject: |
[Qemu-devel] [PATCH v6 8/8] ARM: Virt: ACPI: Add GIC ITS description in ACPI MADT table |
Date: |
Fri, 9 Sep 2016 19:30:37 +0200 |
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 | 12 ++++++++++++
1 file changed, 12 insertions(+)
diff --git a/hw/arm/virt-acpi-build.c b/hw/arm/virt-acpi-build.c
index 28fc59c..42608c8 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;
--
2.5.5
- [Qemu-devel] [PATCH v6 4/8] kvm-all: Pass requester ID to MSI routing functions, (continued)
[Qemu-devel] [PATCH v6 8/8] ARM: Virt: ACPI: Add GIC ITS description in ACPI MADT table,
Eric Auger <=
[Qemu-devel] [PATCH v6 7/8] ACPI: Add GIC Interrupt Translation Service Structure definition, Eric Auger, 2016/09/09
Re: [Qemu-devel] [PATCH v6 0/8] vITS support, Peter Maydell, 2016/09/22