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hw/arm/virt-acpi-build: Add GICv2m description in ACPI MADT table 

Add GICv2m description in ACPI MADT table, so guest can use MSI when
booting with ACPI.

Signed-off-by: Shannon Zhao <zhaoshenglong@huawei.com>
Signed-off-by: Shannon Zhao <shannon.zhao@linaro.org>
Reviewed-by: Andrew Jones <drjones@redhat.com>
Tested-by: Andrew Jones <drjones@redhat.com>
Message-id: 1434676210-2276-1-git-send-email-shannon.zhao@linaro.org
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
This commit is contained in:
Shannon Zhao 2015-06-26 14:22:36 +01:00 committed by Peter Maydell
parent d0652b5765
commit ca79373653
2 changed files with 23 additions and 0 deletions
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11
hw/arm/virt-acpi-build.c
View File

@ -423,8 +423,10 @@ build_madt(GArray *table_data, GArray *linker, VirtGuestInfo *guest_info,
{
int madt_start = table_data->len;
const MemMapEntry *memmap = guest_info->memmap;
const int *irqmap = guest_info->irqmap;
AcpiMultipleApicTable *madt;
AcpiMadtGenericDistributor *gicd;
AcpiMadtGenericMsiFrame *gic_msi;
int i;
madt = acpi_data_push(table_data, sizeof *madt);
@ -448,6 +450,15 @@ build_madt(GArray *table_data, GArray *linker, VirtGuestInfo *guest_info,
gicd->length = sizeof(*gicd);
gicd->base_address = memmap[VIRT_GIC_DIST].base;
gic_msi = acpi_data_push(table_data, sizeof *gic_msi);
gic_msi->type = ACPI_APIC_GENERIC_MSI_FRAME;
gic_msi->length = sizeof(*gic_msi);
gic_msi->gic_msi_frame_id = 0;
gic_msi->base_address = cpu_to_le64(memmap[VIRT_GIC_V2M].base);
gic_msi->flags = cpu_to_le32(1);
gic_msi->spi_count = cpu_to_le16(NUM_GICV2M_SPIS);
gic_msi->spi_base = cpu_to_le16(irqmap[VIRT_GIC_V2M] + ARM_SPI_BASE);
build_header(linker, table_data,
(void *)(table_data->data + madt_start), "APIC",
table_data->len - madt_start, 3);

12
include/hw/acpi/acpi-defs.h
View File

@ -372,6 +372,18 @@ struct AcpiMadtGenericDistributor {
typedef struct AcpiMadtGenericDistributor AcpiMadtGenericDistributor;
struct AcpiMadtGenericMsiFrame {
ACPI_SUB_HEADER_DEF
uint16_t reserved;
uint32_t gic_msi_frame_id;
uint64_t base_address;
uint32_t flags;
uint16_t spi_count;
uint16_t spi_base;
} QEMU_PACKED;
typedef struct AcpiMadtGenericMsiFrame AcpiMadtGenericMsiFrame;
/*
* Generic Timer Description Table (GTDT)
*/