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[Qemu-devel] [PATCH v7 12/23] hw/arm/virt-acpi-build: Generate MCFG tabl
From: |
Shannon Zhao |
Subject: |
[Qemu-devel] [PATCH v7 12/23] hw/arm/virt-acpi-build: Generate MCFG table |
Date: |
Thu, 14 May 2015 17:19:31 +0800 |
From: Shannon Zhao <address@hidden>
Generate MCFG table for PCIe controller.
Signed-off-by: Shannon Zhao <address@hidden>
Signed-off-by: Shannon Zhao <address@hidden>
---
hw/arm/virt-acpi-build.c | 23 +++++++++++++++++++++++
1 file changed, 23 insertions(+)
diff --git a/hw/arm/virt-acpi-build.c b/hw/arm/virt-acpi-build.c
index 19ba69e..80d4e64 100644
--- a/hw/arm/virt-acpi-build.c
+++ b/hw/arm/virt-acpi-build.c
@@ -39,6 +39,7 @@
#include "hw/loader.h"
#include "hw/hw.h"
#include "hw/acpi/aml-build.h"
+#include "hw/pci/pcie_host.h"
typedef struct VirtAcpiCpuInfo {
DECLARE_BITMAP(found_cpus, VIRT_ACPI_CPU_ID_LIMIT);
@@ -180,6 +181,25 @@ build_rsdp(GArray *rsdp_table, GArray *linker, unsigned
rsdt)
return rsdp_table;
}
+static void
+build_mcfg(GArray *table_data, GArray *linker, VirtGuestInfo *guest_info)
+{
+ AcpiTableMcfg *mcfg;
+ const MemMapEntry *memmap = guest_info->memmap;
+ int len = sizeof(*mcfg) + sizeof(mcfg->allocation[0]);
+
+ mcfg = acpi_data_push(table_data, len);
+ mcfg->allocation[0].address = cpu_to_le64(memmap[VIRT_PCIE_ECAM].base);
+
+ /* Only a single allocation so no need to play with segments */
+ mcfg->allocation[0].pci_segment = cpu_to_le16(0);
+ mcfg->allocation[0].start_bus_number = 0;
+ mcfg->allocation[0].end_bus_number = (memmap[VIRT_PCIE_ECAM].size
+ / PCIE_MMCFG_SIZE_MIN) - 1;
+
+ build_header(linker, table_data, (void *)mcfg, "MCFG", len, 5);
+}
+
/* GTDT */
static void
build_gtdt(GArray *table_data, GArray *linker)
@@ -348,6 +368,9 @@ void virt_acpi_build(VirtGuestInfo *guest_info,
AcpiBuildTables *tables)
acpi_add_table(table_offsets, tables_blob);
build_gtdt(tables_blob, tables->linker);
+ acpi_add_table(table_offsets, tables_blob);
+ build_mcfg(tables_blob, tables->linker, guest_info);
+
/* RSDT is pointed to by RSDP */
rsdt = tables_blob->len;
build_rsdt(tables_blob, tables->linker, table_offsets);
--
2.1.0
- Re: [Qemu-devel] [PATCH v7 05/23] hw/acpi/aml-build: Add aml_interrupt() term, (continued)
[Qemu-devel] [PATCH v7 07/23] hw/arm/virt-acpi-build: Generate FADT table and update ACPI headers, Shannon Zhao, 2015/05/14
[Qemu-devel] [PATCH v7 04/23] hw/acpi/aml-build: Add aml_memory32_fixed() term, Shannon Zhao, 2015/05/14
[Qemu-devel] [PATCH v7 03/23] hw/arm/virt-acpi-build: Basic framework for building ACPI tables on ARM, Shannon Zhao, 2015/05/14
[Qemu-devel] [PATCH v7 11/23] hw/arm/virt-acpi-build: Generate RSDP table, Shannon Zhao, 2015/05/14
[Qemu-devel] [PATCH v7 12/23] hw/arm/virt-acpi-build: Generate MCFG table,
Shannon Zhao <=
[Qemu-devel] [PATCH v7 08/23] hw/arm/virt-acpi-build: Generate MADT table, Shannon Zhao, 2015/05/14
[Qemu-devel] [PATCH v7 10/23] hw/arm/virt-acpi-build: Generate RSDT table, Shannon Zhao, 2015/05/14
[Qemu-devel] [PATCH v7 09/23] hw/arm/virt-acpi-build: Generate GTDT table, Shannon Zhao, 2015/05/14
[Qemu-devel] [PATCH v7 17/23] hw/acpi/aml-build: Add aml_else() term, Shannon Zhao, 2015/05/14
[Qemu-devel] [PATCH v7 14/23] hw/acpi/aml-build: Add ToUUID macro, Shannon Zhao, 2015/05/14