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[Qemu-devel] [PATCH v4 12/20] hw/arm/virt-acpi-build: Add PCIe info and
From: |
Shannon Zhao |
Subject: |
[Qemu-devel] [PATCH v4 12/20] hw/arm/virt-acpi-build: Add PCIe info and generate MCFG table |
Date: |
Fri, 3 Apr 2015 18:03:44 +0800 |
From: Shannon Zhao <address@hidden>
Add PCIe info struct, prepare for building PCIe table.
And generate MCFG table.
Signed-off-by: Shannon Zhao <address@hidden>
Signed-off-by: Shannon Zhao <address@hidden>
---
hw/arm/virt-acpi-build.c | 21 +++++++++++++++++++++
include/hw/arm/virt-acpi-build.h | 12 ++++++++++++
2 files changed, 33 insertions(+)
diff --git a/hw/arm/virt-acpi-build.c b/hw/arm/virt-acpi-build.c
index dd5538b..a979582 100644
--- a/hw/arm/virt-acpi-build.c
+++ b/hw/arm/virt-acpi-build.c
@@ -229,6 +229,24 @@ build_rsdt(GArray *table_data, GArray *linker, GArray
*table_offsets)
(void *)rsdt, "RSDT", rsdt_len, 1);
}
+static void
+build_mcfg(GArray *table_data, GArray *linker, VirtGuestInfo *guest_info)
+{
+ AcpiTableMcfg *mcfg;
+ acpi_pcie_info *info = guest_info->pcie_info;
+ int len = sizeof(*mcfg) + 1 * sizeof(mcfg->allocation[0]);
+
+ mcfg = acpi_data_push(table_data, len);
+ mcfg->allocation[0].address = cpu_to_le64(info->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 = info->nr_pcie_buses - 1;
+
+ build_header(linker, table_data, (void *)mcfg, "MCFG", len, 1);
+}
+
/* GTDT */
static void
build_gtdt(GArray *table_data, GArray *linker, VirtGuestInfo *guest_info)
@@ -401,6 +419,9 @@ void virt_acpi_build(VirtGuestInfo *guest_info,
AcpiBuildTables *tables)
acpi_add_table(table_offsets, tables_blob);
build_gtdt(tables_blob, tables->linker, guest_info);
+ 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);
diff --git a/include/hw/arm/virt-acpi-build.h b/include/hw/arm/virt-acpi-build.h
index 2780856..d534489 100644
--- a/include/hw/arm/virt-acpi-build.h
+++ b/include/hw/arm/virt-acpi-build.h
@@ -47,6 +47,17 @@ typedef struct acpi_dsdt_info {
const hwaddr *flash_addr;
} acpi_dsdt_info;
+typedef struct acpi_pcie_info {
+ const int *pcie_irq;
+ hwaddr pcie_mmio_base;
+ hwaddr pcie_mmio_size;
+ hwaddr pcie_ioport_base;
+ hwaddr pcie_ioport_size;
+ hwaddr pcie_ecam_base;
+ hwaddr pcie_ecam_size;
+ int nr_pcie_buses;
+} acpi_pcie_info;
+
typedef struct VirtGuestInfo {
int smp_cpus;
int max_cpus;
@@ -54,6 +65,7 @@ typedef struct VirtGuestInfo {
acpi_madt_info *madt_info;
acpi_dsdt_info *dsdt_info;
acpi_gtdt_info *gtdt_info;
+ acpi_pcie_info *pcie_info;
} VirtGuestInfo;
--
2.0.4
- Re: [Qemu-devel] [PATCH v4 04/20] hw/acpi/aml-build: Add aml_memory32_fixed() term, (continued)
[Qemu-devel] [PATCH v4 12/20] hw/arm/virt-acpi-build: Add PCIe info and generate MCFG table,
Shannon Zhao <=
[Qemu-devel] [PATCH v4 16/20] hw/acpi/aml-build: Add aml_else() term, Shannon Zhao, 2015/04/03
[Qemu-devel] [PATCH v4 03/20] hw/arm/virt-acpi-build: Basic framework for building ACPI tables on ARM, Shannon Zhao, 2015/04/03