aboutsummaryrefslogtreecommitdiff
diff options
context:
space:
mode:
-rw-r--r--hw/acpi/pci.c39
-rw-r--r--include/hw/acpi/acpi-defs.h18
2 files changed, 27 insertions, 30 deletions
diff --git a/hw/acpi/pci.c b/hw/acpi/pci.c
index fa0fa30bb9..9510597a19 100644
--- a/hw/acpi/pci.c
+++ b/hw/acpi/pci.c
@@ -30,17 +30,32 @@
void build_mcfg(GArray *table_data, BIOSLinker *linker, AcpiMcfgInfo *info)
{
- AcpiTableMcfg *mcfg;
- int len = sizeof(*mcfg) + sizeof(mcfg->allocation[0]);
-
- mcfg = acpi_data_push(table_data, len);
- mcfg->allocation[0].address = cpu_to_le64(info->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 = PCIE_MMCFG_BUS(info->size - 1);
-
- build_header(linker, table_data, (void *)mcfg, "MCFG", len, 1, NULL, NULL);
+ int mcfg_start = table_data->len;
+
+ /*
+ * PCI Firmware Specification, Revision 3.0
+ * 4.1.2 MCFG Table Description.
+ */
+ acpi_data_push(table_data, sizeof(AcpiTableHeader));
+ /* Reserved */
+ build_append_int_noprefix(table_data, 0, 8);
+
+ /*
+ * Memory Mapped Enhanced Configuration Space Base Address Allocation
+ * Structure
+ */
+ /* Base address, processor-relative */
+ build_append_int_noprefix(table_data, info->base, 8);
+ /* PCI segment group number */
+ build_append_int_noprefix(table_data, 0, 2);
+ /* Starting PCI Bus number */
+ build_append_int_noprefix(table_data, 0, 1);
+ /* Final PCI Bus number */
+ build_append_int_noprefix(table_data, PCIE_MMCFG_BUS(info->size - 1), 1);
+ /* Reserved */
+ build_append_int_noprefix(table_data, 0, 4);
+
+ build_header(linker, table_data, (void *)(table_data->data + mcfg_start),
+ "MCFG", table_data->len - mcfg_start, 1, NULL, NULL);
}
diff --git a/include/hw/acpi/acpi-defs.h b/include/hw/acpi/acpi-defs.h
index f9aa4bd398..57a3f58b0c 100644
--- a/include/hw/acpi/acpi-defs.h
+++ b/include/hw/acpi/acpi-defs.h
@@ -449,24 +449,6 @@ struct AcpiSratProcessorGiccAffinity {
typedef struct AcpiSratProcessorGiccAffinity AcpiSratProcessorGiccAffinity;
-/* PCI fw r3.0 MCFG table. */
-/* Subtable */
-struct AcpiMcfgAllocation {
- uint64_t address; /* Base address, processor-relative */
- uint16_t pci_segment; /* PCI segment group number */
- uint8_t start_bus_number; /* Starting PCI Bus number */
- uint8_t end_bus_number; /* Final PCI Bus number */
- uint32_t reserved;
-} QEMU_PACKED;
-typedef struct AcpiMcfgAllocation AcpiMcfgAllocation;
-
-struct AcpiTableMcfg {
- ACPI_TABLE_HEADER_DEF;
- uint8_t reserved[8];
- AcpiMcfgAllocation allocation[0];
-} QEMU_PACKED;
-typedef struct AcpiTableMcfg AcpiTableMcfg;
-
/*
* TCPA Description Table
*