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hw/arm/virt-acpi-build: pass AcpiMcfgInfo to build_mcfg() 

To build MCFG, two information is necessary:

    * bus number
    * base address

Abstract these two information to AcpiMcfgInfo so that build_mcfg and
build_mcfg_q35 will have the same declaration.

Signed-off-by: Wei Yang <richardw.yang@linux.intel.com>
Reviewed-by: Philippe Mathieu-Daudé <philmd@redhat.com>
Reviewed-by: Igor Mammedov <imammedo@redhat.com>

Message-Id: <20190419003053.8260-5-richardw.yang@linux.intel.com>
Reviewed-by: Michael S. Tsirkin <mst@redhat.com>
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
This commit is contained in:
Wei Yang 2019-04-19 08:30:51 +08:00 committed by Michael S. Tsirkin
parent c309434ee9
commit 48cefd94c7
3 changed files with 45 additions and 12 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

18
hw/arm/virt-acpi-build.c
View File

@ -40,6 +40,7 @@
#include "hw/loader.h"
#include "hw/hw.h"
#include "hw/acpi/aml-build.h"
#include "hw/acpi/pci.h"
#include "hw/pci/pcie_host.h"
#include "hw/pci/pci.h"
#include "hw/arm/virt.h"
@ -546,21 +547,18 @@ build_srat(GArray *table_data, BIOSLinker *linker, VirtMachineState *vms)
}
static void
build_mcfg(GArray *table_data, BIOSLinker *linker, VirtMachineState *vms)
build_mcfg(GArray *table_data, BIOSLinker *linker, AcpiMcfgInfo *info)
{
AcpiTableMcfg *mcfg;
const MemMapEntry *memmap = vms->memmap;
int ecam_id = VIRT_ECAM_ID(vms->highmem_ecam);
int len = sizeof(*mcfg) + sizeof(mcfg->allocation[0]);
mcfg = acpi_data_push(table_data, len);
mcfg->allocation[0].address = cpu_to_le64(memmap[ecam_id].base);
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(memmap[ecam_id].size - 1);
mcfg->allocation[0].end_bus_number = PCIE_MMCFG_BUS(info->size - 1);
build_header(linker, table_data, (void *)mcfg, "MCFG", len, 1, NULL, NULL);
}
@ -801,7 +799,13 @@ void virt_acpi_build(VirtMachineState *vms, AcpiBuildTables *tables)
build_gtdt(tables_blob, tables->linker, vms);
acpi_add_table(table_offsets, tables_blob);
build_mcfg(tables_blob, tables->linker, vms);
{
AcpiMcfgInfo mcfg = {
.base = vms->memmap[VIRT_ECAM_ID(vms->highmem_ecam)].base,
.size = vms->memmap[VIRT_ECAM_ID(vms->highmem_ecam)].size,
};
build_mcfg(tables_blob, tables->linker, &mcfg);
}
acpi_add_table(table_offsets, tables_blob);
build_spcr(tables_blob, tables->linker, vms);

6
hw/i386/acpi-build.c
View File

@ -59,6 +59,7 @@
#include "hw/i386/x86-iommu.h"
#include "hw/acpi/aml-build.h"
#include "hw/acpi/pci.h"
#include "qom/qom-qobject.h"
#include "hw/i386/amd_iommu.h"
@ -87,11 +88,6 @@
/* Default IOAPIC ID */
#define ACPI_BUILD_IOAPIC_ID 0x0
typedef struct AcpiMcfgInfo {
uint64_t base;
uint32_t size;
} AcpiMcfgInfo;
typedef struct AcpiPmInfo {
bool s3_disabled;
bool s4_disabled;

33
include/hw/acpi/pci.h Normal file
View File

@ -0,0 +1,33 @@
/*
* Support for generating PCI related ACPI tables and passing them to Guests
*
* Copyright (C) 2006 Fabrice Bellard
* Copyright (C) 2008-2010 Kevin O'Connor <kevin@koconnor.net>
* Copyright (C) 2013-2019 Red Hat Inc
* Copyright (C) 2019 Intel Corporation
*
* Author: Wei Yang <richardw.yang@linux.intel.com>
* Author: Michael S. Tsirkin <mst@redhat.com>
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
* You should have received a copy of the GNU General Public License along
* with this program; if not, see <http://www.gnu.org/licenses/>.
*/
#ifndef HW_ACPI_PCI_H
#define HW_ACPI_PCI_H
typedef struct AcpiMcfgInfo {
uint64_t base;
uint32_t size;
} AcpiMcfgInfo;
#endif