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hw/arm/virt-acpi-build.c: Migrate virtio creation to common location 

RISC-V also needs to create the virtio in DSDT in the same way as ARM.
So, instead of duplicating the code, move this function to the device
specific file which is common across architectures.

Suggested-by: Igor Mammedov <imammedo@redhat.com>
Signed-off-by: Sunil V L <sunilvl@ventanamicro.com>
Reviewed-by: Alistair Francis <alistair.francis@wdc.com>
Reviewed-by: Andrew Jones <ajones@ventanamicro.com>
Acked-by: Michael S. Tsirkin <mst@redhat.com>
Message-ID: <20231218150247.466427-3-sunilvl@ventanamicro.com>
Signed-off-by: Alistair Francis <alistair.francis@wdc.com>
master
Sunil V L 2023-12-18 20:32:36 +05:30 committed by Alistair Francis
parent 4c7f4f4f05
commit 57ba843628
4 changed files with 54 additions and 28 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

32
hw/arm/virt-acpi-build.c
View File

@ -58,6 +58,7 @@
#include "migration/vmstate.h"
#include "hw/acpi/ghes.h"
#include "hw/acpi/viot.h"
#include "hw/virtio/virtio-acpi.h"
#define ARM_SPI_BASE 32
@ -118,32 +119,6 @@ static void acpi_dsdt_add_flash(Aml *scope, const MemMapEntry *flash_memmap)
aml_append(scope, dev);
}
static void acpi_dsdt_add_virtio(Aml *scope,
const MemMapEntry *virtio_mmio_memmap,
uint32_t mmio_irq, int num)
{
hwaddr base = virtio_mmio_memmap->base;
hwaddr size = virtio_mmio_memmap->size;
int i;
for (i = 0; i < num; i++) {
uint32_t irq = mmio_irq + i;
Aml *dev = aml_device("VR%02u", i);
aml_append(dev, aml_name_decl("_HID", aml_string("LNRO0005")));
aml_append(dev, aml_name_decl("_UID", aml_int(i)));
aml_append(dev, aml_name_decl("_CCA", aml_int(1)));
Aml *crs = aml_resource_template();
aml_append(crs, aml_memory32_fixed(base, size, AML_READ_WRITE));
aml_append(crs,
aml_interrupt(AML_CONSUMER, AML_LEVEL, AML_ACTIVE_HIGH,
AML_EXCLUSIVE, &irq, 1));
aml_append(dev, aml_name_decl("_CRS", crs));
aml_append(scope, dev);
base += size;
}
}
static void acpi_dsdt_add_pci(Aml *scope, const MemMapEntry *memmap,
uint32_t irq, VirtMachineState *vms)
{
@ -850,8 +825,9 @@ build_dsdt(GArray *table_data, BIOSLinker *linker, VirtMachineState *vms)
acpi_dsdt_add_flash(scope, &memmap[VIRT_FLASH]);
}
fw_cfg_acpi_dsdt_add(scope, &memmap[VIRT_FW_CFG]);
acpi_dsdt_add_virtio(scope, &memmap[VIRT_MMIO],
(irqmap[VIRT_MMIO] + ARM_SPI_BASE), NUM_VIRTIO_TRANSPORTS);
virtio_acpi_dsdt_add(scope, memmap[VIRT_MMIO].base, memmap[VIRT_MMIO].size,
(irqmap[VIRT_MMIO] + ARM_SPI_BASE),
0, NUM_VIRTIO_TRANSPORTS);
acpi_dsdt_add_pci(scope, memmap, irqmap[VIRT_PCIE] + ARM_SPI_BASE, vms);
if (vms->acpi_dev) {
build_ged_aml(scope, "\\_SB."GED_DEVICE,

1
hw/virtio/meson.build
View File

@ -77,3 +77,4 @@ system_ss.add(when: 'CONFIG_VIRTIO', if_false: files('virtio-stub.c'))
system_ss.add(files('virtio-hmp-cmds.c'))
specific_ss.add_all(when: 'CONFIG_VIRTIO', if_true: specific_virtio_ss)
system_ss.add(when: 'CONFIG_ACPI', if_true: files('virtio-acpi.c'))

33
hw/virtio/virtio-acpi.c Normal file
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@ -0,0 +1,33 @@
// SPDX-License-Identifier: GPL-2.0+
/*
* virtio ACPI Support
*
*/
#include "hw/virtio/virtio-acpi.h"
#include "hw/acpi/aml-build.h"
void virtio_acpi_dsdt_add(Aml *scope, const hwaddr base, const hwaddr size,
uint32_t mmio_irq, long int start_index, int num)
{
hwaddr virtio_base = base;
uint32_t irq = mmio_irq;
long int i;
for (i = start_index; i < start_index + num; i++) {
Aml *dev = aml_device("VR%02u", (unsigned)i);
aml_append(dev, aml_name_decl("_HID", aml_string("LNRO0005")));
aml_append(dev, aml_name_decl("_UID", aml_int(i)));
aml_append(dev, aml_name_decl("_CCA", aml_int(1)));
Aml *crs = aml_resource_template();
aml_append(crs, aml_memory32_fixed(virtio_base, size, AML_READ_WRITE));
aml_append(crs,
aml_interrupt(AML_CONSUMER, AML_LEVEL, AML_ACTIVE_HIGH,
AML_EXCLUSIVE, &irq, 1));
aml_append(dev, aml_name_decl("_CRS", crs));
aml_append(scope, dev);
virtio_base += size;
irq++;
}
}

16
include/hw/virtio/virtio-acpi.h Normal file
View File

@ -0,0 +1,16 @@
/* SPDX-License-Identifier: GPL-2.0+ */
/*
* ACPI support for virtio
*/
#ifndef VIRTIO_ACPI_H
#define VIRTIO_ACPI_H
#include "qemu/osdep.h"
#include "exec/hwaddr.h"
void virtio_acpi_dsdt_add(Aml *scope, const hwaddr virtio_mmio_base,
const hwaddr virtio_mmio_size, uint32_t mmio_irq,
long int start_index, int num);
#endif