[PATCH v2 02/12] hw/arm/virt-acpi-build.c: Migrate virtio creation to common location

[Sunil V L]

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>
---
 hw/arm/virt-acpi-build.c        | 29 ++---------------------------
 hw/virtio/meson.build           |  1 +
 hw/virtio/virtio-acpi.c         | 28 ++++++++++++++++++++++++++++
 include/hw/virtio/virtio-acpi.h | 11 +++++++++++
 4 files changed, 42 insertions(+), 27 deletions(-)
 create mode 100644 hw/virtio/virtio-acpi.c
 create mode 100644 include/hw/virtio/virtio-acpi.h

diff --git a/hw/arm/virt-acpi-build.c b/hw/arm/virt-acpi-build.c
index b8e725d953..69733f6663 100644
--- a/hw/arm/virt-acpi-build.c
+++ b/hw/arm/virt-acpi-build.c
@@ -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)
 {
@@ -850,7 +825,7 @@ 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],
+    virtio_acpi_dsdt_add(scope, &memmap[VIRT_MMIO],
                     (irqmap[VIRT_MMIO] + ARM_SPI_BASE), NUM_VIRTIO_TRANSPORTS);
     acpi_dsdt_add_pci(scope, memmap, irqmap[VIRT_PCIE] + ARM_SPI_BASE, vms);
     if (vms->acpi_dev) {
diff --git a/hw/virtio/meson.build b/hw/virtio/meson.build
index 13e7c6c272..3ae1242bcf 100644
--- a/hw/virtio/meson.build
+++ b/hw/virtio/meson.build
@@ -75,3 +75,4 @@ system_ss.add(when: 'CONFIG_ALL', if_true: 
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'))
diff --git a/hw/virtio/virtio-acpi.c b/hw/virtio/virtio-acpi.c
new file mode 100644
index 0000000000..977499defd
--- /dev/null
+++ b/hw/virtio/virtio-acpi.c
@@ -0,0 +1,28 @@
+#include "hw/virtio/virtio-acpi.h"
+#include "hw/acpi/aml-build.h"
+
+void virtio_acpi_dsdt_add(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;
+    }
+}
diff --git a/include/hw/virtio/virtio-acpi.h b/include/hw/virtio/virtio-acpi.h
new file mode 100644
index 0000000000..b8687b1b42
--- /dev/null
+++ b/include/hw/virtio/virtio-acpi.h
@@ -0,0 +1,11 @@
+#ifndef VIRTIO_ACPI_H
+#define VIRTIO_ACPI_H
+
+#include "qemu/osdep.h"
+#include "exec/hwaddr.h"
+
+void virtio_acpi_dsdt_add(Aml *scope, const MemMapEntry *virtio_mmio_memmap,
+                          uint32_t mmio_irq, int num);
+
+#endif
+
-- 
2.39.2