[Qemu-devel] [PATCH 1/9] virtio: add struct VirtIOPCIRegion for virtio-1 regions

[Gerd Hoffmann <kraxel@redhat.com>]

For now just place the MemoryRegion there,
following patches will add more.

Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>
---
 hw/virtio/virtio-pci.c | 18 ++++++++++--------
 hw/virtio/virtio-pci.h | 12 ++++++++----
 2 files changed, 18 insertions(+), 12 deletions(-)

diff --git a/hw/virtio/virtio-pci.c b/hw/virtio/virtio-pci.c
index 4c653fe..9c84f5a 100644
--- a/hw/virtio/virtio-pci.c
+++ b/hw/virtio/virtio-pci.c
@@ -1307,28 +1307,30 @@ static void virtio_pci_device_plugged(DeviceState *d)
         memory_region_init(&proxy->modern_bar, OBJECT(proxy), "virtio-pci",
                            2 * QEMU_VIRTIO_PCI_QUEUE_MEM_MULT *
                            VIRTIO_PCI_QUEUE_MAX);
-        memory_region_init_io(&proxy->common, OBJECT(proxy),
+        memory_region_init_io(&proxy->common.mr, OBJECT(proxy),
                               &common_ops,
                               proxy,
                               "virtio-pci-common", 0x1000);
-        memory_region_add_subregion(&proxy->modern_bar, 0, &proxy->common);
-        memory_region_init_io(&proxy->isr, OBJECT(proxy),
+        memory_region_add_subregion(&proxy->modern_bar, 0, &proxy->common.mr);
+        memory_region_init_io(&proxy->isr.mr, OBJECT(proxy),
                               &isr_ops,
                               proxy,
                               "virtio-pci-isr", 0x1000);
-        memory_region_add_subregion(&proxy->modern_bar, 0x1000, &proxy->isr);
-        memory_region_init_io(&proxy->device, OBJECT(proxy),
+        memory_region_add_subregion(&proxy->modern_bar, 0x1000, &proxy->isr.mr);
+        memory_region_init_io(&proxy->device.mr, OBJECT(proxy),
                               &device_ops,
                               virtio_bus_get_device(&proxy->bus),
                               "virtio-pci-device", 0x1000);
-        memory_region_add_subregion(&proxy->modern_bar, 0x2000, &proxy->device);
-        memory_region_init_io(&proxy->notify, OBJECT(proxy),
+        memory_region_add_subregion(&proxy->modern_bar, 0x2000,
+                                    &proxy->device.mr);
+        memory_region_init_io(&proxy->notify.mr, OBJECT(proxy),
                               &notify_ops,
                               virtio_bus_get_device(&proxy->bus),
                               "virtio-pci-notify",
                               QEMU_VIRTIO_PCI_QUEUE_MEM_MULT *
                               VIRTIO_PCI_QUEUE_MAX);
-        memory_region_add_subregion(&proxy->modern_bar, 0x3000, &proxy->notify);
+        memory_region_add_subregion(&proxy->modern_bar, 0x3000,
+                                    &proxy->notify.mr);
         pci_register_bar(&proxy->pci_dev, modern_mem_bar,
                          PCI_BASE_ADDRESS_SPACE_MEMORY |
                          PCI_BASE_ADDRESS_MEM_PREFETCH |
diff --git a/hw/virtio/virtio-pci.h b/hw/virtio/virtio-pci.h
index efe8d31..6c717cf 100644
--- a/hw/virtio/virtio-pci.h
+++ b/hw/virtio/virtio-pci.h
@@ -93,13 +93,17 @@ typedef struct VirtioPCIClass {
     void (*realize)(VirtIOPCIProxy *vpci_dev, Error **errp);
 } VirtioPCIClass;
 
+typedef struct VirtIOPCIRegion {
+    MemoryRegion mr;
+} VirtIOPCIRegion;
+
 struct VirtIOPCIProxy {
     PCIDevice pci_dev;
     MemoryRegion bar;
-    MemoryRegion common;
-    MemoryRegion isr;
-    MemoryRegion device;
-    MemoryRegion notify;
+    VirtIOPCIRegion common;
+    VirtIOPCIRegion isr;
+    VirtIOPCIRegion device;
+    VirtIOPCIRegion notify;
     MemoryRegion modern_bar;
     uint32_t flags;
     uint32_t class_code;
-- 
1.8.3.1