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virtio-pci: add virtio_pci_modern_regions_init()

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Add init function for the modern pci regions,
move over the init code.

Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>
Reviewed-by: Michael S. Tsirkin <mst@redhat.com>
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
This commit is contained in:
Gerd Hoffmann 2015-06-04 12:34:34 +02:00 committed by Michael S. Tsirkin
parent 588255ad50
commit 1141ce2190
1 changed files with 59 additions and 58 deletions
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117
hw/virtio/virtio-pci.c
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@ -1208,6 +1208,64 @@ static void virtio_pci_device_write(void *opaque, hwaddr addr,
}
}
static void virtio_pci_modern_regions_init(VirtIOPCIProxy *proxy)
{
static const MemoryRegionOps common_ops = {
.read = virtio_pci_common_read,
.write = virtio_pci_common_write,
.impl = {
.min_access_size = 1,
.max_access_size = 4,
},
.endianness = DEVICE_LITTLE_ENDIAN,
};
static const MemoryRegionOps isr_ops = {
.read = virtio_pci_isr_read,
.write = virtio_pci_isr_write,
.impl = {
.min_access_size = 1,
.max_access_size = 4,
},
.endianness = DEVICE_LITTLE_ENDIAN,
};
static const MemoryRegionOps device_ops = {
.read = virtio_pci_device_read,
.write = virtio_pci_device_write,
.impl = {
.min_access_size = 1,
.max_access_size = 4,
},
.endianness = DEVICE_LITTLE_ENDIAN,
};
static const MemoryRegionOps notify_ops = {
.read = virtio_pci_notify_read,
.write = virtio_pci_notify_write,
.impl = {
.min_access_size = 1,
.max_access_size = 4,
},
.endianness = DEVICE_LITTLE_ENDIAN,
};
memory_region_init_io(&proxy->common.mr, OBJECT(proxy),
&common_ops,
proxy,
"virtio-pci-common", 0x1000);
memory_region_init_io(&proxy->isr.mr, OBJECT(proxy),
&isr_ops,
proxy,
"virtio-pci-isr", 0x1000);
memory_region_init_io(&proxy->device.mr, OBJECT(proxy),
&device_ops,
virtio_bus_get_device(&proxy->bus),
"virtio-pci-device", 0x1000);
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_QUEUE_MAX);
}
/* This is called by virtio-bus just after the device is plugged. */
static void virtio_pci_device_plugged(DeviceState *d, Error **errp)
@ -1290,46 +1348,6 @@ static void virtio_pci_device_plugged(DeviceState *d, Error **errp)
cpu_to_le32(QEMU_VIRTIO_PCI_QUEUE_MEM_MULT),
};
static const MemoryRegionOps common_ops = {
.read = virtio_pci_common_read,
.write = virtio_pci_common_write,
.impl = {
.min_access_size = 1,
.max_access_size = 4,
},
.endianness = DEVICE_LITTLE_ENDIAN,
};
static const MemoryRegionOps isr_ops = {
.read = virtio_pci_isr_read,
.write = virtio_pci_isr_write,
.impl = {
.min_access_size = 1,
.max_access_size = 4,
},
.endianness = DEVICE_LITTLE_ENDIAN,
};
static const MemoryRegionOps device_ops = {
.read = virtio_pci_device_read,
.write = virtio_pci_device_write,
.impl = {
.min_access_size = 1,
.max_access_size = 4,
},
.endianness = DEVICE_LITTLE_ENDIAN,
};
static const MemoryRegionOps notify_ops = {
.read = virtio_pci_notify_read,
.write = virtio_pci_notify_write,
.impl = {
.min_access_size = 1,
.max_access_size = 4,
},
.endianness = DEVICE_LITTLE_ENDIAN,
};
/* TODO: add io access for speed */
virtio_pci_add_mem_cap(proxy, &common);
virtio_pci_add_mem_cap(proxy, &isr);
@ -1340,28 +1358,11 @@ static void virtio_pci_device_plugged(DeviceState *d, Error **errp)
memory_region_init(&proxy->modern_bar, OBJECT(proxy), "virtio-pci",
2 * QEMU_VIRTIO_PCI_QUEUE_MEM_MULT *
VIRTIO_QUEUE_MAX);
memory_region_init_io(&proxy->common.mr, OBJECT(proxy),
&common_ops,
proxy,
"virtio-pci-common", 0x1000);
virtio_pci_modern_regions_init(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.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.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_QUEUE_MAX);
memory_region_add_subregion(&proxy->modern_bar, 0x3000,
&proxy->notify.mr);
pci_register_bar(&proxy->pci_dev, modern_mem_bar,