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virtio-pci: move virtio_pci_add_mem_cap call to virtio_pci_modern_region_map 

Also fill offset and length automatically,
from VirtIOPCIRegion->offset and region size.

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 12:34:36 +02:00 committed by Michael S. Tsirkin
parent a3cc2e8159
commit 54790d71e4
1 changed files with 10 additions and 18 deletions
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28
hw/virtio/virtio-pci.c
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@ -1275,11 +1275,16 @@ static void virtio_pci_modern_regions_init(VirtIOPCIProxy *proxy)
}
static void virtio_pci_modern_region_map(VirtIOPCIProxy *proxy,
VirtIOPCIRegion *region)
VirtIOPCIRegion *region,
struct virtio_pci_cap *cap)
{
memory_region_add_subregion(&proxy->modern_bar,
region->offset,
&region->mr);
cap->offset = cpu_to_le32(region->offset);
cap->length = cpu_to_le32(memory_region_size(&region->mr));
virtio_pci_add_mem_cap(proxy, cap);
}
/* This is called by virtio-bus just after the device is plugged. */
@ -1335,49 +1340,36 @@ static void virtio_pci_device_plugged(DeviceState *d, Error **errp)
.cfg_type = VIRTIO_PCI_CAP_COMMON_CFG,
.cap_len = sizeof common,
.bar = modern_mem_bar,
.offset = cpu_to_le32(0x0),
.length = cpu_to_le32(0x1000),
};
struct virtio_pci_cap isr = {
.cfg_type = VIRTIO_PCI_CAP_ISR_CFG,
.cap_len = sizeof isr,
.bar = modern_mem_bar,
.offset = cpu_to_le32(0x1000),
.length = cpu_to_le32(0x1000),
};
struct virtio_pci_cap device = {
.cfg_type = VIRTIO_PCI_CAP_DEVICE_CFG,
.cap_len = sizeof device,
.bar = modern_mem_bar,
.offset = cpu_to_le32(0x2000),
.length = cpu_to_le32(0x1000),
};
struct virtio_pci_notify_cap notify = {
.cap.cfg_type = VIRTIO_PCI_CAP_NOTIFY_CFG,
.cap.cap_len = sizeof notify,
.cap.bar = modern_mem_bar,
.cap.offset = cpu_to_le32(0x3000),
.cap.length = cpu_to_le32(QEMU_VIRTIO_PCI_QUEUE_MEM_MULT *
VIRTIO_QUEUE_MAX),
.notify_off_multiplier =
cpu_to_le32(QEMU_VIRTIO_PCI_QUEUE_MEM_MULT),
};
/* TODO: add io access for speed */
virtio_pci_add_mem_cap(proxy, &common);
virtio_pci_add_mem_cap(proxy, &isr);
virtio_pci_add_mem_cap(proxy, &device);
virtio_pci_add_mem_cap(proxy, &notify.cap);
virtio_add_feature(&vdev->host_features, VIRTIO_F_VERSION_1);
memory_region_init(&proxy->modern_bar, OBJECT(proxy), "virtio-pci",
2 * QEMU_VIRTIO_PCI_QUEUE_MEM_MULT *
VIRTIO_QUEUE_MAX);
virtio_pci_modern_regions_init(proxy);
virtio_pci_modern_region_map(proxy, &proxy->common);
virtio_pci_modern_region_map(proxy, &proxy->isr);
virtio_pci_modern_region_map(proxy, &proxy->device);
virtio_pci_modern_region_map(proxy, &proxy->notify);
virtio_pci_modern_region_map(proxy, &proxy->common, &common);
virtio_pci_modern_region_map(proxy, &proxy->isr, &isr);
virtio_pci_modern_region_map(proxy, &proxy->device, &device);
virtio_pci_modern_region_map(proxy, &proxy->notify, &notify.cap);
pci_register_bar(&proxy->pci_dev, modern_mem_bar,
PCI_BASE_ADDRESS_SPACE_MEMORY |
PCI_BASE_ADDRESS_MEM_PREFETCH |