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qemu/virtio: virtio save/load bindings

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Implement bindings for virtio save/load. Use them in virtio pci.

Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
Signed-off-by: Anthony Liguori <aliguori@us.ibm.com>
This commit is contained in:
Michael S. Tsirkin 2009-06-21 19:50:40 +03:00 • committed by Anthony Liguori
parent aba800a3ff
commit ff24bd589c
3 changed files with 65 additions and 18 deletions
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46
hw/virtio-pci.c
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@ -105,6 +105,46 @@ static void virtio_pci_notify(void *opaque, uint16_t vector)
qemu_set_irq(proxy->pci_dev.irq[0], proxy->vdev->isr & 1);
}
static void virtio_pci_save_config(void * opaque, QEMUFile *f)
{
VirtIOPCIProxy *proxy = opaque;
pci_device_save(&proxy->pci_dev, f);
msix_save(&proxy->pci_dev, f);
if (msix_present(&proxy->pci_dev))
qemu_put_be16(f, proxy->vdev->config_vector);
}
static void virtio_pci_save_queue(void * opaque, int n, QEMUFile *f)
{
VirtIOPCIProxy *proxy = opaque;
if (msix_present(&proxy->pci_dev))
qemu_put_be16(f, virtio_queue_vector(proxy->vdev, n));
}
static int virtio_pci_load_config(void * opaque, QEMUFile *f)
{
VirtIOPCIProxy *proxy = opaque;
int ret;
ret = pci_device_load(&proxy->pci_dev, f);
if (ret)
return ret;
msix_load(&proxy->pci_dev, f);
if (msix_present(&proxy->pci_dev))
qemu_get_be16s(f, &proxy->vdev->config_vector);
return 0;
}
static int virtio_pci_load_queue(void * opaque, int n, QEMUFile *f)
{
VirtIOPCIProxy *proxy = opaque;
uint16_t vector;
if (!msix_present(&proxy->pci_dev))
return 0;
qemu_get_be16s(f, &vector);
virtio_queue_set_vector(proxy->vdev, n, vector);
return 0;
}
static void virtio_pci_reset(void *opaque)
{
VirtIOPCIProxy *proxy = opaque;
@ -319,7 +359,11 @@ static void virtio_write_config(PCIDevice *pci_dev, uint32_t address,
}
static const VirtIOBindings virtio_pci_bindings = {
.notify = virtio_pci_notify
.notify = virtio_pci_notify,
.save_config = virtio_pci_save_config,
.load_config = virtio_pci_load_config,
.save_queue = virtio_pci_save_queue,
.load_queue = virtio_pci_load_queue,
};
static void virtio_init_pci(VirtIOPCIProxy *proxy, VirtIODevice *vdev,