From ff24bd589c657ad82ae0f151c4906f120a91f6f3 Mon Sep 17 00:00:00 2001 From: "Michael S. Tsirkin" Date: Sun, 21 Jun 2009 19:50:40 +0300 Subject: qemu/virtio: virtio save/load bindings Implement bindings for virtio save/load. Use them in virtio pci. Signed-off-by: Michael S. Tsirkin Signed-off-by: Anthony Liguori --- hw/virtio-pci.c | 46 +++++++++++++++++++++++++++++++++++++++++++++- 1 file changed, 45 insertions(+), 1 deletion(-) (limited to 'hw/virtio-pci.c') diff --git a/hw/virtio-pci.c b/hw/virtio-pci.c index f4bc152..51c7a60 100644 --- a/hw/virtio-pci.c +++ b/hw/virtio-pci.c @@ -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, -- cgit v1.1