virtio-net.c (259a10dbcb4f36a3489fb52f9f7a654761589448) virtio-net.c (12b2fad7dcc8d08b6a59d1b14caa392ea614c6d9)
1/*
2 * Virtio Network Device
3 *
4 * Copyright IBM, Corp. 2007
5 *
6 * Authors:
7 * Anthony Liguori <aliguori@us.ibm.com>
8 *

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791static inline uint64_t virtio_net_supported_guest_offloads(VirtIONet *n)
792{
793 VirtIODevice *vdev = VIRTIO_DEVICE(n);
794 return virtio_net_guest_offloads_by_features(vdev->guest_features);
795}
796
797typedef struct {
798 VirtIONet *n;
1/*
2 * Virtio Network Device
3 *
4 * Copyright IBM, Corp. 2007
5 *
6 * Authors:
7 * Anthony Liguori <aliguori@us.ibm.com>
8 *

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791static inline uint64_t virtio_net_supported_guest_offloads(VirtIONet *n)
792{
793 VirtIODevice *vdev = VIRTIO_DEVICE(n);
794 return virtio_net_guest_offloads_by_features(vdev->guest_features);
795}
796
797typedef struct {
798 VirtIONet *n;
799 char *id;
800} FailoverId;
799 DeviceState *dev;
800} FailoverDevice;
801
802/**
801
802/**
803 * Set the id of the failover primary device
803 * Set the failover primary device
804 *
805 * @opaque: FailoverId to setup
806 * @opts: opts for device we are handling
807 * @errp: returns an error if this function fails
808 */
804 *
805 * @opaque: FailoverId to setup
806 * @opts: opts for device we are handling
807 * @errp: returns an error if this function fails
808 */
809static int failover_set_primary(void *opaque, QemuOpts *opts, Error **errp)
809static int failover_set_primary(DeviceState *dev, void *opaque)
810{
810{
811 FailoverId *fid = opaque;
812 const char *standby_id = qemu_opt_get(opts, "failover_pair_id");
811 FailoverDevice *fdev = opaque;
812 PCIDevice *pci_dev = (PCIDevice *)
813 object_dynamic_cast(OBJECT(dev), TYPE_PCI_DEVICE);
813
814
814 if (g_strcmp0(standby_id, fid->n->netclient_name) == 0) {
815 fid->id = g_strdup(opts->id);
815 if (!pci_dev) {
816 return 0;
817 }
818
819 if (!g_strcmp0(pci_dev->failover_pair_id, fdev->n->netclient_name)) {
820 fdev->dev = dev;
816 return 1;
817 }
818
819 return 0;
820}
821
822/**
821 return 1;
822 }
823
824 return 0;
825}
826
827/**
823 * Find the primary device id for this failover virtio-net
824 *
825 * @n: VirtIONet device
826 * @errp: returns an error if this function fails
827 */
828static char *failover_find_primary_device_id(VirtIONet *n)
829{
830 Error *err = NULL;
831 FailoverId fid;
832
833 fid.n = n;
834 if (!qemu_opts_foreach(qemu_find_opts("device"),
835 failover_set_primary, &fid, &err)) {
836 return NULL;
837 }
838 return fid.id;
839}
840
841/**
842 * Find the primary device for this failover virtio-net
843 *
844 * @n: VirtIONet device
845 * @errp: returns an error if this function fails
846 */
847static DeviceState *failover_find_primary_device(VirtIONet *n)
848{
828 * Find the primary device for this failover virtio-net
829 *
830 * @n: VirtIONet device
831 * @errp: returns an error if this function fails
832 */
833static DeviceState *failover_find_primary_device(VirtIONet *n)
834{
849 char *id = failover_find_primary_device_id(n);
835 FailoverDevice fdev = {
836 .n = n,
837 };
850
838
851 if (!id) {
852 return NULL;
853 }
854
855 return qdev_find_recursive(sysbus_get_default(), id);
839 qbus_walk_children(sysbus_get_default(), failover_set_primary, NULL,
840 NULL, NULL, &fdev);
841 return fdev.dev;
856}
857
858static void failover_add_primary(VirtIONet *n, Error **errp)
859{
860 Error *err = NULL;
861 DeviceState *dev = failover_find_primary_device(n);
862
863 if (dev) {

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843
844static void failover_add_primary(VirtIONet *n, Error **errp)
845{
846 Error *err = NULL;
847 DeviceState *dev = failover_find_primary_device(n);
848
849 if (dev) {

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