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failover: Caller of this two functions already have primary_dev 

Pass it as an argument.

Signed-off-by: Juan Quintela <quintela@redhat.com>
Message-Id: <20201118083748.1328-26-quintela@redhat.com>
Reviewed-by: Michael S. Tsirkin <mst@redhat.com>
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
This commit is contained in:
Juan Quintela 2020-11-18 09:37:46 +01:00 committed by Michael S. Tsirkin
parent 3abad4a221
commit 0e9a65c5b1
1 changed files with 14 additions and 13 deletions
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27
hw/net/virtio-net.c
View File

@ -3093,17 +3093,17 @@ void virtio_net_set_netclient_name(VirtIONet *n, const char *name,
n->netclient_type = g_strdup(type);
}
static bool failover_unplug_primary(VirtIONet *n)
static bool failover_unplug_primary(VirtIONet *n, DeviceState *dev)
{
HotplugHandler *hotplug_ctrl;
PCIDevice *pci_dev;
Error *err = NULL;
hotplug_ctrl = qdev_get_hotplug_handler(n->primary_dev);
hotplug_ctrl = qdev_get_hotplug_handler(dev);
if (hotplug_ctrl) {
pci_dev = PCI_DEVICE(n->primary_dev);
pci_dev = PCI_DEVICE(dev);
pci_dev->partially_hotplugged = true;
hotplug_handler_unplug_request(hotplug_ctrl, n->primary_dev, &err);
hotplug_handler_unplug_request(hotplug_ctrl, dev, &err);
if (err) {
error_report_err(err);
return false;
@ -3114,30 +3114,31 @@ static bool failover_unplug_primary(VirtIONet *n)
return true;
}
static bool failover_replug_primary(VirtIONet *n, Error **errp)
static bool failover_replug_primary(VirtIONet *n, DeviceState *dev,
Error **errp)
{
Error *err = NULL;
HotplugHandler *hotplug_ctrl;
PCIDevice *pdev = PCI_DEVICE(n->primary_dev);
PCIDevice *pdev = PCI_DEVICE(dev);
BusState *primary_bus;
if (!pdev->partially_hotplugged) {
return true;
}
primary_bus = n->primary_dev->parent_bus;
primary_bus = dev->parent_bus;
if (!primary_bus) {
error_setg(errp, "virtio_net: couldn't find primary bus");
return false;
}
qdev_set_parent_bus(n->primary_dev, primary_bus, &error_abort);
qdev_set_parent_bus(dev, primary_bus, &error_abort);
qatomic_set(&n->failover_primary_hidden, false);
hotplug_ctrl = qdev_get_hotplug_handler(n->primary_dev);
hotplug_ctrl = qdev_get_hotplug_handler(dev);
if (hotplug_ctrl) {
hotplug_handler_pre_plug(hotplug_ctrl, n->primary_dev, &err);
hotplug_handler_pre_plug(hotplug_ctrl, dev, &err);
if (err) {
goto out;
}
hotplug_handler_plug(hotplug_ctrl, n->primary_dev, &err);
hotplug_handler_plug(hotplug_ctrl, dev, &err);
}
out:
@ -3161,7 +3162,7 @@ static void virtio_net_handle_migration_primary(VirtIONet *n,
}
if (migration_in_setup(s) && !should_be_hidden) {
if (failover_unplug_primary(n)) {
if (failover_unplug_primary(n, n->primary_dev)) {
vmstate_unregister(VMSTATE_IF(n->primary_dev),
qdev_get_vmsd(n->primary_dev),
n->primary_dev);
@ -3172,7 +3173,7 @@ static void virtio_net_handle_migration_primary(VirtIONet *n,
}
} else if (migration_has_failed(s)) {
/* We already unplugged the device let's plug it back */
if (!failover_replug_primary(n, &err)) {
if (!failover_replug_primary(n, n->primary_dev, &err)) {
if (err) {
error_report_err(err);
}