From 4f94bc7cc479dba60fba841608b3da74b940a26d Mon Sep 17 00:00:00 2001 From: Laurent Vivier Date: Thu, 25 Feb 2021 23:14:44 -0500 Subject: [PATCH 47/54] failover: Caller of this two functions already have primary_dev RH-Author: Laurent Vivier Message-id: <20210225231447.2187738-25-lvivier@redhat.com> Patchwork-id: 101246 O-Subject: [RHEL-AV-8.4.0 qemu-kvm PATCH v2 24/27] failover: Caller of this two functions already have primary_dev Bugzilla: 1819991 RH-Acked-by: Juan Quintela RH-Acked-by: Dr. David Alan Gilbert RH-Acked-by: Jens Freimann RH-Acked-by: Michael S. Tsirkin From: Juan Quintela BZ: https://bugzilla.redhat.com/1819991 BRANCH: rhel-av-8.4.0 UPSTREAM: Merged Pass it as an argument. Signed-off-by: Juan Quintela Message-Id: <20201118083748.1328-26-quintela@redhat.com> Reviewed-by: Michael S. Tsirkin Signed-off-by: Michael S. Tsirkin (cherry picked from commit 0e9a65c5b168b993b845ec2acb2568328c2353da) Signed-off-by: Laurent Vivier Signed-off-by: Danilo C. L. de Paula --- hw/net/virtio-net.c | 27 ++++++++++++++------------- 1 file changed, 14 insertions(+), 13 deletions(-) diff --git a/hw/net/virtio-net.c b/hw/net/virtio-net.c index 746ed3fb71..b37e9cd1d9 100644 --- a/hw/net/virtio-net.c +++ b/hw/net/virtio-net.c @@ -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); } -- 2.27.0