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pci/shpc: perform unplug via the hotplug handler

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Introduce and use the "unplug" callback.

This is a preparation for multi-stage hotplug handlers, whereby the bus
hotplug handler is overwritten by the machine hotplug handler. This handler
will then pass control to the bus hotplug handler. So to get this running
cleanly, we also have to make sure to go via the hotplug handler chain when
actually unplugging a device after an unplug request. Lookup the hotplug
handler and call "unplug".

Reviewed-by: David Gibson <david@gibson.dropbear.id.au>
Signed-off-by: David Hildenbrand <david@redhat.com>
Reviewed-by: Michael S. Tsirkin <mst@redhat.com>
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
This commit is contained in:
David Hildenbrand 2018-12-12 10:16:22 +01:00 • committed by Michael S. Tsirkin
parent 62b7656396
commit 8f560cdce4
5 changed files with 25 additions and 1 deletions
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2
include/hw/pci/shpc.h
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@ -47,6 +47,8 @@ void shpc_cap_write_config(PCIDevice *d, uint32_t addr, uint32_t val, int len);
void shpc_device_plug_cb(HotplugHandler *hotplug_dev, DeviceState *dev,
Error **errp);
void shpc_device_unplug_cb(HotplugHandler *hotplug_dev, DeviceState *dev,
Error **errp);
void shpc_device_unplug_request_cb(HotplugHandler *hotplug_dev,
DeviceState *dev, Error **errp);