In case the slot is powered off (and the power indicator turned off too)
we can unplug right away, without round-trip to the guest.
Also clear pending attention button press, there is nothing to care
about any more.
Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>
Message-Id: <
20211111130859.
1171890-6-kraxel@redhat.com>
Reviewed-by: Michael S. Tsirkin <mst@redhat.com>
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
return;
}
+ if (((sltctl & PCI_EXP_SLTCTL_PIC) == PCI_EXP_SLTCTL_PWR_IND_OFF) &&
+ ((sltctl & PCI_EXP_SLTCTL_PCC) == PCI_EXP_SLTCTL_PWR_OFF)) {
+ /* slot is powered off -> unplug without round-trip to the guest */
+ pcie_cap_slot_do_unplug(hotplug_pdev);
+ hotplug_event_notify(hotplug_pdev);
+ pci_word_test_and_clear_mask(exp_cap + PCI_EXP_SLTSTA,
+ PCI_EXP_SLTSTA_ABP);
+ return;
+ }
+
pcie_cap_slot_push_attention_button(hotplug_pdev);
}