summaryrefslogtreecommitdiffstats
path: root/hw/pci
diff options
context:
space:
mode:
Diffstat (limited to 'hw/pci')
-rw-r--r--hw/pci/pcie.c7
1 files changed, 7 insertions, 0 deletions
diff --git a/hw/pci/pcie.c b/hw/pci/pcie.c
index 13d11a57c7..b92dbff118 100644
--- a/hw/pci/pcie.c
+++ b/hw/pci/pcie.c
@@ -506,6 +506,7 @@ void pcie_cap_slot_unplug_request_cb(HotplugHandler *hotplug_dev,
PCIDevice *hotplug_pdev = PCI_DEVICE(hotplug_dev);
uint8_t *exp_cap = hotplug_pdev->config + hotplug_pdev->exp.exp_cap;
uint32_t sltcap = pci_get_word(exp_cap + PCI_EXP_SLTCAP);
+ uint16_t sltctl = pci_get_word(exp_cap + PCI_EXP_SLTCTL);
/* Check if hot-unplug is disabled on the slot */
if ((sltcap & PCI_EXP_SLTCAP_HPC) == 0) {
@@ -521,6 +522,12 @@ void pcie_cap_slot_unplug_request_cb(HotplugHandler *hotplug_dev,
return;
}
+ if ((sltctl & PCI_EXP_SLTCTL_PIC) == PCI_EXP_SLTCTL_PWR_IND_BLINK) {
+ error_setg(errp, "Hot-unplug failed: "
+ "guest is busy (power indicator blinking)");
+ return;
+ }
+
dev->pending_deleted_event = true;
/* In case user cancel the operation of multi-function hot-add,