1 files changed, 11 insertions, 0 deletions
diff --git a/hw/pci/pcie.c b/hw/pci/pcie.c
index 3c44204cf3..67a5d67372 100644
--- a/hw/pci/pcie.c
+++ b/hw/pci/pcie.c
@@ -366,6 +366,17 @@ static void hotplug_event_clear(PCIDevice *dev)
     }
 }
 
+void pcie_cap_slot_enable_power(PCIDevice *dev)
+{
+    uint8_t *exp_cap = dev->config + dev->exp.exp_cap;
+    uint32_t sltcap = pci_get_long(exp_cap + PCI_EXP_SLTCAP);
+
+    if (sltcap & PCI_EXP_SLTCAP_PCP) {
+        pci_set_word_by_mask(exp_cap + PCI_EXP_SLTCTL,
+                             PCI_EXP_SLTCTL_PCC, PCI_EXP_SLTCTL_PWR_ON);
+    }
+}
+
 static void pcie_set_power_device(PCIBus *bus, PCIDevice *dev, void *opaque)
 {
     bool *power = opaque;