pcie: add flr support

Support flr: trigger device reset on flr config write.

Signed-off-by: Isaku Yamahata <yamahata@valinux.co.jp>
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>

1 files changed, 5 insertions, 1 deletions

diff --git a/hw/pci.c b/hw/pci.c
index 0cb411720d..eb21848b0f 100644
--- a/hw/pci.c
+++ b/hw/pci.c
@@ -137,7 +137,11 @@ static void pci_update_irq_status(PCIDevice *dev)
     }
 }
 
-static void pci_device_reset(PCIDevice *dev)
+/*
+ * This function is called on #RST and FLR.
+ * FLR if PCI_EXP_DEVCTL_BCR_FLR is set
+ */
+void pci_device_reset(PCIDevice *dev)
 {
     int r;
     /* TODO: call the below unconditionally once all pci devices