There might have emulated PCI devices, together with VFIO PCI
devices under one PHB. The EEH capability shouldn't enabled
on emulated PCI devices.
The patch returns error when enabling EEH capability on emulated
PCI devices by RTAS call "ibm,set-eeh-option".
Signed-off-by: Gavin Shan <gwshan@linux.vnet.ibm.com>
Signed-off-by: David Gibson <david@gibson.dropbear.id.au>
Signed-off-by: Alexander Graf <agraf@suse.de>
{
sPAPRPHBState *sphb;
sPAPRPHBClass *spc;
+ PCIDevice *pdev;
uint32_t addr, option;
uint64_t buid;
int ret;
goto param_error_exit;
}
+ pdev = pci_find_device(PCI_HOST_BRIDGE(sphb)->bus,
+ (addr >> 16) & 0xFF, (addr >> 8) & 0xFF);
+ if (!pdev || !object_dynamic_cast(OBJECT(pdev), "vfio-pci")) {
+ goto param_error_exit;
+ }
+
spc = SPAPR_PCI_HOST_BRIDGE_GET_CLASS(sphb);
if (!spc->eeh_set_option) {
goto param_error_exit;