BOOL RescanDevices()
{
DEVINST rootnode;
CM_WaitNoPendingInstallEvents(INFINITE);
if(CM_Locate_DevNode(&rootnode, NULL, CM_LOCATE_DEVNODE_NORMAL) != CR_SUCCESS)
return FALSE;
if(CM_Reenumerate_DevNode(rootnode, CM_REENUMERATE_NORMAL) != CR_SUCCESS)
return FALSE;
return TRUE;
}
/*
* Force the re-enumeration of a device and all of its children
* This causes driver installation for devices where either the driver
* is already available, or for devices where a device_id was not provided,
* yet that are plugged in.
* If device_id is NULL, this call re-enumerates all devices
*/
int enumerate_device(char* device_id)
{
DEVINST dev_inst;
CONFIGRET status;
plog("re-enumerating driver node %s...", device_id?device_id:"<root>");
status = CM_Locate_DevNodeA(&dev_inst, device_id, 0);
if (status != CR_SUCCESS) {
plog("failed to locate device_id %s: %x\n", device_id?device_id:"<root>", status);
return -1;
}
status = CM_Reenumerate_DevNode(dev_inst, CM_REENUMERATE_RETRY_INSTALLATION);
if (status != CR_SUCCESS) {
plog("failed to re-enumerate device node: CR code %X", status);
return -1;
}
plog("re-enumeration succeeded...");
return 0;
}
static bool ScanForHardwareChanges()
{
DEVINST devInst;
CONFIGRET status;
//
// Get the root devnode.
//
status = CM_Locate_DevNode(&devInst, NULL, CM_LOCATE_DEVNODE_NORMAL);
if (status != CR_SUCCESS) {
runtime_error("CM_Locate_DevNode failed.");
return false;
}
status = CM_Reenumerate_DevNode(devInst, 0);
if (status != CR_SUCCESS) {
runtime_error("CM_Reenumerate_DevNode failed.");
return false;
}
return true;
}
bool ReenumerateDeviceNode(PSP_DEVINFO_DATA pDevInfoData)
{
return CM_Reenumerate_DevNode(pDevInfoData->DevInst, 0) == CR_SUCCESS;
}