/*
* This is the entry routine for all system bus drivers,it is called by DeviceManager when
* it is initializing.
* This routine checks if there is(are) PCI bus(es) in system,if not,returns FALSE,else,scan
* all PCI buses,configure all devices reside on the PCI buses,and returns TRUE.
*/
BOOL PciBusDriver(__DEVICE_MANAGER* lpDevMgr)
{
BOOL bResult = FALSE;
BUG_ON(NULL == lpDevMgr);
/* Only available in process of system initialization. */
BUG_ON(!IN_SYSINITIALIZATION());
/* Probe if there is PCI bus present. */
bResult = PciBusProbe();
if (!bResult)
{
/* No PCI bus presents. */
return FALSE;
}
/* Scan all PCI device(s) attaching on the PCI bus system. */
PciScanBus(lpDevMgr,NULL,0);
return TRUE;
}
//
//The implementation of PciBusDriver routine.
//This is the entry routine for all system bus drivers,it is called by DeviceManager when
//this object is initializing.
//This routine checks if there is(are) PCI bus(es) in system,if not,returns FALSE,else,scan
//all PCI buses,configure all devices reside on the PCI buses,and returns TRUE.
//
BOOL PciBusDriver(__DEVICE_MANAGER* lpDevMgr)
{
BOOL bResult = FALSE;
if(NULL == lpDevMgr)
return FALSE;
//
//First,probe if there is PCI bus present.
//
bResult = PciBusProbe();
if(!bResult) //No PCI bus.
return FALSE;
//
//Now,should scan all PCI devices.
//
PciScanBus(lpDevMgr,NULL,0);
return TRUE;
}