ReactOS 0.4.15-dev-5666-gc548b97
busno.c File Reference
#include <pci.h>
#include <debug.h>
Include dependency graph for busno.c:

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Macros

#define NDEBUG
 

Functions

BOOLEAN NTAPI PciAreBusNumbersConfigured (IN PPCI_PDO_EXTENSION PdoExtension)
 

Macro Definition Documentation

◆ NDEBUG

#define NDEBUG

Definition at line 13 of file busno.c.

Function Documentation

◆ PciAreBusNumbersConfigured()

BOOLEAN NTAPI PciAreBusNumbersConfigured ( IN PPCI_PDO_EXTENSION  PdoExtension)

Definition at line 20 of file busno.c.

21{
22 UCHAR PrimaryBus, BaseBus, SecondaryBus, SubordinateBus;
23
24 PAGED_CODE();
25
26 /* Get all relevant bus number details */
27 PrimaryBus = PdoExtension->Dependent.type1.PrimaryBus;
28 BaseBus = PdoExtension->ParentFdoExtension->BaseBus;
29 SecondaryBus = PdoExtension->Dependent.type1.SecondaryBus;
30 SubordinateBus = PdoExtension->Dependent.type1.SubordinateBus;
31
32 /* The primary bus should be the base bus of the parent */
33 if ((PrimaryBus != BaseBus) || (SecondaryBus <= PrimaryBus)) return FALSE;
34
35 /* The subordinate should be a higher bus number than the secondary */
36 return SubordinateBus >= SecondaryBus;
37}
#define PAGED_CODE()
#define FALSE
Definition: types.h:117
@ PdoExtension
Definition: precomp.h:49
unsigned char UCHAR
Definition: xmlstorage.h:181

Referenced by PciAddDevice().