ReactOS 0.4.15-dev-7889-g76290a6
routintf.c
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1/*
2 * PROJECT: ReactOS PCI Bus Driver
3 * LICENSE: BSD - See COPYING.ARM in the top level directory
4 * FILE: drivers/bus/pci/intrface/routinf.c
5 * PURPOSE: Routing Interface
6 * PROGRAMMERS: ReactOS Portable Systems Group
7 */
8
9/* INCLUDES *******************************************************************/
10
11#include <pci.h>
12
13#define NDEBUG
14#include <debug.h>
15
16/* GLOBALS ********************************************************************/
17
19
21{
22 &GUID_INT_ROUTE_INTERFACE_STANDARD,
27 0,
31};
32
33/* FUNCTIONS ******************************************************************/
34
38{
40 /* PnP Interfaces don't get Initialized */
41 ASSERTMSG("PCI routeintrf_Initializer, unexpected call.\n", FALSE);
43}
44
49 IN PVOID InterfaceData,
53{
54 UNREFERENCED_PARAMETER(DeviceExtension);
56 UNREFERENCED_PARAMETER(InterfaceData);
59
60 /* Only version 1 is supported */
62
63 /* Not yet implemented */
66}
67
73 IN UCHAR InterruptLine,
74 IN UCHAR InterruptPin,
75 IN UCHAR BaseClass,
76 IN UCHAR SubClass,
79 OUT PDEVICE_OBJECT *pFoundDeviceObject)
80{
82 PPCI_LEGACY_DEVICE LegacyDevice;
83 PDEVICE_OBJECT FoundDeviceObject;
84 PAGED_CODE();
85
86 /* Scan current registered devices */
87 LegacyDevice = PciLegacyDeviceHead;
89 while (LegacyDevice)
90 {
91 /* Find a match */
92 if ((BusNumber == LegacyDevice->BusNumber) &&
93 (SlotNumber == LegacyDevice->SlotNumber))
94 {
95 /* We already know about this routing */
96 break;
97 }
98
99 /* We know about device already, but for a different location */
100 if (LegacyDevice->DeviceObject == DeviceObject)
101 {
102 /* Free the existing structure, move to the next one */
103 *Link = LegacyDevice->Next;
104 ExFreePoolWithTag(LegacyDevice, 0);
105 LegacyDevice = *Link;
106 }
107 else
108 {
109 /* Keep going */
110 Link = &LegacyDevice->Next;
111 LegacyDevice = LegacyDevice->Next;
112 }
113 }
114
115 /* Did we find a match? */
116 if (!LegacyDevice)
117 {
118 /* Allocate a new cache structure */
119 LegacyDevice = ExAllocatePoolWithTag(PagedPool,
120 sizeof(PCI_LEGACY_DEVICE),
121 'PciR');
122 if (!LegacyDevice) return STATUS_INSUFFICIENT_RESOURCES;
123
124 /* Save all the data in it */
125 RtlZeroMemory(LegacyDevice, sizeof(PCI_LEGACY_DEVICE));
126 LegacyDevice->BusNumber = BusNumber;
127 LegacyDevice->SlotNumber = SlotNumber;
128 LegacyDevice->InterruptLine = InterruptLine;
129 LegacyDevice->InterruptPin = InterruptPin;
130 LegacyDevice->BaseClass = BaseClass;
131 LegacyDevice->SubClass = SubClass;
133 LegacyDevice->DeviceObject = DeviceObject;
134 LegacyDevice->PdoExtension = PdoExtension;
135
136 /* Link it in the list */
137 LegacyDevice->Next = PciLegacyDeviceHead;
138 PciLegacyDeviceHead = LegacyDevice;
139 }
140
141 /* Check if we found, or created, a matching caching structure */
142 FoundDeviceObject = LegacyDevice->DeviceObject;
143 if (FoundDeviceObject == DeviceObject)
144 {
145 /* Return the device object and success */
146 if (pFoundDeviceObject) *pFoundDeviceObject = DeviceObject;
147 return STATUS_SUCCESS;
148 }
149
150 /* Otherwise, this is a new device object for this location */
151 LegacyDevice->DeviceObject = DeviceObject;
152 if (pFoundDeviceObject) *pFoundDeviceObject = FoundDeviceObject;
153 return STATUS_SUCCESS;
154}
155
156/* EOF */
#define PAGED_CODE()
LONG NTSTATUS
Definition: precomp.h:26
PDEVICE_OBJECT PhysicalDeviceObject
Definition: btrfs_drv.h:1157
#define FALSE
Definition: types.h:117
#define PCI_INTERFACE_FDO
Definition: pci.h:58
@ PciInterface_IntRouteHandler
Definition: pci.h:102
#define UNIMPLEMENTED_DBGBREAK(...)
Definition: debug.h:57
@ PdoExtension
Definition: precomp.h:49
#define ExAllocatePoolWithTag(hernya, size, tag)
Definition: env_spec_w32.h:350
#define PagedPool
Definition: env_spec_w32.h:308
#define ExFreePoolWithTag(_P, _T)
Definition: module.h:1109
#define ASSERTMSG(msg, exp)
Definition: nt_native.h:431
#define UNREFERENCED_PARAMETER(P)
Definition: ntbasedef.h:317
#define STATUS_NOINTERFACE
Definition: ntstatus.h:812
#define STATUS_NOT_IMPLEMENTED
Definition: ntstatus.h:239
unsigned short USHORT
Definition: pedump.c:61
NTSTATUS NTAPI routeintrf_Constructor(IN PVOID DeviceExtension, IN PVOID Instance, IN PVOID InterfaceData, IN USHORT Version, IN USHORT Size, IN PINTERFACE Interface)
Definition: routintf.c:47
NTSTATUS NTAPI routeintrf_Initializer(IN PVOID Instance)
Definition: routintf.c:37
NTSTATUS NTAPI PciCacheLegacyDeviceRouting(IN PDEVICE_OBJECT DeviceObject, IN ULONG BusNumber, IN ULONG SlotNumber, IN UCHAR InterruptLine, IN UCHAR InterruptPin, IN UCHAR BaseClass, IN UCHAR SubClass, IN PDEVICE_OBJECT PhysicalDeviceObject, IN PPCI_PDO_EXTENSION PdoExtension, OUT PDEVICE_OBJECT *pFoundDeviceObject)
Definition: routintf.c:70
PCI_INTERFACE PciRoutingInterface
Definition: routintf.c:20
PPCI_LEGACY_DEVICE PciLegacyDeviceHead
Definition: routintf.c:18
#define STATUS_SUCCESS
Definition: shellext.h:65
UCHAR InterruptPin
Definition: pci.h:529
UCHAR SubClass
Definition: pci.h:531
UCHAR BaseClass
Definition: pci.h:530
PPCI_PDO_EXTENSION PdoExtension
Definition: pci.h:534
UCHAR InterruptLine
Definition: pci.h:528
PDEVICE_OBJECT PhysicalDeviceObject
Definition: pci.h:532
PDEVICE_OBJECT DeviceObject
Definition: pci.h:525
struct _PCI_LEGACY_DEVICE * Next
Definition: pci.h:524
ULONG BusNumber
Definition: pci.h:526
ULONG SlotNumber
Definition: pci.h:527
#define NTAPI
Definition: typedefs.h:36
#define RtlZeroMemory(Destination, Length)
Definition: typedefs.h:262
#define IN
Definition: typedefs.h:39
uint32_t ULONG
Definition: typedefs.h:59
#define OUT
Definition: typedefs.h:40
#define STATUS_UNSUCCESSFUL
Definition: udferr_usr.h:132
#define STATUS_INSUFFICIENT_RESOURCES
Definition: udferr_usr.h:158
static int Link(const char **args)
Definition: vfdcmd.c:2414
_In_ PDEVICE_OBJECT DeviceObject
Definition: wdfdevice.h:2055
_Must_inspect_result_ _In_ WDFDEVICE _In_ PWDF_DEVICE_PROPERTY_DATA _In_ DEVPROPTYPE _In_ ULONG Size
Definition: wdfdevice.h:4533
_Must_inspect_result_ _In_ WDFDEVICE _In_ LPCGUID _Out_ PINTERFACE Interface
Definition: wdffdo.h:465
_Must_inspect_result_ _In_ WDFDEVICE _In_ LPCGUID _Out_ PINTERFACE _In_ USHORT _In_ USHORT Version
Definition: wdffdo.h:469
_In_ WDFIORESREQLIST _In_ ULONG SlotNumber
Definition: wdfresource.h:68
_Must_inspect_result_ _In_ WDFDEVICE _In_ PWDF_WMI_INSTANCE_CONFIG _In_opt_ PWDF_OBJECT_ATTRIBUTES _Out_opt_ WDFWMIINSTANCE * Instance
Definition: wdfwmi.h:481
_In_opt_ PUNICODE_STRING _In_ PDRIVER_OBJECT _In_ PDEVICE_OBJECT _In_ INTERFACE_TYPE _In_ ULONG BusNumber
Definition: halfuncs.h:160
struct _INT_ROUTE_INTERFACE_STANDARD INT_ROUTE_INTERFACE_STANDARD
#define PCI_INT_ROUTE_INTRF_STANDARD_VER
Definition: iotypes.h:5457
unsigned char UCHAR
Definition: xmlstorage.h:181