DDKReg_GetPciInfo (Windows CE 5.0)
This function populates the DDKPCIINFO structure with information from the registry.
DWORD WINAPI DDKReg_GetPciInfo(HKEY hk, PDDKPCIINFO ppi);
Parameters
hk
[in] Handle to a registry key.ppi
[out] Pointer to a DDKPCIINFO structure.The following table shows the registry values that this function retrieves.
Registry value retrieved Registry type DDKPCIINFO member Default value if the registry value is not present DeviceNumber PCI device number.
REG_DWORD dwDeviceNumber This function returns ERROR_INVALID_DATA. FunctionNumber PCI function number. Indicates a single function device on a multifunction PCI card.
REG_DWORD dwFunctionNumber This function returns ERROR_INVALID_DATA. InstanceIndex REG_DWORD dwInstanceIndex This function returns ERROR_INVALID_DATA. Bitmask of PCIID_XXX values. This bitmask indicates which identifier values are present in the idVals array.
This value is not in the registry. dwWhichIds Not applicable. This value is not in the registry. Class Subclass
ProgIF
VendorId
DeviceId
RevisionId
SubVendorId
SubSystemId
These device identifiers populate an array. Consult the dwWhichIds bitmask to determine which ones are present in this structure.
REG_DWORD REG_DWORD
REG_DWORD
REG_DWORD
REG_DWORD
REG_DWORD
REG_DWORD
REG_DWORD
idVals If a value is not present in the registry, its corresponding bit is not set in dwWhichIds.
Return Values
The following table shows the return values for this function.
| Value | Description |
|---|---|
| ERROR_SUCCESS | Indicates that the DDKPCIINFO structure has been populated successfully. |
| ERROR_INVALID_PARAMETER | Indicates a problem with the populated DDKPCIINFO structure. |
| ERROR_INVALID_DATA | Indicates that a registry value had an unexpected type or was internally inconsistent. |
| Any other return value | Indicates a return code defined in Winerror.h. |
Remarks
The dwWhichIds member of DDKPCIINFO is a bitmask that indicates which PCI bus identifier fields are included in the target device's PCI header. Not all fields are included.
Requirements
OS Versions: Windows CE .NET 4.0 and later.
Header: Ddkreg.h.
Link Library: Coredll.lib.
See Also
DDKPCIINFO | Interrupts | Loading Device Drivers | PCI Bus Driver
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