StorPortGetMSIInfo - NtDoc
Native API online documentation, based on the System Informer
(formerly Process Hacker) phnt
headers
// storport.h
ULONG StorPortGetMSIInfo(
[in] PVOID HwDeviceExtension,
[in] ULONG MessageId,
[out] PMESSAGE_INTERRUPT_INFORMATION InterruptInfo
);
View the official Windows Driver Kit DDI referenceNo description available.
The StorPortGetMSIInfo routine retrieves the message signaled interrupt (MSI) information for the specified message.
HwDeviceExtension [in]A pointer to the hardware device extension for the host bus adapter (HBA).
MessageId [in]The identifier of the message for which the information is retrieved.
InterruptInfo [out]A pointer to a miniport driver-provided MESSAGE_INTERRUPT_INFORMATION structure that receives the information for the message specified by the MessageId parameter.
StorPortGetMSIInfo returns one of the status codes:
| Return code | Description |
|---|---|
| STOR_STATUS_NOT_IMPLEMENTED | This function is not implemented on the active operating system. |
| STOR_STATUS_SUCCESS | Indicates that the MSI information was successfully received for the specified message. |
| STOR_STATUS_INVALID_PARAMETER | HwDeviceExtension passed was NULL. -or- The pointer in InterruptInfo for the structure to receive the information is NULL. -or- MessageId passed to the function is incorrect. |
| STOR_STATUS_INVALID_DEVICE_REQUEST | The HBA does not support MSI. |