RDF_IOCTL_VENDOR (Windows CE 5.0)
The RDF_IOCTL_VENDOR callback function performs vendor-specific IOCTL operations. This callback function is optional.
NTSTATUS (*ReaderFunction[RDF_IOCTL_VENDOR])(PSMARTCARD_EXTENSION SmartcardExtension);
Parameters
SmartcardExtension
[in] Points to the smart card extension of the device. SmartcardExtension->MajorIoControlCode contains a vendor-specific IOCTL code. Refer to the macro SCARD_CTL_CODE in Winsmcrd.h for information on how to define a vendor-specific IOCTL code. Vendor-specific codes must be between 2048 and 4095. SmartcardExtension->IoRequest.RequestBuffer points to the user's input buffer. SmartcardExtension->IoRequest.RequestBufferLength contains the size of the user's input buffer. SmartcardExtension->IoRequest.ReplyBuffer points to the user's output buffer. SmartcardExtension->IoRequest.ReplyBufferLength contains the size of the user's output buffer.On output, SmartcardExtension->IoRequest.Information must be set to the number of bytes returned.
Return Values
This function returns an NTSTATUS value. The value returned depends upon the function performed, because RDF_IOCTL_VENDOR is a vendor-defined IOCTL call. Possible values are the following.
| Value | Description |
|---|---|
| STATUS_SUCCESS | Function successfully executed. |
| STATUS_NO_MEDIA | No card is in the reader. |
| STATUS_IO_TIMEOUT | The request has timed out. |
| STATUS_BUFFER_TOO_SMALL | The user's reply buffer is too small. |
| STATUS_INVALID_DEVICE_REQUEST | The request is not valid for this IOCTL. |
| STATUS_PENDING | The operation is pending. |
Requirements
OS Versions: Windows CE 3.0 and later.
Header: Smclib.h.
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