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320 lines
15 KiB
C
320 lines
15 KiB
C
/** @file
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The UEFI Smart Card Reader Protocol provides an abstraction for device to provide
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smart card reader support. This protocol is very close to Part 5 of PC/SC workgroup
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specifications and provides an API to applications willing to communicate with a
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smart card or a smart card reader.
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Copyright (c) 2015, Intel Corporation. All rights reserved.<BR>
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SPDX-License-Identifier: BSD-2-Clause-Patent
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**/
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#ifndef __SMART_CARD_READER_H__
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#define __SMART_CARD_READER_H__
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#define EFI_SMART_CARD_READER_PROTOCOL_GUID \
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{ \
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0x2a4d1adf, 0x21dc, 0x4b81, {0xa4, 0x2f, 0x8b, 0x8e, 0xe2, 0x38, 0x00, 0x60} \
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}
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typedef struct _EFI_SMART_CARD_READER_PROTOCOL EFI_SMART_CARD_READER_PROTOCOL;
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//
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// Codes for access mode
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//
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#define SCARD_AM_READER 0x0001 // Exclusive access to reader
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#define SCARD_AM_CARD 0x0002 // Exclusive access to card
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//
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// Codes for card action
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//
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#define SCARD_CA_NORESET 0x0000 // Don't reset card
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#define SCARD_CA_COLDRESET 0x0001 // Perform a cold reset
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#define SCARD_CA_WARMRESET 0x0002 // Perform a warm reset
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#define SCARD_CA_UNPOWER 0x0003 // Power off the card
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#define SCARD_CA_EJECT 0x0004 // Eject the card
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//
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// Protocol types
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//
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#define SCARD_PROTOCOL_UNDEFINED 0x0000
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#define SCARD_PROTOCOL_T0 0x0001
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#define SCARD_PROTOCOL_T1 0x0002
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#define SCARD_PROTOCOL_RAW 0x0004
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//
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// Codes for state type
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//
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#define SCARD_UNKNOWN 0x0000 /* state is unknown */
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#define SCARD_ABSENT 0x0001 /* Card is absent */
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#define SCARD_INACTIVE 0x0002 /* Card is present and not powered*/
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#define SCARD_ACTIVE 0x0003 /* Card is present and powered */
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//
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// Macro to generate a ControlCode & PC/SC part 10 control code
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//
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#define SCARD_CTL_CODE(code) (0x42000000 + (code))
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#define CM_IOCTL_GET_FEATURE_REQUEST SCARD_CTL_CODE(3400)
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/**
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This function requests connection to the smart card or the reader, using the
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appropriate reset type and protocol.
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The SCardConnectfunction requests access to the smart card or the reader. Upon
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success, it is then possible to call SCardTransmit.
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If AccessMode is set to SCARD_AM_READER, PreferredProtocols must be set to
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SCARD_PROTOCOL_UNDEFINED and CardAction to SCARD_CA_NORESET else function
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fails with EFI_INVALID_PARAMETER.
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@param[in] This Indicates a pointer to the calling context.
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@param[in] AccessMode Codes of access mode.
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@param[in] CardAction SCARD_CA_NORESET, SCARD_CA_COLDRESET or
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SCARD_CA_WARMRESET.
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@param[in] PreferredProtocols Bitmask of acceptable protocols.
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@param[out] ActiveProtocol A flag that indicates the active protocol.
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@retval EFI_SUCCESS The requested command completed successfully.
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@retval EFI_INVALID_PARAMETER This is NULL
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@retval EFI_INVALID_PARAMETER AccessMode is not valid.
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@retval EFI_INVALID_PARAMETER CardAction is not valid.
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@retval EFI_INVALID_PARAMETER Invalid combination of AccessMode/CardAction/
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PreferredProtocols.
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@retval EFI_NOT_READY A smart card is inserted but failed to return an ATR.
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@retval EFI_UNSUPPORTED PreferredProtocols does not contain an available
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protocol to use.
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@retval EFI_NO_MEDIA AccessMode is set to SCARD_AM_CARD but there is
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no smart card inserted.
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@retval EFI_ACCESS_DENIED Access is already locked by a previous SCardConnectcall.
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@retval EFI_DEVICE_ERROR Any other error condition, typically a reader removal.
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**/
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typedef
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EFI_STATUS
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(EFIAPI *EFI_SMART_CARD_READER_CONNECT) (
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IN EFI_SMART_CARD_READER_PROTOCOL *This,
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IN UINT32 AccessMode,
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IN UINT32 CardAction,
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IN UINT32 PreferredProtocols,
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OUT UINT32 *ActiveProtocol
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);
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/**
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This function releases a connection previously taken by SCardConnect.
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The SCardDisconnect function releases the lock previously taken by SCardConnect.
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In case the smart card has been removed before this call, thisfunction
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returns EFI_SUCCESS. If there is no previous call to SCardConnect, this
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function returns EFI_SUCCESS.
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@param[in] This Indicates a pointer to the calling context.
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@param[in] CardAction Codes for card action.
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@retval EFI_SUCCESS The requested command completed successfully.
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@retval EFI_INVALID_PARAMETER This is NULL
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@retval EFI_INVALID_PARAMETER CardAction value is unknown.
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@retval EFI_UNSUPPORTED Reader does not support Eject card feature
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(disconnect was not performed).
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@retval EFI_DEVICE_ERROR Any other error condition, typically a reader removal.
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**/
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typedef
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EFI_STATUS
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(EFIAPI *EFI_SMART_CARD_READER_DISCONNECT) (
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IN EFI_SMART_CARD_READER_PROTOCOL *This,
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IN UINT32 CardAction
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);
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/**
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This function retrieves some basic information about the smart card and reader.
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The SCardStatusfunction retrieves basic reader and card information.
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If ReaderName, State, CardProtocolor Atris NULL, the function does not fail but
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does not fill in such variables.
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If EFI_SUCCESS is not returned, ReaderName and Atr contents shall not be considered
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as valid.
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@param[in] This Indicates a pointer to the calling context.
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@param[out] ReaderName A pointer to a NULL terminated string that will
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contain the reader name.
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@param[in, out] ReaderNameLength On input, a pointer to the variablethat holds the
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maximal size, in bytes,of ReaderName.
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On output, the required size, in bytes, for ReaderName.
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@param[out] State Current state of the smart card reader.
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@param[out] CardProtocol Current protocol used to communicate with the smart card.
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@param[out] Atr A pointer to retrieve the ATR of the smart card.
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@param[in, out] AtrLength On input, a pointer to hold the maximum size, in bytes,
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of Atr(usually 33).
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On output, the required size, inbytes, for the smart
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card ATR.
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@retval EFI_SUCCESS The requested command completed successfully.
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@retval EFI_INVALID_PARAMETER This is NULL
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@retval EFI_INVALID_PARAMETER ReaderName is not NULL but ReaderNameLength is NULL
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@retval EFI_INVALID_PARAMETER Atr is not NULL but AtrLength is NULL
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@retval EFI_BUFFER_TOO_SMALL ReaderNameLength is not big enough to hold the reader name.
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ReaderNameLength has been updated to the required value.
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@retval EFI_BUFFER_TOO_SMALL AtrLength is not big enough to hold the ATR.
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AtrLength has been updated to the required value.
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@retval EFI_DEVICE_ERROR Any other error condition, typically a reader removal.
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**/
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typedef
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EFI_STATUS
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(EFIAPI *EFI_SMART_CARD_READER_STATUS) (
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IN EFI_SMART_CARD_READER_PROTOCOL *This,
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OUT CHAR16 *ReaderName OPTIONAL,
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IN OUT UINTN *ReaderNameLength OPTIONAL,
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OUT UINT32 *State OPTIONAL,
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OUT UINT32 *CardProtocol OPTIONAL,
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OUT UINT8 *Atr OPTIONAL,
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IN OUT UINTN *AtrLength OPTIONAL
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);
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/**
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This function sends a command to the card or reader and returns its response.
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The protocol to use to communicate with the smart card has been selected through
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SCardConnectcall.
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In case RAPDULength indicates a buffer too small to holdthe response APDU, the
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function fails with EFI_BUFFER_TOO_SMALL.
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@param[in] This A pointer to the EFI_USBFN_IO_PROTOCOLinstance.
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@param[in] CAPDU A pointer to a byte array thatcontains the Command
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APDU to send to the smart card or reader.
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@param[in] CAPDULength Command APDU size, in bytes.
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@param[out] RAPDU A pointer to a byte array that will contain the
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Response APDU.
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@param[in, out] RAPDULength On input, the maximum size, inbytes, of the Response
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APDU.
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On output, the size, in bytes, of the Response APDU.
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@retval EFI_SUCCESS The requested command completed successfully.
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@retval EFI_INVALID_PARAMETER This is NULL.
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@retval EFI_INVALID_PARAMETER CAPDU is NULL or CAPDULength is 0.
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@retval EFI_BUFFER_TOO_SMALL RAPDULength is not big enough to hold the response APDU.
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RAPDULength has been updated to the required value.
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@retval EFI_NO_MEDIA There is no card in the reader.
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@retval EFI_NOT_READY Card is not powered.
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@retval EFI_PROTOCOL_ERROR A protocol error has occurred.
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@retval EFI_TIMEOUT The reader did not respond.
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@retval EFI_ACCESS_DENIED A communication with the reader/card is already pending.
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@retval EFI_DEVICE_ERROR Any other error condition, typically a reader removal.
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**/
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typedef
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EFI_STATUS
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(EFIAPI *EFI_SMART_CARD_READER_TRANSMIT) (
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IN EFI_SMART_CARD_READER_PROTOCOL *This,
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IN UINT8 *CAPDU,
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IN UINTN CAPDULength,
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OUT UINT8 *RAPDU,
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IN OUT UINTN *RAPDULength
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);
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/**
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This function provides direct access to the reader.
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This function gives direct control to send commands to the driver or the reader.
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The ControlCode to use is vendor dependant; the only standard code defined is
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the one to get PC/SC part 10 features.
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InBuffer and Outbuffer may be NULL when ControlCode operation does not require
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them.
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@param[in] This Indicates a pointer to the calling context.
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@param[in] ControlCode The control code for the operation to perform.
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@param[in] InBuffer A pointer to the input parameters.
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@param[in] InBufferLength Size, in bytes, of input parameters.
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@param[out] OutBuffer A pointer to the output parameters.
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@param[in, out] OutBufferLength On input, maximal size, in bytes, to store output
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parameters.
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On output, the size, in bytes, of output parameters.
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@retval EFI_SUCCESS The requested command completed successfully.
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@retval EFI_INVALID_PARAMETER This is NULL.
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@retval EFI_INVALID_PARAMETER ControlCode requires input parameters but:
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InBuffer is NULL or InBufferLenth is NULL or
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InBuffer is not NULL but InBufferLenth is less than
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expected.
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@retval EFI_INVALID_PARAMETER OutBuffer is not NULL but OutBufferLength is NULL.
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@retval EFI_UNSUPPORTED ControlCode is not supported.
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@retval EFI_BUFFER_TOO_SMALL OutBufferLength is not big enough to hold the output
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parameters.
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OutBufferLength has been updated to the required value.
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@retval EFI_NO_MEDIA There is no card in the reader and the control code
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specified requires one.
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@retval EFI_NOT_READY ControlCode requires a powered card to operate.
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@retval EFI_PROTOCOL_ERROR A protocol error has occurred.
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@retval EFI_TIMEOUT The reader did not respond.
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@retval EFI_ACCESS_DENIED A communication with the reader/card is already pending.
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@retval EFI_DEVICE_ERROR Any other error condition, typically a reader removal.
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**/
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typedef
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EFI_STATUS
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(EFIAPI *EFI_SMART_CARD_READER_CONTROL) (
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IN EFI_SMART_CARD_READER_PROTOCOL *This,
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IN UINT32 ControlCode,
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IN UINT8 *InBuffer OPTIONAL,
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IN UINTN InBufferLength OPTIONAL,
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OUT UINT8 *OutBuffer OPTIONAL,
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IN OUT UINTN *OutBufferLength OPTIONAL
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);
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/**
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This function retrieves a reader or smart card attribute.
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Possibly supported attrib values are listed in "PC/SC specification, Part 3:
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Requirements for PC-Connected Interface Devices".
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@param[in] This Indicates a pointer to the calling context.
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@param[in] Attrib Identifier for the attribute to retrieve.
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@param[out] OutBuffer A pointer to a buffer that will contain
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attribute data.
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@param[in, out] OutBufferLength On input, maximal size, in bytes, to store
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attribute data.
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On output, the size, in bytes, of attribute
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data.
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@retval EFI_SUCCESS The requested command completed successfully.
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@retval EFI_INVALID_PARAMETER This is NULL.
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@retval EFI_INVALID_PARAMETER OutBuffer is NULL or OutBufferLength is 0.
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@retval EFI_BUFFER_TOO_SMALL OutBufferLength is not big enough to hold the output
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parameters.
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OutBufferLength has been updated to the required value.
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@retval EFI_UNSUPPORTED Attribis not supported
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@retval EFI_NO_MEDIA There is no card in the reader and Attrib value
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requires one.
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@retval EFI_NOT_READY Attrib requires a powered card to operate.
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@retval EFI_PROTOCOL_ERROR A protocol error has occurred.
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@retval EFI_TIMEOUT The reader did not respond.
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@retval EFI_DEVICE_ERROR Any other error condition, typically a reader removal.
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**/
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typedef
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EFI_STATUS
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(EFIAPI *EFI_SMART_CARD_READER_GET_ATTRIB) (
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IN EFI_SMART_CARD_READER_PROTOCOL *This,
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IN UINT32 Attrib,
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OUT UINT8 *OutBuffer,
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IN OUT UINTN *OutBufferLength
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);
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///
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/// Smart card aware application invokes this protocol to get access to an inserted
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/// smart card in the reader or to the reader itself.
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///
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struct _EFI_SMART_CARD_READER_PROTOCOL {
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EFI_SMART_CARD_READER_CONNECT SCardConnect;
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EFI_SMART_CARD_READER_DISCONNECT SCardDisconnect;
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EFI_SMART_CARD_READER_STATUS SCardStatus;
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EFI_SMART_CARD_READER_TRANSMIT SCardTransmit;
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EFI_SMART_CARD_READER_CONTROL SCardControl;
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EFI_SMART_CARD_READER_GET_ATTRIB SCardGetAttrib;
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};
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extern EFI_GUID gEfiSmartCardReaderProtocolGuid;
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#endif
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