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system76-edk2/MdePkg/Include/Protocol/SmartCardReader.h
Michael D Kinney 9344f09215 MdePkg: Replace BSD License with BSD+Patent License 
https://bugzilla.tianocore.org/show_bug.cgi?id=1373

Replace BSD 2-Clause License with BSD+Patent License.  This change is
based on the following emails:

  https://lists.01.org/pipermail/edk2-devel/2019-February/036260.html
  https://lists.01.org/pipermail/edk2-devel/2018-October/030385.html

RFCs with detailed process for the license change:

  V3: https://lists.01.org/pipermail/edk2-devel/2019-March/038116.html
  V2: https://lists.01.org/pipermail/edk2-devel/2019-March/037669.html
  V1: https://lists.01.org/pipermail/edk2-devel/2019-March/037500.html

Contributed-under: TianoCore Contribution Agreement 1.1
Signed-off-by: Michael D Kinney <michael.d.kinney@intel.com>
Reviewed-by: Liming Gao <liming.gao@intel.com>
2019-04-09 10:58:13 -07:00

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