hw/usb/ccid.h

   1 /*
   2  * CCID Passthru Card Device emulation
   3  *
   4  * Copyright (c) 2011 Red Hat.
   5  * Written by Alon Levy.
   6  *
   7  * This code is licensed under the GNU LGPL, version 2 or later.
   8  */
   9
  10 #ifndef CCID_H
  11 #define CCID_H
  12
  13 #include "hw/qdev-core.h"
  14 #include "qom/object.h"
  15
  16 typedef struct CCIDCardInfo CCIDCardInfo;
  17
  18 #define TYPE_CCID_CARD "ccid-card"
  19 OBJECT_DECLARE_TYPE(CCIDCardState, CCIDCardClass, CCID_CARD)
  20
  21 /*
  22  * callbacks to be used by the CCID device (hw/usb-ccid.c) to call
  23  * into the smartcard device (hw/ccid-card-*.c)
  24  */
  25 struct CCIDCardClass {
  26     /*< private >*/
  27     DeviceClass parent_class;
  28     /*< public >*/
  29     const uint8_t *(*get_atr)(CCIDCardState *card, uint32_t *len);
  30     void (*apdu_from_guest)(CCIDCardState *card,
  31                             const uint8_t *apdu,
  32                             uint32_t len);
  33     void (*realize)(CCIDCardState *card, Error **errp);
  34     void (*unrealize)(CCIDCardState *card);
  35 };
  36
  37 /*
  38  * state of the CCID Card device (i.e. hw/ccid-card-*.c)
  39  */
  40 struct CCIDCardState {
  41     DeviceState qdev;
  42     uint32_t    slot; /* For future use with multiple slot reader. */
  43 };
  44
  45 /*
  46  * API for smartcard calling the CCID device (used by hw/ccid-card-*.c)
  47  */
  48 void ccid_card_send_apdu_to_guest(CCIDCardState *card,
  49                                   uint8_t *apdu,
  50                                   uint32_t len);
  51 void ccid_card_card_removed(CCIDCardState *card);
  52 void ccid_card_card_inserted(CCIDCardState *card);
  53 void ccid_card_card_error(CCIDCardState *card, uint64_t error);
  54
  55 /*
  56  * support guest visible insertion/removal of ccid devices based on actual
  57  * devices connected/removed. Called by card implementation (passthru, local)
  58  */
  59 int ccid_card_ccid_attach(CCIDCardState *card);
  60 void ccid_card_ccid_detach(CCIDCardState *card);
  61
  62 #endif /* CCID_H */