qemu/hw/usb/ccid.h
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   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.h"
  14
  15typedef struct CCIDCardState CCIDCardState;
  16typedef struct CCIDCardInfo CCIDCardInfo;
  17
  18#define TYPE_CCID_CARD "ccid-card"
  19#define CCID_CARD(obj) \
  20     OBJECT_CHECK(CCIDCardState, (obj), TYPE_CCID_CARD)
  21#define CCID_CARD_CLASS(klass) \
  22     OBJECT_CLASS_CHECK(CCIDCardClass, (klass), TYPE_CCID_CARD)
  23#define CCID_CARD_GET_CLASS(obj) \
  24     OBJECT_GET_CLASS(CCIDCardClass, (obj), TYPE_CCID_CARD)
  25
  26/*
  27 * callbacks to be used by the CCID device (hw/usb-ccid.c) to call
  28 * into the smartcard device (hw/ccid-card-*.c)
  29 */
  30typedef struct CCIDCardClass {
  31    /*< private >*/
  32    DeviceClass parent_class;
  33    /*< public >*/
  34    const uint8_t *(*get_atr)(CCIDCardState *card, uint32_t *len);
  35    void (*apdu_from_guest)(CCIDCardState *card,
  36                            const uint8_t *apdu,
  37                            uint32_t len);
  38    void (*realize)(CCIDCardState *card, Error **errp);
  39    void (*unrealize)(CCIDCardState *card, Error **errp);
  40} CCIDCardClass;
  41
  42/*
  43 * state of the CCID Card device (i.e. hw/ccid-card-*.c)
  44 */
  45struct CCIDCardState {
  46    DeviceState qdev;
  47    uint32_t    slot; /* For future use with multiple slot reader. */
  48};
  49
  50/*
  51 * API for smartcard calling the CCID device (used by hw/ccid-card-*.c)
  52 */
  53void ccid_card_send_apdu_to_guest(CCIDCardState *card,
  54                                  uint8_t *apdu,
  55                                  uint32_t len);
  56void ccid_card_card_removed(CCIDCardState *card);
  57void ccid_card_card_inserted(CCIDCardState *card);
  58void ccid_card_card_error(CCIDCardState *card, uint64_t error);
  59
  60/*
  61 * support guest visible insertion/removal of ccid devices based on actual
  62 * devices connected/removed. Called by card implementation (passthru, local)
  63 */
  64int ccid_card_ccid_attach(CCIDCardState *card);
  65void ccid_card_ccid_detach(CCIDCardState *card);
  66
  67#endif /* CCID_H */
  68