The *_exitfn functions cannot fail and should not be returning int. This also removes the passthru_exitfn since this callback does nothing as of now. This was suggested as a Bite-sized task for code cleanup. Signed-off-by: Akanksha Srivastava <akanksha.dlf@gmail.com> Reviewed-by: Stefan Hajnoczi <stefanha@redhat.com> Signed-off-by: Michael Tokarev <mjt@tls.msk.ru>
66 lines
1.9 KiB
C
66 lines
1.9 KiB
C
/*
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* CCID Passthru Card Device emulation
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*
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* Copyright (c) 2011 Red Hat.
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* Written by Alon Levy.
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*
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* This code is licensed under the GNU LGPL, version 2 or later.
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*/
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#ifndef CCID_H
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#define CCID_H
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#include "hw/qdev.h"
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typedef struct CCIDCardState CCIDCardState;
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typedef struct CCIDCardInfo CCIDCardInfo;
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#define TYPE_CCID_CARD "ccid-card"
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#define CCID_CARD(obj) \
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OBJECT_CHECK(CCIDCardState, (obj), TYPE_CCID_CARD)
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#define CCID_CARD_CLASS(klass) \
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OBJECT_CLASS_CHECK(CCIDCardClass, (klass), TYPE_CCID_CARD)
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#define CCID_CARD_GET_CLASS(obj) \
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OBJECT_GET_CLASS(CCIDCardClass, (obj), TYPE_CCID_CARD)
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/*
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* callbacks to be used by the CCID device (hw/usb-ccid.c) to call
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* into the smartcard device (hw/ccid-card-*.c)
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*/
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typedef struct CCIDCardClass {
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DeviceClass parent_class;
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const uint8_t *(*get_atr)(CCIDCardState *card, uint32_t *len);
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void (*apdu_from_guest)(CCIDCardState *card,
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const uint8_t *apdu,
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uint32_t len);
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void (*exitfn)(CCIDCardState *card);
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int (*initfn)(CCIDCardState *card);
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} CCIDCardClass;
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/*
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* state of the CCID Card device (i.e. hw/ccid-card-*.c)
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*/
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struct CCIDCardState {
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DeviceState qdev;
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uint32_t slot; /* For future use with multiple slot reader. */
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};
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/*
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* API for smartcard calling the CCID device (used by hw/ccid-card-*.c)
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*/
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void ccid_card_send_apdu_to_guest(CCIDCardState *card,
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uint8_t *apdu,
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uint32_t len);
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void ccid_card_card_removed(CCIDCardState *card);
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void ccid_card_card_inserted(CCIDCardState *card);
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void ccid_card_card_error(CCIDCardState *card, uint64_t error);
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/*
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* support guest visible insertion/removal of ccid devices based on actual
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* devices connected/removed. Called by card implementation (passthru, local)
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*/
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int ccid_card_ccid_attach(CCIDCardState *card);
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void ccid_card_ccid_detach(CCIDCardState *card);
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#endif /* CCID_H */
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