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ccid: convert to QEMU Object Model 

Signed-off-by: Anthony Liguori <aliguori@us.ibm.com>
This commit is contained in:
Anthony Liguori 2011-12-04 12:34:10 -06:00
parent 62aed76583
commit ba7c05205c
4 changed files with 109 additions and 49 deletions
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27
hw/ccid-card-emulated.c
View File

@ -564,16 +564,23 @@ static int emulated_exitfn(CCIDCardState *base)
return 0;
}
static CCIDCardInfo emulated_card_info = {
.qdev.name = EMULATED_DEV_NAME,
.qdev.desc = "emulated smartcard",
.qdev.size = sizeof(EmulatedState),
.initfn = emulated_initfn,
.exitfn = emulated_exitfn,
.get_atr = emulated_get_atr,
.apdu_from_guest = emulated_apdu_from_guest,
.qdev.unplug = qdev_simple_unplug_cb,
.qdev.props = (Property[]) {
static void emulated_class_initfn(ObjectClass *klass, void *data)
{
CCIDCardClass *cc = CCID_CARD_CLASS(klass);
cc->initfn = emulated_initfn;
cc->exitfn = emulated_exitfn;
cc->get_atr = emulated_get_atr;
cc->apdu_from_guest = emulated_apdu_from_guest;
}
static DeviceInfo emulated_card_info = {
.name = EMULATED_DEV_NAME,
.desc = "emulated smartcard",
.size = sizeof(EmulatedState),
.unplug = qdev_simple_unplug_cb,
.class_init = emulated_class_initfn,
.props = (Property[]) {
DEFINE_PROP_STRING("backend", EmulatedState, backend_str),
DEFINE_PROP_STRING("cert1", EmulatedState, cert1),
DEFINE_PROP_STRING("cert2", EmulatedState, cert2),

27
hw/ccid-card-passthru.c
View File

@ -316,16 +316,23 @@ static VMStateDescription passthru_vmstate = {
}
};
static CCIDCardInfo passthru_card_info = {
.qdev.name = PASSTHRU_DEV_NAME,
.qdev.desc = "passthrough smartcard",
.qdev.size = sizeof(PassthruState),
.qdev.vmsd = &passthru_vmstate,
.initfn = passthru_initfn,
.exitfn = passthru_exitfn,
.get_atr = passthru_get_atr,
.apdu_from_guest = passthru_apdu_from_guest,
.qdev.props = (Property[]) {
static void passthru_class_initfn(ObjectClass *klass, void *data)
{
CCIDCardClass *cc = CCID_CARD_CLASS(klass);
cc->initfn = passthru_initfn;
cc->exitfn = passthru_exitfn;
cc->get_atr = passthru_get_atr;
cc->apdu_from_guest = passthru_apdu_from_guest;
}
static DeviceInfo passthru_card_info = {
.name = PASSTHRU_DEV_NAME,
.desc = "passthrough smartcard",
.size = sizeof(PassthruState),
.vmsd = &passthru_vmstate,
.class_init = passthru_class_initfn,
.props = (Property[]) {
DEFINE_PROP_CHR("chardev", PassthruState, cs),
DEFINE_PROP_UINT8("debug", PassthruState, debug, 0),
DEFINE_PROP_END_OF_LIST(),

28
hw/ccid.h
View File

@ -15,26 +15,34 @@
typedef struct CCIDCardState CCIDCardState;
typedef struct CCIDCardInfo CCIDCardInfo;
/*
* state of the CCID Card device (i.e. hw/ccid-card-*.c)
*/
struct CCIDCardState {
DeviceState qdev;
uint32_t slot; /* For future use with multiple slot reader. */
};
#define TYPE_CCID_CARD "ccid-card"
#define CCID_CARD(obj) \
OBJECT_CHECK(CCIDCardState, (obj), TYPE_CCID_CARD)
#define CCID_CARD_CLASS(klass) \
OBJECT_CLASS_CHECK(CCIDCardClass, (klass), TYPE_CCID_CARD)
#define CCID_CARD_GET_CLASS(obj) \
OBJECT_GET_CLASS(CCIDCardClass, (obj), TYPE_CCID_CARD)
/*
* callbacks to be used by the CCID device (hw/usb-ccid.c) to call
* into the smartcard device (hw/ccid-card-*.c)
*/
struct CCIDCardInfo {
DeviceInfo qdev;
typedef struct CCIDCardClass {
DeviceClass parent_class;
const uint8_t *(*get_atr)(CCIDCardState *card, uint32_t *len);
void (*apdu_from_guest)(CCIDCardState *card,
const uint8_t *apdu,
uint32_t len);
int (*exitfn)(CCIDCardState *card);
int (*initfn)(CCIDCardState *card);
} CCIDCardClass;
/*
* state of the CCID Card device (i.e. hw/ccid-card-*.c)
*/
struct CCIDCardState {
DeviceState qdev;
uint32_t slot; /* For future use with multiple slot reader. */
};
/*
@ -46,7 +54,7 @@ void ccid_card_send_apdu_to_guest(CCIDCardState *card,
void ccid_card_card_removed(CCIDCardState *card);
void ccid_card_card_inserted(CCIDCardState *card);
void ccid_card_card_error(CCIDCardState *card, uint64_t error);
void ccid_card_qdev_register(CCIDCardInfo *card);
void ccid_card_qdev_register(DeviceInfo *card);
/*
* support guest visible insertion/removal of ccid devices based on actual

76
hw/usb-ccid.c
View File

@ -269,7 +269,6 @@ typedef struct USBCCIDState {
USBDevice dev;
CCIDBus bus;
CCIDCardState *card;
CCIDCardInfo *cardinfo; /* caching the info pointer */
BulkIn bulk_in_pending[BULK_IN_PENDING_NUM]; /* circular */
uint32_t bulk_in_pending_start;
uint32_t bulk_in_pending_end; /* first free */
@ -468,6 +467,43 @@ static const USBDesc desc_ccid = {
.str = desc_strings,
};
static const uint8_t *ccid_card_get_atr(CCIDCardState *card, uint32_t *len)
{
CCIDCardClass *cc = CCID_CARD_GET_CLASS(card);
if (cc->get_atr) {
return cc->get_atr(card, len);
}
return NULL;
}
static void ccid_card_apdu_from_guest(CCIDCardState *card,
const uint8_t *apdu,
uint32_t len)
{
CCIDCardClass *cc = CCID_CARD_GET_CLASS(card);
if (cc->apdu_from_guest) {
cc->apdu_from_guest(card, apdu, len);
}
}
static int ccid_card_exitfn(CCIDCardState *card)
{
CCIDCardClass *cc = CCID_CARD_GET_CLASS(card);
if (cc->exitfn) {
return cc->exitfn(card);
}
return 0;
}
static int ccid_card_initfn(CCIDCardState *card)
{
CCIDCardClass *cc = CCID_CARD_GET_CLASS(card);
if (cc->initfn) {
return cc->initfn(card);
}
return 0;
}
static bool ccid_has_pending_answers(USBCCIDState *s)
{
return s->pending_answers_num > 0;
@ -741,7 +777,7 @@ static void ccid_write_data_block_atr(USBCCIDState *s, CCID_Header *recv)
uint32_t len = 0;
if (s->card) {
atr = s->cardinfo->get_atr(s->card, &len);
atr = ccid_card_get_atr(s->card, &len);
}
ccid_write_data_block(s, recv->bSlot, recv->bSeq, atr, len);
}
@ -827,7 +863,7 @@ static void ccid_on_apdu_from_guest(USBCCIDState *s, CCID_XferBlock *recv)
recv->hdr.bSeq, len);
ccid_add_pending_answer(s, (CCID_Header *)recv);
if (s->card) {
s->cardinfo->apdu_from_guest(s->card, recv->abData, len);
ccid_card_apdu_from_guest(s->card, recv->abData, len);
} else {
DPRINTF(s, D_WARN, "warning: discarded apdu\n");
}
@ -1113,26 +1149,21 @@ void ccid_card_card_inserted(CCIDCardState *card)
static int ccid_card_exit(DeviceState *qdev)
{
int ret = 0;
CCIDCardState *card = DO_UPCAST(CCIDCardState, qdev, qdev);
CCIDCardInfo *info = DO_UPCAST(CCIDCardInfo, qdev, qdev_get_info(qdev));
CCIDCardState *card = CCID_CARD(qdev);
USBCCIDState *s =
DO_UPCAST(USBCCIDState, dev.qdev, card->qdev.parent_bus->parent);
if (ccid_card_inserted(s)) {
ccid_card_card_removed(card);
}
if (info->exitfn) {
ret = info->exitfn(card);
}
ret = ccid_card_exitfn(card);
s->card = NULL;
s->cardinfo = NULL;
return ret;
}
static int ccid_card_init(DeviceState *qdev, DeviceInfo *base)
{
CCIDCardState *card = DO_UPCAST(CCIDCardState, qdev, qdev);
CCIDCardInfo *info = DO_UPCAST(CCIDCardInfo, qdev, base);
CCIDCardState *card = CCID_CARD(qdev);
USBCCIDState *s =
DO_UPCAST(USBCCIDState, dev.qdev, card->qdev.parent_bus->parent);
int ret = 0;
@ -1146,20 +1177,19 @@ static int ccid_card_init(DeviceState *qdev, DeviceInfo *base)
error_report("Warning: usb-ccid card already full, not adding");
return -1;
}
ret = info->initfn ? info->initfn(card) : ret;
ret = ccid_card_initfn(card);
if (ret == 0) {
s->card = card;
s->cardinfo = info;
}
return ret;
}
void ccid_card_qdev_register(CCIDCardInfo *card)
void ccid_card_qdev_register(DeviceInfo *info)
{
card->qdev.bus_info = &ccid_bus_info;
card->qdev.init = ccid_card_init;
card->qdev.exit = ccid_card_exit;
qdev_register(&card->qdev);
info->bus_info = &ccid_bus_info;
info->init = ccid_card_init;
info->exit = ccid_card_exit;
qdev_register_subclass(info, TYPE_CCID_CARD);
}
static int ccid_initfn(USBDevice *dev)
@ -1170,7 +1200,6 @@ static int ccid_initfn(USBDevice *dev)
qbus_create_inplace(&s->bus.qbus, &ccid_bus_info, &dev->qdev, NULL);
s->bus.qbus.allow_hotplug = 1;
s->card = NULL;
s->cardinfo = NULL;
s->migration_state = MIGRATION_NONE;
s->migration_target_ip = 0;
s->migration_target_port = 0;
@ -1312,8 +1341,17 @@ static struct DeviceInfo ccid_info = {
},
};
static TypeInfo ccid_card_type_info = {
.name = TYPE_CCID_CARD,
.parent = TYPE_DEVICE,
.instance_size = sizeof(CCIDCardState),
.abstract = true,
.class_size = sizeof(CCIDCardClass),
};
static void ccid_register_devices(void)
{
type_register_static(&ccid_card_type_info);
usb_qdev_register(&ccid_info, "ccid", NULL);
}
device_init(ccid_register_devices)