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char: add backend hotswap handler

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Frontends should have an interface to setup the handler of a backend change.
The interface will be used in the next commits

Signed-off-by: Anton Nefedov <anton.nefedov@virtuozzo.com>
Reviewed-by: Vladimir Sementsov-Ogievskiy <vsementsov@virtuozzo.com>
Reviewed-by: Marc-André Lureau <marcandre.lureau@redhat.com>
Message-Id: <1499342940-56739-3-git-send-email-anton.nefedov@virtuozzo.com>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
This commit is contained in:
Anton Nefedov 2017-07-06 15:08:49 +03:00 • committed by Paolo Bonzini
parent 313e45b5fe
commit 81517ba37a
48 changed files with 77 additions and 58 deletions
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2
hw/usb/ccid-card-passthru.c
View file

@ -348,7 +348,7 @@ static int passthru_initfn(CCIDCardState *base)
qemu_chr_fe_set_handlers(&card->cs,
ccid_card_vscard_can_read,
ccid_card_vscard_read,
ccid_card_vscard_event, card, NULL, true);
ccid_card_vscard_event, NULL, card, NULL, true);
ccid_card_vscard_send_init(card);
} else {
error_report("missing chardev");

2
hw/usb/dev-serial.c
View file

@ -502,7 +502,7 @@ static void usb_serial_realize(USBDevice *dev, Error **errp)
}
qemu_chr_fe_set_handlers(&s->cs, usb_serial_can_read, usb_serial_read,
usb_serial_event, s, NULL, true);
usb_serial_event, NULL, s, NULL, true);
usb_serial_handle_reset(dev);
if (chr->be_open && !dev->attached) {

2
hw/usb/redirect.c
View file

@ -1399,7 +1399,7 @@ static void usbredir_realize(USBDevice *udev, Error **errp)
/* Let the backend know we are ready */
qemu_chr_fe_set_handlers(&dev->cs, usbredir_chardev_can_read,
usbredir_chardev_read, usbredir_chardev_event,
dev, NULL, true);
NULL, dev, NULL, true);
dev->vmstate =
qemu_add_vm_change_state_handler(usbredir_vm_state_change, dev);