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event-notifier: Add "is_external" parameter

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All callers pass "false" keeping the old semantics. The windows
implementation doesn't distinguish the flag yet. On posix, it is passed
down to the underlying aio context.

Signed-off-by: Fam Zheng <famz@redhat.com>
Reviewed-by: Michael S. Tsirkin <mst@redhat.com>
Signed-off-by: Kevin Wolf <kwolf@redhat.com>
This commit is contained in:
Fam Zheng 2016-04-22 21:53:53 +08:00 committed by Kevin Wolf
parent bcd82a968f
commit 54e18d35e4
7 changed files with 25 additions and 10 deletions
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2
hw/usb/ccid-card-emulated.c
View File

@ -407,7 +407,7 @@ static int init_event_notifier(EmulatedState *card)
DPRINTF(card, 2, "event notifier creation failed\n");
return -1;
}
event_notifier_set_handler(&card->notifier, card_event_handler);
event_notifier_set_handler(&card->notifier, false, card_event_handler);
return 0;
}

8
hw/virtio/virtio.c
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@ -1775,10 +1775,10 @@ void virtio_queue_set_guest_notifier_fd_handler(VirtQueue *vq, bool assign,
bool with_irqfd)
{
if (assign && !with_irqfd) {
event_notifier_set_handler(&vq->guest_notifier,
event_notifier_set_handler(&vq->guest_notifier, false,
virtio_queue_guest_notifier_read);
} else {
event_notifier_set_handler(&vq->guest_notifier, NULL);
event_notifier_set_handler(&vq->guest_notifier, false, NULL);
}
if (!assign) {
/* Test and clear notifier before closing it,
@ -1829,10 +1829,10 @@ void virtio_queue_set_host_notifier_fd_handler(VirtQueue *vq, bool assign,
bool set_handler)
{
if (assign && set_handler) {
event_notifier_set_handler(&vq->host_notifier,
event_notifier_set_handler(&vq->host_notifier, false,
virtio_queue_host_notifier_read);
} else {
event_notifier_set_handler(&vq->host_notifier, NULL);
event_notifier_set_handler(&vq->host_notifier, false, NULL);
}
if (!assign) {
/* Test and clear notifier before after disabling event,

4
include/qemu/event_notifier.h
View File

@ -34,7 +34,9 @@ int event_notifier_init(EventNotifier *, int active);
void event_notifier_cleanup(EventNotifier *);
int event_notifier_set(EventNotifier *);
int event_notifier_test_and_clear(EventNotifier *);
int event_notifier_set_handler(EventNotifier *, EventNotifierHandler *);
int event_notifier_set_handler(EventNotifier *,
bool is_external,
EventNotifierHandler *);
#ifdef CONFIG_POSIX
void event_notifier_init_fd(EventNotifier *, int fd);

10
stubs/set-fd-handler.c
View File

@ -9,3 +9,13 @@ void qemu_set_fd_handler(int fd,
{
abort();
}
void aio_set_fd_handler(AioContext *ctx,
int fd,
bool is_external,
IOHandler *io_read,
IOHandler *io_write,
void *opaque)
{
abort();
}

6
target-i386/hyperv.c
View File

@ -88,7 +88,7 @@ HvSintRoute *kvm_hv_sint_route_create(uint32_t vcpu_id, uint32_t sint,
goto err_sint_set_notifier;
}
event_notifier_set_handler(&sint_route->sint_ack_notifier,
event_notifier_set_handler(&sint_route->sint_ack_notifier, false,
kvm_hv_sint_ack_handler);
gsi = kvm_irqchip_add_hv_sint_route(kvm_state, vcpu_id, sint);
@ -112,7 +112,7 @@ HvSintRoute *kvm_hv_sint_route_create(uint32_t vcpu_id, uint32_t sint,
err_irqfd:
kvm_irqchip_release_virq(kvm_state, gsi);
err_gsi:
event_notifier_set_handler(&sint_route->sint_ack_notifier, NULL);
event_notifier_set_handler(&sint_route->sint_ack_notifier, false, NULL);
event_notifier_cleanup(&sint_route->sint_ack_notifier);
err_sint_set_notifier:
event_notifier_cleanup(&sint_route->sint_set_notifier);
@ -128,7 +128,7 @@ void kvm_hv_sint_route_destroy(HvSintRoute *sint_route)
&sint_route->sint_set_notifier,
sint_route->gsi);
kvm_irqchip_release_virq(kvm_state, sint_route->gsi);
event_notifier_set_handler(&sint_route->sint_ack_notifier, NULL);
event_notifier_set_handler(&sint_route->sint_ack_notifier, false, NULL);
event_notifier_cleanup(&sint_route->sint_ack_notifier);
event_notifier_cleanup(&sint_route->sint_set_notifier);
g_free(sint_route);

4
util/event_notifier-posix.c
View File

@ -91,9 +91,11 @@ int event_notifier_get_fd(const EventNotifier *e)
}
int event_notifier_set_handler(EventNotifier *e,
bool is_external,
EventNotifierHandler *handler)
{
qemu_set_fd_handler(e->rfd, (IOHandler *)handler, NULL, e);
aio_set_fd_handler(iohandler_get_aio_context(), e->rfd, is_external,
(IOHandler *)handler, NULL, e);
return 0;
}

1
util/event_notifier-win32.c
View File

@ -33,6 +33,7 @@ HANDLE event_notifier_get_handle(EventNotifier *e)
}
int event_notifier_set_handler(EventNotifier *e,
bool is_external,
EventNotifierHandler *handler)
{
if (handler) {