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spice-char: notify the server when chardev is writable

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The spice server is polling on write, unless
SPICE_CHAR_DEVICE_NOTIFY_WRITABLE flag is set. In this case, qemu must
call spice_server_char_device_wakeup() when the frontend is writable.

Signed-off-by: Marc-André Lureau <marcandre.lureau@gmail.com>
Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>
This commit is contained in:
Marc-André Lureau 2015-05-05 16:58:56 +02:00 • committed by Gerd Hoffmann
parent 246ca55faf
commit e95e203c08
1 changed files with 11 additions and 0 deletions
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11
spice-qemu-char.c
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@ -110,6 +110,9 @@ static SpiceCharDeviceInterface vmc_interface = {
#if SPICE_SERVER_VERSION >= 0x000c02 #if SPICE_SERVER_VERSION >= 0x000c02
.event = vmc_event, .event = vmc_event,
#endif #endif
#if SPICE_SERVER_VERSION >= 0x000c06
.flags = SPICE_CHAR_DEVICE_NOTIFY_WRITABLE,
#endif
}; };
@ -260,6 +263,13 @@ static void print_allowed_subtypes(void)
fprintf(stderr, "\n"); fprintf(stderr, "\n");
} }
static void spice_chr_accept_input(struct CharDriverState *chr)
{
SpiceCharDriver *s = chr->opaque;
spice_server_char_device_wakeup(&s->sin);
}
static CharDriverState *chr_open(const char *subtype, static CharDriverState *chr_open(const char *subtype,
void (*set_fe_open)(struct CharDriverState *, int)) void (*set_fe_open)(struct CharDriverState *, int))
@ -279,6 +289,7 @@ static CharDriverState *chr_open(const char *subtype,
chr->chr_set_fe_open = set_fe_open; chr->chr_set_fe_open = set_fe_open;
chr->explicit_be_open = true; chr->explicit_be_open = true;
chr->chr_fe_event = spice_chr_fe_event; chr->chr_fe_event = spice_chr_fe_event;
chr->chr_accept_input = spice_chr_accept_input;
QLIST_INSERT_HEAD(&spice_chars, s, next); QLIST_INSERT_HEAD(&spice_chars, s, next);