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qemu-char: convert mux backend to data-driven creation 

Reviewed-by: Eric Blake <eblake@redhat.com>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
This commit is contained in:
Paolo Bonzini 2015-09-29 15:27:24 +02:00
parent 0d64992b5d
commit 3c0e5a4a84
1 changed files with 14 additions and 11 deletions
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25
qemu-char.c
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@ -682,11 +682,20 @@ static GSource *mux_chr_add_watch(CharDriverState *s, GIOCondition cond)
return d->drv->chr_add_watch(d->drv, cond); return d->drv->chr_add_watch(d->drv, cond);
} }
static CharDriverState *qemu_chr_open_mux(CharDriverState *drv) static CharDriverState *qemu_chr_open_mux(const char *id,
ChardevBackend *backend,
ChardevReturn *ret, Error **errp)
{ {
CharDriverState *chr; ChardevMux *mux = backend->mux;
CharDriverState *chr, *drv;
MuxDriver *d; MuxDriver *d;
drv = qemu_chr_find(mux->chardev);
if (drv == NULL) {
error_setg(errp, "mux: base chardev %s not found", mux->chardev);
return NULL;
}
chr = qemu_chr_alloc(); chr = qemu_chr_alloc();
d = g_new0(MuxDriver, 1); d = g_new0(MuxDriver, 1);
@ -4248,7 +4257,7 @@ ChardevReturn *qmp_chardev_add(const char *id, ChardevBackend *backend,
Error **errp) Error **errp)
{ {
ChardevReturn *ret = g_new0(ChardevReturn, 1); ChardevReturn *ret = g_new0(ChardevReturn, 1);
CharDriverState *base, *chr = NULL; CharDriverState *chr = NULL;
Error *local_err = NULL; Error *local_err = NULL;
GSList *i; GSList *i;
CharDriver *cd; CharDriver *cd;
@ -4300,13 +4309,7 @@ ChardevReturn *qmp_chardev_add(const char *id, ChardevBackend *backend,
abort(); abort();
break; break;
case CHARDEV_BACKEND_KIND_MUX: case CHARDEV_BACKEND_KIND_MUX:
base = qemu_chr_find(backend->mux->chardev); abort();
if (base == NULL) {
error_setg(&local_err, "mux: base chardev %s not found",
backend->mux->chardev);
break;
}
chr = qemu_chr_open_mux(base);
break; break;
case CHARDEV_BACKEND_KIND_MSMOUSE: case CHARDEV_BACKEND_KIND_MSMOUSE:
chr = qemu_chr_open_msmouse(); chr = qemu_chr_open_msmouse();
@ -4432,7 +4435,7 @@ static void register_types(void)
register_char_driver("pipe", CHARDEV_BACKEND_KIND_PIPE, register_char_driver("pipe", CHARDEV_BACKEND_KIND_PIPE,
qemu_chr_parse_pipe, qemu_chr_open_pipe); qemu_chr_parse_pipe, qemu_chr_open_pipe);
register_char_driver("mux", CHARDEV_BACKEND_KIND_MUX, qemu_chr_parse_mux, register_char_driver("mux", CHARDEV_BACKEND_KIND_MUX, qemu_chr_parse_mux,
NULL); qemu_chr_open_mux);
/* Bug-compatibility: */ /* Bug-compatibility: */
register_char_driver("memory", CHARDEV_BACKEND_KIND_MEMORY, register_char_driver("memory", CHARDEV_BACKEND_KIND_MEMORY,
qemu_chr_parse_ringbuf, NULL); qemu_chr_parse_ringbuf, NULL);