while (len > 0) {
last_out = MIN(len, VMC_MAX_HOST_WRITE);
- qemu_chr_read(scd->chr, p, last_out);
- if (last_out > 0) {
- out += last_out;
- len -= last_out;
- p += last_out;
- } else {
+ if (qemu_chr_can_read(scd->chr) < last_out) {
break;
}
+ qemu_chr_read(scd->chr, p, last_out);
+ out += last_out;
+ len -= last_out;
+ p += last_out;
}
dprintf(scd, 3, "%s: %lu/%zd\n", __func__, out, len + out);
qemu_free(s);
}
+static void spice_chr_guest_open(struct CharDriverState *chr)
+{
+ SpiceCharDriver *s = chr->opaque;
+ vmc_register_interface(s);
+}
+
+static void spice_chr_guest_close(struct CharDriverState *chr)
+{
+ SpiceCharDriver *s = chr->opaque;
+ vmc_unregister_interface(s);
+}
+
static void print_allowed_subtypes(void)
{
const char** psubtype;
chr->opaque = s;
chr->chr_write = spice_chr_write;
chr->chr_close = spice_chr_close;
+ chr->chr_guest_open = spice_chr_guest_open;
+ chr->chr_guest_close = spice_chr_guest_close;
qemu_chr_generic_open(chr);