spice: add keyboard

Open keyboard channel.  Now you can type into the spice client and the
keyboard events are sent to your guest.  You'll need some other display
like vnc to actually see the guest responding to them though.

4 files changed, 61 insertions, 1 deletions

diff --git a/Makefile.objs b/Makefile.objs
index 021067b63..6ddb3736f 100644
--- a/Makefile.objs
+++ b/Makefile.objs
@@ -88,7 +88,7 @@ common-obj-y += pflib.o
 common-obj-$(CONFIG_BRLAPI) += baum.o
 common-obj-$(CONFIG_POSIX) += migration-exec.o migration-unix.o migration-fd.o
 
-common-obj-$(CONFIG_SPICE) += spice.o
+common-obj-$(CONFIG_SPICE) += spice.o spice-input.o
 
 audio-obj-y = audio.o noaudio.o wavaudio.o mixeng.o
 audio-obj-$(CONFIG_SDL) += sdlaudio.o
diff --git a/qemu-spice.h b/qemu-spice.h
index 5597576c7..ceb3db2cb 100644
--- a/qemu-spice.h
+++ b/qemu-spice.h
@@ -12,6 +12,7 @@ extern SpiceServer *spice_server;
 extern int using_spice;
 
 void qemu_spice_init(void);
+void qemu_spice_input_init(void);
 
 #else  /* CONFIG_SPICE */
 
diff --git a/spice-input.c b/spice-input.c
new file mode 100644
index 000000000..e1014d78a
--- /dev/null
+++ b/spice-input.c
@@ -0,0 +1,57 @@
+#include <stdlib.h>
+#include <stdio.h>
+#include <string.h>
+
+#include <spice.h>
+
+#include "qemu-common.h"
+#include "qemu-spice.h"
+#include "console.h"
+
+/* keyboard bits */
+
+typedef struct QemuSpiceKbd {
+    SpiceKbdInstance sin;
+    int ledstate;
+} QemuSpiceKbd;
+
+static void kbd_push_key(SpiceKbdInstance *sin, uint8_t frag);
+static uint8_t kbd_get_leds(SpiceKbdInstance *sin);
+static void kbd_leds(void *opaque, int l);
+
+static const SpiceKbdInterface kbd_interface = {
+    .base.type          = SPICE_INTERFACE_KEYBOARD,
+    .base.description   = "qemu keyboard",
+    .base.major_version = SPICE_INTERFACE_KEYBOARD_MAJOR,
+    .base.minor_version = SPICE_INTERFACE_KEYBOARD_MINOR,
+    .push_scan_freg     = kbd_push_key,
+    .get_leds           = kbd_get_leds,
+};
+
+static void kbd_push_key(SpiceKbdInstance *sin, uint8_t frag)
+{
+    kbd_put_keycode(frag);
+}
+
+static uint8_t kbd_get_leds(SpiceKbdInstance *sin)
+{
+    QemuSpiceKbd *kbd = container_of(sin, QemuSpiceKbd, sin);
+    return kbd->ledstate;
+}
+
+static void kbd_leds(void *opaque, int ledstate)
+{
+    QemuSpiceKbd *kbd = opaque;
+    kbd->ledstate = ledstate;
+    spice_server_kbd_leds(&kbd->sin, ledstate);
+}
+
+void qemu_spice_input_init(void)
+{
+    QemuSpiceKbd *kbd;
+
+    kbd = qemu_mallocz(sizeof(*kbd));
+    kbd->sin.base.sif = &kbd_interface.base;
+    spice_server_add_interface(spice_server, &kbd->sin.base);
+    qemu_add_led_event_handler(kbd_leds, kbd);
+}
diff --git a/spice.c b/spice.c
index 50fa5ca1f..c763d52f7 100644
--- a/spice.c
+++ b/spice.c
@@ -148,4 +148,6 @@ void qemu_spice_init(void)
 
     spice_server_init(spice_server, &core_interface);
     using_spice = 1;
+
+    qemu_spice_input_init();
 }