spice: core bits

Add -spice command line switch.  Has support setting passwd and port for
now.  With this patch applied the spice client can successfully connect
to qemu.  You can't do anything useful yet though.

7 files changed, 282 insertions, 0 deletions

diff --git a/Makefile.objs b/Makefile.objs
index edfca87e5..1a53027a0 100644
--- a/Makefile.objs
+++ b/Makefile.objs
@@ -88,6 +88,8 @@ 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-$(CONFIG_SPICE) += ui/spice-core.o
+
 audio-obj-y = audio.o noaudio.o wavaudio.o mixeng.o
 audio-obj-$(CONFIG_SDL) += sdlaudio.o
 audio-obj-$(CONFIG_OSS) += ossaudio.o
diff --git a/qemu-config.c b/qemu-config.c
index 3abe6555c..4c47cd0a2 100644
--- a/qemu-config.c
+++ b/qemu-config.c
@@ -336,6 +336,24 @@ static QemuOptsList qemu_cpudef_opts = {
     },
 };
 
+QemuOptsList qemu_spice_opts = {
+    .name = "spice",
+    .head = QTAILQ_HEAD_INITIALIZER(qemu_spice_opts.head),
+    .desc = {
+        {
+            .name = "port",
+            .type = QEMU_OPT_NUMBER,
+        },{
+            .name = "password",
+            .type = QEMU_OPT_STRING,
+        },{
+            .name = "disable-ticketing",
+            .type = QEMU_OPT_BOOL,
+        },
+        { /* end if list */ }
+    },
+};
+
 static QemuOptsList *vm_config_groups[32] = {
     &qemu_drive_opts,
     &qemu_chardev_opts,
diff --git a/qemu-config.h b/qemu-config.h
index 533a04927..20d707fa1 100644
--- a/qemu-config.h
+++ b/qemu-config.h
@@ -3,6 +3,7 @@
 
 extern QemuOptsList qemu_fsdev_opts;
 extern QemuOptsList qemu_virtfs_opts;
+extern QemuOptsList qemu_spice_opts;
 
 QemuOptsList *qemu_find_opts(const char *group);
 void qemu_add_opts(QemuOptsList *list);
diff --git a/qemu-options.hx b/qemu-options.hx
index 453f12994..87bd451b4 100644
--- a/qemu-options.hx
+++ b/qemu-options.hx
@@ -670,6 +670,27 @@ STEXI
 Enable SDL.
 ETEXI
 
+DEF("spice", HAS_ARG, QEMU_OPTION_spice,
+    "-spice <args>   enable spice\n", QEMU_ARCH_ALL)
+STEXI
+@item -spice @var{option}[,@var{option}[,...]]
+@findex -spice
+Enable the spice remote desktop protocol. Valid options are
+
+@table @option
+
+@item port=<nr>
+Set the TCP port spice is listening on.
+
+@item password=<secret>
+Set the password you need to authenticate.
+
+@item disable-ticketing
+Allow client connects without authentication.
+
+@end table
+ETEXI
+
 DEF("portrait", 0, QEMU_OPTION_portrait,
     "-portrait       rotate graphical output 90 deg left (only PXA LCD)\n",
     QEMU_ARCH_ALL)
diff --git a/ui/qemu-spice.h b/ui/qemu-spice.h
new file mode 100644
index 000000000..50faefb8d
--- /dev/null
+++ b/ui/qemu-spice.h
@@ -0,0 +1,39 @@
+/*
+ * Copyright (C) 2010 Red Hat, Inc.
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License as
+ * published by the Free Software Foundation; either version 2 or
+ * (at your option) version 3 of the License.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, see <http://www.gnu.org/licenses/>.
+ */
+
+#ifndef QEMU_SPICE_H
+#define QEMU_SPICE_H
+
+#ifdef CONFIG_SPICE
+
+#include <spice.h>
+
+#include "qemu-option.h"
+#include "qemu-config.h"
+
+extern int using_spice;
+
+void qemu_spice_init(void);
+int qemu_spice_add_interface(SpiceBaseInstance *sin);
+
+#else  /* CONFIG_SPICE */
+
+#define using_spice 0
+
+#endif /* CONFIG_SPICE */
+
+#endif /* QEMU_SPICE_H */
diff --git a/ui/spice-core.c b/ui/spice-core.c
new file mode 100644
index 000000000..006604b62
--- /dev/null
+++ b/ui/spice-core.c
@@ -0,0 +1,187 @@
+/*
+ * Copyright (C) 2010 Red Hat, Inc.
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License as
+ * published by the Free Software Foundation; either version 2 or
+ * (at your option) version 3 of the License.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, see <http://www.gnu.org/licenses/>.
+ */
+
+#include <spice.h>
+#include <spice-experimental.h>
+
+#include "qemu-common.h"
+#include "qemu-spice.h"
+#include "qemu-timer.h"
+#include "qemu-queue.h"
+#include "monitor.h"
+
+/* core bits */
+
+static SpiceServer *spice_server;
+int using_spice = 0;
+
+struct SpiceTimer {
+    QEMUTimer *timer;
+    QTAILQ_ENTRY(SpiceTimer) next;
+};
+static QTAILQ_HEAD(, SpiceTimer) timers = QTAILQ_HEAD_INITIALIZER(timers);
+
+static SpiceTimer *timer_add(SpiceTimerFunc func, void *opaque)
+{
+    SpiceTimer *timer;
+
+    timer = qemu_mallocz(sizeof(*timer));
+    timer->timer = qemu_new_timer(rt_clock, func, opaque);
+    QTAILQ_INSERT_TAIL(&timers, timer, next);
+    return timer;
+}
+
+static void timer_start(SpiceTimer *timer, uint32_t ms)
+{
+    qemu_mod_timer(timer->timer, qemu_get_clock(rt_clock) + ms);
+}
+
+static void timer_cancel(SpiceTimer *timer)
+{
+    qemu_del_timer(timer->timer);
+}
+
+static void timer_remove(SpiceTimer *timer)
+{
+    qemu_del_timer(timer->timer);
+    qemu_free_timer(timer->timer);
+    QTAILQ_REMOVE(&timers, timer, next);
+    qemu_free(timer);
+}
+
+struct SpiceWatch {
+    int fd;
+    int event_mask;
+    SpiceWatchFunc func;
+    void *opaque;
+    QTAILQ_ENTRY(SpiceWatch) next;
+};
+static QTAILQ_HEAD(, SpiceWatch) watches = QTAILQ_HEAD_INITIALIZER(watches);
+
+static void watch_read(void *opaque)
+{
+    SpiceWatch *watch = opaque;
+    watch->func(watch->fd, SPICE_WATCH_EVENT_READ, watch->opaque);
+}
+
+static void watch_write(void *opaque)
+{
+    SpiceWatch *watch = opaque;
+    watch->func(watch->fd, SPICE_WATCH_EVENT_WRITE, watch->opaque);
+}
+
+static void watch_update_mask(SpiceWatch *watch, int event_mask)
+{
+    IOHandler *on_read = NULL;
+    IOHandler *on_write = NULL;
+
+    watch->event_mask = event_mask;
+    if (watch->event_mask & SPICE_WATCH_EVENT_READ) {
+        on_read = watch_read;
+    }
+    if (watch->event_mask & SPICE_WATCH_EVENT_WRITE) {
+        on_read = watch_write;
+    }
+    qemu_set_fd_handler(watch->fd, on_read, on_write, watch);
+}
+
+static SpiceWatch *watch_add(int fd, int event_mask, SpiceWatchFunc func, void *opaque)
+{
+    SpiceWatch *watch;
+
+    watch = qemu_mallocz(sizeof(*watch));
+    watch->fd     = fd;
+    watch->func   = func;
+    watch->opaque = opaque;
+    QTAILQ_INSERT_TAIL(&watches, watch, next);
+
+    watch_update_mask(watch, event_mask);
+    return watch;
+}
+
+static void watch_remove(SpiceWatch *watch)
+{
+    watch_update_mask(watch, 0);
+    QTAILQ_REMOVE(&watches, watch, next);
+    qemu_free(watch);
+}
+
+static SpiceCoreInterface core_interface = {
+    .base.type          = SPICE_INTERFACE_CORE,
+    .base.description   = "qemu core services",
+    .base.major_version = SPICE_INTERFACE_CORE_MAJOR,
+    .base.minor_version = SPICE_INTERFACE_CORE_MINOR,
+
+    .timer_add          = timer_add,
+    .timer_start        = timer_start,
+    .timer_cancel       = timer_cancel,
+    .timer_remove       = timer_remove,
+
+    .watch_add          = watch_add,
+    .watch_update_mask  = watch_update_mask,
+    .watch_remove       = watch_remove,
+};
+
+/* functions for the rest of qemu */
+
+void qemu_spice_init(void)
+{
+    QemuOpts *opts = QTAILQ_FIRST(&qemu_spice_opts.head);
+    const char *password;
+    int port;
+
+    if (!opts) {
+        return;
+    }
+    port = qemu_opt_get_number(opts, "port", 0);
+    if (!port) {
+        return;
+    }
+    password = qemu_opt_get(opts, "password");
+
+    spice_server = spice_server_new();
+    spice_server_set_port(spice_server, port);
+    if (password) {
+        spice_server_set_ticket(spice_server, password, 0, 0, 0);
+    }
+    if (qemu_opt_get_bool(opts, "disable-ticketing", 0)) {
+        spice_server_set_noauth(spice_server);
+    }
+
+    /* TODO: make configurable via cmdline */
+    spice_server_set_image_compression(spice_server, SPICE_IMAGE_COMPRESS_AUTO_GLZ);
+
+    spice_server_init(spice_server, &core_interface);
+    using_spice = 1;
+}
+
+int qemu_spice_add_interface(SpiceBaseInstance *sin)
+{
+    return spice_server_add_interface(spice_server, sin);
+}
+
+static void spice_register_config(void)
+{
+    qemu_add_opts(&qemu_spice_opts);
+}
+machine_init(spice_register_config);
+
+static void spice_initialize(void)
+{
+    qemu_spice_init();
+}
+device_init(spice_initialize);
diff --git a/vl.c b/vl.c
index 40bf30bc4..cad91b84e 100644
--- a/vl.c
+++ b/vl.c
@@ -161,6 +161,8 @@ int main(int argc, char **argv)
 #include "cpus.h"
 #include "arch_init.h"
 
+#include "ui/qemu-spice.h"
+
 //#define DEBUG_NET
 //#define DEBUG_SLIRP
 
@@ -2599,6 +2601,18 @@ int main(int argc, char **argv, char **envp)
                     }
                     break;
                 }
+            case QEMU_OPTION_spice:
+                olist = qemu_find_opts("spice");
+                if (!olist) {
+                    fprintf(stderr, "spice is not supported by this qemu build.\n");
+                    exit(1);
+                }
+                opts = qemu_opts_parse(olist, optarg, 0);
+                if (!opts) {
+                    fprintf(stderr, "parse error: %s\n", optarg);
+                    exit(1);
+                }
+                break;
             case QEMU_OPTION_writeconfig:
                 {
                     FILE *fp;