QemuOpts: make most qemu_*_opts static

Switch tree to lookup-by-name using qemu_find_opts().
Also hook up virtfs options so qemu_find_opts works for them too.

Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>
Signed-off-by: Anthony Liguori <aliguori@us.ibm.com>
diff --git a/vl.c b/vl.c
index ccc8d57..a330f18 100644
--- a/vl.c
+++ b/vl.c
@@ -1461,12 +1461,12 @@
     if (!strncmp(arg, "virtio", 6)) {
         if (arg[6] == ',') {
             /* have params -> parse them */
-            opts = qemu_opts_parse(&qemu_device_opts, arg+7, 0);
+            opts = qemu_opts_parse(qemu_find_opts("device"), arg+7, 0);
             if (!opts)
                 return  -1;
         } else {
             /* create empty opts */
-            opts = qemu_opts_create(&qemu_device_opts, NULL, 0);
+            opts = qemu_opts_create(qemu_find_opts("device"), NULL, 0);
         }
         qemu_opt_set(opts, "driver", "virtio-balloon-pci");
         return 0;
@@ -1598,7 +1598,7 @@
         }
     }
 
-    opts = qemu_opts_create(&qemu_mon_opts, label, 1);
+    opts = qemu_opts_create(qemu_find_opts("mon"), label, 1);
     if (!opts) {
         fprintf(stderr, "duplicate chardev: %s\n", label);
         exit(1);
@@ -1695,6 +1695,7 @@
 
 static int virtcon_parse(const char *devname)
 {
+    QemuOptsList *device = qemu_find_opts("device");
     static int index = 0;
     char label[32];
     QemuOpts *bus_opts, *dev_opts;
@@ -1706,10 +1707,10 @@
         exit(1);
     }
 
-    bus_opts = qemu_opts_create(&qemu_device_opts, NULL, 0);
+    bus_opts = qemu_opts_create(device, NULL, 0);
     qemu_opt_set(bus_opts, "driver", "virtio-serial");
 
-    dev_opts = qemu_opts_create(&qemu_device_opts, NULL, 0);
+    dev_opts = qemu_opts_create(device, NULL, 0);
     qemu_opt_set(dev_opts, "driver", "virtconsole");
 
     snprintf(label, sizeof(label), "virtcon%d", index);
@@ -1732,7 +1733,7 @@
     if (!qemu_chr_open("debugcon", devname, NULL)) {
         exit(1);
     }
-    opts = qemu_opts_create(&qemu_device_opts, "debugcon", 1);
+    opts = qemu_opts_create(qemu_find_opts("device"), "debugcon", 1);
     if (!opts) {
         fprintf(stderr, "qemu: already have a debugcon device\n");
         exit(1);
@@ -1853,6 +1854,11 @@
     tb_size = 0;
     autostart= 1;
 
+#ifdef CONFIG_VIRTFS
+    qemu_add_opts(&qemu_fsdev_opts);
+    qemu_add_opts(&qemu_virtfs_opts);
+#endif
+
     /* first pass of option parsing */
     optind = 1;
     while (optind < argc) {
@@ -2104,12 +2110,12 @@
                 fd_bootchk = 0;
                 break;
             case QEMU_OPTION_netdev:
-                if (net_client_parse(&qemu_netdev_opts, optarg) == -1) {
+                if (net_client_parse(qemu_find_opts("netdev"), optarg) == -1) {
                     exit(1);
                 }
                 break;
             case QEMU_OPTION_net:
-                if (net_client_parse(&qemu_net_opts, optarg) == -1) {
+                if (net_client_parse(qemu_find_opts("net"), optarg) == -1) {
                     exit(1);
                 }
                 break;
@@ -2268,21 +2274,21 @@
                 default_monitor = 0;
                 break;
             case QEMU_OPTION_mon:
-                opts = qemu_opts_parse(&qemu_mon_opts, optarg, 1);
+                opts = qemu_opts_parse(qemu_find_opts("mon"), optarg, 1);
                 if (!opts) {
                     exit(1);
                 }
                 default_monitor = 0;
                 break;
             case QEMU_OPTION_chardev:
-                opts = qemu_opts_parse(&qemu_chardev_opts, optarg, 1);
+                opts = qemu_opts_parse(qemu_find_opts("chardev"), optarg, 1);
                 if (!opts) {
                     exit(1);
                 }
                 break;
 #ifdef CONFIG_VIRTFS
             case QEMU_OPTION_fsdev:
-                opts = qemu_opts_parse(&qemu_fsdev_opts, optarg, 1);
+                opts = qemu_opts_parse(qemu_find_opts("fsdev"), optarg, 1);
                 if (!opts) {
                     fprintf(stderr, "parse error: %s\n", optarg);
                     exit(1);
@@ -2293,7 +2299,7 @@
                 char *arg_9p = NULL;
                 int len = 0;
 
-                opts = qemu_opts_parse(&qemu_virtfs_opts, optarg, 1);
+                opts = qemu_opts_parse(qemu_find_opts("virtfs"), optarg, 1);
                 if (!opts) {
                     fprintf(stderr, "parse error: %s\n", optarg);
                     exit(1);
@@ -2330,12 +2336,12 @@
                                 qemu_opt_get(opts, "mount_tag"),
                                 qemu_opt_get(opts, "mount_tag"));
 
-                if (!qemu_opts_parse(&qemu_fsdev_opts, arg_fsdev, 1)) {
+                if (!qemu_opts_parse(qemu_find_opts("fsdev"), arg_fsdev, 1)) {
                     fprintf(stderr, "parse error [fsdev]: %s\n", optarg);
                     exit(1);
                 }
 
-                if (!qemu_opts_parse(&qemu_device_opts, arg_9p, 1)) {
+                if (!qemu_opts_parse(qemu_find_opts("device"), arg_9p, 1)) {
                     fprintf(stderr, "parse error [device]: %s\n", optarg);
                     exit(1);
                 }
@@ -2432,7 +2438,7 @@
                 add_device_config(DEV_USB, optarg);
                 break;
             case QEMU_OPTION_device:
-                if (!qemu_opts_parse(&qemu_device_opts, optarg, 1)) {
+                if (!qemu_opts_parse(qemu_find_opts("device"), optarg, 1)) {
                     exit(1);
                 }
                 break;
@@ -2528,7 +2534,7 @@
                 configure_rtc_date_offset(optarg, 1);
                 break;
             case QEMU_OPTION_rtc:
-                opts = qemu_opts_parse(&qemu_rtc_opts, optarg, 0);
+                opts = qemu_opts_parse(qemu_find_opts("rtc"), optarg, 0);
                 if (!opts) {
                     exit(1);
                 }
@@ -2636,8 +2642,8 @@
         exit(1);
     }
 
-    qemu_opts_foreach(&qemu_device_opts, default_driver_check, NULL, 0);
-    qemu_opts_foreach(&qemu_global_opts, default_driver_check, NULL, 0);
+    qemu_opts_foreach(qemu_find_opts("device"), default_driver_check, NULL, 0);
+    qemu_opts_foreach(qemu_find_opts("global"), default_driver_check, NULL, 0);
 
     if (machine->no_serial) {
         default_serial = 0;
@@ -2691,10 +2697,10 @@
 
     socket_init();
 
-    if (qemu_opts_foreach(&qemu_chardev_opts, chardev_init_func, NULL, 1) != 0)
+    if (qemu_opts_foreach(qemu_find_opts("chardev"), chardev_init_func, NULL, 1) != 0)
         exit(1);
 #ifdef CONFIG_VIRTFS
-    if (qemu_opts_foreach(&qemu_fsdev_opts, fsdev_init_func, NULL, 1) != 0) {
+    if (qemu_opts_foreach(qemu_find_opts("fsdev"), fsdev_init_func, NULL, 1) != 0) {
         exit(1);
     }
 #endif
@@ -2778,8 +2784,8 @@
 
     /* open the virtual block devices */
     if (snapshot)
-        qemu_opts_foreach(&qemu_drive_opts, drive_enable_snapshot, NULL, 0);
-    if (qemu_opts_foreach(&qemu_drive_opts, drive_init_func, &machine->use_scsi, 1) != 0)
+        qemu_opts_foreach(qemu_find_opts("drive"), drive_enable_snapshot, NULL, 0);
+    if (qemu_opts_foreach(qemu_find_opts("drive"), drive_init_func, &machine->use_scsi, 1) != 0)
         exit(1);
 
     register_savevm_live(NULL, "ram", 0, 4, NULL, ram_save_live, NULL,
@@ -2827,7 +2833,7 @@
         }
     }
 
-    if (qemu_opts_foreach(&qemu_mon_opts, mon_init_func, NULL, 1) != 0) {
+    if (qemu_opts_foreach(qemu_find_opts("mon"), mon_init_func, NULL, 1) != 0) {
         exit(1);
     }
 
@@ -2842,7 +2848,7 @@
 
     module_call_init(MODULE_INIT_DEVICE);
 
-    if (qemu_opts_foreach(&qemu_device_opts, device_help_func, NULL, 0) != 0)
+    if (qemu_opts_foreach(qemu_find_opts("device"), device_help_func, NULL, 0) != 0)
         exit(0);
 
     if (watchdog) {
@@ -2875,7 +2881,7 @@
     }
 
     /* init generic devices */
-    if (qemu_opts_foreach(&qemu_device_opts, device_init_func, NULL, 1) != 0)
+    if (qemu_opts_foreach(qemu_find_opts("device"), device_init_func, NULL, 1) != 0)
         exit(1);
 
     net_check_clients();