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>

13 files changed, 59 insertions, 66 deletions

diff --git a/blockdev.c b/blockdev.c
index 01e402b..ff7602b 100644
--- a/blockdev.c
+++ b/blockdev.c
@@ -50,7 +50,7 @@ QemuOpts *drive_add(const char *file, const char *fmt, ...)
     vsnprintf(optstr, sizeof(optstr), fmt, ap);
     va_end(ap);
 
-    opts = qemu_opts_parse(&qemu_drive_opts, optstr, 0);
+    opts = qemu_opts_parse(qemu_find_opts("drive"), optstr, 0);
     if (!opts) {
         return NULL;
     }
@@ -451,7 +451,7 @@ DriveInfo *drive_init(QemuOpts *opts, int default_to_scsi, int *fatal_error)
         break;
     case IF_VIRTIO:
         /* add virtio block device */
-        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-blk-pci");
         qemu_opt_set(opts, "drive", dinfo->id);
         if (devaddr)
diff --git a/hw/pci-hotplug.c b/hw/pci-hotplug.c
index c38f47f..6a5e3b8 100644
--- a/hw/pci-hotplug.c
+++ b/hw/pci-hotplug.c
@@ -51,7 +51,7 @@ static PCIDevice *qemu_pci_hot_add_nic(Monitor *mon,
         return NULL;
     }
 
-    opts = qemu_opts_parse(&qemu_net_opts, opts_str ? opts_str : "", 0);
+    opts = qemu_opts_parse(qemu_find_opts("net"), opts_str ? opts_str : "", 0);
     if (!opts) {
         return NULL;
     }
diff --git a/hw/qdev-properties.c b/hw/qdev-properties.c
index 9219cd7..2d600f5 100644
--- a/hw/qdev-properties.c
+++ b/hw/qdev-properties.c
@@ -772,5 +772,5 @@ static int qdev_add_one_global(QemuOpts *opts, void *opaque)
 
 void qemu_add_globals(void)
 {
-    qemu_opts_foreach(&qemu_global_opts, qdev_add_one_global, NULL, 0);
+    qemu_opts_foreach(qemu_find_opts("global"), qdev_add_one_global, NULL, 0);
 }
diff --git a/hw/qdev.c b/hw/qdev.c
index e99c73f..d1acf86 100644
--- a/hw/qdev.c
+++ b/hw/qdev.c
@@ -792,7 +792,7 @@ int do_device_add(Monitor *mon, const QDict *qdict, QObject **ret_data)
 {
     QemuOpts *opts;
 
-    opts = qemu_opts_from_qdict(&qemu_device_opts, qdict);
+    opts = qemu_opts_from_qdict(qemu_find_opts("device"), qdict);
     if (!opts) {
         return -1;
     }
diff --git a/hw/usb-msd.c b/hw/usb-msd.c
index 65e9624..8b510cf 100644
--- a/hw/usb-msd.c
+++ b/hw/usb-msd.c
@@ -575,7 +575,7 @@ static USBDevice *usb_msd_init(const char *filename)
 
     /* parse -usbdevice disk: syntax into drive opts */
     snprintf(id, sizeof(id), "usb%d", nr++);
-    opts = qemu_opts_create(&qemu_drive_opts, id, 0);
+    opts = qemu_opts_create(qemu_find_opts("drive"), id, 0);
 
     p1 = strchr(filename, ':');
     if (p1++) {
diff --git a/hw/usb-net.c b/hw/usb-net.c
index a43bd17..70f9263 100644
--- a/hw/usb-net.c
+++ b/hw/usb-net.c
@@ -1472,7 +1472,7 @@ static USBDevice *usb_net_init(const char *cmdline)
     QemuOpts *opts;
     int idx;
 
-    opts = qemu_opts_parse(&qemu_net_opts, cmdline, 0);
+    opts = qemu_opts_parse(qemu_find_opts("net"), cmdline, 0);
     if (!opts) {
         return NULL;
     }
diff --git a/hw/watchdog.c b/hw/watchdog.c
index aebb08a..e9dd56e 100644
--- a/hw/watchdog.c
+++ b/hw/watchdog.c
@@ -66,7 +66,7 @@ int select_watchdog(const char *p)
     QLIST_FOREACH(model, &watchdog_list, entry) {
         if (strcasecmp(model->wdt_name, p) == 0) {
             /* add the device */
-            opts = qemu_opts_create(&qemu_device_opts, NULL, 0);
+            opts = qemu_opts_create(qemu_find_opts("device"), NULL, 0);
             qemu_opt_set(opts, "driver", p);
             return 0;
         }
diff --git a/net.c b/net.c
index 8ddf872..3d0fde7 100644
--- a/net.c
+++ b/net.c
@@ -1168,7 +1168,7 @@ void net_host_device_add(Monitor *mon, const QDict *qdict)
         return;
     }
 
-    opts = qemu_opts_parse(&qemu_net_opts, opts_str ? opts_str : "", 0);
+    opts = qemu_opts_parse(qemu_find_opts("net"), opts_str ? opts_str : "", 0);
     if (!opts) {
         return;
     }
@@ -1202,7 +1202,7 @@ int do_netdev_add(Monitor *mon, const QDict *qdict, QObject **ret_data)
     QemuOpts *opts;
     int res;
 
-    opts = qemu_opts_from_qdict(&qemu_netdev_opts, qdict);
+    opts = qemu_opts_from_qdict(qemu_find_opts("netdev"), qdict);
     if (!opts) {
         return -1;
     }
@@ -1226,7 +1226,7 @@ int do_netdev_del(Monitor *mon, const QDict *qdict, QObject **ret_data)
         return -1;
     }
     qemu_del_vlan_client(vc);
-    qemu_opts_del(qemu_opts_find(&qemu_netdev_opts, id));
+    qemu_opts_del(qemu_opts_find(qemu_find_opts("netdev"), id));
     return 0;
 }
 
@@ -1349,21 +1349,23 @@ static int net_init_netdev(QemuOpts *opts, void *dummy)
 
 int net_init_clients(void)
 {
+    QemuOptsList *net = qemu_find_opts("net");
+
     if (default_net) {
         /* if no clients, we use a default config */
-        qemu_opts_set(&qemu_net_opts, NULL, "type", "nic");
+        qemu_opts_set(net, NULL, "type", "nic");
 #ifdef CONFIG_SLIRP
-        qemu_opts_set(&qemu_net_opts, NULL, "type", "user");
+        qemu_opts_set(net, NULL, "type", "user");
 #endif
     }
 
     QTAILQ_INIT(&vlans);
     QTAILQ_INIT(&non_vlan_clients);
 
-    if (qemu_opts_foreach(&qemu_netdev_opts, net_init_netdev, NULL, 1) == -1)
+    if (qemu_opts_foreach(qemu_find_opts("netdev"), net_init_netdev, NULL, 1) == -1)
         return -1;
 
-    if (qemu_opts_foreach(&qemu_net_opts, net_init_client, NULL, 1) == -1) {
+    if (qemu_opts_foreach(net, net_init_client, NULL, 1) == -1) {
         return -1;
     }
 
diff --git a/qemu-char.c b/qemu-char.c
index 33f2237..6d2dce7 100644
--- a/qemu-char.c
+++ b/qemu-char.c
@@ -2286,7 +2286,7 @@ QemuOpts *qemu_chr_parse_compat(const char *label, const char *filename)
     const char *p;
     QemuOpts *opts;
 
-    opts = qemu_opts_create(&qemu_chardev_opts, label, 1);
+    opts = qemu_opts_create(qemu_find_opts("chardev"), label, 1);
     if (NULL == opts)
         return NULL;
 
diff --git a/qemu-config.c b/qemu-config.c
index e84e15e..3abe655 100644
--- a/qemu-config.c
+++ b/qemu-config.c
@@ -5,7 +5,7 @@
 #include "sysemu.h"
 #include "hw/qdev.h"
 
-QemuOptsList qemu_drive_opts = {
+static QemuOptsList qemu_drive_opts = {
     .name = "drive",
     .head = QTAILQ_HEAD_INITIALIZER(qemu_drive_opts.head),
     .desc = {
@@ -84,7 +84,7 @@ QemuOptsList qemu_drive_opts = {
     },
 };
 
-QemuOptsList qemu_chardev_opts = {
+static QemuOptsList qemu_chardev_opts = {
     .name = "chardev",
     .implied_opt_name = "backend",
     .head = QTAILQ_HEAD_INITIALIZER(qemu_chardev_opts.head),
@@ -151,7 +151,6 @@ QemuOptsList qemu_chardev_opts = {
     },
 };
 
-#ifdef CONFIG_LINUX
 QemuOptsList qemu_fsdev_opts = {
     .name = "fsdev",
     .implied_opt_name = "fstype",
@@ -170,9 +169,7 @@ QemuOptsList qemu_fsdev_opts = {
         { /*End of list */ }
     },
 };
-#endif
 
-#ifdef CONFIG_LINUX
 QemuOptsList qemu_virtfs_opts = {
     .name = "virtfs",
     .implied_opt_name = "fstype",
@@ -195,9 +192,8 @@ QemuOptsList qemu_virtfs_opts = {
         { /*End of list */ }
     },
 };
-#endif
 
-QemuOptsList qemu_device_opts = {
+static QemuOptsList qemu_device_opts = {
     .name = "device",
     .implied_opt_name = "driver",
     .head = QTAILQ_HEAD_INITIALIZER(qemu_device_opts.head),
@@ -211,7 +207,7 @@ QemuOptsList qemu_device_opts = {
     },
 };
 
-QemuOptsList qemu_netdev_opts = {
+static QemuOptsList qemu_netdev_opts = {
     .name = "netdev",
     .implied_opt_name = "type",
     .head = QTAILQ_HEAD_INITIALIZER(qemu_netdev_opts.head),
@@ -224,7 +220,7 @@ QemuOptsList qemu_netdev_opts = {
     },
 };
 
-QemuOptsList qemu_net_opts = {
+static QemuOptsList qemu_net_opts = {
     .name = "net",
     .implied_opt_name = "type",
     .head = QTAILQ_HEAD_INITIALIZER(qemu_net_opts.head),
@@ -237,7 +233,7 @@ QemuOptsList qemu_net_opts = {
     },
 };
 
-QemuOptsList qemu_rtc_opts = {
+static QemuOptsList qemu_rtc_opts = {
     .name = "rtc",
     .head = QTAILQ_HEAD_INITIALIZER(qemu_rtc_opts.head),
     .desc = {
@@ -255,7 +251,7 @@ QemuOptsList qemu_rtc_opts = {
     },
 };
 
-QemuOptsList qemu_global_opts = {
+static QemuOptsList qemu_global_opts = {
     .name = "global",
     .head = QTAILQ_HEAD_INITIALIZER(qemu_global_opts.head),
     .desc = {
@@ -273,7 +269,7 @@ QemuOptsList qemu_global_opts = {
     },
 };
 
-QemuOptsList qemu_mon_opts = {
+static QemuOptsList qemu_mon_opts = {
     .name = "mon",
     .implied_opt_name = "chardev",
     .head = QTAILQ_HEAD_INITIALIZER(qemu_mon_opts.head),
@@ -292,7 +288,7 @@ QemuOptsList qemu_mon_opts = {
     },
 };
 
-QemuOptsList qemu_cpudef_opts = {
+static QemuOptsList qemu_cpudef_opts = {
     .name = "cpudef",
     .head = QTAILQ_HEAD_INITIALIZER(qemu_cpudef_opts.head),
     .desc = {
diff --git a/qemu-config.h b/qemu-config.h
index bf9bcc2..533a049 100644
--- a/qemu-config.h
+++ b/qemu-config.h
@@ -1,19 +1,8 @@
 #ifndef QEMU_CONFIG_H
 #define QEMU_CONFIG_H
 
-extern QemuOptsList qemu_drive_opts;
-extern QemuOptsList qemu_chardev_opts;
-#ifdef CONFIG_LINUX
 extern QemuOptsList qemu_fsdev_opts;
 extern QemuOptsList qemu_virtfs_opts;
-#endif
-extern QemuOptsList qemu_device_opts;
-extern QemuOptsList qemu_netdev_opts;
-extern QemuOptsList qemu_net_opts;
-extern QemuOptsList qemu_rtc_opts;
-extern QemuOptsList qemu_global_opts;
-extern QemuOptsList qemu_mon_opts;
-extern QemuOptsList qemu_cpudef_opts;
 
 QemuOptsList *qemu_find_opts(const char *group);
 void qemu_add_opts(QemuOptsList *list);
diff --git a/target-i386/cpuid.c b/target-i386/cpuid.c
index dade145..04ba8d5 100644
--- a/target-i386/cpuid.c
+++ b/target-i386/cpuid.c
@@ -965,7 +965,7 @@ void x86_cpudef_setup(void)
         x86_defs = &builtin_x86_defs[i];
     }
 #if !defined(CONFIG_USER_ONLY)
-    qemu_opts_foreach(&qemu_cpudef_opts, cpudef_register, NULL, 0);
+    qemu_opts_foreach(qemu_find_opts("cpudef"), cpudef_register, NULL, 0);
 #endif
 }
 
diff --git a/vl.c b/vl.c
index ccc8d57..a330f18 100644
--- a/vl.c
+++ b/vl.c
@@ -1461,12 +1461,12 @@ static int balloon_parse(const char *arg)
     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 @@ static void monitor_parse(const char *optarg, const char *mode)
         }
     }
 
-    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 parallel_parse(const char *devname)
 
 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 @@ static int virtcon_parse(const char *devname)
         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 @@ static int debugcon_parse(const char *devname)
     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 @@ int main(int argc, char **argv, char **envp)
     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 @@ int main(int argc, char **argv, char **envp)
                 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 @@ int main(int argc, char **argv, char **envp)
                 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 @@ int main(int argc, char **argv, char **envp)
                 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 @@ int main(int argc, char **argv, char **envp)
                                 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 @@ int main(int argc, char **argv, char **envp)
                 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 @@ int main(int argc, char **argv, char **envp)
                 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 @@ int main(int argc, char **argv, char **envp)
         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 @@ int main(int argc, char **argv, char **envp)
 
     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 @@ int main(int argc, char **argv, char **envp)
 
     /* 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 @@ int main(int argc, char **argv, char **envp)
         }
     }
 
-    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 @@ int main(int argc, char **argv, char **envp)
 
     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 @@ int main(int argc, char **argv, char **envp)
     }
 
     /* 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();