Merge remote-tracking branch 'remotes/armbru/tags/pull-qapi-2016-03-04' into staging

QAPI patches for 2016-03-04

# gpg: Signature made Sat 05 Mar 2016 09:47:19 GMT using RSA key ID EB918653
# gpg: Good signature from "Markus Armbruster <armbru@redhat.com>"
# gpg:                 aka "Markus Armbruster <armbru@pond.sub.org>"

* remotes/armbru/tags/pull-qapi-2016-03-04:
  qapi: Drop useless 'data' member of unions
  chardev: Drop useless ChardevDummy type
  qapi: Avoid use of 'data' member of QAPI unions
  ui: Shorten references into InputEvent
  util: Shorten references into SocketAddress
  chardev: Shorten references into ChardevBackend
  qapi: Update docs to match recent generator changes
  qapi-visit: Expose visit_type_FOO_members()
  qapi: Rename 'fields' to 'members' in generated C code
  qapi: Rename 'fields' to 'members' in generator
  qapi-dealloc: Reduce use outside of generated code
  qmp-shell: fix pretty printing of JSON responses

Signed-off-by: Peter Maydell <peter.maydell@linaro.org>

3 files changed, 67 insertions, 53 deletions

diff --git a/ui/input-legacy.c b/ui/input-legacy.c
index 703f0a6..f1c5cb4a 100644
--- a/ui/input-legacy.c
+++ b/ui/input-legacy.c
@@ -110,12 +110,13 @@ static void legacy_kbd_event(DeviceState *dev, QemuConsole *src,
 {
     QEMUPutKbdEntry *entry = (QEMUPutKbdEntry *)dev;
     int scancodes[3], i, count;
+    InputKeyEvent *key = evt->u.key;
 
     if (!entry || !entry->put_kbd) {
         return;
     }
-    count = qemu_input_key_value_to_scancode(evt->u.key->key,
-                                             evt->u.key->down,
+    count = qemu_input_key_value_to_scancode(key->key,
+                                             key->down,
                                              scancodes);
     for (i = 0; i < count; i++) {
         entry->put_kbd(entry->opaque, scancodes[i]);
@@ -150,23 +151,25 @@ static void legacy_mouse_event(DeviceState *dev, QemuConsole *src,
         [INPUT_BUTTON_RIGHT]  = MOUSE_EVENT_RBUTTON,
     };
     QEMUPutMouseEntry *s = (QEMUPutMouseEntry *)dev;
+    InputBtnEvent *btn;
+    InputMoveEvent *move;
 
     switch (evt->type) {
     case INPUT_EVENT_KIND_BTN:
-        if (evt->u.btn->down) {
-            s->buttons |= bmap[evt->u.btn->button];
+        btn = evt->u.btn;
+        if (btn->down) {
+            s->buttons |= bmap[btn->button];
         } else {
-            s->buttons &= ~bmap[evt->u.btn->button];
+            s->buttons &= ~bmap[btn->button];
         }
-        if (evt->u.btn->down && evt->u.btn->button == INPUT_BUTTON_WHEEL_UP) {
+        if (btn->down && btn->button == INPUT_BUTTON_WHEEL_UP) {
             s->qemu_put_mouse_event(s->qemu_put_mouse_event_opaque,
                                     s->axis[INPUT_AXIS_X],
                                     s->axis[INPUT_AXIS_Y],
                                     -1,
                                     s->buttons);
         }
-        if (evt->u.btn->down &&
-            evt->u.btn->button == INPUT_BUTTON_WHEEL_DOWN) {
+        if (btn->down && btn->button == INPUT_BUTTON_WHEEL_DOWN) {
             s->qemu_put_mouse_event(s->qemu_put_mouse_event_opaque,
                                     s->axis[INPUT_AXIS_X],
                                     s->axis[INPUT_AXIS_Y],
@@ -175,10 +178,12 @@ static void legacy_mouse_event(DeviceState *dev, QemuConsole *src,
         }
         break;
     case INPUT_EVENT_KIND_ABS:
-        s->axis[evt->u.abs->axis] = evt->u.abs->value;
+        move = evt->u.abs;
+        s->axis[move->axis] = move->value;
         break;
     case INPUT_EVENT_KIND_REL:
-        s->axis[evt->u.rel->axis] += evt->u.rel->value;
+        move = evt->u.rel;
+        s->axis[move->axis] += move->value;
         break;
     default:
         break;
diff --git a/ui/input.c b/ui/input.c
index 6fd48ef..b035f86 100644
--- a/ui/input.c
+++ b/ui/input.c
@@ -166,24 +166,25 @@ void qmp_input_send_event(bool has_device, const char *device,
 
 static void qemu_input_transform_abs_rotate(InputEvent *evt)
 {
+    InputMoveEvent *move = evt->u.abs;
     switch (graphic_rotate) {
     case 90:
-        if (evt->u.abs->axis == INPUT_AXIS_X) {
-            evt->u.abs->axis = INPUT_AXIS_Y;
-        } else if (evt->u.abs->axis == INPUT_AXIS_Y) {
-            evt->u.abs->axis = INPUT_AXIS_X;
-            evt->u.abs->value = INPUT_EVENT_ABS_SIZE - 1 - evt->u.abs->value;
+        if (move->axis == INPUT_AXIS_X) {
+            move->axis = INPUT_AXIS_Y;
+        } else if (move->axis == INPUT_AXIS_Y) {
+            move->axis = INPUT_AXIS_X;
+            move->value = INPUT_EVENT_ABS_SIZE - 1 - move->value;
         }
         break;
     case 180:
-        evt->u.abs->value = INPUT_EVENT_ABS_SIZE - 1 - evt->u.abs->value;
+        move->value = INPUT_EVENT_ABS_SIZE - 1 - move->value;
         break;
     case 270:
-        if (evt->u.abs->axis == INPUT_AXIS_X) {
-            evt->u.abs->axis = INPUT_AXIS_Y;
-            evt->u.abs->value = INPUT_EVENT_ABS_SIZE - 1 - evt->u.abs->value;
-        } else if (evt->u.abs->axis == INPUT_AXIS_Y) {
-            evt->u.abs->axis = INPUT_AXIS_X;
+        if (move->axis == INPUT_AXIS_X) {
+            move->axis = INPUT_AXIS_Y;
+            move->value = INPUT_EVENT_ABS_SIZE - 1 - move->value;
+        } else if (move->axis == INPUT_AXIS_Y) {
+            move->axis = INPUT_AXIS_X;
         }
         break;
     }
@@ -193,22 +194,26 @@ static void qemu_input_event_trace(QemuConsole *src, InputEvent *evt)
 {
     const char *name;
     int qcode, idx = -1;
+    InputKeyEvent *key;
+    InputBtnEvent *btn;
+    InputMoveEvent *move;
 
     if (src) {
         idx = qemu_console_get_index(src);
     }
     switch (evt->type) {
     case INPUT_EVENT_KIND_KEY:
-        switch (evt->u.key->key->type) {
+        key = evt->u.key;
+        switch (key->key->type) {
         case KEY_VALUE_KIND_NUMBER:
-            qcode = qemu_input_key_number_to_qcode(evt->u.key->key->u.number);
+            qcode = qemu_input_key_number_to_qcode(key->key->u.number);
             name = QKeyCode_lookup[qcode];
-            trace_input_event_key_number(idx, evt->u.key->key->u.number,
-                                         name, evt->u.key->down);
+            trace_input_event_key_number(idx, key->key->u.number,
+                                         name, key->down);
             break;
         case KEY_VALUE_KIND_QCODE:
-            name = QKeyCode_lookup[evt->u.key->key->u.qcode];
-            trace_input_event_key_qcode(idx, name, evt->u.key->down);
+            name = QKeyCode_lookup[key->key->u.qcode];
+            trace_input_event_key_qcode(idx, name, key->down);
             break;
         case KEY_VALUE_KIND__MAX:
             /* keep gcc happy */
@@ -216,16 +221,19 @@ static void qemu_input_event_trace(QemuConsole *src, InputEvent *evt)
         }
         break;
     case INPUT_EVENT_KIND_BTN:
-        name = InputButton_lookup[evt->u.btn->button];
-        trace_input_event_btn(idx, name, evt->u.btn->down);
+        btn = evt->u.btn;
+        name = InputButton_lookup[btn->button];
+        trace_input_event_btn(idx, name, btn->down);
         break;
     case INPUT_EVENT_KIND_REL:
-        name = InputAxis_lookup[evt->u.rel->axis];
-        trace_input_event_rel(idx, name, evt->u.rel->value);
+        move = evt->u.rel;
+        name = InputAxis_lookup[move->axis];
+        trace_input_event_rel(idx, name, move->value);
         break;
     case INPUT_EVENT_KIND_ABS:
-        name = InputAxis_lookup[evt->u.abs->axis];
-        trace_input_event_abs(idx, name, evt->u.abs->value);
+        move = evt->u.abs;
+        name = InputAxis_lookup[move->axis];
+        trace_input_event_abs(idx, name, move->value);
         break;
     case INPUT_EVENT_KIND__MAX:
         /* keep gcc happy */
@@ -462,7 +470,7 @@ InputEvent *qemu_input_event_new_move(InputEventKind kind,
     InputMoveEvent *move = g_new0(InputMoveEvent, 1);
 
     evt->type = kind;
-    evt->u.data = move;
+    evt->u.rel = move; /* evt->u.rel is the same as evt->u.abs */
     move->axis = axis;
     move->value = value;
     return evt;
diff --git a/ui/vnc.c b/ui/vnc.c
index ce4c669..6cd6314 100644
--- a/ui/vnc.c
+++ b/ui/vnc.c
@@ -3530,12 +3530,13 @@ void vnc_display_open(const char *id, Error **errp)
             }
         } else {
             unsigned long long baseport;
+            InetSocketAddress *inet;
             saddr->type = SOCKET_ADDRESS_KIND_INET;
-            saddr->u.inet = g_new0(InetSocketAddress, 1);
+            inet = saddr->u.inet = g_new0(InetSocketAddress, 1);
             if (vnc[0] == '[' && vnc[hlen - 1] == ']') {
-                saddr->u.inet->host = g_strndup(vnc + 1, hlen - 2);
+                inet->host = g_strndup(vnc + 1, hlen - 2);
             } else {
-                saddr->u.inet->host = g_strndup(vnc, hlen);
+                inet->host = g_strndup(vnc, hlen);
             }
             if (parse_uint_full(h + 1, &baseport, 10) < 0) {
                 error_setg(errp, "can't convert to a number: %s", h + 1);
@@ -3546,32 +3547,32 @@ void vnc_display_open(const char *id, Error **errp)
                 error_setg(errp, "port %s out of range", h + 1);
                 goto fail;
             }
-            saddr->u.inet->port = g_strdup_printf(
+            inet->port = g_strdup_printf(
                 "%d", (int)baseport + 5900);
 
             if (to) {
-                saddr->u.inet->has_to = true;
-                saddr->u.inet->to = to + 5900;
+                inet->has_to = true;
+                inet->to = to + 5900;
             }
-            saddr->u.inet->ipv4 = ipv4;
-            saddr->u.inet->has_ipv4 = has_ipv4;
-            saddr->u.inet->ipv6 = ipv6;
-            saddr->u.inet->has_ipv6 = has_ipv6;
+            inet->ipv4 = ipv4;
+            inet->has_ipv4 = has_ipv4;
+            inet->ipv6 = ipv6;
+            inet->has_ipv6 = has_ipv6;
 
             if (vs->ws_enabled) {
                 wsaddr->type = SOCKET_ADDRESS_KIND_INET;
-                wsaddr->u.inet = g_new0(InetSocketAddress, 1);
-                wsaddr->u.inet->host = g_strdup(saddr->u.inet->host);
-                wsaddr->u.inet->port = g_strdup(websocket);
+                inet = wsaddr->u.inet = g_new0(InetSocketAddress, 1);
+                inet->host = g_strdup(saddr->u.inet->host);
+                inet->port = g_strdup(websocket);
 
                 if (to) {
-                    wsaddr->u.inet->has_to = true;
-                    wsaddr->u.inet->to = to;
+                    inet->has_to = true;
+                    inet->to = to;
                 }
-                wsaddr->u.inet->ipv4 = ipv4;
-                wsaddr->u.inet->has_ipv4 = has_ipv4;
-                wsaddr->u.inet->ipv6 = ipv6;
-                wsaddr->u.inet->has_ipv6 = has_ipv6;
+                inet->ipv4 = ipv4;
+                inet->has_ipv4 = has_ipv4;
+                inet->ipv6 = ipv6;
+                inet->has_ipv6 = has_ipv6;
             }
         }
     } else {