Merge remote-tracking branch 'remotes/mjt/tags/trivial-patches-2014-09-26' into staging

trivial patches for 2014-09-26

# gpg: Signature made Fri 26 Sep 2014 18:33:53 BST using RSA key ID A4C3D7DB
# gpg: Good signature from "Michael Tokarev <mjt@tls.msk.ru>"
# gpg:                 aka "Michael Tokarev <mjt@corpit.ru>"
# gpg:                 aka "Michael Tokarev <mjt@debian.org>"
# gpg: WARNING: This key is not certified with a trusted signature!
# gpg:          There is no indication that the signature belongs to the owner.
# Primary key fingerprint: 6EE1 95D1 886E 8FFB 810D  4324 457C E0A0 8044 65C5
#      Subkey fingerprint: 6F67 E18E 7C91 C5B1 5514  66A7 BEE5 9D74 A4C3 D7DB

* remotes/mjt/tags/trivial-patches-2014-09-26:
  os-posix: report error message when lock file failed
  os-posix: remove confused errno
  os-posix: change tab to space avoid violating coding style
  qapi: Update docs given recent event, spacing fixes
  qapi: Ignore files created during make check
  qapi: Consistent whitespace in tests/Makefile
  vmxcap: Update according to SDM of September 2014
  .travis.yml: remove "make check" from main matrix
  .travis.yml: pre-seed sub-modules for speed
  .travis.yml: make the make slightly more parallel
  .travis.yml: add more linux-user to the build matrix
  tests: avoid running duplicate qom-tests

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

1 files changed, 80 insertions, 20 deletions

diff --git a/docs/qapi-code-gen.txt b/docs/qapi-code-gen.txt
index a6197a9133..8313ba6af8 100644
--- a/docs/qapi-code-gen.txt
+++ b/docs/qapi-code-gen.txt
@@ -1,10 +1,5 @@
 = How to use the QAPI code generator =
 
-* Note: as of this writing, QMP does not use QAPI. Eventually QMP
-commands will be converted to use QAPI internally. The following
-information describes QMP/QAPI as it will exist after the
-conversion.
-
 QAPI is a native C API within QEMU which provides management-level
 functionality to internal/external users. For external
 users/processes, this interface is made available by a JSON-based
@@ -19,7 +14,7 @@ marshaling/dispatch code for the guest agent server running in the
 guest.
 
 This document will describe how the schemas, scripts, and resulting
-code is used.
+code are used.
 
 
 == QMP/Guest agent schema ==
@@ -234,6 +229,7 @@ Resulting in this JSON object:
   "data": { "b": "test string" },
   "timestamp": { "seconds": 1267020223, "microseconds": 435656 } }
 
+
 == Code generation ==
 
 Schemas are fed into 3 scripts to generate all the code/files that, paired
@@ -256,6 +252,8 @@ command which takes that type as a parameter and returns the same type:
       'data':    {'arg1': 'UserDefOne'},
       'returns': 'UserDefOne' }
 
+    { 'event': 'MY_EVENT' }
+
 === scripts/qapi-types.py ===
 
 Used to generate the C types defined by a schema. The following files are
@@ -277,7 +275,7 @@ Example:
     $ cat qapi-generated/example-qapi-types.c
 [Uninteresting stuff omitted...]
 
-    void qapi_free_UserDefOneList(UserDefOneList * obj)
+    void qapi_free_UserDefOneList(UserDefOneList *obj)
     {
         QapiDeallocVisitor *md;
         Visitor *v;
@@ -292,7 +290,7 @@ Example:
         qapi_dealloc_visitor_cleanup(md);
     }
 
-    void qapi_free_UserDefOne(UserDefOne * obj)
+    void qapi_free_UserDefOne(UserDefOne *obj)
     {
         QapiDeallocVisitor *md;
         Visitor *v;
@@ -331,11 +329,11 @@ Example:
     struct UserDefOne
     {
         int64_t integer;
-        char * string;
+        char *string;
     };
 
-    void qapi_free_UserDefOneList(UserDefOneList * obj);
-    void qapi_free_UserDefOne(UserDefOne * obj);
+    void qapi_free_UserDefOneList(UserDefOneList *obj);
+    void qapi_free_UserDefOne(UserDefOne *obj);
 
     #endif
 
@@ -364,7 +362,7 @@ Example:
     $ cat qapi-generated/example-qapi-visit.c
 [Uninteresting stuff omitted...]
 
-    static void visit_type_UserDefOne_fields(Visitor *m, UserDefOne ** obj, Error **errp)
+    static void visit_type_UserDefOne_fields(Visitor *m, UserDefOne **obj, Error **errp)
     {
         Error *err = NULL;
         visit_type_int(m, &(*obj)->integer, "integer", &err);
@@ -380,7 +378,7 @@ Example:
         error_propagate(errp, err);
     }
 
-    void visit_type_UserDefOne(Visitor *m, UserDefOne ** obj, const char *name, Error **errp)
+    void visit_type_UserDefOne(Visitor *m, UserDefOne **obj, const char *name, Error **errp)
     {
         Error *err = NULL;
 
@@ -394,7 +392,7 @@ Example:
         error_propagate(errp, err);
     }
 
-    void visit_type_UserDefOneList(Visitor *m, UserDefOneList ** obj, const char *name, Error **errp)
+    void visit_type_UserDefOneList(Visitor *m, UserDefOneList **obj, const char *name, Error **errp)
     {
         Error *err = NULL;
         GenericList *i, **prev;
@@ -427,8 +425,8 @@ Example:
 
 [Visitors for builtin types omitted...]
 
-    void visit_type_UserDefOne(Visitor *m, UserDefOne ** obj, const char *name, Error **errp);
-    void visit_type_UserDefOneList(Visitor *m, UserDefOneList ** obj, const char *name, Error **errp);
+    void visit_type_UserDefOne(Visitor *m, UserDefOne **obj, const char *name, Error **errp);
+    void visit_type_UserDefOneList(Visitor *m, UserDefOneList **obj, const char *name, Error **errp);
 
     #endif
 
@@ -451,10 +449,12 @@ $(prefix)qmp-commands.h: Function prototypes for the QMP commands
 
 Example:
 
+    $ python scripts/qapi-commands.py --output-dir="qapi-generated"
+    --prefix="example-" --input-file=example-schema.json
     $ cat qapi-generated/example-qmp-marshal.c
 [Uninteresting stuff omitted...]
 
-    static void qmp_marshal_output_my_command(UserDefOne * ret_in, QObject **ret_out, Error **errp)
+    static void qmp_marshal_output_my_command(UserDefOne *ret_in, QObject **ret_out, Error **errp)
     {
         Error *local_err = NULL;
         QmpOutputVisitor *mo = qmp_output_visitor_new();
@@ -480,11 +480,11 @@ Example:
     static void qmp_marshal_input_my_command(QDict *args, QObject **ret, Error **errp)
     {
         Error *local_err = NULL;
-        UserDefOne * retval = NULL;
+        UserDefOne *retval = NULL;
         QmpInputVisitor *mi = qmp_input_visitor_new_strict(QOBJECT(args));
         QapiDeallocVisitor *md;
         Visitor *v;
-        UserDefOne * arg1 = NULL;
+        UserDefOne *arg1 = NULL;
 
         v = qmp_input_get_visitor(mi);
         visit_type_UserDefOne(v, &arg1, "arg1", &local_err);
@@ -525,6 +525,66 @@ Example:
     #include "qapi/qmp/qdict.h"
     #include "qapi/error.h"
 
-    UserDefOne * qmp_my_command(UserDefOne * arg1, Error **errp);
+    UserDefOne *qmp_my_command(UserDefOne *arg1, Error **errp);
+
+    #endif
+
+=== scripts/qapi-event.py ===
+
+Used to generate the event-related C code defined by a schema. The
+following files are created:
+
+$(prefix)qapi-event.h - Function prototypes for each event type, plus an
+                        enumeration of all event names
+$(prefix)qapi-event.c - Implementation of functions to send an event
+
+Example:
+
+    $ python scripts/qapi-event.py --output-dir="qapi-generated"
+    --prefix="example-" --input-file=example-schema.json
+    $ cat qapi-generated/example-qapi-event.c
+[Uninteresting stuff omitted...]
+
+    void qapi_event_send_my_event(Error **errp)
+    {
+        QDict *qmp;
+        Error *local_err = NULL;
+        QMPEventFuncEmit emit;
+        emit = qmp_event_get_func_emit();
+        if (!emit) {
+            return;
+        }
+
+        qmp = qmp_event_build_dict("MY_EVENT");
+
+        emit(EXAMPLE_QAPI_EVENT_MY_EVENT, qmp, &local_err);
+
+        error_propagate(errp, local_err);
+        QDECREF(qmp);
+    }
+
+    const char *EXAMPLE_QAPIEvent_lookup[] = {
+        "MY_EVENT",
+        NULL,
+    };
+    $ cat qapi-generated/example-qapi-event.h
+[Uninteresting stuff omitted...]
+
+    #ifndef EXAMPLE_QAPI_EVENT_H
+    #define EXAMPLE_QAPI_EVENT_H
+
+    #include "qapi/error.h"
+    #include "qapi/qmp/qdict.h"
+    #include "example-qapi-types.h"
+
+
+    void qapi_event_send_my_event(Error **errp);
+
+    extern const char *EXAMPLE_QAPIEvent_lookup[];
+    typedef enum EXAMPLE_QAPIEvent
+    {
+        EXAMPLE_QAPI_EVENT_MY_EVENT = 0,
+        EXAMPLE_QAPI_EVENT_MAX = 1,
+    } EXAMPLE_QAPIEvent;
 
     #endif