qapi script: add event support
qapi-event.py will parse the schema and generate qapi-event.c, then
the API in qapi-event.c can be used to handle events in qemu code.
All API have prefix "qapi_event".
The script mainly includes two parts: generate API for each event
define, generate an enum type for all defined events.
Since in some cases the real emit behavior may change, for example,
qemu-img would not send a event, a callback layer is used to
control the behavior. As a result, the stubs at compile time
can be saved, the binding of block layer code and monitor code
will become looser.
Signed-off-by: Wenchao Xia <wenchaoqemu@gmail.com>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
Reviewed-by: Eric Blake <eblake@redhat.com>
Signed-off-by: Luiz Capitulino <lcapitulino@redhat.com>
diff --git a/Makefile b/Makefile
index 800fbf3..f473cf5 100644
--- a/Makefile
+++ b/Makefile
@@ -45,8 +45,8 @@
endif
GENERATED_HEADERS = config-host.h qemu-options.def
-GENERATED_HEADERS += qmp-commands.h qapi-types.h qapi-visit.h
-GENERATED_SOURCES += qmp-marshal.c qapi-types.c qapi-visit.c
+GENERATED_HEADERS += qmp-commands.h qapi-types.h qapi-visit.h qapi-event.h
+GENERATED_SOURCES += qmp-marshal.c qapi-types.c qapi-visit.c qapi-event.c
GENERATED_HEADERS += trace/generated-events.h
GENERATED_SOURCES += trace/generated-events.c
@@ -202,7 +202,7 @@
# Build libraries
libqemustub.a: $(stub-obj-y)
-libqemuutil.a: $(util-obj-y) qapi-types.o qapi-visit.o
+libqemuutil.a: $(util-obj-y) qapi-types.o qapi-visit.o qapi-event.o
block-modules = $(foreach o,$(block-obj-m),"$(basename $(subst /,-,$o))",) NULL
util/module.o-cflags = -D'CONFIG_BLOCK_MODULES=$(block-modules)'
@@ -259,6 +259,11 @@
$(call quiet-command,$(PYTHON) $(SRC_PATH)/scripts/qapi-visit.py \
$(gen-out-type) -o "." -b -i $<, \
" GEN $@")
+qapi-event.c qapi-event.h :\
+$(qapi-modules) $(SRC_PATH)/scripts/qapi-event.py $(qapi-py)
+ $(call quiet-command,$(PYTHON) $(SRC_PATH)/scripts/qapi-event.py \
+ $(gen-out-type) -o "." -b -i $<, \
+ " GEN $@")
qmp-commands.h qmp-marshal.c :\
$(qapi-modules) $(SRC_PATH)/scripts/qapi-commands.py $(qapi-py)
$(call quiet-command,$(PYTHON) $(SRC_PATH)/scripts/qapi-commands.py \
