On Mon, 17 Dec 2012 11:21:10 +0530 Shraddha Kamat <sh200...@gmail.com> wrote:
> I am implementing couple of QMP commands to Qemu - so trying a > hello-world command first as shown here > https://github.com/qemu/qemu/blob/master/docs/writing-qmp-commands.txt > > Step 1 : > ======== > Added to qapi-schema.json file this : > { 'command': 'hello-world' } > > Step 2: > ======= > Added to qmp.c : > > void qmp_hello_world(Error **errp) > { > printf("Hello, world!\n"); > } > > Step 3 : > ======== > Added to qmp-commands.hx : > { > .name = "hello-world", > .args_type = "", > .mhandler.cmd_new = qmp_marshal_input_hello_world, > }, > > and build upstream Qemu-kvm : Shraddha, I've just followed the three steps above and things just worked for me: { "QMP": { "version": { "qemu": { "micro": 50, "minor": 3, "major": 1 }, "package": "" }, "capabilities": [ ] } } { "execute": "qmp_capabilities" } { "return": { } } { "execute": "hello-world" } { "return": { } } Patch below. There must something wrong with your tree. What's the qemu version you're using? diff --git a/qapi-schema.json b/qapi-schema.json index 5dfa052..717d201 100644 --- a/qapi-schema.json +++ b/qapi-schema.json @@ -3017,3 +3017,5 @@ # Since: 1.3.0 ## { 'command': 'nbd-server-stop' } + +{ 'command': 'hello-world' } diff --git a/qmp-commands.hx b/qmp-commands.hx index 5c692d0..50db26e 100644 --- a/qmp-commands.hx +++ b/qmp-commands.hx @@ -2654,3 +2654,9 @@ EQMP .args_type = "", .mhandler.cmd_new = qmp_marshal_input_query_target, }, + + { + .name = "hello-world", + .args_type = "", + .mhandler.cmd_new = qmp_marshal_input_hello_world, + }, diff --git a/qmp.c b/qmp.c index e3a7f0b..e5bfc35 100644 --- a/qmp.c +++ b/qmp.c @@ -519,3 +519,8 @@ void qmp_add_client(const char *protocol, const char *fdname, error_setg(errp, "protocol '%s' is invalid", protocol); close(fd); } + +void qmp_hello_world(Error **errp) +{ + printf("Hello, world!\n"); +}