From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from eggs.gnu.org ([2001:4830:134:3::10]:50951) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1W9HHd-0001ov-4s for qemu-devel@nongnu.org; Fri, 31 Jan 2014 11:49:43 -0500 Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1W9HHW-00067D-Tm for qemu-devel@nongnu.org; Fri, 31 Jan 2014 11:49:37 -0500 Received: from mx1.redhat.com ([209.132.183.28]:45659) by eggs.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1W9HHW-000668-KF for qemu-devel@nongnu.org; Fri, 31 Jan 2014 11:49:30 -0500 From: Martin Kletzander Date: Fri, 31 Jan 2014 17:49:07 +0100 Message-Id: Subject: [Qemu-devel] [PATCH v2] qmp: expose list of supported character device backends List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , To: qemu-devel@nongnu.org Cc: Markus Armbruster , Anthony Liguori , Luiz Capitulino Introduce 'query-chardev-backends' QMP command which lists all supported character device backends. Signed-off-by: Martin Kletzander --- v2: - Version changed from "1.8.0" to "2.0" qapi-schema.json | 22 ++++++++++++++++++++++ qemu-char.c | 19 +++++++++++++++++++ qmp-commands.hx | 41 +++++++++++++++++++++++++++++++++++++++++ 3 files changed, 82 insertions(+) diff --git a/qapi-schema.json b/qapi-schema.json index 05ced9d..ebd278a 100644 --- a/qapi-schema.json +++ b/qapi-schema.json @@ -437,6 +437,28 @@ { 'command': 'query-chardev', 'returns': ['ChardevInfo'] } ## +# @ChardevBackendInfo: +# +# Information about a character device backend +# +# @name: The backend name +# +# Since: 2.0 +## +{ 'type': 'ChardevBackendInfo', 'data': {'name': 'str'} } + +## +# @query-chardev-backends: +# +# Returns information about character device backends. +# +# Returns: a list of @ChardevBackendInfo +# +# Since: 2.0 +## +{ 'command': 'query-chardev-backends', 'returns': ['ChardevBackendInfo'] } + +## # @DataFormat: # # An enumeration of data format. diff --git a/qemu-char.c b/qemu-char.c index 30c5a6a..c88f1c4 100644 --- a/qemu-char.c +++ b/qemu-char.c @@ -3432,6 +3432,25 @@ ChardevInfoList *qmp_query_chardev(Error **errp) return chr_list; } +ChardevBackendInfoList *qmp_query_chardev_backends(Error **errp) +{ + ChardevBackendInfoList *backend_list = NULL; + CharDriver *c = NULL; + GSList *i = NULL; + + for (i = backends; i; i = i->next) { + ChardevBackendInfoList *info = g_malloc0(sizeof(*info)); + c = i->data; + info->value = g_malloc0(sizeof(*info->value)); + info->value->name = g_strdup(c->name); + + info->next = backend_list; + backend_list = info; + } + + return backend_list; +} + CharDriverState *qemu_chr_find(const char *name) { CharDriverState *chr; diff --git a/qmp-commands.hx b/qmp-commands.hx index cce6b81..c38964d 100644 --- a/qmp-commands.hx +++ b/qmp-commands.hx @@ -1924,6 +1924,47 @@ EQMP }, SQMP +query-chardev-backends +------------- + +List available character device backends. + +Each backend is represented by a json-object, the returned value is a json-array +of all backends. + +Each json-object contains: + +- "name": backend name (json-string) + +Example: + +-> { "execute": "query-chardev-backends" } +<- { + "return":[ + { + "name":"udp", + }, + { + "name":"tcp", + }, + { + "name":"unix", + }, + { + "name":"spiceport", + } + ] + } + +EQMP + + { + .name = "query-chardev-backends", + .args_type = "", + .mhandler.cmd_new = qmp_marshal_input_query_chardev_backends, + }, + +SQMP query-block ----------- -- 1.8.5.3