From patchwork Fri Jan 31 16:49:07 2014 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Martin Kletzander X-Patchwork-Id: 315758 Return-Path: X-Original-To: incoming@patchwork.ozlabs.org Delivered-To: patchwork-incoming@bilbo.ozlabs.org Received: from lists.gnu.org (lists.gnu.org [IPv6:2001:4830:134:3::11]) (using TLSv1 with cipher AES256-SHA (256/256 bits)) (No client certificate requested) by ozlabs.org (Postfix) with ESMTPS id 6335E2C00AE for ; Sat, 1 Feb 2014 03:50:02 +1100 (EST) Received: from localhost ([::1]:56922 helo=lists.gnu.org) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1W9HHy-0001qM-AH for incoming@patchwork.ozlabs.org; Fri, 31 Jan 2014 11:49:58 -0500 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 Received: from int-mx02.intmail.prod.int.phx2.redhat.com (int-mx02.intmail.prod.int.phx2.redhat.com [10.5.11.12]) by mx1.redhat.com (8.14.4/8.14.4) with ESMTP id s0VGnQ11020459 (version=TLSv1/SSLv3 cipher=DHE-RSA-AES256-SHA bits=256 verify=OK); Fri, 31 Jan 2014 11:49:27 -0500 Received: from wheatley.redhat.com (vpn1-7-176.ams2.redhat.com [10.36.7.176]) by int-mx02.intmail.prod.int.phx2.redhat.com (8.13.8/8.13.8) with ESMTP id s0VGnOjC003920; Fri, 31 Jan 2014 11:49:25 -0500 From: Martin Kletzander To: qemu-devel@nongnu.org Date: Fri, 31 Jan 2014 17:49:07 +0100 Message-Id: X-Scanned-By: MIMEDefang 2.67 on 10.5.11.12 X-detected-operating-system: by eggs.gnu.org: GNU/Linux 3.x X-Received-From: 209.132.183.28 Cc: Markus Armbruster , Anthony Liguori , Luiz Capitulino Subject: [Qemu-devel] [PATCH v2] qmp: expose list of supported character device backends X-BeenThere: qemu-devel@nongnu.org X-Mailman-Version: 2.1.14 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: qemu-devel-bounces+incoming=patchwork.ozlabs.org@nongnu.org Sender: qemu-devel-bounces+incoming=patchwork.ozlabs.org@nongnu.org Introduce 'query-chardev-backends' QMP command which lists all supported character device backends. Signed-off-by: Martin Kletzander Reviewed-by: Eric Blake --- 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(+) -- 1.8.5.3 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 -----------