From nobody Mon Feb 9 03:13:43 2026 Delivered-To: importer@patchew.org Received-SPF: pass (zoho.com: domain of gnu.org designates 209.51.188.17 as permitted sender) client-ip=209.51.188.17; envelope-from=qemu-devel-bounces+importer=patchew.org@nongnu.org; helo=lists.gnu.org; Authentication-Results: mx.zohomail.com; spf=pass (zoho.com: domain of gnu.org designates 209.51.188.17 as permitted sender) smtp.mailfrom=qemu-devel-bounces+importer=patchew.org@nongnu.org; dmarc=fail(p=none dis=none) header.from=redhat.com ARC-Seal: i=1; a=rsa-sha256; t=1571317881; cv=none; d=zoho.com; s=zohoarc; b=e0mtk50/bVVmTdqbD4e1pzj2wMrvE4icx6n+yN7JMa4Sm8264/k333r/TTjR03N+PHhdU2YYoeOoKE1l4kwOwMZgQTGsrYBsx5EaH7NtV9YDIY2593PbQht6s2n2Sp3UNrSvJbMvS4iu3CII7qrUBFSdFUHOCvvW7/zKniW7q9A= ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=zoho.com; s=zohoarc; t=1571317881; h=Content-Transfer-Encoding:Cc:Date:From:In-Reply-To:List-Subscribe:List-Post:List-Id:List-Archive:List-Help:List-Unsubscribe:MIME-Version:Message-ID:References:Sender:Subject:To; bh=6810YZSB8db50NDQ7scAJVuTXMwZtdFRglOY8VkmLEY=; b=bN5aBChS40wZ2rTlXTop8rPBoAsHjuKUmm8HSX3l6sqGFxIKPq1doyeywbQqth7tC1nySO6eN+b2z74LqsrUoU6Mocyaag3rbfBekD2o3ji10IcWKRfn8hTSbFiruBlL0NthMEOOdAeG4LmuqKhObYHHKOWqNw0ID/NeqYKqogc= ARC-Authentication-Results: i=1; mx.zoho.com; spf=pass (zoho.com: domain of gnu.org designates 209.51.188.17 as permitted sender) smtp.mailfrom=qemu-devel-bounces+importer=patchew.org@nongnu.org; dmarc=fail header.from= (p=none dis=none) header.from= Return-Path: Received: from lists.gnu.org (lists.gnu.org [209.51.188.17]) by mx.zohomail.com with SMTPS id 1571317881435779.9932654464641; Thu, 17 Oct 2019 06:11:21 -0700 (PDT) Received: from localhost ([::1]:46906 helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1iL5Yk-0001R1-7I for importer@patchew.org; Thu, 17 Oct 2019 09:11:18 -0400 Received: from eggs.gnu.org ([2001:470:142:3::10]:60083) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1iL5SD-0000qy-CW for qemu-devel@nongnu.org; Thu, 17 Oct 2019 09:04:34 -0400 Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1iL5S8-0008TN-9n for qemu-devel@nongnu.org; Thu, 17 Oct 2019 09:04:33 -0400 Received: from mx1.redhat.com ([209.132.183.28]:59546) by eggs.gnu.org with esmtps (TLS1.0:DHE_RSA_AES_256_CBC_SHA1:32) (Exim 4.71) (envelope-from ) id 1iL5S5-0008RL-Ez; Thu, 17 Oct 2019 09:04:25 -0400 Received: from smtp.corp.redhat.com (int-mx07.intmail.prod.int.phx2.redhat.com [10.5.11.22]) (using TLSv1.2 with cipher AECDH-AES256-SHA (256/256 bits)) (No client certificate requested) by mx1.redhat.com (Postfix) with ESMTPS id B7DDF18C4287; Thu, 17 Oct 2019 13:04:24 +0000 (UTC) Received: from localhost.localdomain.com (ovpn-117-24.ams2.redhat.com [10.36.117.24]) by smtp.corp.redhat.com (Postfix) with ESMTP id 374AA10098FB; Thu, 17 Oct 2019 13:04:23 +0000 (UTC) From: Kevin Wolf To: qemu-block@nongnu.org Subject: [RFC PATCH 10/18] qemu-storage-daemon: Add --chardev option Date: Thu, 17 Oct 2019 15:01:56 +0200 Message-Id: <20191017130204.16131-11-kwolf@redhat.com> In-Reply-To: <20191017130204.16131-1-kwolf@redhat.com> References: <20191017130204.16131-1-kwolf@redhat.com> MIME-Version: 1.0 X-Scanned-By: MIMEDefang 2.84 on 10.5.11.22 X-Greylist: Sender IP whitelisted, not delayed by milter-greylist-4.6.2 (mx1.redhat.com [10.5.110.62]); Thu, 17 Oct 2019 13:04:24 +0000 (UTC) Content-Transfer-Encoding: quoted-printable X-detected-operating-system: by eggs.gnu.org: GNU/Linux 2.2.x-3.x [generic] [fuzzy] X-Received-From: 209.132.183.28 X-BeenThere: qemu-devel@nongnu.org X-Mailman-Version: 2.1.23 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: kwolf@redhat.com, pkrempa@redhat.com, qemu-devel@nongnu.org, armbru@redhat.com, mreitz@redhat.com Errors-To: qemu-devel-bounces+importer=patchew.org@nongnu.org Sender: "Qemu-devel" Content-Type: text/plain; charset="utf-8" This adds a --chardev option to the storage daemon that works the same as the -chardev option of the system emulator. Signed-off-by: Kevin Wolf --- qemu-storage-daemon.c | 19 +++++++++++++++++++ Makefile | 2 +- 2 files changed, 20 insertions(+), 1 deletion(-) diff --git a/qemu-storage-daemon.c b/qemu-storage-daemon.c index 099388f645..46e0a6ea56 100644 --- a/qemu-storage-daemon.c +++ b/qemu-storage-daemon.c @@ -26,6 +26,7 @@ =20 #include "block/block.h" #include "block/nbd.h" +#include "chardev/char.h" #include "crypto/init.h" =20 #include "qapi/error.h" @@ -75,6 +76,9 @@ static void help(void) " [,driver specific parameters...]\n" " configure a block backend\n" "\n" +" --chardev configure a character device backend\n" +" (see the qemu(1) man page for possible options)\= n" +"\n" " --export [type=3D]nbd,device=3D[,name=3D]\n" " [,writable=3Don|off][,bitmap=3D]\n" " export the specified block node over NBD\n" @@ -96,10 +100,13 @@ QEMU_HELP_BOTTOM "\n", enum { OPTION_OBJECT =3D 256, OPTION_BLOCKDEV, + OPTION_CHARDEV, OPTION_NBD_SERVER, OPTION_EXPORT, }; =20 +extern QemuOptsList qemu_chardev_opts; + static QemuOptsList qemu_object_opts =3D { .name =3D "object", .implied_opt_name =3D "qom-type", @@ -130,6 +137,7 @@ static int process_options(int argc, char *argv[], Erro= r **errp) {"help", no_argument, 0, 'h'}, {"object", required_argument, 0, OPTION_OBJECT}, {"blockdev", required_argument, 0, OPTION_BLOCKDEV}, + {"chardev", required_argument, 0, OPTION_CHARDEV}, {"nbd-server", required_argument, 0, OPTION_NBD_SERVER}, {"export", required_argument, 0, OPTION_EXPORT}, {"version", no_argument, 0, 'V'}, @@ -189,6 +197,17 @@ static int process_options(int argc, char *argv[], Err= or **errp) qapi_free_BlockdevOptions(options); break; } + case OPTION_CHARDEV: + { + QemuOpts *opts =3D qemu_opts_parse(&qemu_chardev_opts, + optarg, true, &error_fata= l); + if (!qemu_chr_new_from_opts(opts, NULL, &error_fatal)) { + /* No error, but NULL returned means help was printed = */ + exit(EXIT_SUCCESS); + } + qemu_opts_del(opts); + break; + } case OPTION_NBD_SERVER: { Visitor *v; diff --git a/Makefile b/Makefile index b913d4d736..0e3e98582d 100644 --- a/Makefile +++ b/Makefile @@ -561,7 +561,7 @@ qemu-img.o: qemu-img-cmds.h qemu-img$(EXESUF): qemu-img.o $(authz-obj-y) $(block-obj-y) $(crypto-obj-y= ) $(io-obj-y) $(qom-obj-y) $(COMMON_LDADDS) qemu-nbd$(EXESUF): qemu-nbd.o $(authz-obj-y) $(block-obj-y) $(crypto-obj-y= ) $(io-obj-y) $(qom-obj-y) $(COMMON_LDADDS) qemu-io$(EXESUF): qemu-io.o $(authz-obj-y) $(block-obj-y) $(crypto-obj-y) = $(io-obj-y) $(qom-obj-y) $(COMMON_LDADDS) -qemu-storage-daemon$(EXESUF): qemu-storage-daemon.o $(authz-obj-y) $(block= -obj-y) $(crypto-obj-y) $(io-obj-y) $(qom-obj-y) $(storage-daemon-obj-y) $(= COMMON_LDADDS) +qemu-storage-daemon$(EXESUF): qemu-storage-daemon.o $(authz-obj-y) $(block= -obj-y) $(crypto-obj-y) $(chardev-obj-y) $(io-obj-y) $(qom-obj-y) $(storage= -daemon-obj-y) $(COMMON_LDADDS) =20 qemu-bridge-helper$(EXESUF): qemu-bridge-helper.o $(COMMON_LDADDS) =20 --=20 2.20.1