From nobody Mon Oct 6 14:43:12 2025 Delivered-To: importer@patchew.org Authentication-Results: mx.zohomail.com; dkim=fail; spf=pass (zohomail.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=1601364905; cv=none; d=zohomail.com; s=zohoarc; b=Q68jBEu5KOAj8/+/+04/QDQLPMcMrXEpBZ/mJ/xJ6i9lCHlcFN8BtN0k2otfwVPSlCsfSabYV4X2F6YYUE6is/CsWGFN8z8zvcFVySO9dAEze27Qmo3JjAKD/dD9dgAlGGg/51gIhtG4vcxM7ZSoihkPLEZ8Umvlzg89EuM7A0k= ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=zohomail.com; s=zohoarc; t=1601364905; h=Content-Type: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=0g5K5CUjVa2QgPkjnSBYRFmkoKQ6IkhV7beBCx5g004=; b=jZSDfk65AKhp22daVhODMKV2Xga8uB2MT1bCSbJsbJ+S4k4Yfuqfg4ou/hFzKzE32AVVyshOUjN3twuUnY1kSEhccmlXJxwqigztUVQDzYVhhXIXCZLE39hj3bFY5Y1W+EEJYuYyNM/iDL2r5dFcbntGKgZl5jwQmJjEvQlKhAw= ARC-Authentication-Results: i=1; mx.zohomail.com; dkim=fail; spf=pass (zohomail.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 1601364905095732.2492012014053; Tue, 29 Sep 2020 00:35:05 -0700 (PDT) Received: from localhost ([::1]:49346 helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1kNAAB-0002cH-1J for importer@patchew.org; Tue, 29 Sep 2020 03:35:03 -0400 Received: from eggs.gnu.org ([2001:470:142:3::10]:57954) by lists.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1kN9yI-0004Oe-MD for qemu-devel@nongnu.org; Tue, 29 Sep 2020 03:22:46 -0400 Received: from us-smtp-delivery-124.mimecast.com ([216.205.24.124]:48544) by eggs.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_CBC_SHA1:256) (Exim 4.90_1) (envelope-from ) id 1kN9yF-0001nz-Rd for qemu-devel@nongnu.org; Tue, 29 Sep 2020 03:22:46 -0400 Received: from mail-wm1-f71.google.com (mail-wm1-f71.google.com [209.85.128.71]) (Using TLS) by relay.mimecast.com with ESMTP id us-mta-109-77_-JigrPXiT0CPXiY5bjQ-1; Tue, 29 Sep 2020 03:22:24 -0400 Received: by mail-wm1-f71.google.com with SMTP id t8so1351281wmj.6 for ; Tue, 29 Sep 2020 00:22:24 -0700 (PDT) Received: from redhat.com (bzq-79-179-71-128.red.bezeqint.net. [79.179.71.128]) by smtp.gmail.com with ESMTPSA id u66sm4144303wmg.44.2020.09.29.00.22.21 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Tue, 29 Sep 2020 00:22:22 -0700 (PDT) Dkim-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=redhat.com; s=mimecast20190719; t=1601364159; h=from:from:reply-to:subject:subject:date:date:message-id:message-id: to:to:cc:cc:mime-version:mime-version:content-type:content-type: content-transfer-encoding:content-transfer-encoding: in-reply-to:in-reply-to:references:references; bh=0g5K5CUjVa2QgPkjnSBYRFmkoKQ6IkhV7beBCx5g004=; b=U08m/YGbUbIBEflUJn4W6qR5OIvGjgweWI6ZeXZ3rK+Fp29e2pslXbkhF1HPEN+/kN0zIo l0pzxDvYTh0sdyLL1rGnaAI2uIMm0V7ukHaivBSnyc0DvkDqNtyySoIdfNsJnjcwe0pkgz rsIsHaXhSnFGvX6R2ADd7intQUzpmuQ= X-MC-Unique: 77_-JigrPXiT0CPXiY5bjQ-1 X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:date:from:to:cc:subject:message-id:references :mime-version:content-disposition:content-transfer-encoding :in-reply-to; bh=0g5K5CUjVa2QgPkjnSBYRFmkoKQ6IkhV7beBCx5g004=; b=EgLAc0nVzVGv8evhhE77dqW3NjKSbovkio9Wit/ejmhbDyOiesZyua9YUFEPBgfwEi 4P6PBoqBefSrwHzrre3n9aZ/tStxjvjQ38TfNuQH44ArNt4hLhkVwNMQMS16319oGkb+ Ciy3xHmwPjlF59DMNn/O0owkgJTYGqyq9s7z9Xf+v893INxNs3rzSTjdY6wcBI2gwpCC YNf/Qqg6EeVpvOfAFk3F0OKLtf8cdYobw71s1+EWmIhk3G+YFPKEartmlFe5Zc/dHtOt TKvdne+8Ch5RKDuCAaDQVBevVP/t8OUprKB3dQh2WgUNd1ZJTRTPWS1LXuPRWp4gENfq J4ZQ== X-Gm-Message-State: AOAM533kyfKvcpG8CmYev4hbqFcfez2l1W20d4eLgl16cvs0VBwfFhar dEaPqWngtMHCgGmqKpI0Ixuh5FwosJz03z2xBnus3GhgM8bHmtn59os66g2pS441afi5PzVZgWe j0YxhAGnJkQahYgs= X-Received: by 2002:a1c:9c13:: with SMTP id f19mr2816210wme.97.1601364143313; Tue, 29 Sep 2020 00:22:23 -0700 (PDT) X-Google-Smtp-Source: ABdhPJyFsX0A/bvXO21sl053FhSgqTPGx6izlNDDAouB7BwmFc4SnRNBBxBMAs8Jkie4/8Nc83quWg== X-Received: by 2002:a1c:9c13:: with SMTP id f19mr2816192wme.97.1601364143057; Tue, 29 Sep 2020 00:22:23 -0700 (PDT) Date: Tue, 29 Sep 2020 03:22:20 -0400 From: "Michael S. Tsirkin" To: qemu-devel@nongnu.org Subject: [PULL v4 33/48] qemu-options: document SMBIOS type 11 settings Message-ID: <20200929071948.281157-34-mst@redhat.com> References: <20200929071948.281157-1-mst@redhat.com> MIME-Version: 1.0 In-Reply-To: <20200929071948.281157-1-mst@redhat.com> X-Mailer: git-send-email 2.27.0.106.g8ac3dc51b1 X-Mutt-Fcc: =sent Authentication-Results: relay.mimecast.com; auth=pass smtp.auth=CUSA124A263 smtp.mailfrom=mst@redhat.com X-Mimecast-Spam-Score: 0 X-Mimecast-Originator: redhat.com Content-Type: text/plain; charset="utf-8" Content-Disposition: inline Content-Transfer-Encoding: quoted-printable Received-SPF: pass (zohomail.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; Received-SPF: pass client-ip=216.205.24.124; envelope-from=mst@redhat.com; helo=us-smtp-delivery-124.mimecast.com X-detected-operating-system: by eggs.gnu.org: First seen = 2020/09/29 02:22:44 X-ACL-Warn: Detected OS = Linux 2.2.x-3.x [generic] [fuzzy] X-Spam_score_int: -14 X-Spam_score: -1.5 X-Spam_bar: - X-Spam_report: (-1.5 / 5.0 requ) BAYES_00=-1.9, DKIMWL_WL_HIGH=-0.687, DKIM_SIGNED=0.1, DKIM_VALID=-0.1, DKIM_VALID_AU=-0.1, DKIM_VALID_EF=-0.1, NUMERIC_HTTP_ADDR=1.242, RCVD_IN_DNSWL_NONE=-0.0001, RCVD_IN_MSPIKE_H5=0.001, RCVD_IN_MSPIKE_WL=0.001, SPF_HELO_NONE=0.001, SPF_PASS=-0.001, WEIRD_PORT=0.001 autolearn=ham autolearn_force=no X-Spam_action: no action 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: Peter Maydell , Jason Wang , Paolo Bonzini , Daniel =?utf-8?B?UC4gQmVycmFuZ8Op?= , Philippe =?utf-8?Q?Mathieu-Daud=C3=A9?= Errors-To: qemu-devel-bounces+importer=patchew.org@nongnu.org Sender: "Qemu-devel" X-ZohoMail-DKIM: fail (Header signature does not verify) From: Daniel P. Berrang=C3=A9 Reviewed-by: Philippe Mathieu-Daud=C3=A9 Signed-off-by: Daniel P. Berrang=C3=A9 Message-Id: <20200923133804.2089190-4-berrange@redhat.com> Reviewed-by: Michael S. Tsirkin Signed-off-by: Michael S. Tsirkin --- qemu-options.hx | 41 +++++++++++++++++++++++++++++++++++++++++ 1 file changed, 41 insertions(+) diff --git a/qemu-options.hx b/qemu-options.hx index 47f64be0c0..3564c2303f 100644 --- a/qemu-options.hx +++ b/qemu-options.hx @@ -2296,6 +2296,8 @@ DEF("smbios", HAS_ARG, QEMU_OPTION_smbios, "-smbios type=3D4[,sock_pfx=3Dstr][,manufacturer=3Dstr][,version=3Dstr= ][,serial=3Dstr]\n" " [,asset=3Dstr][,part=3Dstr][,max-speed=3D%d][,current-s= peed=3D%d]\n" " specify SMBIOS type 4 fields\n" + "-smbios type=3D11[,value=3Dstr][,path=3Dfilename]\n" + " specify SMBIOS type 11 fields\n" "-smbios type=3D17[,loc_pfx=3Dstr][,bank=3Dstr][,manufacturer=3Dstr][,= serial=3Dstr]\n" " [,asset=3Dstr][,part=3Dstr][,speed=3D%d]\n" " specify SMBIOS type 17 fields\n", @@ -2319,6 +2321,45 @@ SRST ``-smbios type=3D4[,sock_pfx=3Dstr][,manufacturer=3Dstr][,version=3Dstr][,= serial=3Dstr][,asset=3Dstr][,part=3Dstr]`` Specify SMBIOS type 4 fields =20 +``-smbios type=3D11[,value=3Dstr][,path=3Dfilename]`` + Specify SMBIOS type 11 fields + + This argument can be repeated multiple times, and values are added in = the order they are parsed. + Applications intending to use OEM strings data are encouraged to use t= heir application name as + a prefix for the value string. This facilitates passing information fo= r multiple applications + concurrently. + + The ``value=3Dstr`` syntax provides the string data inline, while the = ``path=3Dfilename`` syntax + loads data from a file on disk. Note that the file is not permitted to= contain any NUL bytes. + + Both the ``value`` and ``path`` options can be repeated multiple times= and will be added to + the SMBIOS table in the order in which they appear. + + Note that on the x86 architecture, the total size of all SMBIOS tables= is limited to 65535 + bytes. Thus the OEM strings data is not suitable for passing large amo= unts of data into the + guest. Instead it should be used as a indicator to inform the guest wh= ere to locate the real + data set, for example, by specifying the serial ID of a block device. + + An example passing three strings is + + .. parsed-literal:: + + -smbios type=3D11,value=3Dcloud-init:ds=3Dnocloud-net;s=3Dhttp://1= 0.10.0.1:8000/,\\ + value=3Danaconda:method=3Dhttp://dl.fedoraproject.= org/pub/fedora/linux/releases/25/x86_64/os,\\ + path=3D/some/file/with/oemstringsdata.txt + + In the guest OS this is visible with the ``dmidecode`` command + + .. parsed-literal:: + + $ dmidecode -t 11 + Handle 0x0E00, DMI type 11, 5 bytes + OEM Strings + String 1: cloud-init:ds=3Dnocloud-net;s=3Dhttp://10.10.0.1:8= 000/ + String 2: anaconda:method=3Dhttp://dl.fedoraproject.org/pub/= fedora/linux/releases/25/x86_64/os + String 3: myapp:some extra data + + ``-smbios type=3D17[,loc_pfx=3Dstr][,bank=3Dstr][,manufacturer=3Dstr][,ser= ial=3Dstr][,asset=3Dstr][,part=3Dstr][,speed=3D%d]`` Specify SMBIOS type 17 fields ERST --=20 MST