From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-11.4 required=3.0 tests=BAYES_00,DKIM_INVALID, DKIM_SIGNED,HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_PATCH,MAILING_LIST_MULTI, NUMERIC_HTTP_ADDR,SIGNED_OFF_BY,SPF_HELO_NONE,SPF_PASS,URIBL_BLOCKED, USER_AGENT_GIT,WEIRD_PORT autolearn=ham autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id 36416C4346E for ; Tue, 29 Sep 2020 07:34:47 +0000 (UTC) Received: from lists.gnu.org (lists.gnu.org [209.51.188.17]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mail.kernel.org (Postfix) with ESMTPS id B930A207F7 for ; Tue, 29 Sep 2020 07:34:46 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=fail reason="signature verification failed" (1024-bit key) header.d=redhat.com header.i=@redhat.com header.b="U08m/YGb" DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org B930A207F7 Authentication-Results: mail.kernel.org; dmarc=fail (p=none dis=none) header.from=redhat.com Authentication-Results: mail.kernel.org; spf=pass smtp.mailfrom=qemu-devel-bounces+qemu-devel=archiver.kernel.org@nongnu.org Received: from localhost ([::1]:49346 helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1kNA9t-0002cH-Qb for qemu-devel@archiver.kernel.org; Tue, 29 Sep 2020 03:34:45 -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 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= 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 X-MC-Unique: 77_-JigrPXiT0CPXiY5bjQ-1 Received: by mail-wm1-f71.google.com with SMTP id t8so1351281wmj.6 for ; Tue, 29 Sep 2020 00:22:24 -0700 (PDT) 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) 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) 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: 8bit 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+qemu-devel=archiver.kernel.org@nongnu.org Sender: "Qemu-devel" From: Daniel P. Berrangé Reviewed-by: Philippe Mathieu-Daudé Signed-off-by: Daniel P. Berrangé 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=4[,sock_pfx=str][,manufacturer=str][,version=str][,serial=str]\n" " [,asset=str][,part=str][,max-speed=%d][,current-speed=%d]\n" " specify SMBIOS type 4 fields\n" + "-smbios type=11[,value=str][,path=filename]\n" + " specify SMBIOS type 11 fields\n" "-smbios type=17[,loc_pfx=str][,bank=str][,manufacturer=str][,serial=str]\n" " [,asset=str][,part=str][,speed=%d]\n" " specify SMBIOS type 17 fields\n", @@ -2319,6 +2321,45 @@ SRST ``-smbios type=4[,sock_pfx=str][,manufacturer=str][,version=str][,serial=str][,asset=str][,part=str]`` Specify SMBIOS type 4 fields +``-smbios type=11[,value=str][,path=filename]`` + 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 their application name as + a prefix for the value string. This facilitates passing information for multiple applications + concurrently. + + The ``value=str`` syntax provides the string data inline, while the ``path=filename`` 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 amounts of data into the + guest. Instead it should be used as a indicator to inform the guest where 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=11,value=cloud-init:ds=nocloud-net;s=http://10.10.0.1:8000/,\\ + value=anaconda:method=http://dl.fedoraproject.org/pub/fedora/linux/releases/25/x86_64/os,\\ + path=/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=nocloud-net;s=http://10.10.0.1:8000/ + String 2: anaconda:method=http://dl.fedoraproject.org/pub/fedora/linux/releases/25/x86_64/os + String 3: myapp:some extra data + + ``-smbios type=17[,loc_pfx=str][,bank=str][,manufacturer=str][,serial=str][,asset=str][,part=str][,speed=%d]`` Specify SMBIOS type 17 fields ERST -- MST