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=-8.0 required=3.0 tests=BAYES_00,DKIM_INVALID, DKIM_SIGNED,HEADER_FROM_DIFFERENT_DOMAINS,MAILING_LIST_MULTI,SIGNED_OFF_BY, SPF_HELO_NONE,SPF_PASS,URIBL_BLOCKED,USER_AGENT_SANE_1 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 62194C433E2 for ; Wed, 9 Sep 2020 09:01:39 +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 DB796206C9 for ; Wed, 9 Sep 2020 09:01:38 +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="hWTn4bKK" DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org DB796206C9 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]:41592 helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1kFvyz-00018L-UN for qemu-devel@archiver.kernel.org; Wed, 09 Sep 2020 05:01:37 -0400 Received: from eggs.gnu.org ([2001:470:142:3::10]:47884) by lists.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1kFvy9-0000IG-J6 for qemu-devel@nongnu.org; Wed, 09 Sep 2020 05:00:45 -0400 Received: from us-smtp-delivery-1.mimecast.com ([207.211.31.120]:26049 helo=us-smtp-1.mimecast.com) by eggs.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_CBC_SHA1:256) (Exim 4.90_1) (envelope-from ) id 1kFvy7-00021k-MV for qemu-devel@nongnu.org; Wed, 09 Sep 2020 05:00:45 -0400 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=redhat.com; s=mimecast20190719; t=1599642042; h=from:from:reply-to: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=rwHwEH+hcxtK4GvmgVtbbkjf1tPkPVKwYH01ZUGePiQ=; b=hWTn4bKKnwGn7fdX/yUrRCB008Fc6JlQJl9mISy8LFGBF3asuqsvkQ4UMn58KON9TxDpSb 9Z8sdt9vTMtrsSzAj3TgDDa8pMj2azUL4Dcei0BixrOr3iHXgt95V0/1t2vZPseIUcodDW JUYQCI91kVDeztr2UReh//KwPTVHDdg= Received: from mimecast-mx01.redhat.com (mimecast-mx01.redhat.com [209.132.183.4]) (Using TLS) by relay.mimecast.com with ESMTP id us-mta-209-5SIE_yzgOjWaQ-hOR_WHPA-1; Wed, 09 Sep 2020 05:00:38 -0400 X-MC-Unique: 5SIE_yzgOjWaQ-hOR_WHPA-1 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 mimecast-mx01.redhat.com (Postfix) with ESMTPS id 57BEA801AEC; Wed, 9 Sep 2020 09:00:37 +0000 (UTC) Received: from redhat.com (ovpn-115-8.ams2.redhat.com [10.36.115.8]) by smtp.corp.redhat.com (Postfix) with ESMTPS id 9E9F110013D0; Wed, 9 Sep 2020 09:00:31 +0000 (UTC) Date: Wed, 9 Sep 2020 10:00:28 +0100 From: Daniel =?utf-8?B?UC4gQmVycmFuZ8Op?= To: Laszlo Ersek Subject: Re: [PATCH 1/5] hw/smbios: support loading OEM strings values from a file Message-ID: <20200909090028.GK1011023@redhat.com> References: <20200908165438.1008942-1-berrange@redhat.com> <20200908165438.1008942-2-berrange@redhat.com> MIME-Version: 1.0 In-Reply-To: User-Agent: Mutt/1.14.6 (2020-07-11) X-Scanned-By: MIMEDefang 2.84 on 10.5.11.22 Authentication-Results: relay.mimecast.com; auth=pass smtp.auth=CUSA124A263 smtp.mailfrom=berrange@redhat.com X-Mimecast-Spam-Score: 0.001 X-Mimecast-Originator: redhat.com Content-Type: text/plain; charset=utf-8 Content-Transfer-Encoding: 8bit Content-Disposition: inline Received-SPF: pass client-ip=207.211.31.120; envelope-from=berrange@redhat.com; helo=us-smtp-1.mimecast.com X-detected-operating-system: by eggs.gnu.org: First seen = 2020/09/09 03:05:47 X-ACL-Warn: Detected OS = Linux 2.2.x-3.x [generic] [fuzzy] X-Spam_score_int: -20 X-Spam_score: -2.1 X-Spam_bar: -- X-Spam_report: (-2.1 / 5.0 requ) BAYES_00=-1.9, DKIMWL_WL_HIGH=-0.001, DKIM_SIGNED=0.1, DKIM_VALID=-0.1, DKIM_VALID_AU=-0.1, DKIM_VALID_EF=-0.1, RCVD_IN_DNSWL_NONE=-0.0001, RCVD_IN_MSPIKE_H2=-0.001, SPF_HELO_NONE=0.001, SPF_PASS=-0.001 autolearn=unavailable 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: , Reply-To: Daniel =?utf-8?B?UC4gQmVycmFuZ8Op?= Cc: Peter Maydell , Eduardo Habkost , "Michael S. Tsirkin" , qemu-devel@nongnu.org, Markus Armbruster , qemu-arm@nongnu.org, Igor Mammedov , Paolo Bonzini , Richard Henderson Errors-To: qemu-devel-bounces+qemu-devel=archiver.kernel.org@nongnu.org Sender: "Qemu-devel" On Wed, Sep 09, 2020 at 10:18:47AM +0200, Laszlo Ersek wrote: > On 09/08/20 18:54, Daniel P. Berrangé wrote: > > Some applications want to pass quite large values for the OEM strings > > entries. Rather than having huge strings on the command line, it would > > be better to load them from a file, as supported with -fw_cfg. > > > > This introduces the "valuefile" parameter allowing for: > > > > $ echo -n "thisthing" > mydata.txt > > $ qemu-system-x86_64 \ > > -smbios type=11,value=something \ > > -smbios type=11,valuefile=mydata.txt \ > > -smbios type=11,value=somemore \ > > ...other args... > > > > Now in the guest > > > > $ dmidecide -t 11 > > Getting SMBIOS data from sysfs. > > SMBIOS 2.8 present. > > > > Handle 0x0E00, DMI type 11, 5 bytes > > OEM Strings > > String 1: something > > String 2: thisthing > > String 3: somemore > > > > Signed-off-by: Daniel P. Berrangé > > --- > > hw/smbios/smbios.c | 72 +++++++++++++++++++++++++++++++++++++--------- > > 1 file changed, 59 insertions(+), 13 deletions(-) > > (gearing up to test this / look into the edk2 problem, just one question > in passing: could we / would we simplify this with g_file_get_contents()?) Yes, but at the cost of loosing the ability to pass in a pre-opened FD, which qemu_open allows for. Regards, Daniel -- |: https://berrange.com -o- https://www.flickr.com/photos/dberrange :| |: https://libvirt.org -o- https://fstop138.berrange.com :| |: https://entangle-photo.org -o- https://www.instagram.com/dberrange :|