From owner-freebsd-current@freebsd.org Wed Jun 17 20:49:07 2020 Return-Path: Delivered-To: freebsd-current@mailman.nyi.freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2610:1c1:1:606c::19:1]) by mailman.nyi.freebsd.org (Postfix) with ESMTP id 47B8E335ADE for ; Wed, 17 Jun 2020 20:49:07 +0000 (UTC) (envelope-from rebecca@bsdio.com) Received: from out03.mta.xmission.com (out03.mta.xmission.com [166.70.13.233]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (Client did not present a certificate) by mx1.freebsd.org (Postfix) with ESMTPS id 49nHH626bWz4Tkm for ; Wed, 17 Jun 2020 20:49:05 +0000 (UTC) (envelope-from rebecca@bsdio.com) DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=simple/simple; d=bsdio.com; s=xmission; h=Subject:Content-Transfer-Encoding:Content-Type:In-Reply-To: MIME-Version:Date:Message-ID:From:References:Cc:To:Sender:Reply-To:Content-ID :Content-Description:Resent-Date:Resent-From:Resent-Sender:Resent-To: Resent-Cc:Resent-Message-ID:List-Id:List-Help:List-Unsubscribe:List-Subscribe :List-Post:List-Owner:List-Archive; bh=b37RcHi56k4q5xwJjlOHerwGvHL5nGNUfn+rHpklByY=; b=m2+LRgimSczqF7/NWyk93wJULV cTIhhwc8urJ4ldyemuvn2FWvdvoooWboM5RQ0suOKgM2LfHu0VY1pcS6uA1zcH58j3LbOOlS1vgcQ j7t8hvP4mXx/jR1aQqKOBayP6EhIXxvAacR+mAnVO75XyRg758oIOv2/JubiYBUWvsl0=; Received: from in01.mta.xmission.com ([166.70.13.51]) by out03.mta.xmission.com with esmtps (TLS1.2:ECDHE_RSA_AES_128_GCM_SHA256:128) (Exim 4.90_1) (envelope-from ) id 1jlezY-0003VL-C8; Wed, 17 Jun 2020 14:49:04 -0600 Received: from mta4.zcs.xmission.com ([166.70.13.68]) by in01.mta.xmission.com with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.87) (envelope-from ) id 1jlezX-000235-QR; Wed, 17 Jun 2020 14:49:04 -0600 Received: from localhost (localhost [127.0.0.1]) by mta4.zcs.xmission.com (Postfix) with ESMTP id AE3D550043B; Wed, 17 Jun 2020 14:49:03 -0600 (MDT) X-Amavis-Modified: Mail body modified (using disclaimer) - mta4.zcs.xmission.com Received: from mta4.zcs.xmission.com ([127.0.0.1]) by localhost (mta4.zcs.xmission.com [127.0.0.1]) (amavisd-new, port 10026) with ESMTP id ln91gNm8BAq0; Wed, 17 Jun 2020 14:49:03 -0600 (MDT) Received: from [10.0.10.120] (c-174-52-16-57.hsd1.ut.comcast.net [174.52.16.57]) by mta4.zcs.xmission.com (Postfix) with ESMTPSA id 74196500089; Wed, 17 Jun 2020 14:49:03 -0600 (MDT) To: "Rodney W. Grimes" Cc: Warner Losh , Miguel C , FreeBSD Current References: <202006172011.05HKBS4q087132@gndrsh.dnsmgr.net> From: Rebecca Cran Message-ID: Date: Wed, 17 Jun 2020 14:49:02 -0600 User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:68.0) Gecko/20100101 Thunderbird/68.8.0 MIME-Version: 1.0 In-Reply-To: <202006172011.05HKBS4q087132@gndrsh.dnsmgr.net> Content-Type: text/plain; charset=utf-8; format=flowed Content-Transfer-Encoding: 7bit Content-Language: en-US X-XM-SPF: eid=1jlezX-000235-QR; ; ; mid=; ; ; hst=in01.mta.xmission.com; ; ; ip=166.70.13.68; ; ; frm=rebecca@bsdio.com; ; ; spf=pass X-SA-Exim-Connect-IP: 166.70.13.68 X-SA-Exim-Mail-From: rebecca@bsdio.com X-Spam-Checker-Version: SpamAssassin 3.4.2 (2018-09-13) on sa07.xmission.com X-Spam-Level: X-Spam-Status: No, score=-0.2 required=8.0 tests=ALL_TRUSTED,BAYES_50, DCC_CHECK_NEGATIVE,T_TM2_M_HEADER_IN_MSG autolearn=disabled version=3.4.2 X-Spam-Report: * -1.0 ALL_TRUSTED Passed through trusted hosts only via SMTP * 0.8 BAYES_50 BODY: Bayes spam probability is 40 to 60% * [score: 0.5000] * 0.0 T_TM2_M_HEADER_IN_MSG BODY: No description available. * -0.0 DCC_CHECK_NEGATIVE Not listed in DCC * [sa07 0; Body=1 Fuz1=1 Fuz2=1] X-Spam-DCC: ; sa07 0; Body=1 Fuz1=1 Fuz2=1 X-Spam-Combo: ;"Rodney W. Grimes" X-Spam-Relay-Country: X-Spam-Timing: total 317 ms - load_scoreonly_sql: 0.04 (0.0%), signal_user_changed: 12 (3.7%), b_tie_ro: 10 (3.2%), parse: 1.47 (0.5%), extract_message_metadata: 5 (1.6%), get_uri_detail_list: 0.81 (0.3%), tests_pri_-1000: 3.8 (1.2%), tests_pri_-950: 1.84 (0.6%), tests_pri_-900: 1.52 (0.5%), tests_pri_-90: 112 (35.4%), check_bayes: 110 (34.7%), b_tokenize: 8 (2.6%), b_tok_get_all: 6 (1.9%), b_comp_prob: 1.97 (0.6%), b_tok_touch_all: 90 (28.3%), b_finish: 1.01 (0.3%), tests_pri_0: 165 (52.1%), check_dkim_signature: 0.90 (0.3%), check_dkim_adsp: 10 (3.0%), poll_dns_idle: 0.33 (0.1%), tests_pri_10: 2.5 (0.8%), tests_pri_500: 8 (2.5%), rewrite_mail: 0.00 (0.0%) Subject: Re: CTF: UEFI HTTP boot support X-Spam-Flag: No X-SA-Exim-Version: 4.2.1 (built Thu, 05 May 2016 13:38:54 -0600) X-SA-Exim-Scanned: Yes (on in01.mta.xmission.com) X-Rspamd-Queue-Id: 49nHH626bWz4Tkm X-Spamd-Bar: -- Authentication-Results: mx1.freebsd.org; dkim=pass header.d=bsdio.com header.s=xmission header.b=m2+LRgim; dmarc=none; spf=pass (mx1.freebsd.org: domain of rebecca@bsdio.com designates 166.70.13.233 as permitted sender) smtp.mailfrom=rebecca@bsdio.com X-Spamd-Result: default: False [-2.91 / 15.00]; RCVD_VIA_SMTP_AUTH(0.00)[]; ARC_NA(0.00)[]; RCVD_COUNT_FIVE(0.00)[6]; R_DKIM_ALLOW(-0.20)[bsdio.com:s=xmission]; FROM_HAS_DN(0.00)[]; RCPT_COUNT_THREE(0.00)[4]; R_SPF_ALLOW(-0.20)[+ip4:166.70.13.0/24]; NEURAL_HAM_LONG(-0.96)[-0.964]; MIME_GOOD(-0.10)[text/plain]; DMARC_NA(0.00)[bsdio.com]; NEURAL_HAM_MEDIUM(-1.01)[-1.009]; RECEIVED_SPAMHAUS_PBL(0.00)[174.52.16.57:received]; TO_MATCH_ENVRCPT_SOME(0.00)[]; TO_DN_ALL(0.00)[]; DKIM_TRACE(0.00)[bsdio.com:+]; NEURAL_HAM_SHORT(-0.34)[-0.341]; FROM_EQ_ENVFROM(0.00)[]; MIME_TRACE(0.00)[0:+]; RCVD_TLS_LAST(0.00)[]; ASN(0.00)[asn:6315, ipnet:166.70.0.0/16, country:US]; FREEMAIL_CC(0.00)[bsdimp.com,gmail.com,freebsd.org]; MID_RHS_MATCH_FROM(0.00)[]; RCVD_IN_DNSWL_LOW(-0.10)[166.70.13.233:from] X-BeenThere: freebsd-current@freebsd.org X-Mailman-Version: 2.1.33 Precedence: list List-Id: Discussions about the use of FreeBSD-current List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Wed, 17 Jun 2020 20:49:07 -0000 On 6/17/20 2:11 PM, Rodney W. Grimes wrote: > Does freeBSD have any way to access these "Virtual Disk" > or Virtual CD images once we leave the world of the loader? > I believe we do not, as these are BIOS/UEFI devices that > require calls into the UEFI code, which, IIRC is gone > once we exit the loader and start the kernel proper, > or shortly there after. > > As far as I know these devices well not be found by the FreeBSD > cam layer ATA or AHCI drivers as they do not present an actual > PCI device to find. I just tried it on my Supermicro server and you're right, it doesn't show up under FreeBSD. I'm not sure if there's a way to access them via UEFI Runtime Services or if it's designed purely as a boot-time thing. -- Rebecca Cran