From mboxrd@z Thu Jan  1 00:00:00 1970
Received: from us-smtp-delivery-124.mimecast.com (us-smtp-delivery-124.mimecast.com [216.205.24.124])
 by mx.groups.io with SMTP id smtpd.web09.5266.1618484434397247848
 for <devel@edk2.groups.io>;
 Thu, 15 Apr 2021 04:00:40 -0700
Authentication-Results: mx.groups.io;
 dkim=pass header.i=@redhat.com header.s=mimecast20190719 header.b=PXTktxyb;
 spf=pass (domain: redhat.com, ip: 216.205.24.124, mailfrom: lersek@redhat.com)
DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=redhat.com;
	s=mimecast20190719; t=1618484433;
	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=mDAedw9soFh2xpd+nK9Qq6V9eatTixWMF7Wkg73y3d8=;
	b=PXTktxybR8s0o7CA2rPvhpE2OLr+jUluNj1JGHYrVN3SFtOAv5v5QTLoQl2KnVGNd0v/Ie
	rVJuQzZD2BNtO7+XBJe3EOqFsyDVt659k6br6FmkcdeW5vexn5++uCFqtNZCraiyF7QBJG
	secJ1v+XAWWpXepqzKnRYa9hghox59Q=
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-69-GyAy4Qb2P7SrO5TZm3TsHQ-1; Thu, 15 Apr 2021 07:00:27 -0400
X-MC-Unique: GyAy4Qb2P7SrO5TZm3TsHQ-1
Received: from smtp.corp.redhat.com (int-mx08.intmail.prod.int.phx2.redhat.com [10.5.11.23])
	(using TLSv1.2 with cipher AECDH-AES256-SHA (256/256 bits))
	(No client certificate requested)
	by mimecast-mx01.redhat.com (Postfix) with ESMTPS id 4868210054F6;
	Thu, 15 Apr 2021 11:00:26 +0000 (UTC)
Received: from lacos-laptop-7.usersys.redhat.com (ovpn-115-85.ams2.redhat.com [10.36.115.85])
	by smtp.corp.redhat.com (Postfix) with ESMTP id D8EBB19D9F;
	Thu, 15 Apr 2021 11:00:24 +0000 (UTC)
Subject: Re: [edk2-devel] [EDK2 / UEFI]: Support for flashing ubi-volume using fastboot
To: devel@edk2.groups.io, mcb30@ipxe.org, afish@apple.com,
 pintu.ping@gmail.com
Cc: edk2-devel <edk2-devel@lists.01.org>
References: <CAOuPNLiz4DA+uuLC97g_dvJN-iPK+x4GTtrq+Ev-MVoFUBOQaw@mail.gmail.com>
 <E0DB238F-23D3-4428-A8B8-A44F3E49FEBE@apple.com>
 <2ac07694-85ff-d6f2-6d02-cc33914d4df5@ipxe.org>
From: "Laszlo Ersek" <lersek@redhat.com>
Message-ID: <59e74e6a-16f5-3603-72b3-de7abe69664e@redhat.com>
Date: Thu, 15 Apr 2021 13:00:23 +0200
MIME-Version: 1.0
In-Reply-To: <2ac07694-85ff-d6f2-6d02-cc33914d4df5@ipxe.org>
X-Scanned-By: MIMEDefang 2.84 on 10.5.11.23
Authentication-Results: relay.mimecast.com;
	auth=pass smtp.auth=CUSA124A263 smtp.mailfrom=lersek@redhat.com
X-Mimecast-Spam-Score: 0
X-Mimecast-Originator: redhat.com
Content-Type: text/plain; charset=utf-8
Content-Language: en-US
Content-Transfer-Encoding: 7bit

On 04/14/21 21:41, Michael Brown wrote:
> On 14/04/2021 20:34, Andrew Fish via groups.io wrote:
>> EFI does not have a concept of Volume names, EFI has a concept of
>> EFI_HANDLEs that contain device paths that indentify the volume.
>>
>> The UEFI Shell has volume names, but that is a construct produced by
>> the UEFI Shell.
> 
> The filesystem label (if any) also gets exposed via EFI_FILE_SYSTEM_INFO
> in the VolumeLabel field, independently of the UEFI shell.

Also in "EFI_FILE_SYSTEM_VOLUME_LABEL.VolumeLabel".

(This is just a side comment, because I believe Pintu may not need
filesystem-level access (as in, SimpleFs).)

Thanks
Laszlo