From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from eggs.gnu.org ([2001:4830:134:3::10]:58904) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1drPx2-0003jZ-M6 for qemu-devel@nongnu.org; Mon, 11 Sep 2017 10:44:41 -0400 Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1drPwy-0002ZI-NI for qemu-devel@nongnu.org; Mon, 11 Sep 2017 10:44:40 -0400 Received: from mx0a-001b2d01.pphosted.com ([148.163.156.1]:54123) by eggs.gnu.org with esmtps (TLS1.0:RSA_AES_256_CBC_SHA1:32) (Exim 4.71) (envelope-from ) id 1drPwy-0002Yg-E2 for qemu-devel@nongnu.org; Mon, 11 Sep 2017 10:44:36 -0400 Received: from pps.filterd (m0098409.ppops.net [127.0.0.1]) by mx0a-001b2d01.pphosted.com (8.16.0.21/8.16.0.21) with SMTP id v8BEiDSC005085 for ; Mon, 11 Sep 2017 10:44:34 -0400 Received: from e06smtp12.uk.ibm.com (e06smtp12.uk.ibm.com [195.75.94.108]) by mx0a-001b2d01.pphosted.com with ESMTP id 2cwt0tv3u8-1 (version=TLSv1.2 cipher=AES256-SHA bits=256 verify=NOT) for ; Mon, 11 Sep 2017 10:44:34 -0400 Received: from localhost by e06smtp12.uk.ibm.com with IBM ESMTP SMTP Gateway: Authorized Use Only! Violators will be prosecuted for from ; Mon, 11 Sep 2017 15:44:32 +0100 References: <1505126027-1704-1-git-send-email-mihajlov@linux.vnet.ibm.com> From: Viktor Mihajlovski Date: Mon, 11 Sep 2017 16:44:29 +0200 MIME-Version: 1.0 In-Reply-To: Content-Type: text/plain; charset=utf-8 Content-Language: en-GB Message-Id: Content-Transfer-Encoding: quoted-printable Subject: Re: [Qemu-devel] [PATCH] s390: set DHCP client architecure id for netboot List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , To: Thomas Huth , qemu-devel@nongnu.org Cc: borntraeger@de.ibm.com On 11.09.2017 15:58, Thomas Huth wrote: > On 11.09.2017 12:33, Viktor Mihajlovski wrote: >> Setting the client architecture DHCP option to 0x001f (s390 Basic) [1] >> allows the DHCP server to return a s390-specific bootfile if wanted. >> DHCP servers not configured for the option (or not yet recognizing the >> option value) will continue to work as they have done before. >> >> [1] https://www.iana.org/assignments/dhcpv6-parameters >=20 > Ah, nice, you already registered a value for s390x :-) > May I ask what's the difference between "Basic" and "Extended" there? >=20 sure, "Basic" stands for the "classic netboot", i.e. a single binary file is designated by the bootfile in the DHCP reply. "Extended" is the mode implemented by Dynamic Partition Manager, where the bootfile is some sort of configuration file. [...] --=20 Mit freundlichen Gr=C3=BC=C3=9Fen/Kind Regards Viktor Mihajlovski IBM Deutschland Research & Development GmbH Vorsitzender des Aufsichtsrats: Martina K=C3=B6deritz Gesch=C3=A4ftsf=C3=BChrung: Dirk Wittkopp Sitz der Gesellschaft: B=C3=B6blingen Registergericht: Amtsgericht Stuttgart, HRB 243294