From nobody Sat Nov 23 20:37:06 2024 Delivered-To: importer@patchew.org Authentication-Results: mx.zohomail.com; dkim=pass; spf=pass (zohomail.com: domain of gnu.org designates 209.51.188.17 as permitted sender) smtp.mailfrom=qemu-devel-bounces+importer=patchew.org@nongnu.org; dmarc=pass(p=none dis=none) header.from=redhat.com ARC-Seal: i=1; a=rsa-sha256; t=1731951453; cv=none; d=zohomail.com; s=zohoarc; b=Zhtabl5QuMWGcL2v60WfHimRkOqXOmUzp+8yBaB0cLwrLTdmCnxcv+1aMysNoMUNqj0qJO1qewXchcNd82fbOU8XWS03ehRzOCsmqbK/tggzamuOmylBW/1I5PvcA0Ww7csYeRMJxuQQJ3wuT4hY1s5pCzAWvoTeJTIJXElJrOM= ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=zohomail.com; s=zohoarc; t=1731951453; h=Content-Transfer-Encoding:Cc:Cc:Date:Date:From:From:In-Reply-To:List-Subscribe:List-Post:List-Id:List-Archive:List-Help:List-Unsubscribe:MIME-Version:Message-ID:References:Sender:Subject:Subject:To:To:Message-Id:Reply-To; bh=VJhFIt+Avk9efs65XYYhBIvWur/LnUUbkyjdszyi2Io=; b=ThZyIhZnKef8JaFyKCQc7DddMoO3V+VFZ0oVvHl7Jkc/Ea98xtU3XBFZKaxUIHBgJ3vQA+Q+MUoCJH3yVuqmM3hEIBnIo71wfUvWmkl+YdK46QbZjoX4WeDQo7vfTT54h4rMAYUBHncHSq+VqCm+AozOqKden108TVB2zqNLfqQ= ARC-Authentication-Results: i=1; mx.zohomail.com; dkim=pass; spf=pass (zohomail.com: domain of gnu.org designates 209.51.188.17 as permitted sender) smtp.mailfrom=qemu-devel-bounces+importer=patchew.org@nongnu.org; dmarc=pass header.from= (p=none dis=none) Return-Path: Received: from lists.gnu.org (lists.gnu.org [209.51.188.17]) by mx.zohomail.com with SMTPS id 1731951453112138.10846926732881; Mon, 18 Nov 2024 09:37:33 -0800 (PST) Received: from localhost ([::1] helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1tD5gc-0008Gr-L5; Mon, 18 Nov 2024 12:37:19 -0500 Received: from eggs.gnu.org ([2001:470:142:3::10]) by lists.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1tD5gF-0008Aq-N2 for qemu-devel@nongnu.org; Mon, 18 Nov 2024 12:37:00 -0500 Received: from us-smtp-delivery-124.mimecast.com ([170.10.133.124]) by eggs.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1tD5gD-0004lJ-VZ for qemu-devel@nongnu.org; Mon, 18 Nov 2024 12:36:55 -0500 Received: from mx-prod-mc-05.mail-002.prod.us-west-2.aws.redhat.com (ec2-54-186-198-63.us-west-2.compute.amazonaws.com [54.186.198.63]) by relay.mimecast.com with ESMTP with STARTTLS (version=TLSv1.3, cipher=TLS_AES_256_GCM_SHA384) id us-mta-212-sFgwC8BXOD6ouafXXwan7w-1; Mon, 18 Nov 2024 12:36:50 -0500 Received: from mx-prod-int-03.mail-002.prod.us-west-2.aws.redhat.com (mx-prod-int-03.mail-002.prod.us-west-2.aws.redhat.com [10.30.177.12]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) key-exchange X25519 server-signature RSA-PSS (2048 bits) server-digest SHA256) (No client certificate requested) by mx-prod-mc-05.mail-002.prod.us-west-2.aws.redhat.com (Postfix) with ESMTPS id BA9B2195608B; Mon, 18 Nov 2024 17:36:48 +0000 (UTC) Received: from thuth-p1g4.redhat.com (unknown [10.39.194.53]) by mx-prod-int-03.mail-002.prod.us-west-2.aws.redhat.com (Postfix) with ESMTP id 3E5E919560A3; Mon, 18 Nov 2024 17:36:46 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=redhat.com; s=mimecast20190719; t=1731951413; h=from:from:reply-to:subject:subject:date:date:message-id:message-id: to:to:cc:cc:mime-version:mime-version: content-transfer-encoding:content-transfer-encoding: in-reply-to:in-reply-to:references:references; bh=VJhFIt+Avk9efs65XYYhBIvWur/LnUUbkyjdszyi2Io=; b=bEffYB6EjRnDZvCTkOHv2kqSpkbeu0lWOsJzY3P41UNfyAJWbZNGtljJxTlMtLIv46/8bi M2xef+DtmzPWBDNVwP4CabaREwbLXQjFy/4/wFoNMi6Vbx1IAGLvSvVV0qqzK0nW2D1aQE XuQxqdOMZDb0wjwBfvX/rZIwzziasl0= X-MC-Unique: sFgwC8BXOD6ouafXXwan7w-1 X-Mimecast-MFC-AGG-ID: sFgwC8BXOD6ouafXXwan7w From: Thomas Huth To: qemu-devel@nongnu.org Cc: Peter Maydell , Jared Rossi Subject: [PULL 04/12] docs/system/s390x/bootdevices: Update loadparm documentation Date: Mon, 18 Nov 2024 18:36:26 +0100 Message-ID: <20241118173634.473532-5-thuth@redhat.com> In-Reply-To: <20241118173634.473532-1-thuth@redhat.com> References: <20241118173634.473532-1-thuth@redhat.com> MIME-Version: 1.0 Content-Transfer-Encoding: quoted-printable X-Scanned-By: MIMEDefang 3.0 on 10.30.177.12 Received-SPF: pass (zohomail.com: domain of gnu.org designates 209.51.188.17 as permitted sender) client-ip=209.51.188.17; envelope-from=qemu-devel-bounces+importer=patchew.org@nongnu.org; helo=lists.gnu.org; Received-SPF: pass client-ip=170.10.133.124; envelope-from=thuth@redhat.com; helo=us-smtp-delivery-124.mimecast.com X-Spam_score_int: -21 X-Spam_score: -2.2 X-Spam_bar: -- X-Spam_report: (-2.2 / 5.0 requ) BAYES_00=-1.9, DKIMWL_WL_HIGH=-0.142, 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_H3=0.001, RCVD_IN_MSPIKE_WL=0.001, RCVD_IN_VALIDITY_CERTIFIED_BLOCKED=0.001, RCVD_IN_VALIDITY_RPBL_BLOCKED=0.001, SPF_HELO_NONE=0.001, SPF_PASS=-0.001 autolearn=ham autolearn_force=no X-Spam_action: no action X-BeenThere: qemu-devel@nongnu.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: qemu-devel-bounces+importer=patchew.org@nongnu.org Sender: qemu-devel-bounces+importer=patchew.org@nongnu.org X-ZohoMail-DKIM: pass (identity @redhat.com) X-ZM-MESSAGEID: 1731951454809116600 Content-Type: text/plain; charset="utf-8" From: Jared Rossi Update documentation to include per-device loadparm support. Signed-off-by: Jared Rossi Reviewed-by: Thomas Huth Message-ID: <20241115002742.3576842-1-jrossi@linux.ibm.com> Signed-off-by: Thomas Huth --- docs/system/s390x/bootdevices.rst | 24 +++++++++++++++++++++++- 1 file changed, 23 insertions(+), 1 deletion(-) diff --git a/docs/system/s390x/bootdevices.rst b/docs/system/s390x/bootdevi= ces.rst index 1a1a764c1c..97b3914785 100644 --- a/docs/system/s390x/bootdevices.rst +++ b/docs/system/s390x/bootdevices.rst @@ -79,7 +79,29 @@ The second way to use this parameter is to use a number = in the range from 0 to 31. The numbers that can be used here correspond to the numbers that are shown when using the ``PROMPT`` option, and the s390-ccw bios will then try to automatically boot the kernel that is associated with the given number. -Note that ``0`` can be used to boot the default entry. +Note that ``0`` can be used to boot the default entry. If the machine +``loadparm`` is not assigned a value, then the default entry is used. + +By default, the machine ``loadparm`` applies to all boot devices. If multi= ple +devices are assigned a ``bootindex`` and the ``loadparm`` is to be differe= nt +between them, an independent ``loadparm`` may be assigned on a per-device = basis. + +An example guest using per-device ``loadparm``:: + + qemu-system-s390x -drive if=3Dnone,id=3Ddr1,file=3Dprimary.qcow2 \ + -device virtio-blk,drive=3Ddr1,bootindex=3D1 \ + -drive if=3Dnone,id=3Ddr2,file=3Dsecondary.qcow2 \ + -device virtio-blk,drive=3Ddr2,bootindex=3D2,loadparm= =3D3 + +In this case, the primary boot device will attempt to IPL using the default +entry (because no ``loadparm`` is specified for this device or for the +machine). If that device fails to boot, the secondary device will attempt = to +IPL using entry number 3. + +If a ``loadparm`` is specified on both the machine and a device, the per-d= evice +value will superseded the machine value. Per-device ``loadparm`` values a= re +only used for devices with an assigned ``bootindex``. The machine ``loadpa= rm`` +is used when attempting to boot without a ``bootindex``. =20 =20 Booting from a network device --=20 2.47.0