From patchwork Fri May 15 15:15:17 2020 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Cornelia Huck X-Patchwork-Id: 282608 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=-6.6 required=3.0 tests=DKIM_INVALID,DKIM_SIGNED, HEADER_FROM_DIFFERENT_DOMAINS, INCLUDES_PATCH, MAILING_LIST_MULTI, SIGNED_OFF_BY, SPF_HELO_NONE, SPF_PASS 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 0B389C433E1 for ; Fri, 15 May 2020 15:20:17 +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 CAF3C20709 for ; Fri, 15 May 2020 15:20:16 +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="JzwBWA1u" DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org CAF3C20709 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]:35858 helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1jZc8F-00036Z-Tw for qemu-devel@archiver.kernel.org; Fri, 15 May 2020 11:20:15 -0400 Received: from eggs.gnu.org ([2001:470:142:3::10]:50306) by lists.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1jZc3g-00042Y-Ic for qemu-devel@nongnu.org; Fri, 15 May 2020 11:15:32 -0400 Received: from us-smtp-delivery-1.mimecast.com ([205.139.110.120]:25282 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 1jZc3f-0005xm-Mq for qemu-devel@nongnu.org; Fri, 15 May 2020 11:15:32 -0400 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=redhat.com; s=mimecast20190719; t=1589555730; 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=OAWpXPVrCEG5F/afepxStBicmskD8vkqj4cMNRvSFV8=; b=JzwBWA1uBkbzUuWsAzM5uvHnSPAiUi99ptRvRmjAXoQHIMyahuH8gYTJ1Tr9NCHk4J1U4s 8bC9rm4NLP/RBTKRIOn+Irep1GcZDS0ju5Da8ZmmZ4vmyvm8NwU+u6O0Rw3mYvwLPnKnJT gS4dJrIrtTy6nqfnlwnPj+bi5mQvJNY= 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-360-cBaukAU4N5iq8_j-Lmioqw-1; Fri, 15 May 2020 11:15:29 -0400 X-MC-Unique: cBaukAU4N5iq8_j-Lmioqw-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 68E65800053; Fri, 15 May 2020 15:15:28 +0000 (UTC) Received: from localhost (ovpn-112-229.ams2.redhat.com [10.36.112.229]) by smtp.corp.redhat.com (Postfix) with ESMTPS id 0BFDF2E17A; Fri, 15 May 2020 15:15:27 +0000 (UTC) From: Cornelia Huck To: qemu-s390x@nongnu.org Subject: [PATCH v2 2/3] docs/s390x: document 3270 Date: Fri, 15 May 2020 17:15:17 +0200 Message-Id: <20200515151518.83950-3-cohuck@redhat.com> In-Reply-To: <20200515151518.83950-1-cohuck@redhat.com> References: <20200515151518.83950-1-cohuck@redhat.com> MIME-Version: 1.0 X-Scanned-By: MIMEDefang 2.84 on 10.5.11.23 X-Mimecast-Spam-Score: 0 X-Mimecast-Originator: redhat.com Received-SPF: pass client-ip=205.139.110.120; envelope-from=cohuck@redhat.com; helo=us-smtp-1.mimecast.com X-detected-operating-system: by eggs.gnu.org: First seen = 2020/05/14 23:27:07 X-ACL-Warn: Detected OS = Linux 2.2.x-3.x [generic] 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_PASS=-0.001 autolearn=_AUTOLEARN 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: , Cc: Thomas Huth , Cornelia Huck , qemu-devel@nongnu.org Errors-To: qemu-devel-bounces+qemu-devel=archiver.kernel.org@nongnu.org Sender: "Qemu-devel" Add some basic info how to use 3270 devices. Signed-off-by: Cornelia Huck --- docs/system/s390x/3270.rst | 32 ++++++++++++++++++++++++++++++++ docs/system/target-s390x.rst | 1 + 2 files changed, 33 insertions(+) create mode 100644 docs/system/s390x/3270.rst diff --git a/docs/system/s390x/3270.rst b/docs/system/s390x/3270.rst new file mode 100644 index 000000000000..1774cdcadf01 --- /dev/null +++ b/docs/system/s390x/3270.rst @@ -0,0 +1,32 @@ +3270 devices +============ + +QEMU supports connecting an external 3270 terminal emulator (such as +``x3270``) to make a single 3270 device available to a guest. Note that this +supports basic features only. + +To provide a 3270 device to a guest, create a ``x-terminal3270`` linked to +a ``tn3270`` chardev. The guest will see a 3270 channel device. In order +to actually be able to use it, attach the ``x3270`` emulator to the chardev. + +Example configuration +--------------------- + +* Add a ``tn3270`` chardev and a ``x-terminal3270`` to the QEMU command line:: + + -chardev socket,id=char_0,host=0.0.0.0,port=2300,nowait,server,tn3270 + -device x-terminal3270,chardev=char_0,devno=fe.0.000a,id=terminal_0 + +* Start the guest. In the guest, use ``chccwdev -e 0.0.000a`` to enable + the device. + +* On the host, start the ``x3270`` emulator:: + + x3270 :2300 + +* In the guest, locate the 3270 device node under ``/dev/3270/`` (say, + ``tty1``) and start a getty on it:: + + systemctl start serial-getty@3270-tty1.service + +This should get you an addtional tty for logging into the guest. diff --git a/docs/system/target-s390x.rst b/docs/system/target-s390x.rst index 37ca032d98ef..2592a05303ef 100644 --- a/docs/system/target-s390x.rst +++ b/docs/system/target-s390x.rst @@ -24,6 +24,7 @@ or vfio-ap is also available. .. toctree:: s390x/vfio-ap s390x/css + s390x/3270 Architectural features ======================