From patchwork Thu May 4 10:48:04 2017 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Cornelia Huck X-Patchwork-Id: 9711407 Return-Path: Received: from mail.wl.linuxfoundation.org (pdx-wl-mail.web.codeaurora.org [172.30.200.125]) by pdx-korg-patchwork.web.codeaurora.org (Postfix) with ESMTP id 13A1060387 for ; Thu, 4 May 2017 10:52:09 +0000 (UTC) Received: from mail.wl.linuxfoundation.org (localhost [127.0.0.1]) by mail.wl.linuxfoundation.org (Postfix) with ESMTP id 134142839C for ; Thu, 4 May 2017 10:52:09 +0000 (UTC) Received: by mail.wl.linuxfoundation.org (Postfix, from userid 486) id 07FEC28614; Thu, 4 May 2017 10:52:09 +0000 (UTC) X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on pdx-wl-mail.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-6.9 required=2.0 tests=BAYES_00,RCVD_IN_DNSWL_HI autolearn=ham version=3.3.1 Received: from lists.gnu.org (lists.gnu.org [208.118.235.17]) (using TLSv1 with cipher AES256-SHA (256/256 bits)) (No client certificate requested) by mail.wl.linuxfoundation.org (Postfix) with ESMTPS id 981CE2839C for ; Thu, 4 May 2017 10:52:08 +0000 (UTC) Received: from localhost ([::1]:40982 helo=lists.gnu.org) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1d6EMh-00010Z-Q1 for patchwork-qemu-devel@patchwork.kernel.org; Thu, 04 May 2017 06:52:07 -0400 Received: from eggs.gnu.org ([2001:4830:134:3::10]:60154) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1d6EJB-0006yG-B7 for qemu-devel@nongnu.org; Thu, 04 May 2017 06:48:33 -0400 Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1d6EJ4-00066t-GZ for qemu-devel@nongnu.org; Thu, 04 May 2017 06:48:29 -0400 Received: from mx0a-001b2d01.pphosted.com ([148.163.156.1]:59621) by eggs.gnu.org with esmtps (TLS1.0:RSA_AES_256_CBC_SHA1:32) (Exim 4.71) (envelope-from ) id 1d6EJ4-00065v-89 for qemu-devel@nongnu.org; Thu, 04 May 2017 06:48:22 -0400 Received: from pps.filterd (m0098399.ppops.net [127.0.0.1]) by mx0a-001b2d01.pphosted.com (8.16.0.20/8.16.0.20) with SMTP id v44Ai6DB044919 for ; Thu, 4 May 2017 06:48:21 -0400 Received: from e06smtp10.uk.ibm.com (e06smtp10.uk.ibm.com [195.75.94.106]) by mx0a-001b2d01.pphosted.com with ESMTP id 2a7vc3h1kt-1 (version=TLSv1.2 cipher=AES256-SHA bits=256 verify=NOT) for ; Thu, 04 May 2017 06:48:20 -0400 Received: from localhost by e06smtp10.uk.ibm.com with IBM ESMTP SMTP Gateway: Authorized Use Only! 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Violators will be prosecuted; Thu, 4 May 2017 11:48:16 +0100 Received: from d06av24.portsmouth.uk.ibm.com (d06av24.portsmouth.uk.ibm.com [9.149.105.60]) by b06cxnps4074.portsmouth.uk.ibm.com (8.14.9/8.14.9/NCO v10.0) with ESMTP id v44AmEZ939583898; Thu, 4 May 2017 10:48:15 GMT Received: from d06av24.portsmouth.uk.ibm.com (unknown [127.0.0.1]) by IMSVA (Postfix) with ESMTP id B8D2C4204B; Thu, 4 May 2017 11:46:54 +0100 (BST) Received: from d06av24.portsmouth.uk.ibm.com (unknown [127.0.0.1]) by IMSVA (Postfix) with ESMTP id 843E64204F; Thu, 4 May 2017 11:46:54 +0100 (BST) Received: from gondolin.boeblingen.de.ibm.com (unknown [9.152.224.119]) by d06av24.portsmouth.uk.ibm.com (Postfix) with ESMTPS; Thu, 4 May 2017 11:46:54 +0100 (BST) From: Cornelia Huck To: peter.maydell@linaro.org Date: Thu, 4 May 2017 12:48:04 +0200 X-Mailer: git-send-email 2.11.0 In-Reply-To: <20170504104806.8120-1-cornelia.huck@de.ibm.com> References: <20170504104806.8120-1-cornelia.huck@de.ibm.com> X-TM-AS-GCONF: 00 x-cbid: 17050410-0040-0000-0000-0000037E8C66 X-IBM-AV-DETECTION: SAVI=unused REMOTE=unused XFE=unused x-cbparentid: 17050410-0041-0000-0000-0000253A008C Message-Id: <20170504104806.8120-7-cornelia.huck@de.ibm.com> X-Proofpoint-Virus-Version: vendor=fsecure engine=2.50.10432:, , definitions=2017-05-04_07:, , signatures=0 X-Proofpoint-Spam-Details: rule=outbound_notspam policy=outbound score=0 spamscore=0 suspectscore=1 malwarescore=0 phishscore=0 adultscore=0 bulkscore=0 classifier=spam adjust=0 reason=mlx scancount=1 engine=8.0.1-1703280000 definitions=main-1705040177 X-detected-operating-system: by eggs.gnu.org: GNU/Linux 3.x [generic] [fuzzy] X-Received-From: 148.163.156.1 Subject: [Qemu-devel] [PULL 6/8] s390x/3270: Add the TCP socket events handler for 3270 X-BeenThere: qemu-devel@nongnu.org X-Mailman-Version: 2.1.21 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: Cornelia Huck , borntraeger@de.ibm.com, Jing Liu , agraf@suse.de, qemu-devel@nongnu.org Errors-To: qemu-devel-bounces+patchwork-qemu-devel=patchwork.kernel.org@nongnu.org Sender: "Qemu-devel" X-Virus-Scanned: ClamAV using ClamSMTP From: Jing Liu This introduces a chr_event handler to handle the 3270 connection and disconnection events. Signed-off-by: Jing Liu Reviewed-by: QingFeng Hao Reviewed-by: Dong Jia Shi Signed-off-by: Cornelia Huck --- hw/char/terminal3270.c | 28 +++++++++++++++++++++++++++- 1 file changed, 27 insertions(+), 1 deletion(-) diff --git a/hw/char/terminal3270.c b/hw/char/terminal3270.c index 55eed5622a..450608e3c3 100644 --- a/hw/char/terminal3270.c +++ b/hw/char/terminal3270.c @@ -117,6 +117,32 @@ static void terminal_read(void *opaque, const uint8_t *buf, int size) } } +static void chr_event(void *opaque, int event) +{ + Terminal3270 *t = opaque; + CcwDevice *ccw_dev = CCW_DEVICE(t); + SubchDev *sch = ccw_dev->sch; + + /* Ensure the initial status correct, always reset them. */ + t->in_len = 0; + t->out_len = 0; + t->handshake_done = false; + + switch (event) { + case CHR_EVENT_OPENED: + /* + * 3270 does handshake firstly by the negotiate options in + * char-socket.c. Once qemu receives the terminal-type of the + * client, mark handshake done and trigger everything rolling again. + */ + break; + case CHR_EVENT_CLOSED: + sch->curr_status.scsw.dstat = SCSW_DSTAT_DEVICE_END; + css_conditional_io_interrupt(sch); + break; + } +} + static void terminal_init(EmulatedCcw3270Device *dev, Error **errp) { Terminal3270 *t = TERMINAL_3270(dev); @@ -128,7 +154,7 @@ static void terminal_init(EmulatedCcw3270Device *dev, Error **errp) } terminal_available = true; qemu_chr_fe_set_handlers(&t->chr, terminal_can_read, - terminal_read, NULL, t, NULL, true); + terminal_read, chr_event, t, NULL, true); } static int read_payload_3270(EmulatedCcw3270Device *dev, uint32_t cda,