From patchwork Tue Sep 5 11:16:42 2017 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Halil Pasic X-Patchwork-Id: 810086 Return-Path: X-Original-To: incoming@patchwork.ozlabs.org Delivered-To: patchwork-incoming@bilbo.ozlabs.org Authentication-Results: ozlabs.org; spf=pass (mailfrom) smtp.mailfrom=nongnu.org (client-ip=2001:4830:134:3::11; helo=lists.gnu.org; envelope-from=qemu-devel-bounces+incoming=patchwork.ozlabs.org@nongnu.org; receiver=) Received: from lists.gnu.org (lists.gnu.org [IPv6:2001:4830:134:3::11]) (using TLSv1 with cipher AES256-SHA (256/256 bits)) (No client certificate requested) by ozlabs.org (Postfix) with ESMTPS id 3xmkjP6yCpz9s83 for ; Tue, 5 Sep 2017 21:18:16 +1000 (AEST) Received: from localhost ([::1]:58155 helo=lists.gnu.org) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1dpBrv-0005Dc-NZ for incoming@patchwork.ozlabs.org; Tue, 05 Sep 2017 07:18:11 -0400 Received: from eggs.gnu.org ([2001:4830:134:3::10]:46418) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1dpBr3-0005Cp-Sv for qemu-devel@nongnu.org; Tue, 05 Sep 2017 07:17:22 -0400 Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1dpBqz-000827-85 for qemu-devel@nongnu.org; Tue, 05 Sep 2017 07:17:17 -0400 Received: from mx0a-001b2d01.pphosted.com ([148.163.156.1]:49882) by eggs.gnu.org with esmtps (TLS1.0:RSA_AES_256_CBC_SHA1:32) (Exim 4.71) (envelope-from ) id 1dpBqy-00080s-VS for qemu-devel@nongnu.org; Tue, 05 Sep 2017 07:17:13 -0400 Received: from pps.filterd (m0098404.ppops.net [127.0.0.1]) by mx0a-001b2d01.pphosted.com (8.16.0.21/8.16.0.21) with SMTP id v85BFQVU026866 for ; Tue, 5 Sep 2017 07:17:11 -0400 Received: from e06smtp11.uk.ibm.com (e06smtp11.uk.ibm.com [195.75.94.107]) by mx0a-001b2d01.pphosted.com with ESMTP id 2csr24a7qu-1 (version=TLSv1.2 cipher=AES256-SHA bits=256 verify=NOT) for ; Tue, 05 Sep 2017 07:17:11 -0400 Received: from localhost by e06smtp11.uk.ibm.com with IBM ESMTP SMTP Gateway: Authorized Use Only! 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Violators will be prosecuted; Tue, 5 Sep 2017 12:17:06 +0100 Received: from d06av26.portsmouth.uk.ibm.com (d06av26.portsmouth.uk.ibm.com [9.149.105.62]) by b06cxnps3075.portsmouth.uk.ibm.com (8.14.9/8.14.9/NCO v10.0) with ESMTP id v85BH6DX28770556; Tue, 5 Sep 2017 11:17:06 GMT Received: from d06av26.portsmouth.uk.ibm.com (unknown [127.0.0.1]) by IMSVA (Postfix) with ESMTP id 2EEA8AE051; Tue, 5 Sep 2017 12:12:23 +0100 (BST) Received: from d06av26.portsmouth.uk.ibm.com (unknown [127.0.0.1]) by IMSVA (Postfix) with ESMTP id 0104AAE053; Tue, 5 Sep 2017 12:12:23 +0100 (BST) Received: from tuxmaker.boeblingen.de.ibm.com (unknown [9.152.85.9]) by d06av26.portsmouth.uk.ibm.com (Postfix) with ESMTPS; Tue, 5 Sep 2017 12:12:22 +0100 (BST) From: Halil Pasic To: Cornelia Huck Date: Tue, 5 Sep 2017 13:16:42 +0200 X-Mailer: git-send-email 2.13.5 In-Reply-To: <20170905111645.18068-1-pasic@linux.vnet.ibm.com> References: <20170905111645.18068-1-pasic@linux.vnet.ibm.com> X-TM-AS-GCONF: 00 x-cbid: 17090511-0040-0000-0000-000003F5AEA9 X-IBM-AV-DETECTION: SAVI=unused REMOTE=unused XFE=unused x-cbparentid: 17090511-0041-0000-0000-0000209624D1 Message-Id: <20170905111645.18068-3-pasic@linux.vnet.ibm.com> X-Proofpoint-Virus-Version: vendor=fsecure engine=2.50.10432:, , definitions=2017-09-05_06:, , signatures=0 X-Proofpoint-Spam-Details: rule=outbound_notspam policy=outbound score=0 spamscore=0 suspectscore=0 malwarescore=0 phishscore=0 adultscore=0 bulkscore=0 classifier=spam adjust=0 reason=mlx scancount=1 engine=8.0.1-1707230000 definitions=main-1709050172 X-detected-operating-system: by eggs.gnu.org: GNU/Linux 3.x [generic] [fuzzy] X-Received-From: 148.163.156.1 Subject: [Qemu-devel] [PATCH 2/5] s390x/css: use ccw data stream 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: Dong Jia Shi , Halil Pasic , Pierre Morel , qemu-devel@nongnu.org Errors-To: qemu-devel-bounces+incoming=patchwork.ozlabs.org@nongnu.org Sender: "Qemu-devel" Replace direct access which implicitly assumes no IDA or MIDA with the new ccw data stream interface which should cope with these transparently in the future. Signed-off-by: Halil Pasic --- hw/s390x/css.c | 5 +++-- 1 file changed, 3 insertions(+), 2 deletions(-) diff --git a/hw/s390x/css.c b/hw/s390x/css.c index 87d913f81c..c1bc9944e6 100644 --- a/hw/s390x/css.c +++ b/hw/s390x/css.c @@ -890,6 +890,7 @@ static int css_interpret_ccw(SubchDev *sch, hwaddr ccw_addr, } /* Look at the command. */ + ccw_dstream_init(&sch->cds, &ccw, &(sch->orb)); switch (ccw.cmd_code) { case CCW_CMD_NOOP: /* Nothing to do. */ @@ -903,7 +904,7 @@ static int css_interpret_ccw(SubchDev *sch, hwaddr ccw_addr, } } len = MIN(ccw.count, sizeof(sch->sense_data)); - cpu_physical_memory_write(ccw.cda, sch->sense_data, len); + ccw_dstream_write_buf(&sch->cds, sch->sense_data, len); sch->curr_status.scsw.count = ccw.count - len; memset(sch->sense_data, 0, sizeof(sch->sense_data)); ret = 0; @@ -930,7 +931,7 @@ static int css_interpret_ccw(SubchDev *sch, hwaddr ccw_addr, } else { sense_id.reserved = 0; } - cpu_physical_memory_write(ccw.cda, &sense_id, len); + ccw_dstream_write_buf(&sch->cds, &sense_id, len); sch->curr_status.scsw.count = ccw.count - len; ret = 0; break;