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GET /api/patches/813406/?format=api
{ "id": 813406, "url": "http://patchwork.ozlabs.org/api/patches/813406/?format=api", "web_url": "http://patchwork.ozlabs.org/project/qemu-devel/patch/20170913115029.47626-3-pasic@linux.vnet.ibm.com/", "project": { "id": 14, "url": "http://patchwork.ozlabs.org/api/projects/14/?format=api", "name": "QEMU Development", "link_name": "qemu-devel", "list_id": "qemu-devel.nongnu.org", "list_email": "qemu-devel@nongnu.org", "web_url": "", "scm_url": "", "webscm_url": "", "list_archive_url": "", "list_archive_url_format": "", "commit_url_format": "" }, "msgid": "<20170913115029.47626-3-pasic@linux.vnet.ibm.com>", "list_archive_url": null, "date": "2017-09-13T11:50:27", "name": "[v2,2/4] s390x/css: use ccw data stream", "commit_ref": null, "pull_url": null, "state": "new", "archived": false, "hash": "7d14805706ceb84eacb0aa873a4821d9befeda37", "submitter": { "id": 68297, "url": "http://patchwork.ozlabs.org/api/people/68297/?format=api", "name": "Halil Pasic", "email": "pasic@linux.vnet.ibm.com" }, "delegate": null, "mbox": "http://patchwork.ozlabs.org/project/qemu-devel/patch/20170913115029.47626-3-pasic@linux.vnet.ibm.com/mbox/", "series": [ { "id": 2899, "url": "http://patchwork.ozlabs.org/api/series/2899/?format=api", "web_url": "http://patchwork.ozlabs.org/project/qemu-devel/list/?series=2899", "date": "2017-09-13T11:50:25", "name": "add CCW indirect data access support", "version": 2, "mbox": "http://patchwork.ozlabs.org/series/2899/mbox/" } ], "comments": "http://patchwork.ozlabs.org/api/patches/813406/comments/", "check": "pending", "checks": "http://patchwork.ozlabs.org/api/patches/813406/checks/", "tags": {}, "related": [], "headers": { "Return-Path": "<qemu-devel-bounces+incoming=patchwork.ozlabs.org@nongnu.org>", "X-Original-To": "incoming@patchwork.ozlabs.org", "Delivered-To": "patchwork-incoming@bilbo.ozlabs.org", "Authentication-Results": "ozlabs.org;\n\tspf=pass (mailfrom) smtp.mailfrom=nongnu.org\n\t(client-ip=2001:4830:134:3::11; helo=lists.gnu.org;\n\tenvelope-from=qemu-devel-bounces+incoming=patchwork.ozlabs.org@nongnu.org;\n\treceiver=<UNKNOWN>)", "Received": [ "from lists.gnu.org (lists.gnu.org [IPv6:2001:4830:134:3::11])\n\t(using TLSv1 with cipher AES256-SHA (256/256 bits))\n\t(No client certificate requested)\n\tby ozlabs.org (Postfix) with ESMTPS id 3xsg6X2KTRz9sNV\n\tfor <incoming@patchwork.ozlabs.org>;\n\tWed, 13 Sep 2017 21:53:40 +1000 (AEST)", "from localhost ([::1]:41778 helo=lists.gnu.org)\n\tby lists.gnu.org with esmtp (Exim 4.71) (envelope-from\n\t<qemu-devel-bounces+incoming=patchwork.ozlabs.org@nongnu.org>)\n\tid 1ds6Ec-0002Fy-Dl\n\tfor incoming@patchwork.ozlabs.org; Wed, 13 Sep 2017 07:53:38 -0400", "from eggs.gnu.org ([2001:4830:134:3::10]:43358)\n\tby lists.gnu.org with esmtp (Exim 4.71)\n\t(envelope-from <pasic@linux.vnet.ibm.com>) id 1ds6Bt-0000SI-Sw\n\tfor qemu-devel@nongnu.org; Wed, 13 Sep 2017 07:50:51 -0400", "from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71)\n\t(envelope-from <pasic@linux.vnet.ibm.com>) id 1ds6Bo-0005Tu-CB\n\tfor qemu-devel@nongnu.org; Wed, 13 Sep 2017 07:50:49 -0400", "from mx0a-001b2d01.pphosted.com ([148.163.156.1]:52009)\n\tby eggs.gnu.org with esmtps (TLS1.0:RSA_AES_256_CBC_SHA1:32)\n\t(Exim 4.71) (envelope-from <pasic@linux.vnet.ibm.com>)\n\tid 1ds6Bn-0005T5-T5\n\tfor qemu-devel@nongnu.org; Wed, 13 Sep 2017 07:50:44 -0400", "from pps.filterd (m0098393.ppops.net [127.0.0.1])\n\tby mx0a-001b2d01.pphosted.com (8.16.0.21/8.16.0.21) with SMTP id\n\tv8DBn5kT089335\n\tfor <qemu-devel@nongnu.org>; Wed, 13 Sep 2017 07:50:41 -0400", "from e06smtp14.uk.ibm.com (e06smtp14.uk.ibm.com [195.75.94.110])\n\tby mx0a-001b2d01.pphosted.com with ESMTP id 2cy1r8f5qa-1\n\t(version=TLSv1.2 cipher=AES256-SHA bits=256 verify=NOT)\n\tfor <qemu-devel@nongnu.org>; Wed, 13 Sep 2017 07:50:41 -0400", "from localhost\n\tby e06smtp14.uk.ibm.com with IBM ESMTP SMTP Gateway: Authorized Use\n\tOnly! Violators will be prosecuted\n\tfor <qemu-devel@nongnu.org> from <pasic@linux.vnet.ibm.com>;\n\tWed, 13 Sep 2017 12:50:39 +0100", "from b06cxnps4076.portsmouth.uk.ibm.com (9.149.109.198)\n\tby e06smtp14.uk.ibm.com (192.168.101.144) with IBM ESMTP SMTP\n\tGateway: Authorized Use Only! Violators will be prosecuted; \n\tWed, 13 Sep 2017 12:50:37 +0100", "from d06av22.portsmouth.uk.ibm.com (d06av22.portsmouth.uk.ibm.com\n\t[9.149.105.58])\n\tby b06cxnps4076.portsmouth.uk.ibm.com (8.14.9/8.14.9/NCO v10.0) with\n\tESMTP id v8DBobkJ17825946; Wed, 13 Sep 2017 11:50:37 GMT", "from d06av22.portsmouth.uk.ibm.com (unknown [127.0.0.1])\n\tby IMSVA (Postfix) with ESMTP id CBAA54C040;\n\tWed, 13 Sep 2017 12:47:10 +0100 (BST)", "from d06av22.portsmouth.uk.ibm.com (unknown [127.0.0.1])\n\tby IMSVA (Postfix) with ESMTP id 9D8394C044;\n\tWed, 13 Sep 2017 12:47:10 +0100 (BST)", "from tuxmaker.boeblingen.de.ibm.com (unknown [9.152.85.9])\n\tby d06av22.portsmouth.uk.ibm.com (Postfix) with ESMTPS;\n\tWed, 13 Sep 2017 12:47:10 +0100 (BST)" ], "From": "Halil Pasic <pasic@linux.vnet.ibm.com>", "To": "Cornelia Huck <cohuck@redhat.com>", "Date": "Wed, 13 Sep 2017 13:50:27 +0200", "X-Mailer": "git-send-email 2.13.5", "In-Reply-To": "<20170913115029.47626-1-pasic@linux.vnet.ibm.com>", "References": "<20170913115029.47626-1-pasic@linux.vnet.ibm.com>", "X-TM-AS-GCONF": "00", "x-cbid": "17091311-0016-0000-0000-000004ECA2D6", "X-IBM-AV-DETECTION": "SAVI=unused REMOTE=unused XFE=unused", "x-cbparentid": "17091311-0017-0000-0000-00002826BE7D", "Message-Id": "<20170913115029.47626-3-pasic@linux.vnet.ibm.com>", "X-Proofpoint-Virus-Version": "vendor=fsecure engine=2.50.10432:, ,\n\tdefinitions=2017-09-13_04:, , signatures=0", "X-Proofpoint-Spam-Details": "rule=outbound_notspam policy=outbound score=0\n\tspamscore=0 suspectscore=0\n\tmalwarescore=0 phishscore=0 adultscore=0 bulkscore=0 classifier=spam\n\tadjust=0 reason=mlx scancount=1 engine=8.0.1-1707230000\n\tdefinitions=main-1709130186", "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 v2 2/4] s390x/css: use ccw data stream", "X-BeenThere": "qemu-devel@nongnu.org", "X-Mailman-Version": "2.1.21", "Precedence": "list", "List-Id": "<qemu-devel.nongnu.org>", "List-Unsubscribe": "<https://lists.nongnu.org/mailman/options/qemu-devel>,\n\t<mailto:qemu-devel-request@nongnu.org?subject=unsubscribe>", "List-Archive": "<http://lists.nongnu.org/archive/html/qemu-devel/>", "List-Post": "<mailto:qemu-devel@nongnu.org>", "List-Help": "<mailto:qemu-devel-request@nongnu.org?subject=help>", "List-Subscribe": "<https://lists.nongnu.org/mailman/listinfo/qemu-devel>,\n\t<mailto:qemu-devel-request@nongnu.org?subject=subscribe>", "Cc": "Dong Jia Shi <bjsdjshi@linux.vnet.ibm.com>,\n\tHalil Pasic <pasic@linux.vnet.ibm.com>,\n\tPierre Morel <pmorel@linux.vnet.ibm.com>, qemu-devel@nongnu.org", "Errors-To": "qemu-devel-bounces+incoming=patchwork.ozlabs.org@nongnu.org", "Sender": "\"Qemu-devel\"\n\t<qemu-devel-bounces+incoming=patchwork.ozlabs.org@nongnu.org>" }, "content": "Replace direct access which implicitly assumes no IDA\nor MIDA with the new ccw data stream interface which should\ncope with these transparently in the future.\n\nSigned-off-by: Halil Pasic <pasic@linux.vnet.ibm.com>\n---\n hw/s390x/css.c | 9 +++++----\n 1 file changed, 5 insertions(+), 4 deletions(-)", "diff": "diff --git a/hw/s390x/css.c b/hw/s390x/css.c\nindex e8d2016563..6b0cd8861b 100644\n--- a/hw/s390x/css.c\n+++ b/hw/s390x/css.c\n@@ -890,6 +890,7 @@ static int css_interpret_ccw(SubchDev *sch, hwaddr ccw_addr,\n }\n \n /* Look at the command. */\n+ ccw_dstream_init(&sch->cds, &ccw, &(sch->orb));\n switch (ccw.cmd_code) {\n case CCW_CMD_NOOP:\n /* Nothing to do. */\n@@ -903,8 +904,8 @@ static int css_interpret_ccw(SubchDev *sch, hwaddr ccw_addr,\n }\n }\n len = MIN(ccw.count, sizeof(sch->sense_data));\n- cpu_physical_memory_write(ccw.cda, sch->sense_data, len);\n- sch->curr_status.scsw.count = ccw.count - len;\n+ ccw_dstream_write_buf(&sch->cds, sch->sense_data, len);\n+ sch->curr_status.scsw.count = ccw_dstream_residual_count(&sch->cds);\n memset(sch->sense_data, 0, sizeof(sch->sense_data));\n ret = 0;\n break;\n@@ -930,8 +931,8 @@ static int css_interpret_ccw(SubchDev *sch, hwaddr ccw_addr,\n } else {\n sense_id.reserved = 0;\n }\n- cpu_physical_memory_write(ccw.cda, &sense_id, len);\n- sch->curr_status.scsw.count = ccw.count - len;\n+ ccw_dstream_write_buf(&sch->cds, &sense_id, len);\n+ sch->curr_status.scsw.count = ccw_dstream_residual_count(&sch->cds);\n ret = 0;\n break;\n }\n", "prefixes": [ "v2", "2/4" ] }