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GET /api/patches/813406/?format=api
HTTP 200 OK
Allow: GET, PUT, PATCH, HEAD, OPTIONS
Content-Type: application/json
Vary: Accept

{
    "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"
    ]
}