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Violators will be prosecuted; (version=TLSv1/SSLv3 cipher=AES256-GCM-SHA384 bits=256/256) Thu, 2 May 2019 01:47:34 +0100 Received: from b01ledav001.gho.pok.ibm.com (b01ledav001.gho.pok.ibm.com [9.57.199.106]) by b01cxnp23033.gho.pok.ibm.com (8.14.9/8.14.9/NCO v10.0) with ESMTP id x420lXlj32571424 (version=TLSv1/SSLv3 cipher=DHE-RSA-AES256-GCM-SHA384 bits=256 verify=OK); Thu, 2 May 2019 00:47:33 GMT Received: from b01ledav001.gho.pok.ibm.com (unknown [127.0.0.1]) by IMSVA (Postfix) with ESMTP id 126112805E; Thu, 2 May 2019 00:47:33 +0000 (GMT) Received: from b01ledav001.gho.pok.ibm.com (unknown [127.0.0.1]) by IMSVA (Postfix) with ESMTP id 7F1FD2805C; Thu, 2 May 2019 00:47:32 +0000 (GMT) Received: from ltcalpine2-lp11.aus.stglabs.ibm.com (unknown [9.40.195.194]) by b01ledav001.gho.pok.ibm.com (Postfix) with ESMTP; Thu, 2 May 2019 00:47:32 +0000 (GMT) From: Tyrel Datwyler To: james.bottomley@hansenpartnership.com Subject: [PATCH 1/3] ibmvscsi: Wire up host_reset() in the drivers scsi_host_template Date: Wed, 1 May 2019 19:47:27 -0500 X-Mailer: git-send-email 2.18.1 X-TM-AS-GCONF: 00 x-cbid: 19050200-0072-0000-0000-00000423D54F X-IBM-SpamModules-Scores: X-IBM-SpamModules-Versions: BY=3.00011032; HX=3.00000242; KW=3.00000007; PH=3.00000004; SC=3.00000285; SDB=6.01197265; UDB=6.00627943; IPR=6.00978119; MB=3.00026688; MTD=3.00000008; XFM=3.00000015; UTC=2019-05-02 00:47:35 X-IBM-AV-DETECTION: SAVI=unused REMOTE=unused XFE=unused x-cbparentid: 19050200-0073-0000-0000-00004C0A5048 Message-Id: <20190502004729.19962-1-tyreld@linux.ibm.com> X-Proofpoint-Virus-Version: vendor=fsecure engine=2.50.10434:, , definitions=2019-05-01_11:, , signatures=0 X-Proofpoint-Spam-Details: rule=outbound_notspam policy=outbound score=0 priorityscore=1501 malwarescore=0 suspectscore=1 phishscore=0 bulkscore=0 spamscore=0 clxscore=1015 lowpriorityscore=0 mlxscore=0 impostorscore=0 mlxlogscore=999 adultscore=0 classifier=spam adjust=0 reason=mlx scancount=1 engine=8.0.1-1810050000 definitions=main-1905020004 X-Mailman-Approved-At: Thu, 02 May 2019 10:55:59 +1000 X-BeenThere: linuxppc-dev@lists.ozlabs.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: Linux on PowerPC Developers Mail List List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: Tyrel Datwyler , martin.petersen@oracle.com, linux-scsi@vger.kernel.org, Tyrel Datwyler , brking@linux.ibm.com, linuxppc-dev@lists.ozlabs.org Errors-To: linuxppc-dev-bounces+linuxppc-dev=archiver.kernel.org@lists.ozlabs.org Sender: "Linuxppc-dev" From: Tyrel Datwyler Wire up the host_reset function in our driver_template to allow a user requested adpater reset via the host_reset sysfs attribute. Example: echo "adapter" > /sys/class/scsi_host/host0/host_reset Signed-off-by: Tyrel Datwyler --- drivers/scsi/ibmvscsi/ibmvscsi.c | 13 +++++++++++++ 1 file changed, 13 insertions(+) diff --git a/drivers/scsi/ibmvscsi/ibmvscsi.c b/drivers/scsi/ibmvscsi/ibmvscsi.c index 8cec5230fe31..1c37244f16a0 100644 --- a/drivers/scsi/ibmvscsi/ibmvscsi.c +++ b/drivers/scsi/ibmvscsi/ibmvscsi.c @@ -2050,6 +2050,18 @@ static struct device_attribute ibmvscsi_host_config = { .show = show_host_config, }; +static int ibmvscsi_host_reset(struct Scsi_Host *shost, int reset_type) +{ + struct ibmvscsi_host_data *hostdata = shost_priv(shost); + + vio_disable_interrupts(to_vio_dev(hostdata->dev)); + dev_info(hostdata->dev, "Initiating adapter reset!\n"); + ibmvscsi_reset_host(hostdata); + vio_enable_interrupts(to_vio_dev(hostdata->dev)); + + return 0; +} + static struct device_attribute *ibmvscsi_attrs[] = { &ibmvscsi_host_vhost_loc, &ibmvscsi_host_vhost_name, @@ -2076,6 +2088,7 @@ static struct scsi_host_template driver_template = { .eh_host_reset_handler = ibmvscsi_eh_host_reset_handler, .slave_configure = ibmvscsi_slave_configure, .change_queue_depth = ibmvscsi_change_queue_depth, + .host_reset = ibmvscsi_host_reset, .cmd_per_lun = IBMVSCSI_CMDS_PER_LUN_DEFAULT, .can_queue = IBMVSCSI_MAX_REQUESTS_DEFAULT, .this_id = -1, -- 2.18.1