From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by smtp.lore.kernel.org (Postfix) with ESMTP id BB438C433EF for ; Tue, 21 Jun 2022 20:36:12 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S231383AbiFUUgM (ORCPT ); Tue, 21 Jun 2022 16:36:12 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:37986 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S231259AbiFUUgJ (ORCPT ); Tue, 21 Jun 2022 16:36:09 -0400 Received: from mx0b-001b2d01.pphosted.com (mx0b-001b2d01.pphosted.com [148.163.158.5]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id BED452EA0B; Tue, 21 Jun 2022 13:36:08 -0700 (PDT) Received: from pps.filterd (m0098417.ppops.net [127.0.0.1]) by mx0a-001b2d01.pphosted.com (8.17.1.5/8.17.1.5) with ESMTP id 25LK3WXo024753; Tue, 21 Jun 2022 20:36:04 GMT DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=ibm.com; h=message-id : date : mime-version : subject : to : references : from : in-reply-to : content-type : content-transfer-encoding; s=pp1; bh=YhxexC3qFA0lsN7cct24u94C+TAzCVX5camFQ11uZno=; b=B7gEfJ//iHg9q7OzVllWoCpseh7KEqGIaUdNuvOk9NbvG0+4H4LfZ2PvqulcRUG18w6b TTbO1QnnBRBRpgHUcSFKDO1ywFo3kpDKP6W0ETPGop2hNJYToql9bVTObo6omwtJolgh lq7Uw8ivPCPRoBJ+qw343G8dJPgvTXVv9PBjiRtoR8cLsFjdIYFOrnTdfkXdAfTTpHuf d/1+TwHO4LT5O3Zg2x/ua5oqgFCZJY6g3HkxpRXlfQ2lDEQ3bzzy1ih7L/HE+izsg5FP sNiVl/7uO4PM7xsPibkwGeKAVk964dR/TxXA+JVFbi61WdkGs6a4XZn6SFo7vInIorfR ig== Received: from ppma02wdc.us.ibm.com (aa.5b.37a9.ip4.static.sl-reverse.com [169.55.91.170]) by mx0a-001b2d01.pphosted.com (PPS) with ESMTPS id 3gumpm0s9j-1 (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=NOT); Tue, 21 Jun 2022 20:36:03 +0000 Received: from pps.filterd (ppma02wdc.us.ibm.com [127.0.0.1]) by ppma02wdc.us.ibm.com (8.16.1.2/8.16.1.2) with SMTP id 25LKZRAX015395; Tue, 21 Jun 2022 20:36:03 GMT Received: from b01cxnp23033.gho.pok.ibm.com (b01cxnp23033.gho.pok.ibm.com [9.57.198.28]) by ppma02wdc.us.ibm.com with ESMTP id 3gs6ba68kt-1 (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=NOT); Tue, 21 Jun 2022 20:36:03 +0000 Received: from b01ledav003.gho.pok.ibm.com (b01ledav003.gho.pok.ibm.com [9.57.199.108]) by b01cxnp23033.gho.pok.ibm.com (8.14.9/8.14.9/NCO v10.0) with ESMTP id 25LKa2lt42991998 (version=TLSv1/SSLv3 cipher=DHE-RSA-AES256-GCM-SHA384 bits=256 verify=OK); Tue, 21 Jun 2022 20:36:02 GMT Received: from b01ledav003.gho.pok.ibm.com (unknown [127.0.0.1]) by IMSVA (Postfix) with ESMTP id 9006EB2066; Tue, 21 Jun 2022 20:36:02 +0000 (GMT) Received: from b01ledav003.gho.pok.ibm.com (unknown [127.0.0.1]) by IMSVA (Postfix) with ESMTP id 127DDB2064; Tue, 21 Jun 2022 20:36:02 +0000 (GMT) Received: from [9.211.124.46] (unknown [9.211.124.46]) by b01ledav003.gho.pok.ibm.com (Postfix) with ESMTP; Tue, 21 Jun 2022 20:36:01 +0000 (GMT) Message-ID: <3dbd9ae4-a101-e55d-79c8-9b3a96ab5b17@linux.vnet.ibm.com> Date: Tue, 21 Jun 2022 15:36:01 -0500 MIME-Version: 1.0 User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:91.0) Gecko/20100101 Thunderbird/91.9.1 Subject: Re: Do we still need the scsi IPR driver ? Content-Language: en-US To: Damien Le Moal , Brian King , "Martin K. Petersen" , linux-scsi@vger.kernel.org, linux-ide@vger.kernel.org References: From: Brian King In-Reply-To: Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 7bit X-TM-AS-GCONF: 00 X-Proofpoint-GUID: myor5KQicn5aQA9H2L8LHv4P4e_1_pN8 X-Proofpoint-ORIG-GUID: myor5KQicn5aQA9H2L8LHv4P4e_1_pN8 X-Proofpoint-Virus-Version: vendor=baseguard engine=ICAP:2.0.205,Aquarius:18.0.883,Hydra:6.0.517,FMLib:17.11.64.514 definitions=2022-06-21_09,2022-06-21_01,2022-02-23_01 X-Proofpoint-Spam-Details: rule=outbound_notspam policy=outbound score=0 mlxscore=0 clxscore=1011 mlxlogscore=898 malwarescore=0 spamscore=0 lowpriorityscore=0 suspectscore=0 bulkscore=0 impostorscore=0 phishscore=0 priorityscore=1501 adultscore=0 classifier=spam adjust=0 reason=mlx scancount=1 engine=8.12.0-2204290000 definitions=main-2206210086 Precedence: bulk List-ID: X-Mailing-List: linux-ide@vger.kernel.org On 6/19/22 11:48 PM, Damien Le Moal wrote: > > Polling people here: Do we still need the scsi IPR driver for IBM Power > Linux RAID adapters (IBM iSeries: 5702, 5703, 2780, 5709, 570A, 570B > adapters) ? > > The reason I am asking is because this driver is the *only* libsas/ata > driver that does not define a ->error_handler port operation. If this > driver is removed, or if it is modified to use a ->error_handler operation > to handle failed commands, then a lot of code simplification can be done > in libata, which I am trying to do to facilitate the processing of some > special error completion for commands using a command duration limit. We still need it around for now. IBM still sells these adapters and they can still be ordered even on our latest Power 10 systems. Thanks, Brian -- Brian King Power Linux I/O IBM Linux Technology Center