From patchwork Sun Jun 7 20:35:53 2020 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Mike Christie X-Patchwork-Id: 11592235 Return-Path: Received: from mail.kernel.org (pdx-korg-mail-1.web.codeaurora.org [172.30.200.123]) by pdx-korg-patchwork-2.web.codeaurora.org (Postfix) with ESMTP id 2EB38913 for ; Sun, 7 Jun 2020 20:36:24 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 1465A2074B for ; Sun, 7 Jun 2020 20:36:24 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (2048-bit key) header.d=oracle.com header.i=@oracle.com header.b="kQJg1gI8" Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1728065AbgFGUgX (ORCPT ); Sun, 7 Jun 2020 16:36:23 -0400 Received: from userp2120.oracle.com ([156.151.31.85]:51714 "EHLO userp2120.oracle.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1727912AbgFGUgX (ORCPT ); Sun, 7 Jun 2020 16:36:23 -0400 Received: from pps.filterd (userp2120.oracle.com [127.0.0.1]) by userp2120.oracle.com (8.16.0.42/8.16.0.42) with SMTP id 057KWnSP125842; Sun, 7 Jun 2020 20:36:14 GMT DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=oracle.com; h=from : to : cc : subject : date : message-id : in-reply-to : references; s=corp-2020-01-29; bh=bVmm3tdbw0XvH6VgY+Z+jhMHDgOo2ycU8ZOdkn4UUx8=; b=kQJg1gI8ELxO43rYjvJfD/VeH1tHt5YE41Xa4VTFpFe3XCJKULkHVSX7lVHhevgjsWA9 3rka+qMLBpfWyg8RQOINfhwJqm75mLM2vgVUVA92c7NE0BVRahXp0o9Gz9kDcti7otFZ g0LTXw5nHzpLZtZzlnRpp56I70z+YFrMvpq2SoO6taxEDypi50uFUhpTw22M4NMhrhR0 UPEzI6IKmfYmg2iYI1MFsehgkn+UyVBUUrA1UEDJ5+nIEHI3hnV7VB9L51KtgzLlFosf Ftg3/wDGLlZ8g2AMzJMTKADxdsfvBKh29ZS2V4sIda5LGn0arG58iEGWxiT7/mSjUGiL fA== Received: from aserp3030.oracle.com (aserp3030.oracle.com [141.146.126.71]) by userp2120.oracle.com with ESMTP id 31g3smkxfq-1 (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=FAIL); Sun, 07 Jun 2020 20:36:14 +0000 Received: from pps.filterd (aserp3030.oracle.com [127.0.0.1]) by aserp3030.oracle.com (8.16.0.42/8.16.0.42) with SMTP id 057KRjhJ075816; Sun, 7 Jun 2020 20:36:13 GMT Received: from aserv0121.oracle.com (aserv0121.oracle.com [141.146.126.235]) by aserp3030.oracle.com with ESMTP id 31gmqk8a64-1 (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=OK); Sun, 07 Jun 2020 20:36:13 +0000 Received: from abhmp0008.oracle.com (abhmp0008.oracle.com [141.146.116.14]) by aserv0121.oracle.com (8.14.4/8.13.8) with ESMTP id 057KaCXI022725; Sun, 7 Jun 2020 20:36:12 GMT Received: from ol2.localdomain (/73.88.28.6) by default (Oracle Beehive Gateway v4.0) with ESMTP ; Sun, 07 Jun 2020 13:36:12 -0700 From: Mike Christie To: bvanassche@acm.org, bstroesser@ts.fujitsu.com, martin.petersen@oracle.com, linux-scsi@vger.kernel.org, target-devel@vger.kernel.org Cc: Juergen Gross Subject: [PATCH 06/17] xen scsiback: use target_parse_emulated_name Date: Sun, 7 Jun 2020 15:35:53 -0500 Message-Id: <1591562164-9766-7-git-send-email-michael.christie@oracle.com> X-Mailer: git-send-email 1.8.3.1 In-Reply-To: <1591562164-9766-1-git-send-email-michael.christie@oracle.com> References: <1591562164-9766-1-git-send-email-michael.christie@oracle.com> X-Proofpoint-Virus-Version: vendor=nai engine=6000 definitions=9645 signatures=668680 X-Proofpoint-Spam-Details: rule=notspam policy=default score=0 phishscore=0 bulkscore=0 mlxscore=0 mlxlogscore=999 adultscore=0 spamscore=0 suspectscore=0 malwarescore=0 classifier=spam adjust=0 reason=mlx scancount=1 engine=8.12.0-2004280000 definitions=main-2006070161 X-Proofpoint-Virus-Version: vendor=nai engine=6000 definitions=9645 signatures=668680 X-Proofpoint-Spam-Details: rule=notspam policy=default score=0 adultscore=0 priorityscore=1501 lowpriorityscore=0 impostorscore=0 cotscore=-2147483648 suspectscore=0 spamscore=0 bulkscore=0 malwarescore=0 phishscore=0 mlxscore=0 mlxlogscore=999 clxscore=1015 classifier=spam adjust=0 reason=mlx scancount=1 engine=8.12.0-2004280000 definitions=main-2006070161 Sender: linux-scsi-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-scsi@vger.kernel.org Use target_parse_emulated_name so the acl and SCSI names are properly formatted. Cc: Juergen Gross Signed-off-by: Mike Christie Acked-by: Juergen Gross Reviewed-by: Hannes Reinecke --- drivers/xen/xen-scsiback.c | 66 ++++++++-------------------------------------- 1 file changed, 11 insertions(+), 55 deletions(-) diff --git a/drivers/xen/xen-scsiback.c b/drivers/xen/xen-scsiback.c index 93cb386..f70b6da 100644 --- a/drivers/xen/xen-scsiback.c +++ b/drivers/xen/xen-scsiback.c @@ -1509,7 +1509,8 @@ static int scsiback_alloc_sess_cb(struct se_portal_group *se_tpg, } static int scsiback_make_nexus(struct scsiback_tpg *tpg, - const char *name) + const char *tpt_id_name, + const char *acl_name) { struct scsiback_nexus *tv_nexus; int ret = 0; @@ -1530,8 +1531,9 @@ static int scsiback_make_nexus(struct scsiback_tpg *tpg, tv_nexus->tvn_se_sess = target_setup_session(&tpg->se_tpg, VSCSI_DEFAULT_SESSION_TAGS, sizeof(struct vscsibk_pend), - TARGET_PROT_NORMAL, name, - name, tv_nexus, + TARGET_PROT_NORMAL, + tpt_id_name, acl_name, + tv_nexus, scsiback_alloc_sess_cb); if (IS_ERR(tv_nexus->tvn_se_sess)) { kfree(tv_nexus); @@ -1619,7 +1621,7 @@ static ssize_t scsiback_tpg_nexus_store(struct config_item *item, struct scsiback_tpg *tpg = container_of(se_tpg, struct scsiback_tpg, se_tpg); struct scsiback_tport *tport_wwn = tpg->tport; - unsigned char i_port[VSCSI_NAMELEN], *ptr, *port_ptr; + unsigned char i_port[VSCSI_NAMELEN], *tpt_id_name; int ret; /* * Shutdown the active I_T nexus if 'NULL' is passed. @@ -1628,59 +1630,13 @@ static ssize_t scsiback_tpg_nexus_store(struct config_item *item, ret = scsiback_drop_nexus(tpg); return (!ret) ? count : ret; } - /* - * Otherwise make sure the passed virtual Initiator port WWN matches - * the fabric protocol_id set in scsiback_make_tport(), and call - * scsiback_make_nexus(). - */ - if (strlen(page) >= VSCSI_NAMELEN) { - pr_err("Emulated NAA Sas Address: %s, exceeds max: %d\n", - page, VSCSI_NAMELEN); - return -EINVAL; - } - snprintf(&i_port[0], VSCSI_NAMELEN, "%s", page); - ptr = strstr(i_port, "naa."); - if (ptr) { - if (tport_wwn->tport_proto_id != SCSI_PROTOCOL_SAS) { - pr_err("Passed SAS Initiator Port %s does not match target port protoid: %s\n", - i_port, scsiback_dump_proto_id(tport_wwn)); - return -EINVAL; - } - port_ptr = &i_port[0]; - goto check_newline; - } - ptr = strstr(i_port, "fc."); - if (ptr) { - if (tport_wwn->tport_proto_id != SCSI_PROTOCOL_FCP) { - pr_err("Passed FCP Initiator Port %s does not match target port protoid: %s\n", - i_port, scsiback_dump_proto_id(tport_wwn)); - return -EINVAL; - } - port_ptr = &i_port[3]; /* Skip over "fc." */ - goto check_newline; - } - ptr = strstr(i_port, "iqn."); - if (ptr) { - if (tport_wwn->tport_proto_id != SCSI_PROTOCOL_ISCSI) { - pr_err("Passed iSCSI Initiator Port %s does not match target port protoid: %s\n", - i_port, scsiback_dump_proto_id(tport_wwn)); - return -EINVAL; - } - port_ptr = &i_port[0]; - goto check_newline; - } - pr_err("Unable to locate prefix for emulated Initiator Port: %s\n", - i_port); - return -EINVAL; - /* - * Clear any trailing newline for the NAA WWN - */ -check_newline: - if (i_port[strlen(i_port) - 1] == '\n') - i_port[strlen(i_port) - 1] = '\0'; + ret = target_parse_emulated_name(tport_wwn->tport_proto_id, page, + i_port, VSCSI_NAMELEN, &tpt_id_name); + if (ret) + return ret; - ret = scsiback_make_nexus(tpg, port_ptr); + ret = scsiback_make_nexus(tpg, tpt_id_name, i_port); if (ret < 0) return ret;