From patchwork Mon Apr 20 19:14:18 2020 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Mike Christie X-Patchwork-Id: 11499713 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 73622913 for ; Mon, 20 Apr 2020 19:14:56 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 5C06F2074F for ; Mon, 20 Apr 2020 19:14:56 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (1024-bit key) header.d=redhat.com header.i=@redhat.com header.b="XWFf8ZMx" Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1727968AbgDTTO4 (ORCPT ); Mon, 20 Apr 2020 15:14:56 -0400 Received: from us-smtp-delivery-1.mimecast.com ([205.139.110.120]:54985 "EHLO us-smtp-1.mimecast.com" rhost-flags-OK-OK-OK-FAIL) by vger.kernel.org with ESMTP id S1726234AbgDTTOz (ORCPT ); Mon, 20 Apr 2020 15:14:55 -0400 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=redhat.com; s=mimecast20190719; t=1587410094; h=from:from:reply-to:subject:subject:date:date:message-id:message-id: to:to:cc:cc:mime-version:mime-version: content-transfer-encoding:content-transfer-encoding: in-reply-to:in-reply-to:references:references; bh=SeWrKG1khqDe0X8wNf20z2lFuV+pfHDtim9I4D99zTQ=; b=XWFf8ZMxSqluhrUkMJe2AxwWEhWNMCfGRo4Y5uMiN7igDJXDhp9HytT0b0/k7b+5WWpIEr cyXciXWAkaZPTb8KmsjjML0OsJFvVI48yVovTA7MCTCL3X/qx2/5s25jgqqcY7p5oyLzPb uiU5jBu4lWE3egcJ9cIHHF+7mjsN8t0= Received: from mimecast-mx01.redhat.com (mimecast-mx01.redhat.com [209.132.183.4]) (Using TLS) by relay.mimecast.com with ESMTP id us-mta-300-bbfpvRbiObyvCC6Nvv4j7Q-1; Mon, 20 Apr 2020 15:14:52 -0400 X-MC-Unique: bbfpvRbiObyvCC6Nvv4j7Q-1 Received: from smtp.corp.redhat.com (int-mx03.intmail.prod.int.phx2.redhat.com [10.5.11.13]) (using TLSv1.2 with cipher AECDH-AES256-SHA (256/256 bits)) (No client certificate requested) by mimecast-mx01.redhat.com (Postfix) with ESMTPS id 3E8231853890; Mon, 20 Apr 2020 19:14:51 +0000 (UTC) Received: from rh2.redhat.com (ovpn-118-198.rdu2.redhat.com [10.10.118.198]) by smtp.corp.redhat.com (Postfix) with ESMTP id 337BFA18BF; Mon, 20 Apr 2020 19:14:48 +0000 (UTC) From: Mike Christie To: jsmart2021@gmail.com, bvanassche@acm.org, bstroesser@ts.fujitsu.com, martin.petersen@oracle.com, linux-scsi@vger.kernel.org, target-devel@vger.kernel.org Cc: Mike Christie Subject: [RFC PATCH 04/12] target: use tpid in target_stat_iport_port_ident_show Date: Mon, 20 Apr 2020 14:14:18 -0500 Message-Id: <20200420191426.17055-5-mchristi@redhat.com> In-Reply-To: <20200420191426.17055-1-mchristi@redhat.com> References: <20200420191426.17055-1-mchristi@redhat.com> MIME-Version: 1.0 X-Scanned-By: MIMEDefang 2.79 on 10.5.11.13 Sender: linux-scsi-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-scsi@vger.kernel.org Use the tpid session id instead of sess_get_initiator_sid. Note that for userspace compat this patch continues the behavior: 1. Still add the "+i+" even if there is no session_id. 2. Use the acl initiatorname instead of the transportID port/addr/name. Signed-off-by: Mike Christie --- drivers/target/target_core_fabric_lib.c | 7 +++++++ drivers/target/target_core_internal.h | 1 + drivers/target/target_core_stat.c | 12 ++++++------ 3 files changed, 14 insertions(+), 6 deletions(-) diff --git a/drivers/target/target_core_fabric_lib.c b/drivers/target/target_core_fabric_lib.c index 39b0e5e..6a53e16 100644 --- a/drivers/target/target_core_fabric_lib.c +++ b/drivers/target/target_core_fabric_lib.c @@ -508,3 +508,10 @@ void target_free_transport_id(struct t10_transport_id *tpid) } kfree(tpid); } + +char *transport_id_get_sid(struct t10_transport_id *tpid) +{ + if (tpid->proto == SCSI_PROTOCOL_ISCSI) + return tpid->iscsi.session_id; + return NULL; +} diff --git a/drivers/target/target_core_internal.h b/drivers/target/target_core_internal.h index 5e016aa..efc5449 100644 --- a/drivers/target/target_core_internal.h +++ b/drivers/target/target_core_internal.h @@ -105,6 +105,7 @@ int target_get_pr_transport_id(struct se_node_acl *nacl, const char *target_parse_pr_out_transport_id(struct se_portal_group *tpg, char *buf, u32 *out_tid_len, char **port_nexus_ptr); void target_free_transport_id(struct t10_transport_id *tpid); +char *transport_id_get_sid(struct t10_transport_id *tpid); /* target_core_hba.c */ struct se_hba *core_alloc_hba(const char *, u32, u32); diff --git a/drivers/target/target_core_stat.c b/drivers/target/target_core_stat.c index 237309d..cc9c966 100644 --- a/drivers/target/target_core_stat.c +++ b/drivers/target/target_core_stat.c @@ -1309,8 +1309,8 @@ static ssize_t target_stat_iport_port_ident_show(struct config_item *item, struct se_node_acl *nacl = lacl->se_lun_nacl; struct se_session *se_sess; struct se_portal_group *tpg; + char *session_id = NULL; ssize_t ret; - unsigned char buf[64]; spin_lock_irq(&nacl->nacl_sess_lock); se_sess = nacl->nacl_sess; @@ -1319,13 +1319,13 @@ static ssize_t target_stat_iport_port_ident_show(struct config_item *item, return -ENODEV; } + session_id = transport_id_get_sid(se_sess->tpid); + if (!session_id) + session_id = ""; tpg = nacl->se_tpg; /* scsiAttIntrPortName+scsiAttIntrPortIdentifier */ - memset(buf, 0, 64); - if (tpg->se_tpg_tfo->sess_get_initiator_sid != NULL) - tpg->se_tpg_tfo->sess_get_initiator_sid(se_sess, buf, 64); - - ret = snprintf(page, PAGE_SIZE, "%s+i+%s\n", nacl->initiatorname, buf); + ret = snprintf(page, PAGE_SIZE, "%s+i+%s\n", nacl->initiatorname, + session_id); spin_unlock_irq(&nacl->nacl_sess_lock); return ret; }