From patchwork Tue Jul 19 02:07:06 2022 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Thinh Nguyen X-Patchwork-Id: 12922025 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 85505CCA482 for ; Tue, 19 Jul 2022 02:07:20 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S236840AbiGSCHT (ORCPT ); Mon, 18 Jul 2022 22:07:19 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:43210 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S236826AbiGSCHL (ORCPT ); Mon, 18 Jul 2022 22:07:11 -0400 Received: from mx0a-00230701.pphosted.com (mx0a-00230701.pphosted.com [148.163.156.19]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 535703CBC1; Mon, 18 Jul 2022 19:07:09 -0700 (PDT) Received: from pps.filterd (m0098571.ppops.net [127.0.0.1]) by mx0a-00230701.pphosted.com (8.17.1.5/8.17.1.5) with ESMTP id 26INZLSP002294; Mon, 18 Jul 2022 19:07:08 -0700 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=synopsys.com; h=date : message-id : in-reply-to : references : from : subject : to : cc; s=pfptdkimsnps; bh=WgGVOB8Ap/20zmrB/FXibF8XifuR+mhQyeOI03RIZ3E=; b=ZHkbnsgprY+5h2ry9sWFgkjFTFHCbhNooyxJ4IOfJJ5htPnY3rSAc9Tnz53RBpr7LZYS vm0zKHGSWORGrG30VgK70v0iRSU5xnZmXrcbQT/WTySFoxLSHbJHlxxYWm5X66UKr8JA lrV+rGmkkH4g914K+LwPbx4bqILvtNDafHfR05ATRVO8m9oisWpvEmfkSGsAbBAkEgcs JCcxCICnJVSbOd8RRW1xl3pjpxLM4mlH2upF2kjtpnBbjzqhHB9WDe5FETBORUV/G6f/ KxUeS9j3J+iUDiMRGnsTwxakDnmcoDBtrLwDp/CgYSM78iPKdO2mdMiXZCXoFs4MQKfK ug== Received: from smtprelay-out1.synopsys.com (smtprelay-out1.synopsys.com [149.117.73.133]) by mx0a-00230701.pphosted.com (PPS) with ESMTPS id 3hbvbmwp3y-1 (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=NOT); Mon, 18 Jul 2022 19:07:07 -0700 Received: from mailhost.synopsys.com (sv2-mailhost2.synopsys.com [10.205.2.134]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits)) (Client CN "mailhost.synopsys.com", Issuer "SNPSica2" (verified OK)) by smtprelay-out1.synopsys.com (Postfix) with ESMTPS id 9C6CC4008A; Tue, 19 Jul 2022 02:07:07 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=synopsys.com; s=mail; t=1658196427; bh=YQOi3Xh6MI9X20tUJ2V6XY2RbBF8uzpSd/E7E0vuObc=; h=Date:In-Reply-To:References:From:Subject:To:Cc:From; b=D6x514FqWwBqzTosZ5OqADj/gJvU6JOnPCxoGgID+q4pAMT06F4t8gUd2Z8CrrbUY BuUpGwbhpa3icQe0vam3wZRpSsAibi4GEYWwrRfApZTp2uk38WVrVtKry7iBI0eAjj w5X6oeFqgdRGJ8DMtqfWN7U/DHXlPxqRjuB1h+SbuiRrqKM7ZVtiWgRLkscvKBMYdv TP7oDChBKljEanbsRCfhdHgNBV33VpL6pBWUMEPfusREwMt0cwMv2RhhL4q/mlfUUc FQHMz7cVjXj0mBXUeUsEZ29DyQHe5E2u1VoTZ1IuDiRW1SgC9qG+XvSyqKEdP0QMw0 U1PPdAsYww3+g== Received: from te-lab16-v2 (nanobot.internal.synopsys.com [10.204.48.11]) (using TLSv1.2 with cipher ECDHE-RSA-AES128-GCM-SHA256 (128/128 bits)) (Client did not present a certificate) by mailhost.synopsys.com (Postfix) with ESMTPSA id 7BD1CA0096; Tue, 19 Jul 2022 02:07:06 +0000 (UTC) Received: by te-lab16-v2 (sSMTP sendmail emulation); Mon, 18 Jul 2022 19:07:06 -0700 Date: Mon, 18 Jul 2022 19:07:06 -0700 Message-Id: <7d31722a7e07bc24ea37b5841a17545003eeddb4.1658195608.git.Thinh.Nguyen@synopsys.com> In-Reply-To: References: X-SNPS-Relay: synopsys.com From: Thinh Nguyen Subject: [PATCH v2 2/4] target: Implement TMR_ABORT_TASK_SET To: linux-kernel@vger.kernel.org, linux-scsi@vger.kernel.org, target-devel@vger.kernel.org, "Martin K. Petersen" Cc: John Youn , Thinh Nguyen , linux-usb@vger.kernel.org X-Proofpoint-GUID: s81H--f_BuqU9qPK3droKXqHJNdkqXkT X-Proofpoint-ORIG-GUID: s81H--f_BuqU9qPK3droKXqHJNdkqXkT X-Proofpoint-Virus-Version: vendor=baseguard engine=ICAP:2.0.205,Aquarius:18.0.883,Hydra:6.0.517,FMLib:17.11.122.1 definitions=2022-07-18_22,2022-07-18_01,2022-06-22_01 X-Proofpoint-Spam-Details: rule=outbound_active_cloned_notspam policy=outbound_active_cloned score=0 clxscore=1015 priorityscore=1501 impostorscore=0 suspectscore=0 bulkscore=0 mlxlogscore=999 phishscore=0 lowpriorityscore=0 adultscore=0 malwarescore=0 spamscore=0 mlxscore=0 classifier=spam adjust=0 reason=mlx scancount=1 engine=8.12.0-2206140000 definitions=main-2207190006 Precedence: bulk List-ID: X-Mailing-List: linux-usb@vger.kernel.org Task ABORT TASK SET function is required by SCSI transport protocol standards (SAM-4 r14 section 7.3). It is similar to ABORT TASK function, but it applies to all commands received on a specified I_T nexus rather than a specific referenced command. Modify core_tmr_abort_task() to support TMR_ABORT_TASK_SET. Signed-off-by: Thinh Nguyen --- Changes in v2: - None drivers/target/target_core_tmr.c | 16 +++++++++++----- drivers/target/target_core_transport.c | 2 +- 2 files changed, 12 insertions(+), 6 deletions(-) diff --git a/drivers/target/target_core_tmr.c b/drivers/target/target_core_tmr.c index bac111456fa1..1ea72e15f872 100644 --- a/drivers/target/target_core_tmr.c +++ b/drivers/target/target_core_tmr.c @@ -131,11 +131,13 @@ void core_tmr_abort_task( continue; ref_tag = se_cmd->tag; - if (tmr->ref_task_tag != ref_tag) - continue; + if (tmr->function == TMR_ABORT_TASK) { + if (tmr->ref_task_tag != ref_tag) + continue; - pr_err("ABORT_TASK: Found referenced %s task_tag: %llu\n", - se_cmd->se_tfo->fabric_name, ref_tag); + pr_err("ABORT_TASK: Found referenced %s task_tag: %llu\n", + se_cmd->se_tfo->fabric_name, ref_tag); + } spin_lock(&se_sess->sess_cmd_lock); rc = __target_check_io_state(se_cmd, se_sess, 0); @@ -158,7 +160,11 @@ void core_tmr_abort_task( ref_tag); tmr->response = TMR_FUNCTION_COMPLETE; atomic_long_inc(&dev->aborts_complete); - return; + + if (tmr->function == TMR_ABORT_TASK) + return; + + spin_lock_irqsave(&dev->queues[i].lock, flags); } spin_unlock_irqrestore(&dev->queues[i].lock, flags); } diff --git a/drivers/target/target_core_transport.c b/drivers/target/target_core_transport.c index 7838dc20f713..8c386142ef90 100644 --- a/drivers/target/target_core_transport.c +++ b/drivers/target/target_core_transport.c @@ -3519,9 +3519,9 @@ static void target_tmr_work(struct work_struct *work) switch (tmr->function) { case TMR_ABORT_TASK: + case TMR_ABORT_TASK_SET: core_tmr_abort_task(dev, tmr, cmd->se_sess); break; - case TMR_ABORT_TASK_SET: case TMR_CLEAR_ACA: case TMR_CLEAR_TASK_SET: tmr->response = TMR_TASK_MGMT_FUNCTION_NOT_SUPPORTED;