From patchwork Tue Oct 25 10:18:13 2022 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: John Garry X-Patchwork-Id: 13018961 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 35E20C38A2D for ; Tue, 25 Oct 2022 09:53:43 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S231814AbiJYJxl (ORCPT ); Tue, 25 Oct 2022 05:53:41 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:33338 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S232062AbiJYJwL (ORCPT ); Tue, 25 Oct 2022 05:52:11 -0400 Received: from frasgout.his.huawei.com (frasgout.his.huawei.com [185.176.79.56]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id C17AF16F748; Tue, 25 Oct 2022 02:49:16 -0700 (PDT) Received: from fraeml745-chm.china.huawei.com (unknown [172.18.147.226]) by frasgout.his.huawei.com (SkyGuard) with ESMTP id 4MxRvF5WDGz6HJXS; Tue, 25 Oct 2022 17:47:53 +0800 (CST) Received: from lhrpeml500003.china.huawei.com (7.191.162.67) by fraeml745-chm.china.huawei.com (10.206.15.226) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_128_GCM_SHA256) id 15.1.2375.31; Tue, 25 Oct 2022 11:49:14 +0200 Received: from localhost.localdomain (10.69.192.58) by lhrpeml500003.china.huawei.com (7.191.162.67) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_128_GCM_SHA256) id 15.1.2375.31; Tue, 25 Oct 2022 10:49:10 +0100 From: John Garry To: , , , , , , , , , CC: , , , , , John Garry Subject: [PATCH RFC v3 19/22] scsi: libsas: Queue TMF commands as requests Date: Tue, 25 Oct 2022 18:18:13 +0800 Message-ID: <1666693096-180008-20-git-send-email-john.garry@huawei.com> X-Mailer: git-send-email 2.8.1 In-Reply-To: <1666693096-180008-1-git-send-email-john.garry@huawei.com> References: <1666693096-180008-1-git-send-email-john.garry@huawei.com> MIME-Version: 1.0 X-Originating-IP: [10.69.192.58] X-ClientProxiedBy: dggems705-chm.china.huawei.com (10.3.19.182) To lhrpeml500003.china.huawei.com (7.191.162.67) X-CFilter-Loop: Reflected Precedence: bulk List-ID: X-Mailing-List: linux-block@vger.kernel.org Like what we did with SMP commands, send TMF commands through the block layer. In sas_task_abort() we must ensure to not confuse "TMF" for SATA with regular SATA command which comes from libata. Signed-off-by: John Garry --- drivers/scsi/libsas/sas_scsi_host.c | 23 ++++++++--------------- 1 file changed, 8 insertions(+), 15 deletions(-) diff --git a/drivers/scsi/libsas/sas_scsi_host.c b/drivers/scsi/libsas/sas_scsi_host.c index 2c734a87bb7c..e6ee8dd56a45 100644 --- a/drivers/scsi/libsas/sas_scsi_host.c +++ b/drivers/scsi/libsas/sas_scsi_host.c @@ -1067,13 +1067,17 @@ int sas_execute_tmf(struct domain_device *device, void *parameter, int res, retry; for (retry = 0; retry < TASK_RETRY; retry++) { - task = sas_alloc_slow_task(GFP_KERNEL); + struct request *rq; + + task = sas_alloc_slow_task_rq(device, GFP_KERNEL); if (!task) return -ENOMEM; - task->dev = device; task->task_proto = device->tproto; + rq = scsi_cmd_to_rq(task->uldd_task); + rq->timeout = TASK_TIMEOUT; + if (dev_is_sata(device)) { task->ata_task.device_control_reg_update = 1; if (force_phy_id >= 0) { @@ -1085,20 +1089,9 @@ int sas_execute_tmf(struct domain_device *device, void *parameter, memcpy(&task->ssp_task, parameter, para_len); } - task->task_done = sas_task_internal_done; task->tmf = tmf; - task->slow_task->timer.function = sas_task_internal_timedout; - task->slow_task->timer.expires = jiffies + TASK_TIMEOUT; - add_timer(&task->slow_task->timer); - - res = i->dft->lldd_execute_task(task, GFP_KERNEL); - if (res) { - del_timer_sync(&task->slow_task->timer); - pr_err("executing TMF task failed %016llx (%d)\n", - SAS_ADDR(device->sas_addr), res); - break; - } + blk_execute_rq_nowait(rq, true); wait_for_completion(&task->slow_task->completion); @@ -1270,7 +1263,7 @@ void sas_task_abort(struct sas_task *task) return; } - if (dev_is_sata(task->dev)) + if (dev_is_sata(task->dev) && !task->slow_task) sas_ata_task_abort(task); else blk_abort_request(scsi_cmd_to_rq(sc));