From patchwork Fri Mar 11 12:23:50 2022 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: John Garry X-Patchwork-Id: 550707 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 7DC46C433F5 for ; Fri, 11 Mar 2022 12:29:57 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1348583AbiCKMa6 (ORCPT ); Fri, 11 Mar 2022 07:30:58 -0500 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:38316 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1348568AbiCKMaw (ORCPT ); Fri, 11 Mar 2022 07:30:52 -0500 Received: from frasgout.his.huawei.com (frasgout.his.huawei.com [185.176.79.56]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 426A71C910; Fri, 11 Mar 2022 04:29:49 -0800 (PST) Received: from fraeml736-chm.china.huawei.com (unknown [172.18.147.226]) by frasgout.his.huawei.com (SkyGuard) with ESMTP id 4KFQGd4n4gz688Wb; Fri, 11 Mar 2022 20:29:13 +0800 (CST) Received: from lhreml724-chm.china.huawei.com (10.201.108.75) by fraeml736-chm.china.huawei.com (10.206.15.217) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_128_GCM_SHA256) id 15.1.2308.21; Fri, 11 Mar 2022 13:29:46 +0100 Received: from localhost.localdomain (10.69.192.58) by lhreml724-chm.china.huawei.com (10.201.108.75) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_128_GCM_SHA256) id 15.1.2308.21; Fri, 11 Mar 2022 12:29:42 +0000 From: John Garry To: , , , CC: , , , , , , , , John Garry Subject: [PATCH v2 2/4] scsi: libsas: Add sas_execute_internal_abort_dev() Date: Fri, 11 Mar 2022 20:23:50 +0800 Message-ID: <1647001432-239276-3-git-send-email-john.garry@huawei.com> X-Mailer: git-send-email 2.8.1 In-Reply-To: <1647001432-239276-1-git-send-email-john.garry@huawei.com> References: <1647001432-239276-1-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 lhreml724-chm.china.huawei.com (10.201.108.75) X-CFilter-Loop: Reflected Precedence: bulk List-ID: X-Mailing-List: linux-scsi@vger.kernel.org Add support for a "device" variant of internal abort, which will abort all pending IOs for a specific device. Signed-off-by: John Garry Tested-by: Damien Le Moal --- drivers/scsi/libsas/sas_scsi_host.c | 8 ++++++++ include/scsi/libsas.h | 8 ++++++++ 2 files changed, 16 insertions(+) diff --git a/drivers/scsi/libsas/sas_scsi_host.c b/drivers/scsi/libsas/sas_scsi_host.c index bb6baa52264d..13142ec97f1d 100644 --- a/drivers/scsi/libsas/sas_scsi_host.c +++ b/drivers/scsi/libsas/sas_scsi_host.c @@ -994,6 +994,14 @@ int sas_execute_internal_abort_single(struct domain_device *device, u16 tag, } EXPORT_SYMBOL_GPL(sas_execute_internal_abort_single); +int sas_execute_internal_abort_dev(struct domain_device *device, + unsigned int qid, void *data) +{ + return sas_execute_internal_abort(device, SAS_INTERNAL_ABORT_DEV, + SCSI_NO_TAG, qid, data); +} +EXPORT_SYMBOL_GPL(sas_execute_internal_abort_dev); + int sas_execute_tmf(struct domain_device *device, void *parameter, int para_len, int force_phy_id, struct sas_tmf_task *tmf) diff --git a/include/scsi/libsas.h b/include/scsi/libsas.h index 2d30d57916e5..71f632b2d2bd 100644 --- a/include/scsi/libsas.h +++ b/include/scsi/libsas.h @@ -560,6 +560,7 @@ struct sas_ata_task { /* LLDDs rely on these values */ enum sas_internal_abort { SAS_INTERNAL_ABORT_SINGLE = 0, + SAS_INTERNAL_ABORT_DEV = 1, }; struct sas_internal_abort_task { @@ -641,6 +642,11 @@ extern struct sas_task *sas_alloc_task(gfp_t flags); extern struct sas_task *sas_alloc_slow_task(gfp_t flags); extern void sas_free_task(struct sas_task *task); +static inline bool sas_is_internal_abort(struct sas_task *task) +{ + return task->task_proto == SAS_PROTOCOL_INTERNAL_ABORT; +} + struct sas_domain_function_template { /* The class calls these to notify the LLDD of an event. */ void (*lldd_port_formed)(struct asd_sas_phy *); @@ -697,6 +703,8 @@ extern int sas_bios_param(struct scsi_device *, struct block_device *, int sas_execute_internal_abort_single(struct domain_device *device, u16 tag, unsigned int qid, void *data); +int sas_execute_internal_abort_dev(struct domain_device *device, + unsigned int qid, void *data); extern struct scsi_transport_template * sas_domain_attach_transport(struct sas_domain_function_template *); extern struct device_attribute dev_attr_phy_event_threshold;