From patchwork Tue Feb 22 12:50:49 2022 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: John Garry X-Patchwork-Id: 545187 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 CACE9C4167D for ; Tue, 22 Feb 2022 12:57:36 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S232126AbiBVM6A (ORCPT ); Tue, 22 Feb 2022 07:58:00 -0500 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:59310 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S232070AbiBVM5u (ORCPT ); Tue, 22 Feb 2022 07:57:50 -0500 Received: from frasgout.his.huawei.com (frasgout.his.huawei.com [185.176.79.56]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 6B2C7A88A4; Tue, 22 Feb 2022 04:57:05 -0800 (PST) Received: from fraeml701-chm.china.huawei.com (unknown [172.18.147.200]) by frasgout.his.huawei.com (SkyGuard) with ESMTP id 4K2zgP5wS1z67PfY; Tue, 22 Feb 2022 20:56:01 +0800 (CST) Received: from lhreml724-chm.china.huawei.com (10.201.108.75) by fraeml701-chm.china.huawei.com (10.206.15.50) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_128_CBC_SHA256_P256) id 15.1.2308.21; Tue, 22 Feb 2022 13:57:03 +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; Tue, 22 Feb 2022 12:56:59 +0000 From: John Garry To: , , , , , , CC: , , , , , , , , John Garry Subject: [PATCH v3 08/18] scsi: libsas: Add sas_task.tmf Date: Tue, 22 Feb 2022 20:50:49 +0800 Message-ID: <1645534259-27068-9-git-send-email-john.garry@huawei.com> X-Mailer: git-send-email 2.8.1 In-Reply-To: <1645534259-27068-1-git-send-email-john.garry@huawei.com> References: <1645534259-27068-1-git-send-email-john.garry@huawei.com> MIME-Version: 1.0 X-Originating-IP: [10.69.192.58] X-ClientProxiedBy: dggems702-chm.china.huawei.com (10.3.19.179) 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 a pointer to a sas_tmf_task to the sas_task struct, as this will be used when the common LLDD TMF code is factored out. Also set it for the LLDDs to store per-sas_task TMF info. Signed-off-by: John Garry Reviewed-by: Christoph Hellwig Tested-by: Yihang Li Tested-by: Damien Le Moal --- drivers/scsi/hisi_sas/hisi_sas_main.c | 16 ++++++--------- drivers/scsi/mvsas/mv_sas.c | 15 ++++++-------- drivers/scsi/pm8001/pm8001_sas.c | 28 ++++++++++----------------- include/scsi/libsas.h | 1 + 4 files changed, 23 insertions(+), 37 deletions(-) diff --git a/drivers/scsi/hisi_sas/hisi_sas_main.c b/drivers/scsi/hisi_sas/hisi_sas_main.c index 88e641143b82..bd40323f7053 100644 --- a/drivers/scsi/hisi_sas/hisi_sas_main.c +++ b/drivers/scsi/hisi_sas/hisi_sas_main.c @@ -463,8 +463,7 @@ void hisi_sas_task_deliver(struct hisi_hba *hisi_hba, spin_unlock(&dq->lock); } -static int hisi_sas_task_exec(struct sas_task *task, gfp_t gfp_flags, - struct sas_tmf_task *tmf) +static int hisi_sas_queue_command(struct sas_task *task, gfp_t gfp_flags) { int n_elem = 0, n_elem_dif = 0, n_elem_req = 0; struct domain_device *device = task->dev; @@ -575,8 +574,8 @@ static int hisi_sas_task_exec(struct sas_task *task, gfp_t gfp_flags, slot->task = task; slot->port = port; - slot->tmf = tmf; - slot->is_internal = tmf; + slot->tmf = task->tmf; + slot->is_internal = task->tmf; /* protect task_prep and start_delivery sequence */ hisi_sas_task_deliver(hisi_hba, slot, dq, sas_dev, NULL); @@ -1106,11 +1105,6 @@ static void hisi_sas_dev_gone(struct domain_device *device) up(&hisi_hba->sem); } -static int hisi_sas_queue_command(struct sas_task *task, gfp_t gfp_flags) -{ - return hisi_sas_task_exec(task, gfp_flags, NULL); -} - static int hisi_sas_phy_set_linkrate(struct hisi_hba *hisi_hba, int phy_no, struct sas_phy_linkrates *r) { @@ -1264,7 +1258,9 @@ static int hisi_sas_exec_internal_tmf_task(struct domain_device *device, task->slow_task->timer.expires = jiffies + TASK_TIMEOUT; add_timer(&task->slow_task->timer); - res = hisi_sas_task_exec(task, GFP_KERNEL, tmf); + task->tmf = tmf; + + res = hisi_sas_queue_command(task, GFP_KERNEL); if (res) { del_timer_sync(&task->slow_task->timer); dev_err(dev, "abort tmf: executing internal task failed: %d\n", diff --git a/drivers/scsi/mvsas/mv_sas.c b/drivers/scsi/mvsas/mv_sas.c index 53509996db9f..47fcd8de9ece 100644 --- a/drivers/scsi/mvsas/mv_sas.c +++ b/drivers/scsi/mvsas/mv_sas.c @@ -837,14 +837,14 @@ static int mvs_task_prep(struct sas_task *task, struct mvs_info *mvi, int is_tmf return rc; } -static int mvs_task_exec(struct sas_task *task, gfp_t gfp_flags, - struct completion *completion, int is_tmf, - struct sas_tmf_task *tmf) +int mvs_queue_command(struct sas_task *task, gfp_t gfp_flags) { struct mvs_info *mvi = NULL; u32 rc = 0; u32 pass = 0; unsigned long flags = 0; + struct sas_tmf_task *tmf = task->tmf; + int is_tmf = !!task->tmf; mvi = ((struct mvs_device *)task->dev->lldd_dev)->mvi_info; @@ -861,11 +861,6 @@ static int mvs_task_exec(struct sas_task *task, gfp_t gfp_flags, return rc; } -int mvs_queue_command(struct sas_task *task, gfp_t gfp_flags) -{ - return mvs_task_exec(task, gfp_flags, NULL, 0, NULL); -} - static void mvs_slot_free(struct mvs_info *mvi, u32 rx_desc) { u32 slot_idx = rx_desc & RXQ_SLOT_MASK; @@ -1297,7 +1292,9 @@ static int mvs_exec_internal_tmf_task(struct domain_device *dev, task->slow_task->timer.expires = jiffies + MVS_TASK_TIMEOUT*HZ; add_timer(&task->slow_task->timer); - res = mvs_task_exec(task, GFP_KERNEL, NULL, 1, tmf); + task->tmf = tmf; + + res = mvs_queue_command(task, GFP_KERNEL); if (res) { del_timer(&task->slow_task->timer); diff --git a/drivers/scsi/pm8001/pm8001_sas.c b/drivers/scsi/pm8001/pm8001_sas.c index a93b7f0bb358..a53e4b54154f 100644 --- a/drivers/scsi/pm8001/pm8001_sas.c +++ b/drivers/scsi/pm8001/pm8001_sas.c @@ -371,15 +371,14 @@ static int sas_find_local_port_id(struct domain_device *dev) #define DEV_IS_GONE(pm8001_dev) \ ((!pm8001_dev || (pm8001_dev->dev_type == SAS_PHY_UNUSED))) + /** - * pm8001_task_exec - queue the task(ssp, smp && ata) to the hardware. + * pm8001_queue_command - register for upper layer used, all IO commands sent + * to HBA are from this interface. * @task: the task to be execute. - * @gfp_flags: gfp_flags. - * @is_tmf: if it is task management task. - * @tmf: the task management IU + * @gfp_flags: gfp_flags */ -static int pm8001_task_exec(struct sas_task *task, - gfp_t gfp_flags, int is_tmf, struct sas_tmf_task *tmf) +int pm8001_queue_command(struct sas_task *task, gfp_t gfp_flags) { struct domain_device *dev = task->dev; struct pm8001_hba_info *pm8001_ha; @@ -390,6 +389,8 @@ static int pm8001_task_exec(struct sas_task *task, u32 tag = 0xdeadbeef, rc = 0, n_elem = 0; unsigned long flags = 0; enum sas_protocol task_proto = t->task_proto; + struct sas_tmf_task *tmf = task->tmf; + int is_tmf = !!task->tmf; if (!dev->port) { struct task_status_struct *tsm = &t->task_status; @@ -504,17 +505,6 @@ static int pm8001_task_exec(struct sas_task *task, return rc; } -/** - * pm8001_queue_command - register for upper layer used, all IO commands sent - * to HBA are from this interface. - * @task: the task to be execute. - * @gfp_flags: gfp_flags - */ -int pm8001_queue_command(struct sas_task *task, gfp_t gfp_flags) -{ - return pm8001_task_exec(task, gfp_flags, 0, NULL); -} - /** * pm8001_ccb_task_free - free the sg for ssp and smp command, free the ccb. * @pm8001_ha: our hba card information @@ -749,7 +739,9 @@ static int pm8001_exec_internal_tmf_task(struct domain_device *dev, task->slow_task->timer.expires = jiffies + PM8001_TASK_TIMEOUT*HZ; add_timer(&task->slow_task->timer); - res = pm8001_task_exec(task, GFP_KERNEL, 1, tmf); + task->tmf = tmf; + + res = pm8001_queue_command(task, GFP_KERNEL); if (res) { del_timer(&task->slow_task->timer); diff --git a/include/scsi/libsas.h b/include/scsi/libsas.h index 7a55853fad7b..9c181ebccfee 100644 --- a/include/scsi/libsas.h +++ b/include/scsi/libsas.h @@ -610,6 +610,7 @@ struct sas_task { void *lldd_task; /* for use by LLDDs */ void *uldd_task; struct sas_task_slow *slow_task; + struct sas_tmf_task *tmf; }; struct sas_task_slow {