From patchwork Thu Apr 30 13:18:55 2020 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Hannes Reinecke X-Patchwork-Id: 11520267 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 8073718A4 for ; Thu, 30 Apr 2020 13:20:20 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 7368E20870 for ; Thu, 30 Apr 2020 13:20:20 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1726965AbgD3NUT (ORCPT ); Thu, 30 Apr 2020 09:20:19 -0400 Received: from mx2.suse.de ([195.135.220.15]:60756 "EHLO mx2.suse.de" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1726955AbgD3NUL (ORCPT ); Thu, 30 Apr 2020 09:20:11 -0400 X-Virus-Scanned: by amavisd-new at test-mx.suse.de Received: from relay2.suse.de (unknown [195.135.220.254]) by mx2.suse.de (Postfix) with ESMTP id 95B0AAF69; Thu, 30 Apr 2020 13:20:02 +0000 (UTC) From: Hannes Reinecke To: "Martin K. Petersen" Cc: Christoph Hellwig , James Bottomley , John Garry , Ming Lei , Bart van Assche , linux-scsi@vger.kernel.org, Hannes Reinecke Subject: [PATCH RFC v3 32/41] pm8001: kill pm8001_issue_ssp_tmf() Date: Thu, 30 Apr 2020 15:18:55 +0200 Message-Id: <20200430131904.5847-33-hare@suse.de> X-Mailer: git-send-email 2.16.4 In-Reply-To: <20200430131904.5847-1-hare@suse.de> References: <20200430131904.5847-1-hare@suse.de> Sender: linux-scsi-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-scsi@vger.kernel.org Just a wrapper around pm8001_exec_internal_tmf_task(), so call it directly and kill the wrapper. Signed-off-by: Hannes Reinecke --- drivers/scsi/pm8001/pm8001_sas.c | 42 ++++++++++++++++------------------------ 1 file changed, 17 insertions(+), 25 deletions(-) diff --git a/drivers/scsi/pm8001/pm8001_sas.c b/drivers/scsi/pm8001/pm8001_sas.c index b7cbc312843e..eb645e4a5940 100644 --- a/drivers/scsi/pm8001/pm8001_sas.c +++ b/drivers/scsi/pm8001/pm8001_sas.c @@ -700,16 +700,15 @@ static void pm8001_tmf_timedout(struct timer_list *t) /** * pm8001_exec_internal_tmf_task - execute some task management commands. * @dev: the wanted device. + * @lun: the logical unit number of the device * @tmf: which task management wanted to be take. - * @para_len: para_len. - * @parameter: ssp task parameter. * * when errors or exception happened, we may want to do something, for example * abort the issued task which result in this execption, it is done by calling * this function, note it is also with the task execute interface. */ static int pm8001_exec_internal_tmf_task(struct domain_device *dev, - void *parameter, u32 para_len, struct pm8001_tmf_task *tmf) + u8 *lun, struct pm8001_tmf_task *tmf) { int res, retry; struct sas_task *task = NULL; @@ -717,6 +716,9 @@ static int pm8001_exec_internal_tmf_task(struct domain_device *dev, struct pm8001_device *pm8001_dev = dev->lldd_dev; DECLARE_COMPLETION_ONSTACK(completion_setstate); + if (!(dev->tproto & SAS_PROTOCOL_SSP)) + return TMF_RESP_FUNC_ESUPP; + for (retry = 0; retry < 3; retry++) { task = sas_alloc_slow_task(GFP_KERNEL); if (!task) @@ -724,7 +726,7 @@ static int pm8001_exec_internal_tmf_task(struct domain_device *dev, task->dev = dev; task->task_proto = dev->tproto; - memcpy(&task->ssp_task, parameter, para_len); + memcpy(task->ssp_task.LUN, lun, 8); task->task_done = pm8001_task_done; task->slow_task->timer.function = pm8001_tmf_timedout; task->slow_task->timer.expires = jiffies + PM8001_TASK_TIMEOUT*HZ; @@ -909,18 +911,6 @@ void pm8001_dev_gone(struct domain_device *dev) pm8001_dev_gone_notify(dev); } -static int pm8001_issue_ssp_tmf(struct domain_device *dev, - u8 *lun, struct pm8001_tmf_task *tmf) -{ - struct sas_ssp_task ssp_task; - if (!(dev->tproto & SAS_PROTOCOL_SSP)) - return TMF_RESP_FUNC_ESUPP; - - strncpy((u8 *)&ssp_task.LUN, lun, 8); - return pm8001_exec_internal_tmf_task(dev, &ssp_task, sizeof(ssp_task), - tmf); -} - /* retry commands by ha, by task and/or by device */ void pm8001_open_reject_retry( struct pm8001_hba_info *pm8001_ha, @@ -1127,7 +1117,7 @@ int pm8001_lu_reset(struct domain_device *dev, u8 *lun) wait_for_completion(&completion_setstate); } else { tmf_task.tmf = TMF_LU_RESET; - rc = pm8001_issue_ssp_tmf(dev, lun, &tmf_task); + rc = pm8001_exec_internal_tmf_task(dev, lun, &tmf_task); } /* If failed, fall-through I_T_Nexus reset */ PM8001_EH_DBG(pm8001_ha, pm8001_printk("for device[%x]:rc=%d\n", @@ -1162,10 +1152,10 @@ int pm8001_query_task(struct sas_task *task) for (i = 0; i < 16; i++) printk(KERN_INFO "%02x ", cmnd->cmnd[i]); printk(KERN_INFO "]\n"); - tmf_task.tmf = TMF_QUERY_TASK; + tmf_task.tmf = TMF_QUERY_TASK; tmf_task.tag_of_task_to_be_managed = tag; - rc = pm8001_issue_ssp_tmf(dev, lun.scsi_lun, &tmf_task); + rc = pm8001_exec_internal_tmf_task(dev, lun.scsi_lun, &tmf_task); switch (rc) { /* The task is still in Lun, release it then */ case TMF_RESP_FUNC_SUCC: @@ -1225,9 +1215,11 @@ int pm8001_abort_task(struct sas_task *task) int_to_scsilun(cmnd->device->lun, &lun); tmf_task.tmf = TMF_ABORT_TASK; tmf_task.tag_of_task_to_be_managed = tag; - rc = pm8001_issue_ssp_tmf(dev, lun.scsi_lun, &tmf_task); - pm8001_exec_internal_task_abort(pm8001_ha, pm8001_dev, - pm8001_dev->sas_device, 0, tag); + rc = pm8001_exec_internal_tmf_task(dev, lun.scsi_lun, + &tmf_task); + if (rc == TMF_RESP_FUNC_SUCC) + pm8001_exec_internal_task_abort(pm8001_ha, pm8001_dev, + pm8001_dev->sas_device, 0, tag); } else if (task->task_proto & SAS_PROTOCOL_SATA || task->task_proto & SAS_PROTOCOL_STP) { if (pm8001_ha->chip_id == chip_8006) { @@ -1337,7 +1329,7 @@ int pm8001_abort_task_set(struct domain_device *dev, u8 *lun) struct pm8001_tmf_task tmf_task; tmf_task.tmf = TMF_ABORT_TASK_SET; - return pm8001_issue_ssp_tmf(dev, lun, &tmf_task); + return pm8001_exec_internal_tmf_task(dev, lun, &tmf_task); } int pm8001_clear_aca(struct domain_device *dev, u8 *lun) @@ -1345,7 +1337,7 @@ int pm8001_clear_aca(struct domain_device *dev, u8 *lun) struct pm8001_tmf_task tmf_task; tmf_task.tmf = TMF_CLEAR_ACA; - return pm8001_issue_ssp_tmf(dev, lun, &tmf_task); + return pm8001_exec_internal_tmf_task(dev, lun, &tmf_task); } int pm8001_clear_task_set(struct domain_device *dev, u8 *lun) @@ -1358,6 +1350,6 @@ int pm8001_clear_task_set(struct domain_device *dev, u8 *lun) pm8001_printk("I_T_L_Q clear task set[%x]\n", pm8001_dev->device_id)); tmf_task.tmf = TMF_CLEAR_TASK_SET; - return pm8001_issue_ssp_tmf(dev, lun, &tmf_task); + return pm8001_exec_internal_tmf_task(dev, lun, &tmf_task); }