From mboxrd@z Thu Jan 1 00:00:00 1970 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 C51D9C41513 for ; Tue, 15 Aug 2023 02:18:29 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S234153AbjHOCR6 (ORCPT ); Mon, 14 Aug 2023 22:17:58 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:54520 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S234167AbjHOCRa (ORCPT ); Mon, 14 Aug 2023 22:17:30 -0400 Received: from dfw.source.kernel.org (dfw.source.kernel.org [139.178.84.217]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 9AF811737; Mon, 14 Aug 2023 19:17:29 -0700 (PDT) Received: from smtp.kernel.org (relay.kernel.org [52.25.139.140]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) key-exchange X25519 server-signature RSA-PSS (2048 bits)) (No client certificate requested) by dfw.source.kernel.org (Postfix) with ESMTPS id 3992661D74; Tue, 15 Aug 2023 02:17:29 +0000 (UTC) Received: by smtp.kernel.org (Postfix) with ESMTPSA id A912AC433C7; Tue, 15 Aug 2023 02:17:27 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1692065848; bh=J1bTIo24e9GiQFHhEdV5rSnznGwFqOPR/I1lTjngoA0=; h=Date:Subject:To:Cc:References:From:In-Reply-To:From; b=dw59dqwbIQ1uol4qYO4CzeGQp2cORwzCfLS7yxpQjuGoQnMqSDSlTxOUApSdEbQgw CriKypRGmAdm6AfuomzhqvdhlKJI+dE7heNlpzkQAMWKdvTj2wJQpZ4wRNFc+Ynwzd 8ug1XVRyy/ca7y8Y7G7uIWvef8ERhMnuUhRYwA7ck+k5Fsidk8i6t1K39B+32m9jBB if/MmXnIFn50LGSRyQlbb6DDrXdr3atAkRtT+SdUahBcDbirQvwKNRlqCLIEmAkV7X /iNehu+kEKibLNwnupKNfLLiHv276yQeI3i+i6heqj2mWBxYR2QE5KTJIOXZSddOHi 4RLpDorK+43sQ== Message-ID: <6a46cf7c-8eb1-15a6-1481-0ad0dcfbebc3@kernel.org> Date: Tue, 15 Aug 2023 11:17:26 +0900 MIME-Version: 1.0 User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:102.0) Gecko/20100101 Thunderbird/102.13.0 Subject: Re: [PATCH 07/10] scsi: libsas: Delete sas_ssp_task.task_prio Content-Language: en-US To: John Garry , jejb@linux.ibm.com, martin.petersen@oracle.com, chenxiang66@hisilicon.com, artur.paszkiewicz@intel.com, yanaijie@huawei.com, jinpu.wang@cloud.ionos.com Cc: linux-scsi@vger.kernel.org, linux-kernel@vger.kernel.org References: <20230814141022.36875-1-john.g.garry@oracle.com> <20230814141022.36875-8-john.g.garry@oracle.com> From: Damien Le Moal Organization: Western Digital Research In-Reply-To: <20230814141022.36875-8-john.g.garry@oracle.com> Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 7bit Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On 8/14/23 23:10, John Garry wrote: > Since libsas was introduced in commit 2908d778ab3e ("[SCSI] aic94xx: new > driver"), sas_ssp_task.task_prio is never set, so delete it > and any references which depend on it being set (all of them). > > Signed-off-by: John Garry > --- > drivers/scsi/aic94xx/aic94xx_task.c | 1 - > drivers/scsi/hisi_sas/hisi_sas_v1_hw.c | 3 +-- > drivers/scsi/hisi_sas/hisi_sas_v2_hw.c | 3 +-- > drivers/scsi/hisi_sas/hisi_sas_v3_hw.c | 2 +- > drivers/scsi/isci/request.c | 1 - > drivers/scsi/mvsas/mv_sas.c | 3 +-- > drivers/scsi/pm8001/pm8001_hwi.c | 1 - > drivers/scsi/pm8001/pm80xx_hwi.c | 1 - > include/scsi/libsas.h | 1 - > 9 files changed, 4 insertions(+), 12 deletions(-) > > diff --git a/drivers/scsi/aic94xx/aic94xx_task.c b/drivers/scsi/aic94xx/aic94xx_task.c > index 1ac4d3afc1a1..f67983e8b262 100644 > --- a/drivers/scsi/aic94xx/aic94xx_task.c > +++ b/drivers/scsi/aic94xx/aic94xx_task.c > @@ -485,7 +485,6 @@ static int asd_build_ssp_ascb(struct asd_ascb *ascb, struct sas_task *task, > scb->ssp_task.ssp_frame.tptt = cpu_to_be16(0xFFFF); > > memcpy(scb->ssp_task.ssp_cmd.lun, task->ssp_task.LUN, 8); > - scb->ssp_task.ssp_cmd.efb_prio_attr |= (task->ssp_task.task_prio << 3); > scb->ssp_task.ssp_cmd.efb_prio_attr |= (task->ssp_task.task_attr & 7); > memcpy(scb->ssp_task.ssp_cmd.cdb, task->ssp_task.cmd->cmnd, > task->ssp_task.cmd->cmd_len); > diff --git a/drivers/scsi/hisi_sas/hisi_sas_v1_hw.c b/drivers/scsi/hisi_sas/hisi_sas_v1_hw.c > index d4e3c3a058e0..3c555579f9a1 100644 > --- a/drivers/scsi/hisi_sas/hisi_sas_v1_hw.c > +++ b/drivers/scsi/hisi_sas/hisi_sas_v1_hw.c > @@ -1022,8 +1022,7 @@ static void prep_ssp_v1_hw(struct hisi_hba *hisi_hba, > > memcpy(buf_cmd, &task->ssp_task.LUN, 8); > if (!tmf) { > - buf_cmd[9] = task->ssp_task.task_attr | > - (task->ssp_task.task_prio << 3); > + buf_cmd[9] = task->ssp_task.task_attr; > memcpy(buf_cmd + 12, task->ssp_task.cmd->cmnd, > task->ssp_task.cmd->cmd_len); > } else { > diff --git a/drivers/scsi/hisi_sas/hisi_sas_v2_hw.c b/drivers/scsi/hisi_sas/hisi_sas_v2_hw.c > index 404aa7e179cb..73b378837da7 100644 > --- a/drivers/scsi/hisi_sas/hisi_sas_v2_hw.c > +++ b/drivers/scsi/hisi_sas/hisi_sas_v2_hw.c > @@ -1798,8 +1798,7 @@ static void prep_ssp_v2_hw(struct hisi_hba *hisi_hba, > > memcpy(buf_cmd, &task->ssp_task.LUN, 8); > if (!tmf) { > - buf_cmd[9] = task->ssp_task.task_attr | > - (task->ssp_task.task_prio << 3); > + buf_cmd[9] = task->ssp_task.task_attr; > memcpy(buf_cmd + 12, task->ssp_task.cmd->cmnd, > task->ssp_task.cmd->cmd_len); > } else { > diff --git a/drivers/scsi/hisi_sas/hisi_sas_v3_hw.c b/drivers/scsi/hisi_sas/hisi_sas_v3_hw.c > index 813807a24ae1..bbb64ee6afd7 100644 > --- a/drivers/scsi/hisi_sas/hisi_sas_v3_hw.c > +++ b/drivers/scsi/hisi_sas/hisi_sas_v3_hw.c > @@ -1326,7 +1326,7 @@ static void prep_ssp_v3_hw(struct hisi_hba *hisi_hba, > > memcpy(buf_cmd, &task->ssp_task.LUN, 8); > if (!tmf) { > - buf_cmd[9] = ssp_task->task_attr | (ssp_task->task_prio << 3); > + buf_cmd[9] = ssp_task->task_attr; > memcpy(buf_cmd + 12, scsi_cmnd->cmnd, scsi_cmnd->cmd_len); > } else { > buf_cmd[10] = tmf->tmf; > diff --git a/drivers/scsi/isci/request.c b/drivers/scsi/isci/request.c > index 6370cdbfba08..fdb8dff2e50c 100644 > --- a/drivers/scsi/isci/request.c > +++ b/drivers/scsi/isci/request.c > @@ -180,7 +180,6 @@ static void sci_io_request_build_ssp_command_iu(struct isci_request *ireq) > cmd_iu->_r_a = 0; > cmd_iu->_r_b = 0; > cmd_iu->en_fburst = 0; /* unsupported */ > - cmd_iu->task_prio = task->ssp_task.task_prio; Shouldn't this be replaced with: cmd_iu->task_prio = 0; ? (note sure how cmd_iu is being initialized, but given that the other fields around this code are assigned 0, I would guess this one needs that as well...) > cmd_iu->task_attr = task->ssp_task.task_attr; > cmd_iu->_r_c = 0; > > diff --git a/drivers/scsi/mvsas/mv_sas.c b/drivers/scsi/mvsas/mv_sas.c > index 165f46320bd2..1444b1f1c4c8 100644 > --- a/drivers/scsi/mvsas/mv_sas.c > +++ b/drivers/scsi/mvsas/mv_sas.c > @@ -663,8 +663,7 @@ static int mvs_task_prep_ssp(struct mvs_info *mvi, > memcpy(buf_cmd, &task->ssp_task.LUN, 8); > > if (ssp_hdr->frame_type != SSP_TASK) { > - buf_cmd[9] = task->ssp_task.task_attr | > - (task->ssp_task.task_prio << 3); > + buf_cmd[9] = task->ssp_task.task_attr; > memcpy(buf_cmd + 12, task->ssp_task.cmd->cmnd, > task->ssp_task.cmd->cmd_len); > } else{ > diff --git a/drivers/scsi/pm8001/pm8001_hwi.c b/drivers/scsi/pm8001/pm8001_hwi.c > index 18070e0e06d5..35797b56ea0a 100644 > --- a/drivers/scsi/pm8001/pm8001_hwi.c > +++ b/drivers/scsi/pm8001/pm8001_hwi.c > @@ -4053,7 +4053,6 @@ static int pm8001_chip_ssp_io_req(struct pm8001_hba_info *pm8001_ha, > ssp_cmd.data_len = cpu_to_le32(task->total_xfer_len); > ssp_cmd.device_id = cpu_to_le32(pm8001_dev->device_id); > ssp_cmd.tag = cpu_to_le32(tag); > - ssp_cmd.ssp_iu.efb_prio_attr |= (task->ssp_task.task_prio << 3); > ssp_cmd.ssp_iu.efb_prio_attr |= (task->ssp_task.task_attr & 7); > memcpy(ssp_cmd.ssp_iu.cdb, task->ssp_task.cmd->cmnd, > task->ssp_task.cmd->cmd_len); > diff --git a/drivers/scsi/pm8001/pm80xx_hwi.c b/drivers/scsi/pm8001/pm80xx_hwi.c > index ad5a73b86415..1c092ee37bdd 100644 > --- a/drivers/scsi/pm8001/pm80xx_hwi.c > +++ b/drivers/scsi/pm8001/pm80xx_hwi.c > @@ -4316,7 +4316,6 @@ static int pm80xx_chip_ssp_io_req(struct pm8001_hba_info *pm8001_ha, > ssp_cmd.data_len = cpu_to_le32(task->total_xfer_len); > ssp_cmd.device_id = cpu_to_le32(pm8001_dev->device_id); > ssp_cmd.tag = cpu_to_le32(tag); > - ssp_cmd.ssp_iu.efb_prio_attr |= (task->ssp_task.task_prio << 3); > ssp_cmd.ssp_iu.efb_prio_attr |= (task->ssp_task.task_attr & 7); > memcpy(ssp_cmd.ssp_iu.cdb, task->ssp_task.cmd->cmnd, > task->ssp_task.cmd->cmd_len); > diff --git a/include/scsi/libsas.h b/include/scsi/libsas.h > index d77db53cbd8d..5b2e6932c564 100644 > --- a/include/scsi/libsas.h > +++ b/include/scsi/libsas.h > @@ -565,7 +565,6 @@ enum task_attribute { > struct sas_ssp_task { > u8 LUN[8]; > enum task_attribute task_attr; > - u8 task_prio; > struct scsi_cmnd *cmd; > }; > -- Damien Le Moal Western Digital Research