From patchwork Tue May 18 17:50:04 2021 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Bart Van Assche X-Patchwork-Id: 441575 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-16.8 required=3.0 tests=BAYES_00, HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_CR_TRAILER,INCLUDES_PATCH, MAILING_LIST_MULTI, SPF_HELO_NONE, SPF_PASS, USER_AGENT_GIT autolearn=ham autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id 06280C433B4 for ; Tue, 18 May 2021 17:50:25 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id D9136611EE for ; Tue, 18 May 2021 17:50:24 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1351308AbhERRvm (ORCPT ); Tue, 18 May 2021 13:51:42 -0400 Received: from mail-pj1-f45.google.com ([209.85.216.45]:56107 "EHLO mail-pj1-f45.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1345502AbhERRvl (ORCPT ); Tue, 18 May 2021 13:51:41 -0400 Received: by mail-pj1-f45.google.com with SMTP id gm21so5907948pjb.5 for ; Tue, 18 May 2021 10:50:23 -0700 (PDT) X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:from:to:cc:subject:date:message-id:in-reply-to :references:mime-version:content-transfer-encoding; bh=CoCWvILBU/xuVDUdiiKI1s/Sb+wDWFgTxOYnXyVK8Ts=; b=W4rApSrF2p9wAkX9JXKdyX5r5sIOOc431mazopwXjpDntc9NFU2QPSBBYAv2lpUSxt s11QfjqqIQjSfI3rV4US8QgEjICt5Htu0yXG8n1mdsuj1lTELk7A9m74CS5OQKWRUE00 DelacYTX2W5koXMIsw3JBJUPsgUMEfmUQgJ6Au9WA3RbrmcYOHT72cYXBtQy/h4tfmC7 UC2uKSLtDWhj5cmbDFHou8NshJfL95t6BNcPcaY5rsKKLX5Juh8c02OC4QBf3YGYXG/h 7EIOfdNfuQIJ7FPu/kaCotTsXYanofZtgR2KzA+LP1+F1duReGgkl3sKk5kwOW9+kk8j RdyQ== X-Gm-Message-State: AOAM532bHmnlBKLTE6giV2rnfsgsZt8ZtPMhc4mcgqzBup8Kt64meTwD kdpKuBI6nY3BNw0CxtKT774= X-Google-Smtp-Source: ABdhPJxjNOlnqfQMr5trnHHs9c5VutrcFVlmSSDMRZD1BNzvJqd/8UvKogQpUc1sf0aDHmvggB4J/w== X-Received: by 2002:a17:90a:e7c6:: with SMTP id kb6mr6561011pjb.81.1621360222841; Tue, 18 May 2021 10:50:22 -0700 (PDT) Received: from asus.hsd1.ca.comcast.net ([2601:647:4000:d7:4ae4:fc49:eafe:4150]) by smtp.gmail.com with ESMTPSA id a2sm613762pfv.156.2021.05.18.10.50.21 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Tue, 18 May 2021 10:50:22 -0700 (PDT) From: Bart Van Assche To: "Martin K . Petersen" Cc: linux-scsi@vger.kernel.org, Bart Van Assche , Hannes Reinecke , John Garry , Artur Paszkiewicz , Jack Wang , Jason Yan , "James E.J. Bottomley" , Tom Rix , "Gustavo A. R. Silva" , Luo Jiaxing , Jolly Shah , Liu Shixin , Colin Ian King , "Ahmed S. Darwish" Subject: [PATCH v2 1/3] libsas: Introduce more SAM status code aliases in enum exec_status Date: Tue, 18 May 2021 10:50:04 -0700 Message-Id: <20210518175006.21308-2-bvanassche@acm.org> X-Mailer: git-send-email 2.31.1 In-Reply-To: <20210518175006.21308-1-bvanassche@acm.org> References: <20210518175006.21308-1-bvanassche@acm.org> MIME-Version: 1.0 Precedence: bulk List-ID: X-Mailing-List: linux-scsi@vger.kernel.org This patch prepares for converting SAM status codes into an enum. Without this patch converting SAM status codes into an enumeration type would trigger complaints about enum type mismatches for the SAS code. Cc: Hannes Reinecke Cc: John Garry Cc: Artur Paszkiewicz Cc: Jack Wang Cc: Jason Yan Signed-off-by: Bart Van Assche Acked-by: Jack Wang Reviewed-by: John Garry --- drivers/scsi/aic94xx/aic94xx_task.c | 2 +- drivers/scsi/hisi_sas/hisi_sas_v1_hw.c | 8 ++++---- drivers/scsi/hisi_sas/hisi_sas_v2_hw.c | 8 ++++---- drivers/scsi/hisi_sas/hisi_sas_v3_hw.c | 8 ++++---- drivers/scsi/isci/request.c | 10 +++++----- drivers/scsi/isci/task.c | 2 +- drivers/scsi/libsas/sas_ata.c | 7 ++++--- drivers/scsi/libsas/sas_expander.c | 2 +- drivers/scsi/libsas/sas_task.c | 4 ++-- drivers/scsi/mvsas/mv_sas.c | 10 +++++----- drivers/scsi/pm8001/pm8001_hwi.c | 16 ++++++++-------- drivers/scsi/pm8001/pm8001_sas.c | 4 ++-- drivers/scsi/pm8001/pm80xx_hwi.c | 14 +++++++------- include/scsi/libsas.h | 12 +++++++++--- 14 files changed, 57 insertions(+), 50 deletions(-) diff --git a/drivers/scsi/aic94xx/aic94xx_task.c b/drivers/scsi/aic94xx/aic94xx_task.c index 71d18f607dae..518ad4758a45 100644 --- a/drivers/scsi/aic94xx/aic94xx_task.c +++ b/drivers/scsi/aic94xx/aic94xx_task.c @@ -205,7 +205,7 @@ static void asd_task_tasklet_complete(struct asd_ascb *ascb, switch (opcode) { case TC_NO_ERROR: ts->resp = SAS_TASK_COMPLETE; - ts->stat = SAM_STAT_GOOD; + ts->stat = SAS_STAT_GOOD; break; case TC_UNDERRUN: ts->resp = SAS_TASK_COMPLETE; diff --git a/drivers/scsi/hisi_sas/hisi_sas_v1_hw.c b/drivers/scsi/hisi_sas/hisi_sas_v1_hw.c index 3e359ac752fd..9bb3ebd2a4e1 100644 --- a/drivers/scsi/hisi_sas/hisi_sas_v1_hw.c +++ b/drivers/scsi/hisi_sas/hisi_sas_v1_hw.c @@ -1152,14 +1152,14 @@ static void slot_err_v1_hw(struct hisi_hba *hisi_hba, } default: { - ts->stat = SAM_STAT_CHECK_CONDITION; + ts->stat = SAS_STAT_CHECK_CONDITION; break; } } } break; case SAS_PROTOCOL_SMP: - ts->stat = SAM_STAT_CHECK_CONDITION; + ts->stat = SAS_STAT_CHECK_CONDITION; break; case SAS_PROTOCOL_SATA: @@ -1281,7 +1281,7 @@ static void slot_complete_v1_hw(struct hisi_hba *hisi_hba, struct scatterlist *sg_resp = &task->smp_task.smp_resp; void *to = page_address(sg_page(sg_resp)); - ts->stat = SAM_STAT_GOOD; + ts->stat = SAS_STAT_GOOD; dma_unmap_sg(dev, &task->smp_task.smp_req, 1, DMA_TO_DEVICE); @@ -1298,7 +1298,7 @@ static void slot_complete_v1_hw(struct hisi_hba *hisi_hba, break; default: - ts->stat = SAM_STAT_CHECK_CONDITION; + ts->stat = SAS_STAT_CHECK_CONDITION; break; } diff --git a/drivers/scsi/hisi_sas/hisi_sas_v2_hw.c b/drivers/scsi/hisi_sas/hisi_sas_v2_hw.c index 46f60fc2a069..67d1a821edb6 100644 --- a/drivers/scsi/hisi_sas/hisi_sas_v2_hw.c +++ b/drivers/scsi/hisi_sas/hisi_sas_v2_hw.c @@ -2168,7 +2168,7 @@ static void slot_err_v2_hw(struct hisi_hba *hisi_hba, } break; case SAS_PROTOCOL_SMP: - ts->stat = SAM_STAT_CHECK_CONDITION; + ts->stat = SAS_STAT_CHECK_CONDITION; break; case SAS_PROTOCOL_SATA: @@ -2427,7 +2427,7 @@ static void slot_complete_v2_hw(struct hisi_hba *hisi_hba, struct scatterlist *sg_resp = &task->smp_task.smp_resp; void *to = page_address(sg_page(sg_resp)); - ts->stat = SAM_STAT_GOOD; + ts->stat = SAS_STAT_GOOD; dma_unmap_sg(dev, &task->smp_task.smp_req, 1, DMA_TO_DEVICE); @@ -2441,12 +2441,12 @@ static void slot_complete_v2_hw(struct hisi_hba *hisi_hba, case SAS_PROTOCOL_STP: case SAS_PROTOCOL_SATA | SAS_PROTOCOL_STP: { - ts->stat = SAM_STAT_GOOD; + ts->stat = SAS_STAT_GOOD; hisi_sas_sata_done(task, slot); break; } default: - ts->stat = SAM_STAT_CHECK_CONDITION; + ts->stat = SAS_STAT_CHECK_CONDITION; break; } diff --git a/drivers/scsi/hisi_sas/hisi_sas_v3_hw.c b/drivers/scsi/hisi_sas/hisi_sas_v3_hw.c index 499c770d405c..35d58daa2729 100644 --- a/drivers/scsi/hisi_sas/hisi_sas_v3_hw.c +++ b/drivers/scsi/hisi_sas/hisi_sas_v3_hw.c @@ -2178,7 +2178,7 @@ slot_err_v3_hw(struct hisi_hba *hisi_hba, struct sas_task *task, hisi_sas_sata_done(task, slot); break; case SAS_PROTOCOL_SMP: - ts->stat = SAM_STAT_CHECK_CONDITION; + ts->stat = SAS_STAT_CHECK_CONDITION; break; default: break; @@ -2285,7 +2285,7 @@ static void slot_complete_v3_hw(struct hisi_hba *hisi_hba, struct scatterlist *sg_resp = &task->smp_task.smp_resp; void *to = page_address(sg_page(sg_resp)); - ts->stat = SAM_STAT_GOOD; + ts->stat = SAS_STAT_GOOD; dma_unmap_sg(dev, &task->smp_task.smp_req, 1, DMA_TO_DEVICE); @@ -2298,11 +2298,11 @@ static void slot_complete_v3_hw(struct hisi_hba *hisi_hba, case SAS_PROTOCOL_SATA: case SAS_PROTOCOL_STP: case SAS_PROTOCOL_SATA | SAS_PROTOCOL_STP: - ts->stat = SAM_STAT_GOOD; + ts->stat = SAS_STAT_GOOD; hisi_sas_sata_done(task, slot); break; default: - ts->stat = SAM_STAT_CHECK_CONDITION; + ts->stat = SAS_STAT_CHECK_CONDITION; break; } diff --git a/drivers/scsi/isci/request.c b/drivers/scsi/isci/request.c index e7c6cb4c1556..83069d0f69b3 100644 --- a/drivers/scsi/isci/request.c +++ b/drivers/scsi/isci/request.c @@ -2566,7 +2566,7 @@ static void isci_request_handle_controller_specific_errors( if (!idev) *status_ptr = SAS_DEVICE_UNKNOWN; else - *status_ptr = SAM_STAT_TASK_ABORTED; + *status_ptr = SAS_STAT_TASK_ABORTED; clear_bit(IREQ_COMPLETE_IN_TARGET, &request->flags); } @@ -2696,7 +2696,7 @@ static void isci_request_handle_controller_specific_errors( default: /* Task in the target is not done. */ *response_ptr = SAS_TASK_UNDELIVERED; - *status_ptr = SAM_STAT_TASK_ABORTED; + *status_ptr = SAS_STAT_TASK_ABORTED; if (task->task_proto == SAS_PROTOCOL_SMP) set_bit(IREQ_COMPLETE_IN_TARGET, &request->flags); @@ -2719,7 +2719,7 @@ static void isci_process_stp_response(struct sas_task *task, struct dev_to_host_ if (ac_err_mask(fis->status)) ts->stat = SAS_PROTO_RESPONSE; else - ts->stat = SAM_STAT_GOOD; + ts->stat = SAS_STAT_GOOD; ts->resp = SAS_TASK_COMPLETE; } @@ -2782,7 +2782,7 @@ static void isci_request_io_request_complete(struct isci_host *ihost, case SCI_IO_SUCCESS_IO_DONE_EARLY: response = SAS_TASK_COMPLETE; - status = SAM_STAT_GOOD; + status = SAS_STAT_GOOD; set_bit(IREQ_COMPLETE_IN_TARGET, &request->flags); if (completion_status == SCI_IO_SUCCESS_IO_DONE_EARLY) { @@ -2852,7 +2852,7 @@ static void isci_request_io_request_complete(struct isci_host *ihost, /* Fail the I/O. */ response = SAS_TASK_UNDELIVERED; - status = SAM_STAT_TASK_ABORTED; + status = SAS_STAT_TASK_ABORTED; clear_bit(IREQ_COMPLETE_IN_TARGET, &request->flags); break; diff --git a/drivers/scsi/isci/task.c b/drivers/scsi/isci/task.c index 62062ed6cd9a..4ab33393d4ed 100644 --- a/drivers/scsi/isci/task.c +++ b/drivers/scsi/isci/task.c @@ -160,7 +160,7 @@ int isci_task_execute_task(struct sas_task *task, gfp_t gfp_flags) isci_task_refuse(ihost, task, SAS_TASK_UNDELIVERED, - SAM_STAT_TASK_ABORTED); + SAS_STAT_TASK_ABORTED); } else { task->task_state_flags |= SAS_TASK_AT_INITIATOR; spin_unlock_irqrestore(&task->task_state_lock, flags); diff --git a/drivers/scsi/libsas/sas_ata.c b/drivers/scsi/libsas/sas_ata.c index e9a86128f1f1..fbdcf6fd7d85 100644 --- a/drivers/scsi/libsas/sas_ata.c +++ b/drivers/scsi/libsas/sas_ata.c @@ -116,9 +116,10 @@ static void sas_ata_task_done(struct sas_task *task) } } - if (stat->stat == SAS_PROTO_RESPONSE || stat->stat == SAM_STAT_GOOD || - ((stat->stat == SAM_STAT_CHECK_CONDITION && - dev->sata_dev.class == ATA_DEV_ATAPI))) { + if (stat->stat == SAS_PROTO_RESPONSE || + stat->stat == SAS_STAT_GOOD || + (stat->stat == SAS_STAT_CHECK_CONDITION && + dev->sata_dev.class == ATA_DEV_ATAPI)) { memcpy(dev->sata_dev.fis, resp->ending_fis, ATA_RESP_FIS_SIZE); if (!link->sactive) { diff --git a/drivers/scsi/libsas/sas_expander.c b/drivers/scsi/libsas/sas_expander.c index 6d583e8c403a..bc8cbccb87cd 100644 --- a/drivers/scsi/libsas/sas_expander.c +++ b/drivers/scsi/libsas/sas_expander.c @@ -101,7 +101,7 @@ static int smp_execute_task_sg(struct domain_device *dev, } } if (task->task_status.resp == SAS_TASK_COMPLETE && - task->task_status.stat == SAM_STAT_GOOD) { + task->task_status.stat == SAS_STAT_GOOD) { res = 0; break; } diff --git a/drivers/scsi/libsas/sas_task.c b/drivers/scsi/libsas/sas_task.c index e2d42593ce52..4e0c3ffd9aac 100644 --- a/drivers/scsi/libsas/sas_task.c +++ b/drivers/scsi/libsas/sas_task.c @@ -20,7 +20,7 @@ void sas_ssp_task_response(struct device *dev, struct sas_task *task, else if (iu->datapres == 1) tstat->stat = iu->resp_data[3]; else if (iu->datapres == 2) { - tstat->stat = SAM_STAT_CHECK_CONDITION; + tstat->stat = SAS_STAT_CHECK_CONDITION; tstat->buf_valid_size = min_t(int, SAS_STATUS_BUF_SIZE, be32_to_cpu(iu->sense_data_len)); @@ -32,7 +32,7 @@ void sas_ssp_task_response(struct device *dev, struct sas_task *task, } else /* when datapres contains corrupt/unknown value... */ - tstat->stat = SAM_STAT_CHECK_CONDITION; + tstat->stat = SAS_STAT_CHECK_CONDITION; } EXPORT_SYMBOL_GPL(sas_ssp_task_response); diff --git a/drivers/scsi/mvsas/mv_sas.c b/drivers/scsi/mvsas/mv_sas.c index 1acea528f27f..087c4f3acc81 100644 --- a/drivers/scsi/mvsas/mv_sas.c +++ b/drivers/scsi/mvsas/mv_sas.c @@ -1314,7 +1314,7 @@ static int mvs_exec_internal_tmf_task(struct domain_device *dev, } if (task->task_status.resp == SAS_TASK_COMPLETE && - task->task_status.stat == SAM_STAT_GOOD) { + task->task_status.stat == SAS_STAT_GOOD) { res = TMF_RESP_FUNC_COMPLETE; break; } @@ -1764,7 +1764,7 @@ int mvs_slot_complete(struct mvs_info *mvi, u32 rx_desc, u32 flags) case SAS_PROTOCOL_SSP: /* hw says status == 0, datapres == 0 */ if (rx_desc & RXQ_GOOD) { - tstat->stat = SAM_STAT_GOOD; + tstat->stat = SAS_STAT_GOOD; tstat->resp = SAS_TASK_COMPLETE; } /* response frame present */ @@ -1773,12 +1773,12 @@ int mvs_slot_complete(struct mvs_info *mvi, u32 rx_desc, u32 flags) sizeof(struct mvs_err_info); sas_ssp_task_response(mvi->dev, task, iu); } else - tstat->stat = SAM_STAT_CHECK_CONDITION; + tstat->stat = SAS_STAT_CHECK_CONDITION; break; case SAS_PROTOCOL_SMP: { struct scatterlist *sg_resp = &task->smp_task.smp_resp; - tstat->stat = SAM_STAT_GOOD; + tstat->stat = SAS_STAT_GOOD; to = kmap_atomic(sg_page(sg_resp)); memcpy(to + sg_resp->offset, slot->response + sizeof(struct mvs_err_info), @@ -1795,7 +1795,7 @@ int mvs_slot_complete(struct mvs_info *mvi, u32 rx_desc, u32 flags) } default: - tstat->stat = SAM_STAT_CHECK_CONDITION; + tstat->stat = SAS_STAT_CHECK_CONDITION; break; } if (!slot->port->port_attached) { diff --git a/drivers/scsi/pm8001/pm8001_hwi.c b/drivers/scsi/pm8001/pm8001_hwi.c index ecd06d2d7e81..4740d7eee196 100644 --- a/drivers/scsi/pm8001/pm8001_hwi.c +++ b/drivers/scsi/pm8001/pm8001_hwi.c @@ -1930,7 +1930,7 @@ mpi_ssp_completion(struct pm8001_hba_info *pm8001_ha, void *piomb) param); if (param == 0) { ts->resp = SAS_TASK_COMPLETE; - ts->stat = SAM_STAT_GOOD; + ts->stat = SAS_STAT_GOOD; } else { ts->resp = SAS_TASK_COMPLETE; ts->stat = SAS_PROTO_RESPONSE; @@ -2390,7 +2390,7 @@ mpi_sata_completion(struct pm8001_hba_info *pm8001_ha, void *piomb) pm8001_dbg(pm8001_ha, IO, "IO_SUCCESS\n"); if (param == 0) { ts->resp = SAS_TASK_COMPLETE; - ts->stat = SAM_STAT_GOOD; + ts->stat = SAS_STAT_GOOD; /* check if response is for SEND READ LOG */ if (pm8001_dev && (pm8001_dev->id & NCQ_READ_LOG_FLAG)) { @@ -2912,7 +2912,7 @@ mpi_smp_completion(struct pm8001_hba_info *pm8001_ha, void *piomb) case IO_SUCCESS: pm8001_dbg(pm8001_ha, IO, "IO_SUCCESS\n"); ts->resp = SAS_TASK_COMPLETE; - ts->stat = SAM_STAT_GOOD; + ts->stat = SAS_STAT_GOOD; if (pm8001_dev) atomic_dec(&pm8001_dev->running_req); break; @@ -2939,17 +2939,17 @@ mpi_smp_completion(struct pm8001_hba_info *pm8001_ha, void *piomb) case IO_ERROR_HW_TIMEOUT: pm8001_dbg(pm8001_ha, IO, "IO_ERROR_HW_TIMEOUT\n"); ts->resp = SAS_TASK_COMPLETE; - ts->stat = SAM_STAT_BUSY; + ts->stat = SAS_STAT_BUSY; break; case IO_XFER_ERROR_BREAK: pm8001_dbg(pm8001_ha, IO, "IO_XFER_ERROR_BREAK\n"); ts->resp = SAS_TASK_COMPLETE; - ts->stat = SAM_STAT_BUSY; + ts->stat = SAS_STAT_BUSY; break; case IO_XFER_ERROR_PHY_NOT_READY: pm8001_dbg(pm8001_ha, IO, "IO_XFER_ERROR_PHY_NOT_READY\n"); ts->resp = SAS_TASK_COMPLETE; - ts->stat = SAM_STAT_BUSY; + ts->stat = SAS_STAT_BUSY; break; case IO_OPEN_CNX_ERROR_PROTOCOL_NOT_SUPPORTED: pm8001_dbg(pm8001_ha, IO, @@ -3710,7 +3710,7 @@ int pm8001_mpi_task_abort_resp(struct pm8001_hba_info *pm8001_ha, void *piomb) case IO_SUCCESS: pm8001_dbg(pm8001_ha, EH, "IO_SUCCESS\n"); ts->resp = SAS_TASK_COMPLETE; - ts->stat = SAM_STAT_GOOD; + ts->stat = SAS_STAT_GOOD; break; case IO_NOT_VALID: pm8001_dbg(pm8001_ha, EH, "IO_NOT_VALID\n"); @@ -4355,7 +4355,7 @@ static int pm8001_chip_sata_req(struct pm8001_hba_info *pm8001_ha, spin_lock_irqsave(&task->task_state_lock, flags); ts->resp = SAS_TASK_COMPLETE; - ts->stat = SAM_STAT_GOOD; + ts->stat = SAS_STAT_GOOD; task->task_state_flags &= ~SAS_TASK_STATE_PENDING; task->task_state_flags &= ~SAS_TASK_AT_INITIATOR; task->task_state_flags |= SAS_TASK_STATE_DONE; diff --git a/drivers/scsi/pm8001/pm8001_sas.c b/drivers/scsi/pm8001/pm8001_sas.c index d28af413b93a..4367f4166704 100644 --- a/drivers/scsi/pm8001/pm8001_sas.c +++ b/drivers/scsi/pm8001/pm8001_sas.c @@ -753,7 +753,7 @@ static int pm8001_exec_internal_tmf_task(struct domain_device *dev, } if (task->task_status.resp == SAS_TASK_COMPLETE && - task->task_status.stat == SAM_STAT_GOOD) { + task->task_status.stat == SAS_STAT_GOOD) { res = TMF_RESP_FUNC_COMPLETE; break; } @@ -838,7 +838,7 @@ pm8001_exec_internal_task_abort(struct pm8001_hba_info *pm8001_ha, } if (task->task_status.resp == SAS_TASK_COMPLETE && - task->task_status.stat == SAM_STAT_GOOD) { + task->task_status.stat == SAS_STAT_GOOD) { res = TMF_RESP_FUNC_COMPLETE; break; diff --git a/drivers/scsi/pm8001/pm80xx_hwi.c b/drivers/scsi/pm8001/pm80xx_hwi.c index 4e980830f9f5..4aec0405288f 100644 --- a/drivers/scsi/pm8001/pm80xx_hwi.c +++ b/drivers/scsi/pm8001/pm80xx_hwi.c @@ -1952,7 +1952,7 @@ mpi_ssp_completion(struct pm8001_hba_info *pm8001_ha, void *piomb) param); if (param == 0) { ts->resp = SAS_TASK_COMPLETE; - ts->stat = SAM_STAT_GOOD; + ts->stat = SAS_STAT_GOOD; } else { ts->resp = SAS_TASK_COMPLETE; ts->stat = SAS_PROTO_RESPONSE; @@ -2487,7 +2487,7 @@ mpi_sata_completion(struct pm8001_hba_info *pm8001_ha, void *piomb) pm8001_dbg(pm8001_ha, IO, "IO_SUCCESS\n"); if (param == 0) { ts->resp = SAS_TASK_COMPLETE; - ts->stat = SAM_STAT_GOOD; + ts->stat = SAS_STAT_GOOD; /* check if response is for SEND READ LOG */ if (pm8001_dev && (pm8001_dev->id & NCQ_READ_LOG_FLAG)) { @@ -3042,7 +3042,7 @@ mpi_smp_completion(struct pm8001_hba_info *pm8001_ha, void *piomb) case IO_SUCCESS: pm8001_dbg(pm8001_ha, IO, "IO_SUCCESS\n"); ts->resp = SAS_TASK_COMPLETE; - ts->stat = SAM_STAT_GOOD; + ts->stat = SAS_STAT_GOOD; if (pm8001_dev) atomic_dec(&pm8001_dev->running_req); if (pm8001_ha->smp_exp_mode == SMP_DIRECT) { @@ -3084,17 +3084,17 @@ mpi_smp_completion(struct pm8001_hba_info *pm8001_ha, void *piomb) case IO_ERROR_HW_TIMEOUT: pm8001_dbg(pm8001_ha, IO, "IO_ERROR_HW_TIMEOUT\n"); ts->resp = SAS_TASK_COMPLETE; - ts->stat = SAM_STAT_BUSY; + ts->stat = SAS_STAT_BUSY; break; case IO_XFER_ERROR_BREAK: pm8001_dbg(pm8001_ha, IO, "IO_XFER_ERROR_BREAK\n"); ts->resp = SAS_TASK_COMPLETE; - ts->stat = SAM_STAT_BUSY; + ts->stat = SAS_STAT_BUSY; break; case IO_XFER_ERROR_PHY_NOT_READY: pm8001_dbg(pm8001_ha, IO, "IO_XFER_ERROR_PHY_NOT_READY\n"); ts->resp = SAS_TASK_COMPLETE; - ts->stat = SAM_STAT_BUSY; + ts->stat = SAS_STAT_BUSY; break; case IO_OPEN_CNX_ERROR_PROTOCOL_NOT_SUPPORTED: pm8001_dbg(pm8001_ha, IO, @@ -4699,7 +4699,7 @@ static int pm80xx_chip_sata_req(struct pm8001_hba_info *pm8001_ha, spin_lock_irqsave(&task->task_state_lock, flags); ts->resp = SAS_TASK_COMPLETE; - ts->stat = SAM_STAT_GOOD; + ts->stat = SAS_STAT_GOOD; task->task_state_flags &= ~SAS_TASK_STATE_PENDING; task->task_state_flags &= ~SAS_TASK_AT_INITIATOR; task->task_state_flags |= SAS_TASK_STATE_DONE; diff --git a/include/scsi/libsas.h b/include/scsi/libsas.h index 9271d7a49b90..e68327fa4835 100644 --- a/include/scsi/libsas.h +++ b/include/scsi/libsas.h @@ -474,10 +474,16 @@ enum service_response { }; enum exec_status { - /* The SAM_STAT_.. codes fit in the lower 6 bits, alias some of - * them here to silence 'case value not in enumerated type' warnings + /* + * Values 0..0x7f are used to return the SAM_STAT_* codes. To avoid + * 'case value not in enumerated type' compiler warnings every value + * returned through the exec_status enum needs an alias with the SAS_ + * prefix here. */ - __SAM_STAT_CHECK_CONDITION = SAM_STAT_CHECK_CONDITION, + SAS_STAT_GOOD = SAM_STAT_GOOD, + SAS_STAT_BUSY = SAM_STAT_BUSY, + SAS_STAT_TASK_ABORTED = SAM_STAT_TASK_ABORTED, + SAS_STAT_CHECK_CONDITION = SAM_STAT_CHECK_CONDITION, SAS_DEV_NO_RESPONSE = 0x80, SAS_DATA_UNDERRUN, From patchwork Tue May 18 17:50:05 2021 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Bart Van Assche X-Patchwork-Id: 441574 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-16.8 required=3.0 tests=BAYES_00, HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_CR_TRAILER,INCLUDES_PATCH, MAILING_LIST_MULTI, SPF_HELO_NONE, SPF_PASS, USER_AGENT_GIT autolearn=ham autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id D952DC433ED for ; Tue, 18 May 2021 17:50:28 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id BA83B611CE for ; Tue, 18 May 2021 17:50:28 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1351317AbhERRvq (ORCPT ); Tue, 18 May 2021 13:51:46 -0400 Received: from mail-pj1-f41.google.com ([209.85.216.41]:54056 "EHLO mail-pj1-f41.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1345502AbhERRvo (ORCPT ); Tue, 18 May 2021 13:51:44 -0400 Received: by mail-pj1-f41.google.com with SMTP id ot16so3988106pjb.3 for ; Tue, 18 May 2021 10:50:25 -0700 (PDT) X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:from:to:cc:subject:date:message-id:in-reply-to :references:mime-version:content-transfer-encoding; bh=KwzAkuPz1O/CIDtA+Plh6E9240n52uDYpSmv2h0bq2M=; b=Eo+8ASqMVxG7Kc1lOKRS4fpMVY8qLBEfqc/pc2ix4Ue3ro0us/xqSd0U1t3Btg3lEX OvMM7sYIxfEICT1cR3+nfxRKh4vxr3HyxOo44LIonk9UUt8NnV5bEzhIRdkBPi+SfG1e GZ8LNcdK7QxyCGV2kC4pjTYNynFSe/bjHRHfPTYXOp6RA5VKvCV2D21DFi0cb9WBcPsf tfQch3+KoNxQvNmIiRK8iYtV/JW2yfxGgn9XqgFT3wmU6yLn6qwkAmFTr0uCZ3srS/wP 9ojKK8h/wQIAeHNS9feSR7dyGpqAhrubL9qQuvUKUFpIAXOPoumpoEfdqTUSIndCQ3EZ 3yMA== X-Gm-Message-State: AOAM533gbO5Q8XhJM4BBbdG6l/uL90R05d8rwGBKQgzX+TsrHu9wVq2X OoC9xEPi/JPjZxvI9BF70ME= X-Google-Smtp-Source: ABdhPJy6cgDOigztHNv/5N373ysDUV/3kJ0mafq9faUto3PqUPxKTAxpFEPxnpb2cqHmTSYeaLMPMw== X-Received: by 2002:a17:90a:ba07:: with SMTP id s7mr6668660pjr.129.1621360225161; Tue, 18 May 2021 10:50:25 -0700 (PDT) Received: from asus.hsd1.ca.comcast.net ([2601:647:4000:d7:4ae4:fc49:eafe:4150]) by smtp.gmail.com with ESMTPSA id a2sm613762pfv.156.2021.05.18.10.50.24 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Tue, 18 May 2021 10:50:24 -0700 (PDT) From: Bart Van Assche To: "Martin K . Petersen" Cc: linux-scsi@vger.kernel.org, Bart Van Assche , Hannes Reinecke , John Garry , "James E.J. Bottomley" Subject: [PATCH v2 2/3] Introduce enums for the SAM, message, host and driver status codes Date: Tue, 18 May 2021 10:50:05 -0700 Message-Id: <20210518175006.21308-3-bvanassche@acm.org> X-Mailer: git-send-email 2.31.1 In-Reply-To: <20210518175006.21308-1-bvanassche@acm.org> References: <20210518175006.21308-1-bvanassche@acm.org> MIME-Version: 1.0 Precedence: bulk List-ID: X-Mailing-List: linux-scsi@vger.kernel.org Make it possible for the compiler to verify whether SAM, message, host and driver status codes are used correctly. Cc: Hannes Reinecke Cc: John Garry Signed-off-by: Bart Van Assche Reviewed-by: John Garry --- drivers/scsi/constants.c | 4 +- drivers/target/target_core_pscsi.c | 2 +- include/scsi/scsi.h | 81 +-------------------------- include/scsi/scsi_proto.h | 24 ++++---- include/scsi/scsi_status.h | 89 ++++++++++++++++++++++++++++++ 5 files changed, 107 insertions(+), 93 deletions(-) create mode 100644 include/scsi/scsi_status.h diff --git a/drivers/scsi/constants.c b/drivers/scsi/constants.c index 84d73f57292b..28ef83868478 100644 --- a/drivers/scsi/constants.c +++ b/drivers/scsi/constants.c @@ -412,8 +412,8 @@ static const char * const driverbyte_table[]={ const char *scsi_hostbyte_string(int result) { + enum scsi_host_status hb = host_byte(result); const char *hb_string = NULL; - int hb = host_byte(result); if (hb < ARRAY_SIZE(hostbyte_table)) hb_string = hostbyte_table[hb]; @@ -423,8 +423,8 @@ EXPORT_SYMBOL(scsi_hostbyte_string); const char *scsi_driverbyte_string(int result) { + enum scsi_driver_status db = driver_byte(result); const char *db_string = NULL; - int db = driver_byte(result); if (db < ARRAY_SIZE(driverbyte_table)) db_string = driverbyte_table[db]; diff --git a/drivers/target/target_core_pscsi.c b/drivers/target/target_core_pscsi.c index f2a11414366d..6e08673dc583 100644 --- a/drivers/target/target_core_pscsi.c +++ b/drivers/target/target_core_pscsi.c @@ -1044,7 +1044,7 @@ static void pscsi_req_done(struct request *req, blk_status_t status) struct se_cmd *cmd = req->end_io_data; struct pscsi_plugin_task *pt = cmd->priv; int result = scsi_req(req)->result; - u8 scsi_status = status_byte(result) << 1; + enum sam_status scsi_status = status_byte(result) << 1; if (scsi_status != SAM_STAT_GOOD) { pr_debug("PSCSI Status Byte exception at cmd: %p CDB:" diff --git a/include/scsi/scsi.h b/include/scsi/scsi.h index 7f392405991b..268fe1730d6b 100644 --- a/include/scsi/scsi.h +++ b/include/scsi/scsi.h @@ -11,6 +11,7 @@ #include #include #include +#include struct scsi_cmnd; @@ -64,92 +65,14 @@ static inline int scsi_is_wlun(u64 lun) /* - * MESSAGE CODES + * Extended message codes. */ - -#define COMMAND_COMPLETE 0x00 -#define EXTENDED_MESSAGE 0x01 #define EXTENDED_MODIFY_DATA_POINTER 0x00 #define EXTENDED_SDTR 0x01 #define EXTENDED_EXTENDED_IDENTIFY 0x02 /* SCSI-I only */ #define EXTENDED_WDTR 0x03 #define EXTENDED_PPR 0x04 #define EXTENDED_MODIFY_BIDI_DATA_PTR 0x05 -#define SAVE_POINTERS 0x02 -#define RESTORE_POINTERS 0x03 -#define DISCONNECT 0x04 -#define INITIATOR_ERROR 0x05 -#define ABORT_TASK_SET 0x06 -#define MESSAGE_REJECT 0x07 -#define NOP 0x08 -#define MSG_PARITY_ERROR 0x09 -#define LINKED_CMD_COMPLETE 0x0a -#define LINKED_FLG_CMD_COMPLETE 0x0b -#define TARGET_RESET 0x0c -#define ABORT_TASK 0x0d -#define CLEAR_TASK_SET 0x0e -#define INITIATE_RECOVERY 0x0f /* SCSI-II only */ -#define RELEASE_RECOVERY 0x10 /* SCSI-II only */ -#define TERMINATE_IO_PROC 0x11 /* SCSI-II only */ -#define CLEAR_ACA 0x16 -#define LOGICAL_UNIT_RESET 0x17 -#define SIMPLE_QUEUE_TAG 0x20 -#define HEAD_OF_QUEUE_TAG 0x21 -#define ORDERED_QUEUE_TAG 0x22 -#define IGNORE_WIDE_RESIDUE 0x23 -#define ACA 0x24 -#define QAS_REQUEST 0x55 - -/* Old SCSI2 names, don't use in new code */ -#define BUS_DEVICE_RESET TARGET_RESET -#define ABORT ABORT_TASK_SET - -/* - * Host byte codes - */ - -#define DID_OK 0x00 /* NO error */ -#define DID_NO_CONNECT 0x01 /* Couldn't connect before timeout period */ -#define DID_BUS_BUSY 0x02 /* BUS stayed busy through time out period */ -#define DID_TIME_OUT 0x03 /* TIMED OUT for other reason */ -#define DID_BAD_TARGET 0x04 /* BAD target. */ -#define DID_ABORT 0x05 /* Told to abort for some other reason */ -#define DID_PARITY 0x06 /* Parity error */ -#define DID_ERROR 0x07 /* Internal error */ -#define DID_RESET 0x08 /* Reset by somebody. */ -#define DID_BAD_INTR 0x09 /* Got an interrupt we weren't expecting. */ -#define DID_PASSTHROUGH 0x0a /* Force command past mid-layer */ -#define DID_SOFT_ERROR 0x0b /* The low level driver just wish a retry */ -#define DID_IMM_RETRY 0x0c /* Retry without decrementing retry count */ -#define DID_REQUEUE 0x0d /* Requeue command (no immediate retry) also - * without decrementing the retry count */ -#define DID_TRANSPORT_DISRUPTED 0x0e /* Transport error disrupted execution - * and the driver blocked the port to - * recover the link. Transport class will - * retry or fail IO */ -#define DID_TRANSPORT_FAILFAST 0x0f /* Transport class fastfailed the io */ -#define DID_TARGET_FAILURE 0x10 /* Permanent target failure, do not retry on - * other paths */ -#define DID_NEXUS_FAILURE 0x11 /* Permanent nexus failure, retry on other - * paths might yield different results */ -#define DID_ALLOC_FAILURE 0x12 /* Space allocation on the device failed */ -#define DID_MEDIUM_ERROR 0x13 /* Medium error */ -#define DID_TRANSPORT_MARGINAL 0x14 /* Transport marginal errors */ -#define DRIVER_OK 0x00 /* Driver status */ - -/* - * These indicate the error that occurred, and what is available. - */ - -#define DRIVER_BUSY 0x01 -#define DRIVER_SOFT 0x02 -#define DRIVER_MEDIA 0x03 -#define DRIVER_ERROR 0x04 - -#define DRIVER_INVALID 0x05 -#define DRIVER_TIMEOUT 0x06 -#define DRIVER_HARD 0x07 -#define DRIVER_SENSE 0x08 /* * Internal return values. diff --git a/include/scsi/scsi_proto.h b/include/scsi/scsi_proto.h index 5c106c4f249e..84d4a3a14963 100644 --- a/include/scsi/scsi_proto.h +++ b/include/scsi/scsi_proto.h @@ -190,17 +190,19 @@ struct scsi_varlen_cdb_hdr { * SCSI Architecture Model (SAM) Status codes. Taken from SAM-3 draft * T10/1561-D Revision 4 Draft dated 7th November 2002. */ -#define SAM_STAT_GOOD 0x00 -#define SAM_STAT_CHECK_CONDITION 0x02 -#define SAM_STAT_CONDITION_MET 0x04 -#define SAM_STAT_BUSY 0x08 -#define SAM_STAT_INTERMEDIATE 0x10 -#define SAM_STAT_INTERMEDIATE_CONDITION_MET 0x14 -#define SAM_STAT_RESERVATION_CONFLICT 0x18 -#define SAM_STAT_COMMAND_TERMINATED 0x22 /* obsolete in SAM-3 */ -#define SAM_STAT_TASK_SET_FULL 0x28 -#define SAM_STAT_ACA_ACTIVE 0x30 -#define SAM_STAT_TASK_ABORTED 0x40 +enum sam_status { + SAM_STAT_GOOD = 0x00, + SAM_STAT_CHECK_CONDITION = 0x02, + SAM_STAT_CONDITION_MET = 0x04, + SAM_STAT_BUSY = 0x08, + SAM_STAT_INTERMEDIATE = 0x10, + SAM_STAT_INTERMEDIATE_CONDITION_MET = 0x14, + SAM_STAT_RESERVATION_CONFLICT = 0x18, + SAM_STAT_COMMAND_TERMINATED = 0x22, /* obsolete in SAM-3 */ + SAM_STAT_TASK_SET_FULL = 0x28, + SAM_STAT_ACA_ACTIVE = 0x30, + SAM_STAT_TASK_ABORTED = 0x40, +}; /* * Status codes. These are deprecated as they are shifted 1 bit right diff --git a/include/scsi/scsi_status.h b/include/scsi/scsi_status.h new file mode 100644 index 000000000000..66d2d421ad2d --- /dev/null +++ b/include/scsi/scsi_status.h @@ -0,0 +1,89 @@ +/* SPDX-License-Identifier: GPL-2.0 */ + +#ifndef _SCSI_SCSI_STATUS_H +#define _SCSI_SCSI_STATUS_H + +#include +#include + +/* Message codes. */ +enum scsi_msg_byte { + COMMAND_COMPLETE = 0x00, + EXTENDED_MESSAGE = 0x01, + SAVE_POINTERS = 0x02, + RESTORE_POINTERS = 0x03, + DISCONNECT = 0x04, + INITIATOR_ERROR = 0x05, + ABORT_TASK_SET = 0x06, + MESSAGE_REJECT = 0x07, + NOP = 0x08, + MSG_PARITY_ERROR = 0x09, + LINKED_CMD_COMPLETE = 0x0a, + LINKED_FLG_CMD_COMPLETE = 0x0b, + TARGET_RESET = 0x0c, + ABORT_TASK = 0x0d, + CLEAR_TASK_SET = 0x0e, + INITIATE_RECOVERY = 0x0f, /* SCSI-II only */ + RELEASE_RECOVERY = 0x10, /* SCSI-II only */ + TERMINATE_IO_PROC = 0x11, /* SCSI-II only */ + CLEAR_ACA = 0x16, + LOGICAL_UNIT_RESET = 0x17, + SIMPLE_QUEUE_TAG = 0x20, + HEAD_OF_QUEUE_TAG = 0x21, + ORDERED_QUEUE_TAG = 0x22, + IGNORE_WIDE_RESIDUE = 0x23, + ACA = 0x24, + QAS_REQUEST = 0x55, + + /* Old SCSI2 names, don't use in new code */ + BUS_DEVICE_RESET = TARGET_RESET, + ABORT = ABORT_TASK_SET, +}; + +/* Host byte codes. */ +enum scsi_host_status { + DID_OK = 0x00, /* NO error */ + DID_NO_CONNECT = 0x01, /* Couldn't connect before timeout period */ + DID_BUS_BUSY = 0x02, /* BUS stayed busy through time out period */ + DID_TIME_OUT = 0x03, /* TIMED OUT for other reason */ + DID_BAD_TARGET = 0x04, /* BAD target. */ + DID_ABORT = 0x05, /* Told to abort for some other reason */ + DID_PARITY = 0x06, /* Parity error */ + DID_ERROR = 0x07, /* Internal error */ + DID_RESET = 0x08, /* Reset by somebody. */ + DID_BAD_INTR = 0x09, /* Got an interrupt we weren't expecting. */ + DID_PASSTHROUGH = 0x0a, /* Force command past mid-layer */ + DID_SOFT_ERROR = 0x0b, /* The low level driver just wish a retry */ + DID_IMM_RETRY = 0x0c, /* Retry without decrementing retry count */ + DID_REQUEUE = 0x0d, /* Requeue command (no immediate retry) also + * without decrementing the retry count */ + DID_TRANSPORT_DISRUPTED = 0x0e, /* Transport error disrupted execution + * and the driver blocked the port to + * recover the link. Transport class will + * retry or fail IO */ + DID_TRANSPORT_FAILFAST = 0x0f, /* Transport class fastfailed the io */ + DID_TARGET_FAILURE = 0x10, /* Permanent target failure, do not retry on + * other paths */ + DID_NEXUS_FAILURE = 0x11, /* Permanent nexus failure, retry on other + * paths might yield different results */ + DID_ALLOC_FAILURE = 0x12, /* Space allocation on the device failed */ + DID_MEDIUM_ERROR = 0x13, /* Medium error */ + DID_TRANSPORT_MARGINAL = 0x14, /* Transport marginal errors */ +}; + +/* Driver byte codes. */ +enum scsi_driver_status { + DRIVER_OK = 0x00, + + DRIVER_BUSY = 0x01, + DRIVER_SOFT = 0x02, + DRIVER_MEDIA = 0x03, + DRIVER_ERROR = 0x04, + + DRIVER_INVALID = 0x05, + DRIVER_TIMEOUT = 0x06, + DRIVER_HARD = 0x07, + DRIVER_SENSE = 0x08, +}; + +#endif /* _SCSI_SCSI_STATUS_H */