From patchwork Sun Oct 14 15:59:35 2018 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Christoph Hellwig X-Patchwork-Id: 10640683 Return-Path: Received: from mail.wl.linuxfoundation.org (pdx-wl-mail.web.codeaurora.org [172.30.200.125]) by pdx-korg-patchwork-2.web.codeaurora.org (Postfix) with ESMTP id 4F316933 for ; Sun, 14 Oct 2018 16:00:11 +0000 (UTC) Received: from mail.wl.linuxfoundation.org (localhost [127.0.0.1]) by mail.wl.linuxfoundation.org (Postfix) with ESMTP id 4D0EF29E19 for ; Sun, 14 Oct 2018 16:00:11 +0000 (UTC) Received: by mail.wl.linuxfoundation.org (Postfix, from userid 486) id 4188029E29; Sun, 14 Oct 2018 16:00:11 +0000 (UTC) X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on pdx-wl-mail.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-7.7 required=2.0 tests=BAYES_00,DKIM_INVALID, DKIM_SIGNED,MAILING_LIST_MULTI,RCVD_IN_DNSWL_HI autolearn=ham version=3.3.1 Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.wl.linuxfoundation.org (Postfix) with ESMTP id B185F29E19 for ; Sun, 14 Oct 2018 16:00:10 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1727799AbeJNXlh (ORCPT ); Sun, 14 Oct 2018 19:41:37 -0400 Received: from bombadil.infradead.org ([198.137.202.133]:46848 "EHLO bombadil.infradead.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1727386AbeJNXlg (ORCPT ); Sun, 14 Oct 2018 19:41:36 -0400 DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=infradead.org; s=bombadil.20170209; h=Content-Transfer-Encoding: MIME-Version:References:In-Reply-To:Message-Id:Date:Subject:To:From:Sender: Reply-To:Cc:Content-Type:Content-ID:Content-Description:Resent-Date: Resent-From:Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID:List-Id: List-Help:List-Unsubscribe:List-Subscribe:List-Post:List-Owner:List-Archive; bh=+WsF2Rk7Id2j/rZl8JAeSQ760E0y2crDeoXLmguIiWA=; b=cbgzZRvhU/gasvmnMbxdj/pmY aAjIce11RWGITwjTi35WecrsDTALxDcsnE491Dj8nt43EWEJAzdrxqFMJ9TtI8TU/5x7pBY7N9uDa B8IVt+/ydgo4ZsICvByRR+ADjDgU5YDtPMKW/ssV1mL9/2pRYdPtvxbEZuFx3Cas+lCDvvG8QTRir eiKf3nG9zUhcA3/EIaqlgCaqinpyITqfWs7PkTFiEMI4BpseGPHJXPsn+jXcuaMzu5iAxex1JPksc Z7jnEVvBd5xsnFj7mb4Zw7vqfuVva7WSd+ZJFCM+Yy7Ir6CnfYNXaR9yHB15vTgRDUa/Wuu9l2wpY xQoP3AO5g==; Received: from 089144199123.atnat0008.highway.a1.net ([89.144.199.123] helo=localhost) by bombadil.infradead.org with esmtpsa (Exim 4.90_1 #2 (Red Hat Linux)) id 1gBioJ-0001nO-NQ for linux-scsi@vger.kernel.org; Sun, 14 Oct 2018 16:00:08 +0000 From: Christoph Hellwig To: linux-scsi@vger.kernel.org Subject: [PATCH 01/28] aic94xx: fully convert to the generic DMA API Date: Sun, 14 Oct 2018 17:59:35 +0200 Message-Id: <20181014160002.8383-2-hch@lst.de> X-Mailer: git-send-email 2.19.1 In-Reply-To: <20181014160002.8383-1-hch@lst.de> References: <20181014160002.8383-1-hch@lst.de> MIME-Version: 1.0 X-SRS-Rewrite: SMTP reverse-path rewritten from by bombadil.infradead.org. See http://www.infradead.org/rpr.html Sender: linux-scsi-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-scsi@vger.kernel.org X-Virus-Scanned: ClamAV using ClamSMTP The driver is currently using an odd mix of legacy PCI DMA API and generic DMA API calls, switch it over to the generic API entirely. Signed-off-by: Christoph Hellwig Reviewed-by: Johannes Thumshirn --- drivers/scsi/aic94xx/aic94xx_init.c | 9 ++---- drivers/scsi/aic94xx/aic94xx_task.c | 46 ++++++++++++++--------------- 2 files changed, 25 insertions(+), 30 deletions(-) diff --git a/drivers/scsi/aic94xx/aic94xx_init.c b/drivers/scsi/aic94xx/aic94xx_init.c index 1391e5f35918..41c4d8abdd4a 100644 --- a/drivers/scsi/aic94xx/aic94xx_init.c +++ b/drivers/scsi/aic94xx/aic94xx_init.c @@ -771,13 +771,8 @@ static int asd_pci_probe(struct pci_dev *dev, const struct pci_device_id *id) goto Err_remove; err = -ENODEV; - if (!pci_set_dma_mask(dev, DMA_BIT_MASK(64)) - && !pci_set_consistent_dma_mask(dev, DMA_BIT_MASK(64))) - ; - else if (!pci_set_dma_mask(dev, DMA_BIT_MASK(32)) - && !pci_set_consistent_dma_mask(dev, DMA_BIT_MASK(32))) - ; - else { + if (dma_set_mask_and_coherent(&dev->dev, DMA_BIT_MASK(64)) || + dma_set_mask_and_coherent(&dev->dev, DMA_BIT_MASK(32))) { asd_printk("no suitable DMA mask for %s\n", pci_name(dev)); goto Err_remove; } diff --git a/drivers/scsi/aic94xx/aic94xx_task.c b/drivers/scsi/aic94xx/aic94xx_task.c index cdd4ab683be9..7fea344531f6 100644 --- a/drivers/scsi/aic94xx/aic94xx_task.c +++ b/drivers/scsi/aic94xx/aic94xx_task.c @@ -42,13 +42,13 @@ static void asd_can_dequeue(struct asd_ha_struct *asd_ha, int num) spin_unlock_irqrestore(&asd_ha->seq.pend_q_lock, flags); } -/* PCI_DMA_... to our direction translation. +/* DMA_... to our direction translation. */ static const u8 data_dir_flags[] = { - [PCI_DMA_BIDIRECTIONAL] = DATA_DIR_BYRECIPIENT, /* UNSPECIFIED */ - [PCI_DMA_TODEVICE] = DATA_DIR_OUT, /* OUTBOUND */ - [PCI_DMA_FROMDEVICE] = DATA_DIR_IN, /* INBOUND */ - [PCI_DMA_NONE] = DATA_DIR_NONE, /* NO TRANSFER */ + [DMA_BIDIRECTIONAL] = DATA_DIR_BYRECIPIENT, /* UNSPECIFIED */ + [DMA_TO_DEVICE] = DATA_DIR_OUT, /* OUTBOUND */ + [DMA_FROM_DEVICE] = DATA_DIR_IN, /* INBOUND */ + [DMA_NONE] = DATA_DIR_NONE, /* NO TRANSFER */ }; static int asd_map_scatterlist(struct sas_task *task, @@ -60,12 +60,12 @@ static int asd_map_scatterlist(struct sas_task *task, struct scatterlist *sc; int num_sg, res; - if (task->data_dir == PCI_DMA_NONE) + if (task->data_dir == DMA_NONE) return 0; if (task->num_scatter == 0) { void *p = task->scatter; - dma_addr_t dma = pci_map_single(asd_ha->pcidev, p, + dma_addr_t dma = dma_map_single(&asd_ha->pcidev->dev, p, task->total_xfer_len, task->data_dir); sg_arr[0].bus_addr = cpu_to_le64((u64)dma); @@ -79,7 +79,7 @@ static int asd_map_scatterlist(struct sas_task *task, if (sas_protocol_ata(task->task_proto)) num_sg = task->num_scatter; else - num_sg = pci_map_sg(asd_ha->pcidev, task->scatter, + num_sg = dma_map_sg(&asd_ha->pcidev->dev, task->scatter, task->num_scatter, task->data_dir); if (num_sg == 0) return -ENOMEM; @@ -126,8 +126,8 @@ static int asd_map_scatterlist(struct sas_task *task, return 0; err_unmap: if (sas_protocol_ata(task->task_proto)) - pci_unmap_sg(asd_ha->pcidev, task->scatter, task->num_scatter, - task->data_dir); + dma_unmap_sg(&asd_ha->pcidev->dev, task->scatter, + task->num_scatter, task->data_dir); return res; } @@ -136,21 +136,21 @@ static void asd_unmap_scatterlist(struct asd_ascb *ascb) struct asd_ha_struct *asd_ha = ascb->ha; struct sas_task *task = ascb->uldd_task; - if (task->data_dir == PCI_DMA_NONE) + if (task->data_dir == DMA_NONE) return; if (task->num_scatter == 0) { dma_addr_t dma = (dma_addr_t) le64_to_cpu(ascb->scb->ssp_task.sg_element[0].bus_addr); - pci_unmap_single(ascb->ha->pcidev, dma, task->total_xfer_len, - task->data_dir); + dma_unmap_single(&ascb->ha->pcidev->dev, dma, + task->total_xfer_len, task->data_dir); return; } asd_free_coherent(asd_ha, ascb->sg_arr); if (task->task_proto != SAS_PROTOCOL_STP) - pci_unmap_sg(asd_ha->pcidev, task->scatter, task->num_scatter, - task->data_dir); + dma_unmap_sg(&asd_ha->pcidev->dev, task->scatter, + task->num_scatter, task->data_dir); } /* ---------- Task complete tasklet ---------- */ @@ -436,10 +436,10 @@ static int asd_build_smp_ascb(struct asd_ascb *ascb, struct sas_task *task, struct domain_device *dev = task->dev; struct scb *scb; - pci_map_sg(asd_ha->pcidev, &task->smp_task.smp_req, 1, - PCI_DMA_TODEVICE); - pci_map_sg(asd_ha->pcidev, &task->smp_task.smp_resp, 1, - PCI_DMA_FROMDEVICE); + dma_map_sg(&asd_ha->pcidev->dev, &task->smp_task.smp_req, 1, + DMA_TO_DEVICE); + dma_map_sg(&asd_ha->pcidev->dev, &task->smp_task.smp_resp, 1, + DMA_FROM_DEVICE); scb = ascb->scb; @@ -471,10 +471,10 @@ static void asd_unbuild_smp_ascb(struct asd_ascb *a) struct sas_task *task = a->uldd_task; BUG_ON(!task); - pci_unmap_sg(a->ha->pcidev, &task->smp_task.smp_req, 1, - PCI_DMA_TODEVICE); - pci_unmap_sg(a->ha->pcidev, &task->smp_task.smp_resp, 1, - PCI_DMA_FROMDEVICE); + dma_unmap_sg(&a->ha->pcidev->dev, &task->smp_task.smp_req, 1, + DMA_TO_DEVICE); + dma_unmap_sg(&a->ha->pcidev->dev, &task->smp_task.smp_resp, 1, + DMA_FROM_DEVICE); } /* ---------- SSP ---------- */