From patchwork Sun Oct 14 15:59:52 2018 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Christoph Hellwig X-Patchwork-Id: 10640717 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 DC831933 for ; Sun, 14 Oct 2018 16:00:56 +0000 (UTC) Received: from mail.wl.linuxfoundation.org (localhost [127.0.0.1]) by mail.wl.linuxfoundation.org (Postfix) with ESMTP id D9C0529E19 for ; Sun, 14 Oct 2018 16:00:56 +0000 (UTC) Received: by mail.wl.linuxfoundation.org (Postfix, from userid 486) id CE63F29E29; Sun, 14 Oct 2018 16:00:56 +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 038F829E19 for ; Sun, 14 Oct 2018 16:00:56 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1727608AbeJNXmW (ORCPT ); Sun, 14 Oct 2018 19:42:22 -0400 Received: from bombadil.infradead.org ([198.137.202.133]:46972 "EHLO bombadil.infradead.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1727351AbeJNXmV (ORCPT ); Sun, 14 Oct 2018 19:42:21 -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=7Kp70GRb6ZH2fXLqfo7TRlQhsULW7i/r0XLpRPRaex4=; b=rg6dP9flKEiGpxKFMXvjLKPP/ Vr/dQVX7HlrLYsmCTDjWZJsXs6ZxxVVpxvEhG06kDCEUBIYdmWYaKDCeUanTfR1WDWfaBAKoxGfh6 F6q35SY3M/Y1L4cakMcSdxMzhiZzR+ZCnaQD252z+L5EcZMazKySWTAbJmLfcF2PA9IPpdaBzra4T H7F9IH9pQTwstEcE6RB/Sv/IXAy52F0EFmMe0KDZP9DZgxekL0GExCS4hI4WZrTJ0yx2n04U1RXZ6 K/WTAQLxcdn48c7ptN6YaEKaH9gV4r74L6eXD0lo/EbPZ4UK2sftt2Zs4XpA5BTDZGXbbxjP2Q9KM DR5/O6DgQ==; 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 1gBip3-00031M-BW for linux-scsi@vger.kernel.org; Sun, 14 Oct 2018 16:00:53 +0000 From: Christoph Hellwig To: linux-scsi@vger.kernel.org Subject: [PATCH 18/28] pm8001: switch to generic DMA API Date: Sun, 14 Oct 2018 17:59:52 +0200 Message-Id: <20181014160002.8383-19-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 Switch from the legacy PCI DMA API to the generic DMA API. Signed-off-by: Christoph Hellwig Reviewed-by: Johannes Thumshirn Reviewed-by: Jack Wang --- drivers/scsi/pm8001/pm8001_hwi.c | 22 +++++++++++----------- drivers/scsi/pm8001/pm8001_init.c | 28 +++++----------------------- drivers/scsi/pm8001/pm8001_sas.c | 8 ++++---- drivers/scsi/pm8001/pm80xx_hwi.c | 22 +++++++++++----------- 4 files changed, 31 insertions(+), 49 deletions(-) diff --git a/drivers/scsi/pm8001/pm8001_hwi.c b/drivers/scsi/pm8001/pm8001_hwi.c index e37ab9789ba6..d0bb357034d8 100644 --- a/drivers/scsi/pm8001/pm8001_hwi.c +++ b/drivers/scsi/pm8001/pm8001_hwi.c @@ -2420,7 +2420,7 @@ mpi_sata_completion(struct pm8001_hba_info *pm8001_ha, void *piomb) sata_resp = &psataPayload->sata_resp[0]; resp = (struct ata_task_resp *)ts->buf; if (t->ata_task.dma_xfer == 0 && - t->data_dir == PCI_DMA_FROMDEVICE) { + t->data_dir == DMA_FROM_DEVICE) { len = sizeof(struct pio_setup_fis); PM8001_IO_DBG(pm8001_ha, pm8001_printk("PIO read len = %d\n", len)); @@ -4203,12 +4203,12 @@ static int process_oq(struct pm8001_hba_info *pm8001_ha, u8 vec) return ret; } -/* 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 */ }; void pm8001_chip_make_sg(struct scatterlist *scatter, int nr, void *prd) @@ -4255,13 +4255,13 @@ static int pm8001_chip_smp_req(struct pm8001_hba_info *pm8001_ha, * DMA-map SMP request, response buffers */ sg_req = &task->smp_task.smp_req; - elem = dma_map_sg(pm8001_ha->dev, sg_req, 1, PCI_DMA_TODEVICE); + elem = dma_map_sg(pm8001_ha->dev, sg_req, 1, DMA_TO_DEVICE); if (!elem) return -ENOMEM; req_len = sg_dma_len(sg_req); sg_resp = &task->smp_task.smp_resp; - elem = dma_map_sg(pm8001_ha->dev, sg_resp, 1, PCI_DMA_FROMDEVICE); + elem = dma_map_sg(pm8001_ha->dev, sg_resp, 1, DMA_FROM_DEVICE); if (!elem) { rc = -ENOMEM; goto err_out; @@ -4294,10 +4294,10 @@ static int pm8001_chip_smp_req(struct pm8001_hba_info *pm8001_ha, err_out_2: dma_unmap_sg(pm8001_ha->dev, &ccb->task->smp_task.smp_resp, 1, - PCI_DMA_FROMDEVICE); + DMA_FROM_DEVICE); err_out: dma_unmap_sg(pm8001_ha->dev, &ccb->task->smp_task.smp_req, 1, - PCI_DMA_TODEVICE); + DMA_TO_DEVICE); return rc; } @@ -4376,7 +4376,7 @@ static int pm8001_chip_sata_req(struct pm8001_hba_info *pm8001_ha, u32 opc = OPC_INB_SATA_HOST_OPSTART; memset(&sata_cmd, 0, sizeof(sata_cmd)); circularQ = &pm8001_ha->inbnd_q_tbl[0]; - if (task->data_dir == PCI_DMA_NONE) { + if (task->data_dir == DMA_NONE) { ATAP = 0x04; /* no data*/ PM8001_IO_DBG(pm8001_ha, pm8001_printk("no data\n")); } else if (likely(!task->ata_task.device_control_reg_update)) { diff --git a/drivers/scsi/pm8001/pm8001_init.c b/drivers/scsi/pm8001/pm8001_init.c index 501830caba21..d71e7e4ec29c 100644 --- a/drivers/scsi/pm8001/pm8001_init.c +++ b/drivers/scsi/pm8001/pm8001_init.c @@ -152,7 +152,7 @@ static void pm8001_free(struct pm8001_hba_info *pm8001_ha) for (i = 0; i < USI_MAX_MEMCNT; i++) { if (pm8001_ha->memoryMap.region[i].virt_ptr != NULL) { - pci_free_consistent(pm8001_ha->pdev, + dma_free_coherent(&pm8001_ha->pdev->dev, (pm8001_ha->memoryMap.region[i].total_len + pm8001_ha->memoryMap.region[i].alignment), pm8001_ha->memoryMap.region[i].virt_ptr, @@ -501,30 +501,12 @@ static int pci_go_44(struct pci_dev *pdev) { int rc; - if (!pci_set_dma_mask(pdev, DMA_BIT_MASK(44))) { - rc = pci_set_consistent_dma_mask(pdev, DMA_BIT_MASK(44)); - if (rc) { - rc = pci_set_consistent_dma_mask(pdev, - DMA_BIT_MASK(32)); - if (rc) { - dev_printk(KERN_ERR, &pdev->dev, - "44-bit DMA enable failed\n"); - return rc; - } - } - } else { - rc = pci_set_dma_mask(pdev, DMA_BIT_MASK(32)); - if (rc) { + rc = dma_set_mask_and_coherent(&pdev->dev, DMA_BIT_MASK(44)); + if (rc) { + rc = dma_set_mask_and_coherent(&pdev->dev, DMA_BIT_MASK(32)); + if (rc) dev_printk(KERN_ERR, &pdev->dev, "32-bit DMA enable failed\n"); - return rc; - } - rc = pci_set_consistent_dma_mask(pdev, DMA_BIT_MASK(32)); - if (rc) { - dev_printk(KERN_ERR, &pdev->dev, - "32-bit consistent DMA enable failed\n"); - return rc; - } } return rc; } diff --git a/drivers/scsi/pm8001/pm8001_sas.c b/drivers/scsi/pm8001/pm8001_sas.c index 84092e4e1aa9..b3be49d41375 100644 --- a/drivers/scsi/pm8001/pm8001_sas.c +++ b/drivers/scsi/pm8001/pm8001_sas.c @@ -116,8 +116,8 @@ int pm8001_mem_alloc(struct pci_dev *pdev, void **virt_addr, u64 align_offset = 0; if (align) align_offset = (dma_addr_t)align - 1; - mem_virt_alloc = pci_zalloc_consistent(pdev, mem_size + align, - &mem_dma_handle); + mem_virt_alloc = dma_zalloc_coherent(&pdev->dev, mem_size + align, + &mem_dma_handle, GFP_KERNEL); if (!mem_virt_alloc) { pm8001_printk("memory allocation error\n"); return -1; @@ -533,9 +533,9 @@ void pm8001_ccb_task_free(struct pm8001_hba_info *pm8001_ha, switch (task->task_proto) { case SAS_PROTOCOL_SMP: dma_unmap_sg(pm8001_ha->dev, &task->smp_task.smp_resp, 1, - PCI_DMA_FROMDEVICE); + DMA_FROM_DEVICE); dma_unmap_sg(pm8001_ha->dev, &task->smp_task.smp_req, 1, - PCI_DMA_TODEVICE); + DMA_TO_DEVICE); break; case SAS_PROTOCOL_SATA: diff --git a/drivers/scsi/pm8001/pm80xx_hwi.c b/drivers/scsi/pm8001/pm80xx_hwi.c index 9864a3c7547b..63e4f7d34d6c 100644 --- a/drivers/scsi/pm8001/pm80xx_hwi.c +++ b/drivers/scsi/pm8001/pm80xx_hwi.c @@ -2133,7 +2133,7 @@ mpi_sata_completion(struct pm8001_hba_info *pm8001_ha, void *piomb) sata_resp = &psataPayload->sata_resp[0]; resp = (struct ata_task_resp *)ts->buf; if (t->ata_task.dma_xfer == 0 && - t->data_dir == PCI_DMA_FROMDEVICE) { + t->data_dir == DMA_FROM_DEVICE) { len = sizeof(struct pio_setup_fis); PM8001_IO_DBG(pm8001_ha, pm8001_printk("PIO read len = %d\n", len)); @@ -3855,12 +3855,12 @@ static int process_oq(struct pm8001_hba_info *pm8001_ha, u8 vec) return ret; } -/* 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 void build_smp_cmd(u32 deviceID, __le32 hTag, @@ -3902,13 +3902,13 @@ static int pm80xx_chip_smp_req(struct pm8001_hba_info *pm8001_ha, * DMA-map SMP request, response buffers */ sg_req = &task->smp_task.smp_req; - elem = dma_map_sg(pm8001_ha->dev, sg_req, 1, PCI_DMA_TODEVICE); + elem = dma_map_sg(pm8001_ha->dev, sg_req, 1, DMA_TO_DEVICE); if (!elem) return -ENOMEM; req_len = sg_dma_len(sg_req); sg_resp = &task->smp_task.smp_resp; - elem = dma_map_sg(pm8001_ha->dev, sg_resp, 1, PCI_DMA_FROMDEVICE); + elem = dma_map_sg(pm8001_ha->dev, sg_resp, 1, DMA_FROM_DEVICE); if (!elem) { rc = -ENOMEM; goto err_out; @@ -3999,10 +3999,10 @@ static int pm80xx_chip_smp_req(struct pm8001_hba_info *pm8001_ha, err_out_2: dma_unmap_sg(pm8001_ha->dev, &ccb->task->smp_task.smp_resp, 1, - PCI_DMA_FROMDEVICE); + DMA_FROM_DEVICE); err_out: dma_unmap_sg(pm8001_ha->dev, &ccb->task->smp_task.smp_req, 1, - PCI_DMA_TODEVICE); + DMA_TO_DEVICE); return rc; } @@ -4226,7 +4226,7 @@ static int pm80xx_chip_sata_req(struct pm8001_hba_info *pm8001_ha, q_index = (u32) (pm8001_ha_dev->id & 0x00ffffff) % PM8001_MAX_INB_NUM; circularQ = &pm8001_ha->inbnd_q_tbl[q_index]; - if (task->data_dir == PCI_DMA_NONE) { + if (task->data_dir == DMA_NONE) { ATAP = 0x04; /* no data*/ PM8001_IO_DBG(pm8001_ha, pm8001_printk("no data\n")); } else if (likely(!task->ata_task.device_control_reg_update)) {