From 7f9b0f774fdf26a5d76363d889ba587e242a497b Mon Sep 17 00:00:00 2001 From: Christoph Hellwig Date: Wed, 10 Oct 2018 18:40:56 +0200 Subject: scsi: fnic: switch to generic DMA API Switch from the legacy PCI DMA API to the generic DMA API. Signed-off-by: Christoph Hellwig Reviewed-by: Johannes Thumshirn Signed-off-by: Martin K. Petersen --- drivers/scsi/fnic/fnic_fcs.c | 41 ++++++++++++++++++----------------------- 1 file changed, 18 insertions(+), 23 deletions(-) (limited to 'drivers/scsi/fnic/fnic_fcs.c') diff --git a/drivers/scsi/fnic/fnic_fcs.c b/drivers/scsi/fnic/fnic_fcs.c index c7bf316d8e83..844ef688fa91 100644 --- a/drivers/scsi/fnic/fnic_fcs.c +++ b/drivers/scsi/fnic/fnic_fcs.c @@ -836,8 +836,8 @@ static void fnic_rq_cmpl_frame_recv(struct vnic_rq *rq, struct cq_desc u32 fcp_bytes_written = 0; unsigned long flags; - pci_unmap_single(fnic->pdev, buf->dma_addr, buf->len, - PCI_DMA_FROMDEVICE); + dma_unmap_single(&fnic->pdev->dev, buf->dma_addr, buf->len, + DMA_FROM_DEVICE); skb = buf->os_buf; fp = (struct fc_frame *)skb; buf->os_buf = NULL; @@ -977,9 +977,8 @@ int fnic_alloc_rq_frame(struct vnic_rq *rq) skb_reset_transport_header(skb); skb_reset_network_header(skb); skb_put(skb, len); - pa = pci_map_single(fnic->pdev, skb->data, len, PCI_DMA_FROMDEVICE); - - if (pci_dma_mapping_error(fnic->pdev, pa)) { + pa = dma_map_single(&fnic->pdev->dev, skb->data, len, DMA_FROM_DEVICE); + if (dma_mapping_error(&fnic->pdev->dev, pa)) { r = -ENOMEM; printk(KERN_ERR "PCI mapping failed with error %d\n", r); goto free_skb; @@ -998,8 +997,8 @@ void fnic_free_rq_buf(struct vnic_rq *rq, struct vnic_rq_buf *buf) struct fc_frame *fp = buf->os_buf; struct fnic *fnic = vnic_dev_priv(rq->vdev); - pci_unmap_single(fnic->pdev, buf->dma_addr, buf->len, - PCI_DMA_FROMDEVICE); + dma_unmap_single(&fnic->pdev->dev, buf->dma_addr, buf->len, + DMA_FROM_DEVICE); dev_kfree_skb(fp_skb(fp)); buf->os_buf = NULL; @@ -1018,7 +1017,6 @@ void fnic_eth_send(struct fcoe_ctlr *fip, struct sk_buff *skb) struct ethhdr *eth_hdr; struct vlan_ethhdr *vlan_hdr; unsigned long flags; - int r; if (!fnic->vlan_hw_insert) { eth_hdr = (struct ethhdr *)skb_mac_header(skb); @@ -1038,11 +1036,10 @@ void fnic_eth_send(struct fcoe_ctlr *fip, struct sk_buff *skb) } } - pa = pci_map_single(fnic->pdev, skb->data, skb->len, PCI_DMA_TODEVICE); - - r = pci_dma_mapping_error(fnic->pdev, pa); - if (r) { - printk(KERN_ERR "PCI mapping failed with error %d\n", r); + pa = dma_map_single(&fnic->pdev->dev, skb->data, skb->len, + DMA_TO_DEVICE); + if (dma_mapping_error(&fnic->pdev->dev, pa)) { + printk(KERN_ERR "DMA mapping failed\n"); goto free_skb; } @@ -1058,7 +1055,7 @@ void fnic_eth_send(struct fcoe_ctlr *fip, struct sk_buff *skb) irq_restore: spin_unlock_irqrestore(&fnic->wq_lock[0], flags); - pci_unmap_single(fnic->pdev, pa, skb->len, PCI_DMA_TODEVICE); + dma_unmap_single(&fnic->pdev->dev, pa, skb->len, DMA_TO_DEVICE); free_skb: kfree_skb(skb); } @@ -1115,9 +1112,8 @@ static int fnic_send_frame(struct fnic *fnic, struct fc_frame *fp) if (FC_FCOE_VER) FC_FCOE_ENCAPS_VER(fcoe_hdr, FC_FCOE_VER); - pa = pci_map_single(fnic->pdev, eth_hdr, tot_len, PCI_DMA_TODEVICE); - - if (pci_dma_mapping_error(fnic->pdev, pa)) { + pa = dma_map_single(&fnic->pdev->dev, eth_hdr, tot_len, DMA_TO_DEVICE); + if (dma_mapping_error(&fnic->pdev->dev, pa)) { ret = -ENOMEM; printk(KERN_ERR "DMA map failed with error %d\n", ret); goto free_skb_on_err; @@ -1131,8 +1127,7 @@ static int fnic_send_frame(struct fnic *fnic, struct fc_frame *fp) spin_lock_irqsave(&fnic->wq_lock[0], flags); if (!vnic_wq_desc_avail(wq)) { - pci_unmap_single(fnic->pdev, pa, - tot_len, PCI_DMA_TODEVICE); + dma_unmap_single(&fnic->pdev->dev, pa, tot_len, DMA_TO_DEVICE); ret = -1; goto irq_restore; } @@ -1247,8 +1242,8 @@ static void fnic_wq_complete_frame_send(struct vnic_wq *wq, struct fc_frame *fp = (struct fc_frame *)skb; struct fnic *fnic = vnic_dev_priv(wq->vdev); - pci_unmap_single(fnic->pdev, buf->dma_addr, - buf->len, PCI_DMA_TODEVICE); + dma_unmap_single(&fnic->pdev->dev, buf->dma_addr, buf->len, + DMA_TO_DEVICE); dev_kfree_skb_irq(fp_skb(fp)); buf->os_buf = NULL; } @@ -1290,8 +1285,8 @@ void fnic_free_wq_buf(struct vnic_wq *wq, struct vnic_wq_buf *buf) struct fc_frame *fp = buf->os_buf; struct fnic *fnic = vnic_dev_priv(wq->vdev); - pci_unmap_single(fnic->pdev, buf->dma_addr, - buf->len, PCI_DMA_TODEVICE); + dma_unmap_single(&fnic->pdev->dev, buf->dma_addr, buf->len, + DMA_TO_DEVICE); dev_kfree_skb(fp_skb(fp)); buf->os_buf = NULL; -- cgit v1.2.3