From 2a1f8794161d9d5d46881160279df62767197526 Mon Sep 17 00:00:00 2001 From: Nick Nunley Date: Tue, 27 Apr 2010 13:10:50 +0000 Subject: [PATCH] ixgbevf: use DMA API instead of PCI DMA functions Signed-off-by: Nicholas Nunley Signed-off-by: Jeff Kirsher Signed-off-by: David S. Miller --- drivers/net/ixgbevf/ixgbevf_main.c | 68 +++++++++++++++--------------- 1 file changed, 35 insertions(+), 33 deletions(-) diff --git a/drivers/net/ixgbevf/ixgbevf_main.c b/drivers/net/ixgbevf/ixgbevf_main.c index f484161418b6..08707402eb18 100644 --- a/drivers/net/ixgbevf/ixgbevf_main.c +++ b/drivers/net/ixgbevf/ixgbevf_main.c @@ -139,15 +139,15 @@ static void ixgbevf_unmap_and_free_tx_resource(struct ixgbevf_adapter *adapter, { if (tx_buffer_info->dma) { if (tx_buffer_info->mapped_as_page) - pci_unmap_page(adapter->pdev, + dma_unmap_page(&adapter->pdev->dev, tx_buffer_info->dma, tx_buffer_info->length, - PCI_DMA_TODEVICE); + DMA_TO_DEVICE); else - pci_unmap_single(adapter->pdev, + dma_unmap_single(&adapter->pdev->dev, tx_buffer_info->dma, tx_buffer_info->length, - PCI_DMA_TODEVICE); + DMA_TO_DEVICE); tx_buffer_info->dma = 0; } if (tx_buffer_info->skb) { @@ -416,10 +416,10 @@ static void ixgbevf_alloc_rx_buffers(struct ixgbevf_adapter *adapter, bi->page_offset ^= (PAGE_SIZE / 2); } - bi->page_dma = pci_map_page(pdev, bi->page, + bi->page_dma = dma_map_page(&pdev->dev, bi->page, bi->page_offset, (PAGE_SIZE / 2), - PCI_DMA_FROMDEVICE); + DMA_FROM_DEVICE); } skb = bi->skb; @@ -442,9 +442,9 @@ static void ixgbevf_alloc_rx_buffers(struct ixgbevf_adapter *adapter, bi->skb = skb; } if (!bi->dma) { - bi->dma = pci_map_single(pdev, skb->data, + bi->dma = dma_map_single(&pdev->dev, skb->data, rx_ring->rx_buf_len, - PCI_DMA_FROMDEVICE); + DMA_FROM_DEVICE); } /* Refresh the desc even if buffer_addrs didn't change because * each write-back erases this info. */ @@ -536,16 +536,16 @@ static bool ixgbevf_clean_rx_irq(struct ixgbevf_q_vector *q_vector, rx_buffer_info->skb = NULL; if (rx_buffer_info->dma) { - pci_unmap_single(pdev, rx_buffer_info->dma, + dma_unmap_single(&pdev->dev, rx_buffer_info->dma, rx_ring->rx_buf_len, - PCI_DMA_FROMDEVICE); + DMA_FROM_DEVICE); rx_buffer_info->dma = 0; skb_put(skb, len); } if (upper_len) { - pci_unmap_page(pdev, rx_buffer_info->page_dma, - PAGE_SIZE / 2, PCI_DMA_FROMDEVICE); + dma_unmap_page(&pdev->dev, rx_buffer_info->page_dma, + PAGE_SIZE / 2, DMA_FROM_DEVICE); rx_buffer_info->page_dma = 0; skb_fill_page_desc(skb, skb_shinfo(skb)->nr_frags, rx_buffer_info->page, @@ -1721,9 +1721,9 @@ static void ixgbevf_clean_rx_ring(struct ixgbevf_adapter *adapter, rx_buffer_info = &rx_ring->rx_buffer_info[i]; if (rx_buffer_info->dma) { - pci_unmap_single(pdev, rx_buffer_info->dma, + dma_unmap_single(&pdev->dev, rx_buffer_info->dma, rx_ring->rx_buf_len, - PCI_DMA_FROMDEVICE); + DMA_FROM_DEVICE); rx_buffer_info->dma = 0; } if (rx_buffer_info->skb) { @@ -1737,8 +1737,8 @@ static void ixgbevf_clean_rx_ring(struct ixgbevf_adapter *adapter, } if (!rx_buffer_info->page) continue; - pci_unmap_page(pdev, rx_buffer_info->page_dma, PAGE_SIZE / 2, - PCI_DMA_FROMDEVICE); + dma_unmap_page(&pdev->dev, rx_buffer_info->page_dma, + PAGE_SIZE / 2, DMA_FROM_DEVICE); rx_buffer_info->page_dma = 0; put_page(rx_buffer_info->page); rx_buffer_info->page = NULL; @@ -2445,7 +2445,8 @@ void ixgbevf_free_tx_resources(struct ixgbevf_adapter *adapter, vfree(tx_ring->tx_buffer_info); tx_ring->tx_buffer_info = NULL; - pci_free_consistent(pdev, tx_ring->size, tx_ring->desc, tx_ring->dma); + dma_free_coherent(&pdev->dev, tx_ring->size, tx_ring->desc, + tx_ring->dma); tx_ring->desc = NULL; } @@ -2490,8 +2491,8 @@ int ixgbevf_setup_tx_resources(struct ixgbevf_adapter *adapter, tx_ring->size = tx_ring->count * sizeof(union ixgbe_adv_tx_desc); tx_ring->size = ALIGN(tx_ring->size, 4096); - tx_ring->desc = pci_alloc_consistent(pdev, tx_ring->size, - &tx_ring->dma); + tx_ring->desc = dma_alloc_coherent(&pdev->dev, tx_ring->size, + &tx_ring->dma, GFP_KERNEL); if (!tx_ring->desc) goto err; @@ -2561,8 +2562,8 @@ int ixgbevf_setup_rx_resources(struct ixgbevf_adapter *adapter, rx_ring->size = rx_ring->count * sizeof(union ixgbe_adv_rx_desc); rx_ring->size = ALIGN(rx_ring->size, 4096); - rx_ring->desc = pci_alloc_consistent(pdev, rx_ring->size, - &rx_ring->dma); + rx_ring->desc = dma_alloc_coherent(&pdev->dev, rx_ring->size, + &rx_ring->dma, GFP_KERNEL); if (!rx_ring->desc) { hw_dbg(&adapter->hw, @@ -2623,7 +2624,8 @@ void ixgbevf_free_rx_resources(struct ixgbevf_adapter *adapter, vfree(rx_ring->rx_buffer_info); rx_ring->rx_buffer_info = NULL; - pci_free_consistent(pdev, rx_ring->size, rx_ring->desc, rx_ring->dma); + dma_free_coherent(&pdev->dev, rx_ring->size, rx_ring->desc, + rx_ring->dma); rx_ring->desc = NULL; } @@ -2935,10 +2937,10 @@ static int ixgbevf_tx_map(struct ixgbevf_adapter *adapter, tx_buffer_info->length = size; tx_buffer_info->mapped_as_page = false; - tx_buffer_info->dma = pci_map_single(adapter->pdev, + tx_buffer_info->dma = dma_map_single(&adapter->pdev->dev, skb->data + offset, - size, PCI_DMA_TODEVICE); - if (pci_dma_mapping_error(pdev, tx_buffer_info->dma)) + size, DMA_TO_DEVICE); + if (dma_mapping_error(&pdev->dev, tx_buffer_info->dma)) goto dma_error; tx_buffer_info->time_stamp = jiffies; tx_buffer_info->next_to_watch = i; @@ -2964,13 +2966,13 @@ static int ixgbevf_tx_map(struct ixgbevf_adapter *adapter, size = min(len, (unsigned int)IXGBE_MAX_DATA_PER_TXD); tx_buffer_info->length = size; - tx_buffer_info->dma = pci_map_page(adapter->pdev, + tx_buffer_info->dma = dma_map_page(&adapter->pdev->dev, frag->page, offset, size, - PCI_DMA_TODEVICE); + DMA_TO_DEVICE); tx_buffer_info->mapped_as_page = true; - if (pci_dma_mapping_error(pdev, tx_buffer_info->dma)) + if (dma_mapping_error(&pdev->dev, tx_buffer_info->dma)) goto dma_error; tx_buffer_info->time_stamp = jiffies; tx_buffer_info->next_to_watch = i; @@ -3311,14 +3313,14 @@ static int __devinit ixgbevf_probe(struct pci_dev *pdev, if (err) return err; - if (!pci_set_dma_mask(pdev, DMA_BIT_MASK(64)) && - !pci_set_consistent_dma_mask(pdev, DMA_BIT_MASK(64))) { + if (!dma_set_mask(&pdev->dev, DMA_BIT_MASK(64)) && + !dma_set_coherent_mask(&pdev->dev, DMA_BIT_MASK(64))) { pci_using_dac = 1; } else { - err = pci_set_dma_mask(pdev, DMA_BIT_MASK(32)); + err = dma_set_mask(&pdev->dev, DMA_BIT_MASK(32)); if (err) { - err = pci_set_consistent_dma_mask(pdev, - DMA_BIT_MASK(32)); + err = dma_set_coherent_mask(&pdev->dev, + DMA_BIT_MASK(32)); if (err) { dev_err(&pdev->dev, "No usable DMA " "configuration, aborting\n"); -- 2.20.1