From 123e9f1afe7b86f7c719d1289434c5c040758334 Mon Sep 17 00:00:00 2001 From: Nick Nunley Date: Tue, 27 Apr 2010 13:09:44 +0000 Subject: [PATCH] igbvf: 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/igbvf/netdev.c | 74 +++++++++++++++++++------------------- 1 file changed, 38 insertions(+), 36 deletions(-) diff --git a/drivers/net/igbvf/netdev.c b/drivers/net/igbvf/netdev.c index 9ac3f9428195..7012e3da3bdf 100644 --- a/drivers/net/igbvf/netdev.c +++ b/drivers/net/igbvf/netdev.c @@ -164,10 +164,10 @@ static void igbvf_alloc_rx_buffers(struct igbvf_ring *rx_ring, buffer_info->page_offset ^= PAGE_SIZE / 2; } buffer_info->page_dma = - pci_map_page(pdev, buffer_info->page, + dma_map_page(&pdev->dev, buffer_info->page, buffer_info->page_offset, PAGE_SIZE / 2, - PCI_DMA_FROMDEVICE); + DMA_FROM_DEVICE); } if (!buffer_info->skb) { @@ -178,9 +178,9 @@ static void igbvf_alloc_rx_buffers(struct igbvf_ring *rx_ring, } buffer_info->skb = skb; - buffer_info->dma = pci_map_single(pdev, skb->data, + buffer_info->dma = dma_map_single(&pdev->dev, skb->data, bufsz, - PCI_DMA_FROMDEVICE); + DMA_FROM_DEVICE); } /* Refresh the desc even if buffer_addrs didn't change because * each write-back erases this info. */ @@ -268,25 +268,25 @@ static bool igbvf_clean_rx_irq(struct igbvf_adapter *adapter, prefetch(skb->data - NET_IP_ALIGN); buffer_info->skb = NULL; if (!adapter->rx_ps_hdr_size) { - pci_unmap_single(pdev, buffer_info->dma, + dma_unmap_single(&pdev->dev, buffer_info->dma, adapter->rx_buffer_len, - PCI_DMA_FROMDEVICE); + DMA_FROM_DEVICE); buffer_info->dma = 0; skb_put(skb, length); goto send_up; } if (!skb_shinfo(skb)->nr_frags) { - pci_unmap_single(pdev, buffer_info->dma, + dma_unmap_single(&pdev->dev, buffer_info->dma, adapter->rx_ps_hdr_size, - PCI_DMA_FROMDEVICE); + DMA_FROM_DEVICE); skb_put(skb, hlen); } if (length) { - pci_unmap_page(pdev, buffer_info->page_dma, + dma_unmap_page(&pdev->dev, buffer_info->page_dma, PAGE_SIZE / 2, - PCI_DMA_FROMDEVICE); + DMA_FROM_DEVICE); buffer_info->page_dma = 0; skb_fill_page_desc(skb, skb_shinfo(skb)->nr_frags, @@ -369,15 +369,15 @@ static void igbvf_put_txbuf(struct igbvf_adapter *adapter, { if (buffer_info->dma) { if (buffer_info->mapped_as_page) - pci_unmap_page(adapter->pdev, + dma_unmap_page(&adapter->pdev->dev, buffer_info->dma, buffer_info->length, - PCI_DMA_TODEVICE); + DMA_TO_DEVICE); else - pci_unmap_single(adapter->pdev, + dma_unmap_single(&adapter->pdev->dev, buffer_info->dma, buffer_info->length, - PCI_DMA_TODEVICE); + DMA_TO_DEVICE); buffer_info->dma = 0; } if (buffer_info->skb) { @@ -438,8 +438,8 @@ int igbvf_setup_tx_resources(struct igbvf_adapter *adapter, tx_ring->size = tx_ring->count * sizeof(union e1000_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; @@ -480,8 +480,8 @@ int igbvf_setup_rx_resources(struct igbvf_adapter *adapter, rx_ring->size = rx_ring->count * desc_len; 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) goto err; @@ -549,7 +549,8 @@ void igbvf_free_tx_resources(struct igbvf_ring *tx_ring) vfree(tx_ring->buffer_info); tx_ring->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; } @@ -574,13 +575,13 @@ static void igbvf_clean_rx_ring(struct igbvf_ring *rx_ring) buffer_info = &rx_ring->buffer_info[i]; if (buffer_info->dma) { if (adapter->rx_ps_hdr_size){ - pci_unmap_single(pdev, buffer_info->dma, + dma_unmap_single(&pdev->dev, buffer_info->dma, adapter->rx_ps_hdr_size, - PCI_DMA_FROMDEVICE); + DMA_FROM_DEVICE); } else { - pci_unmap_single(pdev, buffer_info->dma, + dma_unmap_single(&pdev->dev, buffer_info->dma, adapter->rx_buffer_len, - PCI_DMA_FROMDEVICE); + DMA_FROM_DEVICE); } buffer_info->dma = 0; } @@ -592,9 +593,10 @@ static void igbvf_clean_rx_ring(struct igbvf_ring *rx_ring) if (buffer_info->page) { if (buffer_info->page_dma) - pci_unmap_page(pdev, buffer_info->page_dma, + dma_unmap_page(&pdev->dev, + buffer_info->page_dma, PAGE_SIZE / 2, - PCI_DMA_FROMDEVICE); + DMA_FROM_DEVICE); put_page(buffer_info->page); buffer_info->page = NULL; buffer_info->page_dma = 0; @@ -2104,9 +2106,9 @@ static inline int igbvf_tx_map_adv(struct igbvf_adapter *adapter, buffer_info->time_stamp = jiffies; buffer_info->next_to_watch = i; buffer_info->mapped_as_page = false; - buffer_info->dma = pci_map_single(pdev, skb->data, len, - PCI_DMA_TODEVICE); - if (pci_dma_mapping_error(pdev, buffer_info->dma)) + buffer_info->dma = dma_map_single(&pdev->dev, skb->data, len, + DMA_TO_DEVICE); + if (dma_mapping_error(&pdev->dev, buffer_info->dma)) goto dma_error; @@ -2127,12 +2129,12 @@ static inline int igbvf_tx_map_adv(struct igbvf_adapter *adapter, buffer_info->time_stamp = jiffies; buffer_info->next_to_watch = i; buffer_info->mapped_as_page = true; - buffer_info->dma = pci_map_page(pdev, + buffer_info->dma = dma_map_page(&pdev->dev, frag->page, frag->page_offset, len, - PCI_DMA_TODEVICE); - if (pci_dma_mapping_error(pdev, buffer_info->dma)) + DMA_TO_DEVICE); + if (dma_mapping_error(&pdev->dev, buffer_info->dma)) goto dma_error; } @@ -2644,16 +2646,16 @@ static int __devinit igbvf_probe(struct pci_dev *pdev, return err; pci_using_dac = 0; - err = pci_set_dma_mask(pdev, DMA_BIT_MASK(64)); + err = dma_set_mask(&pdev->dev, DMA_BIT_MASK(64)); if (!err) { - err = pci_set_consistent_dma_mask(pdev, DMA_BIT_MASK(64)); + err = dma_set_coherent_mask(&pdev->dev, DMA_BIT_MASK(64)); if (!err) 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"); -- 2.30.2