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Commit 123e9f1a authored by Nick Nunley's avatar Nick Nunley Committed by David S. Miller
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igbvf: use DMA API instead of PCI DMA functions 

Signed-off-by: default avatarNicholas Nunley <nicholasx.d.nunley@intel.com>
Signed-off-by: default avatarJeff Kirsher <jeffrey.t.kirsher@intel.com>
Signed-off-by: default avatarDavid S. Miller <davem@davemloft.net>
parent 59d71989
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Inline Side-by-side
Showing with 38 additions and 36 deletions
drivers/net/igbvf/netdev.c
View file @ 123e9f1a
......@@ -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");
......
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