igbvf: use DMA API instead of PCI DMA functions

Signed-off-by: Nicholas Nunley <nicholasx.d.nunley@intel.com>
Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
Signed-off-by: David S. Miller <davem@davemloft.net>

1 files changed, 38 insertions, 36 deletions

diff --git a/drivers/net/igbvf/netdev.c b/drivers/net/igbvf/netdev.c
index 9ac3f942819..7012e3da3bd 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");