ixgbevf: 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, 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");