myri10ge: use the DMA state API instead of the pci equivalents
authorFUJITA Tomonori <fujita.tomonori@lab.ntt.co.jp>
Mon, 12 Apr 2010 14:32:10 +0000 (14:32 +0000)
committerDavid S. Miller <davem@davemloft.net>
Tue, 13 Apr 2010 09:54:19 +0000 (02:54 -0700)
This replace the PCI DMA state API (include/linux/pci-dma.h) with the
DMA equivalents since the PCI DMA state API will be obsolete.

No functional change.

For further information about the background:

http://marc.info/?l=linux-netdev&m=127037540020276&w=2

Signed-off-by: FUJITA Tomonori <fujita.tomonori@lab.ntt.co.jp>
Cc: Andrew Gallatin <gallatin@myri.com>
Cc: Brice Goglin <brice@myri.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
drivers/net/myri10ge/myri10ge.c

index 72b4b19..958dc28 100644 (file)
@@ -110,15 +110,15 @@ MODULE_LICENSE("Dual BSD/GPL");
 struct myri10ge_rx_buffer_state {
        struct page *page;
        int page_offset;
-        DECLARE_PCI_UNMAP_ADDR(bus)
-        DECLARE_PCI_UNMAP_LEN(len)
+       DEFINE_DMA_UNMAP_ADDR(bus);
+       DEFINE_DMA_UNMAP_LEN(len);
 };
 
 struct myri10ge_tx_buffer_state {
        struct sk_buff *skb;
        int last;
-        DECLARE_PCI_UNMAP_ADDR(bus)
-        DECLARE_PCI_UNMAP_LEN(len)
+       DEFINE_DMA_UNMAP_ADDR(bus);
+       DEFINE_DMA_UNMAP_LEN(len);
 };
 
 struct myri10ge_cmd {
@@ -1234,7 +1234,7 @@ myri10ge_alloc_rx_pages(struct myri10ge_priv *mgp, struct myri10ge_rx_buf *rx,
                rx->info[idx].page_offset = rx->page_offset;
                /* note that this is the address of the start of the
                 * page */
-               pci_unmap_addr_set(&rx->info[idx], bus, rx->bus);
+               dma_unmap_addr_set(&rx->info[idx], bus, rx->bus);
                rx->shadow[idx].addr_low =
                    htonl(MYRI10GE_LOWPART_TO_U32(rx->bus) + rx->page_offset);
                rx->shadow[idx].addr_high =
@@ -1266,7 +1266,7 @@ myri10ge_unmap_rx_page(struct pci_dev *pdev,
        /* unmap the recvd page if we're the only or last user of it */
        if (bytes >= MYRI10GE_ALLOC_SIZE / 2 ||
            (info->page_offset + 2 * bytes) > MYRI10GE_ALLOC_SIZE) {
-               pci_unmap_page(pdev, (pci_unmap_addr(info, bus)
+               pci_unmap_page(pdev, (dma_unmap_addr(info, bus)
                                      & ~(MYRI10GE_ALLOC_SIZE - 1)),
                               MYRI10GE_ALLOC_SIZE, PCI_DMA_FROMDEVICE);
        }
@@ -1373,21 +1373,21 @@ myri10ge_tx_done(struct myri10ge_slice_state *ss, int mcp_index)
                        tx->info[idx].last = 0;
                }
                tx->done++;
-               len = pci_unmap_len(&tx->info[idx], len);
-               pci_unmap_len_set(&tx->info[idx], len, 0);
+               len = dma_unmap_len(&tx->info[idx], len);
+               dma_unmap_len_set(&tx->info[idx], len, 0);
                if (skb) {
                        ss->stats.tx_bytes += skb->len;
                        ss->stats.tx_packets++;
                        dev_kfree_skb_irq(skb);
                        if (len)
                                pci_unmap_single(pdev,
-                                                pci_unmap_addr(&tx->info[idx],
+                                                dma_unmap_addr(&tx->info[idx],
                                                                bus), len,
                                                 PCI_DMA_TODEVICE);
                } else {
                        if (len)
                                pci_unmap_page(pdev,
-                                              pci_unmap_addr(&tx->info[idx],
+                                              dma_unmap_addr(&tx->info[idx],
                                                              bus), len,
                                               PCI_DMA_TODEVICE);
                }
@@ -2094,20 +2094,20 @@ static void myri10ge_free_rings(struct myri10ge_slice_state *ss)
                /* Mark as free */
                tx->info[idx].skb = NULL;
                tx->done++;
-               len = pci_unmap_len(&tx->info[idx], len);
-               pci_unmap_len_set(&tx->info[idx], len, 0);
+               len = dma_unmap_len(&tx->info[idx], len);
+               dma_unmap_len_set(&tx->info[idx], len, 0);
                if (skb) {
                        ss->stats.tx_dropped++;
                        dev_kfree_skb_any(skb);
                        if (len)
                                pci_unmap_single(mgp->pdev,
-                                                pci_unmap_addr(&tx->info[idx],
+                                                dma_unmap_addr(&tx->info[idx],
                                                                bus), len,
                                                 PCI_DMA_TODEVICE);
                } else {
                        if (len)
                                pci_unmap_page(mgp->pdev,
-                                              pci_unmap_addr(&tx->info[idx],
+                                              dma_unmap_addr(&tx->info[idx],
                                                              bus), len,
                                               PCI_DMA_TODEVICE);
                }
@@ -2761,8 +2761,8 @@ again:
        idx = tx->req & tx->mask;
        tx->info[idx].skb = skb;
        bus = pci_map_single(mgp->pdev, skb->data, len, PCI_DMA_TODEVICE);
-       pci_unmap_addr_set(&tx->info[idx], bus, bus);
-       pci_unmap_len_set(&tx->info[idx], len, len);
+       dma_unmap_addr_set(&tx->info[idx], bus, bus);
+       dma_unmap_len_set(&tx->info[idx], len, len);
 
        frag_cnt = skb_shinfo(skb)->nr_frags;
        frag_idx = 0;
@@ -2865,8 +2865,8 @@ again:
                len = frag->size;
                bus = pci_map_page(mgp->pdev, frag->page, frag->page_offset,
                                   len, PCI_DMA_TODEVICE);
-               pci_unmap_addr_set(&tx->info[idx], bus, bus);
-               pci_unmap_len_set(&tx->info[idx], len, len);
+               dma_unmap_addr_set(&tx->info[idx], bus, bus);
+               dma_unmap_len_set(&tx->info[idx], len, len);
        }
 
        (req - rdma_count)->rdma_count = rdma_count;
@@ -2903,19 +2903,19 @@ abort_linearize:
        idx = tx->req & tx->mask;
        tx->info[idx].skb = NULL;
        do {
-               len = pci_unmap_len(&tx->info[idx], len);
+               len = dma_unmap_len(&tx->info[idx], len);
                if (len) {
                        if (tx->info[idx].skb != NULL)
                                pci_unmap_single(mgp->pdev,
-                                                pci_unmap_addr(&tx->info[idx],
+                                                dma_unmap_addr(&tx->info[idx],
                                                                bus), len,
                                                 PCI_DMA_TODEVICE);
                        else
                                pci_unmap_page(mgp->pdev,
-                                              pci_unmap_addr(&tx->info[idx],
+                                              dma_unmap_addr(&tx->info[idx],
                                                              bus), len,
                                               PCI_DMA_TODEVICE);
-                       pci_unmap_len_set(&tx->info[idx], len, 0);
+                       dma_unmap_len_set(&tx->info[idx], len, 0);
                        tx->info[idx].skb = NULL;
                }
                idx = (idx + 1) & tx->mask;