Author: np
Date: Mon Oct 24 20:53:44 2016
New Revision: 307881
URL: https://svnweb.freebsd.org/changeset/base/307881

Log:
  krping: Allow the underlying ib_device to handle DMA mappings.
  
  Submitted by: Vijay Singh @ Netapp

Modified:
  head/sys/contrib/rdma/krping/krping.c

Modified: head/sys/contrib/rdma/krping/krping.c
==============================================================================
--- head/sys/contrib/rdma/krping/krping.c       Mon Oct 24 20:47:46 2016        
(r307880)
+++ head/sys/contrib/rdma/krping/krping.c       Mon Oct 24 20:53:44 2016        
(r307881)
@@ -548,11 +548,11 @@ static int krping_setup_buffers(struct k
 
        DEBUG_LOG(cb, "krping_setup_buffers called on cb %p\n", cb);
 
-       cb->recv_dma_addr = dma_map_single(cb->pd->device->dma_device, 
+       cb->recv_dma_addr = ib_dma_map_single(cb->pd->device, 
                                   &cb->recv_buf, 
                                   sizeof(cb->recv_buf), DMA_BIDIRECTIONAL);
        pci_unmap_addr_set(cb, recv_mapping, cb->recv_dma_addr);
-       cb->send_dma_addr = dma_map_single(cb->pd->device->dma_device, 
+       cb->send_dma_addr = ib_dma_map_single(cb->pd->device, 
                                           &cb->send_buf, sizeof(cb->send_buf),
                                           DMA_BIDIRECTIONAL);
        pci_unmap_addr_set(cb, send_mapping, cb->send_dma_addr);
@@ -606,7 +606,7 @@ static int krping_setup_buffers(struct k
                goto bail;
        }
 
-       cb->rdma_dma_addr = dma_map_single(cb->pd->device->dma_device, 
+       cb->rdma_dma_addr = ib_dma_map_single(cb->pd->device, 
                               cb->rdma_buf, cb->size, 
                               DMA_BIDIRECTIONAL);
        pci_unmap_addr_set(cb, rdma_mapping, cb->rdma_dma_addr);
@@ -676,7 +676,7 @@ static int krping_setup_buffers(struct k
                        goto bail;
                }
 
-               cb->start_dma_addr = dma_map_single(cb->pd->device->dma_device, 
+               cb->start_dma_addr = ib_dma_map_single(cb->pd->device, 
                                                   cb->start_buf, cb->size, 
                                                   DMA_BIDIRECTIONAL);
                pci_unmap_addr_set(cb, start_mapping, cb->start_dma_addr);
@@ -1707,7 +1707,7 @@ static void krping_fr_test5(struct krpin
                        goto err2;
                }
                DEBUG_LOG(cb, "%s buf[%u] %p\n", __func__, scnt, buf[scnt]);
-               dma_addr[scnt] = dma_map_single(cb->pd->device->dma_device,
+               dma_addr[scnt] = ib_dma_map_single(cb->pd->device,
                                                   buf[scnt], cb->size,
                                                   DMA_BIDIRECTIONAL);
                if (dma_mapping_error(cb->pd->device->dma_device,
@@ -2032,7 +2032,7 @@ static void krping_fr_test6(struct krpin
                        goto err2;
                }
                DEBUG_LOG(cb, "%s buf[%u] %p\n", __func__, scnt, buf[scnt]);
-               dma_addr[scnt] = dma_map_single(cb->pd->device->dma_device,
+               dma_addr[scnt] = ib_dma_map_single(cb->pd->device,
                                                   buf[scnt], cb->size,
                                                   DMA_BIDIRECTIONAL);
                if (dma_mapping_error(cb->pd->device->dma_device,
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