IB/core: Use the new verbs DMA mapping functions

Convert code in core/ to use the new DMA mapping functions for kernel
verbs consumers.

Signed-off-by: Ralph Campbell <ralph.campbell@qlogic.com>
Signed-off-by: Roland Dreier <rolandd@cisco.com>

diff --git a/drivers/infiniband/core/mad.c b/drivers/infiniband/core/mad.c
index 15f38d9..5ed141e 100644 (file)
--- a/drivers/infiniband/core/mad.c
+++ b/drivers/infiniband/core/mad.c
@@ -998,17 +998,17 @@ int ib_send_mad(struct ib_mad_send_wr_private *mad_send_wr)
 
        mad_agent = mad_send_wr->send_buf.mad_agent;
        sge = mad_send_wr->sg_list;
-       sge[0].addr = dma_map_single(mad_agent->device->dma_device,
-                                    mad_send_wr->send_buf.mad,
-                                    sge[0].length,
-                                    DMA_TO_DEVICE);
-       pci_unmap_addr_set(mad_send_wr, header_mapping, sge[0].addr);
-
-       sge[1].addr = dma_map_single(mad_agent->device->dma_device,
-                                    ib_get_payload(mad_send_wr),
-                                    sge[1].length,
-                                    DMA_TO_DEVICE);
-       pci_unmap_addr_set(mad_send_wr, payload_mapping, sge[1].addr);
+       sge[0].addr = ib_dma_map_single(mad_agent->device,
+                                       mad_send_wr->send_buf.mad,
+                                       sge[0].length,
+                                       DMA_TO_DEVICE);
+       mad_send_wr->header_mapping = sge[0].addr;
+
+       sge[1].addr = ib_dma_map_single(mad_agent->device,
+                                       ib_get_payload(mad_send_wr),
+                                       sge[1].length,
+                                       DMA_TO_DEVICE);
+       mad_send_wr->payload_mapping = sge[1].addr;
 
        spin_lock_irqsave(&qp_info->send_queue.lock, flags);
        if (qp_info->send_queue.count < qp_info->send_queue.max_active) {
@@ -1026,12 +1026,12 @@ int ib_send_mad(struct ib_mad_send_wr_private *mad_send_wr)
        }
        spin_unlock_irqrestore(&qp_info->send_queue.lock, flags);
        if (ret) {
-               dma_unmap_single(mad_agent->device->dma_device,
-                                pci_unmap_addr(mad_send_wr, header_mapping),
-                                sge[0].length, DMA_TO_DEVICE);
-               dma_unmap_single(mad_agent->device->dma_device,
-                                pci_unmap_addr(mad_send_wr, payload_mapping),
-                                sge[1].length, DMA_TO_DEVICE);
+               ib_dma_unmap_single(mad_agent->device,
+                                   mad_send_wr->header_mapping,
+                                   sge[0].length, DMA_TO_DEVICE);
+               ib_dma_unmap_single(mad_agent->device,
+                                   mad_send_wr->payload_mapping,
+                                   sge[1].length, DMA_TO_DEVICE);
        }
        return ret;
 }
@@ -1850,11 +1850,11 @@ static void ib_mad_recv_done_handler(struct ib_mad_port_private *port_priv,
        mad_priv_hdr = container_of(mad_list, struct ib_mad_private_header,
                                    mad_list);
        recv = container_of(mad_priv_hdr, struct ib_mad_private, header);
-       dma_unmap_single(port_priv->device->dma_device,
-                        pci_unmap_addr(&recv->header, mapping),
-                        sizeof(struct ib_mad_private) -
-                        sizeof(struct ib_mad_private_header),
-                        DMA_FROM_DEVICE);
+       ib_dma_unmap_single(port_priv->device,
+                           recv->header.mapping,
+                           sizeof(struct ib_mad_private) -
+                             sizeof(struct ib_mad_private_header),
+                           DMA_FROM_DEVICE);
 
        /* Setup MAD receive work completion from "normal" work completion */
        recv->header.wc = *wc;
@@ -2080,12 +2080,12 @@ static void ib_mad_send_done_handler(struct ib_mad_port_private *port_priv,
        qp_info = send_queue->qp_info;
 
 retry:
-       dma_unmap_single(mad_send_wr->send_buf.mad_agent->device->dma_device,
-                        pci_unmap_addr(mad_send_wr, header_mapping),
-                        mad_send_wr->sg_list[0].length, DMA_TO_DEVICE);
-       dma_unmap_single(mad_send_wr->send_buf.mad_agent->device->dma_device,
-                        pci_unmap_addr(mad_send_wr, payload_mapping),
-                        mad_send_wr->sg_list[1].length, DMA_TO_DEVICE);
+       ib_dma_unmap_single(mad_send_wr->send_buf.mad_agent->device,
+                           mad_send_wr->header_mapping,
+                           mad_send_wr->sg_list[0].length, DMA_TO_DEVICE);
+       ib_dma_unmap_single(mad_send_wr->send_buf.mad_agent->device,
+                           mad_send_wr->payload_mapping,
+                           mad_send_wr->sg_list[1].length, DMA_TO_DEVICE);
        queued_send_wr = NULL;
        spin_lock_irqsave(&send_queue->lock, flags);
        list_del(&mad_list->list);
@@ -2528,13 +2528,12 @@ static int ib_mad_post_receive_mads(struct ib_mad_qp_info *qp_info,
                                break;
                        }
                }
-               sg_list.addr = dma_map_single(qp_info->port_priv->
-                                               device->dma_device,
-                                             &mad_priv->grh,
-                                             sizeof *mad_priv -
-                                               sizeof mad_priv->header,
-                                             DMA_FROM_DEVICE);
-               pci_unmap_addr_set(&mad_priv->header, mapping, sg_list.addr);
+               sg_list.addr = ib_dma_map_single(qp_info->port_priv->device,
+                                                &mad_priv->grh,
+                                                sizeof *mad_priv -
+                                                  sizeof mad_priv->header,
+                                                DMA_FROM_DEVICE);
+               mad_priv->header.mapping = sg_list.addr;
                recv_wr.wr_id = (unsigned long)&mad_priv->header.mad_list;
                mad_priv->header.mad_list.mad_queue = recv_queue;
 
@@ -2549,12 +2548,11 @@ static int ib_mad_post_receive_mads(struct ib_mad_qp_info *qp_info,
                        list_del(&mad_priv->header.mad_list.list);
                        recv_queue->count--;
                        spin_unlock_irqrestore(&recv_queue->lock, flags);
-                       dma_unmap_single(qp_info->port_priv->device->dma_device,
-                                        pci_unmap_addr(&mad_priv->header,
-                                                       mapping),
-                                        sizeof *mad_priv -
-                                          sizeof mad_priv->header,
-                                        DMA_FROM_DEVICE);
+                       ib_dma_unmap_single(qp_info->port_priv->device,
+                                           mad_priv->header.mapping,
+                                           sizeof *mad_priv -
+                                             sizeof mad_priv->header,
+                                           DMA_FROM_DEVICE);
                        kmem_cache_free(ib_mad_cache, mad_priv);
                        printk(KERN_ERR PFX "ib_post_recv failed: %d\n", ret);
                        break;
@@ -2586,11 +2584,11 @@ static void cleanup_recv_queue(struct ib_mad_qp_info *qp_info)
                /* Remove from posted receive MAD list */
                list_del(&mad_list->list);
 
-               dma_unmap_single(qp_info->port_priv->device->dma_device,
-                                pci_unmap_addr(&recv->header, mapping),
-                                sizeof(struct ib_mad_private) -
-                                sizeof(struct ib_mad_private_header),
-                                DMA_FROM_DEVICE);
+               ib_dma_unmap_single(qp_info->port_priv->device,
+                                   recv->header.mapping,
+                                   sizeof(struct ib_mad_private) -
+                                     sizeof(struct ib_mad_private_header),
+                                   DMA_FROM_DEVICE);
                kmem_cache_free(ib_mad_cache, recv);
        }
 

diff --git a/drivers/infiniband/core/mad_priv.h b/drivers/infiniband/core/mad_priv.h
index d5548e7..de89717 100644 (file)
--- a/drivers/infiniband/core/mad_priv.h
+++ b/drivers/infiniband/core/mad_priv.h
@@ -73,7 +73,7 @@ struct ib_mad_private_header {
        struct ib_mad_list_head mad_list;
        struct ib_mad_recv_wc recv_wc;
        struct ib_wc wc;
-       DECLARE_PCI_UNMAP_ADDR(mapping)
+       u64 mapping;
 } __attribute__ ((packed));
 
 struct ib_mad_private {
@@ -126,8 +126,8 @@ struct ib_mad_send_wr_private {
        struct list_head agent_list;
        struct ib_mad_agent_private *mad_agent_priv;
        struct ib_mad_send_buf send_buf;
-       DECLARE_PCI_UNMAP_ADDR(header_mapping)
-       DECLARE_PCI_UNMAP_ADDR(payload_mapping)
+       u64 header_mapping;
+       u64 payload_mapping;
        struct ib_send_wr send_wr;
        struct ib_sge sg_list[IB_MAD_SEND_REQ_MAX_SG];
        __be64 tid;

diff --git a/drivers/infiniband/core/uverbs_mem.c b/drivers/infiniband/core/uverbs_mem.c
index db12cc0..c95fe95 100644 (file)
--- a/drivers/infiniband/core/uverbs_mem.c
+++ b/drivers/infiniband/core/uverbs_mem.c
@@ -52,8 +52,8 @@ static void __ib_umem_release(struct ib_device *dev, struct ib_umem *umem, int d
        int i;
 
        list_for_each_entry_safe(chunk, tmp, &umem->chunk_list, list) {
-               dma_unmap_sg(dev->dma_device, chunk->page_list,
-                            chunk->nents, DMA_BIDIRECTIONAL);
+               ib_dma_unmap_sg(dev, chunk->page_list,
+                               chunk->nents, DMA_BIDIRECTIONAL);
                for (i = 0; i < chunk->nents; ++i) {
                        if (umem->writable && dirty)
                                set_page_dirty_lock(chunk->page_list[i].page);
@@ -136,10 +136,10 @@ int ib_umem_get(struct ib_device *dev, struct ib_umem *mem,
                                chunk->page_list[i].length = PAGE_SIZE;
                        }
 
-                       chunk->nmap = dma_map_sg(dev->dma_device,
-                                                &chunk->page_list[0],
-                                                chunk->nents,
-                                                DMA_BIDIRECTIONAL);
+                       chunk->nmap = ib_dma_map_sg(dev,
+                                                   &chunk->page_list[0],
+                                                   chunk->nents,
+                                                   DMA_BIDIRECTIONAL);
                        if (chunk->nmap <= 0) {
                                for (i = 0; i < chunk->nents; ++i)
                                        put_page(chunk->page_list[i].page);