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Date: Thu, 12 Jan 2017 11:07:08 -0800
From: Bart Van Assche <bart.vanassche@...disk.com>
To: Doug Ledford <dledford@...hat.com>
CC: <linux-rdma@...r.kernel.org>, <linux-kernel@...r.kernel.org>,
"Greg Kroah-Hartman" <gregkh@...uxfoundation.org>,
Bart Van Assche <bart.vanassche@...disk.com>
Subject: [PATCH v2 16/26] IB/IPoIB: Inline ib_dma_map_*() functions
Signed-off-by: Bart Van Assche <bart.vanassche@...disk.com>
Reviewed-by: Christoph Hellwig <hch@....de>
Reviewed-by: Sagi Grimberg <sagi@...mberg.me>
---
drivers/infiniband/ulp/ipoib/ipoib_cm.c | 34 +++++++++++++++-----------
drivers/infiniband/ulp/ipoib/ipoib_ib.c | 42 +++++++++++++++++----------------
2 files changed, 42 insertions(+), 34 deletions(-)
diff --git a/drivers/infiniband/ulp/ipoib/ipoib_cm.c b/drivers/infiniband/ulp/ipoib/ipoib_cm.c
index 096c4f6fbd65..6d91593852e9 100644
--- a/drivers/infiniband/ulp/ipoib/ipoib_cm.c
+++ b/drivers/infiniband/ulp/ipoib/ipoib_cm.c
@@ -83,10 +83,12 @@ static void ipoib_cm_dma_unmap_rx(struct ipoib_dev_priv *priv, int frags,
{
int i;
- ib_dma_unmap_single(priv->ca, mapping[0], IPOIB_CM_HEAD_SIZE, DMA_FROM_DEVICE);
+ dma_unmap_single(priv->ca->dma_device, mapping[0], IPOIB_CM_HEAD_SIZE,
+ DMA_FROM_DEVICE);
for (i = 0; i < frags; ++i)
- ib_dma_unmap_page(priv->ca, mapping[i + 1], PAGE_SIZE, DMA_FROM_DEVICE);
+ dma_unmap_page(priv->ca->dma_device, mapping[i + 1], PAGE_SIZE,
+ DMA_FROM_DEVICE);
}
static int ipoib_cm_post_receive_srq(struct net_device *dev, int id)
@@ -158,9 +160,9 @@ static struct sk_buff *ipoib_cm_alloc_rx_skb(struct net_device *dev,
*/
skb_reserve(skb, IPOIB_CM_RX_RESERVE);
- mapping[0] = ib_dma_map_single(priv->ca, skb->data, IPOIB_CM_HEAD_SIZE,
- DMA_FROM_DEVICE);
- if (unlikely(ib_dma_mapping_error(priv->ca, mapping[0]))) {
+ mapping[0] = dma_map_single(priv->ca->dma_device, skb->data,
+ IPOIB_CM_HEAD_SIZE, DMA_FROM_DEVICE);
+ if (unlikely(dma_mapping_error(priv->ca->dma_device, mapping[0]))) {
dev_kfree_skb_any(skb);
return NULL;
}
@@ -172,9 +174,9 @@ static struct sk_buff *ipoib_cm_alloc_rx_skb(struct net_device *dev,
goto partial_error;
skb_fill_page_desc(skb, i, page, 0, PAGE_SIZE);
- mapping[i + 1] = ib_dma_map_page(priv->ca, page,
- 0, PAGE_SIZE, DMA_FROM_DEVICE);
- if (unlikely(ib_dma_mapping_error(priv->ca, mapping[i + 1])))
+ mapping[i + 1] = dma_map_page(priv->ca->dma_device, page,
+ 0, PAGE_SIZE, DMA_FROM_DEVICE);
+ if (unlikely(dma_mapping_error(priv->ca->dma_device, mapping[i + 1])))
goto partial_error;
}
@@ -183,10 +185,12 @@ static struct sk_buff *ipoib_cm_alloc_rx_skb(struct net_device *dev,
partial_error:
- ib_dma_unmap_single(priv->ca, mapping[0], IPOIB_CM_HEAD_SIZE, DMA_FROM_DEVICE);
+ dma_unmap_single(priv->ca->dma_device, mapping[0], IPOIB_CM_HEAD_SIZE,
+ DMA_FROM_DEVICE);
for (; i > 0; --i)
- ib_dma_unmap_page(priv->ca, mapping[i], PAGE_SIZE, DMA_FROM_DEVICE);
+ dma_unmap_page(priv->ca->dma_device, mapping[i], PAGE_SIZE,
+ DMA_FROM_DEVICE);
dev_kfree_skb_any(skb);
return NULL;
@@ -626,11 +630,13 @@ void ipoib_cm_handle_rx_wc(struct net_device *dev, struct ib_wc *wc)
small_skb = dev_alloc_skb(dlen + IPOIB_CM_RX_RESERVE);
if (small_skb) {
skb_reserve(small_skb, IPOIB_CM_RX_RESERVE);
- ib_dma_sync_single_for_cpu(priv->ca, rx_ring[wr_id].mapping[0],
- dlen, DMA_FROM_DEVICE);
+ dma_sync_single_for_cpu(priv->ca->dma_device,
+ rx_ring[wr_id].mapping[0],
+ dlen, DMA_FROM_DEVICE);
skb_copy_from_linear_data(skb, small_skb->data, dlen);
- ib_dma_sync_single_for_device(priv->ca, rx_ring[wr_id].mapping[0],
- dlen, DMA_FROM_DEVICE);
+ dma_sync_single_for_device(priv->ca->dma_device,
+ rx_ring[wr_id].mapping[0],
+ dlen, DMA_FROM_DEVICE);
skb_put(small_skb, dlen);
skb = small_skb;
goto copied;
diff --git a/drivers/infiniband/ulp/ipoib/ipoib_ib.c b/drivers/infiniband/ulp/ipoib/ipoib_ib.c
index 5038f9d2d753..79204bd966bd 100644
--- a/drivers/infiniband/ulp/ipoib/ipoib_ib.c
+++ b/drivers/infiniband/ulp/ipoib/ipoib_ib.c
@@ -92,9 +92,8 @@ void ipoib_free_ah(struct kref *kref)
static void ipoib_ud_dma_unmap_rx(struct ipoib_dev_priv *priv,
u64 mapping[IPOIB_UD_RX_SG])
{
- ib_dma_unmap_single(priv->ca, mapping[0],
- IPOIB_UD_BUF_SIZE(priv->max_ib_mtu),
- DMA_FROM_DEVICE);
+ dma_unmap_single(priv->ca->dma_device, mapping[0],
+ IPOIB_UD_BUF_SIZE(priv->max_ib_mtu), DMA_FROM_DEVICE);
}
static int ipoib_ib_post_receive(struct net_device *dev, int id)
@@ -139,9 +138,9 @@ static struct sk_buff *ipoib_alloc_rx_skb(struct net_device *dev, int id)
skb_reserve(skb, sizeof(struct ipoib_pseudo_header));
mapping = priv->rx_ring[id].mapping;
- mapping[0] = ib_dma_map_single(priv->ca, skb->data, buf_size,
- DMA_FROM_DEVICE);
- if (unlikely(ib_dma_mapping_error(priv->ca, mapping[0])))
+ mapping[0] = dma_map_single(priv->ca->dma_device, skb->data, buf_size,
+ DMA_FROM_DEVICE);
+ if (unlikely(dma_mapping_error(priv->ca->dma_device, mapping[0])))
goto error;
priv->rx_ring[id].skb = skb;
@@ -278,9 +277,9 @@ int ipoib_dma_map_tx(struct ib_device *ca, struct ipoib_tx_buf *tx_req)
int off;
if (skb_headlen(skb)) {
- mapping[0] = ib_dma_map_single(ca, skb->data, skb_headlen(skb),
- DMA_TO_DEVICE);
- if (unlikely(ib_dma_mapping_error(ca, mapping[0])))
+ mapping[0] = dma_map_single(ca->dma_device, skb->data,
+ skb_headlen(skb), DMA_TO_DEVICE);
+ if (unlikely(dma_mapping_error(ca->dma_device, mapping[0])))
return -EIO;
off = 1;
@@ -289,11 +288,12 @@ int ipoib_dma_map_tx(struct ib_device *ca, struct ipoib_tx_buf *tx_req)
for (i = 0; i < skb_shinfo(skb)->nr_frags; ++i) {
const skb_frag_t *frag = &skb_shinfo(skb)->frags[i];
- mapping[i + off] = ib_dma_map_page(ca,
- skb_frag_page(frag),
- frag->page_offset, skb_frag_size(frag),
- DMA_TO_DEVICE);
- if (unlikely(ib_dma_mapping_error(ca, mapping[i + off])))
+ mapping[i + off] = dma_map_page(ca->dma_device,
+ skb_frag_page(frag),
+ frag->page_offset,
+ skb_frag_size(frag),
+ DMA_TO_DEVICE);
+ if (unlikely(dma_mapping_error(ca->dma_device, mapping[i + off])))
goto partial_error;
}
return 0;
@@ -302,11 +302,13 @@ int ipoib_dma_map_tx(struct ib_device *ca, struct ipoib_tx_buf *tx_req)
for (; i > 0; --i) {
const skb_frag_t *frag = &skb_shinfo(skb)->frags[i - 1];
- ib_dma_unmap_page(ca, mapping[i - !off], skb_frag_size(frag), DMA_TO_DEVICE);
+ dma_unmap_page(ca->dma_device, mapping[i - !off],
+ skb_frag_size(frag), DMA_TO_DEVICE);
}
if (off)
- ib_dma_unmap_single(ca, mapping[0], skb_headlen(skb), DMA_TO_DEVICE);
+ dma_unmap_single(ca->dma_device, mapping[0], skb_headlen(skb),
+ DMA_TO_DEVICE);
return -EIO;
}
@@ -320,8 +322,8 @@ void ipoib_dma_unmap_tx(struct ipoib_dev_priv *priv,
int off;
if (skb_headlen(skb)) {
- ib_dma_unmap_single(priv->ca, mapping[0], skb_headlen(skb),
- DMA_TO_DEVICE);
+ dma_unmap_single(priv->ca->dma_device, mapping[0],
+ skb_headlen(skb), DMA_TO_DEVICE);
off = 1;
} else
off = 0;
@@ -329,8 +331,8 @@ void ipoib_dma_unmap_tx(struct ipoib_dev_priv *priv,
for (i = 0; i < skb_shinfo(skb)->nr_frags; ++i) {
const skb_frag_t *frag = &skb_shinfo(skb)->frags[i];
- ib_dma_unmap_page(priv->ca, mapping[i + off],
- skb_frag_size(frag), DMA_TO_DEVICE);
+ dma_unmap_page(priv->ca->dma_device, mapping[i + off],
+ skb_frag_size(frag), DMA_TO_DEVICE);
}
}
--
2.11.0
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