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Date: Tue, 14 Jul 2020 11:14:12 +0200
From: Christophe JAILLET <christophe.jaillet@...adoo.fr>
To: davem@...emloft.net, jdmason@...zu.us, kuba@...nel.org,
mhabets@...arflare.com, snelson@...sando.io, mst@...hat.com,
vaibhavgupta40@...il.com
Cc: netdev@...r.kernel.org, linux-kernel@...r.kernel.org,
kernel-janitors@...r.kernel.org,
Christophe JAILLET <christophe.jaillet@...adoo.fr>
Subject: [PATCH] net: neterion: vxge: switch from 'pci_' to 'dma_' API
The wrappers in include/linux/pci-dma-compat.h should go away.
The patch has been generated with the coccinelle script below. No GFP_
flag needs to be corrected.
It has been compile tested.
@@
@@
- PCI_DMA_BIDIRECTIONAL
+ DMA_BIDIRECTIONAL
@@
@@
- PCI_DMA_TODEVICE
+ DMA_TO_DEVICE
@@
@@
- PCI_DMA_FROMDEVICE
+ DMA_FROM_DEVICE
@@
@@
- PCI_DMA_NONE
+ DMA_NONE
@@
expression e1, e2, e3;
@@
- pci_alloc_consistent(e1, e2, e3)
+ dma_alloc_coherent(&e1->dev, e2, e3, GFP_)
@@
expression e1, e2, e3;
@@
- pci_zalloc_consistent(e1, e2, e3)
+ dma_alloc_coherent(&e1->dev, e2, e3, GFP_)
@@
expression e1, e2, e3, e4;
@@
- pci_free_consistent(e1, e2, e3, e4)
+ dma_free_coherent(&e1->dev, e2, e3, e4)
@@
expression e1, e2, e3, e4;
@@
- pci_map_single(e1, e2, e3, e4)
+ dma_map_single(&e1->dev, e2, e3, e4)
@@
expression e1, e2, e3, e4;
@@
- pci_unmap_single(e1, e2, e3, e4)
+ dma_unmap_single(&e1->dev, e2, e3, e4)
@@
expression e1, e2, e3, e4, e5;
@@
- pci_map_page(e1, e2, e3, e4, e5)
+ dma_map_page(&e1->dev, e2, e3, e4, e5)
@@
expression e1, e2, e3, e4;
@@
- pci_unmap_page(e1, e2, e3, e4)
+ dma_unmap_page(&e1->dev, e2, e3, e4)
@@
expression e1, e2, e3, e4;
@@
- pci_map_sg(e1, e2, e3, e4)
+ dma_map_sg(&e1->dev, e2, e3, e4)
@@
expression e1, e2, e3, e4;
@@
- pci_unmap_sg(e1, e2, e3, e4)
+ dma_unmap_sg(&e1->dev, e2, e3, e4)
@@
expression e1, e2, e3, e4;
@@
- pci_dma_sync_single_for_cpu(e1, e2, e3, e4)
+ dma_sync_single_for_cpu(&e1->dev, e2, e3, e4)
@@
expression e1, e2, e3, e4;
@@
- pci_dma_sync_single_for_device(e1, e2, e3, e4)
+ dma_sync_single_for_device(&e1->dev, e2, e3, e4)
@@
expression e1, e2, e3, e4;
@@
- pci_dma_sync_sg_for_cpu(e1, e2, e3, e4)
+ dma_sync_sg_for_cpu(&e1->dev, e2, e3, e4)
@@
expression e1, e2, e3, e4;
@@
- pci_dma_sync_sg_for_device(e1, e2, e3, e4)
+ dma_sync_sg_for_device(&e1->dev, e2, e3, e4)
@@
expression e1, e2;
@@
- pci_dma_mapping_error(e1, e2)
+ dma_mapping_error(&e1->dev, e2)
@@
expression e1, e2;
@@
- pci_set_dma_mask(e1, e2)
+ dma_set_mask(&e1->dev, e2)
@@
expression e1, e2;
@@
- pci_set_consistent_dma_mask(e1, e2)
+ dma_set_coherent_mask(&e1->dev, e2)
Signed-off-by: Christophe JAILLET <christophe.jaillet@...adoo.fr>
---
If needed, see post from Christoph Hellwig on the kernel-janitors ML:
https://marc.info/?l=kernel-janitors&m=158745678307186&w=4
---
.../net/ethernet/neterion/vxge/vxge-config.c | 42 ++++++------
.../net/ethernet/neterion/vxge/vxge-main.c | 64 +++++++++----------
2 files changed, 52 insertions(+), 54 deletions(-)
diff --git a/drivers/net/ethernet/neterion/vxge/vxge-config.c b/drivers/net/ethernet/neterion/vxge/vxge-config.c
index 51cd57ab3d95..4f1f90f5e178 100644
--- a/drivers/net/ethernet/neterion/vxge/vxge-config.c
+++ b/drivers/net/ethernet/neterion/vxge/vxge-config.c
@@ -1102,10 +1102,10 @@ static void __vxge_hw_blockpool_destroy(struct __vxge_hw_blockpool *blockpool)
hldev = blockpool->hldev;
list_for_each_safe(p, n, &blockpool->free_block_list) {
- pci_unmap_single(hldev->pdev,
- ((struct __vxge_hw_blockpool_entry *)p)->dma_addr,
- ((struct __vxge_hw_blockpool_entry *)p)->length,
- PCI_DMA_BIDIRECTIONAL);
+ dma_unmap_single(&hldev->pdev->dev,
+ ((struct __vxge_hw_blockpool_entry *)p)->dma_addr,
+ ((struct __vxge_hw_blockpool_entry *)p)->length,
+ DMA_BIDIRECTIONAL);
vxge_os_dma_free(hldev->pdev,
((struct __vxge_hw_blockpool_entry *)p)->memblock,
@@ -1178,10 +1178,10 @@ __vxge_hw_blockpool_create(struct __vxge_hw_device *hldev,
goto blockpool_create_exit;
}
- dma_addr = pci_map_single(hldev->pdev, memblock,
- VXGE_HW_BLOCK_SIZE, PCI_DMA_BIDIRECTIONAL);
- if (unlikely(pci_dma_mapping_error(hldev->pdev,
- dma_addr))) {
+ dma_addr = dma_map_single(&hldev->pdev->dev, memblock,
+ VXGE_HW_BLOCK_SIZE,
+ DMA_BIDIRECTIONAL);
+ if (unlikely(dma_mapping_error(&hldev->pdev->dev, dma_addr))) {
vxge_os_dma_free(hldev->pdev, memblock, &acc_handle);
__vxge_hw_blockpool_destroy(blockpool);
status = VXGE_HW_ERR_OUT_OF_MEMORY;
@@ -2264,10 +2264,10 @@ static void vxge_hw_blockpool_block_add(struct __vxge_hw_device *devh,
goto exit;
}
- dma_addr = pci_map_single(devh->pdev, block_addr, length,
- PCI_DMA_BIDIRECTIONAL);
+ dma_addr = dma_map_single(&devh->pdev->dev, block_addr, length,
+ DMA_BIDIRECTIONAL);
- if (unlikely(pci_dma_mapping_error(devh->pdev, dma_addr))) {
+ if (unlikely(dma_mapping_error(&devh->pdev->dev, dma_addr))) {
vxge_os_dma_free(devh->pdev, block_addr, &acc_handle);
blockpool->req_out--;
goto exit;
@@ -2359,11 +2359,10 @@ static void *__vxge_hw_blockpool_malloc(struct __vxge_hw_device *devh, u32 size,
if (!memblock)
goto exit;
- dma_object->addr = pci_map_single(devh->pdev, memblock, size,
- PCI_DMA_BIDIRECTIONAL);
+ dma_object->addr = dma_map_single(&devh->pdev->dev, memblock,
+ size, DMA_BIDIRECTIONAL);
- if (unlikely(pci_dma_mapping_error(devh->pdev,
- dma_object->addr))) {
+ if (unlikely(dma_mapping_error(&devh->pdev->dev, dma_object->addr))) {
vxge_os_dma_free(devh->pdev, memblock,
&dma_object->acc_handle);
memblock = NULL;
@@ -2410,11 +2409,10 @@ __vxge_hw_blockpool_blocks_remove(struct __vxge_hw_blockpool *blockpool)
if (blockpool->pool_size < blockpool->pool_max)
break;
- pci_unmap_single(
- (blockpool->hldev)->pdev,
- ((struct __vxge_hw_blockpool_entry *)p)->dma_addr,
- ((struct __vxge_hw_blockpool_entry *)p)->length,
- PCI_DMA_BIDIRECTIONAL);
+ dma_unmap_single(&(blockpool->hldev)->pdev->dev,
+ ((struct __vxge_hw_blockpool_entry *)p)->dma_addr,
+ ((struct __vxge_hw_blockpool_entry *)p)->length,
+ DMA_BIDIRECTIONAL);
vxge_os_dma_free(
(blockpool->hldev)->pdev,
@@ -2445,8 +2443,8 @@ static void __vxge_hw_blockpool_free(struct __vxge_hw_device *devh,
blockpool = &devh->block_pool;
if (size != blockpool->block_size) {
- pci_unmap_single(devh->pdev, dma_object->addr, size,
- PCI_DMA_BIDIRECTIONAL);
+ dma_unmap_single(&devh->pdev->dev, dma_object->addr, size,
+ DMA_BIDIRECTIONAL);
vxge_os_dma_free(devh->pdev, memblock, &dma_object->acc_handle);
} else {
diff --git a/drivers/net/ethernet/neterion/vxge/vxge-main.c b/drivers/net/ethernet/neterion/vxge/vxge-main.c
index 5de85b9e9e35..b0faa737b817 100644
--- a/drivers/net/ethernet/neterion/vxge/vxge-main.c
+++ b/drivers/net/ethernet/neterion/vxge/vxge-main.c
@@ -241,10 +241,10 @@ static int vxge_rx_map(void *dtrh, struct vxge_ring *ring)
rx_priv = vxge_hw_ring_rxd_private_get(dtrh);
rx_priv->skb_data = rx_priv->skb->data;
- dma_addr = pci_map_single(ring->pdev, rx_priv->skb_data,
- rx_priv->data_size, PCI_DMA_FROMDEVICE);
+ dma_addr = dma_map_single(&ring->pdev->dev, rx_priv->skb_data,
+ rx_priv->data_size, DMA_FROM_DEVICE);
- if (unlikely(pci_dma_mapping_error(ring->pdev, dma_addr))) {
+ if (unlikely(dma_mapping_error(&ring->pdev->dev, dma_addr))) {
ring->stats.pci_map_fail++;
return -EIO;
}
@@ -323,8 +323,8 @@ vxge_rx_complete(struct vxge_ring *ring, struct sk_buff *skb, u16 vlan,
static inline void vxge_re_pre_post(void *dtr, struct vxge_ring *ring,
struct vxge_rx_priv *rx_priv)
{
- pci_dma_sync_single_for_device(ring->pdev,
- rx_priv->data_dma, rx_priv->data_size, PCI_DMA_FROMDEVICE);
+ dma_sync_single_for_device(&ring->pdev->dev, rx_priv->data_dma,
+ rx_priv->data_size, DMA_FROM_DEVICE);
vxge_hw_ring_rxd_1b_set(dtr, rx_priv->data_dma, rx_priv->data_size);
vxge_hw_ring_rxd_pre_post(ring->handle, dtr);
@@ -425,8 +425,9 @@ vxge_rx_1b_compl(struct __vxge_hw_ring *ringh, void *dtr,
if (!vxge_rx_map(dtr, ring)) {
skb_put(skb, pkt_length);
- pci_unmap_single(ring->pdev, data_dma,
- data_size, PCI_DMA_FROMDEVICE);
+ dma_unmap_single(&ring->pdev->dev,
+ data_dma, data_size,
+ DMA_FROM_DEVICE);
vxge_hw_ring_rxd_pre_post(ringh, dtr);
vxge_post(&dtr_cnt, &first_dtr, dtr,
@@ -458,9 +459,9 @@ vxge_rx_1b_compl(struct __vxge_hw_ring *ringh, void *dtr,
skb_reserve(skb_up,
VXGE_HW_HEADER_ETHERNET_II_802_3_ALIGN);
- pci_dma_sync_single_for_cpu(ring->pdev,
- data_dma, data_size,
- PCI_DMA_FROMDEVICE);
+ dma_sync_single_for_cpu(&ring->pdev->dev,
+ data_dma, data_size,
+ DMA_FROM_DEVICE);
vxge_debug_mem(VXGE_TRACE,
"%s: %s:%d skb_up = %p",
@@ -585,13 +586,13 @@ vxge_xmit_compl(struct __vxge_hw_fifo *fifo_hw, void *dtr,
}
/* for unfragmented skb */
- pci_unmap_single(fifo->pdev, txd_priv->dma_buffers[i++],
- skb_headlen(skb), PCI_DMA_TODEVICE);
+ dma_unmap_single(&fifo->pdev->dev, txd_priv->dma_buffers[i++],
+ skb_headlen(skb), DMA_TO_DEVICE);
for (j = 0; j < frg_cnt; j++) {
- pci_unmap_page(fifo->pdev,
- txd_priv->dma_buffers[i++],
- skb_frag_size(frag), PCI_DMA_TODEVICE);
+ dma_unmap_page(&fifo->pdev->dev,
+ txd_priv->dma_buffers[i++],
+ skb_frag_size(frag), DMA_TO_DEVICE);
frag += 1;
}
@@ -897,10 +898,10 @@ vxge_xmit(struct sk_buff *skb, struct net_device *dev)
first_frg_len = skb_headlen(skb);
- dma_pointer = pci_map_single(fifo->pdev, skb->data, first_frg_len,
- PCI_DMA_TODEVICE);
+ dma_pointer = dma_map_single(&fifo->pdev->dev, skb->data,
+ first_frg_len, DMA_TO_DEVICE);
- if (unlikely(pci_dma_mapping_error(fifo->pdev, dma_pointer))) {
+ if (unlikely(dma_mapping_error(&fifo->pdev->dev, dma_pointer))) {
vxge_hw_fifo_txdl_free(fifo_hw, dtr);
fifo->stats.pci_map_fail++;
goto _exit0;
@@ -977,12 +978,12 @@ vxge_xmit(struct sk_buff *skb, struct net_device *dev)
j = 0;
frag = &skb_shinfo(skb)->frags[0];
- pci_unmap_single(fifo->pdev, txdl_priv->dma_buffers[j++],
- skb_headlen(skb), PCI_DMA_TODEVICE);
+ dma_unmap_single(&fifo->pdev->dev, txdl_priv->dma_buffers[j++],
+ skb_headlen(skb), DMA_TO_DEVICE);
for (; j < i; j++) {
- pci_unmap_page(fifo->pdev, txdl_priv->dma_buffers[j],
- skb_frag_size(frag), PCI_DMA_TODEVICE);
+ dma_unmap_page(&fifo->pdev->dev, txdl_priv->dma_buffers[j],
+ skb_frag_size(frag), DMA_TO_DEVICE);
frag += 1;
}
@@ -1012,8 +1013,8 @@ vxge_rx_term(void *dtrh, enum vxge_hw_rxd_state state, void *userdata)
if (state != VXGE_HW_RXD_STATE_POSTED)
return;
- pci_unmap_single(ring->pdev, rx_priv->data_dma,
- rx_priv->data_size, PCI_DMA_FROMDEVICE);
+ dma_unmap_single(&ring->pdev->dev, rx_priv->data_dma,
+ rx_priv->data_size, DMA_FROM_DEVICE);
dev_kfree_skb(rx_priv->skb);
rx_priv->skb_data = NULL;
@@ -1048,12 +1049,12 @@ vxge_tx_term(void *dtrh, enum vxge_hw_txdl_state state, void *userdata)
frag = &skb_shinfo(skb)->frags[0];
/* for unfragmented skb */
- pci_unmap_single(fifo->pdev, txd_priv->dma_buffers[i++],
- skb_headlen(skb), PCI_DMA_TODEVICE);
+ dma_unmap_single(&fifo->pdev->dev, txd_priv->dma_buffers[i++],
+ skb_headlen(skb), DMA_TO_DEVICE);
for (j = 0; j < frg_cnt; j++) {
- pci_unmap_page(fifo->pdev, txd_priv->dma_buffers[i++],
- skb_frag_size(frag), PCI_DMA_TODEVICE);
+ dma_unmap_page(&fifo->pdev->dev, txd_priv->dma_buffers[i++],
+ skb_frag_size(frag), DMA_TO_DEVICE);
frag += 1;
}
@@ -4387,21 +4388,20 @@ vxge_probe(struct pci_dev *pdev, const struct pci_device_id *pre)
goto _exit0;
}
- if (!pci_set_dma_mask(pdev, DMA_BIT_MASK(64))) {
+ if (!dma_set_mask(&pdev->dev, DMA_BIT_MASK(64))) {
vxge_debug_ll_config(VXGE_TRACE,
"%s : using 64bit DMA", __func__);
high_dma = 1;
- if (pci_set_consistent_dma_mask(pdev,
- DMA_BIT_MASK(64))) {
+ if (dma_set_coherent_mask(&pdev->dev, DMA_BIT_MASK(64))) {
vxge_debug_init(VXGE_ERR,
"%s : unable to obtain 64bit DMA for "
"consistent allocations", __func__);
ret = -ENOMEM;
goto _exit1;
}
- } else if (!pci_set_dma_mask(pdev, DMA_BIT_MASK(32))) {
+ } else if (!dma_set_mask(&pdev->dev, DMA_BIT_MASK(32))) {
vxge_debug_ll_config(VXGE_TRACE,
"%s : using 32bit DMA", __func__);
} else {
--
2.25.1
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