@@ -617,7 +617,7 @@ static void mthca_free_eq(struct mthca_dev *dev,
mthca_free_mr(dev, &eq->mr);
for (i = 0; i < npages; ++i)
- pci_free_consistent(dev->pdev, PAGE_SIZE,
+ dma_free_coherent(&dev->pdev->dev, PAGE_SIZE,
eq->page_list[i].buf,
dma_unmap_addr(&eq->page_list[i], mapping));
@@ -739,17 +739,19 @@ int mthca_map_eq_icm(struct mthca_dev *dev, u64 icm_virt)
dev->eq_table.icm_page = alloc_page(GFP_HIGHUSER);
if (!dev->eq_table.icm_page)
return -ENOMEM;
- dev->eq_table.icm_dma = pci_map_page(dev->pdev, dev->eq_table.icm_page, 0,
- PAGE_SIZE, PCI_DMA_BIDIRECTIONAL);
- if (pci_dma_mapping_error(dev->pdev, dev->eq_table.icm_dma)) {
+ dev->eq_table.icm_dma = dma_map_page(&dev->pdev->dev,
+ dev->eq_table.icm_page, 0,
+ PAGE_SIZE, DMA_BIDIRECTIONAL);
+
+ if (dma_mapping_error(&dev->pdev->dev, dev->eq_table.icm_dma)) {
__free_page(dev->eq_table.icm_page);
return -ENOMEM;
}
ret = mthca_MAP_ICM_page(dev, dev->eq_table.icm_dma, icm_virt);
if (ret) {
- pci_unmap_page(dev->pdev, dev->eq_table.icm_dma, PAGE_SIZE,
- PCI_DMA_BIDIRECTIONAL);
+ dma_unmap_page(&dev->pdev->dev, dev->eq_table.icm_dma,
+ PAGE_SIZE, DMA_BIDIRECTIONAL);
__free_page(dev->eq_table.icm_page);
}
@@ -759,8 +761,8 @@ int mthca_map_eq_icm(struct mthca_dev *dev, u64 icm_virt)
void mthca_unmap_eq_icm(struct mthca_dev *dev)
{
mthca_UNMAP_ICM(dev, dev->eq_table.icm_virt, 1);
- pci_unmap_page(dev->pdev, dev->eq_table.icm_dma, PAGE_SIZE,
- PCI_DMA_BIDIRECTIONAL);
+ dma_unmap_page(&dev->pdev->dev, dev->eq_table.icm_dma, PAGE_SIZE,
+ DMA_BIDIRECTIONAL);
__free_page(dev->eq_table.icm_page);
}
@@ -940,20 +940,20 @@ static int __mthca_init_one(struct pci_dev *pdev, int hca_type)
pci_set_master(pdev);
- err = pci_set_dma_mask(pdev, DMA_BIT_MASK(64));
+ err = dma_set_mask(&pdev->dev, DMA_BIT_MASK(64));
if (err) {
dev_warn(&pdev->dev, "Warning: couldn't set 64-bit PCI DMA mask.\n");
- err = pci_set_dma_mask(pdev, DMA_BIT_MASK(32));
+ err = dma_set_mask(&pdev->dev, DMA_BIT_MASK(32));
if (err) {
dev_err(&pdev->dev, "Can't set PCI DMA mask, aborting.\n");
goto err_free_res;
}
}
- err = pci_set_consistent_dma_mask(pdev, DMA_BIT_MASK(64));
+ err = dma_set_coherent_mask(&pdev->dev, DMA_BIT_MASK(64));
if (err) {
dev_warn(&pdev->dev, "Warning: couldn't set 64-bit "
"consistent PCI DMA mask.\n");
- err = pci_set_consistent_dma_mask(pdev, DMA_BIT_MASK(32));
+ err = dma_set_coherent_mask(&pdev->dev, DMA_BIT_MASK(32));
if (err) {
dev_err(&pdev->dev, "Can't set consistent PCI DMA mask, "
"aborting.\n");
@@ -66,8 +66,8 @@ static void mthca_free_icm_pages(struct mthca_dev *dev, struct mthca_icm_chunk *
int i;
if (chunk->nsg > 0)
- pci_unmap_sg(dev->pdev, chunk->mem, chunk->npages,
- PCI_DMA_BIDIRECTIONAL);
+ dma_unmap_sg(&dev->pdev->dev, chunk->mem, chunk->npages,
+ DMA_BIDIRECTIONAL);
for (i = 0; i < chunk->npages; ++i)
__free_pages(sg_page(&chunk->mem[i]),
@@ -184,9 +184,10 @@ struct mthca_icm *mthca_alloc_icm(struct mthca_dev *dev, int npages,
if (coherent)
++chunk->nsg;
else if (chunk->npages == MTHCA_ICM_CHUNK_LEN) {
- chunk->nsg = pci_map_sg(dev->pdev, chunk->mem,
+ chunk->nsg = dma_map_sg(&dev->pdev->dev,
+ chunk->mem,
chunk->npages,
- PCI_DMA_BIDIRECTIONAL);
+ DMA_BIDIRECTIONAL);
if (chunk->nsg <= 0)
goto fail;
@@ -204,9 +205,10 @@ struct mthca_icm *mthca_alloc_icm(struct mthca_dev *dev, int npages,
}
if (!coherent && chunk) {
- chunk->nsg = pci_map_sg(dev->pdev, chunk->mem,
+ chunk->nsg = dma_map_sg(&dev->pdev->dev,
+ chunk->mem,
chunk->npages,
- PCI_DMA_BIDIRECTIONAL);
+ DMA_BIDIRECTIONAL);
if (chunk->nsg <= 0)
goto fail;
@@ -480,7 +482,8 @@ int mthca_map_user_db(struct mthca_dev *dev, struct mthca_uar *uar,
sg_set_page(&db_tab->page[i].mem, pages[0], MTHCA_ICM_PAGE_SIZE,
uaddr & ~PAGE_MASK);
- ret = pci_map_sg(dev->pdev, &db_tab->page[i].mem, 1, PCI_DMA_TODEVICE);
+ ret = dma_map_sg(&dev->pdev->dev, &db_tab->page[i].mem, 1,
+ DMA_TO_DEVICE);
if (ret < 0) {
put_page(pages[0]);
goto out;
@@ -489,7 +492,8 @@ int mthca_map_user_db(struct mthca_dev *dev, struct mthca_uar *uar,
ret = mthca_MAP_ICM_page(dev, sg_dma_address(&db_tab->page[i].mem),
mthca_uarc_virt(dev, uar, i));
if (ret) {
- pci_unmap_sg(dev->pdev, &db_tab->page[i].mem, 1, PCI_DMA_TODEVICE);
+ dma_unmap_sg(&dev->pdev->dev, &db_tab->page[i].mem, 1,
+ DMA_TO_DEVICE);
put_page(sg_page(&db_tab->page[i].mem));
goto out;
}
@@ -555,7 +559,8 @@ void mthca_cleanup_user_db_tab(struct mthca_dev *dev, struct mthca_uar *uar,
for (i = 0; i < dev->uar_table.uarc_size / MTHCA_ICM_PAGE_SIZE; ++i) {
if (db_tab->page[i].uvirt) {
mthca_UNMAP_ICM(dev, mthca_uarc_virt(dev, uar, i), 1);
- pci_unmap_sg(dev->pdev, &db_tab->page[i].mem, 1, PCI_DMA_TODEVICE);
+ dma_unmap_sg(&dev->pdev->dev, &db_tab->page[i].mem, 1,
+ DMA_TO_DEVICE);
put_page(sg_page(&db_tab->page[i].mem));
}
}
Replace occurences of the pci api by appropriate call to the dma api. A simplified version of the semantic patch that finds this problem is as follows: (http://coccinelle.lip6.fr) @deprecated@ idexpression id; position p; @@ ( pci_dma_supported@p ( id, ...) | pci_alloc_consistent@p ( id, ...) ) @bad1@ idexpression id; position deprecated.p; @@ ...when != &id->dev when != pci_get_drvdata ( id ) when != pci_enable_device ( id ) ( pci_dma_supported@p ( id, ...) | pci_alloc_consistent@p ( id, ...) ) @depends on !bad1@ idexpression id; expression direction; position deprecated.p; @@ ( - pci_dma_supported@p ( id, + dma_supported ( &id->dev, ... + , GFP_ATOMIC ) | - pci_alloc_consistent@p ( id, + dma_alloc_coherent ( &id->dev, ... + , GFP_ATOMIC ) ) Signed-off-by: Quentin Lambert <lambert.quentin@gmail.com> --- Changes since v1: - replace cast from pci enum to dma enum with approriate dma enum value as suggested by Roland Dreier drivers/infiniband/hw/mthca/mthca_eq.c | 18 ++++++++++-------- drivers/infiniband/hw/mthca/mthca_main.c | 8 ++++---- drivers/infiniband/hw/mthca/mthca_memfree.c | 23 ++++++++++++++--------- 3 files changed, 28 insertions(+), 21 deletions(-)