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| author |   Logan Gunthorpe <logang@deltatee.com> | 2019-08-12 11:30:42 -0600 |
|---|---|---|
| committer |   Bjorn Helgaas <bhelgaas@google.com> | 2019-08-16 08:41:15 -0500 |
| commit | 2b9f4bb2a4fb77da4862f9ddf5209de2bcdaa0c0 (patch) | |
| tree | fa5ea414b73d49f329c5c7d4bb153d29c9a0c0ed /drivers/pci | |
| parent | PCI/P2PDMA: Whitelist some Intel host bridges (diff) | |
| download | linux-dev-2b9f4bb2a4fb77da4862f9ddf5209de2bcdaa0c0.tar.xz linux-dev-2b9f4bb2a4fb77da4862f9ddf5209de2bcdaa0c0.zip | |
PCI/P2PDMA: Add attrs argument to pci_p2pdma_map_sg()
This is to match the dma_map_sg() API which this function will have to call
in an future patch.
Add a pci_p2pdma_map_sg_attrs() function and helper to call it with no
attributes just like the dma_map_sg() function.
Link: https://lore.kernel.org/r/20190730163545.4915-9-logang@deltatee.com
Link: https://lore.kernel.org/r/20190812173048.9186-9-logang@deltatee.com
Signed-off-by: Logan Gunthorpe <logang@deltatee.com>
Signed-off-by: Bjorn Helgaas <bhelgaas@google.com>
Reviewed-by: Christoph Hellwig <hch@lst.de>
Diffstat (limited to 'drivers/pci')
| -rw-r--r-- | drivers/pci/p2pdma.c | 7 |
1 files changed, 4 insertions, 3 deletions
diff --git a/drivers/pci/p2pdma.c b/drivers/pci/p2pdma.c index 2c4a8e92ed64..94fbacbcbbd0 100644 --- a/drivers/pci/p2pdma.c +++ b/drivers/pci/p2pdma.c @@ -798,13 +798,14 @@ EXPORT_SYMBOL_GPL(pci_p2pmem_publish); * @sg: scatter list to map * @nents: elements in the scatterlist * @dir: DMA direction + * @attrs: DMA attributes passed to dma_map_sg() (if called) * * Scatterlists mapped with this function should not be unmapped in any way. * * Returns the number of SG entries mapped or 0 on error. */ -int pci_p2pdma_map_sg(struct device *dev, struct scatterlist *sg, int nents, - enum dma_data_direction dir) +int pci_p2pdma_map_sg_attrs(struct device *dev, struct scatterlist *sg, + int nents, enum dma_data_direction dir, unsigned long attrs) { struct pci_p2pdma_pagemap *p2p_pgmap; struct scatterlist *s; @@ -831,7 +832,7 @@ int pci_p2pdma_map_sg(struct device *dev, struct scatterlist *sg, int nents, return nents; } -EXPORT_SYMBOL_GPL(pci_p2pdma_map_sg); +EXPORT_SYMBOL_GPL(pci_p2pdma_map_sg_attrs); /** * pci_p2pdma_enable_store - parse a configfs/sysfs attribute store |