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| author | FUJITA Tomonori <tomof@acm.org> | 2008-02-05 09:27:55 +0300 |
|---|---|---|
| committer | Linus Torvalds <torvalds@woody.linux-foundation.org> | 2008-02-05 20:44:10 +0300 |
| commit | 4d57cdfacaa1c207bf4c071f89835e0368766a50 (patch) | |
| tree | b0b617efcd2e228573e42e7efbea4a95955ddf70 /drivers/pci/pci.c | |
| parent | 6b7b651055221127304a4e373ee9b762398d54d7 (diff) | |
| download | linux-4d57cdfacaa1c207bf4c071f89835e0368766a50.tar.xz | |
iommu sg merging: PCI: add device_dma_parameters support
This adds struct device_dma_parameters in struct pci_dev and properly
sets up a pointer in struct device.
The default max_segment_size is set to 64K, same to the block layer's
default value.
Signed-off-by: FUJITA Tomonori <fujita.tomonori@lab.ntt.co.jp>
Mostly-acked-by: Jeff Garzik <jeff@garzik.org>
Cc: James Bottomley <James.Bottomley@steeleye.com>
Acked-by: Jens Axboe <jens.axboe@oracle.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Diffstat (limited to 'drivers/pci/pci.c')
| -rw-r--r-- | drivers/pci/pci.c | 8 |
1 files changed, 8 insertions, 0 deletions
diff --git a/drivers/pci/pci.c b/drivers/pci/pci.c index 04aac7782468..be97090ddf32 100644 --- a/drivers/pci/pci.c +++ b/drivers/pci/pci.c @@ -1451,6 +1451,14 @@ pci_set_consistent_dma_mask(struct pci_dev *dev, u64 mask) } #endif +#ifndef HAVE_ARCH_PCI_SET_DMA_MAX_SEGMENT_SIZE +int pci_set_dma_max_seg_size(struct pci_dev *dev, unsigned int size) +{ + return dma_set_max_seg_size(&dev->dev, size); +} +EXPORT_SYMBOL(pci_set_dma_max_seg_size); +#endif + /** * pcix_get_max_mmrbc - get PCI-X maximum designed memory read byte count * @dev: PCI device to query |