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iommu sg merging: PCI: add device_dma_parameters support

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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>
This commit is contained in:
FUJITA Tomonori
2008-02-04 22:27:55 -08:00
committed by Linus Torvalds
parent 6b7b651055
commit 4d57cdfaca
3 changed files with 20 additions and 0 deletions
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3
drivers/pci/probe.c
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@ -933,8 +933,11 @@ void pci_device_add(struct pci_dev *dev, struct pci_bus *bus)
set_dev_node(&dev->dev, pcibus_to_node(bus));
dev->dev.dma_mask = &dev->dma_mask;
dev->dev.dma_parms = &dev->dma_parms;
dev->dev.coherent_dma_mask = 0xffffffffull;
pci_set_dma_max_seg_size(dev, 65536);
/* Fix up broken headers */
pci_fixup_device(pci_fixup_header, dev);