iommu sg merging: PCI: add dma segment boundary support

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This adds PCI's accessor for segment_boundary_mask in device_dma_parameters.

The default segment_boundary is set to 0xffffffff, same to the block layer's
default value (and the scsi mid layer uses the same value).

Signed-off-by: FUJITA Tomonori <fujita.tomonori@lab.ntt.co.jp>
Cc: James Bottomley <James.Bottomley@steeleye.com>
Cc: Jens Axboe <jens.axboe@oracle.com>
Cc: Greg KH <greg@kroah.com>
Cc: Jeff Garzik <jeff@garzik.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>

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FUJITA Tomonori 2008-02-04 22:28:14 -08:00 • committed by Linus Torvalds

parent d22a6966b8

commit 59fc67dedb

3 changed files with 16 additions and 0 deletions

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7

include/linux/pci.h

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