Dan Williams 5cbafa65b9 ioat2,3: convert to a true ring buffer ... Replace the current linked list munged into a ring with a native ring buffer implementation. The benefit of this approach is reduced overhead as many parameters can be derived from ring position with simple pointer comparisons and descriptor allocation/freeing becomes just a manipulation of head/tail pointers. It requires a contiguous allocation for the software descriptor information. Since this arrangement is significantly different from the ioat1 chain, move ioat2,3 support into its own file and header. Common routines are exported from driver/dma/ioat/dma.[ch]. Signed-off-by: Maciej Sosnowski <maciej.sosnowski@intel.com> Signed-off-by: Dan Williams <dan.j.williams@intel.com>		2009-09-08 17:29:55 -07:00
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dca.c	ioat: move to drivers/dma/ioat/	2009-07-28 14:32:12 -07:00
dma_v2.c	ioat2,3: convert to a true ring buffer	2009-09-08 17:29:55 -07:00
dma_v2.h	ioat2,3: convert to a true ring buffer	2009-09-08 17:29:55 -07:00
dma.c	ioat2,3: convert to a true ring buffer	2009-09-08 17:29:55 -07:00
dma.h	ioat2,3: convert to a true ring buffer	2009-09-08 17:29:55 -07:00
hw.h	ioat: define descriptor control bit-field	2009-09-08 17:29:55 -07:00
Makefile	ioat2,3: convert to a true ring buffer	2009-09-08 17:29:55 -07:00
pci.c	ioat2,3: convert to a true ring buffer	2009-09-08 17:29:55 -07:00
registers.h	ioat: move to drivers/dma/ioat/	2009-07-28 14:32:12 -07:00