Messages in this thread | | | Date | Wed, 26 Aug 2009 07:32:15 +0200 | From | Brice Goglin <> | Subject | Re: how to get a DMA channel near a process? |
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Robert Hancock wrote: > On 08/25/2009 07:05 AM, Brice Goglin wrote: >> Hello, >> >> I am playing with DMA engine on a Nehalem box with two X58 chipsets >> (Supermicro X8DAH). My understanding is that there are 8 DMA channels on >> each chipset, so 8 channels near each processor. Unfortunately, my BIOS > > Don't think that DMA channel is the term you are looking for, maybe > PCI Express lanes? DMA channels are an ancient ISA thing.
Talking about DMA Engine devices/channels such as Intel I/OAT. See include/linux/dmaengine.h
Brice
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