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Text File  |  1994-10-16  |  692b  |  18 lines
  1. From: Duncan McEwan <duncan@comp.vuw.ac.nz>
  2. To: "Chris G. Demetriou" <cgd@alpha.bostic.com>
  3. Cc: current-users@sun-lamp.cs.berkeley.edu
  4. Subject: Bounce buffers (was: Re: Return of "D'oh")
  5.              <9408011703.AA02817@alpha.bostic.com> 
  6. Mime-Version: 1.0
  7. Content-Type: text/plain; charset=US-ASCII
  8. Sender: owner-current-users@sun-lamp.cs.berkeley.edu
  9.  
  10. > The generic solution is bounce buffers, but it's not going to get done today.
  11.  
  12. I'm confused about the state of bounce buffers in -current.
  13.  
  14. There seems to be code is i386/isa/dma.c to implement bounce buffers for
  15. dma above the 16Mb limit.  Is this different than what is required for a
  16. bus-mastering scsi drive?
  17.  
  18. Duncan