[201] in linux-scsi channel archive
Re: SCSI Reset Functions.
daemon@ATHENA.MIT.EDU (Michael Neuffer)
Tue May 23 11:13:11 1995
From: Michael Neuffer <neuffer@goofy.zdv.Uni-Mainz.de>
To: eric@aib.com (Eric Youngdale)
Date: Tue, 23 May 95 16:07:16 GMT-1:00
Cc: lnz@dandelion.com, linux-scsi@vger.rutgers.edu, drew@boulder.openware.com
In-Reply-To: <9505230929.ZM21410@aib.com>; from "Eric Youngdale" at May 23, 95 9:29 am
X-Confirm-Reading-To: neuffer@goofy.zdv.uni-mainz.de
> What I mean by this is that the number of bounce buffers that
> are pre-allocated can get to be huge. You simply multiply
> the number of commands per lun by the size of the scatter-gather table,
> by the number of non-tape devices by 512 bytes. You can easily get
> into the several Mb range without much problem. If you are using
> a driver that is not affected by the 16Mb DMA limitation, then these
> bounce buffers are not allocated.
Ohhh, yes. I didn't think of the bounce buffers.
Those really will be an enormous memory hog with
ISA boards if you pull all registers.
Mike
