Wide and Synchronous transfers in Linux

[Justin T. Gibbs]

>
>Hello,
>
>	I have a external (target) SCSI device that I've built and I've
>been trying to get it to work under Linux using the generic (sg) driver.
>The host computer that I am using has a Adaptec 29160 SCSI card in it so I
>am using the AIC7XXX driver in a 2.4.9 version kernel (slackware, if
>anyone cares). The device uses a LSI SYM875 chip if anyone cares. So far
>everything is going great - except that I am unable to get wide or
>synchronous transfers to work. Thus, my transfers are very slow (both the
>"goal" and "current" are listed as 3.30 MB/s according to
>/proc/scsi/aic7xxx/0).

What about the user settings?  If the user settings are higher than the goal,
then the driver determined from inquiry data that the device is not
capable of faster rates.

The driver will never allow a target initiated transfer negotiation to
exceed the goal rate.

--
Justin

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