Re: Direct access to hardware

From: Paul Barton-Davis (pbd@Op.Net)
Date: Tue Jul 25 2000 - 12:59:10 EST


James Sutherland <jas88@cam.ac.uk> writes:
>On Tue, 25 Jul 2000, Stephen Frost wrote:
>> The kernel provides a nice clean interface to devices which conform to
>> the spec. Note that such raw access is, from what I can tell, part of
>> the spec, just the specific data sent using it isn't specified in the
>> spec and has been used by vendors to provide vendor-specific hooks,
>> which reminds me of 'SCSI generic'...
>
>It's dangerous - and the only legitimate use of this "feature" is one
>which shouldn't be done from within Linux in the first place.

let me get this straight. are you saying that the "jaz" utility which
lets me password-protect write access to my jaz disks should not exist
under Linux ? this utility requires the ability to send that are
vendor-and-device-specific SCSI commands to the drive.

--p

-
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo@vger.rutgers.edu
Please read the FAQ at http://www.tux.org/lkml/



This archive was generated by hypermail 2b29 : Mon Jul 31 2000 - 21:00:19 EST