From owner-freebsd-hackers Tue Dec 1 05:30:27 1998 Return-Path: Received: (from majordom@localhost) by hub.freebsd.org (8.8.8/8.8.8) id FAA27321 for freebsd-hackers-outgoing; Tue, 1 Dec 1998 05:30:27 -0800 (PST) (envelope-from owner-freebsd-hackers@FreeBSD.ORG) Received: from mrelay.jrc.it (mrelay.jrc.it [139.191.1.65]) by hub.freebsd.org (8.8.8/8.8.8) with ESMTP id FAA27315 for ; Tue, 1 Dec 1998 05:30:24 -0800 (PST) (envelope-from nick.hibma@jrc.it) Received: from elect8 (elect8.jrc.it [139.191.71.152]) by mrelay.jrc.it (LMC5692) with SMTP id OAA01556 for ; Tue, 1 Dec 1998 14:30:24 +0100 (MET) Date: Tue, 1 Dec 1998 14:30:04 +0100 (MET) From: Nick Hibma X-Sender: n_hibma@elect8 Reply-To: Nick Hibma To: FreeBSD hackers mailing list Subject: major/minor numbers Message-ID: MIME-Version: 1.0 Content-Type: TEXT/PLAIN; charset=US-ASCII Sender: owner-freebsd-hackers@FreeBSD.ORG Precedence: bulk X-Loop: FreeBSD.ORG For USB support I need at least 1 but possible 3 or more major numbers. usb0 and possibly ums0 ulpt0 ucuaa0 (maybe) Brian Feldman came up with the idea to use major numbers together with other drivers, for example have ums use the numbers that also psm uses (their both PS/2 mice). Anyone tried this? Sounds a bit odd if you do not want to divide minor number space amongst them statically. Second question is: How many minor numbers can be stuck onto a major number? 16, 256, 1024, 2^16, 2^32 ? Cheers, Nick Hibma FreeBSD USB project -- The above are strictly my own opinions and not my employer's. e-mail: n_hibma@freebsd.org home page: http://www.etla.net/~n_hibma/usb/usb.pl mailing list: usb-bsd@egroups.com To Unsubscribe: send mail to majordomo@FreeBSD.org with "unsubscribe freebsd-hackers" in the body of the message