From owner-freebsd-current@FreeBSD.ORG Sun Mar 13 18:30:10 2005 Return-Path: Delivered-To: freebsd-current@freebsd.org Received: from mx1.FreeBSD.org (mx1.freebsd.org [216.136.204.125]) by hub.freebsd.org (Postfix) with ESMTP id 3BDD616A4CE for ; Sun, 13 Mar 2005 18:30:10 +0000 (GMT) Received: from mp2.macomnet.net (mp2.macomnet.net [195.128.64.6]) by mx1.FreeBSD.org (Postfix) with ESMTP id 0352043D4C for ; Sun, 13 Mar 2005 18:30:09 +0000 (GMT) (envelope-from maxim@macomnet.ru) Received-SPF: pass (mp2.macomnet.net: domain of maxim@macomnet.ru designates 127.0.0.1 as permitted sender) receiver=mp2.macomnet.net; client_ip=127.0.0.1; envelope-from=maxim@macomnet.ru; Received: from localhost (localhost [127.0.0.1]) by mp2.macomnet.net (8.12.11/8.12.11) with ESMTP id j2DITjfb041922; Sun, 13 Mar 2005 21:29:45 +0300 (MSK) (envelope-from maxim@macomnet.ru) Date: Sun, 13 Mar 2005 21:29:45 +0300 (MSK) From: Maxim Konovalov To: sam wun In-Reply-To: <4234849A.90505@authtec.com> Message-ID: <20050313212931.Q41893@mp2.macomnet.net> References: <4234849A.90505@authtec.com> MIME-Version: 1.0 Content-Type: TEXT/PLAIN; charset=US-ASCII cc: freebsd-current@freebsd.org Subject: Re: _IOWR X-BeenThere: freebsd-current@freebsd.org X-Mailman-Version: 2.1.1 Precedence: list List-Id: Discussions about the use of FreeBSD-current List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Sun, 13 Mar 2005 18:30:10 -0000 On Mon, 14 Mar 2005, 02:21+0800, sam wun wrote: > Hi, > > I have a special hardware would like to integrate with FreeBSD. I most > probably need to write a driver for it. > As I look thru some device driver code, I found this function/macro _IOWR() > written in may places of the driver code. > Where can I find how does this macro/function defined in FreeBSD? http://fxr.watson.org/fxr/ident?i=_IOWR -- Maxim Konovalov