Date: Sun, 13 Mar 2005 15:17:35 -0700 (MST) From: "M. Warner Losh" <imp@bsdimp.com> To: sam.wun@authtec.com Cc: freebsd-current@freebsd.org Subject: Re: _IOWR Message-ID: <20050313.151735.46219536.imp@bsdimp.com> In-Reply-To: <4234849A.90505@authtec.com> References: <4234849A.90505@authtec.com>
next in thread | previous in thread | raw e-mail | index | archive | help
In message: <4234849A.90505@authtec.com>
sam wun <sam.wun@authtec.com> writes:
: 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?
sys/ioccom.h
Warner
Want to link to this message? Use this URL: <https://mail-archive.FreeBSD.org/cgi/mid.cgi?20050313.151735.46219536.imp>