Date: Mon, 22 May 2000 10:20:13 -0400 (EDT) From: Andrew Reiter <s467338@gettysburg.edu> To: "G.B.Naidu" <gbnaidu@sasi.com> Cc: freebsd-hackers@FreeBSD.ORG Subject: Re: Device driver requirement... Message-ID: <Pine.GSO.3.96.1000522101905.20285A-100000@jupiter2> In-Reply-To: <Pine.GSO.4.10.10005221219050.28260-100000@sund6.sasi.com>
next in thread | previous in thread | raw e-mail | index | archive | help
Quick note... in my tutorial on writing KLD's, it will include a section on an example character device skeleton. 3 of 5 sections are complete in this tutorial... so I suspect that son I will release it publically. Andrew On Mon, 22 May 2000, G.B.Naidu wrote: | |Hi, | |I would like to know about the device drivre development. I know the basic |concepts behind a device driver. But haven't written a driver my self. But |now time has come for me to do that. | |I need to develop a device driver for a ethernet switch/hub. So I would |like to have some clarifications: | |1. How much effort it takes for a real device driver to be written? |Please provide a realistic estimate. I guess somebody might have written |some commercial device drivres. | |2. What all information do I need to design a device driver? I have the |data sheets of the product available from the net. Anything else I need? | |3. How do I decide whether a driver has to be block device or character |device? | |4. I went through the two documents posted on the list about newbus. Is it |mandatory that one has to use newbus architecture from FreeBSD 4.0 |onwards? Frankly speaking I didnt understand much of the documents. | |5. I would like to know where I can get the small driver written by Warner |Losh? | |6. Any other info on device drivers for freeBSD other than these two |documents posted on the list? I checked in the handbook but there seems |nothing on device drivres. | | |thanks in advance |--gb | | | | | |To Unsubscribe: send mail to majordomo@FreeBSD.org |with "unsubscribe freebsd-hackers" in the body of the message | --------------------------------------------------------- Andrew Reiter <s467338@gettysburg.edu> Computer Security Engineer To Unsubscribe: send mail to majordomo@FreeBSD.org with "unsubscribe freebsd-hackers" in the body of the message
Want to link to this message? Use this URL: <https://mail-archive.FreeBSD.org/cgi/mid.cgi?Pine.GSO.3.96.1000522101905.20285A-100000>