Date: Thu, 24 May 2001 20:06:02 -0600 From: Warner Losh <imp@village.org> To: Alexander Langer <alex@big.endian.de> Cc: SJ <sandejain@rocketmail.com>, freebsd-questions@FreeBSD.ORG, freebsd-hackers@FreeBSD.ORG Subject: Re: Device driver questions Message-ID: <200105250206.f4P262l39959@billy-club.village.org> In-Reply-To: Your message of "Wed, 23 May 2001 08:58:57 %2B0200." <20010523085857.B1103@zerogravity.kawo2.rwth-aachen.d> References: <20010523085857.B1103@zerogravity.kawo2.rwth-aachen.d> <20010523003414.51600.qmail@web13405.mail.yahoo.com>
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In message <20010523085857.B1103@zerogravity.kawo2.rwth-aachen.d> Alexander Langer writes: : Thus spake SJ (sandejain@rocketmail.com): : : Hi! : : > 1. "ioconf.c" contains struct config_resource and : > config_device definitions for declarations in : > "config" file. But I noticed that for some devices : > e.g. device atadisk : > device atapicd : > ... : > the corresponding lines in ioconf.c are missing?? : : I think it's because ata is a self-identifying bus. : Not sure, though. Are any PCI-only devices listed? That's because that is handled in two ways. One is by the hints mechanism. The other is by the DRIVER_MODULE at the end of the driver. : > 3. File naming question: : > whats the reasoning behind having "bus.h" and : > "bus_private.h"....whats the significance of : > "private" here. : : drivers include bus.h, kernel does also include bus_private.h bus_private.h contains stuff that you should consider to be 100% hands off. Warner To Unsubscribe: send mail to majordomo@FreeBSD.org with "unsubscribe freebsd-hackers" in the body of the message
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