From owner-freebsd-hackers Thu May 18 16:21:19 2000 Delivered-To: freebsd-hackers@freebsd.org Received: from mass.cdrom.com (adsl-63-206-88-224.dsl.snfc21.pacbell.net [63.206.88.224]) by hub.freebsd.org (Postfix) with ESMTP id 26D7B37BCD9 for ; Thu, 18 May 2000 16:21:03 -0700 (PDT) (envelope-from msmith@mass.cdrom.com) Received: from mass.cdrom.com (localhost [127.0.0.1]) by mass.cdrom.com (8.9.3/8.9.3) with ESMTP id QAA05537; Thu, 18 May 2000 16:22:04 -0700 (PDT) (envelope-from msmith@mass.cdrom.com) Message-Id: <200005182322.QAA05537@mass.cdrom.com> X-Mailer: exmh version 2.1.1 10/15/1999 To: Joy Ganguly Cc: freebsd-hackers Subject: Re: KVA to physical address In-reply-to: Your message of "Thu, 18 May 2000 18:20:06 EDT." <39246C96.58C509A0@falcon.niksun.com> Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii Date: Thu, 18 May 2000 16:22:04 -0700 From: Mike Smith Sender: owner-freebsd-hackers@FreeBSD.ORG Precedence: bulk X-Loop: FreeBSD.ORG > how to get a physical address from a kernel virtual address (the KVA is > obtained from contigmalloc() ) You don't. You probably need this for busmaster DMA; use the busdma interface instead. -- \\ Give a man a fish, and you feed him for a day. \\ Mike Smith \\ Tell him he should learn how to fish himself, \\ msmith@freebsd.org \\ and he'll hate you for a lifetime. \\ msmith@cdrom.com To Unsubscribe: send mail to majordomo@FreeBSD.org with "unsubscribe freebsd-hackers" in the body of the message