Date: Tue, 11 Apr 2000 22:57:42 -0600 From: Warner Losh <imp@village.org> To: Mike Smith <msmith@freebsd.org> Cc: freebsd-hackers@freebsd.org Subject: Re: PCI DMA Questions Message-ID: <200004120457.WAA35326@harmony.village.org> In-Reply-To: Your message of "Tue, 11 Apr 2000 21:44:10 PDT." <200004120444.VAA00544@mass.cdrom.com> References: <200004120444.VAA00544@mass.cdrom.com>
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In message <200004120444.VAA00544@mass.cdrom.com> Mike Smith writes: : Make sure that the busmaster bit is set in the PCI command register: Good advice. However, that wasn't my problem :-(. : Not to bounce too much, but you may find the examples in the amr and mlx : drivers easier to follow (maybe not, too). I forgot who I stole them : from though - probably Jonathan's ida code. This isn't your problem : though. OK. I'll take a look. The ahc driver makes very sophisticated use of dma, so maybe I botched something there. Warner To Unsubscribe: send mail to majordomo@FreeBSD.org with "unsubscribe freebsd-hackers" in the body of the message
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