Date: Fri, 5 Sep 2003 12:39:08 -0500 From: Samuel Kesterson <skesterson@travelnow.com> To: Mike Tancsa <mike@sentex.net> Cc: freebsd-stable@freebsd.org Subject: Re: HEADS UP: ATA bus dma code MFC'd Message-ID: <20030905123908.41f9f5b1.skesterson@travelnow.com> In-Reply-To: <5.2.0.9.0.20030905130212.0541a730@209.112.4.2> References: <5.2.0.9.0.20030905074316.03acc028@209.112.4.2> <AHEKICEOIHLOGINAFIINIEEOCBAA.lchen@briontech.com> <5.2.0.9.0.20030905074316.03acc028@209.112.4.2> <5.2.0.9.0.20030905130212.0541a730@209.112.4.2>
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On Fri, 05 Sep 2003 13:04:02 -0400 Mike Tancsa <mike@sentex.net> wrote: > At 11:54 AM 05/09/2003 -0500, Samuel Kesterson wrote: > >On Fri, 05 Sep 2003 07:56:30 -0400 > >Mike Tancsa <mike@sentex.net> wrote: > > > > > Hi, > > > A naive question, but what does the bus DMA code do in STABLE ? > > > > > > ---Mike > > > > > > > Enables DMA on the ATA bus of course ;) > > How is that different from what was there before ? > > smtp2# sysctl -a | grep -i ata > acceptable here > hw.ata.ata_dma: 1 > hw.ata.wc: 1 > hw.ata.tags: 0 > > smtp2# atacontrol cap 0 0 > ATA channel 0, Master, device ad0: > > ATA/ATAPI revision 6 > device model ST340014A > serial number 5JV0RSVN > firmware revision 3.54 > cylinders 16383 > heads 16 > sectors/track 63 > lba supported 78165360 sectors > lba48 supported 78165360 sectors > dma supported > > See for yourself. http://www.freebsd.org/cgi/cvsweb.cgi/src/sys/dev/ata/?only_with_tag=RELENG_4 -- -------------------------- Samuel Kesterson skesterson@travelnow.com --------------------------
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