Messages in this thread | | | Date | Thu, 24 Aug 2006 12:40:12 -0700 (PDT) | From | Aleksey Gorelov <> | Subject | RE: Generic Disk Driver in Linux |
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--- Arjan van de Ven <arjan@infradead.org> wrote:
> On Thu, 2006-08-24 at 11:19 -0700, Aleksey Gorelov wrote: > > >From: linux-kernel-owner@vger.kernel.org > > >[mailto:linux-kernel-owner@vger.kernel.org] On Behalf Of Jan Engelhardt > > >> > > >> I was curious that can we develop a generic disk driver that could > > >> handle all the kinds of hard drives - IDE, SCSI, RAID et al? > > > > > >ide_generic > > >sd_mod > > > > > >All there, what more do you want? > > > > Unfortunately, not _all_. DMRAID does not support all fake raids yet. > > Hi, > > it'll be easier and quicker to rev engineer 5 more formats than it will > be to get the bios thing working ;) And the performance of the bios probably true - I'm actually not great fan of originally proposed approach. But, unfortunately, manufactures and vendors still look more to MS. Until market situation changes, there is always a gap...
> thing will be really really bad... (hint: real mode can access only 1Mb > of memory, so you will bounce buffer all IO's) This is true for non-dma case only. As I already mentioned before, most BIOSes support dma, and there is no 1Mb limit for that (at least on modern hw).
Aleks.
> > Greetings, > Arjan van de Ven >
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