Messages in this thread | | | Date | Mon, 8 Aug 2005 13:37:48 -0400 | From | Jeff Garzik <> | Subject | Re: [PATCH linux-2.6.13-rc3] SATA: rewritten sil24 driver |
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On Mon, Aug 08, 2005 at 10:31:45AM -0700, Carlos Pardo wrote: > One question. Do the open source driver support pass-through commands ? if so, how ? If you do not support it, are you planning to implement pass-through commands sometime in the future ?
I don't know about sata_sil24 in particular. In general, there is a patch in the "libata-dev.git" repository that supports ATA passthru, and this is scheduled to be merged into the main 2.6.x kernel as soon as some bugs are fixed.
sata_sil24 definitely needs to support this ATA passthru feature.
As implemented, each SATA driver is simply a generic ATA command engine, for any command. struct ata_taskfile (linux/ata.h) has a field that indicates the command protocol used for command delivery (pio, dma, no-data, etc.). Each driver should execute ATA commands based on the specified ATA protocol.
Jeff
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