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Re: libata
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On Mon, Apr 02, 2007 at 11:00:10AM -0400, Russell wrote:
> Has anyone played around with the libata module before? I have a
> SATA drive hooked to a Silicon Image 3124 card and I can access the
> drive through the normal shell commands. I can fdisk, mkfs, mount
> and write/read the drive. So I know that all the pieces are in place
> from an electrical and OS/driver standpoint.
>
> Now I'm trying to write a program to send commands to the disk using
> the libata driver that is already installed and running. Does anyone
> know what function within libata.h or libata-core.c to use to probe
> the driver and find out what devices are registerred with it? I've
> tried a couple but I keep crashing my system.
There are a couple of old IDE ioctl()s ported over to libata, like
HDIO_DRIVE_CMD. The most powerful HDIO_DRIVE_TASKFILE is not
implemented, though. You could try SG_IO with ATA_16 to pass commands
to the drive. I haven't played with that yet, if you need more
information you need to ask on the linux-ide mailing list.
Erik
- --
They're all fools. Don't worry. Darwin may be slow, but he'll
eventually get them. -- Matthew Lammers in alt.sysadmin.recovery
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