[T10] Difficulty forming an ATA PASS-THROUGH(12) for READ_SECTOR(S)
James C Hatfield
james.c.hatfield at seagate.com
Fri May 31 09:15:27 PDT 2019
Aaron,
I think I can assist.
Please send me a copy of all parameters you are using for the ATA
PASS-THROUGH(12) command and for the READ SECTOR(s) command you are
attempting to transport.
Thank You !!!
-----------------------------------------------------------------
Jim Hatfield
Seagate Technology LLC
e-mail: James.C.Hatfield at seagate.com
s-mail: 389 Disc Drive; Longmont, CO 80503 USA
voice: 720-684-2120
fax....: 720-684-2711
cell...: 720-771-8914
On Thu, May 30, 2019 at 2:09 PM Aaron Bufkin <bufkin at marvell.com> wrote:
> Hi,
>
>
>
> I am trying to create a proper ATA PASS-THROUGH(12) packet with a SATA
> READ_SECTOR(S) command. I am using the sg_raw tool. I am able to create a
> WRITE_SECTOR(S) command and read back the data with a READ_DMA command. My
> READ_SECTOR(S) packet is identical to the WRITE_SECTOR(S) packet with the
> exceptions of the T_DIR bit, COMMAND field (20h for the read, 30h for the
> write), and the PROTOCOL (PIO Data-In vs PIO Data-Out). Does this sound
> like the correct approach?
>
>
>
> Regards,
>
> Aaron
>
>
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