Tag Command Queuing for SCSI devices in FreeBSD

Adrian Chadd adrian at freebsd.org
Thu Nov 20 22:42:39 UTC 2014


Please ask this on freebsd-fs at freebsd.org. You're more likely to reach
the right developers who can answer CAM questions.



On 18 November 2014 22:02, Sibananda Sahu <sibananda.sahu at avagotech.com> wrote:
> Hi All,
> I just wanted to know if we have something in FreeBSD for the Tag Command
> Queuing support in our CAM mid layer as in linux:
> http://lwn.net/Articles/2297/
> My primary question is:
> Is there anything in the struct cam_sim or in the union ccb that uses a
> tag or some sort of index per I/O transaction so that I can re-use in my
> HBA driver???
> Thanks,
> Sibananda Sahu
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