Accessing static drive info w/o ATA identify and lockup with camcontrol identify

[Ravi Pokala]

-----Original Message-----


From: <asomers at gmail.com> on behalf of Alan Somers <asomers at freebsd.org>
Date: 2015-12-10, Thursday at 08:15
To: Ravi Pokala <rpokala at panasas.com>
Cc: Kevin Bowling <kevin.bowling at kev009.com>, Ravi Pokala <rpokala at mac.com>, "freebsd-scsi at freebsd.org" <freebsd-scsi at freebsd.org>
Subject: Re: Accessing static drive info w/o ATA identify and lockup with camcontrol identify

>On Thu, Dec 10, 2015 at 9:10 AM, Pokala, Ravi <rpokala at panasas.com> wrote:
>>Interesting. I never noticed that firmware wasn't already included in "struct disk", like drive model and serial number already are. It should be trivial to add, but keeping a copy of the string will of course make "struct disk" larger. That might have implications on KBI compatibility for out-of-tree drivers...? Again, I'm not sure.
>
>
>This information is already perserved in CAM, if not in GEOM.  For
>SCSI disks, look at (struct cam_device).inq_data.revision.  For ATA
>disks, look at (struct ccb_getdev).ident_data.revision.

Right, but it sounded like Kevin was looking for a way to get this from userland. That means through something like `geom disk list' (or the raw XML from which that is parsed).

-Ravi