On 10/24/2012 6:31 AM, Vipul Pandya wrote:
Hi All,
As many of us might be aware that kernel.org maintains a separate repo for the
adapter firmware. Chelsio keeps updating its latest firmware to this repo. For
our T3 and T4 adapter's robust functionality and for ease of use for the
customer, we would like to request OFED maintainers to update OFED package with
kernel.org's firmware repository.
Latest RHEL distros already follows this practice. i.e. they take the firmwares
from the Linux's
http://git.kernel.org/?p=linux/kernel/git/dwmw2/linux-firmware.git;a=summary
repo and embeds them in their RPMs. Thus when RHEL distro gets installed
firmware binary gets copied in the fixed location. For example on RHEL 6.3
distro Chelsio's T4 firmware binary gets copied to /lib/firmware/cxgb4/t4fw.bin
location when kernel-firmware-2.6.32-279.el6.noarch rpm gets installed. Then
when our driver gets loaded it checks this fixed location and if there is a
newer firmware present there then driver will load that firmware on the
adapter. We would like similar mechanism in OFED package as well. Right now
customer has to manually copy the latest firmware to /lib/firmware/cxgb4/
directory in order to upgrade the firmware.
We would like to request this to happen with OFED-3.5 GA. Please let us know
your views.
Thanks,
Vipul Pandya
OFED should provide this. For the cxgb3 OFED driver, we bound the
firmware into a header file included in the cxgb3 driver. But going
forward, I think we should model OFED like other distros and simply
create an rpm for firmware. We could have a single rpm, or one per
device, but I prefer a single kernel-firmware rpm ala RHEL.
Steve.
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