ACK: [SRU][J:linux-bluefield][PATCH v1 0/1] UBUNTU: SAUCE: Add BF3 related ACPI config and Ring device creation code

Andrei Gherzan andrei.gherzan at canonical.com
Thu Apr 6 10:56:44 UTC 2023


On 23/04/05 02:41PM, shihyic wrote:
> BugLink: https://bugs.launchpad.net/bugs/2015292
> 
> SRU Justification
> 
> [Impact]
> Bluefield 3 ACPI/Window RAM configuration and related code is missing. This affects BF3 functionality w/ PKA Ring character devices being created correctly.
> 
> [Fix]
> * Added ACPI config and code to detect BF3 hardware and provision the Ring devices correctly.
> 
> [Test Case]
> * Tested on BF3 with mlxbf-pka module load and check the /dev/pka/<n> Ring char devices are created with correct number of entries.
> * Tested with "openssl speed -engine pka -async_jobs 8 rsa" and verified the performance number show the PKA acceleration in place.
> 
> [Potential Regression]
> * This fix has been tested with varieties of BF3: MB and HB cards.
> 
> shihyic (1):
>   Fixed Missing ACPI device info in mlxbf_pka module
> 
>  .../mellanox/mlxbf_pka/mlxbf_pka_config.h     |  9 +++++---
>  .../mellanox/mlxbf_pka/mlxbf_pka_drv.c        | 23 ++++++++++++++++---
>  2 files changed, 26 insertions(+), 6 deletions(-)
> 
> -- 
> 2.30.1
> 
> 
> -- 
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Acked-by: Andrei Gherzan <andrei.gherzan at canonical.com>

-- 
Andrei Gherzan
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