APPLIED: [N/U] [PATCH 0/13] crypto: qat - improve recovery flows

[Andrea Righi]

On Thu, Mar 07, 2024 at 11:05:38PM +0100, Thibault Ferrante wrote:
> BugLink: https://bugs.launchpad.net/bugs/2056354
> 
> [Impact]
> 
> This set improves the error recovery flows in the QAT drivers and
> adds a mechanism to test it through an heartbeat simulator.
> 
> This is an upstream patch set applied to linux-next and scheduled for 6.9.
> 
> Link to the upstream submission:
> https://patchwork.kernel.org/project/linux-crypto/cover/20240202105324.50391-1-mun.chun.yep@intel.com/
> 
> We should apply this set to the Noble 6.8 kernel,
> in order to experience less issues with qat and improve maintainability.
> 
> An added commit is required to update the configuration.
> 
> [Test case]
> 
> Unload and reload the module to verify that qat recover
> and log issues properly. Use the added error injection mechanism
> to verify the recovery flow.
> 
> [Fix]
> 
> Apply the following commits (from linux-next):
> 2ecd43413d76 Documentation: qat: fix auto_reset section
> 7d42e097607c crypto: qat - resolve race condition during AER recovery
> c2304e1a0b80 crypto: qat - change SLAs cleanup flow at shutdown
> 9567d3dc7609 crypto: qat - improve aer error reset handling
> 750fa7c20e60 crypto: qat - limit heartbeat notifications
> f5419a4239af crypto: qat - add auto reset on error
> 2aaa1995a94a crypto: qat - add fatal error notification
> 4469f9b23468 crypto: qat - re-enable sriov after pf reset
> ec26f8e6c784 crypto: qat - update PFVF protocol for recovery
> 758a0087db98 crypto: qat - disable arbitration before reset
> ae508d7afb75 crypto: qat - add fatal error notify method
> e2b67859ab6e crypto: qat - add heartbeat error simulator
> 
> [Regression potential]
> 
> We may experience qat regression when crashing or restarting the module.

Applied to noble/linux and noble/linux-unstable.

Thanks!
-Andrea