Re: [PATCH v4] ice: recap the VSI and QoS info after rebuild

[Simon Horman]

On Thu, Jan 29, 2026 at 12:00:26PM +0800, Aaron Ma wrote:
> Fix IRDMA hardware initialization timeout (-110) after resume by
> separating VSI-dependent configuration from RDMA resource allocation,
> ensuring VSI is rebuilt before IRDMA accesses it.
> 
> After resume from suspend, IRDMA hardware initialization fails:
>   ice: IRDMA hardware initialization FAILED init_state=4 status=-110
> 
> Separate RDMA initialization into two phases:
> 1. ice_init_rdma() - Allocate resources only (no VSI/QoS access, no plug)
> 2. ice_rdma_finalize_setup() - Assign VSI/QoS info and plug device
> 
> This allows:
> - ice_init_rdma() to stay in ice_resume() (mirrors ice_deinit_rdma()
>   in ice_suspend())
> - VSI assignment deferred until after ice_vsi_rebuild() completes
> - QoS info updated after ice_dcb_rebuild() completes
> - Device plugged only when control queues, VSI, and DCB are all ready
> 
> Fixes: bc69ad74867db ("ice: avoid IRQ collision to fix init failure on ACPI S3 resume")
> Reviewed-by: Aleksandr Loktionov <aleksandr.loktionov@xxxxxxxxx>
> Signed-off-by: Aaron Ma <aaron.ma@xxxxxxxxxxxxx>

Reviewed-by: Simon Horman <horms@xxxxxxxxxx>