On Wed, Aug 13, 2025 at 03:43:20PM +0300, Leon Romanovsky wrote:
> From: Or Har-Toov <ohartoov@xxxxxxxxxx>
>
> Fix a bug where the driver's event subscription logic for SRQ-related
> events incorrectly sets obj_type for RMP objects.
>
> When subscribing to SRQ events, get_legacy_obj_type() did not handle
> the MLX5_CMD_OP_CREATE_RMP case, which caused obj_type to be 0
> (default).
> This led to a mismatch between the obj_type used during subscription
> (0) and the value used during notification (1, taken from the event's
> type field). As a result, event mapping for SRQ objects could fail and
> event notification would not be delivered correctly.
>
> This fix adds handling for MLX5_CMD_OP_CREATE_RMP in get_legacy_obj_type,
> returning MLX5_EVENT_QUEUE_TYPE_RQ so obj_type is consistent between
> subscription and notification.
>
> Fixes: 759738537142 ("IB/mlx5: Enable subscription for device events over DEVX")
> Signed-off-by: Or Har-Toov <ohartoov@xxxxxxxxxx>
> Reviewed-by: Edward Srouji <edwards@xxxxxxxxxx>
> Signed-off-by: Leon Romanovsky <leonro@xxxxxxxxxx>
> ---
> drivers/infiniband/hw/mlx5/devx.c | 1 +
> 1 file changed, 1 insertion(+)
Applied to for-next
Thanks,
Jason
