[PATCH rdma-next 4/4] nvme-rdma: add more error details when a QP moves to an error state

[Leon Romanovsky]

On Wed, Sep 07, 2022 at 02:02:00PM +0200, Christoph Hellwig wrote:
> On Wed, Sep 07, 2022 at 02:38:00PM +0300, Patrisious Haddad wrote:
> > From: Israel Rukshin <israelr at nvidia.com>
> > 
> > Add debug prints for fatal QP events that are helpful for finding the
> > root cause of the errors. The ib_get_qp_err_syndrome is called at
> > a work queue since the QP event callback is running on an
> > interrupt context that can't sleep.
> 
> What an awkward interface.  What prevents us from allowing 
> ib_get_qp_err_syndrome to be called from arbitrary calling contexts,
> or even better just delivering the error directly as part of the
> event?

We need to call to our FW through command interface and unfortunately it
is not possible to do in atomic context.

Thanks