lkml.org 
[lkml]   [2015]   [Nov]   [14]   [last100]   RSS Feed
Views: [wrap][no wrap]   [headers]  [forward] 
 
Messages in this thread
/
Date
From
SubjectRe: [PATCH 3/9] IB: add a helper to safely drain a QP
On Fri, Nov 13, 2015 at 10:16:04AM -0600, Steve Wise wrote:
> So how can we do this for iwarp? It seems like all that might be needed is
> to modify the QP state to idle, retrying until it succeeds:
>
> If the QP is transitioning to the Error state, or has not yet
> finished flushing the Work Queues, a Modify QP request to transition
> to the IDLE state MUST fail with an Immediate Error. If none of the
> prior conditions are true, a Modify QP to the Idle state MUST take
> the QP to the Idle state. No other state transitions out of Error
> are supported. Any attempt to transition the QP to a state other
> than Idle MUST result in an Immediate Error.

Can you try to write up some code for this? We could then wire it up
in the common helper.


\
 
 \ /
  Last update: 2015-11-14 08:21    [W:0.217 / U:0.048 seconds]
©2003-2020 Jasper Spaans|hosted at Digital Ocean and TransIP|Read the blog|Advertise on this site