Public bug reported:

== Comment: #0 - Philippe Bergheaud  - 2018-04-09 09:15:22 ==
---Problem Description---
PCI and CAPI Tunneled operations for POWER9 do not operate
  
---uname output---
Linux zzfp088p01 4.16.0-rc7-00062-g0b41260-dirty #5 SMP Wed Apr 4 14:48:53 CEST 
2018 ppc64le ppc64le ppc64le GNU/Linux
 
---Additional Hardware Info---
POWER9 + CAPI card with MemCpy 2.0 Directed Mode AFU for PSL9 

 
Machine Type = power9 ppc64le 
 
---Debugger---
A debugger is not configured
 
---Steps to Reproduce---
 AFU sends as_notify message ; host thread does not wake up
 
Stack trace output:
 no
 
Oops output:
 no
 
System Dump Info:
  The system is not configured to capture a system dump.

== Comment: #1 - Philippe Bergheaud  - 2018-04-09 09:20:35 ==
The following mainline linux patches solve the issue:

https://github.com/torvalds/linux/commit/d6a90bb83b50 powerpc/powernv:
Enable tunneled operations

https://github.com/torvalds/linux/commit/9dbcbfa1fe0c cxl: read PHB
indications from the device tree

** Affects: ubuntu-power-systems
     Importance: High
     Assignee: Canonical Kernel Team (canonical-kernel-team)
         Status: Triaged

** Affects: linux (Ubuntu)
     Importance: Undecided
     Assignee: Ubuntu on IBM Power Systems Bug Triage (ubuntu-power-triage)
         Status: New


** Tags: architecture-ppc64le bugnameltc-166553 severity-medium 
targetmilestone-inin1804 triage-g

** Tags added: architecture-ppc64le bugnameltc-166553 severity-medium
targetmilestone-inin1804

** Changed in: ubuntu
     Assignee: (unassigned) => Ubuntu on IBM Power Systems Bug Triage 
(ubuntu-power-triage)

** Package changed: ubuntu => linux (Ubuntu)

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https://bugs.launchpad.net/bugs/1762448

Title:
  Enable Tunneled Operations on POWER9

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