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[v5,0/5] ibmvfc: hard reset fixes

Message ID 20210302230543.9905-1-tyreld@linux.ibm.com (mailing list archive)
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Series ibmvfc: hard reset fixes | expand

Message

Tyrel Datwyler March 2, 2021, 11:05 p.m. UTC 
This series contains a minor simplification of ibmvfc_init_sub_crqs() followed
by a couple fixes for sub-CRQ handling which effect hard reset of the
client/host adapter CRQ pair.

changes in v5:
Patches 2-5: Corrected upstream commit ids for Fixes: tags

changes in v4:
Patch 2: dropped Reviewed-by tag and moved sub-crq init to after locked region
Patch 5: moved sub-crq init to after locked region

changes in v3:
* Patch 1 & 5: moved ibmvfc_init_sub_crqs out of locked patch

changes in v2:
* added Reviewed-by tags for patches 1-3
* Patch 4: use rtas_busy_delay to test rc and delay correct amount of time
* Patch 5: (new) similar fix for LPM case where CRQ pair needs re-enablement

Tyrel Datwyler (5):
  powerpc/pseries: extract host bridge from pci_bus prior to bus removal
  ibmvfc: simplify handling of sub-CRQ initialization
  ibmvfc: fix invalid sub-CRQ handles after hard reset
  ibmvfc: treat H_CLOSED as success during sub-CRQ registration
  ibmvfc: store return code of H_FREE_SUB_CRQ during cleanup

 arch/powerpc/platforms/pseries/pci_dlpar.c |  4 +-
 drivers/scsi/ibmvscsi/ibmvfc.c             | 49 ++++++++++------------
 2 files changed, 26 insertions(+), 27 deletions(-)

Comments

Martin K. Petersen March 4, 2021, 4:16 a.m. UTC | #1 
On Tue, 2 Mar 2021 17:05:38 -0600, Tyrel Datwyler wrote:

> This series contains a minor simplification of ibmvfc_init_sub_crqs() followed
> by a couple fixes for sub-CRQ handling which effect hard reset of the
> client/host adapter CRQ pair.
> 
> changes in v5:
> Patches 2-5: Corrected upstream commit ids for Fixes: tags
> 
> [...]

Applied to 5.12/scsi-fixes, thanks!

[1/5] ibmvfc: simplify handling of sub-CRQ initialization
      https://git.kernel.org/mkp/scsi/c/2e415356fd6f
[2/5] ibmvfc: fix invalid sub-CRQ handles after hard reset
      https://git.kernel.org/mkp/scsi/c/2de4c19179b1
[3/5] ibmvfc: treat H_CLOSED as success during sub-CRQ registration
      https://git.kernel.org/mkp/scsi/c/98cf9a92b8d6
[4/5] ibmvfc: store return code of H_FREE_SUB_CRQ during cleanup
      https://git.kernel.org/mkp/scsi/c/5bc26ea9498a
[5/5] ibmvfc: reinitialize sub-CRQs and perform channel enquiry after LPM
      https://git.kernel.org/mkp/scsi/c/f4c5e949056d