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[v4,00/14] XIVE2 changes for TIMA operations

Message ID 20240913161659.1981-1-kowal@linux.ibm.com (mailing list archive)
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Series XIVE2 changes for TIMA operations | expand

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Mike Kowal Sept. 13, 2024, 4:16 p.m. UTC 
In XIVE Gen 2 there are many operations that were not modeled and are
needed for PowerVM.  These changes are associated with the following Thread
Interrupt Management Area subjects:
 - OS context
 - Thread context
 - Pulling contexts to 'cache lines'
 - Pool targets
 - Enhaced trace data for XIVE Gen2

version 4:
- fixed rebase error in patch set 9 xive2_cam_decode().  Complete changes
  for this are in patch set 10.
- version 3 reviewed tags:
  - added 10/14

version 3:
- moved some of ring functions from patch set 9 to 10
- version 2 reviewed-by tags:
$ b4 am 20240909211038.27440-1-kowal@linux.ibm.com
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Analyzing 23 messages in the thread
Looking for additional code-review trailers on lore.kernel.org
---
  [PATCH v2 1/14] pnv/xive: TIMA patch sets pre-req alignment and formatting changes
  [PATCH v2 2/14] pnv/xive2: Define OGEN field in the TIMA
  [PATCH v2 3/14] ppc/xive2: Support TIMA "Pull OS Context to Odd Thread Reporting Line"
    + Reviewed-by: Cédric Le Goater <clg@redhat.com>
  [PATCH v2 4/14] pnv/xive2: Support for "OS LGS Push" TIMA operation
  [PATCH v2 5/14] ppc/xive2: Dump more NVP state with 'info pic'
    + Reviewed-by: Cédric Le Goater <clg@redhat.com>
  [PATCH v2 6/14] ppc/xive2: Dump the VP-group and crowd tables with 'info pic'
    + Reviewed-by: Cédric Le Goater <clg@redhat.com>
  [PATCH v2 7/14] ppc/xive2: Allow 1-byte write of Target field in TIMA
  [PATCH v2 8/14] ppc/xive2: Support "Pull Thread Context to Register" operation
  [PATCH v2 9/14] ppc/xive2: Change context/ring specific functions to be generic
  [PATCH v2 10/14] ppc/xive2: Support "Pull Thread Context to Odd Thread Reporting Line"
  [PATCH v2 11/14] pnv/xive: Add special handling for pool targets
    + Reviewed-by: Cédric Le Goater <clg@redhat.com>
  [PATCH v2 12/14] pnv/xive: Update PIPR when updating CPPR
    + Reviewed-by: Cédric Le Goater <clg@redhat.com>
  [PATCH v2 13/14] pnv/xive2: TIMA support for 8-byte OS context push for PHYP
    + Reviewed-by: Cédric Le Goater <clg@redhat.com>
  [PATCH v2 14/14] pnv/xive2: TIMA CI ops using alternative offsets or byte lengths
    + Reviewed-by: Cédric Le Goater <clg@redhat.com>

version 2:
- use dma_memory_write() instead of cpu_physical_memory_write()
- use ternery operator in NVG/NVC pnv_xive2_vst_read/write()
- removed xive2_nvgc_set_backlog() until it is needed
- re-defined word 2 valid bits since it is the same in each Reporting
- provided better fix for possible NSR operation overflow
- moved changes for operations that can occur on ring, in a new patch set (10/13)
- version 1 reviewed-by tags:
$b4 am 20240801203008.11224-1-kowal@linux.ibm.com
Analyzing 35 messages in the thread
Analyzing 0 code-review messages
---
  [PATCH 1/13] pnv/xive: TIMA patch sets pre-req alignment and formatting changes
    + Reviewed-by: Cédric Le Goater <clg@redhat.com>
  [PATCH 2/13] pnv/xive2: Define OGEN field in the TIMA
    + Reviewed-by: Cédric Le Goater <clg@redhat.com>
  [PATCH 3/13] ppc/xive2: Support TIMA "Pull OS Context to Odd Thread Reporting Line"
  [PATCH 4/13] pnv/xive2: Support for "OS LGS Push" TIMA operation
    + Reviewed-by: Cédric Le Goater <clg@redhat.com>
  [PATCH 5/13] ppc/xive2: Dump more NVP state with 'info pic'
  [PATCH 6/13] ppc/xive2: Dump the VP-group and crowd tables with 'info pic'
  [PATCH 7/13] ppc/xive2: Allow 1-byte write of Target field in TIMA
    + Reviewed-by: Cédric Le Goater <clg@redhat.com>
  [PATCH 8/13] ppc/xive2: Support "Pull Thread Context to Register" operation
    + Reviewed-by: Cédric Le Goater <clg@redhat.com>
  [PATCH 9/13] ppc/xive2: Support "Pull Thread Context to Odd Thread Reporting Line"
  [PATCH 10/13] pnv/xive: Add special handling for pool targets
  [PATCH 11/13] pnv/xive: Update PIPR when updating CPPR
  [PATCH 12/13] pnv/xive2: TIMA support for 8-byte OS context push for PHYP
    + Reviewed-by: Cédric Le Goater <clg@redhat.com>
  [PATCH 13/13] pnv/xive2: TIMA CI ops using alternative offsets or byte lengths
    + Reviewed-by: Cédric Le Goater <clg@redhat.com>

Frederic Barrat (4):
  pnv/xive2: Define OGEN field in the TIMA
  ppc/xive2: Support TIMA "Pull OS Context to Odd Thread Reporting Line"
  ppc/xive2: Dump more NVP state with 'info pic'
  ppc/xive2: Dump the VP-group and crowd tables with 'info pic'


Frederic Barrat (4):
  pnv/xive2: Define OGEN field in the TIMA
  ppc/xive2: Support TIMA "Pull OS Context to Odd Thread Reporting Line"
  ppc/xive2: Dump more NVP state with 'info pic'
  ppc/xive2: Dump the VP-group and crowd tables with 'info pic'

Glenn Miles (7):
  pnv/xive2: Support for "OS LGS Push" TIMA operation
  ppc/xive2: Allow 1-byte write of Target field in TIMA
  ppc/xive2: Support "Pull Thread Context to Register" operation
  ppc/xive2: Support "Pull Thread Context to Odd Thread Reporting Line"
  pnv/xive: Add special handling for pool targets
  pnv/xive: Update PIPR when updating CPPR
  pnv/xive2: TIMA support for 8-byte OS context push for PHYP

Michael Kowal (3):
  pnv/xive: TIMA patch sets pre-req alignment and formatting changes
  ppc/xive2: Change context/ring specific functions to be generic
  pnv/xive2: TIMA CI ops using alternative offsets or byte lengths

 include/hw/ppc/xive.h       |   2 +-
 include/hw/ppc/xive2.h      |  18 ++
 include/hw/ppc/xive2_regs.h |  25 ++-
 include/hw/ppc/xive_regs.h  |  45 +++--
 hw/intc/pnv_xive2.c         |  44 ++++-
 hw/intc/xive.c              | 201 ++++++++++++++++++-----
 hw/intc/xive2.c             | 317 ++++++++++++++++++++++++++++++------
 7 files changed, 537 insertions(+), 115 deletions(-)

--
2.43.0

Comments

Cédric Le Goater Sept. 16, 2024, 10:35 a.m. UTC | #1 
Hello Michael,

On 9/13/24 18:16, Michael Kowal wrote:
> In XIVE Gen 2 there are many operations that were not modeled and are
> needed for PowerVM.  These changes are associated with the following Thread
> Interrupt Management Area subjects:
>   - OS context
>   - Thread context
>   - Pulling contexts to 'cache lines'
>   - Pool targets
>   - Enhaced trace data for XIVE Gen2
> 
> version 4:
> - fixed rebase error in patch set 9 xive2_cam_decode().  Complete changes
>    for this are in patch set 10.
> - version 3 reviewed tags:
>    - added 10/14

Thanks for respining.

Would you be ok to become a XIVE reviewer ? I think Frederic has moved
to other tasks within IBM and doesn't have much time anymore.

C.