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* [PATCH v5 00/31] Add FADump support on PowerNV platform
@ 2019-08-20 12:04 Hari Bathini
  2019-08-20 12:04 ` [PATCH v5 01/31] powerpc/fadump: move internal macros/definitions to a new header Hari Bathini
                   ` (30 more replies)
  0 siblings, 31 replies; 74+ messages in thread
From: Hari Bathini @ 2019-08-20 12:04 UTC (permalink / raw)
  To: linuxppc-dev
  Cc: Ananth N Mavinakayanahalli, Mahesh J Salgaonkar, Vasant Hegde,
	Oliver, Nicholas Piggin, Daniel Axtens

Firmware-Assisted Dump (FADump) is currently supported only on pSeries
platform. This patch series adds support for PowerNV platform too.

The first few patches refactor the FADump code to make use of common
code across multiple platforms. Then basic FADump support is added for
PowerNV platform. Followed by patches to honour reserved-ranges DT node
while reserving/releasing memory used by FADump. The subsequent patch
processes CPU state data provided by firmware to create and append core
notes to the ELF core file and the next patch adds support to preserve
crash data for subsequent boots (useful in cases like petitboot). The
subsequent patches add support to export opalcore. opalcore makes
debugging of failures in OPAL code easier. Firmware-Assisted Dump
documentation is also updated appropriately.

The patch series is tested with the latest firmware plus the below skiboot
changes, accepted upstream recently, for MPIPL support:

    https://patchwork.ozlabs.org/project/skiboot/list/?series=119169
    ("MPIPL support")


Changes in v5:
  * Split the patches further.
  * Rebased to latest upstream kernel version.
  * Updated the patches based on discussions with mahesh on V4.

---

Hari Bathini (31):
      powerpc/fadump: move internal macros/definitions to a new header
      powerpc/fadump: move internal code to a new file
      powerpc/fadump: Improve fadump documentation
      pseries/fadump: move rtas specific definitions to platform code
      pseries/fadump: introduce callbacks for platform specific operations
      pseries/fadump: define register/un-register callback functions
      powerpc/fadump: release all the memory above boot memory size
      pseries/fadump: move out platform specific support from generic code
      powerpc/fadump: use FADump instead of fadump for how it is pronounced
      opal: add MPIPL interface definitions
      powernv/fadump: add fadump support on powernv
      powernv/fadump: register kernel metadata address with opal
      powernv/fadump: reset metadata address during clean up
      powernv/fadump: define register/un-register callback functions
      powernv/fadump: support copying multiple kernel boot memory regions
      powernv/fadump: process the crashdump by exporting it as /proc/vmcore
      powernv/fadump: Warn before processing partial crashdump
      powernv/fadump: handle invalidation of crashdump and re-registraion
      powerpc/fadump: Update documentation about OPAL platform support
      powerpc/fadump: use smaller offset while finding memory for reservation
      powernv/fadump: process architected register state data provided by firmware
      powerpc/fadump: make crash memory ranges array allocation generic
      powerpc/fadump: consider reserved ranges while releasing memory
      powerpc/fadump: improve how crashed kernel's memory is reserved
      powernv/fadump: add support to preserve crash data on FADUMP disabled kernel
      powerpc/fadump: update documentation about CONFIG_PRESERVE_FA_DUMP
      powernv/opalcore: export /sys/firmware/opal/core for analysing opal crashes
      powernv/opalcore: provide an option to invalidate /sys/firmware/opal/core file
      powerpc/fadump: consider f/w load area
      powernv/fadump: update documentation about option to release opalcore
      powernv/fadump: support holes in kernel boot memory area


 Documentation/powerpc/firmware-assisted-dump.rst |  204 ++--
 arch/powerpc/Kconfig                             |   23 
 arch/powerpc/include/asm/fadump.h                |  190 ---
 arch/powerpc/include/asm/opal-api.h              |   50 +
 arch/powerpc/include/asm/opal.h                  |    6 
 arch/powerpc/kernel/Makefile                     |    6 
 arch/powerpc/kernel/fadump-common.c              |  149 +++
 arch/powerpc/kernel/fadump-common.h              |  192 +++
 arch/powerpc/kernel/fadump.c                     | 1272 ++++++++--------------
 arch/powerpc/kernel/prom.c                       |    4 
 arch/powerpc/platforms/powernv/Makefile          |    3 
 arch/powerpc/platforms/powernv/opal-call.c       |    3 
 arch/powerpc/platforms/powernv/opal-core.c       |  633 +++++++++++
 arch/powerpc/platforms/powernv/opal-fadump.c     |  715 ++++++++++++
 arch/powerpc/platforms/powernv/opal-fadump.h     |  148 +++
 arch/powerpc/platforms/pseries/Makefile          |    1 
 arch/powerpc/platforms/pseries/rtas-fadump.c     |  593 ++++++++++
 arch/powerpc/platforms/pseries/rtas-fadump.h     |  117 ++
 18 files changed, 3267 insertions(+), 1042 deletions(-)
 create mode 100644 arch/powerpc/kernel/fadump-common.c
 create mode 100644 arch/powerpc/kernel/fadump-common.h
 create mode 100644 arch/powerpc/platforms/powernv/opal-core.c
 create mode 100644 arch/powerpc/platforms/powernv/opal-fadump.c
 create mode 100644 arch/powerpc/platforms/powernv/opal-fadump.h
 create mode 100644 arch/powerpc/platforms/pseries/rtas-fadump.c
 create mode 100644 arch/powerpc/platforms/pseries/rtas-fadump.h


^ permalink raw reply	[flat|nested] 74+ messages in thread

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Thread overview: 74+ messages (download: mbox.gz / follow: Atom feed)
-- links below jump to the message on this page --
2019-08-20 12:04 [PATCH v5 00/31] Add FADump support on PowerNV platform Hari Bathini
2019-08-20 12:04 ` [PATCH v5 01/31] powerpc/fadump: move internal macros/definitions to a new header Hari Bathini
2019-09-03 11:09   ` Michael Ellerman
2019-09-03 16:05     ` Hari Bathini
2019-08-20 12:04 ` [PATCH v5 02/31] powerpc/fadump: move internal code to a new file Hari Bathini
2019-09-03 11:09   ` Michael Ellerman
2019-09-03 16:05     ` Hari Bathini
2019-09-04  9:02       ` Mahesh Jagannath Salgaonkar
2019-09-04 18:26         ` Hari Bathini
2019-08-20 12:04 ` [PATCH v5 03/31] powerpc/fadump: Improve fadump documentation Hari Bathini
2019-08-20 12:04 ` [PATCH v5 04/31] pseries/fadump: move rtas specific definitions to platform code Hari Bathini
2019-08-20 12:04 ` [PATCH v5 05/31] pseries/fadump: introduce callbacks for platform specific operations Hari Bathini
2019-09-03 11:10   ` Michael Ellerman
2019-09-03 16:06     ` Hari Bathini
2019-09-06  6:39       ` Hari Bathini
2019-08-20 12:04 ` [PATCH v5 06/31] pseries/fadump: define register/un-register callback functions Hari Bathini
2019-09-03 11:10   ` Michael Ellerman
2019-09-03 17:15     ` Hari Bathini
2019-08-20 12:04 ` [PATCH v5 07/31] powerpc/fadump: release all the memory above boot memory size Hari Bathini
2019-09-03 11:10   ` Michael Ellerman
2019-09-03 16:27     ` Hari Bathini
2019-08-20 12:05 ` [PATCH v5 08/31] pseries/fadump: move out platform specific support from generic code Hari Bathini
2019-08-20 12:05 ` [PATCH v5 09/31] powerpc/fadump: use FADump instead of fadump for how it is pronounced Hari Bathini
2019-08-20 12:05 ` [PATCH v5 10/31] opal: add MPIPL interface definitions Hari Bathini
2019-09-03 11:10   ` Michael Ellerman
2019-09-03 16:28     ` Hari Bathini
2019-09-04 11:03       ` Michael Ellerman
2019-09-04 11:05   ` Michael Ellerman
2019-08-20 12:05 ` [PATCH v5 11/31] powernv/fadump: add fadump support on powernv Hari Bathini
2019-09-03 11:10   ` Michael Ellerman
2019-09-03 16:31     ` Hari Bathini
2019-09-04 14:33       ` Hari Bathini
2019-09-05  3:11         ` Michael Ellerman
2019-08-20 12:05 ` [PATCH v5 12/31] powernv/fadump: register kernel metadata address with opal Hari Bathini
2019-09-04 11:25   ` Michael Ellerman
2019-08-20 12:05 ` [PATCH v5 13/31] powernv/fadump: reset metadata address during clean up Hari Bathini
2019-08-27 12:00   ` Hari Bathini
2019-08-20 12:05 ` [PATCH v5 14/31] powernv/fadump: define register/un-register callback functions Hari Bathini
2019-09-05  4:15   ` Michael Ellerman
2019-09-05  7:23   ` Michael Ellerman
2019-09-05  9:54     ` Hari Bathini
2019-08-20 12:05 ` [PATCH v5 15/31] powernv/fadump: support copying multiple kernel boot memory regions Hari Bathini
2019-09-04 11:30   ` Michael Ellerman
2019-09-04 20:20     ` Hari Bathini
2019-09-05  3:13       ` Michael Ellerman
2019-08-20 12:06 ` [PATCH v5 16/31] powernv/fadump: process the crashdump by exporting it as /proc/vmcore Hari Bathini
2019-09-04 11:42   ` Michael Ellerman
2019-09-04 21:01     ` Hari Bathini
2019-08-20 12:06 ` [PATCH v5 17/31] powernv/fadump: Warn before processing partial crashdump Hari Bathini
2019-09-04 11:48   ` Michael Ellerman
2019-08-20 12:06 ` [PATCH v5 18/31] powernv/fadump: handle invalidation of crashdump and re-registraion Hari Bathini
2019-08-20 12:06 ` [PATCH v5 19/31] powerpc/fadump: Update documentation about OPAL platform support Hari Bathini
2019-09-04 11:51   ` Michael Ellerman
2019-09-04 12:08     ` Oliver O'Halloran
2019-09-05  3:15       ` Michael Ellerman
2019-08-20 12:06 ` [PATCH v5 20/31] powerpc/fadump: use smaller offset while finding memory for reservation Hari Bathini
2019-09-04 11:54   ` Michael Ellerman
2019-08-20 12:06 ` [PATCH v5 21/31] powernv/fadump: process architected register state data provided by firmware Hari Bathini
2019-09-04 12:20   ` Michael Ellerman
2019-09-09 13:23     ` Hari Bathini
2019-09-09 15:33       ` Oliver O'Halloran
2019-09-10  8:48         ` Hari Bathini
2019-09-10 14:05           ` Michael Ellerman
2019-09-10 16:10             ` Hari Bathini
2019-08-20 12:06 ` [PATCH v5 22/31] powerpc/fadump: make crash memory ranges array allocation generic Hari Bathini
2019-08-20 12:06 ` [PATCH v5 23/31] powerpc/fadump: consider reserved ranges while releasing memory Hari Bathini
2019-08-20 12:07 ` [PATCH v5 24/31] powerpc/fadump: improve how crashed kernel's memory is reserved Hari Bathini
2019-08-20 12:07 ` [PATCH v5 25/31] powernv/fadump: add support to preserve crash data on FADUMP disabled kernel Hari Bathini
2019-08-20 12:07 ` [PATCH v5 26/31] powerpc/fadump: update documentation about CONFIG_PRESERVE_FA_DUMP Hari Bathini
2019-08-20 12:07 ` [PATCH v5 27/31] powernv/opalcore: export /sys/firmware/opal/core for analysing opal crashes Hari Bathini
2019-08-20 12:07 ` [PATCH v5 28/31] powernv/opalcore: provide an option to invalidate /sys/firmware/opal/core file Hari Bathini
2019-08-20 12:07 ` [PATCH v5 29/31] powerpc/fadump: consider f/w load area Hari Bathini
2019-08-20 12:07 ` [PATCH v5 30/31] powernv/fadump: update documentation about option to release opalcore Hari Bathini
2019-08-20 12:07 ` [PATCH v5 31/31] powernv/fadump: support holes in kernel boot memory area Hari Bathini

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