Firmware-Assisted Dump (FADump) is currently supported only on pseries platform. This patch series adds support for powernv platform too.
The first two patches refactor the FADump code to make use of common code across multiple platforms. The third patch adds basic FADump support to powernv platform. The next patch processes state data provided by f/w and adds core notes to core file. The last patch adds support to export opalcore. This is to make debugging of failures in opal code easier. The patch series is tested with a few workarounds in firmware and kernel as the full and final firmware support is currently being worked on. The below skiboot patch series adds the relevant OPAL changes: http://patchwork.ozlabs.org/project/skiboot/list/?series=42576 --- Hari Bathini (5): powerpc/fadump: move internal fadump code to a new file pseries/fadump: move out platform specific support from generic code powerpc/fadump: enable fadump support on powernv platform powerpc/fadump: process architected register state data provided by firmware powerpc/powernv: export /proc/opaldump for analysing opal crashes arch/powerpc/Kconfig | 2 arch/powerpc/include/asm/fadump.h | 185 ---- arch/powerpc/include/asm/opal-api.h | 4 arch/powerpc/include/asm/opal.h | 1 arch/powerpc/kernel/Makefile | 2 arch/powerpc/kernel/fadump.c | 1111 +++++++++-------------- arch/powerpc/kernel/fadump_internal.c | 194 ++++ arch/powerpc/kernel/fadump_internal.h | 197 ++++ arch/powerpc/platforms/powernv/Makefile | 1 arch/powerpc/platforms/powernv/opal-wrappers.S | 1 arch/powerpc/platforms/powernv/opalcore.c | 282 ++++++ arch/powerpc/platforms/powernv/opalcore.h | 28 + arch/powerpc/platforms/powernv/powernv_fadump.c | 503 ++++++++++ arch/powerpc/platforms/powernv/powernv_fadump.h | 72 + arch/powerpc/platforms/pseries/Makefile | 1 arch/powerpc/platforms/pseries/pseries_fadump.c | 532 +++++++++++ arch/powerpc/platforms/pseries/pseries_fadump.h | 96 ++ 17 files changed, 2335 insertions(+), 877 deletions(-) create mode 100644 arch/powerpc/kernel/fadump_internal.c create mode 100644 arch/powerpc/kernel/fadump_internal.h create mode 100644 arch/powerpc/platforms/powernv/opalcore.c create mode 100644 arch/powerpc/platforms/powernv/opalcore.h create mode 100644 arch/powerpc/platforms/powernv/powernv_fadump.c create mode 100644 arch/powerpc/platforms/powernv/powernv_fadump.h create mode 100644 arch/powerpc/platforms/pseries/pseries_fadump.c create mode 100644 arch/powerpc/platforms/pseries/pseries_fadump.h -- Signature