The patchset corresponds to skiboot changes, which manages PCI slots in a unified way: OPAL APIs used to do slot reset, power management, presence status retrival. The patchset shouldn't be merged before the OPAL firmware counterpart is merged.
The kernel changes have been split into 2 parts: (A) Use the unified PCI slot reset OPAL API - this patchset; (B) Changes to rpaphp.ko to support PCI slot hotplug via sysfs entries for PowerPC PowerNV platform. This patchset affects EEH, PCI reset logics, which is used mainly by VFIO. A couple of cases have been tested out on P7/P8 boxes and looks good: EEH on PowerNV, EEH support for guest, PCI passthrou. Gavin Shan (5): powerpc/powernv: Use PCI slot reset infrastructure powerpc/powernv: Refactor ioda_eeh_reset() powerpc/powernv: Avoid do complete reset for twice powerpc/powernv: Issue fundamental reset if required powerpc/powernv: Drop opal_pci_reinit() arch/powerpc/include/asm/eeh.h | 2 +- arch/powerpc/include/asm/opal.h | 31 +--- arch/powerpc/kernel/eeh_pe.c | 3 - arch/powerpc/platforms/powernv/eeh-ioda.c | 230 ++++++++++++++----------- arch/powerpc/platforms/powernv/eeh-powernv.c | 24 +-- arch/powerpc/platforms/powernv/opal-wrappers.S | 1 - arch/powerpc/platforms/powernv/pci-ioda.c | 5 +- arch/powerpc/platforms/pseries/eeh_pseries.c | 3 +- 8 files changed, 139 insertions(+), 160 deletions(-) Thanks, Gavin _______________________________________________ Linuxppc-dev mailing list Linuxppc-dev@lists.ozlabs.org https://lists.ozlabs.org/listinfo/linuxppc-dev