[RFC PATCH v0 0/2] Support for H_REG_SNS hcall

[Bharata B Rao]

Add support for H_REG_SNS hcall which will be used by the guest
to make use of Expropriation/Subvention Notification option aka
asynchronous page fault support.

The kernel enablement patches are posted here:
https://lore.kernel.org/linuxppc-dev/20210805072439.501481-1-bharata@linux.ibm.com/T/#t

Bharata B Rao (2):
  spapr: Add H_REG_SNS hcall
  ppc,spapr: Handle KVM_EXIT_ESN

 hw/ppc/spapr.c                  |  3 ++
 hw/ppc/spapr_hcall.c            | 56 +++++++++++++++++++++++++++++++++
 include/hw/ppc/spapr.h          |  3 ++
 include/hw/ppc/spapr_irq.h      |  1 +
 linux-headers/asm-powerpc/kvm.h |  6 ++++
 linux-headers/linux/kvm.h       |  2 ++
 target/ppc/kvm.c                | 30 ++++++++++++++++++
 target/ppc/kvm_ppc.h            | 10 ++++++
 8 files changed, 111 insertions(+)

-- 
2.31.1