[Xen-devel] [PATCH v2 00/11] PVH VCPU hotplug support

[Boris Ostrovsky <boris.ostrovsky@xxxxxxxxxx>]

This series adds support for ACPI-based VCPU hotplug for unprivileged
PVH guests.

New XEN_DOMCTL_set_avail_vcpus is introduced and is called during
guest creation and in response to 'xl vcpu-set' command. This domctl
updates GPE0's status and enable registers and sends an SCI to the
guest using (newly added) VIRQ_SCI.

Main changes in V2:
* Add XEN_X86_EMU_IOREQ_CPUHP flag to indicate need to handle
  ACPI accesses in hypervisor
* Add ACPI_CPU_MAP[_LEN] for 0xafee address block


Boris Ostrovsky (11):
  x86/domctl: Add XEN_DOMCTL_set_avail_vcpus
  acpi: Define ACPI IO registers for PVH guests
  pvh: Set online VCPU map to avail_vcpus
  acpi: Make pmtimer optional in FADT
  acpi: Power and Sleep ACPI buttons are not emulated for PVH guests
  acpi: PVH guests need _E02 method
  pvh/ioreq: Install handlers for ACPI-related PVH IO accesses
  pvh/acpi: Handle ACPI accesses for PVH guests
  events/x86: Define SCI virtual interrupt
  pvh: Send an SCI on VCPU hotplug event
  docs: Describe PVHv2's VCPU hotplug procedure

 docs/misc/hvmlite.markdown            | 12 +++++
 tools/firmware/hvmloader/util.c       |  4 +-
 tools/flask/policy/modules/dom0.te    |  2 +-
 tools/flask/policy/modules/xen.if     |  4 +-
 tools/libacpi/build.c                 |  7 +++
 tools/libacpi/libacpi.h               |  2 +
 tools/libacpi/mk_dsdt.c               | 14 +++---
 tools/libacpi/static_tables.c         | 28 +++++------
 tools/libxc/include/xenctrl.h         |  5 ++
 tools/libxc/xc_dom_x86.c              | 11 +++++
 tools/libxl/libxl.c                   | 10 +++-
 tools/libxl/libxl_arch.h              |  4 ++
 tools/libxl/libxl_arm.c               |  6 +++
 tools/libxl/libxl_dom.c               |  7 +++
 tools/libxl/libxl_x86.c               |  6 +++
 tools/libxl/libxl_x86_acpi.c          |  6 +--
 xen/arch/x86/domctl.c                 | 29 +++++++++++
 xen/arch/x86/hvm/ioreq.c              | 90 +++++++++++++++++++++++++++++++++++
 xen/include/asm-x86/domain.h          |  8 ++++
 xen/include/asm-x86/event.h           |  3 +-
 xen/include/asm-x86/hvm/domain.h      |  6 +++
 xen/include/public/arch-arm.h         | 11 +++--
 xen/include/public/arch-x86/xen-mca.h |  2 -
 xen/include/public/arch-x86/xen.h     |  8 +++-
 xen/include/public/domctl.h           |  9 ++++
 xen/include/public/hvm/ioreq.h        | 13 +++++
 xen/xsm/flask/hooks.c                 |  3 ++
 xen/xsm/flask/policy/access_vectors   |  2 +
 28 files changed, 274 insertions(+), 38 deletions(-)

-- 
2.7.4


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