[Xen-devel] [PATCH RFC 00/20] Make ACPI builder available to components other than hvmloader

[Boris Ostrovsky <boris.ostrovsky@xxxxxxxxxx>]

This is an RFC for making hvmloader's ACPI builder available to both the
toolstack and the hypervisor, as discussed in
http://lists.xenproject.org/archives/html/xen-devel/2016-02/msg01228.html

The series
* Removes dependency of today's builder on hvmloader interfaces
* Makes many of the tables built optionally.
* Moves tools/hvmloader/acpi directory to xen/common/libacpi
* Builds tables for PVHv2 domU guests in libxc

There is still a number of questions about this implementation, thus it's
an RFC. Examples of things that need to be discussed are

* ACPI tables are built for PVHv2 guests unconditionally. We probably want
  to make this an option.
* Not sure about header files, especially xen/common/libacpi/x86.h and 
  tools/firmware/hvmloader/{stdio.h,string.h} 
* The builder is compiled into the hypervisor even though currently
  there are no users (PVHv2 dom0 will be the one)
* Patch 19 is somewhat of a spec violation
* Makefiles are questionable
* May need changes to guests' e820 map

This is also available from git://oss.oracle.com/git/bostrovs/xen.git:acpi_rfc.

It has been tested with Linux PVHv2 (and I believe Roger tested an earlier
version with FreeBSD). No passthrough testing has been done.

(I realize that many people are busy because of Friday's freeze but I figured 
I'd
post it now in the hope that this may get some reading so that we can talk about
it at the hackathon)


Boris Ostrovsky (20):
  hvmloader: Provide hvmloader_acpi_build_tables()
  acpi/hvmloader: Move acpi_info initialization out of ACPI code
  acpi/hvmloader: Initialize vm_gid data outside ACPI code
  acpi/hvmloader: Decide which SSDTs to build in hvmloader
  acpi/hvmloader: Move passthrough initialization from ACPI code
  acpi/hvmloader: Collect processor and NUMA info in hvmloader
  acpi/hvmloader: Set TIS header address in hvmloader
  acpi/hvmloader: Make providing IOAPIC in MADT optional
  acpi/hvmloader: Build WAET optionally
  acpi/hvmloader: Provide address of acpi_info as an argument to ACPI
    code
  acpi/hvmloader: Translate all addresses when assigning addresses in
    ACPI tables
  acpi/hvmloader: Link ACPI object files directly
  acpi/hvmloader: Add stdio.h, string.h and x86.h
  acpi/hvmloader: Replace mem_alloc() and virt_to_phys() with memory ops
  acpi: Move ACPI code to xen/common/libacpi
  x86/vlapic: Don't try to accept 8259 interrupt if !has_vpic()
  x86: Allow LAPIC-only emulation_flags for HVM guests
  libxc/acpi: Build ACPI tables for HVMlite guests
  acpi: Set HW_REDUCED_ACPI in FADT if IOAPIC is not supported
  acpi: Make ACPI builder available to hypervisor code

 .gitignore                                         |   8 +-
 tools/firmware/hvmloader/Makefile                  |  16 +-
 tools/firmware/hvmloader/config.h                  |  13 +-
 tools/firmware/hvmloader/hvmloader.c               |   3 +-
 tools/firmware/hvmloader/mp_tables.c               |   1 +
 tools/firmware/hvmloader/ovmf.c                    |   4 +-
 tools/firmware/hvmloader/pci.c                     |   1 +
 tools/firmware/hvmloader/pir.c                     |   1 +
 tools/firmware/hvmloader/rombios.c                 |   4 +-
 tools/firmware/hvmloader/seabios.c                 |   4 +-
 tools/firmware/hvmloader/smbios.c                  |   1 +
 tools/firmware/hvmloader/smp.c                     |   1 +
 tools/firmware/hvmloader/stdio.h                   |   7 +
 tools/firmware/hvmloader/string.h                  |   7 +
 tools/firmware/hvmloader/util.c                    |  85 +++++
 tools/firmware/hvmloader/util.h                    |   6 +-
 tools/firmware/rombios/32bit/Makefile              |   2 +-
 tools/firmware/rombios/32bit/tcgbios/Makefile      |   2 +-
 tools/firmware/rombios/32bit/util.h                |   2 +-
 tools/libxc/Makefile                               |  22 +-
 tools/libxc/include/xc_dom.h                       |   1 +
 tools/libxc/xc_acpi.c                              | 268 +++++++++++++
 tools/libxc/xc_dom_x86.c                           |   7 +
 tools/libxl/libxl_x86.c                            |  19 +-
 xen/arch/x86/domain.c                              |  26 +-
 xen/arch/x86/hvm/vlapic.c                          |   3 +
 xen/common/Makefile                                |   2 +-
 .../hvmloader/acpi => xen/common/libacpi}/Makefile |  33 +-
 .../hvmloader/acpi => xen/common/libacpi}/README   |   0
 .../acpi => xen/common/libacpi}/acpi2_0.h          |  66 +++-
 .../hvmloader/acpi => xen/common/libacpi}/build.c  | 415 ++++++++++-----------
 .../hvmloader/acpi => xen/common/libacpi}/dsdt.asl |   0
 xen/common/libacpi/dsdt_empty.asl                  |  22 ++
 .../acpi => xen/common/libacpi}/mk_dsdt.c          |   4 +
 .../acpi => xen/common/libacpi}/ssdt_pm.asl        |   0
 .../acpi => xen/common/libacpi}/ssdt_s3.asl        |   0
 .../acpi => xen/common/libacpi}/ssdt_s4.asl        |   0
 .../acpi => xen/common/libacpi}/ssdt_tpm.asl       |   0
 .../acpi => xen/common/libacpi}/static_tables.c    |   1 -
 xen/common/libacpi/x86.h                           |  14 +
 40 files changed, 794 insertions(+), 277 deletions(-)
 create mode 100644 tools/firmware/hvmloader/stdio.h
 create mode 100644 tools/firmware/hvmloader/string.h
 create mode 100644 tools/libxc/xc_acpi.c
 rename {tools/firmware/hvmloader/acpi => xen/common/libacpi}/Makefile (70%)
 rename {tools/firmware/hvmloader/acpi => xen/common/libacpi}/README (100%)
 rename {tools/firmware/hvmloader/acpi => xen/common/libacpi}/acpi2_0.h (84%)
 rename {tools/firmware/hvmloader/acpi => xen/common/libacpi}/build.c (58%)
 rename {tools/firmware/hvmloader/acpi => xen/common/libacpi}/dsdt.asl (100%)
 create mode 100644 xen/common/libacpi/dsdt_empty.asl
 rename {tools/firmware/hvmloader/acpi => xen/common/libacpi}/mk_dsdt.c (99%)
 rename {tools/firmware/hvmloader/acpi => xen/common/libacpi}/ssdt_pm.asl (100%)
 rename {tools/firmware/hvmloader/acpi => xen/common/libacpi}/ssdt_s3.asl (100%)
 rename {tools/firmware/hvmloader/acpi => xen/common/libacpi}/ssdt_s4.asl (100%)
 rename {tools/firmware/hvmloader/acpi => xen/common/libacpi}/ssdt_tpm.asl 
(100%)
 rename {tools/firmware/hvmloader/acpi => xen/common/libacpi}/static_tables.c 
(99%)
 create mode 100644 xen/common/libacpi/x86.h

-- 
2.4.3


_______________________________________________
Xen-devel mailing list
Xen-devel@xxxxxxxxxxxxx
http://lists.xen.org/xen-devel