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Re: [Qemu-devel] [PULL 00/43] pci, pc, acpi fixes, enhancements


From: Igor Mammedov
Subject: Re: [Qemu-devel] [PULL 00/43] pci, pc, acpi fixes, enhancements
Date: Tue, 15 Oct 2013 13:53:50 +0200

On Mon, 14 Oct 2013 15:42:37 -0700
Anthony Liguori <address@hidden> wrote:

> "Michael S. Tsirkin" <address@hidden> writes:
> 
> > Anthony, I know you wanted to review some of the patches,
> > since you didn't respond either all's well or you
> > could not find the time.
> > I think we are better off merging them for 1.7 and then - worst case,
> > if major issues surface - disabling the functionality at the last minute
> > than delaying the merge even more.
> 
> There is no way I'll pull this for 1.7.  Changes like this aren't going
> to get merged at the last minute.  A good chunk of the series lacks
> any Reviewed-bys including the actual hotplug behind a pci bridge bits
> which is the whole point of the series.
>
> This is a huge series and I still am not convinced this is the right
> path forward.  The alternative to this series is a small set of changes
> to SeaBIOS to support PCI bridge hotplug, no?
It's also needed for memory hotplug to make any progress, there is no point
posting it before ACPI tables are merged.
  
> Or 10k SLOC of code into QEMU that includes breaking migration
> compatibility.
> 
> Regards,
> 
> Anthony Liguori
> 
> > The following changes since commit e26d3e734650640fabd7d95ace4f3a6f88725e0b:
> >
> >   smbios: Factor out smbios_maybe_add_str() (2013-09-28 23:49:39 +0300)
> >
> > are available in the git repository at:
> >
> >   git://git.kernel.org/pub/scm/virt/kvm/mst/qemu.git tags/for_anthony
> >
> > for you to fetch changes up to 6cab1e7000021fa6a487f67e1dba986f68fee30d:
> >
> >   acpi-build: enable hotplug for PCI bridges (2013-10-14 17:48:58 +0300)
> >
> > ----------------------------------------------------------------
> > pci, pc, acpi fixes, enhancements
> >
> > This includes some pretty big changes:
> > - pci master abort support by Marcel
> > - pci IRQ API rework by Marcel
> > - acpi generation and pci bridge hotplug support by myself
> >
> > Everything has gone through several revisions, latest versions have been on
> > list for a while without any more comments, tested by several
> > people.
> >
> > Please pull for 1.7.
> >
> > Signed-off-by: Michael S. Tsirkin <address@hidden>
> >
> > ----------------------------------------------------------------
> > Igor Mammedov (1):
> >       cleanup object.h: include error.h directly
> >
> > Marcel Apfelbaum (11):
> >       memory: Change MemoryRegion priorities from unsigned to signed
> >       docs/memory: Explictly state that MemoryRegion priority is signed
> >       hw/pci: partially handle pci master abort
> >       hw/core: Add interface to allocate and free a single IRQ
> >       hw/pci: add pci wrappers for allocating and asserting irqs
> >       hw/pci-bridge: set PCI_INTERRUPT_PIN register before shpc init
> >       hw/vmxnet3: set interrupts using pci irq wrappers
> >       hw/vfio: set interrupts using pci irq wrappers
> >       hw: set interrupts using pci irq wrappers
> >       hw/pcie: AER and hot-plug events must use device's interrupt
> >       hw/pci: removed irq field from PCIDevice
> >
> > Michael S. Tsirkin (31):
> >       qom: cleanup struct Error references
> >       qom: add pointer to int property helpers
> >       pci: fix up w64 size calculation helper
> >       fw_cfg: interface to trigger callback on read
> >       loader: support for unmapped ROM blobs
> >       pcie_host: expose UNMAPPED macro
> >       pcie_host: expose address format
> >       q35: use macro for MCFG property name
> >       q35: expose mmcfg size as a property
> >       i386: add ACPI table files from seabios
> >       acpi: add rules to compile ASL source
> >       acpi: pre-compiled ASL files
> >       acpi: ssdt pcihp: updat generated file
> >       loader: use file path size from fw_cfg.h
> >       i386: add bios linker/loader
> >       loader: allow adding ROMs in done callbacks
> >       i386: define pc guest info
> >       acpi/piix: add macros for acpi property names
> >       piix: APIs for pc guest info
> >       ich9: APIs for pc guest info
> >       pvpanic: add API to access io port
> >       hpet: add API to find it
> >       acpi: add interface to access user-installed tables
> >       pc: use new api to add builtin tables
> >       i386: ACPI table generation code from seabios
> >       ssdt: fix PBLK length
> >       ssdt-proc: update generated file
> >       pci: add pci_for_each_bus_depth_first
> >       pcihp: generalization of piix4 acpi
> >       piix4: add acpi pci hotplug support
> >       acpi-build: enable hotplug for PCI bridges
> >
> >  configure                           |    9 +-
> >  hw/i386/acpi-build.h                |    9 +
> >  hw/i386/acpi-defs.h                 |  331 ++
> >  hw/i386/bios-linker-loader.h        |   27 +
> >  hw/lm32/lm32_hwsetup.h              |    2 +-
> >  include/exec/memory.h               |    4 +-
> >  include/hw/acpi/acpi.h              |    4 +
> >  include/hw/acpi/ich9.h              |    2 +
> >  include/hw/acpi/pcihp.h             |   72 +
> >  include/hw/acpi/piix4.h             |    8 +
> >  include/hw/i386/ich9.h              |    2 +
> >  include/hw/i386/pc.h                |   27 +
> >  include/hw/irq.h                    |    7 +
> >  include/hw/loader.h                 |    8 +-
> >  include/hw/nvram/fw_cfg.h           |    8 +-
> >  include/hw/pci-host/q35.h           |    2 +
> >  include/hw/pci/pci.h                |   40 +-
> >  include/hw/pci/pci_bus.h            |    1 +
> >  include/hw/pci/pcie.h               |   18 -
> >  include/hw/pci/pcie_host.h          |   27 +
> >  include/hw/sysbus.h                 |    2 +-
> >  include/hw/timer/hpet.h             |    2 +
> >  include/qom/object.h                |   73 +-
> >  hw/acpi/core.c                      |   40 +
> >  hw/acpi/ich9.c                      |   24 +
> >  hw/acpi/pcihp.c                     |  312 ++
> >  hw/acpi/piix4.c                     |  125 +-
> >  hw/audio/ac97.c                     |    4 +-
> >  hw/audio/es1370.c                   |    4 +-
> >  hw/audio/intel-hda.c                |    2 +-
> >  hw/block/nvme.c                     |    2 +-
> >  hw/char/serial-pci.c                |    5 +-
> >  hw/char/tpci200.c                   |    8 +-
> >  hw/core/irq.c                       |   16 +
> >  hw/core/loader.c                    |   31 +-
> >  hw/core/sysbus.c                    |    4 +-
> >  hw/display/qxl.c                    |    2 +-
> >  hw/i386/acpi-build.c                | 1420 +++++++
> >  hw/i386/bios-linker-loader.c        |  158 +
> >  hw/i386/pc.c                        |   25 +-
> >  hw/i386/pc_piix.c                   |    5 +
> >  hw/i386/pc_q35.c                    |    3 +
> >  hw/ide/cmd646.c                     |    2 +-
> >  hw/ide/ich.c                        |    3 +-
> >  hw/isa/lpc_ich9.c                   |   40 +
> >  hw/isa/vt82c686.c                   |    2 +-
> >  hw/misc/ivshmem.c                   |    2 +-
> >  hw/misc/pvpanic.c                   |   13 +-
> >  hw/misc/vfio.c                      |   11 +-
> >  hw/net/e1000.c                      |    2 +-
> >  hw/net/eepro100.c                   |    4 +-
> >  hw/net/ne2000.c                     |    3 +-
> >  hw/net/pcnet-pci.c                  |    3 +-
> >  hw/net/rtl8139.c                    |    2 +-
> >  hw/net/vmxnet3.c                    |   13 +-
> >  hw/nvram/fw_cfg.c                   |   33 +-
> >  hw/pci-bridge/pci_bridge_dev.c      |    2 +-
> >  hw/pci-host/piix.c                  |    8 +
> >  hw/pci-host/q35.c                   |   26 +-
> >  hw/pci/pci.c                        |  100 +-
> >  hw/pci/pcie.c                       |    4 +-
> >  hw/pci/pcie_aer.c                   |    4 +-
> >  hw/pci/pcie_host.c                  |   24 -
> >  hw/pci/shpc.c                       |    2 +-
> >  hw/scsi/esp-pci.c                   |    3 +-
> >  hw/scsi/lsi53c895a.c                |    2 +-
> >  hw/scsi/megasas.c                   |    6 +-
> >  hw/scsi/vmw_pvscsi.c                |    2 +-
> >  hw/timer/hpet.c                     |    5 +
> >  hw/usb/hcd-ehci-pci.c               |    2 +-
> >  hw/usb/hcd-ohci.c                   |    2 +-
> >  hw/usb/hcd-uhci.c                   |    6 +-
> >  hw/usb/hcd-xhci.c                   |    7 +-
> >  hw/virtio/virtio-pci.c              |    4 +-
> >  memory.c                            |    4 +-
> >  qom/object.c                        |   60 +
> >  vl.c                                |    3 +
> >  docs/memory.txt                     |    4 +
> >  hw/acpi/Makefile.objs               |    2 +-
> >  hw/i386/Makefile.objs               |   27 +
> >  hw/i386/acpi-dsdt-cpu-hotplug.dsl   |   93 +
> >  hw/i386/acpi-dsdt-dbug.dsl          |   41 +
> >  hw/i386/acpi-dsdt-hpet.dsl          |   51 +
> >  hw/i386/acpi-dsdt-isa.dsl           |  117 +
> >  hw/i386/acpi-dsdt-pci-crs.dsl       |  105 +
> >  hw/i386/acpi-dsdt.dsl               |  341 ++
> >  hw/i386/acpi-dsdt.hex.generated     | 4409 +++++++++++++++++++++
> >  hw/i386/q35-acpi-dsdt.dsl           |  452 +++
> >  hw/i386/q35-acpi-dsdt.hex.generated | 7346 
> > +++++++++++++++++++++++++++++++++++
> >  hw/i386/ssdt-misc.dsl               |  119 +
> >  hw/i386/ssdt-misc.hex.generated     |  386 ++
> >  hw/i386/ssdt-pcihp.dsl              |   50 +
> >  hw/i386/ssdt-pcihp.hex.generated    |  108 +
> >  hw/i386/ssdt-proc.dsl               |   63 +
> >  hw/i386/ssdt-proc.hex.generated     |  134 +
> >  scripts/acpi_extract.py             |  362 ++
> >  scripts/acpi_extract_preprocess.py  |   51 +
> >  scripts/update-acpi.sh              |    4 +
> >  98 files changed, 17366 insertions(+), 183 deletions(-)
> >  create mode 100644 hw/i386/acpi-build.h
> >  create mode 100644 hw/i386/acpi-defs.h
> >  create mode 100644 hw/i386/bios-linker-loader.h
> >  create mode 100644 include/hw/acpi/pcihp.h
> >  create mode 100644 include/hw/acpi/piix4.h
> >  create mode 100644 hw/acpi/pcihp.c
> >  create mode 100644 hw/i386/acpi-build.c
> >  create mode 100644 hw/i386/bios-linker-loader.c
> >  create mode 100644 hw/i386/acpi-dsdt-cpu-hotplug.dsl
> >  create mode 100644 hw/i386/acpi-dsdt-dbug.dsl
> >  create mode 100644 hw/i386/acpi-dsdt-hpet.dsl
> >  create mode 100644 hw/i386/acpi-dsdt-isa.dsl
> >  create mode 100644 hw/i386/acpi-dsdt-pci-crs.dsl
> >  create mode 100644 hw/i386/acpi-dsdt.dsl
> >  create mode 100644 hw/i386/acpi-dsdt.hex.generated
> >  create mode 100644 hw/i386/q35-acpi-dsdt.dsl
> >  create mode 100644 hw/i386/q35-acpi-dsdt.hex.generated
> >  create mode 100644 hw/i386/ssdt-misc.dsl
> >  create mode 100644 hw/i386/ssdt-misc.hex.generated
> >  create mode 100644 hw/i386/ssdt-pcihp.dsl
> >  create mode 100644 hw/i386/ssdt-pcihp.hex.generated
> >  create mode 100644 hw/i386/ssdt-proc.dsl
> >  create mode 100644 hw/i386/ssdt-proc.hex.generated
> >  create mode 100755 scripts/acpi_extract.py
> >  create mode 100755 scripts/acpi_extract_preprocess.py
> >  create mode 100644 scripts/update-acpi.sh




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