[Qemu-devel] [PATCH v15 0/6] Add pvpanic device to deal with guest panic event

[Hu Tao <hutao@cn.fujitsu.com>]

This series introduces a new simulated device, pvpanic, to notify
qemu when guest panic event happens.

Along with this series, there are two patches to add seabios ACPI
driver and kernel ACPI driver for the device, respectively.

Tested with combinations of qemu(kvm)/qemu(tcg), piix/q35, and
default ioport/custom ioport. The only fail case is q35 with custom
ioport. The reason is, in seabios we can't differentiate whether the
passed in DSDT is for q35 or not, and the DSDT patching must uses the
right offset depending this. Addressing this may conflicts with what
people doing to move ACPI tables from seabios to qemu, and, I prefixes
some patches with 'RFC'.


Changes from v14:

  - use QEMU0001 as HID(I mistakenly used MSFT0001 in previous version)
  - device name changed from pvevent to pvpanic
  - pass ioport to seabios through fw_cfg
  - document improvement

v14: http://lists.nongnu.org/archive/html/qemu-devel/2013-03/msg02293.html

Hu Tao (6):
  add a new runstate: RUN_STATE_GUEST_PANICKED
  add a new qevent: QEVENT_GUEST_PANICKED
  introduce a new qom device to deal with panicked event
  pvpanic: add document of pvpanic
  pc_piix, pc_q35: export fw_cfg
  pvpanic: pass configurable ioport to seabios

 QMP/qmp-events.txt        |  14 ++++++
 docs/specs/pvpanic.txt    |  14 ++++++
 hw/Makefile.objs          |   1 +
 hw/fw_cfg.h               |   2 +
 hw/i386/pc_piix.c         |   7 +--
 hw/i386/pc_q35.c          |   9 ++--
 hw/pc.h                   |   6 +++
 hw/pvpanic.c              | 126 ++++++++++++++++++++++++++++++++++++++++++++++
 include/monitor/monitor.h |   1 +
 include/sysemu/sysemu.h   |   1 +
 monitor.c                 |   1 +
 qapi-schema.json          |   5 +-
 qmp.c                     |   3 +-
 vl.c                      |  13 ++++-
 14 files changed, 192 insertions(+), 11 deletions(-)
 create mode 100644 docs/specs/pvpanic.txt
 create mode 100644 hw/pvpanic.c

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1.8.1.4