[Qemu-devel] [PATCH v8 00/20] virtio endian-ambivalent target

[Greg Kurz]

Hi,

This version merges the changes requested during the v7 review, remarks from
ppc64 dump support review (yes, we talked about virtio there) and the work on
virtio subsections migration. Also two new patches have been added:
- patch #1 is a preliminary fix for virtio-serial posted by Alexander Graf
- patch #9 prepares the work on the virtio_is_big_endian() helper

The most significant changes are:
- introduction of a new CPU method for virtio
- endianness is taken from CPU that resets the device
- fastpath virtio memory accessors for fixed endian targets
- VMState based virtio subsections (compatibility friendly)

You'll find more detailed changelog in each patch.

Please comment and hopefully apply.

Thanks !

---

Greg Kurz (14):
      virtio-serial: don't migrate the config space
      virtio: introduce device specific migration calls
      virtio-net: implement per-device migration calls
      virtio-blk: implement per-device migration calls
      virtio-serial: implement per-device migration calls
      virtio-balloon: implement per-device migration calls
      virtio-rng: implement per-device migration calls
      virtio: add subsections to the migration stream
      exec: introduce target_words_bigendian() helper
      cpu: introduce CPUClass::virtio_is_big_endian()
      virtio: add endian-ambivalent support to VirtIODevice
      virtio: memory accessors for endian-ambivalent targets
      virtio-9p: use virtio wrappers to access headers
      target-ppc: enable virtio endian ambivalent support

Rusty Russell (6):
      virtio: allow byte swapping for vring
      virtio-net: use virtio wrappers to access headers
      virtio-balloon: use virtio wrappers to access page frame numbers
      virtio-blk: use virtio wrappers to access headers
      virtio-scsi: use virtio wrappers to access headers
      virtio-serial-bus: use virtio wrappers to access headers


 exec.c                            |   11 --
 hw/9pfs/virtio-9p-device.c        |    3 -
 hw/block/virtio-blk.c             |   62 ++++++-----
 hw/char/virtio-serial-bus.c       |   94 ++++++++++------
 hw/net/virtio-net.c               |   56 +++++++---
 hw/scsi/virtio-scsi.c             |   40 ++++---
 hw/virtio/virtio-balloon.c        |   33 +++---
 hw/virtio/virtio-pci.c            |   11 +-
 hw/virtio/virtio-rng.c            |   12 +-
 hw/virtio/virtio.c                |  217 ++++++++++++++++++++++++++++---------
 include/exec/cpu-common.h         |    1 
 include/hw/virtio/virtio-access.h |  170 +++++++++++++++++++++++++++++
 include/hw/virtio/virtio.h        |   17 +++
 include/qom/cpu.h                 |   10 ++
 qom/cpu.c                         |    6 +
 target-ppc/cpu.h                  |    2 
 target-ppc/translate_init.c       |   13 ++
 17 files changed, 572 insertions(+), 186 deletions(-)
 create mode 100644 include/hw/virtio/virtio-access.h

--
Greg