Hi all, any comments or RBs? This should be a slam dunk. Alex reviewed
9 versions of this code and all feedback has been incorporated. The only
significant change in this version is the addition of support for the
two container types: legacy and iommufd.
- Steve
On 7/9/2024 4:58 PM, Steve Sistare wrote:
> Support vfio devices with the cpr-exec live migration mode.
> See the commit messages of the individual patches for details.
> No user-visible interfaces are added.
>
> This series is extracted from the following and updated for the latest QEMU:
> [PATCH V9 00/46] Live Update
> https://lore.kernel.org/qemu-devel/1658851843-236870-1-git-send-email-steven.sistare@oracle.com/
>
> This series depends on the following, which is based on commit 44b7329de469:
> [PATCH V2 00/11] Live update: cpr-exec
> https://lore.kernel.org/qemu-devel/1719776434-435013-1-git-send-email-steven.sistare@oracle.com/
>
> Steve Sistare (8):
> migration: cpr_needed_for_reuse
> pci: export msix_is_pending
> vfio-pci: refactor for cpr
> vfio-pci: cpr part 1 (fd and dma)
> vfio-pci: cpr part 2 (msi)
> vfio-pci: cpr part 3 (intx)
> vfio: vfio_find_ram_discard_listener
> vfio-pci: recover from unmap-all-vaddr failure
>
> hw/pci/msix.c | 2 +-
> hw/pci/pci.c | 13 ++
> hw/vfio/common.c | 88 ++++++++--
> hw/vfio/container.c | 139 ++++++++++++---
> hw/vfio/cpr-legacy.c | 162 ++++++++++++++++++
> hw/vfio/cpr.c | 24 ++-
> hw/vfio/meson.build | 3 +-
> hw/vfio/pci.c | 308 +++++++++++++++++++++++++++++-----
> include/hw/pci/msix.h | 1 +
> include/hw/vfio/vfio-common.h | 10 ++
> include/hw/vfio/vfio-container-base.h | 7 +
> include/migration/cpr.h | 1 +
> include/migration/vmstate.h | 2 +
> migration/cpr.c | 5 +
> 14 files changed, 682 insertions(+), 83 deletions(-)
> create mode 100644 hw/vfio/cpr-legacy.c
>