On 1/21/26 12:41 PM, Shameer Kolothum wrote:
> Hi,
>
> Linux now provides a VFIO dmabuf exporter to expose PCI BAR memory for P2P
> use cases. This adds support for vfio devices to create a dmabuf for
> each mapped BAR region.
>
> Changes from v3:
>
> https://lore.kernel.org/qemu-devel/[email protected]/
>
> - Folded in patch #2 to linux-headers update to avoid bisect failure
> due to build error.
>
> The dmabuf support was sanity tested on an NVIDIA grace paltform.
>
> Please take a look and let me know.
>
> Thanks,
> Shameer
>
> Nicolin Chen (1):
> hw/vfio/region: Create dmabuf for PCI BAR per region
>
> Shameer Kolothum (2):
> linux-headers: Update to Linux v6.19-rc1
> hw/vfio: Add helper to retrieve device feature
>
> hw/net/virtio-net.c | 11 +-
> hw/vfio/container.c | 2 +-
> hw/vfio/device.c | 9 ++
> hw/vfio/listener.c | 4 +-
> hw/vfio/region.c | 65 +++++++++-
> hw/vfio/trace-events | 1 +
> include/hw/vfio/vfio-device.h | 3 +
> include/standard-headers/drm/drm_fourcc.h | 25 ++--
> include/standard-headers/linux/ethtool.h | 5 +
> .../linux/input-event-codes.h | 14 ++-
> include/standard-headers/linux/pci_regs.h | 89 ++++++++++++++
> include/standard-headers/linux/virtio_net.h | 3 +-
> include/standard-headers/linux/virtio_pci.h | 2 +-
> linux-headers/asm-arm64/kvm.h | 2 +-
> linux-headers/asm-arm64/unistd_64.h | 1 +
> linux-headers/asm-generic/unistd.h | 4 +-
> linux-headers/asm-loongarch/kvm.h | 1 +
> linux-headers/asm-loongarch/unistd.h | 6 +
> linux-headers/asm-loongarch/unistd_64.h | 1 +
> linux-headers/asm-mips/unistd_n32.h | 1 +
> linux-headers/asm-mips/unistd_n64.h | 1 +
> linux-headers/asm-mips/unistd_o32.h | 1 +
> linux-headers/asm-powerpc/unistd_32.h | 1 +
> linux-headers/asm-powerpc/unistd_64.h | 1 +
> linux-headers/asm-riscv/kvm.h | 3 +
> linux-headers/asm-riscv/unistd_32.h | 1 +
> linux-headers/asm-riscv/unistd_64.h | 1 +
> linux-headers/asm-s390/bitsperlong.h | 4 -
> linux-headers/asm-s390/unistd.h | 4 -
> linux-headers/asm-s390/unistd_64.h | 9 +-
> linux-headers/asm-x86/kvm.h | 1 +
> linux-headers/asm-x86/unistd_32.h | 1 +
> linux-headers/asm-x86/unistd_64.h | 1 +
> linux-headers/asm-x86/unistd_x32.h | 1 +
> linux-headers/linux/iommufd.h | 10 ++
> linux-headers/linux/kvm.h | 11 ++
> linux-headers/linux/mshv.h | 116 +++++++++++++++++-
> linux-headers/linux/psp-sev.h | 66 ++++++----
> linux-headers/linux/vfio.h | 28 +++++
> 39 files changed, 450 insertions(+), 60 deletions(-)
>
For the whole series:
Reviewed-by: Eric Auger <[email protected]>
Tested-by: Eric Auger <[email protected]>
Thanks
Eric
