[PATCH RFC 0/2] Support Hyper-V vPCI controller reset method

[email protected] Fri, 24 Jul 2026 16:08:41 -0700
Newsgroups org.kernel.vger.linux-hyperv,org.kernel.vger.linux-pci
Message-ID <[email protected]>
From: Wei Liu <[email protected]>

Hi,

On Azure, there are devices that don't support function level or PM
reset. They can only be reset by sending a VMBus message to the host.

This series is RFC because I modelled the reset method at the controller
level. If there is a better way to do it, I'm happy to change the code.

Thanks,
Wei

Wei Liu (2):
  PCI: Add controller reset method
  PCI: hv: Add vPCI device reset support

 Documentation/virt/hyperv/vpci.rst  |  2 +-
 drivers/pci/controller/pci-hyperv.c | 61 +++++++++++++++++++++++++++++
 drivers/pci/pci.c                   | 22 +++++++++++
 include/linux/pci.h                 |  3 +-
 4 files changed, 86 insertions(+), 2 deletions(-)

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2.53.0