[Qemu-devel] [PATCH v5 0/2] PCI-e device multi-function hot-add support

[Cao jin]

Support PCI-e device hot-add multi-function via device_add, just ensure
add the function 0 is added last. While allow user to roll back in the
middle via device_del, in case user cancle the operation.

changelog v5:
1. change pci_is_function_0() to pci_get_function_0(),
   and use it according to v4 comments.
2. reimplement the content of pci_get_function_0()

changelog v4:
1. take ari into account, add api: pci_is_function_0()
2. reorder the patch
3. other minor fix according to the v3 comment

changelog v3:
1. Flag device as unexposed when func 0 doesn`t exist, via return 0xFF
   in case of gratuitous pci bus scan.
2. Since device is unexposed to guest, can remove function individually,
   without interaction with the guest.

Cao jin (2):
  remove function during multi-function hot-add
  enable multi-function hot-add

 hw/pci/pci.c         | 31 ++++++++++++++++++++++++++++++-
 hw/pci/pci_host.c    | 13 +++++++++++--
 hw/pci/pcie.c        | 39 ++++++++++++++++++++++++++-------------
 include/hw/pci/pci.h |  1 +
 4 files changed, 68 insertions(+), 16 deletions(-)

-- 
2.1.0