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 regret.
changelog: 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): enable multi-function hot-add remove function during multi-function hot-add hw/pci/pci.c | 10 ++++++++++ hw/pci/pci_host.c | 6 +++++- hw/pci/pcie.c | 38 +++++++++++++++++++++++++------------- 3 files changed, 40 insertions(+), 14 deletions(-) -- 2.1.0
