Experts, help please - W2K Kernel, BUS driver: PNP-manager, problem with I/O sharing

W2K Kernel, bus driver:

  1. Some PNP-device, which work like bus, own the I/O range on PCI (assigned
    by PNP-manager)

  2. Bus-driver for this FDO-device enumerated some PDO-child devices, which
    should use I/O sub-ranges from I/O space of parent bus FDO-device, and also
    share I/O among themselves.

Problem: How notify PNP-manager that we aren’t having resources conflict
between FDO-bus-device and enumerated PDOs?

At present time I tried many strategies (CmResourceShareShared,
STATUS_RESOURCE_REQUIREMENTS_CHANGED,
PNP_DEVICE_RESOURCE_REQUIREMENTS_CHANGED), but all unsuccessfully :frowning:


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