On Thursday 07 May 2009, Gregory Haskins wrote:
> What I am not clear on is how you would know to flag the address to
> begin with.
pci_iomap could look at the bus device that the PCI function sits on.
If it detects a PCI bridge that has a certain property (config space
setting, vendor/device ID, ...), it assumes that the device itself
will be emulated and it should set the address flag for IO_COND.
This implies that all pass-through devices need to be on a different
PCI bridge from the emulated devices, which should be fairly
straightforward to enforce.
Arnd <><
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