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vmm: Select a BAR's MMIO allocator by the device's PCI segment - #9026
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| pci_dev: &mut dyn PciDevice, | ||
| region_type: PciBarRegionType, | ||
| ) -> result::Result<(), io::Error> { | ||
| let segment = self.pci_segment_of(pci_dev)?; |
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Do we really need this method if it's called just once?
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Sure, remove this and open code it.
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Changes are good, but will need a rebase once #9033 is landed.
The MMIO allocators are indexed by PCI segment. Index them with the segment of the PCI device's BDF instead of searching for the allocator whose range contains the old BAR base address. Signed-off-by: Isaku Yamahata <iyamahata@crusoe.ai> Assisted-by: Claude:Opus-5.5
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This is a clean up I've had locally for PCI BAR move issue. I think it is also good for #8931 . So I push this one first.
The allocators are indexed by PCI segment, and the device's PCI segment is recorded in its device-tree node, so look it up there and index the allocator directly. Finds the MMIO allocator by pci segment_id insteawd of BAR base address.