feat(pci/dwc): add DWC MSI virtualization support and deferred PCI init#301

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ZhongkaiXu wants to merge 20 commits into

syswonder:devfrom

Commits on Apr 27, 2026

fix: pci bridge only_one_child function
ZhongkaiXu
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fix: complete `rom_init` and fix rom access handle code (add mapping region only when enable bit is 1'b1)
ZhongkaiXu
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feat: add bridge bar access handle code (region mapping)
ZhongkaiXu
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feat: add feature `io_atu_index` to define the atu index for io and cfg access
ZhongkaiXu
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feat: modify atu handlecode according to `io_atu_index`
ZhongkaiXu
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feat: add msi count and msi_info when enumerating pci devs
ZhongkaiXu
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feat: handle msi cap access, record doorbell from vm
ZhongkaiXu
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feat: add msix table access detect code (Currently enabled for all modes, will be restricted to
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feat: add `dwc_msi` feature
ZhongkaiXu
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feat (pci-dwc-msi): doorbell shadow and irq bit split
ZhongkaiXu
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fix: change msi msg by adding hw_irq_bit offset
ZhongkaiXu
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feat: add feature `pci_init_delay`
ZhongkaiXu
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feat: add dwc-msi-inject event and successfully boot 2 vms with 1 net-port each using dwc-msi in imx8mp
ZhongkaiXu
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update config files for imx8mp
ZhongkaiXu
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