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Differential D53330

dev/fdt: Add support for non-PCI MSI interrupts
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Authored by andrew on Oct 24 2025, 3:20 PM.
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arm64
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rG68e6422c6c91: dev/fdt: Add support for non-PCI MSI interrupts
Summary

Some non-PCI devices can send interrupts, e.g. the Arm SMMU or GICv5
Interrupt Wire Bridge. Add support for these by implementing pci_get_id
and pci_alloc_msi and the MSI/MSI-X parts of the PCIB interface.

Only the MSI parts of the PCI interface are added as that is all I am
able to test.

Sponsored by: Arm Ltd

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Repository
rG FreeBSD src repository
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Buildable 68085
Build 64968: arc lint + arc unit

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sys/
dev/
fdt/
134 lines

Diff 164974

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sys/dev/fdt/simplebus.c

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