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refactor(vfio): get MSIX count from capability #204

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Merged
Lencerf merged 1 commit into from
Dec 23, 2024
Merged

refactor(vfio): get MSIX count from capability #204

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8 changes: 6 additions & 2 deletions alioth/src/vfio/pci.rs
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Original file line number Diff line number Diff line change
Expand Up @@ -491,9 +491,13 @@ where
let config_header = ConfigHeader::Device(dev_header);

cdev.dev.reset()?;
let msix_info = cdev.dev.get_irq_info(VfioPciIrq::MSIX.raw())?;

let msix_count = match &msix_cap {
Some(cap) => cap.control.table_len() + 1,
None => 0,
};
let msix_entries = RwLock::new(
(0..msix_info.count)
(0..msix_count)
.map(|_| MsixTableMmioEntry::Entry(MsixTableEntry::default()))
.collect(),
);
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