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PCI check for MSIs and enable if possible
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This commit is contained in:
Kamil Kowalczyk
2026-03-22 11:22:03 +01:00
parent d2ccb96b27
commit 5492b564dd
3 changed files with 96 additions and 22 deletions
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9
kernel/device/pci_ide.c
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@@ -123,8 +123,13 @@ bool pci_ide_init (struct proc* proc, struct reschedule_ctx* rctx, struct pci_in
irqs_support = false;
} else {
irqs_support = true;
ioapic_route_irq (IDE_DRIVE_PRIM, 14, 0, thiscpu->lapic_id);
ioapic_route_irq (IDE_DRIVE_SCND, 15, 0, thiscpu->lapic_id);
if (!pci_msi_init (pci_info.bus, pci_info.slot, pci_info.func, IDE_DRIVE_PRIM,
thiscpu->lapic_id)) {
ioapic_route_irq (IDE_DRIVE_PRIM, 14, 0, thiscpu->lapic_id);
ioapic_route_irq (IDE_DRIVE_SCND, 15, 0, thiscpu->lapic_id);
DEBUG ("Fallback to IOAPIC interrupt routing\n");
}
}
DEBUG ("pcmd=%x, pctrl=%x\n", pcmd, pctrl);