FM / msi

/sys/devices/pci0000:00/0000:00:06.0/msi_irqs

Name	Size	Mode	Actions
27	4096	0444	edit dl rm
28	4096	0444	edit dl rm

Edit: /sys/devices/pci0000:00/0000:00:06.0/msi_irqs/27 (4096B)

msix