virtio: Clear interrupt status register in virtio-blk

[seabios.git] / src / virtio-pci.h

diff --git a/src/virtio-pci.h b/src/virtio-pci.h
index 9da761dccfd9172da12c54d48033556a3146dbdf..d21d5a5a21b6de2c80acda257b45e76a409a6464 100644 (file)
--- a/src/virtio-pci.h
+++ b/src/virtio-pci.h
@@ -71,6 +71,10 @@ static inline void vp_set_status(unsigned int ioaddr, u8 status)
    outb(status, ioaddr + VIRTIO_PCI_STATUS);
 }
 
+static inline u8 vp_get_isr(unsigned int ioaddr)
+{
+   return inb(ioaddr + VIRTIO_PCI_ISR);
+}
 
 static inline void vp_reset(unsigned int ioaddr)
 {