Virtualize pci_remap_msi_irq() call from general MSI code. It allows MSI

(FSB interrupts) to be used by non-PCI devices, such as HPET.

1 files changed, 22 insertions, 0 deletions

diff --git a/sys/kern/bus_if.m b/sys/kern/bus_if.m
index c0924c882ab7..326156eb49dd 100644
--- a/sys/kern/bus_if.m
+++ b/sys/kern/bus_if.m
@@ -47,6 +47,15 @@ CODE {
 	{
 	    return (0);
 	}
+
+	static int
+	null_remap_intr(device_t bus, device_t dev, u_int irq)
+	{
+
+		if (dev != NULL)
+			return (BUS_REMAP_INTR(dev, NULL, irq));
+		return (ENXIO);
+	}
 };
 
 /**
@@ -600,3 +609,16 @@ METHOD void hint_device_unit {
 METHOD void new_pass {
 	device_t	_dev;
 } DEFAULT bus_generic_new_pass;
+
+/**
+ * @brief Notify a bus that specified child's IRQ should be remapped.
+ *
+ * @param _dev		the bus device
+ * @param _child	the child device
+ * @param _irq		the irq number
+ */
+METHOD int remap_intr {
+	device_t	_dev;
+	device_t	_child;
+	u_int		_irq;
+} DEFAULT null_remap_intr;