diff --git a/share/man/man9/Makefile b/share/man/man9/Makefile
--- a/share/man/man9/Makefile
+++ b/share/man/man9/Makefile
@@ -1321,6 +1321,7 @@
 MLINKS+=intr_event.9 intr_event_add_handler.9 \
 	intr_event.9 intr_event_create.9 \
 	intr_event.9 intr_event_destroy.9 \
+	intr_event.9 intr_event_handle.9 \
 	intr_event.9 intr_event_remove_handler.9
 MLINKS+=kernacc.9 useracc.9
 MLINKS+=kernel_mount.9 free_mntarg.9 \
diff --git a/share/man/man9/intr_event.9 b/share/man/man9/intr_event.9
--- a/share/man/man9/intr_event.9
+++ b/share/man/man9/intr_event.9
@@ -30,6 +30,7 @@
 .Nm intr_event_add_handler ,
 .Nm intr_event_create ,
 .Nm intr_event_destroy ,
+.Nm intr_event handle ,
 .Nm intr_event_remove_handler ,
 .Nm intr_priority
 .Nd "kernel interrupt handler and thread API"
@@ -64,6 +65,8 @@
 .Ft int
 .Fn intr_event_destroy "struct intr_event *ie"
 .Ft int
+.Fn intr_event_handle "struct intr_event *ie" "struct trapframe *frame"
+.Ft int
 .Fn intr_event_remove_handler "void *cookie"
 .Ft u_char
 .Fn intr_priority "enum intr_type flags"
@@ -236,6 +239,23 @@
 handler.
 .Pp
 The
+.Fn intr_event_handle
+function is the main entry point into the interrupt handling code.
+It must be called from an interrupt context.
+The function will execute all filter handlers associated with the interrupt
+event
+.Fa ie ,
+and schedule the associated interrupt thread to run, if applicable.
+The
+.Fa frame
+argument is used to pass a pointer to the
+.Vt struct trapframe
+containing the machine state at the time of the interrupt.
+The main body of this function runs within a
+.Xr critical 9
+section.
+.Pp
+The
 .Fn intr_event_remove_handler
 removes a handler from an interrupt thread.
 The
@@ -300,6 +320,7 @@
 .Fn intr_event_add_handler ,
 .Fn intr_event_create ,
 .Fn intr_event_destroy ,
+.Fn intr_event_handle ,
 and
 .Fn intr_event_remove_handler
 functions return zero on success and non-zero on failure.
@@ -403,6 +424,23 @@
 .El
 .Pp
 The
+.Fn intr_event_handle
+function will fail if:
+.Bl -tag -width Er
+.It Bq Er EINVAL
+The
+.Fa ie
+argument is
+.Dv NULL .
+.It Bq Er EINVAL
+There are no interrupt handlers assigned to
+.Fa ie .
+.It Bq Er EINVAL
+The interrupt was not acknowledged by any filter and has no associated thread
+handler.
+.El
+.Pp
+The
 .Fn intr_event_remove_handler
 function will fail if:
 .Bl -tag -width Er
@@ -413,6 +451,7 @@
 .Dv NULL .
 .El
 .Sh SEE ALSO
+.Xr critical 9 ,
 .Xr kthread 9 ,
 .Xr locking 9 ,
 .Xr malloc 9 ,