Index: kernel/generic/include/ddi/ddi.h
===================================================================
--- kernel/generic/include/ddi/ddi.h	(revision f044e96c50752824a763e9b11ea00b026e7c0772)
+++ kernel/generic/include/ddi/ddi.h	(revision fbcdeb887f643e4a875e51120a2ddbf6fe35e4b3)
@@ -55,11 +55,14 @@
 extern void ddi_parea_register(parea_t *);
 
-extern sysarg_t sys_physmem_map(uintptr_t, uintptr_t, size_t, unsigned int);
+extern sysarg_t sys_physmem_map(uintptr_t, size_t, unsigned int, void *,
+    uintptr_t);
+extern sysarg_t sys_physmem_unmap(uintptr_t);
 
-extern sysarg_t sys_dmamem_map(uintptr_t, size_t, unsigned int, unsigned int,
-    void *);
+extern sysarg_t sys_dmamem_map(size_t, unsigned int, unsigned int, void *,
+    void *, uintptr_t);
 extern sysarg_t sys_dmamem_unmap(uintptr_t, size_t, unsigned int);
 
 extern sysarg_t sys_iospace_enable(ddi_ioarg_t *);
+extern sysarg_t sys_iospace_disable(ddi_ioarg_t *);
 
 /*
Index: kernel/generic/include/mm/as.h
===================================================================
--- kernel/generic/include/mm/as.h	(revision f044e96c50752824a763e9b11ea00b026e7c0772)
+++ kernel/generic/include/mm/as.h	(revision fbcdeb887f643e4a875e51120a2ddbf6fe35e4b3)
@@ -242,10 +242,10 @@
 extern int as_page_fault(uintptr_t, pf_access_t, istate_t *);
 
-extern as_area_t *as_area_create(as_t *, unsigned int, size_t, uintptr_t,
-    unsigned int, mem_backend_t *, mem_backend_data_t *);
+extern as_area_t *as_area_create(as_t *, unsigned int, size_t, unsigned int,
+    mem_backend_t *, mem_backend_data_t *, uintptr_t *, uintptr_t);
 extern int as_area_destroy(as_t *, uintptr_t);
 extern int as_area_resize(as_t *, uintptr_t, size_t, unsigned int);
-extern int as_area_share(as_t *, uintptr_t, size_t, as_t *, uintptr_t,
-    unsigned int);
+extern int as_area_share(as_t *, uintptr_t, size_t, as_t *, unsigned int,
+    uintptr_t *, uintptr_t);
 extern int as_area_change_flags(as_t *, unsigned int, uintptr_t);
 
@@ -284,9 +284,8 @@
 
 /* Address space area related syscalls. */
-extern sysarg_t sys_as_area_create(uintptr_t, size_t, unsigned int);
+extern sysarg_t sys_as_area_create(uintptr_t, size_t, unsigned int, uintptr_t);
 extern sysarg_t sys_as_area_resize(uintptr_t, size_t, unsigned int);
 extern sysarg_t sys_as_area_change_flags(uintptr_t, unsigned int);
 extern sysarg_t sys_as_area_destroy(uintptr_t);
-extern sysarg_t sys_as_get_unmapped_area(uintptr_t, size_t);
 
 /* Introspection functions. */