VM information interface

lib/syslib/Makefile.in

@@ -80,11 +80,11 @@ libsys_FILES=" \
 	taskcall.c \
 	ds.c	\
 	vm_brk.c \
-	vm_ctl.c \
 	vm_exec_newmem.c \
 	vm_exit.c \
 	vm_notify_sig.c \
 	vm_fork.c \
+	vm_info.c \
 	vm_map_phys.c \
 	vm_umap.c \
 	vm_push_sig.c"

lib/syslib/vm_ctl.c

@@ -1,18 +0,0 @@
-
-#include "syslib.h"
-
-#include <minix/vm.h>
-
-/*===========================================================================*
- *                                vm_umap				     *
- *===========================================================================*/
-PUBLIC int vm_ctl(int what, int param)
-{
-    message m;
-    int result;
-
-    m.VCTL_WHAT = what;
-    m.VCTL_PARAM = param;
-    return _taskcall(VM_PROC_NR, VM_CTL, &m);
-}
-

lib/syslib/vm_info.c

@@ -0,0 +1,54 @@
+
+#include "syslib.h"
+
+#include <minix/vm.h>
+
+/*===========================================================================*
+ *                                vm_info_stats				     *
+ *===========================================================================*/
+PUBLIC int vm_info_stats(struct vm_stats_info *vsi)
+{
+    message m;
+
+    m.VMI_WHAT = VMIW_STATS;
+    m.VMI_PTR = (void *) vsi;
+
+    return _taskcall(VM_PROC_NR, VM_INFO, &m);
+}
+
+/*===========================================================================*
+ *                                vm_info_usage				     *
+ *===========================================================================*/
+PUBLIC int vm_info_usage(endpoint_t who, struct vm_usage_info *vui)
+{
+    message m;
+
+    m.VMI_WHAT = VMIW_USAGE;
+    m.VMI_EP = who;
+    m.VMI_PTR = (void *) vui;
+
+    return _taskcall(VM_PROC_NR, VM_INFO, &m);
+}
+
+/*===========================================================================*
+ *                                vm_info_region			     *
+ *===========================================================================*/
+PUBLIC int vm_info_region(endpoint_t who, struct vm_region_info *vri,
+	int count, vir_bytes *next)
+{
+    message m;
+    int result;
+
+    m.VMI_WHAT = VMIW_REGION;
+    m.VMI_EP = who;
+    m.VMI_COUNT = count;
+    m.VMI_PTR = (void *) vri;
+    m.VMI_NEXT = *next;
+
+    if ((result = _taskcall(VM_PROC_NR, VM_INFO, &m)) != OK)
+        return result;
+
+    *next = m.VMI_NEXT;
+    return m.VMI_COUNT;
+}
+