1 files changed, 87 insertions, 0 deletions
diff --git a/tools/libxc/xc_misc.c b/tools/libxc/xc_misc.c
new file mode 100644
index 0000000000..0019ffe96b
--- /dev/null
+++ b/tools/libxc/xc_misc.c
@@ -0,0 +1,87 @@
+/******************************************************************************
+ * xc_misc.c
+ * 
+ * Miscellaneous control interface functions.
+ */
+
+#include "xc_private.h"
+
+int xc_interface_open(void)
+{
+    int fd = open("/proc/xen/privcmd", O_RDWR);
+    if ( fd == -1 )
+        PERROR("Could not obtain handle on privileged command interface");
+    return fd;
+}
+
+int xc_interface_close(int xc_handle)
+{
+    return close(xc_handle);
+}
+
+
+#define CONSOLE_RING_CLEAR 1
+
+int xc_readconsolering(int xc_handle,
+                       char *str, 
+                       unsigned int max_chars, 
+                       int clear)
+{
+    int ret;
+    dom0_op_t op;
+
+    op.cmd = DOM0_READCONSOLE;
+    op.u.readconsole.str = (unsigned long)str;
+    op.u.readconsole.count = max_chars;
+    op.u.readconsole.cmd = clear ? CONSOLE_RING_CLEAR : 0;
+
+    if ( (ret = mlock(str, max_chars)) != 0 )
+        return ret;
+
+    if ( (ret = do_dom0_op(xc_handle, &op)) >= 0 )
+        str[ret] = '\0';
+
+    (void)munlock(str, max_chars);
+
+    return ret;
+}    
+
+
+int xc_physinfo(int xc_handle,
+                xc_physinfo_t *put_info)
+{
+    int ret;
+    dom0_op_t op;
+    dom0_physinfo_t *got_info = &op.u.physinfo;
+    
+    op.cmd = DOM0_PHYSINFO;
+    op.interface_version = DOM0_INTERFACE_VERSION;
+
+    if((ret = do_dom0_op(xc_handle, &op))) return ret;
+
+    put_info->ht_per_core = got_info->ht_per_core;
+    put_info->cores       = got_info->cores;
+    put_info->total_pages = got_info->total_pages;
+    put_info->free_pages  = got_info->free_pages;
+    put_info->cpu_khz     = got_info->cpu_khz;
+
+    return 0;
+}
+
+
+int xc_sched_id(int xc_handle,
+                int *sched_id)
+{
+    int ret;
+    dom0_op_t op;
+    
+    op.cmd = DOM0_SCHED_ID;
+    op.interface_version = DOM0_INTERFACE_VERSION;
+    
+    if((ret = do_dom0_op(xc_handle, &op))) return ret;
+    
+    *sched_id = op.u.sched_id.sched_id;
+    
+    return 0;
+}
+