[Xen-changelog] [xen-unstable] Tools: Add libxc wrapper for p2m audit domctl

[Xen patchbot-unstable <patchbot@xxxxxxx>]

# HG changeset patch
# User Andres Lagar-Cavilla <andres@xxxxxxxxxxxxxxxx>
# Date 1322751403 0
# Node ID ff752070bd330ed94d19aa4b0a5382af9a1e336e
# Parent  284ae13b2e545b83e5d5a8f5bfd239582595c9c5
Tools: Add libxc wrapper for p2m audit domctl

Signed-off-by: Andres Lagar-Cavilla <andres@xxxxxxxxxxxxxxxx>
Acked-by: Ian Jackson <ian.jackson@xxxxxxxxxxxxx>
Committed-by: Tim Deegan <tim@xxxxxxx>
---


diff -r 284ae13b2e54 -r ff752070bd33 tools/libxc/xc_domain.c
--- a/tools/libxc/xc_domain.c   Thu Dec 01 14:56:42 2011 +0000
+++ b/tools/libxc/xc_domain.c   Thu Dec 01 14:56:43 2011 +0000
@@ -1472,6 +1472,28 @@
     return do_domctl(xc, &domctl);
 }
 
+int xc_domain_p2m_audit(xc_interface *xch, 
+                        uint32_t domid,
+                        uint64_t *orphans_debug,
+                        uint64_t *orphans_invalid,
+                        uint64_t *m2p_bad,   
+                        uint64_t *p2m_bad)
+{
+    DECLARE_DOMCTL;
+    int rc;
+
+    domctl.cmd = XEN_DOMCTL_audit_p2m;
+    domctl.domain = domid;
+    rc = do_domctl(xch, &domctl);
+
+    *orphans_debug      = domctl.u.audit_p2m.orphans_debug;
+    *orphans_invalid    = domctl.u.audit_p2m.orphans_invalid;
+    *m2p_bad            = domctl.u.audit_p2m.m2p_bad;
+    *p2m_bad            = domctl.u.audit_p2m.p2m_bad;
+
+    return rc;
+}
+
 int xc_domain_set_access_required(xc_interface *xch,
                                   uint32_t domid,
                                   unsigned int required)
diff -r 284ae13b2e54 -r ff752070bd33 tools/libxc/xenctrl.h
--- a/tools/libxc/xenctrl.h     Thu Dec 01 14:56:42 2011 +0000
+++ b/tools/libxc/xenctrl.h     Thu Dec 01 14:56:43 2011 +0000
@@ -712,6 +712,33 @@
                            unsigned int enable);
 
 /**
+ * This function audits the (top level) p2m of a domain 
+ * and returns the different error counts, if any.
+ *
+ * @parm xch a handle to an open hypervisor interface
+ * @parm domid the domain id whose top level p2m we 
+ *       want to audit
+ * @parm orphans_debug count of m2p entries for valid
+ *       domain pages containing a debug value
+ * @parm orphans_invalid count of m2p entries for valid
+ *       domain pages containing an invalid value
+ * @parm m2p_bad count of m2p entries mismatching the
+ *       associated p2m entry for this domain
+ * @parm p2m_bad count of p2m entries for this domain
+ *       mismatching the associated m2p entry
+ * return 0 on success, -1 on failure
+ * errno values on failure include: 
+ *          -ENOSYS: not implemented
+ *          -EFAULT: could not copy results back to guest
+ */
+int xc_domain_p2m_audit(xc_interface *xch,
+                                       uint32_t domid,
+                        uint64_t *orphans_debug,
+                        uint64_t *orphans_invalid,
+                        uint64_t *m2p_bad,   
+                        uint64_t *p2m_bad);
+
+/**
  * This function sets or clears the requirement that an access memory
  * event listener is required on the domain.
  *

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