[Xen-devel] [PATCH 13/13] xen: XEN_SYSCTL_debugkeys hypercall

[Andrew Cooper <andrew.cooper3@xxxxxxxxxx>]

Signed-off-by: Andrew Cooper <andrew.cooper3@xxxxxxxxxx>
---
 coregrind/m_syswrap/syswrap-xen.c |   12 ++++++++++++
 include/vki/vki-xen-sysctl.h      |    8 +++++++-
 2 files changed, 19 insertions(+), 1 deletion(-)

diff --git a/coregrind/m_syswrap/syswrap-xen.c 
b/coregrind/m_syswrap/syswrap-xen.c
index ffe4e22..7561dda 100644
--- a/coregrind/m_syswrap/syswrap-xen.c
+++ b/coregrind/m_syswrap/syswrap-xen.c
@@ -472,6 +472,14 @@ PRE(sysctl) {
       }
       break;
 
+   case VKI_XEN_SYSCTL_debug_keys:
+       PRE_XEN_SYSCTL_READ(debug_keys, keys);
+       PRE_XEN_SYSCTL_READ(debug_keys, nr_keys);
+       PRE_MEM_READ("XEN_SYSCTL_debug_keys *keys",
+                    (Addr)sysctl->u.debug_keys.keys.p,
+                    sysctl->u.debug_keys.nr_keys * sizeof(char));
+       break;
+
    case VKI_XEN_SYSCTL_sched_id:
        /* No inputs */
        break;
@@ -1100,6 +1108,10 @@ POST(sysctl)
       POST_MEM_WRITE((Addr)sysctl->u.numainfo.node_to_node_distance.p,
                      sizeof(uint32_t) * sysctl->u.numainfo.max_node_index);
       break;
+
+   /* No outputs */
+   case VKI_XEN_SYSCTL_debug_keys:
+       break;
    }
 #undef POST_XEN_SYSCTL_WRITE
 #undef __POST_XEN_SYSCTL_WRITE
diff --git a/include/vki/vki-xen-sysctl.h b/include/vki/vki-xen-sysctl.h
index f406bd0..1621b7a 100644
--- a/include/vki/vki-xen-sysctl.h
+++ b/include/vki/vki-xen-sysctl.h
@@ -104,6 +104,12 @@ struct vki_xen_sysctl_cpupool_op {
     struct vki_xenctl_bitmap cpumap; /*     OUT: IF */
 };
 
+struct vki_xen_sysctl_debug_keys {
+    /* IN variables. */
+    VKI_XEN_GUEST_HANDLE_64(char) keys;
+    vki_uint32_t nr_keys;
+};
+
 struct vki_xen_sysctl_topologyinfo {
     vki_uint32_t max_cpu_index;
     VKI_XEN_GUEST_HANDLE_64(vki_uint32) cpu_to_core;
@@ -170,7 +176,7 @@ struct vki_xen_sysctl {
         struct vki_xen_sysctl_getdomaininfolist_00000008 
getdomaininfolist_00000008;
         struct vki_xen_sysctl_getdomaininfolist_00000009 
getdomaininfolist_00000009;
         struct vki_xen_sysctl_getdomaininfolist_0000000a 
getdomaininfolist_0000000a;
-        //struct vki_xen_sysctl_debug_keys        debug_keys;
+        struct vki_xen_sysctl_debug_keys        debug_keys;
         //struct vki_xen_sysctl_getcpuinfo        getcpuinfo;
         //struct vki_xen_sysctl_availheap         availheap;
         //struct vki_xen_sysctl_get_pmstat        get_pmstat;
-- 
1.7.10.4


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