[PATCH v3 5/9] tools/libxc: add xc_monitor_privileged_call

[Tamas K Lengyel <tamas@tklengyel.com>]

These are the user-space components for the new ARM SMC events.

Signed-off-by: Tamas K Lengyel <tamas@tklengyel.com>
Acked-by: Wei Liu <wei.liu2@citrix.com>
---
Cc: Ian Jackson <ian.jackson@eu.citrix.com>
---
 tools/libxc/include/xenctrl.h |  2 ++
 tools/libxc/xc_monitor.c      | 24 ++++++++++++++++++++++++
 2 files changed, 26 insertions(+)

diff --git a/tools/libxc/include/xenctrl.h b/tools/libxc/include/xenctrl.h
index 42f201b..4b75ae4 100644
--- a/tools/libxc/include/xenctrl.h
+++ b/tools/libxc/include/xenctrl.h
@@ -2160,6 +2160,8 @@ int xc_monitor_software_breakpoint(xc_interface *xch, domid_t domain_id,
                                    bool enable);
 int xc_monitor_guest_request(xc_interface *xch, domid_t domain_id,
                              bool enable, bool sync);
+int xc_monitor_privileged_call(xc_interface *xch, domid_t domain_id,
+                               bool enable);
 
 /**
  * This function enables / disables emulation for each REP for a
diff --git a/tools/libxc/xc_monitor.c b/tools/libxc/xc_monitor.c
index b1705dd..2cb4247 100644
--- a/tools/libxc/xc_monitor.c
+++ b/tools/libxc/xc_monitor.c
@@ -156,3 +156,27 @@ int xc_monitor_emulate_each_rep(xc_interface *xch, domid_t domain_id,
 
     return do_domctl(xch, &domctl);
 }
+
+int xc_monitor_privileged_call(xc_interface *xch, domid_t domain_id,
+                               bool enable)
+{
+    DECLARE_DOMCTL;
+
+    domctl.cmd = XEN_DOMCTL_monitor_op;
+    domctl.domain = domain_id;
+    domctl.u.monitor_op.op = enable ? XEN_DOMCTL_MONITOR_OP_ENABLE
+                                    : XEN_DOMCTL_MONITOR_OP_DISABLE;
+    domctl.u.monitor_op.event = XEN_DOMCTL_MONITOR_EVENT_PRIVILEGED_CALL;
+
+    return do_domctl(xch, &domctl);
+}
+
+/*
++ * Local variables:
++ * mode: C
++ * c-file-style: "BSD"
++ * c-basic-offset: 4
++ * tab-width: 4
++ * indent-tabs-mode: nil
++ * End:
++ */
-- 
2.8.1


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