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[v8,5/6] tools/libxc: add xc_monitor_privileged_call

Message ID 1467743871-9644-5-git-send-email-tamas.lengyel@zentific.com (mailing list archive)
State New, archived
Headers show

Commit Message

Tamas Lengyel July 5, 2016, 6:37 p.m. UTC 
These are the user-space components for the new ARM SMC events.

Signed-off-by: Tamas K Lengyel <tamas.lengyel@zentific.com>
Acked-by: Wei Liu <wei.liu2@citrix.com>
---
Cc: Ian Jackson <ian.jackson@eu.citrix.com>
---
 tools/libxc/include/xenctrl.h |  3 +++
 tools/libxc/xc_monitor.c      | 14 ++++++++++++++
 2 files changed, 17 insertions(+)
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Patch

diff --git a/tools/libxc/include/xenctrl.h b/tools/libxc/include/xenctrl.h
index 4a85b4a..5249d06 100644
--- a/tools/libxc/include/xenctrl.h
+++ b/tools/libxc/include/xenctrl.h
@@ -2167,6 +2167,9 @@  int xc_monitor_guest_request(xc_interface *xch, domid_t domain_id,
                              bool enable, bool sync);
 int xc_monitor_debug_exceptions(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
  * REP-compatible instruction.
diff --git a/tools/libxc/xc_monitor.c b/tools/libxc/xc_monitor.c
index 264992c..61da88d 100644
--- a/tools/libxc/xc_monitor.c
+++ b/tools/libxc/xc_monitor.c
@@ -172,6 +172,20 @@  int xc_monitor_debug_exceptions(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