[Xen-devel] [RFC PATCH v5 09/10] xen/arm: add XEN_SYSCTL_cpufreq_op definition

[Oleksandr Dmytryshyn <oleksandr.dmytryshyn@xxxxxxxxxxxxxxx>]

Kernel uses this op to start/stop cpufreq notification
events sending.

Signed-off-by: Oleksandr Dmytryshyn <oleksandr.dmytryshyn@xxxxxxxxxxxxxxx>
---
 include/xen/interface/sysctl.h | 10 ++++++++++
 1 file changed, 10 insertions(+)

diff --git a/include/xen/interface/sysctl.h b/include/xen/interface/sysctl.h
index 97c91b0..a4d52e5 100644
--- a/include/xen/interface/sysctl.h
+++ b/include/xen/interface/sysctl.h
@@ -63,14 +63,24 @@ struct xen_sysctl_physinfo {
 };
 DEFINE_GUEST_HANDLE_STRUCT(xen_sysctl_physinfo);
 
+#define XEN_SYSCTL_CPUFREQ_event_start     0
+#define XEN_SYSCTL_CPUFREQ_event_stop      1
+
+struct xen_sysctl_cpufreq_op {
+       uint32_t cmd;         /* XEN_SYSCTL_CPUFREQ_* */
+       uint32_t port;        /* OUT: event channel for notifications */
+};
+DEFINE_GUEST_HANDLE_STRUCT(xen_sysctl_cpufreq_op);
 
 
 struct xen_sysctl {
        uint32_t cmd;
 #define XEN_SYSCTL_physinfo                       3
+#define XEN_SYSCTL_cpufreq_op                    21
        uint32_t interface_version; /* XEN_SYSCTL_INTERFACE_VERSION */
        union {
                struct xen_sysctl_physinfo          physinfo;
+               struct xen_sysctl_cpufreq_op        cpufreq_op;
                uint8_t                             pad[128];
        } u;
 };
-- 
1.9.1


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