perf/x86: Prettify pmu config literals

I got somewhat tired of having to decode hex numbers..

Signed-off-by: Peter Zijlstra <a.p.zijlstra@chello.nl>
Acked-by: Thomas Gleixner <tglx@linutronix.de>
Cc: Stephane Eranian <eranian@google.com>
Cc: Robert Richter <robert.richter@amd.com>
Link: http://lkml.kernel.org/n/tip-0vsy1sgywc4uar3mu1szm0rg@git.kernel.org
Signed-off-by: Ingo Molnar <mingo@elte.hu>

1 files changed, 23 insertions, 0 deletions

diff --git a/arch/x86/kernel/cpu/perf_event.h b/arch/x86/kernel/cpu/perf_event.h
index 82db83b5c3bc..66fda0c26402 100644
--- a/arch/x86/kernel/cpu/perf_event.h
+++ b/arch/x86/kernel/cpu/perf_event.h
@@ -268,6 +268,29 @@ struct x86_pmu_quirk {
         void (*func)(void);
 };
 
+union x86_pmu_config {
+        struct {
+                u64 event:8,
+                    umask:8,
+                    usr:1,
+                    os:1,
+                    edge:1,
+                    pc:1,
+                    interrupt:1,
+                    __reserved1:1,
+                    en:1,
+                    inv:1,
+                    cmask:8,
+                    event2:4,
+                    __reserved2:4,
+                    go:1,
+                    ho:1;
+        } bits;
+        u64 value;
+};
+
+#define X86_CONFIG(args...) ((union x86_pmu_config){.bits = {args}}).value
+
 /*
  * struct x86_pmu - generic x86 pmu
  */