1 files changed, 76 insertions, 0 deletions
diff --git a/arch/powerpc/perf/hv-gpci-requests.h b/arch/powerpc/perf/hv-gpci-requests.h
new file mode 100644
index 000000000000..80085444b1a0
--- /dev/null
+++ b/arch/powerpc/perf/hv-gpci-requests.h
@@ -0,0 +1,76 @@
+
+#include "req-gen/_begin.h"
+
+/*
+ * Based on the document "getPerfCountInfo v1.07"
+ */
+
+/*
+ * #define REQUEST_NAME counter_request_name
+ * #define REQUEST_NUM r_num
+ * #define REQUEST_IDX_KIND starting_index_kind
+ * #include I(REQUEST_BEGIN)
+ * REQUEST(
+ *	__field(...)
+ *	__field(...)
+ *	__array(...)
+ *	__count(...)
+ * )
+ * #include I(REQUEST_END)
+ *
+ * - starting_index_kind is one of the following, depending on the event:
+ *
+ *   chip_id: hardware chip id or -1 for current hw chip
+ *   phys_processor_idx:
+ *   0xffffffffffffffff: or -1, which means it is irrelavant for the event
+ *
+ * __count(offset, bytes, name):
+ *	a counter that should be exposed via perf
+ * __field(offset, bytes, name)
+ *	a normal field
+ * __array(offset, bytes, name)
+ *	an array of bytes
+ *
+ *
+ *	@bytes for __count, and __field _must_ be a numeral token
+ *	in decimal, not an expression and not in hex.
+ *
+ *
+ * TODO:
+ *	- expose secondary index (if any counter ever uses it, only 0xA0
+ *	  appears to use it right now, and it doesn't have any counters)
+ *	- embed versioning info
+ *	- include counter descriptions
+ */
+#define REQUEST_NAME dispatch_timebase_by_processor
+#define REQUEST_NUM 0x10
+#define REQUEST_IDX_KIND "phys_processor_idx=?"
+#include I(REQUEST_BEGIN)
+REQUEST(__count(0,	8,	processor_time_in_timebase_cycles)
+	__field(0x8,	4,	hw_processor_id)
+	__field(0xC,	2,	owning_part_id)
+	__field(0xE,	1,	processor_state)
+	__field(0xF,	1,	version)
+	__field(0x10,	4,	hw_chip_id)
+	__field(0x14,	4,	phys_module_id)
+	__field(0x18,	4,	primary_affinity_domain_idx)
+	__field(0x1C,	4,	secondary_affinity_domain_idx)
+	__field(0x20,	4,	processor_version)
+	__field(0x24,	2,	logical_processor_idx)
+	__field(0x26,	2,	reserved)
+	__field(0x28,	4,	processor_id_register)
+	__field(0x2C,	4,	phys_processor_idx)
+)
+#include I(REQUEST_END)
+
+#define REQUEST_NAME system_performance_capabilities
+#define REQUEST_NUM 0x40
+#define REQUEST_IDX_KIND "starting_index=0xffffffffffffffff"
+#include I(REQUEST_BEGIN)
+REQUEST(__field(0,	1,	perf_collect_privileged)
+	__field(0x1,	1,	capability_mask)
+	__array(0x2,	0xE,	reserved)
+)
+#include I(REQUEST_END)
+
+#include "req-gen/_end.h"