Add the rt linux 4.1.3-rt3 as base

[kvmfornfv.git] / kernel / arch / powerpc / perf / hv-gpci.h

diff --git a/kernel/arch/powerpc/perf/hv-gpci.h b/kernel/arch/powerpc/perf/hv-gpci.h
new file mode 100644 (file)
index 0000000..86ede82
--- /dev/null
+++ b/kernel/arch/powerpc/perf/hv-gpci.h
@@ -0,0 +1,60 @@
+#ifndef LINUX_POWERPC_PERF_HV_GPCI_H_
+#define LINUX_POWERPC_PERF_HV_GPCI_H_
+
+#include <linux/types.h>
+
+/* From the document "H_GetPerformanceCounterInfo Interface" v1.07 */
+
+/* H_GET_PERF_COUNTER_INFO argument */
+struct hv_get_perf_counter_info_params {
+       __be32 counter_request; /* I */
+       __be32 starting_index;  /* IO */
+       __be16 secondary_index; /* IO */
+       __be16 returned_values; /* O */
+       __be32 detail_rc; /* O, only needed when called via *_norets() */
+
+       /*
+        * O, size each of counter_value element in bytes, only set for version
+        * >= 0x3
+        */
+       __be16 cv_element_size;
+
+       /* I, 0 (zero) for versions < 0x3 */
+       __u8 counter_info_version_in;
+
+       /* O, 0 (zero) if version < 0x3. Must be set to 0 when making hcall */
+       __u8 counter_info_version_out;
+       __u8 reserved[0xC];
+       __u8 counter_value[];
+} __packed;
+
+/*
+ * counter info version => fw version/reference (spec version)
+ *
+ * 8 => power8 (1.07)
+ * [7 is skipped by spec 1.07]
+ * 6 => TLBIE (1.07)
+ * 5 => v7r7m0.phyp (1.05)
+ * [4 skipped]
+ * 3 => v7r6m0.phyp (?)
+ * [1,2 skipped]
+ * 0 => v7r{2,3,4}m0.phyp (?)
+ */
+#define COUNTER_INFO_VERSION_CURRENT 0x8
+
+/* capability mask masks. */
+enum {
+       HV_GPCI_CM_GA = (1 << 7),
+       HV_GPCI_CM_EXPANDED = (1 << 6),
+       HV_GPCI_CM_LAB = (1 << 5)
+};
+
+#define REQUEST_FILE "../hv-gpci-requests.h"
+#define NAME_LOWER hv_gpci
+#define NAME_UPPER HV_GPCI
+#include "req-gen/perf.h"
+#undef REQUEST_FILE
+#undef NAME_LOWER
+#undef NAME_UPPER
+
+#endif