1 files changed, 50 insertions, 0 deletions

diff --git a/arch/i386/oprofile/op_x86_model.h b/arch/i386/oprofile/op_x86_model.h
new file mode 100644
index 00000000000..123b7e90a9e
--- /dev/null
+++ b/arch/i386/oprofile/op_x86_model.h
@@ -0,0 +1,50 @@
+/**
+ * @file op_x86_model.h
+ * interface to x86 model-specific MSR operations
+ *
+ * @remark Copyright 2002 OProfile authors
+ * @remark Read the file COPYING
+ *
+ * @author Graydon Hoare
+ */
+
+#ifndef OP_X86_MODEL_H
+#define OP_X86_MODEL_H
+
+struct op_saved_msr {
+        unsigned int high;
+        unsigned int low;
+};
+
+struct op_msr {
+        unsigned long addr;
+        struct op_saved_msr saved;
+};
+
+struct op_msrs {
+        struct op_msr * counters;
+        struct op_msr * controls;
+};
+
+struct pt_regs;
+
+/* The model vtable abstracts the differences between
+ * various x86 CPU model's perfctr support.
+ */
+struct op_x86_model_spec {
+        unsigned int const num_counters;
+        unsigned int const num_controls;
+        void (*fill_in_addresses)(struct op_msrs * const msrs);
+        void (*setup_ctrs)(struct op_msrs const * const msrs);
+        int (*check_ctrs)(struct pt_regs * const regs,
+                struct op_msrs const * const msrs);
+        void (*start)(struct op_msrs const * const msrs);
+        void (*stop)(struct op_msrs const * const msrs);
+};
+
+extern struct op_x86_model_spec const op_ppro_spec;
+extern struct op_x86_model_spec const op_p4_spec;
+extern struct op_x86_model_spec const op_p4_ht2_spec;
+extern struct op_x86_model_spec const op_athlon_spec;
+
+#endif /* OP_X86_MODEL_H */