2005-04-17 00:20:36 +02:00
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/**
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* @file op_x86_model.h
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* interface to x86 model-specific MSR operations
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*
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* @remark Copyright 2002 OProfile authors
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* @remark Read the file COPYING
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*
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* @author Graydon Hoare
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*/
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#ifndef OP_X86_MODEL_H
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#define OP_X86_MODEL_H
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2009-05-22 15:36:29 +02:00
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#define CTR_IS_RESERVED(msrs, c) (msrs->counters[(c)].addr ? 1 : 0)
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#define CTRL_IS_RESERVED(msrs, c) (msrs->controls[(c)].addr ? 1 : 0)
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#define CTRL_SET_ACTIVE(n) (n |= (1<<22))
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#define CTRL_SET_ENABLE(val) (val |= 1<<20)
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#define CTRL_SET_INACTIVE(n) (n &= ~(1<<22))
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#define CTRL_SET_KERN(val, k) (val |= ((k & 1) << 17))
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#define CTRL_SET_UM(val, m) (val |= (m << 8))
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#define CTRL_SET_USR(val, u) (val |= ((u & 1) << 16))
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2005-04-17 00:20:36 +02:00
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struct op_saved_msr {
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unsigned int high;
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unsigned int low;
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};
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struct op_msr {
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unsigned long addr;
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struct op_saved_msr saved;
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};
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struct op_msrs {
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2008-09-05 17:12:36 +02:00
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struct op_msr *counters;
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struct op_msr *controls;
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2005-04-17 00:20:36 +02:00
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};
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struct pt_regs;
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/* The model vtable abstracts the differences between
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2007-10-20 01:13:56 +02:00
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* various x86 CPU models' perfctr support.
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2005-04-17 00:20:36 +02:00
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*/
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struct op_x86_model_spec {
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2009-05-28 02:12:36 +02:00
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unsigned int num_counters;
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unsigned int num_controls;
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int (*init)(struct oprofile_operations *ops);
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void (*exit)(void);
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void (*fill_in_addresses)(struct op_msrs * const msrs);
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void (*setup_ctrs)(struct op_msrs const * const msrs);
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int (*check_ctrs)(struct pt_regs * const regs,
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struct op_msrs const * const msrs);
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void (*start)(struct op_msrs const * const msrs);
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void (*stop)(struct op_msrs const * const msrs);
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void (*shutdown)(struct op_msrs const * const msrs);
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2005-04-17 00:20:36 +02:00
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};
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2009-05-14 17:10:52 +02:00
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extern struct op_x86_model_spec const op_ppro_spec;
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2005-04-17 00:20:36 +02:00
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extern struct op_x86_model_spec const op_p4_spec;
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extern struct op_x86_model_spec const op_p4_ht2_spec;
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2008-07-22 21:08:50 +02:00
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extern struct op_x86_model_spec const op_amd_spec;
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2008-08-18 14:50:31 +02:00
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extern struct op_x86_model_spec op_arch_perfmon_spec;
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2005-04-17 00:20:36 +02:00
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#endif /* OP_X86_MODEL_H */
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