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1 | /** |
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2 | * @file op_x86_model.h |
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3 | * interface to x86 model-specific MSR operations |
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4 | * |
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5 | * @remark Copyright 2002 OProfile authors |
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6 | * @remark Read the file COPYING |
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7 | * |
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8 | * @author Graydon Hoare |
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9 | */ |
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10 | |
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11 | #ifndef OP_X86_MODEL_H |
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12 | #define OP_X86_MODEL_H |
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13 | |
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14 | struct op_saved_msr { |
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15 | unsigned int high; |
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16 | unsigned int low; |
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17 | }; |
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18 | |
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19 | struct op_msr { |
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20 | unsigned long addr; |
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21 | struct op_saved_msr saved; |
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22 | }; |
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23 | |
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24 | struct op_msrs { |
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25 | struct op_msr * counters; |
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26 | struct op_msr * controls; |
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27 | }; |
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28 | |
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29 | struct pt_regs; |
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30 | |
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31 | /* The model vtable abstracts the differences between |
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32 | * various x86 CPU model's perfctr support. |
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33 | */ |
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34 | struct op_x86_model_spec { |
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35 | unsigned int const num_counters; |
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36 | unsigned int const num_controls; |
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37 | void (*fill_in_addresses)(struct op_msrs * const msrs); |
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38 | void (*setup_ctrs)(struct op_msrs const * const msrs); |
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39 | int (*check_ctrs)(unsigned int const cpu, |
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40 | struct op_msrs const * const msrs, |
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41 | struct cpu_user_regs * const regs); |
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42 | void (*start)(struct op_msrs const * const msrs); |
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43 | void (*stop)(struct op_msrs const * const msrs); |
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44 | }; |
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45 | |
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46 | extern struct op_x86_model_spec const op_ppro_spec; |
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47 | extern struct op_x86_model_spec const op_p4_spec; |
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48 | extern struct op_x86_model_spec const op_p4_ht2_spec; |
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49 | extern struct op_x86_model_spec const op_athlon_spec; |
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50 | |
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51 | #endif /* OP_X86_MODEL_H */ |
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