61d149d524
This patch implements a common x86 function to convert virtual counter numbers to physical. Signed-off-by: Robert Richter <robert.richter@amd.com>
71 lines
1.9 KiB
C
71 lines
1.9 KiB
C
/**
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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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* @author Robert Richter <robert.richter@amd.com>
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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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#include <asm/types.h>
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#include <asm/perf_counter.h>
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struct op_msr {
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unsigned long addr;
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u64 saved;
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};
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struct op_msrs {
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struct op_msr *counters;
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struct op_msr *controls;
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struct op_msr *multiplex;
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};
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struct pt_regs;
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struct oprofile_operations;
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/* The model vtable abstracts the differences between
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* various x86 CPU models' perfctr support.
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*/
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struct op_x86_model_spec {
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unsigned int num_counters;
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unsigned int num_controls;
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unsigned int num_virt_counters;
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u64 reserved;
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u16 event_mask;
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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_x86_model_spec const *model,
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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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#ifdef CONFIG_OPROFILE_EVENT_MULTIPLEX
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void (*switch_ctrl)(struct op_x86_model_spec const *model,
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struct op_msrs const * const msrs);
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#endif
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};
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struct op_counter_config;
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extern u64 op_x86_get_ctrl(struct op_x86_model_spec const *model,
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struct op_counter_config *counter_config);
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extern int op_x86_phys_to_virt(int phys);
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extern int op_x86_virt_to_phys(int virt);
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extern struct op_x86_model_spec op_ppro_spec;
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extern struct op_x86_model_spec op_p4_spec;
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extern struct op_x86_model_spec op_p4_ht2_spec;
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extern struct op_x86_model_spec op_amd_spec;
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extern struct op_x86_model_spec op_arch_perfmon_spec;
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#endif /* OP_X86_MODEL_H */
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