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2 #ifndef __ASM_POWERPC_IMC_PMU_H
3 #define __ASM_POWERPC_IMC_PMU_H
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13 #include <linux/perf_event.h>
14 #include <linux/slab.h>
15 #include <linux/of.h>
16 #include <linux/io.h>
17 #include <asm/opal.h>
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21
22 #define IMC_DTB_COMPAT "ibm,opal-in-memory-counters"
23 #define IMC_DTB_UNIT_COMPAT "ibm,imc-counters"
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29
30 #define THREAD_IMC_LDBAR_MASK 0x0003ffffffffe000ULL
31 #define THREAD_IMC_ENABLE 0x8000000000000000ULL
32 #define TRACE_IMC_ENABLE 0x4000000000000000ULL
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35
36
37 #define IMC_CNTL_BLK_OFFSET 0x3FC00
38 #define IMC_CNTL_BLK_CMD_OFFSET 8
39 #define IMC_CNTL_BLK_MODE_OFFSET 32
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44 struct imc_mem_info {
45 u64 *vbase;
46 u32 id;
47 };
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52 struct imc_events {
53 u32 value;
54 char *name;
55 char *unit;
56 char *scale;
57 };
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76 struct trace_imc_data {
77 u64 tb1;
78 u64 ip;
79 u64 val;
80 u64 cpmc1;
81 u64 cpmc2;
82 u64 cpmc3;
83 u64 cpmc4;
84 u64 tb2;
85 };
86
87
88 #define IMC_FORMAT_ATTR 0
89 #define IMC_EVENT_ATTR 1
90 #define IMC_CPUMASK_ATTR 2
91 #define IMC_NULL_ATTR 3
92
93
94 #define IMC_EVENT_OFFSET_MASK 0xffffffffULL
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100 #define IMC_TRACE_RECORD_TB1_MASK 0x3ffffffffffULL
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110 struct imc_pmu {
111 struct pmu pmu;
112 struct imc_mem_info *mem_info;
113 struct imc_events *events;
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120 const struct attribute_group *attr_groups[4];
121 u32 counter_mem_size;
122 int domain;
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127 bool imc_counter_mmaped;
128 };
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134 struct imc_pmu_ref {
135 struct mutex lock;
136 unsigned int id;
137 int refc;
138 };
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146 enum {
147 IMC_TYPE_THREAD = 0x1,
148 IMC_TYPE_TRACE = 0x2,
149 IMC_TYPE_CORE = 0x4,
150 IMC_TYPE_CHIP = 0x10,
151 };
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156 #define IMC_DOMAIN_NEST 1
157 #define IMC_DOMAIN_CORE 2
158 #define IMC_DOMAIN_THREAD 3
159
160 #define IMC_DOMAIN_TRACE 4
161
162 extern int init_imc_pmu(struct device_node *parent,
163 struct imc_pmu *pmu_ptr, int pmu_id);
164 extern void thread_imc_disable(void);
165 extern int get_max_nest_dev(void);
166 extern void unregister_thread_imc(void);
167 #endif