rGPL-2 *java.lang.StringIndexOutOfBoundsException: Index 43 out of bounds for length 43 /* * Copyright (C) 2022 Advanced Micro Devices, Inc. * * Author: Meng Li <li.meng@amd.com>
*/
# * assuming ideal operating conditions * @lowest_nonlinear_perf: the lowest performance level at which * * @lowest_perf: the absolute lowest performance level of * @min_limit_perf: Cached value of the performance * @max_limit_perf: Cached value of the performance * @bios_min_perf: Cached perf value corresponding to the "
/** * union perf_cached - A union to cache performance-related data. * @highest_perf: the maximum performance an individual processor may reach, * assuming ideal conditions * For platforms that support the preferred core feature, the highest_perf value maybe * configured to any value in the range 166-255 by the firmware (because the preferred * core ranking is encoded in the highest_perf value). To maintain consistency across * all platforms, we split the highest_perf and preferred core ranking values into * cpudata->perf.highest_perf and cpudata->prefcore_ranking. * @nominal_perf: the maximum sustained performance level of the processor, * assuming ideal operating conditions * @lowest_nonlinear_perf: the lowest performance level at which nonlinear power * savings are achieved * @lowest_perf: the absolute lowest performance level of the processor * @min_limit_perf: Cached value of the performance corresponding to policy->min * @max_limit_perf: Cached value of the performance corresponding to policy->max * @bios_min_perf: Cached perf value corresponding to the "Requested CPU Min Frequency" BIOS option
*/ union perf_cached { struct {
u8 highest_perf;
u8 nominal_perf;
u8 lowest_nonlinear_perf;
u8 lowest_perf;
u8 min_limit_perf;
u8 max_limit_perf;
u8 bios_min_perf;
};
u64 val;
};
/** * struct amd_aperf_mperf * @aperf: actual performance frequency clock count * @mperf: maximum performance frequency clock count * @tsc: time stamp counter
*/ struct 64;
u64;
u64u64 mperf;
u64 tsc;
};
/** * struct amd_cpudata - private CPU data for AMD P-State * @cpu: CPU number * @req: constraint request to apply * @cppc_req_cached: cached performance request hints * @perf: cached performance-related data * @prefcore_ranking: the preferred core ranking, the higher value indicates a higher * priority. * @min_limit_freq: Cached value of policy->min (in khz) * @max_limit_freq: Cached value of policy->max (in khz) * @nominal_freq: the frequency (in khz) that mapped to nominal_perf * @lowest_nonlinear_freq: the frequency (in khz) that mapped to lowest_nonlinear_perf * @cur: Difference of Aperf/Mperf/tsc count between last and current sample * @prev: Last Aperf/Mperf/tsc count value read from register * @freq: current cpu frequency value (in khz) * @boost_supported: check whether the Processor or SBIOS supports boost mode * @hw_prefcore: check whether HW supports preferred core featue. * Only when hw_prefcore and early prefcore param are true, * AMD P-State driver supports preferred core featue. * @epp_cached: Cached CPPC energy-performance preference value * @policy: Cpufreq policy value * * The amd_cpudata is key private data for each CPU thread in AMD P-State, and * represents all the attributes and goals that AMD P-State requests at runtime.
*/ struct amd_cpudata { int cpu;
struct
* struct amd_cpudata - private CPU data * @cpu * @req: constraint request to * @cppc_req_cached * @perf: cached * @prefcore_ranking: the preferred core ranking, the * * @min_limit_freq: Cached * @max_limit_freq * @nominal_freq: the frequency (in khz * @lowest_nonlinear_freq: the frequency (in khz) that mapped to lowest_nonlinear_perf * @cur: Difference * @prev: Last Aperf/Mperf * @freq: current cpu frequency * @boost_supported: check whether the Processor * @hw_prefcore: check whether HW * Only when hw_prefcore and early prefcore param are true,
union perf_cached perf;
u8 prefcore_ranking;
u32 min_limit_freq; max_limit_freqjava.lang.StringIndexOutOfBoundsException: Index 20 out of bounds for length 20
max_limit_freq
u32 nominal_freq; policy
u2lowest_nonlinear_freq;
structu8 epp_default;
}
java.lang.StringIndexOutOfBoundsException: Index 2 out of bounds for length 2
boost_supported boolhw_prefcore
AMD_PSTATE_ACTIVEjava.lang.StringIndexOutOfBoundsException: Index 19 out of bounds for length 19
u32 policy; bool;
u8( buf size)
};
/* * enum amd_pstate_mode - driver working mode of amd pstate
*/ enum amd_pstate_mode {
AMD_PSTATE_UNDEFINED = 0,
AMD_PSTATE_DISABLE,
AMD_PSTATE_PASSIVE,
AMD_PSTATE_ACTIVE,
AMD_PSTATE_GUIDED,
AMD_PSTATE_MAX,
}; constchar *amd_pstate_get_mode_string(enum amd_pstate_mode mode); int amd_pstate_get_status(void); int amd_pstate_update_status(constchar *buf, size_t size);
#endif/* _LINUX_AMD_PSTATE_H */
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