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huangruirafaeljw
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x86/msr: Add AMD CPPC MSR definitions
AMD CPPC (Collaborative Processor Performance Control) function uses MSR registers to manage the performance hints. So add the MSR register macro here. Signed-off-by: Huang Rui <[email protected]> Acked-by: Borislav Petkov <[email protected]> Signed-off-by: Rafael J. Wysocki <[email protected]>
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arch/x86/include/asm/msr-index.h

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#define MSR_AMD64_VIRT_SPEC_CTRL 0xc001011f
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/* AMD Collaborative Processor Performance Control MSRs */
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#define MSR_AMD_CPPC_CAP1 0xc00102b0
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#define MSR_AMD_CPPC_ENABLE 0xc00102b1
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#define MSR_AMD_CPPC_CAP2 0xc00102b2
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#define MSR_AMD_CPPC_REQ 0xc00102b3
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#define MSR_AMD_CPPC_STATUS 0xc00102b4
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#define AMD_CPPC_LOWEST_PERF(x) (((x) >> 0) & 0xff)
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#define AMD_CPPC_LOWNONLIN_PERF(x) (((x) >> 8) & 0xff)
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#define AMD_CPPC_NOMINAL_PERF(x) (((x) >> 16) & 0xff)
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#define AMD_CPPC_HIGHEST_PERF(x) (((x) >> 24) & 0xff)
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#define AMD_CPPC_MAX_PERF(x) (((x) & 0xff) << 0)
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#define AMD_CPPC_MIN_PERF(x) (((x) & 0xff) << 8)
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#define AMD_CPPC_DES_PERF(x) (((x) & 0xff) << 16)
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#define AMD_CPPC_ENERGY_PERF_PREF(x) (((x) & 0xff) << 24)
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/* Fam 17h MSRs */
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#define MSR_F17H_IRPERF 0xc00000e9
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