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 <ray.huang@amd.com>
Acked-by: Borislav Petkov <bp@suse.de>
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>

diff --git a/arch/x86/include/asm/msr-index.h b/arch/x86/include/asm/msr-index.h
index 01e2650..3faf0f9 100644 (file)
--- a/arch/x86/include/asm/msr-index.h
+++ b/arch/x86/include/asm/msr-index.h
@@ -486,6 +486,23 @@
 
 #define MSR_AMD64_VIRT_SPEC_CTRL       0xc001011f
 
+/* AMD Collaborative Processor Performance Control MSRs */
+#define MSR_AMD_CPPC_CAP1              0xc00102b0
+#define MSR_AMD_CPPC_ENABLE            0xc00102b1
+#define MSR_AMD_CPPC_CAP2              0xc00102b2
+#define MSR_AMD_CPPC_REQ               0xc00102b3
+#define MSR_AMD_CPPC_STATUS            0xc00102b4
+
+#define AMD_CPPC_LOWEST_PERF(x)                (((x) >> 0) & 0xff)
+#define AMD_CPPC_LOWNONLIN_PERF(x)     (((x) >> 8) & 0xff)
+#define AMD_CPPC_NOMINAL_PERF(x)       (((x) >> 16) & 0xff)
+#define AMD_CPPC_HIGHEST_PERF(x)       (((x) >> 24) & 0xff)
+
+#define AMD_CPPC_MAX_PERF(x)           (((x) & 0xff) << 0)
+#define AMD_CPPC_MIN_PERF(x)           (((x) & 0xff) << 8)
+#define AMD_CPPC_DES_PERF(x)           (((x) & 0xff) << 16)
+#define AMD_CPPC_ENERGY_PERF_PREF(x)   (((x) & 0xff) << 24)
+
 /* Fam 17h MSRs */
 #define MSR_F17H_IRPERF                        0xc00000e9