diff options
Diffstat (limited to 'usr/src/uts/intel/sys/x86_archext.h')
| -rw-r--r-- | usr/src/uts/intel/sys/x86_archext.h | 6 |
1 files changed, 6 insertions, 0 deletions
diff --git a/usr/src/uts/intel/sys/x86_archext.h b/usr/src/uts/intel/sys/x86_archext.h index 4c90135fc8..e5f1cababc 100644 --- a/usr/src/uts/intel/sys/x86_archext.h +++ b/usr/src/uts/intel/sys/x86_archext.h @@ -383,6 +383,11 @@ extern "C" { #define CPUID_CSTATE_ARAT (0x4) /* + * Intel ENERGY_PERF_BIAS MSR indicated by feature bit CPUID.6.ECX[3]. + */ +#define CPUID_EPB_SUPPORT (1 << 3) + +/* * x86_type is a legacy concept; this is supplanted * for most purposes by x86_feature; modern CPUs * should be X86_TYPE_OTHER @@ -657,6 +662,7 @@ extern uint32_t *cpuid_mwait_alloc(struct cpu *); extern void cpuid_mwait_free(struct cpu *); extern int cpuid_deep_cstates_supported(void); extern int cpuid_arat_supported(void); +extern int cpuid_iepb_supported(struct cpu *); extern int vmware_platform(void); #endif |