| Message ID | 20250515211950.3102922-4-superm1@kernel.org |
|---|---|
| State | New |
| Headers | show |
| Series | Add support for AMD hardware feedback interface | expand |
* Mario Limonciello <superm1@kernel.org> wrote: > From: Perry Yuan <perry.yuan@amd.com> > > Introduces new MSR registers for AMD hardware feedback support. > These registers enable the system to provide workload classification > and configuration capabilities. > > Reviewed-by: Gautham R. Shenoy <gautham.shenoy@amd.com> > Signed-off-by: Perry Yuan <perry.yuan@amd.com> > Signed-off-by: Mario Limonciello <mario.limonciello@amd.com> > --- > arch/x86/include/asm/msr-index.h | 5 +++++ > 1 file changed, 5 insertions(+) > > diff --git a/arch/x86/include/asm/msr-index.h b/arch/x86/include/asm/msr-index.h > index b7dded3c81132..8e6db9a9f53c0 100644 > --- a/arch/x86/include/asm/msr-index.h > +++ b/arch/x86/include/asm/msr-index.h > @@ -732,6 +732,11 @@ > #define MSR_AMD64_PERF_CNTR_GLOBAL_CTL 0xc0000301 > #define MSR_AMD64_PERF_CNTR_GLOBAL_STATUS_CLR 0xc0000302 > > +/* AMD Hardware Feedback Support MSRs */ > +#define AMD_WORKLOAD_CLASS_CONFIG 0xc0000500 > +#define AMD_WORKLOAD_CLASS_ID 0xc0000501 > +#define AMD_WORKLOAD_HRST 0xc0000502 Can we follow the existing pattern of MSR_AMD64_* or MSR_AMD_* that 99% of the indices in this header are following? Thanks, Ingo
diff --git a/arch/x86/include/asm/msr-index.h b/arch/x86/include/asm/msr-index.h index b7dded3c81132..8e6db9a9f53c0 100644 --- a/arch/x86/include/asm/msr-index.h +++ b/arch/x86/include/asm/msr-index.h @@ -732,6 +732,11 @@ #define MSR_AMD64_PERF_CNTR_GLOBAL_CTL 0xc0000301 #define MSR_AMD64_PERF_CNTR_GLOBAL_STATUS_CLR 0xc0000302 +/* AMD Hardware Feedback Support MSRs */ +#define AMD_WORKLOAD_CLASS_CONFIG 0xc0000500 +#define AMD_WORKLOAD_CLASS_ID 0xc0000501 +#define AMD_WORKLOAD_HRST 0xc0000502 + /* AMD Last Branch Record MSRs */ #define MSR_AMD64_LBR_SELECT 0xc000010e