diff options
| -rw-r--r-- | arch/x86/include/asm/msr-index.h | 1 | ||||
| -rw-r--r-- | drivers/powercap/intel_rapl_common.c | 6 | ||||
| -rw-r--r-- | drivers/powercap/intel_rapl_msr.c | 20 |
3 files changed, 26 insertions, 1 deletions
diff --git a/arch/x86/include/asm/msr-index.h b/arch/x86/include/asm/msr-index.h index 21917e134ad4..c36a083c8ec0 100644 --- a/arch/x86/include/asm/msr-index.h +++ b/arch/x86/include/asm/msr-index.h @@ -327,6 +327,7 @@ #define MSR_PP1_POLICY 0x00000642 #define MSR_AMD_RAPL_POWER_UNIT 0xc0010299 +#define MSR_AMD_CORE_ENERGY_STATUS 0xc001029a #define MSR_AMD_PKG_ENERGY_STATUS 0xc001029b /* Config TDP MSRs */ diff --git a/drivers/powercap/intel_rapl_common.c b/drivers/powercap/intel_rapl_common.c index 70d6d52bc1e2..1ecd09424445 100644 --- a/drivers/powercap/intel_rapl_common.c +++ b/drivers/powercap/intel_rapl_common.c @@ -1011,6 +1011,10 @@ static const struct rapl_defaults rapl_defaults_cht = { .compute_time_window = rapl_compute_time_window_atom, }; +static const struct rapl_defaults rapl_defaults_amd = { + .check_unit = rapl_check_unit_core, +}; + static const struct x86_cpu_id rapl_ids[] __initconst = { X86_MATCH_INTEL_FAM6_MODEL(SANDYBRIDGE, &rapl_defaults_core), X86_MATCH_INTEL_FAM6_MODEL(SANDYBRIDGE_X, &rapl_defaults_core), @@ -1061,6 +1065,8 @@ static const struct x86_cpu_id rapl_ids[] __initconst = { X86_MATCH_INTEL_FAM6_MODEL(XEON_PHI_KNL, &rapl_defaults_hsw_server), X86_MATCH_INTEL_FAM6_MODEL(XEON_PHI_KNM, &rapl_defaults_hsw_server), + + X86_MATCH_VENDOR_FAM(AMD, 0x17, &rapl_defaults_amd), {} }; MODULE_DEVICE_TABLE(x86cpu, rapl_ids); diff --git a/drivers/powercap/intel_rapl_msr.c b/drivers/powercap/intel_rapl_msr.c index a819b3b89b2f..78213d4b5b16 100644 --- a/drivers/powercap/intel_rapl_msr.c +++ b/drivers/powercap/intel_rapl_msr.c @@ -49,6 +49,14 @@ static struct rapl_if_priv rapl_msr_priv_intel = { .limits[RAPL_DOMAIN_PLATFORM] = 2, }; +static struct rapl_if_priv rapl_msr_priv_amd = { + .reg_unit = MSR_AMD_RAPL_POWER_UNIT, + .regs[RAPL_DOMAIN_PACKAGE] = { + 0, MSR_AMD_PKG_ENERGY_STATUS, 0, 0, 0 }, + .regs[RAPL_DOMAIN_PP0] = { + 0, MSR_AMD_CORE_ENERGY_STATUS, 0, 0, 0 }, +}; + /* Handles CPU hotplug on multi-socket systems. * If a CPU goes online as the first CPU of the physical package * we add the RAPL package to the system. Similarly, when the last @@ -138,7 +146,17 @@ static int rapl_msr_probe(struct platform_device *pdev) const struct x86_cpu_id *id = x86_match_cpu(pl4_support_ids); int ret; - rapl_msr_priv = &rapl_msr_priv_intel; + switch (boot_cpu_data.x86_vendor) { + case X86_VENDOR_INTEL: + rapl_msr_priv = &rapl_msr_priv_intel; + break; + case X86_VENDOR_AMD: + rapl_msr_priv = &rapl_msr_priv_amd; + break; + default: + pr_err("intel-rapl does not support CPU vendor %d\n", boot_cpu_data.x86_vendor); + return -ENODEV; + } rapl_msr_priv->read_raw = rapl_msr_read_raw; rapl_msr_priv->write_raw = rapl_msr_write_raw; |