Messages in this thread | | | Date | Mon, 1 Nov 2021 17:14:47 +0800 | From | Huang Rui <> | Subject | Re: [PATCH v3 17/21] cpupower: add amd-pstate sysfs definition and access helper |
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On Fri, Oct 29, 2021 at 10:10:13PM +0800, Limonciello, Mario wrote: > On 10/29/2021 08:02, Huang Rui wrote: > > Introduce the marco definitions and access helper function for > > You've got a spelling error here.
Thanks, it's should be "macro".
Ray
> > > amd-pstate sysfs interfaces such as each performance goals and frequency > > levels in amd helper file. They will be used to read the sysfs attribute > > from amd-pstate cpufreq driver for cpupower utilities. > > > > Signed-off-by: Huang Rui <ray.huang@amd.com> > > --- > > tools/power/cpupower/utils/helpers/amd.c | 37 ++++++++++++++++++++++++ > > 1 file changed, 37 insertions(+) > > > > diff --git a/tools/power/cpupower/utils/helpers/amd.c b/tools/power/cpupower/utils/helpers/amd.c > > index 97f2c857048e..f233a6ab75ac 100644 > > --- a/tools/power/cpupower/utils/helpers/amd.c > > +++ b/tools/power/cpupower/utils/helpers/amd.c > > @@ -8,7 +8,9 @@ > > #include <pci/pci.h> > > > > #include "helpers/helpers.h" > > +#include "cpufreq.h" > > > > +/* ACPI P-States Helper Functions for AMD Processors ***************/ > #define MSR_AMD_PSTATE_STATUS 0xc0010063 > > #define MSR_AMD_PSTATE 0xc0010064 > > #define MSR_AMD_PSTATE_LIMIT 0xc0010061 > > @@ -146,4 +148,39 @@ int amd_pci_get_num_boost_states(int *active, int *states) > > pci_cleanup(pci_acc); > > return 0; > > } > > + > > +/* ACPI P-States Helper Functions for AMD Processors ***************/ > > + > > +/* AMD P-States Helper Functions ***************/ > > +enum amd_pstate_value { > > + AMD_PSTATE_HIGHEST_PERF, > > + AMD_PSTATE_NOMINAL_PERF, > > + AMD_PSTATE_LOWEST_NONLINEAR_PERF, > > + AMD_PSTATE_LOWEST_PERF, > > + AMD_PSTATE_MAX_FREQ, > > + AMD_PSTATE_NOMINAL_FREQ, > > + AMD_PSTATE_LOWEST_NONLINEAR_FREQ, > > + MAX_AMD_PSTATE_VALUE_READ_FILES > > +}; > > + > > +static const char *amd_pstate_value_files[MAX_AMD_PSTATE_VALUE_READ_FILES] = { > > + [AMD_PSTATE_HIGHEST_PERF] = "amd_pstate_highest_perf", > > + [AMD_PSTATE_NOMINAL_PERF] = "amd_pstate_nominal_perf", > > + [AMD_PSTATE_LOWEST_NONLINEAR_PERF] = "amd_pstate_lowest_nonlinear_perf", > > + [AMD_PSTATE_LOWEST_PERF] = "amd_pstate_lowest_perf", > > + [AMD_PSTATE_MAX_FREQ] = "amd_pstate_max_freq", > > + [AMD_PSTATE_NOMINAL_FREQ] = "amd_pstate_nominal_freq", > > + [AMD_PSTATE_LOWEST_NONLINEAR_FREQ] = "amd_pstate_lowest_nonlinear_freq", > > +}; > > + > > +static unsigned long amd_pstate_get_data(unsigned int cpu, > > + enum amd_pstate_value value) > > +{ > > + return cpufreq_get_sysfs_value_from_table(cpu, > > + amd_pstate_value_files, > > + value, > > + MAX_AMD_PSTATE_VALUE_READ_FILES); > > +} > > + > > +/* AMD P-States Helper Functions ***************/ > > #endif /* defined(__i386__) || defined(__x86_64__) */ > > >
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