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openSUSE:12.2
xen
x86-cpufreq-report.patch
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File x86-cpufreq-report.patch of Package xen
--- a/xen/arch/x86/platform_hypercall.c +++ b/xen/arch/x86/platform_hypercall.c @@ -23,7 +23,7 @@ #include <xen/cpu.h> #include <asm/current.h> #include <public/platform.h> -#include <acpi/cpufreq/processor_perf.h> +#include <acpi/cpufreq/cpufreq.h> #include <asm/edd.h> #include <asm/mtrr.h> #include <asm/io_apic.h> @@ -565,6 +565,42 @@ ret_t do_platform_op(XEN_GUEST_HANDLE(xe op->u.mem_add.epfn, op->u.mem_add.pxm); break; + + case XENPF_get_cpu_freq: + case XENPF_get_cpu_freq_min: + case XENPF_get_cpu_freq_max: + { + struct vcpu *v; + const struct cpufreq_policy *policy; + + if ( op->u.get_cpu_freq.vcpu >= current->domain->max_vcpus || + !(v = current->domain->vcpu[op->u.get_cpu_freq.vcpu]) ) + { + ret = -EINVAL; + break; + } + + policy = per_cpu(cpufreq_cpu_policy, v->processor); + switch ( op->cmd & -!!policy ) + { + case XENPF_get_cpu_freq: + op->u.get_cpu_freq.freq = policy->cur; + break; + case XENPF_get_cpu_freq_min: + op->u.get_cpu_freq.freq = policy->min; + break; + case XENPF_get_cpu_freq_max: + op->u.get_cpu_freq.freq = policy->max; + break; + default: + op->u.get_cpu_freq.freq = 0; + break; + } + if ( copy_field_to_guest(u_xenpf_op, op, u.get_cpu_freq.freq) ) + ret = -EFAULT; + } + break; + default: ret = -ENOSYS; break; --- a/xen/include/public/platform.h +++ b/xen/include/public/platform.h @@ -466,6 +466,16 @@ struct xenpf_mem_hotadd uint32_t flags; }; +#define XENPF_get_cpu_freq ('N' << 24) +#define XENPF_get_cpu_freq_min (XENPF_get_cpu_freq + 1) +#define XENPF_get_cpu_freq_max (XENPF_get_cpu_freq_min + 1) +struct xenpf_get_cpu_freq { + /* IN variables */ + uint32_t vcpu; + /* OUT variables */ + uint32_t freq; /* in kHz */ +}; + struct xen_platform_op { uint32_t cmd; uint32_t interface_version; /* XENPF_INTERFACE_VERSION */ @@ -487,6 +497,7 @@ struct xen_platform_op { struct xenpf_cpu_ol cpu_ol; struct xenpf_cpu_hotadd cpu_add; struct xenpf_mem_hotadd mem_add; + struct xenpf_get_cpu_freq get_cpu_freq; uint8_t pad[128]; } u; };
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