diff options
Diffstat (limited to 'include/xen')
| -rw-r--r-- | include/xen/interface/platform.h | 17 | ||||
| -rw-r--r-- | include/xen/interface/version.h | 15 |
2 files changed, 32 insertions, 0 deletions
diff --git a/include/xen/interface/platform.h b/include/xen/interface/platform.h index 4755b5fac9c7..5e36932ab407 100644 --- a/include/xen/interface/platform.h +++ b/include/xen/interface/platform.h @@ -324,6 +324,22 @@ struct xenpf_cpu_ol { }; DEFINE_GUEST_HANDLE_STRUCT(xenpf_cpu_ol); +/* + * CMD 58 and 59 are reserved for cpu hotadd and memory hotadd, + * which are already occupied at Xen hypervisor side. + */ +#define XENPF_core_parking 60 +struct xenpf_core_parking { + /* IN variables */ +#define XEN_CORE_PARKING_SET 1 +#define XEN_CORE_PARKING_GET 2 + uint32_t type; + /* IN variables: set cpu nums expected to be idled */ + /* OUT variables: get cpu nums actually be idled */ + uint32_t idle_nums; +}; +DEFINE_GUEST_HANDLE_STRUCT(xenpf_core_parking); + struct xen_platform_op { uint32_t cmd; uint32_t interface_version; /* XENPF_INTERFACE_VERSION */ @@ -341,6 +357,7 @@ struct xen_platform_op { struct xenpf_set_processor_pminfo set_pminfo; struct xenpf_pcpuinfo pcpu_info; struct xenpf_cpu_ol cpu_ol; + struct xenpf_core_parking core_parking; uint8_t pad[128]; } u; }; diff --git a/include/xen/interface/version.h b/include/xen/interface/version.h index 7ff6498679a3..96d8d3deea6b 100644 --- a/include/xen/interface/version.h +++ b/include/xen/interface/version.h @@ -63,4 +63,19 @@ struct xen_feature_info { /* arg == xen_domain_handle_t. */ #define XENVER_guest_handle 8 +/* Check if running on Xen version (major, minor) or later */ +static inline bool +xen_running_on_version_or_later(unsigned int major, unsigned int minor) +{ + unsigned int version; + + if (!xen_domain()) + return false; + + version = HYPERVISOR_xen_version(XENVER_version, NULL); + if ((((version >> 16) == major) && ((version & 0xffff) >= minor)) || + ((version >> 16) > major)) + return true; + return false; +} #endif /* __XEN_PUBLIC_VERSION_H__ */ |