diff options
Diffstat (limited to 'include/xen/interface/vcpu.h')
| -rw-r--r-- | include/xen/interface/vcpu.h | 13 |
1 files changed, 13 insertions, 0 deletions
diff --git a/include/xen/interface/vcpu.h b/include/xen/interface/vcpu.h index c6218f1ad3ca..ff61ea365997 100644 --- a/include/xen/interface/vcpu.h +++ b/include/xen/interface/vcpu.h @@ -151,4 +151,17 @@ struct vcpu_set_singleshot_timer { #define _VCPU_SSHOTTMR_future (0) #define VCPU_SSHOTTMR_future (1U << _VCPU_SSHOTTMR_future) +/* + * Register a memory location in the guest address space for the + * vcpu_info structure. This allows the guest to place the vcpu_info + * structure in a convenient place, such as in a per-cpu data area. + * The pointer need not be page aligned, but the structure must not + * cross a page boundary. + */ +#define VCPUOP_register_vcpu_info 10 /* arg == struct vcpu_info */ +struct vcpu_register_vcpu_info { + uint32_t mfn; /* mfn of page to place vcpu_info */ + uint32_t offset; /* offset within page */ +}; + #endif /* __XEN_PUBLIC_VCPU_H__ */ |