asm/xen/cpuid.h

2  * arch-x86/cpuid.h
24  * Copyright (c) 2007 Citrix Systems, Inc.
47  * EAX: Largest Xen-information leaf. All leaves up to an including @EAX
49  * EBX-EDX: "XenVMMXenVMM" signature, allowing positive identification
60  * EBX-EDX: Reserved (currently all zeroes).
67  * EBX: Base address of Xen-specific MSRs.
78  * Sub-leaf 0: EAX: bit 0: emulated tsc
85  * Sub-leaf 1: EAX: tsc offset low part
87  *             ECX: multiplicator for tsc->ns conversion
88  *             EDX: shift amount for tsc->ns conversion
89  * Sub-leaf 2: EAX: host tsc frequency in kHz
103  * HVM-specific features
104  * Sub-leaf 0: EAX: Features
105  * Sub-leaf 0: EBX: vcpu id (iff EAX has XEN_HVM_CPUID_VCPU_ID_PRESENT flag)
106  * Sub-leaf 0: ECX: domain id (iff EAX has XEN_HVM_CPUID_DOMID_PRESENT flag)
115  * With interrupt format set to 0 (non-remappable) bits 55:49 from the
116  * IO-APIC RTE and bits 11:5 from the MSI address can be used to store
122  * Per-vCPU event channel upcalls work correctly with physical IRQs
129  * PV-specific parameters
130  * Sub-leaf 0: EAX: max available sub-leaf
131  * Sub-leaf 0: EBX: bits 0-7: max machine address width