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hyperv.h
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hyperv.h
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/*
* GPL HEADER START
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
*
* GPL HEADER END
*
* Copyright 2011 various Linux Kernel contributors.
* Copyright 2011 Joyent, Inc. All Rights Reserved.
*/
#ifndef _ASM_X86_KVM_HYPERV_H
#define _ASM_X86_KVM_HYPERV_H
/*
* The below CPUID leaves are present if VersionAndFeatures.HypervisorPresent
* is set by CPUID(HvCpuIdFunctionVersionAndFeatures).
*/
#define HYPERV_CPUID_VENDOR_AND_MAX_FUNCTIONS 0x40000000
#define HYPERV_CPUID_INTERFACE 0x40000001
#define HYPERV_CPUID_VERSION 0x40000002
#define HYPERV_CPUID_FEATURES 0x40000003
#define HYPERV_CPUID_ENLIGHTMENT_INFO 0x40000004
#define HYPERV_CPUID_IMPLEMENT_LIMITS 0x40000005
/*
* Feature identification. EAX indicates which features are available
* to the partition based upon the current partition privileges.
*/
/* VP Runtime (HV_X64_MSR_VP_RUNTIME) available */
#define HV_X64_MSR_VP_RUNTIME_AVAILABLE (1 << 0)
/* Partition Reference Counter (HV_X64_MSR_TIME_REF_COUNT) available*/
#define HV_X64_MSR_TIME_REF_COUNT_AVAILABLE (1 << 1)
/*
* Basic SynIC MSRs (HV_X64_MSR_SCONTROL through HV_X64_MSR_EOM
* and HV_X64_MSR_SINT0 through HV_X64_MSR_SINT15) available
*/
#define HV_X64_MSR_SYNIC_AVAILABLE (1 << 2)
/*
* Synthetic Timer MSRs (HV_X64_MSR_STIMER0_CONFIG through
* HV_X64_MSR_STIMER3_COUNT) available
*/
#define HV_X64_MSR_SYNTIMER_AVAILABLE (1 << 3)
/*
* APIC access MSRs (HV_X64_MSR_EOI, HV_X64_MSR_ICR and HV_X64_MSR_TPR)
* are available
*/
#define HV_X64_MSR_APIC_ACCESS_AVAILABLE (1 << 4)
/* Hypercall MSRs (HV_X64_MSR_GUEST_OS_ID and HV_X64_MSR_HYPERCALL) available*/
#define HV_X64_MSR_HYPERCALL_AVAILABLE (1 << 5)
/* Access virtual processor index MSR (HV_X64_MSR_VP_INDEX) available*/
#define HV_X64_MSR_VP_INDEX_AVAILABLE (1 << 6)
/* Virtual system reset MSR (HV_X64_MSR_RESET) is available*/
#define HV_X64_MSR_RESET_AVAILABLE (1 << 7)
/*
* Access statistics pages MSRs (HV_X64_MSR_STATS_PARTITION_RETAIL_PAGE,
* HV_X64_MSR_STATS_PARTITION_INTERNAL_PAGE, HV_X64_MSR_STATS_VP_RETAIL_PAGE,
* HV_X64_MSR_STATS_VP_INTERNAL_PAGE) available
*/
#define HV_X64_MSR_STAT_PAGES_AVAILABLE (1 << 8)
/*
* Feature identification: EBX indicates which flags were specified at
* partition creation. The format is the same as the partition creation
* flag structure defined in section Partition Creation Flags.
*/
#define HV_X64_CREATE_PARTITIONS (1 << 0)
#define HV_X64_ACCESS_PARTITION_ID (1 << 1)
#define HV_X64_ACCESS_MEMORY_POOL (1 << 2)
#define HV_X64_ADJUST_MESSAGE_BUFFERS (1 << 3)
#define HV_X64_POST_MESSAGES (1 << 4)
#define HV_X64_SIGNAL_EVENTS (1 << 5)
#define HV_X64_CREATE_PORT (1 << 6)
#define HV_X64_CONNECT_PORT (1 << 7)
#define HV_X64_ACCESS_STATS (1 << 8)
#define HV_X64_DEBUGGING (1 << 11)
#define HV_X64_CPU_POWER_MANAGEMENT (1 << 12)
#define HV_X64_CONFIGURE_PROFILER (1 << 13)
/*
* Feature identification. EDX indicates which miscellaneous features
* are available to the partition.
*/
/* The MWAIT instruction is available (per section MONITOR / MWAIT) */
#define HV_X64_MWAIT_AVAILABLE (1 << 0)
/* Guest debugging support is available */
#define HV_X64_GUEST_DEBUGGING_AVAILABLE (1 << 1)
/* Performance Monitor support is available*/
#define HV_X64_PERF_MONITOR_AVAILABLE (1 << 2)
/* Support for physical CPU dynamic partitioning events is available*/
#define HV_X64_CPU_DYNAMIC_PARTITIONING_AVAILABLE (1 << 3)
/*
* Support for passing hypercall input parameter block via XMM
* registers is available
*/
#define HV_X64_HYPERCALL_PARAMS_XMM_AVAILABLE (1 << 4)
/* Support for a virtual guest idle state is available */
#define HV_X64_GUEST_IDLE_STATE_AVAILABLE (1 << 5)
/*
* Implementation recommendations. Indicates which behaviors the hypervisor
* recommends the OS implement for optimal performance.
*/
/*
* Recommend using hypercall for address space switches rather
* than MOV to CR3 instruction
*/
#define HV_X64_MWAIT_RECOMMENDED (1 << 0)
/* Recommend using hypercall for local TLB flushes rather
* than INVLPG or MOV to CR3 instructions */
#define HV_X64_LOCAL_TLB_FLUSH_RECOMMENDED (1 << 1)
/*
* Recommend using hypercall for remote TLB flushes rather
* than inter-processor interrupts
*/
#define HV_X64_REMOTE_TLB_FLUSH_RECOMMENDED (1 << 2)
/*
* Recommend using MSRs for accessing APIC registers
* EOI, ICR and TPR rather than their memory-mapped counterparts
*/
#define HV_X64_APIC_ACCESS_RECOMMENDED (1 << 3)
/* Recommend using the hypervisor-provided MSR to initiate a system RESET */
#define HV_X64_SYSTEM_RESET_RECOMMENDED (1 << 4)
/*
* Recommend using relaxed timing for this partition. If used,
* the VM should disable any watchdog timeouts that rely on the
* timely delivery of external interrupts
*/
#define HV_X64_RELAXED_TIMING_RECOMMENDED (1 << 5)
/* MSR used to identify the guest OS. */
#define HV_X64_MSR_GUEST_OS_ID 0x40000000
/* MSR used to setup pages used to communicate with the hypervisor. */
#define HV_X64_MSR_HYPERCALL 0x40000001
/* MSR used to provide vcpu index */
#define HV_X64_MSR_VP_INDEX 0x40000002
/* Define the virtual APIC registers */
#define HV_X64_MSR_EOI 0x40000070
#define HV_X64_MSR_ICR 0x40000071
#define HV_X64_MSR_TPR 0x40000072
#define HV_X64_MSR_APIC_ASSIST_PAGE 0x40000073
/* Define synthetic interrupt controller model specific registers. */
#define HV_X64_MSR_SCONTROL 0x40000080
#define HV_X64_MSR_SVERSION 0x40000081
#define HV_X64_MSR_SIEFP 0x40000082
#define HV_X64_MSR_SIMP 0x40000083
#define HV_X64_MSR_EOM 0x40000084
#define HV_X64_MSR_SINT0 0x40000090
#define HV_X64_MSR_SINT1 0x40000091
#define HV_X64_MSR_SINT2 0x40000092
#define HV_X64_MSR_SINT3 0x40000093
#define HV_X64_MSR_SINT4 0x40000094
#define HV_X64_MSR_SINT5 0x40000095
#define HV_X64_MSR_SINT6 0x40000096
#define HV_X64_MSR_SINT7 0x40000097
#define HV_X64_MSR_SINT8 0x40000098
#define HV_X64_MSR_SINT9 0x40000099
#define HV_X64_MSR_SINT10 0x4000009A
#define HV_X64_MSR_SINT11 0x4000009B
#define HV_X64_MSR_SINT12 0x4000009C
#define HV_X64_MSR_SINT13 0x4000009D
#define HV_X64_MSR_SINT14 0x4000009E
#define HV_X64_MSR_SINT15 0x4000009F
#define HV_X64_MSR_HYPERCALL_ENABLE 0x00000001
#define HV_X64_MSR_HYPERCALL_PAGE_ADDRESS_SHIFT 12
#define HV_X64_MSR_HYPERCALL_PAGE_ADDRESS_MASK \
(~((1ull << HV_X64_MSR_HYPERCALL_PAGE_ADDRESS_SHIFT) - 1))
/* Declare the various hypercall operations. */
#define HV_X64_HV_NOTIFY_LONG_SPIN_WAIT 0x0008
#define HV_X64_MSR_APIC_ASSIST_PAGE_ENABLE 0x00000001
#define HV_X64_MSR_APIC_ASSIST_PAGE_ADDRESS_SHIFT 12
#define HV_X64_MSR_APIC_ASSIST_PAGE_ADDRESS_MASK \
(~((1ull << HV_X64_MSR_APIC_ASSIST_PAGE_ADDRESS_SHIFT) - 1))
#define HV_PROCESSOR_POWER_STATE_C0 0
#define HV_PROCESSOR_POWER_STATE_C1 1
#define HV_PROCESSOR_POWER_STATE_C2 2
#define HV_PROCESSOR_POWER_STATE_C3 3
/* hypercall status code */
#define HV_STATUS_SUCCESS 0
#define HV_STATUS_INVALID_HYPERCALL_CODE 2
#define HV_STATUS_INVALID_HYPERCALL_INPUT 3
#define HV_STATUS_INVALID_ALIGNMENT 4
#endif