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// Copyright 2018 The gVisor Authors.
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
// http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
package kvm
// KVM ioctls.
//
// Only the ioctls we need in Go appear here; some additional ioctls are used
// within the assembly stubs (KVM_INTERRUPT, etc.).
const (
KVM_CREATE_VM = 0xae01
KVM_GET_VCPU_MMAP_SIZE = 0xae04
KVM_CREATE_VCPU = 0xae41
KVM_SET_TSS_ADDR = 0xae47
KVM_RUN = 0xae80
KVM_NMI = 0xae9a
KVM_CHECK_EXTENSION = 0xae03
KVM_GET_TSC_KHZ = 0xaea3
KVM_SET_TSC_KHZ = 0xaea2
KVM_INTERRUPT = 0x4004ae86
KVM_SET_MSRS = 0x4008ae89
KVM_SET_USER_MEMORY_REGION = 0x4020ae46
KVM_SET_REGS = 0x4090ae82
KVM_SET_SREGS = 0x4138ae84
KVM_GET_MSRS = 0xc008ae88
KVM_GET_REGS = 0x8090ae81
KVM_GET_SREGS = 0x8138ae83
KVM_GET_SUPPORTED_CPUID = 0xc008ae05
KVM_SET_CPUID2 = 0x4008ae90
KVM_SET_SIGNAL_MASK = 0x4004ae8b
KVM_GET_VCPU_EVENTS = 0x8040ae9f
KVM_SET_VCPU_EVENTS = 0x4040aea0
KVM_SET_DEVICE_ATTR = 0x4018aee1
)
// KVM exit reasons.
const (
_KVM_EXIT_EXCEPTION = 0x1
_KVM_EXIT_IO = 0x2
_KVM_EXIT_HYPERCALL = 0x3
_KVM_EXIT_DEBUG = 0x4
_KVM_EXIT_HLT = 0x5
_KVM_EXIT_MMIO = 0x6
_KVM_EXIT_IRQ_WINDOW_OPEN = 0x7
_KVM_EXIT_SHUTDOWN = 0x8
_KVM_EXIT_FAIL_ENTRY = 0x9
_KVM_EXIT_INTERNAL_ERROR = 0x11
_KVM_EXIT_SYSTEM_EVENT = 0x18
_KVM_EXIT_ARM_NISV = 0x1c
)
// KVM capability options.
const (
_KVM_CAP_MAX_MEMSLOTS = 0x0a
_KVM_CAP_MAX_VCPUS = 0x42
_KVM_CAP_ARM_VM_IPA_SIZE = 0xa5
_KVM_CAP_VCPU_EVENTS = 0x29
_KVM_CAP_ARM_INJECT_SERROR_ESR = 0x9e
_KVM_CAP_TSC_CONTROL = 0x3c
)
// KVM limits.
const (
_KVM_NR_MEMSLOTS = 0x100
_KVM_NR_VCPUS = 0xff
_KVM_NR_INTERRUPTS = 0x100
_KVM_NR_CPUID_ENTRIES = 0x100
)
// KVM kvm_memory_region::flags.
const (
_KVM_MEM_LOG_DIRTY_PAGES = uint32(1) << 0
_KVM_MEM_READONLY = uint32(1) << 1
_KVM_MEM_FLAGS_NONE = uint32(0)
)
// KVM hypercall list.
//
// Canonical list of hypercalls supported.
const (
// On amd64, it uses 'HLT' to leave the guest.
//
// Unlike amd64, arm64 can only uses mmio_exit/psci to leave the guest.
//
// _KVM_HYPERCALL_VMEXIT is only used on arm64 for now.
_KVM_HYPERCALL_VMEXIT int = iota
_KVM_HYPERCALL_MAX
)
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