acrn-hypervisor/hypervisor/include/arch/x86/asm/guest/hyperv.h
Ziheng Li eb8bcb06b3 Update copyright year range in code headers
Modified the copyright year range in code, and corrected "int32_tel"
into "Intel" in two "hypervisor/include/debug/profiling.h" and
"hypervisor/include/debug/profiling_internal.h".

Tracked-On: #7559
Signed-off-by: Ziheng Li <ziheng.li@intel.com>
2022-07-15 11:48:35 +08:00

66 lines
1.4 KiB
C

/*
* Copyright (C) 2019-2022 Intel Corporation.
*
* SPDX-License-Identifier: BSD-3-Clause
*/
#ifndef HYPERV_H
#define HYPERV_H
#include <asm/guest/vcpuid.h>
/* Hyper-V MSR numbers */
#define HV_X64_MSR_GUEST_OS_ID 0x40000000U
#define HV_X64_MSR_HYPERCALL 0x40000001U
#define HV_X64_MSR_VP_INDEX 0x40000002U
#define HV_X64_MSR_TIME_REF_COUNT 0x40000020U
#define HV_X64_MSR_REFERENCE_TSC 0x40000021U
union hyperv_ref_tsc_page_msr {
uint64_t val64;
struct {
uint64_t enabled:1;
uint64_t rsvdp:11;
uint64_t gpfn:52;
};
};
union hyperv_hypercall_msr {
uint64_t val64;
struct {
uint64_t enabled:1;
uint64_t locked:1;
uint64_t rsvdp:10;
uint64_t gpfn:52;
};
};
union hyperv_guest_os_id_msr {
uint64_t val64;
struct {
uint64_t build_number:16;
uint64_t service_version:8;
uint64_t minor_version:8;
uint64_t major_version:8;
uint64_t os_id:8;
uint64_t vendor_id:15;
uint64_t os_type:1;
};
};
struct acrn_hyperv {
union hyperv_hypercall_msr hypercall_page;
union hyperv_guest_os_id_msr guest_os_id;
union hyperv_ref_tsc_page_msr ref_tsc_page;
uint64_t tsc_scale;
uint64_t tsc_offset;
};
int32_t hyperv_wrmsr(struct acrn_vcpu *vcpu, uint32_t msr, uint64_t wval);
int32_t hyperv_rdmsr(struct acrn_vcpu *vcpu, uint32_t msr, uint64_t *rval);
void hyperv_init_time(struct acrn_vm *vm);
void hyperv_init_vcpuid_entry(uint32_t leaf, uint32_t subleaf, uint32_t flags,
struct vcpuid_entry *entry);
#endif