acrn-hypervisor/hypervisor/include/arch/x86/asm/guest/vmcs.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

70 lines
1.7 KiB
C

/*
* Copyright (C) 2018-2022 Intel Corporation.
*
* SPDX-License-Identifier: BSD-3-Clause
*/
#ifndef VMCS_H_
#define VMCS_H_
#define VM_SUCCESS 0
#define VM_FAIL (-1)
#ifndef ASSEMBLER
#include <types.h>
#include <asm/guest/vcpu.h>
#define VMX_VMENTRY_FAIL 0x80000000U
#define APIC_ACCESS_OFFSET 0xFFFUL /* 11:0, offset within the APIC page */
#define APIC_ACCESS_TYPE 0xF000UL /* 15:12, access type */
#define TYPE_LINEAR_APIC_INST_READ (0UL << 12U)
#define TYPE_LINEAR_APIC_INST_WRITE (1UL << 12U)
/* VM exit qulifications for APIC-access
* Access type:
* 0 = linear access for a data read during instruction execution
* 1 = linear access for a data write during instruction execution
* 2 = linear access for an instruction fetch
* 3 = linear access (read or write) during event delivery
* 10 = guest-physical access during event delivery
* 15 = guest-physical access for an instructon fetch or during
* instruction execution
*/
static inline uint64_t apic_access_type(uint64_t qual)
{
return (qual & APIC_ACCESS_TYPE);
}
static inline uint64_t apic_access_offset(uint64_t qual)
{
return (qual & APIC_ACCESS_OFFSET);
}
static inline void clear_vmcs_bit(uint32_t vmcs_field, uint64_t bit)
{
uint64_t val64;
val64 = exec_vmread(vmcs_field);
val64 &= ~bit;
exec_vmwrite(vmcs_field, val64);
}
static inline void set_vmcs_bit(uint32_t vmcs_field, uint64_t bit)
{
uint64_t val64;
val64 = exec_vmread(vmcs_field);
val64 |= bit;
exec_vmwrite(vmcs_field, val64);
}
void init_vmcs(struct acrn_vcpu *vcpu);
void load_vmcs(const struct acrn_vcpu *vcpu);
void init_host_state(void);
void switch_apicv_mode_x2apic(struct acrn_vcpu *vcpu);
#endif /* ASSEMBLER */
#endif /* VMCS_H_ */