Files
acrn-hypervisor/hypervisor/include/arch/x86/asm/guest/vmcs.h
Yifan Liu cf91e66ac0 hv: vcpu: Move vcpu common parts under common/vcpu.h (data structure)
This commit cleans up struct acrn_vcpu. vcpu API cleanup will be in
future patch series.

Create a common vcpu.h hosting struct acrn_vcpu, and move some x86
specific members of struct acrn_vcpu into struct acrn_vcpu_arch. These
members includes:

reg_cached
reg_updated
inst_ctxt

And pending_req is being moved from arch to common.

And the maximum number of events (i.e., VCPU_EVENT_NUM) are being
replaced by MAX_VCPU_EVENT_NUM.

To avoid circular dependency, some in-header helpers are moved into
vcpu.c with only prototypes being declared inside header.

Tracked-On: #8830
Signed-off-by: Yifan Liu <yifan1.liu@intel.com>
Reviewed-by: Fei Li <fei1.li@intel.com>
Acked-by: Wang Yu1 <yu1.wang@intel.com>
2025-10-30 13:30:32 +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 <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_ */