mirror of
https://github.com/projectacrn/acrn-hypervisor.git
synced 2025-05-02 13:44:00 +00:00
f769f7457b
Add two functions to combine constraint for APICv: is_apicv_basic_feature_supported: check the physical platform whether support "Use TPR shadow", "Virtualize APIC accesses" and "Virtualize x2APIC mode" is_apicv_advanced_feature_supported: check the physical platform whether support "APIC-register virtualization", "Virtual-interrupt delivery" and "Process posted interrupts". If the physical platform only support APICv basic feature, enable "Use TPR shadow" and "Virtualize APIC accesses" for xAPIC mode; enable "Use TPR shadow" and "Virtualize x2APIC mode" for x2APIC. Otherwise, if the physical platform support APICv advanced feature, enable APICv feature for xAPIC mode and x2APIC mode. Tracked-On: #1842 Signed-off-by: Li, Fei1 <fei1.li@intel.com>
50 lines
1.5 KiB
C
50 lines
1.5 KiB
C
/*
|
|
* Copyright (C) 2018 Intel Corporation. All rights reserved.
|
|
*
|
|
* SPDX-License-Identifier: BSD-3-Clause
|
|
*/
|
|
|
|
#ifndef CPUINFO_H
|
|
#define CPUINFO_H
|
|
|
|
#define MAX_PSTATE 20U /* max num of supported Px count */
|
|
#define MAX_CSTATE 8U /* max num of supported Cx count */
|
|
/* We support MAX_CSTATE num of Cx, means have (MAX_CSTATE - 1) Cx entries,
|
|
* i.e. supported Cx entry index range from 1 to MAX_CX_ENTRY.
|
|
*/
|
|
#define MAX_CX_ENTRY (MAX_CSTATE - 1U)
|
|
|
|
/* CPUID feature words */
|
|
#define FEAT_1_ECX 0U /* CPUID[1].ECX */
|
|
#define FEAT_1_EDX 1U /* CPUID[1].EDX */
|
|
#define FEAT_7_0_EBX 2U /* CPUID[EAX=7,ECX=0].EBX */
|
|
#define FEAT_7_0_ECX 3U /* CPUID[EAX=7,ECX=0].ECX */
|
|
#define FEAT_7_0_EDX 4U /* CPUID[EAX=7,ECX=0].EDX */
|
|
#define FEAT_8000_0001_ECX 5U /* CPUID[8000_0001].ECX */
|
|
#define FEAT_8000_0001_EDX 6U /* CPUID[8000_0001].EDX */
|
|
#define FEAT_8000_0008_EBX 7U /* CPUID[8000_0008].EAX */
|
|
#define FEATURE_WORDS 8U
|
|
|
|
struct cpuinfo_x86 {
|
|
uint8_t family, model;
|
|
uint8_t virt_bits;
|
|
uint8_t phys_bits;
|
|
uint32_t cpuid_level;
|
|
uint32_t extended_cpuid_level;
|
|
uint64_t physical_address_mask;
|
|
uint32_t cpuid_leaves[FEATURE_WORDS];
|
|
char model_name[64];
|
|
};
|
|
|
|
bool has_monitor_cap(void);
|
|
bool is_apicv_advanced_feature_supported(void);
|
|
bool cpu_has_cap(uint32_t bit);
|
|
bool cpu_has_vmx_ept_cap(uint32_t bit_mask);
|
|
bool cpu_has_vmx_vpid_cap(uint32_t bit_mask);
|
|
void init_cpu_capabilities(void);
|
|
void init_cpu_model_name(void);
|
|
int32_t detect_hardware_support(void);
|
|
struct cpuinfo_x86 *get_cpu_info(void);
|
|
|
|
#endif /* CPUINFO_H */
|