modulization: move functions related with cpu caps into cpu_caps.c

move cpu caps related functions like capability init/detect/check
in cpu.c & mmu.c into a new file cpu_caps.c

Changes to be committed:
	modified:   developer-guides/hld/hv-memmgt.rst
	modified:   ../hypervisor/Makefile
	modified:   ../hypervisor/arch/x86/cpu.c
	new file:   ../hypervisor/arch/x86/cpu_caps.c
	modified:   ../hypervisor/arch/x86/mmu.c
	modified:   ../hypervisor/arch/x86/vmx_asm.S
	modified:   ../hypervisor/include/arch/x86/cpu.h
	new file:   ../hypervisor/include/arch/x86/cpu_caps.h
	modified:   ../hypervisor/include/arch/x86/guest/vm.h
	modified:   ../hypervisor/include/arch/x86/mmu.h
	modified:   ../hypervisor/include/arch/x86/vmcs.h

Tracked-On: #1842
Signed-off-by: Jason Chen CJ <jason.cj.chen@intel.com>
Acked-by: Eddie Dong <eddie.dong@intel.com>
This commit is contained in:
Jason Chen CJ
2018-12-10 13:47:39 +08:00
committed by wenlingz
parent b8ffac8bac
commit 746fbe147d
11 changed files with 588 additions and 538 deletions

View File

@@ -127,15 +127,6 @@
/* Boot CPU ID */
#define BOOT_CPU_ID 0U
/* type of speculation control
* 0 - no speculation control support
* 1 - raw IBRS + IPBP support
* 2 - with STIBP optimization support
*/
#define IBRS_NONE 0
#define IBRS_RAW 1
#define IBRS_OPT 2
#ifndef ASSEMBLER
#define BUS_LOCK "lock ; "
@@ -209,8 +200,6 @@ extern uint8_t ld_bss_end;
extern uint64_t main_entry[1];
extern uint64_t secondary_cpu_stack[1];
extern int32_t ibrs_type;
/*
* To support per_cpu access, we use a special struct "per_cpu_region" to hold
* the pattern of per CPU data. And we allocate memory for per CPU data
@@ -229,16 +218,6 @@ extern int32_t ibrs_type;
* to locate the per cpu data.
*/
/* 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
/**
*The invalid cpu_id (INVALID_CPU_ID) is error
*code for error handling, this means that
@@ -267,24 +246,6 @@ enum pcpu_boot_state {
PCPU_STATE_DEAD,
};
struct cpu_state_info {
uint8_t px_cnt; /* count of all Px states */
const struct cpu_px_data *px_data;
uint8_t cx_cnt; /* count of all Cx entries */
const struct cpu_cx_data *cx_data;
};
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];
struct cpu_state_info state_info;
};
#ifdef STACK_PROTECTOR
struct stack_canary {
/* Gcc generates extra code, using [fs:40] to access canary */
@@ -294,32 +255,16 @@ struct stack_canary {
void __stack_chk_fail(void);
#endif
extern struct cpuinfo_x86 boot_cpu_data;
#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)
/* Function prototypes */
void cpu_do_idle(void);
void cpu_dead(void);
void trampoline_start16(void);
bool is_apicv_reg_virtualization_supported(void);
bool is_apicv_intr_delivery_supported(void);
bool is_apicv_posted_intr_supported(void);
bool is_ept_supported(void);
bool cpu_has_cap(uint32_t bit);
void load_cpu_state_data(void);
void init_cpu_pre(uint16_t pcpu_id);
void init_cpu_post(uint16_t pcpu_id);
void start_cpus(void);
void stop_cpus(void);
void wait_sync_change(uint64_t *sync, uint64_t wake_sync);
void cpu_l1d_flush(void);
#define CPU_SEG_READ(seg, result_ptr) \
{ \

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@@ -0,0 +1,79 @@
/*
* Copyright (C) 2018 Intel Corporation. All rights reserved.
*
* SPDX-License-Identifier: BSD-3-Clause
*/
#ifndef CPUINFO_H
#define CPUINFO_H
/* type of speculation control
* 0 - no speculation control support
* 1 - raw IBRS + IPBP support
* 2 - with STIBP optimization support
*/
#define IBRS_NONE 0
#define IBRS_RAW 1
#define IBRS_OPT 2
#ifndef ASSEMBLER
extern int32_t ibrs_type;
struct cpu_state_info {
uint8_t px_cnt; /* count of all Px states */
const struct cpu_px_data *px_data;
uint8_t cx_cnt; /* count of all Cx entries */
const struct cpu_cx_data *cx_data;
};
#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];
struct cpu_state_info state_info;
};
extern struct cpuinfo_x86 boot_cpu_data;
bool get_monitor_cap(void);
bool is_apicv_reg_virtualization_supported(void);
bool is_apicv_intr_delivery_supported(void);
bool is_apicv_posted_intr_supported(void);
bool is_ept_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 get_cpu_capabilities(void);
void get_cpu_name(void);
void cpu_cap_detect(void);
bool check_cpu_security_config(void);
void cpu_l1d_flush(void);
int hardware_detect_support(void);
#endif /* ASSEMBLER */
#endif /* CPUINFO_H */

View File

@@ -9,6 +9,7 @@
#include <bsp_extern.h>
#include <vpci.h>
#include <page.h>
#include <cpu_caps.h>
#ifdef CONFIG_PARTITION_MODE
#include <mptable.h>

View File

@@ -126,13 +126,6 @@ void mmu_modify_or_del(uint64_t *pml4_page, uint64_t vaddr_base, uint64_t size,
uint64_t prot_set, uint64_t prot_clr, const struct memory_ops *mem_ops, uint32_t type);
void hv_access_memory_region_update(uint64_t base, uint64_t size);
/**
* @brief EPT and VPID capability checking
*
* @retval 0 on success
* @retval -ENODEV Don't support EPT or VPID capability
*/
int32_t check_vmx_mmu_cap(void);
/**
* @brief VPID allocation
*

View File

@@ -66,7 +66,6 @@ int32_t vmx_wrmsr_pat(struct acrn_vcpu *vcpu, uint64_t value);
void vmx_write_cr0(struct acrn_vcpu *vcpu, uint64_t cr0);
void vmx_write_cr4(struct acrn_vcpu *vcpu, uint64_t cr4);
bool is_vmx_disabled(void);
void switch_apicv_mode_x2apic(struct acrn_vcpu *vcpu);
static inline enum vm_cpu_mode get_vcpu_mode(const struct acrn_vcpu *vcpu)
@@ -74,12 +73,6 @@ static inline enum vm_cpu_mode get_vcpu_mode(const struct acrn_vcpu *vcpu)
return vcpu->arch.cpu_mode;
}
static inline bool cpu_has_vmx_unrestricted_guest_cap(void)
{
return ((msr_read(MSR_IA32_VMX_MISC) & VMX_SUPPORT_UNRESTRICTED_GUEST)
!= 0UL);
}
#endif /* ASSEMBLER */
#endif /* VMCS_H_ */