mirror of
https://github.com/projectacrn/acrn-hypervisor.git
synced 2025-05-06 07:26:56 +00:00
09193c3913
All the platforms supported by ACRN supports x2APIC. So enabled x2APIC for ACRN hv. Removed any code that is needed for xAPIC mode of operation. Tracked-On: #1455 Signed-off-by: Sainath Grandhi <sainath.grandhi@intel.com> Reviewed-by: Eddie Dong <eddie.dong@intel.com> Reviewed by: Yonghua Huang <yonghua.huang@intel.com>
169 lines
5.2 KiB
C
169 lines
5.2 KiB
C
/*
|
|
* Copyright (C) 2018 Intel Corporation. All rights reserved.
|
|
*
|
|
* SPDX-License-Identifier: BSD-3-Clause
|
|
*/
|
|
|
|
#ifndef GUEST_H
|
|
#define GUEST_H
|
|
|
|
/* Defines for VM Launch and Resume */
|
|
#define VM_RESUME 0
|
|
#define VM_LAUNCH 1
|
|
|
|
#define ACRN_DBG_PTIRQ 6U
|
|
#define ACRN_DBG_IRQ 6U
|
|
|
|
#ifndef ASSEMBLER
|
|
|
|
#include <mmu.h>
|
|
|
|
#define foreach_vcpu(idx, vm, vcpu) \
|
|
for ((idx) = 0U, vcpu = &(vm->hw.vcpu_array[(idx)]); \
|
|
(idx) < vm->hw.created_vcpus; \
|
|
(idx)++, vcpu = &(vm->hw.vcpu_array[(idx)])) \
|
|
if (vcpu->state != VCPU_OFFLINE)
|
|
|
|
/* the index is matched with emulated msrs array*/
|
|
#define IDX_TSC_DEADLINE 0U
|
|
#define IDX_BIOS_UPDT_TRIG (IDX_TSC_DEADLINE + 1U)
|
|
#define IDX_BIOS_SIGN_ID (IDX_BIOS_UPDT_TRIG + 1U)
|
|
#define IDX_TSC (IDX_BIOS_SIGN_ID + 1U)
|
|
#define IDX_PAT (IDX_TSC + 1U)
|
|
#define IDX_APIC_BASE (IDX_PAT + 1U)
|
|
#define IDX_MAX_MSR (IDX_APIC_BASE + 1U)
|
|
|
|
/*
|
|
* VCPU related APIs
|
|
*/
|
|
#define ACRN_REQUEST_EXCP 0U
|
|
#define ACRN_REQUEST_EVENT 1U
|
|
#define ACRN_REQUEST_EXTINT 2U
|
|
#define ACRN_REQUEST_NMI 3U
|
|
#define ACRN_REQUEST_TMR_UPDATE 4U
|
|
#define ACRN_REQUEST_EPT_FLUSH 5U
|
|
#define ACRN_REQUEST_TRP_FAULT 6U
|
|
#define ACRN_REQUEST_VPID_FLUSH 7U /* flush vpid tlb */
|
|
|
|
#define E820_MAX_ENTRIES 32U
|
|
|
|
#define save_segment(seg, SEG_NAME) \
|
|
{ \
|
|
(seg).selector = exec_vmread16(SEG_NAME##_SEL); \
|
|
(seg).base = exec_vmread(SEG_NAME##_BASE); \
|
|
(seg).limit = exec_vmread32(SEG_NAME##_LIMIT); \
|
|
(seg).attr = exec_vmread32(SEG_NAME##_ATTR); \
|
|
}
|
|
|
|
#define load_segment(seg, SEG_NAME) \
|
|
{ \
|
|
exec_vmwrite16(SEG_NAME##_SEL, (seg).selector); \
|
|
exec_vmwrite(SEG_NAME##_BASE, (seg).base); \
|
|
exec_vmwrite32(SEG_NAME##_LIMIT, (seg).limit); \
|
|
exec_vmwrite32(SEG_NAME##_ATTR, (seg).attr); \
|
|
}
|
|
|
|
/* Define segments constants for guest */
|
|
#define REAL_MODE_BSP_INIT_CODE_SEL (0xf000U)
|
|
#define REAL_MODE_DATA_SEG_AR (0x0093U)
|
|
#define REAL_MODE_CODE_SEG_AR (0x009fU)
|
|
#define PROTECTED_MODE_DATA_SEG_AR (0xc093U)
|
|
#define PROTECTED_MODE_CODE_SEG_AR (0xc09bU)
|
|
#define DR7_INIT_VALUE (0x400UL)
|
|
#define LDTR_AR (0x0082U) /* LDT, type must be 2, refer to SDM Vol3 26.3.1.2 */
|
|
#define TR_AR (0x008bU) /* TSS (busy), refer to SDM Vol3 26.3.1.2 */
|
|
|
|
struct e820_mem_params {
|
|
uint64_t mem_bottom;
|
|
uint64_t mem_top;
|
|
uint64_t total_mem_size;
|
|
uint64_t max_ram_blk_base; /* used for the start address of UOS */
|
|
uint64_t max_ram_blk_size;
|
|
};
|
|
|
|
int prepare_vm0_memmap_and_e820(struct vm *vm);
|
|
uint64_t e820_alloc_low_memory(uint32_t size_arg);
|
|
|
|
/* Definition for a mem map lookup */
|
|
struct vm_lu_mem_map {
|
|
struct list_head list; /* EPT mem map lookup list*/
|
|
void *hpa; /* Host physical start address of the map*/
|
|
void *gpa; /* Guest physical start address of the map */
|
|
uint64_t size; /* Size of map */
|
|
};
|
|
|
|
/* Use # of paging level to identify paging mode */
|
|
enum vm_paging_mode {
|
|
PAGING_MODE_0_LEVEL = 0U, /* Flat */
|
|
PAGING_MODE_2_LEVEL = 2U, /* 32bit paging, 2-level */
|
|
PAGING_MODE_3_LEVEL = 3U, /* PAE paging, 3-level */
|
|
PAGING_MODE_4_LEVEL = 4U, /* 64bit paging, 4-level */
|
|
PAGING_MODE_NUM,
|
|
};
|
|
|
|
/*
|
|
* VM related APIs
|
|
*/
|
|
uint64_t vcpumask2pcpumask(struct vm *vm, uint64_t vdmask);
|
|
|
|
int gva2gpa(struct vcpu *vcpu, uint64_t gva, uint64_t *gpa, uint32_t *err_code);
|
|
|
|
enum vm_paging_mode get_vcpu_paging_mode(struct vcpu *vcpu);
|
|
|
|
void init_e820(void);
|
|
void obtain_e820_mem_info(void);
|
|
extern uint32_t e820_entries;
|
|
extern struct e820_entry e820[E820_MAX_ENTRIES];
|
|
|
|
#ifdef CONFIG_PARTITION_MODE
|
|
/*
|
|
* Default e820 mem map:
|
|
*
|
|
* Assumption is every VM launched by ACRN in partition mode uses 2G of RAM.
|
|
* there is reserved memory of 64K for MPtable and PCI hole of 512MB
|
|
*/
|
|
#define NUM_E820_ENTRIES 5U
|
|
extern const struct e820_entry e820_default_entries[NUM_E820_ENTRIES];
|
|
#endif
|
|
|
|
extern uint32_t boot_regs[2];
|
|
extern struct e820_mem_params e820_mem;
|
|
|
|
int rdmsr_vmexit_handler(struct vcpu *vcpu);
|
|
int wrmsr_vmexit_handler(struct vcpu *vcpu);
|
|
void init_msr_emulation(struct vcpu *vcpu);
|
|
|
|
struct run_context;
|
|
int vmx_vmrun(struct run_context *context, int ops, int ibrs);
|
|
|
|
int general_sw_loader(struct vm *vm);
|
|
|
|
typedef int (*vm_sw_loader_t)(struct vm *vm);
|
|
extern vm_sw_loader_t vm_sw_loader;
|
|
|
|
/* @pre Caller(Guest) should make sure gpa is continuous.
|
|
* - gpa from hypercall input which from kernel stack is gpa continuous, not
|
|
* support kernel stack from vmap
|
|
* - some other gpa from hypercall parameters, VHM should make sure it's
|
|
* continuous
|
|
* @pre Pointer vm is non-NULL
|
|
*/
|
|
int copy_from_gpa(struct vm *vm, void *h_ptr, uint64_t gpa, uint32_t size);
|
|
/* @pre Caller(Guest) should make sure gpa is continuous.
|
|
* - gpa from hypercall input which from kernel stack is gpa continuous, not
|
|
* support kernel stack from vmap
|
|
* - some other gpa from hypercall parameters, VHM should make sure it's
|
|
* continuous
|
|
* @pre Pointer vm is non-NULL
|
|
*/
|
|
int copy_to_gpa(struct vm *vm, void *h_ptr, uint64_t gpa, uint32_t size);
|
|
int copy_from_gva(struct vcpu *vcpu, void *h_ptr, uint64_t gva,
|
|
uint32_t size, uint32_t *err_code, uint64_t *fault_addr);
|
|
int copy_to_gva(struct vcpu *vcpu, void *h_ptr, uint64_t gva,
|
|
uint32_t size, uint32_t *err_code, uint64_t *fault_addr);
|
|
extern struct acrn_vcpu_regs vm0_boot_context;
|
|
|
|
#endif /* !ASSEMBLER */
|
|
|
|
#endif /* GUEST_H*/
|