140 lines
3.7 KiB
C
140 lines
3.7 KiB
C
/*
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* Copyright (C) 2018 Intel Corporation. All rights reserved.
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*
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* SPDX-License-Identifier: BSD-3-Clause
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*/
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#ifndef GUEST_H
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#define GUEST_H
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/* Defines for VM Launch and Resume */
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#define VM_RESUME 0
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#define VM_LAUNCH 1
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#define ACRN_DBG_PTIRQ 6
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#define ACRN_DBG_IRQ 6
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#ifndef ASSEMBLER
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#define foreach_vcpu(idx, vm, vcpu) \
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for (idx = 0, vcpu = vm->hw.vcpu_array[idx]; \
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(idx < vm->hw.num_vcpus) && (vcpu != NULL); \
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idx++, vcpu = vm->hw.vcpu_array[idx])
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/* the index is matched with emulated msrs array*/
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enum {
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IDX_TSC_DEADLINE,
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IDX_BIOS_UPDT_TRIG,
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IDX_BIOS_SIGN_ID,
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IDX_TSC,
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IDX_PAT,
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IDX_MAX_MSR
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};
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struct vhm_request;
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int32_t acrn_insert_request_wait(struct vcpu *vcpu, struct vhm_request *req);
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/*
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* VCPU related APIs
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*/
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#define ACRN_REQUEST_EXCP 0
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#define ACRN_REQUEST_EVENT 1
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#define ACRN_REQUEST_EXTINT 2
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#define ACRN_REQUEST_NMI 3
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#define ACRN_REQUEST_TMR_UPDATE 4
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#define ACRN_REQUEST_EPT_FLUSH 5
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#define ACRN_REQUEST_TRP_FAULT 6
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#define ACRN_REQUEST_VPID_FLUSH 7 /* flush vpid tlb */
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#define E820_MAX_ENTRIES 32U
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struct e820_mem_params {
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uint64_t mem_bottom;
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uint64_t mem_top;
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uint64_t total_mem_size;
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uint64_t max_ram_blk_base; /* used for the start address of UOS */
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uint64_t max_ram_blk_size;
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};
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int prepare_vm0_memmap_and_e820(struct vm *vm);
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uint64_t e820_alloc_low_memory(uint32_t size);
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/* Definition for a mem map lookup */
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struct vm_lu_mem_map {
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struct list_head list; /* EPT mem map lookup list*/
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void *hpa; /* Host physical start address of the map*/
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void *gpa; /* Guest physical start address of the map */
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uint64_t size; /* Size of map */
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};
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enum vm_cpu_mode {
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CPU_MODE_REAL,
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CPU_MODE_PROTECTED,
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CPU_MODE_COMPATIBILITY, /* IA-32E mode (CS.L = 0) */
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CPU_MODE_64BIT, /* IA-32E mode (CS.L = 1) */
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};
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/* Use # of paging level to identify paging mode */
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enum vm_paging_mode {
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PAGING_MODE_0_LEVEL = 0, /* Flat */
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PAGING_MODE_2_LEVEL = 2, /* 32bit paging, 2-level */
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PAGING_MODE_3_LEVEL = 3, /* PAE paging, 3-level */
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PAGING_MODE_4_LEVEL = 4, /* 64bit paging, 4-level */
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PAGING_MODE_NUM,
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};
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/*
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* VM related APIs
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*/
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bool is_vm0(struct vm *vm);
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bool vm_lapic_disabled(struct vm *vm);
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uint64_t vcpumask2pcpumask(struct vm *vm, uint64_t vdmask);
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int gva2gpa(struct vcpu *vcpu, uint64_t gva, uint64_t *gpa, uint32_t *err_code);
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struct vcpu *get_primary_vcpu(struct vm *vm);
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struct vcpu *vcpu_from_vid(struct vm *vm, uint16_t vcpu_id);
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struct vcpu *vcpu_from_pid(struct vm *vm, uint16_t pcpu_id);
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enum vm_paging_mode get_vcpu_paging_mode(struct vcpu *vcpu);
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void init_e820(void);
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void obtain_e820_mem_info(void);
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extern uint32_t e820_entries;
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extern struct e820_entry e820[E820_MAX_ENTRIES];
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extern uint32_t boot_regs[];
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extern struct e820_mem_params e820_mem;
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int rdmsr_vmexit_handler(struct vcpu *vcpu);
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int wrmsr_vmexit_handler(struct vcpu *vcpu);
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void init_msr_emulation(struct vcpu *vcpu);
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extern const char vm_exit[];
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int vmx_vmrun(struct run_context *context, int ops, int ibrs);
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int load_guest(struct vm *vm, struct vcpu *vcpu);
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int general_sw_loader(struct vm *vm, struct vcpu *vcpu);
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typedef int (*vm_sw_loader_t)(struct vm *, struct vcpu *);
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extern vm_sw_loader_t vm_sw_loader;
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int copy_from_gpa(struct vm *vm, void *h_ptr, uint64_t gpa, uint32_t size);
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int copy_to_gpa(struct vm *vm, void *h_ptr, uint64_t gpa, uint32_t size);
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int copy_from_gva(struct vcpu *vcpu, void *h_ptr, uint64_t gva,
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uint32_t size, uint32_t *err_code);
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int copy_to_gva(struct vcpu *vcpu, void *h_ptr, uint64_t gva,
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uint32_t size, uint32_t *err_code);
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uint32_t create_guest_init_gdt(struct vm *vm, uint32_t *limit);
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#ifdef HV_DEBUG
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void get_req_info(char *str, int str_max);
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#endif /* HV_DEBUG */
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#endif /* !ASSEMBLER */
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#endif /* GUEST_H*/
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