linux/tools/testing/selftests/kvm/lib/kvm_util_internal.h
Aaron Lewis 29faeb9632 selftests: kvm: Add exception handling to selftests
Add the infrastructure needed to enable exception handling in selftests.
This allows any of the exception and interrupt vectors to be overridden
in the guest.

Signed-off-by: Aaron Lewis <aaronlewis@google.com>
Reviewed-by: Alexander Graf <graf@amazon.com>
Message-Id: <20201012194716.3950330-4-aaronlewis@google.com>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
2020-11-08 06:02:15 -05:00

114 lines
2.3 KiB
C

/* SPDX-License-Identifier: GPL-2.0-only */
/*
* tools/testing/selftests/kvm/lib/kvm_util_internal.h
*
* Copyright (C) 2018, Google LLC.
*/
#ifndef SELFTEST_KVM_UTIL_INTERNAL_H
#define SELFTEST_KVM_UTIL_INTERNAL_H
#include "sparsebit.h"
#define KVM_DEV_PATH "/dev/kvm"
struct userspace_mem_region {
struct kvm_userspace_memory_region region;
struct sparsebit *unused_phy_pages;
int fd;
off_t offset;
void *host_mem;
void *mmap_start;
size_t mmap_size;
struct list_head list;
};
struct vcpu {
struct list_head list;
uint32_t id;
int fd;
struct kvm_run *state;
};
struct kvm_vm {
int mode;
unsigned long type;
int kvm_fd;
int fd;
unsigned int pgtable_levels;
unsigned int page_size;
unsigned int page_shift;
unsigned int pa_bits;
unsigned int va_bits;
uint64_t max_gfn;
struct list_head vcpus;
struct list_head userspace_mem_regions;
struct sparsebit *vpages_valid;
struct sparsebit *vpages_mapped;
bool has_irqchip;
bool pgd_created;
vm_paddr_t pgd;
vm_vaddr_t gdt;
vm_vaddr_t tss;
vm_vaddr_t idt;
vm_vaddr_t handlers;
};
struct vcpu *vcpu_find(struct kvm_vm *vm, uint32_t vcpuid);
/*
* Virtual Translation Tables Dump
*
* Input Args:
* stream - Output FILE stream
* vm - Virtual Machine
* indent - Left margin indent amount
*
* Output Args: None
*
* Return: None
*
* Dumps to the FILE stream given by @stream, the contents of all the
* virtual translation tables for the VM given by @vm.
*/
void virt_dump(FILE *stream, struct kvm_vm *vm, uint8_t indent);
/*
* Register Dump
*
* Input Args:
* stream - Output FILE stream
* regs - Registers
* indent - Left margin indent amount
*
* Output Args: None
*
* Return: None
*
* Dumps the state of the registers given by @regs, to the FILE stream
* given by @stream.
*/
void regs_dump(FILE *stream, struct kvm_regs *regs, uint8_t indent);
/*
* System Register Dump
*
* Input Args:
* stream - Output FILE stream
* sregs - System registers
* indent - Left margin indent amount
*
* Output Args: None
*
* Return: None
*
* Dumps the state of the system registers given by @sregs, to the FILE stream
* given by @stream.
*/
void sregs_dump(FILE *stream, struct kvm_sregs *sregs, uint8_t indent);
struct userspace_mem_region *
memslot2region(struct kvm_vm *vm, uint32_t memslot);
#endif /* SELFTEST_KVM_UTIL_INTERNAL_H */