84 lines
2.6 KiB
C
84 lines
2.6 KiB
C
// SPDX-License-Identifier: GPL-2.0
|
|
/*
|
|
* tools/testing/selftests/kvm/include/memstress.h
|
|
*
|
|
* Copyright (C) 2020, Google LLC.
|
|
*/
|
|
|
|
#ifndef SELFTEST_KVM_MEMSTRESS_H
|
|
#define SELFTEST_KVM_MEMSTRESS_H
|
|
|
|
#include <pthread.h>
|
|
|
|
#include "kvm_util.h"
|
|
|
|
/* Default guest test virtual memory offset */
|
|
#define DEFAULT_GUEST_TEST_MEM 0xc0000000
|
|
|
|
#define DEFAULT_PER_VCPU_MEM_SIZE (1 << 30) /* 1G */
|
|
|
|
#define MEMSTRESS_MEM_SLOT_INDEX 1
|
|
|
|
struct memstress_vcpu_args {
|
|
uint64_t gpa;
|
|
uint64_t gva;
|
|
uint64_t pages;
|
|
|
|
/* Only used by the host userspace part of the vCPU thread */
|
|
struct kvm_vcpu *vcpu;
|
|
int vcpu_idx;
|
|
};
|
|
|
|
struct memstress_args {
|
|
struct kvm_vm *vm;
|
|
/* The starting address and size of the guest test region. */
|
|
uint64_t gpa;
|
|
uint64_t size;
|
|
uint64_t guest_page_size;
|
|
uint32_t random_seed;
|
|
uint32_t write_percent;
|
|
|
|
/* Run vCPUs in L2 instead of L1, if the architecture supports it. */
|
|
bool nested;
|
|
/* Randomize which pages are accessed by the guest. */
|
|
bool random_access;
|
|
/* True if all vCPUs are pinned to pCPUs */
|
|
bool pin_vcpus;
|
|
/* The vCPU=>pCPU pinning map. Only valid if pin_vcpus is true. */
|
|
uint32_t vcpu_to_pcpu[KVM_MAX_VCPUS];
|
|
|
|
/* Test is done, stop running vCPUs. */
|
|
bool stop_vcpus;
|
|
|
|
struct memstress_vcpu_args vcpu_args[KVM_MAX_VCPUS];
|
|
};
|
|
|
|
extern struct memstress_args memstress_args;
|
|
|
|
struct kvm_vm *memstress_create_vm(enum vm_guest_mode mode, int nr_vcpus,
|
|
uint64_t vcpu_memory_bytes, int slots,
|
|
enum vm_mem_backing_src_type backing_src,
|
|
bool partition_vcpu_memory_access);
|
|
void memstress_destroy_vm(struct kvm_vm *vm);
|
|
|
|
void memstress_set_write_percent(struct kvm_vm *vm, uint32_t write_percent);
|
|
void memstress_set_random_seed(struct kvm_vm *vm, uint32_t random_seed);
|
|
void memstress_set_random_access(struct kvm_vm *vm, bool random_access);
|
|
|
|
void memstress_start_vcpu_threads(int vcpus, void (*vcpu_fn)(struct memstress_vcpu_args *));
|
|
void memstress_join_vcpu_threads(int vcpus);
|
|
void memstress_guest_code(uint32_t vcpu_id);
|
|
|
|
uint64_t memstress_nested_pages(int nr_vcpus);
|
|
void memstress_setup_nested(struct kvm_vm *vm, int nr_vcpus, struct kvm_vcpu *vcpus[]);
|
|
|
|
void memstress_enable_dirty_logging(struct kvm_vm *vm, int slots);
|
|
void memstress_disable_dirty_logging(struct kvm_vm *vm, int slots);
|
|
void memstress_get_dirty_log(struct kvm_vm *vm, unsigned long *bitmaps[], int slots);
|
|
void memstress_clear_dirty_log(struct kvm_vm *vm, unsigned long *bitmaps[],
|
|
int slots, uint64_t pages_per_slot);
|
|
unsigned long **memstress_alloc_bitmaps(int slots, uint64_t pages_per_slot);
|
|
void memstress_free_bitmaps(unsigned long *bitmaps[], int slots);
|
|
|
|
#endif /* SELFTEST_KVM_MEMSTRESS_H */
|