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df079910f9
Use gpa_t instead of u64 for obvious declarations of GPA variables. No functional change intended. Link: https://patch.msgid.link/20260420212004.3938325-18-seanjc@google.com Signed-off-by: Sean Christopherson <seanjc@google.com>
83 lines
2.4 KiB
C
83 lines
2.4 KiB
C
// SPDX-License-Identifier: GPL-2.0
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/*
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* tools/testing/selftests/kvm/include/memstress.h
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*
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* Copyright (C) 2020, Google LLC.
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*/
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#ifndef SELFTEST_KVM_MEMSTRESS_H
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#define SELFTEST_KVM_MEMSTRESS_H
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#include <pthread.h>
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#include "kvm_util.h"
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/* Default guest test virtual memory offset */
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#define DEFAULT_GUEST_TEST_MEM 0xc0000000
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#define DEFAULT_PER_VCPU_MEM_SIZE (1 << 30) /* 1G */
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#define MEMSTRESS_MEM_SLOT_INDEX 1
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struct memstress_vcpu_args {
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gpa_t gpa;
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gva_t gva;
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u64 pages;
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/* Only used by the host userspace part of the vCPU thread */
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struct kvm_vcpu *vcpu;
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int vcpu_idx;
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};
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struct memstress_args {
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struct kvm_vm *vm;
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/* The starting address and size of the guest test region. */
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gpa_t gpa;
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u64 size;
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u64 guest_page_size;
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u32 random_seed;
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u32 write_percent;
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/* Run vCPUs in L2 instead of L1, if the architecture supports it. */
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bool nested;
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/* Randomize which pages are accessed by the guest. */
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bool random_access;
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/* True if all vCPUs are pinned to pCPUs */
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bool pin_vcpus;
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/* The vCPU=>pCPU pinning map. Only valid if pin_vcpus is true. */
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u32 vcpu_to_pcpu[KVM_MAX_VCPUS];
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/* Test is done, stop running vCPUs. */
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bool stop_vcpus;
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struct memstress_vcpu_args vcpu_args[KVM_MAX_VCPUS];
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};
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extern struct memstress_args memstress_args;
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struct kvm_vm *memstress_create_vm(enum vm_guest_mode mode, int nr_vcpus,
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u64 vcpu_memory_bytes, int slots,
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enum vm_mem_backing_src_type backing_src,
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bool partition_vcpu_memory_access);
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void memstress_destroy_vm(struct kvm_vm *vm);
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void memstress_set_write_percent(struct kvm_vm *vm, u32 write_percent);
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void memstress_set_random_access(struct kvm_vm *vm, bool random_access);
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void memstress_start_vcpu_threads(int vcpus, void (*vcpu_fn)(struct memstress_vcpu_args *));
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void memstress_join_vcpu_threads(int vcpus);
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void memstress_guest_code(u32 vcpu_id);
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u64 memstress_nested_pages(int nr_vcpus);
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void memstress_setup_nested(struct kvm_vm *vm, int nr_vcpus, struct kvm_vcpu *vcpus[]);
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void memstress_enable_dirty_logging(struct kvm_vm *vm, int slots);
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void memstress_disable_dirty_logging(struct kvm_vm *vm, int slots);
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void memstress_get_dirty_log(struct kvm_vm *vm, unsigned long *bitmaps[], int slots);
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void memstress_clear_dirty_log(struct kvm_vm *vm, unsigned long *bitmaps[],
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int slots, u64 pages_per_slot);
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unsigned long **memstress_alloc_bitmaps(int slots, u64 pages_per_slot);
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void memstress_free_bitmaps(unsigned long *bitmaps[], int slots);
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#endif /* SELFTEST_KVM_MEMSTRESS_H */
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