// SPDX-License-Identifier: GPL-2.0 /* * tools/testing/selftests/kvm/include/perf_test_util.h * * Copyright (C) 2020, Google LLC. */ #ifndef SELFTEST_KVM_PERF_TEST_UTIL_H #define SELFTEST_KVM_PERF_TEST_UTIL_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 PERF_TEST_MEM_SLOT_INDEX 1 struct perf_test_vcpu_args { uint64_t gva; uint64_t pages; /* Only used by the host userspace part of the vCPU thread */ int vcpu_id; }; struct perf_test_args { struct kvm_vm *vm; uint64_t host_page_size; uint64_t guest_page_size; int wr_fract; struct perf_test_vcpu_args vcpu_args[KVM_MAX_VCPUS]; }; extern struct perf_test_args perf_test_args; /* * Guest physical memory offset of the testing memory slot. * This will be set to the topmost valid physical address minus * the test memory size. */ extern uint64_t guest_test_phys_mem; struct kvm_vm *perf_test_create_vm(enum vm_guest_mode mode, int vcpus, uint64_t vcpu_memory_bytes, enum vm_mem_backing_src_type backing_src); void perf_test_destroy_vm(struct kvm_vm *vm); void perf_test_setup_vcpus(struct kvm_vm *vm, int vcpus, uint64_t vcpu_memory_bytes, bool partition_vcpu_memory_access); #endif /* SELFTEST_KVM_PERF_TEST_UTIL_H */