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AJvYcCXTeoDqQmoc+be4QWkUzPd4N0GGjJeKz2VInS0Ng6DnHRNpxntPEPPKTwcPMeV8PP7Bch1jZ78vheVeChA=@vger.kernel.org X-Gm-Message-State: AOJu0YxIlC0aV5e8tr0zTKy09vBmrIcTk4FGd9zUccak8xion1QCaWIr wrwJfoe18GEgw0Rf/Q0moUIPpN5gqLOMtsEUBv7MwfHaN08f7uyx9iuCJLSKhU5nMcCaKoY6fr7 kivb0K966ww== X-Google-Smtp-Source: AGHT+IFy+jT+27vVJgz7R2oehTji+RlKiv3+uUc/6owtg1K9ubfV5NHggyHzsM0M3NoRAMEDy2BAnXhRN7jv X-Received: from pjwx4.prod.google.com ([2002:a17:90a:c2c4:b0:2fa:1fac:2695]) (user=afranji job=prod-delivery.src-stubby-dispatcher) by 2002:a17:90b:4a83:b0:2ee:8e75:4aeb with SMTP id 98e67ed59e1d1-30e8313d1d5mr6376058a91.17.1747423206206; Fri, 16 May 2025 12:20:06 -0700 (PDT) Date: Fri, 16 May 2025 19:19:32 +0000 In-Reply-To: Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: Mime-Version: 1.0 References: X-Mailer: git-send-email 2.49.0.1101.gccaa498523-goog Message-ID: <8a479dcaa271976e784d8b592e75d883a2c7721a.1747368093.git.afranji@google.com> Subject: [RFC PATCH v2 12/13] KVM: selftests: Generalize migration functions from sev_migrate_tests.c From: Ryan Afranji To: afranji@google.com, ackerleytng@google.com, pbonzini@redhat.com, seanjc@google.com, tglx@linutronix.de, x86@kernel.org, kvm@vger.kernel.org, linux-kernel@vger.kernel.org, linux-kselftest@vger.kernel.org, tabba@google.com Cc: mingo@redhat.com, bp@alien8.de, dave.hansen@linux.intel.com, hpa@zytor.com, shuah@kernel.org, andrew.jones@linux.dev, ricarkol@google.com, chao.p.peng@linux.intel.com, jarkko@kernel.org, yu.c.zhang@linux.intel.com, vannapurve@google.com, erdemaktas@google.com, mail@maciej.szmigiero.name, vbabka@suse.cz, david@redhat.com, qperret@google.com, michael.roth@amd.com, wei.w.wang@intel.com, liam.merwick@oracle.com, isaku.yamahata@gmail.com, kirill.shutemov@linux.intel.com, sagis@google.com, jthoughton@google.com Content-Transfer-Encoding: quoted-printable Content-Type: text/plain; charset="utf-8" From: Ackerley Tng These functions will be used in private (guest mem) migration tests. Signed-off-by: Ackerley Tng Signed-off-by: Ryan Afranji --- .../testing/selftests/kvm/include/kvm_util.h | 13 +++++ .../selftests/kvm/x86/sev_migrate_tests.c | 48 +++++++------------ 2 files changed, 30 insertions(+), 31 deletions(-) diff --git a/tools/testing/selftests/kvm/include/kvm_util.h b/tools/testing= /selftests/kvm/include/kvm_util.h index 68faa658b69e..80375d6456a5 100644 --- a/tools/testing/selftests/kvm/include/kvm_util.h +++ b/tools/testing/selftests/kvm/include/kvm_util.h @@ -378,6 +378,19 @@ static inline void vm_enable_cap(struct kvm_vm *vm, ui= nt32_t cap, uint64_t arg0) vm_ioctl(vm, KVM_ENABLE_CAP, &enable_cap); } =20 +static inline int __vm_migrate_from(struct kvm_vm *dst, struct kvm_vm *src) +{ + return __vm_enable_cap(dst, KVM_CAP_VM_MOVE_ENC_CONTEXT_FROM, src->fd); +} + +static inline void vm_migrate_from(struct kvm_vm *dst, struct kvm_vm *src) +{ + int ret; + + ret =3D __vm_migrate_from(dst, src); + TEST_ASSERT(!ret, "Migration failed, ret: %d, errno: %d\n", ret, errno); +} + static inline void vm_set_memory_attributes(struct kvm_vm *vm, uint64_t gp= a, uint64_t size, uint64_t attributes) { diff --git a/tools/testing/selftests/kvm/x86/sev_migrate_tests.c b/tools/te= sting/selftests/kvm/x86/sev_migrate_tests.c index 0a6dfba3905b..905cdf9b39b1 100644 --- a/tools/testing/selftests/kvm/x86/sev_migrate_tests.c +++ b/tools/testing/selftests/kvm/x86/sev_migrate_tests.c @@ -56,20 +56,6 @@ static struct kvm_vm *aux_vm_create(bool with_vcpus) return vm; } =20 -static int __sev_migrate_from(struct kvm_vm *dst, struct kvm_vm *src) -{ - return __vm_enable_cap(dst, KVM_CAP_VM_MOVE_ENC_CONTEXT_FROM, src->fd); -} - - -static void sev_migrate_from(struct kvm_vm *dst, struct kvm_vm *src) -{ - int ret; - - ret =3D __sev_migrate_from(dst, src); - TEST_ASSERT(!ret, "Migration failed, ret: %d, errno: %d", ret, errno); -} - static void test_sev_migrate_from(bool es) { struct kvm_vm *src_vm; @@ -81,13 +67,13 @@ static void test_sev_migrate_from(bool es) dst_vms[i] =3D aux_vm_create(true); =20 /* Initial migration from the src to the first dst. */ - sev_migrate_from(dst_vms[0], src_vm); + vm_migrate_from(dst_vms[0], src_vm); =20 for (i =3D 1; i < NR_MIGRATE_TEST_VMS; i++) - sev_migrate_from(dst_vms[i], dst_vms[i - 1]); + vm_migrate_from(dst_vms[i], dst_vms[i - 1]); =20 /* Migrate the guest back to the original VM. */ - ret =3D __sev_migrate_from(src_vm, dst_vms[NR_MIGRATE_TEST_VMS - 1]); + ret =3D __vm_migrate_from(src_vm, dst_vms[NR_MIGRATE_TEST_VMS - 1]); TEST_ASSERT(ret =3D=3D -1 && errno =3D=3D EIO, "VM that was migrated from should be dead. ret %d, errno: %d", ret, errno); @@ -109,7 +95,7 @@ static void *locking_test_thread(void *arg) =20 for (i =3D 0; i < NR_LOCK_TESTING_ITERATIONS; ++i) { j =3D i % NR_LOCK_TESTING_THREADS; - __sev_migrate_from(input->vm, input->source_vms[j]); + __vm_migrate_from(input->vm, input->source_vms[j]); } =20 return NULL; @@ -146,7 +132,7 @@ static void test_sev_migrate_parameters(void) =20 vm_no_vcpu =3D vm_create_barebones(); vm_no_sev =3D aux_vm_create(true); - ret =3D __sev_migrate_from(vm_no_vcpu, vm_no_sev); + ret =3D __vm_migrate_from(vm_no_vcpu, vm_no_sev); TEST_ASSERT(ret =3D=3D -1 && errno =3D=3D EINVAL, "Migrations require SEV enabled. ret %d, errno: %d", ret, errno); @@ -160,25 +146,25 @@ static void test_sev_migrate_parameters(void) sev_es_vm_init(sev_es_vm_no_vmsa); __vm_vcpu_add(sev_es_vm_no_vmsa, 1); =20 - ret =3D __sev_migrate_from(sev_vm, sev_es_vm); + ret =3D __vm_migrate_from(sev_vm, sev_es_vm); TEST_ASSERT( ret =3D=3D -1 && errno =3D=3D EINVAL, "Should not be able migrate to SEV enabled VM. ret: %d, errno: %d", ret, errno); =20 - ret =3D __sev_migrate_from(sev_es_vm, sev_vm); + ret =3D __vm_migrate_from(sev_es_vm, sev_vm); TEST_ASSERT( ret =3D=3D -1 && errno =3D=3D EINVAL, "Should not be able migrate to SEV-ES enabled VM. ret: %d, errno: %d", ret, errno); =20 - ret =3D __sev_migrate_from(vm_no_vcpu, sev_es_vm); + ret =3D __vm_migrate_from(vm_no_vcpu, sev_es_vm); TEST_ASSERT( ret =3D=3D -1 && errno =3D=3D EINVAL, "SEV-ES migrations require same number of vCPUS. ret: %d, errno: %d", ret, errno); =20 - ret =3D __sev_migrate_from(vm_no_vcpu, sev_es_vm_no_vmsa); + ret =3D __vm_migrate_from(vm_no_vcpu, sev_es_vm_no_vmsa); TEST_ASSERT( ret =3D=3D -1 && errno =3D=3D EINVAL, "SEV-ES migrations require UPDATE_VMSA. ret %d, errno: %d", @@ -331,14 +317,14 @@ static void test_sev_move_copy(void) =20 sev_mirror_create(mirror_vm, sev_vm); =20 - sev_migrate_from(dst_mirror_vm, mirror_vm); - sev_migrate_from(dst_vm, sev_vm); + vm_migrate_from(dst_mirror_vm, mirror_vm); + vm_migrate_from(dst_vm, sev_vm); =20 - sev_migrate_from(dst2_vm, dst_vm); - sev_migrate_from(dst2_mirror_vm, dst_mirror_vm); + vm_migrate_from(dst2_vm, dst_vm); + vm_migrate_from(dst2_mirror_vm, dst_mirror_vm); =20 - sev_migrate_from(dst3_mirror_vm, dst2_mirror_vm); - sev_migrate_from(dst3_vm, dst2_vm); + vm_migrate_from(dst3_mirror_vm, dst2_mirror_vm); + vm_migrate_from(dst3_vm, dst2_vm); =20 kvm_vm_free(dst_vm); kvm_vm_free(sev_vm); @@ -360,8 +346,8 @@ static void test_sev_move_copy(void) =20 sev_mirror_create(mirror_vm, sev_vm); =20 - sev_migrate_from(dst_mirror_vm, mirror_vm); - sev_migrate_from(dst_vm, sev_vm); + vm_migrate_from(dst_mirror_vm, mirror_vm); + vm_migrate_from(dst_vm, sev_vm); =20 kvm_vm_free(mirror_vm); kvm_vm_free(dst_mirror_vm); --=20 2.49.0.1101.gccaa498523-goog