From patchwork Mon Aug 7 23:01:13 2023 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Ackerley Tng X-Patchwork-Id: 711388 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by smtp.lore.kernel.org (Postfix) with ESMTP id 5CDE1C41513 for ; Mon, 7 Aug 2023 23:02:42 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S231444AbjHGXCl (ORCPT ); Mon, 7 Aug 2023 19:02:41 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:41114 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S230131AbjHGXCR (ORCPT ); Mon, 7 Aug 2023 19:02:17 -0400 Received: from mail-yw1-x1149.google.com (mail-yw1-x1149.google.com [IPv6:2607:f8b0:4864:20::1149]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 200341FC9 for ; Mon, 7 Aug 2023 16:01:49 -0700 (PDT) Received: by mail-yw1-x1149.google.com with SMTP id 00721157ae682-585f04ffa3eso65814187b3.0 for ; Mon, 07 Aug 2023 16:01:49 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=google.com; s=20221208; t=1691449308; x=1692054108; h=cc:to:from:subject:message-id:references:mime-version:in-reply-to :date:from:to:cc:subject:date:message-id:reply-to; bh=IGhoZooqadODHcw0sKitGtx/x1DrGCR27u12EaEc5Bk=; b=u3QTOXFm9OBaQwq6T7BIR0Q+bo9nIq4PtS/Gtd/NlHHiWA75p5FU8hLg8GrlR6JTSv nrusB4nabH9ryjjrQ7I4j9ROJwbZwrwaKsa8CrPgwuOHhP50Y2KDNbdKPKpX/fHRxy81 G8RPWfOA4YE/Udx3DhY8BK1fLBC2SonctbBdOi6o84iJ+7a8JiOh30rt/h754ZQc7yWk LP4WzrMp9p9au1SC/1Ig3p5XCFuAMSYSvdPpx8/fYaKAOITQKfm/VVAGfP5UzJ/k0fUc apGgcpo18O21U9BdUL1r9W5BQRH6jcGHUToKZe3ZTopV/Wh3lIbtQjTKs60PD2anls+p 7EsQ== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20221208; t=1691449308; x=1692054108; h=cc:to:from:subject:message-id:references:mime-version:in-reply-to :date:x-gm-message-state:from:to:cc:subject:date:message-id:reply-to; bh=IGhoZooqadODHcw0sKitGtx/x1DrGCR27u12EaEc5Bk=; b=IR68UY/rMXGc6p4M6LL54SEppP9ycMbwkchJc+PVuiuxis/s3ZAIj9w/7AvTjm8Gco 80zAueDTsL9A84L0ep/i3BfxvVZv6ORU7LtF6yNvL0CHVKopEMvrgg13f6aEknWo7tWI q35GZ6ZkaG3RSfzbe5ArBkujlhHGhuFMOpNo7nZTNqU7Giy4grcrQR8Cw+96s1oSWK0t yTkoNbON/ffUOBOmwVfEFG5GL5HQROrXmhUneaZqyERuLpO1jZB2Xk8+E1kkWBZrzgO2 MiH0Gol+Oq8ksNmAL3ir6Lvv9au+QA8WvPF7x7Dl8Pg+T5basXD/hYPL+thfEu2GVd51 JyfQ== X-Gm-Message-State: AOJu0Yz4++2RUz46ZT5pH+AqyC3eIcFc+D9MLmR/4M/nu3hzkR8U3Y8M O46KpNuBfA6YsoGF/ZzNLCSOh//mXX2usyXbIQ== X-Google-Smtp-Source: AGHT+IH9f9RoYdTDwcLqKlgV75d0SH2uiiILMo3c1b9SEmL2dgda9SBOo94a94VqNiHt5g21Tkl3iy4Z5sOB9n5Vpg== X-Received: from ackerleytng-ctop.c.googlers.com ([fda3:e722:ac3:cc00:7f:e700:c0a8:13f8]) (user=ackerleytng job=sendgmr) by 2002:a25:8052:0:b0:d3d:74b6:e085 with SMTP id a18-20020a258052000000b00d3d74b6e085mr61692ybn.8.1691449308117; Mon, 07 Aug 2023 16:01:48 -0700 (PDT) Date: Mon, 7 Aug 2023 23:01:13 +0000 In-Reply-To: Mime-Version: 1.0 References: X-Mailer: git-send-email 2.41.0.640.ga95def55d0-goog Message-ID: <6244c632343298a1ee785a20f3eb6d6b1f3d3e0a.1691446946.git.ackerleytng@google.com> Subject: [RFC PATCH 10/11] KVM: selftests: Generalize migration functions from sev_migrate_tests.c From: Ackerley Tng To: 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 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, tabba@google.com, jarkko@kernel.org, yu.c.zhang@linux.intel.com, vannapurve@google.com, ackerleytng@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 Precedence: bulk List-ID: X-Mailing-List: linux-kselftest@vger.kernel.org These functions will be used in private (guest mem) migration tests. Signed-off-by: Ackerley Tng --- .../selftests/kvm/include/kvm_util_base.h | 13 +++++ .../selftests/kvm/x86_64/sev_migrate_tests.c | 48 +++++++------------ 2 files changed, 30 insertions(+), 31 deletions(-) diff --git a/tools/testing/selftests/kvm/include/kvm_util_base.h b/tools/testing/selftests/kvm/include/kvm_util_base.h index 868925b26a7b..af6ebead5bc3 100644 --- a/tools/testing/selftests/kvm/include/kvm_util_base.h +++ b/tools/testing/selftests/kvm/include/kvm_util_base.h @@ -331,6 +331,19 @@ static inline void vm_enable_cap(struct kvm_vm *vm, uint32_t cap, uint64_t arg0) vm_ioctl(vm, KVM_ENABLE_CAP, &enable_cap); } +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 = __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 gpa, uint64_t size, uint64_t attributes) { diff --git a/tools/testing/selftests/kvm/x86_64/sev_migrate_tests.c b/tools/testing/selftests/kvm/x86_64/sev_migrate_tests.c index c7ef97561038..cee8219fe8d2 100644 --- a/tools/testing/selftests/kvm/x86_64/sev_migrate_tests.c +++ b/tools/testing/selftests/kvm/x86_64/sev_migrate_tests.c @@ -80,20 +80,6 @@ static struct kvm_vm *aux_vm_create(bool with_vcpus) return vm; } -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 = __sev_migrate_from(dst, src); - TEST_ASSERT(!ret, "Migration failed, ret: %d, errno: %d\n", ret, errno); -} - static void test_sev_migrate_from(bool es) { struct kvm_vm *src_vm; @@ -105,13 +91,13 @@ static void test_sev_migrate_from(bool es) dst_vms[i] = aux_vm_create(true); /* 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); for (i = 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]); /* Migrate the guest back to the original VM. */ - ret = __sev_migrate_from(src_vm, dst_vms[NR_MIGRATE_TEST_VMS - 1]); + ret = __vm_migrate_from(src_vm, dst_vms[NR_MIGRATE_TEST_VMS - 1]); TEST_ASSERT(ret == -1 && errno == EIO, "VM that was migrated from should be dead. ret %d, errno: %d\n", ret, errno); @@ -133,7 +119,7 @@ static void *locking_test_thread(void *arg) for (i = 0; i < NR_LOCK_TESTING_ITERATIONS; ++i) { j = i % NR_LOCK_TESTING_THREADS; - __sev_migrate_from(input->vm, input->source_vms[j]); + __vm_migrate_from(input->vm, input->source_vms[j]); } return NULL; @@ -170,7 +156,7 @@ static void test_sev_migrate_parameters(void) vm_no_vcpu = vm_create_barebones(); vm_no_sev = aux_vm_create(true); - ret = __sev_migrate_from(vm_no_vcpu, vm_no_sev); + ret = __vm_migrate_from(vm_no_vcpu, vm_no_sev); TEST_ASSERT(ret == -1 && errno == EINVAL, "Migrations require SEV enabled. ret %d, errno: %d\n", ret, errno); @@ -184,25 +170,25 @@ static void test_sev_migrate_parameters(void) sev_ioctl(sev_es_vm_no_vmsa->fd, KVM_SEV_ES_INIT, NULL); __vm_vcpu_add(sev_es_vm_no_vmsa, 1); - ret = __sev_migrate_from(sev_vm, sev_es_vm); + ret = __vm_migrate_from(sev_vm, sev_es_vm); TEST_ASSERT( ret == -1 && errno == EINVAL, "Should not be able migrate to SEV enabled VM. ret: %d, errno: %d\n", ret, errno); - ret = __sev_migrate_from(sev_es_vm, sev_vm); + ret = __vm_migrate_from(sev_es_vm, sev_vm); TEST_ASSERT( ret == -1 && errno == EINVAL, "Should not be able migrate to SEV-ES enabled VM. ret: %d, errno: %d\n", ret, errno); - ret = __sev_migrate_from(vm_no_vcpu, sev_es_vm); + ret = __vm_migrate_from(vm_no_vcpu, sev_es_vm); TEST_ASSERT( ret == -1 && errno == EINVAL, "SEV-ES migrations require same number of vCPUS. ret: %d, errno: %d\n", ret, errno); - ret = __sev_migrate_from(vm_no_vcpu, sev_es_vm_no_vmsa); + ret = __vm_migrate_from(vm_no_vcpu, sev_es_vm_no_vmsa); TEST_ASSERT( ret == -1 && errno == EINVAL, "SEV-ES migrations require UPDATE_VMSA. ret %d, errno: %d\n", @@ -355,14 +341,14 @@ static void test_sev_move_copy(void) sev_mirror_create(mirror_vm, sev_vm); - 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); - 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); - 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); kvm_vm_free(dst_vm); kvm_vm_free(sev_vm); @@ -384,8 +370,8 @@ static void test_sev_move_copy(void) sev_mirror_create(mirror_vm, sev_vm); - 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); kvm_vm_free(mirror_vm); kvm_vm_free(dst_mirror_vm);