From mboxrd@z Thu Jan 1 00:00:00 1970 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 AE5B6C433FE for ; Wed, 4 May 2022 22:53:05 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S232144AbiEDW4k (ORCPT ); Wed, 4 May 2022 18:56:40 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:43524 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1379491AbiEDWyO (ORCPT ); Wed, 4 May 2022 18:54:14 -0400 Received: from mail-pl1-x64a.google.com (mail-pl1-x64a.google.com [IPv6:2607:f8b0:4864:20::64a]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id C29942C0 for ; Wed, 4 May 2022 15:50:35 -0700 (PDT) Received: by mail-pl1-x64a.google.com with SMTP id t14-20020a1709028c8e00b0015cf7e541feso1374468plo.1 for ; Wed, 04 May 2022 15:50:35 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=google.com; s=20210112; h=reply-to:date:in-reply-to:message-id:mime-version:references :subject:from:to:cc; bh=9jXKE0rUZ9kYyhb9BST26AERA1zvCEHsctDG79q5cW4=; b=ehV0EQzd7Mn7PTAoQXcuqVwKk1QUJjsyl6vxkjSb9ZFy2V9VsbqTeabBVDS0YXb4p9 Tl46g6Cej/wgmg+YDaTSaMmgT2AkbkfULqUJ/MJYztGI/OSO5GM/bHwsiCQGI6F84Ia7 BgMfd/h2+uiyYD125aQ56GrIDwAj95cOXJCEDSOcQlGtjDB0B74fWy6LDLROGfw7m7Ka fmSbOlGapGRQp/JzqKB/sNtJqEjn16uA6/33uunTLhAUJnb/MCLvTrn9jJemp0na+lwO faG2wxNw6xP9PxCbDRzX6c4LIXGL4pGpOn6BJiyT6yQok/2QI3BALFBdk8SOJhKjY3FS tgnQ== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20210112; h=x-gm-message-state:reply-to:date:in-reply-to:message-id :mime-version:references:subject:from:to:cc; bh=9jXKE0rUZ9kYyhb9BST26AERA1zvCEHsctDG79q5cW4=; b=bZqlBWRxhAs5Siym2zDdvy12wsnhUpReHvqNry0Uas1lzKkUvre3X9mB5zeZz7RDbI BzhexvLtkui7WfTRCAg8zZ3EVot4bkpv+g7/hXQMfTHzigOY8Xs+sI+r/x7u/3XqFiQI bnLVb+FxufwMTYdPh0choCo4MZu/3llWS9/xHzkzhc0pwg9uIz3kgzjL7XrMO7P65yzI fFopVtXiwYS0UhLK3jBHP/Kj0YcTSmAAa2wKZziDvLvytWADmygPZE5v4uEHw0HtkAuC KnBDbhKToFNZvChfBzFU60P+V2PUoU9xlRkxPDeXRRE8eVvnyru+rCJQvqBu1pItc/Y3 DzcQ== X-Gm-Message-State: AOAM5301IOc93RhYQpALjsM9pDAOizl6yygvBtws7akIpOHvF6TC7R17 DzlUXHN0pKtzXAHhBah4XfskSxbv9h8= X-Google-Smtp-Source: ABdhPJxKrO6FhJD0GBjJ37zsGyDmHvQ1m4srx0cCKwqAQuGA6FjOI7CtuFKltlYmmrFu8a4Axbk9eSeViQM= X-Received: from seanjc.c.googlers.com ([fda3:e722:ac3:cc00:7f:e700:c0a8:3e5]) (user=seanjc job=sendgmr) by 2002:a05:6a00:2284:b0:50a:40b8:28ff with SMTP id f4-20020a056a00228400b0050a40b828ffmr23096615pfe.17.1651704635443; Wed, 04 May 2022 15:50:35 -0700 (PDT) Reply-To: Sean Christopherson Date: Wed, 4 May 2022 22:47:43 +0000 In-Reply-To: <20220504224914.1654036-1-seanjc@google.com> Message-Id: <20220504224914.1654036-38-seanjc@google.com> Mime-Version: 1.0 References: <20220504224914.1654036-1-seanjc@google.com> X-Mailer: git-send-email 2.36.0.464.gb9c8b46e94-goog Subject: [PATCH 037/128] KVM: selftests: Make vm_create() a wrapper that specifies VM_MODE_DEFAULT From: Sean Christopherson To: Paolo Bonzini Cc: linux-kernel@vger.kernel.org, kvm@vger.kernel.org, Vitaly Kuznetsov , Andrew Jones , David Matlack , Ben Gardon , Oliver Upton , Sean Christopherson Content-Type: text/plain; charset="UTF-8" Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Add ____vm_create() to be the innermost helper, and turn vm_create() into a wrapper the specifies VM_MODE_DEFAULT. Most of the vm_create() callers just want the default mode, or more accurately, don't care about the mode. Signed-off-by: Sean Christopherson --- .../selftests/kvm/aarch64/psci_cpu_on_test.c | 2 +- tools/testing/selftests/kvm/dirty_log_test.c | 2 +- .../selftests/kvm/hardware_disable_test.c | 2 +- .../selftests/kvm/include/kvm_util_base.h | 18 +++++++++++++----- tools/testing/selftests/kvm/lib/kvm_util.c | 16 ++++++++-------- .../kvm/x86_64/pmu_event_filter_test.c | 2 +- .../selftests/kvm/x86_64/set_boot_cpu_id.c | 2 +- 7 files changed, 26 insertions(+), 18 deletions(-) diff --git a/tools/testing/selftests/kvm/aarch64/psci_cpu_on_test.c b/tools/testing/selftests/kvm/aarch64/psci_cpu_on_test.c index 4dc04a12f527..d60c1ddf8870 100644 --- a/tools/testing/selftests/kvm/aarch64/psci_cpu_on_test.c +++ b/tools/testing/selftests/kvm/aarch64/psci_cpu_on_test.c @@ -76,7 +76,7 @@ int main(void) struct kvm_vm *vm; struct ucall uc; - vm = vm_create(VM_MODE_DEFAULT, DEFAULT_GUEST_PHY_PAGES); + vm = vm_create(DEFAULT_GUEST_PHY_PAGES); ucall_init(vm, NULL); vm_ioctl(vm, KVM_ARM_PREFERRED_TARGET, &init); diff --git a/tools/testing/selftests/kvm/dirty_log_test.c b/tools/testing/selftests/kvm/dirty_log_test.c index aa7eb01ad25f..66ee00b45847 100644 --- a/tools/testing/selftests/kvm/dirty_log_test.c +++ b/tools/testing/selftests/kvm/dirty_log_test.c @@ -677,7 +677,7 @@ static struct kvm_vm *create_vm(enum vm_guest_mode mode, uint32_t vcpuid, pr_info("Testing guest mode: %s\n", vm_guest_mode_string(mode)); - vm = vm_create(mode, DEFAULT_GUEST_PHY_PAGES + extra_pg_pages); + vm = __vm_create(mode, DEFAULT_GUEST_PHY_PAGES + extra_pg_pages); log_mode_create_vm_done(vm); vm_vcpu_add_default(vm, vcpuid, guest_code); diff --git a/tools/testing/selftests/kvm/hardware_disable_test.c b/tools/testing/selftests/kvm/hardware_disable_test.c index 299862a85b8d..ccbbf8783e2d 100644 --- a/tools/testing/selftests/kvm/hardware_disable_test.c +++ b/tools/testing/selftests/kvm/hardware_disable_test.c @@ -104,7 +104,7 @@ static void run_test(uint32_t run) for (i = 0; i < VCPU_NUM; i++) CPU_SET(i, &cpu_set); - vm = vm_create(VM_MODE_DEFAULT, DEFAULT_GUEST_PHY_PAGES); + vm = vm_create(DEFAULT_GUEST_PHY_PAGES); pr_debug("%s: [%d] start vcpus\n", __func__, run); for (i = 0; i < VCPU_NUM; ++i) { diff --git a/tools/testing/selftests/kvm/include/kvm_util_base.h b/tools/testing/selftests/kvm/include/kvm_util_base.h index 48a4000222c1..136b5428ae0e 100644 --- a/tools/testing/selftests/kvm/include/kvm_util_base.h +++ b/tools/testing/selftests/kvm/include/kvm_util_base.h @@ -239,7 +239,6 @@ static inline void vm_enable_cap(struct kvm_vm *vm, struct kvm_enable_cap *cap) void vm_enable_dirty_ring(struct kvm_vm *vm, uint32_t ring_size); const char *vm_guest_mode_string(uint32_t i); -struct kvm_vm *__vm_create(enum vm_guest_mode mode, uint64_t phy_pages); void kvm_vm_free(struct kvm_vm *vmp); void kvm_vm_restart(struct kvm_vm *vmp); void kvm_vm_release(struct kvm_vm *vmp); @@ -594,9 +593,21 @@ vm_paddr_t vm_phy_pages_alloc(struct kvm_vm *vm, size_t num, vm_paddr_t paddr_min, uint32_t memslot); vm_paddr_t vm_alloc_page_table(struct kvm_vm *vm); +/* + * ____vm_create() does KVM_CREATE_VM and little else. __vm_create() also + * loads the test binary into guest memory and creates an IRQ chip (x86 only). + */ +struct kvm_vm *____vm_create(enum vm_guest_mode mode, uint64_t nr_pages); +struct kvm_vm *__vm_create(enum vm_guest_mode mode, uint64_t nr_pages); + static inline struct kvm_vm *vm_create_barebones(void) { - return __vm_create(VM_MODE_DEFAULT, 0); + return ____vm_create(VM_MODE_DEFAULT, 0); +} + +static inline struct kvm_vm *vm_create(uint64_t nr_pages) +{ + return __vm_create(VM_MODE_DEFAULT, nr_pages); } /* @@ -628,9 +639,6 @@ struct kvm_vm *vm_create_with_vcpus(enum vm_guest_mode mode, uint32_t nr_vcpus, uint32_t num_percpu_pages, void *guest_code, uint32_t vcpuids[]); -/* Create a default VM without any vcpus. */ -struct kvm_vm *vm_create(enum vm_guest_mode mode, uint64_t pages); - /* * Create a VM with a single vCPU with reasonable defaults and @extra_mem_pages * additional pages of guest memory. Returns the VM and vCPU (via out param). diff --git a/tools/testing/selftests/kvm/lib/kvm_util.c b/tools/testing/selftests/kvm/lib/kvm_util.c index 632912aeaeb9..73247afa7265 100644 --- a/tools/testing/selftests/kvm/lib/kvm_util.c +++ b/tools/testing/selftests/kvm/lib/kvm_util.c @@ -153,12 +153,12 @@ const struct vm_guest_mode_params vm_guest_mode_params[] = { _Static_assert(sizeof(vm_guest_mode_params)/sizeof(struct vm_guest_mode_params) == NUM_VM_MODES, "Missing new mode params?"); -struct kvm_vm *__vm_create(enum vm_guest_mode mode, uint64_t phy_pages) +struct kvm_vm *____vm_create(enum vm_guest_mode mode, uint64_t nr_pages) { struct kvm_vm *vm; pr_debug("%s: mode='%s' pages='%ld'\n", __func__, - vm_guest_mode_string(mode), phy_pages); + vm_guest_mode_string(mode), nr_pages); vm = calloc(1, sizeof(*vm)); TEST_ASSERT(vm != NULL, "Insufficient Memory"); @@ -255,20 +255,20 @@ struct kvm_vm *__vm_create(enum vm_guest_mode mode, uint64_t phy_pages) /* Allocate and setup memory for guest. */ vm->vpages_mapped = sparsebit_alloc(); - if (phy_pages != 0) + if (nr_pages != 0) vm_userspace_mem_region_add(vm, VM_MEM_SRC_ANONYMOUS, - 0, 0, phy_pages, 0); + 0, 0, nr_pages, 0); return vm; } -struct kvm_vm *vm_create(enum vm_guest_mode mode, uint64_t pages) +struct kvm_vm *__vm_create(enum vm_guest_mode mode, uint64_t nr_pages) { struct kvm_vm *vm; - pages = vm_adjust_num_guest_pages(VM_MODE_DEFAULT, pages); + nr_pages = vm_adjust_num_guest_pages(VM_MODE_DEFAULT, nr_pages); - vm = __vm_create(mode, pages); + vm = ____vm_create(mode, nr_pages); kvm_vm_elf_load(vm, program_invocation_name); @@ -327,7 +327,7 @@ struct kvm_vm *vm_create_with_vcpus(enum vm_guest_mode mode, uint32_t nr_vcpus, "nr_vcpus = %d too large for host, max-vcpus = %d", nr_vcpus, kvm_check_cap(KVM_CAP_MAX_VCPUS)); - vm = vm_create(mode, pages); + vm = __vm_create(mode, pages); for (i = 0; i < nr_vcpus; ++i) { uint32_t vcpuid = vcpuids ? vcpuids[i] : i; diff --git a/tools/testing/selftests/kvm/x86_64/pmu_event_filter_test.c b/tools/testing/selftests/kvm/x86_64/pmu_event_filter_test.c index d80b0a408937..93af4ad728d8 100644 --- a/tools/testing/selftests/kvm/x86_64/pmu_event_filter_test.c +++ b/tools/testing/selftests/kvm/x86_64/pmu_event_filter_test.c @@ -340,7 +340,7 @@ static void test_pmu_config_disable(void (*guest_code)(void)) if (!(r & KVM_PMU_CAP_DISABLE)) return; - vm = vm_create(VM_MODE_DEFAULT, DEFAULT_GUEST_PHY_PAGES); + vm = vm_create(DEFAULT_GUEST_PHY_PAGES); cap.cap = KVM_CAP_PMU_CAPABILITY; cap.args[0] = KVM_PMU_CAP_DISABLE; diff --git a/tools/testing/selftests/kvm/x86_64/set_boot_cpu_id.c b/tools/testing/selftests/kvm/x86_64/set_boot_cpu_id.c index 6bc13cf17220..9ba3cd4e7f20 100644 --- a/tools/testing/selftests/kvm/x86_64/set_boot_cpu_id.c +++ b/tools/testing/selftests/kvm/x86_64/set_boot_cpu_id.c @@ -86,7 +86,7 @@ static struct kvm_vm *create_vm(void) uint64_t extra_pg_pages = vcpu_pages / PTES_PER_MIN_PAGE * N_VCPU; uint64_t pages = DEFAULT_GUEST_PHY_PAGES + vcpu_pages + extra_pg_pages; - return vm_create(VM_MODE_DEFAULT, pages); + return vm_create(pages); } static void add_x86_vcpu(struct kvm_vm *vm, uint32_t vcpuid, bool bsp_code) -- 2.36.0.464.gb9c8b46e94-goog