From patchwork Mon Jun 13 13:39:12 2022 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Vitaly Kuznetsov X-Patchwork-Id: 12879843 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 D0184CCA47F for ; Mon, 13 Jun 2022 17:57:04 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S242998AbiFMR4m (ORCPT ); Mon, 13 Jun 2022 13:56:42 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:33094 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S240995AbiFMRzp (ORCPT ); Mon, 13 Jun 2022 13:55:45 -0400 Received: from us-smtp-delivery-124.mimecast.com (us-smtp-delivery-124.mimecast.com [170.10.133.124]) by lindbergh.monkeyblade.net (Postfix) with ESMTP id 2E9F377F07 for ; Mon, 13 Jun 2022 06:40:50 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=redhat.com; s=mimecast20190719; t=1655127649; h=from:from:reply-to:subject:subject:date:date:message-id:message-id: to:to:cc:cc:mime-version:mime-version:content-type:content-type: content-transfer-encoding:content-transfer-encoding: in-reply-to:in-reply-to:references:references; bh=3U+u4ReYqaOazqmT6HNHfUyVpsXPFnNQeT1h/1AMqNY=; b=HDz6H+3bChf49/ZfHzntNPweLr9UvWMZWMOvQscmAI2SywUokxODjqtp8VJZj2Bglxg23l MJwMl+6HyHzy5TdHqdedMmCTIsoJw8gQWdZ57n4JMmnRE4yqA8+mzHrRuukHLoqd9iblbL e+nXhZ1EbHkaKXKpEtWLJlN7Plr73Zk= Received: from mimecast-mx02.redhat.com (mx3-rdu2.redhat.com [66.187.233.73]) by relay.mimecast.com with ESMTP with STARTTLS (version=TLSv1.2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id us-mta-584-tGVVUvw0N6eITer0KEBcrw-1; Mon, 13 Jun 2022 09:40:45 -0400 X-MC-Unique: tGVVUvw0N6eITer0KEBcrw-1 Received: from smtp.corp.redhat.com (int-mx09.intmail.prod.int.rdu2.redhat.com [10.11.54.9]) (using TLSv1.2 with cipher AECDH-AES256-SHA (256/256 bits)) (No client certificate requested) by mimecast-mx02.redhat.com (Postfix) with ESMTPS id 2B98629ABA16; Mon, 13 Jun 2022 13:40:45 +0000 (UTC) Received: from fedora.redhat.com (unknown [10.40.194.60]) by smtp.corp.redhat.com (Postfix) with ESMTP id D2067492CA2; Mon, 13 Jun 2022 13:40:42 +0000 (UTC) From: Vitaly Kuznetsov To: kvm@vger.kernel.org, Paolo Bonzini Cc: Sean Christopherson , Maxim Levitsky , Wanpeng Li , Jim Mattson , Michael Kelley , Siddharth Chandrasekaran , Yuan Yao , linux-hyperv@vger.kernel.org, linux-kernel@vger.kernel.org Subject: [PATCH v7 29/39] KVM: selftests: Export vm_vaddr_unused_gap() to make it possible to request unmapped ranges Date: Mon, 13 Jun 2022 15:39:12 +0200 Message-Id: <20220613133922.2875594-30-vkuznets@redhat.com> In-Reply-To: <20220613133922.2875594-1-vkuznets@redhat.com> References: <20220613133922.2875594-1-vkuznets@redhat.com> MIME-Version: 1.0 X-Scanned-By: MIMEDefang 2.85 on 10.11.54.9 Precedence: bulk List-ID: X-Mailing-List: kvm@vger.kernel.org Currently, tests can only request a new vaddr range by using vm_vaddr_alloc()/vm_vaddr_alloc_page()/vm_vaddr_alloc_pages() but these functions allocate and map physical pages too. Make it possible to request unmapped range too. Signed-off-by: Vitaly Kuznetsov --- tools/testing/selftests/kvm/include/kvm_util_base.h | 1 + tools/testing/selftests/kvm/lib/kvm_util.c | 4 ++-- 2 files changed, 3 insertions(+), 2 deletions(-) diff --git a/tools/testing/selftests/kvm/include/kvm_util_base.h b/tools/testing/selftests/kvm/include/kvm_util_base.h index cdaea2383543..07a1d1823511 100644 --- a/tools/testing/selftests/kvm/include/kvm_util_base.h +++ b/tools/testing/selftests/kvm/include/kvm_util_base.h @@ -318,6 +318,7 @@ void vm_mem_region_set_flags(struct kvm_vm *vm, uint32_t slot, uint32_t flags); void vm_mem_region_move(struct kvm_vm *vm, uint32_t slot, uint64_t new_gpa); void vm_mem_region_delete(struct kvm_vm *vm, uint32_t slot); struct kvm_vcpu *__vm_vcpu_add(struct kvm_vm *vm, uint32_t vcpu_id); +vm_vaddr_t vm_vaddr_unused_gap(struct kvm_vm *vm, size_t sz, vm_vaddr_t vaddr_min); vm_vaddr_t vm_vaddr_alloc(struct kvm_vm *vm, size_t sz, vm_vaddr_t vaddr_min); vm_vaddr_t vm_vaddr_alloc_pages(struct kvm_vm *vm, int nr_pages); vm_vaddr_t vm_vaddr_alloc_page(struct kvm_vm *vm); diff --git a/tools/testing/selftests/kvm/lib/kvm_util.c b/tools/testing/selftests/kvm/lib/kvm_util.c index aa42eeabdec9..b975a1bb4c72 100644 --- a/tools/testing/selftests/kvm/lib/kvm_util.c +++ b/tools/testing/selftests/kvm/lib/kvm_util.c @@ -1094,8 +1094,8 @@ struct kvm_vcpu *__vm_vcpu_add(struct kvm_vm *vm, uint32_t vcpu_id) * TEST_ASSERT failure occurs for invalid input or no area of at least * sz unallocated bytes >= vaddr_min is available. */ -static vm_vaddr_t vm_vaddr_unused_gap(struct kvm_vm *vm, size_t sz, - vm_vaddr_t vaddr_min) +vm_vaddr_t vm_vaddr_unused_gap(struct kvm_vm *vm, size_t sz, + vm_vaddr_t vaddr_min) { uint64_t pages = (sz + vm->page_size - 1) >> vm->page_shift;