From nobody Tue Feb 10 03:40:29 2026 Delivered-To: importer@patchew.org Received-SPF: pass (zohomail.com: domain of lists.xenproject.org designates 192.237.175.120 as permitted sender) client-ip=192.237.175.120; envelope-from=xen-devel-bounces@lists.xenproject.org; helo=lists.xenproject.org; Authentication-Results: mx.zohomail.com; spf=pass (zohomail.com: domain of lists.xenproject.org designates 192.237.175.120 as permitted sender) smtp.mailfrom=xen-devel-bounces@lists.xenproject.org; dmarc=fail(p=none dis=none) header.from=arm.com Return-Path: Received: from lists.xenproject.org (lists.xenproject.org [192.237.175.120]) by mx.zohomail.com with SMTPS id 1658296027051987.5347936018303; Tue, 19 Jul 2022 22:47:07 -0700 (PDT) Received: from list by lists.xenproject.org with outflank-mailman.371337.603223 (Exim 4.92) (envelope-from ) id 1oE2Xo-0007pI-4O; Wed, 20 Jul 2022 05:46:48 +0000 Received: by outflank-mailman (output) from mailman id 371337.603223; Wed, 20 Jul 2022 05:46:48 +0000 Received: from localhost ([127.0.0.1] helo=lists.xenproject.org) by lists.xenproject.org with esmtp (Exim 4.92) (envelope-from ) id 1oE2Xn-0007p5-Vw; Wed, 20 Jul 2022 05:46:47 +0000 Received: by outflank-mailman (input) for mailman id 371337; Wed, 20 Jul 2022 05:46:47 +0000 Received: from se1-gles-flk1-in.inumbo.com ([94.247.172.50] helo=se1-gles-flk1.inumbo.com) by lists.xenproject.org with esmtp (Exim 4.92) (envelope-from ) id 1oE2Xm-0006VQ-UN for xen-devel@lists.xenproject.org; Wed, 20 Jul 2022 05:46:47 +0000 Received: from foss.arm.com (foss.arm.com [217.140.110.172]) by se1-gles-flk1.inumbo.com (Halon) with ESMTP id 57074302-07ef-11ed-924f-1f966e50362f; Wed, 20 Jul 2022 07:46:46 +0200 (CEST) Received: from usa-sjc-imap-foss1.foss.arm.com (unknown [10.121.207.14]) by usa-sjc-mx-foss1.foss.arm.com (Postfix) with ESMTP id C0A5D1042; Tue, 19 Jul 2022 22:46:45 -0700 (PDT) Received: from a011292.shanghai.arm.com (a011292.shanghai.arm.com [10.169.190.94]) by usa-sjc-imap-foss1.foss.arm.com (Postfix) with ESMTPA id 626333F70D; Tue, 19 Jul 2022 22:46:41 -0700 (PDT) X-Outflank-Mailman: Message body and most headers restored to incoming version X-BeenThere: xen-devel@lists.xenproject.org List-Id: Xen developer discussion List-Unsubscribe: , List-Post: List-Help: List-Subscribe: , Errors-To: xen-devel-bounces@lists.xenproject.org Precedence: list Sender: "Xen-devel" X-Inumbo-ID: 57074302-07ef-11ed-924f-1f966e50362f From: Penny Zheng To: xen-devel@lists.xenproject.org Cc: wei.chen@arm.com, Penny Zheng , Stefano Stabellini , Julien Grall , Bertrand Marquis , Volodymyr Babchuk , Andrew Cooper , George Dunlap , Jan Beulich , Wei Liu , Penny Zheng , Julien Grall Subject: [PATCH v9 4/8] xen: add field "flags" to cover all internal CDF_XXX Date: Wed, 20 Jul 2022 13:46:07 +0800 Message-Id: <20220720054611.2695787-5-Penny.Zheng@arm.com> X-Mailer: git-send-email 2.25.1 In-Reply-To: <20220720054611.2695787-1-Penny.Zheng@arm.com> References: <20220720054611.2695787-1-Penny.Zheng@arm.com> MIME-Version: 1.0 Content-Transfer-Encoding: quoted-printable X-ZM-MESSAGEID: 1658296028683100001 Content-Type: text/plain; charset="utf-8" With more and more CDF_xxx internal flags in and to save the space, this commit introduces a new field "flags" in struct domain to store CDF_* internal flags directly. Another new CDF_xxx will be introduced in the next patch. Signed-off-by: Penny Zheng Acked-by: Julien Grall --- v9 changes: - no change --- v8 changes: - no change --- v7 changes: - no change --- v6 changes: - no change --- v5 changes: - no change --- v4 changes: - no change --- v3 changes: - change fixed width type uint32_t to unsigned int - change "flags" to a more descriptive name "cdf" --- v2 changes: - let "flags" live in the struct domain. So other arch can take advantage of it in the future - fix coding style --- xen/arch/arm/domain.c | 2 -- xen/arch/arm/include/asm/domain.h | 3 +-- xen/common/domain.c | 3 +++ xen/include/xen/sched.h | 3 +++ 4 files changed, 7 insertions(+), 4 deletions(-) diff --git a/xen/arch/arm/domain.c b/xen/arch/arm/domain.c index 2f8eaab7b5..4722988ee7 100644 --- a/xen/arch/arm/domain.c +++ b/xen/arch/arm/domain.c @@ -709,8 +709,6 @@ int arch_domain_create(struct domain *d, ioreq_domain_init(d); #endif =20 - d->arch.directmap =3D flags & CDF_directmap; - /* p2m_init relies on some value initialized by the IOMMU subsystem */ if ( (rc =3D iommu_domain_init(d, config->iommu_opts)) !=3D 0 ) goto fail; diff --git a/xen/arch/arm/include/asm/domain.h b/xen/arch/arm/include/asm/d= omain.h index cd9ce19b4b..26a8348eed 100644 --- a/xen/arch/arm/include/asm/domain.h +++ b/xen/arch/arm/include/asm/domain.h @@ -29,7 +29,7 @@ enum domain_type { #define is_64bit_domain(d) (0) #endif =20 -#define is_domain_direct_mapped(d) (d)->arch.directmap +#define is_domain_direct_mapped(d) ((d)->cdf & CDF_directmap) =20 /* * Is the domain using the host memory layout? @@ -104,7 +104,6 @@ struct arch_domain void *tee; #endif =20 - bool directmap; } __cacheline_aligned; =20 struct arch_vcpu diff --git a/xen/common/domain.c b/xen/common/domain.c index 618410e3b2..7062393e37 100644 --- a/xen/common/domain.c +++ b/xen/common/domain.c @@ -567,6 +567,9 @@ struct domain *domain_create(domid_t domid, /* Sort out our idea of is_system_domain(). */ d->domain_id =3D domid; =20 + /* Holding CDF_* internal flags. */ + d->cdf =3D flags; + /* Debug sanity. */ ASSERT(is_system_domain(d) ? config =3D=3D NULL : config !=3D NULL); =20 diff --git a/xen/include/xen/sched.h b/xen/include/xen/sched.h index b9515eb497..98e8001c89 100644 --- a/xen/include/xen/sched.h +++ b/xen/include/xen/sched.h @@ -596,6 +596,9 @@ struct domain struct ioreq_server *server[MAX_NR_IOREQ_SERVERS]; } ioreq_server; #endif + + /* Holding CDF_* constant. Internal flags for domain creation. */ + unsigned int cdf; }; =20 static inline struct page_list_head *page_to_list( --=20 2.25.1