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helo=nebula.arm.com; From: Penny Zheng To: CC: , Penny Zheng , Stefano Stabellini , Julien Grall , Bertrand Marquis , Volodymyr Babchuk , Andrew Cooper , George Dunlap , Jan Beulich , Wei Liu , Penny Zheng Subject: [PATCH v2 3/6] xen: add field "flags" to cover all internal CDF_XXX Date: Mon, 18 Apr 2022 20:22:48 +0800 Message-ID: <20220418122251.3583049-4-Penny.Zheng@arm.com> X-Mailer: git-send-email 2.25.1 In-Reply-To: <20220418122251.3583049-1-Penny.Zheng@arm.com> References: <20220418122251.3583049-1-Penny.Zheng@arm.com> MIME-Version: 1.0 X-EOPAttributedMessage: 1 X-MS-Office365-Filtering-Correlation-Id: a5dcc233-7aa2-4a92-4021-08da21364697 X-MS-TrafficTypeDiagnostic: HE1PR08MB2892:EE_|AM5EUR03FT043:EE_|AM0PR08MB4019:EE_ X-Microsoft-Antispam-PRVS: x-checkrecipientrouted: true NoDisclaimer: true X-MS-Exchange-SenderADCheck: 1 X-MS-Exchange-AntiSpam-Relay: 0 X-Microsoft-Antispam-Untrusted: BCL:0; X-Microsoft-Antispam-Message-Info-Original: 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 X-Forefront-Antispam-Report-Untrusted: CIP:40.67.248.234;CTRY:IE;LANG:en;SCL:1;SRV:;IPV:NLI;SFV:NSPM;H:nebula.arm.com;PTR:InfoDomainNonexistent;CAT:NONE;SFS:(13230001)(4636009)(46966006)(36840700001)(40470700004)(356005)(1076003)(26005)(5660300002)(4326008)(36756003)(36860700001)(70206006)(83380400001)(81166007)(82310400005)(8676002)(70586007)(8936002)(54906003)(6916009)(2906002)(316002)(186003)(2616005)(40460700003)(7696005)(86362001)(6666004)(508600001)(336012)(426003)(47076005)(21314003)(36900700001);DIR:OUT;SFP:1101; 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X-OriginatorOrg: arm.com X-MS-Exchange-CrossTenant-OriginalArrivalTime: 18 Apr 2022 12:23:42.1989 (UTC) X-MS-Exchange-CrossTenant-Network-Message-Id: a5dcc233-7aa2-4a92-4021-08da21364697 X-MS-Exchange-CrossTenant-Id: f34e5979-57d9-4aaa-ad4d-b122a662184d X-MS-Exchange-CrossTenant-OriginalAttributedTenantConnectingIp: TenantId=f34e5979-57d9-4aaa-ad4d-b122a662184d;Ip=[63.35.35.123];Helo=[64aa7808-outbound-1.mta.getcheckrecipient.com] X-MS-Exchange-CrossTenant-AuthSource: AM5EUR03FT043.eop-EUR03.prod.protection.outlook.com X-MS-Exchange-CrossTenant-AuthAs: Anonymous X-MS-Exchange-CrossTenant-FromEntityHeader: HybridOnPrem X-MS-Exchange-Transport-CrossTenantHeadersStamped: AM0PR08MB4019 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 --- 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 8110c1df86..74189d9878 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 - d->arch.directmap = flags & CDF_directmap; - /* p2m_init relies on some value initialized by the IOMMU subsystem */ if ( (rc = iommu_domain_init(d, config->iommu_opts)) != 0 ) goto fail; diff --git a/xen/arch/arm/include/asm/domain.h b/xen/arch/arm/include/asm/domain.h index ed63c2b6f9..36ec00e62d 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 -#define is_domain_direct_mapped(d) (d)->arch.directmap +#define is_domain_direct_mapped(d) ((d)->flags & CDF_directmap) /* * Is the domain using the host memory layout? @@ -103,7 +103,6 @@ struct arch_domain void *tee; #endif - bool directmap; } __cacheline_aligned; struct arch_vcpu diff --git a/xen/common/domain.c b/xen/common/domain.c index 351029f8b2..859cc13d3b 100644 --- a/xen/common/domain.c +++ b/xen/common/domain.c @@ -568,6 +568,9 @@ struct domain *domain_create(domid_t domid, /* Sort out our idea of is_system_domain(). */ d->domain_id = domid; + /* Holding CDF_* internal flags. */ + d->flags = flags; + /* Debug sanity. */ ASSERT(is_system_domain(d) ? config == NULL : config != NULL); diff --git a/xen/include/xen/sched.h b/xen/include/xen/sched.h index ed8539f6d2..68eb08058e 100644 --- a/xen/include/xen/sched.h +++ b/xen/include/xen/sched.h @@ -591,6 +591,9 @@ struct domain struct ioreq_server *server[MAX_NR_IOREQ_SERVERS]; } ioreq_server; #endif + + /* Holding CDF_* constant. Internal flags for domain creation. */ + uint32_t flags; }; static inline struct page_list_head *page_to_list(