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Received-SPF: Pass (protection.outlook.com: domain of amd.com designates 165.204.84.17 as permitted sender) receiver=protection.outlook.com; client-ip=165.204.84.17; helo=SATLEXMB04.amd.com; pr=C Received: from SATLEXMB04.amd.com (165.204.84.17) by BN8NAM11FT049.mail.protection.outlook.com (10.13.177.157) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_128_GCM_SHA256) id 15.20.5612.13 via Frontend Transport; Wed, 7 Sep 2022 18:00:29 +0000 Received: from [127.0.1.1] (10.180.168.240) by SATLEXMB04.amd.com (10.181.40.145) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_128_GCM_SHA256) id 15.1.2375.28; Wed, 7 Sep 2022 13:00:28 -0500 Subject: [PATCH v4 04/13] x86/resctrl: Add a new resource type RDT_RESOURCE_SMBA From: Babu Moger To: , , , , CC: , , , , , , , , , , , , , , , , , , , , , , , , Date: Wed, 7 Sep 2022 13:00:27 -0500 Message-ID: <166257362752.1043018.4708265660824485482.stgit@bmoger-ubuntu> In-Reply-To: <166257348081.1043018.11227924488792315932.stgit@bmoger-ubuntu> References: <166257348081.1043018.11227924488792315932.stgit@bmoger-ubuntu> User-Agent: StGit/1.1.dev103+g5369f4c MIME-Version: 1.0 Content-Type: text/plain; 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X-OriginatorOrg: amd.com X-MS-Exchange-CrossTenant-OriginalArrivalTime: 07 Sep 2022 18:00:29.6121 (UTC) X-MS-Exchange-CrossTenant-Network-Message-Id: 6e16b257-11a1-44c1-4f58-08da90fad9ce X-MS-Exchange-CrossTenant-Id: 3dd8961f-e488-4e60-8e11-a82d994e183d X-MS-Exchange-CrossTenant-OriginalAttributedTenantConnectingIp: TenantId=3dd8961f-e488-4e60-8e11-a82d994e183d;Ip=[165.204.84.17];Helo=[SATLEXMB04.amd.com] X-MS-Exchange-CrossTenant-AuthSource: BN8NAM11FT049.eop-nam11.prod.protection.outlook.com X-MS-Exchange-CrossTenant-AuthAs: Anonymous X-MS-Exchange-CrossTenant-FromEntityHeader: HybridOnPrem X-MS-Exchange-Transport-CrossTenantHeadersStamped: CH2PR12MB4938 Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Adds a new resource type RDT_RESOURCE_SMBA to handle the QoS=0A= enforcement policies on the external slow memory.=0A= =0A= Signed-off-by: Babu Moger =0A= ---=0A= arch/x86/kernel/cpu/resctrl/core.c | 12 ++++++++++++=0A= arch/x86/kernel/cpu/resctrl/internal.h | 1 +=0A= 2 files changed, 13 insertions(+)=0A= =0A= diff --git a/arch/x86/kernel/cpu/resctrl/core.c b/arch/x86/kernel/cpu/resct= rl/core.c=0A= index c2657754672e..a7e9aabff8c8 100644=0A= --- a/arch/x86/kernel/cpu/resctrl/core.c=0A= +++ b/arch/x86/kernel/cpu/resctrl/core.c=0A= @@ -100,6 +100,18 @@ struct rdt_hw_resource rdt_resources_all[] =3D {=0A= .fflags =3D RFTYPE_RES_MB,=0A= },=0A= },=0A= + [RDT_RESOURCE_SMBA] =3D=0A= + {=0A= + .r_resctrl =3D {=0A= + .rid =3D RDT_RESOURCE_SMBA,=0A= + .name =3D "SMBA",=0A= + .cache_level =3D 3,=0A= + .domains =3D domain_init(RDT_RESOURCE_SMBA),=0A= + .parse_ctrlval =3D parse_bw,=0A= + .format_str =3D "%d=3D%*u",=0A= + .fflags =3D RFTYPE_RES_MB,=0A= + },=0A= + },=0A= };=0A= =0A= /*=0A= diff --git a/arch/x86/kernel/cpu/resctrl/internal.h b/arch/x86/kernel/cpu/r= esctrl/internal.h=0A= index 1d647188a43b..24a1dfeb6cb2 100644=0A= --- a/arch/x86/kernel/cpu/resctrl/internal.h=0A= +++ b/arch/x86/kernel/cpu/resctrl/internal.h=0A= @@ -418,6 +418,7 @@ enum resctrl_res_level {=0A= RDT_RESOURCE_L3,=0A= RDT_RESOURCE_L2,=0A= RDT_RESOURCE_MBA,=0A= + RDT_RESOURCE_SMBA,=0A= =0A= /* Must be the last */=0A= RDT_NUM_RESOURCES,=0A= =0A=