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Subject: [PATCH v3 03/10] x86/resctrl: Add a new resource type
 RDT_RESOURCE_SMBA
From:   Babu Moger <babu.moger@amd.com>
To:     <fenghua.yu@intel.com>, <reinette.chatre@intel.com>,
        <tglx@linutronix.de>, <mingo@redhat.com>, <bp@alien8.de>
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        <x86@kernel.org>, <hpa@zytor.com>, <corbet@lwn.net>,
        <hpa@zytor.com>, <linux-kernel@vger.kernel.org>,
        <linux-doc@vger.kernel.org>, <bagasdotme@gmail.com>
Date:   Mon, 22 Aug 2022 08:43:02 -0500
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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 <babu.moger@amd.com>=0A=
Reviewed-by: Ingo Molnar <mingo@kernel.org>=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 a5c51a14fbce..6c38427b71a2 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 "SB",=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=