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helo=lists.xenproject.org; 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=SATLEXMB03.amd.com; pr=C From: Ayan Kumar Halder To: CC: , , , , , , , , "Ayan Kumar Halder" Subject: [XEN v4 02/11] xen/Arm: GICv3: Do not calculate affinity level 3 for AArch32 Date: Mon, 28 Nov 2022 15:56:40 +0000 Message-ID: <20221128155649.31386-3-ayan.kumar.halder@amd.com> X-Mailer: git-send-email 2.17.1 In-Reply-To: <20221128155649.31386-1-ayan.kumar.halder@amd.com> References: <20221128155649.31386-1-ayan.kumar.halder@amd.com> MIME-Version: 1.0 X-EOPAttributedMessage: 0 X-MS-PublicTrafficType: Email X-MS-TrafficTypeDiagnostic: BN8NAM11FT052:EE_|DM4PR12MB6565:EE_ X-MS-Office365-Filtering-Correlation-Id: 99eb87ab-513e-416c-6058-08dad1593a04 X-MS-Exchange-SenderADCheck: 1 X-MS-Exchange-AntiSpam-Relay: 0 X-Microsoft-Antispam: BCL:0; X-Microsoft-Antispam-Message-Info: nv45T+TL7UM60CxgCltUE+Vr17EVjxkwEpe8EPSvbBK3kEggQzUZ0USDTeDd+zOdGt8aRqJbhxQtUVQzMfQuUITKlGKlpizDP69tWndz7tD6Bs+1PR96aarp+FcE8lwPUts7n0ht7CP+tPrq16/syYA4RjjVqqGWNexyPAF76vrxnxtYwfTW1J8GFrNSchEMxyNizPN7olKyUBQSjUUf0HnF5Op11n2a3PIq8gwlub4Oyun24AzsFmfHDLp6moXvD5hvbPWmLOmm1gulUQN+uYI3UAN82Cdc91F5E5w4TuvUIYBpdlnFsSXbZZD7o9fLVV9ofFabsiHx2oP0Sqit1+oJOHfV49XGudgpe+cxwwrZXJ/dj7S6VKTNACfPKRg39QotKX1f038LUNtYuSU2hSEom95e/6fFWI4AhA+9sBq77MDdFX3rVS3D9mFTfnKeGgiMHs1qeNCt4rv75wNDL9TJRxCgIWBZAXKqWCYh1ZgpSIwa6n85Ju1I0Ivk3q1uC9tTxXOweIA9FU9dAq5jlyJPSg7iRu1SpsDr17tV9JpY7owBxbftDZf6+bAlWyi11rcZa1G48pbZ0sgfJjMiMkpspFUcoqLULAzawuydOCp9s/9GQb0BtBFhjL0GJ0F8ncL5F5vUnRLUrZfwC74CbrpsnAeUa8WhB3DFXBJIChdcDEHiCxFQu/yMMZNLvAD6Ge542GZdIvPiueFACmvG+U4UOUkkVaTSj4QU4IN7cls= X-Forefront-Antispam-Report: CIP:165.204.84.17;CTRY:US;LANG:en;SCL:1;SRV:;IPV:CAL;SFV:NSPM;H:SATLEXMB03.amd.com;PTR:InfoDomainNonexistent;CAT:NONE;SFS:(13230022)(4636009)(396003)(376002)(39860400002)(346002)(136003)(451199015)(36840700001)(46966006)(40470700004)(83380400001)(478600001)(86362001)(36860700001)(6666004)(316002)(26005)(103116003)(54906003)(8936002)(6916009)(40460700003)(336012)(41300700001)(2616005)(426003)(47076005)(5660300002)(40480700001)(356005)(81166007)(2906002)(82740400003)(8676002)(4326008)(36756003)(70586007)(1076003)(186003)(70206006)(82310400005)(36900700001);DIR:OUT;SFP:1101; X-OriginatorOrg: amd.com X-MS-Exchange-CrossTenant-OriginalArrivalTime: 28 Nov 2022 15:57:18.1537 (UTC) X-MS-Exchange-CrossTenant-Network-Message-Id: 99eb87ab-513e-416c-6058-08dad1593a04 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=[SATLEXMB03.amd.com] X-MS-Exchange-CrossTenant-AuthSource: BN8NAM11FT052.eop-nam11.prod.protection.outlook.com X-MS-Exchange-CrossTenant-AuthAs: Anonymous X-MS-Exchange-CrossTenant-FromEntityHeader: HybridOnPrem X-MS-Exchange-Transport-CrossTenantHeadersStamped: DM4PR12MB6565 X-ZohoMail-DKIM: pass (identity @amd.com) X-ZM-MESSAGEID: 1669651063994100001 Content-Transfer-Encoding: quoted-printable Content-Type: text/plain; charset="utf-8" Refer ARM DDI 0487I.a ID081822, G8-9817, G8.2.169 Affinity level 3 is not present in AArch32. Also, refer ARM DDI 0406C.d ID040418, B4-1644, B4.1.106, Affinity level 3 is not present in Armv7 (ie arm32). Thus, any access to affinity level 3 needs to be guarded within "ifdef CONFIG_ARM_64". Signed-off-by: Ayan Kumar Halder Reviewed-by: Michal Orzel Acked-by: Julien Grall --- Changes from - v1 - NA (as it is a new patch) v2 - NA (as it is a new patch) v3 - Modified the title. Added Rb. xen/arch/arm/gic-v3.c | 15 ++++++++++++--- 1 file changed, 12 insertions(+), 3 deletions(-) diff --git a/xen/arch/arm/gic-v3.c b/xen/arch/arm/gic-v3.c index 018fa0dfa0..64a76307dd 100644 --- a/xen/arch/arm/gic-v3.c +++ b/xen/arch/arm/gic-v3.c @@ -527,7 +527,10 @@ static void gicv3_set_pending_state(struct irq_desc *i= rqd, bool pending) static inline uint64_t gicv3_mpidr_to_affinity(int cpu) { uint64_t mpidr =3D cpu_logical_map(cpu); - return (MPIDR_AFFINITY_LEVEL(mpidr, 3) << 32 | + return ( +#ifdef CONFIG_ARM_64 + MPIDR_AFFINITY_LEVEL(mpidr, 3) << 32 | +#endif MPIDR_AFFINITY_LEVEL(mpidr, 2) << 16 | MPIDR_AFFINITY_LEVEL(mpidr, 1) << 8 | MPIDR_AFFINITY_LEVEL(mpidr, 0)); @@ -720,7 +723,10 @@ static int __init gicv3_populate_rdist(void) * Convert affinity to a 32bit value that can be matched to GICR_TYPER * bits [63:32] */ - aff =3D (MPIDR_AFFINITY_LEVEL(mpidr, 3) << 24 | + aff =3D ( +#ifdef CONFIG_ARM_64 + MPIDR_AFFINITY_LEVEL(mpidr, 3) << 24 | +#endif MPIDR_AFFINITY_LEVEL(mpidr, 2) << 16 | MPIDR_AFFINITY_LEVEL(mpidr, 1) << 8 | MPIDR_AFFINITY_LEVEL(mpidr, 0)); @@ -972,7 +978,10 @@ static void gicv3_send_sgi_list(enum gic_sgi sgi, cons= t cpumask_t *cpumask) * Prepare affinity path of the cluster for which SGI is generated * along with SGI number */ - val =3D (MPIDR_AFFINITY_LEVEL(cluster_id, 3) << 48 | + val =3D ( +#ifdef CONFIG_ARM_64 + MPIDR_AFFINITY_LEVEL(cluster_id, 3) << 48 | +#endif MPIDR_AFFINITY_LEVEL(cluster_id, 2) << 32 | sgi << 24 | MPIDR_AFFINITY_LEVEL(cluster_id, 1) << 16 | --=20 2.17.1