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Mon, 14 Apr 2025 21:58:12 -0700 From: Nicolin Chen To: , , CC: , , , , , , , , , , , , , , Subject: [PATCH v2 04/11] iommu/arm-smmu-v3: Add an inline arm_smmu_tlb_inv_vmid helper Date: Mon, 14 Apr 2025 21:57:39 -0700 Message-ID: <95acc4e15f1bc6ee7f08635f5c68d7cea625acd2.1744692494.git.nicolinc@nvidia.com> X-Mailer: git-send-email 2.43.0 In-Reply-To: References: Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Transfer-Encoding: quoted-printable X-NV-OnPremToCloud: AnonymousSubmission X-EOPAttributedMessage: 0 X-MS-PublicTrafficType: Email X-MS-TrafficTypeDiagnostic: BL02EPF00029927:EE_|IA0PR12MB8748:EE_ X-MS-Office365-Filtering-Correlation-Id: 516ee6a9-8f8b-477a-e185-08dd7bda2957 X-MS-Exchange-SenderADCheck: 1 X-MS-Exchange-AntiSpam-Relay: 0 X-Microsoft-Antispam: BCL:0;ARA:13230040|376014|1800799024|7416014|36860700013|82310400026|3613699012; X-Microsoft-Antispam-Message-Info: =?us-ascii?Q?+VwbYETChGeoLtT6gRWUqwc6Femg7GVCNeFM3DPXQiw0icyAD76EDAaWCWbX?= =?us-ascii?Q?NaF0uAEhH/oqXO3YdZgeHSDJ5DX01mU7/p7WPG5Wl2hJ9lHaQ+GlGUdr3Nj8?= =?us-ascii?Q?STf7KisIL4jSGnvN3uWAYopv6W3Q6WYTbC66fJTDWOhq31U0pyCsUAnqXMiK?= =?us-ascii?Q?9iH/8KOvwUXeGp4u5qnhOD2JjPzg2zWAFSEMcx7RbQyGASrnnhMNsdasr8Ub?= =?us-ascii?Q?bPNG03AqlQu0L8ajj65+IOKLgXsooz3pc04h0WQZV8zCe993UTGoVDgdMcsP?= =?us-ascii?Q?ZxaogGISKEt/z0bMic5QZvwx+bv4xxIqCuYKOsV7tAuVeGQ1h6G3YGF/X+9d?= =?us-ascii?Q?j8UVHQ3S1G/d+5JCQu7X12vIcd2uPo8lRAORxtZ0MNyvEN386jLN5STADTfH?= =?us-ascii?Q?MQjubFZFXvKFNscd5vybQVZOWoWNBK9XVGS4qGZempvEve921Sh9UcjouiqJ?= =?us-ascii?Q?5cTHredtYiYTq7euk801g70RSuIjX+I2NhT12otqjPl4vav6hIkEIdZJg9lx?= =?us-ascii?Q?TRtqDK/2H8v6jy0MplpgaCpLqu6ZWBjaaGEwmeZjAYloH3lU+HQRIgJ2LSdh?= =?us-ascii?Q?t03XUAVD6yt6r0iwhKnqOlLMBFHp0Ele/al9RaeJ+jigq7XA4flqiWQXeYLA?= =?us-ascii?Q?YC5pvCsaKO4cNLAIf3/P0kpSLCLbbbS6/D3Z/RcgAGjG4G8dJ0qQBbkmPCPM?= =?us-ascii?Q?CEHAwd6Khf5F+quU5kzOvL2pm9VyhUWGOwmiYUwnD08VT0G+lmzD9NzHv8me?= =?us-ascii?Q?WLMN+Om85/y6geGc/l0RNYN6lS2Pj57tZz4BTefX02c5yewrIPqFb7oh4wqk?= =?us-ascii?Q?qyHuGrgRbwRAOnj2k9oVP4NYaUl5tpzZ0G4IR8VA1xx7nupKpy5zlPS1sL0e?= =?us-ascii?Q?NKwQhxcfLIsb4KhsfTnRgGmtvADICJqfaXk8tQkxFcEF8d3RtbX59q2A8GvR?= =?us-ascii?Q?3ZFzEKhzY1jCy3igxLkopIi1Xr72Wxr3n2BUbKmK2NHKiHHpKZEZdOaDfMRP?= =?us-ascii?Q?DW4yNsQ00ebEnmmnNDF+rbJymWaHxEy7VCFU9dhkDYf80D5YA/XF1/hwrxxl?= =?us-ascii?Q?nSLKrRKSKvQ2cIh+hxiib08z0fIhNG1xg9hKFwCz/ewQxuXS0iihXYukN0hD?= =?us-ascii?Q?R8L6MQ+fB2s2DXkjmvZqYR24qFcI3pZhYFsWQpZrSLGqMpqB04NltZqVtzq0?= =?us-ascii?Q?6o+uGcl2sCCVNimQNEahUj8rkFoAHZg8fJeOdSqiRk2H02M97P0ej/Qto1WJ?= =?us-ascii?Q?gxI7Ga1c4j/W2K0pA0dcnEVR+T+QoBfV8faqU6/M1c5S7LKdcnB1NN530nbP?= =?us-ascii?Q?vBYte1LvpYpZPPWEPvmSvky9wGKbn3Qf5p+6QZNxpyybmz0LnGNBRJWvfjGX?= =?us-ascii?Q?h9O/jVbwCh7+E6aKqjFgra53NJ2vK6AetoiTFps+1uFCJuA8IkhxE+S+O2CQ?= =?us-ascii?Q?+c+c4N35c2ZP+8BtikXIdEmtkg3Hm2hUB1ZVkgmhJPSeye2PvhHPVkZD+Ez8?= =?us-ascii?Q?fkHW2rjY8PVbz0JVtqYsDTYSjpBd3zGHH8z1s7+MZTG+M3mT2TcYzjri72PJ?= =?us-ascii?Q?eKPCkoMTcCv/y8C3NR4=3D?= X-Forefront-Antispam-Report: CIP:216.228.117.161;CTRY:US;LANG:en;SCL:1;SRV:;IPV:NLI;SFV:NSPM;H:mail.nvidia.com;PTR:dc6edge2.nvidia.com;CAT:NONE;SFS:(13230040)(376014)(1800799024)(7416014)(36860700013)(82310400026)(3613699012);DIR:OUT;SFP:1101; X-OriginatorOrg: Nvidia.com X-MS-Exchange-CrossTenant-OriginalArrivalTime: 15 Apr 2025 04:58:28.1159 (UTC) X-MS-Exchange-CrossTenant-Network-Message-Id: 516ee6a9-8f8b-477a-e185-08dd7bda2957 X-MS-Exchange-CrossTenant-Id: 43083d15-7273-40c1-b7db-39efd9ccc17a X-MS-Exchange-CrossTenant-OriginalAttributedTenantConnectingIp: TenantId=43083d15-7273-40c1-b7db-39efd9ccc17a;Ip=[216.228.117.161];Helo=[mail.nvidia.com] X-MS-Exchange-CrossTenant-AuthSource: BL02EPF00029927.namprd02.prod.outlook.com X-MS-Exchange-CrossTenant-AuthAs: Anonymous X-MS-Exchange-CrossTenant-FromEntityHeader: HybridOnPrem X-MS-Exchange-Transport-CrossTenantHeadersStamped: IA0PR12MB8748 Content-Type: text/plain; charset="utf-8" Both arm-smmu-v3 and arm-smmu-v3-iommufd will use this by passing in a vmid from s2_cfg/vsmmu. Signed-off-by: Nicolin Chen --- drivers/iommu/arm/arm-smmu-v3/arm-smmu-v3.h | 10 ++++++++++ drivers/iommu/arm/arm-smmu-v3/arm-smmu-v3.c | 10 +++------- 2 files changed, 13 insertions(+), 7 deletions(-) diff --git a/drivers/iommu/arm/arm-smmu-v3/arm-smmu-v3.h b/drivers/iommu/ar= m/arm-smmu-v3/arm-smmu-v3.h index 4f3f4a40a755..2f8928971716 100644 --- a/drivers/iommu/arm/arm-smmu-v3/arm-smmu-v3.h +++ b/drivers/iommu/arm/arm-smmu-v3/arm-smmu-v3.h @@ -1009,6 +1009,16 @@ void arm_smmu_cmdq_batch_add(struct arm_smmu_device = *smmu, int arm_smmu_cmdq_batch_submit(struct arm_smmu_device *smmu, struct arm_smmu_cmdq_batch *cmds); =20 +static inline void arm_smmu_tlb_inv_vmid(struct arm_smmu_device *smmu, u16= vmid) +{ + struct arm_smmu_cmdq_ent cmd =3D { + .opcode =3D CMDQ_OP_TLBI_S12_VMALL, + .tlbi.vmid =3D vmid, + }; + + arm_smmu_cmdq_issue_cmd_with_sync(smmu, &cmd); +} + #ifdef CONFIG_ARM_SMMU_V3_SVA bool arm_smmu_sva_supported(struct arm_smmu_device *smmu); bool arm_smmu_master_sva_supported(struct arm_smmu_master *master); diff --git a/drivers/iommu/arm/arm-smmu-v3/arm-smmu-v3.c b/drivers/iommu/ar= m/arm-smmu-v3/arm-smmu-v3.c index 8ad249f7dcbf..bafe7c7c2769 100644 --- a/drivers/iommu/arm/arm-smmu-v3/arm-smmu-v3.c +++ b/drivers/iommu/arm/arm-smmu-v3/arm-smmu-v3.c @@ -2247,7 +2247,6 @@ static void arm_smmu_tlb_inv_context(void *cookie) { struct arm_smmu_domain *smmu_domain =3D cookie; struct arm_smmu_device *smmu =3D smmu_domain->smmu; - struct arm_smmu_cmdq_ent cmd; =20 /* * NOTE: when io-pgtable is in non-strict mode, we may get here with @@ -2256,13 +2255,10 @@ static void arm_smmu_tlb_inv_context(void *cookie) * insertion to guarantee those are observed before the TLBI. Do be * careful, 007. */ - if (smmu_domain->stage =3D=3D ARM_SMMU_DOMAIN_S1) { + if (smmu_domain->stage =3D=3D ARM_SMMU_DOMAIN_S1) arm_smmu_tlb_inv_asid(smmu, smmu_domain->cd.asid); - } else { - cmd.opcode =3D CMDQ_OP_TLBI_S12_VMALL; - cmd.tlbi.vmid =3D smmu_domain->s2_cfg.vmid; - arm_smmu_cmdq_issue_cmd_with_sync(smmu, &cmd); - } + else + arm_smmu_tlb_inv_vmid(smmu, smmu_domain->s2_cfg.vmid); arm_smmu_atc_inv_domain(smmu_domain, 0, 0); } =20 --=20 2.43.0