From nobody Wed Dec 17 16:09:53 2025 Received: from BYAPR05CU005.outbound.protection.outlook.com (mail-westusazon11010027.outbound.protection.outlook.com [52.101.85.27]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id 4DAA734DCDF for ; Wed, 12 Nov 2025 18:28:30 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=fail smtp.client-ip=52.101.85.27 ARC-Seal: i=2; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1762972111; cv=fail; b=H/iQZEDO1wQCkVk8iA3gMGROn7dgzbuJ124U/4iiNORNeTW9rQ0zcQFC8UeMaHnMMHXzlvC9/gBtrpJMJmo+S2leZuEP7hXnFEhrsXQDUlmGnfiaifSymWHt1G9livks6VfP90NfyclEHAXTI+KwvHlQx4c5QImTniyYxWZsx0E= ARC-Message-Signature: i=2; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1762972111; c=relaxed/simple; bh=mwBary1A+rF2JCuZ/U3UUT3W04CjEQtDKK3EuuB4Aqc=; h=From:To:CC:Subject:Date:Message-ID:In-Reply-To:References: MIME-Version:Content-Type; b=NsayJ3RhCSx3KpN3S/7979ViQDsKePPQDefnOS7EQ+6x8Lmr98PlOcMVc2IREl+8NuskNHr/VyZb2yhBOWF4ft9zh9WjG2h13+WG/PNOxi0mvvOnF8aCMknmml406FPAPHfTCxS1x5ZzbhOogHf5yq82Og9NfZJGScWqwIEn+JI= ARC-Authentication-Results: i=2; smtp.subspace.kernel.org; dmarc=pass (p=quarantine dis=none) header.from=amd.com; spf=fail smtp.mailfrom=amd.com; dkim=pass (1024-bit key) header.d=amd.com header.i=@amd.com header.b=vclWMab5; arc=fail smtp.client-ip=52.101.85.27 Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=quarantine dis=none) header.from=amd.com Authentication-Results: smtp.subspace.kernel.org; spf=fail smtp.mailfrom=amd.com Authentication-Results: smtp.subspace.kernel.org; dkim=pass (1024-bit key) header.d=amd.com header.i=@amd.com header.b="vclWMab5" ARC-Seal: i=1; a=rsa-sha256; s=arcselector10001; d=microsoft.com; cv=none; b=k05basjnwxJIj5FEI6UE2lHAAscWRQvggEJCFRziwqYyHlH2lkyt+RCWJVV69Qj7+9WgRqZMEGu+pmF1wjEDcalEEPv4wZ4FRoyE9qiky10g+EkDhAdo3pAHpycs3jL8n5YBP4Dp0BWMytyYsmWxSTwoTxkkn2KXmtWqbkH05f8OHUW4bU7rLV/eDRYNMb0YjrsGatYg8Oild43yANmhR5IRBk1ejww0p/2n1QraEU8QPtOVI6hw5VcU9P+6CaqnJ0/Xkkd4xOEOyO0eliJd2M1vqaZA20EFfyw7JDtZ3SV3e3EtKkBZV22cf1U1SHiOjJJv398xXlhpd3F+ologqQ== ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=microsoft.com; s=arcselector10001; h=From:Date:Subject:Message-ID:Content-Type:MIME-Version:X-MS-Exchange-AntiSpam-MessageData-ChunkCount:X-MS-Exchange-AntiSpam-MessageData-0:X-MS-Exchange-AntiSpam-MessageData-1; bh=Omzki7ZLq6+yzrWQ3wbKUw/t4bPxsCLs0Qjfs4lvJ/A=; b=mKXUqgnuCiKLesZ2v5I/EMB33NIG2ToEItQFl2jo89jYnWJs8JK4wLPJU2GWToHGDdVaCfBp+rEZ3LTl7GWjv3GlX9PeZlbNs/OWfhUcOs1mdHxoyoVbC5UazCPHu8WWWllyC3iqabZpH2/bToJ7I49GRkdAcytkPY7B1R6rAhbUDP8VHZukVQoy3dtRXAXVOLlsn4ril6HfbGZnBqwiwllV52i5dYoHeoI1QR0GE1w3x4dzwta1jygtQOBv85QCxBDkP6xgq98rGl9GTXATemTgPK6N+bU65/q9Vy/0q1k9F2m0BrmWiwKBV1ezH7vdUecwJGgDZUgNhAjPnkUZ0g== ARC-Authentication-Results: i=1; mx.microsoft.com 1; spf=temperror (sender ip is 165.204.84.17) smtp.rcpttodomain=nvidia.com smtp.mailfrom=amd.com; dmarc=temperror action=none header.from=amd.com; dkim=none (message not signed); arc=none (0) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=amd.com; s=selector1; h=From:Date:Subject:Message-ID:Content-Type:MIME-Version:X-MS-Exchange-SenderADCheck; bh=Omzki7ZLq6+yzrWQ3wbKUw/t4bPxsCLs0Qjfs4lvJ/A=; b=vclWMab5DGieOC/pS9l68kg7PTfSxe+NakcSQWYchw/W8JzGRwG2Hh54ke8JfSgS6GmOwn4lWngWb34InOosqBOa86QttI63IeuOQpuzGXm2DKgJYW1DwcESoVCG2/+zTAnI6cRjxQDNiJCNjc18Eiprb/hK0PY+kJshRO3qf9g= Received: from MN2PR08CA0016.namprd08.prod.outlook.com (2603:10b6:208:239::21) by DS7PR12MB6021.namprd12.prod.outlook.com (2603:10b6:8:87::5) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id 15.20.9320.16; Wed, 12 Nov 2025 18:25:39 +0000 Received: from BL6PEPF0001AB59.namprd02.prod.outlook.com (2603:10b6:208:239:cafe::ec) by MN2PR08CA0016.outlook.office365.com (2603:10b6:208:239::21) with Microsoft SMTP Server (version=TLS1_3, cipher=TLS_AES_256_GCM_SHA384) id 15.20.9320.15 via Frontend Transport; Wed, 12 Nov 2025 18:25:38 +0000 X-MS-Exchange-Authentication-Results: spf=temperror (sender IP is 165.204.84.17) smtp.mailfrom=amd.com; dkim=none (message not signed) header.d=none;dmarc=temperror action=none header.from=amd.com; Received-SPF: TempError (protection.outlook.com: error in processing during lookup of amd.com: DNS Timeout) Received: from satlexmb07.amd.com (165.204.84.17) by BL6PEPF0001AB59.mail.protection.outlook.com (10.167.241.11) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id 15.20.9320.13 via Frontend Transport; Wed, 12 Nov 2025 18:25:38 +0000 Received: from purico-ed03host.amd.com (10.180.168.240) by satlexmb07.amd.com (10.181.42.216) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id 15.2.2562.17; Wed, 12 Nov 2025 10:25:33 -0800 From: Suravee Suthikulpanit To: , CC: , , , , , , , , , , , , , , , , , , Suravee Suthikulpanit Subject: [PATCH v5 02/14] iommu/amd: Make amd_iommu_pdom_id_alloc() non-static Date: Wed, 12 Nov 2025 18:24:54 +0000 Message-ID: <20251112182506.7165-3-suravee.suthikulpanit@amd.com> X-Mailer: git-send-email 2.34.1 In-Reply-To: <20251112182506.7165-1-suravee.suthikulpanit@amd.com> References: <20251112182506.7165-1-suravee.suthikulpanit@amd.com> 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-ClientProxiedBy: satlexmb07.amd.com (10.181.42.216) To satlexmb07.amd.com (10.181.42.216) X-EOPAttributedMessage: 0 X-MS-PublicTrafficType: Email X-MS-TrafficTypeDiagnostic: BL6PEPF0001AB59:EE_|DS7PR12MB6021:EE_ X-MS-Office365-Filtering-Correlation-Id: de1a5ce2-ca91-4f26-8fbe-08de2218e16e X-MS-Exchange-SenderADCheck: 1 X-MS-Exchange-AntiSpam-Relay: 0 X-Microsoft-Antispam: BCL:0;ARA:13230040|82310400026|376014|7416014|1800799024|36860700013|7053199007; X-Microsoft-Antispam-Message-Info: =?us-ascii?Q?e/wse+6Ez/mOUx8j5Mu73c0XYOwSgHb7fgaPo1mmAgvP7ZoyyVSvKxK87YSp?= =?us-ascii?Q?oc+1W98waowfaLg+TofEa1L4SAqDOpp6cq1oWx9+HKsuyt6jeoVHzHkRHWK2?= =?us-ascii?Q?UGL982bzm5ym3aGL6lV2C3CTGoGsgKEBiSDdWuppOM7NhtH4JqUSIrIc7BX7?= =?us-ascii?Q?EH1QBGn8mXexExdhVtWGYx4Fuir0GdwNmQpC1ilH/XEaNw46zyzuayhr6HtA?= =?us-ascii?Q?tUMgsVSGv7b99nN+c/dlzIDUR6Hesf37Tn/Q48EuCzysOOeLkcrYxUklazSx?= =?us-ascii?Q?2kfvcYqVgV0gc9M8AKTqOH3CignB24MHmrRbYQ/755xHNZiS7VWYOa2UAG5z?= =?us-ascii?Q?qHNcfGsdwthKN6M1tNxRvkxoqNy5JkA4ftdJYJUTjgcW5PxuIe/7q3Svo7v+?= =?us-ascii?Q?ZdyxGmo4x7b12twrE1ZtMX00tlkQ7J7Y0VTGSMB5lvWiipOjBO9sOtc9n7AA?= =?us-ascii?Q?TplNsI82PDYs/h0ughdVPxY4PUtbTK65CRq5BTEqHa9jvNvP6hUkv7m4QHlq?= =?us-ascii?Q?Q5mc8QkIM7RICrSnXJ6snlAT8JjF9XlqHGfW84qfkJQA3JKVMeD1hAtF52Mf?= =?us-ascii?Q?hCQmghhx0b+PygnLUuJ1pQogMYFhnAlUUo/W6IXeF/wahd+nW7D3SzZxueas?= =?us-ascii?Q?UoPxBIks90rFXQ4Edcds8u1VmCk4qRmOen+ivVnO1U4qSludoIidBCOtuxVf?= =?us-ascii?Q?b6IAN234f/wktf3/+ILZeNOv7MCp899hcygewyqKhEyfgv0qXgmSDNRFYZ5I?= =?us-ascii?Q?JDMYW4u/P28Gj5XbIpph7aco9MdmmSqkKVx24pDX4/B++znjlCnxVZ/4oQcY?= =?us-ascii?Q?6ibEgVpq3xCNb7E+VbX2QEMXlVIYsZyUkt4V0RC0W8EgSwhccDH6oIuP33AU?= =?us-ascii?Q?FFJQNZtmZbhpX2PYrazbrEtX3Uxm1yW/Uz9SscUm1ywCsPlcNrk3VhZ6pMdq?= =?us-ascii?Q?yIKvyOk/LmU0kYSKiaCRzxtgssesJUouPa/vQdzFDmhh+Z1uy84pPSkeaF1a?= =?us-ascii?Q?4QOrymF4MSdydGSJKGQk7FA9QhRgD6HJ6n5x5T5ck2xeANUfktxEAKiGDbWi?= =?us-ascii?Q?RogPHm+IipPKiKJYd7jAoW4S2aoN0DNInDh1DQnpfqLfK8RODxhZ+xAK+XDY?= =?us-ascii?Q?ay+7N2FzwKEzyARp6C1XQ9tvIg0W4UK1pgX3mLfhAbLMIjlzLU/xAo9B2Wxv?= =?us-ascii?Q?EKxuCu2SKjw+tT3geOQZBm0AzBVpgsqk+4zQpfnzEchd1tGitWvI6GTJmYGq?= =?us-ascii?Q?45rqmjmdsUgfNMgMUcTrfNrVSqTANzNlDaD6CgRTsJcWe7DxHTnxUVaojIM8?= =?us-ascii?Q?nFZyuRhQLqpjZzHTlEcnYVFODp+C76kw0K7KuSIbvq1ZTjqchFYabrRDLDzl?= =?us-ascii?Q?3ZgU5OEilYAN9/4xgQm/LOzqAKr836gi77An7rv6vspRxNE3g/XAMX4CNKNW?= =?us-ascii?Q?3OezoLHru0evje0FPVhlHAymQpLlIo3j+eE/GmOAcIKNa2SUDw5wFUyrrzsh?= =?us-ascii?Q?wz+VPCzvtPY6m51PmK1GQtBJ540EMUDo7FRo4C8Wi5Rm1JqY0ks2MTpppnID?= =?us-ascii?Q?2PhMUKAlnEp7zdzf4Kk=3D?= X-Forefront-Antispam-Report: CIP:165.204.84.17;CTRY:US;LANG:en;SCL:1;SRV:;IPV:CAL;SFV:NSPM;H:satlexmb07.amd.com;PTR:InfoDomainNonexistent;CAT:NONE;SFS:(13230040)(82310400026)(376014)(7416014)(1800799024)(36860700013)(7053199007);DIR:OUT;SFP:1101; X-OriginatorOrg: amd.com X-MS-Exchange-CrossTenant-OriginalArrivalTime: 12 Nov 2025 18:25:38.9437 (UTC) X-MS-Exchange-CrossTenant-Network-Message-Id: de1a5ce2-ca91-4f26-8fbe-08de2218e16e 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=[satlexmb07.amd.com] X-MS-Exchange-CrossTenant-AuthSource: BL6PEPF0001AB59.namprd02.prod.outlook.com X-MS-Exchange-CrossTenant-AuthAs: Anonymous X-MS-Exchange-CrossTenant-FromEntityHeader: HybridOnPrem X-MS-Exchange-Transport-CrossTenantHeadersStamped: DS7PR12MB6021 Content-Type: text/plain; charset="utf-8" This will be reused in a new nested.c file for nested translation. Reviewed-by: Jason Gunthorpe Reviewed-by: Nicolin Chen Reviewed-by: Vasant Hegde Signed-off-by: Suravee Suthikulpanit --- drivers/iommu/amd/amd_iommu.h | 1 + drivers/iommu/amd/iommu.c | 8 ++++---- 2 files changed, 5 insertions(+), 4 deletions(-) diff --git a/drivers/iommu/amd/amd_iommu.h b/drivers/iommu/amd/amd_iommu.h index 25044d28f28a..a9d724d43398 100644 --- a/drivers/iommu/amd/amd_iommu.h +++ b/drivers/iommu/amd/amd_iommu.h @@ -26,6 +26,7 @@ void amd_iommu_set_rlookup_table(struct amd_iommu *iommu,= u16 devid); void iommu_feature_enable(struct amd_iommu *iommu, u8 bit); void *__init iommu_alloc_4k_pages(struct amd_iommu *iommu, gfp_t gfp, size_t size); +int amd_iommu_pdom_id_alloc(void); =20 #ifdef CONFIG_AMD_IOMMU_DEBUGFS void amd_iommu_debugfs_setup(void); diff --git a/drivers/iommu/amd/iommu.c b/drivers/iommu/amd/iommu.c index 02cbe82ffcf1..b42738e9d8ab 100644 --- a/drivers/iommu/amd/iommu.c +++ b/drivers/iommu/amd/iommu.c @@ -1787,7 +1787,7 @@ int amd_iommu_complete_ppr(struct device *dev, u32 pa= sid, int status, int tag) * *************************************************************************= ***/ =20 -static int pdom_id_alloc(void) +int amd_iommu_pdom_id_alloc(void) { return ida_alloc_range(&pdom_ids, 1, MAX_DOMAIN_ID - 1, GFP_ATOMIC); } @@ -1875,7 +1875,7 @@ static int setup_gcr3_table(struct gcr3_tbl_info *gcr= 3_info, return -EBUSY; =20 /* Allocate per device domain ID */ - domid =3D pdom_id_alloc(); + domid =3D amd_iommu_pdom_id_alloc(); if (domid <=3D 0) return -ENOSPC; gcr3_info->domid =3D domid; @@ -2478,7 +2478,7 @@ struct protection_domain *protection_domain_alloc(voi= d) if (!domain) return NULL; =20 - domid =3D pdom_id_alloc(); + domid =3D amd_iommu_pdom_id_alloc(); if (domid <=3D 0) { kfree(domain); return NULL; @@ -2825,7 +2825,7 @@ void amd_iommu_init_identity_domain(void) domain->ops =3D &identity_domain_ops; domain->owner =3D &amd_iommu_ops; =20 - identity_domain.id =3D pdom_id_alloc(); + identity_domain.id =3D amd_iommu_pdom_id_alloc(); =20 protection_domain_init(&identity_domain); } --=20 2.34.1