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Sampat" Subject: [PATCH kernel 1/2] crypto/ccp: Use PCI bridge defaults for IDE Date: Fri, 23 Jan 2026 16:30:56 +1100 Message-ID: <20260123053057.1350569-2-aik@amd.com> X-Mailer: git-send-email 2.52.0 In-Reply-To: <20260123053057.1350569-1-aik@amd.com> References: <20260123053057.1350569-1-aik@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: satlexmb08.amd.com (10.181.42.217) To satlexmb07.amd.com (10.181.42.216) X-EOPAttributedMessage: 0 X-MS-PublicTrafficType: Email X-MS-TrafficTypeDiagnostic: BL6PEPF00020E63:EE_|SA3PR12MB9107:EE_ X-MS-Office365-Filtering-Correlation-Id: 90cde54d-d5ed-4d37-59e6-08de5a40af14 X-MS-Exchange-SenderADCheck: 1 X-MS-Exchange-AntiSpam-Relay: 0 X-Microsoft-Antispam: BCL:0;ARA:13230040|36860700013|1800799024|376014|82310400026; X-Microsoft-Antispam-Message-Info: =?us-ascii?Q?mH+a0/lBjXJNy27XzKDvrVgRFGqGjKHxi8SqZjred8IqfSjbeFyDeQj2gE1Q?= =?us-ascii?Q?9HRfrPDwKVn0KoKIkuEbLR55Ttv4Qs/lOW9R4bg8BfT9LEJuJkTefOxLHm+b?= =?us-ascii?Q?uakqiVrwbRHACE6YykqudTZFFfrB8jKJQNxidt85geuLQm+MgL+efpywHoj7?= =?us-ascii?Q?74iekadzO3pF515thQBKR4yzlT+iiT66SpelRfJpvZJvPiDy/GZmj8v7HY3F?= =?us-ascii?Q?l1SbluP/SVJNQeYTAz499rPwk5Zu6uOF7Re3wF44AmwsCxi9ctLe+Vt1i+BD?= =?us-ascii?Q?PwuYryxfx7tMpsrY9o0P2BeSSscRVTPdxijkOmEsg90yRei0HeRv3F+5LCkA?= =?us-ascii?Q?3h2erlM4a0L1nlix8Mbl2cUXGVWoAnVCNmNPMM7AMQuGnYozDKnnvcuRJcSR?= =?us-ascii?Q?5Cpvqll22O1ffMLsoOFP1UU3R46U4vpLe8pJK1GeqoeFO7z3gxysJZKT1DHu?= =?us-ascii?Q?DKvfp6C3pyMjxiZiS6UkrpmrMoY0fVcKCBhH6SMkj3VSLumH69qPyRSa3JkW?= =?us-ascii?Q?/+9QE3D0pKRi5dYykIPRH5YS418T+7++zmxPyqaAwTOShPp3CI640Lsqz+H3?= =?us-ascii?Q?icen1ORmlJxrUkn26yzacGkF7+C/D1GJOQxjmuJHUEvnemBenmlcODfWFCCV?= =?us-ascii?Q?5Nd4omgj9VI1Y+hSnJWx6LflMRP0U5LjLNpMtivwEN8HtkivvsQ6UyRojKz+?= =?us-ascii?Q?4oUbGorVDdoTUVEbbUMKbTR27ksOPHcTmJLBTP5VqOtJ+xcz+UBEPRqfDDPS?= =?us-ascii?Q?bn8f84jz6UWOIZdnZtd9S3IpSyhfo5LIoBoLpGzFQ3mYm7K7FV6+OLs82n/a?= =?us-ascii?Q?0zAg3rEWQ2B4weoERhalSQSXJKo1k04ul1tyftP9FrsMzOSjEM+SkVQujj2J?= =?us-ascii?Q?Pc6eSA7ehPMwAF0xvcsrBucpQ9fu0zJL8tQOCthdHgWk7xNTwsvKcX9/kcKb?= =?us-ascii?Q?vpuD6daQ85RcJ/wZjGfp1N4EsGYlwgTgEQn/lgw0TI8Ulf23IRA/+6PrxMDi?= =?us-ascii?Q?ZnN+ZTGgh8G62b+WLwoC07e+Lg1vN2DwIHe4WZHrFA1gRC7MeBE+4qgQY/Y9?= =?us-ascii?Q?vmqJX4cszQreNXyS9pt+2TWhPRZzeQfPKZVdHNHl8s++6Tu9IZMsIo/RQEop?= =?us-ascii?Q?3NSlymMCnsImNB10mmFcqNxPIVPKPMc3/8E/imSjgIsRgsApU+gRrFxdGBuF?= =?us-ascii?Q?fG0qu5ee836kJy7Q9z34e0IpZSc5fB+cGJWv+kYhyF7e+V2+8BXkYZp9Zu6U?= =?us-ascii?Q?0Le4HVrj0ilCUCIeJn321nX7oHq73X/ZpBqoMy3kqidNNvMo8FYlIupzqmpo?= =?us-ascii?Q?MaCQ90jcgfMlQiXm4KcbtG8Bc/3dD9r8imZZ2gao0xA3T9kv+LVLLafrQIi2?= =?us-ascii?Q?T0K4An7EBoFTVF6wulxdTrYjBnNmEzfZaFTu+DUbE7HuUY3oS+bHCBP7Ioa6?= =?us-ascii?Q?nslCNWpMl6FOuOgTChPqzWgvfhdrp2qK9jxWEymdBkLGP3VIJkRbYqtRbYTr?= =?us-ascii?Q?2msJkqQyhiaopulJ9X+iblc5i9uT0VBFz5byMgiNNkXLJ5Ap2SHOrCX6G6Be?= =?us-ascii?Q?iWnPEQjT8VDQZFajgvb9u7xB+endnKcZtP3Mg0wrDqsnfwJs5ZjZiNDVoHRQ?= =?us-ascii?Q?ZOp6dMWxs3M/qiKm9+ONz2WUwc4p5BbmjLCKrrf55wcZc/F7Gha1jmSnW9La?= =?us-ascii?Q?9jJ+1A=3D=3D?= X-Forefront-Antispam-Report: CIP:165.204.84.17;CTRY:US;LANG:en;SCL:1;SRV:;IPV:NLI;SFV:NSPM;H:satlexmb07.amd.com;PTR:InfoDomainNonexistent;CAT:NONE;SFS:(13230040)(36860700013)(1800799024)(376014)(82310400026);DIR:OUT;SFP:1101; X-OriginatorOrg: amd.com X-MS-Exchange-CrossTenant-OriginalArrivalTime: 23 Jan 2026 05:31:39.4584 (UTC) X-MS-Exchange-CrossTenant-Network-Message-Id: 90cde54d-d5ed-4d37-59e6-08de5a40af14 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: BL6PEPF00020E63.namprd04.prod.outlook.com X-MS-Exchange-CrossTenant-AuthAs: Anonymous X-MS-Exchange-CrossTenant-FromEntityHeader: HybridOnPrem X-MS-Exchange-Transport-CrossTenantHeadersStamped: SA3PR12MB9107 Content-Type: text/plain; charset="utf-8" The current number of streams in AMD TSM is 1 which is too little, the core uses 255. Also, even if the module parameter is increased, calling pci_ide_set_nr_streams() second time triggers WARN_ON. Simplify the code by sticking to the PCI core defaults. Fixes: 4be423572da1 ("crypto/ccp: Implement SEV-TIO PCIe IDE (phase1)") Signed-off-by: Alexey Kardashevskiy Acked-by: Dan Williams Acked-by: Tom Lendacky --- drivers/crypto/ccp/sev-dev-tsm.c | 12 ------------ 1 file changed, 12 deletions(-) diff --git a/drivers/crypto/ccp/sev-dev-tsm.c b/drivers/crypto/ccp/sev-dev-= tsm.c index ea29cd5d0ff9..7407b77c2ef2 100644 --- a/drivers/crypto/ccp/sev-dev-tsm.c +++ b/drivers/crypto/ccp/sev-dev-tsm.c @@ -19,12 +19,6 @@ =20 MODULE_IMPORT_NS("PCI_IDE"); =20 -#define TIO_DEFAULT_NR_IDE_STREAMS 1 - -static uint nr_ide_streams =3D TIO_DEFAULT_NR_IDE_STREAMS; -module_param_named(ide_nr, nr_ide_streams, uint, 0644); -MODULE_PARM_DESC(ide_nr, "Set the maximum number of IDE streams per PHB"); - #define dev_to_sp(dev) ((struct sp_device *)dev_get_drvdata(dev)) #define dev_to_psp(dev) ((struct psp_device *)(dev_to_sp(dev)->psp_data)) #define dev_to_sev(dev) ((struct sev_device *)(dev_to_psp(dev)->sev_data)) @@ -193,7 +187,6 @@ static void streams_teardown(struct pci_ide **ide) static int stream_alloc(struct pci_dev *pdev, struct pci_ide **ide, unsigned int tc) { - struct pci_dev *rp =3D pcie_find_root_port(pdev); 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Sampat" Subject: [PATCH kernel 2/2] crypto/ccp: Allow multiple streams on the same root bridge Date: Fri, 23 Jan 2026 16:30:57 +1100 Message-ID: <20260123053057.1350569-3-aik@amd.com> X-Mailer: git-send-email 2.52.0 In-Reply-To: <20260123053057.1350569-1-aik@amd.com> References: <20260123053057.1350569-1-aik@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: satlexmb08.amd.com (10.181.42.217) To satlexmb07.amd.com (10.181.42.216) X-EOPAttributedMessage: 0 X-MS-PublicTrafficType: Email X-MS-TrafficTypeDiagnostic: BL6PEPF00020E65:EE_|DS0PR12MB8293:EE_ X-MS-Office365-Filtering-Correlation-Id: 0351c0be-c269-4b82-7c02-08de5a40bc40 X-MS-Exchange-SenderADCheck: 1 X-MS-Exchange-AntiSpam-Relay: 0 X-Microsoft-Antispam: BCL:0;ARA:13230040|376014|82310400026|36860700013|1800799024; X-Microsoft-Antispam-Message-Info: =?us-ascii?Q?PCtuuEo5CURBjAm8TE1ve8raDF6VF8NoYbgS00xqaPAJIBL01bhLuQ5nCE6D?= =?us-ascii?Q?cKyBBXVuJa2hKYe0ztXejzmjhe2UWtqG2WebfVGcfBq1gpyFaA6KIBAqtTv4?= =?us-ascii?Q?Zx1o5Gxw4y3TizwqSRSS9wGcG4fp2dBu5c5jv//uT8yNu92gU4MSp0OeDdDF?= =?us-ascii?Q?1nta3v/XdjzGkGYOQ64CktTsSm1aYHSvWq72FSpcYvcynK5l5wv0hxMIYt7j?= =?us-ascii?Q?SfGEOZ2u5bcmtUBcZAW/mh1qRm5PBpy2LcJjdHznP2aDduSbRdUVkn7QN1ms?= =?us-ascii?Q?7Y4uam6vuxkTje6wXlGqhyxJoEGIoiwY+iCQv0Ab90bZvwFuXTw/rY4FoSgC?= =?us-ascii?Q?J5ytU8fArUr4dxSO9aiJ2ip+PxJSZFz8YTpfGFGsxa1WB8ACkhrMawmCYq7B?= =?us-ascii?Q?B/JTrDMuMWafvglnv/aMLcUNclIXGF4hy/S+S227NK5xWfsOzAsdBfi9I+Hn?= =?us-ascii?Q?wdgSQ1TNOABSyQTsLVax/ben72nKflSqTAUbgIoikC+GryXAgdKHxSXKjyI7?= =?us-ascii?Q?kYyMtkG6HQ2elLzoFh4mDwfywElRlO1ttp5uqRJCL9i5vlJBt1ZE3v6u/UQ6?= =?us-ascii?Q?mAZskPZ9IOAaS0UyvU+RYVV5eyV8slL5ZjUrgr77WMt4fD9UDurZWnsyG+9f?= =?us-ascii?Q?1+5akw4C4A0FLl/J24qUY5gX/eI7h+g99na3xBWQ0tgHnAVmSlaA0kxTgZOB?= =?us-ascii?Q?jWla8zPxLn0/Uuqnws782AIUnKFUDLe5VFfPXz6PnIInQEd7pGJH3I3zTfaB?= =?us-ascii?Q?lSEMBCTDOJ0EuWjpHmEE6AJODpbssidyKJj1XIxnfrsAAFvJJ5rSMe3VVkbp?= =?us-ascii?Q?sVBb+11d79Z3oCiZUA1XLD1zAFMZUYljqlUue0JI4uKZTllz7GfpafhB7/Wj?= =?us-ascii?Q?Xo5KInAyWnwsC8ADjqrvNb6XvfiL0NK1i33vLFd4lH0q62D8H+aZQHV6PigG?= =?us-ascii?Q?RyVI3fjgzGU4mNzguyG1CPChrfEF7AZve14M2QScFHTkctS3suBq61+rX0rK?= =?us-ascii?Q?rod9/VyI0ReCHMeWk0uMRkS4izWICQLqu6dcZ01O0BynVlbbyc1QJmicfS/L?= =?us-ascii?Q?kkPxGMq0CcayB8JMqxavkkkcWPBmIVpBYDrMqAu4re/XRfP2AvOarLVg8OSX?= =?us-ascii?Q?o1oUJuBfUgAVZWqKxbewHXTNpWuPb9ZVs9qXxhJ3Md/7c/IHFwpTxekyAjbt?= =?us-ascii?Q?EqYZgpFqI7MQ1uHKGPhcyEIqm2GzfinefqSk7zeA7UoOWzsvDWsPC0Ldf+ep?= =?us-ascii?Q?97etIq8TT4GBxC/A2LvVnBL8Jg2PsM5YCb3nHsUCgp2bOvOg4GMosJGoh/ym?= =?us-ascii?Q?WNy74UmgA7gJ7OcIkEOiHzCKlGdSfBFLr0SKauMYBhf6nYN9iB9+h8o3W4Ye?= =?us-ascii?Q?AAW0/WIe2C2qlrcUNTR+7x561j8m75PTIvT6VRjw+IZjylaUgWdhMfVoPOZ/?= =?us-ascii?Q?v5rxPwy7Av1wLB9RhJlAle4vzUeS6TSKOnjHV3zH/0HUerc+ky5zllroi94+?= =?us-ascii?Q?Xvi4iESn7qhZqrzfrJIZYpMdSD6dTvjmb+t3edKIylIDQerz3V+FVQ9AXQpJ?= =?us-ascii?Q?arftACRHHoPEO19aMt98yh9uTqQnrZSXmcsOSnSJM3JQsY+q2cmpYOAtJtwv?= =?us-ascii?Q?6RqecW+sXI/R99k9zTOnt8v6JbLn1u9qkr1XzNBbMYfA+/i0pD2xSLbvuLOP?= =?us-ascii?Q?EGz2iA=3D=3D?= X-Forefront-Antispam-Report: CIP:165.204.84.17;CTRY:US;LANG:en;SCL:1;SRV:;IPV:NLI;SFV:NSPM;H:satlexmb07.amd.com;PTR:InfoDomainNonexistent;CAT:NONE;SFS:(13230040)(376014)(82310400026)(36860700013)(1800799024);DIR:OUT;SFP:1101; X-OriginatorOrg: amd.com X-MS-Exchange-CrossTenant-OriginalArrivalTime: 23 Jan 2026 05:32:01.5493 (UTC) X-MS-Exchange-CrossTenant-Network-Message-Id: 0351c0be-c269-4b82-7c02-08de5a40bc40 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: BL6PEPF00020E65.namprd04.prod.outlook.com X-MS-Exchange-CrossTenant-AuthAs: Anonymous X-MS-Exchange-CrossTenant-FromEntityHeader: HybridOnPrem X-MS-Exchange-Transport-CrossTenantHeadersStamped: DS0PR12MB8293 Content-Type: text/plain; charset="utf-8" IDE stream IDs are responsibility of a platform and in some cases TSM allocates the numbers. AMD SEV TIO though leaves it to the host OS. Mistakenly stream ID is hard coded to be the same as a traffic class. Use the host bridge stream index for a newly allocated stream ID. Fixes: 4be423572da1 ("crypto/ccp: Implement SEV-TIO PCIe IDE (phase1)") Signed-off-by: Alexey Kardashevskiy Acked-by: Alexey Kardashevskiy Acked-by: Tom Lendacky --- drivers/crypto/ccp/sev-dev-tsm.c | 3 +-- 1 file changed, 1 insertion(+), 2 deletions(-) diff --git a/drivers/crypto/ccp/sev-dev-tsm.c b/drivers/crypto/ccp/sev-dev-= tsm.c index 7407b77c2ef2..40d02adaf3f6 100644 --- a/drivers/crypto/ccp/sev-dev-tsm.c +++ b/drivers/crypto/ccp/sev-dev-tsm.c @@ -198,8 +198,7 @@ static int stream_alloc(struct pci_dev *pdev, struct pc= i_ide **ide, if (!ide1) return -EFAULT; =20 - /* Blindly assign streamid=3D0 to TC=3D0, and so on */ - ide1->stream_id =3D tc; + ide1->stream_id =3D ide1->host_bridge_stream; =20 ide[tc] =3D ide1; =20 --=20 2.52.0