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X-OriginatorOrg: amd.com X-MS-Exchange-CrossTenant-OriginalArrivalTime: 01 Feb 2024 06:03:37.8071 (UTC) X-MS-Exchange-CrossTenant-Network-Message-Id: 3837c16e-da6f-423a-db98-08dc22eb884c 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=[SATLEXMB04.amd.com] X-MS-Exchange-CrossTenant-AuthSource: CY4PEPF0000EE3D.namprd03.prod.outlook.com X-MS-Exchange-CrossTenant-AuthAs: Anonymous X-MS-Exchange-CrossTenant-FromEntityHeader: HybridOnPrem X-MS-Exchange-Transport-CrossTenantHeadersStamped: MW6PR12MB8705 Content-Type: text/plain; charset="utf-8" Already public pci_doe() takes a protocol type argument. PCIe 6.0 defines three, define them in a header for use with pci_doe(). Signed-off-by: Alexey Kardashevskiy --- include/linux/pci-doe.h | 4 ++++ drivers/pci/doe.c | 2 -- 2 files changed, 4 insertions(+), 2 deletions(-) diff --git a/include/linux/pci-doe.h b/include/linux/pci-doe.h index 1f14aed4354b..5c33f7dc978b 100644 --- a/include/linux/pci-doe.h +++ b/include/linux/pci-doe.h @@ -13,6 +13,10 @@ #ifndef LINUX_PCI_DOE_H #define LINUX_PCI_DOE_H =20 +#define PCI_DOE_PROTOCOL_DISCOVERY 0 +#define PCI_DOE_PROTOCOL_CMA_SPDM 1 +#define PCI_DOE_PROTOCOL_SECURED_CMA_SPDM 2 + struct pci_doe_mb; =20 struct pci_doe_mb *pci_find_doe_mailbox(struct pci_dev *pdev, u16 vendor, diff --git a/drivers/pci/doe.c b/drivers/pci/doe.c index e3aab5edaf70..61f0531d2b1d 100644 --- a/drivers/pci/doe.c +++ b/drivers/pci/doe.c @@ -22,8 +22,6 @@ =20 #include "pci.h" =20 -#define PCI_DOE_PROTOCOL_DISCOVERY 0 - /* Timeout of 1 second from 6.30.2 Operation, PCI Spec r6.0 */ #define PCI_DOE_TIMEOUT HZ #define PCI_DOE_POLL_INTERVAL (PCI_DOE_TIMEOUT / 128) --=20 2.41.0 From nobody Sat Feb 7 19:03:06 2026 Received: from NAM11-DM6-obe.outbound.protection.outlook.com (mail-dm6nam11on2086.outbound.protection.outlook.com [40.107.223.86]) (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 D075D79DAF; 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Thu, 1 Feb 2024 00:03:50 -0600 From: Alexey Kardashevskiy To: CC: , Bjorn Helgaas , Jonathan Cameron , Lukas Wunner , Alexey Kardashevskiy Subject: [PATCH kernel 2/4] pci/doe: Support discovery version Date: Thu, 1 Feb 2024 17:02:26 +1100 Message-ID: <20240201060228.3070928-3-aik@amd.com> X-Mailer: git-send-email 2.41.0 In-Reply-To: <20240201060228.3070928-1-aik@amd.com> References: <20240201060228.3070928-1-aik@amd.com> Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: quoted-printable X-ClientProxiedBy: SATLEXMB03.amd.com (10.181.40.144) To SATLEXMB04.amd.com (10.181.40.145) X-EOPAttributedMessage: 0 X-MS-PublicTrafficType: Email X-MS-TrafficTypeDiagnostic: CY4PEPF0000EE3D:EE_|DM4PR12MB7526:EE_ X-MS-Office365-Filtering-Correlation-Id: 2bd4a0d7-3f19-42c4-092d-08dc22ebb362 X-MS-Exchange-SenderADCheck: 1 X-MS-Exchange-AntiSpam-Relay: 0 X-Microsoft-Antispam: BCL:0; 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Add support for the version on devices with the DOE v2 capability. Signed-off-by: Alexey Kardashevskiy --- include/uapi/linux/pci_regs.h | 1 + drivers/pci/doe.c | 11 ++++++++--- 2 files changed, 9 insertions(+), 3 deletions(-) diff --git a/include/uapi/linux/pci_regs.h b/include/uapi/linux/pci_regs.h index a39193213ff2..b9c681f14181 100644 --- a/include/uapi/linux/pci_regs.h +++ b/include/uapi/linux/pci_regs.h @@ -1144,6 +1144,7 @@ #define PCI_DOE_DATA_OBJECT_HEADER_2_LENGTH 0x0003ffff =20 #define PCI_DOE_DATA_OBJECT_DISC_REQ_3_INDEX 0x000000ff +#define PCI_DOE_DATA_OBJECT_DISC_REQ_3_DISCOVER_VER 0x0000ff00 #define PCI_DOE_DATA_OBJECT_DISC_RSP_3_VID 0x0000ffff #define PCI_DOE_DATA_OBJECT_DISC_RSP_3_PROTOCOL 0x00ff0000 #define PCI_DOE_DATA_OBJECT_DISC_RSP_3_NEXT_INDEX 0xff000000 diff --git a/drivers/pci/doe.c b/drivers/pci/doe.c index 61f0531d2b1d..f57def002175 100644 --- a/drivers/pci/doe.c +++ b/drivers/pci/doe.c @@ -381,11 +381,13 @@ static void pci_doe_task_complete(struct pci_doe_task= *task) complete(task->private); } =20 -static int pci_doe_discovery(struct pci_doe_mb *doe_mb, u8 *index, u16 *vi= d, +static int pci_doe_discovery(struct pci_doe_mb *doe_mb, u8 capver, u8 *ind= ex, u16 *vid, u8 *protocol) { + u32 disver =3D FIELD_PREP(PCI_DOE_DATA_OBJECT_DISC_REQ_3_DISCOVER_VER, + (capver >=3D 2) ? 2 : 0); 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Thu, 1 Feb 2024 00:04:49 -0600 From: Alexey Kardashevskiy To: CC: , Bjorn Helgaas , Jonathan Cameron , Lukas Wunner , Alexey Kardashevskiy Subject: [PATCH kernel 3/4] pci: Define TEE-IO bit in PCIe device capabilities Date: Thu, 1 Feb 2024 17:02:27 +1100 Message-ID: <20240201060228.3070928-4-aik@amd.com> X-Mailer: git-send-email 2.41.0 In-Reply-To: <20240201060228.3070928-1-aik@amd.com> References: <20240201060228.3070928-1-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: SATLEXMB03.amd.com (10.181.40.144) To SATLEXMB04.amd.com (10.181.40.145) X-EOPAttributedMessage: 0 X-MS-PublicTrafficType: Email X-MS-TrafficTypeDiagnostic: CY4PEPF0000EE3D:EE_|IA0PR12MB8714:EE_ X-MS-Office365-Filtering-Correlation-Id: b0cdca7e-bac5-411a-c2d8-08dc22ebb78b X-MS-Exchange-SenderADCheck: 1 X-MS-Exchange-AntiSpam-Relay: 0 X-Microsoft-Antispam: BCL:0; X-Microsoft-Antispam-Message-Info: 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 X-Forefront-Antispam-Report: CIP:165.204.84.17;CTRY:US;LANG:en;SCL:1;SRV:;IPV:CAL;SFV:NSPM;H:SATLEXMB04.amd.com;PTR:InfoDomainNonexistent;CAT:NONE;SFS:(13230031)(4636009)(396003)(346002)(376002)(39860400002)(136003)(230922051799003)(64100799003)(1800799012)(451199024)(186009)(82310400011)(40470700004)(46966006)(36840700001)(6916009)(54906003)(4326008)(70586007)(47076005)(70206006)(478600001)(8936002)(8676002)(6666004)(316002)(2616005)(336012)(1076003)(2906002)(4744005)(426003)(83380400001)(82740400003)(5660300002)(26005)(36860700001)(16526019)(81166007)(356005)(40460700003)(36756003)(40480700001)(41300700001)(36900700001);DIR:OUT;SFP:1101; X-OriginatorOrg: amd.com X-MS-Exchange-CrossTenant-OriginalArrivalTime: 01 Feb 2024 06:04:57.0722 (UTC) X-MS-Exchange-CrossTenant-Network-Message-Id: b0cdca7e-bac5-411a-c2d8-08dc22ebb78b 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=[SATLEXMB04.amd.com] X-MS-Exchange-CrossTenant-AuthSource: CY4PEPF0000EE3D.namprd03.prod.outlook.com X-MS-Exchange-CrossTenant-AuthAs: Anonymous X-MS-Exchange-CrossTenant-FromEntityHeader: HybridOnPrem X-MS-Exchange-Transport-CrossTenantHeadersStamped: IA0PR12MB8714 Content-Type: text/plain; charset="utf-8" A new bit #30 from the PCI Express Device Capabilities Register is defined in PCIe 6.1 as "TEE Device Interface Security Protocol (TDISP)". Define the macro. Signed-off-by: Alexey Kardashevskiy --- include/uapi/linux/pci_regs.h | 1 + 1 file changed, 1 insertion(+) diff --git a/include/uapi/linux/pci_regs.h b/include/uapi/linux/pci_regs.h index b9c681f14181..e60b4df1f7d9 100644 --- a/include/uapi/linux/pci_regs.h +++ b/include/uapi/linux/pci_regs.h @@ -498,6 +498,7 @@ #define PCI_EXP_DEVCAP_PWR_VAL 0x03fc0000 /* Slot Power Limit Value */ #define PCI_EXP_DEVCAP_PWR_SCL 0x0c000000 /* Slot Power Limit Scale */ #define PCI_EXP_DEVCAP_FLR 0x10000000 /* Function Level Reset */ +#define PCI_EXP_DEVCAP_TEE_IO 0x40000000 /* TEE-IO Supported (TDISP) */ #define PCI_EXP_DEVCTL 0x08 /* Device Control */ #define PCI_EXP_DEVCTL_CERE 0x0001 /* Correctable Error Reporting En. */ #define PCI_EXP_DEVCTL_NFERE 0x0002 /* Non-Fatal Error Reporting Enable */ --=20 2.41.0 From nobody Sat Feb 7 19:03:06 2026 Received: from NAM12-MW2-obe.outbound.protection.outlook.com (mail-mw2nam12on2041.outbound.protection.outlook.com [40.107.244.41]) (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 F373284A20; 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Thu, 1 Feb 2024 00:05:38 -0600 From: Alexey Kardashevskiy To: CC: , Bjorn Helgaas , Jonathan Cameron , Lukas Wunner , Alexey Kardashevskiy Subject: [PATCH kernel 4/4] pci: Define Integrity and Data Encryption (IDE) extended capability Date: Thu, 1 Feb 2024 17:02:28 +1100 Message-ID: <20240201060228.3070928-5-aik@amd.com> X-Mailer: git-send-email 2.41.0 In-Reply-To: <20240201060228.3070928-1-aik@amd.com> References: <20240201060228.3070928-1-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: SATLEXMB03.amd.com (10.181.40.144) To SATLEXMB04.amd.com (10.181.40.145) X-EOPAttributedMessage: 0 X-MS-PublicTrafficType: Email X-MS-TrafficTypeDiagnostic: CY4PEPF0000EE38:EE_|DM4PR12MB7600:EE_ X-MS-Office365-Filtering-Correlation-Id: de7c4b6e-27b0-48a2-b157-08dc22ebd49e X-MS-Exchange-SenderADCheck: 1 X-MS-Exchange-AntiSpam-Relay: 0 X-Microsoft-Antispam: BCL:0; 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X-OriginatorOrg: amd.com X-MS-Exchange-CrossTenant-OriginalArrivalTime: 01 Feb 2024 06:05:45.8502 (UTC) X-MS-Exchange-CrossTenant-Network-Message-Id: de7c4b6e-27b0-48a2-b157-08dc22ebd49e 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=[SATLEXMB04.amd.com] X-MS-Exchange-CrossTenant-AuthSource: CY4PEPF0000EE38.namprd03.prod.outlook.com X-MS-Exchange-CrossTenant-AuthAs: Anonymous X-MS-Exchange-CrossTenant-FromEntityHeader: HybridOnPrem X-MS-Exchange-Transport-CrossTenantHeadersStamped: DM4PR12MB7600 Content-Type: text/plain; charset="utf-8" PCIe 6.0 introduces the "Integrity & Data Encryption (IDE)" feature which adds a new capability with id=3D0x30. Add the new id to the list of capabilities. Signed-off-by: Alexey Kardashevskiy --- This only adds an id. The rest is here: https://github.com/aik/pciutils/commit/ide Not sure how much of that we want in the Linux. --- include/uapi/linux/pci_regs.h | 3 ++- 1 file changed, 2 insertions(+), 1 deletion(-) diff --git a/include/uapi/linux/pci_regs.h b/include/uapi/linux/pci_regs.h index e60b4df1f7d9..b8d447b2c793 100644 --- a/include/uapi/linux/pci_regs.h +++ b/include/uapi/linux/pci_regs.h @@ -743,7 +743,8 @@ #define PCI_EXT_CAP_ID_PL_16GT 0x26 /* Physical Layer 16.0 GT/s */ #define PCI_EXT_CAP_ID_PL_32GT 0x2A /* Physical Layer 32.0 GT/s */ #define PCI_EXT_CAP_ID_DOE 0x2E /* Data Object Exchange */ -#define PCI_EXT_CAP_ID_MAX PCI_EXT_CAP_ID_DOE +#define PCI_EXT_CAP_ID_IDE 0x30 /* Integrity and Data Encryption (IDE) */ +#define PCI_EXT_CAP_ID_MAX PCI_EXT_CAP_ID_IDE =20 #define PCI_EXT_CAP_DSN_SIZEOF 12 #define PCI_EXT_CAP_MCAST_ENDPOINT_SIZEOF 40 --=20 2.41.0