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GET /api/patches/2196321/?format=api
{ "id": 2196321, "url": "http://patchwork.ozlabs.org/api/patches/2196321/?format=api", "web_url": "http://patchwork.ozlabs.org/project/linux-pci/patch/20260213123603.420941-3-a-garg7@ti.com/", "project": { "id": 28, "url": "http://patchwork.ozlabs.org/api/projects/28/?format=api", "name": "Linux PCI development", "link_name": "linux-pci", "list_id": "linux-pci.vger.kernel.org", "list_email": "linux-pci@vger.kernel.org", "web_url": null, "scm_url": null, "webscm_url": null, "list_archive_url": "", "list_archive_url_format": "", "commit_url_format": "" }, "msgid": "<20260213123603.420941-3-a-garg7@ti.com>", "list_archive_url": null, "date": "2026-02-13T12:36:01", "name": "[RFC,2/4] PCI/DOE: Move common definitions to the header file", "commit_ref": null, "pull_url": null, "state": "new", "archived": false, "hash": "ba12f67b7629711f0ba1238c7b7b2a8feb6aea01", "submitter": { "id": 92467, "url": "http://patchwork.ozlabs.org/api/people/92467/?format=api", "name": "Aksh Garg", "email": "a-garg7@ti.com" }, "delegate": null, "mbox": "http://patchwork.ozlabs.org/project/linux-pci/patch/20260213123603.420941-3-a-garg7@ti.com/mbox/", "series": [ { "id": 492090, "url": "http://patchwork.ozlabs.org/api/series/492090/?format=api", "web_url": "http://patchwork.ozlabs.org/project/linux-pci/list/?series=492090", "date": "2026-02-13T12:35:59", "name": "PCI: Add DOE support for endpoint", "version": 1, "mbox": "http://patchwork.ozlabs.org/series/492090/mbox/" } ], "comments": "http://patchwork.ozlabs.org/api/patches/2196321/comments/", "check": "pending", "checks": "http://patchwork.ozlabs.org/api/patches/2196321/checks/", "tags": {}, "related": [], "headers": { "Return-Path": "\n <linux-pci+bounces-47268-incoming=patchwork.ozlabs.org@vger.kernel.org>", "X-Original-To": [ "incoming@patchwork.ozlabs.org", "linux-pci@vger.kernel.org" ], "Delivered-To": "patchwork-incoming@legolas.ozlabs.org", "Authentication-Results": [ "legolas.ozlabs.org;\n\tdkim=pass (1024-bit key;\n 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<linux-doc@vger.kernel.org>,\n\t<bhelgaas@google.com>, <corbet@lwn.net>, <cassel@kernel.org>", "CC": "<linux-kernel@vger.kernel.org>, <linux-arm-kernel@lists.infradead.org>,\n\t<s-vadapalli@ti.com>, <danishanwar@ti.com>, <srk@ti.com>, <a-garg7@ti.com>", "Subject": "[RFC PATCH 2/4] PCI/DOE: Move common definitions to the header file", "Date": "Fri, 13 Feb 2026 18:06:01 +0530", "Message-ID": "<20260213123603.420941-3-a-garg7@ti.com>", "X-Mailer": "git-send-email 2.34.1", "In-Reply-To": "<20260213123603.420941-1-a-garg7@ti.com>", "References": "<20260213123603.420941-1-a-garg7@ti.com>", "Precedence": "bulk", "X-Mailing-List": "linux-pci@vger.kernel.org", "List-Id": "<linux-pci.vger.kernel.org>", "List-Subscribe": "<mailto:linux-pci+subscribe@vger.kernel.org>", "List-Unsubscribe": "<mailto:linux-pci+unsubscribe@vger.kernel.org>", "MIME-Version": "1.0", "Content-Transfer-Encoding": "8bit", "Content-Type": "text/plain", "X-C2ProcessedOrg": "333ef613-75bf-4e12-a4b1-8e3623f5dcea", 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"X-Forefront-Antispam-Report": "\n\tCIP:198.47.23.195;CTRY:US;LANG:en;SCL:1;SRV:;IPV:NLI;SFV:NSPM;H:lewvzet201.ext.ti.com;PTR:InfoDomainNonexistent;CAT:NONE;SFS:(13230040)(376014)(36860700013)(82310400026)(1800799024);DIR:OUT;SFP:1101;", "X-MS-Exchange-AntiSpam-MessageData-ChunkCount": "1", "X-MS-Exchange-AntiSpam-MessageData-0": "\n\the0cH4+sm+36IRSPJUGXsTLGX7cJxKueaNP0BtFrlltH9kE+Y87IZP4oMKwUuj5TL0+u6fD/SG5Xp1P2USjVqC8d0OMAfpVAxPKbYzSLVUOXnmSsVD0niMqLv5vSZS6i8F0xg3VFDM+Vit32+kCX6Br0XR6spgXqvJhH6nXcG3I9uz8xfUHcIC2qmKg75u+4cZUowrDnXrG2mDETc205Ijz/gXmB4hGy39J/REHY5b42k3RM5RJDeolTEq7+ZJYNCY+3lf2J6pnt+y97H2NRTvbiJrZXt0JQ4d/O95zUXvAfiZCO8h2E6V919tzIBq8izgl6iT0WYeOH7zwWJKDaji94iWTOSU84ECaaKcEqJ9LIeiw+3VftqRLMG86/NJlLBz2oTxIXEkFGSjwwHhbNwR0ehqHHDFijUoNJB9bIF4xpb5Ss21j4BRoBTiUSHbg6", "X-OriginatorOrg": "ti.com", "X-MS-Exchange-CrossTenant-OriginalArrivalTime": "13 Feb 2026 12:36:19.8085\n (UTC)", "X-MS-Exchange-CrossTenant-Network-Message-Id": "\n e8514f98-8c1a-4bd9-0aa7-08de6afc7d48", "X-MS-Exchange-CrossTenant-Id": "e5b49634-450b-4709-8abb-1e2b19b982b7", "X-MS-Exchange-CrossTenant-OriginalAttributedTenantConnectingIp": "\n TenantId=e5b49634-450b-4709-8abb-1e2b19b982b7;Ip=[198.47.23.195];Helo=[lewvzet201.ext.ti.com]", "X-MS-Exchange-CrossTenant-AuthSource": "\n\tSJ1PEPF00001CE4.namprd03.prod.outlook.com", "X-MS-Exchange-CrossTenant-AuthAs": "Anonymous", "X-MS-Exchange-CrossTenant-FromEntityHeader": "HybridOnPrem", "X-MS-Exchange-Transport-CrossTenantHeadersStamped": "CH3PR10MB6739" }, "content": "From: Aksh Garg <a-garg7@ti.com>\n\nMove common macros and structures from drivers/pci/doe.c to\ninclude/linux/pci-doe.h to allow reuse across root complex and\nendpoint DOE implementations.\n\nAlso add CONFIG_PCI_DOE guards around the root complex DOE APIs to\nmaintain proper conditional compilation.\n\nThese changes prepare the groundwork for the DOE endpoint implementation\nthat will reuse these common definitions.\n\nCo-developed-by: Siddharth Vadapalli <s-vadapalli@ti.com>\nSigned-off-by: Siddharth Vadapalli <s-vadapalli@ti.com>\nSigned-off-by: Aksh Garg <a-garg7@ti.com>\n---\n drivers/pci/doe.c | 11 -----------\n include/linux/pci-doe.h | 38 +++++++++++++++++++++++++++++++++-----\n 2 files changed, 33 insertions(+), 16 deletions(-)", "diff": "diff --git a/drivers/pci/doe.c b/drivers/pci/doe.c\nindex 62be9c8dbc52..0171ef3215a7 100644\n--- a/drivers/pci/doe.c\n+++ b/drivers/pci/doe.c\n@@ -28,12 +28,6 @@\n #define PCI_DOE_TIMEOUT HZ\n #define PCI_DOE_POLL_INTERVAL\t(PCI_DOE_TIMEOUT / 128)\n \n-#define PCI_DOE_FLAG_CANCEL\t0\n-#define PCI_DOE_FLAG_DEAD\t1\n-\n-/* Max data object length is 2^18 dwords */\n-#define PCI_DOE_MAX_LENGTH\t(1 << 18)\n-\n /**\n * struct pci_doe_mb - State for a single DOE mailbox\n *\n@@ -63,11 +57,6 @@ struct pci_doe_mb {\n #endif\n };\n \n-struct pci_doe_feature {\n-\tu16 vid;\n-\tu8 type;\n-};\n-\n /**\n * struct pci_doe_task - represents a single query/response\n *\ndiff --git a/include/linux/pci-doe.h b/include/linux/pci-doe.h\nindex bd4346a7c4e7..a966626c47f9 100644\n--- a/include/linux/pci-doe.h\n+++ b/include/linux/pci-doe.h\n@@ -13,12 +13,25 @@\n #ifndef LINUX_PCI_DOE_H\n #define LINUX_PCI_DOE_H\n \n-struct pci_doe_mb;\n+/* Mailbox state flags */\n+#define PCI_DOE_FLAG_CANCEL\t\t0\n+#define PCI_DOE_FLAG_DEAD\t\t1\n+\n+/* Max data object length is 2^18 dwords */\n+#define PCI_DOE_MAX_LENGTH\t\t(1 << 18)\n \n-#define PCI_DOE_FEATURE_DISCOVERY 0\n-#define PCI_DOE_FEATURE_CMA 1\n-#define PCI_DOE_FEATURE_SSESSION 2\n+#define PCI_DOE_FEATURE_DISCOVERY\t0\n+#define PCI_DOE_FEATURE_CMA\t\t1\n+#define PCI_DOE_FEATURE_SSESSION\t2\n \n+struct pci_doe_feature {\n+\tu16 vid;\n+\tu8 type;\n+};\n+\n+struct pci_doe_mb;\n+\n+#ifdef CONFIG_PCI_DOE\n struct pci_doe_mb *pci_find_doe_mailbox(struct pci_dev *pdev, u16 vendor,\n \t\t\t\t\tu8 type);\n \n@@ -26,4 +39,19 @@ int pci_doe(struct pci_doe_mb *doe_mb, u16 vendor, u8 type,\n \t const void *request, size_t request_sz,\n \t void *response, size_t response_sz);\n \n-#endif\n+#else\n+static inline struct pci_doe_mb *pci_find_doe_mailbox(struct pci_dev *pdev,\n+\t\t\t\t\t\t u16 vendor, u8 type)\n+{\n+\treturn NULL;\n+}\n+\n+static inline int pci_doe(struct pci_doe_mb *doe_mb, u16 vendor, u8 type,\n+\t\t\t const void *request, size_t request_sz,\n+\t\t\t void *response, size_t response_sz)\n+{\n+\treturn -EOPNOTSUPP;\n+}\n+#endif /* CONFIG_PCI_DOE */\n+\n+#endif /* LINUX_PCI_DOE_H */\n", "prefixes": [ "RFC", "2/4" ] }