{"id":2196321,"url":"http://patchwork.ozlabs.org/api/1.0/patches/2196321/?format=json","project":{"id":28,"url":"http://patchwork.ozlabs.org/api/1.0/projects/28/?format=json","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},"msgid":"<20260213123603.420941-3-a-garg7@ti.com>","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/1.0/people/92467/?format=json","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/1.0/series/492090/?format=json","date":"2026-02-13T12:35:59","name":"PCI: Add DOE support for endpoint","version":1,"mbox":"http://patchwork.ozlabs.org/series/492090/mbox/"}],"check":"pending","checks":"http://patchwork.ozlabs.org/api/patches/2196321/checks/","tags":{},"headers":{"Return-Path":"\n ","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 unprotected) header.d=ti.com header.i=@ti.com header.a=rsa-sha256\n header.s=selector1 header.b=pr2qWklG;\n\tdkim-atps=neutral","legolas.ozlabs.org;\n spf=pass (sender SPF authorized) smtp.mailfrom=vger.kernel.org\n (client-ip=2600:3c04:e001:36c::12fc:5321; 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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":"","List-Subscribe":"","List-Unsubscribe":"","MIME-Version":"1.0","Content-Transfer-Encoding":"8bit","Content-Type":"text/plain","X-C2ProcessedOrg":"333ef613-75bf-4e12-a4b1-8e3623f5dcea","X-EOPAttributedMessage":"0","X-MS-PublicTrafficType":"Email","X-MS-TrafficTypeDiagnostic":"SJ1PEPF00001CE4:EE_|CH3PR10MB6739:EE_","X-MS-Office365-Filtering-Correlation-Id":"e8514f98-8c1a-4bd9-0aa7-08de6afc7d48","X-MS-Exchange-SenderADCheck":"1","X-MS-Exchange-AntiSpam-Relay":"0","X-Microsoft-Antispam":"\n\tBCL:0;ARA:13230040|376014|36860700013|82310400026|1800799024;","X-Microsoft-Antispam-Message-Info":"\n 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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 \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 \nSigned-off-by: Siddharth Vadapalli \nSigned-off-by: Aksh Garg \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"]}