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GET /api/patches/2196618/?format=api
{ "id": 2196618, "url": "http://patchwork.ozlabs.org/api/patches/2196618/?format=api", "web_url": "http://patchwork.ozlabs.org/project/linux-pci/patch/20260215150334.3391943-2-den@valinux.co.jp/", "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": "<20260215150334.3391943-2-den@valinux.co.jp>", "list_archive_url": null, "date": "2026-02-15T15:03:32", "name": "[1/3] PCI: endpoint: pci-epf-test: Advertise dynamic inbound mapping support", "commit_ref": null, "pull_url": null, "state": "new", "archived": false, "hash": "bd5e5b70b9f62e33728ed76c28a293b4ed76d987", "submitter": { "id": 91573, "url": "http://patchwork.ozlabs.org/api/people/91573/?format=api", "name": "Koichiro Den", "email": "den@valinux.co.jp" }, "delegate": null, "mbox": "http://patchwork.ozlabs.org/project/linux-pci/patch/20260215150334.3391943-2-den@valinux.co.jp/mbox/", "series": [ { "id": 492222, "url": "http://patchwork.ozlabs.org/api/series/492222/?format=api", "web_url": "http://patchwork.ozlabs.org/project/linux-pci/list/?series=492222", "date": "2026-02-15T15:03:34", "name": "PCI: endpoint tests: Make doorbell test capability-aware", "version": 1, "mbox": "http://patchwork.ozlabs.org/series/492222/mbox/" } ], "comments": "http://patchwork.ozlabs.org/api/patches/2196618/comments/", "check": "pending", "checks": "http://patchwork.ozlabs.org/api/patches/2196618/checks/", "tags": {}, "related": [], "headers": { "Return-Path": "\n <linux-pci+bounces-47303-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": [ 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dkim=pass header.d=valinux.co.jp; arc=none" ], "DKIM-Signature": "v=1; a=rsa-sha256; c=relaxed/relaxed; d=valinux.co.jp;\n s=selector1;\n h=From:Date:Subject:Message-ID:Content-Type:MIME-Version:X-MS-Exchange-SenderADCheck;\n bh=ZrR2uLeIdlr3v2FJx/c56hEHtAdxPyxjEy8+4eIVw3I=;\n b=keO3O9Sq4xsr7erSxoekpY4C7m0kyiKawFSVXH7hxgfLdDoXWky9Rhlw4adeYTLlR1jYGjjccG7BXzWtOcTjkz46vxOY1KrytEoG8eq2Y6ff7v0Qck1RJDJMn0XddzkZd7NXmpQCsxwsOFWmilAdMK+WsUeqI/balep35tsOPcc=", "From": "Koichiro Den <den@valinux.co.jp>", "To": "mani@kernel.org,\n\tkwilczynski@kernel.org,\n\tkishon@kernel.org,\n\tbhelgaas@google.com,\n\tshuah@kernel.org,\n\tcassel@kernel.org,\n\tFrank.Li@nxp.com", "Cc": "linux-pci@vger.kernel.org,\n\tlinux-kernel@vger.kernel.org,\n\tlinux-kselftest@vger.kernel.org", "Subject": "[PATCH 1/3] PCI: endpoint: pci-epf-test: Advertise dynamic inbound\n mapping support", "Date": "Mon, 16 Feb 2026 00:03:32 +0900", "Message-ID": "<20260215150334.3391943-2-den@valinux.co.jp>", "X-Mailer": "git-send-email 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", "X-OriginatorOrg": "valinux.co.jp", "X-MS-Exchange-CrossTenant-Network-Message-Id": "\n d6d84ec6-5007-4437-114c-08de6ca3676d", "X-MS-Exchange-CrossTenant-AuthSource": "TY7P286MB7722.JPNP286.PROD.OUTLOOK.COM", "X-MS-Exchange-CrossTenant-AuthAs": "Internal", "X-MS-Exchange-CrossTenant-OriginalArrivalTime": "15 Feb 2026 15:03:40.4319\n (UTC)", "X-MS-Exchange-CrossTenant-FromEntityHeader": "Hosted", "X-MS-Exchange-CrossTenant-Id": "7a57bee8-f73d-4c5f-a4f7-d72c91c8c111", "X-MS-Exchange-CrossTenant-MailboxType": "HOSTED", "X-MS-Exchange-CrossTenant-UserPrincipalName": "\n TahlkCE8yRUFpM8z5K5MjDQlzfHWe2p/7YAVajD3WGZ3Oj9c+/y7cD12Pwmm5HXnoXCi36A80gSWdV2abeDa/w==", "X-MS-Exchange-Transport-CrossTenantHeadersStamped": "TY4P286MB7240" }, "content": "The doorbell test requires the EPC driver to support dynamic inbound\nmapping so the host can map the doorbell target address into a BAR\naperture.\n\nExpose epc_features->dynamic_inbound_mapping via a new\nCAP_DYNAMIC_INBOUND_MAPPING bit in the pci-epf-test capability register,\nso the host-side pci_endpoint_test driver can detect missing support and\nreturn -EOPNOTSUPP instead of running the test fruitlessly.\n\nSuggested-by: Niklas Cassel <cassel@kernel.org>\nSigned-off-by: Koichiro Den <den@valinux.co.jp>\n---\n drivers/pci/endpoint/functions/pci-epf-test.c | 4 ++++\n 1 file changed, 4 insertions(+)", "diff": "diff --git a/drivers/pci/endpoint/functions/pci-epf-test.c b/drivers/pci/endpoint/functions/pci-epf-test.c\nindex 0cb7af0919dc..c0db207ff143 100644\n--- a/drivers/pci/endpoint/functions/pci-epf-test.c\n+++ b/drivers/pci/endpoint/functions/pci-epf-test.c\n@@ -64,6 +64,7 @@\n #define CAP_MSIX\t\t\tBIT(2)\n #define CAP_INTX\t\t\tBIT(3)\n #define CAP_SUBRANGE_MAPPING\t\tBIT(4)\n+#define CAP_DYNAMIC_INBOUND_MAPPING\tBIT(5)\n \n #define PCI_EPF_TEST_BAR_SUBRANGE_NSUB\t2\n \n@@ -1102,6 +1103,9 @@ static void pci_epf_test_set_capabilities(struct pci_epf *epf)\n \tif (epf_test->epc_features->intx_capable)\n \t\tcaps |= CAP_INTX;\n \n+\tif (epf_test->epc_features->dynamic_inbound_mapping)\n+\t\tcaps |= CAP_DYNAMIC_INBOUND_MAPPING;\n+\n \tif (epf_test->epc_features->dynamic_inbound_mapping &&\n \t epf_test->epc_features->subrange_mapping)\n \t\tcaps |= CAP_SUBRANGE_MAPPING;\n", "prefixes": [ "1/3" ] }