{"id":2220493,"url":"http://patchwork.ozlabs.org/api/1.1/patches/2220493/?format=json","web_url":"http://patchwork.ozlabs.org/project/linux-pci/patch/20260407-skip-bar_subrange-tests-if-enospc-v4-1-6f2e65f2298c@foss.st.com/","project":{"id":28,"url":"http://patchwork.ozlabs.org/api/1.1/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":"<20260407-skip-bar_subrange-tests-if-enospc-v4-1-6f2e65f2298c@foss.st.com>","date":"2026-04-07T12:04:08","name":"[v4,1/3] PCI: endpoint: pci-epf-test: Handle -ENOSPC in subrange_setup","commit_ref":null,"pull_url":null,"state":"new","archived":false,"hash":"e3f09e2932be2dad767be3a342d29280fa582cb8","submitter":{"id":89090,"url":"http://patchwork.ozlabs.org/api/1.1/people/89090/?format=json","name":"Christian Bruel","email":"christian.bruel@foss.st.com"},"delegate":null,"mbox":"http://patchwork.ozlabs.org/project/linux-pci/patch/20260407-skip-bar_subrange-tests-if-enospc-v4-1-6f2e65f2298c@foss.st.com/mbox/","series":[{"id":498970,"url":"http://patchwork.ozlabs.org/api/1.1/series/498970/?format=json","web_url":"http://patchwork.ozlabs.org/project/linux-pci/list/?series=498970","date":"2026-04-07T12:04:07","name":"Skip subrange map tests on DWC iATU allocation failure","version":4,"mbox":"http://patchwork.ozlabs.org/series/498970/mbox/"}],"comments":"http://patchwork.ozlabs.org/api/patches/2220493/comments/","check":"pending","checks":"http://patchwork.ozlabs.org/api/patches/2220493/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 (2048-bit key;\n unprotected) header.d=foss.st.com header.i=@foss.st.com 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pci-epf-test: Handle -ENOSPC in\n subrange_setup","Precedence":"bulk","X-Mailing-List":"linux-pci@vger.kernel.org","List-Id":"","List-Subscribe":"","List-Unsubscribe":"","MIME-Version":"1.0","Content-Type":"text/plain; charset=\"utf-8\"","Content-Transfer-Encoding":"7bit","Message-ID":"\n <20260407-skip-bar_subrange-tests-if-enospc-v4-1-6f2e65f2298c@foss.st.com>","References":"\n <20260407-skip-bar_subrange-tests-if-enospc-v4-0-6f2e65f2298c@foss.st.com>","In-Reply-To":"\n <20260407-skip-bar_subrange-tests-if-enospc-v4-0-6f2e65f2298c@foss.st.com>","To":"Manivannan Sadhasivam , =?utf-8?q?Krzysztof_Wilczy?=\n\t=?utf-8?q?=C5=84ski?= ,\n \"Kishon Vijay Abraham I\" , Shuah Khan ,\n Bjorn Helgaas , Arnd Bergmann ,\n Greg Kroah-Hartman ,\n Koichiro Den , Niklas Cassel ","CC":", ,\n\t, , \"Christian\n Bruel\" , Frank Li ","X-Mailer":"b4 0.14.2","X-ClientProxiedBy":"STKCAS1NODE1.st.com (10.75.128.134) To STKDAG1NODE2.st.com\n 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Apr 2026 12:04:54.7401\n (UTC)","X-MS-Exchange-CrossTenant-Network-Message-Id":"\n ae8286a4-72df-4eef-2ce2-08de949de194","X-MS-Exchange-CrossTenant-Id":"75e027c9-20d5-47d5-b82f-77d7cd041e8f","X-MS-Exchange-CrossTenant-OriginalAttributedTenantConnectingIp":"\n TenantId=75e027c9-20d5-47d5-b82f-77d7cd041e8f;Ip=[164.130.1.60];Helo=[smtpO365.st.com]","X-MS-Exchange-CrossTenant-AuthSource":"\n\tDB1PEPF000509E4.eurprd03.prod.outlook.com","X-MS-Exchange-CrossTenant-AuthAs":"Anonymous","X-MS-Exchange-CrossTenant-FromEntityHeader":"HybridOnPrem","X-MS-Exchange-Transport-CrossTenantHeadersStamped":"AS8PR10MB6152"},"content":"Set the STATUS_NO_RESOURCE status bit on pci_epc_set_bar() -ENOSPC.\nHere this is used to indicate there are not enough inbound window resources\nto allocate the subrange.\n\nSigned-off-by: Christian Bruel \nReviewed-by: Niklas Cassel \nReviewed-by: Frank Li \nReviewed-by: Koichiro Den \n---\n drivers/pci/endpoint/functions/pci-epf-test.c | 3 +++\n 1 file changed, 3 insertions(+)","diff":"diff --git a/drivers/pci/endpoint/functions/pci-epf-test.c b/drivers/pci/endpoint/functions/pci-epf-test.c\nindex 14e61ebe1f116ce04789b6f4c3e965296701ec53..7eb94dffac2d193477a43decd7b952c78b99eb5f 100644\n--- a/drivers/pci/endpoint/functions/pci-epf-test.c\n+++ b/drivers/pci/endpoint/functions/pci-epf-test.c\n@@ -54,6 +54,7 @@\n #define STATUS_BAR_SUBRANGE_SETUP_FAIL\t\tBIT(15)\n #define STATUS_BAR_SUBRANGE_CLEAR_SUCCESS\tBIT(16)\n #define STATUS_BAR_SUBRANGE_CLEAR_FAIL\t\tBIT(17)\n+#define STATUS_NO_RESOURCE\t\tBIT(18)\n \n #define FLAG_USE_DMA\t\t\tBIT(0)\n \n@@ -901,6 +902,8 @@ static void pci_epf_test_bar_subrange_setup(struct pci_epf_test *epf_test,\n \tret = pci_epc_set_bar(epc, epf->func_no, epf->vfunc_no, bar);\n \tif (ret) {\n \t\tdev_err(&epf->dev, \"pci_epc_set_bar() failed: %d\\n\", ret);\n+\t\tif (ret == -ENOSPC)\n+\t\t\tstatus |= STATUS_NO_RESOURCE;\n \t\tbar->submap = old_submap;\n \t\tbar->num_submap = old_nsub;\n \t\tkfree(submap);\n","prefixes":["v4","1/3"]}