{"id":2234742,"url":"http://patchwork.ozlabs.org/api/1.2/patches/2234742/?format=json","web_url":"http://patchwork.ozlabs.org/project/linux-pci/patch/20260508031710.514574-9-alistair.francis@wdc.com/","project":{"id":28,"url":"http://patchwork.ozlabs.org/api/1.2/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,"list_archive_url":"","list_archive_url_format":"","commit_url_format":""},"msgid":"<20260508031710.514574-9-alistair.francis@wdc.com>","list_archive_url":null,"date":"2026-05-08T03:17:00","name":"[08/18] PCI/TSM: Support connecting to PCIe CMA devices","commit_ref":null,"pull_url":null,"state":"new","archived":false,"hash":"c4dcd9a4d9de7de336c4d895d27d50d1618c183b","submitter":{"id":64571,"url":"http://patchwork.ozlabs.org/api/1.2/people/64571/?format=json","name":"Alistair Francis","email":"alistair23@gmail.com"},"delegate":null,"mbox":"http://patchwork.ozlabs.org/project/linux-pci/patch/20260508031710.514574-9-alistair.francis@wdc.com/mbox/","series":[{"id":503312,"url":"http://patchwork.ozlabs.org/api/1.2/series/503312/?format=json","web_url":"http://patchwork.ozlabs.org/project/linux-pci/list/?series=503312","date":"2026-05-08T03:16:52","name":"lib: Rust implementation of SPDM","version":1,"mbox":"http://patchwork.ozlabs.org/series/503312/mbox/"}],"comments":"http://patchwork.ozlabs.org/api/patches/2234742/comments/","check":"pending","checks":"http://patchwork.ozlabs.org/api/patches/2234742/checks/","tags":{},"related":[],"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=gmail.com header.i=@gmail.com header.a=rsa-sha256\n header.s=20251104 header.b=luJNN9US;\n\tdkim-atps=neutral","legolas.ozlabs.org;\n spf=pass (sender SPF authorized) smtp.mailfrom=vger.kernel.org\n (client-ip=2600:3c15:e001:75::12fc:5321; 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These devices don't necessarily has DEVCAP_TEE or IDE\nsupport.\n\nAs such for Root Complex Integrated Endpoint (PCI_EXP_TYPE_RC_END) we\nalso check for the CMA DOE feature.\n\nSigned-off-by: Alistair Francis \n---\n include/linux/pci-tsm.h | 11 ++++++++++-\n 1 file changed, 10 insertions(+), 1 deletion(-)","diff":"diff --git a/include/linux/pci-tsm.h b/include/linux/pci-tsm.h\nindex a6435aba03f9..5059954e4853 100644\n--- a/include/linux/pci-tsm.h\n+++ b/include/linux/pci-tsm.h\n@@ -3,6 +3,7 @@\n #define __PCI_TSM_H\n #include \n #include \n+#include \n #include \n \n struct pci_tsm;\n@@ -129,6 +130,8 @@ struct pci_tsm_pf0 {\n /* physical function0 and capable of 'connect' */\n static inline bool is_pci_tsm_pf0(struct pci_dev *pdev)\n {\n+\tstruct pci_doe_mb *doe;\n+\n \tif (!pdev)\n \t\treturn false;\n \n@@ -146,9 +149,15 @@ static inline bool is_pci_tsm_pf0(struct pci_dev *pdev)\n \t * switch.\n \t */\n \tswitch (pci_pcie_type(pdev)) {\n+\tcase PCI_EXP_TYPE_RC_END:\n+\t\tdoe = pci_find_doe_mailbox(pdev, PCI_VENDOR_ID_PCI_SIG,\n+\t\t\t\t\t PCI_DOE_FEATURE_CMA);\n+\n+\t\tif (doe)\n+\t\t\tbreak;\n+\t\tfallthrough;\n \tcase PCI_EXP_TYPE_ENDPOINT:\n \tcase PCI_EXP_TYPE_UPSTREAM:\n-\tcase PCI_EXP_TYPE_RC_END:\n \t\tif (pdev->ide_cap || (pdev->devcap & PCI_EXP_DEVCAP_TEE))\n \t\t\tbreak;\n \t\tfallthrough;\n","prefixes":["08/18"]}