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GET /api/patches/133848/?format=api
{ "id": 133848, "url": "https://patches.dpdk.org/api/patches/133848/?format=api", "web_url": "https://patches.dpdk.org/project/dpdk/patch/20231103171436.2791832-1-abdullah.sevincer@intel.com/", "project": { "id": 1, "url": "https://patches.dpdk.org/api/projects/1/?format=api", "name": "DPDK", "link_name": "dpdk", "list_id": "dev.dpdk.org", "list_email": "dev@dpdk.org", "web_url": "http://core.dpdk.org", "scm_url": "git://dpdk.org/dpdk", "webscm_url": "http://git.dpdk.org/dpdk", "list_archive_url": "https://inbox.dpdk.org/dev", "list_archive_url_format": "https://inbox.dpdk.org/dev/{}", "commit_url_format": "" }, "msgid": "<20231103171436.2791832-1-abdullah.sevincer@intel.com>", "list_archive_url": "https://inbox.dpdk.org/dev/20231103171436.2791832-1-abdullah.sevincer@intel.com", "date": "2023-11-03T17:14:36", "name": "[v4] event/dlb2: fix disable PASID", "commit_ref": null, "pull_url": null, "state": "superseded", "archived": true, "hash": "49629e2a0fce6db330c350e36b80db9e1a8ec1c3", "submitter": { "id": 2843, "url": "https://patches.dpdk.org/api/people/2843/?format=api", "name": "Sevincer, Abdullah", "email": "abdullah.sevincer@intel.com" }, "delegate": { "id": 310, "url": "https://patches.dpdk.org/api/users/310/?format=api", "username": "jerin", "first_name": "Jerin", "last_name": "Jacob", "email": "jerinj@marvell.com" }, "mbox": "https://patches.dpdk.org/project/dpdk/patch/20231103171436.2791832-1-abdullah.sevincer@intel.com/mbox/", "series": [ { "id": 30146, "url": "https://patches.dpdk.org/api/series/30146/?format=api", "web_url": "https://patches.dpdk.org/project/dpdk/list/?series=30146", "date": "2023-11-03T17:14:36", "name": "[v4] event/dlb2: fix disable PASID", "version": 4, "mbox": "https://patches.dpdk.org/series/30146/mbox/" } ], "comments": "https://patches.dpdk.org/api/patches/133848/comments/", "check": "warning", "checks": "https://patches.dpdk.org/api/patches/133848/checks/", "tags": {}, "related": [], "headers": { "Return-Path": "<dev-bounces@dpdk.org>", "X-Original-To": "patchwork@inbox.dpdk.org", "Delivered-To": "patchwork@inbox.dpdk.org", "Received": [ "from mails.dpdk.org (mails.dpdk.org [217.70.189.124])\n\tby inbox.dpdk.org (Postfix) with ESMTP id A34DB4327C;\n\tFri, 3 Nov 2023 18:14:42 +0100 (CET)", "from mails.dpdk.org (localhost [127.0.0.1])\n\tby mails.dpdk.org (Postfix) with ESMTP id 356C440263;\n\tFri, 3 Nov 2023 18:14:42 +0100 (CET)", "from mgamail.intel.com (mgamail.intel.com [134.134.136.65])\n by mails.dpdk.org (Postfix) with ESMTP id B2E9E4014F;\n Fri, 3 Nov 2023 18:14:40 +0100 (CET)", "from orsmga003.jf.intel.com ([10.7.209.27])\n by orsmga103.jf.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384;\n 03 Nov 2023 10:14:39 -0700", "from txanpdk02.an.intel.com ([10.123.117.76])\n by orsmga003.jf.intel.com with ESMTP; 03 Nov 2023 10:14:38 -0700" ], "DKIM-Signature": "v=1; a=rsa-sha256; c=relaxed/simple;\n d=intel.com; i=@intel.com; q=dns/txt; s=Intel;\n t=1699031681; x=1730567681;\n h=from:to:cc:subject:date:message-id:mime-version:\n content-transfer-encoding;\n bh=pHeWedwQlGruPE2OYCaQj7mBzsaIKSH6hjsy3JCLXjo=;\n b=RZwAI4DWnP5aKbgv+2VmpMUUyI9cvmF0qF3CWBr21i2vdOEzkBiu3VC8\n DC6ZkqfzFK7N7Dtp0z2aFqr5hfoet/+/JGJzmWstxBIhUWWjHemRM7XsE\n etannGH4gEPgkwfewSuDSRuoaF+Iv4YEBAHAQobQ0G4ct0BCOYvgNnH38\n DeCqD9uAHm6WhjGA1MPsSXYVj/MxcjnbTPyw7lY4d2dDn94lchqjyxuFB\n MLz/yABP3zdLLm2A1aSQZWYHJPUKb4M7E2DiiA5jNozNpKMk59+6+fVW0\n 8CRCNUbKg433ifGpvwffQDeIjcDIjO5zXt+mColfxCb/kjVHxUxe8Qo+g Q==;", "X-IronPort-AV": [ "E=McAfee;i=\"6600,9927,10883\"; a=\"392867580\"", "E=Sophos;i=\"6.03,273,1694761200\"; d=\"scan'208\";a=\"392867580\"", "E=McAfee;i=\"6600,9927,10883\"; a=\"711564387\"", "E=Sophos;i=\"6.03,273,1694761200\"; d=\"scan'208\";a=\"711564387\"" ], "X-ExtLoop1": "1", "From": "Abdullah Sevincer <abdullah.sevincer@intel.com>", "To": "dev@dpdk.org", "Cc": "jerinj@marvell.com, mike.ximing.chen@intel.com,\n bruce.richardson@intel.com,\n thomas@monjalon.net, Abdullah Sevincer <abdullah.sevincer@intel.com>,\n stable@dpdk.org", "Subject": "[PATCH v4] event/dlb2: fix disable PASID", "Date": "Fri, 3 Nov 2023 12:14:36 -0500", "Message-Id": "<20231103171436.2791832-1-abdullah.sevincer@intel.com>", "X-Mailer": "git-send-email 2.25.1", "MIME-Version": "1.0", "Content-Transfer-Encoding": "8bit", "X-BeenThere": "dev@dpdk.org", "X-Mailman-Version": "2.1.29", "Precedence": "list", "List-Id": "DPDK patches and discussions <dev.dpdk.org>", "List-Unsubscribe": "<https://mails.dpdk.org/options/dev>,\n <mailto:dev-request@dpdk.org?subject=unsubscribe>", "List-Archive": "<http://mails.dpdk.org/archives/dev/>", "List-Post": "<mailto:dev@dpdk.org>", "List-Help": "<mailto:dev-request@dpdk.org?subject=help>", "List-Subscribe": "<https://mails.dpdk.org/listinfo/dev>,\n <mailto:dev-request@dpdk.org?subject=subscribe>", "Errors-To": "dev-bounces@dpdk.org" }, "content": "In vfio-pci driver when PASID is enabled by default\nDLB hardware puts DLB in SIOV mode. This breaks\nDLB PF-PMD mode. For DLB PF-PMD mode to function properly\nPASID needs to be disabled.\n\nIn this commit this issue is addressed and PASID is disabled\nby writing a zero to PASID control register.\n\nFixes: 5433956d5185 (\"event/dlb2: add eventdev probe\")\nCc: stable@dpdk.org\n\nSigned-off-by: Abdullah Sevincer <abdullah.sevincer@intel.com>\n---\n drivers/event/dlb2/pf/dlb2_main.c | 10 ++++++++++\n 1 file changed, 10 insertions(+)", "diff": "diff --git a/drivers/event/dlb2/pf/dlb2_main.c b/drivers/event/dlb2/pf/dlb2_main.c\nindex aa03e4c311..63a18df71c 100644\n--- a/drivers/event/dlb2/pf/dlb2_main.c\n+++ b/drivers/event/dlb2/pf/dlb2_main.c\n@@ -514,6 +514,16 @@ dlb2_pf_reset(struct dlb2_dev *dlb2_dev)\n \t\t}\n \t}\n \n+\t/* Disable PASID incase it is enabled by default, which\n+\t * breaks the DLB if enabled.\n+\t */\n+\toff = RTE_PCI_PASID_CAP_OFFSET + RTE_PCI_PASID_CTRL;\n+\tif (rte_pci_set_pasid(pdev, off, false)) {\n+\t\tDLB2_LOG_ERR(\"[%s()] failed to write the pcie config space at offset %d\\n\",\n+\t\t\t\t__func__, (int)off);\n+\t\treturn -1;\n+\t}\n+\n \treturn 0;\n }\n \n", "prefixes": [ "v4" ] }