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GET /api/patches/28102/?format=api
{ "id": 28102, "url": "https://patches.dpdk.org/api/patches/28102/?format=api", "web_url": "https://patches.dpdk.org/project/dpdk/patch/20170831032618.7120-3-santosh.shukla@caviumnetworks.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": "<20170831032618.7120-3-santosh.shukla@caviumnetworks.com>", "list_archive_url": "https://inbox.dpdk.org/dev/20170831032618.7120-3-santosh.shukla@caviumnetworks.com", "date": "2017-08-31T03:26:11", "name": "[dpdk-dev,v7,2/9] eal/pci: get iommu class", "commit_ref": null, "pull_url": null, "state": "superseded", "archived": true, "hash": "65c8392c8e8344419e0ae729c76b35dc5b3e7099", "submitter": { "id": 480, "url": "https://patches.dpdk.org/api/people/480/?format=api", "name": "Santosh Shukla", "email": "santosh.shukla@caviumnetworks.com" }, "delegate": null, "mbox": "https://patches.dpdk.org/project/dpdk/patch/20170831032618.7120-3-santosh.shukla@caviumnetworks.com/mbox/", "series": [], "comments": "https://patches.dpdk.org/api/patches/28102/comments/", "check": "success", "checks": "https://patches.dpdk.org/api/patches/28102/checks/", "tags": {}, "related": [], "headers": { "Return-Path": "<dev-bounces@dpdk.org>", "X-Original-To": "patchwork@dpdk.org", "Delivered-To": "patchwork@dpdk.org", "Received": [ "from [92.243.14.124] (localhost [IPv6:::1])\n\tby dpdk.org (Postfix) with ESMTP id 619203255;\n\tThu, 31 Aug 2017 05:27:10 +0200 (CEST)", "from NAM02-SN1-obe.outbound.protection.outlook.com\n\t(mail-sn1nam02on0049.outbound.protection.outlook.com [104.47.36.49])\n\tby dpdk.org (Postfix) with ESMTP id 1D06E2C00\n\tfor <dev@dpdk.org>; Thu, 31 Aug 2017 05:27:07 +0200 (CEST)", "from localhost.localdomain (111.93.218.67) by\n\tBN6PR07MB3089.namprd07.prod.outlook.com (10.172.105.7) with Microsoft\n\tSMTP Server (version=TLS1_2,\n\tcipher=TLS_ECDHE_RSA_WITH_AES_256_CBC_SHA384_P256) id\n\t15.1.1385.9; Thu, 31 Aug 2017 03:27:02 +0000" ], "DKIM-Signature": "v=1; a=rsa-sha256; c=relaxed/relaxed;\n\td=CAVIUMNETWORKS.onmicrosoft.com; s=selector1-cavium-com;\n\th=From:Date:Subject:Message-ID:Content-Type:MIME-Version;\n\tbh=vWiMvD1NUzFxE8SHkDvxUN3Z1vJPWlaBEpT7UvZWIlY=;\n\tb=c0lqe4uXuVRgse1svyn9jxFBzHXoByLAUTgWRTSOeijRKEZXyx3g4R/37uYQ+Hh2Rqbk3n6AXcoCIJ/EEFg5MJGi99FUtEYCEc6zq8oow2M54v4QHHDhfUAq9L0OO6NnzXaPL8tpeI2HlxJc9U+T33BgLubrmaDee/saeu6E+ZM=", "Authentication-Results": "spf=none (sender IP is )\n\tsmtp.mailfrom=Santosh.Shukla@cavium.com; ", "From": "Santosh Shukla <santosh.shukla@caviumnetworks.com>", "To": "dev@dpdk.org", "Cc": "thomas@monjalon.net, jerin.jacob@caviumnetworks.com,\n\themant.agrawal@nxp.com, olivier.matz@6wind.com,\n\tmaxime.coquelin@redhat.com, \n\tsergio.gonzalez.monroy@intel.com, bruce.richardson@intel.com,\n\tshreyansh.jain@nxp.com, gaetan.rivet@6wind.com,\n\tanatoly.burakov@intel.com, \n\tstephen@networkplumber.org, aconole@redhat.com,\n\tSantosh Shukla <santosh.shukla@caviumnetworks.com>", "Date": "Thu, 31 Aug 2017 03:26:11 +0000", "Message-Id": "<20170831032618.7120-3-santosh.shukla@caviumnetworks.com>", "X-Mailer": "git-send-email 2.13.0", "In-Reply-To": "<20170831032618.7120-1-santosh.shukla@caviumnetworks.com>", "References": "<20170814161059.6684-1-santosh.shukla@caviumnetworks.com>\n\t<20170831032618.7120-1-santosh.shukla@caviumnetworks.com>", "MIME-Version": "1.0", "Content-Type": "text/plain", "X-Originating-IP": "[111.93.218.67]", "X-ClientProxiedBy": "PN1PR01CA0118.INDPRD01.PROD.OUTLOOK.COM (10.174.144.34) To\n\tBN6PR07MB3089.namprd07.prod.outlook.com (10.172.105.7)", "X-MS-PublicTrafficType": "Email", "X-MS-Office365-Filtering-Correlation-Id": "9b46c25e-fd6b-4094-8d94-08d4f02027bb", "X-Microsoft-Antispam": "UriScan:; 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PCL:0;\n\tRULEID:(100000700101)(100105000095)(100000701101)(100105300095)(100000702101)(100105100095)(6040450)(601004)(2401047)(5005006)(8121501046)(10201501046)(3002001)(100000703101)(100105400095)(93006095)(6041248)(20161123558100)(201703131423075)(201702281528075)(201703061421075)(201703061406153)(20161123564025)(20161123562025)(20161123555025)(20161123560025)(6072148)(201708071742011)(100000704101)(100105200095)(100000705101)(100105500095);\n\tSRVR:BN6PR07MB3089; BCL:0; PCL:0;\n\tRULEID:(100000800101)(100110000095)(100000801101)(100110300095)(100000802101)(100110100095)(100000803101)(100110400095)(100000804101)(100110200095)(100000805101)(100110500095);\n\tSRVR:BN6PR07MB3089; ", "X-Forefront-PRVS": "04163EF38A", "X-Forefront-Antispam-Report": "SFV:NSPM;\n\tSFS:(10009020)(6069001)(6009001)(199003)(189002)(81156014)(8936002)(81166006)(8676002)(7736002)(6666003)(5003940100001)(305945005)(2950100002)(7416002)(2906002)(6916009)(42882006)(76176999)(50986999)(101416001)(50226002)(5660300001)(6486002)(6506006)(48376002)(50466002)(72206003)(5890100001)(36756003)(97736004)(478600001)(189998001)(42186005)(2361001)(2351001)(33646002)(106356001)(105586002)(110136004)(107886003)(5009440100003)(8656003)(6512007)(53936002)(4326008)(68736007)(1076002)(6116002)(3846002)(66066001)(47776003)(25786009);\n\tDIR:OUT; SFP:1101; SCL:1; SRVR:BN6PR07MB3089; H:localhost.localdomain;\n\tFPR:; \n\tSPF:None; PTR:InfoNoRecords; A:1; MX:1; LANG:en; ", "Received-SPF": "None (protection.outlook.com: cavium.com does not designate\n\tpermitted sender hosts)", "SpamDiagnosticOutput": "1:99", "SpamDiagnosticMetadata": "NSPM", "X-OriginatorOrg": "caviumnetworks.com", "X-MS-Exchange-CrossTenant-OriginalArrivalTime": "31 Aug 2017 03:27:02.5464\n\t(UTC)", "X-MS-Exchange-CrossTenant-FromEntityHeader": "Hosted", "X-MS-Exchange-CrossTenant-Id": "711e4ccf-2e9b-4bcf-a551-4094005b6194", "X-MS-Exchange-Transport-CrossTenantHeadersStamped": "BN6PR07MB3089", "Subject": "[dpdk-dev] [PATCH v7 2/9] eal/pci: get iommu class", "X-BeenThere": "dev@dpdk.org", "X-Mailman-Version": "2.1.15", "Precedence": "list", "List-Id": "DPDK patches and discussions <dev.dpdk.org>", "List-Unsubscribe": "<http://dpdk.org/ml/options/dev>,\n\t<mailto:dev-request@dpdk.org?subject=unsubscribe>", "List-Archive": "<http://dpdk.org/ml/archives/dev/>", "List-Post": "<mailto:dev@dpdk.org>", "List-Help": "<mailto:dev-request@dpdk.org?subject=help>", "List-Subscribe": "<http://dpdk.org/ml/listinfo/dev>,\n\t<mailto:dev-request@dpdk.org?subject=subscribe>", "Errors-To": "dev-bounces@dpdk.org", "Sender": "\"dev\" <dev-bounces@dpdk.org>" }, "content": "Introducing rte_pci_get_iommu_class API which helps to get iommu class\nof PCI device on the bus and returns preferred iova mapping mode for\nPCI bus.\n\nPatch also add rte_pci_get_iommu_class definition for bsdapp,\nin bsdapp case - api returns default iova mode.\n\nSigned-off-by: Santosh Shukla <santosh.shukla@caviumnetworks.com>\nSigned-off-by: Jerin Jacob <jerin.jacob@caviumnetworks.com>\nReviewed-by: Maxime Coquelin <maxime.coquelin@redhat.com>\n---\nv6 --> v7:\n- squashed v6 series patch [02/12] & [03/12] (Aaron comment).\n\n lib/librte_eal/bsdapp/eal/eal_pci.c | 10 ++++++++++\n lib/librte_eal/bsdapp/eal/rte_eal_version.map | 1 +\n lib/librte_eal/common/include/rte_bus.h | 10 ++++++++++\n lib/librte_eal/common/include/rte_pci.h | 11 +++++++++++\n 4 files changed, 32 insertions(+)", "diff": "diff --git a/lib/librte_eal/bsdapp/eal/eal_pci.c b/lib/librte_eal/bsdapp/eal/eal_pci.c\nindex 04eacdcc7..e2c252320 100644\n--- a/lib/librte_eal/bsdapp/eal/eal_pci.c\n+++ b/lib/librte_eal/bsdapp/eal/eal_pci.c\n@@ -403,6 +403,16 @@ rte_pci_scan(void)\n \treturn -1;\n }\n \n+/*\n+ * Get iommu class of pci devices on the bus.\n+ */\n+enum rte_iova_mode\n+rte_pci_get_iommu_class(void)\n+{\n+\t/* Supports only RTE_KDRV_NIC_UIO */\n+\treturn RTE_IOVA_PA;\n+}\n+\n int\n pci_update_device(const struct rte_pci_addr *addr)\n {\ndiff --git a/lib/librte_eal/bsdapp/eal/rte_eal_version.map b/lib/librte_eal/bsdapp/eal/rte_eal_version.map\nindex c819e3084..1fdcfb460 100644\n--- a/lib/librte_eal/bsdapp/eal/rte_eal_version.map\n+++ b/lib/librte_eal/bsdapp/eal/rte_eal_version.map\n@@ -242,5 +242,6 @@ DPDK_17.11 {\n \tglobal:\n \n \trte_pci_match;\n+\trte_pci_get_iommu_class;\n \n } DPDK_17.08;\ndiff --git a/lib/librte_eal/common/include/rte_bus.h b/lib/librte_eal/common/include/rte_bus.h\nindex c79368d3c..9e40687e5 100644\n--- a/lib/librte_eal/common/include/rte_bus.h\n+++ b/lib/librte_eal/common/include/rte_bus.h\n@@ -55,6 +55,16 @@ extern \"C\" {\n /** Double linked list of buses */\n TAILQ_HEAD(rte_bus_list, rte_bus);\n \n+\n+/**\n+ * IOVA mapping mode.\n+ */\n+enum rte_iova_mode {\n+\tRTE_IOVA_DC = 0,\t/* Don't care mode */\n+\tRTE_IOVA_PA = (1 << 0),\n+\tRTE_IOVA_VA = (1 << 1)\n+};\n+\n /**\n * Bus specific scan for devices attached on the bus.\n * For each bus object, the scan would be responsible for finding devices and\ndiff --git a/lib/librte_eal/common/include/rte_pci.h b/lib/librte_eal/common/include/rte_pci.h\nindex eab84c7a4..0e36de093 100644\n--- a/lib/librte_eal/common/include/rte_pci.h\n+++ b/lib/librte_eal/common/include/rte_pci.h\n@@ -381,6 +381,17 @@ int\n rte_pci_match(const struct rte_pci_driver *pci_drv,\n \t const struct rte_pci_device *pci_dev);\n \n+\n+/**\n+ * Get iommu class of PCI devices on the bus.\n+ * And return their preferred iova mapping mode.\n+ *\n+ * @return\n+ * - enum rte_iova_mode.\n+ */\n+enum rte_iova_mode\n+rte_pci_get_iommu_class(void);\n+\n /**\n * Map the PCI device resources in user space virtual memory address\n *\n", "prefixes": [ "dpdk-dev", "v7", "2/9" ] }