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{ "id": 46372, "url": "http://patches.dpdk.org/api/covers/46372/?format=api", "web_url": "http://patches.dpdk.org/project/dpdk/cover/20181009112548.7025-1-shreyansh.jain@nxp.com/", "project": { "id": 1, "url": "http://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": "<20181009112548.7025-1-shreyansh.jain@nxp.com>", "list_archive_url": "https://inbox.dpdk.org/dev/20181009112548.7025-1-shreyansh.jain@nxp.com", "date": "2018-10-09T11:25:43", "name": "[v2,0/5] Add a PA-VA Translation table for DPAAx", "submitter": { "id": 497, "url": "http://patches.dpdk.org/api/people/497/?format=api", "name": "Shreyansh Jain", "email": "shreyansh.jain@nxp.com" }, "mbox": "http://patches.dpdk.org/project/dpdk/cover/20181009112548.7025-1-shreyansh.jain@nxp.com/mbox/", "series": [ { "id": 1776, "url": "http://patches.dpdk.org/api/series/1776/?format=api", "web_url": "http://patches.dpdk.org/project/dpdk/list/?series=1776", "date": "2018-10-09T11:25:43", "name": "Add a PA-VA Translation table for DPAAx", "version": 2, "mbox": "http://patches.dpdk.org/series/1776/mbox/" } ], "comments": "http://patches.dpdk.org/api/covers/46372/comments/", "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 [127.0.0.1])\n\tby dpdk.org (Postfix) with ESMTP id 252B81B49B;\n\tTue, 9 Oct 2018 13:26:48 +0200 (CEST)", "from EUR03-VE1-obe.outbound.protection.outlook.com\n\t(mail-eopbgr50083.outbound.protection.outlook.com [40.107.5.83])\n\tby dpdk.org (Postfix) with ESMTP id 2668E1B104\n\tfor <dev@dpdk.org>; Tue, 9 Oct 2018 13:26:46 +0200 (CEST)", "from Tophie.ap.freescale.net (14.142.187.166) by\n\tVI1PR04MB4686.eurprd04.prod.outlook.com (2603:10a6:803:71::14) with\n\tMicrosoft SMTP Server (version=TLS1_2,\n\tcipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id\n\t15.20.1207.27; Tue, 9 Oct 2018 11:26:43 +0000" ], "DKIM-Signature": "v=1; a=rsa-sha256; c=relaxed/relaxed; d=nxp.com; s=selector1;\n\th=From:Date:Subject:Message-ID:Content-Type:MIME-Version:X-MS-Exchange-SenderADCheck;\n\tbh=0sBrtQ3xZhra0l4VZ7q7jcJTG7iwSTHo98+Kttk05Ok=;\n\tb=qyVRKg96Nc/sYl/YIZid0phQ/vPaQYiP0CGXTM0b6dweLSIcWVui6hfEFJLNVeNaEScTaRCyxlNxU7dH2VEd9MSdyV5tHMLlczqRLFlYJuoRLXkIqY77GP3FbMT5dbGnsu9RaCtIUE70kjXObqi+5C7WthFV+xb9WA8v7Wq00qQ=", "Authentication-Results": "spf=none (sender IP is )\n\tsmtp.mailfrom=shreyansh.jain@nxp.com; ", "From": "Shreyansh Jain <shreyansh.jain@nxp.com>", "To": "ferruh.yigit@intel.com", "Cc": "anatoly.burakov@intel.com, dev@dpdk.org,\n\tShreyansh Jain <shreyansh.jain@nxp.com>", "Date": "Tue, 9 Oct 2018 16:55:43 +0530", "Message-Id": "<20181009112548.7025-1-shreyansh.jain@nxp.com>", "X-Mailer": "git-send-email 2.17.1", "In-Reply-To": "<20180925125423.7505-1-shreyansh.jain@nxp.com>", "References": "<20180925125423.7505-1-shreyansh.jain@nxp.com>", "MIME-Version": "1.0", "Content-Type": "text/plain", "X-Originating-IP": "[14.142.187.166]", "X-ClientProxiedBy": "BM1PR01CA0097.INDPRD01.PROD.OUTLOOK.COM\n\t(2603:1096:b00::13)\n\tTo VI1PR04MB4686.eurprd04.prod.outlook.com\n\t(2603:10a6:803:71::14)", "X-MS-PublicTrafficType": "Email", "X-MS-Office365-Filtering-Correlation-Id": "ad47fb6a-cfa4-4b46-2a3c-08d62dda17fb", "X-MS-Office365-Filtering-HT": "Tenant", "X-Microsoft-Antispam": "BCL:0; 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SFP:1101; SCL:1; SRVR:VI1PR04MB4686;\n\tH:Tophie.ap.freescale.net; FPR:; \n\tSPF:None; LANG:en; PTR:InfoNoRecords; A:1; MX:1; ", "Received-SPF": "None (protection.outlook.com: nxp.com does not designate\n\tpermitted sender hosts)", "X-Microsoft-Antispam-Message-Info": "SCn57IBRQyQxT1aiHbwez0P71x/vPtPLThOdXBDjegJciKV1OJJ9JBHj6noFSQdaX6WzQhQcOV27hyJHPF74LaaW11xYjQzFMvHX1e+MCeBbhUwlkB5Lg8xbBnW52Shxbd9nN39YdU9PCLt+ajsHx18bjaQX/g0e8uwuHSeqrp9Hp2nhLTvHf9y4l/0e1XVGIoYMa9Ru18fVY+eXraKc4L13uBYQ4/YuFfICu9Tyyqs1qAd4AOn3Py2YxuDuPWJ+sd43qTVpXzhh7Lr7RMkZRc0z+cR5/2lG3Bt+6DMndcdlrtxkxRdmPNj8Fca895kjORbUC44jf+EPTiRj5kOZnAGmd+CC9J7z1xXSZieaJ8s=", "SpamDiagnosticOutput": "1:99", "SpamDiagnosticMetadata": "NSPM", "X-OriginatorOrg": "nxp.com", "X-MS-Exchange-CrossTenant-OriginalArrivalTime": "09 Oct 2018 11:26:43.8394\n\t(UTC)", "X-MS-Exchange-CrossTenant-Network-Message-Id": "ad47fb6a-cfa4-4b46-2a3c-08d62dda17fb", "X-MS-Exchange-CrossTenant-FromEntityHeader": "Hosted", "X-MS-Exchange-CrossTenant-Id": "686ea1d3-bc2b-4c6f-a92c-d99c5c301635", "X-MS-Exchange-Transport-CrossTenantHeadersStamped": "VI1PR04MB4686", "Subject": "[dpdk-dev] [PATCH v2 0/5] Add a PA-VA Translation table for DPAAx", "X-BeenThere": "dev@dpdk.org", "X-Mailman-Version": "2.1.15", "Precedence": "list", "List-Id": "DPDK patches and discussions <dev.dpdk.org>", "List-Unsubscribe": "<https://mails.dpdk.org/options/dev>,\n\t<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\t<mailto:dev-request@dpdk.org?subject=subscribe>", "Errors-To": "dev-bounces@dpdk.org", "Sender": "\"dev\" <dev-bounces@dpdk.org>" }, "content": "::Background::\nAfter the restructuring of memory in last release(s), one of the\nmajor impact on fslmc/dpaa bus (and its devices) was the performance\ndrop when using physical addressing.\n\nPreviously, it was assumed that physical range was contiguous for\nany given request for hugepage memory. That way, whenever a\nvirtual address was returned, it was easy to fetch physical\nequivalent, in almost constant time.\nBut, with memory hotplug series, that assumption was negated.\nEvery call that device drivers made for rte_mem_virt2iova or\nrte_mem_virt2phy were expensive. (Using IOVA_CONTIG is an app\ndependency which is not a practical option).\n\nFor fslmc, working on Physical or Virtual (IOMMU supported) address\nis an optional thing. For dpaa bus, it is not optional and only\nphysical addressing is supported. Thus, it impacted dpaa bus\nthe most.\n\n::DPAAX PA-VA Table::\n- A simple table containing entries for all physical memory range\n available on a particular SoC (in this case, NXP's LS104x and\n LS20xx series, which are handled by dpaa and fslmc bus,\n respectively). As of now, this is SoC dependent for fetching\n range.\n- We populate the table either through the mempool handler (for\n mempool pinned memory) or through the memory event callbacks\n (for cases where working memory is allocated by application).\n- Though aim is only to translate addresses for descriptors\n which are Rx'd from devices, this is a generic layer which\n should work in other cases as well (though, not the target of\n current testing).\n\n::About patches::\nPatch 1: There was an issue in existing PA/VA mode reporting being\n done by fslmc bus. This patch fixes it.\nPatch 2: Common libraries/commponents can be dependency for the bus\n thus, blocking parallel compilation\nPatch 3: Add the library in common/dpaax. This is a single patch\n as functions are mostly inter-linked.\nPatch 4~5: Add support in dpaa and fslmc bus, respectively.\n It is not possible to unlink the bus and device drivers,\n thus, these patches have blanket change across all drivers.\n\n::Next Steps::\n- Some optimization are required to tune the access pattern of the\n table. These would be posted as additional patches.\n- In case there is any possible split of patches, I will post another\n version. But until then, this is the layout.\n\n::Version History::\nv1->v2:\n - Rework of review comments on v1\n - Removed dpaax_iova_table_del API - that is redundant\n - Changed paax_iova_table_add to paax_iova_table_update to make\n it more relevant\n - Previous patch removed an advertised API (rte_dpaa2_memsegs). This is\n fixed. A deprecation notice would now be sent for removal in next\n release.\n - Rebase on master (5f73c2670f); Also verified on net-next/mater (317f8b01f)\n\nShreyansh Jain (5):\n bus/fslmc: fix physical addressing check\n drivers: common as dependency for bus\n common/dpaax: add library for PA VA translation table\n dpaa: enable dpaax library\n fslmc: enable dpaax library\n\n config/common_base | 5 +\n config/common_linuxapp | 5 +\n drivers/Makefile | 1 +\n drivers/bus/dpaa/Makefile | 1 +\n drivers/bus/dpaa/dpaa_bus.c | 4 +\n drivers/bus/dpaa/meson.build | 2 +-\n drivers/bus/dpaa/rte_dpaa_bus.h | 6 +\n drivers/bus/fslmc/Makefile | 1 +\n drivers/bus/fslmc/fslmc_bus.c | 24 +\n drivers/bus/fslmc/meson.build | 2 +-\n drivers/bus/fslmc/portal/dpaa2_hw_pvt.h | 21 +-\n drivers/common/Makefile | 4 +\n drivers/common/dpaax/Makefile | 31 ++\n drivers/common/dpaax/dpaax_iova_table.c | 456 ++++++++++++++++++\n drivers/common/dpaax/dpaax_iova_table.h | 103 ++++\n drivers/common/dpaax/dpaax_logs.h | 39 ++\n drivers/common/dpaax/meson.build | 12 +\n .../common/dpaax/rte_common_dpaax_version.map | 11 +\n drivers/common/meson.build | 2 +-\n drivers/crypto/dpaa2_sec/Makefile | 1 +\n drivers/crypto/dpaa_sec/Makefile | 1 +\n drivers/crypto/dpaa_sec/dpaa_sec.c | 6 +\n drivers/event/dpaa/Makefile | 1 +\n drivers/event/dpaa2/Makefile | 1 +\n drivers/mempool/dpaa/Makefile | 1 +\n drivers/mempool/dpaa/dpaa_mempool.c | 4 +\n drivers/mempool/dpaa/dpaa_mempool.h | 4 +-\n drivers/mempool/dpaa2/Makefile | 1 +\n drivers/mempool/dpaa2/dpaa2_hw_mempool.c | 29 +-\n drivers/net/dpaa/Makefile | 1 +\n drivers/net/dpaa2/Makefile | 1 +\n drivers/raw/dpaa2_cmdif/Makefile | 1 +\n drivers/raw/dpaa2_qdma/Makefile | 1 +\n mk/rte.app.mk | 2 +\n 34 files changed, 743 insertions(+), 42 deletions(-)\n create mode 100644 drivers/common/dpaax/Makefile\n create mode 100644 drivers/common/dpaax/dpaax_iova_table.c\n create mode 100644 drivers/common/dpaax/dpaax_iova_table.h\n create mode 100644 drivers/common/dpaax/dpaax_logs.h\n create mode 100644 drivers/common/dpaax/meson.build\n create mode 100644 drivers/common/dpaax/rte_common_dpaax_version.map" }