{"id":833151,"url":"http://patchwork.ozlabs.org/api/1.2/patches/833151/?format=json","web_url":"http://patchwork.ozlabs.org/project/netdev/patch/20171102003606.19913-3-david.daney@cavium.com/","project":{"id":7,"url":"http://patchwork.ozlabs.org/api/1.2/projects/7/?format=json","name":"Linux network development","link_name":"netdev","list_id":"netdev.vger.kernel.org","list_email":"netdev@vger.kernel.org","web_url":null,"scm_url":null,"webscm_url":null,"list_archive_url":"","list_archive_url_format":"","commit_url_format":""},"msgid":"<20171102003606.19913-3-david.daney@cavium.com>","list_archive_url":null,"date":"2017-11-02T00:36:01","name":"[2/7] MIPS: Octeon: Enable LMTDMA/LMTST operations.","commit_ref":null,"pull_url":null,"state":"changes-requested","archived":true,"hash":"c32480173261a2d74942fe763a5add5307753f5d","submitter":{"id":8400,"url":"http://patchwork.ozlabs.org/api/1.2/people/8400/?format=json","name":"David Daney","email":"david.daney@cavium.com"},"delegate":{"id":34,"url":"http://patchwork.ozlabs.org/api/1.2/users/34/?format=json","username":"davem","first_name":"David","last_name":"Miller","email":"davem@davemloft.net"},"mbox":"http://patchwork.ozlabs.org/project/netdev/patch/20171102003606.19913-3-david.daney@cavium.com/mbox/","series":[{"id":11414,"url":"http://patchwork.ozlabs.org/api/1.2/series/11414/?format=json","web_url":"http://patchwork.ozlabs.org/project/netdev/list/?series=11414","date":"2017-11-02T00:35:59","name":"Cavium OCTEON-III network driver.","version":1,"mbox":"http://patchwork.ozlabs.org/series/11414/mbox/"}],"comments":"http://patchwork.ozlabs.org/api/patches/833151/comments/","check":"pending","checks":"http://patchwork.ozlabs.org/api/patches/833151/checks/","tags":{},"related":[],"headers":{"Return-Path":"","X-Original-To":"patchwork-incoming@ozlabs.org","Delivered-To":"patchwork-incoming@ozlabs.org","Authentication-Results":["ozlabs.org;\n\tspf=none (mailfrom) smtp.mailfrom=vger.kernel.org\n\t(client-ip=209.132.180.67; helo=vger.kernel.org;\n\tenvelope-from=netdev-owner@vger.kernel.org;\n\treceiver=)","ozlabs.org; dkim=pass (1024-bit key;\n\tunprotected) header.d=CAVIUMNETWORKS.onmicrosoft.com\n\theader.i=@CAVIUMNETWORKS.onmicrosoft.com header.b=\"okgNzUO4\"; \n\tdkim-atps=neutral","spf=none (sender IP is )\n\tsmtp.mailfrom=David.Daney@cavium.com; "],"Received":["from vger.kernel.org (vger.kernel.org [209.132.180.67])\n\tby ozlabs.org (Postfix) with ESMTP id 3yS5mW0TpZz9t2l\n\tfor ;\n\tThu, 2 Nov 2017 11:38:35 +1100 (AEDT)","(majordomo@vger.kernel.org) by vger.kernel.org via listexpand\n\tid S934000AbdKBAgf (ORCPT );\n\tWed, 1 Nov 2017 20:36:35 -0400","from mail-sn1nam02on0042.outbound.protection.outlook.com\n\t([104.47.36.42]:10144\n\t\"EHLO NAM02-SN1-obe.outbound.protection.outlook.com\"\n\trhost-flags-OK-OK-OK-FAIL) by vger.kernel.org with ESMTP\n\tid S933976AbdKBAgc (ORCPT );\n\tWed, 1 Nov 2017 20:36:32 -0400","from ddl.caveonetworks.com (50.233.148.156) by\n\tCY4PR07MB3496.namprd07.prod.outlook.com (10.171.252.153) with\n\tMicrosoft SMTP Server (version=TLS1_2,\n\tcipher=TLS_ECDHE_RSA_WITH_AES_256_CBC_SHA384_P256) id\n\t15.20.178.6; Thu, 2 Nov 2017 00:36:24 +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=H5nBmSZoi7F4q+THjhmGDsxL1SaBD1ybpCKXd/Hxa5g=;\n\tb=okgNzUO42DFC0F5Up4++1qNXMQVYWmDwUCCuytKWZF/uYuAuqTufwN4WM+JXyuSsCNRzu1MAJnnfSJPio7t7Uzz7b0Wxb1ikMTieo8c7DBSL4CZpYgp+Yl+RsfQroUGWwScMeb3alJ+ZGfSQyS2VYamfeeE0oEd3gSIQfDN83Ww=","From":"David Daney ","To":"linux-mips@linux-mips.org, ralf@linux-mips.org,\n\tJames Hogan , netdev@vger.kernel.org,\n\t\"David S. 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Hill\" ,\n\tDavid Daney ","Subject":"[PATCH 2/7] MIPS: Octeon: Enable LMTDMA/LMTST operations.","Date":"Wed, 1 Nov 2017 17:36:01 -0700","Message-Id":"<20171102003606.19913-3-david.daney@cavium.com>","X-Mailer":"git-send-email 2.13.6","In-Reply-To":"<20171102003606.19913-1-david.daney@cavium.com>","References":"<20171102003606.19913-1-david.daney@cavium.com>","MIME-Version":"1.0","Content-Type":"text/plain","X-Originating-IP":"[50.233.148.156]","X-ClientProxiedBy":"CO2PR07CA0072.namprd07.prod.outlook.com (10.174.192.40) To\n\tCY4PR07MB3496.namprd07.prod.outlook.com (10.171.252.153)","X-MS-PublicTrafficType":"Email","X-MS-Office365-Filtering-Correlation-Id":"64443c6f-96b6-43a7-e9ab-08d52189c276","X-Microsoft-Antispam":"UriScan:; BCL:0; PCL:0;\n\tRULEID:(22001)(4534020)(4602075)(2017052603199);\n\tSRVR:CY4PR07MB3496; ","X-Microsoft-Exchange-Diagnostics":["1; CY4PR07MB3496;\n\t3:01BZ9c1neGNAFwefgRcK+KmxYB1h+CwhLScRldSbzFR2Wx2T+m0B0JMm/tCTmfQgC+S2DRRMSWTMpZDVFYpvNnX+4wB6CVwPKYQApf38dxjzpFSkFn83M8YTyMwsqUjOqN6G1qsuzFD1jki3RJHG9Rm4vQhwdsmvk3zdQfpJnKmyMwRBg4nE+6KDbLuvGrT/LfSEu7STTh0ostqdEU7KGQnfpJ2pA8XJamCE4sWSyRCJa4h6XFwn+xPZRAL9u64o;\n\t25:e83wnpinb6B0jZR8UJ6DB5zvvonk10ZK6OmtxDkMHgf2ILr4hOQH5erpUuutKFUygPfeoN5A23l9K6NUvpkSmRnCuGhzI5mOY3F5judF9DISCBBl4XUvjksLh2lnZvcuZ6nC8ijILe/yHInbO5nm+8EKzNJI7+zFmdhTBcdWTJfwwX0duzbfhM3LTN/l6+0bSbqAQpB4nUQy1CER2lojnHurafRDZc0PWFiymfo+E5hJcM0o+F3fsjGu9gbinphF9tp5w4B2jDgGhUyo7T/QP0aXBXdBPgK0AUoUpaXphMV6hFknJoK/uagXnXHBb7ub5jQD0vv6rvuD9qslhCw9uw==;\n\t31:mUxY54A6N16o2WUKMV67muLbhWtmDCdgL+RBedg8luB0X1OcJfGMQlNVki9a+R1DDZx6VEpxEZIy8s5TD2e4DrOvl5yYoMFSgBOn/FudUwO4LtInY2m6bDeSvymJ/D+jjQt0WIKaVk6p8E+/Fzhtbud/c+0fYuI5hudEHo9WKRhNopOpSbsRNF8B8D/Z9cqqdHT/S4mGbRfeLmxa0I0Ozo4UEQ/ZGETLXXZ2wdobfOw=","1; 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PCL:0;\n\tRULEID:(100000700101)(100105000095)(100000701101)(100105300095)(100000702101)(100105100095)(6040450)(2401047)(5005006)(8121501046)(10201501046)(93006095)(93001095)(3002001)(100000703101)(100105400095)(3231020)(6041248)(20161123555025)(20161123560025)(20161123562025)(20161123564025)(20161123558100)(201703131423075)(201702281528075)(201703061421075)(201703061406153)(6072148)(201708071742011)(100000704101)(100105200095)(100000705101)(100105500095);\n\tSRVR:CY4PR07MB3496; BCL:0; PCL:0;\n\tRULEID:(100000800101)(100110000095)(100000801101)(100110300095)(100000802101)(100110100095)(100000803101)(100110400095)(100000804101)(100110200095)(100000805101)(100110500095);\n\tSRVR:CY4PR07MB3496; ","X-Forefront-PRVS":"047999FF16","X-Forefront-Antispam-Report":"SFV:NSPM;\n\tSFS:(10009020)(979002)(6009001)(346002)(376002)(189002)(199003)(25786009)(72206003)(16526018)(50226002)(53416004)(7736002)(105586002)(305945005)(101416001)(48376002)(478600001)(50986999)(6506006)(76176999)(50466002)(33646002)(47776003)(5003940100001)(106356001)(107886003)(68736007)(2906002)(4326008)(6666003)(6486002)(2950100002)(6512007)(316002)(110136005)(97736004)(16586007)(54906003)(5660300001)(53936002)(189998001)(3846002)(36756003)(6116002)(8936002)(66066001)(1076002)(8676002)(575784001)(81166006)(81156014)(86362001)(69596002)(969003)(989001)(999001)(1009001)(1019001);\n\tDIR:OUT; SFP:1101; SCL:1; SRVR:CY4PR07MB3496;\n\tH:ddl.caveonetworks.com; FPR:; SPF:None; PTR:InfoNoRecords;\n\tMX:1; A: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":"cavium.com","X-MS-Exchange-CrossTenant-OriginalArrivalTime":"02 Nov 2017 00:36:24.0535\n\t(UTC)","X-MS-Exchange-CrossTenant-Network-Message-Id":"64443c6f-96b6-43a7-e9ab-08d52189c276","X-MS-Exchange-CrossTenant-FromEntityHeader":"Hosted","X-MS-Exchange-CrossTenant-Id":"711e4ccf-2e9b-4bcf-a551-4094005b6194","X-MS-Exchange-Transport-CrossTenantHeadersStamped":"CY4PR07MB3496","Sender":"netdev-owner@vger.kernel.org","Precedence":"bulk","List-ID":"","X-Mailing-List":"netdev@vger.kernel.org"},"content":"From: Carlos Munoz \n\nLMTDMA/LMTST operations move data between cores and I/O devices:\n\n* LMTST operations can send an address and a variable length\n (up to 128 bytes) of data to an I/O device.\n* LMTDMA operations can send an address and a variable length\n (up to 128) of data to the I/O device and then return a\n variable length (up to 128 bytes) response from the IOI device.\n\nSigned-off-by: Carlos Munoz \nSigned-off-by: Steven J. Hill \nSigned-off-by: David Daney \n---\n arch/mips/cavium-octeon/setup.c | 6 ++++++\n arch/mips/include/asm/octeon/octeon.h | 12 ++++++++++--\n 2 files changed, 16 insertions(+), 2 deletions(-)","diff":"diff --git a/arch/mips/cavium-octeon/setup.c b/arch/mips/cavium-octeon/setup.c\nindex a8034d0dcade..99e6a68bc652 100644\n--- a/arch/mips/cavium-octeon/setup.c\n+++ b/arch/mips/cavium-octeon/setup.c\n@@ -609,6 +609,12 @@ void octeon_user_io_init(void)\n #else\n \tcvmmemctl.s.cvmsegenak = 0;\n #endif\n+\tif (OCTEON_IS_OCTEON3()) {\n+\t\t/* Enable LMTDMA */\n+\t\tcvmmemctl.s.lmtena = 1;\n+\t\t/* Scratch line to use for LMT operation */\n+\t\tcvmmemctl.s.lmtline = 2;\n+\t}\n \t/* R/W If set, CVMSEG is available for loads/stores in\n \t * supervisor mode. */\n \tcvmmemctl.s.cvmsegenas = 0;\ndiff --git a/arch/mips/include/asm/octeon/octeon.h b/arch/mips/include/asm/octeon/octeon.h\nindex c99c4b6a79f4..92a17d67c1fa 100644\n--- a/arch/mips/include/asm/octeon/octeon.h\n+++ b/arch/mips/include/asm/octeon/octeon.h\n@@ -179,7 +179,15 @@ union octeon_cvmemctl {\n \t\t/* RO 1 = BIST fail, 0 = BIST pass */\n \t\t__BITFIELD_FIELD(uint64_t wbfbist:1,\n \t\t/* Reserved */\n-\t\t__BITFIELD_FIELD(uint64_t reserved:17,\n+\t\t__BITFIELD_FIELD(uint64_t reserved_52_57:6,\n+\t\t/* When set, LMTDMA/LMTST operations are permitted */\n+\t\t__BITFIELD_FIELD(uint64_t lmtena:1,\n+\t\t/* Selects the CVMSEG LM cacheline used by LMTDMA\n+\t\t * LMTST and wide atomic store operations.\n+\t\t */\n+\t\t__BITFIELD_FIELD(uint64_t lmtline:6,\n+\t\t/* Reserved */\n+\t\t__BITFIELD_FIELD(uint64_t reserved_41_44:4,\n \t\t/* OCTEON II - TLB replacement policy: 0 = bitmask LRU; 1 = NLU.\n \t\t * This field selects between the TLB replacement policies:\n \t\t * bitmask LRU or NLU. Bitmask LRU maintains a mask of\n@@ -275,7 +283,7 @@ union octeon_cvmemctl {\n \t\t/* R/W Size of local memory in cache blocks, 54 (6912\n \t\t * bytes) is max legal value. */\n \t\t__BITFIELD_FIELD(uint64_t lmemsz:6,\n-\t\t;)))))))))))))))))))))))))))))))))\n+\t\t;))))))))))))))))))))))))))))))))))))\n \t} s;\n };\n \n","prefixes":["2/7"]}