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GET /api/patches/77488/?format=api
{ "id": 77488, "url": "http://patches.dpdk.org/api/patches/77488/?format=api", "web_url": "http://patches.dpdk.org/project/dpdk/patch/1599851920-16802-6-git-send-email-timothy.mcdaniel@intel.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": "<1599851920-16802-6-git-send-email-timothy.mcdaniel@intel.com>", "list_archive_url": "https://inbox.dpdk.org/dev/1599851920-16802-6-git-send-email-timothy.mcdaniel@intel.com", "date": "2020-09-11T19:18:23", "name": "[v4,05/22] event/dlb: add inline functions", "commit_ref": null, "pull_url": null, "state": "superseded", "archived": true, "hash": "1c453e63190f7ee219d4bf1516bd1bc99821b1aa", "submitter": { "id": 826, "url": "http://patches.dpdk.org/api/people/826/?format=api", "name": "Timothy McDaniel", "email": "timothy.mcdaniel@intel.com" }, "delegate": { "id": 310, "url": "http://patches.dpdk.org/api/users/310/?format=api", "username": "jerin", "first_name": "Jerin", "last_name": "Jacob", "email": "jerinj@marvell.com" }, "mbox": "http://patches.dpdk.org/project/dpdk/patch/1599851920-16802-6-git-send-email-timothy.mcdaniel@intel.com/mbox/", "series": [ { "id": 12163, "url": "http://patches.dpdk.org/api/series/12163/?format=api", "web_url": "http://patches.dpdk.org/project/dpdk/list/?series=12163", "date": "2020-09-11T19:18:18", "name": "Add DLB PMD", "version": 4, "mbox": "http://patches.dpdk.org/series/12163/mbox/" } ], "comments": "http://patches.dpdk.org/api/patches/77488/comments/", "check": "success", "checks": "http://patches.dpdk.org/api/patches/77488/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 dpdk.org (dpdk.org [92.243.14.124])\n\tby inbox.dpdk.org (Postfix) with ESMTP id 55022A04C1;\n\tFri, 11 Sep 2020 21:22:50 +0200 (CEST)", "from [92.243.14.124] (localhost [127.0.0.1])\n\tby dpdk.org (Postfix) with ESMTP id 102831C1B7;\n\tFri, 11 Sep 2020 21:22:14 +0200 (CEST)", "from mga12.intel.com (mga12.intel.com [192.55.52.136])\n by dpdk.org (Postfix) with ESMTP id 5E6C81C12A\n for <dev@dpdk.org>; Fri, 11 Sep 2020 21:22:07 +0200 (CEST)", "from fmsmga005.fm.intel.com ([10.253.24.32])\n by fmsmga106.fm.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384;\n 11 Sep 2020 12:22:06 -0700", "from txasoft-yocto.an.intel.com ([10.123.72.192])\n by fmsmga005.fm.intel.com with ESMTP; 11 Sep 2020 12:22:05 -0700" ], "IronPort-SDR": [ "\n 7B7K6U53tSZOUVy5Qd4UcWztOHHp5TrQGF8l1NIFPt/I8r53mH9Frqq1fg12bEFZS07xV0Q2js\n 8f+IzJkqIRLw==", "\n mWcQj/KoOgh4001phut3wVOGG+WzmUop7GR2scpWCcB/EWZR9VnA08EKM7K2uxbfNpIG7D53xF\n awv7fJ8ytNvA==" ], "X-IronPort-AV": [ "E=McAfee;i=\"6000,8403,9741\"; a=\"138352257\"", "E=Sophos;i=\"5.76,416,1592895600\"; d=\"scan'208\";a=\"138352257\"", "E=Sophos;i=\"5.76,416,1592895600\"; d=\"scan'208\";a=\"506375650\"" ], "X-Amp-Result": "SKIPPED(no attachment in message)", "X-Amp-File-Uploaded": "False", "X-ExtLoop1": "1", "From": "Timothy McDaniel <timothy.mcdaniel@intel.com>", "To": "", "Cc": "dev@dpdk.org, erik.g.carrillo@intel.com, gage.eads@intel.com,\n harry.van.haaren@intel.com, jerinj@marvell.com", "Date": "Fri, 11 Sep 2020 14:18:23 -0500", "Message-Id": "<1599851920-16802-6-git-send-email-timothy.mcdaniel@intel.com>", "X-Mailer": "git-send-email 1.7.10", "In-Reply-To": "<1599851920-16802-1-git-send-email-timothy.mcdaniel@intel.com>", "References": "<1599851920-16802-1-git-send-email-timothy.mcdaniel@intel.com>", "Subject": "[dpdk-dev] [PATCH v4 05/22] event/dlb: add inline functions", "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 <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", "Sender": "\"dev\" <dev-bounces@dpdk.org>" }, "content": "Add miscellaneous inline functions that may be called\nfrom multiple files. These functions include inline\nassembly of new x86 instructions, such as movdir64b,\nsince they are not available as builtin functions in\nthe minimum supported GCC version.\n\nSigned-off-by: Timothy McDaniel <timothy.mcdaniel@intel.com>\n---\n drivers/event/dlb/dlb_inline_fns.h | 79 ++++++++++++++++++++++++++++++++++++++\n 1 file changed, 79 insertions(+)\n create mode 100644 drivers/event/dlb/dlb_inline_fns.h", "diff": "diff --git a/drivers/event/dlb/dlb_inline_fns.h b/drivers/event/dlb/dlb_inline_fns.h\nnew file mode 100644\nindex 0000000..1aa5449\n--- /dev/null\n+++ b/drivers/event/dlb/dlb_inline_fns.h\n@@ -0,0 +1,79 @@\n+/* SPDX-License-Identifier: BSD-3-Clause\n+ * Copyright(c) 2016-2020 Intel Corporation\n+ */\n+\n+#include \"rte_memcpy.h\"\n+#include \"rte_io.h\"\n+\n+/* Inline functions required in more than one source file. */\n+\n+static inline struct dlb_eventdev *\n+dlb_pmd_priv(const struct rte_eventdev *eventdev)\n+{\n+\treturn eventdev->data->dev_private;\n+}\n+\n+static inline void\n+dlb_umonitor(volatile void *addr)\n+{\n+\tasm volatile(\".byte 0xf3, 0x0f, 0xae, 0xf7\\t\\n\"\n+\t\t\t:\n+\t\t\t: \"D\" (addr));\n+}\n+\n+static inline void\n+dlb_umwait(int state, uint64_t timeout)\n+{\n+\tuint32_t eax = timeout & UINT32_MAX;\n+\tuint32_t edx = timeout >> 32;\n+\n+\tasm volatile(\".byte 0xf2, 0x0f, 0xae, 0xf7\\t\\n\"\n+\t\t\t:\n+\t\t\t: \"D\" (state), \"a\" (eax), \"d\" (edx));\n+}\n+\n+static inline void\n+dlb_movntdq(void *dest, void *src)\n+{\n+\t/* Move entire 64B cache line of QEs, 128 bits (16B) at a time. */\n+\tlong long *_src = (long long *)src;\n+\t__v2di src_data0 = (__v2di){_src[0], _src[1]};\n+\t__v2di src_data1 = (__v2di){_src[2], _src[3]};\n+\t__v2di src_data2 = (__v2di){_src[4], _src[5]};\n+\t__v2di src_data3 = (__v2di){_src[6], _src[7]};\n+\n+\t__builtin_ia32_movntdq((__v2di *)dest + 0, (__v2di)src_data0);\n+\trte_wmb();\n+\t__builtin_ia32_movntdq((__v2di *)dest + 1, (__v2di)src_data1);\n+\trte_wmb();\n+\t__builtin_ia32_movntdq((__v2di *)dest + 2, (__v2di)src_data2);\n+\trte_wmb();\n+\t__builtin_ia32_movntdq((__v2di *)dest + 3, (__v2di)src_data3);\n+\trte_wmb();\n+}\n+\n+static inline void\n+dlb_movntdq_single(void *dest, void *src)\n+{\n+\tlong long *_src = (long long *)src;\n+\t__v2di src_data0 = (__v2di){_src[0], _src[1]};\n+\n+\t__builtin_ia32_movntdq((__v2di *)dest, (__v2di)src_data0);\n+}\n+\n+static inline void\n+dlb_cldemote(void *addr)\n+{\n+\t/* Load addr into RSI, then demote the cache line of the address\n+\t * contained in that register.\n+\t */\n+\tasm volatile(\".byte 0x0f, 0x1c, 0x06\" :: \"S\" (addr));\n+}\n+\n+static inline void\n+dlb_movdir64b(void *dest, void *src)\n+{\n+\tasm volatile(\".byte 0x66, 0x0f, 0x38, 0xf8, 0x02\"\n+\t\t :\n+\t\t : \"a\" (dest), \"d\" (src));\n+}\n", "prefixes": [ "v4", "05/22" ] }