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GET /api/patches/21375/?format=api
{ "id": 21375, "url": "http://patches.dpdk.org/api/patches/21375/?format=api", "web_url": "http://patches.dpdk.org/project/dpdk/patch/1488562101-6658-18-git-send-email-jerin.jacob@caviumnetworks.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": "<1488562101-6658-18-git-send-email-jerin.jacob@caviumnetworks.com>", "list_archive_url": "https://inbox.dpdk.org/dev/1488562101-6658-18-git-send-email-jerin.jacob@caviumnetworks.com", "date": "2017-03-03T17:27:59", "name": "[dpdk-dev,17/39] event/octeontx: add SSO HW device operations", "commit_ref": null, "pull_url": null, "state": "superseded", "archived": true, "hash": "0f9606b75019b79bd97baecf3a691962327535e2", "submitter": { "id": 305, "url": "http://patches.dpdk.org/api/people/305/?format=api", "name": "Jerin Jacob", "email": "jerin.jacob@caviumnetworks.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/1488562101-6658-18-git-send-email-jerin.jacob@caviumnetworks.com/mbox/", "series": [], "comments": "http://patches.dpdk.org/api/patches/21375/comments/", "check": "warning", "checks": "http://patches.dpdk.org/api/patches/21375/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 697E3FAC0;\n\tFri, 3 Mar 2017 18:30:07 +0100 (CET)", "from NAM01-BN3-obe.outbound.protection.outlook.com\n\t(mail-bn3nam01on0081.outbound.protection.outlook.com [104.47.33.81])\n\tby dpdk.org (Postfix) with ESMTP id 64C0DF97C\n\tfor <dev@dpdk.org>; Fri, 3 Mar 2017 18:30:06 +0100 (CET)", "from localhost.localdomain.localdomain (14.140.2.178) by\n\tBN3PR0701MB1719.namprd07.prod.outlook.com (10.163.39.18) with\n\tMicrosoft SMTP Server (version=TLS1_2,\n\tcipher=TLS_ECDHE_RSA_WITH_AES_256_CBC_SHA384_P384) id\n\t15.1.933.12; Fri, 3 Mar 2017 17:30:01 +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=sFYWo5T3XuAGvTx2G121N/9FEhOgYIyM031WEf7tFsU=;\n\tb=lGqzrJDjyql/ySiiV10BRGMC5L2Q5pKpRZsez0NkdBiz/qSV6OSKsA/F1wd1zthLRMqNjnvYh5KdPqTy3ufUHhPvd5cU78TMUvj9XzS24/ZBk1oe/EToQ5LAWc2OkhpzVWbuT/HO/UeeDdx2G7/oLqBljomIW96miiqHHdCCor0=", "Authentication-Results": "dpdk.org; dkim=none (message not signed)\n\theader.d=none;dpdk.org; dmarc=none action=none\n\theader.from=caviumnetworks.com;", "From": "Jerin Jacob <jerin.jacob@caviumnetworks.com>", "To": "dev@dpdk.org", "Cc": "thomas.monjalon@6wind.com, bruce.richardson@intel.com,\n\tharry.van.haaren@intel.com, hemant.agrawal@nxp.com, gage.eads@intel.com, \n\tnipun.gupta@nxp.com, santosh.shukla@caviumnetworks.com,\n\tJerin Jacob <jerin.jacob@caviumnetworks.com>", "Date": "Fri, 3 Mar 2017 22:57:59 +0530", "Message-Id": "<1488562101-6658-18-git-send-email-jerin.jacob@caviumnetworks.com>", "X-Mailer": "git-send-email 2.5.5", "In-Reply-To": "<1488562101-6658-1-git-send-email-jerin.jacob@caviumnetworks.com>", "References": "<1488562101-6658-1-git-send-email-jerin.jacob@caviumnetworks.com>", "MIME-Version": "1.0", "Content-Type": "text/plain", "X-Originating-IP": "[14.140.2.178]", "X-ClientProxiedBy": "BMXPR01CA0021.INDPRD01.PROD.OUTLOOK.COM (10.174.214.159)\n\tTo\n\tBN3PR0701MB1719.namprd07.prod.outlook.com (10.163.39.18)", "X-MS-Office365-Filtering-Correlation-Id": "2b378ab7-e626-4b5f-8dde-08d4625aedfd", "X-Microsoft-Antispam": "UriScan:; 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PCL:0;\n\tRULEID:(6040375)(601004)(2401047)(8121501046)(5005006)(10201501046)(3002001)(6041248)(20161123555025)(20161123560025)(20161123562025)(20161123558025)(20161123564025)(6072148);\n\tSRVR:BN3PR0701MB1719; BCL:0; PCL:0; RULEID:; SRVR:BN3PR0701MB1719; ", "X-Forefront-PRVS": "0235CBE7D0", "X-Forefront-Antispam-Report": "SFV:NSPM;\n\tSFS:(10009020)(4630300001)(6069001)(6009001)(7916002)(39450400003)(3846002)(50986999)(6116002)(36756003)(81166006)(6512007)(97736004)(2361001)(2351001)(6506006)(5660300001)(42186005)(50226002)(8676002)(106356001)(8656002)(2950100002)(2906002)(25786008)(47776003)(6486002)(76176999)(33646002)(7736002)(107886003)(42882006)(66066001)(110136004)(4326008)(38730400002)(6916009)(305945005)(48376002)(92566002)(5009440100003)(5003940100001)(50466002)(189998001)(53936002)(7099028)(110426004)(309714004);\n\tDIR:OUT; SFP:1101; SCL:1; SRVR:BN3PR0701MB1719;\n\tH:localhost.localdomain.localdomain; FPR:; SPF:None; MLV:nov;\n\tPTR:InfoNoRecords; LANG:en; ", "SpamDiagnosticOutput": "1:99", "SpamDiagnosticMetadata": "NSPM", "X-OriginatorOrg": "caviumnetworks.com", "X-MS-Exchange-CrossTenant-OriginalArrivalTime": "03 Mar 2017 17:30:01.1727\n\t(UTC)", "X-MS-Exchange-CrossTenant-FromEntityHeader": "Hosted", "X-MS-Exchange-Transport-CrossTenantHeadersStamped": "BN3PR0701MB1719", "Subject": "[dpdk-dev] [PATCH 17/39] event/octeontx: add SSO HW device\n\toperations", "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": "Signed-off-by: Jerin Jacob <jerin.jacob@caviumnetworks.com>\nSigned-off-by: Santosh Shukla <santosh.shukla@caviumnetworks.com>\n---\n drivers/event/octeontx/Makefile | 5 ++\n drivers/event/octeontx/ssovf_evdev.h | 30 ++++++++\n drivers/event/octeontx/ssovf_worker.c | 140 ++++++++++++++++++++++++++++++++++\n 3 files changed, 175 insertions(+)\n create mode 100644 drivers/event/octeontx/ssovf_worker.c", "diff": "diff --git a/drivers/event/octeontx/Makefile b/drivers/event/octeontx/Makefile\nindex 6e8227b..c921303 100644\n--- a/drivers/event/octeontx/Makefile\n+++ b/drivers/event/octeontx/Makefile\n@@ -46,9 +46,14 @@ LIBABIVER := 1\n #\n # all source are stored in SRCS-y\n #\n+SRCS-$(CONFIG_RTE_LIBRTE_PMD_OCTEONTX_SSOVF) += ssovf_worker.c\n SRCS-$(CONFIG_RTE_LIBRTE_PMD_OCTEONTX_SSOVF) += ssovf_evdev.c\n SRCS-$(CONFIG_RTE_LIBRTE_PMD_OCTEONTX_SSOVF) += ssovf_probe.c\n SRCS-$(CONFIG_RTE_LIBRTE_PMD_OCTEONTX_SSOVF) += ssovf_mbox.c\n+ifeq ($(CONFIG_RTE_TOOLCHAIN_GCC),y)\n+CFLAGS_ssovf_worker.o += -fno-prefetch-loop-arrays\n+endif\n+CFLAGS_ssovf_worker.o += -Ofast\n \n # install this header file\n SYMLINK-$(CONFIG_RTE_LIBRTE_PMD_OCTEONTX_SSOVF)-include := rte_pmd_octeontx_ssovf.h\ndiff --git a/drivers/event/octeontx/ssovf_evdev.h b/drivers/event/octeontx/ssovf_evdev.h\nindex 16bf3d5..16846b8 100644\n--- a/drivers/event/octeontx/ssovf_evdev.h\n+++ b/drivers/event/octeontx/ssovf_evdev.h\n@@ -129,6 +129,36 @@\n #define ssovf_read64 rte_read64_relaxed\n #define ssovf_write64 rte_write64_relaxed\n \n+/* ARM64 specific functions */\n+#if defined(RTE_ARCH_ARM64)\n+#define ssovf_load_pair(val0, val1, addr) ({\t\t\\\n+\t\t\tasm volatile(\t\t\t\\\n+\t\t\t\"ldp %x[x0], %x[x1], [%x[p1]]\"\t\\\n+\t\t\t:[x0]\"=r\"(val0), [x1]\"=r\"(val1) \\\n+\t\t\t:[p1]\"r\"(addr)\t\t\t\\\n+\t\t\t); })\n+\n+#define ssovf_store_pair(val0, val1, addr) ({\t\t\\\n+\t\t\tasm volatile(\t\t\t\\\n+\t\t\t\"stp %x[x0], %x[x1], [%x[p1]]\"\t\\\n+\t\t\t::[x0]\"r\"(val0), [x1]\"r\"(val1), [p1]\"r\"(addr) \\\n+\t\t\t); })\n+#else /* Un optimized functions for building on non arm64 arch */\n+\n+#define ssovf_load_pair(val0, val1, addr)\t\t\\\n+do {\t\t\t\t\t\t\t\\\n+\tval0 = rte_read64(addr);\t\t\t\\\n+\tval1 = rte_read64(((uint8_t *)addr) + 8);\t\\\n+} while (0)\n+\n+#define ssovf_store_pair(val0, val1, addr)\t\t\\\n+do {\t\t\t\t\t\t\t\\\n+\trte_write64(val0, addr);\t\t\t\\\n+\trte_write64(val1, (((uint8_t *)addr) + 8));\t\\\n+} while (0)\n+#endif\n+\n+\n struct ssovf_evdev {\n \tuint8_t max_event_queues;\n \tuint8_t max_event_ports;\ndiff --git a/drivers/event/octeontx/ssovf_worker.c b/drivers/event/octeontx/ssovf_worker.c\nnew file mode 100644\nindex 0000000..8a96076\n--- /dev/null\n+++ b/drivers/event/octeontx/ssovf_worker.c\n@@ -0,0 +1,140 @@\n+/*\n+ * BSD LICENSE\n+ *\n+ * Copyright (C) Cavium networks Ltd. 2017.\n+ *\n+ * Redistribution and use in source and binary forms, with or without\n+ * modification, are permitted provided that the following conditions\n+ * are met:\n+ *\n+ * * Redistributions of source code must retain the above copyright\n+ * notice, this list of conditions and the following disclaimer.\n+ * * Redistributions in binary form must reproduce the above copyright\n+ * notice, this list of conditions and the following disclaimer in\n+ * the documentation and/or other materials provided with the\n+ * distribution.\n+ * * Neither the name of Cavium networks nor the names of its\n+ * contributors may be used to endorse or promote products derived\n+ * from this software without specific prior written permission.\n+ *\n+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS\n+ * \"AS IS\" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT\n+ * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR\n+ * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT\n+ * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,\n+ * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT\n+ * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,\n+ * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY\n+ * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT\n+ * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE\n+ * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.\n+ */\n+\n+\n+#include <rte_common.h>\n+\n+#include \"ssovf_evdev.h\"\n+\n+enum {\n+\tSSO_SYNC_ORDERED,\n+\tSSO_SYNC_ATOMIC,\n+\tSSO_SYNC_UNTAGGED,\n+\tSSO_SYNC_EMPTY\n+};\n+\n+#ifndef force_inline\n+#define force_inline inline __attribute__((always_inline))\n+#endif\n+\n+#ifndef __hot\n+#define __hot\t__attribute__((hot))\n+#endif\n+\n+/* SSO Operations */\n+\n+static force_inline uint16_t\n+ssows_get_work(struct ssows *ws, struct rte_event *ev)\n+{\n+\tuint64_t get_work0, get_work1;\n+\tuint64_t sched_type_queue;\n+\n+\tssovf_load_pair(get_work0, get_work1, ws->getwork);\n+\n+\tsched_type_queue = (get_work0 >> 32) & 0xfff;\n+\tws->cur_tt = sched_type_queue & 0x3;\n+\tws->cur_grp = sched_type_queue >> 2;\n+\tsched_type_queue = sched_type_queue << 38;\n+\n+\tev->event = sched_type_queue | (get_work0 & 0xffffffff);\n+\tev->u64 = get_work1;\n+\treturn !!get_work1;\n+}\n+\n+static force_inline void\n+ssows_add_work(struct ssows *ws, const uint64_t event_ptr, const uint32_t tag,\n+\t\t\tconst uint8_t new_tt, const uint8_t grp)\n+{\n+\tuint64_t add_work0;\n+\n+\tadd_work0 = tag | ((uint64_t)(new_tt) << 32);\n+\tssovf_store_pair(add_work0, event_ptr, ws->grps[grp]);\n+}\n+\n+static force_inline void\n+ssows_swtag_full(struct ssows *ws, const uint64_t event_ptr, const uint32_t tag,\n+\t\t\tconst uint8_t new_tt, const uint8_t grp)\n+{\n+\tuint64_t swtag_full0;\n+\n+\tswtag_full0 = tag | ((uint64_t)(new_tt & 0x3) << 32) |\n+\t\t\t\t((uint64_t)grp << 34);\n+\tssovf_store_pair(swtag_full0, event_ptr, (ws->base +\n+\t\t\t\tSSOW_VHWS_OP_SWTAG_FULL0));\n+}\n+\n+static force_inline void\n+ssows_swtag_desched(struct ssows *ws, uint32_t tag, uint8_t new_tt, uint8_t grp)\n+{\n+\tuint64_t val;\n+\n+\tval = tag | ((uint64_t)(new_tt & 0x3) << 32) | ((uint64_t)grp << 34);\n+\tssovf_write64(val, ws->base + SSOW_VHWS_OP_SWTAG_DESCHED);\n+}\n+\n+static force_inline void\n+ssows_swtag_norm(struct ssows *ws, uint32_t tag, uint8_t new_tt)\n+{\n+\tuint64_t val;\n+\n+\tval = tag | ((uint64_t)(new_tt & 0x3) << 32);\n+\tssovf_write64(val, ws->base + SSOW_VHWS_OP_SWTAG_NORM);\n+}\n+\n+static force_inline void\n+ssows_swtag_untag(struct ssows *ws)\n+{\n+\tssovf_write64(0, ws->base + SSOW_VHWS_OP_SWTAG_UNTAG);\n+\tws->cur_tt = SSO_SYNC_UNTAGGED;\n+}\n+\n+static force_inline void\n+ssows_upd_wqp(struct ssows *ws, uint8_t grp, uint64_t event_ptr)\n+{\n+\tssovf_store_pair((uint64_t)grp << 34, event_ptr, (ws->base +\n+\t\t\t\tSSOW_VHWS_OP_UPD_WQP_GRP0));\n+}\n+\n+static force_inline void\n+ssows_desched(struct ssows *ws)\n+{\n+\tssovf_write64(0, ws->base + SSOW_VHWS_OP_DESCHED);\n+}\n+\n+static force_inline void\n+ssows_swtag_wait(struct ssows *ws)\n+{\n+\t/* Wait for the SWTAG/SWTAG_FULL operation */\n+\twhile (ssovf_read64(ws->base + SSOW_VHWS_SWTP))\n+\t;\n+}\n+\n", "prefixes": [ "dpdk-dev", "17/39" ] }