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GET /api/patches/46698/?format=api
{ "id": 46698, "url": "http://patches.dpdk.org/api/patches/46698/?format=api", "web_url": "http://patches.dpdk.org/project/dpdk/patch/5b263410a8c36c1cbf751142e930a73ab3064621.1539338074.git.igor.russkikh@aquantia.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": "<5b263410a8c36c1cbf751142e930a73ab3064621.1539338074.git.igor.russkikh@aquantia.com>", "list_archive_url": "https://inbox.dpdk.org/dev/5b263410a8c36c1cbf751142e930a73ab3064621.1539338074.git.igor.russkikh@aquantia.com", "date": "2018-10-12T11:09:08", "name": "[v6,03/22] net/atlantic: add hardware registers access routines", "commit_ref": null, "pull_url": null, "state": "accepted", "archived": true, "hash": "24bf9640c851c04fa3414fe27f9b484f38c39ba0", "submitter": { "id": 1124, "url": "http://patches.dpdk.org/api/people/1124/?format=api", "name": "Igor Russkikh", "email": "igor.russkikh@aquantia.com" }, "delegate": { "id": 319, "url": "http://patches.dpdk.org/api/users/319/?format=api", "username": "fyigit", "first_name": "Ferruh", "last_name": "Yigit", "email": "ferruh.yigit@amd.com" }, "mbox": "http://patches.dpdk.org/project/dpdk/patch/5b263410a8c36c1cbf751142e930a73ab3064621.1539338074.git.igor.russkikh@aquantia.com/mbox/", "series": [ { "id": 1862, "url": "http://patches.dpdk.org/api/series/1862/?format=api", "web_url": "http://patches.dpdk.org/project/dpdk/list/?series=1862", "date": "2018-10-12T11:09:01", "name": "net/atlantic: Aquantia aQtion 10G NIC Family DPDK PMD driver", "version": 6, "mbox": "http://patches.dpdk.org/series/1862/mbox/" } ], "comments": "http://patches.dpdk.org/api/patches/46698/comments/", "check": "success", "checks": "http://patches.dpdk.org/api/patches/46698/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 [127.0.0.1])\n\tby dpdk.org (Postfix) with ESMTP id 7B4491B552;\n\tFri, 12 Oct 2018 13:09:13 +0200 (CEST)", "from NAM05-CO1-obe.outbound.protection.outlook.com\n\t(mail-eopbgr720062.outbound.protection.outlook.com [40.107.72.62])\n\tby dpdk.org (Postfix) with ESMTP id B45431B557\n\tfor <dev@dpdk.org>; Fri, 12 Oct 2018 13:09:10 +0200 (CEST)", "from BY1PR0701MB1660.namprd07.prod.outlook.com (10.162.110.22) by\n\tBY1PR0701MB1879.namprd07.prod.outlook.com (10.162.143.149) with\n\tMicrosoft SMTP Server (version=TLS1_2,\n\tcipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id\n\t15.20.1207.26; Fri, 12 Oct 2018 11:09:08 +0000", "from BY1PR0701MB1660.namprd07.prod.outlook.com\n\t([fe80::346d:e756:e70e:17]) by\n\tBY1PR0701MB1660.namprd07.prod.outlook.com\n\t([fe80::346d:e756:e70e:17%3]) with mapi id 15.20.1228.020;\n\tFri, 12 Oct 2018 11:09:08 +0000" ], "DKIM-Signature": "v=1; a=rsa-sha256; c=relaxed/relaxed;\n\td=AQUANTIA1COM.onmicrosoft.com; s=selector1-aquantia-com;\n\th=From:Date:Subject:Message-ID:Content-Type:MIME-Version:X-MS-Exchange-SenderADCheck;\n\tbh=M67Ae2jQX59iRHihVErnTHBmM6cCjuFcgpBbDMOGnlQ=;\n\tb=Lo3vkmKY16PKlinSqpBUOGUZMuyQIOn0glIbKjn7mzitRlyCCmcdVmhTHxDy6e4Fp9swVHWDvMrN4D08/Wzg2+v7B36y/ZTex/Y0Pp+90X3Z09h5Y66Sqa42Tanda0CqusY1ah3zs/BY7J5KQviXf/2O2goiZysOI9ijrF/+u3A=", "From": "Igor Russkikh <Igor.Russkikh@aquantia.com>", "To": "\"dev@dpdk.org\" <dev@dpdk.org>", "CC": "Pavel Belous <Pavel.Belous@aquantia.com>, Igor Russkikh\n\t<Igor.Russkikh@aquantia.com>, \"ferruh.yigit@intel.com\"\n\t<ferruh.yigit@intel.com>", "Thread-Topic": "[PATCH v6 03/22] net/atlantic: add hardware registers access\n\troutines", "Thread-Index": "AQHUYhv/lMFW7oxTK0O/fgVgfrlbTA==", "Date": "Fri, 12 Oct 2018 11:09:08 +0000", "Message-ID": "<5b263410a8c36c1cbf751142e930a73ab3064621.1539338074.git.igor.russkikh@aquantia.com>", "References": "<cover.1539338074.git.igor.russkikh@aquantia.com>", "In-Reply-To": "<cover.1539338074.git.igor.russkikh@aquantia.com>", "Accept-Language": "en-US", "Content-Language": "en-US", "X-MS-Has-Attach": "", "X-MS-TNEF-Correlator": "", "x-clientproxiedby": "AM5PR0701CA0008.eurprd07.prod.outlook.com\n\t(2603:10a6:203:51::18) To BY1PR0701MB1660.namprd07.prod.outlook.com\n\t(2a01:111:e400:522a::22)", "authentication-results": "spf=none (sender IP is )\n\tsmtp.mailfrom=Igor.Russkikh@aquantia.com; ", "x-ms-exchange-messagesentrepresentingtype": "1", "x-originating-ip": "[95.79.108.179]", "x-ms-publictraffictype": "Email", "x-microsoft-exchange-diagnostics": "1; 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"BY1PR0701MB1879", "Subject": "[dpdk-dev] [PATCH v6 03/22] net/atlantic: add hardware registers\n\taccess routines", "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": "Add implementation for hardware registers access routines.\n\nSigned-off-by: Igor Russkikh <igor.russkikh@aquantia.com>\nSigned-off-by: Pavel Belous <pavel.belous@aquantia.com>\n---\n drivers/net/atlantic/Makefile | 1 +\n drivers/net/atlantic/atl_hw_regs.c | 52 +++++++++++++++++++++++++++++++++++++\n drivers/net/atlantic/atl_hw_regs.h | 53 ++++++++++++++++++++++++++++++++++++++\n drivers/net/atlantic/atl_types.h | 4 +++\n drivers/net/atlantic/meson.build | 1 +\n 5 files changed, 111 insertions(+)\n create mode 100644 drivers/net/atlantic/atl_hw_regs.c\n create mode 100644 drivers/net/atlantic/atl_hw_regs.h", "diff": "diff --git a/drivers/net/atlantic/Makefile b/drivers/net/atlantic/Makefile\nindex e42ce5b178ab..8613ced71732 100644\n--- a/drivers/net/atlantic/Makefile\n+++ b/drivers/net/atlantic/Makefile\n@@ -23,5 +23,6 @@ LDLIBS += -lrte_bus_pci\n # all source are stored in SRCS-y\n #\n SRCS-$(CONFIG_RTE_LIBRTE_ATLANTIC_PMD) += atl_ethdev.c\n+SRCS-$(CONFIG_RTE_LIBRTE_ATLANTIC_PMD) += atl_hw_regs.c\n \n include $(RTE_SDK)/mk/rte.lib.mk\ndiff --git a/drivers/net/atlantic/atl_hw_regs.c b/drivers/net/atlantic/atl_hw_regs.c\nnew file mode 100644\nindex 000000000000..bd42c8341e2b\n--- /dev/null\n+++ b/drivers/net/atlantic/atl_hw_regs.c\n@@ -0,0 +1,52 @@\n+// SPDX-License-Identifier: (BSD-3-Clause OR GPL-2.0)\n+/* Copyright (C) 2014-2017 aQuantia Corporation. */\n+\n+/* File aq_hw_utils.c: Definitions of helper functions used across\n+ * hardware layer.\n+ */\n+\n+#include \"atl_hw_regs.h\"\n+\n+#include <rte_io.h>\n+#include <rte_byteorder.h>\n+\n+void aq_hw_write_reg_bit(struct aq_hw_s *aq_hw, u32 addr, u32 msk,\n+\t\t\t u32 shift, u32 val)\n+{\n+\tif (msk ^ ~0) {\n+\t\tu32 reg_old, reg_new;\n+\n+\t\treg_old = aq_hw_read_reg(aq_hw, addr);\n+\t\treg_new = (reg_old & (~msk)) | (val << shift);\n+\n+\t\tif (reg_old != reg_new)\n+\t\t\taq_hw_write_reg(aq_hw, addr, reg_new);\n+\t} else {\n+\t\taq_hw_write_reg(aq_hw, addr, val);\n+\t}\n+}\n+\n+u32 aq_hw_read_reg_bit(struct aq_hw_s *aq_hw, u32 addr, u32 msk, u32 shift)\n+{\n+\treturn ((aq_hw_read_reg(aq_hw, addr) & msk) >> shift);\n+}\n+\n+u32 aq_hw_read_reg(struct aq_hw_s *hw, u32 reg)\n+{\n+\treturn rte_le_to_cpu_32(rte_read32((u8 *)hw->mmio + reg));\n+}\n+\n+void aq_hw_write_reg(struct aq_hw_s *hw, u32 reg, u32 value)\n+{\n+\trte_write32((rte_cpu_to_le_32(value)), (u8 *)hw->mmio + reg);\n+}\n+\n+int aq_hw_err_from_flags(struct aq_hw_s *hw)\n+{\n+\tint err = 0;\n+\n+\tif (aq_hw_read_reg(hw, 0x10U) == ~0U)\n+\t\treturn -ENXIO;\n+\n+\treturn err;\n+}\ndiff --git a/drivers/net/atlantic/atl_hw_regs.h b/drivers/net/atlantic/atl_hw_regs.h\nnew file mode 100644\nindex 000000000000..a2d6ca804e5e\n--- /dev/null\n+++ b/drivers/net/atlantic/atl_hw_regs.h\n@@ -0,0 +1,53 @@\n+/* SPDX-License-Identifier: (BSD-3-Clause OR GPL-2.0) */\n+/* Copyright (C) 2014-2017 aQuantia Corporation. */\n+\n+/* File aq_hw_utils.h: Declaration of helper functions used across hardware\n+ * layer.\n+ */\n+\n+#ifndef AQ_HW_UTILS_H\n+#define AQ_HW_UTILS_H\n+\n+#include <rte_common.h>\n+#include <rte_io.h>\n+#include <rte_byteorder.h>\n+#include <rte_random.h>\n+#include <rte_cycles.h>\n+#include \"atl_common.h\"\n+#include \"atl_types.h\"\n+\n+\n+#ifndef HIDWORD\n+#define LODWORD(_qw) ((u32)(_qw))\n+#define HIDWORD(_qw) ((u32)(((_qw) >> 32) & 0xffffffff))\n+#endif\n+\n+#define AQ_HW_SLEEP(_US_) rte_delay_ms(_US_)\n+\n+#define mdelay rte_delay_ms\n+#define udelay rte_delay_us\n+#define ARRAY_SIZE(arr) (sizeof(arr) / sizeof((arr)[0]))\n+#define BIT(x)\t(1UL << (x))\n+\n+#define AQ_HW_WAIT_FOR(_B_, _US_, _N_) \\\n+do { \\\n+\tunsigned int AQ_HW_WAIT_FOR_i; \\\n+\tfor (AQ_HW_WAIT_FOR_i = _N_; (!(_B_)) && (AQ_HW_WAIT_FOR_i);\\\n+\t--AQ_HW_WAIT_FOR_i) {\\\n+\t\tudelay(_US_); \\\n+\t} \\\n+\tif (!AQ_HW_WAIT_FOR_i) {\\\n+\t\terr = -ETIMEDOUT; \\\n+\t} \\\n+} while (0)\n+\n+#define ATL_WRITE_FLUSH(aq_hw) { (void)aq_hw_read_reg(aq_hw, 0x10); }\n+\n+void aq_hw_write_reg_bit(struct aq_hw_s *aq_hw, u32 addr, u32 msk,\n+\t\t\t u32 shift, u32 val);\n+u32 aq_hw_read_reg_bit(struct aq_hw_s *aq_hw, u32 addr, u32 msk, u32 shift);\n+u32 aq_hw_read_reg(struct aq_hw_s *hw, u32 reg);\n+void aq_hw_write_reg(struct aq_hw_s *hw, u32 reg, u32 value);\n+int aq_hw_err_from_flags(struct aq_hw_s *hw);\n+\n+#endif /* AQ_HW_UTILS_H */\ndiff --git a/drivers/net/atlantic/atl_types.h b/drivers/net/atlantic/atl_types.h\nindex d8c2560807d3..725b0c4dc670 100644\n--- a/drivers/net/atlantic/atl_types.h\n+++ b/drivers/net/atlantic/atl_types.h\n@@ -22,4 +22,8 @@ typedef uint64_t\tu64;\n #define min(a, b)\tRTE_MIN(a, b)\n #define max(a, b)\tRTE_MAX(a, b)\n \n+struct aq_hw_s {\n+\tvoid *mmio;\n+};\n+\n #endif\ndiff --git a/drivers/net/atlantic/meson.build b/drivers/net/atlantic/meson.build\nindex c5a2546ef657..cd6a0f637a7d 100644\n--- a/drivers/net/atlantic/meson.build\n+++ b/drivers/net/atlantic/meson.build\n@@ -3,4 +3,5 @@\n \n sources = files(\n \t'atl_ethdev.c',\n+\t'atl_hw_regs.c',\n )\n", "prefixes": [ "v6", "03/22" ] }