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GET /api/patches/18587/?format=api
{ "id": 18587, "url": "http://patches.dpdk.org/api/patches/18587/?format=api", "web_url": "http://patches.dpdk.org/project/dpdk/patch/1482832175-27199-27-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": "<1482832175-27199-27-git-send-email-jerin.jacob@caviumnetworks.com>", "list_archive_url": "https://inbox.dpdk.org/dev/1482832175-27199-27-git-send-email-jerin.jacob@caviumnetworks.com", "date": "2016-12-27T09:49:32", "name": "[dpdk-dev,v2,26/29] net/qede: use eal I/O device memory read/write API", "commit_ref": null, "pull_url": null, "state": "superseded", "archived": true, "hash": "26b5f5288bc47da7e5310d8f04f9a5633d896ac9", "submitter": { "id": 305, "url": "http://patches.dpdk.org/api/people/305/?format=api", "name": "Jerin Jacob", "email": "jerin.jacob@caviumnetworks.com" }, "delegate": null, "mbox": "http://patches.dpdk.org/project/dpdk/patch/1482832175-27199-27-git-send-email-jerin.jacob@caviumnetworks.com/mbox/", "series": [], "comments": "http://patches.dpdk.org/api/patches/18587/comments/", "check": "warning", "checks": "http://patches.dpdk.org/api/patches/18587/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 9D028D4CE;\n\tTue, 27 Dec 2016 10:52:47 +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 2D7BBD4CE\n\tfor <dev@dpdk.org>; Tue, 27 Dec 2016 10:52:41 +0100 (CET)", "from localhost.localdomain.localdomain (202.83.56.97) by\n\tBLUPR0701MB1713.namprd07.prod.outlook.com (10.163.85.14) with\n\tMicrosoft SMTP Server (version=TLS1_2,\n\tcipher=TLS_ECDHE_RSA_WITH_AES_256_CBC_SHA384_P384) id\n\t15.1.803.11; Tue, 27 Dec 2016 09:52:36 +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=fA98RHqiLOA6sYewIk/wXtmNjxazG/S1ppPNsdvd354=;\n\tb=WVJbnyUavQYeanmiVEZMdNPnGvTNDn2rDXv+KNyYsF9vKSQFsyv+sDHsrp6o9C+WQmJmXaxazbCAerz5uVmLi/Z0VFd4UjjUHNHO8Lc3GbEMIrDttPkSVOBzlT8HarSNcfFdZSpOYrdh+7AsY3Tp1o60HTS4A2DrI/bDodstUkA=", "Authentication-Results": "spf=none (sender IP is )\n\tsmtp.mailfrom=Jerin.Jacob@cavium.com; ", "From": "Jerin Jacob <jerin.jacob@caviumnetworks.com>", "To": "<dev@dpdk.org>", "CC": "<konstantin.ananyev@intel.com>, <thomas.monjalon@6wind.com>,\n\t<bruce.richardson@intel.com>, <jianbo.liu@linaro.org>,\n\t<viktorin@rehivetech.com>, <santosh.shukla@caviumnetworks.com>,\n\tHarish Patil\n\t<harish.patil@cavium.com>, Rasesh Mody <rasesh.mody@cavium.com>,\n\tJerin Jacob <jerin.jacob@caviumnetworks.com>", "Date": "Tue, 27 Dec 2016 15:19:32 +0530", "Message-ID": "<1482832175-27199-27-git-send-email-jerin.jacob@caviumnetworks.com>", "X-Mailer": "git-send-email 2.5.5", "In-Reply-To": "<1482832175-27199-1-git-send-email-jerin.jacob@caviumnetworks.com>", "References": "<1481680558-4003-1-git-send-email-jerin.jacob@caviumnetworks.com>\n\t<1482832175-27199-1-git-send-email-jerin.jacob@caviumnetworks.com>", "MIME-Version": "1.0", "Content-Type": "text/plain", "X-Originating-IP": "[202.83.56.97]", "X-ClientProxiedBy": "PN1PR01CA0001.INDPRD01.PROD.OUTLOOK.COM (10.164.137.8) To\n\tBLUPR0701MB1713.namprd07.prod.outlook.com (10.163.85.14)", "X-MS-Office365-Filtering-Correlation-Id": "0cd8fd78-6bcb-47b7-23dc-08d42e3e18a8", "X-Microsoft-Antispam": "UriScan:; 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PCL:0;\n\tRULEID:(6040375)(601004)(2401047)(8121501046)(5005006)(10201501046)(3002001)(6041248)(20161123555025)(20161123560025)(20161123558021)(20161123564025)(20161123562025)(6072148);\n\tSRVR:BLUPR0701MB1713; BCL:0; PCL:0; RULEID:; SRVR:BLUPR0701MB1713; ", "X-Forefront-PRVS": "0169092318", "X-Forefront-Antispam-Report": "SFV:NSPM;\n\tSFS:(10009020)(4630300001)(6009001)(6069001)(7916002)(39450400003)(189002)(199003)(36756003)(68736007)(106356001)(97736004)(50226002)(5660300001)(6916009)(47776003)(42882006)(2950100002)(6666003)(189998001)(25786008)(105586002)(33646002)(107886002)(48376002)(38730400001)(7736002)(92566002)(6486002)(6506006)(6512006)(110136003)(50466002)(305945005)(2351001)(50986999)(76176999)(4001430100002)(3846002)(4326007)(6116002)(5003940100001)(42186005)(81156014)(81166006)(101416001)(8676002)(2906002)(575784001)(66066001);\n\tDIR:OUT; SFP:1101; SCL:1; SRVR:BLUPR0701MB1713;\n\tH:localhost.localdomain.localdomain; 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": "caviumnetworks.com", "X-MS-Exchange-CrossTenant-OriginalArrivalTime": "27 Dec 2016 09:52:36.9264\n\t(UTC)", "X-MS-Exchange-CrossTenant-FromEntityHeader": "Hosted", "X-MS-Exchange-Transport-CrossTenantHeadersStamped": "BLUPR0701MB1713", "Subject": "[dpdk-dev] [PATCH v2 26/29] net/qede: use eal I/O device memory\n\tread/write API", "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": "From: Santosh Shukla <santosh.shukla@caviumnetworks.com>\n\nReplace the raw I/O device memory read/write access with eal\nabstraction for I/O device memory read/write access to fix\nportability issues across different architectures.\n\nCC: Harish Patil <harish.patil@cavium.com>\nCC: Rasesh Mody <rasesh.mody@cavium.com>\nSigned-off-by: Santosh Shukla <santosh.shukla@caviumnetworks.com>\nSigned-off-by: Jerin Jacob <jerin.jacob@caviumnetworks.com>\n---\n drivers/net/qede/base/bcm_osal.h | 20 +++++++++++---------\n drivers/net/qede/base/ecore_int_api.h | 28 +++++++++++++++++++++++-----\n drivers/net/qede/base/ecore_spq.c | 3 ++-\n drivers/net/qede/qede_rxtx.c | 2 +-\n 4 files changed, 37 insertions(+), 16 deletions(-)", "diff": "diff --git a/drivers/net/qede/base/bcm_osal.h b/drivers/net/qede/base/bcm_osal.h\nindex 0b446f2..33d43c6 100644\n--- a/drivers/net/qede/base/bcm_osal.h\n+++ b/drivers/net/qede/base/bcm_osal.h\n@@ -18,6 +18,7 @@\n #include <rte_cycles.h>\n #include <rte_debug.h>\n #include <rte_ether.h>\n+#include <rte_io.h>\n \n /* Forward declaration */\n struct ecore_dev;\n@@ -113,18 +114,18 @@ void *osal_dma_alloc_coherent_aligned(struct ecore_dev *, dma_addr_t *,\n \n /* HW reads/writes */\n \n-#define DIRECT_REG_RD(_dev, _reg_addr) \\\n-\t(*((volatile u32 *) (_reg_addr)))\n+#define DIRECT_REG_RD(_dev, _reg_addr) rte_read32(_reg_addr)\n \n #define REG_RD(_p_hwfn, _reg_offset) \\\n \tDIRECT_REG_RD(_p_hwfn,\t\t\\\n \t\t\t((u8 *)(uintptr_t)(_p_hwfn->regview) + (_reg_offset)))\n \n-#define DIRECT_REG_WR16(_reg_addr, _val) \\\n-\t(*((volatile u16 *)(_reg_addr)) = _val)\n+#define DIRECT_REG_WR16(_reg_addr, _val) rte_write16((_val), (_reg_addr))\n \n-#define DIRECT_REG_WR(_dev, _reg_addr, _val) \\\n-\t(*((volatile u32 *)(_reg_addr)) = _val)\n+#define DIRECT_REG_WR(_dev, _reg_addr, _val) rte_write32((_val), (_reg_addr))\n+\n+#define DIRECT_REG_WR_RELAXED(_dev, _reg_addr, _val) \\\n+\trte_write32_relaxed((_val), (_reg_addr))\n \n #define REG_WR(_p_hwfn, _reg_offset, _val) \\\n \tDIRECT_REG_WR(NULL, \\\n@@ -134,9 +135,10 @@ void *osal_dma_alloc_coherent_aligned(struct ecore_dev *, dma_addr_t *,\n \tDIRECT_REG_WR16(((u8 *)(uintptr_t)(_p_hwfn->regview) + \\\n \t\t\t(_reg_offset)), (u16)_val)\n \n-#define DOORBELL(_p_hwfn, _db_addr, _val) \\\n-\tDIRECT_REG_WR(_p_hwfn, \\\n-\t ((u8 *)(uintptr_t)(_p_hwfn->doorbells) + (_db_addr)), (u32)_val)\n+#define DOORBELL(_p_hwfn, _db_addr, _val)\t\t\t\t\\\n+\tDIRECT_REG_WR_RELAXED((_p_hwfn),\t\t\t\t\\\n+\t\t\t ((u8 *)(uintptr_t)(_p_hwfn->doorbells) +\t\\\n+\t\t\t (_db_addr)), (u32)_val)\n \n /* Mutexes */\n \ndiff --git a/drivers/net/qede/base/ecore_int_api.h b/drivers/net/qede/base/ecore_int_api.h\nindex fc873e7..a0d6a43 100644\n--- a/drivers/net/qede/base/ecore_int_api.h\n+++ b/drivers/net/qede/base/ecore_int_api.h\n@@ -120,19 +120,37 @@ static OSAL_INLINE void __internal_ram_wr(void *p_hwfn,\n }\n \n #ifdef ECORE_CONFIG_DIRECT_HWFN\n+static OSAL_INLINE void __internal_ram_wr_relaxed(struct ecore_hwfn *p_hwfn,\n+\t\t\t\t\t\t void OSAL_IOMEM * addr,\n+\t\t\t\t\t\t int size, u32 *data)\n+#else\n+static OSAL_INLINE void __internal_ram_wr_relaxed(void *p_hwfn,\n+\t\t\t\t\t\t void OSAL_IOMEM * addr,\n+\t\t\t\t\t\t int size, u32 *data)\n+#endif\n+{\n+\tunsigned int i;\n+\n+\tfor (i = 0; i < size / sizeof(*data); i++)\n+\t\tDIRECT_REG_WR_RELAXED(p_hwfn, &((u32 OSAL_IOMEM *)addr)[i],\n+\t\t\t\t data[i]);\n+}\n+\n+#ifdef ECORE_CONFIG_DIRECT_HWFN\n static OSAL_INLINE void internal_ram_wr(struct ecore_hwfn *p_hwfn,\n-\t\t\t\t\tvoid OSAL_IOMEM *addr,\n-\t\t\t\t\tint size, u32 *data)\n+\t\t\t\t\t\tvoid OSAL_IOMEM * addr,\n+\t\t\t\t\t\tint size, u32 *data)\n {\n-\t__internal_ram_wr(p_hwfn, addr, size, data);\n+\t__internal_ram_wr_relaxed(p_hwfn, addr, size, data);\n }\n #else\n static OSAL_INLINE void internal_ram_wr(void OSAL_IOMEM *addr,\n-\t\t\t\t\tint size, u32 *data)\n+\t\t\t\t\t\tint size, u32 *data)\n {\n-\t__internal_ram_wr(OSAL_NULL, addr, size, data);\n+\t__internal_ram_wr_relaxed(OSAL_NULL, addr, size, data);\n }\n #endif\n+\n #endif\n \n struct ecore_hwfn;\ndiff --git a/drivers/net/qede/base/ecore_spq.c b/drivers/net/qede/base/ecore_spq.c\nindex 0d744dd..6e5ce5d 100644\n--- a/drivers/net/qede/base/ecore_spq.c\n+++ b/drivers/net/qede/base/ecore_spq.c\n@@ -248,7 +248,8 @@ static enum _ecore_status_t ecore_spq_hw_post(struct ecore_hwfn *p_hwfn,\n \t/* make sure the SPQE is updated before the doorbell */\n \tOSAL_WMB(p_hwfn->p_dev);\n \n-\tDOORBELL(p_hwfn, DB_ADDR(p_spq->cid, DQ_DEMS_LEGACY), *(u32 *)&db);\n+\tDOORBELL(p_hwfn, DB_ADDR(p_spq->cid, DQ_DEMS_LEGACY),\n+\t\t *(u32 *)&db);\n \n \t/* make sure doorbell is rang */\n \tOSAL_WMB(p_hwfn->p_dev);\ndiff --git a/drivers/net/qede/qede_rxtx.c b/drivers/net/qede/qede_rxtx.c\nindex 2e181c8..e1e9956 100644\n--- a/drivers/net/qede/qede_rxtx.c\n+++ b/drivers/net/qede/qede_rxtx.c\n@@ -1246,7 +1246,7 @@ qede_xmit_pkts(void *p_txq, struct rte_mbuf **tx_pkts, uint16_t nb_pkts)\n \ttxq->tx_db.data.bd_prod = bd_prod;\n \trte_wmb();\n \trte_compiler_barrier();\n-\tDIRECT_REG_WR(edev, txq->doorbell_addr, txq->tx_db.raw);\n+\tDIRECT_REG_WR_RELAXED(edev, txq->doorbell_addr, txq->tx_db.raw);\n \trte_wmb();\n \n \t/* Check again for Tx completions */\n", "prefixes": [ "dpdk-dev", "v2", "26/29" ] }