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GET /api/patches/18588/?format=api
{ "id": 18588, "url": "http://patches.dpdk.org/api/patches/18588/?format=api", "web_url": "http://patches.dpdk.org/project/dpdk/patch/1482832175-27199-29-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": "<1482832175-27199-29-git-send-email-jerin.jacob@caviumnetworks.com>", "list_archive_url": "https://inbox.dpdk.org/dev/1482832175-27199-29-git-send-email-jerin.jacob@caviumnetworks.com", "date": "2016-12-27T09:49:34", "name": "[dpdk-dev,v2,28/29] net/virtio: use eal I/O device memory read/write API", "commit_ref": null, "pull_url": null, "state": "superseded", "archived": true, "hash": "59239301fbb4b0d584543f5bd81dc4ac1ea7c595", "submitter": { "id": 305, "url": "http://patches.dpdk.org/api/people/305/?format=api",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/1482832175-27199-29-git-send-email-jerin.jacob@caviumnetworks.com/mbox/", "series": [], "comments": "http://patches.dpdk.org/api/patches/18588/comments/", "check": "success", "checks": "http://patches.dpdk.org/api/patches/18588/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 207EB5598;\n\tTue, 27 Dec 2016 10:52:57 +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 399562C8\n\tfor <dev@dpdk.org>; Tue, 27 Dec 2016 10:52:51 +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 09:52:46 +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=fsY1ZvEHOEyON71oHSwjNwIKaz9kMI0kr7qFxZojul8=;\n\tb=JcMD8+n7PjqspAUi7CTZRTtiGGKAygCbuCMPoj0mLu2QU6pYDyGFm/LMC2r63UzLqH6VaAfoEIRtkKGPXnmRhUT+A1DeeWI32a9+Y2+YlJ2Qwdbq/tkvRscW0uJ6MXJm1GkdL5rVb0ZfSMBrXIMDkNZ/79/kjXsmiK0BX1UI/5w=", "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\tHuawei Xie\n\t<huawei.xie@intel.com>, Yuanhan Liu <yuanhan.liu@linux.intel.com>, Jerin\n\tJacob <jerin.jacob@caviumnetworks.com>", "Date": "Tue, 27 Dec 2016 15:19:34 +0530", "Message-ID": "<1482832175-27199-29-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": 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"27 Dec 2016 09:52:46.8695\n\t(UTC)", "X-MS-Exchange-CrossTenant-FromEntityHeader": "Hosted", "X-MS-Exchange-Transport-CrossTenantHeadersStamped": "BLUPR0701MB1713", "Subject": "[dpdk-dev] [PATCH v2 28/29] net/virtio: 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: Huawei Xie <huawei.xie@intel.com>\nCC: Yuanhan Liu <yuanhan.liu@linux.intel.com>\nSigned-off-by: Santosh Shukla <santosh.shukla@caviumnetworks.com>\nSigned-off-by: Jerin Jacob <jerin.jacob@caviumnetworks.com>\nAcked-by: Yuanhan Liu <yuanhan.liu@linux.intel.com>\n---\n drivers/net/virtio/virtio_pci.c | 97 +++++++++++++----------------------------\n 1 file changed, 31 insertions(+), 66 deletions(-)", "diff": "diff --git a/drivers/net/virtio/virtio_pci.c b/drivers/net/virtio/virtio_pci.c\nindex 9b47165..7c1cb4c 100644\n--- a/drivers/net/virtio/virtio_pci.c\n+++ b/drivers/net/virtio/virtio_pci.c\n@@ -37,6 +37,8 @@\n #include <fcntl.h>\n #endif\n \n+#include <rte_io.h>\n+\n #include \"virtio_pci.h\"\n #include \"virtio_logs.h\"\n #include \"virtqueue.h\"\n@@ -316,48 +318,11 @@ static const struct virtio_pci_ops legacy_ops = {\n \t.notify_queue\t= legacy_notify_queue,\n };\n \n-\n-static inline uint8_t\n-io_read8(uint8_t *addr)\n-{\n-\treturn *(volatile uint8_t *)addr;\n-}\n-\n-static inline void\n-io_write8(uint8_t val, uint8_t *addr)\n-{\n-\t*(volatile uint8_t *)addr = val;\n-}\n-\n-static inline uint16_t\n-io_read16(uint16_t *addr)\n-{\n-\treturn *(volatile uint16_t *)addr;\n-}\n-\n-static inline void\n-io_write16(uint16_t val, uint16_t *addr)\n-{\n-\t*(volatile uint16_t *)addr = val;\n-}\n-\n-static inline uint32_t\n-io_read32(uint32_t *addr)\n-{\n-\treturn *(volatile uint32_t *)addr;\n-}\n-\n-static inline void\n-io_write32(uint32_t val, uint32_t *addr)\n-{\n-\t*(volatile uint32_t *)addr = val;\n-}\n-\n static inline void\n io_write64_twopart(uint64_t val, uint32_t *lo, uint32_t *hi)\n {\n-\tio_write32(val & ((1ULL << 32) - 1), lo);\n-\tio_write32(val >> 32,\t\t hi);\n+\trte_write32(val & ((1ULL << 32) - 1), lo);\n+\trte_write32(val >> 32,\t\t hi);\n }\n \n static void\n@@ -369,13 +334,13 @@ modern_read_dev_config(struct virtio_hw *hw, size_t offset,\n \tuint8_t old_gen, new_gen;\n \n \tdo {\n-\t\told_gen = io_read8(&hw->common_cfg->config_generation);\n+\t\told_gen = rte_read8(&hw->common_cfg->config_generation);\n \n \t\tp = dst;\n \t\tfor (i = 0; i < length; i++)\n-\t\t\t*p++ = io_read8((uint8_t *)hw->dev_cfg + offset + i);\n+\t\t\t*p++ = rte_read8((uint8_t *)hw->dev_cfg + offset + i);\n \n-\t\tnew_gen = io_read8(&hw->common_cfg->config_generation);\n+\t\tnew_gen = rte_read8(&hw->common_cfg->config_generation);\n \t} while (old_gen != new_gen);\n }\n \n@@ -387,7 +352,7 @@ modern_write_dev_config(struct virtio_hw *hw, size_t offset,\n \tconst uint8_t *p = src;\n \n \tfor (i = 0; i < length; i++)\n-\t\tio_write8(*p++, (uint8_t *)hw->dev_cfg + offset + i);\n+\t\trte_write8((*p++), (((uint8_t *)hw->dev_cfg) + offset + i));\n }\n \n static uint64_t\n@@ -395,11 +360,11 @@ modern_get_features(struct virtio_hw *hw)\n {\n \tuint32_t features_lo, features_hi;\n \n-\tio_write32(0, &hw->common_cfg->device_feature_select);\n-\tfeatures_lo = io_read32(&hw->common_cfg->device_feature);\n+\trte_write32(0, &hw->common_cfg->device_feature_select);\n+\tfeatures_lo = rte_read32(&hw->common_cfg->device_feature);\n \n-\tio_write32(1, &hw->common_cfg->device_feature_select);\n-\tfeatures_hi = io_read32(&hw->common_cfg->device_feature);\n+\trte_write32(1, &hw->common_cfg->device_feature_select);\n+\tfeatures_hi = rte_read32(&hw->common_cfg->device_feature);\n \n \treturn ((uint64_t)features_hi << 32) | features_lo;\n }\n@@ -407,25 +372,25 @@ modern_get_features(struct virtio_hw *hw)\n static void\n modern_set_features(struct virtio_hw *hw, uint64_t features)\n {\n-\tio_write32(0, &hw->common_cfg->guest_feature_select);\n-\tio_write32(features & ((1ULL << 32) - 1),\n-\t\t&hw->common_cfg->guest_feature);\n+\trte_write32(0, &hw->common_cfg->guest_feature_select);\n+\trte_write32(features & ((1ULL << 32) - 1),\n+\t\t &hw->common_cfg->guest_feature);\n \n-\tio_write32(1, &hw->common_cfg->guest_feature_select);\n-\tio_write32(features >> 32,\n-\t\t&hw->common_cfg->guest_feature);\n+\trte_write32(1, &hw->common_cfg->guest_feature_select);\n+\trte_write32(features >> 32,\n+\t\t &hw->common_cfg->guest_feature);\n }\n \n static uint8_t\n modern_get_status(struct virtio_hw *hw)\n {\n-\treturn io_read8(&hw->common_cfg->device_status);\n+\treturn rte_read8(&hw->common_cfg->device_status);\n }\n \n static void\n modern_set_status(struct virtio_hw *hw, uint8_t status)\n {\n-\tio_write8(status, &hw->common_cfg->device_status);\n+\trte_write8(status, &hw->common_cfg->device_status);\n }\n \n static void\n@@ -438,21 +403,21 @@ modern_reset(struct virtio_hw *hw)\n static uint8_t\n modern_get_isr(struct virtio_hw *hw)\n {\n-\treturn io_read8(hw->isr);\n+\treturn rte_read8(hw->isr);\n }\n \n static uint16_t\n modern_set_config_irq(struct virtio_hw *hw, uint16_t vec)\n {\n-\tio_write16(vec, &hw->common_cfg->msix_config);\n-\treturn io_read16(&hw->common_cfg->msix_config);\n+\trte_write16(vec, &hw->common_cfg->msix_config);\n+\treturn rte_read16(&hw->common_cfg->msix_config);\n }\n \n static uint16_t\n modern_get_queue_num(struct virtio_hw *hw, uint16_t queue_id)\n {\n-\tio_write16(queue_id, &hw->common_cfg->queue_select);\n-\treturn io_read16(&hw->common_cfg->queue_size);\n+\trte_write16(queue_id, &hw->common_cfg->queue_select);\n+\treturn rte_read16(&hw->common_cfg->queue_size);\n }\n \n static int\n@@ -470,7 +435,7 @@ modern_setup_queue(struct virtio_hw *hw, struct virtqueue *vq)\n \t\t\t\t\t\t\t ring[vq->vq_nentries]),\n \t\t\t\t VIRTIO_PCI_VRING_ALIGN);\n \n-\tio_write16(vq->vq_queue_index, &hw->common_cfg->queue_select);\n+\trte_write16(vq->vq_queue_index, &hw->common_cfg->queue_select);\n \n \tio_write64_twopart(desc_addr, &hw->common_cfg->queue_desc_lo,\n \t\t\t\t &hw->common_cfg->queue_desc_hi);\n@@ -479,11 +444,11 @@ modern_setup_queue(struct virtio_hw *hw, struct virtqueue *vq)\n \tio_write64_twopart(used_addr, &hw->common_cfg->queue_used_lo,\n \t\t\t\t &hw->common_cfg->queue_used_hi);\n \n-\tnotify_off = io_read16(&hw->common_cfg->queue_notify_off);\n+\tnotify_off = rte_read16(&hw->common_cfg->queue_notify_off);\n \tvq->notify_addr = (void *)((uint8_t *)hw->notify_base +\n \t\t\t\tnotify_off * hw->notify_off_multiplier);\n \n-\tio_write16(1, &hw->common_cfg->queue_enable);\n+\trte_write16(1, &hw->common_cfg->queue_enable);\n \n \tPMD_INIT_LOG(DEBUG, \"queue %u addresses:\", vq->vq_queue_index);\n \tPMD_INIT_LOG(DEBUG, \"\\t desc_addr: %\" PRIx64, desc_addr);\n@@ -498,7 +463,7 @@ modern_setup_queue(struct virtio_hw *hw, struct virtqueue *vq)\n static void\n modern_del_queue(struct virtio_hw *hw, struct virtqueue *vq)\n {\n-\tio_write16(vq->vq_queue_index, &hw->common_cfg->queue_select);\n+\trte_write16(vq->vq_queue_index, &hw->common_cfg->queue_select);\n \n \tio_write64_twopart(0, &hw->common_cfg->queue_desc_lo,\n \t\t\t\t &hw->common_cfg->queue_desc_hi);\n@@ -507,13 +472,13 @@ modern_del_queue(struct virtio_hw *hw, struct virtqueue *vq)\n \tio_write64_twopart(0, &hw->common_cfg->queue_used_lo,\n \t\t\t\t &hw->common_cfg->queue_used_hi);\n \n-\tio_write16(0, &hw->common_cfg->queue_enable);\n+\trte_write16(0, &hw->common_cfg->queue_enable);\n }\n \n static void\n modern_notify_queue(struct virtio_hw *hw __rte_unused, struct virtqueue *vq)\n {\n-\tio_write16(1, vq->notify_addr);\n+\trte_write16(1, vq->notify_addr);\n }\n \n static const struct virtio_pci_ops modern_ops = {\n", "prefixes": [ "dpdk-dev", "v2", "28/29" ] }