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GET /api/patches/85531/?format=api
https://patches.dpdk.org/api/patches/85531/?format=api", "web_url": "https://patches.dpdk.org/project/dpdk/patch/20201220211405.313012-8-maxime.coquelin@redhat.com/", "project": { "id": 1, "url": "https://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": "<20201220211405.313012-8-maxime.coquelin@redhat.com>", "list_archive_url": "https://inbox.dpdk.org/dev/20201220211405.313012-8-maxime.coquelin@redhat.com", "date": "2020-12-20T21:13:32", "name": "[07/40] net/virtio: move MSIX detection to PCI ethdev", "commit_ref": null, "pull_url": null, "state": "superseded", "archived": true, "hash": "632e5826c1c5a6c6f38fedcc6e9ee30e601b1e25", "submitter": { "id": 512, "url": "https://patches.dpdk.org/api/people/512/?format=api", "name": "Maxime Coquelin", "email": "maxime.coquelin@redhat.com" }, "delegate": { "id": 2642, "url": "https://patches.dpdk.org/api/users/2642/?format=api", "username": "mcoquelin", "first_name": "Maxime", "last_name": "Coquelin", "email": "maxime.coquelin@redhat.com" }, "mbox": "https://patches.dpdk.org/project/dpdk/patch/20201220211405.313012-8-maxime.coquelin@redhat.com/mbox/", "series": [ { "id": 14390, "url": "https://patches.dpdk.org/api/series/14390/?format=api", "web_url": "https://patches.dpdk.org/project/dpdk/list/?series=14390", "date": "2020-12-20T21:13:25", "name": "net/virtio: Virtio PMD rework", "version": 1, "mbox": "https://patches.dpdk.org/series/14390/mbox/" } ], "comments": "https://patches.dpdk.org/api/patches/85531/comments/", "check": "success", "checks": "https://patches.dpdk.org/api/patches/85531/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 406F6A09FD;\n\tSun, 20 Dec 2020 22:16:47 +0100 (CET)", "from [92.243.14.124] (localhost [127.0.0.1])\n\tby dpdk.org (Postfix) with ESMTP id 44F33CCA4;\n\tSun, 20 Dec 2020 22:14:55 +0100 (CET)", "from us-smtp-delivery-124.mimecast.com\n (us-smtp-delivery-124.mimecast.com [216.205.24.124])\n by dpdk.org (Postfix) with ESMTP id 769B3CC64\n for <dev@dpdk.org>; Sun, 20 Dec 2020 22:14:52 +0100 (CET)", "from mimecast-mx01.redhat.com (mimecast-mx01.redhat.com\n [209.132.183.4]) (Using TLS) by relay.mimecast.com with ESMTP id\n us-mta-305-lGqZQxxeNhCyvNrpiNPqmw-1; Sun, 20 Dec 2020 16:14:47 -0500", "from smtp.corp.redhat.com (int-mx02.intmail.prod.int.phx2.redhat.com\n [10.5.11.12])\n (using TLSv1.2 with cipher AECDH-AES256-SHA (256/256 bits))\n (No client certificate requested)\n by mimecast-mx01.redhat.com (Postfix) with ESMTPS id 01145107ACE6;\n Sun, 20 Dec 2020 21:14:46 +0000 (UTC)", "from max-t490s.redhat.com (unknown [10.36.110.43])\n by smtp.corp.redhat.com (Postfix) with ESMTP id 48ABD60C43;\n Sun, 20 Dec 2020 21:14:44 +0000 (UTC)" ], "DKIM-Signature": "v=1; a=rsa-sha256; c=relaxed/relaxed; d=redhat.com;\n s=mimecast20190719; t=1608498890;\n h=from:from:reply-to:subject:subject:date:date:message-id:message-id:\n to:to:cc:cc:mime-version:mime-version:content-type:content-type:\n content-transfer-encoding:content-transfer-encoding:\n in-reply-to:in-reply-to:references:references;\n bh=hDS0HN9mc1mfTLfuC9RWVNb0lJntHMktJrJ6+hQQGL8=;\n b=i8VYV9LZcBPXM32wWqlgDJE1E159bZx3Exp+fgEmdlX4siGi7pdxoPmyq58bQgjoNj4E+M\n ge/FWFM6tNuayVrkEIQF3kAcdcNFRRPj6cbzWTRFoWiSmSiKKTlJwVBBVJeTPQl3kpT0Xi\n uP9oQVlVUuW8YhJtGUtMcbmCZOulzeo=", "X-MC-Unique": "lGqZQxxeNhCyvNrpiNPqmw-1", "From": "Maxime Coquelin <maxime.coquelin@redhat.com>", "To": "dev@dpdk.org, chenbo.xia@intel.com, olivier.matz@6wind.com,\n amorenoz@redhat.com, david.marchand@redhat.com", "Cc": "Maxime Coquelin <maxime.coquelin@redhat.com>", "Date": "Sun, 20 Dec 2020 22:13:32 +0100", "Message-Id": "<20201220211405.313012-8-maxime.coquelin@redhat.com>", "In-Reply-To": "<20201220211405.313012-1-maxime.coquelin@redhat.com>", "References": "<20201220211405.313012-1-maxime.coquelin@redhat.com>", "MIME-Version": "1.0", "X-Scanned-By": "MIMEDefang 2.79 on 10.5.11.12", "Authentication-Results": "relay.mimecast.com;\n auth=pass smtp.auth=CUSA124A263 smtp.mailfrom=maxime.coquelin@redhat.com", "X-Mimecast-Spam-Score": "0", "X-Mimecast-Originator": "redhat.com", "Content-Transfer-Encoding": "8bit", "Content-Type": "text/plain; charset=\"US-ASCII\"", "Subject": "[dpdk-dev] [PATCH 07/40] net/virtio: move MSIX detection to PCI\n\tethdev", "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": "There is no point it detecting whether we can use MSIX\nevery time the interrupt is enabled/disabled/masked.\n\nLet's do it once for all at PCI device init time.\n\nSigned-off-by: Maxime Coquelin <maxime.coquelin@redhat.com>\n---\n drivers/net/virtio/virtio_ethdev.c | 15 ---------------\n drivers/net/virtio/virtio_pci.c | 5 ++++-\n 2 files changed, 4 insertions(+), 16 deletions(-)", "diff": "diff --git a/drivers/net/virtio/virtio_ethdev.c b/drivers/net/virtio/virtio_ethdev.c\nindex 4032a89396..67f6be3fa8 100644\n--- a/drivers/net/virtio/virtio_ethdev.c\n+++ b/drivers/net/virtio/virtio_ethdev.c\n@@ -1282,42 +1282,27 @@ virtio_vlan_filter_set(struct rte_eth_dev *dev, uint16_t vlan_id, int on)\n static int\n virtio_intr_unmask(struct rte_eth_dev *dev)\n {\n-\tstruct virtio_hw *hw = dev->data->dev_private;\n-\n \tif (rte_intr_ack(dev->intr_handle) < 0)\n \t\treturn -1;\n \n-\tif (hw->bus_type == VIRTIO_BUS_PCI_LEGACY || hw->bus_type == VIRTIO_BUS_PCI_MODERN)\n-\t\thw->use_msix = vtpci_msix_detect(RTE_ETH_DEV_TO_PCI(dev));\n-\n \treturn 0;\n }\n \n static int\n virtio_intr_enable(struct rte_eth_dev *dev)\n {\n-\tstruct virtio_hw *hw = dev->data->dev_private;\n-\n \tif (rte_intr_enable(dev->intr_handle) < 0)\n \t\treturn -1;\n \n-\tif (hw->bus_type == VIRTIO_BUS_PCI_LEGACY || hw->bus_type == VIRTIO_BUS_PCI_MODERN)\n-\t\thw->use_msix = vtpci_msix_detect(RTE_ETH_DEV_TO_PCI(dev));\n-\n \treturn 0;\n }\n \n static int\n virtio_intr_disable(struct rte_eth_dev *dev)\n {\n-\tstruct virtio_hw *hw = dev->data->dev_private;\n-\n \tif (rte_intr_disable(dev->intr_handle) < 0)\n \t\treturn -1;\n \n-\tif (hw->bus_type == VIRTIO_BUS_PCI_LEGACY || hw->bus_type == VIRTIO_BUS_PCI_MODERN)\n-\t\thw->use_msix = vtpci_msix_detect(RTE_ETH_DEV_TO_PCI(dev));\n-\n \treturn 0;\n }\n \ndiff --git a/drivers/net/virtio/virtio_pci.c b/drivers/net/virtio/virtio_pci.c\nindex 1692268f30..8605254e53 100644\n--- a/drivers/net/virtio/virtio_pci.c\n+++ b/drivers/net/virtio/virtio_pci.c\n@@ -698,7 +698,7 @@ vtpci_init(struct rte_pci_device *dev, struct virtio_hw *hw)\n \t\tPMD_INIT_LOG(INFO, \"modern virtio pci detected.\");\n \t\tvirtio_hw_internal[hw->port_id].vtpci_ops = &modern_ops;\n \t\thw->bus_type = VIRTIO_BUS_PCI_MODERN;\n-\t\treturn 0;\n+\t\tgoto msix_detect;\n \t}\n \n \tPMD_INIT_LOG(INFO, \"trying with legacy virtio pci.\");\n@@ -718,6 +718,9 @@ vtpci_init(struct rte_pci_device *dev, struct virtio_hw *hw)\n \tvirtio_hw_internal[hw->port_id].vtpci_ops = &legacy_ops;\n \thw->bus_type = VIRTIO_BUS_PCI_LEGACY;\n \n+msix_detect:\n+\thw->use_msix = vtpci_msix_detect(dev);\n+\n \treturn 0;\n }\n \n", "prefixes": [ "07/40" ] }{ "id": 85531, "url": "