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{ "id": 46661, "url": "http://patches.dpdk.org/api/covers/46661/?format=api", "web_url": "http://patches.dpdk.org/project/dpdk/cover/20181011210251.7705-1-thomas@monjalon.net/", "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": "<20181011210251.7705-1-thomas@monjalon.net>", "list_archive_url": "https://inbox.dpdk.org/dev/20181011210251.7705-1-thomas@monjalon.net", "date": "2018-10-11T21:02:47", "name": "[v4,0/4] eal: allow hotplug to skip an already probed device", "submitter": { "id": 685, "url": "http://patches.dpdk.org/api/people/685/?format=api", "name": "Thomas Monjalon", "email": "thomas@monjalon.net" }, "mbox": "http://patches.dpdk.org/project/dpdk/cover/20181011210251.7705-1-thomas@monjalon.net/mbox/", "series": [ { "id": 1853, "url": "http://patches.dpdk.org/api/series/1853/?format=api", "web_url": "http://patches.dpdk.org/project/dpdk/list/?series=1853", "date": "2018-10-11T21:02:48", "name": "eal: allow hotplug to skip an already probed device", "version": 4, "mbox": "http://patches.dpdk.org/series/1853/mbox/" } ], "comments": "http://patches.dpdk.org/api/covers/46661/comments/", "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 083EE1B4B8;\n\tThu, 11 Oct 2018 23:03:04 +0200 (CEST)", "from out3-smtp.messagingengine.com (out3-smtp.messagingengine.com\n\t[66.111.4.27]) by dpdk.org (Postfix) with ESMTP id 748871B4AA\n\tfor <dev@dpdk.org>; Thu, 11 Oct 2018 23:03:00 +0200 (CEST)", "from compute1.internal (compute1.nyi.internal [10.202.2.41])\n\tby mailout.nyi.internal (Postfix) with ESMTP id CD0E521E3E;\n\tThu, 11 Oct 2018 17:02:59 -0400 (EDT)", "from mailfrontend1 ([10.202.2.162])\n\tby compute1.internal (MEProxy); Thu, 11 Oct 2018 17:02:59 -0400", "from xps.monjalon.net (184.203.134.77.rev.sfr.net [77.134.203.184])\n\tby mail.messagingengine.com (Postfix) with ESMTPA id 45459E455F;\n\tThu, 11 Oct 2018 17:02:58 -0400 (EDT)" ], "DKIM-Signature": [ "v=1; a=rsa-sha256; c=relaxed/relaxed; d=monjalon.net; h=\n\tfrom:to:cc:subject:date:message-id:in-reply-to:references\n\t:mime-version:content-transfer-encoding; s=mesmtp; bh=A5yQNqAVM3\n\tA+2hJ7hqnVmwnyrO4Akh2embAnRHKvm9g=; b=mGAGMK6XDwfQsvUmqIxRBjmXEU\n\tLyYqTMLTuU0OZ3U9VwQgQWEP23Qb3+izaMJz6eUm4YSSpjxhJCAVKPskmNXbEu3g\n\tvCGiTR+qUzxwMV9NjF8SCjCeckTPUa6d+ttdWd7BJ9Fi4rH9vxnJvkSRaIVmgGea\n\tpVDdCUhcfiAqzdPtM=", "v=1; a=rsa-sha256; c=relaxed/relaxed; d=\n\tmessagingengine.com; h=cc:content-transfer-encoding:date:from\n\t:in-reply-to:message-id:mime-version:references:subject:to\n\t:x-me-proxy:x-me-proxy:x-me-sender:x-me-sender:x-sasl-enc; s=\n\tfm1; bh=A5yQNqAVM3A+2hJ7hqnVmwnyrO4Akh2embAnRHKvm9g=; b=N4xd0TKq\n\tWvYlfdsfiCFteNS5dzmu4R67ZHTYv+itE0WZwt6T8vIB8S+Tfn3CYWZwDdaKacgI\n\tP+gRv91wBaf6NOAi8aD6douczmT1KqwaKRuctvGuRt2Egaktx6k+nf7eavE3M3I3\n\tkBzElXeAKkWSTZkpPb3HYI+pOu4r7S6iSswD2mT3xNIZDC1kt5ajAg7bCCbbVG+q\n\tWVTXgmGfzYuYBbYEOxxJzKqgcj0zuUnuYOJCqvnyPg9rIxCBNehHdQ7zoAS4nPQV\n\t+zLuupwM7zYo9fqmeqICdVzqYCkbGW/sHQC8KhNHDAlCAxsD/sRbYn0bj768YFPe\n\to0EuY47MpJG/PA==" ], "X-ME-Sender": "<xms:g7q_W3wCVOZxynsw930pQelYUbekTuipL06HOhIztuHmFrheccbKVw>", "X-ME-Proxy": "<xmx:g7q_WyL0ubTsY8XgRPyuSqD7Jo_kwAzcLxWQp_SRrg5Il_u1SXGE7A>\n\t<xmx:g7q_Wxblq5RisE44TKOwb8Xbvj8_Ci-2ozYarkSrpy8PinNrj7Mb-Q>\n\t<xmx:g7q_W7Sw1e_cypG3FoTimeEoY2ntasEpeejrPyvm6l46NHcFDkKRgw>\n\t<xmx:g7q_W0yUIfocSKbrkqRazXLSAawC_VC3U6VlNlBt5aXDU3rh0_HIhA>\n\t<xmx:g7q_WxdCVXuJjUonyZLkcXQCdHFAX9K_zhF7shj33D2CUpaJqeVXBA>\n\t<xmx:g7q_W7wtaNr84oKXRQBIjsKtmer0rIeGnE6TWp7DlKFTQK1XOpyPmw>", "From": "Thomas Monjalon <thomas@monjalon.net>", "To": "dev@dpdk.org", "Cc": "gaetan.rivet@6wind.com, ophirmu@mellanox.com, qi.z.zhang@intel.com,\n\tferruh.yigit@intel.com", "Date": "Thu, 11 Oct 2018 23:02:47 +0200", "Message-Id": "<20181011210251.7705-1-thomas@monjalon.net>", "X-Mailer": "git-send-email 2.19.0", "In-Reply-To": "<20180907230958.21402-1-thomas@monjalon.net>", "References": "<20180907230958.21402-1-thomas@monjalon.net>", "MIME-Version": "1.0", "Content-Transfer-Encoding": "8bit", "Subject": "[dpdk-dev] [PATCH v4 0/4] eal: allow hotplug to skip an already\n\tprobed device", "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": "This is a follow-up of an idea presented at Dublin\nduring the \"hotplug talk\".\n\nThe idea is to ease probing of range of ports attached\nto the same rte_device.\nI becomes possible to allow probing again the same device\nbut with a bigger range of ports in the devargs.\n\nInstead of adding a parameter to the hotplug functions, as in the RFC,\nthe check of an already probed device is moved to the bus and enabled PMDs.\nIt gives flexibility to drivers for managing range of ports.\n\n\nChanges in v4 - after Andrew's review:\n - remove access to rte_device.driver during probing (patch 1)\n\nChanges in v3 - after Declan's review:\n - return error in all buses but PCI\n - add a PCI driver flag to enable feature per driver\n - return -EEXIST if probing again is not supported\n\n\nThomas Monjalon (4):\n ethdev: rename memzones allocated for DMA\n drivers/bus: move driver assignment to end of probing\n eal: add function to query device status\n eal: allow probing a device again\n\n drivers/bus/dpaa/dpaa_bus.c | 3 ++\n drivers/bus/fslmc/fslmc_bus.c | 3 ++\n drivers/bus/ifpga/ifpga_bus.c | 21 +++++++-------\n drivers/bus/pci/pci_common.c | 38 ++++++++++++++++---------\n drivers/bus/pci/rte_bus_pci.h | 6 ++--\n drivers/bus/vdev/vdev.c | 12 +++++---\n drivers/bus/vmbus/vmbus_common.c | 5 ++--\n drivers/net/i40e/i40e_vf_representor.c | 3 --\n drivers/net/mlx4/mlx4.c | 1 -\n drivers/net/mlx5/mlx5.c | 1 -\n lib/librte_eal/common/eal_common_dev.c | 14 +++++----\n lib/librte_eal/common/include/rte_dev.h | 18 ++++++++++--\n lib/librte_eal/rte_eal_version.map | 1 +\n lib/librte_ethdev/rte_ethdev.c | 5 ++--\n 14 files changed, 84 insertions(+), 47 deletions(-)" }