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GET /api/patches/46133/?format=api
http://patches.dpdk.org/api/patches/46133/?format=api", "web_url": "http://patches.dpdk.org/project/dpdk/patch/1538743527-8285-6-git-send-email-alejandro.lucero@netronome.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": "<1538743527-8285-6-git-send-email-alejandro.lucero@netronome.com>", "list_archive_url": "https://inbox.dpdk.org/dev/1538743527-8285-6-git-send-email-alejandro.lucero@netronome.com", "date": "2018-10-05T12:45:26", "name": "[v3,5/6] net/nfp: check hugepages IOVAs based on DMA mask", "commit_ref": null, "pull_url": null, "state": "accepted", "archived": true, "hash": "ea839c33910808dba0e9c4a3e21c5142afae3824", "submitter": { "id": 270, "url": "http://patches.dpdk.org/api/people/270/?format=api", "name": "Alejandro Lucero", "email": "alejandro.lucero@netronome.com" }, "delegate": { "id": 1, "url": "http://patches.dpdk.org/api/users/1/?format=api", "username": "tmonjalo", "first_name": "Thomas", "last_name": "Monjalon", "email": "thomas@monjalon.net" }, "mbox": "http://patches.dpdk.org/project/dpdk/patch/1538743527-8285-6-git-send-email-alejandro.lucero@netronome.com/mbox/", "series": [ { "id": 1717, "url": "http://patches.dpdk.org/api/series/1717/?format=api", "web_url": "http://patches.dpdk.org/project/dpdk/list/?series=1717", "date": "2018-10-05T12:45:21", "name": "use IOVAs check based on DMA mask", "version": 3, "mbox": "http://patches.dpdk.org/series/1717/mbox/" } ], "comments": "http://patches.dpdk.org/api/patches/46133/comments/", "check": "success", "checks": "http://patches.dpdk.org/api/patches/46133/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 9C3CD532C;\n\tFri, 5 Oct 2018 14:47:00 +0200 (CEST)", "from netronome.com (host-79-78-33-110.static.as9105.net\n\t[79.78.33.110]) by dpdk.org (Postfix) with ESMTP id AA428397D\n\tfor <dev@dpdk.org>; Fri, 5 Oct 2018 14:46:51 +0200 (CEST)", "from netronome.com (localhost [127.0.0.1])\n\tby netronome.com (8.14.4/8.14.4/Debian-4.1ubuntu1) with ESMTP id\n\tw95CjVGp008386 for <dev@dpdk.org>; Fri, 5 Oct 2018 13:45:31 +0100", "(from alucero@localhost)\n\tby netronome.com (8.14.4/8.14.4/Submit) id w95CjVn4008385\n\tfor dev@dpdk.org; Fri, 5 Oct 2018 13:45:31 +0100" ], "From": "Alejandro Lucero <alejandro.lucero@netronome.com>", "To": "dev@dpdk.org", "Date": "Fri, 5 Oct 2018 13:45:26 +0100", "Message-Id": "<1538743527-8285-6-git-send-email-alejandro.lucero@netronome.com>", "X-Mailer": "git-send-email 1.9.1", "In-Reply-To": "<1538743527-8285-1-git-send-email-alejandro.lucero@netronome.com>", "References": "<1538743527-8285-1-git-send-email-alejandro.lucero@netronome.com>", "Subject": "[dpdk-dev] [PATCH v3 5/6] net/nfp: check hugepages IOVAs based on\n\tDMA mask", "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": "NFP devices can not handle DMA addresses requiring more than\n40 bits. This patch uses rte_dev_check_dma_mask with 40 bits\nand avoids device initialization if memory out of NFP range.\n\nSigned-off-by: Alejandro Lucero <alejandro.lucero@netronome.com>\n---\n drivers/net/nfp/nfp_net.c | 8 ++++++++\n 1 file changed, 8 insertions(+)", "diff": "diff --git a/drivers/net/nfp/nfp_net.c b/drivers/net/nfp/nfp_net.c\nindex 170b5d6..3910980 100644\n--- a/drivers/net/nfp/nfp_net.c\n+++ b/drivers/net/nfp/nfp_net.c\n@@ -2680,6 +2680,14 @@ uint32_t nfp_net_txq_full(struct nfp_net_txq *txq)\n \n \tpci_dev = RTE_ETH_DEV_TO_PCI(eth_dev);\n \n+\t/* NFP can not handle DMA addresses requiring more than 40 bits */\n+\tif (rte_eal_check_dma_mask(40)) {\n+\t\tRTE_LOG(ERR, PMD, \"device %s can not be used:\",\n+\t\t\t\t pci_dev->device.name);\n+\t\tRTE_LOG(ERR, PMD, \"\\trestricted dma mask to 40 bits!\\n\");\n+\t\treturn -ENODEV;\n+\t};\n+\n \tif ((pci_dev->id.device_id == PCI_DEVICE_ID_NFP4000_PF_NIC) ||\n \t (pci_dev->id.device_id == PCI_DEVICE_ID_NFP6000_PF_NIC)) {\n \t\tport = get_pf_port_number(eth_dev->data->name);\n", "prefixes": [ "v3", "5/6" ] }{ "id": 46133, "url": "