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GET /api/patches/814972/?format=api
{ "id": 814972, "url": "http://patchwork.ozlabs.org/api/patches/814972/?format=api", "web_url": "http://patchwork.ozlabs.org/project/netdev/patch/20170918153049.44185-15-mika.westerberg@linux.intel.com/", "project": { "id": 7, "url": "http://patchwork.ozlabs.org/api/projects/7/?format=api", "name": "Linux network development", "link_name": "netdev", "list_id": "netdev.vger.kernel.org", "list_email": "netdev@vger.kernel.org", "web_url": null, "scm_url": null, "webscm_url": null, "list_archive_url": "", "list_archive_url_format": "", "commit_url_format": "" }, "msgid": "<20170918153049.44185-15-mika.westerberg@linux.intel.com>", "list_archive_url": null, "date": "2017-09-18T15:30:47", "name": "[14/16] thunderbolt: Add function to retrieve DMA device for the ring", "commit_ref": null, "pull_url": null, "state": "not-applicable", "archived": true, "hash": "76511b69a2b48765f58131833bd61161df551383", "submitter": { "id": 14534, "url": "http://patchwork.ozlabs.org/api/people/14534/?format=api", "name": "Mika Westerberg", "email": "mika.westerberg@linux.intel.com" }, "delegate": { "id": 34, "url": "http://patchwork.ozlabs.org/api/users/34/?format=api", "username": "davem", "first_name": "David", "last_name": "Miller", "email": "davem@davemloft.net" }, "mbox": "http://patchwork.ozlabs.org/project/netdev/patch/20170918153049.44185-15-mika.westerberg@linux.intel.com/mbox/", "series": [ { "id": 3664, "url": "http://patchwork.ozlabs.org/api/series/3664/?format=api", "web_url": "http://patchwork.ozlabs.org/project/netdev/list/?series=3664", "date": "2017-09-18T15:30:47", "name": "Thunderbolt networking", "version": 1, "mbox": "http://patchwork.ozlabs.org/series/3664/mbox/" } ], "comments": "http://patchwork.ozlabs.org/api/patches/814972/comments/", "check": "pending", "checks": "http://patchwork.ozlabs.org/api/patches/814972/checks/", "tags": {}, "related": [], "headers": { "Return-Path": "<netdev-owner@vger.kernel.org>", "X-Original-To": "patchwork-incoming@ozlabs.org", "Delivered-To": "patchwork-incoming@ozlabs.org", "Authentication-Results": "ozlabs.org;\n\tspf=none (mailfrom) smtp.mailfrom=vger.kernel.org\n\t(client-ip=209.132.180.67; helo=vger.kernel.org;\n\tenvelope-from=netdev-owner@vger.kernel.org;\n\treceiver=<UNKNOWN>)", "Received": [ "from vger.kernel.org (vger.kernel.org [209.132.180.67])\n\tby ozlabs.org (Postfix) with ESMTP id 3xwqjS6Y7Pz9s78\n\tfor <patchwork-incoming@ozlabs.org>;\n\tTue, 19 Sep 2017 01:31:24 +1000 (AEST)", "(majordomo@vger.kernel.org) by vger.kernel.org via listexpand\n\tid S1755768AbdIRPbE (ORCPT <rfc822;patchwork-incoming@ozlabs.org>);\n\tMon, 18 Sep 2017 11:31:04 -0400", "from mga01.intel.com ([192.55.52.88]:32764 \"EHLO mga01.intel.com\"\n\trhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP\n\tid S1755509AbdIRPbC (ORCPT <rfc822;netdev@vger.kernel.org>);\n\tMon, 18 Sep 2017 11:31:02 -0400", "from fmsmga002.fm.intel.com ([10.253.24.26])\n\tby fmsmga101.fm.intel.com with ESMTP/TLS/DHE-RSA-AES256-GCM-SHA384;\n\t18 Sep 2017 08:31:02 -0700", "from black.fi.intel.com ([10.237.72.28])\n\tby fmsmga002.fm.intel.com with ESMTP; 18 Sep 2017 08:30:58 -0700", "by black.fi.intel.com (Postfix, from userid 1001)\n\tid 0B0A972A; Mon, 18 Sep 2017 18:30:50 +0300 (EEST)" ], "X-ExtLoop1": "1", "X-IronPort-AV": "E=Sophos;i=\"5.42,413,1500966000\"; d=\"scan'208\";a=\"1220359589\"", "From": "Mika Westerberg <mika.westerberg@linux.intel.com>", "To": "Greg Kroah-Hartman <gregkh@linuxfoundation.org>,\n\t\"David S . Miller\" <davem@davemloft.net>", "Cc": "Andreas Noever <andreas.noever@gmail.com>,\n\tMichael Jamet <michael.jamet@intel.com>,\n\tYehezkel Bernat <yehezkel.bernat@intel.com>,\n\tAmir Levy <amir.jer.levy@intel.com>,\n\tMario.Limonciello@dell.com, Lukas Wunner <lukas@wunner.de>,\n\tAndy Shevchenko <andriy.shevchenko@linux.intel.com>,\n\tMika Westerberg <mika.westerberg@linux.intel.com>,\n\tlinux-kernel@vger.kernel.org, netdev@vger.kernel.org", "Subject": "[PATCH 14/16] thunderbolt: Add function to retrieve DMA device for\n\tthe ring", "Date": "Mon, 18 Sep 2017 18:30:47 +0300", "Message-Id": "<20170918153049.44185-15-mika.westerberg@linux.intel.com>", "X-Mailer": "git-send-email 2.14.1", "In-Reply-To": "<20170918153049.44185-1-mika.westerberg@linux.intel.com>", "References": "<20170918153049.44185-1-mika.westerberg@linux.intel.com>", "Sender": "netdev-owner@vger.kernel.org", "Precedence": "bulk", "List-ID": "<netdev.vger.kernel.org>", "X-Mailing-List": "netdev@vger.kernel.org" }, "content": "This is needed when Thunderbolt service drivers need to DMA map memory\nbefore it is passed down to the ring.\n\nSigned-off-by: Mika Westerberg <mika.westerberg@linux.intel.com>\nReviewed-by: Michael Jamet <michael.jamet@intel.com>\nReviewed-by: Yehezkel Bernat <yehezkel.bernat@intel.com>\n---\n include/linux/thunderbolt.h | 13 +++++++++++++\n 1 file changed, 13 insertions(+)", "diff": "diff --git a/include/linux/thunderbolt.h b/include/linux/thunderbolt.h\nindex 9a63210d5084..d479a9e508cd 100644\n--- a/include/linux/thunderbolt.h\n+++ b/include/linux/thunderbolt.h\n@@ -19,6 +19,7 @@\n #include <linux/list.h>\n #include <linux/mutex.h>\n #include <linux/mod_devicetable.h>\n+#include <linux/pci.h>\n #include <linux/uuid.h>\n #include <linux/workqueue.h>\n \n@@ -582,4 +583,16 @@ static inline int tb_ring_tx(struct tb_ring *ring, struct ring_frame *frame)\n struct ring_frame *tb_ring_poll(struct tb_ring *ring);\n void tb_ring_poll_complete(struct tb_ring *ring);\n \n+/**\n+ * tb_ring_dma_device() - Return device used for DMA mapping\n+ * @ring: Ring whose DMA device is retrieved\n+ *\n+ * Use this function when you are mapping DMA for buffers that are\n+ * passed to the ring for sending/receiving.\n+ */\n+static inline struct device *tb_ring_dma_device(struct tb_ring *ring)\n+{\n+\treturn &ring->nhi->pdev->dev;\n+}\n+\n #endif /* THUNDERBOLT_H_ */\n", "prefixes": [ "14/16" ] }