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GET /api/patches/101361/?format=api
{ "id": 101361, "url": "http://patchwork.dpdk.org/api/patches/101361/?format=api", "web_url": "http://patchwork.dpdk.org/project/dpdk/patch/20211013151736.762378-6-bruce.richardson@intel.com/", "project": { "id": 1, "url": "http://patchwork.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": "<20211013151736.762378-6-bruce.richardson@intel.com>", "list_archive_url": "https://inbox.dpdk.org/dev/20211013151736.762378-6-bruce.richardson@intel.com", "date": "2021-10-13T15:17:28", "name": "[v7,05/13] dmadev: add device iterator", "commit_ref": null, "pull_url": null, "state": "accepted", "archived": true, "hash": "d5fc83642dc2f1f64def0389cfec522b7a2fa7e4", "submitter": { "id": 20, "url": "http://patchwork.dpdk.org/api/people/20/?format=api", "name": "Bruce Richardson", "email": "bruce.richardson@intel.com" }, "delegate": { "id": 1, "url": "http://patchwork.dpdk.org/api/users/1/?format=api", "username": "tmonjalo", "first_name": "Thomas", "last_name": "Monjalon", "email": "thomas@monjalon.net" }, "mbox": "http://patchwork.dpdk.org/project/dpdk/patch/20211013151736.762378-6-bruce.richardson@intel.com/mbox/", "series": [ { "id": 19599, "url": "http://patchwork.dpdk.org/api/series/19599/?format=api", "web_url": "http://patchwork.dpdk.org/project/dpdk/list/?series=19599", "date": "2021-10-13T15:17:23", "name": "add test suite for DMA drivers", "version": 7, "mbox": "http://patchwork.dpdk.org/series/19599/mbox/" } ], "comments": "http://patchwork.dpdk.org/api/patches/101361/comments/", "check": "success", "checks": "http://patchwork.dpdk.org/api/patches/101361/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 mails.dpdk.org (mails.dpdk.org [217.70.189.124])\n\tby inbox.dpdk.org (Postfix) with ESMTP id A3774A0C55;\n\tWed, 13 Oct 2021 17:18:33 +0200 (CEST)", "from [217.70.189.124] (localhost [127.0.0.1])\n\tby mails.dpdk.org (Postfix) with ESMTP id 0041841208;\n\tWed, 13 Oct 2021 17:18:10 +0200 (CEST)", "from mga07.intel.com (mga07.intel.com [134.134.136.100])\n by mails.dpdk.org (Postfix) with ESMTP id 4DBA1411F7\n for <dev@dpdk.org>; Wed, 13 Oct 2021 17:18:05 +0200 (CEST)", "from orsmga006.jf.intel.com ([10.7.209.51])\n by orsmga105.jf.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384;\n 13 Oct 2021 08:18:00 -0700", "from silpixa00399126.ir.intel.com ([10.237.223.151])\n by orsmga006.jf.intel.com with ESMTP; 13 Oct 2021 08:17:58 -0700" ], "X-IronPort-AV": [ "E=McAfee;i=\"6200,9189,10136\"; a=\"290944076\"", "E=Sophos;i=\"5.85,371,1624345200\"; d=\"scan'208\";a=\"290944076\"", "E=Sophos;i=\"5.85,371,1624345200\"; d=\"scan'208\";a=\"441682098\"" ], "X-ExtLoop1": "1", "From": "Bruce Richardson <bruce.richardson@intel.com>", "To": "dev@dpdk.org", "Cc": "conor.walsh@intel.com, kevin.laatz@intel.com, fengchengwen@huawei.com,\n jerinj@marvell.com, Bruce Richardson <bruce.richardson@intel.com>", "Date": "Wed, 13 Oct 2021 16:17:28 +0100", "Message-Id": "<20211013151736.762378-6-bruce.richardson@intel.com>", "X-Mailer": "git-send-email 2.30.2", "In-Reply-To": "<20211013151736.762378-1-bruce.richardson@intel.com>", "References": "<20210924102942.2878051-1-bruce.richardson@intel.com>\n <20211013151736.762378-1-bruce.richardson@intel.com>", "MIME-Version": "1.0", "Content-Transfer-Encoding": "8bit", "Subject": "[dpdk-dev] [PATCH v7 05/13] dmadev: add device iterator", "X-BeenThere": "dev@dpdk.org", "X-Mailman-Version": "2.1.29", "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": "Add a function and wrapper macro to iterate over all dma devices.\n\nSigned-off-by: Bruce Richardson <bruce.richardson@intel.com>\nReviewed-by: Conor Walsh <conor.walsh@intel.com>\nReviewed-by: Kevin Laatz <kevin.laatz@intel.com>\n---\n lib/dmadev/rte_dmadev.c | 13 +++++++++++++\n lib/dmadev/rte_dmadev.h | 18 ++++++++++++++++++\n lib/dmadev/version.map | 1 +\n 3 files changed, 32 insertions(+)", "diff": "diff --git a/lib/dmadev/rte_dmadev.c b/lib/dmadev/rte_dmadev.c\nindex c737cc6cdc..b6647e6ff8 100644\n--- a/lib/dmadev/rte_dmadev.c\n+++ b/lib/dmadev/rte_dmadev.c\n@@ -49,6 +49,19 @@ rte_dma_dev_max(size_t dev_max)\n \treturn 0;\n }\n \n+int16_t\n+rte_dma_next_dev(int16_t start_dev_id)\n+{\n+\tint16_t dev_id = start_dev_id;\n+\twhile (dev_id < dma_devices_max && rte_dma_devices[dev_id].state == RTE_DMA_DEV_UNUSED)\n+\t\tdev_id++;\n+\n+\tif (dev_id < dma_devices_max)\n+\t\treturn dev_id;\n+\n+\treturn -1;\n+}\n+\n static int\n dma_check_name(const char *name)\n {\ndiff --git a/lib/dmadev/rte_dmadev.h b/lib/dmadev/rte_dmadev.h\nindex a0824be20d..bf78748b0c 100644\n--- a/lib/dmadev/rte_dmadev.h\n+++ b/lib/dmadev/rte_dmadev.h\n@@ -220,6 +220,24 @@ bool rte_dma_is_valid(int16_t dev_id);\n __rte_experimental\n uint16_t rte_dma_count_avail(void);\n \n+/**\n+ * Iterates over valid dmadev instances.\n+ *\n+ * @param start_dev_id\n+ * The id of the next possible dmadev.\n+ * @return\n+ * Next valid dmadev, UINT16_MAX if there is none.\n+ */\n+__rte_experimental\n+int16_t rte_dma_next_dev(int16_t start_dev_id);\n+\n+/** Utility macro to iterate over all available dmadevs */\n+#define RTE_DMA_FOREACH_DEV(p) \\\n+\tfor (p = rte_dma_next_dev(0); \\\n+\t p != -1; \\\n+\t p = rte_dma_next_dev(p + 1))\n+\n+\n /**@{@name DMA capability\n * @see struct rte_dma_info::dev_capa\n */\ndiff --git a/lib/dmadev/version.map b/lib/dmadev/version.map\nindex 4bbfdd52f6..ef561acd46 100644\n--- a/lib/dmadev/version.map\n+++ b/lib/dmadev/version.map\n@@ -15,6 +15,7 @@ EXPERIMENTAL {\n \trte_dma_get_dev_id_by_name;\n \trte_dma_info_get;\n \trte_dma_is_valid;\n+\trte_dma_next_dev;\n \trte_dma_start;\n \trte_dma_stats_get;\n \trte_dma_stats_reset;\n", "prefixes": [ "v7", "05/13" ] }