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GET /api/patches/99151/?format=api
{ "id": 99151, "url": "http://patchwork.dpdk.org/api/patches/99151/?format=api", "web_url": "http://patchwork.dpdk.org/project/dpdk/patch/20210917133056.90326-4-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": "<20210917133056.90326-4-bruce.richardson@intel.com>", "list_archive_url": "https://inbox.dpdk.org/dev/20210917133056.90326-4-bruce.richardson@intel.com", "date": "2021-09-17T13:30:50", "name": "[v4,3/9] dmadev: add device iterator", "commit_ref": null, "pull_url": null, "state": "superseded", "archived": true, "hash": "1003d7e1f5d3e388a1569da4c4e0c423c9b14313", "submitter": { "id": 20, "url": "http://patchwork.dpdk.org/api/people/20/?format=api",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/20210917133056.90326-4-bruce.richardson@intel.com/mbox/", "series": [ { "id": 19016, "url": "http://patchwork.dpdk.org/api/series/19016/?format=api", "web_url": "http://patchwork.dpdk.org/project/dpdk/list/?series=19016", "date": "2021-09-17T13:30:47", "name": "add test suite for DMA drivers", "version": 4, "mbox": "http://patchwork.dpdk.org/series/19016/mbox/" } ], "comments": "http://patchwork.dpdk.org/api/patches/99151/comments/", "check": "success", "checks": "http://patchwork.dpdk.org/api/patches/99151/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 32D3AA0C46;\n\tFri, 17 Sep 2021 15:31:26 +0200 (CEST)", "from [217.70.189.124] (localhost [127.0.0.1])\n\tby mails.dpdk.org (Postfix) with ESMTP id 99C5F410FC;\n\tFri, 17 Sep 2021 15:31:16 +0200 (CEST)", "from mga06.intel.com (mga06.intel.com [134.134.136.31])\n by mails.dpdk.org (Postfix) with ESMTP id E9CCF410F8\n for <dev@dpdk.org>; Fri, 17 Sep 2021 15:31:14 +0200 (CEST)", "from fmsmga005.fm.intel.com ([10.253.24.32])\n by orsmga104.jf.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384;\n 17 Sep 2021 06:31:14 -0700", "from silpixa00399126.ir.intel.com ([10.237.223.29])\n by fmsmga005.fm.intel.com with ESMTP; 17 Sep 2021 06:31:12 -0700" ], "X-IronPort-AV": [ "E=McAfee;i=\"6200,9189,10109\"; a=\"283805327\"", "E=Sophos;i=\"5.85,301,1624345200\"; d=\"scan'208\";a=\"283805327\"", "E=Sophos;i=\"5.85,301,1624345200\"; d=\"scan'208\";a=\"701256296\"" ], "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": "Fri, 17 Sep 2021 14:30:50 +0100", "Message-Id": "<20210917133056.90326-4-bruce.richardson@intel.com>", "X-Mailer": "git-send-email 2.30.2", "In-Reply-To": "<20210917133056.90326-1-bruce.richardson@intel.com>", "References": "<20210826183301.333442-1-bruce.richardson@intel.com>\n <20210917133056.90326-1-bruce.richardson@intel.com>", "MIME-Version": "1.0", "Content-Transfer-Encoding": "8bit", "Subject": "[dpdk-dev] [PATCH v4 3/9] 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>\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 ed342e0d32..ba189f3539 100644\n--- a/lib/dmadev/rte_dmadev.c\n+++ b/lib/dmadev/rte_dmadev.c\n@@ -55,6 +55,19 @@ rte_dma_dev_max(size_t dev_max)\n \treturn 0;\n }\n \n+uint16_t\n+rte_dma_next_dev(uint16_t start_dev_id)\n+{\n+\tuint16_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 UINT16_MAX;\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 be4bb18ee6..d262b8ed8d 100644\n--- a/lib/dmadev/rte_dmadev.h\n+++ b/lib/dmadev/rte_dmadev.h\n@@ -219,6 +219,24 @@ 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+uint16_t rte_dma_next_dev(uint16_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 (uint16_t)p < UINT16_MAX; \\\n+\t p = rte_dma_next_dev(p + 1))\n+\n+\n /** DMA device support memory-to-memory transfer.\n *\n * @see struct rte_dma_info::dev_capa\ndiff --git a/lib/dmadev/version.map b/lib/dmadev/version.map\nindex 66420c4ede..0ab570a1be 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;\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": [ "v4", "3/9" ] }