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GET /api/patches/97894/?format=api
{ "id": 97894, "url": "http://patches.dpdk.org/api/patches/97894/?format=api", "web_url": "http://patches.dpdk.org/project/dpdk/patch/20210903105001.1179328-14-kevin.laatz@intel.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": "<20210903105001.1179328-14-kevin.laatz@intel.com>", "list_archive_url": "https://inbox.dpdk.org/dev/20210903105001.1179328-14-kevin.laatz@intel.com", "date": "2021-09-03T10:49:58", "name": "[v2,13/16] dma/idxd: add vchan idle function", "commit_ref": null, "pull_url": null, "state": "superseded", "archived": true, "hash": "998649c261a807e81436066f8efb81cc661ff1f3", "submitter": { "id": 921, "url": "http://patches.dpdk.org/api/people/921/?format=api", "name": "Kevin Laatz", "email": "kevin.laatz@intel.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/20210903105001.1179328-14-kevin.laatz@intel.com/mbox/", "series": [ { "id": 18658, "url": "http://patches.dpdk.org/api/series/18658/?format=api", "web_url": "http://patches.dpdk.org/project/dpdk/list/?series=18658", "date": "2021-09-03T10:49:45", "name": "add dmadev driver for idxd devices", "version": 2, "mbox": "http://patches.dpdk.org/series/18658/mbox/" } ], "comments": "http://patches.dpdk.org/api/patches/97894/comments/", "check": "success", "checks": "http://patches.dpdk.org/api/patches/97894/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 A9036A0C54;\n\tFri, 3 Sep 2021 12:51:32 +0200 (CEST)", "from [217.70.189.124] (localhost [127.0.0.1])\n\tby mails.dpdk.org (Postfix) with ESMTP id D892541160;\n\tFri, 3 Sep 2021 12:50:36 +0200 (CEST)", "from mga11.intel.com (mga11.intel.com [192.55.52.93])\n by mails.dpdk.org (Postfix) with ESMTP id 507C94115C\n for <dev@dpdk.org>; Fri, 3 Sep 2021 12:50:35 +0200 (CEST)", "from fmsmga004.fm.intel.com ([10.253.24.48])\n by fmsmga102.fm.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384;\n 03 Sep 2021 03:50:35 -0700", "from silpixa00401122.ir.intel.com ([10.55.128.10])\n by fmsmga004.fm.intel.com with ESMTP; 03 Sep 2021 03:50:33 -0700" ], "X-IronPort-AV": [ "E=McAfee;i=\"6200,9189,10095\"; a=\"216247405\"", "E=Sophos;i=\"5.85,265,1624345200\"; d=\"scan'208\";a=\"216247405\"", "E=Sophos;i=\"5.85,265,1624345200\"; d=\"scan'208\";a=\"521643641\"" ], "X-ExtLoop1": "1", "From": "Kevin Laatz <kevin.laatz@intel.com>", "To": "dev@dpdk.org", "Cc": "bruce.richardson@intel.com, fengchengwen@huawei.com, jerinj@marvell.com,\n conor.walsh@intel.com, Kevin Laatz <kevin.laatz@intel.com>", "Date": "Fri, 3 Sep 2021 10:49:58 +0000", "Message-Id": "<20210903105001.1179328-14-kevin.laatz@intel.com>", "X-Mailer": "git-send-email 2.30.2", "In-Reply-To": "<20210903105001.1179328-1-kevin.laatz@intel.com>", "References": "<20210827172048.558704-1-kevin.laatz@intel.com>\n <20210903105001.1179328-1-kevin.laatz@intel.com>", "MIME-Version": "1.0", "Content-Transfer-Encoding": "8bit", "Subject": "[dpdk-dev] [PATCH v2 13/16] dma/idxd: add vchan idle function", "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": "When testing dmadev drivers, it is useful to have the HW device in a known\nstate. This patch adds the implementation of the function which will wait\nfor the device to be idle (all jobs completed) before proceeding.\n\nSigned-off-by: Kevin Laatz <kevin.laatz@intel.com>\n---\n drivers/dma/idxd/idxd_bus.c | 1 +\n drivers/dma/idxd/idxd_common.c | 10 ++++++++++\n drivers/dma/idxd/idxd_internal.h | 1 +\n drivers/dma/idxd/idxd_pci.c | 1 +\n 4 files changed, 13 insertions(+)", "diff": "diff --git a/drivers/dma/idxd/idxd_bus.c b/drivers/dma/idxd/idxd_bus.c\nindex 9482dab9be..4788bbf6d7 100644\n--- a/drivers/dma/idxd/idxd_bus.c\n+++ b/drivers/dma/idxd/idxd_bus.c\n@@ -100,6 +100,7 @@ static const struct rte_dmadev_ops idxd_vdev_ops = {\n \t\t.dev_info_get = idxd_info_get,\n \t\t.stats_get = idxd_stats_get,\n \t\t.stats_reset = idxd_stats_reset,\n+\t\t.vchan_idle = idxd_vchan_idle,\n };\n \n static void *\ndiff --git a/drivers/dma/idxd/idxd_common.c b/drivers/dma/idxd/idxd_common.c\nindex 7c72396dc8..ab43875409 100644\n--- a/drivers/dma/idxd/idxd_common.c\n+++ b/drivers/dma/idxd/idxd_common.c\n@@ -165,6 +165,16 @@ get_comp_status(struct idxd_completion *c)\n \t}\n }\n \n+int\n+idxd_vchan_idle(const struct rte_dmadev *dev, uint16_t vchan __rte_unused)\n+{\n+\tstruct idxd_dmadev *idxd = dev->dev_private;\n+\tuint16_t last_batch_write = idxd->batch_idx_write == 0 ? idxd->max_batches :\n+\t\t\tidxd->batch_idx_write - 1;\n+\n+\treturn (idxd->batch_comp_ring[last_batch_write].status != 0);\n+}\n+\n static __rte_always_inline int\n batch_ok(struct idxd_dmadev *idxd, uint8_t max_ops, enum rte_dma_status_code *status)\n {\ndiff --git a/drivers/dma/idxd/idxd_internal.h b/drivers/dma/idxd/idxd_internal.h\nindex 5079b4207d..a865ae1954 100644\n--- a/drivers/dma/idxd/idxd_internal.h\n+++ b/drivers/dma/idxd/idxd_internal.h\n@@ -98,5 +98,6 @@ uint16_t idxd_completed_status(struct rte_dmadev *dev, uint16_t qid __rte_unused\n int idxd_stats_get(const struct rte_dmadev *dev, uint16_t vchan,\n \t\tstruct rte_dmadev_stats *stats, uint32_t stats_sz);\n int idxd_stats_reset(struct rte_dmadev *dev, uint16_t vchan);\n+int idxd_vchan_idle(const struct rte_dmadev *dev, uint16_t vchan);\n \n #endif /* _IDXD_INTERNAL_H_ */\ndiff --git a/drivers/dma/idxd/idxd_pci.c b/drivers/dma/idxd/idxd_pci.c\nindex a84232b6e9..b7a079ac52 100644\n--- a/drivers/dma/idxd/idxd_pci.c\n+++ b/drivers/dma/idxd/idxd_pci.c\n@@ -118,6 +118,7 @@ static const struct rte_dmadev_ops idxd_pci_ops = {\n \t.stats_reset = idxd_stats_reset,\n \t.dev_start = idxd_pci_dev_start,\n \t.dev_stop = idxd_pci_dev_stop,\n+\t.vchan_idle = idxd_vchan_idle,\n };\n \n /* each portal uses 4 x 4k pages */\n", "prefixes": [ "v2", "13/16" ] }