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GET /api/patches/89138/?format=api
{ "id": 89138, "url": "http://patches.dpdk.org/api/patches/89138/?format=api", "web_url": "http://patches.dpdk.org/project/dpdk/patch/20210315153250.13695-1-akozyrev@nvidia.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": "<20210315153250.13695-1-akozyrev@nvidia.com>", "list_archive_url": "https://inbox.dpdk.org/dev/20210315153250.13695-1-akozyrev@nvidia.com", "date": "2021-03-15T15:32:50", "name": "net/mlx5: add power monitoring support", "commit_ref": null, "pull_url": null, "state": "superseded", "archived": true, "hash": "032b2f5cebabfb8b64f55fd009702f05ba4474f2", "submitter": { "id": 1873, "url": "http://patches.dpdk.org/api/people/1873/?format=api", "name": "Alexander Kozyrev", "email": "akozyrev@nvidia.com" }, "delegate": { "id": 3268, "url": "http://patches.dpdk.org/api/users/3268/?format=api", "username": "rasland", "first_name": "Raslan", "last_name": "Darawsheh", "email": "rasland@nvidia.com" }, "mbox": "http://patches.dpdk.org/project/dpdk/patch/20210315153250.13695-1-akozyrev@nvidia.com/mbox/", "series": [ { "id": 15661, "url": "http://patches.dpdk.org/api/series/15661/?format=api", "web_url": "http://patches.dpdk.org/project/dpdk/list/?series=15661", "date": "2021-03-15T15:32:50", "name": "net/mlx5: add power monitoring support", "version": 1, "mbox": "http://patches.dpdk.org/series/15661/mbox/" } ], "comments": "http://patches.dpdk.org/api/patches/89138/comments/", "check": "fail", "checks": "http://patches.dpdk.org/api/patches/89138/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 4F9FCA054F;\n\tMon, 15 Mar 2021 16:32:57 +0100 (CET)", "from [217.70.189.124] (localhost [127.0.0.1])\n\tby mails.dpdk.org (Postfix) with ESMTP id CFBF24068C;\n\tMon, 15 Mar 2021 16:32:56 +0100 (CET)", "from mellanox.co.il (mail-il-dmz.mellanox.com [193.47.165.129])\n by mails.dpdk.org (Postfix) with ESMTP id 6261C40687\n for <dev@dpdk.org>; Mon, 15 Mar 2021 16:32:54 +0100 (CET)", "from Internal Mail-Server by MTLPINE1 (envelope-from\n akozyrev@nvidia.com) with SMTP; 15 Mar 2021 17:32:52 +0200", "from nvidia.com (pegasus02.mtr.labs.mlnx [10.210.16.122])\n by labmailer.mlnx (8.13.8/8.13.8) with ESMTP id 12FFWqBC004379;\n Mon, 15 Mar 2021 17:32:52 +0200" ], "From": "Alexander Kozyrev <akozyrev@nvidia.com>", "To": "dev@dpdk.org", "Cc": "rasland@nvidia.com, viacheslavo@nvidia.com, matan@nvidia.com", "Date": "Mon, 15 Mar 2021 15:32:50 +0000", "Message-Id": "<20210315153250.13695-1-akozyrev@nvidia.com>", "X-Mailer": "git-send-email 2.24.1", "MIME-Version": "1.0", "Content-Transfer-Encoding": "8bit", "Subject": "[dpdk-dev] [PATCH] net/mlx5: add power monitoring support", "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": "Support the PMD power management API in MLX5 driver.\nThe monitor policy of this API puts a CPU core to sleep until\na data in some monitored memory address is changed by the NIC.\nImplement the get_monitor_addr function to return an address\nof a CQE owner bit to monitor the arrival of a new packet.\n\nSigned-off-by: Alexander Kozyrev <akozyrev@nvidia.com>\n---\n doc/guides/rel_notes/release_21_05.rst | 4 ++++\n drivers/net/mlx5/mlx5.c | 2 ++\n drivers/net/mlx5/mlx5_rxtx.c | 19 +++++++++++++++++++\n drivers/net/mlx5/mlx5_rxtx.h | 1 +\n 4 files changed, 26 insertions(+)", "diff": "diff --git a/doc/guides/rel_notes/release_21_05.rst b/doc/guides/rel_notes/release_21_05.rst\nindex f262d48e82..928eafd92f 100644\n--- a/doc/guides/rel_notes/release_21_05.rst\n+++ b/doc/guides/rel_notes/release_21_05.rst\n@@ -65,6 +65,10 @@ New Features\n * Added support for freeing Tx mbuf on demand.\n * Added support for copper port in Kunpeng930.\n \n+* **Updated Mellanox mlx5 driver.**\n+\n+ * Added support for the monitor policy of Power Management API.\n+\n * **Updated NXP DPAA driver.**\n \n * Added support for shared ethernet interface.\ndiff --git a/drivers/net/mlx5/mlx5.c b/drivers/net/mlx5/mlx5.c\nindex abd7ff70df..7b419deb2c 100644\n--- a/drivers/net/mlx5/mlx5.c\n+++ b/drivers/net/mlx5/mlx5.c\n@@ -1496,6 +1496,7 @@ const struct eth_dev_ops mlx5_dev_ops = {\n \t.hairpin_queue_peer_update = mlx5_hairpin_queue_peer_update,\n \t.hairpin_queue_peer_bind = mlx5_hairpin_queue_peer_bind,\n \t.hairpin_queue_peer_unbind = mlx5_hairpin_queue_peer_unbind,\n+\t.get_monitor_addr = mlx5_get_monitor_addr,\n };\n \n /* Available operations from secondary process. */\n@@ -1580,6 +1581,7 @@ const struct eth_dev_ops mlx5_dev_ops_isolate = {\n \t.hairpin_queue_peer_update = mlx5_hairpin_queue_peer_update,\n \t.hairpin_queue_peer_bind = mlx5_hairpin_queue_peer_bind,\n \t.hairpin_queue_peer_unbind = mlx5_hairpin_queue_peer_unbind,\n+\t.get_monitor_addr = mlx5_get_monitor_addr,\n };\n \n /**\ndiff --git a/drivers/net/mlx5/mlx5_rxtx.c b/drivers/net/mlx5/mlx5_rxtx.c\nindex e3ce9fd224..0fc0c2096a 100644\n--- a/drivers/net/mlx5/mlx5_rxtx.c\n+++ b/drivers/net/mlx5/mlx5_rxtx.c\n@@ -712,6 +712,25 @@ mlx5_rx_queue_count(struct rte_eth_dev *dev, uint16_t rx_queue_id)\n \treturn rx_queue_count(rxq);\n }\n \n+int mlx5_get_monitor_addr(void *rx_queue, struct rte_power_monitor_cond *pmc)\n+{\n+\tstruct mlx5_rxq_data *rxq = rx_queue;\n+\tconst unsigned int cqe_num = 1 << rxq->cqe_n;\n+\tconst unsigned int cqe_mask = cqe_num - 1;\n+\tconst uint16_t idx = rxq->cq_ci & cqe_num;\n+\tvolatile struct mlx5_cqe *cqe = &(*rxq->cqes)[rxq->cq_ci & cqe_mask];\n+\n+\tif (unlikely(!cqe)) {\n+\t\trte_errno = EINVAL;\n+\t\treturn -rte_errno;\n+\t}\n+\tpmc->addr = &cqe->op_own;\n+\tpmc->val = !!idx;\n+\tpmc->mask = MLX5_CQE_OWNER_MASK;\n+\tpmc->size = sizeof(uint8_t);\n+\treturn 0;\n+}\n+\n #define MLX5_SYSTEM_LOG_DIR \"/var/log\"\n /**\n * Dump debug information to log file.\ndiff --git a/drivers/net/mlx5/mlx5_rxtx.h b/drivers/net/mlx5/mlx5_rxtx.h\nindex 0fd98af9d1..35a1bba486 100644\n--- a/drivers/net/mlx5/mlx5_rxtx.h\n+++ b/drivers/net/mlx5/mlx5_rxtx.h\n@@ -441,6 +441,7 @@ int mlx5_rx_burst_mode_get(struct rte_eth_dev *dev, uint16_t rx_queue_id,\n \t\t\t struct rte_eth_burst_mode *mode);\n int mlx5_tx_burst_mode_get(struct rte_eth_dev *dev, uint16_t tx_queue_id,\n \t\t\t struct rte_eth_burst_mode *mode);\n+int mlx5_get_monitor_addr(void *rx_queue, struct rte_power_monitor_cond *pmc);\n \n /* Vectorized version of mlx5_rxtx.c */\n int mlx5_rxq_check_vec_support(struct mlx5_rxq_data *rxq_data);\n", "prefixes": [] }