From patchwork Wed Jun 15 03:03:34 2016 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Wenzhuo Lu X-Patchwork-Id: 13748 X-Patchwork-Delegate: thomas@monjalon.net Return-Path: X-Original-To: patchwork@dpdk.org Delivered-To: patchwork@dpdk.org Received: from [92.243.14.124] (localhost [IPv6:::1]) by dpdk.org (Postfix) with ESMTP id 67815ADD7; Wed, 15 Jun 2016 05:03:55 +0200 (CEST) Received: from mga11.intel.com (mga11.intel.com [192.55.52.93]) by dpdk.org (Postfix) with ESMTP id B9664ADC5 for ; Wed, 15 Jun 2016 05:03:50 +0200 (CEST) Received: from fmsmga001.fm.intel.com ([10.253.24.23]) by fmsmga102.fm.intel.com with ESMTP; 14 Jun 2016 20:03:50 -0700 X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="5.26,474,1459839600"; d="scan'208";a="987659634" Received: from shvmail01.sh.intel.com ([10.239.29.42]) by fmsmga001.fm.intel.com with ESMTP; 14 Jun 2016 20:03:49 -0700 Received: from shecgisg004.sh.intel.com (shecgisg004.sh.intel.com [10.239.29.89]) by shvmail01.sh.intel.com with ESMTP id u5F33kGH023162; Wed, 15 Jun 2016 11:03:46 +0800 Received: from shecgisg004.sh.intel.com (localhost [127.0.0.1]) by shecgisg004.sh.intel.com (8.13.6/8.13.6/SuSE Linux 0.8) with ESMTP id u5F33hRR016620; Wed, 15 Jun 2016 11:03:45 +0800 Received: (from wenzhuol@localhost) by shecgisg004.sh.intel.com (8.13.6/8.13.6/Submit) id u5F33ha9016616; Wed, 15 Jun 2016 11:03:43 +0800 From: Wenzhuo Lu To: dev@dpdk.org Cc: konstantin.ananyev@intel.com, bruce.richardson@intel.com, jing.d.chen@intel.com, cunming.liang@intel.com, jingjing.wu@intel.com, helin.zhang@intel.com, Zhe Tao Date: Wed, 15 Jun 2016 11:03:34 +0800 Message-Id: <1465959814-16557-5-git-send-email-wenzhuo.lu@intel.com> X-Mailer: git-send-email 1.7.4.1 In-Reply-To: <1465959814-16557-1-git-send-email-wenzhuo.lu@intel.com> References: <1465191653-28408-1-git-send-email-wenzhuo.lu@intel.com> <1465959814-16557-1-git-send-email-wenzhuo.lu@intel.com> Subject: [dpdk-dev] [PATCH v5 4/4] i40e: implement device reset on VF X-BeenThere: dev@dpdk.org X-Mailman-Version: 2.1.15 Precedence: list List-Id: patches and discussions about DPDK List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: dev-bounces@dpdk.org Sender: "dev" Implement the device reset function. This reset function will detach device then attach device, reconfigure dev, re-setup the Rx/Tx queues. Signed-off-by: Zhe Tao --- doc/guides/rel_notes/release_16_07.rst | 4 ++ drivers/net/i40e/i40e_ethdev.h | 4 ++ drivers/net/i40e/i40e_ethdev_vf.c | 83 ++++++++++++++++++++++++++++++++++ drivers/net/i40e/i40e_rxtx.c | 10 ++++ drivers/net/i40e/i40e_rxtx.h | 4 ++ 5 files changed, 105 insertions(+) diff --git a/doc/guides/rel_notes/release_16_07.rst b/doc/guides/rel_notes/release_16_07.rst index a4c0cc3..6661b07 100644 --- a/doc/guides/rel_notes/release_16_07.rst +++ b/doc/guides/rel_notes/release_16_07.rst @@ -62,6 +62,10 @@ New Features callback in the message handler to notice the APP. APP need call the device reset API to reset the VF port. +* **Added VF reset support for i40e VF driver.** + + Added a new implementaion to allow i40e VF driver to + reset the functionality and state of itself. Resolved Issues --------------- diff --git a/drivers/net/i40e/i40e_ethdev.h b/drivers/net/i40e/i40e_ethdev.h index cfd2399..4e0df3b 100644 --- a/drivers/net/i40e/i40e_ethdev.h +++ b/drivers/net/i40e/i40e_ethdev.h @@ -540,6 +540,8 @@ struct i40e_adapter { struct rte_timecounter systime_tc; struct rte_timecounter rx_tstamp_tc; struct rte_timecounter tx_tstamp_tc; + /* For VF reset */ + uint8_t reset_number; }; int i40e_dev_switch_queues(struct i40e_pf *pf, bool on); @@ -593,6 +595,8 @@ void i40e_rxq_info_get(struct rte_eth_dev *dev, uint16_t queue_id, void i40e_txq_info_get(struct rte_eth_dev *dev, uint16_t queue_id, struct rte_eth_txq_info *qinfo); +void i40evf_emulate_vf_reset(uint8_t port_id); + /* I40E_DEV_PRIVATE_TO */ #define I40E_DEV_PRIVATE_TO_PF(adapter) \ (&((struct i40e_adapter *)adapter)->pf) diff --git a/drivers/net/i40e/i40e_ethdev_vf.c b/drivers/net/i40e/i40e_ethdev_vf.c index 90682ac..2f65a29 100644 --- a/drivers/net/i40e/i40e_ethdev_vf.c +++ b/drivers/net/i40e/i40e_ethdev_vf.c @@ -157,6 +157,12 @@ i40evf_dev_rx_queue_intr_disable(struct rte_eth_dev *dev, uint16_t queue_id); static void i40evf_handle_pf_event(__rte_unused struct rte_eth_dev *dev, uint8_t *msg, uint16_t msglen); +static int i40evf_dev_uninit(struct rte_eth_dev *eth_dev); +static int i40evf_dev_init(struct rte_eth_dev *eth_dev); +static void i40evf_dev_close(struct rte_eth_dev *dev); +static int i40evf_dev_start(struct rte_eth_dev *dev); +static int i40evf_dev_configure(struct rte_eth_dev *dev); +static int i40evf_handle_vf_reset(struct rte_eth_dev *dev); /* Default hash key buffer for RSS */ static uint32_t rss_key_default[I40E_VFQF_HKEY_MAX_INDEX + 1]; @@ -223,6 +229,7 @@ static const struct eth_dev_ops i40evf_eth_dev_ops = { .reta_query = i40evf_dev_rss_reta_query, .rss_hash_update = i40evf_dev_rss_hash_update, .rss_hash_conf_get = i40evf_dev_rss_hash_conf_get, + .dev_reset = i40evf_handle_vf_reset }; /* @@ -1309,6 +1316,82 @@ i40evf_uninit_vf(struct rte_eth_dev *dev) } static void +i40e_vf_queue_reset(struct rte_eth_dev *dev) +{ + uint16_t i; + + for (i = 0; i < dev->data->nb_rx_queues; i++) { + struct i40e_rx_queue *rxq = dev->data->rx_queues[i]; + + if (rxq->q_set) { + i40e_dev_rx_queue_setup(dev, + rxq->queue_id, + rxq->nb_rx_desc, + rxq->socket_id, + &rxq->rxconf, + rxq->mp); + } + } + for (i = 0; i < dev->data->nb_tx_queues; i++) { + struct i40e_tx_queue *txq = dev->data->tx_queues[i]; + + if (txq->q_set) { + i40e_dev_tx_queue_setup(dev, + txq->queue_id, + txq->nb_tx_desc, + txq->socket_id, + &txq->txconf); + } + } +} + +static void +i40e_vf_reset_dev(struct rte_eth_dev *dev) +{ + struct i40e_adapter *adapter = + I40E_DEV_PRIVATE_TO_ADAPTER(dev->data->dev_private); + + i40evf_dev_close(dev); + PMD_DRV_LOG(DEBUG, "i40evf dev close complete"); + i40evf_dev_uninit(dev); + PMD_DRV_LOG(DEBUG, "i40evf dev detached"); + memset(dev->data->dev_private, 0, + (uint64_t)&adapter->reset_number - (uint64_t)adapter); + + i40evf_dev_configure(dev); + i40evf_dev_init(dev); + PMD_DRV_LOG(DEBUG, "i40evf dev attached"); + i40e_vf_queue_reset(dev); + PMD_DRV_LOG(DEBUG, "i40evf queue reset"); + i40evf_dev_start(dev); + PMD_DRV_LOG(DEBUG, "i40evf dev restart"); +} + +static int +i40evf_handle_vf_reset(struct rte_eth_dev *dev) +{ + struct i40e_adapter *adapter = + I40E_DEV_PRIVATE_TO_ADAPTER(dev->data->dev_private); + + if (!dev->data->dev_started) + return 0; + + adapter->reset_number = 1; + i40e_vf_reset_dev(dev); + adapter->reset_number = 0; + + return 0; +} + +void +i40evf_emulate_vf_reset(uint8_t port_id) +{ + struct rte_eth_dev *dev = &rte_eth_devices[port_id]; + + i40evf_handle_vf_reset(dev); +} + +static void i40evf_handle_pf_event(__rte_unused struct rte_eth_dev *dev, uint8_t *msg, __rte_unused uint16_t msglen) diff --git a/drivers/net/i40e/i40e_rxtx.c b/drivers/net/i40e/i40e_rxtx.c index c833aa3..8dbc64c 100644 --- a/drivers/net/i40e/i40e_rxtx.c +++ b/drivers/net/i40e/i40e_rxtx.c @@ -2148,6 +2148,7 @@ i40e_dev_rx_queue_setup(struct rte_eth_dev *dev, uint16_t len, i; uint16_t base, bsf, tc_mapping; int use_def_burst_func = 1; + struct rte_eth_rxconf conf = *rx_conf; if (hw->mac.type == I40E_MAC_VF || hw->mac.type == I40E_MAC_X722_VF) { struct i40e_vf *vf = @@ -2186,6 +2187,8 @@ i40e_dev_rx_queue_setup(struct rte_eth_dev *dev, return -ENOMEM; } rxq->mp = mp; + rxq->socket_id = socket_id; + rxq->rxconf = conf; rxq->nb_rx_desc = nb_desc; rxq->rx_free_thresh = rx_conf->rx_free_thresh; rxq->queue_id = queue_idx; @@ -2365,6 +2368,7 @@ i40e_dev_tx_queue_setup(struct rte_eth_dev *dev, uint32_t ring_size; uint16_t tx_rs_thresh, tx_free_thresh; uint16_t i, base, bsf, tc_mapping; + struct rte_eth_txconf conf = *tx_conf; if (hw->mac.type == I40E_MAC_VF || hw->mac.type == I40E_MAC_X722_VF) { struct i40e_vf *vf = @@ -2488,6 +2492,8 @@ i40e_dev_tx_queue_setup(struct rte_eth_dev *dev, } txq->nb_tx_desc = nb_desc; + txq->socket_id = socket_id; + txq->txconf = conf; txq->tx_rs_thresh = tx_rs_thresh; txq->tx_free_thresh = tx_free_thresh; txq->pthresh = tx_conf->tx_thresh.pthresh; @@ -2950,8 +2956,12 @@ void i40e_dev_free_queues(struct rte_eth_dev *dev) { uint16_t i; + struct i40e_adapter *adapter = + I40E_DEV_PRIVATE_TO_ADAPTER(dev->data->dev_private); PMD_INIT_FUNC_TRACE(); + if (adapter->reset_number) + return; for (i = 0; i < dev->data->nb_rx_queues; i++) { i40e_dev_rx_queue_release(dev->data->rx_queues[i]); diff --git a/drivers/net/i40e/i40e_rxtx.h b/drivers/net/i40e/i40e_rxtx.h index 98179f0..9e1b05a 100644 --- a/drivers/net/i40e/i40e_rxtx.h +++ b/drivers/net/i40e/i40e_rxtx.h @@ -140,6 +140,8 @@ struct i40e_rx_queue { bool rx_deferred_start; /**< don't start this queue in dev start */ uint16_t rx_using_sse; /**