From patchwork Wed Jun 10 12:21:35 2015 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Michael Qiu X-Patchwork-Id: 5347 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 CDADAC2FC; Wed, 10 Jun 2015 14:22:12 +0200 (CEST) Received: from mga03.intel.com (mga03.intel.com [134.134.136.65]) by dpdk.org (Postfix) with ESMTP id 702EDBDC2 for ; Wed, 10 Jun 2015 14:22:10 +0200 (CEST) Received: from orsmga002.jf.intel.com ([10.7.209.21]) by orsmga103.jf.intel.com with ESMTP; 10 Jun 2015 05:22:09 -0700 X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="5.13,587,1427785200"; d="scan'208";a="744250801" Received: from shvmail01.sh.intel.com ([10.239.29.42]) by orsmga002.jf.intel.com with ESMTP; 10 Jun 2015 05:22:08 -0700 Received: from shecgisg004.sh.intel.com (shecgisg004.sh.intel.com [10.239.29.89]) by shvmail01.sh.intel.com with ESMTP id t5ACM61C002798; Wed, 10 Jun 2015 20:22:06 +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 t5ACM28K016382; Wed, 10 Jun 2015 20:22:04 +0800 Received: (from dayuqiu@localhost) by shecgisg004.sh.intel.com (8.13.6/8.13.6/Submit) id t5ACM2aO016378; Wed, 10 Jun 2015 20:22:02 +0800 From: Michael Qiu To: dev@dpdk.org Date: Wed, 10 Jun 2015 20:21:35 +0800 Message-Id: <1433938895-16331-3-git-send-email-michael.qiu@intel.com> X-Mailer: git-send-email 1.7.4.1 In-Reply-To: <1433938895-16331-1-git-send-email-michael.qiu@intel.com> References: <1433083021-16701-1-git-send-email-michael.qiu@intel.com> <1433938895-16331-1-git-send-email-michael.qiu@intel.com> Cc: shaopeng.he@intel.com Subject: [dpdk-dev] [PATCH 2/2] fm10k: Add hotplug support for fm10k 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" Add hotplug support for fm10k. Signed-off-by: Michael Qiu --- drivers/net/fm10k/fm10k_ethdev.c | 97 +++++++++++++++++++++++++++++++++++++++- 1 file changed, 96 insertions(+), 1 deletion(-) diff --git a/drivers/net/fm10k/fm10k_ethdev.c b/drivers/net/fm10k/fm10k_ethdev.c index e310698..0d3eaf1 100644 --- a/drivers/net/fm10k/fm10k_ethdev.c +++ b/drivers/net/fm10k/fm10k_ethdev.c @@ -1412,6 +1412,36 @@ fm10k_dev_enable_intr_pf(struct rte_eth_dev *dev) } static void +fm10k_dev_disable_intr_pf(struct rte_eth_dev *dev) +{ + struct fm10k_hw *hw = FM10K_DEV_PRIVATE_TO_HW(dev->data->dev_private); + uint32_t int_map = FM10K_INT_MAP_DISABLE; + + int_map |= 0; + + FM10K_WRITE_REG(hw, FM10K_INT_MAP(fm10k_int_Mailbox), int_map); + FM10K_WRITE_REG(hw, FM10K_INT_MAP(fm10k_int_PCIeFault), int_map); + FM10K_WRITE_REG(hw, FM10K_INT_MAP(fm10k_int_SwitchUpDown), int_map); + FM10K_WRITE_REG(hw, FM10K_INT_MAP(fm10k_int_SwitchEvent), int_map); + FM10K_WRITE_REG(hw, FM10K_INT_MAP(fm10k_int_SRAM), int_map); + FM10K_WRITE_REG(hw, FM10K_INT_MAP(fm10k_int_VFLR), int_map); + + /* Disable misc causes */ + FM10K_WRITE_REG(hw, FM10K_EIMR, FM10K_EIMR_DISABLE(PCA_FAULT) | + FM10K_EIMR_DISABLE(THI_FAULT) | + FM10K_EIMR_DISABLE(FUM_FAULT) | + FM10K_EIMR_DISABLE(MAILBOX) | + FM10K_EIMR_DISABLE(SWITCHREADY) | + FM10K_EIMR_DISABLE(SWITCHNOTREADY) | + FM10K_EIMR_DISABLE(SRAMERROR) | + FM10K_EIMR_DISABLE(VFLR)); + + /* Disable ITR 0 */ + FM10K_WRITE_REG(hw, FM10K_ITR(0), FM10K_ITR_MASK_SET); + FM10K_WRITE_FLUSH(hw); +} + +static void fm10k_dev_enable_intr_vf(struct rte_eth_dev *dev) { struct fm10k_hw *hw = FM10K_DEV_PRIVATE_TO_HW(dev->data->dev_private); @@ -1429,6 +1459,22 @@ fm10k_dev_enable_intr_vf(struct rte_eth_dev *dev) FM10K_WRITE_FLUSH(hw); } +static void +fm10k_dev_disable_intr_vf(struct rte_eth_dev *dev) +{ + struct fm10k_hw *hw = FM10K_DEV_PRIVATE_TO_HW(dev->data->dev_private); + uint32_t int_map = FM10K_INT_MAP_DISABLE; + + int_map |= 0; + + /* Only INT 0 available, other 15 are reserved. */ + FM10K_WRITE_REG(hw, FM10K_VFINT_MAP, int_map); + + /* Disable ITR 0 */ + FM10K_WRITE_REG(hw, FM10K_VFITR(0), FM10K_ITR_MASK_SET); + FM10K_WRITE_FLUSH(hw); +} + static int fm10k_dev_handle_fault(struct fm10k_hw *hw, uint32_t eicr) { @@ -1858,6 +1904,54 @@ eth_fm10k_dev_init(struct rte_eth_dev *dev) return 0; } +static int +eth_fm10k_dev_uninit(struct rte_eth_dev *dev) +{ + struct fm10k_hw *hw = FM10K_DEV_PRIVATE_TO_HW(dev->data->dev_private); + + PMD_INIT_FUNC_TRACE(); + + /* only uninitialize in the primary process */ + if (rte_eal_process_type() != RTE_PROC_PRIMARY) + return 0; + + /* safe to close dev here */ + fm10k_dev_close(dev); + + dev->dev_ops = NULL; + dev->rx_pkt_burst = NULL; + dev->tx_pkt_burst = NULL; + + /* disable uio/vfio intr */ + rte_intr_disable(&(dev->pci_dev->intr_handle)); + + /*PF/VF has different interrupt handling mechanism */ + if (hw->mac.type == fm10k_mac_pf) { + /* disable interrupt */ + fm10k_dev_disable_intr_pf(dev); + + /* unregister callback func to eal lib */ + rte_intr_callback_unregister(&(dev->pci_dev->intr_handle), + fm10k_dev_interrupt_handler_pf, (void *)dev); + } else { + /* disable interrupt */ + fm10k_dev_disable_intr_vf(dev); + + rte_intr_callback_unregister(&(dev->pci_dev->intr_handle), + fm10k_dev_interrupt_handler_vf, (void *)dev); + } + + /* free mac memory */ + if (dev->data->mac_addrs) { + rte_free(dev->data->mac_addrs); + dev->data->mac_addrs = NULL; + } + + memset(hw, 0, sizeof(*hw)); + + return 0; +} + /* * The set of PCI devices this driver supports. This driver will enable both PF * and SRIOV-VF devices. @@ -1873,9 +1967,10 @@ static struct eth_driver rte_pmd_fm10k = { { .name = "rte_pmd_fm10k", .id_table = pci_id_fm10k_map, - .drv_flags = RTE_PCI_DRV_NEED_MAPPING, + .drv_flags = RTE_PCI_DRV_NEED_MAPPING | RTE_PCI_DRV_DETACHABLE, }, .eth_dev_init = eth_fm10k_dev_init, + .eth_dev_uninit = eth_fm10k_dev_uninit, .dev_private_size = sizeof(struct fm10k_adapter), };