From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from mga14.intel.com (mga14.intel.com [192.55.52.115]) by dpdk.org (Postfix) with ESMTP id 173EA2E81 for ; Fri, 30 Jan 2015 06:08:20 +0100 (CET) Received: from fmsmga002.fm.intel.com ([10.253.24.26]) by fmsmga103.fm.intel.com with ESMTP; 29 Jan 2015 21:02:03 -0800 X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="5.09,490,1418112000"; d="scan'208";a="670106926" Received: from shvmail01.sh.intel.com ([10.239.29.42]) by fmsmga002.fm.intel.com with ESMTP; 29 Jan 2015 21:08:18 -0800 Received: from shecgisg003.sh.intel.com (shecgisg003.sh.intel.com [10.239.29.90]) by shvmail01.sh.intel.com with ESMTP id t0U58Grd013939; Fri, 30 Jan 2015 13:08:16 +0800 Received: from shecgisg003.sh.intel.com (localhost [127.0.0.1]) by shecgisg003.sh.intel.com (8.13.6/8.13.6/SuSE Linux 0.8) with ESMTP id t0U58FVB011114; Fri, 30 Jan 2015 13:08:17 +0800 Received: (from jingche2@localhost) by shecgisg003.sh.intel.com (8.13.6/8.13.6/Submit) id t0U58EK8011110; Fri, 30 Jan 2015 13:08:14 +0800 From: "Chen Jing D(Mark)" To: dev@dpdk.org Date: Fri, 30 Jan 2015 13:07:21 +0800 Message-Id: <1422594454-11045-6-git-send-email-jing.d.chen@intel.com> X-Mailer: git-send-email 1.7.12.2 In-Reply-To: <1422594454-11045-1-git-send-email-jing.d.chen@intel.com> References: <1422594454-11045-1-git-send-email-jing.d.chen@intel.com> Subject: [dpdk-dev] [PATCH 05/18] fm10k: Add code to register fm10k pmd PF driver 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: , X-List-Received-Date: Fri, 30 Jan 2015 05:08:21 -0000 From: Jeff Shaw 1. Add function to scan and initialize fm10k PF device. 2. Add implementation to register fm10k pmd PF driver. 3. Add 3 functions fm10k_dev_configure, fm10k_stats_get and fm10k_stats_get. Signed-off-by: Jeff Shaw Signed-off-by: Chen Jing D(Mark) --- lib/librte_pmd_fm10k/fm10k_ethdev.c | 339 +++++++++++++++++++++++++++++++++++ 1 files changed, 339 insertions(+), 0 deletions(-) diff --git a/lib/librte_pmd_fm10k/fm10k_ethdev.c b/lib/librte_pmd_fm10k/fm10k_ethdev.c index e69de29..400d841 100644 --- a/lib/librte_pmd_fm10k/fm10k_ethdev.c +++ b/lib/librte_pmd_fm10k/fm10k_ethdev.c @@ -0,0 +1,339 @@ +/*- + * BSD LICENSE + * + * Copyright(c) 2013-2014 Intel Corporation. All rights reserved. + * All rights reserved. + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions + * are met: + * + * * Redistributions of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer. + * * Redistributions in binary form must reproduce the above copyright + * notice, this list of conditions and the following disclaimer in + * the documentation and/or other materials provided with the + * distribution. + * * Neither the name of Intel Corporation nor the names of its + * contributors may be used to endorse or promote products derived + * from this software without specific prior written permission. + * + * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS + * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT + * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR + * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT + * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, + * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT + * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, + * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY + * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT + * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE + * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. + */ + +#include +#include +#include +#include +#include +#include + +#include "fm10k.h" +#include "SHARED/fm10k_api.h" + +/* Default delay to acquire mailbox lock */ +#define FM10K_MBXLOCK_DELAY_US 20 + +static void +fm10k_mbx_initlock(struct fm10k_hw *hw) +{ + rte_spinlock_init(FM10K_DEV_PRIVATE_TO_MBXLOCK(hw->back)); +} + +static void +fm10k_mbx_lock(struct fm10k_hw *hw) +{ + while (!rte_spinlock_trylock(FM10K_DEV_PRIVATE_TO_MBXLOCK(hw->back))) + rte_delay_us(FM10K_MBXLOCK_DELAY_US); +} + +static void +fm10k_mbx_unlock(struct fm10k_hw *hw) +{ + rte_spinlock_unlock(FM10K_DEV_PRIVATE_TO_MBXLOCK(hw->back)); +} + +static int +fm10k_dev_configure(struct rte_eth_dev *dev) +{ + PMD_FUNC_TRACE(); + + if (dev->data->dev_conf.rxmode.hw_strip_crc == 0) + PMD_LOG(WARNING, "fm10k always strip CRC"); + + return 0; +} + +static void +fm10k_stats_get(struct rte_eth_dev *dev, struct rte_eth_stats *stats) +{ + uint64_t ipackets, opackets, ibytes, obytes; + struct fm10k_hw *hw = + FM10K_DEV_PRIVATE_TO_HW(dev->data->dev_private); + struct fm10k_hw_stats *hw_stats = + FM10K_DEV_PRIVATE_TO_STATS(dev->data->dev_private); + int i; + PMD_FUNC_TRACE(); + + fm10k_update_hw_stats(hw, hw_stats); + + ipackets = opackets = ibytes = obytes = 0; + for (i = 0; (i < RTE_ETHDEV_QUEUE_STAT_CNTRS) && + (i < FM10K_MAX_QUEUES_PF); ++i) { + stats->q_ipackets[i] = hw_stats->q[i].rx_packets.count; + stats->q_opackets[i] = hw_stats->q[i].tx_packets.count; + stats->q_ibytes[i] = hw_stats->q[i].rx_bytes.count; + stats->q_obytes[i] = hw_stats->q[i].tx_bytes.count; + ipackets += stats->q_ipackets[i]; + opackets += stats->q_opackets[i]; + ibytes += stats->q_ibytes[i]; + obytes += stats->q_obytes[i]; + } + stats->ipackets = ipackets; + stats->opackets = opackets; + stats->ibytes = ibytes; + stats->obytes = obytes; +} + +static void +fm10k_stats_reset(struct rte_eth_dev *dev) +{ + struct fm10k_hw *hw = FM10K_DEV_PRIVATE_TO_HW(dev->data->dev_private); + struct fm10k_hw_stats *hw_stats = + FM10K_DEV_PRIVATE_TO_STATS(dev->data->dev_private); + PMD_FUNC_TRACE(); + + memset(hw_stats, 0, sizeof(*hw_stats)); + fm10k_rebind_hw_stats(hw, hw_stats); +} + +/* Mailbox message handler in VF */ +static const struct fm10k_msg_data fm10k_msgdata_vf[] = { + FM10K_TLV_MSG_TEST_HANDLER(fm10k_tlv_msg_test), + FM10K_VF_MSG_MAC_VLAN_HANDLER(fm10k_msg_mac_vlan_vf), + FM10K_VF_MSG_LPORT_STATE_HANDLER(fm10k_msg_lport_state_vf), + FM10K_TLV_MSG_ERROR_HANDLER(fm10k_tlv_msg_error), +}; + +/* Mailbox message handler in PF */ +static const struct fm10k_msg_data fm10k_msgdata_pf[] = { + FM10K_PF_MSG_ERR_HANDLER(XCAST_MODES, fm10k_msg_err_pf), + FM10K_PF_MSG_ERR_HANDLER(UPDATE_MAC_FWD_RULE, fm10k_msg_err_pf), + FM10K_PF_MSG_LPORT_MAP_HANDLER(fm10k_msg_lport_map_pf), + FM10K_PF_MSG_ERR_HANDLER(LPORT_CREATE, fm10k_msg_err_pf), + FM10K_PF_MSG_ERR_HANDLER(LPORT_DELETE, fm10k_msg_err_pf), + FM10K_PF_MSG_UPDATE_PVID_HANDLER(fm10k_msg_update_pvid_pf), + FM10K_TLV_MSG_ERROR_HANDLER(fm10k_tlv_msg_error), +}; + +static int +fm10k_setup_mbx_service(struct fm10k_hw *hw) +{ + int err; + + /* Initialize mailbox lock */ + fm10k_mbx_initlock(hw); + + /* Replace default message handler with new ones */ + if (hw->mac.type == fm10k_mac_pf) + err = hw->mbx.ops.register_handlers(&hw->mbx, fm10k_msgdata_pf); + else + err = hw->mbx.ops.register_handlers(&hw->mbx, fm10k_msgdata_vf); + + if (err) { + PMD_LOG(ERR, "Failed to register mailbox handler.err:%d", err); + return err; + } + /* Connect to SM for PF device or PF for VF device */ + return hw->mbx.ops.connect(hw, &hw->mbx); +} + +static struct eth_dev_ops fm10k_eth_dev_ops = { + .dev_configure = fm10k_dev_configure, + .stats_get = fm10k_stats_get, + .stats_reset = fm10k_stats_reset, +}; + +static int +eth_fm10k_dev_init(__rte_unused struct eth_driver *eth_drv, + struct rte_eth_dev *dev) +{ + struct fm10k_hw *hw = FM10K_DEV_PRIVATE_TO_HW(dev->data->dev_private); + int diag; + PMD_FUNC_TRACE(); + + dev->dev_ops = &fm10k_eth_dev_ops; + + /* only initialize in the primary process */ + if (rte_eal_process_type() != RTE_PROC_PRIMARY) + return 0; + + /* Vendor and Device ID need to be set before init of shared code */ + memset(hw, 0, sizeof(*hw)); + hw->device_id = dev->pci_dev->id.device_id; + hw->vendor_id = dev->pci_dev->id.vendor_id; + hw->subsystem_device_id = dev->pci_dev->id.subsystem_device_id; + hw->subsystem_vendor_id = dev->pci_dev->id.subsystem_vendor_id; + hw->revision_id = 0; + hw->hw_addr = (void *)dev->pci_dev->mem_resource[0].addr; + if (hw->hw_addr == NULL) { + PMD_LOG(ERR, "Bad mem resource." + " Try to blacklist unused devices.\n"); + return -EIO; + } + + /* Store fm10k_adapter pointer */ + hw->back = dev->data->dev_private; + + /* Initialize the shared code */ + diag = fm10k_init_shared_code(hw); + if (diag != FM10K_SUCCESS) { + PMD_LOG(ERR, "Shared code init failed: %d", diag); + return -EIO; + } + + /* + * Inialize bus info. Normally we would call fm10k_get_bus_info(), but + * there is no way to get link status without reading BAR4. Until this + * works, assume we have maximum bandwidth. + * @todo - fix bus info + */ + hw->bus_caps.speed = fm10k_bus_speed_8000; + hw->bus_caps.width = fm10k_bus_width_pcie_x8; + hw->bus_caps.payload = fm10k_bus_payload_512; + hw->bus.speed = fm10k_bus_speed_8000; + hw->bus.width = fm10k_bus_width_pcie_x8; + hw->bus.payload = fm10k_bus_payload_256; + + /* Initialize the hw */ + diag = fm10k_init_hw(hw); + if (diag != FM10K_SUCCESS) { + PMD_LOG(ERR, "Hardware init failed: %d", diag); + return -EIO; + } + + /* Initialize MAC address(es) */ + dev->data->mac_addrs = rte_zmalloc("fm10k", ETHER_ADDR_LEN, 0); + if (dev->data->mac_addrs == NULL) { + PMD_LOG(ERR, "Cannot allocate memory for MAC addresses"); + return -ENOMEM; + } + + diag = fm10k_read_mac_addr(hw); + if (diag != FM10K_SUCCESS) { + /* + * TODO: remove special handling on VF. Need shared code to + * fix first. + */ + if (hw->mac.type == fm10k_mac_pf) { + PMD_LOG(ERR, "Read MAC addr failed: %d", diag); + return -EIO; + } else { + /* Generate a random addr */ + eth_random_addr(hw->mac.addr); + memcpy(hw->mac.perm_addr, hw->mac.addr, ETH_ALEN); + } + } + + ether_addr_copy((const struct ether_addr *)hw->mac.addr, + &dev->data->mac_addrs[0]); + + /* Reset the hw statistics */ + fm10k_stats_reset(dev); + + /* Reset the hw */ + diag = fm10k_reset_hw(hw); + if (diag != FM10K_SUCCESS) { + PMD_LOG(ERR, "Hardware reset failed: %d", diag); + return -EIO; + } + + /* Setup mailbox service */ + diag = fm10k_setup_mbx_service(hw); + if (diag != FM10K_SUCCESS) { + PMD_LOG(ERR, "Failed to setup mailbox: %d", diag); + return -EIO; + } + + /* + * Below function will trigger operations on mailbox, acquire lock to + * avoid race condition from interrupt handler. Operations on mailbox + * FIFO will trigger interrupt to PF/SM, in which interrupt handler + * will handle and generate an interrupt to our side. Then, FIFO in + * mailbox will be touched. + */ + fm10k_mbx_lock(hw); + /* Enable port first */ + hw->mac.ops.update_lport_state(hw, 0, 0, 1); + + /* Update default vlan */ + hw->mac.ops.update_vlan(hw, hw->mac.default_vid, 0, true); + + /* + * Add default mac/vlan filter. glort is assigned by SM for PF, while is + * unused for VF. PF will assign correct glort for VF. + */ + hw->mac.ops.update_uc_addr(hw, hw->mac.dglort_map, hw->mac.addr, + hw->mac.default_vid, 1, 0); + + /* Set unicast mode by default. App can change to other mode in other + * API func. + */ + hw->mac.ops.update_xcast_mode(hw, hw->mac.dglort_map, + FM10K_XCAST_MODE_MULTI); + + fm10k_mbx_unlock(hw); + + return 0; +} + +/* + * The set of PCI devices this driver supports. This driver will enable both PF + * and SRIOV-VF devices. + */ +static struct rte_pci_id pci_id_fm10k_map[] = { +#define RTE_PCI_DEV_ID_DECL_FM10K(vend, dev) { RTE_PCI_DEVICE(vend, dev) }, +#include "rte_pci_dev_ids.h" + { .vendor_id = 0, /* sentinel */ }, +}; + +static struct eth_driver rte_pmd_fm10k = { + { + .name = "rte_pmd_fm10k", + .id_table = pci_id_fm10k_map, + .drv_flags = RTE_PCI_DRV_NEED_MAPPING, + }, + .eth_dev_init = eth_fm10k_dev_init, + .dev_private_size = sizeof(struct fm10k_adapter), +}; + +/* + * Driver initialization routine. + * Invoked once at EAL init time. + * Register itself as the [Poll Mode] Driver of PCI FM10K devices. + */ +static int +rte_pmd_fm10k_init(__rte_unused const char *name, + __rte_unused const char *params) +{ + PMD_FUNC_TRACE(); + rte_eth_driver_register(&rte_pmd_fm10k); + return 0; +} + +static struct rte_driver rte_fm10k_driver = { + .type = PMD_PDEV, + .init = rte_pmd_fm10k_init, +}; + +PMD_REGISTER_DRIVER(rte_fm10k_driver); -- 1.7.7.6