1 /* 2 * Copyright (C) 2015-2017 Netronome Systems, Inc. 3 * 4 * This software is dual licensed under the GNU General License Version 2, 5 * June 1991 as shown in the file COPYING in the top-level directory of this 6 * source tree or the BSD 2-Clause License provided below. You have the 7 * option to license this software under the complete terms of either license. 8 * 9 * The BSD 2-Clause License: 10 * 11 * Redistribution and use in source and binary forms, with or 12 * without modification, are permitted provided that the following 13 * conditions are met: 14 * 15 * 1. Redistributions of source code must retain the above 16 * copyright notice, this list of conditions and the following 17 * disclaimer. 18 * 19 * 2. Redistributions in binary form must reproduce the above 20 * copyright notice, this list of conditions and the following 21 * disclaimer in the documentation and/or other materials 22 * provided with the distribution. 23 * 24 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, 25 * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF 26 * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND 27 * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS 28 * BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN 29 * ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN 30 * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE 31 * SOFTWARE. 32 */ 33 34 /* 35 * nfp_main.h 36 * Author: Jason McMullan <jason.mcmullan@netronome.com> 37 */ 38 39 #ifndef NFP_MAIN_H 40 #define NFP_MAIN_H 41 42 #include <linux/list.h> 43 #include <linux/types.h> 44 #include <linux/msi.h> 45 #include <linux/mutex.h> 46 #include <linux/pci.h> 47 #include <linux/workqueue.h> 48 49 struct dentry; 50 struct device; 51 struct devlink_ops; 52 struct pci_dev; 53 54 struct nfp_cpp; 55 struct nfp_cpp_area; 56 struct nfp_eth_table; 57 struct nfp_hwinfo; 58 struct nfp_mip; 59 struct nfp_net; 60 struct nfp_nsp_identify; 61 struct nfp_port; 62 struct nfp_rtsym_table; 63 64 /** 65 * struct nfp_pf - NFP PF-specific device structure 66 * @pdev: Backpointer to PCI device 67 * @cpp: Pointer to the CPP handle 68 * @app: Pointer to the APP handle 69 * @data_vnic_bar: Pointer to the CPP area for the data vNICs' BARs 70 * @ctrl_vnic_bar: Pointer to the CPP area for the ctrl vNIC's BAR 71 * @qc_area: Pointer to the CPP area for the queues 72 * @mac_stats_bar: Pointer to the CPP area for the MAC stats 73 * @mac_stats_mem: Pointer to mapped MAC stats area 74 * @vf_cfg_bar: Pointer to the CPP area for the VF configuration BAR 75 * @vf_cfg_mem: Pointer to mapped VF configuration area 76 * @irq_entries: Array of MSI-X entries for all vNICs 77 * @limit_vfs: Number of VFs supported by firmware (~0 for PCI limit) 78 * @num_vfs: Number of SR-IOV VFs enabled 79 * @fw_loaded: Is the firmware loaded? 80 * @ctrl_vnic: Pointer to the control vNIC if available 81 * @mip: MIP handle 82 * @rtbl: RTsym table 83 * @hwinfo: HWInfo table 84 * @eth_tbl: NSP ETH table 85 * @nspi: NSP identification info 86 * @hwmon_dev: pointer to hwmon device 87 * @ddir: Per-device debugfs directory 88 * @max_data_vnics: Number of data vNICs app firmware supports 89 * @num_vnics: Number of vNICs spawned 90 * @vnics: Linked list of vNIC structures (struct nfp_net) 91 * @ports: Linked list of port structures (struct nfp_port) 92 * @wq: Workqueue for running works which need to grab @lock 93 * @port_refresh_work: Work entry for taking netdevs out 94 * @lock: Protects all fields which may change after probe 95 */ 96 struct nfp_pf { 97 struct pci_dev *pdev; 98 99 struct nfp_cpp *cpp; 100 101 struct nfp_app *app; 102 103 struct nfp_cpp_area *data_vnic_bar; 104 struct nfp_cpp_area *ctrl_vnic_bar; 105 struct nfp_cpp_area *qc_area; 106 struct nfp_cpp_area *mac_stats_bar; 107 u8 __iomem *mac_stats_mem; 108 struct nfp_cpp_area *vf_cfg_bar; 109 u8 __iomem *vf_cfg_mem; 110 111 struct msix_entry *irq_entries; 112 113 unsigned int limit_vfs; 114 unsigned int num_vfs; 115 116 bool fw_loaded; 117 118 struct nfp_net *ctrl_vnic; 119 120 const struct nfp_mip *mip; 121 struct nfp_rtsym_table *rtbl; 122 struct nfp_hwinfo *hwinfo; 123 struct nfp_eth_table *eth_tbl; 124 struct nfp_nsp_identify *nspi; 125 126 struct device *hwmon_dev; 127 128 struct dentry *ddir; 129 130 unsigned int max_data_vnics; 131 unsigned int num_vnics; 132 133 struct list_head vnics; 134 struct list_head ports; 135 136 struct workqueue_struct *wq; 137 struct work_struct port_refresh_work; 138 139 struct mutex lock; 140 }; 141 142 extern struct pci_driver nfp_netvf_pci_driver; 143 144 extern const struct devlink_ops nfp_devlink_ops; 145 146 int nfp_net_pci_probe(struct nfp_pf *pf); 147 void nfp_net_pci_remove(struct nfp_pf *pf); 148 149 int nfp_hwmon_register(struct nfp_pf *pf); 150 void nfp_hwmon_unregister(struct nfp_pf *pf); 151 152 void nfp_net_get_mac_addr(struct nfp_pf *pf, struct nfp_port *port); 153 154 bool nfp_ctrl_tx(struct nfp_net *nn, struct sk_buff *skb); 155 156 #endif /* NFP_MAIN_H */ 157