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/ethtool.h> 43 #include <linux/list.h> 44 #include <linux/types.h> 45 #include <linux/msi.h> 46 #include <linux/mutex.h> 47 #include <linux/pci.h> 48 #include <linux/workqueue.h> 49 50 struct dentry; 51 struct device; 52 struct devlink_ops; 53 struct pci_dev; 54 55 struct nfp_cpp; 56 struct nfp_cpp_area; 57 struct nfp_eth_table; 58 struct nfp_hwinfo; 59 struct nfp_mip; 60 struct nfp_net; 61 struct nfp_nsp_identify; 62 struct nfp_port; 63 struct nfp_rtsym_table; 64 65 /** 66 * struct nfp_dumpspec - NFP FW dump specification structure 67 * @size: Size of the data 68 * @data: Sequence of TLVs, each being an instruction to dump some data 69 * from FW 70 */ 71 struct nfp_dumpspec { 72 u32 size; 73 u8 data[0]; 74 }; 75 76 /** 77 * struct nfp_pf - NFP PF-specific device structure 78 * @pdev: Backpointer to PCI device 79 * @cpp: Pointer to the CPP handle 80 * @app: Pointer to the APP handle 81 * @data_vnic_bar: Pointer to the CPP area for the data vNICs' BARs 82 * @ctrl_vnic_bar: Pointer to the CPP area for the ctrl vNIC's BAR 83 * @qc_area: Pointer to the CPP area for the queues 84 * @mac_stats_bar: Pointer to the CPP area for the MAC stats 85 * @mac_stats_mem: Pointer to mapped MAC stats area 86 * @vf_cfg_bar: Pointer to the CPP area for the VF configuration BAR 87 * @vf_cfg_mem: Pointer to mapped VF configuration area 88 * @vfcfg_tbl2_area: Pointer to the CPP area for the VF config table 89 * @vfcfg_tbl2: Pointer to mapped VF config table 90 * @irq_entries: Array of MSI-X entries for all vNICs 91 * @limit_vfs: Number of VFs supported by firmware (~0 for PCI limit) 92 * @num_vfs: Number of SR-IOV VFs enabled 93 * @fw_loaded: Is the firmware loaded? 94 * @ctrl_vnic: Pointer to the control vNIC if available 95 * @mip: MIP handle 96 * @rtbl: RTsym table 97 * @hwinfo: HWInfo table 98 * @dumpspec: Debug dump specification 99 * @dump_flag: Store dump flag between set_dump and get_dump_flag 100 * @dump_len: Store dump length between set_dump and get_dump_flag 101 * @eth_tbl: NSP ETH table 102 * @nspi: NSP identification info 103 * @hwmon_dev: pointer to hwmon device 104 * @ddir: Per-device debugfs directory 105 * @max_data_vnics: Number of data vNICs app firmware supports 106 * @num_vnics: Number of vNICs spawned 107 * @vnics: Linked list of vNIC structures (struct nfp_net) 108 * @ports: Linked list of port structures (struct nfp_port) 109 * @wq: Workqueue for running works which need to grab @lock 110 * @port_refresh_work: Work entry for taking netdevs out 111 * @lock: Protects all fields which may change after probe 112 */ 113 struct nfp_pf { 114 struct pci_dev *pdev; 115 116 struct nfp_cpp *cpp; 117 118 struct nfp_app *app; 119 120 struct nfp_cpp_area *data_vnic_bar; 121 struct nfp_cpp_area *ctrl_vnic_bar; 122 struct nfp_cpp_area *qc_area; 123 struct nfp_cpp_area *mac_stats_bar; 124 u8 __iomem *mac_stats_mem; 125 struct nfp_cpp_area *vf_cfg_bar; 126 u8 __iomem *vf_cfg_mem; 127 struct nfp_cpp_area *vfcfg_tbl2_area; 128 u8 __iomem *vfcfg_tbl2; 129 130 struct msix_entry *irq_entries; 131 132 unsigned int limit_vfs; 133 unsigned int num_vfs; 134 135 bool fw_loaded; 136 137 struct nfp_net *ctrl_vnic; 138 139 const struct nfp_mip *mip; 140 struct nfp_rtsym_table *rtbl; 141 struct nfp_hwinfo *hwinfo; 142 struct nfp_dumpspec *dumpspec; 143 u32 dump_flag; 144 u32 dump_len; 145 struct nfp_eth_table *eth_tbl; 146 struct nfp_nsp_identify *nspi; 147 148 struct device *hwmon_dev; 149 150 struct dentry *ddir; 151 152 unsigned int max_data_vnics; 153 unsigned int num_vnics; 154 155 struct list_head vnics; 156 struct list_head ports; 157 158 struct workqueue_struct *wq; 159 struct work_struct port_refresh_work; 160 161 struct mutex lock; 162 }; 163 164 extern struct pci_driver nfp_netvf_pci_driver; 165 166 extern const struct devlink_ops nfp_devlink_ops; 167 168 int nfp_net_pci_probe(struct nfp_pf *pf); 169 void nfp_net_pci_remove(struct nfp_pf *pf); 170 171 int nfp_hwmon_register(struct nfp_pf *pf); 172 void nfp_hwmon_unregister(struct nfp_pf *pf); 173 174 void nfp_net_get_mac_addr(struct nfp_pf *pf, struct nfp_port *port); 175 176 bool nfp_ctrl_tx(struct nfp_net *nn, struct sk_buff *skb); 177 178 enum nfp_dump_diag { 179 NFP_DUMP_NSP_DIAG = 0, 180 }; 181 182 struct nfp_dumpspec * 183 nfp_net_dump_load_dumpspec(struct nfp_cpp *cpp, struct nfp_rtsym_table *rtbl); 184 s64 nfp_net_dump_calculate_size(struct nfp_pf *pf, struct nfp_dumpspec *spec, 185 u32 flag); 186 int nfp_net_dump_populate_buffer(struct nfp_pf *pf, struct nfp_dumpspec *spec, 187 struct ethtool_dump *dump_param, void *dest); 188 189 #endif /* NFP_MAIN_H */ 190