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 pci_dev; 51 52 struct nfp_cpp; 53 struct nfp_cpp_area; 54 struct nfp_eth_table; 55 56 /** 57 * struct nfp_pf - NFP PF-specific device structure 58 * @pdev: Backpointer to PCI device 59 * @cpp: Pointer to the CPP handle 60 * @ctrl_area: Pointer to the CPP area for the control BAR 61 * @tx_area: Pointer to the CPP area for the TX queues 62 * @rx_area: Pointer to the CPP area for the FL/RX queues 63 * @irq_entries: Array of MSI-X entries for all ports 64 * @limit_vfs: Number of VFs supported by firmware (~0 for PCI limit) 65 * @num_vfs: Number of SR-IOV VFs enabled 66 * @fw_loaded: Is the firmware loaded? 67 * @eth_tbl: NSP ETH table 68 * @ddir: Per-device debugfs directory 69 * @num_ports: Number of adapter ports app firmware supports 70 * @num_netdevs: Number of netdevs spawned 71 * @ports: Linked list of port structures (struct nfp_net) 72 * @port_lock: Protects @ports, @num_ports, @num_netdevs 73 * @port_refresh_work: Work entry for taking netdevs out 74 */ 75 struct nfp_pf { 76 struct pci_dev *pdev; 77 78 struct nfp_cpp *cpp; 79 80 struct nfp_cpp_area *ctrl_area; 81 struct nfp_cpp_area *tx_area; 82 struct nfp_cpp_area *rx_area; 83 84 struct msix_entry *irq_entries; 85 86 unsigned int limit_vfs; 87 unsigned int num_vfs; 88 89 bool fw_loaded; 90 91 struct nfp_eth_table *eth_tbl; 92 93 struct dentry *ddir; 94 95 unsigned int num_ports; 96 unsigned int num_netdevs; 97 98 struct list_head ports; 99 struct work_struct port_refresh_work; 100 struct mutex port_lock; 101 }; 102 103 extern struct pci_driver nfp_netvf_pci_driver; 104 105 int nfp_net_pci_probe(struct nfp_pf *pf); 106 void nfp_net_pci_remove(struct nfp_pf *pf); 107 108 #endif /* NFP_MAIN_H */ 109