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/pci.h> 46 47 struct dentry; 48 struct pci_dev; 49 50 struct nfp_cpp; 51 struct nfp_cpp_area; 52 struct nfp_eth_table; 53 54 /** 55 * struct nfp_pf - NFP PF-specific device structure 56 * @pdev: Backpointer to PCI device 57 * @cpp: Pointer to the CPP handle 58 * @ctrl_area: Pointer to the CPP area for the control BAR 59 * @tx_area: Pointer to the CPP area for the TX queues 60 * @rx_area: Pointer to the CPP area for the FL/RX queues 61 * @irq_entries: Array of MSI-X entries for all ports 62 * @limit_vfs: Number of VFs supported by firmware (~0 for PCI limit) 63 * @num_vfs: Number of SR-IOV VFs enabled 64 * @fw_loaded: Is the firmware loaded? 65 * @eth_tbl: NSP ETH table 66 * @ddir: Per-device debugfs directory 67 * @num_ports: Number of adapter ports 68 * @ports: Linked list of port structures (struct nfp_net) 69 */ 70 struct nfp_pf { 71 struct pci_dev *pdev; 72 73 struct nfp_cpp *cpp; 74 75 struct nfp_cpp_area *ctrl_area; 76 struct nfp_cpp_area *tx_area; 77 struct nfp_cpp_area *rx_area; 78 79 struct msix_entry *irq_entries; 80 81 unsigned int limit_vfs; 82 unsigned int num_vfs; 83 84 bool fw_loaded; 85 86 struct nfp_eth_table *eth_tbl; 87 88 struct dentry *ddir; 89 90 unsigned int num_ports; 91 struct list_head ports; 92 }; 93 94 extern struct pci_driver nfp_netvf_pci_driver; 95 96 int nfp_net_pci_probe(struct nfp_pf *pf); 97 void nfp_net_pci_remove(struct nfp_pf *pf); 98 99 #endif /* NFP_MAIN_H */ 100