161 lines
4.8 KiB
C
161 lines
4.8 KiB
C
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/*
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* Copyright (C) 2015-2017 Netronome Systems, Inc.
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*
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* This software is dual licensed under the GNU General License Version 2,
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* June 1991 as shown in the file COPYING in the top-level directory of this
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* source tree or the BSD 2-Clause License provided below. You have the
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* option to license this software under the complete terms of either license.
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*
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* The BSD 2-Clause License:
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*
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* Redistribution and use in source and binary forms, with or
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* without modification, are permitted provided that the following
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* conditions are met:
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*
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* 1. Redistributions of source code must retain the above
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* copyright notice, this list of conditions and the following
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* disclaimer.
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*
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* 2. Redistributions in binary form must reproduce the above
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* copyright notice, this list of conditions and the following
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* disclaimer in the documentation and/or other materials
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* provided with the distribution.
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*
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* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
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* EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
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* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
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* NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS
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* BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN
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* ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
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* CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
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* SOFTWARE.
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*/
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/*
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* nfp_main.h
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* Author: Jason McMullan <jason.mcmullan@netronome.com>
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*/
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#ifndef NFP_MAIN_H
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#define NFP_MAIN_H
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#include <linux/list.h>
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#include <linux/types.h>
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#include <linux/msi.h>
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#include <linux/mutex.h>
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#include <linux/pci.h>
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#include <linux/workqueue.h>
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struct dentry;
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struct device;
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struct devlink_ops;
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struct pci_dev;
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struct nfp_cpp;
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struct nfp_cpp_area;
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struct nfp_eth_table;
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struct nfp_hwinfo;
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struct nfp_mip;
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struct nfp_net;
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struct nfp_nsp_identify;
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struct nfp_port;
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struct nfp_rtsym_table;
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/**
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* struct nfp_pf - NFP PF-specific device structure
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* @pdev: Backpointer to PCI device
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* @cpp: Pointer to the CPP handle
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* @app: Pointer to the APP handle
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* @data_vnic_bar: Pointer to the CPP area for the data vNICs' BARs
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* @ctrl_vnic_bar: Pointer to the CPP area for the ctrl vNIC's BAR
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* @qc_area: Pointer to the CPP area for the queues
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* @mac_stats_bar: Pointer to the CPP area for the MAC stats
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* @mac_stats_mem: Pointer to mapped MAC stats area
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* @vf_cfg_bar: Pointer to the CPP area for the VF configuration BAR
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* @vf_cfg_mem: Pointer to mapped VF configuration area
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* @vfcfg_tbl2_area: Pointer to the CPP area for the VF config table
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* @vfcfg_tbl2: Pointer to mapped VF config table
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* @irq_entries: Array of MSI-X entries for all vNICs
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* @limit_vfs: Number of VFs supported by firmware (~0 for PCI limit)
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* @num_vfs: Number of SR-IOV VFs enabled
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* @fw_loaded: Is the firmware loaded?
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* @ctrl_vnic: Pointer to the control vNIC if available
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* @mip: MIP handle
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* @rtbl: RTsym table
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* @hwinfo: HWInfo table
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* @eth_tbl: NSP ETH table
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* @nspi: NSP identification info
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* @hwmon_dev: pointer to hwmon device
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* @ddir: Per-device debugfs directory
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* @max_data_vnics: Number of data vNICs app firmware supports
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* @num_vnics: Number of vNICs spawned
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* @vnics: Linked list of vNIC structures (struct nfp_net)
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* @ports: Linked list of port structures (struct nfp_port)
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* @wq: Workqueue for running works which need to grab @lock
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* @port_refresh_work: Work entry for taking netdevs out
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* @lock: Protects all fields which may change after probe
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*/
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struct nfp_pf {
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struct pci_dev *pdev;
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struct nfp_cpp *cpp;
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struct nfp_app *app;
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struct nfp_cpp_area *data_vnic_bar;
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struct nfp_cpp_area *ctrl_vnic_bar;
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struct nfp_cpp_area *qc_area;
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struct nfp_cpp_area *mac_stats_bar;
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u8 __iomem *mac_stats_mem;
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struct nfp_cpp_area *vf_cfg_bar;
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u8 __iomem *vf_cfg_mem;
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struct nfp_cpp_area *vfcfg_tbl2_area;
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u8 __iomem *vfcfg_tbl2;
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struct msix_entry *irq_entries;
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unsigned int limit_vfs;
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unsigned int num_vfs;
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bool fw_loaded;
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struct nfp_net *ctrl_vnic;
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const struct nfp_mip *mip;
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struct nfp_rtsym_table *rtbl;
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struct nfp_hwinfo *hwinfo;
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struct nfp_eth_table *eth_tbl;
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struct nfp_nsp_identify *nspi;
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struct device *hwmon_dev;
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struct dentry *ddir;
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unsigned int max_data_vnics;
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unsigned int num_vnics;
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struct list_head vnics;
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struct list_head ports;
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struct workqueue_struct *wq;
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struct work_struct port_refresh_work;
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struct mutex lock;
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};
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extern struct pci_driver nfp_netvf_pci_driver;
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extern const struct devlink_ops nfp_devlink_ops;
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int nfp_net_pci_probe(struct nfp_pf *pf);
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void nfp_net_pci_remove(struct nfp_pf *pf);
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int nfp_hwmon_register(struct nfp_pf *pf);
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void nfp_hwmon_unregister(struct nfp_pf *pf);
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void nfp_net_get_mac_addr(struct nfp_pf *pf, struct nfp_port *port);
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bool nfp_ctrl_tx(struct nfp_net *nn, struct sk_buff *skb);
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#endif /* NFP_MAIN_H */
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