2 * Copyright (C) 2015-2017 Netronome Systems, Inc.
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.
9 * The BSD 2-Clause License:
11 * Redistribution and use in source and binary forms, with or
12 * without modification, are permitted provided that the following
15 * 1. Redistributions of source code must retain the above
16 * copyright notice, this list of conditions and the following
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.
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
36 * Author: Jason McMullan <jason.mcmullan@netronome.com>
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 #include <net/devlink.h>
61 struct nfp_nsp_identify;
64 struct nfp_rtsym_table;
65 struct nfp_shared_buf;
68 * struct nfp_dumpspec - NFP FW dump specification structure
69 * @size: Size of the data
70 * @data: Sequence of TLVs, each being an instruction to dump some data
79 * struct nfp_pf - NFP PF-specific device structure
80 * @pdev: Backpointer to PCI device
81 * @cpp: Pointer to the CPP handle
82 * @app: Pointer to the APP handle
83 * @data_vnic_bar: Pointer to the CPP area for the data vNICs' BARs
84 * @ctrl_vnic_bar: Pointer to the CPP area for the ctrl vNIC's BAR
85 * @qc_area: Pointer to the CPP area for the queues
86 * @mac_stats_bar: Pointer to the CPP area for the MAC stats
87 * @mac_stats_mem: Pointer to mapped MAC stats area
88 * @vf_cfg_bar: Pointer to the CPP area for the VF configuration BAR
89 * @vf_cfg_mem: Pointer to mapped VF configuration area
90 * @vfcfg_tbl2_area: Pointer to the CPP area for the VF config table
91 * @vfcfg_tbl2: Pointer to mapped VF config table
92 * @mbox: RTSym of per-PCI PF mailbox (under devlink lock)
93 * @irq_entries: Array of MSI-X entries for all vNICs
94 * @limit_vfs: Number of VFs supported by firmware (~0 for PCI limit)
95 * @num_vfs: Number of SR-IOV VFs enabled
96 * @fw_loaded: Is the firmware loaded?
97 * @ctrl_vnic: Pointer to the control vNIC if available
100 * @hwinfo: HWInfo table
101 * @dumpspec: Debug dump specification
102 * @dump_flag: Store dump flag between set_dump and get_dump_flag
103 * @dump_len: Store dump length between set_dump and get_dump_flag
104 * @eth_tbl: NSP ETH table
105 * @nspi: NSP identification info
106 * @hwmon_dev: pointer to hwmon device
107 * @ddir: Per-device debugfs directory
108 * @max_data_vnics: Number of data vNICs app firmware supports
109 * @num_vnics: Number of vNICs spawned
110 * @vnics: Linked list of vNIC structures (struct nfp_net)
111 * @ports: Linked list of port structures (struct nfp_port)
112 * @wq: Workqueue for running works which need to grab @lock
113 * @port_refresh_work: Work entry for taking netdevs out
114 * @shared_bufs: Array of shared buffer structures if FW has any SBs
115 * @num_shared_bufs: Number of elements in @shared_bufs
116 * @lock: Protects all fields which may change after probe
119 struct pci_dev *pdev;
125 struct nfp_cpp_area *data_vnic_bar;
126 struct nfp_cpp_area *ctrl_vnic_bar;
127 struct nfp_cpp_area *qc_area;
128 struct nfp_cpp_area *mac_stats_bar;
129 u8 __iomem *mac_stats_mem;
130 struct nfp_cpp_area *vf_cfg_bar;
131 u8 __iomem *vf_cfg_mem;
132 struct nfp_cpp_area *vfcfg_tbl2_area;
133 u8 __iomem *vfcfg_tbl2;
135 const struct nfp_rtsym *mbox;
137 struct msix_entry *irq_entries;
139 unsigned int limit_vfs;
140 unsigned int num_vfs;
144 struct nfp_net *ctrl_vnic;
146 const struct nfp_mip *mip;
147 struct nfp_rtsym_table *rtbl;
148 struct nfp_hwinfo *hwinfo;
149 struct nfp_dumpspec *dumpspec;
152 struct nfp_eth_table *eth_tbl;
153 struct nfp_nsp_identify *nspi;
155 struct device *hwmon_dev;
159 unsigned int max_data_vnics;
160 unsigned int num_vnics;
162 struct list_head vnics;
163 struct list_head ports;
165 struct workqueue_struct *wq;
166 struct work_struct port_refresh_work;
168 struct nfp_shared_buf *shared_bufs;
169 unsigned int num_shared_bufs;
174 extern struct pci_driver nfp_netvf_pci_driver;
176 extern const struct devlink_ops nfp_devlink_ops;
178 int nfp_net_pci_probe(struct nfp_pf *pf);
179 void nfp_net_pci_remove(struct nfp_pf *pf);
181 int nfp_hwmon_register(struct nfp_pf *pf);
182 void nfp_hwmon_unregister(struct nfp_pf *pf);
185 nfp_net_get_mac_addr(struct nfp_pf *pf, struct net_device *netdev,
186 struct nfp_port *port);
188 bool nfp_ctrl_tx(struct nfp_net *nn, struct sk_buff *skb);
190 int nfp_pf_rtsym_read_optional(struct nfp_pf *pf, const char *format,
191 unsigned int default_val);
193 nfp_pf_map_rtsym(struct nfp_pf *pf, const char *name, const char *sym_fmt,
194 unsigned int min_size, struct nfp_cpp_area **area);
195 int nfp_mbox_cmd(struct nfp_pf *pf, u32 cmd, void *in_data, u64 in_length,
196 void *out_data, u64 out_length);
199 NFP_DUMP_NSP_DIAG = 0,
202 struct nfp_dumpspec *
203 nfp_net_dump_load_dumpspec(struct nfp_cpp *cpp, struct nfp_rtsym_table *rtbl);
204 s64 nfp_net_dump_calculate_size(struct nfp_pf *pf, struct nfp_dumpspec *spec,
206 int nfp_net_dump_populate_buffer(struct nfp_pf *pf, struct nfp_dumpspec *spec,
207 struct ethtool_dump *dump_param, void *dest);
209 int nfp_shared_buf_register(struct nfp_pf *pf);
210 void nfp_shared_buf_unregister(struct nfp_pf *pf);
211 int nfp_shared_buf_pool_get(struct nfp_pf *pf, unsigned int sb, u16 pool_index,
212 struct devlink_sb_pool_info *pool_info);
213 int nfp_shared_buf_pool_set(struct nfp_pf *pf, unsigned int sb,
214 u16 pool_index, u32 size,
215 enum devlink_sb_threshold_type threshold_type);
216 #endif /* NFP_MAIN_H */