summaryrefslogtreecommitdiff
path: root/drivers/net/ethernet/netronome/nfp/nfp_main.h
blob: add46e28212be87fbb4832277e84e882ffe53381 (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
/*
 * Copyright (C) 2015-2017 Netronome Systems, Inc.
 *
 * This software is dual licensed under the GNU General License Version 2,
 * June 1991 as shown in the file COPYING in the top-level directory of this
 * source tree or the BSD 2-Clause License provided below.  You have the
 * option to license this software under the complete terms of either license.
 *
 * The BSD 2-Clause License:
 *
 *     Redistribution and use in source and binary forms, with or
 *     without modification, are permitted provided that the following
 *     conditions are met:
 *
 *      1. Redistributions of source code must retain the above
 *         copyright notice, this list of conditions and the following
 *         disclaimer.
 *
 *      2. Redistributions in binary form must reproduce the above
 *         copyright notice, this list of conditions and the following
 *         disclaimer in the documentation and/or other materials
 *         provided with the distribution.
 *
 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
 * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
 * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
 * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS
 * BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN
 * ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
 * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
 * SOFTWARE.
 */

/*
 * nfp_main.h
 * Author: Jason McMullan <jason.mcmullan@netronome.com>
 */

#ifndef NFP_MAIN_H
#define NFP_MAIN_H

#include <linux/ethtool.h>
#include <linux/list.h>
#include <linux/types.h>
#include <linux/msi.h>
#include <linux/mutex.h>
#include <linux/pci.h>
#include <linux/workqueue.h>

struct dentry;
struct device;
struct devlink_ops;
struct pci_dev;

struct nfp_cpp;
struct nfp_cpp_area;
struct nfp_eth_table;
struct nfp_hwinfo;
struct nfp_mip;
struct nfp_net;
struct nfp_nsp_identify;
struct nfp_port;
struct nfp_rtsym_table;

/**
 * struct nfp_dumpspec - NFP FW dump specification structure
 * @size:	Size of the data
 * @data:	Sequence of TLVs, each being an instruction to dump some data
 *		from FW
 */
struct nfp_dumpspec {
	u32 size;
	u8 data[0];
};

/**
 * struct nfp_pf - NFP PF-specific device structure
 * @pdev:		Backpointer to PCI device
 * @cpp:		Pointer to the CPP handle
 * @app:		Pointer to the APP handle
 * @data_vnic_bar:	Pointer to the CPP area for the data vNICs' BARs
 * @ctrl_vnic_bar:	Pointer to the CPP area for the ctrl vNIC's BAR
 * @qc_area:		Pointer to the CPP area for the queues
 * @mac_stats_bar:	Pointer to the CPP area for the MAC stats
 * @mac_stats_mem:	Pointer to mapped MAC stats area
 * @vf_cfg_bar:		Pointer to the CPP area for the VF configuration BAR
 * @vf_cfg_mem:		Pointer to mapped VF configuration area
 * @vfcfg_tbl2_area:	Pointer to the CPP area for the VF config table
 * @vfcfg_tbl2:		Pointer to mapped VF config table
 * @irq_entries:	Array of MSI-X entries for all vNICs
 * @limit_vfs:		Number of VFs supported by firmware (~0 for PCI limit)
 * @num_vfs:		Number of SR-IOV VFs enabled
 * @fw_loaded:		Is the firmware loaded?
 * @ctrl_vnic:		Pointer to the control vNIC if available
 * @mip:		MIP handle
 * @rtbl:		RTsym table
 * @hwinfo:		HWInfo table
 * @dumpspec:		Debug dump specification
 * @dump_flag:		Store dump flag between set_dump and get_dump_flag
 * @dump_len:		Store dump length between set_dump and get_dump_flag
 * @eth_tbl:		NSP ETH table
 * @nspi:		NSP identification info
 * @hwmon_dev:		pointer to hwmon device
 * @ddir:		Per-device debugfs directory
 * @max_data_vnics:	Number of data vNICs app firmware supports
 * @num_vnics:		Number of vNICs spawned
 * @vnics:		Linked list of vNIC structures (struct nfp_net)
 * @ports:		Linked list of port structures (struct nfp_port)
 * @wq:			Workqueue for running works which need to grab @lock
 * @port_refresh_work:	Work entry for taking netdevs out
 * @lock:		Protects all fields which may change after probe
 */
struct nfp_pf {
	struct pci_dev *pdev;

	struct nfp_cpp *cpp;

	struct nfp_app *app;

	struct nfp_cpp_area *data_vnic_bar;
	struct nfp_cpp_area *ctrl_vnic_bar;
	struct nfp_cpp_area *qc_area;
	struct nfp_cpp_area *mac_stats_bar;
	u8 __iomem *mac_stats_mem;
	struct nfp_cpp_area *vf_cfg_bar;
	u8 __iomem *vf_cfg_mem;
	struct nfp_cpp_area *vfcfg_tbl2_area;
	u8 __iomem *vfcfg_tbl2;

	struct msix_entry *irq_entries;

	unsigned int limit_vfs;
	unsigned int num_vfs;

	bool fw_loaded;

	struct nfp_net *ctrl_vnic;

	const struct nfp_mip *mip;
	struct nfp_rtsym_table *rtbl;
	struct nfp_hwinfo *hwinfo;
	struct nfp_dumpspec *dumpspec;
	u32 dump_flag;
	u32 dump_len;
	struct nfp_eth_table *eth_tbl;
	struct nfp_nsp_identify *nspi;

	struct device *hwmon_dev;

	struct dentry *ddir;

	unsigned int max_data_vnics;
	unsigned int num_vnics;

	struct list_head vnics;
	struct list_head ports;

	struct workqueue_struct *wq;
	struct work_struct port_refresh_work;

	struct mutex lock;
};

extern struct pci_driver nfp_netvf_pci_driver;

extern const struct devlink_ops nfp_devlink_ops;

int nfp_net_pci_probe(struct nfp_pf *pf);
void nfp_net_pci_remove(struct nfp_pf *pf);

int nfp_hwmon_register(struct nfp_pf *pf);
void nfp_hwmon_unregister(struct nfp_pf *pf);

void nfp_net_get_mac_addr(struct nfp_pf *pf, struct nfp_port *port);

bool nfp_ctrl_tx(struct nfp_net *nn, struct sk_buff *skb);

enum nfp_dump_diag {
	NFP_DUMP_NSP_DIAG = 0,
};

struct nfp_dumpspec *
nfp_net_dump_load_dumpspec(struct nfp_cpp *cpp, struct nfp_rtsym_table *rtbl);
s64 nfp_net_dump_calculate_size(struct nfp_pf *pf, struct nfp_dumpspec *spec,
				u32 flag);
int nfp_net_dump_populate_buffer(struct nfp_pf *pf, struct nfp_dumpspec *spec,
				 struct ethtool_dump *dump_param, void *dest);

#endif /* NFP_MAIN_H */