1/* SPDX-License-Identifier: GPL-2.0-only */
2/****************************************************************************
3 * Driver for Solarflare network controllers and boards
4 * Copyright 2018 Solarflare Communications Inc.
5 *
6 * This program is free software; you can redistribute it and/or modify it
7 * under the terms of the GNU General Public License version 2 as published
8 * by the Free Software Foundation, incorporated herein by reference.
9 */
10
11#ifndef EFX_COMMON_H
12#define EFX_COMMON_H
13
14int efx_siena_init_io(struct efx_nic *efx, int bar, dma_addr_t dma_mask,
15		      unsigned int mem_map_size);
16void efx_siena_fini_io(struct efx_nic *efx);
17int efx_siena_init_struct(struct efx_nic *efx, struct pci_dev *pci_dev,
18			  struct net_device *net_dev);
19void efx_siena_fini_struct(struct efx_nic *efx);
20
21#define EFX_MAX_DMAQ_SIZE 4096UL
22#define EFX_DEFAULT_DMAQ_SIZE 1024UL
23#define EFX_MIN_DMAQ_SIZE 512UL
24
25#define EFX_MAX_EVQ_SIZE 16384UL
26#define EFX_MIN_EVQ_SIZE 512UL
27
28void efx_siena_link_clear_advertising(struct efx_nic *efx);
29void efx_siena_link_set_wanted_fc(struct efx_nic *efx, u8 wanted_fc);
30
31void efx_siena_start_all(struct efx_nic *efx);
32void efx_siena_stop_all(struct efx_nic *efx);
33
34void efx_siena_net_stats(struct net_device *net_dev,
35			 struct rtnl_link_stats64 *stats);
36
37int efx_siena_create_reset_workqueue(void);
38void efx_siena_queue_reset_work(struct efx_nic *efx);
39void efx_siena_flush_reset_workqueue(struct efx_nic *efx);
40void efx_siena_destroy_reset_workqueue(void);
41
42void efx_siena_start_monitor(struct efx_nic *efx);
43
44int __efx_siena_reconfigure_port(struct efx_nic *efx);
45int efx_siena_reconfigure_port(struct efx_nic *efx);
46
47#define EFX_ASSERT_RESET_SERIALISED(efx)		\
48	do {						\
49		if ((efx->state == STATE_READY) ||	\
50		    (efx->state == STATE_RECOVERY) ||	\
51		    (efx->state == STATE_DISABLED))	\
52			ASSERT_RTNL();			\
53	} while (0)
54
55int efx_siena_try_recovery(struct efx_nic *efx);
56void efx_siena_reset_down(struct efx_nic *efx, enum reset_type method);
57void efx_siena_watchdog(struct net_device *net_dev, unsigned int txqueue);
58int efx_siena_reset_up(struct efx_nic *efx, enum reset_type method, bool ok);
59int efx_siena_reset(struct efx_nic *efx, enum reset_type method);
60void efx_siena_schedule_reset(struct efx_nic *efx, enum reset_type type);
61
62/* Dummy PHY ops for PHY drivers */
63int efx_siena_port_dummy_op_int(struct efx_nic *efx);
64void efx_siena_port_dummy_op_void(struct efx_nic *efx);
65
66static inline int efx_check_disabled(struct efx_nic *efx)
67{
68	if (efx->state == STATE_DISABLED || efx->state == STATE_RECOVERY) {
69		netif_err(efx, drv, efx->net_dev,
70			  "device is disabled due to earlier errors\n");
71		return -EIO;
72	}
73	return 0;
74}
75
76static inline void efx_schedule_channel(struct efx_channel *channel)
77{
78	netif_vdbg(channel->efx, intr, channel->efx->net_dev,
79		   "channel %d scheduling NAPI poll on CPU%d\n",
80		   channel->channel, raw_smp_processor_id());
81
82	napi_schedule(&channel->napi_str);
83}
84
85static inline void efx_schedule_channel_irq(struct efx_channel *channel)
86{
87	channel->event_test_cpu = raw_smp_processor_id();
88	efx_schedule_channel(channel);
89}
90
91#ifdef CONFIG_SFC_SIENA_MCDI_LOGGING
92void efx_siena_init_mcdi_logging(struct efx_nic *efx);
93void efx_siena_fini_mcdi_logging(struct efx_nic *efx);
94#else
95static inline void efx_siena_init_mcdi_logging(struct efx_nic *efx) {}
96static inline void efx_siena_fini_mcdi_logging(struct efx_nic *efx) {}
97#endif
98
99void efx_siena_mac_reconfigure(struct efx_nic *efx, bool mtu_only);
100int efx_siena_set_mac_address(struct net_device *net_dev, void *data);
101void efx_siena_set_rx_mode(struct net_device *net_dev);
102int efx_siena_set_features(struct net_device *net_dev, netdev_features_t data);
103void efx_siena_link_status_changed(struct efx_nic *efx);
104unsigned int efx_siena_xdp_max_mtu(struct efx_nic *efx);
105int efx_siena_change_mtu(struct net_device *net_dev, int new_mtu);
106
107extern const struct pci_error_handlers efx_siena_err_handlers;
108
109netdev_features_t efx_siena_features_check(struct sk_buff *skb,
110					   struct net_device *dev,
111					   netdev_features_t features);
112
113int efx_siena_get_phys_port_id(struct net_device *net_dev,
114			       struct netdev_phys_item_id *ppid);
115
116int efx_siena_get_phys_port_name(struct net_device *net_dev,
117				 char *name, size_t len);
118#endif
119