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_init_io(struct efx_nic *efx, int bar, dma_addr_t dma_mask,
 15		unsigned int mem_map_size);
 16void efx_fini_io(struct efx_nic *efx);
 17int efx_init_struct(struct efx_nic *efx, struct pci_dev *pci_dev);
 18void efx_fini_struct(struct efx_nic *efx);
 19
 20#define EFX_MAX_DMAQ_SIZE 4096UL
 21#define EFX_DEFAULT_DMAQ_SIZE 1024UL
 22#define EFX_MIN_DMAQ_SIZE 512UL
 23
 24#define EFX_MAX_EVQ_SIZE 16384UL
 25#define EFX_MIN_EVQ_SIZE 512UL
 26
 27void efx_link_clear_advertising(struct efx_nic *efx);
 28void efx_link_set_wanted_fc(struct efx_nic *efx, u8);
 29
 30void efx_start_all(struct efx_nic *efx);
 31void efx_stop_all(struct efx_nic *efx);
 32
 33void efx_net_stats(struct net_device *net_dev, struct rtnl_link_stats64 *stats);
 34
 35int efx_create_reset_workqueue(void);
 36void efx_queue_reset_work(struct efx_nic *efx);
 37void efx_flush_reset_workqueue(struct efx_nic *efx);
 38void efx_destroy_reset_workqueue(void);
 39
 40void efx_start_monitor(struct efx_nic *efx);
 41
 42int __efx_reconfigure_port(struct efx_nic *efx);
 43int efx_reconfigure_port(struct efx_nic *efx);
 44
 45#define EFX_ASSERT_RESET_SERIALISED(efx)				\
 46	do {								\
 47		if ((efx)->state != STATE_UNINIT &&			\
 48		    (efx)->state != STATE_PROBED)			\
 49			ASSERT_RTNL();					\
 50	} while (0)
 51
 52int efx_try_recovery(struct efx_nic *efx);
 53void efx_reset_down(struct efx_nic *efx, enum reset_type method);
 54void efx_watchdog(struct net_device *net_dev, unsigned int txqueue);
 55int efx_reset_up(struct efx_nic *efx, enum reset_type method, bool ok);
 56int efx_reset(struct efx_nic *efx, enum reset_type method);
 57void efx_schedule_reset(struct efx_nic *efx, enum reset_type type);
 58
 59/* Dummy PHY ops for PHY drivers */
 60int efx_port_dummy_op_int(struct efx_nic *efx);
 61void efx_port_dummy_op_void(struct efx_nic *efx);
 62
 63static inline int efx_check_disabled(struct efx_nic *efx)
 64{
 65	if (efx->state == STATE_DISABLED || efx_recovering(efx->state)) {
 66		netif_err(efx, drv, efx->net_dev,
 67			  "device is disabled due to earlier errors\n");
 68		return -EIO;
 69	}
 70	return 0;
 71}
 72
 73static inline void efx_schedule_channel(struct efx_channel *channel)
 74{
 75	netif_vdbg(channel->efx, intr, channel->efx->net_dev,
 76		   "channel %d scheduling NAPI poll on CPU%d\n",
 77		   channel->channel, raw_smp_processor_id());
 78
 79	napi_schedule(&channel->napi_str);
 80}
 81
 82static inline void efx_schedule_channel_irq(struct efx_channel *channel)
 83{
 84	channel->event_test_cpu = raw_smp_processor_id();
 85	efx_schedule_channel(channel);
 86}
 87
 88#ifdef CONFIG_SFC_MCDI_LOGGING
 89void efx_init_mcdi_logging(struct efx_nic *efx);
 90void efx_fini_mcdi_logging(struct efx_nic *efx);
 91#else
 92static inline void efx_init_mcdi_logging(struct efx_nic *efx) {}
 93static inline void efx_fini_mcdi_logging(struct efx_nic *efx) {}
 94#endif
 95
 96void efx_mac_reconfigure(struct efx_nic *efx, bool mtu_only);
 97int efx_set_mac_address(struct net_device *net_dev, void *data);
 98void efx_set_rx_mode(struct net_device *net_dev);
 99int efx_set_features(struct net_device *net_dev, netdev_features_t data);
100void efx_link_status_changed(struct efx_nic *efx);
101unsigned int efx_xdp_max_mtu(struct efx_nic *efx);
102int efx_change_mtu(struct net_device *net_dev, int new_mtu);
103
104extern const struct pci_error_handlers efx_err_handlers;
105
106netdev_features_t efx_features_check(struct sk_buff *skb, struct net_device *dev,
107				     netdev_features_t features);
108
109int efx_get_phys_port_id(struct net_device *net_dev,
110			 struct netdev_phys_item_id *ppid);
111
112int efx_get_phys_port_name(struct net_device *net_dev,
113			   char *name, size_t len);
114
115void efx_detach_reps(struct efx_nic *efx);
116void efx_attach_reps(struct efx_nic *efx);
117#endif