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