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 
14 int efx_init_io(struct efx_nic *efx, int bar, dma_addr_t dma_mask,
15 		unsigned int mem_map_size);
16 void efx_fini_io(struct efx_nic *efx, int bar);
17 int efx_init_struct(struct efx_nic *efx, struct pci_dev *pci_dev,
18 		    struct net_device *net_dev);
19 void efx_fini_struct(struct efx_nic *efx);
20 
21 void efx_start_all(struct efx_nic *efx);
22 void efx_stop_all(struct efx_nic *efx);
23 
24 void efx_net_stats(struct net_device *net_dev, struct rtnl_link_stats64 *stats);
25 
26 int efx_create_reset_workqueue(void);
27 void efx_queue_reset_work(struct efx_nic *efx);
28 void efx_flush_reset_workqueue(struct efx_nic *efx);
29 void efx_destroy_reset_workqueue(void);
30 
31 void efx_start_monitor(struct efx_nic *efx);
32 
33 int __efx_reconfigure_port(struct efx_nic *efx);
34 int efx_reconfigure_port(struct efx_nic *efx);
35 
36 #define EFX_ASSERT_RESET_SERIALISED(efx)		\
37 	do {						\
38 		if ((efx->state == STATE_READY) ||	\
39 		    (efx->state == STATE_RECOVERY) ||	\
40 		    (efx->state == STATE_DISABLED))	\
41 			ASSERT_RTNL();			\
42 	} while (0)
43 
44 int efx_try_recovery(struct efx_nic *efx);
45 void efx_reset_down(struct efx_nic *efx, enum reset_type method);
46 int efx_reset_up(struct efx_nic *efx, enum reset_type method, bool ok);
47 int efx_reset(struct efx_nic *efx, enum reset_type method);
48 void efx_schedule_reset(struct efx_nic *efx, enum reset_type type);
49 
50 static inline int efx_check_disabled(struct efx_nic *efx)
51 {
52 	if (efx->state == STATE_DISABLED || efx->state == STATE_RECOVERY) {
53 		netif_err(efx, drv, efx->net_dev,
54 			  "device is disabled due to earlier errors\n");
55 		return -EIO;
56 	}
57 	return 0;
58 }
59 
60 #ifdef CONFIG_SFC_MCDI_LOGGING
61 void efx_init_mcdi_logging(struct efx_nic *efx);
62 void efx_fini_mcdi_logging(struct efx_nic *efx);
63 #else
64 static inline void efx_init_mcdi_logging(struct efx_nic *efx) {}
65 static inline void efx_fini_mcdi_logging(struct efx_nic *efx) {}
66 #endif
67 
68 void efx_mac_reconfigure(struct efx_nic *efx);
69 void efx_link_status_changed(struct efx_nic *efx);
70 unsigned int efx_xdp_max_mtu(struct efx_nic *efx);
71 int efx_change_mtu(struct net_device *net_dev, int new_mtu);
72 
73 #endif
74