Lines Matching refs:efx
41 static int ef100_pci_walk_xilinx_table(struct efx_nic *efx, u64 offset,
50 static u32 _ef100_pci_get_bar_bits_with_width(struct efx_nic *efx, in _ef100_pci_get_bar_bits_with_width() argument
56 efx_readd(efx, &dword, structure_start + ROUND_DOWN_TO_DWORD(lbn)); in _ef100_pci_get_bar_bits_with_width()
61 #define ef100_pci_get_bar_bits(efx, entry_location, bitdef) \ argument
62 _ef100_pci_get_bar_bits_with_width(efx, entry_location, \
66 static int ef100_pci_parse_ef100_entry(struct efx_nic *efx, int entry_location, in ef100_pci_parse_ef100_entry() argument
69 u64 offset = ef100_pci_get_bar_bits(efx, entry_location, EF100_FUNC_CTL_WIN_OFF) << in ef100_pci_parse_ef100_entry()
71 u32 bar = ef100_pci_get_bar_bits(efx, entry_location, EF100_BAR); in ef100_pci_parse_ef100_entry()
73 netif_dbg(efx, probe, efx->net_dev, in ef100_pci_parse_ef100_entry()
78 netif_err(efx, probe, efx->net_dev, in ef100_pci_parse_ef100_entry()
85 netif_err(efx, probe, efx->net_dev, in ef100_pci_parse_ef100_entry()
97 static bool ef100_pci_does_bar_overflow(struct efx_nic *efx, int bar, in ef100_pci_does_bar_overflow() argument
101 pci_resource_len(efx->pci_dev, bar); in ef100_pci_does_bar_overflow()
107 static int ef100_pci_parse_continue_entry(struct efx_nic *efx, int entry_location, in ef100_pci_parse_continue_entry() argument
116 efx_reado(efx, &entry, entry_location); in ef100_pci_parse_continue_entry()
123 previous_bar = efx->mem_bar; in ef100_pci_parse_continue_entry()
127 netif_err(efx, probe, efx->net_dev, in ef100_pci_parse_continue_entry()
134 efx_fini_io(efx); in ef100_pci_parse_continue_entry()
136 if (ef100_pci_does_bar_overflow(efx, bar, offset)) { in ef100_pci_parse_continue_entry()
137 netif_err(efx, probe, efx->net_dev, in ef100_pci_parse_continue_entry()
144 rc = efx_init_io(efx, bar, in ef100_pci_parse_continue_entry()
146 pci_resource_len(efx->pci_dev, bar)); in ef100_pci_parse_continue_entry()
148 netif_err(efx, probe, efx->net_dev, in ef100_pci_parse_continue_entry()
154 rc = ef100_pci_walk_xilinx_table(efx, offset, result); in ef100_pci_parse_continue_entry()
159 efx_fini_io(efx); in ef100_pci_parse_continue_entry()
162 rc = efx_init_io(efx, previous_bar, in ef100_pci_parse_continue_entry()
164 pci_resource_len(efx->pci_dev, previous_bar)); in ef100_pci_parse_continue_entry()
166 netif_err(efx, probe, efx->net_dev, in ef100_pci_parse_continue_entry()
179 static int ef100_pci_walk_xilinx_table(struct efx_nic *efx, u64 offset, in ef100_pci_walk_xilinx_table() argument
186 u32 id = ef100_pci_get_bar_bits(efx, current_entry, ENTRY_FORMAT); in ef100_pci_walk_xilinx_table()
187 u32 last = ef100_pci_get_bar_bits(efx, current_entry, ENTRY_LAST); in ef100_pci_walk_xilinx_table()
188 u32 rev = ef100_pci_get_bar_bits(efx, current_entry, ENTRY_REV); in ef100_pci_walk_xilinx_table()
194 entry_size = ef100_pci_get_bar_bits(efx, current_entry, ENTRY_SIZE); in ef100_pci_walk_xilinx_table()
196 netif_dbg(efx, probe, efx->net_dev, in ef100_pci_walk_xilinx_table()
198 id, entry_size, current_entry, efx->mem_bar); in ef100_pci_walk_xilinx_table()
201 netif_err(efx, probe, efx->net_dev, in ef100_pci_walk_xilinx_table()
210 netif_err(efx, probe, efx->net_dev, in ef100_pci_walk_xilinx_table()
216 rc = ef100_pci_parse_ef100_entry(efx, current_entry, in ef100_pci_walk_xilinx_table()
223 netif_err(efx, probe, efx->net_dev, in ef100_pci_walk_xilinx_table()
229 rc = ef100_pci_parse_continue_entry(efx, current_entry, result); in ef100_pci_walk_xilinx_table()
243 if (ef100_pci_does_bar_overflow(efx, efx->mem_bar, current_entry)) { in ef100_pci_walk_xilinx_table()
244 netif_err(efx, probe, efx->net_dev, in ef100_pci_walk_xilinx_table()
252 static int _ef100_pci_get_config_bits_with_width(struct efx_nic *efx, in _ef100_pci_get_config_bits_with_width() argument
259 rc = pci_read_config_dword(efx->pci_dev, pos, &temp); in _ef100_pci_get_config_bits_with_width()
261 netif_err(efx, probe, efx->net_dev, in _ef100_pci_get_config_bits_with_width()
272 #define ef100_pci_get_config_bits(efx, entry_location, bitdef, result) \ argument
273 _ef100_pci_get_config_bits_with_width(efx, entry_location, \
280 static int ef100_pci_parse_xilinx_cap(struct efx_nic *efx, int vndr_cap, in ef100_pci_parse_xilinx_cap() argument
290 rc = ef100_pci_get_config_bits(efx, vndr_cap, TBL_BAR, &bar); in ef100_pci_parse_xilinx_cap()
292 netif_err(efx, probe, efx->net_dev, in ef100_pci_parse_xilinx_cap()
300 netif_err(efx, probe, efx->net_dev, in ef100_pci_parse_xilinx_cap()
306 rc = ef100_pci_get_config_bits(efx, vndr_cap, TBL_OFF_LO, &offset_lo); in ef100_pci_parse_xilinx_cap()
308 netif_err(efx, probe, efx->net_dev, in ef100_pci_parse_xilinx_cap()
316 rc = ef100_pci_get_config_bits(efx, vndr_cap, TBL_OFF_HI, &offset_high); in ef100_pci_parse_xilinx_cap()
318 netif_err(efx, probe, efx->net_dev, in ef100_pci_parse_xilinx_cap()
328 if (offset > pci_resource_len(efx->pci_dev, bar) - sizeof(u32) * 2) { in ef100_pci_parse_xilinx_cap()
329 netif_err(efx, probe, efx->net_dev, in ef100_pci_parse_xilinx_cap()
336 rc = efx_init_io(efx, bar, in ef100_pci_parse_xilinx_cap()
338 pci_resource_len(efx->pci_dev, bar)); in ef100_pci_parse_xilinx_cap()
340 netif_err(efx, probe, efx->net_dev, in ef100_pci_parse_xilinx_cap()
345 rc = ef100_pci_walk_xilinx_table(efx, offset, result); in ef100_pci_parse_xilinx_cap()
348 efx_fini_io(efx); in ef100_pci_parse_xilinx_cap()
355 static int ef100_pci_find_func_ctrl_window(struct efx_nic *efx, in ef100_pci_find_func_ctrl_window() argument
363 while ((cap = pci_find_next_ext_capability(efx->pci_dev, cap, PCI_EXT_CAP_ID_VNDR)) != 0) { in ef100_pci_find_func_ctrl_window()
372 rc = ef100_pci_get_config_bits(efx, vndr_cap, ID, &vsec_id); in ef100_pci_find_func_ctrl_window()
374 netif_err(efx, probe, efx->net_dev, in ef100_pci_find_func_ctrl_window()
380 rc = ef100_pci_get_config_bits(efx, vndr_cap, VER, &vsec_ver); in ef100_pci_find_func_ctrl_window()
382 netif_err(efx, probe, efx->net_dev, in ef100_pci_find_func_ctrl_window()
389 rc = ef100_pci_get_config_bits(efx, vndr_cap, LEN, &vsec_len); in ef100_pci_find_func_ctrl_window()
391 netif_err(efx, probe, efx->net_dev, in ef100_pci_find_func_ctrl_window()
402 rc = ef100_pci_parse_xilinx_cap(efx, vndr_cap, in ef100_pci_find_func_ctrl_window()
410 netif_err(efx, probe, efx->net_dev, in ef100_pci_find_func_ctrl_window()
425 struct efx_nic *efx; in ef100_pci_remove() local
427 efx = pci_get_drvdata(pci_dev); in ef100_pci_remove()
428 if (!efx) in ef100_pci_remove()
432 dev_close(efx->net_dev); in ef100_pci_remove()
438 unregister_netdevice_notifier(&efx->netdev_notifier); in ef100_pci_remove()
439 ef100_remove(efx); in ef100_pci_remove()
440 efx_fini_io(efx); in ef100_pci_remove()
441 netif_dbg(efx, drv, efx->net_dev, "shutdown successful\n"); in ef100_pci_remove()
444 efx_fini_struct(efx); in ef100_pci_remove()
445 free_netdev(efx->net_dev); in ef100_pci_remove()
455 struct efx_nic *efx; in ef100_pci_probe() local
459 net_dev = alloc_etherdev_mq(sizeof(*efx), EFX_MAX_CORE_TX_QUEUES); in ef100_pci_probe()
462 efx = netdev_priv(net_dev); in ef100_pci_probe()
463 efx->type = (const struct efx_nic_type *)entry->driver_data; in ef100_pci_probe()
465 pci_set_drvdata(pci_dev, efx); in ef100_pci_probe()
467 rc = efx_init_struct(efx, pci_dev, net_dev); in ef100_pci_probe()
471 efx->vi_stride = EF100_DEFAULT_VI_STRIDE; in ef100_pci_probe()
472 netif_info(efx, probe, efx->net_dev, in ef100_pci_probe()
475 rc = ef100_pci_find_func_ctrl_window(efx, &fcw); in ef100_pci_probe()
477 netif_err(efx, probe, efx->net_dev, in ef100_pci_probe()
490 if (fcw.offset > pci_resource_len(efx->pci_dev, fcw.bar) - ESE_GZ_FCW_LEN) { in ef100_pci_probe()
491 netif_err(efx, probe, efx->net_dev, in ef100_pci_probe()
498 rc = efx_init_io(efx, fcw.bar, in ef100_pci_probe()
500 pci_resource_len(efx->pci_dev, fcw.bar)); in ef100_pci_probe()
504 efx->reg_base = fcw.offset; in ef100_pci_probe()
506 efx->netdev_notifier.notifier_call = ef100_netdev_event; in ef100_pci_probe()
507 rc = register_netdevice_notifier(&efx->netdev_notifier); in ef100_pci_probe()
509 netif_err(efx, probe, efx->net_dev, in ef100_pci_probe()
514 rc = efx->type->probe(efx); in ef100_pci_probe()
518 netif_dbg(efx, probe, efx->net_dev, "initialisation successful\n"); in ef100_pci_probe()