1 /* SPDX-License-Identifier: BSD-3-Clause OR GPL-2.0 */
2 /* Copyright (c) 2015-2018 Mellanox Technologies. All rights reserved */
3
4 #ifndef _MLXSW_CORE_H
5 #define _MLXSW_CORE_H
6
7 #include <linux/module.h>
8 #include <linux/device.h>
9 #include <linux/slab.h>
10 #include <linux/gfp.h>
11 #include <linux/types.h>
12 #include <linux/skbuff.h>
13 #include <linux/workqueue.h>
14 #include <linux/net_namespace.h>
15 #include <linux/auxiliary_bus.h>
16 #include <net/devlink.h>
17
18 #include "trap.h"
19 #include "reg.h"
20 #include "cmd.h"
21 #include "resources.h"
22 #include "../mlxfw/mlxfw.h"
23
24 enum mlxsw_core_resource_id {
25 MLXSW_CORE_RESOURCE_PORTS = 1,
26 MLXSW_CORE_RESOURCE_MAX,
27 };
28
29 struct mlxsw_core;
30 struct mlxsw_core_port;
31 struct mlxsw_driver;
32 struct mlxsw_bus;
33 struct mlxsw_bus_info;
34 struct mlxsw_fw_rev;
35
36 unsigned int mlxsw_core_max_ports(const struct mlxsw_core *mlxsw_core);
37
38 int mlxsw_core_max_lag(struct mlxsw_core *mlxsw_core, u16 *p_max_lag);
39
40 void *mlxsw_core_driver_priv(struct mlxsw_core *mlxsw_core);
41
42 struct mlxsw_linecards *mlxsw_core_linecards(struct mlxsw_core *mlxsw_core);
43
44 void mlxsw_core_linecards_set(struct mlxsw_core *mlxsw_core,
45 struct mlxsw_linecards *linecard);
46
47 bool
48 mlxsw_core_fw_rev_minor_subminor_validate(const struct mlxsw_fw_rev *rev,
49 const struct mlxsw_fw_rev *req_rev);
50
51 int mlxsw_core_driver_register(struct mlxsw_driver *mlxsw_driver);
52 void mlxsw_core_driver_unregister(struct mlxsw_driver *mlxsw_driver);
53
54 int mlxsw_core_fw_flash(struct mlxsw_core *mlxsw_core,
55 struct mlxfw_dev *mlxfw_dev,
56 const struct firmware *firmware,
57 struct netlink_ext_ack *extack);
58
59 int mlxsw_core_bus_device_register(const struct mlxsw_bus_info *mlxsw_bus_info,
60 const struct mlxsw_bus *mlxsw_bus,
61 void *bus_priv, bool reload,
62 struct devlink *devlink,
63 struct netlink_ext_ack *extack);
64 void mlxsw_core_bus_device_unregister(struct mlxsw_core *mlxsw_core, bool reload);
65
66 struct mlxsw_tx_info {
67 u16 local_port;
68 bool is_emad;
69 };
70
71 struct mlxsw_rx_md_info {
72 u32 cookie_index;
73 u32 latency;
74 u32 tx_congestion;
75 union {
76 /* Valid when 'tx_port_valid' is set. */
77 u16 tx_sys_port;
78 u16 tx_lag_id;
79 };
80 u16 tx_lag_port_index; /* Valid when 'tx_port_is_lag' is set. */
81 u8 tx_tc;
82 u8 latency_valid:1,
83 tx_congestion_valid:1,
84 tx_tc_valid:1,
85 tx_port_valid:1,
86 tx_port_is_lag:1,
87 unused:3;
88 };
89
90 bool mlxsw_core_skb_transmit_busy(struct mlxsw_core *mlxsw_core,
91 const struct mlxsw_tx_info *tx_info);
92 int mlxsw_core_skb_transmit(struct mlxsw_core *mlxsw_core, struct sk_buff *skb,
93 const struct mlxsw_tx_info *tx_info);
94 void mlxsw_core_ptp_transmitted(struct mlxsw_core *mlxsw_core,
95 struct sk_buff *skb, u16 local_port);
96
97 struct mlxsw_rx_listener {
98 void (*func)(struct sk_buff *skb, u16 local_port, void *priv);
99 u16 local_port;
100 u8 mirror_reason;
101 u16 trap_id;
102 };
103
104 struct mlxsw_event_listener {
105 void (*func)(const struct mlxsw_reg_info *reg,
106 char *payload, void *priv);
107 enum mlxsw_event_trap_id trap_id;
108 };
109
110 struct mlxsw_listener {
111 u16 trap_id;
112 union {
113 struct mlxsw_rx_listener rx_listener;
114 struct mlxsw_event_listener event_listener;
115 };
116 enum mlxsw_reg_hpkt_action en_action; /* Action when enabled */
117 enum mlxsw_reg_hpkt_action dis_action; /* Action when disabled */
118 u8 en_trap_group; /* Trap group when enabled */
119 u8 dis_trap_group; /* Trap group when disabled */
120 u8 is_ctrl:1, /* should go via control buffer or not */
121 is_event:1,
122 enabled_on_register:1; /* Trap should be enabled when listener
123 * is registered.
124 */
125 };
126
127 #define __MLXSW_RXL(_func, _trap_id, _en_action, _is_ctrl, _en_trap_group, \
128 _dis_action, _enabled_on_register, _dis_trap_group, \
129 _mirror_reason) \
130 { \
131 .trap_id = MLXSW_TRAP_ID_##_trap_id, \
132 .rx_listener = \
133 { \
134 .func = _func, \
135 .local_port = MLXSW_PORT_DONT_CARE, \
136 .mirror_reason = _mirror_reason, \
137 .trap_id = MLXSW_TRAP_ID_##_trap_id, \
138 }, \
139 .en_action = MLXSW_REG_HPKT_ACTION_##_en_action, \
140 .dis_action = MLXSW_REG_HPKT_ACTION_##_dis_action, \
141 .en_trap_group = MLXSW_REG_HTGT_TRAP_GROUP_##_en_trap_group, \
142 .dis_trap_group = MLXSW_REG_HTGT_TRAP_GROUP_##_dis_trap_group, \
143 .is_ctrl = _is_ctrl, \
144 .enabled_on_register = _enabled_on_register, \
145 }
146
147 #define MLXSW_RXL(_func, _trap_id, _en_action, _is_ctrl, _trap_group, \
148 _dis_action) \
149 __MLXSW_RXL(_func, _trap_id, _en_action, _is_ctrl, _trap_group, \
150 _dis_action, true, _trap_group, 0)
151
152 #define MLXSW_RXL_DIS(_func, _trap_id, _en_action, _is_ctrl, _en_trap_group, \
153 _dis_action, _dis_trap_group) \
154 __MLXSW_RXL(_func, _trap_id, _en_action, _is_ctrl, _en_trap_group, \
155 _dis_action, false, _dis_trap_group, 0)
156
157 #define MLXSW_RXL_MIRROR(_func, _session_id, _trap_group, _mirror_reason) \
158 __MLXSW_RXL(_func, MIRROR_SESSION##_session_id, TRAP_TO_CPU, false, \
159 _trap_group, TRAP_TO_CPU, true, _trap_group, \
160 _mirror_reason)
161
162 #define MLXSW_EVENTL(_func, _trap_id, _trap_group) \
163 { \
164 .trap_id = MLXSW_TRAP_ID_##_trap_id, \
165 .event_listener = \
166 { \
167 .func = _func, \
168 .trap_id = MLXSW_TRAP_ID_##_trap_id, \
169 }, \
170 .en_action = MLXSW_REG_HPKT_ACTION_TRAP_TO_CPU, \
171 .en_trap_group = MLXSW_REG_HTGT_TRAP_GROUP_##_trap_group, \
172 .is_event = true, \
173 .enabled_on_register = true, \
174 }
175
176 #define MLXSW_CORE_EVENTL(_func, _trap_id) \
177 MLXSW_EVENTL(_func, _trap_id, CORE_EVENT)
178
179 int mlxsw_core_rx_listener_register(struct mlxsw_core *mlxsw_core,
180 const struct mlxsw_rx_listener *rxl,
181 void *priv, bool enabled);
182 void mlxsw_core_rx_listener_unregister(struct mlxsw_core *mlxsw_core,
183 const struct mlxsw_rx_listener *rxl);
184
185 int mlxsw_core_event_listener_register(struct mlxsw_core *mlxsw_core,
186 const struct mlxsw_event_listener *el,
187 void *priv);
188 void mlxsw_core_event_listener_unregister(struct mlxsw_core *mlxsw_core,
189 const struct mlxsw_event_listener *el);
190
191 int mlxsw_core_trap_register(struct mlxsw_core *mlxsw_core,
192 const struct mlxsw_listener *listener,
193 void *priv);
194 void mlxsw_core_trap_unregister(struct mlxsw_core *mlxsw_core,
195 const struct mlxsw_listener *listener,
196 void *priv);
197 int mlxsw_core_traps_register(struct mlxsw_core *mlxsw_core,
198 const struct mlxsw_listener *listeners,
199 size_t listeners_count, void *priv);
200 void mlxsw_core_traps_unregister(struct mlxsw_core *mlxsw_core,
201 const struct mlxsw_listener *listeners,
202 size_t listeners_count, void *priv);
203 int mlxsw_core_trap_state_set(struct mlxsw_core *mlxsw_core,
204 const struct mlxsw_listener *listener,
205 bool enabled);
206
207 typedef void mlxsw_reg_trans_cb_t(struct mlxsw_core *mlxsw_core, char *payload,
208 size_t payload_len, unsigned long cb_priv);
209
210 int mlxsw_reg_trans_query(struct mlxsw_core *mlxsw_core,
211 const struct mlxsw_reg_info *reg, char *payload,
212 struct list_head *bulk_list,
213 mlxsw_reg_trans_cb_t *cb, unsigned long cb_priv);
214 int mlxsw_reg_trans_write(struct mlxsw_core *mlxsw_core,
215 const struct mlxsw_reg_info *reg, char *payload,
216 struct list_head *bulk_list,
217 mlxsw_reg_trans_cb_t *cb, unsigned long cb_priv);
218 int mlxsw_reg_trans_bulk_wait(struct list_head *bulk_list);
219
220 typedef void mlxsw_irq_event_cb_t(struct mlxsw_core *mlxsw_core);
221
222 int mlxsw_core_irq_event_handler_register(struct mlxsw_core *mlxsw_core,
223 mlxsw_irq_event_cb_t cb);
224 void mlxsw_core_irq_event_handler_unregister(struct mlxsw_core *mlxsw_core,
225 mlxsw_irq_event_cb_t cb);
226 void mlxsw_core_irq_event_handlers_call(struct mlxsw_core *mlxsw_core);
227
228 int mlxsw_reg_query(struct mlxsw_core *mlxsw_core,
229 const struct mlxsw_reg_info *reg, char *payload);
230 int mlxsw_reg_write(struct mlxsw_core *mlxsw_core,
231 const struct mlxsw_reg_info *reg, char *payload);
232
233 struct mlxsw_rx_info {
234 bool is_lag;
235 union {
236 u16 sys_port;
237 u16 lag_id;
238 } u;
239 u16 lag_port_index;
240 u8 mirror_reason;
241 int trap_id;
242 };
243
244 void mlxsw_core_skb_receive(struct mlxsw_core *mlxsw_core, struct sk_buff *skb,
245 struct mlxsw_rx_info *rx_info);
246
247 void mlxsw_core_lag_mapping_set(struct mlxsw_core *mlxsw_core,
248 u16 lag_id, u8 port_index, u16 local_port);
249 u16 mlxsw_core_lag_mapping_get(struct mlxsw_core *mlxsw_core,
250 u16 lag_id, u8 port_index);
251 void mlxsw_core_lag_mapping_clear(struct mlxsw_core *mlxsw_core,
252 u16 lag_id, u16 local_port);
253
254 void *mlxsw_core_port_driver_priv(struct mlxsw_core_port *mlxsw_core_port);
255 int mlxsw_core_port_init(struct mlxsw_core *mlxsw_core, u16 local_port,
256 u8 slot_index, u32 port_number, bool split,
257 u32 split_port_subnumber,
258 bool splittable, u32 lanes,
259 const unsigned char *switch_id,
260 unsigned char switch_id_len);
261 void mlxsw_core_port_fini(struct mlxsw_core *mlxsw_core, u16 local_port);
262 int mlxsw_core_cpu_port_init(struct mlxsw_core *mlxsw_core,
263 void *port_driver_priv,
264 const unsigned char *switch_id,
265 unsigned char switch_id_len);
266 void mlxsw_core_cpu_port_fini(struct mlxsw_core *mlxsw_core);
267 void mlxsw_core_port_eth_set(struct mlxsw_core *mlxsw_core, u16 local_port,
268 void *port_driver_priv, struct net_device *dev);
269 void mlxsw_core_port_clear(struct mlxsw_core *mlxsw_core, u16 local_port,
270 void *port_driver_priv);
271 struct devlink_port *
272 mlxsw_core_port_devlink_port_get(struct mlxsw_core *mlxsw_core,
273 u16 local_port);
274 struct mlxsw_linecard *
275 mlxsw_core_port_linecard_get(struct mlxsw_core *mlxsw_core,
276 u16 local_port);
277 void mlxsw_core_ports_remove_selected(struct mlxsw_core *mlxsw_core,
278 bool (*selector)(void *priv,
279 u16 local_port),
280 void *priv);
281 struct mlxsw_env *mlxsw_core_env(const struct mlxsw_core *mlxsw_core);
282
283 int mlxsw_core_schedule_dw(struct delayed_work *dwork, unsigned long delay);
284 bool mlxsw_core_schedule_work(struct work_struct *work);
285 void mlxsw_core_flush_owq(void);
286 int mlxsw_core_resources_query(struct mlxsw_core *mlxsw_core, char *mbox,
287 struct mlxsw_res *res);
288
289 #define MLXSW_CONFIG_PROFILE_SWID_COUNT 8
290
291 struct mlxsw_swid_config {
292 u8 used_type:1,
293 used_properties:1;
294 u8 type;
295 u8 properties;
296 };
297
298 struct mlxsw_config_profile {
299 u16 used_max_vepa_channels:1,
300 used_max_lag:1,
301 used_max_mid:1,
302 used_max_pgt:1,
303 used_max_system_port:1,
304 used_max_vlan_groups:1,
305 used_max_regions:1,
306 used_flood_tables:1,
307 used_flood_mode:1,
308 used_max_ib_mc:1,
309 used_max_pkey:1,
310 used_ar_sec:1,
311 used_adaptive_routing_group_cap:1,
312 used_ubridge:1,
313 used_kvd_sizes:1,
314 used_cqe_time_stamp_type:1;
315 u8 max_vepa_channels;
316 u16 max_lag;
317 u16 max_mid;
318 u16 max_pgt;
319 u16 max_system_port;
320 u16 max_vlan_groups;
321 u16 max_regions;
322 u8 max_flood_tables;
323 u8 max_vid_flood_tables;
324 u8 flood_mode;
325 u8 max_fid_offset_flood_tables;
326 u16 fid_offset_flood_table_size;
327 u8 max_fid_flood_tables;
328 u16 fid_flood_table_size;
329 u16 max_ib_mc;
330 u16 max_pkey;
331 u8 ar_sec;
332 u16 adaptive_routing_group_cap;
333 u8 arn;
334 u8 ubridge;
335 u32 kvd_linear_size;
336 u8 kvd_hash_single_parts;
337 u8 kvd_hash_double_parts;
338 u8 cqe_time_stamp_type;
339 struct mlxsw_swid_config swid_config[MLXSW_CONFIG_PROFILE_SWID_COUNT];
340 };
341
342 struct mlxsw_driver {
343 struct list_head list;
344 const char *kind;
345 size_t priv_size;
346 const struct mlxsw_fw_rev *fw_req_rev;
347 const char *fw_filename;
348 int (*init)(struct mlxsw_core *mlxsw_core,
349 const struct mlxsw_bus_info *mlxsw_bus_info,
350 struct netlink_ext_ack *extack);
351 void (*fini)(struct mlxsw_core *mlxsw_core);
352 int (*port_split)(struct mlxsw_core *mlxsw_core, u16 local_port,
353 unsigned int count, struct netlink_ext_ack *extack);
354 int (*port_unsplit)(struct mlxsw_core *mlxsw_core, u16 local_port,
355 struct netlink_ext_ack *extack);
356 void (*ports_remove_selected)(struct mlxsw_core *mlxsw_core,
357 bool (*selector)(void *priv,
358 u16 local_port),
359 void *priv);
360 int (*sb_pool_get)(struct mlxsw_core *mlxsw_core,
361 unsigned int sb_index, u16 pool_index,
362 struct devlink_sb_pool_info *pool_info);
363 int (*sb_pool_set)(struct mlxsw_core *mlxsw_core,
364 unsigned int sb_index, u16 pool_index, u32 size,
365 enum devlink_sb_threshold_type threshold_type,
366 struct netlink_ext_ack *extack);
367 int (*sb_port_pool_get)(struct mlxsw_core_port *mlxsw_core_port,
368 unsigned int sb_index, u16 pool_index,
369 u32 *p_threshold);
370 int (*sb_port_pool_set)(struct mlxsw_core_port *mlxsw_core_port,
371 unsigned int sb_index, u16 pool_index,
372 u32 threshold, struct netlink_ext_ack *extack);
373 int (*sb_tc_pool_bind_get)(struct mlxsw_core_port *mlxsw_core_port,
374 unsigned int sb_index, u16 tc_index,
375 enum devlink_sb_pool_type pool_type,
376 u16 *p_pool_index, u32 *p_threshold);
377 int (*sb_tc_pool_bind_set)(struct mlxsw_core_port *mlxsw_core_port,
378 unsigned int sb_index, u16 tc_index,
379 enum devlink_sb_pool_type pool_type,
380 u16 pool_index, u32 threshold,
381 struct netlink_ext_ack *extack);
382 int (*sb_occ_snapshot)(struct mlxsw_core *mlxsw_core,
383 unsigned int sb_index);
384 int (*sb_occ_max_clear)(struct mlxsw_core *mlxsw_core,
385 unsigned int sb_index);
386 int (*sb_occ_port_pool_get)(struct mlxsw_core_port *mlxsw_core_port,
387 unsigned int sb_index, u16 pool_index,
388 u32 *p_cur, u32 *p_max);
389 int (*sb_occ_tc_port_bind_get)(struct mlxsw_core_port *mlxsw_core_port,
390 unsigned int sb_index, u16 tc_index,
391 enum devlink_sb_pool_type pool_type,
392 u32 *p_cur, u32 *p_max);
393 int (*trap_init)(struct mlxsw_core *mlxsw_core,
394 const struct devlink_trap *trap, void *trap_ctx);
395 void (*trap_fini)(struct mlxsw_core *mlxsw_core,
396 const struct devlink_trap *trap, void *trap_ctx);
397 int (*trap_action_set)(struct mlxsw_core *mlxsw_core,
398 const struct devlink_trap *trap,
399 enum devlink_trap_action action,
400 struct netlink_ext_ack *extack);
401 int (*trap_group_init)(struct mlxsw_core *mlxsw_core,
402 const struct devlink_trap_group *group);
403 int (*trap_group_set)(struct mlxsw_core *mlxsw_core,
404 const struct devlink_trap_group *group,
405 const struct devlink_trap_policer *policer,
406 struct netlink_ext_ack *extack);
407 int (*trap_policer_init)(struct mlxsw_core *mlxsw_core,
408 const struct devlink_trap_policer *policer);
409 void (*trap_policer_fini)(struct mlxsw_core *mlxsw_core,
410 const struct devlink_trap_policer *policer);
411 int (*trap_policer_set)(struct mlxsw_core *mlxsw_core,
412 const struct devlink_trap_policer *policer,
413 u64 rate, u64 burst,
414 struct netlink_ext_ack *extack);
415 int (*trap_policer_counter_get)(struct mlxsw_core *mlxsw_core,
416 const struct devlink_trap_policer *policer,
417 u64 *p_drops);
418 void (*txhdr_construct)(struct sk_buff *skb,
419 const struct mlxsw_tx_info *tx_info);
420 int (*resources_register)(struct mlxsw_core *mlxsw_core);
421 int (*kvd_sizes_get)(struct mlxsw_core *mlxsw_core,
422 const struct mlxsw_config_profile *profile,
423 u64 *p_single_size, u64 *p_double_size,
424 u64 *p_linear_size);
425 int (*params_register)(struct mlxsw_core *mlxsw_core);
426 void (*params_unregister)(struct mlxsw_core *mlxsw_core);
427
428 /* Notify a driver that a timestamped packet was transmitted. Driver
429 * is responsible for freeing the passed-in SKB.
430 */
431 void (*ptp_transmitted)(struct mlxsw_core *mlxsw_core,
432 struct sk_buff *skb, u16 local_port);
433
434 u8 txhdr_len;
435 const struct mlxsw_config_profile *profile;
436 bool sdq_supports_cqe_v2;
437 };
438
439 int mlxsw_core_kvd_sizes_get(struct mlxsw_core *mlxsw_core,
440 const struct mlxsw_config_profile *profile,
441 u64 *p_single_size, u64 *p_double_size,
442 u64 *p_linear_size);
443
444 u32 mlxsw_core_read_frc_h(struct mlxsw_core *mlxsw_core);
445 u32 mlxsw_core_read_frc_l(struct mlxsw_core *mlxsw_core);
446
447 u32 mlxsw_core_read_utc_sec(struct mlxsw_core *mlxsw_core);
448 u32 mlxsw_core_read_utc_nsec(struct mlxsw_core *mlxsw_core);
449
450 bool mlxsw_core_sdq_supports_cqe_v2(struct mlxsw_core *mlxsw_core);
451
452 void mlxsw_core_emad_string_tlv_enable(struct mlxsw_core *mlxsw_core);
453
454 bool mlxsw_core_res_valid(struct mlxsw_core *mlxsw_core,
455 enum mlxsw_res_id res_id);
456
457 #define MLXSW_CORE_RES_VALID(mlxsw_core, short_res_id) \
458 mlxsw_core_res_valid(mlxsw_core, MLXSW_RES_ID_##short_res_id)
459
460 u64 mlxsw_core_res_get(struct mlxsw_core *mlxsw_core,
461 enum mlxsw_res_id res_id);
462
463 #define MLXSW_CORE_RES_GET(mlxsw_core, short_res_id) \
464 mlxsw_core_res_get(mlxsw_core, MLXSW_RES_ID_##short_res_id)
465
mlxsw_core_net(struct mlxsw_core * mlxsw_core)466 static inline struct net *mlxsw_core_net(struct mlxsw_core *mlxsw_core)
467 {
468 return devlink_net(priv_to_devlink(mlxsw_core));
469 }
470
471 #define MLXSW_BUS_F_TXRX BIT(0)
472 #define MLXSW_BUS_F_RESET BIT(1)
473
474 struct mlxsw_bus {
475 const char *kind;
476 int (*init)(void *bus_priv, struct mlxsw_core *mlxsw_core,
477 const struct mlxsw_config_profile *profile,
478 struct mlxsw_res *res);
479 void (*fini)(void *bus_priv);
480 bool (*skb_transmit_busy)(void *bus_priv,
481 const struct mlxsw_tx_info *tx_info);
482 int (*skb_transmit)(void *bus_priv, struct sk_buff *skb,
483 const struct mlxsw_tx_info *tx_info);
484 int (*cmd_exec)(void *bus_priv, u16 opcode, u8 opcode_mod,
485 u32 in_mod, bool out_mbox_direct,
486 char *in_mbox, size_t in_mbox_size,
487 char *out_mbox, size_t out_mbox_size,
488 u8 *p_status);
489 u32 (*read_frc_h)(void *bus_priv);
490 u32 (*read_frc_l)(void *bus_priv);
491 u32 (*read_utc_sec)(void *bus_priv);
492 u32 (*read_utc_nsec)(void *bus_priv);
493 u8 features;
494 };
495
496 struct mlxsw_fw_rev {
497 u16 major;
498 u16 minor;
499 u16 subminor;
500 u16 can_reset_minor;
501 };
502
503 struct mlxsw_bus_info {
504 const char *device_kind;
505 const char *device_name;
506 struct device *dev;
507 struct mlxsw_fw_rev fw_rev;
508 u8 vsd[MLXSW_CMD_BOARDINFO_VSD_LEN];
509 u8 psid[MLXSW_CMD_BOARDINFO_PSID_LEN];
510 u8 low_frequency:1,
511 read_clock_capable:1;
512 };
513
514 struct mlxsw_hwmon;
515
516 #ifdef CONFIG_MLXSW_CORE_HWMON
517
518 int mlxsw_hwmon_init(struct mlxsw_core *mlxsw_core,
519 const struct mlxsw_bus_info *mlxsw_bus_info,
520 struct mlxsw_hwmon **p_hwmon);
521 void mlxsw_hwmon_fini(struct mlxsw_hwmon *mlxsw_hwmon);
522
523 #else
524
mlxsw_hwmon_init(struct mlxsw_core * mlxsw_core,const struct mlxsw_bus_info * mlxsw_bus_info,struct mlxsw_hwmon ** p_hwmon)525 static inline int mlxsw_hwmon_init(struct mlxsw_core *mlxsw_core,
526 const struct mlxsw_bus_info *mlxsw_bus_info,
527 struct mlxsw_hwmon **p_hwmon)
528 {
529 return 0;
530 }
531
mlxsw_hwmon_fini(struct mlxsw_hwmon * mlxsw_hwmon)532 static inline void mlxsw_hwmon_fini(struct mlxsw_hwmon *mlxsw_hwmon)
533 {
534 }
535
536 #endif
537
538 struct mlxsw_thermal;
539
540 #ifdef CONFIG_MLXSW_CORE_THERMAL
541
542 int mlxsw_thermal_init(struct mlxsw_core *mlxsw_core,
543 const struct mlxsw_bus_info *mlxsw_bus_info,
544 struct mlxsw_thermal **p_thermal);
545 void mlxsw_thermal_fini(struct mlxsw_thermal *thermal);
546
547 #else
548
mlxsw_thermal_init(struct mlxsw_core * mlxsw_core,const struct mlxsw_bus_info * mlxsw_bus_info,struct mlxsw_thermal ** p_thermal)549 static inline int mlxsw_thermal_init(struct mlxsw_core *mlxsw_core,
550 const struct mlxsw_bus_info *mlxsw_bus_info,
551 struct mlxsw_thermal **p_thermal)
552 {
553 return 0;
554 }
555
mlxsw_thermal_fini(struct mlxsw_thermal * thermal)556 static inline void mlxsw_thermal_fini(struct mlxsw_thermal *thermal)
557 {
558 }
559
560 #endif
561
562 enum mlxsw_devlink_param_id {
563 MLXSW_DEVLINK_PARAM_ID_BASE = DEVLINK_PARAM_GENERIC_ID_MAX,
564 MLXSW_DEVLINK_PARAM_ID_ACL_REGION_REHASH_INTERVAL,
565 };
566
567 struct mlxsw_cqe_ts {
568 u8 sec;
569 u32 nsec;
570 };
571
572 struct mlxsw_skb_cb {
573 union {
574 struct mlxsw_tx_info tx_info;
575 struct mlxsw_rx_md_info rx_md_info;
576 };
577 struct mlxsw_cqe_ts cqe_ts;
578 };
579
mlxsw_skb_cb(struct sk_buff * skb)580 static inline struct mlxsw_skb_cb *mlxsw_skb_cb(struct sk_buff *skb)
581 {
582 BUILD_BUG_ON(sizeof(mlxsw_skb_cb) > sizeof(skb->cb));
583 return (struct mlxsw_skb_cb *) skb->cb;
584 }
585
586 struct mlxsw_linecards;
587
588 enum mlxsw_linecard_status_event_type {
589 MLXSW_LINECARD_STATUS_EVENT_TYPE_PROVISION,
590 MLXSW_LINECARD_STATUS_EVENT_TYPE_UNPROVISION,
591 };
592
593 struct mlxsw_linecard_bdev;
594
595 struct mlxsw_linecard_device_info {
596 u16 fw_major;
597 u16 fw_minor;
598 u16 fw_sub_minor;
599 char psid[MLXSW_REG_MGIR_FW_INFO_PSID_SIZE];
600 };
601
602 struct mlxsw_linecard {
603 u8 slot_index;
604 struct mlxsw_linecards *linecards;
605 struct devlink_linecard *devlink_linecard;
606 struct mutex lock; /* Locks accesses to the linecard structure */
607 char name[MLXSW_REG_MDDQ_SLOT_ASCII_NAME_LEN];
608 char mbct_pl[MLXSW_REG_MBCT_LEN]; /* Too big for stack */
609 enum mlxsw_linecard_status_event_type status_event_type_to;
610 struct delayed_work status_event_to_dw;
611 u8 provisioned:1,
612 ready:1,
613 active:1;
614 u16 hw_revision;
615 u16 ini_version;
616 struct mlxsw_linecard_bdev *bdev;
617 struct {
618 struct mlxsw_linecard_device_info info;
619 u8 index;
620 } device;
621 };
622
623 struct mlxsw_linecard_types_info;
624
625 struct mlxsw_linecards {
626 struct mlxsw_core *mlxsw_core;
627 const struct mlxsw_bus_info *bus_info;
628 u8 count;
629 struct mlxsw_linecard_types_info *types_info;
630 struct list_head event_ops_list;
631 struct mutex event_ops_list_lock; /* Locks accesses to event ops list */
632 struct mlxsw_linecard linecards[];
633 };
634
635 static inline struct mlxsw_linecard *
mlxsw_linecard_get(struct mlxsw_linecards * linecards,u8 slot_index)636 mlxsw_linecard_get(struct mlxsw_linecards *linecards, u8 slot_index)
637 {
638 return &linecards->linecards[slot_index - 1];
639 }
640
641 int mlxsw_linecard_devlink_info_get(struct mlxsw_linecard *linecard,
642 struct devlink_info_req *req,
643 struct netlink_ext_ack *extack);
644 int mlxsw_linecard_flash_update(struct devlink *linecard_devlink,
645 struct mlxsw_linecard *linecard,
646 const struct firmware *firmware,
647 struct netlink_ext_ack *extack);
648
649 int mlxsw_linecards_init(struct mlxsw_core *mlxsw_core,
650 const struct mlxsw_bus_info *bus_info);
651 void mlxsw_linecards_fini(struct mlxsw_core *mlxsw_core);
652
653 typedef void mlxsw_linecards_event_op_t(struct mlxsw_core *mlxsw_core,
654 u8 slot_index, void *priv);
655
656 struct mlxsw_linecards_event_ops {
657 mlxsw_linecards_event_op_t *got_active;
658 mlxsw_linecards_event_op_t *got_inactive;
659 };
660
661 int mlxsw_linecards_event_ops_register(struct mlxsw_core *mlxsw_core,
662 struct mlxsw_linecards_event_ops *ops,
663 void *priv);
664 void mlxsw_linecards_event_ops_unregister(struct mlxsw_core *mlxsw_core,
665 struct mlxsw_linecards_event_ops *ops,
666 void *priv);
667
668 int mlxsw_linecard_bdev_add(struct mlxsw_linecard *linecard);
669 void mlxsw_linecard_bdev_del(struct mlxsw_linecard *linecard);
670
671 int mlxsw_linecard_driver_register(void);
672 void mlxsw_linecard_driver_unregister(void);
673
674 #endif
675