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37#ifndef _MLXSW_CORE_H
38#define _MLXSW_CORE_H
39
40#include <linux/module.h>
41#include <linux/device.h>
42#include <linux/slab.h>
43#include <linux/gfp.h>
44#include <linux/types.h>
45#include <linux/skbuff.h>
46#include <linux/workqueue.h>
47#include <net/devlink.h>
48
49#include "trap.h"
50#include "reg.h"
51#include "cmd.h"
52#include "resources.h"
53
54struct mlxsw_core;
55struct mlxsw_core_port;
56struct mlxsw_driver;
57struct mlxsw_bus;
58struct mlxsw_bus_info;
59
60unsigned int mlxsw_core_max_ports(const struct mlxsw_core *mlxsw_core);
61
62void *mlxsw_core_driver_priv(struct mlxsw_core *mlxsw_core);
63
64int mlxsw_core_driver_register(struct mlxsw_driver *mlxsw_driver);
65void mlxsw_core_driver_unregister(struct mlxsw_driver *mlxsw_driver);
66
67int mlxsw_core_bus_device_register(const struct mlxsw_bus_info *mlxsw_bus_info,
68 const struct mlxsw_bus *mlxsw_bus,
69 void *bus_priv);
70void mlxsw_core_bus_device_unregister(struct mlxsw_core *mlxsw_core);
71
72struct mlxsw_tx_info {
73 u8 local_port;
74 bool is_emad;
75};
76
77bool mlxsw_core_skb_transmit_busy(struct mlxsw_core *mlxsw_core,
78 const struct mlxsw_tx_info *tx_info);
79int mlxsw_core_skb_transmit(struct mlxsw_core *mlxsw_core, struct sk_buff *skb,
80 const struct mlxsw_tx_info *tx_info);
81
82struct mlxsw_rx_listener {
83 void (*func)(struct sk_buff *skb, u8 local_port, void *priv);
84 u8 local_port;
85 u16 trap_id;
86 enum mlxsw_reg_hpkt_action action;
87};
88
89struct mlxsw_event_listener {
90 void (*func)(const struct mlxsw_reg_info *reg,
91 char *payload, void *priv);
92 enum mlxsw_event_trap_id trap_id;
93};
94
95struct mlxsw_listener {
96 u16 trap_id;
97 union {
98 struct mlxsw_rx_listener rx_listener;
99 struct mlxsw_event_listener event_listener;
100 } u;
101 enum mlxsw_reg_hpkt_action action;
102 enum mlxsw_reg_hpkt_action unreg_action;
103 u8 trap_group;
104 bool is_ctrl;
105 bool is_event;
106};
107
108#define MLXSW_RXL(_func, _trap_id, _action, _is_ctrl, _trap_group, \
109 _unreg_action) \
110 { \
111 .trap_id = MLXSW_TRAP_ID_##_trap_id, \
112 .u.rx_listener = \
113 { \
114 .func = _func, \
115 .local_port = MLXSW_PORT_DONT_CARE, \
116 .trap_id = MLXSW_TRAP_ID_##_trap_id, \
117 }, \
118 .action = MLXSW_REG_HPKT_ACTION_##_action, \
119 .unreg_action = MLXSW_REG_HPKT_ACTION_##_unreg_action, \
120 .trap_group = MLXSW_REG_HTGT_TRAP_GROUP_##_trap_group, \
121 .is_ctrl = _is_ctrl, \
122 .is_event = false, \
123 }
124
125#define MLXSW_EVENTL(_func, _trap_id, _trap_group) \
126 { \
127 .trap_id = MLXSW_TRAP_ID_##_trap_id, \
128 .u.event_listener = \
129 { \
130 .func = _func, \
131 .trap_id = MLXSW_TRAP_ID_##_trap_id, \
132 }, \
133 .action = MLXSW_REG_HPKT_ACTION_TRAP_TO_CPU, \
134 .trap_group = MLXSW_REG_HTGT_TRAP_GROUP_##_trap_group, \
135 .is_ctrl = false, \
136 .is_event = true, \
137 }
138
139int mlxsw_core_rx_listener_register(struct mlxsw_core *mlxsw_core,
140 const struct mlxsw_rx_listener *rxl,
141 void *priv);
142void mlxsw_core_rx_listener_unregister(struct mlxsw_core *mlxsw_core,
143 const struct mlxsw_rx_listener *rxl,
144 void *priv);
145
146int mlxsw_core_event_listener_register(struct mlxsw_core *mlxsw_core,
147 const struct mlxsw_event_listener *el,
148 void *priv);
149void mlxsw_core_event_listener_unregister(struct mlxsw_core *mlxsw_core,
150 const struct mlxsw_event_listener *el,
151 void *priv);
152
153int mlxsw_core_trap_register(struct mlxsw_core *mlxsw_core,
154 const struct mlxsw_listener *listener,
155 void *priv);
156void mlxsw_core_trap_unregister(struct mlxsw_core *mlxsw_core,
157 const struct mlxsw_listener *listener,
158 void *priv);
159
160typedef void mlxsw_reg_trans_cb_t(struct mlxsw_core *mlxsw_core, char *payload,
161 size_t payload_len, unsigned long cb_priv);
162
163int mlxsw_reg_trans_query(struct mlxsw_core *mlxsw_core,
164 const struct mlxsw_reg_info *reg, char *payload,
165 struct list_head *bulk_list,
166 mlxsw_reg_trans_cb_t *cb, unsigned long cb_priv);
167int mlxsw_reg_trans_write(struct mlxsw_core *mlxsw_core,
168 const struct mlxsw_reg_info *reg, char *payload,
169 struct list_head *bulk_list,
170 mlxsw_reg_trans_cb_t *cb, unsigned long cb_priv);
171int mlxsw_reg_trans_bulk_wait(struct list_head *bulk_list);
172
173int mlxsw_reg_query(struct mlxsw_core *mlxsw_core,
174 const struct mlxsw_reg_info *reg, char *payload);
175int mlxsw_reg_write(struct mlxsw_core *mlxsw_core,
176 const struct mlxsw_reg_info *reg, char *payload);
177
178struct mlxsw_rx_info {
179 bool is_lag;
180 union {
181 u16 sys_port;
182 u16 lag_id;
183 } u;
184 u8 lag_port_index;
185 int trap_id;
186};
187
188void mlxsw_core_skb_receive(struct mlxsw_core *mlxsw_core, struct sk_buff *skb,
189 struct mlxsw_rx_info *rx_info);
190
191void mlxsw_core_lag_mapping_set(struct mlxsw_core *mlxsw_core,
192 u16 lag_id, u8 port_index, u8 local_port);
193u8 mlxsw_core_lag_mapping_get(struct mlxsw_core *mlxsw_core,
194 u16 lag_id, u8 port_index);
195void mlxsw_core_lag_mapping_clear(struct mlxsw_core *mlxsw_core,
196 u16 lag_id, u8 local_port);
197
198void *mlxsw_core_port_driver_priv(struct mlxsw_core_port *mlxsw_core_port);
199int mlxsw_core_port_init(struct mlxsw_core *mlxsw_core, u8 local_port);
200void mlxsw_core_port_fini(struct mlxsw_core *mlxsw_core, u8 local_port);
201void mlxsw_core_port_eth_set(struct mlxsw_core *mlxsw_core, u8 local_port,
202 void *port_driver_priv, struct net_device *dev,
203 bool split, u32 split_group);
204void mlxsw_core_port_ib_set(struct mlxsw_core *mlxsw_core, u8 local_port,
205 void *port_driver_priv);
206void mlxsw_core_port_clear(struct mlxsw_core *mlxsw_core, u8 local_port,
207 void *port_driver_priv);
208enum devlink_port_type mlxsw_core_port_type_get(struct mlxsw_core *mlxsw_core,
209 u8 local_port);
210
211int mlxsw_core_schedule_dw(struct delayed_work *dwork, unsigned long delay);
212bool mlxsw_core_schedule_work(struct work_struct *work);
213void mlxsw_core_flush_owq(void);
214
215#define MLXSW_CONFIG_PROFILE_SWID_COUNT 8
216
217struct mlxsw_swid_config {
218 u8 used_type:1,
219 used_properties:1;
220 u8 type;
221 u8 properties;
222};
223
224struct mlxsw_config_profile {
225 u16 used_max_vepa_channels:1,
226 used_max_mid:1,
227 used_max_pgt:1,
228 used_max_system_port:1,
229 used_max_vlan_groups:1,
230 used_max_regions:1,
231 used_flood_tables:1,
232 used_flood_mode:1,
233 used_max_ib_mc:1,
234 used_max_pkey:1,
235 used_ar_sec:1,
236 used_adaptive_routing_group_cap:1,
237 used_kvd_split_data:1;
238
239 u8 max_vepa_channels;
240 u16 max_mid;
241 u16 max_pgt;
242 u16 max_system_port;
243 u16 max_vlan_groups;
244 u16 max_regions;
245 u8 max_flood_tables;
246 u8 max_vid_flood_tables;
247 u8 flood_mode;
248 u8 max_fid_offset_flood_tables;
249 u16 fid_offset_flood_table_size;
250 u8 max_fid_flood_tables;
251 u16 fid_flood_table_size;
252 u16 max_ib_mc;
253 u16 max_pkey;
254 u8 ar_sec;
255 u16 adaptive_routing_group_cap;
256 u8 arn;
257 u32 kvd_linear_size;
258 u16 kvd_hash_granularity;
259 u8 kvd_hash_single_parts;
260 u8 kvd_hash_double_parts;
261 u8 resource_query_enable;
262 struct mlxsw_swid_config swid_config[MLXSW_CONFIG_PROFILE_SWID_COUNT];
263};
264
265struct mlxsw_driver {
266 struct list_head list;
267 const char *kind;
268 size_t priv_size;
269 int (*init)(struct mlxsw_core *mlxsw_core,
270 const struct mlxsw_bus_info *mlxsw_bus_info);
271 void (*fini)(struct mlxsw_core *mlxsw_core);
272 int (*basic_trap_groups_set)(struct mlxsw_core *mlxsw_core);
273 int (*port_type_set)(struct mlxsw_core *mlxsw_core, u8 local_port,
274 enum devlink_port_type new_type);
275 int (*port_split)(struct mlxsw_core *mlxsw_core, u8 local_port,
276 unsigned int count);
277 int (*port_unsplit)(struct mlxsw_core *mlxsw_core, u8 local_port);
278 int (*sb_pool_get)(struct mlxsw_core *mlxsw_core,
279 unsigned int sb_index, u16 pool_index,
280 struct devlink_sb_pool_info *pool_info);
281 int (*sb_pool_set)(struct mlxsw_core *mlxsw_core,
282 unsigned int sb_index, u16 pool_index, u32 size,
283 enum devlink_sb_threshold_type threshold_type);
284 int (*sb_port_pool_get)(struct mlxsw_core_port *mlxsw_core_port,
285 unsigned int sb_index, u16 pool_index,
286 u32 *p_threshold);
287 int (*sb_port_pool_set)(struct mlxsw_core_port *mlxsw_core_port,
288 unsigned int sb_index, u16 pool_index,
289 u32 threshold);
290 int (*sb_tc_pool_bind_get)(struct mlxsw_core_port *mlxsw_core_port,
291 unsigned int sb_index, u16 tc_index,
292 enum devlink_sb_pool_type pool_type,
293 u16 *p_pool_index, u32 *p_threshold);
294 int (*sb_tc_pool_bind_set)(struct mlxsw_core_port *mlxsw_core_port,
295 unsigned int sb_index, u16 tc_index,
296 enum devlink_sb_pool_type pool_type,
297 u16 pool_index, u32 threshold);
298 int (*sb_occ_snapshot)(struct mlxsw_core *mlxsw_core,
299 unsigned int sb_index);
300 int (*sb_occ_max_clear)(struct mlxsw_core *mlxsw_core,
301 unsigned int sb_index);
302 int (*sb_occ_port_pool_get)(struct mlxsw_core_port *mlxsw_core_port,
303 unsigned int sb_index, u16 pool_index,
304 u32 *p_cur, u32 *p_max);
305 int (*sb_occ_tc_port_bind_get)(struct mlxsw_core_port *mlxsw_core_port,
306 unsigned int sb_index, u16 tc_index,
307 enum devlink_sb_pool_type pool_type,
308 u32 *p_cur, u32 *p_max);
309 void (*txhdr_construct)(struct sk_buff *skb,
310 const struct mlxsw_tx_info *tx_info);
311 u8 txhdr_len;
312 const struct mlxsw_config_profile *profile;
313};
314
315bool mlxsw_core_res_valid(struct mlxsw_core *mlxsw_core,
316 enum mlxsw_res_id res_id);
317
318#define MLXSW_CORE_RES_VALID(res, short_res_id) \
319 mlxsw_core_res_valid(res, MLXSW_RES_ID_##short_res_id)
320
321u64 mlxsw_core_res_get(struct mlxsw_core *mlxsw_core,
322 enum mlxsw_res_id res_id);
323
324#define MLXSW_CORE_RES_GET(res, short_res_id) \
325 mlxsw_core_res_get(res, MLXSW_RES_ID_##short_res_id)
326
327#define MLXSW_BUS_F_TXRX BIT(0)
328
329struct mlxsw_bus {
330 const char *kind;
331 int (*init)(void *bus_priv, struct mlxsw_core *mlxsw_core,
332 const struct mlxsw_config_profile *profile,
333 struct mlxsw_res *res);
334 void (*fini)(void *bus_priv);
335 bool (*skb_transmit_busy)(void *bus_priv,
336 const struct mlxsw_tx_info *tx_info);
337 int (*skb_transmit)(void *bus_priv, struct sk_buff *skb,
338 const struct mlxsw_tx_info *tx_info);
339 int (*cmd_exec)(void *bus_priv, u16 opcode, u8 opcode_mod,
340 u32 in_mod, bool out_mbox_direct,
341 char *in_mbox, size_t in_mbox_size,
342 char *out_mbox, size_t out_mbox_size,
343 u8 *p_status);
344 u8 features;
345};
346
347struct mlxsw_fw_rev {
348 u16 major;
349 u16 minor;
350 u16 subminor;
351};
352
353struct mlxsw_bus_info {
354 const char *device_kind;
355 const char *device_name;
356 struct device *dev;
357 struct mlxsw_fw_rev fw_rev;
358 u8 vsd[MLXSW_CMD_BOARDINFO_VSD_LEN];
359 u8 psid[MLXSW_CMD_BOARDINFO_PSID_LEN];
360};
361
362struct mlxsw_hwmon;
363
364#ifdef CONFIG_MLXSW_CORE_HWMON
365
366int mlxsw_hwmon_init(struct mlxsw_core *mlxsw_core,
367 const struct mlxsw_bus_info *mlxsw_bus_info,
368 struct mlxsw_hwmon **p_hwmon);
369void mlxsw_hwmon_fini(struct mlxsw_hwmon *mlxsw_hwmon);
370
371#else
372
373static inline int mlxsw_hwmon_init(struct mlxsw_core *mlxsw_core,
374 const struct mlxsw_bus_info *mlxsw_bus_info,
375 struct mlxsw_hwmon **p_hwmon)
376{
377 return 0;
378}
379
380#endif
381
382struct mlxsw_thermal;
383
384#ifdef CONFIG_MLXSW_CORE_THERMAL
385
386int mlxsw_thermal_init(struct mlxsw_core *mlxsw_core,
387 const struct mlxsw_bus_info *mlxsw_bus_info,
388 struct mlxsw_thermal **p_thermal);
389void mlxsw_thermal_fini(struct mlxsw_thermal *thermal);
390
391#else
392
393static inline int mlxsw_thermal_init(struct mlxsw_core *mlxsw_core,
394 const struct mlxsw_bus_info *mlxsw_bus_info,
395 struct mlxsw_thermal **p_thermal)
396{
397 return 0;
398}
399
400static inline void mlxsw_thermal_fini(struct mlxsw_thermal *thermal)
401{
402}
403
404#endif
405
406#endif
407
