Jiri Pirko | 93c1edb | 2015-07-29 23:33:46 +0200 | [diff] [blame] | 1 | /* |
| 2 | * drivers/net/ethernet/mellanox/mlxsw/core.h |
| 3 | * Copyright (c) 2015 Mellanox Technologies. All rights reserved. |
| 4 | * Copyright (c) 2015 Jiri Pirko <jiri@mellanox.com> |
| 5 | * Copyright (c) 2015 Ido Schimmel <idosch@mellanox.com> |
| 6 | * Copyright (c) 2015 Elad Raz <eladr@mellanox.com> |
| 7 | * |
| 8 | * Redistribution and use in source and binary forms, with or without |
| 9 | * modification, are permitted provided that the following conditions are met: |
| 10 | * |
| 11 | * 1. Redistributions of source code must retain the above copyright |
| 12 | * notice, this list of conditions and the following disclaimer. |
| 13 | * 2. Redistributions in binary form must reproduce the above copyright |
| 14 | * notice, this list of conditions and the following disclaimer in the |
| 15 | * documentation and/or other materials provided with the distribution. |
| 16 | * 3. Neither the names of the copyright holders nor the names of its |
| 17 | * contributors may be used to endorse or promote products derived from |
| 18 | * this software without specific prior written permission. |
| 19 | * |
| 20 | * Alternatively, this software may be distributed under the terms of the |
| 21 | * GNU General Public License ("GPL") version 2 as published by the Free |
| 22 | * Software Foundation. |
| 23 | * |
| 24 | * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" |
| 25 | * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE |
| 26 | * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE |
| 27 | * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE |
| 28 | * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR |
| 29 | * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF |
| 30 | * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS |
| 31 | * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN |
| 32 | * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) |
| 33 | * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE |
| 34 | * POSSIBILITY OF SUCH DAMAGE. |
| 35 | */ |
| 36 | |
| 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> |
Jiri Pirko | dd9bdb0 | 2016-04-14 18:19:28 +0200 | [diff] [blame] | 46 | #include <linux/workqueue.h> |
Jiri Pirko | 932762b | 2016-04-08 19:11:21 +0200 | [diff] [blame] | 47 | #include <net/devlink.h> |
Jiri Pirko | 93c1edb | 2015-07-29 23:33:46 +0200 | [diff] [blame] | 48 | |
Ido Schimmel | 4ec14b7 | 2015-07-29 23:33:48 +0200 | [diff] [blame] | 49 | #include "trap.h" |
| 50 | #include "reg.h" |
| 51 | |
Jiri Pirko | 93c1edb | 2015-07-29 23:33:46 +0200 | [diff] [blame] | 52 | #include "cmd.h" |
| 53 | |
| 54 | #define MLXSW_MODULE_ALIAS_PREFIX "mlxsw-driver-" |
| 55 | #define MODULE_MLXSW_DRIVER_ALIAS(kind) \ |
| 56 | MODULE_ALIAS(MLXSW_MODULE_ALIAS_PREFIX kind) |
| 57 | |
Jiri Pirko | 31557f0 | 2015-07-29 23:33:49 +0200 | [diff] [blame] | 58 | #define MLXSW_DEVICE_KIND_SWITCHX2 "switchx2" |
Jiri Pirko | 56ade8f | 2015-10-16 14:01:37 +0200 | [diff] [blame] | 59 | #define MLXSW_DEVICE_KIND_SPECTRUM "spectrum" |
Jiri Pirko | 31557f0 | 2015-07-29 23:33:49 +0200 | [diff] [blame] | 60 | |
Jiri Pirko | 93c1edb | 2015-07-29 23:33:46 +0200 | [diff] [blame] | 61 | struct mlxsw_core; |
| 62 | struct mlxsw_driver; |
| 63 | struct mlxsw_bus; |
| 64 | struct mlxsw_bus_info; |
| 65 | |
Jiri Pirko | b2f1057 | 2016-04-08 19:11:23 +0200 | [diff] [blame] | 66 | void *mlxsw_core_driver_priv(struct mlxsw_core *mlxsw_core); |
| 67 | |
Jiri Pirko | 93c1edb | 2015-07-29 23:33:46 +0200 | [diff] [blame] | 68 | int mlxsw_core_driver_register(struct mlxsw_driver *mlxsw_driver); |
| 69 | void mlxsw_core_driver_unregister(struct mlxsw_driver *mlxsw_driver); |
| 70 | |
| 71 | int mlxsw_core_bus_device_register(const struct mlxsw_bus_info *mlxsw_bus_info, |
| 72 | const struct mlxsw_bus *mlxsw_bus, |
| 73 | void *bus_priv); |
| 74 | void mlxsw_core_bus_device_unregister(struct mlxsw_core *mlxsw_core); |
| 75 | |
| 76 | struct mlxsw_tx_info { |
| 77 | u8 local_port; |
| 78 | bool is_emad; |
| 79 | }; |
| 80 | |
Jiri Pirko | 307c243 | 2016-04-08 19:11:22 +0200 | [diff] [blame] | 81 | bool mlxsw_core_skb_transmit_busy(struct mlxsw_core *mlxsw_core, |
Ido Schimmel | d003462 | 2015-08-06 16:41:56 +0200 | [diff] [blame] | 82 | const struct mlxsw_tx_info *tx_info); |
Jiri Pirko | 307c243 | 2016-04-08 19:11:22 +0200 | [diff] [blame] | 83 | int mlxsw_core_skb_transmit(struct mlxsw_core *mlxsw_core, struct sk_buff *skb, |
Jiri Pirko | 93c1edb | 2015-07-29 23:33:46 +0200 | [diff] [blame] | 84 | const struct mlxsw_tx_info *tx_info); |
| 85 | |
| 86 | struct mlxsw_rx_listener { |
| 87 | void (*func)(struct sk_buff *skb, u8 local_port, void *priv); |
| 88 | u8 local_port; |
| 89 | u16 trap_id; |
| 90 | }; |
| 91 | |
Ido Schimmel | 4ec14b7 | 2015-07-29 23:33:48 +0200 | [diff] [blame] | 92 | struct mlxsw_event_listener { |
| 93 | void (*func)(const struct mlxsw_reg_info *reg, |
| 94 | char *payload, void *priv); |
| 95 | enum mlxsw_event_trap_id trap_id; |
| 96 | }; |
| 97 | |
Jiri Pirko | 93c1edb | 2015-07-29 23:33:46 +0200 | [diff] [blame] | 98 | int mlxsw_core_rx_listener_register(struct mlxsw_core *mlxsw_core, |
| 99 | const struct mlxsw_rx_listener *rxl, |
| 100 | void *priv); |
| 101 | void mlxsw_core_rx_listener_unregister(struct mlxsw_core *mlxsw_core, |
| 102 | const struct mlxsw_rx_listener *rxl, |
| 103 | void *priv); |
| 104 | |
Ido Schimmel | 4ec14b7 | 2015-07-29 23:33:48 +0200 | [diff] [blame] | 105 | int mlxsw_core_event_listener_register(struct mlxsw_core *mlxsw_core, |
| 106 | const struct mlxsw_event_listener *el, |
| 107 | void *priv); |
| 108 | void mlxsw_core_event_listener_unregister(struct mlxsw_core *mlxsw_core, |
| 109 | const struct mlxsw_event_listener *el, |
| 110 | void *priv); |
| 111 | |
Jiri Pirko | caf7297e | 2016-04-14 18:19:29 +0200 | [diff] [blame] | 112 | typedef void mlxsw_reg_trans_cb_t(struct mlxsw_core *mlxsw_core, char *payload, |
| 113 | size_t payload_len, unsigned long cb_priv); |
| 114 | |
| 115 | int mlxsw_reg_trans_query(struct mlxsw_core *mlxsw_core, |
| 116 | const struct mlxsw_reg_info *reg, char *payload, |
| 117 | struct list_head *bulk_list, |
| 118 | mlxsw_reg_trans_cb_t *cb, unsigned long cb_priv); |
| 119 | int mlxsw_reg_trans_write(struct mlxsw_core *mlxsw_core, |
| 120 | const struct mlxsw_reg_info *reg, char *payload, |
| 121 | struct list_head *bulk_list, |
| 122 | mlxsw_reg_trans_cb_t *cb, unsigned long cb_priv); |
| 123 | int mlxsw_reg_trans_bulk_wait(struct list_head *bulk_list); |
| 124 | |
Ido Schimmel | 4ec14b7 | 2015-07-29 23:33:48 +0200 | [diff] [blame] | 125 | int mlxsw_reg_query(struct mlxsw_core *mlxsw_core, |
| 126 | const struct mlxsw_reg_info *reg, char *payload); |
| 127 | int mlxsw_reg_write(struct mlxsw_core *mlxsw_core, |
| 128 | const struct mlxsw_reg_info *reg, char *payload); |
| 129 | |
Jiri Pirko | 93c1edb | 2015-07-29 23:33:46 +0200 | [diff] [blame] | 130 | struct mlxsw_rx_info { |
Jiri Pirko | 8060646 | 2015-12-03 12:12:23 +0100 | [diff] [blame] | 131 | bool is_lag; |
| 132 | union { |
| 133 | u16 sys_port; |
| 134 | u16 lag_id; |
| 135 | } u; |
| 136 | u8 lag_port_index; |
Jiri Pirko | 93c1edb | 2015-07-29 23:33:46 +0200 | [diff] [blame] | 137 | int trap_id; |
| 138 | }; |
| 139 | |
| 140 | void mlxsw_core_skb_receive(struct mlxsw_core *mlxsw_core, struct sk_buff *skb, |
| 141 | struct mlxsw_rx_info *rx_info); |
| 142 | |
Jiri Pirko | 8060646 | 2015-12-03 12:12:23 +0100 | [diff] [blame] | 143 | void mlxsw_core_lag_mapping_set(struct mlxsw_core *mlxsw_core, |
| 144 | u16 lag_id, u8 port_index, u8 local_port); |
| 145 | u8 mlxsw_core_lag_mapping_get(struct mlxsw_core *mlxsw_core, |
| 146 | u16 lag_id, u8 port_index); |
| 147 | void mlxsw_core_lag_mapping_clear(struct mlxsw_core *mlxsw_core, |
| 148 | u16 lag_id, u8 local_port); |
| 149 | |
Jiri Pirko | 932762b | 2016-04-08 19:11:21 +0200 | [diff] [blame] | 150 | struct mlxsw_core_port { |
| 151 | struct devlink_port devlink_port; |
| 152 | }; |
| 153 | |
Jiri Pirko | 325f2f1 | 2016-04-14 18:19:23 +0200 | [diff] [blame] | 154 | static inline void * |
| 155 | mlxsw_core_port_driver_priv(struct mlxsw_core_port *mlxsw_core_port) |
| 156 | { |
| 157 | /* mlxsw_core_port is ensured to always be the first field in driver |
| 158 | * port structure. |
| 159 | */ |
| 160 | return mlxsw_core_port; |
| 161 | } |
| 162 | |
Jiri Pirko | 932762b | 2016-04-08 19:11:21 +0200 | [diff] [blame] | 163 | int mlxsw_core_port_init(struct mlxsw_core *mlxsw_core, |
| 164 | struct mlxsw_core_port *mlxsw_core_port, u8 local_port, |
| 165 | struct net_device *dev, bool split, u32 split_group); |
| 166 | void mlxsw_core_port_fini(struct mlxsw_core_port *mlxsw_core_port); |
| 167 | |
Jiri Pirko | dd9bdb0 | 2016-04-14 18:19:28 +0200 | [diff] [blame] | 168 | int mlxsw_core_schedule_dw(struct delayed_work *dwork, unsigned long delay); |
| 169 | |
Jiri Pirko | 93c1edb | 2015-07-29 23:33:46 +0200 | [diff] [blame] | 170 | #define MLXSW_CONFIG_PROFILE_SWID_COUNT 8 |
| 171 | |
| 172 | struct mlxsw_swid_config { |
| 173 | u8 used_type:1, |
| 174 | used_properties:1; |
| 175 | u8 type; |
| 176 | u8 properties; |
| 177 | }; |
| 178 | |
| 179 | struct mlxsw_config_profile { |
| 180 | u16 used_max_vepa_channels:1, |
| 181 | used_max_lag:1, |
| 182 | used_max_port_per_lag:1, |
| 183 | used_max_mid:1, |
| 184 | used_max_pgt:1, |
| 185 | used_max_system_port:1, |
| 186 | used_max_vlan_groups:1, |
| 187 | used_max_regions:1, |
| 188 | used_flood_tables:1, |
| 189 | used_flood_mode:1, |
| 190 | used_max_ib_mc:1, |
| 191 | used_max_pkey:1, |
| 192 | used_ar_sec:1, |
Jiri Pirko | 489107b | 2016-07-05 11:27:45 +0200 | [diff] [blame] | 193 | used_adaptive_routing_group_cap:1, |
| 194 | used_kvd_sizes:1; |
Jiri Pirko | 93c1edb | 2015-07-29 23:33:46 +0200 | [diff] [blame] | 195 | u8 max_vepa_channels; |
| 196 | u16 max_lag; |
| 197 | u16 max_port_per_lag; |
| 198 | u16 max_mid; |
| 199 | u16 max_pgt; |
| 200 | u16 max_system_port; |
| 201 | u16 max_vlan_groups; |
| 202 | u16 max_regions; |
| 203 | u8 max_flood_tables; |
| 204 | u8 max_vid_flood_tables; |
| 205 | u8 flood_mode; |
Ido Schimmel | 12fd35a | 2015-10-16 14:01:25 +0200 | [diff] [blame] | 206 | u8 max_fid_offset_flood_tables; |
| 207 | u16 fid_offset_flood_table_size; |
Ido Schimmel | 453b6a8 | 2015-10-16 14:01:24 +0200 | [diff] [blame] | 208 | u8 max_fid_flood_tables; |
| 209 | u16 fid_flood_table_size; |
Jiri Pirko | 93c1edb | 2015-07-29 23:33:46 +0200 | [diff] [blame] | 210 | u16 max_ib_mc; |
| 211 | u16 max_pkey; |
| 212 | u8 ar_sec; |
| 213 | u16 adaptive_routing_group_cap; |
| 214 | u8 arn; |
Jiri Pirko | 489107b | 2016-07-05 11:27:45 +0200 | [diff] [blame] | 215 | u32 kvd_linear_size; |
| 216 | u32 kvd_hash_single_size; |
| 217 | u32 kvd_hash_double_size; |
Nogah Frankel | 57d316b | 2016-07-21 12:03:09 +0200 | [diff] [blame] | 218 | u8 resource_query_enable; |
Jiri Pirko | 93c1edb | 2015-07-29 23:33:46 +0200 | [diff] [blame] | 219 | struct mlxsw_swid_config swid_config[MLXSW_CONFIG_PROFILE_SWID_COUNT]; |
| 220 | }; |
| 221 | |
| 222 | struct mlxsw_driver { |
| 223 | struct list_head list; |
| 224 | const char *kind; |
| 225 | struct module *owner; |
| 226 | size_t priv_size; |
Jiri Pirko | b2f1057 | 2016-04-08 19:11:23 +0200 | [diff] [blame] | 227 | int (*init)(struct mlxsw_core *mlxsw_core, |
Jiri Pirko | 93c1edb | 2015-07-29 23:33:46 +0200 | [diff] [blame] | 228 | const struct mlxsw_bus_info *mlxsw_bus_info); |
Jiri Pirko | b2f1057 | 2016-04-08 19:11:23 +0200 | [diff] [blame] | 229 | void (*fini)(struct mlxsw_core *mlxsw_core); |
| 230 | int (*port_split)(struct mlxsw_core *mlxsw_core, u8 local_port, |
| 231 | unsigned int count); |
| 232 | int (*port_unsplit)(struct mlxsw_core *mlxsw_core, u8 local_port); |
Jiri Pirko | a6179bf | 2016-04-14 18:19:15 +0200 | [diff] [blame] | 233 | int (*sb_pool_get)(struct mlxsw_core *mlxsw_core, |
| 234 | unsigned int sb_index, u16 pool_index, |
| 235 | struct devlink_sb_pool_info *pool_info); |
| 236 | int (*sb_pool_set)(struct mlxsw_core *mlxsw_core, |
| 237 | unsigned int sb_index, u16 pool_index, u32 size, |
| 238 | enum devlink_sb_threshold_type threshold_type); |
| 239 | int (*sb_port_pool_get)(struct mlxsw_core_port *mlxsw_core_port, |
| 240 | unsigned int sb_index, u16 pool_index, |
| 241 | u32 *p_threshold); |
| 242 | int (*sb_port_pool_set)(struct mlxsw_core_port *mlxsw_core_port, |
| 243 | unsigned int sb_index, u16 pool_index, |
| 244 | u32 threshold); |
| 245 | int (*sb_tc_pool_bind_get)(struct mlxsw_core_port *mlxsw_core_port, |
| 246 | unsigned int sb_index, u16 tc_index, |
| 247 | enum devlink_sb_pool_type pool_type, |
| 248 | u16 *p_pool_index, u32 *p_threshold); |
| 249 | int (*sb_tc_pool_bind_set)(struct mlxsw_core_port *mlxsw_core_port, |
| 250 | unsigned int sb_index, u16 tc_index, |
| 251 | enum devlink_sb_pool_type pool_type, |
| 252 | u16 pool_index, u32 threshold); |
Jiri Pirko | 1ceecc8 | 2016-04-14 18:19:25 +0200 | [diff] [blame] | 253 | int (*sb_occ_snapshot)(struct mlxsw_core *mlxsw_core, |
| 254 | unsigned int sb_index); |
| 255 | int (*sb_occ_max_clear)(struct mlxsw_core *mlxsw_core, |
| 256 | unsigned int sb_index); |
| 257 | int (*sb_occ_port_pool_get)(struct mlxsw_core_port *mlxsw_core_port, |
| 258 | unsigned int sb_index, u16 pool_index, |
| 259 | u32 *p_cur, u32 *p_max); |
| 260 | int (*sb_occ_tc_port_bind_get)(struct mlxsw_core_port *mlxsw_core_port, |
| 261 | unsigned int sb_index, u16 tc_index, |
| 262 | enum devlink_sb_pool_type pool_type, |
| 263 | u32 *p_cur, u32 *p_max); |
Jiri Pirko | 93c1edb | 2015-07-29 23:33:46 +0200 | [diff] [blame] | 264 | void (*txhdr_construct)(struct sk_buff *skb, |
| 265 | const struct mlxsw_tx_info *tx_info); |
| 266 | u8 txhdr_len; |
| 267 | const struct mlxsw_config_profile *profile; |
| 268 | }; |
| 269 | |
Nogah Frankel | 57d316b | 2016-07-21 12:03:09 +0200 | [diff] [blame] | 270 | struct mlxsw_resources { |
Nogah Frankel | ded821c | 2016-07-21 12:03:10 +0200 | [diff] [blame] | 271 | u8 max_span_valid:1; |
| 272 | u8 max_span; |
Nogah Frankel | 57d316b | 2016-07-21 12:03:09 +0200 | [diff] [blame] | 273 | }; |
| 274 | |
| 275 | struct mlxsw_resources *mlxsw_core_resources_get(struct mlxsw_core *mlxsw_core); |
| 276 | |
Jiri Pirko | 93c1edb | 2015-07-29 23:33:46 +0200 | [diff] [blame] | 277 | struct mlxsw_bus { |
| 278 | const char *kind; |
| 279 | int (*init)(void *bus_priv, struct mlxsw_core *mlxsw_core, |
Nogah Frankel | 57d316b | 2016-07-21 12:03:09 +0200 | [diff] [blame] | 280 | const struct mlxsw_config_profile *profile, |
| 281 | struct mlxsw_resources *resources); |
Jiri Pirko | 93c1edb | 2015-07-29 23:33:46 +0200 | [diff] [blame] | 282 | void (*fini)(void *bus_priv); |
Ido Schimmel | d003462 | 2015-08-06 16:41:56 +0200 | [diff] [blame] | 283 | bool (*skb_transmit_busy)(void *bus_priv, |
| 284 | const struct mlxsw_tx_info *tx_info); |
Jiri Pirko | 93c1edb | 2015-07-29 23:33:46 +0200 | [diff] [blame] | 285 | int (*skb_transmit)(void *bus_priv, struct sk_buff *skb, |
| 286 | const struct mlxsw_tx_info *tx_info); |
| 287 | int (*cmd_exec)(void *bus_priv, u16 opcode, u8 opcode_mod, |
| 288 | u32 in_mod, bool out_mbox_direct, |
| 289 | char *in_mbox, size_t in_mbox_size, |
| 290 | char *out_mbox, size_t out_mbox_size, |
| 291 | u8 *p_status); |
| 292 | }; |
| 293 | |
| 294 | struct mlxsw_bus_info { |
| 295 | const char *device_kind; |
| 296 | const char *device_name; |
| 297 | struct device *dev; |
| 298 | struct { |
| 299 | u16 major; |
| 300 | u16 minor; |
| 301 | u16 subminor; |
| 302 | } fw_rev; |
| 303 | u8 vsd[MLXSW_CMD_BOARDINFO_VSD_LEN]; |
| 304 | u8 psid[MLXSW_CMD_BOARDINFO_PSID_LEN]; |
| 305 | }; |
| 306 | |
Jiri Pirko | 89309da | 2015-11-27 13:45:57 +0100 | [diff] [blame] | 307 | struct mlxsw_hwmon; |
| 308 | |
| 309 | #ifdef CONFIG_MLXSW_CORE_HWMON |
| 310 | |
| 311 | int mlxsw_hwmon_init(struct mlxsw_core *mlxsw_core, |
| 312 | const struct mlxsw_bus_info *mlxsw_bus_info, |
| 313 | struct mlxsw_hwmon **p_hwmon); |
| 314 | void mlxsw_hwmon_fini(struct mlxsw_hwmon *mlxsw_hwmon); |
| 315 | |
| 316 | #else |
| 317 | |
| 318 | static inline int mlxsw_hwmon_init(struct mlxsw_core *mlxsw_core, |
| 319 | const struct mlxsw_bus_info *mlxsw_bus_info, |
| 320 | struct mlxsw_hwmon **p_hwmon) |
| 321 | { |
| 322 | return 0; |
| 323 | } |
| 324 | |
Jiri Pirko | 89309da | 2015-11-27 13:45:57 +0100 | [diff] [blame] | 325 | #endif |
| 326 | |
Jiri Pirko | 93c1edb | 2015-07-29 23:33:46 +0200 | [diff] [blame] | 327 | #endif |