2 * Copyright (c) 2013-2015, Mellanox Technologies, Ltd. All rights reserved.
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6 * General Public License (GPL) Version 2, available from the file
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11 * without modification, are permitted provided that the following
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15 * copyright notice, this list of conditions and the following
18 * - Redistributions in binary form must reproduce the above
19 * copyright notice, this list of conditions and the following
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21 * provided with the distribution.
23 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
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26 * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS
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29 * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
33 #ifndef __MLX5_CORE_H__
34 #define __MLX5_CORE_H__
36 #include <linux/types.h>
37 #include <linux/kernel.h>
38 #include <linux/sched.h>
39 #include <linux/if_link.h>
40 #include <linux/firmware.h>
41 #include <linux/mlx5/cq.h>
42 #include <linux/mlx5/fs.h>
43 #include <linux/mlx5/driver.h>
45 extern uint mlx5_core_debug_mask;
47 #define mlx5_core_dbg(__dev, format, ...) \
48 dev_dbg((__dev)->device, "%s:%d:(pid %d): " format, \
49 __func__, __LINE__, current->pid, \
52 #define mlx5_core_dbg_once(__dev, format, ...) \
53 dev_dbg_once((__dev)->device, \
54 "%s:%d:(pid %d): " format, \
55 __func__, __LINE__, current->pid, \
58 #define mlx5_core_dbg_mask(__dev, mask, format, ...) \
60 if ((mask) & mlx5_core_debug_mask) \
61 mlx5_core_dbg(__dev, format, ##__VA_ARGS__); \
64 #define mlx5_core_err(__dev, format, ...) \
65 dev_err((__dev)->device, "%s:%d:(pid %d): " format, \
66 __func__, __LINE__, current->pid, \
69 #define mlx5_core_err_rl(__dev, format, ...) \
70 dev_err_ratelimited((__dev)->device, \
71 "%s:%d:(pid %d): " format, \
72 __func__, __LINE__, current->pid, \
75 #define mlx5_core_warn(__dev, format, ...) \
76 dev_warn((__dev)->device, "%s:%d:(pid %d): " format, \
77 __func__, __LINE__, current->pid, \
80 #define mlx5_core_warn_once(__dev, format, ...) \
81 dev_warn_once((__dev)->device, "%s:%d:(pid %d): " format, \
82 __func__, __LINE__, current->pid, \
85 #define mlx5_core_warn_rl(__dev, format, ...) \
86 dev_warn_ratelimited((__dev)->device, \
87 "%s:%d:(pid %d): " format, \
88 __func__, __LINE__, current->pid, \
91 #define mlx5_core_info(__dev, format, ...) \
92 dev_info((__dev)->device, format, ##__VA_ARGS__)
94 #define mlx5_core_info_rl(__dev, format, ...) \
95 dev_info_ratelimited((__dev)->device, \
96 "%s:%d:(pid %d): " format, \
97 __func__, __LINE__, current->pid, \
100 static inline void mlx5_printk(struct mlx5_core_dev *dev, int level, const char *format, ...)
102 struct device *device = dev->device;
103 struct va_format vaf;
106 if (WARN_ONCE(level < LOGLEVEL_EMERG || level > LOGLEVEL_DEBUG,
107 "Level %d is out of range, set to default level\n", level))
108 level = LOGLEVEL_DEFAULT;
110 va_start(args, format);
114 dev_printk_emit(level, device, "%s %s: %pV", dev_driver_string(device), dev_name(device),
119 #define mlx5_log(__dev, level, format, ...) \
120 mlx5_printk(__dev, level, "%s:%d:(pid %d): " format, \
121 __func__, __LINE__, current->pid, \
124 static inline struct device *mlx5_core_dma_dev(struct mlx5_core_dev *dev)
126 return &dev->pdev->dev;
130 MLX5_CMD_DATA, /* print command payload only */
131 MLX5_CMD_TIME, /* print command execution time */
135 MLX5_DRIVER_STATUS_ABORTED = 0xfe,
136 MLX5_DRIVER_SYND = 0xbadd00de,
139 enum mlx5_semaphore_space_address {
140 MLX5_SEMAPHORE_SPACE_DOMAIN = 0xA,
141 MLX5_SEMAPHORE_SW_RESET = 0x20,
144 #define MLX5_DEFAULT_PROF 2
145 #define MLX5_SF_PROF 3
147 static inline int mlx5_flexible_inlen(struct mlx5_core_dev *dev, size_t fixed,
148 size_t item_size, size_t num_items,
149 const char *func, int line)
153 if (fixed > INT_MAX || item_size > INT_MAX || num_items > INT_MAX) {
154 mlx5_core_err(dev, "%s: %s:%d: input values too big: %zu + %zu * %zu\n",
155 __func__, func, line, fixed, item_size, num_items);
159 if (check_mul_overflow((int)item_size, (int)num_items, &inlen)) {
160 mlx5_core_err(dev, "%s: %s:%d: multiplication overflow: %zu + %zu * %zu\n",
161 __func__, func, line, fixed, item_size, num_items);
165 if (check_add_overflow((int)fixed, inlen, &inlen)) {
166 mlx5_core_err(dev, "%s: %s:%d: addition overflow: %zu + %zu * %zu\n",
167 __func__, func, line, fixed, item_size, num_items);
174 #define MLX5_FLEXIBLE_INLEN(dev, fixed, item_size, num_items) \
175 mlx5_flexible_inlen(dev, fixed, item_size, num_items, __func__, __LINE__)
177 int mlx5_query_hca_caps(struct mlx5_core_dev *dev);
178 int mlx5_query_board_id(struct mlx5_core_dev *dev);
179 int mlx5_cmd_init(struct mlx5_core_dev *dev);
180 void mlx5_cmd_cleanup(struct mlx5_core_dev *dev);
181 void mlx5_cmd_set_state(struct mlx5_core_dev *dev,
182 enum mlx5_cmdif_state cmdif_state);
183 int mlx5_cmd_init_hca(struct mlx5_core_dev *dev, uint32_t *sw_owner_id);
184 int mlx5_cmd_teardown_hca(struct mlx5_core_dev *dev);
185 int mlx5_cmd_force_teardown_hca(struct mlx5_core_dev *dev);
186 int mlx5_cmd_fast_teardown_hca(struct mlx5_core_dev *dev);
187 void mlx5_enter_error_state(struct mlx5_core_dev *dev, bool force);
188 void mlx5_error_sw_reset(struct mlx5_core_dev *dev);
189 u32 mlx5_health_check_fatal_sensors(struct mlx5_core_dev *dev);
190 int mlx5_health_wait_pci_up(struct mlx5_core_dev *dev);
191 void mlx5_disable_device(struct mlx5_core_dev *dev);
192 int mlx5_recover_device(struct mlx5_core_dev *dev);
193 int mlx5_sriov_init(struct mlx5_core_dev *dev);
194 void mlx5_sriov_cleanup(struct mlx5_core_dev *dev);
195 int mlx5_sriov_attach(struct mlx5_core_dev *dev);
196 void mlx5_sriov_detach(struct mlx5_core_dev *dev);
197 int mlx5_core_sriov_configure(struct pci_dev *dev, int num_vfs);
198 void mlx5_sriov_disable(struct pci_dev *pdev, bool num_vf_change);
199 int mlx5_core_sriov_set_msix_vec_count(struct pci_dev *vf, int msix_vec_count);
200 int mlx5_core_enable_hca(struct mlx5_core_dev *dev, u16 func_id);
201 int mlx5_core_disable_hca(struct mlx5_core_dev *dev, u16 func_id);
202 int mlx5_create_scheduling_element_cmd(struct mlx5_core_dev *dev, u8 hierarchy,
203 void *context, u32 *element_id);
204 int mlx5_modify_scheduling_element_cmd(struct mlx5_core_dev *dev, u8 hierarchy,
205 void *context, u32 element_id,
207 int mlx5_destroy_scheduling_element_cmd(struct mlx5_core_dev *dev, u8 hierarchy,
209 int mlx5_wait_for_pages(struct mlx5_core_dev *dev, int *pages);
211 void mlx5_cmd_flush(struct mlx5_core_dev *dev);
212 void mlx5_cq_debugfs_init(struct mlx5_core_dev *dev);
213 void mlx5_cq_debugfs_cleanup(struct mlx5_core_dev *dev);
215 int mlx5_query_pcam_reg(struct mlx5_core_dev *dev, u32 *pcam, u8 feature_group,
216 u8 access_reg_group);
217 int mlx5_query_mcam_reg(struct mlx5_core_dev *dev, u32 *mcap, u8 feature_group,
218 u8 access_reg_group);
219 int mlx5_query_qcam_reg(struct mlx5_core_dev *mdev, u32 *qcam,
220 u8 feature_group, u8 access_reg_group);
222 void mlx5_lag_add_netdev(struct mlx5_core_dev *dev, struct net_device *netdev);
223 void mlx5_lag_remove_netdev(struct mlx5_core_dev *dev, struct net_device *netdev);
224 void mlx5_lag_add_mdev(struct mlx5_core_dev *dev);
225 void mlx5_lag_remove_mdev(struct mlx5_core_dev *dev);
226 void mlx5_lag_disable_change(struct mlx5_core_dev *dev);
227 void mlx5_lag_enable_change(struct mlx5_core_dev *dev);
229 int mlx5_events_init(struct mlx5_core_dev *dev);
230 void mlx5_events_cleanup(struct mlx5_core_dev *dev);
231 void mlx5_events_start(struct mlx5_core_dev *dev);
232 void mlx5_events_stop(struct mlx5_core_dev *dev);
234 int mlx5_adev_idx_alloc(void);
235 void mlx5_adev_idx_free(int idx);
236 void mlx5_adev_cleanup(struct mlx5_core_dev *dev);
237 int mlx5_adev_init(struct mlx5_core_dev *dev);
239 int mlx5_attach_device(struct mlx5_core_dev *dev);
240 void mlx5_detach_device(struct mlx5_core_dev *dev, bool suspend);
241 int mlx5_register_device(struct mlx5_core_dev *dev);
242 void mlx5_unregister_device(struct mlx5_core_dev *dev);
243 void mlx5_dev_set_lightweight(struct mlx5_core_dev *dev);
244 bool mlx5_dev_is_lightweight(struct mlx5_core_dev *dev);
245 struct mlx5_core_dev *mlx5_get_next_phys_dev_lag(struct mlx5_core_dev *dev);
246 void mlx5_dev_list_lock(void);
247 void mlx5_dev_list_unlock(void);
248 int mlx5_dev_list_trylock(void);
250 void mlx5_fw_reporters_create(struct mlx5_core_dev *dev);
251 int mlx5_query_mtpps(struct mlx5_core_dev *dev, u32 *mtpps, u32 mtpps_size);
252 int mlx5_set_mtpps(struct mlx5_core_dev *mdev, u32 *mtpps, u32 mtpps_size);
253 int mlx5_query_mtppse(struct mlx5_core_dev *mdev, u8 pin, u8 *arm, u8 *mode);
254 int mlx5_set_mtppse(struct mlx5_core_dev *mdev, u8 pin, u8 arm, u8 mode);
256 struct mlx5_dm *mlx5_dm_create(struct mlx5_core_dev *dev);
257 void mlx5_dm_cleanup(struct mlx5_core_dev *dev);
259 #define MLX5_PPS_CAP(mdev) (MLX5_CAP_GEN((mdev), pps) && \
260 MLX5_CAP_GEN((mdev), pps_modify) && \
261 MLX5_CAP_MCAM_FEATURE((mdev), mtpps_fs) && \
262 MLX5_CAP_MCAM_FEATURE((mdev), mtpps_enh_out_per_adj))
264 int mlx5_firmware_flash(struct mlx5_core_dev *dev, const struct firmware *fw,
265 struct netlink_ext_ack *extack);
266 int mlx5_fw_version_query(struct mlx5_core_dev *dev,
267 u32 *running_ver, u32 *stored_ver);
269 #ifdef CONFIG_MLX5_CORE_EN
270 int mlx5e_init(void);
271 void mlx5e_cleanup(void);
273 static inline int mlx5e_init(void){ return 0; }
274 static inline void mlx5e_cleanup(void){}
277 static inline bool mlx5_sriov_is_enabled(struct mlx5_core_dev *dev)
279 return pci_num_vf(dev->pdev) ? true : false;
282 int mlx5_rescan_drivers_locked(struct mlx5_core_dev *dev);
283 static inline int mlx5_rescan_drivers(struct mlx5_core_dev *dev)
287 mlx5_dev_list_lock();
288 ret = mlx5_rescan_drivers_locked(dev);
289 mlx5_dev_list_unlock();
293 void mlx5_lag_update(struct mlx5_core_dev *dev);
296 MLX5_NIC_IFC_FULL = 0,
297 MLX5_NIC_IFC_DISABLED = 1,
298 MLX5_NIC_IFC_NO_DRAM_NIC = 2,
299 MLX5_NIC_IFC_SW_RESET = 7
302 u8 mlx5_get_nic_state(struct mlx5_core_dev *dev);
303 void mlx5_set_nic_state(struct mlx5_core_dev *dev, u8 state);
305 static inline bool mlx5_core_is_sf(const struct mlx5_core_dev *dev)
307 return dev->coredev_type == MLX5_COREDEV_SF;
310 int mlx5_mdev_init(struct mlx5_core_dev *dev, int profile_idx);
311 void mlx5_mdev_uninit(struct mlx5_core_dev *dev);
312 int mlx5_init_one(struct mlx5_core_dev *dev);
313 int mlx5_init_one_devl_locked(struct mlx5_core_dev *dev);
314 void mlx5_uninit_one(struct mlx5_core_dev *dev);
315 void mlx5_unload_one(struct mlx5_core_dev *dev, bool suspend);
316 void mlx5_unload_one_devl_locked(struct mlx5_core_dev *dev, bool suspend);
317 int mlx5_load_one(struct mlx5_core_dev *dev, bool recovery);
318 int mlx5_load_one_devl_locked(struct mlx5_core_dev *dev, bool recovery);
319 int mlx5_init_one_light(struct mlx5_core_dev *dev);
320 void mlx5_uninit_one_light(struct mlx5_core_dev *dev);
321 void mlx5_unload_one_light(struct mlx5_core_dev *dev);
323 int mlx5_vport_set_other_func_cap(struct mlx5_core_dev *dev, const void *hca_cap, u16 vport,
325 #define mlx5_vport_get_other_func_general_cap(dev, vport, out) \
326 mlx5_vport_get_other_func_cap(dev, vport, out, MLX5_CAP_GENERAL)
328 void mlx5_events_work_enqueue(struct mlx5_core_dev *dev, struct work_struct *work);
329 static inline u32 mlx5_sriov_get_vf_total_msix(struct pci_dev *pdev)
331 struct mlx5_core_dev *dev = pci_get_drvdata(pdev);
333 return MLX5_CAP_GEN_MAX(dev, num_total_dynamic_vf_msix);
336 bool mlx5_eth_supported(struct mlx5_core_dev *dev);
337 bool mlx5_rdma_supported(struct mlx5_core_dev *dev);
338 bool mlx5_vnet_supported(struct mlx5_core_dev *dev);
339 bool mlx5_same_hw_devs(struct mlx5_core_dev *dev, struct mlx5_core_dev *peer_dev);
341 static inline u16 mlx5_core_ec_vf_vport_base(const struct mlx5_core_dev *dev)
343 return MLX5_CAP_GEN_2(dev, ec_vf_vport_base);
346 static inline u16 mlx5_core_ec_sriov_enabled(const struct mlx5_core_dev *dev)
348 return mlx5_core_is_ecpf(dev) && mlx5_core_ec_vf_vport_base(dev);
351 static inline bool mlx5_core_is_ec_vf_vport(const struct mlx5_core_dev *dev, u16 vport_num)
353 int base_vport = mlx5_core_ec_vf_vport_base(dev);
354 int max_vport = base_vport + mlx5_core_max_ec_vfs(dev);
356 if (!mlx5_core_ec_sriov_enabled(dev))
359 return (vport_num >= base_vport && vport_num < max_vport);
362 static inline int mlx5_vport_to_func_id(const struct mlx5_core_dev *dev, u16 vport, bool ec_vf_func)
364 return ec_vf_func ? vport - mlx5_core_ec_vf_vport_base(dev)
368 #endif /* __MLX5_CORE_H__ */