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e126ba97 EC |
1 | /* |
2 | * Copyright (c) 2013, Mellanox Technologies inc. All rights reserved. | |
3 | * | |
4 | * This software is available to you under a choice of one of two | |
5 | * licenses. You may choose to be licensed under the terms of the GNU | |
6 | * General Public License (GPL) Version 2, available from the file | |
7 | * COPYING in the main directory of this source tree, or the | |
8 | * OpenIB.org BSD license below: | |
9 | * | |
10 | * Redistribution and use in source and binary forms, with or | |
11 | * without modification, are permitted provided that the following | |
12 | * conditions are met: | |
13 | * | |
14 | * - Redistributions of source code must retain the above | |
15 | * copyright notice, this list of conditions and the following | |
16 | * disclaimer. | |
17 | * | |
18 | * - Redistributions in binary form must reproduce the above | |
19 | * copyright notice, this list of conditions and the following | |
20 | * disclaimer in the documentation and/or other materials | |
21 | * provided with the distribution. | |
22 | * | |
23 | * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, | |
24 | * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF | |
25 | * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND | |
26 | * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS | |
27 | * BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN | |
28 | * ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN | |
29 | * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE | |
30 | * SOFTWARE. | |
31 | */ | |
32 | ||
33 | #ifndef MLX5_DRIVER_H | |
34 | #define MLX5_DRIVER_H | |
35 | ||
36 | #include <linux/kernel.h> | |
37 | #include <linux/completion.h> | |
38 | #include <linux/pci.h> | |
39 | #include <linux/spinlock_types.h> | |
40 | #include <linux/semaphore.h> | |
6ecde51d | 41 | #include <linux/slab.h> |
e126ba97 EC |
42 | #include <linux/vmalloc.h> |
43 | #include <linux/radix-tree.h> | |
6ecde51d | 44 | |
e126ba97 EC |
45 | #include <linux/mlx5/device.h> |
46 | #include <linux/mlx5/doorbell.h> | |
47 | ||
48 | enum { | |
49 | MLX5_BOARD_ID_LEN = 64, | |
50 | MLX5_MAX_NAME_LEN = 16, | |
51 | }; | |
52 | ||
53 | enum { | |
54 | /* one minute for the sake of bringup. Generally, commands must always | |
55 | * complete and we may need to increase this timeout value | |
56 | */ | |
57 | MLX5_CMD_TIMEOUT_MSEC = 7200 * 1000, | |
58 | MLX5_CMD_WQ_MAX_NAME = 32, | |
59 | }; | |
60 | ||
61 | enum { | |
62 | CMD_OWNER_SW = 0x0, | |
63 | CMD_OWNER_HW = 0x1, | |
64 | CMD_STATUS_SUCCESS = 0, | |
65 | }; | |
66 | ||
67 | enum mlx5_sqp_t { | |
68 | MLX5_SQP_SMI = 0, | |
69 | MLX5_SQP_GSI = 1, | |
70 | MLX5_SQP_IEEE_1588 = 2, | |
71 | MLX5_SQP_SNIFFER = 3, | |
72 | MLX5_SQP_SYNC_UMR = 4, | |
73 | }; | |
74 | ||
75 | enum { | |
76 | MLX5_MAX_PORTS = 2, | |
77 | }; | |
78 | ||
79 | enum { | |
80 | MLX5_EQ_VEC_PAGES = 0, | |
81 | MLX5_EQ_VEC_CMD = 1, | |
82 | MLX5_EQ_VEC_ASYNC = 2, | |
83 | MLX5_EQ_VEC_COMP_BASE, | |
84 | }; | |
85 | ||
86 | enum { | |
ada9f5d0 | 87 | MLX5_MAX_EQ_NAME = 32 |
e126ba97 EC |
88 | }; |
89 | ||
90 | enum { | |
91 | MLX5_ATOMIC_MODE_IB_COMP = 1 << 16, | |
92 | MLX5_ATOMIC_MODE_CX = 2 << 16, | |
93 | MLX5_ATOMIC_MODE_8B = 3 << 16, | |
94 | MLX5_ATOMIC_MODE_16B = 4 << 16, | |
95 | MLX5_ATOMIC_MODE_32B = 5 << 16, | |
96 | MLX5_ATOMIC_MODE_64B = 6 << 16, | |
97 | MLX5_ATOMIC_MODE_128B = 7 << 16, | |
98 | MLX5_ATOMIC_MODE_256B = 8 << 16, | |
99 | }; | |
100 | ||
101 | enum { | |
102 | MLX5_CMD_OP_QUERY_HCA_CAP = 0x100, | |
103 | MLX5_CMD_OP_QUERY_ADAPTER = 0x101, | |
104 | MLX5_CMD_OP_INIT_HCA = 0x102, | |
105 | MLX5_CMD_OP_TEARDOWN_HCA = 0x103, | |
cd23b14b EC |
106 | MLX5_CMD_OP_ENABLE_HCA = 0x104, |
107 | MLX5_CMD_OP_DISABLE_HCA = 0x105, | |
e126ba97 EC |
108 | MLX5_CMD_OP_QUERY_PAGES = 0x107, |
109 | MLX5_CMD_OP_MANAGE_PAGES = 0x108, | |
110 | MLX5_CMD_OP_SET_HCA_CAP = 0x109, | |
111 | ||
112 | MLX5_CMD_OP_CREATE_MKEY = 0x200, | |
113 | MLX5_CMD_OP_QUERY_MKEY = 0x201, | |
114 | MLX5_CMD_OP_DESTROY_MKEY = 0x202, | |
115 | MLX5_CMD_OP_QUERY_SPECIAL_CONTEXTS = 0x203, | |
116 | ||
117 | MLX5_CMD_OP_CREATE_EQ = 0x301, | |
118 | MLX5_CMD_OP_DESTROY_EQ = 0x302, | |
119 | MLX5_CMD_OP_QUERY_EQ = 0x303, | |
120 | ||
121 | MLX5_CMD_OP_CREATE_CQ = 0x400, | |
122 | MLX5_CMD_OP_DESTROY_CQ = 0x401, | |
123 | MLX5_CMD_OP_QUERY_CQ = 0x402, | |
124 | MLX5_CMD_OP_MODIFY_CQ = 0x403, | |
125 | ||
126 | MLX5_CMD_OP_CREATE_QP = 0x500, | |
127 | MLX5_CMD_OP_DESTROY_QP = 0x501, | |
128 | MLX5_CMD_OP_RST2INIT_QP = 0x502, | |
129 | MLX5_CMD_OP_INIT2RTR_QP = 0x503, | |
130 | MLX5_CMD_OP_RTR2RTS_QP = 0x504, | |
131 | MLX5_CMD_OP_RTS2RTS_QP = 0x505, | |
132 | MLX5_CMD_OP_SQERR2RTS_QP = 0x506, | |
133 | MLX5_CMD_OP_2ERR_QP = 0x507, | |
134 | MLX5_CMD_OP_RTS2SQD_QP = 0x508, | |
135 | MLX5_CMD_OP_SQD2RTS_QP = 0x509, | |
136 | MLX5_CMD_OP_2RST_QP = 0x50a, | |
137 | MLX5_CMD_OP_QUERY_QP = 0x50b, | |
138 | MLX5_CMD_OP_CONF_SQP = 0x50c, | |
139 | MLX5_CMD_OP_MAD_IFC = 0x50d, | |
140 | MLX5_CMD_OP_INIT2INIT_QP = 0x50e, | |
141 | MLX5_CMD_OP_SUSPEND_QP = 0x50f, | |
142 | MLX5_CMD_OP_UNSUSPEND_QP = 0x510, | |
143 | MLX5_CMD_OP_SQD2SQD_QP = 0x511, | |
144 | MLX5_CMD_OP_ALLOC_QP_COUNTER_SET = 0x512, | |
145 | MLX5_CMD_OP_DEALLOC_QP_COUNTER_SET = 0x513, | |
146 | MLX5_CMD_OP_QUERY_QP_COUNTER_SET = 0x514, | |
147 | ||
148 | MLX5_CMD_OP_CREATE_PSV = 0x600, | |
149 | MLX5_CMD_OP_DESTROY_PSV = 0x601, | |
150 | MLX5_CMD_OP_QUERY_PSV = 0x602, | |
151 | MLX5_CMD_OP_QUERY_SIG_RULE_TABLE = 0x603, | |
152 | MLX5_CMD_OP_QUERY_BLOCK_SIZE_TABLE = 0x604, | |
153 | ||
154 | MLX5_CMD_OP_CREATE_SRQ = 0x700, | |
155 | MLX5_CMD_OP_DESTROY_SRQ = 0x701, | |
156 | MLX5_CMD_OP_QUERY_SRQ = 0x702, | |
157 | MLX5_CMD_OP_ARM_RQ = 0x703, | |
158 | MLX5_CMD_OP_RESIZE_SRQ = 0x704, | |
159 | ||
160 | MLX5_CMD_OP_ALLOC_PD = 0x800, | |
161 | MLX5_CMD_OP_DEALLOC_PD = 0x801, | |
162 | MLX5_CMD_OP_ALLOC_UAR = 0x802, | |
163 | MLX5_CMD_OP_DEALLOC_UAR = 0x803, | |
164 | ||
165 | MLX5_CMD_OP_ATTACH_TO_MCG = 0x806, | |
166 | MLX5_CMD_OP_DETACH_FROM_MCG = 0x807, | |
167 | ||
168 | ||
169 | MLX5_CMD_OP_ALLOC_XRCD = 0x80e, | |
170 | MLX5_CMD_OP_DEALLOC_XRCD = 0x80f, | |
171 | ||
172 | MLX5_CMD_OP_ACCESS_REG = 0x805, | |
173 | MLX5_CMD_OP_MAX = 0x810, | |
174 | }; | |
175 | ||
176 | enum { | |
177 | MLX5_REG_PCAP = 0x5001, | |
178 | MLX5_REG_PMTU = 0x5003, | |
179 | MLX5_REG_PTYS = 0x5004, | |
180 | MLX5_REG_PAOS = 0x5006, | |
181 | MLX5_REG_PMAOS = 0x5012, | |
182 | MLX5_REG_PUDE = 0x5009, | |
183 | MLX5_REG_PMPE = 0x5010, | |
184 | MLX5_REG_PELC = 0x500e, | |
185 | MLX5_REG_PMLP = 0, /* TBD */ | |
186 | MLX5_REG_NODE_DESC = 0x6001, | |
187 | MLX5_REG_HOST_ENDIANNESS = 0x7004, | |
188 | }; | |
189 | ||
190 | enum dbg_rsc_type { | |
191 | MLX5_DBG_RSC_QP, | |
192 | MLX5_DBG_RSC_EQ, | |
193 | MLX5_DBG_RSC_CQ, | |
194 | }; | |
195 | ||
196 | struct mlx5_field_desc { | |
197 | struct dentry *dent; | |
198 | int i; | |
199 | }; | |
200 | ||
201 | struct mlx5_rsc_debug { | |
202 | struct mlx5_core_dev *dev; | |
203 | void *object; | |
204 | enum dbg_rsc_type type; | |
205 | struct dentry *root; | |
206 | struct mlx5_field_desc fields[0]; | |
207 | }; | |
208 | ||
209 | enum mlx5_dev_event { | |
210 | MLX5_DEV_EVENT_SYS_ERROR, | |
211 | MLX5_DEV_EVENT_PORT_UP, | |
212 | MLX5_DEV_EVENT_PORT_DOWN, | |
213 | MLX5_DEV_EVENT_PORT_INITIALIZED, | |
214 | MLX5_DEV_EVENT_LID_CHANGE, | |
215 | MLX5_DEV_EVENT_PKEY_CHANGE, | |
216 | MLX5_DEV_EVENT_GUID_CHANGE, | |
217 | MLX5_DEV_EVENT_CLIENT_REREG, | |
218 | }; | |
219 | ||
220 | struct mlx5_uuar_info { | |
221 | struct mlx5_uar *uars; | |
222 | int num_uars; | |
223 | int num_low_latency_uuars; | |
224 | unsigned long *bitmap; | |
225 | unsigned int *count; | |
226 | struct mlx5_bf *bfs; | |
227 | ||
228 | /* | |
229 | * protect uuar allocation data structs | |
230 | */ | |
231 | struct mutex lock; | |
78c0f98c | 232 | u32 ver; |
e126ba97 EC |
233 | }; |
234 | ||
235 | struct mlx5_bf { | |
236 | void __iomem *reg; | |
237 | void __iomem *regreg; | |
238 | int buf_size; | |
239 | struct mlx5_uar *uar; | |
240 | unsigned long offset; | |
241 | int need_lock; | |
242 | /* protect blue flame buffer selection when needed | |
243 | */ | |
244 | spinlock_t lock; | |
245 | ||
246 | /* serialize 64 bit writes when done as two 32 bit accesses | |
247 | */ | |
248 | spinlock_t lock32; | |
249 | int uuarn; | |
250 | }; | |
251 | ||
252 | struct mlx5_cmd_first { | |
253 | __be32 data[4]; | |
254 | }; | |
255 | ||
256 | struct mlx5_cmd_msg { | |
257 | struct list_head list; | |
258 | struct cache_ent *cache; | |
259 | u32 len; | |
260 | struct mlx5_cmd_first first; | |
261 | struct mlx5_cmd_mailbox *next; | |
262 | }; | |
263 | ||
264 | struct mlx5_cmd_debug { | |
265 | struct dentry *dbg_root; | |
266 | struct dentry *dbg_in; | |
267 | struct dentry *dbg_out; | |
268 | struct dentry *dbg_outlen; | |
269 | struct dentry *dbg_status; | |
270 | struct dentry *dbg_run; | |
271 | void *in_msg; | |
272 | void *out_msg; | |
273 | u8 status; | |
274 | u16 inlen; | |
275 | u16 outlen; | |
276 | }; | |
277 | ||
278 | struct cache_ent { | |
279 | /* protect block chain allocations | |
280 | */ | |
281 | spinlock_t lock; | |
282 | struct list_head head; | |
283 | }; | |
284 | ||
285 | struct cmd_msg_cache { | |
286 | struct cache_ent large; | |
287 | struct cache_ent med; | |
288 | ||
289 | }; | |
290 | ||
291 | struct mlx5_cmd_stats { | |
292 | u64 sum; | |
293 | u64 n; | |
294 | struct dentry *root; | |
295 | struct dentry *avg; | |
296 | struct dentry *count; | |
297 | /* protect command average calculations */ | |
298 | spinlock_t lock; | |
299 | }; | |
300 | ||
301 | struct mlx5_cmd { | |
302 | void *cmd_buf; | |
303 | dma_addr_t dma; | |
304 | u16 cmdif_rev; | |
305 | u8 log_sz; | |
306 | u8 log_stride; | |
307 | int max_reg_cmds; | |
308 | int events; | |
309 | u32 __iomem *vector; | |
310 | ||
311 | /* protect command queue allocations | |
312 | */ | |
313 | spinlock_t alloc_lock; | |
314 | ||
315 | /* protect token allocations | |
316 | */ | |
317 | spinlock_t token_lock; | |
318 | u8 token; | |
319 | unsigned long bitmask; | |
320 | char wq_name[MLX5_CMD_WQ_MAX_NAME]; | |
321 | struct workqueue_struct *wq; | |
322 | struct semaphore sem; | |
323 | struct semaphore pages_sem; | |
324 | int mode; | |
325 | struct mlx5_cmd_work_ent *ent_arr[MLX5_MAX_COMMANDS]; | |
326 | struct pci_pool *pool; | |
327 | struct mlx5_cmd_debug dbg; | |
328 | struct cmd_msg_cache cache; | |
329 | int checksum_disabled; | |
330 | struct mlx5_cmd_stats stats[MLX5_CMD_OP_MAX]; | |
331 | }; | |
332 | ||
333 | struct mlx5_port_caps { | |
334 | int gid_table_len; | |
335 | int pkey_table_len; | |
336 | }; | |
337 | ||
338 | struct mlx5_caps { | |
339 | u8 log_max_eq; | |
340 | u8 log_max_cq; | |
341 | u8 log_max_qp; | |
342 | u8 log_max_mkey; | |
343 | u8 log_max_pd; | |
344 | u8 log_max_srq; | |
345 | u32 max_cqes; | |
346 | int max_wqes; | |
347 | int max_sq_desc_sz; | |
348 | int max_rq_desc_sz; | |
349 | u64 flags; | |
350 | u16 stat_rate_support; | |
351 | int log_max_msg; | |
352 | int num_ports; | |
353 | int max_ra_res_qp; | |
354 | int max_ra_req_qp; | |
355 | int max_srq_wqes; | |
356 | int bf_reg_size; | |
357 | int bf_regs_per_page; | |
358 | struct mlx5_port_caps port[MLX5_MAX_PORTS]; | |
359 | u8 ext_port_cap[MLX5_MAX_PORTS]; | |
360 | int max_vf; | |
361 | u32 reserved_lkey; | |
362 | u8 local_ca_ack_delay; | |
363 | u8 log_max_mcg; | |
0a324f31 | 364 | u32 max_qp_mcg; |
e126ba97 EC |
365 | int min_page_sz; |
366 | }; | |
367 | ||
368 | struct mlx5_cmd_mailbox { | |
369 | void *buf; | |
370 | dma_addr_t dma; | |
371 | struct mlx5_cmd_mailbox *next; | |
372 | }; | |
373 | ||
374 | struct mlx5_buf_list { | |
375 | void *buf; | |
376 | dma_addr_t map; | |
377 | }; | |
378 | ||
379 | struct mlx5_buf { | |
380 | struct mlx5_buf_list direct; | |
381 | struct mlx5_buf_list *page_list; | |
382 | int nbufs; | |
383 | int npages; | |
384 | int page_shift; | |
385 | int size; | |
386 | }; | |
387 | ||
388 | struct mlx5_eq { | |
389 | struct mlx5_core_dev *dev; | |
390 | __be32 __iomem *doorbell; | |
391 | u32 cons_index; | |
392 | struct mlx5_buf buf; | |
393 | int size; | |
394 | u8 irqn; | |
395 | u8 eqn; | |
396 | int nent; | |
397 | u64 mask; | |
398 | char name[MLX5_MAX_EQ_NAME]; | |
399 | struct list_head list; | |
400 | int index; | |
401 | struct mlx5_rsc_debug *dbg; | |
402 | }; | |
403 | ||
3121e3c4 SG |
404 | struct mlx5_core_psv { |
405 | u32 psv_idx; | |
406 | struct psv_layout { | |
407 | u32 pd; | |
408 | u16 syndrome; | |
409 | u16 reserved; | |
410 | u16 bg; | |
411 | u16 app_tag; | |
412 | u32 ref_tag; | |
413 | } psv; | |
414 | }; | |
415 | ||
416 | struct mlx5_core_sig_ctx { | |
417 | struct mlx5_core_psv psv_memory; | |
418 | struct mlx5_core_psv psv_wire; | |
d5436ba0 SG |
419 | struct ib_sig_err err_item; |
420 | bool sig_status_checked; | |
421 | bool sig_err_exists; | |
422 | u32 sigerr_count; | |
3121e3c4 | 423 | }; |
e126ba97 EC |
424 | |
425 | struct mlx5_core_mr { | |
426 | u64 iova; | |
427 | u64 size; | |
428 | u32 key; | |
429 | u32 pd; | |
e126ba97 EC |
430 | }; |
431 | ||
432 | struct mlx5_core_srq { | |
433 | u32 srqn; | |
434 | int max; | |
435 | int max_gs; | |
436 | int max_avail_gather; | |
437 | int wqe_shift; | |
438 | void (*event) (struct mlx5_core_srq *, enum mlx5_event); | |
439 | ||
440 | atomic_t refcount; | |
441 | struct completion free; | |
442 | }; | |
443 | ||
444 | struct mlx5_eq_table { | |
445 | void __iomem *update_ci; | |
446 | void __iomem *update_arm_ci; | |
447 | struct list_head *comp_eq_head; | |
448 | struct mlx5_eq pages_eq; | |
449 | struct mlx5_eq async_eq; | |
450 | struct mlx5_eq cmd_eq; | |
451 | struct msix_entry *msix_arr; | |
452 | int num_comp_vectors; | |
453 | /* protect EQs list | |
454 | */ | |
455 | spinlock_t lock; | |
456 | }; | |
457 | ||
458 | struct mlx5_uar { | |
459 | u32 index; | |
460 | struct list_head bf_list; | |
461 | unsigned free_bf_bmap; | |
462 | void __iomem *wc_map; | |
463 | void __iomem *map; | |
464 | }; | |
465 | ||
466 | ||
467 | struct mlx5_core_health { | |
468 | struct health_buffer __iomem *health; | |
469 | __be32 __iomem *health_counter; | |
470 | struct timer_list timer; | |
471 | struct list_head list; | |
472 | u32 prev; | |
473 | int miss_counter; | |
474 | }; | |
475 | ||
476 | struct mlx5_cq_table { | |
477 | /* protect radix tree | |
478 | */ | |
479 | spinlock_t lock; | |
480 | struct radix_tree_root tree; | |
481 | }; | |
482 | ||
483 | struct mlx5_qp_table { | |
484 | /* protect radix tree | |
485 | */ | |
486 | spinlock_t lock; | |
487 | struct radix_tree_root tree; | |
488 | }; | |
489 | ||
490 | struct mlx5_srq_table { | |
491 | /* protect radix tree | |
492 | */ | |
493 | spinlock_t lock; | |
494 | struct radix_tree_root tree; | |
495 | }; | |
496 | ||
3bcdb17a SG |
497 | struct mlx5_mr_table { |
498 | /* protect radix tree | |
499 | */ | |
500 | rwlock_t lock; | |
501 | struct radix_tree_root tree; | |
502 | }; | |
503 | ||
e126ba97 EC |
504 | struct mlx5_priv { |
505 | char name[MLX5_MAX_NAME_LEN]; | |
506 | struct mlx5_eq_table eq_table; | |
507 | struct mlx5_uuar_info uuari; | |
508 | MLX5_DECLARE_DOORBELL_LOCK(cq_uar_lock); | |
509 | ||
510 | /* pages stuff */ | |
511 | struct workqueue_struct *pg_wq; | |
512 | struct rb_root page_root; | |
513 | int fw_pages; | |
514 | int reg_pages; | |
bf0bf77f | 515 | struct list_head free_list; |
e126ba97 EC |
516 | |
517 | struct mlx5_core_health health; | |
518 | ||
519 | struct mlx5_srq_table srq_table; | |
520 | ||
521 | /* start: qp staff */ | |
522 | struct mlx5_qp_table qp_table; | |
523 | struct dentry *qp_debugfs; | |
524 | struct dentry *eq_debugfs; | |
525 | struct dentry *cq_debugfs; | |
526 | struct dentry *cmdif_debugfs; | |
527 | /* end: qp staff */ | |
528 | ||
529 | /* start: cq staff */ | |
530 | struct mlx5_cq_table cq_table; | |
531 | /* end: cq staff */ | |
532 | ||
3bcdb17a SG |
533 | /* start: mr staff */ |
534 | struct mlx5_mr_table mr_table; | |
535 | /* end: mr staff */ | |
536 | ||
e126ba97 EC |
537 | /* start: alloc staff */ |
538 | struct mutex pgdir_mutex; | |
539 | struct list_head pgdir_list; | |
540 | /* end: alloc staff */ | |
541 | struct dentry *dbg_root; | |
542 | ||
543 | /* protect mkey key part */ | |
544 | spinlock_t mkey_lock; | |
545 | u8 mkey_key; | |
546 | }; | |
547 | ||
548 | struct mlx5_core_dev { | |
549 | struct pci_dev *pdev; | |
550 | u8 rev_id; | |
551 | char board_id[MLX5_BOARD_ID_LEN]; | |
552 | struct mlx5_cmd cmd; | |
553 | struct mlx5_caps caps; | |
554 | phys_addr_t iseg_base; | |
555 | struct mlx5_init_seg __iomem *iseg; | |
556 | void (*event) (struct mlx5_core_dev *dev, | |
557 | enum mlx5_dev_event event, | |
558 | void *data); | |
559 | struct mlx5_priv priv; | |
560 | struct mlx5_profile *profile; | |
561 | atomic_t num_qps; | |
562 | }; | |
563 | ||
564 | struct mlx5_db { | |
565 | __be32 *db; | |
566 | union { | |
567 | struct mlx5_db_pgdir *pgdir; | |
568 | struct mlx5_ib_user_db_page *user_page; | |
569 | } u; | |
570 | dma_addr_t dma; | |
571 | int index; | |
572 | }; | |
573 | ||
574 | enum { | |
575 | MLX5_DB_PER_PAGE = PAGE_SIZE / L1_CACHE_BYTES, | |
576 | }; | |
577 | ||
578 | enum { | |
579 | MLX5_COMP_EQ_SIZE = 1024, | |
580 | }; | |
581 | ||
582 | struct mlx5_db_pgdir { | |
583 | struct list_head list; | |
584 | DECLARE_BITMAP(bitmap, MLX5_DB_PER_PAGE); | |
585 | __be32 *db_page; | |
586 | dma_addr_t db_dma; | |
587 | }; | |
588 | ||
589 | typedef void (*mlx5_cmd_cbk_t)(int status, void *context); | |
590 | ||
591 | struct mlx5_cmd_work_ent { | |
592 | struct mlx5_cmd_msg *in; | |
593 | struct mlx5_cmd_msg *out; | |
746b5583 EC |
594 | void *uout; |
595 | int uout_size; | |
e126ba97 EC |
596 | mlx5_cmd_cbk_t callback; |
597 | void *context; | |
746b5583 | 598 | int idx; |
e126ba97 EC |
599 | struct completion done; |
600 | struct mlx5_cmd *cmd; | |
601 | struct work_struct work; | |
602 | struct mlx5_cmd_layout *lay; | |
603 | int ret; | |
604 | int page_queue; | |
605 | u8 status; | |
606 | u8 token; | |
14a70046 TG |
607 | u64 ts1; |
608 | u64 ts2; | |
746b5583 | 609 | u16 op; |
e126ba97 EC |
610 | }; |
611 | ||
612 | struct mlx5_pas { | |
613 | u64 pa; | |
614 | u8 log_sz; | |
615 | }; | |
616 | ||
617 | static inline void *mlx5_buf_offset(struct mlx5_buf *buf, int offset) | |
618 | { | |
619 | if (likely(BITS_PER_LONG == 64 || buf->nbufs == 1)) | |
620 | return buf->direct.buf + offset; | |
621 | else | |
622 | return buf->page_list[offset >> PAGE_SHIFT].buf + | |
623 | (offset & (PAGE_SIZE - 1)); | |
624 | } | |
625 | ||
626 | extern struct workqueue_struct *mlx5_core_wq; | |
627 | ||
628 | #define STRUCT_FIELD(header, field) \ | |
629 | .struct_offset_bytes = offsetof(struct ib_unpacked_ ## header, field), \ | |
630 | .struct_size_bytes = sizeof((struct ib_unpacked_ ## header *)0)->field | |
631 | ||
632 | struct ib_field { | |
633 | size_t struct_offset_bytes; | |
634 | size_t struct_size_bytes; | |
635 | int offset_bits; | |
636 | int size_bits; | |
637 | }; | |
638 | ||
639 | static inline struct mlx5_core_dev *pci2mlx5_core_dev(struct pci_dev *pdev) | |
640 | { | |
641 | return pci_get_drvdata(pdev); | |
642 | } | |
643 | ||
644 | extern struct dentry *mlx5_debugfs_root; | |
645 | ||
646 | static inline u16 fw_rev_maj(struct mlx5_core_dev *dev) | |
647 | { | |
648 | return ioread32be(&dev->iseg->fw_rev) & 0xffff; | |
649 | } | |
650 | ||
651 | static inline u16 fw_rev_min(struct mlx5_core_dev *dev) | |
652 | { | |
653 | return ioread32be(&dev->iseg->fw_rev) >> 16; | |
654 | } | |
655 | ||
656 | static inline u16 fw_rev_sub(struct mlx5_core_dev *dev) | |
657 | { | |
658 | return ioread32be(&dev->iseg->cmdif_rev_fw_sub) & 0xffff; | |
659 | } | |
660 | ||
661 | static inline u16 cmdif_rev(struct mlx5_core_dev *dev) | |
662 | { | |
663 | return ioread32be(&dev->iseg->cmdif_rev_fw_sub) >> 16; | |
664 | } | |
665 | ||
666 | static inline void *mlx5_vzalloc(unsigned long size) | |
667 | { | |
668 | void *rtn; | |
669 | ||
670 | rtn = kzalloc(size, GFP_KERNEL | __GFP_NOWARN); | |
671 | if (!rtn) | |
672 | rtn = vzalloc(size); | |
673 | return rtn; | |
674 | } | |
675 | ||
676 | static inline void mlx5_vfree(const void *addr) | |
677 | { | |
678 | if (addr && is_vmalloc_addr(addr)) | |
679 | vfree(addr); | |
680 | else | |
681 | kfree(addr); | |
682 | } | |
683 | ||
3bcdb17a SG |
684 | static inline u32 mlx5_base_mkey(const u32 key) |
685 | { | |
686 | return key & 0xffffff00u; | |
687 | } | |
688 | ||
e126ba97 EC |
689 | int mlx5_dev_init(struct mlx5_core_dev *dev, struct pci_dev *pdev); |
690 | void mlx5_dev_cleanup(struct mlx5_core_dev *dev); | |
691 | int mlx5_cmd_init(struct mlx5_core_dev *dev); | |
692 | void mlx5_cmd_cleanup(struct mlx5_core_dev *dev); | |
693 | void mlx5_cmd_use_events(struct mlx5_core_dev *dev); | |
694 | void mlx5_cmd_use_polling(struct mlx5_core_dev *dev); | |
695 | int mlx5_cmd_status_to_err(struct mlx5_outbox_hdr *hdr); | |
696 | int mlx5_cmd_exec(struct mlx5_core_dev *dev, void *in, int in_size, void *out, | |
697 | int out_size); | |
746b5583 EC |
698 | int mlx5_cmd_exec_cb(struct mlx5_core_dev *dev, void *in, int in_size, |
699 | void *out, int out_size, mlx5_cmd_cbk_t callback, | |
700 | void *context); | |
e126ba97 EC |
701 | int mlx5_cmd_alloc_uar(struct mlx5_core_dev *dev, u32 *uarn); |
702 | int mlx5_cmd_free_uar(struct mlx5_core_dev *dev, u32 uarn); | |
703 | int mlx5_alloc_uuars(struct mlx5_core_dev *dev, struct mlx5_uuar_info *uuari); | |
704 | int mlx5_free_uuars(struct mlx5_core_dev *dev, struct mlx5_uuar_info *uuari); | |
705 | void mlx5_health_cleanup(void); | |
706 | void __init mlx5_health_init(void); | |
707 | void mlx5_start_health_poll(struct mlx5_core_dev *dev); | |
708 | void mlx5_stop_health_poll(struct mlx5_core_dev *dev); | |
709 | int mlx5_buf_alloc(struct mlx5_core_dev *dev, int size, int max_direct, | |
710 | struct mlx5_buf *buf); | |
711 | void mlx5_buf_free(struct mlx5_core_dev *dev, struct mlx5_buf *buf); | |
712 | struct mlx5_cmd_mailbox *mlx5_alloc_cmd_mailbox_chain(struct mlx5_core_dev *dev, | |
713 | gfp_t flags, int npages); | |
714 | void mlx5_free_cmd_mailbox_chain(struct mlx5_core_dev *dev, | |
715 | struct mlx5_cmd_mailbox *head); | |
716 | int mlx5_core_create_srq(struct mlx5_core_dev *dev, struct mlx5_core_srq *srq, | |
717 | struct mlx5_create_srq_mbox_in *in, int inlen); | |
718 | int mlx5_core_destroy_srq(struct mlx5_core_dev *dev, struct mlx5_core_srq *srq); | |
719 | int mlx5_core_query_srq(struct mlx5_core_dev *dev, struct mlx5_core_srq *srq, | |
720 | struct mlx5_query_srq_mbox_out *out); | |
721 | int mlx5_core_arm_srq(struct mlx5_core_dev *dev, struct mlx5_core_srq *srq, | |
722 | u16 lwm, int is_srq); | |
3bcdb17a SG |
723 | void mlx5_init_mr_table(struct mlx5_core_dev *dev); |
724 | void mlx5_cleanup_mr_table(struct mlx5_core_dev *dev); | |
e126ba97 | 725 | int mlx5_core_create_mkey(struct mlx5_core_dev *dev, struct mlx5_core_mr *mr, |
746b5583 EC |
726 | struct mlx5_create_mkey_mbox_in *in, int inlen, |
727 | mlx5_cmd_cbk_t callback, void *context, | |
728 | struct mlx5_create_mkey_mbox_out *out); | |
e126ba97 EC |
729 | int mlx5_core_destroy_mkey(struct mlx5_core_dev *dev, struct mlx5_core_mr *mr); |
730 | int mlx5_core_query_mkey(struct mlx5_core_dev *dev, struct mlx5_core_mr *mr, | |
731 | struct mlx5_query_mkey_mbox_out *out, int outlen); | |
732 | int mlx5_core_dump_fill_mkey(struct mlx5_core_dev *dev, struct mlx5_core_mr *mr, | |
733 | u32 *mkey); | |
734 | int mlx5_core_alloc_pd(struct mlx5_core_dev *dev, u32 *pdn); | |
735 | int mlx5_core_dealloc_pd(struct mlx5_core_dev *dev, u32 pdn); | |
736 | int mlx5_core_mad_ifc(struct mlx5_core_dev *dev, void *inb, void *outb, | |
737 | u16 opmod, int port); | |
738 | void mlx5_pagealloc_init(struct mlx5_core_dev *dev); | |
739 | void mlx5_pagealloc_cleanup(struct mlx5_core_dev *dev); | |
740 | int mlx5_pagealloc_start(struct mlx5_core_dev *dev); | |
741 | void mlx5_pagealloc_stop(struct mlx5_core_dev *dev); | |
742 | void mlx5_core_req_pages_handler(struct mlx5_core_dev *dev, u16 func_id, | |
0a324f31 | 743 | s32 npages); |
cd23b14b | 744 | int mlx5_satisfy_startup_pages(struct mlx5_core_dev *dev, int boot); |
e126ba97 EC |
745 | int mlx5_reclaim_startup_pages(struct mlx5_core_dev *dev); |
746 | void mlx5_register_debugfs(void); | |
747 | void mlx5_unregister_debugfs(void); | |
748 | int mlx5_eq_init(struct mlx5_core_dev *dev); | |
749 | void mlx5_eq_cleanup(struct mlx5_core_dev *dev); | |
750 | void mlx5_fill_page_array(struct mlx5_buf *buf, __be64 *pas); | |
751 | void mlx5_cq_completion(struct mlx5_core_dev *dev, u32 cqn); | |
752 | void mlx5_qp_event(struct mlx5_core_dev *dev, u32 qpn, int event_type); | |
753 | void mlx5_srq_event(struct mlx5_core_dev *dev, u32 srqn, int event_type); | |
754 | struct mlx5_core_srq *mlx5_core_get_srq(struct mlx5_core_dev *dev, u32 srqn); | |
755 | void mlx5_cmd_comp_handler(struct mlx5_core_dev *dev, unsigned long vector); | |
756 | void mlx5_cq_event(struct mlx5_core_dev *dev, u32 cqn, int event_type); | |
757 | int mlx5_create_map_eq(struct mlx5_core_dev *dev, struct mlx5_eq *eq, u8 vecidx, | |
758 | int nent, u64 mask, const char *name, struct mlx5_uar *uar); | |
759 | int mlx5_destroy_unmap_eq(struct mlx5_core_dev *dev, struct mlx5_eq *eq); | |
760 | int mlx5_start_eqs(struct mlx5_core_dev *dev); | |
761 | int mlx5_stop_eqs(struct mlx5_core_dev *dev); | |
762 | int mlx5_core_attach_mcg(struct mlx5_core_dev *dev, union ib_gid *mgid, u32 qpn); | |
763 | int mlx5_core_detach_mcg(struct mlx5_core_dev *dev, union ib_gid *mgid, u32 qpn); | |
764 | ||
765 | int mlx5_qp_debugfs_init(struct mlx5_core_dev *dev); | |
766 | void mlx5_qp_debugfs_cleanup(struct mlx5_core_dev *dev); | |
767 | int mlx5_core_access_reg(struct mlx5_core_dev *dev, void *data_in, | |
768 | int size_in, void *data_out, int size_out, | |
769 | u16 reg_num, int arg, int write); | |
770 | int mlx5_set_port_caps(struct mlx5_core_dev *dev, int port_num, u32 caps); | |
771 | ||
772 | int mlx5_debug_eq_add(struct mlx5_core_dev *dev, struct mlx5_eq *eq); | |
773 | void mlx5_debug_eq_remove(struct mlx5_core_dev *dev, struct mlx5_eq *eq); | |
774 | int mlx5_core_eq_query(struct mlx5_core_dev *dev, struct mlx5_eq *eq, | |
775 | struct mlx5_query_eq_mbox_out *out, int outlen); | |
776 | int mlx5_eq_debugfs_init(struct mlx5_core_dev *dev); | |
777 | void mlx5_eq_debugfs_cleanup(struct mlx5_core_dev *dev); | |
778 | int mlx5_cq_debugfs_init(struct mlx5_core_dev *dev); | |
779 | void mlx5_cq_debugfs_cleanup(struct mlx5_core_dev *dev); | |
780 | int mlx5_db_alloc(struct mlx5_core_dev *dev, struct mlx5_db *db); | |
781 | void mlx5_db_free(struct mlx5_core_dev *dev, struct mlx5_db *db); | |
782 | ||
e126ba97 EC |
783 | const char *mlx5_command_str(int command); |
784 | int mlx5_cmdif_debugfs_init(struct mlx5_core_dev *dev); | |
785 | void mlx5_cmdif_debugfs_cleanup(struct mlx5_core_dev *dev); | |
3121e3c4 SG |
786 | int mlx5_core_create_psv(struct mlx5_core_dev *dev, u32 pdn, |
787 | int npsvs, u32 *sig_index); | |
788 | int mlx5_core_destroy_psv(struct mlx5_core_dev *dev, int psv_num); | |
e126ba97 EC |
789 | |
790 | static inline u32 mlx5_mkey_to_idx(u32 mkey) | |
791 | { | |
792 | return mkey >> 8; | |
793 | } | |
794 | ||
795 | static inline u32 mlx5_idx_to_mkey(u32 mkey_idx) | |
796 | { | |
797 | return mkey_idx << 8; | |
798 | } | |
799 | ||
746b5583 EC |
800 | static inline u8 mlx5_mkey_variant(u32 mkey) |
801 | { | |
802 | return mkey & 0xff; | |
803 | } | |
804 | ||
e126ba97 EC |
805 | enum { |
806 | MLX5_PROF_MASK_QP_SIZE = (u64)1 << 0, | |
c1868b82 | 807 | MLX5_PROF_MASK_MR_CACHE = (u64)1 << 1, |
e126ba97 EC |
808 | }; |
809 | ||
810 | enum { | |
811 | MAX_MR_CACHE_ENTRIES = 16, | |
812 | }; | |
813 | ||
814 | struct mlx5_profile { | |
815 | u64 mask; | |
816 | u32 log_max_qp; | |
e126ba97 EC |
817 | struct { |
818 | int size; | |
819 | int limit; | |
820 | } mr_cache[MAX_MR_CACHE_ENTRIES]; | |
821 | }; | |
822 | ||
823 | #endif /* MLX5_DRIVER_H */ |