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1 | /* | |
2 | * Copyright (c) 2006, 2007 Cisco Systems, 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 MLX4_DEVICE_H | |
34 | #define MLX4_DEVICE_H | |
35 | ||
36 | #include <linux/pci.h> | |
37 | #include <linux/completion.h> | |
38 | #include <linux/radix-tree.h> | |
39 | ||
40 | #include <asm/atomic.h> | |
41 | ||
42 | enum { | |
43 | MLX4_FLAG_MSI_X = 1 << 0, | |
44 | MLX4_FLAG_OLD_PORT_CMDS = 1 << 1, | |
45 | }; | |
46 | ||
47 | enum { | |
48 | MLX4_MAX_PORTS = 2 | |
49 | }; | |
50 | ||
51 | enum { | |
52 | MLX4_BOARD_ID_LEN = 64 | |
53 | }; | |
54 | ||
55 | enum { | |
56 | MLX4_DEV_CAP_FLAG_RC = 1 << 0, | |
57 | MLX4_DEV_CAP_FLAG_UC = 1 << 1, | |
58 | MLX4_DEV_CAP_FLAG_UD = 1 << 2, | |
59 | MLX4_DEV_CAP_FLAG_SRQ = 1 << 6, | |
60 | MLX4_DEV_CAP_FLAG_IPOIB_CSUM = 1 << 7, | |
61 | MLX4_DEV_CAP_FLAG_BAD_PKEY_CNTR = 1 << 8, | |
62 | MLX4_DEV_CAP_FLAG_BAD_QKEY_CNTR = 1 << 9, | |
63 | MLX4_DEV_CAP_FLAG_DPDP = 1 << 12, | |
64 | MLX4_DEV_CAP_FLAG_BLH = 1 << 15, | |
65 | MLX4_DEV_CAP_FLAG_MEM_WINDOW = 1 << 16, | |
66 | MLX4_DEV_CAP_FLAG_APM = 1 << 17, | |
67 | MLX4_DEV_CAP_FLAG_ATOMIC = 1 << 18, | |
68 | MLX4_DEV_CAP_FLAG_RAW_MCAST = 1 << 19, | |
69 | MLX4_DEV_CAP_FLAG_UD_AV_PORT = 1 << 20, | |
70 | MLX4_DEV_CAP_FLAG_UD_MCAST = 1 << 21 | |
71 | }; | |
72 | ||
73 | enum { | |
74 | MLX4_BMME_FLAG_LOCAL_INV = 1 << 6, | |
75 | MLX4_BMME_FLAG_REMOTE_INV = 1 << 7, | |
76 | MLX4_BMME_FLAG_TYPE_2_WIN = 1 << 9, | |
77 | MLX4_BMME_FLAG_RESERVED_LKEY = 1 << 10, | |
78 | MLX4_BMME_FLAG_FAST_REG_WR = 1 << 11, | |
79 | }; | |
80 | ||
81 | enum mlx4_event { | |
82 | MLX4_EVENT_TYPE_COMP = 0x00, | |
83 | MLX4_EVENT_TYPE_PATH_MIG = 0x01, | |
84 | MLX4_EVENT_TYPE_COMM_EST = 0x02, | |
85 | MLX4_EVENT_TYPE_SQ_DRAINED = 0x03, | |
86 | MLX4_EVENT_TYPE_SRQ_QP_LAST_WQE = 0x13, | |
87 | MLX4_EVENT_TYPE_SRQ_LIMIT = 0x14, | |
88 | MLX4_EVENT_TYPE_CQ_ERROR = 0x04, | |
89 | MLX4_EVENT_TYPE_WQ_CATAS_ERROR = 0x05, | |
90 | MLX4_EVENT_TYPE_EEC_CATAS_ERROR = 0x06, | |
91 | MLX4_EVENT_TYPE_PATH_MIG_FAILED = 0x07, | |
92 | MLX4_EVENT_TYPE_WQ_INVAL_REQ_ERROR = 0x10, | |
93 | MLX4_EVENT_TYPE_WQ_ACCESS_ERROR = 0x11, | |
94 | MLX4_EVENT_TYPE_SRQ_CATAS_ERROR = 0x12, | |
95 | MLX4_EVENT_TYPE_LOCAL_CATAS_ERROR = 0x08, | |
96 | MLX4_EVENT_TYPE_PORT_CHANGE = 0x09, | |
97 | MLX4_EVENT_TYPE_EQ_OVERFLOW = 0x0f, | |
98 | MLX4_EVENT_TYPE_ECC_DETECT = 0x0e, | |
99 | MLX4_EVENT_TYPE_CMD = 0x0a | |
100 | }; | |
101 | ||
102 | enum { | |
103 | MLX4_PORT_CHANGE_SUBTYPE_DOWN = 1, | |
104 | MLX4_PORT_CHANGE_SUBTYPE_ACTIVE = 4 | |
105 | }; | |
106 | ||
107 | enum { | |
108 | MLX4_PERM_LOCAL_READ = 1 << 10, | |
109 | MLX4_PERM_LOCAL_WRITE = 1 << 11, | |
110 | MLX4_PERM_REMOTE_READ = 1 << 12, | |
111 | MLX4_PERM_REMOTE_WRITE = 1 << 13, | |
112 | MLX4_PERM_ATOMIC = 1 << 14 | |
113 | }; | |
114 | ||
115 | enum { | |
116 | MLX4_OPCODE_NOP = 0x00, | |
117 | MLX4_OPCODE_SEND_INVAL = 0x01, | |
118 | MLX4_OPCODE_RDMA_WRITE = 0x08, | |
119 | MLX4_OPCODE_RDMA_WRITE_IMM = 0x09, | |
120 | MLX4_OPCODE_SEND = 0x0a, | |
121 | MLX4_OPCODE_SEND_IMM = 0x0b, | |
122 | MLX4_OPCODE_LSO = 0x0e, | |
123 | MLX4_OPCODE_RDMA_READ = 0x10, | |
124 | MLX4_OPCODE_ATOMIC_CS = 0x11, | |
125 | MLX4_OPCODE_ATOMIC_FA = 0x12, | |
126 | MLX4_OPCODE_MASKED_ATOMIC_CS = 0x14, | |
127 | MLX4_OPCODE_MASKED_ATOMIC_FA = 0x15, | |
128 | MLX4_OPCODE_BIND_MW = 0x18, | |
129 | MLX4_OPCODE_FMR = 0x19, | |
130 | MLX4_OPCODE_LOCAL_INVAL = 0x1b, | |
131 | MLX4_OPCODE_CONFIG_CMD = 0x1f, | |
132 | ||
133 | MLX4_RECV_OPCODE_RDMA_WRITE_IMM = 0x00, | |
134 | MLX4_RECV_OPCODE_SEND = 0x01, | |
135 | MLX4_RECV_OPCODE_SEND_IMM = 0x02, | |
136 | MLX4_RECV_OPCODE_SEND_INVAL = 0x03, | |
137 | ||
138 | MLX4_CQE_OPCODE_ERROR = 0x1e, | |
139 | MLX4_CQE_OPCODE_RESIZE = 0x16, | |
140 | }; | |
141 | ||
142 | enum { | |
143 | MLX4_STAT_RATE_OFFSET = 5 | |
144 | }; | |
145 | ||
146 | enum { | |
147 | MLX4_MTT_FLAG_PRESENT = 1 | |
148 | }; | |
149 | ||
150 | enum mlx4_qp_region { | |
151 | MLX4_QP_REGION_FW = 0, | |
152 | MLX4_QP_REGION_ETH_ADDR, | |
153 | MLX4_QP_REGION_FC_ADDR, | |
154 | MLX4_QP_REGION_FC_EXCH, | |
155 | MLX4_NUM_QP_REGION | |
156 | }; | |
157 | ||
158 | enum mlx4_port_type { | |
159 | MLX4_PORT_TYPE_IB = 1, | |
160 | MLX4_PORT_TYPE_ETH = 2, | |
161 | MLX4_PORT_TYPE_AUTO = 3 | |
162 | }; | |
163 | ||
164 | enum mlx4_special_vlan_idx { | |
165 | MLX4_NO_VLAN_IDX = 0, | |
166 | MLX4_VLAN_MISS_IDX, | |
167 | MLX4_VLAN_REGULAR | |
168 | }; | |
169 | ||
170 | enum { | |
171 | MLX4_NUM_FEXCH = 64 * 1024, | |
172 | }; | |
173 | ||
174 | static inline u64 mlx4_fw_ver(u64 major, u64 minor, u64 subminor) | |
175 | { | |
176 | return (major << 32) | (minor << 16) | subminor; | |
177 | } | |
178 | ||
179 | struct mlx4_caps { | |
180 | u64 fw_ver; | |
181 | int num_ports; | |
182 | int vl_cap[MLX4_MAX_PORTS + 1]; | |
183 | int ib_mtu_cap[MLX4_MAX_PORTS + 1]; | |
184 | __be32 ib_port_def_cap[MLX4_MAX_PORTS + 1]; | |
185 | u64 def_mac[MLX4_MAX_PORTS + 1]; | |
186 | int eth_mtu_cap[MLX4_MAX_PORTS + 1]; | |
187 | int gid_table_len[MLX4_MAX_PORTS + 1]; | |
188 | int pkey_table_len[MLX4_MAX_PORTS + 1]; | |
189 | int local_ca_ack_delay; | |
190 | int num_uars; | |
191 | int bf_reg_size; | |
192 | int bf_regs_per_page; | |
193 | int max_sq_sg; | |
194 | int max_rq_sg; | |
195 | int num_qps; | |
196 | int max_wqes; | |
197 | int max_sq_desc_sz; | |
198 | int max_rq_desc_sz; | |
199 | int max_qp_init_rdma; | |
200 | int max_qp_dest_rdma; | |
201 | int sqp_start; | |
202 | int num_srqs; | |
203 | int max_srq_wqes; | |
204 | int max_srq_sge; | |
205 | int reserved_srqs; | |
206 | int num_cqs; | |
207 | int max_cqes; | |
208 | int reserved_cqs; | |
209 | int num_eqs; | |
210 | int reserved_eqs; | |
211 | int num_comp_vectors; | |
212 | int num_mpts; | |
213 | int num_mtt_segs; | |
214 | int mtts_per_seg; | |
215 | int fmr_reserved_mtts; | |
216 | int reserved_mtts; | |
217 | int reserved_mrws; | |
218 | int reserved_uars; | |
219 | int num_mgms; | |
220 | int num_amgms; | |
221 | int reserved_mcgs; | |
222 | int num_qp_per_mgm; | |
223 | int num_pds; | |
224 | int reserved_pds; | |
225 | int mtt_entry_sz; | |
226 | u32 max_msg_sz; | |
227 | u32 page_size_cap; | |
228 | u32 flags; | |
229 | u32 bmme_flags; | |
230 | u32 reserved_lkey; | |
231 | u16 stat_rate_support; | |
232 | u8 port_width_cap[MLX4_MAX_PORTS + 1]; | |
233 | int max_gso_sz; | |
234 | int reserved_qps_cnt[MLX4_NUM_QP_REGION]; | |
235 | int reserved_qps; | |
236 | int reserved_qps_base[MLX4_NUM_QP_REGION]; | |
237 | int log_num_macs; | |
238 | int log_num_vlans; | |
239 | int log_num_prios; | |
240 | enum mlx4_port_type port_type[MLX4_MAX_PORTS + 1]; | |
241 | u8 supported_type[MLX4_MAX_PORTS + 1]; | |
242 | u32 port_mask; | |
243 | enum mlx4_port_type possible_type[MLX4_MAX_PORTS + 1]; | |
244 | }; | |
245 | ||
246 | struct mlx4_buf_list { | |
247 | void *buf; | |
248 | dma_addr_t map; | |
249 | }; | |
250 | ||
251 | struct mlx4_buf { | |
252 | struct mlx4_buf_list direct; | |
253 | struct mlx4_buf_list *page_list; | |
254 | int nbufs; | |
255 | int npages; | |
256 | int page_shift; | |
257 | }; | |
258 | ||
259 | struct mlx4_mtt { | |
260 | u32 first_seg; | |
261 | int order; | |
262 | int page_shift; | |
263 | }; | |
264 | ||
265 | enum { | |
266 | MLX4_DB_PER_PAGE = PAGE_SIZE / 4 | |
267 | }; | |
268 | ||
269 | struct mlx4_db_pgdir { | |
270 | struct list_head list; | |
271 | DECLARE_BITMAP(order0, MLX4_DB_PER_PAGE); | |
272 | DECLARE_BITMAP(order1, MLX4_DB_PER_PAGE / 2); | |
273 | unsigned long *bits[2]; | |
274 | __be32 *db_page; | |
275 | dma_addr_t db_dma; | |
276 | }; | |
277 | ||
278 | struct mlx4_ib_user_db_page; | |
279 | ||
280 | struct mlx4_db { | |
281 | __be32 *db; | |
282 | union { | |
283 | struct mlx4_db_pgdir *pgdir; | |
284 | struct mlx4_ib_user_db_page *user_page; | |
285 | } u; | |
286 | dma_addr_t dma; | |
287 | int index; | |
288 | int order; | |
289 | }; | |
290 | ||
291 | struct mlx4_hwq_resources { | |
292 | struct mlx4_db db; | |
293 | struct mlx4_mtt mtt; | |
294 | struct mlx4_buf buf; | |
295 | }; | |
296 | ||
297 | struct mlx4_mr { | |
298 | struct mlx4_mtt mtt; | |
299 | u64 iova; | |
300 | u64 size; | |
301 | u32 key; | |
302 | u32 pd; | |
303 | u32 access; | |
304 | int enabled; | |
305 | }; | |
306 | ||
307 | struct mlx4_fmr { | |
308 | struct mlx4_mr mr; | |
309 | struct mlx4_mpt_entry *mpt; | |
310 | __be64 *mtts; | |
311 | dma_addr_t dma_handle; | |
312 | int max_pages; | |
313 | int max_maps; | |
314 | int maps; | |
315 | u8 page_shift; | |
316 | }; | |
317 | ||
318 | struct mlx4_uar { | |
319 | unsigned long pfn; | |
320 | int index; | |
321 | }; | |
322 | ||
323 | struct mlx4_cq { | |
324 | void (*comp) (struct mlx4_cq *); | |
325 | void (*event) (struct mlx4_cq *, enum mlx4_event); | |
326 | ||
327 | struct mlx4_uar *uar; | |
328 | ||
329 | u32 cons_index; | |
330 | ||
331 | __be32 *set_ci_db; | |
332 | __be32 *arm_db; | |
333 | int arm_sn; | |
334 | ||
335 | int cqn; | |
336 | unsigned vector; | |
337 | ||
338 | atomic_t refcount; | |
339 | struct completion free; | |
340 | }; | |
341 | ||
342 | struct mlx4_qp { | |
343 | void (*event) (struct mlx4_qp *, enum mlx4_event); | |
344 | ||
345 | int qpn; | |
346 | ||
347 | atomic_t refcount; | |
348 | struct completion free; | |
349 | }; | |
350 | ||
351 | struct mlx4_srq { | |
352 | void (*event) (struct mlx4_srq *, enum mlx4_event); | |
353 | ||
354 | int srqn; | |
355 | int max; | |
356 | int max_gs; | |
357 | int wqe_shift; | |
358 | ||
359 | atomic_t refcount; | |
360 | struct completion free; | |
361 | }; | |
362 | ||
363 | struct mlx4_av { | |
364 | __be32 port_pd; | |
365 | u8 reserved1; | |
366 | u8 g_slid; | |
367 | __be16 dlid; | |
368 | u8 reserved2; | |
369 | u8 gid_index; | |
370 | u8 stat_rate; | |
371 | u8 hop_limit; | |
372 | __be32 sl_tclass_flowlabel; | |
373 | u8 dgid[16]; | |
374 | }; | |
375 | ||
376 | struct mlx4_dev { | |
377 | struct pci_dev *pdev; | |
378 | unsigned long flags; | |
379 | struct mlx4_caps caps; | |
380 | struct radix_tree_root qp_table_tree; | |
381 | u32 rev_id; | |
382 | char board_id[MLX4_BOARD_ID_LEN]; | |
383 | }; | |
384 | ||
385 | struct mlx4_init_port_param { | |
386 | int set_guid0; | |
387 | int set_node_guid; | |
388 | int set_si_guid; | |
389 | u16 mtu; | |
390 | int port_width_cap; | |
391 | u16 vl_cap; | |
392 | u16 max_gid; | |
393 | u16 max_pkey; | |
394 | u64 guid0; | |
395 | u64 node_guid; | |
396 | u64 si_guid; | |
397 | }; | |
398 | ||
399 | #define mlx4_foreach_port(port, dev, type) \ | |
400 | for ((port) = 1; (port) <= (dev)->caps.num_ports; (port)++) \ | |
401 | if (((type) == MLX4_PORT_TYPE_IB ? (dev)->caps.port_mask : \ | |
402 | ~(dev)->caps.port_mask) & 1 << ((port) - 1)) | |
403 | ||
404 | int mlx4_buf_alloc(struct mlx4_dev *dev, int size, int max_direct, | |
405 | struct mlx4_buf *buf); | |
406 | void mlx4_buf_free(struct mlx4_dev *dev, int size, struct mlx4_buf *buf); | |
407 | static inline void *mlx4_buf_offset(struct mlx4_buf *buf, int offset) | |
408 | { | |
409 | if (BITS_PER_LONG == 64 || buf->nbufs == 1) | |
410 | return buf->direct.buf + offset; | |
411 | else | |
412 | return buf->page_list[offset >> PAGE_SHIFT].buf + | |
413 | (offset & (PAGE_SIZE - 1)); | |
414 | } | |
415 | ||
416 | int mlx4_pd_alloc(struct mlx4_dev *dev, u32 *pdn); | |
417 | void mlx4_pd_free(struct mlx4_dev *dev, u32 pdn); | |
418 | ||
419 | int mlx4_uar_alloc(struct mlx4_dev *dev, struct mlx4_uar *uar); | |
420 | void mlx4_uar_free(struct mlx4_dev *dev, struct mlx4_uar *uar); | |
421 | ||
422 | int mlx4_mtt_init(struct mlx4_dev *dev, int npages, int page_shift, | |
423 | struct mlx4_mtt *mtt); | |
424 | void mlx4_mtt_cleanup(struct mlx4_dev *dev, struct mlx4_mtt *mtt); | |
425 | u64 mlx4_mtt_addr(struct mlx4_dev *dev, struct mlx4_mtt *mtt); | |
426 | ||
427 | int mlx4_mr_alloc(struct mlx4_dev *dev, u32 pd, u64 iova, u64 size, u32 access, | |
428 | int npages, int page_shift, struct mlx4_mr *mr); | |
429 | void mlx4_mr_free(struct mlx4_dev *dev, struct mlx4_mr *mr); | |
430 | int mlx4_mr_enable(struct mlx4_dev *dev, struct mlx4_mr *mr); | |
431 | int mlx4_write_mtt(struct mlx4_dev *dev, struct mlx4_mtt *mtt, | |
432 | int start_index, int npages, u64 *page_list); | |
433 | int mlx4_buf_write_mtt(struct mlx4_dev *dev, struct mlx4_mtt *mtt, | |
434 | struct mlx4_buf *buf); | |
435 | ||
436 | int mlx4_db_alloc(struct mlx4_dev *dev, struct mlx4_db *db, int order); | |
437 | void mlx4_db_free(struct mlx4_dev *dev, struct mlx4_db *db); | |
438 | ||
439 | int mlx4_alloc_hwq_res(struct mlx4_dev *dev, struct mlx4_hwq_resources *wqres, | |
440 | int size, int max_direct); | |
441 | void mlx4_free_hwq_res(struct mlx4_dev *mdev, struct mlx4_hwq_resources *wqres, | |
442 | int size); | |
443 | ||
444 | int mlx4_cq_alloc(struct mlx4_dev *dev, int nent, struct mlx4_mtt *mtt, | |
445 | struct mlx4_uar *uar, u64 db_rec, struct mlx4_cq *cq, | |
446 | unsigned vector, int collapsed); | |
447 | void mlx4_cq_free(struct mlx4_dev *dev, struct mlx4_cq *cq); | |
448 | ||
449 | int mlx4_qp_reserve_range(struct mlx4_dev *dev, int cnt, int align, int *base); | |
450 | void mlx4_qp_release_range(struct mlx4_dev *dev, int base_qpn, int cnt); | |
451 | ||
452 | int mlx4_qp_alloc(struct mlx4_dev *dev, int qpn, struct mlx4_qp *qp); | |
453 | void mlx4_qp_free(struct mlx4_dev *dev, struct mlx4_qp *qp); | |
454 | ||
455 | int mlx4_srq_alloc(struct mlx4_dev *dev, u32 pdn, struct mlx4_mtt *mtt, | |
456 | u64 db_rec, struct mlx4_srq *srq); | |
457 | void mlx4_srq_free(struct mlx4_dev *dev, struct mlx4_srq *srq); | |
458 | int mlx4_srq_arm(struct mlx4_dev *dev, struct mlx4_srq *srq, int limit_watermark); | |
459 | int mlx4_srq_query(struct mlx4_dev *dev, struct mlx4_srq *srq, int *limit_watermark); | |
460 | ||
461 | int mlx4_INIT_PORT(struct mlx4_dev *dev, int port); | |
462 | int mlx4_CLOSE_PORT(struct mlx4_dev *dev, int port); | |
463 | ||
464 | int mlx4_multicast_attach(struct mlx4_dev *dev, struct mlx4_qp *qp, u8 gid[16], | |
465 | int block_mcast_loopback); | |
466 | int mlx4_multicast_detach(struct mlx4_dev *dev, struct mlx4_qp *qp, u8 gid[16]); | |
467 | ||
468 | int mlx4_register_mac(struct mlx4_dev *dev, u8 port, u64 mac, int *index); | |
469 | void mlx4_unregister_mac(struct mlx4_dev *dev, u8 port, int index); | |
470 | ||
471 | int mlx4_register_vlan(struct mlx4_dev *dev, u8 port, u16 vlan, int *index); | |
472 | void mlx4_unregister_vlan(struct mlx4_dev *dev, u8 port, int index); | |
473 | ||
474 | int mlx4_map_phys_fmr(struct mlx4_dev *dev, struct mlx4_fmr *fmr, u64 *page_list, | |
475 | int npages, u64 iova, u32 *lkey, u32 *rkey); | |
476 | int mlx4_fmr_alloc(struct mlx4_dev *dev, u32 pd, u32 access, int max_pages, | |
477 | int max_maps, u8 page_shift, struct mlx4_fmr *fmr); | |
478 | int mlx4_fmr_enable(struct mlx4_dev *dev, struct mlx4_fmr *fmr); | |
479 | void mlx4_fmr_unmap(struct mlx4_dev *dev, struct mlx4_fmr *fmr, | |
480 | u32 *lkey, u32 *rkey); | |
481 | int mlx4_fmr_free(struct mlx4_dev *dev, struct mlx4_fmr *fmr); | |
482 | int mlx4_SYNC_TPT(struct mlx4_dev *dev); | |
483 | ||
484 | #endif /* MLX4_DEVICE_H */ |