xref: /linux-6.15/include/linux/mlx4/device.h (revision bb66fc67)
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/if_ether.h>
37 #include <linux/pci.h>
38 #include <linux/completion.h>
39 #include <linux/radix-tree.h>
40 #include <linux/cpu_rmap.h>
41 
42 #include <linux/atomic.h>
43 
44 #include <linux/clocksource.h>
45 
46 #define MAX_MSIX_P_PORT		17
47 #define MAX_MSIX		64
48 #define MSIX_LEGACY_SZ		4
49 #define MIN_MSIX_P_PORT		5
50 
51 #define MLX4_ROCE_MAX_GIDS	128
52 #define MLX4_ROCE_PF_GIDS	16
53 
54 enum {
55 	MLX4_FLAG_MSI_X		= 1 << 0,
56 	MLX4_FLAG_OLD_PORT_CMDS	= 1 << 1,
57 	MLX4_FLAG_MASTER	= 1 << 2,
58 	MLX4_FLAG_SLAVE		= 1 << 3,
59 	MLX4_FLAG_SRIOV		= 1 << 4,
60 	MLX4_FLAG_OLD_REG_MAC	= 1 << 6,
61 };
62 
63 enum {
64 	MLX4_PORT_CAP_IS_SM	= 1 << 1,
65 	MLX4_PORT_CAP_DEV_MGMT_SUP = 1 << 19,
66 };
67 
68 enum {
69 	MLX4_MAX_PORTS		= 2,
70 	MLX4_MAX_PORT_PKEYS	= 128
71 };
72 
73 /* base qkey for use in sriov tunnel-qp/proxy-qp communication.
74  * These qkeys must not be allowed for general use. This is a 64k range,
75  * and to test for violation, we use the mask (protect against future chg).
76  */
77 #define MLX4_RESERVED_QKEY_BASE  (0xFFFF0000)
78 #define MLX4_RESERVED_QKEY_MASK  (0xFFFF0000)
79 
80 enum {
81 	MLX4_BOARD_ID_LEN = 64
82 };
83 
84 enum {
85 	MLX4_MAX_NUM_PF		= 16,
86 	MLX4_MAX_NUM_VF		= 64,
87 	MLX4_MAX_NUM_VF_P_PORT  = 64,
88 	MLX4_MFUNC_MAX		= 80,
89 	MLX4_MAX_EQ_NUM		= 1024,
90 	MLX4_MFUNC_EQ_NUM	= 4,
91 	MLX4_MFUNC_MAX_EQES     = 8,
92 	MLX4_MFUNC_EQE_MASK     = (MLX4_MFUNC_MAX_EQES - 1)
93 };
94 
95 /* Driver supports 3 diffrent device methods to manage traffic steering:
96  *	-device managed - High level API for ib and eth flow steering. FW is
97  *			  managing flow steering tables.
98  *	- B0 steering mode - Common low level API for ib and (if supported) eth.
99  *	- A0 steering mode - Limited low level API for eth. In case of IB,
100  *			     B0 mode is in use.
101  */
102 enum {
103 	MLX4_STEERING_MODE_A0,
104 	MLX4_STEERING_MODE_B0,
105 	MLX4_STEERING_MODE_DEVICE_MANAGED
106 };
107 
108 static inline const char *mlx4_steering_mode_str(int steering_mode)
109 {
110 	switch (steering_mode) {
111 	case MLX4_STEERING_MODE_A0:
112 		return "A0 steering";
113 
114 	case MLX4_STEERING_MODE_B0:
115 		return "B0 steering";
116 
117 	case MLX4_STEERING_MODE_DEVICE_MANAGED:
118 		return "Device managed flow steering";
119 
120 	default:
121 		return "Unrecognize steering mode";
122 	}
123 }
124 
125 enum {
126 	MLX4_TUNNEL_OFFLOAD_MODE_NONE,
127 	MLX4_TUNNEL_OFFLOAD_MODE_VXLAN
128 };
129 
130 enum {
131 	MLX4_DEV_CAP_FLAG_RC		= 1LL <<  0,
132 	MLX4_DEV_CAP_FLAG_UC		= 1LL <<  1,
133 	MLX4_DEV_CAP_FLAG_UD		= 1LL <<  2,
134 	MLX4_DEV_CAP_FLAG_XRC		= 1LL <<  3,
135 	MLX4_DEV_CAP_FLAG_SRQ		= 1LL <<  6,
136 	MLX4_DEV_CAP_FLAG_IPOIB_CSUM	= 1LL <<  7,
137 	MLX4_DEV_CAP_FLAG_BAD_PKEY_CNTR	= 1LL <<  8,
138 	MLX4_DEV_CAP_FLAG_BAD_QKEY_CNTR	= 1LL <<  9,
139 	MLX4_DEV_CAP_FLAG_DPDP		= 1LL << 12,
140 	MLX4_DEV_CAP_FLAG_BLH		= 1LL << 15,
141 	MLX4_DEV_CAP_FLAG_MEM_WINDOW	= 1LL << 16,
142 	MLX4_DEV_CAP_FLAG_APM		= 1LL << 17,
143 	MLX4_DEV_CAP_FLAG_ATOMIC	= 1LL << 18,
144 	MLX4_DEV_CAP_FLAG_RAW_MCAST	= 1LL << 19,
145 	MLX4_DEV_CAP_FLAG_UD_AV_PORT	= 1LL << 20,
146 	MLX4_DEV_CAP_FLAG_UD_MCAST	= 1LL << 21,
147 	MLX4_DEV_CAP_FLAG_IBOE		= 1LL << 30,
148 	MLX4_DEV_CAP_FLAG_UC_LOOPBACK	= 1LL << 32,
149 	MLX4_DEV_CAP_FLAG_FCS_KEEP	= 1LL << 34,
150 	MLX4_DEV_CAP_FLAG_WOL_PORT1	= 1LL << 37,
151 	MLX4_DEV_CAP_FLAG_WOL_PORT2	= 1LL << 38,
152 	MLX4_DEV_CAP_FLAG_UDP_RSS	= 1LL << 40,
153 	MLX4_DEV_CAP_FLAG_VEP_UC_STEER	= 1LL << 41,
154 	MLX4_DEV_CAP_FLAG_VEP_MC_STEER	= 1LL << 42,
155 	MLX4_DEV_CAP_FLAG_COUNTERS	= 1LL << 48,
156 	MLX4_DEV_CAP_FLAG_SET_ETH_SCHED = 1LL << 53,
157 	MLX4_DEV_CAP_FLAG_SENSE_SUPPORT	= 1LL << 55,
158 	MLX4_DEV_CAP_FLAG_PORT_MNG_CHG_EV = 1LL << 59,
159 	MLX4_DEV_CAP_FLAG_64B_EQE	= 1LL << 61,
160 	MLX4_DEV_CAP_FLAG_64B_CQE	= 1LL << 62
161 };
162 
163 enum {
164 	MLX4_DEV_CAP_FLAG2_RSS			= 1LL <<  0,
165 	MLX4_DEV_CAP_FLAG2_RSS_TOP		= 1LL <<  1,
166 	MLX4_DEV_CAP_FLAG2_RSS_XOR		= 1LL <<  2,
167 	MLX4_DEV_CAP_FLAG2_FS_EN		= 1LL <<  3,
168 	MLX4_DEV_CAP_FLAG2_REASSIGN_MAC_EN	= 1LL <<  4,
169 	MLX4_DEV_CAP_FLAG2_TS			= 1LL <<  5,
170 	MLX4_DEV_CAP_FLAG2_VLAN_CONTROL		= 1LL <<  6,
171 	MLX4_DEV_CAP_FLAG2_FSM			= 1LL <<  7,
172 	MLX4_DEV_CAP_FLAG2_UPDATE_QP		= 1LL <<  8,
173 	MLX4_DEV_CAP_FLAG2_DMFS_IPOIB		= 1LL <<  9,
174 	MLX4_DEV_CAP_FLAG2_VXLAN_OFFLOADS	= 1LL <<  10,
175 };
176 
177 enum {
178 	MLX4_DEV_CAP_64B_EQE_ENABLED	= 1LL << 0,
179 	MLX4_DEV_CAP_64B_CQE_ENABLED	= 1LL << 1
180 };
181 
182 enum {
183 	MLX4_USER_DEV_CAP_64B_CQE	= 1L << 0
184 };
185 
186 enum {
187 	MLX4_FUNC_CAP_64B_EQE_CQE	= 1L << 0
188 };
189 
190 
191 #define MLX4_ATTR_EXTENDED_PORT_INFO	cpu_to_be16(0xff90)
192 
193 enum {
194 	MLX4_BMME_FLAG_WIN_TYPE_2B	= 1 <<  1,
195 	MLX4_BMME_FLAG_LOCAL_INV	= 1 <<  6,
196 	MLX4_BMME_FLAG_REMOTE_INV	= 1 <<  7,
197 	MLX4_BMME_FLAG_TYPE_2_WIN	= 1 <<  9,
198 	MLX4_BMME_FLAG_RESERVED_LKEY	= 1 << 10,
199 	MLX4_BMME_FLAG_FAST_REG_WR	= 1 << 11,
200 };
201 
202 enum mlx4_event {
203 	MLX4_EVENT_TYPE_COMP		   = 0x00,
204 	MLX4_EVENT_TYPE_PATH_MIG	   = 0x01,
205 	MLX4_EVENT_TYPE_COMM_EST	   = 0x02,
206 	MLX4_EVENT_TYPE_SQ_DRAINED	   = 0x03,
207 	MLX4_EVENT_TYPE_SRQ_QP_LAST_WQE	   = 0x13,
208 	MLX4_EVENT_TYPE_SRQ_LIMIT	   = 0x14,
209 	MLX4_EVENT_TYPE_CQ_ERROR	   = 0x04,
210 	MLX4_EVENT_TYPE_WQ_CATAS_ERROR	   = 0x05,
211 	MLX4_EVENT_TYPE_EEC_CATAS_ERROR	   = 0x06,
212 	MLX4_EVENT_TYPE_PATH_MIG_FAILED	   = 0x07,
213 	MLX4_EVENT_TYPE_WQ_INVAL_REQ_ERROR = 0x10,
214 	MLX4_EVENT_TYPE_WQ_ACCESS_ERROR	   = 0x11,
215 	MLX4_EVENT_TYPE_SRQ_CATAS_ERROR	   = 0x12,
216 	MLX4_EVENT_TYPE_LOCAL_CATAS_ERROR  = 0x08,
217 	MLX4_EVENT_TYPE_PORT_CHANGE	   = 0x09,
218 	MLX4_EVENT_TYPE_EQ_OVERFLOW	   = 0x0f,
219 	MLX4_EVENT_TYPE_ECC_DETECT	   = 0x0e,
220 	MLX4_EVENT_TYPE_CMD		   = 0x0a,
221 	MLX4_EVENT_TYPE_VEP_UPDATE	   = 0x19,
222 	MLX4_EVENT_TYPE_COMM_CHANNEL	   = 0x18,
223 	MLX4_EVENT_TYPE_OP_REQUIRED	   = 0x1a,
224 	MLX4_EVENT_TYPE_FATAL_WARNING	   = 0x1b,
225 	MLX4_EVENT_TYPE_FLR_EVENT	   = 0x1c,
226 	MLX4_EVENT_TYPE_PORT_MNG_CHG_EVENT = 0x1d,
227 	MLX4_EVENT_TYPE_NONE		   = 0xff,
228 };
229 
230 enum {
231 	MLX4_PORT_CHANGE_SUBTYPE_DOWN	= 1,
232 	MLX4_PORT_CHANGE_SUBTYPE_ACTIVE	= 4
233 };
234 
235 enum {
236 	MLX4_FATAL_WARNING_SUBTYPE_WARMING = 0,
237 };
238 
239 enum slave_port_state {
240 	SLAVE_PORT_DOWN = 0,
241 	SLAVE_PENDING_UP,
242 	SLAVE_PORT_UP,
243 };
244 
245 enum slave_port_gen_event {
246 	SLAVE_PORT_GEN_EVENT_DOWN = 0,
247 	SLAVE_PORT_GEN_EVENT_UP,
248 	SLAVE_PORT_GEN_EVENT_NONE,
249 };
250 
251 enum slave_port_state_event {
252 	MLX4_PORT_STATE_DEV_EVENT_PORT_DOWN,
253 	MLX4_PORT_STATE_DEV_EVENT_PORT_UP,
254 	MLX4_PORT_STATE_IB_PORT_STATE_EVENT_GID_VALID,
255 	MLX4_PORT_STATE_IB_EVENT_GID_INVALID,
256 };
257 
258 enum {
259 	MLX4_PERM_LOCAL_READ	= 1 << 10,
260 	MLX4_PERM_LOCAL_WRITE	= 1 << 11,
261 	MLX4_PERM_REMOTE_READ	= 1 << 12,
262 	MLX4_PERM_REMOTE_WRITE	= 1 << 13,
263 	MLX4_PERM_ATOMIC	= 1 << 14,
264 	MLX4_PERM_BIND_MW	= 1 << 15,
265 };
266 
267 enum {
268 	MLX4_OPCODE_NOP			= 0x00,
269 	MLX4_OPCODE_SEND_INVAL		= 0x01,
270 	MLX4_OPCODE_RDMA_WRITE		= 0x08,
271 	MLX4_OPCODE_RDMA_WRITE_IMM	= 0x09,
272 	MLX4_OPCODE_SEND		= 0x0a,
273 	MLX4_OPCODE_SEND_IMM		= 0x0b,
274 	MLX4_OPCODE_LSO			= 0x0e,
275 	MLX4_OPCODE_RDMA_READ		= 0x10,
276 	MLX4_OPCODE_ATOMIC_CS		= 0x11,
277 	MLX4_OPCODE_ATOMIC_FA		= 0x12,
278 	MLX4_OPCODE_MASKED_ATOMIC_CS	= 0x14,
279 	MLX4_OPCODE_MASKED_ATOMIC_FA	= 0x15,
280 	MLX4_OPCODE_BIND_MW		= 0x18,
281 	MLX4_OPCODE_FMR			= 0x19,
282 	MLX4_OPCODE_LOCAL_INVAL		= 0x1b,
283 	MLX4_OPCODE_CONFIG_CMD		= 0x1f,
284 
285 	MLX4_RECV_OPCODE_RDMA_WRITE_IMM	= 0x00,
286 	MLX4_RECV_OPCODE_SEND		= 0x01,
287 	MLX4_RECV_OPCODE_SEND_IMM	= 0x02,
288 	MLX4_RECV_OPCODE_SEND_INVAL	= 0x03,
289 
290 	MLX4_CQE_OPCODE_ERROR		= 0x1e,
291 	MLX4_CQE_OPCODE_RESIZE		= 0x16,
292 };
293 
294 enum {
295 	MLX4_STAT_RATE_OFFSET	= 5
296 };
297 
298 enum mlx4_protocol {
299 	MLX4_PROT_IB_IPV6 = 0,
300 	MLX4_PROT_ETH,
301 	MLX4_PROT_IB_IPV4,
302 	MLX4_PROT_FCOE
303 };
304 
305 enum {
306 	MLX4_MTT_FLAG_PRESENT		= 1
307 };
308 
309 enum mlx4_qp_region {
310 	MLX4_QP_REGION_FW = 0,
311 	MLX4_QP_REGION_ETH_ADDR,
312 	MLX4_QP_REGION_FC_ADDR,
313 	MLX4_QP_REGION_FC_EXCH,
314 	MLX4_NUM_QP_REGION
315 };
316 
317 enum mlx4_port_type {
318 	MLX4_PORT_TYPE_NONE	= 0,
319 	MLX4_PORT_TYPE_IB	= 1,
320 	MLX4_PORT_TYPE_ETH	= 2,
321 	MLX4_PORT_TYPE_AUTO	= 3
322 };
323 
324 enum mlx4_special_vlan_idx {
325 	MLX4_NO_VLAN_IDX        = 0,
326 	MLX4_VLAN_MISS_IDX,
327 	MLX4_VLAN_REGULAR
328 };
329 
330 enum mlx4_steer_type {
331 	MLX4_MC_STEER = 0,
332 	MLX4_UC_STEER,
333 	MLX4_NUM_STEERS
334 };
335 
336 enum {
337 	MLX4_NUM_FEXCH          = 64 * 1024,
338 };
339 
340 enum {
341 	MLX4_MAX_FAST_REG_PAGES = 511,
342 };
343 
344 enum {
345 	MLX4_DEV_PMC_SUBTYPE_GUID_INFO	 = 0x14,
346 	MLX4_DEV_PMC_SUBTYPE_PORT_INFO	 = 0x15,
347 	MLX4_DEV_PMC_SUBTYPE_PKEY_TABLE	 = 0x16,
348 };
349 
350 /* Port mgmt change event handling */
351 enum {
352 	MLX4_EQ_PORT_INFO_MSTR_SM_LID_CHANGE_MASK	= 1 << 0,
353 	MLX4_EQ_PORT_INFO_GID_PFX_CHANGE_MASK		= 1 << 1,
354 	MLX4_EQ_PORT_INFO_LID_CHANGE_MASK		= 1 << 2,
355 	MLX4_EQ_PORT_INFO_CLIENT_REREG_MASK		= 1 << 3,
356 	MLX4_EQ_PORT_INFO_MSTR_SM_SL_CHANGE_MASK	= 1 << 4,
357 };
358 
359 #define MSTR_SM_CHANGE_MASK (MLX4_EQ_PORT_INFO_MSTR_SM_SL_CHANGE_MASK | \
360 			     MLX4_EQ_PORT_INFO_MSTR_SM_LID_CHANGE_MASK)
361 
362 static inline u64 mlx4_fw_ver(u64 major, u64 minor, u64 subminor)
363 {
364 	return (major << 32) | (minor << 16) | subminor;
365 }
366 
367 struct mlx4_phys_caps {
368 	u32			gid_phys_table_len[MLX4_MAX_PORTS + 1];
369 	u32			pkey_phys_table_len[MLX4_MAX_PORTS + 1];
370 	u32			num_phys_eqs;
371 	u32			base_sqpn;
372 	u32			base_proxy_sqpn;
373 	u32			base_tunnel_sqpn;
374 };
375 
376 struct mlx4_caps {
377 	u64			fw_ver;
378 	u32			function;
379 	int			num_ports;
380 	int			vl_cap[MLX4_MAX_PORTS + 1];
381 	int			ib_mtu_cap[MLX4_MAX_PORTS + 1];
382 	__be32			ib_port_def_cap[MLX4_MAX_PORTS + 1];
383 	u64			def_mac[MLX4_MAX_PORTS + 1];
384 	int			eth_mtu_cap[MLX4_MAX_PORTS + 1];
385 	int			gid_table_len[MLX4_MAX_PORTS + 1];
386 	int			pkey_table_len[MLX4_MAX_PORTS + 1];
387 	int			trans_type[MLX4_MAX_PORTS + 1];
388 	int			vendor_oui[MLX4_MAX_PORTS + 1];
389 	int			wavelength[MLX4_MAX_PORTS + 1];
390 	u64			trans_code[MLX4_MAX_PORTS + 1];
391 	int			local_ca_ack_delay;
392 	int			num_uars;
393 	u32			uar_page_size;
394 	int			bf_reg_size;
395 	int			bf_regs_per_page;
396 	int			max_sq_sg;
397 	int			max_rq_sg;
398 	int			num_qps;
399 	int			max_wqes;
400 	int			max_sq_desc_sz;
401 	int			max_rq_desc_sz;
402 	int			max_qp_init_rdma;
403 	int			max_qp_dest_rdma;
404 	u32			*qp0_proxy;
405 	u32			*qp1_proxy;
406 	u32			*qp0_tunnel;
407 	u32			*qp1_tunnel;
408 	int			num_srqs;
409 	int			max_srq_wqes;
410 	int			max_srq_sge;
411 	int			reserved_srqs;
412 	int			num_cqs;
413 	int			max_cqes;
414 	int			reserved_cqs;
415 	int			num_eqs;
416 	int			reserved_eqs;
417 	int			num_comp_vectors;
418 	int			comp_pool;
419 	int			num_mpts;
420 	int			max_fmr_maps;
421 	int			num_mtts;
422 	int			fmr_reserved_mtts;
423 	int			reserved_mtts;
424 	int			reserved_mrws;
425 	int			reserved_uars;
426 	int			num_mgms;
427 	int			num_amgms;
428 	int			reserved_mcgs;
429 	int			num_qp_per_mgm;
430 	int			steering_mode;
431 	int			fs_log_max_ucast_qp_range_size;
432 	int			num_pds;
433 	int			reserved_pds;
434 	int			max_xrcds;
435 	int			reserved_xrcds;
436 	int			mtt_entry_sz;
437 	u32			max_msg_sz;
438 	u32			page_size_cap;
439 	u64			flags;
440 	u64			flags2;
441 	u32			bmme_flags;
442 	u32			reserved_lkey;
443 	u16			stat_rate_support;
444 	u8			port_width_cap[MLX4_MAX_PORTS + 1];
445 	int			max_gso_sz;
446 	int			max_rss_tbl_sz;
447 	int                     reserved_qps_cnt[MLX4_NUM_QP_REGION];
448 	int			reserved_qps;
449 	int                     reserved_qps_base[MLX4_NUM_QP_REGION];
450 	int                     log_num_macs;
451 	int                     log_num_vlans;
452 	int                     log_num_prios;
453 	enum mlx4_port_type	port_type[MLX4_MAX_PORTS + 1];
454 	u8			supported_type[MLX4_MAX_PORTS + 1];
455 	u8                      suggested_type[MLX4_MAX_PORTS + 1];
456 	u8                      default_sense[MLX4_MAX_PORTS + 1];
457 	u32			port_mask[MLX4_MAX_PORTS + 1];
458 	enum mlx4_port_type	possible_type[MLX4_MAX_PORTS + 1];
459 	u32			max_counters;
460 	u8			port_ib_mtu[MLX4_MAX_PORTS + 1];
461 	u16			sqp_demux;
462 	u32			eqe_size;
463 	u32			cqe_size;
464 	u8			eqe_factor;
465 	u32			userspace_caps; /* userspace must be aware of these */
466 	u32			function_caps;  /* VFs must be aware of these */
467 	u16			hca_core_clock;
468 	u64			phys_port_id[MLX4_MAX_PORTS + 1];
469 	int			tunnel_offload_mode;
470 };
471 
472 struct mlx4_buf_list {
473 	void		       *buf;
474 	dma_addr_t		map;
475 };
476 
477 struct mlx4_buf {
478 	struct mlx4_buf_list	direct;
479 	struct mlx4_buf_list   *page_list;
480 	int			nbufs;
481 	int			npages;
482 	int			page_shift;
483 };
484 
485 struct mlx4_mtt {
486 	u32			offset;
487 	int			order;
488 	int			page_shift;
489 };
490 
491 enum {
492 	MLX4_DB_PER_PAGE = PAGE_SIZE / 4
493 };
494 
495 struct mlx4_db_pgdir {
496 	struct list_head	list;
497 	DECLARE_BITMAP(order0, MLX4_DB_PER_PAGE);
498 	DECLARE_BITMAP(order1, MLX4_DB_PER_PAGE / 2);
499 	unsigned long	       *bits[2];
500 	__be32		       *db_page;
501 	dma_addr_t		db_dma;
502 };
503 
504 struct mlx4_ib_user_db_page;
505 
506 struct mlx4_db {
507 	__be32			*db;
508 	union {
509 		struct mlx4_db_pgdir		*pgdir;
510 		struct mlx4_ib_user_db_page	*user_page;
511 	}			u;
512 	dma_addr_t		dma;
513 	int			index;
514 	int			order;
515 };
516 
517 struct mlx4_hwq_resources {
518 	struct mlx4_db		db;
519 	struct mlx4_mtt		mtt;
520 	struct mlx4_buf		buf;
521 };
522 
523 struct mlx4_mr {
524 	struct mlx4_mtt		mtt;
525 	u64			iova;
526 	u64			size;
527 	u32			key;
528 	u32			pd;
529 	u32			access;
530 	int			enabled;
531 };
532 
533 enum mlx4_mw_type {
534 	MLX4_MW_TYPE_1 = 1,
535 	MLX4_MW_TYPE_2 = 2,
536 };
537 
538 struct mlx4_mw {
539 	u32			key;
540 	u32			pd;
541 	enum mlx4_mw_type	type;
542 	int			enabled;
543 };
544 
545 struct mlx4_fmr {
546 	struct mlx4_mr		mr;
547 	struct mlx4_mpt_entry  *mpt;
548 	__be64		       *mtts;
549 	dma_addr_t		dma_handle;
550 	int			max_pages;
551 	int			max_maps;
552 	int			maps;
553 	u8			page_shift;
554 };
555 
556 struct mlx4_uar {
557 	unsigned long		pfn;
558 	int			index;
559 	struct list_head	bf_list;
560 	unsigned		free_bf_bmap;
561 	void __iomem	       *map;
562 	void __iomem	       *bf_map;
563 };
564 
565 struct mlx4_bf {
566 	unsigned long		offset;
567 	int			buf_size;
568 	struct mlx4_uar	       *uar;
569 	void __iomem	       *reg;
570 };
571 
572 struct mlx4_cq {
573 	void (*comp)		(struct mlx4_cq *);
574 	void (*event)		(struct mlx4_cq *, enum mlx4_event);
575 
576 	struct mlx4_uar	       *uar;
577 
578 	u32			cons_index;
579 
580 	__be32		       *set_ci_db;
581 	__be32		       *arm_db;
582 	int			arm_sn;
583 
584 	int			cqn;
585 	unsigned		vector;
586 
587 	atomic_t		refcount;
588 	struct completion	free;
589 };
590 
591 struct mlx4_qp {
592 	void (*event)		(struct mlx4_qp *, enum mlx4_event);
593 
594 	int			qpn;
595 
596 	atomic_t		refcount;
597 	struct completion	free;
598 };
599 
600 struct mlx4_srq {
601 	void (*event)		(struct mlx4_srq *, enum mlx4_event);
602 
603 	int			srqn;
604 	int			max;
605 	int			max_gs;
606 	int			wqe_shift;
607 
608 	atomic_t		refcount;
609 	struct completion	free;
610 };
611 
612 struct mlx4_av {
613 	__be32			port_pd;
614 	u8			reserved1;
615 	u8			g_slid;
616 	__be16			dlid;
617 	u8			reserved2;
618 	u8			gid_index;
619 	u8			stat_rate;
620 	u8			hop_limit;
621 	__be32			sl_tclass_flowlabel;
622 	u8			dgid[16];
623 };
624 
625 struct mlx4_eth_av {
626 	__be32		port_pd;
627 	u8		reserved1;
628 	u8		smac_idx;
629 	u16		reserved2;
630 	u8		reserved3;
631 	u8		gid_index;
632 	u8		stat_rate;
633 	u8		hop_limit;
634 	__be32		sl_tclass_flowlabel;
635 	u8		dgid[16];
636 	u8		s_mac[6];
637 	u8		reserved4[2];
638 	__be16		vlan;
639 	u8		mac[ETH_ALEN];
640 };
641 
642 union mlx4_ext_av {
643 	struct mlx4_av		ib;
644 	struct mlx4_eth_av	eth;
645 };
646 
647 struct mlx4_counter {
648 	u8	reserved1[3];
649 	u8	counter_mode;
650 	__be32	num_ifc;
651 	u32	reserved2[2];
652 	__be64	rx_frames;
653 	__be64	rx_bytes;
654 	__be64	tx_frames;
655 	__be64	tx_bytes;
656 };
657 
658 struct mlx4_quotas {
659 	int qp;
660 	int cq;
661 	int srq;
662 	int mpt;
663 	int mtt;
664 	int counter;
665 	int xrcd;
666 };
667 
668 struct mlx4_vf_dev {
669 	u8			min_port;
670 	u8			n_ports;
671 };
672 
673 struct mlx4_dev {
674 	struct pci_dev	       *pdev;
675 	unsigned long		flags;
676 	unsigned long		num_slaves;
677 	struct mlx4_caps	caps;
678 	struct mlx4_phys_caps	phys_caps;
679 	struct mlx4_quotas	quotas;
680 	struct radix_tree_root	qp_table_tree;
681 	u8			rev_id;
682 	char			board_id[MLX4_BOARD_ID_LEN];
683 	int			num_vfs;
684 	int			numa_node;
685 	int			oper_log_mgm_entry_size;
686 	u64			regid_promisc_array[MLX4_MAX_PORTS + 1];
687 	u64			regid_allmulti_array[MLX4_MAX_PORTS + 1];
688 	struct mlx4_vf_dev     *dev_vfs;
689 };
690 
691 struct mlx4_eqe {
692 	u8			reserved1;
693 	u8			type;
694 	u8			reserved2;
695 	u8			subtype;
696 	union {
697 		u32		raw[6];
698 		struct {
699 			__be32	cqn;
700 		} __packed comp;
701 		struct {
702 			u16	reserved1;
703 			__be16	token;
704 			u32	reserved2;
705 			u8	reserved3[3];
706 			u8	status;
707 			__be64	out_param;
708 		} __packed cmd;
709 		struct {
710 			__be32	qpn;
711 		} __packed qp;
712 		struct {
713 			__be32	srqn;
714 		} __packed srq;
715 		struct {
716 			__be32	cqn;
717 			u32	reserved1;
718 			u8	reserved2[3];
719 			u8	syndrome;
720 		} __packed cq_err;
721 		struct {
722 			u32	reserved1[2];
723 			__be32	port;
724 		} __packed port_change;
725 		struct {
726 			#define COMM_CHANNEL_BIT_ARRAY_SIZE	4
727 			u32 reserved;
728 			u32 bit_vec[COMM_CHANNEL_BIT_ARRAY_SIZE];
729 		} __packed comm_channel_arm;
730 		struct {
731 			u8	port;
732 			u8	reserved[3];
733 			__be64	mac;
734 		} __packed mac_update;
735 		struct {
736 			__be32	slave_id;
737 		} __packed flr_event;
738 		struct {
739 			__be16  current_temperature;
740 			__be16  warning_threshold;
741 		} __packed warming;
742 		struct {
743 			u8 reserved[3];
744 			u8 port;
745 			union {
746 				struct {
747 					__be16 mstr_sm_lid;
748 					__be16 port_lid;
749 					__be32 changed_attr;
750 					u8 reserved[3];
751 					u8 mstr_sm_sl;
752 					__be64 gid_prefix;
753 				} __packed port_info;
754 				struct {
755 					__be32 block_ptr;
756 					__be32 tbl_entries_mask;
757 				} __packed tbl_change_info;
758 			} params;
759 		} __packed port_mgmt_change;
760 	}			event;
761 	u8			slave_id;
762 	u8			reserved3[2];
763 	u8			owner;
764 } __packed;
765 
766 struct mlx4_init_port_param {
767 	int			set_guid0;
768 	int			set_node_guid;
769 	int			set_si_guid;
770 	u16			mtu;
771 	int			port_width_cap;
772 	u16			vl_cap;
773 	u16			max_gid;
774 	u16			max_pkey;
775 	u64			guid0;
776 	u64			node_guid;
777 	u64			si_guid;
778 };
779 
780 #define mlx4_foreach_port(port, dev, type)				\
781 	for ((port) = 1; (port) <= (dev)->caps.num_ports; (port)++)	\
782 		if ((type) == (dev)->caps.port_mask[(port)])
783 
784 #define mlx4_foreach_non_ib_transport_port(port, dev)                     \
785 	for ((port) = 1; (port) <= (dev)->caps.num_ports; (port)++)	  \
786 		if (((dev)->caps.port_mask[port] != MLX4_PORT_TYPE_IB))
787 
788 #define mlx4_foreach_ib_transport_port(port, dev)                         \
789 	for ((port) = 1; (port) <= (dev)->caps.num_ports; (port)++)	  \
790 		if (((dev)->caps.port_mask[port] == MLX4_PORT_TYPE_IB) || \
791 			((dev)->caps.flags & MLX4_DEV_CAP_FLAG_IBOE))
792 
793 #define MLX4_INVALID_SLAVE_ID	0xFF
794 
795 void handle_port_mgmt_change_event(struct work_struct *work);
796 
797 static inline int mlx4_master_func_num(struct mlx4_dev *dev)
798 {
799 	return dev->caps.function;
800 }
801 
802 static inline int mlx4_is_master(struct mlx4_dev *dev)
803 {
804 	return dev->flags & MLX4_FLAG_MASTER;
805 }
806 
807 static inline int mlx4_num_reserved_sqps(struct mlx4_dev *dev)
808 {
809 	return dev->phys_caps.base_sqpn + 8 +
810 		16 * MLX4_MFUNC_MAX * !!mlx4_is_master(dev);
811 }
812 
813 static inline int mlx4_is_qp_reserved(struct mlx4_dev *dev, u32 qpn)
814 {
815 	return (qpn < dev->phys_caps.base_sqpn + 8 +
816 		16 * MLX4_MFUNC_MAX * !!mlx4_is_master(dev));
817 }
818 
819 static inline int mlx4_is_guest_proxy(struct mlx4_dev *dev, int slave, u32 qpn)
820 {
821 	int guest_proxy_base = dev->phys_caps.base_proxy_sqpn + slave * 8;
822 
823 	if (qpn >= guest_proxy_base && qpn < guest_proxy_base + 8)
824 		return 1;
825 
826 	return 0;
827 }
828 
829 static inline int mlx4_is_mfunc(struct mlx4_dev *dev)
830 {
831 	return dev->flags & (MLX4_FLAG_SLAVE | MLX4_FLAG_MASTER);
832 }
833 
834 static inline int mlx4_is_slave(struct mlx4_dev *dev)
835 {
836 	return dev->flags & MLX4_FLAG_SLAVE;
837 }
838 
839 int mlx4_buf_alloc(struct mlx4_dev *dev, int size, int max_direct,
840 		   struct mlx4_buf *buf);
841 void mlx4_buf_free(struct mlx4_dev *dev, int size, struct mlx4_buf *buf);
842 static inline void *mlx4_buf_offset(struct mlx4_buf *buf, int offset)
843 {
844 	if (BITS_PER_LONG == 64 || buf->nbufs == 1)
845 		return buf->direct.buf + offset;
846 	else
847 		return buf->page_list[offset >> PAGE_SHIFT].buf +
848 			(offset & (PAGE_SIZE - 1));
849 }
850 
851 int mlx4_pd_alloc(struct mlx4_dev *dev, u32 *pdn);
852 void mlx4_pd_free(struct mlx4_dev *dev, u32 pdn);
853 int mlx4_xrcd_alloc(struct mlx4_dev *dev, u32 *xrcdn);
854 void mlx4_xrcd_free(struct mlx4_dev *dev, u32 xrcdn);
855 
856 int mlx4_uar_alloc(struct mlx4_dev *dev, struct mlx4_uar *uar);
857 void mlx4_uar_free(struct mlx4_dev *dev, struct mlx4_uar *uar);
858 int mlx4_bf_alloc(struct mlx4_dev *dev, struct mlx4_bf *bf, int node);
859 void mlx4_bf_free(struct mlx4_dev *dev, struct mlx4_bf *bf);
860 
861 int mlx4_mtt_init(struct mlx4_dev *dev, int npages, int page_shift,
862 		  struct mlx4_mtt *mtt);
863 void mlx4_mtt_cleanup(struct mlx4_dev *dev, struct mlx4_mtt *mtt);
864 u64 mlx4_mtt_addr(struct mlx4_dev *dev, struct mlx4_mtt *mtt);
865 
866 int mlx4_mr_alloc(struct mlx4_dev *dev, u32 pd, u64 iova, u64 size, u32 access,
867 		  int npages, int page_shift, struct mlx4_mr *mr);
868 int mlx4_mr_free(struct mlx4_dev *dev, struct mlx4_mr *mr);
869 int mlx4_mr_enable(struct mlx4_dev *dev, struct mlx4_mr *mr);
870 int mlx4_mw_alloc(struct mlx4_dev *dev, u32 pd, enum mlx4_mw_type type,
871 		  struct mlx4_mw *mw);
872 void mlx4_mw_free(struct mlx4_dev *dev, struct mlx4_mw *mw);
873 int mlx4_mw_enable(struct mlx4_dev *dev, struct mlx4_mw *mw);
874 int mlx4_write_mtt(struct mlx4_dev *dev, struct mlx4_mtt *mtt,
875 		   int start_index, int npages, u64 *page_list);
876 int mlx4_buf_write_mtt(struct mlx4_dev *dev, struct mlx4_mtt *mtt,
877 		       struct mlx4_buf *buf);
878 
879 int mlx4_db_alloc(struct mlx4_dev *dev, struct mlx4_db *db, int order);
880 void mlx4_db_free(struct mlx4_dev *dev, struct mlx4_db *db);
881 
882 int mlx4_alloc_hwq_res(struct mlx4_dev *dev, struct mlx4_hwq_resources *wqres,
883 		       int size, int max_direct);
884 void mlx4_free_hwq_res(struct mlx4_dev *mdev, struct mlx4_hwq_resources *wqres,
885 		       int size);
886 
887 int mlx4_cq_alloc(struct mlx4_dev *dev, int nent, struct mlx4_mtt *mtt,
888 		  struct mlx4_uar *uar, u64 db_rec, struct mlx4_cq *cq,
889 		  unsigned vector, int collapsed, int timestamp_en);
890 void mlx4_cq_free(struct mlx4_dev *dev, struct mlx4_cq *cq);
891 
892 int mlx4_qp_reserve_range(struct mlx4_dev *dev, int cnt, int align, int *base);
893 void mlx4_qp_release_range(struct mlx4_dev *dev, int base_qpn, int cnt);
894 
895 int mlx4_qp_alloc(struct mlx4_dev *dev, int qpn, struct mlx4_qp *qp);
896 void mlx4_qp_free(struct mlx4_dev *dev, struct mlx4_qp *qp);
897 
898 int mlx4_srq_alloc(struct mlx4_dev *dev, u32 pdn, u32 cqn, u16 xrcdn,
899 		   struct mlx4_mtt *mtt, u64 db_rec, struct mlx4_srq *srq);
900 void mlx4_srq_free(struct mlx4_dev *dev, struct mlx4_srq *srq);
901 int mlx4_srq_arm(struct mlx4_dev *dev, struct mlx4_srq *srq, int limit_watermark);
902 int mlx4_srq_query(struct mlx4_dev *dev, struct mlx4_srq *srq, int *limit_watermark);
903 
904 int mlx4_INIT_PORT(struct mlx4_dev *dev, int port);
905 int mlx4_CLOSE_PORT(struct mlx4_dev *dev, int port);
906 
907 int mlx4_unicast_attach(struct mlx4_dev *dev, struct mlx4_qp *qp, u8 gid[16],
908 			int block_mcast_loopback, enum mlx4_protocol prot);
909 int mlx4_unicast_detach(struct mlx4_dev *dev, struct mlx4_qp *qp, u8 gid[16],
910 			enum mlx4_protocol prot);
911 int mlx4_multicast_attach(struct mlx4_dev *dev, struct mlx4_qp *qp, u8 gid[16],
912 			  u8 port, int block_mcast_loopback,
913 			  enum mlx4_protocol protocol, u64 *reg_id);
914 int mlx4_multicast_detach(struct mlx4_dev *dev, struct mlx4_qp *qp, u8 gid[16],
915 			  enum mlx4_protocol protocol, u64 reg_id);
916 
917 enum {
918 	MLX4_DOMAIN_UVERBS	= 0x1000,
919 	MLX4_DOMAIN_ETHTOOL     = 0x2000,
920 	MLX4_DOMAIN_RFS         = 0x3000,
921 	MLX4_DOMAIN_NIC    = 0x5000,
922 };
923 
924 enum mlx4_net_trans_rule_id {
925 	MLX4_NET_TRANS_RULE_ID_ETH = 0,
926 	MLX4_NET_TRANS_RULE_ID_IB,
927 	MLX4_NET_TRANS_RULE_ID_IPV6,
928 	MLX4_NET_TRANS_RULE_ID_IPV4,
929 	MLX4_NET_TRANS_RULE_ID_TCP,
930 	MLX4_NET_TRANS_RULE_ID_UDP,
931 	MLX4_NET_TRANS_RULE_ID_VXLAN,
932 	MLX4_NET_TRANS_RULE_NUM, /* should be last */
933 };
934 
935 extern const u16 __sw_id_hw[];
936 
937 static inline int map_hw_to_sw_id(u16 header_id)
938 {
939 
940 	int i;
941 	for (i = 0; i < MLX4_NET_TRANS_RULE_NUM; i++) {
942 		if (header_id == __sw_id_hw[i])
943 			return i;
944 	}
945 	return -EINVAL;
946 }
947 
948 enum mlx4_net_trans_promisc_mode {
949 	MLX4_FS_REGULAR = 1,
950 	MLX4_FS_ALL_DEFAULT,
951 	MLX4_FS_MC_DEFAULT,
952 	MLX4_FS_UC_SNIFFER,
953 	MLX4_FS_MC_SNIFFER,
954 	MLX4_FS_MODE_NUM, /* should be last */
955 };
956 
957 struct mlx4_spec_eth {
958 	u8	dst_mac[ETH_ALEN];
959 	u8	dst_mac_msk[ETH_ALEN];
960 	u8	src_mac[ETH_ALEN];
961 	u8	src_mac_msk[ETH_ALEN];
962 	u8	ether_type_enable;
963 	__be16	ether_type;
964 	__be16	vlan_id_msk;
965 	__be16	vlan_id;
966 };
967 
968 struct mlx4_spec_tcp_udp {
969 	__be16 dst_port;
970 	__be16 dst_port_msk;
971 	__be16 src_port;
972 	__be16 src_port_msk;
973 };
974 
975 struct mlx4_spec_ipv4 {
976 	__be32 dst_ip;
977 	__be32 dst_ip_msk;
978 	__be32 src_ip;
979 	__be32 src_ip_msk;
980 };
981 
982 struct mlx4_spec_ib {
983 	__be32  l3_qpn;
984 	__be32	qpn_msk;
985 	u8	dst_gid[16];
986 	u8	dst_gid_msk[16];
987 };
988 
989 struct mlx4_spec_vxlan {
990 	__be32 vni;
991 	__be32 vni_mask;
992 
993 };
994 
995 struct mlx4_spec_list {
996 	struct	list_head list;
997 	enum	mlx4_net_trans_rule_id id;
998 	union {
999 		struct mlx4_spec_eth eth;
1000 		struct mlx4_spec_ib ib;
1001 		struct mlx4_spec_ipv4 ipv4;
1002 		struct mlx4_spec_tcp_udp tcp_udp;
1003 		struct mlx4_spec_vxlan vxlan;
1004 	};
1005 };
1006 
1007 enum mlx4_net_trans_hw_rule_queue {
1008 	MLX4_NET_TRANS_Q_FIFO,
1009 	MLX4_NET_TRANS_Q_LIFO,
1010 };
1011 
1012 struct mlx4_net_trans_rule {
1013 	struct	list_head list;
1014 	enum	mlx4_net_trans_hw_rule_queue queue_mode;
1015 	bool	exclusive;
1016 	bool	allow_loopback;
1017 	enum	mlx4_net_trans_promisc_mode promisc_mode;
1018 	u8	port;
1019 	u16	priority;
1020 	u32	qpn;
1021 };
1022 
1023 struct mlx4_net_trans_rule_hw_ctrl {
1024 	__be16 prio;
1025 	u8 type;
1026 	u8 flags;
1027 	u8 rsvd1;
1028 	u8 funcid;
1029 	u8 vep;
1030 	u8 port;
1031 	__be32 qpn;
1032 	__be32 rsvd2;
1033 };
1034 
1035 struct mlx4_net_trans_rule_hw_ib {
1036 	u8 size;
1037 	u8 rsvd1;
1038 	__be16 id;
1039 	u32 rsvd2;
1040 	__be32 l3_qpn;
1041 	__be32 qpn_mask;
1042 	u8 dst_gid[16];
1043 	u8 dst_gid_msk[16];
1044 } __packed;
1045 
1046 struct mlx4_net_trans_rule_hw_eth {
1047 	u8	size;
1048 	u8	rsvd;
1049 	__be16	id;
1050 	u8	rsvd1[6];
1051 	u8	dst_mac[6];
1052 	u16	rsvd2;
1053 	u8	dst_mac_msk[6];
1054 	u16	rsvd3;
1055 	u8	src_mac[6];
1056 	u16	rsvd4;
1057 	u8	src_mac_msk[6];
1058 	u8      rsvd5;
1059 	u8      ether_type_enable;
1060 	__be16  ether_type;
1061 	__be16  vlan_tag_msk;
1062 	__be16  vlan_tag;
1063 } __packed;
1064 
1065 struct mlx4_net_trans_rule_hw_tcp_udp {
1066 	u8	size;
1067 	u8	rsvd;
1068 	__be16	id;
1069 	__be16	rsvd1[3];
1070 	__be16	dst_port;
1071 	__be16	rsvd2;
1072 	__be16	dst_port_msk;
1073 	__be16	rsvd3;
1074 	__be16	src_port;
1075 	__be16	rsvd4;
1076 	__be16	src_port_msk;
1077 } __packed;
1078 
1079 struct mlx4_net_trans_rule_hw_ipv4 {
1080 	u8	size;
1081 	u8	rsvd;
1082 	__be16	id;
1083 	__be32	rsvd1;
1084 	__be32	dst_ip;
1085 	__be32	dst_ip_msk;
1086 	__be32	src_ip;
1087 	__be32	src_ip_msk;
1088 } __packed;
1089 
1090 struct mlx4_net_trans_rule_hw_vxlan {
1091 	u8	size;
1092 	u8	rsvd;
1093 	__be16	id;
1094 	__be32	rsvd1;
1095 	__be32	vni;
1096 	__be32	vni_mask;
1097 } __packed;
1098 
1099 struct _rule_hw {
1100 	union {
1101 		struct {
1102 			u8 size;
1103 			u8 rsvd;
1104 			__be16 id;
1105 		};
1106 		struct mlx4_net_trans_rule_hw_eth eth;
1107 		struct mlx4_net_trans_rule_hw_ib ib;
1108 		struct mlx4_net_trans_rule_hw_ipv4 ipv4;
1109 		struct mlx4_net_trans_rule_hw_tcp_udp tcp_udp;
1110 		struct mlx4_net_trans_rule_hw_vxlan vxlan;
1111 	};
1112 };
1113 
1114 enum {
1115 	VXLAN_STEER_BY_OUTER_MAC	= 1 << 0,
1116 	VXLAN_STEER_BY_OUTER_VLAN	= 1 << 1,
1117 	VXLAN_STEER_BY_VSID_VNI		= 1 << 2,
1118 	VXLAN_STEER_BY_INNER_MAC	= 1 << 3,
1119 	VXLAN_STEER_BY_INNER_VLAN	= 1 << 4,
1120 };
1121 
1122 
1123 int mlx4_flow_steer_promisc_add(struct mlx4_dev *dev, u8 port, u32 qpn,
1124 				enum mlx4_net_trans_promisc_mode mode);
1125 int mlx4_flow_steer_promisc_remove(struct mlx4_dev *dev, u8 port,
1126 				   enum mlx4_net_trans_promisc_mode mode);
1127 int mlx4_multicast_promisc_add(struct mlx4_dev *dev, u32 qpn, u8 port);
1128 int mlx4_multicast_promisc_remove(struct mlx4_dev *dev, u32 qpn, u8 port);
1129 int mlx4_unicast_promisc_add(struct mlx4_dev *dev, u32 qpn, u8 port);
1130 int mlx4_unicast_promisc_remove(struct mlx4_dev *dev, u32 qpn, u8 port);
1131 int mlx4_SET_MCAST_FLTR(struct mlx4_dev *dev, u8 port, u64 mac, u64 clear, u8 mode);
1132 
1133 int mlx4_register_mac(struct mlx4_dev *dev, u8 port, u64 mac);
1134 void mlx4_unregister_mac(struct mlx4_dev *dev, u8 port, u64 mac);
1135 int mlx4_get_base_qpn(struct mlx4_dev *dev, u8 port);
1136 int __mlx4_replace_mac(struct mlx4_dev *dev, u8 port, int qpn, u64 new_mac);
1137 void mlx4_set_stats_bitmap(struct mlx4_dev *dev, u64 *stats_bitmap);
1138 int mlx4_SET_PORT_general(struct mlx4_dev *dev, u8 port, int mtu,
1139 			  u8 pptx, u8 pfctx, u8 pprx, u8 pfcrx);
1140 int mlx4_SET_PORT_qpn_calc(struct mlx4_dev *dev, u8 port, u32 base_qpn,
1141 			   u8 promisc);
1142 int mlx4_SET_PORT_PRIO2TC(struct mlx4_dev *dev, u8 port, u8 *prio2tc);
1143 int mlx4_SET_PORT_SCHEDULER(struct mlx4_dev *dev, u8 port, u8 *tc_tx_bw,
1144 		u8 *pg, u16 *ratelimit);
1145 int mlx4_SET_PORT_VXLAN(struct mlx4_dev *dev, u8 port, u8 steering, int enable);
1146 int mlx4_find_cached_mac(struct mlx4_dev *dev, u8 port, u64 mac, int *idx);
1147 int mlx4_find_cached_vlan(struct mlx4_dev *dev, u8 port, u16 vid, int *idx);
1148 int mlx4_register_vlan(struct mlx4_dev *dev, u8 port, u16 vlan, int *index);
1149 void mlx4_unregister_vlan(struct mlx4_dev *dev, u8 port, u16 vlan);
1150 
1151 int mlx4_map_phys_fmr(struct mlx4_dev *dev, struct mlx4_fmr *fmr, u64 *page_list,
1152 		      int npages, u64 iova, u32 *lkey, u32 *rkey);
1153 int mlx4_fmr_alloc(struct mlx4_dev *dev, u32 pd, u32 access, int max_pages,
1154 		   int max_maps, u8 page_shift, struct mlx4_fmr *fmr);
1155 int mlx4_fmr_enable(struct mlx4_dev *dev, struct mlx4_fmr *fmr);
1156 void mlx4_fmr_unmap(struct mlx4_dev *dev, struct mlx4_fmr *fmr,
1157 		    u32 *lkey, u32 *rkey);
1158 int mlx4_fmr_free(struct mlx4_dev *dev, struct mlx4_fmr *fmr);
1159 int mlx4_SYNC_TPT(struct mlx4_dev *dev);
1160 int mlx4_test_interrupts(struct mlx4_dev *dev);
1161 int mlx4_assign_eq(struct mlx4_dev *dev, char *name, struct cpu_rmap *rmap,
1162 		   int *vector);
1163 void mlx4_release_eq(struct mlx4_dev *dev, int vec);
1164 
1165 int mlx4_get_phys_port_id(struct mlx4_dev *dev);
1166 int mlx4_wol_read(struct mlx4_dev *dev, u64 *config, int port);
1167 int mlx4_wol_write(struct mlx4_dev *dev, u64 config, int port);
1168 
1169 int mlx4_counter_alloc(struct mlx4_dev *dev, u32 *idx);
1170 void mlx4_counter_free(struct mlx4_dev *dev, u32 idx);
1171 
1172 int mlx4_flow_attach(struct mlx4_dev *dev,
1173 		     struct mlx4_net_trans_rule *rule, u64 *reg_id);
1174 int mlx4_flow_detach(struct mlx4_dev *dev, u64 reg_id);
1175 int mlx4_map_sw_to_hw_steering_mode(struct mlx4_dev *dev,
1176 				    enum mlx4_net_trans_promisc_mode flow_type);
1177 int mlx4_map_sw_to_hw_steering_id(struct mlx4_dev *dev,
1178 				  enum mlx4_net_trans_rule_id id);
1179 int mlx4_hw_rule_sz(struct mlx4_dev *dev, enum mlx4_net_trans_rule_id id);
1180 
1181 void mlx4_sync_pkey_table(struct mlx4_dev *dev, int slave, int port,
1182 			  int i, int val);
1183 
1184 int mlx4_get_parav_qkey(struct mlx4_dev *dev, u32 qpn, u32 *qkey);
1185 
1186 int mlx4_is_slave_active(struct mlx4_dev *dev, int slave);
1187 int mlx4_gen_pkey_eqe(struct mlx4_dev *dev, int slave, u8 port);
1188 int mlx4_gen_guid_change_eqe(struct mlx4_dev *dev, int slave, u8 port);
1189 int mlx4_gen_slaves_port_mgt_ev(struct mlx4_dev *dev, u8 port, int attr);
1190 int mlx4_gen_port_state_change_eqe(struct mlx4_dev *dev, int slave, u8 port, u8 port_subtype_change);
1191 enum slave_port_state mlx4_get_slave_port_state(struct mlx4_dev *dev, int slave, u8 port);
1192 int set_and_calc_slave_port_state(struct mlx4_dev *dev, int slave, u8 port, int event, enum slave_port_gen_event *gen_event);
1193 
1194 void mlx4_put_slave_node_guid(struct mlx4_dev *dev, int slave, __be64 guid);
1195 __be64 mlx4_get_slave_node_guid(struct mlx4_dev *dev, int slave);
1196 
1197 int mlx4_get_slave_from_roce_gid(struct mlx4_dev *dev, int port, u8 *gid,
1198 				 int *slave_id);
1199 int mlx4_get_roce_gid_from_slave(struct mlx4_dev *dev, int port, int slave_id,
1200 				 u8 *gid);
1201 
1202 int mlx4_FLOW_STEERING_IB_UC_QP_RANGE(struct mlx4_dev *dev, u32 min_range_qpn,
1203 				      u32 max_range_qpn);
1204 
1205 cycle_t mlx4_read_clock(struct mlx4_dev *dev);
1206 
1207 struct mlx4_active_ports {
1208 	DECLARE_BITMAP(ports, MLX4_MAX_PORTS);
1209 };
1210 /* Returns a bitmap of the physical ports which are assigned to slave */
1211 struct mlx4_active_ports mlx4_get_active_ports(struct mlx4_dev *dev, int slave);
1212 
1213 /* Returns the physical port that represents the virtual port of the slave, */
1214 /* or a value < 0 in case of an error. If a slave has 2 ports, the identity */
1215 /* mapping is returned.							    */
1216 int mlx4_slave_convert_port(struct mlx4_dev *dev, int slave, int port);
1217 
1218 struct mlx4_slaves_pport {
1219 	DECLARE_BITMAP(slaves, MLX4_MFUNC_MAX);
1220 };
1221 /* Returns a bitmap of all slaves that are assigned to port. */
1222 struct mlx4_slaves_pport mlx4_phys_to_slaves_pport(struct mlx4_dev *dev,
1223 						   int port);
1224 
1225 /* Returns a bitmap of all slaves that are assigned exactly to all the */
1226 /* the ports that are set in crit_ports.			       */
1227 struct mlx4_slaves_pport mlx4_phys_to_slaves_pport_actv(
1228 		struct mlx4_dev *dev,
1229 		const struct mlx4_active_ports *crit_ports);
1230 
1231 /* Returns the slave's virtual port that represents the physical port. */
1232 int mlx4_phys_to_slave_port(struct mlx4_dev *dev, int slave, int port);
1233 
1234 int mlx4_get_base_gid_ix(struct mlx4_dev *dev, int slave, int port);
1235 
1236 int mlx4_config_vxlan_port(struct mlx4_dev *dev, __be16 udp_port);
1237 #endif /* MLX4_DEVICE_H */
1238