summaryrefslogtreecommitdiffstats
path: root/include/linux/mlx4/qp.h
blob: 587cdf943b524abd88fa945844b1e5b209b7fe2e (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
284
285
286
287
288
289
290
291
292
293
294
295
296
297
298
299
300
301
302
303
304
305
306
307
308
309
310
311
312
313
314
315
316
317
318
319
320
321
322
323
324
325
326
327
328
329
330
331
332
333
334
335
336
337
338
339
340
341
342
343
344
345
346
347
348
349
350
351
352
353
354
355
356
357
358
359
360
361
362
363
364
365
366
367
368
369
370
371
372
373
374
375
376
377
378
379
380
381
382
383
384
385
386
387
388
389
390
391
392
393
394
395
396
397
398
399
400
401
402
403
404
405
406
407
408
409
410
411
412
413
414
415
416
417
418
419
420
421
422
423
424
425
426
427
428
429
430
431
432
433
434
435
436
437
438
439
440
441
442
443
444
445
446
447
448
449
450
451
452
453
454
455
456
457
458
459
460
461
462
463
464
465
466
467
468
469
470
471
472
473
474
475
476
477
478
479
480
481
482
483
484
485
486
487
488
489
490
491
492
493
494
495
496
497
498
499
500
501
/*
 * Copyright (c) 2007 Cisco Systems, Inc.  All rights reserved.
 *
 * This software is available to you under a choice of one of two
 * licenses.  You may choose to be licensed under the terms of the GNU
 * General Public License (GPL) Version 2, available from the file
 * COPYING in the main directory of this source tree, or the
 * OpenIB.org BSD license below:
 *
 *     Redistribution and use in source and binary forms, with or
 *     without modification, are permitted provided that the following
 *     conditions are met:
 *
 *	- Redistributions of source code must retain the above
 *	  copyright notice, this list of conditions and the following
 *	  disclaimer.
 *
 *	- Redistributions in binary form must reproduce the above
 *	  copyright notice, this list of conditions and the following
 *	  disclaimer in the documentation and/or other materials
 *	  provided with the distribution.
 *
 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
 * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
 * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
 * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS
 * BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN
 * ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
 * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
 * SOFTWARE.
 */

#ifndef MLX4_QP_H
#define MLX4_QP_H

#include <linux/types.h>
#include <linux/if_ether.h>

#include <linux/mlx4/device.h>

#define MLX4_INVALID_LKEY	0x100

enum mlx4_qp_optpar {
	MLX4_QP_OPTPAR_ALT_ADDR_PATH		= 1 << 0,
	MLX4_QP_OPTPAR_RRE			= 1 << 1,
	MLX4_QP_OPTPAR_RAE			= 1 << 2,
	MLX4_QP_OPTPAR_RWE			= 1 << 3,
	MLX4_QP_OPTPAR_PKEY_INDEX		= 1 << 4,
	MLX4_QP_OPTPAR_Q_KEY			= 1 << 5,
	MLX4_QP_OPTPAR_RNR_TIMEOUT		= 1 << 6,
	MLX4_QP_OPTPAR_PRIMARY_ADDR_PATH	= 1 << 7,
	MLX4_QP_OPTPAR_SRA_MAX			= 1 << 8,
	MLX4_QP_OPTPAR_RRA_MAX			= 1 << 9,
	MLX4_QP_OPTPAR_PM_STATE			= 1 << 10,
	MLX4_QP_OPTPAR_RETRY_COUNT		= 1 << 12,
	MLX4_QP_OPTPAR_RNR_RETRY		= 1 << 13,
	MLX4_QP_OPTPAR_ACK_TIMEOUT		= 1 << 14,
	MLX4_QP_OPTPAR_SCHED_QUEUE		= 1 << 16,
	MLX4_QP_OPTPAR_COUNTER_INDEX		= 1 << 20,
	MLX4_QP_OPTPAR_VLAN_STRIPPING		= 1 << 21,
};

enum mlx4_qp_state {
	MLX4_QP_STATE_RST			= 0,
	MLX4_QP_STATE_INIT			= 1,
	MLX4_QP_STATE_RTR			= 2,
	MLX4_QP_STATE_RTS			= 3,
	MLX4_QP_STATE_SQER			= 4,
	MLX4_QP_STATE_SQD			= 5,
	MLX4_QP_STATE_ERR			= 6,
	MLX4_QP_STATE_SQ_DRAINING		= 7,
	MLX4_QP_NUM_STATE
};

enum {
	MLX4_QP_ST_RC				= 0x0,
	MLX4_QP_ST_UC				= 0x1,
	MLX4_QP_ST_RD				= 0x2,
	MLX4_QP_ST_UD				= 0x3,
	MLX4_QP_ST_XRC				= 0x6,
	MLX4_QP_ST_MLX				= 0x7
};

enum {
	MLX4_QP_PM_MIGRATED			= 0x3,
	MLX4_QP_PM_ARMED			= 0x0,
	MLX4_QP_PM_REARM			= 0x1
};

enum {
	/* params1 */
	MLX4_QP_BIT_SRE				= 1 << 15,
	MLX4_QP_BIT_SWE				= 1 << 14,
	MLX4_QP_BIT_SAE				= 1 << 13,
	/* params2 */
	MLX4_QP_BIT_RRE				= 1 << 15,
	MLX4_QP_BIT_RWE				= 1 << 14,
	MLX4_QP_BIT_RAE				= 1 << 13,
	MLX4_QP_BIT_FPP				= 1 <<	3,
	MLX4_QP_BIT_RIC				= 1 <<	4,
};

enum {
	MLX4_RSS_HASH_XOR			= 0,
	MLX4_RSS_HASH_TOP			= 1,

	MLX4_RSS_UDP_IPV6			= 1 << 0,
	MLX4_RSS_UDP_IPV4			= 1 << 1,
	MLX4_RSS_TCP_IPV6			= 1 << 2,
	MLX4_RSS_IPV6				= 1 << 3,
	MLX4_RSS_TCP_IPV4			= 1 << 4,
	MLX4_RSS_IPV4				= 1 << 5,

	MLX4_RSS_BY_OUTER_HEADERS		= 0 << 6,
	MLX4_RSS_BY_INNER_HEADERS		= 2 << 6,
	MLX4_RSS_BY_INNER_HEADERS_IPONLY	= 3 << 6,

	/* offset of mlx4_rss_context within mlx4_qp_context.pri_path */
	MLX4_RSS_OFFSET_IN_QPC_PRI_PATH		= 0x24,
	/* offset of being RSS indirection QP within mlx4_qp_context.flags */
	MLX4_RSS_QPC_FLAG_OFFSET		= 13,
};

#define MLX4_EN_RSS_KEY_SIZE 40

struct mlx4_rss_context {
	__be32			base_qpn;
	__be32			default_qpn;
	u16			reserved;
	u8			hash_fn;
	u8			flags;
	__be32			rss_key[MLX4_EN_RSS_KEY_SIZE / sizeof(__be32)];
	__be32			base_qpn_udp;
};

struct mlx4_qp_path {
	u8			fl;
	union {
		u8			vlan_control;
		u8			control;
	};
	u8			disable_pkey_check;
	u8			pkey_index;
	u8			counter_index;
	u8			grh_mylmc;
	__be16			rlid;
	u8			ackto;
	u8			mgid_index;
	u8			static_rate;
	u8			hop_limit;
	__be32			tclass_flowlabel;
	u8			rgid[16];
	u8			sched_queue;
	u8			vlan_index;
	u8			feup;
	u8			fvl_rx;
	u8			reserved4[2];
	u8			dmac[ETH_ALEN];
};

enum { /* fl */
	MLX4_FL_CV	= 1 << 6,
	MLX4_FL_ETH_HIDE_CQE_VLAN	= 1 << 2,
	MLX4_FL_ETH_SRC_CHECK_MC_LB	= 1 << 1,
	MLX4_FL_ETH_SRC_CHECK_UC_LB	= 1 << 0,
};

enum { /* control */
	MLX4_CTRL_ETH_SRC_CHECK_IF_COUNTER	= 1 << 7,
};

enum { /* vlan_control */
	MLX4_VLAN_CTRL_ETH_TX_BLOCK_TAGGED	= 1 << 6,
	MLX4_VLAN_CTRL_ETH_TX_BLOCK_PRIO_TAGGED	= 1 << 5, /* 802.1p priority tag */
	MLX4_VLAN_CTRL_ETH_TX_BLOCK_UNTAGGED	= 1 << 4,
	MLX4_VLAN_CTRL_ETH_RX_BLOCK_TAGGED	= 1 << 2,
	MLX4_VLAN_CTRL_ETH_RX_BLOCK_PRIO_TAGGED	= 1 << 1, /* 802.1p priority tag */
	MLX4_VLAN_CTRL_ETH_RX_BLOCK_UNTAGGED	= 1 << 0
};

enum { /* feup */
	MLX4_FEUP_FORCE_ETH_UP          = 1 << 6, /* force Eth UP */
	MLX4_FSM_FORCE_ETH_SRC_MAC      = 1 << 5, /* force Source MAC */
	MLX4_FVL_FORCE_ETH_VLAN         = 1 << 3  /* force Eth vlan */
};

enum { /* fvl_rx */
	MLX4_FVL_RX_FORCE_ETH_VLAN      = 1 << 0 /* enforce Eth rx vlan */
};

struct mlx4_qp_context {
	__be32			flags;
	__be32			pd;
	u8			mtu_msgmax;
	u8			rq_size_stride;
	u8			sq_size_stride;
	u8			rlkey_roce_mode;
	__be32			usr_page;
	__be32			local_qpn;
	__be32			remote_qpn;
	struct			mlx4_qp_path pri_path;
	struct			mlx4_qp_path alt_path;
	__be32			params1;
	u32			reserved1;
	__be32			next_send_psn;
	__be32			cqn_send;
	__be16                  roce_entropy;
	__be16                  reserved2[3];
	__be32			last_acked_psn;
	__be32			ssn;
	__be32			params2;
	__be32			rnr_nextrecvpsn;
	__be32			xrcd;
	__be32			cqn_recv;
	__be64			db_rec_addr;
	__be32			qkey;
	__be32			srqn;
	__be32			msn;
	__be16			rq_wqe_counter;
	__be16			sq_wqe_counter;
	u32			reserved3;
	__be16			rate_limit_params;
	u8			reserved4;
	u8			qos_vport;
	__be32			param3;
	__be32			nummmcpeers_basemkey;
	u8			log_page_size;
	u8			reserved5[2];
	u8			mtt_base_addr_h;
	__be32			mtt_base_addr_l;
	u32			reserved6[10];
};

struct mlx4_update_qp_context {
	__be64			qp_mask;
	__be64			primary_addr_path_mask;
	__be64			secondary_addr_path_mask;
	u64			reserved1;
	struct mlx4_qp_context	qp_context;
	u64			reserved2[58];
};

enum {
	MLX4_UPD_QP_MASK_PM_STATE	= 32,
	MLX4_UPD_QP_MASK_VSD		= 33,
	MLX4_UPD_QP_MASK_QOS_VPP	= 34,
	MLX4_UPD_QP_MASK_RATE_LIMIT	= 35,
};

enum {
	MLX4_UPD_QP_PATH_MASK_PKEY_INDEX		= 0 + 32,
	MLX4_UPD_QP_PATH_MASK_FSM			= 1 + 32,
	MLX4_UPD_QP_PATH_MASK_MAC_INDEX			= 2 + 32,
	MLX4_UPD_QP_PATH_MASK_FVL			= 3 + 32,
	MLX4_UPD_QP_PATH_MASK_CV			= 4 + 32,
	MLX4_UPD_QP_PATH_MASK_VLAN_INDEX		= 5 + 32,
	MLX4_UPD_QP_PATH_MASK_ETH_HIDE_CQE_VLAN		= 6 + 32,
	MLX4_UPD_QP_PATH_MASK_ETH_TX_BLOCK_UNTAGGED	= 7 + 32,
	MLX4_UPD_QP_PATH_MASK_ETH_TX_BLOCK_1P		= 8 + 32,
	MLX4_UPD_QP_PATH_MASK_ETH_TX_BLOCK_TAGGED	= 9 + 32,
	MLX4_UPD_QP_PATH_MASK_ETH_RX_BLOCK_UNTAGGED	= 10 + 32,
	MLX4_UPD_QP_PATH_MASK_ETH_RX_BLOCK_1P		= 11 + 32,
	MLX4_UPD_QP_PATH_MASK_ETH_RX_BLOCK_TAGGED	= 12 + 32,
	MLX4_UPD_QP_PATH_MASK_FEUP			= 13 + 32,
	MLX4_UPD_QP_PATH_MASK_SCHED_QUEUE		= 14 + 32,
	MLX4_UPD_QP_PATH_MASK_IF_COUNTER_INDEX		= 15 + 32,
	MLX4_UPD_QP_PATH_MASK_FVL_RX			= 16 + 32,
	MLX4_UPD_QP_PATH_MASK_ETH_SRC_CHECK_UC_LB	= 18 + 32,
	MLX4_UPD_QP_PATH_MASK_ETH_SRC_CHECK_MC_LB	= 19 + 32,
};

enum { /* param3 */
	MLX4_STRIP_VLAN = 1 << 30
};

/* Which firmware version adds support for NEC (NoErrorCompletion) bit */
#define MLX4_FW_VER_WQE_CTRL_NEC mlx4_fw_ver(2, 2, 232)

enum {
	MLX4_WQE_CTRL_NEC		= 1 << 29,
	MLX4_WQE_CTRL_IIP		= 1 << 28,
	MLX4_WQE_CTRL_ILP		= 1 << 27,
	MLX4_WQE_CTRL_FENCE		= 1 << 6,
	MLX4_WQE_CTRL_CQ_UPDATE		= 3 << 2,
	MLX4_WQE_CTRL_SOLICITED		= 1 << 1,
	MLX4_WQE_CTRL_IP_CSUM		= 1 << 4,
	MLX4_WQE_CTRL_TCP_UDP_CSUM	= 1 << 5,
	MLX4_WQE_CTRL_INS_CVLAN		= 1 << 6,
	MLX4_WQE_CTRL_INS_SVLAN		= 1 << 7,
	MLX4_WQE_CTRL_STRONG_ORDER	= 1 << 7,
	MLX4_WQE_CTRL_FORCE_LOOPBACK	= 1 << 0,
};

struct mlx4_wqe_ctrl_seg {
	__be32			owner_opcode;
	union {
		struct {
			__be16			vlan_tag;
			u8			ins_vlan;
			u8			fence_size;
		};
		__be32			bf_qpn;
	};
	/*
	 * High 24 bits are SRC remote buffer; low 8 bits are flags:
	 * [7]   SO (strong ordering)
	 * [5]   TCP/UDP checksum
	 * [4]   IP checksum
	 * [3:2] C (generate completion queue entry)
	 * [1]   SE (solicited event)
	 * [0]   FL (force loopback)
	 */
	union {
		__be32			srcrb_flags;
		__be16			srcrb_flags16[2];
	};
	/*
	 * imm is immediate data for send/RDMA write w/ immediate;
	 * also invalidation key for send with invalidate; input
	 * modifier for WQEs on CCQs.
	 */
	__be32			imm;
};

enum {
	MLX4_WQE_MLX_VL15	= 1 << 17,
	MLX4_WQE_MLX_SLR	= 1 << 16
};

struct mlx4_wqe_mlx_seg {
	u8			owner;
	u8			reserved1[2];
	u8			opcode;
	__be16			sched_prio;
	u8			reserved2;
	u8			size;
	/*
	 * [17]    VL15
	 * [16]    SLR
	 * [15:12] static rate
	 * [11:8]  SL
	 * [4]     ICRC
	 * [3:2]   C
	 * [0]     FL (force loopback)
	 */
	__be32			flags;
	__be16			rlid;
	u16			reserved3;
};

struct mlx4_wqe_datagram_seg {
	__be32			av[8];
	__be32			dqpn;
	__be32			qkey;
	__be16			vlan;
	u8			mac[ETH_ALEN];
};

struct mlx4_wqe_lso_seg {
	__be32			mss_hdr_size;
	__be32			header[0];
};

enum mlx4_wqe_bind_seg_flags2 {
	MLX4_WQE_BIND_ZERO_BASED = (1 << 30),
	MLX4_WQE_BIND_TYPE_2     = (1 << 31),
};

struct mlx4_wqe_bind_seg {
	__be32			flags1;
	__be32			flags2;
	__be32			new_rkey;
	__be32			lkey;
	__be64			addr;
	__be64			length;
};

enum {
	MLX4_WQE_FMR_PERM_LOCAL_READ	= 1 << 27,
	MLX4_WQE_FMR_PERM_LOCAL_WRITE	= 1 << 28,
	MLX4_WQE_FMR_AND_BIND_PERM_REMOTE_READ	= 1 << 29,
	MLX4_WQE_FMR_AND_BIND_PERM_REMOTE_WRITE	= 1 << 30,
	MLX4_WQE_FMR_AND_BIND_PERM_ATOMIC	= 1 << 31
};

struct mlx4_wqe_fmr_seg {
	__be32			flags;
	__be32			mem_key;
	__be64			buf_list;
	__be64			start_addr;
	__be64			reg_len;
	__be32			offset;
	__be32			page_size;
	u32			reserved[2];
};

struct mlx4_wqe_fmr_ext_seg {
	u8			flags;
	u8			reserved;
	__be16			app_mask;
	__be16			wire_app_tag;
	__be16			mem_app_tag;
	__be32			wire_ref_tag_base;
	__be32			mem_ref_tag_base;
};

struct mlx4_wqe_local_inval_seg {
	u64			reserved1;
	__be32			mem_key;
	u32			reserved2;
	u64			reserved3[2];
};

struct mlx4_wqe_raddr_seg {
	__be64			raddr;
	__be32			rkey;
	u32			reserved;
};

struct mlx4_wqe_atomic_seg {
	__be64			swap_add;
	__be64			compare;
};

struct mlx4_wqe_masked_atomic_seg {
	__be64			swap_add;
	__be64			compare;
	__be64			swap_add_mask;
	__be64			compare_mask;
};

struct mlx4_wqe_data_seg {
	__be32			byte_count;
	__be32			lkey;
	__be64			addr;
};

enum {
	MLX4_INLINE_ALIGN	= 64,
	MLX4_INLINE_SEG		= 1 << 31,
};

struct mlx4_wqe_inline_seg {
	__be32			byte_count;
};

enum mlx4_update_qp_attr {
	MLX4_UPDATE_QP_SMAC		= 1 << 0,
	MLX4_UPDATE_QP_VSD		= 1 << 1,
	MLX4_UPDATE_QP_RATE_LIMIT	= 1 << 2,
	MLX4_UPDATE_QP_QOS_VPORT	= 1 << 3,
	MLX4_UPDATE_QP_ETH_SRC_CHECK_MC_LB      = 1 << 4,
	MLX4_UPDATE_QP_SUPPORTED_ATTRS	= (1 << 5) - 1
};

enum mlx4_update_qp_params_flags {
	MLX4_UPDATE_QP_PARAMS_FLAGS_ETH_CHECK_MC_LB     = 1 << 0,
	MLX4_UPDATE_QP_PARAMS_FLAGS_VSD_ENABLE		= 1 << 1,
};

struct mlx4_update_qp_params {
	u8	smac_index;
	u8	qos_vport;
	u32	flags;
	u16	rate_unit;
	u16	rate_val;
};

int mlx4_update_qp(struct mlx4_dev *dev, u32 qpn,
		   enum mlx4_update_qp_attr attr,
		   struct mlx4_update_qp_params *params);
int mlx4_qp_modify(struct mlx4_dev *dev, struct mlx4_mtt *mtt,
		   enum mlx4_qp_state cur_state, enum mlx4_qp_state new_state,
		   struct mlx4_qp_context *context, enum mlx4_qp_optpar optpar,
		   int sqd_event, struct mlx4_qp *qp);

int mlx4_qp_query(struct mlx4_dev *dev, struct mlx4_qp *qp,
		  struct mlx4_qp_context *context);

int mlx4_qp_to_ready(struct mlx4_dev *dev, struct mlx4_mtt *mtt,
		     struct mlx4_qp_context *context,
		     struct mlx4_qp *qp, enum mlx4_qp_state *qp_state);

static inline struct mlx4_qp *__mlx4_qp_lookup(struct mlx4_dev *dev, u32 qpn)
{
	return radix_tree_lookup(&dev->qp_table_tree, qpn & (dev->caps.num_qps - 1));
}

void mlx4_qp_remove(struct mlx4_dev *dev, struct mlx4_qp *qp);

static inline u16 folded_qp(u32 q)
{
	u16 res;

	res = ((q & 0xff) ^ ((q & 0xff0000) >> 16)) | (q & 0xff00);
	return res;
}

u16 mlx4_qp_roce_entropy(struct mlx4_dev *dev, u32 qpn);

#endif /* MLX4_QP_H */