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Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/sage/ceph...
[deliverable/linux.git] / include / linux / mlx4 / device.h
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 enum {
52 MLX4_FLAG_MSI_X = 1 << 0,
53 MLX4_FLAG_OLD_PORT_CMDS = 1 << 1,
54 MLX4_FLAG_MASTER = 1 << 2,
55 MLX4_FLAG_SLAVE = 1 << 3,
56 MLX4_FLAG_SRIOV = 1 << 4,
57 };
58
59 enum {
60 MLX4_PORT_CAP_IS_SM = 1 << 1,
61 MLX4_PORT_CAP_DEV_MGMT_SUP = 1 << 19,
62 };
63
64 enum {
65 MLX4_MAX_PORTS = 2,
66 MLX4_MAX_PORT_PKEYS = 128
67 };
68
69 /* base qkey for use in sriov tunnel-qp/proxy-qp communication.
70 * These qkeys must not be allowed for general use. This is a 64k range,
71 * and to test for violation, we use the mask (protect against future chg).
72 */
73 #define MLX4_RESERVED_QKEY_BASE (0xFFFF0000)
74 #define MLX4_RESERVED_QKEY_MASK (0xFFFF0000)
75
76 enum {
77 MLX4_BOARD_ID_LEN = 64
78 };
79
80 enum {
81 MLX4_MAX_NUM_PF = 16,
82 MLX4_MAX_NUM_VF = 64,
83 MLX4_MFUNC_MAX = 80,
84 MLX4_MAX_EQ_NUM = 1024,
85 MLX4_MFUNC_EQ_NUM = 4,
86 MLX4_MFUNC_MAX_EQES = 8,
87 MLX4_MFUNC_EQE_MASK = (MLX4_MFUNC_MAX_EQES - 1)
88 };
89
90 /* Driver supports 3 diffrent device methods to manage traffic steering:
91 * -device managed - High level API for ib and eth flow steering. FW is
92 * managing flow steering tables.
93 * - B0 steering mode - Common low level API for ib and (if supported) eth.
94 * - A0 steering mode - Limited low level API for eth. In case of IB,
95 * B0 mode is in use.
96 */
97 enum {
98 MLX4_STEERING_MODE_A0,
99 MLX4_STEERING_MODE_B0,
100 MLX4_STEERING_MODE_DEVICE_MANAGED
101 };
102
103 static inline const char *mlx4_steering_mode_str(int steering_mode)
104 {
105 switch (steering_mode) {
106 case MLX4_STEERING_MODE_A0:
107 return "A0 steering";
108
109 case MLX4_STEERING_MODE_B0:
110 return "B0 steering";
111
112 case MLX4_STEERING_MODE_DEVICE_MANAGED:
113 return "Device managed flow steering";
114
115 default:
116 return "Unrecognize steering mode";
117 }
118 }
119
120 enum {
121 MLX4_DEV_CAP_FLAG_RC = 1LL << 0,
122 MLX4_DEV_CAP_FLAG_UC = 1LL << 1,
123 MLX4_DEV_CAP_FLAG_UD = 1LL << 2,
124 MLX4_DEV_CAP_FLAG_XRC = 1LL << 3,
125 MLX4_DEV_CAP_FLAG_SRQ = 1LL << 6,
126 MLX4_DEV_CAP_FLAG_IPOIB_CSUM = 1LL << 7,
127 MLX4_DEV_CAP_FLAG_BAD_PKEY_CNTR = 1LL << 8,
128 MLX4_DEV_CAP_FLAG_BAD_QKEY_CNTR = 1LL << 9,
129 MLX4_DEV_CAP_FLAG_DPDP = 1LL << 12,
130 MLX4_DEV_CAP_FLAG_BLH = 1LL << 15,
131 MLX4_DEV_CAP_FLAG_MEM_WINDOW = 1LL << 16,
132 MLX4_DEV_CAP_FLAG_APM = 1LL << 17,
133 MLX4_DEV_CAP_FLAG_ATOMIC = 1LL << 18,
134 MLX4_DEV_CAP_FLAG_RAW_MCAST = 1LL << 19,
135 MLX4_DEV_CAP_FLAG_UD_AV_PORT = 1LL << 20,
136 MLX4_DEV_CAP_FLAG_UD_MCAST = 1LL << 21,
137 MLX4_DEV_CAP_FLAG_IBOE = 1LL << 30,
138 MLX4_DEV_CAP_FLAG_UC_LOOPBACK = 1LL << 32,
139 MLX4_DEV_CAP_FLAG_FCS_KEEP = 1LL << 34,
140 MLX4_DEV_CAP_FLAG_WOL_PORT1 = 1LL << 37,
141 MLX4_DEV_CAP_FLAG_WOL_PORT2 = 1LL << 38,
142 MLX4_DEV_CAP_FLAG_UDP_RSS = 1LL << 40,
143 MLX4_DEV_CAP_FLAG_VEP_UC_STEER = 1LL << 41,
144 MLX4_DEV_CAP_FLAG_VEP_MC_STEER = 1LL << 42,
145 MLX4_DEV_CAP_FLAG_COUNTERS = 1LL << 48,
146 MLX4_DEV_CAP_FLAG_SET_ETH_SCHED = 1LL << 53,
147 MLX4_DEV_CAP_FLAG_SENSE_SUPPORT = 1LL << 55,
148 MLX4_DEV_CAP_FLAG_PORT_MNG_CHG_EV = 1LL << 59,
149 MLX4_DEV_CAP_FLAG_64B_EQE = 1LL << 61,
150 MLX4_DEV_CAP_FLAG_64B_CQE = 1LL << 62
151 };
152
153 enum {
154 MLX4_DEV_CAP_FLAG2_RSS = 1LL << 0,
155 MLX4_DEV_CAP_FLAG2_RSS_TOP = 1LL << 1,
156 MLX4_DEV_CAP_FLAG2_RSS_XOR = 1LL << 2,
157 MLX4_DEV_CAP_FLAG2_FS_EN = 1LL << 3,
158 MLX4_DEV_CAP_FLAGS2_REASSIGN_MAC_EN = 1LL << 4,
159 MLX4_DEV_CAP_FLAG2_TS = 1LL << 5,
160 MLX4_DEV_CAP_FLAG2_VLAN_CONTROL = 1LL << 6,
161 MLX4_DEV_CAP_FLAG2_FSM = 1LL << 7,
162 MLX4_DEV_CAP_FLAG2_UPDATE_QP = 1LL << 8
163 };
164
165 enum {
166 MLX4_DEV_CAP_64B_EQE_ENABLED = 1LL << 0,
167 MLX4_DEV_CAP_64B_CQE_ENABLED = 1LL << 1
168 };
169
170 enum {
171 MLX4_USER_DEV_CAP_64B_CQE = 1L << 0
172 };
173
174 enum {
175 MLX4_FUNC_CAP_64B_EQE_CQE = 1L << 0
176 };
177
178
179 #define MLX4_ATTR_EXTENDED_PORT_INFO cpu_to_be16(0xff90)
180
181 enum {
182 MLX4_BMME_FLAG_WIN_TYPE_2B = 1 << 1,
183 MLX4_BMME_FLAG_LOCAL_INV = 1 << 6,
184 MLX4_BMME_FLAG_REMOTE_INV = 1 << 7,
185 MLX4_BMME_FLAG_TYPE_2_WIN = 1 << 9,
186 MLX4_BMME_FLAG_RESERVED_LKEY = 1 << 10,
187 MLX4_BMME_FLAG_FAST_REG_WR = 1 << 11,
188 };
189
190 enum mlx4_event {
191 MLX4_EVENT_TYPE_COMP = 0x00,
192 MLX4_EVENT_TYPE_PATH_MIG = 0x01,
193 MLX4_EVENT_TYPE_COMM_EST = 0x02,
194 MLX4_EVENT_TYPE_SQ_DRAINED = 0x03,
195 MLX4_EVENT_TYPE_SRQ_QP_LAST_WQE = 0x13,
196 MLX4_EVENT_TYPE_SRQ_LIMIT = 0x14,
197 MLX4_EVENT_TYPE_CQ_ERROR = 0x04,
198 MLX4_EVENT_TYPE_WQ_CATAS_ERROR = 0x05,
199 MLX4_EVENT_TYPE_EEC_CATAS_ERROR = 0x06,
200 MLX4_EVENT_TYPE_PATH_MIG_FAILED = 0x07,
201 MLX4_EVENT_TYPE_WQ_INVAL_REQ_ERROR = 0x10,
202 MLX4_EVENT_TYPE_WQ_ACCESS_ERROR = 0x11,
203 MLX4_EVENT_TYPE_SRQ_CATAS_ERROR = 0x12,
204 MLX4_EVENT_TYPE_LOCAL_CATAS_ERROR = 0x08,
205 MLX4_EVENT_TYPE_PORT_CHANGE = 0x09,
206 MLX4_EVENT_TYPE_EQ_OVERFLOW = 0x0f,
207 MLX4_EVENT_TYPE_ECC_DETECT = 0x0e,
208 MLX4_EVENT_TYPE_CMD = 0x0a,
209 MLX4_EVENT_TYPE_VEP_UPDATE = 0x19,
210 MLX4_EVENT_TYPE_COMM_CHANNEL = 0x18,
211 MLX4_EVENT_TYPE_OP_REQUIRED = 0x1a,
212 MLX4_EVENT_TYPE_FATAL_WARNING = 0x1b,
213 MLX4_EVENT_TYPE_FLR_EVENT = 0x1c,
214 MLX4_EVENT_TYPE_PORT_MNG_CHG_EVENT = 0x1d,
215 MLX4_EVENT_TYPE_NONE = 0xff,
216 };
217
218 enum {
219 MLX4_PORT_CHANGE_SUBTYPE_DOWN = 1,
220 MLX4_PORT_CHANGE_SUBTYPE_ACTIVE = 4
221 };
222
223 enum {
224 MLX4_FATAL_WARNING_SUBTYPE_WARMING = 0,
225 };
226
227 enum slave_port_state {
228 SLAVE_PORT_DOWN = 0,
229 SLAVE_PENDING_UP,
230 SLAVE_PORT_UP,
231 };
232
233 enum slave_port_gen_event {
234 SLAVE_PORT_GEN_EVENT_DOWN = 0,
235 SLAVE_PORT_GEN_EVENT_UP,
236 SLAVE_PORT_GEN_EVENT_NONE,
237 };
238
239 enum slave_port_state_event {
240 MLX4_PORT_STATE_DEV_EVENT_PORT_DOWN,
241 MLX4_PORT_STATE_DEV_EVENT_PORT_UP,
242 MLX4_PORT_STATE_IB_PORT_STATE_EVENT_GID_VALID,
243 MLX4_PORT_STATE_IB_EVENT_GID_INVALID,
244 };
245
246 enum {
247 MLX4_PERM_LOCAL_READ = 1 << 10,
248 MLX4_PERM_LOCAL_WRITE = 1 << 11,
249 MLX4_PERM_REMOTE_READ = 1 << 12,
250 MLX4_PERM_REMOTE_WRITE = 1 << 13,
251 MLX4_PERM_ATOMIC = 1 << 14,
252 MLX4_PERM_BIND_MW = 1 << 15,
253 };
254
255 enum {
256 MLX4_OPCODE_NOP = 0x00,
257 MLX4_OPCODE_SEND_INVAL = 0x01,
258 MLX4_OPCODE_RDMA_WRITE = 0x08,
259 MLX4_OPCODE_RDMA_WRITE_IMM = 0x09,
260 MLX4_OPCODE_SEND = 0x0a,
261 MLX4_OPCODE_SEND_IMM = 0x0b,
262 MLX4_OPCODE_LSO = 0x0e,
263 MLX4_OPCODE_RDMA_READ = 0x10,
264 MLX4_OPCODE_ATOMIC_CS = 0x11,
265 MLX4_OPCODE_ATOMIC_FA = 0x12,
266 MLX4_OPCODE_MASKED_ATOMIC_CS = 0x14,
267 MLX4_OPCODE_MASKED_ATOMIC_FA = 0x15,
268 MLX4_OPCODE_BIND_MW = 0x18,
269 MLX4_OPCODE_FMR = 0x19,
270 MLX4_OPCODE_LOCAL_INVAL = 0x1b,
271 MLX4_OPCODE_CONFIG_CMD = 0x1f,
272
273 MLX4_RECV_OPCODE_RDMA_WRITE_IMM = 0x00,
274 MLX4_RECV_OPCODE_SEND = 0x01,
275 MLX4_RECV_OPCODE_SEND_IMM = 0x02,
276 MLX4_RECV_OPCODE_SEND_INVAL = 0x03,
277
278 MLX4_CQE_OPCODE_ERROR = 0x1e,
279 MLX4_CQE_OPCODE_RESIZE = 0x16,
280 };
281
282 enum {
283 MLX4_STAT_RATE_OFFSET = 5
284 };
285
286 enum mlx4_protocol {
287 MLX4_PROT_IB_IPV6 = 0,
288 MLX4_PROT_ETH,
289 MLX4_PROT_IB_IPV4,
290 MLX4_PROT_FCOE
291 };
292
293 enum {
294 MLX4_MTT_FLAG_PRESENT = 1
295 };
296
297 enum mlx4_qp_region {
298 MLX4_QP_REGION_FW = 0,
299 MLX4_QP_REGION_ETH_ADDR,
300 MLX4_QP_REGION_FC_ADDR,
301 MLX4_QP_REGION_FC_EXCH,
302 MLX4_NUM_QP_REGION
303 };
304
305 enum mlx4_port_type {
306 MLX4_PORT_TYPE_NONE = 0,
307 MLX4_PORT_TYPE_IB = 1,
308 MLX4_PORT_TYPE_ETH = 2,
309 MLX4_PORT_TYPE_AUTO = 3
310 };
311
312 enum mlx4_special_vlan_idx {
313 MLX4_NO_VLAN_IDX = 0,
314 MLX4_VLAN_MISS_IDX,
315 MLX4_VLAN_REGULAR
316 };
317
318 enum mlx4_steer_type {
319 MLX4_MC_STEER = 0,
320 MLX4_UC_STEER,
321 MLX4_NUM_STEERS
322 };
323
324 enum {
325 MLX4_NUM_FEXCH = 64 * 1024,
326 };
327
328 enum {
329 MLX4_MAX_FAST_REG_PAGES = 511,
330 };
331
332 enum {
333 MLX4_DEV_PMC_SUBTYPE_GUID_INFO = 0x14,
334 MLX4_DEV_PMC_SUBTYPE_PORT_INFO = 0x15,
335 MLX4_DEV_PMC_SUBTYPE_PKEY_TABLE = 0x16,
336 };
337
338 /* Port mgmt change event handling */
339 enum {
340 MLX4_EQ_PORT_INFO_MSTR_SM_LID_CHANGE_MASK = 1 << 0,
341 MLX4_EQ_PORT_INFO_GID_PFX_CHANGE_MASK = 1 << 1,
342 MLX4_EQ_PORT_INFO_LID_CHANGE_MASK = 1 << 2,
343 MLX4_EQ_PORT_INFO_CLIENT_REREG_MASK = 1 << 3,
344 MLX4_EQ_PORT_INFO_MSTR_SM_SL_CHANGE_MASK = 1 << 4,
345 };
346
347 #define MSTR_SM_CHANGE_MASK (MLX4_EQ_PORT_INFO_MSTR_SM_SL_CHANGE_MASK | \
348 MLX4_EQ_PORT_INFO_MSTR_SM_LID_CHANGE_MASK)
349
350 static inline u64 mlx4_fw_ver(u64 major, u64 minor, u64 subminor)
351 {
352 return (major << 32) | (minor << 16) | subminor;
353 }
354
355 struct mlx4_phys_caps {
356 u32 gid_phys_table_len[MLX4_MAX_PORTS + 1];
357 u32 pkey_phys_table_len[MLX4_MAX_PORTS + 1];
358 u32 num_phys_eqs;
359 u32 base_sqpn;
360 u32 base_proxy_sqpn;
361 u32 base_tunnel_sqpn;
362 };
363
364 struct mlx4_caps {
365 u64 fw_ver;
366 u32 function;
367 int num_ports;
368 int vl_cap[MLX4_MAX_PORTS + 1];
369 int ib_mtu_cap[MLX4_MAX_PORTS + 1];
370 __be32 ib_port_def_cap[MLX4_MAX_PORTS + 1];
371 u64 def_mac[MLX4_MAX_PORTS + 1];
372 int eth_mtu_cap[MLX4_MAX_PORTS + 1];
373 int gid_table_len[MLX4_MAX_PORTS + 1];
374 int pkey_table_len[MLX4_MAX_PORTS + 1];
375 int trans_type[MLX4_MAX_PORTS + 1];
376 int vendor_oui[MLX4_MAX_PORTS + 1];
377 int wavelength[MLX4_MAX_PORTS + 1];
378 u64 trans_code[MLX4_MAX_PORTS + 1];
379 int local_ca_ack_delay;
380 int num_uars;
381 u32 uar_page_size;
382 int bf_reg_size;
383 int bf_regs_per_page;
384 int max_sq_sg;
385 int max_rq_sg;
386 int num_qps;
387 int max_wqes;
388 int max_sq_desc_sz;
389 int max_rq_desc_sz;
390 int max_qp_init_rdma;
391 int max_qp_dest_rdma;
392 u32 *qp0_proxy;
393 u32 *qp1_proxy;
394 u32 *qp0_tunnel;
395 u32 *qp1_tunnel;
396 int num_srqs;
397 int max_srq_wqes;
398 int max_srq_sge;
399 int reserved_srqs;
400 int num_cqs;
401 int max_cqes;
402 int reserved_cqs;
403 int num_eqs;
404 int reserved_eqs;
405 int num_comp_vectors;
406 int comp_pool;
407 int num_mpts;
408 int max_fmr_maps;
409 int num_mtts;
410 int fmr_reserved_mtts;
411 int reserved_mtts;
412 int reserved_mrws;
413 int reserved_uars;
414 int num_mgms;
415 int num_amgms;
416 int reserved_mcgs;
417 int num_qp_per_mgm;
418 int steering_mode;
419 int fs_log_max_ucast_qp_range_size;
420 int num_pds;
421 int reserved_pds;
422 int max_xrcds;
423 int reserved_xrcds;
424 int mtt_entry_sz;
425 u32 max_msg_sz;
426 u32 page_size_cap;
427 u64 flags;
428 u64 flags2;
429 u32 bmme_flags;
430 u32 reserved_lkey;
431 u16 stat_rate_support;
432 u8 port_width_cap[MLX4_MAX_PORTS + 1];
433 int max_gso_sz;
434 int max_rss_tbl_sz;
435 int reserved_qps_cnt[MLX4_NUM_QP_REGION];
436 int reserved_qps;
437 int reserved_qps_base[MLX4_NUM_QP_REGION];
438 int log_num_macs;
439 int log_num_vlans;
440 int log_num_prios;
441 enum mlx4_port_type port_type[MLX4_MAX_PORTS + 1];
442 u8 supported_type[MLX4_MAX_PORTS + 1];
443 u8 suggested_type[MLX4_MAX_PORTS + 1];
444 u8 default_sense[MLX4_MAX_PORTS + 1];
445 u32 port_mask[MLX4_MAX_PORTS + 1];
446 enum mlx4_port_type possible_type[MLX4_MAX_PORTS + 1];
447 u32 max_counters;
448 u8 port_ib_mtu[MLX4_MAX_PORTS + 1];
449 u16 sqp_demux;
450 u32 eqe_size;
451 u32 cqe_size;
452 u8 eqe_factor;
453 u32 userspace_caps; /* userspace must be aware of these */
454 u32 function_caps; /* VFs must be aware of these */
455 u16 hca_core_clock;
456 };
457
458 struct mlx4_buf_list {
459 void *buf;
460 dma_addr_t map;
461 };
462
463 struct mlx4_buf {
464 struct mlx4_buf_list direct;
465 struct mlx4_buf_list *page_list;
466 int nbufs;
467 int npages;
468 int page_shift;
469 };
470
471 struct mlx4_mtt {
472 u32 offset;
473 int order;
474 int page_shift;
475 };
476
477 enum {
478 MLX4_DB_PER_PAGE = PAGE_SIZE / 4
479 };
480
481 struct mlx4_db_pgdir {
482 struct list_head list;
483 DECLARE_BITMAP(order0, MLX4_DB_PER_PAGE);
484 DECLARE_BITMAP(order1, MLX4_DB_PER_PAGE / 2);
485 unsigned long *bits[2];
486 __be32 *db_page;
487 dma_addr_t db_dma;
488 };
489
490 struct mlx4_ib_user_db_page;
491
492 struct mlx4_db {
493 __be32 *db;
494 union {
495 struct mlx4_db_pgdir *pgdir;
496 struct mlx4_ib_user_db_page *user_page;
497 } u;
498 dma_addr_t dma;
499 int index;
500 int order;
501 };
502
503 struct mlx4_hwq_resources {
504 struct mlx4_db db;
505 struct mlx4_mtt mtt;
506 struct mlx4_buf buf;
507 };
508
509 struct mlx4_mr {
510 struct mlx4_mtt mtt;
511 u64 iova;
512 u64 size;
513 u32 key;
514 u32 pd;
515 u32 access;
516 int enabled;
517 };
518
519 enum mlx4_mw_type {
520 MLX4_MW_TYPE_1 = 1,
521 MLX4_MW_TYPE_2 = 2,
522 };
523
524 struct mlx4_mw {
525 u32 key;
526 u32 pd;
527 enum mlx4_mw_type type;
528 int enabled;
529 };
530
531 struct mlx4_fmr {
532 struct mlx4_mr mr;
533 struct mlx4_mpt_entry *mpt;
534 __be64 *mtts;
535 dma_addr_t dma_handle;
536 int max_pages;
537 int max_maps;
538 int maps;
539 u8 page_shift;
540 };
541
542 struct mlx4_uar {
543 unsigned long pfn;
544 int index;
545 struct list_head bf_list;
546 unsigned free_bf_bmap;
547 void __iomem *map;
548 void __iomem *bf_map;
549 };
550
551 struct mlx4_bf {
552 unsigned long offset;
553 int buf_size;
554 struct mlx4_uar *uar;
555 void __iomem *reg;
556 };
557
558 struct mlx4_cq {
559 void (*comp) (struct mlx4_cq *);
560 void (*event) (struct mlx4_cq *, enum mlx4_event);
561
562 struct mlx4_uar *uar;
563
564 u32 cons_index;
565
566 __be32 *set_ci_db;
567 __be32 *arm_db;
568 int arm_sn;
569
570 int cqn;
571 unsigned vector;
572
573 atomic_t refcount;
574 struct completion free;
575 };
576
577 struct mlx4_qp {
578 void (*event) (struct mlx4_qp *, enum mlx4_event);
579
580 int qpn;
581
582 atomic_t refcount;
583 struct completion free;
584 };
585
586 struct mlx4_srq {
587 void (*event) (struct mlx4_srq *, enum mlx4_event);
588
589 int srqn;
590 int max;
591 int max_gs;
592 int wqe_shift;
593
594 atomic_t refcount;
595 struct completion free;
596 };
597
598 struct mlx4_av {
599 __be32 port_pd;
600 u8 reserved1;
601 u8 g_slid;
602 __be16 dlid;
603 u8 reserved2;
604 u8 gid_index;
605 u8 stat_rate;
606 u8 hop_limit;
607 __be32 sl_tclass_flowlabel;
608 u8 dgid[16];
609 };
610
611 struct mlx4_eth_av {
612 __be32 port_pd;
613 u8 reserved1;
614 u8 smac_idx;
615 u16 reserved2;
616 u8 reserved3;
617 u8 gid_index;
618 u8 stat_rate;
619 u8 hop_limit;
620 __be32 sl_tclass_flowlabel;
621 u8 dgid[16];
622 u32 reserved4[2];
623 __be16 vlan;
624 u8 mac[ETH_ALEN];
625 };
626
627 union mlx4_ext_av {
628 struct mlx4_av ib;
629 struct mlx4_eth_av eth;
630 };
631
632 struct mlx4_counter {
633 u8 reserved1[3];
634 u8 counter_mode;
635 __be32 num_ifc;
636 u32 reserved2[2];
637 __be64 rx_frames;
638 __be64 rx_bytes;
639 __be64 tx_frames;
640 __be64 tx_bytes;
641 };
642
643 struct mlx4_dev {
644 struct pci_dev *pdev;
645 unsigned long flags;
646 unsigned long num_slaves;
647 struct mlx4_caps caps;
648 struct mlx4_phys_caps phys_caps;
649 struct radix_tree_root qp_table_tree;
650 u8 rev_id;
651 char board_id[MLX4_BOARD_ID_LEN];
652 int num_vfs;
653 int oper_log_mgm_entry_size;
654 u64 regid_promisc_array[MLX4_MAX_PORTS + 1];
655 u64 regid_allmulti_array[MLX4_MAX_PORTS + 1];
656 };
657
658 struct mlx4_eqe {
659 u8 reserved1;
660 u8 type;
661 u8 reserved2;
662 u8 subtype;
663 union {
664 u32 raw[6];
665 struct {
666 __be32 cqn;
667 } __packed comp;
668 struct {
669 u16 reserved1;
670 __be16 token;
671 u32 reserved2;
672 u8 reserved3[3];
673 u8 status;
674 __be64 out_param;
675 } __packed cmd;
676 struct {
677 __be32 qpn;
678 } __packed qp;
679 struct {
680 __be32 srqn;
681 } __packed srq;
682 struct {
683 __be32 cqn;
684 u32 reserved1;
685 u8 reserved2[3];
686 u8 syndrome;
687 } __packed cq_err;
688 struct {
689 u32 reserved1[2];
690 __be32 port;
691 } __packed port_change;
692 struct {
693 #define COMM_CHANNEL_BIT_ARRAY_SIZE 4
694 u32 reserved;
695 u32 bit_vec[COMM_CHANNEL_BIT_ARRAY_SIZE];
696 } __packed comm_channel_arm;
697 struct {
698 u8 port;
699 u8 reserved[3];
700 __be64 mac;
701 } __packed mac_update;
702 struct {
703 __be32 slave_id;
704 } __packed flr_event;
705 struct {
706 __be16 current_temperature;
707 __be16 warning_threshold;
708 } __packed warming;
709 struct {
710 u8 reserved[3];
711 u8 port;
712 union {
713 struct {
714 __be16 mstr_sm_lid;
715 __be16 port_lid;
716 __be32 changed_attr;
717 u8 reserved[3];
718 u8 mstr_sm_sl;
719 __be64 gid_prefix;
720 } __packed port_info;
721 struct {
722 __be32 block_ptr;
723 __be32 tbl_entries_mask;
724 } __packed tbl_change_info;
725 } params;
726 } __packed port_mgmt_change;
727 } event;
728 u8 slave_id;
729 u8 reserved3[2];
730 u8 owner;
731 } __packed;
732
733 struct mlx4_init_port_param {
734 int set_guid0;
735 int set_node_guid;
736 int set_si_guid;
737 u16 mtu;
738 int port_width_cap;
739 u16 vl_cap;
740 u16 max_gid;
741 u16 max_pkey;
742 u64 guid0;
743 u64 node_guid;
744 u64 si_guid;
745 };
746
747 #define mlx4_foreach_port(port, dev, type) \
748 for ((port) = 1; (port) <= (dev)->caps.num_ports; (port)++) \
749 if ((type) == (dev)->caps.port_mask[(port)])
750
751 #define mlx4_foreach_non_ib_transport_port(port, dev) \
752 for ((port) = 1; (port) <= (dev)->caps.num_ports; (port)++) \
753 if (((dev)->caps.port_mask[port] != MLX4_PORT_TYPE_IB))
754
755 #define mlx4_foreach_ib_transport_port(port, dev) \
756 for ((port) = 1; (port) <= (dev)->caps.num_ports; (port)++) \
757 if (((dev)->caps.port_mask[port] == MLX4_PORT_TYPE_IB) || \
758 ((dev)->caps.flags & MLX4_DEV_CAP_FLAG_IBOE))
759
760 #define MLX4_INVALID_SLAVE_ID 0xFF
761
762 void handle_port_mgmt_change_event(struct work_struct *work);
763
764 static inline int mlx4_master_func_num(struct mlx4_dev *dev)
765 {
766 return dev->caps.function;
767 }
768
769 static inline int mlx4_is_master(struct mlx4_dev *dev)
770 {
771 return dev->flags & MLX4_FLAG_MASTER;
772 }
773
774 static inline int mlx4_is_qp_reserved(struct mlx4_dev *dev, u32 qpn)
775 {
776 return (qpn < dev->phys_caps.base_sqpn + 8 +
777 16 * MLX4_MFUNC_MAX * !!mlx4_is_master(dev));
778 }
779
780 static inline int mlx4_is_guest_proxy(struct mlx4_dev *dev, int slave, u32 qpn)
781 {
782 int guest_proxy_base = dev->phys_caps.base_proxy_sqpn + slave * 8;
783
784 if (qpn >= guest_proxy_base && qpn < guest_proxy_base + 8)
785 return 1;
786
787 return 0;
788 }
789
790 static inline int mlx4_is_mfunc(struct mlx4_dev *dev)
791 {
792 return dev->flags & (MLX4_FLAG_SLAVE | MLX4_FLAG_MASTER);
793 }
794
795 static inline int mlx4_is_slave(struct mlx4_dev *dev)
796 {
797 return dev->flags & MLX4_FLAG_SLAVE;
798 }
799
800 int mlx4_buf_alloc(struct mlx4_dev *dev, int size, int max_direct,
801 struct mlx4_buf *buf);
802 void mlx4_buf_free(struct mlx4_dev *dev, int size, struct mlx4_buf *buf);
803 static inline void *mlx4_buf_offset(struct mlx4_buf *buf, int offset)
804 {
805 if (BITS_PER_LONG == 64 || buf->nbufs == 1)
806 return buf->direct.buf + offset;
807 else
808 return buf->page_list[offset >> PAGE_SHIFT].buf +
809 (offset & (PAGE_SIZE - 1));
810 }
811
812 int mlx4_pd_alloc(struct mlx4_dev *dev, u32 *pdn);
813 void mlx4_pd_free(struct mlx4_dev *dev, u32 pdn);
814 int mlx4_xrcd_alloc(struct mlx4_dev *dev, u32 *xrcdn);
815 void mlx4_xrcd_free(struct mlx4_dev *dev, u32 xrcdn);
816
817 int mlx4_uar_alloc(struct mlx4_dev *dev, struct mlx4_uar *uar);
818 void mlx4_uar_free(struct mlx4_dev *dev, struct mlx4_uar *uar);
819 int mlx4_bf_alloc(struct mlx4_dev *dev, struct mlx4_bf *bf);
820 void mlx4_bf_free(struct mlx4_dev *dev, struct mlx4_bf *bf);
821
822 int mlx4_mtt_init(struct mlx4_dev *dev, int npages, int page_shift,
823 struct mlx4_mtt *mtt);
824 void mlx4_mtt_cleanup(struct mlx4_dev *dev, struct mlx4_mtt *mtt);
825 u64 mlx4_mtt_addr(struct mlx4_dev *dev, struct mlx4_mtt *mtt);
826
827 int mlx4_mr_alloc(struct mlx4_dev *dev, u32 pd, u64 iova, u64 size, u32 access,
828 int npages, int page_shift, struct mlx4_mr *mr);
829 int mlx4_mr_free(struct mlx4_dev *dev, struct mlx4_mr *mr);
830 int mlx4_mr_enable(struct mlx4_dev *dev, struct mlx4_mr *mr);
831 int mlx4_mw_alloc(struct mlx4_dev *dev, u32 pd, enum mlx4_mw_type type,
832 struct mlx4_mw *mw);
833 void mlx4_mw_free(struct mlx4_dev *dev, struct mlx4_mw *mw);
834 int mlx4_mw_enable(struct mlx4_dev *dev, struct mlx4_mw *mw);
835 int mlx4_write_mtt(struct mlx4_dev *dev, struct mlx4_mtt *mtt,
836 int start_index, int npages, u64 *page_list);
837 int mlx4_buf_write_mtt(struct mlx4_dev *dev, struct mlx4_mtt *mtt,
838 struct mlx4_buf *buf);
839
840 int mlx4_db_alloc(struct mlx4_dev *dev, struct mlx4_db *db, int order);
841 void mlx4_db_free(struct mlx4_dev *dev, struct mlx4_db *db);
842
843 int mlx4_alloc_hwq_res(struct mlx4_dev *dev, struct mlx4_hwq_resources *wqres,
844 int size, int max_direct);
845 void mlx4_free_hwq_res(struct mlx4_dev *mdev, struct mlx4_hwq_resources *wqres,
846 int size);
847
848 int mlx4_cq_alloc(struct mlx4_dev *dev, int nent, struct mlx4_mtt *mtt,
849 struct mlx4_uar *uar, u64 db_rec, struct mlx4_cq *cq,
850 unsigned vector, int collapsed, int timestamp_en);
851 void mlx4_cq_free(struct mlx4_dev *dev, struct mlx4_cq *cq);
852
853 int mlx4_qp_reserve_range(struct mlx4_dev *dev, int cnt, int align, int *base);
854 void mlx4_qp_release_range(struct mlx4_dev *dev, int base_qpn, int cnt);
855
856 int mlx4_qp_alloc(struct mlx4_dev *dev, int qpn, struct mlx4_qp *qp);
857 void mlx4_qp_free(struct mlx4_dev *dev, struct mlx4_qp *qp);
858
859 int mlx4_srq_alloc(struct mlx4_dev *dev, u32 pdn, u32 cqn, u16 xrcdn,
860 struct mlx4_mtt *mtt, u64 db_rec, struct mlx4_srq *srq);
861 void mlx4_srq_free(struct mlx4_dev *dev, struct mlx4_srq *srq);
862 int mlx4_srq_arm(struct mlx4_dev *dev, struct mlx4_srq *srq, int limit_watermark);
863 int mlx4_srq_query(struct mlx4_dev *dev, struct mlx4_srq *srq, int *limit_watermark);
864
865 int mlx4_INIT_PORT(struct mlx4_dev *dev, int port);
866 int mlx4_CLOSE_PORT(struct mlx4_dev *dev, int port);
867
868 int mlx4_unicast_attach(struct mlx4_dev *dev, struct mlx4_qp *qp, u8 gid[16],
869 int block_mcast_loopback, enum mlx4_protocol prot);
870 int mlx4_unicast_detach(struct mlx4_dev *dev, struct mlx4_qp *qp, u8 gid[16],
871 enum mlx4_protocol prot);
872 int mlx4_multicast_attach(struct mlx4_dev *dev, struct mlx4_qp *qp, u8 gid[16],
873 u8 port, int block_mcast_loopback,
874 enum mlx4_protocol protocol, u64 *reg_id);
875 int mlx4_multicast_detach(struct mlx4_dev *dev, struct mlx4_qp *qp, u8 gid[16],
876 enum mlx4_protocol protocol, u64 reg_id);
877
878 enum {
879 MLX4_DOMAIN_UVERBS = 0x1000,
880 MLX4_DOMAIN_ETHTOOL = 0x2000,
881 MLX4_DOMAIN_RFS = 0x3000,
882 MLX4_DOMAIN_NIC = 0x5000,
883 };
884
885 enum mlx4_net_trans_rule_id {
886 MLX4_NET_TRANS_RULE_ID_ETH = 0,
887 MLX4_NET_TRANS_RULE_ID_IB,
888 MLX4_NET_TRANS_RULE_ID_IPV6,
889 MLX4_NET_TRANS_RULE_ID_IPV4,
890 MLX4_NET_TRANS_RULE_ID_TCP,
891 MLX4_NET_TRANS_RULE_ID_UDP,
892 MLX4_NET_TRANS_RULE_NUM, /* should be last */
893 };
894
895 extern const u16 __sw_id_hw[];
896
897 static inline int map_hw_to_sw_id(u16 header_id)
898 {
899
900 int i;
901 for (i = 0; i < MLX4_NET_TRANS_RULE_NUM; i++) {
902 if (header_id == __sw_id_hw[i])
903 return i;
904 }
905 return -EINVAL;
906 }
907
908 enum mlx4_net_trans_promisc_mode {
909 MLX4_FS_REGULAR = 1,
910 MLX4_FS_ALL_DEFAULT,
911 MLX4_FS_MC_DEFAULT,
912 MLX4_FS_UC_SNIFFER,
913 MLX4_FS_MC_SNIFFER,
914 MLX4_FS_MODE_NUM, /* should be last */
915 };
916
917 struct mlx4_spec_eth {
918 u8 dst_mac[ETH_ALEN];
919 u8 dst_mac_msk[ETH_ALEN];
920 u8 src_mac[ETH_ALEN];
921 u8 src_mac_msk[ETH_ALEN];
922 u8 ether_type_enable;
923 __be16 ether_type;
924 __be16 vlan_id_msk;
925 __be16 vlan_id;
926 };
927
928 struct mlx4_spec_tcp_udp {
929 __be16 dst_port;
930 __be16 dst_port_msk;
931 __be16 src_port;
932 __be16 src_port_msk;
933 };
934
935 struct mlx4_spec_ipv4 {
936 __be32 dst_ip;
937 __be32 dst_ip_msk;
938 __be32 src_ip;
939 __be32 src_ip_msk;
940 };
941
942 struct mlx4_spec_ib {
943 __be32 l3_qpn;
944 __be32 qpn_msk;
945 u8 dst_gid[16];
946 u8 dst_gid_msk[16];
947 };
948
949 struct mlx4_spec_list {
950 struct list_head list;
951 enum mlx4_net_trans_rule_id id;
952 union {
953 struct mlx4_spec_eth eth;
954 struct mlx4_spec_ib ib;
955 struct mlx4_spec_ipv4 ipv4;
956 struct mlx4_spec_tcp_udp tcp_udp;
957 };
958 };
959
960 enum mlx4_net_trans_hw_rule_queue {
961 MLX4_NET_TRANS_Q_FIFO,
962 MLX4_NET_TRANS_Q_LIFO,
963 };
964
965 struct mlx4_net_trans_rule {
966 struct list_head list;
967 enum mlx4_net_trans_hw_rule_queue queue_mode;
968 bool exclusive;
969 bool allow_loopback;
970 enum mlx4_net_trans_promisc_mode promisc_mode;
971 u8 port;
972 u16 priority;
973 u32 qpn;
974 };
975
976 struct mlx4_net_trans_rule_hw_ctrl {
977 __be16 prio;
978 u8 type;
979 u8 flags;
980 u8 rsvd1;
981 u8 funcid;
982 u8 vep;
983 u8 port;
984 __be32 qpn;
985 __be32 rsvd2;
986 };
987
988 struct mlx4_net_trans_rule_hw_ib {
989 u8 size;
990 u8 rsvd1;
991 __be16 id;
992 u32 rsvd2;
993 __be32 l3_qpn;
994 __be32 qpn_mask;
995 u8 dst_gid[16];
996 u8 dst_gid_msk[16];
997 } __packed;
998
999 struct mlx4_net_trans_rule_hw_eth {
1000 u8 size;
1001 u8 rsvd;
1002 __be16 id;
1003 u8 rsvd1[6];
1004 u8 dst_mac[6];
1005 u16 rsvd2;
1006 u8 dst_mac_msk[6];
1007 u16 rsvd3;
1008 u8 src_mac[6];
1009 u16 rsvd4;
1010 u8 src_mac_msk[6];
1011 u8 rsvd5;
1012 u8 ether_type_enable;
1013 __be16 ether_type;
1014 __be16 vlan_tag_msk;
1015 __be16 vlan_tag;
1016 } __packed;
1017
1018 struct mlx4_net_trans_rule_hw_tcp_udp {
1019 u8 size;
1020 u8 rsvd;
1021 __be16 id;
1022 __be16 rsvd1[3];
1023 __be16 dst_port;
1024 __be16 rsvd2;
1025 __be16 dst_port_msk;
1026 __be16 rsvd3;
1027 __be16 src_port;
1028 __be16 rsvd4;
1029 __be16 src_port_msk;
1030 } __packed;
1031
1032 struct mlx4_net_trans_rule_hw_ipv4 {
1033 u8 size;
1034 u8 rsvd;
1035 __be16 id;
1036 __be32 rsvd1;
1037 __be32 dst_ip;
1038 __be32 dst_ip_msk;
1039 __be32 src_ip;
1040 __be32 src_ip_msk;
1041 } __packed;
1042
1043 struct _rule_hw {
1044 union {
1045 struct {
1046 u8 size;
1047 u8 rsvd;
1048 __be16 id;
1049 };
1050 struct mlx4_net_trans_rule_hw_eth eth;
1051 struct mlx4_net_trans_rule_hw_ib ib;
1052 struct mlx4_net_trans_rule_hw_ipv4 ipv4;
1053 struct mlx4_net_trans_rule_hw_tcp_udp tcp_udp;
1054 };
1055 };
1056
1057 int mlx4_flow_steer_promisc_add(struct mlx4_dev *dev, u8 port, u32 qpn,
1058 enum mlx4_net_trans_promisc_mode mode);
1059 int mlx4_flow_steer_promisc_remove(struct mlx4_dev *dev, u8 port,
1060 enum mlx4_net_trans_promisc_mode mode);
1061 int mlx4_multicast_promisc_add(struct mlx4_dev *dev, u32 qpn, u8 port);
1062 int mlx4_multicast_promisc_remove(struct mlx4_dev *dev, u32 qpn, u8 port);
1063 int mlx4_unicast_promisc_add(struct mlx4_dev *dev, u32 qpn, u8 port);
1064 int mlx4_unicast_promisc_remove(struct mlx4_dev *dev, u32 qpn, u8 port);
1065 int mlx4_SET_MCAST_FLTR(struct mlx4_dev *dev, u8 port, u64 mac, u64 clear, u8 mode);
1066
1067 int mlx4_register_mac(struct mlx4_dev *dev, u8 port, u64 mac);
1068 void mlx4_unregister_mac(struct mlx4_dev *dev, u8 port, u64 mac);
1069 int mlx4_get_base_qpn(struct mlx4_dev *dev, u8 port);
1070 int __mlx4_replace_mac(struct mlx4_dev *dev, u8 port, int qpn, u64 new_mac);
1071 void mlx4_set_stats_bitmap(struct mlx4_dev *dev, u64 *stats_bitmap);
1072 int mlx4_SET_PORT_general(struct mlx4_dev *dev, u8 port, int mtu,
1073 u8 pptx, u8 pfctx, u8 pprx, u8 pfcrx);
1074 int mlx4_SET_PORT_qpn_calc(struct mlx4_dev *dev, u8 port, u32 base_qpn,
1075 u8 promisc);
1076 int mlx4_SET_PORT_PRIO2TC(struct mlx4_dev *dev, u8 port, u8 *prio2tc);
1077 int mlx4_SET_PORT_SCHEDULER(struct mlx4_dev *dev, u8 port, u8 *tc_tx_bw,
1078 u8 *pg, u16 *ratelimit);
1079 int mlx4_find_cached_vlan(struct mlx4_dev *dev, u8 port, u16 vid, int *idx);
1080 int mlx4_register_vlan(struct mlx4_dev *dev, u8 port, u16 vlan, int *index);
1081 void mlx4_unregister_vlan(struct mlx4_dev *dev, u8 port, int index);
1082
1083 int mlx4_map_phys_fmr(struct mlx4_dev *dev, struct mlx4_fmr *fmr, u64 *page_list,
1084 int npages, u64 iova, u32 *lkey, u32 *rkey);
1085 int mlx4_fmr_alloc(struct mlx4_dev *dev, u32 pd, u32 access, int max_pages,
1086 int max_maps, u8 page_shift, struct mlx4_fmr *fmr);
1087 int mlx4_fmr_enable(struct mlx4_dev *dev, struct mlx4_fmr *fmr);
1088 void mlx4_fmr_unmap(struct mlx4_dev *dev, struct mlx4_fmr *fmr,
1089 u32 *lkey, u32 *rkey);
1090 int mlx4_fmr_free(struct mlx4_dev *dev, struct mlx4_fmr *fmr);
1091 int mlx4_SYNC_TPT(struct mlx4_dev *dev);
1092 int mlx4_test_interrupts(struct mlx4_dev *dev);
1093 int mlx4_assign_eq(struct mlx4_dev *dev, char *name, struct cpu_rmap *rmap,
1094 int *vector);
1095 void mlx4_release_eq(struct mlx4_dev *dev, int vec);
1096
1097 int mlx4_wol_read(struct mlx4_dev *dev, u64 *config, int port);
1098 int mlx4_wol_write(struct mlx4_dev *dev, u64 config, int port);
1099
1100 int mlx4_counter_alloc(struct mlx4_dev *dev, u32 *idx);
1101 void mlx4_counter_free(struct mlx4_dev *dev, u32 idx);
1102
1103 int mlx4_flow_attach(struct mlx4_dev *dev,
1104 struct mlx4_net_trans_rule *rule, u64 *reg_id);
1105 int mlx4_flow_detach(struct mlx4_dev *dev, u64 reg_id);
1106 int mlx4_map_sw_to_hw_steering_mode(struct mlx4_dev *dev,
1107 enum mlx4_net_trans_promisc_mode flow_type);
1108 int mlx4_map_sw_to_hw_steering_id(struct mlx4_dev *dev,
1109 enum mlx4_net_trans_rule_id id);
1110 int mlx4_hw_rule_sz(struct mlx4_dev *dev, enum mlx4_net_trans_rule_id id);
1111
1112 void mlx4_sync_pkey_table(struct mlx4_dev *dev, int slave, int port,
1113 int i, int val);
1114
1115 int mlx4_get_parav_qkey(struct mlx4_dev *dev, u32 qpn, u32 *qkey);
1116
1117 int mlx4_is_slave_active(struct mlx4_dev *dev, int slave);
1118 int mlx4_gen_pkey_eqe(struct mlx4_dev *dev, int slave, u8 port);
1119 int mlx4_gen_guid_change_eqe(struct mlx4_dev *dev, int slave, u8 port);
1120 int mlx4_gen_slaves_port_mgt_ev(struct mlx4_dev *dev, u8 port, int attr);
1121 int mlx4_gen_port_state_change_eqe(struct mlx4_dev *dev, int slave, u8 port, u8 port_subtype_change);
1122 enum slave_port_state mlx4_get_slave_port_state(struct mlx4_dev *dev, int slave, u8 port);
1123 int set_and_calc_slave_port_state(struct mlx4_dev *dev, int slave, u8 port, int event, enum slave_port_gen_event *gen_event);
1124
1125 void mlx4_put_slave_node_guid(struct mlx4_dev *dev, int slave, __be64 guid);
1126 __be64 mlx4_get_slave_node_guid(struct mlx4_dev *dev, int slave);
1127
1128 cycle_t mlx4_read_clock(struct mlx4_dev *dev);
1129
1130 #endif /* MLX4_DEVICE_H */
Linux kernel - Deliverables
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