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Merge tag 'for-4.2' of git://git.infradead.org/battery-2.6
[mirror_ubuntu-focal-kernel.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 #include <linux/crash_dump.h>
42
43 #include <linux/atomic.h>
44
45 #include <linux/timecounter.h>
46
47 #define MAX_MSIX_P_PORT 17
48 #define MAX_MSIX 64
49 #define MSIX_LEGACY_SZ 4
50 #define MIN_MSIX_P_PORT 5
51
52 #define MLX4_MAX_100M_UNITS_VAL 255 /*
53 * work around: can't set values
54 * greater then this value when
55 * using 100 Mbps units.
56 */
57 #define MLX4_RATELIMIT_100M_UNITS 3 /* 100 Mbps */
58 #define MLX4_RATELIMIT_1G_UNITS 4 /* 1 Gbps */
59 #define MLX4_RATELIMIT_DEFAULT 0x00ff
60
61 #define MLX4_ROCE_MAX_GIDS 128
62 #define MLX4_ROCE_PF_GIDS 16
63
64 enum {
65 MLX4_FLAG_MSI_X = 1 << 0,
66 MLX4_FLAG_OLD_PORT_CMDS = 1 << 1,
67 MLX4_FLAG_MASTER = 1 << 2,
68 MLX4_FLAG_SLAVE = 1 << 3,
69 MLX4_FLAG_SRIOV = 1 << 4,
70 MLX4_FLAG_OLD_REG_MAC = 1 << 6,
71 MLX4_FLAG_BONDED = 1 << 7
72 };
73
74 enum {
75 MLX4_PORT_CAP_IS_SM = 1 << 1,
76 MLX4_PORT_CAP_DEV_MGMT_SUP = 1 << 19,
77 };
78
79 enum {
80 MLX4_MAX_PORTS = 2,
81 MLX4_MAX_PORT_PKEYS = 128
82 };
83
84 /* base qkey for use in sriov tunnel-qp/proxy-qp communication.
85 * These qkeys must not be allowed for general use. This is a 64k range,
86 * and to test for violation, we use the mask (protect against future chg).
87 */
88 #define MLX4_RESERVED_QKEY_BASE (0xFFFF0000)
89 #define MLX4_RESERVED_QKEY_MASK (0xFFFF0000)
90
91 enum {
92 MLX4_BOARD_ID_LEN = 64
93 };
94
95 enum {
96 MLX4_MAX_NUM_PF = 16,
97 MLX4_MAX_NUM_VF = 126,
98 MLX4_MAX_NUM_VF_P_PORT = 64,
99 MLX4_MFUNC_MAX = 128,
100 MLX4_MAX_EQ_NUM = 1024,
101 MLX4_MFUNC_EQ_NUM = 4,
102 MLX4_MFUNC_MAX_EQES = 8,
103 MLX4_MFUNC_EQE_MASK = (MLX4_MFUNC_MAX_EQES - 1)
104 };
105
106 /* Driver supports 3 diffrent device methods to manage traffic steering:
107 * -device managed - High level API for ib and eth flow steering. FW is
108 * managing flow steering tables.
109 * - B0 steering mode - Common low level API for ib and (if supported) eth.
110 * - A0 steering mode - Limited low level API for eth. In case of IB,
111 * B0 mode is in use.
112 */
113 enum {
114 MLX4_STEERING_MODE_A0,
115 MLX4_STEERING_MODE_B0,
116 MLX4_STEERING_MODE_DEVICE_MANAGED
117 };
118
119 enum {
120 MLX4_STEERING_DMFS_A0_DEFAULT,
121 MLX4_STEERING_DMFS_A0_DYNAMIC,
122 MLX4_STEERING_DMFS_A0_STATIC,
123 MLX4_STEERING_DMFS_A0_DISABLE,
124 MLX4_STEERING_DMFS_A0_NOT_SUPPORTED
125 };
126
127 static inline const char *mlx4_steering_mode_str(int steering_mode)
128 {
129 switch (steering_mode) {
130 case MLX4_STEERING_MODE_A0:
131 return "A0 steering";
132
133 case MLX4_STEERING_MODE_B0:
134 return "B0 steering";
135
136 case MLX4_STEERING_MODE_DEVICE_MANAGED:
137 return "Device managed flow steering";
138
139 default:
140 return "Unrecognize steering mode";
141 }
142 }
143
144 enum {
145 MLX4_TUNNEL_OFFLOAD_MODE_NONE,
146 MLX4_TUNNEL_OFFLOAD_MODE_VXLAN
147 };
148
149 enum {
150 MLX4_DEV_CAP_FLAG_RC = 1LL << 0,
151 MLX4_DEV_CAP_FLAG_UC = 1LL << 1,
152 MLX4_DEV_CAP_FLAG_UD = 1LL << 2,
153 MLX4_DEV_CAP_FLAG_XRC = 1LL << 3,
154 MLX4_DEV_CAP_FLAG_SRQ = 1LL << 6,
155 MLX4_DEV_CAP_FLAG_IPOIB_CSUM = 1LL << 7,
156 MLX4_DEV_CAP_FLAG_BAD_PKEY_CNTR = 1LL << 8,
157 MLX4_DEV_CAP_FLAG_BAD_QKEY_CNTR = 1LL << 9,
158 MLX4_DEV_CAP_FLAG_DPDP = 1LL << 12,
159 MLX4_DEV_CAP_FLAG_BLH = 1LL << 15,
160 MLX4_DEV_CAP_FLAG_MEM_WINDOW = 1LL << 16,
161 MLX4_DEV_CAP_FLAG_APM = 1LL << 17,
162 MLX4_DEV_CAP_FLAG_ATOMIC = 1LL << 18,
163 MLX4_DEV_CAP_FLAG_RAW_MCAST = 1LL << 19,
164 MLX4_DEV_CAP_FLAG_UD_AV_PORT = 1LL << 20,
165 MLX4_DEV_CAP_FLAG_UD_MCAST = 1LL << 21,
166 MLX4_DEV_CAP_FLAG_IBOE = 1LL << 30,
167 MLX4_DEV_CAP_FLAG_UC_LOOPBACK = 1LL << 32,
168 MLX4_DEV_CAP_FLAG_FCS_KEEP = 1LL << 34,
169 MLX4_DEV_CAP_FLAG_WOL_PORT1 = 1LL << 37,
170 MLX4_DEV_CAP_FLAG_WOL_PORT2 = 1LL << 38,
171 MLX4_DEV_CAP_FLAG_UDP_RSS = 1LL << 40,
172 MLX4_DEV_CAP_FLAG_VEP_UC_STEER = 1LL << 41,
173 MLX4_DEV_CAP_FLAG_VEP_MC_STEER = 1LL << 42,
174 MLX4_DEV_CAP_FLAG_COUNTERS = 1LL << 48,
175 MLX4_DEV_CAP_FLAG_RSS_IP_FRAG = 1LL << 52,
176 MLX4_DEV_CAP_FLAG_SET_ETH_SCHED = 1LL << 53,
177 MLX4_DEV_CAP_FLAG_SENSE_SUPPORT = 1LL << 55,
178 MLX4_DEV_CAP_FLAG_PORT_MNG_CHG_EV = 1LL << 59,
179 MLX4_DEV_CAP_FLAG_64B_EQE = 1LL << 61,
180 MLX4_DEV_CAP_FLAG_64B_CQE = 1LL << 62
181 };
182
183 enum {
184 MLX4_DEV_CAP_FLAG2_RSS = 1LL << 0,
185 MLX4_DEV_CAP_FLAG2_RSS_TOP = 1LL << 1,
186 MLX4_DEV_CAP_FLAG2_RSS_XOR = 1LL << 2,
187 MLX4_DEV_CAP_FLAG2_FS_EN = 1LL << 3,
188 MLX4_DEV_CAP_FLAG2_REASSIGN_MAC_EN = 1LL << 4,
189 MLX4_DEV_CAP_FLAG2_TS = 1LL << 5,
190 MLX4_DEV_CAP_FLAG2_VLAN_CONTROL = 1LL << 6,
191 MLX4_DEV_CAP_FLAG2_FSM = 1LL << 7,
192 MLX4_DEV_CAP_FLAG2_UPDATE_QP = 1LL << 8,
193 MLX4_DEV_CAP_FLAG2_DMFS_IPOIB = 1LL << 9,
194 MLX4_DEV_CAP_FLAG2_VXLAN_OFFLOADS = 1LL << 10,
195 MLX4_DEV_CAP_FLAG2_MAD_DEMUX = 1LL << 11,
196 MLX4_DEV_CAP_FLAG2_CQE_STRIDE = 1LL << 12,
197 MLX4_DEV_CAP_FLAG2_EQE_STRIDE = 1LL << 13,
198 MLX4_DEV_CAP_FLAG2_ETH_PROT_CTRL = 1LL << 14,
199 MLX4_DEV_CAP_FLAG2_ETH_BACKPL_AN_REP = 1LL << 15,
200 MLX4_DEV_CAP_FLAG2_CONFIG_DEV = 1LL << 16,
201 MLX4_DEV_CAP_FLAG2_SYS_EQS = 1LL << 17,
202 MLX4_DEV_CAP_FLAG2_80_VFS = 1LL << 18,
203 MLX4_DEV_CAP_FLAG2_FS_A0 = 1LL << 19,
204 MLX4_DEV_CAP_FLAG2_RECOVERABLE_ERROR_EVENT = 1LL << 20,
205 MLX4_DEV_CAP_FLAG2_PORT_REMAP = 1LL << 21,
206 MLX4_DEV_CAP_FLAG2_QCN = 1LL << 22,
207 MLX4_DEV_CAP_FLAG2_QP_RATE_LIMIT = 1LL << 23,
208 MLX4_DEV_CAP_FLAG2_FLOWSTATS_EN = 1LL << 24,
209 MLX4_DEV_CAP_FLAG2_QOS_VPP = 1LL << 25,
210 MLX4_DEV_CAP_FLAG2_ETS_CFG = 1LL << 26,
211 MLX4_DEV_CAP_FLAG2_PORT_BEACON = 1LL << 27,
212 MLX4_DEV_CAP_FLAG2_IGNORE_FCS = 1LL << 28,
213 };
214
215 enum {
216 MLX4_QUERY_FUNC_FLAGS_BF_RES_QP = 1LL << 0,
217 MLX4_QUERY_FUNC_FLAGS_A0_RES_QP = 1LL << 1
218 };
219
220 enum {
221 MLX4_VF_CAP_FLAG_RESET = 1 << 0
222 };
223
224 /* bit enums for an 8-bit flags field indicating special use
225 * QPs which require special handling in qp_reserve_range.
226 * Currently, this only includes QPs used by the ETH interface,
227 * where we expect to use blueflame. These QPs must not have
228 * bits 6 and 7 set in their qp number.
229 *
230 * This enum may use only bits 0..7.
231 */
232 enum {
233 MLX4_RESERVE_A0_QP = 1 << 6,
234 MLX4_RESERVE_ETH_BF_QP = 1 << 7,
235 };
236
237 enum {
238 MLX4_DEV_CAP_64B_EQE_ENABLED = 1LL << 0,
239 MLX4_DEV_CAP_64B_CQE_ENABLED = 1LL << 1,
240 MLX4_DEV_CAP_CQE_STRIDE_ENABLED = 1LL << 2,
241 MLX4_DEV_CAP_EQE_STRIDE_ENABLED = 1LL << 3
242 };
243
244 enum {
245 MLX4_USER_DEV_CAP_LARGE_CQE = 1L << 0
246 };
247
248 enum {
249 MLX4_FUNC_CAP_64B_EQE_CQE = 1L << 0,
250 MLX4_FUNC_CAP_EQE_CQE_STRIDE = 1L << 1,
251 MLX4_FUNC_CAP_DMFS_A0_STATIC = 1L << 2
252 };
253
254
255 #define MLX4_ATTR_EXTENDED_PORT_INFO cpu_to_be16(0xff90)
256
257 enum {
258 MLX4_BMME_FLAG_WIN_TYPE_2B = 1 << 1,
259 MLX4_BMME_FLAG_LOCAL_INV = 1 << 6,
260 MLX4_BMME_FLAG_REMOTE_INV = 1 << 7,
261 MLX4_BMME_FLAG_TYPE_2_WIN = 1 << 9,
262 MLX4_BMME_FLAG_RESERVED_LKEY = 1 << 10,
263 MLX4_BMME_FLAG_FAST_REG_WR = 1 << 11,
264 MLX4_BMME_FLAG_PORT_REMAP = 1 << 24,
265 MLX4_BMME_FLAG_VSD_INIT2RTR = 1 << 28,
266 };
267
268 enum {
269 MLX4_FLAG_PORT_REMAP = MLX4_BMME_FLAG_PORT_REMAP
270 };
271
272 enum mlx4_event {
273 MLX4_EVENT_TYPE_COMP = 0x00,
274 MLX4_EVENT_TYPE_PATH_MIG = 0x01,
275 MLX4_EVENT_TYPE_COMM_EST = 0x02,
276 MLX4_EVENT_TYPE_SQ_DRAINED = 0x03,
277 MLX4_EVENT_TYPE_SRQ_QP_LAST_WQE = 0x13,
278 MLX4_EVENT_TYPE_SRQ_LIMIT = 0x14,
279 MLX4_EVENT_TYPE_CQ_ERROR = 0x04,
280 MLX4_EVENT_TYPE_WQ_CATAS_ERROR = 0x05,
281 MLX4_EVENT_TYPE_EEC_CATAS_ERROR = 0x06,
282 MLX4_EVENT_TYPE_PATH_MIG_FAILED = 0x07,
283 MLX4_EVENT_TYPE_WQ_INVAL_REQ_ERROR = 0x10,
284 MLX4_EVENT_TYPE_WQ_ACCESS_ERROR = 0x11,
285 MLX4_EVENT_TYPE_SRQ_CATAS_ERROR = 0x12,
286 MLX4_EVENT_TYPE_LOCAL_CATAS_ERROR = 0x08,
287 MLX4_EVENT_TYPE_PORT_CHANGE = 0x09,
288 MLX4_EVENT_TYPE_EQ_OVERFLOW = 0x0f,
289 MLX4_EVENT_TYPE_ECC_DETECT = 0x0e,
290 MLX4_EVENT_TYPE_CMD = 0x0a,
291 MLX4_EVENT_TYPE_VEP_UPDATE = 0x19,
292 MLX4_EVENT_TYPE_COMM_CHANNEL = 0x18,
293 MLX4_EVENT_TYPE_OP_REQUIRED = 0x1a,
294 MLX4_EVENT_TYPE_FATAL_WARNING = 0x1b,
295 MLX4_EVENT_TYPE_FLR_EVENT = 0x1c,
296 MLX4_EVENT_TYPE_PORT_MNG_CHG_EVENT = 0x1d,
297 MLX4_EVENT_TYPE_RECOVERABLE_ERROR_EVENT = 0x3e,
298 MLX4_EVENT_TYPE_NONE = 0xff,
299 };
300
301 enum {
302 MLX4_PORT_CHANGE_SUBTYPE_DOWN = 1,
303 MLX4_PORT_CHANGE_SUBTYPE_ACTIVE = 4
304 };
305
306 enum {
307 MLX4_RECOVERABLE_ERROR_EVENT_SUBTYPE_BAD_CABLE = 1,
308 MLX4_RECOVERABLE_ERROR_EVENT_SUBTYPE_UNSUPPORTED_CABLE = 2,
309 };
310
311 enum {
312 MLX4_FATAL_WARNING_SUBTYPE_WARMING = 0,
313 };
314
315 enum slave_port_state {
316 SLAVE_PORT_DOWN = 0,
317 SLAVE_PENDING_UP,
318 SLAVE_PORT_UP,
319 };
320
321 enum slave_port_gen_event {
322 SLAVE_PORT_GEN_EVENT_DOWN = 0,
323 SLAVE_PORT_GEN_EVENT_UP,
324 SLAVE_PORT_GEN_EVENT_NONE,
325 };
326
327 enum slave_port_state_event {
328 MLX4_PORT_STATE_DEV_EVENT_PORT_DOWN,
329 MLX4_PORT_STATE_DEV_EVENT_PORT_UP,
330 MLX4_PORT_STATE_IB_PORT_STATE_EVENT_GID_VALID,
331 MLX4_PORT_STATE_IB_EVENT_GID_INVALID,
332 };
333
334 enum {
335 MLX4_PERM_LOCAL_READ = 1 << 10,
336 MLX4_PERM_LOCAL_WRITE = 1 << 11,
337 MLX4_PERM_REMOTE_READ = 1 << 12,
338 MLX4_PERM_REMOTE_WRITE = 1 << 13,
339 MLX4_PERM_ATOMIC = 1 << 14,
340 MLX4_PERM_BIND_MW = 1 << 15,
341 MLX4_PERM_MASK = 0xFC00
342 };
343
344 enum {
345 MLX4_OPCODE_NOP = 0x00,
346 MLX4_OPCODE_SEND_INVAL = 0x01,
347 MLX4_OPCODE_RDMA_WRITE = 0x08,
348 MLX4_OPCODE_RDMA_WRITE_IMM = 0x09,
349 MLX4_OPCODE_SEND = 0x0a,
350 MLX4_OPCODE_SEND_IMM = 0x0b,
351 MLX4_OPCODE_LSO = 0x0e,
352 MLX4_OPCODE_RDMA_READ = 0x10,
353 MLX4_OPCODE_ATOMIC_CS = 0x11,
354 MLX4_OPCODE_ATOMIC_FA = 0x12,
355 MLX4_OPCODE_MASKED_ATOMIC_CS = 0x14,
356 MLX4_OPCODE_MASKED_ATOMIC_FA = 0x15,
357 MLX4_OPCODE_BIND_MW = 0x18,
358 MLX4_OPCODE_FMR = 0x19,
359 MLX4_OPCODE_LOCAL_INVAL = 0x1b,
360 MLX4_OPCODE_CONFIG_CMD = 0x1f,
361
362 MLX4_RECV_OPCODE_RDMA_WRITE_IMM = 0x00,
363 MLX4_RECV_OPCODE_SEND = 0x01,
364 MLX4_RECV_OPCODE_SEND_IMM = 0x02,
365 MLX4_RECV_OPCODE_SEND_INVAL = 0x03,
366
367 MLX4_CQE_OPCODE_ERROR = 0x1e,
368 MLX4_CQE_OPCODE_RESIZE = 0x16,
369 };
370
371 enum {
372 MLX4_STAT_RATE_OFFSET = 5
373 };
374
375 enum mlx4_protocol {
376 MLX4_PROT_IB_IPV6 = 0,
377 MLX4_PROT_ETH,
378 MLX4_PROT_IB_IPV4,
379 MLX4_PROT_FCOE
380 };
381
382 enum {
383 MLX4_MTT_FLAG_PRESENT = 1
384 };
385
386 enum mlx4_qp_region {
387 MLX4_QP_REGION_FW = 0,
388 MLX4_QP_REGION_RSS_RAW_ETH,
389 MLX4_QP_REGION_BOTTOM = MLX4_QP_REGION_RSS_RAW_ETH,
390 MLX4_QP_REGION_ETH_ADDR,
391 MLX4_QP_REGION_FC_ADDR,
392 MLX4_QP_REGION_FC_EXCH,
393 MLX4_NUM_QP_REGION
394 };
395
396 enum mlx4_port_type {
397 MLX4_PORT_TYPE_NONE = 0,
398 MLX4_PORT_TYPE_IB = 1,
399 MLX4_PORT_TYPE_ETH = 2,
400 MLX4_PORT_TYPE_AUTO = 3
401 };
402
403 enum mlx4_special_vlan_idx {
404 MLX4_NO_VLAN_IDX = 0,
405 MLX4_VLAN_MISS_IDX,
406 MLX4_VLAN_REGULAR
407 };
408
409 enum mlx4_steer_type {
410 MLX4_MC_STEER = 0,
411 MLX4_UC_STEER,
412 MLX4_NUM_STEERS
413 };
414
415 enum {
416 MLX4_NUM_FEXCH = 64 * 1024,
417 };
418
419 enum {
420 MLX4_MAX_FAST_REG_PAGES = 511,
421 };
422
423 enum {
424 MLX4_DEV_PMC_SUBTYPE_GUID_INFO = 0x14,
425 MLX4_DEV_PMC_SUBTYPE_PORT_INFO = 0x15,
426 MLX4_DEV_PMC_SUBTYPE_PKEY_TABLE = 0x16,
427 };
428
429 /* Port mgmt change event handling */
430 enum {
431 MLX4_EQ_PORT_INFO_MSTR_SM_LID_CHANGE_MASK = 1 << 0,
432 MLX4_EQ_PORT_INFO_GID_PFX_CHANGE_MASK = 1 << 1,
433 MLX4_EQ_PORT_INFO_LID_CHANGE_MASK = 1 << 2,
434 MLX4_EQ_PORT_INFO_CLIENT_REREG_MASK = 1 << 3,
435 MLX4_EQ_PORT_INFO_MSTR_SM_SL_CHANGE_MASK = 1 << 4,
436 };
437
438 enum {
439 MLX4_DEVICE_STATE_UP = 1 << 0,
440 MLX4_DEVICE_STATE_INTERNAL_ERROR = 1 << 1,
441 };
442
443 enum {
444 MLX4_INTERFACE_STATE_UP = 1 << 0,
445 MLX4_INTERFACE_STATE_DELETION = 1 << 1,
446 };
447
448 #define MSTR_SM_CHANGE_MASK (MLX4_EQ_PORT_INFO_MSTR_SM_SL_CHANGE_MASK | \
449 MLX4_EQ_PORT_INFO_MSTR_SM_LID_CHANGE_MASK)
450
451 enum mlx4_module_id {
452 MLX4_MODULE_ID_SFP = 0x3,
453 MLX4_MODULE_ID_QSFP = 0xC,
454 MLX4_MODULE_ID_QSFP_PLUS = 0xD,
455 MLX4_MODULE_ID_QSFP28 = 0x11,
456 };
457
458 enum { /* rl */
459 MLX4_QP_RATE_LIMIT_NONE = 0,
460 MLX4_QP_RATE_LIMIT_KBS = 1,
461 MLX4_QP_RATE_LIMIT_MBS = 2,
462 MLX4_QP_RATE_LIMIT_GBS = 3
463 };
464
465 struct mlx4_rate_limit_caps {
466 u16 num_rates; /* Number of different rates */
467 u8 min_unit;
468 u16 min_val;
469 u8 max_unit;
470 u16 max_val;
471 };
472
473 static inline u64 mlx4_fw_ver(u64 major, u64 minor, u64 subminor)
474 {
475 return (major << 32) | (minor << 16) | subminor;
476 }
477
478 struct mlx4_phys_caps {
479 u32 gid_phys_table_len[MLX4_MAX_PORTS + 1];
480 u32 pkey_phys_table_len[MLX4_MAX_PORTS + 1];
481 u32 num_phys_eqs;
482 u32 base_sqpn;
483 u32 base_proxy_sqpn;
484 u32 base_tunnel_sqpn;
485 };
486
487 struct mlx4_caps {
488 u64 fw_ver;
489 u32 function;
490 int num_ports;
491 int vl_cap[MLX4_MAX_PORTS + 1];
492 int ib_mtu_cap[MLX4_MAX_PORTS + 1];
493 __be32 ib_port_def_cap[MLX4_MAX_PORTS + 1];
494 u64 def_mac[MLX4_MAX_PORTS + 1];
495 int eth_mtu_cap[MLX4_MAX_PORTS + 1];
496 int gid_table_len[MLX4_MAX_PORTS + 1];
497 int pkey_table_len[MLX4_MAX_PORTS + 1];
498 int trans_type[MLX4_MAX_PORTS + 1];
499 int vendor_oui[MLX4_MAX_PORTS + 1];
500 int wavelength[MLX4_MAX_PORTS + 1];
501 u64 trans_code[MLX4_MAX_PORTS + 1];
502 int local_ca_ack_delay;
503 int num_uars;
504 u32 uar_page_size;
505 int bf_reg_size;
506 int bf_regs_per_page;
507 int max_sq_sg;
508 int max_rq_sg;
509 int num_qps;
510 int max_wqes;
511 int max_sq_desc_sz;
512 int max_rq_desc_sz;
513 int max_qp_init_rdma;
514 int max_qp_dest_rdma;
515 u32 *qp0_qkey;
516 u32 *qp0_proxy;
517 u32 *qp1_proxy;
518 u32 *qp0_tunnel;
519 u32 *qp1_tunnel;
520 int num_srqs;
521 int max_srq_wqes;
522 int max_srq_sge;
523 int reserved_srqs;
524 int num_cqs;
525 int max_cqes;
526 int reserved_cqs;
527 int num_sys_eqs;
528 int num_eqs;
529 int reserved_eqs;
530 int num_comp_vectors;
531 int comp_pool;
532 int num_mpts;
533 int max_fmr_maps;
534 int num_mtts;
535 int fmr_reserved_mtts;
536 int reserved_mtts;
537 int reserved_mrws;
538 int reserved_uars;
539 int num_mgms;
540 int num_amgms;
541 int reserved_mcgs;
542 int num_qp_per_mgm;
543 int steering_mode;
544 int dmfs_high_steer_mode;
545 int fs_log_max_ucast_qp_range_size;
546 int num_pds;
547 int reserved_pds;
548 int max_xrcds;
549 int reserved_xrcds;
550 int mtt_entry_sz;
551 u32 max_msg_sz;
552 u32 page_size_cap;
553 u64 flags;
554 u64 flags2;
555 u32 bmme_flags;
556 u32 reserved_lkey;
557 u16 stat_rate_support;
558 u8 port_width_cap[MLX4_MAX_PORTS + 1];
559 int max_gso_sz;
560 int max_rss_tbl_sz;
561 int reserved_qps_cnt[MLX4_NUM_QP_REGION];
562 int reserved_qps;
563 int reserved_qps_base[MLX4_NUM_QP_REGION];
564 int log_num_macs;
565 int log_num_vlans;
566 enum mlx4_port_type port_type[MLX4_MAX_PORTS + 1];
567 u8 supported_type[MLX4_MAX_PORTS + 1];
568 u8 suggested_type[MLX4_MAX_PORTS + 1];
569 u8 default_sense[MLX4_MAX_PORTS + 1];
570 u32 port_mask[MLX4_MAX_PORTS + 1];
571 enum mlx4_port_type possible_type[MLX4_MAX_PORTS + 1];
572 u32 max_counters;
573 u8 port_ib_mtu[MLX4_MAX_PORTS + 1];
574 u16 sqp_demux;
575 u32 eqe_size;
576 u32 cqe_size;
577 u8 eqe_factor;
578 u32 userspace_caps; /* userspace must be aware of these */
579 u32 function_caps; /* VFs must be aware of these */
580 u16 hca_core_clock;
581 u64 phys_port_id[MLX4_MAX_PORTS + 1];
582 int tunnel_offload_mode;
583 u8 rx_checksum_flags_port[MLX4_MAX_PORTS + 1];
584 u8 alloc_res_qp_mask;
585 u32 dmfs_high_rate_qpn_base;
586 u32 dmfs_high_rate_qpn_range;
587 u32 vf_caps;
588 struct mlx4_rate_limit_caps rl_caps;
589 };
590
591 struct mlx4_buf_list {
592 void *buf;
593 dma_addr_t map;
594 };
595
596 struct mlx4_buf {
597 struct mlx4_buf_list direct;
598 struct mlx4_buf_list *page_list;
599 int nbufs;
600 int npages;
601 int page_shift;
602 };
603
604 struct mlx4_mtt {
605 u32 offset;
606 int order;
607 int page_shift;
608 };
609
610 enum {
611 MLX4_DB_PER_PAGE = PAGE_SIZE / 4
612 };
613
614 struct mlx4_db_pgdir {
615 struct list_head list;
616 DECLARE_BITMAP(order0, MLX4_DB_PER_PAGE);
617 DECLARE_BITMAP(order1, MLX4_DB_PER_PAGE / 2);
618 unsigned long *bits[2];
619 __be32 *db_page;
620 dma_addr_t db_dma;
621 };
622
623 struct mlx4_ib_user_db_page;
624
625 struct mlx4_db {
626 __be32 *db;
627 union {
628 struct mlx4_db_pgdir *pgdir;
629 struct mlx4_ib_user_db_page *user_page;
630 } u;
631 dma_addr_t dma;
632 int index;
633 int order;
634 };
635
636 struct mlx4_hwq_resources {
637 struct mlx4_db db;
638 struct mlx4_mtt mtt;
639 struct mlx4_buf buf;
640 };
641
642 struct mlx4_mr {
643 struct mlx4_mtt mtt;
644 u64 iova;
645 u64 size;
646 u32 key;
647 u32 pd;
648 u32 access;
649 int enabled;
650 };
651
652 enum mlx4_mw_type {
653 MLX4_MW_TYPE_1 = 1,
654 MLX4_MW_TYPE_2 = 2,
655 };
656
657 struct mlx4_mw {
658 u32 key;
659 u32 pd;
660 enum mlx4_mw_type type;
661 int enabled;
662 };
663
664 struct mlx4_fmr {
665 struct mlx4_mr mr;
666 struct mlx4_mpt_entry *mpt;
667 __be64 *mtts;
668 dma_addr_t dma_handle;
669 int max_pages;
670 int max_maps;
671 int maps;
672 u8 page_shift;
673 };
674
675 struct mlx4_uar {
676 unsigned long pfn;
677 int index;
678 struct list_head bf_list;
679 unsigned free_bf_bmap;
680 void __iomem *map;
681 void __iomem *bf_map;
682 };
683
684 struct mlx4_bf {
685 unsigned int offset;
686 int buf_size;
687 struct mlx4_uar *uar;
688 void __iomem *reg;
689 };
690
691 struct mlx4_cq {
692 void (*comp) (struct mlx4_cq *);
693 void (*event) (struct mlx4_cq *, enum mlx4_event);
694
695 struct mlx4_uar *uar;
696
697 u32 cons_index;
698
699 u16 irq;
700 __be32 *set_ci_db;
701 __be32 *arm_db;
702 int arm_sn;
703
704 int cqn;
705 unsigned vector;
706
707 atomic_t refcount;
708 struct completion free;
709 struct {
710 struct list_head list;
711 void (*comp)(struct mlx4_cq *);
712 void *priv;
713 } tasklet_ctx;
714 int reset_notify_added;
715 struct list_head reset_notify;
716 };
717
718 struct mlx4_qp {
719 void (*event) (struct mlx4_qp *, enum mlx4_event);
720
721 int qpn;
722
723 atomic_t refcount;
724 struct completion free;
725 };
726
727 struct mlx4_srq {
728 void (*event) (struct mlx4_srq *, enum mlx4_event);
729
730 int srqn;
731 int max;
732 int max_gs;
733 int wqe_shift;
734
735 atomic_t refcount;
736 struct completion free;
737 };
738
739 struct mlx4_av {
740 __be32 port_pd;
741 u8 reserved1;
742 u8 g_slid;
743 __be16 dlid;
744 u8 reserved2;
745 u8 gid_index;
746 u8 stat_rate;
747 u8 hop_limit;
748 __be32 sl_tclass_flowlabel;
749 u8 dgid[16];
750 };
751
752 struct mlx4_eth_av {
753 __be32 port_pd;
754 u8 reserved1;
755 u8 smac_idx;
756 u16 reserved2;
757 u8 reserved3;
758 u8 gid_index;
759 u8 stat_rate;
760 u8 hop_limit;
761 __be32 sl_tclass_flowlabel;
762 u8 dgid[16];
763 u8 s_mac[6];
764 u8 reserved4[2];
765 __be16 vlan;
766 u8 mac[ETH_ALEN];
767 };
768
769 union mlx4_ext_av {
770 struct mlx4_av ib;
771 struct mlx4_eth_av eth;
772 };
773
774 struct mlx4_counter {
775 u8 reserved1[3];
776 u8 counter_mode;
777 __be32 num_ifc;
778 u32 reserved2[2];
779 __be64 rx_frames;
780 __be64 rx_bytes;
781 __be64 tx_frames;
782 __be64 tx_bytes;
783 };
784
785 struct mlx4_quotas {
786 int qp;
787 int cq;
788 int srq;
789 int mpt;
790 int mtt;
791 int counter;
792 int xrcd;
793 };
794
795 struct mlx4_vf_dev {
796 u8 min_port;
797 u8 n_ports;
798 };
799
800 struct mlx4_dev_persistent {
801 struct pci_dev *pdev;
802 struct mlx4_dev *dev;
803 int nvfs[MLX4_MAX_PORTS + 1];
804 int num_vfs;
805 enum mlx4_port_type curr_port_type[MLX4_MAX_PORTS + 1];
806 enum mlx4_port_type curr_port_poss_type[MLX4_MAX_PORTS + 1];
807 struct work_struct catas_work;
808 struct workqueue_struct *catas_wq;
809 struct mutex device_state_mutex; /* protect HW state */
810 u8 state;
811 struct mutex interface_state_mutex; /* protect SW state */
812 u8 interface_state;
813 };
814
815 struct mlx4_dev {
816 struct mlx4_dev_persistent *persist;
817 unsigned long flags;
818 unsigned long num_slaves;
819 struct mlx4_caps caps;
820 struct mlx4_phys_caps phys_caps;
821 struct mlx4_quotas quotas;
822 struct radix_tree_root qp_table_tree;
823 u8 rev_id;
824 char board_id[MLX4_BOARD_ID_LEN];
825 int numa_node;
826 int oper_log_mgm_entry_size;
827 u64 regid_promisc_array[MLX4_MAX_PORTS + 1];
828 u64 regid_allmulti_array[MLX4_MAX_PORTS + 1];
829 struct mlx4_vf_dev *dev_vfs;
830 };
831
832 struct mlx4_clock_params {
833 u64 offset;
834 u8 bar;
835 u8 size;
836 };
837
838 struct mlx4_eqe {
839 u8 reserved1;
840 u8 type;
841 u8 reserved2;
842 u8 subtype;
843 union {
844 u32 raw[6];
845 struct {
846 __be32 cqn;
847 } __packed comp;
848 struct {
849 u16 reserved1;
850 __be16 token;
851 u32 reserved2;
852 u8 reserved3[3];
853 u8 status;
854 __be64 out_param;
855 } __packed cmd;
856 struct {
857 __be32 qpn;
858 } __packed qp;
859 struct {
860 __be32 srqn;
861 } __packed srq;
862 struct {
863 __be32 cqn;
864 u32 reserved1;
865 u8 reserved2[3];
866 u8 syndrome;
867 } __packed cq_err;
868 struct {
869 u32 reserved1[2];
870 __be32 port;
871 } __packed port_change;
872 struct {
873 #define COMM_CHANNEL_BIT_ARRAY_SIZE 4
874 u32 reserved;
875 u32 bit_vec[COMM_CHANNEL_BIT_ARRAY_SIZE];
876 } __packed comm_channel_arm;
877 struct {
878 u8 port;
879 u8 reserved[3];
880 __be64 mac;
881 } __packed mac_update;
882 struct {
883 __be32 slave_id;
884 } __packed flr_event;
885 struct {
886 __be16 current_temperature;
887 __be16 warning_threshold;
888 } __packed warming;
889 struct {
890 u8 reserved[3];
891 u8 port;
892 union {
893 struct {
894 __be16 mstr_sm_lid;
895 __be16 port_lid;
896 __be32 changed_attr;
897 u8 reserved[3];
898 u8 mstr_sm_sl;
899 __be64 gid_prefix;
900 } __packed port_info;
901 struct {
902 __be32 block_ptr;
903 __be32 tbl_entries_mask;
904 } __packed tbl_change_info;
905 } params;
906 } __packed port_mgmt_change;
907 struct {
908 u8 reserved[3];
909 u8 port;
910 u32 reserved1[5];
911 } __packed bad_cable;
912 } event;
913 u8 slave_id;
914 u8 reserved3[2];
915 u8 owner;
916 } __packed;
917
918 struct mlx4_init_port_param {
919 int set_guid0;
920 int set_node_guid;
921 int set_si_guid;
922 u16 mtu;
923 int port_width_cap;
924 u16 vl_cap;
925 u16 max_gid;
926 u16 max_pkey;
927 u64 guid0;
928 u64 node_guid;
929 u64 si_guid;
930 };
931
932 #define MAD_IFC_DATA_SZ 192
933 /* MAD IFC Mailbox */
934 struct mlx4_mad_ifc {
935 u8 base_version;
936 u8 mgmt_class;
937 u8 class_version;
938 u8 method;
939 __be16 status;
940 __be16 class_specific;
941 __be64 tid;
942 __be16 attr_id;
943 __be16 resv;
944 __be32 attr_mod;
945 __be64 mkey;
946 __be16 dr_slid;
947 __be16 dr_dlid;
948 u8 reserved[28];
949 u8 data[MAD_IFC_DATA_SZ];
950 } __packed;
951
952 #define mlx4_foreach_port(port, dev, type) \
953 for ((port) = 1; (port) <= (dev)->caps.num_ports; (port)++) \
954 if ((type) == (dev)->caps.port_mask[(port)])
955
956 #define mlx4_foreach_non_ib_transport_port(port, dev) \
957 for ((port) = 1; (port) <= (dev)->caps.num_ports; (port)++) \
958 if (((dev)->caps.port_mask[port] != MLX4_PORT_TYPE_IB))
959
960 #define mlx4_foreach_ib_transport_port(port, dev) \
961 for ((port) = 1; (port) <= (dev)->caps.num_ports; (port)++) \
962 if (((dev)->caps.port_mask[port] == MLX4_PORT_TYPE_IB) || \
963 ((dev)->caps.flags & MLX4_DEV_CAP_FLAG_IBOE))
964
965 #define MLX4_INVALID_SLAVE_ID 0xFF
966
967 void handle_port_mgmt_change_event(struct work_struct *work);
968
969 static inline int mlx4_master_func_num(struct mlx4_dev *dev)
970 {
971 return dev->caps.function;
972 }
973
974 static inline int mlx4_is_master(struct mlx4_dev *dev)
975 {
976 return dev->flags & MLX4_FLAG_MASTER;
977 }
978
979 static inline int mlx4_num_reserved_sqps(struct mlx4_dev *dev)
980 {
981 return dev->phys_caps.base_sqpn + 8 +
982 16 * MLX4_MFUNC_MAX * !!mlx4_is_master(dev);
983 }
984
985 static inline int mlx4_is_qp_reserved(struct mlx4_dev *dev, u32 qpn)
986 {
987 return (qpn < dev->phys_caps.base_sqpn + 8 +
988 16 * MLX4_MFUNC_MAX * !!mlx4_is_master(dev) &&
989 qpn >= dev->phys_caps.base_sqpn) ||
990 (qpn < dev->caps.reserved_qps_cnt[MLX4_QP_REGION_FW]);
991 }
992
993 static inline int mlx4_is_guest_proxy(struct mlx4_dev *dev, int slave, u32 qpn)
994 {
995 int guest_proxy_base = dev->phys_caps.base_proxy_sqpn + slave * 8;
996
997 if (qpn >= guest_proxy_base && qpn < guest_proxy_base + 8)
998 return 1;
999
1000 return 0;
1001 }
1002
1003 static inline int mlx4_is_mfunc(struct mlx4_dev *dev)
1004 {
1005 return dev->flags & (MLX4_FLAG_SLAVE | MLX4_FLAG_MASTER);
1006 }
1007
1008 static inline int mlx4_is_slave(struct mlx4_dev *dev)
1009 {
1010 return dev->flags & MLX4_FLAG_SLAVE;
1011 }
1012
1013 static inline int mlx4_is_eth(struct mlx4_dev *dev, int port)
1014 {
1015 return dev->caps.port_type[port] == MLX4_PORT_TYPE_IB ? 0 : 1;
1016 }
1017
1018 int mlx4_buf_alloc(struct mlx4_dev *dev, int size, int max_direct,
1019 struct mlx4_buf *buf, gfp_t gfp);
1020 void mlx4_buf_free(struct mlx4_dev *dev, int size, struct mlx4_buf *buf);
1021 static inline void *mlx4_buf_offset(struct mlx4_buf *buf, int offset)
1022 {
1023 if (BITS_PER_LONG == 64 || buf->nbufs == 1)
1024 return buf->direct.buf + offset;
1025 else
1026 return buf->page_list[offset >> PAGE_SHIFT].buf +
1027 (offset & (PAGE_SIZE - 1));
1028 }
1029
1030 int mlx4_pd_alloc(struct mlx4_dev *dev, u32 *pdn);
1031 void mlx4_pd_free(struct mlx4_dev *dev, u32 pdn);
1032 int mlx4_xrcd_alloc(struct mlx4_dev *dev, u32 *xrcdn);
1033 void mlx4_xrcd_free(struct mlx4_dev *dev, u32 xrcdn);
1034
1035 int mlx4_uar_alloc(struct mlx4_dev *dev, struct mlx4_uar *uar);
1036 void mlx4_uar_free(struct mlx4_dev *dev, struct mlx4_uar *uar);
1037 int mlx4_bf_alloc(struct mlx4_dev *dev, struct mlx4_bf *bf, int node);
1038 void mlx4_bf_free(struct mlx4_dev *dev, struct mlx4_bf *bf);
1039
1040 int mlx4_mtt_init(struct mlx4_dev *dev, int npages, int page_shift,
1041 struct mlx4_mtt *mtt);
1042 void mlx4_mtt_cleanup(struct mlx4_dev *dev, struct mlx4_mtt *mtt);
1043 u64 mlx4_mtt_addr(struct mlx4_dev *dev, struct mlx4_mtt *mtt);
1044
1045 int mlx4_mr_alloc(struct mlx4_dev *dev, u32 pd, u64 iova, u64 size, u32 access,
1046 int npages, int page_shift, struct mlx4_mr *mr);
1047 int mlx4_mr_free(struct mlx4_dev *dev, struct mlx4_mr *mr);
1048 int mlx4_mr_enable(struct mlx4_dev *dev, struct mlx4_mr *mr);
1049 int mlx4_mw_alloc(struct mlx4_dev *dev, u32 pd, enum mlx4_mw_type type,
1050 struct mlx4_mw *mw);
1051 void mlx4_mw_free(struct mlx4_dev *dev, struct mlx4_mw *mw);
1052 int mlx4_mw_enable(struct mlx4_dev *dev, struct mlx4_mw *mw);
1053 int mlx4_write_mtt(struct mlx4_dev *dev, struct mlx4_mtt *mtt,
1054 int start_index, int npages, u64 *page_list);
1055 int mlx4_buf_write_mtt(struct mlx4_dev *dev, struct mlx4_mtt *mtt,
1056 struct mlx4_buf *buf, gfp_t gfp);
1057
1058 int mlx4_db_alloc(struct mlx4_dev *dev, struct mlx4_db *db, int order,
1059 gfp_t gfp);
1060 void mlx4_db_free(struct mlx4_dev *dev, struct mlx4_db *db);
1061
1062 int mlx4_alloc_hwq_res(struct mlx4_dev *dev, struct mlx4_hwq_resources *wqres,
1063 int size, int max_direct);
1064 void mlx4_free_hwq_res(struct mlx4_dev *mdev, struct mlx4_hwq_resources *wqres,
1065 int size);
1066
1067 int mlx4_cq_alloc(struct mlx4_dev *dev, int nent, struct mlx4_mtt *mtt,
1068 struct mlx4_uar *uar, u64 db_rec, struct mlx4_cq *cq,
1069 unsigned vector, int collapsed, int timestamp_en);
1070 void mlx4_cq_free(struct mlx4_dev *dev, struct mlx4_cq *cq);
1071 int mlx4_qp_reserve_range(struct mlx4_dev *dev, int cnt, int align,
1072 int *base, u8 flags);
1073 void mlx4_qp_release_range(struct mlx4_dev *dev, int base_qpn, int cnt);
1074
1075 int mlx4_qp_alloc(struct mlx4_dev *dev, int qpn, struct mlx4_qp *qp,
1076 gfp_t gfp);
1077 void mlx4_qp_free(struct mlx4_dev *dev, struct mlx4_qp *qp);
1078
1079 int mlx4_srq_alloc(struct mlx4_dev *dev, u32 pdn, u32 cqn, u16 xrcdn,
1080 struct mlx4_mtt *mtt, u64 db_rec, struct mlx4_srq *srq);
1081 void mlx4_srq_free(struct mlx4_dev *dev, struct mlx4_srq *srq);
1082 int mlx4_srq_arm(struct mlx4_dev *dev, struct mlx4_srq *srq, int limit_watermark);
1083 int mlx4_srq_query(struct mlx4_dev *dev, struct mlx4_srq *srq, int *limit_watermark);
1084
1085 int mlx4_INIT_PORT(struct mlx4_dev *dev, int port);
1086 int mlx4_CLOSE_PORT(struct mlx4_dev *dev, int port);
1087
1088 int mlx4_unicast_attach(struct mlx4_dev *dev, struct mlx4_qp *qp, u8 gid[16],
1089 int block_mcast_loopback, enum mlx4_protocol prot);
1090 int mlx4_unicast_detach(struct mlx4_dev *dev, struct mlx4_qp *qp, u8 gid[16],
1091 enum mlx4_protocol prot);
1092 int mlx4_multicast_attach(struct mlx4_dev *dev, struct mlx4_qp *qp, u8 gid[16],
1093 u8 port, int block_mcast_loopback,
1094 enum mlx4_protocol protocol, u64 *reg_id);
1095 int mlx4_multicast_detach(struct mlx4_dev *dev, struct mlx4_qp *qp, u8 gid[16],
1096 enum mlx4_protocol protocol, u64 reg_id);
1097
1098 enum {
1099 MLX4_DOMAIN_UVERBS = 0x1000,
1100 MLX4_DOMAIN_ETHTOOL = 0x2000,
1101 MLX4_DOMAIN_RFS = 0x3000,
1102 MLX4_DOMAIN_NIC = 0x5000,
1103 };
1104
1105 enum mlx4_net_trans_rule_id {
1106 MLX4_NET_TRANS_RULE_ID_ETH = 0,
1107 MLX4_NET_TRANS_RULE_ID_IB,
1108 MLX4_NET_TRANS_RULE_ID_IPV6,
1109 MLX4_NET_TRANS_RULE_ID_IPV4,
1110 MLX4_NET_TRANS_RULE_ID_TCP,
1111 MLX4_NET_TRANS_RULE_ID_UDP,
1112 MLX4_NET_TRANS_RULE_ID_VXLAN,
1113 MLX4_NET_TRANS_RULE_NUM, /* should be last */
1114 };
1115
1116 extern const u16 __sw_id_hw[];
1117
1118 static inline int map_hw_to_sw_id(u16 header_id)
1119 {
1120
1121 int i;
1122 for (i = 0; i < MLX4_NET_TRANS_RULE_NUM; i++) {
1123 if (header_id == __sw_id_hw[i])
1124 return i;
1125 }
1126 return -EINVAL;
1127 }
1128
1129 enum mlx4_net_trans_promisc_mode {
1130 MLX4_FS_REGULAR = 1,
1131 MLX4_FS_ALL_DEFAULT,
1132 MLX4_FS_MC_DEFAULT,
1133 MLX4_FS_UC_SNIFFER,
1134 MLX4_FS_MC_SNIFFER,
1135 MLX4_FS_MODE_NUM, /* should be last */
1136 };
1137
1138 struct mlx4_spec_eth {
1139 u8 dst_mac[ETH_ALEN];
1140 u8 dst_mac_msk[ETH_ALEN];
1141 u8 src_mac[ETH_ALEN];
1142 u8 src_mac_msk[ETH_ALEN];
1143 u8 ether_type_enable;
1144 __be16 ether_type;
1145 __be16 vlan_id_msk;
1146 __be16 vlan_id;
1147 };
1148
1149 struct mlx4_spec_tcp_udp {
1150 __be16 dst_port;
1151 __be16 dst_port_msk;
1152 __be16 src_port;
1153 __be16 src_port_msk;
1154 };
1155
1156 struct mlx4_spec_ipv4 {
1157 __be32 dst_ip;
1158 __be32 dst_ip_msk;
1159 __be32 src_ip;
1160 __be32 src_ip_msk;
1161 };
1162
1163 struct mlx4_spec_ib {
1164 __be32 l3_qpn;
1165 __be32 qpn_msk;
1166 u8 dst_gid[16];
1167 u8 dst_gid_msk[16];
1168 };
1169
1170 struct mlx4_spec_vxlan {
1171 __be32 vni;
1172 __be32 vni_mask;
1173
1174 };
1175
1176 struct mlx4_spec_list {
1177 struct list_head list;
1178 enum mlx4_net_trans_rule_id id;
1179 union {
1180 struct mlx4_spec_eth eth;
1181 struct mlx4_spec_ib ib;
1182 struct mlx4_spec_ipv4 ipv4;
1183 struct mlx4_spec_tcp_udp tcp_udp;
1184 struct mlx4_spec_vxlan vxlan;
1185 };
1186 };
1187
1188 enum mlx4_net_trans_hw_rule_queue {
1189 MLX4_NET_TRANS_Q_FIFO,
1190 MLX4_NET_TRANS_Q_LIFO,
1191 };
1192
1193 struct mlx4_net_trans_rule {
1194 struct list_head list;
1195 enum mlx4_net_trans_hw_rule_queue queue_mode;
1196 bool exclusive;
1197 bool allow_loopback;
1198 enum mlx4_net_trans_promisc_mode promisc_mode;
1199 u8 port;
1200 u16 priority;
1201 u32 qpn;
1202 };
1203
1204 struct mlx4_net_trans_rule_hw_ctrl {
1205 __be16 prio;
1206 u8 type;
1207 u8 flags;
1208 u8 rsvd1;
1209 u8 funcid;
1210 u8 vep;
1211 u8 port;
1212 __be32 qpn;
1213 __be32 rsvd2;
1214 };
1215
1216 struct mlx4_net_trans_rule_hw_ib {
1217 u8 size;
1218 u8 rsvd1;
1219 __be16 id;
1220 u32 rsvd2;
1221 __be32 l3_qpn;
1222 __be32 qpn_mask;
1223 u8 dst_gid[16];
1224 u8 dst_gid_msk[16];
1225 } __packed;
1226
1227 struct mlx4_net_trans_rule_hw_eth {
1228 u8 size;
1229 u8 rsvd;
1230 __be16 id;
1231 u8 rsvd1[6];
1232 u8 dst_mac[6];
1233 u16 rsvd2;
1234 u8 dst_mac_msk[6];
1235 u16 rsvd3;
1236 u8 src_mac[6];
1237 u16 rsvd4;
1238 u8 src_mac_msk[6];
1239 u8 rsvd5;
1240 u8 ether_type_enable;
1241 __be16 ether_type;
1242 __be16 vlan_tag_msk;
1243 __be16 vlan_tag;
1244 } __packed;
1245
1246 struct mlx4_net_trans_rule_hw_tcp_udp {
1247 u8 size;
1248 u8 rsvd;
1249 __be16 id;
1250 __be16 rsvd1[3];
1251 __be16 dst_port;
1252 __be16 rsvd2;
1253 __be16 dst_port_msk;
1254 __be16 rsvd3;
1255 __be16 src_port;
1256 __be16 rsvd4;
1257 __be16 src_port_msk;
1258 } __packed;
1259
1260 struct mlx4_net_trans_rule_hw_ipv4 {
1261 u8 size;
1262 u8 rsvd;
1263 __be16 id;
1264 __be32 rsvd1;
1265 __be32 dst_ip;
1266 __be32 dst_ip_msk;
1267 __be32 src_ip;
1268 __be32 src_ip_msk;
1269 } __packed;
1270
1271 struct mlx4_net_trans_rule_hw_vxlan {
1272 u8 size;
1273 u8 rsvd;
1274 __be16 id;
1275 __be32 rsvd1;
1276 __be32 vni;
1277 __be32 vni_mask;
1278 } __packed;
1279
1280 struct _rule_hw {
1281 union {
1282 struct {
1283 u8 size;
1284 u8 rsvd;
1285 __be16 id;
1286 };
1287 struct mlx4_net_trans_rule_hw_eth eth;
1288 struct mlx4_net_trans_rule_hw_ib ib;
1289 struct mlx4_net_trans_rule_hw_ipv4 ipv4;
1290 struct mlx4_net_trans_rule_hw_tcp_udp tcp_udp;
1291 struct mlx4_net_trans_rule_hw_vxlan vxlan;
1292 };
1293 };
1294
1295 enum {
1296 VXLAN_STEER_BY_OUTER_MAC = 1 << 0,
1297 VXLAN_STEER_BY_OUTER_VLAN = 1 << 1,
1298 VXLAN_STEER_BY_VSID_VNI = 1 << 2,
1299 VXLAN_STEER_BY_INNER_MAC = 1 << 3,
1300 VXLAN_STEER_BY_INNER_VLAN = 1 << 4,
1301 };
1302
1303
1304 int mlx4_flow_steer_promisc_add(struct mlx4_dev *dev, u8 port, u32 qpn,
1305 enum mlx4_net_trans_promisc_mode mode);
1306 int mlx4_flow_steer_promisc_remove(struct mlx4_dev *dev, u8 port,
1307 enum mlx4_net_trans_promisc_mode mode);
1308 int mlx4_multicast_promisc_add(struct mlx4_dev *dev, u32 qpn, u8 port);
1309 int mlx4_multicast_promisc_remove(struct mlx4_dev *dev, u32 qpn, u8 port);
1310 int mlx4_unicast_promisc_add(struct mlx4_dev *dev, u32 qpn, u8 port);
1311 int mlx4_unicast_promisc_remove(struct mlx4_dev *dev, u32 qpn, u8 port);
1312 int mlx4_SET_MCAST_FLTR(struct mlx4_dev *dev, u8 port, u64 mac, u64 clear, u8 mode);
1313
1314 int mlx4_register_mac(struct mlx4_dev *dev, u8 port, u64 mac);
1315 void mlx4_unregister_mac(struct mlx4_dev *dev, u8 port, u64 mac);
1316 int mlx4_get_base_qpn(struct mlx4_dev *dev, u8 port);
1317 int __mlx4_replace_mac(struct mlx4_dev *dev, u8 port, int qpn, u64 new_mac);
1318 int mlx4_SET_PORT_general(struct mlx4_dev *dev, u8 port, int mtu,
1319 u8 pptx, u8 pfctx, u8 pprx, u8 pfcrx);
1320 int mlx4_SET_PORT_qpn_calc(struct mlx4_dev *dev, u8 port, u32 base_qpn,
1321 u8 promisc);
1322 int mlx4_SET_PORT_BEACON(struct mlx4_dev *dev, u8 port, u16 time);
1323 int mlx4_SET_PORT_fcs_check(struct mlx4_dev *dev, u8 port,
1324 u8 ignore_fcs_value);
1325 int mlx4_SET_PORT_VXLAN(struct mlx4_dev *dev, u8 port, u8 steering, int enable);
1326 int mlx4_find_cached_mac(struct mlx4_dev *dev, u8 port, u64 mac, int *idx);
1327 int mlx4_find_cached_vlan(struct mlx4_dev *dev, u8 port, u16 vid, int *idx);
1328 int mlx4_register_vlan(struct mlx4_dev *dev, u8 port, u16 vlan, int *index);
1329 void mlx4_unregister_vlan(struct mlx4_dev *dev, u8 port, u16 vlan);
1330
1331 int mlx4_map_phys_fmr(struct mlx4_dev *dev, struct mlx4_fmr *fmr, u64 *page_list,
1332 int npages, u64 iova, u32 *lkey, u32 *rkey);
1333 int mlx4_fmr_alloc(struct mlx4_dev *dev, u32 pd, u32 access, int max_pages,
1334 int max_maps, u8 page_shift, struct mlx4_fmr *fmr);
1335 int mlx4_fmr_enable(struct mlx4_dev *dev, struct mlx4_fmr *fmr);
1336 void mlx4_fmr_unmap(struct mlx4_dev *dev, struct mlx4_fmr *fmr,
1337 u32 *lkey, u32 *rkey);
1338 int mlx4_fmr_free(struct mlx4_dev *dev, struct mlx4_fmr *fmr);
1339 int mlx4_SYNC_TPT(struct mlx4_dev *dev);
1340 int mlx4_test_interrupts(struct mlx4_dev *dev);
1341 int mlx4_assign_eq(struct mlx4_dev *dev, char *name, struct cpu_rmap *rmap,
1342 int *vector);
1343 void mlx4_release_eq(struct mlx4_dev *dev, int vec);
1344
1345 int mlx4_eq_get_irq(struct mlx4_dev *dev, int vec);
1346
1347 int mlx4_get_phys_port_id(struct mlx4_dev *dev);
1348 int mlx4_wol_read(struct mlx4_dev *dev, u64 *config, int port);
1349 int mlx4_wol_write(struct mlx4_dev *dev, u64 config, int port);
1350
1351 int mlx4_counter_alloc(struct mlx4_dev *dev, u32 *idx);
1352 void mlx4_counter_free(struct mlx4_dev *dev, u32 idx);
1353
1354 void mlx4_set_admin_guid(struct mlx4_dev *dev, __be64 guid, int entry,
1355 int port);
1356 __be64 mlx4_get_admin_guid(struct mlx4_dev *dev, int entry, int port);
1357 void mlx4_set_random_admin_guid(struct mlx4_dev *dev, int entry, int port);
1358 int mlx4_flow_attach(struct mlx4_dev *dev,
1359 struct mlx4_net_trans_rule *rule, u64 *reg_id);
1360 int mlx4_flow_detach(struct mlx4_dev *dev, u64 reg_id);
1361 int mlx4_map_sw_to_hw_steering_mode(struct mlx4_dev *dev,
1362 enum mlx4_net_trans_promisc_mode flow_type);
1363 int mlx4_map_sw_to_hw_steering_id(struct mlx4_dev *dev,
1364 enum mlx4_net_trans_rule_id id);
1365 int mlx4_hw_rule_sz(struct mlx4_dev *dev, enum mlx4_net_trans_rule_id id);
1366
1367 int mlx4_tunnel_steer_add(struct mlx4_dev *dev, unsigned char *addr,
1368 int port, int qpn, u16 prio, u64 *reg_id);
1369
1370 void mlx4_sync_pkey_table(struct mlx4_dev *dev, int slave, int port,
1371 int i, int val);
1372
1373 int mlx4_get_parav_qkey(struct mlx4_dev *dev, u32 qpn, u32 *qkey);
1374
1375 int mlx4_is_slave_active(struct mlx4_dev *dev, int slave);
1376 int mlx4_gen_pkey_eqe(struct mlx4_dev *dev, int slave, u8 port);
1377 int mlx4_gen_guid_change_eqe(struct mlx4_dev *dev, int slave, u8 port);
1378 int mlx4_gen_slaves_port_mgt_ev(struct mlx4_dev *dev, u8 port, int attr);
1379 int mlx4_gen_port_state_change_eqe(struct mlx4_dev *dev, int slave, u8 port, u8 port_subtype_change);
1380 enum slave_port_state mlx4_get_slave_port_state(struct mlx4_dev *dev, int slave, u8 port);
1381 int set_and_calc_slave_port_state(struct mlx4_dev *dev, int slave, u8 port, int event, enum slave_port_gen_event *gen_event);
1382
1383 void mlx4_put_slave_node_guid(struct mlx4_dev *dev, int slave, __be64 guid);
1384 __be64 mlx4_get_slave_node_guid(struct mlx4_dev *dev, int slave);
1385
1386 int mlx4_get_slave_from_roce_gid(struct mlx4_dev *dev, int port, u8 *gid,
1387 int *slave_id);
1388 int mlx4_get_roce_gid_from_slave(struct mlx4_dev *dev, int port, int slave_id,
1389 u8 *gid);
1390
1391 int mlx4_FLOW_STEERING_IB_UC_QP_RANGE(struct mlx4_dev *dev, u32 min_range_qpn,
1392 u32 max_range_qpn);
1393
1394 cycle_t mlx4_read_clock(struct mlx4_dev *dev);
1395
1396 struct mlx4_active_ports {
1397 DECLARE_BITMAP(ports, MLX4_MAX_PORTS);
1398 };
1399 /* Returns a bitmap of the physical ports which are assigned to slave */
1400 struct mlx4_active_ports mlx4_get_active_ports(struct mlx4_dev *dev, int slave);
1401
1402 /* Returns the physical port that represents the virtual port of the slave, */
1403 /* or a value < 0 in case of an error. If a slave has 2 ports, the identity */
1404 /* mapping is returned. */
1405 int mlx4_slave_convert_port(struct mlx4_dev *dev, int slave, int port);
1406
1407 struct mlx4_slaves_pport {
1408 DECLARE_BITMAP(slaves, MLX4_MFUNC_MAX);
1409 };
1410 /* Returns a bitmap of all slaves that are assigned to port. */
1411 struct mlx4_slaves_pport mlx4_phys_to_slaves_pport(struct mlx4_dev *dev,
1412 int port);
1413
1414 /* Returns a bitmap of all slaves that are assigned exactly to all the */
1415 /* the ports that are set in crit_ports. */
1416 struct mlx4_slaves_pport mlx4_phys_to_slaves_pport_actv(
1417 struct mlx4_dev *dev,
1418 const struct mlx4_active_ports *crit_ports);
1419
1420 /* Returns the slave's virtual port that represents the physical port. */
1421 int mlx4_phys_to_slave_port(struct mlx4_dev *dev, int slave, int port);
1422
1423 int mlx4_get_base_gid_ix(struct mlx4_dev *dev, int slave, int port);
1424
1425 int mlx4_config_vxlan_port(struct mlx4_dev *dev, __be16 udp_port);
1426 int mlx4_disable_rx_port_check(struct mlx4_dev *dev, bool dis);
1427 int mlx4_virt2phy_port_map(struct mlx4_dev *dev, u32 port1, u32 port2);
1428 int mlx4_vf_smi_enabled(struct mlx4_dev *dev, int slave, int port);
1429 int mlx4_vf_get_enable_smi_admin(struct mlx4_dev *dev, int slave, int port);
1430 int mlx4_vf_set_enable_smi_admin(struct mlx4_dev *dev, int slave, int port,
1431 int enable);
1432 int mlx4_mr_hw_get_mpt(struct mlx4_dev *dev, struct mlx4_mr *mmr,
1433 struct mlx4_mpt_entry ***mpt_entry);
1434 int mlx4_mr_hw_write_mpt(struct mlx4_dev *dev, struct mlx4_mr *mmr,
1435 struct mlx4_mpt_entry **mpt_entry);
1436 int mlx4_mr_hw_change_pd(struct mlx4_dev *dev, struct mlx4_mpt_entry *mpt_entry,
1437 u32 pdn);
1438 int mlx4_mr_hw_change_access(struct mlx4_dev *dev,
1439 struct mlx4_mpt_entry *mpt_entry,
1440 u32 access);
1441 void mlx4_mr_hw_put_mpt(struct mlx4_dev *dev,
1442 struct mlx4_mpt_entry **mpt_entry);
1443 void mlx4_mr_rereg_mem_cleanup(struct mlx4_dev *dev, struct mlx4_mr *mr);
1444 int mlx4_mr_rereg_mem_write(struct mlx4_dev *dev, struct mlx4_mr *mr,
1445 u64 iova, u64 size, int npages,
1446 int page_shift, struct mlx4_mpt_entry *mpt_entry);
1447
1448 int mlx4_get_module_info(struct mlx4_dev *dev, u8 port,
1449 u16 offset, u16 size, u8 *data);
1450
1451 /* Returns true if running in low memory profile (kdump kernel) */
1452 static inline bool mlx4_low_memory_profile(void)
1453 {
1454 return is_kdump_kernel();
1455 }
1456
1457 /* ACCESS REG commands */
1458 enum mlx4_access_reg_method {
1459 MLX4_ACCESS_REG_QUERY = 0x1,
1460 MLX4_ACCESS_REG_WRITE = 0x2,
1461 };
1462
1463 /* ACCESS PTYS Reg command */
1464 enum mlx4_ptys_proto {
1465 MLX4_PTYS_IB = 1<<0,
1466 MLX4_PTYS_EN = 1<<2,
1467 };
1468
1469 struct mlx4_ptys_reg {
1470 u8 resrvd1;
1471 u8 local_port;
1472 u8 resrvd2;
1473 u8 proto_mask;
1474 __be32 resrvd3[2];
1475 __be32 eth_proto_cap;
1476 __be16 ib_width_cap;
1477 __be16 ib_speed_cap;
1478 __be32 resrvd4;
1479 __be32 eth_proto_admin;
1480 __be16 ib_width_admin;
1481 __be16 ib_speed_admin;
1482 __be32 resrvd5;
1483 __be32 eth_proto_oper;
1484 __be16 ib_width_oper;
1485 __be16 ib_speed_oper;
1486 __be32 resrvd6;
1487 __be32 eth_proto_lp_adv;
1488 } __packed;
1489
1490 int mlx4_ACCESS_PTYS_REG(struct mlx4_dev *dev,
1491 enum mlx4_access_reg_method method,
1492 struct mlx4_ptys_reg *ptys_reg);
1493
1494 int mlx4_get_internal_clock_params(struct mlx4_dev *dev,
1495 struct mlx4_clock_params *params);
1496
1497 #endif /* MLX4_DEVICE_H */
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