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Merge remote-tracking branch 'spi/fix/core' into spi-linus
[GitHub/mt8127/android_kernel_alcatel_ttab.git] / drivers / net / ethernet / mellanox / mlx4 / fw.c
1 /*
2 * Copyright (c) 2004, 2005 Topspin Communications. All rights reserved.
3 * Copyright (c) 2005, 2006, 2007, 2008 Mellanox Technologies. All rights reserved.
4 * Copyright (c) 2005, 2006, 2007 Cisco Systems, Inc. All rights reserved.
5 *
6 * This software is available to you under a choice of one of two
7 * licenses. You may choose to be licensed under the terms of the GNU
8 * General Public License (GPL) Version 2, available from the file
9 * COPYING in the main directory of this source tree, or the
10 * OpenIB.org BSD license below:
11 *
12 * Redistribution and use in source and binary forms, with or
13 * without modification, are permitted provided that the following
14 * conditions are met:
15 *
16 * - Redistributions of source code must retain the above
17 * copyright notice, this list of conditions and the following
18 * disclaimer.
19 *
20 * - Redistributions in binary form must reproduce the above
21 * copyright notice, this list of conditions and the following
22 * disclaimer in the documentation and/or other materials
23 * provided with the distribution.
24 *
25 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
26 * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
27 * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
28 * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS
29 * BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN
30 * ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
31 * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
32 * SOFTWARE.
33 */
34
35 #include <linux/etherdevice.h>
36 #include <linux/mlx4/cmd.h>
37 #include <linux/module.h>
38 #include <linux/cache.h>
39
40 #include "fw.h"
41 #include "icm.h"
42
43 enum {
44 MLX4_COMMAND_INTERFACE_MIN_REV = 2,
45 MLX4_COMMAND_INTERFACE_MAX_REV = 3,
46 MLX4_COMMAND_INTERFACE_NEW_PORT_CMDS = 3,
47 };
48
49 extern void __buggy_use_of_MLX4_GET(void);
50 extern void __buggy_use_of_MLX4_PUT(void);
51
52 static bool enable_qos;
53 module_param(enable_qos, bool, 0444);
54 MODULE_PARM_DESC(enable_qos, "Enable Quality of Service support in the HCA (default: off)");
55
56 #define MLX4_GET(dest, source, offset) \
57 do { \
58 void *__p = (char *) (source) + (offset); \
59 switch (sizeof (dest)) { \
60 case 1: (dest) = *(u8 *) __p; break; \
61 case 2: (dest) = be16_to_cpup(__p); break; \
62 case 4: (dest) = be32_to_cpup(__p); break; \
63 case 8: (dest) = be64_to_cpup(__p); break; \
64 default: __buggy_use_of_MLX4_GET(); \
65 } \
66 } while (0)
67
68 #define MLX4_PUT(dest, source, offset) \
69 do { \
70 void *__d = ((char *) (dest) + (offset)); \
71 switch (sizeof(source)) { \
72 case 1: *(u8 *) __d = (source); break; \
73 case 2: *(__be16 *) __d = cpu_to_be16(source); break; \
74 case 4: *(__be32 *) __d = cpu_to_be32(source); break; \
75 case 8: *(__be64 *) __d = cpu_to_be64(source); break; \
76 default: __buggy_use_of_MLX4_PUT(); \
77 } \
78 } while (0)
79
80 static void dump_dev_cap_flags(struct mlx4_dev *dev, u64 flags)
81 {
82 static const char *fname[] = {
83 [ 0] = "RC transport",
84 [ 1] = "UC transport",
85 [ 2] = "UD transport",
86 [ 3] = "XRC transport",
87 [ 4] = "reliable multicast",
88 [ 5] = "FCoIB support",
89 [ 6] = "SRQ support",
90 [ 7] = "IPoIB checksum offload",
91 [ 8] = "P_Key violation counter",
92 [ 9] = "Q_Key violation counter",
93 [10] = "VMM",
94 [12] = "Dual Port Different Protocol (DPDP) support",
95 [15] = "Big LSO headers",
96 [16] = "MW support",
97 [17] = "APM support",
98 [18] = "Atomic ops support",
99 [19] = "Raw multicast support",
100 [20] = "Address vector port checking support",
101 [21] = "UD multicast support",
102 [24] = "Demand paging support",
103 [25] = "Router support",
104 [30] = "IBoE support",
105 [32] = "Unicast loopback support",
106 [34] = "FCS header control",
107 [38] = "Wake On LAN support",
108 [40] = "UDP RSS support",
109 [41] = "Unicast VEP steering support",
110 [42] = "Multicast VEP steering support",
111 [48] = "Counters support",
112 [53] = "Port ETS Scheduler support",
113 [55] = "Port link type sensing support",
114 [59] = "Port management change event support",
115 [61] = "64 byte EQE support",
116 [62] = "64 byte CQE support",
117 };
118 int i;
119
120 mlx4_dbg(dev, "DEV_CAP flags:\n");
121 for (i = 0; i < ARRAY_SIZE(fname); ++i)
122 if (fname[i] && (flags & (1LL << i)))
123 mlx4_dbg(dev, " %s\n", fname[i]);
124 }
125
126 static void dump_dev_cap_flags2(struct mlx4_dev *dev, u64 flags)
127 {
128 static const char * const fname[] = {
129 [0] = "RSS support",
130 [1] = "RSS Toeplitz Hash Function support",
131 [2] = "RSS XOR Hash Function support",
132 [3] = "Device manage flow steering support",
133 [4] = "Automatic MAC reassignment support",
134 [5] = "Time stamping support",
135 [6] = "VST (control vlan insertion/stripping) support",
136 [7] = "FSM (MAC anti-spoofing) support"
137 };
138 int i;
139
140 for (i = 0; i < ARRAY_SIZE(fname); ++i)
141 if (fname[i] && (flags & (1LL << i)))
142 mlx4_dbg(dev, " %s\n", fname[i]);
143 }
144
145 int mlx4_MOD_STAT_CFG(struct mlx4_dev *dev, struct mlx4_mod_stat_cfg *cfg)
146 {
147 struct mlx4_cmd_mailbox *mailbox;
148 u32 *inbox;
149 int err = 0;
150
151 #define MOD_STAT_CFG_IN_SIZE 0x100
152
153 #define MOD_STAT_CFG_PG_SZ_M_OFFSET 0x002
154 #define MOD_STAT_CFG_PG_SZ_OFFSET 0x003
155
156 mailbox = mlx4_alloc_cmd_mailbox(dev);
157 if (IS_ERR(mailbox))
158 return PTR_ERR(mailbox);
159 inbox = mailbox->buf;
160
161 memset(inbox, 0, MOD_STAT_CFG_IN_SIZE);
162
163 MLX4_PUT(inbox, cfg->log_pg_sz, MOD_STAT_CFG_PG_SZ_OFFSET);
164 MLX4_PUT(inbox, cfg->log_pg_sz_m, MOD_STAT_CFG_PG_SZ_M_OFFSET);
165
166 err = mlx4_cmd(dev, mailbox->dma, 0, 0, MLX4_CMD_MOD_STAT_CFG,
167 MLX4_CMD_TIME_CLASS_A, MLX4_CMD_NATIVE);
168
169 mlx4_free_cmd_mailbox(dev, mailbox);
170 return err;
171 }
172
173 int mlx4_QUERY_FUNC_CAP_wrapper(struct mlx4_dev *dev, int slave,
174 struct mlx4_vhcr *vhcr,
175 struct mlx4_cmd_mailbox *inbox,
176 struct mlx4_cmd_mailbox *outbox,
177 struct mlx4_cmd_info *cmd)
178 {
179 u8 field;
180 u32 size;
181 int err = 0;
182
183 #define QUERY_FUNC_CAP_FLAGS_OFFSET 0x0
184 #define QUERY_FUNC_CAP_NUM_PORTS_OFFSET 0x1
185 #define QUERY_FUNC_CAP_PF_BHVR_OFFSET 0x4
186 #define QUERY_FUNC_CAP_FMR_OFFSET 0x8
187 #define QUERY_FUNC_CAP_QP_QUOTA_OFFSET 0x10
188 #define QUERY_FUNC_CAP_CQ_QUOTA_OFFSET 0x14
189 #define QUERY_FUNC_CAP_SRQ_QUOTA_OFFSET 0x18
190 #define QUERY_FUNC_CAP_MPT_QUOTA_OFFSET 0x20
191 #define QUERY_FUNC_CAP_MTT_QUOTA_OFFSET 0x24
192 #define QUERY_FUNC_CAP_MCG_QUOTA_OFFSET 0x28
193 #define QUERY_FUNC_CAP_MAX_EQ_OFFSET 0x2c
194 #define QUERY_FUNC_CAP_RESERVED_EQ_OFFSET 0x30
195
196 #define QUERY_FUNC_CAP_FMR_FLAG 0x80
197 #define QUERY_FUNC_CAP_FLAG_RDMA 0x40
198 #define QUERY_FUNC_CAP_FLAG_ETH 0x80
199
200 /* when opcode modifier = 1 */
201 #define QUERY_FUNC_CAP_PHYS_PORT_OFFSET 0x3
202 #define QUERY_FUNC_CAP_RDMA_PROPS_OFFSET 0x8
203 #define QUERY_FUNC_CAP_ETH_PROPS_OFFSET 0xc
204
205 #define QUERY_FUNC_CAP_QP0_TUNNEL 0x10
206 #define QUERY_FUNC_CAP_QP0_PROXY 0x14
207 #define QUERY_FUNC_CAP_QP1_TUNNEL 0x18
208 #define QUERY_FUNC_CAP_QP1_PROXY 0x1c
209
210 #define QUERY_FUNC_CAP_ETH_PROPS_FORCE_MAC 0x40
211 #define QUERY_FUNC_CAP_ETH_PROPS_FORCE_VLAN 0x80
212
213 #define QUERY_FUNC_CAP_RDMA_PROPS_FORCE_PHY_WQE_GID 0x80
214
215 if (vhcr->op_modifier == 1) {
216 field = 0;
217 /* ensure force vlan and force mac bits are not set */
218 MLX4_PUT(outbox->buf, field, QUERY_FUNC_CAP_ETH_PROPS_OFFSET);
219 /* ensure that phy_wqe_gid bit is not set */
220 MLX4_PUT(outbox->buf, field, QUERY_FUNC_CAP_RDMA_PROPS_OFFSET);
221
222 field = vhcr->in_modifier; /* phys-port = logical-port */
223 MLX4_PUT(outbox->buf, field, QUERY_FUNC_CAP_PHYS_PORT_OFFSET);
224
225 /* size is now the QP number */
226 size = dev->phys_caps.base_tunnel_sqpn + 8 * slave + field - 1;
227 MLX4_PUT(outbox->buf, size, QUERY_FUNC_CAP_QP0_TUNNEL);
228
229 size += 2;
230 MLX4_PUT(outbox->buf, size, QUERY_FUNC_CAP_QP1_TUNNEL);
231
232 size = dev->phys_caps.base_proxy_sqpn + 8 * slave + field - 1;
233 MLX4_PUT(outbox->buf, size, QUERY_FUNC_CAP_QP0_PROXY);
234
235 size += 2;
236 MLX4_PUT(outbox->buf, size, QUERY_FUNC_CAP_QP1_PROXY);
237
238 } else if (vhcr->op_modifier == 0) {
239 /* enable rdma and ethernet interfaces */
240 field = (QUERY_FUNC_CAP_FLAG_ETH | QUERY_FUNC_CAP_FLAG_RDMA);
241 MLX4_PUT(outbox->buf, field, QUERY_FUNC_CAP_FLAGS_OFFSET);
242
243 field = dev->caps.num_ports;
244 MLX4_PUT(outbox->buf, field, QUERY_FUNC_CAP_NUM_PORTS_OFFSET);
245
246 size = dev->caps.function_caps; /* set PF behaviours */
247 MLX4_PUT(outbox->buf, size, QUERY_FUNC_CAP_PF_BHVR_OFFSET);
248
249 field = 0; /* protected FMR support not available as yet */
250 MLX4_PUT(outbox->buf, field, QUERY_FUNC_CAP_FMR_OFFSET);
251
252 size = dev->caps.num_qps;
253 MLX4_PUT(outbox->buf, size, QUERY_FUNC_CAP_QP_QUOTA_OFFSET);
254
255 size = dev->caps.num_srqs;
256 MLX4_PUT(outbox->buf, size, QUERY_FUNC_CAP_SRQ_QUOTA_OFFSET);
257
258 size = dev->caps.num_cqs;
259 MLX4_PUT(outbox->buf, size, QUERY_FUNC_CAP_CQ_QUOTA_OFFSET);
260
261 size = dev->caps.num_eqs;
262 MLX4_PUT(outbox->buf, size, QUERY_FUNC_CAP_MAX_EQ_OFFSET);
263
264 size = dev->caps.reserved_eqs;
265 MLX4_PUT(outbox->buf, size, QUERY_FUNC_CAP_RESERVED_EQ_OFFSET);
266
267 size = dev->caps.num_mpts;
268 MLX4_PUT(outbox->buf, size, QUERY_FUNC_CAP_MPT_QUOTA_OFFSET);
269
270 size = dev->caps.num_mtts;
271 MLX4_PUT(outbox->buf, size, QUERY_FUNC_CAP_MTT_QUOTA_OFFSET);
272
273 size = dev->caps.num_mgms + dev->caps.num_amgms;
274 MLX4_PUT(outbox->buf, size, QUERY_FUNC_CAP_MCG_QUOTA_OFFSET);
275
276 } else
277 err = -EINVAL;
278
279 return err;
280 }
281
282 int mlx4_QUERY_FUNC_CAP(struct mlx4_dev *dev, u32 gen_or_port,
283 struct mlx4_func_cap *func_cap)
284 {
285 struct mlx4_cmd_mailbox *mailbox;
286 u32 *outbox;
287 u8 field, op_modifier;
288 u32 size;
289 int err = 0;
290
291 op_modifier = !!gen_or_port; /* 0 = general, 1 = logical port */
292
293 mailbox = mlx4_alloc_cmd_mailbox(dev);
294 if (IS_ERR(mailbox))
295 return PTR_ERR(mailbox);
296
297 err = mlx4_cmd_box(dev, 0, mailbox->dma, gen_or_port, op_modifier,
298 MLX4_CMD_QUERY_FUNC_CAP,
299 MLX4_CMD_TIME_CLASS_A, MLX4_CMD_WRAPPED);
300 if (err)
301 goto out;
302
303 outbox = mailbox->buf;
304
305 if (!op_modifier) {
306 MLX4_GET(field, outbox, QUERY_FUNC_CAP_FLAGS_OFFSET);
307 if (!(field & (QUERY_FUNC_CAP_FLAG_ETH | QUERY_FUNC_CAP_FLAG_RDMA))) {
308 mlx4_err(dev, "The host supports neither eth nor rdma interfaces\n");
309 err = -EPROTONOSUPPORT;
310 goto out;
311 }
312 func_cap->flags = field;
313
314 MLX4_GET(field, outbox, QUERY_FUNC_CAP_NUM_PORTS_OFFSET);
315 func_cap->num_ports = field;
316
317 MLX4_GET(size, outbox, QUERY_FUNC_CAP_PF_BHVR_OFFSET);
318 func_cap->pf_context_behaviour = size;
319
320 MLX4_GET(size, outbox, QUERY_FUNC_CAP_QP_QUOTA_OFFSET);
321 func_cap->qp_quota = size & 0xFFFFFF;
322
323 MLX4_GET(size, outbox, QUERY_FUNC_CAP_SRQ_QUOTA_OFFSET);
324 func_cap->srq_quota = size & 0xFFFFFF;
325
326 MLX4_GET(size, outbox, QUERY_FUNC_CAP_CQ_QUOTA_OFFSET);
327 func_cap->cq_quota = size & 0xFFFFFF;
328
329 MLX4_GET(size, outbox, QUERY_FUNC_CAP_MAX_EQ_OFFSET);
330 func_cap->max_eq = size & 0xFFFFFF;
331
332 MLX4_GET(size, outbox, QUERY_FUNC_CAP_RESERVED_EQ_OFFSET);
333 func_cap->reserved_eq = size & 0xFFFFFF;
334
335 MLX4_GET(size, outbox, QUERY_FUNC_CAP_MPT_QUOTA_OFFSET);
336 func_cap->mpt_quota = size & 0xFFFFFF;
337
338 MLX4_GET(size, outbox, QUERY_FUNC_CAP_MTT_QUOTA_OFFSET);
339 func_cap->mtt_quota = size & 0xFFFFFF;
340
341 MLX4_GET(size, outbox, QUERY_FUNC_CAP_MCG_QUOTA_OFFSET);
342 func_cap->mcg_quota = size & 0xFFFFFF;
343 goto out;
344 }
345
346 /* logical port query */
347 if (gen_or_port > dev->caps.num_ports) {
348 err = -EINVAL;
349 goto out;
350 }
351
352 if (dev->caps.port_type[gen_or_port] == MLX4_PORT_TYPE_ETH) {
353 MLX4_GET(field, outbox, QUERY_FUNC_CAP_ETH_PROPS_OFFSET);
354 if (field & QUERY_FUNC_CAP_ETH_PROPS_FORCE_VLAN) {
355 mlx4_err(dev, "VLAN is enforced on this port\n");
356 err = -EPROTONOSUPPORT;
357 goto out;
358 }
359
360 if (field & QUERY_FUNC_CAP_ETH_PROPS_FORCE_MAC) {
361 mlx4_err(dev, "Force mac is enabled on this port\n");
362 err = -EPROTONOSUPPORT;
363 goto out;
364 }
365 } else if (dev->caps.port_type[gen_or_port] == MLX4_PORT_TYPE_IB) {
366 MLX4_GET(field, outbox, QUERY_FUNC_CAP_RDMA_PROPS_OFFSET);
367 if (field & QUERY_FUNC_CAP_RDMA_PROPS_FORCE_PHY_WQE_GID) {
368 mlx4_err(dev, "phy_wqe_gid is "
369 "enforced on this ib port\n");
370 err = -EPROTONOSUPPORT;
371 goto out;
372 }
373 }
374
375 MLX4_GET(field, outbox, QUERY_FUNC_CAP_PHYS_PORT_OFFSET);
376 func_cap->physical_port = field;
377 if (func_cap->physical_port != gen_or_port) {
378 err = -ENOSYS;
379 goto out;
380 }
381
382 MLX4_GET(size, outbox, QUERY_FUNC_CAP_QP0_TUNNEL);
383 func_cap->qp0_tunnel_qpn = size & 0xFFFFFF;
384
385 MLX4_GET(size, outbox, QUERY_FUNC_CAP_QP0_PROXY);
386 func_cap->qp0_proxy_qpn = size & 0xFFFFFF;
387
388 MLX4_GET(size, outbox, QUERY_FUNC_CAP_QP1_TUNNEL);
389 func_cap->qp1_tunnel_qpn = size & 0xFFFFFF;
390
391 MLX4_GET(size, outbox, QUERY_FUNC_CAP_QP1_PROXY);
392 func_cap->qp1_proxy_qpn = size & 0xFFFFFF;
393
394 /* All other resources are allocated by the master, but we still report
395 * 'num' and 'reserved' capabilities as follows:
396 * - num remains the maximum resource index
397 * - 'num - reserved' is the total available objects of a resource, but
398 * resource indices may be less than 'reserved'
399 * TODO: set per-resource quotas */
400
401 out:
402 mlx4_free_cmd_mailbox(dev, mailbox);
403
404 return err;
405 }
406
407 int mlx4_QUERY_DEV_CAP(struct mlx4_dev *dev, struct mlx4_dev_cap *dev_cap)
408 {
409 struct mlx4_cmd_mailbox *mailbox;
410 u32 *outbox;
411 u8 field;
412 u32 field32, flags, ext_flags;
413 u16 size;
414 u16 stat_rate;
415 int err;
416 int i;
417
418 #define QUERY_DEV_CAP_OUT_SIZE 0x100
419 #define QUERY_DEV_CAP_MAX_SRQ_SZ_OFFSET 0x10
420 #define QUERY_DEV_CAP_MAX_QP_SZ_OFFSET 0x11
421 #define QUERY_DEV_CAP_RSVD_QP_OFFSET 0x12
422 #define QUERY_DEV_CAP_MAX_QP_OFFSET 0x13
423 #define QUERY_DEV_CAP_RSVD_SRQ_OFFSET 0x14
424 #define QUERY_DEV_CAP_MAX_SRQ_OFFSET 0x15
425 #define QUERY_DEV_CAP_RSVD_EEC_OFFSET 0x16
426 #define QUERY_DEV_CAP_MAX_EEC_OFFSET 0x17
427 #define QUERY_DEV_CAP_MAX_CQ_SZ_OFFSET 0x19
428 #define QUERY_DEV_CAP_RSVD_CQ_OFFSET 0x1a
429 #define QUERY_DEV_CAP_MAX_CQ_OFFSET 0x1b
430 #define QUERY_DEV_CAP_MAX_MPT_OFFSET 0x1d
431 #define QUERY_DEV_CAP_RSVD_EQ_OFFSET 0x1e
432 #define QUERY_DEV_CAP_MAX_EQ_OFFSET 0x1f
433 #define QUERY_DEV_CAP_RSVD_MTT_OFFSET 0x20
434 #define QUERY_DEV_CAP_MAX_MRW_SZ_OFFSET 0x21
435 #define QUERY_DEV_CAP_RSVD_MRW_OFFSET 0x22
436 #define QUERY_DEV_CAP_MAX_MTT_SEG_OFFSET 0x23
437 #define QUERY_DEV_CAP_MAX_AV_OFFSET 0x27
438 #define QUERY_DEV_CAP_MAX_REQ_QP_OFFSET 0x29
439 #define QUERY_DEV_CAP_MAX_RES_QP_OFFSET 0x2b
440 #define QUERY_DEV_CAP_MAX_GSO_OFFSET 0x2d
441 #define QUERY_DEV_CAP_RSS_OFFSET 0x2e
442 #define QUERY_DEV_CAP_MAX_RDMA_OFFSET 0x2f
443 #define QUERY_DEV_CAP_RSZ_SRQ_OFFSET 0x33
444 #define QUERY_DEV_CAP_ACK_DELAY_OFFSET 0x35
445 #define QUERY_DEV_CAP_MTU_WIDTH_OFFSET 0x36
446 #define QUERY_DEV_CAP_VL_PORT_OFFSET 0x37
447 #define QUERY_DEV_CAP_MAX_MSG_SZ_OFFSET 0x38
448 #define QUERY_DEV_CAP_MAX_GID_OFFSET 0x3b
449 #define QUERY_DEV_CAP_RATE_SUPPORT_OFFSET 0x3c
450 #define QUERY_DEV_CAP_CQ_TS_SUPPORT_OFFSET 0x3e
451 #define QUERY_DEV_CAP_MAX_PKEY_OFFSET 0x3f
452 #define QUERY_DEV_CAP_EXT_FLAGS_OFFSET 0x40
453 #define QUERY_DEV_CAP_FLAGS_OFFSET 0x44
454 #define QUERY_DEV_CAP_RSVD_UAR_OFFSET 0x48
455 #define QUERY_DEV_CAP_UAR_SZ_OFFSET 0x49
456 #define QUERY_DEV_CAP_PAGE_SZ_OFFSET 0x4b
457 #define QUERY_DEV_CAP_BF_OFFSET 0x4c
458 #define QUERY_DEV_CAP_LOG_BF_REG_SZ_OFFSET 0x4d
459 #define QUERY_DEV_CAP_LOG_MAX_BF_REGS_PER_PAGE_OFFSET 0x4e
460 #define QUERY_DEV_CAP_LOG_MAX_BF_PAGES_OFFSET 0x4f
461 #define QUERY_DEV_CAP_MAX_SG_SQ_OFFSET 0x51
462 #define QUERY_DEV_CAP_MAX_DESC_SZ_SQ_OFFSET 0x52
463 #define QUERY_DEV_CAP_MAX_SG_RQ_OFFSET 0x55
464 #define QUERY_DEV_CAP_MAX_DESC_SZ_RQ_OFFSET 0x56
465 #define QUERY_DEV_CAP_MAX_QP_MCG_OFFSET 0x61
466 #define QUERY_DEV_CAP_RSVD_MCG_OFFSET 0x62
467 #define QUERY_DEV_CAP_MAX_MCG_OFFSET 0x63
468 #define QUERY_DEV_CAP_RSVD_PD_OFFSET 0x64
469 #define QUERY_DEV_CAP_MAX_PD_OFFSET 0x65
470 #define QUERY_DEV_CAP_RSVD_XRC_OFFSET 0x66
471 #define QUERY_DEV_CAP_MAX_XRC_OFFSET 0x67
472 #define QUERY_DEV_CAP_MAX_COUNTERS_OFFSET 0x68
473 #define QUERY_DEV_CAP_EXT_2_FLAGS_OFFSET 0x70
474 #define QUERY_DEV_CAP_FLOW_STEERING_RANGE_EN_OFFSET 0x76
475 #define QUERY_DEV_CAP_FLOW_STEERING_MAX_QP_OFFSET 0x77
476 #define QUERY_DEV_CAP_RDMARC_ENTRY_SZ_OFFSET 0x80
477 #define QUERY_DEV_CAP_QPC_ENTRY_SZ_OFFSET 0x82
478 #define QUERY_DEV_CAP_AUX_ENTRY_SZ_OFFSET 0x84
479 #define QUERY_DEV_CAP_ALTC_ENTRY_SZ_OFFSET 0x86
480 #define QUERY_DEV_CAP_EQC_ENTRY_SZ_OFFSET 0x88
481 #define QUERY_DEV_CAP_CQC_ENTRY_SZ_OFFSET 0x8a
482 #define QUERY_DEV_CAP_SRQ_ENTRY_SZ_OFFSET 0x8c
483 #define QUERY_DEV_CAP_C_MPT_ENTRY_SZ_OFFSET 0x8e
484 #define QUERY_DEV_CAP_MTT_ENTRY_SZ_OFFSET 0x90
485 #define QUERY_DEV_CAP_D_MPT_ENTRY_SZ_OFFSET 0x92
486 #define QUERY_DEV_CAP_BMME_FLAGS_OFFSET 0x94
487 #define QUERY_DEV_CAP_RSVD_LKEY_OFFSET 0x98
488 #define QUERY_DEV_CAP_MAX_ICM_SZ_OFFSET 0xa0
489 #define QUERY_DEV_CAP_FW_REASSIGN_MAC 0x9d
490
491 dev_cap->flags2 = 0;
492 mailbox = mlx4_alloc_cmd_mailbox(dev);
493 if (IS_ERR(mailbox))
494 return PTR_ERR(mailbox);
495 outbox = mailbox->buf;
496
497 err = mlx4_cmd_box(dev, 0, mailbox->dma, 0, 0, MLX4_CMD_QUERY_DEV_CAP,
498 MLX4_CMD_TIME_CLASS_A, MLX4_CMD_NATIVE);
499 if (err)
500 goto out;
501
502 MLX4_GET(field, outbox, QUERY_DEV_CAP_RSVD_QP_OFFSET);
503 dev_cap->reserved_qps = 1 << (field & 0xf);
504 MLX4_GET(field, outbox, QUERY_DEV_CAP_MAX_QP_OFFSET);
505 dev_cap->max_qps = 1 << (field & 0x1f);
506 MLX4_GET(field, outbox, QUERY_DEV_CAP_RSVD_SRQ_OFFSET);
507 dev_cap->reserved_srqs = 1 << (field >> 4);
508 MLX4_GET(field, outbox, QUERY_DEV_CAP_MAX_SRQ_OFFSET);
509 dev_cap->max_srqs = 1 << (field & 0x1f);
510 MLX4_GET(field, outbox, QUERY_DEV_CAP_MAX_CQ_SZ_OFFSET);
511 dev_cap->max_cq_sz = 1 << field;
512 MLX4_GET(field, outbox, QUERY_DEV_CAP_RSVD_CQ_OFFSET);
513 dev_cap->reserved_cqs = 1 << (field & 0xf);
514 MLX4_GET(field, outbox, QUERY_DEV_CAP_MAX_CQ_OFFSET);
515 dev_cap->max_cqs = 1 << (field & 0x1f);
516 MLX4_GET(field, outbox, QUERY_DEV_CAP_MAX_MPT_OFFSET);
517 dev_cap->max_mpts = 1 << (field & 0x3f);
518 MLX4_GET(field, outbox, QUERY_DEV_CAP_RSVD_EQ_OFFSET);
519 dev_cap->reserved_eqs = field & 0xf;
520 MLX4_GET(field, outbox, QUERY_DEV_CAP_MAX_EQ_OFFSET);
521 dev_cap->max_eqs = 1 << (field & 0xf);
522 MLX4_GET(field, outbox, QUERY_DEV_CAP_RSVD_MTT_OFFSET);
523 dev_cap->reserved_mtts = 1 << (field >> 4);
524 MLX4_GET(field, outbox, QUERY_DEV_CAP_MAX_MRW_SZ_OFFSET);
525 dev_cap->max_mrw_sz = 1 << field;
526 MLX4_GET(field, outbox, QUERY_DEV_CAP_RSVD_MRW_OFFSET);
527 dev_cap->reserved_mrws = 1 << (field & 0xf);
528 MLX4_GET(field, outbox, QUERY_DEV_CAP_MAX_MTT_SEG_OFFSET);
529 dev_cap->max_mtt_seg = 1 << (field & 0x3f);
530 MLX4_GET(field, outbox, QUERY_DEV_CAP_MAX_REQ_QP_OFFSET);
531 dev_cap->max_requester_per_qp = 1 << (field & 0x3f);
532 MLX4_GET(field, outbox, QUERY_DEV_CAP_MAX_RES_QP_OFFSET);
533 dev_cap->max_responder_per_qp = 1 << (field & 0x3f);
534 MLX4_GET(field, outbox, QUERY_DEV_CAP_MAX_GSO_OFFSET);
535 field &= 0x1f;
536 if (!field)
537 dev_cap->max_gso_sz = 0;
538 else
539 dev_cap->max_gso_sz = 1 << field;
540
541 MLX4_GET(field, outbox, QUERY_DEV_CAP_RSS_OFFSET);
542 if (field & 0x20)
543 dev_cap->flags2 |= MLX4_DEV_CAP_FLAG2_RSS_XOR;
544 if (field & 0x10)
545 dev_cap->flags2 |= MLX4_DEV_CAP_FLAG2_RSS_TOP;
546 field &= 0xf;
547 if (field) {
548 dev_cap->flags2 |= MLX4_DEV_CAP_FLAG2_RSS;
549 dev_cap->max_rss_tbl_sz = 1 << field;
550 } else
551 dev_cap->max_rss_tbl_sz = 0;
552 MLX4_GET(field, outbox, QUERY_DEV_CAP_MAX_RDMA_OFFSET);
553 dev_cap->max_rdma_global = 1 << (field & 0x3f);
554 MLX4_GET(field, outbox, QUERY_DEV_CAP_ACK_DELAY_OFFSET);
555 dev_cap->local_ca_ack_delay = field & 0x1f;
556 MLX4_GET(field, outbox, QUERY_DEV_CAP_VL_PORT_OFFSET);
557 dev_cap->num_ports = field & 0xf;
558 MLX4_GET(field, outbox, QUERY_DEV_CAP_MAX_MSG_SZ_OFFSET);
559 dev_cap->max_msg_sz = 1 << (field & 0x1f);
560 MLX4_GET(field, outbox, QUERY_DEV_CAP_FLOW_STEERING_RANGE_EN_OFFSET);
561 if (field & 0x80)
562 dev_cap->flags2 |= MLX4_DEV_CAP_FLAG2_FS_EN;
563 dev_cap->fs_log_max_ucast_qp_range_size = field & 0x1f;
564 MLX4_GET(field, outbox, QUERY_DEV_CAP_FLOW_STEERING_MAX_QP_OFFSET);
565 dev_cap->fs_max_num_qp_per_entry = field;
566 MLX4_GET(stat_rate, outbox, QUERY_DEV_CAP_RATE_SUPPORT_OFFSET);
567 dev_cap->stat_rate_support = stat_rate;
568 MLX4_GET(field, outbox, QUERY_DEV_CAP_CQ_TS_SUPPORT_OFFSET);
569 if (field & 0x80)
570 dev_cap->flags2 |= MLX4_DEV_CAP_FLAG2_TS;
571 MLX4_GET(ext_flags, outbox, QUERY_DEV_CAP_EXT_FLAGS_OFFSET);
572 MLX4_GET(flags, outbox, QUERY_DEV_CAP_FLAGS_OFFSET);
573 dev_cap->flags = flags | (u64)ext_flags << 32;
574 MLX4_GET(field, outbox, QUERY_DEV_CAP_RSVD_UAR_OFFSET);
575 dev_cap->reserved_uars = field >> 4;
576 MLX4_GET(field, outbox, QUERY_DEV_CAP_UAR_SZ_OFFSET);
577 dev_cap->uar_size = 1 << ((field & 0x3f) + 20);
578 MLX4_GET(field, outbox, QUERY_DEV_CAP_PAGE_SZ_OFFSET);
579 dev_cap->min_page_sz = 1 << field;
580
581 MLX4_GET(field, outbox, QUERY_DEV_CAP_BF_OFFSET);
582 if (field & 0x80) {
583 MLX4_GET(field, outbox, QUERY_DEV_CAP_LOG_BF_REG_SZ_OFFSET);
584 dev_cap->bf_reg_size = 1 << (field & 0x1f);
585 MLX4_GET(field, outbox, QUERY_DEV_CAP_LOG_MAX_BF_REGS_PER_PAGE_OFFSET);
586 if ((1 << (field & 0x3f)) > (PAGE_SIZE / dev_cap->bf_reg_size))
587 field = 3;
588 dev_cap->bf_regs_per_page = 1 << (field & 0x3f);
589 mlx4_dbg(dev, "BlueFlame available (reg size %d, regs/page %d)\n",
590 dev_cap->bf_reg_size, dev_cap->bf_regs_per_page);
591 } else {
592 dev_cap->bf_reg_size = 0;
593 mlx4_dbg(dev, "BlueFlame not available\n");
594 }
595
596 MLX4_GET(field, outbox, QUERY_DEV_CAP_MAX_SG_SQ_OFFSET);
597 dev_cap->max_sq_sg = field;
598 MLX4_GET(size, outbox, QUERY_DEV_CAP_MAX_DESC_SZ_SQ_OFFSET);
599 dev_cap->max_sq_desc_sz = size;
600
601 MLX4_GET(field, outbox, QUERY_DEV_CAP_MAX_QP_MCG_OFFSET);
602 dev_cap->max_qp_per_mcg = 1 << field;
603 MLX4_GET(field, outbox, QUERY_DEV_CAP_RSVD_MCG_OFFSET);
604 dev_cap->reserved_mgms = field & 0xf;
605 MLX4_GET(field, outbox, QUERY_DEV_CAP_MAX_MCG_OFFSET);
606 dev_cap->max_mcgs = 1 << field;
607 MLX4_GET(field, outbox, QUERY_DEV_CAP_RSVD_PD_OFFSET);
608 dev_cap->reserved_pds = field >> 4;
609 MLX4_GET(field, outbox, QUERY_DEV_CAP_MAX_PD_OFFSET);
610 dev_cap->max_pds = 1 << (field & 0x3f);
611 MLX4_GET(field, outbox, QUERY_DEV_CAP_RSVD_XRC_OFFSET);
612 dev_cap->reserved_xrcds = field >> 4;
613 MLX4_GET(field, outbox, QUERY_DEV_CAP_MAX_XRC_OFFSET);
614 dev_cap->max_xrcds = 1 << (field & 0x1f);
615
616 MLX4_GET(size, outbox, QUERY_DEV_CAP_RDMARC_ENTRY_SZ_OFFSET);
617 dev_cap->rdmarc_entry_sz = size;
618 MLX4_GET(size, outbox, QUERY_DEV_CAP_QPC_ENTRY_SZ_OFFSET);
619 dev_cap->qpc_entry_sz = size;
620 MLX4_GET(size, outbox, QUERY_DEV_CAP_AUX_ENTRY_SZ_OFFSET);
621 dev_cap->aux_entry_sz = size;
622 MLX4_GET(size, outbox, QUERY_DEV_CAP_ALTC_ENTRY_SZ_OFFSET);
623 dev_cap->altc_entry_sz = size;
624 MLX4_GET(size, outbox, QUERY_DEV_CAP_EQC_ENTRY_SZ_OFFSET);
625 dev_cap->eqc_entry_sz = size;
626 MLX4_GET(size, outbox, QUERY_DEV_CAP_CQC_ENTRY_SZ_OFFSET);
627 dev_cap->cqc_entry_sz = size;
628 MLX4_GET(size, outbox, QUERY_DEV_CAP_SRQ_ENTRY_SZ_OFFSET);
629 dev_cap->srq_entry_sz = size;
630 MLX4_GET(size, outbox, QUERY_DEV_CAP_C_MPT_ENTRY_SZ_OFFSET);
631 dev_cap->cmpt_entry_sz = size;
632 MLX4_GET(size, outbox, QUERY_DEV_CAP_MTT_ENTRY_SZ_OFFSET);
633 dev_cap->mtt_entry_sz = size;
634 MLX4_GET(size, outbox, QUERY_DEV_CAP_D_MPT_ENTRY_SZ_OFFSET);
635 dev_cap->dmpt_entry_sz = size;
636
637 MLX4_GET(field, outbox, QUERY_DEV_CAP_MAX_SRQ_SZ_OFFSET);
638 dev_cap->max_srq_sz = 1 << field;
639 MLX4_GET(field, outbox, QUERY_DEV_CAP_MAX_QP_SZ_OFFSET);
640 dev_cap->max_qp_sz = 1 << field;
641 MLX4_GET(field, outbox, QUERY_DEV_CAP_RSZ_SRQ_OFFSET);
642 dev_cap->resize_srq = field & 1;
643 MLX4_GET(field, outbox, QUERY_DEV_CAP_MAX_SG_RQ_OFFSET);
644 dev_cap->max_rq_sg = field;
645 MLX4_GET(size, outbox, QUERY_DEV_CAP_MAX_DESC_SZ_RQ_OFFSET);
646 dev_cap->max_rq_desc_sz = size;
647
648 MLX4_GET(dev_cap->bmme_flags, outbox,
649 QUERY_DEV_CAP_BMME_FLAGS_OFFSET);
650 MLX4_GET(dev_cap->reserved_lkey, outbox,
651 QUERY_DEV_CAP_RSVD_LKEY_OFFSET);
652 MLX4_GET(field, outbox, QUERY_DEV_CAP_FW_REASSIGN_MAC);
653 if (field & 1<<6)
654 dev_cap->flags2 |= MLX4_DEV_CAP_FLAGS2_REASSIGN_MAC_EN;
655 MLX4_GET(dev_cap->max_icm_sz, outbox,
656 QUERY_DEV_CAP_MAX_ICM_SZ_OFFSET);
657 if (dev_cap->flags & MLX4_DEV_CAP_FLAG_COUNTERS)
658 MLX4_GET(dev_cap->max_counters, outbox,
659 QUERY_DEV_CAP_MAX_COUNTERS_OFFSET);
660
661 MLX4_GET(field32, outbox, QUERY_DEV_CAP_EXT_2_FLAGS_OFFSET);
662 if (field32 & (1 << 26))
663 dev_cap->flags2 |= MLX4_DEV_CAP_FLAG2_VLAN_CONTROL;
664 if (field32 & (1 << 20))
665 dev_cap->flags2 |= MLX4_DEV_CAP_FLAG2_FSM;
666
667 if (dev->flags & MLX4_FLAG_OLD_PORT_CMDS) {
668 for (i = 1; i <= dev_cap->num_ports; ++i) {
669 MLX4_GET(field, outbox, QUERY_DEV_CAP_VL_PORT_OFFSET);
670 dev_cap->max_vl[i] = field >> 4;
671 MLX4_GET(field, outbox, QUERY_DEV_CAP_MTU_WIDTH_OFFSET);
672 dev_cap->ib_mtu[i] = field >> 4;
673 dev_cap->max_port_width[i] = field & 0xf;
674 MLX4_GET(field, outbox, QUERY_DEV_CAP_MAX_GID_OFFSET);
675 dev_cap->max_gids[i] = 1 << (field & 0xf);
676 MLX4_GET(field, outbox, QUERY_DEV_CAP_MAX_PKEY_OFFSET);
677 dev_cap->max_pkeys[i] = 1 << (field & 0xf);
678 }
679 } else {
680 #define QUERY_PORT_SUPPORTED_TYPE_OFFSET 0x00
681 #define QUERY_PORT_MTU_OFFSET 0x01
682 #define QUERY_PORT_ETH_MTU_OFFSET 0x02
683 #define QUERY_PORT_WIDTH_OFFSET 0x06
684 #define QUERY_PORT_MAX_GID_PKEY_OFFSET 0x07
685 #define QUERY_PORT_MAX_MACVLAN_OFFSET 0x0a
686 #define QUERY_PORT_MAX_VL_OFFSET 0x0b
687 #define QUERY_PORT_MAC_OFFSET 0x10
688 #define QUERY_PORT_TRANS_VENDOR_OFFSET 0x18
689 #define QUERY_PORT_WAVELENGTH_OFFSET 0x1c
690 #define QUERY_PORT_TRANS_CODE_OFFSET 0x20
691
692 for (i = 1; i <= dev_cap->num_ports; ++i) {
693 err = mlx4_cmd_box(dev, 0, mailbox->dma, i, 0, MLX4_CMD_QUERY_PORT,
694 MLX4_CMD_TIME_CLASS_B, MLX4_CMD_NATIVE);
695 if (err)
696 goto out;
697
698 MLX4_GET(field, outbox, QUERY_PORT_SUPPORTED_TYPE_OFFSET);
699 dev_cap->supported_port_types[i] = field & 3;
700 dev_cap->suggested_type[i] = (field >> 3) & 1;
701 dev_cap->default_sense[i] = (field >> 4) & 1;
702 MLX4_GET(field, outbox, QUERY_PORT_MTU_OFFSET);
703 dev_cap->ib_mtu[i] = field & 0xf;
704 MLX4_GET(field, outbox, QUERY_PORT_WIDTH_OFFSET);
705 dev_cap->max_port_width[i] = field & 0xf;
706 MLX4_GET(field, outbox, QUERY_PORT_MAX_GID_PKEY_OFFSET);
707 dev_cap->max_gids[i] = 1 << (field >> 4);
708 dev_cap->max_pkeys[i] = 1 << (field & 0xf);
709 MLX4_GET(field, outbox, QUERY_PORT_MAX_VL_OFFSET);
710 dev_cap->max_vl[i] = field & 0xf;
711 MLX4_GET(field, outbox, QUERY_PORT_MAX_MACVLAN_OFFSET);
712 dev_cap->log_max_macs[i] = field & 0xf;
713 dev_cap->log_max_vlans[i] = field >> 4;
714 MLX4_GET(dev_cap->eth_mtu[i], outbox, QUERY_PORT_ETH_MTU_OFFSET);
715 MLX4_GET(dev_cap->def_mac[i], outbox, QUERY_PORT_MAC_OFFSET);
716 MLX4_GET(field32, outbox, QUERY_PORT_TRANS_VENDOR_OFFSET);
717 dev_cap->trans_type[i] = field32 >> 24;
718 dev_cap->vendor_oui[i] = field32 & 0xffffff;
719 MLX4_GET(dev_cap->wavelength[i], outbox, QUERY_PORT_WAVELENGTH_OFFSET);
720 MLX4_GET(dev_cap->trans_code[i], outbox, QUERY_PORT_TRANS_CODE_OFFSET);
721 }
722 }
723
724 mlx4_dbg(dev, "Base MM extensions: flags %08x, rsvd L_Key %08x\n",
725 dev_cap->bmme_flags, dev_cap->reserved_lkey);
726
727 /*
728 * Each UAR has 4 EQ doorbells; so if a UAR is reserved, then
729 * we can't use any EQs whose doorbell falls on that page,
730 * even if the EQ itself isn't reserved.
731 */
732 dev_cap->reserved_eqs = max(dev_cap->reserved_uars * 4,
733 dev_cap->reserved_eqs);
734
735 mlx4_dbg(dev, "Max ICM size %lld MB\n",
736 (unsigned long long) dev_cap->max_icm_sz >> 20);
737 mlx4_dbg(dev, "Max QPs: %d, reserved QPs: %d, entry size: %d\n",
738 dev_cap->max_qps, dev_cap->reserved_qps, dev_cap->qpc_entry_sz);
739 mlx4_dbg(dev, "Max SRQs: %d, reserved SRQs: %d, entry size: %d\n",
740 dev_cap->max_srqs, dev_cap->reserved_srqs, dev_cap->srq_entry_sz);
741 mlx4_dbg(dev, "Max CQs: %d, reserved CQs: %d, entry size: %d\n",
742 dev_cap->max_cqs, dev_cap->reserved_cqs, dev_cap->cqc_entry_sz);
743 mlx4_dbg(dev, "Max EQs: %d, reserved EQs: %d, entry size: %d\n",
744 dev_cap->max_eqs, dev_cap->reserved_eqs, dev_cap->eqc_entry_sz);
745 mlx4_dbg(dev, "reserved MPTs: %d, reserved MTTs: %d\n",
746 dev_cap->reserved_mrws, dev_cap->reserved_mtts);
747 mlx4_dbg(dev, "Max PDs: %d, reserved PDs: %d, reserved UARs: %d\n",
748 dev_cap->max_pds, dev_cap->reserved_pds, dev_cap->reserved_uars);
749 mlx4_dbg(dev, "Max QP/MCG: %d, reserved MGMs: %d\n",
750 dev_cap->max_pds, dev_cap->reserved_mgms);
751 mlx4_dbg(dev, "Max CQEs: %d, max WQEs: %d, max SRQ WQEs: %d\n",
752 dev_cap->max_cq_sz, dev_cap->max_qp_sz, dev_cap->max_srq_sz);
753 mlx4_dbg(dev, "Local CA ACK delay: %d, max MTU: %d, port width cap: %d\n",
754 dev_cap->local_ca_ack_delay, 128 << dev_cap->ib_mtu[1],
755 dev_cap->max_port_width[1]);
756 mlx4_dbg(dev, "Max SQ desc size: %d, max SQ S/G: %d\n",
757 dev_cap->max_sq_desc_sz, dev_cap->max_sq_sg);
758 mlx4_dbg(dev, "Max RQ desc size: %d, max RQ S/G: %d\n",
759 dev_cap->max_rq_desc_sz, dev_cap->max_rq_sg);
760 mlx4_dbg(dev, "Max GSO size: %d\n", dev_cap->max_gso_sz);
761 mlx4_dbg(dev, "Max counters: %d\n", dev_cap->max_counters);
762 mlx4_dbg(dev, "Max RSS Table size: %d\n", dev_cap->max_rss_tbl_sz);
763
764 dump_dev_cap_flags(dev, dev_cap->flags);
765 dump_dev_cap_flags2(dev, dev_cap->flags2);
766
767 out:
768 mlx4_free_cmd_mailbox(dev, mailbox);
769 return err;
770 }
771
772 int mlx4_QUERY_DEV_CAP_wrapper(struct mlx4_dev *dev, int slave,
773 struct mlx4_vhcr *vhcr,
774 struct mlx4_cmd_mailbox *inbox,
775 struct mlx4_cmd_mailbox *outbox,
776 struct mlx4_cmd_info *cmd)
777 {
778 u64 flags;
779 int err = 0;
780 u8 field;
781 u32 bmme_flags;
782
783 err = mlx4_cmd_box(dev, 0, outbox->dma, 0, 0, MLX4_CMD_QUERY_DEV_CAP,
784 MLX4_CMD_TIME_CLASS_A, MLX4_CMD_NATIVE);
785 if (err)
786 return err;
787
788 /* add port mng change event capability and disable mw type 1
789 * unconditionally to slaves
790 */
791 MLX4_GET(flags, outbox->buf, QUERY_DEV_CAP_EXT_FLAGS_OFFSET);
792 flags |= MLX4_DEV_CAP_FLAG_PORT_MNG_CHG_EV;
793 flags &= ~MLX4_DEV_CAP_FLAG_MEM_WINDOW;
794 MLX4_PUT(outbox->buf, flags, QUERY_DEV_CAP_EXT_FLAGS_OFFSET);
795
796 /* For guests, disable timestamp */
797 MLX4_GET(field, outbox->buf, QUERY_DEV_CAP_CQ_TS_SUPPORT_OFFSET);
798 field &= 0x7f;
799 MLX4_PUT(outbox->buf, field, QUERY_DEV_CAP_CQ_TS_SUPPORT_OFFSET);
800
801 /* For guests, report Blueflame disabled */
802 MLX4_GET(field, outbox->buf, QUERY_DEV_CAP_BF_OFFSET);
803 field &= 0x7f;
804 MLX4_PUT(outbox->buf, field, QUERY_DEV_CAP_BF_OFFSET);
805
806 /* For guests, disable mw type 2 */
807 MLX4_GET(bmme_flags, outbox, QUERY_DEV_CAP_BMME_FLAGS_OFFSET);
808 bmme_flags &= ~MLX4_BMME_FLAG_TYPE_2_WIN;
809 MLX4_PUT(outbox->buf, bmme_flags, QUERY_DEV_CAP_BMME_FLAGS_OFFSET);
810
811 /* turn off device-managed steering capability if not enabled */
812 if (dev->caps.steering_mode != MLX4_STEERING_MODE_DEVICE_MANAGED) {
813 MLX4_GET(field, outbox->buf,
814 QUERY_DEV_CAP_FLOW_STEERING_RANGE_EN_OFFSET);
815 field &= 0x7f;
816 MLX4_PUT(outbox->buf, field,
817 QUERY_DEV_CAP_FLOW_STEERING_RANGE_EN_OFFSET);
818 }
819 return 0;
820 }
821
822 int mlx4_QUERY_PORT_wrapper(struct mlx4_dev *dev, int slave,
823 struct mlx4_vhcr *vhcr,
824 struct mlx4_cmd_mailbox *inbox,
825 struct mlx4_cmd_mailbox *outbox,
826 struct mlx4_cmd_info *cmd)
827 {
828 struct mlx4_priv *priv = mlx4_priv(dev);
829 u64 def_mac;
830 u8 port_type;
831 u16 short_field;
832 int err;
833
834 #define MLX4_VF_PORT_NO_LINK_SENSE_MASK 0xE0
835 #define QUERY_PORT_CUR_MAX_PKEY_OFFSET 0x0c
836 #define QUERY_PORT_CUR_MAX_GID_OFFSET 0x0e
837
838 err = mlx4_cmd_box(dev, 0, outbox->dma, vhcr->in_modifier, 0,
839 MLX4_CMD_QUERY_PORT, MLX4_CMD_TIME_CLASS_B,
840 MLX4_CMD_NATIVE);
841
842 if (!err && dev->caps.function != slave) {
843 /* set slave default_mac address */
844 MLX4_GET(def_mac, outbox->buf, QUERY_PORT_MAC_OFFSET);
845 def_mac += slave << 8;
846 /* if config MAC in DB use it */
847 if (priv->mfunc.master.vf_oper[slave].vport[vhcr->in_modifier].state.mac)
848 def_mac = priv->mfunc.master.vf_oper[slave].vport[vhcr->in_modifier].state.mac;
849 MLX4_PUT(outbox->buf, def_mac, QUERY_PORT_MAC_OFFSET);
850
851 /* get port type - currently only eth is enabled */
852 MLX4_GET(port_type, outbox->buf,
853 QUERY_PORT_SUPPORTED_TYPE_OFFSET);
854
855 /* No link sensing allowed */
856 port_type &= MLX4_VF_PORT_NO_LINK_SENSE_MASK;
857 /* set port type to currently operating port type */
858 port_type |= (dev->caps.port_type[vhcr->in_modifier] & 0x3);
859
860 MLX4_PUT(outbox->buf, port_type,
861 QUERY_PORT_SUPPORTED_TYPE_OFFSET);
862
863 short_field = 1; /* slave max gids */
864 MLX4_PUT(outbox->buf, short_field,
865 QUERY_PORT_CUR_MAX_GID_OFFSET);
866
867 short_field = dev->caps.pkey_table_len[vhcr->in_modifier];
868 MLX4_PUT(outbox->buf, short_field,
869 QUERY_PORT_CUR_MAX_PKEY_OFFSET);
870 }
871
872 return err;
873 }
874
875 int mlx4_get_slave_pkey_gid_tbl_len(struct mlx4_dev *dev, u8 port,
876 int *gid_tbl_len, int *pkey_tbl_len)
877 {
878 struct mlx4_cmd_mailbox *mailbox;
879 u32 *outbox;
880 u16 field;
881 int err;
882
883 mailbox = mlx4_alloc_cmd_mailbox(dev);
884 if (IS_ERR(mailbox))
885 return PTR_ERR(mailbox);
886
887 err = mlx4_cmd_box(dev, 0, mailbox->dma, port, 0,
888 MLX4_CMD_QUERY_PORT, MLX4_CMD_TIME_CLASS_B,
889 MLX4_CMD_WRAPPED);
890 if (err)
891 goto out;
892
893 outbox = mailbox->buf;
894
895 MLX4_GET(field, outbox, QUERY_PORT_CUR_MAX_GID_OFFSET);
896 *gid_tbl_len = field;
897
898 MLX4_GET(field, outbox, QUERY_PORT_CUR_MAX_PKEY_OFFSET);
899 *pkey_tbl_len = field;
900
901 out:
902 mlx4_free_cmd_mailbox(dev, mailbox);
903 return err;
904 }
905 EXPORT_SYMBOL(mlx4_get_slave_pkey_gid_tbl_len);
906
907 int mlx4_map_cmd(struct mlx4_dev *dev, u16 op, struct mlx4_icm *icm, u64 virt)
908 {
909 struct mlx4_cmd_mailbox *mailbox;
910 struct mlx4_icm_iter iter;
911 __be64 *pages;
912 int lg;
913 int nent = 0;
914 int i;
915 int err = 0;
916 int ts = 0, tc = 0;
917
918 mailbox = mlx4_alloc_cmd_mailbox(dev);
919 if (IS_ERR(mailbox))
920 return PTR_ERR(mailbox);
921 memset(mailbox->buf, 0, MLX4_MAILBOX_SIZE);
922 pages = mailbox->buf;
923
924 for (mlx4_icm_first(icm, &iter);
925 !mlx4_icm_last(&iter);
926 mlx4_icm_next(&iter)) {
927 /*
928 * We have to pass pages that are aligned to their
929 * size, so find the least significant 1 in the
930 * address or size and use that as our log2 size.
931 */
932 lg = ffs(mlx4_icm_addr(&iter) | mlx4_icm_size(&iter)) - 1;
933 if (lg < MLX4_ICM_PAGE_SHIFT) {
934 mlx4_warn(dev, "Got FW area not aligned to %d (%llx/%lx).\n",
935 MLX4_ICM_PAGE_SIZE,
936 (unsigned long long) mlx4_icm_addr(&iter),
937 mlx4_icm_size(&iter));
938 err = -EINVAL;
939 goto out;
940 }
941
942 for (i = 0; i < mlx4_icm_size(&iter) >> lg; ++i) {
943 if (virt != -1) {
944 pages[nent * 2] = cpu_to_be64(virt);
945 virt += 1 << lg;
946 }
947
948 pages[nent * 2 + 1] =
949 cpu_to_be64((mlx4_icm_addr(&iter) + (i << lg)) |
950 (lg - MLX4_ICM_PAGE_SHIFT));
951 ts += 1 << (lg - 10);
952 ++tc;
953
954 if (++nent == MLX4_MAILBOX_SIZE / 16) {
955 err = mlx4_cmd(dev, mailbox->dma, nent, 0, op,
956 MLX4_CMD_TIME_CLASS_B,
957 MLX4_CMD_NATIVE);
958 if (err)
959 goto out;
960 nent = 0;
961 }
962 }
963 }
964
965 if (nent)
966 err = mlx4_cmd(dev, mailbox->dma, nent, 0, op,
967 MLX4_CMD_TIME_CLASS_B, MLX4_CMD_NATIVE);
968 if (err)
969 goto out;
970
971 switch (op) {
972 case MLX4_CMD_MAP_FA:
973 mlx4_dbg(dev, "Mapped %d chunks/%d KB for FW.\n", tc, ts);
974 break;
975 case MLX4_CMD_MAP_ICM_AUX:
976 mlx4_dbg(dev, "Mapped %d chunks/%d KB for ICM aux.\n", tc, ts);
977 break;
978 case MLX4_CMD_MAP_ICM:
979 mlx4_dbg(dev, "Mapped %d chunks/%d KB at %llx for ICM.\n",
980 tc, ts, (unsigned long long) virt - (ts << 10));
981 break;
982 }
983
984 out:
985 mlx4_free_cmd_mailbox(dev, mailbox);
986 return err;
987 }
988
989 int mlx4_MAP_FA(struct mlx4_dev *dev, struct mlx4_icm *icm)
990 {
991 return mlx4_map_cmd(dev, MLX4_CMD_MAP_FA, icm, -1);
992 }
993
994 int mlx4_UNMAP_FA(struct mlx4_dev *dev)
995 {
996 return mlx4_cmd(dev, 0, 0, 0, MLX4_CMD_UNMAP_FA,
997 MLX4_CMD_TIME_CLASS_B, MLX4_CMD_NATIVE);
998 }
999
1000
1001 int mlx4_RUN_FW(struct mlx4_dev *dev)
1002 {
1003 return mlx4_cmd(dev, 0, 0, 0, MLX4_CMD_RUN_FW,
1004 MLX4_CMD_TIME_CLASS_A, MLX4_CMD_NATIVE);
1005 }
1006
1007 int mlx4_QUERY_FW(struct mlx4_dev *dev)
1008 {
1009 struct mlx4_fw *fw = &mlx4_priv(dev)->fw;
1010 struct mlx4_cmd *cmd = &mlx4_priv(dev)->cmd;
1011 struct mlx4_cmd_mailbox *mailbox;
1012 u32 *outbox;
1013 int err = 0;
1014 u64 fw_ver;
1015 u16 cmd_if_rev;
1016 u8 lg;
1017
1018 #define QUERY_FW_OUT_SIZE 0x100
1019 #define QUERY_FW_VER_OFFSET 0x00
1020 #define QUERY_FW_PPF_ID 0x09
1021 #define QUERY_FW_CMD_IF_REV_OFFSET 0x0a
1022 #define QUERY_FW_MAX_CMD_OFFSET 0x0f
1023 #define QUERY_FW_ERR_START_OFFSET 0x30
1024 #define QUERY_FW_ERR_SIZE_OFFSET 0x38
1025 #define QUERY_FW_ERR_BAR_OFFSET 0x3c
1026
1027 #define QUERY_FW_SIZE_OFFSET 0x00
1028 #define QUERY_FW_CLR_INT_BASE_OFFSET 0x20
1029 #define QUERY_FW_CLR_INT_BAR_OFFSET 0x28
1030
1031 #define QUERY_FW_COMM_BASE_OFFSET 0x40
1032 #define QUERY_FW_COMM_BAR_OFFSET 0x48
1033
1034 #define QUERY_FW_CLOCK_OFFSET 0x50
1035 #define QUERY_FW_CLOCK_BAR 0x58
1036
1037 mailbox = mlx4_alloc_cmd_mailbox(dev);
1038 if (IS_ERR(mailbox))
1039 return PTR_ERR(mailbox);
1040 outbox = mailbox->buf;
1041
1042 err = mlx4_cmd_box(dev, 0, mailbox->dma, 0, 0, MLX4_CMD_QUERY_FW,
1043 MLX4_CMD_TIME_CLASS_A, MLX4_CMD_NATIVE);
1044 if (err)
1045 goto out;
1046
1047 MLX4_GET(fw_ver, outbox, QUERY_FW_VER_OFFSET);
1048 /*
1049 * FW subminor version is at more significant bits than minor
1050 * version, so swap here.
1051 */
1052 dev->caps.fw_ver = (fw_ver & 0xffff00000000ull) |
1053 ((fw_ver & 0xffff0000ull) >> 16) |
1054 ((fw_ver & 0x0000ffffull) << 16);
1055
1056 MLX4_GET(lg, outbox, QUERY_FW_PPF_ID);
1057 dev->caps.function = lg;
1058
1059 if (mlx4_is_slave(dev))
1060 goto out;
1061
1062
1063 MLX4_GET(cmd_if_rev, outbox, QUERY_FW_CMD_IF_REV_OFFSET);
1064 if (cmd_if_rev < MLX4_COMMAND_INTERFACE_MIN_REV ||
1065 cmd_if_rev > MLX4_COMMAND_INTERFACE_MAX_REV) {
1066 mlx4_err(dev, "Installed FW has unsupported "
1067 "command interface revision %d.\n",
1068 cmd_if_rev);
1069 mlx4_err(dev, "(Installed FW version is %d.%d.%03d)\n",
1070 (int) (dev->caps.fw_ver >> 32),
1071 (int) (dev->caps.fw_ver >> 16) & 0xffff,
1072 (int) dev->caps.fw_ver & 0xffff);
1073 mlx4_err(dev, "This driver version supports only revisions %d to %d.\n",
1074 MLX4_COMMAND_INTERFACE_MIN_REV, MLX4_COMMAND_INTERFACE_MAX_REV);
1075 err = -ENODEV;
1076 goto out;
1077 }
1078
1079 if (cmd_if_rev < MLX4_COMMAND_INTERFACE_NEW_PORT_CMDS)
1080 dev->flags |= MLX4_FLAG_OLD_PORT_CMDS;
1081
1082 MLX4_GET(lg, outbox, QUERY_FW_MAX_CMD_OFFSET);
1083 cmd->max_cmds = 1 << lg;
1084
1085 mlx4_dbg(dev, "FW version %d.%d.%03d (cmd intf rev %d), max commands %d\n",
1086 (int) (dev->caps.fw_ver >> 32),
1087 (int) (dev->caps.fw_ver >> 16) & 0xffff,
1088 (int) dev->caps.fw_ver & 0xffff,
1089 cmd_if_rev, cmd->max_cmds);
1090
1091 MLX4_GET(fw->catas_offset, outbox, QUERY_FW_ERR_START_OFFSET);
1092 MLX4_GET(fw->catas_size, outbox, QUERY_FW_ERR_SIZE_OFFSET);
1093 MLX4_GET(fw->catas_bar, outbox, QUERY_FW_ERR_BAR_OFFSET);
1094 fw->catas_bar = (fw->catas_bar >> 6) * 2;
1095
1096 mlx4_dbg(dev, "Catastrophic error buffer at 0x%llx, size 0x%x, BAR %d\n",
1097 (unsigned long long) fw->catas_offset, fw->catas_size, fw->catas_bar);
1098
1099 MLX4_GET(fw->fw_pages, outbox, QUERY_FW_SIZE_OFFSET);
1100 MLX4_GET(fw->clr_int_base, outbox, QUERY_FW_CLR_INT_BASE_OFFSET);
1101 MLX4_GET(fw->clr_int_bar, outbox, QUERY_FW_CLR_INT_BAR_OFFSET);
1102 fw->clr_int_bar = (fw->clr_int_bar >> 6) * 2;
1103
1104 MLX4_GET(fw->comm_base, outbox, QUERY_FW_COMM_BASE_OFFSET);
1105 MLX4_GET(fw->comm_bar, outbox, QUERY_FW_COMM_BAR_OFFSET);
1106 fw->comm_bar = (fw->comm_bar >> 6) * 2;
1107 mlx4_dbg(dev, "Communication vector bar:%d offset:0x%llx\n",
1108 fw->comm_bar, fw->comm_base);
1109 mlx4_dbg(dev, "FW size %d KB\n", fw->fw_pages >> 2);
1110
1111 MLX4_GET(fw->clock_offset, outbox, QUERY_FW_CLOCK_OFFSET);
1112 MLX4_GET(fw->clock_bar, outbox, QUERY_FW_CLOCK_BAR);
1113 fw->clock_bar = (fw->clock_bar >> 6) * 2;
1114 mlx4_dbg(dev, "Internal clock bar:%d offset:0x%llx\n",
1115 fw->clock_bar, fw->clock_offset);
1116
1117 /*
1118 * Round up number of system pages needed in case
1119 * MLX4_ICM_PAGE_SIZE < PAGE_SIZE.
1120 */
1121 fw->fw_pages =
1122 ALIGN(fw->fw_pages, PAGE_SIZE / MLX4_ICM_PAGE_SIZE) >>
1123 (PAGE_SHIFT - MLX4_ICM_PAGE_SHIFT);
1124
1125 mlx4_dbg(dev, "Clear int @ %llx, BAR %d\n",
1126 (unsigned long long) fw->clr_int_base, fw->clr_int_bar);
1127
1128 out:
1129 mlx4_free_cmd_mailbox(dev, mailbox);
1130 return err;
1131 }
1132
1133 int mlx4_QUERY_FW_wrapper(struct mlx4_dev *dev, int slave,
1134 struct mlx4_vhcr *vhcr,
1135 struct mlx4_cmd_mailbox *inbox,
1136 struct mlx4_cmd_mailbox *outbox,
1137 struct mlx4_cmd_info *cmd)
1138 {
1139 u8 *outbuf;
1140 int err;
1141
1142 outbuf = outbox->buf;
1143 err = mlx4_cmd_box(dev, 0, outbox->dma, 0, 0, MLX4_CMD_QUERY_FW,
1144 MLX4_CMD_TIME_CLASS_A, MLX4_CMD_NATIVE);
1145 if (err)
1146 return err;
1147
1148 /* for slaves, set pci PPF ID to invalid and zero out everything
1149 * else except FW version */
1150 outbuf[0] = outbuf[1] = 0;
1151 memset(&outbuf[8], 0, QUERY_FW_OUT_SIZE - 8);
1152 outbuf[QUERY_FW_PPF_ID] = MLX4_INVALID_SLAVE_ID;
1153
1154 return 0;
1155 }
1156
1157 static void get_board_id(void *vsd, char *board_id)
1158 {
1159 int i;
1160
1161 #define VSD_OFFSET_SIG1 0x00
1162 #define VSD_OFFSET_SIG2 0xde
1163 #define VSD_OFFSET_MLX_BOARD_ID 0xd0
1164 #define VSD_OFFSET_TS_BOARD_ID 0x20
1165
1166 #define VSD_SIGNATURE_TOPSPIN 0x5ad
1167
1168 memset(board_id, 0, MLX4_BOARD_ID_LEN);
1169
1170 if (be16_to_cpup(vsd + VSD_OFFSET_SIG1) == VSD_SIGNATURE_TOPSPIN &&
1171 be16_to_cpup(vsd + VSD_OFFSET_SIG2) == VSD_SIGNATURE_TOPSPIN) {
1172 strlcpy(board_id, vsd + VSD_OFFSET_TS_BOARD_ID, MLX4_BOARD_ID_LEN);
1173 } else {
1174 /*
1175 * The board ID is a string but the firmware byte
1176 * swaps each 4-byte word before passing it back to
1177 * us. Therefore we need to swab it before printing.
1178 */
1179 for (i = 0; i < 4; ++i)
1180 ((u32 *) board_id)[i] =
1181 swab32(*(u32 *) (vsd + VSD_OFFSET_MLX_BOARD_ID + i * 4));
1182 }
1183 }
1184
1185 int mlx4_QUERY_ADAPTER(struct mlx4_dev *dev, struct mlx4_adapter *adapter)
1186 {
1187 struct mlx4_cmd_mailbox *mailbox;
1188 u32 *outbox;
1189 int err;
1190
1191 #define QUERY_ADAPTER_OUT_SIZE 0x100
1192 #define QUERY_ADAPTER_INTA_PIN_OFFSET 0x10
1193 #define QUERY_ADAPTER_VSD_OFFSET 0x20
1194
1195 mailbox = mlx4_alloc_cmd_mailbox(dev);
1196 if (IS_ERR(mailbox))
1197 return PTR_ERR(mailbox);
1198 outbox = mailbox->buf;
1199
1200 err = mlx4_cmd_box(dev, 0, mailbox->dma, 0, 0, MLX4_CMD_QUERY_ADAPTER,
1201 MLX4_CMD_TIME_CLASS_A, MLX4_CMD_NATIVE);
1202 if (err)
1203 goto out;
1204
1205 MLX4_GET(adapter->inta_pin, outbox, QUERY_ADAPTER_INTA_PIN_OFFSET);
1206
1207 get_board_id(outbox + QUERY_ADAPTER_VSD_OFFSET / 4,
1208 adapter->board_id);
1209
1210 out:
1211 mlx4_free_cmd_mailbox(dev, mailbox);
1212 return err;
1213 }
1214
1215 int mlx4_INIT_HCA(struct mlx4_dev *dev, struct mlx4_init_hca_param *param)
1216 {
1217 struct mlx4_cmd_mailbox *mailbox;
1218 __be32 *inbox;
1219 int err;
1220
1221 #define INIT_HCA_IN_SIZE 0x200
1222 #define INIT_HCA_VERSION_OFFSET 0x000
1223 #define INIT_HCA_VERSION 2
1224 #define INIT_HCA_CACHELINE_SZ_OFFSET 0x0e
1225 #define INIT_HCA_FLAGS_OFFSET 0x014
1226 #define INIT_HCA_QPC_OFFSET 0x020
1227 #define INIT_HCA_QPC_BASE_OFFSET (INIT_HCA_QPC_OFFSET + 0x10)
1228 #define INIT_HCA_LOG_QP_OFFSET (INIT_HCA_QPC_OFFSET + 0x17)
1229 #define INIT_HCA_SRQC_BASE_OFFSET (INIT_HCA_QPC_OFFSET + 0x28)
1230 #define INIT_HCA_LOG_SRQ_OFFSET (INIT_HCA_QPC_OFFSET + 0x2f)
1231 #define INIT_HCA_CQC_BASE_OFFSET (INIT_HCA_QPC_OFFSET + 0x30)
1232 #define INIT_HCA_LOG_CQ_OFFSET (INIT_HCA_QPC_OFFSET + 0x37)
1233 #define INIT_HCA_EQE_CQE_OFFSETS (INIT_HCA_QPC_OFFSET + 0x38)
1234 #define INIT_HCA_ALTC_BASE_OFFSET (INIT_HCA_QPC_OFFSET + 0x40)
1235 #define INIT_HCA_AUXC_BASE_OFFSET (INIT_HCA_QPC_OFFSET + 0x50)
1236 #define INIT_HCA_EQC_BASE_OFFSET (INIT_HCA_QPC_OFFSET + 0x60)
1237 #define INIT_HCA_LOG_EQ_OFFSET (INIT_HCA_QPC_OFFSET + 0x67)
1238 #define INIT_HCA_RDMARC_BASE_OFFSET (INIT_HCA_QPC_OFFSET + 0x70)
1239 #define INIT_HCA_LOG_RD_OFFSET (INIT_HCA_QPC_OFFSET + 0x77)
1240 #define INIT_HCA_MCAST_OFFSET 0x0c0
1241 #define INIT_HCA_MC_BASE_OFFSET (INIT_HCA_MCAST_OFFSET + 0x00)
1242 #define INIT_HCA_LOG_MC_ENTRY_SZ_OFFSET (INIT_HCA_MCAST_OFFSET + 0x12)
1243 #define INIT_HCA_LOG_MC_HASH_SZ_OFFSET (INIT_HCA_MCAST_OFFSET + 0x16)
1244 #define INIT_HCA_UC_STEERING_OFFSET (INIT_HCA_MCAST_OFFSET + 0x18)
1245 #define INIT_HCA_LOG_MC_TABLE_SZ_OFFSET (INIT_HCA_MCAST_OFFSET + 0x1b)
1246 #define INIT_HCA_DEVICE_MANAGED_FLOW_STEERING_EN 0x6
1247 #define INIT_HCA_FS_PARAM_OFFSET 0x1d0
1248 #define INIT_HCA_FS_BASE_OFFSET (INIT_HCA_FS_PARAM_OFFSET + 0x00)
1249 #define INIT_HCA_FS_LOG_ENTRY_SZ_OFFSET (INIT_HCA_FS_PARAM_OFFSET + 0x12)
1250 #define INIT_HCA_FS_LOG_TABLE_SZ_OFFSET (INIT_HCA_FS_PARAM_OFFSET + 0x1b)
1251 #define INIT_HCA_FS_ETH_BITS_OFFSET (INIT_HCA_FS_PARAM_OFFSET + 0x21)
1252 #define INIT_HCA_FS_ETH_NUM_ADDRS_OFFSET (INIT_HCA_FS_PARAM_OFFSET + 0x22)
1253 #define INIT_HCA_FS_IB_BITS_OFFSET (INIT_HCA_FS_PARAM_OFFSET + 0x25)
1254 #define INIT_HCA_FS_IB_NUM_ADDRS_OFFSET (INIT_HCA_FS_PARAM_OFFSET + 0x26)
1255 #define INIT_HCA_TPT_OFFSET 0x0f0
1256 #define INIT_HCA_DMPT_BASE_OFFSET (INIT_HCA_TPT_OFFSET + 0x00)
1257 #define INIT_HCA_TPT_MW_OFFSET (INIT_HCA_TPT_OFFSET + 0x08)
1258 #define INIT_HCA_LOG_MPT_SZ_OFFSET (INIT_HCA_TPT_OFFSET + 0x0b)
1259 #define INIT_HCA_MTT_BASE_OFFSET (INIT_HCA_TPT_OFFSET + 0x10)
1260 #define INIT_HCA_CMPT_BASE_OFFSET (INIT_HCA_TPT_OFFSET + 0x18)
1261 #define INIT_HCA_UAR_OFFSET 0x120
1262 #define INIT_HCA_LOG_UAR_SZ_OFFSET (INIT_HCA_UAR_OFFSET + 0x0a)
1263 #define INIT_HCA_UAR_PAGE_SZ_OFFSET (INIT_HCA_UAR_OFFSET + 0x0b)
1264
1265 mailbox = mlx4_alloc_cmd_mailbox(dev);
1266 if (IS_ERR(mailbox))
1267 return PTR_ERR(mailbox);
1268 inbox = mailbox->buf;
1269
1270 memset(inbox, 0, INIT_HCA_IN_SIZE);
1271
1272 *((u8 *) mailbox->buf + INIT_HCA_VERSION_OFFSET) = INIT_HCA_VERSION;
1273
1274 *((u8 *) mailbox->buf + INIT_HCA_CACHELINE_SZ_OFFSET) =
1275 (ilog2(cache_line_size()) - 4) << 5;
1276
1277 #if defined(__LITTLE_ENDIAN)
1278 *(inbox + INIT_HCA_FLAGS_OFFSET / 4) &= ~cpu_to_be32(1 << 1);
1279 #elif defined(__BIG_ENDIAN)
1280 *(inbox + INIT_HCA_FLAGS_OFFSET / 4) |= cpu_to_be32(1 << 1);
1281 #else
1282 #error Host endianness not defined
1283 #endif
1284 /* Check port for UD address vector: */
1285 *(inbox + INIT_HCA_FLAGS_OFFSET / 4) |= cpu_to_be32(1);
1286
1287 /* Enable IPoIB checksumming if we can: */
1288 if (dev->caps.flags & MLX4_DEV_CAP_FLAG_IPOIB_CSUM)
1289 *(inbox + INIT_HCA_FLAGS_OFFSET / 4) |= cpu_to_be32(1 << 3);
1290
1291 /* Enable QoS support if module parameter set */
1292 if (enable_qos)
1293 *(inbox + INIT_HCA_FLAGS_OFFSET / 4) |= cpu_to_be32(1 << 2);
1294
1295 /* enable counters */
1296 if (dev->caps.flags & MLX4_DEV_CAP_FLAG_COUNTERS)
1297 *(inbox + INIT_HCA_FLAGS_OFFSET / 4) |= cpu_to_be32(1 << 4);
1298
1299 /* CX3 is capable of extending CQEs/EQEs from 32 to 64 bytes */
1300 if (dev->caps.flags & MLX4_DEV_CAP_FLAG_64B_EQE) {
1301 *(inbox + INIT_HCA_EQE_CQE_OFFSETS / 4) |= cpu_to_be32(1 << 29);
1302 dev->caps.eqe_size = 64;
1303 dev->caps.eqe_factor = 1;
1304 } else {
1305 dev->caps.eqe_size = 32;
1306 dev->caps.eqe_factor = 0;
1307 }
1308
1309 if (dev->caps.flags & MLX4_DEV_CAP_FLAG_64B_CQE) {
1310 *(inbox + INIT_HCA_EQE_CQE_OFFSETS / 4) |= cpu_to_be32(1 << 30);
1311 dev->caps.cqe_size = 64;
1312 dev->caps.userspace_caps |= MLX4_USER_DEV_CAP_64B_CQE;
1313 } else {
1314 dev->caps.cqe_size = 32;
1315 }
1316
1317 /* QPC/EEC/CQC/EQC/RDMARC attributes */
1318
1319 MLX4_PUT(inbox, param->qpc_base, INIT_HCA_QPC_BASE_OFFSET);
1320 MLX4_PUT(inbox, param->log_num_qps, INIT_HCA_LOG_QP_OFFSET);
1321 MLX4_PUT(inbox, param->srqc_base, INIT_HCA_SRQC_BASE_OFFSET);
1322 MLX4_PUT(inbox, param->log_num_srqs, INIT_HCA_LOG_SRQ_OFFSET);
1323 MLX4_PUT(inbox, param->cqc_base, INIT_HCA_CQC_BASE_OFFSET);
1324 MLX4_PUT(inbox, param->log_num_cqs, INIT_HCA_LOG_CQ_OFFSET);
1325 MLX4_PUT(inbox, param->altc_base, INIT_HCA_ALTC_BASE_OFFSET);
1326 MLX4_PUT(inbox, param->auxc_base, INIT_HCA_AUXC_BASE_OFFSET);
1327 MLX4_PUT(inbox, param->eqc_base, INIT_HCA_EQC_BASE_OFFSET);
1328 MLX4_PUT(inbox, param->log_num_eqs, INIT_HCA_LOG_EQ_OFFSET);
1329 MLX4_PUT(inbox, param->rdmarc_base, INIT_HCA_RDMARC_BASE_OFFSET);
1330 MLX4_PUT(inbox, param->log_rd_per_qp, INIT_HCA_LOG_RD_OFFSET);
1331
1332 /* steering attributes */
1333 if (dev->caps.steering_mode ==
1334 MLX4_STEERING_MODE_DEVICE_MANAGED) {
1335 *(inbox + INIT_HCA_FLAGS_OFFSET / 4) |=
1336 cpu_to_be32(1 <<
1337 INIT_HCA_DEVICE_MANAGED_FLOW_STEERING_EN);
1338
1339 MLX4_PUT(inbox, param->mc_base, INIT_HCA_FS_BASE_OFFSET);
1340 MLX4_PUT(inbox, param->log_mc_entry_sz,
1341 INIT_HCA_FS_LOG_ENTRY_SZ_OFFSET);
1342 MLX4_PUT(inbox, param->log_mc_table_sz,
1343 INIT_HCA_FS_LOG_TABLE_SZ_OFFSET);
1344 /* Enable Ethernet flow steering
1345 * with udp unicast and tcp unicast
1346 */
1347 MLX4_PUT(inbox, (u8) (MLX4_FS_UDP_UC_EN | MLX4_FS_TCP_UC_EN),
1348 INIT_HCA_FS_ETH_BITS_OFFSET);
1349 MLX4_PUT(inbox, (u16) MLX4_FS_NUM_OF_L2_ADDR,
1350 INIT_HCA_FS_ETH_NUM_ADDRS_OFFSET);
1351 /* Enable IPoIB flow steering
1352 * with udp unicast and tcp unicast
1353 */
1354 MLX4_PUT(inbox, (u8) (MLX4_FS_UDP_UC_EN | MLX4_FS_TCP_UC_EN),
1355 INIT_HCA_FS_IB_BITS_OFFSET);
1356 MLX4_PUT(inbox, (u16) MLX4_FS_NUM_OF_L2_ADDR,
1357 INIT_HCA_FS_IB_NUM_ADDRS_OFFSET);
1358 } else {
1359 MLX4_PUT(inbox, param->mc_base, INIT_HCA_MC_BASE_OFFSET);
1360 MLX4_PUT(inbox, param->log_mc_entry_sz,
1361 INIT_HCA_LOG_MC_ENTRY_SZ_OFFSET);
1362 MLX4_PUT(inbox, param->log_mc_hash_sz,
1363 INIT_HCA_LOG_MC_HASH_SZ_OFFSET);
1364 MLX4_PUT(inbox, param->log_mc_table_sz,
1365 INIT_HCA_LOG_MC_TABLE_SZ_OFFSET);
1366 if (dev->caps.steering_mode == MLX4_STEERING_MODE_B0)
1367 MLX4_PUT(inbox, (u8) (1 << 3),
1368 INIT_HCA_UC_STEERING_OFFSET);
1369 }
1370
1371 /* TPT attributes */
1372
1373 MLX4_PUT(inbox, param->dmpt_base, INIT_HCA_DMPT_BASE_OFFSET);
1374 MLX4_PUT(inbox, param->mw_enabled, INIT_HCA_TPT_MW_OFFSET);
1375 MLX4_PUT(inbox, param->log_mpt_sz, INIT_HCA_LOG_MPT_SZ_OFFSET);
1376 MLX4_PUT(inbox, param->mtt_base, INIT_HCA_MTT_BASE_OFFSET);
1377 MLX4_PUT(inbox, param->cmpt_base, INIT_HCA_CMPT_BASE_OFFSET);
1378
1379 /* UAR attributes */
1380
1381 MLX4_PUT(inbox, param->uar_page_sz, INIT_HCA_UAR_PAGE_SZ_OFFSET);
1382 MLX4_PUT(inbox, param->log_uar_sz, INIT_HCA_LOG_UAR_SZ_OFFSET);
1383
1384 err = mlx4_cmd(dev, mailbox->dma, 0, 0, MLX4_CMD_INIT_HCA, 10000,
1385 MLX4_CMD_NATIVE);
1386
1387 if (err)
1388 mlx4_err(dev, "INIT_HCA returns %d\n", err);
1389
1390 mlx4_free_cmd_mailbox(dev, mailbox);
1391 return err;
1392 }
1393
1394 int mlx4_QUERY_HCA(struct mlx4_dev *dev,
1395 struct mlx4_init_hca_param *param)
1396 {
1397 struct mlx4_cmd_mailbox *mailbox;
1398 __be32 *outbox;
1399 u32 dword_field;
1400 int err;
1401 u8 byte_field;
1402
1403 #define QUERY_HCA_GLOBAL_CAPS_OFFSET 0x04
1404 #define QUERY_HCA_CORE_CLOCK_OFFSET 0x0c
1405
1406 mailbox = mlx4_alloc_cmd_mailbox(dev);
1407 if (IS_ERR(mailbox))
1408 return PTR_ERR(mailbox);
1409 outbox = mailbox->buf;
1410
1411 err = mlx4_cmd_box(dev, 0, mailbox->dma, 0, 0,
1412 MLX4_CMD_QUERY_HCA,
1413 MLX4_CMD_TIME_CLASS_B,
1414 !mlx4_is_slave(dev));
1415 if (err)
1416 goto out;
1417
1418 MLX4_GET(param->global_caps, outbox, QUERY_HCA_GLOBAL_CAPS_OFFSET);
1419 MLX4_GET(param->hca_core_clock, outbox, QUERY_HCA_CORE_CLOCK_OFFSET);
1420
1421 /* QPC/EEC/CQC/EQC/RDMARC attributes */
1422
1423 MLX4_GET(param->qpc_base, outbox, INIT_HCA_QPC_BASE_OFFSET);
1424 MLX4_GET(param->log_num_qps, outbox, INIT_HCA_LOG_QP_OFFSET);
1425 MLX4_GET(param->srqc_base, outbox, INIT_HCA_SRQC_BASE_OFFSET);
1426 MLX4_GET(param->log_num_srqs, outbox, INIT_HCA_LOG_SRQ_OFFSET);
1427 MLX4_GET(param->cqc_base, outbox, INIT_HCA_CQC_BASE_OFFSET);
1428 MLX4_GET(param->log_num_cqs, outbox, INIT_HCA_LOG_CQ_OFFSET);
1429 MLX4_GET(param->altc_base, outbox, INIT_HCA_ALTC_BASE_OFFSET);
1430 MLX4_GET(param->auxc_base, outbox, INIT_HCA_AUXC_BASE_OFFSET);
1431 MLX4_GET(param->eqc_base, outbox, INIT_HCA_EQC_BASE_OFFSET);
1432 MLX4_GET(param->log_num_eqs, outbox, INIT_HCA_LOG_EQ_OFFSET);
1433 MLX4_GET(param->rdmarc_base, outbox, INIT_HCA_RDMARC_BASE_OFFSET);
1434 MLX4_GET(param->log_rd_per_qp, outbox, INIT_HCA_LOG_RD_OFFSET);
1435
1436 MLX4_GET(dword_field, outbox, INIT_HCA_FLAGS_OFFSET);
1437 if (dword_field & (1 << INIT_HCA_DEVICE_MANAGED_FLOW_STEERING_EN)) {
1438 param->steering_mode = MLX4_STEERING_MODE_DEVICE_MANAGED;
1439 } else {
1440 MLX4_GET(byte_field, outbox, INIT_HCA_UC_STEERING_OFFSET);
1441 if (byte_field & 0x8)
1442 param->steering_mode = MLX4_STEERING_MODE_B0;
1443 else
1444 param->steering_mode = MLX4_STEERING_MODE_A0;
1445 }
1446 /* steering attributes */
1447 if (param->steering_mode == MLX4_STEERING_MODE_DEVICE_MANAGED) {
1448 MLX4_GET(param->mc_base, outbox, INIT_HCA_FS_BASE_OFFSET);
1449 MLX4_GET(param->log_mc_entry_sz, outbox,
1450 INIT_HCA_FS_LOG_ENTRY_SZ_OFFSET);
1451 MLX4_GET(param->log_mc_table_sz, outbox,
1452 INIT_HCA_FS_LOG_TABLE_SZ_OFFSET);
1453 } else {
1454 MLX4_GET(param->mc_base, outbox, INIT_HCA_MC_BASE_OFFSET);
1455 MLX4_GET(param->log_mc_entry_sz, outbox,
1456 INIT_HCA_LOG_MC_ENTRY_SZ_OFFSET);
1457 MLX4_GET(param->log_mc_hash_sz, outbox,
1458 INIT_HCA_LOG_MC_HASH_SZ_OFFSET);
1459 MLX4_GET(param->log_mc_table_sz, outbox,
1460 INIT_HCA_LOG_MC_TABLE_SZ_OFFSET);
1461 }
1462
1463 /* CX3 is capable of extending CQEs/EQEs from 32 to 64 bytes */
1464 MLX4_GET(byte_field, outbox, INIT_HCA_EQE_CQE_OFFSETS);
1465 if (byte_field & 0x20) /* 64-bytes eqe enabled */
1466 param->dev_cap_enabled |= MLX4_DEV_CAP_64B_EQE_ENABLED;
1467 if (byte_field & 0x40) /* 64-bytes cqe enabled */
1468 param->dev_cap_enabled |= MLX4_DEV_CAP_64B_CQE_ENABLED;
1469
1470 /* TPT attributes */
1471
1472 MLX4_GET(param->dmpt_base, outbox, INIT_HCA_DMPT_BASE_OFFSET);
1473 MLX4_GET(param->mw_enabled, outbox, INIT_HCA_TPT_MW_OFFSET);
1474 MLX4_GET(param->log_mpt_sz, outbox, INIT_HCA_LOG_MPT_SZ_OFFSET);
1475 MLX4_GET(param->mtt_base, outbox, INIT_HCA_MTT_BASE_OFFSET);
1476 MLX4_GET(param->cmpt_base, outbox, INIT_HCA_CMPT_BASE_OFFSET);
1477
1478 /* UAR attributes */
1479
1480 MLX4_GET(param->uar_page_sz, outbox, INIT_HCA_UAR_PAGE_SZ_OFFSET);
1481 MLX4_GET(param->log_uar_sz, outbox, INIT_HCA_LOG_UAR_SZ_OFFSET);
1482
1483 out:
1484 mlx4_free_cmd_mailbox(dev, mailbox);
1485
1486 return err;
1487 }
1488
1489 /* for IB-type ports only in SRIOV mode. Checks that both proxy QP0
1490 * and real QP0 are active, so that the paravirtualized QP0 is ready
1491 * to operate */
1492 static int check_qp0_state(struct mlx4_dev *dev, int function, int port)
1493 {
1494 struct mlx4_priv *priv = mlx4_priv(dev);
1495 /* irrelevant if not infiniband */
1496 if (priv->mfunc.master.qp0_state[port].proxy_qp0_active &&
1497 priv->mfunc.master.qp0_state[port].qp0_active)
1498 return 1;
1499 return 0;
1500 }
1501
1502 int mlx4_INIT_PORT_wrapper(struct mlx4_dev *dev, int slave,
1503 struct mlx4_vhcr *vhcr,
1504 struct mlx4_cmd_mailbox *inbox,
1505 struct mlx4_cmd_mailbox *outbox,
1506 struct mlx4_cmd_info *cmd)
1507 {
1508 struct mlx4_priv *priv = mlx4_priv(dev);
1509 int port = vhcr->in_modifier;
1510 int err;
1511
1512 if (priv->mfunc.master.slave_state[slave].init_port_mask & (1 << port))
1513 return 0;
1514
1515 if (dev->caps.port_mask[port] != MLX4_PORT_TYPE_IB) {
1516 /* Enable port only if it was previously disabled */
1517 if (!priv->mfunc.master.init_port_ref[port]) {
1518 err = mlx4_cmd(dev, 0, port, 0, MLX4_CMD_INIT_PORT,
1519 MLX4_CMD_TIME_CLASS_A, MLX4_CMD_NATIVE);
1520 if (err)
1521 return err;
1522 }
1523 priv->mfunc.master.slave_state[slave].init_port_mask |= (1 << port);
1524 } else {
1525 if (slave == mlx4_master_func_num(dev)) {
1526 if (check_qp0_state(dev, slave, port) &&
1527 !priv->mfunc.master.qp0_state[port].port_active) {
1528 err = mlx4_cmd(dev, 0, port, 0, MLX4_CMD_INIT_PORT,
1529 MLX4_CMD_TIME_CLASS_A, MLX4_CMD_NATIVE);
1530 if (err)
1531 return err;
1532 priv->mfunc.master.qp0_state[port].port_active = 1;
1533 priv->mfunc.master.slave_state[slave].init_port_mask |= (1 << port);
1534 }
1535 } else
1536 priv->mfunc.master.slave_state[slave].init_port_mask |= (1 << port);
1537 }
1538 ++priv->mfunc.master.init_port_ref[port];
1539 return 0;
1540 }
1541
1542 int mlx4_INIT_PORT(struct mlx4_dev *dev, int port)
1543 {
1544 struct mlx4_cmd_mailbox *mailbox;
1545 u32 *inbox;
1546 int err;
1547 u32 flags;
1548 u16 field;
1549
1550 if (dev->flags & MLX4_FLAG_OLD_PORT_CMDS) {
1551 #define INIT_PORT_IN_SIZE 256
1552 #define INIT_PORT_FLAGS_OFFSET 0x00
1553 #define INIT_PORT_FLAG_SIG (1 << 18)
1554 #define INIT_PORT_FLAG_NG (1 << 17)
1555 #define INIT_PORT_FLAG_G0 (1 << 16)
1556 #define INIT_PORT_VL_SHIFT 4
1557 #define INIT_PORT_PORT_WIDTH_SHIFT 8
1558 #define INIT_PORT_MTU_OFFSET 0x04
1559 #define INIT_PORT_MAX_GID_OFFSET 0x06
1560 #define INIT_PORT_MAX_PKEY_OFFSET 0x0a
1561 #define INIT_PORT_GUID0_OFFSET 0x10
1562 #define INIT_PORT_NODE_GUID_OFFSET 0x18
1563 #define INIT_PORT_SI_GUID_OFFSET 0x20
1564
1565 mailbox = mlx4_alloc_cmd_mailbox(dev);
1566 if (IS_ERR(mailbox))
1567 return PTR_ERR(mailbox);
1568 inbox = mailbox->buf;
1569
1570 memset(inbox, 0, INIT_PORT_IN_SIZE);
1571
1572 flags = 0;
1573 flags |= (dev->caps.vl_cap[port] & 0xf) << INIT_PORT_VL_SHIFT;
1574 flags |= (dev->caps.port_width_cap[port] & 0xf) << INIT_PORT_PORT_WIDTH_SHIFT;
1575 MLX4_PUT(inbox, flags, INIT_PORT_FLAGS_OFFSET);
1576
1577 field = 128 << dev->caps.ib_mtu_cap[port];
1578 MLX4_PUT(inbox, field, INIT_PORT_MTU_OFFSET);
1579 field = dev->caps.gid_table_len[port];
1580 MLX4_PUT(inbox, field, INIT_PORT_MAX_GID_OFFSET);
1581 field = dev->caps.pkey_table_len[port];
1582 MLX4_PUT(inbox, field, INIT_PORT_MAX_PKEY_OFFSET);
1583
1584 err = mlx4_cmd(dev, mailbox->dma, port, 0, MLX4_CMD_INIT_PORT,
1585 MLX4_CMD_TIME_CLASS_A, MLX4_CMD_NATIVE);
1586
1587 mlx4_free_cmd_mailbox(dev, mailbox);
1588 } else
1589 err = mlx4_cmd(dev, 0, port, 0, MLX4_CMD_INIT_PORT,
1590 MLX4_CMD_TIME_CLASS_A, MLX4_CMD_WRAPPED);
1591
1592 return err;
1593 }
1594 EXPORT_SYMBOL_GPL(mlx4_INIT_PORT);
1595
1596 int mlx4_CLOSE_PORT_wrapper(struct mlx4_dev *dev, int slave,
1597 struct mlx4_vhcr *vhcr,
1598 struct mlx4_cmd_mailbox *inbox,
1599 struct mlx4_cmd_mailbox *outbox,
1600 struct mlx4_cmd_info *cmd)
1601 {
1602 struct mlx4_priv *priv = mlx4_priv(dev);
1603 int port = vhcr->in_modifier;
1604 int err;
1605
1606 if (!(priv->mfunc.master.slave_state[slave].init_port_mask &
1607 (1 << port)))
1608 return 0;
1609
1610 if (dev->caps.port_mask[port] != MLX4_PORT_TYPE_IB) {
1611 if (priv->mfunc.master.init_port_ref[port] == 1) {
1612 err = mlx4_cmd(dev, 0, port, 0, MLX4_CMD_CLOSE_PORT,
1613 1000, MLX4_CMD_NATIVE);
1614 if (err)
1615 return err;
1616 }
1617 priv->mfunc.master.slave_state[slave].init_port_mask &= ~(1 << port);
1618 } else {
1619 /* infiniband port */
1620 if (slave == mlx4_master_func_num(dev)) {
1621 if (!priv->mfunc.master.qp0_state[port].qp0_active &&
1622 priv->mfunc.master.qp0_state[port].port_active) {
1623 err = mlx4_cmd(dev, 0, port, 0, MLX4_CMD_CLOSE_PORT,
1624 1000, MLX4_CMD_NATIVE);
1625 if (err)
1626 return err;
1627 priv->mfunc.master.slave_state[slave].init_port_mask &= ~(1 << port);
1628 priv->mfunc.master.qp0_state[port].port_active = 0;
1629 }
1630 } else
1631 priv->mfunc.master.slave_state[slave].init_port_mask &= ~(1 << port);
1632 }
1633 --priv->mfunc.master.init_port_ref[port];
1634 return 0;
1635 }
1636
1637 int mlx4_CLOSE_PORT(struct mlx4_dev *dev, int port)
1638 {
1639 return mlx4_cmd(dev, 0, port, 0, MLX4_CMD_CLOSE_PORT, 1000,
1640 MLX4_CMD_WRAPPED);
1641 }
1642 EXPORT_SYMBOL_GPL(mlx4_CLOSE_PORT);
1643
1644 int mlx4_CLOSE_HCA(struct mlx4_dev *dev, int panic)
1645 {
1646 return mlx4_cmd(dev, 0, 0, panic, MLX4_CMD_CLOSE_HCA, 1000,
1647 MLX4_CMD_NATIVE);
1648 }
1649
1650 int mlx4_SET_ICM_SIZE(struct mlx4_dev *dev, u64 icm_size, u64 *aux_pages)
1651 {
1652 int ret = mlx4_cmd_imm(dev, icm_size, aux_pages, 0, 0,
1653 MLX4_CMD_SET_ICM_SIZE,
1654 MLX4_CMD_TIME_CLASS_A, MLX4_CMD_NATIVE);
1655 if (ret)
1656 return ret;
1657
1658 /*
1659 * Round up number of system pages needed in case
1660 * MLX4_ICM_PAGE_SIZE < PAGE_SIZE.
1661 */
1662 *aux_pages = ALIGN(*aux_pages, PAGE_SIZE / MLX4_ICM_PAGE_SIZE) >>
1663 (PAGE_SHIFT - MLX4_ICM_PAGE_SHIFT);
1664
1665 return 0;
1666 }
1667
1668 int mlx4_NOP(struct mlx4_dev *dev)
1669 {
1670 /* Input modifier of 0x1f means "finish as soon as possible." */
1671 return mlx4_cmd(dev, 0, 0x1f, 0, MLX4_CMD_NOP, 100, MLX4_CMD_NATIVE);
1672 }
1673
1674 #define MLX4_WOL_SETUP_MODE (5 << 28)
1675 int mlx4_wol_read(struct mlx4_dev *dev, u64 *config, int port)
1676 {
1677 u32 in_mod = MLX4_WOL_SETUP_MODE | port << 8;
1678
1679 return mlx4_cmd_imm(dev, 0, config, in_mod, 0x3,
1680 MLX4_CMD_MOD_STAT_CFG, MLX4_CMD_TIME_CLASS_A,
1681 MLX4_CMD_NATIVE);
1682 }
1683 EXPORT_SYMBOL_GPL(mlx4_wol_read);
1684
1685 int mlx4_wol_write(struct mlx4_dev *dev, u64 config, int port)
1686 {
1687 u32 in_mod = MLX4_WOL_SETUP_MODE | port << 8;
1688
1689 return mlx4_cmd(dev, config, in_mod, 0x1, MLX4_CMD_MOD_STAT_CFG,
1690 MLX4_CMD_TIME_CLASS_A, MLX4_CMD_NATIVE);
1691 }
1692 EXPORT_SYMBOL_GPL(mlx4_wol_write);
kernel source for telekom puls (alcatel/mediatek)