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mlx4_core: Changing link sensing logic
[mirror_ubuntu-zesty-kernel.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 int 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] = "DPDP",
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 };
113 int i;
114
115 mlx4_dbg(dev, "DEV_CAP flags:\n");
116 for (i = 0; i < ARRAY_SIZE(fname); ++i)
117 if (fname[i] && (flags & (1LL << i)))
118 mlx4_dbg(dev, " %s\n", fname[i]);
119 }
120
121 int mlx4_MOD_STAT_CFG(struct mlx4_dev *dev, struct mlx4_mod_stat_cfg *cfg)
122 {
123 struct mlx4_cmd_mailbox *mailbox;
124 u32 *inbox;
125 int err = 0;
126
127 #define MOD_STAT_CFG_IN_SIZE 0x100
128
129 #define MOD_STAT_CFG_PG_SZ_M_OFFSET 0x002
130 #define MOD_STAT_CFG_PG_SZ_OFFSET 0x003
131
132 mailbox = mlx4_alloc_cmd_mailbox(dev);
133 if (IS_ERR(mailbox))
134 return PTR_ERR(mailbox);
135 inbox = mailbox->buf;
136
137 memset(inbox, 0, MOD_STAT_CFG_IN_SIZE);
138
139 MLX4_PUT(inbox, cfg->log_pg_sz, MOD_STAT_CFG_PG_SZ_OFFSET);
140 MLX4_PUT(inbox, cfg->log_pg_sz_m, MOD_STAT_CFG_PG_SZ_M_OFFSET);
141
142 err = mlx4_cmd(dev, mailbox->dma, 0, 0, MLX4_CMD_MOD_STAT_CFG,
143 MLX4_CMD_TIME_CLASS_A, MLX4_CMD_NATIVE);
144
145 mlx4_free_cmd_mailbox(dev, mailbox);
146 return err;
147 }
148
149 int mlx4_QUERY_FUNC_CAP_wrapper(struct mlx4_dev *dev, int slave,
150 struct mlx4_vhcr *vhcr,
151 struct mlx4_cmd_mailbox *inbox,
152 struct mlx4_cmd_mailbox *outbox,
153 struct mlx4_cmd_info *cmd)
154 {
155 u8 field;
156 u32 size;
157 int err = 0;
158
159 #define QUERY_FUNC_CAP_FLAGS_OFFSET 0x0
160 #define QUERY_FUNC_CAP_NUM_PORTS_OFFSET 0x1
161 #define QUERY_FUNC_CAP_FUNCTION_OFFSET 0x3
162 #define QUERY_FUNC_CAP_PF_BHVR_OFFSET 0x4
163 #define QUERY_FUNC_CAP_QP_QUOTA_OFFSET 0x10
164 #define QUERY_FUNC_CAP_CQ_QUOTA_OFFSET 0x14
165 #define QUERY_FUNC_CAP_SRQ_QUOTA_OFFSET 0x18
166 #define QUERY_FUNC_CAP_MPT_QUOTA_OFFSET 0x20
167 #define QUERY_FUNC_CAP_MTT_QUOTA_OFFSET 0x24
168 #define QUERY_FUNC_CAP_MCG_QUOTA_OFFSET 0x28
169 #define QUERY_FUNC_CAP_MAX_EQ_OFFSET 0x2c
170 #define QUERY_FUNC_CAP_RESERVED_EQ_OFFSET 0X30
171
172 #define QUERY_FUNC_CAP_PHYS_PORT_OFFSET 0x3
173 #define QUERY_FUNC_CAP_ETH_PROPS_OFFSET 0xc
174
175 if (vhcr->op_modifier == 1) {
176 field = vhcr->in_modifier;
177 MLX4_PUT(outbox->buf, field, QUERY_FUNC_CAP_PHYS_PORT_OFFSET);
178
179 field = 0; /* ensure fvl bit is not set */
180 MLX4_PUT(outbox->buf, field, QUERY_FUNC_CAP_ETH_PROPS_OFFSET);
181 } else if (vhcr->op_modifier == 0) {
182 field = 1 << 7; /* enable only ethernet interface */
183 MLX4_PUT(outbox->buf, field, QUERY_FUNC_CAP_FLAGS_OFFSET);
184
185 field = slave;
186 MLX4_PUT(outbox->buf, field, QUERY_FUNC_CAP_FUNCTION_OFFSET);
187
188 field = dev->caps.num_ports;
189 MLX4_PUT(outbox->buf, field, QUERY_FUNC_CAP_NUM_PORTS_OFFSET);
190
191 size = 0; /* no PF behavious is set for now */
192 MLX4_PUT(outbox->buf, size, QUERY_FUNC_CAP_PF_BHVR_OFFSET);
193
194 size = dev->caps.num_qps;
195 MLX4_PUT(outbox->buf, size, QUERY_FUNC_CAP_QP_QUOTA_OFFSET);
196
197 size = dev->caps.num_srqs;
198 MLX4_PUT(outbox->buf, size, QUERY_FUNC_CAP_SRQ_QUOTA_OFFSET);
199
200 size = dev->caps.num_cqs;
201 MLX4_PUT(outbox->buf, size, QUERY_FUNC_CAP_CQ_QUOTA_OFFSET);
202
203 size = dev->caps.num_eqs;
204 MLX4_PUT(outbox->buf, size, QUERY_FUNC_CAP_MAX_EQ_OFFSET);
205
206 size = dev->caps.reserved_eqs;
207 MLX4_PUT(outbox->buf, size, QUERY_FUNC_CAP_RESERVED_EQ_OFFSET);
208
209 size = dev->caps.num_mpts;
210 MLX4_PUT(outbox->buf, size, QUERY_FUNC_CAP_MPT_QUOTA_OFFSET);
211
212 size = dev->caps.num_mtts;
213 MLX4_PUT(outbox->buf, size, QUERY_FUNC_CAP_MTT_QUOTA_OFFSET);
214
215 size = dev->caps.num_mgms + dev->caps.num_amgms;
216 MLX4_PUT(outbox->buf, size, QUERY_FUNC_CAP_MCG_QUOTA_OFFSET);
217
218 } else
219 err = -EINVAL;
220
221 return err;
222 }
223
224 int mlx4_QUERY_FUNC_CAP(struct mlx4_dev *dev, struct mlx4_func_cap *func_cap)
225 {
226 struct mlx4_cmd_mailbox *mailbox;
227 u32 *outbox;
228 u8 field;
229 u32 size;
230 int i;
231 int err = 0;
232
233
234 mailbox = mlx4_alloc_cmd_mailbox(dev);
235 if (IS_ERR(mailbox))
236 return PTR_ERR(mailbox);
237
238 err = mlx4_cmd_box(dev, 0, mailbox->dma, 0, 0, MLX4_CMD_QUERY_FUNC_CAP,
239 MLX4_CMD_TIME_CLASS_A, MLX4_CMD_WRAPPED);
240 if (err)
241 goto out;
242
243 outbox = mailbox->buf;
244
245 MLX4_GET(field, outbox, QUERY_FUNC_CAP_FLAGS_OFFSET);
246 if (!(field & (1 << 7))) {
247 mlx4_err(dev, "The host doesn't support eth interface\n");
248 err = -EPROTONOSUPPORT;
249 goto out;
250 }
251
252 MLX4_GET(field, outbox, QUERY_FUNC_CAP_FUNCTION_OFFSET);
253 func_cap->function = field;
254
255 MLX4_GET(field, outbox, QUERY_FUNC_CAP_NUM_PORTS_OFFSET);
256 func_cap->num_ports = field;
257
258 MLX4_GET(size, outbox, QUERY_FUNC_CAP_PF_BHVR_OFFSET);
259 func_cap->pf_context_behaviour = size;
260
261 MLX4_GET(size, outbox, QUERY_FUNC_CAP_QP_QUOTA_OFFSET);
262 func_cap->qp_quota = size & 0xFFFFFF;
263
264 MLX4_GET(size, outbox, QUERY_FUNC_CAP_SRQ_QUOTA_OFFSET);
265 func_cap->srq_quota = size & 0xFFFFFF;
266
267 MLX4_GET(size, outbox, QUERY_FUNC_CAP_CQ_QUOTA_OFFSET);
268 func_cap->cq_quota = size & 0xFFFFFF;
269
270 MLX4_GET(size, outbox, QUERY_FUNC_CAP_MAX_EQ_OFFSET);
271 func_cap->max_eq = size & 0xFFFFFF;
272
273 MLX4_GET(size, outbox, QUERY_FUNC_CAP_RESERVED_EQ_OFFSET);
274 func_cap->reserved_eq = size & 0xFFFFFF;
275
276 MLX4_GET(size, outbox, QUERY_FUNC_CAP_MPT_QUOTA_OFFSET);
277 func_cap->mpt_quota = size & 0xFFFFFF;
278
279 MLX4_GET(size, outbox, QUERY_FUNC_CAP_MTT_QUOTA_OFFSET);
280 func_cap->mtt_quota = size & 0xFFFFFF;
281
282 MLX4_GET(size, outbox, QUERY_FUNC_CAP_MCG_QUOTA_OFFSET);
283 func_cap->mcg_quota = size & 0xFFFFFF;
284
285 for (i = 1; i <= func_cap->num_ports; ++i) {
286 err = mlx4_cmd_box(dev, 0, mailbox->dma, i, 1,
287 MLX4_CMD_QUERY_FUNC_CAP,
288 MLX4_CMD_TIME_CLASS_A, MLX4_CMD_WRAPPED);
289 if (err)
290 goto out;
291
292 MLX4_GET(field, outbox, QUERY_FUNC_CAP_ETH_PROPS_OFFSET);
293 if (field & (1 << 7)) {
294 mlx4_err(dev, "VLAN is enforced on this port\n");
295 err = -EPROTONOSUPPORT;
296 goto out;
297 }
298
299 if (field & (1 << 6)) {
300 mlx4_err(dev, "Force mac is enabled on this port\n");
301 err = -EPROTONOSUPPORT;
302 goto out;
303 }
304
305 MLX4_GET(field, outbox, QUERY_FUNC_CAP_PHYS_PORT_OFFSET);
306 func_cap->physical_port[i] = field;
307 }
308
309 /* All other resources are allocated by the master, but we still report
310 * 'num' and 'reserved' capabilities as follows:
311 * - num remains the maximum resource index
312 * - 'num - reserved' is the total available objects of a resource, but
313 * resource indices may be less than 'reserved'
314 * TODO: set per-resource quotas */
315
316 out:
317 mlx4_free_cmd_mailbox(dev, mailbox);
318
319 return err;
320 }
321
322 int mlx4_QUERY_DEV_CAP(struct mlx4_dev *dev, struct mlx4_dev_cap *dev_cap)
323 {
324 struct mlx4_cmd_mailbox *mailbox;
325 u32 *outbox;
326 u8 field;
327 u32 field32, flags, ext_flags;
328 u16 size;
329 u16 stat_rate;
330 int err;
331 int i;
332
333 #define QUERY_DEV_CAP_OUT_SIZE 0x100
334 #define QUERY_DEV_CAP_MAX_SRQ_SZ_OFFSET 0x10
335 #define QUERY_DEV_CAP_MAX_QP_SZ_OFFSET 0x11
336 #define QUERY_DEV_CAP_RSVD_QP_OFFSET 0x12
337 #define QUERY_DEV_CAP_MAX_QP_OFFSET 0x13
338 #define QUERY_DEV_CAP_RSVD_SRQ_OFFSET 0x14
339 #define QUERY_DEV_CAP_MAX_SRQ_OFFSET 0x15
340 #define QUERY_DEV_CAP_RSVD_EEC_OFFSET 0x16
341 #define QUERY_DEV_CAP_MAX_EEC_OFFSET 0x17
342 #define QUERY_DEV_CAP_MAX_CQ_SZ_OFFSET 0x19
343 #define QUERY_DEV_CAP_RSVD_CQ_OFFSET 0x1a
344 #define QUERY_DEV_CAP_MAX_CQ_OFFSET 0x1b
345 #define QUERY_DEV_CAP_MAX_MPT_OFFSET 0x1d
346 #define QUERY_DEV_CAP_RSVD_EQ_OFFSET 0x1e
347 #define QUERY_DEV_CAP_MAX_EQ_OFFSET 0x1f
348 #define QUERY_DEV_CAP_RSVD_MTT_OFFSET 0x20
349 #define QUERY_DEV_CAP_MAX_MRW_SZ_OFFSET 0x21
350 #define QUERY_DEV_CAP_RSVD_MRW_OFFSET 0x22
351 #define QUERY_DEV_CAP_MAX_MTT_SEG_OFFSET 0x23
352 #define QUERY_DEV_CAP_MAX_AV_OFFSET 0x27
353 #define QUERY_DEV_CAP_MAX_REQ_QP_OFFSET 0x29
354 #define QUERY_DEV_CAP_MAX_RES_QP_OFFSET 0x2b
355 #define QUERY_DEV_CAP_MAX_GSO_OFFSET 0x2d
356 #define QUERY_DEV_CAP_MAX_RDMA_OFFSET 0x2f
357 #define QUERY_DEV_CAP_RSZ_SRQ_OFFSET 0x33
358 #define QUERY_DEV_CAP_ACK_DELAY_OFFSET 0x35
359 #define QUERY_DEV_CAP_MTU_WIDTH_OFFSET 0x36
360 #define QUERY_DEV_CAP_VL_PORT_OFFSET 0x37
361 #define QUERY_DEV_CAP_MAX_MSG_SZ_OFFSET 0x38
362 #define QUERY_DEV_CAP_MAX_GID_OFFSET 0x3b
363 #define QUERY_DEV_CAP_RATE_SUPPORT_OFFSET 0x3c
364 #define QUERY_DEV_CAP_MAX_PKEY_OFFSET 0x3f
365 #define QUERY_DEV_CAP_EXT_FLAGS_OFFSET 0x40
366 #define QUERY_DEV_CAP_FLAGS_OFFSET 0x44
367 #define QUERY_DEV_CAP_RSVD_UAR_OFFSET 0x48
368 #define QUERY_DEV_CAP_UAR_SZ_OFFSET 0x49
369 #define QUERY_DEV_CAP_PAGE_SZ_OFFSET 0x4b
370 #define QUERY_DEV_CAP_BF_OFFSET 0x4c
371 #define QUERY_DEV_CAP_LOG_BF_REG_SZ_OFFSET 0x4d
372 #define QUERY_DEV_CAP_LOG_MAX_BF_REGS_PER_PAGE_OFFSET 0x4e
373 #define QUERY_DEV_CAP_LOG_MAX_BF_PAGES_OFFSET 0x4f
374 #define QUERY_DEV_CAP_MAX_SG_SQ_OFFSET 0x51
375 #define QUERY_DEV_CAP_MAX_DESC_SZ_SQ_OFFSET 0x52
376 #define QUERY_DEV_CAP_MAX_SG_RQ_OFFSET 0x55
377 #define QUERY_DEV_CAP_MAX_DESC_SZ_RQ_OFFSET 0x56
378 #define QUERY_DEV_CAP_MAX_QP_MCG_OFFSET 0x61
379 #define QUERY_DEV_CAP_RSVD_MCG_OFFSET 0x62
380 #define QUERY_DEV_CAP_MAX_MCG_OFFSET 0x63
381 #define QUERY_DEV_CAP_RSVD_PD_OFFSET 0x64
382 #define QUERY_DEV_CAP_MAX_PD_OFFSET 0x65
383 #define QUERY_DEV_CAP_RSVD_XRC_OFFSET 0x66
384 #define QUERY_DEV_CAP_MAX_XRC_OFFSET 0x67
385 #define QUERY_DEV_CAP_MAX_COUNTERS_OFFSET 0x68
386 #define QUERY_DEV_CAP_RDMARC_ENTRY_SZ_OFFSET 0x80
387 #define QUERY_DEV_CAP_QPC_ENTRY_SZ_OFFSET 0x82
388 #define QUERY_DEV_CAP_AUX_ENTRY_SZ_OFFSET 0x84
389 #define QUERY_DEV_CAP_ALTC_ENTRY_SZ_OFFSET 0x86
390 #define QUERY_DEV_CAP_EQC_ENTRY_SZ_OFFSET 0x88
391 #define QUERY_DEV_CAP_CQC_ENTRY_SZ_OFFSET 0x8a
392 #define QUERY_DEV_CAP_SRQ_ENTRY_SZ_OFFSET 0x8c
393 #define QUERY_DEV_CAP_C_MPT_ENTRY_SZ_OFFSET 0x8e
394 #define QUERY_DEV_CAP_MTT_ENTRY_SZ_OFFSET 0x90
395 #define QUERY_DEV_CAP_D_MPT_ENTRY_SZ_OFFSET 0x92
396 #define QUERY_DEV_CAP_BMME_FLAGS_OFFSET 0x94
397 #define QUERY_DEV_CAP_RSVD_LKEY_OFFSET 0x98
398 #define QUERY_DEV_CAP_MAX_ICM_SZ_OFFSET 0xa0
399
400 mailbox = mlx4_alloc_cmd_mailbox(dev);
401 if (IS_ERR(mailbox))
402 return PTR_ERR(mailbox);
403 outbox = mailbox->buf;
404
405 err = mlx4_cmd_box(dev, 0, mailbox->dma, 0, 0, MLX4_CMD_QUERY_DEV_CAP,
406 MLX4_CMD_TIME_CLASS_A, !mlx4_is_slave(dev));
407 if (err)
408 goto out;
409
410 MLX4_GET(field, outbox, QUERY_DEV_CAP_RSVD_QP_OFFSET);
411 dev_cap->reserved_qps = 1 << (field & 0xf);
412 MLX4_GET(field, outbox, QUERY_DEV_CAP_MAX_QP_OFFSET);
413 dev_cap->max_qps = 1 << (field & 0x1f);
414 MLX4_GET(field, outbox, QUERY_DEV_CAP_RSVD_SRQ_OFFSET);
415 dev_cap->reserved_srqs = 1 << (field >> 4);
416 MLX4_GET(field, outbox, QUERY_DEV_CAP_MAX_SRQ_OFFSET);
417 dev_cap->max_srqs = 1 << (field & 0x1f);
418 MLX4_GET(field, outbox, QUERY_DEV_CAP_MAX_CQ_SZ_OFFSET);
419 dev_cap->max_cq_sz = 1 << field;
420 MLX4_GET(field, outbox, QUERY_DEV_CAP_RSVD_CQ_OFFSET);
421 dev_cap->reserved_cqs = 1 << (field & 0xf);
422 MLX4_GET(field, outbox, QUERY_DEV_CAP_MAX_CQ_OFFSET);
423 dev_cap->max_cqs = 1 << (field & 0x1f);
424 MLX4_GET(field, outbox, QUERY_DEV_CAP_MAX_MPT_OFFSET);
425 dev_cap->max_mpts = 1 << (field & 0x3f);
426 MLX4_GET(field, outbox, QUERY_DEV_CAP_RSVD_EQ_OFFSET);
427 dev_cap->reserved_eqs = field & 0xf;
428 MLX4_GET(field, outbox, QUERY_DEV_CAP_MAX_EQ_OFFSET);
429 dev_cap->max_eqs = 1 << (field & 0xf);
430 MLX4_GET(field, outbox, QUERY_DEV_CAP_RSVD_MTT_OFFSET);
431 dev_cap->reserved_mtts = 1 << (field >> 4);
432 MLX4_GET(field, outbox, QUERY_DEV_CAP_MAX_MRW_SZ_OFFSET);
433 dev_cap->max_mrw_sz = 1 << field;
434 MLX4_GET(field, outbox, QUERY_DEV_CAP_RSVD_MRW_OFFSET);
435 dev_cap->reserved_mrws = 1 << (field & 0xf);
436 MLX4_GET(field, outbox, QUERY_DEV_CAP_MAX_MTT_SEG_OFFSET);
437 dev_cap->max_mtt_seg = 1 << (field & 0x3f);
438 MLX4_GET(field, outbox, QUERY_DEV_CAP_MAX_REQ_QP_OFFSET);
439 dev_cap->max_requester_per_qp = 1 << (field & 0x3f);
440 MLX4_GET(field, outbox, QUERY_DEV_CAP_MAX_RES_QP_OFFSET);
441 dev_cap->max_responder_per_qp = 1 << (field & 0x3f);
442 MLX4_GET(field, outbox, QUERY_DEV_CAP_MAX_GSO_OFFSET);
443 field &= 0x1f;
444 if (!field)
445 dev_cap->max_gso_sz = 0;
446 else
447 dev_cap->max_gso_sz = 1 << field;
448
449 MLX4_GET(field, outbox, QUERY_DEV_CAP_MAX_RDMA_OFFSET);
450 dev_cap->max_rdma_global = 1 << (field & 0x3f);
451 MLX4_GET(field, outbox, QUERY_DEV_CAP_ACK_DELAY_OFFSET);
452 dev_cap->local_ca_ack_delay = field & 0x1f;
453 MLX4_GET(field, outbox, QUERY_DEV_CAP_VL_PORT_OFFSET);
454 dev_cap->num_ports = field & 0xf;
455 MLX4_GET(field, outbox, QUERY_DEV_CAP_MAX_MSG_SZ_OFFSET);
456 dev_cap->max_msg_sz = 1 << (field & 0x1f);
457 MLX4_GET(stat_rate, outbox, QUERY_DEV_CAP_RATE_SUPPORT_OFFSET);
458 dev_cap->stat_rate_support = stat_rate;
459 MLX4_GET(ext_flags, outbox, QUERY_DEV_CAP_EXT_FLAGS_OFFSET);
460 MLX4_GET(flags, outbox, QUERY_DEV_CAP_FLAGS_OFFSET);
461 dev_cap->flags = flags | (u64)ext_flags << 32;
462 MLX4_GET(field, outbox, QUERY_DEV_CAP_RSVD_UAR_OFFSET);
463 dev_cap->reserved_uars = field >> 4;
464 MLX4_GET(field, outbox, QUERY_DEV_CAP_UAR_SZ_OFFSET);
465 dev_cap->uar_size = 1 << ((field & 0x3f) + 20);
466 MLX4_GET(field, outbox, QUERY_DEV_CAP_PAGE_SZ_OFFSET);
467 dev_cap->min_page_sz = 1 << field;
468
469 MLX4_GET(field, outbox, QUERY_DEV_CAP_BF_OFFSET);
470 if (field & 0x80) {
471 MLX4_GET(field, outbox, QUERY_DEV_CAP_LOG_BF_REG_SZ_OFFSET);
472 dev_cap->bf_reg_size = 1 << (field & 0x1f);
473 MLX4_GET(field, outbox, QUERY_DEV_CAP_LOG_MAX_BF_REGS_PER_PAGE_OFFSET);
474 if ((1 << (field & 0x3f)) > (PAGE_SIZE / dev_cap->bf_reg_size))
475 field = 3;
476 dev_cap->bf_regs_per_page = 1 << (field & 0x3f);
477 mlx4_dbg(dev, "BlueFlame available (reg size %d, regs/page %d)\n",
478 dev_cap->bf_reg_size, dev_cap->bf_regs_per_page);
479 } else {
480 dev_cap->bf_reg_size = 0;
481 mlx4_dbg(dev, "BlueFlame not available\n");
482 }
483
484 MLX4_GET(field, outbox, QUERY_DEV_CAP_MAX_SG_SQ_OFFSET);
485 dev_cap->max_sq_sg = field;
486 MLX4_GET(size, outbox, QUERY_DEV_CAP_MAX_DESC_SZ_SQ_OFFSET);
487 dev_cap->max_sq_desc_sz = size;
488
489 MLX4_GET(field, outbox, QUERY_DEV_CAP_MAX_QP_MCG_OFFSET);
490 dev_cap->max_qp_per_mcg = 1 << field;
491 MLX4_GET(field, outbox, QUERY_DEV_CAP_RSVD_MCG_OFFSET);
492 dev_cap->reserved_mgms = field & 0xf;
493 MLX4_GET(field, outbox, QUERY_DEV_CAP_MAX_MCG_OFFSET);
494 dev_cap->max_mcgs = 1 << field;
495 MLX4_GET(field, outbox, QUERY_DEV_CAP_RSVD_PD_OFFSET);
496 dev_cap->reserved_pds = field >> 4;
497 MLX4_GET(field, outbox, QUERY_DEV_CAP_MAX_PD_OFFSET);
498 dev_cap->max_pds = 1 << (field & 0x3f);
499 MLX4_GET(field, outbox, QUERY_DEV_CAP_RSVD_XRC_OFFSET);
500 dev_cap->reserved_xrcds = field >> 4;
501 MLX4_GET(field, outbox, QUERY_DEV_CAP_MAX_PD_OFFSET);
502 dev_cap->max_xrcds = 1 << (field & 0x1f);
503
504 MLX4_GET(size, outbox, QUERY_DEV_CAP_RDMARC_ENTRY_SZ_OFFSET);
505 dev_cap->rdmarc_entry_sz = size;
506 MLX4_GET(size, outbox, QUERY_DEV_CAP_QPC_ENTRY_SZ_OFFSET);
507 dev_cap->qpc_entry_sz = size;
508 MLX4_GET(size, outbox, QUERY_DEV_CAP_AUX_ENTRY_SZ_OFFSET);
509 dev_cap->aux_entry_sz = size;
510 MLX4_GET(size, outbox, QUERY_DEV_CAP_ALTC_ENTRY_SZ_OFFSET);
511 dev_cap->altc_entry_sz = size;
512 MLX4_GET(size, outbox, QUERY_DEV_CAP_EQC_ENTRY_SZ_OFFSET);
513 dev_cap->eqc_entry_sz = size;
514 MLX4_GET(size, outbox, QUERY_DEV_CAP_CQC_ENTRY_SZ_OFFSET);
515 dev_cap->cqc_entry_sz = size;
516 MLX4_GET(size, outbox, QUERY_DEV_CAP_SRQ_ENTRY_SZ_OFFSET);
517 dev_cap->srq_entry_sz = size;
518 MLX4_GET(size, outbox, QUERY_DEV_CAP_C_MPT_ENTRY_SZ_OFFSET);
519 dev_cap->cmpt_entry_sz = size;
520 MLX4_GET(size, outbox, QUERY_DEV_CAP_MTT_ENTRY_SZ_OFFSET);
521 dev_cap->mtt_entry_sz = size;
522 MLX4_GET(size, outbox, QUERY_DEV_CAP_D_MPT_ENTRY_SZ_OFFSET);
523 dev_cap->dmpt_entry_sz = size;
524
525 MLX4_GET(field, outbox, QUERY_DEV_CAP_MAX_SRQ_SZ_OFFSET);
526 dev_cap->max_srq_sz = 1 << field;
527 MLX4_GET(field, outbox, QUERY_DEV_CAP_MAX_QP_SZ_OFFSET);
528 dev_cap->max_qp_sz = 1 << field;
529 MLX4_GET(field, outbox, QUERY_DEV_CAP_RSZ_SRQ_OFFSET);
530 dev_cap->resize_srq = field & 1;
531 MLX4_GET(field, outbox, QUERY_DEV_CAP_MAX_SG_RQ_OFFSET);
532 dev_cap->max_rq_sg = field;
533 MLX4_GET(size, outbox, QUERY_DEV_CAP_MAX_DESC_SZ_RQ_OFFSET);
534 dev_cap->max_rq_desc_sz = size;
535
536 MLX4_GET(dev_cap->bmme_flags, outbox,
537 QUERY_DEV_CAP_BMME_FLAGS_OFFSET);
538 MLX4_GET(dev_cap->reserved_lkey, outbox,
539 QUERY_DEV_CAP_RSVD_LKEY_OFFSET);
540 MLX4_GET(dev_cap->max_icm_sz, outbox,
541 QUERY_DEV_CAP_MAX_ICM_SZ_OFFSET);
542 if (dev_cap->flags & MLX4_DEV_CAP_FLAG_COUNTERS)
543 MLX4_GET(dev_cap->max_counters, outbox,
544 QUERY_DEV_CAP_MAX_COUNTERS_OFFSET);
545
546 if (dev->flags & MLX4_FLAG_OLD_PORT_CMDS) {
547 for (i = 1; i <= dev_cap->num_ports; ++i) {
548 MLX4_GET(field, outbox, QUERY_DEV_CAP_VL_PORT_OFFSET);
549 dev_cap->max_vl[i] = field >> 4;
550 MLX4_GET(field, outbox, QUERY_DEV_CAP_MTU_WIDTH_OFFSET);
551 dev_cap->ib_mtu[i] = field >> 4;
552 dev_cap->max_port_width[i] = field & 0xf;
553 MLX4_GET(field, outbox, QUERY_DEV_CAP_MAX_GID_OFFSET);
554 dev_cap->max_gids[i] = 1 << (field & 0xf);
555 MLX4_GET(field, outbox, QUERY_DEV_CAP_MAX_PKEY_OFFSET);
556 dev_cap->max_pkeys[i] = 1 << (field & 0xf);
557 }
558 } else {
559 #define QUERY_PORT_SUPPORTED_TYPE_OFFSET 0x00
560 #define QUERY_PORT_MTU_OFFSET 0x01
561 #define QUERY_PORT_ETH_MTU_OFFSET 0x02
562 #define QUERY_PORT_WIDTH_OFFSET 0x06
563 #define QUERY_PORT_MAX_GID_PKEY_OFFSET 0x07
564 #define QUERY_PORT_MAX_MACVLAN_OFFSET 0x0a
565 #define QUERY_PORT_MAX_VL_OFFSET 0x0b
566 #define QUERY_PORT_MAC_OFFSET 0x10
567 #define QUERY_PORT_TRANS_VENDOR_OFFSET 0x18
568 #define QUERY_PORT_WAVELENGTH_OFFSET 0x1c
569 #define QUERY_PORT_TRANS_CODE_OFFSET 0x20
570
571 for (i = 1; i <= dev_cap->num_ports; ++i) {
572 err = mlx4_cmd_box(dev, 0, mailbox->dma, i, 0, MLX4_CMD_QUERY_PORT,
573 MLX4_CMD_TIME_CLASS_B,
574 !mlx4_is_slave(dev));
575 if (err)
576 goto out;
577
578 MLX4_GET(field, outbox, QUERY_PORT_SUPPORTED_TYPE_OFFSET);
579 dev_cap->supported_port_types[i] = field & 3;
580 dev_cap->suggested_type[i] = (field >> 3) & 1;
581 dev_cap->default_sense[i] = (field >> 4) & 1;
582 MLX4_GET(field, outbox, QUERY_PORT_MTU_OFFSET);
583 dev_cap->ib_mtu[i] = field & 0xf;
584 MLX4_GET(field, outbox, QUERY_PORT_WIDTH_OFFSET);
585 dev_cap->max_port_width[i] = field & 0xf;
586 MLX4_GET(field, outbox, QUERY_PORT_MAX_GID_PKEY_OFFSET);
587 dev_cap->max_gids[i] = 1 << (field >> 4);
588 dev_cap->max_pkeys[i] = 1 << (field & 0xf);
589 MLX4_GET(field, outbox, QUERY_PORT_MAX_VL_OFFSET);
590 dev_cap->max_vl[i] = field & 0xf;
591 MLX4_GET(field, outbox, QUERY_PORT_MAX_MACVLAN_OFFSET);
592 dev_cap->log_max_macs[i] = field & 0xf;
593 dev_cap->log_max_vlans[i] = field >> 4;
594 MLX4_GET(dev_cap->eth_mtu[i], outbox, QUERY_PORT_ETH_MTU_OFFSET);
595 MLX4_GET(dev_cap->def_mac[i], outbox, QUERY_PORT_MAC_OFFSET);
596 MLX4_GET(field32, outbox, QUERY_PORT_TRANS_VENDOR_OFFSET);
597 dev_cap->trans_type[i] = field32 >> 24;
598 dev_cap->vendor_oui[i] = field32 & 0xffffff;
599 MLX4_GET(dev_cap->wavelength[i], outbox, QUERY_PORT_WAVELENGTH_OFFSET);
600 MLX4_GET(dev_cap->trans_code[i], outbox, QUERY_PORT_TRANS_CODE_OFFSET);
601 }
602 }
603
604 mlx4_dbg(dev, "Base MM extensions: flags %08x, rsvd L_Key %08x\n",
605 dev_cap->bmme_flags, dev_cap->reserved_lkey);
606
607 /*
608 * Each UAR has 4 EQ doorbells; so if a UAR is reserved, then
609 * we can't use any EQs whose doorbell falls on that page,
610 * even if the EQ itself isn't reserved.
611 */
612 dev_cap->reserved_eqs = max(dev_cap->reserved_uars * 4,
613 dev_cap->reserved_eqs);
614
615 mlx4_dbg(dev, "Max ICM size %lld MB\n",
616 (unsigned long long) dev_cap->max_icm_sz >> 20);
617 mlx4_dbg(dev, "Max QPs: %d, reserved QPs: %d, entry size: %d\n",
618 dev_cap->max_qps, dev_cap->reserved_qps, dev_cap->qpc_entry_sz);
619 mlx4_dbg(dev, "Max SRQs: %d, reserved SRQs: %d, entry size: %d\n",
620 dev_cap->max_srqs, dev_cap->reserved_srqs, dev_cap->srq_entry_sz);
621 mlx4_dbg(dev, "Max CQs: %d, reserved CQs: %d, entry size: %d\n",
622 dev_cap->max_cqs, dev_cap->reserved_cqs, dev_cap->cqc_entry_sz);
623 mlx4_dbg(dev, "Max EQs: %d, reserved EQs: %d, entry size: %d\n",
624 dev_cap->max_eqs, dev_cap->reserved_eqs, dev_cap->eqc_entry_sz);
625 mlx4_dbg(dev, "reserved MPTs: %d, reserved MTTs: %d\n",
626 dev_cap->reserved_mrws, dev_cap->reserved_mtts);
627 mlx4_dbg(dev, "Max PDs: %d, reserved PDs: %d, reserved UARs: %d\n",
628 dev_cap->max_pds, dev_cap->reserved_pds, dev_cap->reserved_uars);
629 mlx4_dbg(dev, "Max QP/MCG: %d, reserved MGMs: %d\n",
630 dev_cap->max_pds, dev_cap->reserved_mgms);
631 mlx4_dbg(dev, "Max CQEs: %d, max WQEs: %d, max SRQ WQEs: %d\n",
632 dev_cap->max_cq_sz, dev_cap->max_qp_sz, dev_cap->max_srq_sz);
633 mlx4_dbg(dev, "Local CA ACK delay: %d, max MTU: %d, port width cap: %d\n",
634 dev_cap->local_ca_ack_delay, 128 << dev_cap->ib_mtu[1],
635 dev_cap->max_port_width[1]);
636 mlx4_dbg(dev, "Max SQ desc size: %d, max SQ S/G: %d\n",
637 dev_cap->max_sq_desc_sz, dev_cap->max_sq_sg);
638 mlx4_dbg(dev, "Max RQ desc size: %d, max RQ S/G: %d\n",
639 dev_cap->max_rq_desc_sz, dev_cap->max_rq_sg);
640 mlx4_dbg(dev, "Max GSO size: %d\n", dev_cap->max_gso_sz);
641 mlx4_dbg(dev, "Max counters: %d\n", dev_cap->max_counters);
642
643 dump_dev_cap_flags(dev, dev_cap->flags);
644
645 out:
646 mlx4_free_cmd_mailbox(dev, mailbox);
647 return err;
648 }
649
650 int mlx4_QUERY_PORT_wrapper(struct mlx4_dev *dev, int slave,
651 struct mlx4_vhcr *vhcr,
652 struct mlx4_cmd_mailbox *inbox,
653 struct mlx4_cmd_mailbox *outbox,
654 struct mlx4_cmd_info *cmd)
655 {
656 u64 def_mac;
657 u8 port_type;
658 int err;
659
660 err = mlx4_cmd_box(dev, 0, outbox->dma, vhcr->in_modifier, 0,
661 MLX4_CMD_QUERY_PORT, MLX4_CMD_TIME_CLASS_B,
662 MLX4_CMD_NATIVE);
663
664 if (!err && dev->caps.function != slave) {
665 /* set slave default_mac address */
666 MLX4_GET(def_mac, outbox->buf, QUERY_PORT_MAC_OFFSET);
667 def_mac += slave << 8;
668 MLX4_PUT(outbox->buf, def_mac, QUERY_PORT_MAC_OFFSET);
669
670 /* get port type - currently only eth is enabled */
671 MLX4_GET(port_type, outbox->buf,
672 QUERY_PORT_SUPPORTED_TYPE_OFFSET);
673
674 /* disable ib */
675 port_type &= 0xFE;
676
677 /* check eth is enabled for this port */
678 if (!(port_type & 2))
679 mlx4_dbg(dev, "QUERY PORT: eth not supported by host");
680
681 MLX4_PUT(outbox->buf, port_type,
682 QUERY_PORT_SUPPORTED_TYPE_OFFSET);
683 }
684
685 return err;
686 }
687
688 static int mlx4_QUERY_PORT(struct mlx4_dev *dev, void *ptr, u8 port)
689 {
690 struct mlx4_cmd_mailbox *outbox = ptr;
691
692 return mlx4_cmd_box(dev, 0, outbox->dma, port, 0,
693 MLX4_CMD_QUERY_PORT, MLX4_CMD_TIME_CLASS_B,
694 MLX4_CMD_WRAPPED);
695 }
696 EXPORT_SYMBOL_GPL(mlx4_QUERY_PORT);
697
698 int mlx4_map_cmd(struct mlx4_dev *dev, u16 op, struct mlx4_icm *icm, u64 virt)
699 {
700 struct mlx4_cmd_mailbox *mailbox;
701 struct mlx4_icm_iter iter;
702 __be64 *pages;
703 int lg;
704 int nent = 0;
705 int i;
706 int err = 0;
707 int ts = 0, tc = 0;
708
709 mailbox = mlx4_alloc_cmd_mailbox(dev);
710 if (IS_ERR(mailbox))
711 return PTR_ERR(mailbox);
712 memset(mailbox->buf, 0, MLX4_MAILBOX_SIZE);
713 pages = mailbox->buf;
714
715 for (mlx4_icm_first(icm, &iter);
716 !mlx4_icm_last(&iter);
717 mlx4_icm_next(&iter)) {
718 /*
719 * We have to pass pages that are aligned to their
720 * size, so find the least significant 1 in the
721 * address or size and use that as our log2 size.
722 */
723 lg = ffs(mlx4_icm_addr(&iter) | mlx4_icm_size(&iter)) - 1;
724 if (lg < MLX4_ICM_PAGE_SHIFT) {
725 mlx4_warn(dev, "Got FW area not aligned to %d (%llx/%lx).\n",
726 MLX4_ICM_PAGE_SIZE,
727 (unsigned long long) mlx4_icm_addr(&iter),
728 mlx4_icm_size(&iter));
729 err = -EINVAL;
730 goto out;
731 }
732
733 for (i = 0; i < mlx4_icm_size(&iter) >> lg; ++i) {
734 if (virt != -1) {
735 pages[nent * 2] = cpu_to_be64(virt);
736 virt += 1 << lg;
737 }
738
739 pages[nent * 2 + 1] =
740 cpu_to_be64((mlx4_icm_addr(&iter) + (i << lg)) |
741 (lg - MLX4_ICM_PAGE_SHIFT));
742 ts += 1 << (lg - 10);
743 ++tc;
744
745 if (++nent == MLX4_MAILBOX_SIZE / 16) {
746 err = mlx4_cmd(dev, mailbox->dma, nent, 0, op,
747 MLX4_CMD_TIME_CLASS_B,
748 MLX4_CMD_NATIVE);
749 if (err)
750 goto out;
751 nent = 0;
752 }
753 }
754 }
755
756 if (nent)
757 err = mlx4_cmd(dev, mailbox->dma, nent, 0, op,
758 MLX4_CMD_TIME_CLASS_B, MLX4_CMD_NATIVE);
759 if (err)
760 goto out;
761
762 switch (op) {
763 case MLX4_CMD_MAP_FA:
764 mlx4_dbg(dev, "Mapped %d chunks/%d KB for FW.\n", tc, ts);
765 break;
766 case MLX4_CMD_MAP_ICM_AUX:
767 mlx4_dbg(dev, "Mapped %d chunks/%d KB for ICM aux.\n", tc, ts);
768 break;
769 case MLX4_CMD_MAP_ICM:
770 mlx4_dbg(dev, "Mapped %d chunks/%d KB at %llx for ICM.\n",
771 tc, ts, (unsigned long long) virt - (ts << 10));
772 break;
773 }
774
775 out:
776 mlx4_free_cmd_mailbox(dev, mailbox);
777 return err;
778 }
779
780 int mlx4_MAP_FA(struct mlx4_dev *dev, struct mlx4_icm *icm)
781 {
782 return mlx4_map_cmd(dev, MLX4_CMD_MAP_FA, icm, -1);
783 }
784
785 int mlx4_UNMAP_FA(struct mlx4_dev *dev)
786 {
787 return mlx4_cmd(dev, 0, 0, 0, MLX4_CMD_UNMAP_FA,
788 MLX4_CMD_TIME_CLASS_B, MLX4_CMD_NATIVE);
789 }
790
791
792 int mlx4_RUN_FW(struct mlx4_dev *dev)
793 {
794 return mlx4_cmd(dev, 0, 0, 0, MLX4_CMD_RUN_FW,
795 MLX4_CMD_TIME_CLASS_A, MLX4_CMD_NATIVE);
796 }
797
798 int mlx4_QUERY_FW(struct mlx4_dev *dev)
799 {
800 struct mlx4_fw *fw = &mlx4_priv(dev)->fw;
801 struct mlx4_cmd *cmd = &mlx4_priv(dev)->cmd;
802 struct mlx4_cmd_mailbox *mailbox;
803 u32 *outbox;
804 int err = 0;
805 u64 fw_ver;
806 u16 cmd_if_rev;
807 u8 lg;
808
809 #define QUERY_FW_OUT_SIZE 0x100
810 #define QUERY_FW_VER_OFFSET 0x00
811 #define QUERY_FW_PPF_ID 0x09
812 #define QUERY_FW_CMD_IF_REV_OFFSET 0x0a
813 #define QUERY_FW_MAX_CMD_OFFSET 0x0f
814 #define QUERY_FW_ERR_START_OFFSET 0x30
815 #define QUERY_FW_ERR_SIZE_OFFSET 0x38
816 #define QUERY_FW_ERR_BAR_OFFSET 0x3c
817
818 #define QUERY_FW_SIZE_OFFSET 0x00
819 #define QUERY_FW_CLR_INT_BASE_OFFSET 0x20
820 #define QUERY_FW_CLR_INT_BAR_OFFSET 0x28
821
822 #define QUERY_FW_COMM_BASE_OFFSET 0x40
823 #define QUERY_FW_COMM_BAR_OFFSET 0x48
824
825 mailbox = mlx4_alloc_cmd_mailbox(dev);
826 if (IS_ERR(mailbox))
827 return PTR_ERR(mailbox);
828 outbox = mailbox->buf;
829
830 err = mlx4_cmd_box(dev, 0, mailbox->dma, 0, 0, MLX4_CMD_QUERY_FW,
831 MLX4_CMD_TIME_CLASS_A, MLX4_CMD_NATIVE);
832 if (err)
833 goto out;
834
835 MLX4_GET(fw_ver, outbox, QUERY_FW_VER_OFFSET);
836 /*
837 * FW subminor version is at more significant bits than minor
838 * version, so swap here.
839 */
840 dev->caps.fw_ver = (fw_ver & 0xffff00000000ull) |
841 ((fw_ver & 0xffff0000ull) >> 16) |
842 ((fw_ver & 0x0000ffffull) << 16);
843
844 MLX4_GET(lg, outbox, QUERY_FW_PPF_ID);
845 dev->caps.function = lg;
846
847 MLX4_GET(cmd_if_rev, outbox, QUERY_FW_CMD_IF_REV_OFFSET);
848 if (cmd_if_rev < MLX4_COMMAND_INTERFACE_MIN_REV ||
849 cmd_if_rev > MLX4_COMMAND_INTERFACE_MAX_REV) {
850 mlx4_err(dev, "Installed FW has unsupported "
851 "command interface revision %d.\n",
852 cmd_if_rev);
853 mlx4_err(dev, "(Installed FW version is %d.%d.%03d)\n",
854 (int) (dev->caps.fw_ver >> 32),
855 (int) (dev->caps.fw_ver >> 16) & 0xffff,
856 (int) dev->caps.fw_ver & 0xffff);
857 mlx4_err(dev, "This driver version supports only revisions %d to %d.\n",
858 MLX4_COMMAND_INTERFACE_MIN_REV, MLX4_COMMAND_INTERFACE_MAX_REV);
859 err = -ENODEV;
860 goto out;
861 }
862
863 if (cmd_if_rev < MLX4_COMMAND_INTERFACE_NEW_PORT_CMDS)
864 dev->flags |= MLX4_FLAG_OLD_PORT_CMDS;
865
866 MLX4_GET(lg, outbox, QUERY_FW_MAX_CMD_OFFSET);
867 cmd->max_cmds = 1 << lg;
868
869 mlx4_dbg(dev, "FW version %d.%d.%03d (cmd intf rev %d), max commands %d\n",
870 (int) (dev->caps.fw_ver >> 32),
871 (int) (dev->caps.fw_ver >> 16) & 0xffff,
872 (int) dev->caps.fw_ver & 0xffff,
873 cmd_if_rev, cmd->max_cmds);
874
875 MLX4_GET(fw->catas_offset, outbox, QUERY_FW_ERR_START_OFFSET);
876 MLX4_GET(fw->catas_size, outbox, QUERY_FW_ERR_SIZE_OFFSET);
877 MLX4_GET(fw->catas_bar, outbox, QUERY_FW_ERR_BAR_OFFSET);
878 fw->catas_bar = (fw->catas_bar >> 6) * 2;
879
880 mlx4_dbg(dev, "Catastrophic error buffer at 0x%llx, size 0x%x, BAR %d\n",
881 (unsigned long long) fw->catas_offset, fw->catas_size, fw->catas_bar);
882
883 MLX4_GET(fw->fw_pages, outbox, QUERY_FW_SIZE_OFFSET);
884 MLX4_GET(fw->clr_int_base, outbox, QUERY_FW_CLR_INT_BASE_OFFSET);
885 MLX4_GET(fw->clr_int_bar, outbox, QUERY_FW_CLR_INT_BAR_OFFSET);
886 fw->clr_int_bar = (fw->clr_int_bar >> 6) * 2;
887
888 MLX4_GET(fw->comm_base, outbox, QUERY_FW_COMM_BASE_OFFSET);
889 MLX4_GET(fw->comm_bar, outbox, QUERY_FW_COMM_BAR_OFFSET);
890 fw->comm_bar = (fw->comm_bar >> 6) * 2;
891 mlx4_dbg(dev, "Communication vector bar:%d offset:0x%llx\n",
892 fw->comm_bar, fw->comm_base);
893 mlx4_dbg(dev, "FW size %d KB\n", fw->fw_pages >> 2);
894
895 /*
896 * Round up number of system pages needed in case
897 * MLX4_ICM_PAGE_SIZE < PAGE_SIZE.
898 */
899 fw->fw_pages =
900 ALIGN(fw->fw_pages, PAGE_SIZE / MLX4_ICM_PAGE_SIZE) >>
901 (PAGE_SHIFT - MLX4_ICM_PAGE_SHIFT);
902
903 mlx4_dbg(dev, "Clear int @ %llx, BAR %d\n",
904 (unsigned long long) fw->clr_int_base, fw->clr_int_bar);
905
906 out:
907 mlx4_free_cmd_mailbox(dev, mailbox);
908 return err;
909 }
910
911 static void get_board_id(void *vsd, char *board_id)
912 {
913 int i;
914
915 #define VSD_OFFSET_SIG1 0x00
916 #define VSD_OFFSET_SIG2 0xde
917 #define VSD_OFFSET_MLX_BOARD_ID 0xd0
918 #define VSD_OFFSET_TS_BOARD_ID 0x20
919
920 #define VSD_SIGNATURE_TOPSPIN 0x5ad
921
922 memset(board_id, 0, MLX4_BOARD_ID_LEN);
923
924 if (be16_to_cpup(vsd + VSD_OFFSET_SIG1) == VSD_SIGNATURE_TOPSPIN &&
925 be16_to_cpup(vsd + VSD_OFFSET_SIG2) == VSD_SIGNATURE_TOPSPIN) {
926 strlcpy(board_id, vsd + VSD_OFFSET_TS_BOARD_ID, MLX4_BOARD_ID_LEN);
927 } else {
928 /*
929 * The board ID is a string but the firmware byte
930 * swaps each 4-byte word before passing it back to
931 * us. Therefore we need to swab it before printing.
932 */
933 for (i = 0; i < 4; ++i)
934 ((u32 *) board_id)[i] =
935 swab32(*(u32 *) (vsd + VSD_OFFSET_MLX_BOARD_ID + i * 4));
936 }
937 }
938
939 int mlx4_QUERY_ADAPTER(struct mlx4_dev *dev, struct mlx4_adapter *adapter)
940 {
941 struct mlx4_cmd_mailbox *mailbox;
942 u32 *outbox;
943 int err;
944
945 #define QUERY_ADAPTER_OUT_SIZE 0x100
946 #define QUERY_ADAPTER_INTA_PIN_OFFSET 0x10
947 #define QUERY_ADAPTER_VSD_OFFSET 0x20
948
949 mailbox = mlx4_alloc_cmd_mailbox(dev);
950 if (IS_ERR(mailbox))
951 return PTR_ERR(mailbox);
952 outbox = mailbox->buf;
953
954 err = mlx4_cmd_box(dev, 0, mailbox->dma, 0, 0, MLX4_CMD_QUERY_ADAPTER,
955 MLX4_CMD_TIME_CLASS_A, MLX4_CMD_NATIVE);
956 if (err)
957 goto out;
958
959 MLX4_GET(adapter->inta_pin, outbox, QUERY_ADAPTER_INTA_PIN_OFFSET);
960
961 get_board_id(outbox + QUERY_ADAPTER_VSD_OFFSET / 4,
962 adapter->board_id);
963
964 out:
965 mlx4_free_cmd_mailbox(dev, mailbox);
966 return err;
967 }
968
969 int mlx4_INIT_HCA(struct mlx4_dev *dev, struct mlx4_init_hca_param *param)
970 {
971 struct mlx4_cmd_mailbox *mailbox;
972 __be32 *inbox;
973 int err;
974
975 #define INIT_HCA_IN_SIZE 0x200
976 #define INIT_HCA_VERSION_OFFSET 0x000
977 #define INIT_HCA_VERSION 2
978 #define INIT_HCA_CACHELINE_SZ_OFFSET 0x0e
979 #define INIT_HCA_FLAGS_OFFSET 0x014
980 #define INIT_HCA_QPC_OFFSET 0x020
981 #define INIT_HCA_QPC_BASE_OFFSET (INIT_HCA_QPC_OFFSET + 0x10)
982 #define INIT_HCA_LOG_QP_OFFSET (INIT_HCA_QPC_OFFSET + 0x17)
983 #define INIT_HCA_SRQC_BASE_OFFSET (INIT_HCA_QPC_OFFSET + 0x28)
984 #define INIT_HCA_LOG_SRQ_OFFSET (INIT_HCA_QPC_OFFSET + 0x2f)
985 #define INIT_HCA_CQC_BASE_OFFSET (INIT_HCA_QPC_OFFSET + 0x30)
986 #define INIT_HCA_LOG_CQ_OFFSET (INIT_HCA_QPC_OFFSET + 0x37)
987 #define INIT_HCA_EQE_CQE_OFFSETS (INIT_HCA_QPC_OFFSET + 0x38)
988 #define INIT_HCA_ALTC_BASE_OFFSET (INIT_HCA_QPC_OFFSET + 0x40)
989 #define INIT_HCA_AUXC_BASE_OFFSET (INIT_HCA_QPC_OFFSET + 0x50)
990 #define INIT_HCA_EQC_BASE_OFFSET (INIT_HCA_QPC_OFFSET + 0x60)
991 #define INIT_HCA_LOG_EQ_OFFSET (INIT_HCA_QPC_OFFSET + 0x67)
992 #define INIT_HCA_RDMARC_BASE_OFFSET (INIT_HCA_QPC_OFFSET + 0x70)
993 #define INIT_HCA_LOG_RD_OFFSET (INIT_HCA_QPC_OFFSET + 0x77)
994 #define INIT_HCA_MCAST_OFFSET 0x0c0
995 #define INIT_HCA_MC_BASE_OFFSET (INIT_HCA_MCAST_OFFSET + 0x00)
996 #define INIT_HCA_LOG_MC_ENTRY_SZ_OFFSET (INIT_HCA_MCAST_OFFSET + 0x12)
997 #define INIT_HCA_LOG_MC_HASH_SZ_OFFSET (INIT_HCA_MCAST_OFFSET + 0x16)
998 #define INIT_HCA_UC_STEERING_OFFSET (INIT_HCA_MCAST_OFFSET + 0x18)
999 #define INIT_HCA_LOG_MC_TABLE_SZ_OFFSET (INIT_HCA_MCAST_OFFSET + 0x1b)
1000 #define INIT_HCA_TPT_OFFSET 0x0f0
1001 #define INIT_HCA_DMPT_BASE_OFFSET (INIT_HCA_TPT_OFFSET + 0x00)
1002 #define INIT_HCA_LOG_MPT_SZ_OFFSET (INIT_HCA_TPT_OFFSET + 0x0b)
1003 #define INIT_HCA_MTT_BASE_OFFSET (INIT_HCA_TPT_OFFSET + 0x10)
1004 #define INIT_HCA_CMPT_BASE_OFFSET (INIT_HCA_TPT_OFFSET + 0x18)
1005 #define INIT_HCA_UAR_OFFSET 0x120
1006 #define INIT_HCA_LOG_UAR_SZ_OFFSET (INIT_HCA_UAR_OFFSET + 0x0a)
1007 #define INIT_HCA_UAR_PAGE_SZ_OFFSET (INIT_HCA_UAR_OFFSET + 0x0b)
1008
1009 mailbox = mlx4_alloc_cmd_mailbox(dev);
1010 if (IS_ERR(mailbox))
1011 return PTR_ERR(mailbox);
1012 inbox = mailbox->buf;
1013
1014 memset(inbox, 0, INIT_HCA_IN_SIZE);
1015
1016 *((u8 *) mailbox->buf + INIT_HCA_VERSION_OFFSET) = INIT_HCA_VERSION;
1017
1018 *((u8 *) mailbox->buf + INIT_HCA_CACHELINE_SZ_OFFSET) =
1019 (ilog2(cache_line_size()) - 4) << 5;
1020
1021 #if defined(__LITTLE_ENDIAN)
1022 *(inbox + INIT_HCA_FLAGS_OFFSET / 4) &= ~cpu_to_be32(1 << 1);
1023 #elif defined(__BIG_ENDIAN)
1024 *(inbox + INIT_HCA_FLAGS_OFFSET / 4) |= cpu_to_be32(1 << 1);
1025 #else
1026 #error Host endianness not defined
1027 #endif
1028 /* Check port for UD address vector: */
1029 *(inbox + INIT_HCA_FLAGS_OFFSET / 4) |= cpu_to_be32(1);
1030
1031 /* Enable IPoIB checksumming if we can: */
1032 if (dev->caps.flags & MLX4_DEV_CAP_FLAG_IPOIB_CSUM)
1033 *(inbox + INIT_HCA_FLAGS_OFFSET / 4) |= cpu_to_be32(1 << 3);
1034
1035 /* Enable QoS support if module parameter set */
1036 if (enable_qos)
1037 *(inbox + INIT_HCA_FLAGS_OFFSET / 4) |= cpu_to_be32(1 << 2);
1038
1039 /* enable counters */
1040 if (dev->caps.flags & MLX4_DEV_CAP_FLAG_COUNTERS)
1041 *(inbox + INIT_HCA_FLAGS_OFFSET / 4) |= cpu_to_be32(1 << 4);
1042
1043 /* QPC/EEC/CQC/EQC/RDMARC attributes */
1044
1045 MLX4_PUT(inbox, param->qpc_base, INIT_HCA_QPC_BASE_OFFSET);
1046 MLX4_PUT(inbox, param->log_num_qps, INIT_HCA_LOG_QP_OFFSET);
1047 MLX4_PUT(inbox, param->srqc_base, INIT_HCA_SRQC_BASE_OFFSET);
1048 MLX4_PUT(inbox, param->log_num_srqs, INIT_HCA_LOG_SRQ_OFFSET);
1049 MLX4_PUT(inbox, param->cqc_base, INIT_HCA_CQC_BASE_OFFSET);
1050 MLX4_PUT(inbox, param->log_num_cqs, INIT_HCA_LOG_CQ_OFFSET);
1051 MLX4_PUT(inbox, param->altc_base, INIT_HCA_ALTC_BASE_OFFSET);
1052 MLX4_PUT(inbox, param->auxc_base, INIT_HCA_AUXC_BASE_OFFSET);
1053 MLX4_PUT(inbox, param->eqc_base, INIT_HCA_EQC_BASE_OFFSET);
1054 MLX4_PUT(inbox, param->log_num_eqs, INIT_HCA_LOG_EQ_OFFSET);
1055 MLX4_PUT(inbox, param->rdmarc_base, INIT_HCA_RDMARC_BASE_OFFSET);
1056 MLX4_PUT(inbox, param->log_rd_per_qp, INIT_HCA_LOG_RD_OFFSET);
1057
1058 /* multicast attributes */
1059
1060 MLX4_PUT(inbox, param->mc_base, INIT_HCA_MC_BASE_OFFSET);
1061 MLX4_PUT(inbox, param->log_mc_entry_sz, INIT_HCA_LOG_MC_ENTRY_SZ_OFFSET);
1062 MLX4_PUT(inbox, param->log_mc_hash_sz, INIT_HCA_LOG_MC_HASH_SZ_OFFSET);
1063 if (dev->caps.flags & MLX4_DEV_CAP_FLAG_VEP_MC_STEER)
1064 MLX4_PUT(inbox, (u8) (1 << 3), INIT_HCA_UC_STEERING_OFFSET);
1065 MLX4_PUT(inbox, param->log_mc_table_sz, INIT_HCA_LOG_MC_TABLE_SZ_OFFSET);
1066
1067 /* TPT attributes */
1068
1069 MLX4_PUT(inbox, param->dmpt_base, INIT_HCA_DMPT_BASE_OFFSET);
1070 MLX4_PUT(inbox, param->log_mpt_sz, INIT_HCA_LOG_MPT_SZ_OFFSET);
1071 MLX4_PUT(inbox, param->mtt_base, INIT_HCA_MTT_BASE_OFFSET);
1072 MLX4_PUT(inbox, param->cmpt_base, INIT_HCA_CMPT_BASE_OFFSET);
1073
1074 /* UAR attributes */
1075
1076 MLX4_PUT(inbox, param->uar_page_sz, INIT_HCA_UAR_PAGE_SZ_OFFSET);
1077 MLX4_PUT(inbox, param->log_uar_sz, INIT_HCA_LOG_UAR_SZ_OFFSET);
1078
1079 err = mlx4_cmd(dev, mailbox->dma, 0, 0, MLX4_CMD_INIT_HCA, 10000,
1080 MLX4_CMD_NATIVE);
1081
1082 if (err)
1083 mlx4_err(dev, "INIT_HCA returns %d\n", err);
1084
1085 mlx4_free_cmd_mailbox(dev, mailbox);
1086 return err;
1087 }
1088
1089 int mlx4_QUERY_HCA(struct mlx4_dev *dev,
1090 struct mlx4_init_hca_param *param)
1091 {
1092 struct mlx4_cmd_mailbox *mailbox;
1093 __be32 *outbox;
1094 int err;
1095
1096 #define QUERY_HCA_GLOBAL_CAPS_OFFSET 0x04
1097
1098 mailbox = mlx4_alloc_cmd_mailbox(dev);
1099 if (IS_ERR(mailbox))
1100 return PTR_ERR(mailbox);
1101 outbox = mailbox->buf;
1102
1103 err = mlx4_cmd_box(dev, 0, mailbox->dma, 0, 0,
1104 MLX4_CMD_QUERY_HCA,
1105 MLX4_CMD_TIME_CLASS_B,
1106 !mlx4_is_slave(dev));
1107 if (err)
1108 goto out;
1109
1110 MLX4_GET(param->global_caps, outbox, QUERY_HCA_GLOBAL_CAPS_OFFSET);
1111
1112 /* QPC/EEC/CQC/EQC/RDMARC attributes */
1113
1114 MLX4_GET(param->qpc_base, outbox, INIT_HCA_QPC_BASE_OFFSET);
1115 MLX4_GET(param->log_num_qps, outbox, INIT_HCA_LOG_QP_OFFSET);
1116 MLX4_GET(param->srqc_base, outbox, INIT_HCA_SRQC_BASE_OFFSET);
1117 MLX4_GET(param->log_num_srqs, outbox, INIT_HCA_LOG_SRQ_OFFSET);
1118 MLX4_GET(param->cqc_base, outbox, INIT_HCA_CQC_BASE_OFFSET);
1119 MLX4_GET(param->log_num_cqs, outbox, INIT_HCA_LOG_CQ_OFFSET);
1120 MLX4_GET(param->altc_base, outbox, INIT_HCA_ALTC_BASE_OFFSET);
1121 MLX4_GET(param->auxc_base, outbox, INIT_HCA_AUXC_BASE_OFFSET);
1122 MLX4_GET(param->eqc_base, outbox, INIT_HCA_EQC_BASE_OFFSET);
1123 MLX4_GET(param->log_num_eqs, outbox, INIT_HCA_LOG_EQ_OFFSET);
1124 MLX4_GET(param->rdmarc_base, outbox, INIT_HCA_RDMARC_BASE_OFFSET);
1125 MLX4_GET(param->log_rd_per_qp, outbox, INIT_HCA_LOG_RD_OFFSET);
1126
1127 /* multicast attributes */
1128
1129 MLX4_GET(param->mc_base, outbox, INIT_HCA_MC_BASE_OFFSET);
1130 MLX4_GET(param->log_mc_entry_sz, outbox,
1131 INIT_HCA_LOG_MC_ENTRY_SZ_OFFSET);
1132 MLX4_GET(param->log_mc_hash_sz, outbox,
1133 INIT_HCA_LOG_MC_HASH_SZ_OFFSET);
1134 MLX4_GET(param->log_mc_table_sz, outbox,
1135 INIT_HCA_LOG_MC_TABLE_SZ_OFFSET);
1136
1137 /* TPT attributes */
1138
1139 MLX4_GET(param->dmpt_base, outbox, INIT_HCA_DMPT_BASE_OFFSET);
1140 MLX4_GET(param->log_mpt_sz, outbox, INIT_HCA_LOG_MPT_SZ_OFFSET);
1141 MLX4_GET(param->mtt_base, outbox, INIT_HCA_MTT_BASE_OFFSET);
1142 MLX4_GET(param->cmpt_base, outbox, INIT_HCA_CMPT_BASE_OFFSET);
1143
1144 /* UAR attributes */
1145
1146 MLX4_GET(param->uar_page_sz, outbox, INIT_HCA_UAR_PAGE_SZ_OFFSET);
1147 MLX4_GET(param->log_uar_sz, outbox, INIT_HCA_LOG_UAR_SZ_OFFSET);
1148
1149 out:
1150 mlx4_free_cmd_mailbox(dev, mailbox);
1151
1152 return err;
1153 }
1154
1155 int mlx4_INIT_PORT_wrapper(struct mlx4_dev *dev, int slave,
1156 struct mlx4_vhcr *vhcr,
1157 struct mlx4_cmd_mailbox *inbox,
1158 struct mlx4_cmd_mailbox *outbox,
1159 struct mlx4_cmd_info *cmd)
1160 {
1161 struct mlx4_priv *priv = mlx4_priv(dev);
1162 int port = vhcr->in_modifier;
1163 int err;
1164
1165 if (priv->mfunc.master.slave_state[slave].init_port_mask & (1 << port))
1166 return 0;
1167
1168 if (dev->caps.port_mask[port] == MLX4_PORT_TYPE_IB)
1169 return -ENODEV;
1170
1171 /* Enable port only if it was previously disabled */
1172 if (!priv->mfunc.master.init_port_ref[port]) {
1173 err = mlx4_cmd(dev, 0, port, 0, MLX4_CMD_INIT_PORT,
1174 MLX4_CMD_TIME_CLASS_A, MLX4_CMD_NATIVE);
1175 if (err)
1176 return err;
1177 priv->mfunc.master.slave_state[slave].init_port_mask |=
1178 (1 << port);
1179 }
1180 ++priv->mfunc.master.init_port_ref[port];
1181 return 0;
1182 }
1183
1184 int mlx4_INIT_PORT(struct mlx4_dev *dev, int port)
1185 {
1186 struct mlx4_cmd_mailbox *mailbox;
1187 u32 *inbox;
1188 int err;
1189 u32 flags;
1190 u16 field;
1191
1192 if (dev->flags & MLX4_FLAG_OLD_PORT_CMDS) {
1193 #define INIT_PORT_IN_SIZE 256
1194 #define INIT_PORT_FLAGS_OFFSET 0x00
1195 #define INIT_PORT_FLAG_SIG (1 << 18)
1196 #define INIT_PORT_FLAG_NG (1 << 17)
1197 #define INIT_PORT_FLAG_G0 (1 << 16)
1198 #define INIT_PORT_VL_SHIFT 4
1199 #define INIT_PORT_PORT_WIDTH_SHIFT 8
1200 #define INIT_PORT_MTU_OFFSET 0x04
1201 #define INIT_PORT_MAX_GID_OFFSET 0x06
1202 #define INIT_PORT_MAX_PKEY_OFFSET 0x0a
1203 #define INIT_PORT_GUID0_OFFSET 0x10
1204 #define INIT_PORT_NODE_GUID_OFFSET 0x18
1205 #define INIT_PORT_SI_GUID_OFFSET 0x20
1206
1207 mailbox = mlx4_alloc_cmd_mailbox(dev);
1208 if (IS_ERR(mailbox))
1209 return PTR_ERR(mailbox);
1210 inbox = mailbox->buf;
1211
1212 memset(inbox, 0, INIT_PORT_IN_SIZE);
1213
1214 flags = 0;
1215 flags |= (dev->caps.vl_cap[port] & 0xf) << INIT_PORT_VL_SHIFT;
1216 flags |= (dev->caps.port_width_cap[port] & 0xf) << INIT_PORT_PORT_WIDTH_SHIFT;
1217 MLX4_PUT(inbox, flags, INIT_PORT_FLAGS_OFFSET);
1218
1219 field = 128 << dev->caps.ib_mtu_cap[port];
1220 MLX4_PUT(inbox, field, INIT_PORT_MTU_OFFSET);
1221 field = dev->caps.gid_table_len[port];
1222 MLX4_PUT(inbox, field, INIT_PORT_MAX_GID_OFFSET);
1223 field = dev->caps.pkey_table_len[port];
1224 MLX4_PUT(inbox, field, INIT_PORT_MAX_PKEY_OFFSET);
1225
1226 err = mlx4_cmd(dev, mailbox->dma, port, 0, MLX4_CMD_INIT_PORT,
1227 MLX4_CMD_TIME_CLASS_A, MLX4_CMD_NATIVE);
1228
1229 mlx4_free_cmd_mailbox(dev, mailbox);
1230 } else
1231 err = mlx4_cmd(dev, 0, port, 0, MLX4_CMD_INIT_PORT,
1232 MLX4_CMD_TIME_CLASS_A, MLX4_CMD_WRAPPED);
1233
1234 return err;
1235 }
1236 EXPORT_SYMBOL_GPL(mlx4_INIT_PORT);
1237
1238 int mlx4_CLOSE_PORT_wrapper(struct mlx4_dev *dev, int slave,
1239 struct mlx4_vhcr *vhcr,
1240 struct mlx4_cmd_mailbox *inbox,
1241 struct mlx4_cmd_mailbox *outbox,
1242 struct mlx4_cmd_info *cmd)
1243 {
1244 struct mlx4_priv *priv = mlx4_priv(dev);
1245 int port = vhcr->in_modifier;
1246 int err;
1247
1248 if (!(priv->mfunc.master.slave_state[slave].init_port_mask &
1249 (1 << port)))
1250 return 0;
1251
1252 if (dev->caps.port_mask[port] == MLX4_PORT_TYPE_IB)
1253 return -ENODEV;
1254 if (priv->mfunc.master.init_port_ref[port] == 1) {
1255 err = mlx4_cmd(dev, 0, port, 0, MLX4_CMD_CLOSE_PORT, 1000,
1256 MLX4_CMD_NATIVE);
1257 if (err)
1258 return err;
1259 }
1260 priv->mfunc.master.slave_state[slave].init_port_mask &= ~(1 << port);
1261 --priv->mfunc.master.init_port_ref[port];
1262 return 0;
1263 }
1264
1265 int mlx4_CLOSE_PORT(struct mlx4_dev *dev, int port)
1266 {
1267 return mlx4_cmd(dev, 0, port, 0, MLX4_CMD_CLOSE_PORT, 1000,
1268 MLX4_CMD_WRAPPED);
1269 }
1270 EXPORT_SYMBOL_GPL(mlx4_CLOSE_PORT);
1271
1272 int mlx4_CLOSE_HCA(struct mlx4_dev *dev, int panic)
1273 {
1274 return mlx4_cmd(dev, 0, 0, panic, MLX4_CMD_CLOSE_HCA, 1000,
1275 MLX4_CMD_NATIVE);
1276 }
1277
1278 int mlx4_SET_ICM_SIZE(struct mlx4_dev *dev, u64 icm_size, u64 *aux_pages)
1279 {
1280 int ret = mlx4_cmd_imm(dev, icm_size, aux_pages, 0, 0,
1281 MLX4_CMD_SET_ICM_SIZE,
1282 MLX4_CMD_TIME_CLASS_A, MLX4_CMD_NATIVE);
1283 if (ret)
1284 return ret;
1285
1286 /*
1287 * Round up number of system pages needed in case
1288 * MLX4_ICM_PAGE_SIZE < PAGE_SIZE.
1289 */
1290 *aux_pages = ALIGN(*aux_pages, PAGE_SIZE / MLX4_ICM_PAGE_SIZE) >>
1291 (PAGE_SHIFT - MLX4_ICM_PAGE_SHIFT);
1292
1293 return 0;
1294 }
1295
1296 int mlx4_NOP(struct mlx4_dev *dev)
1297 {
1298 /* Input modifier of 0x1f means "finish as soon as possible." */
1299 return mlx4_cmd(dev, 0, 0x1f, 0, MLX4_CMD_NOP, 100, MLX4_CMD_NATIVE);
1300 }
1301
1302 #define MLX4_WOL_SETUP_MODE (5 << 28)
1303 int mlx4_wol_read(struct mlx4_dev *dev, u64 *config, int port)
1304 {
1305 u32 in_mod = MLX4_WOL_SETUP_MODE | port << 8;
1306
1307 return mlx4_cmd_imm(dev, 0, config, in_mod, 0x3,
1308 MLX4_CMD_MOD_STAT_CFG, MLX4_CMD_TIME_CLASS_A,
1309 MLX4_CMD_NATIVE);
1310 }
1311 EXPORT_SYMBOL_GPL(mlx4_wol_read);
1312
1313 int mlx4_wol_write(struct mlx4_dev *dev, u64 config, int port)
1314 {
1315 u32 in_mod = MLX4_WOL_SETUP_MODE | port << 8;
1316
1317 return mlx4_cmd(dev, config, in_mod, 0x1, MLX4_CMD_MOD_STAT_CFG,
1318 MLX4_CMD_TIME_CLASS_A, MLX4_CMD_NATIVE);
1319 }
1320 EXPORT_SYMBOL_GPL(mlx4_wol_write);
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