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.
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:
12 * Redistribution and use in source and binary forms, with or
13 * without modification, are permitted provided that the following
16 * - Redistributions of source code must retain the above
17 * copyright notice, this list of conditions and the following
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.
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
35 #include <linux/etherdevice.h>
36 #include <linux/mlx4/cmd.h>
37 #include <linux/module.h>
38 #include <linux/cache.h>
44 MLX4_COMMAND_INTERFACE_MIN_REV = 2,
45 MLX4_COMMAND_INTERFACE_MAX_REV = 3,
46 MLX4_COMMAND_INTERFACE_NEW_PORT_CMDS = 3,
49 extern void __buggy_use_of_MLX4_GET(void);
50 extern void __buggy_use_of_MLX4_PUT(void);
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)");
56 #define MLX4_GET(dest, source, offset) \
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(); \
68 #define MLX4_PUT(dest, source, offset) \
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(); \
80 static void dump_dev_cap_flags(struct mlx4_dev *dev, u64 flags)
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",
90 [ 7] = "IPoIB checksum offload",
91 [ 8] = "P_Key violation counter",
92 [ 9] = "Q_Key violation counter",
95 [15] = "Big LSO headers",
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",
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]);
121 static void dump_dev_cap_flags2(struct mlx4_dev *dev, u64 flags)
123 static const char * const fname[] = {
125 [1] = "RSS Toeplitz Hash Function support",
126 [2] = "RSS XOR Hash Function support"
130 for (i = 0; i < ARRAY_SIZE(fname); ++i)
131 if (fname[i] && (flags & (1LL << i)))
132 mlx4_dbg(dev, " %s\n", fname[i]);
135 int mlx4_MOD_STAT_CFG(struct mlx4_dev *dev, struct mlx4_mod_stat_cfg *cfg)
137 struct mlx4_cmd_mailbox *mailbox;
141 #define MOD_STAT_CFG_IN_SIZE 0x100
143 #define MOD_STAT_CFG_PG_SZ_M_OFFSET 0x002
144 #define MOD_STAT_CFG_PG_SZ_OFFSET 0x003
146 mailbox = mlx4_alloc_cmd_mailbox(dev);
148 return PTR_ERR(mailbox);
149 inbox = mailbox->buf;
151 memset(inbox, 0, MOD_STAT_CFG_IN_SIZE);
153 MLX4_PUT(inbox, cfg->log_pg_sz, MOD_STAT_CFG_PG_SZ_OFFSET);
154 MLX4_PUT(inbox, cfg->log_pg_sz_m, MOD_STAT_CFG_PG_SZ_M_OFFSET);
156 err = mlx4_cmd(dev, mailbox->dma, 0, 0, MLX4_CMD_MOD_STAT_CFG,
157 MLX4_CMD_TIME_CLASS_A, MLX4_CMD_NATIVE);
159 mlx4_free_cmd_mailbox(dev, mailbox);
163 int mlx4_QUERY_FUNC_CAP_wrapper(struct mlx4_dev *dev, int slave,
164 struct mlx4_vhcr *vhcr,
165 struct mlx4_cmd_mailbox *inbox,
166 struct mlx4_cmd_mailbox *outbox,
167 struct mlx4_cmd_info *cmd)
173 #define QUERY_FUNC_CAP_FLAGS_OFFSET 0x0
174 #define QUERY_FUNC_CAP_NUM_PORTS_OFFSET 0x1
175 #define QUERY_FUNC_CAP_PF_BHVR_OFFSET 0x4
176 #define QUERY_FUNC_CAP_QP_QUOTA_OFFSET 0x10
177 #define QUERY_FUNC_CAP_CQ_QUOTA_OFFSET 0x14
178 #define QUERY_FUNC_CAP_SRQ_QUOTA_OFFSET 0x18
179 #define QUERY_FUNC_CAP_MPT_QUOTA_OFFSET 0x20
180 #define QUERY_FUNC_CAP_MTT_QUOTA_OFFSET 0x24
181 #define QUERY_FUNC_CAP_MCG_QUOTA_OFFSET 0x28
182 #define QUERY_FUNC_CAP_MAX_EQ_OFFSET 0x2c
183 #define QUERY_FUNC_CAP_RESERVED_EQ_OFFSET 0X30
185 #define QUERY_FUNC_CAP_PHYS_PORT_OFFSET 0x3
186 #define QUERY_FUNC_CAP_ETH_PROPS_OFFSET 0xc
188 if (vhcr->op_modifier == 1) {
189 field = vhcr->in_modifier;
190 MLX4_PUT(outbox->buf, field, QUERY_FUNC_CAP_PHYS_PORT_OFFSET);
192 field = 0; /* ensure fvl bit is not set */
193 MLX4_PUT(outbox->buf, field, QUERY_FUNC_CAP_ETH_PROPS_OFFSET);
194 } else if (vhcr->op_modifier == 0) {
195 field = 1 << 7; /* enable only ethernet interface */
196 MLX4_PUT(outbox->buf, field, QUERY_FUNC_CAP_FLAGS_OFFSET);
198 field = dev->caps.num_ports;
199 MLX4_PUT(outbox->buf, field, QUERY_FUNC_CAP_NUM_PORTS_OFFSET);
201 size = 0; /* no PF behavious is set for now */
202 MLX4_PUT(outbox->buf, size, QUERY_FUNC_CAP_PF_BHVR_OFFSET);
204 size = dev->caps.num_qps;
205 MLX4_PUT(outbox->buf, size, QUERY_FUNC_CAP_QP_QUOTA_OFFSET);
207 size = dev->caps.num_srqs;
208 MLX4_PUT(outbox->buf, size, QUERY_FUNC_CAP_SRQ_QUOTA_OFFSET);
210 size = dev->caps.num_cqs;
211 MLX4_PUT(outbox->buf, size, QUERY_FUNC_CAP_CQ_QUOTA_OFFSET);
213 size = dev->caps.num_eqs;
214 MLX4_PUT(outbox->buf, size, QUERY_FUNC_CAP_MAX_EQ_OFFSET);
216 size = dev->caps.reserved_eqs;
217 MLX4_PUT(outbox->buf, size, QUERY_FUNC_CAP_RESERVED_EQ_OFFSET);
219 size = dev->caps.num_mpts;
220 MLX4_PUT(outbox->buf, size, QUERY_FUNC_CAP_MPT_QUOTA_OFFSET);
222 size = dev->caps.num_mtts;
223 MLX4_PUT(outbox->buf, size, QUERY_FUNC_CAP_MTT_QUOTA_OFFSET);
225 size = dev->caps.num_mgms + dev->caps.num_amgms;
226 MLX4_PUT(outbox->buf, size, QUERY_FUNC_CAP_MCG_QUOTA_OFFSET);
234 int mlx4_QUERY_FUNC_CAP(struct mlx4_dev *dev, struct mlx4_func_cap *func_cap)
236 struct mlx4_cmd_mailbox *mailbox;
244 mailbox = mlx4_alloc_cmd_mailbox(dev);
246 return PTR_ERR(mailbox);
248 err = mlx4_cmd_box(dev, 0, mailbox->dma, 0, 0, MLX4_CMD_QUERY_FUNC_CAP,
249 MLX4_CMD_TIME_CLASS_A, MLX4_CMD_WRAPPED);
253 outbox = mailbox->buf;
255 MLX4_GET(field, outbox, QUERY_FUNC_CAP_FLAGS_OFFSET);
256 if (!(field & (1 << 7))) {
257 mlx4_err(dev, "The host doesn't support eth interface\n");
258 err = -EPROTONOSUPPORT;
262 MLX4_GET(field, outbox, QUERY_FUNC_CAP_NUM_PORTS_OFFSET);
263 func_cap->num_ports = field;
265 MLX4_GET(size, outbox, QUERY_FUNC_CAP_PF_BHVR_OFFSET);
266 func_cap->pf_context_behaviour = size;
268 MLX4_GET(size, outbox, QUERY_FUNC_CAP_QP_QUOTA_OFFSET);
269 func_cap->qp_quota = size & 0xFFFFFF;
271 MLX4_GET(size, outbox, QUERY_FUNC_CAP_SRQ_QUOTA_OFFSET);
272 func_cap->srq_quota = size & 0xFFFFFF;
274 MLX4_GET(size, outbox, QUERY_FUNC_CAP_CQ_QUOTA_OFFSET);
275 func_cap->cq_quota = size & 0xFFFFFF;
277 MLX4_GET(size, outbox, QUERY_FUNC_CAP_MAX_EQ_OFFSET);
278 func_cap->max_eq = size & 0xFFFFFF;
280 MLX4_GET(size, outbox, QUERY_FUNC_CAP_RESERVED_EQ_OFFSET);
281 func_cap->reserved_eq = size & 0xFFFFFF;
283 MLX4_GET(size, outbox, QUERY_FUNC_CAP_MPT_QUOTA_OFFSET);
284 func_cap->mpt_quota = size & 0xFFFFFF;
286 MLX4_GET(size, outbox, QUERY_FUNC_CAP_MTT_QUOTA_OFFSET);
287 func_cap->mtt_quota = size & 0xFFFFFF;
289 MLX4_GET(size, outbox, QUERY_FUNC_CAP_MCG_QUOTA_OFFSET);
290 func_cap->mcg_quota = size & 0xFFFFFF;
292 for (i = 1; i <= func_cap->num_ports; ++i) {
293 err = mlx4_cmd_box(dev, 0, mailbox->dma, i, 1,
294 MLX4_CMD_QUERY_FUNC_CAP,
295 MLX4_CMD_TIME_CLASS_A, MLX4_CMD_WRAPPED);
299 MLX4_GET(field, outbox, QUERY_FUNC_CAP_ETH_PROPS_OFFSET);
300 if (field & (1 << 7)) {
301 mlx4_err(dev, "VLAN is enforced on this port\n");
302 err = -EPROTONOSUPPORT;
306 if (field & (1 << 6)) {
307 mlx4_err(dev, "Force mac is enabled on this port\n");
308 err = -EPROTONOSUPPORT;
312 MLX4_GET(field, outbox, QUERY_FUNC_CAP_PHYS_PORT_OFFSET);
313 func_cap->physical_port[i] = field;
316 /* All other resources are allocated by the master, but we still report
317 * 'num' and 'reserved' capabilities as follows:
318 * - num remains the maximum resource index
319 * - 'num - reserved' is the total available objects of a resource, but
320 * resource indices may be less than 'reserved'
321 * TODO: set per-resource quotas */
324 mlx4_free_cmd_mailbox(dev, mailbox);
329 int mlx4_QUERY_DEV_CAP(struct mlx4_dev *dev, struct mlx4_dev_cap *dev_cap)
331 struct mlx4_cmd_mailbox *mailbox;
334 u32 field32, flags, ext_flags;
340 #define QUERY_DEV_CAP_OUT_SIZE 0x100
341 #define QUERY_DEV_CAP_MAX_SRQ_SZ_OFFSET 0x10
342 #define QUERY_DEV_CAP_MAX_QP_SZ_OFFSET 0x11
343 #define QUERY_DEV_CAP_RSVD_QP_OFFSET 0x12
344 #define QUERY_DEV_CAP_MAX_QP_OFFSET 0x13
345 #define QUERY_DEV_CAP_RSVD_SRQ_OFFSET 0x14
346 #define QUERY_DEV_CAP_MAX_SRQ_OFFSET 0x15
347 #define QUERY_DEV_CAP_RSVD_EEC_OFFSET 0x16
348 #define QUERY_DEV_CAP_MAX_EEC_OFFSET 0x17
349 #define QUERY_DEV_CAP_MAX_CQ_SZ_OFFSET 0x19
350 #define QUERY_DEV_CAP_RSVD_CQ_OFFSET 0x1a
351 #define QUERY_DEV_CAP_MAX_CQ_OFFSET 0x1b
352 #define QUERY_DEV_CAP_MAX_MPT_OFFSET 0x1d
353 #define QUERY_DEV_CAP_RSVD_EQ_OFFSET 0x1e
354 #define QUERY_DEV_CAP_MAX_EQ_OFFSET 0x1f
355 #define QUERY_DEV_CAP_RSVD_MTT_OFFSET 0x20
356 #define QUERY_DEV_CAP_MAX_MRW_SZ_OFFSET 0x21
357 #define QUERY_DEV_CAP_RSVD_MRW_OFFSET 0x22
358 #define QUERY_DEV_CAP_MAX_MTT_SEG_OFFSET 0x23
359 #define QUERY_DEV_CAP_MAX_AV_OFFSET 0x27
360 #define QUERY_DEV_CAP_MAX_REQ_QP_OFFSET 0x29
361 #define QUERY_DEV_CAP_MAX_RES_QP_OFFSET 0x2b
362 #define QUERY_DEV_CAP_MAX_GSO_OFFSET 0x2d
363 #define QUERY_DEV_CAP_RSS_OFFSET 0x2e
364 #define QUERY_DEV_CAP_MAX_RDMA_OFFSET 0x2f
365 #define QUERY_DEV_CAP_RSZ_SRQ_OFFSET 0x33
366 #define QUERY_DEV_CAP_ACK_DELAY_OFFSET 0x35
367 #define QUERY_DEV_CAP_MTU_WIDTH_OFFSET 0x36
368 #define QUERY_DEV_CAP_VL_PORT_OFFSET 0x37
369 #define QUERY_DEV_CAP_MAX_MSG_SZ_OFFSET 0x38
370 #define QUERY_DEV_CAP_MAX_GID_OFFSET 0x3b
371 #define QUERY_DEV_CAP_RATE_SUPPORT_OFFSET 0x3c
372 #define QUERY_DEV_CAP_MAX_PKEY_OFFSET 0x3f
373 #define QUERY_DEV_CAP_EXT_FLAGS_OFFSET 0x40
374 #define QUERY_DEV_CAP_FLAGS_OFFSET 0x44
375 #define QUERY_DEV_CAP_RSVD_UAR_OFFSET 0x48
376 #define QUERY_DEV_CAP_UAR_SZ_OFFSET 0x49
377 #define QUERY_DEV_CAP_PAGE_SZ_OFFSET 0x4b
378 #define QUERY_DEV_CAP_BF_OFFSET 0x4c
379 #define QUERY_DEV_CAP_LOG_BF_REG_SZ_OFFSET 0x4d
380 #define QUERY_DEV_CAP_LOG_MAX_BF_REGS_PER_PAGE_OFFSET 0x4e
381 #define QUERY_DEV_CAP_LOG_MAX_BF_PAGES_OFFSET 0x4f
382 #define QUERY_DEV_CAP_MAX_SG_SQ_OFFSET 0x51
383 #define QUERY_DEV_CAP_MAX_DESC_SZ_SQ_OFFSET 0x52
384 #define QUERY_DEV_CAP_MAX_SG_RQ_OFFSET 0x55
385 #define QUERY_DEV_CAP_MAX_DESC_SZ_RQ_OFFSET 0x56
386 #define QUERY_DEV_CAP_MAX_QP_MCG_OFFSET 0x61
387 #define QUERY_DEV_CAP_RSVD_MCG_OFFSET 0x62
388 #define QUERY_DEV_CAP_MAX_MCG_OFFSET 0x63
389 #define QUERY_DEV_CAP_RSVD_PD_OFFSET 0x64
390 #define QUERY_DEV_CAP_MAX_PD_OFFSET 0x65
391 #define QUERY_DEV_CAP_RSVD_XRC_OFFSET 0x66
392 #define QUERY_DEV_CAP_MAX_XRC_OFFSET 0x67
393 #define QUERY_DEV_CAP_MAX_COUNTERS_OFFSET 0x68
394 #define QUERY_DEV_CAP_RDMARC_ENTRY_SZ_OFFSET 0x80
395 #define QUERY_DEV_CAP_QPC_ENTRY_SZ_OFFSET 0x82
396 #define QUERY_DEV_CAP_AUX_ENTRY_SZ_OFFSET 0x84
397 #define QUERY_DEV_CAP_ALTC_ENTRY_SZ_OFFSET 0x86
398 #define QUERY_DEV_CAP_EQC_ENTRY_SZ_OFFSET 0x88
399 #define QUERY_DEV_CAP_CQC_ENTRY_SZ_OFFSET 0x8a
400 #define QUERY_DEV_CAP_SRQ_ENTRY_SZ_OFFSET 0x8c
401 #define QUERY_DEV_CAP_C_MPT_ENTRY_SZ_OFFSET 0x8e
402 #define QUERY_DEV_CAP_MTT_ENTRY_SZ_OFFSET 0x90
403 #define QUERY_DEV_CAP_D_MPT_ENTRY_SZ_OFFSET 0x92
404 #define QUERY_DEV_CAP_BMME_FLAGS_OFFSET 0x94
405 #define QUERY_DEV_CAP_RSVD_LKEY_OFFSET 0x98
406 #define QUERY_DEV_CAP_MAX_ICM_SZ_OFFSET 0xa0
409 mailbox = mlx4_alloc_cmd_mailbox(dev);
411 return PTR_ERR(mailbox);
412 outbox = mailbox->buf;
414 err = mlx4_cmd_box(dev, 0, mailbox->dma, 0, 0, MLX4_CMD_QUERY_DEV_CAP,
415 MLX4_CMD_TIME_CLASS_A, !mlx4_is_slave(dev));
419 MLX4_GET(field, outbox, QUERY_DEV_CAP_RSVD_QP_OFFSET);
420 dev_cap->reserved_qps = 1 << (field & 0xf);
421 MLX4_GET(field, outbox, QUERY_DEV_CAP_MAX_QP_OFFSET);
422 dev_cap->max_qps = 1 << (field & 0x1f);
423 MLX4_GET(field, outbox, QUERY_DEV_CAP_RSVD_SRQ_OFFSET);
424 dev_cap->reserved_srqs = 1 << (field >> 4);
425 MLX4_GET(field, outbox, QUERY_DEV_CAP_MAX_SRQ_OFFSET);
426 dev_cap->max_srqs = 1 << (field & 0x1f);
427 MLX4_GET(field, outbox, QUERY_DEV_CAP_MAX_CQ_SZ_OFFSET);
428 dev_cap->max_cq_sz = 1 << field;
429 MLX4_GET(field, outbox, QUERY_DEV_CAP_RSVD_CQ_OFFSET);
430 dev_cap->reserved_cqs = 1 << (field & 0xf);
431 MLX4_GET(field, outbox, QUERY_DEV_CAP_MAX_CQ_OFFSET);
432 dev_cap->max_cqs = 1 << (field & 0x1f);
433 MLX4_GET(field, outbox, QUERY_DEV_CAP_MAX_MPT_OFFSET);
434 dev_cap->max_mpts = 1 << (field & 0x3f);
435 MLX4_GET(field, outbox, QUERY_DEV_CAP_RSVD_EQ_OFFSET);
436 dev_cap->reserved_eqs = field & 0xf;
437 MLX4_GET(field, outbox, QUERY_DEV_CAP_MAX_EQ_OFFSET);
438 dev_cap->max_eqs = 1 << (field & 0xf);
439 MLX4_GET(field, outbox, QUERY_DEV_CAP_RSVD_MTT_OFFSET);
440 dev_cap->reserved_mtts = 1 << (field >> 4);
441 MLX4_GET(field, outbox, QUERY_DEV_CAP_MAX_MRW_SZ_OFFSET);
442 dev_cap->max_mrw_sz = 1 << field;
443 MLX4_GET(field, outbox, QUERY_DEV_CAP_RSVD_MRW_OFFSET);
444 dev_cap->reserved_mrws = 1 << (field & 0xf);
445 MLX4_GET(field, outbox, QUERY_DEV_CAP_MAX_MTT_SEG_OFFSET);
446 dev_cap->max_mtt_seg = 1 << (field & 0x3f);
447 MLX4_GET(field, outbox, QUERY_DEV_CAP_MAX_REQ_QP_OFFSET);
448 dev_cap->max_requester_per_qp = 1 << (field & 0x3f);
449 MLX4_GET(field, outbox, QUERY_DEV_CAP_MAX_RES_QP_OFFSET);
450 dev_cap->max_responder_per_qp = 1 << (field & 0x3f);
451 MLX4_GET(field, outbox, QUERY_DEV_CAP_MAX_GSO_OFFSET);
454 dev_cap->max_gso_sz = 0;
456 dev_cap->max_gso_sz = 1 << field;
458 MLX4_GET(field, outbox, QUERY_DEV_CAP_RSS_OFFSET);
460 dev_cap->flags2 |= MLX4_DEV_CAP_FLAG2_RSS_XOR;
462 dev_cap->flags2 |= MLX4_DEV_CAP_FLAG2_RSS_TOP;
465 dev_cap->flags2 |= MLX4_DEV_CAP_FLAG2_RSS;
466 dev_cap->max_rss_tbl_sz = 1 << field;
468 dev_cap->max_rss_tbl_sz = 0;
469 MLX4_GET(field, outbox, QUERY_DEV_CAP_MAX_RDMA_OFFSET);
470 dev_cap->max_rdma_global = 1 << (field & 0x3f);
471 MLX4_GET(field, outbox, QUERY_DEV_CAP_ACK_DELAY_OFFSET);
472 dev_cap->local_ca_ack_delay = field & 0x1f;
473 MLX4_GET(field, outbox, QUERY_DEV_CAP_VL_PORT_OFFSET);
474 dev_cap->num_ports = field & 0xf;
475 MLX4_GET(field, outbox, QUERY_DEV_CAP_MAX_MSG_SZ_OFFSET);
476 dev_cap->max_msg_sz = 1 << (field & 0x1f);
477 MLX4_GET(stat_rate, outbox, QUERY_DEV_CAP_RATE_SUPPORT_OFFSET);
478 dev_cap->stat_rate_support = stat_rate;
479 MLX4_GET(ext_flags, outbox, QUERY_DEV_CAP_EXT_FLAGS_OFFSET);
480 MLX4_GET(flags, outbox, QUERY_DEV_CAP_FLAGS_OFFSET);
481 dev_cap->flags = flags | (u64)ext_flags << 32;
482 MLX4_GET(field, outbox, QUERY_DEV_CAP_RSVD_UAR_OFFSET);
483 dev_cap->reserved_uars = field >> 4;
484 MLX4_GET(field, outbox, QUERY_DEV_CAP_UAR_SZ_OFFSET);
485 dev_cap->uar_size = 1 << ((field & 0x3f) + 20);
486 MLX4_GET(field, outbox, QUERY_DEV_CAP_PAGE_SZ_OFFSET);
487 dev_cap->min_page_sz = 1 << field;
489 MLX4_GET(field, outbox, QUERY_DEV_CAP_BF_OFFSET);
491 MLX4_GET(field, outbox, QUERY_DEV_CAP_LOG_BF_REG_SZ_OFFSET);
492 dev_cap->bf_reg_size = 1 << (field & 0x1f);
493 MLX4_GET(field, outbox, QUERY_DEV_CAP_LOG_MAX_BF_REGS_PER_PAGE_OFFSET);
494 if ((1 << (field & 0x3f)) > (PAGE_SIZE / dev_cap->bf_reg_size))
496 dev_cap->bf_regs_per_page = 1 << (field & 0x3f);
497 mlx4_dbg(dev, "BlueFlame available (reg size %d, regs/page %d)\n",
498 dev_cap->bf_reg_size, dev_cap->bf_regs_per_page);
500 dev_cap->bf_reg_size = 0;
501 mlx4_dbg(dev, "BlueFlame not available\n");
504 MLX4_GET(field, outbox, QUERY_DEV_CAP_MAX_SG_SQ_OFFSET);
505 dev_cap->max_sq_sg = field;
506 MLX4_GET(size, outbox, QUERY_DEV_CAP_MAX_DESC_SZ_SQ_OFFSET);
507 dev_cap->max_sq_desc_sz = size;
509 MLX4_GET(field, outbox, QUERY_DEV_CAP_MAX_QP_MCG_OFFSET);
510 dev_cap->max_qp_per_mcg = 1 << field;
511 MLX4_GET(field, outbox, QUERY_DEV_CAP_RSVD_MCG_OFFSET);
512 dev_cap->reserved_mgms = field & 0xf;
513 MLX4_GET(field, outbox, QUERY_DEV_CAP_MAX_MCG_OFFSET);
514 dev_cap->max_mcgs = 1 << field;
515 MLX4_GET(field, outbox, QUERY_DEV_CAP_RSVD_PD_OFFSET);
516 dev_cap->reserved_pds = field >> 4;
517 MLX4_GET(field, outbox, QUERY_DEV_CAP_MAX_PD_OFFSET);
518 dev_cap->max_pds = 1 << (field & 0x3f);
519 MLX4_GET(field, outbox, QUERY_DEV_CAP_RSVD_XRC_OFFSET);
520 dev_cap->reserved_xrcds = field >> 4;
521 MLX4_GET(field, outbox, QUERY_DEV_CAP_MAX_PD_OFFSET);
522 dev_cap->max_xrcds = 1 << (field & 0x1f);
524 MLX4_GET(size, outbox, QUERY_DEV_CAP_RDMARC_ENTRY_SZ_OFFSET);
525 dev_cap->rdmarc_entry_sz = size;
526 MLX4_GET(size, outbox, QUERY_DEV_CAP_QPC_ENTRY_SZ_OFFSET);
527 dev_cap->qpc_entry_sz = size;
528 MLX4_GET(size, outbox, QUERY_DEV_CAP_AUX_ENTRY_SZ_OFFSET);
529 dev_cap->aux_entry_sz = size;
530 MLX4_GET(size, outbox, QUERY_DEV_CAP_ALTC_ENTRY_SZ_OFFSET);
531 dev_cap->altc_entry_sz = size;
532 MLX4_GET(size, outbox, QUERY_DEV_CAP_EQC_ENTRY_SZ_OFFSET);
533 dev_cap->eqc_entry_sz = size;
534 MLX4_GET(size, outbox, QUERY_DEV_CAP_CQC_ENTRY_SZ_OFFSET);
535 dev_cap->cqc_entry_sz = size;
536 MLX4_GET(size, outbox, QUERY_DEV_CAP_SRQ_ENTRY_SZ_OFFSET);
537 dev_cap->srq_entry_sz = size;
538 MLX4_GET(size, outbox, QUERY_DEV_CAP_C_MPT_ENTRY_SZ_OFFSET);
539 dev_cap->cmpt_entry_sz = size;
540 MLX4_GET(size, outbox, QUERY_DEV_CAP_MTT_ENTRY_SZ_OFFSET);
541 dev_cap->mtt_entry_sz = size;
542 MLX4_GET(size, outbox, QUERY_DEV_CAP_D_MPT_ENTRY_SZ_OFFSET);
543 dev_cap->dmpt_entry_sz = size;
545 MLX4_GET(field, outbox, QUERY_DEV_CAP_MAX_SRQ_SZ_OFFSET);
546 dev_cap->max_srq_sz = 1 << field;
547 MLX4_GET(field, outbox, QUERY_DEV_CAP_MAX_QP_SZ_OFFSET);
548 dev_cap->max_qp_sz = 1 << field;
549 MLX4_GET(field, outbox, QUERY_DEV_CAP_RSZ_SRQ_OFFSET);
550 dev_cap->resize_srq = field & 1;
551 MLX4_GET(field, outbox, QUERY_DEV_CAP_MAX_SG_RQ_OFFSET);
552 dev_cap->max_rq_sg = field;
553 MLX4_GET(size, outbox, QUERY_DEV_CAP_MAX_DESC_SZ_RQ_OFFSET);
554 dev_cap->max_rq_desc_sz = size;
556 MLX4_GET(dev_cap->bmme_flags, outbox,
557 QUERY_DEV_CAP_BMME_FLAGS_OFFSET);
558 MLX4_GET(dev_cap->reserved_lkey, outbox,
559 QUERY_DEV_CAP_RSVD_LKEY_OFFSET);
560 MLX4_GET(dev_cap->max_icm_sz, outbox,
561 QUERY_DEV_CAP_MAX_ICM_SZ_OFFSET);
562 if (dev_cap->flags & MLX4_DEV_CAP_FLAG_COUNTERS)
563 MLX4_GET(dev_cap->max_counters, outbox,
564 QUERY_DEV_CAP_MAX_COUNTERS_OFFSET);
566 if (dev->flags & MLX4_FLAG_OLD_PORT_CMDS) {
567 for (i = 1; i <= dev_cap->num_ports; ++i) {
568 MLX4_GET(field, outbox, QUERY_DEV_CAP_VL_PORT_OFFSET);
569 dev_cap->max_vl[i] = field >> 4;
570 MLX4_GET(field, outbox, QUERY_DEV_CAP_MTU_WIDTH_OFFSET);
571 dev_cap->ib_mtu[i] = field >> 4;
572 dev_cap->max_port_width[i] = field & 0xf;
573 MLX4_GET(field, outbox, QUERY_DEV_CAP_MAX_GID_OFFSET);
574 dev_cap->max_gids[i] = 1 << (field & 0xf);
575 MLX4_GET(field, outbox, QUERY_DEV_CAP_MAX_PKEY_OFFSET);
576 dev_cap->max_pkeys[i] = 1 << (field & 0xf);
579 #define QUERY_PORT_SUPPORTED_TYPE_OFFSET 0x00
580 #define QUERY_PORT_MTU_OFFSET 0x01
581 #define QUERY_PORT_ETH_MTU_OFFSET 0x02
582 #define QUERY_PORT_WIDTH_OFFSET 0x06
583 #define QUERY_PORT_MAX_GID_PKEY_OFFSET 0x07
584 #define QUERY_PORT_MAX_MACVLAN_OFFSET 0x0a
585 #define QUERY_PORT_MAX_VL_OFFSET 0x0b
586 #define QUERY_PORT_MAC_OFFSET 0x10
587 #define QUERY_PORT_TRANS_VENDOR_OFFSET 0x18
588 #define QUERY_PORT_WAVELENGTH_OFFSET 0x1c
589 #define QUERY_PORT_TRANS_CODE_OFFSET 0x20
591 for (i = 1; i <= dev_cap->num_ports; ++i) {
592 err = mlx4_cmd_box(dev, 0, mailbox->dma, i, 0, MLX4_CMD_QUERY_PORT,
593 MLX4_CMD_TIME_CLASS_B,
594 !mlx4_is_slave(dev));
598 MLX4_GET(field, outbox, QUERY_PORT_SUPPORTED_TYPE_OFFSET);
599 dev_cap->supported_port_types[i] = field & 3;
600 dev_cap->suggested_type[i] = (field >> 3) & 1;
601 dev_cap->default_sense[i] = (field >> 4) & 1;
602 MLX4_GET(field, outbox, QUERY_PORT_MTU_OFFSET);
603 dev_cap->ib_mtu[i] = field & 0xf;
604 MLX4_GET(field, outbox, QUERY_PORT_WIDTH_OFFSET);
605 dev_cap->max_port_width[i] = field & 0xf;
606 MLX4_GET(field, outbox, QUERY_PORT_MAX_GID_PKEY_OFFSET);
607 dev_cap->max_gids[i] = 1 << (field >> 4);
608 dev_cap->max_pkeys[i] = 1 << (field & 0xf);
609 MLX4_GET(field, outbox, QUERY_PORT_MAX_VL_OFFSET);
610 dev_cap->max_vl[i] = field & 0xf;
611 MLX4_GET(field, outbox, QUERY_PORT_MAX_MACVLAN_OFFSET);
612 dev_cap->log_max_macs[i] = field & 0xf;
613 dev_cap->log_max_vlans[i] = field >> 4;
614 MLX4_GET(dev_cap->eth_mtu[i], outbox, QUERY_PORT_ETH_MTU_OFFSET);
615 MLX4_GET(dev_cap->def_mac[i], outbox, QUERY_PORT_MAC_OFFSET);
616 MLX4_GET(field32, outbox, QUERY_PORT_TRANS_VENDOR_OFFSET);
617 dev_cap->trans_type[i] = field32 >> 24;
618 dev_cap->vendor_oui[i] = field32 & 0xffffff;
619 MLX4_GET(dev_cap->wavelength[i], outbox, QUERY_PORT_WAVELENGTH_OFFSET);
620 MLX4_GET(dev_cap->trans_code[i], outbox, QUERY_PORT_TRANS_CODE_OFFSET);
624 mlx4_dbg(dev, "Base MM extensions: flags %08x, rsvd L_Key %08x\n",
625 dev_cap->bmme_flags, dev_cap->reserved_lkey);
628 * Each UAR has 4 EQ doorbells; so if a UAR is reserved, then
629 * we can't use any EQs whose doorbell falls on that page,
630 * even if the EQ itself isn't reserved.
632 dev_cap->reserved_eqs = max(dev_cap->reserved_uars * 4,
633 dev_cap->reserved_eqs);
635 mlx4_dbg(dev, "Max ICM size %lld MB\n",
636 (unsigned long long) dev_cap->max_icm_sz >> 20);
637 mlx4_dbg(dev, "Max QPs: %d, reserved QPs: %d, entry size: %d\n",
638 dev_cap->max_qps, dev_cap->reserved_qps, dev_cap->qpc_entry_sz);
639 mlx4_dbg(dev, "Max SRQs: %d, reserved SRQs: %d, entry size: %d\n",
640 dev_cap->max_srqs, dev_cap->reserved_srqs, dev_cap->srq_entry_sz);
641 mlx4_dbg(dev, "Max CQs: %d, reserved CQs: %d, entry size: %d\n",
642 dev_cap->max_cqs, dev_cap->reserved_cqs, dev_cap->cqc_entry_sz);
643 mlx4_dbg(dev, "Max EQs: %d, reserved EQs: %d, entry size: %d\n",
644 dev_cap->max_eqs, dev_cap->reserved_eqs, dev_cap->eqc_entry_sz);
645 mlx4_dbg(dev, "reserved MPTs: %d, reserved MTTs: %d\n",
646 dev_cap->reserved_mrws, dev_cap->reserved_mtts);
647 mlx4_dbg(dev, "Max PDs: %d, reserved PDs: %d, reserved UARs: %d\n",
648 dev_cap->max_pds, dev_cap->reserved_pds, dev_cap->reserved_uars);
649 mlx4_dbg(dev, "Max QP/MCG: %d, reserved MGMs: %d\n",
650 dev_cap->max_pds, dev_cap->reserved_mgms);
651 mlx4_dbg(dev, "Max CQEs: %d, max WQEs: %d, max SRQ WQEs: %d\n",
652 dev_cap->max_cq_sz, dev_cap->max_qp_sz, dev_cap->max_srq_sz);
653 mlx4_dbg(dev, "Local CA ACK delay: %d, max MTU: %d, port width cap: %d\n",
654 dev_cap->local_ca_ack_delay, 128 << dev_cap->ib_mtu[1],
655 dev_cap->max_port_width[1]);
656 mlx4_dbg(dev, "Max SQ desc size: %d, max SQ S/G: %d\n",
657 dev_cap->max_sq_desc_sz, dev_cap->max_sq_sg);
658 mlx4_dbg(dev, "Max RQ desc size: %d, max RQ S/G: %d\n",
659 dev_cap->max_rq_desc_sz, dev_cap->max_rq_sg);
660 mlx4_dbg(dev, "Max GSO size: %d\n", dev_cap->max_gso_sz);
661 mlx4_dbg(dev, "Max counters: %d\n", dev_cap->max_counters);
662 mlx4_dbg(dev, "Max RSS Table size: %d\n", dev_cap->max_rss_tbl_sz);
664 dump_dev_cap_flags(dev, dev_cap->flags);
665 dump_dev_cap_flags2(dev, dev_cap->flags2);
668 mlx4_free_cmd_mailbox(dev, mailbox);
672 int mlx4_QUERY_PORT_wrapper(struct mlx4_dev *dev, int slave,
673 struct mlx4_vhcr *vhcr,
674 struct mlx4_cmd_mailbox *inbox,
675 struct mlx4_cmd_mailbox *outbox,
676 struct mlx4_cmd_info *cmd)
682 #define MLX4_PORT_SUPPORT_IB (1 << 0)
683 #define MLX4_PORT_SUGGEST_TYPE (1 << 3)
684 #define MLX4_PORT_DEFAULT_SENSE (1 << 4)
685 #define MLX4_VF_PORT_ETH_ONLY_MASK (0xff & ~MLX4_PORT_SUPPORT_IB & \
686 ~MLX4_PORT_SUGGEST_TYPE & \
687 ~MLX4_PORT_DEFAULT_SENSE)
689 err = mlx4_cmd_box(dev, 0, outbox->dma, vhcr->in_modifier, 0,
690 MLX4_CMD_QUERY_PORT, MLX4_CMD_TIME_CLASS_B,
693 if (!err && dev->caps.function != slave) {
694 /* set slave default_mac address */
695 MLX4_GET(def_mac, outbox->buf, QUERY_PORT_MAC_OFFSET);
696 def_mac += slave << 8;
697 MLX4_PUT(outbox->buf, def_mac, QUERY_PORT_MAC_OFFSET);
699 /* get port type - currently only eth is enabled */
700 MLX4_GET(port_type, outbox->buf,
701 QUERY_PORT_SUPPORTED_TYPE_OFFSET);
703 /* Allow only Eth port, no link sensing allowed */
704 port_type &= MLX4_VF_PORT_ETH_ONLY_MASK;
706 /* check eth is enabled for this port */
707 if (!(port_type & 2))
708 mlx4_dbg(dev, "QUERY PORT: eth not supported by host");
710 MLX4_PUT(outbox->buf, port_type,
711 QUERY_PORT_SUPPORTED_TYPE_OFFSET);
717 int mlx4_map_cmd(struct mlx4_dev *dev, u16 op, struct mlx4_icm *icm, u64 virt)
719 struct mlx4_cmd_mailbox *mailbox;
720 struct mlx4_icm_iter iter;
728 mailbox = mlx4_alloc_cmd_mailbox(dev);
730 return PTR_ERR(mailbox);
731 memset(mailbox->buf, 0, MLX4_MAILBOX_SIZE);
732 pages = mailbox->buf;
734 for (mlx4_icm_first(icm, &iter);
735 !mlx4_icm_last(&iter);
736 mlx4_icm_next(&iter)) {
738 * We have to pass pages that are aligned to their
739 * size, so find the least significant 1 in the
740 * address or size and use that as our log2 size.
742 lg = ffs(mlx4_icm_addr(&iter) | mlx4_icm_size(&iter)) - 1;
743 if (lg < MLX4_ICM_PAGE_SHIFT) {
744 mlx4_warn(dev, "Got FW area not aligned to %d (%llx/%lx).\n",
746 (unsigned long long) mlx4_icm_addr(&iter),
747 mlx4_icm_size(&iter));
752 for (i = 0; i < mlx4_icm_size(&iter) >> lg; ++i) {
754 pages[nent * 2] = cpu_to_be64(virt);
758 pages[nent * 2 + 1] =
759 cpu_to_be64((mlx4_icm_addr(&iter) + (i << lg)) |
760 (lg - MLX4_ICM_PAGE_SHIFT));
761 ts += 1 << (lg - 10);
764 if (++nent == MLX4_MAILBOX_SIZE / 16) {
765 err = mlx4_cmd(dev, mailbox->dma, nent, 0, op,
766 MLX4_CMD_TIME_CLASS_B,
776 err = mlx4_cmd(dev, mailbox->dma, nent, 0, op,
777 MLX4_CMD_TIME_CLASS_B, MLX4_CMD_NATIVE);
782 case MLX4_CMD_MAP_FA:
783 mlx4_dbg(dev, "Mapped %d chunks/%d KB for FW.\n", tc, ts);
785 case MLX4_CMD_MAP_ICM_AUX:
786 mlx4_dbg(dev, "Mapped %d chunks/%d KB for ICM aux.\n", tc, ts);
788 case MLX4_CMD_MAP_ICM:
789 mlx4_dbg(dev, "Mapped %d chunks/%d KB at %llx for ICM.\n",
790 tc, ts, (unsigned long long) virt - (ts << 10));
795 mlx4_free_cmd_mailbox(dev, mailbox);
799 int mlx4_MAP_FA(struct mlx4_dev *dev, struct mlx4_icm *icm)
801 return mlx4_map_cmd(dev, MLX4_CMD_MAP_FA, icm, -1);
804 int mlx4_UNMAP_FA(struct mlx4_dev *dev)
806 return mlx4_cmd(dev, 0, 0, 0, MLX4_CMD_UNMAP_FA,
807 MLX4_CMD_TIME_CLASS_B, MLX4_CMD_NATIVE);
811 int mlx4_RUN_FW(struct mlx4_dev *dev)
813 return mlx4_cmd(dev, 0, 0, 0, MLX4_CMD_RUN_FW,
814 MLX4_CMD_TIME_CLASS_A, MLX4_CMD_NATIVE);
817 int mlx4_QUERY_FW(struct mlx4_dev *dev)
819 struct mlx4_fw *fw = &mlx4_priv(dev)->fw;
820 struct mlx4_cmd *cmd = &mlx4_priv(dev)->cmd;
821 struct mlx4_cmd_mailbox *mailbox;
828 #define QUERY_FW_OUT_SIZE 0x100
829 #define QUERY_FW_VER_OFFSET 0x00
830 #define QUERY_FW_PPF_ID 0x09
831 #define QUERY_FW_CMD_IF_REV_OFFSET 0x0a
832 #define QUERY_FW_MAX_CMD_OFFSET 0x0f
833 #define QUERY_FW_ERR_START_OFFSET 0x30
834 #define QUERY_FW_ERR_SIZE_OFFSET 0x38
835 #define QUERY_FW_ERR_BAR_OFFSET 0x3c
837 #define QUERY_FW_SIZE_OFFSET 0x00
838 #define QUERY_FW_CLR_INT_BASE_OFFSET 0x20
839 #define QUERY_FW_CLR_INT_BAR_OFFSET 0x28
841 #define QUERY_FW_COMM_BASE_OFFSET 0x40
842 #define QUERY_FW_COMM_BAR_OFFSET 0x48
844 mailbox = mlx4_alloc_cmd_mailbox(dev);
846 return PTR_ERR(mailbox);
847 outbox = mailbox->buf;
849 err = mlx4_cmd_box(dev, 0, mailbox->dma, 0, 0, MLX4_CMD_QUERY_FW,
850 MLX4_CMD_TIME_CLASS_A, MLX4_CMD_NATIVE);
854 MLX4_GET(fw_ver, outbox, QUERY_FW_VER_OFFSET);
856 * FW subminor version is at more significant bits than minor
857 * version, so swap here.
859 dev->caps.fw_ver = (fw_ver & 0xffff00000000ull) |
860 ((fw_ver & 0xffff0000ull) >> 16) |
861 ((fw_ver & 0x0000ffffull) << 16);
863 MLX4_GET(lg, outbox, QUERY_FW_PPF_ID);
864 dev->caps.function = lg;
866 MLX4_GET(cmd_if_rev, outbox, QUERY_FW_CMD_IF_REV_OFFSET);
867 if (cmd_if_rev < MLX4_COMMAND_INTERFACE_MIN_REV ||
868 cmd_if_rev > MLX4_COMMAND_INTERFACE_MAX_REV) {
869 mlx4_err(dev, "Installed FW has unsupported "
870 "command interface revision %d.\n",
872 mlx4_err(dev, "(Installed FW version is %d.%d.%03d)\n",
873 (int) (dev->caps.fw_ver >> 32),
874 (int) (dev->caps.fw_ver >> 16) & 0xffff,
875 (int) dev->caps.fw_ver & 0xffff);
876 mlx4_err(dev, "This driver version supports only revisions %d to %d.\n",
877 MLX4_COMMAND_INTERFACE_MIN_REV, MLX4_COMMAND_INTERFACE_MAX_REV);
882 if (cmd_if_rev < MLX4_COMMAND_INTERFACE_NEW_PORT_CMDS)
883 dev->flags |= MLX4_FLAG_OLD_PORT_CMDS;
885 MLX4_GET(lg, outbox, QUERY_FW_MAX_CMD_OFFSET);
886 cmd->max_cmds = 1 << lg;
888 mlx4_dbg(dev, "FW version %d.%d.%03d (cmd intf rev %d), max commands %d\n",
889 (int) (dev->caps.fw_ver >> 32),
890 (int) (dev->caps.fw_ver >> 16) & 0xffff,
891 (int) dev->caps.fw_ver & 0xffff,
892 cmd_if_rev, cmd->max_cmds);
894 MLX4_GET(fw->catas_offset, outbox, QUERY_FW_ERR_START_OFFSET);
895 MLX4_GET(fw->catas_size, outbox, QUERY_FW_ERR_SIZE_OFFSET);
896 MLX4_GET(fw->catas_bar, outbox, QUERY_FW_ERR_BAR_OFFSET);
897 fw->catas_bar = (fw->catas_bar >> 6) * 2;
899 mlx4_dbg(dev, "Catastrophic error buffer at 0x%llx, size 0x%x, BAR %d\n",
900 (unsigned long long) fw->catas_offset, fw->catas_size, fw->catas_bar);
902 MLX4_GET(fw->fw_pages, outbox, QUERY_FW_SIZE_OFFSET);
903 MLX4_GET(fw->clr_int_base, outbox, QUERY_FW_CLR_INT_BASE_OFFSET);
904 MLX4_GET(fw->clr_int_bar, outbox, QUERY_FW_CLR_INT_BAR_OFFSET);
905 fw->clr_int_bar = (fw->clr_int_bar >> 6) * 2;
907 MLX4_GET(fw->comm_base, outbox, QUERY_FW_COMM_BASE_OFFSET);
908 MLX4_GET(fw->comm_bar, outbox, QUERY_FW_COMM_BAR_OFFSET);
909 fw->comm_bar = (fw->comm_bar >> 6) * 2;
910 mlx4_dbg(dev, "Communication vector bar:%d offset:0x%llx\n",
911 fw->comm_bar, fw->comm_base);
912 mlx4_dbg(dev, "FW size %d KB\n", fw->fw_pages >> 2);
915 * Round up number of system pages needed in case
916 * MLX4_ICM_PAGE_SIZE < PAGE_SIZE.
919 ALIGN(fw->fw_pages, PAGE_SIZE / MLX4_ICM_PAGE_SIZE) >>
920 (PAGE_SHIFT - MLX4_ICM_PAGE_SHIFT);
922 mlx4_dbg(dev, "Clear int @ %llx, BAR %d\n",
923 (unsigned long long) fw->clr_int_base, fw->clr_int_bar);
926 mlx4_free_cmd_mailbox(dev, mailbox);
930 static void get_board_id(void *vsd, char *board_id)
934 #define VSD_OFFSET_SIG1 0x00
935 #define VSD_OFFSET_SIG2 0xde
936 #define VSD_OFFSET_MLX_BOARD_ID 0xd0
937 #define VSD_OFFSET_TS_BOARD_ID 0x20
939 #define VSD_SIGNATURE_TOPSPIN 0x5ad
941 memset(board_id, 0, MLX4_BOARD_ID_LEN);
943 if (be16_to_cpup(vsd + VSD_OFFSET_SIG1) == VSD_SIGNATURE_TOPSPIN &&
944 be16_to_cpup(vsd + VSD_OFFSET_SIG2) == VSD_SIGNATURE_TOPSPIN) {
945 strlcpy(board_id, vsd + VSD_OFFSET_TS_BOARD_ID, MLX4_BOARD_ID_LEN);
948 * The board ID is a string but the firmware byte
949 * swaps each 4-byte word before passing it back to
950 * us. Therefore we need to swab it before printing.
952 for (i = 0; i < 4; ++i)
953 ((u32 *) board_id)[i] =
954 swab32(*(u32 *) (vsd + VSD_OFFSET_MLX_BOARD_ID + i * 4));
958 int mlx4_QUERY_ADAPTER(struct mlx4_dev *dev, struct mlx4_adapter *adapter)
960 struct mlx4_cmd_mailbox *mailbox;
964 #define QUERY_ADAPTER_OUT_SIZE 0x100
965 #define QUERY_ADAPTER_INTA_PIN_OFFSET 0x10
966 #define QUERY_ADAPTER_VSD_OFFSET 0x20
968 mailbox = mlx4_alloc_cmd_mailbox(dev);
970 return PTR_ERR(mailbox);
971 outbox = mailbox->buf;
973 err = mlx4_cmd_box(dev, 0, mailbox->dma, 0, 0, MLX4_CMD_QUERY_ADAPTER,
974 MLX4_CMD_TIME_CLASS_A, MLX4_CMD_NATIVE);
978 MLX4_GET(adapter->inta_pin, outbox, QUERY_ADAPTER_INTA_PIN_OFFSET);
980 get_board_id(outbox + QUERY_ADAPTER_VSD_OFFSET / 4,
984 mlx4_free_cmd_mailbox(dev, mailbox);
988 int mlx4_INIT_HCA(struct mlx4_dev *dev, struct mlx4_init_hca_param *param)
990 struct mlx4_cmd_mailbox *mailbox;
994 #define INIT_HCA_IN_SIZE 0x200
995 #define INIT_HCA_VERSION_OFFSET 0x000
996 #define INIT_HCA_VERSION 2
997 #define INIT_HCA_CACHELINE_SZ_OFFSET 0x0e
998 #define INIT_HCA_FLAGS_OFFSET 0x014
999 #define INIT_HCA_QPC_OFFSET 0x020
1000 #define INIT_HCA_QPC_BASE_OFFSET (INIT_HCA_QPC_OFFSET + 0x10)
1001 #define INIT_HCA_LOG_QP_OFFSET (INIT_HCA_QPC_OFFSET + 0x17)
1002 #define INIT_HCA_SRQC_BASE_OFFSET (INIT_HCA_QPC_OFFSET + 0x28)
1003 #define INIT_HCA_LOG_SRQ_OFFSET (INIT_HCA_QPC_OFFSET + 0x2f)
1004 #define INIT_HCA_CQC_BASE_OFFSET (INIT_HCA_QPC_OFFSET + 0x30)
1005 #define INIT_HCA_LOG_CQ_OFFSET (INIT_HCA_QPC_OFFSET + 0x37)
1006 #define INIT_HCA_EQE_CQE_OFFSETS (INIT_HCA_QPC_OFFSET + 0x38)
1007 #define INIT_HCA_ALTC_BASE_OFFSET (INIT_HCA_QPC_OFFSET + 0x40)
1008 #define INIT_HCA_AUXC_BASE_OFFSET (INIT_HCA_QPC_OFFSET + 0x50)
1009 #define INIT_HCA_EQC_BASE_OFFSET (INIT_HCA_QPC_OFFSET + 0x60)
1010 #define INIT_HCA_LOG_EQ_OFFSET (INIT_HCA_QPC_OFFSET + 0x67)
1011 #define INIT_HCA_RDMARC_BASE_OFFSET (INIT_HCA_QPC_OFFSET + 0x70)
1012 #define INIT_HCA_LOG_RD_OFFSET (INIT_HCA_QPC_OFFSET + 0x77)
1013 #define INIT_HCA_MCAST_OFFSET 0x0c0
1014 #define INIT_HCA_MC_BASE_OFFSET (INIT_HCA_MCAST_OFFSET + 0x00)
1015 #define INIT_HCA_LOG_MC_ENTRY_SZ_OFFSET (INIT_HCA_MCAST_OFFSET + 0x12)
1016 #define INIT_HCA_LOG_MC_HASH_SZ_OFFSET (INIT_HCA_MCAST_OFFSET + 0x16)
1017 #define INIT_HCA_UC_STEERING_OFFSET (INIT_HCA_MCAST_OFFSET + 0x18)
1018 #define INIT_HCA_LOG_MC_TABLE_SZ_OFFSET (INIT_HCA_MCAST_OFFSET + 0x1b)
1019 #define INIT_HCA_TPT_OFFSET 0x0f0
1020 #define INIT_HCA_DMPT_BASE_OFFSET (INIT_HCA_TPT_OFFSET + 0x00)
1021 #define INIT_HCA_LOG_MPT_SZ_OFFSET (INIT_HCA_TPT_OFFSET + 0x0b)
1022 #define INIT_HCA_MTT_BASE_OFFSET (INIT_HCA_TPT_OFFSET + 0x10)
1023 #define INIT_HCA_CMPT_BASE_OFFSET (INIT_HCA_TPT_OFFSET + 0x18)
1024 #define INIT_HCA_UAR_OFFSET 0x120
1025 #define INIT_HCA_LOG_UAR_SZ_OFFSET (INIT_HCA_UAR_OFFSET + 0x0a)
1026 #define INIT_HCA_UAR_PAGE_SZ_OFFSET (INIT_HCA_UAR_OFFSET + 0x0b)
1028 mailbox = mlx4_alloc_cmd_mailbox(dev);
1029 if (IS_ERR(mailbox))
1030 return PTR_ERR(mailbox);
1031 inbox = mailbox->buf;
1033 memset(inbox, 0, INIT_HCA_IN_SIZE);
1035 *((u8 *) mailbox->buf + INIT_HCA_VERSION_OFFSET) = INIT_HCA_VERSION;
1037 *((u8 *) mailbox->buf + INIT_HCA_CACHELINE_SZ_OFFSET) =
1038 (ilog2(cache_line_size()) - 4) << 5;
1040 #if defined(__LITTLE_ENDIAN)
1041 *(inbox + INIT_HCA_FLAGS_OFFSET / 4) &= ~cpu_to_be32(1 << 1);
1042 #elif defined(__BIG_ENDIAN)
1043 *(inbox + INIT_HCA_FLAGS_OFFSET / 4) |= cpu_to_be32(1 << 1);
1045 #error Host endianness not defined
1047 /* Check port for UD address vector: */
1048 *(inbox + INIT_HCA_FLAGS_OFFSET / 4) |= cpu_to_be32(1);
1050 /* Enable IPoIB checksumming if we can: */
1051 if (dev->caps.flags & MLX4_DEV_CAP_FLAG_IPOIB_CSUM)
1052 *(inbox + INIT_HCA_FLAGS_OFFSET / 4) |= cpu_to_be32(1 << 3);
1054 /* Enable QoS support if module parameter set */
1056 *(inbox + INIT_HCA_FLAGS_OFFSET / 4) |= cpu_to_be32(1 << 2);
1058 /* enable counters */
1059 if (dev->caps.flags & MLX4_DEV_CAP_FLAG_COUNTERS)
1060 *(inbox + INIT_HCA_FLAGS_OFFSET / 4) |= cpu_to_be32(1 << 4);
1062 /* QPC/EEC/CQC/EQC/RDMARC attributes */
1064 MLX4_PUT(inbox, param->qpc_base, INIT_HCA_QPC_BASE_OFFSET);
1065 MLX4_PUT(inbox, param->log_num_qps, INIT_HCA_LOG_QP_OFFSET);
1066 MLX4_PUT(inbox, param->srqc_base, INIT_HCA_SRQC_BASE_OFFSET);
1067 MLX4_PUT(inbox, param->log_num_srqs, INIT_HCA_LOG_SRQ_OFFSET);
1068 MLX4_PUT(inbox, param->cqc_base, INIT_HCA_CQC_BASE_OFFSET);
1069 MLX4_PUT(inbox, param->log_num_cqs, INIT_HCA_LOG_CQ_OFFSET);
1070 MLX4_PUT(inbox, param->altc_base, INIT_HCA_ALTC_BASE_OFFSET);
1071 MLX4_PUT(inbox, param->auxc_base, INIT_HCA_AUXC_BASE_OFFSET);
1072 MLX4_PUT(inbox, param->eqc_base, INIT_HCA_EQC_BASE_OFFSET);
1073 MLX4_PUT(inbox, param->log_num_eqs, INIT_HCA_LOG_EQ_OFFSET);
1074 MLX4_PUT(inbox, param->rdmarc_base, INIT_HCA_RDMARC_BASE_OFFSET);
1075 MLX4_PUT(inbox, param->log_rd_per_qp, INIT_HCA_LOG_RD_OFFSET);
1077 /* multicast attributes */
1079 MLX4_PUT(inbox, param->mc_base, INIT_HCA_MC_BASE_OFFSET);
1080 MLX4_PUT(inbox, param->log_mc_entry_sz, INIT_HCA_LOG_MC_ENTRY_SZ_OFFSET);
1081 MLX4_PUT(inbox, param->log_mc_hash_sz, INIT_HCA_LOG_MC_HASH_SZ_OFFSET);
1082 if (dev->caps.flags & MLX4_DEV_CAP_FLAG_VEP_MC_STEER)
1083 MLX4_PUT(inbox, (u8) (1 << 3), INIT_HCA_UC_STEERING_OFFSET);
1084 MLX4_PUT(inbox, param->log_mc_table_sz, INIT_HCA_LOG_MC_TABLE_SZ_OFFSET);
1086 /* TPT attributes */
1088 MLX4_PUT(inbox, param->dmpt_base, INIT_HCA_DMPT_BASE_OFFSET);
1089 MLX4_PUT(inbox, param->log_mpt_sz, INIT_HCA_LOG_MPT_SZ_OFFSET);
1090 MLX4_PUT(inbox, param->mtt_base, INIT_HCA_MTT_BASE_OFFSET);
1091 MLX4_PUT(inbox, param->cmpt_base, INIT_HCA_CMPT_BASE_OFFSET);
1093 /* UAR attributes */
1095 MLX4_PUT(inbox, param->uar_page_sz, INIT_HCA_UAR_PAGE_SZ_OFFSET);
1096 MLX4_PUT(inbox, param->log_uar_sz, INIT_HCA_LOG_UAR_SZ_OFFSET);
1098 err = mlx4_cmd(dev, mailbox->dma, 0, 0, MLX4_CMD_INIT_HCA, 10000,
1102 mlx4_err(dev, "INIT_HCA returns %d\n", err);
1104 mlx4_free_cmd_mailbox(dev, mailbox);
1108 int mlx4_QUERY_HCA(struct mlx4_dev *dev,
1109 struct mlx4_init_hca_param *param)
1111 struct mlx4_cmd_mailbox *mailbox;
1115 #define QUERY_HCA_GLOBAL_CAPS_OFFSET 0x04
1117 mailbox = mlx4_alloc_cmd_mailbox(dev);
1118 if (IS_ERR(mailbox))
1119 return PTR_ERR(mailbox);
1120 outbox = mailbox->buf;
1122 err = mlx4_cmd_box(dev, 0, mailbox->dma, 0, 0,
1124 MLX4_CMD_TIME_CLASS_B,
1125 !mlx4_is_slave(dev));
1129 MLX4_GET(param->global_caps, outbox, QUERY_HCA_GLOBAL_CAPS_OFFSET);
1131 /* QPC/EEC/CQC/EQC/RDMARC attributes */
1133 MLX4_GET(param->qpc_base, outbox, INIT_HCA_QPC_BASE_OFFSET);
1134 MLX4_GET(param->log_num_qps, outbox, INIT_HCA_LOG_QP_OFFSET);
1135 MLX4_GET(param->srqc_base, outbox, INIT_HCA_SRQC_BASE_OFFSET);
1136 MLX4_GET(param->log_num_srqs, outbox, INIT_HCA_LOG_SRQ_OFFSET);
1137 MLX4_GET(param->cqc_base, outbox, INIT_HCA_CQC_BASE_OFFSET);
1138 MLX4_GET(param->log_num_cqs, outbox, INIT_HCA_LOG_CQ_OFFSET);
1139 MLX4_GET(param->altc_base, outbox, INIT_HCA_ALTC_BASE_OFFSET);
1140 MLX4_GET(param->auxc_base, outbox, INIT_HCA_AUXC_BASE_OFFSET);
1141 MLX4_GET(param->eqc_base, outbox, INIT_HCA_EQC_BASE_OFFSET);
1142 MLX4_GET(param->log_num_eqs, outbox, INIT_HCA_LOG_EQ_OFFSET);
1143 MLX4_GET(param->rdmarc_base, outbox, INIT_HCA_RDMARC_BASE_OFFSET);
1144 MLX4_GET(param->log_rd_per_qp, outbox, INIT_HCA_LOG_RD_OFFSET);
1146 /* multicast attributes */
1148 MLX4_GET(param->mc_base, outbox, INIT_HCA_MC_BASE_OFFSET);
1149 MLX4_GET(param->log_mc_entry_sz, outbox,
1150 INIT_HCA_LOG_MC_ENTRY_SZ_OFFSET);
1151 MLX4_GET(param->log_mc_hash_sz, outbox,
1152 INIT_HCA_LOG_MC_HASH_SZ_OFFSET);
1153 MLX4_GET(param->log_mc_table_sz, outbox,
1154 INIT_HCA_LOG_MC_TABLE_SZ_OFFSET);
1156 /* TPT attributes */
1158 MLX4_GET(param->dmpt_base, outbox, INIT_HCA_DMPT_BASE_OFFSET);
1159 MLX4_GET(param->log_mpt_sz, outbox, INIT_HCA_LOG_MPT_SZ_OFFSET);
1160 MLX4_GET(param->mtt_base, outbox, INIT_HCA_MTT_BASE_OFFSET);
1161 MLX4_GET(param->cmpt_base, outbox, INIT_HCA_CMPT_BASE_OFFSET);
1163 /* UAR attributes */
1165 MLX4_GET(param->uar_page_sz, outbox, INIT_HCA_UAR_PAGE_SZ_OFFSET);
1166 MLX4_GET(param->log_uar_sz, outbox, INIT_HCA_LOG_UAR_SZ_OFFSET);
1169 mlx4_free_cmd_mailbox(dev, mailbox);
1174 int mlx4_INIT_PORT_wrapper(struct mlx4_dev *dev, int slave,
1175 struct mlx4_vhcr *vhcr,
1176 struct mlx4_cmd_mailbox *inbox,
1177 struct mlx4_cmd_mailbox *outbox,
1178 struct mlx4_cmd_info *cmd)
1180 struct mlx4_priv *priv = mlx4_priv(dev);
1181 int port = vhcr->in_modifier;
1184 if (priv->mfunc.master.slave_state[slave].init_port_mask & (1 << port))
1187 if (dev->caps.port_mask[port] == MLX4_PORT_TYPE_IB)
1190 /* Enable port only if it was previously disabled */
1191 if (!priv->mfunc.master.init_port_ref[port]) {
1192 err = mlx4_cmd(dev, 0, port, 0, MLX4_CMD_INIT_PORT,
1193 MLX4_CMD_TIME_CLASS_A, MLX4_CMD_NATIVE);
1197 priv->mfunc.master.slave_state[slave].init_port_mask |= (1 << port);
1198 ++priv->mfunc.master.init_port_ref[port];
1202 int mlx4_INIT_PORT(struct mlx4_dev *dev, int port)
1204 struct mlx4_cmd_mailbox *mailbox;
1210 if (dev->flags & MLX4_FLAG_OLD_PORT_CMDS) {
1211 #define INIT_PORT_IN_SIZE 256
1212 #define INIT_PORT_FLAGS_OFFSET 0x00
1213 #define INIT_PORT_FLAG_SIG (1 << 18)
1214 #define INIT_PORT_FLAG_NG (1 << 17)
1215 #define INIT_PORT_FLAG_G0 (1 << 16)
1216 #define INIT_PORT_VL_SHIFT 4
1217 #define INIT_PORT_PORT_WIDTH_SHIFT 8
1218 #define INIT_PORT_MTU_OFFSET 0x04
1219 #define INIT_PORT_MAX_GID_OFFSET 0x06
1220 #define INIT_PORT_MAX_PKEY_OFFSET 0x0a
1221 #define INIT_PORT_GUID0_OFFSET 0x10
1222 #define INIT_PORT_NODE_GUID_OFFSET 0x18
1223 #define INIT_PORT_SI_GUID_OFFSET 0x20
1225 mailbox = mlx4_alloc_cmd_mailbox(dev);
1226 if (IS_ERR(mailbox))
1227 return PTR_ERR(mailbox);
1228 inbox = mailbox->buf;
1230 memset(inbox, 0, INIT_PORT_IN_SIZE);
1233 flags |= (dev->caps.vl_cap[port] & 0xf) << INIT_PORT_VL_SHIFT;
1234 flags |= (dev->caps.port_width_cap[port] & 0xf) << INIT_PORT_PORT_WIDTH_SHIFT;
1235 MLX4_PUT(inbox, flags, INIT_PORT_FLAGS_OFFSET);
1237 field = 128 << dev->caps.ib_mtu_cap[port];
1238 MLX4_PUT(inbox, field, INIT_PORT_MTU_OFFSET);
1239 field = dev->caps.gid_table_len[port];
1240 MLX4_PUT(inbox, field, INIT_PORT_MAX_GID_OFFSET);
1241 field = dev->caps.pkey_table_len[port];
1242 MLX4_PUT(inbox, field, INIT_PORT_MAX_PKEY_OFFSET);
1244 err = mlx4_cmd(dev, mailbox->dma, port, 0, MLX4_CMD_INIT_PORT,
1245 MLX4_CMD_TIME_CLASS_A, MLX4_CMD_NATIVE);
1247 mlx4_free_cmd_mailbox(dev, mailbox);
1249 err = mlx4_cmd(dev, 0, port, 0, MLX4_CMD_INIT_PORT,
1250 MLX4_CMD_TIME_CLASS_A, MLX4_CMD_WRAPPED);
1254 EXPORT_SYMBOL_GPL(mlx4_INIT_PORT);
1256 int mlx4_CLOSE_PORT_wrapper(struct mlx4_dev *dev, int slave,
1257 struct mlx4_vhcr *vhcr,
1258 struct mlx4_cmd_mailbox *inbox,
1259 struct mlx4_cmd_mailbox *outbox,
1260 struct mlx4_cmd_info *cmd)
1262 struct mlx4_priv *priv = mlx4_priv(dev);
1263 int port = vhcr->in_modifier;
1266 if (!(priv->mfunc.master.slave_state[slave].init_port_mask &
1270 if (dev->caps.port_mask[port] == MLX4_PORT_TYPE_IB)
1272 if (priv->mfunc.master.init_port_ref[port] == 1) {
1273 err = mlx4_cmd(dev, 0, port, 0, MLX4_CMD_CLOSE_PORT, 1000,
1278 priv->mfunc.master.slave_state[slave].init_port_mask &= ~(1 << port);
1279 --priv->mfunc.master.init_port_ref[port];
1283 int mlx4_CLOSE_PORT(struct mlx4_dev *dev, int port)
1285 return mlx4_cmd(dev, 0, port, 0, MLX4_CMD_CLOSE_PORT, 1000,
1288 EXPORT_SYMBOL_GPL(mlx4_CLOSE_PORT);
1290 int mlx4_CLOSE_HCA(struct mlx4_dev *dev, int panic)
1292 return mlx4_cmd(dev, 0, 0, panic, MLX4_CMD_CLOSE_HCA, 1000,
1296 int mlx4_SET_ICM_SIZE(struct mlx4_dev *dev, u64 icm_size, u64 *aux_pages)
1298 int ret = mlx4_cmd_imm(dev, icm_size, aux_pages, 0, 0,
1299 MLX4_CMD_SET_ICM_SIZE,
1300 MLX4_CMD_TIME_CLASS_A, MLX4_CMD_NATIVE);
1305 * Round up number of system pages needed in case
1306 * MLX4_ICM_PAGE_SIZE < PAGE_SIZE.
1308 *aux_pages = ALIGN(*aux_pages, PAGE_SIZE / MLX4_ICM_PAGE_SIZE) >>
1309 (PAGE_SHIFT - MLX4_ICM_PAGE_SHIFT);
1314 int mlx4_NOP(struct mlx4_dev *dev)
1316 /* Input modifier of 0x1f means "finish as soon as possible." */
1317 return mlx4_cmd(dev, 0, 0x1f, 0, MLX4_CMD_NOP, 100, MLX4_CMD_NATIVE);
1320 #define MLX4_WOL_SETUP_MODE (5 << 28)
1321 int mlx4_wol_read(struct mlx4_dev *dev, u64 *config, int port)
1323 u32 in_mod = MLX4_WOL_SETUP_MODE | port << 8;
1325 return mlx4_cmd_imm(dev, 0, config, in_mod, 0x3,
1326 MLX4_CMD_MOD_STAT_CFG, MLX4_CMD_TIME_CLASS_A,
1329 EXPORT_SYMBOL_GPL(mlx4_wol_read);
1331 int mlx4_wol_write(struct mlx4_dev *dev, u64 config, int port)
1333 u32 in_mod = MLX4_WOL_SETUP_MODE | port << 8;
1335 return mlx4_cmd(dev, config, in_mod, 0x1, MLX4_CMD_MOD_STAT_CFG,
1336 MLX4_CMD_TIME_CLASS_A, MLX4_CMD_NATIVE);
1338 EXPORT_SYMBOL_GPL(mlx4_wol_write);