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",
94 [12] = "Dual Port Different Protocol (DPDP) support",
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",
112 [53] = "Port ETS Scheduler support",
113 [55] = "Port link type sensing support",
114 [59] = "Port management change event support",
115 [61] = "64 byte EQE support",
116 [62] = "64 byte CQE support",
120 mlx4_dbg(dev, "DEV_CAP flags:\n");
121 for (i = 0; i < ARRAY_SIZE(fname); ++i)
122 if (fname[i] && (flags & (1LL << i)))
123 mlx4_dbg(dev, " %s\n", fname[i]);
126 static void dump_dev_cap_flags2(struct mlx4_dev *dev, u64 flags)
128 static const char * const fname[] = {
130 [1] = "RSS Toeplitz Hash Function support",
131 [2] = "RSS XOR Hash Function support",
132 [3] = "Device manage flow steering support",
133 [4] = "Automatic mac reassignment support"
137 for (i = 0; i < ARRAY_SIZE(fname); ++i)
138 if (fname[i] && (flags & (1LL << i)))
139 mlx4_dbg(dev, " %s\n", fname[i]);
142 int mlx4_MOD_STAT_CFG(struct mlx4_dev *dev, struct mlx4_mod_stat_cfg *cfg)
144 struct mlx4_cmd_mailbox *mailbox;
148 #define MOD_STAT_CFG_IN_SIZE 0x100
150 #define MOD_STAT_CFG_PG_SZ_M_OFFSET 0x002
151 #define MOD_STAT_CFG_PG_SZ_OFFSET 0x003
153 mailbox = mlx4_alloc_cmd_mailbox(dev);
155 return PTR_ERR(mailbox);
156 inbox = mailbox->buf;
158 memset(inbox, 0, MOD_STAT_CFG_IN_SIZE);
160 MLX4_PUT(inbox, cfg->log_pg_sz, MOD_STAT_CFG_PG_SZ_OFFSET);
161 MLX4_PUT(inbox, cfg->log_pg_sz_m, MOD_STAT_CFG_PG_SZ_M_OFFSET);
163 err = mlx4_cmd(dev, mailbox->dma, 0, 0, MLX4_CMD_MOD_STAT_CFG,
164 MLX4_CMD_TIME_CLASS_A, MLX4_CMD_NATIVE);
166 mlx4_free_cmd_mailbox(dev, mailbox);
170 int mlx4_QUERY_FUNC_CAP_wrapper(struct mlx4_dev *dev, int slave,
171 struct mlx4_vhcr *vhcr,
172 struct mlx4_cmd_mailbox *inbox,
173 struct mlx4_cmd_mailbox *outbox,
174 struct mlx4_cmd_info *cmd)
180 #define QUERY_FUNC_CAP_FLAGS_OFFSET 0x0
181 #define QUERY_FUNC_CAP_NUM_PORTS_OFFSET 0x1
182 #define QUERY_FUNC_CAP_PF_BHVR_OFFSET 0x4
183 #define QUERY_FUNC_CAP_FMR_OFFSET 0x8
184 #define QUERY_FUNC_CAP_QP_QUOTA_OFFSET 0x10
185 #define QUERY_FUNC_CAP_CQ_QUOTA_OFFSET 0x14
186 #define QUERY_FUNC_CAP_SRQ_QUOTA_OFFSET 0x18
187 #define QUERY_FUNC_CAP_MPT_QUOTA_OFFSET 0x20
188 #define QUERY_FUNC_CAP_MTT_QUOTA_OFFSET 0x24
189 #define QUERY_FUNC_CAP_MCG_QUOTA_OFFSET 0x28
190 #define QUERY_FUNC_CAP_MAX_EQ_OFFSET 0x2c
191 #define QUERY_FUNC_CAP_RESERVED_EQ_OFFSET 0x30
193 #define QUERY_FUNC_CAP_FMR_FLAG 0x80
194 #define QUERY_FUNC_CAP_FLAG_RDMA 0x40
195 #define QUERY_FUNC_CAP_FLAG_ETH 0x80
197 /* when opcode modifier = 1 */
198 #define QUERY_FUNC_CAP_PHYS_PORT_OFFSET 0x3
199 #define QUERY_FUNC_CAP_RDMA_PROPS_OFFSET 0x8
200 #define QUERY_FUNC_CAP_ETH_PROPS_OFFSET 0xc
202 #define QUERY_FUNC_CAP_QP0_TUNNEL 0x10
203 #define QUERY_FUNC_CAP_QP0_PROXY 0x14
204 #define QUERY_FUNC_CAP_QP1_TUNNEL 0x18
205 #define QUERY_FUNC_CAP_QP1_PROXY 0x1c
207 #define QUERY_FUNC_CAP_ETH_PROPS_FORCE_MAC 0x40
208 #define QUERY_FUNC_CAP_ETH_PROPS_FORCE_VLAN 0x80
210 #define QUERY_FUNC_CAP_RDMA_PROPS_FORCE_PHY_WQE_GID 0x80
212 if (vhcr->op_modifier == 1) {
214 /* ensure force vlan and force mac bits are not set */
215 MLX4_PUT(outbox->buf, field, QUERY_FUNC_CAP_ETH_PROPS_OFFSET);
216 /* ensure that phy_wqe_gid bit is not set */
217 MLX4_PUT(outbox->buf, field, QUERY_FUNC_CAP_RDMA_PROPS_OFFSET);
219 field = vhcr->in_modifier; /* phys-port = logical-port */
220 MLX4_PUT(outbox->buf, field, QUERY_FUNC_CAP_PHYS_PORT_OFFSET);
222 /* size is now the QP number */
223 size = dev->phys_caps.base_tunnel_sqpn + 8 * slave + field - 1;
224 MLX4_PUT(outbox->buf, size, QUERY_FUNC_CAP_QP0_TUNNEL);
227 MLX4_PUT(outbox->buf, size, QUERY_FUNC_CAP_QP1_TUNNEL);
229 size = dev->phys_caps.base_proxy_sqpn + 8 * slave + field - 1;
230 MLX4_PUT(outbox->buf, size, QUERY_FUNC_CAP_QP0_PROXY);
233 MLX4_PUT(outbox->buf, size, QUERY_FUNC_CAP_QP1_PROXY);
235 } else if (vhcr->op_modifier == 0) {
236 /* enable rdma and ethernet interfaces */
237 field = (QUERY_FUNC_CAP_FLAG_ETH | QUERY_FUNC_CAP_FLAG_RDMA);
238 MLX4_PUT(outbox->buf, field, QUERY_FUNC_CAP_FLAGS_OFFSET);
240 field = dev->caps.num_ports;
241 MLX4_PUT(outbox->buf, field, QUERY_FUNC_CAP_NUM_PORTS_OFFSET);
243 size = dev->caps.function_caps; /* set PF behaviours */
244 MLX4_PUT(outbox->buf, size, QUERY_FUNC_CAP_PF_BHVR_OFFSET);
246 field = 0; /* protected FMR support not available as yet */
247 MLX4_PUT(outbox->buf, field, QUERY_FUNC_CAP_FMR_OFFSET);
249 size = dev->caps.num_qps;
250 MLX4_PUT(outbox->buf, size, QUERY_FUNC_CAP_QP_QUOTA_OFFSET);
252 size = dev->caps.num_srqs;
253 MLX4_PUT(outbox->buf, size, QUERY_FUNC_CAP_SRQ_QUOTA_OFFSET);
255 size = dev->caps.num_cqs;
256 MLX4_PUT(outbox->buf, size, QUERY_FUNC_CAP_CQ_QUOTA_OFFSET);
258 size = dev->caps.num_eqs;
259 MLX4_PUT(outbox->buf, size, QUERY_FUNC_CAP_MAX_EQ_OFFSET);
261 size = dev->caps.reserved_eqs;
262 MLX4_PUT(outbox->buf, size, QUERY_FUNC_CAP_RESERVED_EQ_OFFSET);
264 size = dev->caps.num_mpts;
265 MLX4_PUT(outbox->buf, size, QUERY_FUNC_CAP_MPT_QUOTA_OFFSET);
267 size = dev->caps.num_mtts;
268 MLX4_PUT(outbox->buf, size, QUERY_FUNC_CAP_MTT_QUOTA_OFFSET);
270 size = dev->caps.num_mgms + dev->caps.num_amgms;
271 MLX4_PUT(outbox->buf, size, QUERY_FUNC_CAP_MCG_QUOTA_OFFSET);
279 int mlx4_QUERY_FUNC_CAP(struct mlx4_dev *dev, u32 gen_or_port,
280 struct mlx4_func_cap *func_cap)
282 struct mlx4_cmd_mailbox *mailbox;
284 u8 field, op_modifier;
288 op_modifier = !!gen_or_port; /* 0 = general, 1 = logical port */
290 mailbox = mlx4_alloc_cmd_mailbox(dev);
292 return PTR_ERR(mailbox);
294 err = mlx4_cmd_box(dev, 0, mailbox->dma, gen_or_port, op_modifier,
295 MLX4_CMD_QUERY_FUNC_CAP,
296 MLX4_CMD_TIME_CLASS_A, MLX4_CMD_WRAPPED);
300 outbox = mailbox->buf;
303 MLX4_GET(field, outbox, QUERY_FUNC_CAP_FLAGS_OFFSET);
304 if (!(field & (QUERY_FUNC_CAP_FLAG_ETH | QUERY_FUNC_CAP_FLAG_RDMA))) {
305 mlx4_err(dev, "The host supports neither eth nor rdma interfaces\n");
306 err = -EPROTONOSUPPORT;
309 func_cap->flags = field;
311 MLX4_GET(field, outbox, QUERY_FUNC_CAP_NUM_PORTS_OFFSET);
312 func_cap->num_ports = field;
314 MLX4_GET(size, outbox, QUERY_FUNC_CAP_PF_BHVR_OFFSET);
315 func_cap->pf_context_behaviour = size;
317 MLX4_GET(size, outbox, QUERY_FUNC_CAP_QP_QUOTA_OFFSET);
318 func_cap->qp_quota = size & 0xFFFFFF;
320 MLX4_GET(size, outbox, QUERY_FUNC_CAP_SRQ_QUOTA_OFFSET);
321 func_cap->srq_quota = size & 0xFFFFFF;
323 MLX4_GET(size, outbox, QUERY_FUNC_CAP_CQ_QUOTA_OFFSET);
324 func_cap->cq_quota = size & 0xFFFFFF;
326 MLX4_GET(size, outbox, QUERY_FUNC_CAP_MAX_EQ_OFFSET);
327 func_cap->max_eq = size & 0xFFFFFF;
329 MLX4_GET(size, outbox, QUERY_FUNC_CAP_RESERVED_EQ_OFFSET);
330 func_cap->reserved_eq = size & 0xFFFFFF;
332 MLX4_GET(size, outbox, QUERY_FUNC_CAP_MPT_QUOTA_OFFSET);
333 func_cap->mpt_quota = size & 0xFFFFFF;
335 MLX4_GET(size, outbox, QUERY_FUNC_CAP_MTT_QUOTA_OFFSET);
336 func_cap->mtt_quota = size & 0xFFFFFF;
338 MLX4_GET(size, outbox, QUERY_FUNC_CAP_MCG_QUOTA_OFFSET);
339 func_cap->mcg_quota = size & 0xFFFFFF;
343 /* logical port query */
344 if (gen_or_port > dev->caps.num_ports) {
349 if (dev->caps.port_type[gen_or_port] == MLX4_PORT_TYPE_ETH) {
350 MLX4_GET(field, outbox, QUERY_FUNC_CAP_ETH_PROPS_OFFSET);
351 if (field & QUERY_FUNC_CAP_ETH_PROPS_FORCE_VLAN) {
352 mlx4_err(dev, "VLAN is enforced on this port\n");
353 err = -EPROTONOSUPPORT;
357 if (field & QUERY_FUNC_CAP_ETH_PROPS_FORCE_MAC) {
358 mlx4_err(dev, "Force mac is enabled on this port\n");
359 err = -EPROTONOSUPPORT;
362 } else if (dev->caps.port_type[gen_or_port] == MLX4_PORT_TYPE_IB) {
363 MLX4_GET(field, outbox, QUERY_FUNC_CAP_RDMA_PROPS_OFFSET);
364 if (field & QUERY_FUNC_CAP_RDMA_PROPS_FORCE_PHY_WQE_GID) {
365 mlx4_err(dev, "phy_wqe_gid is "
366 "enforced on this ib port\n");
367 err = -EPROTONOSUPPORT;
372 MLX4_GET(field, outbox, QUERY_FUNC_CAP_PHYS_PORT_OFFSET);
373 func_cap->physical_port = field;
374 if (func_cap->physical_port != gen_or_port) {
379 MLX4_GET(size, outbox, QUERY_FUNC_CAP_QP0_TUNNEL);
380 func_cap->qp0_tunnel_qpn = size & 0xFFFFFF;
382 MLX4_GET(size, outbox, QUERY_FUNC_CAP_QP0_PROXY);
383 func_cap->qp0_proxy_qpn = size & 0xFFFFFF;
385 MLX4_GET(size, outbox, QUERY_FUNC_CAP_QP1_TUNNEL);
386 func_cap->qp1_tunnel_qpn = size & 0xFFFFFF;
388 MLX4_GET(size, outbox, QUERY_FUNC_CAP_QP1_PROXY);
389 func_cap->qp1_proxy_qpn = size & 0xFFFFFF;
391 /* All other resources are allocated by the master, but we still report
392 * 'num' and 'reserved' capabilities as follows:
393 * - num remains the maximum resource index
394 * - 'num - reserved' is the total available objects of a resource, but
395 * resource indices may be less than 'reserved'
396 * TODO: set per-resource quotas */
399 mlx4_free_cmd_mailbox(dev, mailbox);
404 int mlx4_QUERY_DEV_CAP(struct mlx4_dev *dev, struct mlx4_dev_cap *dev_cap)
406 struct mlx4_cmd_mailbox *mailbox;
409 u32 field32, flags, ext_flags;
415 #define QUERY_DEV_CAP_OUT_SIZE 0x100
416 #define QUERY_DEV_CAP_MAX_SRQ_SZ_OFFSET 0x10
417 #define QUERY_DEV_CAP_MAX_QP_SZ_OFFSET 0x11
418 #define QUERY_DEV_CAP_RSVD_QP_OFFSET 0x12
419 #define QUERY_DEV_CAP_MAX_QP_OFFSET 0x13
420 #define QUERY_DEV_CAP_RSVD_SRQ_OFFSET 0x14
421 #define QUERY_DEV_CAP_MAX_SRQ_OFFSET 0x15
422 #define QUERY_DEV_CAP_RSVD_EEC_OFFSET 0x16
423 #define QUERY_DEV_CAP_MAX_EEC_OFFSET 0x17
424 #define QUERY_DEV_CAP_MAX_CQ_SZ_OFFSET 0x19
425 #define QUERY_DEV_CAP_RSVD_CQ_OFFSET 0x1a
426 #define QUERY_DEV_CAP_MAX_CQ_OFFSET 0x1b
427 #define QUERY_DEV_CAP_MAX_MPT_OFFSET 0x1d
428 #define QUERY_DEV_CAP_RSVD_EQ_OFFSET 0x1e
429 #define QUERY_DEV_CAP_MAX_EQ_OFFSET 0x1f
430 #define QUERY_DEV_CAP_RSVD_MTT_OFFSET 0x20
431 #define QUERY_DEV_CAP_MAX_MRW_SZ_OFFSET 0x21
432 #define QUERY_DEV_CAP_RSVD_MRW_OFFSET 0x22
433 #define QUERY_DEV_CAP_MAX_MTT_SEG_OFFSET 0x23
434 #define QUERY_DEV_CAP_MAX_AV_OFFSET 0x27
435 #define QUERY_DEV_CAP_MAX_REQ_QP_OFFSET 0x29
436 #define QUERY_DEV_CAP_MAX_RES_QP_OFFSET 0x2b
437 #define QUERY_DEV_CAP_MAX_GSO_OFFSET 0x2d
438 #define QUERY_DEV_CAP_RSS_OFFSET 0x2e
439 #define QUERY_DEV_CAP_MAX_RDMA_OFFSET 0x2f
440 #define QUERY_DEV_CAP_RSZ_SRQ_OFFSET 0x33
441 #define QUERY_DEV_CAP_ACK_DELAY_OFFSET 0x35
442 #define QUERY_DEV_CAP_MTU_WIDTH_OFFSET 0x36
443 #define QUERY_DEV_CAP_VL_PORT_OFFSET 0x37
444 #define QUERY_DEV_CAP_MAX_MSG_SZ_OFFSET 0x38
445 #define QUERY_DEV_CAP_MAX_GID_OFFSET 0x3b
446 #define QUERY_DEV_CAP_RATE_SUPPORT_OFFSET 0x3c
447 #define QUERY_DEV_CAP_MAX_PKEY_OFFSET 0x3f
448 #define QUERY_DEV_CAP_EXT_FLAGS_OFFSET 0x40
449 #define QUERY_DEV_CAP_FLAGS_OFFSET 0x44
450 #define QUERY_DEV_CAP_RSVD_UAR_OFFSET 0x48
451 #define QUERY_DEV_CAP_UAR_SZ_OFFSET 0x49
452 #define QUERY_DEV_CAP_PAGE_SZ_OFFSET 0x4b
453 #define QUERY_DEV_CAP_BF_OFFSET 0x4c
454 #define QUERY_DEV_CAP_LOG_BF_REG_SZ_OFFSET 0x4d
455 #define QUERY_DEV_CAP_LOG_MAX_BF_REGS_PER_PAGE_OFFSET 0x4e
456 #define QUERY_DEV_CAP_LOG_MAX_BF_PAGES_OFFSET 0x4f
457 #define QUERY_DEV_CAP_MAX_SG_SQ_OFFSET 0x51
458 #define QUERY_DEV_CAP_MAX_DESC_SZ_SQ_OFFSET 0x52
459 #define QUERY_DEV_CAP_MAX_SG_RQ_OFFSET 0x55
460 #define QUERY_DEV_CAP_MAX_DESC_SZ_RQ_OFFSET 0x56
461 #define QUERY_DEV_CAP_MAX_QP_MCG_OFFSET 0x61
462 #define QUERY_DEV_CAP_RSVD_MCG_OFFSET 0x62
463 #define QUERY_DEV_CAP_MAX_MCG_OFFSET 0x63
464 #define QUERY_DEV_CAP_RSVD_PD_OFFSET 0x64
465 #define QUERY_DEV_CAP_MAX_PD_OFFSET 0x65
466 #define QUERY_DEV_CAP_RSVD_XRC_OFFSET 0x66
467 #define QUERY_DEV_CAP_MAX_XRC_OFFSET 0x67
468 #define QUERY_DEV_CAP_MAX_COUNTERS_OFFSET 0x68
469 #define QUERY_DEV_CAP_FLOW_STEERING_RANGE_EN_OFFSET 0x76
470 #define QUERY_DEV_CAP_FLOW_STEERING_MAX_QP_OFFSET 0x77
471 #define QUERY_DEV_CAP_RDMARC_ENTRY_SZ_OFFSET 0x80
472 #define QUERY_DEV_CAP_QPC_ENTRY_SZ_OFFSET 0x82
473 #define QUERY_DEV_CAP_AUX_ENTRY_SZ_OFFSET 0x84
474 #define QUERY_DEV_CAP_ALTC_ENTRY_SZ_OFFSET 0x86
475 #define QUERY_DEV_CAP_EQC_ENTRY_SZ_OFFSET 0x88
476 #define QUERY_DEV_CAP_CQC_ENTRY_SZ_OFFSET 0x8a
477 #define QUERY_DEV_CAP_SRQ_ENTRY_SZ_OFFSET 0x8c
478 #define QUERY_DEV_CAP_C_MPT_ENTRY_SZ_OFFSET 0x8e
479 #define QUERY_DEV_CAP_MTT_ENTRY_SZ_OFFSET 0x90
480 #define QUERY_DEV_CAP_D_MPT_ENTRY_SZ_OFFSET 0x92
481 #define QUERY_DEV_CAP_BMME_FLAGS_OFFSET 0x94
482 #define QUERY_DEV_CAP_RSVD_LKEY_OFFSET 0x98
483 #define QUERY_DEV_CAP_MAX_ICM_SZ_OFFSET 0xa0
484 #define QUERY_DEV_CAP_FW_REASSIGN_MAC 0x9d
487 mailbox = mlx4_alloc_cmd_mailbox(dev);
489 return PTR_ERR(mailbox);
490 outbox = mailbox->buf;
492 err = mlx4_cmd_box(dev, 0, mailbox->dma, 0, 0, MLX4_CMD_QUERY_DEV_CAP,
493 MLX4_CMD_TIME_CLASS_A, MLX4_CMD_NATIVE);
497 MLX4_GET(field, outbox, QUERY_DEV_CAP_RSVD_QP_OFFSET);
498 dev_cap->reserved_qps = 1 << (field & 0xf);
499 MLX4_GET(field, outbox, QUERY_DEV_CAP_MAX_QP_OFFSET);
500 dev_cap->max_qps = 1 << (field & 0x1f);
501 MLX4_GET(field, outbox, QUERY_DEV_CAP_RSVD_SRQ_OFFSET);
502 dev_cap->reserved_srqs = 1 << (field >> 4);
503 MLX4_GET(field, outbox, QUERY_DEV_CAP_MAX_SRQ_OFFSET);
504 dev_cap->max_srqs = 1 << (field & 0x1f);
505 MLX4_GET(field, outbox, QUERY_DEV_CAP_MAX_CQ_SZ_OFFSET);
506 dev_cap->max_cq_sz = 1 << field;
507 MLX4_GET(field, outbox, QUERY_DEV_CAP_RSVD_CQ_OFFSET);
508 dev_cap->reserved_cqs = 1 << (field & 0xf);
509 MLX4_GET(field, outbox, QUERY_DEV_CAP_MAX_CQ_OFFSET);
510 dev_cap->max_cqs = 1 << (field & 0x1f);
511 MLX4_GET(field, outbox, QUERY_DEV_CAP_MAX_MPT_OFFSET);
512 dev_cap->max_mpts = 1 << (field & 0x3f);
513 MLX4_GET(field, outbox, QUERY_DEV_CAP_RSVD_EQ_OFFSET);
514 dev_cap->reserved_eqs = field & 0xf;
515 MLX4_GET(field, outbox, QUERY_DEV_CAP_MAX_EQ_OFFSET);
516 dev_cap->max_eqs = 1 << (field & 0xf);
517 MLX4_GET(field, outbox, QUERY_DEV_CAP_RSVD_MTT_OFFSET);
518 dev_cap->reserved_mtts = 1 << (field >> 4);
519 MLX4_GET(field, outbox, QUERY_DEV_CAP_MAX_MRW_SZ_OFFSET);
520 dev_cap->max_mrw_sz = 1 << field;
521 MLX4_GET(field, outbox, QUERY_DEV_CAP_RSVD_MRW_OFFSET);
522 dev_cap->reserved_mrws = 1 << (field & 0xf);
523 MLX4_GET(field, outbox, QUERY_DEV_CAP_MAX_MTT_SEG_OFFSET);
524 dev_cap->max_mtt_seg = 1 << (field & 0x3f);
525 MLX4_GET(field, outbox, QUERY_DEV_CAP_MAX_REQ_QP_OFFSET);
526 dev_cap->max_requester_per_qp = 1 << (field & 0x3f);
527 MLX4_GET(field, outbox, QUERY_DEV_CAP_MAX_RES_QP_OFFSET);
528 dev_cap->max_responder_per_qp = 1 << (field & 0x3f);
529 MLX4_GET(field, outbox, QUERY_DEV_CAP_MAX_GSO_OFFSET);
532 dev_cap->max_gso_sz = 0;
534 dev_cap->max_gso_sz = 1 << field;
536 MLX4_GET(field, outbox, QUERY_DEV_CAP_RSS_OFFSET);
538 dev_cap->flags2 |= MLX4_DEV_CAP_FLAG2_RSS_XOR;
540 dev_cap->flags2 |= MLX4_DEV_CAP_FLAG2_RSS_TOP;
543 dev_cap->flags2 |= MLX4_DEV_CAP_FLAG2_RSS;
544 dev_cap->max_rss_tbl_sz = 1 << field;
546 dev_cap->max_rss_tbl_sz = 0;
547 MLX4_GET(field, outbox, QUERY_DEV_CAP_MAX_RDMA_OFFSET);
548 dev_cap->max_rdma_global = 1 << (field & 0x3f);
549 MLX4_GET(field, outbox, QUERY_DEV_CAP_ACK_DELAY_OFFSET);
550 dev_cap->local_ca_ack_delay = field & 0x1f;
551 MLX4_GET(field, outbox, QUERY_DEV_CAP_VL_PORT_OFFSET);
552 dev_cap->num_ports = field & 0xf;
553 MLX4_GET(field, outbox, QUERY_DEV_CAP_MAX_MSG_SZ_OFFSET);
554 dev_cap->max_msg_sz = 1 << (field & 0x1f);
555 MLX4_GET(field, outbox, QUERY_DEV_CAP_FLOW_STEERING_RANGE_EN_OFFSET);
557 dev_cap->flags2 |= MLX4_DEV_CAP_FLAG2_FS_EN;
558 dev_cap->fs_log_max_ucast_qp_range_size = field & 0x1f;
559 MLX4_GET(field, outbox, QUERY_DEV_CAP_FLOW_STEERING_MAX_QP_OFFSET);
560 dev_cap->fs_max_num_qp_per_entry = field;
561 MLX4_GET(stat_rate, outbox, QUERY_DEV_CAP_RATE_SUPPORT_OFFSET);
562 dev_cap->stat_rate_support = stat_rate;
563 MLX4_GET(ext_flags, outbox, QUERY_DEV_CAP_EXT_FLAGS_OFFSET);
564 MLX4_GET(flags, outbox, QUERY_DEV_CAP_FLAGS_OFFSET);
565 dev_cap->flags = flags | (u64)ext_flags << 32;
566 MLX4_GET(field, outbox, QUERY_DEV_CAP_RSVD_UAR_OFFSET);
567 dev_cap->reserved_uars = field >> 4;
568 MLX4_GET(field, outbox, QUERY_DEV_CAP_UAR_SZ_OFFSET);
569 dev_cap->uar_size = 1 << ((field & 0x3f) + 20);
570 MLX4_GET(field, outbox, QUERY_DEV_CAP_PAGE_SZ_OFFSET);
571 dev_cap->min_page_sz = 1 << field;
573 MLX4_GET(field, outbox, QUERY_DEV_CAP_BF_OFFSET);
575 MLX4_GET(field, outbox, QUERY_DEV_CAP_LOG_BF_REG_SZ_OFFSET);
576 dev_cap->bf_reg_size = 1 << (field & 0x1f);
577 MLX4_GET(field, outbox, QUERY_DEV_CAP_LOG_MAX_BF_REGS_PER_PAGE_OFFSET);
578 if ((1 << (field & 0x3f)) > (PAGE_SIZE / dev_cap->bf_reg_size))
580 dev_cap->bf_regs_per_page = 1 << (field & 0x3f);
581 mlx4_dbg(dev, "BlueFlame available (reg size %d, regs/page %d)\n",
582 dev_cap->bf_reg_size, dev_cap->bf_regs_per_page);
584 dev_cap->bf_reg_size = 0;
585 mlx4_dbg(dev, "BlueFlame not available\n");
588 MLX4_GET(field, outbox, QUERY_DEV_CAP_MAX_SG_SQ_OFFSET);
589 dev_cap->max_sq_sg = field;
590 MLX4_GET(size, outbox, QUERY_DEV_CAP_MAX_DESC_SZ_SQ_OFFSET);
591 dev_cap->max_sq_desc_sz = size;
593 MLX4_GET(field, outbox, QUERY_DEV_CAP_MAX_QP_MCG_OFFSET);
594 dev_cap->max_qp_per_mcg = 1 << field;
595 MLX4_GET(field, outbox, QUERY_DEV_CAP_RSVD_MCG_OFFSET);
596 dev_cap->reserved_mgms = field & 0xf;
597 MLX4_GET(field, outbox, QUERY_DEV_CAP_MAX_MCG_OFFSET);
598 dev_cap->max_mcgs = 1 << field;
599 MLX4_GET(field, outbox, QUERY_DEV_CAP_RSVD_PD_OFFSET);
600 dev_cap->reserved_pds = field >> 4;
601 MLX4_GET(field, outbox, QUERY_DEV_CAP_MAX_PD_OFFSET);
602 dev_cap->max_pds = 1 << (field & 0x3f);
603 MLX4_GET(field, outbox, QUERY_DEV_CAP_RSVD_XRC_OFFSET);
604 dev_cap->reserved_xrcds = field >> 4;
605 MLX4_GET(field, outbox, QUERY_DEV_CAP_MAX_XRC_OFFSET);
606 dev_cap->max_xrcds = 1 << (field & 0x1f);
608 MLX4_GET(size, outbox, QUERY_DEV_CAP_RDMARC_ENTRY_SZ_OFFSET);
609 dev_cap->rdmarc_entry_sz = size;
610 MLX4_GET(size, outbox, QUERY_DEV_CAP_QPC_ENTRY_SZ_OFFSET);
611 dev_cap->qpc_entry_sz = size;
612 MLX4_GET(size, outbox, QUERY_DEV_CAP_AUX_ENTRY_SZ_OFFSET);
613 dev_cap->aux_entry_sz = size;
614 MLX4_GET(size, outbox, QUERY_DEV_CAP_ALTC_ENTRY_SZ_OFFSET);
615 dev_cap->altc_entry_sz = size;
616 MLX4_GET(size, outbox, QUERY_DEV_CAP_EQC_ENTRY_SZ_OFFSET);
617 dev_cap->eqc_entry_sz = size;
618 MLX4_GET(size, outbox, QUERY_DEV_CAP_CQC_ENTRY_SZ_OFFSET);
619 dev_cap->cqc_entry_sz = size;
620 MLX4_GET(size, outbox, QUERY_DEV_CAP_SRQ_ENTRY_SZ_OFFSET);
621 dev_cap->srq_entry_sz = size;
622 MLX4_GET(size, outbox, QUERY_DEV_CAP_C_MPT_ENTRY_SZ_OFFSET);
623 dev_cap->cmpt_entry_sz = size;
624 MLX4_GET(size, outbox, QUERY_DEV_CAP_MTT_ENTRY_SZ_OFFSET);
625 dev_cap->mtt_entry_sz = size;
626 MLX4_GET(size, outbox, QUERY_DEV_CAP_D_MPT_ENTRY_SZ_OFFSET);
627 dev_cap->dmpt_entry_sz = size;
629 MLX4_GET(field, outbox, QUERY_DEV_CAP_MAX_SRQ_SZ_OFFSET);
630 dev_cap->max_srq_sz = 1 << field;
631 MLX4_GET(field, outbox, QUERY_DEV_CAP_MAX_QP_SZ_OFFSET);
632 dev_cap->max_qp_sz = 1 << field;
633 MLX4_GET(field, outbox, QUERY_DEV_CAP_RSZ_SRQ_OFFSET);
634 dev_cap->resize_srq = field & 1;
635 MLX4_GET(field, outbox, QUERY_DEV_CAP_MAX_SG_RQ_OFFSET);
636 dev_cap->max_rq_sg = field;
637 MLX4_GET(size, outbox, QUERY_DEV_CAP_MAX_DESC_SZ_RQ_OFFSET);
638 dev_cap->max_rq_desc_sz = size;
640 MLX4_GET(dev_cap->bmme_flags, outbox,
641 QUERY_DEV_CAP_BMME_FLAGS_OFFSET);
642 MLX4_GET(dev_cap->reserved_lkey, outbox,
643 QUERY_DEV_CAP_RSVD_LKEY_OFFSET);
644 MLX4_GET(field, outbox, QUERY_DEV_CAP_FW_REASSIGN_MAC);
646 dev_cap->flags2 |= MLX4_DEV_CAP_FLAGS2_REASSIGN_MAC_EN;
647 MLX4_GET(dev_cap->max_icm_sz, outbox,
648 QUERY_DEV_CAP_MAX_ICM_SZ_OFFSET);
649 if (dev_cap->flags & MLX4_DEV_CAP_FLAG_COUNTERS)
650 MLX4_GET(dev_cap->max_counters, outbox,
651 QUERY_DEV_CAP_MAX_COUNTERS_OFFSET);
653 if (dev->flags & MLX4_FLAG_OLD_PORT_CMDS) {
654 for (i = 1; i <= dev_cap->num_ports; ++i) {
655 MLX4_GET(field, outbox, QUERY_DEV_CAP_VL_PORT_OFFSET);
656 dev_cap->max_vl[i] = field >> 4;
657 MLX4_GET(field, outbox, QUERY_DEV_CAP_MTU_WIDTH_OFFSET);
658 dev_cap->ib_mtu[i] = field >> 4;
659 dev_cap->max_port_width[i] = field & 0xf;
660 MLX4_GET(field, outbox, QUERY_DEV_CAP_MAX_GID_OFFSET);
661 dev_cap->max_gids[i] = 1 << (field & 0xf);
662 MLX4_GET(field, outbox, QUERY_DEV_CAP_MAX_PKEY_OFFSET);
663 dev_cap->max_pkeys[i] = 1 << (field & 0xf);
666 #define QUERY_PORT_SUPPORTED_TYPE_OFFSET 0x00
667 #define QUERY_PORT_MTU_OFFSET 0x01
668 #define QUERY_PORT_ETH_MTU_OFFSET 0x02
669 #define QUERY_PORT_WIDTH_OFFSET 0x06
670 #define QUERY_PORT_MAX_GID_PKEY_OFFSET 0x07
671 #define QUERY_PORT_MAX_MACVLAN_OFFSET 0x0a
672 #define QUERY_PORT_MAX_VL_OFFSET 0x0b
673 #define QUERY_PORT_MAC_OFFSET 0x10
674 #define QUERY_PORT_TRANS_VENDOR_OFFSET 0x18
675 #define QUERY_PORT_WAVELENGTH_OFFSET 0x1c
676 #define QUERY_PORT_TRANS_CODE_OFFSET 0x20
678 for (i = 1; i <= dev_cap->num_ports; ++i) {
679 err = mlx4_cmd_box(dev, 0, mailbox->dma, i, 0, MLX4_CMD_QUERY_PORT,
680 MLX4_CMD_TIME_CLASS_B, MLX4_CMD_NATIVE);
684 MLX4_GET(field, outbox, QUERY_PORT_SUPPORTED_TYPE_OFFSET);
685 dev_cap->supported_port_types[i] = field & 3;
686 dev_cap->suggested_type[i] = (field >> 3) & 1;
687 dev_cap->default_sense[i] = (field >> 4) & 1;
688 MLX4_GET(field, outbox, QUERY_PORT_MTU_OFFSET);
689 dev_cap->ib_mtu[i] = field & 0xf;
690 MLX4_GET(field, outbox, QUERY_PORT_WIDTH_OFFSET);
691 dev_cap->max_port_width[i] = field & 0xf;
692 MLX4_GET(field, outbox, QUERY_PORT_MAX_GID_PKEY_OFFSET);
693 dev_cap->max_gids[i] = 1 << (field >> 4);
694 dev_cap->max_pkeys[i] = 1 << (field & 0xf);
695 MLX4_GET(field, outbox, QUERY_PORT_MAX_VL_OFFSET);
696 dev_cap->max_vl[i] = field & 0xf;
697 MLX4_GET(field, outbox, QUERY_PORT_MAX_MACVLAN_OFFSET);
698 dev_cap->log_max_macs[i] = field & 0xf;
699 dev_cap->log_max_vlans[i] = field >> 4;
700 MLX4_GET(dev_cap->eth_mtu[i], outbox, QUERY_PORT_ETH_MTU_OFFSET);
701 MLX4_GET(dev_cap->def_mac[i], outbox, QUERY_PORT_MAC_OFFSET);
702 MLX4_GET(field32, outbox, QUERY_PORT_TRANS_VENDOR_OFFSET);
703 dev_cap->trans_type[i] = field32 >> 24;
704 dev_cap->vendor_oui[i] = field32 & 0xffffff;
705 MLX4_GET(dev_cap->wavelength[i], outbox, QUERY_PORT_WAVELENGTH_OFFSET);
706 MLX4_GET(dev_cap->trans_code[i], outbox, QUERY_PORT_TRANS_CODE_OFFSET);
710 mlx4_dbg(dev, "Base MM extensions: flags %08x, rsvd L_Key %08x\n",
711 dev_cap->bmme_flags, dev_cap->reserved_lkey);
714 * Each UAR has 4 EQ doorbells; so if a UAR is reserved, then
715 * we can't use any EQs whose doorbell falls on that page,
716 * even if the EQ itself isn't reserved.
718 dev_cap->reserved_eqs = max(dev_cap->reserved_uars * 4,
719 dev_cap->reserved_eqs);
721 mlx4_dbg(dev, "Max ICM size %lld MB\n",
722 (unsigned long long) dev_cap->max_icm_sz >> 20);
723 mlx4_dbg(dev, "Max QPs: %d, reserved QPs: %d, entry size: %d\n",
724 dev_cap->max_qps, dev_cap->reserved_qps, dev_cap->qpc_entry_sz);
725 mlx4_dbg(dev, "Max SRQs: %d, reserved SRQs: %d, entry size: %d\n",
726 dev_cap->max_srqs, dev_cap->reserved_srqs, dev_cap->srq_entry_sz);
727 mlx4_dbg(dev, "Max CQs: %d, reserved CQs: %d, entry size: %d\n",
728 dev_cap->max_cqs, dev_cap->reserved_cqs, dev_cap->cqc_entry_sz);
729 mlx4_dbg(dev, "Max EQs: %d, reserved EQs: %d, entry size: %d\n",
730 dev_cap->max_eqs, dev_cap->reserved_eqs, dev_cap->eqc_entry_sz);
731 mlx4_dbg(dev, "reserved MPTs: %d, reserved MTTs: %d\n",
732 dev_cap->reserved_mrws, dev_cap->reserved_mtts);
733 mlx4_dbg(dev, "Max PDs: %d, reserved PDs: %d, reserved UARs: %d\n",
734 dev_cap->max_pds, dev_cap->reserved_pds, dev_cap->reserved_uars);
735 mlx4_dbg(dev, "Max QP/MCG: %d, reserved MGMs: %d\n",
736 dev_cap->max_pds, dev_cap->reserved_mgms);
737 mlx4_dbg(dev, "Max CQEs: %d, max WQEs: %d, max SRQ WQEs: %d\n",
738 dev_cap->max_cq_sz, dev_cap->max_qp_sz, dev_cap->max_srq_sz);
739 mlx4_dbg(dev, "Local CA ACK delay: %d, max MTU: %d, port width cap: %d\n",
740 dev_cap->local_ca_ack_delay, 128 << dev_cap->ib_mtu[1],
741 dev_cap->max_port_width[1]);
742 mlx4_dbg(dev, "Max SQ desc size: %d, max SQ S/G: %d\n",
743 dev_cap->max_sq_desc_sz, dev_cap->max_sq_sg);
744 mlx4_dbg(dev, "Max RQ desc size: %d, max RQ S/G: %d\n",
745 dev_cap->max_rq_desc_sz, dev_cap->max_rq_sg);
746 mlx4_dbg(dev, "Max GSO size: %d\n", dev_cap->max_gso_sz);
747 mlx4_dbg(dev, "Max counters: %d\n", dev_cap->max_counters);
748 mlx4_dbg(dev, "Max RSS Table size: %d\n", dev_cap->max_rss_tbl_sz);
750 dump_dev_cap_flags(dev, dev_cap->flags);
751 dump_dev_cap_flags2(dev, dev_cap->flags2);
754 mlx4_free_cmd_mailbox(dev, mailbox);
758 int mlx4_QUERY_DEV_CAP_wrapper(struct mlx4_dev *dev, int slave,
759 struct mlx4_vhcr *vhcr,
760 struct mlx4_cmd_mailbox *inbox,
761 struct mlx4_cmd_mailbox *outbox,
762 struct mlx4_cmd_info *cmd)
769 err = mlx4_cmd_box(dev, 0, outbox->dma, 0, 0, MLX4_CMD_QUERY_DEV_CAP,
770 MLX4_CMD_TIME_CLASS_A, MLX4_CMD_NATIVE);
774 /* add port mng change event capability and disable mw type 1
775 * unconditionally to slaves
777 MLX4_GET(flags, outbox->buf, QUERY_DEV_CAP_EXT_FLAGS_OFFSET);
778 flags |= MLX4_DEV_CAP_FLAG_PORT_MNG_CHG_EV;
779 flags &= ~MLX4_DEV_CAP_FLAG_MEM_WINDOW;
780 MLX4_PUT(outbox->buf, flags, QUERY_DEV_CAP_EXT_FLAGS_OFFSET);
782 /* For guests, report Blueflame disabled */
783 MLX4_GET(field, outbox->buf, QUERY_DEV_CAP_BF_OFFSET);
785 MLX4_PUT(outbox->buf, field, QUERY_DEV_CAP_BF_OFFSET);
787 /* For guests, disable mw type 2 */
788 MLX4_GET(bmme_flags, outbox, QUERY_DEV_CAP_BMME_FLAGS_OFFSET);
789 bmme_flags &= ~MLX4_BMME_FLAG_TYPE_2_WIN;
790 MLX4_PUT(outbox->buf, bmme_flags, QUERY_DEV_CAP_BMME_FLAGS_OFFSET);
792 /* turn off device-managed steering capability if not enabled */
793 if (dev->caps.steering_mode != MLX4_STEERING_MODE_DEVICE_MANAGED) {
794 MLX4_GET(field, outbox->buf,
795 QUERY_DEV_CAP_FLOW_STEERING_RANGE_EN_OFFSET);
797 MLX4_PUT(outbox->buf, field,
798 QUERY_DEV_CAP_FLOW_STEERING_RANGE_EN_OFFSET);
803 int mlx4_QUERY_PORT_wrapper(struct mlx4_dev *dev, int slave,
804 struct mlx4_vhcr *vhcr,
805 struct mlx4_cmd_mailbox *inbox,
806 struct mlx4_cmd_mailbox *outbox,
807 struct mlx4_cmd_info *cmd)
814 #define MLX4_VF_PORT_NO_LINK_SENSE_MASK 0xE0
815 #define QUERY_PORT_CUR_MAX_PKEY_OFFSET 0x0c
816 #define QUERY_PORT_CUR_MAX_GID_OFFSET 0x0e
818 err = mlx4_cmd_box(dev, 0, outbox->dma, vhcr->in_modifier, 0,
819 MLX4_CMD_QUERY_PORT, MLX4_CMD_TIME_CLASS_B,
822 if (!err && dev->caps.function != slave) {
823 /* set slave default_mac address */
824 MLX4_GET(def_mac, outbox->buf, QUERY_PORT_MAC_OFFSET);
825 def_mac += slave << 8;
826 MLX4_PUT(outbox->buf, def_mac, QUERY_PORT_MAC_OFFSET);
828 /* get port type - currently only eth is enabled */
829 MLX4_GET(port_type, outbox->buf,
830 QUERY_PORT_SUPPORTED_TYPE_OFFSET);
832 /* No link sensing allowed */
833 port_type &= MLX4_VF_PORT_NO_LINK_SENSE_MASK;
834 /* set port type to currently operating port type */
835 port_type |= (dev->caps.port_type[vhcr->in_modifier] & 0x3);
837 MLX4_PUT(outbox->buf, port_type,
838 QUERY_PORT_SUPPORTED_TYPE_OFFSET);
840 short_field = 1; /* slave max gids */
841 MLX4_PUT(outbox->buf, short_field,
842 QUERY_PORT_CUR_MAX_GID_OFFSET);
844 short_field = dev->caps.pkey_table_len[vhcr->in_modifier];
845 MLX4_PUT(outbox->buf, short_field,
846 QUERY_PORT_CUR_MAX_PKEY_OFFSET);
852 int mlx4_get_slave_pkey_gid_tbl_len(struct mlx4_dev *dev, u8 port,
853 int *gid_tbl_len, int *pkey_tbl_len)
855 struct mlx4_cmd_mailbox *mailbox;
860 mailbox = mlx4_alloc_cmd_mailbox(dev);
862 return PTR_ERR(mailbox);
864 err = mlx4_cmd_box(dev, 0, mailbox->dma, port, 0,
865 MLX4_CMD_QUERY_PORT, MLX4_CMD_TIME_CLASS_B,
870 outbox = mailbox->buf;
872 MLX4_GET(field, outbox, QUERY_PORT_CUR_MAX_GID_OFFSET);
873 *gid_tbl_len = field;
875 MLX4_GET(field, outbox, QUERY_PORT_CUR_MAX_PKEY_OFFSET);
876 *pkey_tbl_len = field;
879 mlx4_free_cmd_mailbox(dev, mailbox);
882 EXPORT_SYMBOL(mlx4_get_slave_pkey_gid_tbl_len);
884 int mlx4_map_cmd(struct mlx4_dev *dev, u16 op, struct mlx4_icm *icm, u64 virt)
886 struct mlx4_cmd_mailbox *mailbox;
887 struct mlx4_icm_iter iter;
895 mailbox = mlx4_alloc_cmd_mailbox(dev);
897 return PTR_ERR(mailbox);
898 memset(mailbox->buf, 0, MLX4_MAILBOX_SIZE);
899 pages = mailbox->buf;
901 for (mlx4_icm_first(icm, &iter);
902 !mlx4_icm_last(&iter);
903 mlx4_icm_next(&iter)) {
905 * We have to pass pages that are aligned to their
906 * size, so find the least significant 1 in the
907 * address or size and use that as our log2 size.
909 lg = ffs(mlx4_icm_addr(&iter) | mlx4_icm_size(&iter)) - 1;
910 if (lg < MLX4_ICM_PAGE_SHIFT) {
911 mlx4_warn(dev, "Got FW area not aligned to %d (%llx/%lx).\n",
913 (unsigned long long) mlx4_icm_addr(&iter),
914 mlx4_icm_size(&iter));
919 for (i = 0; i < mlx4_icm_size(&iter) >> lg; ++i) {
921 pages[nent * 2] = cpu_to_be64(virt);
925 pages[nent * 2 + 1] =
926 cpu_to_be64((mlx4_icm_addr(&iter) + (i << lg)) |
927 (lg - MLX4_ICM_PAGE_SHIFT));
928 ts += 1 << (lg - 10);
931 if (++nent == MLX4_MAILBOX_SIZE / 16) {
932 err = mlx4_cmd(dev, mailbox->dma, nent, 0, op,
933 MLX4_CMD_TIME_CLASS_B,
943 err = mlx4_cmd(dev, mailbox->dma, nent, 0, op,
944 MLX4_CMD_TIME_CLASS_B, MLX4_CMD_NATIVE);
949 case MLX4_CMD_MAP_FA:
950 mlx4_dbg(dev, "Mapped %d chunks/%d KB for FW.\n", tc, ts);
952 case MLX4_CMD_MAP_ICM_AUX:
953 mlx4_dbg(dev, "Mapped %d chunks/%d KB for ICM aux.\n", tc, ts);
955 case MLX4_CMD_MAP_ICM:
956 mlx4_dbg(dev, "Mapped %d chunks/%d KB at %llx for ICM.\n",
957 tc, ts, (unsigned long long) virt - (ts << 10));
962 mlx4_free_cmd_mailbox(dev, mailbox);
966 int mlx4_MAP_FA(struct mlx4_dev *dev, struct mlx4_icm *icm)
968 return mlx4_map_cmd(dev, MLX4_CMD_MAP_FA, icm, -1);
971 int mlx4_UNMAP_FA(struct mlx4_dev *dev)
973 return mlx4_cmd(dev, 0, 0, 0, MLX4_CMD_UNMAP_FA,
974 MLX4_CMD_TIME_CLASS_B, MLX4_CMD_NATIVE);
978 int mlx4_RUN_FW(struct mlx4_dev *dev)
980 return mlx4_cmd(dev, 0, 0, 0, MLX4_CMD_RUN_FW,
981 MLX4_CMD_TIME_CLASS_A, MLX4_CMD_NATIVE);
984 int mlx4_QUERY_FW(struct mlx4_dev *dev)
986 struct mlx4_fw *fw = &mlx4_priv(dev)->fw;
987 struct mlx4_cmd *cmd = &mlx4_priv(dev)->cmd;
988 struct mlx4_cmd_mailbox *mailbox;
995 #define QUERY_FW_OUT_SIZE 0x100
996 #define QUERY_FW_VER_OFFSET 0x00
997 #define QUERY_FW_PPF_ID 0x09
998 #define QUERY_FW_CMD_IF_REV_OFFSET 0x0a
999 #define QUERY_FW_MAX_CMD_OFFSET 0x0f
1000 #define QUERY_FW_ERR_START_OFFSET 0x30
1001 #define QUERY_FW_ERR_SIZE_OFFSET 0x38
1002 #define QUERY_FW_ERR_BAR_OFFSET 0x3c
1004 #define QUERY_FW_SIZE_OFFSET 0x00
1005 #define QUERY_FW_CLR_INT_BASE_OFFSET 0x20
1006 #define QUERY_FW_CLR_INT_BAR_OFFSET 0x28
1008 #define QUERY_FW_COMM_BASE_OFFSET 0x40
1009 #define QUERY_FW_COMM_BAR_OFFSET 0x48
1011 mailbox = mlx4_alloc_cmd_mailbox(dev);
1012 if (IS_ERR(mailbox))
1013 return PTR_ERR(mailbox);
1014 outbox = mailbox->buf;
1016 err = mlx4_cmd_box(dev, 0, mailbox->dma, 0, 0, MLX4_CMD_QUERY_FW,
1017 MLX4_CMD_TIME_CLASS_A, MLX4_CMD_NATIVE);
1021 MLX4_GET(fw_ver, outbox, QUERY_FW_VER_OFFSET);
1023 * FW subminor version is at more significant bits than minor
1024 * version, so swap here.
1026 dev->caps.fw_ver = (fw_ver & 0xffff00000000ull) |
1027 ((fw_ver & 0xffff0000ull) >> 16) |
1028 ((fw_ver & 0x0000ffffull) << 16);
1030 MLX4_GET(lg, outbox, QUERY_FW_PPF_ID);
1031 dev->caps.function = lg;
1033 if (mlx4_is_slave(dev))
1037 MLX4_GET(cmd_if_rev, outbox, QUERY_FW_CMD_IF_REV_OFFSET);
1038 if (cmd_if_rev < MLX4_COMMAND_INTERFACE_MIN_REV ||
1039 cmd_if_rev > MLX4_COMMAND_INTERFACE_MAX_REV) {
1040 mlx4_err(dev, "Installed FW has unsupported "
1041 "command interface revision %d.\n",
1043 mlx4_err(dev, "(Installed FW version is %d.%d.%03d)\n",
1044 (int) (dev->caps.fw_ver >> 32),
1045 (int) (dev->caps.fw_ver >> 16) & 0xffff,
1046 (int) dev->caps.fw_ver & 0xffff);
1047 mlx4_err(dev, "This driver version supports only revisions %d to %d.\n",
1048 MLX4_COMMAND_INTERFACE_MIN_REV, MLX4_COMMAND_INTERFACE_MAX_REV);
1053 if (cmd_if_rev < MLX4_COMMAND_INTERFACE_NEW_PORT_CMDS)
1054 dev->flags |= MLX4_FLAG_OLD_PORT_CMDS;
1056 MLX4_GET(lg, outbox, QUERY_FW_MAX_CMD_OFFSET);
1057 cmd->max_cmds = 1 << lg;
1059 mlx4_dbg(dev, "FW version %d.%d.%03d (cmd intf rev %d), max commands %d\n",
1060 (int) (dev->caps.fw_ver >> 32),
1061 (int) (dev->caps.fw_ver >> 16) & 0xffff,
1062 (int) dev->caps.fw_ver & 0xffff,
1063 cmd_if_rev, cmd->max_cmds);
1065 MLX4_GET(fw->catas_offset, outbox, QUERY_FW_ERR_START_OFFSET);
1066 MLX4_GET(fw->catas_size, outbox, QUERY_FW_ERR_SIZE_OFFSET);
1067 MLX4_GET(fw->catas_bar, outbox, QUERY_FW_ERR_BAR_OFFSET);
1068 fw->catas_bar = (fw->catas_bar >> 6) * 2;
1070 mlx4_dbg(dev, "Catastrophic error buffer at 0x%llx, size 0x%x, BAR %d\n",
1071 (unsigned long long) fw->catas_offset, fw->catas_size, fw->catas_bar);
1073 MLX4_GET(fw->fw_pages, outbox, QUERY_FW_SIZE_OFFSET);
1074 MLX4_GET(fw->clr_int_base, outbox, QUERY_FW_CLR_INT_BASE_OFFSET);
1075 MLX4_GET(fw->clr_int_bar, outbox, QUERY_FW_CLR_INT_BAR_OFFSET);
1076 fw->clr_int_bar = (fw->clr_int_bar >> 6) * 2;
1078 MLX4_GET(fw->comm_base, outbox, QUERY_FW_COMM_BASE_OFFSET);
1079 MLX4_GET(fw->comm_bar, outbox, QUERY_FW_COMM_BAR_OFFSET);
1080 fw->comm_bar = (fw->comm_bar >> 6) * 2;
1081 mlx4_dbg(dev, "Communication vector bar:%d offset:0x%llx\n",
1082 fw->comm_bar, fw->comm_base);
1083 mlx4_dbg(dev, "FW size %d KB\n", fw->fw_pages >> 2);
1086 * Round up number of system pages needed in case
1087 * MLX4_ICM_PAGE_SIZE < PAGE_SIZE.
1090 ALIGN(fw->fw_pages, PAGE_SIZE / MLX4_ICM_PAGE_SIZE) >>
1091 (PAGE_SHIFT - MLX4_ICM_PAGE_SHIFT);
1093 mlx4_dbg(dev, "Clear int @ %llx, BAR %d\n",
1094 (unsigned long long) fw->clr_int_base, fw->clr_int_bar);
1097 mlx4_free_cmd_mailbox(dev, mailbox);
1101 int mlx4_QUERY_FW_wrapper(struct mlx4_dev *dev, int slave,
1102 struct mlx4_vhcr *vhcr,
1103 struct mlx4_cmd_mailbox *inbox,
1104 struct mlx4_cmd_mailbox *outbox,
1105 struct mlx4_cmd_info *cmd)
1110 outbuf = outbox->buf;
1111 err = mlx4_cmd_box(dev, 0, outbox->dma, 0, 0, MLX4_CMD_QUERY_FW,
1112 MLX4_CMD_TIME_CLASS_A, MLX4_CMD_NATIVE);
1116 /* for slaves, set pci PPF ID to invalid and zero out everything
1117 * else except FW version */
1118 outbuf[0] = outbuf[1] = 0;
1119 memset(&outbuf[8], 0, QUERY_FW_OUT_SIZE - 8);
1120 outbuf[QUERY_FW_PPF_ID] = MLX4_INVALID_SLAVE_ID;
1125 static void get_board_id(void *vsd, char *board_id)
1129 #define VSD_OFFSET_SIG1 0x00
1130 #define VSD_OFFSET_SIG2 0xde
1131 #define VSD_OFFSET_MLX_BOARD_ID 0xd0
1132 #define VSD_OFFSET_TS_BOARD_ID 0x20
1134 #define VSD_SIGNATURE_TOPSPIN 0x5ad
1136 memset(board_id, 0, MLX4_BOARD_ID_LEN);
1138 if (be16_to_cpup(vsd + VSD_OFFSET_SIG1) == VSD_SIGNATURE_TOPSPIN &&
1139 be16_to_cpup(vsd + VSD_OFFSET_SIG2) == VSD_SIGNATURE_TOPSPIN) {
1140 strlcpy(board_id, vsd + VSD_OFFSET_TS_BOARD_ID, MLX4_BOARD_ID_LEN);
1143 * The board ID is a string but the firmware byte
1144 * swaps each 4-byte word before passing it back to
1145 * us. Therefore we need to swab it before printing.
1147 for (i = 0; i < 4; ++i)
1148 ((u32 *) board_id)[i] =
1149 swab32(*(u32 *) (vsd + VSD_OFFSET_MLX_BOARD_ID + i * 4));
1153 int mlx4_QUERY_ADAPTER(struct mlx4_dev *dev, struct mlx4_adapter *adapter)
1155 struct mlx4_cmd_mailbox *mailbox;
1159 #define QUERY_ADAPTER_OUT_SIZE 0x100
1160 #define QUERY_ADAPTER_INTA_PIN_OFFSET 0x10
1161 #define QUERY_ADAPTER_VSD_OFFSET 0x20
1163 mailbox = mlx4_alloc_cmd_mailbox(dev);
1164 if (IS_ERR(mailbox))
1165 return PTR_ERR(mailbox);
1166 outbox = mailbox->buf;
1168 err = mlx4_cmd_box(dev, 0, mailbox->dma, 0, 0, MLX4_CMD_QUERY_ADAPTER,
1169 MLX4_CMD_TIME_CLASS_A, MLX4_CMD_NATIVE);
1173 MLX4_GET(adapter->inta_pin, outbox, QUERY_ADAPTER_INTA_PIN_OFFSET);
1175 get_board_id(outbox + QUERY_ADAPTER_VSD_OFFSET / 4,
1179 mlx4_free_cmd_mailbox(dev, mailbox);
1183 int mlx4_INIT_HCA(struct mlx4_dev *dev, struct mlx4_init_hca_param *param)
1185 struct mlx4_cmd_mailbox *mailbox;
1189 #define INIT_HCA_IN_SIZE 0x200
1190 #define INIT_HCA_VERSION_OFFSET 0x000
1191 #define INIT_HCA_VERSION 2
1192 #define INIT_HCA_CACHELINE_SZ_OFFSET 0x0e
1193 #define INIT_HCA_FLAGS_OFFSET 0x014
1194 #define INIT_HCA_QPC_OFFSET 0x020
1195 #define INIT_HCA_QPC_BASE_OFFSET (INIT_HCA_QPC_OFFSET + 0x10)
1196 #define INIT_HCA_LOG_QP_OFFSET (INIT_HCA_QPC_OFFSET + 0x17)
1197 #define INIT_HCA_SRQC_BASE_OFFSET (INIT_HCA_QPC_OFFSET + 0x28)
1198 #define INIT_HCA_LOG_SRQ_OFFSET (INIT_HCA_QPC_OFFSET + 0x2f)
1199 #define INIT_HCA_CQC_BASE_OFFSET (INIT_HCA_QPC_OFFSET + 0x30)
1200 #define INIT_HCA_LOG_CQ_OFFSET (INIT_HCA_QPC_OFFSET + 0x37)
1201 #define INIT_HCA_EQE_CQE_OFFSETS (INIT_HCA_QPC_OFFSET + 0x38)
1202 #define INIT_HCA_ALTC_BASE_OFFSET (INIT_HCA_QPC_OFFSET + 0x40)
1203 #define INIT_HCA_AUXC_BASE_OFFSET (INIT_HCA_QPC_OFFSET + 0x50)
1204 #define INIT_HCA_EQC_BASE_OFFSET (INIT_HCA_QPC_OFFSET + 0x60)
1205 #define INIT_HCA_LOG_EQ_OFFSET (INIT_HCA_QPC_OFFSET + 0x67)
1206 #define INIT_HCA_RDMARC_BASE_OFFSET (INIT_HCA_QPC_OFFSET + 0x70)
1207 #define INIT_HCA_LOG_RD_OFFSET (INIT_HCA_QPC_OFFSET + 0x77)
1208 #define INIT_HCA_MCAST_OFFSET 0x0c0
1209 #define INIT_HCA_MC_BASE_OFFSET (INIT_HCA_MCAST_OFFSET + 0x00)
1210 #define INIT_HCA_LOG_MC_ENTRY_SZ_OFFSET (INIT_HCA_MCAST_OFFSET + 0x12)
1211 #define INIT_HCA_LOG_MC_HASH_SZ_OFFSET (INIT_HCA_MCAST_OFFSET + 0x16)
1212 #define INIT_HCA_UC_STEERING_OFFSET (INIT_HCA_MCAST_OFFSET + 0x18)
1213 #define INIT_HCA_LOG_MC_TABLE_SZ_OFFSET (INIT_HCA_MCAST_OFFSET + 0x1b)
1214 #define INIT_HCA_DEVICE_MANAGED_FLOW_STEERING_EN 0x6
1215 #define INIT_HCA_FS_PARAM_OFFSET 0x1d0
1216 #define INIT_HCA_FS_BASE_OFFSET (INIT_HCA_FS_PARAM_OFFSET + 0x00)
1217 #define INIT_HCA_FS_LOG_ENTRY_SZ_OFFSET (INIT_HCA_FS_PARAM_OFFSET + 0x12)
1218 #define INIT_HCA_FS_LOG_TABLE_SZ_OFFSET (INIT_HCA_FS_PARAM_OFFSET + 0x1b)
1219 #define INIT_HCA_FS_ETH_BITS_OFFSET (INIT_HCA_FS_PARAM_OFFSET + 0x21)
1220 #define INIT_HCA_FS_ETH_NUM_ADDRS_OFFSET (INIT_HCA_FS_PARAM_OFFSET + 0x22)
1221 #define INIT_HCA_FS_IB_BITS_OFFSET (INIT_HCA_FS_PARAM_OFFSET + 0x25)
1222 #define INIT_HCA_FS_IB_NUM_ADDRS_OFFSET (INIT_HCA_FS_PARAM_OFFSET + 0x26)
1223 #define INIT_HCA_TPT_OFFSET 0x0f0
1224 #define INIT_HCA_DMPT_BASE_OFFSET (INIT_HCA_TPT_OFFSET + 0x00)
1225 #define INIT_HCA_TPT_MW_OFFSET (INIT_HCA_TPT_OFFSET + 0x08)
1226 #define INIT_HCA_LOG_MPT_SZ_OFFSET (INIT_HCA_TPT_OFFSET + 0x0b)
1227 #define INIT_HCA_MTT_BASE_OFFSET (INIT_HCA_TPT_OFFSET + 0x10)
1228 #define INIT_HCA_CMPT_BASE_OFFSET (INIT_HCA_TPT_OFFSET + 0x18)
1229 #define INIT_HCA_UAR_OFFSET 0x120
1230 #define INIT_HCA_LOG_UAR_SZ_OFFSET (INIT_HCA_UAR_OFFSET + 0x0a)
1231 #define INIT_HCA_UAR_PAGE_SZ_OFFSET (INIT_HCA_UAR_OFFSET + 0x0b)
1233 mailbox = mlx4_alloc_cmd_mailbox(dev);
1234 if (IS_ERR(mailbox))
1235 return PTR_ERR(mailbox);
1236 inbox = mailbox->buf;
1238 memset(inbox, 0, INIT_HCA_IN_SIZE);
1240 *((u8 *) mailbox->buf + INIT_HCA_VERSION_OFFSET) = INIT_HCA_VERSION;
1242 *((u8 *) mailbox->buf + INIT_HCA_CACHELINE_SZ_OFFSET) =
1243 (ilog2(cache_line_size()) - 4) << 5;
1245 #if defined(__LITTLE_ENDIAN)
1246 *(inbox + INIT_HCA_FLAGS_OFFSET / 4) &= ~cpu_to_be32(1 << 1);
1247 #elif defined(__BIG_ENDIAN)
1248 *(inbox + INIT_HCA_FLAGS_OFFSET / 4) |= cpu_to_be32(1 << 1);
1250 #error Host endianness not defined
1252 /* Check port for UD address vector: */
1253 *(inbox + INIT_HCA_FLAGS_OFFSET / 4) |= cpu_to_be32(1);
1255 /* Enable IPoIB checksumming if we can: */
1256 if (dev->caps.flags & MLX4_DEV_CAP_FLAG_IPOIB_CSUM)
1257 *(inbox + INIT_HCA_FLAGS_OFFSET / 4) |= cpu_to_be32(1 << 3);
1259 /* Enable QoS support if module parameter set */
1261 *(inbox + INIT_HCA_FLAGS_OFFSET / 4) |= cpu_to_be32(1 << 2);
1263 /* enable counters */
1264 if (dev->caps.flags & MLX4_DEV_CAP_FLAG_COUNTERS)
1265 *(inbox + INIT_HCA_FLAGS_OFFSET / 4) |= cpu_to_be32(1 << 4);
1267 /* CX3 is capable of extending CQEs/EQEs from 32 to 64 bytes */
1268 if (dev->caps.flags & MLX4_DEV_CAP_FLAG_64B_EQE) {
1269 *(inbox + INIT_HCA_EQE_CQE_OFFSETS / 4) |= cpu_to_be32(1 << 29);
1270 dev->caps.eqe_size = 64;
1271 dev->caps.eqe_factor = 1;
1273 dev->caps.eqe_size = 32;
1274 dev->caps.eqe_factor = 0;
1277 if (dev->caps.flags & MLX4_DEV_CAP_FLAG_64B_CQE) {
1278 *(inbox + INIT_HCA_EQE_CQE_OFFSETS / 4) |= cpu_to_be32(1 << 30);
1279 dev->caps.cqe_size = 64;
1280 dev->caps.userspace_caps |= MLX4_USER_DEV_CAP_64B_CQE;
1282 dev->caps.cqe_size = 32;
1285 /* QPC/EEC/CQC/EQC/RDMARC attributes */
1287 MLX4_PUT(inbox, param->qpc_base, INIT_HCA_QPC_BASE_OFFSET);
1288 MLX4_PUT(inbox, param->log_num_qps, INIT_HCA_LOG_QP_OFFSET);
1289 MLX4_PUT(inbox, param->srqc_base, INIT_HCA_SRQC_BASE_OFFSET);
1290 MLX4_PUT(inbox, param->log_num_srqs, INIT_HCA_LOG_SRQ_OFFSET);
1291 MLX4_PUT(inbox, param->cqc_base, INIT_HCA_CQC_BASE_OFFSET);
1292 MLX4_PUT(inbox, param->log_num_cqs, INIT_HCA_LOG_CQ_OFFSET);
1293 MLX4_PUT(inbox, param->altc_base, INIT_HCA_ALTC_BASE_OFFSET);
1294 MLX4_PUT(inbox, param->auxc_base, INIT_HCA_AUXC_BASE_OFFSET);
1295 MLX4_PUT(inbox, param->eqc_base, INIT_HCA_EQC_BASE_OFFSET);
1296 MLX4_PUT(inbox, param->log_num_eqs, INIT_HCA_LOG_EQ_OFFSET);
1297 MLX4_PUT(inbox, param->rdmarc_base, INIT_HCA_RDMARC_BASE_OFFSET);
1298 MLX4_PUT(inbox, param->log_rd_per_qp, INIT_HCA_LOG_RD_OFFSET);
1300 /* steering attributes */
1301 if (dev->caps.steering_mode ==
1302 MLX4_STEERING_MODE_DEVICE_MANAGED) {
1303 *(inbox + INIT_HCA_FLAGS_OFFSET / 4) |=
1305 INIT_HCA_DEVICE_MANAGED_FLOW_STEERING_EN);
1307 MLX4_PUT(inbox, param->mc_base, INIT_HCA_FS_BASE_OFFSET);
1308 MLX4_PUT(inbox, param->log_mc_entry_sz,
1309 INIT_HCA_FS_LOG_ENTRY_SZ_OFFSET);
1310 MLX4_PUT(inbox, param->log_mc_table_sz,
1311 INIT_HCA_FS_LOG_TABLE_SZ_OFFSET);
1312 /* Enable Ethernet flow steering
1313 * with udp unicast and tcp unicast
1315 MLX4_PUT(inbox, (u8) (MLX4_FS_UDP_UC_EN | MLX4_FS_TCP_UC_EN),
1316 INIT_HCA_FS_ETH_BITS_OFFSET);
1317 MLX4_PUT(inbox, (u16) MLX4_FS_NUM_OF_L2_ADDR,
1318 INIT_HCA_FS_ETH_NUM_ADDRS_OFFSET);
1319 /* Enable IPoIB flow steering
1320 * with udp unicast and tcp unicast
1322 MLX4_PUT(inbox, (u8) (MLX4_FS_UDP_UC_EN | MLX4_FS_TCP_UC_EN),
1323 INIT_HCA_FS_IB_BITS_OFFSET);
1324 MLX4_PUT(inbox, (u16) MLX4_FS_NUM_OF_L2_ADDR,
1325 INIT_HCA_FS_IB_NUM_ADDRS_OFFSET);
1327 MLX4_PUT(inbox, param->mc_base, INIT_HCA_MC_BASE_OFFSET);
1328 MLX4_PUT(inbox, param->log_mc_entry_sz,
1329 INIT_HCA_LOG_MC_ENTRY_SZ_OFFSET);
1330 MLX4_PUT(inbox, param->log_mc_hash_sz,
1331 INIT_HCA_LOG_MC_HASH_SZ_OFFSET);
1332 MLX4_PUT(inbox, param->log_mc_table_sz,
1333 INIT_HCA_LOG_MC_TABLE_SZ_OFFSET);
1334 if (dev->caps.steering_mode == MLX4_STEERING_MODE_B0)
1335 MLX4_PUT(inbox, (u8) (1 << 3),
1336 INIT_HCA_UC_STEERING_OFFSET);
1339 /* TPT attributes */
1341 MLX4_PUT(inbox, param->dmpt_base, INIT_HCA_DMPT_BASE_OFFSET);
1342 MLX4_PUT(inbox, param->mw_enabled, INIT_HCA_TPT_MW_OFFSET);
1343 MLX4_PUT(inbox, param->log_mpt_sz, INIT_HCA_LOG_MPT_SZ_OFFSET);
1344 MLX4_PUT(inbox, param->mtt_base, INIT_HCA_MTT_BASE_OFFSET);
1345 MLX4_PUT(inbox, param->cmpt_base, INIT_HCA_CMPT_BASE_OFFSET);
1347 /* UAR attributes */
1349 MLX4_PUT(inbox, param->uar_page_sz, INIT_HCA_UAR_PAGE_SZ_OFFSET);
1350 MLX4_PUT(inbox, param->log_uar_sz, INIT_HCA_LOG_UAR_SZ_OFFSET);
1352 err = mlx4_cmd(dev, mailbox->dma, 0, 0, MLX4_CMD_INIT_HCA, 10000,
1356 mlx4_err(dev, "INIT_HCA returns %d\n", err);
1358 mlx4_free_cmd_mailbox(dev, mailbox);
1362 int mlx4_QUERY_HCA(struct mlx4_dev *dev,
1363 struct mlx4_init_hca_param *param)
1365 struct mlx4_cmd_mailbox *mailbox;
1371 #define QUERY_HCA_GLOBAL_CAPS_OFFSET 0x04
1373 mailbox = mlx4_alloc_cmd_mailbox(dev);
1374 if (IS_ERR(mailbox))
1375 return PTR_ERR(mailbox);
1376 outbox = mailbox->buf;
1378 err = mlx4_cmd_box(dev, 0, mailbox->dma, 0, 0,
1380 MLX4_CMD_TIME_CLASS_B,
1381 !mlx4_is_slave(dev));
1385 MLX4_GET(param->global_caps, outbox, QUERY_HCA_GLOBAL_CAPS_OFFSET);
1387 /* QPC/EEC/CQC/EQC/RDMARC attributes */
1389 MLX4_GET(param->qpc_base, outbox, INIT_HCA_QPC_BASE_OFFSET);
1390 MLX4_GET(param->log_num_qps, outbox, INIT_HCA_LOG_QP_OFFSET);
1391 MLX4_GET(param->srqc_base, outbox, INIT_HCA_SRQC_BASE_OFFSET);
1392 MLX4_GET(param->log_num_srqs, outbox, INIT_HCA_LOG_SRQ_OFFSET);
1393 MLX4_GET(param->cqc_base, outbox, INIT_HCA_CQC_BASE_OFFSET);
1394 MLX4_GET(param->log_num_cqs, outbox, INIT_HCA_LOG_CQ_OFFSET);
1395 MLX4_GET(param->altc_base, outbox, INIT_HCA_ALTC_BASE_OFFSET);
1396 MLX4_GET(param->auxc_base, outbox, INIT_HCA_AUXC_BASE_OFFSET);
1397 MLX4_GET(param->eqc_base, outbox, INIT_HCA_EQC_BASE_OFFSET);
1398 MLX4_GET(param->log_num_eqs, outbox, INIT_HCA_LOG_EQ_OFFSET);
1399 MLX4_GET(param->rdmarc_base, outbox, INIT_HCA_RDMARC_BASE_OFFSET);
1400 MLX4_GET(param->log_rd_per_qp, outbox, INIT_HCA_LOG_RD_OFFSET);
1402 MLX4_GET(dword_field, outbox, INIT_HCA_FLAGS_OFFSET);
1403 if (dword_field & (1 << INIT_HCA_DEVICE_MANAGED_FLOW_STEERING_EN)) {
1404 param->steering_mode = MLX4_STEERING_MODE_DEVICE_MANAGED;
1406 MLX4_GET(byte_field, outbox, INIT_HCA_UC_STEERING_OFFSET);
1407 if (byte_field & 0x8)
1408 param->steering_mode = MLX4_STEERING_MODE_B0;
1410 param->steering_mode = MLX4_STEERING_MODE_A0;
1412 /* steering attributes */
1413 if (param->steering_mode == MLX4_STEERING_MODE_DEVICE_MANAGED) {
1414 MLX4_GET(param->mc_base, outbox, INIT_HCA_FS_BASE_OFFSET);
1415 MLX4_GET(param->log_mc_entry_sz, outbox,
1416 INIT_HCA_FS_LOG_ENTRY_SZ_OFFSET);
1417 MLX4_GET(param->log_mc_table_sz, outbox,
1418 INIT_HCA_FS_LOG_TABLE_SZ_OFFSET);
1420 MLX4_GET(param->mc_base, outbox, INIT_HCA_MC_BASE_OFFSET);
1421 MLX4_GET(param->log_mc_entry_sz, outbox,
1422 INIT_HCA_LOG_MC_ENTRY_SZ_OFFSET);
1423 MLX4_GET(param->log_mc_hash_sz, outbox,
1424 INIT_HCA_LOG_MC_HASH_SZ_OFFSET);
1425 MLX4_GET(param->log_mc_table_sz, outbox,
1426 INIT_HCA_LOG_MC_TABLE_SZ_OFFSET);
1429 /* CX3 is capable of extending CQEs/EQEs from 32 to 64 bytes */
1430 MLX4_GET(byte_field, outbox, INIT_HCA_EQE_CQE_OFFSETS);
1431 if (byte_field & 0x20) /* 64-bytes eqe enabled */
1432 param->dev_cap_enabled |= MLX4_DEV_CAP_64B_EQE_ENABLED;
1433 if (byte_field & 0x40) /* 64-bytes cqe enabled */
1434 param->dev_cap_enabled |= MLX4_DEV_CAP_64B_CQE_ENABLED;
1436 /* TPT attributes */
1438 MLX4_GET(param->dmpt_base, outbox, INIT_HCA_DMPT_BASE_OFFSET);
1439 MLX4_GET(param->mw_enabled, outbox, INIT_HCA_TPT_MW_OFFSET);
1440 MLX4_GET(param->log_mpt_sz, outbox, INIT_HCA_LOG_MPT_SZ_OFFSET);
1441 MLX4_GET(param->mtt_base, outbox, INIT_HCA_MTT_BASE_OFFSET);
1442 MLX4_GET(param->cmpt_base, outbox, INIT_HCA_CMPT_BASE_OFFSET);
1444 /* UAR attributes */
1446 MLX4_GET(param->uar_page_sz, outbox, INIT_HCA_UAR_PAGE_SZ_OFFSET);
1447 MLX4_GET(param->log_uar_sz, outbox, INIT_HCA_LOG_UAR_SZ_OFFSET);
1450 mlx4_free_cmd_mailbox(dev, mailbox);
1455 /* for IB-type ports only in SRIOV mode. Checks that both proxy QP0
1456 * and real QP0 are active, so that the paravirtualized QP0 is ready
1458 static int check_qp0_state(struct mlx4_dev *dev, int function, int port)
1460 struct mlx4_priv *priv = mlx4_priv(dev);
1461 /* irrelevant if not infiniband */
1462 if (priv->mfunc.master.qp0_state[port].proxy_qp0_active &&
1463 priv->mfunc.master.qp0_state[port].qp0_active)
1468 int mlx4_INIT_PORT_wrapper(struct mlx4_dev *dev, int slave,
1469 struct mlx4_vhcr *vhcr,
1470 struct mlx4_cmd_mailbox *inbox,
1471 struct mlx4_cmd_mailbox *outbox,
1472 struct mlx4_cmd_info *cmd)
1474 struct mlx4_priv *priv = mlx4_priv(dev);
1475 int port = vhcr->in_modifier;
1478 if (priv->mfunc.master.slave_state[slave].init_port_mask & (1 << port))
1481 if (dev->caps.port_mask[port] != MLX4_PORT_TYPE_IB) {
1482 /* Enable port only if it was previously disabled */
1483 if (!priv->mfunc.master.init_port_ref[port]) {
1484 err = mlx4_cmd(dev, 0, port, 0, MLX4_CMD_INIT_PORT,
1485 MLX4_CMD_TIME_CLASS_A, MLX4_CMD_NATIVE);
1489 priv->mfunc.master.slave_state[slave].init_port_mask |= (1 << port);
1491 if (slave == mlx4_master_func_num(dev)) {
1492 if (check_qp0_state(dev, slave, port) &&
1493 !priv->mfunc.master.qp0_state[port].port_active) {
1494 err = mlx4_cmd(dev, 0, port, 0, MLX4_CMD_INIT_PORT,
1495 MLX4_CMD_TIME_CLASS_A, MLX4_CMD_NATIVE);
1498 priv->mfunc.master.qp0_state[port].port_active = 1;
1499 priv->mfunc.master.slave_state[slave].init_port_mask |= (1 << port);
1502 priv->mfunc.master.slave_state[slave].init_port_mask |= (1 << port);
1504 ++priv->mfunc.master.init_port_ref[port];
1508 int mlx4_INIT_PORT(struct mlx4_dev *dev, int port)
1510 struct mlx4_cmd_mailbox *mailbox;
1516 if (dev->flags & MLX4_FLAG_OLD_PORT_CMDS) {
1517 #define INIT_PORT_IN_SIZE 256
1518 #define INIT_PORT_FLAGS_OFFSET 0x00
1519 #define INIT_PORT_FLAG_SIG (1 << 18)
1520 #define INIT_PORT_FLAG_NG (1 << 17)
1521 #define INIT_PORT_FLAG_G0 (1 << 16)
1522 #define INIT_PORT_VL_SHIFT 4
1523 #define INIT_PORT_PORT_WIDTH_SHIFT 8
1524 #define INIT_PORT_MTU_OFFSET 0x04
1525 #define INIT_PORT_MAX_GID_OFFSET 0x06
1526 #define INIT_PORT_MAX_PKEY_OFFSET 0x0a
1527 #define INIT_PORT_GUID0_OFFSET 0x10
1528 #define INIT_PORT_NODE_GUID_OFFSET 0x18
1529 #define INIT_PORT_SI_GUID_OFFSET 0x20
1531 mailbox = mlx4_alloc_cmd_mailbox(dev);
1532 if (IS_ERR(mailbox))
1533 return PTR_ERR(mailbox);
1534 inbox = mailbox->buf;
1536 memset(inbox, 0, INIT_PORT_IN_SIZE);
1539 flags |= (dev->caps.vl_cap[port] & 0xf) << INIT_PORT_VL_SHIFT;
1540 flags |= (dev->caps.port_width_cap[port] & 0xf) << INIT_PORT_PORT_WIDTH_SHIFT;
1541 MLX4_PUT(inbox, flags, INIT_PORT_FLAGS_OFFSET);
1543 field = 128 << dev->caps.ib_mtu_cap[port];
1544 MLX4_PUT(inbox, field, INIT_PORT_MTU_OFFSET);
1545 field = dev->caps.gid_table_len[port];
1546 MLX4_PUT(inbox, field, INIT_PORT_MAX_GID_OFFSET);
1547 field = dev->caps.pkey_table_len[port];
1548 MLX4_PUT(inbox, field, INIT_PORT_MAX_PKEY_OFFSET);
1550 err = mlx4_cmd(dev, mailbox->dma, port, 0, MLX4_CMD_INIT_PORT,
1551 MLX4_CMD_TIME_CLASS_A, MLX4_CMD_NATIVE);
1553 mlx4_free_cmd_mailbox(dev, mailbox);
1555 err = mlx4_cmd(dev, 0, port, 0, MLX4_CMD_INIT_PORT,
1556 MLX4_CMD_TIME_CLASS_A, MLX4_CMD_WRAPPED);
1560 EXPORT_SYMBOL_GPL(mlx4_INIT_PORT);
1562 int mlx4_CLOSE_PORT_wrapper(struct mlx4_dev *dev, int slave,
1563 struct mlx4_vhcr *vhcr,
1564 struct mlx4_cmd_mailbox *inbox,
1565 struct mlx4_cmd_mailbox *outbox,
1566 struct mlx4_cmd_info *cmd)
1568 struct mlx4_priv *priv = mlx4_priv(dev);
1569 int port = vhcr->in_modifier;
1572 if (!(priv->mfunc.master.slave_state[slave].init_port_mask &
1576 if (dev->caps.port_mask[port] != MLX4_PORT_TYPE_IB) {
1577 if (priv->mfunc.master.init_port_ref[port] == 1) {
1578 err = mlx4_cmd(dev, 0, port, 0, MLX4_CMD_CLOSE_PORT,
1579 1000, MLX4_CMD_NATIVE);
1583 priv->mfunc.master.slave_state[slave].init_port_mask &= ~(1 << port);
1585 /* infiniband port */
1586 if (slave == mlx4_master_func_num(dev)) {
1587 if (!priv->mfunc.master.qp0_state[port].qp0_active &&
1588 priv->mfunc.master.qp0_state[port].port_active) {
1589 err = mlx4_cmd(dev, 0, port, 0, MLX4_CMD_CLOSE_PORT,
1590 1000, MLX4_CMD_NATIVE);
1593 priv->mfunc.master.slave_state[slave].init_port_mask &= ~(1 << port);
1594 priv->mfunc.master.qp0_state[port].port_active = 0;
1597 priv->mfunc.master.slave_state[slave].init_port_mask &= ~(1 << port);
1599 --priv->mfunc.master.init_port_ref[port];
1603 int mlx4_CLOSE_PORT(struct mlx4_dev *dev, int port)
1605 return mlx4_cmd(dev, 0, port, 0, MLX4_CMD_CLOSE_PORT, 1000,
1608 EXPORT_SYMBOL_GPL(mlx4_CLOSE_PORT);
1610 int mlx4_CLOSE_HCA(struct mlx4_dev *dev, int panic)
1612 return mlx4_cmd(dev, 0, 0, panic, MLX4_CMD_CLOSE_HCA, 1000,
1616 int mlx4_SET_ICM_SIZE(struct mlx4_dev *dev, u64 icm_size, u64 *aux_pages)
1618 int ret = mlx4_cmd_imm(dev, icm_size, aux_pages, 0, 0,
1619 MLX4_CMD_SET_ICM_SIZE,
1620 MLX4_CMD_TIME_CLASS_A, MLX4_CMD_NATIVE);
1625 * Round up number of system pages needed in case
1626 * MLX4_ICM_PAGE_SIZE < PAGE_SIZE.
1628 *aux_pages = ALIGN(*aux_pages, PAGE_SIZE / MLX4_ICM_PAGE_SIZE) >>
1629 (PAGE_SHIFT - MLX4_ICM_PAGE_SHIFT);
1634 int mlx4_NOP(struct mlx4_dev *dev)
1636 /* Input modifier of 0x1f means "finish as soon as possible." */
1637 return mlx4_cmd(dev, 0, 0x1f, 0, MLX4_CMD_NOP, 100, MLX4_CMD_NATIVE);
1640 #define MLX4_WOL_SETUP_MODE (5 << 28)
1641 int mlx4_wol_read(struct mlx4_dev *dev, u64 *config, int port)
1643 u32 in_mod = MLX4_WOL_SETUP_MODE | port << 8;
1645 return mlx4_cmd_imm(dev, 0, config, in_mod, 0x3,
1646 MLX4_CMD_MOD_STAT_CFG, MLX4_CMD_TIME_CLASS_A,
1649 EXPORT_SYMBOL_GPL(mlx4_wol_read);
1651 int mlx4_wol_write(struct mlx4_dev *dev, u64 config, int port)
1653 u32 in_mod = MLX4_WOL_SETUP_MODE | port << 8;
1655 return mlx4_cmd(dev, config, in_mod, 0x1, MLX4_CMD_MOD_STAT_CFG,
1656 MLX4_CMD_TIME_CLASS_A, MLX4_CMD_NATIVE);
1658 EXPORT_SYMBOL_GPL(mlx4_wol_write);