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",
134 [5] = "Time stamping support",
135 [6] = "VST (control vlan insertion/stripping) support",
136 [7] = "FSM (MAC anti-spoofing) support",
137 [8] = "Dynamic QP updates support"
141 for (i = 0; i < ARRAY_SIZE(fname); ++i)
142 if (fname[i] && (flags & (1LL << i)))
143 mlx4_dbg(dev, " %s\n", fname[i]);
146 int mlx4_MOD_STAT_CFG(struct mlx4_dev *dev, struct mlx4_mod_stat_cfg *cfg)
148 struct mlx4_cmd_mailbox *mailbox;
152 #define MOD_STAT_CFG_IN_SIZE 0x100
154 #define MOD_STAT_CFG_PG_SZ_M_OFFSET 0x002
155 #define MOD_STAT_CFG_PG_SZ_OFFSET 0x003
157 mailbox = mlx4_alloc_cmd_mailbox(dev);
159 return PTR_ERR(mailbox);
160 inbox = mailbox->buf;
162 MLX4_PUT(inbox, cfg->log_pg_sz, MOD_STAT_CFG_PG_SZ_OFFSET);
163 MLX4_PUT(inbox, cfg->log_pg_sz_m, MOD_STAT_CFG_PG_SZ_M_OFFSET);
165 err = mlx4_cmd(dev, mailbox->dma, 0, 0, MLX4_CMD_MOD_STAT_CFG,
166 MLX4_CMD_TIME_CLASS_A, MLX4_CMD_NATIVE);
168 mlx4_free_cmd_mailbox(dev, mailbox);
172 int mlx4_QUERY_FUNC_CAP_wrapper(struct mlx4_dev *dev, int slave,
173 struct mlx4_vhcr *vhcr,
174 struct mlx4_cmd_mailbox *inbox,
175 struct mlx4_cmd_mailbox *outbox,
176 struct mlx4_cmd_info *cmd)
178 struct mlx4_priv *priv = mlx4_priv(dev);
183 #define QUERY_FUNC_CAP_FLAGS_OFFSET 0x0
184 #define QUERY_FUNC_CAP_NUM_PORTS_OFFSET 0x1
185 #define QUERY_FUNC_CAP_PF_BHVR_OFFSET 0x4
186 #define QUERY_FUNC_CAP_FMR_OFFSET 0x8
187 #define QUERY_FUNC_CAP_QP_QUOTA_OFFSET_DEP 0x10
188 #define QUERY_FUNC_CAP_CQ_QUOTA_OFFSET_DEP 0x14
189 #define QUERY_FUNC_CAP_SRQ_QUOTA_OFFSET_DEP 0x18
190 #define QUERY_FUNC_CAP_MPT_QUOTA_OFFSET_DEP 0x20
191 #define QUERY_FUNC_CAP_MTT_QUOTA_OFFSET_DEP 0x24
192 #define QUERY_FUNC_CAP_MCG_QUOTA_OFFSET_DEP 0x28
193 #define QUERY_FUNC_CAP_MAX_EQ_OFFSET 0x2c
194 #define QUERY_FUNC_CAP_RESERVED_EQ_OFFSET 0x30
196 #define QUERY_FUNC_CAP_QP_QUOTA_OFFSET 0x50
197 #define QUERY_FUNC_CAP_CQ_QUOTA_OFFSET 0x54
198 #define QUERY_FUNC_CAP_SRQ_QUOTA_OFFSET 0x58
199 #define QUERY_FUNC_CAP_MPT_QUOTA_OFFSET 0x60
200 #define QUERY_FUNC_CAP_MTT_QUOTA_OFFSET 0x64
201 #define QUERY_FUNC_CAP_MCG_QUOTA_OFFSET 0x68
203 #define QUERY_FUNC_CAP_FMR_FLAG 0x80
204 #define QUERY_FUNC_CAP_FLAG_RDMA 0x40
205 #define QUERY_FUNC_CAP_FLAG_ETH 0x80
206 #define QUERY_FUNC_CAP_FLAG_QUOTAS 0x10
208 /* when opcode modifier = 1 */
209 #define QUERY_FUNC_CAP_PHYS_PORT_OFFSET 0x3
210 #define QUERY_FUNC_CAP_FLAGS0_OFFSET 0x8
211 #define QUERY_FUNC_CAP_FLAGS1_OFFSET 0xc
213 #define QUERY_FUNC_CAP_QP0_TUNNEL 0x10
214 #define QUERY_FUNC_CAP_QP0_PROXY 0x14
215 #define QUERY_FUNC_CAP_QP1_TUNNEL 0x18
216 #define QUERY_FUNC_CAP_QP1_PROXY 0x1c
217 #define QUERY_FUNC_CAP_PHYS_PORT_ID 0x28
219 #define QUERY_FUNC_CAP_FLAGS1_FORCE_MAC 0x40
220 #define QUERY_FUNC_CAP_FLAGS1_FORCE_VLAN 0x80
221 #define QUERY_FUNC_CAP_FLAGS1_NIC_INFO 0x10
223 #define QUERY_FUNC_CAP_FLAGS0_FORCE_PHY_WQE_GID 0x80
225 if (vhcr->op_modifier == 1) {
226 /* Set nic_info bit to mark new fields support */
227 field = QUERY_FUNC_CAP_FLAGS1_NIC_INFO;
228 MLX4_PUT(outbox->buf, field, QUERY_FUNC_CAP_FLAGS1_OFFSET);
230 field = vhcr->in_modifier; /* phys-port = logical-port */
231 MLX4_PUT(outbox->buf, field, QUERY_FUNC_CAP_PHYS_PORT_OFFSET);
233 /* size is now the QP number */
234 size = dev->phys_caps.base_tunnel_sqpn + 8 * slave + field - 1;
235 MLX4_PUT(outbox->buf, size, QUERY_FUNC_CAP_QP0_TUNNEL);
238 MLX4_PUT(outbox->buf, size, QUERY_FUNC_CAP_QP1_TUNNEL);
240 size = dev->phys_caps.base_proxy_sqpn + 8 * slave + field - 1;
241 MLX4_PUT(outbox->buf, size, QUERY_FUNC_CAP_QP0_PROXY);
244 MLX4_PUT(outbox->buf, size, QUERY_FUNC_CAP_QP1_PROXY);
246 MLX4_PUT(outbox->buf, dev->caps.phys_port_id[vhcr->in_modifier],
247 QUERY_FUNC_CAP_PHYS_PORT_ID);
249 } else if (vhcr->op_modifier == 0) {
250 /* enable rdma and ethernet interfaces, and new quota locations */
251 field = (QUERY_FUNC_CAP_FLAG_ETH | QUERY_FUNC_CAP_FLAG_RDMA |
252 QUERY_FUNC_CAP_FLAG_QUOTAS);
253 MLX4_PUT(outbox->buf, field, QUERY_FUNC_CAP_FLAGS_OFFSET);
255 field = dev->caps.num_ports;
256 MLX4_PUT(outbox->buf, field, QUERY_FUNC_CAP_NUM_PORTS_OFFSET);
258 size = dev->caps.function_caps; /* set PF behaviours */
259 MLX4_PUT(outbox->buf, size, QUERY_FUNC_CAP_PF_BHVR_OFFSET);
261 field = 0; /* protected FMR support not available as yet */
262 MLX4_PUT(outbox->buf, field, QUERY_FUNC_CAP_FMR_OFFSET);
264 size = priv->mfunc.master.res_tracker.res_alloc[RES_QP].quota[slave];
265 MLX4_PUT(outbox->buf, size, QUERY_FUNC_CAP_QP_QUOTA_OFFSET);
266 size = dev->caps.num_qps;
267 MLX4_PUT(outbox->buf, size, QUERY_FUNC_CAP_QP_QUOTA_OFFSET_DEP);
269 size = priv->mfunc.master.res_tracker.res_alloc[RES_SRQ].quota[slave];
270 MLX4_PUT(outbox->buf, size, QUERY_FUNC_CAP_SRQ_QUOTA_OFFSET);
271 size = dev->caps.num_srqs;
272 MLX4_PUT(outbox->buf, size, QUERY_FUNC_CAP_SRQ_QUOTA_OFFSET_DEP);
274 size = priv->mfunc.master.res_tracker.res_alloc[RES_CQ].quota[slave];
275 MLX4_PUT(outbox->buf, size, QUERY_FUNC_CAP_CQ_QUOTA_OFFSET);
276 size = dev->caps.num_cqs;
277 MLX4_PUT(outbox->buf, size, QUERY_FUNC_CAP_CQ_QUOTA_OFFSET_DEP);
279 size = dev->caps.num_eqs;
280 MLX4_PUT(outbox->buf, size, QUERY_FUNC_CAP_MAX_EQ_OFFSET);
282 size = dev->caps.reserved_eqs;
283 MLX4_PUT(outbox->buf, size, QUERY_FUNC_CAP_RESERVED_EQ_OFFSET);
285 size = priv->mfunc.master.res_tracker.res_alloc[RES_MPT].quota[slave];
286 MLX4_PUT(outbox->buf, size, QUERY_FUNC_CAP_MPT_QUOTA_OFFSET);
287 size = dev->caps.num_mpts;
288 MLX4_PUT(outbox->buf, size, QUERY_FUNC_CAP_MPT_QUOTA_OFFSET_DEP);
290 size = priv->mfunc.master.res_tracker.res_alloc[RES_MTT].quota[slave];
291 MLX4_PUT(outbox->buf, size, QUERY_FUNC_CAP_MTT_QUOTA_OFFSET);
292 size = dev->caps.num_mtts;
293 MLX4_PUT(outbox->buf, size, QUERY_FUNC_CAP_MTT_QUOTA_OFFSET_DEP);
295 size = dev->caps.num_mgms + dev->caps.num_amgms;
296 MLX4_PUT(outbox->buf, size, QUERY_FUNC_CAP_MCG_QUOTA_OFFSET);
297 MLX4_PUT(outbox->buf, size, QUERY_FUNC_CAP_MCG_QUOTA_OFFSET_DEP);
305 int mlx4_QUERY_FUNC_CAP(struct mlx4_dev *dev, u32 gen_or_port,
306 struct mlx4_func_cap *func_cap)
308 struct mlx4_cmd_mailbox *mailbox;
310 u8 field, op_modifier;
312 int err = 0, quotas = 0;
314 op_modifier = !!gen_or_port; /* 0 = general, 1 = logical port */
316 mailbox = mlx4_alloc_cmd_mailbox(dev);
318 return PTR_ERR(mailbox);
320 err = mlx4_cmd_box(dev, 0, mailbox->dma, gen_or_port, op_modifier,
321 MLX4_CMD_QUERY_FUNC_CAP,
322 MLX4_CMD_TIME_CLASS_A, MLX4_CMD_WRAPPED);
326 outbox = mailbox->buf;
329 MLX4_GET(field, outbox, QUERY_FUNC_CAP_FLAGS_OFFSET);
330 if (!(field & (QUERY_FUNC_CAP_FLAG_ETH | QUERY_FUNC_CAP_FLAG_RDMA))) {
331 mlx4_err(dev, "The host supports neither eth nor rdma interfaces\n");
332 err = -EPROTONOSUPPORT;
335 func_cap->flags = field;
336 quotas = !!(func_cap->flags & QUERY_FUNC_CAP_FLAG_QUOTAS);
338 MLX4_GET(field, outbox, QUERY_FUNC_CAP_NUM_PORTS_OFFSET);
339 func_cap->num_ports = field;
341 MLX4_GET(size, outbox, QUERY_FUNC_CAP_PF_BHVR_OFFSET);
342 func_cap->pf_context_behaviour = size;
345 MLX4_GET(size, outbox, QUERY_FUNC_CAP_QP_QUOTA_OFFSET);
346 func_cap->qp_quota = size & 0xFFFFFF;
348 MLX4_GET(size, outbox, QUERY_FUNC_CAP_SRQ_QUOTA_OFFSET);
349 func_cap->srq_quota = size & 0xFFFFFF;
351 MLX4_GET(size, outbox, QUERY_FUNC_CAP_CQ_QUOTA_OFFSET);
352 func_cap->cq_quota = size & 0xFFFFFF;
354 MLX4_GET(size, outbox, QUERY_FUNC_CAP_MPT_QUOTA_OFFSET);
355 func_cap->mpt_quota = size & 0xFFFFFF;
357 MLX4_GET(size, outbox, QUERY_FUNC_CAP_MTT_QUOTA_OFFSET);
358 func_cap->mtt_quota = size & 0xFFFFFF;
360 MLX4_GET(size, outbox, QUERY_FUNC_CAP_MCG_QUOTA_OFFSET);
361 func_cap->mcg_quota = size & 0xFFFFFF;
364 MLX4_GET(size, outbox, QUERY_FUNC_CAP_QP_QUOTA_OFFSET_DEP);
365 func_cap->qp_quota = size & 0xFFFFFF;
367 MLX4_GET(size, outbox, QUERY_FUNC_CAP_SRQ_QUOTA_OFFSET_DEP);
368 func_cap->srq_quota = size & 0xFFFFFF;
370 MLX4_GET(size, outbox, QUERY_FUNC_CAP_CQ_QUOTA_OFFSET_DEP);
371 func_cap->cq_quota = size & 0xFFFFFF;
373 MLX4_GET(size, outbox, QUERY_FUNC_CAP_MPT_QUOTA_OFFSET_DEP);
374 func_cap->mpt_quota = size & 0xFFFFFF;
376 MLX4_GET(size, outbox, QUERY_FUNC_CAP_MTT_QUOTA_OFFSET_DEP);
377 func_cap->mtt_quota = size & 0xFFFFFF;
379 MLX4_GET(size, outbox, QUERY_FUNC_CAP_MCG_QUOTA_OFFSET_DEP);
380 func_cap->mcg_quota = size & 0xFFFFFF;
382 MLX4_GET(size, outbox, QUERY_FUNC_CAP_MAX_EQ_OFFSET);
383 func_cap->max_eq = size & 0xFFFFFF;
385 MLX4_GET(size, outbox, QUERY_FUNC_CAP_RESERVED_EQ_OFFSET);
386 func_cap->reserved_eq = size & 0xFFFFFF;
391 /* logical port query */
392 if (gen_or_port > dev->caps.num_ports) {
397 MLX4_GET(func_cap->flags1, outbox, QUERY_FUNC_CAP_FLAGS1_OFFSET);
398 if (dev->caps.port_type[gen_or_port] == MLX4_PORT_TYPE_ETH) {
399 if (func_cap->flags1 & QUERY_FUNC_CAP_FLAGS1_OFFSET) {
400 mlx4_err(dev, "VLAN is enforced on this port\n");
401 err = -EPROTONOSUPPORT;
405 if (func_cap->flags1 & QUERY_FUNC_CAP_FLAGS1_FORCE_MAC) {
406 mlx4_err(dev, "Force mac is enabled on this port\n");
407 err = -EPROTONOSUPPORT;
410 } else if (dev->caps.port_type[gen_or_port] == MLX4_PORT_TYPE_IB) {
411 MLX4_GET(field, outbox, QUERY_FUNC_CAP_FLAGS0_OFFSET);
412 if (field & QUERY_FUNC_CAP_FLAGS0_FORCE_PHY_WQE_GID) {
413 mlx4_err(dev, "phy_wqe_gid is "
414 "enforced on this ib port\n");
415 err = -EPROTONOSUPPORT;
420 MLX4_GET(field, outbox, QUERY_FUNC_CAP_PHYS_PORT_OFFSET);
421 func_cap->physical_port = field;
422 if (func_cap->physical_port != gen_or_port) {
427 MLX4_GET(size, outbox, QUERY_FUNC_CAP_QP0_TUNNEL);
428 func_cap->qp0_tunnel_qpn = size & 0xFFFFFF;
430 MLX4_GET(size, outbox, QUERY_FUNC_CAP_QP0_PROXY);
431 func_cap->qp0_proxy_qpn = size & 0xFFFFFF;
433 MLX4_GET(size, outbox, QUERY_FUNC_CAP_QP1_TUNNEL);
434 func_cap->qp1_tunnel_qpn = size & 0xFFFFFF;
436 MLX4_GET(size, outbox, QUERY_FUNC_CAP_QP1_PROXY);
437 func_cap->qp1_proxy_qpn = size & 0xFFFFFF;
439 if (func_cap->flags1 & QUERY_FUNC_CAP_FLAGS1_NIC_INFO)
440 MLX4_GET(func_cap->phys_port_id, outbox,
441 QUERY_FUNC_CAP_PHYS_PORT_ID);
443 /* All other resources are allocated by the master, but we still report
444 * 'num' and 'reserved' capabilities as follows:
445 * - num remains the maximum resource index
446 * - 'num - reserved' is the total available objects of a resource, but
447 * resource indices may be less than 'reserved'
448 * TODO: set per-resource quotas */
451 mlx4_free_cmd_mailbox(dev, mailbox);
456 int mlx4_QUERY_DEV_CAP(struct mlx4_dev *dev, struct mlx4_dev_cap *dev_cap)
458 struct mlx4_cmd_mailbox *mailbox;
461 u32 field32, flags, ext_flags;
467 #define QUERY_DEV_CAP_OUT_SIZE 0x100
468 #define QUERY_DEV_CAP_MAX_SRQ_SZ_OFFSET 0x10
469 #define QUERY_DEV_CAP_MAX_QP_SZ_OFFSET 0x11
470 #define QUERY_DEV_CAP_RSVD_QP_OFFSET 0x12
471 #define QUERY_DEV_CAP_MAX_QP_OFFSET 0x13
472 #define QUERY_DEV_CAP_RSVD_SRQ_OFFSET 0x14
473 #define QUERY_DEV_CAP_MAX_SRQ_OFFSET 0x15
474 #define QUERY_DEV_CAP_RSVD_EEC_OFFSET 0x16
475 #define QUERY_DEV_CAP_MAX_EEC_OFFSET 0x17
476 #define QUERY_DEV_CAP_MAX_CQ_SZ_OFFSET 0x19
477 #define QUERY_DEV_CAP_RSVD_CQ_OFFSET 0x1a
478 #define QUERY_DEV_CAP_MAX_CQ_OFFSET 0x1b
479 #define QUERY_DEV_CAP_MAX_MPT_OFFSET 0x1d
480 #define QUERY_DEV_CAP_RSVD_EQ_OFFSET 0x1e
481 #define QUERY_DEV_CAP_MAX_EQ_OFFSET 0x1f
482 #define QUERY_DEV_CAP_RSVD_MTT_OFFSET 0x20
483 #define QUERY_DEV_CAP_MAX_MRW_SZ_OFFSET 0x21
484 #define QUERY_DEV_CAP_RSVD_MRW_OFFSET 0x22
485 #define QUERY_DEV_CAP_MAX_MTT_SEG_OFFSET 0x23
486 #define QUERY_DEV_CAP_MAX_AV_OFFSET 0x27
487 #define QUERY_DEV_CAP_MAX_REQ_QP_OFFSET 0x29
488 #define QUERY_DEV_CAP_MAX_RES_QP_OFFSET 0x2b
489 #define QUERY_DEV_CAP_MAX_GSO_OFFSET 0x2d
490 #define QUERY_DEV_CAP_RSS_OFFSET 0x2e
491 #define QUERY_DEV_CAP_MAX_RDMA_OFFSET 0x2f
492 #define QUERY_DEV_CAP_RSZ_SRQ_OFFSET 0x33
493 #define QUERY_DEV_CAP_ACK_DELAY_OFFSET 0x35
494 #define QUERY_DEV_CAP_MTU_WIDTH_OFFSET 0x36
495 #define QUERY_DEV_CAP_VL_PORT_OFFSET 0x37
496 #define QUERY_DEV_CAP_MAX_MSG_SZ_OFFSET 0x38
497 #define QUERY_DEV_CAP_MAX_GID_OFFSET 0x3b
498 #define QUERY_DEV_CAP_RATE_SUPPORT_OFFSET 0x3c
499 #define QUERY_DEV_CAP_CQ_TS_SUPPORT_OFFSET 0x3e
500 #define QUERY_DEV_CAP_MAX_PKEY_OFFSET 0x3f
501 #define QUERY_DEV_CAP_EXT_FLAGS_OFFSET 0x40
502 #define QUERY_DEV_CAP_FLAGS_OFFSET 0x44
503 #define QUERY_DEV_CAP_RSVD_UAR_OFFSET 0x48
504 #define QUERY_DEV_CAP_UAR_SZ_OFFSET 0x49
505 #define QUERY_DEV_CAP_PAGE_SZ_OFFSET 0x4b
506 #define QUERY_DEV_CAP_BF_OFFSET 0x4c
507 #define QUERY_DEV_CAP_LOG_BF_REG_SZ_OFFSET 0x4d
508 #define QUERY_DEV_CAP_LOG_MAX_BF_REGS_PER_PAGE_OFFSET 0x4e
509 #define QUERY_DEV_CAP_LOG_MAX_BF_PAGES_OFFSET 0x4f
510 #define QUERY_DEV_CAP_MAX_SG_SQ_OFFSET 0x51
511 #define QUERY_DEV_CAP_MAX_DESC_SZ_SQ_OFFSET 0x52
512 #define QUERY_DEV_CAP_MAX_SG_RQ_OFFSET 0x55
513 #define QUERY_DEV_CAP_MAX_DESC_SZ_RQ_OFFSET 0x56
514 #define QUERY_DEV_CAP_MAX_QP_MCG_OFFSET 0x61
515 #define QUERY_DEV_CAP_RSVD_MCG_OFFSET 0x62
516 #define QUERY_DEV_CAP_MAX_MCG_OFFSET 0x63
517 #define QUERY_DEV_CAP_RSVD_PD_OFFSET 0x64
518 #define QUERY_DEV_CAP_MAX_PD_OFFSET 0x65
519 #define QUERY_DEV_CAP_RSVD_XRC_OFFSET 0x66
520 #define QUERY_DEV_CAP_MAX_XRC_OFFSET 0x67
521 #define QUERY_DEV_CAP_MAX_COUNTERS_OFFSET 0x68
522 #define QUERY_DEV_CAP_EXT_2_FLAGS_OFFSET 0x70
523 #define QUERY_DEV_CAP_FLOW_STEERING_RANGE_EN_OFFSET 0x76
524 #define QUERY_DEV_CAP_FLOW_STEERING_MAX_QP_OFFSET 0x77
525 #define QUERY_DEV_CAP_RDMARC_ENTRY_SZ_OFFSET 0x80
526 #define QUERY_DEV_CAP_QPC_ENTRY_SZ_OFFSET 0x82
527 #define QUERY_DEV_CAP_AUX_ENTRY_SZ_OFFSET 0x84
528 #define QUERY_DEV_CAP_ALTC_ENTRY_SZ_OFFSET 0x86
529 #define QUERY_DEV_CAP_EQC_ENTRY_SZ_OFFSET 0x88
530 #define QUERY_DEV_CAP_CQC_ENTRY_SZ_OFFSET 0x8a
531 #define QUERY_DEV_CAP_SRQ_ENTRY_SZ_OFFSET 0x8c
532 #define QUERY_DEV_CAP_C_MPT_ENTRY_SZ_OFFSET 0x8e
533 #define QUERY_DEV_CAP_MTT_ENTRY_SZ_OFFSET 0x90
534 #define QUERY_DEV_CAP_D_MPT_ENTRY_SZ_OFFSET 0x92
535 #define QUERY_DEV_CAP_BMME_FLAGS_OFFSET 0x94
536 #define QUERY_DEV_CAP_RSVD_LKEY_OFFSET 0x98
537 #define QUERY_DEV_CAP_MAX_ICM_SZ_OFFSET 0xa0
538 #define QUERY_DEV_CAP_FW_REASSIGN_MAC 0x9d
541 mailbox = mlx4_alloc_cmd_mailbox(dev);
543 return PTR_ERR(mailbox);
544 outbox = mailbox->buf;
546 err = mlx4_cmd_box(dev, 0, mailbox->dma, 0, 0, MLX4_CMD_QUERY_DEV_CAP,
547 MLX4_CMD_TIME_CLASS_A, MLX4_CMD_NATIVE);
551 MLX4_GET(field, outbox, QUERY_DEV_CAP_RSVD_QP_OFFSET);
552 dev_cap->reserved_qps = 1 << (field & 0xf);
553 MLX4_GET(field, outbox, QUERY_DEV_CAP_MAX_QP_OFFSET);
554 dev_cap->max_qps = 1 << (field & 0x1f);
555 MLX4_GET(field, outbox, QUERY_DEV_CAP_RSVD_SRQ_OFFSET);
556 dev_cap->reserved_srqs = 1 << (field >> 4);
557 MLX4_GET(field, outbox, QUERY_DEV_CAP_MAX_SRQ_OFFSET);
558 dev_cap->max_srqs = 1 << (field & 0x1f);
559 MLX4_GET(field, outbox, QUERY_DEV_CAP_MAX_CQ_SZ_OFFSET);
560 dev_cap->max_cq_sz = 1 << field;
561 MLX4_GET(field, outbox, QUERY_DEV_CAP_RSVD_CQ_OFFSET);
562 dev_cap->reserved_cqs = 1 << (field & 0xf);
563 MLX4_GET(field, outbox, QUERY_DEV_CAP_MAX_CQ_OFFSET);
564 dev_cap->max_cqs = 1 << (field & 0x1f);
565 MLX4_GET(field, outbox, QUERY_DEV_CAP_MAX_MPT_OFFSET);
566 dev_cap->max_mpts = 1 << (field & 0x3f);
567 MLX4_GET(field, outbox, QUERY_DEV_CAP_RSVD_EQ_OFFSET);
568 dev_cap->reserved_eqs = field & 0xf;
569 MLX4_GET(field, outbox, QUERY_DEV_CAP_MAX_EQ_OFFSET);
570 dev_cap->max_eqs = 1 << (field & 0xf);
571 MLX4_GET(field, outbox, QUERY_DEV_CAP_RSVD_MTT_OFFSET);
572 dev_cap->reserved_mtts = 1 << (field >> 4);
573 MLX4_GET(field, outbox, QUERY_DEV_CAP_MAX_MRW_SZ_OFFSET);
574 dev_cap->max_mrw_sz = 1 << field;
575 MLX4_GET(field, outbox, QUERY_DEV_CAP_RSVD_MRW_OFFSET);
576 dev_cap->reserved_mrws = 1 << (field & 0xf);
577 MLX4_GET(field, outbox, QUERY_DEV_CAP_MAX_MTT_SEG_OFFSET);
578 dev_cap->max_mtt_seg = 1 << (field & 0x3f);
579 MLX4_GET(field, outbox, QUERY_DEV_CAP_MAX_REQ_QP_OFFSET);
580 dev_cap->max_requester_per_qp = 1 << (field & 0x3f);
581 MLX4_GET(field, outbox, QUERY_DEV_CAP_MAX_RES_QP_OFFSET);
582 dev_cap->max_responder_per_qp = 1 << (field & 0x3f);
583 MLX4_GET(field, outbox, QUERY_DEV_CAP_MAX_GSO_OFFSET);
586 dev_cap->max_gso_sz = 0;
588 dev_cap->max_gso_sz = 1 << field;
590 MLX4_GET(field, outbox, QUERY_DEV_CAP_RSS_OFFSET);
592 dev_cap->flags2 |= MLX4_DEV_CAP_FLAG2_RSS_XOR;
594 dev_cap->flags2 |= MLX4_DEV_CAP_FLAG2_RSS_TOP;
597 dev_cap->flags2 |= MLX4_DEV_CAP_FLAG2_RSS;
598 dev_cap->max_rss_tbl_sz = 1 << field;
600 dev_cap->max_rss_tbl_sz = 0;
601 MLX4_GET(field, outbox, QUERY_DEV_CAP_MAX_RDMA_OFFSET);
602 dev_cap->max_rdma_global = 1 << (field & 0x3f);
603 MLX4_GET(field, outbox, QUERY_DEV_CAP_ACK_DELAY_OFFSET);
604 dev_cap->local_ca_ack_delay = field & 0x1f;
605 MLX4_GET(field, outbox, QUERY_DEV_CAP_VL_PORT_OFFSET);
606 dev_cap->num_ports = field & 0xf;
607 MLX4_GET(field, outbox, QUERY_DEV_CAP_MAX_MSG_SZ_OFFSET);
608 dev_cap->max_msg_sz = 1 << (field & 0x1f);
609 MLX4_GET(field, outbox, QUERY_DEV_CAP_FLOW_STEERING_RANGE_EN_OFFSET);
611 dev_cap->flags2 |= MLX4_DEV_CAP_FLAG2_FS_EN;
612 dev_cap->fs_log_max_ucast_qp_range_size = field & 0x1f;
613 MLX4_GET(field, outbox, QUERY_DEV_CAP_FLOW_STEERING_MAX_QP_OFFSET);
614 dev_cap->fs_max_num_qp_per_entry = field;
615 MLX4_GET(stat_rate, outbox, QUERY_DEV_CAP_RATE_SUPPORT_OFFSET);
616 dev_cap->stat_rate_support = stat_rate;
617 MLX4_GET(field, outbox, QUERY_DEV_CAP_CQ_TS_SUPPORT_OFFSET);
619 dev_cap->flags2 |= MLX4_DEV_CAP_FLAG2_TS;
620 MLX4_GET(ext_flags, outbox, QUERY_DEV_CAP_EXT_FLAGS_OFFSET);
621 MLX4_GET(flags, outbox, QUERY_DEV_CAP_FLAGS_OFFSET);
622 dev_cap->flags = flags | (u64)ext_flags << 32;
623 MLX4_GET(field, outbox, QUERY_DEV_CAP_RSVD_UAR_OFFSET);
624 dev_cap->reserved_uars = field >> 4;
625 MLX4_GET(field, outbox, QUERY_DEV_CAP_UAR_SZ_OFFSET);
626 dev_cap->uar_size = 1 << ((field & 0x3f) + 20);
627 MLX4_GET(field, outbox, QUERY_DEV_CAP_PAGE_SZ_OFFSET);
628 dev_cap->min_page_sz = 1 << field;
630 MLX4_GET(field, outbox, QUERY_DEV_CAP_BF_OFFSET);
632 MLX4_GET(field, outbox, QUERY_DEV_CAP_LOG_BF_REG_SZ_OFFSET);
633 dev_cap->bf_reg_size = 1 << (field & 0x1f);
634 MLX4_GET(field, outbox, QUERY_DEV_CAP_LOG_MAX_BF_REGS_PER_PAGE_OFFSET);
635 if ((1 << (field & 0x3f)) > (PAGE_SIZE / dev_cap->bf_reg_size))
637 dev_cap->bf_regs_per_page = 1 << (field & 0x3f);
638 mlx4_dbg(dev, "BlueFlame available (reg size %d, regs/page %d)\n",
639 dev_cap->bf_reg_size, dev_cap->bf_regs_per_page);
641 dev_cap->bf_reg_size = 0;
642 mlx4_dbg(dev, "BlueFlame not available\n");
645 MLX4_GET(field, outbox, QUERY_DEV_CAP_MAX_SG_SQ_OFFSET);
646 dev_cap->max_sq_sg = field;
647 MLX4_GET(size, outbox, QUERY_DEV_CAP_MAX_DESC_SZ_SQ_OFFSET);
648 dev_cap->max_sq_desc_sz = size;
650 MLX4_GET(field, outbox, QUERY_DEV_CAP_MAX_QP_MCG_OFFSET);
651 dev_cap->max_qp_per_mcg = 1 << field;
652 MLX4_GET(field, outbox, QUERY_DEV_CAP_RSVD_MCG_OFFSET);
653 dev_cap->reserved_mgms = field & 0xf;
654 MLX4_GET(field, outbox, QUERY_DEV_CAP_MAX_MCG_OFFSET);
655 dev_cap->max_mcgs = 1 << field;
656 MLX4_GET(field, outbox, QUERY_DEV_CAP_RSVD_PD_OFFSET);
657 dev_cap->reserved_pds = field >> 4;
658 MLX4_GET(field, outbox, QUERY_DEV_CAP_MAX_PD_OFFSET);
659 dev_cap->max_pds = 1 << (field & 0x3f);
660 MLX4_GET(field, outbox, QUERY_DEV_CAP_RSVD_XRC_OFFSET);
661 dev_cap->reserved_xrcds = field >> 4;
662 MLX4_GET(field, outbox, QUERY_DEV_CAP_MAX_XRC_OFFSET);
663 dev_cap->max_xrcds = 1 << (field & 0x1f);
665 MLX4_GET(size, outbox, QUERY_DEV_CAP_RDMARC_ENTRY_SZ_OFFSET);
666 dev_cap->rdmarc_entry_sz = size;
667 MLX4_GET(size, outbox, QUERY_DEV_CAP_QPC_ENTRY_SZ_OFFSET);
668 dev_cap->qpc_entry_sz = size;
669 MLX4_GET(size, outbox, QUERY_DEV_CAP_AUX_ENTRY_SZ_OFFSET);
670 dev_cap->aux_entry_sz = size;
671 MLX4_GET(size, outbox, QUERY_DEV_CAP_ALTC_ENTRY_SZ_OFFSET);
672 dev_cap->altc_entry_sz = size;
673 MLX4_GET(size, outbox, QUERY_DEV_CAP_EQC_ENTRY_SZ_OFFSET);
674 dev_cap->eqc_entry_sz = size;
675 MLX4_GET(size, outbox, QUERY_DEV_CAP_CQC_ENTRY_SZ_OFFSET);
676 dev_cap->cqc_entry_sz = size;
677 MLX4_GET(size, outbox, QUERY_DEV_CAP_SRQ_ENTRY_SZ_OFFSET);
678 dev_cap->srq_entry_sz = size;
679 MLX4_GET(size, outbox, QUERY_DEV_CAP_C_MPT_ENTRY_SZ_OFFSET);
680 dev_cap->cmpt_entry_sz = size;
681 MLX4_GET(size, outbox, QUERY_DEV_CAP_MTT_ENTRY_SZ_OFFSET);
682 dev_cap->mtt_entry_sz = size;
683 MLX4_GET(size, outbox, QUERY_DEV_CAP_D_MPT_ENTRY_SZ_OFFSET);
684 dev_cap->dmpt_entry_sz = size;
686 MLX4_GET(field, outbox, QUERY_DEV_CAP_MAX_SRQ_SZ_OFFSET);
687 dev_cap->max_srq_sz = 1 << field;
688 MLX4_GET(field, outbox, QUERY_DEV_CAP_MAX_QP_SZ_OFFSET);
689 dev_cap->max_qp_sz = 1 << field;
690 MLX4_GET(field, outbox, QUERY_DEV_CAP_RSZ_SRQ_OFFSET);
691 dev_cap->resize_srq = field & 1;
692 MLX4_GET(field, outbox, QUERY_DEV_CAP_MAX_SG_RQ_OFFSET);
693 dev_cap->max_rq_sg = field;
694 MLX4_GET(size, outbox, QUERY_DEV_CAP_MAX_DESC_SZ_RQ_OFFSET);
695 dev_cap->max_rq_desc_sz = size;
697 MLX4_GET(dev_cap->bmme_flags, outbox,
698 QUERY_DEV_CAP_BMME_FLAGS_OFFSET);
699 MLX4_GET(dev_cap->reserved_lkey, outbox,
700 QUERY_DEV_CAP_RSVD_LKEY_OFFSET);
701 MLX4_GET(field, outbox, QUERY_DEV_CAP_FW_REASSIGN_MAC);
703 dev_cap->flags2 |= MLX4_DEV_CAP_FLAG2_REASSIGN_MAC_EN;
704 MLX4_GET(dev_cap->max_icm_sz, outbox,
705 QUERY_DEV_CAP_MAX_ICM_SZ_OFFSET);
706 if (dev_cap->flags & MLX4_DEV_CAP_FLAG_COUNTERS)
707 MLX4_GET(dev_cap->max_counters, outbox,
708 QUERY_DEV_CAP_MAX_COUNTERS_OFFSET);
710 MLX4_GET(field32, outbox, QUERY_DEV_CAP_EXT_2_FLAGS_OFFSET);
711 if (field32 & (1 << 16))
712 dev_cap->flags2 |= MLX4_DEV_CAP_FLAG2_UPDATE_QP;
713 if (field32 & (1 << 26))
714 dev_cap->flags2 |= MLX4_DEV_CAP_FLAG2_VLAN_CONTROL;
715 if (field32 & (1 << 20))
716 dev_cap->flags2 |= MLX4_DEV_CAP_FLAG2_FSM;
718 if (dev->flags & MLX4_FLAG_OLD_PORT_CMDS) {
719 for (i = 1; i <= dev_cap->num_ports; ++i) {
720 MLX4_GET(field, outbox, QUERY_DEV_CAP_VL_PORT_OFFSET);
721 dev_cap->max_vl[i] = field >> 4;
722 MLX4_GET(field, outbox, QUERY_DEV_CAP_MTU_WIDTH_OFFSET);
723 dev_cap->ib_mtu[i] = field >> 4;
724 dev_cap->max_port_width[i] = field & 0xf;
725 MLX4_GET(field, outbox, QUERY_DEV_CAP_MAX_GID_OFFSET);
726 dev_cap->max_gids[i] = 1 << (field & 0xf);
727 MLX4_GET(field, outbox, QUERY_DEV_CAP_MAX_PKEY_OFFSET);
728 dev_cap->max_pkeys[i] = 1 << (field & 0xf);
731 #define QUERY_PORT_SUPPORTED_TYPE_OFFSET 0x00
732 #define QUERY_PORT_MTU_OFFSET 0x01
733 #define QUERY_PORT_ETH_MTU_OFFSET 0x02
734 #define QUERY_PORT_WIDTH_OFFSET 0x06
735 #define QUERY_PORT_MAX_GID_PKEY_OFFSET 0x07
736 #define QUERY_PORT_MAX_MACVLAN_OFFSET 0x0a
737 #define QUERY_PORT_MAX_VL_OFFSET 0x0b
738 #define QUERY_PORT_MAC_OFFSET 0x10
739 #define QUERY_PORT_TRANS_VENDOR_OFFSET 0x18
740 #define QUERY_PORT_WAVELENGTH_OFFSET 0x1c
741 #define QUERY_PORT_TRANS_CODE_OFFSET 0x20
743 for (i = 1; i <= dev_cap->num_ports; ++i) {
744 err = mlx4_cmd_box(dev, 0, mailbox->dma, i, 0, MLX4_CMD_QUERY_PORT,
745 MLX4_CMD_TIME_CLASS_B, MLX4_CMD_NATIVE);
749 MLX4_GET(field, outbox, QUERY_PORT_SUPPORTED_TYPE_OFFSET);
750 dev_cap->supported_port_types[i] = field & 3;
751 dev_cap->suggested_type[i] = (field >> 3) & 1;
752 dev_cap->default_sense[i] = (field >> 4) & 1;
753 MLX4_GET(field, outbox, QUERY_PORT_MTU_OFFSET);
754 dev_cap->ib_mtu[i] = field & 0xf;
755 MLX4_GET(field, outbox, QUERY_PORT_WIDTH_OFFSET);
756 dev_cap->max_port_width[i] = field & 0xf;
757 MLX4_GET(field, outbox, QUERY_PORT_MAX_GID_PKEY_OFFSET);
758 dev_cap->max_gids[i] = 1 << (field >> 4);
759 dev_cap->max_pkeys[i] = 1 << (field & 0xf);
760 MLX4_GET(field, outbox, QUERY_PORT_MAX_VL_OFFSET);
761 dev_cap->max_vl[i] = field & 0xf;
762 MLX4_GET(field, outbox, QUERY_PORT_MAX_MACVLAN_OFFSET);
763 dev_cap->log_max_macs[i] = field & 0xf;
764 dev_cap->log_max_vlans[i] = field >> 4;
765 MLX4_GET(dev_cap->eth_mtu[i], outbox, QUERY_PORT_ETH_MTU_OFFSET);
766 MLX4_GET(dev_cap->def_mac[i], outbox, QUERY_PORT_MAC_OFFSET);
767 MLX4_GET(field32, outbox, QUERY_PORT_TRANS_VENDOR_OFFSET);
768 dev_cap->trans_type[i] = field32 >> 24;
769 dev_cap->vendor_oui[i] = field32 & 0xffffff;
770 MLX4_GET(dev_cap->wavelength[i], outbox, QUERY_PORT_WAVELENGTH_OFFSET);
771 MLX4_GET(dev_cap->trans_code[i], outbox, QUERY_PORT_TRANS_CODE_OFFSET);
775 mlx4_dbg(dev, "Base MM extensions: flags %08x, rsvd L_Key %08x\n",
776 dev_cap->bmme_flags, dev_cap->reserved_lkey);
779 * Each UAR has 4 EQ doorbells; so if a UAR is reserved, then
780 * we can't use any EQs whose doorbell falls on that page,
781 * even if the EQ itself isn't reserved.
783 dev_cap->reserved_eqs = max(dev_cap->reserved_uars * 4,
784 dev_cap->reserved_eqs);
786 mlx4_dbg(dev, "Max ICM size %lld MB\n",
787 (unsigned long long) dev_cap->max_icm_sz >> 20);
788 mlx4_dbg(dev, "Max QPs: %d, reserved QPs: %d, entry size: %d\n",
789 dev_cap->max_qps, dev_cap->reserved_qps, dev_cap->qpc_entry_sz);
790 mlx4_dbg(dev, "Max SRQs: %d, reserved SRQs: %d, entry size: %d\n",
791 dev_cap->max_srqs, dev_cap->reserved_srqs, dev_cap->srq_entry_sz);
792 mlx4_dbg(dev, "Max CQs: %d, reserved CQs: %d, entry size: %d\n",
793 dev_cap->max_cqs, dev_cap->reserved_cqs, dev_cap->cqc_entry_sz);
794 mlx4_dbg(dev, "Max EQs: %d, reserved EQs: %d, entry size: %d\n",
795 dev_cap->max_eqs, dev_cap->reserved_eqs, dev_cap->eqc_entry_sz);
796 mlx4_dbg(dev, "reserved MPTs: %d, reserved MTTs: %d\n",
797 dev_cap->reserved_mrws, dev_cap->reserved_mtts);
798 mlx4_dbg(dev, "Max PDs: %d, reserved PDs: %d, reserved UARs: %d\n",
799 dev_cap->max_pds, dev_cap->reserved_pds, dev_cap->reserved_uars);
800 mlx4_dbg(dev, "Max QP/MCG: %d, reserved MGMs: %d\n",
801 dev_cap->max_pds, dev_cap->reserved_mgms);
802 mlx4_dbg(dev, "Max CQEs: %d, max WQEs: %d, max SRQ WQEs: %d\n",
803 dev_cap->max_cq_sz, dev_cap->max_qp_sz, dev_cap->max_srq_sz);
804 mlx4_dbg(dev, "Local CA ACK delay: %d, max MTU: %d, port width cap: %d\n",
805 dev_cap->local_ca_ack_delay, 128 << dev_cap->ib_mtu[1],
806 dev_cap->max_port_width[1]);
807 mlx4_dbg(dev, "Max SQ desc size: %d, max SQ S/G: %d\n",
808 dev_cap->max_sq_desc_sz, dev_cap->max_sq_sg);
809 mlx4_dbg(dev, "Max RQ desc size: %d, max RQ S/G: %d\n",
810 dev_cap->max_rq_desc_sz, dev_cap->max_rq_sg);
811 mlx4_dbg(dev, "Max GSO size: %d\n", dev_cap->max_gso_sz);
812 mlx4_dbg(dev, "Max counters: %d\n", dev_cap->max_counters);
813 mlx4_dbg(dev, "Max RSS Table size: %d\n", dev_cap->max_rss_tbl_sz);
815 dump_dev_cap_flags(dev, dev_cap->flags);
816 dump_dev_cap_flags2(dev, dev_cap->flags2);
819 mlx4_free_cmd_mailbox(dev, mailbox);
823 int mlx4_QUERY_DEV_CAP_wrapper(struct mlx4_dev *dev, int slave,
824 struct mlx4_vhcr *vhcr,
825 struct mlx4_cmd_mailbox *inbox,
826 struct mlx4_cmd_mailbox *outbox,
827 struct mlx4_cmd_info *cmd)
834 err = mlx4_cmd_box(dev, 0, outbox->dma, 0, 0, MLX4_CMD_QUERY_DEV_CAP,
835 MLX4_CMD_TIME_CLASS_A, MLX4_CMD_NATIVE);
839 /* add port mng change event capability and disable mw type 1
840 * unconditionally to slaves
842 MLX4_GET(flags, outbox->buf, QUERY_DEV_CAP_EXT_FLAGS_OFFSET);
843 flags |= MLX4_DEV_CAP_FLAG_PORT_MNG_CHG_EV;
844 flags &= ~MLX4_DEV_CAP_FLAG_MEM_WINDOW;
845 MLX4_PUT(outbox->buf, flags, QUERY_DEV_CAP_EXT_FLAGS_OFFSET);
847 /* For guests, disable timestamp */
848 MLX4_GET(field, outbox->buf, QUERY_DEV_CAP_CQ_TS_SUPPORT_OFFSET);
850 MLX4_PUT(outbox->buf, field, QUERY_DEV_CAP_CQ_TS_SUPPORT_OFFSET);
852 /* For guests, report Blueflame disabled */
853 MLX4_GET(field, outbox->buf, QUERY_DEV_CAP_BF_OFFSET);
855 MLX4_PUT(outbox->buf, field, QUERY_DEV_CAP_BF_OFFSET);
857 /* For guests, disable mw type 2 */
858 MLX4_GET(bmme_flags, outbox, QUERY_DEV_CAP_BMME_FLAGS_OFFSET);
859 bmme_flags &= ~MLX4_BMME_FLAG_TYPE_2_WIN;
860 MLX4_PUT(outbox->buf, bmme_flags, QUERY_DEV_CAP_BMME_FLAGS_OFFSET);
862 /* turn off device-managed steering capability if not enabled */
863 if (dev->caps.steering_mode != MLX4_STEERING_MODE_DEVICE_MANAGED) {
864 MLX4_GET(field, outbox->buf,
865 QUERY_DEV_CAP_FLOW_STEERING_RANGE_EN_OFFSET);
867 MLX4_PUT(outbox->buf, field,
868 QUERY_DEV_CAP_FLOW_STEERING_RANGE_EN_OFFSET);
873 int mlx4_QUERY_PORT_wrapper(struct mlx4_dev *dev, int slave,
874 struct mlx4_vhcr *vhcr,
875 struct mlx4_cmd_mailbox *inbox,
876 struct mlx4_cmd_mailbox *outbox,
877 struct mlx4_cmd_info *cmd)
879 struct mlx4_priv *priv = mlx4_priv(dev);
884 int admin_link_state;
886 #define MLX4_VF_PORT_NO_LINK_SENSE_MASK 0xE0
887 #define MLX4_PORT_LINK_UP_MASK 0x80
888 #define QUERY_PORT_CUR_MAX_PKEY_OFFSET 0x0c
889 #define QUERY_PORT_CUR_MAX_GID_OFFSET 0x0e
891 err = mlx4_cmd_box(dev, 0, outbox->dma, vhcr->in_modifier, 0,
892 MLX4_CMD_QUERY_PORT, MLX4_CMD_TIME_CLASS_B,
895 if (!err && dev->caps.function != slave) {
896 def_mac = priv->mfunc.master.vf_oper[slave].vport[vhcr->in_modifier].state.mac;
897 MLX4_PUT(outbox->buf, def_mac, QUERY_PORT_MAC_OFFSET);
899 /* get port type - currently only eth is enabled */
900 MLX4_GET(port_type, outbox->buf,
901 QUERY_PORT_SUPPORTED_TYPE_OFFSET);
903 /* No link sensing allowed */
904 port_type &= MLX4_VF_PORT_NO_LINK_SENSE_MASK;
905 /* set port type to currently operating port type */
906 port_type |= (dev->caps.port_type[vhcr->in_modifier] & 0x3);
908 admin_link_state = priv->mfunc.master.vf_oper[slave].vport[vhcr->in_modifier].state.link_state;
909 if (IFLA_VF_LINK_STATE_ENABLE == admin_link_state)
910 port_type |= MLX4_PORT_LINK_UP_MASK;
911 else if (IFLA_VF_LINK_STATE_DISABLE == admin_link_state)
912 port_type &= ~MLX4_PORT_LINK_UP_MASK;
914 MLX4_PUT(outbox->buf, port_type,
915 QUERY_PORT_SUPPORTED_TYPE_OFFSET);
917 short_field = 1; /* slave max gids */
918 MLX4_PUT(outbox->buf, short_field,
919 QUERY_PORT_CUR_MAX_GID_OFFSET);
921 short_field = dev->caps.pkey_table_len[vhcr->in_modifier];
922 MLX4_PUT(outbox->buf, short_field,
923 QUERY_PORT_CUR_MAX_PKEY_OFFSET);
929 int mlx4_get_slave_pkey_gid_tbl_len(struct mlx4_dev *dev, u8 port,
930 int *gid_tbl_len, int *pkey_tbl_len)
932 struct mlx4_cmd_mailbox *mailbox;
937 mailbox = mlx4_alloc_cmd_mailbox(dev);
939 return PTR_ERR(mailbox);
941 err = mlx4_cmd_box(dev, 0, mailbox->dma, port, 0,
942 MLX4_CMD_QUERY_PORT, MLX4_CMD_TIME_CLASS_B,
947 outbox = mailbox->buf;
949 MLX4_GET(field, outbox, QUERY_PORT_CUR_MAX_GID_OFFSET);
950 *gid_tbl_len = field;
952 MLX4_GET(field, outbox, QUERY_PORT_CUR_MAX_PKEY_OFFSET);
953 *pkey_tbl_len = field;
956 mlx4_free_cmd_mailbox(dev, mailbox);
959 EXPORT_SYMBOL(mlx4_get_slave_pkey_gid_tbl_len);
961 int mlx4_map_cmd(struct mlx4_dev *dev, u16 op, struct mlx4_icm *icm, u64 virt)
963 struct mlx4_cmd_mailbox *mailbox;
964 struct mlx4_icm_iter iter;
972 mailbox = mlx4_alloc_cmd_mailbox(dev);
974 return PTR_ERR(mailbox);
975 pages = mailbox->buf;
977 for (mlx4_icm_first(icm, &iter);
978 !mlx4_icm_last(&iter);
979 mlx4_icm_next(&iter)) {
981 * We have to pass pages that are aligned to their
982 * size, so find the least significant 1 in the
983 * address or size and use that as our log2 size.
985 lg = ffs(mlx4_icm_addr(&iter) | mlx4_icm_size(&iter)) - 1;
986 if (lg < MLX4_ICM_PAGE_SHIFT) {
987 mlx4_warn(dev, "Got FW area not aligned to %d (%llx/%lx).\n",
989 (unsigned long long) mlx4_icm_addr(&iter),
990 mlx4_icm_size(&iter));
995 for (i = 0; i < mlx4_icm_size(&iter) >> lg; ++i) {
997 pages[nent * 2] = cpu_to_be64(virt);
1001 pages[nent * 2 + 1] =
1002 cpu_to_be64((mlx4_icm_addr(&iter) + (i << lg)) |
1003 (lg - MLX4_ICM_PAGE_SHIFT));
1004 ts += 1 << (lg - 10);
1007 if (++nent == MLX4_MAILBOX_SIZE / 16) {
1008 err = mlx4_cmd(dev, mailbox->dma, nent, 0, op,
1009 MLX4_CMD_TIME_CLASS_B,
1019 err = mlx4_cmd(dev, mailbox->dma, nent, 0, op,
1020 MLX4_CMD_TIME_CLASS_B, MLX4_CMD_NATIVE);
1025 case MLX4_CMD_MAP_FA:
1026 mlx4_dbg(dev, "Mapped %d chunks/%d KB for FW.\n", tc, ts);
1028 case MLX4_CMD_MAP_ICM_AUX:
1029 mlx4_dbg(dev, "Mapped %d chunks/%d KB for ICM aux.\n", tc, ts);
1031 case MLX4_CMD_MAP_ICM:
1032 mlx4_dbg(dev, "Mapped %d chunks/%d KB at %llx for ICM.\n",
1033 tc, ts, (unsigned long long) virt - (ts << 10));
1038 mlx4_free_cmd_mailbox(dev, mailbox);
1042 int mlx4_MAP_FA(struct mlx4_dev *dev, struct mlx4_icm *icm)
1044 return mlx4_map_cmd(dev, MLX4_CMD_MAP_FA, icm, -1);
1047 int mlx4_UNMAP_FA(struct mlx4_dev *dev)
1049 return mlx4_cmd(dev, 0, 0, 0, MLX4_CMD_UNMAP_FA,
1050 MLX4_CMD_TIME_CLASS_B, MLX4_CMD_NATIVE);
1054 int mlx4_RUN_FW(struct mlx4_dev *dev)
1056 return mlx4_cmd(dev, 0, 0, 0, MLX4_CMD_RUN_FW,
1057 MLX4_CMD_TIME_CLASS_A, MLX4_CMD_NATIVE);
1060 int mlx4_QUERY_FW(struct mlx4_dev *dev)
1062 struct mlx4_fw *fw = &mlx4_priv(dev)->fw;
1063 struct mlx4_cmd *cmd = &mlx4_priv(dev)->cmd;
1064 struct mlx4_cmd_mailbox *mailbox;
1071 #define QUERY_FW_OUT_SIZE 0x100
1072 #define QUERY_FW_VER_OFFSET 0x00
1073 #define QUERY_FW_PPF_ID 0x09
1074 #define QUERY_FW_CMD_IF_REV_OFFSET 0x0a
1075 #define QUERY_FW_MAX_CMD_OFFSET 0x0f
1076 #define QUERY_FW_ERR_START_OFFSET 0x30
1077 #define QUERY_FW_ERR_SIZE_OFFSET 0x38
1078 #define QUERY_FW_ERR_BAR_OFFSET 0x3c
1080 #define QUERY_FW_SIZE_OFFSET 0x00
1081 #define QUERY_FW_CLR_INT_BASE_OFFSET 0x20
1082 #define QUERY_FW_CLR_INT_BAR_OFFSET 0x28
1084 #define QUERY_FW_COMM_BASE_OFFSET 0x40
1085 #define QUERY_FW_COMM_BAR_OFFSET 0x48
1087 #define QUERY_FW_CLOCK_OFFSET 0x50
1088 #define QUERY_FW_CLOCK_BAR 0x58
1090 mailbox = mlx4_alloc_cmd_mailbox(dev);
1091 if (IS_ERR(mailbox))
1092 return PTR_ERR(mailbox);
1093 outbox = mailbox->buf;
1095 err = mlx4_cmd_box(dev, 0, mailbox->dma, 0, 0, MLX4_CMD_QUERY_FW,
1096 MLX4_CMD_TIME_CLASS_A, MLX4_CMD_NATIVE);
1100 MLX4_GET(fw_ver, outbox, QUERY_FW_VER_OFFSET);
1102 * FW subminor version is at more significant bits than minor
1103 * version, so swap here.
1105 dev->caps.fw_ver = (fw_ver & 0xffff00000000ull) |
1106 ((fw_ver & 0xffff0000ull) >> 16) |
1107 ((fw_ver & 0x0000ffffull) << 16);
1109 MLX4_GET(lg, outbox, QUERY_FW_PPF_ID);
1110 dev->caps.function = lg;
1112 if (mlx4_is_slave(dev))
1116 MLX4_GET(cmd_if_rev, outbox, QUERY_FW_CMD_IF_REV_OFFSET);
1117 if (cmd_if_rev < MLX4_COMMAND_INTERFACE_MIN_REV ||
1118 cmd_if_rev > MLX4_COMMAND_INTERFACE_MAX_REV) {
1119 mlx4_err(dev, "Installed FW has unsupported "
1120 "command interface revision %d.\n",
1122 mlx4_err(dev, "(Installed FW version is %d.%d.%03d)\n",
1123 (int) (dev->caps.fw_ver >> 32),
1124 (int) (dev->caps.fw_ver >> 16) & 0xffff,
1125 (int) dev->caps.fw_ver & 0xffff);
1126 mlx4_err(dev, "This driver version supports only revisions %d to %d.\n",
1127 MLX4_COMMAND_INTERFACE_MIN_REV, MLX4_COMMAND_INTERFACE_MAX_REV);
1132 if (cmd_if_rev < MLX4_COMMAND_INTERFACE_NEW_PORT_CMDS)
1133 dev->flags |= MLX4_FLAG_OLD_PORT_CMDS;
1135 MLX4_GET(lg, outbox, QUERY_FW_MAX_CMD_OFFSET);
1136 cmd->max_cmds = 1 << lg;
1138 mlx4_dbg(dev, "FW version %d.%d.%03d (cmd intf rev %d), max commands %d\n",
1139 (int) (dev->caps.fw_ver >> 32),
1140 (int) (dev->caps.fw_ver >> 16) & 0xffff,
1141 (int) dev->caps.fw_ver & 0xffff,
1142 cmd_if_rev, cmd->max_cmds);
1144 MLX4_GET(fw->catas_offset, outbox, QUERY_FW_ERR_START_OFFSET);
1145 MLX4_GET(fw->catas_size, outbox, QUERY_FW_ERR_SIZE_OFFSET);
1146 MLX4_GET(fw->catas_bar, outbox, QUERY_FW_ERR_BAR_OFFSET);
1147 fw->catas_bar = (fw->catas_bar >> 6) * 2;
1149 mlx4_dbg(dev, "Catastrophic error buffer at 0x%llx, size 0x%x, BAR %d\n",
1150 (unsigned long long) fw->catas_offset, fw->catas_size, fw->catas_bar);
1152 MLX4_GET(fw->fw_pages, outbox, QUERY_FW_SIZE_OFFSET);
1153 MLX4_GET(fw->clr_int_base, outbox, QUERY_FW_CLR_INT_BASE_OFFSET);
1154 MLX4_GET(fw->clr_int_bar, outbox, QUERY_FW_CLR_INT_BAR_OFFSET);
1155 fw->clr_int_bar = (fw->clr_int_bar >> 6) * 2;
1157 MLX4_GET(fw->comm_base, outbox, QUERY_FW_COMM_BASE_OFFSET);
1158 MLX4_GET(fw->comm_bar, outbox, QUERY_FW_COMM_BAR_OFFSET);
1159 fw->comm_bar = (fw->comm_bar >> 6) * 2;
1160 mlx4_dbg(dev, "Communication vector bar:%d offset:0x%llx\n",
1161 fw->comm_bar, fw->comm_base);
1162 mlx4_dbg(dev, "FW size %d KB\n", fw->fw_pages >> 2);
1164 MLX4_GET(fw->clock_offset, outbox, QUERY_FW_CLOCK_OFFSET);
1165 MLX4_GET(fw->clock_bar, outbox, QUERY_FW_CLOCK_BAR);
1166 fw->clock_bar = (fw->clock_bar >> 6) * 2;
1167 mlx4_dbg(dev, "Internal clock bar:%d offset:0x%llx\n",
1168 fw->clock_bar, fw->clock_offset);
1171 * Round up number of system pages needed in case
1172 * MLX4_ICM_PAGE_SIZE < PAGE_SIZE.
1175 ALIGN(fw->fw_pages, PAGE_SIZE / MLX4_ICM_PAGE_SIZE) >>
1176 (PAGE_SHIFT - MLX4_ICM_PAGE_SHIFT);
1178 mlx4_dbg(dev, "Clear int @ %llx, BAR %d\n",
1179 (unsigned long long) fw->clr_int_base, fw->clr_int_bar);
1182 mlx4_free_cmd_mailbox(dev, mailbox);
1186 int mlx4_QUERY_FW_wrapper(struct mlx4_dev *dev, int slave,
1187 struct mlx4_vhcr *vhcr,
1188 struct mlx4_cmd_mailbox *inbox,
1189 struct mlx4_cmd_mailbox *outbox,
1190 struct mlx4_cmd_info *cmd)
1195 outbuf = outbox->buf;
1196 err = mlx4_cmd_box(dev, 0, outbox->dma, 0, 0, MLX4_CMD_QUERY_FW,
1197 MLX4_CMD_TIME_CLASS_A, MLX4_CMD_NATIVE);
1201 /* for slaves, set pci PPF ID to invalid and zero out everything
1202 * else except FW version */
1203 outbuf[0] = outbuf[1] = 0;
1204 memset(&outbuf[8], 0, QUERY_FW_OUT_SIZE - 8);
1205 outbuf[QUERY_FW_PPF_ID] = MLX4_INVALID_SLAVE_ID;
1210 static void get_board_id(void *vsd, char *board_id)
1214 #define VSD_OFFSET_SIG1 0x00
1215 #define VSD_OFFSET_SIG2 0xde
1216 #define VSD_OFFSET_MLX_BOARD_ID 0xd0
1217 #define VSD_OFFSET_TS_BOARD_ID 0x20
1219 #define VSD_SIGNATURE_TOPSPIN 0x5ad
1221 memset(board_id, 0, MLX4_BOARD_ID_LEN);
1223 if (be16_to_cpup(vsd + VSD_OFFSET_SIG1) == VSD_SIGNATURE_TOPSPIN &&
1224 be16_to_cpup(vsd + VSD_OFFSET_SIG2) == VSD_SIGNATURE_TOPSPIN) {
1225 strlcpy(board_id, vsd + VSD_OFFSET_TS_BOARD_ID, MLX4_BOARD_ID_LEN);
1228 * The board ID is a string but the firmware byte
1229 * swaps each 4-byte word before passing it back to
1230 * us. Therefore we need to swab it before printing.
1232 for (i = 0; i < 4; ++i)
1233 ((u32 *) board_id)[i] =
1234 swab32(*(u32 *) (vsd + VSD_OFFSET_MLX_BOARD_ID + i * 4));
1238 int mlx4_QUERY_ADAPTER(struct mlx4_dev *dev, struct mlx4_adapter *adapter)
1240 struct mlx4_cmd_mailbox *mailbox;
1244 #define QUERY_ADAPTER_OUT_SIZE 0x100
1245 #define QUERY_ADAPTER_INTA_PIN_OFFSET 0x10
1246 #define QUERY_ADAPTER_VSD_OFFSET 0x20
1248 mailbox = mlx4_alloc_cmd_mailbox(dev);
1249 if (IS_ERR(mailbox))
1250 return PTR_ERR(mailbox);
1251 outbox = mailbox->buf;
1253 err = mlx4_cmd_box(dev, 0, mailbox->dma, 0, 0, MLX4_CMD_QUERY_ADAPTER,
1254 MLX4_CMD_TIME_CLASS_A, MLX4_CMD_NATIVE);
1258 MLX4_GET(adapter->inta_pin, outbox, QUERY_ADAPTER_INTA_PIN_OFFSET);
1260 get_board_id(outbox + QUERY_ADAPTER_VSD_OFFSET / 4,
1264 mlx4_free_cmd_mailbox(dev, mailbox);
1268 int mlx4_INIT_HCA(struct mlx4_dev *dev, struct mlx4_init_hca_param *param)
1270 struct mlx4_cmd_mailbox *mailbox;
1274 #define INIT_HCA_IN_SIZE 0x200
1275 #define INIT_HCA_VERSION_OFFSET 0x000
1276 #define INIT_HCA_VERSION 2
1277 #define INIT_HCA_CACHELINE_SZ_OFFSET 0x0e
1278 #define INIT_HCA_FLAGS_OFFSET 0x014
1279 #define INIT_HCA_QPC_OFFSET 0x020
1280 #define INIT_HCA_QPC_BASE_OFFSET (INIT_HCA_QPC_OFFSET + 0x10)
1281 #define INIT_HCA_LOG_QP_OFFSET (INIT_HCA_QPC_OFFSET + 0x17)
1282 #define INIT_HCA_SRQC_BASE_OFFSET (INIT_HCA_QPC_OFFSET + 0x28)
1283 #define INIT_HCA_LOG_SRQ_OFFSET (INIT_HCA_QPC_OFFSET + 0x2f)
1284 #define INIT_HCA_CQC_BASE_OFFSET (INIT_HCA_QPC_OFFSET + 0x30)
1285 #define INIT_HCA_LOG_CQ_OFFSET (INIT_HCA_QPC_OFFSET + 0x37)
1286 #define INIT_HCA_EQE_CQE_OFFSETS (INIT_HCA_QPC_OFFSET + 0x38)
1287 #define INIT_HCA_ALTC_BASE_OFFSET (INIT_HCA_QPC_OFFSET + 0x40)
1288 #define INIT_HCA_AUXC_BASE_OFFSET (INIT_HCA_QPC_OFFSET + 0x50)
1289 #define INIT_HCA_EQC_BASE_OFFSET (INIT_HCA_QPC_OFFSET + 0x60)
1290 #define INIT_HCA_LOG_EQ_OFFSET (INIT_HCA_QPC_OFFSET + 0x67)
1291 #define INIT_HCA_RDMARC_BASE_OFFSET (INIT_HCA_QPC_OFFSET + 0x70)
1292 #define INIT_HCA_LOG_RD_OFFSET (INIT_HCA_QPC_OFFSET + 0x77)
1293 #define INIT_HCA_MCAST_OFFSET 0x0c0
1294 #define INIT_HCA_MC_BASE_OFFSET (INIT_HCA_MCAST_OFFSET + 0x00)
1295 #define INIT_HCA_LOG_MC_ENTRY_SZ_OFFSET (INIT_HCA_MCAST_OFFSET + 0x12)
1296 #define INIT_HCA_LOG_MC_HASH_SZ_OFFSET (INIT_HCA_MCAST_OFFSET + 0x16)
1297 #define INIT_HCA_UC_STEERING_OFFSET (INIT_HCA_MCAST_OFFSET + 0x18)
1298 #define INIT_HCA_LOG_MC_TABLE_SZ_OFFSET (INIT_HCA_MCAST_OFFSET + 0x1b)
1299 #define INIT_HCA_DEVICE_MANAGED_FLOW_STEERING_EN 0x6
1300 #define INIT_HCA_FS_PARAM_OFFSET 0x1d0
1301 #define INIT_HCA_FS_BASE_OFFSET (INIT_HCA_FS_PARAM_OFFSET + 0x00)
1302 #define INIT_HCA_FS_LOG_ENTRY_SZ_OFFSET (INIT_HCA_FS_PARAM_OFFSET + 0x12)
1303 #define INIT_HCA_FS_LOG_TABLE_SZ_OFFSET (INIT_HCA_FS_PARAM_OFFSET + 0x1b)
1304 #define INIT_HCA_FS_ETH_BITS_OFFSET (INIT_HCA_FS_PARAM_OFFSET + 0x21)
1305 #define INIT_HCA_FS_ETH_NUM_ADDRS_OFFSET (INIT_HCA_FS_PARAM_OFFSET + 0x22)
1306 #define INIT_HCA_FS_IB_BITS_OFFSET (INIT_HCA_FS_PARAM_OFFSET + 0x25)
1307 #define INIT_HCA_FS_IB_NUM_ADDRS_OFFSET (INIT_HCA_FS_PARAM_OFFSET + 0x26)
1308 #define INIT_HCA_TPT_OFFSET 0x0f0
1309 #define INIT_HCA_DMPT_BASE_OFFSET (INIT_HCA_TPT_OFFSET + 0x00)
1310 #define INIT_HCA_TPT_MW_OFFSET (INIT_HCA_TPT_OFFSET + 0x08)
1311 #define INIT_HCA_LOG_MPT_SZ_OFFSET (INIT_HCA_TPT_OFFSET + 0x0b)
1312 #define INIT_HCA_MTT_BASE_OFFSET (INIT_HCA_TPT_OFFSET + 0x10)
1313 #define INIT_HCA_CMPT_BASE_OFFSET (INIT_HCA_TPT_OFFSET + 0x18)
1314 #define INIT_HCA_UAR_OFFSET 0x120
1315 #define INIT_HCA_LOG_UAR_SZ_OFFSET (INIT_HCA_UAR_OFFSET + 0x0a)
1316 #define INIT_HCA_UAR_PAGE_SZ_OFFSET (INIT_HCA_UAR_OFFSET + 0x0b)
1318 mailbox = mlx4_alloc_cmd_mailbox(dev);
1319 if (IS_ERR(mailbox))
1320 return PTR_ERR(mailbox);
1321 inbox = mailbox->buf;
1323 *((u8 *) mailbox->buf + INIT_HCA_VERSION_OFFSET) = INIT_HCA_VERSION;
1325 *((u8 *) mailbox->buf + INIT_HCA_CACHELINE_SZ_OFFSET) =
1326 (ilog2(cache_line_size()) - 4) << 5;
1328 #if defined(__LITTLE_ENDIAN)
1329 *(inbox + INIT_HCA_FLAGS_OFFSET / 4) &= ~cpu_to_be32(1 << 1);
1330 #elif defined(__BIG_ENDIAN)
1331 *(inbox + INIT_HCA_FLAGS_OFFSET / 4) |= cpu_to_be32(1 << 1);
1333 #error Host endianness not defined
1335 /* Check port for UD address vector: */
1336 *(inbox + INIT_HCA_FLAGS_OFFSET / 4) |= cpu_to_be32(1);
1338 /* Enable IPoIB checksumming if we can: */
1339 if (dev->caps.flags & MLX4_DEV_CAP_FLAG_IPOIB_CSUM)
1340 *(inbox + INIT_HCA_FLAGS_OFFSET / 4) |= cpu_to_be32(1 << 3);
1342 /* Enable QoS support if module parameter set */
1344 *(inbox + INIT_HCA_FLAGS_OFFSET / 4) |= cpu_to_be32(1 << 2);
1346 /* enable counters */
1347 if (dev->caps.flags & MLX4_DEV_CAP_FLAG_COUNTERS)
1348 *(inbox + INIT_HCA_FLAGS_OFFSET / 4) |= cpu_to_be32(1 << 4);
1350 /* CX3 is capable of extending CQEs/EQEs from 32 to 64 bytes */
1351 if (dev->caps.flags & MLX4_DEV_CAP_FLAG_64B_EQE) {
1352 *(inbox + INIT_HCA_EQE_CQE_OFFSETS / 4) |= cpu_to_be32(1 << 29);
1353 dev->caps.eqe_size = 64;
1354 dev->caps.eqe_factor = 1;
1356 dev->caps.eqe_size = 32;
1357 dev->caps.eqe_factor = 0;
1360 if (dev->caps.flags & MLX4_DEV_CAP_FLAG_64B_CQE) {
1361 *(inbox + INIT_HCA_EQE_CQE_OFFSETS / 4) |= cpu_to_be32(1 << 30);
1362 dev->caps.cqe_size = 64;
1363 dev->caps.userspace_caps |= MLX4_USER_DEV_CAP_64B_CQE;
1365 dev->caps.cqe_size = 32;
1368 /* QPC/EEC/CQC/EQC/RDMARC attributes */
1370 MLX4_PUT(inbox, param->qpc_base, INIT_HCA_QPC_BASE_OFFSET);
1371 MLX4_PUT(inbox, param->log_num_qps, INIT_HCA_LOG_QP_OFFSET);
1372 MLX4_PUT(inbox, param->srqc_base, INIT_HCA_SRQC_BASE_OFFSET);
1373 MLX4_PUT(inbox, param->log_num_srqs, INIT_HCA_LOG_SRQ_OFFSET);
1374 MLX4_PUT(inbox, param->cqc_base, INIT_HCA_CQC_BASE_OFFSET);
1375 MLX4_PUT(inbox, param->log_num_cqs, INIT_HCA_LOG_CQ_OFFSET);
1376 MLX4_PUT(inbox, param->altc_base, INIT_HCA_ALTC_BASE_OFFSET);
1377 MLX4_PUT(inbox, param->auxc_base, INIT_HCA_AUXC_BASE_OFFSET);
1378 MLX4_PUT(inbox, param->eqc_base, INIT_HCA_EQC_BASE_OFFSET);
1379 MLX4_PUT(inbox, param->log_num_eqs, INIT_HCA_LOG_EQ_OFFSET);
1380 MLX4_PUT(inbox, param->rdmarc_base, INIT_HCA_RDMARC_BASE_OFFSET);
1381 MLX4_PUT(inbox, param->log_rd_per_qp, INIT_HCA_LOG_RD_OFFSET);
1383 /* steering attributes */
1384 if (dev->caps.steering_mode ==
1385 MLX4_STEERING_MODE_DEVICE_MANAGED) {
1386 *(inbox + INIT_HCA_FLAGS_OFFSET / 4) |=
1388 INIT_HCA_DEVICE_MANAGED_FLOW_STEERING_EN);
1390 MLX4_PUT(inbox, param->mc_base, INIT_HCA_FS_BASE_OFFSET);
1391 MLX4_PUT(inbox, param->log_mc_entry_sz,
1392 INIT_HCA_FS_LOG_ENTRY_SZ_OFFSET);
1393 MLX4_PUT(inbox, param->log_mc_table_sz,
1394 INIT_HCA_FS_LOG_TABLE_SZ_OFFSET);
1395 /* Enable Ethernet flow steering
1396 * with udp unicast and tcp unicast
1398 MLX4_PUT(inbox, (u8) (MLX4_FS_UDP_UC_EN | MLX4_FS_TCP_UC_EN),
1399 INIT_HCA_FS_ETH_BITS_OFFSET);
1400 MLX4_PUT(inbox, (u16) MLX4_FS_NUM_OF_L2_ADDR,
1401 INIT_HCA_FS_ETH_NUM_ADDRS_OFFSET);
1402 /* Enable IPoIB flow steering
1403 * with udp unicast and tcp unicast
1405 MLX4_PUT(inbox, (u8) (MLX4_FS_UDP_UC_EN | MLX4_FS_TCP_UC_EN),
1406 INIT_HCA_FS_IB_BITS_OFFSET);
1407 MLX4_PUT(inbox, (u16) MLX4_FS_NUM_OF_L2_ADDR,
1408 INIT_HCA_FS_IB_NUM_ADDRS_OFFSET);
1410 MLX4_PUT(inbox, param->mc_base, INIT_HCA_MC_BASE_OFFSET);
1411 MLX4_PUT(inbox, param->log_mc_entry_sz,
1412 INIT_HCA_LOG_MC_ENTRY_SZ_OFFSET);
1413 MLX4_PUT(inbox, param->log_mc_hash_sz,
1414 INIT_HCA_LOG_MC_HASH_SZ_OFFSET);
1415 MLX4_PUT(inbox, param->log_mc_table_sz,
1416 INIT_HCA_LOG_MC_TABLE_SZ_OFFSET);
1417 if (dev->caps.steering_mode == MLX4_STEERING_MODE_B0)
1418 MLX4_PUT(inbox, (u8) (1 << 3),
1419 INIT_HCA_UC_STEERING_OFFSET);
1422 /* TPT attributes */
1424 MLX4_PUT(inbox, param->dmpt_base, INIT_HCA_DMPT_BASE_OFFSET);
1425 MLX4_PUT(inbox, param->mw_enabled, INIT_HCA_TPT_MW_OFFSET);
1426 MLX4_PUT(inbox, param->log_mpt_sz, INIT_HCA_LOG_MPT_SZ_OFFSET);
1427 MLX4_PUT(inbox, param->mtt_base, INIT_HCA_MTT_BASE_OFFSET);
1428 MLX4_PUT(inbox, param->cmpt_base, INIT_HCA_CMPT_BASE_OFFSET);
1430 /* UAR attributes */
1432 MLX4_PUT(inbox, param->uar_page_sz, INIT_HCA_UAR_PAGE_SZ_OFFSET);
1433 MLX4_PUT(inbox, param->log_uar_sz, INIT_HCA_LOG_UAR_SZ_OFFSET);
1435 err = mlx4_cmd(dev, mailbox->dma, 0, 0, MLX4_CMD_INIT_HCA, 10000,
1439 mlx4_err(dev, "INIT_HCA returns %d\n", err);
1441 mlx4_free_cmd_mailbox(dev, mailbox);
1445 int mlx4_QUERY_HCA(struct mlx4_dev *dev,
1446 struct mlx4_init_hca_param *param)
1448 struct mlx4_cmd_mailbox *mailbox;
1454 #define QUERY_HCA_GLOBAL_CAPS_OFFSET 0x04
1455 #define QUERY_HCA_CORE_CLOCK_OFFSET 0x0c
1457 mailbox = mlx4_alloc_cmd_mailbox(dev);
1458 if (IS_ERR(mailbox))
1459 return PTR_ERR(mailbox);
1460 outbox = mailbox->buf;
1462 err = mlx4_cmd_box(dev, 0, mailbox->dma, 0, 0,
1464 MLX4_CMD_TIME_CLASS_B,
1465 !mlx4_is_slave(dev));
1469 MLX4_GET(param->global_caps, outbox, QUERY_HCA_GLOBAL_CAPS_OFFSET);
1470 MLX4_GET(param->hca_core_clock, outbox, QUERY_HCA_CORE_CLOCK_OFFSET);
1472 /* QPC/EEC/CQC/EQC/RDMARC attributes */
1474 MLX4_GET(param->qpc_base, outbox, INIT_HCA_QPC_BASE_OFFSET);
1475 MLX4_GET(param->log_num_qps, outbox, INIT_HCA_LOG_QP_OFFSET);
1476 MLX4_GET(param->srqc_base, outbox, INIT_HCA_SRQC_BASE_OFFSET);
1477 MLX4_GET(param->log_num_srqs, outbox, INIT_HCA_LOG_SRQ_OFFSET);
1478 MLX4_GET(param->cqc_base, outbox, INIT_HCA_CQC_BASE_OFFSET);
1479 MLX4_GET(param->log_num_cqs, outbox, INIT_HCA_LOG_CQ_OFFSET);
1480 MLX4_GET(param->altc_base, outbox, INIT_HCA_ALTC_BASE_OFFSET);
1481 MLX4_GET(param->auxc_base, outbox, INIT_HCA_AUXC_BASE_OFFSET);
1482 MLX4_GET(param->eqc_base, outbox, INIT_HCA_EQC_BASE_OFFSET);
1483 MLX4_GET(param->log_num_eqs, outbox, INIT_HCA_LOG_EQ_OFFSET);
1484 MLX4_GET(param->rdmarc_base, outbox, INIT_HCA_RDMARC_BASE_OFFSET);
1485 MLX4_GET(param->log_rd_per_qp, outbox, INIT_HCA_LOG_RD_OFFSET);
1487 MLX4_GET(dword_field, outbox, INIT_HCA_FLAGS_OFFSET);
1488 if (dword_field & (1 << INIT_HCA_DEVICE_MANAGED_FLOW_STEERING_EN)) {
1489 param->steering_mode = MLX4_STEERING_MODE_DEVICE_MANAGED;
1491 MLX4_GET(byte_field, outbox, INIT_HCA_UC_STEERING_OFFSET);
1492 if (byte_field & 0x8)
1493 param->steering_mode = MLX4_STEERING_MODE_B0;
1495 param->steering_mode = MLX4_STEERING_MODE_A0;
1497 /* steering attributes */
1498 if (param->steering_mode == MLX4_STEERING_MODE_DEVICE_MANAGED) {
1499 MLX4_GET(param->mc_base, outbox, INIT_HCA_FS_BASE_OFFSET);
1500 MLX4_GET(param->log_mc_entry_sz, outbox,
1501 INIT_HCA_FS_LOG_ENTRY_SZ_OFFSET);
1502 MLX4_GET(param->log_mc_table_sz, outbox,
1503 INIT_HCA_FS_LOG_TABLE_SZ_OFFSET);
1505 MLX4_GET(param->mc_base, outbox, INIT_HCA_MC_BASE_OFFSET);
1506 MLX4_GET(param->log_mc_entry_sz, outbox,
1507 INIT_HCA_LOG_MC_ENTRY_SZ_OFFSET);
1508 MLX4_GET(param->log_mc_hash_sz, outbox,
1509 INIT_HCA_LOG_MC_HASH_SZ_OFFSET);
1510 MLX4_GET(param->log_mc_table_sz, outbox,
1511 INIT_HCA_LOG_MC_TABLE_SZ_OFFSET);
1514 /* CX3 is capable of extending CQEs/EQEs from 32 to 64 bytes */
1515 MLX4_GET(byte_field, outbox, INIT_HCA_EQE_CQE_OFFSETS);
1516 if (byte_field & 0x20) /* 64-bytes eqe enabled */
1517 param->dev_cap_enabled |= MLX4_DEV_CAP_64B_EQE_ENABLED;
1518 if (byte_field & 0x40) /* 64-bytes cqe enabled */
1519 param->dev_cap_enabled |= MLX4_DEV_CAP_64B_CQE_ENABLED;
1521 /* TPT attributes */
1523 MLX4_GET(param->dmpt_base, outbox, INIT_HCA_DMPT_BASE_OFFSET);
1524 MLX4_GET(param->mw_enabled, outbox, INIT_HCA_TPT_MW_OFFSET);
1525 MLX4_GET(param->log_mpt_sz, outbox, INIT_HCA_LOG_MPT_SZ_OFFSET);
1526 MLX4_GET(param->mtt_base, outbox, INIT_HCA_MTT_BASE_OFFSET);
1527 MLX4_GET(param->cmpt_base, outbox, INIT_HCA_CMPT_BASE_OFFSET);
1529 /* UAR attributes */
1531 MLX4_GET(param->uar_page_sz, outbox, INIT_HCA_UAR_PAGE_SZ_OFFSET);
1532 MLX4_GET(param->log_uar_sz, outbox, INIT_HCA_LOG_UAR_SZ_OFFSET);
1535 mlx4_free_cmd_mailbox(dev, mailbox);
1540 /* for IB-type ports only in SRIOV mode. Checks that both proxy QP0
1541 * and real QP0 are active, so that the paravirtualized QP0 is ready
1543 static int check_qp0_state(struct mlx4_dev *dev, int function, int port)
1545 struct mlx4_priv *priv = mlx4_priv(dev);
1546 /* irrelevant if not infiniband */
1547 if (priv->mfunc.master.qp0_state[port].proxy_qp0_active &&
1548 priv->mfunc.master.qp0_state[port].qp0_active)
1553 int mlx4_INIT_PORT_wrapper(struct mlx4_dev *dev, int slave,
1554 struct mlx4_vhcr *vhcr,
1555 struct mlx4_cmd_mailbox *inbox,
1556 struct mlx4_cmd_mailbox *outbox,
1557 struct mlx4_cmd_info *cmd)
1559 struct mlx4_priv *priv = mlx4_priv(dev);
1560 int port = vhcr->in_modifier;
1563 if (priv->mfunc.master.slave_state[slave].init_port_mask & (1 << port))
1566 if (dev->caps.port_mask[port] != MLX4_PORT_TYPE_IB) {
1567 /* Enable port only if it was previously disabled */
1568 if (!priv->mfunc.master.init_port_ref[port]) {
1569 err = mlx4_cmd(dev, 0, port, 0, MLX4_CMD_INIT_PORT,
1570 MLX4_CMD_TIME_CLASS_A, MLX4_CMD_NATIVE);
1574 priv->mfunc.master.slave_state[slave].init_port_mask |= (1 << port);
1576 if (slave == mlx4_master_func_num(dev)) {
1577 if (check_qp0_state(dev, slave, port) &&
1578 !priv->mfunc.master.qp0_state[port].port_active) {
1579 err = mlx4_cmd(dev, 0, port, 0, MLX4_CMD_INIT_PORT,
1580 MLX4_CMD_TIME_CLASS_A, MLX4_CMD_NATIVE);
1583 priv->mfunc.master.qp0_state[port].port_active = 1;
1584 priv->mfunc.master.slave_state[slave].init_port_mask |= (1 << port);
1587 priv->mfunc.master.slave_state[slave].init_port_mask |= (1 << port);
1589 ++priv->mfunc.master.init_port_ref[port];
1593 int mlx4_INIT_PORT(struct mlx4_dev *dev, int port)
1595 struct mlx4_cmd_mailbox *mailbox;
1601 if (dev->flags & MLX4_FLAG_OLD_PORT_CMDS) {
1602 #define INIT_PORT_IN_SIZE 256
1603 #define INIT_PORT_FLAGS_OFFSET 0x00
1604 #define INIT_PORT_FLAG_SIG (1 << 18)
1605 #define INIT_PORT_FLAG_NG (1 << 17)
1606 #define INIT_PORT_FLAG_G0 (1 << 16)
1607 #define INIT_PORT_VL_SHIFT 4
1608 #define INIT_PORT_PORT_WIDTH_SHIFT 8
1609 #define INIT_PORT_MTU_OFFSET 0x04
1610 #define INIT_PORT_MAX_GID_OFFSET 0x06
1611 #define INIT_PORT_MAX_PKEY_OFFSET 0x0a
1612 #define INIT_PORT_GUID0_OFFSET 0x10
1613 #define INIT_PORT_NODE_GUID_OFFSET 0x18
1614 #define INIT_PORT_SI_GUID_OFFSET 0x20
1616 mailbox = mlx4_alloc_cmd_mailbox(dev);
1617 if (IS_ERR(mailbox))
1618 return PTR_ERR(mailbox);
1619 inbox = mailbox->buf;
1622 flags |= (dev->caps.vl_cap[port] & 0xf) << INIT_PORT_VL_SHIFT;
1623 flags |= (dev->caps.port_width_cap[port] & 0xf) << INIT_PORT_PORT_WIDTH_SHIFT;
1624 MLX4_PUT(inbox, flags, INIT_PORT_FLAGS_OFFSET);
1626 field = 128 << dev->caps.ib_mtu_cap[port];
1627 MLX4_PUT(inbox, field, INIT_PORT_MTU_OFFSET);
1628 field = dev->caps.gid_table_len[port];
1629 MLX4_PUT(inbox, field, INIT_PORT_MAX_GID_OFFSET);
1630 field = dev->caps.pkey_table_len[port];
1631 MLX4_PUT(inbox, field, INIT_PORT_MAX_PKEY_OFFSET);
1633 err = mlx4_cmd(dev, mailbox->dma, port, 0, MLX4_CMD_INIT_PORT,
1634 MLX4_CMD_TIME_CLASS_A, MLX4_CMD_NATIVE);
1636 mlx4_free_cmd_mailbox(dev, mailbox);
1638 err = mlx4_cmd(dev, 0, port, 0, MLX4_CMD_INIT_PORT,
1639 MLX4_CMD_TIME_CLASS_A, MLX4_CMD_WRAPPED);
1643 EXPORT_SYMBOL_GPL(mlx4_INIT_PORT);
1645 int mlx4_CLOSE_PORT_wrapper(struct mlx4_dev *dev, int slave,
1646 struct mlx4_vhcr *vhcr,
1647 struct mlx4_cmd_mailbox *inbox,
1648 struct mlx4_cmd_mailbox *outbox,
1649 struct mlx4_cmd_info *cmd)
1651 struct mlx4_priv *priv = mlx4_priv(dev);
1652 int port = vhcr->in_modifier;
1655 if (!(priv->mfunc.master.slave_state[slave].init_port_mask &
1659 if (dev->caps.port_mask[port] != MLX4_PORT_TYPE_IB) {
1660 if (priv->mfunc.master.init_port_ref[port] == 1) {
1661 err = mlx4_cmd(dev, 0, port, 0, MLX4_CMD_CLOSE_PORT,
1662 1000, MLX4_CMD_NATIVE);
1666 priv->mfunc.master.slave_state[slave].init_port_mask &= ~(1 << port);
1668 /* infiniband port */
1669 if (slave == mlx4_master_func_num(dev)) {
1670 if (!priv->mfunc.master.qp0_state[port].qp0_active &&
1671 priv->mfunc.master.qp0_state[port].port_active) {
1672 err = mlx4_cmd(dev, 0, port, 0, MLX4_CMD_CLOSE_PORT,
1673 1000, MLX4_CMD_NATIVE);
1676 priv->mfunc.master.slave_state[slave].init_port_mask &= ~(1 << port);
1677 priv->mfunc.master.qp0_state[port].port_active = 0;
1680 priv->mfunc.master.slave_state[slave].init_port_mask &= ~(1 << port);
1682 --priv->mfunc.master.init_port_ref[port];
1686 int mlx4_CLOSE_PORT(struct mlx4_dev *dev, int port)
1688 return mlx4_cmd(dev, 0, port, 0, MLX4_CMD_CLOSE_PORT, 1000,
1691 EXPORT_SYMBOL_GPL(mlx4_CLOSE_PORT);
1693 int mlx4_CLOSE_HCA(struct mlx4_dev *dev, int panic)
1695 return mlx4_cmd(dev, 0, 0, panic, MLX4_CMD_CLOSE_HCA, 1000,
1699 int mlx4_SET_ICM_SIZE(struct mlx4_dev *dev, u64 icm_size, u64 *aux_pages)
1701 int ret = mlx4_cmd_imm(dev, icm_size, aux_pages, 0, 0,
1702 MLX4_CMD_SET_ICM_SIZE,
1703 MLX4_CMD_TIME_CLASS_A, MLX4_CMD_NATIVE);
1708 * Round up number of system pages needed in case
1709 * MLX4_ICM_PAGE_SIZE < PAGE_SIZE.
1711 *aux_pages = ALIGN(*aux_pages, PAGE_SIZE / MLX4_ICM_PAGE_SIZE) >>
1712 (PAGE_SHIFT - MLX4_ICM_PAGE_SHIFT);
1717 int mlx4_NOP(struct mlx4_dev *dev)
1719 /* Input modifier of 0x1f means "finish as soon as possible." */
1720 return mlx4_cmd(dev, 0, 0x1f, 0, MLX4_CMD_NOP, 100, MLX4_CMD_NATIVE);
1723 int mlx4_get_phys_port_id(struct mlx4_dev *dev)
1727 struct mlx4_cmd_mailbox *mailbox;
1729 u32 guid_hi, guid_lo;
1731 #define MOD_STAT_CFG_PORT_OFFSET 8
1732 #define MOD_STAT_CFG_GUID_H 0X14
1733 #define MOD_STAT_CFG_GUID_L 0X1c
1735 mailbox = mlx4_alloc_cmd_mailbox(dev);
1736 if (IS_ERR(mailbox))
1737 return PTR_ERR(mailbox);
1738 outbox = mailbox->buf;
1740 for (port = 1; port <= dev->caps.num_ports; port++) {
1741 in_mod = port << MOD_STAT_CFG_PORT_OFFSET;
1742 err = mlx4_cmd_box(dev, 0, mailbox->dma, in_mod, 0x2,
1743 MLX4_CMD_MOD_STAT_CFG, MLX4_CMD_TIME_CLASS_A,
1746 mlx4_err(dev, "Fail to get port %d uplink guid\n",
1750 MLX4_GET(guid_hi, outbox, MOD_STAT_CFG_GUID_H);
1751 MLX4_GET(guid_lo, outbox, MOD_STAT_CFG_GUID_L);
1752 dev->caps.phys_port_id[port] = (u64)guid_lo |
1756 mlx4_free_cmd_mailbox(dev, mailbox);
1760 #define MLX4_WOL_SETUP_MODE (5 << 28)
1761 int mlx4_wol_read(struct mlx4_dev *dev, u64 *config, int port)
1763 u32 in_mod = MLX4_WOL_SETUP_MODE | port << 8;
1765 return mlx4_cmd_imm(dev, 0, config, in_mod, 0x3,
1766 MLX4_CMD_MOD_STAT_CFG, MLX4_CMD_TIME_CLASS_A,
1769 EXPORT_SYMBOL_GPL(mlx4_wol_read);
1771 int mlx4_wol_write(struct mlx4_dev *dev, u64 config, int port)
1773 u32 in_mod = MLX4_WOL_SETUP_MODE | port << 8;
1775 return mlx4_cmd(dev, config, in_mod, 0x1, MLX4_CMD_MOD_STAT_CFG,
1776 MLX4_CMD_TIME_CLASS_A, MLX4_CMD_NATIVE);
1778 EXPORT_SYMBOL_GPL(mlx4_wol_write);
1785 void mlx4_opreq_action(struct work_struct *work)
1787 struct mlx4_priv *priv = container_of(work, struct mlx4_priv,
1789 struct mlx4_dev *dev = &priv->dev;
1790 int num_tasks = atomic_read(&priv->opreq_count);
1791 struct mlx4_cmd_mailbox *mailbox;
1792 struct mlx4_mgm *mgm;
1804 #define GET_OP_REQ_MODIFIER_OFFSET 0x08
1805 #define GET_OP_REQ_TOKEN_OFFSET 0x14
1806 #define GET_OP_REQ_TYPE_OFFSET 0x1a
1807 #define GET_OP_REQ_DATA_OFFSET 0x20
1809 mailbox = mlx4_alloc_cmd_mailbox(dev);
1810 if (IS_ERR(mailbox)) {
1811 mlx4_err(dev, "Failed to allocate mailbox for GET_OP_REQ\n");
1814 outbox = mailbox->buf;
1817 err = mlx4_cmd_box(dev, 0, mailbox->dma, 0, 0,
1818 MLX4_CMD_GET_OP_REQ, MLX4_CMD_TIME_CLASS_A,
1821 mlx4_err(dev, "Failed to retrieve required operation: %d\n",
1825 MLX4_GET(modifier, outbox, GET_OP_REQ_MODIFIER_OFFSET);
1826 MLX4_GET(token, outbox, GET_OP_REQ_TOKEN_OFFSET);
1827 MLX4_GET(type, outbox, GET_OP_REQ_TYPE_OFFSET);
1832 if (dev->caps.steering_mode ==
1833 MLX4_STEERING_MODE_DEVICE_MANAGED) {
1834 mlx4_warn(dev, "ADD MCG operation is not supported in DEVICE_MANAGED steering mode\n");
1838 mgm = (struct mlx4_mgm *)((u8 *)(outbox) +
1839 GET_OP_REQ_DATA_OFFSET);
1840 num_qps = be32_to_cpu(mgm->members_count) &
1842 rem_mcg = ((u8 *)(&mgm->members_count))[0] & 1;
1843 prot = ((u8 *)(&mgm->members_count))[0] >> 6;
1845 for (i = 0; i < num_qps; i++) {
1846 qp.qpn = be32_to_cpu(mgm->qp[i]);
1848 err = mlx4_multicast_detach(dev, &qp,
1852 err = mlx4_multicast_attach(dev, &qp,
1862 mlx4_warn(dev, "Bad type for required operation\n");
1866 err = mlx4_cmd(dev, 0, ((u32) err | cpu_to_be32(token) << 16),
1867 1, MLX4_CMD_GET_OP_REQ, MLX4_CMD_TIME_CLASS_A,
1870 mlx4_err(dev, "Failed to acknowledge required request: %d\n",
1874 memset(outbox, 0, 0xffc);
1875 num_tasks = atomic_dec_return(&priv->opreq_count);
1879 mlx4_free_cmd_mailbox(dev, mailbox);