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 managed 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",
138 [9] = "Device managed flow steering IPoIB support",
139 [10] = "TCP/IP offloads/flow-steering for VXLAN support",
140 [11] = "MAD DEMUX (Secure-Host) support",
141 [12] = "Large cache line (>64B) CQE stride support",
142 [13] = "Large cache line (>64B) EQE stride support",
143 [14] = "Ethernet protocol control support",
144 [15] = "Ethernet Backplane autoneg support",
145 [16] = "CONFIG DEV support",
146 [17] = "Asymmetric EQs support",
147 [18] = "More than 80 VFs support",
148 [19] = "Performance optimized for limited rule configuration flow steering support",
149 [20] = "Recoverable error events support"
153 for (i = 0; i < ARRAY_SIZE(fname); ++i)
154 if (fname[i] && (flags & (1LL << i)))
155 mlx4_dbg(dev, " %s\n", fname[i]);
158 int mlx4_MOD_STAT_CFG(struct mlx4_dev *dev, struct mlx4_mod_stat_cfg *cfg)
160 struct mlx4_cmd_mailbox *mailbox;
164 #define MOD_STAT_CFG_IN_SIZE 0x100
166 #define MOD_STAT_CFG_PG_SZ_M_OFFSET 0x002
167 #define MOD_STAT_CFG_PG_SZ_OFFSET 0x003
169 mailbox = mlx4_alloc_cmd_mailbox(dev);
171 return PTR_ERR(mailbox);
172 inbox = mailbox->buf;
174 MLX4_PUT(inbox, cfg->log_pg_sz, MOD_STAT_CFG_PG_SZ_OFFSET);
175 MLX4_PUT(inbox, cfg->log_pg_sz_m, MOD_STAT_CFG_PG_SZ_M_OFFSET);
177 err = mlx4_cmd(dev, mailbox->dma, 0, 0, MLX4_CMD_MOD_STAT_CFG,
178 MLX4_CMD_TIME_CLASS_A, MLX4_CMD_NATIVE);
180 mlx4_free_cmd_mailbox(dev, mailbox);
184 int mlx4_QUERY_FUNC(struct mlx4_dev *dev, struct mlx4_func *func, int slave)
186 struct mlx4_cmd_mailbox *mailbox;
193 #define QUERY_FUNC_BUS_OFFSET 0x00
194 #define QUERY_FUNC_DEVICE_OFFSET 0x01
195 #define QUERY_FUNC_FUNCTION_OFFSET 0x01
196 #define QUERY_FUNC_PHYSICAL_FUNCTION_OFFSET 0x03
197 #define QUERY_FUNC_RSVD_EQS_OFFSET 0x04
198 #define QUERY_FUNC_MAX_EQ_OFFSET 0x06
199 #define QUERY_FUNC_RSVD_UARS_OFFSET 0x0b
201 mailbox = mlx4_alloc_cmd_mailbox(dev);
203 return PTR_ERR(mailbox);
204 outbox = mailbox->buf;
208 err = mlx4_cmd_box(dev, 0, mailbox->dma, in_modifier, 0,
210 MLX4_CMD_TIME_CLASS_A,
215 MLX4_GET(field, outbox, QUERY_FUNC_BUS_OFFSET);
216 func->bus = field & 0xf;
217 MLX4_GET(field, outbox, QUERY_FUNC_DEVICE_OFFSET);
218 func->device = field & 0xf1;
219 MLX4_GET(field, outbox, QUERY_FUNC_FUNCTION_OFFSET);
220 func->function = field & 0x7;
221 MLX4_GET(field, outbox, QUERY_FUNC_PHYSICAL_FUNCTION_OFFSET);
222 func->physical_function = field & 0xf;
223 MLX4_GET(field16, outbox, QUERY_FUNC_RSVD_EQS_OFFSET);
224 func->rsvd_eqs = field16 & 0xffff;
225 MLX4_GET(field16, outbox, QUERY_FUNC_MAX_EQ_OFFSET);
226 func->max_eq = field16 & 0xffff;
227 MLX4_GET(field, outbox, QUERY_FUNC_RSVD_UARS_OFFSET);
228 func->rsvd_uars = field & 0x0f;
230 mlx4_dbg(dev, "Bus: %d, Device: %d, Function: %d, Physical function: %d, Max EQs: %d, Reserved EQs: %d, Reserved UARs: %d\n",
231 func->bus, func->device, func->function, func->physical_function,
232 func->max_eq, func->rsvd_eqs, func->rsvd_uars);
235 mlx4_free_cmd_mailbox(dev, mailbox);
239 int mlx4_QUERY_FUNC_CAP_wrapper(struct mlx4_dev *dev, int slave,
240 struct mlx4_vhcr *vhcr,
241 struct mlx4_cmd_mailbox *inbox,
242 struct mlx4_cmd_mailbox *outbox,
243 struct mlx4_cmd_info *cmd)
245 struct mlx4_priv *priv = mlx4_priv(dev);
247 u32 size, proxy_qp, qkey;
249 struct mlx4_func func;
251 #define QUERY_FUNC_CAP_FLAGS_OFFSET 0x0
252 #define QUERY_FUNC_CAP_NUM_PORTS_OFFSET 0x1
253 #define QUERY_FUNC_CAP_PF_BHVR_OFFSET 0x4
254 #define QUERY_FUNC_CAP_FMR_OFFSET 0x8
255 #define QUERY_FUNC_CAP_QP_QUOTA_OFFSET_DEP 0x10
256 #define QUERY_FUNC_CAP_CQ_QUOTA_OFFSET_DEP 0x14
257 #define QUERY_FUNC_CAP_SRQ_QUOTA_OFFSET_DEP 0x18
258 #define QUERY_FUNC_CAP_MPT_QUOTA_OFFSET_DEP 0x20
259 #define QUERY_FUNC_CAP_MTT_QUOTA_OFFSET_DEP 0x24
260 #define QUERY_FUNC_CAP_MCG_QUOTA_OFFSET_DEP 0x28
261 #define QUERY_FUNC_CAP_MAX_EQ_OFFSET 0x2c
262 #define QUERY_FUNC_CAP_RESERVED_EQ_OFFSET 0x30
264 #define QUERY_FUNC_CAP_QP_QUOTA_OFFSET 0x50
265 #define QUERY_FUNC_CAP_CQ_QUOTA_OFFSET 0x54
266 #define QUERY_FUNC_CAP_SRQ_QUOTA_OFFSET 0x58
267 #define QUERY_FUNC_CAP_MPT_QUOTA_OFFSET 0x60
268 #define QUERY_FUNC_CAP_MTT_QUOTA_OFFSET 0x64
269 #define QUERY_FUNC_CAP_MCG_QUOTA_OFFSET 0x68
271 #define QUERY_FUNC_CAP_EXTRA_FLAGS_OFFSET 0x6c
273 #define QUERY_FUNC_CAP_FMR_FLAG 0x80
274 #define QUERY_FUNC_CAP_FLAG_RDMA 0x40
275 #define QUERY_FUNC_CAP_FLAG_ETH 0x80
276 #define QUERY_FUNC_CAP_FLAG_QUOTAS 0x10
277 #define QUERY_FUNC_CAP_FLAG_VALID_MAILBOX 0x04
279 #define QUERY_FUNC_CAP_EXTRA_FLAGS_BF_QP_ALLOC_FLAG (1UL << 31)
280 #define QUERY_FUNC_CAP_EXTRA_FLAGS_A0_QP_ALLOC_FLAG (1UL << 30)
282 /* when opcode modifier = 1 */
283 #define QUERY_FUNC_CAP_PHYS_PORT_OFFSET 0x3
284 #define QUERY_FUNC_CAP_PRIV_VF_QKEY_OFFSET 0x4
285 #define QUERY_FUNC_CAP_FLAGS0_OFFSET 0x8
286 #define QUERY_FUNC_CAP_FLAGS1_OFFSET 0xc
288 #define QUERY_FUNC_CAP_QP0_TUNNEL 0x10
289 #define QUERY_FUNC_CAP_QP0_PROXY 0x14
290 #define QUERY_FUNC_CAP_QP1_TUNNEL 0x18
291 #define QUERY_FUNC_CAP_QP1_PROXY 0x1c
292 #define QUERY_FUNC_CAP_PHYS_PORT_ID 0x28
294 #define QUERY_FUNC_CAP_FLAGS1_FORCE_MAC 0x40
295 #define QUERY_FUNC_CAP_FLAGS1_FORCE_VLAN 0x80
296 #define QUERY_FUNC_CAP_FLAGS1_NIC_INFO 0x10
297 #define QUERY_FUNC_CAP_VF_ENABLE_QP0 0x08
299 #define QUERY_FUNC_CAP_FLAGS0_FORCE_PHY_WQE_GID 0x80
300 #define QUERY_FUNC_CAP_SUPPORTS_NON_POWER_OF_2_NUM_EQS (1 << 31)
302 if (vhcr->op_modifier == 1) {
303 struct mlx4_active_ports actv_ports =
304 mlx4_get_active_ports(dev, slave);
305 int converted_port = mlx4_slave_convert_port(
306 dev, slave, vhcr->in_modifier);
308 if (converted_port < 0)
311 vhcr->in_modifier = converted_port;
312 /* phys-port = logical-port */
313 field = vhcr->in_modifier -
314 find_first_bit(actv_ports.ports, dev->caps.num_ports);
315 MLX4_PUT(outbox->buf, field, QUERY_FUNC_CAP_PHYS_PORT_OFFSET);
317 port = vhcr->in_modifier;
318 proxy_qp = dev->phys_caps.base_proxy_sqpn + 8 * slave + port - 1;
320 /* Set nic_info bit to mark new fields support */
321 field = QUERY_FUNC_CAP_FLAGS1_NIC_INFO;
323 if (mlx4_vf_smi_enabled(dev, slave, port) &&
324 !mlx4_get_parav_qkey(dev, proxy_qp, &qkey)) {
325 field |= QUERY_FUNC_CAP_VF_ENABLE_QP0;
326 MLX4_PUT(outbox->buf, qkey,
327 QUERY_FUNC_CAP_PRIV_VF_QKEY_OFFSET);
329 MLX4_PUT(outbox->buf, field, QUERY_FUNC_CAP_FLAGS1_OFFSET);
331 /* size is now the QP number */
332 size = dev->phys_caps.base_tunnel_sqpn + 8 * slave + port - 1;
333 MLX4_PUT(outbox->buf, size, QUERY_FUNC_CAP_QP0_TUNNEL);
336 MLX4_PUT(outbox->buf, size, QUERY_FUNC_CAP_QP1_TUNNEL);
338 MLX4_PUT(outbox->buf, proxy_qp, QUERY_FUNC_CAP_QP0_PROXY);
340 MLX4_PUT(outbox->buf, proxy_qp, QUERY_FUNC_CAP_QP1_PROXY);
342 MLX4_PUT(outbox->buf, dev->caps.phys_port_id[vhcr->in_modifier],
343 QUERY_FUNC_CAP_PHYS_PORT_ID);
345 } else if (vhcr->op_modifier == 0) {
346 struct mlx4_active_ports actv_ports =
347 mlx4_get_active_ports(dev, slave);
348 /* enable rdma and ethernet interfaces, and new quota locations */
349 field = (QUERY_FUNC_CAP_FLAG_ETH | QUERY_FUNC_CAP_FLAG_RDMA |
350 QUERY_FUNC_CAP_FLAG_QUOTAS | QUERY_FUNC_CAP_FLAG_VALID_MAILBOX);
351 MLX4_PUT(outbox->buf, field, QUERY_FUNC_CAP_FLAGS_OFFSET);
354 bitmap_weight(actv_ports.ports, dev->caps.num_ports),
355 dev->caps.num_ports);
356 MLX4_PUT(outbox->buf, field, QUERY_FUNC_CAP_NUM_PORTS_OFFSET);
358 size = dev->caps.function_caps; /* set PF behaviours */
359 MLX4_PUT(outbox->buf, size, QUERY_FUNC_CAP_PF_BHVR_OFFSET);
361 field = 0; /* protected FMR support not available as yet */
362 MLX4_PUT(outbox->buf, field, QUERY_FUNC_CAP_FMR_OFFSET);
364 size = priv->mfunc.master.res_tracker.res_alloc[RES_QP].quota[slave];
365 MLX4_PUT(outbox->buf, size, QUERY_FUNC_CAP_QP_QUOTA_OFFSET);
366 size = dev->caps.num_qps;
367 MLX4_PUT(outbox->buf, size, QUERY_FUNC_CAP_QP_QUOTA_OFFSET_DEP);
369 size = priv->mfunc.master.res_tracker.res_alloc[RES_SRQ].quota[slave];
370 MLX4_PUT(outbox->buf, size, QUERY_FUNC_CAP_SRQ_QUOTA_OFFSET);
371 size = dev->caps.num_srqs;
372 MLX4_PUT(outbox->buf, size, QUERY_FUNC_CAP_SRQ_QUOTA_OFFSET_DEP);
374 size = priv->mfunc.master.res_tracker.res_alloc[RES_CQ].quota[slave];
375 MLX4_PUT(outbox->buf, size, QUERY_FUNC_CAP_CQ_QUOTA_OFFSET);
376 size = dev->caps.num_cqs;
377 MLX4_PUT(outbox->buf, size, QUERY_FUNC_CAP_CQ_QUOTA_OFFSET_DEP);
379 if (!(dev->caps.flags2 & MLX4_DEV_CAP_FLAG2_SYS_EQS) ||
380 mlx4_QUERY_FUNC(dev, &func, slave)) {
381 size = vhcr->in_modifier &
382 QUERY_FUNC_CAP_SUPPORTS_NON_POWER_OF_2_NUM_EQS ?
384 rounddown_pow_of_two(dev->caps.num_eqs);
385 MLX4_PUT(outbox->buf, size, QUERY_FUNC_CAP_MAX_EQ_OFFSET);
386 size = dev->caps.reserved_eqs;
387 MLX4_PUT(outbox->buf, size, QUERY_FUNC_CAP_RESERVED_EQ_OFFSET);
389 size = vhcr->in_modifier &
390 QUERY_FUNC_CAP_SUPPORTS_NON_POWER_OF_2_NUM_EQS ?
392 rounddown_pow_of_two(func.max_eq);
393 MLX4_PUT(outbox->buf, size, QUERY_FUNC_CAP_MAX_EQ_OFFSET);
394 size = func.rsvd_eqs;
395 MLX4_PUT(outbox->buf, size, QUERY_FUNC_CAP_RESERVED_EQ_OFFSET);
398 size = priv->mfunc.master.res_tracker.res_alloc[RES_MPT].quota[slave];
399 MLX4_PUT(outbox->buf, size, QUERY_FUNC_CAP_MPT_QUOTA_OFFSET);
400 size = dev->caps.num_mpts;
401 MLX4_PUT(outbox->buf, size, QUERY_FUNC_CAP_MPT_QUOTA_OFFSET_DEP);
403 size = priv->mfunc.master.res_tracker.res_alloc[RES_MTT].quota[slave];
404 MLX4_PUT(outbox->buf, size, QUERY_FUNC_CAP_MTT_QUOTA_OFFSET);
405 size = dev->caps.num_mtts;
406 MLX4_PUT(outbox->buf, size, QUERY_FUNC_CAP_MTT_QUOTA_OFFSET_DEP);
408 size = dev->caps.num_mgms + dev->caps.num_amgms;
409 MLX4_PUT(outbox->buf, size, QUERY_FUNC_CAP_MCG_QUOTA_OFFSET);
410 MLX4_PUT(outbox->buf, size, QUERY_FUNC_CAP_MCG_QUOTA_OFFSET_DEP);
412 size = QUERY_FUNC_CAP_EXTRA_FLAGS_BF_QP_ALLOC_FLAG |
413 QUERY_FUNC_CAP_EXTRA_FLAGS_A0_QP_ALLOC_FLAG;
414 MLX4_PUT(outbox->buf, size, QUERY_FUNC_CAP_EXTRA_FLAGS_OFFSET);
421 int mlx4_QUERY_FUNC_CAP(struct mlx4_dev *dev, u8 gen_or_port,
422 struct mlx4_func_cap *func_cap)
424 struct mlx4_cmd_mailbox *mailbox;
426 u8 field, op_modifier;
428 int err = 0, quotas = 0;
431 op_modifier = !!gen_or_port; /* 0 = general, 1 = logical port */
432 in_modifier = op_modifier ? gen_or_port :
433 QUERY_FUNC_CAP_SUPPORTS_NON_POWER_OF_2_NUM_EQS;
435 mailbox = mlx4_alloc_cmd_mailbox(dev);
437 return PTR_ERR(mailbox);
439 err = mlx4_cmd_box(dev, 0, mailbox->dma, in_modifier, op_modifier,
440 MLX4_CMD_QUERY_FUNC_CAP,
441 MLX4_CMD_TIME_CLASS_A, MLX4_CMD_WRAPPED);
445 outbox = mailbox->buf;
448 MLX4_GET(field, outbox, QUERY_FUNC_CAP_FLAGS_OFFSET);
449 if (!(field & (QUERY_FUNC_CAP_FLAG_ETH | QUERY_FUNC_CAP_FLAG_RDMA))) {
450 mlx4_err(dev, "The host supports neither eth nor rdma interfaces\n");
451 err = -EPROTONOSUPPORT;
454 func_cap->flags = field;
455 quotas = !!(func_cap->flags & QUERY_FUNC_CAP_FLAG_QUOTAS);
457 MLX4_GET(field, outbox, QUERY_FUNC_CAP_NUM_PORTS_OFFSET);
458 func_cap->num_ports = field;
460 MLX4_GET(size, outbox, QUERY_FUNC_CAP_PF_BHVR_OFFSET);
461 func_cap->pf_context_behaviour = size;
464 MLX4_GET(size, outbox, QUERY_FUNC_CAP_QP_QUOTA_OFFSET);
465 func_cap->qp_quota = size & 0xFFFFFF;
467 MLX4_GET(size, outbox, QUERY_FUNC_CAP_SRQ_QUOTA_OFFSET);
468 func_cap->srq_quota = size & 0xFFFFFF;
470 MLX4_GET(size, outbox, QUERY_FUNC_CAP_CQ_QUOTA_OFFSET);
471 func_cap->cq_quota = size & 0xFFFFFF;
473 MLX4_GET(size, outbox, QUERY_FUNC_CAP_MPT_QUOTA_OFFSET);
474 func_cap->mpt_quota = size & 0xFFFFFF;
476 MLX4_GET(size, outbox, QUERY_FUNC_CAP_MTT_QUOTA_OFFSET);
477 func_cap->mtt_quota = size & 0xFFFFFF;
479 MLX4_GET(size, outbox, QUERY_FUNC_CAP_MCG_QUOTA_OFFSET);
480 func_cap->mcg_quota = size & 0xFFFFFF;
483 MLX4_GET(size, outbox, QUERY_FUNC_CAP_QP_QUOTA_OFFSET_DEP);
484 func_cap->qp_quota = size & 0xFFFFFF;
486 MLX4_GET(size, outbox, QUERY_FUNC_CAP_SRQ_QUOTA_OFFSET_DEP);
487 func_cap->srq_quota = size & 0xFFFFFF;
489 MLX4_GET(size, outbox, QUERY_FUNC_CAP_CQ_QUOTA_OFFSET_DEP);
490 func_cap->cq_quota = size & 0xFFFFFF;
492 MLX4_GET(size, outbox, QUERY_FUNC_CAP_MPT_QUOTA_OFFSET_DEP);
493 func_cap->mpt_quota = size & 0xFFFFFF;
495 MLX4_GET(size, outbox, QUERY_FUNC_CAP_MTT_QUOTA_OFFSET_DEP);
496 func_cap->mtt_quota = size & 0xFFFFFF;
498 MLX4_GET(size, outbox, QUERY_FUNC_CAP_MCG_QUOTA_OFFSET_DEP);
499 func_cap->mcg_quota = size & 0xFFFFFF;
501 MLX4_GET(size, outbox, QUERY_FUNC_CAP_MAX_EQ_OFFSET);
502 func_cap->max_eq = size & 0xFFFFFF;
504 MLX4_GET(size, outbox, QUERY_FUNC_CAP_RESERVED_EQ_OFFSET);
505 func_cap->reserved_eq = size & 0xFFFFFF;
507 func_cap->extra_flags = 0;
509 /* Mailbox data from 0x6c and onward should only be treated if
510 * QUERY_FUNC_CAP_FLAG_VALID_MAILBOX is set in func_cap->flags
512 if (func_cap->flags & QUERY_FUNC_CAP_FLAG_VALID_MAILBOX) {
513 MLX4_GET(size, outbox, QUERY_FUNC_CAP_EXTRA_FLAGS_OFFSET);
514 if (size & QUERY_FUNC_CAP_EXTRA_FLAGS_BF_QP_ALLOC_FLAG)
515 func_cap->extra_flags |= MLX4_QUERY_FUNC_FLAGS_BF_RES_QP;
516 if (size & QUERY_FUNC_CAP_EXTRA_FLAGS_A0_QP_ALLOC_FLAG)
517 func_cap->extra_flags |= MLX4_QUERY_FUNC_FLAGS_A0_RES_QP;
523 /* logical port query */
524 if (gen_or_port > dev->caps.num_ports) {
529 MLX4_GET(func_cap->flags1, outbox, QUERY_FUNC_CAP_FLAGS1_OFFSET);
530 if (dev->caps.port_type[gen_or_port] == MLX4_PORT_TYPE_ETH) {
531 if (func_cap->flags1 & QUERY_FUNC_CAP_FLAGS1_FORCE_VLAN) {
532 mlx4_err(dev, "VLAN is enforced on this port\n");
533 err = -EPROTONOSUPPORT;
537 if (func_cap->flags1 & QUERY_FUNC_CAP_FLAGS1_FORCE_MAC) {
538 mlx4_err(dev, "Force mac is enabled on this port\n");
539 err = -EPROTONOSUPPORT;
542 } else if (dev->caps.port_type[gen_or_port] == MLX4_PORT_TYPE_IB) {
543 MLX4_GET(field, outbox, QUERY_FUNC_CAP_FLAGS0_OFFSET);
544 if (field & QUERY_FUNC_CAP_FLAGS0_FORCE_PHY_WQE_GID) {
545 mlx4_err(dev, "phy_wqe_gid is enforced on this ib port\n");
546 err = -EPROTONOSUPPORT;
551 MLX4_GET(field, outbox, QUERY_FUNC_CAP_PHYS_PORT_OFFSET);
552 func_cap->physical_port = field;
553 if (func_cap->physical_port != gen_or_port) {
558 if (func_cap->flags1 & QUERY_FUNC_CAP_VF_ENABLE_QP0) {
559 MLX4_GET(qkey, outbox, QUERY_FUNC_CAP_PRIV_VF_QKEY_OFFSET);
560 func_cap->qp0_qkey = qkey;
562 func_cap->qp0_qkey = 0;
565 MLX4_GET(size, outbox, QUERY_FUNC_CAP_QP0_TUNNEL);
566 func_cap->qp0_tunnel_qpn = size & 0xFFFFFF;
568 MLX4_GET(size, outbox, QUERY_FUNC_CAP_QP0_PROXY);
569 func_cap->qp0_proxy_qpn = size & 0xFFFFFF;
571 MLX4_GET(size, outbox, QUERY_FUNC_CAP_QP1_TUNNEL);
572 func_cap->qp1_tunnel_qpn = size & 0xFFFFFF;
574 MLX4_GET(size, outbox, QUERY_FUNC_CAP_QP1_PROXY);
575 func_cap->qp1_proxy_qpn = size & 0xFFFFFF;
577 if (func_cap->flags1 & QUERY_FUNC_CAP_FLAGS1_NIC_INFO)
578 MLX4_GET(func_cap->phys_port_id, outbox,
579 QUERY_FUNC_CAP_PHYS_PORT_ID);
581 /* All other resources are allocated by the master, but we still report
582 * 'num' and 'reserved' capabilities as follows:
583 * - num remains the maximum resource index
584 * - 'num - reserved' is the total available objects of a resource, but
585 * resource indices may be less than 'reserved'
586 * TODO: set per-resource quotas */
589 mlx4_free_cmd_mailbox(dev, mailbox);
594 int mlx4_QUERY_DEV_CAP(struct mlx4_dev *dev, struct mlx4_dev_cap *dev_cap)
596 struct mlx4_cmd_mailbox *mailbox;
599 u32 field32, flags, ext_flags;
605 #define QUERY_DEV_CAP_OUT_SIZE 0x100
606 #define QUERY_DEV_CAP_MAX_SRQ_SZ_OFFSET 0x10
607 #define QUERY_DEV_CAP_MAX_QP_SZ_OFFSET 0x11
608 #define QUERY_DEV_CAP_RSVD_QP_OFFSET 0x12
609 #define QUERY_DEV_CAP_MAX_QP_OFFSET 0x13
610 #define QUERY_DEV_CAP_RSVD_SRQ_OFFSET 0x14
611 #define QUERY_DEV_CAP_MAX_SRQ_OFFSET 0x15
612 #define QUERY_DEV_CAP_RSVD_EEC_OFFSET 0x16
613 #define QUERY_DEV_CAP_MAX_EEC_OFFSET 0x17
614 #define QUERY_DEV_CAP_MAX_CQ_SZ_OFFSET 0x19
615 #define QUERY_DEV_CAP_RSVD_CQ_OFFSET 0x1a
616 #define QUERY_DEV_CAP_MAX_CQ_OFFSET 0x1b
617 #define QUERY_DEV_CAP_MAX_MPT_OFFSET 0x1d
618 #define QUERY_DEV_CAP_RSVD_EQ_OFFSET 0x1e
619 #define QUERY_DEV_CAP_MAX_EQ_OFFSET 0x1f
620 #define QUERY_DEV_CAP_RSVD_MTT_OFFSET 0x20
621 #define QUERY_DEV_CAP_MAX_MRW_SZ_OFFSET 0x21
622 #define QUERY_DEV_CAP_RSVD_MRW_OFFSET 0x22
623 #define QUERY_DEV_CAP_MAX_MTT_SEG_OFFSET 0x23
624 #define QUERY_DEV_CAP_NUM_SYS_EQ_OFFSET 0x26
625 #define QUERY_DEV_CAP_MAX_AV_OFFSET 0x27
626 #define QUERY_DEV_CAP_MAX_REQ_QP_OFFSET 0x29
627 #define QUERY_DEV_CAP_MAX_RES_QP_OFFSET 0x2b
628 #define QUERY_DEV_CAP_MAX_GSO_OFFSET 0x2d
629 #define QUERY_DEV_CAP_RSS_OFFSET 0x2e
630 #define QUERY_DEV_CAP_MAX_RDMA_OFFSET 0x2f
631 #define QUERY_DEV_CAP_RSZ_SRQ_OFFSET 0x33
632 #define QUERY_DEV_CAP_ACK_DELAY_OFFSET 0x35
633 #define QUERY_DEV_CAP_MTU_WIDTH_OFFSET 0x36
634 #define QUERY_DEV_CAP_VL_PORT_OFFSET 0x37
635 #define QUERY_DEV_CAP_MAX_MSG_SZ_OFFSET 0x38
636 #define QUERY_DEV_CAP_MAX_GID_OFFSET 0x3b
637 #define QUERY_DEV_CAP_RATE_SUPPORT_OFFSET 0x3c
638 #define QUERY_DEV_CAP_CQ_TS_SUPPORT_OFFSET 0x3e
639 #define QUERY_DEV_CAP_MAX_PKEY_OFFSET 0x3f
640 #define QUERY_DEV_CAP_EXT_FLAGS_OFFSET 0x40
641 #define QUERY_DEV_CAP_FLAGS_OFFSET 0x44
642 #define QUERY_DEV_CAP_RSVD_UAR_OFFSET 0x48
643 #define QUERY_DEV_CAP_UAR_SZ_OFFSET 0x49
644 #define QUERY_DEV_CAP_PAGE_SZ_OFFSET 0x4b
645 #define QUERY_DEV_CAP_BF_OFFSET 0x4c
646 #define QUERY_DEV_CAP_LOG_BF_REG_SZ_OFFSET 0x4d
647 #define QUERY_DEV_CAP_LOG_MAX_BF_REGS_PER_PAGE_OFFSET 0x4e
648 #define QUERY_DEV_CAP_LOG_MAX_BF_PAGES_OFFSET 0x4f
649 #define QUERY_DEV_CAP_MAX_SG_SQ_OFFSET 0x51
650 #define QUERY_DEV_CAP_MAX_DESC_SZ_SQ_OFFSET 0x52
651 #define QUERY_DEV_CAP_MAX_SG_RQ_OFFSET 0x55
652 #define QUERY_DEV_CAP_MAX_DESC_SZ_RQ_OFFSET 0x56
653 #define QUERY_DEV_CAP_MAX_QP_MCG_OFFSET 0x61
654 #define QUERY_DEV_CAP_RSVD_MCG_OFFSET 0x62
655 #define QUERY_DEV_CAP_MAX_MCG_OFFSET 0x63
656 #define QUERY_DEV_CAP_RSVD_PD_OFFSET 0x64
657 #define QUERY_DEV_CAP_MAX_PD_OFFSET 0x65
658 #define QUERY_DEV_CAP_RSVD_XRC_OFFSET 0x66
659 #define QUERY_DEV_CAP_MAX_XRC_OFFSET 0x67
660 #define QUERY_DEV_CAP_MAX_COUNTERS_OFFSET 0x68
661 #define QUERY_DEV_CAP_EXT_2_FLAGS_OFFSET 0x70
662 #define QUERY_DEV_CAP_FLOW_STEERING_IPOIB_OFFSET 0x74
663 #define QUERY_DEV_CAP_FLOW_STEERING_RANGE_EN_OFFSET 0x76
664 #define QUERY_DEV_CAP_FLOW_STEERING_MAX_QP_OFFSET 0x77
665 #define QUERY_DEV_CAP_CQ_EQ_CACHE_LINE_STRIDE 0x7a
666 #define QUERY_DEV_CAP_ETH_PROT_CTRL_OFFSET 0x7a
667 #define QUERY_DEV_CAP_RDMARC_ENTRY_SZ_OFFSET 0x80
668 #define QUERY_DEV_CAP_QPC_ENTRY_SZ_OFFSET 0x82
669 #define QUERY_DEV_CAP_AUX_ENTRY_SZ_OFFSET 0x84
670 #define QUERY_DEV_CAP_ALTC_ENTRY_SZ_OFFSET 0x86
671 #define QUERY_DEV_CAP_EQC_ENTRY_SZ_OFFSET 0x88
672 #define QUERY_DEV_CAP_CQC_ENTRY_SZ_OFFSET 0x8a
673 #define QUERY_DEV_CAP_SRQ_ENTRY_SZ_OFFSET 0x8c
674 #define QUERY_DEV_CAP_C_MPT_ENTRY_SZ_OFFSET 0x8e
675 #define QUERY_DEV_CAP_MTT_ENTRY_SZ_OFFSET 0x90
676 #define QUERY_DEV_CAP_D_MPT_ENTRY_SZ_OFFSET 0x92
677 #define QUERY_DEV_CAP_BMME_FLAGS_OFFSET 0x94
678 #define QUERY_DEV_CAP_CONFIG_DEV_OFFSET 0x94
679 #define QUERY_DEV_CAP_RSVD_LKEY_OFFSET 0x98
680 #define QUERY_DEV_CAP_MAX_ICM_SZ_OFFSET 0xa0
681 #define QUERY_DEV_CAP_ETH_BACKPL_OFFSET 0x9c
682 #define QUERY_DEV_CAP_FW_REASSIGN_MAC 0x9d
683 #define QUERY_DEV_CAP_VXLAN 0x9e
684 #define QUERY_DEV_CAP_MAD_DEMUX_OFFSET 0xb0
685 #define QUERY_DEV_CAP_DMFS_HIGH_RATE_QPN_BASE_OFFSET 0xa8
686 #define QUERY_DEV_CAP_DMFS_HIGH_RATE_QPN_RANGE_OFFSET 0xac
689 mailbox = mlx4_alloc_cmd_mailbox(dev);
691 return PTR_ERR(mailbox);
692 outbox = mailbox->buf;
694 err = mlx4_cmd_box(dev, 0, mailbox->dma, 0, 0, MLX4_CMD_QUERY_DEV_CAP,
695 MLX4_CMD_TIME_CLASS_A, MLX4_CMD_NATIVE);
699 MLX4_GET(field, outbox, QUERY_DEV_CAP_RSVD_QP_OFFSET);
700 dev_cap->reserved_qps = 1 << (field & 0xf);
701 MLX4_GET(field, outbox, QUERY_DEV_CAP_MAX_QP_OFFSET);
702 dev_cap->max_qps = 1 << (field & 0x1f);
703 MLX4_GET(field, outbox, QUERY_DEV_CAP_RSVD_SRQ_OFFSET);
704 dev_cap->reserved_srqs = 1 << (field >> 4);
705 MLX4_GET(field, outbox, QUERY_DEV_CAP_MAX_SRQ_OFFSET);
706 dev_cap->max_srqs = 1 << (field & 0x1f);
707 MLX4_GET(field, outbox, QUERY_DEV_CAP_MAX_CQ_SZ_OFFSET);
708 dev_cap->max_cq_sz = 1 << field;
709 MLX4_GET(field, outbox, QUERY_DEV_CAP_RSVD_CQ_OFFSET);
710 dev_cap->reserved_cqs = 1 << (field & 0xf);
711 MLX4_GET(field, outbox, QUERY_DEV_CAP_MAX_CQ_OFFSET);
712 dev_cap->max_cqs = 1 << (field & 0x1f);
713 MLX4_GET(field, outbox, QUERY_DEV_CAP_MAX_MPT_OFFSET);
714 dev_cap->max_mpts = 1 << (field & 0x3f);
715 MLX4_GET(field, outbox, QUERY_DEV_CAP_RSVD_EQ_OFFSET);
716 dev_cap->reserved_eqs = 1 << (field & 0xf);
717 MLX4_GET(field, outbox, QUERY_DEV_CAP_MAX_EQ_OFFSET);
718 dev_cap->max_eqs = 1 << (field & 0xf);
719 MLX4_GET(field, outbox, QUERY_DEV_CAP_RSVD_MTT_OFFSET);
720 dev_cap->reserved_mtts = 1 << (field >> 4);
721 MLX4_GET(field, outbox, QUERY_DEV_CAP_MAX_MRW_SZ_OFFSET);
722 dev_cap->max_mrw_sz = 1 << field;
723 MLX4_GET(field, outbox, QUERY_DEV_CAP_RSVD_MRW_OFFSET);
724 dev_cap->reserved_mrws = 1 << (field & 0xf);
725 MLX4_GET(field, outbox, QUERY_DEV_CAP_MAX_MTT_SEG_OFFSET);
726 dev_cap->max_mtt_seg = 1 << (field & 0x3f);
727 MLX4_GET(size, outbox, QUERY_DEV_CAP_NUM_SYS_EQ_OFFSET);
728 dev_cap->num_sys_eqs = size & 0xfff;
729 MLX4_GET(field, outbox, QUERY_DEV_CAP_MAX_REQ_QP_OFFSET);
730 dev_cap->max_requester_per_qp = 1 << (field & 0x3f);
731 MLX4_GET(field, outbox, QUERY_DEV_CAP_MAX_RES_QP_OFFSET);
732 dev_cap->max_responder_per_qp = 1 << (field & 0x3f);
733 MLX4_GET(field, outbox, QUERY_DEV_CAP_MAX_GSO_OFFSET);
736 dev_cap->max_gso_sz = 0;
738 dev_cap->max_gso_sz = 1 << field;
740 MLX4_GET(field, outbox, QUERY_DEV_CAP_RSS_OFFSET);
742 dev_cap->flags2 |= MLX4_DEV_CAP_FLAG2_RSS_XOR;
744 dev_cap->flags2 |= MLX4_DEV_CAP_FLAG2_RSS_TOP;
747 dev_cap->flags2 |= MLX4_DEV_CAP_FLAG2_RSS;
748 dev_cap->max_rss_tbl_sz = 1 << field;
750 dev_cap->max_rss_tbl_sz = 0;
751 MLX4_GET(field, outbox, QUERY_DEV_CAP_MAX_RDMA_OFFSET);
752 dev_cap->max_rdma_global = 1 << (field & 0x3f);
753 MLX4_GET(field, outbox, QUERY_DEV_CAP_ACK_DELAY_OFFSET);
754 dev_cap->local_ca_ack_delay = field & 0x1f;
755 MLX4_GET(field, outbox, QUERY_DEV_CAP_VL_PORT_OFFSET);
756 dev_cap->num_ports = field & 0xf;
757 MLX4_GET(field, outbox, QUERY_DEV_CAP_MAX_MSG_SZ_OFFSET);
758 dev_cap->max_msg_sz = 1 << (field & 0x1f);
759 MLX4_GET(field, outbox, QUERY_DEV_CAP_FLOW_STEERING_RANGE_EN_OFFSET);
761 dev_cap->flags2 |= MLX4_DEV_CAP_FLAG2_FS_EN;
762 dev_cap->fs_log_max_ucast_qp_range_size = field & 0x1f;
763 MLX4_GET(field, outbox, QUERY_DEV_CAP_FLOW_STEERING_IPOIB_OFFSET);
765 dev_cap->flags2 |= MLX4_DEV_CAP_FLAG2_DMFS_IPOIB;
766 MLX4_GET(field, outbox, QUERY_DEV_CAP_FLOW_STEERING_MAX_QP_OFFSET);
767 dev_cap->fs_max_num_qp_per_entry = field;
768 MLX4_GET(stat_rate, outbox, QUERY_DEV_CAP_RATE_SUPPORT_OFFSET);
769 dev_cap->stat_rate_support = stat_rate;
770 MLX4_GET(field, outbox, QUERY_DEV_CAP_CQ_TS_SUPPORT_OFFSET);
772 dev_cap->flags2 |= MLX4_DEV_CAP_FLAG2_TS;
773 MLX4_GET(ext_flags, outbox, QUERY_DEV_CAP_EXT_FLAGS_OFFSET);
774 MLX4_GET(flags, outbox, QUERY_DEV_CAP_FLAGS_OFFSET);
775 dev_cap->flags = flags | (u64)ext_flags << 32;
776 MLX4_GET(field, outbox, QUERY_DEV_CAP_RSVD_UAR_OFFSET);
777 dev_cap->reserved_uars = field >> 4;
778 MLX4_GET(field, outbox, QUERY_DEV_CAP_UAR_SZ_OFFSET);
779 dev_cap->uar_size = 1 << ((field & 0x3f) + 20);
780 MLX4_GET(field, outbox, QUERY_DEV_CAP_PAGE_SZ_OFFSET);
781 dev_cap->min_page_sz = 1 << field;
783 MLX4_GET(field, outbox, QUERY_DEV_CAP_BF_OFFSET);
785 MLX4_GET(field, outbox, QUERY_DEV_CAP_LOG_BF_REG_SZ_OFFSET);
786 dev_cap->bf_reg_size = 1 << (field & 0x1f);
787 MLX4_GET(field, outbox, QUERY_DEV_CAP_LOG_MAX_BF_REGS_PER_PAGE_OFFSET);
788 if ((1 << (field & 0x3f)) > (PAGE_SIZE / dev_cap->bf_reg_size))
790 dev_cap->bf_regs_per_page = 1 << (field & 0x3f);
792 dev_cap->bf_reg_size = 0;
795 MLX4_GET(field, outbox, QUERY_DEV_CAP_MAX_SG_SQ_OFFSET);
796 dev_cap->max_sq_sg = field;
797 MLX4_GET(size, outbox, QUERY_DEV_CAP_MAX_DESC_SZ_SQ_OFFSET);
798 dev_cap->max_sq_desc_sz = size;
800 MLX4_GET(field, outbox, QUERY_DEV_CAP_MAX_QP_MCG_OFFSET);
801 dev_cap->max_qp_per_mcg = 1 << field;
802 MLX4_GET(field, outbox, QUERY_DEV_CAP_RSVD_MCG_OFFSET);
803 dev_cap->reserved_mgms = field & 0xf;
804 MLX4_GET(field, outbox, QUERY_DEV_CAP_MAX_MCG_OFFSET);
805 dev_cap->max_mcgs = 1 << field;
806 MLX4_GET(field, outbox, QUERY_DEV_CAP_RSVD_PD_OFFSET);
807 dev_cap->reserved_pds = field >> 4;
808 MLX4_GET(field, outbox, QUERY_DEV_CAP_MAX_PD_OFFSET);
809 dev_cap->max_pds = 1 << (field & 0x3f);
810 MLX4_GET(field, outbox, QUERY_DEV_CAP_RSVD_XRC_OFFSET);
811 dev_cap->reserved_xrcds = field >> 4;
812 MLX4_GET(field, outbox, QUERY_DEV_CAP_MAX_XRC_OFFSET);
813 dev_cap->max_xrcds = 1 << (field & 0x1f);
815 MLX4_GET(size, outbox, QUERY_DEV_CAP_RDMARC_ENTRY_SZ_OFFSET);
816 dev_cap->rdmarc_entry_sz = size;
817 MLX4_GET(size, outbox, QUERY_DEV_CAP_QPC_ENTRY_SZ_OFFSET);
818 dev_cap->qpc_entry_sz = size;
819 MLX4_GET(size, outbox, QUERY_DEV_CAP_AUX_ENTRY_SZ_OFFSET);
820 dev_cap->aux_entry_sz = size;
821 MLX4_GET(size, outbox, QUERY_DEV_CAP_ALTC_ENTRY_SZ_OFFSET);
822 dev_cap->altc_entry_sz = size;
823 MLX4_GET(size, outbox, QUERY_DEV_CAP_EQC_ENTRY_SZ_OFFSET);
824 dev_cap->eqc_entry_sz = size;
825 MLX4_GET(size, outbox, QUERY_DEV_CAP_CQC_ENTRY_SZ_OFFSET);
826 dev_cap->cqc_entry_sz = size;
827 MLX4_GET(size, outbox, QUERY_DEV_CAP_SRQ_ENTRY_SZ_OFFSET);
828 dev_cap->srq_entry_sz = size;
829 MLX4_GET(size, outbox, QUERY_DEV_CAP_C_MPT_ENTRY_SZ_OFFSET);
830 dev_cap->cmpt_entry_sz = size;
831 MLX4_GET(size, outbox, QUERY_DEV_CAP_MTT_ENTRY_SZ_OFFSET);
832 dev_cap->mtt_entry_sz = size;
833 MLX4_GET(size, outbox, QUERY_DEV_CAP_D_MPT_ENTRY_SZ_OFFSET);
834 dev_cap->dmpt_entry_sz = size;
836 MLX4_GET(field, outbox, QUERY_DEV_CAP_MAX_SRQ_SZ_OFFSET);
837 dev_cap->max_srq_sz = 1 << field;
838 MLX4_GET(field, outbox, QUERY_DEV_CAP_MAX_QP_SZ_OFFSET);
839 dev_cap->max_qp_sz = 1 << field;
840 MLX4_GET(field, outbox, QUERY_DEV_CAP_RSZ_SRQ_OFFSET);
841 dev_cap->resize_srq = field & 1;
842 MLX4_GET(field, outbox, QUERY_DEV_CAP_MAX_SG_RQ_OFFSET);
843 dev_cap->max_rq_sg = field;
844 MLX4_GET(size, outbox, QUERY_DEV_CAP_MAX_DESC_SZ_RQ_OFFSET);
845 dev_cap->max_rq_desc_sz = size;
846 MLX4_GET(field, outbox, QUERY_DEV_CAP_CQ_EQ_CACHE_LINE_STRIDE);
847 if (field & (1 << 5))
848 dev_cap->flags2 |= MLX4_DEV_CAP_FLAG2_ETH_PROT_CTRL;
849 if (field & (1 << 6))
850 dev_cap->flags2 |= MLX4_DEV_CAP_FLAG2_CQE_STRIDE;
851 if (field & (1 << 7))
852 dev_cap->flags2 |= MLX4_DEV_CAP_FLAG2_EQE_STRIDE;
853 MLX4_GET(dev_cap->bmme_flags, outbox,
854 QUERY_DEV_CAP_BMME_FLAGS_OFFSET);
855 MLX4_GET(field, outbox, QUERY_DEV_CAP_CONFIG_DEV_OFFSET);
857 dev_cap->flags2 |= MLX4_DEV_CAP_FLAG2_CONFIG_DEV;
858 MLX4_GET(dev_cap->reserved_lkey, outbox,
859 QUERY_DEV_CAP_RSVD_LKEY_OFFSET);
860 MLX4_GET(field32, outbox, QUERY_DEV_CAP_ETH_BACKPL_OFFSET);
861 if (field32 & (1 << 0))
862 dev_cap->flags2 |= MLX4_DEV_CAP_FLAG2_ETH_BACKPL_AN_REP;
863 if (field32 & (1 << 7))
864 dev_cap->flags2 |= MLX4_DEV_CAP_FLAG2_RECOVERABLE_ERROR_EVENT;
865 MLX4_GET(field, outbox, QUERY_DEV_CAP_FW_REASSIGN_MAC);
867 dev_cap->flags2 |= MLX4_DEV_CAP_FLAG2_REASSIGN_MAC_EN;
868 MLX4_GET(field, outbox, QUERY_DEV_CAP_VXLAN);
870 dev_cap->flags2 |= MLX4_DEV_CAP_FLAG2_VXLAN_OFFLOADS;
871 MLX4_GET(dev_cap->max_icm_sz, outbox,
872 QUERY_DEV_CAP_MAX_ICM_SZ_OFFSET);
873 if (dev_cap->flags & MLX4_DEV_CAP_FLAG_COUNTERS)
874 MLX4_GET(dev_cap->max_counters, outbox,
875 QUERY_DEV_CAP_MAX_COUNTERS_OFFSET);
877 MLX4_GET(field32, outbox,
878 QUERY_DEV_CAP_MAD_DEMUX_OFFSET);
879 if (field32 & (1 << 0))
880 dev_cap->flags2 |= MLX4_DEV_CAP_FLAG2_MAD_DEMUX;
882 MLX4_GET(dev_cap->dmfs_high_rate_qpn_base, outbox,
883 QUERY_DEV_CAP_DMFS_HIGH_RATE_QPN_BASE_OFFSET);
884 dev_cap->dmfs_high_rate_qpn_base &= MGM_QPN_MASK;
885 MLX4_GET(dev_cap->dmfs_high_rate_qpn_range, outbox,
886 QUERY_DEV_CAP_DMFS_HIGH_RATE_QPN_RANGE_OFFSET);
887 dev_cap->dmfs_high_rate_qpn_range &= MGM_QPN_MASK;
889 MLX4_GET(field32, outbox, QUERY_DEV_CAP_EXT_2_FLAGS_OFFSET);
890 if (field32 & (1 << 16))
891 dev_cap->flags2 |= MLX4_DEV_CAP_FLAG2_UPDATE_QP;
892 if (field32 & (1 << 26))
893 dev_cap->flags2 |= MLX4_DEV_CAP_FLAG2_VLAN_CONTROL;
894 if (field32 & (1 << 20))
895 dev_cap->flags2 |= MLX4_DEV_CAP_FLAG2_FSM;
896 if (field32 & (1 << 21))
897 dev_cap->flags2 |= MLX4_DEV_CAP_FLAG2_80_VFS;
899 for (i = 1; i <= dev_cap->num_ports; i++) {
900 err = mlx4_QUERY_PORT(dev, i, dev_cap->port_cap + i);
906 * Each UAR has 4 EQ doorbells; so if a UAR is reserved, then
907 * we can't use any EQs whose doorbell falls on that page,
908 * even if the EQ itself isn't reserved.
910 if (dev_cap->num_sys_eqs == 0)
911 dev_cap->reserved_eqs = max(dev_cap->reserved_uars * 4,
912 dev_cap->reserved_eqs);
914 dev_cap->flags2 |= MLX4_DEV_CAP_FLAG2_SYS_EQS;
917 mlx4_free_cmd_mailbox(dev, mailbox);
921 void mlx4_dev_cap_dump(struct mlx4_dev *dev, struct mlx4_dev_cap *dev_cap)
923 if (dev_cap->bf_reg_size > 0)
924 mlx4_dbg(dev, "BlueFlame available (reg size %d, regs/page %d)\n",
925 dev_cap->bf_reg_size, dev_cap->bf_regs_per_page);
927 mlx4_dbg(dev, "BlueFlame not available\n");
929 mlx4_dbg(dev, "Base MM extensions: flags %08x, rsvd L_Key %08x\n",
930 dev_cap->bmme_flags, dev_cap->reserved_lkey);
931 mlx4_dbg(dev, "Max ICM size %lld MB\n",
932 (unsigned long long) dev_cap->max_icm_sz >> 20);
933 mlx4_dbg(dev, "Max QPs: %d, reserved QPs: %d, entry size: %d\n",
934 dev_cap->max_qps, dev_cap->reserved_qps, dev_cap->qpc_entry_sz);
935 mlx4_dbg(dev, "Max SRQs: %d, reserved SRQs: %d, entry size: %d\n",
936 dev_cap->max_srqs, dev_cap->reserved_srqs, dev_cap->srq_entry_sz);
937 mlx4_dbg(dev, "Max CQs: %d, reserved CQs: %d, entry size: %d\n",
938 dev_cap->max_cqs, dev_cap->reserved_cqs, dev_cap->cqc_entry_sz);
939 mlx4_dbg(dev, "Num sys EQs: %d, max EQs: %d, reserved EQs: %d, entry size: %d\n",
940 dev_cap->num_sys_eqs, dev_cap->max_eqs, dev_cap->reserved_eqs,
941 dev_cap->eqc_entry_sz);
942 mlx4_dbg(dev, "reserved MPTs: %d, reserved MTTs: %d\n",
943 dev_cap->reserved_mrws, dev_cap->reserved_mtts);
944 mlx4_dbg(dev, "Max PDs: %d, reserved PDs: %d, reserved UARs: %d\n",
945 dev_cap->max_pds, dev_cap->reserved_pds, dev_cap->reserved_uars);
946 mlx4_dbg(dev, "Max QP/MCG: %d, reserved MGMs: %d\n",
947 dev_cap->max_pds, dev_cap->reserved_mgms);
948 mlx4_dbg(dev, "Max CQEs: %d, max WQEs: %d, max SRQ WQEs: %d\n",
949 dev_cap->max_cq_sz, dev_cap->max_qp_sz, dev_cap->max_srq_sz);
950 mlx4_dbg(dev, "Local CA ACK delay: %d, max MTU: %d, port width cap: %d\n",
951 dev_cap->local_ca_ack_delay, 128 << dev_cap->port_cap[1].ib_mtu,
952 dev_cap->port_cap[1].max_port_width);
953 mlx4_dbg(dev, "Max SQ desc size: %d, max SQ S/G: %d\n",
954 dev_cap->max_sq_desc_sz, dev_cap->max_sq_sg);
955 mlx4_dbg(dev, "Max RQ desc size: %d, max RQ S/G: %d\n",
956 dev_cap->max_rq_desc_sz, dev_cap->max_rq_sg);
957 mlx4_dbg(dev, "Max GSO size: %d\n", dev_cap->max_gso_sz);
958 mlx4_dbg(dev, "Max counters: %d\n", dev_cap->max_counters);
959 mlx4_dbg(dev, "Max RSS Table size: %d\n", dev_cap->max_rss_tbl_sz);
960 mlx4_dbg(dev, "DMFS high rate steer QPn base: %d\n",
961 dev_cap->dmfs_high_rate_qpn_base);
962 mlx4_dbg(dev, "DMFS high rate steer QPn range: %d\n",
963 dev_cap->dmfs_high_rate_qpn_range);
964 dump_dev_cap_flags(dev, dev_cap->flags);
965 dump_dev_cap_flags2(dev, dev_cap->flags2);
968 int mlx4_QUERY_PORT(struct mlx4_dev *dev, int port, struct mlx4_port_cap *port_cap)
970 struct mlx4_cmd_mailbox *mailbox;
976 mailbox = mlx4_alloc_cmd_mailbox(dev);
978 return PTR_ERR(mailbox);
979 outbox = mailbox->buf;
981 if (dev->flags & MLX4_FLAG_OLD_PORT_CMDS) {
982 err = mlx4_cmd_box(dev, 0, mailbox->dma, 0, 0, MLX4_CMD_QUERY_DEV_CAP,
983 MLX4_CMD_TIME_CLASS_A,
989 MLX4_GET(field, outbox, QUERY_DEV_CAP_VL_PORT_OFFSET);
990 port_cap->max_vl = field >> 4;
991 MLX4_GET(field, outbox, QUERY_DEV_CAP_MTU_WIDTH_OFFSET);
992 port_cap->ib_mtu = field >> 4;
993 port_cap->max_port_width = field & 0xf;
994 MLX4_GET(field, outbox, QUERY_DEV_CAP_MAX_GID_OFFSET);
995 port_cap->max_gids = 1 << (field & 0xf);
996 MLX4_GET(field, outbox, QUERY_DEV_CAP_MAX_PKEY_OFFSET);
997 port_cap->max_pkeys = 1 << (field & 0xf);
999 #define QUERY_PORT_SUPPORTED_TYPE_OFFSET 0x00
1000 #define QUERY_PORT_MTU_OFFSET 0x01
1001 #define QUERY_PORT_ETH_MTU_OFFSET 0x02
1002 #define QUERY_PORT_WIDTH_OFFSET 0x06
1003 #define QUERY_PORT_MAX_GID_PKEY_OFFSET 0x07
1004 #define QUERY_PORT_MAX_MACVLAN_OFFSET 0x0a
1005 #define QUERY_PORT_MAX_VL_OFFSET 0x0b
1006 #define QUERY_PORT_MAC_OFFSET 0x10
1007 #define QUERY_PORT_TRANS_VENDOR_OFFSET 0x18
1008 #define QUERY_PORT_WAVELENGTH_OFFSET 0x1c
1009 #define QUERY_PORT_TRANS_CODE_OFFSET 0x20
1011 err = mlx4_cmd_box(dev, 0, mailbox->dma, port, 0, MLX4_CMD_QUERY_PORT,
1012 MLX4_CMD_TIME_CLASS_B, MLX4_CMD_NATIVE);
1016 MLX4_GET(field, outbox, QUERY_PORT_SUPPORTED_TYPE_OFFSET);
1017 port_cap->supported_port_types = field & 3;
1018 port_cap->suggested_type = (field >> 3) & 1;
1019 port_cap->default_sense = (field >> 4) & 1;
1020 port_cap->dmfs_optimized_state = (field >> 5) & 1;
1021 MLX4_GET(field, outbox, QUERY_PORT_MTU_OFFSET);
1022 port_cap->ib_mtu = field & 0xf;
1023 MLX4_GET(field, outbox, QUERY_PORT_WIDTH_OFFSET);
1024 port_cap->max_port_width = field & 0xf;
1025 MLX4_GET(field, outbox, QUERY_PORT_MAX_GID_PKEY_OFFSET);
1026 port_cap->max_gids = 1 << (field >> 4);
1027 port_cap->max_pkeys = 1 << (field & 0xf);
1028 MLX4_GET(field, outbox, QUERY_PORT_MAX_VL_OFFSET);
1029 port_cap->max_vl = field & 0xf;
1030 MLX4_GET(field, outbox, QUERY_PORT_MAX_MACVLAN_OFFSET);
1031 port_cap->log_max_macs = field & 0xf;
1032 port_cap->log_max_vlans = field >> 4;
1033 MLX4_GET(port_cap->eth_mtu, outbox, QUERY_PORT_ETH_MTU_OFFSET);
1034 MLX4_GET(port_cap->def_mac, outbox, QUERY_PORT_MAC_OFFSET);
1035 MLX4_GET(field32, outbox, QUERY_PORT_TRANS_VENDOR_OFFSET);
1036 port_cap->trans_type = field32 >> 24;
1037 port_cap->vendor_oui = field32 & 0xffffff;
1038 MLX4_GET(port_cap->wavelength, outbox, QUERY_PORT_WAVELENGTH_OFFSET);
1039 MLX4_GET(port_cap->trans_code, outbox, QUERY_PORT_TRANS_CODE_OFFSET);
1043 mlx4_free_cmd_mailbox(dev, mailbox);
1047 #define DEV_CAP_EXT_2_FLAG_VLAN_CONTROL (1 << 26)
1048 #define DEV_CAP_EXT_2_FLAG_80_VFS (1 << 21)
1049 #define DEV_CAP_EXT_2_FLAG_FSM (1 << 20)
1051 int mlx4_QUERY_DEV_CAP_wrapper(struct mlx4_dev *dev, int slave,
1052 struct mlx4_vhcr *vhcr,
1053 struct mlx4_cmd_mailbox *inbox,
1054 struct mlx4_cmd_mailbox *outbox,
1055 struct mlx4_cmd_info *cmd)
1060 u32 bmme_flags, field32;
1064 struct mlx4_active_ports actv_ports;
1066 err = mlx4_cmd_box(dev, 0, outbox->dma, 0, 0, MLX4_CMD_QUERY_DEV_CAP,
1067 MLX4_CMD_TIME_CLASS_A, MLX4_CMD_NATIVE);
1071 /* add port mng change event capability and disable mw type 1
1072 * unconditionally to slaves
1074 MLX4_GET(flags, outbox->buf, QUERY_DEV_CAP_EXT_FLAGS_OFFSET);
1075 flags |= MLX4_DEV_CAP_FLAG_PORT_MNG_CHG_EV;
1076 flags &= ~MLX4_DEV_CAP_FLAG_MEM_WINDOW;
1077 actv_ports = mlx4_get_active_ports(dev, slave);
1078 first_port = find_first_bit(actv_ports.ports, dev->caps.num_ports);
1079 for (slave_port = 0, real_port = first_port;
1080 real_port < first_port +
1081 bitmap_weight(actv_ports.ports, dev->caps.num_ports);
1082 ++real_port, ++slave_port) {
1083 if (flags & (MLX4_DEV_CAP_FLAG_WOL_PORT1 << real_port))
1084 flags |= MLX4_DEV_CAP_FLAG_WOL_PORT1 << slave_port;
1086 flags &= ~(MLX4_DEV_CAP_FLAG_WOL_PORT1 << slave_port);
1088 for (; slave_port < dev->caps.num_ports; ++slave_port)
1089 flags &= ~(MLX4_DEV_CAP_FLAG_WOL_PORT1 << slave_port);
1090 MLX4_PUT(outbox->buf, flags, QUERY_DEV_CAP_EXT_FLAGS_OFFSET);
1092 MLX4_GET(field, outbox->buf, QUERY_DEV_CAP_VL_PORT_OFFSET);
1094 field |= bitmap_weight(actv_ports.ports, dev->caps.num_ports) & 0x0F;
1095 MLX4_PUT(outbox->buf, field, QUERY_DEV_CAP_VL_PORT_OFFSET);
1097 /* For guests, disable timestamp */
1098 MLX4_GET(field, outbox->buf, QUERY_DEV_CAP_CQ_TS_SUPPORT_OFFSET);
1100 MLX4_PUT(outbox->buf, field, QUERY_DEV_CAP_CQ_TS_SUPPORT_OFFSET);
1102 /* For guests, disable vxlan tunneling */
1103 MLX4_GET(field, outbox->buf, QUERY_DEV_CAP_VXLAN);
1105 MLX4_PUT(outbox->buf, field, QUERY_DEV_CAP_VXLAN);
1107 /* For guests, report Blueflame disabled */
1108 MLX4_GET(field, outbox->buf, QUERY_DEV_CAP_BF_OFFSET);
1110 MLX4_PUT(outbox->buf, field, QUERY_DEV_CAP_BF_OFFSET);
1112 /* For guests, disable mw type 2 */
1113 MLX4_GET(bmme_flags, outbox->buf, QUERY_DEV_CAP_BMME_FLAGS_OFFSET);
1114 bmme_flags &= ~MLX4_BMME_FLAG_TYPE_2_WIN;
1115 MLX4_PUT(outbox->buf, bmme_flags, QUERY_DEV_CAP_BMME_FLAGS_OFFSET);
1117 /* turn off device-managed steering capability if not enabled */
1118 if (dev->caps.steering_mode != MLX4_STEERING_MODE_DEVICE_MANAGED) {
1119 MLX4_GET(field, outbox->buf,
1120 QUERY_DEV_CAP_FLOW_STEERING_RANGE_EN_OFFSET);
1122 MLX4_PUT(outbox->buf, field,
1123 QUERY_DEV_CAP_FLOW_STEERING_RANGE_EN_OFFSET);
1126 /* turn off ipoib managed steering for guests */
1127 MLX4_GET(field, outbox->buf, QUERY_DEV_CAP_FLOW_STEERING_IPOIB_OFFSET);
1129 MLX4_PUT(outbox->buf, field, QUERY_DEV_CAP_FLOW_STEERING_IPOIB_OFFSET);
1131 /* turn off host side virt features (VST, FSM, etc) for guests */
1132 MLX4_GET(field32, outbox->buf, QUERY_DEV_CAP_EXT_2_FLAGS_OFFSET);
1133 field32 &= ~(DEV_CAP_EXT_2_FLAG_VLAN_CONTROL | DEV_CAP_EXT_2_FLAG_80_VFS |
1134 DEV_CAP_EXT_2_FLAG_FSM);
1135 MLX4_PUT(outbox->buf, field32, QUERY_DEV_CAP_EXT_2_FLAGS_OFFSET);
1140 int mlx4_QUERY_PORT_wrapper(struct mlx4_dev *dev, int slave,
1141 struct mlx4_vhcr *vhcr,
1142 struct mlx4_cmd_mailbox *inbox,
1143 struct mlx4_cmd_mailbox *outbox,
1144 struct mlx4_cmd_info *cmd)
1146 struct mlx4_priv *priv = mlx4_priv(dev);
1151 int admin_link_state;
1152 int port = mlx4_slave_convert_port(dev, slave,
1153 vhcr->in_modifier & 0xFF);
1155 #define MLX4_VF_PORT_NO_LINK_SENSE_MASK 0xE0
1156 #define MLX4_PORT_LINK_UP_MASK 0x80
1157 #define QUERY_PORT_CUR_MAX_PKEY_OFFSET 0x0c
1158 #define QUERY_PORT_CUR_MAX_GID_OFFSET 0x0e
1163 /* Protect against untrusted guests: enforce that this is the
1164 * QUERY_PORT general query.
1166 if (vhcr->op_modifier || vhcr->in_modifier & ~0xFF)
1169 vhcr->in_modifier = port;
1171 err = mlx4_cmd_box(dev, 0, outbox->dma, vhcr->in_modifier, 0,
1172 MLX4_CMD_QUERY_PORT, MLX4_CMD_TIME_CLASS_B,
1175 if (!err && dev->caps.function != slave) {
1176 def_mac = priv->mfunc.master.vf_oper[slave].vport[vhcr->in_modifier].state.mac;
1177 MLX4_PUT(outbox->buf, def_mac, QUERY_PORT_MAC_OFFSET);
1179 /* get port type - currently only eth is enabled */
1180 MLX4_GET(port_type, outbox->buf,
1181 QUERY_PORT_SUPPORTED_TYPE_OFFSET);
1183 /* No link sensing allowed */
1184 port_type &= MLX4_VF_PORT_NO_LINK_SENSE_MASK;
1185 /* set port type to currently operating port type */
1186 port_type |= (dev->caps.port_type[vhcr->in_modifier] & 0x3);
1188 admin_link_state = priv->mfunc.master.vf_oper[slave].vport[vhcr->in_modifier].state.link_state;
1189 if (IFLA_VF_LINK_STATE_ENABLE == admin_link_state)
1190 port_type |= MLX4_PORT_LINK_UP_MASK;
1191 else if (IFLA_VF_LINK_STATE_DISABLE == admin_link_state)
1192 port_type &= ~MLX4_PORT_LINK_UP_MASK;
1194 MLX4_PUT(outbox->buf, port_type,
1195 QUERY_PORT_SUPPORTED_TYPE_OFFSET);
1197 if (dev->caps.port_type[vhcr->in_modifier] == MLX4_PORT_TYPE_ETH)
1198 short_field = mlx4_get_slave_num_gids(dev, slave, port);
1200 short_field = 1; /* slave max gids */
1201 MLX4_PUT(outbox->buf, short_field,
1202 QUERY_PORT_CUR_MAX_GID_OFFSET);
1204 short_field = dev->caps.pkey_table_len[vhcr->in_modifier];
1205 MLX4_PUT(outbox->buf, short_field,
1206 QUERY_PORT_CUR_MAX_PKEY_OFFSET);
1212 int mlx4_get_slave_pkey_gid_tbl_len(struct mlx4_dev *dev, u8 port,
1213 int *gid_tbl_len, int *pkey_tbl_len)
1215 struct mlx4_cmd_mailbox *mailbox;
1220 mailbox = mlx4_alloc_cmd_mailbox(dev);
1221 if (IS_ERR(mailbox))
1222 return PTR_ERR(mailbox);
1224 err = mlx4_cmd_box(dev, 0, mailbox->dma, port, 0,
1225 MLX4_CMD_QUERY_PORT, MLX4_CMD_TIME_CLASS_B,
1230 outbox = mailbox->buf;
1232 MLX4_GET(field, outbox, QUERY_PORT_CUR_MAX_GID_OFFSET);
1233 *gid_tbl_len = field;
1235 MLX4_GET(field, outbox, QUERY_PORT_CUR_MAX_PKEY_OFFSET);
1236 *pkey_tbl_len = field;
1239 mlx4_free_cmd_mailbox(dev, mailbox);
1242 EXPORT_SYMBOL(mlx4_get_slave_pkey_gid_tbl_len);
1244 int mlx4_map_cmd(struct mlx4_dev *dev, u16 op, struct mlx4_icm *icm, u64 virt)
1246 struct mlx4_cmd_mailbox *mailbox;
1247 struct mlx4_icm_iter iter;
1255 mailbox = mlx4_alloc_cmd_mailbox(dev);
1256 if (IS_ERR(mailbox))
1257 return PTR_ERR(mailbox);
1258 pages = mailbox->buf;
1260 for (mlx4_icm_first(icm, &iter);
1261 !mlx4_icm_last(&iter);
1262 mlx4_icm_next(&iter)) {
1264 * We have to pass pages that are aligned to their
1265 * size, so find the least significant 1 in the
1266 * address or size and use that as our log2 size.
1268 lg = ffs(mlx4_icm_addr(&iter) | mlx4_icm_size(&iter)) - 1;
1269 if (lg < MLX4_ICM_PAGE_SHIFT) {
1270 mlx4_warn(dev, "Got FW area not aligned to %d (%llx/%lx)\n",
1272 (unsigned long long) mlx4_icm_addr(&iter),
1273 mlx4_icm_size(&iter));
1278 for (i = 0; i < mlx4_icm_size(&iter) >> lg; ++i) {
1280 pages[nent * 2] = cpu_to_be64(virt);
1284 pages[nent * 2 + 1] =
1285 cpu_to_be64((mlx4_icm_addr(&iter) + (i << lg)) |
1286 (lg - MLX4_ICM_PAGE_SHIFT));
1287 ts += 1 << (lg - 10);
1290 if (++nent == MLX4_MAILBOX_SIZE / 16) {
1291 err = mlx4_cmd(dev, mailbox->dma, nent, 0, op,
1292 MLX4_CMD_TIME_CLASS_B,
1302 err = mlx4_cmd(dev, mailbox->dma, nent, 0, op,
1303 MLX4_CMD_TIME_CLASS_B, MLX4_CMD_NATIVE);
1308 case MLX4_CMD_MAP_FA:
1309 mlx4_dbg(dev, "Mapped %d chunks/%d KB for FW\n", tc, ts);
1311 case MLX4_CMD_MAP_ICM_AUX:
1312 mlx4_dbg(dev, "Mapped %d chunks/%d KB for ICM aux\n", tc, ts);
1314 case MLX4_CMD_MAP_ICM:
1315 mlx4_dbg(dev, "Mapped %d chunks/%d KB at %llx for ICM\n",
1316 tc, ts, (unsigned long long) virt - (ts << 10));
1321 mlx4_free_cmd_mailbox(dev, mailbox);
1325 int mlx4_MAP_FA(struct mlx4_dev *dev, struct mlx4_icm *icm)
1327 return mlx4_map_cmd(dev, MLX4_CMD_MAP_FA, icm, -1);
1330 int mlx4_UNMAP_FA(struct mlx4_dev *dev)
1332 return mlx4_cmd(dev, 0, 0, 0, MLX4_CMD_UNMAP_FA,
1333 MLX4_CMD_TIME_CLASS_B, MLX4_CMD_NATIVE);
1337 int mlx4_RUN_FW(struct mlx4_dev *dev)
1339 return mlx4_cmd(dev, 0, 0, 0, MLX4_CMD_RUN_FW,
1340 MLX4_CMD_TIME_CLASS_A, MLX4_CMD_NATIVE);
1343 int mlx4_QUERY_FW(struct mlx4_dev *dev)
1345 struct mlx4_fw *fw = &mlx4_priv(dev)->fw;
1346 struct mlx4_cmd *cmd = &mlx4_priv(dev)->cmd;
1347 struct mlx4_cmd_mailbox *mailbox;
1354 #define QUERY_FW_OUT_SIZE 0x100
1355 #define QUERY_FW_VER_OFFSET 0x00
1356 #define QUERY_FW_PPF_ID 0x09
1357 #define QUERY_FW_CMD_IF_REV_OFFSET 0x0a
1358 #define QUERY_FW_MAX_CMD_OFFSET 0x0f
1359 #define QUERY_FW_ERR_START_OFFSET 0x30
1360 #define QUERY_FW_ERR_SIZE_OFFSET 0x38
1361 #define QUERY_FW_ERR_BAR_OFFSET 0x3c
1363 #define QUERY_FW_SIZE_OFFSET 0x00
1364 #define QUERY_FW_CLR_INT_BASE_OFFSET 0x20
1365 #define QUERY_FW_CLR_INT_BAR_OFFSET 0x28
1367 #define QUERY_FW_COMM_BASE_OFFSET 0x40
1368 #define QUERY_FW_COMM_BAR_OFFSET 0x48
1370 #define QUERY_FW_CLOCK_OFFSET 0x50
1371 #define QUERY_FW_CLOCK_BAR 0x58
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, MLX4_CMD_QUERY_FW,
1379 MLX4_CMD_TIME_CLASS_A, MLX4_CMD_NATIVE);
1383 MLX4_GET(fw_ver, outbox, QUERY_FW_VER_OFFSET);
1385 * FW subminor version is at more significant bits than minor
1386 * version, so swap here.
1388 dev->caps.fw_ver = (fw_ver & 0xffff00000000ull) |
1389 ((fw_ver & 0xffff0000ull) >> 16) |
1390 ((fw_ver & 0x0000ffffull) << 16);
1392 MLX4_GET(lg, outbox, QUERY_FW_PPF_ID);
1393 dev->caps.function = lg;
1395 if (mlx4_is_slave(dev))
1399 MLX4_GET(cmd_if_rev, outbox, QUERY_FW_CMD_IF_REV_OFFSET);
1400 if (cmd_if_rev < MLX4_COMMAND_INTERFACE_MIN_REV ||
1401 cmd_if_rev > MLX4_COMMAND_INTERFACE_MAX_REV) {
1402 mlx4_err(dev, "Installed FW has unsupported command interface revision %d\n",
1404 mlx4_err(dev, "(Installed FW version is %d.%d.%03d)\n",
1405 (int) (dev->caps.fw_ver >> 32),
1406 (int) (dev->caps.fw_ver >> 16) & 0xffff,
1407 (int) dev->caps.fw_ver & 0xffff);
1408 mlx4_err(dev, "This driver version supports only revisions %d to %d\n",
1409 MLX4_COMMAND_INTERFACE_MIN_REV, MLX4_COMMAND_INTERFACE_MAX_REV);
1414 if (cmd_if_rev < MLX4_COMMAND_INTERFACE_NEW_PORT_CMDS)
1415 dev->flags |= MLX4_FLAG_OLD_PORT_CMDS;
1417 MLX4_GET(lg, outbox, QUERY_FW_MAX_CMD_OFFSET);
1418 cmd->max_cmds = 1 << lg;
1420 mlx4_dbg(dev, "FW version %d.%d.%03d (cmd intf rev %d), max commands %d\n",
1421 (int) (dev->caps.fw_ver >> 32),
1422 (int) (dev->caps.fw_ver >> 16) & 0xffff,
1423 (int) dev->caps.fw_ver & 0xffff,
1424 cmd_if_rev, cmd->max_cmds);
1426 MLX4_GET(fw->catas_offset, outbox, QUERY_FW_ERR_START_OFFSET);
1427 MLX4_GET(fw->catas_size, outbox, QUERY_FW_ERR_SIZE_OFFSET);
1428 MLX4_GET(fw->catas_bar, outbox, QUERY_FW_ERR_BAR_OFFSET);
1429 fw->catas_bar = (fw->catas_bar >> 6) * 2;
1431 mlx4_dbg(dev, "Catastrophic error buffer at 0x%llx, size 0x%x, BAR %d\n",
1432 (unsigned long long) fw->catas_offset, fw->catas_size, fw->catas_bar);
1434 MLX4_GET(fw->fw_pages, outbox, QUERY_FW_SIZE_OFFSET);
1435 MLX4_GET(fw->clr_int_base, outbox, QUERY_FW_CLR_INT_BASE_OFFSET);
1436 MLX4_GET(fw->clr_int_bar, outbox, QUERY_FW_CLR_INT_BAR_OFFSET);
1437 fw->clr_int_bar = (fw->clr_int_bar >> 6) * 2;
1439 MLX4_GET(fw->comm_base, outbox, QUERY_FW_COMM_BASE_OFFSET);
1440 MLX4_GET(fw->comm_bar, outbox, QUERY_FW_COMM_BAR_OFFSET);
1441 fw->comm_bar = (fw->comm_bar >> 6) * 2;
1442 mlx4_dbg(dev, "Communication vector bar:%d offset:0x%llx\n",
1443 fw->comm_bar, fw->comm_base);
1444 mlx4_dbg(dev, "FW size %d KB\n", fw->fw_pages >> 2);
1446 MLX4_GET(fw->clock_offset, outbox, QUERY_FW_CLOCK_OFFSET);
1447 MLX4_GET(fw->clock_bar, outbox, QUERY_FW_CLOCK_BAR);
1448 fw->clock_bar = (fw->clock_bar >> 6) * 2;
1449 mlx4_dbg(dev, "Internal clock bar:%d offset:0x%llx\n",
1450 fw->clock_bar, fw->clock_offset);
1453 * Round up number of system pages needed in case
1454 * MLX4_ICM_PAGE_SIZE < PAGE_SIZE.
1457 ALIGN(fw->fw_pages, PAGE_SIZE / MLX4_ICM_PAGE_SIZE) >>
1458 (PAGE_SHIFT - MLX4_ICM_PAGE_SHIFT);
1460 mlx4_dbg(dev, "Clear int @ %llx, BAR %d\n",
1461 (unsigned long long) fw->clr_int_base, fw->clr_int_bar);
1464 mlx4_free_cmd_mailbox(dev, mailbox);
1468 int mlx4_QUERY_FW_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)
1477 outbuf = outbox->buf;
1478 err = mlx4_cmd_box(dev, 0, outbox->dma, 0, 0, MLX4_CMD_QUERY_FW,
1479 MLX4_CMD_TIME_CLASS_A, MLX4_CMD_NATIVE);
1483 /* for slaves, set pci PPF ID to invalid and zero out everything
1484 * else except FW version */
1485 outbuf[0] = outbuf[1] = 0;
1486 memset(&outbuf[8], 0, QUERY_FW_OUT_SIZE - 8);
1487 outbuf[QUERY_FW_PPF_ID] = MLX4_INVALID_SLAVE_ID;
1492 static void get_board_id(void *vsd, char *board_id)
1496 #define VSD_OFFSET_SIG1 0x00
1497 #define VSD_OFFSET_SIG2 0xde
1498 #define VSD_OFFSET_MLX_BOARD_ID 0xd0
1499 #define VSD_OFFSET_TS_BOARD_ID 0x20
1501 #define VSD_SIGNATURE_TOPSPIN 0x5ad
1503 memset(board_id, 0, MLX4_BOARD_ID_LEN);
1505 if (be16_to_cpup(vsd + VSD_OFFSET_SIG1) == VSD_SIGNATURE_TOPSPIN &&
1506 be16_to_cpup(vsd + VSD_OFFSET_SIG2) == VSD_SIGNATURE_TOPSPIN) {
1507 strlcpy(board_id, vsd + VSD_OFFSET_TS_BOARD_ID, MLX4_BOARD_ID_LEN);
1510 * The board ID is a string but the firmware byte
1511 * swaps each 4-byte word before passing it back to
1512 * us. Therefore we need to swab it before printing.
1514 for (i = 0; i < 4; ++i)
1515 ((u32 *) board_id)[i] =
1516 swab32(*(u32 *) (vsd + VSD_OFFSET_MLX_BOARD_ID + i * 4));
1520 int mlx4_QUERY_ADAPTER(struct mlx4_dev *dev, struct mlx4_adapter *adapter)
1522 struct mlx4_cmd_mailbox *mailbox;
1526 #define QUERY_ADAPTER_OUT_SIZE 0x100
1527 #define QUERY_ADAPTER_INTA_PIN_OFFSET 0x10
1528 #define QUERY_ADAPTER_VSD_OFFSET 0x20
1530 mailbox = mlx4_alloc_cmd_mailbox(dev);
1531 if (IS_ERR(mailbox))
1532 return PTR_ERR(mailbox);
1533 outbox = mailbox->buf;
1535 err = mlx4_cmd_box(dev, 0, mailbox->dma, 0, 0, MLX4_CMD_QUERY_ADAPTER,
1536 MLX4_CMD_TIME_CLASS_A, MLX4_CMD_NATIVE);
1540 MLX4_GET(adapter->inta_pin, outbox, QUERY_ADAPTER_INTA_PIN_OFFSET);
1542 get_board_id(outbox + QUERY_ADAPTER_VSD_OFFSET / 4,
1546 mlx4_free_cmd_mailbox(dev, mailbox);
1550 int mlx4_INIT_HCA(struct mlx4_dev *dev, struct mlx4_init_hca_param *param)
1552 struct mlx4_cmd_mailbox *mailbox;
1555 static const u8 a0_dmfs_hw_steering[] = {
1556 [MLX4_STEERING_DMFS_A0_DEFAULT] = 0,
1557 [MLX4_STEERING_DMFS_A0_DYNAMIC] = 1,
1558 [MLX4_STEERING_DMFS_A0_STATIC] = 2,
1559 [MLX4_STEERING_DMFS_A0_DISABLE] = 3
1562 #define INIT_HCA_IN_SIZE 0x200
1563 #define INIT_HCA_VERSION_OFFSET 0x000
1564 #define INIT_HCA_VERSION 2
1565 #define INIT_HCA_VXLAN_OFFSET 0x0c
1566 #define INIT_HCA_CACHELINE_SZ_OFFSET 0x0e
1567 #define INIT_HCA_FLAGS_OFFSET 0x014
1568 #define INIT_HCA_RECOVERABLE_ERROR_EVENT_OFFSET 0x018
1569 #define INIT_HCA_QPC_OFFSET 0x020
1570 #define INIT_HCA_QPC_BASE_OFFSET (INIT_HCA_QPC_OFFSET + 0x10)
1571 #define INIT_HCA_LOG_QP_OFFSET (INIT_HCA_QPC_OFFSET + 0x17)
1572 #define INIT_HCA_SRQC_BASE_OFFSET (INIT_HCA_QPC_OFFSET + 0x28)
1573 #define INIT_HCA_LOG_SRQ_OFFSET (INIT_HCA_QPC_OFFSET + 0x2f)
1574 #define INIT_HCA_CQC_BASE_OFFSET (INIT_HCA_QPC_OFFSET + 0x30)
1575 #define INIT_HCA_LOG_CQ_OFFSET (INIT_HCA_QPC_OFFSET + 0x37)
1576 #define INIT_HCA_EQE_CQE_OFFSETS (INIT_HCA_QPC_OFFSET + 0x38)
1577 #define INIT_HCA_EQE_CQE_STRIDE_OFFSET (INIT_HCA_QPC_OFFSET + 0x3b)
1578 #define INIT_HCA_ALTC_BASE_OFFSET (INIT_HCA_QPC_OFFSET + 0x40)
1579 #define INIT_HCA_AUXC_BASE_OFFSET (INIT_HCA_QPC_OFFSET + 0x50)
1580 #define INIT_HCA_EQC_BASE_OFFSET (INIT_HCA_QPC_OFFSET + 0x60)
1581 #define INIT_HCA_LOG_EQ_OFFSET (INIT_HCA_QPC_OFFSET + 0x67)
1582 #define INIT_HCA_NUM_SYS_EQS_OFFSET (INIT_HCA_QPC_OFFSET + 0x6a)
1583 #define INIT_HCA_RDMARC_BASE_OFFSET (INIT_HCA_QPC_OFFSET + 0x70)
1584 #define INIT_HCA_LOG_RD_OFFSET (INIT_HCA_QPC_OFFSET + 0x77)
1585 #define INIT_HCA_MCAST_OFFSET 0x0c0
1586 #define INIT_HCA_MC_BASE_OFFSET (INIT_HCA_MCAST_OFFSET + 0x00)
1587 #define INIT_HCA_LOG_MC_ENTRY_SZ_OFFSET (INIT_HCA_MCAST_OFFSET + 0x12)
1588 #define INIT_HCA_LOG_MC_HASH_SZ_OFFSET (INIT_HCA_MCAST_OFFSET + 0x16)
1589 #define INIT_HCA_UC_STEERING_OFFSET (INIT_HCA_MCAST_OFFSET + 0x18)
1590 #define INIT_HCA_LOG_MC_TABLE_SZ_OFFSET (INIT_HCA_MCAST_OFFSET + 0x1b)
1591 #define INIT_HCA_DEVICE_MANAGED_FLOW_STEERING_EN 0x6
1592 #define INIT_HCA_FS_PARAM_OFFSET 0x1d0
1593 #define INIT_HCA_FS_BASE_OFFSET (INIT_HCA_FS_PARAM_OFFSET + 0x00)
1594 #define INIT_HCA_FS_LOG_ENTRY_SZ_OFFSET (INIT_HCA_FS_PARAM_OFFSET + 0x12)
1595 #define INIT_HCA_FS_A0_OFFSET (INIT_HCA_FS_PARAM_OFFSET + 0x18)
1596 #define INIT_HCA_FS_LOG_TABLE_SZ_OFFSET (INIT_HCA_FS_PARAM_OFFSET + 0x1b)
1597 #define INIT_HCA_FS_ETH_BITS_OFFSET (INIT_HCA_FS_PARAM_OFFSET + 0x21)
1598 #define INIT_HCA_FS_ETH_NUM_ADDRS_OFFSET (INIT_HCA_FS_PARAM_OFFSET + 0x22)
1599 #define INIT_HCA_FS_IB_BITS_OFFSET (INIT_HCA_FS_PARAM_OFFSET + 0x25)
1600 #define INIT_HCA_FS_IB_NUM_ADDRS_OFFSET (INIT_HCA_FS_PARAM_OFFSET + 0x26)
1601 #define INIT_HCA_TPT_OFFSET 0x0f0
1602 #define INIT_HCA_DMPT_BASE_OFFSET (INIT_HCA_TPT_OFFSET + 0x00)
1603 #define INIT_HCA_TPT_MW_OFFSET (INIT_HCA_TPT_OFFSET + 0x08)
1604 #define INIT_HCA_LOG_MPT_SZ_OFFSET (INIT_HCA_TPT_OFFSET + 0x0b)
1605 #define INIT_HCA_MTT_BASE_OFFSET (INIT_HCA_TPT_OFFSET + 0x10)
1606 #define INIT_HCA_CMPT_BASE_OFFSET (INIT_HCA_TPT_OFFSET + 0x18)
1607 #define INIT_HCA_UAR_OFFSET 0x120
1608 #define INIT_HCA_LOG_UAR_SZ_OFFSET (INIT_HCA_UAR_OFFSET + 0x0a)
1609 #define INIT_HCA_UAR_PAGE_SZ_OFFSET (INIT_HCA_UAR_OFFSET + 0x0b)
1611 mailbox = mlx4_alloc_cmd_mailbox(dev);
1612 if (IS_ERR(mailbox))
1613 return PTR_ERR(mailbox);
1614 inbox = mailbox->buf;
1616 *((u8 *) mailbox->buf + INIT_HCA_VERSION_OFFSET) = INIT_HCA_VERSION;
1618 *((u8 *) mailbox->buf + INIT_HCA_CACHELINE_SZ_OFFSET) =
1619 (ilog2(cache_line_size()) - 4) << 5;
1621 #if defined(__LITTLE_ENDIAN)
1622 *(inbox + INIT_HCA_FLAGS_OFFSET / 4) &= ~cpu_to_be32(1 << 1);
1623 #elif defined(__BIG_ENDIAN)
1624 *(inbox + INIT_HCA_FLAGS_OFFSET / 4) |= cpu_to_be32(1 << 1);
1626 #error Host endianness not defined
1628 /* Check port for UD address vector: */
1629 *(inbox + INIT_HCA_FLAGS_OFFSET / 4) |= cpu_to_be32(1);
1631 /* Enable IPoIB checksumming if we can: */
1632 if (dev->caps.flags & MLX4_DEV_CAP_FLAG_IPOIB_CSUM)
1633 *(inbox + INIT_HCA_FLAGS_OFFSET / 4) |= cpu_to_be32(1 << 3);
1635 /* Enable QoS support if module parameter set */
1637 *(inbox + INIT_HCA_FLAGS_OFFSET / 4) |= cpu_to_be32(1 << 2);
1639 /* enable counters */
1640 if (dev->caps.flags & MLX4_DEV_CAP_FLAG_COUNTERS)
1641 *(inbox + INIT_HCA_FLAGS_OFFSET / 4) |= cpu_to_be32(1 << 4);
1643 /* CX3 is capable of extending CQEs/EQEs from 32 to 64 bytes */
1644 if (dev->caps.flags & MLX4_DEV_CAP_FLAG_64B_EQE) {
1645 *(inbox + INIT_HCA_EQE_CQE_OFFSETS / 4) |= cpu_to_be32(1 << 29);
1646 dev->caps.eqe_size = 64;
1647 dev->caps.eqe_factor = 1;
1649 dev->caps.eqe_size = 32;
1650 dev->caps.eqe_factor = 0;
1653 if (dev->caps.flags & MLX4_DEV_CAP_FLAG_64B_CQE) {
1654 *(inbox + INIT_HCA_EQE_CQE_OFFSETS / 4) |= cpu_to_be32(1 << 30);
1655 dev->caps.cqe_size = 64;
1656 dev->caps.userspace_caps |= MLX4_USER_DEV_CAP_LARGE_CQE;
1658 dev->caps.cqe_size = 32;
1661 /* CX3 is capable of extending CQEs\EQEs to strides larger than 64B */
1662 if ((dev->caps.flags2 & MLX4_DEV_CAP_FLAG2_EQE_STRIDE) &&
1663 (dev->caps.flags2 & MLX4_DEV_CAP_FLAG2_CQE_STRIDE)) {
1664 dev->caps.eqe_size = cache_line_size();
1665 dev->caps.cqe_size = cache_line_size();
1666 dev->caps.eqe_factor = 0;
1667 MLX4_PUT(inbox, (u8)((ilog2(dev->caps.eqe_size) - 5) << 4 |
1668 (ilog2(dev->caps.eqe_size) - 5)),
1669 INIT_HCA_EQE_CQE_STRIDE_OFFSET);
1671 /* User still need to know to support CQE > 32B */
1672 dev->caps.userspace_caps |= MLX4_USER_DEV_CAP_LARGE_CQE;
1675 if (dev->caps.flags2 & MLX4_DEV_CAP_FLAG2_RECOVERABLE_ERROR_EVENT)
1676 *(inbox + INIT_HCA_RECOVERABLE_ERROR_EVENT_OFFSET / 4) |= cpu_to_be32(1 << 31);
1678 /* QPC/EEC/CQC/EQC/RDMARC attributes */
1680 MLX4_PUT(inbox, param->qpc_base, INIT_HCA_QPC_BASE_OFFSET);
1681 MLX4_PUT(inbox, param->log_num_qps, INIT_HCA_LOG_QP_OFFSET);
1682 MLX4_PUT(inbox, param->srqc_base, INIT_HCA_SRQC_BASE_OFFSET);
1683 MLX4_PUT(inbox, param->log_num_srqs, INIT_HCA_LOG_SRQ_OFFSET);
1684 MLX4_PUT(inbox, param->cqc_base, INIT_HCA_CQC_BASE_OFFSET);
1685 MLX4_PUT(inbox, param->log_num_cqs, INIT_HCA_LOG_CQ_OFFSET);
1686 MLX4_PUT(inbox, param->altc_base, INIT_HCA_ALTC_BASE_OFFSET);
1687 MLX4_PUT(inbox, param->auxc_base, INIT_HCA_AUXC_BASE_OFFSET);
1688 MLX4_PUT(inbox, param->eqc_base, INIT_HCA_EQC_BASE_OFFSET);
1689 MLX4_PUT(inbox, param->log_num_eqs, INIT_HCA_LOG_EQ_OFFSET);
1690 MLX4_PUT(inbox, param->num_sys_eqs, INIT_HCA_NUM_SYS_EQS_OFFSET);
1691 MLX4_PUT(inbox, param->rdmarc_base, INIT_HCA_RDMARC_BASE_OFFSET);
1692 MLX4_PUT(inbox, param->log_rd_per_qp, INIT_HCA_LOG_RD_OFFSET);
1694 /* steering attributes */
1695 if (dev->caps.steering_mode ==
1696 MLX4_STEERING_MODE_DEVICE_MANAGED) {
1697 *(inbox + INIT_HCA_FLAGS_OFFSET / 4) |=
1699 INIT_HCA_DEVICE_MANAGED_FLOW_STEERING_EN);
1701 MLX4_PUT(inbox, param->mc_base, INIT_HCA_FS_BASE_OFFSET);
1702 MLX4_PUT(inbox, param->log_mc_entry_sz,
1703 INIT_HCA_FS_LOG_ENTRY_SZ_OFFSET);
1704 MLX4_PUT(inbox, param->log_mc_table_sz,
1705 INIT_HCA_FS_LOG_TABLE_SZ_OFFSET);
1706 /* Enable Ethernet flow steering
1707 * with udp unicast and tcp unicast
1709 if (dev->caps.dmfs_high_steer_mode !=
1710 MLX4_STEERING_DMFS_A0_STATIC)
1712 (u8)(MLX4_FS_UDP_UC_EN | MLX4_FS_TCP_UC_EN),
1713 INIT_HCA_FS_ETH_BITS_OFFSET);
1714 MLX4_PUT(inbox, (u16) MLX4_FS_NUM_OF_L2_ADDR,
1715 INIT_HCA_FS_ETH_NUM_ADDRS_OFFSET);
1716 /* Enable IPoIB flow steering
1717 * with udp unicast and tcp unicast
1719 MLX4_PUT(inbox, (u8) (MLX4_FS_UDP_UC_EN | MLX4_FS_TCP_UC_EN),
1720 INIT_HCA_FS_IB_BITS_OFFSET);
1721 MLX4_PUT(inbox, (u16) MLX4_FS_NUM_OF_L2_ADDR,
1722 INIT_HCA_FS_IB_NUM_ADDRS_OFFSET);
1724 if (dev->caps.dmfs_high_steer_mode !=
1725 MLX4_STEERING_DMFS_A0_NOT_SUPPORTED)
1727 ((u8)(a0_dmfs_hw_steering[dev->caps.dmfs_high_steer_mode]
1729 INIT_HCA_FS_A0_OFFSET);
1731 MLX4_PUT(inbox, param->mc_base, INIT_HCA_MC_BASE_OFFSET);
1732 MLX4_PUT(inbox, param->log_mc_entry_sz,
1733 INIT_HCA_LOG_MC_ENTRY_SZ_OFFSET);
1734 MLX4_PUT(inbox, param->log_mc_hash_sz,
1735 INIT_HCA_LOG_MC_HASH_SZ_OFFSET);
1736 MLX4_PUT(inbox, param->log_mc_table_sz,
1737 INIT_HCA_LOG_MC_TABLE_SZ_OFFSET);
1738 if (dev->caps.steering_mode == MLX4_STEERING_MODE_B0)
1739 MLX4_PUT(inbox, (u8) (1 << 3),
1740 INIT_HCA_UC_STEERING_OFFSET);
1743 /* TPT attributes */
1745 MLX4_PUT(inbox, param->dmpt_base, INIT_HCA_DMPT_BASE_OFFSET);
1746 MLX4_PUT(inbox, param->mw_enabled, INIT_HCA_TPT_MW_OFFSET);
1747 MLX4_PUT(inbox, param->log_mpt_sz, INIT_HCA_LOG_MPT_SZ_OFFSET);
1748 MLX4_PUT(inbox, param->mtt_base, INIT_HCA_MTT_BASE_OFFSET);
1749 MLX4_PUT(inbox, param->cmpt_base, INIT_HCA_CMPT_BASE_OFFSET);
1751 /* UAR attributes */
1753 MLX4_PUT(inbox, param->uar_page_sz, INIT_HCA_UAR_PAGE_SZ_OFFSET);
1754 MLX4_PUT(inbox, param->log_uar_sz, INIT_HCA_LOG_UAR_SZ_OFFSET);
1756 /* set parser VXLAN attributes */
1757 if (dev->caps.flags2 & MLX4_DEV_CAP_FLAG2_VXLAN_OFFLOADS) {
1758 u8 parser_params = 0;
1759 MLX4_PUT(inbox, parser_params, INIT_HCA_VXLAN_OFFSET);
1762 err = mlx4_cmd(dev, mailbox->dma, 0, 0, MLX4_CMD_INIT_HCA, 10000,
1766 mlx4_err(dev, "INIT_HCA returns %d\n", err);
1768 mlx4_free_cmd_mailbox(dev, mailbox);
1772 int mlx4_QUERY_HCA(struct mlx4_dev *dev,
1773 struct mlx4_init_hca_param *param)
1775 struct mlx4_cmd_mailbox *mailbox;
1780 static const u8 a0_dmfs_query_hw_steering[] = {
1781 [0] = MLX4_STEERING_DMFS_A0_DEFAULT,
1782 [1] = MLX4_STEERING_DMFS_A0_DYNAMIC,
1783 [2] = MLX4_STEERING_DMFS_A0_STATIC,
1784 [3] = MLX4_STEERING_DMFS_A0_DISABLE
1787 #define QUERY_HCA_GLOBAL_CAPS_OFFSET 0x04
1788 #define QUERY_HCA_CORE_CLOCK_OFFSET 0x0c
1790 mailbox = mlx4_alloc_cmd_mailbox(dev);
1791 if (IS_ERR(mailbox))
1792 return PTR_ERR(mailbox);
1793 outbox = mailbox->buf;
1795 err = mlx4_cmd_box(dev, 0, mailbox->dma, 0, 0,
1797 MLX4_CMD_TIME_CLASS_B,
1798 !mlx4_is_slave(dev));
1802 MLX4_GET(param->global_caps, outbox, QUERY_HCA_GLOBAL_CAPS_OFFSET);
1803 MLX4_GET(param->hca_core_clock, outbox, QUERY_HCA_CORE_CLOCK_OFFSET);
1805 /* QPC/EEC/CQC/EQC/RDMARC attributes */
1807 MLX4_GET(param->qpc_base, outbox, INIT_HCA_QPC_BASE_OFFSET);
1808 MLX4_GET(param->log_num_qps, outbox, INIT_HCA_LOG_QP_OFFSET);
1809 MLX4_GET(param->srqc_base, outbox, INIT_HCA_SRQC_BASE_OFFSET);
1810 MLX4_GET(param->log_num_srqs, outbox, INIT_HCA_LOG_SRQ_OFFSET);
1811 MLX4_GET(param->cqc_base, outbox, INIT_HCA_CQC_BASE_OFFSET);
1812 MLX4_GET(param->log_num_cqs, outbox, INIT_HCA_LOG_CQ_OFFSET);
1813 MLX4_GET(param->altc_base, outbox, INIT_HCA_ALTC_BASE_OFFSET);
1814 MLX4_GET(param->auxc_base, outbox, INIT_HCA_AUXC_BASE_OFFSET);
1815 MLX4_GET(param->eqc_base, outbox, INIT_HCA_EQC_BASE_OFFSET);
1816 MLX4_GET(param->log_num_eqs, outbox, INIT_HCA_LOG_EQ_OFFSET);
1817 MLX4_GET(param->num_sys_eqs, outbox, INIT_HCA_NUM_SYS_EQS_OFFSET);
1818 MLX4_GET(param->rdmarc_base, outbox, INIT_HCA_RDMARC_BASE_OFFSET);
1819 MLX4_GET(param->log_rd_per_qp, outbox, INIT_HCA_LOG_RD_OFFSET);
1821 MLX4_GET(dword_field, outbox, INIT_HCA_FLAGS_OFFSET);
1822 if (dword_field & (1 << INIT_HCA_DEVICE_MANAGED_FLOW_STEERING_EN)) {
1823 param->steering_mode = MLX4_STEERING_MODE_DEVICE_MANAGED;
1825 MLX4_GET(byte_field, outbox, INIT_HCA_UC_STEERING_OFFSET);
1826 if (byte_field & 0x8)
1827 param->steering_mode = MLX4_STEERING_MODE_B0;
1829 param->steering_mode = MLX4_STEERING_MODE_A0;
1831 /* steering attributes */
1832 if (param->steering_mode == MLX4_STEERING_MODE_DEVICE_MANAGED) {
1833 MLX4_GET(param->mc_base, outbox, INIT_HCA_FS_BASE_OFFSET);
1834 MLX4_GET(param->log_mc_entry_sz, outbox,
1835 INIT_HCA_FS_LOG_ENTRY_SZ_OFFSET);
1836 MLX4_GET(param->log_mc_table_sz, outbox,
1837 INIT_HCA_FS_LOG_TABLE_SZ_OFFSET);
1838 MLX4_GET(byte_field, outbox,
1839 INIT_HCA_FS_A0_OFFSET);
1840 param->dmfs_high_steer_mode =
1841 a0_dmfs_query_hw_steering[(byte_field >> 6) & 3];
1843 MLX4_GET(param->mc_base, outbox, INIT_HCA_MC_BASE_OFFSET);
1844 MLX4_GET(param->log_mc_entry_sz, outbox,
1845 INIT_HCA_LOG_MC_ENTRY_SZ_OFFSET);
1846 MLX4_GET(param->log_mc_hash_sz, outbox,
1847 INIT_HCA_LOG_MC_HASH_SZ_OFFSET);
1848 MLX4_GET(param->log_mc_table_sz, outbox,
1849 INIT_HCA_LOG_MC_TABLE_SZ_OFFSET);
1852 /* CX3 is capable of extending CQEs/EQEs from 32 to 64 bytes */
1853 MLX4_GET(byte_field, outbox, INIT_HCA_EQE_CQE_OFFSETS);
1854 if (byte_field & 0x20) /* 64-bytes eqe enabled */
1855 param->dev_cap_enabled |= MLX4_DEV_CAP_64B_EQE_ENABLED;
1856 if (byte_field & 0x40) /* 64-bytes cqe enabled */
1857 param->dev_cap_enabled |= MLX4_DEV_CAP_64B_CQE_ENABLED;
1859 /* CX3 is capable of extending CQEs\EQEs to strides larger than 64B */
1860 MLX4_GET(byte_field, outbox, INIT_HCA_EQE_CQE_STRIDE_OFFSET);
1862 param->dev_cap_enabled |= MLX4_DEV_CAP_EQE_STRIDE_ENABLED;
1863 param->dev_cap_enabled |= MLX4_DEV_CAP_CQE_STRIDE_ENABLED;
1864 param->cqe_size = 1 << ((byte_field &
1865 MLX4_CQE_SIZE_MASK_STRIDE) + 5);
1866 param->eqe_size = 1 << (((byte_field &
1867 MLX4_EQE_SIZE_MASK_STRIDE) >> 4) + 5);
1870 /* TPT attributes */
1872 MLX4_GET(param->dmpt_base, outbox, INIT_HCA_DMPT_BASE_OFFSET);
1873 MLX4_GET(param->mw_enabled, outbox, INIT_HCA_TPT_MW_OFFSET);
1874 MLX4_GET(param->log_mpt_sz, outbox, INIT_HCA_LOG_MPT_SZ_OFFSET);
1875 MLX4_GET(param->mtt_base, outbox, INIT_HCA_MTT_BASE_OFFSET);
1876 MLX4_GET(param->cmpt_base, outbox, INIT_HCA_CMPT_BASE_OFFSET);
1878 /* UAR attributes */
1880 MLX4_GET(param->uar_page_sz, outbox, INIT_HCA_UAR_PAGE_SZ_OFFSET);
1881 MLX4_GET(param->log_uar_sz, outbox, INIT_HCA_LOG_UAR_SZ_OFFSET);
1884 mlx4_free_cmd_mailbox(dev, mailbox);
1889 /* for IB-type ports only in SRIOV mode. Checks that both proxy QP0
1890 * and real QP0 are active, so that the paravirtualized QP0 is ready
1892 static int check_qp0_state(struct mlx4_dev *dev, int function, int port)
1894 struct mlx4_priv *priv = mlx4_priv(dev);
1895 /* irrelevant if not infiniband */
1896 if (priv->mfunc.master.qp0_state[port].proxy_qp0_active &&
1897 priv->mfunc.master.qp0_state[port].qp0_active)
1902 int mlx4_INIT_PORT_wrapper(struct mlx4_dev *dev, int slave,
1903 struct mlx4_vhcr *vhcr,
1904 struct mlx4_cmd_mailbox *inbox,
1905 struct mlx4_cmd_mailbox *outbox,
1906 struct mlx4_cmd_info *cmd)
1908 struct mlx4_priv *priv = mlx4_priv(dev);
1909 int port = mlx4_slave_convert_port(dev, slave, vhcr->in_modifier);
1915 if (priv->mfunc.master.slave_state[slave].init_port_mask & (1 << port))
1918 if (dev->caps.port_mask[port] != MLX4_PORT_TYPE_IB) {
1919 /* Enable port only if it was previously disabled */
1920 if (!priv->mfunc.master.init_port_ref[port]) {
1921 err = mlx4_cmd(dev, 0, port, 0, MLX4_CMD_INIT_PORT,
1922 MLX4_CMD_TIME_CLASS_A, MLX4_CMD_NATIVE);
1926 priv->mfunc.master.slave_state[slave].init_port_mask |= (1 << port);
1928 if (slave == mlx4_master_func_num(dev)) {
1929 if (check_qp0_state(dev, slave, port) &&
1930 !priv->mfunc.master.qp0_state[port].port_active) {
1931 err = mlx4_cmd(dev, 0, port, 0, MLX4_CMD_INIT_PORT,
1932 MLX4_CMD_TIME_CLASS_A, MLX4_CMD_NATIVE);
1935 priv->mfunc.master.qp0_state[port].port_active = 1;
1936 priv->mfunc.master.slave_state[slave].init_port_mask |= (1 << port);
1939 priv->mfunc.master.slave_state[slave].init_port_mask |= (1 << port);
1941 ++priv->mfunc.master.init_port_ref[port];
1945 int mlx4_INIT_PORT(struct mlx4_dev *dev, int port)
1947 struct mlx4_cmd_mailbox *mailbox;
1953 if (dev->flags & MLX4_FLAG_OLD_PORT_CMDS) {
1954 #define INIT_PORT_IN_SIZE 256
1955 #define INIT_PORT_FLAGS_OFFSET 0x00
1956 #define INIT_PORT_FLAG_SIG (1 << 18)
1957 #define INIT_PORT_FLAG_NG (1 << 17)
1958 #define INIT_PORT_FLAG_G0 (1 << 16)
1959 #define INIT_PORT_VL_SHIFT 4
1960 #define INIT_PORT_PORT_WIDTH_SHIFT 8
1961 #define INIT_PORT_MTU_OFFSET 0x04
1962 #define INIT_PORT_MAX_GID_OFFSET 0x06
1963 #define INIT_PORT_MAX_PKEY_OFFSET 0x0a
1964 #define INIT_PORT_GUID0_OFFSET 0x10
1965 #define INIT_PORT_NODE_GUID_OFFSET 0x18
1966 #define INIT_PORT_SI_GUID_OFFSET 0x20
1968 mailbox = mlx4_alloc_cmd_mailbox(dev);
1969 if (IS_ERR(mailbox))
1970 return PTR_ERR(mailbox);
1971 inbox = mailbox->buf;
1974 flags |= (dev->caps.vl_cap[port] & 0xf) << INIT_PORT_VL_SHIFT;
1975 flags |= (dev->caps.port_width_cap[port] & 0xf) << INIT_PORT_PORT_WIDTH_SHIFT;
1976 MLX4_PUT(inbox, flags, INIT_PORT_FLAGS_OFFSET);
1978 field = 128 << dev->caps.ib_mtu_cap[port];
1979 MLX4_PUT(inbox, field, INIT_PORT_MTU_OFFSET);
1980 field = dev->caps.gid_table_len[port];
1981 MLX4_PUT(inbox, field, INIT_PORT_MAX_GID_OFFSET);
1982 field = dev->caps.pkey_table_len[port];
1983 MLX4_PUT(inbox, field, INIT_PORT_MAX_PKEY_OFFSET);
1985 err = mlx4_cmd(dev, mailbox->dma, port, 0, MLX4_CMD_INIT_PORT,
1986 MLX4_CMD_TIME_CLASS_A, MLX4_CMD_NATIVE);
1988 mlx4_free_cmd_mailbox(dev, mailbox);
1990 err = mlx4_cmd(dev, 0, port, 0, MLX4_CMD_INIT_PORT,
1991 MLX4_CMD_TIME_CLASS_A, MLX4_CMD_WRAPPED);
1995 EXPORT_SYMBOL_GPL(mlx4_INIT_PORT);
1997 int mlx4_CLOSE_PORT_wrapper(struct mlx4_dev *dev, int slave,
1998 struct mlx4_vhcr *vhcr,
1999 struct mlx4_cmd_mailbox *inbox,
2000 struct mlx4_cmd_mailbox *outbox,
2001 struct mlx4_cmd_info *cmd)
2003 struct mlx4_priv *priv = mlx4_priv(dev);
2004 int port = mlx4_slave_convert_port(dev, slave, vhcr->in_modifier);
2010 if (!(priv->mfunc.master.slave_state[slave].init_port_mask &
2014 if (dev->caps.port_mask[port] != MLX4_PORT_TYPE_IB) {
2015 if (priv->mfunc.master.init_port_ref[port] == 1) {
2016 err = mlx4_cmd(dev, 0, port, 0, MLX4_CMD_CLOSE_PORT,
2017 1000, MLX4_CMD_NATIVE);
2021 priv->mfunc.master.slave_state[slave].init_port_mask &= ~(1 << port);
2023 /* infiniband port */
2024 if (slave == mlx4_master_func_num(dev)) {
2025 if (!priv->mfunc.master.qp0_state[port].qp0_active &&
2026 priv->mfunc.master.qp0_state[port].port_active) {
2027 err = mlx4_cmd(dev, 0, port, 0, MLX4_CMD_CLOSE_PORT,
2028 1000, MLX4_CMD_NATIVE);
2031 priv->mfunc.master.slave_state[slave].init_port_mask &= ~(1 << port);
2032 priv->mfunc.master.qp0_state[port].port_active = 0;
2035 priv->mfunc.master.slave_state[slave].init_port_mask &= ~(1 << port);
2037 --priv->mfunc.master.init_port_ref[port];
2041 int mlx4_CLOSE_PORT(struct mlx4_dev *dev, int port)
2043 return mlx4_cmd(dev, 0, port, 0, MLX4_CMD_CLOSE_PORT, 1000,
2046 EXPORT_SYMBOL_GPL(mlx4_CLOSE_PORT);
2048 int mlx4_CLOSE_HCA(struct mlx4_dev *dev, int panic)
2050 return mlx4_cmd(dev, 0, 0, panic, MLX4_CMD_CLOSE_HCA, 1000,
2054 struct mlx4_config_dev {
2055 __be32 update_flags;
2057 __be16 vxlan_udp_dport;
2065 #define MLX4_VXLAN_UDP_DPORT (1 << 0)
2067 static int mlx4_CONFIG_DEV_set(struct mlx4_dev *dev, struct mlx4_config_dev *config_dev)
2070 struct mlx4_cmd_mailbox *mailbox;
2072 mailbox = mlx4_alloc_cmd_mailbox(dev);
2073 if (IS_ERR(mailbox))
2074 return PTR_ERR(mailbox);
2076 memcpy(mailbox->buf, config_dev, sizeof(*config_dev));
2078 err = mlx4_cmd(dev, mailbox->dma, 0, 0, MLX4_CMD_CONFIG_DEV,
2079 MLX4_CMD_TIME_CLASS_B, MLX4_CMD_NATIVE);
2081 mlx4_free_cmd_mailbox(dev, mailbox);
2085 static int mlx4_CONFIG_DEV_get(struct mlx4_dev *dev, struct mlx4_config_dev *config_dev)
2088 struct mlx4_cmd_mailbox *mailbox;
2090 mailbox = mlx4_alloc_cmd_mailbox(dev);
2091 if (IS_ERR(mailbox))
2092 return PTR_ERR(mailbox);
2094 err = mlx4_cmd_box(dev, 0, mailbox->dma, 0, 1, MLX4_CMD_CONFIG_DEV,
2095 MLX4_CMD_TIME_CLASS_A, MLX4_CMD_NATIVE);
2098 memcpy(config_dev, mailbox->buf, sizeof(*config_dev));
2100 mlx4_free_cmd_mailbox(dev, mailbox);
2104 /* Conversion between the HW values and the actual functionality.
2105 * The value represented by the array index,
2106 * and the functionality determined by the flags.
2108 static const u8 config_dev_csum_flags[] = {
2110 [1] = MLX4_RX_CSUM_MODE_VAL_NON_TCP_UDP,
2111 [2] = MLX4_RX_CSUM_MODE_VAL_NON_TCP_UDP |
2112 MLX4_RX_CSUM_MODE_L4,
2113 [3] = MLX4_RX_CSUM_MODE_L4 |
2114 MLX4_RX_CSUM_MODE_IP_OK_IP_NON_TCP_UDP |
2115 MLX4_RX_CSUM_MODE_MULTI_VLAN
2118 int mlx4_config_dev_retrieval(struct mlx4_dev *dev,
2119 struct mlx4_config_dev_params *params)
2121 struct mlx4_config_dev config_dev;
2125 #define CONFIG_DEV_RX_CSUM_MODE_MASK 0x7
2126 #define CONFIG_DEV_RX_CSUM_MODE_PORT1_BIT_OFFSET 0
2127 #define CONFIG_DEV_RX_CSUM_MODE_PORT2_BIT_OFFSET 4
2129 if (!(dev->caps.flags2 & MLX4_DEV_CAP_FLAG2_CONFIG_DEV))
2132 err = mlx4_CONFIG_DEV_get(dev, &config_dev);
2136 csum_mask = (config_dev.rx_checksum_val >> CONFIG_DEV_RX_CSUM_MODE_PORT1_BIT_OFFSET) &
2137 CONFIG_DEV_RX_CSUM_MODE_MASK;
2139 if (csum_mask >= sizeof(config_dev_csum_flags)/sizeof(config_dev_csum_flags[0]))
2141 params->rx_csum_flags_port_1 = config_dev_csum_flags[csum_mask];
2143 csum_mask = (config_dev.rx_checksum_val >> CONFIG_DEV_RX_CSUM_MODE_PORT2_BIT_OFFSET) &
2144 CONFIG_DEV_RX_CSUM_MODE_MASK;
2146 if (csum_mask >= sizeof(config_dev_csum_flags)/sizeof(config_dev_csum_flags[0]))
2148 params->rx_csum_flags_port_2 = config_dev_csum_flags[csum_mask];
2150 params->vxlan_udp_dport = be16_to_cpu(config_dev.vxlan_udp_dport);
2154 EXPORT_SYMBOL_GPL(mlx4_config_dev_retrieval);
2156 int mlx4_config_vxlan_port(struct mlx4_dev *dev, __be16 udp_port)
2158 struct mlx4_config_dev config_dev;
2160 memset(&config_dev, 0, sizeof(config_dev));
2161 config_dev.update_flags = cpu_to_be32(MLX4_VXLAN_UDP_DPORT);
2162 config_dev.vxlan_udp_dport = udp_port;
2164 return mlx4_CONFIG_DEV_set(dev, &config_dev);
2166 EXPORT_SYMBOL_GPL(mlx4_config_vxlan_port);
2169 int mlx4_SET_ICM_SIZE(struct mlx4_dev *dev, u64 icm_size, u64 *aux_pages)
2171 int ret = mlx4_cmd_imm(dev, icm_size, aux_pages, 0, 0,
2172 MLX4_CMD_SET_ICM_SIZE,
2173 MLX4_CMD_TIME_CLASS_A, MLX4_CMD_NATIVE);
2178 * Round up number of system pages needed in case
2179 * MLX4_ICM_PAGE_SIZE < PAGE_SIZE.
2181 *aux_pages = ALIGN(*aux_pages, PAGE_SIZE / MLX4_ICM_PAGE_SIZE) >>
2182 (PAGE_SHIFT - MLX4_ICM_PAGE_SHIFT);
2187 int mlx4_NOP(struct mlx4_dev *dev)
2189 /* Input modifier of 0x1f means "finish as soon as possible." */
2190 return mlx4_cmd(dev, 0, 0x1f, 0, MLX4_CMD_NOP, 100, MLX4_CMD_NATIVE);
2193 int mlx4_get_phys_port_id(struct mlx4_dev *dev)
2197 struct mlx4_cmd_mailbox *mailbox;
2199 u32 guid_hi, guid_lo;
2201 #define MOD_STAT_CFG_PORT_OFFSET 8
2202 #define MOD_STAT_CFG_GUID_H 0X14
2203 #define MOD_STAT_CFG_GUID_L 0X1c
2205 mailbox = mlx4_alloc_cmd_mailbox(dev);
2206 if (IS_ERR(mailbox))
2207 return PTR_ERR(mailbox);
2208 outbox = mailbox->buf;
2210 for (port = 1; port <= dev->caps.num_ports; port++) {
2211 in_mod = port << MOD_STAT_CFG_PORT_OFFSET;
2212 err = mlx4_cmd_box(dev, 0, mailbox->dma, in_mod, 0x2,
2213 MLX4_CMD_MOD_STAT_CFG, MLX4_CMD_TIME_CLASS_A,
2216 mlx4_err(dev, "Fail to get port %d uplink guid\n",
2220 MLX4_GET(guid_hi, outbox, MOD_STAT_CFG_GUID_H);
2221 MLX4_GET(guid_lo, outbox, MOD_STAT_CFG_GUID_L);
2222 dev->caps.phys_port_id[port] = (u64)guid_lo |
2226 mlx4_free_cmd_mailbox(dev, mailbox);
2230 #define MLX4_WOL_SETUP_MODE (5 << 28)
2231 int mlx4_wol_read(struct mlx4_dev *dev, u64 *config, int port)
2233 u32 in_mod = MLX4_WOL_SETUP_MODE | port << 8;
2235 return mlx4_cmd_imm(dev, 0, config, in_mod, 0x3,
2236 MLX4_CMD_MOD_STAT_CFG, MLX4_CMD_TIME_CLASS_A,
2239 EXPORT_SYMBOL_GPL(mlx4_wol_read);
2241 int mlx4_wol_write(struct mlx4_dev *dev, u64 config, int port)
2243 u32 in_mod = MLX4_WOL_SETUP_MODE | port << 8;
2245 return mlx4_cmd(dev, config, in_mod, 0x1, MLX4_CMD_MOD_STAT_CFG,
2246 MLX4_CMD_TIME_CLASS_A, MLX4_CMD_NATIVE);
2248 EXPORT_SYMBOL_GPL(mlx4_wol_write);
2255 void mlx4_opreq_action(struct work_struct *work)
2257 struct mlx4_priv *priv = container_of(work, struct mlx4_priv,
2259 struct mlx4_dev *dev = &priv->dev;
2260 int num_tasks = atomic_read(&priv->opreq_count);
2261 struct mlx4_cmd_mailbox *mailbox;
2262 struct mlx4_mgm *mgm;
2274 #define GET_OP_REQ_MODIFIER_OFFSET 0x08
2275 #define GET_OP_REQ_TOKEN_OFFSET 0x14
2276 #define GET_OP_REQ_TYPE_OFFSET 0x1a
2277 #define GET_OP_REQ_DATA_OFFSET 0x20
2279 mailbox = mlx4_alloc_cmd_mailbox(dev);
2280 if (IS_ERR(mailbox)) {
2281 mlx4_err(dev, "Failed to allocate mailbox for GET_OP_REQ\n");
2284 outbox = mailbox->buf;
2287 err = mlx4_cmd_box(dev, 0, mailbox->dma, 0, 0,
2288 MLX4_CMD_GET_OP_REQ, MLX4_CMD_TIME_CLASS_A,
2291 mlx4_err(dev, "Failed to retrieve required operation: %d\n",
2295 MLX4_GET(modifier, outbox, GET_OP_REQ_MODIFIER_OFFSET);
2296 MLX4_GET(token, outbox, GET_OP_REQ_TOKEN_OFFSET);
2297 MLX4_GET(type, outbox, GET_OP_REQ_TYPE_OFFSET);
2302 if (dev->caps.steering_mode ==
2303 MLX4_STEERING_MODE_DEVICE_MANAGED) {
2304 mlx4_warn(dev, "ADD MCG operation is not supported in DEVICE_MANAGED steering mode\n");
2308 mgm = (struct mlx4_mgm *)((u8 *)(outbox) +
2309 GET_OP_REQ_DATA_OFFSET);
2310 num_qps = be32_to_cpu(mgm->members_count) &
2312 rem_mcg = ((u8 *)(&mgm->members_count))[0] & 1;
2313 prot = ((u8 *)(&mgm->members_count))[0] >> 6;
2315 for (i = 0; i < num_qps; i++) {
2316 qp.qpn = be32_to_cpu(mgm->qp[i]);
2318 err = mlx4_multicast_detach(dev, &qp,
2322 err = mlx4_multicast_attach(dev, &qp,
2332 mlx4_warn(dev, "Bad type for required operation\n");
2336 err = mlx4_cmd(dev, 0, ((u32) err |
2337 (__force u32)cpu_to_be32(token) << 16),
2338 1, MLX4_CMD_GET_OP_REQ, MLX4_CMD_TIME_CLASS_A,
2341 mlx4_err(dev, "Failed to acknowledge required request: %d\n",
2345 memset(outbox, 0, 0xffc);
2346 num_tasks = atomic_dec_return(&priv->opreq_count);
2350 mlx4_free_cmd_mailbox(dev, mailbox);
2353 static int mlx4_check_smp_firewall_active(struct mlx4_dev *dev,
2354 struct mlx4_cmd_mailbox *mailbox)
2356 #define MLX4_CMD_MAD_DEMUX_SET_ATTR_OFFSET 0x10
2357 #define MLX4_CMD_MAD_DEMUX_GETRESP_ATTR_OFFSET 0x20
2358 #define MLX4_CMD_MAD_DEMUX_TRAP_ATTR_OFFSET 0x40
2359 #define MLX4_CMD_MAD_DEMUX_TRAP_REPRESS_ATTR_OFFSET 0x70
2361 u32 set_attr_mask, getresp_attr_mask;
2362 u32 trap_attr_mask, traprepress_attr_mask;
2364 MLX4_GET(set_attr_mask, mailbox->buf,
2365 MLX4_CMD_MAD_DEMUX_SET_ATTR_OFFSET);
2366 mlx4_dbg(dev, "SMP firewall set_attribute_mask = 0x%x\n",
2369 MLX4_GET(getresp_attr_mask, mailbox->buf,
2370 MLX4_CMD_MAD_DEMUX_GETRESP_ATTR_OFFSET);
2371 mlx4_dbg(dev, "SMP firewall getresp_attribute_mask = 0x%x\n",
2374 MLX4_GET(trap_attr_mask, mailbox->buf,
2375 MLX4_CMD_MAD_DEMUX_TRAP_ATTR_OFFSET);
2376 mlx4_dbg(dev, "SMP firewall trap_attribute_mask = 0x%x\n",
2379 MLX4_GET(traprepress_attr_mask, mailbox->buf,
2380 MLX4_CMD_MAD_DEMUX_TRAP_REPRESS_ATTR_OFFSET);
2381 mlx4_dbg(dev, "SMP firewall traprepress_attribute_mask = 0x%x\n",
2382 traprepress_attr_mask);
2384 if (set_attr_mask && getresp_attr_mask && trap_attr_mask &&
2385 traprepress_attr_mask)
2391 int mlx4_config_mad_demux(struct mlx4_dev *dev)
2393 struct mlx4_cmd_mailbox *mailbox;
2394 int secure_host_active;
2397 /* Check if mad_demux is supported */
2398 if (!(dev->caps.flags2 & MLX4_DEV_CAP_FLAG2_MAD_DEMUX))
2401 mailbox = mlx4_alloc_cmd_mailbox(dev);
2402 if (IS_ERR(mailbox)) {
2403 mlx4_warn(dev, "Failed to allocate mailbox for cmd MAD_DEMUX");
2407 /* Query mad_demux to find out which MADs are handled by internal sma */
2408 err = mlx4_cmd_box(dev, 0, mailbox->dma, 0x01 /* subn mgmt class */,
2409 MLX4_CMD_MAD_DEMUX_QUERY_RESTR, MLX4_CMD_MAD_DEMUX,
2410 MLX4_CMD_TIME_CLASS_B, MLX4_CMD_NATIVE);
2412 mlx4_warn(dev, "MLX4_CMD_MAD_DEMUX: query restrictions failed (%d)\n",
2417 secure_host_active = mlx4_check_smp_firewall_active(dev, mailbox);
2419 /* Config mad_demux to handle all MADs returned by the query above */
2420 err = mlx4_cmd(dev, mailbox->dma, 0x01 /* subn mgmt class */,
2421 MLX4_CMD_MAD_DEMUX_CONFIG, MLX4_CMD_MAD_DEMUX,
2422 MLX4_CMD_TIME_CLASS_B, MLX4_CMD_NATIVE);
2424 mlx4_warn(dev, "MLX4_CMD_MAD_DEMUX: configure failed (%d)\n", err);
2428 if (secure_host_active)
2429 mlx4_warn(dev, "HCA operating in secure-host mode. SMP firewall activated.\n");
2431 mlx4_free_cmd_mailbox(dev, mailbox);
2435 /* Access Reg commands */
2436 enum mlx4_access_reg_masks {
2437 MLX4_ACCESS_REG_STATUS_MASK = 0x7f,
2438 MLX4_ACCESS_REG_METHOD_MASK = 0x7f,
2439 MLX4_ACCESS_REG_LEN_MASK = 0x7ff
2442 struct mlx4_access_reg {
2452 #define MLX4_ACCESS_REG_HEADER_SIZE (20)
2453 u8 reg_data[MLX4_MAILBOX_SIZE-MLX4_ACCESS_REG_HEADER_SIZE];
2454 } __attribute__((__packed__));
2457 * mlx4_ACCESS_REG - Generic access reg command.
2459 * @reg_id: register ID to access.
2460 * @method: Access method Read/Write.
2461 * @reg_len: register length to Read/Write in bytes.
2462 * @reg_data: reg_data pointer to Read/Write From/To.
2464 * Access ConnectX registers FW command.
2465 * Returns 0 on success and copies outbox mlx4_access_reg data
2466 * field into reg_data or a negative error code.
2468 static int mlx4_ACCESS_REG(struct mlx4_dev *dev, u16 reg_id,
2469 enum mlx4_access_reg_method method,
2470 u16 reg_len, void *reg_data)
2472 struct mlx4_cmd_mailbox *inbox, *outbox;
2473 struct mlx4_access_reg *inbuf, *outbuf;
2476 inbox = mlx4_alloc_cmd_mailbox(dev);
2478 return PTR_ERR(inbox);
2480 outbox = mlx4_alloc_cmd_mailbox(dev);
2481 if (IS_ERR(outbox)) {
2482 mlx4_free_cmd_mailbox(dev, inbox);
2483 return PTR_ERR(outbox);
2487 outbuf = outbox->buf;
2489 inbuf->constant1 = cpu_to_be16(0x1<<11 | 0x4);
2490 inbuf->constant2 = 0x1;
2491 inbuf->reg_id = cpu_to_be16(reg_id);
2492 inbuf->method = method & MLX4_ACCESS_REG_METHOD_MASK;
2494 reg_len = min(reg_len, (u16)(sizeof(inbuf->reg_data)));
2496 cpu_to_be16(((reg_len/4 + 1) & MLX4_ACCESS_REG_LEN_MASK) |
2499 memcpy(inbuf->reg_data, reg_data, reg_len);
2500 err = mlx4_cmd_box(dev, inbox->dma, outbox->dma, 0, 0,
2501 MLX4_CMD_ACCESS_REG, MLX4_CMD_TIME_CLASS_C,
2506 if (outbuf->status & MLX4_ACCESS_REG_STATUS_MASK) {
2507 err = outbuf->status & MLX4_ACCESS_REG_STATUS_MASK;
2509 "MLX4_CMD_ACCESS_REG(%x) returned REG status (%x)\n",
2514 memcpy(reg_data, outbuf->reg_data, reg_len);
2516 mlx4_free_cmd_mailbox(dev, inbox);
2517 mlx4_free_cmd_mailbox(dev, outbox);
2521 /* ConnectX registers IDs */
2523 MLX4_REG_ID_PTYS = 0x5004,
2527 * mlx4_ACCESS_PTYS_REG - Access PTYs (Port Type and Speed)
2530 * @method: Access method Read/Write.
2531 * @ptys_reg: PTYS register data pointer.
2533 * Access ConnectX PTYS register, to Read/Write Port Type/Speed
2535 * Returns 0 on success or a negative error code.
2537 int mlx4_ACCESS_PTYS_REG(struct mlx4_dev *dev,
2538 enum mlx4_access_reg_method method,
2539 struct mlx4_ptys_reg *ptys_reg)
2541 return mlx4_ACCESS_REG(dev, MLX4_REG_ID_PTYS,
2542 method, sizeof(*ptys_reg), ptys_reg);
2544 EXPORT_SYMBOL_GPL(mlx4_ACCESS_PTYS_REG);
2546 int mlx4_ACCESS_REG_wrapper(struct mlx4_dev *dev, int slave,
2547 struct mlx4_vhcr *vhcr,
2548 struct mlx4_cmd_mailbox *inbox,
2549 struct mlx4_cmd_mailbox *outbox,
2550 struct mlx4_cmd_info *cmd)
2552 struct mlx4_access_reg *inbuf = inbox->buf;
2553 u8 method = inbuf->method & MLX4_ACCESS_REG_METHOD_MASK;
2554 u16 reg_id = be16_to_cpu(inbuf->reg_id);
2556 if (slave != mlx4_master_func_num(dev) &&
2557 method == MLX4_ACCESS_REG_WRITE)
2560 if (reg_id == MLX4_REG_ID_PTYS) {
2561 struct mlx4_ptys_reg *ptys_reg =
2562 (struct mlx4_ptys_reg *)inbuf->reg_data;
2564 ptys_reg->local_port =
2565 mlx4_slave_convert_port(dev, slave,
2566 ptys_reg->local_port);
2569 return mlx4_cmd_box(dev, inbox->dma, outbox->dma, vhcr->in_modifier,
2570 0, MLX4_CMD_ACCESS_REG, MLX4_CMD_TIME_CLASS_C,