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pvrusb2: reduce stack usage pvr2_eeprom_analyze()
[linux/fpc-iii.git] / drivers / net / ethernet / mellanox / mlx4 / fw.c
blob84bab9f0732ea239bce5adaac7eb52d0298cc751
1 /*
2 * Copyright (c) 2004, 2005 Topspin Communications. All rights reserved.
3 * Copyright (c) 2005, 2006, 2007, 2008 Mellanox Technologies. All rights reserved.
4 * Copyright (c) 2005, 2006, 2007 Cisco Systems, Inc. All rights reserved.
5 *
6 * This software is available to you under a choice of one of two
7 * licenses. You may choose to be licensed under the terms of the GNU
8 * General Public License (GPL) Version 2, available from the file
9 * COPYING in the main directory of this source tree, or the
10 * OpenIB.org BSD license below:
11 *
12 * Redistribution and use in source and binary forms, with or
13 * without modification, are permitted provided that the following
14 * conditions are met:
15 *
16 * - Redistributions of source code must retain the above
17 * copyright notice, this list of conditions and the following
18 * disclaimer.
19 *
20 * - Redistributions in binary form must reproduce the above
21 * copyright notice, this list of conditions and the following
22 * disclaimer in the documentation and/or other materials
23 * provided with the distribution.
24 *
25 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
26 * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
27 * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
28 * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS
29 * BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN
30 * ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
31 * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
32 * SOFTWARE.
33 */
34
35 #include <linux/etherdevice.h>
36 #include <linux/mlx4/cmd.h>
37 #include <linux/module.h>
38 #include <linux/cache.h>
39
40 #include "fw.h"
41 #include "icm.h"
42
43 enum {
44 MLX4_COMMAND_INTERFACE_MIN_REV = 2,
45 MLX4_COMMAND_INTERFACE_MAX_REV = 3,
46 MLX4_COMMAND_INTERFACE_NEW_PORT_CMDS = 3,
47 };
48
49 extern void __buggy_use_of_MLX4_GET(void);
50 extern void __buggy_use_of_MLX4_PUT(void);
51
52 static bool enable_qos;
53 module_param(enable_qos, bool, 0444);
54 MODULE_PARM_DESC(enable_qos, "Enable Enhanced QoS support (default: off)");
55
56 #define MLX4_GET(dest, source, offset) \
57 do { \
58 void *__p = (char *) (source) + (offset); \
59 u64 val; \
60 switch (sizeof (dest)) { \
61 case 1: (dest) = *(u8 *) __p; break; \
62 case 2: (dest) = be16_to_cpup(__p); break; \
63 case 4: (dest) = be32_to_cpup(__p); break; \
64 case 8: val = get_unaligned((u64 *)__p); \
65 (dest) = be64_to_cpu(val); break; \
66 default: __buggy_use_of_MLX4_GET(); \
67 } \
68 } while (0)
69
70 #define MLX4_PUT(dest, source, offset) \
71 do { \
72 void *__d = ((char *) (dest) + (offset)); \
73 switch (sizeof(source)) { \
74 case 1: *(u8 *) __d = (source); break; \
75 case 2: *(__be16 *) __d = cpu_to_be16(source); break; \
76 case 4: *(__be32 *) __d = cpu_to_be32(source); break; \
77 case 8: *(__be64 *) __d = cpu_to_be64(source); break; \
78 default: __buggy_use_of_MLX4_PUT(); \
79 } \
80 } while (0)
81
82 static void dump_dev_cap_flags(struct mlx4_dev *dev, u64 flags)
83 {
84 static const char *fname[] = {
85 [ 0] = "RC transport",
86 [ 1] = "UC transport",
87 [ 2] = "UD transport",
88 [ 3] = "XRC transport",
89 [ 6] = "SRQ support",
90 [ 7] = "IPoIB checksum offload",
91 [ 8] = "P_Key violation counter",
92 [ 9] = "Q_Key violation counter",
93 [12] = "Dual Port Different Protocol (DPDP) support",
94 [15] = "Big LSO headers",
95 [16] = "MW support",
96 [17] = "APM support",
97 [18] = "Atomic ops support",
98 [19] = "Raw multicast support",
99 [20] = "Address vector port checking support",
100 [21] = "UD multicast support",
101 [30] = "IBoE support",
102 [32] = "Unicast loopback support",
103 [34] = "FCS header control",
104 [37] = "Wake On LAN (port1) support",
105 [38] = "Wake On LAN (port2) support",
106 [40] = "UDP RSS support",
107 [41] = "Unicast VEP steering support",
108 [42] = "Multicast VEP steering support",
109 [48] = "Counters support",
110 [52] = "RSS IP fragments support",
111 [53] = "Port ETS Scheduler support",
112 [55] = "Port link type sensing support",
113 [59] = "Port management change event support",
114 [61] = "64 byte EQE support",
115 [62] = "64 byte CQE support",
116 };
117 int i;
118
119 mlx4_dbg(dev, "DEV_CAP flags:\n");
120 for (i = 0; i < ARRAY_SIZE(fname); ++i)
121 if (fname[i] && (flags & (1LL << i)))
122 mlx4_dbg(dev, " %s\n", fname[i]);
123 }
124
125 static void dump_dev_cap_flags2(struct mlx4_dev *dev, u64 flags)
126 {
127 static const char * const fname[] = {
128 [0] = "RSS support",
129 [1] = "RSS Toeplitz Hash Function support",
130 [2] = "RSS XOR Hash Function support",
131 [3] = "Device managed flow steering support",
132 [4] = "Automatic MAC reassignment support",
133 [5] = "Time stamping support",
134 [6] = "VST (control vlan insertion/stripping) support",
135 [7] = "FSM (MAC anti-spoofing) support",
136 [8] = "Dynamic QP updates support",
137 [9] = "Device managed flow steering IPoIB support",
138 [10] = "TCP/IP offloads/flow-steering for VXLAN support",
139 [11] = "MAD DEMUX (Secure-Host) support",
140 [12] = "Large cache line (>64B) CQE stride support",
141 [13] = "Large cache line (>64B) EQE stride support",
142 [14] = "Ethernet protocol control support",
143 [15] = "Ethernet Backplane autoneg support",
144 [16] = "CONFIG DEV support",
145 [17] = "Asymmetric EQs support",
146 [18] = "More than 80 VFs support",
147 [19] = "Performance optimized for limited rule configuration flow steering support",
148 [20] = "Recoverable error events support",
149 [21] = "Port Remap support",
150 [22] = "QCN support",
151 [23] = "QP rate limiting support",
152 [24] = "Ethernet Flow control statistics support",
153 [25] = "Granular QoS per VF support",
154 [26] = "Port ETS Scheduler support",
155 [27] = "Port beacon support",
156 [28] = "RX-ALL support",
157 [29] = "802.1ad offload support",
158 [31] = "Modifying loopback source checks using UPDATE_QP support",
159 [32] = "Loopback source checks support",
160 [33] = "RoCEv2 support",
161 [34] = "DMFS Sniffer support (UC & MC)",
162 [35] = "QinQ VST mode support",
163 [36] = "sl to vl mapping table change event support"
164 };
165 int i;
166
167 for (i = 0; i < ARRAY_SIZE(fname); ++i)
168 if (fname[i] && (flags & (1LL << i)))
169 mlx4_dbg(dev, " %s\n", fname[i]);
170 }
171
172 int mlx4_MOD_STAT_CFG(struct mlx4_dev *dev, struct mlx4_mod_stat_cfg *cfg)
173 {
174 struct mlx4_cmd_mailbox *mailbox;
175 u32 *inbox;
176 int err = 0;
177
178 #define MOD_STAT_CFG_IN_SIZE 0x100
179
180 #define MOD_STAT_CFG_PG_SZ_M_OFFSET 0x002
181 #define MOD_STAT_CFG_PG_SZ_OFFSET 0x003
182
183 mailbox = mlx4_alloc_cmd_mailbox(dev);
184 if (IS_ERR(mailbox))
185 return PTR_ERR(mailbox);
186 inbox = mailbox->buf;
187
188 MLX4_PUT(inbox, cfg->log_pg_sz, MOD_STAT_CFG_PG_SZ_OFFSET);
189 MLX4_PUT(inbox, cfg->log_pg_sz_m, MOD_STAT_CFG_PG_SZ_M_OFFSET);
190
191 err = mlx4_cmd(dev, mailbox->dma, 0, 0, MLX4_CMD_MOD_STAT_CFG,
192 MLX4_CMD_TIME_CLASS_A, MLX4_CMD_NATIVE);
193
194 mlx4_free_cmd_mailbox(dev, mailbox);
195 return err;
196 }
197
198 int mlx4_QUERY_FUNC(struct mlx4_dev *dev, struct mlx4_func *func, int slave)
199 {
200 struct mlx4_cmd_mailbox *mailbox;
201 u32 *outbox;
202 u8 in_modifier;
203 u8 field;
204 u16 field16;
205 int err;
206
207 #define QUERY_FUNC_BUS_OFFSET 0x00
208 #define QUERY_FUNC_DEVICE_OFFSET 0x01
209 #define QUERY_FUNC_FUNCTION_OFFSET 0x01
210 #define QUERY_FUNC_PHYSICAL_FUNCTION_OFFSET 0x03
211 #define QUERY_FUNC_RSVD_EQS_OFFSET 0x04
212 #define QUERY_FUNC_MAX_EQ_OFFSET 0x06
213 #define QUERY_FUNC_RSVD_UARS_OFFSET 0x0b
214
215 mailbox = mlx4_alloc_cmd_mailbox(dev);
216 if (IS_ERR(mailbox))
217 return PTR_ERR(mailbox);
218 outbox = mailbox->buf;
219
220 in_modifier = slave;
221
222 err = mlx4_cmd_box(dev, 0, mailbox->dma, in_modifier, 0,
223 MLX4_CMD_QUERY_FUNC,
224 MLX4_CMD_TIME_CLASS_A,
225 MLX4_CMD_NATIVE);
226 if (err)
227 goto out;
228
229 MLX4_GET(field, outbox, QUERY_FUNC_BUS_OFFSET);
230 func->bus = field & 0xf;
231 MLX4_GET(field, outbox, QUERY_FUNC_DEVICE_OFFSET);
232 func->device = field & 0xf1;
233 MLX4_GET(field, outbox, QUERY_FUNC_FUNCTION_OFFSET);
234 func->function = field & 0x7;
235 MLX4_GET(field, outbox, QUERY_FUNC_PHYSICAL_FUNCTION_OFFSET);
236 func->physical_function = field & 0xf;
237 MLX4_GET(field16, outbox, QUERY_FUNC_RSVD_EQS_OFFSET);
238 func->rsvd_eqs = field16 & 0xffff;
239 MLX4_GET(field16, outbox, QUERY_FUNC_MAX_EQ_OFFSET);
240 func->max_eq = field16 & 0xffff;
241 MLX4_GET(field, outbox, QUERY_FUNC_RSVD_UARS_OFFSET);
242 func->rsvd_uars = field & 0x0f;
243
244 mlx4_dbg(dev, "Bus: %d, Device: %d, Function: %d, Physical function: %d, Max EQs: %d, Reserved EQs: %d, Reserved UARs: %d\n",
245 func->bus, func->device, func->function, func->physical_function,
246 func->max_eq, func->rsvd_eqs, func->rsvd_uars);
247
248 out:
249 mlx4_free_cmd_mailbox(dev, mailbox);
250 return err;
251 }
252
253 static int mlx4_activate_vst_qinq(struct mlx4_priv *priv, int slave, int port)
254 {
255 struct mlx4_vport_oper_state *vp_oper;
256 struct mlx4_vport_state *vp_admin;
257 int err;
258
259 vp_oper = &priv->mfunc.master.vf_oper[slave].vport[port];
260 vp_admin = &priv->mfunc.master.vf_admin[slave].vport[port];
261
262 if (vp_admin->default_vlan != vp_oper->state.default_vlan) {
263 err = __mlx4_register_vlan(&priv->dev, port,
264 vp_admin->default_vlan,
265 &vp_oper->vlan_idx);
266 if (err) {
267 vp_oper->vlan_idx = NO_INDX;
268 mlx4_warn(&priv->dev,
269 "No vlan resources slave %d, port %d\n",
270 slave, port);
271 return err;
272 }
273 mlx4_dbg(&priv->dev, "alloc vlan %d idx %d slave %d port %d\n",
274 (int)(vp_oper->state.default_vlan),
275 vp_oper->vlan_idx, slave, port);
276 }
277 vp_oper->state.vlan_proto = vp_admin->vlan_proto;
278 vp_oper->state.default_vlan = vp_admin->default_vlan;
279 vp_oper->state.default_qos = vp_admin->default_qos;
280
281 return 0;
282 }
283
284 static int mlx4_handle_vst_qinq(struct mlx4_priv *priv, int slave, int port)
285 {
286 struct mlx4_vport_oper_state *vp_oper;
287 struct mlx4_slave_state *slave_state;
288 struct mlx4_vport_state *vp_admin;
289 int err;
290
291 vp_oper = &priv->mfunc.master.vf_oper[slave].vport[port];
292 vp_admin = &priv->mfunc.master.vf_admin[slave].vport[port];
293 slave_state = &priv->mfunc.master.slave_state[slave];
294
295 if ((vp_admin->vlan_proto != htons(ETH_P_8021AD)) ||
296 (!slave_state->active))
297 return 0;
298
299 if (vp_oper->state.vlan_proto == vp_admin->vlan_proto &&
300 vp_oper->state.default_vlan == vp_admin->default_vlan &&
301 vp_oper->state.default_qos == vp_admin->default_qos)
302 return 0;
303
304 if (!slave_state->vst_qinq_supported) {
305 /* Warn and revert the request to set vst QinQ mode */
306 vp_admin->vlan_proto = vp_oper->state.vlan_proto;
307 vp_admin->default_vlan = vp_oper->state.default_vlan;
308 vp_admin->default_qos = vp_oper->state.default_qos;
309
310 mlx4_warn(&priv->dev,
311 "Slave %d does not support VST QinQ mode\n", slave);
312 return 0;
313 }
314
315 err = mlx4_activate_vst_qinq(priv, slave, port);
316 return err;
317 }
318
319 int mlx4_QUERY_FUNC_CAP_wrapper(struct mlx4_dev *dev, int slave,
320 struct mlx4_vhcr *vhcr,
321 struct mlx4_cmd_mailbox *inbox,
322 struct mlx4_cmd_mailbox *outbox,
323 struct mlx4_cmd_info *cmd)
324 {
325 struct mlx4_priv *priv = mlx4_priv(dev);
326 u8 field, port;
327 u32 size, proxy_qp, qkey;
328 int err = 0;
329 struct mlx4_func func;
330
331 #define QUERY_FUNC_CAP_FLAGS_OFFSET 0x0
332 #define QUERY_FUNC_CAP_NUM_PORTS_OFFSET 0x1
333 #define QUERY_FUNC_CAP_PF_BHVR_OFFSET 0x4
334 #define QUERY_FUNC_CAP_FMR_OFFSET 0x8
335 #define QUERY_FUNC_CAP_QP_QUOTA_OFFSET_DEP 0x10
336 #define QUERY_FUNC_CAP_CQ_QUOTA_OFFSET_DEP 0x14
337 #define QUERY_FUNC_CAP_SRQ_QUOTA_OFFSET_DEP 0x18
338 #define QUERY_FUNC_CAP_MPT_QUOTA_OFFSET_DEP 0x20
339 #define QUERY_FUNC_CAP_MTT_QUOTA_OFFSET_DEP 0x24
340 #define QUERY_FUNC_CAP_MCG_QUOTA_OFFSET_DEP 0x28
341 #define QUERY_FUNC_CAP_MAX_EQ_OFFSET 0x2c
342 #define QUERY_FUNC_CAP_RESERVED_EQ_OFFSET 0x30
343 #define QUERY_FUNC_CAP_QP_RESD_LKEY_OFFSET 0x48
344
345 #define QUERY_FUNC_CAP_QP_QUOTA_OFFSET 0x50
346 #define QUERY_FUNC_CAP_CQ_QUOTA_OFFSET 0x54
347 #define QUERY_FUNC_CAP_SRQ_QUOTA_OFFSET 0x58
348 #define QUERY_FUNC_CAP_MPT_QUOTA_OFFSET 0x60
349 #define QUERY_FUNC_CAP_MTT_QUOTA_OFFSET 0x64
350 #define QUERY_FUNC_CAP_MCG_QUOTA_OFFSET 0x68
351
352 #define QUERY_FUNC_CAP_EXTRA_FLAGS_OFFSET 0x6c
353
354 #define QUERY_FUNC_CAP_FMR_FLAG 0x80
355 #define QUERY_FUNC_CAP_FLAG_RDMA 0x40
356 #define QUERY_FUNC_CAP_FLAG_ETH 0x80
357 #define QUERY_FUNC_CAP_FLAG_QUOTAS 0x10
358 #define QUERY_FUNC_CAP_FLAG_RESD_LKEY 0x08
359 #define QUERY_FUNC_CAP_FLAG_VALID_MAILBOX 0x04
360
361 #define QUERY_FUNC_CAP_EXTRA_FLAGS_BF_QP_ALLOC_FLAG (1UL << 31)
362 #define QUERY_FUNC_CAP_EXTRA_FLAGS_A0_QP_ALLOC_FLAG (1UL << 30)
363
364 /* when opcode modifier = 1 */
365 #define QUERY_FUNC_CAP_PHYS_PORT_OFFSET 0x3
366 #define QUERY_FUNC_CAP_PRIV_VF_QKEY_OFFSET 0x4
367 #define QUERY_FUNC_CAP_FLAGS0_OFFSET 0x8
368 #define QUERY_FUNC_CAP_FLAGS1_OFFSET 0xc
369
370 #define QUERY_FUNC_CAP_QP0_TUNNEL 0x10
371 #define QUERY_FUNC_CAP_QP0_PROXY 0x14
372 #define QUERY_FUNC_CAP_QP1_TUNNEL 0x18
373 #define QUERY_FUNC_CAP_QP1_PROXY 0x1c
374 #define QUERY_FUNC_CAP_PHYS_PORT_ID 0x28
375
376 #define QUERY_FUNC_CAP_FLAGS1_FORCE_MAC 0x40
377 #define QUERY_FUNC_CAP_FLAGS1_FORCE_VLAN 0x80
378 #define QUERY_FUNC_CAP_FLAGS1_NIC_INFO 0x10
379 #define QUERY_FUNC_CAP_VF_ENABLE_QP0 0x08
380
381 #define QUERY_FUNC_CAP_FLAGS0_FORCE_PHY_WQE_GID 0x80
382 #define QUERY_FUNC_CAP_PHV_BIT 0x40
383 #define QUERY_FUNC_CAP_VLAN_OFFLOAD_DISABLE 0x20
384
385 #define QUERY_FUNC_CAP_SUPPORTS_VST_QINQ BIT(30)
386 #define QUERY_FUNC_CAP_SUPPORTS_NON_POWER_OF_2_NUM_EQS BIT(31)
387
388 if (vhcr->op_modifier == 1) {
389 struct mlx4_active_ports actv_ports =
390 mlx4_get_active_ports(dev, slave);
391 int converted_port = mlx4_slave_convert_port(
392 dev, slave, vhcr->in_modifier);
393 struct mlx4_vport_oper_state *vp_oper;
394
395 if (converted_port < 0)
396 return -EINVAL;
397
398 vhcr->in_modifier = converted_port;
399 /* phys-port = logical-port */
400 field = vhcr->in_modifier -
401 find_first_bit(actv_ports.ports, dev->caps.num_ports);
402 MLX4_PUT(outbox->buf, field, QUERY_FUNC_CAP_PHYS_PORT_OFFSET);
403
404 port = vhcr->in_modifier;
405 proxy_qp = dev->phys_caps.base_proxy_sqpn + 8 * slave + port - 1;
406
407 /* Set nic_info bit to mark new fields support */
408 field = QUERY_FUNC_CAP_FLAGS1_NIC_INFO;
409
410 if (mlx4_vf_smi_enabled(dev, slave, port) &&
411 !mlx4_get_parav_qkey(dev, proxy_qp, &qkey)) {
412 field |= QUERY_FUNC_CAP_VF_ENABLE_QP0;
413 MLX4_PUT(outbox->buf, qkey,
414 QUERY_FUNC_CAP_PRIV_VF_QKEY_OFFSET);
415 }
416 MLX4_PUT(outbox->buf, field, QUERY_FUNC_CAP_FLAGS1_OFFSET);
417
418 /* size is now the QP number */
419 size = dev->phys_caps.base_tunnel_sqpn + 8 * slave + port - 1;
420 MLX4_PUT(outbox->buf, size, QUERY_FUNC_CAP_QP0_TUNNEL);
421
422 size += 2;
423 MLX4_PUT(outbox->buf, size, QUERY_FUNC_CAP_QP1_TUNNEL);
424
425 MLX4_PUT(outbox->buf, proxy_qp, QUERY_FUNC_CAP_QP0_PROXY);
426 proxy_qp += 2;
427 MLX4_PUT(outbox->buf, proxy_qp, QUERY_FUNC_CAP_QP1_PROXY);
428
429 MLX4_PUT(outbox->buf, dev->caps.phys_port_id[vhcr->in_modifier],
430 QUERY_FUNC_CAP_PHYS_PORT_ID);
431
432 vp_oper = &priv->mfunc.master.vf_oper[slave].vport[port];
433 err = mlx4_handle_vst_qinq(priv, slave, port);
434 if (err)
435 return err;
436
437 field = 0;
438 if (dev->caps.phv_bit[port])
439 field |= QUERY_FUNC_CAP_PHV_BIT;
440 if (vp_oper->state.vlan_proto == htons(ETH_P_8021AD))
441 field |= QUERY_FUNC_CAP_VLAN_OFFLOAD_DISABLE;
442 MLX4_PUT(outbox->buf, field, QUERY_FUNC_CAP_FLAGS0_OFFSET);
443
444 } else if (vhcr->op_modifier == 0) {
445 struct mlx4_active_ports actv_ports =
446 mlx4_get_active_ports(dev, slave);
447 struct mlx4_slave_state *slave_state =
448 &priv->mfunc.master.slave_state[slave];
449
450 /* enable rdma and ethernet interfaces, new quota locations,
451 * and reserved lkey
452 */
453 field = (QUERY_FUNC_CAP_FLAG_ETH | QUERY_FUNC_CAP_FLAG_RDMA |
454 QUERY_FUNC_CAP_FLAG_QUOTAS | QUERY_FUNC_CAP_FLAG_VALID_MAILBOX |
455 QUERY_FUNC_CAP_FLAG_RESD_LKEY);
456 MLX4_PUT(outbox->buf, field, QUERY_FUNC_CAP_FLAGS_OFFSET);
457
458 field = min(
459 bitmap_weight(actv_ports.ports, dev->caps.num_ports),
460 dev->caps.num_ports);
461 MLX4_PUT(outbox->buf, field, QUERY_FUNC_CAP_NUM_PORTS_OFFSET);
462
463 size = dev->caps.function_caps; /* set PF behaviours */
464 MLX4_PUT(outbox->buf, size, QUERY_FUNC_CAP_PF_BHVR_OFFSET);
465
466 field = 0; /* protected FMR support not available as yet */
467 MLX4_PUT(outbox->buf, field, QUERY_FUNC_CAP_FMR_OFFSET);
468
469 size = priv->mfunc.master.res_tracker.res_alloc[RES_QP].quota[slave];
470 MLX4_PUT(outbox->buf, size, QUERY_FUNC_CAP_QP_QUOTA_OFFSET);
471 size = dev->caps.num_qps;
472 MLX4_PUT(outbox->buf, size, QUERY_FUNC_CAP_QP_QUOTA_OFFSET_DEP);
473
474 size = priv->mfunc.master.res_tracker.res_alloc[RES_SRQ].quota[slave];
475 MLX4_PUT(outbox->buf, size, QUERY_FUNC_CAP_SRQ_QUOTA_OFFSET);
476 size = dev->caps.num_srqs;
477 MLX4_PUT(outbox->buf, size, QUERY_FUNC_CAP_SRQ_QUOTA_OFFSET_DEP);
478
479 size = priv->mfunc.master.res_tracker.res_alloc[RES_CQ].quota[slave];
480 MLX4_PUT(outbox->buf, size, QUERY_FUNC_CAP_CQ_QUOTA_OFFSET);
481 size = dev->caps.num_cqs;
482 MLX4_PUT(outbox->buf, size, QUERY_FUNC_CAP_CQ_QUOTA_OFFSET_DEP);
483
484 if (!(dev->caps.flags2 & MLX4_DEV_CAP_FLAG2_SYS_EQS) ||
485 mlx4_QUERY_FUNC(dev, &func, slave)) {
486 size = vhcr->in_modifier &
487 QUERY_FUNC_CAP_SUPPORTS_NON_POWER_OF_2_NUM_EQS ?
488 dev->caps.num_eqs :
489 rounddown_pow_of_two(dev->caps.num_eqs);
490 MLX4_PUT(outbox->buf, size, QUERY_FUNC_CAP_MAX_EQ_OFFSET);
491 size = dev->caps.reserved_eqs;
492 MLX4_PUT(outbox->buf, size, QUERY_FUNC_CAP_RESERVED_EQ_OFFSET);
493 } else {
494 size = vhcr->in_modifier &
495 QUERY_FUNC_CAP_SUPPORTS_NON_POWER_OF_2_NUM_EQS ?
496 func.max_eq :
497 rounddown_pow_of_two(func.max_eq);
498 MLX4_PUT(outbox->buf, size, QUERY_FUNC_CAP_MAX_EQ_OFFSET);
499 size = func.rsvd_eqs;
500 MLX4_PUT(outbox->buf, size, QUERY_FUNC_CAP_RESERVED_EQ_OFFSET);
501 }
502
503 size = priv->mfunc.master.res_tracker.res_alloc[RES_MPT].quota[slave];
504 MLX4_PUT(outbox->buf, size, QUERY_FUNC_CAP_MPT_QUOTA_OFFSET);
505 size = dev->caps.num_mpts;
506 MLX4_PUT(outbox->buf, size, QUERY_FUNC_CAP_MPT_QUOTA_OFFSET_DEP);
507
508 size = priv->mfunc.master.res_tracker.res_alloc[RES_MTT].quota[slave];
509 MLX4_PUT(outbox->buf, size, QUERY_FUNC_CAP_MTT_QUOTA_OFFSET);
510 size = dev->caps.num_mtts;
511 MLX4_PUT(outbox->buf, size, QUERY_FUNC_CAP_MTT_QUOTA_OFFSET_DEP);
512
513 size = dev->caps.num_mgms + dev->caps.num_amgms;
514 MLX4_PUT(outbox->buf, size, QUERY_FUNC_CAP_MCG_QUOTA_OFFSET);
515 MLX4_PUT(outbox->buf, size, QUERY_FUNC_CAP_MCG_QUOTA_OFFSET_DEP);
516
517 size = QUERY_FUNC_CAP_EXTRA_FLAGS_BF_QP_ALLOC_FLAG |
518 QUERY_FUNC_CAP_EXTRA_FLAGS_A0_QP_ALLOC_FLAG;
519 MLX4_PUT(outbox->buf, size, QUERY_FUNC_CAP_EXTRA_FLAGS_OFFSET);
520
521 size = dev->caps.reserved_lkey + ((slave << 8) & 0xFF00);
522 MLX4_PUT(outbox->buf, size, QUERY_FUNC_CAP_QP_RESD_LKEY_OFFSET);
523
524 if (vhcr->in_modifier & QUERY_FUNC_CAP_SUPPORTS_VST_QINQ)
525 slave_state->vst_qinq_supported = true;
526
527 } else
528 err = -EINVAL;
529
530 return err;
531 }
532
533 int mlx4_QUERY_FUNC_CAP(struct mlx4_dev *dev, u8 gen_or_port,
534 struct mlx4_func_cap *func_cap)
535 {
536 struct mlx4_cmd_mailbox *mailbox;
537 u32 *outbox;
538 u8 field, op_modifier;
539 u32 size, qkey;
540 int err = 0, quotas = 0;
541 u32 in_modifier;
542 u32 slave_caps;
543
544 op_modifier = !!gen_or_port; /* 0 = general, 1 = logical port */
545 slave_caps = QUERY_FUNC_CAP_SUPPORTS_VST_QINQ |
546 QUERY_FUNC_CAP_SUPPORTS_NON_POWER_OF_2_NUM_EQS;
547 in_modifier = op_modifier ? gen_or_port : slave_caps;
548
549 mailbox = mlx4_alloc_cmd_mailbox(dev);
550 if (IS_ERR(mailbox))
551 return PTR_ERR(mailbox);
552
553 err = mlx4_cmd_box(dev, 0, mailbox->dma, in_modifier, op_modifier,
554 MLX4_CMD_QUERY_FUNC_CAP,
555 MLX4_CMD_TIME_CLASS_A, MLX4_CMD_WRAPPED);
556 if (err)
557 goto out;
558
559 outbox = mailbox->buf;
560
561 if (!op_modifier) {
562 MLX4_GET(field, outbox, QUERY_FUNC_CAP_FLAGS_OFFSET);
563 if (!(field & (QUERY_FUNC_CAP_FLAG_ETH | QUERY_FUNC_CAP_FLAG_RDMA))) {
564 mlx4_err(dev, "The host supports neither eth nor rdma interfaces\n");
565 err = -EPROTONOSUPPORT;
566 goto out;
567 }
568 func_cap->flags = field;
569 quotas = !!(func_cap->flags & QUERY_FUNC_CAP_FLAG_QUOTAS);
570
571 MLX4_GET(field, outbox, QUERY_FUNC_CAP_NUM_PORTS_OFFSET);
572 func_cap->num_ports = field;
573
574 MLX4_GET(size, outbox, QUERY_FUNC_CAP_PF_BHVR_OFFSET);
575 func_cap->pf_context_behaviour = size;
576
577 if (quotas) {
578 MLX4_GET(size, outbox, QUERY_FUNC_CAP_QP_QUOTA_OFFSET);
579 func_cap->qp_quota = size & 0xFFFFFF;
580
581 MLX4_GET(size, outbox, QUERY_FUNC_CAP_SRQ_QUOTA_OFFSET);
582 func_cap->srq_quota = size & 0xFFFFFF;
583
584 MLX4_GET(size, outbox, QUERY_FUNC_CAP_CQ_QUOTA_OFFSET);
585 func_cap->cq_quota = size & 0xFFFFFF;
586
587 MLX4_GET(size, outbox, QUERY_FUNC_CAP_MPT_QUOTA_OFFSET);
588 func_cap->mpt_quota = size & 0xFFFFFF;
589
590 MLX4_GET(size, outbox, QUERY_FUNC_CAP_MTT_QUOTA_OFFSET);
591 func_cap->mtt_quota = size & 0xFFFFFF;
592
593 MLX4_GET(size, outbox, QUERY_FUNC_CAP_MCG_QUOTA_OFFSET);
594 func_cap->mcg_quota = size & 0xFFFFFF;
595
596 } else {
597 MLX4_GET(size, outbox, QUERY_FUNC_CAP_QP_QUOTA_OFFSET_DEP);
598 func_cap->qp_quota = size & 0xFFFFFF;
599
600 MLX4_GET(size, outbox, QUERY_FUNC_CAP_SRQ_QUOTA_OFFSET_DEP);
601 func_cap->srq_quota = size & 0xFFFFFF;
602
603 MLX4_GET(size, outbox, QUERY_FUNC_CAP_CQ_QUOTA_OFFSET_DEP);
604 func_cap->cq_quota = size & 0xFFFFFF;
605
606 MLX4_GET(size, outbox, QUERY_FUNC_CAP_MPT_QUOTA_OFFSET_DEP);
607 func_cap->mpt_quota = size & 0xFFFFFF;
608
609 MLX4_GET(size, outbox, QUERY_FUNC_CAP_MTT_QUOTA_OFFSET_DEP);
610 func_cap->mtt_quota = size & 0xFFFFFF;
611
612 MLX4_GET(size, outbox, QUERY_FUNC_CAP_MCG_QUOTA_OFFSET_DEP);
613 func_cap->mcg_quota = size & 0xFFFFFF;
614 }
615 MLX4_GET(size, outbox, QUERY_FUNC_CAP_MAX_EQ_OFFSET);
616 func_cap->max_eq = size & 0xFFFFFF;
617
618 MLX4_GET(size, outbox, QUERY_FUNC_CAP_RESERVED_EQ_OFFSET);
619 func_cap->reserved_eq = size & 0xFFFFFF;
620
621 if (func_cap->flags & QUERY_FUNC_CAP_FLAG_RESD_LKEY) {
622 MLX4_GET(size, outbox, QUERY_FUNC_CAP_QP_RESD_LKEY_OFFSET);
623 func_cap->reserved_lkey = size;
624 } else {
625 func_cap->reserved_lkey = 0;
626 }
627
628 func_cap->extra_flags = 0;
629
630 /* Mailbox data from 0x6c and onward should only be treated if
631 * QUERY_FUNC_CAP_FLAG_VALID_MAILBOX is set in func_cap->flags
632 */
633 if (func_cap->flags & QUERY_FUNC_CAP_FLAG_VALID_MAILBOX) {
634 MLX4_GET(size, outbox, QUERY_FUNC_CAP_EXTRA_FLAGS_OFFSET);
635 if (size & QUERY_FUNC_CAP_EXTRA_FLAGS_BF_QP_ALLOC_FLAG)
636 func_cap->extra_flags |= MLX4_QUERY_FUNC_FLAGS_BF_RES_QP;
637 if (size & QUERY_FUNC_CAP_EXTRA_FLAGS_A0_QP_ALLOC_FLAG)
638 func_cap->extra_flags |= MLX4_QUERY_FUNC_FLAGS_A0_RES_QP;
639 }
640
641 goto out;
642 }
643
644 /* logical port query */
645 if (gen_or_port > dev->caps.num_ports) {
646 err = -EINVAL;
647 goto out;
648 }
649
650 MLX4_GET(func_cap->flags1, outbox, QUERY_FUNC_CAP_FLAGS1_OFFSET);
651 if (dev->caps.port_type[gen_or_port] == MLX4_PORT_TYPE_ETH) {
652 if (func_cap->flags1 & QUERY_FUNC_CAP_FLAGS1_FORCE_VLAN) {
653 mlx4_err(dev, "VLAN is enforced on this port\n");
654 err = -EPROTONOSUPPORT;
655 goto out;
656 }
657
658 if (func_cap->flags1 & QUERY_FUNC_CAP_FLAGS1_FORCE_MAC) {
659 mlx4_err(dev, "Force mac is enabled on this port\n");
660 err = -EPROTONOSUPPORT;
661 goto out;
662 }
663 } else if (dev->caps.port_type[gen_or_port] == MLX4_PORT_TYPE_IB) {
664 MLX4_GET(field, outbox, QUERY_FUNC_CAP_FLAGS0_OFFSET);
665 if (field & QUERY_FUNC_CAP_FLAGS0_FORCE_PHY_WQE_GID) {
666 mlx4_err(dev, "phy_wqe_gid is enforced on this ib port\n");
667 err = -EPROTONOSUPPORT;
668 goto out;
669 }
670 }
671
672 MLX4_GET(field, outbox, QUERY_FUNC_CAP_PHYS_PORT_OFFSET);
673 func_cap->physical_port = field;
674 if (func_cap->physical_port != gen_or_port) {
675 err = -ENOSYS;
676 goto out;
677 }
678
679 if (func_cap->flags1 & QUERY_FUNC_CAP_VF_ENABLE_QP0) {
680 MLX4_GET(qkey, outbox, QUERY_FUNC_CAP_PRIV_VF_QKEY_OFFSET);
681 func_cap->qp0_qkey = qkey;
682 } else {
683 func_cap->qp0_qkey = 0;
684 }
685
686 MLX4_GET(size, outbox, QUERY_FUNC_CAP_QP0_TUNNEL);
687 func_cap->qp0_tunnel_qpn = size & 0xFFFFFF;
688
689 MLX4_GET(size, outbox, QUERY_FUNC_CAP_QP0_PROXY);
690 func_cap->qp0_proxy_qpn = size & 0xFFFFFF;
691
692 MLX4_GET(size, outbox, QUERY_FUNC_CAP_QP1_TUNNEL);
693 func_cap->qp1_tunnel_qpn = size & 0xFFFFFF;
694
695 MLX4_GET(size, outbox, QUERY_FUNC_CAP_QP1_PROXY);
696 func_cap->qp1_proxy_qpn = size & 0xFFFFFF;
697
698 if (func_cap->flags1 & QUERY_FUNC_CAP_FLAGS1_NIC_INFO)
699 MLX4_GET(func_cap->phys_port_id, outbox,
700 QUERY_FUNC_CAP_PHYS_PORT_ID);
701
702 MLX4_GET(func_cap->flags0, outbox, QUERY_FUNC_CAP_FLAGS0_OFFSET);
703
704 /* All other resources are allocated by the master, but we still report
705 * 'num' and 'reserved' capabilities as follows:
706 * - num remains the maximum resource index
707 * - 'num - reserved' is the total available objects of a resource, but
708 * resource indices may be less than 'reserved'
709 * TODO: set per-resource quotas */
710
711 out:
712 mlx4_free_cmd_mailbox(dev, mailbox);
713
714 return err;
715 }
716
717 static void disable_unsupported_roce_caps(void *buf);
718
719 int mlx4_QUERY_DEV_CAP(struct mlx4_dev *dev, struct mlx4_dev_cap *dev_cap)
720 {
721 struct mlx4_cmd_mailbox *mailbox;
722 u32 *outbox;
723 u8 field;
724 u32 field32, flags, ext_flags;
725 u16 size;
726 u16 stat_rate;
727 int err;
728 int i;
729
730 #define QUERY_DEV_CAP_OUT_SIZE 0x100
731 #define QUERY_DEV_CAP_MAX_SRQ_SZ_OFFSET 0x10
732 #define QUERY_DEV_CAP_MAX_QP_SZ_OFFSET 0x11
733 #define QUERY_DEV_CAP_RSVD_QP_OFFSET 0x12
734 #define QUERY_DEV_CAP_MAX_QP_OFFSET 0x13
735 #define QUERY_DEV_CAP_RSVD_SRQ_OFFSET 0x14
736 #define QUERY_DEV_CAP_MAX_SRQ_OFFSET 0x15
737 #define QUERY_DEV_CAP_RSVD_EEC_OFFSET 0x16
738 #define QUERY_DEV_CAP_MAX_EEC_OFFSET 0x17
739 #define QUERY_DEV_CAP_MAX_CQ_SZ_OFFSET 0x19
740 #define QUERY_DEV_CAP_RSVD_CQ_OFFSET 0x1a
741 #define QUERY_DEV_CAP_MAX_CQ_OFFSET 0x1b
742 #define QUERY_DEV_CAP_MAX_MPT_OFFSET 0x1d
743 #define QUERY_DEV_CAP_RSVD_EQ_OFFSET 0x1e
744 #define QUERY_DEV_CAP_MAX_EQ_OFFSET 0x1f
745 #define QUERY_DEV_CAP_RSVD_MTT_OFFSET 0x20
746 #define QUERY_DEV_CAP_MAX_MRW_SZ_OFFSET 0x21
747 #define QUERY_DEV_CAP_RSVD_MRW_OFFSET 0x22
748 #define QUERY_DEV_CAP_MAX_MTT_SEG_OFFSET 0x23
749 #define QUERY_DEV_CAP_NUM_SYS_EQ_OFFSET 0x26
750 #define QUERY_DEV_CAP_MAX_AV_OFFSET 0x27
751 #define QUERY_DEV_CAP_MAX_REQ_QP_OFFSET 0x29
752 #define QUERY_DEV_CAP_MAX_RES_QP_OFFSET 0x2b
753 #define QUERY_DEV_CAP_MAX_GSO_OFFSET 0x2d
754 #define QUERY_DEV_CAP_RSS_OFFSET 0x2e
755 #define QUERY_DEV_CAP_MAX_RDMA_OFFSET 0x2f
756 #define QUERY_DEV_CAP_RSZ_SRQ_OFFSET 0x33
757 #define QUERY_DEV_CAP_PORT_BEACON_OFFSET 0x34
758 #define QUERY_DEV_CAP_ACK_DELAY_OFFSET 0x35
759 #define QUERY_DEV_CAP_MTU_WIDTH_OFFSET 0x36
760 #define QUERY_DEV_CAP_VL_PORT_OFFSET 0x37
761 #define QUERY_DEV_CAP_MAX_MSG_SZ_OFFSET 0x38
762 #define QUERY_DEV_CAP_MAX_GID_OFFSET 0x3b
763 #define QUERY_DEV_CAP_RATE_SUPPORT_OFFSET 0x3c
764 #define QUERY_DEV_CAP_CQ_TS_SUPPORT_OFFSET 0x3e
765 #define QUERY_DEV_CAP_MAX_PKEY_OFFSET 0x3f
766 #define QUERY_DEV_CAP_EXT_FLAGS_OFFSET 0x40
767 #define QUERY_DEV_CAP_FLAGS_OFFSET 0x44
768 #define QUERY_DEV_CAP_RSVD_UAR_OFFSET 0x48
769 #define QUERY_DEV_CAP_UAR_SZ_OFFSET 0x49
770 #define QUERY_DEV_CAP_PAGE_SZ_OFFSET 0x4b
771 #define QUERY_DEV_CAP_BF_OFFSET 0x4c
772 #define QUERY_DEV_CAP_LOG_BF_REG_SZ_OFFSET 0x4d
773 #define QUERY_DEV_CAP_LOG_MAX_BF_REGS_PER_PAGE_OFFSET 0x4e
774 #define QUERY_DEV_CAP_LOG_MAX_BF_PAGES_OFFSET 0x4f
775 #define QUERY_DEV_CAP_MAX_SG_SQ_OFFSET 0x51
776 #define QUERY_DEV_CAP_MAX_DESC_SZ_SQ_OFFSET 0x52
777 #define QUERY_DEV_CAP_MAX_SG_RQ_OFFSET 0x55
778 #define QUERY_DEV_CAP_MAX_DESC_SZ_RQ_OFFSET 0x56
779 #define QUERY_DEV_CAP_SVLAN_BY_QP_OFFSET 0x5D
780 #define QUERY_DEV_CAP_MAX_QP_MCG_OFFSET 0x61
781 #define QUERY_DEV_CAP_RSVD_MCG_OFFSET 0x62
782 #define QUERY_DEV_CAP_MAX_MCG_OFFSET 0x63
783 #define QUERY_DEV_CAP_RSVD_PD_OFFSET 0x64
784 #define QUERY_DEV_CAP_MAX_PD_OFFSET 0x65
785 #define QUERY_DEV_CAP_RSVD_XRC_OFFSET 0x66
786 #define QUERY_DEV_CAP_MAX_XRC_OFFSET 0x67
787 #define QUERY_DEV_CAP_MAX_COUNTERS_OFFSET 0x68
788 #define QUERY_DEV_CAP_PORT_FLOWSTATS_COUNTERS_OFFSET 0x70
789 #define QUERY_DEV_CAP_EXT_2_FLAGS_OFFSET 0x70
790 #define QUERY_DEV_CAP_FLOW_STEERING_IPOIB_OFFSET 0x74
791 #define QUERY_DEV_CAP_FLOW_STEERING_RANGE_EN_OFFSET 0x76
792 #define QUERY_DEV_CAP_FLOW_STEERING_MAX_QP_OFFSET 0x77
793 #define QUERY_DEV_CAP_SL2VL_EVENT_OFFSET 0x78
794 #define QUERY_DEV_CAP_CQ_EQ_CACHE_LINE_STRIDE 0x7a
795 #define QUERY_DEV_CAP_ECN_QCN_VER_OFFSET 0x7b
796 #define QUERY_DEV_CAP_RDMARC_ENTRY_SZ_OFFSET 0x80
797 #define QUERY_DEV_CAP_QPC_ENTRY_SZ_OFFSET 0x82
798 #define QUERY_DEV_CAP_AUX_ENTRY_SZ_OFFSET 0x84
799 #define QUERY_DEV_CAP_ALTC_ENTRY_SZ_OFFSET 0x86
800 #define QUERY_DEV_CAP_EQC_ENTRY_SZ_OFFSET 0x88
801 #define QUERY_DEV_CAP_CQC_ENTRY_SZ_OFFSET 0x8a
802 #define QUERY_DEV_CAP_SRQ_ENTRY_SZ_OFFSET 0x8c
803 #define QUERY_DEV_CAP_C_MPT_ENTRY_SZ_OFFSET 0x8e
804 #define QUERY_DEV_CAP_MTT_ENTRY_SZ_OFFSET 0x90
805 #define QUERY_DEV_CAP_D_MPT_ENTRY_SZ_OFFSET 0x92
806 #define QUERY_DEV_CAP_BMME_FLAGS_OFFSET 0x94
807 #define QUERY_DEV_CAP_CONFIG_DEV_OFFSET 0x94
808 #define QUERY_DEV_CAP_PHV_EN_OFFSET 0x96
809 #define QUERY_DEV_CAP_RSVD_LKEY_OFFSET 0x98
810 #define QUERY_DEV_CAP_MAX_ICM_SZ_OFFSET 0xa0
811 #define QUERY_DEV_CAP_ETH_BACKPL_OFFSET 0x9c
812 #define QUERY_DEV_CAP_DIAG_RPRT_PER_PORT 0x9c
813 #define QUERY_DEV_CAP_FW_REASSIGN_MAC 0x9d
814 #define QUERY_DEV_CAP_VXLAN 0x9e
815 #define QUERY_DEV_CAP_MAD_DEMUX_OFFSET 0xb0
816 #define QUERY_DEV_CAP_DMFS_HIGH_RATE_QPN_BASE_OFFSET 0xa8
817 #define QUERY_DEV_CAP_DMFS_HIGH_RATE_QPN_RANGE_OFFSET 0xac
818 #define QUERY_DEV_CAP_QP_RATE_LIMIT_NUM_OFFSET 0xcc
819 #define QUERY_DEV_CAP_QP_RATE_LIMIT_MAX_OFFSET 0xd0
820 #define QUERY_DEV_CAP_QP_RATE_LIMIT_MIN_OFFSET 0xd2
821
822
823 dev_cap->flags2 = 0;
824 mailbox = mlx4_alloc_cmd_mailbox(dev);
825 if (IS_ERR(mailbox))
826 return PTR_ERR(mailbox);
827 outbox = mailbox->buf;
828
829 err = mlx4_cmd_box(dev, 0, mailbox->dma, 0, 0, MLX4_CMD_QUERY_DEV_CAP,
830 MLX4_CMD_TIME_CLASS_A, MLX4_CMD_NATIVE);
831 if (err)
832 goto out;
833
834 if (mlx4_is_mfunc(dev))
835 disable_unsupported_roce_caps(outbox);
836 MLX4_GET(field, outbox, QUERY_DEV_CAP_RSVD_QP_OFFSET);
837 dev_cap->reserved_qps = 1 << (field & 0xf);
838 MLX4_GET(field, outbox, QUERY_DEV_CAP_MAX_QP_OFFSET);
839 dev_cap->max_qps = 1 << (field & 0x1f);
840 MLX4_GET(field, outbox, QUERY_DEV_CAP_RSVD_SRQ_OFFSET);
841 dev_cap->reserved_srqs = 1 << (field >> 4);
842 MLX4_GET(field, outbox, QUERY_DEV_CAP_MAX_SRQ_OFFSET);
843 dev_cap->max_srqs = 1 << (field & 0x1f);
844 MLX4_GET(field, outbox, QUERY_DEV_CAP_MAX_CQ_SZ_OFFSET);
845 dev_cap->max_cq_sz = 1 << field;
846 MLX4_GET(field, outbox, QUERY_DEV_CAP_RSVD_CQ_OFFSET);
847 dev_cap->reserved_cqs = 1 << (field & 0xf);
848 MLX4_GET(field, outbox, QUERY_DEV_CAP_MAX_CQ_OFFSET);
849 dev_cap->max_cqs = 1 << (field & 0x1f);
850 MLX4_GET(field, outbox, QUERY_DEV_CAP_MAX_MPT_OFFSET);
851 dev_cap->max_mpts = 1 << (field & 0x3f);
852 MLX4_GET(field, outbox, QUERY_DEV_CAP_RSVD_EQ_OFFSET);
853 dev_cap->reserved_eqs = 1 << (field & 0xf);
854 MLX4_GET(field, outbox, QUERY_DEV_CAP_MAX_EQ_OFFSET);
855 dev_cap->max_eqs = 1 << (field & 0xf);
856 MLX4_GET(field, outbox, QUERY_DEV_CAP_RSVD_MTT_OFFSET);
857 dev_cap->reserved_mtts = 1 << (field >> 4);
858 MLX4_GET(field, outbox, QUERY_DEV_CAP_RSVD_MRW_OFFSET);
859 dev_cap->reserved_mrws = 1 << (field & 0xf);
860 MLX4_GET(size, outbox, QUERY_DEV_CAP_NUM_SYS_EQ_OFFSET);
861 dev_cap->num_sys_eqs = size & 0xfff;
862 MLX4_GET(field, outbox, QUERY_DEV_CAP_MAX_REQ_QP_OFFSET);
863 dev_cap->max_requester_per_qp = 1 << (field & 0x3f);
864 MLX4_GET(field, outbox, QUERY_DEV_CAP_MAX_RES_QP_OFFSET);
865 dev_cap->max_responder_per_qp = 1 << (field & 0x3f);
866 MLX4_GET(field, outbox, QUERY_DEV_CAP_MAX_GSO_OFFSET);
867 field &= 0x1f;
868 if (!field)
869 dev_cap->max_gso_sz = 0;
870 else
871 dev_cap->max_gso_sz = 1 << field;
872
873 MLX4_GET(field, outbox, QUERY_DEV_CAP_RSS_OFFSET);
874 if (field & 0x20)
875 dev_cap->flags2 |= MLX4_DEV_CAP_FLAG2_RSS_XOR;
876 if (field & 0x10)
877 dev_cap->flags2 |= MLX4_DEV_CAP_FLAG2_RSS_TOP;
878 field &= 0xf;
879 if (field) {
880 dev_cap->flags2 |= MLX4_DEV_CAP_FLAG2_RSS;
881 dev_cap->max_rss_tbl_sz = 1 << field;
882 } else
883 dev_cap->max_rss_tbl_sz = 0;
884 MLX4_GET(field, outbox, QUERY_DEV_CAP_MAX_RDMA_OFFSET);
885 dev_cap->max_rdma_global = 1 << (field & 0x3f);
886 MLX4_GET(field, outbox, QUERY_DEV_CAP_ACK_DELAY_OFFSET);
887 dev_cap->local_ca_ack_delay = field & 0x1f;
888 MLX4_GET(field, outbox, QUERY_DEV_CAP_VL_PORT_OFFSET);
889 dev_cap->num_ports = field & 0xf;
890 MLX4_GET(field, outbox, QUERY_DEV_CAP_MAX_MSG_SZ_OFFSET);
891 dev_cap->max_msg_sz = 1 << (field & 0x1f);
892 MLX4_GET(field, outbox, QUERY_DEV_CAP_PORT_FLOWSTATS_COUNTERS_OFFSET);
893 if (field & 0x10)
894 dev_cap->flags2 |= MLX4_DEV_CAP_FLAG2_FLOWSTATS_EN;
895 MLX4_GET(field, outbox, QUERY_DEV_CAP_FLOW_STEERING_RANGE_EN_OFFSET);
896 if (field & 0x80)
897 dev_cap->flags2 |= MLX4_DEV_CAP_FLAG2_FS_EN;
898 dev_cap->fs_log_max_ucast_qp_range_size = field & 0x1f;
899 if (field & 0x20)
900 dev_cap->flags2 |= MLX4_DEV_CAP_FLAG2_DMFS_UC_MC_SNIFFER;
901 MLX4_GET(field, outbox, QUERY_DEV_CAP_PORT_BEACON_OFFSET);
902 if (field & 0x80)
903 dev_cap->flags2 |= MLX4_DEV_CAP_FLAG2_PORT_BEACON;
904 MLX4_GET(field, outbox, QUERY_DEV_CAP_FLOW_STEERING_IPOIB_OFFSET);
905 if (field & 0x80)
906 dev_cap->flags2 |= MLX4_DEV_CAP_FLAG2_DMFS_IPOIB;
907 MLX4_GET(field, outbox, QUERY_DEV_CAP_FLOW_STEERING_MAX_QP_OFFSET);
908 dev_cap->fs_max_num_qp_per_entry = field;
909 MLX4_GET(field, outbox, QUERY_DEV_CAP_SL2VL_EVENT_OFFSET);
910 if (field & (1 << 5))
911 dev_cap->flags2 |= MLX4_DEV_CAP_FLAG2_SL_TO_VL_CHANGE_EVENT;
912 MLX4_GET(field, outbox, QUERY_DEV_CAP_ECN_QCN_VER_OFFSET);
913 if (field & 0x1)
914 dev_cap->flags2 |= MLX4_DEV_CAP_FLAG2_QCN;
915 MLX4_GET(stat_rate, outbox, QUERY_DEV_CAP_RATE_SUPPORT_OFFSET);
916 dev_cap->stat_rate_support = stat_rate;
917 MLX4_GET(field, outbox, QUERY_DEV_CAP_CQ_TS_SUPPORT_OFFSET);
918 if (field & 0x80)
919 dev_cap->flags2 |= MLX4_DEV_CAP_FLAG2_TS;
920 MLX4_GET(ext_flags, outbox, QUERY_DEV_CAP_EXT_FLAGS_OFFSET);
921 MLX4_GET(flags, outbox, QUERY_DEV_CAP_FLAGS_OFFSET);
922 dev_cap->flags = flags | (u64)ext_flags << 32;
923 MLX4_GET(field, outbox, QUERY_DEV_CAP_RSVD_UAR_OFFSET);
924 dev_cap->reserved_uars = field >> 4;
925 MLX4_GET(field, outbox, QUERY_DEV_CAP_UAR_SZ_OFFSET);
926 dev_cap->uar_size = 1 << ((field & 0x3f) + 20);
927 MLX4_GET(field, outbox, QUERY_DEV_CAP_PAGE_SZ_OFFSET);
928 dev_cap->min_page_sz = 1 << field;
929
930 MLX4_GET(field, outbox, QUERY_DEV_CAP_BF_OFFSET);
931 if (field & 0x80) {
932 MLX4_GET(field, outbox, QUERY_DEV_CAP_LOG_BF_REG_SZ_OFFSET);
933 dev_cap->bf_reg_size = 1 << (field & 0x1f);
934 MLX4_GET(field, outbox, QUERY_DEV_CAP_LOG_MAX_BF_REGS_PER_PAGE_OFFSET);
935 if ((1 << (field & 0x3f)) > (PAGE_SIZE / dev_cap->bf_reg_size))
936 field = 3;
937 dev_cap->bf_regs_per_page = 1 << (field & 0x3f);
938 } else {
939 dev_cap->bf_reg_size = 0;
940 }
941
942 MLX4_GET(field, outbox, QUERY_DEV_CAP_MAX_SG_SQ_OFFSET);
943 dev_cap->max_sq_sg = field;
944 MLX4_GET(size, outbox, QUERY_DEV_CAP_MAX_DESC_SZ_SQ_OFFSET);
945 dev_cap->max_sq_desc_sz = size;
946
947 MLX4_GET(field, outbox, QUERY_DEV_CAP_SVLAN_BY_QP_OFFSET);
948 if (field & 0x1)
949 dev_cap->flags2 |= MLX4_DEV_CAP_FLAG2_SVLAN_BY_QP;
950 MLX4_GET(field, outbox, QUERY_DEV_CAP_MAX_QP_MCG_OFFSET);
951 dev_cap->max_qp_per_mcg = 1 << field;
952 MLX4_GET(field, outbox, QUERY_DEV_CAP_RSVD_MCG_OFFSET);
953 dev_cap->reserved_mgms = field & 0xf;
954 MLX4_GET(field, outbox, QUERY_DEV_CAP_MAX_MCG_OFFSET);
955 dev_cap->max_mcgs = 1 << field;
956 MLX4_GET(field, outbox, QUERY_DEV_CAP_RSVD_PD_OFFSET);
957 dev_cap->reserved_pds = field >> 4;
958 MLX4_GET(field, outbox, QUERY_DEV_CAP_MAX_PD_OFFSET);
959 dev_cap->max_pds = 1 << (field & 0x3f);
960 MLX4_GET(field, outbox, QUERY_DEV_CAP_RSVD_XRC_OFFSET);
961 dev_cap->reserved_xrcds = field >> 4;
962 MLX4_GET(field, outbox, QUERY_DEV_CAP_MAX_XRC_OFFSET);
963 dev_cap->max_xrcds = 1 << (field & 0x1f);
964
965 MLX4_GET(size, outbox, QUERY_DEV_CAP_RDMARC_ENTRY_SZ_OFFSET);
966 dev_cap->rdmarc_entry_sz = size;
967 MLX4_GET(size, outbox, QUERY_DEV_CAP_QPC_ENTRY_SZ_OFFSET);
968 dev_cap->qpc_entry_sz = size;
969 MLX4_GET(size, outbox, QUERY_DEV_CAP_AUX_ENTRY_SZ_OFFSET);
970 dev_cap->aux_entry_sz = size;
971 MLX4_GET(size, outbox, QUERY_DEV_CAP_ALTC_ENTRY_SZ_OFFSET);
972 dev_cap->altc_entry_sz = size;
973 MLX4_GET(size, outbox, QUERY_DEV_CAP_EQC_ENTRY_SZ_OFFSET);
974 dev_cap->eqc_entry_sz = size;
975 MLX4_GET(size, outbox, QUERY_DEV_CAP_CQC_ENTRY_SZ_OFFSET);
976 dev_cap->cqc_entry_sz = size;
977 MLX4_GET(size, outbox, QUERY_DEV_CAP_SRQ_ENTRY_SZ_OFFSET);
978 dev_cap->srq_entry_sz = size;
979 MLX4_GET(size, outbox, QUERY_DEV_CAP_C_MPT_ENTRY_SZ_OFFSET);
980 dev_cap->cmpt_entry_sz = size;
981 MLX4_GET(size, outbox, QUERY_DEV_CAP_MTT_ENTRY_SZ_OFFSET);
982 dev_cap->mtt_entry_sz = size;
983 MLX4_GET(size, outbox, QUERY_DEV_CAP_D_MPT_ENTRY_SZ_OFFSET);
984 dev_cap->dmpt_entry_sz = size;
985
986 MLX4_GET(field, outbox, QUERY_DEV_CAP_MAX_SRQ_SZ_OFFSET);
987 dev_cap->max_srq_sz = 1 << field;
988 MLX4_GET(field, outbox, QUERY_DEV_CAP_MAX_QP_SZ_OFFSET);
989 dev_cap->max_qp_sz = 1 << field;
990 MLX4_GET(field, outbox, QUERY_DEV_CAP_RSZ_SRQ_OFFSET);
991 dev_cap->resize_srq = field & 1;
992 MLX4_GET(field, outbox, QUERY_DEV_CAP_MAX_SG_RQ_OFFSET);
993 dev_cap->max_rq_sg = field;
994 MLX4_GET(size, outbox, QUERY_DEV_CAP_MAX_DESC_SZ_RQ_OFFSET);
995 dev_cap->max_rq_desc_sz = size;
996 MLX4_GET(field, outbox, QUERY_DEV_CAP_CQ_EQ_CACHE_LINE_STRIDE);
997 if (field & (1 << 4))
998 dev_cap->flags2 |= MLX4_DEV_CAP_FLAG2_QOS_VPP;
999 if (field & (1 << 5))
1000 dev_cap->flags2 |= MLX4_DEV_CAP_FLAG2_ETH_PROT_CTRL;
1001 if (field & (1 << 6))
1002 dev_cap->flags2 |= MLX4_DEV_CAP_FLAG2_CQE_STRIDE;
1003 if (field & (1 << 7))
1004 dev_cap->flags2 |= MLX4_DEV_CAP_FLAG2_EQE_STRIDE;
1005 MLX4_GET(dev_cap->bmme_flags, outbox,
1006 QUERY_DEV_CAP_BMME_FLAGS_OFFSET);
1007 if (dev_cap->bmme_flags & MLX4_FLAG_ROCE_V1_V2)
1008 dev_cap->flags2 |= MLX4_DEV_CAP_FLAG2_ROCE_V1_V2;
1009 if (dev_cap->bmme_flags & MLX4_FLAG_PORT_REMAP)
1010 dev_cap->flags2 |= MLX4_DEV_CAP_FLAG2_PORT_REMAP;
1011 MLX4_GET(field, outbox, QUERY_DEV_CAP_CONFIG_DEV_OFFSET);
1012 if (field & 0x20)
1013 dev_cap->flags2 |= MLX4_DEV_CAP_FLAG2_CONFIG_DEV;
1014 if (field & (1 << 2))
1015 dev_cap->flags2 |= MLX4_DEV_CAP_FLAG2_IGNORE_FCS;
1016 MLX4_GET(field, outbox, QUERY_DEV_CAP_PHV_EN_OFFSET);
1017 if (field & 0x80)
1018 dev_cap->flags2 |= MLX4_DEV_CAP_FLAG2_PHV_EN;
1019 if (field & 0x40)
1020 dev_cap->flags2 |= MLX4_DEV_CAP_FLAG2_SKIP_OUTER_VLAN;
1021
1022 MLX4_GET(dev_cap->reserved_lkey, outbox,
1023 QUERY_DEV_CAP_RSVD_LKEY_OFFSET);
1024 MLX4_GET(field32, outbox, QUERY_DEV_CAP_ETH_BACKPL_OFFSET);
1025 if (field32 & (1 << 0))
1026 dev_cap->flags2 |= MLX4_DEV_CAP_FLAG2_ETH_BACKPL_AN_REP;
1027 if (field32 & (1 << 7))
1028 dev_cap->flags2 |= MLX4_DEV_CAP_FLAG2_RECOVERABLE_ERROR_EVENT;
1029 MLX4_GET(field32, outbox, QUERY_DEV_CAP_DIAG_RPRT_PER_PORT);
1030 if (field32 & (1 << 17))
1031 dev_cap->flags2 |= MLX4_DEV_CAP_FLAG2_DIAG_PER_PORT;
1032 MLX4_GET(field, outbox, QUERY_DEV_CAP_FW_REASSIGN_MAC);
1033 if (field & 1<<6)
1034 dev_cap->flags2 |= MLX4_DEV_CAP_FLAG2_REASSIGN_MAC_EN;
1035 MLX4_GET(field, outbox, QUERY_DEV_CAP_VXLAN);
1036 if (field & 1<<3)
1037 dev_cap->flags2 |= MLX4_DEV_CAP_FLAG2_VXLAN_OFFLOADS;
1038 if (field & (1 << 5))
1039 dev_cap->flags2 |= MLX4_DEV_CAP_FLAG2_ETS_CFG;
1040 MLX4_GET(dev_cap->max_icm_sz, outbox,
1041 QUERY_DEV_CAP_MAX_ICM_SZ_OFFSET);
1042 if (dev_cap->flags & MLX4_DEV_CAP_FLAG_COUNTERS)
1043 MLX4_GET(dev_cap->max_counters, outbox,
1044 QUERY_DEV_CAP_MAX_COUNTERS_OFFSET);
1045
1046 MLX4_GET(field32, outbox,
1047 QUERY_DEV_CAP_MAD_DEMUX_OFFSET);
1048 if (field32 & (1 << 0))
1049 dev_cap->flags2 |= MLX4_DEV_CAP_FLAG2_MAD_DEMUX;
1050
1051 MLX4_GET(dev_cap->dmfs_high_rate_qpn_base, outbox,
1052 QUERY_DEV_CAP_DMFS_HIGH_RATE_QPN_BASE_OFFSET);
1053 dev_cap->dmfs_high_rate_qpn_base &= MGM_QPN_MASK;
1054 MLX4_GET(dev_cap->dmfs_high_rate_qpn_range, outbox,
1055 QUERY_DEV_CAP_DMFS_HIGH_RATE_QPN_RANGE_OFFSET);
1056 dev_cap->dmfs_high_rate_qpn_range &= MGM_QPN_MASK;
1057
1058 MLX4_GET(size, outbox, QUERY_DEV_CAP_QP_RATE_LIMIT_NUM_OFFSET);
1059 dev_cap->rl_caps.num_rates = size;
1060 if (dev_cap->rl_caps.num_rates) {
1061 dev_cap->flags2 |= MLX4_DEV_CAP_FLAG2_QP_RATE_LIMIT;
1062 MLX4_GET(size, outbox, QUERY_DEV_CAP_QP_RATE_LIMIT_MAX_OFFSET);
1063 dev_cap->rl_caps.max_val = size & 0xfff;
1064 dev_cap->rl_caps.max_unit = size >> 14;
1065 MLX4_GET(size, outbox, QUERY_DEV_CAP_QP_RATE_LIMIT_MIN_OFFSET);
1066 dev_cap->rl_caps.min_val = size & 0xfff;
1067 dev_cap->rl_caps.min_unit = size >> 14;
1068 }
1069
1070 MLX4_GET(field32, outbox, QUERY_DEV_CAP_EXT_2_FLAGS_OFFSET);
1071 if (field32 & (1 << 16))
1072 dev_cap->flags2 |= MLX4_DEV_CAP_FLAG2_UPDATE_QP;
1073 if (field32 & (1 << 18))
1074 dev_cap->flags2 |= MLX4_DEV_CAP_FLAG2_UPDATE_QP_SRC_CHECK_LB;
1075 if (field32 & (1 << 19))
1076 dev_cap->flags2 |= MLX4_DEV_CAP_FLAG2_LB_SRC_CHK;
1077 if (field32 & (1 << 26))
1078 dev_cap->flags2 |= MLX4_DEV_CAP_FLAG2_VLAN_CONTROL;
1079 if (field32 & (1 << 20))
1080 dev_cap->flags2 |= MLX4_DEV_CAP_FLAG2_FSM;
1081 if (field32 & (1 << 21))
1082 dev_cap->flags2 |= MLX4_DEV_CAP_FLAG2_80_VFS;
1083
1084 for (i = 1; i <= dev_cap->num_ports; i++) {
1085 err = mlx4_QUERY_PORT(dev, i, dev_cap->port_cap + i);
1086 if (err)
1087 goto out;
1088 }
1089
1090 /*
1091 * Each UAR has 4 EQ doorbells; so if a UAR is reserved, then
1092 * we can't use any EQs whose doorbell falls on that page,
1093 * even if the EQ itself isn't reserved.
1094 */
1095 if (dev_cap->num_sys_eqs == 0)
1096 dev_cap->reserved_eqs = max(dev_cap->reserved_uars * 4,
1097 dev_cap->reserved_eqs);
1098 else
1099 dev_cap->flags2 |= MLX4_DEV_CAP_FLAG2_SYS_EQS;
1100
1101 out:
1102 mlx4_free_cmd_mailbox(dev, mailbox);
1103 return err;
1104 }
1105
1106 void mlx4_dev_cap_dump(struct mlx4_dev *dev, struct mlx4_dev_cap *dev_cap)
1107 {
1108 if (dev_cap->bf_reg_size > 0)
1109 mlx4_dbg(dev, "BlueFlame available (reg size %d, regs/page %d)\n",
1110 dev_cap->bf_reg_size, dev_cap->bf_regs_per_page);
1111 else
1112 mlx4_dbg(dev, "BlueFlame not available\n");
1113
1114 mlx4_dbg(dev, "Base MM extensions: flags %08x, rsvd L_Key %08x\n",
1115 dev_cap->bmme_flags, dev_cap->reserved_lkey);
1116 mlx4_dbg(dev, "Max ICM size %lld MB\n",
1117 (unsigned long long) dev_cap->max_icm_sz >> 20);
1118 mlx4_dbg(dev, "Max QPs: %d, reserved QPs: %d, entry size: %d\n",
1119 dev_cap->max_qps, dev_cap->reserved_qps, dev_cap->qpc_entry_sz);
1120 mlx4_dbg(dev, "Max SRQs: %d, reserved SRQs: %d, entry size: %d\n",
1121 dev_cap->max_srqs, dev_cap->reserved_srqs, dev_cap->srq_entry_sz);
1122 mlx4_dbg(dev, "Max CQs: %d, reserved CQs: %d, entry size: %d\n",
1123 dev_cap->max_cqs, dev_cap->reserved_cqs, dev_cap->cqc_entry_sz);
1124 mlx4_dbg(dev, "Num sys EQs: %d, max EQs: %d, reserved EQs: %d, entry size: %d\n",
1125 dev_cap->num_sys_eqs, dev_cap->max_eqs, dev_cap->reserved_eqs,
1126 dev_cap->eqc_entry_sz);
1127 mlx4_dbg(dev, "reserved MPTs: %d, reserved MTTs: %d\n",
1128 dev_cap->reserved_mrws, dev_cap->reserved_mtts);
1129 mlx4_dbg(dev, "Max PDs: %d, reserved PDs: %d, reserved UARs: %d\n",
1130 dev_cap->max_pds, dev_cap->reserved_pds, dev_cap->reserved_uars);
1131 mlx4_dbg(dev, "Max QP/MCG: %d, reserved MGMs: %d\n",
1132 dev_cap->max_pds, dev_cap->reserved_mgms);
1133 mlx4_dbg(dev, "Max CQEs: %d, max WQEs: %d, max SRQ WQEs: %d\n",
1134 dev_cap->max_cq_sz, dev_cap->max_qp_sz, dev_cap->max_srq_sz);
1135 mlx4_dbg(dev, "Local CA ACK delay: %d, max MTU: %d, port width cap: %d\n",
1136 dev_cap->local_ca_ack_delay, 128 << dev_cap->port_cap[1].ib_mtu,
1137 dev_cap->port_cap[1].max_port_width);
1138 mlx4_dbg(dev, "Max SQ desc size: %d, max SQ S/G: %d\n",
1139 dev_cap->max_sq_desc_sz, dev_cap->max_sq_sg);
1140 mlx4_dbg(dev, "Max RQ desc size: %d, max RQ S/G: %d\n",
1141 dev_cap->max_rq_desc_sz, dev_cap->max_rq_sg);
1142 mlx4_dbg(dev, "Max GSO size: %d\n", dev_cap->max_gso_sz);
1143 mlx4_dbg(dev, "Max counters: %d\n", dev_cap->max_counters);
1144 mlx4_dbg(dev, "Max RSS Table size: %d\n", dev_cap->max_rss_tbl_sz);
1145 mlx4_dbg(dev, "DMFS high rate steer QPn base: %d\n",
1146 dev_cap->dmfs_high_rate_qpn_base);
1147 mlx4_dbg(dev, "DMFS high rate steer QPn range: %d\n",
1148 dev_cap->dmfs_high_rate_qpn_range);
1149
1150 if (dev_cap->flags2 & MLX4_DEV_CAP_FLAG2_QP_RATE_LIMIT) {
1151 struct mlx4_rate_limit_caps *rl_caps = &dev_cap->rl_caps;
1152
1153 mlx4_dbg(dev, "QP Rate-Limit: #rates %d, unit/val max %d/%d, min %d/%d\n",
1154 rl_caps->num_rates, rl_caps->max_unit, rl_caps->max_val,
1155 rl_caps->min_unit, rl_caps->min_val);
1156 }
1157
1158 dump_dev_cap_flags(dev, dev_cap->flags);
1159 dump_dev_cap_flags2(dev, dev_cap->flags2);
1160 }
1161
1162 int mlx4_QUERY_PORT(struct mlx4_dev *dev, int port, struct mlx4_port_cap *port_cap)
1163 {
1164 struct mlx4_cmd_mailbox *mailbox;
1165 u32 *outbox;
1166 u8 field;
1167 u32 field32;
1168 int err;
1169
1170 mailbox = mlx4_alloc_cmd_mailbox(dev);
1171 if (IS_ERR(mailbox))
1172 return PTR_ERR(mailbox);
1173 outbox = mailbox->buf;
1174
1175 if (dev->flags & MLX4_FLAG_OLD_PORT_CMDS) {
1176 err = mlx4_cmd_box(dev, 0, mailbox->dma, 0, 0, MLX4_CMD_QUERY_DEV_CAP,
1177 MLX4_CMD_TIME_CLASS_A,
1178 MLX4_CMD_NATIVE);
1179
1180 if (err)
1181 goto out;
1182
1183 MLX4_GET(field, outbox, QUERY_DEV_CAP_VL_PORT_OFFSET);
1184 port_cap->max_vl = field >> 4;
1185 MLX4_GET(field, outbox, QUERY_DEV_CAP_MTU_WIDTH_OFFSET);
1186 port_cap->ib_mtu = field >> 4;
1187 port_cap->max_port_width = field & 0xf;
1188 MLX4_GET(field, outbox, QUERY_DEV_CAP_MAX_GID_OFFSET);
1189 port_cap->max_gids = 1 << (field & 0xf);
1190 MLX4_GET(field, outbox, QUERY_DEV_CAP_MAX_PKEY_OFFSET);
1191 port_cap->max_pkeys = 1 << (field & 0xf);
1192 } else {
1193 #define QUERY_PORT_SUPPORTED_TYPE_OFFSET 0x00
1194 #define QUERY_PORT_MTU_OFFSET 0x01
1195 #define QUERY_PORT_ETH_MTU_OFFSET 0x02
1196 #define QUERY_PORT_WIDTH_OFFSET 0x06
1197 #define QUERY_PORT_MAX_GID_PKEY_OFFSET 0x07
1198 #define QUERY_PORT_MAX_MACVLAN_OFFSET 0x0a
1199 #define QUERY_PORT_MAX_VL_OFFSET 0x0b
1200 #define QUERY_PORT_MAC_OFFSET 0x10
1201 #define QUERY_PORT_TRANS_VENDOR_OFFSET 0x18
1202 #define QUERY_PORT_WAVELENGTH_OFFSET 0x1c
1203 #define QUERY_PORT_TRANS_CODE_OFFSET 0x20
1204
1205 err = mlx4_cmd_box(dev, 0, mailbox->dma, port, 0, MLX4_CMD_QUERY_PORT,
1206 MLX4_CMD_TIME_CLASS_B, MLX4_CMD_NATIVE);
1207 if (err)
1208 goto out;
1209
1210 MLX4_GET(field, outbox, QUERY_PORT_SUPPORTED_TYPE_OFFSET);
1211 port_cap->link_state = (field & 0x80) >> 7;
1212 port_cap->supported_port_types = field & 3;
1213 port_cap->suggested_type = (field >> 3) & 1;
1214 port_cap->default_sense = (field >> 4) & 1;
1215 port_cap->dmfs_optimized_state = (field >> 5) & 1;
1216 MLX4_GET(field, outbox, QUERY_PORT_MTU_OFFSET);
1217 port_cap->ib_mtu = field & 0xf;
1218 MLX4_GET(field, outbox, QUERY_PORT_WIDTH_OFFSET);
1219 port_cap->max_port_width = field & 0xf;
1220 MLX4_GET(field, outbox, QUERY_PORT_MAX_GID_PKEY_OFFSET);
1221 port_cap->max_gids = 1 << (field >> 4);
1222 port_cap->max_pkeys = 1 << (field & 0xf);
1223 MLX4_GET(field, outbox, QUERY_PORT_MAX_VL_OFFSET);
1224 port_cap->max_vl = field & 0xf;
1225 port_cap->max_tc_eth = field >> 4;
1226 MLX4_GET(field, outbox, QUERY_PORT_MAX_MACVLAN_OFFSET);
1227 port_cap->log_max_macs = field & 0xf;
1228 port_cap->log_max_vlans = field >> 4;
1229 MLX4_GET(port_cap->eth_mtu, outbox, QUERY_PORT_ETH_MTU_OFFSET);
1230 MLX4_GET(port_cap->def_mac, outbox, QUERY_PORT_MAC_OFFSET);
1231 MLX4_GET(field32, outbox, QUERY_PORT_TRANS_VENDOR_OFFSET);
1232 port_cap->trans_type = field32 >> 24;
1233 port_cap->vendor_oui = field32 & 0xffffff;
1234 MLX4_GET(port_cap->wavelength, outbox, QUERY_PORT_WAVELENGTH_OFFSET);
1235 MLX4_GET(port_cap->trans_code, outbox, QUERY_PORT_TRANS_CODE_OFFSET);
1236 }
1237
1238 out:
1239 mlx4_free_cmd_mailbox(dev, mailbox);
1240 return err;
1241 }
1242
1243 #define DEV_CAP_EXT_2_FLAG_PFC_COUNTERS (1 << 28)
1244 #define DEV_CAP_EXT_2_FLAG_VLAN_CONTROL (1 << 26)
1245 #define DEV_CAP_EXT_2_FLAG_80_VFS (1 << 21)
1246 #define DEV_CAP_EXT_2_FLAG_FSM (1 << 20)
1247
1248 int mlx4_QUERY_DEV_CAP_wrapper(struct mlx4_dev *dev, int slave,
1249 struct mlx4_vhcr *vhcr,
1250 struct mlx4_cmd_mailbox *inbox,
1251 struct mlx4_cmd_mailbox *outbox,
1252 struct mlx4_cmd_info *cmd)
1253 {
1254 u64 flags;
1255 int err = 0;
1256 u8 field;
1257 u16 field16;
1258 u32 bmme_flags, field32;
1259 int real_port;
1260 int slave_port;
1261 int first_port;
1262 struct mlx4_active_ports actv_ports;
1263
1264 err = mlx4_cmd_box(dev, 0, outbox->dma, 0, 0, MLX4_CMD_QUERY_DEV_CAP,
1265 MLX4_CMD_TIME_CLASS_A, MLX4_CMD_NATIVE);
1266 if (err)
1267 return err;
1268
1269 disable_unsupported_roce_caps(outbox->buf);
1270 /* add port mng change event capability and disable mw type 1
1271 * unconditionally to slaves
1272 */
1273 MLX4_GET(flags, outbox->buf, QUERY_DEV_CAP_EXT_FLAGS_OFFSET);
1274 flags |= MLX4_DEV_CAP_FLAG_PORT_MNG_CHG_EV;
1275 flags &= ~MLX4_DEV_CAP_FLAG_MEM_WINDOW;
1276 actv_ports = mlx4_get_active_ports(dev, slave);
1277 first_port = find_first_bit(actv_ports.ports, dev->caps.num_ports);
1278 for (slave_port = 0, real_port = first_port;
1279 real_port < first_port +
1280 bitmap_weight(actv_ports.ports, dev->caps.num_ports);
1281 ++real_port, ++slave_port) {
1282 if (flags & (MLX4_DEV_CAP_FLAG_WOL_PORT1 << real_port))
1283 flags |= MLX4_DEV_CAP_FLAG_WOL_PORT1 << slave_port;
1284 else
1285 flags &= ~(MLX4_DEV_CAP_FLAG_WOL_PORT1 << slave_port);
1286 }
1287 for (; slave_port < dev->caps.num_ports; ++slave_port)
1288 flags &= ~(MLX4_DEV_CAP_FLAG_WOL_PORT1 << slave_port);
1289
1290 /* Not exposing RSS IP fragments to guests */
1291 flags &= ~MLX4_DEV_CAP_FLAG_RSS_IP_FRAG;
1292 MLX4_PUT(outbox->buf, flags, QUERY_DEV_CAP_EXT_FLAGS_OFFSET);
1293
1294 MLX4_GET(field, outbox->buf, QUERY_DEV_CAP_VL_PORT_OFFSET);
1295 field &= ~0x0F;
1296 field |= bitmap_weight(actv_ports.ports, dev->caps.num_ports) & 0x0F;
1297 MLX4_PUT(outbox->buf, field, QUERY_DEV_CAP_VL_PORT_OFFSET);
1298
1299 /* For guests, disable timestamp */
1300 MLX4_GET(field, outbox->buf, QUERY_DEV_CAP_CQ_TS_SUPPORT_OFFSET);
1301 field &= 0x7f;
1302 MLX4_PUT(outbox->buf, field, QUERY_DEV_CAP_CQ_TS_SUPPORT_OFFSET);
1303
1304 /* For guests, disable vxlan tunneling and QoS support */
1305 MLX4_GET(field, outbox->buf, QUERY_DEV_CAP_VXLAN);
1306 field &= 0xd7;
1307 MLX4_PUT(outbox->buf, field, QUERY_DEV_CAP_VXLAN);
1308
1309 /* For guests, disable port BEACON */
1310 MLX4_GET(field, outbox->buf, QUERY_DEV_CAP_PORT_BEACON_OFFSET);
1311 field &= 0x7f;
1312 MLX4_PUT(outbox->buf, field, QUERY_DEV_CAP_PORT_BEACON_OFFSET);
1313
1314 /* For guests, report Blueflame disabled */
1315 MLX4_GET(field, outbox->buf, QUERY_DEV_CAP_BF_OFFSET);
1316 field &= 0x7f;
1317 MLX4_PUT(outbox->buf, field, QUERY_DEV_CAP_BF_OFFSET);
1318
1319 /* For guests, disable mw type 2 and port remap*/
1320 MLX4_GET(bmme_flags, outbox->buf, QUERY_DEV_CAP_BMME_FLAGS_OFFSET);
1321 bmme_flags &= ~MLX4_BMME_FLAG_TYPE_2_WIN;
1322 bmme_flags &= ~MLX4_FLAG_PORT_REMAP;
1323 MLX4_PUT(outbox->buf, bmme_flags, QUERY_DEV_CAP_BMME_FLAGS_OFFSET);
1324
1325 /* turn off device-managed steering capability if not enabled */
1326 if (dev->caps.steering_mode != MLX4_STEERING_MODE_DEVICE_MANAGED) {
1327 MLX4_GET(field, outbox->buf,
1328 QUERY_DEV_CAP_FLOW_STEERING_RANGE_EN_OFFSET);
1329 field &= 0x7f;
1330 MLX4_PUT(outbox->buf, field,
1331 QUERY_DEV_CAP_FLOW_STEERING_RANGE_EN_OFFSET);
1332 }
1333
1334 /* turn off ipoib managed steering for guests */
1335 MLX4_GET(field, outbox->buf, QUERY_DEV_CAP_FLOW_STEERING_IPOIB_OFFSET);
1336 field &= ~0x80;
1337 MLX4_PUT(outbox->buf, field, QUERY_DEV_CAP_FLOW_STEERING_IPOIB_OFFSET);
1338
1339 /* turn off host side virt features (VST, FSM, etc) for guests */
1340 MLX4_GET(field32, outbox->buf, QUERY_DEV_CAP_EXT_2_FLAGS_OFFSET);
1341 field32 &= ~(DEV_CAP_EXT_2_FLAG_VLAN_CONTROL | DEV_CAP_EXT_2_FLAG_80_VFS |
1342 DEV_CAP_EXT_2_FLAG_FSM | DEV_CAP_EXT_2_FLAG_PFC_COUNTERS);
1343 MLX4_PUT(outbox->buf, field32, QUERY_DEV_CAP_EXT_2_FLAGS_OFFSET);
1344
1345 /* turn off QCN for guests */
1346 MLX4_GET(field, outbox->buf, QUERY_DEV_CAP_ECN_QCN_VER_OFFSET);
1347 field &= 0xfe;
1348 MLX4_PUT(outbox->buf, field, QUERY_DEV_CAP_ECN_QCN_VER_OFFSET);
1349
1350 /* turn off QP max-rate limiting for guests */
1351 field16 = 0;
1352 MLX4_PUT(outbox->buf, field16, QUERY_DEV_CAP_QP_RATE_LIMIT_NUM_OFFSET);
1353
1354 /* turn off QoS per VF support for guests */
1355 MLX4_GET(field, outbox->buf, QUERY_DEV_CAP_CQ_EQ_CACHE_LINE_STRIDE);
1356 field &= 0xef;
1357 MLX4_PUT(outbox->buf, field, QUERY_DEV_CAP_CQ_EQ_CACHE_LINE_STRIDE);
1358
1359 /* turn off ignore FCS feature for guests */
1360 MLX4_GET(field, outbox->buf, QUERY_DEV_CAP_CONFIG_DEV_OFFSET);
1361 field &= 0xfb;
1362 MLX4_PUT(outbox->buf, field, QUERY_DEV_CAP_CONFIG_DEV_OFFSET);
1363
1364 return 0;
1365 }
1366
1367 static void disable_unsupported_roce_caps(void *buf)
1368 {
1369 u32 flags;
1370
1371 MLX4_GET(flags, buf, QUERY_DEV_CAP_EXT_FLAGS_OFFSET);
1372 flags &= ~(1UL << 31);
1373 MLX4_PUT(buf, flags, QUERY_DEV_CAP_EXT_FLAGS_OFFSET);
1374 MLX4_GET(flags, buf, QUERY_DEV_CAP_EXT_2_FLAGS_OFFSET);
1375 flags &= ~(1UL << 24);
1376 MLX4_PUT(buf, flags, QUERY_DEV_CAP_EXT_2_FLAGS_OFFSET);
1377 MLX4_GET(flags, buf, QUERY_DEV_CAP_BMME_FLAGS_OFFSET);
1378 flags &= ~(MLX4_FLAG_ROCE_V1_V2);
1379 MLX4_PUT(buf, flags, QUERY_DEV_CAP_BMME_FLAGS_OFFSET);
1380 }
1381
1382 int mlx4_QUERY_PORT_wrapper(struct mlx4_dev *dev, int slave,
1383 struct mlx4_vhcr *vhcr,
1384 struct mlx4_cmd_mailbox *inbox,
1385 struct mlx4_cmd_mailbox *outbox,
1386 struct mlx4_cmd_info *cmd)
1387 {
1388 struct mlx4_priv *priv = mlx4_priv(dev);
1389 u64 def_mac;
1390 u8 port_type;
1391 u16 short_field;
1392 int err;
1393 int admin_link_state;
1394 int port = mlx4_slave_convert_port(dev, slave,
1395 vhcr->in_modifier & 0xFF);
1396
1397 #define MLX4_VF_PORT_NO_LINK_SENSE_MASK 0xE0
1398 #define MLX4_PORT_LINK_UP_MASK 0x80
1399 #define QUERY_PORT_CUR_MAX_PKEY_OFFSET 0x0c
1400 #define QUERY_PORT_CUR_MAX_GID_OFFSET 0x0e
1401
1402 if (port < 0)
1403 return -EINVAL;
1404
1405 /* Protect against untrusted guests: enforce that this is the
1406 * QUERY_PORT general query.
1407 */
1408 if (vhcr->op_modifier || vhcr->in_modifier & ~0xFF)
1409 return -EINVAL;
1410
1411 vhcr->in_modifier = port;
1412
1413 err = mlx4_cmd_box(dev, 0, outbox->dma, vhcr->in_modifier, 0,
1414 MLX4_CMD_QUERY_PORT, MLX4_CMD_TIME_CLASS_B,
1415 MLX4_CMD_NATIVE);
1416
1417 if (!err && dev->caps.function != slave) {
1418 def_mac = priv->mfunc.master.vf_oper[slave].vport[vhcr->in_modifier].state.mac;
1419 MLX4_PUT(outbox->buf, def_mac, QUERY_PORT_MAC_OFFSET);
1420
1421 /* get port type - currently only eth is enabled */
1422 MLX4_GET(port_type, outbox->buf,
1423 QUERY_PORT_SUPPORTED_TYPE_OFFSET);
1424
1425 /* No link sensing allowed */
1426 port_type &= MLX4_VF_PORT_NO_LINK_SENSE_MASK;
1427 /* set port type to currently operating port type */
1428 port_type |= (dev->caps.port_type[vhcr->in_modifier] & 0x3);
1429
1430 admin_link_state = priv->mfunc.master.vf_oper[slave].vport[vhcr->in_modifier].state.link_state;
1431 if (IFLA_VF_LINK_STATE_ENABLE == admin_link_state)
1432 port_type |= MLX4_PORT_LINK_UP_MASK;
1433 else if (IFLA_VF_LINK_STATE_DISABLE == admin_link_state)
1434 port_type &= ~MLX4_PORT_LINK_UP_MASK;
1435 else if (IFLA_VF_LINK_STATE_AUTO == admin_link_state && mlx4_is_bonded(dev)) {
1436 int other_port = (port == 1) ? 2 : 1;
1437 struct mlx4_port_cap port_cap;
1438
1439 err = mlx4_QUERY_PORT(dev, other_port, &port_cap);
1440 if (err)
1441 goto out;
1442 port_type |= (port_cap.link_state << 7);
1443 }
1444
1445 MLX4_PUT(outbox->buf, port_type,
1446 QUERY_PORT_SUPPORTED_TYPE_OFFSET);
1447
1448 if (dev->caps.port_type[vhcr->in_modifier] == MLX4_PORT_TYPE_ETH)
1449 short_field = mlx4_get_slave_num_gids(dev, slave, port);
1450 else
1451 short_field = 1; /* slave max gids */
1452 MLX4_PUT(outbox->buf, short_field,
1453 QUERY_PORT_CUR_MAX_GID_OFFSET);
1454
1455 short_field = dev->caps.pkey_table_len[vhcr->in_modifier];
1456 MLX4_PUT(outbox->buf, short_field,
1457 QUERY_PORT_CUR_MAX_PKEY_OFFSET);
1458 }
1459 out:
1460 return err;
1461 }
1462
1463 int mlx4_get_slave_pkey_gid_tbl_len(struct mlx4_dev *dev, u8 port,
1464 int *gid_tbl_len, int *pkey_tbl_len)
1465 {
1466 struct mlx4_cmd_mailbox *mailbox;
1467 u32 *outbox;
1468 u16 field;
1469 int err;
1470
1471 mailbox = mlx4_alloc_cmd_mailbox(dev);
1472 if (IS_ERR(mailbox))
1473 return PTR_ERR(mailbox);
1474
1475 err = mlx4_cmd_box(dev, 0, mailbox->dma, port, 0,
1476 MLX4_CMD_QUERY_PORT, MLX4_CMD_TIME_CLASS_B,
1477 MLX4_CMD_WRAPPED);
1478 if (err)
1479 goto out;
1480
1481 outbox = mailbox->buf;
1482
1483 MLX4_GET(field, outbox, QUERY_PORT_CUR_MAX_GID_OFFSET);
1484 *gid_tbl_len = field;
1485
1486 MLX4_GET(field, outbox, QUERY_PORT_CUR_MAX_PKEY_OFFSET);
1487 *pkey_tbl_len = field;
1488
1489 out:
1490 mlx4_free_cmd_mailbox(dev, mailbox);
1491 return err;
1492 }
1493 EXPORT_SYMBOL(mlx4_get_slave_pkey_gid_tbl_len);
1494
1495 int mlx4_map_cmd(struct mlx4_dev *dev, u16 op, struct mlx4_icm *icm, u64 virt)
1496 {
1497 struct mlx4_cmd_mailbox *mailbox;
1498 struct mlx4_icm_iter iter;
1499 __be64 *pages;
1500 int lg;
1501 int nent = 0;
1502 int i;
1503 int err = 0;
1504 int ts = 0, tc = 0;
1505
1506 mailbox = mlx4_alloc_cmd_mailbox(dev);
1507 if (IS_ERR(mailbox))
1508 return PTR_ERR(mailbox);
1509 pages = mailbox->buf;
1510
1511 for (mlx4_icm_first(icm, &iter);
1512 !mlx4_icm_last(&iter);
1513 mlx4_icm_next(&iter)) {
1514 /*
1515 * We have to pass pages that are aligned to their
1516 * size, so find the least significant 1 in the
1517 * address or size and use that as our log2 size.
1518 */
1519 lg = ffs(mlx4_icm_addr(&iter) | mlx4_icm_size(&iter)) - 1;
1520 if (lg < MLX4_ICM_PAGE_SHIFT) {
1521 mlx4_warn(dev, "Got FW area not aligned to %d (%llx/%lx)\n",
1522 MLX4_ICM_PAGE_SIZE,
1523 (unsigned long long) mlx4_icm_addr(&iter),
1524 mlx4_icm_size(&iter));
1525 err = -EINVAL;
1526 goto out;
1527 }
1528
1529 for (i = 0; i < mlx4_icm_size(&iter) >> lg; ++i) {
1530 if (virt != -1) {
1531 pages[nent * 2] = cpu_to_be64(virt);
1532 virt += 1 << lg;
1533 }
1534
1535 pages[nent * 2 + 1] =
1536 cpu_to_be64((mlx4_icm_addr(&iter) + (i << lg)) |
1537 (lg - MLX4_ICM_PAGE_SHIFT));
1538 ts += 1 << (lg - 10);
1539 ++tc;
1540
1541 if (++nent == MLX4_MAILBOX_SIZE / 16) {
1542 err = mlx4_cmd(dev, mailbox->dma, nent, 0, op,
1543 MLX4_CMD_TIME_CLASS_B,
1544 MLX4_CMD_NATIVE);
1545 if (err)
1546 goto out;
1547 nent = 0;
1548 }
1549 }
1550 }
1551
1552 if (nent)
1553 err = mlx4_cmd(dev, mailbox->dma, nent, 0, op,
1554 MLX4_CMD_TIME_CLASS_B, MLX4_CMD_NATIVE);
1555 if (err)
1556 goto out;
1557
1558 switch (op) {
1559 case MLX4_CMD_MAP_FA:
1560 mlx4_dbg(dev, "Mapped %d chunks/%d KB for FW\n", tc, ts);
1561 break;
1562 case MLX4_CMD_MAP_ICM_AUX:
1563 mlx4_dbg(dev, "Mapped %d chunks/%d KB for ICM aux\n", tc, ts);
1564 break;
1565 case MLX4_CMD_MAP_ICM:
1566 mlx4_dbg(dev, "Mapped %d chunks/%d KB at %llx for ICM\n",
1567 tc, ts, (unsigned long long) virt - (ts << 10));
1568 break;
1569 }
1570
1571 out:
1572 mlx4_free_cmd_mailbox(dev, mailbox);
1573 return err;
1574 }
1575
1576 int mlx4_MAP_FA(struct mlx4_dev *dev, struct mlx4_icm *icm)
1577 {
1578 return mlx4_map_cmd(dev, MLX4_CMD_MAP_FA, icm, -1);
1579 }
1580
1581 int mlx4_UNMAP_FA(struct mlx4_dev *dev)
1582 {
1583 return mlx4_cmd(dev, 0, 0, 0, MLX4_CMD_UNMAP_FA,
1584 MLX4_CMD_TIME_CLASS_B, MLX4_CMD_NATIVE);
1585 }
1586
1587
1588 int mlx4_RUN_FW(struct mlx4_dev *dev)
1589 {
1590 return mlx4_cmd(dev, 0, 0, 0, MLX4_CMD_RUN_FW,
1591 MLX4_CMD_TIME_CLASS_A, MLX4_CMD_NATIVE);
1592 }
1593
1594 int mlx4_QUERY_FW(struct mlx4_dev *dev)
1595 {
1596 struct mlx4_fw *fw = &mlx4_priv(dev)->fw;
1597 struct mlx4_cmd *cmd = &mlx4_priv(dev)->cmd;
1598 struct mlx4_cmd_mailbox *mailbox;
1599 u32 *outbox;
1600 int err = 0;
1601 u64 fw_ver;
1602 u16 cmd_if_rev;
1603 u8 lg;
1604
1605 #define QUERY_FW_OUT_SIZE 0x100
1606 #define QUERY_FW_VER_OFFSET 0x00
1607 #define QUERY_FW_PPF_ID 0x09
1608 #define QUERY_FW_CMD_IF_REV_OFFSET 0x0a
1609 #define QUERY_FW_MAX_CMD_OFFSET 0x0f
1610 #define QUERY_FW_ERR_START_OFFSET 0x30
1611 #define QUERY_FW_ERR_SIZE_OFFSET 0x38
1612 #define QUERY_FW_ERR_BAR_OFFSET 0x3c
1613
1614 #define QUERY_FW_SIZE_OFFSET 0x00
1615 #define QUERY_FW_CLR_INT_BASE_OFFSET 0x20
1616 #define QUERY_FW_CLR_INT_BAR_OFFSET 0x28
1617
1618 #define QUERY_FW_COMM_BASE_OFFSET 0x40
1619 #define QUERY_FW_COMM_BAR_OFFSET 0x48
1620
1621 #define QUERY_FW_CLOCK_OFFSET 0x50
1622 #define QUERY_FW_CLOCK_BAR 0x58
1623
1624 mailbox = mlx4_alloc_cmd_mailbox(dev);
1625 if (IS_ERR(mailbox))
1626 return PTR_ERR(mailbox);
1627 outbox = mailbox->buf;
1628
1629 err = mlx4_cmd_box(dev, 0, mailbox->dma, 0, 0, MLX4_CMD_QUERY_FW,
1630 MLX4_CMD_TIME_CLASS_A, MLX4_CMD_NATIVE);
1631 if (err)
1632 goto out;
1633
1634 MLX4_GET(fw_ver, outbox, QUERY_FW_VER_OFFSET);
1635 /*
1636 * FW subminor version is at more significant bits than minor
1637 * version, so swap here.
1638 */
1639 dev->caps.fw_ver = (fw_ver & 0xffff00000000ull) |
1640 ((fw_ver & 0xffff0000ull) >> 16) |
1641 ((fw_ver & 0x0000ffffull) << 16);
1642
1643 MLX4_GET(lg, outbox, QUERY_FW_PPF_ID);
1644 dev->caps.function = lg;
1645
1646 if (mlx4_is_slave(dev))
1647 goto out;
1648
1649
1650 MLX4_GET(cmd_if_rev, outbox, QUERY_FW_CMD_IF_REV_OFFSET);
1651 if (cmd_if_rev < MLX4_COMMAND_INTERFACE_MIN_REV ||
1652 cmd_if_rev > MLX4_COMMAND_INTERFACE_MAX_REV) {
1653 mlx4_err(dev, "Installed FW has unsupported command interface revision %d\n",
1654 cmd_if_rev);
1655 mlx4_err(dev, "(Installed FW version is %d.%d.%03d)\n",
1656 (int) (dev->caps.fw_ver >> 32),
1657 (int) (dev->caps.fw_ver >> 16) & 0xffff,
1658 (int) dev->caps.fw_ver & 0xffff);
1659 mlx4_err(dev, "This driver version supports only revisions %d to %d\n",
1660 MLX4_COMMAND_INTERFACE_MIN_REV, MLX4_COMMAND_INTERFACE_MAX_REV);
1661 err = -ENODEV;
1662 goto out;
1663 }
1664
1665 if (cmd_if_rev < MLX4_COMMAND_INTERFACE_NEW_PORT_CMDS)
1666 dev->flags |= MLX4_FLAG_OLD_PORT_CMDS;
1667
1668 MLX4_GET(lg, outbox, QUERY_FW_MAX_CMD_OFFSET);
1669 cmd->max_cmds = 1 << lg;
1670
1671 mlx4_dbg(dev, "FW version %d.%d.%03d (cmd intf rev %d), max commands %d\n",
1672 (int) (dev->caps.fw_ver >> 32),
1673 (int) (dev->caps.fw_ver >> 16) & 0xffff,
1674 (int) dev->caps.fw_ver & 0xffff,
1675 cmd_if_rev, cmd->max_cmds);
1676
1677 MLX4_GET(fw->catas_offset, outbox, QUERY_FW_ERR_START_OFFSET);
1678 MLX4_GET(fw->catas_size, outbox, QUERY_FW_ERR_SIZE_OFFSET);
1679 MLX4_GET(fw->catas_bar, outbox, QUERY_FW_ERR_BAR_OFFSET);
1680 fw->catas_bar = (fw->catas_bar >> 6) * 2;
1681
1682 mlx4_dbg(dev, "Catastrophic error buffer at 0x%llx, size 0x%x, BAR %d\n",
1683 (unsigned long long) fw->catas_offset, fw->catas_size, fw->catas_bar);
1684
1685 MLX4_GET(fw->fw_pages, outbox, QUERY_FW_SIZE_OFFSET);
1686 MLX4_GET(fw->clr_int_base, outbox, QUERY_FW_CLR_INT_BASE_OFFSET);
1687 MLX4_GET(fw->clr_int_bar, outbox, QUERY_FW_CLR_INT_BAR_OFFSET);
1688 fw->clr_int_bar = (fw->clr_int_bar >> 6) * 2;
1689
1690 MLX4_GET(fw->comm_base, outbox, QUERY_FW_COMM_BASE_OFFSET);
1691 MLX4_GET(fw->comm_bar, outbox, QUERY_FW_COMM_BAR_OFFSET);
1692 fw->comm_bar = (fw->comm_bar >> 6) * 2;
1693 mlx4_dbg(dev, "Communication vector bar:%d offset:0x%llx\n",
1694 fw->comm_bar, fw->comm_base);
1695 mlx4_dbg(dev, "FW size %d KB\n", fw->fw_pages >> 2);
1696
1697 MLX4_GET(fw->clock_offset, outbox, QUERY_FW_CLOCK_OFFSET);
1698 MLX4_GET(fw->clock_bar, outbox, QUERY_FW_CLOCK_BAR);
1699 fw->clock_bar = (fw->clock_bar >> 6) * 2;
1700 mlx4_dbg(dev, "Internal clock bar:%d offset:0x%llx\n",
1701 fw->clock_bar, fw->clock_offset);
1702
1703 /*
1704 * Round up number of system pages needed in case
1705 * MLX4_ICM_PAGE_SIZE < PAGE_SIZE.
1706 */
1707 fw->fw_pages =
1708 ALIGN(fw->fw_pages, PAGE_SIZE / MLX4_ICM_PAGE_SIZE) >>
1709 (PAGE_SHIFT - MLX4_ICM_PAGE_SHIFT);
1710
1711 mlx4_dbg(dev, "Clear int @ %llx, BAR %d\n",
1712 (unsigned long long) fw->clr_int_base, fw->clr_int_bar);
1713
1714 out:
1715 mlx4_free_cmd_mailbox(dev, mailbox);
1716 return err;
1717 }
1718
1719 int mlx4_QUERY_FW_wrapper(struct mlx4_dev *dev, int slave,
1720 struct mlx4_vhcr *vhcr,
1721 struct mlx4_cmd_mailbox *inbox,
1722 struct mlx4_cmd_mailbox *outbox,
1723 struct mlx4_cmd_info *cmd)
1724 {
1725 u8 *outbuf;
1726 int err;
1727
1728 outbuf = outbox->buf;
1729 err = mlx4_cmd_box(dev, 0, outbox->dma, 0, 0, MLX4_CMD_QUERY_FW,
1730 MLX4_CMD_TIME_CLASS_A, MLX4_CMD_NATIVE);
1731 if (err)
1732 return err;
1733
1734 /* for slaves, set pci PPF ID to invalid and zero out everything
1735 * else except FW version */
1736 outbuf[0] = outbuf[1] = 0;
1737 memset(&outbuf[8], 0, QUERY_FW_OUT_SIZE - 8);
1738 outbuf[QUERY_FW_PPF_ID] = MLX4_INVALID_SLAVE_ID;
1739
1740 return 0;
1741 }
1742
1743 static void get_board_id(void *vsd, char *board_id)
1744 {
1745 int i;
1746
1747 #define VSD_OFFSET_SIG1 0x00
1748 #define VSD_OFFSET_SIG2 0xde
1749 #define VSD_OFFSET_MLX_BOARD_ID 0xd0
1750 #define VSD_OFFSET_TS_BOARD_ID 0x20
1751
1752 #define VSD_SIGNATURE_TOPSPIN 0x5ad
1753
1754 memset(board_id, 0, MLX4_BOARD_ID_LEN);
1755
1756 if (be16_to_cpup(vsd + VSD_OFFSET_SIG1) == VSD_SIGNATURE_TOPSPIN &&
1757 be16_to_cpup(vsd + VSD_OFFSET_SIG2) == VSD_SIGNATURE_TOPSPIN) {
1758 strlcpy(board_id, vsd + VSD_OFFSET_TS_BOARD_ID, MLX4_BOARD_ID_LEN);
1759 } else {
1760 /*
1761 * The board ID is a string but the firmware byte
1762 * swaps each 4-byte word before passing it back to
1763 * us. Therefore we need to swab it before printing.
1764 */
1765 u32 *bid_u32 = (u32 *)board_id;
1766
1767 for (i = 0; i < 4; ++i) {
1768 u32 *addr;
1769 u32 val;
1770
1771 addr = (u32 *) (vsd + VSD_OFFSET_MLX_BOARD_ID + i * 4);
1772 val = get_unaligned(addr);
1773 val = swab32(val);
1774 put_unaligned(val, &bid_u32[i]);
1775 }
1776 }
1777 }
1778
1779 int mlx4_QUERY_ADAPTER(struct mlx4_dev *dev, struct mlx4_adapter *adapter)
1780 {
1781 struct mlx4_cmd_mailbox *mailbox;
1782 u32 *outbox;
1783 int err;
1784
1785 #define QUERY_ADAPTER_OUT_SIZE 0x100
1786 #define QUERY_ADAPTER_INTA_PIN_OFFSET 0x10
1787 #define QUERY_ADAPTER_VSD_OFFSET 0x20
1788
1789 mailbox = mlx4_alloc_cmd_mailbox(dev);
1790 if (IS_ERR(mailbox))
1791 return PTR_ERR(mailbox);
1792 outbox = mailbox->buf;
1793
1794 err = mlx4_cmd_box(dev, 0, mailbox->dma, 0, 0, MLX4_CMD_QUERY_ADAPTER,
1795 MLX4_CMD_TIME_CLASS_A, MLX4_CMD_NATIVE);
1796 if (err)
1797 goto out;
1798
1799 MLX4_GET(adapter->inta_pin, outbox, QUERY_ADAPTER_INTA_PIN_OFFSET);
1800
1801 get_board_id(outbox + QUERY_ADAPTER_VSD_OFFSET / 4,
1802 adapter->board_id);
1803
1804 out:
1805 mlx4_free_cmd_mailbox(dev, mailbox);
1806 return err;
1807 }
1808
1809 int mlx4_INIT_HCA(struct mlx4_dev *dev, struct mlx4_init_hca_param *param)
1810 {
1811 struct mlx4_cmd_mailbox *mailbox;
1812 __be32 *inbox;
1813 int err;
1814 static const u8 a0_dmfs_hw_steering[] = {
1815 [MLX4_STEERING_DMFS_A0_DEFAULT] = 0,
1816 [MLX4_STEERING_DMFS_A0_DYNAMIC] = 1,
1817 [MLX4_STEERING_DMFS_A0_STATIC] = 2,
1818 [MLX4_STEERING_DMFS_A0_DISABLE] = 3
1819 };
1820
1821 #define INIT_HCA_IN_SIZE 0x200
1822 #define INIT_HCA_VERSION_OFFSET 0x000
1823 #define INIT_HCA_VERSION 2
1824 #define INIT_HCA_VXLAN_OFFSET 0x0c
1825 #define INIT_HCA_CACHELINE_SZ_OFFSET 0x0e
1826 #define INIT_HCA_FLAGS_OFFSET 0x014
1827 #define INIT_HCA_RECOVERABLE_ERROR_EVENT_OFFSET 0x018
1828 #define INIT_HCA_QPC_OFFSET 0x020
1829 #define INIT_HCA_QPC_BASE_OFFSET (INIT_HCA_QPC_OFFSET + 0x10)
1830 #define INIT_HCA_LOG_QP_OFFSET (INIT_HCA_QPC_OFFSET + 0x17)
1831 #define INIT_HCA_SRQC_BASE_OFFSET (INIT_HCA_QPC_OFFSET + 0x28)
1832 #define INIT_HCA_LOG_SRQ_OFFSET (INIT_HCA_QPC_OFFSET + 0x2f)
1833 #define INIT_HCA_CQC_BASE_OFFSET (INIT_HCA_QPC_OFFSET + 0x30)
1834 #define INIT_HCA_LOG_CQ_OFFSET (INIT_HCA_QPC_OFFSET + 0x37)
1835 #define INIT_HCA_EQE_CQE_OFFSETS (INIT_HCA_QPC_OFFSET + 0x38)
1836 #define INIT_HCA_EQE_CQE_STRIDE_OFFSET (INIT_HCA_QPC_OFFSET + 0x3b)
1837 #define INIT_HCA_ALTC_BASE_OFFSET (INIT_HCA_QPC_OFFSET + 0x40)
1838 #define INIT_HCA_AUXC_BASE_OFFSET (INIT_HCA_QPC_OFFSET + 0x50)
1839 #define INIT_HCA_EQC_BASE_OFFSET (INIT_HCA_QPC_OFFSET + 0x60)
1840 #define INIT_HCA_LOG_EQ_OFFSET (INIT_HCA_QPC_OFFSET + 0x67)
1841 #define INIT_HCA_NUM_SYS_EQS_OFFSET (INIT_HCA_QPC_OFFSET + 0x6a)
1842 #define INIT_HCA_RDMARC_BASE_OFFSET (INIT_HCA_QPC_OFFSET + 0x70)
1843 #define INIT_HCA_LOG_RD_OFFSET (INIT_HCA_QPC_OFFSET + 0x77)
1844 #define INIT_HCA_MCAST_OFFSET 0x0c0
1845 #define INIT_HCA_MC_BASE_OFFSET (INIT_HCA_MCAST_OFFSET + 0x00)
1846 #define INIT_HCA_LOG_MC_ENTRY_SZ_OFFSET (INIT_HCA_MCAST_OFFSET + 0x12)
1847 #define INIT_HCA_LOG_MC_HASH_SZ_OFFSET (INIT_HCA_MCAST_OFFSET + 0x16)
1848 #define INIT_HCA_UC_STEERING_OFFSET (INIT_HCA_MCAST_OFFSET + 0x18)
1849 #define INIT_HCA_LOG_MC_TABLE_SZ_OFFSET (INIT_HCA_MCAST_OFFSET + 0x1b)
1850 #define INIT_HCA_DEVICE_MANAGED_FLOW_STEERING_EN 0x6
1851 #define INIT_HCA_FS_PARAM_OFFSET 0x1d0
1852 #define INIT_HCA_FS_BASE_OFFSET (INIT_HCA_FS_PARAM_OFFSET + 0x00)
1853 #define INIT_HCA_FS_LOG_ENTRY_SZ_OFFSET (INIT_HCA_FS_PARAM_OFFSET + 0x12)
1854 #define INIT_HCA_FS_A0_OFFSET (INIT_HCA_FS_PARAM_OFFSET + 0x18)
1855 #define INIT_HCA_FS_LOG_TABLE_SZ_OFFSET (INIT_HCA_FS_PARAM_OFFSET + 0x1b)
1856 #define INIT_HCA_FS_ETH_BITS_OFFSET (INIT_HCA_FS_PARAM_OFFSET + 0x21)
1857 #define INIT_HCA_FS_ETH_NUM_ADDRS_OFFSET (INIT_HCA_FS_PARAM_OFFSET + 0x22)
1858 #define INIT_HCA_FS_IB_BITS_OFFSET (INIT_HCA_FS_PARAM_OFFSET + 0x25)
1859 #define INIT_HCA_FS_IB_NUM_ADDRS_OFFSET (INIT_HCA_FS_PARAM_OFFSET + 0x26)
1860 #define INIT_HCA_TPT_OFFSET 0x0f0
1861 #define INIT_HCA_DMPT_BASE_OFFSET (INIT_HCA_TPT_OFFSET + 0x00)
1862 #define INIT_HCA_TPT_MW_OFFSET (INIT_HCA_TPT_OFFSET + 0x08)
1863 #define INIT_HCA_LOG_MPT_SZ_OFFSET (INIT_HCA_TPT_OFFSET + 0x0b)
1864 #define INIT_HCA_MTT_BASE_OFFSET (INIT_HCA_TPT_OFFSET + 0x10)
1865 #define INIT_HCA_CMPT_BASE_OFFSET (INIT_HCA_TPT_OFFSET + 0x18)
1866 #define INIT_HCA_UAR_OFFSET 0x120
1867 #define INIT_HCA_LOG_UAR_SZ_OFFSET (INIT_HCA_UAR_OFFSET + 0x0a)
1868 #define INIT_HCA_UAR_PAGE_SZ_OFFSET (INIT_HCA_UAR_OFFSET + 0x0b)
1869
1870 mailbox = mlx4_alloc_cmd_mailbox(dev);
1871 if (IS_ERR(mailbox))
1872 return PTR_ERR(mailbox);
1873 inbox = mailbox->buf;
1874
1875 *((u8 *) mailbox->buf + INIT_HCA_VERSION_OFFSET) = INIT_HCA_VERSION;
1876
1877 *((u8 *) mailbox->buf + INIT_HCA_CACHELINE_SZ_OFFSET) =
1878 (ilog2(cache_line_size()) - 4) << 5;
1879
1880 #if defined(__LITTLE_ENDIAN)
1881 *(inbox + INIT_HCA_FLAGS_OFFSET / 4) &= ~cpu_to_be32(1 << 1);
1882 #elif defined(__BIG_ENDIAN)
1883 *(inbox + INIT_HCA_FLAGS_OFFSET / 4) |= cpu_to_be32(1 << 1);
1884 #else
1885 #error Host endianness not defined
1886 #endif
1887 /* Check port for UD address vector: */
1888 *(inbox + INIT_HCA_FLAGS_OFFSET / 4) |= cpu_to_be32(1);
1889
1890 /* Enable IPoIB checksumming if we can: */
1891 if (dev->caps.flags & MLX4_DEV_CAP_FLAG_IPOIB_CSUM)
1892 *(inbox + INIT_HCA_FLAGS_OFFSET / 4) |= cpu_to_be32(1 << 3);
1893
1894 /* Enable QoS support if module parameter set */
1895 if (dev->caps.flags2 & MLX4_DEV_CAP_FLAG2_ETS_CFG && enable_qos)
1896 *(inbox + INIT_HCA_FLAGS_OFFSET / 4) |= cpu_to_be32(1 << 2);
1897
1898 /* enable counters */
1899 if (dev->caps.flags & MLX4_DEV_CAP_FLAG_COUNTERS)
1900 *(inbox + INIT_HCA_FLAGS_OFFSET / 4) |= cpu_to_be32(1 << 4);
1901
1902 /* Enable RSS spread to fragmented IP packets when supported */
1903 if (dev->caps.flags & MLX4_DEV_CAP_FLAG_RSS_IP_FRAG)
1904 *(inbox + INIT_HCA_FLAGS_OFFSET / 4) |= cpu_to_be32(1 << 13);
1905
1906 /* CX3 is capable of extending CQEs/EQEs from 32 to 64 bytes */
1907 if (dev->caps.flags & MLX4_DEV_CAP_FLAG_64B_EQE) {
1908 *(inbox + INIT_HCA_EQE_CQE_OFFSETS / 4) |= cpu_to_be32(1 << 29);
1909 dev->caps.eqe_size = 64;
1910 dev->caps.eqe_factor = 1;
1911 } else {
1912 dev->caps.eqe_size = 32;
1913 dev->caps.eqe_factor = 0;
1914 }
1915
1916 if (dev->caps.flags & MLX4_DEV_CAP_FLAG_64B_CQE) {
1917 *(inbox + INIT_HCA_EQE_CQE_OFFSETS / 4) |= cpu_to_be32(1 << 30);
1918 dev->caps.cqe_size = 64;
1919 dev->caps.userspace_caps |= MLX4_USER_DEV_CAP_LARGE_CQE;
1920 } else {
1921 dev->caps.cqe_size = 32;
1922 }
1923
1924 /* CX3 is capable of extending CQEs\EQEs to strides larger than 64B */
1925 if ((dev->caps.flags2 & MLX4_DEV_CAP_FLAG2_EQE_STRIDE) &&
1926 (dev->caps.flags2 & MLX4_DEV_CAP_FLAG2_CQE_STRIDE)) {
1927 dev->caps.eqe_size = cache_line_size();
1928 dev->caps.cqe_size = cache_line_size();
1929 dev->caps.eqe_factor = 0;
1930 MLX4_PUT(inbox, (u8)((ilog2(dev->caps.eqe_size) - 5) << 4 |
1931 (ilog2(dev->caps.eqe_size) - 5)),
1932 INIT_HCA_EQE_CQE_STRIDE_OFFSET);
1933
1934 /* User still need to know to support CQE > 32B */
1935 dev->caps.userspace_caps |= MLX4_USER_DEV_CAP_LARGE_CQE;
1936 }
1937
1938 if (dev->caps.flags2 & MLX4_DEV_CAP_FLAG2_RECOVERABLE_ERROR_EVENT)
1939 *(inbox + INIT_HCA_RECOVERABLE_ERROR_EVENT_OFFSET / 4) |= cpu_to_be32(1 << 31);
1940
1941 /* QPC/EEC/CQC/EQC/RDMARC attributes */
1942
1943 MLX4_PUT(inbox, param->qpc_base, INIT_HCA_QPC_BASE_OFFSET);
1944 MLX4_PUT(inbox, param->log_num_qps, INIT_HCA_LOG_QP_OFFSET);
1945 MLX4_PUT(inbox, param->srqc_base, INIT_HCA_SRQC_BASE_OFFSET);
1946 MLX4_PUT(inbox, param->log_num_srqs, INIT_HCA_LOG_SRQ_OFFSET);
1947 MLX4_PUT(inbox, param->cqc_base, INIT_HCA_CQC_BASE_OFFSET);
1948 MLX4_PUT(inbox, param->log_num_cqs, INIT_HCA_LOG_CQ_OFFSET);
1949 MLX4_PUT(inbox, param->altc_base, INIT_HCA_ALTC_BASE_OFFSET);
1950 MLX4_PUT(inbox, param->auxc_base, INIT_HCA_AUXC_BASE_OFFSET);
1951 MLX4_PUT(inbox, param->eqc_base, INIT_HCA_EQC_BASE_OFFSET);
1952 MLX4_PUT(inbox, param->log_num_eqs, INIT_HCA_LOG_EQ_OFFSET);
1953 MLX4_PUT(inbox, param->num_sys_eqs, INIT_HCA_NUM_SYS_EQS_OFFSET);
1954 MLX4_PUT(inbox, param->rdmarc_base, INIT_HCA_RDMARC_BASE_OFFSET);
1955 MLX4_PUT(inbox, param->log_rd_per_qp, INIT_HCA_LOG_RD_OFFSET);
1956
1957 /* steering attributes */
1958 if (dev->caps.steering_mode ==
1959 MLX4_STEERING_MODE_DEVICE_MANAGED) {
1960 *(inbox + INIT_HCA_FLAGS_OFFSET / 4) |=
1961 cpu_to_be32(1 <<
1962 INIT_HCA_DEVICE_MANAGED_FLOW_STEERING_EN);
1963
1964 MLX4_PUT(inbox, param->mc_base, INIT_HCA_FS_BASE_OFFSET);
1965 MLX4_PUT(inbox, param->log_mc_entry_sz,
1966 INIT_HCA_FS_LOG_ENTRY_SZ_OFFSET);
1967 MLX4_PUT(inbox, param->log_mc_table_sz,
1968 INIT_HCA_FS_LOG_TABLE_SZ_OFFSET);
1969 /* Enable Ethernet flow steering
1970 * with udp unicast and tcp unicast
1971 */
1972 if (dev->caps.dmfs_high_steer_mode !=
1973 MLX4_STEERING_DMFS_A0_STATIC)
1974 MLX4_PUT(inbox,
1975 (u8)(MLX4_FS_UDP_UC_EN | MLX4_FS_TCP_UC_EN),
1976 INIT_HCA_FS_ETH_BITS_OFFSET);
1977 MLX4_PUT(inbox, (u16) MLX4_FS_NUM_OF_L2_ADDR,
1978 INIT_HCA_FS_ETH_NUM_ADDRS_OFFSET);
1979 /* Enable IPoIB flow steering
1980 * with udp unicast and tcp unicast
1981 */
1982 MLX4_PUT(inbox, (u8) (MLX4_FS_UDP_UC_EN | MLX4_FS_TCP_UC_EN),
1983 INIT_HCA_FS_IB_BITS_OFFSET);
1984 MLX4_PUT(inbox, (u16) MLX4_FS_NUM_OF_L2_ADDR,
1985 INIT_HCA_FS_IB_NUM_ADDRS_OFFSET);
1986
1987 if (dev->caps.dmfs_high_steer_mode !=
1988 MLX4_STEERING_DMFS_A0_NOT_SUPPORTED)
1989 MLX4_PUT(inbox,
1990 ((u8)(a0_dmfs_hw_steering[dev->caps.dmfs_high_steer_mode]
1991 << 6)),
1992 INIT_HCA_FS_A0_OFFSET);
1993 } else {
1994 MLX4_PUT(inbox, param->mc_base, INIT_HCA_MC_BASE_OFFSET);
1995 MLX4_PUT(inbox, param->log_mc_entry_sz,
1996 INIT_HCA_LOG_MC_ENTRY_SZ_OFFSET);
1997 MLX4_PUT(inbox, param->log_mc_hash_sz,
1998 INIT_HCA_LOG_MC_HASH_SZ_OFFSET);
1999 MLX4_PUT(inbox, param->log_mc_table_sz,
2000 INIT_HCA_LOG_MC_TABLE_SZ_OFFSET);
2001 if (dev->caps.steering_mode == MLX4_STEERING_MODE_B0)
2002 MLX4_PUT(inbox, (u8) (1 << 3),
2003 INIT_HCA_UC_STEERING_OFFSET);
2004 }
2005
2006 /* TPT attributes */
2007
2008 MLX4_PUT(inbox, param->dmpt_base, INIT_HCA_DMPT_BASE_OFFSET);
2009 MLX4_PUT(inbox, param->mw_enabled, INIT_HCA_TPT_MW_OFFSET);
2010 MLX4_PUT(inbox, param->log_mpt_sz, INIT_HCA_LOG_MPT_SZ_OFFSET);
2011 MLX4_PUT(inbox, param->mtt_base, INIT_HCA_MTT_BASE_OFFSET);
2012 MLX4_PUT(inbox, param->cmpt_base, INIT_HCA_CMPT_BASE_OFFSET);
2013
2014 /* UAR attributes */
2015
2016 MLX4_PUT(inbox, param->uar_page_sz, INIT_HCA_UAR_PAGE_SZ_OFFSET);
2017 MLX4_PUT(inbox, param->log_uar_sz, INIT_HCA_LOG_UAR_SZ_OFFSET);
2018
2019 /* set parser VXLAN attributes */
2020 if (dev->caps.flags2 & MLX4_DEV_CAP_FLAG2_VXLAN_OFFLOADS) {
2021 u8 parser_params = 0;
2022 MLX4_PUT(inbox, parser_params, INIT_HCA_VXLAN_OFFSET);
2023 }
2024
2025 err = mlx4_cmd(dev, mailbox->dma, 0, 0, MLX4_CMD_INIT_HCA,
2026 MLX4_CMD_TIME_CLASS_C, MLX4_CMD_NATIVE);
2027
2028 if (err)
2029 mlx4_err(dev, "INIT_HCA returns %d\n", err);
2030
2031 mlx4_free_cmd_mailbox(dev, mailbox);
2032 return err;
2033 }
2034
2035 int mlx4_QUERY_HCA(struct mlx4_dev *dev,
2036 struct mlx4_init_hca_param *param)
2037 {
2038 struct mlx4_cmd_mailbox *mailbox;
2039 __be32 *outbox;
2040 u32 dword_field;
2041 int err;
2042 u8 byte_field;
2043 static const u8 a0_dmfs_query_hw_steering[] = {
2044 [0] = MLX4_STEERING_DMFS_A0_DEFAULT,
2045 [1] = MLX4_STEERING_DMFS_A0_DYNAMIC,
2046 [2] = MLX4_STEERING_DMFS_A0_STATIC,
2047 [3] = MLX4_STEERING_DMFS_A0_DISABLE
2048 };
2049
2050 #define QUERY_HCA_GLOBAL_CAPS_OFFSET 0x04
2051 #define QUERY_HCA_CORE_CLOCK_OFFSET 0x0c
2052
2053 mailbox = mlx4_alloc_cmd_mailbox(dev);
2054 if (IS_ERR(mailbox))
2055 return PTR_ERR(mailbox);
2056 outbox = mailbox->buf;
2057
2058 err = mlx4_cmd_box(dev, 0, mailbox->dma, 0, 0,
2059 MLX4_CMD_QUERY_HCA,
2060 MLX4_CMD_TIME_CLASS_B,
2061 !mlx4_is_slave(dev));
2062 if (err)
2063 goto out;
2064
2065 MLX4_GET(param->global_caps, outbox, QUERY_HCA_GLOBAL_CAPS_OFFSET);
2066 MLX4_GET(param->hca_core_clock, outbox, QUERY_HCA_CORE_CLOCK_OFFSET);
2067
2068 /* QPC/EEC/CQC/EQC/RDMARC attributes */
2069
2070 MLX4_GET(param->qpc_base, outbox, INIT_HCA_QPC_BASE_OFFSET);
2071 MLX4_GET(param->log_num_qps, outbox, INIT_HCA_LOG_QP_OFFSET);
2072 MLX4_GET(param->srqc_base, outbox, INIT_HCA_SRQC_BASE_OFFSET);
2073 MLX4_GET(param->log_num_srqs, outbox, INIT_HCA_LOG_SRQ_OFFSET);
2074 MLX4_GET(param->cqc_base, outbox, INIT_HCA_CQC_BASE_OFFSET);
2075 MLX4_GET(param->log_num_cqs, outbox, INIT_HCA_LOG_CQ_OFFSET);
2076 MLX4_GET(param->altc_base, outbox, INIT_HCA_ALTC_BASE_OFFSET);
2077 MLX4_GET(param->auxc_base, outbox, INIT_HCA_AUXC_BASE_OFFSET);
2078 MLX4_GET(param->eqc_base, outbox, INIT_HCA_EQC_BASE_OFFSET);
2079 MLX4_GET(param->log_num_eqs, outbox, INIT_HCA_LOG_EQ_OFFSET);
2080 MLX4_GET(param->num_sys_eqs, outbox, INIT_HCA_NUM_SYS_EQS_OFFSET);
2081 MLX4_GET(param->rdmarc_base, outbox, INIT_HCA_RDMARC_BASE_OFFSET);
2082 MLX4_GET(param->log_rd_per_qp, outbox, INIT_HCA_LOG_RD_OFFSET);
2083
2084 MLX4_GET(dword_field, outbox, INIT_HCA_FLAGS_OFFSET);
2085 if (dword_field & (1 << INIT_HCA_DEVICE_MANAGED_FLOW_STEERING_EN)) {
2086 param->steering_mode = MLX4_STEERING_MODE_DEVICE_MANAGED;
2087 } else {
2088 MLX4_GET(byte_field, outbox, INIT_HCA_UC_STEERING_OFFSET);
2089 if (byte_field & 0x8)
2090 param->steering_mode = MLX4_STEERING_MODE_B0;
2091 else
2092 param->steering_mode = MLX4_STEERING_MODE_A0;
2093 }
2094
2095 if (dword_field & (1 << 13))
2096 param->rss_ip_frags = 1;
2097
2098 /* steering attributes */
2099 if (param->steering_mode == MLX4_STEERING_MODE_DEVICE_MANAGED) {
2100 MLX4_GET(param->mc_base, outbox, INIT_HCA_FS_BASE_OFFSET);
2101 MLX4_GET(param->log_mc_entry_sz, outbox,
2102 INIT_HCA_FS_LOG_ENTRY_SZ_OFFSET);
2103 MLX4_GET(param->log_mc_table_sz, outbox,
2104 INIT_HCA_FS_LOG_TABLE_SZ_OFFSET);
2105 MLX4_GET(byte_field, outbox,
2106 INIT_HCA_FS_A0_OFFSET);
2107 param->dmfs_high_steer_mode =
2108 a0_dmfs_query_hw_steering[(byte_field >> 6) & 3];
2109 } else {
2110 MLX4_GET(param->mc_base, outbox, INIT_HCA_MC_BASE_OFFSET);
2111 MLX4_GET(param->log_mc_entry_sz, outbox,
2112 INIT_HCA_LOG_MC_ENTRY_SZ_OFFSET);
2113 MLX4_GET(param->log_mc_hash_sz, outbox,
2114 INIT_HCA_LOG_MC_HASH_SZ_OFFSET);
2115 MLX4_GET(param->log_mc_table_sz, outbox,
2116 INIT_HCA_LOG_MC_TABLE_SZ_OFFSET);
2117 }
2118
2119 /* CX3 is capable of extending CQEs/EQEs from 32 to 64 bytes */
2120 MLX4_GET(byte_field, outbox, INIT_HCA_EQE_CQE_OFFSETS);
2121 if (byte_field & 0x20) /* 64-bytes eqe enabled */
2122 param->dev_cap_enabled |= MLX4_DEV_CAP_64B_EQE_ENABLED;
2123 if (byte_field & 0x40) /* 64-bytes cqe enabled */
2124 param->dev_cap_enabled |= MLX4_DEV_CAP_64B_CQE_ENABLED;
2125
2126 /* CX3 is capable of extending CQEs\EQEs to strides larger than 64B */
2127 MLX4_GET(byte_field, outbox, INIT_HCA_EQE_CQE_STRIDE_OFFSET);
2128 if (byte_field) {
2129 param->dev_cap_enabled |= MLX4_DEV_CAP_EQE_STRIDE_ENABLED;
2130 param->dev_cap_enabled |= MLX4_DEV_CAP_CQE_STRIDE_ENABLED;
2131 param->cqe_size = 1 << ((byte_field &
2132 MLX4_CQE_SIZE_MASK_STRIDE) + 5);
2133 param->eqe_size = 1 << (((byte_field &
2134 MLX4_EQE_SIZE_MASK_STRIDE) >> 4) + 5);
2135 }
2136
2137 /* TPT attributes */
2138
2139 MLX4_GET(param->dmpt_base, outbox, INIT_HCA_DMPT_BASE_OFFSET);
2140 MLX4_GET(param->mw_enabled, outbox, INIT_HCA_TPT_MW_OFFSET);
2141 MLX4_GET(param->log_mpt_sz, outbox, INIT_HCA_LOG_MPT_SZ_OFFSET);
2142 MLX4_GET(param->mtt_base, outbox, INIT_HCA_MTT_BASE_OFFSET);
2143 MLX4_GET(param->cmpt_base, outbox, INIT_HCA_CMPT_BASE_OFFSET);
2144
2145 /* UAR attributes */
2146
2147 MLX4_GET(param->uar_page_sz, outbox, INIT_HCA_UAR_PAGE_SZ_OFFSET);
2148 MLX4_GET(param->log_uar_sz, outbox, INIT_HCA_LOG_UAR_SZ_OFFSET);
2149
2150 /* phv_check enable */
2151 MLX4_GET(byte_field, outbox, INIT_HCA_CACHELINE_SZ_OFFSET);
2152 if (byte_field & 0x2)
2153 param->phv_check_en = 1;
2154 out:
2155 mlx4_free_cmd_mailbox(dev, mailbox);
2156
2157 return err;
2158 }
2159
2160 static int mlx4_hca_core_clock_update(struct mlx4_dev *dev)
2161 {
2162 struct mlx4_cmd_mailbox *mailbox;
2163 __be32 *outbox;
2164 int err;
2165
2166 mailbox = mlx4_alloc_cmd_mailbox(dev);
2167 if (IS_ERR(mailbox)) {
2168 mlx4_warn(dev, "hca_core_clock mailbox allocation failed\n");
2169 return PTR_ERR(mailbox);
2170 }
2171 outbox = mailbox->buf;
2172
2173 err = mlx4_cmd_box(dev, 0, mailbox->dma, 0, 0,
2174 MLX4_CMD_QUERY_HCA,
2175 MLX4_CMD_TIME_CLASS_B,
2176 !mlx4_is_slave(dev));
2177 if (err) {
2178 mlx4_warn(dev, "hca_core_clock update failed\n");
2179 goto out;
2180 }
2181
2182 MLX4_GET(dev->caps.hca_core_clock, outbox, QUERY_HCA_CORE_CLOCK_OFFSET);
2183
2184 out:
2185 mlx4_free_cmd_mailbox(dev, mailbox);
2186
2187 return err;
2188 }
2189
2190 /* for IB-type ports only in SRIOV mode. Checks that both proxy QP0
2191 * and real QP0 are active, so that the paravirtualized QP0 is ready
2192 * to operate */
2193 static int check_qp0_state(struct mlx4_dev *dev, int function, int port)
2194 {
2195 struct mlx4_priv *priv = mlx4_priv(dev);
2196 /* irrelevant if not infiniband */
2197 if (priv->mfunc.master.qp0_state[port].proxy_qp0_active &&
2198 priv->mfunc.master.qp0_state[port].qp0_active)
2199 return 1;
2200 return 0;
2201 }
2202
2203 int mlx4_INIT_PORT_wrapper(struct mlx4_dev *dev, int slave,
2204 struct mlx4_vhcr *vhcr,
2205 struct mlx4_cmd_mailbox *inbox,
2206 struct mlx4_cmd_mailbox *outbox,
2207 struct mlx4_cmd_info *cmd)
2208 {
2209 struct mlx4_priv *priv = mlx4_priv(dev);
2210 int port = mlx4_slave_convert_port(dev, slave, vhcr->in_modifier);
2211 int err;
2212
2213 if (port < 0)
2214 return -EINVAL;
2215
2216 if (priv->mfunc.master.slave_state[slave].init_port_mask & (1 << port))
2217 return 0;
2218
2219 if (dev->caps.port_mask[port] != MLX4_PORT_TYPE_IB) {
2220 /* Enable port only if it was previously disabled */
2221 if (!priv->mfunc.master.init_port_ref[port]) {
2222 err = mlx4_cmd(dev, 0, port, 0, MLX4_CMD_INIT_PORT,
2223 MLX4_CMD_TIME_CLASS_A, MLX4_CMD_NATIVE);
2224 if (err)
2225 return err;
2226 }
2227 priv->mfunc.master.slave_state[slave].init_port_mask |= (1 << port);
2228 } else {
2229 if (slave == mlx4_master_func_num(dev)) {
2230 if (check_qp0_state(dev, slave, port) &&
2231 !priv->mfunc.master.qp0_state[port].port_active) {
2232 err = mlx4_cmd(dev, 0, port, 0, MLX4_CMD_INIT_PORT,
2233 MLX4_CMD_TIME_CLASS_A, MLX4_CMD_NATIVE);
2234 if (err)
2235 return err;
2236 priv->mfunc.master.qp0_state[port].port_active = 1;
2237 priv->mfunc.master.slave_state[slave].init_port_mask |= (1 << port);
2238 }
2239 } else
2240 priv->mfunc.master.slave_state[slave].init_port_mask |= (1 << port);
2241 }
2242 ++priv->mfunc.master.init_port_ref[port];
2243 return 0;
2244 }
2245
2246 int mlx4_INIT_PORT(struct mlx4_dev *dev, int port)
2247 {
2248 struct mlx4_cmd_mailbox *mailbox;
2249 u32 *inbox;
2250 int err;
2251 u32 flags;
2252 u16 field;
2253
2254 if (dev->flags & MLX4_FLAG_OLD_PORT_CMDS) {
2255 #define INIT_PORT_IN_SIZE 256
2256 #define INIT_PORT_FLAGS_OFFSET 0x00
2257 #define INIT_PORT_FLAG_SIG (1 << 18)
2258 #define INIT_PORT_FLAG_NG (1 << 17)
2259 #define INIT_PORT_FLAG_G0 (1 << 16)
2260 #define INIT_PORT_VL_SHIFT 4
2261 #define INIT_PORT_PORT_WIDTH_SHIFT 8
2262 #define INIT_PORT_MTU_OFFSET 0x04
2263 #define INIT_PORT_MAX_GID_OFFSET 0x06
2264 #define INIT_PORT_MAX_PKEY_OFFSET 0x0a
2265 #define INIT_PORT_GUID0_OFFSET 0x10
2266 #define INIT_PORT_NODE_GUID_OFFSET 0x18
2267 #define INIT_PORT_SI_GUID_OFFSET 0x20
2268
2269 mailbox = mlx4_alloc_cmd_mailbox(dev);
2270 if (IS_ERR(mailbox))
2271 return PTR_ERR(mailbox);
2272 inbox = mailbox->buf;
2273
2274 flags = 0;
2275 flags |= (dev->caps.vl_cap[port] & 0xf) << INIT_PORT_VL_SHIFT;
2276 flags |= (dev->caps.port_width_cap[port] & 0xf) << INIT_PORT_PORT_WIDTH_SHIFT;
2277 MLX4_PUT(inbox, flags, INIT_PORT_FLAGS_OFFSET);
2278
2279 field = 128 << dev->caps.ib_mtu_cap[port];
2280 MLX4_PUT(inbox, field, INIT_PORT_MTU_OFFSET);
2281 field = dev->caps.gid_table_len[port];
2282 MLX4_PUT(inbox, field, INIT_PORT_MAX_GID_OFFSET);
2283 field = dev->caps.pkey_table_len[port];
2284 MLX4_PUT(inbox, field, INIT_PORT_MAX_PKEY_OFFSET);
2285
2286 err = mlx4_cmd(dev, mailbox->dma, port, 0, MLX4_CMD_INIT_PORT,
2287 MLX4_CMD_TIME_CLASS_A, MLX4_CMD_NATIVE);
2288
2289 mlx4_free_cmd_mailbox(dev, mailbox);
2290 } else
2291 err = mlx4_cmd(dev, 0, port, 0, MLX4_CMD_INIT_PORT,
2292 MLX4_CMD_TIME_CLASS_A, MLX4_CMD_WRAPPED);
2293
2294 if (!err)
2295 mlx4_hca_core_clock_update(dev);
2296
2297 return err;
2298 }
2299 EXPORT_SYMBOL_GPL(mlx4_INIT_PORT);
2300
2301 int mlx4_CLOSE_PORT_wrapper(struct mlx4_dev *dev, int slave,
2302 struct mlx4_vhcr *vhcr,
2303 struct mlx4_cmd_mailbox *inbox,
2304 struct mlx4_cmd_mailbox *outbox,
2305 struct mlx4_cmd_info *cmd)
2306 {
2307 struct mlx4_priv *priv = mlx4_priv(dev);
2308 int port = mlx4_slave_convert_port(dev, slave, vhcr->in_modifier);
2309 int err;
2310
2311 if (port < 0)
2312 return -EINVAL;
2313
2314 if (!(priv->mfunc.master.slave_state[slave].init_port_mask &
2315 (1 << port)))
2316 return 0;
2317
2318 if (dev->caps.port_mask[port] != MLX4_PORT_TYPE_IB) {
2319 if (priv->mfunc.master.init_port_ref[port] == 1) {
2320 err = mlx4_cmd(dev, 0, port, 0, MLX4_CMD_CLOSE_PORT,
2321 MLX4_CMD_TIME_CLASS_A, MLX4_CMD_NATIVE);
2322 if (err)
2323 return err;
2324 }
2325 priv->mfunc.master.slave_state[slave].init_port_mask &= ~(1 << port);
2326 } else {
2327 /* infiniband port */
2328 if (slave == mlx4_master_func_num(dev)) {
2329 if (!priv->mfunc.master.qp0_state[port].qp0_active &&
2330 priv->mfunc.master.qp0_state[port].port_active) {
2331 err = mlx4_cmd(dev, 0, port, 0, MLX4_CMD_CLOSE_PORT,
2332 MLX4_CMD_TIME_CLASS_A, MLX4_CMD_NATIVE);
2333 if (err)
2334 return err;
2335 priv->mfunc.master.slave_state[slave].init_port_mask &= ~(1 << port);
2336 priv->mfunc.master.qp0_state[port].port_active = 0;
2337 }
2338 } else
2339 priv->mfunc.master.slave_state[slave].init_port_mask &= ~(1 << port);
2340 }
2341 --priv->mfunc.master.init_port_ref[port];
2342 return 0;
2343 }
2344
2345 int mlx4_CLOSE_PORT(struct mlx4_dev *dev, int port)
2346 {
2347 return mlx4_cmd(dev, 0, port, 0, MLX4_CMD_CLOSE_PORT,
2348 MLX4_CMD_TIME_CLASS_A, MLX4_CMD_WRAPPED);
2349 }
2350 EXPORT_SYMBOL_GPL(mlx4_CLOSE_PORT);
2351
2352 int mlx4_CLOSE_HCA(struct mlx4_dev *dev, int panic)
2353 {
2354 return mlx4_cmd(dev, 0, 0, panic, MLX4_CMD_CLOSE_HCA,
2355 MLX4_CMD_TIME_CLASS_C, MLX4_CMD_NATIVE);
2356 }
2357
2358 struct mlx4_config_dev {
2359 __be32 update_flags;
2360 __be32 rsvd1[3];
2361 __be16 vxlan_udp_dport;
2362 __be16 rsvd2;
2363 __be16 roce_v2_entropy;
2364 __be16 roce_v2_udp_dport;
2365 __be32 roce_flags;
2366 __be32 rsvd4[25];
2367 __be16 rsvd5;
2368 u8 rsvd6;
2369 u8 rx_checksum_val;
2370 };
2371
2372 #define MLX4_VXLAN_UDP_DPORT (1 << 0)
2373 #define MLX4_ROCE_V2_UDP_DPORT BIT(3)
2374 #define MLX4_DISABLE_RX_PORT BIT(18)
2375
2376 static int mlx4_CONFIG_DEV_set(struct mlx4_dev *dev, struct mlx4_config_dev *config_dev)
2377 {
2378 int err;
2379 struct mlx4_cmd_mailbox *mailbox;
2380
2381 mailbox = mlx4_alloc_cmd_mailbox(dev);
2382 if (IS_ERR(mailbox))
2383 return PTR_ERR(mailbox);
2384
2385 memcpy(mailbox->buf, config_dev, sizeof(*config_dev));
2386
2387 err = mlx4_cmd(dev, mailbox->dma, 0, 0, MLX4_CMD_CONFIG_DEV,
2388 MLX4_CMD_TIME_CLASS_B, MLX4_CMD_NATIVE);
2389
2390 mlx4_free_cmd_mailbox(dev, mailbox);
2391 return err;
2392 }
2393
2394 static int mlx4_CONFIG_DEV_get(struct mlx4_dev *dev, struct mlx4_config_dev *config_dev)
2395 {
2396 int err;
2397 struct mlx4_cmd_mailbox *mailbox;
2398
2399 mailbox = mlx4_alloc_cmd_mailbox(dev);
2400 if (IS_ERR(mailbox))
2401 return PTR_ERR(mailbox);
2402
2403 err = mlx4_cmd_box(dev, 0, mailbox->dma, 0, 1, MLX4_CMD_CONFIG_DEV,
2404 MLX4_CMD_TIME_CLASS_A, MLX4_CMD_NATIVE);
2405
2406 if (!err)
2407 memcpy(config_dev, mailbox->buf, sizeof(*config_dev));
2408
2409 mlx4_free_cmd_mailbox(dev, mailbox);
2410 return err;
2411 }
2412
2413 /* Conversion between the HW values and the actual functionality.
2414 * The value represented by the array index,
2415 * and the functionality determined by the flags.
2416 */
2417 static const u8 config_dev_csum_flags[] = {
2418 [0] = 0,
2419 [1] = MLX4_RX_CSUM_MODE_VAL_NON_TCP_UDP,
2420 [2] = MLX4_RX_CSUM_MODE_VAL_NON_TCP_UDP |
2421 MLX4_RX_CSUM_MODE_L4,
2422 [3] = MLX4_RX_CSUM_MODE_L4 |
2423 MLX4_RX_CSUM_MODE_IP_OK_IP_NON_TCP_UDP |
2424 MLX4_RX_CSUM_MODE_MULTI_VLAN
2425 };
2426
2427 int mlx4_config_dev_retrieval(struct mlx4_dev *dev,
2428 struct mlx4_config_dev_params *params)
2429 {
2430 struct mlx4_config_dev config_dev = {0};
2431 int err;
2432 u8 csum_mask;
2433
2434 #define CONFIG_DEV_RX_CSUM_MODE_MASK 0x7
2435 #define CONFIG_DEV_RX_CSUM_MODE_PORT1_BIT_OFFSET 0
2436 #define CONFIG_DEV_RX_CSUM_MODE_PORT2_BIT_OFFSET 4
2437
2438 if (!(dev->caps.flags2 & MLX4_DEV_CAP_FLAG2_CONFIG_DEV))
2439 return -ENOTSUPP;
2440
2441 err = mlx4_CONFIG_DEV_get(dev, &config_dev);
2442 if (err)
2443 return err;
2444
2445 csum_mask = (config_dev.rx_checksum_val >> CONFIG_DEV_RX_CSUM_MODE_PORT1_BIT_OFFSET) &
2446 CONFIG_DEV_RX_CSUM_MODE_MASK;
2447
2448 if (csum_mask >= sizeof(config_dev_csum_flags)/sizeof(config_dev_csum_flags[0]))
2449 return -EINVAL;
2450 params->rx_csum_flags_port_1 = config_dev_csum_flags[csum_mask];
2451
2452 csum_mask = (config_dev.rx_checksum_val >> CONFIG_DEV_RX_CSUM_MODE_PORT2_BIT_OFFSET) &
2453 CONFIG_DEV_RX_CSUM_MODE_MASK;
2454
2455 if (csum_mask >= sizeof(config_dev_csum_flags)/sizeof(config_dev_csum_flags[0]))
2456 return -EINVAL;
2457 params->rx_csum_flags_port_2 = config_dev_csum_flags[csum_mask];
2458
2459 params->vxlan_udp_dport = be16_to_cpu(config_dev.vxlan_udp_dport);
2460
2461 return 0;
2462 }
2463 EXPORT_SYMBOL_GPL(mlx4_config_dev_retrieval);
2464
2465 int mlx4_config_vxlan_port(struct mlx4_dev *dev, __be16 udp_port)
2466 {
2467 struct mlx4_config_dev config_dev;
2468
2469 memset(&config_dev, 0, sizeof(config_dev));
2470 config_dev.update_flags = cpu_to_be32(MLX4_VXLAN_UDP_DPORT);
2471 config_dev.vxlan_udp_dport = udp_port;
2472
2473 return mlx4_CONFIG_DEV_set(dev, &config_dev);
2474 }
2475 EXPORT_SYMBOL_GPL(mlx4_config_vxlan_port);
2476
2477 #define CONFIG_DISABLE_RX_PORT BIT(15)
2478 int mlx4_disable_rx_port_check(struct mlx4_dev *dev, bool dis)
2479 {
2480 struct mlx4_config_dev config_dev;
2481
2482 memset(&config_dev, 0, sizeof(config_dev));
2483 config_dev.update_flags = cpu_to_be32(MLX4_DISABLE_RX_PORT);
2484 if (dis)
2485 config_dev.roce_flags =
2486 cpu_to_be32(CONFIG_DISABLE_RX_PORT);
2487
2488 return mlx4_CONFIG_DEV_set(dev, &config_dev);
2489 }
2490
2491 int mlx4_config_roce_v2_port(struct mlx4_dev *dev, u16 udp_port)
2492 {
2493 struct mlx4_config_dev config_dev;
2494
2495 memset(&config_dev, 0, sizeof(config_dev));
2496 config_dev.update_flags = cpu_to_be32(MLX4_ROCE_V2_UDP_DPORT);
2497 config_dev.roce_v2_udp_dport = cpu_to_be16(udp_port);
2498
2499 return mlx4_CONFIG_DEV_set(dev, &config_dev);
2500 }
2501 EXPORT_SYMBOL_GPL(mlx4_config_roce_v2_port);
2502
2503 int mlx4_virt2phy_port_map(struct mlx4_dev *dev, u32 port1, u32 port2)
2504 {
2505 struct mlx4_cmd_mailbox *mailbox;
2506 struct {
2507 __be32 v_port1;
2508 __be32 v_port2;
2509 } *v2p;
2510 int err;
2511
2512 mailbox = mlx4_alloc_cmd_mailbox(dev);
2513 if (IS_ERR(mailbox))
2514 return -ENOMEM;
2515
2516 v2p = mailbox->buf;
2517 v2p->v_port1 = cpu_to_be32(port1);
2518 v2p->v_port2 = cpu_to_be32(port2);
2519
2520 err = mlx4_cmd(dev, mailbox->dma, 0,
2521 MLX4_SET_PORT_VIRT2PHY, MLX4_CMD_VIRT_PORT_MAP,
2522 MLX4_CMD_TIME_CLASS_B, MLX4_CMD_NATIVE);
2523
2524 mlx4_free_cmd_mailbox(dev, mailbox);
2525 return err;
2526 }
2527
2528
2529 int mlx4_SET_ICM_SIZE(struct mlx4_dev *dev, u64 icm_size, u64 *aux_pages)
2530 {
2531 int ret = mlx4_cmd_imm(dev, icm_size, aux_pages, 0, 0,
2532 MLX4_CMD_SET_ICM_SIZE,
2533 MLX4_CMD_TIME_CLASS_A, MLX4_CMD_NATIVE);
2534 if (ret)
2535 return ret;
2536
2537 /*
2538 * Round up number of system pages needed in case
2539 * MLX4_ICM_PAGE_SIZE < PAGE_SIZE.
2540 */
2541 *aux_pages = ALIGN(*aux_pages, PAGE_SIZE / MLX4_ICM_PAGE_SIZE) >>
2542 (PAGE_SHIFT - MLX4_ICM_PAGE_SHIFT);
2543
2544 return 0;
2545 }
2546
2547 int mlx4_NOP(struct mlx4_dev *dev)
2548 {
2549 /* Input modifier of 0x1f means "finish as soon as possible." */
2550 return mlx4_cmd(dev, 0, 0x1f, 0, MLX4_CMD_NOP, MLX4_CMD_TIME_CLASS_A,
2551 MLX4_CMD_NATIVE);
2552 }
2553
2554 int mlx4_query_diag_counters(struct mlx4_dev *dev, u8 op_modifier,
2555 const u32 offset[],
2556 u32 value[], size_t array_len, u8 port)
2557 {
2558 struct mlx4_cmd_mailbox *mailbox;
2559 u32 *outbox;
2560 size_t i;
2561 int ret;
2562
2563 mailbox = mlx4_alloc_cmd_mailbox(dev);
2564 if (IS_ERR(mailbox))
2565 return PTR_ERR(mailbox);
2566
2567 outbox = mailbox->buf;
2568
2569 ret = mlx4_cmd_box(dev, 0, mailbox->dma, port, op_modifier,
2570 MLX4_CMD_DIAG_RPRT, MLX4_CMD_TIME_CLASS_A,
2571 MLX4_CMD_NATIVE);
2572 if (ret)
2573 goto out;
2574
2575 for (i = 0; i < array_len; i++) {
2576 if (offset[i] > MLX4_MAILBOX_SIZE) {
2577 ret = -EINVAL;
2578 goto out;
2579 }
2580
2581 MLX4_GET(value[i], outbox, offset[i]);
2582 }
2583
2584 out:
2585 mlx4_free_cmd_mailbox(dev, mailbox);
2586 return ret;
2587 }
2588 EXPORT_SYMBOL(mlx4_query_diag_counters);
2589
2590 int mlx4_get_phys_port_id(struct mlx4_dev *dev)
2591 {
2592 u8 port;
2593 u32 *outbox;
2594 struct mlx4_cmd_mailbox *mailbox;
2595 u32 in_mod;
2596 u32 guid_hi, guid_lo;
2597 int err, ret = 0;
2598 #define MOD_STAT_CFG_PORT_OFFSET 8
2599 #define MOD_STAT_CFG_GUID_H 0X14
2600 #define MOD_STAT_CFG_GUID_L 0X1c
2601
2602 mailbox = mlx4_alloc_cmd_mailbox(dev);
2603 if (IS_ERR(mailbox))
2604 return PTR_ERR(mailbox);
2605 outbox = mailbox->buf;
2606
2607 for (port = 1; port <= dev->caps.num_ports; port++) {
2608 in_mod = port << MOD_STAT_CFG_PORT_OFFSET;
2609 err = mlx4_cmd_box(dev, 0, mailbox->dma, in_mod, 0x2,
2610 MLX4_CMD_MOD_STAT_CFG, MLX4_CMD_TIME_CLASS_A,
2611 MLX4_CMD_NATIVE);
2612 if (err) {
2613 mlx4_err(dev, "Fail to get port %d uplink guid\n",
2614 port);
2615 ret = err;
2616 } else {
2617 MLX4_GET(guid_hi, outbox, MOD_STAT_CFG_GUID_H);
2618 MLX4_GET(guid_lo, outbox, MOD_STAT_CFG_GUID_L);
2619 dev->caps.phys_port_id[port] = (u64)guid_lo |
2620 (u64)guid_hi << 32;
2621 }
2622 }
2623 mlx4_free_cmd_mailbox(dev, mailbox);
2624 return ret;
2625 }
2626
2627 #define MLX4_WOL_SETUP_MODE (5 << 28)
2628 int mlx4_wol_read(struct mlx4_dev *dev, u64 *config, int port)
2629 {
2630 u32 in_mod = MLX4_WOL_SETUP_MODE | port << 8;
2631
2632 return mlx4_cmd_imm(dev, 0, config, in_mod, 0x3,
2633 MLX4_CMD_MOD_STAT_CFG, MLX4_CMD_TIME_CLASS_A,
2634 MLX4_CMD_NATIVE);
2635 }
2636 EXPORT_SYMBOL_GPL(mlx4_wol_read);
2637
2638 int mlx4_wol_write(struct mlx4_dev *dev, u64 config, int port)
2639 {
2640 u32 in_mod = MLX4_WOL_SETUP_MODE | port << 8;
2641
2642 return mlx4_cmd(dev, config, in_mod, 0x1, MLX4_CMD_MOD_STAT_CFG,
2643 MLX4_CMD_TIME_CLASS_A, MLX4_CMD_NATIVE);
2644 }
2645 EXPORT_SYMBOL_GPL(mlx4_wol_write);
2646
2647 enum {
2648 ADD_TO_MCG = 0x26,
2649 };
2650
2651
2652 void mlx4_opreq_action(struct work_struct *work)
2653 {
2654 struct mlx4_priv *priv = container_of(work, struct mlx4_priv,
2655 opreq_task);
2656 struct mlx4_dev *dev = &priv->dev;
2657 int num_tasks = atomic_read(&priv->opreq_count);
2658 struct mlx4_cmd_mailbox *mailbox;
2659 struct mlx4_mgm *mgm;
2660 u32 *outbox;
2661 u32 modifier;
2662 u16 token;
2663 u16 type;
2664 int err;
2665 u32 num_qps;
2666 struct mlx4_qp qp;
2667 int i;
2668 u8 rem_mcg;
2669 u8 prot;
2670
2671 #define GET_OP_REQ_MODIFIER_OFFSET 0x08
2672 #define GET_OP_REQ_TOKEN_OFFSET 0x14
2673 #define GET_OP_REQ_TYPE_OFFSET 0x1a
2674 #define GET_OP_REQ_DATA_OFFSET 0x20
2675
2676 mailbox = mlx4_alloc_cmd_mailbox(dev);
2677 if (IS_ERR(mailbox)) {
2678 mlx4_err(dev, "Failed to allocate mailbox for GET_OP_REQ\n");
2679 return;
2680 }
2681 outbox = mailbox->buf;
2682
2683 while (num_tasks) {
2684 err = mlx4_cmd_box(dev, 0, mailbox->dma, 0, 0,
2685 MLX4_CMD_GET_OP_REQ, MLX4_CMD_TIME_CLASS_A,
2686 MLX4_CMD_NATIVE);
2687 if (err) {
2688 mlx4_err(dev, "Failed to retrieve required operation: %d\n",
2689 err);
2690 return;
2691 }
2692 MLX4_GET(modifier, outbox, GET_OP_REQ_MODIFIER_OFFSET);
2693 MLX4_GET(token, outbox, GET_OP_REQ_TOKEN_OFFSET);
2694 MLX4_GET(type, outbox, GET_OP_REQ_TYPE_OFFSET);
2695 type &= 0xfff;
2696
2697 switch (type) {
2698 case ADD_TO_MCG:
2699 if (dev->caps.steering_mode ==
2700 MLX4_STEERING_MODE_DEVICE_MANAGED) {
2701 mlx4_warn(dev, "ADD MCG operation is not supported in DEVICE_MANAGED steering mode\n");
2702 err = EPERM;
2703 break;
2704 }
2705 mgm = (struct mlx4_mgm *)((u8 *)(outbox) +
2706 GET_OP_REQ_DATA_OFFSET);
2707 num_qps = be32_to_cpu(mgm->members_count) &
2708 MGM_QPN_MASK;
2709 rem_mcg = ((u8 *)(&mgm->members_count))[0] & 1;
2710 prot = ((u8 *)(&mgm->members_count))[0] >> 6;
2711
2712 for (i = 0; i < num_qps; i++) {
2713 qp.qpn = be32_to_cpu(mgm->qp[i]);
2714 if (rem_mcg)
2715 err = mlx4_multicast_detach(dev, &qp,
2716 mgm->gid,
2717 prot, 0);
2718 else
2719 err = mlx4_multicast_attach(dev, &qp,
2720 mgm->gid,
2721 mgm->gid[5]
2722 , 0, prot,
2723 NULL);
2724 if (err)
2725 break;
2726 }
2727 break;
2728 default:
2729 mlx4_warn(dev, "Bad type for required operation\n");
2730 err = EINVAL;
2731 break;
2732 }
2733 err = mlx4_cmd(dev, 0, ((u32) err |
2734 (__force u32)cpu_to_be32(token) << 16),
2735 1, MLX4_CMD_GET_OP_REQ, MLX4_CMD_TIME_CLASS_A,
2736 MLX4_CMD_NATIVE);
2737 if (err) {
2738 mlx4_err(dev, "Failed to acknowledge required request: %d\n",
2739 err);
2740 goto out;
2741 }
2742 memset(outbox, 0, 0xffc);
2743 num_tasks = atomic_dec_return(&priv->opreq_count);
2744 }
2745
2746 out:
2747 mlx4_free_cmd_mailbox(dev, mailbox);
2748 }
2749
2750 static int mlx4_check_smp_firewall_active(struct mlx4_dev *dev,
2751 struct mlx4_cmd_mailbox *mailbox)
2752 {
2753 #define MLX4_CMD_MAD_DEMUX_SET_ATTR_OFFSET 0x10
2754 #define MLX4_CMD_MAD_DEMUX_GETRESP_ATTR_OFFSET 0x20
2755 #define MLX4_CMD_MAD_DEMUX_TRAP_ATTR_OFFSET 0x40
2756 #define MLX4_CMD_MAD_DEMUX_TRAP_REPRESS_ATTR_OFFSET 0x70
2757
2758 u32 set_attr_mask, getresp_attr_mask;
2759 u32 trap_attr_mask, traprepress_attr_mask;
2760
2761 MLX4_GET(set_attr_mask, mailbox->buf,
2762 MLX4_CMD_MAD_DEMUX_SET_ATTR_OFFSET);
2763 mlx4_dbg(dev, "SMP firewall set_attribute_mask = 0x%x\n",
2764 set_attr_mask);
2765
2766 MLX4_GET(getresp_attr_mask, mailbox->buf,
2767 MLX4_CMD_MAD_DEMUX_GETRESP_ATTR_OFFSET);
2768 mlx4_dbg(dev, "SMP firewall getresp_attribute_mask = 0x%x\n",
2769 getresp_attr_mask);
2770
2771 MLX4_GET(trap_attr_mask, mailbox->buf,
2772 MLX4_CMD_MAD_DEMUX_TRAP_ATTR_OFFSET);
2773 mlx4_dbg(dev, "SMP firewall trap_attribute_mask = 0x%x\n",
2774 trap_attr_mask);
2775
2776 MLX4_GET(traprepress_attr_mask, mailbox->buf,
2777 MLX4_CMD_MAD_DEMUX_TRAP_REPRESS_ATTR_OFFSET);
2778 mlx4_dbg(dev, "SMP firewall traprepress_attribute_mask = 0x%x\n",
2779 traprepress_attr_mask);
2780
2781 if (set_attr_mask && getresp_attr_mask && trap_attr_mask &&
2782 traprepress_attr_mask)
2783 return 1;
2784
2785 return 0;
2786 }
2787
2788 int mlx4_config_mad_demux(struct mlx4_dev *dev)
2789 {
2790 struct mlx4_cmd_mailbox *mailbox;
2791 int err;
2792
2793 /* Check if mad_demux is supported */
2794 if (!(dev->caps.flags2 & MLX4_DEV_CAP_FLAG2_MAD_DEMUX))
2795 return 0;
2796
2797 mailbox = mlx4_alloc_cmd_mailbox(dev);
2798 if (IS_ERR(mailbox)) {
2799 mlx4_warn(dev, "Failed to allocate mailbox for cmd MAD_DEMUX");
2800 return -ENOMEM;
2801 }
2802
2803 /* Query mad_demux to find out which MADs are handled by internal sma */
2804 err = mlx4_cmd_box(dev, 0, mailbox->dma, 0x01 /* subn mgmt class */,
2805 MLX4_CMD_MAD_DEMUX_QUERY_RESTR, MLX4_CMD_MAD_DEMUX,
2806 MLX4_CMD_TIME_CLASS_B, MLX4_CMD_NATIVE);
2807 if (err) {
2808 mlx4_warn(dev, "MLX4_CMD_MAD_DEMUX: query restrictions failed (%d)\n",
2809 err);
2810 goto out;
2811 }
2812
2813 if (mlx4_check_smp_firewall_active(dev, mailbox))
2814 dev->flags |= MLX4_FLAG_SECURE_HOST;
2815
2816 /* Config mad_demux to handle all MADs returned by the query above */
2817 err = mlx4_cmd(dev, mailbox->dma, 0x01 /* subn mgmt class */,
2818 MLX4_CMD_MAD_DEMUX_CONFIG, MLX4_CMD_MAD_DEMUX,
2819 MLX4_CMD_TIME_CLASS_B, MLX4_CMD_NATIVE);
2820 if (err) {
2821 mlx4_warn(dev, "MLX4_CMD_MAD_DEMUX: configure failed (%d)\n", err);
2822 goto out;
2823 }
2824
2825 if (dev->flags & MLX4_FLAG_SECURE_HOST)
2826 mlx4_warn(dev, "HCA operating in secure-host mode. SMP firewall activated.\n");
2827 out:
2828 mlx4_free_cmd_mailbox(dev, mailbox);
2829 return err;
2830 }
2831
2832 /* Access Reg commands */
2833 enum mlx4_access_reg_masks {
2834 MLX4_ACCESS_REG_STATUS_MASK = 0x7f,
2835 MLX4_ACCESS_REG_METHOD_MASK = 0x7f,
2836 MLX4_ACCESS_REG_LEN_MASK = 0x7ff
2837 };
2838
2839 struct mlx4_access_reg {
2840 __be16 constant1;
2841 u8 status;
2842 u8 resrvd1;
2843 __be16 reg_id;
2844 u8 method;
2845 u8 constant2;
2846 __be32 resrvd2[2];
2847 __be16 len_const;
2848 __be16 resrvd3;
2849 #define MLX4_ACCESS_REG_HEADER_SIZE (20)
2850 u8 reg_data[MLX4_MAILBOX_SIZE-MLX4_ACCESS_REG_HEADER_SIZE];
2851 } __attribute__((__packed__));
2852
2853 /**
2854 * mlx4_ACCESS_REG - Generic access reg command.
2855 * @dev: mlx4_dev.
2856 * @reg_id: register ID to access.
2857 * @method: Access method Read/Write.
2858 * @reg_len: register length to Read/Write in bytes.
2859 * @reg_data: reg_data pointer to Read/Write From/To.
2860 *
2861 * Access ConnectX registers FW command.
2862 * Returns 0 on success and copies outbox mlx4_access_reg data
2863 * field into reg_data or a negative error code.
2864 */
2865 static int mlx4_ACCESS_REG(struct mlx4_dev *dev, u16 reg_id,
2866 enum mlx4_access_reg_method method,
2867 u16 reg_len, void *reg_data)
2868 {
2869 struct mlx4_cmd_mailbox *inbox, *outbox;
2870 struct mlx4_access_reg *inbuf, *outbuf;
2871 int err;
2872
2873 inbox = mlx4_alloc_cmd_mailbox(dev);
2874 if (IS_ERR(inbox))
2875 return PTR_ERR(inbox);
2876
2877 outbox = mlx4_alloc_cmd_mailbox(dev);
2878 if (IS_ERR(outbox)) {
2879 mlx4_free_cmd_mailbox(dev, inbox);
2880 return PTR_ERR(outbox);
2881 }
2882
2883 inbuf = inbox->buf;
2884 outbuf = outbox->buf;
2885
2886 inbuf->constant1 = cpu_to_be16(0x1<<11 | 0x4);
2887 inbuf->constant2 = 0x1;
2888 inbuf->reg_id = cpu_to_be16(reg_id);
2889 inbuf->method = method & MLX4_ACCESS_REG_METHOD_MASK;
2890
2891 reg_len = min(reg_len, (u16)(sizeof(inbuf->reg_data)));
2892 inbuf->len_const =
2893 cpu_to_be16(((reg_len/4 + 1) & MLX4_ACCESS_REG_LEN_MASK) |
2894 ((0x3) << 12));
2895
2896 memcpy(inbuf->reg_data, reg_data, reg_len);
2897 err = mlx4_cmd_box(dev, inbox->dma, outbox->dma, 0, 0,
2898 MLX4_CMD_ACCESS_REG, MLX4_CMD_TIME_CLASS_C,
2899 MLX4_CMD_WRAPPED);
2900 if (err)
2901 goto out;
2902
2903 if (outbuf->status & MLX4_ACCESS_REG_STATUS_MASK) {
2904 err = outbuf->status & MLX4_ACCESS_REG_STATUS_MASK;
2905 mlx4_err(dev,
2906 "MLX4_CMD_ACCESS_REG(%x) returned REG status (%x)\n",
2907 reg_id, err);
2908 goto out;
2909 }
2910
2911 memcpy(reg_data, outbuf->reg_data, reg_len);
2912 out:
2913 mlx4_free_cmd_mailbox(dev, inbox);
2914 mlx4_free_cmd_mailbox(dev, outbox);
2915 return err;
2916 }
2917
2918 /* ConnectX registers IDs */
2919 enum mlx4_reg_id {
2920 MLX4_REG_ID_PTYS = 0x5004,
2921 };
2922
2923 /**
2924 * mlx4_ACCESS_PTYS_REG - Access PTYs (Port Type and Speed)
2925 * register
2926 * @dev: mlx4_dev.
2927 * @method: Access method Read/Write.
2928 * @ptys_reg: PTYS register data pointer.
2929 *
2930 * Access ConnectX PTYS register, to Read/Write Port Type/Speed
2931 * configuration
2932 * Returns 0 on success or a negative error code.
2933 */
2934 int mlx4_ACCESS_PTYS_REG(struct mlx4_dev *dev,
2935 enum mlx4_access_reg_method method,
2936 struct mlx4_ptys_reg *ptys_reg)
2937 {
2938 return mlx4_ACCESS_REG(dev, MLX4_REG_ID_PTYS,
2939 method, sizeof(*ptys_reg), ptys_reg);
2940 }
2941 EXPORT_SYMBOL_GPL(mlx4_ACCESS_PTYS_REG);
2942
2943 int mlx4_ACCESS_REG_wrapper(struct mlx4_dev *dev, int slave,
2944 struct mlx4_vhcr *vhcr,
2945 struct mlx4_cmd_mailbox *inbox,
2946 struct mlx4_cmd_mailbox *outbox,
2947 struct mlx4_cmd_info *cmd)
2948 {
2949 struct mlx4_access_reg *inbuf = inbox->buf;
2950 u8 method = inbuf->method & MLX4_ACCESS_REG_METHOD_MASK;
2951 u16 reg_id = be16_to_cpu(inbuf->reg_id);
2952
2953 if (slave != mlx4_master_func_num(dev) &&
2954 method == MLX4_ACCESS_REG_WRITE)
2955 return -EPERM;
2956
2957 if (reg_id == MLX4_REG_ID_PTYS) {
2958 struct mlx4_ptys_reg *ptys_reg =
2959 (struct mlx4_ptys_reg *)inbuf->reg_data;
2960
2961 ptys_reg->local_port =
2962 mlx4_slave_convert_port(dev, slave,
2963 ptys_reg->local_port);
2964 }
2965
2966 return mlx4_cmd_box(dev, inbox->dma, outbox->dma, vhcr->in_modifier,
2967 0, MLX4_CMD_ACCESS_REG, MLX4_CMD_TIME_CLASS_C,
2968 MLX4_CMD_NATIVE);
2969 }
2970
2971 static int mlx4_SET_PORT_phv_bit(struct mlx4_dev *dev, u8 port, u8 phv_bit)
2972 {
2973 #define SET_PORT_GEN_PHV_VALID 0x10
2974 #define SET_PORT_GEN_PHV_EN 0x80
2975
2976 struct mlx4_cmd_mailbox *mailbox;
2977 struct mlx4_set_port_general_context *context;
2978 u32 in_mod;
2979 int err;
2980
2981 mailbox = mlx4_alloc_cmd_mailbox(dev);
2982 if (IS_ERR(mailbox))
2983 return PTR_ERR(mailbox);
2984 context = mailbox->buf;
2985
2986 context->v_ignore_fcs |= SET_PORT_GEN_PHV_VALID;
2987 if (phv_bit)
2988 context->phv_en |= SET_PORT_GEN_PHV_EN;
2989
2990 in_mod = MLX4_SET_PORT_GENERAL << 8 | port;
2991 err = mlx4_cmd(dev, mailbox->dma, in_mod, MLX4_SET_PORT_ETH_OPCODE,
2992 MLX4_CMD_SET_PORT, MLX4_CMD_TIME_CLASS_B,
2993 MLX4_CMD_NATIVE);
2994
2995 mlx4_free_cmd_mailbox(dev, mailbox);
2996 return err;
2997 }
2998
2999 int get_phv_bit(struct mlx4_dev *dev, u8 port, int *phv)
3000 {
3001 int err;
3002 struct mlx4_func_cap func_cap;
3003
3004 memset(&func_cap, 0, sizeof(func_cap));
3005 err = mlx4_QUERY_FUNC_CAP(dev, port, &func_cap);
3006 if (!err)
3007 *phv = func_cap.flags0 & QUERY_FUNC_CAP_PHV_BIT;
3008 return err;
3009 }
3010 EXPORT_SYMBOL(get_phv_bit);
3011
3012 int set_phv_bit(struct mlx4_dev *dev, u8 port, int new_val)
3013 {
3014 int ret;
3015
3016 if (mlx4_is_slave(dev))
3017 return -EPERM;
3018
3019 if (dev->caps.flags2 & MLX4_DEV_CAP_FLAG2_PHV_EN &&
3020 !(dev->caps.flags2 & MLX4_DEV_CAP_FLAG2_SKIP_OUTER_VLAN)) {
3021 ret = mlx4_SET_PORT_phv_bit(dev, port, new_val);
3022 if (!ret)
3023 dev->caps.phv_bit[port] = new_val;
3024 return ret;
3025 }
3026
3027 return -EOPNOTSUPP;
3028 }
3029 EXPORT_SYMBOL(set_phv_bit);
3030
3031 int mlx4_get_is_vlan_offload_disabled(struct mlx4_dev *dev, u8 port,
3032 bool *vlan_offload_disabled)
3033 {
3034 struct mlx4_func_cap func_cap;
3035 int err;
3036
3037 memset(&func_cap, 0, sizeof(func_cap));
3038 err = mlx4_QUERY_FUNC_CAP(dev, port, &func_cap);
3039 if (!err)
3040 *vlan_offload_disabled =
3041 !!(func_cap.flags0 &
3042 QUERY_FUNC_CAP_VLAN_OFFLOAD_DISABLE);
3043 return err;
3044 }
3045 EXPORT_SYMBOL(mlx4_get_is_vlan_offload_disabled);
3046
3047 void mlx4_replace_zero_macs(struct mlx4_dev *dev)
3048 {
3049 int i;
3050 u8 mac_addr[ETH_ALEN];
3051
3052 dev->port_random_macs = 0;
3053 for (i = 1; i <= dev->caps.num_ports; ++i)
3054 if (!dev->caps.def_mac[i] &&
3055 dev->caps.port_type[i] == MLX4_PORT_TYPE_ETH) {
3056 eth_random_addr(mac_addr);
3057 dev->port_random_macs |= 1 << i;
3058 dev->caps.def_mac[i] = mlx4_mac_to_u64(mac_addr);
3059 }
3060 }
3061 EXPORT_SYMBOL_GPL(mlx4_replace_zero_macs);
Linux with added FPC-III support