2 * Copyright (c) 2004, 2005 Topspin Communications. All rights reserved.
3 * Copyright (c) 2005, 2006, 2007, 2008 Mellanox Technologies. All rights reserved.
4 * Copyright (c) 2005, 2006, 2007 Cisco Systems, Inc. All rights reserved.
6 * This software is available to you under a choice of one of two
7 * licenses. You may choose to be licensed under the terms of the GNU
8 * General Public License (GPL) Version 2, available from the file
9 * COPYING in the main directory of this source tree, or the
10 * OpenIB.org BSD license below:
12 * Redistribution and use in source and binary forms, with or
13 * without modification, are permitted provided that the following
16 * - Redistributions of source code must retain the above
17 * copyright notice, this list of conditions and the following
20 * - Redistributions in binary form must reproduce the above
21 * copyright notice, this list of conditions and the following
22 * disclaimer in the documentation and/or other materials
23 * provided with the distribution.
25 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
26 * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
27 * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
28 * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS
29 * BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN
30 * ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
31 * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
35 #include <linux/etherdevice.h>
36 #include <linux/mlx4/cmd.h>
37 #include <linux/module.h>
38 #include <linux/cache.h>
44 MLX4_COMMAND_INTERFACE_MIN_REV
= 2,
45 MLX4_COMMAND_INTERFACE_MAX_REV
= 3,
46 MLX4_COMMAND_INTERFACE_NEW_PORT_CMDS
= 3,
49 extern void __buggy_use_of_MLX4_GET(void);
50 extern void __buggy_use_of_MLX4_PUT(void);
52 static bool enable_qos
;
53 module_param(enable_qos
, bool, 0444);
54 MODULE_PARM_DESC(enable_qos
, "Enable Quality of Service support in the HCA (default: off)");
56 #define MLX4_GET(dest, source, offset) \
58 void *__p = (char *) (source) + (offset); \
59 switch (sizeof (dest)) { \
60 case 1: (dest) = *(u8 *) __p; break; \
61 case 2: (dest) = be16_to_cpup(__p); break; \
62 case 4: (dest) = be32_to_cpup(__p); break; \
63 case 8: (dest) = be64_to_cpup(__p); break; \
64 default: __buggy_use_of_MLX4_GET(); \
68 #define MLX4_PUT(dest, source, offset) \
70 void *__d = ((char *) (dest) + (offset)); \
71 switch (sizeof(source)) { \
72 case 1: *(u8 *) __d = (source); break; \
73 case 2: *(__be16 *) __d = cpu_to_be16(source); break; \
74 case 4: *(__be32 *) __d = cpu_to_be32(source); break; \
75 case 8: *(__be64 *) __d = cpu_to_be64(source); break; \
76 default: __buggy_use_of_MLX4_PUT(); \
80 static void dump_dev_cap_flags(struct mlx4_dev
*dev
, u64 flags
)
82 static const char *fname
[] = {
83 [ 0] = "RC transport",
84 [ 1] = "UC transport",
85 [ 2] = "UD transport",
86 [ 3] = "XRC transport",
87 [ 4] = "reliable multicast",
88 [ 5] = "FCoIB support",
90 [ 7] = "IPoIB checksum offload",
91 [ 8] = "P_Key violation counter",
92 [ 9] = "Q_Key violation counter",
94 [12] = "Dual Port Different Protocol (DPDP) support",
95 [15] = "Big LSO headers",
98 [18] = "Atomic ops support",
99 [19] = "Raw multicast support",
100 [20] = "Address vector port checking support",
101 [21] = "UD multicast support",
102 [24] = "Demand paging support",
103 [25] = "Router support",
104 [30] = "IBoE support",
105 [32] = "Unicast loopback support",
106 [34] = "FCS header control",
107 [38] = "Wake On LAN support",
108 [40] = "UDP RSS support",
109 [41] = "Unicast VEP steering support",
110 [42] = "Multicast VEP steering support",
111 [48] = "Counters support",
112 [53] = "Port ETS Scheduler support",
113 [55] = "Port link type sensing support",
114 [59] = "Port management change event support",
115 [61] = "64 byte EQE support",
116 [62] = "64 byte CQE support",
120 mlx4_dbg(dev
, "DEV_CAP flags:\n");
121 for (i
= 0; i
< ARRAY_SIZE(fname
); ++i
)
122 if (fname
[i
] && (flags
& (1LL << i
)))
123 mlx4_dbg(dev
, " %s\n", fname
[i
]);
126 static void dump_dev_cap_flags2(struct mlx4_dev
*dev
, u64 flags
)
128 static const char * const fname
[] = {
130 [1] = "RSS Toeplitz Hash Function support",
131 [2] = "RSS XOR Hash Function support",
132 [3] = "Device manage flow steering support",
133 [4] = "Automatic MAC reassignment support",
134 [5] = "Time stamping support",
135 [6] = "VST (control vlan insertion/stripping) support",
136 [7] = "FSM (MAC anti-spoofing) support",
137 [8] = "Dynamic QP updates support"
141 for (i
= 0; i
< ARRAY_SIZE(fname
); ++i
)
142 if (fname
[i
] && (flags
& (1LL << i
)))
143 mlx4_dbg(dev
, " %s\n", fname
[i
]);
146 int mlx4_MOD_STAT_CFG(struct mlx4_dev
*dev
, struct mlx4_mod_stat_cfg
*cfg
)
148 struct mlx4_cmd_mailbox
*mailbox
;
152 #define MOD_STAT_CFG_IN_SIZE 0x100
154 #define MOD_STAT_CFG_PG_SZ_M_OFFSET 0x002
155 #define MOD_STAT_CFG_PG_SZ_OFFSET 0x003
157 mailbox
= mlx4_alloc_cmd_mailbox(dev
);
159 return PTR_ERR(mailbox
);
160 inbox
= mailbox
->buf
;
162 MLX4_PUT(inbox
, cfg
->log_pg_sz
, MOD_STAT_CFG_PG_SZ_OFFSET
);
163 MLX4_PUT(inbox
, cfg
->log_pg_sz_m
, MOD_STAT_CFG_PG_SZ_M_OFFSET
);
165 err
= mlx4_cmd(dev
, mailbox
->dma
, 0, 0, MLX4_CMD_MOD_STAT_CFG
,
166 MLX4_CMD_TIME_CLASS_A
, MLX4_CMD_NATIVE
);
168 mlx4_free_cmd_mailbox(dev
, mailbox
);
172 int mlx4_QUERY_FUNC_CAP_wrapper(struct mlx4_dev
*dev
, int slave
,
173 struct mlx4_vhcr
*vhcr
,
174 struct mlx4_cmd_mailbox
*inbox
,
175 struct mlx4_cmd_mailbox
*outbox
,
176 struct mlx4_cmd_info
*cmd
)
178 struct mlx4_priv
*priv
= mlx4_priv(dev
);
183 #define QUERY_FUNC_CAP_FLAGS_OFFSET 0x0
184 #define QUERY_FUNC_CAP_NUM_PORTS_OFFSET 0x1
185 #define QUERY_FUNC_CAP_PF_BHVR_OFFSET 0x4
186 #define QUERY_FUNC_CAP_FMR_OFFSET 0x8
187 #define QUERY_FUNC_CAP_QP_QUOTA_OFFSET_DEP 0x10
188 #define QUERY_FUNC_CAP_CQ_QUOTA_OFFSET_DEP 0x14
189 #define QUERY_FUNC_CAP_SRQ_QUOTA_OFFSET_DEP 0x18
190 #define QUERY_FUNC_CAP_MPT_QUOTA_OFFSET_DEP 0x20
191 #define QUERY_FUNC_CAP_MTT_QUOTA_OFFSET_DEP 0x24
192 #define QUERY_FUNC_CAP_MCG_QUOTA_OFFSET_DEP 0x28
193 #define QUERY_FUNC_CAP_MAX_EQ_OFFSET 0x2c
194 #define QUERY_FUNC_CAP_RESERVED_EQ_OFFSET 0x30
196 #define QUERY_FUNC_CAP_QP_QUOTA_OFFSET 0x50
197 #define QUERY_FUNC_CAP_CQ_QUOTA_OFFSET 0x54
198 #define QUERY_FUNC_CAP_SRQ_QUOTA_OFFSET 0x58
199 #define QUERY_FUNC_CAP_MPT_QUOTA_OFFSET 0x60
200 #define QUERY_FUNC_CAP_MTT_QUOTA_OFFSET 0x64
201 #define QUERY_FUNC_CAP_MCG_QUOTA_OFFSET 0x68
203 #define QUERY_FUNC_CAP_FMR_FLAG 0x80
204 #define QUERY_FUNC_CAP_FLAG_RDMA 0x40
205 #define QUERY_FUNC_CAP_FLAG_ETH 0x80
206 #define QUERY_FUNC_CAP_FLAG_QUOTAS 0x10
208 /* when opcode modifier = 1 */
209 #define QUERY_FUNC_CAP_PHYS_PORT_OFFSET 0x3
210 #define QUERY_FUNC_CAP_RDMA_PROPS_OFFSET 0x8
211 #define QUERY_FUNC_CAP_ETH_PROPS_OFFSET 0xc
213 #define QUERY_FUNC_CAP_QP0_TUNNEL 0x10
214 #define QUERY_FUNC_CAP_QP0_PROXY 0x14
215 #define QUERY_FUNC_CAP_QP1_TUNNEL 0x18
216 #define QUERY_FUNC_CAP_QP1_PROXY 0x1c
218 #define QUERY_FUNC_CAP_ETH_PROPS_FORCE_MAC 0x40
219 #define QUERY_FUNC_CAP_ETH_PROPS_FORCE_VLAN 0x80
221 #define QUERY_FUNC_CAP_RDMA_PROPS_FORCE_PHY_WQE_GID 0x80
223 if (vhcr
->op_modifier
== 1) {
225 /* ensure force vlan and force mac bits are not set */
226 MLX4_PUT(outbox
->buf
, field
, QUERY_FUNC_CAP_ETH_PROPS_OFFSET
);
227 /* ensure that phy_wqe_gid bit is not set */
228 MLX4_PUT(outbox
->buf
, field
, QUERY_FUNC_CAP_RDMA_PROPS_OFFSET
);
230 field
= vhcr
->in_modifier
; /* phys-port = logical-port */
231 MLX4_PUT(outbox
->buf
, field
, QUERY_FUNC_CAP_PHYS_PORT_OFFSET
);
233 /* size is now the QP number */
234 size
= dev
->phys_caps
.base_tunnel_sqpn
+ 8 * slave
+ field
- 1;
235 MLX4_PUT(outbox
->buf
, size
, QUERY_FUNC_CAP_QP0_TUNNEL
);
238 MLX4_PUT(outbox
->buf
, size
, QUERY_FUNC_CAP_QP1_TUNNEL
);
240 size
= dev
->phys_caps
.base_proxy_sqpn
+ 8 * slave
+ field
- 1;
241 MLX4_PUT(outbox
->buf
, size
, QUERY_FUNC_CAP_QP0_PROXY
);
244 MLX4_PUT(outbox
->buf
, size
, QUERY_FUNC_CAP_QP1_PROXY
);
246 } else if (vhcr
->op_modifier
== 0) {
247 /* enable rdma and ethernet interfaces, and new quota locations */
248 field
= (QUERY_FUNC_CAP_FLAG_ETH
| QUERY_FUNC_CAP_FLAG_RDMA
|
249 QUERY_FUNC_CAP_FLAG_QUOTAS
);
250 MLX4_PUT(outbox
->buf
, field
, QUERY_FUNC_CAP_FLAGS_OFFSET
);
252 field
= dev
->caps
.num_ports
;
253 MLX4_PUT(outbox
->buf
, field
, QUERY_FUNC_CAP_NUM_PORTS_OFFSET
);
255 size
= dev
->caps
.function_caps
; /* set PF behaviours */
256 MLX4_PUT(outbox
->buf
, size
, QUERY_FUNC_CAP_PF_BHVR_OFFSET
);
258 field
= 0; /* protected FMR support not available as yet */
259 MLX4_PUT(outbox
->buf
, field
, QUERY_FUNC_CAP_FMR_OFFSET
);
261 size
= priv
->mfunc
.master
.res_tracker
.res_alloc
[RES_QP
].quota
[slave
];
262 MLX4_PUT(outbox
->buf
, size
, QUERY_FUNC_CAP_QP_QUOTA_OFFSET
);
263 size
= dev
->caps
.num_qps
;
264 MLX4_PUT(outbox
->buf
, size
, QUERY_FUNC_CAP_QP_QUOTA_OFFSET_DEP
);
266 size
= priv
->mfunc
.master
.res_tracker
.res_alloc
[RES_SRQ
].quota
[slave
];
267 MLX4_PUT(outbox
->buf
, size
, QUERY_FUNC_CAP_SRQ_QUOTA_OFFSET
);
268 size
= dev
->caps
.num_srqs
;
269 MLX4_PUT(outbox
->buf
, size
, QUERY_FUNC_CAP_SRQ_QUOTA_OFFSET_DEP
);
271 size
= priv
->mfunc
.master
.res_tracker
.res_alloc
[RES_CQ
].quota
[slave
];
272 MLX4_PUT(outbox
->buf
, size
, QUERY_FUNC_CAP_CQ_QUOTA_OFFSET
);
273 size
= dev
->caps
.num_cqs
;
274 MLX4_PUT(outbox
->buf
, size
, QUERY_FUNC_CAP_CQ_QUOTA_OFFSET_DEP
);
276 size
= dev
->caps
.num_eqs
;
277 MLX4_PUT(outbox
->buf
, size
, QUERY_FUNC_CAP_MAX_EQ_OFFSET
);
279 size
= dev
->caps
.reserved_eqs
;
280 MLX4_PUT(outbox
->buf
, size
, QUERY_FUNC_CAP_RESERVED_EQ_OFFSET
);
282 size
= priv
->mfunc
.master
.res_tracker
.res_alloc
[RES_MPT
].quota
[slave
];
283 MLX4_PUT(outbox
->buf
, size
, QUERY_FUNC_CAP_MPT_QUOTA_OFFSET
);
284 size
= dev
->caps
.num_mpts
;
285 MLX4_PUT(outbox
->buf
, size
, QUERY_FUNC_CAP_MPT_QUOTA_OFFSET_DEP
);
287 size
= priv
->mfunc
.master
.res_tracker
.res_alloc
[RES_MTT
].quota
[slave
];
288 MLX4_PUT(outbox
->buf
, size
, QUERY_FUNC_CAP_MTT_QUOTA_OFFSET
);
289 size
= dev
->caps
.num_mtts
;
290 MLX4_PUT(outbox
->buf
, size
, QUERY_FUNC_CAP_MTT_QUOTA_OFFSET_DEP
);
292 size
= dev
->caps
.num_mgms
+ dev
->caps
.num_amgms
;
293 MLX4_PUT(outbox
->buf
, size
, QUERY_FUNC_CAP_MCG_QUOTA_OFFSET
);
294 MLX4_PUT(outbox
->buf
, size
, QUERY_FUNC_CAP_MCG_QUOTA_OFFSET_DEP
);
302 int mlx4_QUERY_FUNC_CAP(struct mlx4_dev
*dev
, u32 gen_or_port
,
303 struct mlx4_func_cap
*func_cap
)
305 struct mlx4_cmd_mailbox
*mailbox
;
307 u8 field
, op_modifier
;
309 int err
= 0, quotas
= 0;
311 op_modifier
= !!gen_or_port
; /* 0 = general, 1 = logical port */
313 mailbox
= mlx4_alloc_cmd_mailbox(dev
);
315 return PTR_ERR(mailbox
);
317 err
= mlx4_cmd_box(dev
, 0, mailbox
->dma
, gen_or_port
, op_modifier
,
318 MLX4_CMD_QUERY_FUNC_CAP
,
319 MLX4_CMD_TIME_CLASS_A
, MLX4_CMD_WRAPPED
);
323 outbox
= mailbox
->buf
;
326 MLX4_GET(field
, outbox
, QUERY_FUNC_CAP_FLAGS_OFFSET
);
327 if (!(field
& (QUERY_FUNC_CAP_FLAG_ETH
| QUERY_FUNC_CAP_FLAG_RDMA
))) {
328 mlx4_err(dev
, "The host supports neither eth nor rdma interfaces\n");
329 err
= -EPROTONOSUPPORT
;
332 func_cap
->flags
= field
;
333 quotas
= !!(func_cap
->flags
& QUERY_FUNC_CAP_FLAG_QUOTAS
);
335 MLX4_GET(field
, outbox
, QUERY_FUNC_CAP_NUM_PORTS_OFFSET
);
336 func_cap
->num_ports
= field
;
338 MLX4_GET(size
, outbox
, QUERY_FUNC_CAP_PF_BHVR_OFFSET
);
339 func_cap
->pf_context_behaviour
= size
;
342 MLX4_GET(size
, outbox
, QUERY_FUNC_CAP_QP_QUOTA_OFFSET
);
343 func_cap
->qp_quota
= size
& 0xFFFFFF;
345 MLX4_GET(size
, outbox
, QUERY_FUNC_CAP_SRQ_QUOTA_OFFSET
);
346 func_cap
->srq_quota
= size
& 0xFFFFFF;
348 MLX4_GET(size
, outbox
, QUERY_FUNC_CAP_CQ_QUOTA_OFFSET
);
349 func_cap
->cq_quota
= size
& 0xFFFFFF;
351 MLX4_GET(size
, outbox
, QUERY_FUNC_CAP_MPT_QUOTA_OFFSET
);
352 func_cap
->mpt_quota
= size
& 0xFFFFFF;
354 MLX4_GET(size
, outbox
, QUERY_FUNC_CAP_MTT_QUOTA_OFFSET
);
355 func_cap
->mtt_quota
= size
& 0xFFFFFF;
357 MLX4_GET(size
, outbox
, QUERY_FUNC_CAP_MCG_QUOTA_OFFSET
);
358 func_cap
->mcg_quota
= size
& 0xFFFFFF;
361 MLX4_GET(size
, outbox
, QUERY_FUNC_CAP_QP_QUOTA_OFFSET_DEP
);
362 func_cap
->qp_quota
= size
& 0xFFFFFF;
364 MLX4_GET(size
, outbox
, QUERY_FUNC_CAP_SRQ_QUOTA_OFFSET_DEP
);
365 func_cap
->srq_quota
= size
& 0xFFFFFF;
367 MLX4_GET(size
, outbox
, QUERY_FUNC_CAP_CQ_QUOTA_OFFSET_DEP
);
368 func_cap
->cq_quota
= size
& 0xFFFFFF;
370 MLX4_GET(size
, outbox
, QUERY_FUNC_CAP_MPT_QUOTA_OFFSET_DEP
);
371 func_cap
->mpt_quota
= size
& 0xFFFFFF;
373 MLX4_GET(size
, outbox
, QUERY_FUNC_CAP_MTT_QUOTA_OFFSET_DEP
);
374 func_cap
->mtt_quota
= size
& 0xFFFFFF;
376 MLX4_GET(size
, outbox
, QUERY_FUNC_CAP_MCG_QUOTA_OFFSET_DEP
);
377 func_cap
->mcg_quota
= size
& 0xFFFFFF;
379 MLX4_GET(size
, outbox
, QUERY_FUNC_CAP_MAX_EQ_OFFSET
);
380 func_cap
->max_eq
= size
& 0xFFFFFF;
382 MLX4_GET(size
, outbox
, QUERY_FUNC_CAP_RESERVED_EQ_OFFSET
);
383 func_cap
->reserved_eq
= size
& 0xFFFFFF;
388 /* logical port query */
389 if (gen_or_port
> dev
->caps
.num_ports
) {
394 if (dev
->caps
.port_type
[gen_or_port
] == MLX4_PORT_TYPE_ETH
) {
395 MLX4_GET(field
, outbox
, QUERY_FUNC_CAP_ETH_PROPS_OFFSET
);
396 if (field
& QUERY_FUNC_CAP_ETH_PROPS_FORCE_VLAN
) {
397 mlx4_err(dev
, "VLAN is enforced on this port\n");
398 err
= -EPROTONOSUPPORT
;
402 if (field
& QUERY_FUNC_CAP_ETH_PROPS_FORCE_MAC
) {
403 mlx4_err(dev
, "Force mac is enabled on this port\n");
404 err
= -EPROTONOSUPPORT
;
407 } else if (dev
->caps
.port_type
[gen_or_port
] == MLX4_PORT_TYPE_IB
) {
408 MLX4_GET(field
, outbox
, QUERY_FUNC_CAP_RDMA_PROPS_OFFSET
);
409 if (field
& QUERY_FUNC_CAP_RDMA_PROPS_FORCE_PHY_WQE_GID
) {
410 mlx4_err(dev
, "phy_wqe_gid is "
411 "enforced on this ib port\n");
412 err
= -EPROTONOSUPPORT
;
417 MLX4_GET(field
, outbox
, QUERY_FUNC_CAP_PHYS_PORT_OFFSET
);
418 func_cap
->physical_port
= field
;
419 if (func_cap
->physical_port
!= gen_or_port
) {
424 MLX4_GET(size
, outbox
, QUERY_FUNC_CAP_QP0_TUNNEL
);
425 func_cap
->qp0_tunnel_qpn
= size
& 0xFFFFFF;
427 MLX4_GET(size
, outbox
, QUERY_FUNC_CAP_QP0_PROXY
);
428 func_cap
->qp0_proxy_qpn
= size
& 0xFFFFFF;
430 MLX4_GET(size
, outbox
, QUERY_FUNC_CAP_QP1_TUNNEL
);
431 func_cap
->qp1_tunnel_qpn
= size
& 0xFFFFFF;
433 MLX4_GET(size
, outbox
, QUERY_FUNC_CAP_QP1_PROXY
);
434 func_cap
->qp1_proxy_qpn
= size
& 0xFFFFFF;
436 /* All other resources are allocated by the master, but we still report
437 * 'num' and 'reserved' capabilities as follows:
438 * - num remains the maximum resource index
439 * - 'num - reserved' is the total available objects of a resource, but
440 * resource indices may be less than 'reserved'
441 * TODO: set per-resource quotas */
444 mlx4_free_cmd_mailbox(dev
, mailbox
);
449 int mlx4_QUERY_DEV_CAP(struct mlx4_dev
*dev
, struct mlx4_dev_cap
*dev_cap
)
451 struct mlx4_cmd_mailbox
*mailbox
;
454 u32 field32
, flags
, ext_flags
;
460 #define QUERY_DEV_CAP_OUT_SIZE 0x100
461 #define QUERY_DEV_CAP_MAX_SRQ_SZ_OFFSET 0x10
462 #define QUERY_DEV_CAP_MAX_QP_SZ_OFFSET 0x11
463 #define QUERY_DEV_CAP_RSVD_QP_OFFSET 0x12
464 #define QUERY_DEV_CAP_MAX_QP_OFFSET 0x13
465 #define QUERY_DEV_CAP_RSVD_SRQ_OFFSET 0x14
466 #define QUERY_DEV_CAP_MAX_SRQ_OFFSET 0x15
467 #define QUERY_DEV_CAP_RSVD_EEC_OFFSET 0x16
468 #define QUERY_DEV_CAP_MAX_EEC_OFFSET 0x17
469 #define QUERY_DEV_CAP_MAX_CQ_SZ_OFFSET 0x19
470 #define QUERY_DEV_CAP_RSVD_CQ_OFFSET 0x1a
471 #define QUERY_DEV_CAP_MAX_CQ_OFFSET 0x1b
472 #define QUERY_DEV_CAP_MAX_MPT_OFFSET 0x1d
473 #define QUERY_DEV_CAP_RSVD_EQ_OFFSET 0x1e
474 #define QUERY_DEV_CAP_MAX_EQ_OFFSET 0x1f
475 #define QUERY_DEV_CAP_RSVD_MTT_OFFSET 0x20
476 #define QUERY_DEV_CAP_MAX_MRW_SZ_OFFSET 0x21
477 #define QUERY_DEV_CAP_RSVD_MRW_OFFSET 0x22
478 #define QUERY_DEV_CAP_MAX_MTT_SEG_OFFSET 0x23
479 #define QUERY_DEV_CAP_MAX_AV_OFFSET 0x27
480 #define QUERY_DEV_CAP_MAX_REQ_QP_OFFSET 0x29
481 #define QUERY_DEV_CAP_MAX_RES_QP_OFFSET 0x2b
482 #define QUERY_DEV_CAP_MAX_GSO_OFFSET 0x2d
483 #define QUERY_DEV_CAP_RSS_OFFSET 0x2e
484 #define QUERY_DEV_CAP_MAX_RDMA_OFFSET 0x2f
485 #define QUERY_DEV_CAP_RSZ_SRQ_OFFSET 0x33
486 #define QUERY_DEV_CAP_ACK_DELAY_OFFSET 0x35
487 #define QUERY_DEV_CAP_MTU_WIDTH_OFFSET 0x36
488 #define QUERY_DEV_CAP_VL_PORT_OFFSET 0x37
489 #define QUERY_DEV_CAP_MAX_MSG_SZ_OFFSET 0x38
490 #define QUERY_DEV_CAP_MAX_GID_OFFSET 0x3b
491 #define QUERY_DEV_CAP_RATE_SUPPORT_OFFSET 0x3c
492 #define QUERY_DEV_CAP_CQ_TS_SUPPORT_OFFSET 0x3e
493 #define QUERY_DEV_CAP_MAX_PKEY_OFFSET 0x3f
494 #define QUERY_DEV_CAP_EXT_FLAGS_OFFSET 0x40
495 #define QUERY_DEV_CAP_FLAGS_OFFSET 0x44
496 #define QUERY_DEV_CAP_RSVD_UAR_OFFSET 0x48
497 #define QUERY_DEV_CAP_UAR_SZ_OFFSET 0x49
498 #define QUERY_DEV_CAP_PAGE_SZ_OFFSET 0x4b
499 #define QUERY_DEV_CAP_BF_OFFSET 0x4c
500 #define QUERY_DEV_CAP_LOG_BF_REG_SZ_OFFSET 0x4d
501 #define QUERY_DEV_CAP_LOG_MAX_BF_REGS_PER_PAGE_OFFSET 0x4e
502 #define QUERY_DEV_CAP_LOG_MAX_BF_PAGES_OFFSET 0x4f
503 #define QUERY_DEV_CAP_MAX_SG_SQ_OFFSET 0x51
504 #define QUERY_DEV_CAP_MAX_DESC_SZ_SQ_OFFSET 0x52
505 #define QUERY_DEV_CAP_MAX_SG_RQ_OFFSET 0x55
506 #define QUERY_DEV_CAP_MAX_DESC_SZ_RQ_OFFSET 0x56
507 #define QUERY_DEV_CAP_MAX_QP_MCG_OFFSET 0x61
508 #define QUERY_DEV_CAP_RSVD_MCG_OFFSET 0x62
509 #define QUERY_DEV_CAP_MAX_MCG_OFFSET 0x63
510 #define QUERY_DEV_CAP_RSVD_PD_OFFSET 0x64
511 #define QUERY_DEV_CAP_MAX_PD_OFFSET 0x65
512 #define QUERY_DEV_CAP_RSVD_XRC_OFFSET 0x66
513 #define QUERY_DEV_CAP_MAX_XRC_OFFSET 0x67
514 #define QUERY_DEV_CAP_MAX_COUNTERS_OFFSET 0x68
515 #define QUERY_DEV_CAP_EXT_2_FLAGS_OFFSET 0x70
516 #define QUERY_DEV_CAP_FLOW_STEERING_RANGE_EN_OFFSET 0x76
517 #define QUERY_DEV_CAP_FLOW_STEERING_MAX_QP_OFFSET 0x77
518 #define QUERY_DEV_CAP_RDMARC_ENTRY_SZ_OFFSET 0x80
519 #define QUERY_DEV_CAP_QPC_ENTRY_SZ_OFFSET 0x82
520 #define QUERY_DEV_CAP_AUX_ENTRY_SZ_OFFSET 0x84
521 #define QUERY_DEV_CAP_ALTC_ENTRY_SZ_OFFSET 0x86
522 #define QUERY_DEV_CAP_EQC_ENTRY_SZ_OFFSET 0x88
523 #define QUERY_DEV_CAP_CQC_ENTRY_SZ_OFFSET 0x8a
524 #define QUERY_DEV_CAP_SRQ_ENTRY_SZ_OFFSET 0x8c
525 #define QUERY_DEV_CAP_C_MPT_ENTRY_SZ_OFFSET 0x8e
526 #define QUERY_DEV_CAP_MTT_ENTRY_SZ_OFFSET 0x90
527 #define QUERY_DEV_CAP_D_MPT_ENTRY_SZ_OFFSET 0x92
528 #define QUERY_DEV_CAP_BMME_FLAGS_OFFSET 0x94
529 #define QUERY_DEV_CAP_RSVD_LKEY_OFFSET 0x98
530 #define QUERY_DEV_CAP_MAX_ICM_SZ_OFFSET 0xa0
531 #define QUERY_DEV_CAP_FW_REASSIGN_MAC 0x9d
534 mailbox
= mlx4_alloc_cmd_mailbox(dev
);
536 return PTR_ERR(mailbox
);
537 outbox
= mailbox
->buf
;
539 err
= mlx4_cmd_box(dev
, 0, mailbox
->dma
, 0, 0, MLX4_CMD_QUERY_DEV_CAP
,
540 MLX4_CMD_TIME_CLASS_A
, MLX4_CMD_NATIVE
);
544 MLX4_GET(field
, outbox
, QUERY_DEV_CAP_RSVD_QP_OFFSET
);
545 dev_cap
->reserved_qps
= 1 << (field
& 0xf);
546 MLX4_GET(field
, outbox
, QUERY_DEV_CAP_MAX_QP_OFFSET
);
547 dev_cap
->max_qps
= 1 << (field
& 0x1f);
548 MLX4_GET(field
, outbox
, QUERY_DEV_CAP_RSVD_SRQ_OFFSET
);
549 dev_cap
->reserved_srqs
= 1 << (field
>> 4);
550 MLX4_GET(field
, outbox
, QUERY_DEV_CAP_MAX_SRQ_OFFSET
);
551 dev_cap
->max_srqs
= 1 << (field
& 0x1f);
552 MLX4_GET(field
, outbox
, QUERY_DEV_CAP_MAX_CQ_SZ_OFFSET
);
553 dev_cap
->max_cq_sz
= 1 << field
;
554 MLX4_GET(field
, outbox
, QUERY_DEV_CAP_RSVD_CQ_OFFSET
);
555 dev_cap
->reserved_cqs
= 1 << (field
& 0xf);
556 MLX4_GET(field
, outbox
, QUERY_DEV_CAP_MAX_CQ_OFFSET
);
557 dev_cap
->max_cqs
= 1 << (field
& 0x1f);
558 MLX4_GET(field
, outbox
, QUERY_DEV_CAP_MAX_MPT_OFFSET
);
559 dev_cap
->max_mpts
= 1 << (field
& 0x3f);
560 MLX4_GET(field
, outbox
, QUERY_DEV_CAP_RSVD_EQ_OFFSET
);
561 dev_cap
->reserved_eqs
= field
& 0xf;
562 MLX4_GET(field
, outbox
, QUERY_DEV_CAP_MAX_EQ_OFFSET
);
563 dev_cap
->max_eqs
= 1 << (field
& 0xf);
564 MLX4_GET(field
, outbox
, QUERY_DEV_CAP_RSVD_MTT_OFFSET
);
565 dev_cap
->reserved_mtts
= 1 << (field
>> 4);
566 MLX4_GET(field
, outbox
, QUERY_DEV_CAP_MAX_MRW_SZ_OFFSET
);
567 dev_cap
->max_mrw_sz
= 1 << field
;
568 MLX4_GET(field
, outbox
, QUERY_DEV_CAP_RSVD_MRW_OFFSET
);
569 dev_cap
->reserved_mrws
= 1 << (field
& 0xf);
570 MLX4_GET(field
, outbox
, QUERY_DEV_CAP_MAX_MTT_SEG_OFFSET
);
571 dev_cap
->max_mtt_seg
= 1 << (field
& 0x3f);
572 MLX4_GET(field
, outbox
, QUERY_DEV_CAP_MAX_REQ_QP_OFFSET
);
573 dev_cap
->max_requester_per_qp
= 1 << (field
& 0x3f);
574 MLX4_GET(field
, outbox
, QUERY_DEV_CAP_MAX_RES_QP_OFFSET
);
575 dev_cap
->max_responder_per_qp
= 1 << (field
& 0x3f);
576 MLX4_GET(field
, outbox
, QUERY_DEV_CAP_MAX_GSO_OFFSET
);
579 dev_cap
->max_gso_sz
= 0;
581 dev_cap
->max_gso_sz
= 1 << field
;
583 MLX4_GET(field
, outbox
, QUERY_DEV_CAP_RSS_OFFSET
);
585 dev_cap
->flags2
|= MLX4_DEV_CAP_FLAG2_RSS_XOR
;
587 dev_cap
->flags2
|= MLX4_DEV_CAP_FLAG2_RSS_TOP
;
590 dev_cap
->flags2
|= MLX4_DEV_CAP_FLAG2_RSS
;
591 dev_cap
->max_rss_tbl_sz
= 1 << field
;
593 dev_cap
->max_rss_tbl_sz
= 0;
594 MLX4_GET(field
, outbox
, QUERY_DEV_CAP_MAX_RDMA_OFFSET
);
595 dev_cap
->max_rdma_global
= 1 << (field
& 0x3f);
596 MLX4_GET(field
, outbox
, QUERY_DEV_CAP_ACK_DELAY_OFFSET
);
597 dev_cap
->local_ca_ack_delay
= field
& 0x1f;
598 MLX4_GET(field
, outbox
, QUERY_DEV_CAP_VL_PORT_OFFSET
);
599 dev_cap
->num_ports
= field
& 0xf;
600 MLX4_GET(field
, outbox
, QUERY_DEV_CAP_MAX_MSG_SZ_OFFSET
);
601 dev_cap
->max_msg_sz
= 1 << (field
& 0x1f);
602 MLX4_GET(field
, outbox
, QUERY_DEV_CAP_FLOW_STEERING_RANGE_EN_OFFSET
);
604 dev_cap
->flags2
|= MLX4_DEV_CAP_FLAG2_FS_EN
;
605 dev_cap
->fs_log_max_ucast_qp_range_size
= field
& 0x1f;
606 MLX4_GET(field
, outbox
, QUERY_DEV_CAP_FLOW_STEERING_MAX_QP_OFFSET
);
607 dev_cap
->fs_max_num_qp_per_entry
= field
;
608 MLX4_GET(stat_rate
, outbox
, QUERY_DEV_CAP_RATE_SUPPORT_OFFSET
);
609 dev_cap
->stat_rate_support
= stat_rate
;
610 MLX4_GET(field
, outbox
, QUERY_DEV_CAP_CQ_TS_SUPPORT_OFFSET
);
612 dev_cap
->flags2
|= MLX4_DEV_CAP_FLAG2_TS
;
613 MLX4_GET(ext_flags
, outbox
, QUERY_DEV_CAP_EXT_FLAGS_OFFSET
);
614 MLX4_GET(flags
, outbox
, QUERY_DEV_CAP_FLAGS_OFFSET
);
615 dev_cap
->flags
= flags
| (u64
)ext_flags
<< 32;
616 MLX4_GET(field
, outbox
, QUERY_DEV_CAP_RSVD_UAR_OFFSET
);
617 dev_cap
->reserved_uars
= field
>> 4;
618 MLX4_GET(field
, outbox
, QUERY_DEV_CAP_UAR_SZ_OFFSET
);
619 dev_cap
->uar_size
= 1 << ((field
& 0x3f) + 20);
620 MLX4_GET(field
, outbox
, QUERY_DEV_CAP_PAGE_SZ_OFFSET
);
621 dev_cap
->min_page_sz
= 1 << field
;
623 MLX4_GET(field
, outbox
, QUERY_DEV_CAP_BF_OFFSET
);
625 MLX4_GET(field
, outbox
, QUERY_DEV_CAP_LOG_BF_REG_SZ_OFFSET
);
626 dev_cap
->bf_reg_size
= 1 << (field
& 0x1f);
627 MLX4_GET(field
, outbox
, QUERY_DEV_CAP_LOG_MAX_BF_REGS_PER_PAGE_OFFSET
);
628 if ((1 << (field
& 0x3f)) > (PAGE_SIZE
/ dev_cap
->bf_reg_size
))
630 dev_cap
->bf_regs_per_page
= 1 << (field
& 0x3f);
631 mlx4_dbg(dev
, "BlueFlame available (reg size %d, regs/page %d)\n",
632 dev_cap
->bf_reg_size
, dev_cap
->bf_regs_per_page
);
634 dev_cap
->bf_reg_size
= 0;
635 mlx4_dbg(dev
, "BlueFlame not available\n");
638 MLX4_GET(field
, outbox
, QUERY_DEV_CAP_MAX_SG_SQ_OFFSET
);
639 dev_cap
->max_sq_sg
= field
;
640 MLX4_GET(size
, outbox
, QUERY_DEV_CAP_MAX_DESC_SZ_SQ_OFFSET
);
641 dev_cap
->max_sq_desc_sz
= size
;
643 MLX4_GET(field
, outbox
, QUERY_DEV_CAP_MAX_QP_MCG_OFFSET
);
644 dev_cap
->max_qp_per_mcg
= 1 << field
;
645 MLX4_GET(field
, outbox
, QUERY_DEV_CAP_RSVD_MCG_OFFSET
);
646 dev_cap
->reserved_mgms
= field
& 0xf;
647 MLX4_GET(field
, outbox
, QUERY_DEV_CAP_MAX_MCG_OFFSET
);
648 dev_cap
->max_mcgs
= 1 << field
;
649 MLX4_GET(field
, outbox
, QUERY_DEV_CAP_RSVD_PD_OFFSET
);
650 dev_cap
->reserved_pds
= field
>> 4;
651 MLX4_GET(field
, outbox
, QUERY_DEV_CAP_MAX_PD_OFFSET
);
652 dev_cap
->max_pds
= 1 << (field
& 0x3f);
653 MLX4_GET(field
, outbox
, QUERY_DEV_CAP_RSVD_XRC_OFFSET
);
654 dev_cap
->reserved_xrcds
= field
>> 4;
655 MLX4_GET(field
, outbox
, QUERY_DEV_CAP_MAX_XRC_OFFSET
);
656 dev_cap
->max_xrcds
= 1 << (field
& 0x1f);
658 MLX4_GET(size
, outbox
, QUERY_DEV_CAP_RDMARC_ENTRY_SZ_OFFSET
);
659 dev_cap
->rdmarc_entry_sz
= size
;
660 MLX4_GET(size
, outbox
, QUERY_DEV_CAP_QPC_ENTRY_SZ_OFFSET
);
661 dev_cap
->qpc_entry_sz
= size
;
662 MLX4_GET(size
, outbox
, QUERY_DEV_CAP_AUX_ENTRY_SZ_OFFSET
);
663 dev_cap
->aux_entry_sz
= size
;
664 MLX4_GET(size
, outbox
, QUERY_DEV_CAP_ALTC_ENTRY_SZ_OFFSET
);
665 dev_cap
->altc_entry_sz
= size
;
666 MLX4_GET(size
, outbox
, QUERY_DEV_CAP_EQC_ENTRY_SZ_OFFSET
);
667 dev_cap
->eqc_entry_sz
= size
;
668 MLX4_GET(size
, outbox
, QUERY_DEV_CAP_CQC_ENTRY_SZ_OFFSET
);
669 dev_cap
->cqc_entry_sz
= size
;
670 MLX4_GET(size
, outbox
, QUERY_DEV_CAP_SRQ_ENTRY_SZ_OFFSET
);
671 dev_cap
->srq_entry_sz
= size
;
672 MLX4_GET(size
, outbox
, QUERY_DEV_CAP_C_MPT_ENTRY_SZ_OFFSET
);
673 dev_cap
->cmpt_entry_sz
= size
;
674 MLX4_GET(size
, outbox
, QUERY_DEV_CAP_MTT_ENTRY_SZ_OFFSET
);
675 dev_cap
->mtt_entry_sz
= size
;
676 MLX4_GET(size
, outbox
, QUERY_DEV_CAP_D_MPT_ENTRY_SZ_OFFSET
);
677 dev_cap
->dmpt_entry_sz
= size
;
679 MLX4_GET(field
, outbox
, QUERY_DEV_CAP_MAX_SRQ_SZ_OFFSET
);
680 dev_cap
->max_srq_sz
= 1 << field
;
681 MLX4_GET(field
, outbox
, QUERY_DEV_CAP_MAX_QP_SZ_OFFSET
);
682 dev_cap
->max_qp_sz
= 1 << field
;
683 MLX4_GET(field
, outbox
, QUERY_DEV_CAP_RSZ_SRQ_OFFSET
);
684 dev_cap
->resize_srq
= field
& 1;
685 MLX4_GET(field
, outbox
, QUERY_DEV_CAP_MAX_SG_RQ_OFFSET
);
686 dev_cap
->max_rq_sg
= field
;
687 MLX4_GET(size
, outbox
, QUERY_DEV_CAP_MAX_DESC_SZ_RQ_OFFSET
);
688 dev_cap
->max_rq_desc_sz
= size
;
690 MLX4_GET(dev_cap
->bmme_flags
, outbox
,
691 QUERY_DEV_CAP_BMME_FLAGS_OFFSET
);
692 MLX4_GET(dev_cap
->reserved_lkey
, outbox
,
693 QUERY_DEV_CAP_RSVD_LKEY_OFFSET
);
694 MLX4_GET(field
, outbox
, QUERY_DEV_CAP_FW_REASSIGN_MAC
);
696 dev_cap
->flags2
|= MLX4_DEV_CAP_FLAG2_REASSIGN_MAC_EN
;
697 MLX4_GET(dev_cap
->max_icm_sz
, outbox
,
698 QUERY_DEV_CAP_MAX_ICM_SZ_OFFSET
);
699 if (dev_cap
->flags
& MLX4_DEV_CAP_FLAG_COUNTERS
)
700 MLX4_GET(dev_cap
->max_counters
, outbox
,
701 QUERY_DEV_CAP_MAX_COUNTERS_OFFSET
);
703 MLX4_GET(field32
, outbox
, QUERY_DEV_CAP_EXT_2_FLAGS_OFFSET
);
704 if (field32
& (1 << 16))
705 dev_cap
->flags2
|= MLX4_DEV_CAP_FLAG2_UPDATE_QP
;
706 if (field32
& (1 << 26))
707 dev_cap
->flags2
|= MLX4_DEV_CAP_FLAG2_VLAN_CONTROL
;
708 if (field32
& (1 << 20))
709 dev_cap
->flags2
|= MLX4_DEV_CAP_FLAG2_FSM
;
711 if (dev
->flags
& MLX4_FLAG_OLD_PORT_CMDS
) {
712 for (i
= 1; i
<= dev_cap
->num_ports
; ++i
) {
713 MLX4_GET(field
, outbox
, QUERY_DEV_CAP_VL_PORT_OFFSET
);
714 dev_cap
->max_vl
[i
] = field
>> 4;
715 MLX4_GET(field
, outbox
, QUERY_DEV_CAP_MTU_WIDTH_OFFSET
);
716 dev_cap
->ib_mtu
[i
] = field
>> 4;
717 dev_cap
->max_port_width
[i
] = field
& 0xf;
718 MLX4_GET(field
, outbox
, QUERY_DEV_CAP_MAX_GID_OFFSET
);
719 dev_cap
->max_gids
[i
] = 1 << (field
& 0xf);
720 MLX4_GET(field
, outbox
, QUERY_DEV_CAP_MAX_PKEY_OFFSET
);
721 dev_cap
->max_pkeys
[i
] = 1 << (field
& 0xf);
724 #define QUERY_PORT_SUPPORTED_TYPE_OFFSET 0x00
725 #define QUERY_PORT_MTU_OFFSET 0x01
726 #define QUERY_PORT_ETH_MTU_OFFSET 0x02
727 #define QUERY_PORT_WIDTH_OFFSET 0x06
728 #define QUERY_PORT_MAX_GID_PKEY_OFFSET 0x07
729 #define QUERY_PORT_MAX_MACVLAN_OFFSET 0x0a
730 #define QUERY_PORT_MAX_VL_OFFSET 0x0b
731 #define QUERY_PORT_MAC_OFFSET 0x10
732 #define QUERY_PORT_TRANS_VENDOR_OFFSET 0x18
733 #define QUERY_PORT_WAVELENGTH_OFFSET 0x1c
734 #define QUERY_PORT_TRANS_CODE_OFFSET 0x20
736 for (i
= 1; i
<= dev_cap
->num_ports
; ++i
) {
737 err
= mlx4_cmd_box(dev
, 0, mailbox
->dma
, i
, 0, MLX4_CMD_QUERY_PORT
,
738 MLX4_CMD_TIME_CLASS_B
, MLX4_CMD_NATIVE
);
742 MLX4_GET(field
, outbox
, QUERY_PORT_SUPPORTED_TYPE_OFFSET
);
743 dev_cap
->supported_port_types
[i
] = field
& 3;
744 dev_cap
->suggested_type
[i
] = (field
>> 3) & 1;
745 dev_cap
->default_sense
[i
] = (field
>> 4) & 1;
746 MLX4_GET(field
, outbox
, QUERY_PORT_MTU_OFFSET
);
747 dev_cap
->ib_mtu
[i
] = field
& 0xf;
748 MLX4_GET(field
, outbox
, QUERY_PORT_WIDTH_OFFSET
);
749 dev_cap
->max_port_width
[i
] = field
& 0xf;
750 MLX4_GET(field
, outbox
, QUERY_PORT_MAX_GID_PKEY_OFFSET
);
751 dev_cap
->max_gids
[i
] = 1 << (field
>> 4);
752 dev_cap
->max_pkeys
[i
] = 1 << (field
& 0xf);
753 MLX4_GET(field
, outbox
, QUERY_PORT_MAX_VL_OFFSET
);
754 dev_cap
->max_vl
[i
] = field
& 0xf;
755 MLX4_GET(field
, outbox
, QUERY_PORT_MAX_MACVLAN_OFFSET
);
756 dev_cap
->log_max_macs
[i
] = field
& 0xf;
757 dev_cap
->log_max_vlans
[i
] = field
>> 4;
758 MLX4_GET(dev_cap
->eth_mtu
[i
], outbox
, QUERY_PORT_ETH_MTU_OFFSET
);
759 MLX4_GET(dev_cap
->def_mac
[i
], outbox
, QUERY_PORT_MAC_OFFSET
);
760 MLX4_GET(field32
, outbox
, QUERY_PORT_TRANS_VENDOR_OFFSET
);
761 dev_cap
->trans_type
[i
] = field32
>> 24;
762 dev_cap
->vendor_oui
[i
] = field32
& 0xffffff;
763 MLX4_GET(dev_cap
->wavelength
[i
], outbox
, QUERY_PORT_WAVELENGTH_OFFSET
);
764 MLX4_GET(dev_cap
->trans_code
[i
], outbox
, QUERY_PORT_TRANS_CODE_OFFSET
);
768 mlx4_dbg(dev
, "Base MM extensions: flags %08x, rsvd L_Key %08x\n",
769 dev_cap
->bmme_flags
, dev_cap
->reserved_lkey
);
772 * Each UAR has 4 EQ doorbells; so if a UAR is reserved, then
773 * we can't use any EQs whose doorbell falls on that page,
774 * even if the EQ itself isn't reserved.
776 dev_cap
->reserved_eqs
= max(dev_cap
->reserved_uars
* 4,
777 dev_cap
->reserved_eqs
);
779 mlx4_dbg(dev
, "Max ICM size %lld MB\n",
780 (unsigned long long) dev_cap
->max_icm_sz
>> 20);
781 mlx4_dbg(dev
, "Max QPs: %d, reserved QPs: %d, entry size: %d\n",
782 dev_cap
->max_qps
, dev_cap
->reserved_qps
, dev_cap
->qpc_entry_sz
);
783 mlx4_dbg(dev
, "Max SRQs: %d, reserved SRQs: %d, entry size: %d\n",
784 dev_cap
->max_srqs
, dev_cap
->reserved_srqs
, dev_cap
->srq_entry_sz
);
785 mlx4_dbg(dev
, "Max CQs: %d, reserved CQs: %d, entry size: %d\n",
786 dev_cap
->max_cqs
, dev_cap
->reserved_cqs
, dev_cap
->cqc_entry_sz
);
787 mlx4_dbg(dev
, "Max EQs: %d, reserved EQs: %d, entry size: %d\n",
788 dev_cap
->max_eqs
, dev_cap
->reserved_eqs
, dev_cap
->eqc_entry_sz
);
789 mlx4_dbg(dev
, "reserved MPTs: %d, reserved MTTs: %d\n",
790 dev_cap
->reserved_mrws
, dev_cap
->reserved_mtts
);
791 mlx4_dbg(dev
, "Max PDs: %d, reserved PDs: %d, reserved UARs: %d\n",
792 dev_cap
->max_pds
, dev_cap
->reserved_pds
, dev_cap
->reserved_uars
);
793 mlx4_dbg(dev
, "Max QP/MCG: %d, reserved MGMs: %d\n",
794 dev_cap
->max_pds
, dev_cap
->reserved_mgms
);
795 mlx4_dbg(dev
, "Max CQEs: %d, max WQEs: %d, max SRQ WQEs: %d\n",
796 dev_cap
->max_cq_sz
, dev_cap
->max_qp_sz
, dev_cap
->max_srq_sz
);
797 mlx4_dbg(dev
, "Local CA ACK delay: %d, max MTU: %d, port width cap: %d\n",
798 dev_cap
->local_ca_ack_delay
, 128 << dev_cap
->ib_mtu
[1],
799 dev_cap
->max_port_width
[1]);
800 mlx4_dbg(dev
, "Max SQ desc size: %d, max SQ S/G: %d\n",
801 dev_cap
->max_sq_desc_sz
, dev_cap
->max_sq_sg
);
802 mlx4_dbg(dev
, "Max RQ desc size: %d, max RQ S/G: %d\n",
803 dev_cap
->max_rq_desc_sz
, dev_cap
->max_rq_sg
);
804 mlx4_dbg(dev
, "Max GSO size: %d\n", dev_cap
->max_gso_sz
);
805 mlx4_dbg(dev
, "Max counters: %d\n", dev_cap
->max_counters
);
806 mlx4_dbg(dev
, "Max RSS Table size: %d\n", dev_cap
->max_rss_tbl_sz
);
808 dump_dev_cap_flags(dev
, dev_cap
->flags
);
809 dump_dev_cap_flags2(dev
, dev_cap
->flags2
);
812 mlx4_free_cmd_mailbox(dev
, mailbox
);
816 int mlx4_QUERY_DEV_CAP_wrapper(struct mlx4_dev
*dev
, int slave
,
817 struct mlx4_vhcr
*vhcr
,
818 struct mlx4_cmd_mailbox
*inbox
,
819 struct mlx4_cmd_mailbox
*outbox
,
820 struct mlx4_cmd_info
*cmd
)
827 err
= mlx4_cmd_box(dev
, 0, outbox
->dma
, 0, 0, MLX4_CMD_QUERY_DEV_CAP
,
828 MLX4_CMD_TIME_CLASS_A
, MLX4_CMD_NATIVE
);
832 /* add port mng change event capability and disable mw type 1
833 * unconditionally to slaves
835 MLX4_GET(flags
, outbox
->buf
, QUERY_DEV_CAP_EXT_FLAGS_OFFSET
);
836 flags
|= MLX4_DEV_CAP_FLAG_PORT_MNG_CHG_EV
;
837 flags
&= ~MLX4_DEV_CAP_FLAG_MEM_WINDOW
;
838 MLX4_PUT(outbox
->buf
, flags
, QUERY_DEV_CAP_EXT_FLAGS_OFFSET
);
840 /* For guests, disable timestamp */
841 MLX4_GET(field
, outbox
->buf
, QUERY_DEV_CAP_CQ_TS_SUPPORT_OFFSET
);
843 MLX4_PUT(outbox
->buf
, field
, QUERY_DEV_CAP_CQ_TS_SUPPORT_OFFSET
);
845 /* For guests, report Blueflame disabled */
846 MLX4_GET(field
, outbox
->buf
, QUERY_DEV_CAP_BF_OFFSET
);
848 MLX4_PUT(outbox
->buf
, field
, QUERY_DEV_CAP_BF_OFFSET
);
850 /* For guests, disable mw type 2 */
851 MLX4_GET(bmme_flags
, outbox
, QUERY_DEV_CAP_BMME_FLAGS_OFFSET
);
852 bmme_flags
&= ~MLX4_BMME_FLAG_TYPE_2_WIN
;
853 MLX4_PUT(outbox
->buf
, bmme_flags
, QUERY_DEV_CAP_BMME_FLAGS_OFFSET
);
855 /* turn off device-managed steering capability if not enabled */
856 if (dev
->caps
.steering_mode
!= MLX4_STEERING_MODE_DEVICE_MANAGED
) {
857 MLX4_GET(field
, outbox
->buf
,
858 QUERY_DEV_CAP_FLOW_STEERING_RANGE_EN_OFFSET
);
860 MLX4_PUT(outbox
->buf
, field
,
861 QUERY_DEV_CAP_FLOW_STEERING_RANGE_EN_OFFSET
);
866 int mlx4_QUERY_PORT_wrapper(struct mlx4_dev
*dev
, int slave
,
867 struct mlx4_vhcr
*vhcr
,
868 struct mlx4_cmd_mailbox
*inbox
,
869 struct mlx4_cmd_mailbox
*outbox
,
870 struct mlx4_cmd_info
*cmd
)
872 struct mlx4_priv
*priv
= mlx4_priv(dev
);
877 int admin_link_state
;
879 #define MLX4_VF_PORT_NO_LINK_SENSE_MASK 0xE0
880 #define MLX4_PORT_LINK_UP_MASK 0x80
881 #define QUERY_PORT_CUR_MAX_PKEY_OFFSET 0x0c
882 #define QUERY_PORT_CUR_MAX_GID_OFFSET 0x0e
884 err
= mlx4_cmd_box(dev
, 0, outbox
->dma
, vhcr
->in_modifier
, 0,
885 MLX4_CMD_QUERY_PORT
, MLX4_CMD_TIME_CLASS_B
,
888 if (!err
&& dev
->caps
.function
!= slave
) {
889 def_mac
= priv
->mfunc
.master
.vf_oper
[slave
].vport
[vhcr
->in_modifier
].state
.mac
;
890 MLX4_PUT(outbox
->buf
, def_mac
, QUERY_PORT_MAC_OFFSET
);
892 /* get port type - currently only eth is enabled */
893 MLX4_GET(port_type
, outbox
->buf
,
894 QUERY_PORT_SUPPORTED_TYPE_OFFSET
);
896 /* No link sensing allowed */
897 port_type
&= MLX4_VF_PORT_NO_LINK_SENSE_MASK
;
898 /* set port type to currently operating port type */
899 port_type
|= (dev
->caps
.port_type
[vhcr
->in_modifier
] & 0x3);
901 admin_link_state
= priv
->mfunc
.master
.vf_oper
[slave
].vport
[vhcr
->in_modifier
].state
.link_state
;
902 if (IFLA_VF_LINK_STATE_ENABLE
== admin_link_state
)
903 port_type
|= MLX4_PORT_LINK_UP_MASK
;
904 else if (IFLA_VF_LINK_STATE_DISABLE
== admin_link_state
)
905 port_type
&= ~MLX4_PORT_LINK_UP_MASK
;
907 MLX4_PUT(outbox
->buf
, port_type
,
908 QUERY_PORT_SUPPORTED_TYPE_OFFSET
);
910 short_field
= 1; /* slave max gids */
911 MLX4_PUT(outbox
->buf
, short_field
,
912 QUERY_PORT_CUR_MAX_GID_OFFSET
);
914 short_field
= dev
->caps
.pkey_table_len
[vhcr
->in_modifier
];
915 MLX4_PUT(outbox
->buf
, short_field
,
916 QUERY_PORT_CUR_MAX_PKEY_OFFSET
);
922 int mlx4_get_slave_pkey_gid_tbl_len(struct mlx4_dev
*dev
, u8 port
,
923 int *gid_tbl_len
, int *pkey_tbl_len
)
925 struct mlx4_cmd_mailbox
*mailbox
;
930 mailbox
= mlx4_alloc_cmd_mailbox(dev
);
932 return PTR_ERR(mailbox
);
934 err
= mlx4_cmd_box(dev
, 0, mailbox
->dma
, port
, 0,
935 MLX4_CMD_QUERY_PORT
, MLX4_CMD_TIME_CLASS_B
,
940 outbox
= mailbox
->buf
;
942 MLX4_GET(field
, outbox
, QUERY_PORT_CUR_MAX_GID_OFFSET
);
943 *gid_tbl_len
= field
;
945 MLX4_GET(field
, outbox
, QUERY_PORT_CUR_MAX_PKEY_OFFSET
);
946 *pkey_tbl_len
= field
;
949 mlx4_free_cmd_mailbox(dev
, mailbox
);
952 EXPORT_SYMBOL(mlx4_get_slave_pkey_gid_tbl_len
);
954 int mlx4_map_cmd(struct mlx4_dev
*dev
, u16 op
, struct mlx4_icm
*icm
, u64 virt
)
956 struct mlx4_cmd_mailbox
*mailbox
;
957 struct mlx4_icm_iter iter
;
965 mailbox
= mlx4_alloc_cmd_mailbox(dev
);
967 return PTR_ERR(mailbox
);
968 pages
= mailbox
->buf
;
970 for (mlx4_icm_first(icm
, &iter
);
971 !mlx4_icm_last(&iter
);
972 mlx4_icm_next(&iter
)) {
974 * We have to pass pages that are aligned to their
975 * size, so find the least significant 1 in the
976 * address or size and use that as our log2 size.
978 lg
= ffs(mlx4_icm_addr(&iter
) | mlx4_icm_size(&iter
)) - 1;
979 if (lg
< MLX4_ICM_PAGE_SHIFT
) {
980 mlx4_warn(dev
, "Got FW area not aligned to %d (%llx/%lx).\n",
982 (unsigned long long) mlx4_icm_addr(&iter
),
983 mlx4_icm_size(&iter
));
988 for (i
= 0; i
< mlx4_icm_size(&iter
) >> lg
; ++i
) {
990 pages
[nent
* 2] = cpu_to_be64(virt
);
994 pages
[nent
* 2 + 1] =
995 cpu_to_be64((mlx4_icm_addr(&iter
) + (i
<< lg
)) |
996 (lg
- MLX4_ICM_PAGE_SHIFT
));
997 ts
+= 1 << (lg
- 10);
1000 if (++nent
== MLX4_MAILBOX_SIZE
/ 16) {
1001 err
= mlx4_cmd(dev
, mailbox
->dma
, nent
, 0, op
,
1002 MLX4_CMD_TIME_CLASS_B
,
1012 err
= mlx4_cmd(dev
, mailbox
->dma
, nent
, 0, op
,
1013 MLX4_CMD_TIME_CLASS_B
, MLX4_CMD_NATIVE
);
1018 case MLX4_CMD_MAP_FA
:
1019 mlx4_dbg(dev
, "Mapped %d chunks/%d KB for FW.\n", tc
, ts
);
1021 case MLX4_CMD_MAP_ICM_AUX
:
1022 mlx4_dbg(dev
, "Mapped %d chunks/%d KB for ICM aux.\n", tc
, ts
);
1024 case MLX4_CMD_MAP_ICM
:
1025 mlx4_dbg(dev
, "Mapped %d chunks/%d KB at %llx for ICM.\n",
1026 tc
, ts
, (unsigned long long) virt
- (ts
<< 10));
1031 mlx4_free_cmd_mailbox(dev
, mailbox
);
1035 int mlx4_MAP_FA(struct mlx4_dev
*dev
, struct mlx4_icm
*icm
)
1037 return mlx4_map_cmd(dev
, MLX4_CMD_MAP_FA
, icm
, -1);
1040 int mlx4_UNMAP_FA(struct mlx4_dev
*dev
)
1042 return mlx4_cmd(dev
, 0, 0, 0, MLX4_CMD_UNMAP_FA
,
1043 MLX4_CMD_TIME_CLASS_B
, MLX4_CMD_NATIVE
);
1047 int mlx4_RUN_FW(struct mlx4_dev
*dev
)
1049 return mlx4_cmd(dev
, 0, 0, 0, MLX4_CMD_RUN_FW
,
1050 MLX4_CMD_TIME_CLASS_A
, MLX4_CMD_NATIVE
);
1053 int mlx4_QUERY_FW(struct mlx4_dev
*dev
)
1055 struct mlx4_fw
*fw
= &mlx4_priv(dev
)->fw
;
1056 struct mlx4_cmd
*cmd
= &mlx4_priv(dev
)->cmd
;
1057 struct mlx4_cmd_mailbox
*mailbox
;
1064 #define QUERY_FW_OUT_SIZE 0x100
1065 #define QUERY_FW_VER_OFFSET 0x00
1066 #define QUERY_FW_PPF_ID 0x09
1067 #define QUERY_FW_CMD_IF_REV_OFFSET 0x0a
1068 #define QUERY_FW_MAX_CMD_OFFSET 0x0f
1069 #define QUERY_FW_ERR_START_OFFSET 0x30
1070 #define QUERY_FW_ERR_SIZE_OFFSET 0x38
1071 #define QUERY_FW_ERR_BAR_OFFSET 0x3c
1073 #define QUERY_FW_SIZE_OFFSET 0x00
1074 #define QUERY_FW_CLR_INT_BASE_OFFSET 0x20
1075 #define QUERY_FW_CLR_INT_BAR_OFFSET 0x28
1077 #define QUERY_FW_COMM_BASE_OFFSET 0x40
1078 #define QUERY_FW_COMM_BAR_OFFSET 0x48
1080 #define QUERY_FW_CLOCK_OFFSET 0x50
1081 #define QUERY_FW_CLOCK_BAR 0x58
1083 mailbox
= mlx4_alloc_cmd_mailbox(dev
);
1084 if (IS_ERR(mailbox
))
1085 return PTR_ERR(mailbox
);
1086 outbox
= mailbox
->buf
;
1088 err
= mlx4_cmd_box(dev
, 0, mailbox
->dma
, 0, 0, MLX4_CMD_QUERY_FW
,
1089 MLX4_CMD_TIME_CLASS_A
, MLX4_CMD_NATIVE
);
1093 MLX4_GET(fw_ver
, outbox
, QUERY_FW_VER_OFFSET
);
1095 * FW subminor version is at more significant bits than minor
1096 * version, so swap here.
1098 dev
->caps
.fw_ver
= (fw_ver
& 0xffff00000000ull
) |
1099 ((fw_ver
& 0xffff0000ull
) >> 16) |
1100 ((fw_ver
& 0x0000ffffull
) << 16);
1102 MLX4_GET(lg
, outbox
, QUERY_FW_PPF_ID
);
1103 dev
->caps
.function
= lg
;
1105 if (mlx4_is_slave(dev
))
1109 MLX4_GET(cmd_if_rev
, outbox
, QUERY_FW_CMD_IF_REV_OFFSET
);
1110 if (cmd_if_rev
< MLX4_COMMAND_INTERFACE_MIN_REV
||
1111 cmd_if_rev
> MLX4_COMMAND_INTERFACE_MAX_REV
) {
1112 mlx4_err(dev
, "Installed FW has unsupported "
1113 "command interface revision %d.\n",
1115 mlx4_err(dev
, "(Installed FW version is %d.%d.%03d)\n",
1116 (int) (dev
->caps
.fw_ver
>> 32),
1117 (int) (dev
->caps
.fw_ver
>> 16) & 0xffff,
1118 (int) dev
->caps
.fw_ver
& 0xffff);
1119 mlx4_err(dev
, "This driver version supports only revisions %d to %d.\n",
1120 MLX4_COMMAND_INTERFACE_MIN_REV
, MLX4_COMMAND_INTERFACE_MAX_REV
);
1125 if (cmd_if_rev
< MLX4_COMMAND_INTERFACE_NEW_PORT_CMDS
)
1126 dev
->flags
|= MLX4_FLAG_OLD_PORT_CMDS
;
1128 MLX4_GET(lg
, outbox
, QUERY_FW_MAX_CMD_OFFSET
);
1129 cmd
->max_cmds
= 1 << lg
;
1131 mlx4_dbg(dev
, "FW version %d.%d.%03d (cmd intf rev %d), max commands %d\n",
1132 (int) (dev
->caps
.fw_ver
>> 32),
1133 (int) (dev
->caps
.fw_ver
>> 16) & 0xffff,
1134 (int) dev
->caps
.fw_ver
& 0xffff,
1135 cmd_if_rev
, cmd
->max_cmds
);
1137 MLX4_GET(fw
->catas_offset
, outbox
, QUERY_FW_ERR_START_OFFSET
);
1138 MLX4_GET(fw
->catas_size
, outbox
, QUERY_FW_ERR_SIZE_OFFSET
);
1139 MLX4_GET(fw
->catas_bar
, outbox
, QUERY_FW_ERR_BAR_OFFSET
);
1140 fw
->catas_bar
= (fw
->catas_bar
>> 6) * 2;
1142 mlx4_dbg(dev
, "Catastrophic error buffer at 0x%llx, size 0x%x, BAR %d\n",
1143 (unsigned long long) fw
->catas_offset
, fw
->catas_size
, fw
->catas_bar
);
1145 MLX4_GET(fw
->fw_pages
, outbox
, QUERY_FW_SIZE_OFFSET
);
1146 MLX4_GET(fw
->clr_int_base
, outbox
, QUERY_FW_CLR_INT_BASE_OFFSET
);
1147 MLX4_GET(fw
->clr_int_bar
, outbox
, QUERY_FW_CLR_INT_BAR_OFFSET
);
1148 fw
->clr_int_bar
= (fw
->clr_int_bar
>> 6) * 2;
1150 MLX4_GET(fw
->comm_base
, outbox
, QUERY_FW_COMM_BASE_OFFSET
);
1151 MLX4_GET(fw
->comm_bar
, outbox
, QUERY_FW_COMM_BAR_OFFSET
);
1152 fw
->comm_bar
= (fw
->comm_bar
>> 6) * 2;
1153 mlx4_dbg(dev
, "Communication vector bar:%d offset:0x%llx\n",
1154 fw
->comm_bar
, fw
->comm_base
);
1155 mlx4_dbg(dev
, "FW size %d KB\n", fw
->fw_pages
>> 2);
1157 MLX4_GET(fw
->clock_offset
, outbox
, QUERY_FW_CLOCK_OFFSET
);
1158 MLX4_GET(fw
->clock_bar
, outbox
, QUERY_FW_CLOCK_BAR
);
1159 fw
->clock_bar
= (fw
->clock_bar
>> 6) * 2;
1160 mlx4_dbg(dev
, "Internal clock bar:%d offset:0x%llx\n",
1161 fw
->clock_bar
, fw
->clock_offset
);
1164 * Round up number of system pages needed in case
1165 * MLX4_ICM_PAGE_SIZE < PAGE_SIZE.
1168 ALIGN(fw
->fw_pages
, PAGE_SIZE
/ MLX4_ICM_PAGE_SIZE
) >>
1169 (PAGE_SHIFT
- MLX4_ICM_PAGE_SHIFT
);
1171 mlx4_dbg(dev
, "Clear int @ %llx, BAR %d\n",
1172 (unsigned long long) fw
->clr_int_base
, fw
->clr_int_bar
);
1175 mlx4_free_cmd_mailbox(dev
, mailbox
);
1179 int mlx4_QUERY_FW_wrapper(struct mlx4_dev
*dev
, int slave
,
1180 struct mlx4_vhcr
*vhcr
,
1181 struct mlx4_cmd_mailbox
*inbox
,
1182 struct mlx4_cmd_mailbox
*outbox
,
1183 struct mlx4_cmd_info
*cmd
)
1188 outbuf
= outbox
->buf
;
1189 err
= mlx4_cmd_box(dev
, 0, outbox
->dma
, 0, 0, MLX4_CMD_QUERY_FW
,
1190 MLX4_CMD_TIME_CLASS_A
, MLX4_CMD_NATIVE
);
1194 /* for slaves, set pci PPF ID to invalid and zero out everything
1195 * else except FW version */
1196 outbuf
[0] = outbuf
[1] = 0;
1197 memset(&outbuf
[8], 0, QUERY_FW_OUT_SIZE
- 8);
1198 outbuf
[QUERY_FW_PPF_ID
] = MLX4_INVALID_SLAVE_ID
;
1203 static void get_board_id(void *vsd
, char *board_id
)
1207 #define VSD_OFFSET_SIG1 0x00
1208 #define VSD_OFFSET_SIG2 0xde
1209 #define VSD_OFFSET_MLX_BOARD_ID 0xd0
1210 #define VSD_OFFSET_TS_BOARD_ID 0x20
1212 #define VSD_SIGNATURE_TOPSPIN 0x5ad
1214 memset(board_id
, 0, MLX4_BOARD_ID_LEN
);
1216 if (be16_to_cpup(vsd
+ VSD_OFFSET_SIG1
) == VSD_SIGNATURE_TOPSPIN
&&
1217 be16_to_cpup(vsd
+ VSD_OFFSET_SIG2
) == VSD_SIGNATURE_TOPSPIN
) {
1218 strlcpy(board_id
, vsd
+ VSD_OFFSET_TS_BOARD_ID
, MLX4_BOARD_ID_LEN
);
1221 * The board ID is a string but the firmware byte
1222 * swaps each 4-byte word before passing it back to
1223 * us. Therefore we need to swab it before printing.
1225 for (i
= 0; i
< 4; ++i
)
1226 ((u32
*) board_id
)[i
] =
1227 swab32(*(u32
*) (vsd
+ VSD_OFFSET_MLX_BOARD_ID
+ i
* 4));
1231 int mlx4_QUERY_ADAPTER(struct mlx4_dev
*dev
, struct mlx4_adapter
*adapter
)
1233 struct mlx4_cmd_mailbox
*mailbox
;
1237 #define QUERY_ADAPTER_OUT_SIZE 0x100
1238 #define QUERY_ADAPTER_INTA_PIN_OFFSET 0x10
1239 #define QUERY_ADAPTER_VSD_OFFSET 0x20
1241 mailbox
= mlx4_alloc_cmd_mailbox(dev
);
1242 if (IS_ERR(mailbox
))
1243 return PTR_ERR(mailbox
);
1244 outbox
= mailbox
->buf
;
1246 err
= mlx4_cmd_box(dev
, 0, mailbox
->dma
, 0, 0, MLX4_CMD_QUERY_ADAPTER
,
1247 MLX4_CMD_TIME_CLASS_A
, MLX4_CMD_NATIVE
);
1251 MLX4_GET(adapter
->inta_pin
, outbox
, QUERY_ADAPTER_INTA_PIN_OFFSET
);
1253 get_board_id(outbox
+ QUERY_ADAPTER_VSD_OFFSET
/ 4,
1257 mlx4_free_cmd_mailbox(dev
, mailbox
);
1261 int mlx4_INIT_HCA(struct mlx4_dev
*dev
, struct mlx4_init_hca_param
*param
)
1263 struct mlx4_cmd_mailbox
*mailbox
;
1267 #define INIT_HCA_IN_SIZE 0x200
1268 #define INIT_HCA_VERSION_OFFSET 0x000
1269 #define INIT_HCA_VERSION 2
1270 #define INIT_HCA_CACHELINE_SZ_OFFSET 0x0e
1271 #define INIT_HCA_FLAGS_OFFSET 0x014
1272 #define INIT_HCA_QPC_OFFSET 0x020
1273 #define INIT_HCA_QPC_BASE_OFFSET (INIT_HCA_QPC_OFFSET + 0x10)
1274 #define INIT_HCA_LOG_QP_OFFSET (INIT_HCA_QPC_OFFSET + 0x17)
1275 #define INIT_HCA_SRQC_BASE_OFFSET (INIT_HCA_QPC_OFFSET + 0x28)
1276 #define INIT_HCA_LOG_SRQ_OFFSET (INIT_HCA_QPC_OFFSET + 0x2f)
1277 #define INIT_HCA_CQC_BASE_OFFSET (INIT_HCA_QPC_OFFSET + 0x30)
1278 #define INIT_HCA_LOG_CQ_OFFSET (INIT_HCA_QPC_OFFSET + 0x37)
1279 #define INIT_HCA_EQE_CQE_OFFSETS (INIT_HCA_QPC_OFFSET + 0x38)
1280 #define INIT_HCA_ALTC_BASE_OFFSET (INIT_HCA_QPC_OFFSET + 0x40)
1281 #define INIT_HCA_AUXC_BASE_OFFSET (INIT_HCA_QPC_OFFSET + 0x50)
1282 #define INIT_HCA_EQC_BASE_OFFSET (INIT_HCA_QPC_OFFSET + 0x60)
1283 #define INIT_HCA_LOG_EQ_OFFSET (INIT_HCA_QPC_OFFSET + 0x67)
1284 #define INIT_HCA_RDMARC_BASE_OFFSET (INIT_HCA_QPC_OFFSET + 0x70)
1285 #define INIT_HCA_LOG_RD_OFFSET (INIT_HCA_QPC_OFFSET + 0x77)
1286 #define INIT_HCA_MCAST_OFFSET 0x0c0
1287 #define INIT_HCA_MC_BASE_OFFSET (INIT_HCA_MCAST_OFFSET + 0x00)
1288 #define INIT_HCA_LOG_MC_ENTRY_SZ_OFFSET (INIT_HCA_MCAST_OFFSET + 0x12)
1289 #define INIT_HCA_LOG_MC_HASH_SZ_OFFSET (INIT_HCA_MCAST_OFFSET + 0x16)
1290 #define INIT_HCA_UC_STEERING_OFFSET (INIT_HCA_MCAST_OFFSET + 0x18)
1291 #define INIT_HCA_LOG_MC_TABLE_SZ_OFFSET (INIT_HCA_MCAST_OFFSET + 0x1b)
1292 #define INIT_HCA_DEVICE_MANAGED_FLOW_STEERING_EN 0x6
1293 #define INIT_HCA_FS_PARAM_OFFSET 0x1d0
1294 #define INIT_HCA_FS_BASE_OFFSET (INIT_HCA_FS_PARAM_OFFSET + 0x00)
1295 #define INIT_HCA_FS_LOG_ENTRY_SZ_OFFSET (INIT_HCA_FS_PARAM_OFFSET + 0x12)
1296 #define INIT_HCA_FS_LOG_TABLE_SZ_OFFSET (INIT_HCA_FS_PARAM_OFFSET + 0x1b)
1297 #define INIT_HCA_FS_ETH_BITS_OFFSET (INIT_HCA_FS_PARAM_OFFSET + 0x21)
1298 #define INIT_HCA_FS_ETH_NUM_ADDRS_OFFSET (INIT_HCA_FS_PARAM_OFFSET + 0x22)
1299 #define INIT_HCA_FS_IB_BITS_OFFSET (INIT_HCA_FS_PARAM_OFFSET + 0x25)
1300 #define INIT_HCA_FS_IB_NUM_ADDRS_OFFSET (INIT_HCA_FS_PARAM_OFFSET + 0x26)
1301 #define INIT_HCA_TPT_OFFSET 0x0f0
1302 #define INIT_HCA_DMPT_BASE_OFFSET (INIT_HCA_TPT_OFFSET + 0x00)
1303 #define INIT_HCA_TPT_MW_OFFSET (INIT_HCA_TPT_OFFSET + 0x08)
1304 #define INIT_HCA_LOG_MPT_SZ_OFFSET (INIT_HCA_TPT_OFFSET + 0x0b)
1305 #define INIT_HCA_MTT_BASE_OFFSET (INIT_HCA_TPT_OFFSET + 0x10)
1306 #define INIT_HCA_CMPT_BASE_OFFSET (INIT_HCA_TPT_OFFSET + 0x18)
1307 #define INIT_HCA_UAR_OFFSET 0x120
1308 #define INIT_HCA_LOG_UAR_SZ_OFFSET (INIT_HCA_UAR_OFFSET + 0x0a)
1309 #define INIT_HCA_UAR_PAGE_SZ_OFFSET (INIT_HCA_UAR_OFFSET + 0x0b)
1311 mailbox
= mlx4_alloc_cmd_mailbox(dev
);
1312 if (IS_ERR(mailbox
))
1313 return PTR_ERR(mailbox
);
1314 inbox
= mailbox
->buf
;
1316 *((u8
*) mailbox
->buf
+ INIT_HCA_VERSION_OFFSET
) = INIT_HCA_VERSION
;
1318 *((u8
*) mailbox
->buf
+ INIT_HCA_CACHELINE_SZ_OFFSET
) =
1319 (ilog2(cache_line_size()) - 4) << 5;
1321 #if defined(__LITTLE_ENDIAN)
1322 *(inbox
+ INIT_HCA_FLAGS_OFFSET
/ 4) &= ~cpu_to_be32(1 << 1);
1323 #elif defined(__BIG_ENDIAN)
1324 *(inbox
+ INIT_HCA_FLAGS_OFFSET
/ 4) |= cpu_to_be32(1 << 1);
1326 #error Host endianness not defined
1328 /* Check port for UD address vector: */
1329 *(inbox
+ INIT_HCA_FLAGS_OFFSET
/ 4) |= cpu_to_be32(1);
1331 /* Enable IPoIB checksumming if we can: */
1332 if (dev
->caps
.flags
& MLX4_DEV_CAP_FLAG_IPOIB_CSUM
)
1333 *(inbox
+ INIT_HCA_FLAGS_OFFSET
/ 4) |= cpu_to_be32(1 << 3);
1335 /* Enable QoS support if module parameter set */
1337 *(inbox
+ INIT_HCA_FLAGS_OFFSET
/ 4) |= cpu_to_be32(1 << 2);
1339 /* enable counters */
1340 if (dev
->caps
.flags
& MLX4_DEV_CAP_FLAG_COUNTERS
)
1341 *(inbox
+ INIT_HCA_FLAGS_OFFSET
/ 4) |= cpu_to_be32(1 << 4);
1343 /* CX3 is capable of extending CQEs/EQEs from 32 to 64 bytes */
1344 if (dev
->caps
.flags
& MLX4_DEV_CAP_FLAG_64B_EQE
) {
1345 *(inbox
+ INIT_HCA_EQE_CQE_OFFSETS
/ 4) |= cpu_to_be32(1 << 29);
1346 dev
->caps
.eqe_size
= 64;
1347 dev
->caps
.eqe_factor
= 1;
1349 dev
->caps
.eqe_size
= 32;
1350 dev
->caps
.eqe_factor
= 0;
1353 if (dev
->caps
.flags
& MLX4_DEV_CAP_FLAG_64B_CQE
) {
1354 *(inbox
+ INIT_HCA_EQE_CQE_OFFSETS
/ 4) |= cpu_to_be32(1 << 30);
1355 dev
->caps
.cqe_size
= 64;
1356 dev
->caps
.userspace_caps
|= MLX4_USER_DEV_CAP_64B_CQE
;
1358 dev
->caps
.cqe_size
= 32;
1361 /* QPC/EEC/CQC/EQC/RDMARC attributes */
1363 MLX4_PUT(inbox
, param
->qpc_base
, INIT_HCA_QPC_BASE_OFFSET
);
1364 MLX4_PUT(inbox
, param
->log_num_qps
, INIT_HCA_LOG_QP_OFFSET
);
1365 MLX4_PUT(inbox
, param
->srqc_base
, INIT_HCA_SRQC_BASE_OFFSET
);
1366 MLX4_PUT(inbox
, param
->log_num_srqs
, INIT_HCA_LOG_SRQ_OFFSET
);
1367 MLX4_PUT(inbox
, param
->cqc_base
, INIT_HCA_CQC_BASE_OFFSET
);
1368 MLX4_PUT(inbox
, param
->log_num_cqs
, INIT_HCA_LOG_CQ_OFFSET
);
1369 MLX4_PUT(inbox
, param
->altc_base
, INIT_HCA_ALTC_BASE_OFFSET
);
1370 MLX4_PUT(inbox
, param
->auxc_base
, INIT_HCA_AUXC_BASE_OFFSET
);
1371 MLX4_PUT(inbox
, param
->eqc_base
, INIT_HCA_EQC_BASE_OFFSET
);
1372 MLX4_PUT(inbox
, param
->log_num_eqs
, INIT_HCA_LOG_EQ_OFFSET
);
1373 MLX4_PUT(inbox
, param
->rdmarc_base
, INIT_HCA_RDMARC_BASE_OFFSET
);
1374 MLX4_PUT(inbox
, param
->log_rd_per_qp
, INIT_HCA_LOG_RD_OFFSET
);
1376 /* steering attributes */
1377 if (dev
->caps
.steering_mode
==
1378 MLX4_STEERING_MODE_DEVICE_MANAGED
) {
1379 *(inbox
+ INIT_HCA_FLAGS_OFFSET
/ 4) |=
1381 INIT_HCA_DEVICE_MANAGED_FLOW_STEERING_EN
);
1383 MLX4_PUT(inbox
, param
->mc_base
, INIT_HCA_FS_BASE_OFFSET
);
1384 MLX4_PUT(inbox
, param
->log_mc_entry_sz
,
1385 INIT_HCA_FS_LOG_ENTRY_SZ_OFFSET
);
1386 MLX4_PUT(inbox
, param
->log_mc_table_sz
,
1387 INIT_HCA_FS_LOG_TABLE_SZ_OFFSET
);
1388 /* Enable Ethernet flow steering
1389 * with udp unicast and tcp unicast
1391 MLX4_PUT(inbox
, (u8
) (MLX4_FS_UDP_UC_EN
| MLX4_FS_TCP_UC_EN
),
1392 INIT_HCA_FS_ETH_BITS_OFFSET
);
1393 MLX4_PUT(inbox
, (u16
) MLX4_FS_NUM_OF_L2_ADDR
,
1394 INIT_HCA_FS_ETH_NUM_ADDRS_OFFSET
);
1395 /* Enable IPoIB flow steering
1396 * with udp unicast and tcp unicast
1398 MLX4_PUT(inbox
, (u8
) (MLX4_FS_UDP_UC_EN
| MLX4_FS_TCP_UC_EN
),
1399 INIT_HCA_FS_IB_BITS_OFFSET
);
1400 MLX4_PUT(inbox
, (u16
) MLX4_FS_NUM_OF_L2_ADDR
,
1401 INIT_HCA_FS_IB_NUM_ADDRS_OFFSET
);
1403 MLX4_PUT(inbox
, param
->mc_base
, INIT_HCA_MC_BASE_OFFSET
);
1404 MLX4_PUT(inbox
, param
->log_mc_entry_sz
,
1405 INIT_HCA_LOG_MC_ENTRY_SZ_OFFSET
);
1406 MLX4_PUT(inbox
, param
->log_mc_hash_sz
,
1407 INIT_HCA_LOG_MC_HASH_SZ_OFFSET
);
1408 MLX4_PUT(inbox
, param
->log_mc_table_sz
,
1409 INIT_HCA_LOG_MC_TABLE_SZ_OFFSET
);
1410 if (dev
->caps
.steering_mode
== MLX4_STEERING_MODE_B0
)
1411 MLX4_PUT(inbox
, (u8
) (1 << 3),
1412 INIT_HCA_UC_STEERING_OFFSET
);
1415 /* TPT attributes */
1417 MLX4_PUT(inbox
, param
->dmpt_base
, INIT_HCA_DMPT_BASE_OFFSET
);
1418 MLX4_PUT(inbox
, param
->mw_enabled
, INIT_HCA_TPT_MW_OFFSET
);
1419 MLX4_PUT(inbox
, param
->log_mpt_sz
, INIT_HCA_LOG_MPT_SZ_OFFSET
);
1420 MLX4_PUT(inbox
, param
->mtt_base
, INIT_HCA_MTT_BASE_OFFSET
);
1421 MLX4_PUT(inbox
, param
->cmpt_base
, INIT_HCA_CMPT_BASE_OFFSET
);
1423 /* UAR attributes */
1425 MLX4_PUT(inbox
, param
->uar_page_sz
, INIT_HCA_UAR_PAGE_SZ_OFFSET
);
1426 MLX4_PUT(inbox
, param
->log_uar_sz
, INIT_HCA_LOG_UAR_SZ_OFFSET
);
1428 err
= mlx4_cmd(dev
, mailbox
->dma
, 0, 0, MLX4_CMD_INIT_HCA
, 10000,
1432 mlx4_err(dev
, "INIT_HCA returns %d\n", err
);
1434 mlx4_free_cmd_mailbox(dev
, mailbox
);
1438 int mlx4_QUERY_HCA(struct mlx4_dev
*dev
,
1439 struct mlx4_init_hca_param
*param
)
1441 struct mlx4_cmd_mailbox
*mailbox
;
1447 #define QUERY_HCA_GLOBAL_CAPS_OFFSET 0x04
1448 #define QUERY_HCA_CORE_CLOCK_OFFSET 0x0c
1450 mailbox
= mlx4_alloc_cmd_mailbox(dev
);
1451 if (IS_ERR(mailbox
))
1452 return PTR_ERR(mailbox
);
1453 outbox
= mailbox
->buf
;
1455 err
= mlx4_cmd_box(dev
, 0, mailbox
->dma
, 0, 0,
1457 MLX4_CMD_TIME_CLASS_B
,
1458 !mlx4_is_slave(dev
));
1462 MLX4_GET(param
->global_caps
, outbox
, QUERY_HCA_GLOBAL_CAPS_OFFSET
);
1463 MLX4_GET(param
->hca_core_clock
, outbox
, QUERY_HCA_CORE_CLOCK_OFFSET
);
1465 /* QPC/EEC/CQC/EQC/RDMARC attributes */
1467 MLX4_GET(param
->qpc_base
, outbox
, INIT_HCA_QPC_BASE_OFFSET
);
1468 MLX4_GET(param
->log_num_qps
, outbox
, INIT_HCA_LOG_QP_OFFSET
);
1469 MLX4_GET(param
->srqc_base
, outbox
, INIT_HCA_SRQC_BASE_OFFSET
);
1470 MLX4_GET(param
->log_num_srqs
, outbox
, INIT_HCA_LOG_SRQ_OFFSET
);
1471 MLX4_GET(param
->cqc_base
, outbox
, INIT_HCA_CQC_BASE_OFFSET
);
1472 MLX4_GET(param
->log_num_cqs
, outbox
, INIT_HCA_LOG_CQ_OFFSET
);
1473 MLX4_GET(param
->altc_base
, outbox
, INIT_HCA_ALTC_BASE_OFFSET
);
1474 MLX4_GET(param
->auxc_base
, outbox
, INIT_HCA_AUXC_BASE_OFFSET
);
1475 MLX4_GET(param
->eqc_base
, outbox
, INIT_HCA_EQC_BASE_OFFSET
);
1476 MLX4_GET(param
->log_num_eqs
, outbox
, INIT_HCA_LOG_EQ_OFFSET
);
1477 MLX4_GET(param
->rdmarc_base
, outbox
, INIT_HCA_RDMARC_BASE_OFFSET
);
1478 MLX4_GET(param
->log_rd_per_qp
, outbox
, INIT_HCA_LOG_RD_OFFSET
);
1480 MLX4_GET(dword_field
, outbox
, INIT_HCA_FLAGS_OFFSET
);
1481 if (dword_field
& (1 << INIT_HCA_DEVICE_MANAGED_FLOW_STEERING_EN
)) {
1482 param
->steering_mode
= MLX4_STEERING_MODE_DEVICE_MANAGED
;
1484 MLX4_GET(byte_field
, outbox
, INIT_HCA_UC_STEERING_OFFSET
);
1485 if (byte_field
& 0x8)
1486 param
->steering_mode
= MLX4_STEERING_MODE_B0
;
1488 param
->steering_mode
= MLX4_STEERING_MODE_A0
;
1490 /* steering attributes */
1491 if (param
->steering_mode
== MLX4_STEERING_MODE_DEVICE_MANAGED
) {
1492 MLX4_GET(param
->mc_base
, outbox
, INIT_HCA_FS_BASE_OFFSET
);
1493 MLX4_GET(param
->log_mc_entry_sz
, outbox
,
1494 INIT_HCA_FS_LOG_ENTRY_SZ_OFFSET
);
1495 MLX4_GET(param
->log_mc_table_sz
, outbox
,
1496 INIT_HCA_FS_LOG_TABLE_SZ_OFFSET
);
1498 MLX4_GET(param
->mc_base
, outbox
, INIT_HCA_MC_BASE_OFFSET
);
1499 MLX4_GET(param
->log_mc_entry_sz
, outbox
,
1500 INIT_HCA_LOG_MC_ENTRY_SZ_OFFSET
);
1501 MLX4_GET(param
->log_mc_hash_sz
, outbox
,
1502 INIT_HCA_LOG_MC_HASH_SZ_OFFSET
);
1503 MLX4_GET(param
->log_mc_table_sz
, outbox
,
1504 INIT_HCA_LOG_MC_TABLE_SZ_OFFSET
);
1507 /* CX3 is capable of extending CQEs/EQEs from 32 to 64 bytes */
1508 MLX4_GET(byte_field
, outbox
, INIT_HCA_EQE_CQE_OFFSETS
);
1509 if (byte_field
& 0x20) /* 64-bytes eqe enabled */
1510 param
->dev_cap_enabled
|= MLX4_DEV_CAP_64B_EQE_ENABLED
;
1511 if (byte_field
& 0x40) /* 64-bytes cqe enabled */
1512 param
->dev_cap_enabled
|= MLX4_DEV_CAP_64B_CQE_ENABLED
;
1514 /* TPT attributes */
1516 MLX4_GET(param
->dmpt_base
, outbox
, INIT_HCA_DMPT_BASE_OFFSET
);
1517 MLX4_GET(param
->mw_enabled
, outbox
, INIT_HCA_TPT_MW_OFFSET
);
1518 MLX4_GET(param
->log_mpt_sz
, outbox
, INIT_HCA_LOG_MPT_SZ_OFFSET
);
1519 MLX4_GET(param
->mtt_base
, outbox
, INIT_HCA_MTT_BASE_OFFSET
);
1520 MLX4_GET(param
->cmpt_base
, outbox
, INIT_HCA_CMPT_BASE_OFFSET
);
1522 /* UAR attributes */
1524 MLX4_GET(param
->uar_page_sz
, outbox
, INIT_HCA_UAR_PAGE_SZ_OFFSET
);
1525 MLX4_GET(param
->log_uar_sz
, outbox
, INIT_HCA_LOG_UAR_SZ_OFFSET
);
1528 mlx4_free_cmd_mailbox(dev
, mailbox
);
1533 /* for IB-type ports only in SRIOV mode. Checks that both proxy QP0
1534 * and real QP0 are active, so that the paravirtualized QP0 is ready
1536 static int check_qp0_state(struct mlx4_dev
*dev
, int function
, int port
)
1538 struct mlx4_priv
*priv
= mlx4_priv(dev
);
1539 /* irrelevant if not infiniband */
1540 if (priv
->mfunc
.master
.qp0_state
[port
].proxy_qp0_active
&&
1541 priv
->mfunc
.master
.qp0_state
[port
].qp0_active
)
1546 int mlx4_INIT_PORT_wrapper(struct mlx4_dev
*dev
, int slave
,
1547 struct mlx4_vhcr
*vhcr
,
1548 struct mlx4_cmd_mailbox
*inbox
,
1549 struct mlx4_cmd_mailbox
*outbox
,
1550 struct mlx4_cmd_info
*cmd
)
1552 struct mlx4_priv
*priv
= mlx4_priv(dev
);
1553 int port
= vhcr
->in_modifier
;
1556 if (priv
->mfunc
.master
.slave_state
[slave
].init_port_mask
& (1 << port
))
1559 if (dev
->caps
.port_mask
[port
] != MLX4_PORT_TYPE_IB
) {
1560 /* Enable port only if it was previously disabled */
1561 if (!priv
->mfunc
.master
.init_port_ref
[port
]) {
1562 err
= mlx4_cmd(dev
, 0, port
, 0, MLX4_CMD_INIT_PORT
,
1563 MLX4_CMD_TIME_CLASS_A
, MLX4_CMD_NATIVE
);
1567 priv
->mfunc
.master
.slave_state
[slave
].init_port_mask
|= (1 << port
);
1569 if (slave
== mlx4_master_func_num(dev
)) {
1570 if (check_qp0_state(dev
, slave
, port
) &&
1571 !priv
->mfunc
.master
.qp0_state
[port
].port_active
) {
1572 err
= mlx4_cmd(dev
, 0, port
, 0, MLX4_CMD_INIT_PORT
,
1573 MLX4_CMD_TIME_CLASS_A
, MLX4_CMD_NATIVE
);
1576 priv
->mfunc
.master
.qp0_state
[port
].port_active
= 1;
1577 priv
->mfunc
.master
.slave_state
[slave
].init_port_mask
|= (1 << port
);
1580 priv
->mfunc
.master
.slave_state
[slave
].init_port_mask
|= (1 << port
);
1582 ++priv
->mfunc
.master
.init_port_ref
[port
];
1586 int mlx4_INIT_PORT(struct mlx4_dev
*dev
, int port
)
1588 struct mlx4_cmd_mailbox
*mailbox
;
1594 if (dev
->flags
& MLX4_FLAG_OLD_PORT_CMDS
) {
1595 #define INIT_PORT_IN_SIZE 256
1596 #define INIT_PORT_FLAGS_OFFSET 0x00
1597 #define INIT_PORT_FLAG_SIG (1 << 18)
1598 #define INIT_PORT_FLAG_NG (1 << 17)
1599 #define INIT_PORT_FLAG_G0 (1 << 16)
1600 #define INIT_PORT_VL_SHIFT 4
1601 #define INIT_PORT_PORT_WIDTH_SHIFT 8
1602 #define INIT_PORT_MTU_OFFSET 0x04
1603 #define INIT_PORT_MAX_GID_OFFSET 0x06
1604 #define INIT_PORT_MAX_PKEY_OFFSET 0x0a
1605 #define INIT_PORT_GUID0_OFFSET 0x10
1606 #define INIT_PORT_NODE_GUID_OFFSET 0x18
1607 #define INIT_PORT_SI_GUID_OFFSET 0x20
1609 mailbox
= mlx4_alloc_cmd_mailbox(dev
);
1610 if (IS_ERR(mailbox
))
1611 return PTR_ERR(mailbox
);
1612 inbox
= mailbox
->buf
;
1615 flags
|= (dev
->caps
.vl_cap
[port
] & 0xf) << INIT_PORT_VL_SHIFT
;
1616 flags
|= (dev
->caps
.port_width_cap
[port
] & 0xf) << INIT_PORT_PORT_WIDTH_SHIFT
;
1617 MLX4_PUT(inbox
, flags
, INIT_PORT_FLAGS_OFFSET
);
1619 field
= 128 << dev
->caps
.ib_mtu_cap
[port
];
1620 MLX4_PUT(inbox
, field
, INIT_PORT_MTU_OFFSET
);
1621 field
= dev
->caps
.gid_table_len
[port
];
1622 MLX4_PUT(inbox
, field
, INIT_PORT_MAX_GID_OFFSET
);
1623 field
= dev
->caps
.pkey_table_len
[port
];
1624 MLX4_PUT(inbox
, field
, INIT_PORT_MAX_PKEY_OFFSET
);
1626 err
= mlx4_cmd(dev
, mailbox
->dma
, port
, 0, MLX4_CMD_INIT_PORT
,
1627 MLX4_CMD_TIME_CLASS_A
, MLX4_CMD_NATIVE
);
1629 mlx4_free_cmd_mailbox(dev
, mailbox
);
1631 err
= mlx4_cmd(dev
, 0, port
, 0, MLX4_CMD_INIT_PORT
,
1632 MLX4_CMD_TIME_CLASS_A
, MLX4_CMD_WRAPPED
);
1636 EXPORT_SYMBOL_GPL(mlx4_INIT_PORT
);
1638 int mlx4_CLOSE_PORT_wrapper(struct mlx4_dev
*dev
, int slave
,
1639 struct mlx4_vhcr
*vhcr
,
1640 struct mlx4_cmd_mailbox
*inbox
,
1641 struct mlx4_cmd_mailbox
*outbox
,
1642 struct mlx4_cmd_info
*cmd
)
1644 struct mlx4_priv
*priv
= mlx4_priv(dev
);
1645 int port
= vhcr
->in_modifier
;
1648 if (!(priv
->mfunc
.master
.slave_state
[slave
].init_port_mask
&
1652 if (dev
->caps
.port_mask
[port
] != MLX4_PORT_TYPE_IB
) {
1653 if (priv
->mfunc
.master
.init_port_ref
[port
] == 1) {
1654 err
= mlx4_cmd(dev
, 0, port
, 0, MLX4_CMD_CLOSE_PORT
,
1655 1000, MLX4_CMD_NATIVE
);
1659 priv
->mfunc
.master
.slave_state
[slave
].init_port_mask
&= ~(1 << port
);
1661 /* infiniband port */
1662 if (slave
== mlx4_master_func_num(dev
)) {
1663 if (!priv
->mfunc
.master
.qp0_state
[port
].qp0_active
&&
1664 priv
->mfunc
.master
.qp0_state
[port
].port_active
) {
1665 err
= mlx4_cmd(dev
, 0, port
, 0, MLX4_CMD_CLOSE_PORT
,
1666 1000, MLX4_CMD_NATIVE
);
1669 priv
->mfunc
.master
.slave_state
[slave
].init_port_mask
&= ~(1 << port
);
1670 priv
->mfunc
.master
.qp0_state
[port
].port_active
= 0;
1673 priv
->mfunc
.master
.slave_state
[slave
].init_port_mask
&= ~(1 << port
);
1675 --priv
->mfunc
.master
.init_port_ref
[port
];
1679 int mlx4_CLOSE_PORT(struct mlx4_dev
*dev
, int port
)
1681 return mlx4_cmd(dev
, 0, port
, 0, MLX4_CMD_CLOSE_PORT
, 1000,
1684 EXPORT_SYMBOL_GPL(mlx4_CLOSE_PORT
);
1686 int mlx4_CLOSE_HCA(struct mlx4_dev
*dev
, int panic
)
1688 return mlx4_cmd(dev
, 0, 0, panic
, MLX4_CMD_CLOSE_HCA
, 1000,
1692 int mlx4_SET_ICM_SIZE(struct mlx4_dev
*dev
, u64 icm_size
, u64
*aux_pages
)
1694 int ret
= mlx4_cmd_imm(dev
, icm_size
, aux_pages
, 0, 0,
1695 MLX4_CMD_SET_ICM_SIZE
,
1696 MLX4_CMD_TIME_CLASS_A
, MLX4_CMD_NATIVE
);
1701 * Round up number of system pages needed in case
1702 * MLX4_ICM_PAGE_SIZE < PAGE_SIZE.
1704 *aux_pages
= ALIGN(*aux_pages
, PAGE_SIZE
/ MLX4_ICM_PAGE_SIZE
) >>
1705 (PAGE_SHIFT
- MLX4_ICM_PAGE_SHIFT
);
1710 int mlx4_NOP(struct mlx4_dev
*dev
)
1712 /* Input modifier of 0x1f means "finish as soon as possible." */
1713 return mlx4_cmd(dev
, 0, 0x1f, 0, MLX4_CMD_NOP
, 100, MLX4_CMD_NATIVE
);
1716 #define MLX4_WOL_SETUP_MODE (5 << 28)
1717 int mlx4_wol_read(struct mlx4_dev
*dev
, u64
*config
, int port
)
1719 u32 in_mod
= MLX4_WOL_SETUP_MODE
| port
<< 8;
1721 return mlx4_cmd_imm(dev
, 0, config
, in_mod
, 0x3,
1722 MLX4_CMD_MOD_STAT_CFG
, MLX4_CMD_TIME_CLASS_A
,
1725 EXPORT_SYMBOL_GPL(mlx4_wol_read
);
1727 int mlx4_wol_write(struct mlx4_dev
*dev
, u64 config
, int port
)
1729 u32 in_mod
= MLX4_WOL_SETUP_MODE
| port
<< 8;
1731 return mlx4_cmd(dev
, config
, in_mod
, 0x1, MLX4_CMD_MOD_STAT_CFG
,
1732 MLX4_CMD_TIME_CLASS_A
, MLX4_CMD_NATIVE
);
1734 EXPORT_SYMBOL_GPL(mlx4_wol_write
);
1741 void mlx4_opreq_action(struct work_struct
*work
)
1743 struct mlx4_priv
*priv
= container_of(work
, struct mlx4_priv
,
1745 struct mlx4_dev
*dev
= &priv
->dev
;
1746 int num_tasks
= atomic_read(&priv
->opreq_count
);
1747 struct mlx4_cmd_mailbox
*mailbox
;
1748 struct mlx4_mgm
*mgm
;
1760 #define GET_OP_REQ_MODIFIER_OFFSET 0x08
1761 #define GET_OP_REQ_TOKEN_OFFSET 0x14
1762 #define GET_OP_REQ_TYPE_OFFSET 0x1a
1763 #define GET_OP_REQ_DATA_OFFSET 0x20
1765 mailbox
= mlx4_alloc_cmd_mailbox(dev
);
1766 if (IS_ERR(mailbox
)) {
1767 mlx4_err(dev
, "Failed to allocate mailbox for GET_OP_REQ\n");
1770 outbox
= mailbox
->buf
;
1773 err
= mlx4_cmd_box(dev
, 0, mailbox
->dma
, 0, 0,
1774 MLX4_CMD_GET_OP_REQ
, MLX4_CMD_TIME_CLASS_A
,
1777 mlx4_err(dev
, "Failed to retrieve required operation: %d\n",
1781 MLX4_GET(modifier
, outbox
, GET_OP_REQ_MODIFIER_OFFSET
);
1782 MLX4_GET(token
, outbox
, GET_OP_REQ_TOKEN_OFFSET
);
1783 MLX4_GET(type
, outbox
, GET_OP_REQ_TYPE_OFFSET
);
1788 if (dev
->caps
.steering_mode
==
1789 MLX4_STEERING_MODE_DEVICE_MANAGED
) {
1790 mlx4_warn(dev
, "ADD MCG operation is not supported in DEVICE_MANAGED steering mode\n");
1794 mgm
= (struct mlx4_mgm
*)((u8
*)(outbox
) +
1795 GET_OP_REQ_DATA_OFFSET
);
1796 num_qps
= be32_to_cpu(mgm
->members_count
) &
1798 rem_mcg
= ((u8
*)(&mgm
->members_count
))[0] & 1;
1799 prot
= ((u8
*)(&mgm
->members_count
))[0] >> 6;
1801 for (i
= 0; i
< num_qps
; i
++) {
1802 qp
.qpn
= be32_to_cpu(mgm
->qp
[i
]);
1804 err
= mlx4_multicast_detach(dev
, &qp
,
1808 err
= mlx4_multicast_attach(dev
, &qp
,
1818 mlx4_warn(dev
, "Bad type for required operation\n");
1822 err
= mlx4_cmd(dev
, 0, ((u32
) err
| cpu_to_be32(token
) << 16),
1823 1, MLX4_CMD_GET_OP_REQ
, MLX4_CMD_TIME_CLASS_A
,
1826 mlx4_err(dev
, "Failed to acknowledge required request: %d\n",
1830 memset(outbox
, 0, 0xffc);
1831 num_tasks
= atomic_dec_return(&priv
->opreq_count
);
1835 mlx4_free_cmd_mailbox(dev
, mailbox
);