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"
140 for (i
= 0; i
< ARRAY_SIZE(fname
); ++i
)
141 if (fname
[i
] && (flags
& (1LL << i
)))
142 mlx4_dbg(dev
, " %s\n", fname
[i
]);
145 int mlx4_MOD_STAT_CFG(struct mlx4_dev
*dev
, struct mlx4_mod_stat_cfg
*cfg
)
147 struct mlx4_cmd_mailbox
*mailbox
;
151 #define MOD_STAT_CFG_IN_SIZE 0x100
153 #define MOD_STAT_CFG_PG_SZ_M_OFFSET 0x002
154 #define MOD_STAT_CFG_PG_SZ_OFFSET 0x003
156 mailbox
= mlx4_alloc_cmd_mailbox(dev
);
158 return PTR_ERR(mailbox
);
159 inbox
= mailbox
->buf
;
161 memset(inbox
, 0, MOD_STAT_CFG_IN_SIZE
);
163 MLX4_PUT(inbox
, cfg
->log_pg_sz
, MOD_STAT_CFG_PG_SZ_OFFSET
);
164 MLX4_PUT(inbox
, cfg
->log_pg_sz_m
, MOD_STAT_CFG_PG_SZ_M_OFFSET
);
166 err
= mlx4_cmd(dev
, mailbox
->dma
, 0, 0, MLX4_CMD_MOD_STAT_CFG
,
167 MLX4_CMD_TIME_CLASS_A
, MLX4_CMD_NATIVE
);
169 mlx4_free_cmd_mailbox(dev
, mailbox
);
173 int mlx4_QUERY_FUNC_CAP_wrapper(struct mlx4_dev
*dev
, int slave
,
174 struct mlx4_vhcr
*vhcr
,
175 struct mlx4_cmd_mailbox
*inbox
,
176 struct mlx4_cmd_mailbox
*outbox
,
177 struct mlx4_cmd_info
*cmd
)
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 0x10
188 #define QUERY_FUNC_CAP_CQ_QUOTA_OFFSET 0x14
189 #define QUERY_FUNC_CAP_SRQ_QUOTA_OFFSET 0x18
190 #define QUERY_FUNC_CAP_MPT_QUOTA_OFFSET 0x20
191 #define QUERY_FUNC_CAP_MTT_QUOTA_OFFSET 0x24
192 #define QUERY_FUNC_CAP_MCG_QUOTA_OFFSET 0x28
193 #define QUERY_FUNC_CAP_MAX_EQ_OFFSET 0x2c
194 #define QUERY_FUNC_CAP_RESERVED_EQ_OFFSET 0x30
196 #define QUERY_FUNC_CAP_FMR_FLAG 0x80
197 #define QUERY_FUNC_CAP_FLAG_RDMA 0x40
198 #define QUERY_FUNC_CAP_FLAG_ETH 0x80
200 /* when opcode modifier = 1 */
201 #define QUERY_FUNC_CAP_PHYS_PORT_OFFSET 0x3
202 #define QUERY_FUNC_CAP_RDMA_PROPS_OFFSET 0x8
203 #define QUERY_FUNC_CAP_ETH_PROPS_OFFSET 0xc
205 #define QUERY_FUNC_CAP_QP0_TUNNEL 0x10
206 #define QUERY_FUNC_CAP_QP0_PROXY 0x14
207 #define QUERY_FUNC_CAP_QP1_TUNNEL 0x18
208 #define QUERY_FUNC_CAP_QP1_PROXY 0x1c
210 #define QUERY_FUNC_CAP_ETH_PROPS_FORCE_MAC 0x40
211 #define QUERY_FUNC_CAP_ETH_PROPS_FORCE_VLAN 0x80
213 #define QUERY_FUNC_CAP_RDMA_PROPS_FORCE_PHY_WQE_GID 0x80
215 if (vhcr
->op_modifier
== 1) {
217 /* ensure force vlan and force mac bits are not set */
218 MLX4_PUT(outbox
->buf
, field
, QUERY_FUNC_CAP_ETH_PROPS_OFFSET
);
219 /* ensure that phy_wqe_gid bit is not set */
220 MLX4_PUT(outbox
->buf
, field
, QUERY_FUNC_CAP_RDMA_PROPS_OFFSET
);
222 field
= vhcr
->in_modifier
; /* phys-port = logical-port */
223 MLX4_PUT(outbox
->buf
, field
, QUERY_FUNC_CAP_PHYS_PORT_OFFSET
);
225 /* size is now the QP number */
226 size
= dev
->phys_caps
.base_tunnel_sqpn
+ 8 * slave
+ field
- 1;
227 MLX4_PUT(outbox
->buf
, size
, QUERY_FUNC_CAP_QP0_TUNNEL
);
230 MLX4_PUT(outbox
->buf
, size
, QUERY_FUNC_CAP_QP1_TUNNEL
);
232 size
= dev
->phys_caps
.base_proxy_sqpn
+ 8 * slave
+ field
- 1;
233 MLX4_PUT(outbox
->buf
, size
, QUERY_FUNC_CAP_QP0_PROXY
);
236 MLX4_PUT(outbox
->buf
, size
, QUERY_FUNC_CAP_QP1_PROXY
);
238 } else if (vhcr
->op_modifier
== 0) {
239 /* enable rdma and ethernet interfaces */
240 field
= (QUERY_FUNC_CAP_FLAG_ETH
| QUERY_FUNC_CAP_FLAG_RDMA
);
241 MLX4_PUT(outbox
->buf
, field
, QUERY_FUNC_CAP_FLAGS_OFFSET
);
243 field
= dev
->caps
.num_ports
;
244 MLX4_PUT(outbox
->buf
, field
, QUERY_FUNC_CAP_NUM_PORTS_OFFSET
);
246 size
= dev
->caps
.function_caps
; /* set PF behaviours */
247 MLX4_PUT(outbox
->buf
, size
, QUERY_FUNC_CAP_PF_BHVR_OFFSET
);
249 field
= 0; /* protected FMR support not available as yet */
250 MLX4_PUT(outbox
->buf
, field
, QUERY_FUNC_CAP_FMR_OFFSET
);
252 size
= dev
->caps
.num_qps
;
253 MLX4_PUT(outbox
->buf
, size
, QUERY_FUNC_CAP_QP_QUOTA_OFFSET
);
255 size
= dev
->caps
.num_srqs
;
256 MLX4_PUT(outbox
->buf
, size
, QUERY_FUNC_CAP_SRQ_QUOTA_OFFSET
);
258 size
= dev
->caps
.num_cqs
;
259 MLX4_PUT(outbox
->buf
, size
, QUERY_FUNC_CAP_CQ_QUOTA_OFFSET
);
261 size
= dev
->caps
.num_eqs
;
262 MLX4_PUT(outbox
->buf
, size
, QUERY_FUNC_CAP_MAX_EQ_OFFSET
);
264 size
= dev
->caps
.reserved_eqs
;
265 MLX4_PUT(outbox
->buf
, size
, QUERY_FUNC_CAP_RESERVED_EQ_OFFSET
);
267 size
= dev
->caps
.num_mpts
;
268 MLX4_PUT(outbox
->buf
, size
, QUERY_FUNC_CAP_MPT_QUOTA_OFFSET
);
270 size
= dev
->caps
.num_mtts
;
271 MLX4_PUT(outbox
->buf
, size
, QUERY_FUNC_CAP_MTT_QUOTA_OFFSET
);
273 size
= dev
->caps
.num_mgms
+ dev
->caps
.num_amgms
;
274 MLX4_PUT(outbox
->buf
, size
, QUERY_FUNC_CAP_MCG_QUOTA_OFFSET
);
282 int mlx4_QUERY_FUNC_CAP(struct mlx4_dev
*dev
, u32 gen_or_port
,
283 struct mlx4_func_cap
*func_cap
)
285 struct mlx4_cmd_mailbox
*mailbox
;
287 u8 field
, op_modifier
;
291 op_modifier
= !!gen_or_port
; /* 0 = general, 1 = logical port */
293 mailbox
= mlx4_alloc_cmd_mailbox(dev
);
295 return PTR_ERR(mailbox
);
297 err
= mlx4_cmd_box(dev
, 0, mailbox
->dma
, gen_or_port
, op_modifier
,
298 MLX4_CMD_QUERY_FUNC_CAP
,
299 MLX4_CMD_TIME_CLASS_A
, MLX4_CMD_WRAPPED
);
303 outbox
= mailbox
->buf
;
306 MLX4_GET(field
, outbox
, QUERY_FUNC_CAP_FLAGS_OFFSET
);
307 if (!(field
& (QUERY_FUNC_CAP_FLAG_ETH
| QUERY_FUNC_CAP_FLAG_RDMA
))) {
308 mlx4_err(dev
, "The host supports neither eth nor rdma interfaces\n");
309 err
= -EPROTONOSUPPORT
;
312 func_cap
->flags
= field
;
314 MLX4_GET(field
, outbox
, QUERY_FUNC_CAP_NUM_PORTS_OFFSET
);
315 func_cap
->num_ports
= field
;
317 MLX4_GET(size
, outbox
, QUERY_FUNC_CAP_PF_BHVR_OFFSET
);
318 func_cap
->pf_context_behaviour
= size
;
320 MLX4_GET(size
, outbox
, QUERY_FUNC_CAP_QP_QUOTA_OFFSET
);
321 func_cap
->qp_quota
= size
& 0xFFFFFF;
323 MLX4_GET(size
, outbox
, QUERY_FUNC_CAP_SRQ_QUOTA_OFFSET
);
324 func_cap
->srq_quota
= size
& 0xFFFFFF;
326 MLX4_GET(size
, outbox
, QUERY_FUNC_CAP_CQ_QUOTA_OFFSET
);
327 func_cap
->cq_quota
= size
& 0xFFFFFF;
329 MLX4_GET(size
, outbox
, QUERY_FUNC_CAP_MAX_EQ_OFFSET
);
330 func_cap
->max_eq
= size
& 0xFFFFFF;
332 MLX4_GET(size
, outbox
, QUERY_FUNC_CAP_RESERVED_EQ_OFFSET
);
333 func_cap
->reserved_eq
= size
& 0xFFFFFF;
335 MLX4_GET(size
, outbox
, QUERY_FUNC_CAP_MPT_QUOTA_OFFSET
);
336 func_cap
->mpt_quota
= size
& 0xFFFFFF;
338 MLX4_GET(size
, outbox
, QUERY_FUNC_CAP_MTT_QUOTA_OFFSET
);
339 func_cap
->mtt_quota
= size
& 0xFFFFFF;
341 MLX4_GET(size
, outbox
, QUERY_FUNC_CAP_MCG_QUOTA_OFFSET
);
342 func_cap
->mcg_quota
= size
& 0xFFFFFF;
346 /* logical port query */
347 if (gen_or_port
> dev
->caps
.num_ports
) {
352 if (dev
->caps
.port_type
[gen_or_port
] == MLX4_PORT_TYPE_ETH
) {
353 MLX4_GET(field
, outbox
, QUERY_FUNC_CAP_ETH_PROPS_OFFSET
);
354 if (field
& QUERY_FUNC_CAP_ETH_PROPS_FORCE_VLAN
) {
355 mlx4_err(dev
, "VLAN is enforced on this port\n");
356 err
= -EPROTONOSUPPORT
;
360 if (field
& QUERY_FUNC_CAP_ETH_PROPS_FORCE_MAC
) {
361 mlx4_err(dev
, "Force mac is enabled on this port\n");
362 err
= -EPROTONOSUPPORT
;
365 } else if (dev
->caps
.port_type
[gen_or_port
] == MLX4_PORT_TYPE_IB
) {
366 MLX4_GET(field
, outbox
, QUERY_FUNC_CAP_RDMA_PROPS_OFFSET
);
367 if (field
& QUERY_FUNC_CAP_RDMA_PROPS_FORCE_PHY_WQE_GID
) {
368 mlx4_err(dev
, "phy_wqe_gid is "
369 "enforced on this ib port\n");
370 err
= -EPROTONOSUPPORT
;
375 MLX4_GET(field
, outbox
, QUERY_FUNC_CAP_PHYS_PORT_OFFSET
);
376 func_cap
->physical_port
= field
;
377 if (func_cap
->physical_port
!= gen_or_port
) {
382 MLX4_GET(size
, outbox
, QUERY_FUNC_CAP_QP0_TUNNEL
);
383 func_cap
->qp0_tunnel_qpn
= size
& 0xFFFFFF;
385 MLX4_GET(size
, outbox
, QUERY_FUNC_CAP_QP0_PROXY
);
386 func_cap
->qp0_proxy_qpn
= size
& 0xFFFFFF;
388 MLX4_GET(size
, outbox
, QUERY_FUNC_CAP_QP1_TUNNEL
);
389 func_cap
->qp1_tunnel_qpn
= size
& 0xFFFFFF;
391 MLX4_GET(size
, outbox
, QUERY_FUNC_CAP_QP1_PROXY
);
392 func_cap
->qp1_proxy_qpn
= size
& 0xFFFFFF;
394 /* All other resources are allocated by the master, but we still report
395 * 'num' and 'reserved' capabilities as follows:
396 * - num remains the maximum resource index
397 * - 'num - reserved' is the total available objects of a resource, but
398 * resource indices may be less than 'reserved'
399 * TODO: set per-resource quotas */
402 mlx4_free_cmd_mailbox(dev
, mailbox
);
407 int mlx4_QUERY_DEV_CAP(struct mlx4_dev
*dev
, struct mlx4_dev_cap
*dev_cap
)
409 struct mlx4_cmd_mailbox
*mailbox
;
412 u32 field32
, flags
, ext_flags
;
418 #define QUERY_DEV_CAP_OUT_SIZE 0x100
419 #define QUERY_DEV_CAP_MAX_SRQ_SZ_OFFSET 0x10
420 #define QUERY_DEV_CAP_MAX_QP_SZ_OFFSET 0x11
421 #define QUERY_DEV_CAP_RSVD_QP_OFFSET 0x12
422 #define QUERY_DEV_CAP_MAX_QP_OFFSET 0x13
423 #define QUERY_DEV_CAP_RSVD_SRQ_OFFSET 0x14
424 #define QUERY_DEV_CAP_MAX_SRQ_OFFSET 0x15
425 #define QUERY_DEV_CAP_RSVD_EEC_OFFSET 0x16
426 #define QUERY_DEV_CAP_MAX_EEC_OFFSET 0x17
427 #define QUERY_DEV_CAP_MAX_CQ_SZ_OFFSET 0x19
428 #define QUERY_DEV_CAP_RSVD_CQ_OFFSET 0x1a
429 #define QUERY_DEV_CAP_MAX_CQ_OFFSET 0x1b
430 #define QUERY_DEV_CAP_MAX_MPT_OFFSET 0x1d
431 #define QUERY_DEV_CAP_RSVD_EQ_OFFSET 0x1e
432 #define QUERY_DEV_CAP_MAX_EQ_OFFSET 0x1f
433 #define QUERY_DEV_CAP_RSVD_MTT_OFFSET 0x20
434 #define QUERY_DEV_CAP_MAX_MRW_SZ_OFFSET 0x21
435 #define QUERY_DEV_CAP_RSVD_MRW_OFFSET 0x22
436 #define QUERY_DEV_CAP_MAX_MTT_SEG_OFFSET 0x23
437 #define QUERY_DEV_CAP_MAX_AV_OFFSET 0x27
438 #define QUERY_DEV_CAP_MAX_REQ_QP_OFFSET 0x29
439 #define QUERY_DEV_CAP_MAX_RES_QP_OFFSET 0x2b
440 #define QUERY_DEV_CAP_MAX_GSO_OFFSET 0x2d
441 #define QUERY_DEV_CAP_RSS_OFFSET 0x2e
442 #define QUERY_DEV_CAP_MAX_RDMA_OFFSET 0x2f
443 #define QUERY_DEV_CAP_RSZ_SRQ_OFFSET 0x33
444 #define QUERY_DEV_CAP_ACK_DELAY_OFFSET 0x35
445 #define QUERY_DEV_CAP_MTU_WIDTH_OFFSET 0x36
446 #define QUERY_DEV_CAP_VL_PORT_OFFSET 0x37
447 #define QUERY_DEV_CAP_MAX_MSG_SZ_OFFSET 0x38
448 #define QUERY_DEV_CAP_MAX_GID_OFFSET 0x3b
449 #define QUERY_DEV_CAP_RATE_SUPPORT_OFFSET 0x3c
450 #define QUERY_DEV_CAP_CQ_TS_SUPPORT_OFFSET 0x3e
451 #define QUERY_DEV_CAP_MAX_PKEY_OFFSET 0x3f
452 #define QUERY_DEV_CAP_EXT_FLAGS_OFFSET 0x40
453 #define QUERY_DEV_CAP_FLAGS_OFFSET 0x44
454 #define QUERY_DEV_CAP_RSVD_UAR_OFFSET 0x48
455 #define QUERY_DEV_CAP_UAR_SZ_OFFSET 0x49
456 #define QUERY_DEV_CAP_PAGE_SZ_OFFSET 0x4b
457 #define QUERY_DEV_CAP_BF_OFFSET 0x4c
458 #define QUERY_DEV_CAP_LOG_BF_REG_SZ_OFFSET 0x4d
459 #define QUERY_DEV_CAP_LOG_MAX_BF_REGS_PER_PAGE_OFFSET 0x4e
460 #define QUERY_DEV_CAP_LOG_MAX_BF_PAGES_OFFSET 0x4f
461 #define QUERY_DEV_CAP_MAX_SG_SQ_OFFSET 0x51
462 #define QUERY_DEV_CAP_MAX_DESC_SZ_SQ_OFFSET 0x52
463 #define QUERY_DEV_CAP_MAX_SG_RQ_OFFSET 0x55
464 #define QUERY_DEV_CAP_MAX_DESC_SZ_RQ_OFFSET 0x56
465 #define QUERY_DEV_CAP_MAX_QP_MCG_OFFSET 0x61
466 #define QUERY_DEV_CAP_RSVD_MCG_OFFSET 0x62
467 #define QUERY_DEV_CAP_MAX_MCG_OFFSET 0x63
468 #define QUERY_DEV_CAP_RSVD_PD_OFFSET 0x64
469 #define QUERY_DEV_CAP_MAX_PD_OFFSET 0x65
470 #define QUERY_DEV_CAP_RSVD_XRC_OFFSET 0x66
471 #define QUERY_DEV_CAP_MAX_XRC_OFFSET 0x67
472 #define QUERY_DEV_CAP_MAX_COUNTERS_OFFSET 0x68
473 #define QUERY_DEV_CAP_EXT_2_FLAGS_OFFSET 0x70
474 #define QUERY_DEV_CAP_FLOW_STEERING_RANGE_EN_OFFSET 0x76
475 #define QUERY_DEV_CAP_FLOW_STEERING_MAX_QP_OFFSET 0x77
476 #define QUERY_DEV_CAP_RDMARC_ENTRY_SZ_OFFSET 0x80
477 #define QUERY_DEV_CAP_QPC_ENTRY_SZ_OFFSET 0x82
478 #define QUERY_DEV_CAP_AUX_ENTRY_SZ_OFFSET 0x84
479 #define QUERY_DEV_CAP_ALTC_ENTRY_SZ_OFFSET 0x86
480 #define QUERY_DEV_CAP_EQC_ENTRY_SZ_OFFSET 0x88
481 #define QUERY_DEV_CAP_CQC_ENTRY_SZ_OFFSET 0x8a
482 #define QUERY_DEV_CAP_SRQ_ENTRY_SZ_OFFSET 0x8c
483 #define QUERY_DEV_CAP_C_MPT_ENTRY_SZ_OFFSET 0x8e
484 #define QUERY_DEV_CAP_MTT_ENTRY_SZ_OFFSET 0x90
485 #define QUERY_DEV_CAP_D_MPT_ENTRY_SZ_OFFSET 0x92
486 #define QUERY_DEV_CAP_BMME_FLAGS_OFFSET 0x94
487 #define QUERY_DEV_CAP_RSVD_LKEY_OFFSET 0x98
488 #define QUERY_DEV_CAP_MAX_ICM_SZ_OFFSET 0xa0
489 #define QUERY_DEV_CAP_FW_REASSIGN_MAC 0x9d
492 mailbox
= mlx4_alloc_cmd_mailbox(dev
);
494 return PTR_ERR(mailbox
);
495 outbox
= mailbox
->buf
;
497 err
= mlx4_cmd_box(dev
, 0, mailbox
->dma
, 0, 0, MLX4_CMD_QUERY_DEV_CAP
,
498 MLX4_CMD_TIME_CLASS_A
, MLX4_CMD_NATIVE
);
502 MLX4_GET(field
, outbox
, QUERY_DEV_CAP_RSVD_QP_OFFSET
);
503 dev_cap
->reserved_qps
= 1 << (field
& 0xf);
504 MLX4_GET(field
, outbox
, QUERY_DEV_CAP_MAX_QP_OFFSET
);
505 dev_cap
->max_qps
= 1 << (field
& 0x1f);
506 MLX4_GET(field
, outbox
, QUERY_DEV_CAP_RSVD_SRQ_OFFSET
);
507 dev_cap
->reserved_srqs
= 1 << (field
>> 4);
508 MLX4_GET(field
, outbox
, QUERY_DEV_CAP_MAX_SRQ_OFFSET
);
509 dev_cap
->max_srqs
= 1 << (field
& 0x1f);
510 MLX4_GET(field
, outbox
, QUERY_DEV_CAP_MAX_CQ_SZ_OFFSET
);
511 dev_cap
->max_cq_sz
= 1 << field
;
512 MLX4_GET(field
, outbox
, QUERY_DEV_CAP_RSVD_CQ_OFFSET
);
513 dev_cap
->reserved_cqs
= 1 << (field
& 0xf);
514 MLX4_GET(field
, outbox
, QUERY_DEV_CAP_MAX_CQ_OFFSET
);
515 dev_cap
->max_cqs
= 1 << (field
& 0x1f);
516 MLX4_GET(field
, outbox
, QUERY_DEV_CAP_MAX_MPT_OFFSET
);
517 dev_cap
->max_mpts
= 1 << (field
& 0x3f);
518 MLX4_GET(field
, outbox
, QUERY_DEV_CAP_RSVD_EQ_OFFSET
);
519 dev_cap
->reserved_eqs
= field
& 0xf;
520 MLX4_GET(field
, outbox
, QUERY_DEV_CAP_MAX_EQ_OFFSET
);
521 dev_cap
->max_eqs
= 1 << (field
& 0xf);
522 MLX4_GET(field
, outbox
, QUERY_DEV_CAP_RSVD_MTT_OFFSET
);
523 dev_cap
->reserved_mtts
= 1 << (field
>> 4);
524 MLX4_GET(field
, outbox
, QUERY_DEV_CAP_MAX_MRW_SZ_OFFSET
);
525 dev_cap
->max_mrw_sz
= 1 << field
;
526 MLX4_GET(field
, outbox
, QUERY_DEV_CAP_RSVD_MRW_OFFSET
);
527 dev_cap
->reserved_mrws
= 1 << (field
& 0xf);
528 MLX4_GET(field
, outbox
, QUERY_DEV_CAP_MAX_MTT_SEG_OFFSET
);
529 dev_cap
->max_mtt_seg
= 1 << (field
& 0x3f);
530 MLX4_GET(field
, outbox
, QUERY_DEV_CAP_MAX_REQ_QP_OFFSET
);
531 dev_cap
->max_requester_per_qp
= 1 << (field
& 0x3f);
532 MLX4_GET(field
, outbox
, QUERY_DEV_CAP_MAX_RES_QP_OFFSET
);
533 dev_cap
->max_responder_per_qp
= 1 << (field
& 0x3f);
534 MLX4_GET(field
, outbox
, QUERY_DEV_CAP_MAX_GSO_OFFSET
);
537 dev_cap
->max_gso_sz
= 0;
539 dev_cap
->max_gso_sz
= 1 << field
;
541 MLX4_GET(field
, outbox
, QUERY_DEV_CAP_RSS_OFFSET
);
543 dev_cap
->flags2
|= MLX4_DEV_CAP_FLAG2_RSS_XOR
;
545 dev_cap
->flags2
|= MLX4_DEV_CAP_FLAG2_RSS_TOP
;
548 dev_cap
->flags2
|= MLX4_DEV_CAP_FLAG2_RSS
;
549 dev_cap
->max_rss_tbl_sz
= 1 << field
;
551 dev_cap
->max_rss_tbl_sz
= 0;
552 MLX4_GET(field
, outbox
, QUERY_DEV_CAP_MAX_RDMA_OFFSET
);
553 dev_cap
->max_rdma_global
= 1 << (field
& 0x3f);
554 MLX4_GET(field
, outbox
, QUERY_DEV_CAP_ACK_DELAY_OFFSET
);
555 dev_cap
->local_ca_ack_delay
= field
& 0x1f;
556 MLX4_GET(field
, outbox
, QUERY_DEV_CAP_VL_PORT_OFFSET
);
557 dev_cap
->num_ports
= field
& 0xf;
558 MLX4_GET(field
, outbox
, QUERY_DEV_CAP_MAX_MSG_SZ_OFFSET
);
559 dev_cap
->max_msg_sz
= 1 << (field
& 0x1f);
560 MLX4_GET(field
, outbox
, QUERY_DEV_CAP_FLOW_STEERING_RANGE_EN_OFFSET
);
562 dev_cap
->flags2
|= MLX4_DEV_CAP_FLAG2_FS_EN
;
563 dev_cap
->fs_log_max_ucast_qp_range_size
= field
& 0x1f;
564 MLX4_GET(field
, outbox
, QUERY_DEV_CAP_FLOW_STEERING_MAX_QP_OFFSET
);
565 dev_cap
->fs_max_num_qp_per_entry
= field
;
566 MLX4_GET(stat_rate
, outbox
, QUERY_DEV_CAP_RATE_SUPPORT_OFFSET
);
567 dev_cap
->stat_rate_support
= stat_rate
;
568 MLX4_GET(field
, outbox
, QUERY_DEV_CAP_CQ_TS_SUPPORT_OFFSET
);
570 dev_cap
->flags2
|= MLX4_DEV_CAP_FLAG2_TS
;
571 MLX4_GET(ext_flags
, outbox
, QUERY_DEV_CAP_EXT_FLAGS_OFFSET
);
572 MLX4_GET(flags
, outbox
, QUERY_DEV_CAP_FLAGS_OFFSET
);
573 dev_cap
->flags
= flags
| (u64
)ext_flags
<< 32;
574 MLX4_GET(field
, outbox
, QUERY_DEV_CAP_RSVD_UAR_OFFSET
);
575 dev_cap
->reserved_uars
= field
>> 4;
576 MLX4_GET(field
, outbox
, QUERY_DEV_CAP_UAR_SZ_OFFSET
);
577 dev_cap
->uar_size
= 1 << ((field
& 0x3f) + 20);
578 MLX4_GET(field
, outbox
, QUERY_DEV_CAP_PAGE_SZ_OFFSET
);
579 dev_cap
->min_page_sz
= 1 << field
;
581 MLX4_GET(field
, outbox
, QUERY_DEV_CAP_BF_OFFSET
);
583 MLX4_GET(field
, outbox
, QUERY_DEV_CAP_LOG_BF_REG_SZ_OFFSET
);
584 dev_cap
->bf_reg_size
= 1 << (field
& 0x1f);
585 MLX4_GET(field
, outbox
, QUERY_DEV_CAP_LOG_MAX_BF_REGS_PER_PAGE_OFFSET
);
586 if ((1 << (field
& 0x3f)) > (PAGE_SIZE
/ dev_cap
->bf_reg_size
))
588 dev_cap
->bf_regs_per_page
= 1 << (field
& 0x3f);
589 mlx4_dbg(dev
, "BlueFlame available (reg size %d, regs/page %d)\n",
590 dev_cap
->bf_reg_size
, dev_cap
->bf_regs_per_page
);
592 dev_cap
->bf_reg_size
= 0;
593 mlx4_dbg(dev
, "BlueFlame not available\n");
596 MLX4_GET(field
, outbox
, QUERY_DEV_CAP_MAX_SG_SQ_OFFSET
);
597 dev_cap
->max_sq_sg
= field
;
598 MLX4_GET(size
, outbox
, QUERY_DEV_CAP_MAX_DESC_SZ_SQ_OFFSET
);
599 dev_cap
->max_sq_desc_sz
= size
;
601 MLX4_GET(field
, outbox
, QUERY_DEV_CAP_MAX_QP_MCG_OFFSET
);
602 dev_cap
->max_qp_per_mcg
= 1 << field
;
603 MLX4_GET(field
, outbox
, QUERY_DEV_CAP_RSVD_MCG_OFFSET
);
604 dev_cap
->reserved_mgms
= field
& 0xf;
605 MLX4_GET(field
, outbox
, QUERY_DEV_CAP_MAX_MCG_OFFSET
);
606 dev_cap
->max_mcgs
= 1 << field
;
607 MLX4_GET(field
, outbox
, QUERY_DEV_CAP_RSVD_PD_OFFSET
);
608 dev_cap
->reserved_pds
= field
>> 4;
609 MLX4_GET(field
, outbox
, QUERY_DEV_CAP_MAX_PD_OFFSET
);
610 dev_cap
->max_pds
= 1 << (field
& 0x3f);
611 MLX4_GET(field
, outbox
, QUERY_DEV_CAP_RSVD_XRC_OFFSET
);
612 dev_cap
->reserved_xrcds
= field
>> 4;
613 MLX4_GET(field
, outbox
, QUERY_DEV_CAP_MAX_XRC_OFFSET
);
614 dev_cap
->max_xrcds
= 1 << (field
& 0x1f);
616 MLX4_GET(size
, outbox
, QUERY_DEV_CAP_RDMARC_ENTRY_SZ_OFFSET
);
617 dev_cap
->rdmarc_entry_sz
= size
;
618 MLX4_GET(size
, outbox
, QUERY_DEV_CAP_QPC_ENTRY_SZ_OFFSET
);
619 dev_cap
->qpc_entry_sz
= size
;
620 MLX4_GET(size
, outbox
, QUERY_DEV_CAP_AUX_ENTRY_SZ_OFFSET
);
621 dev_cap
->aux_entry_sz
= size
;
622 MLX4_GET(size
, outbox
, QUERY_DEV_CAP_ALTC_ENTRY_SZ_OFFSET
);
623 dev_cap
->altc_entry_sz
= size
;
624 MLX4_GET(size
, outbox
, QUERY_DEV_CAP_EQC_ENTRY_SZ_OFFSET
);
625 dev_cap
->eqc_entry_sz
= size
;
626 MLX4_GET(size
, outbox
, QUERY_DEV_CAP_CQC_ENTRY_SZ_OFFSET
);
627 dev_cap
->cqc_entry_sz
= size
;
628 MLX4_GET(size
, outbox
, QUERY_DEV_CAP_SRQ_ENTRY_SZ_OFFSET
);
629 dev_cap
->srq_entry_sz
= size
;
630 MLX4_GET(size
, outbox
, QUERY_DEV_CAP_C_MPT_ENTRY_SZ_OFFSET
);
631 dev_cap
->cmpt_entry_sz
= size
;
632 MLX4_GET(size
, outbox
, QUERY_DEV_CAP_MTT_ENTRY_SZ_OFFSET
);
633 dev_cap
->mtt_entry_sz
= size
;
634 MLX4_GET(size
, outbox
, QUERY_DEV_CAP_D_MPT_ENTRY_SZ_OFFSET
);
635 dev_cap
->dmpt_entry_sz
= size
;
637 MLX4_GET(field
, outbox
, QUERY_DEV_CAP_MAX_SRQ_SZ_OFFSET
);
638 dev_cap
->max_srq_sz
= 1 << field
;
639 MLX4_GET(field
, outbox
, QUERY_DEV_CAP_MAX_QP_SZ_OFFSET
);
640 dev_cap
->max_qp_sz
= 1 << field
;
641 MLX4_GET(field
, outbox
, QUERY_DEV_CAP_RSZ_SRQ_OFFSET
);
642 dev_cap
->resize_srq
= field
& 1;
643 MLX4_GET(field
, outbox
, QUERY_DEV_CAP_MAX_SG_RQ_OFFSET
);
644 dev_cap
->max_rq_sg
= field
;
645 MLX4_GET(size
, outbox
, QUERY_DEV_CAP_MAX_DESC_SZ_RQ_OFFSET
);
646 dev_cap
->max_rq_desc_sz
= size
;
648 MLX4_GET(dev_cap
->bmme_flags
, outbox
,
649 QUERY_DEV_CAP_BMME_FLAGS_OFFSET
);
650 MLX4_GET(dev_cap
->reserved_lkey
, outbox
,
651 QUERY_DEV_CAP_RSVD_LKEY_OFFSET
);
652 MLX4_GET(field
, outbox
, QUERY_DEV_CAP_FW_REASSIGN_MAC
);
654 dev_cap
->flags2
|= MLX4_DEV_CAP_FLAGS2_REASSIGN_MAC_EN
;
655 MLX4_GET(dev_cap
->max_icm_sz
, outbox
,
656 QUERY_DEV_CAP_MAX_ICM_SZ_OFFSET
);
657 if (dev_cap
->flags
& MLX4_DEV_CAP_FLAG_COUNTERS
)
658 MLX4_GET(dev_cap
->max_counters
, outbox
,
659 QUERY_DEV_CAP_MAX_COUNTERS_OFFSET
);
661 MLX4_GET(field32
, outbox
, QUERY_DEV_CAP_EXT_2_FLAGS_OFFSET
);
662 if (field32
& (1 << 26))
663 dev_cap
->flags2
|= MLX4_DEV_CAP_FLAG2_VLAN_CONTROL
;
664 if (field32
& (1 << 20))
665 dev_cap
->flags2
|= MLX4_DEV_CAP_FLAG2_FSM
;
667 if (dev
->flags
& MLX4_FLAG_OLD_PORT_CMDS
) {
668 for (i
= 1; i
<= dev_cap
->num_ports
; ++i
) {
669 MLX4_GET(field
, outbox
, QUERY_DEV_CAP_VL_PORT_OFFSET
);
670 dev_cap
->max_vl
[i
] = field
>> 4;
671 MLX4_GET(field
, outbox
, QUERY_DEV_CAP_MTU_WIDTH_OFFSET
);
672 dev_cap
->ib_mtu
[i
] = field
>> 4;
673 dev_cap
->max_port_width
[i
] = field
& 0xf;
674 MLX4_GET(field
, outbox
, QUERY_DEV_CAP_MAX_GID_OFFSET
);
675 dev_cap
->max_gids
[i
] = 1 << (field
& 0xf);
676 MLX4_GET(field
, outbox
, QUERY_DEV_CAP_MAX_PKEY_OFFSET
);
677 dev_cap
->max_pkeys
[i
] = 1 << (field
& 0xf);
680 #define QUERY_PORT_SUPPORTED_TYPE_OFFSET 0x00
681 #define QUERY_PORT_MTU_OFFSET 0x01
682 #define QUERY_PORT_ETH_MTU_OFFSET 0x02
683 #define QUERY_PORT_WIDTH_OFFSET 0x06
684 #define QUERY_PORT_MAX_GID_PKEY_OFFSET 0x07
685 #define QUERY_PORT_MAX_MACVLAN_OFFSET 0x0a
686 #define QUERY_PORT_MAX_VL_OFFSET 0x0b
687 #define QUERY_PORT_MAC_OFFSET 0x10
688 #define QUERY_PORT_TRANS_VENDOR_OFFSET 0x18
689 #define QUERY_PORT_WAVELENGTH_OFFSET 0x1c
690 #define QUERY_PORT_TRANS_CODE_OFFSET 0x20
692 for (i
= 1; i
<= dev_cap
->num_ports
; ++i
) {
693 err
= mlx4_cmd_box(dev
, 0, mailbox
->dma
, i
, 0, MLX4_CMD_QUERY_PORT
,
694 MLX4_CMD_TIME_CLASS_B
, MLX4_CMD_NATIVE
);
698 MLX4_GET(field
, outbox
, QUERY_PORT_SUPPORTED_TYPE_OFFSET
);
699 dev_cap
->supported_port_types
[i
] = field
& 3;
700 dev_cap
->suggested_type
[i
] = (field
>> 3) & 1;
701 dev_cap
->default_sense
[i
] = (field
>> 4) & 1;
702 MLX4_GET(field
, outbox
, QUERY_PORT_MTU_OFFSET
);
703 dev_cap
->ib_mtu
[i
] = field
& 0xf;
704 MLX4_GET(field
, outbox
, QUERY_PORT_WIDTH_OFFSET
);
705 dev_cap
->max_port_width
[i
] = field
& 0xf;
706 MLX4_GET(field
, outbox
, QUERY_PORT_MAX_GID_PKEY_OFFSET
);
707 dev_cap
->max_gids
[i
] = 1 << (field
>> 4);
708 dev_cap
->max_pkeys
[i
] = 1 << (field
& 0xf);
709 MLX4_GET(field
, outbox
, QUERY_PORT_MAX_VL_OFFSET
);
710 dev_cap
->max_vl
[i
] = field
& 0xf;
711 MLX4_GET(field
, outbox
, QUERY_PORT_MAX_MACVLAN_OFFSET
);
712 dev_cap
->log_max_macs
[i
] = field
& 0xf;
713 dev_cap
->log_max_vlans
[i
] = field
>> 4;
714 MLX4_GET(dev_cap
->eth_mtu
[i
], outbox
, QUERY_PORT_ETH_MTU_OFFSET
);
715 MLX4_GET(dev_cap
->def_mac
[i
], outbox
, QUERY_PORT_MAC_OFFSET
);
716 MLX4_GET(field32
, outbox
, QUERY_PORT_TRANS_VENDOR_OFFSET
);
717 dev_cap
->trans_type
[i
] = field32
>> 24;
718 dev_cap
->vendor_oui
[i
] = field32
& 0xffffff;
719 MLX4_GET(dev_cap
->wavelength
[i
], outbox
, QUERY_PORT_WAVELENGTH_OFFSET
);
720 MLX4_GET(dev_cap
->trans_code
[i
], outbox
, QUERY_PORT_TRANS_CODE_OFFSET
);
724 mlx4_dbg(dev
, "Base MM extensions: flags %08x, rsvd L_Key %08x\n",
725 dev_cap
->bmme_flags
, dev_cap
->reserved_lkey
);
728 * Each UAR has 4 EQ doorbells; so if a UAR is reserved, then
729 * we can't use any EQs whose doorbell falls on that page,
730 * even if the EQ itself isn't reserved.
732 dev_cap
->reserved_eqs
= max(dev_cap
->reserved_uars
* 4,
733 dev_cap
->reserved_eqs
);
735 mlx4_dbg(dev
, "Max ICM size %lld MB\n",
736 (unsigned long long) dev_cap
->max_icm_sz
>> 20);
737 mlx4_dbg(dev
, "Max QPs: %d, reserved QPs: %d, entry size: %d\n",
738 dev_cap
->max_qps
, dev_cap
->reserved_qps
, dev_cap
->qpc_entry_sz
);
739 mlx4_dbg(dev
, "Max SRQs: %d, reserved SRQs: %d, entry size: %d\n",
740 dev_cap
->max_srqs
, dev_cap
->reserved_srqs
, dev_cap
->srq_entry_sz
);
741 mlx4_dbg(dev
, "Max CQs: %d, reserved CQs: %d, entry size: %d\n",
742 dev_cap
->max_cqs
, dev_cap
->reserved_cqs
, dev_cap
->cqc_entry_sz
);
743 mlx4_dbg(dev
, "Max EQs: %d, reserved EQs: %d, entry size: %d\n",
744 dev_cap
->max_eqs
, dev_cap
->reserved_eqs
, dev_cap
->eqc_entry_sz
);
745 mlx4_dbg(dev
, "reserved MPTs: %d, reserved MTTs: %d\n",
746 dev_cap
->reserved_mrws
, dev_cap
->reserved_mtts
);
747 mlx4_dbg(dev
, "Max PDs: %d, reserved PDs: %d, reserved UARs: %d\n",
748 dev_cap
->max_pds
, dev_cap
->reserved_pds
, dev_cap
->reserved_uars
);
749 mlx4_dbg(dev
, "Max QP/MCG: %d, reserved MGMs: %d\n",
750 dev_cap
->max_pds
, dev_cap
->reserved_mgms
);
751 mlx4_dbg(dev
, "Max CQEs: %d, max WQEs: %d, max SRQ WQEs: %d\n",
752 dev_cap
->max_cq_sz
, dev_cap
->max_qp_sz
, dev_cap
->max_srq_sz
);
753 mlx4_dbg(dev
, "Local CA ACK delay: %d, max MTU: %d, port width cap: %d\n",
754 dev_cap
->local_ca_ack_delay
, 128 << dev_cap
->ib_mtu
[1],
755 dev_cap
->max_port_width
[1]);
756 mlx4_dbg(dev
, "Max SQ desc size: %d, max SQ S/G: %d\n",
757 dev_cap
->max_sq_desc_sz
, dev_cap
->max_sq_sg
);
758 mlx4_dbg(dev
, "Max RQ desc size: %d, max RQ S/G: %d\n",
759 dev_cap
->max_rq_desc_sz
, dev_cap
->max_rq_sg
);
760 mlx4_dbg(dev
, "Max GSO size: %d\n", dev_cap
->max_gso_sz
);
761 mlx4_dbg(dev
, "Max counters: %d\n", dev_cap
->max_counters
);
762 mlx4_dbg(dev
, "Max RSS Table size: %d\n", dev_cap
->max_rss_tbl_sz
);
764 dump_dev_cap_flags(dev
, dev_cap
->flags
);
765 dump_dev_cap_flags2(dev
, dev_cap
->flags2
);
768 mlx4_free_cmd_mailbox(dev
, mailbox
);
772 int mlx4_QUERY_DEV_CAP_wrapper(struct mlx4_dev
*dev
, int slave
,
773 struct mlx4_vhcr
*vhcr
,
774 struct mlx4_cmd_mailbox
*inbox
,
775 struct mlx4_cmd_mailbox
*outbox
,
776 struct mlx4_cmd_info
*cmd
)
783 err
= mlx4_cmd_box(dev
, 0, outbox
->dma
, 0, 0, MLX4_CMD_QUERY_DEV_CAP
,
784 MLX4_CMD_TIME_CLASS_A
, MLX4_CMD_NATIVE
);
788 /* add port mng change event capability and disable mw type 1
789 * unconditionally to slaves
791 MLX4_GET(flags
, outbox
->buf
, QUERY_DEV_CAP_EXT_FLAGS_OFFSET
);
792 flags
|= MLX4_DEV_CAP_FLAG_PORT_MNG_CHG_EV
;
793 flags
&= ~MLX4_DEV_CAP_FLAG_MEM_WINDOW
;
794 MLX4_PUT(outbox
->buf
, flags
, QUERY_DEV_CAP_EXT_FLAGS_OFFSET
);
796 /* For guests, disable timestamp */
797 MLX4_GET(field
, outbox
->buf
, QUERY_DEV_CAP_CQ_TS_SUPPORT_OFFSET
);
799 MLX4_PUT(outbox
->buf
, field
, QUERY_DEV_CAP_CQ_TS_SUPPORT_OFFSET
);
801 /* For guests, report Blueflame disabled */
802 MLX4_GET(field
, outbox
->buf
, QUERY_DEV_CAP_BF_OFFSET
);
804 MLX4_PUT(outbox
->buf
, field
, QUERY_DEV_CAP_BF_OFFSET
);
806 /* For guests, disable mw type 2 */
807 MLX4_GET(bmme_flags
, outbox
, QUERY_DEV_CAP_BMME_FLAGS_OFFSET
);
808 bmme_flags
&= ~MLX4_BMME_FLAG_TYPE_2_WIN
;
809 MLX4_PUT(outbox
->buf
, bmme_flags
, QUERY_DEV_CAP_BMME_FLAGS_OFFSET
);
811 /* turn off device-managed steering capability if not enabled */
812 if (dev
->caps
.steering_mode
!= MLX4_STEERING_MODE_DEVICE_MANAGED
) {
813 MLX4_GET(field
, outbox
->buf
,
814 QUERY_DEV_CAP_FLOW_STEERING_RANGE_EN_OFFSET
);
816 MLX4_PUT(outbox
->buf
, field
,
817 QUERY_DEV_CAP_FLOW_STEERING_RANGE_EN_OFFSET
);
822 int mlx4_QUERY_PORT_wrapper(struct mlx4_dev
*dev
, int slave
,
823 struct mlx4_vhcr
*vhcr
,
824 struct mlx4_cmd_mailbox
*inbox
,
825 struct mlx4_cmd_mailbox
*outbox
,
826 struct mlx4_cmd_info
*cmd
)
828 struct mlx4_priv
*priv
= mlx4_priv(dev
);
834 #define MLX4_VF_PORT_NO_LINK_SENSE_MASK 0xE0
835 #define QUERY_PORT_CUR_MAX_PKEY_OFFSET 0x0c
836 #define QUERY_PORT_CUR_MAX_GID_OFFSET 0x0e
838 err
= mlx4_cmd_box(dev
, 0, outbox
->dma
, vhcr
->in_modifier
, 0,
839 MLX4_CMD_QUERY_PORT
, MLX4_CMD_TIME_CLASS_B
,
842 if (!err
&& dev
->caps
.function
!= slave
) {
843 def_mac
= priv
->mfunc
.master
.vf_oper
[slave
].vport
[vhcr
->in_modifier
].state
.mac
;
844 MLX4_PUT(outbox
->buf
, def_mac
, QUERY_PORT_MAC_OFFSET
);
846 /* get port type - currently only eth is enabled */
847 MLX4_GET(port_type
, outbox
->buf
,
848 QUERY_PORT_SUPPORTED_TYPE_OFFSET
);
850 /* No link sensing allowed */
851 port_type
&= MLX4_VF_PORT_NO_LINK_SENSE_MASK
;
852 /* set port type to currently operating port type */
853 port_type
|= (dev
->caps
.port_type
[vhcr
->in_modifier
] & 0x3);
855 MLX4_PUT(outbox
->buf
, port_type
,
856 QUERY_PORT_SUPPORTED_TYPE_OFFSET
);
858 short_field
= 1; /* slave max gids */
859 MLX4_PUT(outbox
->buf
, short_field
,
860 QUERY_PORT_CUR_MAX_GID_OFFSET
);
862 short_field
= dev
->caps
.pkey_table_len
[vhcr
->in_modifier
];
863 MLX4_PUT(outbox
->buf
, short_field
,
864 QUERY_PORT_CUR_MAX_PKEY_OFFSET
);
870 int mlx4_get_slave_pkey_gid_tbl_len(struct mlx4_dev
*dev
, u8 port
,
871 int *gid_tbl_len
, int *pkey_tbl_len
)
873 struct mlx4_cmd_mailbox
*mailbox
;
878 mailbox
= mlx4_alloc_cmd_mailbox(dev
);
880 return PTR_ERR(mailbox
);
882 err
= mlx4_cmd_box(dev
, 0, mailbox
->dma
, port
, 0,
883 MLX4_CMD_QUERY_PORT
, MLX4_CMD_TIME_CLASS_B
,
888 outbox
= mailbox
->buf
;
890 MLX4_GET(field
, outbox
, QUERY_PORT_CUR_MAX_GID_OFFSET
);
891 *gid_tbl_len
= field
;
893 MLX4_GET(field
, outbox
, QUERY_PORT_CUR_MAX_PKEY_OFFSET
);
894 *pkey_tbl_len
= field
;
897 mlx4_free_cmd_mailbox(dev
, mailbox
);
900 EXPORT_SYMBOL(mlx4_get_slave_pkey_gid_tbl_len
);
902 int mlx4_map_cmd(struct mlx4_dev
*dev
, u16 op
, struct mlx4_icm
*icm
, u64 virt
)
904 struct mlx4_cmd_mailbox
*mailbox
;
905 struct mlx4_icm_iter iter
;
913 mailbox
= mlx4_alloc_cmd_mailbox(dev
);
915 return PTR_ERR(mailbox
);
916 memset(mailbox
->buf
, 0, MLX4_MAILBOX_SIZE
);
917 pages
= mailbox
->buf
;
919 for (mlx4_icm_first(icm
, &iter
);
920 !mlx4_icm_last(&iter
);
921 mlx4_icm_next(&iter
)) {
923 * We have to pass pages that are aligned to their
924 * size, so find the least significant 1 in the
925 * address or size and use that as our log2 size.
927 lg
= ffs(mlx4_icm_addr(&iter
) | mlx4_icm_size(&iter
)) - 1;
928 if (lg
< MLX4_ICM_PAGE_SHIFT
) {
929 mlx4_warn(dev
, "Got FW area not aligned to %d (%llx/%lx).\n",
931 (unsigned long long) mlx4_icm_addr(&iter
),
932 mlx4_icm_size(&iter
));
937 for (i
= 0; i
< mlx4_icm_size(&iter
) >> lg
; ++i
) {
939 pages
[nent
* 2] = cpu_to_be64(virt
);
943 pages
[nent
* 2 + 1] =
944 cpu_to_be64((mlx4_icm_addr(&iter
) + (i
<< lg
)) |
945 (lg
- MLX4_ICM_PAGE_SHIFT
));
946 ts
+= 1 << (lg
- 10);
949 if (++nent
== MLX4_MAILBOX_SIZE
/ 16) {
950 err
= mlx4_cmd(dev
, mailbox
->dma
, nent
, 0, op
,
951 MLX4_CMD_TIME_CLASS_B
,
961 err
= mlx4_cmd(dev
, mailbox
->dma
, nent
, 0, op
,
962 MLX4_CMD_TIME_CLASS_B
, MLX4_CMD_NATIVE
);
967 case MLX4_CMD_MAP_FA
:
968 mlx4_dbg(dev
, "Mapped %d chunks/%d KB for FW.\n", tc
, ts
);
970 case MLX4_CMD_MAP_ICM_AUX
:
971 mlx4_dbg(dev
, "Mapped %d chunks/%d KB for ICM aux.\n", tc
, ts
);
973 case MLX4_CMD_MAP_ICM
:
974 mlx4_dbg(dev
, "Mapped %d chunks/%d KB at %llx for ICM.\n",
975 tc
, ts
, (unsigned long long) virt
- (ts
<< 10));
980 mlx4_free_cmd_mailbox(dev
, mailbox
);
984 int mlx4_MAP_FA(struct mlx4_dev
*dev
, struct mlx4_icm
*icm
)
986 return mlx4_map_cmd(dev
, MLX4_CMD_MAP_FA
, icm
, -1);
989 int mlx4_UNMAP_FA(struct mlx4_dev
*dev
)
991 return mlx4_cmd(dev
, 0, 0, 0, MLX4_CMD_UNMAP_FA
,
992 MLX4_CMD_TIME_CLASS_B
, MLX4_CMD_NATIVE
);
996 int mlx4_RUN_FW(struct mlx4_dev
*dev
)
998 return mlx4_cmd(dev
, 0, 0, 0, MLX4_CMD_RUN_FW
,
999 MLX4_CMD_TIME_CLASS_A
, MLX4_CMD_NATIVE
);
1002 int mlx4_QUERY_FW(struct mlx4_dev
*dev
)
1004 struct mlx4_fw
*fw
= &mlx4_priv(dev
)->fw
;
1005 struct mlx4_cmd
*cmd
= &mlx4_priv(dev
)->cmd
;
1006 struct mlx4_cmd_mailbox
*mailbox
;
1013 #define QUERY_FW_OUT_SIZE 0x100
1014 #define QUERY_FW_VER_OFFSET 0x00
1015 #define QUERY_FW_PPF_ID 0x09
1016 #define QUERY_FW_CMD_IF_REV_OFFSET 0x0a
1017 #define QUERY_FW_MAX_CMD_OFFSET 0x0f
1018 #define QUERY_FW_ERR_START_OFFSET 0x30
1019 #define QUERY_FW_ERR_SIZE_OFFSET 0x38
1020 #define QUERY_FW_ERR_BAR_OFFSET 0x3c
1022 #define QUERY_FW_SIZE_OFFSET 0x00
1023 #define QUERY_FW_CLR_INT_BASE_OFFSET 0x20
1024 #define QUERY_FW_CLR_INT_BAR_OFFSET 0x28
1026 #define QUERY_FW_COMM_BASE_OFFSET 0x40
1027 #define QUERY_FW_COMM_BAR_OFFSET 0x48
1029 #define QUERY_FW_CLOCK_OFFSET 0x50
1030 #define QUERY_FW_CLOCK_BAR 0x58
1032 mailbox
= mlx4_alloc_cmd_mailbox(dev
);
1033 if (IS_ERR(mailbox
))
1034 return PTR_ERR(mailbox
);
1035 outbox
= mailbox
->buf
;
1037 err
= mlx4_cmd_box(dev
, 0, mailbox
->dma
, 0, 0, MLX4_CMD_QUERY_FW
,
1038 MLX4_CMD_TIME_CLASS_A
, MLX4_CMD_NATIVE
);
1042 MLX4_GET(fw_ver
, outbox
, QUERY_FW_VER_OFFSET
);
1044 * FW subminor version is at more significant bits than minor
1045 * version, so swap here.
1047 dev
->caps
.fw_ver
= (fw_ver
& 0xffff00000000ull
) |
1048 ((fw_ver
& 0xffff0000ull
) >> 16) |
1049 ((fw_ver
& 0x0000ffffull
) << 16);
1051 MLX4_GET(lg
, outbox
, QUERY_FW_PPF_ID
);
1052 dev
->caps
.function
= lg
;
1054 if (mlx4_is_slave(dev
))
1058 MLX4_GET(cmd_if_rev
, outbox
, QUERY_FW_CMD_IF_REV_OFFSET
);
1059 if (cmd_if_rev
< MLX4_COMMAND_INTERFACE_MIN_REV
||
1060 cmd_if_rev
> MLX4_COMMAND_INTERFACE_MAX_REV
) {
1061 mlx4_err(dev
, "Installed FW has unsupported "
1062 "command interface revision %d.\n",
1064 mlx4_err(dev
, "(Installed FW version is %d.%d.%03d)\n",
1065 (int) (dev
->caps
.fw_ver
>> 32),
1066 (int) (dev
->caps
.fw_ver
>> 16) & 0xffff,
1067 (int) dev
->caps
.fw_ver
& 0xffff);
1068 mlx4_err(dev
, "This driver version supports only revisions %d to %d.\n",
1069 MLX4_COMMAND_INTERFACE_MIN_REV
, MLX4_COMMAND_INTERFACE_MAX_REV
);
1074 if (cmd_if_rev
< MLX4_COMMAND_INTERFACE_NEW_PORT_CMDS
)
1075 dev
->flags
|= MLX4_FLAG_OLD_PORT_CMDS
;
1077 MLX4_GET(lg
, outbox
, QUERY_FW_MAX_CMD_OFFSET
);
1078 cmd
->max_cmds
= 1 << lg
;
1080 mlx4_dbg(dev
, "FW version %d.%d.%03d (cmd intf rev %d), max commands %d\n",
1081 (int) (dev
->caps
.fw_ver
>> 32),
1082 (int) (dev
->caps
.fw_ver
>> 16) & 0xffff,
1083 (int) dev
->caps
.fw_ver
& 0xffff,
1084 cmd_if_rev
, cmd
->max_cmds
);
1086 MLX4_GET(fw
->catas_offset
, outbox
, QUERY_FW_ERR_START_OFFSET
);
1087 MLX4_GET(fw
->catas_size
, outbox
, QUERY_FW_ERR_SIZE_OFFSET
);
1088 MLX4_GET(fw
->catas_bar
, outbox
, QUERY_FW_ERR_BAR_OFFSET
);
1089 fw
->catas_bar
= (fw
->catas_bar
>> 6) * 2;
1091 mlx4_dbg(dev
, "Catastrophic error buffer at 0x%llx, size 0x%x, BAR %d\n",
1092 (unsigned long long) fw
->catas_offset
, fw
->catas_size
, fw
->catas_bar
);
1094 MLX4_GET(fw
->fw_pages
, outbox
, QUERY_FW_SIZE_OFFSET
);
1095 MLX4_GET(fw
->clr_int_base
, outbox
, QUERY_FW_CLR_INT_BASE_OFFSET
);
1096 MLX4_GET(fw
->clr_int_bar
, outbox
, QUERY_FW_CLR_INT_BAR_OFFSET
);
1097 fw
->clr_int_bar
= (fw
->clr_int_bar
>> 6) * 2;
1099 MLX4_GET(fw
->comm_base
, outbox
, QUERY_FW_COMM_BASE_OFFSET
);
1100 MLX4_GET(fw
->comm_bar
, outbox
, QUERY_FW_COMM_BAR_OFFSET
);
1101 fw
->comm_bar
= (fw
->comm_bar
>> 6) * 2;
1102 mlx4_dbg(dev
, "Communication vector bar:%d offset:0x%llx\n",
1103 fw
->comm_bar
, fw
->comm_base
);
1104 mlx4_dbg(dev
, "FW size %d KB\n", fw
->fw_pages
>> 2);
1106 MLX4_GET(fw
->clock_offset
, outbox
, QUERY_FW_CLOCK_OFFSET
);
1107 MLX4_GET(fw
->clock_bar
, outbox
, QUERY_FW_CLOCK_BAR
);
1108 fw
->clock_bar
= (fw
->clock_bar
>> 6) * 2;
1109 mlx4_dbg(dev
, "Internal clock bar:%d offset:0x%llx\n",
1110 fw
->clock_bar
, fw
->clock_offset
);
1113 * Round up number of system pages needed in case
1114 * MLX4_ICM_PAGE_SIZE < PAGE_SIZE.
1117 ALIGN(fw
->fw_pages
, PAGE_SIZE
/ MLX4_ICM_PAGE_SIZE
) >>
1118 (PAGE_SHIFT
- MLX4_ICM_PAGE_SHIFT
);
1120 mlx4_dbg(dev
, "Clear int @ %llx, BAR %d\n",
1121 (unsigned long long) fw
->clr_int_base
, fw
->clr_int_bar
);
1124 mlx4_free_cmd_mailbox(dev
, mailbox
);
1128 int mlx4_QUERY_FW_wrapper(struct mlx4_dev
*dev
, int slave
,
1129 struct mlx4_vhcr
*vhcr
,
1130 struct mlx4_cmd_mailbox
*inbox
,
1131 struct mlx4_cmd_mailbox
*outbox
,
1132 struct mlx4_cmd_info
*cmd
)
1137 outbuf
= outbox
->buf
;
1138 err
= mlx4_cmd_box(dev
, 0, outbox
->dma
, 0, 0, MLX4_CMD_QUERY_FW
,
1139 MLX4_CMD_TIME_CLASS_A
, MLX4_CMD_NATIVE
);
1143 /* for slaves, set pci PPF ID to invalid and zero out everything
1144 * else except FW version */
1145 outbuf
[0] = outbuf
[1] = 0;
1146 memset(&outbuf
[8], 0, QUERY_FW_OUT_SIZE
- 8);
1147 outbuf
[QUERY_FW_PPF_ID
] = MLX4_INVALID_SLAVE_ID
;
1152 static void get_board_id(void *vsd
, char *board_id
)
1156 #define VSD_OFFSET_SIG1 0x00
1157 #define VSD_OFFSET_SIG2 0xde
1158 #define VSD_OFFSET_MLX_BOARD_ID 0xd0
1159 #define VSD_OFFSET_TS_BOARD_ID 0x20
1161 #define VSD_SIGNATURE_TOPSPIN 0x5ad
1163 memset(board_id
, 0, MLX4_BOARD_ID_LEN
);
1165 if (be16_to_cpup(vsd
+ VSD_OFFSET_SIG1
) == VSD_SIGNATURE_TOPSPIN
&&
1166 be16_to_cpup(vsd
+ VSD_OFFSET_SIG2
) == VSD_SIGNATURE_TOPSPIN
) {
1167 strlcpy(board_id
, vsd
+ VSD_OFFSET_TS_BOARD_ID
, MLX4_BOARD_ID_LEN
);
1170 * The board ID is a string but the firmware byte
1171 * swaps each 4-byte word before passing it back to
1172 * us. Therefore we need to swab it before printing.
1174 for (i
= 0; i
< 4; ++i
)
1175 ((u32
*) board_id
)[i
] =
1176 swab32(*(u32
*) (vsd
+ VSD_OFFSET_MLX_BOARD_ID
+ i
* 4));
1180 int mlx4_QUERY_ADAPTER(struct mlx4_dev
*dev
, struct mlx4_adapter
*adapter
)
1182 struct mlx4_cmd_mailbox
*mailbox
;
1186 #define QUERY_ADAPTER_OUT_SIZE 0x100
1187 #define QUERY_ADAPTER_INTA_PIN_OFFSET 0x10
1188 #define QUERY_ADAPTER_VSD_OFFSET 0x20
1190 mailbox
= mlx4_alloc_cmd_mailbox(dev
);
1191 if (IS_ERR(mailbox
))
1192 return PTR_ERR(mailbox
);
1193 outbox
= mailbox
->buf
;
1195 err
= mlx4_cmd_box(dev
, 0, mailbox
->dma
, 0, 0, MLX4_CMD_QUERY_ADAPTER
,
1196 MLX4_CMD_TIME_CLASS_A
, MLX4_CMD_NATIVE
);
1200 MLX4_GET(adapter
->inta_pin
, outbox
, QUERY_ADAPTER_INTA_PIN_OFFSET
);
1202 get_board_id(outbox
+ QUERY_ADAPTER_VSD_OFFSET
/ 4,
1206 mlx4_free_cmd_mailbox(dev
, mailbox
);
1210 int mlx4_INIT_HCA(struct mlx4_dev
*dev
, struct mlx4_init_hca_param
*param
)
1212 struct mlx4_cmd_mailbox
*mailbox
;
1216 #define INIT_HCA_IN_SIZE 0x200
1217 #define INIT_HCA_VERSION_OFFSET 0x000
1218 #define INIT_HCA_VERSION 2
1219 #define INIT_HCA_CACHELINE_SZ_OFFSET 0x0e
1220 #define INIT_HCA_FLAGS_OFFSET 0x014
1221 #define INIT_HCA_QPC_OFFSET 0x020
1222 #define INIT_HCA_QPC_BASE_OFFSET (INIT_HCA_QPC_OFFSET + 0x10)
1223 #define INIT_HCA_LOG_QP_OFFSET (INIT_HCA_QPC_OFFSET + 0x17)
1224 #define INIT_HCA_SRQC_BASE_OFFSET (INIT_HCA_QPC_OFFSET + 0x28)
1225 #define INIT_HCA_LOG_SRQ_OFFSET (INIT_HCA_QPC_OFFSET + 0x2f)
1226 #define INIT_HCA_CQC_BASE_OFFSET (INIT_HCA_QPC_OFFSET + 0x30)
1227 #define INIT_HCA_LOG_CQ_OFFSET (INIT_HCA_QPC_OFFSET + 0x37)
1228 #define INIT_HCA_EQE_CQE_OFFSETS (INIT_HCA_QPC_OFFSET + 0x38)
1229 #define INIT_HCA_ALTC_BASE_OFFSET (INIT_HCA_QPC_OFFSET + 0x40)
1230 #define INIT_HCA_AUXC_BASE_OFFSET (INIT_HCA_QPC_OFFSET + 0x50)
1231 #define INIT_HCA_EQC_BASE_OFFSET (INIT_HCA_QPC_OFFSET + 0x60)
1232 #define INIT_HCA_LOG_EQ_OFFSET (INIT_HCA_QPC_OFFSET + 0x67)
1233 #define INIT_HCA_RDMARC_BASE_OFFSET (INIT_HCA_QPC_OFFSET + 0x70)
1234 #define INIT_HCA_LOG_RD_OFFSET (INIT_HCA_QPC_OFFSET + 0x77)
1235 #define INIT_HCA_MCAST_OFFSET 0x0c0
1236 #define INIT_HCA_MC_BASE_OFFSET (INIT_HCA_MCAST_OFFSET + 0x00)
1237 #define INIT_HCA_LOG_MC_ENTRY_SZ_OFFSET (INIT_HCA_MCAST_OFFSET + 0x12)
1238 #define INIT_HCA_LOG_MC_HASH_SZ_OFFSET (INIT_HCA_MCAST_OFFSET + 0x16)
1239 #define INIT_HCA_UC_STEERING_OFFSET (INIT_HCA_MCAST_OFFSET + 0x18)
1240 #define INIT_HCA_LOG_MC_TABLE_SZ_OFFSET (INIT_HCA_MCAST_OFFSET + 0x1b)
1241 #define INIT_HCA_DEVICE_MANAGED_FLOW_STEERING_EN 0x6
1242 #define INIT_HCA_FS_PARAM_OFFSET 0x1d0
1243 #define INIT_HCA_FS_BASE_OFFSET (INIT_HCA_FS_PARAM_OFFSET + 0x00)
1244 #define INIT_HCA_FS_LOG_ENTRY_SZ_OFFSET (INIT_HCA_FS_PARAM_OFFSET + 0x12)
1245 #define INIT_HCA_FS_LOG_TABLE_SZ_OFFSET (INIT_HCA_FS_PARAM_OFFSET + 0x1b)
1246 #define INIT_HCA_FS_ETH_BITS_OFFSET (INIT_HCA_FS_PARAM_OFFSET + 0x21)
1247 #define INIT_HCA_FS_ETH_NUM_ADDRS_OFFSET (INIT_HCA_FS_PARAM_OFFSET + 0x22)
1248 #define INIT_HCA_FS_IB_BITS_OFFSET (INIT_HCA_FS_PARAM_OFFSET + 0x25)
1249 #define INIT_HCA_FS_IB_NUM_ADDRS_OFFSET (INIT_HCA_FS_PARAM_OFFSET + 0x26)
1250 #define INIT_HCA_TPT_OFFSET 0x0f0
1251 #define INIT_HCA_DMPT_BASE_OFFSET (INIT_HCA_TPT_OFFSET + 0x00)
1252 #define INIT_HCA_TPT_MW_OFFSET (INIT_HCA_TPT_OFFSET + 0x08)
1253 #define INIT_HCA_LOG_MPT_SZ_OFFSET (INIT_HCA_TPT_OFFSET + 0x0b)
1254 #define INIT_HCA_MTT_BASE_OFFSET (INIT_HCA_TPT_OFFSET + 0x10)
1255 #define INIT_HCA_CMPT_BASE_OFFSET (INIT_HCA_TPT_OFFSET + 0x18)
1256 #define INIT_HCA_UAR_OFFSET 0x120
1257 #define INIT_HCA_LOG_UAR_SZ_OFFSET (INIT_HCA_UAR_OFFSET + 0x0a)
1258 #define INIT_HCA_UAR_PAGE_SZ_OFFSET (INIT_HCA_UAR_OFFSET + 0x0b)
1260 mailbox
= mlx4_alloc_cmd_mailbox(dev
);
1261 if (IS_ERR(mailbox
))
1262 return PTR_ERR(mailbox
);
1263 inbox
= mailbox
->buf
;
1265 memset(inbox
, 0, INIT_HCA_IN_SIZE
);
1267 *((u8
*) mailbox
->buf
+ INIT_HCA_VERSION_OFFSET
) = INIT_HCA_VERSION
;
1269 *((u8
*) mailbox
->buf
+ INIT_HCA_CACHELINE_SZ_OFFSET
) =
1270 (ilog2(cache_line_size()) - 4) << 5;
1272 #if defined(__LITTLE_ENDIAN)
1273 *(inbox
+ INIT_HCA_FLAGS_OFFSET
/ 4) &= ~cpu_to_be32(1 << 1);
1274 #elif defined(__BIG_ENDIAN)
1275 *(inbox
+ INIT_HCA_FLAGS_OFFSET
/ 4) |= cpu_to_be32(1 << 1);
1277 #error Host endianness not defined
1279 /* Check port for UD address vector: */
1280 *(inbox
+ INIT_HCA_FLAGS_OFFSET
/ 4) |= cpu_to_be32(1);
1282 /* Enable IPoIB checksumming if we can: */
1283 if (dev
->caps
.flags
& MLX4_DEV_CAP_FLAG_IPOIB_CSUM
)
1284 *(inbox
+ INIT_HCA_FLAGS_OFFSET
/ 4) |= cpu_to_be32(1 << 3);
1286 /* Enable QoS support if module parameter set */
1288 *(inbox
+ INIT_HCA_FLAGS_OFFSET
/ 4) |= cpu_to_be32(1 << 2);
1290 /* enable counters */
1291 if (dev
->caps
.flags
& MLX4_DEV_CAP_FLAG_COUNTERS
)
1292 *(inbox
+ INIT_HCA_FLAGS_OFFSET
/ 4) |= cpu_to_be32(1 << 4);
1294 /* CX3 is capable of extending CQEs/EQEs from 32 to 64 bytes */
1295 if (dev
->caps
.flags
& MLX4_DEV_CAP_FLAG_64B_EQE
) {
1296 *(inbox
+ INIT_HCA_EQE_CQE_OFFSETS
/ 4) |= cpu_to_be32(1 << 29);
1297 dev
->caps
.eqe_size
= 64;
1298 dev
->caps
.eqe_factor
= 1;
1300 dev
->caps
.eqe_size
= 32;
1301 dev
->caps
.eqe_factor
= 0;
1304 if (dev
->caps
.flags
& MLX4_DEV_CAP_FLAG_64B_CQE
) {
1305 *(inbox
+ INIT_HCA_EQE_CQE_OFFSETS
/ 4) |= cpu_to_be32(1 << 30);
1306 dev
->caps
.cqe_size
= 64;
1307 dev
->caps
.userspace_caps
|= MLX4_USER_DEV_CAP_64B_CQE
;
1309 dev
->caps
.cqe_size
= 32;
1312 /* QPC/EEC/CQC/EQC/RDMARC attributes */
1314 MLX4_PUT(inbox
, param
->qpc_base
, INIT_HCA_QPC_BASE_OFFSET
);
1315 MLX4_PUT(inbox
, param
->log_num_qps
, INIT_HCA_LOG_QP_OFFSET
);
1316 MLX4_PUT(inbox
, param
->srqc_base
, INIT_HCA_SRQC_BASE_OFFSET
);
1317 MLX4_PUT(inbox
, param
->log_num_srqs
, INIT_HCA_LOG_SRQ_OFFSET
);
1318 MLX4_PUT(inbox
, param
->cqc_base
, INIT_HCA_CQC_BASE_OFFSET
);
1319 MLX4_PUT(inbox
, param
->log_num_cqs
, INIT_HCA_LOG_CQ_OFFSET
);
1320 MLX4_PUT(inbox
, param
->altc_base
, INIT_HCA_ALTC_BASE_OFFSET
);
1321 MLX4_PUT(inbox
, param
->auxc_base
, INIT_HCA_AUXC_BASE_OFFSET
);
1322 MLX4_PUT(inbox
, param
->eqc_base
, INIT_HCA_EQC_BASE_OFFSET
);
1323 MLX4_PUT(inbox
, param
->log_num_eqs
, INIT_HCA_LOG_EQ_OFFSET
);
1324 MLX4_PUT(inbox
, param
->rdmarc_base
, INIT_HCA_RDMARC_BASE_OFFSET
);
1325 MLX4_PUT(inbox
, param
->log_rd_per_qp
, INIT_HCA_LOG_RD_OFFSET
);
1327 /* steering attributes */
1328 if (dev
->caps
.steering_mode
==
1329 MLX4_STEERING_MODE_DEVICE_MANAGED
) {
1330 *(inbox
+ INIT_HCA_FLAGS_OFFSET
/ 4) |=
1332 INIT_HCA_DEVICE_MANAGED_FLOW_STEERING_EN
);
1334 MLX4_PUT(inbox
, param
->mc_base
, INIT_HCA_FS_BASE_OFFSET
);
1335 MLX4_PUT(inbox
, param
->log_mc_entry_sz
,
1336 INIT_HCA_FS_LOG_ENTRY_SZ_OFFSET
);
1337 MLX4_PUT(inbox
, param
->log_mc_table_sz
,
1338 INIT_HCA_FS_LOG_TABLE_SZ_OFFSET
);
1339 /* Enable Ethernet flow steering
1340 * with udp unicast and tcp unicast
1342 MLX4_PUT(inbox
, (u8
) (MLX4_FS_UDP_UC_EN
| MLX4_FS_TCP_UC_EN
),
1343 INIT_HCA_FS_ETH_BITS_OFFSET
);
1344 MLX4_PUT(inbox
, (u16
) MLX4_FS_NUM_OF_L2_ADDR
,
1345 INIT_HCA_FS_ETH_NUM_ADDRS_OFFSET
);
1346 /* Enable IPoIB flow steering
1347 * with udp unicast and tcp unicast
1349 MLX4_PUT(inbox
, (u8
) (MLX4_FS_UDP_UC_EN
| MLX4_FS_TCP_UC_EN
),
1350 INIT_HCA_FS_IB_BITS_OFFSET
);
1351 MLX4_PUT(inbox
, (u16
) MLX4_FS_NUM_OF_L2_ADDR
,
1352 INIT_HCA_FS_IB_NUM_ADDRS_OFFSET
);
1354 MLX4_PUT(inbox
, param
->mc_base
, INIT_HCA_MC_BASE_OFFSET
);
1355 MLX4_PUT(inbox
, param
->log_mc_entry_sz
,
1356 INIT_HCA_LOG_MC_ENTRY_SZ_OFFSET
);
1357 MLX4_PUT(inbox
, param
->log_mc_hash_sz
,
1358 INIT_HCA_LOG_MC_HASH_SZ_OFFSET
);
1359 MLX4_PUT(inbox
, param
->log_mc_table_sz
,
1360 INIT_HCA_LOG_MC_TABLE_SZ_OFFSET
);
1361 if (dev
->caps
.steering_mode
== MLX4_STEERING_MODE_B0
)
1362 MLX4_PUT(inbox
, (u8
) (1 << 3),
1363 INIT_HCA_UC_STEERING_OFFSET
);
1366 /* TPT attributes */
1368 MLX4_PUT(inbox
, param
->dmpt_base
, INIT_HCA_DMPT_BASE_OFFSET
);
1369 MLX4_PUT(inbox
, param
->mw_enabled
, INIT_HCA_TPT_MW_OFFSET
);
1370 MLX4_PUT(inbox
, param
->log_mpt_sz
, INIT_HCA_LOG_MPT_SZ_OFFSET
);
1371 MLX4_PUT(inbox
, param
->mtt_base
, INIT_HCA_MTT_BASE_OFFSET
);
1372 MLX4_PUT(inbox
, param
->cmpt_base
, INIT_HCA_CMPT_BASE_OFFSET
);
1374 /* UAR attributes */
1376 MLX4_PUT(inbox
, param
->uar_page_sz
, INIT_HCA_UAR_PAGE_SZ_OFFSET
);
1377 MLX4_PUT(inbox
, param
->log_uar_sz
, INIT_HCA_LOG_UAR_SZ_OFFSET
);
1379 err
= mlx4_cmd(dev
, mailbox
->dma
, 0, 0, MLX4_CMD_INIT_HCA
, 10000,
1383 mlx4_err(dev
, "INIT_HCA returns %d\n", err
);
1385 mlx4_free_cmd_mailbox(dev
, mailbox
);
1389 int mlx4_QUERY_HCA(struct mlx4_dev
*dev
,
1390 struct mlx4_init_hca_param
*param
)
1392 struct mlx4_cmd_mailbox
*mailbox
;
1398 #define QUERY_HCA_GLOBAL_CAPS_OFFSET 0x04
1399 #define QUERY_HCA_CORE_CLOCK_OFFSET 0x0c
1401 mailbox
= mlx4_alloc_cmd_mailbox(dev
);
1402 if (IS_ERR(mailbox
))
1403 return PTR_ERR(mailbox
);
1404 outbox
= mailbox
->buf
;
1406 err
= mlx4_cmd_box(dev
, 0, mailbox
->dma
, 0, 0,
1408 MLX4_CMD_TIME_CLASS_B
,
1409 !mlx4_is_slave(dev
));
1413 MLX4_GET(param
->global_caps
, outbox
, QUERY_HCA_GLOBAL_CAPS_OFFSET
);
1414 MLX4_GET(param
->hca_core_clock
, outbox
, QUERY_HCA_CORE_CLOCK_OFFSET
);
1416 /* QPC/EEC/CQC/EQC/RDMARC attributes */
1418 MLX4_GET(param
->qpc_base
, outbox
, INIT_HCA_QPC_BASE_OFFSET
);
1419 MLX4_GET(param
->log_num_qps
, outbox
, INIT_HCA_LOG_QP_OFFSET
);
1420 MLX4_GET(param
->srqc_base
, outbox
, INIT_HCA_SRQC_BASE_OFFSET
);
1421 MLX4_GET(param
->log_num_srqs
, outbox
, INIT_HCA_LOG_SRQ_OFFSET
);
1422 MLX4_GET(param
->cqc_base
, outbox
, INIT_HCA_CQC_BASE_OFFSET
);
1423 MLX4_GET(param
->log_num_cqs
, outbox
, INIT_HCA_LOG_CQ_OFFSET
);
1424 MLX4_GET(param
->altc_base
, outbox
, INIT_HCA_ALTC_BASE_OFFSET
);
1425 MLX4_GET(param
->auxc_base
, outbox
, INIT_HCA_AUXC_BASE_OFFSET
);
1426 MLX4_GET(param
->eqc_base
, outbox
, INIT_HCA_EQC_BASE_OFFSET
);
1427 MLX4_GET(param
->log_num_eqs
, outbox
, INIT_HCA_LOG_EQ_OFFSET
);
1428 MLX4_GET(param
->rdmarc_base
, outbox
, INIT_HCA_RDMARC_BASE_OFFSET
);
1429 MLX4_GET(param
->log_rd_per_qp
, outbox
, INIT_HCA_LOG_RD_OFFSET
);
1431 MLX4_GET(dword_field
, outbox
, INIT_HCA_FLAGS_OFFSET
);
1432 if (dword_field
& (1 << INIT_HCA_DEVICE_MANAGED_FLOW_STEERING_EN
)) {
1433 param
->steering_mode
= MLX4_STEERING_MODE_DEVICE_MANAGED
;
1435 MLX4_GET(byte_field
, outbox
, INIT_HCA_UC_STEERING_OFFSET
);
1436 if (byte_field
& 0x8)
1437 param
->steering_mode
= MLX4_STEERING_MODE_B0
;
1439 param
->steering_mode
= MLX4_STEERING_MODE_A0
;
1441 /* steering attributes */
1442 if (param
->steering_mode
== MLX4_STEERING_MODE_DEVICE_MANAGED
) {
1443 MLX4_GET(param
->mc_base
, outbox
, INIT_HCA_FS_BASE_OFFSET
);
1444 MLX4_GET(param
->log_mc_entry_sz
, outbox
,
1445 INIT_HCA_FS_LOG_ENTRY_SZ_OFFSET
);
1446 MLX4_GET(param
->log_mc_table_sz
, outbox
,
1447 INIT_HCA_FS_LOG_TABLE_SZ_OFFSET
);
1449 MLX4_GET(param
->mc_base
, outbox
, INIT_HCA_MC_BASE_OFFSET
);
1450 MLX4_GET(param
->log_mc_entry_sz
, outbox
,
1451 INIT_HCA_LOG_MC_ENTRY_SZ_OFFSET
);
1452 MLX4_GET(param
->log_mc_hash_sz
, outbox
,
1453 INIT_HCA_LOG_MC_HASH_SZ_OFFSET
);
1454 MLX4_GET(param
->log_mc_table_sz
, outbox
,
1455 INIT_HCA_LOG_MC_TABLE_SZ_OFFSET
);
1458 /* CX3 is capable of extending CQEs/EQEs from 32 to 64 bytes */
1459 MLX4_GET(byte_field
, outbox
, INIT_HCA_EQE_CQE_OFFSETS
);
1460 if (byte_field
& 0x20) /* 64-bytes eqe enabled */
1461 param
->dev_cap_enabled
|= MLX4_DEV_CAP_64B_EQE_ENABLED
;
1462 if (byte_field
& 0x40) /* 64-bytes cqe enabled */
1463 param
->dev_cap_enabled
|= MLX4_DEV_CAP_64B_CQE_ENABLED
;
1465 /* TPT attributes */
1467 MLX4_GET(param
->dmpt_base
, outbox
, INIT_HCA_DMPT_BASE_OFFSET
);
1468 MLX4_GET(param
->mw_enabled
, outbox
, INIT_HCA_TPT_MW_OFFSET
);
1469 MLX4_GET(param
->log_mpt_sz
, outbox
, INIT_HCA_LOG_MPT_SZ_OFFSET
);
1470 MLX4_GET(param
->mtt_base
, outbox
, INIT_HCA_MTT_BASE_OFFSET
);
1471 MLX4_GET(param
->cmpt_base
, outbox
, INIT_HCA_CMPT_BASE_OFFSET
);
1473 /* UAR attributes */
1475 MLX4_GET(param
->uar_page_sz
, outbox
, INIT_HCA_UAR_PAGE_SZ_OFFSET
);
1476 MLX4_GET(param
->log_uar_sz
, outbox
, INIT_HCA_LOG_UAR_SZ_OFFSET
);
1479 mlx4_free_cmd_mailbox(dev
, mailbox
);
1484 /* for IB-type ports only in SRIOV mode. Checks that both proxy QP0
1485 * and real QP0 are active, so that the paravirtualized QP0 is ready
1487 static int check_qp0_state(struct mlx4_dev
*dev
, int function
, int port
)
1489 struct mlx4_priv
*priv
= mlx4_priv(dev
);
1490 /* irrelevant if not infiniband */
1491 if (priv
->mfunc
.master
.qp0_state
[port
].proxy_qp0_active
&&
1492 priv
->mfunc
.master
.qp0_state
[port
].qp0_active
)
1497 int mlx4_INIT_PORT_wrapper(struct mlx4_dev
*dev
, int slave
,
1498 struct mlx4_vhcr
*vhcr
,
1499 struct mlx4_cmd_mailbox
*inbox
,
1500 struct mlx4_cmd_mailbox
*outbox
,
1501 struct mlx4_cmd_info
*cmd
)
1503 struct mlx4_priv
*priv
= mlx4_priv(dev
);
1504 int port
= vhcr
->in_modifier
;
1507 if (priv
->mfunc
.master
.slave_state
[slave
].init_port_mask
& (1 << port
))
1510 if (dev
->caps
.port_mask
[port
] != MLX4_PORT_TYPE_IB
) {
1511 /* Enable port only if it was previously disabled */
1512 if (!priv
->mfunc
.master
.init_port_ref
[port
]) {
1513 err
= mlx4_cmd(dev
, 0, port
, 0, MLX4_CMD_INIT_PORT
,
1514 MLX4_CMD_TIME_CLASS_A
, MLX4_CMD_NATIVE
);
1518 priv
->mfunc
.master
.slave_state
[slave
].init_port_mask
|= (1 << port
);
1520 if (slave
== mlx4_master_func_num(dev
)) {
1521 if (check_qp0_state(dev
, slave
, port
) &&
1522 !priv
->mfunc
.master
.qp0_state
[port
].port_active
) {
1523 err
= mlx4_cmd(dev
, 0, port
, 0, MLX4_CMD_INIT_PORT
,
1524 MLX4_CMD_TIME_CLASS_A
, MLX4_CMD_NATIVE
);
1527 priv
->mfunc
.master
.qp0_state
[port
].port_active
= 1;
1528 priv
->mfunc
.master
.slave_state
[slave
].init_port_mask
|= (1 << port
);
1531 priv
->mfunc
.master
.slave_state
[slave
].init_port_mask
|= (1 << port
);
1533 ++priv
->mfunc
.master
.init_port_ref
[port
];
1537 int mlx4_INIT_PORT(struct mlx4_dev
*dev
, int port
)
1539 struct mlx4_cmd_mailbox
*mailbox
;
1545 if (dev
->flags
& MLX4_FLAG_OLD_PORT_CMDS
) {
1546 #define INIT_PORT_IN_SIZE 256
1547 #define INIT_PORT_FLAGS_OFFSET 0x00
1548 #define INIT_PORT_FLAG_SIG (1 << 18)
1549 #define INIT_PORT_FLAG_NG (1 << 17)
1550 #define INIT_PORT_FLAG_G0 (1 << 16)
1551 #define INIT_PORT_VL_SHIFT 4
1552 #define INIT_PORT_PORT_WIDTH_SHIFT 8
1553 #define INIT_PORT_MTU_OFFSET 0x04
1554 #define INIT_PORT_MAX_GID_OFFSET 0x06
1555 #define INIT_PORT_MAX_PKEY_OFFSET 0x0a
1556 #define INIT_PORT_GUID0_OFFSET 0x10
1557 #define INIT_PORT_NODE_GUID_OFFSET 0x18
1558 #define INIT_PORT_SI_GUID_OFFSET 0x20
1560 mailbox
= mlx4_alloc_cmd_mailbox(dev
);
1561 if (IS_ERR(mailbox
))
1562 return PTR_ERR(mailbox
);
1563 inbox
= mailbox
->buf
;
1565 memset(inbox
, 0, INIT_PORT_IN_SIZE
);
1568 flags
|= (dev
->caps
.vl_cap
[port
] & 0xf) << INIT_PORT_VL_SHIFT
;
1569 flags
|= (dev
->caps
.port_width_cap
[port
] & 0xf) << INIT_PORT_PORT_WIDTH_SHIFT
;
1570 MLX4_PUT(inbox
, flags
, INIT_PORT_FLAGS_OFFSET
);
1572 field
= 128 << dev
->caps
.ib_mtu_cap
[port
];
1573 MLX4_PUT(inbox
, field
, INIT_PORT_MTU_OFFSET
);
1574 field
= dev
->caps
.gid_table_len
[port
];
1575 MLX4_PUT(inbox
, field
, INIT_PORT_MAX_GID_OFFSET
);
1576 field
= dev
->caps
.pkey_table_len
[port
];
1577 MLX4_PUT(inbox
, field
, INIT_PORT_MAX_PKEY_OFFSET
);
1579 err
= mlx4_cmd(dev
, mailbox
->dma
, port
, 0, MLX4_CMD_INIT_PORT
,
1580 MLX4_CMD_TIME_CLASS_A
, MLX4_CMD_NATIVE
);
1582 mlx4_free_cmd_mailbox(dev
, mailbox
);
1584 err
= mlx4_cmd(dev
, 0, port
, 0, MLX4_CMD_INIT_PORT
,
1585 MLX4_CMD_TIME_CLASS_A
, MLX4_CMD_WRAPPED
);
1589 EXPORT_SYMBOL_GPL(mlx4_INIT_PORT
);
1591 int mlx4_CLOSE_PORT_wrapper(struct mlx4_dev
*dev
, int slave
,
1592 struct mlx4_vhcr
*vhcr
,
1593 struct mlx4_cmd_mailbox
*inbox
,
1594 struct mlx4_cmd_mailbox
*outbox
,
1595 struct mlx4_cmd_info
*cmd
)
1597 struct mlx4_priv
*priv
= mlx4_priv(dev
);
1598 int port
= vhcr
->in_modifier
;
1601 if (!(priv
->mfunc
.master
.slave_state
[slave
].init_port_mask
&
1605 if (dev
->caps
.port_mask
[port
] != MLX4_PORT_TYPE_IB
) {
1606 if (priv
->mfunc
.master
.init_port_ref
[port
] == 1) {
1607 err
= mlx4_cmd(dev
, 0, port
, 0, MLX4_CMD_CLOSE_PORT
,
1608 1000, MLX4_CMD_NATIVE
);
1612 priv
->mfunc
.master
.slave_state
[slave
].init_port_mask
&= ~(1 << port
);
1614 /* infiniband port */
1615 if (slave
== mlx4_master_func_num(dev
)) {
1616 if (!priv
->mfunc
.master
.qp0_state
[port
].qp0_active
&&
1617 priv
->mfunc
.master
.qp0_state
[port
].port_active
) {
1618 err
= mlx4_cmd(dev
, 0, port
, 0, MLX4_CMD_CLOSE_PORT
,
1619 1000, MLX4_CMD_NATIVE
);
1622 priv
->mfunc
.master
.slave_state
[slave
].init_port_mask
&= ~(1 << port
);
1623 priv
->mfunc
.master
.qp0_state
[port
].port_active
= 0;
1626 priv
->mfunc
.master
.slave_state
[slave
].init_port_mask
&= ~(1 << port
);
1628 --priv
->mfunc
.master
.init_port_ref
[port
];
1632 int mlx4_CLOSE_PORT(struct mlx4_dev
*dev
, int port
)
1634 return mlx4_cmd(dev
, 0, port
, 0, MLX4_CMD_CLOSE_PORT
, 1000,
1637 EXPORT_SYMBOL_GPL(mlx4_CLOSE_PORT
);
1639 int mlx4_CLOSE_HCA(struct mlx4_dev
*dev
, int panic
)
1641 return mlx4_cmd(dev
, 0, 0, panic
, MLX4_CMD_CLOSE_HCA
, 1000,
1645 int mlx4_SET_ICM_SIZE(struct mlx4_dev
*dev
, u64 icm_size
, u64
*aux_pages
)
1647 int ret
= mlx4_cmd_imm(dev
, icm_size
, aux_pages
, 0, 0,
1648 MLX4_CMD_SET_ICM_SIZE
,
1649 MLX4_CMD_TIME_CLASS_A
, MLX4_CMD_NATIVE
);
1654 * Round up number of system pages needed in case
1655 * MLX4_ICM_PAGE_SIZE < PAGE_SIZE.
1657 *aux_pages
= ALIGN(*aux_pages
, PAGE_SIZE
/ MLX4_ICM_PAGE_SIZE
) >>
1658 (PAGE_SHIFT
- MLX4_ICM_PAGE_SHIFT
);
1663 int mlx4_NOP(struct mlx4_dev
*dev
)
1665 /* Input modifier of 0x1f means "finish as soon as possible." */
1666 return mlx4_cmd(dev
, 0, 0x1f, 0, MLX4_CMD_NOP
, 100, MLX4_CMD_NATIVE
);
1669 #define MLX4_WOL_SETUP_MODE (5 << 28)
1670 int mlx4_wol_read(struct mlx4_dev
*dev
, u64
*config
, int port
)
1672 u32 in_mod
= MLX4_WOL_SETUP_MODE
| port
<< 8;
1674 return mlx4_cmd_imm(dev
, 0, config
, in_mod
, 0x3,
1675 MLX4_CMD_MOD_STAT_CFG
, MLX4_CMD_TIME_CLASS_A
,
1678 EXPORT_SYMBOL_GPL(mlx4_wol_read
);
1680 int mlx4_wol_write(struct mlx4_dev
*dev
, u64 config
, int port
)
1682 u32 in_mod
= MLX4_WOL_SETUP_MODE
| port
<< 8;
1684 return mlx4_cmd(dev
, config
, in_mod
, 0x1, MLX4_CMD_MOD_STAT_CFG
,
1685 MLX4_CMD_TIME_CLASS_A
, MLX4_CMD_NATIVE
);
1687 EXPORT_SYMBOL_GPL(mlx4_wol_write
);