3 * This file is provided under a dual BSD/GPLv2 license. When using or
4 * redistributing this file, you may do so under either license.
8 * Copyright(c) 2015 Intel Corporation.
10 * This program is free software; you can redistribute it and/or modify
11 * it under the terms of version 2 of the GNU General Public License as
12 * published by the Free Software Foundation.
14 * This program is distributed in the hope that it will be useful, but
15 * WITHOUT ANY WARRANTY; without even the implied warranty of
16 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
17 * General Public License for more details.
21 * Copyright(c) 2015 Intel Corporation.
23 * Redistribution and use in source and binary forms, with or without
24 * modification, are permitted provided that the following conditions
27 * - Redistributions of source code must retain the above copyright
28 * notice, this list of conditions and the following disclaimer.
29 * - Redistributions in binary form must reproduce the above copyright
30 * notice, this list of conditions and the following disclaimer in
31 * the documentation and/or other materials provided with the
33 * - Neither the name of Intel Corporation nor the names of its
34 * contributors may be used to endorse or promote products derived
35 * from this software without specific prior written permission.
37 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
38 * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
39 * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
40 * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
41 * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
42 * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
43 * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
44 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
45 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
46 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
47 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
51 #include <linux/net.h>
52 #define OPA_NUM_PKEY_BLOCKS_PER_SMP (OPA_SMP_DR_DATA_SIZE \
53 / (OPA_PARTITION_TABLE_BLK_SIZE * sizeof(u16)))
59 /* the reset value from the FM is supposed to be 0xffff, handle both */
60 #define OPA_LINK_WIDTH_RESET_OLD 0x0fff
61 #define OPA_LINK_WIDTH_RESET 0xffff
63 static int reply(struct ib_mad_hdr
*smp
)
66 * The verbs framework will handle the directed/LID route
69 smp
->method
= IB_MGMT_METHOD_GET_RESP
;
70 if (smp
->mgmt_class
== IB_MGMT_CLASS_SUBN_DIRECTED_ROUTE
)
71 smp
->status
|= IB_SMP_DIRECTION
;
72 return IB_MAD_RESULT_SUCCESS
| IB_MAD_RESULT_REPLY
;
75 static inline void clear_opa_smp_data(struct opa_smp
*smp
)
77 void *data
= opa_get_smp_data(smp
);
78 size_t size
= opa_get_smp_data_size(smp
);
80 memset(data
, 0, size
);
83 static void send_trap(struct hfi1_ibport
*ibp
, void *data
, unsigned len
)
85 struct ib_mad_send_buf
*send_buf
;
86 struct ib_mad_agent
*agent
;
90 unsigned long timeout
;
92 u32 qpn
= ppd_from_ibp(ibp
)->sm_trap_qp
;
94 agent
= ibp
->send_agent
;
99 if (ppd_from_ibp(ibp
)->lstate
!= IB_PORT_ACTIVE
)
103 if (ibp
->trap_timeout
&& time_before(jiffies
, ibp
->trap_timeout
))
106 pkey_idx
= hfi1_lookup_pkey_idx(ibp
, LIM_MGMT_P_KEY
);
108 pr_warn("%s: failed to find limited mgmt pkey, defaulting 0x%x\n",
109 __func__
, hfi1_get_pkey(ibp
, 1));
113 send_buf
= ib_create_send_mad(agent
, qpn
, pkey_idx
, 0,
114 IB_MGMT_MAD_HDR
, IB_MGMT_MAD_DATA
,
115 GFP_ATOMIC
, IB_MGMT_BASE_VERSION
);
116 if (IS_ERR(send_buf
))
120 smp
->base_version
= OPA_MGMT_BASE_VERSION
;
121 smp
->mgmt_class
= IB_MGMT_CLASS_SUBN_LID_ROUTED
;
122 smp
->class_version
= OPA_SMI_CLASS_VERSION
;
123 smp
->method
= IB_MGMT_METHOD_TRAP
;
125 smp
->tid
= cpu_to_be64(ibp
->tid
);
126 smp
->attr_id
= IB_SMP_ATTR_NOTICE
;
127 /* o14-1: smp->mkey = 0; */
128 memcpy(smp
->route
.lid
.data
, data
, len
);
130 spin_lock_irqsave(&ibp
->lock
, flags
);
132 if (ibp
->sm_lid
!= be16_to_cpu(IB_LID_PERMISSIVE
)) {
135 ah
= hfi1_create_qp0_ah(ibp
, ibp
->sm_lid
);
140 ibp
->sm_ah
= to_iah(ah
);
146 send_buf
->ah
= &ibp
->sm_ah
->ibah
;
149 spin_unlock_irqrestore(&ibp
->lock
, flags
);
152 ret
= ib_post_send_mad(send_buf
, NULL
);
155 timeout
= (4096 * (1UL << ibp
->subnet_timeout
)) / 1000;
156 ibp
->trap_timeout
= jiffies
+ usecs_to_jiffies(timeout
);
158 ib_free_send_mad(send_buf
);
159 ibp
->trap_timeout
= 0;
164 * Send a bad [PQ]_Key trap (ch. 14.3.8).
166 void hfi1_bad_pqkey(struct hfi1_ibport
*ibp
, __be16 trap_num
, u32 key
, u32 sl
,
167 u32 qp1
, u32 qp2
, u16 lid1
, u16 lid2
)
169 struct opa_mad_notice_attr data
;
170 u32 lid
= ppd_from_ibp(ibp
)->lid
;
174 memset(&data
, 0, sizeof(data
));
176 if (trap_num
== OPA_TRAP_BAD_P_KEY
)
177 ibp
->pkey_violations
++;
179 ibp
->qkey_violations
++;
182 /* Send violation trap */
183 data
.generic_type
= IB_NOTICE_TYPE_SECURITY
;
184 data
.prod_type_lsb
= IB_NOTICE_PROD_CA
;
185 data
.trap_num
= trap_num
;
186 data
.issuer_lid
= cpu_to_be32(lid
);
187 data
.ntc_257_258
.lid1
= cpu_to_be32(_lid1
);
188 data
.ntc_257_258
.lid2
= cpu_to_be32(_lid2
);
189 data
.ntc_257_258
.key
= cpu_to_be32(key
);
190 data
.ntc_257_258
.sl
= sl
<< 3;
191 data
.ntc_257_258
.qp1
= cpu_to_be32(qp1
);
192 data
.ntc_257_258
.qp2
= cpu_to_be32(qp2
);
194 send_trap(ibp
, &data
, sizeof(data
));
198 * Send a bad M_Key trap (ch. 14.3.9).
200 static void bad_mkey(struct hfi1_ibport
*ibp
, struct ib_mad_hdr
*mad
,
201 __be64 mkey
, __be32 dr_slid
, u8 return_path
[], u8 hop_cnt
)
203 struct opa_mad_notice_attr data
;
204 u32 lid
= ppd_from_ibp(ibp
)->lid
;
206 memset(&data
, 0, sizeof(data
));
207 /* Send violation trap */
208 data
.generic_type
= IB_NOTICE_TYPE_SECURITY
;
209 data
.prod_type_lsb
= IB_NOTICE_PROD_CA
;
210 data
.trap_num
= OPA_TRAP_BAD_M_KEY
;
211 data
.issuer_lid
= cpu_to_be32(lid
);
212 data
.ntc_256
.lid
= data
.issuer_lid
;
213 data
.ntc_256
.method
= mad
->method
;
214 data
.ntc_256
.attr_id
= mad
->attr_id
;
215 data
.ntc_256
.attr_mod
= mad
->attr_mod
;
216 data
.ntc_256
.mkey
= mkey
;
217 if (mad
->mgmt_class
== IB_MGMT_CLASS_SUBN_DIRECTED_ROUTE
) {
218 data
.ntc_256
.dr_slid
= dr_slid
;
219 data
.ntc_256
.dr_trunc_hop
= IB_NOTICE_TRAP_DR_NOTICE
;
220 if (hop_cnt
> ARRAY_SIZE(data
.ntc_256
.dr_rtn_path
)) {
221 data
.ntc_256
.dr_trunc_hop
|=
222 IB_NOTICE_TRAP_DR_TRUNC
;
223 hop_cnt
= ARRAY_SIZE(data
.ntc_256
.dr_rtn_path
);
225 data
.ntc_256
.dr_trunc_hop
|= hop_cnt
;
226 memcpy(data
.ntc_256
.dr_rtn_path
, return_path
,
230 send_trap(ibp
, &data
, sizeof(data
));
234 * Send a Port Capability Mask Changed trap (ch. 14.3.11).
236 void hfi1_cap_mask_chg(struct hfi1_ibport
*ibp
)
238 struct opa_mad_notice_attr data
;
239 u32 lid
= ppd_from_ibp(ibp
)->lid
;
241 memset(&data
, 0, sizeof(data
));
243 data
.generic_type
= IB_NOTICE_TYPE_INFO
;
244 data
.prod_type_lsb
= IB_NOTICE_PROD_CA
;
245 data
.trap_num
= OPA_TRAP_CHANGE_CAPABILITY
;
246 data
.issuer_lid
= cpu_to_be32(lid
);
247 data
.ntc_144
.lid
= data
.issuer_lid
;
248 data
.ntc_144
.new_cap_mask
= cpu_to_be32(ibp
->port_cap_flags
);
250 send_trap(ibp
, &data
, sizeof(data
));
254 * Send a System Image GUID Changed trap (ch. 14.3.12).
256 void hfi1_sys_guid_chg(struct hfi1_ibport
*ibp
)
258 struct opa_mad_notice_attr data
;
259 u32 lid
= ppd_from_ibp(ibp
)->lid
;
261 memset(&data
, 0, sizeof(data
));
263 data
.generic_type
= IB_NOTICE_TYPE_INFO
;
264 data
.prod_type_lsb
= IB_NOTICE_PROD_CA
;
265 data
.trap_num
= OPA_TRAP_CHANGE_SYSGUID
;
266 data
.issuer_lid
= cpu_to_be32(lid
);
267 data
.ntc_145
.new_sys_guid
= ib_hfi1_sys_image_guid
;
268 data
.ntc_145
.lid
= data
.issuer_lid
;
270 send_trap(ibp
, &data
, sizeof(data
));
274 * Send a Node Description Changed trap (ch. 14.3.13).
276 void hfi1_node_desc_chg(struct hfi1_ibport
*ibp
)
278 struct opa_mad_notice_attr data
;
279 u32 lid
= ppd_from_ibp(ibp
)->lid
;
281 memset(&data
, 0, sizeof(data
));
283 data
.generic_type
= IB_NOTICE_TYPE_INFO
;
284 data
.prod_type_lsb
= IB_NOTICE_PROD_CA
;
285 data
.trap_num
= OPA_TRAP_CHANGE_CAPABILITY
;
286 data
.issuer_lid
= cpu_to_be32(lid
);
287 data
.ntc_144
.lid
= data
.issuer_lid
;
288 data
.ntc_144
.change_flags
=
289 cpu_to_be16(OPA_NOTICE_TRAP_NODE_DESC_CHG
);
291 send_trap(ibp
, &data
, sizeof(data
));
294 static int __subn_get_opa_nodedesc(struct opa_smp
*smp
, u32 am
,
295 u8
*data
, struct ib_device
*ibdev
,
296 u8 port
, u32
*resp_len
)
298 struct opa_node_description
*nd
;
301 smp
->status
|= IB_SMP_INVALID_FIELD
;
302 return reply((struct ib_mad_hdr
*)smp
);
305 nd
= (struct opa_node_description
*)data
;
307 memcpy(nd
->data
, ibdev
->node_desc
, sizeof(nd
->data
));
310 *resp_len
+= sizeof(*nd
);
312 return reply((struct ib_mad_hdr
*)smp
);
315 static int __subn_get_opa_nodeinfo(struct opa_smp
*smp
, u32 am
, u8
*data
,
316 struct ib_device
*ibdev
, u8 port
,
319 struct opa_node_info
*ni
;
320 struct hfi1_devdata
*dd
= dd_from_ibdev(ibdev
);
321 unsigned pidx
= port
- 1; /* IB number port from 1, hw from 0 */
323 ni
= (struct opa_node_info
*)data
;
325 /* GUID 0 is illegal */
326 if (am
|| pidx
>= dd
->num_pports
|| dd
->pport
[pidx
].guid
== 0) {
327 smp
->status
|= IB_SMP_INVALID_FIELD
;
328 return reply((struct ib_mad_hdr
*)smp
);
331 ni
->port_guid
= cpu_to_be64(dd
->pport
[pidx
].guid
);
332 ni
->base_version
= OPA_MGMT_BASE_VERSION
;
333 ni
->class_version
= OPA_SMI_CLASS_VERSION
;
334 ni
->node_type
= 1; /* channel adapter */
335 ni
->num_ports
= ibdev
->phys_port_cnt
;
336 /* This is already in network order */
337 ni
->system_image_guid
= ib_hfi1_sys_image_guid
;
338 /* Use first-port GUID as node */
339 ni
->node_guid
= cpu_to_be64(dd
->pport
->guid
);
340 ni
->partition_cap
= cpu_to_be16(hfi1_get_npkeys(dd
));
341 ni
->device_id
= cpu_to_be16(dd
->pcidev
->device
);
342 ni
->revision
= cpu_to_be32(dd
->minrev
);
343 ni
->local_port_num
= port
;
344 ni
->vendor_id
[0] = dd
->oui1
;
345 ni
->vendor_id
[1] = dd
->oui2
;
346 ni
->vendor_id
[2] = dd
->oui3
;
349 *resp_len
+= sizeof(*ni
);
351 return reply((struct ib_mad_hdr
*)smp
);
354 static int subn_get_nodeinfo(struct ib_smp
*smp
, struct ib_device
*ibdev
,
357 struct ib_node_info
*nip
= (struct ib_node_info
*)&smp
->data
;
358 struct hfi1_devdata
*dd
= dd_from_ibdev(ibdev
);
359 unsigned pidx
= port
- 1; /* IB number port from 1, hw from 0 */
361 /* GUID 0 is illegal */
362 if (smp
->attr_mod
|| pidx
>= dd
->num_pports
||
363 dd
->pport
[pidx
].guid
== 0)
364 smp
->status
|= IB_SMP_INVALID_FIELD
;
366 nip
->port_guid
= cpu_to_be64(dd
->pport
[pidx
].guid
);
368 nip
->base_version
= OPA_MGMT_BASE_VERSION
;
369 nip
->class_version
= OPA_SMI_CLASS_VERSION
;
370 nip
->node_type
= 1; /* channel adapter */
371 nip
->num_ports
= ibdev
->phys_port_cnt
;
372 /* This is already in network order */
373 nip
->sys_guid
= ib_hfi1_sys_image_guid
;
374 /* Use first-port GUID as node */
375 nip
->node_guid
= cpu_to_be64(dd
->pport
->guid
);
376 nip
->partition_cap
= cpu_to_be16(hfi1_get_npkeys(dd
));
377 nip
->device_id
= cpu_to_be16(dd
->pcidev
->device
);
378 nip
->revision
= cpu_to_be32(dd
->minrev
);
379 nip
->local_port_num
= port
;
380 nip
->vendor_id
[0] = dd
->oui1
;
381 nip
->vendor_id
[1] = dd
->oui2
;
382 nip
->vendor_id
[2] = dd
->oui3
;
384 return reply((struct ib_mad_hdr
*)smp
);
387 static void set_link_width_enabled(struct hfi1_pportdata
*ppd
, u32 w
)
389 (void)hfi1_set_ib_cfg(ppd
, HFI1_IB_CFG_LWID_ENB
, w
);
392 static void set_link_width_downgrade_enabled(struct hfi1_pportdata
*ppd
, u32 w
)
394 (void)hfi1_set_ib_cfg(ppd
, HFI1_IB_CFG_LWID_DG_ENB
, w
);
397 static void set_link_speed_enabled(struct hfi1_pportdata
*ppd
, u32 s
)
399 (void)hfi1_set_ib_cfg(ppd
, HFI1_IB_CFG_SPD_ENB
, s
);
402 static int check_mkey(struct hfi1_ibport
*ibp
, struct ib_mad_hdr
*mad
,
403 int mad_flags
, __be64 mkey
, __be32 dr_slid
,
404 u8 return_path
[], u8 hop_cnt
)
409 /* Is the mkey in the process of expiring? */
410 if (ibp
->mkey_lease_timeout
&&
411 time_after_eq(jiffies
, ibp
->mkey_lease_timeout
)) {
412 /* Clear timeout and mkey protection field. */
413 ibp
->mkey_lease_timeout
= 0;
417 if ((mad_flags
& IB_MAD_IGNORE_MKEY
) || ibp
->mkey
== 0 ||
421 /* Unset lease timeout on any valid Get/Set/TrapRepress */
422 if (valid_mkey
&& ibp
->mkey_lease_timeout
&&
423 (mad
->method
== IB_MGMT_METHOD_GET
||
424 mad
->method
== IB_MGMT_METHOD_SET
||
425 mad
->method
== IB_MGMT_METHOD_TRAP_REPRESS
))
426 ibp
->mkey_lease_timeout
= 0;
429 switch (mad
->method
) {
430 case IB_MGMT_METHOD_GET
:
431 /* Bad mkey not a violation below level 2 */
432 if (ibp
->mkeyprot
< 2)
434 case IB_MGMT_METHOD_SET
:
435 case IB_MGMT_METHOD_TRAP_REPRESS
:
436 if (ibp
->mkey_violations
!= 0xFFFF)
437 ++ibp
->mkey_violations
;
438 if (!ibp
->mkey_lease_timeout
&& ibp
->mkey_lease_period
)
439 ibp
->mkey_lease_timeout
= jiffies
+
440 ibp
->mkey_lease_period
* HZ
;
441 /* Generate a trap notice. */
442 bad_mkey(ibp
, mad
, mkey
, dr_slid
, return_path
,
452 * The SMA caches reads from LCB registers in case the LCB is unavailable.
453 * (The LCB is unavailable in certain link states, for example.)
460 static struct lcb_datum lcb_cache
[] = {
461 { DC_LCB_STS_ROUND_TRIP_LTP_CNT
, 0 },
464 static int write_lcb_cache(u32 off
, u64 val
)
468 for (i
= 0; i
< ARRAY_SIZE(lcb_cache
); i
++) {
469 if (lcb_cache
[i
].off
== off
) {
470 lcb_cache
[i
].val
= val
;
475 pr_warn("%s bad offset 0x%x\n", __func__
, off
);
479 static int read_lcb_cache(u32 off
, u64
*val
)
483 for (i
= 0; i
< ARRAY_SIZE(lcb_cache
); i
++) {
484 if (lcb_cache
[i
].off
== off
) {
485 *val
= lcb_cache
[i
].val
;
490 pr_warn("%s bad offset 0x%x\n", __func__
, off
);
494 void read_ltp_rtt(struct hfi1_devdata
*dd
)
498 if (read_lcb_csr(dd
, DC_LCB_STS_ROUND_TRIP_LTP_CNT
, ®
))
499 dd_dev_err(dd
, "%s: unable to read LTP RTT\n", __func__
);
501 write_lcb_cache(DC_LCB_STS_ROUND_TRIP_LTP_CNT
, reg
);
504 static u8
__opa_porttype(struct hfi1_pportdata
*ppd
)
506 if (qsfp_mod_present(ppd
)) {
507 if (ppd
->qsfp_info
.cache_valid
)
508 return OPA_PORT_TYPE_STANDARD
;
509 return OPA_PORT_TYPE_DISCONNECTED
;
511 return OPA_PORT_TYPE_UNKNOWN
;
514 static int __subn_get_opa_portinfo(struct opa_smp
*smp
, u32 am
, u8
*data
,
515 struct ib_device
*ibdev
, u8 port
,
519 struct hfi1_devdata
*dd
;
520 struct hfi1_pportdata
*ppd
;
521 struct hfi1_ibport
*ibp
;
522 struct opa_port_info
*pi
= (struct opa_port_info
*)data
;
526 u32 num_ports
= OPA_AM_NPORT(am
);
527 u32 start_of_sm_config
= OPA_AM_START_SM_CFG(am
);
531 if (num_ports
!= 1) {
532 smp
->status
|= IB_SMP_INVALID_FIELD
;
533 return reply((struct ib_mad_hdr
*)smp
);
536 dd
= dd_from_ibdev(ibdev
);
537 /* IB numbers ports from 1, hw from 0 */
538 ppd
= dd
->pport
+ (port
- 1);
539 ibp
= &ppd
->ibport_data
;
541 if (ppd
->vls_supported
/2 > ARRAY_SIZE(pi
->neigh_mtu
.pvlx_to_mtu
) ||
542 ppd
->vls_supported
> ARRAY_SIZE(dd
->vld
)) {
543 smp
->status
|= IB_SMP_INVALID_FIELD
;
544 return reply((struct ib_mad_hdr
*)smp
);
547 pi
->lid
= cpu_to_be32(ppd
->lid
);
549 /* Only return the mkey if the protection field allows it. */
550 if (!(smp
->method
== IB_MGMT_METHOD_GET
&&
551 ibp
->mkey
!= smp
->mkey
&&
553 pi
->mkey
= ibp
->mkey
;
555 pi
->subnet_prefix
= ibp
->gid_prefix
;
556 pi
->sm_lid
= cpu_to_be32(ibp
->sm_lid
);
557 pi
->ib_cap_mask
= cpu_to_be32(ibp
->port_cap_flags
);
558 pi
->mkey_lease_period
= cpu_to_be16(ibp
->mkey_lease_period
);
559 pi
->sm_trap_qp
= cpu_to_be32(ppd
->sm_trap_qp
);
560 pi
->sa_qp
= cpu_to_be32(ppd
->sa_qp
);
562 pi
->link_width
.enabled
= cpu_to_be16(ppd
->link_width_enabled
);
563 pi
->link_width
.supported
= cpu_to_be16(ppd
->link_width_supported
);
564 pi
->link_width
.active
= cpu_to_be16(ppd
->link_width_active
);
566 pi
->link_width_downgrade
.supported
=
567 cpu_to_be16(ppd
->link_width_downgrade_supported
);
568 pi
->link_width_downgrade
.enabled
=
569 cpu_to_be16(ppd
->link_width_downgrade_enabled
);
570 pi
->link_width_downgrade
.tx_active
=
571 cpu_to_be16(ppd
->link_width_downgrade_tx_active
);
572 pi
->link_width_downgrade
.rx_active
=
573 cpu_to_be16(ppd
->link_width_downgrade_rx_active
);
575 pi
->link_speed
.supported
= cpu_to_be16(ppd
->link_speed_supported
);
576 pi
->link_speed
.active
= cpu_to_be16(ppd
->link_speed_active
);
577 pi
->link_speed
.enabled
= cpu_to_be16(ppd
->link_speed_enabled
);
579 state
= driver_lstate(ppd
);
581 if (start_of_sm_config
&& (state
== IB_PORT_INIT
))
582 ppd
->is_sm_config_started
= 1;
584 pi
->port_phys_conf
= __opa_porttype(ppd
) & 0xf;
586 #if PI_LED_ENABLE_SUP
587 pi
->port_states
.ledenable_offlinereason
= ppd
->neighbor_normal
<< 4;
588 pi
->port_states
.ledenable_offlinereason
|=
589 ppd
->is_sm_config_started
<< 5;
590 pi
->port_states
.ledenable_offlinereason
|=
591 ppd
->offline_disabled_reason
& OPA_PI_MASK_OFFLINE_REASON
;
593 pi
->port_states
.offline_reason
= ppd
->neighbor_normal
<< 4;
594 pi
->port_states
.offline_reason
|= ppd
->is_sm_config_started
<< 5;
595 pi
->port_states
.offline_reason
|= ppd
->offline_disabled_reason
&
596 OPA_PI_MASK_OFFLINE_REASON
;
597 #endif /* PI_LED_ENABLE_SUP */
599 pi
->port_states
.portphysstate_portstate
=
600 (hfi1_ibphys_portstate(ppd
) << 4) | state
;
602 pi
->mkeyprotect_lmc
= (ibp
->mkeyprot
<< 6) | ppd
->lmc
;
604 memset(pi
->neigh_mtu
.pvlx_to_mtu
, 0, sizeof(pi
->neigh_mtu
.pvlx_to_mtu
));
605 for (i
= 0; i
< ppd
->vls_supported
; i
++) {
606 mtu
= mtu_to_enum(dd
->vld
[i
].mtu
, HFI1_DEFAULT_ACTIVE_MTU
);
608 pi
->neigh_mtu
.pvlx_to_mtu
[i
/2] |= (mtu
<< 4);
610 pi
->neigh_mtu
.pvlx_to_mtu
[i
/2] |= mtu
;
612 /* don't forget VL 15 */
613 mtu
= mtu_to_enum(dd
->vld
[15].mtu
, 2048);
614 pi
->neigh_mtu
.pvlx_to_mtu
[15/2] |= mtu
;
615 pi
->smsl
= ibp
->sm_sl
& OPA_PI_MASK_SMSL
;
616 pi
->operational_vls
= hfi1_get_ib_cfg(ppd
, HFI1_IB_CFG_OP_VLS
);
617 pi
->partenforce_filterraw
|=
618 (ppd
->linkinit_reason
& OPA_PI_MASK_LINKINIT_REASON
);
619 if (ppd
->part_enforce
& HFI1_PART_ENFORCE_IN
)
620 pi
->partenforce_filterraw
|= OPA_PI_MASK_PARTITION_ENFORCE_IN
;
621 if (ppd
->part_enforce
& HFI1_PART_ENFORCE_OUT
)
622 pi
->partenforce_filterraw
|= OPA_PI_MASK_PARTITION_ENFORCE_OUT
;
623 pi
->mkey_violations
= cpu_to_be16(ibp
->mkey_violations
);
624 /* P_KeyViolations are counted by hardware. */
625 pi
->pkey_violations
= cpu_to_be16(ibp
->pkey_violations
);
626 pi
->qkey_violations
= cpu_to_be16(ibp
->qkey_violations
);
628 pi
->vl
.cap
= ppd
->vls_supported
;
629 pi
->vl
.high_limit
= cpu_to_be16(ibp
->vl_high_limit
);
630 pi
->vl
.arb_high_cap
= (u8
)hfi1_get_ib_cfg(ppd
, HFI1_IB_CFG_VL_HIGH_CAP
);
631 pi
->vl
.arb_low_cap
= (u8
)hfi1_get_ib_cfg(ppd
, HFI1_IB_CFG_VL_LOW_CAP
);
633 pi
->clientrereg_subnettimeout
= ibp
->subnet_timeout
;
635 pi
->port_link_mode
= cpu_to_be16(OPA_PORT_LINK_MODE_OPA
<< 10 |
636 OPA_PORT_LINK_MODE_OPA
<< 5 |
637 OPA_PORT_LINK_MODE_OPA
);
639 pi
->port_ltp_crc_mode
= cpu_to_be16(ppd
->port_ltp_crc_mode
);
641 pi
->port_mode
= cpu_to_be16(
642 ppd
->is_active_optimize_enabled
?
643 OPA_PI_MASK_PORT_ACTIVE_OPTOMIZE
: 0);
645 pi
->port_packet_format
.supported
=
646 cpu_to_be16(OPA_PORT_PACKET_FORMAT_9B
);
647 pi
->port_packet_format
.enabled
=
648 cpu_to_be16(OPA_PORT_PACKET_FORMAT_9B
);
650 /* flit_control.interleave is (OPA V1, version .76):
654 * 2 DistanceSupported
656 * 5 MaxNextLevelTxEnabled
657 * 5 MaxNestLevelRxSupported
659 * HFI supports only "distance mode 1" (see OPA V1, version .76,
660 * section 9.6.2), so set DistanceSupported, DistanceEnabled
663 pi
->flit_control
.interleave
= cpu_to_be16(0x1400);
665 pi
->link_down_reason
= ppd
->local_link_down_reason
.sma
;
666 pi
->neigh_link_down_reason
= ppd
->neigh_link_down_reason
.sma
;
667 pi
->port_error_action
= cpu_to_be32(ppd
->port_error_action
);
668 pi
->mtucap
= mtu_to_enum(hfi1_max_mtu
, IB_MTU_4096
);
670 /* 32.768 usec. response time (guessing) */
671 pi
->resptimevalue
= 3;
673 pi
->local_port_num
= port
;
675 /* buffer info for FM */
676 pi
->overall_buffer_space
= cpu_to_be16(dd
->link_credits
);
678 pi
->neigh_node_guid
= cpu_to_be64(ppd
->neighbor_guid
);
679 pi
->neigh_port_num
= ppd
->neighbor_port_number
;
680 pi
->port_neigh_mode
=
681 (ppd
->neighbor_type
& OPA_PI_MASK_NEIGH_NODE_TYPE
) |
682 (ppd
->mgmt_allowed
? OPA_PI_MASK_NEIGH_MGMT_ALLOWED
: 0) |
683 (ppd
->neighbor_fm_security
?
684 OPA_PI_MASK_NEIGH_FW_AUTH_BYPASS
: 0);
686 /* HFIs shall always return VL15 credits to their
687 * neighbor in a timely manner, without any credit return pacing.
690 buffer_units
= (dd
->vau
) & OPA_PI_MASK_BUF_UNIT_BUF_ALLOC
;
691 buffer_units
|= (dd
->vcu
<< 3) & OPA_PI_MASK_BUF_UNIT_CREDIT_ACK
;
692 buffer_units
|= (credit_rate
<< 6) &
693 OPA_PI_MASK_BUF_UNIT_VL15_CREDIT_RATE
;
694 buffer_units
|= (dd
->vl15_init
<< 11) & OPA_PI_MASK_BUF_UNIT_VL15_INIT
;
695 pi
->buffer_units
= cpu_to_be32(buffer_units
);
697 pi
->opa_cap_mask
= cpu_to_be16(OPA_CAP_MASK3_IsSharedSpaceSupported
);
699 /* HFI supports a replay buffer 128 LTPs in size */
700 pi
->replay_depth
.buffer
= 0x80;
701 /* read the cached value of DC_LCB_STS_ROUND_TRIP_LTP_CNT */
702 read_lcb_cache(DC_LCB_STS_ROUND_TRIP_LTP_CNT
, &tmp
);
704 /* this counter is 16 bits wide, but the replay_depth.wire
705 * variable is only 8 bits */
708 pi
->replay_depth
.wire
= tmp
;
711 *resp_len
+= sizeof(struct opa_port_info
);
713 return reply((struct ib_mad_hdr
*)smp
);
717 * get_pkeys - return the PKEY table
718 * @dd: the hfi1_ib device
719 * @port: the IB port number
720 * @pkeys: the pkey table is placed here
722 static int get_pkeys(struct hfi1_devdata
*dd
, u8 port
, u16
*pkeys
)
724 struct hfi1_pportdata
*ppd
= dd
->pport
+ port
- 1;
726 memcpy(pkeys
, ppd
->pkeys
, sizeof(ppd
->pkeys
));
731 static int __subn_get_opa_pkeytable(struct opa_smp
*smp
, u32 am
, u8
*data
,
732 struct ib_device
*ibdev
, u8 port
,
735 struct hfi1_devdata
*dd
= dd_from_ibdev(ibdev
);
736 u32 n_blocks_req
= OPA_AM_NBLK(am
);
737 u32 start_block
= am
& 0x7ff;
742 unsigned npkeys
= hfi1_get_npkeys(dd
);
745 if (n_blocks_req
== 0) {
746 pr_warn("OPA Get PKey AM Invalid : P = %d; B = 0x%x; N = 0x%x\n",
747 port
, start_block
, n_blocks_req
);
748 smp
->status
|= IB_SMP_INVALID_FIELD
;
749 return reply((struct ib_mad_hdr
*)smp
);
752 n_blocks_avail
= (u16
) (npkeys
/OPA_PARTITION_TABLE_BLK_SIZE
) + 1;
754 size
= (n_blocks_req
* OPA_PARTITION_TABLE_BLK_SIZE
) * sizeof(u16
);
756 if (start_block
+ n_blocks_req
> n_blocks_avail
||
757 n_blocks_req
> OPA_NUM_PKEY_BLOCKS_PER_SMP
) {
758 pr_warn("OPA Get PKey AM Invalid : s 0x%x; req 0x%x; "
759 "avail 0x%x; blk/smp 0x%lx\n",
760 start_block
, n_blocks_req
, n_blocks_avail
,
761 OPA_NUM_PKEY_BLOCKS_PER_SMP
);
762 smp
->status
|= IB_SMP_INVALID_FIELD
;
763 return reply((struct ib_mad_hdr
*)smp
);
768 /* get the real pkeys if we are requesting the first block */
769 if (start_block
== 0) {
770 get_pkeys(dd
, port
, q
);
771 for (i
= 0; i
< npkeys
; i
++)
772 p
[i
] = cpu_to_be16(q
[i
]);
776 smp
->status
|= IB_SMP_INVALID_FIELD
;
778 return reply((struct ib_mad_hdr
*)smp
);
782 HFI_TRANSITION_DISALLOWED
,
783 HFI_TRANSITION_IGNORED
,
784 HFI_TRANSITION_ALLOWED
,
785 HFI_TRANSITION_UNDEFINED
,
789 * Use shortened names to improve readability of
790 * {logical,physical}_state_transitions
793 __D
= HFI_TRANSITION_DISALLOWED
,
794 __I
= HFI_TRANSITION_IGNORED
,
795 __A
= HFI_TRANSITION_ALLOWED
,
796 __U
= HFI_TRANSITION_UNDEFINED
,
800 * IB_PORTPHYSSTATE_POLLING (2) through OPA_PORTPHYSSTATE_MAX (11) are
801 * represented in physical_state_transitions.
803 #define __N_PHYSTATES (OPA_PORTPHYSSTATE_MAX - IB_PORTPHYSSTATE_POLLING + 1)
806 * Within physical_state_transitions, rows represent "old" states,
807 * columns "new" states, and physical_state_transitions.allowed[old][new]
808 * indicates if the transition from old state to new state is legal (see
809 * OPAg1v1, Table 6-4).
811 static const struct {
812 u8 allowed
[__N_PHYSTATES
][__N_PHYSTATES
];
813 } physical_state_transitions
= {
815 /* 2 3 4 5 6 7 8 9 10 11 */
816 /* 2 */ { __A
, __A
, __D
, __D
, __D
, __D
, __D
, __D
, __D
, __D
},
817 /* 3 */ { __A
, __I
, __D
, __D
, __D
, __D
, __D
, __D
, __D
, __A
},
818 /* 4 */ { __U
, __U
, __U
, __U
, __U
, __U
, __U
, __U
, __U
, __U
},
819 /* 5 */ { __A
, __A
, __D
, __I
, __D
, __D
, __D
, __D
, __D
, __D
},
820 /* 6 */ { __U
, __U
, __U
, __U
, __U
, __U
, __U
, __U
, __U
, __U
},
821 /* 7 */ { __D
, __A
, __D
, __D
, __D
, __I
, __D
, __D
, __D
, __D
},
822 /* 8 */ { __U
, __U
, __U
, __U
, __U
, __U
, __U
, __U
, __U
, __U
},
823 /* 9 */ { __I
, __A
, __D
, __D
, __D
, __D
, __D
, __I
, __D
, __D
},
824 /*10 */ { __U
, __U
, __U
, __U
, __U
, __U
, __U
, __U
, __U
, __U
},
825 /*11 */ { __D
, __A
, __D
, __D
, __D
, __D
, __D
, __D
, __D
, __I
},
830 * IB_PORT_DOWN (1) through IB_PORT_ACTIVE_DEFER (5) are represented
831 * logical_state_transitions
834 #define __N_LOGICAL_STATES (IB_PORT_ACTIVE_DEFER - IB_PORT_DOWN + 1)
837 * Within logical_state_transitions rows represent "old" states,
838 * columns "new" states, and logical_state_transitions.allowed[old][new]
839 * indicates if the transition from old state to new state is legal (see
840 * OPAg1v1, Table 9-12).
842 static const struct {
843 u8 allowed
[__N_LOGICAL_STATES
][__N_LOGICAL_STATES
];
844 } logical_state_transitions
= {
847 /* 1 */ { __I
, __D
, __D
, __D
, __U
},
848 /* 2 */ { __D
, __I
, __A
, __D
, __U
},
849 /* 3 */ { __D
, __D
, __I
, __A
, __U
},
850 /* 4 */ { __D
, __D
, __I
, __I
, __U
},
851 /* 5 */ { __U
, __U
, __U
, __U
, __U
},
855 static int logical_transition_allowed(int old
, int new)
857 if (old
< IB_PORT_NOP
|| old
> IB_PORT_ACTIVE_DEFER
||
858 new < IB_PORT_NOP
|| new > IB_PORT_ACTIVE_DEFER
) {
859 pr_warn("invalid logical state(s) (old %d new %d)\n",
861 return HFI_TRANSITION_UNDEFINED
;
864 if (new == IB_PORT_NOP
)
865 return HFI_TRANSITION_ALLOWED
; /* always allowed */
867 /* adjust states for indexing into logical_state_transitions */
871 if (old
< 0 || new < 0)
872 return HFI_TRANSITION_UNDEFINED
;
873 return logical_state_transitions
.allowed
[old
][new];
876 static int physical_transition_allowed(int old
, int new)
878 if (old
< IB_PORTPHYSSTATE_NOP
|| old
> OPA_PORTPHYSSTATE_MAX
||
879 new < IB_PORTPHYSSTATE_NOP
|| new > OPA_PORTPHYSSTATE_MAX
) {
880 pr_warn("invalid physical state(s) (old %d new %d)\n",
882 return HFI_TRANSITION_UNDEFINED
;
885 if (new == IB_PORTPHYSSTATE_NOP
)
886 return HFI_TRANSITION_ALLOWED
; /* always allowed */
888 /* adjust states for indexing into physical_state_transitions */
889 old
-= IB_PORTPHYSSTATE_POLLING
;
890 new -= IB_PORTPHYSSTATE_POLLING
;
892 if (old
< 0 || new < 0)
893 return HFI_TRANSITION_UNDEFINED
;
894 return physical_state_transitions
.allowed
[old
][new];
897 static int port_states_transition_allowed(struct hfi1_pportdata
*ppd
,
898 u32 logical_new
, u32 physical_new
)
900 u32 physical_old
= driver_physical_state(ppd
);
901 u32 logical_old
= driver_logical_state(ppd
);
902 int ret
, logical_allowed
, physical_allowed
;
904 logical_allowed
= ret
=
905 logical_transition_allowed(logical_old
, logical_new
);
907 if (ret
== HFI_TRANSITION_DISALLOWED
||
908 ret
== HFI_TRANSITION_UNDEFINED
) {
909 pr_warn("invalid logical state transition %s -> %s\n",
910 opa_lstate_name(logical_old
),
911 opa_lstate_name(logical_new
));
915 physical_allowed
= ret
=
916 physical_transition_allowed(physical_old
, physical_new
);
918 if (ret
== HFI_TRANSITION_DISALLOWED
||
919 ret
== HFI_TRANSITION_UNDEFINED
) {
920 pr_warn("invalid physical state transition %s -> %s\n",
921 opa_pstate_name(physical_old
),
922 opa_pstate_name(physical_new
));
926 if (logical_allowed
== HFI_TRANSITION_IGNORED
&&
927 physical_allowed
== HFI_TRANSITION_IGNORED
)
928 return HFI_TRANSITION_IGNORED
;
931 * Either physical_allowed or logical_allowed is
932 * HFI_TRANSITION_ALLOWED.
934 return HFI_TRANSITION_ALLOWED
;
937 static int set_port_states(struct hfi1_pportdata
*ppd
, struct opa_smp
*smp
,
938 u32 logical_state
, u32 phys_state
,
939 int suppress_idle_sma
)
941 struct hfi1_devdata
*dd
= ppd
->dd
;
945 ret
= port_states_transition_allowed(ppd
, logical_state
, phys_state
);
946 if (ret
== HFI_TRANSITION_DISALLOWED
||
947 ret
== HFI_TRANSITION_UNDEFINED
) {
948 /* error message emitted above */
949 smp
->status
|= IB_SMP_INVALID_FIELD
;
953 if (ret
== HFI_TRANSITION_IGNORED
)
956 if ((phys_state
!= IB_PORTPHYSSTATE_NOP
) &&
957 !(logical_state
== IB_PORT_DOWN
||
958 logical_state
== IB_PORT_NOP
)){
959 pr_warn("SubnSet(OPA_PortInfo) port state invalid: logical_state 0x%x physical_state 0x%x\n",
960 logical_state
, phys_state
);
961 smp
->status
|= IB_SMP_INVALID_FIELD
;
965 * Logical state changes are summarized in OPAv1g1 spec.,
966 * Table 9-12; physical state changes are summarized in
967 * OPAv1g1 spec., Table 6.4.
969 switch (logical_state
) {
971 if (phys_state
== IB_PORTPHYSSTATE_NOP
)
975 if (phys_state
== IB_PORTPHYSSTATE_NOP
)
976 link_state
= HLS_DN_DOWNDEF
;
977 else if (phys_state
== IB_PORTPHYSSTATE_POLLING
) {
978 link_state
= HLS_DN_POLL
;
979 set_link_down_reason(ppd
,
980 OPA_LINKDOWN_REASON_FM_BOUNCE
, 0,
981 OPA_LINKDOWN_REASON_FM_BOUNCE
);
982 } else if (phys_state
== IB_PORTPHYSSTATE_DISABLED
)
983 link_state
= HLS_DN_DISABLE
;
985 pr_warn("SubnSet(OPA_PortInfo) invalid physical state 0x%x\n",
987 smp
->status
|= IB_SMP_INVALID_FIELD
;
991 set_link_state(ppd
, link_state
);
992 if (link_state
== HLS_DN_DISABLE
&&
993 (ppd
->offline_disabled_reason
>
994 OPA_LINKDOWN_REASON_SMA_DISABLED
||
995 ppd
->offline_disabled_reason
==
996 OPA_LINKDOWN_REASON_NONE
))
997 ppd
->offline_disabled_reason
=
998 OPA_LINKDOWN_REASON_SMA_DISABLED
;
1000 * Don't send a reply if the response would be sent
1001 * through the disabled port.
1003 if (link_state
== HLS_DN_DISABLE
&& smp
->hop_cnt
)
1004 return IB_MAD_RESULT_SUCCESS
| IB_MAD_RESULT_CONSUMED
;
1007 ret
= set_link_state(ppd
, HLS_UP_ARMED
);
1008 if ((ret
== 0) && (suppress_idle_sma
== 0))
1009 send_idle_sma(dd
, SMA_IDLE_ARM
);
1011 case IB_PORT_ACTIVE
:
1012 if (ppd
->neighbor_normal
) {
1013 ret
= set_link_state(ppd
, HLS_UP_ACTIVE
);
1015 send_idle_sma(dd
, SMA_IDLE_ACTIVE
);
1017 pr_warn("SubnSet(OPA_PortInfo) Cannot move to Active with NeighborNormal 0\n");
1018 smp
->status
|= IB_SMP_INVALID_FIELD
;
1022 pr_warn("SubnSet(OPA_PortInfo) invalid logical state 0x%x\n",
1024 smp
->status
|= IB_SMP_INVALID_FIELD
;
1031 * subn_set_opa_portinfo - set port information
1032 * @smp: the incoming SM packet
1033 * @ibdev: the infiniband device
1034 * @port: the port on the device
1037 static int __subn_set_opa_portinfo(struct opa_smp
*smp
, u32 am
, u8
*data
,
1038 struct ib_device
*ibdev
, u8 port
,
1041 struct opa_port_info
*pi
= (struct opa_port_info
*)data
;
1042 struct ib_event event
;
1043 struct hfi1_devdata
*dd
;
1044 struct hfi1_pportdata
*ppd
;
1045 struct hfi1_ibport
*ibp
;
1047 unsigned long flags
;
1048 u32 smlid
, opa_lid
; /* tmp vars to hold LID values */
1050 u8 ls_old
, ls_new
, ps_new
;
1055 u32 num_ports
= OPA_AM_NPORT(am
);
1056 u32 start_of_sm_config
= OPA_AM_START_SM_CFG(am
);
1057 int ret
, i
, invalid
= 0, call_set_mtu
= 0;
1058 int call_link_downgrade_policy
= 0;
1060 if (num_ports
!= 1) {
1061 smp
->status
|= IB_SMP_INVALID_FIELD
;
1062 return reply((struct ib_mad_hdr
*)smp
);
1065 opa_lid
= be32_to_cpu(pi
->lid
);
1066 if (opa_lid
& 0xFFFF0000) {
1067 pr_warn("OPA_PortInfo lid out of range: %X\n", opa_lid
);
1068 smp
->status
|= IB_SMP_INVALID_FIELD
;
1072 lid
= (u16
)(opa_lid
& 0x0000FFFF);
1074 smlid
= be32_to_cpu(pi
->sm_lid
);
1075 if (smlid
& 0xFFFF0000) {
1076 pr_warn("OPA_PortInfo SM lid out of range: %X\n", smlid
);
1077 smp
->status
|= IB_SMP_INVALID_FIELD
;
1080 smlid
&= 0x0000FFFF;
1082 clientrereg
= (pi
->clientrereg_subnettimeout
&
1083 OPA_PI_MASK_CLIENT_REREGISTER
);
1085 dd
= dd_from_ibdev(ibdev
);
1086 /* IB numbers ports from 1, hw from 0 */
1087 ppd
= dd
->pport
+ (port
- 1);
1088 ibp
= &ppd
->ibport_data
;
1089 event
.device
= ibdev
;
1090 event
.element
.port_num
= port
;
1092 ls_old
= driver_lstate(ppd
);
1094 ibp
->mkey
= pi
->mkey
;
1095 ibp
->gid_prefix
= pi
->subnet_prefix
;
1096 ibp
->mkey_lease_period
= be16_to_cpu(pi
->mkey_lease_period
);
1098 /* Must be a valid unicast LID address. */
1099 if ((lid
== 0 && ls_old
> IB_PORT_INIT
) ||
1100 lid
>= be16_to_cpu(IB_MULTICAST_LID_BASE
)) {
1101 smp
->status
|= IB_SMP_INVALID_FIELD
;
1102 pr_warn("SubnSet(OPA_PortInfo) lid invalid 0x%x\n",
1104 } else if (ppd
->lid
!= lid
||
1105 ppd
->lmc
!= (pi
->mkeyprotect_lmc
& OPA_PI_MASK_LMC
)) {
1106 if (ppd
->lid
!= lid
)
1107 hfi1_set_uevent_bits(ppd
, _HFI1_EVENT_LID_CHANGE_BIT
);
1108 if (ppd
->lmc
!= (pi
->mkeyprotect_lmc
& OPA_PI_MASK_LMC
))
1109 hfi1_set_uevent_bits(ppd
, _HFI1_EVENT_LMC_CHANGE_BIT
);
1110 hfi1_set_lid(ppd
, lid
, pi
->mkeyprotect_lmc
& OPA_PI_MASK_LMC
);
1111 event
.event
= IB_EVENT_LID_CHANGE
;
1112 ib_dispatch_event(&event
);
1115 msl
= pi
->smsl
& OPA_PI_MASK_SMSL
;
1116 if (pi
->partenforce_filterraw
& OPA_PI_MASK_LINKINIT_REASON
)
1117 ppd
->linkinit_reason
=
1118 (pi
->partenforce_filterraw
&
1119 OPA_PI_MASK_LINKINIT_REASON
);
1120 /* enable/disable SW pkey checking as per FM control */
1121 if (pi
->partenforce_filterraw
& OPA_PI_MASK_PARTITION_ENFORCE_IN
)
1122 ppd
->part_enforce
|= HFI1_PART_ENFORCE_IN
;
1124 ppd
->part_enforce
&= ~HFI1_PART_ENFORCE_IN
;
1126 if (pi
->partenforce_filterraw
& OPA_PI_MASK_PARTITION_ENFORCE_OUT
)
1127 ppd
->part_enforce
|= HFI1_PART_ENFORCE_OUT
;
1129 ppd
->part_enforce
&= ~HFI1_PART_ENFORCE_OUT
;
1131 /* Must be a valid unicast LID address. */
1132 if ((smlid
== 0 && ls_old
> IB_PORT_INIT
) ||
1133 smlid
>= be16_to_cpu(IB_MULTICAST_LID_BASE
)) {
1134 smp
->status
|= IB_SMP_INVALID_FIELD
;
1135 pr_warn("SubnSet(OPA_PortInfo) smlid invalid 0x%x\n", smlid
);
1136 } else if (smlid
!= ibp
->sm_lid
|| msl
!= ibp
->sm_sl
) {
1137 pr_warn("SubnSet(OPA_PortInfo) smlid 0x%x\n", smlid
);
1138 spin_lock_irqsave(&ibp
->lock
, flags
);
1140 if (smlid
!= ibp
->sm_lid
)
1141 ibp
->sm_ah
->attr
.dlid
= smlid
;
1142 if (msl
!= ibp
->sm_sl
)
1143 ibp
->sm_ah
->attr
.sl
= msl
;
1145 spin_unlock_irqrestore(&ibp
->lock
, flags
);
1146 if (smlid
!= ibp
->sm_lid
)
1147 ibp
->sm_lid
= smlid
;
1148 if (msl
!= ibp
->sm_sl
)
1150 event
.event
= IB_EVENT_SM_CHANGE
;
1151 ib_dispatch_event(&event
);
1154 if (pi
->link_down_reason
== 0) {
1155 ppd
->local_link_down_reason
.sma
= 0;
1156 ppd
->local_link_down_reason
.latest
= 0;
1159 if (pi
->neigh_link_down_reason
== 0) {
1160 ppd
->neigh_link_down_reason
.sma
= 0;
1161 ppd
->neigh_link_down_reason
.latest
= 0;
1164 ppd
->sm_trap_qp
= be32_to_cpu(pi
->sm_trap_qp
);
1165 ppd
->sa_qp
= be32_to_cpu(pi
->sa_qp
);
1167 ppd
->port_error_action
= be32_to_cpu(pi
->port_error_action
);
1168 lwe
= be16_to_cpu(pi
->link_width
.enabled
);
1170 if (lwe
== OPA_LINK_WIDTH_RESET
1171 || lwe
== OPA_LINK_WIDTH_RESET_OLD
)
1172 set_link_width_enabled(ppd
, ppd
->link_width_supported
);
1173 else if ((lwe
& ~ppd
->link_width_supported
) == 0)
1174 set_link_width_enabled(ppd
, lwe
);
1176 smp
->status
|= IB_SMP_INVALID_FIELD
;
1178 lwe
= be16_to_cpu(pi
->link_width_downgrade
.enabled
);
1179 /* LWD.E is always applied - 0 means "disabled" */
1180 if (lwe
== OPA_LINK_WIDTH_RESET
1181 || lwe
== OPA_LINK_WIDTH_RESET_OLD
) {
1182 set_link_width_downgrade_enabled(ppd
,
1183 ppd
->link_width_downgrade_supported
);
1184 } else if ((lwe
& ~ppd
->link_width_downgrade_supported
) == 0) {
1185 /* only set and apply if something changed */
1186 if (lwe
!= ppd
->link_width_downgrade_enabled
) {
1187 set_link_width_downgrade_enabled(ppd
, lwe
);
1188 call_link_downgrade_policy
= 1;
1191 smp
->status
|= IB_SMP_INVALID_FIELD
;
1193 lse
= be16_to_cpu(pi
->link_speed
.enabled
);
1195 if (lse
& be16_to_cpu(pi
->link_speed
.supported
))
1196 set_link_speed_enabled(ppd
, lse
);
1198 smp
->status
|= IB_SMP_INVALID_FIELD
;
1201 ibp
->mkeyprot
= (pi
->mkeyprotect_lmc
& OPA_PI_MASK_MKEY_PROT_BIT
) >> 6;
1202 ibp
->vl_high_limit
= be16_to_cpu(pi
->vl
.high_limit
) & 0xFF;
1203 (void)hfi1_set_ib_cfg(ppd
, HFI1_IB_CFG_VL_HIGH_LIMIT
,
1204 ibp
->vl_high_limit
);
1206 if (ppd
->vls_supported
/2 > ARRAY_SIZE(pi
->neigh_mtu
.pvlx_to_mtu
) ||
1207 ppd
->vls_supported
> ARRAY_SIZE(dd
->vld
)) {
1208 smp
->status
|= IB_SMP_INVALID_FIELD
;
1209 return reply((struct ib_mad_hdr
*)smp
);
1211 for (i
= 0; i
< ppd
->vls_supported
; i
++) {
1213 mtu
= enum_to_mtu((pi
->neigh_mtu
.pvlx_to_mtu
[i
/2] >> 4)
1216 mtu
= enum_to_mtu(pi
->neigh_mtu
.pvlx_to_mtu
[i
/2] & 0xF);
1217 if (mtu
== 0xffff) {
1218 pr_warn("SubnSet(OPA_PortInfo) mtu invalid %d (0x%x)\n",
1220 (pi
->neigh_mtu
.pvlx_to_mtu
[0] >> 4) & 0xF);
1221 smp
->status
|= IB_SMP_INVALID_FIELD
;
1222 mtu
= hfi1_max_mtu
; /* use a valid MTU */
1224 if (dd
->vld
[i
].mtu
!= mtu
) {
1226 "MTU change on vl %d from %d to %d\n",
1227 i
, dd
->vld
[i
].mtu
, mtu
);
1228 dd
->vld
[i
].mtu
= mtu
;
1232 /* As per OPAV1 spec: VL15 must support and be configured
1233 * for operation with a 2048 or larger MTU.
1235 mtu
= enum_to_mtu(pi
->neigh_mtu
.pvlx_to_mtu
[15/2] & 0xF);
1236 if (mtu
< 2048 || mtu
== 0xffff)
1238 if (dd
->vld
[15].mtu
!= mtu
) {
1240 "MTU change on vl 15 from %d to %d\n",
1241 dd
->vld
[15].mtu
, mtu
);
1242 dd
->vld
[15].mtu
= mtu
;
1248 /* Set operational VLs */
1249 vls
= pi
->operational_vls
& OPA_PI_MASK_OPERATIONAL_VL
;
1251 if (vls
> ppd
->vls_supported
) {
1252 pr_warn("SubnSet(OPA_PortInfo) VL's supported invalid %d\n",
1253 pi
->operational_vls
);
1254 smp
->status
|= IB_SMP_INVALID_FIELD
;
1256 if (hfi1_set_ib_cfg(ppd
, HFI1_IB_CFG_OP_VLS
,
1258 smp
->status
|= IB_SMP_INVALID_FIELD
;
1262 if (pi
->mkey_violations
== 0)
1263 ibp
->mkey_violations
= 0;
1265 if (pi
->pkey_violations
== 0)
1266 ibp
->pkey_violations
= 0;
1268 if (pi
->qkey_violations
== 0)
1269 ibp
->qkey_violations
= 0;
1271 ibp
->subnet_timeout
=
1272 pi
->clientrereg_subnettimeout
& OPA_PI_MASK_SUBNET_TIMEOUT
;
1274 crc_enabled
= be16_to_cpu(pi
->port_ltp_crc_mode
);
1278 if (crc_enabled
!= 0)
1279 ppd
->port_crc_mode_enabled
= port_ltp_to_cap(crc_enabled
);
1281 ppd
->is_active_optimize_enabled
=
1282 !!(be16_to_cpu(pi
->port_mode
)
1283 & OPA_PI_MASK_PORT_ACTIVE_OPTOMIZE
);
1285 ls_new
= pi
->port_states
.portphysstate_portstate
&
1286 OPA_PI_MASK_PORT_STATE
;
1287 ps_new
= (pi
->port_states
.portphysstate_portstate
&
1288 OPA_PI_MASK_PORT_PHYSICAL_STATE
) >> 4;
1290 if (ls_old
== IB_PORT_INIT
) {
1291 if (start_of_sm_config
) {
1292 if (ls_new
== ls_old
|| (ls_new
== IB_PORT_ARMED
))
1293 ppd
->is_sm_config_started
= 1;
1294 } else if (ls_new
== IB_PORT_ARMED
) {
1295 if (ppd
->is_sm_config_started
== 0)
1300 /* Handle CLIENT_REREGISTER event b/c SM asked us for it */
1302 event
.event
= IB_EVENT_CLIENT_REREGISTER
;
1303 ib_dispatch_event(&event
);
1307 * Do the port state change now that the other link parameters
1309 * Changing the port physical state only makes sense if the link
1310 * is down or is being set to down.
1313 ret
= set_port_states(ppd
, smp
, ls_new
, ps_new
, invalid
);
1317 ret
= __subn_get_opa_portinfo(smp
, am
, data
, ibdev
, port
, resp_len
);
1319 /* restore re-reg bit per o14-12.2.1 */
1320 pi
->clientrereg_subnettimeout
|= clientrereg
;
1323 * Apply the new link downgrade policy. This may result in a link
1324 * bounce. Do this after everything else so things are settled.
1325 * Possible problem: if setting the port state above fails, then
1326 * the policy change is not applied.
1328 if (call_link_downgrade_policy
)
1329 apply_link_downgrade_policy(ppd
, 0);
1334 return __subn_get_opa_portinfo(smp
, am
, data
, ibdev
, port
, resp_len
);
1338 * set_pkeys - set the PKEY table for ctxt 0
1339 * @dd: the hfi1_ib device
1340 * @port: the IB port number
1341 * @pkeys: the PKEY table
1343 static int set_pkeys(struct hfi1_devdata
*dd
, u8 port
, u16
*pkeys
)
1345 struct hfi1_pportdata
*ppd
;
1348 int update_includes_mgmt_partition
= 0;
1351 * IB port one/two always maps to context zero/one,
1352 * always a kernel context, no locking needed
1353 * If we get here with ppd setup, no need to check
1354 * that rcd is valid.
1356 ppd
= dd
->pport
+ (port
- 1);
1358 * If the update does not include the management pkey, don't do it.
1360 for (i
= 0; i
< ARRAY_SIZE(ppd
->pkeys
); i
++) {
1361 if (pkeys
[i
] == LIM_MGMT_P_KEY
) {
1362 update_includes_mgmt_partition
= 1;
1367 if (!update_includes_mgmt_partition
)
1370 for (i
= 0; i
< ARRAY_SIZE(ppd
->pkeys
); i
++) {
1372 u16 okey
= ppd
->pkeys
[i
];
1377 * The SM gives us the complete PKey table. We have
1378 * to ensure that we put the PKeys in the matching
1381 ppd
->pkeys
[i
] = key
;
1386 struct ib_event event
;
1388 (void)hfi1_set_ib_cfg(ppd
, HFI1_IB_CFG_PKEYS
, 0);
1390 event
.event
= IB_EVENT_PKEY_CHANGE
;
1391 event
.device
= &dd
->verbs_dev
.rdi
.ibdev
;
1392 event
.element
.port_num
= port
;
1393 ib_dispatch_event(&event
);
1398 static int __subn_set_opa_pkeytable(struct opa_smp
*smp
, u32 am
, u8
*data
,
1399 struct ib_device
*ibdev
, u8 port
,
1402 struct hfi1_devdata
*dd
= dd_from_ibdev(ibdev
);
1403 u32 n_blocks_sent
= OPA_AM_NBLK(am
);
1404 u32 start_block
= am
& 0x7ff;
1405 u16
*p
= (u16
*) data
;
1406 __be16
*q
= (__be16
*)data
;
1409 unsigned npkeys
= hfi1_get_npkeys(dd
);
1411 if (n_blocks_sent
== 0) {
1412 pr_warn("OPA Get PKey AM Invalid : P = %d; B = 0x%x; N = 0x%x\n",
1413 port
, start_block
, n_blocks_sent
);
1414 smp
->status
|= IB_SMP_INVALID_FIELD
;
1415 return reply((struct ib_mad_hdr
*)smp
);
1418 n_blocks_avail
= (u16
)(npkeys
/OPA_PARTITION_TABLE_BLK_SIZE
) + 1;
1420 if (start_block
+ n_blocks_sent
> n_blocks_avail
||
1421 n_blocks_sent
> OPA_NUM_PKEY_BLOCKS_PER_SMP
) {
1422 pr_warn("OPA Set PKey AM Invalid : s 0x%x; req 0x%x; avail 0x%x; blk/smp 0x%lx\n",
1423 start_block
, n_blocks_sent
, n_blocks_avail
,
1424 OPA_NUM_PKEY_BLOCKS_PER_SMP
);
1425 smp
->status
|= IB_SMP_INVALID_FIELD
;
1426 return reply((struct ib_mad_hdr
*)smp
);
1429 for (i
= 0; i
< n_blocks_sent
* OPA_PARTITION_TABLE_BLK_SIZE
; i
++)
1430 p
[i
] = be16_to_cpu(q
[i
]);
1432 if (start_block
== 0 && set_pkeys(dd
, port
, p
) != 0) {
1433 smp
->status
|= IB_SMP_INVALID_FIELD
;
1434 return reply((struct ib_mad_hdr
*)smp
);
1437 return __subn_get_opa_pkeytable(smp
, am
, data
, ibdev
, port
, resp_len
);
1440 static int get_sc2vlt_tables(struct hfi1_devdata
*dd
, void *data
)
1444 *val
++ = read_csr(dd
, SEND_SC2VLT0
);
1445 *val
++ = read_csr(dd
, SEND_SC2VLT1
);
1446 *val
++ = read_csr(dd
, SEND_SC2VLT2
);
1447 *val
++ = read_csr(dd
, SEND_SC2VLT3
);
1451 #define ILLEGAL_VL 12
1453 * filter_sc2vlt changes mappings to VL15 to ILLEGAL_VL (except
1454 * for SC15, which must map to VL15). If we don't remap things this
1455 * way it is possible for VL15 counters to increment when we try to
1456 * send on a SC which is mapped to an invalid VL.
1458 static void filter_sc2vlt(void *data
)
1463 for (i
= 0; i
< OPA_MAX_SCS
; i
++) {
1466 if ((pd
[i
] & 0x1f) == 0xf)
1471 static int set_sc2vlt_tables(struct hfi1_devdata
*dd
, void *data
)
1475 filter_sc2vlt(data
);
1477 write_csr(dd
, SEND_SC2VLT0
, *val
++);
1478 write_csr(dd
, SEND_SC2VLT1
, *val
++);
1479 write_csr(dd
, SEND_SC2VLT2
, *val
++);
1480 write_csr(dd
, SEND_SC2VLT3
, *val
++);
1481 write_seqlock_irq(&dd
->sc2vl_lock
);
1482 memcpy(dd
->sc2vl
, data
, sizeof(dd
->sc2vl
));
1483 write_sequnlock_irq(&dd
->sc2vl_lock
);
1487 static int __subn_get_opa_sl_to_sc(struct opa_smp
*smp
, u32 am
, u8
*data
,
1488 struct ib_device
*ibdev
, u8 port
,
1491 struct hfi1_ibport
*ibp
= to_iport(ibdev
, port
);
1493 size_t size
= ARRAY_SIZE(ibp
->sl_to_sc
); /* == 32 */
1497 smp
->status
|= IB_SMP_INVALID_FIELD
;
1498 return reply((struct ib_mad_hdr
*)smp
);
1501 for (i
= 0; i
< ARRAY_SIZE(ibp
->sl_to_sc
); i
++)
1502 *p
++ = ibp
->sl_to_sc
[i
];
1507 return reply((struct ib_mad_hdr
*)smp
);
1510 static int __subn_set_opa_sl_to_sc(struct opa_smp
*smp
, u32 am
, u8
*data
,
1511 struct ib_device
*ibdev
, u8 port
,
1514 struct hfi1_ibport
*ibp
= to_iport(ibdev
, port
);
1519 smp
->status
|= IB_SMP_INVALID_FIELD
;
1520 return reply((struct ib_mad_hdr
*)smp
);
1523 for (i
= 0; i
< ARRAY_SIZE(ibp
->sl_to_sc
); i
++)
1524 ibp
->sl_to_sc
[i
] = *p
++;
1526 return __subn_get_opa_sl_to_sc(smp
, am
, data
, ibdev
, port
, resp_len
);
1529 static int __subn_get_opa_sc_to_sl(struct opa_smp
*smp
, u32 am
, u8
*data
,
1530 struct ib_device
*ibdev
, u8 port
,
1533 struct hfi1_ibport
*ibp
= to_iport(ibdev
, port
);
1535 size_t size
= ARRAY_SIZE(ibp
->sc_to_sl
); /* == 32 */
1539 smp
->status
|= IB_SMP_INVALID_FIELD
;
1540 return reply((struct ib_mad_hdr
*)smp
);
1543 for (i
= 0; i
< ARRAY_SIZE(ibp
->sc_to_sl
); i
++)
1544 *p
++ = ibp
->sc_to_sl
[i
];
1549 return reply((struct ib_mad_hdr
*)smp
);
1552 static int __subn_set_opa_sc_to_sl(struct opa_smp
*smp
, u32 am
, u8
*data
,
1553 struct ib_device
*ibdev
, u8 port
,
1556 struct hfi1_ibport
*ibp
= to_iport(ibdev
, port
);
1561 smp
->status
|= IB_SMP_INVALID_FIELD
;
1562 return reply((struct ib_mad_hdr
*)smp
);
1565 for (i
= 0; i
< ARRAY_SIZE(ibp
->sc_to_sl
); i
++)
1566 ibp
->sc_to_sl
[i
] = *p
++;
1568 return __subn_get_opa_sc_to_sl(smp
, am
, data
, ibdev
, port
, resp_len
);
1571 static int __subn_get_opa_sc_to_vlt(struct opa_smp
*smp
, u32 am
, u8
*data
,
1572 struct ib_device
*ibdev
, u8 port
,
1575 u32 n_blocks
= OPA_AM_NBLK(am
);
1576 struct hfi1_devdata
*dd
= dd_from_ibdev(ibdev
);
1577 void *vp
= (void *) data
;
1578 size_t size
= 4 * sizeof(u64
);
1580 if (n_blocks
!= 1) {
1581 smp
->status
|= IB_SMP_INVALID_FIELD
;
1582 return reply((struct ib_mad_hdr
*)smp
);
1585 get_sc2vlt_tables(dd
, vp
);
1590 return reply((struct ib_mad_hdr
*)smp
);
1593 static int __subn_set_opa_sc_to_vlt(struct opa_smp
*smp
, u32 am
, u8
*data
,
1594 struct ib_device
*ibdev
, u8 port
,
1597 u32 n_blocks
= OPA_AM_NBLK(am
);
1598 int async_update
= OPA_AM_ASYNC(am
);
1599 struct hfi1_devdata
*dd
= dd_from_ibdev(ibdev
);
1600 void *vp
= (void *) data
;
1601 struct hfi1_pportdata
*ppd
;
1604 if (n_blocks
!= 1 || async_update
) {
1605 smp
->status
|= IB_SMP_INVALID_FIELD
;
1606 return reply((struct ib_mad_hdr
*)smp
);
1609 /* IB numbers ports from 1, hw from 0 */
1610 ppd
= dd
->pport
+ (port
- 1);
1611 lstate
= driver_lstate(ppd
);
1612 /* it's known that async_update is 0 by this point, but include
1613 * the explicit check for clarity */
1614 if (!async_update
&&
1615 (lstate
== IB_PORT_ARMED
|| lstate
== IB_PORT_ACTIVE
)) {
1616 smp
->status
|= IB_SMP_INVALID_FIELD
;
1617 return reply((struct ib_mad_hdr
*)smp
);
1620 set_sc2vlt_tables(dd
, vp
);
1622 return __subn_get_opa_sc_to_vlt(smp
, am
, data
, ibdev
, port
, resp_len
);
1625 static int __subn_get_opa_sc_to_vlnt(struct opa_smp
*smp
, u32 am
, u8
*data
,
1626 struct ib_device
*ibdev
, u8 port
,
1629 u32 n_blocks
= OPA_AM_NPORT(am
);
1630 struct hfi1_devdata
*dd
= dd_from_ibdev(ibdev
);
1631 struct hfi1_pportdata
*ppd
;
1632 void *vp
= (void *) data
;
1635 if (n_blocks
!= 1) {
1636 smp
->status
|= IB_SMP_INVALID_FIELD
;
1637 return reply((struct ib_mad_hdr
*)smp
);
1640 ppd
= dd
->pport
+ (port
- 1);
1642 size
= fm_get_table(ppd
, FM_TBL_SC2VLNT
, vp
);
1647 return reply((struct ib_mad_hdr
*)smp
);
1650 static int __subn_set_opa_sc_to_vlnt(struct opa_smp
*smp
, u32 am
, u8
*data
,
1651 struct ib_device
*ibdev
, u8 port
,
1654 u32 n_blocks
= OPA_AM_NPORT(am
);
1655 struct hfi1_devdata
*dd
= dd_from_ibdev(ibdev
);
1656 struct hfi1_pportdata
*ppd
;
1657 void *vp
= (void *) data
;
1660 if (n_blocks
!= 1) {
1661 smp
->status
|= IB_SMP_INVALID_FIELD
;
1662 return reply((struct ib_mad_hdr
*)smp
);
1665 /* IB numbers ports from 1, hw from 0 */
1666 ppd
= dd
->pport
+ (port
- 1);
1667 lstate
= driver_lstate(ppd
);
1668 if (lstate
== IB_PORT_ARMED
|| lstate
== IB_PORT_ACTIVE
) {
1669 smp
->status
|= IB_SMP_INVALID_FIELD
;
1670 return reply((struct ib_mad_hdr
*)smp
);
1673 ppd
= dd
->pport
+ (port
- 1);
1675 fm_set_table(ppd
, FM_TBL_SC2VLNT
, vp
);
1677 return __subn_get_opa_sc_to_vlnt(smp
, am
, data
, ibdev
, port
,
1681 static int __subn_get_opa_psi(struct opa_smp
*smp
, u32 am
, u8
*data
,
1682 struct ib_device
*ibdev
, u8 port
,
1685 u32 nports
= OPA_AM_NPORT(am
);
1686 u32 start_of_sm_config
= OPA_AM_START_SM_CFG(am
);
1688 struct hfi1_ibport
*ibp
;
1689 struct hfi1_pportdata
*ppd
;
1690 struct opa_port_state_info
*psi
= (struct opa_port_state_info
*) data
;
1693 smp
->status
|= IB_SMP_INVALID_FIELD
;
1694 return reply((struct ib_mad_hdr
*)smp
);
1697 ibp
= to_iport(ibdev
, port
);
1698 ppd
= ppd_from_ibp(ibp
);
1700 lstate
= driver_lstate(ppd
);
1702 if (start_of_sm_config
&& (lstate
== IB_PORT_INIT
))
1703 ppd
->is_sm_config_started
= 1;
1705 #if PI_LED_ENABLE_SUP
1706 psi
->port_states
.ledenable_offlinereason
= ppd
->neighbor_normal
<< 4;
1707 psi
->port_states
.ledenable_offlinereason
|=
1708 ppd
->is_sm_config_started
<< 5;
1709 psi
->port_states
.ledenable_offlinereason
|=
1710 ppd
->offline_disabled_reason
& OPA_PI_MASK_OFFLINE_REASON
;
1712 psi
->port_states
.offline_reason
= ppd
->neighbor_normal
<< 4;
1713 psi
->port_states
.offline_reason
|= ppd
->is_sm_config_started
<< 5;
1714 psi
->port_states
.offline_reason
|= ppd
->offline_disabled_reason
&
1715 OPA_PI_MASK_OFFLINE_REASON
;
1716 #endif /* PI_LED_ENABLE_SUP */
1718 psi
->port_states
.portphysstate_portstate
=
1719 (hfi1_ibphys_portstate(ppd
) << 4) | (lstate
& 0xf);
1720 psi
->link_width_downgrade_tx_active
=
1721 cpu_to_be16(ppd
->link_width_downgrade_tx_active
);
1722 psi
->link_width_downgrade_rx_active
=
1723 cpu_to_be16(ppd
->link_width_downgrade_rx_active
);
1725 *resp_len
+= sizeof(struct opa_port_state_info
);
1727 return reply((struct ib_mad_hdr
*)smp
);
1730 static int __subn_set_opa_psi(struct opa_smp
*smp
, u32 am
, u8
*data
,
1731 struct ib_device
*ibdev
, u8 port
,
1734 u32 nports
= OPA_AM_NPORT(am
);
1735 u32 start_of_sm_config
= OPA_AM_START_SM_CFG(am
);
1738 struct hfi1_ibport
*ibp
;
1739 struct hfi1_pportdata
*ppd
;
1740 struct opa_port_state_info
*psi
= (struct opa_port_state_info
*) data
;
1741 int ret
, invalid
= 0;
1744 smp
->status
|= IB_SMP_INVALID_FIELD
;
1745 return reply((struct ib_mad_hdr
*)smp
);
1748 ibp
= to_iport(ibdev
, port
);
1749 ppd
= ppd_from_ibp(ibp
);
1751 ls_old
= driver_lstate(ppd
);
1753 ls_new
= port_states_to_logical_state(&psi
->port_states
);
1754 ps_new
= port_states_to_phys_state(&psi
->port_states
);
1756 if (ls_old
== IB_PORT_INIT
) {
1757 if (start_of_sm_config
) {
1758 if (ls_new
== ls_old
|| (ls_new
== IB_PORT_ARMED
))
1759 ppd
->is_sm_config_started
= 1;
1760 } else if (ls_new
== IB_PORT_ARMED
) {
1761 if (ppd
->is_sm_config_started
== 0)
1766 ret
= set_port_states(ppd
, smp
, ls_new
, ps_new
, invalid
);
1771 smp
->status
|= IB_SMP_INVALID_FIELD
;
1773 return __subn_get_opa_psi(smp
, am
, data
, ibdev
, port
, resp_len
);
1776 static int __subn_get_opa_cable_info(struct opa_smp
*smp
, u32 am
, u8
*data
,
1777 struct ib_device
*ibdev
, u8 port
,
1780 struct hfi1_devdata
*dd
= dd_from_ibdev(ibdev
);
1781 u32 addr
= OPA_AM_CI_ADDR(am
);
1782 u32 len
= OPA_AM_CI_LEN(am
) + 1;
1785 #define __CI_PAGE_SIZE BIT(7) /* 128 bytes */
1786 #define __CI_PAGE_MASK ~(__CI_PAGE_SIZE - 1)
1787 #define __CI_PAGE_NUM(a) ((a) & __CI_PAGE_MASK)
1789 /* check that addr is within spec, and
1790 * addr and (addr + len - 1) are on the same "page" */
1792 (__CI_PAGE_NUM(addr
) != __CI_PAGE_NUM(addr
+ len
- 1))) {
1793 smp
->status
|= IB_SMP_INVALID_FIELD
;
1794 return reply((struct ib_mad_hdr
*)smp
);
1797 ret
= get_cable_info(dd
, port
, addr
, len
, data
);
1799 if (ret
== -ENODEV
) {
1800 smp
->status
|= IB_SMP_UNSUP_METH_ATTR
;
1801 return reply((struct ib_mad_hdr
*)smp
);
1804 /* The address range for the CableInfo SMA query is wider than the
1805 * memory available on the QSFP cable. We want to return a valid
1806 * response, albeit zeroed out, for address ranges beyond available
1807 * memory but that are within the CableInfo query spec
1809 if (ret
< 0 && ret
!= -ERANGE
) {
1810 smp
->status
|= IB_SMP_INVALID_FIELD
;
1811 return reply((struct ib_mad_hdr
*)smp
);
1817 return reply((struct ib_mad_hdr
*)smp
);
1820 static int __subn_get_opa_bct(struct opa_smp
*smp
, u32 am
, u8
*data
,
1821 struct ib_device
*ibdev
, u8 port
, u32
*resp_len
)
1823 u32 num_ports
= OPA_AM_NPORT(am
);
1824 struct hfi1_devdata
*dd
= dd_from_ibdev(ibdev
);
1825 struct hfi1_pportdata
*ppd
;
1826 struct buffer_control
*p
= (struct buffer_control
*) data
;
1829 if (num_ports
!= 1) {
1830 smp
->status
|= IB_SMP_INVALID_FIELD
;
1831 return reply((struct ib_mad_hdr
*)smp
);
1834 ppd
= dd
->pport
+ (port
- 1);
1835 size
= fm_get_table(ppd
, FM_TBL_BUFFER_CONTROL
, p
);
1836 trace_bct_get(dd
, p
);
1840 return reply((struct ib_mad_hdr
*)smp
);
1843 static int __subn_set_opa_bct(struct opa_smp
*smp
, u32 am
, u8
*data
,
1844 struct ib_device
*ibdev
, u8 port
, u32
*resp_len
)
1846 u32 num_ports
= OPA_AM_NPORT(am
);
1847 struct hfi1_devdata
*dd
= dd_from_ibdev(ibdev
);
1848 struct hfi1_pportdata
*ppd
;
1849 struct buffer_control
*p
= (struct buffer_control
*) data
;
1851 if (num_ports
!= 1) {
1852 smp
->status
|= IB_SMP_INVALID_FIELD
;
1853 return reply((struct ib_mad_hdr
*)smp
);
1855 ppd
= dd
->pport
+ (port
- 1);
1856 trace_bct_set(dd
, p
);
1857 if (fm_set_table(ppd
, FM_TBL_BUFFER_CONTROL
, p
) < 0) {
1858 smp
->status
|= IB_SMP_INVALID_FIELD
;
1859 return reply((struct ib_mad_hdr
*)smp
);
1862 return __subn_get_opa_bct(smp
, am
, data
, ibdev
, port
, resp_len
);
1865 static int __subn_get_opa_vl_arb(struct opa_smp
*smp
, u32 am
, u8
*data
,
1866 struct ib_device
*ibdev
, u8 port
,
1869 struct hfi1_pportdata
*ppd
= ppd_from_ibp(to_iport(ibdev
, port
));
1870 u32 num_ports
= OPA_AM_NPORT(am
);
1871 u8 section
= (am
& 0x00ff0000) >> 16;
1875 if (num_ports
!= 1) {
1876 smp
->status
|= IB_SMP_INVALID_FIELD
;
1877 return reply((struct ib_mad_hdr
*)smp
);
1881 case OPA_VLARB_LOW_ELEMENTS
:
1882 size
= fm_get_table(ppd
, FM_TBL_VL_LOW_ARB
, p
);
1884 case OPA_VLARB_HIGH_ELEMENTS
:
1885 size
= fm_get_table(ppd
, FM_TBL_VL_HIGH_ARB
, p
);
1887 case OPA_VLARB_PREEMPT_ELEMENTS
:
1888 size
= fm_get_table(ppd
, FM_TBL_VL_PREEMPT_ELEMS
, p
);
1890 case OPA_VLARB_PREEMPT_MATRIX
:
1891 size
= fm_get_table(ppd
, FM_TBL_VL_PREEMPT_MATRIX
, p
);
1894 pr_warn("OPA SubnGet(VL Arb) AM Invalid : 0x%x\n",
1895 be32_to_cpu(smp
->attr_mod
));
1896 smp
->status
|= IB_SMP_INVALID_FIELD
;
1900 if (size
> 0 && resp_len
)
1903 return reply((struct ib_mad_hdr
*)smp
);
1906 static int __subn_set_opa_vl_arb(struct opa_smp
*smp
, u32 am
, u8
*data
,
1907 struct ib_device
*ibdev
, u8 port
,
1910 struct hfi1_pportdata
*ppd
= ppd_from_ibp(to_iport(ibdev
, port
));
1911 u32 num_ports
= OPA_AM_NPORT(am
);
1912 u8 section
= (am
& 0x00ff0000) >> 16;
1915 if (num_ports
!= 1) {
1916 smp
->status
|= IB_SMP_INVALID_FIELD
;
1917 return reply((struct ib_mad_hdr
*)smp
);
1921 case OPA_VLARB_LOW_ELEMENTS
:
1922 (void) fm_set_table(ppd
, FM_TBL_VL_LOW_ARB
, p
);
1924 case OPA_VLARB_HIGH_ELEMENTS
:
1925 (void) fm_set_table(ppd
, FM_TBL_VL_HIGH_ARB
, p
);
1927 /* neither OPA_VLARB_PREEMPT_ELEMENTS, or OPA_VLARB_PREEMPT_MATRIX
1928 * can be changed from the default values */
1929 case OPA_VLARB_PREEMPT_ELEMENTS
:
1931 case OPA_VLARB_PREEMPT_MATRIX
:
1932 smp
->status
|= IB_SMP_UNSUP_METH_ATTR
;
1935 pr_warn("OPA SubnSet(VL Arb) AM Invalid : 0x%x\n",
1936 be32_to_cpu(smp
->attr_mod
));
1937 smp
->status
|= IB_SMP_INVALID_FIELD
;
1941 return __subn_get_opa_vl_arb(smp
, am
, data
, ibdev
, port
, resp_len
);
1944 struct opa_pma_mad
{
1945 struct ib_mad_hdr mad_hdr
;
1949 struct opa_class_port_info
{
1953 __be32 cap_mask2_resp_time
;
1955 u8 redirect_gid
[16];
1956 __be32 redirect_tc_fl
;
1957 __be32 redirect_lid
;
1958 __be32 redirect_sl_qp
;
1959 __be32 redirect_qkey
;
1968 __be16 redirect_pkey
;
1974 struct opa_port_status_req
{
1977 __be32 vl_select_mask
;
1980 #define VL_MASK_ALL 0x000080ff
1982 struct opa_port_status_rsp
{
1985 __be32 vl_select_mask
;
1988 __be64 port_xmit_data
;
1989 __be64 port_rcv_data
;
1990 __be64 port_xmit_pkts
;
1991 __be64 port_rcv_pkts
;
1992 __be64 port_multicast_xmit_pkts
;
1993 __be64 port_multicast_rcv_pkts
;
1994 __be64 port_xmit_wait
;
1995 __be64 sw_port_congestion
;
1996 __be64 port_rcv_fecn
;
1997 __be64 port_rcv_becn
;
1998 __be64 port_xmit_time_cong
;
1999 __be64 port_xmit_wasted_bw
;
2000 __be64 port_xmit_wait_data
;
2001 __be64 port_rcv_bubble
;
2002 __be64 port_mark_fecn
;
2003 /* Error counters */
2004 __be64 port_rcv_constraint_errors
;
2005 __be64 port_rcv_switch_relay_errors
;
2006 __be64 port_xmit_discards
;
2007 __be64 port_xmit_constraint_errors
;
2008 __be64 port_rcv_remote_physical_errors
;
2009 __be64 local_link_integrity_errors
;
2010 __be64 port_rcv_errors
;
2011 __be64 excessive_buffer_overruns
;
2012 __be64 fm_config_errors
;
2013 __be32 link_error_recovery
;
2015 u8 uncorrectable_errors
;
2017 u8 link_quality_indicator
; /* 5res, 3bit */
2020 /* per-VL Data counters */
2021 __be64 port_vl_xmit_data
;
2022 __be64 port_vl_rcv_data
;
2023 __be64 port_vl_xmit_pkts
;
2024 __be64 port_vl_rcv_pkts
;
2025 __be64 port_vl_xmit_wait
;
2026 __be64 sw_port_vl_congestion
;
2027 __be64 port_vl_rcv_fecn
;
2028 __be64 port_vl_rcv_becn
;
2029 __be64 port_xmit_time_cong
;
2030 __be64 port_vl_xmit_wasted_bw
;
2031 __be64 port_vl_xmit_wait_data
;
2032 __be64 port_vl_rcv_bubble
;
2033 __be64 port_vl_mark_fecn
;
2034 __be64 port_vl_xmit_discards
;
2035 } vls
[0]; /* real array size defined by # bits set in vl_select_mask */
2038 enum counter_selects
{
2039 CS_PORT_XMIT_DATA
= (1 << 31),
2040 CS_PORT_RCV_DATA
= (1 << 30),
2041 CS_PORT_XMIT_PKTS
= (1 << 29),
2042 CS_PORT_RCV_PKTS
= (1 << 28),
2043 CS_PORT_MCAST_XMIT_PKTS
= (1 << 27),
2044 CS_PORT_MCAST_RCV_PKTS
= (1 << 26),
2045 CS_PORT_XMIT_WAIT
= (1 << 25),
2046 CS_SW_PORT_CONGESTION
= (1 << 24),
2047 CS_PORT_RCV_FECN
= (1 << 23),
2048 CS_PORT_RCV_BECN
= (1 << 22),
2049 CS_PORT_XMIT_TIME_CONG
= (1 << 21),
2050 CS_PORT_XMIT_WASTED_BW
= (1 << 20),
2051 CS_PORT_XMIT_WAIT_DATA
= (1 << 19),
2052 CS_PORT_RCV_BUBBLE
= (1 << 18),
2053 CS_PORT_MARK_FECN
= (1 << 17),
2054 CS_PORT_RCV_CONSTRAINT_ERRORS
= (1 << 16),
2055 CS_PORT_RCV_SWITCH_RELAY_ERRORS
= (1 << 15),
2056 CS_PORT_XMIT_DISCARDS
= (1 << 14),
2057 CS_PORT_XMIT_CONSTRAINT_ERRORS
= (1 << 13),
2058 CS_PORT_RCV_REMOTE_PHYSICAL_ERRORS
= (1 << 12),
2059 CS_LOCAL_LINK_INTEGRITY_ERRORS
= (1 << 11),
2060 CS_PORT_RCV_ERRORS
= (1 << 10),
2061 CS_EXCESSIVE_BUFFER_OVERRUNS
= (1 << 9),
2062 CS_FM_CONFIG_ERRORS
= (1 << 8),
2063 CS_LINK_ERROR_RECOVERY
= (1 << 7),
2064 CS_LINK_DOWNED
= (1 << 6),
2065 CS_UNCORRECTABLE_ERRORS
= (1 << 5),
2068 struct opa_clear_port_status
{
2069 __be64 port_select_mask
[4];
2070 __be32 counter_select_mask
;
2073 struct opa_aggregate
{
2075 __be16 err_reqlength
; /* 1 bit, 8 res, 7 bit */
2080 #define MSK_LLI 0x000000f0
2081 #define MSK_LLI_SFT 4
2082 #define MSK_LER 0x0000000f
2083 #define MSK_LER_SFT 0
2087 /* Request contains first three fields, response contains those plus the rest */
2088 struct opa_port_data_counters_msg
{
2089 __be64 port_select_mask
[4];
2090 __be32 vl_select_mask
;
2093 /* Response fields follow */
2094 struct _port_dctrs
{
2097 __be32 link_quality_indicator
; /* 29res, 3bit */
2100 __be64 port_xmit_data
;
2101 __be64 port_rcv_data
;
2102 __be64 port_xmit_pkts
;
2103 __be64 port_rcv_pkts
;
2104 __be64 port_multicast_xmit_pkts
;
2105 __be64 port_multicast_rcv_pkts
;
2106 __be64 port_xmit_wait
;
2107 __be64 sw_port_congestion
;
2108 __be64 port_rcv_fecn
;
2109 __be64 port_rcv_becn
;
2110 __be64 port_xmit_time_cong
;
2111 __be64 port_xmit_wasted_bw
;
2112 __be64 port_xmit_wait_data
;
2113 __be64 port_rcv_bubble
;
2114 __be64 port_mark_fecn
;
2116 __be64 port_error_counter_summary
;
2117 /* Sum of error counts/port */
2120 /* per-VL Data counters */
2121 __be64 port_vl_xmit_data
;
2122 __be64 port_vl_rcv_data
;
2123 __be64 port_vl_xmit_pkts
;
2124 __be64 port_vl_rcv_pkts
;
2125 __be64 port_vl_xmit_wait
;
2126 __be64 sw_port_vl_congestion
;
2127 __be64 port_vl_rcv_fecn
;
2128 __be64 port_vl_rcv_becn
;
2129 __be64 port_xmit_time_cong
;
2130 __be64 port_vl_xmit_wasted_bw
;
2131 __be64 port_vl_xmit_wait_data
;
2132 __be64 port_vl_rcv_bubble
;
2133 __be64 port_vl_mark_fecn
;
2135 /* array size defined by #bits set in vl_select_mask*/
2136 } port
[1]; /* array size defined by #ports in attribute modifier */
2139 struct opa_port_error_counters64_msg
{
2140 /* Request contains first two fields, response contains the
2142 __be64 port_select_mask
[4];
2143 __be32 vl_select_mask
;
2145 /* Response-only fields follow */
2147 struct _port_ectrs
{
2150 __be64 port_rcv_constraint_errors
;
2151 __be64 port_rcv_switch_relay_errors
;
2152 __be64 port_xmit_discards
;
2153 __be64 port_xmit_constraint_errors
;
2154 __be64 port_rcv_remote_physical_errors
;
2155 __be64 local_link_integrity_errors
;
2156 __be64 port_rcv_errors
;
2157 __be64 excessive_buffer_overruns
;
2158 __be64 fm_config_errors
;
2159 __be32 link_error_recovery
;
2161 u8 uncorrectable_errors
;
2164 __be64 port_vl_xmit_discards
;
2166 /* array size defined by #bits set in vl_select_mask */
2167 } port
[1]; /* array size defined by #ports in attribute modifier */
2170 struct opa_port_error_info_msg
{
2171 __be64 port_select_mask
[4];
2172 __be32 error_info_select_mask
;
2179 /* PortRcvErrorInfo */
2185 /* EI1to12 format */
2188 u8 remaining_flit_bits12
;
2192 u8 remaining_flit_bits
;
2196 } __packed port_rcv_ei
;
2198 /* ExcessiveBufferOverrunInfo */
2202 } __packed excessive_buffer_overrun_ei
;
2204 /* PortXmitConstraintErrorInfo */
2210 } __packed port_xmit_constraint_ei
;
2212 /* PortRcvConstraintErrorInfo */
2218 } __packed port_rcv_constraint_ei
;
2220 /* PortRcvSwitchRelayErrorInfo */
2225 } __packed port_rcv_switch_relay_ei
;
2227 /* UncorrectableErrorInfo */
2231 } __packed uncorrectable_ei
;
2233 /* FMConfigErrorInfo */
2237 } __packed fm_config_ei
;
2239 } port
[1]; /* actual array size defined by #ports in attr modifier */
2242 /* opa_port_error_info_msg error_info_select_mask bit definitions */
2243 enum error_info_selects
{
2244 ES_PORT_RCV_ERROR_INFO
= (1 << 31),
2245 ES_EXCESSIVE_BUFFER_OVERRUN_INFO
= (1 << 30),
2246 ES_PORT_XMIT_CONSTRAINT_ERROR_INFO
= (1 << 29),
2247 ES_PORT_RCV_CONSTRAINT_ERROR_INFO
= (1 << 28),
2248 ES_PORT_RCV_SWITCH_RELAY_ERROR_INFO
= (1 << 27),
2249 ES_UNCORRECTABLE_ERROR_INFO
= (1 << 26),
2250 ES_FM_CONFIG_ERROR_INFO
= (1 << 25)
2253 static int pma_get_opa_classportinfo(struct opa_pma_mad
*pmp
,
2254 struct ib_device
*ibdev
, u32
*resp_len
)
2256 struct opa_class_port_info
*p
=
2257 (struct opa_class_port_info
*)pmp
->data
;
2259 memset(pmp
->data
, 0, sizeof(pmp
->data
));
2261 if (pmp
->mad_hdr
.attr_mod
!= 0)
2262 pmp
->mad_hdr
.status
|= IB_SMP_INVALID_FIELD
;
2264 p
->base_version
= OPA_MGMT_BASE_VERSION
;
2265 p
->class_version
= OPA_SMI_CLASS_VERSION
;
2267 * Expected response time is 4.096 usec. * 2^18 == 1.073741824 sec.
2269 p
->cap_mask2_resp_time
= cpu_to_be32(18);
2272 *resp_len
+= sizeof(*p
);
2274 return reply((struct ib_mad_hdr
*)pmp
);
2277 static void a0_portstatus(struct hfi1_pportdata
*ppd
,
2278 struct opa_port_status_rsp
*rsp
, u32 vl_select_mask
)
2280 if (!is_bx(ppd
->dd
)) {
2282 u64 sum_vl_xmit_wait
= 0;
2283 u32 vl_all_mask
= VL_MASK_ALL
;
2285 for_each_set_bit(vl
, (unsigned long *)&(vl_all_mask
),
2286 8 * sizeof(vl_all_mask
)) {
2287 u64 tmp
= sum_vl_xmit_wait
+
2288 read_port_cntr(ppd
, C_TX_WAIT_VL
,
2290 if (tmp
< sum_vl_xmit_wait
) {
2292 sum_vl_xmit_wait
= (u64
)~0;
2295 sum_vl_xmit_wait
= tmp
;
2297 if (be64_to_cpu(rsp
->port_xmit_wait
) > sum_vl_xmit_wait
)
2298 rsp
->port_xmit_wait
= cpu_to_be64(sum_vl_xmit_wait
);
2303 static int pma_get_opa_portstatus(struct opa_pma_mad
*pmp
,
2304 struct ib_device
*ibdev
, u8 port
, u32
*resp_len
)
2306 struct opa_port_status_req
*req
=
2307 (struct opa_port_status_req
*)pmp
->data
;
2308 struct hfi1_devdata
*dd
= dd_from_ibdev(ibdev
);
2309 struct opa_port_status_rsp
*rsp
;
2310 u32 vl_select_mask
= be32_to_cpu(req
->vl_select_mask
);
2312 size_t response_data_size
;
2313 u32 nports
= be32_to_cpu(pmp
->mad_hdr
.attr_mod
) >> 24;
2314 u8 port_num
= req
->port_num
;
2315 u8 num_vls
= hweight32(vl_select_mask
);
2316 struct _vls_pctrs
*vlinfo
;
2317 struct hfi1_ibport
*ibp
= to_iport(ibdev
, port
);
2318 struct hfi1_pportdata
*ppd
= ppd_from_ibp(ibp
);
2322 response_data_size
= sizeof(struct opa_port_status_rsp
) +
2323 num_vls
* sizeof(struct _vls_pctrs
);
2324 if (response_data_size
> sizeof(pmp
->data
)) {
2325 pmp
->mad_hdr
.status
|= OPA_PM_STATUS_REQUEST_TOO_LARGE
;
2326 return reply((struct ib_mad_hdr
*)pmp
);
2329 if (nports
!= 1 || (port_num
&& port_num
!= port
)
2330 || num_vls
> OPA_MAX_VLS
|| (vl_select_mask
& ~VL_MASK_ALL
)) {
2331 pmp
->mad_hdr
.status
|= IB_SMP_INVALID_FIELD
;
2332 return reply((struct ib_mad_hdr
*)pmp
);
2335 memset(pmp
->data
, 0, sizeof(pmp
->data
));
2337 rsp
= (struct opa_port_status_rsp
*)pmp
->data
;
2339 rsp
->port_num
= port_num
;
2341 rsp
->port_num
= port
;
2343 rsp
->port_rcv_constraint_errors
=
2344 cpu_to_be64(read_port_cntr(ppd
, C_SW_RCV_CSTR_ERR
,
2347 hfi1_read_link_quality(dd
, &rsp
->link_quality_indicator
);
2349 rsp
->vl_select_mask
= cpu_to_be32(vl_select_mask
);
2350 rsp
->port_xmit_data
= cpu_to_be64(read_dev_cntr(dd
, C_DC_XMIT_FLITS
,
2352 rsp
->port_rcv_data
= cpu_to_be64(read_dev_cntr(dd
, C_DC_RCV_FLITS
,
2354 rsp
->port_xmit_pkts
= cpu_to_be64(read_dev_cntr(dd
, C_DC_XMIT_PKTS
,
2356 rsp
->port_rcv_pkts
= cpu_to_be64(read_dev_cntr(dd
, C_DC_RCV_PKTS
,
2358 rsp
->port_multicast_xmit_pkts
=
2359 cpu_to_be64(read_dev_cntr(dd
, C_DC_MC_XMIT_PKTS
,
2361 rsp
->port_multicast_rcv_pkts
=
2362 cpu_to_be64(read_dev_cntr(dd
, C_DC_MC_RCV_PKTS
,
2364 rsp
->port_xmit_wait
=
2365 cpu_to_be64(read_port_cntr(ppd
, C_TX_WAIT
, CNTR_INVALID_VL
));
2366 rsp
->port_rcv_fecn
=
2367 cpu_to_be64(read_dev_cntr(dd
, C_DC_RCV_FCN
, CNTR_INVALID_VL
));
2368 rsp
->port_rcv_becn
=
2369 cpu_to_be64(read_dev_cntr(dd
, C_DC_RCV_BCN
, CNTR_INVALID_VL
));
2370 rsp
->port_xmit_discards
=
2371 cpu_to_be64(read_port_cntr(ppd
, C_SW_XMIT_DSCD
,
2373 rsp
->port_xmit_constraint_errors
=
2374 cpu_to_be64(read_port_cntr(ppd
, C_SW_XMIT_CSTR_ERR
,
2376 rsp
->port_rcv_remote_physical_errors
=
2377 cpu_to_be64(read_dev_cntr(dd
, C_DC_RMT_PHY_ERR
,
2379 tmp
= read_dev_cntr(dd
, C_DC_RX_REPLAY
, CNTR_INVALID_VL
);
2380 tmp2
= tmp
+ read_dev_cntr(dd
, C_DC_TX_REPLAY
, CNTR_INVALID_VL
);
2382 /* overflow/wrapped */
2383 rsp
->local_link_integrity_errors
= cpu_to_be64(~0);
2385 rsp
->local_link_integrity_errors
= cpu_to_be64(tmp2
);
2387 tmp
= read_dev_cntr(dd
, C_DC_SEQ_CRC_CNT
, CNTR_INVALID_VL
);
2388 tmp2
= tmp
+ read_dev_cntr(dd
, C_DC_REINIT_FROM_PEER_CNT
,
2390 if (tmp2
> (u32
)UINT_MAX
|| tmp2
< tmp
) {
2391 /* overflow/wrapped */
2392 rsp
->link_error_recovery
= cpu_to_be32(~0);
2394 rsp
->link_error_recovery
= cpu_to_be32(tmp2
);
2396 rsp
->port_rcv_errors
=
2397 cpu_to_be64(read_dev_cntr(dd
, C_DC_RCV_ERR
, CNTR_INVALID_VL
));
2398 rsp
->excessive_buffer_overruns
=
2399 cpu_to_be64(read_dev_cntr(dd
, C_RCV_OVF
, CNTR_INVALID_VL
));
2400 rsp
->fm_config_errors
=
2401 cpu_to_be64(read_dev_cntr(dd
, C_DC_FM_CFG_ERR
,
2403 rsp
->link_downed
= cpu_to_be32(read_port_cntr(ppd
, C_SW_LINK_DOWN
,
2406 /* rsp->uncorrectable_errors is 8 bits wide, and it pegs at 0xff */
2407 tmp
= read_dev_cntr(dd
, C_DC_UNC_ERR
, CNTR_INVALID_VL
);
2408 rsp
->uncorrectable_errors
= tmp
< 0x100 ? (tmp
& 0xff) : 0xff;
2410 vlinfo
= &(rsp
->vls
[0]);
2412 /* The vl_select_mask has been checked above, and we know
2413 * that it contains only entries which represent valid VLs.
2414 * So in the for_each_set_bit() loop below, we don't need
2415 * any additional checks for vl.
2417 for_each_set_bit(vl
, (unsigned long *)&(vl_select_mask
),
2418 8 * sizeof(vl_select_mask
)) {
2419 memset(vlinfo
, 0, sizeof(*vlinfo
));
2421 tmp
= read_dev_cntr(dd
, C_DC_RX_FLIT_VL
, idx_from_vl(vl
));
2422 rsp
->vls
[vfi
].port_vl_rcv_data
= cpu_to_be64(tmp
);
2424 rsp
->vls
[vfi
].port_vl_rcv_pkts
=
2425 cpu_to_be64(read_dev_cntr(dd
, C_DC_RX_PKT_VL
,
2428 rsp
->vls
[vfi
].port_vl_xmit_data
=
2429 cpu_to_be64(read_port_cntr(ppd
, C_TX_FLIT_VL
,
2432 rsp
->vls
[vfi
].port_vl_xmit_pkts
=
2433 cpu_to_be64(read_port_cntr(ppd
, C_TX_PKT_VL
,
2436 rsp
->vls
[vfi
].port_vl_xmit_wait
=
2437 cpu_to_be64(read_port_cntr(ppd
, C_TX_WAIT_VL
,
2440 rsp
->vls
[vfi
].port_vl_rcv_fecn
=
2441 cpu_to_be64(read_dev_cntr(dd
, C_DC_RCV_FCN_VL
,
2444 rsp
->vls
[vfi
].port_vl_rcv_becn
=
2445 cpu_to_be64(read_dev_cntr(dd
, C_DC_RCV_BCN_VL
,
2452 a0_portstatus(ppd
, rsp
, vl_select_mask
);
2455 *resp_len
+= response_data_size
;
2457 return reply((struct ib_mad_hdr
*)pmp
);
2460 static u64
get_error_counter_summary(struct ib_device
*ibdev
, u8 port
,
2461 u8 res_lli
, u8 res_ler
)
2463 struct hfi1_devdata
*dd
= dd_from_ibdev(ibdev
);
2464 struct hfi1_ibport
*ibp
= to_iport(ibdev
, port
);
2465 struct hfi1_pportdata
*ppd
= ppd_from_ibp(ibp
);
2466 u64 error_counter_summary
= 0, tmp
;
2468 error_counter_summary
+= read_port_cntr(ppd
, C_SW_RCV_CSTR_ERR
,
2470 /* port_rcv_switch_relay_errors is 0 for HFIs */
2471 error_counter_summary
+= read_port_cntr(ppd
, C_SW_XMIT_DSCD
,
2473 error_counter_summary
+= read_port_cntr(ppd
, C_SW_XMIT_CSTR_ERR
,
2475 error_counter_summary
+= read_dev_cntr(dd
, C_DC_RMT_PHY_ERR
,
2477 /* local link integrity must be right-shifted by the lli resolution */
2478 tmp
= read_dev_cntr(dd
, C_DC_RX_REPLAY
, CNTR_INVALID_VL
);
2479 tmp
+= read_dev_cntr(dd
, C_DC_TX_REPLAY
, CNTR_INVALID_VL
);
2480 error_counter_summary
+= (tmp
>> res_lli
);
2481 /* link error recovery must b right-shifted by the ler resolution */
2482 tmp
= read_dev_cntr(dd
, C_DC_SEQ_CRC_CNT
, CNTR_INVALID_VL
);
2483 tmp
+= read_dev_cntr(dd
, C_DC_REINIT_FROM_PEER_CNT
, CNTR_INVALID_VL
);
2484 error_counter_summary
+= (tmp
>> res_ler
);
2485 error_counter_summary
+= read_dev_cntr(dd
, C_DC_RCV_ERR
,
2487 error_counter_summary
+= read_dev_cntr(dd
, C_RCV_OVF
, CNTR_INVALID_VL
);
2488 error_counter_summary
+= read_dev_cntr(dd
, C_DC_FM_CFG_ERR
,
2490 /* ppd->link_downed is a 32-bit value */
2491 error_counter_summary
+= read_port_cntr(ppd
, C_SW_LINK_DOWN
,
2493 tmp
= read_dev_cntr(dd
, C_DC_UNC_ERR
, CNTR_INVALID_VL
);
2494 /* this is an 8-bit quantity */
2495 error_counter_summary
+= tmp
< 0x100 ? (tmp
& 0xff) : 0xff;
2497 return error_counter_summary
;
2500 static void a0_datacounters(struct hfi1_pportdata
*ppd
, struct _port_dctrs
*rsp
,
2503 if (!is_bx(ppd
->dd
)) {
2505 u64 sum_vl_xmit_wait
= 0;
2506 u32 vl_all_mask
= VL_MASK_ALL
;
2508 for_each_set_bit(vl
, (unsigned long *)&(vl_all_mask
),
2509 8 * sizeof(vl_all_mask
)) {
2510 u64 tmp
= sum_vl_xmit_wait
+
2511 read_port_cntr(ppd
, C_TX_WAIT_VL
,
2513 if (tmp
< sum_vl_xmit_wait
) {
2515 sum_vl_xmit_wait
= (u64
) ~0;
2518 sum_vl_xmit_wait
= tmp
;
2520 if (be64_to_cpu(rsp
->port_xmit_wait
) > sum_vl_xmit_wait
)
2521 rsp
->port_xmit_wait
= cpu_to_be64(sum_vl_xmit_wait
);
2525 static int pma_get_opa_datacounters(struct opa_pma_mad
*pmp
,
2526 struct ib_device
*ibdev
, u8 port
, u32
*resp_len
)
2528 struct opa_port_data_counters_msg
*req
=
2529 (struct opa_port_data_counters_msg
*)pmp
->data
;
2530 struct hfi1_devdata
*dd
= dd_from_ibdev(ibdev
);
2531 struct hfi1_ibport
*ibp
= to_iport(ibdev
, port
);
2532 struct hfi1_pportdata
*ppd
= ppd_from_ibp(ibp
);
2533 struct _port_dctrs
*rsp
;
2534 struct _vls_dctrs
*vlinfo
;
2535 size_t response_data_size
;
2539 u8 res_lli
, res_ler
;
2541 unsigned long port_num
;
2546 num_ports
= be32_to_cpu(pmp
->mad_hdr
.attr_mod
) >> 24;
2547 num_pslm
= hweight64(be64_to_cpu(req
->port_select_mask
[3]));
2548 num_vls
= hweight32(be32_to_cpu(req
->vl_select_mask
));
2549 vl_select_mask
= be32_to_cpu(req
->vl_select_mask
);
2550 res_lli
= (u8
)(be32_to_cpu(req
->resolution
) & MSK_LLI
) >> MSK_LLI_SFT
;
2551 res_lli
= res_lli
? res_lli
+ ADD_LLI
: 0;
2552 res_ler
= (u8
)(be32_to_cpu(req
->resolution
) & MSK_LER
) >> MSK_LER_SFT
;
2553 res_ler
= res_ler
? res_ler
+ ADD_LER
: 0;
2555 if (num_ports
!= 1 || (vl_select_mask
& ~VL_MASK_ALL
)) {
2556 pmp
->mad_hdr
.status
|= IB_SMP_INVALID_FIELD
;
2557 return reply((struct ib_mad_hdr
*)pmp
);
2561 response_data_size
= sizeof(struct opa_port_data_counters_msg
) +
2562 num_vls
* sizeof(struct _vls_dctrs
);
2564 if (response_data_size
> sizeof(pmp
->data
)) {
2565 pmp
->mad_hdr
.status
|= IB_SMP_INVALID_FIELD
;
2566 return reply((struct ib_mad_hdr
*)pmp
);
2570 * The bit set in the mask needs to be consistent with the
2571 * port the request came in on.
2573 port_mask
= be64_to_cpu(req
->port_select_mask
[3]);
2574 port_num
= find_first_bit((unsigned long *)&port_mask
,
2577 if ((u8
)port_num
!= port
) {
2578 pmp
->mad_hdr
.status
|= IB_SMP_INVALID_FIELD
;
2579 return reply((struct ib_mad_hdr
*)pmp
);
2582 rsp
= (struct _port_dctrs
*)&(req
->port
[0]);
2583 memset(rsp
, 0, sizeof(*rsp
));
2585 rsp
->port_number
= port
;
2587 * Note that link_quality_indicator is a 32 bit quantity in
2588 * 'datacounters' queries (as opposed to 'portinfo' queries,
2589 * where it's a byte).
2591 hfi1_read_link_quality(dd
, &lq
);
2592 rsp
->link_quality_indicator
= cpu_to_be32((u32
)lq
);
2594 /* rsp->sw_port_congestion is 0 for HFIs */
2595 /* rsp->port_xmit_time_cong is 0 for HFIs */
2596 /* rsp->port_xmit_wasted_bw ??? */
2597 /* rsp->port_xmit_wait_data ??? */
2598 /* rsp->port_mark_fecn is 0 for HFIs */
2600 rsp
->port_xmit_data
= cpu_to_be64(read_dev_cntr(dd
, C_DC_XMIT_FLITS
,
2602 rsp
->port_rcv_data
= cpu_to_be64(read_dev_cntr(dd
, C_DC_RCV_FLITS
,
2604 rsp
->port_xmit_pkts
= cpu_to_be64(read_dev_cntr(dd
, C_DC_XMIT_PKTS
,
2606 rsp
->port_rcv_pkts
= cpu_to_be64(read_dev_cntr(dd
, C_DC_RCV_PKTS
,
2608 rsp
->port_multicast_xmit_pkts
=
2609 cpu_to_be64(read_dev_cntr(dd
, C_DC_MC_XMIT_PKTS
,
2611 rsp
->port_multicast_rcv_pkts
=
2612 cpu_to_be64(read_dev_cntr(dd
, C_DC_MC_RCV_PKTS
,
2614 rsp
->port_xmit_wait
=
2615 cpu_to_be64(read_port_cntr(ppd
, C_TX_WAIT
, CNTR_INVALID_VL
));
2616 rsp
->port_rcv_fecn
=
2617 cpu_to_be64(read_dev_cntr(dd
, C_DC_RCV_FCN
, CNTR_INVALID_VL
));
2618 rsp
->port_rcv_becn
=
2619 cpu_to_be64(read_dev_cntr(dd
, C_DC_RCV_BCN
, CNTR_INVALID_VL
));
2621 rsp
->port_error_counter_summary
=
2622 cpu_to_be64(get_error_counter_summary(ibdev
, port
,
2625 vlinfo
= &(rsp
->vls
[0]);
2627 /* The vl_select_mask has been checked above, and we know
2628 * that it contains only entries which represent valid VLs.
2629 * So in the for_each_set_bit() loop below, we don't need
2630 * any additional checks for vl.
2632 for_each_set_bit(vl
, (unsigned long *)&(vl_select_mask
),
2633 8 * sizeof(req
->vl_select_mask
)) {
2634 memset(vlinfo
, 0, sizeof(*vlinfo
));
2636 rsp
->vls
[vfi
].port_vl_xmit_data
=
2637 cpu_to_be64(read_port_cntr(ppd
, C_TX_FLIT_VL
,
2640 rsp
->vls
[vfi
].port_vl_rcv_data
=
2641 cpu_to_be64(read_dev_cntr(dd
, C_DC_RX_FLIT_VL
,
2644 rsp
->vls
[vfi
].port_vl_xmit_pkts
=
2645 cpu_to_be64(read_port_cntr(ppd
, C_TX_PKT_VL
,
2648 rsp
->vls
[vfi
].port_vl_rcv_pkts
=
2649 cpu_to_be64(read_dev_cntr(dd
, C_DC_RX_PKT_VL
,
2652 rsp
->vls
[vfi
].port_vl_xmit_wait
=
2653 cpu_to_be64(read_port_cntr(ppd
, C_TX_WAIT_VL
,
2656 rsp
->vls
[vfi
].port_vl_rcv_fecn
=
2657 cpu_to_be64(read_dev_cntr(dd
, C_DC_RCV_FCN_VL
,
2659 rsp
->vls
[vfi
].port_vl_rcv_becn
=
2660 cpu_to_be64(read_dev_cntr(dd
, C_DC_RCV_BCN_VL
,
2663 /* rsp->port_vl_xmit_time_cong is 0 for HFIs */
2664 /* rsp->port_vl_xmit_wasted_bw ??? */
2665 /* port_vl_xmit_wait_data - TXE (table 13-9 HFI spec) ???
2666 * does this differ from rsp->vls[vfi].port_vl_xmit_wait */
2667 /*rsp->vls[vfi].port_vl_mark_fecn =
2668 cpu_to_be64(read_csr(dd, DCC_PRF_PORT_VL_MARK_FECN_CNT
2675 a0_datacounters(ppd
, rsp
, vl_select_mask
);
2678 *resp_len
+= response_data_size
;
2680 return reply((struct ib_mad_hdr
*)pmp
);
2683 static int pma_get_opa_porterrors(struct opa_pma_mad
*pmp
,
2684 struct ib_device
*ibdev
, u8 port
, u32
*resp_len
)
2686 size_t response_data_size
;
2687 struct _port_ectrs
*rsp
;
2688 unsigned long port_num
;
2689 struct opa_port_error_counters64_msg
*req
;
2690 struct hfi1_devdata
*dd
= dd_from_ibdev(ibdev
);
2694 struct hfi1_ibport
*ibp
;
2695 struct hfi1_pportdata
*ppd
;
2696 struct _vls_ectrs
*vlinfo
;
2698 u64 port_mask
, tmp
, tmp2
;
2702 req
= (struct opa_port_error_counters64_msg
*)pmp
->data
;
2704 num_ports
= be32_to_cpu(pmp
->mad_hdr
.attr_mod
) >> 24;
2706 num_pslm
= hweight64(be64_to_cpu(req
->port_select_mask
[3]));
2707 num_vls
= hweight32(be32_to_cpu(req
->vl_select_mask
));
2709 if (num_ports
!= 1 || num_ports
!= num_pslm
) {
2710 pmp
->mad_hdr
.status
|= IB_SMP_INVALID_FIELD
;
2711 return reply((struct ib_mad_hdr
*)pmp
);
2714 response_data_size
= sizeof(struct opa_port_error_counters64_msg
) +
2715 num_vls
* sizeof(struct _vls_ectrs
);
2717 if (response_data_size
> sizeof(pmp
->data
)) {
2718 pmp
->mad_hdr
.status
|= IB_SMP_INVALID_FIELD
;
2719 return reply((struct ib_mad_hdr
*)pmp
);
2722 * The bit set in the mask needs to be consistent with the
2723 * port the request came in on.
2725 port_mask
= be64_to_cpu(req
->port_select_mask
[3]);
2726 port_num
= find_first_bit((unsigned long *)&port_mask
,
2729 if ((u8
)port_num
!= port
) {
2730 pmp
->mad_hdr
.status
|= IB_SMP_INVALID_FIELD
;
2731 return reply((struct ib_mad_hdr
*)pmp
);
2734 rsp
= (struct _port_ectrs
*)&(req
->port
[0]);
2736 ibp
= to_iport(ibdev
, port_num
);
2737 ppd
= ppd_from_ibp(ibp
);
2739 memset(rsp
, 0, sizeof(*rsp
));
2740 rsp
->port_number
= (u8
)port_num
;
2742 rsp
->port_rcv_constraint_errors
=
2743 cpu_to_be64(read_port_cntr(ppd
, C_SW_RCV_CSTR_ERR
,
2745 /* port_rcv_switch_relay_errors is 0 for HFIs */
2746 rsp
->port_xmit_discards
=
2747 cpu_to_be64(read_port_cntr(ppd
, C_SW_XMIT_DSCD
,
2749 rsp
->port_rcv_remote_physical_errors
=
2750 cpu_to_be64(read_dev_cntr(dd
, C_DC_RMT_PHY_ERR
,
2752 tmp
= read_dev_cntr(dd
, C_DC_RX_REPLAY
, CNTR_INVALID_VL
);
2753 tmp2
= tmp
+ read_dev_cntr(dd
, C_DC_TX_REPLAY
, CNTR_INVALID_VL
);
2755 /* overflow/wrapped */
2756 rsp
->local_link_integrity_errors
= cpu_to_be64(~0);
2758 rsp
->local_link_integrity_errors
= cpu_to_be64(tmp2
);
2760 tmp
= read_dev_cntr(dd
, C_DC_SEQ_CRC_CNT
, CNTR_INVALID_VL
);
2761 tmp2
= tmp
+ read_dev_cntr(dd
, C_DC_REINIT_FROM_PEER_CNT
,
2763 if (tmp2
> (u32
)UINT_MAX
|| tmp2
< tmp
) {
2764 /* overflow/wrapped */
2765 rsp
->link_error_recovery
= cpu_to_be32(~0);
2767 rsp
->link_error_recovery
= cpu_to_be32(tmp2
);
2769 rsp
->port_xmit_constraint_errors
=
2770 cpu_to_be64(read_port_cntr(ppd
, C_SW_XMIT_CSTR_ERR
,
2772 rsp
->excessive_buffer_overruns
=
2773 cpu_to_be64(read_dev_cntr(dd
, C_RCV_OVF
, CNTR_INVALID_VL
));
2774 rsp
->fm_config_errors
=
2775 cpu_to_be64(read_dev_cntr(dd
, C_DC_FM_CFG_ERR
,
2777 rsp
->link_downed
= cpu_to_be32(read_port_cntr(ppd
, C_SW_LINK_DOWN
,
2779 tmp
= read_dev_cntr(dd
, C_DC_UNC_ERR
, CNTR_INVALID_VL
);
2780 rsp
->uncorrectable_errors
= tmp
< 0x100 ? (tmp
& 0xff) : 0xff;
2782 vlinfo
= (struct _vls_ectrs
*)&(rsp
->vls
[0]);
2784 vl_select_mask
= be32_to_cpu(req
->vl_select_mask
);
2785 for_each_set_bit(vl
, (unsigned long *)&(vl_select_mask
),
2786 8 * sizeof(req
->vl_select_mask
)) {
2787 memset(vlinfo
, 0, sizeof(*vlinfo
));
2788 /* vlinfo->vls[vfi].port_vl_xmit_discards ??? */
2794 *resp_len
+= response_data_size
;
2796 return reply((struct ib_mad_hdr
*)pmp
);
2799 static int pma_get_opa_errorinfo(struct opa_pma_mad
*pmp
,
2800 struct ib_device
*ibdev
, u8 port
, u32
*resp_len
)
2802 size_t response_data_size
;
2803 struct _port_ei
*rsp
;
2804 struct opa_port_error_info_msg
*req
;
2805 struct hfi1_devdata
*dd
= dd_from_ibdev(ibdev
);
2808 unsigned long port_num
;
2812 req
= (struct opa_port_error_info_msg
*)pmp
->data
;
2813 rsp
= (struct _port_ei
*)&(req
->port
[0]);
2815 num_ports
= OPA_AM_NPORT(be32_to_cpu(pmp
->mad_hdr
.attr_mod
));
2816 num_pslm
= hweight64(be64_to_cpu(req
->port_select_mask
[3]));
2818 memset(rsp
, 0, sizeof(*rsp
));
2820 if (num_ports
!= 1 || num_ports
!= num_pslm
) {
2821 pmp
->mad_hdr
.status
|= IB_SMP_INVALID_FIELD
;
2822 return reply((struct ib_mad_hdr
*)pmp
);
2826 response_data_size
= sizeof(struct opa_port_error_info_msg
);
2828 if (response_data_size
> sizeof(pmp
->data
)) {
2829 pmp
->mad_hdr
.status
|= IB_SMP_INVALID_FIELD
;
2830 return reply((struct ib_mad_hdr
*)pmp
);
2834 * The bit set in the mask needs to be consistent with the port
2835 * the request came in on.
2837 port_mask
= be64_to_cpu(req
->port_select_mask
[3]);
2838 port_num
= find_first_bit((unsigned long *)&port_mask
,
2841 if ((u8
)port_num
!= port
) {
2842 pmp
->mad_hdr
.status
|= IB_SMP_INVALID_FIELD
;
2843 return reply((struct ib_mad_hdr
*)pmp
);
2846 /* PortRcvErrorInfo */
2847 rsp
->port_rcv_ei
.status_and_code
=
2848 dd
->err_info_rcvport
.status_and_code
;
2849 memcpy(&rsp
->port_rcv_ei
.ei
.ei1to12
.packet_flit1
,
2850 &dd
->err_info_rcvport
.packet_flit1
, sizeof(u64
));
2851 memcpy(&rsp
->port_rcv_ei
.ei
.ei1to12
.packet_flit2
,
2852 &dd
->err_info_rcvport
.packet_flit2
, sizeof(u64
));
2854 /* ExcessiverBufferOverrunInfo */
2855 reg
= read_csr(dd
, RCV_ERR_INFO
);
2856 if (reg
& RCV_ERR_INFO_RCV_EXCESS_BUFFER_OVERRUN_SMASK
) {
2857 /* if the RcvExcessBufferOverrun bit is set, save SC of
2858 * first pkt that encountered an excess buffer overrun */
2861 tmp
&= RCV_ERR_INFO_RCV_EXCESS_BUFFER_OVERRUN_SC_SMASK
;
2863 rsp
->excessive_buffer_overrun_ei
.status_and_sc
= tmp
;
2864 /* set the status bit */
2865 rsp
->excessive_buffer_overrun_ei
.status_and_sc
|= 0x80;
2868 rsp
->port_xmit_constraint_ei
.status
=
2869 dd
->err_info_xmit_constraint
.status
;
2870 rsp
->port_xmit_constraint_ei
.pkey
=
2871 cpu_to_be16(dd
->err_info_xmit_constraint
.pkey
);
2872 rsp
->port_xmit_constraint_ei
.slid
=
2873 cpu_to_be32(dd
->err_info_xmit_constraint
.slid
);
2875 rsp
->port_rcv_constraint_ei
.status
=
2876 dd
->err_info_rcv_constraint
.status
;
2877 rsp
->port_rcv_constraint_ei
.pkey
=
2878 cpu_to_be16(dd
->err_info_rcv_constraint
.pkey
);
2879 rsp
->port_rcv_constraint_ei
.slid
=
2880 cpu_to_be32(dd
->err_info_rcv_constraint
.slid
);
2882 /* UncorrectableErrorInfo */
2883 rsp
->uncorrectable_ei
.status_and_code
= dd
->err_info_uncorrectable
;
2885 /* FMConfigErrorInfo */
2886 rsp
->fm_config_ei
.status_and_code
= dd
->err_info_fmconfig
;
2889 *resp_len
+= response_data_size
;
2891 return reply((struct ib_mad_hdr
*)pmp
);
2894 static int pma_set_opa_portstatus(struct opa_pma_mad
*pmp
,
2895 struct ib_device
*ibdev
, u8 port
, u32
*resp_len
)
2897 struct opa_clear_port_status
*req
=
2898 (struct opa_clear_port_status
*)pmp
->data
;
2899 struct hfi1_devdata
*dd
= dd_from_ibdev(ibdev
);
2900 struct hfi1_ibport
*ibp
= to_iport(ibdev
, port
);
2901 struct hfi1_pportdata
*ppd
= ppd_from_ibp(ibp
);
2902 u32 nports
= be32_to_cpu(pmp
->mad_hdr
.attr_mod
) >> 24;
2903 u64 portn
= be64_to_cpu(req
->port_select_mask
[3]);
2904 u32 counter_select
= be32_to_cpu(req
->counter_select_mask
);
2905 u32 vl_select_mask
= VL_MASK_ALL
; /* clear all per-vl cnts */
2908 if ((nports
!= 1) || (portn
!= 1 << port
)) {
2909 pmp
->mad_hdr
.status
|= IB_SMP_INVALID_FIELD
;
2910 return reply((struct ib_mad_hdr
*)pmp
);
2913 * only counters returned by pma_get_opa_portstatus() are
2914 * handled, so when pma_get_opa_portstatus() gets a fix,
2915 * the corresponding change should be made here as well.
2918 if (counter_select
& CS_PORT_XMIT_DATA
)
2919 write_dev_cntr(dd
, C_DC_XMIT_FLITS
, CNTR_INVALID_VL
, 0);
2921 if (counter_select
& CS_PORT_RCV_DATA
)
2922 write_dev_cntr(dd
, C_DC_RCV_FLITS
, CNTR_INVALID_VL
, 0);
2924 if (counter_select
& CS_PORT_XMIT_PKTS
)
2925 write_dev_cntr(dd
, C_DC_XMIT_PKTS
, CNTR_INVALID_VL
, 0);
2927 if (counter_select
& CS_PORT_RCV_PKTS
)
2928 write_dev_cntr(dd
, C_DC_RCV_PKTS
, CNTR_INVALID_VL
, 0);
2930 if (counter_select
& CS_PORT_MCAST_XMIT_PKTS
)
2931 write_dev_cntr(dd
, C_DC_MC_XMIT_PKTS
, CNTR_INVALID_VL
, 0);
2933 if (counter_select
& CS_PORT_MCAST_RCV_PKTS
)
2934 write_dev_cntr(dd
, C_DC_MC_RCV_PKTS
, CNTR_INVALID_VL
, 0);
2936 if (counter_select
& CS_PORT_XMIT_WAIT
)
2937 write_port_cntr(ppd
, C_TX_WAIT
, CNTR_INVALID_VL
, 0);
2939 /* ignore cs_sw_portCongestion for HFIs */
2941 if (counter_select
& CS_PORT_RCV_FECN
)
2942 write_dev_cntr(dd
, C_DC_RCV_FCN
, CNTR_INVALID_VL
, 0);
2944 if (counter_select
& CS_PORT_RCV_BECN
)
2945 write_dev_cntr(dd
, C_DC_RCV_BCN
, CNTR_INVALID_VL
, 0);
2947 /* ignore cs_port_xmit_time_cong for HFIs */
2948 /* ignore cs_port_xmit_wasted_bw for now */
2949 /* ignore cs_port_xmit_wait_data for now */
2950 if (counter_select
& CS_PORT_RCV_BUBBLE
)
2951 write_dev_cntr(dd
, C_DC_RCV_BBL
, CNTR_INVALID_VL
, 0);
2953 /* Only applicable for switch */
2954 /*if (counter_select & CS_PORT_MARK_FECN)
2955 write_csr(dd, DCC_PRF_PORT_MARK_FECN_CNT, 0);*/
2957 if (counter_select
& CS_PORT_RCV_CONSTRAINT_ERRORS
)
2958 write_port_cntr(ppd
, C_SW_RCV_CSTR_ERR
, CNTR_INVALID_VL
, 0);
2960 /* ignore cs_port_rcv_switch_relay_errors for HFIs */
2961 if (counter_select
& CS_PORT_XMIT_DISCARDS
)
2962 write_port_cntr(ppd
, C_SW_XMIT_DSCD
, CNTR_INVALID_VL
, 0);
2964 if (counter_select
& CS_PORT_XMIT_CONSTRAINT_ERRORS
)
2965 write_port_cntr(ppd
, C_SW_XMIT_CSTR_ERR
, CNTR_INVALID_VL
, 0);
2967 if (counter_select
& CS_PORT_RCV_REMOTE_PHYSICAL_ERRORS
)
2968 write_dev_cntr(dd
, C_DC_RMT_PHY_ERR
, CNTR_INVALID_VL
, 0);
2970 if (counter_select
& CS_LOCAL_LINK_INTEGRITY_ERRORS
) {
2971 write_dev_cntr(dd
, C_DC_TX_REPLAY
, CNTR_INVALID_VL
, 0);
2972 write_dev_cntr(dd
, C_DC_RX_REPLAY
, CNTR_INVALID_VL
, 0);
2975 if (counter_select
& CS_LINK_ERROR_RECOVERY
) {
2976 write_dev_cntr(dd
, C_DC_SEQ_CRC_CNT
, CNTR_INVALID_VL
, 0);
2977 write_dev_cntr(dd
, C_DC_REINIT_FROM_PEER_CNT
,
2978 CNTR_INVALID_VL
, 0);
2981 if (counter_select
& CS_PORT_RCV_ERRORS
)
2982 write_dev_cntr(dd
, C_DC_RCV_ERR
, CNTR_INVALID_VL
, 0);
2984 if (counter_select
& CS_EXCESSIVE_BUFFER_OVERRUNS
) {
2985 write_dev_cntr(dd
, C_RCV_OVF
, CNTR_INVALID_VL
, 0);
2986 dd
->rcv_ovfl_cnt
= 0;
2989 if (counter_select
& CS_FM_CONFIG_ERRORS
)
2990 write_dev_cntr(dd
, C_DC_FM_CFG_ERR
, CNTR_INVALID_VL
, 0);
2992 if (counter_select
& CS_LINK_DOWNED
)
2993 write_port_cntr(ppd
, C_SW_LINK_DOWN
, CNTR_INVALID_VL
, 0);
2995 if (counter_select
& CS_UNCORRECTABLE_ERRORS
)
2996 write_dev_cntr(dd
, C_DC_UNC_ERR
, CNTR_INVALID_VL
, 0);
2998 for_each_set_bit(vl
, (unsigned long *)&(vl_select_mask
),
2999 8 * sizeof(vl_select_mask
)) {
3001 if (counter_select
& CS_PORT_XMIT_DATA
)
3002 write_port_cntr(ppd
, C_TX_FLIT_VL
, idx_from_vl(vl
), 0);
3004 if (counter_select
& CS_PORT_RCV_DATA
)
3005 write_dev_cntr(dd
, C_DC_RX_FLIT_VL
, idx_from_vl(vl
), 0);
3007 if (counter_select
& CS_PORT_XMIT_PKTS
)
3008 write_port_cntr(ppd
, C_TX_PKT_VL
, idx_from_vl(vl
), 0);
3010 if (counter_select
& CS_PORT_RCV_PKTS
)
3011 write_dev_cntr(dd
, C_DC_RX_PKT_VL
, idx_from_vl(vl
), 0);
3013 if (counter_select
& CS_PORT_XMIT_WAIT
)
3014 write_port_cntr(ppd
, C_TX_WAIT_VL
, idx_from_vl(vl
), 0);
3016 /* sw_port_vl_congestion is 0 for HFIs */
3017 if (counter_select
& CS_PORT_RCV_FECN
)
3018 write_dev_cntr(dd
, C_DC_RCV_FCN_VL
, idx_from_vl(vl
), 0);
3020 if (counter_select
& CS_PORT_RCV_BECN
)
3021 write_dev_cntr(dd
, C_DC_RCV_BCN_VL
, idx_from_vl(vl
), 0);
3023 /* port_vl_xmit_time_cong is 0 for HFIs */
3024 /* port_vl_xmit_wasted_bw ??? */
3025 /* port_vl_xmit_wait_data - TXE (table 13-9 HFI spec) ??? */
3026 if (counter_select
& CS_PORT_RCV_BUBBLE
)
3027 write_dev_cntr(dd
, C_DC_RCV_BBL_VL
, idx_from_vl(vl
), 0);
3029 /*if (counter_select & CS_PORT_MARK_FECN)
3030 write_csr(dd, DCC_PRF_PORT_VL_MARK_FECN_CNT + offset, 0);
3032 /* port_vl_xmit_discards ??? */
3036 *resp_len
+= sizeof(*req
);
3038 return reply((struct ib_mad_hdr
*)pmp
);
3041 static int pma_set_opa_errorinfo(struct opa_pma_mad
*pmp
,
3042 struct ib_device
*ibdev
, u8 port
, u32
*resp_len
)
3044 struct _port_ei
*rsp
;
3045 struct opa_port_error_info_msg
*req
;
3046 struct hfi1_devdata
*dd
= dd_from_ibdev(ibdev
);
3049 unsigned long port_num
;
3051 u32 error_info_select
;
3053 req
= (struct opa_port_error_info_msg
*)pmp
->data
;
3054 rsp
= (struct _port_ei
*)&(req
->port
[0]);
3056 num_ports
= OPA_AM_NPORT(be32_to_cpu(pmp
->mad_hdr
.attr_mod
));
3057 num_pslm
= hweight64(be64_to_cpu(req
->port_select_mask
[3]));
3059 memset(rsp
, 0, sizeof(*rsp
));
3061 if (num_ports
!= 1 || num_ports
!= num_pslm
) {
3062 pmp
->mad_hdr
.status
|= IB_SMP_INVALID_FIELD
;
3063 return reply((struct ib_mad_hdr
*)pmp
);
3067 * The bit set in the mask needs to be consistent with the port
3068 * the request came in on.
3070 port_mask
= be64_to_cpu(req
->port_select_mask
[3]);
3071 port_num
= find_first_bit((unsigned long *)&port_mask
,
3074 if ((u8
)port_num
!= port
) {
3075 pmp
->mad_hdr
.status
|= IB_SMP_INVALID_FIELD
;
3076 return reply((struct ib_mad_hdr
*)pmp
);
3079 error_info_select
= be32_to_cpu(req
->error_info_select_mask
);
3081 /* PortRcvErrorInfo */
3082 if (error_info_select
& ES_PORT_RCV_ERROR_INFO
)
3083 /* turn off status bit */
3084 dd
->err_info_rcvport
.status_and_code
&= ~OPA_EI_STATUS_SMASK
;
3086 /* ExcessiverBufferOverrunInfo */
3087 if (error_info_select
& ES_EXCESSIVE_BUFFER_OVERRUN_INFO
)
3088 /* status bit is essentially kept in the h/w - bit 5 of
3090 write_csr(dd
, RCV_ERR_INFO
,
3091 RCV_ERR_INFO_RCV_EXCESS_BUFFER_OVERRUN_SMASK
);
3093 if (error_info_select
& ES_PORT_XMIT_CONSTRAINT_ERROR_INFO
)
3094 dd
->err_info_xmit_constraint
.status
&= ~OPA_EI_STATUS_SMASK
;
3096 if (error_info_select
& ES_PORT_RCV_CONSTRAINT_ERROR_INFO
)
3097 dd
->err_info_rcv_constraint
.status
&= ~OPA_EI_STATUS_SMASK
;
3099 /* UncorrectableErrorInfo */
3100 if (error_info_select
& ES_UNCORRECTABLE_ERROR_INFO
)
3101 /* turn off status bit */
3102 dd
->err_info_uncorrectable
&= ~OPA_EI_STATUS_SMASK
;
3104 /* FMConfigErrorInfo */
3105 if (error_info_select
& ES_FM_CONFIG_ERROR_INFO
)
3106 /* turn off status bit */
3107 dd
->err_info_fmconfig
&= ~OPA_EI_STATUS_SMASK
;
3110 *resp_len
+= sizeof(*req
);
3112 return reply((struct ib_mad_hdr
*)pmp
);
3115 struct opa_congestion_info_attr
{
3116 __be16 congestion_info
;
3117 u8 control_table_cap
; /* Multiple of 64 entry unit CCTs */
3118 u8 congestion_log_length
;
3121 static int __subn_get_opa_cong_info(struct opa_smp
*smp
, u32 am
, u8
*data
,
3122 struct ib_device
*ibdev
, u8 port
,
3125 struct opa_congestion_info_attr
*p
=
3126 (struct opa_congestion_info_attr
*)data
;
3127 struct hfi1_ibport
*ibp
= to_iport(ibdev
, port
);
3128 struct hfi1_pportdata
*ppd
= ppd_from_ibp(ibp
);
3130 p
->congestion_info
= 0;
3131 p
->control_table_cap
= ppd
->cc_max_table_entries
;
3132 p
->congestion_log_length
= OPA_CONG_LOG_ELEMS
;
3135 *resp_len
+= sizeof(*p
);
3137 return reply((struct ib_mad_hdr
*)smp
);
3140 static int __subn_get_opa_cong_setting(struct opa_smp
*smp
, u32 am
,
3142 struct ib_device
*ibdev
,
3143 u8 port
, u32
*resp_len
)
3146 struct opa_congestion_setting_attr
*p
=
3147 (struct opa_congestion_setting_attr
*) data
;
3148 struct hfi1_ibport
*ibp
= to_iport(ibdev
, port
);
3149 struct hfi1_pportdata
*ppd
= ppd_from_ibp(ibp
);
3150 struct opa_congestion_setting_entry_shadow
*entries
;
3151 struct cc_state
*cc_state
;
3155 cc_state
= get_cc_state(ppd
);
3157 if (cc_state
== NULL
) {
3159 return reply((struct ib_mad_hdr
*)smp
);
3162 entries
= cc_state
->cong_setting
.entries
;
3163 p
->port_control
= cpu_to_be16(cc_state
->cong_setting
.port_control
);
3164 p
->control_map
= cpu_to_be32(cc_state
->cong_setting
.control_map
);
3165 for (i
= 0; i
< OPA_MAX_SLS
; i
++) {
3166 p
->entries
[i
].ccti_increase
= entries
[i
].ccti_increase
;
3167 p
->entries
[i
].ccti_timer
= cpu_to_be16(entries
[i
].ccti_timer
);
3168 p
->entries
[i
].trigger_threshold
=
3169 entries
[i
].trigger_threshold
;
3170 p
->entries
[i
].ccti_min
= entries
[i
].ccti_min
;
3176 *resp_len
+= sizeof(*p
);
3178 return reply((struct ib_mad_hdr
*)smp
);
3181 static int __subn_set_opa_cong_setting(struct opa_smp
*smp
, u32 am
, u8
*data
,
3182 struct ib_device
*ibdev
, u8 port
,
3185 struct opa_congestion_setting_attr
*p
=
3186 (struct opa_congestion_setting_attr
*) data
;
3187 struct hfi1_ibport
*ibp
= to_iport(ibdev
, port
);
3188 struct hfi1_pportdata
*ppd
= ppd_from_ibp(ibp
);
3189 struct opa_congestion_setting_entry_shadow
*entries
;
3192 ppd
->cc_sl_control_map
= be32_to_cpu(p
->control_map
);
3194 entries
= ppd
->congestion_entries
;
3195 for (i
= 0; i
< OPA_MAX_SLS
; i
++) {
3196 entries
[i
].ccti_increase
= p
->entries
[i
].ccti_increase
;
3197 entries
[i
].ccti_timer
= be16_to_cpu(p
->entries
[i
].ccti_timer
);
3198 entries
[i
].trigger_threshold
=
3199 p
->entries
[i
].trigger_threshold
;
3200 entries
[i
].ccti_min
= p
->entries
[i
].ccti_min
;
3203 return __subn_get_opa_cong_setting(smp
, am
, data
, ibdev
, port
,
3207 static int __subn_get_opa_hfi1_cong_log(struct opa_smp
*smp
, u32 am
,
3208 u8
*data
, struct ib_device
*ibdev
,
3209 u8 port
, u32
*resp_len
)
3211 struct hfi1_ibport
*ibp
= to_iport(ibdev
, port
);
3212 struct hfi1_pportdata
*ppd
= ppd_from_ibp(ibp
);
3213 struct opa_hfi1_cong_log
*cong_log
= (struct opa_hfi1_cong_log
*)data
;
3218 smp
->status
|= IB_SMP_INVALID_FIELD
;
3219 return reply((struct ib_mad_hdr
*)smp
);
3222 spin_lock_irq(&ppd
->cc_log_lock
);
3224 cong_log
->log_type
= OPA_CC_LOG_TYPE_HFI
;
3225 cong_log
->congestion_flags
= 0;
3226 cong_log
->threshold_event_counter
=
3227 cpu_to_be16(ppd
->threshold_event_counter
);
3228 memcpy(cong_log
->threshold_cong_event_map
,
3229 ppd
->threshold_cong_event_map
,
3230 sizeof(cong_log
->threshold_cong_event_map
));
3231 /* keep timestamp in units of 1.024 usec */
3232 ts
= ktime_to_ns(ktime_get()) / 1024;
3233 cong_log
->current_time_stamp
= cpu_to_be32(ts
);
3234 for (i
= 0; i
< OPA_CONG_LOG_ELEMS
; i
++) {
3235 struct opa_hfi1_cong_log_event_internal
*cce
=
3236 &ppd
->cc_events
[ppd
->cc_mad_idx
++];
3237 if (ppd
->cc_mad_idx
== OPA_CONG_LOG_ELEMS
)
3238 ppd
->cc_mad_idx
= 0;
3240 * Entries which are older than twice the time
3241 * required to wrap the counter are supposed to
3242 * be zeroed (CA10-49 IBTA, release 1.2.1, V1).
3244 if ((u64
)(ts
- cce
->timestamp
) > (2 * UINT_MAX
))
3246 memcpy(cong_log
->events
[i
].local_qp_cn_entry
, &cce
->lqpn
, 3);
3247 memcpy(cong_log
->events
[i
].remote_qp_number_cn_entry
,
3249 cong_log
->events
[i
].sl_svc_type_cn_entry
=
3250 ((cce
->sl
& 0x1f) << 3) | (cce
->svc_type
& 0x7);
3251 cong_log
->events
[i
].remote_lid_cn_entry
=
3252 cpu_to_be32(cce
->rlid
);
3253 cong_log
->events
[i
].timestamp_cn_entry
=
3254 cpu_to_be32(cce
->timestamp
);
3258 * Reset threshold_cong_event_map, and threshold_event_counter
3259 * to 0 when log is read.
3261 memset(ppd
->threshold_cong_event_map
, 0x0,
3262 sizeof(ppd
->threshold_cong_event_map
));
3263 ppd
->threshold_event_counter
= 0;
3265 spin_unlock_irq(&ppd
->cc_log_lock
);
3268 *resp_len
+= sizeof(struct opa_hfi1_cong_log
);
3270 return reply((struct ib_mad_hdr
*)smp
);
3273 static int __subn_get_opa_cc_table(struct opa_smp
*smp
, u32 am
, u8
*data
,
3274 struct ib_device
*ibdev
, u8 port
,
3277 struct ib_cc_table_attr
*cc_table_attr
=
3278 (struct ib_cc_table_attr
*) data
;
3279 struct hfi1_ibport
*ibp
= to_iport(ibdev
, port
);
3280 struct hfi1_pportdata
*ppd
= ppd_from_ibp(ibp
);
3281 u32 start_block
= OPA_AM_START_BLK(am
);
3282 u32 n_blocks
= OPA_AM_NBLK(am
);
3283 struct ib_cc_table_entry_shadow
*entries
;
3286 struct cc_state
*cc_state
;
3288 /* sanity check n_blocks, start_block */
3289 if (n_blocks
== 0 ||
3290 start_block
+ n_blocks
> ppd
->cc_max_table_entries
) {
3291 smp
->status
|= IB_SMP_INVALID_FIELD
;
3292 return reply((struct ib_mad_hdr
*)smp
);
3297 cc_state
= get_cc_state(ppd
);
3299 if (cc_state
== NULL
) {
3301 return reply((struct ib_mad_hdr
*)smp
);
3304 sentry
= start_block
* IB_CCT_ENTRIES
;
3305 eentry
= sentry
+ (IB_CCT_ENTRIES
* n_blocks
);
3307 cc_table_attr
->ccti_limit
= cpu_to_be16(cc_state
->cct
.ccti_limit
);
3309 entries
= cc_state
->cct
.entries
;
3311 /* return n_blocks, though the last block may not be full */
3312 for (j
= 0, i
= sentry
; i
< eentry
; j
++, i
++)
3313 cc_table_attr
->ccti_entries
[j
].entry
=
3314 cpu_to_be16(entries
[i
].entry
);
3319 *resp_len
+= sizeof(u16
)*(IB_CCT_ENTRIES
* n_blocks
+ 1);
3321 return reply((struct ib_mad_hdr
*)smp
);
3324 void cc_state_reclaim(struct rcu_head
*rcu
)
3326 struct cc_state
*cc_state
= container_of(rcu
, struct cc_state
, rcu
);
3331 static int __subn_set_opa_cc_table(struct opa_smp
*smp
, u32 am
, u8
*data
,
3332 struct ib_device
*ibdev
, u8 port
,
3335 struct ib_cc_table_attr
*p
= (struct ib_cc_table_attr
*) data
;
3336 struct hfi1_ibport
*ibp
= to_iport(ibdev
, port
);
3337 struct hfi1_pportdata
*ppd
= ppd_from_ibp(ibp
);
3338 u32 start_block
= OPA_AM_START_BLK(am
);
3339 u32 n_blocks
= OPA_AM_NBLK(am
);
3340 struct ib_cc_table_entry_shadow
*entries
;
3344 struct cc_state
*old_cc_state
, *new_cc_state
;
3346 /* sanity check n_blocks, start_block */
3347 if (n_blocks
== 0 ||
3348 start_block
+ n_blocks
> ppd
->cc_max_table_entries
) {
3349 smp
->status
|= IB_SMP_INVALID_FIELD
;
3350 return reply((struct ib_mad_hdr
*)smp
);
3353 sentry
= start_block
* IB_CCT_ENTRIES
;
3354 eentry
= sentry
+ ((n_blocks
- 1) * IB_CCT_ENTRIES
) +
3355 (be16_to_cpu(p
->ccti_limit
)) % IB_CCT_ENTRIES
+ 1;
3357 /* sanity check ccti_limit */
3358 ccti_limit
= be16_to_cpu(p
->ccti_limit
);
3359 if (ccti_limit
+ 1 > eentry
) {
3360 smp
->status
|= IB_SMP_INVALID_FIELD
;
3361 return reply((struct ib_mad_hdr
*)smp
);
3364 new_cc_state
= kzalloc(sizeof(*new_cc_state
), GFP_KERNEL
);
3365 if (new_cc_state
== NULL
)
3368 spin_lock(&ppd
->cc_state_lock
);
3370 old_cc_state
= get_cc_state(ppd
);
3372 if (old_cc_state
== NULL
) {
3373 spin_unlock(&ppd
->cc_state_lock
);
3374 kfree(new_cc_state
);
3375 return reply((struct ib_mad_hdr
*)smp
);
3378 *new_cc_state
= *old_cc_state
;
3380 new_cc_state
->cct
.ccti_limit
= ccti_limit
;
3382 entries
= ppd
->ccti_entries
;
3383 ppd
->total_cct_entry
= ccti_limit
+ 1;
3385 for (j
= 0, i
= sentry
; i
< eentry
; j
++, i
++)
3386 entries
[i
].entry
= be16_to_cpu(p
->ccti_entries
[j
].entry
);
3388 memcpy(new_cc_state
->cct
.entries
, entries
,
3389 eentry
* sizeof(struct ib_cc_table_entry
));
3391 new_cc_state
->cong_setting
.port_control
= IB_CC_CCS_PC_SL_BASED
;
3392 new_cc_state
->cong_setting
.control_map
= ppd
->cc_sl_control_map
;
3393 memcpy(new_cc_state
->cong_setting
.entries
, ppd
->congestion_entries
,
3394 OPA_MAX_SLS
* sizeof(struct opa_congestion_setting_entry
));
3396 rcu_assign_pointer(ppd
->cc_state
, new_cc_state
);
3398 spin_unlock(&ppd
->cc_state_lock
);
3400 call_rcu(&old_cc_state
->rcu
, cc_state_reclaim
);
3403 return __subn_get_opa_cc_table(smp
, am
, data
, ibdev
, port
, resp_len
);
3406 struct opa_led_info
{
3407 __be32 rsvd_led_mask
;
3411 #define OPA_LED_SHIFT 31
3412 #define OPA_LED_MASK BIT(OPA_LED_SHIFT)
3414 static int __subn_get_opa_led_info(struct opa_smp
*smp
, u32 am
, u8
*data
,
3415 struct ib_device
*ibdev
, u8 port
,
3418 struct hfi1_devdata
*dd
= dd_from_ibdev(ibdev
);
3419 struct opa_led_info
*p
= (struct opa_led_info
*) data
;
3420 u32 nport
= OPA_AM_NPORT(am
);
3424 smp
->status
|= IB_SMP_INVALID_FIELD
;
3425 return reply((struct ib_mad_hdr
*)smp
);
3428 reg
= read_csr(dd
, DCC_CFG_LED_CNTRL
);
3429 if ((reg
& DCC_CFG_LED_CNTRL_LED_CNTRL_SMASK
) &&
3430 ((reg
& DCC_CFG_LED_CNTRL_LED_SW_BLINK_RATE_SMASK
) == 0xf))
3431 p
->rsvd_led_mask
= cpu_to_be32(OPA_LED_MASK
);
3434 *resp_len
+= sizeof(struct opa_led_info
);
3436 return reply((struct ib_mad_hdr
*)smp
);
3439 static int __subn_set_opa_led_info(struct opa_smp
*smp
, u32 am
, u8
*data
,
3440 struct ib_device
*ibdev
, u8 port
,
3443 struct hfi1_devdata
*dd
= dd_from_ibdev(ibdev
);
3444 struct opa_led_info
*p
= (struct opa_led_info
*) data
;
3445 u32 nport
= OPA_AM_NPORT(am
);
3446 int on
= !!(be32_to_cpu(p
->rsvd_led_mask
) & OPA_LED_MASK
);
3449 smp
->status
|= IB_SMP_INVALID_FIELD
;
3450 return reply((struct ib_mad_hdr
*)smp
);
3455 return __subn_get_opa_led_info(smp
, am
, data
, ibdev
, port
, resp_len
);
3458 static int subn_get_opa_sma(__be16 attr_id
, struct opa_smp
*smp
, u32 am
,
3459 u8
*data
, struct ib_device
*ibdev
, u8 port
,
3463 struct hfi1_ibport
*ibp
= to_iport(ibdev
, port
);
3466 case IB_SMP_ATTR_NODE_DESC
:
3467 ret
= __subn_get_opa_nodedesc(smp
, am
, data
, ibdev
, port
,
3470 case IB_SMP_ATTR_NODE_INFO
:
3471 ret
= __subn_get_opa_nodeinfo(smp
, am
, data
, ibdev
, port
,
3474 case IB_SMP_ATTR_PORT_INFO
:
3475 ret
= __subn_get_opa_portinfo(smp
, am
, data
, ibdev
, port
,
3478 case IB_SMP_ATTR_PKEY_TABLE
:
3479 ret
= __subn_get_opa_pkeytable(smp
, am
, data
, ibdev
, port
,
3482 case OPA_ATTRIB_ID_SL_TO_SC_MAP
:
3483 ret
= __subn_get_opa_sl_to_sc(smp
, am
, data
, ibdev
, port
,
3486 case OPA_ATTRIB_ID_SC_TO_SL_MAP
:
3487 ret
= __subn_get_opa_sc_to_sl(smp
, am
, data
, ibdev
, port
,
3490 case OPA_ATTRIB_ID_SC_TO_VLT_MAP
:
3491 ret
= __subn_get_opa_sc_to_vlt(smp
, am
, data
, ibdev
, port
,
3494 case OPA_ATTRIB_ID_SC_TO_VLNT_MAP
:
3495 ret
= __subn_get_opa_sc_to_vlnt(smp
, am
, data
, ibdev
, port
,
3498 case OPA_ATTRIB_ID_PORT_STATE_INFO
:
3499 ret
= __subn_get_opa_psi(smp
, am
, data
, ibdev
, port
,
3502 case OPA_ATTRIB_ID_BUFFER_CONTROL_TABLE
:
3503 ret
= __subn_get_opa_bct(smp
, am
, data
, ibdev
, port
,
3506 case OPA_ATTRIB_ID_CABLE_INFO
:
3507 ret
= __subn_get_opa_cable_info(smp
, am
, data
, ibdev
, port
,
3510 case IB_SMP_ATTR_VL_ARB_TABLE
:
3511 ret
= __subn_get_opa_vl_arb(smp
, am
, data
, ibdev
, port
,
3514 case OPA_ATTRIB_ID_CONGESTION_INFO
:
3515 ret
= __subn_get_opa_cong_info(smp
, am
, data
, ibdev
, port
,
3518 case OPA_ATTRIB_ID_HFI_CONGESTION_SETTING
:
3519 ret
= __subn_get_opa_cong_setting(smp
, am
, data
, ibdev
,
3522 case OPA_ATTRIB_ID_HFI_CONGESTION_LOG
:
3523 ret
= __subn_get_opa_hfi1_cong_log(smp
, am
, data
, ibdev
,
3526 case OPA_ATTRIB_ID_CONGESTION_CONTROL_TABLE
:
3527 ret
= __subn_get_opa_cc_table(smp
, am
, data
, ibdev
, port
,
3530 case IB_SMP_ATTR_LED_INFO
:
3531 ret
= __subn_get_opa_led_info(smp
, am
, data
, ibdev
, port
,
3534 case IB_SMP_ATTR_SM_INFO
:
3535 if (ibp
->port_cap_flags
& IB_PORT_SM_DISABLED
)
3536 return IB_MAD_RESULT_SUCCESS
| IB_MAD_RESULT_CONSUMED
;
3537 if (ibp
->port_cap_flags
& IB_PORT_SM
)
3538 return IB_MAD_RESULT_SUCCESS
;
3541 smp
->status
|= IB_SMP_UNSUP_METH_ATTR
;
3542 ret
= reply((struct ib_mad_hdr
*)smp
);
3548 static int subn_set_opa_sma(__be16 attr_id
, struct opa_smp
*smp
, u32 am
,
3549 u8
*data
, struct ib_device
*ibdev
, u8 port
,
3553 struct hfi1_ibport
*ibp
= to_iport(ibdev
, port
);
3556 case IB_SMP_ATTR_PORT_INFO
:
3557 ret
= __subn_set_opa_portinfo(smp
, am
, data
, ibdev
, port
,
3560 case IB_SMP_ATTR_PKEY_TABLE
:
3561 ret
= __subn_set_opa_pkeytable(smp
, am
, data
, ibdev
, port
,
3564 case OPA_ATTRIB_ID_SL_TO_SC_MAP
:
3565 ret
= __subn_set_opa_sl_to_sc(smp
, am
, data
, ibdev
, port
,
3568 case OPA_ATTRIB_ID_SC_TO_SL_MAP
:
3569 ret
= __subn_set_opa_sc_to_sl(smp
, am
, data
, ibdev
, port
,
3572 case OPA_ATTRIB_ID_SC_TO_VLT_MAP
:
3573 ret
= __subn_set_opa_sc_to_vlt(smp
, am
, data
, ibdev
, port
,
3576 case OPA_ATTRIB_ID_SC_TO_VLNT_MAP
:
3577 ret
= __subn_set_opa_sc_to_vlnt(smp
, am
, data
, ibdev
, port
,
3580 case OPA_ATTRIB_ID_PORT_STATE_INFO
:
3581 ret
= __subn_set_opa_psi(smp
, am
, data
, ibdev
, port
,
3584 case OPA_ATTRIB_ID_BUFFER_CONTROL_TABLE
:
3585 ret
= __subn_set_opa_bct(smp
, am
, data
, ibdev
, port
,
3588 case IB_SMP_ATTR_VL_ARB_TABLE
:
3589 ret
= __subn_set_opa_vl_arb(smp
, am
, data
, ibdev
, port
,
3592 case OPA_ATTRIB_ID_HFI_CONGESTION_SETTING
:
3593 ret
= __subn_set_opa_cong_setting(smp
, am
, data
, ibdev
,
3596 case OPA_ATTRIB_ID_CONGESTION_CONTROL_TABLE
:
3597 ret
= __subn_set_opa_cc_table(smp
, am
, data
, ibdev
, port
,
3600 case IB_SMP_ATTR_LED_INFO
:
3601 ret
= __subn_set_opa_led_info(smp
, am
, data
, ibdev
, port
,
3604 case IB_SMP_ATTR_SM_INFO
:
3605 if (ibp
->port_cap_flags
& IB_PORT_SM_DISABLED
)
3606 return IB_MAD_RESULT_SUCCESS
| IB_MAD_RESULT_CONSUMED
;
3607 if (ibp
->port_cap_flags
& IB_PORT_SM
)
3608 return IB_MAD_RESULT_SUCCESS
;
3611 smp
->status
|= IB_SMP_UNSUP_METH_ATTR
;
3612 ret
= reply((struct ib_mad_hdr
*)smp
);
3618 static inline void set_aggr_error(struct opa_aggregate
*ag
)
3620 ag
->err_reqlength
|= cpu_to_be16(0x8000);
3623 static int subn_get_opa_aggregate(struct opa_smp
*smp
,
3624 struct ib_device
*ibdev
, u8 port
,
3628 u32 num_attr
= be32_to_cpu(smp
->attr_mod
) & 0x000000ff;
3629 u8
*next_smp
= opa_get_smp_data(smp
);
3631 if (num_attr
< 1 || num_attr
> 117) {
3632 smp
->status
|= IB_SMP_INVALID_FIELD
;
3633 return reply((struct ib_mad_hdr
*)smp
);
3636 for (i
= 0; i
< num_attr
; i
++) {
3637 struct opa_aggregate
*agg
;
3638 size_t agg_data_len
;
3642 agg
= (struct opa_aggregate
*)next_smp
;
3643 agg_data_len
= (be16_to_cpu(agg
->err_reqlength
) & 0x007f) * 8;
3644 agg_size
= sizeof(*agg
) + agg_data_len
;
3645 am
= be32_to_cpu(agg
->attr_mod
);
3647 *resp_len
+= agg_size
;
3649 if (next_smp
+ agg_size
> ((u8
*)smp
) + sizeof(*smp
)) {
3650 smp
->status
|= IB_SMP_INVALID_FIELD
;
3651 return reply((struct ib_mad_hdr
*)smp
);
3654 /* zero the payload for this segment */
3655 memset(next_smp
+ sizeof(*agg
), 0, agg_data_len
);
3657 (void) subn_get_opa_sma(agg
->attr_id
, smp
, am
, agg
->data
,
3659 if (smp
->status
& ~IB_SMP_DIRECTION
) {
3660 set_aggr_error(agg
);
3661 return reply((struct ib_mad_hdr
*)smp
);
3663 next_smp
+= agg_size
;
3667 return reply((struct ib_mad_hdr
*)smp
);
3670 static int subn_set_opa_aggregate(struct opa_smp
*smp
,
3671 struct ib_device
*ibdev
, u8 port
,
3675 u32 num_attr
= be32_to_cpu(smp
->attr_mod
) & 0x000000ff;
3676 u8
*next_smp
= opa_get_smp_data(smp
);
3678 if (num_attr
< 1 || num_attr
> 117) {
3679 smp
->status
|= IB_SMP_INVALID_FIELD
;
3680 return reply((struct ib_mad_hdr
*)smp
);
3683 for (i
= 0; i
< num_attr
; i
++) {
3684 struct opa_aggregate
*agg
;
3685 size_t agg_data_len
;
3689 agg
= (struct opa_aggregate
*)next_smp
;
3690 agg_data_len
= (be16_to_cpu(agg
->err_reqlength
) & 0x007f) * 8;
3691 agg_size
= sizeof(*agg
) + agg_data_len
;
3692 am
= be32_to_cpu(agg
->attr_mod
);
3694 *resp_len
+= agg_size
;
3696 if (next_smp
+ agg_size
> ((u8
*)smp
) + sizeof(*smp
)) {
3697 smp
->status
|= IB_SMP_INVALID_FIELD
;
3698 return reply((struct ib_mad_hdr
*)smp
);
3701 (void) subn_set_opa_sma(agg
->attr_id
, smp
, am
, agg
->data
,
3703 if (smp
->status
& ~IB_SMP_DIRECTION
) {
3704 set_aggr_error(agg
);
3705 return reply((struct ib_mad_hdr
*)smp
);
3707 next_smp
+= agg_size
;
3711 return reply((struct ib_mad_hdr
*)smp
);
3715 * OPAv1 specifies that, on the transition to link up, these counters
3719 * LocalLinkIntegrityErrors
3720 * ExcessiveBufferOverruns [*]
3722 * [*] Error info associated with these counters is retained, but the
3723 * error info status is reset to 0.
3725 void clear_linkup_counters(struct hfi1_devdata
*dd
)
3728 write_dev_cntr(dd
, C_DC_RCV_ERR
, CNTR_INVALID_VL
, 0);
3729 dd
->err_info_rcvport
.status_and_code
&= ~OPA_EI_STATUS_SMASK
;
3730 /* LinkErrorRecovery */
3731 write_dev_cntr(dd
, C_DC_SEQ_CRC_CNT
, CNTR_INVALID_VL
, 0);
3732 write_dev_cntr(dd
, C_DC_REINIT_FROM_PEER_CNT
, CNTR_INVALID_VL
, 0);
3733 /* LocalLinkIntegrityErrors */
3734 write_dev_cntr(dd
, C_DC_TX_REPLAY
, CNTR_INVALID_VL
, 0);
3735 write_dev_cntr(dd
, C_DC_RX_REPLAY
, CNTR_INVALID_VL
, 0);
3736 /* ExcessiveBufferOverruns */
3737 write_dev_cntr(dd
, C_RCV_OVF
, CNTR_INVALID_VL
, 0);
3738 dd
->rcv_ovfl_cnt
= 0;
3739 dd
->err_info_xmit_constraint
.status
&= ~OPA_EI_STATUS_SMASK
;
3743 * is_local_mad() returns 1 if 'mad' is sent from, and destined to the
3744 * local node, 0 otherwise.
3746 static int is_local_mad(struct hfi1_ibport
*ibp
, const struct opa_mad
*mad
,
3747 const struct ib_wc
*in_wc
)
3749 struct hfi1_pportdata
*ppd
= ppd_from_ibp(ibp
);
3750 const struct opa_smp
*smp
= (const struct opa_smp
*)mad
;
3752 if (smp
->mgmt_class
== IB_MGMT_CLASS_SUBN_DIRECTED_ROUTE
) {
3753 return (smp
->hop_cnt
== 0 &&
3754 smp
->route
.dr
.dr_slid
== OPA_LID_PERMISSIVE
&&
3755 smp
->route
.dr
.dr_dlid
== OPA_LID_PERMISSIVE
);
3758 return (in_wc
->slid
== ppd
->lid
);
3762 * opa_local_smp_check() should only be called on MADs for which
3763 * is_local_mad() returns true. It applies the SMP checks that are
3764 * specific to SMPs which are sent from, and destined to this node.
3765 * opa_local_smp_check() returns 0 if the SMP passes its checks, 1
3768 * SMPs which arrive from other nodes are instead checked by
3771 static int opa_local_smp_check(struct hfi1_ibport
*ibp
,
3772 const struct ib_wc
*in_wc
)
3774 struct hfi1_pportdata
*ppd
= ppd_from_ibp(ibp
);
3775 u16 slid
= in_wc
->slid
;
3778 if (in_wc
->pkey_index
>= ARRAY_SIZE(ppd
->pkeys
))
3781 pkey
= ppd
->pkeys
[in_wc
->pkey_index
];
3783 * We need to do the "node-local" checks specified in OPAv1,
3784 * rev 0.90, section 9.10.26, which are:
3785 * - pkey is 0x7fff, or 0xffff
3786 * - Source QPN == 0 || Destination QPN == 0
3787 * - the MAD header's management class is either
3788 * IB_MGMT_CLASS_SUBN_DIRECTED_ROUTE or
3789 * IB_MGMT_CLASS_SUBN_LID_ROUTED
3792 * However, we know (and so don't need to check again) that,
3793 * for local SMPs, the MAD stack passes MADs with:
3795 * - MAD mgmt_class is IB_MGMT_CLASS_SUBN_DIRECTED_ROUTE
3796 * - SLID is either: OPA_LID_PERMISSIVE (0xFFFFFFFF), or
3797 * our own port's lid
3800 if (pkey
== LIM_MGMT_P_KEY
|| pkey
== FULL_MGMT_P_KEY
)
3802 ingress_pkey_table_fail(ppd
, pkey
, slid
);
3806 static int process_subn_opa(struct ib_device
*ibdev
, int mad_flags
,
3807 u8 port
, const struct opa_mad
*in_mad
,
3808 struct opa_mad
*out_mad
,
3811 struct opa_smp
*smp
= (struct opa_smp
*)out_mad
;
3812 struct hfi1_ibport
*ibp
= to_iport(ibdev
, port
);
3819 data
= opa_get_smp_data(smp
);
3821 am
= be32_to_cpu(smp
->attr_mod
);
3822 attr_id
= smp
->attr_id
;
3823 if (smp
->class_version
!= OPA_SMI_CLASS_VERSION
) {
3824 smp
->status
|= IB_SMP_UNSUP_VERSION
;
3825 ret
= reply((struct ib_mad_hdr
*)smp
);
3828 ret
= check_mkey(ibp
, (struct ib_mad_hdr
*)smp
, mad_flags
, smp
->mkey
,
3829 smp
->route
.dr
.dr_slid
, smp
->route
.dr
.return_path
,
3832 u32 port_num
= be32_to_cpu(smp
->attr_mod
);
3835 * If this is a get/set portinfo, we already check the
3836 * M_Key if the MAD is for another port and the M_Key
3837 * is OK on the receiving port. This check is needed
3838 * to increment the error counters when the M_Key
3839 * fails to match on *both* ports.
3841 if (attr_id
== IB_SMP_ATTR_PORT_INFO
&&
3842 (smp
->method
== IB_MGMT_METHOD_GET
||
3843 smp
->method
== IB_MGMT_METHOD_SET
) &&
3844 port_num
&& port_num
<= ibdev
->phys_port_cnt
&&
3846 (void) check_mkey(to_iport(ibdev
, port_num
),
3847 (struct ib_mad_hdr
*)smp
, 0,
3848 smp
->mkey
, smp
->route
.dr
.dr_slid
,
3849 smp
->route
.dr
.return_path
,
3851 ret
= IB_MAD_RESULT_FAILURE
;
3855 *resp_len
= opa_get_smp_header_size(smp
);
3857 switch (smp
->method
) {
3858 case IB_MGMT_METHOD_GET
:
3861 clear_opa_smp_data(smp
);
3862 ret
= subn_get_opa_sma(attr_id
, smp
, am
, data
,
3863 ibdev
, port
, resp_len
);
3865 case OPA_ATTRIB_ID_AGGREGATE
:
3866 ret
= subn_get_opa_aggregate(smp
, ibdev
, port
,
3870 case IB_MGMT_METHOD_SET
:
3873 ret
= subn_set_opa_sma(attr_id
, smp
, am
, data
,
3874 ibdev
, port
, resp_len
);
3876 case OPA_ATTRIB_ID_AGGREGATE
:
3877 ret
= subn_set_opa_aggregate(smp
, ibdev
, port
,
3881 case IB_MGMT_METHOD_TRAP
:
3882 case IB_MGMT_METHOD_REPORT
:
3883 case IB_MGMT_METHOD_REPORT_RESP
:
3884 case IB_MGMT_METHOD_GET_RESP
:
3886 * The ib_mad module will call us to process responses
3887 * before checking for other consumers.
3888 * Just tell the caller to process it normally.
3890 ret
= IB_MAD_RESULT_SUCCESS
;
3893 smp
->status
|= IB_SMP_UNSUP_METHOD
;
3894 ret
= reply((struct ib_mad_hdr
*)smp
);
3901 static int process_subn(struct ib_device
*ibdev
, int mad_flags
,
3902 u8 port
, const struct ib_mad
*in_mad
,
3903 struct ib_mad
*out_mad
)
3905 struct ib_smp
*smp
= (struct ib_smp
*)out_mad
;
3906 struct hfi1_ibport
*ibp
= to_iport(ibdev
, port
);
3910 if (smp
->class_version
!= 1) {
3911 smp
->status
|= IB_SMP_UNSUP_VERSION
;
3912 ret
= reply((struct ib_mad_hdr
*)smp
);
3916 ret
= check_mkey(ibp
, (struct ib_mad_hdr
*)smp
, mad_flags
,
3917 smp
->mkey
, (__force __be32
)smp
->dr_slid
,
3918 smp
->return_path
, smp
->hop_cnt
);
3920 u32 port_num
= be32_to_cpu(smp
->attr_mod
);
3923 * If this is a get/set portinfo, we already check the
3924 * M_Key if the MAD is for another port and the M_Key
3925 * is OK on the receiving port. This check is needed
3926 * to increment the error counters when the M_Key
3927 * fails to match on *both* ports.
3929 if (in_mad
->mad_hdr
.attr_id
== IB_SMP_ATTR_PORT_INFO
&&
3930 (smp
->method
== IB_MGMT_METHOD_GET
||
3931 smp
->method
== IB_MGMT_METHOD_SET
) &&
3932 port_num
&& port_num
<= ibdev
->phys_port_cnt
&&
3934 (void) check_mkey(to_iport(ibdev
, port_num
),
3935 (struct ib_mad_hdr
*)smp
, 0,
3937 (__force __be32
)smp
->dr_slid
,
3938 smp
->return_path
, smp
->hop_cnt
);
3939 ret
= IB_MAD_RESULT_FAILURE
;
3943 switch (smp
->method
) {
3944 case IB_MGMT_METHOD_GET
:
3945 switch (smp
->attr_id
) {
3946 case IB_SMP_ATTR_NODE_INFO
:
3947 ret
= subn_get_nodeinfo(smp
, ibdev
, port
);
3950 smp
->status
|= IB_SMP_UNSUP_METH_ATTR
;
3951 ret
= reply((struct ib_mad_hdr
*)smp
);
3960 static int process_perf_opa(struct ib_device
*ibdev
, u8 port
,
3961 const struct opa_mad
*in_mad
,
3962 struct opa_mad
*out_mad
, u32
*resp_len
)
3964 struct opa_pma_mad
*pmp
= (struct opa_pma_mad
*)out_mad
;
3969 if (pmp
->mad_hdr
.class_version
!= OPA_SMI_CLASS_VERSION
) {
3970 pmp
->mad_hdr
.status
|= IB_SMP_UNSUP_VERSION
;
3971 return reply((struct ib_mad_hdr
*)pmp
);
3974 *resp_len
= sizeof(pmp
->mad_hdr
);
3976 switch (pmp
->mad_hdr
.method
) {
3977 case IB_MGMT_METHOD_GET
:
3978 switch (pmp
->mad_hdr
.attr_id
) {
3979 case IB_PMA_CLASS_PORT_INFO
:
3980 ret
= pma_get_opa_classportinfo(pmp
, ibdev
, resp_len
);
3982 case OPA_PM_ATTRIB_ID_PORT_STATUS
:
3983 ret
= pma_get_opa_portstatus(pmp
, ibdev
, port
,
3986 case OPA_PM_ATTRIB_ID_DATA_PORT_COUNTERS
:
3987 ret
= pma_get_opa_datacounters(pmp
, ibdev
, port
,
3990 case OPA_PM_ATTRIB_ID_ERROR_PORT_COUNTERS
:
3991 ret
= pma_get_opa_porterrors(pmp
, ibdev
, port
,
3994 case OPA_PM_ATTRIB_ID_ERROR_INFO
:
3995 ret
= pma_get_opa_errorinfo(pmp
, ibdev
, port
,
3999 pmp
->mad_hdr
.status
|= IB_SMP_UNSUP_METH_ATTR
;
4000 ret
= reply((struct ib_mad_hdr
*)pmp
);
4004 case IB_MGMT_METHOD_SET
:
4005 switch (pmp
->mad_hdr
.attr_id
) {
4006 case OPA_PM_ATTRIB_ID_CLEAR_PORT_STATUS
:
4007 ret
= pma_set_opa_portstatus(pmp
, ibdev
, port
,
4010 case OPA_PM_ATTRIB_ID_ERROR_INFO
:
4011 ret
= pma_set_opa_errorinfo(pmp
, ibdev
, port
,
4015 pmp
->mad_hdr
.status
|= IB_SMP_UNSUP_METH_ATTR
;
4016 ret
= reply((struct ib_mad_hdr
*)pmp
);
4020 case IB_MGMT_METHOD_TRAP
:
4021 case IB_MGMT_METHOD_GET_RESP
:
4023 * The ib_mad module will call us to process responses
4024 * before checking for other consumers.
4025 * Just tell the caller to process it normally.
4027 ret
= IB_MAD_RESULT_SUCCESS
;
4031 pmp
->mad_hdr
.status
|= IB_SMP_UNSUP_METHOD
;
4032 ret
= reply((struct ib_mad_hdr
*)pmp
);
4039 static int hfi1_process_opa_mad(struct ib_device
*ibdev
, int mad_flags
,
4040 u8 port
, const struct ib_wc
*in_wc
,
4041 const struct ib_grh
*in_grh
,
4042 const struct opa_mad
*in_mad
,
4043 struct opa_mad
*out_mad
, size_t *out_mad_size
,
4044 u16
*out_mad_pkey_index
)
4049 struct hfi1_ibport
*ibp
= to_iport(ibdev
, port
);
4051 pkey_idx
= hfi1_lookup_pkey_idx(ibp
, LIM_MGMT_P_KEY
);
4053 pr_warn("failed to find limited mgmt pkey, defaulting 0x%x\n",
4054 hfi1_get_pkey(ibp
, 1));
4057 *out_mad_pkey_index
= (u16
)pkey_idx
;
4059 switch (in_mad
->mad_hdr
.mgmt_class
) {
4060 case IB_MGMT_CLASS_SUBN_DIRECTED_ROUTE
:
4061 case IB_MGMT_CLASS_SUBN_LID_ROUTED
:
4062 if (is_local_mad(ibp
, in_mad
, in_wc
)) {
4063 ret
= opa_local_smp_check(ibp
, in_wc
);
4065 return IB_MAD_RESULT_FAILURE
;
4067 ret
= process_subn_opa(ibdev
, mad_flags
, port
, in_mad
,
4068 out_mad
, &resp_len
);
4070 case IB_MGMT_CLASS_PERF_MGMT
:
4071 ret
= process_perf_opa(ibdev
, port
, in_mad
, out_mad
,
4076 ret
= IB_MAD_RESULT_SUCCESS
;
4080 if (ret
& IB_MAD_RESULT_REPLY
)
4081 *out_mad_size
= round_up(resp_len
, 8);
4082 else if (ret
& IB_MAD_RESULT_SUCCESS
)
4083 *out_mad_size
= in_wc
->byte_len
- sizeof(struct ib_grh
);
4088 static int hfi1_process_ib_mad(struct ib_device
*ibdev
, int mad_flags
, u8 port
,
4089 const struct ib_wc
*in_wc
,
4090 const struct ib_grh
*in_grh
,
4091 const struct ib_mad
*in_mad
,
4092 struct ib_mad
*out_mad
)
4096 switch (in_mad
->mad_hdr
.mgmt_class
) {
4097 case IB_MGMT_CLASS_SUBN_DIRECTED_ROUTE
:
4098 case IB_MGMT_CLASS_SUBN_LID_ROUTED
:
4099 ret
= process_subn(ibdev
, mad_flags
, port
, in_mad
, out_mad
);
4102 ret
= IB_MAD_RESULT_SUCCESS
;
4110 * hfi1_process_mad - process an incoming MAD packet
4111 * @ibdev: the infiniband device this packet came in on
4112 * @mad_flags: MAD flags
4113 * @port: the port number this packet came in on
4114 * @in_wc: the work completion entry for this packet
4115 * @in_grh: the global route header for this packet
4116 * @in_mad: the incoming MAD
4117 * @out_mad: any outgoing MAD reply
4119 * Returns IB_MAD_RESULT_SUCCESS if this is a MAD that we are not
4120 * interested in processing.
4122 * Note that the verbs framework has already done the MAD sanity checks,
4123 * and hop count/pointer updating for IB_MGMT_CLASS_SUBN_DIRECTED_ROUTE
4126 * This is called by the ib_mad module.
4128 int hfi1_process_mad(struct ib_device
*ibdev
, int mad_flags
, u8 port
,
4129 const struct ib_wc
*in_wc
, const struct ib_grh
*in_grh
,
4130 const struct ib_mad_hdr
*in_mad
, size_t in_mad_size
,
4131 struct ib_mad_hdr
*out_mad
, size_t *out_mad_size
,
4132 u16
*out_mad_pkey_index
)
4134 switch (in_mad
->base_version
) {
4135 case OPA_MGMT_BASE_VERSION
:
4136 if (unlikely(in_mad_size
!= sizeof(struct opa_mad
))) {
4137 dev_err(ibdev
->dma_device
, "invalid in_mad_size\n");
4138 return IB_MAD_RESULT_FAILURE
;
4140 return hfi1_process_opa_mad(ibdev
, mad_flags
, port
,
4142 (struct opa_mad
*)in_mad
,
4143 (struct opa_mad
*)out_mad
,
4145 out_mad_pkey_index
);
4146 case IB_MGMT_BASE_VERSION
:
4147 return hfi1_process_ib_mad(ibdev
, mad_flags
, port
,
4149 (const struct ib_mad
*)in_mad
,
4150 (struct ib_mad
*)out_mad
);
4155 return IB_MAD_RESULT_FAILURE
;
4158 static void send_handler(struct ib_mad_agent
*agent
,
4159 struct ib_mad_send_wc
*mad_send_wc
)
4161 ib_free_send_mad(mad_send_wc
->send_buf
);
4164 int hfi1_create_agents(struct hfi1_ibdev
*dev
)
4166 struct hfi1_devdata
*dd
= dd_from_dev(dev
);
4167 struct ib_mad_agent
*agent
;
4168 struct hfi1_ibport
*ibp
;
4172 for (p
= 0; p
< dd
->num_pports
; p
++) {
4173 ibp
= &dd
->pport
[p
].ibport_data
;
4174 agent
= ib_register_mad_agent(&dev
->rdi
.ibdev
, p
+ 1,
4176 NULL
, 0, send_handler
,
4178 if (IS_ERR(agent
)) {
4179 ret
= PTR_ERR(agent
);
4183 ibp
->send_agent
= agent
;
4189 for (p
= 0; p
< dd
->num_pports
; p
++) {
4190 ibp
= &dd
->pport
[p
].ibport_data
;
4191 if (ibp
->send_agent
) {
4192 agent
= ibp
->send_agent
;
4193 ibp
->send_agent
= NULL
;
4194 ib_unregister_mad_agent(agent
);
4201 void hfi1_free_agents(struct hfi1_ibdev
*dev
)
4203 struct hfi1_devdata
*dd
= dd_from_dev(dev
);
4204 struct ib_mad_agent
*agent
;
4205 struct hfi1_ibport
*ibp
;
4208 for (p
= 0; p
< dd
->num_pports
; p
++) {
4209 ibp
= &dd
->pport
[p
].ibport_data
;
4210 if (ibp
->send_agent
) {
4211 agent
= ibp
->send_agent
;
4212 ibp
->send_agent
= NULL
;
4213 ib_unregister_mad_agent(agent
);
4216 ib_destroy_ah(&ibp
->sm_ah
->ibah
);