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
= IB_MGMT_BASE_VERSION
;
121 smp
->mgmt_class
= IB_MGMT_CLASS_SUBN_LID_ROUTED
;
122 smp
->class_version
= 1;
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
->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
, __be16 lid1
, __be16 lid2
)
169 struct ib_mad_notice_attr data
;
171 if (trap_num
== IB_NOTICE_TRAP_BAD_PKEY
)
172 ibp
->pkey_violations
++;
174 ibp
->qkey_violations
++;
177 /* Send violation trap */
178 data
.generic_type
= IB_NOTICE_TYPE_SECURITY
;
179 data
.prod_type_msb
= 0;
180 data
.prod_type_lsb
= IB_NOTICE_PROD_CA
;
181 data
.trap_num
= trap_num
;
182 data
.issuer_lid
= cpu_to_be16(ppd_from_ibp(ibp
)->lid
);
183 data
.toggle_count
= 0;
184 memset(&data
.details
, 0, sizeof(data
.details
));
185 data
.details
.ntc_257_258
.lid1
= lid1
;
186 data
.details
.ntc_257_258
.lid2
= lid2
;
187 data
.details
.ntc_257_258
.key
= cpu_to_be32(key
);
188 data
.details
.ntc_257_258
.sl_qp1
= cpu_to_be32((sl
<< 28) | qp1
);
189 data
.details
.ntc_257_258
.qp2
= cpu_to_be32(qp2
);
191 send_trap(ibp
, &data
, sizeof(data
));
195 * Send a bad M_Key trap (ch. 14.3.9).
197 static void bad_mkey(struct hfi1_ibport
*ibp
, struct ib_mad_hdr
*mad
,
198 __be64 mkey
, __be32 dr_slid
, u8 return_path
[], u8 hop_cnt
)
200 struct ib_mad_notice_attr data
;
202 /* Send violation trap */
203 data
.generic_type
= IB_NOTICE_TYPE_SECURITY
;
204 data
.prod_type_msb
= 0;
205 data
.prod_type_lsb
= IB_NOTICE_PROD_CA
;
206 data
.trap_num
= IB_NOTICE_TRAP_BAD_MKEY
;
207 data
.issuer_lid
= cpu_to_be16(ppd_from_ibp(ibp
)->lid
);
208 data
.toggle_count
= 0;
209 memset(&data
.details
, 0, sizeof(data
.details
));
210 data
.details
.ntc_256
.lid
= data
.issuer_lid
;
211 data
.details
.ntc_256
.method
= mad
->method
;
212 data
.details
.ntc_256
.attr_id
= mad
->attr_id
;
213 data
.details
.ntc_256
.attr_mod
= mad
->attr_mod
;
214 data
.details
.ntc_256
.mkey
= mkey
;
215 if (mad
->mgmt_class
== IB_MGMT_CLASS_SUBN_DIRECTED_ROUTE
) {
217 data
.details
.ntc_256
.dr_slid
= (__force __be16
)dr_slid
;
218 data
.details
.ntc_256
.dr_trunc_hop
= IB_NOTICE_TRAP_DR_NOTICE
;
219 if (hop_cnt
> ARRAY_SIZE(data
.details
.ntc_256
.dr_rtn_path
)) {
220 data
.details
.ntc_256
.dr_trunc_hop
|=
221 IB_NOTICE_TRAP_DR_TRUNC
;
222 hop_cnt
= ARRAY_SIZE(data
.details
.ntc_256
.dr_rtn_path
);
224 data
.details
.ntc_256
.dr_trunc_hop
|= hop_cnt
;
225 memcpy(data
.details
.ntc_256
.dr_rtn_path
, return_path
,
229 send_trap(ibp
, &data
, sizeof(data
));
233 * Send a Port Capability Mask Changed trap (ch. 14.3.11).
235 void hfi1_cap_mask_chg(struct hfi1_ibport
*ibp
)
237 struct ib_mad_notice_attr data
;
239 data
.generic_type
= IB_NOTICE_TYPE_INFO
;
240 data
.prod_type_msb
= 0;
241 data
.prod_type_lsb
= IB_NOTICE_PROD_CA
;
242 data
.trap_num
= IB_NOTICE_TRAP_CAP_MASK_CHG
;
243 data
.issuer_lid
= cpu_to_be16(ppd_from_ibp(ibp
)->lid
);
244 data
.toggle_count
= 0;
245 memset(&data
.details
, 0, sizeof(data
.details
));
246 data
.details
.ntc_144
.lid
= data
.issuer_lid
;
247 data
.details
.ntc_144
.new_cap_mask
= cpu_to_be32(ibp
->port_cap_flags
);
249 send_trap(ibp
, &data
, sizeof(data
));
253 * Send a System Image GUID Changed trap (ch. 14.3.12).
255 void hfi1_sys_guid_chg(struct hfi1_ibport
*ibp
)
257 struct ib_mad_notice_attr data
;
259 data
.generic_type
= IB_NOTICE_TYPE_INFO
;
260 data
.prod_type_msb
= 0;
261 data
.prod_type_lsb
= IB_NOTICE_PROD_CA
;
262 data
.trap_num
= IB_NOTICE_TRAP_SYS_GUID_CHG
;
263 data
.issuer_lid
= cpu_to_be16(ppd_from_ibp(ibp
)->lid
);
264 data
.toggle_count
= 0;
265 memset(&data
.details
, 0, sizeof(data
.details
));
266 data
.details
.ntc_145
.lid
= data
.issuer_lid
;
267 data
.details
.ntc_145
.new_sys_guid
= ib_hfi1_sys_image_guid
;
269 send_trap(ibp
, &data
, sizeof(data
));
273 * Send a Node Description Changed trap (ch. 14.3.13).
275 void hfi1_node_desc_chg(struct hfi1_ibport
*ibp
)
277 struct ib_mad_notice_attr data
;
279 data
.generic_type
= IB_NOTICE_TYPE_INFO
;
280 data
.prod_type_msb
= 0;
281 data
.prod_type_lsb
= IB_NOTICE_PROD_CA
;
282 data
.trap_num
= IB_NOTICE_TRAP_CAP_MASK_CHG
;
283 data
.issuer_lid
= cpu_to_be16(ppd_from_ibp(ibp
)->lid
);
284 data
.toggle_count
= 0;
285 memset(&data
.details
, 0, sizeof(data
.details
));
286 data
.details
.ntc_144
.lid
= data
.issuer_lid
;
287 data
.details
.ntc_144
.local_changes
= 1;
288 data
.details
.ntc_144
.change_flags
= IB_NOTICE_TRAP_NODE_DESC_CHG
;
290 send_trap(ibp
, &data
, sizeof(data
));
293 static int __subn_get_opa_nodedesc(struct opa_smp
*smp
, u32 am
,
294 u8
*data
, struct ib_device
*ibdev
,
295 u8 port
, u32
*resp_len
)
297 struct opa_node_description
*nd
;
300 smp
->status
|= IB_SMP_INVALID_FIELD
;
301 return reply((struct ib_mad_hdr
*)smp
);
304 nd
= (struct opa_node_description
*)data
;
306 memcpy(nd
->data
, ibdev
->node_desc
, sizeof(nd
->data
));
309 *resp_len
+= sizeof(*nd
);
311 return reply((struct ib_mad_hdr
*)smp
);
314 static int __subn_get_opa_nodeinfo(struct opa_smp
*smp
, u32 am
, u8
*data
,
315 struct ib_device
*ibdev
, u8 port
,
318 struct opa_node_info
*ni
;
319 struct hfi1_devdata
*dd
= dd_from_ibdev(ibdev
);
320 unsigned pidx
= port
- 1; /* IB number port from 1, hw from 0 */
322 ni
= (struct opa_node_info
*)data
;
324 /* GUID 0 is illegal */
325 if (am
|| pidx
>= dd
->num_pports
|| dd
->pport
[pidx
].guid
== 0) {
326 smp
->status
|= IB_SMP_INVALID_FIELD
;
327 return reply((struct ib_mad_hdr
*)smp
);
330 ni
->port_guid
= cpu_to_be64(dd
->pport
[pidx
].guid
);
331 ni
->base_version
= OPA_MGMT_BASE_VERSION
;
332 ni
->class_version
= OPA_SMI_CLASS_VERSION
;
333 ni
->node_type
= 1; /* channel adapter */
334 ni
->num_ports
= ibdev
->phys_port_cnt
;
335 /* This is already in network order */
336 ni
->system_image_guid
= ib_hfi1_sys_image_guid
;
337 /* Use first-port GUID as node */
338 ni
->node_guid
= cpu_to_be64(dd
->pport
->guid
);
339 ni
->partition_cap
= cpu_to_be16(hfi1_get_npkeys(dd
));
340 ni
->device_id
= cpu_to_be16(dd
->pcidev
->device
);
341 ni
->revision
= cpu_to_be32(dd
->minrev
);
342 ni
->local_port_num
= port
;
343 ni
->vendor_id
[0] = dd
->oui1
;
344 ni
->vendor_id
[1] = dd
->oui2
;
345 ni
->vendor_id
[2] = dd
->oui3
;
348 *resp_len
+= sizeof(*ni
);
350 return reply((struct ib_mad_hdr
*)smp
);
353 static int subn_get_nodeinfo(struct ib_smp
*smp
, struct ib_device
*ibdev
,
356 struct ib_node_info
*nip
= (struct ib_node_info
*)&smp
->data
;
357 struct hfi1_devdata
*dd
= dd_from_ibdev(ibdev
);
358 unsigned pidx
= port
- 1; /* IB number port from 1, hw from 0 */
360 /* GUID 0 is illegal */
361 if (smp
->attr_mod
|| pidx
>= dd
->num_pports
||
362 dd
->pport
[pidx
].guid
== 0)
363 smp
->status
|= IB_SMP_INVALID_FIELD
;
365 nip
->port_guid
= cpu_to_be64(dd
->pport
[pidx
].guid
);
367 nip
->base_version
= OPA_MGMT_BASE_VERSION
;
368 nip
->class_version
= OPA_SMI_CLASS_VERSION
;
369 nip
->node_type
= 1; /* channel adapter */
370 nip
->num_ports
= ibdev
->phys_port_cnt
;
371 /* This is already in network order */
372 nip
->sys_guid
= ib_hfi1_sys_image_guid
;
373 /* Use first-port GUID as node */
374 nip
->node_guid
= cpu_to_be64(dd
->pport
->guid
);
375 nip
->partition_cap
= cpu_to_be16(hfi1_get_npkeys(dd
));
376 nip
->device_id
= cpu_to_be16(dd
->pcidev
->device
);
377 nip
->revision
= cpu_to_be32(dd
->minrev
);
378 nip
->local_port_num
= port
;
379 nip
->vendor_id
[0] = dd
->oui1
;
380 nip
->vendor_id
[1] = dd
->oui2
;
381 nip
->vendor_id
[2] = dd
->oui3
;
383 return reply((struct ib_mad_hdr
*)smp
);
386 static void set_link_width_enabled(struct hfi1_pportdata
*ppd
, u32 w
)
388 (void)hfi1_set_ib_cfg(ppd
, HFI1_IB_CFG_LWID_ENB
, w
);
391 static void set_link_width_downgrade_enabled(struct hfi1_pportdata
*ppd
, u32 w
)
393 (void)hfi1_set_ib_cfg(ppd
, HFI1_IB_CFG_LWID_DG_ENB
, w
);
396 static void set_link_speed_enabled(struct hfi1_pportdata
*ppd
, u32 s
)
398 (void)hfi1_set_ib_cfg(ppd
, HFI1_IB_CFG_SPD_ENB
, s
);
401 static int check_mkey(struct hfi1_ibport
*ibp
, struct ib_mad_hdr
*mad
,
402 int mad_flags
, __be64 mkey
, __be32 dr_slid
,
403 u8 return_path
[], u8 hop_cnt
)
408 /* Is the mkey in the process of expiring? */
409 if (ibp
->mkey_lease_timeout
&&
410 time_after_eq(jiffies
, ibp
->mkey_lease_timeout
)) {
411 /* Clear timeout and mkey protection field. */
412 ibp
->mkey_lease_timeout
= 0;
416 if ((mad_flags
& IB_MAD_IGNORE_MKEY
) || ibp
->mkey
== 0 ||
420 /* Unset lease timeout on any valid Get/Set/TrapRepress */
421 if (valid_mkey
&& ibp
->mkey_lease_timeout
&&
422 (mad
->method
== IB_MGMT_METHOD_GET
||
423 mad
->method
== IB_MGMT_METHOD_SET
||
424 mad
->method
== IB_MGMT_METHOD_TRAP_REPRESS
))
425 ibp
->mkey_lease_timeout
= 0;
428 switch (mad
->method
) {
429 case IB_MGMT_METHOD_GET
:
430 /* Bad mkey not a violation below level 2 */
431 if (ibp
->mkeyprot
< 2)
433 case IB_MGMT_METHOD_SET
:
434 case IB_MGMT_METHOD_TRAP_REPRESS
:
435 if (ibp
->mkey_violations
!= 0xFFFF)
436 ++ibp
->mkey_violations
;
437 if (!ibp
->mkey_lease_timeout
&& ibp
->mkey_lease_period
)
438 ibp
->mkey_lease_timeout
= jiffies
+
439 ibp
->mkey_lease_period
* HZ
;
440 /* Generate a trap notice. */
441 bad_mkey(ibp
, mad
, mkey
, dr_slid
, return_path
,
451 * The SMA caches reads from LCB registers in case the LCB is unavailable.
452 * (The LCB is unavailable in certain link states, for example.)
459 static struct lcb_datum lcb_cache
[] = {
460 { DC_LCB_STS_ROUND_TRIP_LTP_CNT
, 0 },
463 static int write_lcb_cache(u32 off
, u64 val
)
467 for (i
= 0; i
< ARRAY_SIZE(lcb_cache
); i
++) {
468 if (lcb_cache
[i
].off
== off
) {
469 lcb_cache
[i
].val
= val
;
474 pr_warn("%s bad offset 0x%x\n", __func__
, off
);
478 static int read_lcb_cache(u32 off
, u64
*val
)
482 for (i
= 0; i
< ARRAY_SIZE(lcb_cache
); i
++) {
483 if (lcb_cache
[i
].off
== off
) {
484 *val
= lcb_cache
[i
].val
;
489 pr_warn("%s bad offset 0x%x\n", __func__
, off
);
493 void read_ltp_rtt(struct hfi1_devdata
*dd
)
497 if (read_lcb_csr(dd
, DC_LCB_STS_ROUND_TRIP_LTP_CNT
, ®
))
498 dd_dev_err(dd
, "%s: unable to read LTP RTT\n", __func__
);
500 write_lcb_cache(DC_LCB_STS_ROUND_TRIP_LTP_CNT
, reg
);
503 static u8
__opa_porttype(struct hfi1_pportdata
*ppd
)
505 if (qsfp_mod_present(ppd
)) {
506 if (ppd
->qsfp_info
.cache_valid
)
507 return OPA_PORT_TYPE_STANDARD
;
508 return OPA_PORT_TYPE_DISCONNECTED
;
510 return OPA_PORT_TYPE_UNKNOWN
;
513 static int __subn_get_opa_portinfo(struct opa_smp
*smp
, u32 am
, u8
*data
,
514 struct ib_device
*ibdev
, u8 port
,
518 struct hfi1_devdata
*dd
;
519 struct hfi1_pportdata
*ppd
;
520 struct hfi1_ibport
*ibp
;
521 struct opa_port_info
*pi
= (struct opa_port_info
*)data
;
525 u32 num_ports
= OPA_AM_NPORT(am
);
526 u32 start_of_sm_config
= OPA_AM_START_SM_CFG(am
);
530 if (num_ports
!= 1) {
531 smp
->status
|= IB_SMP_INVALID_FIELD
;
532 return reply((struct ib_mad_hdr
*)smp
);
535 dd
= dd_from_ibdev(ibdev
);
536 /* IB numbers ports from 1, hw from 0 */
537 ppd
= dd
->pport
+ (port
- 1);
538 ibp
= &ppd
->ibport_data
;
540 if (ppd
->vls_supported
/2 > ARRAY_SIZE(pi
->neigh_mtu
.pvlx_to_mtu
) ||
541 ppd
->vls_supported
> ARRAY_SIZE(dd
->vld
)) {
542 smp
->status
|= IB_SMP_INVALID_FIELD
;
543 return reply((struct ib_mad_hdr
*)smp
);
546 pi
->lid
= cpu_to_be32(ppd
->lid
);
548 /* Only return the mkey if the protection field allows it. */
549 if (!(smp
->method
== IB_MGMT_METHOD_GET
&&
550 ibp
->mkey
!= smp
->mkey
&&
552 pi
->mkey
= ibp
->mkey
;
554 pi
->subnet_prefix
= ibp
->gid_prefix
;
555 pi
->sm_lid
= cpu_to_be32(ibp
->sm_lid
);
556 pi
->ib_cap_mask
= cpu_to_be32(ibp
->port_cap_flags
);
557 pi
->mkey_lease_period
= cpu_to_be16(ibp
->mkey_lease_period
);
558 pi
->sm_trap_qp
= cpu_to_be32(ppd
->sm_trap_qp
);
559 pi
->sa_qp
= cpu_to_be32(ppd
->sa_qp
);
561 pi
->link_width
.enabled
= cpu_to_be16(ppd
->link_width_enabled
);
562 pi
->link_width
.supported
= cpu_to_be16(ppd
->link_width_supported
);
563 pi
->link_width
.active
= cpu_to_be16(ppd
->link_width_active
);
565 pi
->link_width_downgrade
.supported
=
566 cpu_to_be16(ppd
->link_width_downgrade_supported
);
567 pi
->link_width_downgrade
.enabled
=
568 cpu_to_be16(ppd
->link_width_downgrade_enabled
);
569 pi
->link_width_downgrade
.tx_active
=
570 cpu_to_be16(ppd
->link_width_downgrade_tx_active
);
571 pi
->link_width_downgrade
.rx_active
=
572 cpu_to_be16(ppd
->link_width_downgrade_rx_active
);
574 pi
->link_speed
.supported
= cpu_to_be16(ppd
->link_speed_supported
);
575 pi
->link_speed
.active
= cpu_to_be16(ppd
->link_speed_active
);
576 pi
->link_speed
.enabled
= cpu_to_be16(ppd
->link_speed_enabled
);
578 state
= driver_lstate(ppd
);
580 if (start_of_sm_config
&& (state
== IB_PORT_INIT
))
581 ppd
->is_sm_config_started
= 1;
583 pi
->port_phys_conf
= __opa_porttype(ppd
) & 0xf;
585 #if PI_LED_ENABLE_SUP
586 pi
->port_states
.ledenable_offlinereason
= ppd
->neighbor_normal
<< 4;
587 pi
->port_states
.ledenable_offlinereason
|=
588 ppd
->is_sm_config_started
<< 5;
589 pi
->port_states
.ledenable_offlinereason
|=
590 ppd
->offline_disabled_reason
& OPA_PI_MASK_OFFLINE_REASON
;
592 pi
->port_states
.offline_reason
= ppd
->neighbor_normal
<< 4;
593 pi
->port_states
.offline_reason
|= ppd
->is_sm_config_started
<< 5;
594 pi
->port_states
.offline_reason
|= ppd
->offline_disabled_reason
&
595 OPA_PI_MASK_OFFLINE_REASON
;
596 #endif /* PI_LED_ENABLE_SUP */
598 pi
->port_states
.portphysstate_portstate
=
599 (hfi1_ibphys_portstate(ppd
) << 4) | state
;
601 pi
->mkeyprotect_lmc
= (ibp
->mkeyprot
<< 6) | ppd
->lmc
;
603 memset(pi
->neigh_mtu
.pvlx_to_mtu
, 0, sizeof(pi
->neigh_mtu
.pvlx_to_mtu
));
604 for (i
= 0; i
< ppd
->vls_supported
; i
++) {
605 mtu
= mtu_to_enum(dd
->vld
[i
].mtu
, HFI1_DEFAULT_ACTIVE_MTU
);
607 pi
->neigh_mtu
.pvlx_to_mtu
[i
/2] |= (mtu
<< 4);
609 pi
->neigh_mtu
.pvlx_to_mtu
[i
/2] |= mtu
;
611 /* don't forget VL 15 */
612 mtu
= mtu_to_enum(dd
->vld
[15].mtu
, 2048);
613 pi
->neigh_mtu
.pvlx_to_mtu
[15/2] |= mtu
;
614 pi
->smsl
= ibp
->sm_sl
& OPA_PI_MASK_SMSL
;
615 pi
->operational_vls
= hfi1_get_ib_cfg(ppd
, HFI1_IB_CFG_OP_VLS
);
616 pi
->partenforce_filterraw
|=
617 (ppd
->linkinit_reason
& OPA_PI_MASK_LINKINIT_REASON
);
618 if (ppd
->part_enforce
& HFI1_PART_ENFORCE_IN
)
619 pi
->partenforce_filterraw
|= OPA_PI_MASK_PARTITION_ENFORCE_IN
;
620 if (ppd
->part_enforce
& HFI1_PART_ENFORCE_OUT
)
621 pi
->partenforce_filterraw
|= OPA_PI_MASK_PARTITION_ENFORCE_OUT
;
622 pi
->mkey_violations
= cpu_to_be16(ibp
->mkey_violations
);
623 /* P_KeyViolations are counted by hardware. */
624 pi
->pkey_violations
= cpu_to_be16(ibp
->pkey_violations
);
625 pi
->qkey_violations
= cpu_to_be16(ibp
->qkey_violations
);
627 pi
->vl
.cap
= ppd
->vls_supported
;
628 pi
->vl
.high_limit
= cpu_to_be16(ibp
->vl_high_limit
);
629 pi
->vl
.arb_high_cap
= (u8
)hfi1_get_ib_cfg(ppd
, HFI1_IB_CFG_VL_HIGH_CAP
);
630 pi
->vl
.arb_low_cap
= (u8
)hfi1_get_ib_cfg(ppd
, HFI1_IB_CFG_VL_LOW_CAP
);
632 pi
->clientrereg_subnettimeout
= ibp
->subnet_timeout
;
634 pi
->port_link_mode
= cpu_to_be16(OPA_PORT_LINK_MODE_OPA
<< 10 |
635 OPA_PORT_LINK_MODE_OPA
<< 5 |
636 OPA_PORT_LINK_MODE_OPA
);
638 pi
->port_ltp_crc_mode
= cpu_to_be16(ppd
->port_ltp_crc_mode
);
640 pi
->port_mode
= cpu_to_be16(
641 ppd
->is_active_optimize_enabled
?
642 OPA_PI_MASK_PORT_ACTIVE_OPTOMIZE
: 0);
644 pi
->port_packet_format
.supported
=
645 cpu_to_be16(OPA_PORT_PACKET_FORMAT_9B
);
646 pi
->port_packet_format
.enabled
=
647 cpu_to_be16(OPA_PORT_PACKET_FORMAT_9B
);
649 /* flit_control.interleave is (OPA V1, version .76):
653 * 2 DistanceSupported
655 * 5 MaxNextLevelTxEnabled
656 * 5 MaxNestLevelRxSupported
658 * HFI supports only "distance mode 1" (see OPA V1, version .76,
659 * section 9.6.2), so set DistanceSupported, DistanceEnabled
662 pi
->flit_control
.interleave
= cpu_to_be16(0x1400);
664 pi
->link_down_reason
= ppd
->local_link_down_reason
.sma
;
665 pi
->neigh_link_down_reason
= ppd
->neigh_link_down_reason
.sma
;
666 pi
->port_error_action
= cpu_to_be32(ppd
->port_error_action
);
667 pi
->mtucap
= mtu_to_enum(hfi1_max_mtu
, IB_MTU_4096
);
669 /* 32.768 usec. response time (guessing) */
670 pi
->resptimevalue
= 3;
672 pi
->local_port_num
= port
;
674 /* buffer info for FM */
675 pi
->overall_buffer_space
= cpu_to_be16(dd
->link_credits
);
677 pi
->neigh_node_guid
= cpu_to_be64(ppd
->neighbor_guid
);
678 pi
->neigh_port_num
= ppd
->neighbor_port_number
;
679 pi
->port_neigh_mode
=
680 (ppd
->neighbor_type
& OPA_PI_MASK_NEIGH_NODE_TYPE
) |
681 (ppd
->mgmt_allowed
? OPA_PI_MASK_NEIGH_MGMT_ALLOWED
: 0) |
682 (ppd
->neighbor_fm_security
?
683 OPA_PI_MASK_NEIGH_FW_AUTH_BYPASS
: 0);
685 /* HFIs shall always return VL15 credits to their
686 * neighbor in a timely manner, without any credit return pacing.
689 buffer_units
= (dd
->vau
) & OPA_PI_MASK_BUF_UNIT_BUF_ALLOC
;
690 buffer_units
|= (dd
->vcu
<< 3) & OPA_PI_MASK_BUF_UNIT_CREDIT_ACK
;
691 buffer_units
|= (credit_rate
<< 6) &
692 OPA_PI_MASK_BUF_UNIT_VL15_CREDIT_RATE
;
693 buffer_units
|= (dd
->vl15_init
<< 11) & OPA_PI_MASK_BUF_UNIT_VL15_INIT
;
694 pi
->buffer_units
= cpu_to_be32(buffer_units
);
696 pi
->opa_cap_mask
= cpu_to_be16(OPA_CAP_MASK3_IsSharedSpaceSupported
);
698 /* HFI supports a replay buffer 128 LTPs in size */
699 pi
->replay_depth
.buffer
= 0x80;
700 /* read the cached value of DC_LCB_STS_ROUND_TRIP_LTP_CNT */
701 read_lcb_cache(DC_LCB_STS_ROUND_TRIP_LTP_CNT
, &tmp
);
703 /* this counter is 16 bits wide, but the replay_depth.wire
704 * variable is only 8 bits */
707 pi
->replay_depth
.wire
= tmp
;
710 *resp_len
+= sizeof(struct opa_port_info
);
712 return reply((struct ib_mad_hdr
*)smp
);
716 * get_pkeys - return the PKEY table
717 * @dd: the hfi1_ib device
718 * @port: the IB port number
719 * @pkeys: the pkey table is placed here
721 static int get_pkeys(struct hfi1_devdata
*dd
, u8 port
, u16
*pkeys
)
723 struct hfi1_pportdata
*ppd
= dd
->pport
+ port
- 1;
725 memcpy(pkeys
, ppd
->pkeys
, sizeof(ppd
->pkeys
));
730 static int __subn_get_opa_pkeytable(struct opa_smp
*smp
, u32 am
, u8
*data
,
731 struct ib_device
*ibdev
, u8 port
,
734 struct hfi1_devdata
*dd
= dd_from_ibdev(ibdev
);
735 u32 n_blocks_req
= OPA_AM_NBLK(am
);
736 u32 start_block
= am
& 0x7ff;
741 unsigned npkeys
= hfi1_get_npkeys(dd
);
744 if (n_blocks_req
== 0) {
745 pr_warn("OPA Get PKey AM Invalid : P = %d; B = 0x%x; N = 0x%x\n",
746 port
, start_block
, n_blocks_req
);
747 smp
->status
|= IB_SMP_INVALID_FIELD
;
748 return reply((struct ib_mad_hdr
*)smp
);
751 n_blocks_avail
= (u16
) (npkeys
/OPA_PARTITION_TABLE_BLK_SIZE
) + 1;
753 size
= (n_blocks_req
* OPA_PARTITION_TABLE_BLK_SIZE
) * sizeof(u16
);
755 if (start_block
+ n_blocks_req
> n_blocks_avail
||
756 n_blocks_req
> OPA_NUM_PKEY_BLOCKS_PER_SMP
) {
757 pr_warn("OPA Get PKey AM Invalid : s 0x%x; req 0x%x; "
758 "avail 0x%x; blk/smp 0x%lx\n",
759 start_block
, n_blocks_req
, n_blocks_avail
,
760 OPA_NUM_PKEY_BLOCKS_PER_SMP
);
761 smp
->status
|= IB_SMP_INVALID_FIELD
;
762 return reply((struct ib_mad_hdr
*)smp
);
767 /* get the real pkeys if we are requesting the first block */
768 if (start_block
== 0) {
769 get_pkeys(dd
, port
, q
);
770 for (i
= 0; i
< npkeys
; i
++)
771 p
[i
] = cpu_to_be16(q
[i
]);
775 smp
->status
|= IB_SMP_INVALID_FIELD
;
777 return reply((struct ib_mad_hdr
*)smp
);
781 HFI_TRANSITION_DISALLOWED
,
782 HFI_TRANSITION_IGNORED
,
783 HFI_TRANSITION_ALLOWED
,
784 HFI_TRANSITION_UNDEFINED
,
788 * Use shortened names to improve readability of
789 * {logical,physical}_state_transitions
792 __D
= HFI_TRANSITION_DISALLOWED
,
793 __I
= HFI_TRANSITION_IGNORED
,
794 __A
= HFI_TRANSITION_ALLOWED
,
795 __U
= HFI_TRANSITION_UNDEFINED
,
799 * IB_PORTPHYSSTATE_POLLING (2) through OPA_PORTPHYSSTATE_MAX (11) are
800 * represented in physical_state_transitions.
802 #define __N_PHYSTATES (OPA_PORTPHYSSTATE_MAX - IB_PORTPHYSSTATE_POLLING + 1)
805 * Within physical_state_transitions, rows represent "old" states,
806 * columns "new" states, and physical_state_transitions.allowed[old][new]
807 * indicates if the transition from old state to new state is legal (see
808 * OPAg1v1, Table 6-4).
810 static const struct {
811 u8 allowed
[__N_PHYSTATES
][__N_PHYSTATES
];
812 } physical_state_transitions
= {
814 /* 2 3 4 5 6 7 8 9 10 11 */
815 /* 2 */ { __A
, __A
, __D
, __D
, __D
, __D
, __D
, __D
, __D
, __D
},
816 /* 3 */ { __A
, __I
, __D
, __D
, __D
, __D
, __D
, __D
, __D
, __A
},
817 /* 4 */ { __U
, __U
, __U
, __U
, __U
, __U
, __U
, __U
, __U
, __U
},
818 /* 5 */ { __A
, __A
, __D
, __I
, __D
, __D
, __D
, __D
, __D
, __D
},
819 /* 6 */ { __U
, __U
, __U
, __U
, __U
, __U
, __U
, __U
, __U
, __U
},
820 /* 7 */ { __D
, __A
, __D
, __D
, __D
, __I
, __D
, __D
, __D
, __D
},
821 /* 8 */ { __U
, __U
, __U
, __U
, __U
, __U
, __U
, __U
, __U
, __U
},
822 /* 9 */ { __I
, __A
, __D
, __D
, __D
, __D
, __D
, __I
, __D
, __D
},
823 /*10 */ { __U
, __U
, __U
, __U
, __U
, __U
, __U
, __U
, __U
, __U
},
824 /*11 */ { __D
, __A
, __D
, __D
, __D
, __D
, __D
, __D
, __D
, __I
},
829 * IB_PORT_DOWN (1) through IB_PORT_ACTIVE_DEFER (5) are represented
830 * logical_state_transitions
833 #define __N_LOGICAL_STATES (IB_PORT_ACTIVE_DEFER - IB_PORT_DOWN + 1)
836 * Within logical_state_transitions rows represent "old" states,
837 * columns "new" states, and logical_state_transitions.allowed[old][new]
838 * indicates if the transition from old state to new state is legal (see
839 * OPAg1v1, Table 9-12).
841 static const struct {
842 u8 allowed
[__N_LOGICAL_STATES
][__N_LOGICAL_STATES
];
843 } logical_state_transitions
= {
846 /* 1 */ { __I
, __D
, __D
, __D
, __U
},
847 /* 2 */ { __D
, __I
, __A
, __D
, __U
},
848 /* 3 */ { __D
, __D
, __I
, __A
, __U
},
849 /* 4 */ { __D
, __D
, __I
, __I
, __U
},
850 /* 5 */ { __U
, __U
, __U
, __U
, __U
},
854 static int logical_transition_allowed(int old
, int new)
856 if (old
< IB_PORT_NOP
|| old
> IB_PORT_ACTIVE_DEFER
||
857 new < IB_PORT_NOP
|| new > IB_PORT_ACTIVE_DEFER
) {
858 pr_warn("invalid logical state(s) (old %d new %d)\n",
860 return HFI_TRANSITION_UNDEFINED
;
863 if (new == IB_PORT_NOP
)
864 return HFI_TRANSITION_ALLOWED
; /* always allowed */
866 /* adjust states for indexing into logical_state_transitions */
870 if (old
< 0 || new < 0)
871 return HFI_TRANSITION_UNDEFINED
;
872 return logical_state_transitions
.allowed
[old
][new];
875 static int physical_transition_allowed(int old
, int new)
877 if (old
< IB_PORTPHYSSTATE_NOP
|| old
> OPA_PORTPHYSSTATE_MAX
||
878 new < IB_PORTPHYSSTATE_NOP
|| new > OPA_PORTPHYSSTATE_MAX
) {
879 pr_warn("invalid physical state(s) (old %d new %d)\n",
881 return HFI_TRANSITION_UNDEFINED
;
884 if (new == IB_PORTPHYSSTATE_NOP
)
885 return HFI_TRANSITION_ALLOWED
; /* always allowed */
887 /* adjust states for indexing into physical_state_transitions */
888 old
-= IB_PORTPHYSSTATE_POLLING
;
889 new -= IB_PORTPHYSSTATE_POLLING
;
891 if (old
< 0 || new < 0)
892 return HFI_TRANSITION_UNDEFINED
;
893 return physical_state_transitions
.allowed
[old
][new];
896 static int port_states_transition_allowed(struct hfi1_pportdata
*ppd
,
897 u32 logical_new
, u32 physical_new
)
899 u32 physical_old
= driver_physical_state(ppd
);
900 u32 logical_old
= driver_logical_state(ppd
);
901 int ret
, logical_allowed
, physical_allowed
;
903 logical_allowed
= ret
=
904 logical_transition_allowed(logical_old
, logical_new
);
906 if (ret
== HFI_TRANSITION_DISALLOWED
||
907 ret
== HFI_TRANSITION_UNDEFINED
) {
908 pr_warn("invalid logical state transition %s -> %s\n",
909 opa_lstate_name(logical_old
),
910 opa_lstate_name(logical_new
));
914 physical_allowed
= ret
=
915 physical_transition_allowed(physical_old
, physical_new
);
917 if (ret
== HFI_TRANSITION_DISALLOWED
||
918 ret
== HFI_TRANSITION_UNDEFINED
) {
919 pr_warn("invalid physical state transition %s -> %s\n",
920 opa_pstate_name(physical_old
),
921 opa_pstate_name(physical_new
));
925 if (logical_allowed
== HFI_TRANSITION_IGNORED
&&
926 physical_allowed
== HFI_TRANSITION_IGNORED
)
927 return HFI_TRANSITION_IGNORED
;
930 * Either physical_allowed or logical_allowed is
931 * HFI_TRANSITION_ALLOWED.
933 return HFI_TRANSITION_ALLOWED
;
936 static int set_port_states(struct hfi1_pportdata
*ppd
, struct opa_smp
*smp
,
937 u32 logical_state
, u32 phys_state
,
938 int suppress_idle_sma
)
940 struct hfi1_devdata
*dd
= ppd
->dd
;
944 ret
= port_states_transition_allowed(ppd
, logical_state
, phys_state
);
945 if (ret
== HFI_TRANSITION_DISALLOWED
||
946 ret
== HFI_TRANSITION_UNDEFINED
) {
947 /* error message emitted above */
948 smp
->status
|= IB_SMP_INVALID_FIELD
;
952 if (ret
== HFI_TRANSITION_IGNORED
)
955 if ((phys_state
!= IB_PORTPHYSSTATE_NOP
) &&
956 !(logical_state
== IB_PORT_DOWN
||
957 logical_state
== IB_PORT_NOP
)){
958 pr_warn("SubnSet(OPA_PortInfo) port state invalid: logical_state 0x%x physical_state 0x%x\n",
959 logical_state
, phys_state
);
960 smp
->status
|= IB_SMP_INVALID_FIELD
;
964 * Logical state changes are summarized in OPAv1g1 spec.,
965 * Table 9-12; physical state changes are summarized in
966 * OPAv1g1 spec., Table 6.4.
968 switch (logical_state
) {
970 if (phys_state
== IB_PORTPHYSSTATE_NOP
)
974 if (phys_state
== IB_PORTPHYSSTATE_NOP
)
975 link_state
= HLS_DN_DOWNDEF
;
976 else if (phys_state
== IB_PORTPHYSSTATE_POLLING
) {
977 link_state
= HLS_DN_POLL
;
978 set_link_down_reason(ppd
,
979 OPA_LINKDOWN_REASON_FM_BOUNCE
, 0,
980 OPA_LINKDOWN_REASON_FM_BOUNCE
);
981 } else if (phys_state
== IB_PORTPHYSSTATE_DISABLED
)
982 link_state
= HLS_DN_DISABLE
;
984 pr_warn("SubnSet(OPA_PortInfo) invalid physical state 0x%x\n",
986 smp
->status
|= IB_SMP_INVALID_FIELD
;
990 set_link_state(ppd
, link_state
);
991 if (link_state
== HLS_DN_DISABLE
&&
992 (ppd
->offline_disabled_reason
>
993 OPA_LINKDOWN_REASON_SMA_DISABLED
||
994 ppd
->offline_disabled_reason
==
995 OPA_LINKDOWN_REASON_NONE
))
996 ppd
->offline_disabled_reason
=
997 OPA_LINKDOWN_REASON_SMA_DISABLED
;
999 * Don't send a reply if the response would be sent
1000 * through the disabled port.
1002 if (link_state
== HLS_DN_DISABLE
&& smp
->hop_cnt
)
1003 return IB_MAD_RESULT_SUCCESS
| IB_MAD_RESULT_CONSUMED
;
1006 ret
= set_link_state(ppd
, HLS_UP_ARMED
);
1007 if ((ret
== 0) && (suppress_idle_sma
== 0))
1008 send_idle_sma(dd
, SMA_IDLE_ARM
);
1010 case IB_PORT_ACTIVE
:
1011 if (ppd
->neighbor_normal
) {
1012 ret
= set_link_state(ppd
, HLS_UP_ACTIVE
);
1014 send_idle_sma(dd
, SMA_IDLE_ACTIVE
);
1016 pr_warn("SubnSet(OPA_PortInfo) Cannot move to Active with NeighborNormal 0\n");
1017 smp
->status
|= IB_SMP_INVALID_FIELD
;
1021 pr_warn("SubnSet(OPA_PortInfo) invalid logical state 0x%x\n",
1023 smp
->status
|= IB_SMP_INVALID_FIELD
;
1030 * subn_set_opa_portinfo - set port information
1031 * @smp: the incoming SM packet
1032 * @ibdev: the infiniband device
1033 * @port: the port on the device
1036 static int __subn_set_opa_portinfo(struct opa_smp
*smp
, u32 am
, u8
*data
,
1037 struct ib_device
*ibdev
, u8 port
,
1040 struct opa_port_info
*pi
= (struct opa_port_info
*)data
;
1041 struct ib_event event
;
1042 struct hfi1_devdata
*dd
;
1043 struct hfi1_pportdata
*ppd
;
1044 struct hfi1_ibport
*ibp
;
1046 unsigned long flags
;
1047 u32 smlid
, opa_lid
; /* tmp vars to hold LID values */
1049 u8 ls_old
, ls_new
, ps_new
;
1054 u32 num_ports
= OPA_AM_NPORT(am
);
1055 u32 start_of_sm_config
= OPA_AM_START_SM_CFG(am
);
1056 int ret
, i
, invalid
= 0, call_set_mtu
= 0;
1057 int call_link_downgrade_policy
= 0;
1059 if (num_ports
!= 1) {
1060 smp
->status
|= IB_SMP_INVALID_FIELD
;
1061 return reply((struct ib_mad_hdr
*)smp
);
1064 opa_lid
= be32_to_cpu(pi
->lid
);
1065 if (opa_lid
& 0xFFFF0000) {
1066 pr_warn("OPA_PortInfo lid out of range: %X\n", opa_lid
);
1067 smp
->status
|= IB_SMP_INVALID_FIELD
;
1071 lid
= (u16
)(opa_lid
& 0x0000FFFF);
1073 smlid
= be32_to_cpu(pi
->sm_lid
);
1074 if (smlid
& 0xFFFF0000) {
1075 pr_warn("OPA_PortInfo SM lid out of range: %X\n", smlid
);
1076 smp
->status
|= IB_SMP_INVALID_FIELD
;
1079 smlid
&= 0x0000FFFF;
1081 clientrereg
= (pi
->clientrereg_subnettimeout
&
1082 OPA_PI_MASK_CLIENT_REREGISTER
);
1084 dd
= dd_from_ibdev(ibdev
);
1085 /* IB numbers ports from 1, hw from 0 */
1086 ppd
= dd
->pport
+ (port
- 1);
1087 ibp
= &ppd
->ibport_data
;
1088 event
.device
= ibdev
;
1089 event
.element
.port_num
= port
;
1091 ls_old
= driver_lstate(ppd
);
1093 ibp
->mkey
= pi
->mkey
;
1094 ibp
->gid_prefix
= pi
->subnet_prefix
;
1095 ibp
->mkey_lease_period
= be16_to_cpu(pi
->mkey_lease_period
);
1097 /* Must be a valid unicast LID address. */
1098 if ((lid
== 0 && ls_old
> IB_PORT_INIT
) ||
1099 lid
>= HFI1_MULTICAST_LID_BASE
) {
1100 smp
->status
|= IB_SMP_INVALID_FIELD
;
1101 pr_warn("SubnSet(OPA_PortInfo) lid invalid 0x%x\n",
1103 } else if (ppd
->lid
!= lid
||
1104 ppd
->lmc
!= (pi
->mkeyprotect_lmc
& OPA_PI_MASK_LMC
)) {
1105 if (ppd
->lid
!= lid
)
1106 hfi1_set_uevent_bits(ppd
, _HFI1_EVENT_LID_CHANGE_BIT
);
1107 if (ppd
->lmc
!= (pi
->mkeyprotect_lmc
& OPA_PI_MASK_LMC
))
1108 hfi1_set_uevent_bits(ppd
, _HFI1_EVENT_LMC_CHANGE_BIT
);
1109 hfi1_set_lid(ppd
, lid
, pi
->mkeyprotect_lmc
& OPA_PI_MASK_LMC
);
1110 event
.event
= IB_EVENT_LID_CHANGE
;
1111 ib_dispatch_event(&event
);
1114 msl
= pi
->smsl
& OPA_PI_MASK_SMSL
;
1115 if (pi
->partenforce_filterraw
& OPA_PI_MASK_LINKINIT_REASON
)
1116 ppd
->linkinit_reason
=
1117 (pi
->partenforce_filterraw
&
1118 OPA_PI_MASK_LINKINIT_REASON
);
1119 /* enable/disable SW pkey checking as per FM control */
1120 if (pi
->partenforce_filterraw
& OPA_PI_MASK_PARTITION_ENFORCE_IN
)
1121 ppd
->part_enforce
|= HFI1_PART_ENFORCE_IN
;
1123 ppd
->part_enforce
&= ~HFI1_PART_ENFORCE_IN
;
1125 if (pi
->partenforce_filterraw
& OPA_PI_MASK_PARTITION_ENFORCE_OUT
)
1126 ppd
->part_enforce
|= HFI1_PART_ENFORCE_OUT
;
1128 ppd
->part_enforce
&= ~HFI1_PART_ENFORCE_OUT
;
1130 /* Must be a valid unicast LID address. */
1131 if ((smlid
== 0 && ls_old
> IB_PORT_INIT
) ||
1132 smlid
>= HFI1_MULTICAST_LID_BASE
) {
1133 smp
->status
|= IB_SMP_INVALID_FIELD
;
1134 pr_warn("SubnSet(OPA_PortInfo) smlid invalid 0x%x\n", smlid
);
1135 } else if (smlid
!= ibp
->sm_lid
|| msl
!= ibp
->sm_sl
) {
1136 pr_warn("SubnSet(OPA_PortInfo) smlid 0x%x\n", smlid
);
1137 spin_lock_irqsave(&ibp
->lock
, flags
);
1139 if (smlid
!= ibp
->sm_lid
)
1140 ibp
->sm_ah
->attr
.dlid
= smlid
;
1141 if (msl
!= ibp
->sm_sl
)
1142 ibp
->sm_ah
->attr
.sl
= msl
;
1144 spin_unlock_irqrestore(&ibp
->lock
, flags
);
1145 if (smlid
!= ibp
->sm_lid
)
1146 ibp
->sm_lid
= smlid
;
1147 if (msl
!= ibp
->sm_sl
)
1149 event
.event
= IB_EVENT_SM_CHANGE
;
1150 ib_dispatch_event(&event
);
1153 if (pi
->link_down_reason
== 0) {
1154 ppd
->local_link_down_reason
.sma
= 0;
1155 ppd
->local_link_down_reason
.latest
= 0;
1158 if (pi
->neigh_link_down_reason
== 0) {
1159 ppd
->neigh_link_down_reason
.sma
= 0;
1160 ppd
->neigh_link_down_reason
.latest
= 0;
1163 ppd
->sm_trap_qp
= be32_to_cpu(pi
->sm_trap_qp
);
1164 ppd
->sa_qp
= be32_to_cpu(pi
->sa_qp
);
1166 ppd
->port_error_action
= be32_to_cpu(pi
->port_error_action
);
1167 lwe
= be16_to_cpu(pi
->link_width
.enabled
);
1169 if (lwe
== OPA_LINK_WIDTH_RESET
1170 || lwe
== OPA_LINK_WIDTH_RESET_OLD
)
1171 set_link_width_enabled(ppd
, ppd
->link_width_supported
);
1172 else if ((lwe
& ~ppd
->link_width_supported
) == 0)
1173 set_link_width_enabled(ppd
, lwe
);
1175 smp
->status
|= IB_SMP_INVALID_FIELD
;
1177 lwe
= be16_to_cpu(pi
->link_width_downgrade
.enabled
);
1178 /* LWD.E is always applied - 0 means "disabled" */
1179 if (lwe
== OPA_LINK_WIDTH_RESET
1180 || lwe
== OPA_LINK_WIDTH_RESET_OLD
) {
1181 set_link_width_downgrade_enabled(ppd
,
1182 ppd
->link_width_downgrade_supported
);
1183 } else if ((lwe
& ~ppd
->link_width_downgrade_supported
) == 0) {
1184 /* only set and apply if something changed */
1185 if (lwe
!= ppd
->link_width_downgrade_enabled
) {
1186 set_link_width_downgrade_enabled(ppd
, lwe
);
1187 call_link_downgrade_policy
= 1;
1190 smp
->status
|= IB_SMP_INVALID_FIELD
;
1192 lse
= be16_to_cpu(pi
->link_speed
.enabled
);
1194 if (lse
& be16_to_cpu(pi
->link_speed
.supported
))
1195 set_link_speed_enabled(ppd
, lse
);
1197 smp
->status
|= IB_SMP_INVALID_FIELD
;
1200 ibp
->mkeyprot
= (pi
->mkeyprotect_lmc
& OPA_PI_MASK_MKEY_PROT_BIT
) >> 6;
1201 ibp
->vl_high_limit
= be16_to_cpu(pi
->vl
.high_limit
) & 0xFF;
1202 (void)hfi1_set_ib_cfg(ppd
, HFI1_IB_CFG_VL_HIGH_LIMIT
,
1203 ibp
->vl_high_limit
);
1205 if (ppd
->vls_supported
/2 > ARRAY_SIZE(pi
->neigh_mtu
.pvlx_to_mtu
) ||
1206 ppd
->vls_supported
> ARRAY_SIZE(dd
->vld
)) {
1207 smp
->status
|= IB_SMP_INVALID_FIELD
;
1208 return reply((struct ib_mad_hdr
*)smp
);
1210 for (i
= 0; i
< ppd
->vls_supported
; i
++) {
1212 mtu
= enum_to_mtu((pi
->neigh_mtu
.pvlx_to_mtu
[i
/2] >> 4)
1215 mtu
= enum_to_mtu(pi
->neigh_mtu
.pvlx_to_mtu
[i
/2] & 0xF);
1216 if (mtu
== 0xffff) {
1217 pr_warn("SubnSet(OPA_PortInfo) mtu invalid %d (0x%x)\n",
1219 (pi
->neigh_mtu
.pvlx_to_mtu
[0] >> 4) & 0xF);
1220 smp
->status
|= IB_SMP_INVALID_FIELD
;
1221 mtu
= hfi1_max_mtu
; /* use a valid MTU */
1223 if (dd
->vld
[i
].mtu
!= mtu
) {
1225 "MTU change on vl %d from %d to %d\n",
1226 i
, dd
->vld
[i
].mtu
, mtu
);
1227 dd
->vld
[i
].mtu
= mtu
;
1231 /* As per OPAV1 spec: VL15 must support and be configured
1232 * for operation with a 2048 or larger MTU.
1234 mtu
= enum_to_mtu(pi
->neigh_mtu
.pvlx_to_mtu
[15/2] & 0xF);
1235 if (mtu
< 2048 || mtu
== 0xffff)
1237 if (dd
->vld
[15].mtu
!= mtu
) {
1239 "MTU change on vl 15 from %d to %d\n",
1240 dd
->vld
[15].mtu
, mtu
);
1241 dd
->vld
[15].mtu
= mtu
;
1247 /* Set operational VLs */
1248 vls
= pi
->operational_vls
& OPA_PI_MASK_OPERATIONAL_VL
;
1250 if (vls
> ppd
->vls_supported
) {
1251 pr_warn("SubnSet(OPA_PortInfo) VL's supported invalid %d\n",
1252 pi
->operational_vls
);
1253 smp
->status
|= IB_SMP_INVALID_FIELD
;
1255 if (hfi1_set_ib_cfg(ppd
, HFI1_IB_CFG_OP_VLS
,
1257 smp
->status
|= IB_SMP_INVALID_FIELD
;
1261 if (pi
->mkey_violations
== 0)
1262 ibp
->mkey_violations
= 0;
1264 if (pi
->pkey_violations
== 0)
1265 ibp
->pkey_violations
= 0;
1267 if (pi
->qkey_violations
== 0)
1268 ibp
->qkey_violations
= 0;
1270 ibp
->subnet_timeout
=
1271 pi
->clientrereg_subnettimeout
& OPA_PI_MASK_SUBNET_TIMEOUT
;
1273 crc_enabled
= be16_to_cpu(pi
->port_ltp_crc_mode
);
1277 if (crc_enabled
!= 0)
1278 ppd
->port_crc_mode_enabled
= port_ltp_to_cap(crc_enabled
);
1280 ppd
->is_active_optimize_enabled
=
1281 !!(be16_to_cpu(pi
->port_mode
)
1282 & OPA_PI_MASK_PORT_ACTIVE_OPTOMIZE
);
1284 ls_new
= pi
->port_states
.portphysstate_portstate
&
1285 OPA_PI_MASK_PORT_STATE
;
1286 ps_new
= (pi
->port_states
.portphysstate_portstate
&
1287 OPA_PI_MASK_PORT_PHYSICAL_STATE
) >> 4;
1289 if (ls_old
== IB_PORT_INIT
) {
1290 if (start_of_sm_config
) {
1291 if (ls_new
== ls_old
|| (ls_new
== IB_PORT_ARMED
))
1292 ppd
->is_sm_config_started
= 1;
1293 } else if (ls_new
== IB_PORT_ARMED
) {
1294 if (ppd
->is_sm_config_started
== 0)
1299 /* Handle CLIENT_REREGISTER event b/c SM asked us for it */
1301 event
.event
= IB_EVENT_CLIENT_REREGISTER
;
1302 ib_dispatch_event(&event
);
1306 * Do the port state change now that the other link parameters
1308 * Changing the port physical state only makes sense if the link
1309 * is down or is being set to down.
1312 ret
= set_port_states(ppd
, smp
, ls_new
, ps_new
, invalid
);
1316 ret
= __subn_get_opa_portinfo(smp
, am
, data
, ibdev
, port
, resp_len
);
1318 /* restore re-reg bit per o14-12.2.1 */
1319 pi
->clientrereg_subnettimeout
|= clientrereg
;
1322 * Apply the new link downgrade policy. This may result in a link
1323 * bounce. Do this after everything else so things are settled.
1324 * Possible problem: if setting the port state above fails, then
1325 * the policy change is not applied.
1327 if (call_link_downgrade_policy
)
1328 apply_link_downgrade_policy(ppd
, 0);
1333 return __subn_get_opa_portinfo(smp
, am
, data
, ibdev
, port
, resp_len
);
1337 * set_pkeys - set the PKEY table for ctxt 0
1338 * @dd: the hfi1_ib device
1339 * @port: the IB port number
1340 * @pkeys: the PKEY table
1342 static int set_pkeys(struct hfi1_devdata
*dd
, u8 port
, u16
*pkeys
)
1344 struct hfi1_pportdata
*ppd
;
1347 int update_includes_mgmt_partition
= 0;
1350 * IB port one/two always maps to context zero/one,
1351 * always a kernel context, no locking needed
1352 * If we get here with ppd setup, no need to check
1353 * that rcd is valid.
1355 ppd
= dd
->pport
+ (port
- 1);
1357 * If the update does not include the management pkey, don't do it.
1359 for (i
= 0; i
< ARRAY_SIZE(ppd
->pkeys
); i
++) {
1360 if (pkeys
[i
] == LIM_MGMT_P_KEY
) {
1361 update_includes_mgmt_partition
= 1;
1366 if (!update_includes_mgmt_partition
)
1369 for (i
= 0; i
< ARRAY_SIZE(ppd
->pkeys
); i
++) {
1371 u16 okey
= ppd
->pkeys
[i
];
1376 * The SM gives us the complete PKey table. We have
1377 * to ensure that we put the PKeys in the matching
1380 ppd
->pkeys
[i
] = key
;
1385 struct ib_event event
;
1387 (void)hfi1_set_ib_cfg(ppd
, HFI1_IB_CFG_PKEYS
, 0);
1389 event
.event
= IB_EVENT_PKEY_CHANGE
;
1390 event
.device
= &dd
->verbs_dev
.ibdev
;
1391 event
.element
.port_num
= port
;
1392 ib_dispatch_event(&event
);
1397 static int __subn_set_opa_pkeytable(struct opa_smp
*smp
, u32 am
, u8
*data
,
1398 struct ib_device
*ibdev
, u8 port
,
1401 struct hfi1_devdata
*dd
= dd_from_ibdev(ibdev
);
1402 u32 n_blocks_sent
= OPA_AM_NBLK(am
);
1403 u32 start_block
= am
& 0x7ff;
1404 u16
*p
= (u16
*) data
;
1405 __be16
*q
= (__be16
*)data
;
1408 unsigned npkeys
= hfi1_get_npkeys(dd
);
1410 if (n_blocks_sent
== 0) {
1411 pr_warn("OPA Get PKey AM Invalid : P = %d; B = 0x%x; N = 0x%x\n",
1412 port
, start_block
, n_blocks_sent
);
1413 smp
->status
|= IB_SMP_INVALID_FIELD
;
1414 return reply((struct ib_mad_hdr
*)smp
);
1417 n_blocks_avail
= (u16
)(npkeys
/OPA_PARTITION_TABLE_BLK_SIZE
) + 1;
1419 if (start_block
+ n_blocks_sent
> n_blocks_avail
||
1420 n_blocks_sent
> OPA_NUM_PKEY_BLOCKS_PER_SMP
) {
1421 pr_warn("OPA Set PKey AM Invalid : s 0x%x; req 0x%x; avail 0x%x; blk/smp 0x%lx\n",
1422 start_block
, n_blocks_sent
, n_blocks_avail
,
1423 OPA_NUM_PKEY_BLOCKS_PER_SMP
);
1424 smp
->status
|= IB_SMP_INVALID_FIELD
;
1425 return reply((struct ib_mad_hdr
*)smp
);
1428 for (i
= 0; i
< n_blocks_sent
* OPA_PARTITION_TABLE_BLK_SIZE
; i
++)
1429 p
[i
] = be16_to_cpu(q
[i
]);
1431 if (start_block
== 0 && set_pkeys(dd
, port
, p
) != 0) {
1432 smp
->status
|= IB_SMP_INVALID_FIELD
;
1433 return reply((struct ib_mad_hdr
*)smp
);
1436 return __subn_get_opa_pkeytable(smp
, am
, data
, ibdev
, port
, resp_len
);
1439 static int get_sc2vlt_tables(struct hfi1_devdata
*dd
, void *data
)
1441 u64
*val
= (u64
*)data
;
1443 *val
++ = read_csr(dd
, SEND_SC2VLT0
);
1444 *val
++ = read_csr(dd
, SEND_SC2VLT1
);
1445 *val
++ = read_csr(dd
, SEND_SC2VLT2
);
1446 *val
++ = read_csr(dd
, SEND_SC2VLT3
);
1450 #define ILLEGAL_VL 12
1452 * filter_sc2vlt changes mappings to VL15 to ILLEGAL_VL (except
1453 * for SC15, which must map to VL15). If we don't remap things this
1454 * way it is possible for VL15 counters to increment when we try to
1455 * send on a SC which is mapped to an invalid VL.
1457 static void filter_sc2vlt(void *data
)
1460 u8
*pd
= (u8
*)data
;
1462 for (i
= 0; i
< OPA_MAX_SCS
; i
++) {
1465 if ((pd
[i
] & 0x1f) == 0xf)
1470 static int set_sc2vlt_tables(struct hfi1_devdata
*dd
, void *data
)
1472 u64
*val
= (u64
*)data
;
1474 filter_sc2vlt(data
);
1476 write_csr(dd
, SEND_SC2VLT0
, *val
++);
1477 write_csr(dd
, SEND_SC2VLT1
, *val
++);
1478 write_csr(dd
, SEND_SC2VLT2
, *val
++);
1479 write_csr(dd
, SEND_SC2VLT3
, *val
++);
1480 write_seqlock_irq(&dd
->sc2vl_lock
);
1481 memcpy(dd
->sc2vl
, (u64
*)data
, sizeof(dd
->sc2vl
));
1482 write_sequnlock_irq(&dd
->sc2vl_lock
);
1486 static int __subn_get_opa_sl_to_sc(struct opa_smp
*smp
, u32 am
, u8
*data
,
1487 struct ib_device
*ibdev
, u8 port
,
1490 struct hfi1_ibport
*ibp
= to_iport(ibdev
, port
);
1492 size_t size
= ARRAY_SIZE(ibp
->sl_to_sc
); /* == 32 */
1496 smp
->status
|= IB_SMP_INVALID_FIELD
;
1497 return reply((struct ib_mad_hdr
*)smp
);
1500 for (i
= 0; i
< ARRAY_SIZE(ibp
->sl_to_sc
); i
++)
1501 *p
++ = ibp
->sl_to_sc
[i
];
1506 return reply((struct ib_mad_hdr
*)smp
);
1509 static int __subn_set_opa_sl_to_sc(struct opa_smp
*smp
, u32 am
, u8
*data
,
1510 struct ib_device
*ibdev
, u8 port
,
1513 struct hfi1_ibport
*ibp
= to_iport(ibdev
, port
);
1518 smp
->status
|= IB_SMP_INVALID_FIELD
;
1519 return reply((struct ib_mad_hdr
*)smp
);
1522 for (i
= 0; i
< ARRAY_SIZE(ibp
->sl_to_sc
); i
++)
1523 ibp
->sl_to_sc
[i
] = *p
++;
1525 return __subn_get_opa_sl_to_sc(smp
, am
, data
, ibdev
, port
, resp_len
);
1528 static int __subn_get_opa_sc_to_sl(struct opa_smp
*smp
, u32 am
, u8
*data
,
1529 struct ib_device
*ibdev
, u8 port
,
1532 struct hfi1_ibport
*ibp
= to_iport(ibdev
, port
);
1534 size_t size
= ARRAY_SIZE(ibp
->sc_to_sl
); /* == 32 */
1538 smp
->status
|= IB_SMP_INVALID_FIELD
;
1539 return reply((struct ib_mad_hdr
*)smp
);
1542 for (i
= 0; i
< ARRAY_SIZE(ibp
->sc_to_sl
); i
++)
1543 *p
++ = ibp
->sc_to_sl
[i
];
1548 return reply((struct ib_mad_hdr
*)smp
);
1551 static int __subn_set_opa_sc_to_sl(struct opa_smp
*smp
, u32 am
, u8
*data
,
1552 struct ib_device
*ibdev
, u8 port
,
1555 struct hfi1_ibport
*ibp
= to_iport(ibdev
, port
);
1560 smp
->status
|= IB_SMP_INVALID_FIELD
;
1561 return reply((struct ib_mad_hdr
*)smp
);
1564 for (i
= 0; i
< ARRAY_SIZE(ibp
->sc_to_sl
); i
++)
1565 ibp
->sc_to_sl
[i
] = *p
++;
1567 return __subn_get_opa_sc_to_sl(smp
, am
, data
, ibdev
, port
, resp_len
);
1570 static int __subn_get_opa_sc_to_vlt(struct opa_smp
*smp
, u32 am
, u8
*data
,
1571 struct ib_device
*ibdev
, u8 port
,
1574 u32 n_blocks
= OPA_AM_NBLK(am
);
1575 struct hfi1_devdata
*dd
= dd_from_ibdev(ibdev
);
1576 void *vp
= (void *) data
;
1577 size_t size
= 4 * sizeof(u64
);
1579 if (n_blocks
!= 1) {
1580 smp
->status
|= IB_SMP_INVALID_FIELD
;
1581 return reply((struct ib_mad_hdr
*)smp
);
1584 get_sc2vlt_tables(dd
, vp
);
1589 return reply((struct ib_mad_hdr
*)smp
);
1592 static int __subn_set_opa_sc_to_vlt(struct opa_smp
*smp
, u32 am
, u8
*data
,
1593 struct ib_device
*ibdev
, u8 port
,
1596 u32 n_blocks
= OPA_AM_NBLK(am
);
1597 int async_update
= OPA_AM_ASYNC(am
);
1598 struct hfi1_devdata
*dd
= dd_from_ibdev(ibdev
);
1599 void *vp
= (void *) data
;
1600 struct hfi1_pportdata
*ppd
;
1603 if (n_blocks
!= 1 || async_update
) {
1604 smp
->status
|= IB_SMP_INVALID_FIELD
;
1605 return reply((struct ib_mad_hdr
*)smp
);
1608 /* IB numbers ports from 1, hw from 0 */
1609 ppd
= dd
->pport
+ (port
- 1);
1610 lstate
= driver_lstate(ppd
);
1611 /* it's known that async_update is 0 by this point, but include
1612 * the explicit check for clarity */
1613 if (!async_update
&&
1614 (lstate
== IB_PORT_ARMED
|| lstate
== IB_PORT_ACTIVE
)) {
1615 smp
->status
|= IB_SMP_INVALID_FIELD
;
1616 return reply((struct ib_mad_hdr
*)smp
);
1619 set_sc2vlt_tables(dd
, vp
);
1621 return __subn_get_opa_sc_to_vlt(smp
, am
, data
, ibdev
, port
, resp_len
);
1624 static int __subn_get_opa_sc_to_vlnt(struct opa_smp
*smp
, u32 am
, u8
*data
,
1625 struct ib_device
*ibdev
, u8 port
,
1628 u32 n_blocks
= OPA_AM_NPORT(am
);
1629 struct hfi1_devdata
*dd
= dd_from_ibdev(ibdev
);
1630 struct hfi1_pportdata
*ppd
;
1631 void *vp
= (void *) data
;
1634 if (n_blocks
!= 1) {
1635 smp
->status
|= IB_SMP_INVALID_FIELD
;
1636 return reply((struct ib_mad_hdr
*)smp
);
1639 ppd
= dd
->pport
+ (port
- 1);
1641 size
= fm_get_table(ppd
, FM_TBL_SC2VLNT
, vp
);
1646 return reply((struct ib_mad_hdr
*)smp
);
1649 static int __subn_set_opa_sc_to_vlnt(struct opa_smp
*smp
, u32 am
, u8
*data
,
1650 struct ib_device
*ibdev
, u8 port
,
1653 u32 n_blocks
= OPA_AM_NPORT(am
);
1654 struct hfi1_devdata
*dd
= dd_from_ibdev(ibdev
);
1655 struct hfi1_pportdata
*ppd
;
1656 void *vp
= (void *) data
;
1659 if (n_blocks
!= 1) {
1660 smp
->status
|= IB_SMP_INVALID_FIELD
;
1661 return reply((struct ib_mad_hdr
*)smp
);
1664 /* IB numbers ports from 1, hw from 0 */
1665 ppd
= dd
->pport
+ (port
- 1);
1666 lstate
= driver_lstate(ppd
);
1667 if (lstate
== IB_PORT_ARMED
|| lstate
== IB_PORT_ACTIVE
) {
1668 smp
->status
|= IB_SMP_INVALID_FIELD
;
1669 return reply((struct ib_mad_hdr
*)smp
);
1672 ppd
= dd
->pport
+ (port
- 1);
1674 fm_set_table(ppd
, FM_TBL_SC2VLNT
, vp
);
1676 return __subn_get_opa_sc_to_vlnt(smp
, am
, data
, ibdev
, port
,
1680 static int __subn_get_opa_psi(struct opa_smp
*smp
, u32 am
, u8
*data
,
1681 struct ib_device
*ibdev
, u8 port
,
1684 u32 nports
= OPA_AM_NPORT(am
);
1685 u32 start_of_sm_config
= OPA_AM_START_SM_CFG(am
);
1687 struct hfi1_ibport
*ibp
;
1688 struct hfi1_pportdata
*ppd
;
1689 struct opa_port_state_info
*psi
= (struct opa_port_state_info
*) data
;
1692 smp
->status
|= IB_SMP_INVALID_FIELD
;
1693 return reply((struct ib_mad_hdr
*)smp
);
1696 ibp
= to_iport(ibdev
, port
);
1697 ppd
= ppd_from_ibp(ibp
);
1699 lstate
= driver_lstate(ppd
);
1701 if (start_of_sm_config
&& (lstate
== IB_PORT_INIT
))
1702 ppd
->is_sm_config_started
= 1;
1704 #if PI_LED_ENABLE_SUP
1705 psi
->port_states
.ledenable_offlinereason
= ppd
->neighbor_normal
<< 4;
1706 psi
->port_states
.ledenable_offlinereason
|=
1707 ppd
->is_sm_config_started
<< 5;
1708 psi
->port_states
.ledenable_offlinereason
|=
1709 ppd
->offline_disabled_reason
& OPA_PI_MASK_OFFLINE_REASON
;
1711 psi
->port_states
.offline_reason
= ppd
->neighbor_normal
<< 4;
1712 psi
->port_states
.offline_reason
|= ppd
->is_sm_config_started
<< 5;
1713 psi
->port_states
.offline_reason
|= ppd
->offline_disabled_reason
&
1714 OPA_PI_MASK_OFFLINE_REASON
;
1715 #endif /* PI_LED_ENABLE_SUP */
1717 psi
->port_states
.portphysstate_portstate
=
1718 (hfi1_ibphys_portstate(ppd
) << 4) | (lstate
& 0xf);
1719 psi
->link_width_downgrade_tx_active
=
1720 ppd
->link_width_downgrade_tx_active
;
1721 psi
->link_width_downgrade_rx_active
=
1722 ppd
->link_width_downgrade_rx_active
;
1724 *resp_len
+= sizeof(struct opa_port_state_info
);
1726 return reply((struct ib_mad_hdr
*)smp
);
1729 static int __subn_set_opa_psi(struct opa_smp
*smp
, u32 am
, u8
*data
,
1730 struct ib_device
*ibdev
, u8 port
,
1733 u32 nports
= OPA_AM_NPORT(am
);
1734 u32 start_of_sm_config
= OPA_AM_START_SM_CFG(am
);
1737 struct hfi1_ibport
*ibp
;
1738 struct hfi1_pportdata
*ppd
;
1739 struct opa_port_state_info
*psi
= (struct opa_port_state_info
*) data
;
1740 int ret
, invalid
= 0;
1743 smp
->status
|= IB_SMP_INVALID_FIELD
;
1744 return reply((struct ib_mad_hdr
*)smp
);
1747 ibp
= to_iport(ibdev
, port
);
1748 ppd
= ppd_from_ibp(ibp
);
1750 ls_old
= driver_lstate(ppd
);
1752 ls_new
= port_states_to_logical_state(&psi
->port_states
);
1753 ps_new
= port_states_to_phys_state(&psi
->port_states
);
1755 if (ls_old
== IB_PORT_INIT
) {
1756 if (start_of_sm_config
) {
1757 if (ls_new
== ls_old
|| (ls_new
== IB_PORT_ARMED
))
1758 ppd
->is_sm_config_started
= 1;
1759 } else if (ls_new
== IB_PORT_ARMED
) {
1760 if (ppd
->is_sm_config_started
== 0)
1765 ret
= set_port_states(ppd
, smp
, ls_new
, ps_new
, invalid
);
1770 smp
->status
|= IB_SMP_INVALID_FIELD
;
1772 return __subn_get_opa_psi(smp
, am
, data
, ibdev
, port
, resp_len
);
1775 static int __subn_get_opa_cable_info(struct opa_smp
*smp
, u32 am
, u8
*data
,
1776 struct ib_device
*ibdev
, u8 port
,
1779 struct hfi1_devdata
*dd
= dd_from_ibdev(ibdev
);
1780 u32 addr
= OPA_AM_CI_ADDR(am
);
1781 u32 len
= OPA_AM_CI_LEN(am
) + 1;
1784 #define __CI_PAGE_SIZE (1 << 7) /* 128 bytes */
1785 #define __CI_PAGE_MASK ~(__CI_PAGE_SIZE - 1)
1786 #define __CI_PAGE_NUM(a) ((a) & __CI_PAGE_MASK)
1788 /* check that addr is within spec, and
1789 * addr and (addr + len - 1) are on the same "page" */
1791 (__CI_PAGE_NUM(addr
) != __CI_PAGE_NUM(addr
+ len
- 1))) {
1792 smp
->status
|= IB_SMP_INVALID_FIELD
;
1793 return reply((struct ib_mad_hdr
*)smp
);
1796 ret
= get_cable_info(dd
, port
, addr
, len
, data
);
1798 if (ret
== -ENODEV
) {
1799 smp
->status
|= IB_SMP_UNSUP_METH_ATTR
;
1800 return reply((struct ib_mad_hdr
*)smp
);
1803 /* The address range for the CableInfo SMA query is wider than the
1804 * memory available on the QSFP cable. We want to return a valid
1805 * response, albeit zeroed out, for address ranges beyond available
1806 * memory but that are within the CableInfo query spec
1808 if (ret
< 0 && ret
!= -ERANGE
) {
1809 smp
->status
|= IB_SMP_INVALID_FIELD
;
1810 return reply((struct ib_mad_hdr
*)smp
);
1816 return reply((struct ib_mad_hdr
*)smp
);
1819 static int __subn_get_opa_bct(struct opa_smp
*smp
, u32 am
, u8
*data
,
1820 struct ib_device
*ibdev
, u8 port
, u32
*resp_len
)
1822 u32 num_ports
= OPA_AM_NPORT(am
);
1823 struct hfi1_devdata
*dd
= dd_from_ibdev(ibdev
);
1824 struct hfi1_pportdata
*ppd
;
1825 struct buffer_control
*p
= (struct buffer_control
*) data
;
1828 if (num_ports
!= 1) {
1829 smp
->status
|= IB_SMP_INVALID_FIELD
;
1830 return reply((struct ib_mad_hdr
*)smp
);
1833 ppd
= dd
->pport
+ (port
- 1);
1834 size
= fm_get_table(ppd
, FM_TBL_BUFFER_CONTROL
, p
);
1835 trace_bct_get(dd
, p
);
1839 return reply((struct ib_mad_hdr
*)smp
);
1842 static int __subn_set_opa_bct(struct opa_smp
*smp
, u32 am
, u8
*data
,
1843 struct ib_device
*ibdev
, u8 port
, u32
*resp_len
)
1845 u32 num_ports
= OPA_AM_NPORT(am
);
1846 struct hfi1_devdata
*dd
= dd_from_ibdev(ibdev
);
1847 struct hfi1_pportdata
*ppd
;
1848 struct buffer_control
*p
= (struct buffer_control
*) data
;
1850 if (num_ports
!= 1) {
1851 smp
->status
|= IB_SMP_INVALID_FIELD
;
1852 return reply((struct ib_mad_hdr
*)smp
);
1854 ppd
= dd
->pport
+ (port
- 1);
1855 trace_bct_set(dd
, p
);
1856 if (fm_set_table(ppd
, FM_TBL_BUFFER_CONTROL
, p
) < 0) {
1857 smp
->status
|= IB_SMP_INVALID_FIELD
;
1858 return reply((struct ib_mad_hdr
*)smp
);
1861 return __subn_get_opa_bct(smp
, am
, data
, ibdev
, port
, resp_len
);
1864 static int __subn_get_opa_vl_arb(struct opa_smp
*smp
, u32 am
, u8
*data
,
1865 struct ib_device
*ibdev
, u8 port
,
1868 struct hfi1_pportdata
*ppd
= ppd_from_ibp(to_iport(ibdev
, port
));
1869 u32 num_ports
= OPA_AM_NPORT(am
);
1870 u8 section
= (am
& 0x00ff0000) >> 16;
1874 if (num_ports
!= 1) {
1875 smp
->status
|= IB_SMP_INVALID_FIELD
;
1876 return reply((struct ib_mad_hdr
*)smp
);
1880 case OPA_VLARB_LOW_ELEMENTS
:
1881 size
= fm_get_table(ppd
, FM_TBL_VL_LOW_ARB
, p
);
1883 case OPA_VLARB_HIGH_ELEMENTS
:
1884 size
= fm_get_table(ppd
, FM_TBL_VL_HIGH_ARB
, p
);
1886 case OPA_VLARB_PREEMPT_ELEMENTS
:
1887 size
= fm_get_table(ppd
, FM_TBL_VL_PREEMPT_ELEMS
, p
);
1889 case OPA_VLARB_PREEMPT_MATRIX
:
1890 size
= fm_get_table(ppd
, FM_TBL_VL_PREEMPT_MATRIX
, p
);
1893 pr_warn("OPA SubnGet(VL Arb) AM Invalid : 0x%x\n",
1894 be32_to_cpu(smp
->attr_mod
));
1895 smp
->status
|= IB_SMP_INVALID_FIELD
;
1899 if (size
> 0 && resp_len
)
1902 return reply((struct ib_mad_hdr
*)smp
);
1905 static int __subn_set_opa_vl_arb(struct opa_smp
*smp
, u32 am
, u8
*data
,
1906 struct ib_device
*ibdev
, u8 port
,
1909 struct hfi1_pportdata
*ppd
= ppd_from_ibp(to_iport(ibdev
, port
));
1910 u32 num_ports
= OPA_AM_NPORT(am
);
1911 u8 section
= (am
& 0x00ff0000) >> 16;
1914 if (num_ports
!= 1) {
1915 smp
->status
|= IB_SMP_INVALID_FIELD
;
1916 return reply((struct ib_mad_hdr
*)smp
);
1920 case OPA_VLARB_LOW_ELEMENTS
:
1921 (void) fm_set_table(ppd
, FM_TBL_VL_LOW_ARB
, p
);
1923 case OPA_VLARB_HIGH_ELEMENTS
:
1924 (void) fm_set_table(ppd
, FM_TBL_VL_HIGH_ARB
, p
);
1926 /* neither OPA_VLARB_PREEMPT_ELEMENTS, or OPA_VLARB_PREEMPT_MATRIX
1927 * can be changed from the default values */
1928 case OPA_VLARB_PREEMPT_ELEMENTS
:
1930 case OPA_VLARB_PREEMPT_MATRIX
:
1931 smp
->status
|= IB_SMP_UNSUP_METH_ATTR
;
1934 pr_warn("OPA SubnSet(VL Arb) AM Invalid : 0x%x\n",
1935 be32_to_cpu(smp
->attr_mod
));
1936 smp
->status
|= IB_SMP_INVALID_FIELD
;
1940 return __subn_get_opa_vl_arb(smp
, am
, data
, ibdev
, port
, resp_len
);
1943 struct opa_pma_mad
{
1944 struct ib_mad_hdr mad_hdr
;
1948 struct opa_class_port_info
{
1952 __be32 cap_mask2_resp_time
;
1954 u8 redirect_gid
[16];
1955 __be32 redirect_tc_fl
;
1956 __be32 redirect_lid
;
1957 __be32 redirect_sl_qp
;
1958 __be32 redirect_qkey
;
1967 __be16 redirect_pkey
;
1973 struct opa_port_status_req
{
1976 __be32 vl_select_mask
;
1979 #define VL_MASK_ALL 0x000080ff
1981 struct opa_port_status_rsp
{
1984 __be32 vl_select_mask
;
1987 __be64 port_xmit_data
;
1988 __be64 port_rcv_data
;
1989 __be64 port_xmit_pkts
;
1990 __be64 port_rcv_pkts
;
1991 __be64 port_multicast_xmit_pkts
;
1992 __be64 port_multicast_rcv_pkts
;
1993 __be64 port_xmit_wait
;
1994 __be64 sw_port_congestion
;
1995 __be64 port_rcv_fecn
;
1996 __be64 port_rcv_becn
;
1997 __be64 port_xmit_time_cong
;
1998 __be64 port_xmit_wasted_bw
;
1999 __be64 port_xmit_wait_data
;
2000 __be64 port_rcv_bubble
;
2001 __be64 port_mark_fecn
;
2002 /* Error counters */
2003 __be64 port_rcv_constraint_errors
;
2004 __be64 port_rcv_switch_relay_errors
;
2005 __be64 port_xmit_discards
;
2006 __be64 port_xmit_constraint_errors
;
2007 __be64 port_rcv_remote_physical_errors
;
2008 __be64 local_link_integrity_errors
;
2009 __be64 port_rcv_errors
;
2010 __be64 excessive_buffer_overruns
;
2011 __be64 fm_config_errors
;
2012 __be32 link_error_recovery
;
2014 u8 uncorrectable_errors
;
2016 u8 link_quality_indicator
; /* 5res, 3bit */
2019 /* per-VL Data counters */
2020 __be64 port_vl_xmit_data
;
2021 __be64 port_vl_rcv_data
;
2022 __be64 port_vl_xmit_pkts
;
2023 __be64 port_vl_rcv_pkts
;
2024 __be64 port_vl_xmit_wait
;
2025 __be64 sw_port_vl_congestion
;
2026 __be64 port_vl_rcv_fecn
;
2027 __be64 port_vl_rcv_becn
;
2028 __be64 port_xmit_time_cong
;
2029 __be64 port_vl_xmit_wasted_bw
;
2030 __be64 port_vl_xmit_wait_data
;
2031 __be64 port_vl_rcv_bubble
;
2032 __be64 port_vl_mark_fecn
;
2033 __be64 port_vl_xmit_discards
;
2034 } vls
[0]; /* real array size defined by # bits set in vl_select_mask */
2037 enum counter_selects
{
2038 CS_PORT_XMIT_DATA
= (1 << 31),
2039 CS_PORT_RCV_DATA
= (1 << 30),
2040 CS_PORT_XMIT_PKTS
= (1 << 29),
2041 CS_PORT_RCV_PKTS
= (1 << 28),
2042 CS_PORT_MCAST_XMIT_PKTS
= (1 << 27),
2043 CS_PORT_MCAST_RCV_PKTS
= (1 << 26),
2044 CS_PORT_XMIT_WAIT
= (1 << 25),
2045 CS_SW_PORT_CONGESTION
= (1 << 24),
2046 CS_PORT_RCV_FECN
= (1 << 23),
2047 CS_PORT_RCV_BECN
= (1 << 22),
2048 CS_PORT_XMIT_TIME_CONG
= (1 << 21),
2049 CS_PORT_XMIT_WASTED_BW
= (1 << 20),
2050 CS_PORT_XMIT_WAIT_DATA
= (1 << 19),
2051 CS_PORT_RCV_BUBBLE
= (1 << 18),
2052 CS_PORT_MARK_FECN
= (1 << 17),
2053 CS_PORT_RCV_CONSTRAINT_ERRORS
= (1 << 16),
2054 CS_PORT_RCV_SWITCH_RELAY_ERRORS
= (1 << 15),
2055 CS_PORT_XMIT_DISCARDS
= (1 << 14),
2056 CS_PORT_XMIT_CONSTRAINT_ERRORS
= (1 << 13),
2057 CS_PORT_RCV_REMOTE_PHYSICAL_ERRORS
= (1 << 12),
2058 CS_LOCAL_LINK_INTEGRITY_ERRORS
= (1 << 11),
2059 CS_PORT_RCV_ERRORS
= (1 << 10),
2060 CS_EXCESSIVE_BUFFER_OVERRUNS
= (1 << 9),
2061 CS_FM_CONFIG_ERRORS
= (1 << 8),
2062 CS_LINK_ERROR_RECOVERY
= (1 << 7),
2063 CS_LINK_DOWNED
= (1 << 6),
2064 CS_UNCORRECTABLE_ERRORS
= (1 << 5),
2067 struct opa_clear_port_status
{
2068 __be64 port_select_mask
[4];
2069 __be32 counter_select_mask
;
2072 struct opa_aggregate
{
2074 __be16 err_reqlength
; /* 1 bit, 8 res, 7 bit */
2079 /* Request contains first two fields, response contains those plus the rest */
2080 struct opa_port_data_counters_msg
{
2081 __be64 port_select_mask
[4];
2082 __be32 vl_select_mask
;
2084 /* Response fields follow */
2086 struct _port_dctrs
{
2089 __be32 link_quality_indicator
; /* 29res, 3bit */
2092 __be64 port_xmit_data
;
2093 __be64 port_rcv_data
;
2094 __be64 port_xmit_pkts
;
2095 __be64 port_rcv_pkts
;
2096 __be64 port_multicast_xmit_pkts
;
2097 __be64 port_multicast_rcv_pkts
;
2098 __be64 port_xmit_wait
;
2099 __be64 sw_port_congestion
;
2100 __be64 port_rcv_fecn
;
2101 __be64 port_rcv_becn
;
2102 __be64 port_xmit_time_cong
;
2103 __be64 port_xmit_wasted_bw
;
2104 __be64 port_xmit_wait_data
;
2105 __be64 port_rcv_bubble
;
2106 __be64 port_mark_fecn
;
2108 __be64 port_error_counter_summary
;
2109 /* Sum of error counts/port */
2112 /* per-VL Data counters */
2113 __be64 port_vl_xmit_data
;
2114 __be64 port_vl_rcv_data
;
2115 __be64 port_vl_xmit_pkts
;
2116 __be64 port_vl_rcv_pkts
;
2117 __be64 port_vl_xmit_wait
;
2118 __be64 sw_port_vl_congestion
;
2119 __be64 port_vl_rcv_fecn
;
2120 __be64 port_vl_rcv_becn
;
2121 __be64 port_xmit_time_cong
;
2122 __be64 port_vl_xmit_wasted_bw
;
2123 __be64 port_vl_xmit_wait_data
;
2124 __be64 port_vl_rcv_bubble
;
2125 __be64 port_vl_mark_fecn
;
2127 /* array size defined by #bits set in vl_select_mask*/
2128 } port
[1]; /* array size defined by #ports in attribute modifier */
2131 struct opa_port_error_counters64_msg
{
2132 /* Request contains first two fields, response contains the
2134 __be64 port_select_mask
[4];
2135 __be32 vl_select_mask
;
2137 /* Response-only fields follow */
2139 struct _port_ectrs
{
2142 __be64 port_rcv_constraint_errors
;
2143 __be64 port_rcv_switch_relay_errors
;
2144 __be64 port_xmit_discards
;
2145 __be64 port_xmit_constraint_errors
;
2146 __be64 port_rcv_remote_physical_errors
;
2147 __be64 local_link_integrity_errors
;
2148 __be64 port_rcv_errors
;
2149 __be64 excessive_buffer_overruns
;
2150 __be64 fm_config_errors
;
2151 __be32 link_error_recovery
;
2153 u8 uncorrectable_errors
;
2156 __be64 port_vl_xmit_discards
;
2158 /* array size defined by #bits set in vl_select_mask */
2159 } port
[1]; /* array size defined by #ports in attribute modifier */
2162 struct opa_port_error_info_msg
{
2163 __be64 port_select_mask
[4];
2164 __be32 error_info_select_mask
;
2171 /* PortRcvErrorInfo */
2177 /* EI1to12 format */
2180 u8 remaining_flit_bits12
;
2184 u8 remaining_flit_bits
;
2188 } __packed port_rcv_ei
;
2190 /* ExcessiveBufferOverrunInfo */
2194 } __packed excessive_buffer_overrun_ei
;
2196 /* PortXmitConstraintErrorInfo */
2202 } __packed port_xmit_constraint_ei
;
2204 /* PortRcvConstraintErrorInfo */
2210 } __packed port_rcv_constraint_ei
;
2212 /* PortRcvSwitchRelayErrorInfo */
2217 } __packed port_rcv_switch_relay_ei
;
2219 /* UncorrectableErrorInfo */
2223 } __packed uncorrectable_ei
;
2225 /* FMConfigErrorInfo */
2229 } __packed fm_config_ei
;
2231 } port
[1]; /* actual array size defined by #ports in attr modifier */
2234 /* opa_port_error_info_msg error_info_select_mask bit definitions */
2235 enum error_info_selects
{
2236 ES_PORT_RCV_ERROR_INFO
= (1 << 31),
2237 ES_EXCESSIVE_BUFFER_OVERRUN_INFO
= (1 << 30),
2238 ES_PORT_XMIT_CONSTRAINT_ERROR_INFO
= (1 << 29),
2239 ES_PORT_RCV_CONSTRAINT_ERROR_INFO
= (1 << 28),
2240 ES_PORT_RCV_SWITCH_RELAY_ERROR_INFO
= (1 << 27),
2241 ES_UNCORRECTABLE_ERROR_INFO
= (1 << 26),
2242 ES_FM_CONFIG_ERROR_INFO
= (1 << 25)
2245 static int pma_get_opa_classportinfo(struct opa_pma_mad
*pmp
,
2246 struct ib_device
*ibdev
, u32
*resp_len
)
2248 struct opa_class_port_info
*p
=
2249 (struct opa_class_port_info
*)pmp
->data
;
2251 memset(pmp
->data
, 0, sizeof(pmp
->data
));
2253 if (pmp
->mad_hdr
.attr_mod
!= 0)
2254 pmp
->mad_hdr
.status
|= IB_SMP_INVALID_FIELD
;
2256 p
->base_version
= OPA_MGMT_BASE_VERSION
;
2257 p
->class_version
= OPA_SMI_CLASS_VERSION
;
2259 * Expected response time is 4.096 usec. * 2^18 == 1.073741824 sec.
2261 p
->cap_mask2_resp_time
= cpu_to_be32(18);
2264 *resp_len
+= sizeof(*p
);
2266 return reply((struct ib_mad_hdr
*)pmp
);
2269 static void a0_portstatus(struct hfi1_pportdata
*ppd
,
2270 struct opa_port_status_rsp
*rsp
, u32 vl_select_mask
)
2272 if (!is_bx(ppd
->dd
)) {
2275 u64 max_vl_xmit_wait
= 0, tmp
;
2276 u32 vl_all_mask
= VL_MASK_ALL
;
2277 u64 rcv_data
, rcv_bubble
;
2279 rcv_data
= be64_to_cpu(rsp
->port_rcv_data
);
2280 rcv_bubble
= be64_to_cpu(rsp
->port_rcv_bubble
);
2281 /* In the measured time period, calculate the total number
2282 * of flits that were received. Subtract out one false
2283 * rcv_bubble increment for every 32 received flits but
2284 * don't let the number go negative.
2286 if (rcv_bubble
>= (rcv_data
>>5)) {
2287 rcv_bubble
-= (rcv_data
>>5);
2288 rsp
->port_rcv_bubble
= cpu_to_be64(rcv_bubble
);
2290 for_each_set_bit(vl
, (unsigned long *)&(vl_select_mask
),
2291 8 * sizeof(vl_select_mask
)) {
2292 rcv_data
= be64_to_cpu(rsp
->vls
[vfi
].port_vl_rcv_data
);
2294 be64_to_cpu(rsp
->vls
[vfi
].port_vl_rcv_bubble
);
2295 if (rcv_bubble
>= (rcv_data
>>5)) {
2296 rcv_bubble
-= (rcv_data
>>5);
2297 rsp
->vls
[vfi
].port_vl_rcv_bubble
=
2298 cpu_to_be64(rcv_bubble
);
2303 for_each_set_bit(vl
, (unsigned long *)&(vl_all_mask
),
2304 8 * sizeof(vl_all_mask
)) {
2305 tmp
= read_port_cntr(ppd
, C_TX_WAIT_VL
,
2307 if (tmp
> max_vl_xmit_wait
)
2308 max_vl_xmit_wait
= tmp
;
2310 rsp
->port_xmit_wait
= cpu_to_be64(max_vl_xmit_wait
);
2315 static int pma_get_opa_portstatus(struct opa_pma_mad
*pmp
,
2316 struct ib_device
*ibdev
, u8 port
, u32
*resp_len
)
2318 struct opa_port_status_req
*req
=
2319 (struct opa_port_status_req
*)pmp
->data
;
2320 struct hfi1_devdata
*dd
= dd_from_ibdev(ibdev
);
2321 struct opa_port_status_rsp
*rsp
;
2322 u32 vl_select_mask
= be32_to_cpu(req
->vl_select_mask
);
2324 size_t response_data_size
;
2325 u32 nports
= be32_to_cpu(pmp
->mad_hdr
.attr_mod
) >> 24;
2326 u8 port_num
= req
->port_num
;
2327 u8 num_vls
= hweight32(vl_select_mask
);
2328 struct _vls_pctrs
*vlinfo
;
2329 struct hfi1_ibport
*ibp
= to_iport(ibdev
, port
);
2330 struct hfi1_pportdata
*ppd
= ppd_from_ibp(ibp
);
2334 response_data_size
= sizeof(struct opa_port_status_rsp
) +
2335 num_vls
* sizeof(struct _vls_pctrs
);
2336 if (response_data_size
> sizeof(pmp
->data
)) {
2337 pmp
->mad_hdr
.status
|= OPA_PM_STATUS_REQUEST_TOO_LARGE
;
2338 return reply((struct ib_mad_hdr
*)pmp
);
2341 if (nports
!= 1 || (port_num
&& port_num
!= port
)
2342 || num_vls
> OPA_MAX_VLS
|| (vl_select_mask
& ~VL_MASK_ALL
)) {
2343 pmp
->mad_hdr
.status
|= IB_SMP_INVALID_FIELD
;
2344 return reply((struct ib_mad_hdr
*)pmp
);
2347 memset(pmp
->data
, 0, sizeof(pmp
->data
));
2349 rsp
= (struct opa_port_status_rsp
*)pmp
->data
;
2351 rsp
->port_num
= port_num
;
2353 rsp
->port_num
= port
;
2355 rsp
->port_rcv_constraint_errors
=
2356 cpu_to_be64(read_port_cntr(ppd
, C_SW_RCV_CSTR_ERR
,
2359 hfi1_read_link_quality(dd
, &rsp
->link_quality_indicator
);
2361 rsp
->vl_select_mask
= cpu_to_be32(vl_select_mask
);
2362 rsp
->port_xmit_data
= cpu_to_be64(read_dev_cntr(dd
, C_DC_XMIT_FLITS
,
2364 rsp
->port_rcv_data
= cpu_to_be64(read_dev_cntr(dd
, C_DC_RCV_FLITS
,
2366 rsp
->port_rcv_bubble
=
2367 cpu_to_be64(read_dev_cntr(dd
, C_DC_RCV_BBL
, CNTR_INVALID_VL
));
2368 rsp
->port_xmit_pkts
= cpu_to_be64(read_dev_cntr(dd
, C_DC_XMIT_PKTS
,
2370 rsp
->port_rcv_pkts
= cpu_to_be64(read_dev_cntr(dd
, C_DC_RCV_PKTS
,
2372 rsp
->port_multicast_xmit_pkts
=
2373 cpu_to_be64(read_dev_cntr(dd
, C_DC_MC_XMIT_PKTS
,
2375 rsp
->port_multicast_rcv_pkts
=
2376 cpu_to_be64(read_dev_cntr(dd
, C_DC_MC_RCV_PKTS
,
2378 rsp
->port_xmit_wait
=
2379 cpu_to_be64(read_port_cntr(ppd
, C_TX_WAIT
, CNTR_INVALID_VL
));
2380 rsp
->port_rcv_fecn
=
2381 cpu_to_be64(read_dev_cntr(dd
, C_DC_RCV_FCN
, CNTR_INVALID_VL
));
2382 rsp
->port_rcv_becn
=
2383 cpu_to_be64(read_dev_cntr(dd
, C_DC_RCV_BCN
, CNTR_INVALID_VL
));
2384 rsp
->port_xmit_discards
=
2385 cpu_to_be64(read_port_cntr(ppd
, C_SW_XMIT_DSCD
,
2387 rsp
->port_xmit_constraint_errors
=
2388 cpu_to_be64(read_port_cntr(ppd
, C_SW_XMIT_CSTR_ERR
,
2390 rsp
->port_rcv_remote_physical_errors
=
2391 cpu_to_be64(read_dev_cntr(dd
, C_DC_RMT_PHY_ERR
,
2393 tmp
= read_dev_cntr(dd
, C_DC_RX_REPLAY
, CNTR_INVALID_VL
);
2394 tmp2
= tmp
+ read_dev_cntr(dd
, C_DC_TX_REPLAY
, CNTR_INVALID_VL
);
2396 /* overflow/wrapped */
2397 rsp
->local_link_integrity_errors
= cpu_to_be64(~0);
2399 rsp
->local_link_integrity_errors
= cpu_to_be64(tmp2
);
2401 tmp
= read_dev_cntr(dd
, C_DC_SEQ_CRC_CNT
, CNTR_INVALID_VL
);
2402 tmp2
= tmp
+ read_dev_cntr(dd
, C_DC_REINIT_FROM_PEER_CNT
,
2404 if (tmp2
> (u32
)UINT_MAX
|| tmp2
< tmp
) {
2405 /* overflow/wrapped */
2406 rsp
->link_error_recovery
= cpu_to_be32(~0);
2408 rsp
->link_error_recovery
= cpu_to_be32(tmp2
);
2410 rsp
->port_rcv_errors
=
2411 cpu_to_be64(read_dev_cntr(dd
, C_DC_RCV_ERR
, CNTR_INVALID_VL
));
2412 rsp
->excessive_buffer_overruns
=
2413 cpu_to_be64(read_dev_cntr(dd
, C_RCV_OVF
, CNTR_INVALID_VL
));
2414 rsp
->fm_config_errors
=
2415 cpu_to_be64(read_dev_cntr(dd
, C_DC_FM_CFG_ERR
,
2417 rsp
->link_downed
= cpu_to_be32(read_port_cntr(ppd
, C_SW_LINK_DOWN
,
2420 /* rsp->uncorrectable_errors is 8 bits wide, and it pegs at 0xff */
2421 tmp
= read_dev_cntr(dd
, C_DC_UNC_ERR
, CNTR_INVALID_VL
);
2422 rsp
->uncorrectable_errors
= tmp
< 0x100 ? (tmp
& 0xff) : 0xff;
2424 vlinfo
= &(rsp
->vls
[0]);
2426 /* The vl_select_mask has been checked above, and we know
2427 * that it contains only entries which represent valid VLs.
2428 * So in the for_each_set_bit() loop below, we don't need
2429 * any additional checks for vl.
2431 for_each_set_bit(vl
, (unsigned long *)&(vl_select_mask
),
2432 8 * sizeof(vl_select_mask
)) {
2433 memset(vlinfo
, 0, sizeof(*vlinfo
));
2435 tmp
= read_dev_cntr(dd
, C_DC_RX_FLIT_VL
, idx_from_vl(vl
));
2436 rsp
->vls
[vfi
].port_vl_rcv_data
= cpu_to_be64(tmp
);
2437 rsp
->vls
[vfi
].port_vl_rcv_bubble
=
2438 cpu_to_be64(read_dev_cntr(dd
, C_DC_RCV_BBL_VL
,
2441 rsp
->vls
[vfi
].port_vl_rcv_pkts
=
2442 cpu_to_be64(read_dev_cntr(dd
, C_DC_RX_PKT_VL
,
2445 rsp
->vls
[vfi
].port_vl_xmit_data
=
2446 cpu_to_be64(read_port_cntr(ppd
, C_TX_FLIT_VL
,
2449 rsp
->vls
[vfi
].port_vl_xmit_pkts
=
2450 cpu_to_be64(read_port_cntr(ppd
, C_TX_PKT_VL
,
2453 rsp
->vls
[vfi
].port_vl_xmit_wait
=
2454 cpu_to_be64(read_port_cntr(ppd
, C_TX_WAIT_VL
,
2457 rsp
->vls
[vfi
].port_vl_rcv_fecn
=
2458 cpu_to_be64(read_dev_cntr(dd
, C_DC_RCV_FCN_VL
,
2461 rsp
->vls
[vfi
].port_vl_rcv_becn
=
2462 cpu_to_be64(read_dev_cntr(dd
, C_DC_RCV_BCN_VL
,
2469 a0_portstatus(ppd
, rsp
, vl_select_mask
);
2472 *resp_len
+= response_data_size
;
2474 return reply((struct ib_mad_hdr
*)pmp
);
2477 static u64
get_error_counter_summary(struct ib_device
*ibdev
, u8 port
)
2479 struct hfi1_devdata
*dd
= dd_from_ibdev(ibdev
);
2480 struct hfi1_ibport
*ibp
= to_iport(ibdev
, port
);
2481 struct hfi1_pportdata
*ppd
= ppd_from_ibp(ibp
);
2482 u64 error_counter_summary
= 0, tmp
;
2484 error_counter_summary
+= read_port_cntr(ppd
, C_SW_RCV_CSTR_ERR
,
2486 /* port_rcv_switch_relay_errors is 0 for HFIs */
2487 error_counter_summary
+= read_port_cntr(ppd
, C_SW_XMIT_DSCD
,
2489 error_counter_summary
+= read_port_cntr(ppd
, C_SW_XMIT_CSTR_ERR
,
2491 error_counter_summary
+= read_dev_cntr(dd
, C_DC_RMT_PHY_ERR
,
2493 error_counter_summary
+= read_dev_cntr(dd
, C_DC_TX_REPLAY
,
2495 error_counter_summary
+= read_dev_cntr(dd
, C_DC_RX_REPLAY
,
2497 error_counter_summary
+= read_dev_cntr(dd
, C_DC_SEQ_CRC_CNT
,
2499 error_counter_summary
+= read_dev_cntr(dd
, C_DC_REINIT_FROM_PEER_CNT
,
2501 error_counter_summary
+= read_dev_cntr(dd
, C_DC_RCV_ERR
,
2503 error_counter_summary
+= read_dev_cntr(dd
, C_RCV_OVF
, CNTR_INVALID_VL
);
2504 error_counter_summary
+= read_dev_cntr(dd
, C_DC_FM_CFG_ERR
,
2506 /* ppd->link_downed is a 32-bit value */
2507 error_counter_summary
+= read_port_cntr(ppd
, C_SW_LINK_DOWN
,
2509 tmp
= read_dev_cntr(dd
, C_DC_UNC_ERR
, CNTR_INVALID_VL
);
2510 /* this is an 8-bit quantity */
2511 error_counter_summary
+= tmp
< 0x100 ? (tmp
& 0xff) : 0xff;
2513 return error_counter_summary
;
2516 static void a0_datacounters(struct hfi1_devdata
*dd
, struct _port_dctrs
*rsp
,
2522 u64 rcv_data
, rcv_bubble
, sum_vl_xmit_wait
= 0;
2524 rcv_data
= be64_to_cpu(rsp
->port_rcv_data
);
2525 rcv_bubble
= be64_to_cpu(rsp
->port_rcv_bubble
);
2526 /* In the measured time period, calculate the total number
2527 * of flits that were received. Subtract out one false
2528 * rcv_bubble increment for every 32 received flits but
2529 * don't let the number go negative.
2531 if (rcv_bubble
>= (rcv_data
>>5)) {
2532 rcv_bubble
-= (rcv_data
>>5);
2533 rsp
->port_rcv_bubble
= cpu_to_be64(rcv_bubble
);
2535 for_each_set_bit(vl
, (unsigned long *)&(vl_select_mask
),
2536 8 * sizeof(vl_select_mask
)) {
2537 rcv_data
= be64_to_cpu(rsp
->vls
[vfi
].port_vl_rcv_data
);
2539 be64_to_cpu(rsp
->vls
[vfi
].port_vl_rcv_bubble
);
2540 if (rcv_bubble
>= (rcv_data
>>5)) {
2541 rcv_bubble
-= (rcv_data
>>5);
2542 rsp
->vls
[vfi
].port_vl_rcv_bubble
=
2543 cpu_to_be64(rcv_bubble
);
2548 for_each_set_bit(vl
, (unsigned long *)&(vl_select_mask
),
2549 8 * sizeof(vl_select_mask
)) {
2550 u64 tmp
= sum_vl_xmit_wait
+
2551 be64_to_cpu(rsp
->vls
[vfi
++].port_vl_xmit_wait
);
2552 if (tmp
< sum_vl_xmit_wait
) {
2554 sum_vl_xmit_wait
= (u64
) ~0;
2557 sum_vl_xmit_wait
= tmp
;
2559 if (be64_to_cpu(rsp
->port_xmit_wait
) > sum_vl_xmit_wait
)
2560 rsp
->port_xmit_wait
= cpu_to_be64(sum_vl_xmit_wait
);
2564 static int pma_get_opa_datacounters(struct opa_pma_mad
*pmp
,
2565 struct ib_device
*ibdev
, u8 port
, u32
*resp_len
)
2567 struct opa_port_data_counters_msg
*req
=
2568 (struct opa_port_data_counters_msg
*)pmp
->data
;
2569 struct hfi1_devdata
*dd
= dd_from_ibdev(ibdev
);
2570 struct hfi1_ibport
*ibp
= to_iport(ibdev
, port
);
2571 struct hfi1_pportdata
*ppd
= ppd_from_ibp(ibp
);
2572 struct _port_dctrs
*rsp
;
2573 struct _vls_dctrs
*vlinfo
;
2574 size_t response_data_size
;
2579 unsigned long port_num
;
2584 num_ports
= be32_to_cpu(pmp
->mad_hdr
.attr_mod
) >> 24;
2585 num_pslm
= hweight64(be64_to_cpu(req
->port_select_mask
[3]));
2586 num_vls
= hweight32(be32_to_cpu(req
->vl_select_mask
));
2587 vl_select_mask
= be32_to_cpu(req
->vl_select_mask
);
2589 if (num_ports
!= 1 || (vl_select_mask
& ~VL_MASK_ALL
)) {
2590 pmp
->mad_hdr
.status
|= IB_SMP_INVALID_FIELD
;
2591 return reply((struct ib_mad_hdr
*)pmp
);
2595 response_data_size
= sizeof(struct opa_port_data_counters_msg
) +
2596 num_vls
* sizeof(struct _vls_dctrs
);
2598 if (response_data_size
> sizeof(pmp
->data
)) {
2599 pmp
->mad_hdr
.status
|= IB_SMP_INVALID_FIELD
;
2600 return reply((struct ib_mad_hdr
*)pmp
);
2604 * The bit set in the mask needs to be consistent with the
2605 * port the request came in on.
2607 port_mask
= be64_to_cpu(req
->port_select_mask
[3]);
2608 port_num
= find_first_bit((unsigned long *)&port_mask
,
2611 if ((u8
)port_num
!= port
) {
2612 pmp
->mad_hdr
.status
|= IB_SMP_INVALID_FIELD
;
2613 return reply((struct ib_mad_hdr
*)pmp
);
2616 rsp
= (struct _port_dctrs
*)&(req
->port
[0]);
2617 memset(rsp
, 0, sizeof(*rsp
));
2619 rsp
->port_number
= port
;
2621 * Note that link_quality_indicator is a 32 bit quantity in
2622 * 'datacounters' queries (as opposed to 'portinfo' queries,
2623 * where it's a byte).
2625 hfi1_read_link_quality(dd
, &lq
);
2626 rsp
->link_quality_indicator
= cpu_to_be32((u32
)lq
);
2628 /* rsp->sw_port_congestion is 0 for HFIs */
2629 /* rsp->port_xmit_time_cong is 0 for HFIs */
2630 /* rsp->port_xmit_wasted_bw ??? */
2631 /* rsp->port_xmit_wait_data ??? */
2632 /* rsp->port_mark_fecn is 0 for HFIs */
2634 rsp
->port_xmit_data
= cpu_to_be64(read_dev_cntr(dd
, C_DC_XMIT_FLITS
,
2636 rsp
->port_rcv_data
= cpu_to_be64(read_dev_cntr(dd
, C_DC_RCV_FLITS
,
2638 rsp
->port_rcv_bubble
=
2639 cpu_to_be64(read_dev_cntr(dd
, C_DC_RCV_BBL
, CNTR_INVALID_VL
));
2640 rsp
->port_xmit_pkts
= cpu_to_be64(read_dev_cntr(dd
, C_DC_XMIT_PKTS
,
2642 rsp
->port_rcv_pkts
= cpu_to_be64(read_dev_cntr(dd
, C_DC_RCV_PKTS
,
2644 rsp
->port_multicast_xmit_pkts
=
2645 cpu_to_be64(read_dev_cntr(dd
, C_DC_MC_XMIT_PKTS
,
2647 rsp
->port_multicast_rcv_pkts
=
2648 cpu_to_be64(read_dev_cntr(dd
, C_DC_MC_RCV_PKTS
,
2650 rsp
->port_xmit_wait
=
2651 cpu_to_be64(read_port_cntr(ppd
, C_TX_WAIT
, CNTR_INVALID_VL
));
2652 rsp
->port_rcv_fecn
=
2653 cpu_to_be64(read_dev_cntr(dd
, C_DC_RCV_FCN
, CNTR_INVALID_VL
));
2654 rsp
->port_rcv_becn
=
2655 cpu_to_be64(read_dev_cntr(dd
, C_DC_RCV_BCN
, CNTR_INVALID_VL
));
2657 rsp
->port_error_counter_summary
=
2658 cpu_to_be64(get_error_counter_summary(ibdev
, port
));
2660 vlinfo
= &(rsp
->vls
[0]);
2662 /* The vl_select_mask has been checked above, and we know
2663 * that it contains only entries which represent valid VLs.
2664 * So in the for_each_set_bit() loop below, we don't need
2665 * any additional checks for vl.
2667 for_each_set_bit(vl
, (unsigned long *)&(vl_select_mask
),
2668 8 * sizeof(req
->vl_select_mask
)) {
2669 memset(vlinfo
, 0, sizeof(*vlinfo
));
2671 rsp
->vls
[vfi
].port_vl_xmit_data
=
2672 cpu_to_be64(read_port_cntr(ppd
, C_TX_FLIT_VL
,
2675 rsp
->vls
[vfi
].port_vl_rcv_data
=
2676 cpu_to_be64(read_dev_cntr(dd
, C_DC_RX_FLIT_VL
,
2678 rsp
->vls
[vfi
].port_vl_rcv_bubble
=
2679 cpu_to_be64(read_dev_cntr(dd
, C_DC_RCV_BBL_VL
,
2682 rsp
->vls
[vfi
].port_vl_xmit_pkts
=
2683 cpu_to_be64(read_port_cntr(ppd
, C_TX_PKT_VL
,
2686 rsp
->vls
[vfi
].port_vl_rcv_pkts
=
2687 cpu_to_be64(read_dev_cntr(dd
, C_DC_RX_PKT_VL
,
2690 rsp
->vls
[vfi
].port_vl_xmit_wait
=
2691 cpu_to_be64(read_port_cntr(ppd
, C_TX_WAIT_VL
,
2694 rsp
->vls
[vfi
].port_vl_rcv_fecn
=
2695 cpu_to_be64(read_dev_cntr(dd
, C_DC_RCV_FCN_VL
,
2697 rsp
->vls
[vfi
].port_vl_rcv_becn
=
2698 cpu_to_be64(read_dev_cntr(dd
, C_DC_RCV_BCN_VL
,
2701 /* rsp->port_vl_xmit_time_cong is 0 for HFIs */
2702 /* rsp->port_vl_xmit_wasted_bw ??? */
2703 /* port_vl_xmit_wait_data - TXE (table 13-9 HFI spec) ???
2704 * does this differ from rsp->vls[vfi].port_vl_xmit_wait */
2705 /*rsp->vls[vfi].port_vl_mark_fecn =
2706 cpu_to_be64(read_csr(dd, DCC_PRF_PORT_VL_MARK_FECN_CNT
2713 a0_datacounters(dd
, rsp
, vl_select_mask
);
2716 *resp_len
+= response_data_size
;
2718 return reply((struct ib_mad_hdr
*)pmp
);
2721 static int pma_get_opa_porterrors(struct opa_pma_mad
*pmp
,
2722 struct ib_device
*ibdev
, u8 port
, u32
*resp_len
)
2724 size_t response_data_size
;
2725 struct _port_ectrs
*rsp
;
2726 unsigned long port_num
;
2727 struct opa_port_error_counters64_msg
*req
;
2728 struct hfi1_devdata
*dd
= dd_from_ibdev(ibdev
);
2732 struct hfi1_ibport
*ibp
;
2733 struct hfi1_pportdata
*ppd
;
2734 struct _vls_ectrs
*vlinfo
;
2736 u64 port_mask
, tmp
, tmp2
;
2740 req
= (struct opa_port_error_counters64_msg
*)pmp
->data
;
2742 num_ports
= be32_to_cpu(pmp
->mad_hdr
.attr_mod
) >> 24;
2744 num_pslm
= hweight64(be64_to_cpu(req
->port_select_mask
[3]));
2745 num_vls
= hweight32(be32_to_cpu(req
->vl_select_mask
));
2747 if (num_ports
!= 1 || num_ports
!= num_pslm
) {
2748 pmp
->mad_hdr
.status
|= IB_SMP_INVALID_FIELD
;
2749 return reply((struct ib_mad_hdr
*)pmp
);
2752 response_data_size
= sizeof(struct opa_port_error_counters64_msg
) +
2753 num_vls
* sizeof(struct _vls_ectrs
);
2755 if (response_data_size
> sizeof(pmp
->data
)) {
2756 pmp
->mad_hdr
.status
|= IB_SMP_INVALID_FIELD
;
2757 return reply((struct ib_mad_hdr
*)pmp
);
2760 * The bit set in the mask needs to be consistent with the
2761 * port the request came in on.
2763 port_mask
= be64_to_cpu(req
->port_select_mask
[3]);
2764 port_num
= find_first_bit((unsigned long *)&port_mask
,
2767 if ((u8
)port_num
!= port
) {
2768 pmp
->mad_hdr
.status
|= IB_SMP_INVALID_FIELD
;
2769 return reply((struct ib_mad_hdr
*)pmp
);
2772 rsp
= (struct _port_ectrs
*)&(req
->port
[0]);
2774 ibp
= to_iport(ibdev
, port_num
);
2775 ppd
= ppd_from_ibp(ibp
);
2777 memset(rsp
, 0, sizeof(*rsp
));
2778 rsp
->port_number
= (u8
)port_num
;
2780 rsp
->port_rcv_constraint_errors
=
2781 cpu_to_be64(read_port_cntr(ppd
, C_SW_RCV_CSTR_ERR
,
2783 /* port_rcv_switch_relay_errors is 0 for HFIs */
2784 rsp
->port_xmit_discards
=
2785 cpu_to_be64(read_port_cntr(ppd
, C_SW_XMIT_DSCD
,
2787 rsp
->port_rcv_remote_physical_errors
=
2788 cpu_to_be64(read_dev_cntr(dd
, C_DC_RMT_PHY_ERR
,
2790 tmp
= read_dev_cntr(dd
, C_DC_RX_REPLAY
, CNTR_INVALID_VL
);
2791 tmp2
= tmp
+ read_dev_cntr(dd
, C_DC_TX_REPLAY
, CNTR_INVALID_VL
);
2793 /* overflow/wrapped */
2794 rsp
->local_link_integrity_errors
= cpu_to_be64(~0);
2796 rsp
->local_link_integrity_errors
= cpu_to_be64(tmp2
);
2798 tmp
= read_dev_cntr(dd
, C_DC_SEQ_CRC_CNT
, CNTR_INVALID_VL
);
2799 tmp2
= tmp
+ read_dev_cntr(dd
, C_DC_REINIT_FROM_PEER_CNT
,
2801 if (tmp2
> (u32
)UINT_MAX
|| tmp2
< tmp
) {
2802 /* overflow/wrapped */
2803 rsp
->link_error_recovery
= cpu_to_be32(~0);
2805 rsp
->link_error_recovery
= cpu_to_be32(tmp2
);
2807 rsp
->port_xmit_constraint_errors
=
2808 cpu_to_be64(read_port_cntr(ppd
, C_SW_XMIT_CSTR_ERR
,
2810 rsp
->excessive_buffer_overruns
=
2811 cpu_to_be64(read_dev_cntr(dd
, C_RCV_OVF
, CNTR_INVALID_VL
));
2812 rsp
->fm_config_errors
=
2813 cpu_to_be64(read_dev_cntr(dd
, C_DC_FM_CFG_ERR
,
2815 rsp
->link_downed
= cpu_to_be32(read_port_cntr(ppd
, C_SW_LINK_DOWN
,
2817 tmp
= read_dev_cntr(dd
, C_DC_UNC_ERR
, CNTR_INVALID_VL
);
2818 rsp
->uncorrectable_errors
= tmp
< 0x100 ? (tmp
& 0xff) : 0xff;
2820 vlinfo
= (struct _vls_ectrs
*)&(rsp
->vls
[0]);
2822 vl_select_mask
= be32_to_cpu(req
->vl_select_mask
);
2823 for_each_set_bit(vl
, (unsigned long *)&(vl_select_mask
),
2824 8 * sizeof(req
->vl_select_mask
)) {
2825 memset(vlinfo
, 0, sizeof(*vlinfo
));
2826 /* vlinfo->vls[vfi].port_vl_xmit_discards ??? */
2832 *resp_len
+= response_data_size
;
2834 return reply((struct ib_mad_hdr
*)pmp
);
2837 static int pma_get_opa_errorinfo(struct opa_pma_mad
*pmp
,
2838 struct ib_device
*ibdev
, u8 port
, u32
*resp_len
)
2840 size_t response_data_size
;
2841 struct _port_ei
*rsp
;
2842 struct opa_port_error_info_msg
*req
;
2843 struct hfi1_devdata
*dd
= dd_from_ibdev(ibdev
);
2846 unsigned long port_num
;
2850 req
= (struct opa_port_error_info_msg
*)pmp
->data
;
2851 rsp
= (struct _port_ei
*)&(req
->port
[0]);
2853 num_ports
= OPA_AM_NPORT(be32_to_cpu(pmp
->mad_hdr
.attr_mod
));
2854 num_pslm
= hweight64(be64_to_cpu(req
->port_select_mask
[3]));
2856 memset(rsp
, 0, sizeof(*rsp
));
2858 if (num_ports
!= 1 || num_ports
!= num_pslm
) {
2859 pmp
->mad_hdr
.status
|= IB_SMP_INVALID_FIELD
;
2860 return reply((struct ib_mad_hdr
*)pmp
);
2864 response_data_size
= sizeof(struct opa_port_error_info_msg
);
2866 if (response_data_size
> sizeof(pmp
->data
)) {
2867 pmp
->mad_hdr
.status
|= IB_SMP_INVALID_FIELD
;
2868 return reply((struct ib_mad_hdr
*)pmp
);
2872 * The bit set in the mask needs to be consistent with the port
2873 * the request came in on.
2875 port_mask
= be64_to_cpu(req
->port_select_mask
[3]);
2876 port_num
= find_first_bit((unsigned long *)&port_mask
,
2879 if ((u8
)port_num
!= port
) {
2880 pmp
->mad_hdr
.status
|= IB_SMP_INVALID_FIELD
;
2881 return reply((struct ib_mad_hdr
*)pmp
);
2884 /* PortRcvErrorInfo */
2885 rsp
->port_rcv_ei
.status_and_code
=
2886 dd
->err_info_rcvport
.status_and_code
;
2887 memcpy(&rsp
->port_rcv_ei
.ei
.ei1to12
.packet_flit1
,
2888 &dd
->err_info_rcvport
.packet_flit1
, sizeof(u64
));
2889 memcpy(&rsp
->port_rcv_ei
.ei
.ei1to12
.packet_flit2
,
2890 &dd
->err_info_rcvport
.packet_flit2
, sizeof(u64
));
2892 /* ExcessiverBufferOverrunInfo */
2893 reg
= read_csr(dd
, RCV_ERR_INFO
);
2894 if (reg
& RCV_ERR_INFO_RCV_EXCESS_BUFFER_OVERRUN_SMASK
) {
2895 /* if the RcvExcessBufferOverrun bit is set, save SC of
2896 * first pkt that encountered an excess buffer overrun */
2899 tmp
&= RCV_ERR_INFO_RCV_EXCESS_BUFFER_OVERRUN_SC_SMASK
;
2901 rsp
->excessive_buffer_overrun_ei
.status_and_sc
= tmp
;
2902 /* set the status bit */
2903 rsp
->excessive_buffer_overrun_ei
.status_and_sc
|= 0x80;
2906 rsp
->port_xmit_constraint_ei
.status
=
2907 dd
->err_info_xmit_constraint
.status
;
2908 rsp
->port_xmit_constraint_ei
.pkey
=
2909 cpu_to_be16(dd
->err_info_xmit_constraint
.pkey
);
2910 rsp
->port_xmit_constraint_ei
.slid
=
2911 cpu_to_be32(dd
->err_info_xmit_constraint
.slid
);
2913 rsp
->port_rcv_constraint_ei
.status
=
2914 dd
->err_info_rcv_constraint
.status
;
2915 rsp
->port_rcv_constraint_ei
.pkey
=
2916 cpu_to_be16(dd
->err_info_rcv_constraint
.pkey
);
2917 rsp
->port_rcv_constraint_ei
.slid
=
2918 cpu_to_be32(dd
->err_info_rcv_constraint
.slid
);
2920 /* UncorrectableErrorInfo */
2921 rsp
->uncorrectable_ei
.status_and_code
= dd
->err_info_uncorrectable
;
2923 /* FMConfigErrorInfo */
2924 rsp
->fm_config_ei
.status_and_code
= dd
->err_info_fmconfig
;
2927 *resp_len
+= response_data_size
;
2929 return reply((struct ib_mad_hdr
*)pmp
);
2932 static int pma_set_opa_portstatus(struct opa_pma_mad
*pmp
,
2933 struct ib_device
*ibdev
, u8 port
, u32
*resp_len
)
2935 struct opa_clear_port_status
*req
=
2936 (struct opa_clear_port_status
*)pmp
->data
;
2937 struct hfi1_devdata
*dd
= dd_from_ibdev(ibdev
);
2938 struct hfi1_ibport
*ibp
= to_iport(ibdev
, port
);
2939 struct hfi1_pportdata
*ppd
= ppd_from_ibp(ibp
);
2940 u32 nports
= be32_to_cpu(pmp
->mad_hdr
.attr_mod
) >> 24;
2941 u64 portn
= be64_to_cpu(req
->port_select_mask
[3]);
2942 u32 counter_select
= be32_to_cpu(req
->counter_select_mask
);
2943 u32 vl_select_mask
= VL_MASK_ALL
; /* clear all per-vl cnts */
2946 if ((nports
!= 1) || (portn
!= 1 << port
)) {
2947 pmp
->mad_hdr
.status
|= IB_SMP_INVALID_FIELD
;
2948 return reply((struct ib_mad_hdr
*)pmp
);
2951 * only counters returned by pma_get_opa_portstatus() are
2952 * handled, so when pma_get_opa_portstatus() gets a fix,
2953 * the corresponding change should be made here as well.
2956 if (counter_select
& CS_PORT_XMIT_DATA
)
2957 write_dev_cntr(dd
, C_DC_XMIT_FLITS
, CNTR_INVALID_VL
, 0);
2959 if (counter_select
& CS_PORT_RCV_DATA
)
2960 write_dev_cntr(dd
, C_DC_RCV_FLITS
, CNTR_INVALID_VL
, 0);
2962 if (counter_select
& CS_PORT_XMIT_PKTS
)
2963 write_dev_cntr(dd
, C_DC_XMIT_PKTS
, CNTR_INVALID_VL
, 0);
2965 if (counter_select
& CS_PORT_RCV_PKTS
)
2966 write_dev_cntr(dd
, C_DC_RCV_PKTS
, CNTR_INVALID_VL
, 0);
2968 if (counter_select
& CS_PORT_MCAST_XMIT_PKTS
)
2969 write_dev_cntr(dd
, C_DC_MC_XMIT_PKTS
, CNTR_INVALID_VL
, 0);
2971 if (counter_select
& CS_PORT_MCAST_RCV_PKTS
)
2972 write_dev_cntr(dd
, C_DC_MC_RCV_PKTS
, CNTR_INVALID_VL
, 0);
2974 if (counter_select
& CS_PORT_XMIT_WAIT
)
2975 write_port_cntr(ppd
, C_TX_WAIT
, CNTR_INVALID_VL
, 0);
2977 /* ignore cs_sw_portCongestion for HFIs */
2979 if (counter_select
& CS_PORT_RCV_FECN
)
2980 write_dev_cntr(dd
, C_DC_RCV_FCN
, CNTR_INVALID_VL
, 0);
2982 if (counter_select
& CS_PORT_RCV_BECN
)
2983 write_dev_cntr(dd
, C_DC_RCV_BCN
, CNTR_INVALID_VL
, 0);
2985 /* ignore cs_port_xmit_time_cong for HFIs */
2986 /* ignore cs_port_xmit_wasted_bw for now */
2987 /* ignore cs_port_xmit_wait_data for now */
2988 if (counter_select
& CS_PORT_RCV_BUBBLE
)
2989 write_dev_cntr(dd
, C_DC_RCV_BBL
, CNTR_INVALID_VL
, 0);
2991 /* Only applicable for switch */
2992 /*if (counter_select & CS_PORT_MARK_FECN)
2993 write_csr(dd, DCC_PRF_PORT_MARK_FECN_CNT, 0);*/
2995 if (counter_select
& CS_PORT_RCV_CONSTRAINT_ERRORS
)
2996 write_port_cntr(ppd
, C_SW_RCV_CSTR_ERR
, CNTR_INVALID_VL
, 0);
2998 /* ignore cs_port_rcv_switch_relay_errors for HFIs */
2999 if (counter_select
& CS_PORT_XMIT_DISCARDS
)
3000 write_port_cntr(ppd
, C_SW_XMIT_DSCD
, CNTR_INVALID_VL
, 0);
3002 if (counter_select
& CS_PORT_XMIT_CONSTRAINT_ERRORS
)
3003 write_port_cntr(ppd
, C_SW_XMIT_CSTR_ERR
, CNTR_INVALID_VL
, 0);
3005 if (counter_select
& CS_PORT_RCV_REMOTE_PHYSICAL_ERRORS
)
3006 write_dev_cntr(dd
, C_DC_RMT_PHY_ERR
, CNTR_INVALID_VL
, 0);
3008 if (counter_select
& CS_LOCAL_LINK_INTEGRITY_ERRORS
) {
3009 write_dev_cntr(dd
, C_DC_TX_REPLAY
, CNTR_INVALID_VL
, 0);
3010 write_dev_cntr(dd
, C_DC_RX_REPLAY
, CNTR_INVALID_VL
, 0);
3013 if (counter_select
& CS_LINK_ERROR_RECOVERY
) {
3014 write_dev_cntr(dd
, C_DC_SEQ_CRC_CNT
, CNTR_INVALID_VL
, 0);
3015 write_dev_cntr(dd
, C_DC_REINIT_FROM_PEER_CNT
,
3016 CNTR_INVALID_VL
, 0);
3019 if (counter_select
& CS_PORT_RCV_ERRORS
)
3020 write_dev_cntr(dd
, C_DC_RCV_ERR
, CNTR_INVALID_VL
, 0);
3022 if (counter_select
& CS_EXCESSIVE_BUFFER_OVERRUNS
) {
3023 write_dev_cntr(dd
, C_RCV_OVF
, CNTR_INVALID_VL
, 0);
3024 dd
->rcv_ovfl_cnt
= 0;
3027 if (counter_select
& CS_FM_CONFIG_ERRORS
)
3028 write_dev_cntr(dd
, C_DC_FM_CFG_ERR
, CNTR_INVALID_VL
, 0);
3030 if (counter_select
& CS_LINK_DOWNED
)
3031 write_port_cntr(ppd
, C_SW_LINK_DOWN
, CNTR_INVALID_VL
, 0);
3033 if (counter_select
& CS_UNCORRECTABLE_ERRORS
)
3034 write_dev_cntr(dd
, C_DC_UNC_ERR
, CNTR_INVALID_VL
, 0);
3036 for_each_set_bit(vl
, (unsigned long *)&(vl_select_mask
),
3037 8 * sizeof(vl_select_mask
)) {
3039 if (counter_select
& CS_PORT_XMIT_DATA
)
3040 write_port_cntr(ppd
, C_TX_FLIT_VL
, idx_from_vl(vl
), 0);
3042 if (counter_select
& CS_PORT_RCV_DATA
)
3043 write_dev_cntr(dd
, C_DC_RX_FLIT_VL
, idx_from_vl(vl
), 0);
3045 if (counter_select
& CS_PORT_XMIT_PKTS
)
3046 write_port_cntr(ppd
, C_TX_PKT_VL
, idx_from_vl(vl
), 0);
3048 if (counter_select
& CS_PORT_RCV_PKTS
)
3049 write_dev_cntr(dd
, C_DC_RX_PKT_VL
, idx_from_vl(vl
), 0);
3051 if (counter_select
& CS_PORT_XMIT_WAIT
)
3052 write_port_cntr(ppd
, C_TX_WAIT_VL
, idx_from_vl(vl
), 0);
3054 /* sw_port_vl_congestion is 0 for HFIs */
3055 if (counter_select
& CS_PORT_RCV_FECN
)
3056 write_dev_cntr(dd
, C_DC_RCV_FCN_VL
, idx_from_vl(vl
), 0);
3058 if (counter_select
& CS_PORT_RCV_BECN
)
3059 write_dev_cntr(dd
, C_DC_RCV_BCN_VL
, idx_from_vl(vl
), 0);
3061 /* port_vl_xmit_time_cong is 0 for HFIs */
3062 /* port_vl_xmit_wasted_bw ??? */
3063 /* port_vl_xmit_wait_data - TXE (table 13-9 HFI spec) ??? */
3064 if (counter_select
& CS_PORT_RCV_BUBBLE
)
3065 write_dev_cntr(dd
, C_DC_RCV_BBL_VL
, idx_from_vl(vl
), 0);
3067 /*if (counter_select & CS_PORT_MARK_FECN)
3068 write_csr(dd, DCC_PRF_PORT_VL_MARK_FECN_CNT + offset, 0);
3070 /* port_vl_xmit_discards ??? */
3074 *resp_len
+= sizeof(*req
);
3076 return reply((struct ib_mad_hdr
*)pmp
);
3079 static int pma_set_opa_errorinfo(struct opa_pma_mad
*pmp
,
3080 struct ib_device
*ibdev
, u8 port
, u32
*resp_len
)
3082 struct _port_ei
*rsp
;
3083 struct opa_port_error_info_msg
*req
;
3084 struct hfi1_devdata
*dd
= dd_from_ibdev(ibdev
);
3087 unsigned long port_num
;
3089 u32 error_info_select
;
3091 req
= (struct opa_port_error_info_msg
*)pmp
->data
;
3092 rsp
= (struct _port_ei
*)&(req
->port
[0]);
3094 num_ports
= OPA_AM_NPORT(be32_to_cpu(pmp
->mad_hdr
.attr_mod
));
3095 num_pslm
= hweight64(be64_to_cpu(req
->port_select_mask
[3]));
3097 memset(rsp
, 0, sizeof(*rsp
));
3099 if (num_ports
!= 1 || num_ports
!= num_pslm
) {
3100 pmp
->mad_hdr
.status
|= IB_SMP_INVALID_FIELD
;
3101 return reply((struct ib_mad_hdr
*)pmp
);
3105 * The bit set in the mask needs to be consistent with the port
3106 * the request came in on.
3108 port_mask
= be64_to_cpu(req
->port_select_mask
[3]);
3109 port_num
= find_first_bit((unsigned long *)&port_mask
,
3112 if ((u8
)port_num
!= port
) {
3113 pmp
->mad_hdr
.status
|= IB_SMP_INVALID_FIELD
;
3114 return reply((struct ib_mad_hdr
*)pmp
);
3117 error_info_select
= be32_to_cpu(req
->error_info_select_mask
);
3119 /* PortRcvErrorInfo */
3120 if (error_info_select
& ES_PORT_RCV_ERROR_INFO
)
3121 /* turn off status bit */
3122 dd
->err_info_rcvport
.status_and_code
&= ~OPA_EI_STATUS_SMASK
;
3124 /* ExcessiverBufferOverrunInfo */
3125 if (error_info_select
& ES_EXCESSIVE_BUFFER_OVERRUN_INFO
)
3126 /* status bit is essentially kept in the h/w - bit 5 of
3128 write_csr(dd
, RCV_ERR_INFO
,
3129 RCV_ERR_INFO_RCV_EXCESS_BUFFER_OVERRUN_SMASK
);
3131 if (error_info_select
& ES_PORT_XMIT_CONSTRAINT_ERROR_INFO
)
3132 dd
->err_info_xmit_constraint
.status
&= ~OPA_EI_STATUS_SMASK
;
3134 if (error_info_select
& ES_PORT_RCV_CONSTRAINT_ERROR_INFO
)
3135 dd
->err_info_rcv_constraint
.status
&= ~OPA_EI_STATUS_SMASK
;
3137 /* UncorrectableErrorInfo */
3138 if (error_info_select
& ES_UNCORRECTABLE_ERROR_INFO
)
3139 /* turn off status bit */
3140 dd
->err_info_uncorrectable
&= ~OPA_EI_STATUS_SMASK
;
3142 /* FMConfigErrorInfo */
3143 if (error_info_select
& ES_FM_CONFIG_ERROR_INFO
)
3144 /* turn off status bit */
3145 dd
->err_info_fmconfig
&= ~OPA_EI_STATUS_SMASK
;
3148 *resp_len
+= sizeof(*req
);
3150 return reply((struct ib_mad_hdr
*)pmp
);
3153 struct opa_congestion_info_attr
{
3154 __be16 congestion_info
;
3155 u8 control_table_cap
; /* Multiple of 64 entry unit CCTs */
3156 u8 congestion_log_length
;
3159 static int __subn_get_opa_cong_info(struct opa_smp
*smp
, u32 am
, u8
*data
,
3160 struct ib_device
*ibdev
, u8 port
,
3163 struct opa_congestion_info_attr
*p
=
3164 (struct opa_congestion_info_attr
*)data
;
3165 struct hfi1_ibport
*ibp
= to_iport(ibdev
, port
);
3166 struct hfi1_pportdata
*ppd
= ppd_from_ibp(ibp
);
3168 p
->congestion_info
= 0;
3169 p
->control_table_cap
= ppd
->cc_max_table_entries
;
3170 p
->congestion_log_length
= OPA_CONG_LOG_ELEMS
;
3173 *resp_len
+= sizeof(*p
);
3175 return reply((struct ib_mad_hdr
*)smp
);
3178 static int __subn_get_opa_cong_setting(struct opa_smp
*smp
, u32 am
,
3180 struct ib_device
*ibdev
,
3181 u8 port
, u32
*resp_len
)
3184 struct opa_congestion_setting_attr
*p
=
3185 (struct opa_congestion_setting_attr
*) data
;
3186 struct hfi1_ibport
*ibp
= to_iport(ibdev
, port
);
3187 struct hfi1_pportdata
*ppd
= ppd_from_ibp(ibp
);
3188 struct opa_congestion_setting_entry_shadow
*entries
;
3189 struct cc_state
*cc_state
;
3193 cc_state
= get_cc_state(ppd
);
3195 if (cc_state
== NULL
) {
3197 return reply((struct ib_mad_hdr
*)smp
);
3200 entries
= cc_state
->cong_setting
.entries
;
3201 p
->port_control
= cpu_to_be16(cc_state
->cong_setting
.port_control
);
3202 p
->control_map
= cpu_to_be32(cc_state
->cong_setting
.control_map
);
3203 for (i
= 0; i
< OPA_MAX_SLS
; i
++) {
3204 p
->entries
[i
].ccti_increase
= entries
[i
].ccti_increase
;
3205 p
->entries
[i
].ccti_timer
= cpu_to_be16(entries
[i
].ccti_timer
);
3206 p
->entries
[i
].trigger_threshold
=
3207 entries
[i
].trigger_threshold
;
3208 p
->entries
[i
].ccti_min
= entries
[i
].ccti_min
;
3214 *resp_len
+= sizeof(*p
);
3216 return reply((struct ib_mad_hdr
*)smp
);
3219 static int __subn_set_opa_cong_setting(struct opa_smp
*smp
, u32 am
, u8
*data
,
3220 struct ib_device
*ibdev
, u8 port
,
3223 struct opa_congestion_setting_attr
*p
=
3224 (struct opa_congestion_setting_attr
*) data
;
3225 struct hfi1_ibport
*ibp
= to_iport(ibdev
, port
);
3226 struct hfi1_pportdata
*ppd
= ppd_from_ibp(ibp
);
3227 struct opa_congestion_setting_entry_shadow
*entries
;
3230 ppd
->cc_sl_control_map
= be32_to_cpu(p
->control_map
);
3232 entries
= ppd
->congestion_entries
;
3233 for (i
= 0; i
< OPA_MAX_SLS
; i
++) {
3234 entries
[i
].ccti_increase
= p
->entries
[i
].ccti_increase
;
3235 entries
[i
].ccti_timer
= be16_to_cpu(p
->entries
[i
].ccti_timer
);
3236 entries
[i
].trigger_threshold
=
3237 p
->entries
[i
].trigger_threshold
;
3238 entries
[i
].ccti_min
= p
->entries
[i
].ccti_min
;
3241 return __subn_get_opa_cong_setting(smp
, am
, data
, ibdev
, port
,
3245 static int __subn_get_opa_hfi1_cong_log(struct opa_smp
*smp
, u32 am
,
3246 u8
*data
, struct ib_device
*ibdev
,
3247 u8 port
, u32
*resp_len
)
3249 struct hfi1_ibport
*ibp
= to_iport(ibdev
, port
);
3250 struct hfi1_pportdata
*ppd
= ppd_from_ibp(ibp
);
3251 struct opa_hfi1_cong_log
*cong_log
= (struct opa_hfi1_cong_log
*)data
;
3256 smp
->status
|= IB_SMP_INVALID_FIELD
;
3257 return reply((struct ib_mad_hdr
*)smp
);
3260 spin_lock(&ppd
->cc_log_lock
);
3262 cong_log
->log_type
= OPA_CC_LOG_TYPE_HFI
;
3263 cong_log
->congestion_flags
= 0;
3264 cong_log
->threshold_event_counter
=
3265 cpu_to_be16(ppd
->threshold_event_counter
);
3266 memcpy(cong_log
->threshold_cong_event_map
,
3267 ppd
->threshold_cong_event_map
,
3268 sizeof(cong_log
->threshold_cong_event_map
));
3269 /* keep timestamp in units of 1.024 usec */
3270 ts
= ktime_to_ns(ktime_get()) / 1024;
3271 cong_log
->current_time_stamp
= cpu_to_be32(ts
);
3272 for (i
= 0; i
< OPA_CONG_LOG_ELEMS
; i
++) {
3273 struct opa_hfi1_cong_log_event_internal
*cce
=
3274 &ppd
->cc_events
[ppd
->cc_mad_idx
++];
3275 if (ppd
->cc_mad_idx
== OPA_CONG_LOG_ELEMS
)
3276 ppd
->cc_mad_idx
= 0;
3278 * Entries which are older than twice the time
3279 * required to wrap the counter are supposed to
3280 * be zeroed (CA10-49 IBTA, release 1.2.1, V1).
3282 if ((u64
)(ts
- cce
->timestamp
) > (2 * UINT_MAX
))
3284 memcpy(cong_log
->events
[i
].local_qp_cn_entry
, &cce
->lqpn
, 3);
3285 memcpy(cong_log
->events
[i
].remote_qp_number_cn_entry
,
3287 cong_log
->events
[i
].sl_svc_type_cn_entry
=
3288 ((cce
->sl
& 0x1f) << 3) | (cce
->svc_type
& 0x7);
3289 cong_log
->events
[i
].remote_lid_cn_entry
=
3290 cpu_to_be32(cce
->rlid
);
3291 cong_log
->events
[i
].timestamp_cn_entry
=
3292 cpu_to_be32(cce
->timestamp
);
3296 * Reset threshold_cong_event_map, and threshold_event_counter
3297 * to 0 when log is read.
3299 memset(ppd
->threshold_cong_event_map
, 0x0,
3300 sizeof(ppd
->threshold_cong_event_map
));
3301 ppd
->threshold_event_counter
= 0;
3303 spin_unlock(&ppd
->cc_log_lock
);
3306 *resp_len
+= sizeof(struct opa_hfi1_cong_log
);
3308 return reply((struct ib_mad_hdr
*)smp
);
3311 static int __subn_get_opa_cc_table(struct opa_smp
*smp
, u32 am
, u8
*data
,
3312 struct ib_device
*ibdev
, u8 port
,
3315 struct ib_cc_table_attr
*cc_table_attr
=
3316 (struct ib_cc_table_attr
*) data
;
3317 struct hfi1_ibport
*ibp
= to_iport(ibdev
, port
);
3318 struct hfi1_pportdata
*ppd
= ppd_from_ibp(ibp
);
3319 u32 start_block
= OPA_AM_START_BLK(am
);
3320 u32 n_blocks
= OPA_AM_NBLK(am
);
3321 struct ib_cc_table_entry_shadow
*entries
;
3324 struct cc_state
*cc_state
;
3326 /* sanity check n_blocks, start_block */
3327 if (n_blocks
== 0 ||
3328 start_block
+ n_blocks
> ppd
->cc_max_table_entries
) {
3329 smp
->status
|= IB_SMP_INVALID_FIELD
;
3330 return reply((struct ib_mad_hdr
*)smp
);
3335 cc_state
= get_cc_state(ppd
);
3337 if (cc_state
== NULL
) {
3339 return reply((struct ib_mad_hdr
*)smp
);
3342 sentry
= start_block
* IB_CCT_ENTRIES
;
3343 eentry
= sentry
+ (IB_CCT_ENTRIES
* n_blocks
);
3345 cc_table_attr
->ccti_limit
= cpu_to_be16(cc_state
->cct
.ccti_limit
);
3347 entries
= cc_state
->cct
.entries
;
3349 /* return n_blocks, though the last block may not be full */
3350 for (j
= 0, i
= sentry
; i
< eentry
; j
++, i
++)
3351 cc_table_attr
->ccti_entries
[j
].entry
=
3352 cpu_to_be16(entries
[i
].entry
);
3357 *resp_len
+= sizeof(u16
)*(IB_CCT_ENTRIES
* n_blocks
+ 1);
3359 return reply((struct ib_mad_hdr
*)smp
);
3362 void cc_state_reclaim(struct rcu_head
*rcu
)
3364 struct cc_state
*cc_state
= container_of(rcu
, struct cc_state
, rcu
);
3369 static int __subn_set_opa_cc_table(struct opa_smp
*smp
, u32 am
, u8
*data
,
3370 struct ib_device
*ibdev
, u8 port
,
3373 struct ib_cc_table_attr
*p
= (struct ib_cc_table_attr
*) data
;
3374 struct hfi1_ibport
*ibp
= to_iport(ibdev
, port
);
3375 struct hfi1_pportdata
*ppd
= ppd_from_ibp(ibp
);
3376 u32 start_block
= OPA_AM_START_BLK(am
);
3377 u32 n_blocks
= OPA_AM_NBLK(am
);
3378 struct ib_cc_table_entry_shadow
*entries
;
3382 struct cc_state
*old_cc_state
, *new_cc_state
;
3384 /* sanity check n_blocks, start_block */
3385 if (n_blocks
== 0 ||
3386 start_block
+ n_blocks
> ppd
->cc_max_table_entries
) {
3387 smp
->status
|= IB_SMP_INVALID_FIELD
;
3388 return reply((struct ib_mad_hdr
*)smp
);
3391 sentry
= start_block
* IB_CCT_ENTRIES
;
3392 eentry
= sentry
+ ((n_blocks
- 1) * IB_CCT_ENTRIES
) +
3393 (be16_to_cpu(p
->ccti_limit
)) % IB_CCT_ENTRIES
+ 1;
3395 /* sanity check ccti_limit */
3396 ccti_limit
= be16_to_cpu(p
->ccti_limit
);
3397 if (ccti_limit
+ 1 > eentry
) {
3398 smp
->status
|= IB_SMP_INVALID_FIELD
;
3399 return reply((struct ib_mad_hdr
*)smp
);
3402 new_cc_state
= kzalloc(sizeof(*new_cc_state
), GFP_KERNEL
);
3403 if (new_cc_state
== NULL
)
3406 spin_lock(&ppd
->cc_state_lock
);
3408 old_cc_state
= get_cc_state(ppd
);
3410 if (old_cc_state
== NULL
) {
3411 spin_unlock(&ppd
->cc_state_lock
);
3412 kfree(new_cc_state
);
3413 return reply((struct ib_mad_hdr
*)smp
);
3416 *new_cc_state
= *old_cc_state
;
3418 new_cc_state
->cct
.ccti_limit
= ccti_limit
;
3420 entries
= ppd
->ccti_entries
;
3421 ppd
->total_cct_entry
= ccti_limit
+ 1;
3423 for (j
= 0, i
= sentry
; i
< eentry
; j
++, i
++)
3424 entries
[i
].entry
= be16_to_cpu(p
->ccti_entries
[j
].entry
);
3426 memcpy(new_cc_state
->cct
.entries
, entries
,
3427 eentry
* sizeof(struct ib_cc_table_entry
));
3429 new_cc_state
->cong_setting
.port_control
= IB_CC_CCS_PC_SL_BASED
;
3430 new_cc_state
->cong_setting
.control_map
= ppd
->cc_sl_control_map
;
3431 memcpy(new_cc_state
->cong_setting
.entries
, ppd
->congestion_entries
,
3432 OPA_MAX_SLS
* sizeof(struct opa_congestion_setting_entry
));
3434 rcu_assign_pointer(ppd
->cc_state
, new_cc_state
);
3436 spin_unlock(&ppd
->cc_state_lock
);
3438 call_rcu(&old_cc_state
->rcu
, cc_state_reclaim
);
3441 return __subn_get_opa_cc_table(smp
, am
, data
, ibdev
, port
, resp_len
);
3444 struct opa_led_info
{
3445 __be32 rsvd_led_mask
;
3449 #define OPA_LED_SHIFT 31
3450 #define OPA_LED_MASK (1 << OPA_LED_SHIFT)
3452 static int __subn_get_opa_led_info(struct opa_smp
*smp
, u32 am
, u8
*data
,
3453 struct ib_device
*ibdev
, u8 port
,
3456 struct hfi1_devdata
*dd
= dd_from_ibdev(ibdev
);
3457 struct opa_led_info
*p
= (struct opa_led_info
*) data
;
3458 u32 nport
= OPA_AM_NPORT(am
);
3461 if (nport
!= 1 || OPA_AM_PORTNUM(am
)) {
3462 smp
->status
|= IB_SMP_INVALID_FIELD
;
3463 return reply((struct ib_mad_hdr
*)smp
);
3466 reg
= read_csr(dd
, DCC_CFG_LED_CNTRL
);
3467 if ((reg
& DCC_CFG_LED_CNTRL_LED_CNTRL_SMASK
) &&
3468 ((reg
& DCC_CFG_LED_CNTRL_LED_SW_BLINK_RATE_SMASK
) == 0xf))
3469 p
->rsvd_led_mask
= cpu_to_be32(OPA_LED_MASK
);
3472 *resp_len
+= sizeof(struct opa_led_info
);
3474 return reply((struct ib_mad_hdr
*)smp
);
3477 static int __subn_set_opa_led_info(struct opa_smp
*smp
, u32 am
, u8
*data
,
3478 struct ib_device
*ibdev
, u8 port
,
3481 struct hfi1_devdata
*dd
= dd_from_ibdev(ibdev
);
3482 struct opa_led_info
*p
= (struct opa_led_info
*) data
;
3483 u32 nport
= OPA_AM_NPORT(am
);
3484 int on
= !!(be32_to_cpu(p
->rsvd_led_mask
) & OPA_LED_MASK
);
3486 if (nport
!= 1 || OPA_AM_PORTNUM(am
)) {
3487 smp
->status
|= IB_SMP_INVALID_FIELD
;
3488 return reply((struct ib_mad_hdr
*)smp
);
3493 return __subn_get_opa_led_info(smp
, am
, data
, ibdev
, port
, resp_len
);
3496 static int subn_get_opa_sma(__be16 attr_id
, struct opa_smp
*smp
, u32 am
,
3497 u8
*data
, struct ib_device
*ibdev
, u8 port
,
3501 struct hfi1_ibport
*ibp
= to_iport(ibdev
, port
);
3504 case IB_SMP_ATTR_NODE_DESC
:
3505 ret
= __subn_get_opa_nodedesc(smp
, am
, data
, ibdev
, port
,
3508 case IB_SMP_ATTR_NODE_INFO
:
3509 ret
= __subn_get_opa_nodeinfo(smp
, am
, data
, ibdev
, port
,
3512 case IB_SMP_ATTR_PORT_INFO
:
3513 ret
= __subn_get_opa_portinfo(smp
, am
, data
, ibdev
, port
,
3516 case IB_SMP_ATTR_PKEY_TABLE
:
3517 ret
= __subn_get_opa_pkeytable(smp
, am
, data
, ibdev
, port
,
3520 case OPA_ATTRIB_ID_SL_TO_SC_MAP
:
3521 ret
= __subn_get_opa_sl_to_sc(smp
, am
, data
, ibdev
, port
,
3524 case OPA_ATTRIB_ID_SC_TO_SL_MAP
:
3525 ret
= __subn_get_opa_sc_to_sl(smp
, am
, data
, ibdev
, port
,
3528 case OPA_ATTRIB_ID_SC_TO_VLT_MAP
:
3529 ret
= __subn_get_opa_sc_to_vlt(smp
, am
, data
, ibdev
, port
,
3532 case OPA_ATTRIB_ID_SC_TO_VLNT_MAP
:
3533 ret
= __subn_get_opa_sc_to_vlnt(smp
, am
, data
, ibdev
, port
,
3536 case OPA_ATTRIB_ID_PORT_STATE_INFO
:
3537 ret
= __subn_get_opa_psi(smp
, am
, data
, ibdev
, port
,
3540 case OPA_ATTRIB_ID_BUFFER_CONTROL_TABLE
:
3541 ret
= __subn_get_opa_bct(smp
, am
, data
, ibdev
, port
,
3544 case OPA_ATTRIB_ID_CABLE_INFO
:
3545 ret
= __subn_get_opa_cable_info(smp
, am
, data
, ibdev
, port
,
3548 case IB_SMP_ATTR_VL_ARB_TABLE
:
3549 ret
= __subn_get_opa_vl_arb(smp
, am
, data
, ibdev
, port
,
3552 case OPA_ATTRIB_ID_CONGESTION_INFO
:
3553 ret
= __subn_get_opa_cong_info(smp
, am
, data
, ibdev
, port
,
3556 case OPA_ATTRIB_ID_HFI_CONGESTION_SETTING
:
3557 ret
= __subn_get_opa_cong_setting(smp
, am
, data
, ibdev
,
3560 case OPA_ATTRIB_ID_HFI_CONGESTION_LOG
:
3561 ret
= __subn_get_opa_hfi1_cong_log(smp
, am
, data
, ibdev
,
3564 case OPA_ATTRIB_ID_CONGESTION_CONTROL_TABLE
:
3565 ret
= __subn_get_opa_cc_table(smp
, am
, data
, ibdev
, port
,
3568 case IB_SMP_ATTR_LED_INFO
:
3569 ret
= __subn_get_opa_led_info(smp
, am
, data
, ibdev
, port
,
3572 case IB_SMP_ATTR_SM_INFO
:
3573 if (ibp
->port_cap_flags
& IB_PORT_SM_DISABLED
)
3574 return IB_MAD_RESULT_SUCCESS
| IB_MAD_RESULT_CONSUMED
;
3575 if (ibp
->port_cap_flags
& IB_PORT_SM
)
3576 return IB_MAD_RESULT_SUCCESS
;
3579 smp
->status
|= IB_SMP_UNSUP_METH_ATTR
;
3580 ret
= reply((struct ib_mad_hdr
*)smp
);
3586 static int subn_set_opa_sma(__be16 attr_id
, struct opa_smp
*smp
, u32 am
,
3587 u8
*data
, struct ib_device
*ibdev
, u8 port
,
3591 struct hfi1_ibport
*ibp
= to_iport(ibdev
, port
);
3594 case IB_SMP_ATTR_PORT_INFO
:
3595 ret
= __subn_set_opa_portinfo(smp
, am
, data
, ibdev
, port
,
3598 case IB_SMP_ATTR_PKEY_TABLE
:
3599 ret
= __subn_set_opa_pkeytable(smp
, am
, data
, ibdev
, port
,
3602 case OPA_ATTRIB_ID_SL_TO_SC_MAP
:
3603 ret
= __subn_set_opa_sl_to_sc(smp
, am
, data
, ibdev
, port
,
3606 case OPA_ATTRIB_ID_SC_TO_SL_MAP
:
3607 ret
= __subn_set_opa_sc_to_sl(smp
, am
, data
, ibdev
, port
,
3610 case OPA_ATTRIB_ID_SC_TO_VLT_MAP
:
3611 ret
= __subn_set_opa_sc_to_vlt(smp
, am
, data
, ibdev
, port
,
3614 case OPA_ATTRIB_ID_SC_TO_VLNT_MAP
:
3615 ret
= __subn_set_opa_sc_to_vlnt(smp
, am
, data
, ibdev
, port
,
3618 case OPA_ATTRIB_ID_PORT_STATE_INFO
:
3619 ret
= __subn_set_opa_psi(smp
, am
, data
, ibdev
, port
,
3622 case OPA_ATTRIB_ID_BUFFER_CONTROL_TABLE
:
3623 ret
= __subn_set_opa_bct(smp
, am
, data
, ibdev
, port
,
3626 case IB_SMP_ATTR_VL_ARB_TABLE
:
3627 ret
= __subn_set_opa_vl_arb(smp
, am
, data
, ibdev
, port
,
3630 case OPA_ATTRIB_ID_HFI_CONGESTION_SETTING
:
3631 ret
= __subn_set_opa_cong_setting(smp
, am
, data
, ibdev
,
3634 case OPA_ATTRIB_ID_CONGESTION_CONTROL_TABLE
:
3635 ret
= __subn_set_opa_cc_table(smp
, am
, data
, ibdev
, port
,
3638 case IB_SMP_ATTR_LED_INFO
:
3639 ret
= __subn_set_opa_led_info(smp
, am
, data
, ibdev
, port
,
3642 case IB_SMP_ATTR_SM_INFO
:
3643 if (ibp
->port_cap_flags
& IB_PORT_SM_DISABLED
)
3644 return IB_MAD_RESULT_SUCCESS
| IB_MAD_RESULT_CONSUMED
;
3645 if (ibp
->port_cap_flags
& IB_PORT_SM
)
3646 return IB_MAD_RESULT_SUCCESS
;
3649 smp
->status
|= IB_SMP_UNSUP_METH_ATTR
;
3650 ret
= reply((struct ib_mad_hdr
*)smp
);
3656 static inline void set_aggr_error(struct opa_aggregate
*ag
)
3658 ag
->err_reqlength
|= cpu_to_be16(0x8000);
3661 static int subn_get_opa_aggregate(struct opa_smp
*smp
,
3662 struct ib_device
*ibdev
, u8 port
,
3666 u32 num_attr
= be32_to_cpu(smp
->attr_mod
) & 0x000000ff;
3667 u8
*next_smp
= opa_get_smp_data(smp
);
3669 if (num_attr
< 1 || num_attr
> 117) {
3670 smp
->status
|= IB_SMP_INVALID_FIELD
;
3671 return reply((struct ib_mad_hdr
*)smp
);
3674 for (i
= 0; i
< num_attr
; i
++) {
3675 struct opa_aggregate
*agg
;
3676 size_t agg_data_len
;
3680 agg
= (struct opa_aggregate
*)next_smp
;
3681 agg_data_len
= (be16_to_cpu(agg
->err_reqlength
) & 0x007f) * 8;
3682 agg_size
= sizeof(*agg
) + agg_data_len
;
3683 am
= be32_to_cpu(agg
->attr_mod
);
3685 *resp_len
+= agg_size
;
3687 if (next_smp
+ agg_size
> ((u8
*)smp
) + sizeof(*smp
)) {
3688 smp
->status
|= IB_SMP_INVALID_FIELD
;
3689 return reply((struct ib_mad_hdr
*)smp
);
3692 /* zero the payload for this segment */
3693 memset(next_smp
+ sizeof(*agg
), 0, agg_data_len
);
3695 (void) subn_get_opa_sma(agg
->attr_id
, smp
, am
, agg
->data
,
3697 if (smp
->status
& ~IB_SMP_DIRECTION
) {
3698 set_aggr_error(agg
);
3699 return reply((struct ib_mad_hdr
*)smp
);
3701 next_smp
+= agg_size
;
3705 return reply((struct ib_mad_hdr
*)smp
);
3708 static int subn_set_opa_aggregate(struct opa_smp
*smp
,
3709 struct ib_device
*ibdev
, u8 port
,
3713 u32 num_attr
= be32_to_cpu(smp
->attr_mod
) & 0x000000ff;
3714 u8
*next_smp
= opa_get_smp_data(smp
);
3716 if (num_attr
< 1 || num_attr
> 117) {
3717 smp
->status
|= IB_SMP_INVALID_FIELD
;
3718 return reply((struct ib_mad_hdr
*)smp
);
3721 for (i
= 0; i
< num_attr
; i
++) {
3722 struct opa_aggregate
*agg
;
3723 size_t agg_data_len
;
3727 agg
= (struct opa_aggregate
*)next_smp
;
3728 agg_data_len
= (be16_to_cpu(agg
->err_reqlength
) & 0x007f) * 8;
3729 agg_size
= sizeof(*agg
) + agg_data_len
;
3730 am
= be32_to_cpu(agg
->attr_mod
);
3732 *resp_len
+= agg_size
;
3734 if (next_smp
+ agg_size
> ((u8
*)smp
) + sizeof(*smp
)) {
3735 smp
->status
|= IB_SMP_INVALID_FIELD
;
3736 return reply((struct ib_mad_hdr
*)smp
);
3739 (void) subn_set_opa_sma(agg
->attr_id
, smp
, am
, agg
->data
,
3741 if (smp
->status
& ~IB_SMP_DIRECTION
) {
3742 set_aggr_error(agg
);
3743 return reply((struct ib_mad_hdr
*)smp
);
3745 next_smp
+= agg_size
;
3749 return reply((struct ib_mad_hdr
*)smp
);
3753 * OPAv1 specifies that, on the transition to link up, these counters
3757 * LocalLinkIntegrityErrors
3758 * ExcessiveBufferOverruns [*]
3760 * [*] Error info associated with these counters is retained, but the
3761 * error info status is reset to 0.
3763 void clear_linkup_counters(struct hfi1_devdata
*dd
)
3766 write_dev_cntr(dd
, C_DC_RCV_ERR
, CNTR_INVALID_VL
, 0);
3767 dd
->err_info_rcvport
.status_and_code
&= ~OPA_EI_STATUS_SMASK
;
3768 /* LinkErrorRecovery */
3769 write_dev_cntr(dd
, C_DC_SEQ_CRC_CNT
, CNTR_INVALID_VL
, 0);
3770 write_dev_cntr(dd
, C_DC_REINIT_FROM_PEER_CNT
, CNTR_INVALID_VL
, 0);
3771 /* LocalLinkIntegrityErrors */
3772 write_dev_cntr(dd
, C_DC_TX_REPLAY
, CNTR_INVALID_VL
, 0);
3773 write_dev_cntr(dd
, C_DC_RX_REPLAY
, CNTR_INVALID_VL
, 0);
3774 /* ExcessiveBufferOverruns */
3775 write_dev_cntr(dd
, C_RCV_OVF
, CNTR_INVALID_VL
, 0);
3776 dd
->rcv_ovfl_cnt
= 0;
3777 dd
->err_info_xmit_constraint
.status
&= ~OPA_EI_STATUS_SMASK
;
3781 * is_local_mad() returns 1 if 'mad' is sent from, and destined to the
3782 * local node, 0 otherwise.
3784 static int is_local_mad(struct hfi1_ibport
*ibp
, const struct opa_mad
*mad
,
3785 const struct ib_wc
*in_wc
)
3787 struct hfi1_pportdata
*ppd
= ppd_from_ibp(ibp
);
3788 const struct opa_smp
*smp
= (const struct opa_smp
*)mad
;
3790 if (smp
->mgmt_class
== IB_MGMT_CLASS_SUBN_DIRECTED_ROUTE
) {
3791 return (smp
->hop_cnt
== 0 &&
3792 smp
->route
.dr
.dr_slid
== OPA_LID_PERMISSIVE
&&
3793 smp
->route
.dr
.dr_dlid
== OPA_LID_PERMISSIVE
);
3796 return (in_wc
->slid
== ppd
->lid
);
3800 * opa_local_smp_check() should only be called on MADs for which
3801 * is_local_mad() returns true. It applies the SMP checks that are
3802 * specific to SMPs which are sent from, and destined to this node.
3803 * opa_local_smp_check() returns 0 if the SMP passes its checks, 1
3806 * SMPs which arrive from other nodes are instead checked by
3809 static int opa_local_smp_check(struct hfi1_ibport
*ibp
,
3810 const struct ib_wc
*in_wc
)
3812 struct hfi1_pportdata
*ppd
= ppd_from_ibp(ibp
);
3813 u16 slid
= in_wc
->slid
;
3816 if (in_wc
->pkey_index
>= ARRAY_SIZE(ppd
->pkeys
))
3819 pkey
= ppd
->pkeys
[in_wc
->pkey_index
];
3821 * We need to do the "node-local" checks specified in OPAv1,
3822 * rev 0.90, section 9.10.26, which are:
3823 * - pkey is 0x7fff, or 0xffff
3824 * - Source QPN == 0 || Destination QPN == 0
3825 * - the MAD header's management class is either
3826 * IB_MGMT_CLASS_SUBN_DIRECTED_ROUTE or
3827 * IB_MGMT_CLASS_SUBN_LID_ROUTED
3830 * However, we know (and so don't need to check again) that,
3831 * for local SMPs, the MAD stack passes MADs with:
3833 * - MAD mgmt_class is IB_MGMT_CLASS_SUBN_DIRECTED_ROUTE
3834 * - SLID is either: OPA_LID_PERMISSIVE (0xFFFFFFFF), or
3835 * our own port's lid
3838 if (pkey
== LIM_MGMT_P_KEY
|| pkey
== FULL_MGMT_P_KEY
)
3840 ingress_pkey_table_fail(ppd
, pkey
, slid
);
3844 static int process_subn_opa(struct ib_device
*ibdev
, int mad_flags
,
3845 u8 port
, const struct opa_mad
*in_mad
,
3846 struct opa_mad
*out_mad
,
3849 struct opa_smp
*smp
= (struct opa_smp
*)out_mad
;
3850 struct hfi1_ibport
*ibp
= to_iport(ibdev
, port
);
3857 data
= opa_get_smp_data(smp
);
3859 am
= be32_to_cpu(smp
->attr_mod
);
3860 attr_id
= smp
->attr_id
;
3861 if (smp
->class_version
!= OPA_SMI_CLASS_VERSION
) {
3862 smp
->status
|= IB_SMP_UNSUP_VERSION
;
3863 ret
= reply((struct ib_mad_hdr
*)smp
);
3866 ret
= check_mkey(ibp
, (struct ib_mad_hdr
*)smp
, mad_flags
, smp
->mkey
,
3867 smp
->route
.dr
.dr_slid
, smp
->route
.dr
.return_path
,
3870 u32 port_num
= be32_to_cpu(smp
->attr_mod
);
3873 * If this is a get/set portinfo, we already check the
3874 * M_Key if the MAD is for another port and the M_Key
3875 * is OK on the receiving port. This check is needed
3876 * to increment the error counters when the M_Key
3877 * fails to match on *both* ports.
3879 if (attr_id
== IB_SMP_ATTR_PORT_INFO
&&
3880 (smp
->method
== IB_MGMT_METHOD_GET
||
3881 smp
->method
== IB_MGMT_METHOD_SET
) &&
3882 port_num
&& port_num
<= ibdev
->phys_port_cnt
&&
3884 (void) check_mkey(to_iport(ibdev
, port_num
),
3885 (struct ib_mad_hdr
*)smp
, 0,
3886 smp
->mkey
, smp
->route
.dr
.dr_slid
,
3887 smp
->route
.dr
.return_path
,
3889 ret
= IB_MAD_RESULT_FAILURE
;
3893 *resp_len
= opa_get_smp_header_size(smp
);
3895 switch (smp
->method
) {
3896 case IB_MGMT_METHOD_GET
:
3899 clear_opa_smp_data(smp
);
3900 ret
= subn_get_opa_sma(attr_id
, smp
, am
, data
,
3901 ibdev
, port
, resp_len
);
3903 case OPA_ATTRIB_ID_AGGREGATE
:
3904 ret
= subn_get_opa_aggregate(smp
, ibdev
, port
,
3908 case IB_MGMT_METHOD_SET
:
3911 ret
= subn_set_opa_sma(attr_id
, smp
, am
, data
,
3912 ibdev
, port
, resp_len
);
3914 case OPA_ATTRIB_ID_AGGREGATE
:
3915 ret
= subn_set_opa_aggregate(smp
, ibdev
, port
,
3919 case IB_MGMT_METHOD_TRAP
:
3920 case IB_MGMT_METHOD_REPORT
:
3921 case IB_MGMT_METHOD_REPORT_RESP
:
3922 case IB_MGMT_METHOD_GET_RESP
:
3924 * The ib_mad module will call us to process responses
3925 * before checking for other consumers.
3926 * Just tell the caller to process it normally.
3928 ret
= IB_MAD_RESULT_SUCCESS
;
3931 smp
->status
|= IB_SMP_UNSUP_METHOD
;
3932 ret
= reply((struct ib_mad_hdr
*)smp
);
3939 static int process_subn(struct ib_device
*ibdev
, int mad_flags
,
3940 u8 port
, const struct ib_mad
*in_mad
,
3941 struct ib_mad
*out_mad
)
3943 struct ib_smp
*smp
= (struct ib_smp
*)out_mad
;
3944 struct hfi1_ibport
*ibp
= to_iport(ibdev
, port
);
3948 if (smp
->class_version
!= 1) {
3949 smp
->status
|= IB_SMP_UNSUP_VERSION
;
3950 ret
= reply((struct ib_mad_hdr
*)smp
);
3954 ret
= check_mkey(ibp
, (struct ib_mad_hdr
*)smp
, mad_flags
,
3955 smp
->mkey
, (__force __be32
)smp
->dr_slid
,
3956 smp
->return_path
, smp
->hop_cnt
);
3958 u32 port_num
= be32_to_cpu(smp
->attr_mod
);
3961 * If this is a get/set portinfo, we already check the
3962 * M_Key if the MAD is for another port and the M_Key
3963 * is OK on the receiving port. This check is needed
3964 * to increment the error counters when the M_Key
3965 * fails to match on *both* ports.
3967 if (in_mad
->mad_hdr
.attr_id
== IB_SMP_ATTR_PORT_INFO
&&
3968 (smp
->method
== IB_MGMT_METHOD_GET
||
3969 smp
->method
== IB_MGMT_METHOD_SET
) &&
3970 port_num
&& port_num
<= ibdev
->phys_port_cnt
&&
3972 (void) check_mkey(to_iport(ibdev
, port_num
),
3973 (struct ib_mad_hdr
*)smp
, 0,
3975 (__force __be32
)smp
->dr_slid
,
3976 smp
->return_path
, smp
->hop_cnt
);
3977 ret
= IB_MAD_RESULT_FAILURE
;
3981 switch (smp
->method
) {
3982 case IB_MGMT_METHOD_GET
:
3983 switch (smp
->attr_id
) {
3984 case IB_SMP_ATTR_NODE_INFO
:
3985 ret
= subn_get_nodeinfo(smp
, ibdev
, port
);
3988 smp
->status
|= IB_SMP_UNSUP_METH_ATTR
;
3989 ret
= reply((struct ib_mad_hdr
*)smp
);
3998 static int process_perf_opa(struct ib_device
*ibdev
, u8 port
,
3999 const struct opa_mad
*in_mad
,
4000 struct opa_mad
*out_mad
, u32
*resp_len
)
4002 struct opa_pma_mad
*pmp
= (struct opa_pma_mad
*)out_mad
;
4007 if (pmp
->mad_hdr
.class_version
!= OPA_SMI_CLASS_VERSION
) {
4008 pmp
->mad_hdr
.status
|= IB_SMP_UNSUP_VERSION
;
4009 return reply((struct ib_mad_hdr
*)pmp
);
4012 *resp_len
= sizeof(pmp
->mad_hdr
);
4014 switch (pmp
->mad_hdr
.method
) {
4015 case IB_MGMT_METHOD_GET
:
4016 switch (pmp
->mad_hdr
.attr_id
) {
4017 case IB_PMA_CLASS_PORT_INFO
:
4018 ret
= pma_get_opa_classportinfo(pmp
, ibdev
, resp_len
);
4020 case OPA_PM_ATTRIB_ID_PORT_STATUS
:
4021 ret
= pma_get_opa_portstatus(pmp
, ibdev
, port
,
4024 case OPA_PM_ATTRIB_ID_DATA_PORT_COUNTERS
:
4025 ret
= pma_get_opa_datacounters(pmp
, ibdev
, port
,
4028 case OPA_PM_ATTRIB_ID_ERROR_PORT_COUNTERS
:
4029 ret
= pma_get_opa_porterrors(pmp
, ibdev
, port
,
4032 case OPA_PM_ATTRIB_ID_ERROR_INFO
:
4033 ret
= pma_get_opa_errorinfo(pmp
, ibdev
, port
,
4037 pmp
->mad_hdr
.status
|= IB_SMP_UNSUP_METH_ATTR
;
4038 ret
= reply((struct ib_mad_hdr
*)pmp
);
4042 case IB_MGMT_METHOD_SET
:
4043 switch (pmp
->mad_hdr
.attr_id
) {
4044 case OPA_PM_ATTRIB_ID_CLEAR_PORT_STATUS
:
4045 ret
= pma_set_opa_portstatus(pmp
, ibdev
, port
,
4048 case OPA_PM_ATTRIB_ID_ERROR_INFO
:
4049 ret
= pma_set_opa_errorinfo(pmp
, ibdev
, port
,
4053 pmp
->mad_hdr
.status
|= IB_SMP_UNSUP_METH_ATTR
;
4054 ret
= reply((struct ib_mad_hdr
*)pmp
);
4058 case IB_MGMT_METHOD_TRAP
:
4059 case IB_MGMT_METHOD_GET_RESP
:
4061 * The ib_mad module will call us to process responses
4062 * before checking for other consumers.
4063 * Just tell the caller to process it normally.
4065 ret
= IB_MAD_RESULT_SUCCESS
;
4069 pmp
->mad_hdr
.status
|= IB_SMP_UNSUP_METHOD
;
4070 ret
= reply((struct ib_mad_hdr
*)pmp
);
4077 static int hfi1_process_opa_mad(struct ib_device
*ibdev
, int mad_flags
,
4078 u8 port
, const struct ib_wc
*in_wc
,
4079 const struct ib_grh
*in_grh
,
4080 const struct opa_mad
*in_mad
,
4081 struct opa_mad
*out_mad
, size_t *out_mad_size
,
4082 u16
*out_mad_pkey_index
)
4087 struct hfi1_ibport
*ibp
= to_iport(ibdev
, port
);
4089 pkey_idx
= hfi1_lookup_pkey_idx(ibp
, LIM_MGMT_P_KEY
);
4091 pr_warn("failed to find limited mgmt pkey, defaulting 0x%x\n",
4092 hfi1_get_pkey(ibp
, 1));
4095 *out_mad_pkey_index
= (u16
)pkey_idx
;
4097 switch (in_mad
->mad_hdr
.mgmt_class
) {
4098 case IB_MGMT_CLASS_SUBN_DIRECTED_ROUTE
:
4099 case IB_MGMT_CLASS_SUBN_LID_ROUTED
:
4100 if (is_local_mad(ibp
, in_mad
, in_wc
)) {
4101 ret
= opa_local_smp_check(ibp
, in_wc
);
4103 return IB_MAD_RESULT_FAILURE
;
4105 ret
= process_subn_opa(ibdev
, mad_flags
, port
, in_mad
,
4106 out_mad
, &resp_len
);
4108 case IB_MGMT_CLASS_PERF_MGMT
:
4109 ret
= process_perf_opa(ibdev
, port
, in_mad
, out_mad
,
4114 ret
= IB_MAD_RESULT_SUCCESS
;
4118 if (ret
& IB_MAD_RESULT_REPLY
)
4119 *out_mad_size
= round_up(resp_len
, 8);
4120 else if (ret
& IB_MAD_RESULT_SUCCESS
)
4121 *out_mad_size
= in_wc
->byte_len
- sizeof(struct ib_grh
);
4126 static int hfi1_process_ib_mad(struct ib_device
*ibdev
, int mad_flags
, u8 port
,
4127 const struct ib_wc
*in_wc
,
4128 const struct ib_grh
*in_grh
,
4129 const struct ib_mad
*in_mad
,
4130 struct ib_mad
*out_mad
)
4134 switch (in_mad
->mad_hdr
.mgmt_class
) {
4135 case IB_MGMT_CLASS_SUBN_DIRECTED_ROUTE
:
4136 case IB_MGMT_CLASS_SUBN_LID_ROUTED
:
4137 ret
= process_subn(ibdev
, mad_flags
, port
, in_mad
, out_mad
);
4140 ret
= IB_MAD_RESULT_SUCCESS
;
4148 * hfi1_process_mad - process an incoming MAD packet
4149 * @ibdev: the infiniband device this packet came in on
4150 * @mad_flags: MAD flags
4151 * @port: the port number this packet came in on
4152 * @in_wc: the work completion entry for this packet
4153 * @in_grh: the global route header for this packet
4154 * @in_mad: the incoming MAD
4155 * @out_mad: any outgoing MAD reply
4157 * Returns IB_MAD_RESULT_SUCCESS if this is a MAD that we are not
4158 * interested in processing.
4160 * Note that the verbs framework has already done the MAD sanity checks,
4161 * and hop count/pointer updating for IB_MGMT_CLASS_SUBN_DIRECTED_ROUTE
4164 * This is called by the ib_mad module.
4166 int hfi1_process_mad(struct ib_device
*ibdev
, int mad_flags
, u8 port
,
4167 const struct ib_wc
*in_wc
, const struct ib_grh
*in_grh
,
4168 const struct ib_mad_hdr
*in_mad
, size_t in_mad_size
,
4169 struct ib_mad_hdr
*out_mad
, size_t *out_mad_size
,
4170 u16
*out_mad_pkey_index
)
4172 switch (in_mad
->base_version
) {
4173 case OPA_MGMT_BASE_VERSION
:
4174 if (unlikely(in_mad_size
!= sizeof(struct opa_mad
))) {
4175 dev_err(ibdev
->dma_device
, "invalid in_mad_size\n");
4176 return IB_MAD_RESULT_FAILURE
;
4178 return hfi1_process_opa_mad(ibdev
, mad_flags
, port
,
4180 (struct opa_mad
*)in_mad
,
4181 (struct opa_mad
*)out_mad
,
4183 out_mad_pkey_index
);
4184 case IB_MGMT_BASE_VERSION
:
4185 return hfi1_process_ib_mad(ibdev
, mad_flags
, port
,
4187 (const struct ib_mad
*)in_mad
,
4188 (struct ib_mad
*)out_mad
);
4193 return IB_MAD_RESULT_FAILURE
;
4196 static void send_handler(struct ib_mad_agent
*agent
,
4197 struct ib_mad_send_wc
*mad_send_wc
)
4199 ib_free_send_mad(mad_send_wc
->send_buf
);
4202 int hfi1_create_agents(struct hfi1_ibdev
*dev
)
4204 struct hfi1_devdata
*dd
= dd_from_dev(dev
);
4205 struct ib_mad_agent
*agent
;
4206 struct hfi1_ibport
*ibp
;
4210 for (p
= 0; p
< dd
->num_pports
; p
++) {
4211 ibp
= &dd
->pport
[p
].ibport_data
;
4212 agent
= ib_register_mad_agent(&dev
->ibdev
, p
+ 1, IB_QPT_SMI
,
4213 NULL
, 0, send_handler
,
4215 if (IS_ERR(agent
)) {
4216 ret
= PTR_ERR(agent
);
4220 ibp
->send_agent
= agent
;
4226 for (p
= 0; p
< dd
->num_pports
; p
++) {
4227 ibp
= &dd
->pport
[p
].ibport_data
;
4228 if (ibp
->send_agent
) {
4229 agent
= ibp
->send_agent
;
4230 ibp
->send_agent
= NULL
;
4231 ib_unregister_mad_agent(agent
);
4238 void hfi1_free_agents(struct hfi1_ibdev
*dev
)
4240 struct hfi1_devdata
*dd
= dd_from_dev(dev
);
4241 struct ib_mad_agent
*agent
;
4242 struct hfi1_ibport
*ibp
;
4245 for (p
= 0; p
< dd
->num_pports
; p
++) {
4246 ibp
= &dd
->pport
[p
].ibport_data
;
4247 if (ibp
->send_agent
) {
4248 agent
= ibp
->send_agent
;
4249 ibp
->send_agent
= NULL
;
4250 ib_unregister_mad_agent(agent
);
4253 ib_destroy_ah(&ibp
->sm_ah
->ibah
);