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,
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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
->rvp
.send_agent
;
99 if (ppd_from_ibp(ibp
)->lstate
!= IB_PORT_ACTIVE
)
103 if (ibp
->rvp
.trap_timeout
&& time_before(jiffies
,
104 ibp
->rvp
.trap_timeout
))
107 pkey_idx
= hfi1_lookup_pkey_idx(ibp
, LIM_MGMT_P_KEY
);
109 pr_warn("%s: failed to find limited mgmt pkey, defaulting 0x%x\n",
110 __func__
, hfi1_get_pkey(ibp
, 1));
114 send_buf
= ib_create_send_mad(agent
, qpn
, pkey_idx
, 0,
115 IB_MGMT_MAD_HDR
, IB_MGMT_MAD_DATA
,
116 GFP_ATOMIC
, IB_MGMT_BASE_VERSION
);
117 if (IS_ERR(send_buf
))
121 smp
->base_version
= OPA_MGMT_BASE_VERSION
;
122 smp
->mgmt_class
= IB_MGMT_CLASS_SUBN_LID_ROUTED
;
123 smp
->class_version
= OPA_SMI_CLASS_VERSION
;
124 smp
->method
= IB_MGMT_METHOD_TRAP
;
126 smp
->tid
= cpu_to_be64(ibp
->rvp
.tid
);
127 smp
->attr_id
= IB_SMP_ATTR_NOTICE
;
128 /* o14-1: smp->mkey = 0; */
129 memcpy(smp
->route
.lid
.data
, data
, len
);
131 spin_lock_irqsave(&ibp
->rvp
.lock
, flags
);
132 if (!ibp
->rvp
.sm_ah
) {
133 if (ibp
->rvp
.sm_lid
!= be16_to_cpu(IB_LID_PERMISSIVE
)) {
136 ah
= hfi1_create_qp0_ah(ibp
, ibp
->rvp
.sm_lid
);
141 ibp
->rvp
.sm_ah
= ibah_to_rvtah(ah
);
147 send_buf
->ah
= &ibp
->rvp
.sm_ah
->ibah
;
150 spin_unlock_irqrestore(&ibp
->rvp
.lock
, flags
);
153 ret
= ib_post_send_mad(send_buf
, NULL
);
156 timeout
= (4096 * (1UL << ibp
->rvp
.subnet_timeout
)) / 1000;
157 ibp
->rvp
.trap_timeout
= jiffies
+ usecs_to_jiffies(timeout
);
159 ib_free_send_mad(send_buf
);
160 ibp
->rvp
.trap_timeout
= 0;
165 * Send a bad [PQ]_Key trap (ch. 14.3.8).
167 void hfi1_bad_pqkey(struct hfi1_ibport
*ibp
, __be16 trap_num
, u32 key
, u32 sl
,
168 u32 qp1
, u32 qp2
, u16 lid1
, u16 lid2
)
170 struct opa_mad_notice_attr data
;
171 u32 lid
= ppd_from_ibp(ibp
)->lid
;
175 memset(&data
, 0, sizeof(data
));
177 if (trap_num
== OPA_TRAP_BAD_P_KEY
)
178 ibp
->rvp
.pkey_violations
++;
180 ibp
->rvp
.qkey_violations
++;
181 ibp
->rvp
.n_pkt_drops
++;
183 /* Send violation trap */
184 data
.generic_type
= IB_NOTICE_TYPE_SECURITY
;
185 data
.prod_type_lsb
= IB_NOTICE_PROD_CA
;
186 data
.trap_num
= trap_num
;
187 data
.issuer_lid
= cpu_to_be32(lid
);
188 data
.ntc_257_258
.lid1
= cpu_to_be32(_lid1
);
189 data
.ntc_257_258
.lid2
= cpu_to_be32(_lid2
);
190 data
.ntc_257_258
.key
= cpu_to_be32(key
);
191 data
.ntc_257_258
.sl
= sl
<< 3;
192 data
.ntc_257_258
.qp1
= cpu_to_be32(qp1
);
193 data
.ntc_257_258
.qp2
= cpu_to_be32(qp2
);
195 send_trap(ibp
, &data
, sizeof(data
));
199 * Send a bad M_Key trap (ch. 14.3.9).
201 static void bad_mkey(struct hfi1_ibport
*ibp
, struct ib_mad_hdr
*mad
,
202 __be64 mkey
, __be32 dr_slid
, u8 return_path
[], u8 hop_cnt
)
204 struct opa_mad_notice_attr data
;
205 u32 lid
= ppd_from_ibp(ibp
)->lid
;
207 memset(&data
, 0, sizeof(data
));
208 /* Send violation trap */
209 data
.generic_type
= IB_NOTICE_TYPE_SECURITY
;
210 data
.prod_type_lsb
= IB_NOTICE_PROD_CA
;
211 data
.trap_num
= OPA_TRAP_BAD_M_KEY
;
212 data
.issuer_lid
= cpu_to_be32(lid
);
213 data
.ntc_256
.lid
= data
.issuer_lid
;
214 data
.ntc_256
.method
= mad
->method
;
215 data
.ntc_256
.attr_id
= mad
->attr_id
;
216 data
.ntc_256
.attr_mod
= mad
->attr_mod
;
217 data
.ntc_256
.mkey
= mkey
;
218 if (mad
->mgmt_class
== IB_MGMT_CLASS_SUBN_DIRECTED_ROUTE
) {
219 data
.ntc_256
.dr_slid
= dr_slid
;
220 data
.ntc_256
.dr_trunc_hop
= IB_NOTICE_TRAP_DR_NOTICE
;
221 if (hop_cnt
> ARRAY_SIZE(data
.ntc_256
.dr_rtn_path
)) {
222 data
.ntc_256
.dr_trunc_hop
|=
223 IB_NOTICE_TRAP_DR_TRUNC
;
224 hop_cnt
= ARRAY_SIZE(data
.ntc_256
.dr_rtn_path
);
226 data
.ntc_256
.dr_trunc_hop
|= hop_cnt
;
227 memcpy(data
.ntc_256
.dr_rtn_path
, return_path
,
231 send_trap(ibp
, &data
, sizeof(data
));
235 * Send a Port Capability Mask Changed trap (ch. 14.3.11).
237 void hfi1_cap_mask_chg(struct hfi1_ibport
*ibp
)
239 struct opa_mad_notice_attr data
;
240 u32 lid
= ppd_from_ibp(ibp
)->lid
;
242 memset(&data
, 0, sizeof(data
));
244 data
.generic_type
= IB_NOTICE_TYPE_INFO
;
245 data
.prod_type_lsb
= IB_NOTICE_PROD_CA
;
246 data
.trap_num
= OPA_TRAP_CHANGE_CAPABILITY
;
247 data
.issuer_lid
= cpu_to_be32(lid
);
248 data
.ntc_144
.lid
= data
.issuer_lid
;
249 data
.ntc_144
.new_cap_mask
= cpu_to_be32(ibp
->rvp
.port_cap_flags
);
251 send_trap(ibp
, &data
, sizeof(data
));
255 * Send a System Image GUID Changed trap (ch. 14.3.12).
257 void hfi1_sys_guid_chg(struct hfi1_ibport
*ibp
)
259 struct opa_mad_notice_attr data
;
260 u32 lid
= ppd_from_ibp(ibp
)->lid
;
262 memset(&data
, 0, sizeof(data
));
264 data
.generic_type
= IB_NOTICE_TYPE_INFO
;
265 data
.prod_type_lsb
= IB_NOTICE_PROD_CA
;
266 data
.trap_num
= OPA_TRAP_CHANGE_SYSGUID
;
267 data
.issuer_lid
= cpu_to_be32(lid
);
268 data
.ntc_145
.new_sys_guid
= ib_hfi1_sys_image_guid
;
269 data
.ntc_145
.lid
= data
.issuer_lid
;
271 send_trap(ibp
, &data
, sizeof(data
));
275 * Send a Node Description Changed trap (ch. 14.3.13).
277 void hfi1_node_desc_chg(struct hfi1_ibport
*ibp
)
279 struct opa_mad_notice_attr data
;
280 u32 lid
= ppd_from_ibp(ibp
)->lid
;
282 memset(&data
, 0, sizeof(data
));
284 data
.generic_type
= IB_NOTICE_TYPE_INFO
;
285 data
.prod_type_lsb
= IB_NOTICE_PROD_CA
;
286 data
.trap_num
= OPA_TRAP_CHANGE_CAPABILITY
;
287 data
.issuer_lid
= cpu_to_be32(lid
);
288 data
.ntc_144
.lid
= data
.issuer_lid
;
289 data
.ntc_144
.change_flags
=
290 cpu_to_be16(OPA_NOTICE_TRAP_NODE_DESC_CHG
);
292 send_trap(ibp
, &data
, sizeof(data
));
295 static int __subn_get_opa_nodedesc(struct opa_smp
*smp
, u32 am
,
296 u8
*data
, struct ib_device
*ibdev
,
297 u8 port
, u32
*resp_len
)
299 struct opa_node_description
*nd
;
302 smp
->status
|= IB_SMP_INVALID_FIELD
;
303 return reply((struct ib_mad_hdr
*)smp
);
306 nd
= (struct opa_node_description
*)data
;
308 memcpy(nd
->data
, ibdev
->node_desc
, sizeof(nd
->data
));
311 *resp_len
+= sizeof(*nd
);
313 return reply((struct ib_mad_hdr
*)smp
);
316 static int __subn_get_opa_nodeinfo(struct opa_smp
*smp
, u32 am
, u8
*data
,
317 struct ib_device
*ibdev
, u8 port
,
320 struct opa_node_info
*ni
;
321 struct hfi1_devdata
*dd
= dd_from_ibdev(ibdev
);
322 unsigned pidx
= port
- 1; /* IB number port from 1, hw from 0 */
324 ni
= (struct opa_node_info
*)data
;
326 /* GUID 0 is illegal */
327 if (am
|| pidx
>= dd
->num_pports
|| dd
->pport
[pidx
].guid
== 0) {
328 smp
->status
|= IB_SMP_INVALID_FIELD
;
329 return reply((struct ib_mad_hdr
*)smp
);
332 ni
->port_guid
= cpu_to_be64(dd
->pport
[pidx
].guid
);
333 ni
->base_version
= OPA_MGMT_BASE_VERSION
;
334 ni
->class_version
= OPA_SMI_CLASS_VERSION
;
335 ni
->node_type
= 1; /* channel adapter */
336 ni
->num_ports
= ibdev
->phys_port_cnt
;
337 /* This is already in network order */
338 ni
->system_image_guid
= ib_hfi1_sys_image_guid
;
339 /* Use first-port GUID as node */
340 ni
->node_guid
= cpu_to_be64(dd
->pport
->guid
);
341 ni
->partition_cap
= cpu_to_be16(hfi1_get_npkeys(dd
));
342 ni
->device_id
= cpu_to_be16(dd
->pcidev
->device
);
343 ni
->revision
= cpu_to_be32(dd
->minrev
);
344 ni
->local_port_num
= port
;
345 ni
->vendor_id
[0] = dd
->oui1
;
346 ni
->vendor_id
[1] = dd
->oui2
;
347 ni
->vendor_id
[2] = dd
->oui3
;
350 *resp_len
+= sizeof(*ni
);
352 return reply((struct ib_mad_hdr
*)smp
);
355 static int subn_get_nodeinfo(struct ib_smp
*smp
, struct ib_device
*ibdev
,
358 struct ib_node_info
*nip
= (struct ib_node_info
*)&smp
->data
;
359 struct hfi1_devdata
*dd
= dd_from_ibdev(ibdev
);
360 unsigned pidx
= port
- 1; /* IB number port from 1, hw from 0 */
362 /* GUID 0 is illegal */
363 if (smp
->attr_mod
|| pidx
>= dd
->num_pports
||
364 dd
->pport
[pidx
].guid
== 0)
365 smp
->status
|= IB_SMP_INVALID_FIELD
;
367 nip
->port_guid
= cpu_to_be64(dd
->pport
[pidx
].guid
);
369 nip
->base_version
= OPA_MGMT_BASE_VERSION
;
370 nip
->class_version
= OPA_SMI_CLASS_VERSION
;
371 nip
->node_type
= 1; /* channel adapter */
372 nip
->num_ports
= ibdev
->phys_port_cnt
;
373 /* This is already in network order */
374 nip
->sys_guid
= ib_hfi1_sys_image_guid
;
375 /* Use first-port GUID as node */
376 nip
->node_guid
= cpu_to_be64(dd
->pport
->guid
);
377 nip
->partition_cap
= cpu_to_be16(hfi1_get_npkeys(dd
));
378 nip
->device_id
= cpu_to_be16(dd
->pcidev
->device
);
379 nip
->revision
= cpu_to_be32(dd
->minrev
);
380 nip
->local_port_num
= port
;
381 nip
->vendor_id
[0] = dd
->oui1
;
382 nip
->vendor_id
[1] = dd
->oui2
;
383 nip
->vendor_id
[2] = dd
->oui3
;
385 return reply((struct ib_mad_hdr
*)smp
);
388 static void set_link_width_enabled(struct hfi1_pportdata
*ppd
, u32 w
)
390 (void)hfi1_set_ib_cfg(ppd
, HFI1_IB_CFG_LWID_ENB
, w
);
393 static void set_link_width_downgrade_enabled(struct hfi1_pportdata
*ppd
, u32 w
)
395 (void)hfi1_set_ib_cfg(ppd
, HFI1_IB_CFG_LWID_DG_ENB
, w
);
398 static void set_link_speed_enabled(struct hfi1_pportdata
*ppd
, u32 s
)
400 (void)hfi1_set_ib_cfg(ppd
, HFI1_IB_CFG_SPD_ENB
, s
);
403 static int check_mkey(struct hfi1_ibport
*ibp
, struct ib_mad_hdr
*mad
,
404 int mad_flags
, __be64 mkey
, __be32 dr_slid
,
405 u8 return_path
[], u8 hop_cnt
)
410 /* Is the mkey in the process of expiring? */
411 if (ibp
->rvp
.mkey_lease_timeout
&&
412 time_after_eq(jiffies
, ibp
->rvp
.mkey_lease_timeout
)) {
413 /* Clear timeout and mkey protection field. */
414 ibp
->rvp
.mkey_lease_timeout
= 0;
415 ibp
->rvp
.mkeyprot
= 0;
418 if ((mad_flags
& IB_MAD_IGNORE_MKEY
) || ibp
->rvp
.mkey
== 0 ||
419 ibp
->rvp
.mkey
== mkey
)
422 /* Unset lease timeout on any valid Get/Set/TrapRepress */
423 if (valid_mkey
&& ibp
->rvp
.mkey_lease_timeout
&&
424 (mad
->method
== IB_MGMT_METHOD_GET
||
425 mad
->method
== IB_MGMT_METHOD_SET
||
426 mad
->method
== IB_MGMT_METHOD_TRAP_REPRESS
))
427 ibp
->rvp
.mkey_lease_timeout
= 0;
430 switch (mad
->method
) {
431 case IB_MGMT_METHOD_GET
:
432 /* Bad mkey not a violation below level 2 */
433 if (ibp
->rvp
.mkeyprot
< 2)
435 case IB_MGMT_METHOD_SET
:
436 case IB_MGMT_METHOD_TRAP_REPRESS
:
437 if (ibp
->rvp
.mkey_violations
!= 0xFFFF)
438 ++ibp
->rvp
.mkey_violations
;
439 if (!ibp
->rvp
.mkey_lease_timeout
&&
440 ibp
->rvp
.mkey_lease_period
)
441 ibp
->rvp
.mkey_lease_timeout
= jiffies
+
442 ibp
->rvp
.mkey_lease_period
* HZ
;
443 /* Generate a trap notice. */
444 bad_mkey(ibp
, mad
, mkey
, dr_slid
, return_path
,
454 * The SMA caches reads from LCB registers in case the LCB is unavailable.
455 * (The LCB is unavailable in certain link states, for example.)
462 static struct lcb_datum lcb_cache
[] = {
463 { DC_LCB_STS_ROUND_TRIP_LTP_CNT
, 0 },
466 static int write_lcb_cache(u32 off
, u64 val
)
470 for (i
= 0; i
< ARRAY_SIZE(lcb_cache
); i
++) {
471 if (lcb_cache
[i
].off
== off
) {
472 lcb_cache
[i
].val
= val
;
477 pr_warn("%s bad offset 0x%x\n", __func__
, off
);
481 static int read_lcb_cache(u32 off
, u64
*val
)
485 for (i
= 0; i
< ARRAY_SIZE(lcb_cache
); i
++) {
486 if (lcb_cache
[i
].off
== off
) {
487 *val
= lcb_cache
[i
].val
;
492 pr_warn("%s bad offset 0x%x\n", __func__
, off
);
496 void read_ltp_rtt(struct hfi1_devdata
*dd
)
500 if (read_lcb_csr(dd
, DC_LCB_STS_ROUND_TRIP_LTP_CNT
, ®
))
501 dd_dev_err(dd
, "%s: unable to read LTP RTT\n", __func__
);
503 write_lcb_cache(DC_LCB_STS_ROUND_TRIP_LTP_CNT
, reg
);
506 static int __subn_get_opa_portinfo(struct opa_smp
*smp
, u32 am
, u8
*data
,
507 struct ib_device
*ibdev
, u8 port
,
511 struct hfi1_devdata
*dd
;
512 struct hfi1_pportdata
*ppd
;
513 struct hfi1_ibport
*ibp
;
514 struct opa_port_info
*pi
= (struct opa_port_info
*)data
;
518 u32 num_ports
= OPA_AM_NPORT(am
);
519 u32 start_of_sm_config
= OPA_AM_START_SM_CFG(am
);
523 if (num_ports
!= 1) {
524 smp
->status
|= IB_SMP_INVALID_FIELD
;
525 return reply((struct ib_mad_hdr
*)smp
);
528 dd
= dd_from_ibdev(ibdev
);
529 /* IB numbers ports from 1, hw from 0 */
530 ppd
= dd
->pport
+ (port
- 1);
531 ibp
= &ppd
->ibport_data
;
533 if (ppd
->vls_supported
/2 > ARRAY_SIZE(pi
->neigh_mtu
.pvlx_to_mtu
) ||
534 ppd
->vls_supported
> ARRAY_SIZE(dd
->vld
)) {
535 smp
->status
|= IB_SMP_INVALID_FIELD
;
536 return reply((struct ib_mad_hdr
*)smp
);
539 pi
->lid
= cpu_to_be32(ppd
->lid
);
541 /* Only return the mkey if the protection field allows it. */
542 if (!(smp
->method
== IB_MGMT_METHOD_GET
&&
543 ibp
->rvp
.mkey
!= smp
->mkey
&&
544 ibp
->rvp
.mkeyprot
== 1))
545 pi
->mkey
= ibp
->rvp
.mkey
;
547 pi
->subnet_prefix
= ibp
->rvp
.gid_prefix
;
548 pi
->sm_lid
= cpu_to_be32(ibp
->rvp
.sm_lid
);
549 pi
->ib_cap_mask
= cpu_to_be32(ibp
->rvp
.port_cap_flags
);
550 pi
->mkey_lease_period
= cpu_to_be16(ibp
->rvp
.mkey_lease_period
);
551 pi
->sm_trap_qp
= cpu_to_be32(ppd
->sm_trap_qp
);
552 pi
->sa_qp
= cpu_to_be32(ppd
->sa_qp
);
554 pi
->link_width
.enabled
= cpu_to_be16(ppd
->link_width_enabled
);
555 pi
->link_width
.supported
= cpu_to_be16(ppd
->link_width_supported
);
556 pi
->link_width
.active
= cpu_to_be16(ppd
->link_width_active
);
558 pi
->link_width_downgrade
.supported
=
559 cpu_to_be16(ppd
->link_width_downgrade_supported
);
560 pi
->link_width_downgrade
.enabled
=
561 cpu_to_be16(ppd
->link_width_downgrade_enabled
);
562 pi
->link_width_downgrade
.tx_active
=
563 cpu_to_be16(ppd
->link_width_downgrade_tx_active
);
564 pi
->link_width_downgrade
.rx_active
=
565 cpu_to_be16(ppd
->link_width_downgrade_rx_active
);
567 pi
->link_speed
.supported
= cpu_to_be16(ppd
->link_speed_supported
);
568 pi
->link_speed
.active
= cpu_to_be16(ppd
->link_speed_active
);
569 pi
->link_speed
.enabled
= cpu_to_be16(ppd
->link_speed_enabled
);
571 state
= driver_lstate(ppd
);
573 if (start_of_sm_config
&& (state
== IB_PORT_INIT
))
574 ppd
->is_sm_config_started
= 1;
576 pi
->port_phys_conf
= (ppd
->port_type
& 0xf);
578 #if PI_LED_ENABLE_SUP
579 pi
->port_states
.ledenable_offlinereason
= ppd
->neighbor_normal
<< 4;
580 pi
->port_states
.ledenable_offlinereason
|=
581 ppd
->is_sm_config_started
<< 5;
582 pi
->port_states
.ledenable_offlinereason
|=
583 ppd
->offline_disabled_reason
;
585 pi
->port_states
.offline_reason
= ppd
->neighbor_normal
<< 4;
586 pi
->port_states
.offline_reason
|= ppd
->is_sm_config_started
<< 5;
587 pi
->port_states
.offline_reason
|= ppd
->offline_disabled_reason
;
588 #endif /* PI_LED_ENABLE_SUP */
590 pi
->port_states
.portphysstate_portstate
=
591 (hfi1_ibphys_portstate(ppd
) << 4) | state
;
593 pi
->mkeyprotect_lmc
= (ibp
->rvp
.mkeyprot
<< 6) | ppd
->lmc
;
595 memset(pi
->neigh_mtu
.pvlx_to_mtu
, 0, sizeof(pi
->neigh_mtu
.pvlx_to_mtu
));
596 for (i
= 0; i
< ppd
->vls_supported
; i
++) {
597 mtu
= mtu_to_enum(dd
->vld
[i
].mtu
, HFI1_DEFAULT_ACTIVE_MTU
);
599 pi
->neigh_mtu
.pvlx_to_mtu
[i
/2] |= (mtu
<< 4);
601 pi
->neigh_mtu
.pvlx_to_mtu
[i
/2] |= mtu
;
603 /* don't forget VL 15 */
604 mtu
= mtu_to_enum(dd
->vld
[15].mtu
, 2048);
605 pi
->neigh_mtu
.pvlx_to_mtu
[15/2] |= mtu
;
606 pi
->smsl
= ibp
->rvp
.sm_sl
& OPA_PI_MASK_SMSL
;
607 pi
->operational_vls
= hfi1_get_ib_cfg(ppd
, HFI1_IB_CFG_OP_VLS
);
608 pi
->partenforce_filterraw
|=
609 (ppd
->linkinit_reason
& OPA_PI_MASK_LINKINIT_REASON
);
610 if (ppd
->part_enforce
& HFI1_PART_ENFORCE_IN
)
611 pi
->partenforce_filterraw
|= OPA_PI_MASK_PARTITION_ENFORCE_IN
;
612 if (ppd
->part_enforce
& HFI1_PART_ENFORCE_OUT
)
613 pi
->partenforce_filterraw
|= OPA_PI_MASK_PARTITION_ENFORCE_OUT
;
614 pi
->mkey_violations
= cpu_to_be16(ibp
->rvp
.mkey_violations
);
615 /* P_KeyViolations are counted by hardware. */
616 pi
->pkey_violations
= cpu_to_be16(ibp
->rvp
.pkey_violations
);
617 pi
->qkey_violations
= cpu_to_be16(ibp
->rvp
.qkey_violations
);
619 pi
->vl
.cap
= ppd
->vls_supported
;
620 pi
->vl
.high_limit
= cpu_to_be16(ibp
->rvp
.vl_high_limit
);
621 pi
->vl
.arb_high_cap
= (u8
)hfi1_get_ib_cfg(ppd
, HFI1_IB_CFG_VL_HIGH_CAP
);
622 pi
->vl
.arb_low_cap
= (u8
)hfi1_get_ib_cfg(ppd
, HFI1_IB_CFG_VL_LOW_CAP
);
624 pi
->clientrereg_subnettimeout
= ibp
->rvp
.subnet_timeout
;
626 pi
->port_link_mode
= cpu_to_be16(OPA_PORT_LINK_MODE_OPA
<< 10 |
627 OPA_PORT_LINK_MODE_OPA
<< 5 |
628 OPA_PORT_LINK_MODE_OPA
);
630 pi
->port_ltp_crc_mode
= cpu_to_be16(ppd
->port_ltp_crc_mode
);
632 pi
->port_mode
= cpu_to_be16(
633 ppd
->is_active_optimize_enabled
?
634 OPA_PI_MASK_PORT_ACTIVE_OPTOMIZE
: 0);
636 pi
->port_packet_format
.supported
=
637 cpu_to_be16(OPA_PORT_PACKET_FORMAT_9B
);
638 pi
->port_packet_format
.enabled
=
639 cpu_to_be16(OPA_PORT_PACKET_FORMAT_9B
);
641 /* flit_control.interleave is (OPA V1, version .76):
645 * 2 DistanceSupported
647 * 5 MaxNextLevelTxEnabled
648 * 5 MaxNestLevelRxSupported
650 * HFI supports only "distance mode 1" (see OPA V1, version .76,
651 * section 9.6.2), so set DistanceSupported, DistanceEnabled
654 pi
->flit_control
.interleave
= cpu_to_be16(0x1400);
656 pi
->link_down_reason
= ppd
->local_link_down_reason
.sma
;
657 pi
->neigh_link_down_reason
= ppd
->neigh_link_down_reason
.sma
;
658 pi
->port_error_action
= cpu_to_be32(ppd
->port_error_action
);
659 pi
->mtucap
= mtu_to_enum(hfi1_max_mtu
, IB_MTU_4096
);
661 /* 32.768 usec. response time (guessing) */
662 pi
->resptimevalue
= 3;
664 pi
->local_port_num
= port
;
666 /* buffer info for FM */
667 pi
->overall_buffer_space
= cpu_to_be16(dd
->link_credits
);
669 pi
->neigh_node_guid
= cpu_to_be64(ppd
->neighbor_guid
);
670 pi
->neigh_port_num
= ppd
->neighbor_port_number
;
671 pi
->port_neigh_mode
=
672 (ppd
->neighbor_type
& OPA_PI_MASK_NEIGH_NODE_TYPE
) |
673 (ppd
->mgmt_allowed
? OPA_PI_MASK_NEIGH_MGMT_ALLOWED
: 0) |
674 (ppd
->neighbor_fm_security
?
675 OPA_PI_MASK_NEIGH_FW_AUTH_BYPASS
: 0);
677 /* HFIs shall always return VL15 credits to their
678 * neighbor in a timely manner, without any credit return pacing.
681 buffer_units
= (dd
->vau
) & OPA_PI_MASK_BUF_UNIT_BUF_ALLOC
;
682 buffer_units
|= (dd
->vcu
<< 3) & OPA_PI_MASK_BUF_UNIT_CREDIT_ACK
;
683 buffer_units
|= (credit_rate
<< 6) &
684 OPA_PI_MASK_BUF_UNIT_VL15_CREDIT_RATE
;
685 buffer_units
|= (dd
->vl15_init
<< 11) & OPA_PI_MASK_BUF_UNIT_VL15_INIT
;
686 pi
->buffer_units
= cpu_to_be32(buffer_units
);
688 pi
->opa_cap_mask
= cpu_to_be16(OPA_CAP_MASK3_IsSharedSpaceSupported
);
690 /* HFI supports a replay buffer 128 LTPs in size */
691 pi
->replay_depth
.buffer
= 0x80;
692 /* read the cached value of DC_LCB_STS_ROUND_TRIP_LTP_CNT */
693 read_lcb_cache(DC_LCB_STS_ROUND_TRIP_LTP_CNT
, &tmp
);
695 /* this counter is 16 bits wide, but the replay_depth.wire
696 * variable is only 8 bits */
699 pi
->replay_depth
.wire
= tmp
;
702 *resp_len
+= sizeof(struct opa_port_info
);
704 return reply((struct ib_mad_hdr
*)smp
);
708 * get_pkeys - return the PKEY table
709 * @dd: the hfi1_ib device
710 * @port: the IB port number
711 * @pkeys: the pkey table is placed here
713 static int get_pkeys(struct hfi1_devdata
*dd
, u8 port
, u16
*pkeys
)
715 struct hfi1_pportdata
*ppd
= dd
->pport
+ port
- 1;
717 memcpy(pkeys
, ppd
->pkeys
, sizeof(ppd
->pkeys
));
722 static int __subn_get_opa_pkeytable(struct opa_smp
*smp
, u32 am
, u8
*data
,
723 struct ib_device
*ibdev
, u8 port
,
726 struct hfi1_devdata
*dd
= dd_from_ibdev(ibdev
);
727 u32 n_blocks_req
= OPA_AM_NBLK(am
);
728 u32 start_block
= am
& 0x7ff;
733 unsigned npkeys
= hfi1_get_npkeys(dd
);
736 if (n_blocks_req
== 0) {
737 pr_warn("OPA Get PKey AM Invalid : P = %d; B = 0x%x; N = 0x%x\n",
738 port
, start_block
, n_blocks_req
);
739 smp
->status
|= IB_SMP_INVALID_FIELD
;
740 return reply((struct ib_mad_hdr
*)smp
);
743 n_blocks_avail
= (u16
) (npkeys
/OPA_PARTITION_TABLE_BLK_SIZE
) + 1;
745 size
= (n_blocks_req
* OPA_PARTITION_TABLE_BLK_SIZE
) * sizeof(u16
);
747 if (start_block
+ n_blocks_req
> n_blocks_avail
||
748 n_blocks_req
> OPA_NUM_PKEY_BLOCKS_PER_SMP
) {
749 pr_warn("OPA Get PKey AM Invalid : s 0x%x; req 0x%x; "
750 "avail 0x%x; blk/smp 0x%lx\n",
751 start_block
, n_blocks_req
, n_blocks_avail
,
752 OPA_NUM_PKEY_BLOCKS_PER_SMP
);
753 smp
->status
|= IB_SMP_INVALID_FIELD
;
754 return reply((struct ib_mad_hdr
*)smp
);
759 /* get the real pkeys if we are requesting the first block */
760 if (start_block
== 0) {
761 get_pkeys(dd
, port
, q
);
762 for (i
= 0; i
< npkeys
; i
++)
763 p
[i
] = cpu_to_be16(q
[i
]);
767 smp
->status
|= IB_SMP_INVALID_FIELD
;
769 return reply((struct ib_mad_hdr
*)smp
);
773 HFI_TRANSITION_DISALLOWED
,
774 HFI_TRANSITION_IGNORED
,
775 HFI_TRANSITION_ALLOWED
,
776 HFI_TRANSITION_UNDEFINED
,
780 * Use shortened names to improve readability of
781 * {logical,physical}_state_transitions
784 __D
= HFI_TRANSITION_DISALLOWED
,
785 __I
= HFI_TRANSITION_IGNORED
,
786 __A
= HFI_TRANSITION_ALLOWED
,
787 __U
= HFI_TRANSITION_UNDEFINED
,
791 * IB_PORTPHYSSTATE_POLLING (2) through OPA_PORTPHYSSTATE_MAX (11) are
792 * represented in physical_state_transitions.
794 #define __N_PHYSTATES (OPA_PORTPHYSSTATE_MAX - IB_PORTPHYSSTATE_POLLING + 1)
797 * Within physical_state_transitions, rows represent "old" states,
798 * columns "new" states, and physical_state_transitions.allowed[old][new]
799 * indicates if the transition from old state to new state is legal (see
800 * OPAg1v1, Table 6-4).
802 static const struct {
803 u8 allowed
[__N_PHYSTATES
][__N_PHYSTATES
];
804 } physical_state_transitions
= {
806 /* 2 3 4 5 6 7 8 9 10 11 */
807 /* 2 */ { __A
, __A
, __D
, __D
, __D
, __D
, __D
, __D
, __D
, __D
},
808 /* 3 */ { __A
, __I
, __D
, __D
, __D
, __D
, __D
, __D
, __D
, __A
},
809 /* 4 */ { __U
, __U
, __U
, __U
, __U
, __U
, __U
, __U
, __U
, __U
},
810 /* 5 */ { __A
, __A
, __D
, __I
, __D
, __D
, __D
, __D
, __D
, __D
},
811 /* 6 */ { __U
, __U
, __U
, __U
, __U
, __U
, __U
, __U
, __U
, __U
},
812 /* 7 */ { __D
, __A
, __D
, __D
, __D
, __I
, __D
, __D
, __D
, __D
},
813 /* 8 */ { __U
, __U
, __U
, __U
, __U
, __U
, __U
, __U
, __U
, __U
},
814 /* 9 */ { __I
, __A
, __D
, __D
, __D
, __D
, __D
, __I
, __D
, __D
},
815 /*10 */ { __U
, __U
, __U
, __U
, __U
, __U
, __U
, __U
, __U
, __U
},
816 /*11 */ { __D
, __A
, __D
, __D
, __D
, __D
, __D
, __D
, __D
, __I
},
821 * IB_PORT_DOWN (1) through IB_PORT_ACTIVE_DEFER (5) are represented
822 * logical_state_transitions
825 #define __N_LOGICAL_STATES (IB_PORT_ACTIVE_DEFER - IB_PORT_DOWN + 1)
828 * Within logical_state_transitions rows represent "old" states,
829 * columns "new" states, and logical_state_transitions.allowed[old][new]
830 * indicates if the transition from old state to new state is legal (see
831 * OPAg1v1, Table 9-12).
833 static const struct {
834 u8 allowed
[__N_LOGICAL_STATES
][__N_LOGICAL_STATES
];
835 } logical_state_transitions
= {
838 /* 1 */ { __I
, __D
, __D
, __D
, __U
},
839 /* 2 */ { __D
, __I
, __A
, __D
, __U
},
840 /* 3 */ { __D
, __D
, __I
, __A
, __U
},
841 /* 4 */ { __D
, __D
, __I
, __I
, __U
},
842 /* 5 */ { __U
, __U
, __U
, __U
, __U
},
846 static int logical_transition_allowed(int old
, int new)
848 if (old
< IB_PORT_NOP
|| old
> IB_PORT_ACTIVE_DEFER
||
849 new < IB_PORT_NOP
|| new > IB_PORT_ACTIVE_DEFER
) {
850 pr_warn("invalid logical state(s) (old %d new %d)\n",
852 return HFI_TRANSITION_UNDEFINED
;
855 if (new == IB_PORT_NOP
)
856 return HFI_TRANSITION_ALLOWED
; /* always allowed */
858 /* adjust states for indexing into logical_state_transitions */
862 if (old
< 0 || new < 0)
863 return HFI_TRANSITION_UNDEFINED
;
864 return logical_state_transitions
.allowed
[old
][new];
867 static int physical_transition_allowed(int old
, int new)
869 if (old
< IB_PORTPHYSSTATE_NOP
|| old
> OPA_PORTPHYSSTATE_MAX
||
870 new < IB_PORTPHYSSTATE_NOP
|| new > OPA_PORTPHYSSTATE_MAX
) {
871 pr_warn("invalid physical state(s) (old %d new %d)\n",
873 return HFI_TRANSITION_UNDEFINED
;
876 if (new == IB_PORTPHYSSTATE_NOP
)
877 return HFI_TRANSITION_ALLOWED
; /* always allowed */
879 /* adjust states for indexing into physical_state_transitions */
880 old
-= IB_PORTPHYSSTATE_POLLING
;
881 new -= IB_PORTPHYSSTATE_POLLING
;
883 if (old
< 0 || new < 0)
884 return HFI_TRANSITION_UNDEFINED
;
885 return physical_state_transitions
.allowed
[old
][new];
888 static int port_states_transition_allowed(struct hfi1_pportdata
*ppd
,
889 u32 logical_new
, u32 physical_new
)
891 u32 physical_old
= driver_physical_state(ppd
);
892 u32 logical_old
= driver_logical_state(ppd
);
893 int ret
, logical_allowed
, physical_allowed
;
895 logical_allowed
= ret
=
896 logical_transition_allowed(logical_old
, logical_new
);
898 if (ret
== HFI_TRANSITION_DISALLOWED
||
899 ret
== HFI_TRANSITION_UNDEFINED
) {
900 pr_warn("invalid logical state transition %s -> %s\n",
901 opa_lstate_name(logical_old
),
902 opa_lstate_name(logical_new
));
906 physical_allowed
= ret
=
907 physical_transition_allowed(physical_old
, physical_new
);
909 if (ret
== HFI_TRANSITION_DISALLOWED
||
910 ret
== HFI_TRANSITION_UNDEFINED
) {
911 pr_warn("invalid physical state transition %s -> %s\n",
912 opa_pstate_name(physical_old
),
913 opa_pstate_name(physical_new
));
917 if (logical_allowed
== HFI_TRANSITION_IGNORED
&&
918 physical_allowed
== HFI_TRANSITION_IGNORED
)
919 return HFI_TRANSITION_IGNORED
;
922 * A change request of Physical Port State from
923 * 'Offline' to 'Polling' should be ignored.
925 if ((physical_old
== OPA_PORTPHYSSTATE_OFFLINE
) &&
926 (physical_new
== IB_PORTPHYSSTATE_POLLING
))
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 HFI1_ODR_MASK(OPA_LINKDOWN_REASON_SMA_DISABLED
) ||
994 ppd
->offline_disabled_reason
==
995 HFI1_ODR_MASK(OPA_LINKDOWN_REASON_NONE
)))
996 ppd
->offline_disabled_reason
=
997 HFI1_ODR_MASK(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
->rvp
.mkey
= pi
->mkey
;
1094 ibp
->rvp
.gid_prefix
= pi
->subnet_prefix
;
1095 ibp
->rvp
.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
>= be16_to_cpu(IB_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
>= be16_to_cpu(IB_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
->rvp
.sm_lid
|| msl
!= ibp
->rvp
.sm_sl
) {
1136 pr_warn("SubnSet(OPA_PortInfo) smlid 0x%x\n", smlid
);
1137 spin_lock_irqsave(&ibp
->rvp
.lock
, flags
);
1138 if (ibp
->rvp
.sm_ah
) {
1139 if (smlid
!= ibp
->rvp
.sm_lid
)
1140 ibp
->rvp
.sm_ah
->attr
.dlid
= smlid
;
1141 if (msl
!= ibp
->rvp
.sm_sl
)
1142 ibp
->rvp
.sm_ah
->attr
.sl
= msl
;
1144 spin_unlock_irqrestore(&ibp
->rvp
.lock
, flags
);
1145 if (smlid
!= ibp
->rvp
.sm_lid
)
1146 ibp
->rvp
.sm_lid
= smlid
;
1147 if (msl
!= ibp
->rvp
.sm_sl
)
1148 ibp
->rvp
.sm_sl
= msl
;
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
;
1201 (pi
->mkeyprotect_lmc
& OPA_PI_MASK_MKEY_PROT_BIT
) >> 6;
1202 ibp
->rvp
.vl_high_limit
= be16_to_cpu(pi
->vl
.high_limit
) & 0xFF;
1203 (void)hfi1_set_ib_cfg(ppd
, HFI1_IB_CFG_VL_HIGH_LIMIT
,
1204 ibp
->rvp
.vl_high_limit
);
1206 if (ppd
->vls_supported
/2 > ARRAY_SIZE(pi
->neigh_mtu
.pvlx_to_mtu
) ||
1207 ppd
->vls_supported
> ARRAY_SIZE(dd
->vld
)) {
1208 smp
->status
|= IB_SMP_INVALID_FIELD
;
1209 return reply((struct ib_mad_hdr
*)smp
);
1211 for (i
= 0; i
< ppd
->vls_supported
; i
++) {
1213 mtu
= enum_to_mtu((pi
->neigh_mtu
.pvlx_to_mtu
[i
/2] >> 4)
1216 mtu
= enum_to_mtu(pi
->neigh_mtu
.pvlx_to_mtu
[i
/2] & 0xF);
1217 if (mtu
== 0xffff) {
1218 pr_warn("SubnSet(OPA_PortInfo) mtu invalid %d (0x%x)\n",
1220 (pi
->neigh_mtu
.pvlx_to_mtu
[0] >> 4) & 0xF);
1221 smp
->status
|= IB_SMP_INVALID_FIELD
;
1222 mtu
= hfi1_max_mtu
; /* use a valid MTU */
1224 if (dd
->vld
[i
].mtu
!= mtu
) {
1226 "MTU change on vl %d from %d to %d\n",
1227 i
, dd
->vld
[i
].mtu
, mtu
);
1228 dd
->vld
[i
].mtu
= mtu
;
1232 /* As per OPAV1 spec: VL15 must support and be configured
1233 * for operation with a 2048 or larger MTU.
1235 mtu
= enum_to_mtu(pi
->neigh_mtu
.pvlx_to_mtu
[15/2] & 0xF);
1236 if (mtu
< 2048 || mtu
== 0xffff)
1238 if (dd
->vld
[15].mtu
!= mtu
) {
1240 "MTU change on vl 15 from %d to %d\n",
1241 dd
->vld
[15].mtu
, mtu
);
1242 dd
->vld
[15].mtu
= mtu
;
1248 /* Set operational VLs */
1249 vls
= pi
->operational_vls
& OPA_PI_MASK_OPERATIONAL_VL
;
1251 if (vls
> ppd
->vls_supported
) {
1252 pr_warn("SubnSet(OPA_PortInfo) VL's supported invalid %d\n",
1253 pi
->operational_vls
);
1254 smp
->status
|= IB_SMP_INVALID_FIELD
;
1256 if (hfi1_set_ib_cfg(ppd
, HFI1_IB_CFG_OP_VLS
,
1258 smp
->status
|= IB_SMP_INVALID_FIELD
;
1262 if (pi
->mkey_violations
== 0)
1263 ibp
->rvp
.mkey_violations
= 0;
1265 if (pi
->pkey_violations
== 0)
1266 ibp
->rvp
.pkey_violations
= 0;
1268 if (pi
->qkey_violations
== 0)
1269 ibp
->rvp
.qkey_violations
= 0;
1271 ibp
->rvp
.subnet_timeout
=
1272 pi
->clientrereg_subnettimeout
& OPA_PI_MASK_SUBNET_TIMEOUT
;
1274 crc_enabled
= be16_to_cpu(pi
->port_ltp_crc_mode
);
1278 if (crc_enabled
!= 0)
1279 ppd
->port_crc_mode_enabled
= port_ltp_to_cap(crc_enabled
);
1281 ppd
->is_active_optimize_enabled
=
1282 !!(be16_to_cpu(pi
->port_mode
)
1283 & OPA_PI_MASK_PORT_ACTIVE_OPTOMIZE
);
1285 ls_new
= pi
->port_states
.portphysstate_portstate
&
1286 OPA_PI_MASK_PORT_STATE
;
1287 ps_new
= (pi
->port_states
.portphysstate_portstate
&
1288 OPA_PI_MASK_PORT_PHYSICAL_STATE
) >> 4;
1290 if (ls_old
== IB_PORT_INIT
) {
1291 if (start_of_sm_config
) {
1292 if (ls_new
== ls_old
|| (ls_new
== IB_PORT_ARMED
))
1293 ppd
->is_sm_config_started
= 1;
1294 } else if (ls_new
== IB_PORT_ARMED
) {
1295 if (ppd
->is_sm_config_started
== 0)
1300 /* Handle CLIENT_REREGISTER event b/c SM asked us for it */
1302 event
.event
= IB_EVENT_CLIENT_REREGISTER
;
1303 ib_dispatch_event(&event
);
1307 * Do the port state change now that the other link parameters
1309 * Changing the port physical state only makes sense if the link
1310 * is down or is being set to down.
1313 ret
= set_port_states(ppd
, smp
, ls_new
, ps_new
, invalid
);
1317 ret
= __subn_get_opa_portinfo(smp
, am
, data
, ibdev
, port
, resp_len
);
1319 /* restore re-reg bit per o14-12.2.1 */
1320 pi
->clientrereg_subnettimeout
|= clientrereg
;
1323 * Apply the new link downgrade policy. This may result in a link
1324 * bounce. Do this after everything else so things are settled.
1325 * Possible problem: if setting the port state above fails, then
1326 * the policy change is not applied.
1328 if (call_link_downgrade_policy
)
1329 apply_link_downgrade_policy(ppd
, 0);
1334 return __subn_get_opa_portinfo(smp
, am
, data
, ibdev
, port
, resp_len
);
1338 * set_pkeys - set the PKEY table for ctxt 0
1339 * @dd: the hfi1_ib device
1340 * @port: the IB port number
1341 * @pkeys: the PKEY table
1343 static int set_pkeys(struct hfi1_devdata
*dd
, u8 port
, u16
*pkeys
)
1345 struct hfi1_pportdata
*ppd
;
1348 int update_includes_mgmt_partition
= 0;
1351 * IB port one/two always maps to context zero/one,
1352 * always a kernel context, no locking needed
1353 * If we get here with ppd setup, no need to check
1354 * that rcd is valid.
1356 ppd
= dd
->pport
+ (port
- 1);
1358 * If the update does not include the management pkey, don't do it.
1360 for (i
= 0; i
< ARRAY_SIZE(ppd
->pkeys
); i
++) {
1361 if (pkeys
[i
] == LIM_MGMT_P_KEY
) {
1362 update_includes_mgmt_partition
= 1;
1367 if (!update_includes_mgmt_partition
)
1370 for (i
= 0; i
< ARRAY_SIZE(ppd
->pkeys
); i
++) {
1372 u16 okey
= ppd
->pkeys
[i
];
1377 * The SM gives us the complete PKey table. We have
1378 * to ensure that we put the PKeys in the matching
1381 ppd
->pkeys
[i
] = key
;
1386 struct ib_event event
;
1388 (void)hfi1_set_ib_cfg(ppd
, HFI1_IB_CFG_PKEYS
, 0);
1390 event
.event
= IB_EVENT_PKEY_CHANGE
;
1391 event
.device
= &dd
->verbs_dev
.rdi
.ibdev
;
1392 event
.element
.port_num
= port
;
1393 ib_dispatch_event(&event
);
1398 static int __subn_set_opa_pkeytable(struct opa_smp
*smp
, u32 am
, u8
*data
,
1399 struct ib_device
*ibdev
, u8 port
,
1402 struct hfi1_devdata
*dd
= dd_from_ibdev(ibdev
);
1403 u32 n_blocks_sent
= OPA_AM_NBLK(am
);
1404 u32 start_block
= am
& 0x7ff;
1405 u16
*p
= (u16
*) data
;
1406 __be16
*q
= (__be16
*)data
;
1409 unsigned npkeys
= hfi1_get_npkeys(dd
);
1411 if (n_blocks_sent
== 0) {
1412 pr_warn("OPA Get PKey AM Invalid : P = %d; B = 0x%x; N = 0x%x\n",
1413 port
, start_block
, n_blocks_sent
);
1414 smp
->status
|= IB_SMP_INVALID_FIELD
;
1415 return reply((struct ib_mad_hdr
*)smp
);
1418 n_blocks_avail
= (u16
)(npkeys
/OPA_PARTITION_TABLE_BLK_SIZE
) + 1;
1420 if (start_block
+ n_blocks_sent
> n_blocks_avail
||
1421 n_blocks_sent
> OPA_NUM_PKEY_BLOCKS_PER_SMP
) {
1422 pr_warn("OPA Set PKey AM Invalid : s 0x%x; req 0x%x; avail 0x%x; blk/smp 0x%lx\n",
1423 start_block
, n_blocks_sent
, n_blocks_avail
,
1424 OPA_NUM_PKEY_BLOCKS_PER_SMP
);
1425 smp
->status
|= IB_SMP_INVALID_FIELD
;
1426 return reply((struct ib_mad_hdr
*)smp
);
1429 for (i
= 0; i
< n_blocks_sent
* OPA_PARTITION_TABLE_BLK_SIZE
; i
++)
1430 p
[i
] = be16_to_cpu(q
[i
]);
1432 if (start_block
== 0 && set_pkeys(dd
, port
, p
) != 0) {
1433 smp
->status
|= IB_SMP_INVALID_FIELD
;
1434 return reply((struct ib_mad_hdr
*)smp
);
1437 return __subn_get_opa_pkeytable(smp
, am
, data
, ibdev
, port
, resp_len
);
1440 static int get_sc2vlt_tables(struct hfi1_devdata
*dd
, void *data
)
1444 *val
++ = read_csr(dd
, SEND_SC2VLT0
);
1445 *val
++ = read_csr(dd
, SEND_SC2VLT1
);
1446 *val
++ = read_csr(dd
, SEND_SC2VLT2
);
1447 *val
++ = read_csr(dd
, SEND_SC2VLT3
);
1451 #define ILLEGAL_VL 12
1453 * filter_sc2vlt changes mappings to VL15 to ILLEGAL_VL (except
1454 * for SC15, which must map to VL15). If we don't remap things this
1455 * way it is possible for VL15 counters to increment when we try to
1456 * send on a SC which is mapped to an invalid VL.
1458 static void filter_sc2vlt(void *data
)
1463 for (i
= 0; i
< OPA_MAX_SCS
; i
++) {
1466 if ((pd
[i
] & 0x1f) == 0xf)
1471 static int set_sc2vlt_tables(struct hfi1_devdata
*dd
, void *data
)
1475 filter_sc2vlt(data
);
1477 write_csr(dd
, SEND_SC2VLT0
, *val
++);
1478 write_csr(dd
, SEND_SC2VLT1
, *val
++);
1479 write_csr(dd
, SEND_SC2VLT2
, *val
++);
1480 write_csr(dd
, SEND_SC2VLT3
, *val
++);
1481 write_seqlock_irq(&dd
->sc2vl_lock
);
1482 memcpy(dd
->sc2vl
, data
, sizeof(dd
->sc2vl
));
1483 write_sequnlock_irq(&dd
->sc2vl_lock
);
1487 static int __subn_get_opa_sl_to_sc(struct opa_smp
*smp
, u32 am
, u8
*data
,
1488 struct ib_device
*ibdev
, u8 port
,
1491 struct hfi1_ibport
*ibp
= to_iport(ibdev
, port
);
1493 size_t size
= ARRAY_SIZE(ibp
->sl_to_sc
); /* == 32 */
1497 smp
->status
|= IB_SMP_INVALID_FIELD
;
1498 return reply((struct ib_mad_hdr
*)smp
);
1501 for (i
= 0; i
< ARRAY_SIZE(ibp
->sl_to_sc
); i
++)
1502 *p
++ = ibp
->sl_to_sc
[i
];
1507 return reply((struct ib_mad_hdr
*)smp
);
1510 static int __subn_set_opa_sl_to_sc(struct opa_smp
*smp
, u32 am
, u8
*data
,
1511 struct ib_device
*ibdev
, u8 port
,
1514 struct hfi1_ibport
*ibp
= to_iport(ibdev
, port
);
1519 smp
->status
|= IB_SMP_INVALID_FIELD
;
1520 return reply((struct ib_mad_hdr
*)smp
);
1523 for (i
= 0; i
< ARRAY_SIZE(ibp
->sl_to_sc
); i
++)
1524 ibp
->sl_to_sc
[i
] = *p
++;
1526 return __subn_get_opa_sl_to_sc(smp
, am
, data
, ibdev
, port
, resp_len
);
1529 static int __subn_get_opa_sc_to_sl(struct opa_smp
*smp
, u32 am
, u8
*data
,
1530 struct ib_device
*ibdev
, u8 port
,
1533 struct hfi1_ibport
*ibp
= to_iport(ibdev
, port
);
1535 size_t size
= ARRAY_SIZE(ibp
->sc_to_sl
); /* == 32 */
1539 smp
->status
|= IB_SMP_INVALID_FIELD
;
1540 return reply((struct ib_mad_hdr
*)smp
);
1543 for (i
= 0; i
< ARRAY_SIZE(ibp
->sc_to_sl
); i
++)
1544 *p
++ = ibp
->sc_to_sl
[i
];
1549 return reply((struct ib_mad_hdr
*)smp
);
1552 static int __subn_set_opa_sc_to_sl(struct opa_smp
*smp
, u32 am
, u8
*data
,
1553 struct ib_device
*ibdev
, u8 port
,
1556 struct hfi1_ibport
*ibp
= to_iport(ibdev
, port
);
1561 smp
->status
|= IB_SMP_INVALID_FIELD
;
1562 return reply((struct ib_mad_hdr
*)smp
);
1565 for (i
= 0; i
< ARRAY_SIZE(ibp
->sc_to_sl
); i
++)
1566 ibp
->sc_to_sl
[i
] = *p
++;
1568 return __subn_get_opa_sc_to_sl(smp
, am
, data
, ibdev
, port
, resp_len
);
1571 static int __subn_get_opa_sc_to_vlt(struct opa_smp
*smp
, u32 am
, u8
*data
,
1572 struct ib_device
*ibdev
, u8 port
,
1575 u32 n_blocks
= OPA_AM_NBLK(am
);
1576 struct hfi1_devdata
*dd
= dd_from_ibdev(ibdev
);
1577 void *vp
= (void *) data
;
1578 size_t size
= 4 * sizeof(u64
);
1580 if (n_blocks
!= 1) {
1581 smp
->status
|= IB_SMP_INVALID_FIELD
;
1582 return reply((struct ib_mad_hdr
*)smp
);
1585 get_sc2vlt_tables(dd
, vp
);
1590 return reply((struct ib_mad_hdr
*)smp
);
1593 static int __subn_set_opa_sc_to_vlt(struct opa_smp
*smp
, u32 am
, u8
*data
,
1594 struct ib_device
*ibdev
, u8 port
,
1597 u32 n_blocks
= OPA_AM_NBLK(am
);
1598 int async_update
= OPA_AM_ASYNC(am
);
1599 struct hfi1_devdata
*dd
= dd_from_ibdev(ibdev
);
1600 void *vp
= (void *) data
;
1601 struct hfi1_pportdata
*ppd
;
1604 if (n_blocks
!= 1 || async_update
) {
1605 smp
->status
|= IB_SMP_INVALID_FIELD
;
1606 return reply((struct ib_mad_hdr
*)smp
);
1609 /* IB numbers ports from 1, hw from 0 */
1610 ppd
= dd
->pport
+ (port
- 1);
1611 lstate
= driver_lstate(ppd
);
1612 /* it's known that async_update is 0 by this point, but include
1613 * the explicit check for clarity */
1614 if (!async_update
&&
1615 (lstate
== IB_PORT_ARMED
|| lstate
== IB_PORT_ACTIVE
)) {
1616 smp
->status
|= IB_SMP_INVALID_FIELD
;
1617 return reply((struct ib_mad_hdr
*)smp
);
1620 set_sc2vlt_tables(dd
, vp
);
1622 return __subn_get_opa_sc_to_vlt(smp
, am
, data
, ibdev
, port
, resp_len
);
1625 static int __subn_get_opa_sc_to_vlnt(struct opa_smp
*smp
, u32 am
, u8
*data
,
1626 struct ib_device
*ibdev
, u8 port
,
1629 u32 n_blocks
= OPA_AM_NPORT(am
);
1630 struct hfi1_devdata
*dd
= dd_from_ibdev(ibdev
);
1631 struct hfi1_pportdata
*ppd
;
1632 void *vp
= (void *) data
;
1635 if (n_blocks
!= 1) {
1636 smp
->status
|= IB_SMP_INVALID_FIELD
;
1637 return reply((struct ib_mad_hdr
*)smp
);
1640 ppd
= dd
->pport
+ (port
- 1);
1642 size
= fm_get_table(ppd
, FM_TBL_SC2VLNT
, vp
);
1647 return reply((struct ib_mad_hdr
*)smp
);
1650 static int __subn_set_opa_sc_to_vlnt(struct opa_smp
*smp
, u32 am
, u8
*data
,
1651 struct ib_device
*ibdev
, u8 port
,
1654 u32 n_blocks
= OPA_AM_NPORT(am
);
1655 struct hfi1_devdata
*dd
= dd_from_ibdev(ibdev
);
1656 struct hfi1_pportdata
*ppd
;
1657 void *vp
= (void *) data
;
1660 if (n_blocks
!= 1) {
1661 smp
->status
|= IB_SMP_INVALID_FIELD
;
1662 return reply((struct ib_mad_hdr
*)smp
);
1665 /* IB numbers ports from 1, hw from 0 */
1666 ppd
= dd
->pport
+ (port
- 1);
1667 lstate
= driver_lstate(ppd
);
1668 if (lstate
== IB_PORT_ARMED
|| lstate
== IB_PORT_ACTIVE
) {
1669 smp
->status
|= IB_SMP_INVALID_FIELD
;
1670 return reply((struct ib_mad_hdr
*)smp
);
1673 ppd
= dd
->pport
+ (port
- 1);
1675 fm_set_table(ppd
, FM_TBL_SC2VLNT
, vp
);
1677 return __subn_get_opa_sc_to_vlnt(smp
, am
, data
, ibdev
, port
,
1681 static int __subn_get_opa_psi(struct opa_smp
*smp
, u32 am
, u8
*data
,
1682 struct ib_device
*ibdev
, u8 port
,
1685 u32 nports
= OPA_AM_NPORT(am
);
1686 u32 start_of_sm_config
= OPA_AM_START_SM_CFG(am
);
1688 struct hfi1_ibport
*ibp
;
1689 struct hfi1_pportdata
*ppd
;
1690 struct opa_port_state_info
*psi
= (struct opa_port_state_info
*) data
;
1693 smp
->status
|= IB_SMP_INVALID_FIELD
;
1694 return reply((struct ib_mad_hdr
*)smp
);
1697 ibp
= to_iport(ibdev
, port
);
1698 ppd
= ppd_from_ibp(ibp
);
1700 lstate
= driver_lstate(ppd
);
1702 if (start_of_sm_config
&& (lstate
== IB_PORT_INIT
))
1703 ppd
->is_sm_config_started
= 1;
1705 #if PI_LED_ENABLE_SUP
1706 psi
->port_states
.ledenable_offlinereason
= ppd
->neighbor_normal
<< 4;
1707 psi
->port_states
.ledenable_offlinereason
|=
1708 ppd
->is_sm_config_started
<< 5;
1709 psi
->port_states
.ledenable_offlinereason
|=
1710 ppd
->offline_disabled_reason
;
1712 psi
->port_states
.offline_reason
= ppd
->neighbor_normal
<< 4;
1713 psi
->port_states
.offline_reason
|= ppd
->is_sm_config_started
<< 5;
1714 psi
->port_states
.offline_reason
|= ppd
->offline_disabled_reason
;
1715 #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 cpu_to_be16(ppd
->link_width_downgrade_tx_active
);
1721 psi
->link_width_downgrade_rx_active
=
1722 cpu_to_be16(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 BIT(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 #define MSK_LLI 0x000000f0
2080 #define MSK_LLI_SFT 4
2081 #define MSK_LER 0x0000000f
2082 #define MSK_LER_SFT 0
2086 /* Request contains first three fields, response contains those plus the rest */
2087 struct opa_port_data_counters_msg
{
2088 __be64 port_select_mask
[4];
2089 __be32 vl_select_mask
;
2092 /* Response fields follow */
2093 struct _port_dctrs
{
2096 __be32 link_quality_indicator
; /* 29res, 3bit */
2099 __be64 port_xmit_data
;
2100 __be64 port_rcv_data
;
2101 __be64 port_xmit_pkts
;
2102 __be64 port_rcv_pkts
;
2103 __be64 port_multicast_xmit_pkts
;
2104 __be64 port_multicast_rcv_pkts
;
2105 __be64 port_xmit_wait
;
2106 __be64 sw_port_congestion
;
2107 __be64 port_rcv_fecn
;
2108 __be64 port_rcv_becn
;
2109 __be64 port_xmit_time_cong
;
2110 __be64 port_xmit_wasted_bw
;
2111 __be64 port_xmit_wait_data
;
2112 __be64 port_rcv_bubble
;
2113 __be64 port_mark_fecn
;
2115 __be64 port_error_counter_summary
;
2116 /* Sum of error counts/port */
2119 /* per-VL Data counters */
2120 __be64 port_vl_xmit_data
;
2121 __be64 port_vl_rcv_data
;
2122 __be64 port_vl_xmit_pkts
;
2123 __be64 port_vl_rcv_pkts
;
2124 __be64 port_vl_xmit_wait
;
2125 __be64 sw_port_vl_congestion
;
2126 __be64 port_vl_rcv_fecn
;
2127 __be64 port_vl_rcv_becn
;
2128 __be64 port_xmit_time_cong
;
2129 __be64 port_vl_xmit_wasted_bw
;
2130 __be64 port_vl_xmit_wait_data
;
2131 __be64 port_vl_rcv_bubble
;
2132 __be64 port_vl_mark_fecn
;
2134 /* array size defined by #bits set in vl_select_mask*/
2135 } port
[1]; /* array size defined by #ports in attribute modifier */
2138 struct opa_port_error_counters64_msg
{
2139 /* Request contains first two fields, response contains the
2141 __be64 port_select_mask
[4];
2142 __be32 vl_select_mask
;
2144 /* Response-only fields follow */
2146 struct _port_ectrs
{
2149 __be64 port_rcv_constraint_errors
;
2150 __be64 port_rcv_switch_relay_errors
;
2151 __be64 port_xmit_discards
;
2152 __be64 port_xmit_constraint_errors
;
2153 __be64 port_rcv_remote_physical_errors
;
2154 __be64 local_link_integrity_errors
;
2155 __be64 port_rcv_errors
;
2156 __be64 excessive_buffer_overruns
;
2157 __be64 fm_config_errors
;
2158 __be32 link_error_recovery
;
2160 u8 uncorrectable_errors
;
2163 __be64 port_vl_xmit_discards
;
2165 /* array size defined by #bits set in vl_select_mask */
2166 } port
[1]; /* array size defined by #ports in attribute modifier */
2169 struct opa_port_error_info_msg
{
2170 __be64 port_select_mask
[4];
2171 __be32 error_info_select_mask
;
2178 /* PortRcvErrorInfo */
2184 /* EI1to12 format */
2187 u8 remaining_flit_bits12
;
2191 u8 remaining_flit_bits
;
2195 } __packed port_rcv_ei
;
2197 /* ExcessiveBufferOverrunInfo */
2201 } __packed excessive_buffer_overrun_ei
;
2203 /* PortXmitConstraintErrorInfo */
2209 } __packed port_xmit_constraint_ei
;
2211 /* PortRcvConstraintErrorInfo */
2217 } __packed port_rcv_constraint_ei
;
2219 /* PortRcvSwitchRelayErrorInfo */
2224 } __packed port_rcv_switch_relay_ei
;
2226 /* UncorrectableErrorInfo */
2230 } __packed uncorrectable_ei
;
2232 /* FMConfigErrorInfo */
2236 } __packed fm_config_ei
;
2238 } port
[1]; /* actual array size defined by #ports in attr modifier */
2241 /* opa_port_error_info_msg error_info_select_mask bit definitions */
2242 enum error_info_selects
{
2243 ES_PORT_RCV_ERROR_INFO
= (1 << 31),
2244 ES_EXCESSIVE_BUFFER_OVERRUN_INFO
= (1 << 30),
2245 ES_PORT_XMIT_CONSTRAINT_ERROR_INFO
= (1 << 29),
2246 ES_PORT_RCV_CONSTRAINT_ERROR_INFO
= (1 << 28),
2247 ES_PORT_RCV_SWITCH_RELAY_ERROR_INFO
= (1 << 27),
2248 ES_UNCORRECTABLE_ERROR_INFO
= (1 << 26),
2249 ES_FM_CONFIG_ERROR_INFO
= (1 << 25)
2252 static int pma_get_opa_classportinfo(struct opa_pma_mad
*pmp
,
2253 struct ib_device
*ibdev
, u32
*resp_len
)
2255 struct opa_class_port_info
*p
=
2256 (struct opa_class_port_info
*)pmp
->data
;
2258 memset(pmp
->data
, 0, sizeof(pmp
->data
));
2260 if (pmp
->mad_hdr
.attr_mod
!= 0)
2261 pmp
->mad_hdr
.status
|= IB_SMP_INVALID_FIELD
;
2263 p
->base_version
= OPA_MGMT_BASE_VERSION
;
2264 p
->class_version
= OPA_SMI_CLASS_VERSION
;
2266 * Expected response time is 4.096 usec. * 2^18 == 1.073741824 sec.
2268 p
->cap_mask2_resp_time
= cpu_to_be32(18);
2271 *resp_len
+= sizeof(*p
);
2273 return reply((struct ib_mad_hdr
*)pmp
);
2276 static void a0_portstatus(struct hfi1_pportdata
*ppd
,
2277 struct opa_port_status_rsp
*rsp
, u32 vl_select_mask
)
2279 if (!is_bx(ppd
->dd
)) {
2281 u64 sum_vl_xmit_wait
= 0;
2282 u32 vl_all_mask
= VL_MASK_ALL
;
2284 for_each_set_bit(vl
, (unsigned long *)&(vl_all_mask
),
2285 8 * sizeof(vl_all_mask
)) {
2286 u64 tmp
= sum_vl_xmit_wait
+
2287 read_port_cntr(ppd
, C_TX_WAIT_VL
,
2289 if (tmp
< sum_vl_xmit_wait
) {
2291 sum_vl_xmit_wait
= (u64
)~0;
2294 sum_vl_xmit_wait
= tmp
;
2296 if (be64_to_cpu(rsp
->port_xmit_wait
) > sum_vl_xmit_wait
)
2297 rsp
->port_xmit_wait
= cpu_to_be64(sum_vl_xmit_wait
);
2302 static int pma_get_opa_portstatus(struct opa_pma_mad
*pmp
,
2303 struct ib_device
*ibdev
, u8 port
, u32
*resp_len
)
2305 struct opa_port_status_req
*req
=
2306 (struct opa_port_status_req
*)pmp
->data
;
2307 struct hfi1_devdata
*dd
= dd_from_ibdev(ibdev
);
2308 struct opa_port_status_rsp
*rsp
;
2309 u32 vl_select_mask
= be32_to_cpu(req
->vl_select_mask
);
2311 size_t response_data_size
;
2312 u32 nports
= be32_to_cpu(pmp
->mad_hdr
.attr_mod
) >> 24;
2313 u8 port_num
= req
->port_num
;
2314 u8 num_vls
= hweight32(vl_select_mask
);
2315 struct _vls_pctrs
*vlinfo
;
2316 struct hfi1_ibport
*ibp
= to_iport(ibdev
, port
);
2317 struct hfi1_pportdata
*ppd
= ppd_from_ibp(ibp
);
2321 response_data_size
= sizeof(struct opa_port_status_rsp
) +
2322 num_vls
* sizeof(struct _vls_pctrs
);
2323 if (response_data_size
> sizeof(pmp
->data
)) {
2324 pmp
->mad_hdr
.status
|= OPA_PM_STATUS_REQUEST_TOO_LARGE
;
2325 return reply((struct ib_mad_hdr
*)pmp
);
2328 if (nports
!= 1 || (port_num
&& port_num
!= port
)
2329 || num_vls
> OPA_MAX_VLS
|| (vl_select_mask
& ~VL_MASK_ALL
)) {
2330 pmp
->mad_hdr
.status
|= IB_SMP_INVALID_FIELD
;
2331 return reply((struct ib_mad_hdr
*)pmp
);
2334 memset(pmp
->data
, 0, sizeof(pmp
->data
));
2336 rsp
= (struct opa_port_status_rsp
*)pmp
->data
;
2338 rsp
->port_num
= port_num
;
2340 rsp
->port_num
= port
;
2342 rsp
->port_rcv_constraint_errors
=
2343 cpu_to_be64(read_port_cntr(ppd
, C_SW_RCV_CSTR_ERR
,
2346 hfi1_read_link_quality(dd
, &rsp
->link_quality_indicator
);
2348 rsp
->vl_select_mask
= cpu_to_be32(vl_select_mask
);
2349 rsp
->port_xmit_data
= cpu_to_be64(read_dev_cntr(dd
, C_DC_XMIT_FLITS
,
2351 rsp
->port_rcv_data
= cpu_to_be64(read_dev_cntr(dd
, C_DC_RCV_FLITS
,
2353 rsp
->port_xmit_pkts
= cpu_to_be64(read_dev_cntr(dd
, C_DC_XMIT_PKTS
,
2355 rsp
->port_rcv_pkts
= cpu_to_be64(read_dev_cntr(dd
, C_DC_RCV_PKTS
,
2357 rsp
->port_multicast_xmit_pkts
=
2358 cpu_to_be64(read_dev_cntr(dd
, C_DC_MC_XMIT_PKTS
,
2360 rsp
->port_multicast_rcv_pkts
=
2361 cpu_to_be64(read_dev_cntr(dd
, C_DC_MC_RCV_PKTS
,
2363 rsp
->port_xmit_wait
=
2364 cpu_to_be64(read_port_cntr(ppd
, C_TX_WAIT
, CNTR_INVALID_VL
));
2365 rsp
->port_rcv_fecn
=
2366 cpu_to_be64(read_dev_cntr(dd
, C_DC_RCV_FCN
, CNTR_INVALID_VL
));
2367 rsp
->port_rcv_becn
=
2368 cpu_to_be64(read_dev_cntr(dd
, C_DC_RCV_BCN
, CNTR_INVALID_VL
));
2369 rsp
->port_xmit_discards
=
2370 cpu_to_be64(read_port_cntr(ppd
, C_SW_XMIT_DSCD
,
2372 rsp
->port_xmit_constraint_errors
=
2373 cpu_to_be64(read_port_cntr(ppd
, C_SW_XMIT_CSTR_ERR
,
2375 rsp
->port_rcv_remote_physical_errors
=
2376 cpu_to_be64(read_dev_cntr(dd
, C_DC_RMT_PHY_ERR
,
2378 tmp
= read_dev_cntr(dd
, C_DC_RX_REPLAY
, CNTR_INVALID_VL
);
2379 tmp2
= tmp
+ read_dev_cntr(dd
, C_DC_TX_REPLAY
, CNTR_INVALID_VL
);
2381 /* overflow/wrapped */
2382 rsp
->local_link_integrity_errors
= cpu_to_be64(~0);
2384 rsp
->local_link_integrity_errors
= cpu_to_be64(tmp2
);
2386 tmp
= read_dev_cntr(dd
, C_DC_SEQ_CRC_CNT
, CNTR_INVALID_VL
);
2387 tmp2
= tmp
+ read_dev_cntr(dd
, C_DC_REINIT_FROM_PEER_CNT
,
2389 if (tmp2
> (u32
)UINT_MAX
|| tmp2
< tmp
) {
2390 /* overflow/wrapped */
2391 rsp
->link_error_recovery
= cpu_to_be32(~0);
2393 rsp
->link_error_recovery
= cpu_to_be32(tmp2
);
2395 rsp
->port_rcv_errors
=
2396 cpu_to_be64(read_dev_cntr(dd
, C_DC_RCV_ERR
, CNTR_INVALID_VL
));
2397 rsp
->excessive_buffer_overruns
=
2398 cpu_to_be64(read_dev_cntr(dd
, C_RCV_OVF
, CNTR_INVALID_VL
));
2399 rsp
->fm_config_errors
=
2400 cpu_to_be64(read_dev_cntr(dd
, C_DC_FM_CFG_ERR
,
2402 rsp
->link_downed
= cpu_to_be32(read_port_cntr(ppd
, C_SW_LINK_DOWN
,
2405 /* rsp->uncorrectable_errors is 8 bits wide, and it pegs at 0xff */
2406 tmp
= read_dev_cntr(dd
, C_DC_UNC_ERR
, CNTR_INVALID_VL
);
2407 rsp
->uncorrectable_errors
= tmp
< 0x100 ? (tmp
& 0xff) : 0xff;
2409 vlinfo
= &(rsp
->vls
[0]);
2411 /* The vl_select_mask has been checked above, and we know
2412 * that it contains only entries which represent valid VLs.
2413 * So in the for_each_set_bit() loop below, we don't need
2414 * any additional checks for vl.
2416 for_each_set_bit(vl
, (unsigned long *)&(vl_select_mask
),
2417 8 * sizeof(vl_select_mask
)) {
2418 memset(vlinfo
, 0, sizeof(*vlinfo
));
2420 tmp
= read_dev_cntr(dd
, C_DC_RX_FLIT_VL
, idx_from_vl(vl
));
2421 rsp
->vls
[vfi
].port_vl_rcv_data
= cpu_to_be64(tmp
);
2423 rsp
->vls
[vfi
].port_vl_rcv_pkts
=
2424 cpu_to_be64(read_dev_cntr(dd
, C_DC_RX_PKT_VL
,
2427 rsp
->vls
[vfi
].port_vl_xmit_data
=
2428 cpu_to_be64(read_port_cntr(ppd
, C_TX_FLIT_VL
,
2431 rsp
->vls
[vfi
].port_vl_xmit_pkts
=
2432 cpu_to_be64(read_port_cntr(ppd
, C_TX_PKT_VL
,
2435 rsp
->vls
[vfi
].port_vl_xmit_wait
=
2436 cpu_to_be64(read_port_cntr(ppd
, C_TX_WAIT_VL
,
2439 rsp
->vls
[vfi
].port_vl_rcv_fecn
=
2440 cpu_to_be64(read_dev_cntr(dd
, C_DC_RCV_FCN_VL
,
2443 rsp
->vls
[vfi
].port_vl_rcv_becn
=
2444 cpu_to_be64(read_dev_cntr(dd
, C_DC_RCV_BCN_VL
,
2451 a0_portstatus(ppd
, rsp
, vl_select_mask
);
2454 *resp_len
+= response_data_size
;
2456 return reply((struct ib_mad_hdr
*)pmp
);
2459 static u64
get_error_counter_summary(struct ib_device
*ibdev
, u8 port
,
2460 u8 res_lli
, u8 res_ler
)
2462 struct hfi1_devdata
*dd
= dd_from_ibdev(ibdev
);
2463 struct hfi1_ibport
*ibp
= to_iport(ibdev
, port
);
2464 struct hfi1_pportdata
*ppd
= ppd_from_ibp(ibp
);
2465 u64 error_counter_summary
= 0, tmp
;
2467 error_counter_summary
+= read_port_cntr(ppd
, C_SW_RCV_CSTR_ERR
,
2469 /* port_rcv_switch_relay_errors is 0 for HFIs */
2470 error_counter_summary
+= read_port_cntr(ppd
, C_SW_XMIT_DSCD
,
2472 error_counter_summary
+= read_port_cntr(ppd
, C_SW_XMIT_CSTR_ERR
,
2474 error_counter_summary
+= read_dev_cntr(dd
, C_DC_RMT_PHY_ERR
,
2476 /* local link integrity must be right-shifted by the lli resolution */
2477 tmp
= read_dev_cntr(dd
, C_DC_RX_REPLAY
, CNTR_INVALID_VL
);
2478 tmp
+= read_dev_cntr(dd
, C_DC_TX_REPLAY
, CNTR_INVALID_VL
);
2479 error_counter_summary
+= (tmp
>> res_lli
);
2480 /* link error recovery must b right-shifted by the ler resolution */
2481 tmp
= read_dev_cntr(dd
, C_DC_SEQ_CRC_CNT
, CNTR_INVALID_VL
);
2482 tmp
+= read_dev_cntr(dd
, C_DC_REINIT_FROM_PEER_CNT
, CNTR_INVALID_VL
);
2483 error_counter_summary
+= (tmp
>> res_ler
);
2484 error_counter_summary
+= read_dev_cntr(dd
, C_DC_RCV_ERR
,
2486 error_counter_summary
+= read_dev_cntr(dd
, C_RCV_OVF
, CNTR_INVALID_VL
);
2487 error_counter_summary
+= read_dev_cntr(dd
, C_DC_FM_CFG_ERR
,
2489 /* ppd->link_downed is a 32-bit value */
2490 error_counter_summary
+= read_port_cntr(ppd
, C_SW_LINK_DOWN
,
2492 tmp
= read_dev_cntr(dd
, C_DC_UNC_ERR
, CNTR_INVALID_VL
);
2493 /* this is an 8-bit quantity */
2494 error_counter_summary
+= tmp
< 0x100 ? (tmp
& 0xff) : 0xff;
2496 return error_counter_summary
;
2499 static void a0_datacounters(struct hfi1_pportdata
*ppd
, struct _port_dctrs
*rsp
,
2502 if (!is_bx(ppd
->dd
)) {
2504 u64 sum_vl_xmit_wait
= 0;
2505 u32 vl_all_mask
= VL_MASK_ALL
;
2507 for_each_set_bit(vl
, (unsigned long *)&(vl_all_mask
),
2508 8 * sizeof(vl_all_mask
)) {
2509 u64 tmp
= sum_vl_xmit_wait
+
2510 read_port_cntr(ppd
, C_TX_WAIT_VL
,
2512 if (tmp
< sum_vl_xmit_wait
) {
2514 sum_vl_xmit_wait
= (u64
) ~0;
2517 sum_vl_xmit_wait
= tmp
;
2519 if (be64_to_cpu(rsp
->port_xmit_wait
) > sum_vl_xmit_wait
)
2520 rsp
->port_xmit_wait
= cpu_to_be64(sum_vl_xmit_wait
);
2524 static int pma_get_opa_datacounters(struct opa_pma_mad
*pmp
,
2525 struct ib_device
*ibdev
, u8 port
, u32
*resp_len
)
2527 struct opa_port_data_counters_msg
*req
=
2528 (struct opa_port_data_counters_msg
*)pmp
->data
;
2529 struct hfi1_devdata
*dd
= dd_from_ibdev(ibdev
);
2530 struct hfi1_ibport
*ibp
= to_iport(ibdev
, port
);
2531 struct hfi1_pportdata
*ppd
= ppd_from_ibp(ibp
);
2532 struct _port_dctrs
*rsp
;
2533 struct _vls_dctrs
*vlinfo
;
2534 size_t response_data_size
;
2538 u8 res_lli
, res_ler
;
2540 unsigned long port_num
;
2545 num_ports
= be32_to_cpu(pmp
->mad_hdr
.attr_mod
) >> 24;
2546 num_pslm
= hweight64(be64_to_cpu(req
->port_select_mask
[3]));
2547 num_vls
= hweight32(be32_to_cpu(req
->vl_select_mask
));
2548 vl_select_mask
= be32_to_cpu(req
->vl_select_mask
);
2549 res_lli
= (u8
)(be32_to_cpu(req
->resolution
) & MSK_LLI
) >> MSK_LLI_SFT
;
2550 res_lli
= res_lli
? res_lli
+ ADD_LLI
: 0;
2551 res_ler
= (u8
)(be32_to_cpu(req
->resolution
) & MSK_LER
) >> MSK_LER_SFT
;
2552 res_ler
= res_ler
? res_ler
+ ADD_LER
: 0;
2554 if (num_ports
!= 1 || (vl_select_mask
& ~VL_MASK_ALL
)) {
2555 pmp
->mad_hdr
.status
|= IB_SMP_INVALID_FIELD
;
2556 return reply((struct ib_mad_hdr
*)pmp
);
2560 response_data_size
= sizeof(struct opa_port_data_counters_msg
) +
2561 num_vls
* sizeof(struct _vls_dctrs
);
2563 if (response_data_size
> sizeof(pmp
->data
)) {
2564 pmp
->mad_hdr
.status
|= IB_SMP_INVALID_FIELD
;
2565 return reply((struct ib_mad_hdr
*)pmp
);
2569 * The bit set in the mask needs to be consistent with the
2570 * port the request came in on.
2572 port_mask
= be64_to_cpu(req
->port_select_mask
[3]);
2573 port_num
= find_first_bit((unsigned long *)&port_mask
,
2576 if ((u8
)port_num
!= port
) {
2577 pmp
->mad_hdr
.status
|= IB_SMP_INVALID_FIELD
;
2578 return reply((struct ib_mad_hdr
*)pmp
);
2581 rsp
= (struct _port_dctrs
*)&(req
->port
[0]);
2582 memset(rsp
, 0, sizeof(*rsp
));
2584 rsp
->port_number
= port
;
2586 * Note that link_quality_indicator is a 32 bit quantity in
2587 * 'datacounters' queries (as opposed to 'portinfo' queries,
2588 * where it's a byte).
2590 hfi1_read_link_quality(dd
, &lq
);
2591 rsp
->link_quality_indicator
= cpu_to_be32((u32
)lq
);
2593 /* rsp->sw_port_congestion is 0 for HFIs */
2594 /* rsp->port_xmit_time_cong is 0 for HFIs */
2595 /* rsp->port_xmit_wasted_bw ??? */
2596 /* rsp->port_xmit_wait_data ??? */
2597 /* rsp->port_mark_fecn is 0 for HFIs */
2599 rsp
->port_xmit_data
= cpu_to_be64(read_dev_cntr(dd
, C_DC_XMIT_FLITS
,
2601 rsp
->port_rcv_data
= cpu_to_be64(read_dev_cntr(dd
, C_DC_RCV_FLITS
,
2603 rsp
->port_xmit_pkts
= cpu_to_be64(read_dev_cntr(dd
, C_DC_XMIT_PKTS
,
2605 rsp
->port_rcv_pkts
= cpu_to_be64(read_dev_cntr(dd
, C_DC_RCV_PKTS
,
2607 rsp
->port_multicast_xmit_pkts
=
2608 cpu_to_be64(read_dev_cntr(dd
, C_DC_MC_XMIT_PKTS
,
2610 rsp
->port_multicast_rcv_pkts
=
2611 cpu_to_be64(read_dev_cntr(dd
, C_DC_MC_RCV_PKTS
,
2613 rsp
->port_xmit_wait
=
2614 cpu_to_be64(read_port_cntr(ppd
, C_TX_WAIT
, CNTR_INVALID_VL
));
2615 rsp
->port_rcv_fecn
=
2616 cpu_to_be64(read_dev_cntr(dd
, C_DC_RCV_FCN
, CNTR_INVALID_VL
));
2617 rsp
->port_rcv_becn
=
2618 cpu_to_be64(read_dev_cntr(dd
, C_DC_RCV_BCN
, CNTR_INVALID_VL
));
2620 rsp
->port_error_counter_summary
=
2621 cpu_to_be64(get_error_counter_summary(ibdev
, port
,
2624 vlinfo
= &(rsp
->vls
[0]);
2626 /* The vl_select_mask has been checked above, and we know
2627 * that it contains only entries which represent valid VLs.
2628 * So in the for_each_set_bit() loop below, we don't need
2629 * any additional checks for vl.
2631 for_each_set_bit(vl
, (unsigned long *)&(vl_select_mask
),
2632 8 * sizeof(req
->vl_select_mask
)) {
2633 memset(vlinfo
, 0, sizeof(*vlinfo
));
2635 rsp
->vls
[vfi
].port_vl_xmit_data
=
2636 cpu_to_be64(read_port_cntr(ppd
, C_TX_FLIT_VL
,
2639 rsp
->vls
[vfi
].port_vl_rcv_data
=
2640 cpu_to_be64(read_dev_cntr(dd
, C_DC_RX_FLIT_VL
,
2643 rsp
->vls
[vfi
].port_vl_xmit_pkts
=
2644 cpu_to_be64(read_port_cntr(ppd
, C_TX_PKT_VL
,
2647 rsp
->vls
[vfi
].port_vl_rcv_pkts
=
2648 cpu_to_be64(read_dev_cntr(dd
, C_DC_RX_PKT_VL
,
2651 rsp
->vls
[vfi
].port_vl_xmit_wait
=
2652 cpu_to_be64(read_port_cntr(ppd
, C_TX_WAIT_VL
,
2655 rsp
->vls
[vfi
].port_vl_rcv_fecn
=
2656 cpu_to_be64(read_dev_cntr(dd
, C_DC_RCV_FCN_VL
,
2658 rsp
->vls
[vfi
].port_vl_rcv_becn
=
2659 cpu_to_be64(read_dev_cntr(dd
, C_DC_RCV_BCN_VL
,
2662 /* rsp->port_vl_xmit_time_cong is 0 for HFIs */
2663 /* rsp->port_vl_xmit_wasted_bw ??? */
2664 /* port_vl_xmit_wait_data - TXE (table 13-9 HFI spec) ???
2665 * does this differ from rsp->vls[vfi].port_vl_xmit_wait */
2666 /*rsp->vls[vfi].port_vl_mark_fecn =
2667 cpu_to_be64(read_csr(dd, DCC_PRF_PORT_VL_MARK_FECN_CNT
2674 a0_datacounters(ppd
, rsp
, vl_select_mask
);
2677 *resp_len
+= response_data_size
;
2679 return reply((struct ib_mad_hdr
*)pmp
);
2682 static int pma_get_opa_porterrors(struct opa_pma_mad
*pmp
,
2683 struct ib_device
*ibdev
, u8 port
, u32
*resp_len
)
2685 size_t response_data_size
;
2686 struct _port_ectrs
*rsp
;
2687 unsigned long port_num
;
2688 struct opa_port_error_counters64_msg
*req
;
2689 struct hfi1_devdata
*dd
= dd_from_ibdev(ibdev
);
2693 struct hfi1_ibport
*ibp
;
2694 struct hfi1_pportdata
*ppd
;
2695 struct _vls_ectrs
*vlinfo
;
2697 u64 port_mask
, tmp
, tmp2
;
2701 req
= (struct opa_port_error_counters64_msg
*)pmp
->data
;
2703 num_ports
= be32_to_cpu(pmp
->mad_hdr
.attr_mod
) >> 24;
2705 num_pslm
= hweight64(be64_to_cpu(req
->port_select_mask
[3]));
2706 num_vls
= hweight32(be32_to_cpu(req
->vl_select_mask
));
2708 if (num_ports
!= 1 || num_ports
!= num_pslm
) {
2709 pmp
->mad_hdr
.status
|= IB_SMP_INVALID_FIELD
;
2710 return reply((struct ib_mad_hdr
*)pmp
);
2713 response_data_size
= sizeof(struct opa_port_error_counters64_msg
) +
2714 num_vls
* sizeof(struct _vls_ectrs
);
2716 if (response_data_size
> sizeof(pmp
->data
)) {
2717 pmp
->mad_hdr
.status
|= IB_SMP_INVALID_FIELD
;
2718 return reply((struct ib_mad_hdr
*)pmp
);
2721 * The bit set in the mask needs to be consistent with the
2722 * port the request came in on.
2724 port_mask
= be64_to_cpu(req
->port_select_mask
[3]);
2725 port_num
= find_first_bit((unsigned long *)&port_mask
,
2728 if ((u8
)port_num
!= port
) {
2729 pmp
->mad_hdr
.status
|= IB_SMP_INVALID_FIELD
;
2730 return reply((struct ib_mad_hdr
*)pmp
);
2733 rsp
= (struct _port_ectrs
*)&(req
->port
[0]);
2735 ibp
= to_iport(ibdev
, port_num
);
2736 ppd
= ppd_from_ibp(ibp
);
2738 memset(rsp
, 0, sizeof(*rsp
));
2739 rsp
->port_number
= (u8
)port_num
;
2741 rsp
->port_rcv_constraint_errors
=
2742 cpu_to_be64(read_port_cntr(ppd
, C_SW_RCV_CSTR_ERR
,
2744 /* port_rcv_switch_relay_errors is 0 for HFIs */
2745 rsp
->port_xmit_discards
=
2746 cpu_to_be64(read_port_cntr(ppd
, C_SW_XMIT_DSCD
,
2748 rsp
->port_rcv_remote_physical_errors
=
2749 cpu_to_be64(read_dev_cntr(dd
, C_DC_RMT_PHY_ERR
,
2751 tmp
= read_dev_cntr(dd
, C_DC_RX_REPLAY
, CNTR_INVALID_VL
);
2752 tmp2
= tmp
+ read_dev_cntr(dd
, C_DC_TX_REPLAY
, CNTR_INVALID_VL
);
2754 /* overflow/wrapped */
2755 rsp
->local_link_integrity_errors
= cpu_to_be64(~0);
2757 rsp
->local_link_integrity_errors
= cpu_to_be64(tmp2
);
2759 tmp
= read_dev_cntr(dd
, C_DC_SEQ_CRC_CNT
, CNTR_INVALID_VL
);
2760 tmp2
= tmp
+ read_dev_cntr(dd
, C_DC_REINIT_FROM_PEER_CNT
,
2762 if (tmp2
> (u32
)UINT_MAX
|| tmp2
< tmp
) {
2763 /* overflow/wrapped */
2764 rsp
->link_error_recovery
= cpu_to_be32(~0);
2766 rsp
->link_error_recovery
= cpu_to_be32(tmp2
);
2768 rsp
->port_xmit_constraint_errors
=
2769 cpu_to_be64(read_port_cntr(ppd
, C_SW_XMIT_CSTR_ERR
,
2771 rsp
->excessive_buffer_overruns
=
2772 cpu_to_be64(read_dev_cntr(dd
, C_RCV_OVF
, CNTR_INVALID_VL
));
2773 rsp
->fm_config_errors
=
2774 cpu_to_be64(read_dev_cntr(dd
, C_DC_FM_CFG_ERR
,
2776 rsp
->link_downed
= cpu_to_be32(read_port_cntr(ppd
, C_SW_LINK_DOWN
,
2778 tmp
= read_dev_cntr(dd
, C_DC_UNC_ERR
, CNTR_INVALID_VL
);
2779 rsp
->uncorrectable_errors
= tmp
< 0x100 ? (tmp
& 0xff) : 0xff;
2781 vlinfo
= (struct _vls_ectrs
*)&(rsp
->vls
[0]);
2783 vl_select_mask
= be32_to_cpu(req
->vl_select_mask
);
2784 for_each_set_bit(vl
, (unsigned long *)&(vl_select_mask
),
2785 8 * sizeof(req
->vl_select_mask
)) {
2786 memset(vlinfo
, 0, sizeof(*vlinfo
));
2787 /* vlinfo->vls[vfi].port_vl_xmit_discards ??? */
2793 *resp_len
+= response_data_size
;
2795 return reply((struct ib_mad_hdr
*)pmp
);
2798 static int pma_get_opa_errorinfo(struct opa_pma_mad
*pmp
,
2799 struct ib_device
*ibdev
, u8 port
, u32
*resp_len
)
2801 size_t response_data_size
;
2802 struct _port_ei
*rsp
;
2803 struct opa_port_error_info_msg
*req
;
2804 struct hfi1_devdata
*dd
= dd_from_ibdev(ibdev
);
2807 unsigned long port_num
;
2811 req
= (struct opa_port_error_info_msg
*)pmp
->data
;
2812 rsp
= (struct _port_ei
*)&(req
->port
[0]);
2814 num_ports
= OPA_AM_NPORT(be32_to_cpu(pmp
->mad_hdr
.attr_mod
));
2815 num_pslm
= hweight64(be64_to_cpu(req
->port_select_mask
[3]));
2817 memset(rsp
, 0, sizeof(*rsp
));
2819 if (num_ports
!= 1 || num_ports
!= num_pslm
) {
2820 pmp
->mad_hdr
.status
|= IB_SMP_INVALID_FIELD
;
2821 return reply((struct ib_mad_hdr
*)pmp
);
2825 response_data_size
= sizeof(struct opa_port_error_info_msg
);
2827 if (response_data_size
> sizeof(pmp
->data
)) {
2828 pmp
->mad_hdr
.status
|= IB_SMP_INVALID_FIELD
;
2829 return reply((struct ib_mad_hdr
*)pmp
);
2833 * The bit set in the mask needs to be consistent with the port
2834 * the request came in on.
2836 port_mask
= be64_to_cpu(req
->port_select_mask
[3]);
2837 port_num
= find_first_bit((unsigned long *)&port_mask
,
2840 if ((u8
)port_num
!= port
) {
2841 pmp
->mad_hdr
.status
|= IB_SMP_INVALID_FIELD
;
2842 return reply((struct ib_mad_hdr
*)pmp
);
2845 /* PortRcvErrorInfo */
2846 rsp
->port_rcv_ei
.status_and_code
=
2847 dd
->err_info_rcvport
.status_and_code
;
2848 memcpy(&rsp
->port_rcv_ei
.ei
.ei1to12
.packet_flit1
,
2849 &dd
->err_info_rcvport
.packet_flit1
, sizeof(u64
));
2850 memcpy(&rsp
->port_rcv_ei
.ei
.ei1to12
.packet_flit2
,
2851 &dd
->err_info_rcvport
.packet_flit2
, sizeof(u64
));
2853 /* ExcessiverBufferOverrunInfo */
2854 reg
= read_csr(dd
, RCV_ERR_INFO
);
2855 if (reg
& RCV_ERR_INFO_RCV_EXCESS_BUFFER_OVERRUN_SMASK
) {
2856 /* if the RcvExcessBufferOverrun bit is set, save SC of
2857 * first pkt that encountered an excess buffer overrun */
2860 tmp
&= RCV_ERR_INFO_RCV_EXCESS_BUFFER_OVERRUN_SC_SMASK
;
2862 rsp
->excessive_buffer_overrun_ei
.status_and_sc
= tmp
;
2863 /* set the status bit */
2864 rsp
->excessive_buffer_overrun_ei
.status_and_sc
|= 0x80;
2867 rsp
->port_xmit_constraint_ei
.status
=
2868 dd
->err_info_xmit_constraint
.status
;
2869 rsp
->port_xmit_constraint_ei
.pkey
=
2870 cpu_to_be16(dd
->err_info_xmit_constraint
.pkey
);
2871 rsp
->port_xmit_constraint_ei
.slid
=
2872 cpu_to_be32(dd
->err_info_xmit_constraint
.slid
);
2874 rsp
->port_rcv_constraint_ei
.status
=
2875 dd
->err_info_rcv_constraint
.status
;
2876 rsp
->port_rcv_constraint_ei
.pkey
=
2877 cpu_to_be16(dd
->err_info_rcv_constraint
.pkey
);
2878 rsp
->port_rcv_constraint_ei
.slid
=
2879 cpu_to_be32(dd
->err_info_rcv_constraint
.slid
);
2881 /* UncorrectableErrorInfo */
2882 rsp
->uncorrectable_ei
.status_and_code
= dd
->err_info_uncorrectable
;
2884 /* FMConfigErrorInfo */
2885 rsp
->fm_config_ei
.status_and_code
= dd
->err_info_fmconfig
;
2888 *resp_len
+= response_data_size
;
2890 return reply((struct ib_mad_hdr
*)pmp
);
2893 static int pma_set_opa_portstatus(struct opa_pma_mad
*pmp
,
2894 struct ib_device
*ibdev
, u8 port
, u32
*resp_len
)
2896 struct opa_clear_port_status
*req
=
2897 (struct opa_clear_port_status
*)pmp
->data
;
2898 struct hfi1_devdata
*dd
= dd_from_ibdev(ibdev
);
2899 struct hfi1_ibport
*ibp
= to_iport(ibdev
, port
);
2900 struct hfi1_pportdata
*ppd
= ppd_from_ibp(ibp
);
2901 u32 nports
= be32_to_cpu(pmp
->mad_hdr
.attr_mod
) >> 24;
2902 u64 portn
= be64_to_cpu(req
->port_select_mask
[3]);
2903 u32 counter_select
= be32_to_cpu(req
->counter_select_mask
);
2904 u32 vl_select_mask
= VL_MASK_ALL
; /* clear all per-vl cnts */
2907 if ((nports
!= 1) || (portn
!= 1 << port
)) {
2908 pmp
->mad_hdr
.status
|= IB_SMP_INVALID_FIELD
;
2909 return reply((struct ib_mad_hdr
*)pmp
);
2912 * only counters returned by pma_get_opa_portstatus() are
2913 * handled, so when pma_get_opa_portstatus() gets a fix,
2914 * the corresponding change should be made here as well.
2917 if (counter_select
& CS_PORT_XMIT_DATA
)
2918 write_dev_cntr(dd
, C_DC_XMIT_FLITS
, CNTR_INVALID_VL
, 0);
2920 if (counter_select
& CS_PORT_RCV_DATA
)
2921 write_dev_cntr(dd
, C_DC_RCV_FLITS
, CNTR_INVALID_VL
, 0);
2923 if (counter_select
& CS_PORT_XMIT_PKTS
)
2924 write_dev_cntr(dd
, C_DC_XMIT_PKTS
, CNTR_INVALID_VL
, 0);
2926 if (counter_select
& CS_PORT_RCV_PKTS
)
2927 write_dev_cntr(dd
, C_DC_RCV_PKTS
, CNTR_INVALID_VL
, 0);
2929 if (counter_select
& CS_PORT_MCAST_XMIT_PKTS
)
2930 write_dev_cntr(dd
, C_DC_MC_XMIT_PKTS
, CNTR_INVALID_VL
, 0);
2932 if (counter_select
& CS_PORT_MCAST_RCV_PKTS
)
2933 write_dev_cntr(dd
, C_DC_MC_RCV_PKTS
, CNTR_INVALID_VL
, 0);
2935 if (counter_select
& CS_PORT_XMIT_WAIT
)
2936 write_port_cntr(ppd
, C_TX_WAIT
, CNTR_INVALID_VL
, 0);
2938 /* ignore cs_sw_portCongestion for HFIs */
2940 if (counter_select
& CS_PORT_RCV_FECN
)
2941 write_dev_cntr(dd
, C_DC_RCV_FCN
, CNTR_INVALID_VL
, 0);
2943 if (counter_select
& CS_PORT_RCV_BECN
)
2944 write_dev_cntr(dd
, C_DC_RCV_BCN
, CNTR_INVALID_VL
, 0);
2946 /* ignore cs_port_xmit_time_cong for HFIs */
2947 /* ignore cs_port_xmit_wasted_bw for now */
2948 /* ignore cs_port_xmit_wait_data for now */
2949 if (counter_select
& CS_PORT_RCV_BUBBLE
)
2950 write_dev_cntr(dd
, C_DC_RCV_BBL
, CNTR_INVALID_VL
, 0);
2952 /* Only applicable for switch */
2953 /*if (counter_select & CS_PORT_MARK_FECN)
2954 write_csr(dd, DCC_PRF_PORT_MARK_FECN_CNT, 0);*/
2956 if (counter_select
& CS_PORT_RCV_CONSTRAINT_ERRORS
)
2957 write_port_cntr(ppd
, C_SW_RCV_CSTR_ERR
, CNTR_INVALID_VL
, 0);
2959 /* ignore cs_port_rcv_switch_relay_errors for HFIs */
2960 if (counter_select
& CS_PORT_XMIT_DISCARDS
)
2961 write_port_cntr(ppd
, C_SW_XMIT_DSCD
, CNTR_INVALID_VL
, 0);
2963 if (counter_select
& CS_PORT_XMIT_CONSTRAINT_ERRORS
)
2964 write_port_cntr(ppd
, C_SW_XMIT_CSTR_ERR
, CNTR_INVALID_VL
, 0);
2966 if (counter_select
& CS_PORT_RCV_REMOTE_PHYSICAL_ERRORS
)
2967 write_dev_cntr(dd
, C_DC_RMT_PHY_ERR
, CNTR_INVALID_VL
, 0);
2969 if (counter_select
& CS_LOCAL_LINK_INTEGRITY_ERRORS
) {
2970 write_dev_cntr(dd
, C_DC_TX_REPLAY
, CNTR_INVALID_VL
, 0);
2971 write_dev_cntr(dd
, C_DC_RX_REPLAY
, CNTR_INVALID_VL
, 0);
2974 if (counter_select
& CS_LINK_ERROR_RECOVERY
) {
2975 write_dev_cntr(dd
, C_DC_SEQ_CRC_CNT
, CNTR_INVALID_VL
, 0);
2976 write_dev_cntr(dd
, C_DC_REINIT_FROM_PEER_CNT
,
2977 CNTR_INVALID_VL
, 0);
2980 if (counter_select
& CS_PORT_RCV_ERRORS
)
2981 write_dev_cntr(dd
, C_DC_RCV_ERR
, CNTR_INVALID_VL
, 0);
2983 if (counter_select
& CS_EXCESSIVE_BUFFER_OVERRUNS
) {
2984 write_dev_cntr(dd
, C_RCV_OVF
, CNTR_INVALID_VL
, 0);
2985 dd
->rcv_ovfl_cnt
= 0;
2988 if (counter_select
& CS_FM_CONFIG_ERRORS
)
2989 write_dev_cntr(dd
, C_DC_FM_CFG_ERR
, CNTR_INVALID_VL
, 0);
2991 if (counter_select
& CS_LINK_DOWNED
)
2992 write_port_cntr(ppd
, C_SW_LINK_DOWN
, CNTR_INVALID_VL
, 0);
2994 if (counter_select
& CS_UNCORRECTABLE_ERRORS
)
2995 write_dev_cntr(dd
, C_DC_UNC_ERR
, CNTR_INVALID_VL
, 0);
2997 for_each_set_bit(vl
, (unsigned long *)&(vl_select_mask
),
2998 8 * sizeof(vl_select_mask
)) {
3000 if (counter_select
& CS_PORT_XMIT_DATA
)
3001 write_port_cntr(ppd
, C_TX_FLIT_VL
, idx_from_vl(vl
), 0);
3003 if (counter_select
& CS_PORT_RCV_DATA
)
3004 write_dev_cntr(dd
, C_DC_RX_FLIT_VL
, idx_from_vl(vl
), 0);
3006 if (counter_select
& CS_PORT_XMIT_PKTS
)
3007 write_port_cntr(ppd
, C_TX_PKT_VL
, idx_from_vl(vl
), 0);
3009 if (counter_select
& CS_PORT_RCV_PKTS
)
3010 write_dev_cntr(dd
, C_DC_RX_PKT_VL
, idx_from_vl(vl
), 0);
3012 if (counter_select
& CS_PORT_XMIT_WAIT
)
3013 write_port_cntr(ppd
, C_TX_WAIT_VL
, idx_from_vl(vl
), 0);
3015 /* sw_port_vl_congestion is 0 for HFIs */
3016 if (counter_select
& CS_PORT_RCV_FECN
)
3017 write_dev_cntr(dd
, C_DC_RCV_FCN_VL
, idx_from_vl(vl
), 0);
3019 if (counter_select
& CS_PORT_RCV_BECN
)
3020 write_dev_cntr(dd
, C_DC_RCV_BCN_VL
, idx_from_vl(vl
), 0);
3022 /* port_vl_xmit_time_cong is 0 for HFIs */
3023 /* port_vl_xmit_wasted_bw ??? */
3024 /* port_vl_xmit_wait_data - TXE (table 13-9 HFI spec) ??? */
3025 if (counter_select
& CS_PORT_RCV_BUBBLE
)
3026 write_dev_cntr(dd
, C_DC_RCV_BBL_VL
, idx_from_vl(vl
), 0);
3028 /*if (counter_select & CS_PORT_MARK_FECN)
3029 write_csr(dd, DCC_PRF_PORT_VL_MARK_FECN_CNT + offset, 0);
3031 /* port_vl_xmit_discards ??? */
3035 *resp_len
+= sizeof(*req
);
3037 return reply((struct ib_mad_hdr
*)pmp
);
3040 static int pma_set_opa_errorinfo(struct opa_pma_mad
*pmp
,
3041 struct ib_device
*ibdev
, u8 port
, u32
*resp_len
)
3043 struct _port_ei
*rsp
;
3044 struct opa_port_error_info_msg
*req
;
3045 struct hfi1_devdata
*dd
= dd_from_ibdev(ibdev
);
3048 unsigned long port_num
;
3050 u32 error_info_select
;
3052 req
= (struct opa_port_error_info_msg
*)pmp
->data
;
3053 rsp
= (struct _port_ei
*)&(req
->port
[0]);
3055 num_ports
= OPA_AM_NPORT(be32_to_cpu(pmp
->mad_hdr
.attr_mod
));
3056 num_pslm
= hweight64(be64_to_cpu(req
->port_select_mask
[3]));
3058 memset(rsp
, 0, sizeof(*rsp
));
3060 if (num_ports
!= 1 || num_ports
!= num_pslm
) {
3061 pmp
->mad_hdr
.status
|= IB_SMP_INVALID_FIELD
;
3062 return reply((struct ib_mad_hdr
*)pmp
);
3066 * The bit set in the mask needs to be consistent with the port
3067 * the request came in on.
3069 port_mask
= be64_to_cpu(req
->port_select_mask
[3]);
3070 port_num
= find_first_bit((unsigned long *)&port_mask
,
3073 if ((u8
)port_num
!= port
) {
3074 pmp
->mad_hdr
.status
|= IB_SMP_INVALID_FIELD
;
3075 return reply((struct ib_mad_hdr
*)pmp
);
3078 error_info_select
= be32_to_cpu(req
->error_info_select_mask
);
3080 /* PortRcvErrorInfo */
3081 if (error_info_select
& ES_PORT_RCV_ERROR_INFO
)
3082 /* turn off status bit */
3083 dd
->err_info_rcvport
.status_and_code
&= ~OPA_EI_STATUS_SMASK
;
3085 /* ExcessiverBufferOverrunInfo */
3086 if (error_info_select
& ES_EXCESSIVE_BUFFER_OVERRUN_INFO
)
3087 /* status bit is essentially kept in the h/w - bit 5 of
3089 write_csr(dd
, RCV_ERR_INFO
,
3090 RCV_ERR_INFO_RCV_EXCESS_BUFFER_OVERRUN_SMASK
);
3092 if (error_info_select
& ES_PORT_XMIT_CONSTRAINT_ERROR_INFO
)
3093 dd
->err_info_xmit_constraint
.status
&= ~OPA_EI_STATUS_SMASK
;
3095 if (error_info_select
& ES_PORT_RCV_CONSTRAINT_ERROR_INFO
)
3096 dd
->err_info_rcv_constraint
.status
&= ~OPA_EI_STATUS_SMASK
;
3098 /* UncorrectableErrorInfo */
3099 if (error_info_select
& ES_UNCORRECTABLE_ERROR_INFO
)
3100 /* turn off status bit */
3101 dd
->err_info_uncorrectable
&= ~OPA_EI_STATUS_SMASK
;
3103 /* FMConfigErrorInfo */
3104 if (error_info_select
& ES_FM_CONFIG_ERROR_INFO
)
3105 /* turn off status bit */
3106 dd
->err_info_fmconfig
&= ~OPA_EI_STATUS_SMASK
;
3109 *resp_len
+= sizeof(*req
);
3111 return reply((struct ib_mad_hdr
*)pmp
);
3114 struct opa_congestion_info_attr
{
3115 __be16 congestion_info
;
3116 u8 control_table_cap
; /* Multiple of 64 entry unit CCTs */
3117 u8 congestion_log_length
;
3120 static int __subn_get_opa_cong_info(struct opa_smp
*smp
, u32 am
, u8
*data
,
3121 struct ib_device
*ibdev
, u8 port
,
3124 struct opa_congestion_info_attr
*p
=
3125 (struct opa_congestion_info_attr
*)data
;
3126 struct hfi1_ibport
*ibp
= to_iport(ibdev
, port
);
3127 struct hfi1_pportdata
*ppd
= ppd_from_ibp(ibp
);
3129 p
->congestion_info
= 0;
3130 p
->control_table_cap
= ppd
->cc_max_table_entries
;
3131 p
->congestion_log_length
= OPA_CONG_LOG_ELEMS
;
3134 *resp_len
+= sizeof(*p
);
3136 return reply((struct ib_mad_hdr
*)smp
);
3139 static int __subn_get_opa_cong_setting(struct opa_smp
*smp
, u32 am
,
3141 struct ib_device
*ibdev
,
3142 u8 port
, u32
*resp_len
)
3145 struct opa_congestion_setting_attr
*p
=
3146 (struct opa_congestion_setting_attr
*) data
;
3147 struct hfi1_ibport
*ibp
= to_iport(ibdev
, port
);
3148 struct hfi1_pportdata
*ppd
= ppd_from_ibp(ibp
);
3149 struct opa_congestion_setting_entry_shadow
*entries
;
3150 struct cc_state
*cc_state
;
3154 cc_state
= get_cc_state(ppd
);
3156 if (cc_state
== NULL
) {
3158 return reply((struct ib_mad_hdr
*)smp
);
3161 entries
= cc_state
->cong_setting
.entries
;
3162 p
->port_control
= cpu_to_be16(cc_state
->cong_setting
.port_control
);
3163 p
->control_map
= cpu_to_be32(cc_state
->cong_setting
.control_map
);
3164 for (i
= 0; i
< OPA_MAX_SLS
; i
++) {
3165 p
->entries
[i
].ccti_increase
= entries
[i
].ccti_increase
;
3166 p
->entries
[i
].ccti_timer
= cpu_to_be16(entries
[i
].ccti_timer
);
3167 p
->entries
[i
].trigger_threshold
=
3168 entries
[i
].trigger_threshold
;
3169 p
->entries
[i
].ccti_min
= entries
[i
].ccti_min
;
3175 *resp_len
+= sizeof(*p
);
3177 return reply((struct ib_mad_hdr
*)smp
);
3180 static int __subn_set_opa_cong_setting(struct opa_smp
*smp
, u32 am
, u8
*data
,
3181 struct ib_device
*ibdev
, u8 port
,
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
;
3191 ppd
->cc_sl_control_map
= be32_to_cpu(p
->control_map
);
3193 entries
= ppd
->congestion_entries
;
3194 for (i
= 0; i
< OPA_MAX_SLS
; i
++) {
3195 entries
[i
].ccti_increase
= p
->entries
[i
].ccti_increase
;
3196 entries
[i
].ccti_timer
= be16_to_cpu(p
->entries
[i
].ccti_timer
);
3197 entries
[i
].trigger_threshold
=
3198 p
->entries
[i
].trigger_threshold
;
3199 entries
[i
].ccti_min
= p
->entries
[i
].ccti_min
;
3202 return __subn_get_opa_cong_setting(smp
, am
, data
, ibdev
, port
,
3206 static int __subn_get_opa_hfi1_cong_log(struct opa_smp
*smp
, u32 am
,
3207 u8
*data
, struct ib_device
*ibdev
,
3208 u8 port
, u32
*resp_len
)
3210 struct hfi1_ibport
*ibp
= to_iport(ibdev
, port
);
3211 struct hfi1_pportdata
*ppd
= ppd_from_ibp(ibp
);
3212 struct opa_hfi1_cong_log
*cong_log
= (struct opa_hfi1_cong_log
*)data
;
3217 smp
->status
|= IB_SMP_INVALID_FIELD
;
3218 return reply((struct ib_mad_hdr
*)smp
);
3221 spin_lock_irq(&ppd
->cc_log_lock
);
3223 cong_log
->log_type
= OPA_CC_LOG_TYPE_HFI
;
3224 cong_log
->congestion_flags
= 0;
3225 cong_log
->threshold_event_counter
=
3226 cpu_to_be16(ppd
->threshold_event_counter
);
3227 memcpy(cong_log
->threshold_cong_event_map
,
3228 ppd
->threshold_cong_event_map
,
3229 sizeof(cong_log
->threshold_cong_event_map
));
3230 /* keep timestamp in units of 1.024 usec */
3231 ts
= ktime_to_ns(ktime_get()) / 1024;
3232 cong_log
->current_time_stamp
= cpu_to_be32(ts
);
3233 for (i
= 0; i
< OPA_CONG_LOG_ELEMS
; i
++) {
3234 struct opa_hfi1_cong_log_event_internal
*cce
=
3235 &ppd
->cc_events
[ppd
->cc_mad_idx
++];
3236 if (ppd
->cc_mad_idx
== OPA_CONG_LOG_ELEMS
)
3237 ppd
->cc_mad_idx
= 0;
3239 * Entries which are older than twice the time
3240 * required to wrap the counter are supposed to
3241 * be zeroed (CA10-49 IBTA, release 1.2.1, V1).
3243 if ((u64
)(ts
- cce
->timestamp
) > (2 * UINT_MAX
))
3245 memcpy(cong_log
->events
[i
].local_qp_cn_entry
, &cce
->lqpn
, 3);
3246 memcpy(cong_log
->events
[i
].remote_qp_number_cn_entry
,
3248 cong_log
->events
[i
].sl_svc_type_cn_entry
=
3249 ((cce
->sl
& 0x1f) << 3) | (cce
->svc_type
& 0x7);
3250 cong_log
->events
[i
].remote_lid_cn_entry
=
3251 cpu_to_be32(cce
->rlid
);
3252 cong_log
->events
[i
].timestamp_cn_entry
=
3253 cpu_to_be32(cce
->timestamp
);
3257 * Reset threshold_cong_event_map, and threshold_event_counter
3258 * to 0 when log is read.
3260 memset(ppd
->threshold_cong_event_map
, 0x0,
3261 sizeof(ppd
->threshold_cong_event_map
));
3262 ppd
->threshold_event_counter
= 0;
3264 spin_unlock_irq(&ppd
->cc_log_lock
);
3267 *resp_len
+= sizeof(struct opa_hfi1_cong_log
);
3269 return reply((struct ib_mad_hdr
*)smp
);
3272 static int __subn_get_opa_cc_table(struct opa_smp
*smp
, u32 am
, u8
*data
,
3273 struct ib_device
*ibdev
, u8 port
,
3276 struct ib_cc_table_attr
*cc_table_attr
=
3277 (struct ib_cc_table_attr
*) data
;
3278 struct hfi1_ibport
*ibp
= to_iport(ibdev
, port
);
3279 struct hfi1_pportdata
*ppd
= ppd_from_ibp(ibp
);
3280 u32 start_block
= OPA_AM_START_BLK(am
);
3281 u32 n_blocks
= OPA_AM_NBLK(am
);
3282 struct ib_cc_table_entry_shadow
*entries
;
3285 struct cc_state
*cc_state
;
3287 /* sanity check n_blocks, start_block */
3288 if (n_blocks
== 0 ||
3289 start_block
+ n_blocks
> ppd
->cc_max_table_entries
) {
3290 smp
->status
|= IB_SMP_INVALID_FIELD
;
3291 return reply((struct ib_mad_hdr
*)smp
);
3296 cc_state
= get_cc_state(ppd
);
3298 if (cc_state
== NULL
) {
3300 return reply((struct ib_mad_hdr
*)smp
);
3303 sentry
= start_block
* IB_CCT_ENTRIES
;
3304 eentry
= sentry
+ (IB_CCT_ENTRIES
* n_blocks
);
3306 cc_table_attr
->ccti_limit
= cpu_to_be16(cc_state
->cct
.ccti_limit
);
3308 entries
= cc_state
->cct
.entries
;
3310 /* return n_blocks, though the last block may not be full */
3311 for (j
= 0, i
= sentry
; i
< eentry
; j
++, i
++)
3312 cc_table_attr
->ccti_entries
[j
].entry
=
3313 cpu_to_be16(entries
[i
].entry
);
3318 *resp_len
+= sizeof(u16
)*(IB_CCT_ENTRIES
* n_blocks
+ 1);
3320 return reply((struct ib_mad_hdr
*)smp
);
3323 void cc_state_reclaim(struct rcu_head
*rcu
)
3325 struct cc_state
*cc_state
= container_of(rcu
, struct cc_state
, rcu
);
3330 static int __subn_set_opa_cc_table(struct opa_smp
*smp
, u32 am
, u8
*data
,
3331 struct ib_device
*ibdev
, u8 port
,
3334 struct ib_cc_table_attr
*p
= (struct ib_cc_table_attr
*) data
;
3335 struct hfi1_ibport
*ibp
= to_iport(ibdev
, port
);
3336 struct hfi1_pportdata
*ppd
= ppd_from_ibp(ibp
);
3337 u32 start_block
= OPA_AM_START_BLK(am
);
3338 u32 n_blocks
= OPA_AM_NBLK(am
);
3339 struct ib_cc_table_entry_shadow
*entries
;
3343 struct cc_state
*old_cc_state
, *new_cc_state
;
3345 /* sanity check n_blocks, start_block */
3346 if (n_blocks
== 0 ||
3347 start_block
+ n_blocks
> ppd
->cc_max_table_entries
) {
3348 smp
->status
|= IB_SMP_INVALID_FIELD
;
3349 return reply((struct ib_mad_hdr
*)smp
);
3352 sentry
= start_block
* IB_CCT_ENTRIES
;
3353 eentry
= sentry
+ ((n_blocks
- 1) * IB_CCT_ENTRIES
) +
3354 (be16_to_cpu(p
->ccti_limit
)) % IB_CCT_ENTRIES
+ 1;
3356 /* sanity check ccti_limit */
3357 ccti_limit
= be16_to_cpu(p
->ccti_limit
);
3358 if (ccti_limit
+ 1 > eentry
) {
3359 smp
->status
|= IB_SMP_INVALID_FIELD
;
3360 return reply((struct ib_mad_hdr
*)smp
);
3363 new_cc_state
= kzalloc(sizeof(*new_cc_state
), GFP_KERNEL
);
3364 if (new_cc_state
== NULL
)
3367 spin_lock(&ppd
->cc_state_lock
);
3369 old_cc_state
= get_cc_state(ppd
);
3371 if (old_cc_state
== NULL
) {
3372 spin_unlock(&ppd
->cc_state_lock
);
3373 kfree(new_cc_state
);
3374 return reply((struct ib_mad_hdr
*)smp
);
3377 *new_cc_state
= *old_cc_state
;
3379 new_cc_state
->cct
.ccti_limit
= ccti_limit
;
3381 entries
= ppd
->ccti_entries
;
3382 ppd
->total_cct_entry
= ccti_limit
+ 1;
3384 for (j
= 0, i
= sentry
; i
< eentry
; j
++, i
++)
3385 entries
[i
].entry
= be16_to_cpu(p
->ccti_entries
[j
].entry
);
3387 memcpy(new_cc_state
->cct
.entries
, entries
,
3388 eentry
* sizeof(struct ib_cc_table_entry
));
3390 new_cc_state
->cong_setting
.port_control
= IB_CC_CCS_PC_SL_BASED
;
3391 new_cc_state
->cong_setting
.control_map
= ppd
->cc_sl_control_map
;
3392 memcpy(new_cc_state
->cong_setting
.entries
, ppd
->congestion_entries
,
3393 OPA_MAX_SLS
* sizeof(struct opa_congestion_setting_entry
));
3395 rcu_assign_pointer(ppd
->cc_state
, new_cc_state
);
3397 spin_unlock(&ppd
->cc_state_lock
);
3399 call_rcu(&old_cc_state
->rcu
, cc_state_reclaim
);
3402 return __subn_get_opa_cc_table(smp
, am
, data
, ibdev
, port
, resp_len
);
3405 struct opa_led_info
{
3406 __be32 rsvd_led_mask
;
3410 #define OPA_LED_SHIFT 31
3411 #define OPA_LED_MASK BIT(OPA_LED_SHIFT)
3413 static int __subn_get_opa_led_info(struct opa_smp
*smp
, u32 am
, u8
*data
,
3414 struct ib_device
*ibdev
, u8 port
,
3417 struct hfi1_devdata
*dd
= dd_from_ibdev(ibdev
);
3418 struct opa_led_info
*p
= (struct opa_led_info
*) data
;
3419 u32 nport
= OPA_AM_NPORT(am
);
3423 smp
->status
|= IB_SMP_INVALID_FIELD
;
3424 return reply((struct ib_mad_hdr
*)smp
);
3427 reg
= read_csr(dd
, DCC_CFG_LED_CNTRL
);
3428 if ((reg
& DCC_CFG_LED_CNTRL_LED_CNTRL_SMASK
) &&
3429 ((reg
& DCC_CFG_LED_CNTRL_LED_SW_BLINK_RATE_SMASK
) == 0xf))
3430 p
->rsvd_led_mask
= cpu_to_be32(OPA_LED_MASK
);
3433 *resp_len
+= sizeof(struct opa_led_info
);
3435 return reply((struct ib_mad_hdr
*)smp
);
3438 static int __subn_set_opa_led_info(struct opa_smp
*smp
, u32 am
, u8
*data
,
3439 struct ib_device
*ibdev
, u8 port
,
3442 struct hfi1_devdata
*dd
= dd_from_ibdev(ibdev
);
3443 struct opa_led_info
*p
= (struct opa_led_info
*) data
;
3444 u32 nport
= OPA_AM_NPORT(am
);
3445 int on
= !!(be32_to_cpu(p
->rsvd_led_mask
) & OPA_LED_MASK
);
3448 smp
->status
|= IB_SMP_INVALID_FIELD
;
3449 return reply((struct ib_mad_hdr
*)smp
);
3454 return __subn_get_opa_led_info(smp
, am
, data
, ibdev
, port
, resp_len
);
3457 static int subn_get_opa_sma(__be16 attr_id
, struct opa_smp
*smp
, u32 am
,
3458 u8
*data
, struct ib_device
*ibdev
, u8 port
,
3462 struct hfi1_ibport
*ibp
= to_iport(ibdev
, port
);
3465 case IB_SMP_ATTR_NODE_DESC
:
3466 ret
= __subn_get_opa_nodedesc(smp
, am
, data
, ibdev
, port
,
3469 case IB_SMP_ATTR_NODE_INFO
:
3470 ret
= __subn_get_opa_nodeinfo(smp
, am
, data
, ibdev
, port
,
3473 case IB_SMP_ATTR_PORT_INFO
:
3474 ret
= __subn_get_opa_portinfo(smp
, am
, data
, ibdev
, port
,
3477 case IB_SMP_ATTR_PKEY_TABLE
:
3478 ret
= __subn_get_opa_pkeytable(smp
, am
, data
, ibdev
, port
,
3481 case OPA_ATTRIB_ID_SL_TO_SC_MAP
:
3482 ret
= __subn_get_opa_sl_to_sc(smp
, am
, data
, ibdev
, port
,
3485 case OPA_ATTRIB_ID_SC_TO_SL_MAP
:
3486 ret
= __subn_get_opa_sc_to_sl(smp
, am
, data
, ibdev
, port
,
3489 case OPA_ATTRIB_ID_SC_TO_VLT_MAP
:
3490 ret
= __subn_get_opa_sc_to_vlt(smp
, am
, data
, ibdev
, port
,
3493 case OPA_ATTRIB_ID_SC_TO_VLNT_MAP
:
3494 ret
= __subn_get_opa_sc_to_vlnt(smp
, am
, data
, ibdev
, port
,
3497 case OPA_ATTRIB_ID_PORT_STATE_INFO
:
3498 ret
= __subn_get_opa_psi(smp
, am
, data
, ibdev
, port
,
3501 case OPA_ATTRIB_ID_BUFFER_CONTROL_TABLE
:
3502 ret
= __subn_get_opa_bct(smp
, am
, data
, ibdev
, port
,
3505 case OPA_ATTRIB_ID_CABLE_INFO
:
3506 ret
= __subn_get_opa_cable_info(smp
, am
, data
, ibdev
, port
,
3509 case IB_SMP_ATTR_VL_ARB_TABLE
:
3510 ret
= __subn_get_opa_vl_arb(smp
, am
, data
, ibdev
, port
,
3513 case OPA_ATTRIB_ID_CONGESTION_INFO
:
3514 ret
= __subn_get_opa_cong_info(smp
, am
, data
, ibdev
, port
,
3517 case OPA_ATTRIB_ID_HFI_CONGESTION_SETTING
:
3518 ret
= __subn_get_opa_cong_setting(smp
, am
, data
, ibdev
,
3521 case OPA_ATTRIB_ID_HFI_CONGESTION_LOG
:
3522 ret
= __subn_get_opa_hfi1_cong_log(smp
, am
, data
, ibdev
,
3525 case OPA_ATTRIB_ID_CONGESTION_CONTROL_TABLE
:
3526 ret
= __subn_get_opa_cc_table(smp
, am
, data
, ibdev
, port
,
3529 case IB_SMP_ATTR_LED_INFO
:
3530 ret
= __subn_get_opa_led_info(smp
, am
, data
, ibdev
, port
,
3533 case IB_SMP_ATTR_SM_INFO
:
3534 if (ibp
->rvp
.port_cap_flags
& IB_PORT_SM_DISABLED
)
3535 return IB_MAD_RESULT_SUCCESS
| IB_MAD_RESULT_CONSUMED
;
3536 if (ibp
->rvp
.port_cap_flags
& IB_PORT_SM
)
3537 return IB_MAD_RESULT_SUCCESS
;
3540 smp
->status
|= IB_SMP_UNSUP_METH_ATTR
;
3541 ret
= reply((struct ib_mad_hdr
*)smp
);
3547 static int subn_set_opa_sma(__be16 attr_id
, struct opa_smp
*smp
, u32 am
,
3548 u8
*data
, struct ib_device
*ibdev
, u8 port
,
3552 struct hfi1_ibport
*ibp
= to_iport(ibdev
, port
);
3555 case IB_SMP_ATTR_PORT_INFO
:
3556 ret
= __subn_set_opa_portinfo(smp
, am
, data
, ibdev
, port
,
3559 case IB_SMP_ATTR_PKEY_TABLE
:
3560 ret
= __subn_set_opa_pkeytable(smp
, am
, data
, ibdev
, port
,
3563 case OPA_ATTRIB_ID_SL_TO_SC_MAP
:
3564 ret
= __subn_set_opa_sl_to_sc(smp
, am
, data
, ibdev
, port
,
3567 case OPA_ATTRIB_ID_SC_TO_SL_MAP
:
3568 ret
= __subn_set_opa_sc_to_sl(smp
, am
, data
, ibdev
, port
,
3571 case OPA_ATTRIB_ID_SC_TO_VLT_MAP
:
3572 ret
= __subn_set_opa_sc_to_vlt(smp
, am
, data
, ibdev
, port
,
3575 case OPA_ATTRIB_ID_SC_TO_VLNT_MAP
:
3576 ret
= __subn_set_opa_sc_to_vlnt(smp
, am
, data
, ibdev
, port
,
3579 case OPA_ATTRIB_ID_PORT_STATE_INFO
:
3580 ret
= __subn_set_opa_psi(smp
, am
, data
, ibdev
, port
,
3583 case OPA_ATTRIB_ID_BUFFER_CONTROL_TABLE
:
3584 ret
= __subn_set_opa_bct(smp
, am
, data
, ibdev
, port
,
3587 case IB_SMP_ATTR_VL_ARB_TABLE
:
3588 ret
= __subn_set_opa_vl_arb(smp
, am
, data
, ibdev
, port
,
3591 case OPA_ATTRIB_ID_HFI_CONGESTION_SETTING
:
3592 ret
= __subn_set_opa_cong_setting(smp
, am
, data
, ibdev
,
3595 case OPA_ATTRIB_ID_CONGESTION_CONTROL_TABLE
:
3596 ret
= __subn_set_opa_cc_table(smp
, am
, data
, ibdev
, port
,
3599 case IB_SMP_ATTR_LED_INFO
:
3600 ret
= __subn_set_opa_led_info(smp
, am
, data
, ibdev
, port
,
3603 case IB_SMP_ATTR_SM_INFO
:
3604 if (ibp
->rvp
.port_cap_flags
& IB_PORT_SM_DISABLED
)
3605 return IB_MAD_RESULT_SUCCESS
| IB_MAD_RESULT_CONSUMED
;
3606 if (ibp
->rvp
.port_cap_flags
& IB_PORT_SM
)
3607 return IB_MAD_RESULT_SUCCESS
;
3610 smp
->status
|= IB_SMP_UNSUP_METH_ATTR
;
3611 ret
= reply((struct ib_mad_hdr
*)smp
);
3617 static inline void set_aggr_error(struct opa_aggregate
*ag
)
3619 ag
->err_reqlength
|= cpu_to_be16(0x8000);
3622 static int subn_get_opa_aggregate(struct opa_smp
*smp
,
3623 struct ib_device
*ibdev
, u8 port
,
3627 u32 num_attr
= be32_to_cpu(smp
->attr_mod
) & 0x000000ff;
3628 u8
*next_smp
= opa_get_smp_data(smp
);
3630 if (num_attr
< 1 || num_attr
> 117) {
3631 smp
->status
|= IB_SMP_INVALID_FIELD
;
3632 return reply((struct ib_mad_hdr
*)smp
);
3635 for (i
= 0; i
< num_attr
; i
++) {
3636 struct opa_aggregate
*agg
;
3637 size_t agg_data_len
;
3641 agg
= (struct opa_aggregate
*)next_smp
;
3642 agg_data_len
= (be16_to_cpu(agg
->err_reqlength
) & 0x007f) * 8;
3643 agg_size
= sizeof(*agg
) + agg_data_len
;
3644 am
= be32_to_cpu(agg
->attr_mod
);
3646 *resp_len
+= agg_size
;
3648 if (next_smp
+ agg_size
> ((u8
*)smp
) + sizeof(*smp
)) {
3649 smp
->status
|= IB_SMP_INVALID_FIELD
;
3650 return reply((struct ib_mad_hdr
*)smp
);
3653 /* zero the payload for this segment */
3654 memset(next_smp
+ sizeof(*agg
), 0, agg_data_len
);
3656 (void) subn_get_opa_sma(agg
->attr_id
, smp
, am
, agg
->data
,
3658 if (smp
->status
& ~IB_SMP_DIRECTION
) {
3659 set_aggr_error(agg
);
3660 return reply((struct ib_mad_hdr
*)smp
);
3662 next_smp
+= agg_size
;
3666 return reply((struct ib_mad_hdr
*)smp
);
3669 static int subn_set_opa_aggregate(struct opa_smp
*smp
,
3670 struct ib_device
*ibdev
, u8 port
,
3674 u32 num_attr
= be32_to_cpu(smp
->attr_mod
) & 0x000000ff;
3675 u8
*next_smp
= opa_get_smp_data(smp
);
3677 if (num_attr
< 1 || num_attr
> 117) {
3678 smp
->status
|= IB_SMP_INVALID_FIELD
;
3679 return reply((struct ib_mad_hdr
*)smp
);
3682 for (i
= 0; i
< num_attr
; i
++) {
3683 struct opa_aggregate
*agg
;
3684 size_t agg_data_len
;
3688 agg
= (struct opa_aggregate
*)next_smp
;
3689 agg_data_len
= (be16_to_cpu(agg
->err_reqlength
) & 0x007f) * 8;
3690 agg_size
= sizeof(*agg
) + agg_data_len
;
3691 am
= be32_to_cpu(agg
->attr_mod
);
3693 *resp_len
+= agg_size
;
3695 if (next_smp
+ agg_size
> ((u8
*)smp
) + sizeof(*smp
)) {
3696 smp
->status
|= IB_SMP_INVALID_FIELD
;
3697 return reply((struct ib_mad_hdr
*)smp
);
3700 (void) subn_set_opa_sma(agg
->attr_id
, smp
, am
, agg
->data
,
3702 if (smp
->status
& ~IB_SMP_DIRECTION
) {
3703 set_aggr_error(agg
);
3704 return reply((struct ib_mad_hdr
*)smp
);
3706 next_smp
+= agg_size
;
3710 return reply((struct ib_mad_hdr
*)smp
);
3714 * OPAv1 specifies that, on the transition to link up, these counters
3718 * LocalLinkIntegrityErrors
3719 * ExcessiveBufferOverruns [*]
3721 * [*] Error info associated with these counters is retained, but the
3722 * error info status is reset to 0.
3724 void clear_linkup_counters(struct hfi1_devdata
*dd
)
3727 write_dev_cntr(dd
, C_DC_RCV_ERR
, CNTR_INVALID_VL
, 0);
3728 dd
->err_info_rcvport
.status_and_code
&= ~OPA_EI_STATUS_SMASK
;
3729 /* LinkErrorRecovery */
3730 write_dev_cntr(dd
, C_DC_SEQ_CRC_CNT
, CNTR_INVALID_VL
, 0);
3731 write_dev_cntr(dd
, C_DC_REINIT_FROM_PEER_CNT
, CNTR_INVALID_VL
, 0);
3732 /* LocalLinkIntegrityErrors */
3733 write_dev_cntr(dd
, C_DC_TX_REPLAY
, CNTR_INVALID_VL
, 0);
3734 write_dev_cntr(dd
, C_DC_RX_REPLAY
, CNTR_INVALID_VL
, 0);
3735 /* ExcessiveBufferOverruns */
3736 write_dev_cntr(dd
, C_RCV_OVF
, CNTR_INVALID_VL
, 0);
3737 dd
->rcv_ovfl_cnt
= 0;
3738 dd
->err_info_xmit_constraint
.status
&= ~OPA_EI_STATUS_SMASK
;
3742 * is_local_mad() returns 1 if 'mad' is sent from, and destined to the
3743 * local node, 0 otherwise.
3745 static int is_local_mad(struct hfi1_ibport
*ibp
, const struct opa_mad
*mad
,
3746 const struct ib_wc
*in_wc
)
3748 struct hfi1_pportdata
*ppd
= ppd_from_ibp(ibp
);
3749 const struct opa_smp
*smp
= (const struct opa_smp
*)mad
;
3751 if (smp
->mgmt_class
== IB_MGMT_CLASS_SUBN_DIRECTED_ROUTE
) {
3752 return (smp
->hop_cnt
== 0 &&
3753 smp
->route
.dr
.dr_slid
== OPA_LID_PERMISSIVE
&&
3754 smp
->route
.dr
.dr_dlid
== OPA_LID_PERMISSIVE
);
3757 return (in_wc
->slid
== ppd
->lid
);
3761 * opa_local_smp_check() should only be called on MADs for which
3762 * is_local_mad() returns true. It applies the SMP checks that are
3763 * specific to SMPs which are sent from, and destined to this node.
3764 * opa_local_smp_check() returns 0 if the SMP passes its checks, 1
3767 * SMPs which arrive from other nodes are instead checked by
3770 static int opa_local_smp_check(struct hfi1_ibport
*ibp
,
3771 const struct ib_wc
*in_wc
)
3773 struct hfi1_pportdata
*ppd
= ppd_from_ibp(ibp
);
3774 u16 slid
= in_wc
->slid
;
3777 if (in_wc
->pkey_index
>= ARRAY_SIZE(ppd
->pkeys
))
3780 pkey
= ppd
->pkeys
[in_wc
->pkey_index
];
3782 * We need to do the "node-local" checks specified in OPAv1,
3783 * rev 0.90, section 9.10.26, which are:
3784 * - pkey is 0x7fff, or 0xffff
3785 * - Source QPN == 0 || Destination QPN == 0
3786 * - the MAD header's management class is either
3787 * IB_MGMT_CLASS_SUBN_DIRECTED_ROUTE or
3788 * IB_MGMT_CLASS_SUBN_LID_ROUTED
3791 * However, we know (and so don't need to check again) that,
3792 * for local SMPs, the MAD stack passes MADs with:
3794 * - MAD mgmt_class is IB_MGMT_CLASS_SUBN_DIRECTED_ROUTE
3795 * - SLID is either: OPA_LID_PERMISSIVE (0xFFFFFFFF), or
3796 * our own port's lid
3799 if (pkey
== LIM_MGMT_P_KEY
|| pkey
== FULL_MGMT_P_KEY
)
3801 ingress_pkey_table_fail(ppd
, pkey
, slid
);
3805 static int process_subn_opa(struct ib_device
*ibdev
, int mad_flags
,
3806 u8 port
, const struct opa_mad
*in_mad
,
3807 struct opa_mad
*out_mad
,
3810 struct opa_smp
*smp
= (struct opa_smp
*)out_mad
;
3811 struct hfi1_ibport
*ibp
= to_iport(ibdev
, port
);
3818 data
= opa_get_smp_data(smp
);
3820 am
= be32_to_cpu(smp
->attr_mod
);
3821 attr_id
= smp
->attr_id
;
3822 if (smp
->class_version
!= OPA_SMI_CLASS_VERSION
) {
3823 smp
->status
|= IB_SMP_UNSUP_VERSION
;
3824 ret
= reply((struct ib_mad_hdr
*)smp
);
3827 ret
= check_mkey(ibp
, (struct ib_mad_hdr
*)smp
, mad_flags
, smp
->mkey
,
3828 smp
->route
.dr
.dr_slid
, smp
->route
.dr
.return_path
,
3831 u32 port_num
= be32_to_cpu(smp
->attr_mod
);
3834 * If this is a get/set portinfo, we already check the
3835 * M_Key if the MAD is for another port and the M_Key
3836 * is OK on the receiving port. This check is needed
3837 * to increment the error counters when the M_Key
3838 * fails to match on *both* ports.
3840 if (attr_id
== IB_SMP_ATTR_PORT_INFO
&&
3841 (smp
->method
== IB_MGMT_METHOD_GET
||
3842 smp
->method
== IB_MGMT_METHOD_SET
) &&
3843 port_num
&& port_num
<= ibdev
->phys_port_cnt
&&
3845 (void) check_mkey(to_iport(ibdev
, port_num
),
3846 (struct ib_mad_hdr
*)smp
, 0,
3847 smp
->mkey
, smp
->route
.dr
.dr_slid
,
3848 smp
->route
.dr
.return_path
,
3850 ret
= IB_MAD_RESULT_FAILURE
;
3854 *resp_len
= opa_get_smp_header_size(smp
);
3856 switch (smp
->method
) {
3857 case IB_MGMT_METHOD_GET
:
3860 clear_opa_smp_data(smp
);
3861 ret
= subn_get_opa_sma(attr_id
, smp
, am
, data
,
3862 ibdev
, port
, resp_len
);
3864 case OPA_ATTRIB_ID_AGGREGATE
:
3865 ret
= subn_get_opa_aggregate(smp
, ibdev
, port
,
3869 case IB_MGMT_METHOD_SET
:
3872 ret
= subn_set_opa_sma(attr_id
, smp
, am
, data
,
3873 ibdev
, port
, resp_len
);
3875 case OPA_ATTRIB_ID_AGGREGATE
:
3876 ret
= subn_set_opa_aggregate(smp
, ibdev
, port
,
3880 case IB_MGMT_METHOD_TRAP
:
3881 case IB_MGMT_METHOD_REPORT
:
3882 case IB_MGMT_METHOD_REPORT_RESP
:
3883 case IB_MGMT_METHOD_GET_RESP
:
3885 * The ib_mad module will call us to process responses
3886 * before checking for other consumers.
3887 * Just tell the caller to process it normally.
3889 ret
= IB_MAD_RESULT_SUCCESS
;
3892 smp
->status
|= IB_SMP_UNSUP_METHOD
;
3893 ret
= reply((struct ib_mad_hdr
*)smp
);
3900 static int process_subn(struct ib_device
*ibdev
, int mad_flags
,
3901 u8 port
, const struct ib_mad
*in_mad
,
3902 struct ib_mad
*out_mad
)
3904 struct ib_smp
*smp
= (struct ib_smp
*)out_mad
;
3905 struct hfi1_ibport
*ibp
= to_iport(ibdev
, port
);
3909 if (smp
->class_version
!= 1) {
3910 smp
->status
|= IB_SMP_UNSUP_VERSION
;
3911 ret
= reply((struct ib_mad_hdr
*)smp
);
3915 ret
= check_mkey(ibp
, (struct ib_mad_hdr
*)smp
, mad_flags
,
3916 smp
->mkey
, (__force __be32
)smp
->dr_slid
,
3917 smp
->return_path
, smp
->hop_cnt
);
3919 u32 port_num
= be32_to_cpu(smp
->attr_mod
);
3922 * If this is a get/set portinfo, we already check the
3923 * M_Key if the MAD is for another port and the M_Key
3924 * is OK on the receiving port. This check is needed
3925 * to increment the error counters when the M_Key
3926 * fails to match on *both* ports.
3928 if (in_mad
->mad_hdr
.attr_id
== IB_SMP_ATTR_PORT_INFO
&&
3929 (smp
->method
== IB_MGMT_METHOD_GET
||
3930 smp
->method
== IB_MGMT_METHOD_SET
) &&
3931 port_num
&& port_num
<= ibdev
->phys_port_cnt
&&
3933 (void) check_mkey(to_iport(ibdev
, port_num
),
3934 (struct ib_mad_hdr
*)smp
, 0,
3936 (__force __be32
)smp
->dr_slid
,
3937 smp
->return_path
, smp
->hop_cnt
);
3938 ret
= IB_MAD_RESULT_FAILURE
;
3942 switch (smp
->method
) {
3943 case IB_MGMT_METHOD_GET
:
3944 switch (smp
->attr_id
) {
3945 case IB_SMP_ATTR_NODE_INFO
:
3946 ret
= subn_get_nodeinfo(smp
, ibdev
, port
);
3949 smp
->status
|= IB_SMP_UNSUP_METH_ATTR
;
3950 ret
= reply((struct ib_mad_hdr
*)smp
);
3959 static int process_perf_opa(struct ib_device
*ibdev
, u8 port
,
3960 const struct opa_mad
*in_mad
,
3961 struct opa_mad
*out_mad
, u32
*resp_len
)
3963 struct opa_pma_mad
*pmp
= (struct opa_pma_mad
*)out_mad
;
3968 if (pmp
->mad_hdr
.class_version
!= OPA_SMI_CLASS_VERSION
) {
3969 pmp
->mad_hdr
.status
|= IB_SMP_UNSUP_VERSION
;
3970 return reply((struct ib_mad_hdr
*)pmp
);
3973 *resp_len
= sizeof(pmp
->mad_hdr
);
3975 switch (pmp
->mad_hdr
.method
) {
3976 case IB_MGMT_METHOD_GET
:
3977 switch (pmp
->mad_hdr
.attr_id
) {
3978 case IB_PMA_CLASS_PORT_INFO
:
3979 ret
= pma_get_opa_classportinfo(pmp
, ibdev
, resp_len
);
3981 case OPA_PM_ATTRIB_ID_PORT_STATUS
:
3982 ret
= pma_get_opa_portstatus(pmp
, ibdev
, port
,
3985 case OPA_PM_ATTRIB_ID_DATA_PORT_COUNTERS
:
3986 ret
= pma_get_opa_datacounters(pmp
, ibdev
, port
,
3989 case OPA_PM_ATTRIB_ID_ERROR_PORT_COUNTERS
:
3990 ret
= pma_get_opa_porterrors(pmp
, ibdev
, port
,
3993 case OPA_PM_ATTRIB_ID_ERROR_INFO
:
3994 ret
= pma_get_opa_errorinfo(pmp
, ibdev
, port
,
3998 pmp
->mad_hdr
.status
|= IB_SMP_UNSUP_METH_ATTR
;
3999 ret
= reply((struct ib_mad_hdr
*)pmp
);
4003 case IB_MGMT_METHOD_SET
:
4004 switch (pmp
->mad_hdr
.attr_id
) {
4005 case OPA_PM_ATTRIB_ID_CLEAR_PORT_STATUS
:
4006 ret
= pma_set_opa_portstatus(pmp
, ibdev
, port
,
4009 case OPA_PM_ATTRIB_ID_ERROR_INFO
:
4010 ret
= pma_set_opa_errorinfo(pmp
, ibdev
, port
,
4014 pmp
->mad_hdr
.status
|= IB_SMP_UNSUP_METH_ATTR
;
4015 ret
= reply((struct ib_mad_hdr
*)pmp
);
4019 case IB_MGMT_METHOD_TRAP
:
4020 case IB_MGMT_METHOD_GET_RESP
:
4022 * The ib_mad module will call us to process responses
4023 * before checking for other consumers.
4024 * Just tell the caller to process it normally.
4026 ret
= IB_MAD_RESULT_SUCCESS
;
4030 pmp
->mad_hdr
.status
|= IB_SMP_UNSUP_METHOD
;
4031 ret
= reply((struct ib_mad_hdr
*)pmp
);
4038 static int hfi1_process_opa_mad(struct ib_device
*ibdev
, int mad_flags
,
4039 u8 port
, const struct ib_wc
*in_wc
,
4040 const struct ib_grh
*in_grh
,
4041 const struct opa_mad
*in_mad
,
4042 struct opa_mad
*out_mad
, size_t *out_mad_size
,
4043 u16
*out_mad_pkey_index
)
4048 struct hfi1_ibport
*ibp
= to_iport(ibdev
, port
);
4050 pkey_idx
= hfi1_lookup_pkey_idx(ibp
, LIM_MGMT_P_KEY
);
4052 pr_warn("failed to find limited mgmt pkey, defaulting 0x%x\n",
4053 hfi1_get_pkey(ibp
, 1));
4056 *out_mad_pkey_index
= (u16
)pkey_idx
;
4058 switch (in_mad
->mad_hdr
.mgmt_class
) {
4059 case IB_MGMT_CLASS_SUBN_DIRECTED_ROUTE
:
4060 case IB_MGMT_CLASS_SUBN_LID_ROUTED
:
4061 if (is_local_mad(ibp
, in_mad
, in_wc
)) {
4062 ret
= opa_local_smp_check(ibp
, in_wc
);
4064 return IB_MAD_RESULT_FAILURE
;
4066 ret
= process_subn_opa(ibdev
, mad_flags
, port
, in_mad
,
4067 out_mad
, &resp_len
);
4069 case IB_MGMT_CLASS_PERF_MGMT
:
4070 ret
= process_perf_opa(ibdev
, port
, in_mad
, out_mad
,
4075 ret
= IB_MAD_RESULT_SUCCESS
;
4079 if (ret
& IB_MAD_RESULT_REPLY
)
4080 *out_mad_size
= round_up(resp_len
, 8);
4081 else if (ret
& IB_MAD_RESULT_SUCCESS
)
4082 *out_mad_size
= in_wc
->byte_len
- sizeof(struct ib_grh
);
4087 static int hfi1_process_ib_mad(struct ib_device
*ibdev
, int mad_flags
, u8 port
,
4088 const struct ib_wc
*in_wc
,
4089 const struct ib_grh
*in_grh
,
4090 const struct ib_mad
*in_mad
,
4091 struct ib_mad
*out_mad
)
4095 switch (in_mad
->mad_hdr
.mgmt_class
) {
4096 case IB_MGMT_CLASS_SUBN_DIRECTED_ROUTE
:
4097 case IB_MGMT_CLASS_SUBN_LID_ROUTED
:
4098 ret
= process_subn(ibdev
, mad_flags
, port
, in_mad
, out_mad
);
4101 ret
= IB_MAD_RESULT_SUCCESS
;
4109 * hfi1_process_mad - process an incoming MAD packet
4110 * @ibdev: the infiniband device this packet came in on
4111 * @mad_flags: MAD flags
4112 * @port: the port number this packet came in on
4113 * @in_wc: the work completion entry for this packet
4114 * @in_grh: the global route header for this packet
4115 * @in_mad: the incoming MAD
4116 * @out_mad: any outgoing MAD reply
4118 * Returns IB_MAD_RESULT_SUCCESS if this is a MAD that we are not
4119 * interested in processing.
4121 * Note that the verbs framework has already done the MAD sanity checks,
4122 * and hop count/pointer updating for IB_MGMT_CLASS_SUBN_DIRECTED_ROUTE
4125 * This is called by the ib_mad module.
4127 int hfi1_process_mad(struct ib_device
*ibdev
, int mad_flags
, u8 port
,
4128 const struct ib_wc
*in_wc
, const struct ib_grh
*in_grh
,
4129 const struct ib_mad_hdr
*in_mad
, size_t in_mad_size
,
4130 struct ib_mad_hdr
*out_mad
, size_t *out_mad_size
,
4131 u16
*out_mad_pkey_index
)
4133 switch (in_mad
->base_version
) {
4134 case OPA_MGMT_BASE_VERSION
:
4135 if (unlikely(in_mad_size
!= sizeof(struct opa_mad
))) {
4136 dev_err(ibdev
->dma_device
, "invalid in_mad_size\n");
4137 return IB_MAD_RESULT_FAILURE
;
4139 return hfi1_process_opa_mad(ibdev
, mad_flags
, port
,
4141 (struct opa_mad
*)in_mad
,
4142 (struct opa_mad
*)out_mad
,
4144 out_mad_pkey_index
);
4145 case IB_MGMT_BASE_VERSION
:
4146 return hfi1_process_ib_mad(ibdev
, mad_flags
, port
,
4148 (const struct ib_mad
*)in_mad
,
4149 (struct ib_mad
*)out_mad
);
4154 return IB_MAD_RESULT_FAILURE
;