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, 2016 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, 2016 Intel Corporation.
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24 * modification, are permitted provided that the following conditions
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35 * from this software without specific prior written permission.
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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)))
60 /* the reset value from the FM is supposed to be 0xffff, handle both */
61 #define OPA_LINK_WIDTH_RESET_OLD 0x0fff
62 #define OPA_LINK_WIDTH_RESET 0xffff
64 static int reply(struct ib_mad_hdr
*smp
)
67 * The verbs framework will handle the directed/LID route
70 smp
->method
= IB_MGMT_METHOD_GET_RESP
;
71 if (smp
->mgmt_class
== IB_MGMT_CLASS_SUBN_DIRECTED_ROUTE
)
72 smp
->status
|= IB_SMP_DIRECTION
;
73 return IB_MAD_RESULT_SUCCESS
| IB_MAD_RESULT_REPLY
;
76 static inline void clear_opa_smp_data(struct opa_smp
*smp
)
78 void *data
= opa_get_smp_data(smp
);
79 size_t size
= opa_get_smp_data_size(smp
);
81 memset(data
, 0, size
);
84 static void send_trap(struct hfi1_ibport
*ibp
, void *data
, unsigned len
)
86 struct ib_mad_send_buf
*send_buf
;
87 struct ib_mad_agent
*agent
;
91 unsigned long timeout
;
93 u32 qpn
= ppd_from_ibp(ibp
)->sm_trap_qp
;
95 agent
= ibp
->rvp
.send_agent
;
100 if (ppd_from_ibp(ibp
)->lstate
!= IB_PORT_ACTIVE
)
104 if (ibp
->rvp
.trap_timeout
&& time_before(jiffies
,
105 ibp
->rvp
.trap_timeout
))
108 pkey_idx
= hfi1_lookup_pkey_idx(ibp
, LIM_MGMT_P_KEY
);
110 pr_warn("%s: failed to find limited mgmt pkey, defaulting 0x%x\n",
111 __func__
, hfi1_get_pkey(ibp
, 1));
115 send_buf
= ib_create_send_mad(agent
, qpn
, pkey_idx
, 0,
116 IB_MGMT_MAD_HDR
, IB_MGMT_MAD_DATA
,
117 GFP_ATOMIC
, IB_MGMT_BASE_VERSION
);
118 if (IS_ERR(send_buf
))
122 smp
->base_version
= OPA_MGMT_BASE_VERSION
;
123 smp
->mgmt_class
= IB_MGMT_CLASS_SUBN_LID_ROUTED
;
124 smp
->class_version
= OPA_SMI_CLASS_VERSION
;
125 smp
->method
= IB_MGMT_METHOD_TRAP
;
127 smp
->tid
= cpu_to_be64(ibp
->rvp
.tid
);
128 smp
->attr_id
= IB_SMP_ATTR_NOTICE
;
129 /* o14-1: smp->mkey = 0; */
130 memcpy(smp
->route
.lid
.data
, data
, len
);
132 spin_lock_irqsave(&ibp
->rvp
.lock
, flags
);
133 if (!ibp
->rvp
.sm_ah
) {
134 if (ibp
->rvp
.sm_lid
!= be16_to_cpu(IB_LID_PERMISSIVE
)) {
137 ah
= hfi1_create_qp0_ah(ibp
, ibp
->rvp
.sm_lid
);
142 ibp
->rvp
.sm_ah
= ibah_to_rvtah(ah
);
148 send_buf
->ah
= &ibp
->rvp
.sm_ah
->ibah
;
151 spin_unlock_irqrestore(&ibp
->rvp
.lock
, flags
);
154 ret
= ib_post_send_mad(send_buf
, NULL
);
157 timeout
= (4096 * (1UL << ibp
->rvp
.subnet_timeout
)) / 1000;
158 ibp
->rvp
.trap_timeout
= jiffies
+ usecs_to_jiffies(timeout
);
160 ib_free_send_mad(send_buf
);
161 ibp
->rvp
.trap_timeout
= 0;
166 * Send a bad [PQ]_Key trap (ch. 14.3.8).
168 void hfi1_bad_pqkey(struct hfi1_ibport
*ibp
, __be16 trap_num
, u32 key
, u32 sl
,
169 u32 qp1
, u32 qp2
, u16 lid1
, u16 lid2
)
171 struct opa_mad_notice_attr data
;
172 u32 lid
= ppd_from_ibp(ibp
)->lid
;
176 memset(&data
, 0, sizeof(data
));
178 if (trap_num
== OPA_TRAP_BAD_P_KEY
)
179 ibp
->rvp
.pkey_violations
++;
181 ibp
->rvp
.qkey_violations
++;
182 ibp
->rvp
.n_pkt_drops
++;
184 /* Send violation trap */
185 data
.generic_type
= IB_NOTICE_TYPE_SECURITY
;
186 data
.prod_type_lsb
= IB_NOTICE_PROD_CA
;
187 data
.trap_num
= trap_num
;
188 data
.issuer_lid
= cpu_to_be32(lid
);
189 data
.ntc_257_258
.lid1
= cpu_to_be32(_lid1
);
190 data
.ntc_257_258
.lid2
= cpu_to_be32(_lid2
);
191 data
.ntc_257_258
.key
= cpu_to_be32(key
);
192 data
.ntc_257_258
.sl
= sl
<< 3;
193 data
.ntc_257_258
.qp1
= cpu_to_be32(qp1
);
194 data
.ntc_257_258
.qp2
= cpu_to_be32(qp2
);
196 send_trap(ibp
, &data
, sizeof(data
));
200 * Send a bad M_Key trap (ch. 14.3.9).
202 static void bad_mkey(struct hfi1_ibport
*ibp
, struct ib_mad_hdr
*mad
,
203 __be64 mkey
, __be32 dr_slid
, u8 return_path
[], u8 hop_cnt
)
205 struct opa_mad_notice_attr data
;
206 u32 lid
= ppd_from_ibp(ibp
)->lid
;
208 memset(&data
, 0, sizeof(data
));
209 /* Send violation trap */
210 data
.generic_type
= IB_NOTICE_TYPE_SECURITY
;
211 data
.prod_type_lsb
= IB_NOTICE_PROD_CA
;
212 data
.trap_num
= OPA_TRAP_BAD_M_KEY
;
213 data
.issuer_lid
= cpu_to_be32(lid
);
214 data
.ntc_256
.lid
= data
.issuer_lid
;
215 data
.ntc_256
.method
= mad
->method
;
216 data
.ntc_256
.attr_id
= mad
->attr_id
;
217 data
.ntc_256
.attr_mod
= mad
->attr_mod
;
218 data
.ntc_256
.mkey
= mkey
;
219 if (mad
->mgmt_class
== IB_MGMT_CLASS_SUBN_DIRECTED_ROUTE
) {
220 data
.ntc_256
.dr_slid
= dr_slid
;
221 data
.ntc_256
.dr_trunc_hop
= IB_NOTICE_TRAP_DR_NOTICE
;
222 if (hop_cnt
> ARRAY_SIZE(data
.ntc_256
.dr_rtn_path
)) {
223 data
.ntc_256
.dr_trunc_hop
|=
224 IB_NOTICE_TRAP_DR_TRUNC
;
225 hop_cnt
= ARRAY_SIZE(data
.ntc_256
.dr_rtn_path
);
227 data
.ntc_256
.dr_trunc_hop
|= hop_cnt
;
228 memcpy(data
.ntc_256
.dr_rtn_path
, return_path
,
232 send_trap(ibp
, &data
, sizeof(data
));
236 * Send a Port Capability Mask Changed trap (ch. 14.3.11).
238 void hfi1_cap_mask_chg(struct rvt_dev_info
*rdi
, u8 port_num
)
240 struct opa_mad_notice_attr data
;
241 struct hfi1_ibdev
*verbs_dev
= dev_from_rdi(rdi
);
242 struct hfi1_devdata
*dd
= dd_from_dev(verbs_dev
);
243 struct hfi1_ibport
*ibp
= &dd
->pport
[port_num
- 1].ibport_data
;
244 u32 lid
= ppd_from_ibp(ibp
)->lid
;
246 memset(&data
, 0, sizeof(data
));
248 data
.generic_type
= IB_NOTICE_TYPE_INFO
;
249 data
.prod_type_lsb
= IB_NOTICE_PROD_CA
;
250 data
.trap_num
= OPA_TRAP_CHANGE_CAPABILITY
;
251 data
.issuer_lid
= cpu_to_be32(lid
);
252 data
.ntc_144
.lid
= data
.issuer_lid
;
253 data
.ntc_144
.new_cap_mask
= cpu_to_be32(ibp
->rvp
.port_cap_flags
);
255 send_trap(ibp
, &data
, sizeof(data
));
259 * Send a System Image GUID Changed trap (ch. 14.3.12).
261 void hfi1_sys_guid_chg(struct hfi1_ibport
*ibp
)
263 struct opa_mad_notice_attr data
;
264 u32 lid
= ppd_from_ibp(ibp
)->lid
;
266 memset(&data
, 0, sizeof(data
));
268 data
.generic_type
= IB_NOTICE_TYPE_INFO
;
269 data
.prod_type_lsb
= IB_NOTICE_PROD_CA
;
270 data
.trap_num
= OPA_TRAP_CHANGE_SYSGUID
;
271 data
.issuer_lid
= cpu_to_be32(lid
);
272 data
.ntc_145
.new_sys_guid
= ib_hfi1_sys_image_guid
;
273 data
.ntc_145
.lid
= data
.issuer_lid
;
275 send_trap(ibp
, &data
, sizeof(data
));
279 * Send a Node Description Changed trap (ch. 14.3.13).
281 void hfi1_node_desc_chg(struct hfi1_ibport
*ibp
)
283 struct opa_mad_notice_attr data
;
284 u32 lid
= ppd_from_ibp(ibp
)->lid
;
286 memset(&data
, 0, sizeof(data
));
288 data
.generic_type
= IB_NOTICE_TYPE_INFO
;
289 data
.prod_type_lsb
= IB_NOTICE_PROD_CA
;
290 data
.trap_num
= OPA_TRAP_CHANGE_CAPABILITY
;
291 data
.issuer_lid
= cpu_to_be32(lid
);
292 data
.ntc_144
.lid
= data
.issuer_lid
;
293 data
.ntc_144
.change_flags
=
294 cpu_to_be16(OPA_NOTICE_TRAP_NODE_DESC_CHG
);
296 send_trap(ibp
, &data
, sizeof(data
));
299 static int __subn_get_opa_nodedesc(struct opa_smp
*smp
, u32 am
,
300 u8
*data
, struct ib_device
*ibdev
,
301 u8 port
, u32
*resp_len
)
303 struct opa_node_description
*nd
;
306 smp
->status
|= IB_SMP_INVALID_FIELD
;
307 return reply((struct ib_mad_hdr
*)smp
);
310 nd
= (struct opa_node_description
*)data
;
312 memcpy(nd
->data
, ibdev
->node_desc
, sizeof(nd
->data
));
315 *resp_len
+= sizeof(*nd
);
317 return reply((struct ib_mad_hdr
*)smp
);
320 static int __subn_get_opa_nodeinfo(struct opa_smp
*smp
, u32 am
, u8
*data
,
321 struct ib_device
*ibdev
, u8 port
,
324 struct opa_node_info
*ni
;
325 struct hfi1_devdata
*dd
= dd_from_ibdev(ibdev
);
326 unsigned pidx
= port
- 1; /* IB number port from 1, hw from 0 */
328 ni
= (struct opa_node_info
*)data
;
330 /* GUID 0 is illegal */
331 if (am
|| pidx
>= dd
->num_pports
|| dd
->pport
[pidx
].guid
== 0) {
332 smp
->status
|= IB_SMP_INVALID_FIELD
;
333 return reply((struct ib_mad_hdr
*)smp
);
336 ni
->port_guid
= cpu_to_be64(dd
->pport
[pidx
].guid
);
337 ni
->base_version
= OPA_MGMT_BASE_VERSION
;
338 ni
->class_version
= OPA_SMI_CLASS_VERSION
;
339 ni
->node_type
= 1; /* channel adapter */
340 ni
->num_ports
= ibdev
->phys_port_cnt
;
341 /* This is already in network order */
342 ni
->system_image_guid
= ib_hfi1_sys_image_guid
;
343 /* Use first-port GUID as node */
344 ni
->node_guid
= cpu_to_be64(dd
->pport
->guid
);
345 ni
->partition_cap
= cpu_to_be16(hfi1_get_npkeys(dd
));
346 ni
->device_id
= cpu_to_be16(dd
->pcidev
->device
);
347 ni
->revision
= cpu_to_be32(dd
->minrev
);
348 ni
->local_port_num
= port
;
349 ni
->vendor_id
[0] = dd
->oui1
;
350 ni
->vendor_id
[1] = dd
->oui2
;
351 ni
->vendor_id
[2] = dd
->oui3
;
354 *resp_len
+= sizeof(*ni
);
356 return reply((struct ib_mad_hdr
*)smp
);
359 static int subn_get_nodeinfo(struct ib_smp
*smp
, struct ib_device
*ibdev
,
362 struct ib_node_info
*nip
= (struct ib_node_info
*)&smp
->data
;
363 struct hfi1_devdata
*dd
= dd_from_ibdev(ibdev
);
364 unsigned pidx
= port
- 1; /* IB number port from 1, hw from 0 */
366 /* GUID 0 is illegal */
367 if (smp
->attr_mod
|| pidx
>= dd
->num_pports
||
368 dd
->pport
[pidx
].guid
== 0)
369 smp
->status
|= IB_SMP_INVALID_FIELD
;
371 nip
->port_guid
= cpu_to_be64(dd
->pport
[pidx
].guid
);
373 nip
->base_version
= OPA_MGMT_BASE_VERSION
;
374 nip
->class_version
= OPA_SMI_CLASS_VERSION
;
375 nip
->node_type
= 1; /* channel adapter */
376 nip
->num_ports
= ibdev
->phys_port_cnt
;
377 /* This is already in network order */
378 nip
->sys_guid
= ib_hfi1_sys_image_guid
;
379 /* Use first-port GUID as node */
380 nip
->node_guid
= cpu_to_be64(dd
->pport
->guid
);
381 nip
->partition_cap
= cpu_to_be16(hfi1_get_npkeys(dd
));
382 nip
->device_id
= cpu_to_be16(dd
->pcidev
->device
);
383 nip
->revision
= cpu_to_be32(dd
->minrev
);
384 nip
->local_port_num
= port
;
385 nip
->vendor_id
[0] = dd
->oui1
;
386 nip
->vendor_id
[1] = dd
->oui2
;
387 nip
->vendor_id
[2] = dd
->oui3
;
389 return reply((struct ib_mad_hdr
*)smp
);
392 static void set_link_width_enabled(struct hfi1_pportdata
*ppd
, u32 w
)
394 (void)hfi1_set_ib_cfg(ppd
, HFI1_IB_CFG_LWID_ENB
, w
);
397 static void set_link_width_downgrade_enabled(struct hfi1_pportdata
*ppd
, u32 w
)
399 (void)hfi1_set_ib_cfg(ppd
, HFI1_IB_CFG_LWID_DG_ENB
, w
);
402 static void set_link_speed_enabled(struct hfi1_pportdata
*ppd
, u32 s
)
404 (void)hfi1_set_ib_cfg(ppd
, HFI1_IB_CFG_SPD_ENB
, s
);
407 static int check_mkey(struct hfi1_ibport
*ibp
, struct ib_mad_hdr
*mad
,
408 int mad_flags
, __be64 mkey
, __be32 dr_slid
,
409 u8 return_path
[], u8 hop_cnt
)
414 /* Is the mkey in the process of expiring? */
415 if (ibp
->rvp
.mkey_lease_timeout
&&
416 time_after_eq(jiffies
, ibp
->rvp
.mkey_lease_timeout
)) {
417 /* Clear timeout and mkey protection field. */
418 ibp
->rvp
.mkey_lease_timeout
= 0;
419 ibp
->rvp
.mkeyprot
= 0;
422 if ((mad_flags
& IB_MAD_IGNORE_MKEY
) || ibp
->rvp
.mkey
== 0 ||
423 ibp
->rvp
.mkey
== mkey
)
426 /* Unset lease timeout on any valid Get/Set/TrapRepress */
427 if (valid_mkey
&& ibp
->rvp
.mkey_lease_timeout
&&
428 (mad
->method
== IB_MGMT_METHOD_GET
||
429 mad
->method
== IB_MGMT_METHOD_SET
||
430 mad
->method
== IB_MGMT_METHOD_TRAP_REPRESS
))
431 ibp
->rvp
.mkey_lease_timeout
= 0;
434 switch (mad
->method
) {
435 case IB_MGMT_METHOD_GET
:
436 /* Bad mkey not a violation below level 2 */
437 if (ibp
->rvp
.mkeyprot
< 2)
439 case IB_MGMT_METHOD_SET
:
440 case IB_MGMT_METHOD_TRAP_REPRESS
:
441 if (ibp
->rvp
.mkey_violations
!= 0xFFFF)
442 ++ibp
->rvp
.mkey_violations
;
443 if (!ibp
->rvp
.mkey_lease_timeout
&&
444 ibp
->rvp
.mkey_lease_period
)
445 ibp
->rvp
.mkey_lease_timeout
= jiffies
+
446 ibp
->rvp
.mkey_lease_period
* HZ
;
447 /* Generate a trap notice. */
448 bad_mkey(ibp
, mad
, mkey
, dr_slid
, return_path
,
458 * The SMA caches reads from LCB registers in case the LCB is unavailable.
459 * (The LCB is unavailable in certain link states, for example.)
466 static struct lcb_datum lcb_cache
[] = {
467 { DC_LCB_STS_ROUND_TRIP_LTP_CNT
, 0 },
470 static int write_lcb_cache(u32 off
, u64 val
)
474 for (i
= 0; i
< ARRAY_SIZE(lcb_cache
); i
++) {
475 if (lcb_cache
[i
].off
== off
) {
476 lcb_cache
[i
].val
= val
;
481 pr_warn("%s bad offset 0x%x\n", __func__
, off
);
485 static int read_lcb_cache(u32 off
, u64
*val
)
489 for (i
= 0; i
< ARRAY_SIZE(lcb_cache
); i
++) {
490 if (lcb_cache
[i
].off
== off
) {
491 *val
= lcb_cache
[i
].val
;
496 pr_warn("%s bad offset 0x%x\n", __func__
, off
);
500 void read_ltp_rtt(struct hfi1_devdata
*dd
)
504 if (read_lcb_csr(dd
, DC_LCB_STS_ROUND_TRIP_LTP_CNT
, ®
))
505 dd_dev_err(dd
, "%s: unable to read LTP RTT\n", __func__
);
507 write_lcb_cache(DC_LCB_STS_ROUND_TRIP_LTP_CNT
, reg
);
510 static int __subn_get_opa_portinfo(struct opa_smp
*smp
, u32 am
, u8
*data
,
511 struct ib_device
*ibdev
, u8 port
,
515 struct hfi1_devdata
*dd
;
516 struct hfi1_pportdata
*ppd
;
517 struct hfi1_ibport
*ibp
;
518 struct opa_port_info
*pi
= (struct opa_port_info
*)data
;
522 u32 num_ports
= OPA_AM_NPORT(am
);
523 u32 start_of_sm_config
= OPA_AM_START_SM_CFG(am
);
527 if (num_ports
!= 1) {
528 smp
->status
|= IB_SMP_INVALID_FIELD
;
529 return reply((struct ib_mad_hdr
*)smp
);
532 dd
= dd_from_ibdev(ibdev
);
533 /* IB numbers ports from 1, hw from 0 */
534 ppd
= dd
->pport
+ (port
- 1);
535 ibp
= &ppd
->ibport_data
;
537 if (ppd
->vls_supported
/ 2 > ARRAY_SIZE(pi
->neigh_mtu
.pvlx_to_mtu
) ||
538 ppd
->vls_supported
> ARRAY_SIZE(dd
->vld
)) {
539 smp
->status
|= IB_SMP_INVALID_FIELD
;
540 return reply((struct ib_mad_hdr
*)smp
);
543 pi
->lid
= cpu_to_be32(ppd
->lid
);
545 /* Only return the mkey if the protection field allows it. */
546 if (!(smp
->method
== IB_MGMT_METHOD_GET
&&
547 ibp
->rvp
.mkey
!= smp
->mkey
&&
548 ibp
->rvp
.mkeyprot
== 1))
549 pi
->mkey
= ibp
->rvp
.mkey
;
551 pi
->subnet_prefix
= ibp
->rvp
.gid_prefix
;
552 pi
->sm_lid
= cpu_to_be32(ibp
->rvp
.sm_lid
);
553 pi
->ib_cap_mask
= cpu_to_be32(ibp
->rvp
.port_cap_flags
);
554 pi
->mkey_lease_period
= cpu_to_be16(ibp
->rvp
.mkey_lease_period
);
555 pi
->sm_trap_qp
= cpu_to_be32(ppd
->sm_trap_qp
);
556 pi
->sa_qp
= cpu_to_be32(ppd
->sa_qp
);
558 pi
->link_width
.enabled
= cpu_to_be16(ppd
->link_width_enabled
);
559 pi
->link_width
.supported
= cpu_to_be16(ppd
->link_width_supported
);
560 pi
->link_width
.active
= cpu_to_be16(ppd
->link_width_active
);
562 pi
->link_width_downgrade
.supported
=
563 cpu_to_be16(ppd
->link_width_downgrade_supported
);
564 pi
->link_width_downgrade
.enabled
=
565 cpu_to_be16(ppd
->link_width_downgrade_enabled
);
566 pi
->link_width_downgrade
.tx_active
=
567 cpu_to_be16(ppd
->link_width_downgrade_tx_active
);
568 pi
->link_width_downgrade
.rx_active
=
569 cpu_to_be16(ppd
->link_width_downgrade_rx_active
);
571 pi
->link_speed
.supported
= cpu_to_be16(ppd
->link_speed_supported
);
572 pi
->link_speed
.active
= cpu_to_be16(ppd
->link_speed_active
);
573 pi
->link_speed
.enabled
= cpu_to_be16(ppd
->link_speed_enabled
);
575 state
= driver_lstate(ppd
);
577 if (start_of_sm_config
&& (state
== IB_PORT_INIT
))
578 ppd
->is_sm_config_started
= 1;
580 pi
->port_phys_conf
= (ppd
->port_type
& 0xf);
582 #if PI_LED_ENABLE_SUP
583 pi
->port_states
.ledenable_offlinereason
= ppd
->neighbor_normal
<< 4;
584 pi
->port_states
.ledenable_offlinereason
|=
585 ppd
->is_sm_config_started
<< 5;
586 pi
->port_states
.ledenable_offlinereason
|=
587 ppd
->offline_disabled_reason
;
589 pi
->port_states
.offline_reason
= ppd
->neighbor_normal
<< 4;
590 pi
->port_states
.offline_reason
|= ppd
->is_sm_config_started
<< 5;
591 pi
->port_states
.offline_reason
|= ppd
->offline_disabled_reason
;
592 #endif /* PI_LED_ENABLE_SUP */
594 pi
->port_states
.portphysstate_portstate
=
595 (hfi1_ibphys_portstate(ppd
) << 4) | state
;
597 pi
->mkeyprotect_lmc
= (ibp
->rvp
.mkeyprot
<< 6) | ppd
->lmc
;
599 memset(pi
->neigh_mtu
.pvlx_to_mtu
, 0, sizeof(pi
->neigh_mtu
.pvlx_to_mtu
));
600 for (i
= 0; i
< ppd
->vls_supported
; i
++) {
601 mtu
= mtu_to_enum(dd
->vld
[i
].mtu
, HFI1_DEFAULT_ACTIVE_MTU
);
603 pi
->neigh_mtu
.pvlx_to_mtu
[i
/ 2] |= (mtu
<< 4);
605 pi
->neigh_mtu
.pvlx_to_mtu
[i
/ 2] |= mtu
;
607 /* don't forget VL 15 */
608 mtu
= mtu_to_enum(dd
->vld
[15].mtu
, 2048);
609 pi
->neigh_mtu
.pvlx_to_mtu
[15 / 2] |= mtu
;
610 pi
->smsl
= ibp
->rvp
.sm_sl
& OPA_PI_MASK_SMSL
;
611 pi
->operational_vls
= hfi1_get_ib_cfg(ppd
, HFI1_IB_CFG_OP_VLS
);
612 pi
->partenforce_filterraw
|=
613 (ppd
->linkinit_reason
& OPA_PI_MASK_LINKINIT_REASON
);
614 if (ppd
->part_enforce
& HFI1_PART_ENFORCE_IN
)
615 pi
->partenforce_filterraw
|= OPA_PI_MASK_PARTITION_ENFORCE_IN
;
616 if (ppd
->part_enforce
& HFI1_PART_ENFORCE_OUT
)
617 pi
->partenforce_filterraw
|= OPA_PI_MASK_PARTITION_ENFORCE_OUT
;
618 pi
->mkey_violations
= cpu_to_be16(ibp
->rvp
.mkey_violations
);
619 /* P_KeyViolations are counted by hardware. */
620 pi
->pkey_violations
= cpu_to_be16(ibp
->rvp
.pkey_violations
);
621 pi
->qkey_violations
= cpu_to_be16(ibp
->rvp
.qkey_violations
);
623 pi
->vl
.cap
= ppd
->vls_supported
;
624 pi
->vl
.high_limit
= cpu_to_be16(ibp
->rvp
.vl_high_limit
);
625 pi
->vl
.arb_high_cap
= (u8
)hfi1_get_ib_cfg(ppd
, HFI1_IB_CFG_VL_HIGH_CAP
);
626 pi
->vl
.arb_low_cap
= (u8
)hfi1_get_ib_cfg(ppd
, HFI1_IB_CFG_VL_LOW_CAP
);
628 pi
->clientrereg_subnettimeout
= ibp
->rvp
.subnet_timeout
;
630 pi
->port_link_mode
= cpu_to_be16(OPA_PORT_LINK_MODE_OPA
<< 10 |
631 OPA_PORT_LINK_MODE_OPA
<< 5 |
632 OPA_PORT_LINK_MODE_OPA
);
634 pi
->port_ltp_crc_mode
= cpu_to_be16(ppd
->port_ltp_crc_mode
);
636 pi
->port_mode
= cpu_to_be16(
637 ppd
->is_active_optimize_enabled
?
638 OPA_PI_MASK_PORT_ACTIVE_OPTOMIZE
: 0);
640 pi
->port_packet_format
.supported
=
641 cpu_to_be16(OPA_PORT_PACKET_FORMAT_9B
);
642 pi
->port_packet_format
.enabled
=
643 cpu_to_be16(OPA_PORT_PACKET_FORMAT_9B
);
645 /* flit_control.interleave is (OPA V1, version .76):
649 * 2 DistanceSupported
651 * 5 MaxNextLevelTxEnabled
652 * 5 MaxNestLevelRxSupported
654 * HFI supports only "distance mode 1" (see OPA V1, version .76,
655 * section 9.6.2), so set DistanceSupported, DistanceEnabled
658 pi
->flit_control
.interleave
= cpu_to_be16(0x1400);
660 pi
->link_down_reason
= ppd
->local_link_down_reason
.sma
;
661 pi
->neigh_link_down_reason
= ppd
->neigh_link_down_reason
.sma
;
662 pi
->port_error_action
= cpu_to_be32(ppd
->port_error_action
);
663 pi
->mtucap
= mtu_to_enum(hfi1_max_mtu
, IB_MTU_4096
);
665 /* 32.768 usec. response time (guessing) */
666 pi
->resptimevalue
= 3;
668 pi
->local_port_num
= port
;
670 /* buffer info for FM */
671 pi
->overall_buffer_space
= cpu_to_be16(dd
->link_credits
);
673 pi
->neigh_node_guid
= cpu_to_be64(ppd
->neighbor_guid
);
674 pi
->neigh_port_num
= ppd
->neighbor_port_number
;
675 pi
->port_neigh_mode
=
676 (ppd
->neighbor_type
& OPA_PI_MASK_NEIGH_NODE_TYPE
) |
677 (ppd
->mgmt_allowed
? OPA_PI_MASK_NEIGH_MGMT_ALLOWED
: 0) |
678 (ppd
->neighbor_fm_security
?
679 OPA_PI_MASK_NEIGH_FW_AUTH_BYPASS
: 0);
681 /* HFIs shall always return VL15 credits to their
682 * neighbor in a timely manner, without any credit return pacing.
685 buffer_units
= (dd
->vau
) & OPA_PI_MASK_BUF_UNIT_BUF_ALLOC
;
686 buffer_units
|= (dd
->vcu
<< 3) & OPA_PI_MASK_BUF_UNIT_CREDIT_ACK
;
687 buffer_units
|= (credit_rate
<< 6) &
688 OPA_PI_MASK_BUF_UNIT_VL15_CREDIT_RATE
;
689 buffer_units
|= (dd
->vl15_init
<< 11) & OPA_PI_MASK_BUF_UNIT_VL15_INIT
;
690 pi
->buffer_units
= cpu_to_be32(buffer_units
);
692 pi
->opa_cap_mask
= cpu_to_be16(OPA_CAP_MASK3_IsSharedSpaceSupported
);
694 /* HFI supports a replay buffer 128 LTPs in size */
695 pi
->replay_depth
.buffer
= 0x80;
696 /* read the cached value of DC_LCB_STS_ROUND_TRIP_LTP_CNT */
697 read_lcb_cache(DC_LCB_STS_ROUND_TRIP_LTP_CNT
, &tmp
);
699 /* this counter is 16 bits wide, but the replay_depth.wire
700 * variable is only 8 bits */
703 pi
->replay_depth
.wire
= tmp
;
706 *resp_len
+= sizeof(struct opa_port_info
);
708 return reply((struct ib_mad_hdr
*)smp
);
712 * get_pkeys - return the PKEY table
713 * @dd: the hfi1_ib device
714 * @port: the IB port number
715 * @pkeys: the pkey table is placed here
717 static int get_pkeys(struct hfi1_devdata
*dd
, u8 port
, u16
*pkeys
)
719 struct hfi1_pportdata
*ppd
= dd
->pport
+ port
- 1;
721 memcpy(pkeys
, ppd
->pkeys
, sizeof(ppd
->pkeys
));
726 static int __subn_get_opa_pkeytable(struct opa_smp
*smp
, u32 am
, u8
*data
,
727 struct ib_device
*ibdev
, u8 port
,
730 struct hfi1_devdata
*dd
= dd_from_ibdev(ibdev
);
731 u32 n_blocks_req
= OPA_AM_NBLK(am
);
732 u32 start_block
= am
& 0x7ff;
737 unsigned npkeys
= hfi1_get_npkeys(dd
);
740 if (n_blocks_req
== 0) {
741 pr_warn("OPA Get PKey AM Invalid : P = %d; B = 0x%x; N = 0x%x\n",
742 port
, start_block
, n_blocks_req
);
743 smp
->status
|= IB_SMP_INVALID_FIELD
;
744 return reply((struct ib_mad_hdr
*)smp
);
747 n_blocks_avail
= (u16
)(npkeys
/ OPA_PARTITION_TABLE_BLK_SIZE
) + 1;
749 size
= (n_blocks_req
* OPA_PARTITION_TABLE_BLK_SIZE
) * sizeof(u16
);
751 if (start_block
+ n_blocks_req
> n_blocks_avail
||
752 n_blocks_req
> OPA_NUM_PKEY_BLOCKS_PER_SMP
) {
753 pr_warn("OPA Get PKey AM Invalid : s 0x%x; req 0x%x; "
754 "avail 0x%x; blk/smp 0x%lx\n",
755 start_block
, n_blocks_req
, n_blocks_avail
,
756 OPA_NUM_PKEY_BLOCKS_PER_SMP
);
757 smp
->status
|= IB_SMP_INVALID_FIELD
;
758 return reply((struct ib_mad_hdr
*)smp
);
763 /* get the real pkeys if we are requesting the first block */
764 if (start_block
== 0) {
765 get_pkeys(dd
, port
, q
);
766 for (i
= 0; i
< npkeys
; i
++)
767 p
[i
] = cpu_to_be16(q
[i
]);
771 smp
->status
|= IB_SMP_INVALID_FIELD
;
773 return reply((struct ib_mad_hdr
*)smp
);
777 HFI_TRANSITION_DISALLOWED
,
778 HFI_TRANSITION_IGNORED
,
779 HFI_TRANSITION_ALLOWED
,
780 HFI_TRANSITION_UNDEFINED
,
784 * Use shortened names to improve readability of
785 * {logical,physical}_state_transitions
788 __D
= HFI_TRANSITION_DISALLOWED
,
789 __I
= HFI_TRANSITION_IGNORED
,
790 __A
= HFI_TRANSITION_ALLOWED
,
791 __U
= HFI_TRANSITION_UNDEFINED
,
795 * IB_PORTPHYSSTATE_POLLING (2) through OPA_PORTPHYSSTATE_MAX (11) are
796 * represented in physical_state_transitions.
798 #define __N_PHYSTATES (OPA_PORTPHYSSTATE_MAX - IB_PORTPHYSSTATE_POLLING + 1)
801 * Within physical_state_transitions, rows represent "old" states,
802 * columns "new" states, and physical_state_transitions.allowed[old][new]
803 * indicates if the transition from old state to new state is legal (see
804 * OPAg1v1, Table 6-4).
806 static const struct {
807 u8 allowed
[__N_PHYSTATES
][__N_PHYSTATES
];
808 } physical_state_transitions
= {
810 /* 2 3 4 5 6 7 8 9 10 11 */
811 /* 2 */ { __A
, __A
, __D
, __D
, __D
, __D
, __D
, __D
, __D
, __D
},
812 /* 3 */ { __A
, __I
, __D
, __D
, __D
, __D
, __D
, __D
, __D
, __A
},
813 /* 4 */ { __U
, __U
, __U
, __U
, __U
, __U
, __U
, __U
, __U
, __U
},
814 /* 5 */ { __A
, __A
, __D
, __I
, __D
, __D
, __D
, __D
, __D
, __D
},
815 /* 6 */ { __U
, __U
, __U
, __U
, __U
, __U
, __U
, __U
, __U
, __U
},
816 /* 7 */ { __D
, __A
, __D
, __D
, __D
, __I
, __D
, __D
, __D
, __D
},
817 /* 8 */ { __U
, __U
, __U
, __U
, __U
, __U
, __U
, __U
, __U
, __U
},
818 /* 9 */ { __I
, __A
, __D
, __D
, __D
, __D
, __D
, __I
, __D
, __D
},
819 /*10 */ { __U
, __U
, __U
, __U
, __U
, __U
, __U
, __U
, __U
, __U
},
820 /*11 */ { __D
, __A
, __D
, __D
, __D
, __D
, __D
, __D
, __D
, __I
},
825 * IB_PORT_DOWN (1) through IB_PORT_ACTIVE_DEFER (5) are represented
826 * logical_state_transitions
829 #define __N_LOGICAL_STATES (IB_PORT_ACTIVE_DEFER - IB_PORT_DOWN + 1)
832 * Within logical_state_transitions rows represent "old" states,
833 * columns "new" states, and logical_state_transitions.allowed[old][new]
834 * indicates if the transition from old state to new state is legal (see
835 * OPAg1v1, Table 9-12).
837 static const struct {
838 u8 allowed
[__N_LOGICAL_STATES
][__N_LOGICAL_STATES
];
839 } logical_state_transitions
= {
842 /* 1 */ { __I
, __D
, __D
, __D
, __U
},
843 /* 2 */ { __D
, __I
, __A
, __D
, __U
},
844 /* 3 */ { __D
, __D
, __I
, __A
, __U
},
845 /* 4 */ { __D
, __D
, __I
, __I
, __U
},
846 /* 5 */ { __U
, __U
, __U
, __U
, __U
},
850 static int logical_transition_allowed(int old
, int new)
852 if (old
< IB_PORT_NOP
|| old
> IB_PORT_ACTIVE_DEFER
||
853 new < IB_PORT_NOP
|| new > IB_PORT_ACTIVE_DEFER
) {
854 pr_warn("invalid logical state(s) (old %d new %d)\n",
856 return HFI_TRANSITION_UNDEFINED
;
859 if (new == IB_PORT_NOP
)
860 return HFI_TRANSITION_ALLOWED
; /* always allowed */
862 /* adjust states for indexing into logical_state_transitions */
866 if (old
< 0 || new < 0)
867 return HFI_TRANSITION_UNDEFINED
;
868 return logical_state_transitions
.allowed
[old
][new];
871 static int physical_transition_allowed(int old
, int new)
873 if (old
< IB_PORTPHYSSTATE_NOP
|| old
> OPA_PORTPHYSSTATE_MAX
||
874 new < IB_PORTPHYSSTATE_NOP
|| new > OPA_PORTPHYSSTATE_MAX
) {
875 pr_warn("invalid physical state(s) (old %d new %d)\n",
877 return HFI_TRANSITION_UNDEFINED
;
880 if (new == IB_PORTPHYSSTATE_NOP
)
881 return HFI_TRANSITION_ALLOWED
; /* always allowed */
883 /* adjust states for indexing into physical_state_transitions */
884 old
-= IB_PORTPHYSSTATE_POLLING
;
885 new -= IB_PORTPHYSSTATE_POLLING
;
887 if (old
< 0 || new < 0)
888 return HFI_TRANSITION_UNDEFINED
;
889 return physical_state_transitions
.allowed
[old
][new];
892 static int port_states_transition_allowed(struct hfi1_pportdata
*ppd
,
893 u32 logical_new
, u32 physical_new
)
895 u32 physical_old
= driver_physical_state(ppd
);
896 u32 logical_old
= driver_logical_state(ppd
);
897 int ret
, logical_allowed
, physical_allowed
;
899 ret
= logical_transition_allowed(logical_old
, logical_new
);
900 logical_allowed
= ret
;
902 if (ret
== HFI_TRANSITION_DISALLOWED
||
903 ret
== HFI_TRANSITION_UNDEFINED
) {
904 pr_warn("invalid logical state transition %s -> %s\n",
905 opa_lstate_name(logical_old
),
906 opa_lstate_name(logical_new
));
910 ret
= physical_transition_allowed(physical_old
, physical_new
);
911 physical_allowed
= ret
;
913 if (ret
== HFI_TRANSITION_DISALLOWED
||
914 ret
== HFI_TRANSITION_UNDEFINED
) {
915 pr_warn("invalid physical state transition %s -> %s\n",
916 opa_pstate_name(physical_old
),
917 opa_pstate_name(physical_new
));
921 if (logical_allowed
== HFI_TRANSITION_IGNORED
&&
922 physical_allowed
== HFI_TRANSITION_IGNORED
)
923 return HFI_TRANSITION_IGNORED
;
926 * A change request of Physical Port State from
927 * 'Offline' to 'Polling' should be ignored.
929 if ((physical_old
== OPA_PORTPHYSSTATE_OFFLINE
) &&
930 (physical_new
== IB_PORTPHYSSTATE_POLLING
))
931 return HFI_TRANSITION_IGNORED
;
934 * Either physical_allowed or logical_allowed is
935 * HFI_TRANSITION_ALLOWED.
937 return HFI_TRANSITION_ALLOWED
;
940 static int set_port_states(struct hfi1_pportdata
*ppd
, struct opa_smp
*smp
,
941 u32 logical_state
, u32 phys_state
,
942 int suppress_idle_sma
)
944 struct hfi1_devdata
*dd
= ppd
->dd
;
948 ret
= port_states_transition_allowed(ppd
, logical_state
, phys_state
);
949 if (ret
== HFI_TRANSITION_DISALLOWED
||
950 ret
== HFI_TRANSITION_UNDEFINED
) {
951 /* error message emitted above */
952 smp
->status
|= IB_SMP_INVALID_FIELD
;
956 if (ret
== HFI_TRANSITION_IGNORED
)
959 if ((phys_state
!= IB_PORTPHYSSTATE_NOP
) &&
960 !(logical_state
== IB_PORT_DOWN
||
961 logical_state
== IB_PORT_NOP
)){
962 pr_warn("SubnSet(OPA_PortInfo) port state invalid: logical_state 0x%x physical_state 0x%x\n",
963 logical_state
, phys_state
);
964 smp
->status
|= IB_SMP_INVALID_FIELD
;
968 * Logical state changes are summarized in OPAv1g1 spec.,
969 * Table 9-12; physical state changes are summarized in
970 * OPAv1g1 spec., Table 6.4.
972 switch (logical_state
) {
974 if (phys_state
== IB_PORTPHYSSTATE_NOP
)
978 if (phys_state
== IB_PORTPHYSSTATE_NOP
)
979 link_state
= HLS_DN_DOWNDEF
;
980 else if (phys_state
== IB_PORTPHYSSTATE_POLLING
) {
981 link_state
= HLS_DN_POLL
;
982 set_link_down_reason(ppd
,
983 OPA_LINKDOWN_REASON_FM_BOUNCE
, 0,
984 OPA_LINKDOWN_REASON_FM_BOUNCE
);
985 } else if (phys_state
== IB_PORTPHYSSTATE_DISABLED
)
986 link_state
= HLS_DN_DISABLE
;
988 pr_warn("SubnSet(OPA_PortInfo) invalid physical state 0x%x\n",
990 smp
->status
|= IB_SMP_INVALID_FIELD
;
994 set_link_state(ppd
, link_state
);
995 if (link_state
== HLS_DN_DISABLE
&&
996 (ppd
->offline_disabled_reason
>
997 HFI1_ODR_MASK(OPA_LINKDOWN_REASON_SMA_DISABLED
) ||
998 ppd
->offline_disabled_reason
==
999 HFI1_ODR_MASK(OPA_LINKDOWN_REASON_NONE
)))
1000 ppd
->offline_disabled_reason
=
1001 HFI1_ODR_MASK(OPA_LINKDOWN_REASON_SMA_DISABLED
);
1003 * Don't send a reply if the response would be sent
1004 * through the disabled port.
1006 if (link_state
== HLS_DN_DISABLE
&& smp
->hop_cnt
)
1007 return IB_MAD_RESULT_SUCCESS
| IB_MAD_RESULT_CONSUMED
;
1010 ret
= set_link_state(ppd
, HLS_UP_ARMED
);
1011 if ((ret
== 0) && (suppress_idle_sma
== 0))
1012 send_idle_sma(dd
, SMA_IDLE_ARM
);
1014 case IB_PORT_ACTIVE
:
1015 if (ppd
->neighbor_normal
) {
1016 ret
= set_link_state(ppd
, HLS_UP_ACTIVE
);
1018 send_idle_sma(dd
, SMA_IDLE_ACTIVE
);
1020 pr_warn("SubnSet(OPA_PortInfo) Cannot move to Active with NeighborNormal 0\n");
1021 smp
->status
|= IB_SMP_INVALID_FIELD
;
1025 pr_warn("SubnSet(OPA_PortInfo) invalid logical state 0x%x\n",
1027 smp
->status
|= IB_SMP_INVALID_FIELD
;
1034 * subn_set_opa_portinfo - set port information
1035 * @smp: the incoming SM packet
1036 * @ibdev: the infiniband device
1037 * @port: the port on the device
1040 static int __subn_set_opa_portinfo(struct opa_smp
*smp
, u32 am
, u8
*data
,
1041 struct ib_device
*ibdev
, u8 port
,
1044 struct opa_port_info
*pi
= (struct opa_port_info
*)data
;
1045 struct ib_event event
;
1046 struct hfi1_devdata
*dd
;
1047 struct hfi1_pportdata
*ppd
;
1048 struct hfi1_ibport
*ibp
;
1050 unsigned long flags
;
1051 u32 smlid
, opa_lid
; /* tmp vars to hold LID values */
1053 u8 ls_old
, ls_new
, ps_new
;
1058 u32 num_ports
= OPA_AM_NPORT(am
);
1059 u32 start_of_sm_config
= OPA_AM_START_SM_CFG(am
);
1060 int ret
, i
, invalid
= 0, call_set_mtu
= 0;
1061 int call_link_downgrade_policy
= 0;
1063 if (num_ports
!= 1) {
1064 smp
->status
|= IB_SMP_INVALID_FIELD
;
1065 return reply((struct ib_mad_hdr
*)smp
);
1068 opa_lid
= be32_to_cpu(pi
->lid
);
1069 if (opa_lid
& 0xFFFF0000) {
1070 pr_warn("OPA_PortInfo lid out of range: %X\n", opa_lid
);
1071 smp
->status
|= IB_SMP_INVALID_FIELD
;
1075 lid
= (u16
)(opa_lid
& 0x0000FFFF);
1077 smlid
= be32_to_cpu(pi
->sm_lid
);
1078 if (smlid
& 0xFFFF0000) {
1079 pr_warn("OPA_PortInfo SM lid out of range: %X\n", smlid
);
1080 smp
->status
|= IB_SMP_INVALID_FIELD
;
1083 smlid
&= 0x0000FFFF;
1085 clientrereg
= (pi
->clientrereg_subnettimeout
&
1086 OPA_PI_MASK_CLIENT_REREGISTER
);
1088 dd
= dd_from_ibdev(ibdev
);
1089 /* IB numbers ports from 1, hw from 0 */
1090 ppd
= dd
->pport
+ (port
- 1);
1091 ibp
= &ppd
->ibport_data
;
1092 event
.device
= ibdev
;
1093 event
.element
.port_num
= port
;
1095 ls_old
= driver_lstate(ppd
);
1097 ibp
->rvp
.mkey
= pi
->mkey
;
1098 ibp
->rvp
.gid_prefix
= pi
->subnet_prefix
;
1099 ibp
->rvp
.mkey_lease_period
= be16_to_cpu(pi
->mkey_lease_period
);
1101 /* Must be a valid unicast LID address. */
1102 if ((lid
== 0 && ls_old
> IB_PORT_INIT
) ||
1103 lid
>= be16_to_cpu(IB_MULTICAST_LID_BASE
)) {
1104 smp
->status
|= IB_SMP_INVALID_FIELD
;
1105 pr_warn("SubnSet(OPA_PortInfo) lid invalid 0x%x\n",
1107 } else if (ppd
->lid
!= lid
||
1108 ppd
->lmc
!= (pi
->mkeyprotect_lmc
& OPA_PI_MASK_LMC
)) {
1109 if (ppd
->lid
!= lid
)
1110 hfi1_set_uevent_bits(ppd
, _HFI1_EVENT_LID_CHANGE_BIT
);
1111 if (ppd
->lmc
!= (pi
->mkeyprotect_lmc
& OPA_PI_MASK_LMC
))
1112 hfi1_set_uevent_bits(ppd
, _HFI1_EVENT_LMC_CHANGE_BIT
);
1113 hfi1_set_lid(ppd
, lid
, pi
->mkeyprotect_lmc
& OPA_PI_MASK_LMC
);
1114 event
.event
= IB_EVENT_LID_CHANGE
;
1115 ib_dispatch_event(&event
);
1118 msl
= pi
->smsl
& OPA_PI_MASK_SMSL
;
1119 if (pi
->partenforce_filterraw
& OPA_PI_MASK_LINKINIT_REASON
)
1120 ppd
->linkinit_reason
=
1121 (pi
->partenforce_filterraw
&
1122 OPA_PI_MASK_LINKINIT_REASON
);
1123 /* enable/disable SW pkey checking as per FM control */
1124 if (pi
->partenforce_filterraw
& OPA_PI_MASK_PARTITION_ENFORCE_IN
)
1125 ppd
->part_enforce
|= HFI1_PART_ENFORCE_IN
;
1127 ppd
->part_enforce
&= ~HFI1_PART_ENFORCE_IN
;
1129 if (pi
->partenforce_filterraw
& OPA_PI_MASK_PARTITION_ENFORCE_OUT
)
1130 ppd
->part_enforce
|= HFI1_PART_ENFORCE_OUT
;
1132 ppd
->part_enforce
&= ~HFI1_PART_ENFORCE_OUT
;
1134 /* Must be a valid unicast LID address. */
1135 if ((smlid
== 0 && ls_old
> IB_PORT_INIT
) ||
1136 smlid
>= be16_to_cpu(IB_MULTICAST_LID_BASE
)) {
1137 smp
->status
|= IB_SMP_INVALID_FIELD
;
1138 pr_warn("SubnSet(OPA_PortInfo) smlid invalid 0x%x\n", smlid
);
1139 } else if (smlid
!= ibp
->rvp
.sm_lid
|| msl
!= ibp
->rvp
.sm_sl
) {
1140 pr_warn("SubnSet(OPA_PortInfo) smlid 0x%x\n", smlid
);
1141 spin_lock_irqsave(&ibp
->rvp
.lock
, flags
);
1142 if (ibp
->rvp
.sm_ah
) {
1143 if (smlid
!= ibp
->rvp
.sm_lid
)
1144 ibp
->rvp
.sm_ah
->attr
.dlid
= smlid
;
1145 if (msl
!= ibp
->rvp
.sm_sl
)
1146 ibp
->rvp
.sm_ah
->attr
.sl
= msl
;
1148 spin_unlock_irqrestore(&ibp
->rvp
.lock
, flags
);
1149 if (smlid
!= ibp
->rvp
.sm_lid
)
1150 ibp
->rvp
.sm_lid
= smlid
;
1151 if (msl
!= ibp
->rvp
.sm_sl
)
1152 ibp
->rvp
.sm_sl
= msl
;
1153 event
.event
= IB_EVENT_SM_CHANGE
;
1154 ib_dispatch_event(&event
);
1157 if (pi
->link_down_reason
== 0) {
1158 ppd
->local_link_down_reason
.sma
= 0;
1159 ppd
->local_link_down_reason
.latest
= 0;
1162 if (pi
->neigh_link_down_reason
== 0) {
1163 ppd
->neigh_link_down_reason
.sma
= 0;
1164 ppd
->neigh_link_down_reason
.latest
= 0;
1167 ppd
->sm_trap_qp
= be32_to_cpu(pi
->sm_trap_qp
);
1168 ppd
->sa_qp
= be32_to_cpu(pi
->sa_qp
);
1170 ppd
->port_error_action
= be32_to_cpu(pi
->port_error_action
);
1171 lwe
= be16_to_cpu(pi
->link_width
.enabled
);
1173 if (lwe
== OPA_LINK_WIDTH_RESET
||
1174 lwe
== OPA_LINK_WIDTH_RESET_OLD
)
1175 set_link_width_enabled(ppd
, ppd
->link_width_supported
);
1176 else if ((lwe
& ~ppd
->link_width_supported
) == 0)
1177 set_link_width_enabled(ppd
, lwe
);
1179 smp
->status
|= IB_SMP_INVALID_FIELD
;
1181 lwe
= be16_to_cpu(pi
->link_width_downgrade
.enabled
);
1182 /* LWD.E is always applied - 0 means "disabled" */
1183 if (lwe
== OPA_LINK_WIDTH_RESET
||
1184 lwe
== OPA_LINK_WIDTH_RESET_OLD
) {
1185 set_link_width_downgrade_enabled(ppd
,
1186 ppd
->link_width_downgrade_supported
);
1187 } else if ((lwe
& ~ppd
->link_width_downgrade_supported
) == 0) {
1188 /* only set and apply if something changed */
1189 if (lwe
!= ppd
->link_width_downgrade_enabled
) {
1190 set_link_width_downgrade_enabled(ppd
, lwe
);
1191 call_link_downgrade_policy
= 1;
1194 smp
->status
|= IB_SMP_INVALID_FIELD
;
1196 lse
= be16_to_cpu(pi
->link_speed
.enabled
);
1198 if (lse
& be16_to_cpu(pi
->link_speed
.supported
))
1199 set_link_speed_enabled(ppd
, lse
);
1201 smp
->status
|= IB_SMP_INVALID_FIELD
;
1205 (pi
->mkeyprotect_lmc
& OPA_PI_MASK_MKEY_PROT_BIT
) >> 6;
1206 ibp
->rvp
.vl_high_limit
= be16_to_cpu(pi
->vl
.high_limit
) & 0xFF;
1207 (void)hfi1_set_ib_cfg(ppd
, HFI1_IB_CFG_VL_HIGH_LIMIT
,
1208 ibp
->rvp
.vl_high_limit
);
1210 if (ppd
->vls_supported
/ 2 > ARRAY_SIZE(pi
->neigh_mtu
.pvlx_to_mtu
) ||
1211 ppd
->vls_supported
> ARRAY_SIZE(dd
->vld
)) {
1212 smp
->status
|= IB_SMP_INVALID_FIELD
;
1213 return reply((struct ib_mad_hdr
*)smp
);
1215 for (i
= 0; i
< ppd
->vls_supported
; i
++) {
1217 mtu
= enum_to_mtu((pi
->neigh_mtu
.pvlx_to_mtu
[i
/ 2] >> 4)
1220 mtu
= enum_to_mtu(pi
->neigh_mtu
.pvlx_to_mtu
[i
/ 2] & 0xF);
1221 if (mtu
== 0xffff) {
1222 pr_warn("SubnSet(OPA_PortInfo) mtu invalid %d (0x%x)\n",
1224 (pi
->neigh_mtu
.pvlx_to_mtu
[0] >> 4) & 0xF);
1225 smp
->status
|= IB_SMP_INVALID_FIELD
;
1226 mtu
= hfi1_max_mtu
; /* use a valid MTU */
1228 if (dd
->vld
[i
].mtu
!= mtu
) {
1230 "MTU change on vl %d from %d to %d\n",
1231 i
, dd
->vld
[i
].mtu
, mtu
);
1232 dd
->vld
[i
].mtu
= mtu
;
1236 /* As per OPAV1 spec: VL15 must support and be configured
1237 * for operation with a 2048 or larger MTU.
1239 mtu
= enum_to_mtu(pi
->neigh_mtu
.pvlx_to_mtu
[15 / 2] & 0xF);
1240 if (mtu
< 2048 || mtu
== 0xffff)
1242 if (dd
->vld
[15].mtu
!= mtu
) {
1244 "MTU change on vl 15 from %d to %d\n",
1245 dd
->vld
[15].mtu
, mtu
);
1246 dd
->vld
[15].mtu
= mtu
;
1252 /* Set operational VLs */
1253 vls
= pi
->operational_vls
& OPA_PI_MASK_OPERATIONAL_VL
;
1255 if (vls
> ppd
->vls_supported
) {
1256 pr_warn("SubnSet(OPA_PortInfo) VL's supported invalid %d\n",
1257 pi
->operational_vls
);
1258 smp
->status
|= IB_SMP_INVALID_FIELD
;
1260 if (hfi1_set_ib_cfg(ppd
, HFI1_IB_CFG_OP_VLS
,
1262 smp
->status
|= IB_SMP_INVALID_FIELD
;
1266 if (pi
->mkey_violations
== 0)
1267 ibp
->rvp
.mkey_violations
= 0;
1269 if (pi
->pkey_violations
== 0)
1270 ibp
->rvp
.pkey_violations
= 0;
1272 if (pi
->qkey_violations
== 0)
1273 ibp
->rvp
.qkey_violations
= 0;
1275 ibp
->rvp
.subnet_timeout
=
1276 pi
->clientrereg_subnettimeout
& OPA_PI_MASK_SUBNET_TIMEOUT
;
1278 crc_enabled
= be16_to_cpu(pi
->port_ltp_crc_mode
);
1282 if (crc_enabled
!= 0)
1283 ppd
->port_crc_mode_enabled
= port_ltp_to_cap(crc_enabled
);
1285 ppd
->is_active_optimize_enabled
=
1286 !!(be16_to_cpu(pi
->port_mode
)
1287 & OPA_PI_MASK_PORT_ACTIVE_OPTOMIZE
);
1289 ls_new
= pi
->port_states
.portphysstate_portstate
&
1290 OPA_PI_MASK_PORT_STATE
;
1291 ps_new
= (pi
->port_states
.portphysstate_portstate
&
1292 OPA_PI_MASK_PORT_PHYSICAL_STATE
) >> 4;
1294 if (ls_old
== IB_PORT_INIT
) {
1295 if (start_of_sm_config
) {
1296 if (ls_new
== ls_old
|| (ls_new
== IB_PORT_ARMED
))
1297 ppd
->is_sm_config_started
= 1;
1298 } else if (ls_new
== IB_PORT_ARMED
) {
1299 if (ppd
->is_sm_config_started
== 0)
1304 /* Handle CLIENT_REREGISTER event b/c SM asked us for it */
1306 event
.event
= IB_EVENT_CLIENT_REREGISTER
;
1307 ib_dispatch_event(&event
);
1311 * Do the port state change now that the other link parameters
1313 * Changing the port physical state only makes sense if the link
1314 * is down or is being set to down.
1317 ret
= set_port_states(ppd
, smp
, ls_new
, ps_new
, invalid
);
1321 ret
= __subn_get_opa_portinfo(smp
, am
, data
, ibdev
, port
, resp_len
);
1323 /* restore re-reg bit per o14-12.2.1 */
1324 pi
->clientrereg_subnettimeout
|= clientrereg
;
1327 * Apply the new link downgrade policy. This may result in a link
1328 * bounce. Do this after everything else so things are settled.
1329 * Possible problem: if setting the port state above fails, then
1330 * the policy change is not applied.
1332 if (call_link_downgrade_policy
)
1333 apply_link_downgrade_policy(ppd
, 0);
1338 return __subn_get_opa_portinfo(smp
, am
, data
, ibdev
, port
, resp_len
);
1342 * set_pkeys - set the PKEY table for ctxt 0
1343 * @dd: the hfi1_ib device
1344 * @port: the IB port number
1345 * @pkeys: the PKEY table
1347 static int set_pkeys(struct hfi1_devdata
*dd
, u8 port
, u16
*pkeys
)
1349 struct hfi1_pportdata
*ppd
;
1352 int update_includes_mgmt_partition
= 0;
1355 * IB port one/two always maps to context zero/one,
1356 * always a kernel context, no locking needed
1357 * If we get here with ppd setup, no need to check
1358 * that rcd is valid.
1360 ppd
= dd
->pport
+ (port
- 1);
1362 * If the update does not include the management pkey, don't do it.
1364 for (i
= 0; i
< ARRAY_SIZE(ppd
->pkeys
); i
++) {
1365 if (pkeys
[i
] == LIM_MGMT_P_KEY
) {
1366 update_includes_mgmt_partition
= 1;
1371 if (!update_includes_mgmt_partition
)
1374 for (i
= 0; i
< ARRAY_SIZE(ppd
->pkeys
); i
++) {
1376 u16 okey
= ppd
->pkeys
[i
];
1381 * The SM gives us the complete PKey table. We have
1382 * to ensure that we put the PKeys in the matching
1385 ppd
->pkeys
[i
] = key
;
1390 struct ib_event event
;
1392 (void)hfi1_set_ib_cfg(ppd
, HFI1_IB_CFG_PKEYS
, 0);
1394 event
.event
= IB_EVENT_PKEY_CHANGE
;
1395 event
.device
= &dd
->verbs_dev
.rdi
.ibdev
;
1396 event
.element
.port_num
= port
;
1397 ib_dispatch_event(&event
);
1402 static int __subn_set_opa_pkeytable(struct opa_smp
*smp
, u32 am
, u8
*data
,
1403 struct ib_device
*ibdev
, u8 port
,
1406 struct hfi1_devdata
*dd
= dd_from_ibdev(ibdev
);
1407 u32 n_blocks_sent
= OPA_AM_NBLK(am
);
1408 u32 start_block
= am
& 0x7ff;
1409 u16
*p
= (u16
*)data
;
1410 __be16
*q
= (__be16
*)data
;
1413 unsigned npkeys
= hfi1_get_npkeys(dd
);
1415 if (n_blocks_sent
== 0) {
1416 pr_warn("OPA Get PKey AM Invalid : P = %d; B = 0x%x; N = 0x%x\n",
1417 port
, start_block
, n_blocks_sent
);
1418 smp
->status
|= IB_SMP_INVALID_FIELD
;
1419 return reply((struct ib_mad_hdr
*)smp
);
1422 n_blocks_avail
= (u16
)(npkeys
/ OPA_PARTITION_TABLE_BLK_SIZE
) + 1;
1424 if (start_block
+ n_blocks_sent
> n_blocks_avail
||
1425 n_blocks_sent
> OPA_NUM_PKEY_BLOCKS_PER_SMP
) {
1426 pr_warn("OPA Set PKey AM Invalid : s 0x%x; req 0x%x; avail 0x%x; blk/smp 0x%lx\n",
1427 start_block
, n_blocks_sent
, n_blocks_avail
,
1428 OPA_NUM_PKEY_BLOCKS_PER_SMP
);
1429 smp
->status
|= IB_SMP_INVALID_FIELD
;
1430 return reply((struct ib_mad_hdr
*)smp
);
1433 for (i
= 0; i
< n_blocks_sent
* OPA_PARTITION_TABLE_BLK_SIZE
; i
++)
1434 p
[i
] = be16_to_cpu(q
[i
]);
1436 if (start_block
== 0 && set_pkeys(dd
, port
, p
) != 0) {
1437 smp
->status
|= IB_SMP_INVALID_FIELD
;
1438 return reply((struct ib_mad_hdr
*)smp
);
1441 return __subn_get_opa_pkeytable(smp
, am
, data
, ibdev
, port
, resp_len
);
1444 static int get_sc2vlt_tables(struct hfi1_devdata
*dd
, void *data
)
1448 *val
++ = read_csr(dd
, SEND_SC2VLT0
);
1449 *val
++ = read_csr(dd
, SEND_SC2VLT1
);
1450 *val
++ = read_csr(dd
, SEND_SC2VLT2
);
1451 *val
++ = read_csr(dd
, SEND_SC2VLT3
);
1455 #define ILLEGAL_VL 12
1457 * filter_sc2vlt changes mappings to VL15 to ILLEGAL_VL (except
1458 * for SC15, which must map to VL15). If we don't remap things this
1459 * way it is possible for VL15 counters to increment when we try to
1460 * send on a SC which is mapped to an invalid VL.
1462 static void filter_sc2vlt(void *data
)
1467 for (i
= 0; i
< OPA_MAX_SCS
; i
++) {
1470 if ((pd
[i
] & 0x1f) == 0xf)
1475 static int set_sc2vlt_tables(struct hfi1_devdata
*dd
, void *data
)
1479 filter_sc2vlt(data
);
1481 write_csr(dd
, SEND_SC2VLT0
, *val
++);
1482 write_csr(dd
, SEND_SC2VLT1
, *val
++);
1483 write_csr(dd
, SEND_SC2VLT2
, *val
++);
1484 write_csr(dd
, SEND_SC2VLT3
, *val
++);
1485 write_seqlock_irq(&dd
->sc2vl_lock
);
1486 memcpy(dd
->sc2vl
, data
, sizeof(dd
->sc2vl
));
1487 write_sequnlock_irq(&dd
->sc2vl_lock
);
1491 static int __subn_get_opa_sl_to_sc(struct opa_smp
*smp
, u32 am
, u8
*data
,
1492 struct ib_device
*ibdev
, u8 port
,
1495 struct hfi1_ibport
*ibp
= to_iport(ibdev
, port
);
1497 size_t size
= ARRAY_SIZE(ibp
->sl_to_sc
); /* == 32 */
1501 smp
->status
|= IB_SMP_INVALID_FIELD
;
1502 return reply((struct ib_mad_hdr
*)smp
);
1505 for (i
= 0; i
< ARRAY_SIZE(ibp
->sl_to_sc
); i
++)
1506 *p
++ = ibp
->sl_to_sc
[i
];
1511 return reply((struct ib_mad_hdr
*)smp
);
1514 static int __subn_set_opa_sl_to_sc(struct opa_smp
*smp
, u32 am
, u8
*data
,
1515 struct ib_device
*ibdev
, u8 port
,
1518 struct hfi1_ibport
*ibp
= to_iport(ibdev
, port
);
1524 smp
->status
|= IB_SMP_INVALID_FIELD
;
1525 return reply((struct ib_mad_hdr
*)smp
);
1528 for (i
= 0; i
< ARRAY_SIZE(ibp
->sl_to_sc
); i
++) {
1530 if (ibp
->sl_to_sc
[i
] != sc
) {
1531 ibp
->sl_to_sc
[i
] = sc
;
1533 /* Put all stale qps into error state */
1534 hfi1_error_port_qps(ibp
, i
);
1538 return __subn_get_opa_sl_to_sc(smp
, am
, data
, ibdev
, port
, resp_len
);
1541 static int __subn_get_opa_sc_to_sl(struct opa_smp
*smp
, u32 am
, u8
*data
,
1542 struct ib_device
*ibdev
, u8 port
,
1545 struct hfi1_ibport
*ibp
= to_iport(ibdev
, port
);
1547 size_t size
= ARRAY_SIZE(ibp
->sc_to_sl
); /* == 32 */
1551 smp
->status
|= IB_SMP_INVALID_FIELD
;
1552 return reply((struct ib_mad_hdr
*)smp
);
1555 for (i
= 0; i
< ARRAY_SIZE(ibp
->sc_to_sl
); i
++)
1556 *p
++ = ibp
->sc_to_sl
[i
];
1561 return reply((struct ib_mad_hdr
*)smp
);
1564 static int __subn_set_opa_sc_to_sl(struct opa_smp
*smp
, u32 am
, u8
*data
,
1565 struct ib_device
*ibdev
, u8 port
,
1568 struct hfi1_ibport
*ibp
= to_iport(ibdev
, port
);
1573 smp
->status
|= IB_SMP_INVALID_FIELD
;
1574 return reply((struct ib_mad_hdr
*)smp
);
1577 for (i
= 0; i
< ARRAY_SIZE(ibp
->sc_to_sl
); i
++)
1578 ibp
->sc_to_sl
[i
] = *p
++;
1580 return __subn_get_opa_sc_to_sl(smp
, am
, data
, ibdev
, port
, resp_len
);
1583 static int __subn_get_opa_sc_to_vlt(struct opa_smp
*smp
, u32 am
, u8
*data
,
1584 struct ib_device
*ibdev
, u8 port
,
1587 u32 n_blocks
= OPA_AM_NBLK(am
);
1588 struct hfi1_devdata
*dd
= dd_from_ibdev(ibdev
);
1589 void *vp
= (void *)data
;
1590 size_t size
= 4 * sizeof(u64
);
1592 if (n_blocks
!= 1) {
1593 smp
->status
|= IB_SMP_INVALID_FIELD
;
1594 return reply((struct ib_mad_hdr
*)smp
);
1597 get_sc2vlt_tables(dd
, vp
);
1602 return reply((struct ib_mad_hdr
*)smp
);
1605 static int __subn_set_opa_sc_to_vlt(struct opa_smp
*smp
, u32 am
, u8
*data
,
1606 struct ib_device
*ibdev
, u8 port
,
1609 u32 n_blocks
= OPA_AM_NBLK(am
);
1610 int async_update
= OPA_AM_ASYNC(am
);
1611 struct hfi1_devdata
*dd
= dd_from_ibdev(ibdev
);
1612 void *vp
= (void *)data
;
1613 struct hfi1_pportdata
*ppd
;
1616 if (n_blocks
!= 1 || async_update
) {
1617 smp
->status
|= IB_SMP_INVALID_FIELD
;
1618 return reply((struct ib_mad_hdr
*)smp
);
1621 /* IB numbers ports from 1, hw from 0 */
1622 ppd
= dd
->pport
+ (port
- 1);
1623 lstate
= driver_lstate(ppd
);
1624 /* it's known that async_update is 0 by this point, but include
1625 * the explicit check for clarity */
1626 if (!async_update
&&
1627 (lstate
== IB_PORT_ARMED
|| lstate
== IB_PORT_ACTIVE
)) {
1628 smp
->status
|= IB_SMP_INVALID_FIELD
;
1629 return reply((struct ib_mad_hdr
*)smp
);
1632 set_sc2vlt_tables(dd
, vp
);
1634 return __subn_get_opa_sc_to_vlt(smp
, am
, data
, ibdev
, port
, resp_len
);
1637 static int __subn_get_opa_sc_to_vlnt(struct opa_smp
*smp
, u32 am
, u8
*data
,
1638 struct ib_device
*ibdev
, u8 port
,
1641 u32 n_blocks
= OPA_AM_NPORT(am
);
1642 struct hfi1_devdata
*dd
= dd_from_ibdev(ibdev
);
1643 struct hfi1_pportdata
*ppd
;
1644 void *vp
= (void *)data
;
1647 if (n_blocks
!= 1) {
1648 smp
->status
|= IB_SMP_INVALID_FIELD
;
1649 return reply((struct ib_mad_hdr
*)smp
);
1652 ppd
= dd
->pport
+ (port
- 1);
1654 size
= fm_get_table(ppd
, FM_TBL_SC2VLNT
, vp
);
1659 return reply((struct ib_mad_hdr
*)smp
);
1662 static int __subn_set_opa_sc_to_vlnt(struct opa_smp
*smp
, u32 am
, u8
*data
,
1663 struct ib_device
*ibdev
, u8 port
,
1666 u32 n_blocks
= OPA_AM_NPORT(am
);
1667 struct hfi1_devdata
*dd
= dd_from_ibdev(ibdev
);
1668 struct hfi1_pportdata
*ppd
;
1669 void *vp
= (void *)data
;
1672 if (n_blocks
!= 1) {
1673 smp
->status
|= IB_SMP_INVALID_FIELD
;
1674 return reply((struct ib_mad_hdr
*)smp
);
1677 /* IB numbers ports from 1, hw from 0 */
1678 ppd
= dd
->pport
+ (port
- 1);
1679 lstate
= driver_lstate(ppd
);
1680 if (lstate
== IB_PORT_ARMED
|| lstate
== IB_PORT_ACTIVE
) {
1681 smp
->status
|= IB_SMP_INVALID_FIELD
;
1682 return reply((struct ib_mad_hdr
*)smp
);
1685 ppd
= dd
->pport
+ (port
- 1);
1687 fm_set_table(ppd
, FM_TBL_SC2VLNT
, vp
);
1689 return __subn_get_opa_sc_to_vlnt(smp
, am
, data
, ibdev
, port
,
1693 static int __subn_get_opa_psi(struct opa_smp
*smp
, u32 am
, u8
*data
,
1694 struct ib_device
*ibdev
, u8 port
,
1697 u32 nports
= OPA_AM_NPORT(am
);
1698 u32 start_of_sm_config
= OPA_AM_START_SM_CFG(am
);
1700 struct hfi1_ibport
*ibp
;
1701 struct hfi1_pportdata
*ppd
;
1702 struct opa_port_state_info
*psi
= (struct opa_port_state_info
*)data
;
1705 smp
->status
|= IB_SMP_INVALID_FIELD
;
1706 return reply((struct ib_mad_hdr
*)smp
);
1709 ibp
= to_iport(ibdev
, port
);
1710 ppd
= ppd_from_ibp(ibp
);
1712 lstate
= driver_lstate(ppd
);
1714 if (start_of_sm_config
&& (lstate
== IB_PORT_INIT
))
1715 ppd
->is_sm_config_started
= 1;
1717 #if PI_LED_ENABLE_SUP
1718 psi
->port_states
.ledenable_offlinereason
= ppd
->neighbor_normal
<< 4;
1719 psi
->port_states
.ledenable_offlinereason
|=
1720 ppd
->is_sm_config_started
<< 5;
1721 psi
->port_states
.ledenable_offlinereason
|=
1722 ppd
->offline_disabled_reason
;
1724 psi
->port_states
.offline_reason
= ppd
->neighbor_normal
<< 4;
1725 psi
->port_states
.offline_reason
|= ppd
->is_sm_config_started
<< 5;
1726 psi
->port_states
.offline_reason
|= ppd
->offline_disabled_reason
;
1727 #endif /* PI_LED_ENABLE_SUP */
1729 psi
->port_states
.portphysstate_portstate
=
1730 (hfi1_ibphys_portstate(ppd
) << 4) | (lstate
& 0xf);
1731 psi
->link_width_downgrade_tx_active
=
1732 cpu_to_be16(ppd
->link_width_downgrade_tx_active
);
1733 psi
->link_width_downgrade_rx_active
=
1734 cpu_to_be16(ppd
->link_width_downgrade_rx_active
);
1736 *resp_len
+= sizeof(struct opa_port_state_info
);
1738 return reply((struct ib_mad_hdr
*)smp
);
1741 static int __subn_set_opa_psi(struct opa_smp
*smp
, u32 am
, u8
*data
,
1742 struct ib_device
*ibdev
, u8 port
,
1745 u32 nports
= OPA_AM_NPORT(am
);
1746 u32 start_of_sm_config
= OPA_AM_START_SM_CFG(am
);
1749 struct hfi1_ibport
*ibp
;
1750 struct hfi1_pportdata
*ppd
;
1751 struct opa_port_state_info
*psi
= (struct opa_port_state_info
*)data
;
1752 int ret
, invalid
= 0;
1755 smp
->status
|= IB_SMP_INVALID_FIELD
;
1756 return reply((struct ib_mad_hdr
*)smp
);
1759 ibp
= to_iport(ibdev
, port
);
1760 ppd
= ppd_from_ibp(ibp
);
1762 ls_old
= driver_lstate(ppd
);
1764 ls_new
= port_states_to_logical_state(&psi
->port_states
);
1765 ps_new
= port_states_to_phys_state(&psi
->port_states
);
1767 if (ls_old
== IB_PORT_INIT
) {
1768 if (start_of_sm_config
) {
1769 if (ls_new
== ls_old
|| (ls_new
== IB_PORT_ARMED
))
1770 ppd
->is_sm_config_started
= 1;
1771 } else if (ls_new
== IB_PORT_ARMED
) {
1772 if (ppd
->is_sm_config_started
== 0)
1777 ret
= set_port_states(ppd
, smp
, ls_new
, ps_new
, invalid
);
1782 smp
->status
|= IB_SMP_INVALID_FIELD
;
1784 return __subn_get_opa_psi(smp
, am
, data
, ibdev
, port
, resp_len
);
1787 static int __subn_get_opa_cable_info(struct opa_smp
*smp
, u32 am
, u8
*data
,
1788 struct ib_device
*ibdev
, u8 port
,
1791 struct hfi1_devdata
*dd
= dd_from_ibdev(ibdev
);
1792 u32 addr
= OPA_AM_CI_ADDR(am
);
1793 u32 len
= OPA_AM_CI_LEN(am
) + 1;
1796 #define __CI_PAGE_SIZE BIT(7) /* 128 bytes */
1797 #define __CI_PAGE_MASK ~(__CI_PAGE_SIZE - 1)
1798 #define __CI_PAGE_NUM(a) ((a) & __CI_PAGE_MASK)
1800 /* check that addr is within spec, and
1801 * addr and (addr + len - 1) are on the same "page" */
1803 (__CI_PAGE_NUM(addr
) != __CI_PAGE_NUM(addr
+ len
- 1))) {
1804 smp
->status
|= IB_SMP_INVALID_FIELD
;
1805 return reply((struct ib_mad_hdr
*)smp
);
1808 ret
= get_cable_info(dd
, port
, addr
, len
, data
);
1810 if (ret
== -ENODEV
) {
1811 smp
->status
|= IB_SMP_UNSUP_METH_ATTR
;
1812 return reply((struct ib_mad_hdr
*)smp
);
1815 /* The address range for the CableInfo SMA query is wider than the
1816 * memory available on the QSFP cable. We want to return a valid
1817 * response, albeit zeroed out, for address ranges beyond available
1818 * memory but that are within the CableInfo query spec
1820 if (ret
< 0 && ret
!= -ERANGE
) {
1821 smp
->status
|= IB_SMP_INVALID_FIELD
;
1822 return reply((struct ib_mad_hdr
*)smp
);
1828 return reply((struct ib_mad_hdr
*)smp
);
1831 static int __subn_get_opa_bct(struct opa_smp
*smp
, u32 am
, u8
*data
,
1832 struct ib_device
*ibdev
, u8 port
, u32
*resp_len
)
1834 u32 num_ports
= OPA_AM_NPORT(am
);
1835 struct hfi1_devdata
*dd
= dd_from_ibdev(ibdev
);
1836 struct hfi1_pportdata
*ppd
;
1837 struct buffer_control
*p
= (struct buffer_control
*)data
;
1840 if (num_ports
!= 1) {
1841 smp
->status
|= IB_SMP_INVALID_FIELD
;
1842 return reply((struct ib_mad_hdr
*)smp
);
1845 ppd
= dd
->pport
+ (port
- 1);
1846 size
= fm_get_table(ppd
, FM_TBL_BUFFER_CONTROL
, p
);
1847 trace_bct_get(dd
, p
);
1851 return reply((struct ib_mad_hdr
*)smp
);
1854 static int __subn_set_opa_bct(struct opa_smp
*smp
, u32 am
, u8
*data
,
1855 struct ib_device
*ibdev
, u8 port
, u32
*resp_len
)
1857 u32 num_ports
= OPA_AM_NPORT(am
);
1858 struct hfi1_devdata
*dd
= dd_from_ibdev(ibdev
);
1859 struct hfi1_pportdata
*ppd
;
1860 struct buffer_control
*p
= (struct buffer_control
*)data
;
1862 if (num_ports
!= 1) {
1863 smp
->status
|= IB_SMP_INVALID_FIELD
;
1864 return reply((struct ib_mad_hdr
*)smp
);
1866 ppd
= dd
->pport
+ (port
- 1);
1867 trace_bct_set(dd
, p
);
1868 if (fm_set_table(ppd
, FM_TBL_BUFFER_CONTROL
, p
) < 0) {
1869 smp
->status
|= IB_SMP_INVALID_FIELD
;
1870 return reply((struct ib_mad_hdr
*)smp
);
1873 return __subn_get_opa_bct(smp
, am
, data
, ibdev
, port
, resp_len
);
1876 static int __subn_get_opa_vl_arb(struct opa_smp
*smp
, u32 am
, u8
*data
,
1877 struct ib_device
*ibdev
, u8 port
,
1880 struct hfi1_pportdata
*ppd
= ppd_from_ibp(to_iport(ibdev
, port
));
1881 u32 num_ports
= OPA_AM_NPORT(am
);
1882 u8 section
= (am
& 0x00ff0000) >> 16;
1886 if (num_ports
!= 1) {
1887 smp
->status
|= IB_SMP_INVALID_FIELD
;
1888 return reply((struct ib_mad_hdr
*)smp
);
1892 case OPA_VLARB_LOW_ELEMENTS
:
1893 size
= fm_get_table(ppd
, FM_TBL_VL_LOW_ARB
, p
);
1895 case OPA_VLARB_HIGH_ELEMENTS
:
1896 size
= fm_get_table(ppd
, FM_TBL_VL_HIGH_ARB
, p
);
1898 case OPA_VLARB_PREEMPT_ELEMENTS
:
1899 size
= fm_get_table(ppd
, FM_TBL_VL_PREEMPT_ELEMS
, p
);
1901 case OPA_VLARB_PREEMPT_MATRIX
:
1902 size
= fm_get_table(ppd
, FM_TBL_VL_PREEMPT_MATRIX
, p
);
1905 pr_warn("OPA SubnGet(VL Arb) AM Invalid : 0x%x\n",
1906 be32_to_cpu(smp
->attr_mod
));
1907 smp
->status
|= IB_SMP_INVALID_FIELD
;
1911 if (size
> 0 && resp_len
)
1914 return reply((struct ib_mad_hdr
*)smp
);
1917 static int __subn_set_opa_vl_arb(struct opa_smp
*smp
, u32 am
, u8
*data
,
1918 struct ib_device
*ibdev
, u8 port
,
1921 struct hfi1_pportdata
*ppd
= ppd_from_ibp(to_iport(ibdev
, port
));
1922 u32 num_ports
= OPA_AM_NPORT(am
);
1923 u8 section
= (am
& 0x00ff0000) >> 16;
1926 if (num_ports
!= 1) {
1927 smp
->status
|= IB_SMP_INVALID_FIELD
;
1928 return reply((struct ib_mad_hdr
*)smp
);
1932 case OPA_VLARB_LOW_ELEMENTS
:
1933 (void)fm_set_table(ppd
, FM_TBL_VL_LOW_ARB
, p
);
1935 case OPA_VLARB_HIGH_ELEMENTS
:
1936 (void)fm_set_table(ppd
, FM_TBL_VL_HIGH_ARB
, p
);
1938 /* neither OPA_VLARB_PREEMPT_ELEMENTS, or OPA_VLARB_PREEMPT_MATRIX
1939 * can be changed from the default values */
1940 case OPA_VLARB_PREEMPT_ELEMENTS
:
1942 case OPA_VLARB_PREEMPT_MATRIX
:
1943 smp
->status
|= IB_SMP_UNSUP_METH_ATTR
;
1946 pr_warn("OPA SubnSet(VL Arb) AM Invalid : 0x%x\n",
1947 be32_to_cpu(smp
->attr_mod
));
1948 smp
->status
|= IB_SMP_INVALID_FIELD
;
1952 return __subn_get_opa_vl_arb(smp
, am
, data
, ibdev
, port
, resp_len
);
1955 struct opa_pma_mad
{
1956 struct ib_mad_hdr mad_hdr
;
1960 struct opa_class_port_info
{
1964 __be32 cap_mask2_resp_time
;
1966 u8 redirect_gid
[16];
1967 __be32 redirect_tc_fl
;
1968 __be32 redirect_lid
;
1969 __be32 redirect_sl_qp
;
1970 __be32 redirect_qkey
;
1979 __be16 redirect_pkey
;
1985 struct opa_port_status_req
{
1988 __be32 vl_select_mask
;
1991 #define VL_MASK_ALL 0x000080ff
1993 struct opa_port_status_rsp
{
1996 __be32 vl_select_mask
;
1999 __be64 port_xmit_data
;
2000 __be64 port_rcv_data
;
2001 __be64 port_xmit_pkts
;
2002 __be64 port_rcv_pkts
;
2003 __be64 port_multicast_xmit_pkts
;
2004 __be64 port_multicast_rcv_pkts
;
2005 __be64 port_xmit_wait
;
2006 __be64 sw_port_congestion
;
2007 __be64 port_rcv_fecn
;
2008 __be64 port_rcv_becn
;
2009 __be64 port_xmit_time_cong
;
2010 __be64 port_xmit_wasted_bw
;
2011 __be64 port_xmit_wait_data
;
2012 __be64 port_rcv_bubble
;
2013 __be64 port_mark_fecn
;
2014 /* Error counters */
2015 __be64 port_rcv_constraint_errors
;
2016 __be64 port_rcv_switch_relay_errors
;
2017 __be64 port_xmit_discards
;
2018 __be64 port_xmit_constraint_errors
;
2019 __be64 port_rcv_remote_physical_errors
;
2020 __be64 local_link_integrity_errors
;
2021 __be64 port_rcv_errors
;
2022 __be64 excessive_buffer_overruns
;
2023 __be64 fm_config_errors
;
2024 __be32 link_error_recovery
;
2026 u8 uncorrectable_errors
;
2028 u8 link_quality_indicator
; /* 5res, 3bit */
2031 /* per-VL Data counters */
2032 __be64 port_vl_xmit_data
;
2033 __be64 port_vl_rcv_data
;
2034 __be64 port_vl_xmit_pkts
;
2035 __be64 port_vl_rcv_pkts
;
2036 __be64 port_vl_xmit_wait
;
2037 __be64 sw_port_vl_congestion
;
2038 __be64 port_vl_rcv_fecn
;
2039 __be64 port_vl_rcv_becn
;
2040 __be64 port_xmit_time_cong
;
2041 __be64 port_vl_xmit_wasted_bw
;
2042 __be64 port_vl_xmit_wait_data
;
2043 __be64 port_vl_rcv_bubble
;
2044 __be64 port_vl_mark_fecn
;
2045 __be64 port_vl_xmit_discards
;
2046 } vls
[0]; /* real array size defined by # bits set in vl_select_mask */
2049 enum counter_selects
{
2050 CS_PORT_XMIT_DATA
= (1 << 31),
2051 CS_PORT_RCV_DATA
= (1 << 30),
2052 CS_PORT_XMIT_PKTS
= (1 << 29),
2053 CS_PORT_RCV_PKTS
= (1 << 28),
2054 CS_PORT_MCAST_XMIT_PKTS
= (1 << 27),
2055 CS_PORT_MCAST_RCV_PKTS
= (1 << 26),
2056 CS_PORT_XMIT_WAIT
= (1 << 25),
2057 CS_SW_PORT_CONGESTION
= (1 << 24),
2058 CS_PORT_RCV_FECN
= (1 << 23),
2059 CS_PORT_RCV_BECN
= (1 << 22),
2060 CS_PORT_XMIT_TIME_CONG
= (1 << 21),
2061 CS_PORT_XMIT_WASTED_BW
= (1 << 20),
2062 CS_PORT_XMIT_WAIT_DATA
= (1 << 19),
2063 CS_PORT_RCV_BUBBLE
= (1 << 18),
2064 CS_PORT_MARK_FECN
= (1 << 17),
2065 CS_PORT_RCV_CONSTRAINT_ERRORS
= (1 << 16),
2066 CS_PORT_RCV_SWITCH_RELAY_ERRORS
= (1 << 15),
2067 CS_PORT_XMIT_DISCARDS
= (1 << 14),
2068 CS_PORT_XMIT_CONSTRAINT_ERRORS
= (1 << 13),
2069 CS_PORT_RCV_REMOTE_PHYSICAL_ERRORS
= (1 << 12),
2070 CS_LOCAL_LINK_INTEGRITY_ERRORS
= (1 << 11),
2071 CS_PORT_RCV_ERRORS
= (1 << 10),
2072 CS_EXCESSIVE_BUFFER_OVERRUNS
= (1 << 9),
2073 CS_FM_CONFIG_ERRORS
= (1 << 8),
2074 CS_LINK_ERROR_RECOVERY
= (1 << 7),
2075 CS_LINK_DOWNED
= (1 << 6),
2076 CS_UNCORRECTABLE_ERRORS
= (1 << 5),
2079 struct opa_clear_port_status
{
2080 __be64 port_select_mask
[4];
2081 __be32 counter_select_mask
;
2084 struct opa_aggregate
{
2086 __be16 err_reqlength
; /* 1 bit, 8 res, 7 bit */
2091 #define MSK_LLI 0x000000f0
2092 #define MSK_LLI_SFT 4
2093 #define MSK_LER 0x0000000f
2094 #define MSK_LER_SFT 0
2098 /* Request contains first three fields, response contains those plus the rest */
2099 struct opa_port_data_counters_msg
{
2100 __be64 port_select_mask
[4];
2101 __be32 vl_select_mask
;
2104 /* Response fields follow */
2105 struct _port_dctrs
{
2108 __be32 link_quality_indicator
; /* 29res, 3bit */
2111 __be64 port_xmit_data
;
2112 __be64 port_rcv_data
;
2113 __be64 port_xmit_pkts
;
2114 __be64 port_rcv_pkts
;
2115 __be64 port_multicast_xmit_pkts
;
2116 __be64 port_multicast_rcv_pkts
;
2117 __be64 port_xmit_wait
;
2118 __be64 sw_port_congestion
;
2119 __be64 port_rcv_fecn
;
2120 __be64 port_rcv_becn
;
2121 __be64 port_xmit_time_cong
;
2122 __be64 port_xmit_wasted_bw
;
2123 __be64 port_xmit_wait_data
;
2124 __be64 port_rcv_bubble
;
2125 __be64 port_mark_fecn
;
2127 __be64 port_error_counter_summary
;
2128 /* Sum of error counts/port */
2131 /* per-VL Data counters */
2132 __be64 port_vl_xmit_data
;
2133 __be64 port_vl_rcv_data
;
2134 __be64 port_vl_xmit_pkts
;
2135 __be64 port_vl_rcv_pkts
;
2136 __be64 port_vl_xmit_wait
;
2137 __be64 sw_port_vl_congestion
;
2138 __be64 port_vl_rcv_fecn
;
2139 __be64 port_vl_rcv_becn
;
2140 __be64 port_xmit_time_cong
;
2141 __be64 port_vl_xmit_wasted_bw
;
2142 __be64 port_vl_xmit_wait_data
;
2143 __be64 port_vl_rcv_bubble
;
2144 __be64 port_vl_mark_fecn
;
2146 /* array size defined by #bits set in vl_select_mask*/
2147 } port
[1]; /* array size defined by #ports in attribute modifier */
2150 struct opa_port_error_counters64_msg
{
2151 /* Request contains first two fields, response contains the
2153 __be64 port_select_mask
[4];
2154 __be32 vl_select_mask
;
2156 /* Response-only fields follow */
2158 struct _port_ectrs
{
2161 __be64 port_rcv_constraint_errors
;
2162 __be64 port_rcv_switch_relay_errors
;
2163 __be64 port_xmit_discards
;
2164 __be64 port_xmit_constraint_errors
;
2165 __be64 port_rcv_remote_physical_errors
;
2166 __be64 local_link_integrity_errors
;
2167 __be64 port_rcv_errors
;
2168 __be64 excessive_buffer_overruns
;
2169 __be64 fm_config_errors
;
2170 __be32 link_error_recovery
;
2172 u8 uncorrectable_errors
;
2175 __be64 port_vl_xmit_discards
;
2177 /* array size defined by #bits set in vl_select_mask */
2178 } port
[1]; /* array size defined by #ports in attribute modifier */
2181 struct opa_port_error_info_msg
{
2182 __be64 port_select_mask
[4];
2183 __be32 error_info_select_mask
;
2189 /* PortRcvErrorInfo */
2195 /* EI1to12 format */
2198 u8 remaining_flit_bits12
;
2202 u8 remaining_flit_bits
;
2206 } __packed port_rcv_ei
;
2208 /* ExcessiveBufferOverrunInfo */
2212 } __packed excessive_buffer_overrun_ei
;
2214 /* PortXmitConstraintErrorInfo */
2220 } __packed port_xmit_constraint_ei
;
2222 /* PortRcvConstraintErrorInfo */
2228 } __packed port_rcv_constraint_ei
;
2230 /* PortRcvSwitchRelayErrorInfo */
2235 } __packed port_rcv_switch_relay_ei
;
2237 /* UncorrectableErrorInfo */
2241 } __packed uncorrectable_ei
;
2243 /* FMConfigErrorInfo */
2247 } __packed fm_config_ei
;
2249 } port
[1]; /* actual array size defined by #ports in attr modifier */
2252 /* opa_port_error_info_msg error_info_select_mask bit definitions */
2253 enum error_info_selects
{
2254 ES_PORT_RCV_ERROR_INFO
= (1 << 31),
2255 ES_EXCESSIVE_BUFFER_OVERRUN_INFO
= (1 << 30),
2256 ES_PORT_XMIT_CONSTRAINT_ERROR_INFO
= (1 << 29),
2257 ES_PORT_RCV_CONSTRAINT_ERROR_INFO
= (1 << 28),
2258 ES_PORT_RCV_SWITCH_RELAY_ERROR_INFO
= (1 << 27),
2259 ES_UNCORRECTABLE_ERROR_INFO
= (1 << 26),
2260 ES_FM_CONFIG_ERROR_INFO
= (1 << 25)
2263 static int pma_get_opa_classportinfo(struct opa_pma_mad
*pmp
,
2264 struct ib_device
*ibdev
, u32
*resp_len
)
2266 struct opa_class_port_info
*p
=
2267 (struct opa_class_port_info
*)pmp
->data
;
2269 memset(pmp
->data
, 0, sizeof(pmp
->data
));
2271 if (pmp
->mad_hdr
.attr_mod
!= 0)
2272 pmp
->mad_hdr
.status
|= IB_SMP_INVALID_FIELD
;
2274 p
->base_version
= OPA_MGMT_BASE_VERSION
;
2275 p
->class_version
= OPA_SMI_CLASS_VERSION
;
2277 * Expected response time is 4.096 usec. * 2^18 == 1.073741824 sec.
2279 p
->cap_mask2_resp_time
= cpu_to_be32(18);
2282 *resp_len
+= sizeof(*p
);
2284 return reply((struct ib_mad_hdr
*)pmp
);
2287 static void a0_portstatus(struct hfi1_pportdata
*ppd
,
2288 struct opa_port_status_rsp
*rsp
, u32 vl_select_mask
)
2290 if (!is_bx(ppd
->dd
)) {
2292 u64 sum_vl_xmit_wait
= 0;
2293 u32 vl_all_mask
= VL_MASK_ALL
;
2295 for_each_set_bit(vl
, (unsigned long *)&(vl_all_mask
),
2296 8 * sizeof(vl_all_mask
)) {
2297 u64 tmp
= sum_vl_xmit_wait
+
2298 read_port_cntr(ppd
, C_TX_WAIT_VL
,
2300 if (tmp
< sum_vl_xmit_wait
) {
2302 sum_vl_xmit_wait
= (u64
)~0;
2305 sum_vl_xmit_wait
= tmp
;
2307 if (be64_to_cpu(rsp
->port_xmit_wait
) > sum_vl_xmit_wait
)
2308 rsp
->port_xmit_wait
= cpu_to_be64(sum_vl_xmit_wait
);
2312 static int pma_get_opa_portstatus(struct opa_pma_mad
*pmp
,
2313 struct ib_device
*ibdev
, u8 port
, u32
*resp_len
)
2315 struct opa_port_status_req
*req
=
2316 (struct opa_port_status_req
*)pmp
->data
;
2317 struct hfi1_devdata
*dd
= dd_from_ibdev(ibdev
);
2318 struct opa_port_status_rsp
*rsp
;
2319 u32 vl_select_mask
= be32_to_cpu(req
->vl_select_mask
);
2321 size_t response_data_size
;
2322 u32 nports
= be32_to_cpu(pmp
->mad_hdr
.attr_mod
) >> 24;
2323 u8 port_num
= req
->port_num
;
2324 u8 num_vls
= hweight32(vl_select_mask
);
2325 struct _vls_pctrs
*vlinfo
;
2326 struct hfi1_ibport
*ibp
= to_iport(ibdev
, port
);
2327 struct hfi1_pportdata
*ppd
= ppd_from_ibp(ibp
);
2331 response_data_size
= sizeof(struct opa_port_status_rsp
) +
2332 num_vls
* sizeof(struct _vls_pctrs
);
2333 if (response_data_size
> sizeof(pmp
->data
)) {
2334 pmp
->mad_hdr
.status
|= OPA_PM_STATUS_REQUEST_TOO_LARGE
;
2335 return reply((struct ib_mad_hdr
*)pmp
);
2338 if (nports
!= 1 || (port_num
&& port_num
!= port
) ||
2339 num_vls
> OPA_MAX_VLS
|| (vl_select_mask
& ~VL_MASK_ALL
)) {
2340 pmp
->mad_hdr
.status
|= IB_SMP_INVALID_FIELD
;
2341 return reply((struct ib_mad_hdr
*)pmp
);
2344 memset(pmp
->data
, 0, sizeof(pmp
->data
));
2346 rsp
= (struct opa_port_status_rsp
*)pmp
->data
;
2348 rsp
->port_num
= port_num
;
2350 rsp
->port_num
= port
;
2352 rsp
->port_rcv_constraint_errors
=
2353 cpu_to_be64(read_port_cntr(ppd
, C_SW_RCV_CSTR_ERR
,
2356 hfi1_read_link_quality(dd
, &rsp
->link_quality_indicator
);
2358 rsp
->vl_select_mask
= cpu_to_be32(vl_select_mask
);
2359 rsp
->port_xmit_data
= cpu_to_be64(read_dev_cntr(dd
, C_DC_XMIT_FLITS
,
2361 rsp
->port_rcv_data
= cpu_to_be64(read_dev_cntr(dd
, C_DC_RCV_FLITS
,
2363 rsp
->port_xmit_pkts
= cpu_to_be64(read_dev_cntr(dd
, C_DC_XMIT_PKTS
,
2365 rsp
->port_rcv_pkts
= cpu_to_be64(read_dev_cntr(dd
, C_DC_RCV_PKTS
,
2367 rsp
->port_multicast_xmit_pkts
=
2368 cpu_to_be64(read_dev_cntr(dd
, C_DC_MC_XMIT_PKTS
,
2370 rsp
->port_multicast_rcv_pkts
=
2371 cpu_to_be64(read_dev_cntr(dd
, C_DC_MC_RCV_PKTS
,
2373 rsp
->port_xmit_wait
=
2374 cpu_to_be64(read_port_cntr(ppd
, C_TX_WAIT
, CNTR_INVALID_VL
));
2375 rsp
->port_rcv_fecn
=
2376 cpu_to_be64(read_dev_cntr(dd
, C_DC_RCV_FCN
, CNTR_INVALID_VL
));
2377 rsp
->port_rcv_becn
=
2378 cpu_to_be64(read_dev_cntr(dd
, C_DC_RCV_BCN
, CNTR_INVALID_VL
));
2379 rsp
->port_xmit_discards
=
2380 cpu_to_be64(read_port_cntr(ppd
, C_SW_XMIT_DSCD
,
2382 rsp
->port_xmit_constraint_errors
=
2383 cpu_to_be64(read_port_cntr(ppd
, C_SW_XMIT_CSTR_ERR
,
2385 rsp
->port_rcv_remote_physical_errors
=
2386 cpu_to_be64(read_dev_cntr(dd
, C_DC_RMT_PHY_ERR
,
2388 tmp
= read_dev_cntr(dd
, C_DC_RX_REPLAY
, CNTR_INVALID_VL
);
2389 tmp2
= tmp
+ read_dev_cntr(dd
, C_DC_TX_REPLAY
, CNTR_INVALID_VL
);
2391 /* overflow/wrapped */
2392 rsp
->local_link_integrity_errors
= cpu_to_be64(~0);
2394 rsp
->local_link_integrity_errors
= cpu_to_be64(tmp2
);
2396 tmp
= read_dev_cntr(dd
, C_DC_SEQ_CRC_CNT
, CNTR_INVALID_VL
);
2397 tmp2
= tmp
+ read_dev_cntr(dd
, C_DC_REINIT_FROM_PEER_CNT
,
2399 if (tmp2
> (u32
)UINT_MAX
|| tmp2
< tmp
) {
2400 /* overflow/wrapped */
2401 rsp
->link_error_recovery
= cpu_to_be32(~0);
2403 rsp
->link_error_recovery
= cpu_to_be32(tmp2
);
2405 rsp
->port_rcv_errors
=
2406 cpu_to_be64(read_dev_cntr(dd
, C_DC_RCV_ERR
, CNTR_INVALID_VL
));
2407 rsp
->excessive_buffer_overruns
=
2408 cpu_to_be64(read_dev_cntr(dd
, C_RCV_OVF
, CNTR_INVALID_VL
));
2409 rsp
->fm_config_errors
=
2410 cpu_to_be64(read_dev_cntr(dd
, C_DC_FM_CFG_ERR
,
2412 rsp
->link_downed
= cpu_to_be32(read_port_cntr(ppd
, C_SW_LINK_DOWN
,
2415 /* rsp->uncorrectable_errors is 8 bits wide, and it pegs at 0xff */
2416 tmp
= read_dev_cntr(dd
, C_DC_UNC_ERR
, CNTR_INVALID_VL
);
2417 rsp
->uncorrectable_errors
= tmp
< 0x100 ? (tmp
& 0xff) : 0xff;
2419 vlinfo
= &rsp
->vls
[0];
2421 /* The vl_select_mask has been checked above, and we know
2422 * that it contains only entries which represent valid VLs.
2423 * So in the for_each_set_bit() loop below, we don't need
2424 * any additional checks for vl.
2426 for_each_set_bit(vl
, (unsigned long *)&(vl_select_mask
),
2427 8 * sizeof(vl_select_mask
)) {
2428 memset(vlinfo
, 0, sizeof(*vlinfo
));
2430 tmp
= read_dev_cntr(dd
, C_DC_RX_FLIT_VL
, idx_from_vl(vl
));
2431 rsp
->vls
[vfi
].port_vl_rcv_data
= cpu_to_be64(tmp
);
2433 rsp
->vls
[vfi
].port_vl_rcv_pkts
=
2434 cpu_to_be64(read_dev_cntr(dd
, C_DC_RX_PKT_VL
,
2437 rsp
->vls
[vfi
].port_vl_xmit_data
=
2438 cpu_to_be64(read_port_cntr(ppd
, C_TX_FLIT_VL
,
2441 rsp
->vls
[vfi
].port_vl_xmit_pkts
=
2442 cpu_to_be64(read_port_cntr(ppd
, C_TX_PKT_VL
,
2445 rsp
->vls
[vfi
].port_vl_xmit_wait
=
2446 cpu_to_be64(read_port_cntr(ppd
, C_TX_WAIT_VL
,
2449 rsp
->vls
[vfi
].port_vl_rcv_fecn
=
2450 cpu_to_be64(read_dev_cntr(dd
, C_DC_RCV_FCN_VL
,
2453 rsp
->vls
[vfi
].port_vl_rcv_becn
=
2454 cpu_to_be64(read_dev_cntr(dd
, C_DC_RCV_BCN_VL
,
2461 a0_portstatus(ppd
, rsp
, vl_select_mask
);
2464 *resp_len
+= response_data_size
;
2466 return reply((struct ib_mad_hdr
*)pmp
);
2469 static u64
get_error_counter_summary(struct ib_device
*ibdev
, u8 port
,
2470 u8 res_lli
, u8 res_ler
)
2472 struct hfi1_devdata
*dd
= dd_from_ibdev(ibdev
);
2473 struct hfi1_ibport
*ibp
= to_iport(ibdev
, port
);
2474 struct hfi1_pportdata
*ppd
= ppd_from_ibp(ibp
);
2475 u64 error_counter_summary
= 0, tmp
;
2477 error_counter_summary
+= read_port_cntr(ppd
, C_SW_RCV_CSTR_ERR
,
2479 /* port_rcv_switch_relay_errors is 0 for HFIs */
2480 error_counter_summary
+= read_port_cntr(ppd
, C_SW_XMIT_DSCD
,
2482 error_counter_summary
+= read_port_cntr(ppd
, C_SW_XMIT_CSTR_ERR
,
2484 error_counter_summary
+= read_dev_cntr(dd
, C_DC_RMT_PHY_ERR
,
2486 /* local link integrity must be right-shifted by the lli resolution */
2487 tmp
= read_dev_cntr(dd
, C_DC_RX_REPLAY
, CNTR_INVALID_VL
);
2488 tmp
+= read_dev_cntr(dd
, C_DC_TX_REPLAY
, CNTR_INVALID_VL
);
2489 error_counter_summary
+= (tmp
>> res_lli
);
2490 /* link error recovery must b right-shifted by the ler resolution */
2491 tmp
= read_dev_cntr(dd
, C_DC_SEQ_CRC_CNT
, CNTR_INVALID_VL
);
2492 tmp
+= read_dev_cntr(dd
, C_DC_REINIT_FROM_PEER_CNT
, CNTR_INVALID_VL
);
2493 error_counter_summary
+= (tmp
>> res_ler
);
2494 error_counter_summary
+= read_dev_cntr(dd
, C_DC_RCV_ERR
,
2496 error_counter_summary
+= read_dev_cntr(dd
, C_RCV_OVF
, CNTR_INVALID_VL
);
2497 error_counter_summary
+= read_dev_cntr(dd
, C_DC_FM_CFG_ERR
,
2499 /* ppd->link_downed is a 32-bit value */
2500 error_counter_summary
+= read_port_cntr(ppd
, C_SW_LINK_DOWN
,
2502 tmp
= read_dev_cntr(dd
, C_DC_UNC_ERR
, CNTR_INVALID_VL
);
2503 /* this is an 8-bit quantity */
2504 error_counter_summary
+= tmp
< 0x100 ? (tmp
& 0xff) : 0xff;
2506 return error_counter_summary
;
2509 static void a0_datacounters(struct hfi1_pportdata
*ppd
, struct _port_dctrs
*rsp
,
2512 if (!is_bx(ppd
->dd
)) {
2514 u64 sum_vl_xmit_wait
= 0;
2515 u32 vl_all_mask
= VL_MASK_ALL
;
2517 for_each_set_bit(vl
, (unsigned long *)&(vl_all_mask
),
2518 8 * sizeof(vl_all_mask
)) {
2519 u64 tmp
= sum_vl_xmit_wait
+
2520 read_port_cntr(ppd
, C_TX_WAIT_VL
,
2522 if (tmp
< sum_vl_xmit_wait
) {
2524 sum_vl_xmit_wait
= (u64
)~0;
2527 sum_vl_xmit_wait
= tmp
;
2529 if (be64_to_cpu(rsp
->port_xmit_wait
) > sum_vl_xmit_wait
)
2530 rsp
->port_xmit_wait
= cpu_to_be64(sum_vl_xmit_wait
);
2534 static void pma_get_opa_port_dctrs(struct ib_device
*ibdev
,
2535 struct _port_dctrs
*rsp
)
2537 struct hfi1_devdata
*dd
= dd_from_ibdev(ibdev
);
2539 rsp
->port_xmit_data
= cpu_to_be64(read_dev_cntr(dd
, C_DC_XMIT_FLITS
,
2541 rsp
->port_rcv_data
= cpu_to_be64(read_dev_cntr(dd
, C_DC_RCV_FLITS
,
2543 rsp
->port_xmit_pkts
= cpu_to_be64(read_dev_cntr(dd
, C_DC_XMIT_PKTS
,
2545 rsp
->port_rcv_pkts
= cpu_to_be64(read_dev_cntr(dd
, C_DC_RCV_PKTS
,
2547 rsp
->port_multicast_xmit_pkts
=
2548 cpu_to_be64(read_dev_cntr(dd
, C_DC_MC_XMIT_PKTS
,
2550 rsp
->port_multicast_rcv_pkts
=
2551 cpu_to_be64(read_dev_cntr(dd
, C_DC_MC_RCV_PKTS
,
2555 static int pma_get_opa_datacounters(struct opa_pma_mad
*pmp
,
2556 struct ib_device
*ibdev
, u8 port
, u32
*resp_len
)
2558 struct opa_port_data_counters_msg
*req
=
2559 (struct opa_port_data_counters_msg
*)pmp
->data
;
2560 struct hfi1_devdata
*dd
= dd_from_ibdev(ibdev
);
2561 struct hfi1_ibport
*ibp
= to_iport(ibdev
, port
);
2562 struct hfi1_pportdata
*ppd
= ppd_from_ibp(ibp
);
2563 struct _port_dctrs
*rsp
;
2564 struct _vls_dctrs
*vlinfo
;
2565 size_t response_data_size
;
2569 u8 res_lli
, res_ler
;
2571 unsigned long port_num
;
2576 num_ports
= be32_to_cpu(pmp
->mad_hdr
.attr_mod
) >> 24;
2577 num_pslm
= hweight64(be64_to_cpu(req
->port_select_mask
[3]));
2578 num_vls
= hweight32(be32_to_cpu(req
->vl_select_mask
));
2579 vl_select_mask
= be32_to_cpu(req
->vl_select_mask
);
2580 res_lli
= (u8
)(be32_to_cpu(req
->resolution
) & MSK_LLI
) >> MSK_LLI_SFT
;
2581 res_lli
= res_lli
? res_lli
+ ADD_LLI
: 0;
2582 res_ler
= (u8
)(be32_to_cpu(req
->resolution
) & MSK_LER
) >> MSK_LER_SFT
;
2583 res_ler
= res_ler
? res_ler
+ ADD_LER
: 0;
2585 if (num_ports
!= 1 || (vl_select_mask
& ~VL_MASK_ALL
)) {
2586 pmp
->mad_hdr
.status
|= IB_SMP_INVALID_FIELD
;
2587 return reply((struct ib_mad_hdr
*)pmp
);
2591 response_data_size
= sizeof(struct opa_port_data_counters_msg
) +
2592 num_vls
* sizeof(struct _vls_dctrs
);
2594 if (response_data_size
> sizeof(pmp
->data
)) {
2595 pmp
->mad_hdr
.status
|= IB_SMP_INVALID_FIELD
;
2596 return reply((struct ib_mad_hdr
*)pmp
);
2600 * The bit set in the mask needs to be consistent with the
2601 * port the request came in on.
2603 port_mask
= be64_to_cpu(req
->port_select_mask
[3]);
2604 port_num
= find_first_bit((unsigned long *)&port_mask
,
2607 if ((u8
)port_num
!= port
) {
2608 pmp
->mad_hdr
.status
|= IB_SMP_INVALID_FIELD
;
2609 return reply((struct ib_mad_hdr
*)pmp
);
2612 rsp
= (struct _port_dctrs
*)&req
->port
[0];
2613 memset(rsp
, 0, sizeof(*rsp
));
2615 rsp
->port_number
= port
;
2617 * Note that link_quality_indicator is a 32 bit quantity in
2618 * 'datacounters' queries (as opposed to 'portinfo' queries,
2619 * where it's a byte).
2621 hfi1_read_link_quality(dd
, &lq
);
2622 rsp
->link_quality_indicator
= cpu_to_be32((u32
)lq
);
2623 pma_get_opa_port_dctrs(ibdev
, rsp
);
2625 rsp
->port_xmit_wait
=
2626 cpu_to_be64(read_port_cntr(ppd
, C_TX_WAIT
, CNTR_INVALID_VL
));
2627 rsp
->port_rcv_fecn
=
2628 cpu_to_be64(read_dev_cntr(dd
, C_DC_RCV_FCN
, CNTR_INVALID_VL
));
2629 rsp
->port_rcv_becn
=
2630 cpu_to_be64(read_dev_cntr(dd
, C_DC_RCV_BCN
, CNTR_INVALID_VL
));
2631 rsp
->port_error_counter_summary
=
2632 cpu_to_be64(get_error_counter_summary(ibdev
, port
,
2635 vlinfo
= &rsp
->vls
[0];
2637 /* The vl_select_mask has been checked above, and we know
2638 * that it contains only entries which represent valid VLs.
2639 * So in the for_each_set_bit() loop below, we don't need
2640 * any additional checks for vl.
2642 for_each_set_bit(vl
, (unsigned long *)&(vl_select_mask
),
2643 8 * sizeof(req
->vl_select_mask
)) {
2644 memset(vlinfo
, 0, sizeof(*vlinfo
));
2646 rsp
->vls
[vfi
].port_vl_xmit_data
=
2647 cpu_to_be64(read_port_cntr(ppd
, C_TX_FLIT_VL
,
2650 rsp
->vls
[vfi
].port_vl_rcv_data
=
2651 cpu_to_be64(read_dev_cntr(dd
, C_DC_RX_FLIT_VL
,
2654 rsp
->vls
[vfi
].port_vl_xmit_pkts
=
2655 cpu_to_be64(read_port_cntr(ppd
, C_TX_PKT_VL
,
2658 rsp
->vls
[vfi
].port_vl_rcv_pkts
=
2659 cpu_to_be64(read_dev_cntr(dd
, C_DC_RX_PKT_VL
,
2662 rsp
->vls
[vfi
].port_vl_xmit_wait
=
2663 cpu_to_be64(read_port_cntr(ppd
, C_TX_WAIT_VL
,
2666 rsp
->vls
[vfi
].port_vl_rcv_fecn
=
2667 cpu_to_be64(read_dev_cntr(dd
, C_DC_RCV_FCN_VL
,
2669 rsp
->vls
[vfi
].port_vl_rcv_becn
=
2670 cpu_to_be64(read_dev_cntr(dd
, C_DC_RCV_BCN_VL
,
2673 /* rsp->port_vl_xmit_time_cong is 0 for HFIs */
2674 /* rsp->port_vl_xmit_wasted_bw ??? */
2675 /* port_vl_xmit_wait_data - TXE (table 13-9 HFI spec) ???
2676 * does this differ from rsp->vls[vfi].port_vl_xmit_wait */
2677 /*rsp->vls[vfi].port_vl_mark_fecn =
2678 cpu_to_be64(read_csr(dd, DCC_PRF_PORT_VL_MARK_FECN_CNT
2685 a0_datacounters(ppd
, rsp
, vl_select_mask
);
2688 *resp_len
+= response_data_size
;
2690 return reply((struct ib_mad_hdr
*)pmp
);
2693 static int pma_get_ib_portcounters_ext(struct ib_pma_mad
*pmp
,
2694 struct ib_device
*ibdev
, u8 port
)
2696 struct ib_pma_portcounters_ext
*p
= (struct ib_pma_portcounters_ext
*)
2698 struct _port_dctrs rsp
;
2700 if (pmp
->mad_hdr
.attr_mod
!= 0 || p
->port_select
!= port
) {
2701 pmp
->mad_hdr
.status
|= IB_SMP_INVALID_FIELD
;
2705 memset(&rsp
, 0, sizeof(rsp
));
2706 pma_get_opa_port_dctrs(ibdev
, &rsp
);
2708 p
->port_xmit_data
= rsp
.port_xmit_data
;
2709 p
->port_rcv_data
= rsp
.port_rcv_data
;
2710 p
->port_xmit_packets
= rsp
.port_xmit_pkts
;
2711 p
->port_rcv_packets
= rsp
.port_rcv_pkts
;
2712 p
->port_unicast_xmit_packets
= 0;
2713 p
->port_unicast_rcv_packets
= 0;
2714 p
->port_multicast_xmit_packets
= rsp
.port_multicast_xmit_pkts
;
2715 p
->port_multicast_rcv_packets
= rsp
.port_multicast_rcv_pkts
;
2718 return reply((struct ib_mad_hdr
*)pmp
);
2721 static void pma_get_opa_port_ectrs(struct ib_device
*ibdev
,
2722 struct _port_ectrs
*rsp
, u8 port
)
2725 struct hfi1_devdata
*dd
= dd_from_ibdev(ibdev
);
2726 struct hfi1_ibport
*ibp
= to_iport(ibdev
, port
);
2727 struct hfi1_pportdata
*ppd
= ppd_from_ibp(ibp
);
2729 tmp
= read_dev_cntr(dd
, C_DC_SEQ_CRC_CNT
, CNTR_INVALID_VL
);
2730 tmp2
= tmp
+ read_dev_cntr(dd
, C_DC_REINIT_FROM_PEER_CNT
,
2732 if (tmp2
> (u32
)UINT_MAX
|| tmp2
< tmp
) {
2733 /* overflow/wrapped */
2734 rsp
->link_error_recovery
= cpu_to_be32(~0);
2736 rsp
->link_error_recovery
= cpu_to_be32(tmp2
);
2739 rsp
->link_downed
= cpu_to_be32(read_port_cntr(ppd
, C_SW_LINK_DOWN
,
2741 rsp
->port_rcv_errors
=
2742 cpu_to_be64(read_dev_cntr(dd
, C_DC_RCV_ERR
, CNTR_INVALID_VL
));
2743 rsp
->port_rcv_remote_physical_errors
=
2744 cpu_to_be64(read_dev_cntr(dd
, C_DC_RMT_PHY_ERR
,
2746 rsp
->port_rcv_switch_relay_errors
= 0;
2747 rsp
->port_xmit_discards
=
2748 cpu_to_be64(read_port_cntr(ppd
, C_SW_XMIT_DSCD
,
2750 rsp
->port_xmit_constraint_errors
=
2751 cpu_to_be64(read_port_cntr(ppd
, C_SW_XMIT_CSTR_ERR
,
2753 rsp
->port_rcv_constraint_errors
=
2754 cpu_to_be64(read_port_cntr(ppd
, C_SW_RCV_CSTR_ERR
,
2756 tmp
= read_dev_cntr(dd
, C_DC_RX_REPLAY
, CNTR_INVALID_VL
);
2757 tmp2
= tmp
+ read_dev_cntr(dd
, C_DC_TX_REPLAY
, CNTR_INVALID_VL
);
2759 /* overflow/wrapped */
2760 rsp
->local_link_integrity_errors
= cpu_to_be64(~0);
2762 rsp
->local_link_integrity_errors
= cpu_to_be64(tmp2
);
2764 rsp
->excessive_buffer_overruns
=
2765 cpu_to_be64(read_dev_cntr(dd
, C_RCV_OVF
, CNTR_INVALID_VL
));
2768 static int pma_get_opa_porterrors(struct opa_pma_mad
*pmp
,
2769 struct ib_device
*ibdev
, u8 port
, u32
*resp_len
)
2771 size_t response_data_size
;
2772 struct _port_ectrs
*rsp
;
2774 struct opa_port_error_counters64_msg
*req
;
2775 struct hfi1_devdata
*dd
= dd_from_ibdev(ibdev
);
2779 struct hfi1_ibport
*ibp
;
2780 struct hfi1_pportdata
*ppd
;
2781 struct _vls_ectrs
*vlinfo
;
2787 req
= (struct opa_port_error_counters64_msg
*)pmp
->data
;
2789 num_ports
= be32_to_cpu(pmp
->mad_hdr
.attr_mod
) >> 24;
2791 num_pslm
= hweight64(be64_to_cpu(req
->port_select_mask
[3]));
2792 num_vls
= hweight32(be32_to_cpu(req
->vl_select_mask
));
2794 if (num_ports
!= 1 || num_ports
!= num_pslm
) {
2795 pmp
->mad_hdr
.status
|= IB_SMP_INVALID_FIELD
;
2796 return reply((struct ib_mad_hdr
*)pmp
);
2799 response_data_size
= sizeof(struct opa_port_error_counters64_msg
) +
2800 num_vls
* sizeof(struct _vls_ectrs
);
2802 if (response_data_size
> sizeof(pmp
->data
)) {
2803 pmp
->mad_hdr
.status
|= IB_SMP_INVALID_FIELD
;
2804 return reply((struct ib_mad_hdr
*)pmp
);
2807 * The bit set in the mask needs to be consistent with the
2808 * port the request came in on.
2810 port_mask
= be64_to_cpu(req
->port_select_mask
[3]);
2811 port_num
= find_first_bit((unsigned long *)&port_mask
,
2814 if (port_num
!= port
) {
2815 pmp
->mad_hdr
.status
|= IB_SMP_INVALID_FIELD
;
2816 return reply((struct ib_mad_hdr
*)pmp
);
2819 rsp
= (struct _port_ectrs
*)&req
->port
[0];
2821 ibp
= to_iport(ibdev
, port_num
);
2822 ppd
= ppd_from_ibp(ibp
);
2824 memset(rsp
, 0, sizeof(*rsp
));
2825 rsp
->port_number
= port_num
;
2827 pma_get_opa_port_ectrs(ibdev
, rsp
, port_num
);
2829 rsp
->port_rcv_remote_physical_errors
=
2830 cpu_to_be64(read_dev_cntr(dd
, C_DC_RMT_PHY_ERR
,
2832 rsp
->fm_config_errors
=
2833 cpu_to_be64(read_dev_cntr(dd
, C_DC_FM_CFG_ERR
,
2835 tmp
= read_dev_cntr(dd
, C_DC_UNC_ERR
, CNTR_INVALID_VL
);
2837 rsp
->uncorrectable_errors
= tmp
< 0x100 ? (tmp
& 0xff) : 0xff;
2839 vlinfo
= (struct _vls_ectrs
*)&rsp
->vls
[0];
2841 vl_select_mask
= be32_to_cpu(req
->vl_select_mask
);
2842 for_each_set_bit(vl
, (unsigned long *)&(vl_select_mask
),
2843 8 * sizeof(req
->vl_select_mask
)) {
2844 memset(vlinfo
, 0, sizeof(*vlinfo
));
2845 /* vlinfo->vls[vfi].port_vl_xmit_discards ??? */
2851 *resp_len
+= response_data_size
;
2853 return reply((struct ib_mad_hdr
*)pmp
);
2856 static int pma_get_ib_portcounters(struct ib_pma_mad
*pmp
,
2857 struct ib_device
*ibdev
, u8 port
)
2859 struct ib_pma_portcounters
*p
= (struct ib_pma_portcounters
*)
2861 struct _port_ectrs rsp
;
2862 u64 temp_link_overrun_errors
;
2866 memset(&rsp
, 0, sizeof(rsp
));
2867 pma_get_opa_port_ectrs(ibdev
, &rsp
, port
);
2869 if (pmp
->mad_hdr
.attr_mod
!= 0 || p
->port_select
!= port
) {
2870 pmp
->mad_hdr
.status
|= IB_SMP_INVALID_FIELD
;
2874 p
->symbol_error_counter
= 0; /* N/A for OPA */
2876 temp_32
= be32_to_cpu(rsp
.link_error_recovery
);
2877 if (temp_32
> 0xFFUL
)
2878 p
->link_error_recovery_counter
= 0xFF;
2880 p
->link_error_recovery_counter
= (u8
)temp_32
;
2882 temp_32
= be32_to_cpu(rsp
.link_downed
);
2883 if (temp_32
> 0xFFUL
)
2884 p
->link_downed_counter
= 0xFF;
2886 p
->link_downed_counter
= (u8
)temp_32
;
2888 temp_64
= be64_to_cpu(rsp
.port_rcv_errors
);
2889 if (temp_64
> 0xFFFFUL
)
2890 p
->port_rcv_errors
= cpu_to_be16(0xFFFF);
2892 p
->port_rcv_errors
= cpu_to_be16((u16
)temp_64
);
2894 temp_64
= be64_to_cpu(rsp
.port_rcv_remote_physical_errors
);
2895 if (temp_64
> 0xFFFFUL
)
2896 p
->port_rcv_remphys_errors
= cpu_to_be16(0xFFFF);
2898 p
->port_rcv_remphys_errors
= cpu_to_be16((u16
)temp_64
);
2900 temp_64
= be64_to_cpu(rsp
.port_rcv_switch_relay_errors
);
2901 p
->port_rcv_switch_relay_errors
= cpu_to_be16((u16
)temp_64
);
2903 temp_64
= be64_to_cpu(rsp
.port_xmit_discards
);
2904 if (temp_64
> 0xFFFFUL
)
2905 p
->port_xmit_discards
= cpu_to_be16(0xFFFF);
2907 p
->port_xmit_discards
= cpu_to_be16((u16
)temp_64
);
2909 temp_64
= be64_to_cpu(rsp
.port_xmit_constraint_errors
);
2910 if (temp_64
> 0xFFUL
)
2911 p
->port_xmit_constraint_errors
= 0xFF;
2913 p
->port_xmit_constraint_errors
= (u8
)temp_64
;
2915 temp_64
= be64_to_cpu(rsp
.port_rcv_constraint_errors
);
2916 if (temp_64
> 0xFFUL
)
2917 p
->port_rcv_constraint_errors
= 0xFFUL
;
2919 p
->port_rcv_constraint_errors
= (u8
)temp_64
;
2921 /* LocalLink: 7:4, BufferOverrun: 3:0 */
2922 temp_64
= be64_to_cpu(rsp
.local_link_integrity_errors
);
2923 if (temp_64
> 0xFUL
)
2926 temp_link_overrun_errors
= temp_64
<< 4;
2928 temp_64
= be64_to_cpu(rsp
.excessive_buffer_overruns
);
2929 if (temp_64
> 0xFUL
)
2931 temp_link_overrun_errors
|= temp_64
;
2933 p
->link_overrun_errors
= (u8
)temp_link_overrun_errors
;
2935 p
->vl15_dropped
= 0; /* N/A for OPA */
2938 return reply((struct ib_mad_hdr
*)pmp
);
2941 static int pma_get_opa_errorinfo(struct opa_pma_mad
*pmp
,
2942 struct ib_device
*ibdev
, u8 port
, u32
*resp_len
)
2944 size_t response_data_size
;
2945 struct _port_ei
*rsp
;
2946 struct opa_port_error_info_msg
*req
;
2947 struct hfi1_devdata
*dd
= dd_from_ibdev(ibdev
);
2954 req
= (struct opa_port_error_info_msg
*)pmp
->data
;
2955 rsp
= (struct _port_ei
*)&req
->port
[0];
2957 num_ports
= OPA_AM_NPORT(be32_to_cpu(pmp
->mad_hdr
.attr_mod
));
2958 num_pslm
= hweight64(be64_to_cpu(req
->port_select_mask
[3]));
2960 memset(rsp
, 0, sizeof(*rsp
));
2962 if (num_ports
!= 1 || num_ports
!= num_pslm
) {
2963 pmp
->mad_hdr
.status
|= IB_SMP_INVALID_FIELD
;
2964 return reply((struct ib_mad_hdr
*)pmp
);
2968 response_data_size
= sizeof(struct opa_port_error_info_msg
);
2970 if (response_data_size
> sizeof(pmp
->data
)) {
2971 pmp
->mad_hdr
.status
|= IB_SMP_INVALID_FIELD
;
2972 return reply((struct ib_mad_hdr
*)pmp
);
2976 * The bit set in the mask needs to be consistent with the port
2977 * the request came in on.
2979 port_mask
= be64_to_cpu(req
->port_select_mask
[3]);
2980 port_num
= find_first_bit((unsigned long *)&port_mask
,
2983 if (port_num
!= port
) {
2984 pmp
->mad_hdr
.status
|= IB_SMP_INVALID_FIELD
;
2985 return reply((struct ib_mad_hdr
*)pmp
);
2988 /* PortRcvErrorInfo */
2989 rsp
->port_rcv_ei
.status_and_code
=
2990 dd
->err_info_rcvport
.status_and_code
;
2991 memcpy(&rsp
->port_rcv_ei
.ei
.ei1to12
.packet_flit1
,
2992 &dd
->err_info_rcvport
.packet_flit1
, sizeof(u64
));
2993 memcpy(&rsp
->port_rcv_ei
.ei
.ei1to12
.packet_flit2
,
2994 &dd
->err_info_rcvport
.packet_flit2
, sizeof(u64
));
2996 /* ExcessiverBufferOverrunInfo */
2997 reg
= read_csr(dd
, RCV_ERR_INFO
);
2998 if (reg
& RCV_ERR_INFO_RCV_EXCESS_BUFFER_OVERRUN_SMASK
) {
2999 /* if the RcvExcessBufferOverrun bit is set, save SC of
3000 * first pkt that encountered an excess buffer overrun */
3003 tmp
&= RCV_ERR_INFO_RCV_EXCESS_BUFFER_OVERRUN_SC_SMASK
;
3005 rsp
->excessive_buffer_overrun_ei
.status_and_sc
= tmp
;
3006 /* set the status bit */
3007 rsp
->excessive_buffer_overrun_ei
.status_and_sc
|= 0x80;
3010 rsp
->port_xmit_constraint_ei
.status
=
3011 dd
->err_info_xmit_constraint
.status
;
3012 rsp
->port_xmit_constraint_ei
.pkey
=
3013 cpu_to_be16(dd
->err_info_xmit_constraint
.pkey
);
3014 rsp
->port_xmit_constraint_ei
.slid
=
3015 cpu_to_be32(dd
->err_info_xmit_constraint
.slid
);
3017 rsp
->port_rcv_constraint_ei
.status
=
3018 dd
->err_info_rcv_constraint
.status
;
3019 rsp
->port_rcv_constraint_ei
.pkey
=
3020 cpu_to_be16(dd
->err_info_rcv_constraint
.pkey
);
3021 rsp
->port_rcv_constraint_ei
.slid
=
3022 cpu_to_be32(dd
->err_info_rcv_constraint
.slid
);
3024 /* UncorrectableErrorInfo */
3025 rsp
->uncorrectable_ei
.status_and_code
= dd
->err_info_uncorrectable
;
3027 /* FMConfigErrorInfo */
3028 rsp
->fm_config_ei
.status_and_code
= dd
->err_info_fmconfig
;
3031 *resp_len
+= response_data_size
;
3033 return reply((struct ib_mad_hdr
*)pmp
);
3036 static int pma_set_opa_portstatus(struct opa_pma_mad
*pmp
,
3037 struct ib_device
*ibdev
, u8 port
, u32
*resp_len
)
3039 struct opa_clear_port_status
*req
=
3040 (struct opa_clear_port_status
*)pmp
->data
;
3041 struct hfi1_devdata
*dd
= dd_from_ibdev(ibdev
);
3042 struct hfi1_ibport
*ibp
= to_iport(ibdev
, port
);
3043 struct hfi1_pportdata
*ppd
= ppd_from_ibp(ibp
);
3044 u32 nports
= be32_to_cpu(pmp
->mad_hdr
.attr_mod
) >> 24;
3045 u64 portn
= be64_to_cpu(req
->port_select_mask
[3]);
3046 u32 counter_select
= be32_to_cpu(req
->counter_select_mask
);
3047 u32 vl_select_mask
= VL_MASK_ALL
; /* clear all per-vl cnts */
3050 if ((nports
!= 1) || (portn
!= 1 << port
)) {
3051 pmp
->mad_hdr
.status
|= IB_SMP_INVALID_FIELD
;
3052 return reply((struct ib_mad_hdr
*)pmp
);
3055 * only counters returned by pma_get_opa_portstatus() are
3056 * handled, so when pma_get_opa_portstatus() gets a fix,
3057 * the corresponding change should be made here as well.
3060 if (counter_select
& CS_PORT_XMIT_DATA
)
3061 write_dev_cntr(dd
, C_DC_XMIT_FLITS
, CNTR_INVALID_VL
, 0);
3063 if (counter_select
& CS_PORT_RCV_DATA
)
3064 write_dev_cntr(dd
, C_DC_RCV_FLITS
, CNTR_INVALID_VL
, 0);
3066 if (counter_select
& CS_PORT_XMIT_PKTS
)
3067 write_dev_cntr(dd
, C_DC_XMIT_PKTS
, CNTR_INVALID_VL
, 0);
3069 if (counter_select
& CS_PORT_RCV_PKTS
)
3070 write_dev_cntr(dd
, C_DC_RCV_PKTS
, CNTR_INVALID_VL
, 0);
3072 if (counter_select
& CS_PORT_MCAST_XMIT_PKTS
)
3073 write_dev_cntr(dd
, C_DC_MC_XMIT_PKTS
, CNTR_INVALID_VL
, 0);
3075 if (counter_select
& CS_PORT_MCAST_RCV_PKTS
)
3076 write_dev_cntr(dd
, C_DC_MC_RCV_PKTS
, CNTR_INVALID_VL
, 0);
3078 if (counter_select
& CS_PORT_XMIT_WAIT
)
3079 write_port_cntr(ppd
, C_TX_WAIT
, CNTR_INVALID_VL
, 0);
3081 /* ignore cs_sw_portCongestion for HFIs */
3083 if (counter_select
& CS_PORT_RCV_FECN
)
3084 write_dev_cntr(dd
, C_DC_RCV_FCN
, CNTR_INVALID_VL
, 0);
3086 if (counter_select
& CS_PORT_RCV_BECN
)
3087 write_dev_cntr(dd
, C_DC_RCV_BCN
, CNTR_INVALID_VL
, 0);
3089 /* ignore cs_port_xmit_time_cong for HFIs */
3090 /* ignore cs_port_xmit_wasted_bw for now */
3091 /* ignore cs_port_xmit_wait_data for now */
3092 if (counter_select
& CS_PORT_RCV_BUBBLE
)
3093 write_dev_cntr(dd
, C_DC_RCV_BBL
, CNTR_INVALID_VL
, 0);
3095 /* Only applicable for switch */
3096 /*if (counter_select & CS_PORT_MARK_FECN)
3097 write_csr(dd, DCC_PRF_PORT_MARK_FECN_CNT, 0);*/
3099 if (counter_select
& CS_PORT_RCV_CONSTRAINT_ERRORS
)
3100 write_port_cntr(ppd
, C_SW_RCV_CSTR_ERR
, CNTR_INVALID_VL
, 0);
3102 /* ignore cs_port_rcv_switch_relay_errors for HFIs */
3103 if (counter_select
& CS_PORT_XMIT_DISCARDS
)
3104 write_port_cntr(ppd
, C_SW_XMIT_DSCD
, CNTR_INVALID_VL
, 0);
3106 if (counter_select
& CS_PORT_XMIT_CONSTRAINT_ERRORS
)
3107 write_port_cntr(ppd
, C_SW_XMIT_CSTR_ERR
, CNTR_INVALID_VL
, 0);
3109 if (counter_select
& CS_PORT_RCV_REMOTE_PHYSICAL_ERRORS
)
3110 write_dev_cntr(dd
, C_DC_RMT_PHY_ERR
, CNTR_INVALID_VL
, 0);
3112 if (counter_select
& CS_LOCAL_LINK_INTEGRITY_ERRORS
) {
3113 write_dev_cntr(dd
, C_DC_TX_REPLAY
, CNTR_INVALID_VL
, 0);
3114 write_dev_cntr(dd
, C_DC_RX_REPLAY
, CNTR_INVALID_VL
, 0);
3117 if (counter_select
& CS_LINK_ERROR_RECOVERY
) {
3118 write_dev_cntr(dd
, C_DC_SEQ_CRC_CNT
, CNTR_INVALID_VL
, 0);
3119 write_dev_cntr(dd
, C_DC_REINIT_FROM_PEER_CNT
,
3120 CNTR_INVALID_VL
, 0);
3123 if (counter_select
& CS_PORT_RCV_ERRORS
)
3124 write_dev_cntr(dd
, C_DC_RCV_ERR
, CNTR_INVALID_VL
, 0);
3126 if (counter_select
& CS_EXCESSIVE_BUFFER_OVERRUNS
) {
3127 write_dev_cntr(dd
, C_RCV_OVF
, CNTR_INVALID_VL
, 0);
3128 dd
->rcv_ovfl_cnt
= 0;
3131 if (counter_select
& CS_FM_CONFIG_ERRORS
)
3132 write_dev_cntr(dd
, C_DC_FM_CFG_ERR
, CNTR_INVALID_VL
, 0);
3134 if (counter_select
& CS_LINK_DOWNED
)
3135 write_port_cntr(ppd
, C_SW_LINK_DOWN
, CNTR_INVALID_VL
, 0);
3137 if (counter_select
& CS_UNCORRECTABLE_ERRORS
)
3138 write_dev_cntr(dd
, C_DC_UNC_ERR
, CNTR_INVALID_VL
, 0);
3140 for_each_set_bit(vl
, (unsigned long *)&(vl_select_mask
),
3141 8 * sizeof(vl_select_mask
)) {
3142 if (counter_select
& CS_PORT_XMIT_DATA
)
3143 write_port_cntr(ppd
, C_TX_FLIT_VL
, idx_from_vl(vl
), 0);
3145 if (counter_select
& CS_PORT_RCV_DATA
)
3146 write_dev_cntr(dd
, C_DC_RX_FLIT_VL
, idx_from_vl(vl
), 0);
3148 if (counter_select
& CS_PORT_XMIT_PKTS
)
3149 write_port_cntr(ppd
, C_TX_PKT_VL
, idx_from_vl(vl
), 0);
3151 if (counter_select
& CS_PORT_RCV_PKTS
)
3152 write_dev_cntr(dd
, C_DC_RX_PKT_VL
, idx_from_vl(vl
), 0);
3154 if (counter_select
& CS_PORT_XMIT_WAIT
)
3155 write_port_cntr(ppd
, C_TX_WAIT_VL
, idx_from_vl(vl
), 0);
3157 /* sw_port_vl_congestion is 0 for HFIs */
3158 if (counter_select
& CS_PORT_RCV_FECN
)
3159 write_dev_cntr(dd
, C_DC_RCV_FCN_VL
, idx_from_vl(vl
), 0);
3161 if (counter_select
& CS_PORT_RCV_BECN
)
3162 write_dev_cntr(dd
, C_DC_RCV_BCN_VL
, idx_from_vl(vl
), 0);
3164 /* port_vl_xmit_time_cong is 0 for HFIs */
3165 /* port_vl_xmit_wasted_bw ??? */
3166 /* port_vl_xmit_wait_data - TXE (table 13-9 HFI spec) ??? */
3167 if (counter_select
& CS_PORT_RCV_BUBBLE
)
3168 write_dev_cntr(dd
, C_DC_RCV_BBL_VL
, idx_from_vl(vl
), 0);
3170 /*if (counter_select & CS_PORT_MARK_FECN)
3171 write_csr(dd, DCC_PRF_PORT_VL_MARK_FECN_CNT + offset, 0);
3173 /* port_vl_xmit_discards ??? */
3177 *resp_len
+= sizeof(*req
);
3179 return reply((struct ib_mad_hdr
*)pmp
);
3182 static int pma_set_opa_errorinfo(struct opa_pma_mad
*pmp
,
3183 struct ib_device
*ibdev
, u8 port
, u32
*resp_len
)
3185 struct _port_ei
*rsp
;
3186 struct opa_port_error_info_msg
*req
;
3187 struct hfi1_devdata
*dd
= dd_from_ibdev(ibdev
);
3192 u32 error_info_select
;
3194 req
= (struct opa_port_error_info_msg
*)pmp
->data
;
3195 rsp
= (struct _port_ei
*)&req
->port
[0];
3197 num_ports
= OPA_AM_NPORT(be32_to_cpu(pmp
->mad_hdr
.attr_mod
));
3198 num_pslm
= hweight64(be64_to_cpu(req
->port_select_mask
[3]));
3200 memset(rsp
, 0, sizeof(*rsp
));
3202 if (num_ports
!= 1 || num_ports
!= num_pslm
) {
3203 pmp
->mad_hdr
.status
|= IB_SMP_INVALID_FIELD
;
3204 return reply((struct ib_mad_hdr
*)pmp
);
3208 * The bit set in the mask needs to be consistent with the port
3209 * the request came in on.
3211 port_mask
= be64_to_cpu(req
->port_select_mask
[3]);
3212 port_num
= find_first_bit((unsigned long *)&port_mask
,
3215 if (port_num
!= port
) {
3216 pmp
->mad_hdr
.status
|= IB_SMP_INVALID_FIELD
;
3217 return reply((struct ib_mad_hdr
*)pmp
);
3220 error_info_select
= be32_to_cpu(req
->error_info_select_mask
);
3222 /* PortRcvErrorInfo */
3223 if (error_info_select
& ES_PORT_RCV_ERROR_INFO
)
3224 /* turn off status bit */
3225 dd
->err_info_rcvport
.status_and_code
&= ~OPA_EI_STATUS_SMASK
;
3227 /* ExcessiverBufferOverrunInfo */
3228 if (error_info_select
& ES_EXCESSIVE_BUFFER_OVERRUN_INFO
)
3229 /* status bit is essentially kept in the h/w - bit 5 of
3231 write_csr(dd
, RCV_ERR_INFO
,
3232 RCV_ERR_INFO_RCV_EXCESS_BUFFER_OVERRUN_SMASK
);
3234 if (error_info_select
& ES_PORT_XMIT_CONSTRAINT_ERROR_INFO
)
3235 dd
->err_info_xmit_constraint
.status
&= ~OPA_EI_STATUS_SMASK
;
3237 if (error_info_select
& ES_PORT_RCV_CONSTRAINT_ERROR_INFO
)
3238 dd
->err_info_rcv_constraint
.status
&= ~OPA_EI_STATUS_SMASK
;
3240 /* UncorrectableErrorInfo */
3241 if (error_info_select
& ES_UNCORRECTABLE_ERROR_INFO
)
3242 /* turn off status bit */
3243 dd
->err_info_uncorrectable
&= ~OPA_EI_STATUS_SMASK
;
3245 /* FMConfigErrorInfo */
3246 if (error_info_select
& ES_FM_CONFIG_ERROR_INFO
)
3247 /* turn off status bit */
3248 dd
->err_info_fmconfig
&= ~OPA_EI_STATUS_SMASK
;
3251 *resp_len
+= sizeof(*req
);
3253 return reply((struct ib_mad_hdr
*)pmp
);
3256 struct opa_congestion_info_attr
{
3257 __be16 congestion_info
;
3258 u8 control_table_cap
; /* Multiple of 64 entry unit CCTs */
3259 u8 congestion_log_length
;
3262 static int __subn_get_opa_cong_info(struct opa_smp
*smp
, u32 am
, u8
*data
,
3263 struct ib_device
*ibdev
, u8 port
,
3266 struct opa_congestion_info_attr
*p
=
3267 (struct opa_congestion_info_attr
*)data
;
3268 struct hfi1_ibport
*ibp
= to_iport(ibdev
, port
);
3269 struct hfi1_pportdata
*ppd
= ppd_from_ibp(ibp
);
3271 p
->congestion_info
= 0;
3272 p
->control_table_cap
= ppd
->cc_max_table_entries
;
3273 p
->congestion_log_length
= OPA_CONG_LOG_ELEMS
;
3276 *resp_len
+= sizeof(*p
);
3278 return reply((struct ib_mad_hdr
*)smp
);
3281 static int __subn_get_opa_cong_setting(struct opa_smp
*smp
, u32 am
,
3283 struct ib_device
*ibdev
,
3284 u8 port
, u32
*resp_len
)
3287 struct opa_congestion_setting_attr
*p
=
3288 (struct opa_congestion_setting_attr
*)data
;
3289 struct hfi1_ibport
*ibp
= to_iport(ibdev
, port
);
3290 struct hfi1_pportdata
*ppd
= ppd_from_ibp(ibp
);
3291 struct opa_congestion_setting_entry_shadow
*entries
;
3292 struct cc_state
*cc_state
;
3296 cc_state
= get_cc_state(ppd
);
3300 return reply((struct ib_mad_hdr
*)smp
);
3303 entries
= cc_state
->cong_setting
.entries
;
3304 p
->port_control
= cpu_to_be16(cc_state
->cong_setting
.port_control
);
3305 p
->control_map
= cpu_to_be32(cc_state
->cong_setting
.control_map
);
3306 for (i
= 0; i
< OPA_MAX_SLS
; i
++) {
3307 p
->entries
[i
].ccti_increase
= entries
[i
].ccti_increase
;
3308 p
->entries
[i
].ccti_timer
= cpu_to_be16(entries
[i
].ccti_timer
);
3309 p
->entries
[i
].trigger_threshold
=
3310 entries
[i
].trigger_threshold
;
3311 p
->entries
[i
].ccti_min
= entries
[i
].ccti_min
;
3317 *resp_len
+= sizeof(*p
);
3319 return reply((struct ib_mad_hdr
*)smp
);
3322 static int __subn_set_opa_cong_setting(struct opa_smp
*smp
, u32 am
, u8
*data
,
3323 struct ib_device
*ibdev
, u8 port
,
3326 struct opa_congestion_setting_attr
*p
=
3327 (struct opa_congestion_setting_attr
*)data
;
3328 struct hfi1_ibport
*ibp
= to_iport(ibdev
, port
);
3329 struct hfi1_pportdata
*ppd
= ppd_from_ibp(ibp
);
3330 struct opa_congestion_setting_entry_shadow
*entries
;
3333 ppd
->cc_sl_control_map
= be32_to_cpu(p
->control_map
);
3335 entries
= ppd
->congestion_entries
;
3336 for (i
= 0; i
< OPA_MAX_SLS
; i
++) {
3337 entries
[i
].ccti_increase
= p
->entries
[i
].ccti_increase
;
3338 entries
[i
].ccti_timer
= be16_to_cpu(p
->entries
[i
].ccti_timer
);
3339 entries
[i
].trigger_threshold
=
3340 p
->entries
[i
].trigger_threshold
;
3341 entries
[i
].ccti_min
= p
->entries
[i
].ccti_min
;
3344 return __subn_get_opa_cong_setting(smp
, am
, data
, ibdev
, port
,
3348 static int __subn_get_opa_hfi1_cong_log(struct opa_smp
*smp
, u32 am
,
3349 u8
*data
, struct ib_device
*ibdev
,
3350 u8 port
, u32
*resp_len
)
3352 struct hfi1_ibport
*ibp
= to_iport(ibdev
, port
);
3353 struct hfi1_pportdata
*ppd
= ppd_from_ibp(ibp
);
3354 struct opa_hfi1_cong_log
*cong_log
= (struct opa_hfi1_cong_log
*)data
;
3359 smp
->status
|= IB_SMP_INVALID_FIELD
;
3360 return reply((struct ib_mad_hdr
*)smp
);
3363 spin_lock_irq(&ppd
->cc_log_lock
);
3365 cong_log
->log_type
= OPA_CC_LOG_TYPE_HFI
;
3366 cong_log
->congestion_flags
= 0;
3367 cong_log
->threshold_event_counter
=
3368 cpu_to_be16(ppd
->threshold_event_counter
);
3369 memcpy(cong_log
->threshold_cong_event_map
,
3370 ppd
->threshold_cong_event_map
,
3371 sizeof(cong_log
->threshold_cong_event_map
));
3372 /* keep timestamp in units of 1.024 usec */
3373 ts
= ktime_to_ns(ktime_get()) / 1024;
3374 cong_log
->current_time_stamp
= cpu_to_be32(ts
);
3375 for (i
= 0; i
< OPA_CONG_LOG_ELEMS
; i
++) {
3376 struct opa_hfi1_cong_log_event_internal
*cce
=
3377 &ppd
->cc_events
[ppd
->cc_mad_idx
++];
3378 if (ppd
->cc_mad_idx
== OPA_CONG_LOG_ELEMS
)
3379 ppd
->cc_mad_idx
= 0;
3381 * Entries which are older than twice the time
3382 * required to wrap the counter are supposed to
3383 * be zeroed (CA10-49 IBTA, release 1.2.1, V1).
3385 if ((u64
)(ts
- cce
->timestamp
) > (2 * UINT_MAX
))
3387 memcpy(cong_log
->events
[i
].local_qp_cn_entry
, &cce
->lqpn
, 3);
3388 memcpy(cong_log
->events
[i
].remote_qp_number_cn_entry
,
3390 cong_log
->events
[i
].sl_svc_type_cn_entry
=
3391 ((cce
->sl
& 0x1f) << 3) | (cce
->svc_type
& 0x7);
3392 cong_log
->events
[i
].remote_lid_cn_entry
=
3393 cpu_to_be32(cce
->rlid
);
3394 cong_log
->events
[i
].timestamp_cn_entry
=
3395 cpu_to_be32(cce
->timestamp
);
3399 * Reset threshold_cong_event_map, and threshold_event_counter
3400 * to 0 when log is read.
3402 memset(ppd
->threshold_cong_event_map
, 0x0,
3403 sizeof(ppd
->threshold_cong_event_map
));
3404 ppd
->threshold_event_counter
= 0;
3406 spin_unlock_irq(&ppd
->cc_log_lock
);
3409 *resp_len
+= sizeof(struct opa_hfi1_cong_log
);
3411 return reply((struct ib_mad_hdr
*)smp
);
3414 static int __subn_get_opa_cc_table(struct opa_smp
*smp
, u32 am
, u8
*data
,
3415 struct ib_device
*ibdev
, u8 port
,
3418 struct ib_cc_table_attr
*cc_table_attr
=
3419 (struct ib_cc_table_attr
*)data
;
3420 struct hfi1_ibport
*ibp
= to_iport(ibdev
, port
);
3421 struct hfi1_pportdata
*ppd
= ppd_from_ibp(ibp
);
3422 u32 start_block
= OPA_AM_START_BLK(am
);
3423 u32 n_blocks
= OPA_AM_NBLK(am
);
3424 struct ib_cc_table_entry_shadow
*entries
;
3427 struct cc_state
*cc_state
;
3429 /* sanity check n_blocks, start_block */
3430 if (n_blocks
== 0 ||
3431 start_block
+ n_blocks
> ppd
->cc_max_table_entries
) {
3432 smp
->status
|= IB_SMP_INVALID_FIELD
;
3433 return reply((struct ib_mad_hdr
*)smp
);
3438 cc_state
= get_cc_state(ppd
);
3442 return reply((struct ib_mad_hdr
*)smp
);
3445 sentry
= start_block
* IB_CCT_ENTRIES
;
3446 eentry
= sentry
+ (IB_CCT_ENTRIES
* n_blocks
);
3448 cc_table_attr
->ccti_limit
= cpu_to_be16(cc_state
->cct
.ccti_limit
);
3450 entries
= cc_state
->cct
.entries
;
3452 /* return n_blocks, though the last block may not be full */
3453 for (j
= 0, i
= sentry
; i
< eentry
; j
++, i
++)
3454 cc_table_attr
->ccti_entries
[j
].entry
=
3455 cpu_to_be16(entries
[i
].entry
);
3460 *resp_len
+= sizeof(u16
) * (IB_CCT_ENTRIES
* n_blocks
+ 1);
3462 return reply((struct ib_mad_hdr
*)smp
);
3465 void cc_state_reclaim(struct rcu_head
*rcu
)
3467 struct cc_state
*cc_state
= container_of(rcu
, struct cc_state
, rcu
);
3472 static int __subn_set_opa_cc_table(struct opa_smp
*smp
, u32 am
, u8
*data
,
3473 struct ib_device
*ibdev
, u8 port
,
3476 struct ib_cc_table_attr
*p
= (struct ib_cc_table_attr
*)data
;
3477 struct hfi1_ibport
*ibp
= to_iport(ibdev
, port
);
3478 struct hfi1_pportdata
*ppd
= ppd_from_ibp(ibp
);
3479 u32 start_block
= OPA_AM_START_BLK(am
);
3480 u32 n_blocks
= OPA_AM_NBLK(am
);
3481 struct ib_cc_table_entry_shadow
*entries
;
3485 struct cc_state
*old_cc_state
, *new_cc_state
;
3487 /* sanity check n_blocks, start_block */
3488 if (n_blocks
== 0 ||
3489 start_block
+ n_blocks
> ppd
->cc_max_table_entries
) {
3490 smp
->status
|= IB_SMP_INVALID_FIELD
;
3491 return reply((struct ib_mad_hdr
*)smp
);
3494 sentry
= start_block
* IB_CCT_ENTRIES
;
3495 eentry
= sentry
+ ((n_blocks
- 1) * IB_CCT_ENTRIES
) +
3496 (be16_to_cpu(p
->ccti_limit
)) % IB_CCT_ENTRIES
+ 1;
3498 /* sanity check ccti_limit */
3499 ccti_limit
= be16_to_cpu(p
->ccti_limit
);
3500 if (ccti_limit
+ 1 > eentry
) {
3501 smp
->status
|= IB_SMP_INVALID_FIELD
;
3502 return reply((struct ib_mad_hdr
*)smp
);
3505 new_cc_state
= kzalloc(sizeof(*new_cc_state
), GFP_KERNEL
);
3509 spin_lock(&ppd
->cc_state_lock
);
3511 old_cc_state
= get_cc_state(ppd
);
3513 if (!old_cc_state
) {
3514 spin_unlock(&ppd
->cc_state_lock
);
3515 kfree(new_cc_state
);
3516 return reply((struct ib_mad_hdr
*)smp
);
3519 *new_cc_state
= *old_cc_state
;
3521 new_cc_state
->cct
.ccti_limit
= ccti_limit
;
3523 entries
= ppd
->ccti_entries
;
3524 ppd
->total_cct_entry
= ccti_limit
+ 1;
3526 for (j
= 0, i
= sentry
; i
< eentry
; j
++, i
++)
3527 entries
[i
].entry
= be16_to_cpu(p
->ccti_entries
[j
].entry
);
3529 memcpy(new_cc_state
->cct
.entries
, entries
,
3530 eentry
* sizeof(struct ib_cc_table_entry
));
3532 new_cc_state
->cong_setting
.port_control
= IB_CC_CCS_PC_SL_BASED
;
3533 new_cc_state
->cong_setting
.control_map
= ppd
->cc_sl_control_map
;
3534 memcpy(new_cc_state
->cong_setting
.entries
, ppd
->congestion_entries
,
3535 OPA_MAX_SLS
* sizeof(struct opa_congestion_setting_entry
));
3537 rcu_assign_pointer(ppd
->cc_state
, new_cc_state
);
3539 spin_unlock(&ppd
->cc_state_lock
);
3541 call_rcu(&old_cc_state
->rcu
, cc_state_reclaim
);
3544 return __subn_get_opa_cc_table(smp
, am
, data
, ibdev
, port
, resp_len
);
3547 struct opa_led_info
{
3548 __be32 rsvd_led_mask
;
3552 #define OPA_LED_SHIFT 31
3553 #define OPA_LED_MASK BIT(OPA_LED_SHIFT)
3555 static int __subn_get_opa_led_info(struct opa_smp
*smp
, u32 am
, u8
*data
,
3556 struct ib_device
*ibdev
, u8 port
,
3559 struct hfi1_devdata
*dd
= dd_from_ibdev(ibdev
);
3560 struct opa_led_info
*p
= (struct opa_led_info
*)data
;
3561 u32 nport
= OPA_AM_NPORT(am
);
3565 smp
->status
|= IB_SMP_INVALID_FIELD
;
3566 return reply((struct ib_mad_hdr
*)smp
);
3569 reg
= read_csr(dd
, DCC_CFG_LED_CNTRL
);
3570 if ((reg
& DCC_CFG_LED_CNTRL_LED_CNTRL_SMASK
) &&
3571 ((reg
& DCC_CFG_LED_CNTRL_LED_SW_BLINK_RATE_SMASK
) == 0xf))
3572 p
->rsvd_led_mask
= cpu_to_be32(OPA_LED_MASK
);
3575 *resp_len
+= sizeof(struct opa_led_info
);
3577 return reply((struct ib_mad_hdr
*)smp
);
3580 static int __subn_set_opa_led_info(struct opa_smp
*smp
, u32 am
, u8
*data
,
3581 struct ib_device
*ibdev
, u8 port
,
3584 struct hfi1_devdata
*dd
= dd_from_ibdev(ibdev
);
3585 struct opa_led_info
*p
= (struct opa_led_info
*)data
;
3586 u32 nport
= OPA_AM_NPORT(am
);
3587 int on
= !!(be32_to_cpu(p
->rsvd_led_mask
) & OPA_LED_MASK
);
3590 smp
->status
|= IB_SMP_INVALID_FIELD
;
3591 return reply((struct ib_mad_hdr
*)smp
);
3595 hfi1_set_led_override(dd
->pport
, 2000, 1500);
3597 hfi1_set_led_override(dd
->pport
, 0, 0);
3599 return __subn_get_opa_led_info(smp
, am
, data
, ibdev
, port
, resp_len
);
3602 static int subn_get_opa_sma(__be16 attr_id
, struct opa_smp
*smp
, u32 am
,
3603 u8
*data
, struct ib_device
*ibdev
, u8 port
,
3607 struct hfi1_ibport
*ibp
= to_iport(ibdev
, port
);
3610 case IB_SMP_ATTR_NODE_DESC
:
3611 ret
= __subn_get_opa_nodedesc(smp
, am
, data
, ibdev
, port
,
3614 case IB_SMP_ATTR_NODE_INFO
:
3615 ret
= __subn_get_opa_nodeinfo(smp
, am
, data
, ibdev
, port
,
3618 case IB_SMP_ATTR_PORT_INFO
:
3619 ret
= __subn_get_opa_portinfo(smp
, am
, data
, ibdev
, port
,
3622 case IB_SMP_ATTR_PKEY_TABLE
:
3623 ret
= __subn_get_opa_pkeytable(smp
, am
, data
, ibdev
, port
,
3626 case OPA_ATTRIB_ID_SL_TO_SC_MAP
:
3627 ret
= __subn_get_opa_sl_to_sc(smp
, am
, data
, ibdev
, port
,
3630 case OPA_ATTRIB_ID_SC_TO_SL_MAP
:
3631 ret
= __subn_get_opa_sc_to_sl(smp
, am
, data
, ibdev
, port
,
3634 case OPA_ATTRIB_ID_SC_TO_VLT_MAP
:
3635 ret
= __subn_get_opa_sc_to_vlt(smp
, am
, data
, ibdev
, port
,
3638 case OPA_ATTRIB_ID_SC_TO_VLNT_MAP
:
3639 ret
= __subn_get_opa_sc_to_vlnt(smp
, am
, data
, ibdev
, port
,
3642 case OPA_ATTRIB_ID_PORT_STATE_INFO
:
3643 ret
= __subn_get_opa_psi(smp
, am
, data
, ibdev
, port
,
3646 case OPA_ATTRIB_ID_BUFFER_CONTROL_TABLE
:
3647 ret
= __subn_get_opa_bct(smp
, am
, data
, ibdev
, port
,
3650 case OPA_ATTRIB_ID_CABLE_INFO
:
3651 ret
= __subn_get_opa_cable_info(smp
, am
, data
, ibdev
, port
,
3654 case IB_SMP_ATTR_VL_ARB_TABLE
:
3655 ret
= __subn_get_opa_vl_arb(smp
, am
, data
, ibdev
, port
,
3658 case OPA_ATTRIB_ID_CONGESTION_INFO
:
3659 ret
= __subn_get_opa_cong_info(smp
, am
, data
, ibdev
, port
,
3662 case OPA_ATTRIB_ID_HFI_CONGESTION_SETTING
:
3663 ret
= __subn_get_opa_cong_setting(smp
, am
, data
, ibdev
,
3666 case OPA_ATTRIB_ID_HFI_CONGESTION_LOG
:
3667 ret
= __subn_get_opa_hfi1_cong_log(smp
, am
, data
, ibdev
,
3670 case OPA_ATTRIB_ID_CONGESTION_CONTROL_TABLE
:
3671 ret
= __subn_get_opa_cc_table(smp
, am
, data
, ibdev
, port
,
3674 case IB_SMP_ATTR_LED_INFO
:
3675 ret
= __subn_get_opa_led_info(smp
, am
, data
, ibdev
, port
,
3678 case IB_SMP_ATTR_SM_INFO
:
3679 if (ibp
->rvp
.port_cap_flags
& IB_PORT_SM_DISABLED
)
3680 return IB_MAD_RESULT_SUCCESS
| IB_MAD_RESULT_CONSUMED
;
3681 if (ibp
->rvp
.port_cap_flags
& IB_PORT_SM
)
3682 return IB_MAD_RESULT_SUCCESS
;
3685 smp
->status
|= IB_SMP_UNSUP_METH_ATTR
;
3686 ret
= reply((struct ib_mad_hdr
*)smp
);
3692 static int subn_set_opa_sma(__be16 attr_id
, struct opa_smp
*smp
, u32 am
,
3693 u8
*data
, struct ib_device
*ibdev
, u8 port
,
3697 struct hfi1_ibport
*ibp
= to_iport(ibdev
, port
);
3700 case IB_SMP_ATTR_PORT_INFO
:
3701 ret
= __subn_set_opa_portinfo(smp
, am
, data
, ibdev
, port
,
3704 case IB_SMP_ATTR_PKEY_TABLE
:
3705 ret
= __subn_set_opa_pkeytable(smp
, am
, data
, ibdev
, port
,
3708 case OPA_ATTRIB_ID_SL_TO_SC_MAP
:
3709 ret
= __subn_set_opa_sl_to_sc(smp
, am
, data
, ibdev
, port
,
3712 case OPA_ATTRIB_ID_SC_TO_SL_MAP
:
3713 ret
= __subn_set_opa_sc_to_sl(smp
, am
, data
, ibdev
, port
,
3716 case OPA_ATTRIB_ID_SC_TO_VLT_MAP
:
3717 ret
= __subn_set_opa_sc_to_vlt(smp
, am
, data
, ibdev
, port
,
3720 case OPA_ATTRIB_ID_SC_TO_VLNT_MAP
:
3721 ret
= __subn_set_opa_sc_to_vlnt(smp
, am
, data
, ibdev
, port
,
3724 case OPA_ATTRIB_ID_PORT_STATE_INFO
:
3725 ret
= __subn_set_opa_psi(smp
, am
, data
, ibdev
, port
,
3728 case OPA_ATTRIB_ID_BUFFER_CONTROL_TABLE
:
3729 ret
= __subn_set_opa_bct(smp
, am
, data
, ibdev
, port
,
3732 case IB_SMP_ATTR_VL_ARB_TABLE
:
3733 ret
= __subn_set_opa_vl_arb(smp
, am
, data
, ibdev
, port
,
3736 case OPA_ATTRIB_ID_HFI_CONGESTION_SETTING
:
3737 ret
= __subn_set_opa_cong_setting(smp
, am
, data
, ibdev
,
3740 case OPA_ATTRIB_ID_CONGESTION_CONTROL_TABLE
:
3741 ret
= __subn_set_opa_cc_table(smp
, am
, data
, ibdev
, port
,
3744 case IB_SMP_ATTR_LED_INFO
:
3745 ret
= __subn_set_opa_led_info(smp
, am
, data
, ibdev
, port
,
3748 case IB_SMP_ATTR_SM_INFO
:
3749 if (ibp
->rvp
.port_cap_flags
& IB_PORT_SM_DISABLED
)
3750 return IB_MAD_RESULT_SUCCESS
| IB_MAD_RESULT_CONSUMED
;
3751 if (ibp
->rvp
.port_cap_flags
& IB_PORT_SM
)
3752 return IB_MAD_RESULT_SUCCESS
;
3755 smp
->status
|= IB_SMP_UNSUP_METH_ATTR
;
3756 ret
= reply((struct ib_mad_hdr
*)smp
);
3762 static inline void set_aggr_error(struct opa_aggregate
*ag
)
3764 ag
->err_reqlength
|= cpu_to_be16(0x8000);
3767 static int subn_get_opa_aggregate(struct opa_smp
*smp
,
3768 struct ib_device
*ibdev
, u8 port
,
3772 u32 num_attr
= be32_to_cpu(smp
->attr_mod
) & 0x000000ff;
3773 u8
*next_smp
= opa_get_smp_data(smp
);
3775 if (num_attr
< 1 || num_attr
> 117) {
3776 smp
->status
|= IB_SMP_INVALID_FIELD
;
3777 return reply((struct ib_mad_hdr
*)smp
);
3780 for (i
= 0; i
< num_attr
; i
++) {
3781 struct opa_aggregate
*agg
;
3782 size_t agg_data_len
;
3786 agg
= (struct opa_aggregate
*)next_smp
;
3787 agg_data_len
= (be16_to_cpu(agg
->err_reqlength
) & 0x007f) * 8;
3788 agg_size
= sizeof(*agg
) + agg_data_len
;
3789 am
= be32_to_cpu(agg
->attr_mod
);
3791 *resp_len
+= agg_size
;
3793 if (next_smp
+ agg_size
> ((u8
*)smp
) + sizeof(*smp
)) {
3794 smp
->status
|= IB_SMP_INVALID_FIELD
;
3795 return reply((struct ib_mad_hdr
*)smp
);
3798 /* zero the payload for this segment */
3799 memset(next_smp
+ sizeof(*agg
), 0, agg_data_len
);
3801 (void)subn_get_opa_sma(agg
->attr_id
, smp
, am
, agg
->data
,
3803 if (smp
->status
& ~IB_SMP_DIRECTION
) {
3804 set_aggr_error(agg
);
3805 return reply((struct ib_mad_hdr
*)smp
);
3807 next_smp
+= agg_size
;
3810 return reply((struct ib_mad_hdr
*)smp
);
3813 static int subn_set_opa_aggregate(struct opa_smp
*smp
,
3814 struct ib_device
*ibdev
, u8 port
,
3818 u32 num_attr
= be32_to_cpu(smp
->attr_mod
) & 0x000000ff;
3819 u8
*next_smp
= opa_get_smp_data(smp
);
3821 if (num_attr
< 1 || num_attr
> 117) {
3822 smp
->status
|= IB_SMP_INVALID_FIELD
;
3823 return reply((struct ib_mad_hdr
*)smp
);
3826 for (i
= 0; i
< num_attr
; i
++) {
3827 struct opa_aggregate
*agg
;
3828 size_t agg_data_len
;
3832 agg
= (struct opa_aggregate
*)next_smp
;
3833 agg_data_len
= (be16_to_cpu(agg
->err_reqlength
) & 0x007f) * 8;
3834 agg_size
= sizeof(*agg
) + agg_data_len
;
3835 am
= be32_to_cpu(agg
->attr_mod
);
3837 *resp_len
+= agg_size
;
3839 if (next_smp
+ agg_size
> ((u8
*)smp
) + sizeof(*smp
)) {
3840 smp
->status
|= IB_SMP_INVALID_FIELD
;
3841 return reply((struct ib_mad_hdr
*)smp
);
3844 (void)subn_set_opa_sma(agg
->attr_id
, smp
, am
, agg
->data
,
3846 if (smp
->status
& ~IB_SMP_DIRECTION
) {
3847 set_aggr_error(agg
);
3848 return reply((struct ib_mad_hdr
*)smp
);
3850 next_smp
+= agg_size
;
3853 return reply((struct ib_mad_hdr
*)smp
);
3857 * OPAv1 specifies that, on the transition to link up, these counters
3861 * LocalLinkIntegrityErrors
3862 * ExcessiveBufferOverruns [*]
3864 * [*] Error info associated with these counters is retained, but the
3865 * error info status is reset to 0.
3867 void clear_linkup_counters(struct hfi1_devdata
*dd
)
3870 write_dev_cntr(dd
, C_DC_RCV_ERR
, CNTR_INVALID_VL
, 0);
3871 dd
->err_info_rcvport
.status_and_code
&= ~OPA_EI_STATUS_SMASK
;
3872 /* LinkErrorRecovery */
3873 write_dev_cntr(dd
, C_DC_SEQ_CRC_CNT
, CNTR_INVALID_VL
, 0);
3874 write_dev_cntr(dd
, C_DC_REINIT_FROM_PEER_CNT
, CNTR_INVALID_VL
, 0);
3875 /* LocalLinkIntegrityErrors */
3876 write_dev_cntr(dd
, C_DC_TX_REPLAY
, CNTR_INVALID_VL
, 0);
3877 write_dev_cntr(dd
, C_DC_RX_REPLAY
, CNTR_INVALID_VL
, 0);
3878 /* ExcessiveBufferOverruns */
3879 write_dev_cntr(dd
, C_RCV_OVF
, CNTR_INVALID_VL
, 0);
3880 dd
->rcv_ovfl_cnt
= 0;
3881 dd
->err_info_xmit_constraint
.status
&= ~OPA_EI_STATUS_SMASK
;
3885 * is_local_mad() returns 1 if 'mad' is sent from, and destined to the
3886 * local node, 0 otherwise.
3888 static int is_local_mad(struct hfi1_ibport
*ibp
, const struct opa_mad
*mad
,
3889 const struct ib_wc
*in_wc
)
3891 struct hfi1_pportdata
*ppd
= ppd_from_ibp(ibp
);
3892 const struct opa_smp
*smp
= (const struct opa_smp
*)mad
;
3894 if (smp
->mgmt_class
== IB_MGMT_CLASS_SUBN_DIRECTED_ROUTE
) {
3895 return (smp
->hop_cnt
== 0 &&
3896 smp
->route
.dr
.dr_slid
== OPA_LID_PERMISSIVE
&&
3897 smp
->route
.dr
.dr_dlid
== OPA_LID_PERMISSIVE
);
3900 return (in_wc
->slid
== ppd
->lid
);
3904 * opa_local_smp_check() should only be called on MADs for which
3905 * is_local_mad() returns true. It applies the SMP checks that are
3906 * specific to SMPs which are sent from, and destined to this node.
3907 * opa_local_smp_check() returns 0 if the SMP passes its checks, 1
3910 * SMPs which arrive from other nodes are instead checked by
3913 static int opa_local_smp_check(struct hfi1_ibport
*ibp
,
3914 const struct ib_wc
*in_wc
)
3916 struct hfi1_pportdata
*ppd
= ppd_from_ibp(ibp
);
3917 u16 slid
= in_wc
->slid
;
3920 if (in_wc
->pkey_index
>= ARRAY_SIZE(ppd
->pkeys
))
3923 pkey
= ppd
->pkeys
[in_wc
->pkey_index
];
3925 * We need to do the "node-local" checks specified in OPAv1,
3926 * rev 0.90, section 9.10.26, which are:
3927 * - pkey is 0x7fff, or 0xffff
3928 * - Source QPN == 0 || Destination QPN == 0
3929 * - the MAD header's management class is either
3930 * IB_MGMT_CLASS_SUBN_DIRECTED_ROUTE or
3931 * IB_MGMT_CLASS_SUBN_LID_ROUTED
3934 * However, we know (and so don't need to check again) that,
3935 * for local SMPs, the MAD stack passes MADs with:
3937 * - MAD mgmt_class is IB_MGMT_CLASS_SUBN_DIRECTED_ROUTE
3938 * - SLID is either: OPA_LID_PERMISSIVE (0xFFFFFFFF), or
3939 * our own port's lid
3942 if (pkey
== LIM_MGMT_P_KEY
|| pkey
== FULL_MGMT_P_KEY
)
3944 ingress_pkey_table_fail(ppd
, pkey
, slid
);
3948 static int process_subn_opa(struct ib_device
*ibdev
, int mad_flags
,
3949 u8 port
, const struct opa_mad
*in_mad
,
3950 struct opa_mad
*out_mad
,
3953 struct opa_smp
*smp
= (struct opa_smp
*)out_mad
;
3954 struct hfi1_ibport
*ibp
= to_iport(ibdev
, port
);
3961 data
= opa_get_smp_data(smp
);
3963 am
= be32_to_cpu(smp
->attr_mod
);
3964 attr_id
= smp
->attr_id
;
3965 if (smp
->class_version
!= OPA_SMI_CLASS_VERSION
) {
3966 smp
->status
|= IB_SMP_UNSUP_VERSION
;
3967 ret
= reply((struct ib_mad_hdr
*)smp
);
3970 ret
= check_mkey(ibp
, (struct ib_mad_hdr
*)smp
, mad_flags
, smp
->mkey
,
3971 smp
->route
.dr
.dr_slid
, smp
->route
.dr
.return_path
,
3974 u32 port_num
= be32_to_cpu(smp
->attr_mod
);
3977 * If this is a get/set portinfo, we already check the
3978 * M_Key if the MAD is for another port and the M_Key
3979 * is OK on the receiving port. This check is needed
3980 * to increment the error counters when the M_Key
3981 * fails to match on *both* ports.
3983 if (attr_id
== IB_SMP_ATTR_PORT_INFO
&&
3984 (smp
->method
== IB_MGMT_METHOD_GET
||
3985 smp
->method
== IB_MGMT_METHOD_SET
) &&
3986 port_num
&& port_num
<= ibdev
->phys_port_cnt
&&
3988 (void)check_mkey(to_iport(ibdev
, port_num
),
3989 (struct ib_mad_hdr
*)smp
, 0,
3990 smp
->mkey
, smp
->route
.dr
.dr_slid
,
3991 smp
->route
.dr
.return_path
,
3993 ret
= IB_MAD_RESULT_FAILURE
;
3997 *resp_len
= opa_get_smp_header_size(smp
);
3999 switch (smp
->method
) {
4000 case IB_MGMT_METHOD_GET
:
4003 clear_opa_smp_data(smp
);
4004 ret
= subn_get_opa_sma(attr_id
, smp
, am
, data
,
4005 ibdev
, port
, resp_len
);
4007 case OPA_ATTRIB_ID_AGGREGATE
:
4008 ret
= subn_get_opa_aggregate(smp
, ibdev
, port
,
4013 case IB_MGMT_METHOD_SET
:
4016 ret
= subn_set_opa_sma(attr_id
, smp
, am
, data
,
4017 ibdev
, port
, resp_len
);
4019 case OPA_ATTRIB_ID_AGGREGATE
:
4020 ret
= subn_set_opa_aggregate(smp
, ibdev
, port
,
4025 case IB_MGMT_METHOD_TRAP
:
4026 case IB_MGMT_METHOD_REPORT
:
4027 case IB_MGMT_METHOD_REPORT_RESP
:
4028 case IB_MGMT_METHOD_GET_RESP
:
4030 * The ib_mad module will call us to process responses
4031 * before checking for other consumers.
4032 * Just tell the caller to process it normally.
4034 ret
= IB_MAD_RESULT_SUCCESS
;
4037 smp
->status
|= IB_SMP_UNSUP_METHOD
;
4038 ret
= reply((struct ib_mad_hdr
*)smp
);
4045 static int process_subn(struct ib_device
*ibdev
, int mad_flags
,
4046 u8 port
, const struct ib_mad
*in_mad
,
4047 struct ib_mad
*out_mad
)
4049 struct ib_smp
*smp
= (struct ib_smp
*)out_mad
;
4050 struct hfi1_ibport
*ibp
= to_iport(ibdev
, port
);
4054 if (smp
->class_version
!= 1) {
4055 smp
->status
|= IB_SMP_UNSUP_VERSION
;
4056 ret
= reply((struct ib_mad_hdr
*)smp
);
4060 ret
= check_mkey(ibp
, (struct ib_mad_hdr
*)smp
, mad_flags
,
4061 smp
->mkey
, (__force __be32
)smp
->dr_slid
,
4062 smp
->return_path
, smp
->hop_cnt
);
4064 u32 port_num
= be32_to_cpu(smp
->attr_mod
);
4067 * If this is a get/set portinfo, we already check the
4068 * M_Key if the MAD is for another port and the M_Key
4069 * is OK on the receiving port. This check is needed
4070 * to increment the error counters when the M_Key
4071 * fails to match on *both* ports.
4073 if (in_mad
->mad_hdr
.attr_id
== IB_SMP_ATTR_PORT_INFO
&&
4074 (smp
->method
== IB_MGMT_METHOD_GET
||
4075 smp
->method
== IB_MGMT_METHOD_SET
) &&
4076 port_num
&& port_num
<= ibdev
->phys_port_cnt
&&
4078 (void)check_mkey(to_iport(ibdev
, port_num
),
4079 (struct ib_mad_hdr
*)smp
, 0,
4081 (__force __be32
)smp
->dr_slid
,
4082 smp
->return_path
, smp
->hop_cnt
);
4083 ret
= IB_MAD_RESULT_FAILURE
;
4087 switch (smp
->method
) {
4088 case IB_MGMT_METHOD_GET
:
4089 switch (smp
->attr_id
) {
4090 case IB_SMP_ATTR_NODE_INFO
:
4091 ret
= subn_get_nodeinfo(smp
, ibdev
, port
);
4094 smp
->status
|= IB_SMP_UNSUP_METH_ATTR
;
4095 ret
= reply((struct ib_mad_hdr
*)smp
);
4104 static int process_perf(struct ib_device
*ibdev
, u8 port
,
4105 const struct ib_mad
*in_mad
,
4106 struct ib_mad
*out_mad
)
4108 struct ib_pma_mad
*pmp
= (struct ib_pma_mad
*)out_mad
;
4109 struct ib_class_port_info
*cpi
= (struct ib_class_port_info
*)
4111 int ret
= IB_MAD_RESULT_FAILURE
;
4114 if (pmp
->mad_hdr
.class_version
!= 1) {
4115 pmp
->mad_hdr
.status
|= IB_SMP_UNSUP_VERSION
;
4116 ret
= reply((struct ib_mad_hdr
*)pmp
);
4120 switch (pmp
->mad_hdr
.method
) {
4121 case IB_MGMT_METHOD_GET
:
4122 switch (pmp
->mad_hdr
.attr_id
) {
4123 case IB_PMA_PORT_COUNTERS
:
4124 ret
= pma_get_ib_portcounters(pmp
, ibdev
, port
);
4126 case IB_PMA_PORT_COUNTERS_EXT
:
4127 ret
= pma_get_ib_portcounters_ext(pmp
, ibdev
, port
);
4129 case IB_PMA_CLASS_PORT_INFO
:
4130 cpi
->capability_mask
= IB_PMA_CLASS_CAP_EXT_WIDTH
;
4131 ret
= reply((struct ib_mad_hdr
*)pmp
);
4134 pmp
->mad_hdr
.status
|= IB_SMP_UNSUP_METH_ATTR
;
4135 ret
= reply((struct ib_mad_hdr
*)pmp
);
4140 case IB_MGMT_METHOD_SET
:
4141 if (pmp
->mad_hdr
.attr_id
) {
4142 pmp
->mad_hdr
.status
|= IB_SMP_UNSUP_METH_ATTR
;
4143 ret
= reply((struct ib_mad_hdr
*)pmp
);
4147 case IB_MGMT_METHOD_TRAP
:
4148 case IB_MGMT_METHOD_GET_RESP
:
4150 * The ib_mad module will call us to process responses
4151 * before checking for other consumers.
4152 * Just tell the caller to process it normally.
4154 ret
= IB_MAD_RESULT_SUCCESS
;
4158 pmp
->mad_hdr
.status
|= IB_SMP_UNSUP_METHOD
;
4159 ret
= reply((struct ib_mad_hdr
*)pmp
);
4166 static int process_perf_opa(struct ib_device
*ibdev
, u8 port
,
4167 const struct opa_mad
*in_mad
,
4168 struct opa_mad
*out_mad
, u32
*resp_len
)
4170 struct opa_pma_mad
*pmp
= (struct opa_pma_mad
*)out_mad
;
4175 if (pmp
->mad_hdr
.class_version
!= OPA_SMI_CLASS_VERSION
) {
4176 pmp
->mad_hdr
.status
|= IB_SMP_UNSUP_VERSION
;
4177 return reply((struct ib_mad_hdr
*)pmp
);
4180 *resp_len
= sizeof(pmp
->mad_hdr
);
4182 switch (pmp
->mad_hdr
.method
) {
4183 case IB_MGMT_METHOD_GET
:
4184 switch (pmp
->mad_hdr
.attr_id
) {
4185 case IB_PMA_CLASS_PORT_INFO
:
4186 ret
= pma_get_opa_classportinfo(pmp
, ibdev
, resp_len
);
4188 case OPA_PM_ATTRIB_ID_PORT_STATUS
:
4189 ret
= pma_get_opa_portstatus(pmp
, ibdev
, port
,
4192 case OPA_PM_ATTRIB_ID_DATA_PORT_COUNTERS
:
4193 ret
= pma_get_opa_datacounters(pmp
, ibdev
, port
,
4196 case OPA_PM_ATTRIB_ID_ERROR_PORT_COUNTERS
:
4197 ret
= pma_get_opa_porterrors(pmp
, ibdev
, port
,
4200 case OPA_PM_ATTRIB_ID_ERROR_INFO
:
4201 ret
= pma_get_opa_errorinfo(pmp
, ibdev
, port
,
4205 pmp
->mad_hdr
.status
|= IB_SMP_UNSUP_METH_ATTR
;
4206 ret
= reply((struct ib_mad_hdr
*)pmp
);
4211 case IB_MGMT_METHOD_SET
:
4212 switch (pmp
->mad_hdr
.attr_id
) {
4213 case OPA_PM_ATTRIB_ID_CLEAR_PORT_STATUS
:
4214 ret
= pma_set_opa_portstatus(pmp
, ibdev
, port
,
4217 case OPA_PM_ATTRIB_ID_ERROR_INFO
:
4218 ret
= pma_set_opa_errorinfo(pmp
, ibdev
, port
,
4222 pmp
->mad_hdr
.status
|= IB_SMP_UNSUP_METH_ATTR
;
4223 ret
= reply((struct ib_mad_hdr
*)pmp
);
4228 case IB_MGMT_METHOD_TRAP
:
4229 case IB_MGMT_METHOD_GET_RESP
:
4231 * The ib_mad module will call us to process responses
4232 * before checking for other consumers.
4233 * Just tell the caller to process it normally.
4235 ret
= IB_MAD_RESULT_SUCCESS
;
4239 pmp
->mad_hdr
.status
|= IB_SMP_UNSUP_METHOD
;
4240 ret
= reply((struct ib_mad_hdr
*)pmp
);
4247 static int hfi1_process_opa_mad(struct ib_device
*ibdev
, int mad_flags
,
4248 u8 port
, const struct ib_wc
*in_wc
,
4249 const struct ib_grh
*in_grh
,
4250 const struct opa_mad
*in_mad
,
4251 struct opa_mad
*out_mad
, size_t *out_mad_size
,
4252 u16
*out_mad_pkey_index
)
4257 struct hfi1_ibport
*ibp
= to_iport(ibdev
, port
);
4259 pkey_idx
= hfi1_lookup_pkey_idx(ibp
, LIM_MGMT_P_KEY
);
4261 pr_warn("failed to find limited mgmt pkey, defaulting 0x%x\n",
4262 hfi1_get_pkey(ibp
, 1));
4265 *out_mad_pkey_index
= (u16
)pkey_idx
;
4267 switch (in_mad
->mad_hdr
.mgmt_class
) {
4268 case IB_MGMT_CLASS_SUBN_DIRECTED_ROUTE
:
4269 case IB_MGMT_CLASS_SUBN_LID_ROUTED
:
4270 if (is_local_mad(ibp
, in_mad
, in_wc
)) {
4271 ret
= opa_local_smp_check(ibp
, in_wc
);
4273 return IB_MAD_RESULT_FAILURE
;
4275 ret
= process_subn_opa(ibdev
, mad_flags
, port
, in_mad
,
4276 out_mad
, &resp_len
);
4278 case IB_MGMT_CLASS_PERF_MGMT
:
4279 ret
= process_perf_opa(ibdev
, port
, in_mad
, out_mad
,
4284 ret
= IB_MAD_RESULT_SUCCESS
;
4288 if (ret
& IB_MAD_RESULT_REPLY
)
4289 *out_mad_size
= round_up(resp_len
, 8);
4290 else if (ret
& IB_MAD_RESULT_SUCCESS
)
4291 *out_mad_size
= in_wc
->byte_len
- sizeof(struct ib_grh
);
4296 static int hfi1_process_ib_mad(struct ib_device
*ibdev
, int mad_flags
, u8 port
,
4297 const struct ib_wc
*in_wc
,
4298 const struct ib_grh
*in_grh
,
4299 const struct ib_mad
*in_mad
,
4300 struct ib_mad
*out_mad
)
4304 switch (in_mad
->mad_hdr
.mgmt_class
) {
4305 case IB_MGMT_CLASS_SUBN_DIRECTED_ROUTE
:
4306 case IB_MGMT_CLASS_SUBN_LID_ROUTED
:
4307 ret
= process_subn(ibdev
, mad_flags
, port
, in_mad
, out_mad
);
4309 case IB_MGMT_CLASS_PERF_MGMT
:
4310 ret
= process_perf(ibdev
, port
, in_mad
, out_mad
);
4313 ret
= IB_MAD_RESULT_SUCCESS
;
4321 * hfi1_process_mad - process an incoming MAD packet
4322 * @ibdev: the infiniband device this packet came in on
4323 * @mad_flags: MAD flags
4324 * @port: the port number this packet came in on
4325 * @in_wc: the work completion entry for this packet
4326 * @in_grh: the global route header for this packet
4327 * @in_mad: the incoming MAD
4328 * @out_mad: any outgoing MAD reply
4330 * Returns IB_MAD_RESULT_SUCCESS if this is a MAD that we are not
4331 * interested in processing.
4333 * Note that the verbs framework has already done the MAD sanity checks,
4334 * and hop count/pointer updating for IB_MGMT_CLASS_SUBN_DIRECTED_ROUTE
4337 * This is called by the ib_mad module.
4339 int hfi1_process_mad(struct ib_device
*ibdev
, int mad_flags
, u8 port
,
4340 const struct ib_wc
*in_wc
, const struct ib_grh
*in_grh
,
4341 const struct ib_mad_hdr
*in_mad
, size_t in_mad_size
,
4342 struct ib_mad_hdr
*out_mad
, size_t *out_mad_size
,
4343 u16
*out_mad_pkey_index
)
4345 switch (in_mad
->base_version
) {
4346 case OPA_MGMT_BASE_VERSION
:
4347 if (unlikely(in_mad_size
!= sizeof(struct opa_mad
))) {
4348 dev_err(ibdev
->dma_device
, "invalid in_mad_size\n");
4349 return IB_MAD_RESULT_FAILURE
;
4351 return hfi1_process_opa_mad(ibdev
, mad_flags
, port
,
4353 (struct opa_mad
*)in_mad
,
4354 (struct opa_mad
*)out_mad
,
4356 out_mad_pkey_index
);
4357 case IB_MGMT_BASE_VERSION
:
4358 return hfi1_process_ib_mad(ibdev
, mad_flags
, port
,
4360 (const struct ib_mad
*)in_mad
,
4361 (struct ib_mad
*)out_mad
);
4366 return IB_MAD_RESULT_FAILURE
;