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48 #include <linux/net.h>
49 #define OPA_NUM_PKEY_BLOCKS_PER_SMP (OPA_SMP_DR_DATA_SIZE \
50 / (OPA_PARTITION_TABLE_BLK_SIZE * sizeof(u16)))
57 /* the reset value from the FM is supposed to be 0xffff, handle both */
58 #define OPA_LINK_WIDTH_RESET_OLD 0x0fff
59 #define OPA_LINK_WIDTH_RESET 0xffff
61 static int reply(struct ib_mad_hdr *smp)
64 * The verbs framework will handle the directed/LID route
67 smp->method = IB_MGMT_METHOD_GET_RESP;
68 if (smp->mgmt_class == IB_MGMT_CLASS_SUBN_DIRECTED_ROUTE)
69 smp->status |= IB_SMP_DIRECTION;
70 return IB_MAD_RESULT_SUCCESS | IB_MAD_RESULT_REPLY;
73 static inline void clear_opa_smp_data(struct opa_smp *smp)
75 void *data = opa_get_smp_data(smp);
76 size_t size = opa_get_smp_data_size(smp);
78 memset(data, 0, size);
81 static void send_trap(struct hfi1_ibport *ibp, void *data, unsigned len)
83 struct ib_mad_send_buf *send_buf;
84 struct ib_mad_agent *agent;
88 unsigned long timeout;
90 u32 qpn = ppd_from_ibp(ibp)->sm_trap_qp;
92 agent = ibp->rvp.send_agent;
97 if (ppd_from_ibp(ibp)->lstate != IB_PORT_ACTIVE)
101 if (ibp->rvp.trap_timeout && time_before(jiffies,
102 ibp->rvp.trap_timeout))
105 pkey_idx = hfi1_lookup_pkey_idx(ibp, LIM_MGMT_P_KEY);
107 pr_warn("%s: failed to find limited mgmt pkey, defaulting 0x%x\n",
108 __func__, hfi1_get_pkey(ibp, 1));
112 send_buf = ib_create_send_mad(agent, qpn, pkey_idx, 0,
113 IB_MGMT_MAD_HDR, IB_MGMT_MAD_DATA,
114 GFP_ATOMIC, IB_MGMT_BASE_VERSION);
115 if (IS_ERR(send_buf))
119 smp->base_version = OPA_MGMT_BASE_VERSION;
120 smp->mgmt_class = IB_MGMT_CLASS_SUBN_LID_ROUTED;
121 smp->class_version = OPA_SMI_CLASS_VERSION;
122 smp->method = IB_MGMT_METHOD_TRAP;
124 smp->tid = cpu_to_be64(ibp->rvp.tid);
125 smp->attr_id = IB_SMP_ATTR_NOTICE;
126 /* o14-1: smp->mkey = 0; */
127 memcpy(smp->route.lid.data, data, len);
129 spin_lock_irqsave(&ibp->rvp.lock, flags);
130 if (!ibp->rvp.sm_ah) {
131 if (ibp->rvp.sm_lid != be16_to_cpu(IB_LID_PERMISSIVE)) {
134 ah = hfi1_create_qp0_ah(ibp, ibp->rvp.sm_lid);
139 ibp->rvp.sm_ah = ibah_to_rvtah(ah);
146 send_buf->ah = &ibp->rvp.sm_ah->ibah;
149 spin_unlock_irqrestore(&ibp->rvp.lock, flags);
152 ret = ib_post_send_mad(send_buf, NULL);
155 timeout = (4096 * (1UL << ibp->rvp.subnet_timeout)) / 1000;
156 ibp->rvp.trap_timeout = jiffies + usecs_to_jiffies(timeout);
158 ib_free_send_mad(send_buf);
159 ibp->rvp.trap_timeout = 0;
164 * Send a bad [PQ]_Key trap (ch. 14.3.8).
166 void hfi1_bad_pqkey(struct hfi1_ibport *ibp, __be16 trap_num, u32 key, u32 sl,
167 u32 qp1, u32 qp2, u16 lid1, u16 lid2)
169 struct opa_mad_notice_attr data;
170 u32 lid = ppd_from_ibp(ibp)->lid;
174 memset(&data, 0, sizeof(data));
176 if (trap_num == OPA_TRAP_BAD_P_KEY)
177 ibp->rvp.pkey_violations++;
179 ibp->rvp.qkey_violations++;
180 ibp->rvp.n_pkt_drops++;
182 /* Send violation trap */
183 data.generic_type = IB_NOTICE_TYPE_SECURITY;
184 data.prod_type_lsb = IB_NOTICE_PROD_CA;
185 data.trap_num = trap_num;
186 data.issuer_lid = cpu_to_be32(lid);
187 data.ntc_257_258.lid1 = cpu_to_be32(_lid1);
188 data.ntc_257_258.lid2 = cpu_to_be32(_lid2);
189 data.ntc_257_258.key = cpu_to_be32(key);
190 data.ntc_257_258.sl = sl << 3;
191 data.ntc_257_258.qp1 = cpu_to_be32(qp1);
192 data.ntc_257_258.qp2 = cpu_to_be32(qp2);
194 send_trap(ibp, &data, sizeof(data));
198 * Send a bad M_Key trap (ch. 14.3.9).
200 static void bad_mkey(struct hfi1_ibport *ibp, struct ib_mad_hdr *mad,
201 __be64 mkey, __be32 dr_slid, u8 return_path[], u8 hop_cnt)
203 struct opa_mad_notice_attr data;
204 u32 lid = ppd_from_ibp(ibp)->lid;
206 memset(&data, 0, sizeof(data));
207 /* Send violation trap */
208 data.generic_type = IB_NOTICE_TYPE_SECURITY;
209 data.prod_type_lsb = IB_NOTICE_PROD_CA;
210 data.trap_num = OPA_TRAP_BAD_M_KEY;
211 data.issuer_lid = cpu_to_be32(lid);
212 data.ntc_256.lid = data.issuer_lid;
213 data.ntc_256.method = mad->method;
214 data.ntc_256.attr_id = mad->attr_id;
215 data.ntc_256.attr_mod = mad->attr_mod;
216 data.ntc_256.mkey = mkey;
217 if (mad->mgmt_class == IB_MGMT_CLASS_SUBN_DIRECTED_ROUTE) {
218 data.ntc_256.dr_slid = dr_slid;
219 data.ntc_256.dr_trunc_hop = IB_NOTICE_TRAP_DR_NOTICE;
220 if (hop_cnt > ARRAY_SIZE(data.ntc_256.dr_rtn_path)) {
221 data.ntc_256.dr_trunc_hop |=
222 IB_NOTICE_TRAP_DR_TRUNC;
223 hop_cnt = ARRAY_SIZE(data.ntc_256.dr_rtn_path);
225 data.ntc_256.dr_trunc_hop |= hop_cnt;
226 memcpy(data.ntc_256.dr_rtn_path, return_path,
230 send_trap(ibp, &data, sizeof(data));
234 * Send a Port Capability Mask Changed trap (ch. 14.3.11).
236 void hfi1_cap_mask_chg(struct rvt_dev_info *rdi, u8 port_num)
238 struct opa_mad_notice_attr data;
239 struct hfi1_ibdev *verbs_dev = dev_from_rdi(rdi);
240 struct hfi1_devdata *dd = dd_from_dev(verbs_dev);
241 struct hfi1_ibport *ibp = &dd->pport[port_num - 1].ibport_data;
242 u32 lid = ppd_from_ibp(ibp)->lid;
244 memset(&data, 0, sizeof(data));
246 data.generic_type = IB_NOTICE_TYPE_INFO;
247 data.prod_type_lsb = IB_NOTICE_PROD_CA;
248 data.trap_num = OPA_TRAP_CHANGE_CAPABILITY;
249 data.issuer_lid = cpu_to_be32(lid);
250 data.ntc_144.lid = data.issuer_lid;
251 data.ntc_144.new_cap_mask = cpu_to_be32(ibp->rvp.port_cap_flags);
253 send_trap(ibp, &data, sizeof(data));
257 * Send a System Image GUID Changed trap (ch. 14.3.12).
259 void hfi1_sys_guid_chg(struct hfi1_ibport *ibp)
261 struct opa_mad_notice_attr data;
262 u32 lid = ppd_from_ibp(ibp)->lid;
264 memset(&data, 0, sizeof(data));
266 data.generic_type = IB_NOTICE_TYPE_INFO;
267 data.prod_type_lsb = IB_NOTICE_PROD_CA;
268 data.trap_num = OPA_TRAP_CHANGE_SYSGUID;
269 data.issuer_lid = cpu_to_be32(lid);
270 data.ntc_145.new_sys_guid = ib_hfi1_sys_image_guid;
271 data.ntc_145.lid = data.issuer_lid;
273 send_trap(ibp, &data, sizeof(data));
277 * Send a Node Description Changed trap (ch. 14.3.13).
279 void hfi1_node_desc_chg(struct hfi1_ibport *ibp)
281 struct opa_mad_notice_attr data;
282 u32 lid = ppd_from_ibp(ibp)->lid;
284 memset(&data, 0, sizeof(data));
286 data.generic_type = IB_NOTICE_TYPE_INFO;
287 data.prod_type_lsb = IB_NOTICE_PROD_CA;
288 data.trap_num = OPA_TRAP_CHANGE_CAPABILITY;
289 data.issuer_lid = cpu_to_be32(lid);
290 data.ntc_144.lid = data.issuer_lid;
291 data.ntc_144.change_flags =
292 cpu_to_be16(OPA_NOTICE_TRAP_NODE_DESC_CHG);
294 send_trap(ibp, &data, sizeof(data));
297 static int __subn_get_opa_nodedesc(struct opa_smp *smp, u32 am,
298 u8 *data, struct ib_device *ibdev,
299 u8 port, u32 *resp_len)
301 struct opa_node_description *nd;
304 smp->status |= IB_SMP_INVALID_FIELD;
305 return reply((struct ib_mad_hdr *)smp);
308 nd = (struct opa_node_description *)data;
310 memcpy(nd->data, ibdev->node_desc, sizeof(nd->data));
313 *resp_len += sizeof(*nd);
315 return reply((struct ib_mad_hdr *)smp);
318 static int __subn_get_opa_nodeinfo(struct opa_smp *smp, u32 am, u8 *data,
319 struct ib_device *ibdev, u8 port,
322 struct opa_node_info *ni;
323 struct hfi1_devdata *dd = dd_from_ibdev(ibdev);
324 unsigned pidx = port - 1; /* IB number port from 1, hw from 0 */
326 ni = (struct opa_node_info *)data;
328 /* GUID 0 is illegal */
329 if (am || pidx >= dd->num_pports || dd->pport[pidx].guid == 0) {
330 smp->status |= IB_SMP_INVALID_FIELD;
331 return reply((struct ib_mad_hdr *)smp);
334 ni->port_guid = cpu_to_be64(dd->pport[pidx].guid);
335 ni->base_version = OPA_MGMT_BASE_VERSION;
336 ni->class_version = OPA_SMI_CLASS_VERSION;
337 ni->node_type = 1; /* channel adapter */
338 ni->num_ports = ibdev->phys_port_cnt;
339 /* This is already in network order */
340 ni->system_image_guid = ib_hfi1_sys_image_guid;
341 /* Use first-port GUID as node */
342 ni->node_guid = cpu_to_be64(dd->pport->guid);
343 ni->partition_cap = cpu_to_be16(hfi1_get_npkeys(dd));
344 ni->device_id = cpu_to_be16(dd->pcidev->device);
345 ni->revision = cpu_to_be32(dd->minrev);
346 ni->local_port_num = port;
347 ni->vendor_id[0] = dd->oui1;
348 ni->vendor_id[1] = dd->oui2;
349 ni->vendor_id[2] = dd->oui3;
352 *resp_len += sizeof(*ni);
354 return reply((struct ib_mad_hdr *)smp);
357 static int subn_get_nodeinfo(struct ib_smp *smp, struct ib_device *ibdev,
360 struct ib_node_info *nip = (struct ib_node_info *)&smp->data;
361 struct hfi1_devdata *dd = dd_from_ibdev(ibdev);
362 unsigned pidx = port - 1; /* IB number port from 1, hw from 0 */
364 /* GUID 0 is illegal */
365 if (smp->attr_mod || pidx >= dd->num_pports ||
366 dd->pport[pidx].guid == 0)
367 smp->status |= IB_SMP_INVALID_FIELD;
369 nip->port_guid = cpu_to_be64(dd->pport[pidx].guid);
371 nip->base_version = OPA_MGMT_BASE_VERSION;
372 nip->class_version = OPA_SMI_CLASS_VERSION;
373 nip->node_type = 1; /* channel adapter */
374 nip->num_ports = ibdev->phys_port_cnt;
375 /* This is already in network order */
376 nip->sys_guid = ib_hfi1_sys_image_guid;
377 /* Use first-port GUID as node */
378 nip->node_guid = cpu_to_be64(dd->pport->guid);
379 nip->partition_cap = cpu_to_be16(hfi1_get_npkeys(dd));
380 nip->device_id = cpu_to_be16(dd->pcidev->device);
381 nip->revision = cpu_to_be32(dd->minrev);
382 nip->local_port_num = port;
383 nip->vendor_id[0] = dd->oui1;
384 nip->vendor_id[1] = dd->oui2;
385 nip->vendor_id[2] = dd->oui3;
387 return reply((struct ib_mad_hdr *)smp);
390 static void set_link_width_enabled(struct hfi1_pportdata *ppd, u32 w)
392 (void)hfi1_set_ib_cfg(ppd, HFI1_IB_CFG_LWID_ENB, w);
395 static void set_link_width_downgrade_enabled(struct hfi1_pportdata *ppd, u32 w)
397 (void)hfi1_set_ib_cfg(ppd, HFI1_IB_CFG_LWID_DG_ENB, w);
400 static void set_link_speed_enabled(struct hfi1_pportdata *ppd, u32 s)
402 (void)hfi1_set_ib_cfg(ppd, HFI1_IB_CFG_SPD_ENB, s);
405 static int check_mkey(struct hfi1_ibport *ibp, struct ib_mad_hdr *mad,
406 int mad_flags, __be64 mkey, __be32 dr_slid,
407 u8 return_path[], u8 hop_cnt)
412 /* Is the mkey in the process of expiring? */
413 if (ibp->rvp.mkey_lease_timeout &&
414 time_after_eq(jiffies, ibp->rvp.mkey_lease_timeout)) {
415 /* Clear timeout and mkey protection field. */
416 ibp->rvp.mkey_lease_timeout = 0;
417 ibp->rvp.mkeyprot = 0;
420 if ((mad_flags & IB_MAD_IGNORE_MKEY) || ibp->rvp.mkey == 0 ||
421 ibp->rvp.mkey == mkey)
424 /* Unset lease timeout on any valid Get/Set/TrapRepress */
425 if (valid_mkey && ibp->rvp.mkey_lease_timeout &&
426 (mad->method == IB_MGMT_METHOD_GET ||
427 mad->method == IB_MGMT_METHOD_SET ||
428 mad->method == IB_MGMT_METHOD_TRAP_REPRESS))
429 ibp->rvp.mkey_lease_timeout = 0;
432 switch (mad->method) {
433 case IB_MGMT_METHOD_GET:
434 /* Bad mkey not a violation below level 2 */
435 if (ibp->rvp.mkeyprot < 2)
437 case IB_MGMT_METHOD_SET:
438 case IB_MGMT_METHOD_TRAP_REPRESS:
439 if (ibp->rvp.mkey_violations != 0xFFFF)
440 ++ibp->rvp.mkey_violations;
441 if (!ibp->rvp.mkey_lease_timeout &&
442 ibp->rvp.mkey_lease_period)
443 ibp->rvp.mkey_lease_timeout = jiffies +
444 ibp->rvp.mkey_lease_period * HZ;
445 /* Generate a trap notice. */
446 bad_mkey(ibp, mad, mkey, dr_slid, return_path,
456 * The SMA caches reads from LCB registers in case the LCB is unavailable.
457 * (The LCB is unavailable in certain link states, for example.)
464 static struct lcb_datum lcb_cache[] = {
465 { DC_LCB_STS_ROUND_TRIP_LTP_CNT, 0 },
468 static int write_lcb_cache(u32 off, u64 val)
472 for (i = 0; i < ARRAY_SIZE(lcb_cache); i++) {
473 if (lcb_cache[i].off == off) {
474 lcb_cache[i].val = val;
479 pr_warn("%s bad offset 0x%x\n", __func__, off);
483 static int read_lcb_cache(u32 off, u64 *val)
487 for (i = 0; i < ARRAY_SIZE(lcb_cache); i++) {
488 if (lcb_cache[i].off == off) {
489 *val = lcb_cache[i].val;
494 pr_warn("%s bad offset 0x%x\n", __func__, off);
498 void read_ltp_rtt(struct hfi1_devdata *dd)
502 if (read_lcb_csr(dd, DC_LCB_STS_ROUND_TRIP_LTP_CNT, ®))
503 dd_dev_err(dd, "%s: unable to read LTP RTT\n", __func__);
505 write_lcb_cache(DC_LCB_STS_ROUND_TRIP_LTP_CNT, reg);
508 static int __subn_get_opa_portinfo(struct opa_smp *smp, u32 am, u8 *data,
509 struct ib_device *ibdev, u8 port,
513 struct hfi1_devdata *dd;
514 struct hfi1_pportdata *ppd;
515 struct hfi1_ibport *ibp;
516 struct opa_port_info *pi = (struct opa_port_info *)data;
519 u8 is_beaconing_active;
521 u32 num_ports = OPA_AM_NPORT(am);
522 u32 start_of_sm_config = OPA_AM_START_SM_CFG(am);
526 if (num_ports != 1) {
527 smp->status |= IB_SMP_INVALID_FIELD;
528 return reply((struct ib_mad_hdr *)smp);
531 dd = dd_from_ibdev(ibdev);
532 /* IB numbers ports from 1, hw from 0 */
533 ppd = dd->pport + (port - 1);
534 ibp = &ppd->ibport_data;
536 if (ppd->vls_supported / 2 > ARRAY_SIZE(pi->neigh_mtu.pvlx_to_mtu) ||
537 ppd->vls_supported > ARRAY_SIZE(dd->vld)) {
538 smp->status |= IB_SMP_INVALID_FIELD;
539 return reply((struct ib_mad_hdr *)smp);
542 pi->lid = cpu_to_be32(ppd->lid);
544 /* Only return the mkey if the protection field allows it. */
545 if (!(smp->method == IB_MGMT_METHOD_GET &&
546 ibp->rvp.mkey != smp->mkey &&
547 ibp->rvp.mkeyprot == 1))
548 pi->mkey = ibp->rvp.mkey;
550 pi->subnet_prefix = ibp->rvp.gid_prefix;
551 pi->sm_lid = cpu_to_be32(ibp->rvp.sm_lid);
552 pi->ib_cap_mask = cpu_to_be32(ibp->rvp.port_cap_flags);
553 pi->mkey_lease_period = cpu_to_be16(ibp->rvp.mkey_lease_period);
554 pi->sm_trap_qp = cpu_to_be32(ppd->sm_trap_qp);
555 pi->sa_qp = cpu_to_be32(ppd->sa_qp);
557 pi->link_width.enabled = cpu_to_be16(ppd->link_width_enabled);
558 pi->link_width.supported = cpu_to_be16(ppd->link_width_supported);
559 pi->link_width.active = cpu_to_be16(ppd->link_width_active);
561 pi->link_width_downgrade.supported =
562 cpu_to_be16(ppd->link_width_downgrade_supported);
563 pi->link_width_downgrade.enabled =
564 cpu_to_be16(ppd->link_width_downgrade_enabled);
565 pi->link_width_downgrade.tx_active =
566 cpu_to_be16(ppd->link_width_downgrade_tx_active);
567 pi->link_width_downgrade.rx_active =
568 cpu_to_be16(ppd->link_width_downgrade_rx_active);
570 pi->link_speed.supported = cpu_to_be16(ppd->link_speed_supported);
571 pi->link_speed.active = cpu_to_be16(ppd->link_speed_active);
572 pi->link_speed.enabled = cpu_to_be16(ppd->link_speed_enabled);
574 state = driver_lstate(ppd);
576 if (start_of_sm_config && (state == IB_PORT_INIT))
577 ppd->is_sm_config_started = 1;
579 pi->port_phys_conf = (ppd->port_type & 0xf);
581 #if PI_LED_ENABLE_SUP
582 pi->port_states.ledenable_offlinereason = ppd->neighbor_normal << 4;
583 pi->port_states.ledenable_offlinereason |=
584 ppd->is_sm_config_started << 5;
586 * This pairs with the memory barrier in hfi1_start_led_override to
587 * ensure that we read the correct state of LED beaconing represented
588 * by led_override_timer_active
591 is_beaconing_active = !!atomic_read(&ppd->led_override_timer_active);
592 pi->port_states.ledenable_offlinereason |= is_beaconing_active << 6;
593 pi->port_states.ledenable_offlinereason |=
594 ppd->offline_disabled_reason;
596 pi->port_states.offline_reason = ppd->neighbor_normal << 4;
597 pi->port_states.offline_reason |= ppd->is_sm_config_started << 5;
598 pi->port_states.offline_reason |= ppd->offline_disabled_reason;
599 #endif /* PI_LED_ENABLE_SUP */
601 pi->port_states.portphysstate_portstate =
602 (hfi1_ibphys_portstate(ppd) << 4) | state;
604 pi->mkeyprotect_lmc = (ibp->rvp.mkeyprot << 6) | ppd->lmc;
606 memset(pi->neigh_mtu.pvlx_to_mtu, 0, sizeof(pi->neigh_mtu.pvlx_to_mtu));
607 for (i = 0; i < ppd->vls_supported; i++) {
608 mtu = mtu_to_enum(dd->vld[i].mtu, HFI1_DEFAULT_ACTIVE_MTU);
610 pi->neigh_mtu.pvlx_to_mtu[i / 2] |= (mtu << 4);
612 pi->neigh_mtu.pvlx_to_mtu[i / 2] |= mtu;
614 /* don't forget VL 15 */
615 mtu = mtu_to_enum(dd->vld[15].mtu, 2048);
616 pi->neigh_mtu.pvlx_to_mtu[15 / 2] |= mtu;
617 pi->smsl = ibp->rvp.sm_sl & OPA_PI_MASK_SMSL;
618 pi->operational_vls = hfi1_get_ib_cfg(ppd, HFI1_IB_CFG_OP_VLS);
619 pi->partenforce_filterraw |=
620 (ppd->linkinit_reason & OPA_PI_MASK_LINKINIT_REASON);
621 if (ppd->part_enforce & HFI1_PART_ENFORCE_IN)
622 pi->partenforce_filterraw |= OPA_PI_MASK_PARTITION_ENFORCE_IN;
623 if (ppd->part_enforce & HFI1_PART_ENFORCE_OUT)
624 pi->partenforce_filterraw |= OPA_PI_MASK_PARTITION_ENFORCE_OUT;
625 pi->mkey_violations = cpu_to_be16(ibp->rvp.mkey_violations);
626 /* P_KeyViolations are counted by hardware. */
627 pi->pkey_violations = cpu_to_be16(ibp->rvp.pkey_violations);
628 pi->qkey_violations = cpu_to_be16(ibp->rvp.qkey_violations);
630 pi->vl.cap = ppd->vls_supported;
631 pi->vl.high_limit = cpu_to_be16(ibp->rvp.vl_high_limit);
632 pi->vl.arb_high_cap = (u8)hfi1_get_ib_cfg(ppd, HFI1_IB_CFG_VL_HIGH_CAP);
633 pi->vl.arb_low_cap = (u8)hfi1_get_ib_cfg(ppd, HFI1_IB_CFG_VL_LOW_CAP);
635 pi->clientrereg_subnettimeout = ibp->rvp.subnet_timeout;
637 pi->port_link_mode = cpu_to_be16(OPA_PORT_LINK_MODE_OPA << 10 |
638 OPA_PORT_LINK_MODE_OPA << 5 |
639 OPA_PORT_LINK_MODE_OPA);
641 pi->port_ltp_crc_mode = cpu_to_be16(ppd->port_ltp_crc_mode);
643 pi->port_mode = cpu_to_be16(
644 ppd->is_active_optimize_enabled ?
645 OPA_PI_MASK_PORT_ACTIVE_OPTOMIZE : 0);
647 pi->port_packet_format.supported =
648 cpu_to_be16(OPA_PORT_PACKET_FORMAT_9B);
649 pi->port_packet_format.enabled =
650 cpu_to_be16(OPA_PORT_PACKET_FORMAT_9B);
652 /* flit_control.interleave is (OPA V1, version .76):
656 * 2 DistanceSupported
658 * 5 MaxNextLevelTxEnabled
659 * 5 MaxNestLevelRxSupported
661 * HFI supports only "distance mode 1" (see OPA V1, version .76,
662 * section 9.6.2), so set DistanceSupported, DistanceEnabled
665 pi->flit_control.interleave = cpu_to_be16(0x1400);
667 pi->link_down_reason = ppd->local_link_down_reason.sma;
668 pi->neigh_link_down_reason = ppd->neigh_link_down_reason.sma;
669 pi->port_error_action = cpu_to_be32(ppd->port_error_action);
670 pi->mtucap = mtu_to_enum(hfi1_max_mtu, IB_MTU_4096);
672 /* 32.768 usec. response time (guessing) */
673 pi->resptimevalue = 3;
675 pi->local_port_num = port;
677 /* buffer info for FM */
678 pi->overall_buffer_space = cpu_to_be16(dd->link_credits);
680 pi->neigh_node_guid = cpu_to_be64(ppd->neighbor_guid);
681 pi->neigh_port_num = ppd->neighbor_port_number;
682 pi->port_neigh_mode =
683 (ppd->neighbor_type & OPA_PI_MASK_NEIGH_NODE_TYPE) |
684 (ppd->mgmt_allowed ? OPA_PI_MASK_NEIGH_MGMT_ALLOWED : 0) |
685 (ppd->neighbor_fm_security ?
686 OPA_PI_MASK_NEIGH_FW_AUTH_BYPASS : 0);
688 /* HFIs shall always return VL15 credits to their
689 * neighbor in a timely manner, without any credit return pacing.
692 buffer_units = (dd->vau) & OPA_PI_MASK_BUF_UNIT_BUF_ALLOC;
693 buffer_units |= (dd->vcu << 3) & OPA_PI_MASK_BUF_UNIT_CREDIT_ACK;
694 buffer_units |= (credit_rate << 6) &
695 OPA_PI_MASK_BUF_UNIT_VL15_CREDIT_RATE;
696 buffer_units |= (dd->vl15_init << 11) & OPA_PI_MASK_BUF_UNIT_VL15_INIT;
697 pi->buffer_units = cpu_to_be32(buffer_units);
699 pi->opa_cap_mask = cpu_to_be16(OPA_CAP_MASK3_IsSharedSpaceSupported);
701 /* HFI supports a replay buffer 128 LTPs in size */
702 pi->replay_depth.buffer = 0x80;
703 /* read the cached value of DC_LCB_STS_ROUND_TRIP_LTP_CNT */
704 read_lcb_cache(DC_LCB_STS_ROUND_TRIP_LTP_CNT, &tmp);
707 * this counter is 16 bits wide, but the replay_depth.wire
708 * variable is only 8 bits
712 pi->replay_depth.wire = tmp;
715 *resp_len += sizeof(struct opa_port_info);
717 return reply((struct ib_mad_hdr *)smp);
721 * get_pkeys - return the PKEY table
722 * @dd: the hfi1_ib device
723 * @port: the IB port number
724 * @pkeys: the pkey table is placed here
726 static int get_pkeys(struct hfi1_devdata *dd, u8 port, u16 *pkeys)
728 struct hfi1_pportdata *ppd = dd->pport + port - 1;
730 memcpy(pkeys, ppd->pkeys, sizeof(ppd->pkeys));
735 static int __subn_get_opa_pkeytable(struct opa_smp *smp, u32 am, u8 *data,
736 struct ib_device *ibdev, u8 port,
739 struct hfi1_devdata *dd = dd_from_ibdev(ibdev);
740 u32 n_blocks_req = OPA_AM_NBLK(am);
741 u32 start_block = am & 0x7ff;
746 unsigned npkeys = hfi1_get_npkeys(dd);
749 if (n_blocks_req == 0) {
750 pr_warn("OPA Get PKey AM Invalid : P = %d; B = 0x%x; N = 0x%x\n",
751 port, start_block, n_blocks_req);
752 smp->status |= IB_SMP_INVALID_FIELD;
753 return reply((struct ib_mad_hdr *)smp);
756 n_blocks_avail = (u16)(npkeys / OPA_PARTITION_TABLE_BLK_SIZE) + 1;
758 size = (n_blocks_req * OPA_PARTITION_TABLE_BLK_SIZE) * sizeof(u16);
760 if (start_block + n_blocks_req > n_blocks_avail ||
761 n_blocks_req > OPA_NUM_PKEY_BLOCKS_PER_SMP) {
762 pr_warn("OPA Get PKey AM Invalid : s 0x%x; req 0x%x; "
763 "avail 0x%x; blk/smp 0x%lx\n",
764 start_block, n_blocks_req, n_blocks_avail,
765 OPA_NUM_PKEY_BLOCKS_PER_SMP);
766 smp->status |= IB_SMP_INVALID_FIELD;
767 return reply((struct ib_mad_hdr *)smp);
772 /* get the real pkeys if we are requesting the first block */
773 if (start_block == 0) {
774 get_pkeys(dd, port, q);
775 for (i = 0; i < npkeys; i++)
776 p[i] = cpu_to_be16(q[i]);
780 smp->status |= IB_SMP_INVALID_FIELD;
782 return reply((struct ib_mad_hdr *)smp);
786 HFI_TRANSITION_DISALLOWED,
787 HFI_TRANSITION_IGNORED,
788 HFI_TRANSITION_ALLOWED,
789 HFI_TRANSITION_UNDEFINED,
793 * Use shortened names to improve readability of
794 * {logical,physical}_state_transitions
797 __D = HFI_TRANSITION_DISALLOWED,
798 __I = HFI_TRANSITION_IGNORED,
799 __A = HFI_TRANSITION_ALLOWED,
800 __U = HFI_TRANSITION_UNDEFINED,
804 * IB_PORTPHYSSTATE_POLLING (2) through OPA_PORTPHYSSTATE_MAX (11) are
805 * represented in physical_state_transitions.
807 #define __N_PHYSTATES (OPA_PORTPHYSSTATE_MAX - IB_PORTPHYSSTATE_POLLING + 1)
810 * Within physical_state_transitions, rows represent "old" states,
811 * columns "new" states, and physical_state_transitions.allowed[old][new]
812 * indicates if the transition from old state to new state is legal (see
813 * OPAg1v1, Table 6-4).
815 static const struct {
816 u8 allowed[__N_PHYSTATES][__N_PHYSTATES];
817 } physical_state_transitions = {
819 /* 2 3 4 5 6 7 8 9 10 11 */
820 /* 2 */ { __A, __A, __D, __D, __D, __D, __D, __D, __D, __D },
821 /* 3 */ { __A, __I, __D, __D, __D, __D, __D, __D, __D, __A },
822 /* 4 */ { __U, __U, __U, __U, __U, __U, __U, __U, __U, __U },
823 /* 5 */ { __A, __A, __D, __I, __D, __D, __D, __D, __D, __D },
824 /* 6 */ { __U, __U, __U, __U, __U, __U, __U, __U, __U, __U },
825 /* 7 */ { __D, __A, __D, __D, __D, __I, __D, __D, __D, __D },
826 /* 8 */ { __U, __U, __U, __U, __U, __U, __U, __U, __U, __U },
827 /* 9 */ { __I, __A, __D, __D, __D, __D, __D, __I, __D, __D },
828 /*10 */ { __U, __U, __U, __U, __U, __U, __U, __U, __U, __U },
829 /*11 */ { __D, __A, __D, __D, __D, __D, __D, __D, __D, __I },
834 * IB_PORT_DOWN (1) through IB_PORT_ACTIVE_DEFER (5) are represented
835 * logical_state_transitions
838 #define __N_LOGICAL_STATES (IB_PORT_ACTIVE_DEFER - IB_PORT_DOWN + 1)
841 * Within logical_state_transitions rows represent "old" states,
842 * columns "new" states, and logical_state_transitions.allowed[old][new]
843 * indicates if the transition from old state to new state is legal (see
844 * OPAg1v1, Table 9-12).
846 static const struct {
847 u8 allowed[__N_LOGICAL_STATES][__N_LOGICAL_STATES];
848 } logical_state_transitions = {
851 /* 1 */ { __I, __D, __D, __D, __U},
852 /* 2 */ { __D, __I, __A, __D, __U},
853 /* 3 */ { __D, __D, __I, __A, __U},
854 /* 4 */ { __D, __D, __I, __I, __U},
855 /* 5 */ { __U, __U, __U, __U, __U},
859 static int logical_transition_allowed(int old, int new)
861 if (old < IB_PORT_NOP || old > IB_PORT_ACTIVE_DEFER ||
862 new < IB_PORT_NOP || new > IB_PORT_ACTIVE_DEFER) {
863 pr_warn("invalid logical state(s) (old %d new %d)\n",
865 return HFI_TRANSITION_UNDEFINED;
868 if (new == IB_PORT_NOP)
869 return HFI_TRANSITION_ALLOWED; /* always allowed */
871 /* adjust states for indexing into logical_state_transitions */
875 if (old < 0 || new < 0)
876 return HFI_TRANSITION_UNDEFINED;
877 return logical_state_transitions.allowed[old][new];
880 static int physical_transition_allowed(int old, int new)
882 if (old < IB_PORTPHYSSTATE_NOP || old > OPA_PORTPHYSSTATE_MAX ||
883 new < IB_PORTPHYSSTATE_NOP || new > OPA_PORTPHYSSTATE_MAX) {
884 pr_warn("invalid physical state(s) (old %d new %d)\n",
886 return HFI_TRANSITION_UNDEFINED;
889 if (new == IB_PORTPHYSSTATE_NOP)
890 return HFI_TRANSITION_ALLOWED; /* always allowed */
892 /* adjust states for indexing into physical_state_transitions */
893 old -= IB_PORTPHYSSTATE_POLLING;
894 new -= IB_PORTPHYSSTATE_POLLING;
896 if (old < 0 || new < 0)
897 return HFI_TRANSITION_UNDEFINED;
898 return physical_state_transitions.allowed[old][new];
901 static int port_states_transition_allowed(struct hfi1_pportdata *ppd,
902 u32 logical_new, u32 physical_new)
904 u32 physical_old = driver_physical_state(ppd);
905 u32 logical_old = driver_logical_state(ppd);
906 int ret, logical_allowed, physical_allowed;
908 ret = logical_transition_allowed(logical_old, logical_new);
909 logical_allowed = ret;
911 if (ret == HFI_TRANSITION_DISALLOWED ||
912 ret == HFI_TRANSITION_UNDEFINED) {
913 pr_warn("invalid logical state transition %s -> %s\n",
914 opa_lstate_name(logical_old),
915 opa_lstate_name(logical_new));
919 ret = physical_transition_allowed(physical_old, physical_new);
920 physical_allowed = ret;
922 if (ret == HFI_TRANSITION_DISALLOWED ||
923 ret == HFI_TRANSITION_UNDEFINED) {
924 pr_warn("invalid physical state transition %s -> %s\n",
925 opa_pstate_name(physical_old),
926 opa_pstate_name(physical_new));
930 if (logical_allowed == HFI_TRANSITION_IGNORED &&
931 physical_allowed == HFI_TRANSITION_IGNORED)
932 return HFI_TRANSITION_IGNORED;
935 * A change request of Physical Port State from
936 * 'Offline' to 'Polling' should be ignored.
938 if ((physical_old == OPA_PORTPHYSSTATE_OFFLINE) &&
939 (physical_new == IB_PORTPHYSSTATE_POLLING))
940 return HFI_TRANSITION_IGNORED;
943 * Either physical_allowed or logical_allowed is
944 * HFI_TRANSITION_ALLOWED.
946 return HFI_TRANSITION_ALLOWED;
949 static int set_port_states(struct hfi1_pportdata *ppd, struct opa_smp *smp,
950 u32 logical_state, u32 phys_state,
951 int suppress_idle_sma)
953 struct hfi1_devdata *dd = ppd->dd;
957 ret = port_states_transition_allowed(ppd, logical_state, phys_state);
958 if (ret == HFI_TRANSITION_DISALLOWED ||
959 ret == HFI_TRANSITION_UNDEFINED) {
960 /* error message emitted above */
961 smp->status |= IB_SMP_INVALID_FIELD;
965 if (ret == HFI_TRANSITION_IGNORED)
968 if ((phys_state != IB_PORTPHYSSTATE_NOP) &&
969 !(logical_state == IB_PORT_DOWN ||
970 logical_state == IB_PORT_NOP)){
971 pr_warn("SubnSet(OPA_PortInfo) port state invalid: logical_state 0x%x physical_state 0x%x\n",
972 logical_state, phys_state);
973 smp->status |= IB_SMP_INVALID_FIELD;
977 * Logical state changes are summarized in OPAv1g1 spec.,
978 * Table 9-12; physical state changes are summarized in
979 * OPAv1g1 spec., Table 6.4.
981 switch (logical_state) {
983 if (phys_state == IB_PORTPHYSSTATE_NOP)
987 if (phys_state == IB_PORTPHYSSTATE_NOP) {
988 link_state = HLS_DN_DOWNDEF;
989 } else if (phys_state == IB_PORTPHYSSTATE_POLLING) {
990 link_state = HLS_DN_POLL;
991 set_link_down_reason(ppd, OPA_LINKDOWN_REASON_FM_BOUNCE,
992 0, OPA_LINKDOWN_REASON_FM_BOUNCE);
993 } else if (phys_state == IB_PORTPHYSSTATE_DISABLED) {
994 link_state = HLS_DN_DISABLE;
996 pr_warn("SubnSet(OPA_PortInfo) invalid physical state 0x%x\n",
998 smp->status |= IB_SMP_INVALID_FIELD;
1002 set_link_state(ppd, link_state);
1003 if (link_state == HLS_DN_DISABLE &&
1004 (ppd->offline_disabled_reason >
1005 HFI1_ODR_MASK(OPA_LINKDOWN_REASON_SMA_DISABLED) ||
1006 ppd->offline_disabled_reason ==
1007 HFI1_ODR_MASK(OPA_LINKDOWN_REASON_NONE)))
1008 ppd->offline_disabled_reason =
1009 HFI1_ODR_MASK(OPA_LINKDOWN_REASON_SMA_DISABLED);
1011 * Don't send a reply if the response would be sent
1012 * through the disabled port.
1014 if (link_state == HLS_DN_DISABLE && smp->hop_cnt)
1015 return IB_MAD_RESULT_SUCCESS | IB_MAD_RESULT_CONSUMED;
1018 ret = set_link_state(ppd, HLS_UP_ARMED);
1019 if ((ret == 0) && (suppress_idle_sma == 0))
1020 send_idle_sma(dd, SMA_IDLE_ARM);
1022 case IB_PORT_ACTIVE:
1023 if (ppd->neighbor_normal) {
1024 ret = set_link_state(ppd, HLS_UP_ACTIVE);
1026 send_idle_sma(dd, SMA_IDLE_ACTIVE);
1028 pr_warn("SubnSet(OPA_PortInfo) Cannot move to Active with NeighborNormal 0\n");
1029 smp->status |= IB_SMP_INVALID_FIELD;
1033 pr_warn("SubnSet(OPA_PortInfo) invalid logical state 0x%x\n",
1035 smp->status |= IB_SMP_INVALID_FIELD;
1042 * subn_set_opa_portinfo - set port information
1043 * @smp: the incoming SM packet
1044 * @ibdev: the infiniband device
1045 * @port: the port on the device
1048 static int __subn_set_opa_portinfo(struct opa_smp *smp, u32 am, u8 *data,
1049 struct ib_device *ibdev, u8 port,
1052 struct opa_port_info *pi = (struct opa_port_info *)data;
1053 struct ib_event event;
1054 struct hfi1_devdata *dd;
1055 struct hfi1_pportdata *ppd;
1056 struct hfi1_ibport *ibp;
1058 unsigned long flags;
1059 u32 smlid, opa_lid; /* tmp vars to hold LID values */
1061 u8 ls_old, ls_new, ps_new;
1066 u32 num_ports = OPA_AM_NPORT(am);
1067 u32 start_of_sm_config = OPA_AM_START_SM_CFG(am);
1068 int ret, i, invalid = 0, call_set_mtu = 0;
1069 int call_link_downgrade_policy = 0;
1071 if (num_ports != 1) {
1072 smp->status |= IB_SMP_INVALID_FIELD;
1073 return reply((struct ib_mad_hdr *)smp);
1076 opa_lid = be32_to_cpu(pi->lid);
1077 if (opa_lid & 0xFFFF0000) {
1078 pr_warn("OPA_PortInfo lid out of range: %X\n", opa_lid);
1079 smp->status |= IB_SMP_INVALID_FIELD;
1083 lid = (u16)(opa_lid & 0x0000FFFF);
1085 smlid = be32_to_cpu(pi->sm_lid);
1086 if (smlid & 0xFFFF0000) {
1087 pr_warn("OPA_PortInfo SM lid out of range: %X\n", smlid);
1088 smp->status |= IB_SMP_INVALID_FIELD;
1091 smlid &= 0x0000FFFF;
1093 clientrereg = (pi->clientrereg_subnettimeout &
1094 OPA_PI_MASK_CLIENT_REREGISTER);
1096 dd = dd_from_ibdev(ibdev);
1097 /* IB numbers ports from 1, hw from 0 */
1098 ppd = dd->pport + (port - 1);
1099 ibp = &ppd->ibport_data;
1100 event.device = ibdev;
1101 event.element.port_num = port;
1103 ls_old = driver_lstate(ppd);
1105 ibp->rvp.mkey = pi->mkey;
1106 ibp->rvp.gid_prefix = pi->subnet_prefix;
1107 ibp->rvp.mkey_lease_period = be16_to_cpu(pi->mkey_lease_period);
1109 /* Must be a valid unicast LID address. */
1110 if ((lid == 0 && ls_old > IB_PORT_INIT) ||
1111 lid >= be16_to_cpu(IB_MULTICAST_LID_BASE)) {
1112 smp->status |= IB_SMP_INVALID_FIELD;
1113 pr_warn("SubnSet(OPA_PortInfo) lid invalid 0x%x\n",
1115 } else if (ppd->lid != lid ||
1116 ppd->lmc != (pi->mkeyprotect_lmc & OPA_PI_MASK_LMC)) {
1117 if (ppd->lid != lid)
1118 hfi1_set_uevent_bits(ppd, _HFI1_EVENT_LID_CHANGE_BIT);
1119 if (ppd->lmc != (pi->mkeyprotect_lmc & OPA_PI_MASK_LMC))
1120 hfi1_set_uevent_bits(ppd, _HFI1_EVENT_LMC_CHANGE_BIT);
1121 hfi1_set_lid(ppd, lid, pi->mkeyprotect_lmc & OPA_PI_MASK_LMC);
1122 event.event = IB_EVENT_LID_CHANGE;
1123 ib_dispatch_event(&event);
1126 msl = pi->smsl & OPA_PI_MASK_SMSL;
1127 if (pi->partenforce_filterraw & OPA_PI_MASK_LINKINIT_REASON)
1128 ppd->linkinit_reason =
1129 (pi->partenforce_filterraw &
1130 OPA_PI_MASK_LINKINIT_REASON);
1131 /* enable/disable SW pkey checking as per FM control */
1132 if (pi->partenforce_filterraw & OPA_PI_MASK_PARTITION_ENFORCE_IN)
1133 ppd->part_enforce |= HFI1_PART_ENFORCE_IN;
1135 ppd->part_enforce &= ~HFI1_PART_ENFORCE_IN;
1137 if (pi->partenforce_filterraw & OPA_PI_MASK_PARTITION_ENFORCE_OUT)
1138 ppd->part_enforce |= HFI1_PART_ENFORCE_OUT;
1140 ppd->part_enforce &= ~HFI1_PART_ENFORCE_OUT;
1142 /* Must be a valid unicast LID address. */
1143 if ((smlid == 0 && ls_old > IB_PORT_INIT) ||
1144 smlid >= be16_to_cpu(IB_MULTICAST_LID_BASE)) {
1145 smp->status |= IB_SMP_INVALID_FIELD;
1146 pr_warn("SubnSet(OPA_PortInfo) smlid invalid 0x%x\n", smlid);
1147 } else if (smlid != ibp->rvp.sm_lid || msl != ibp->rvp.sm_sl) {
1148 pr_warn("SubnSet(OPA_PortInfo) smlid 0x%x\n", smlid);
1149 spin_lock_irqsave(&ibp->rvp.lock, flags);
1150 if (ibp->rvp.sm_ah) {
1151 if (smlid != ibp->rvp.sm_lid)
1152 ibp->rvp.sm_ah->attr.dlid = smlid;
1153 if (msl != ibp->rvp.sm_sl)
1154 ibp->rvp.sm_ah->attr.sl = msl;
1156 spin_unlock_irqrestore(&ibp->rvp.lock, flags);
1157 if (smlid != ibp->rvp.sm_lid)
1158 ibp->rvp.sm_lid = smlid;
1159 if (msl != ibp->rvp.sm_sl)
1160 ibp->rvp.sm_sl = msl;
1161 event.event = IB_EVENT_SM_CHANGE;
1162 ib_dispatch_event(&event);
1165 if (pi->link_down_reason == 0) {
1166 ppd->local_link_down_reason.sma = 0;
1167 ppd->local_link_down_reason.latest = 0;
1170 if (pi->neigh_link_down_reason == 0) {
1171 ppd->neigh_link_down_reason.sma = 0;
1172 ppd->neigh_link_down_reason.latest = 0;
1175 ppd->sm_trap_qp = be32_to_cpu(pi->sm_trap_qp);
1176 ppd->sa_qp = be32_to_cpu(pi->sa_qp);
1178 ppd->port_error_action = be32_to_cpu(pi->port_error_action);
1179 lwe = be16_to_cpu(pi->link_width.enabled);
1181 if (lwe == OPA_LINK_WIDTH_RESET ||
1182 lwe == OPA_LINK_WIDTH_RESET_OLD)
1183 set_link_width_enabled(ppd, ppd->link_width_supported);
1184 else if ((lwe & ~ppd->link_width_supported) == 0)
1185 set_link_width_enabled(ppd, lwe);
1187 smp->status |= IB_SMP_INVALID_FIELD;
1189 lwe = be16_to_cpu(pi->link_width_downgrade.enabled);
1190 /* LWD.E is always applied - 0 means "disabled" */
1191 if (lwe == OPA_LINK_WIDTH_RESET ||
1192 lwe == OPA_LINK_WIDTH_RESET_OLD) {
1193 set_link_width_downgrade_enabled(ppd,
1195 link_width_downgrade_supported
1197 } else if ((lwe & ~ppd->link_width_downgrade_supported) == 0) {
1198 /* only set and apply if something changed */
1199 if (lwe != ppd->link_width_downgrade_enabled) {
1200 set_link_width_downgrade_enabled(ppd, lwe);
1201 call_link_downgrade_policy = 1;
1204 smp->status |= IB_SMP_INVALID_FIELD;
1206 lse = be16_to_cpu(pi->link_speed.enabled);
1208 if (lse & be16_to_cpu(pi->link_speed.supported))
1209 set_link_speed_enabled(ppd, lse);
1211 smp->status |= IB_SMP_INVALID_FIELD;
1215 (pi->mkeyprotect_lmc & OPA_PI_MASK_MKEY_PROT_BIT) >> 6;
1216 ibp->rvp.vl_high_limit = be16_to_cpu(pi->vl.high_limit) & 0xFF;
1217 (void)hfi1_set_ib_cfg(ppd, HFI1_IB_CFG_VL_HIGH_LIMIT,
1218 ibp->rvp.vl_high_limit);
1220 if (ppd->vls_supported / 2 > ARRAY_SIZE(pi->neigh_mtu.pvlx_to_mtu) ||
1221 ppd->vls_supported > ARRAY_SIZE(dd->vld)) {
1222 smp->status |= IB_SMP_INVALID_FIELD;
1223 return reply((struct ib_mad_hdr *)smp);
1225 for (i = 0; i < ppd->vls_supported; i++) {
1227 mtu = enum_to_mtu((pi->neigh_mtu.pvlx_to_mtu[i / 2] >>
1230 mtu = enum_to_mtu(pi->neigh_mtu.pvlx_to_mtu[i / 2] &
1232 if (mtu == 0xffff) {
1233 pr_warn("SubnSet(OPA_PortInfo) mtu invalid %d (0x%x)\n",
1235 (pi->neigh_mtu.pvlx_to_mtu[0] >> 4) & 0xF);
1236 smp->status |= IB_SMP_INVALID_FIELD;
1237 mtu = hfi1_max_mtu; /* use a valid MTU */
1239 if (dd->vld[i].mtu != mtu) {
1241 "MTU change on vl %d from %d to %d\n",
1242 i, dd->vld[i].mtu, mtu);
1243 dd->vld[i].mtu = mtu;
1247 /* As per OPAV1 spec: VL15 must support and be configured
1248 * for operation with a 2048 or larger MTU.
1250 mtu = enum_to_mtu(pi->neigh_mtu.pvlx_to_mtu[15 / 2] & 0xF);
1251 if (mtu < 2048 || mtu == 0xffff)
1253 if (dd->vld[15].mtu != mtu) {
1255 "MTU change on vl 15 from %d to %d\n",
1256 dd->vld[15].mtu, mtu);
1257 dd->vld[15].mtu = mtu;
1263 /* Set operational VLs */
1264 vls = pi->operational_vls & OPA_PI_MASK_OPERATIONAL_VL;
1266 if (vls > ppd->vls_supported) {
1267 pr_warn("SubnSet(OPA_PortInfo) VL's supported invalid %d\n",
1268 pi->operational_vls);
1269 smp->status |= IB_SMP_INVALID_FIELD;
1271 if (hfi1_set_ib_cfg(ppd, HFI1_IB_CFG_OP_VLS,
1273 smp->status |= IB_SMP_INVALID_FIELD;
1277 if (pi->mkey_violations == 0)
1278 ibp->rvp.mkey_violations = 0;
1280 if (pi->pkey_violations == 0)
1281 ibp->rvp.pkey_violations = 0;
1283 if (pi->qkey_violations == 0)
1284 ibp->rvp.qkey_violations = 0;
1286 ibp->rvp.subnet_timeout =
1287 pi->clientrereg_subnettimeout & OPA_PI_MASK_SUBNET_TIMEOUT;
1289 crc_enabled = be16_to_cpu(pi->port_ltp_crc_mode);
1293 if (crc_enabled != 0)
1294 ppd->port_crc_mode_enabled = port_ltp_to_cap(crc_enabled);
1296 ppd->is_active_optimize_enabled =
1297 !!(be16_to_cpu(pi->port_mode)
1298 & OPA_PI_MASK_PORT_ACTIVE_OPTOMIZE);
1300 ls_new = pi->port_states.portphysstate_portstate &
1301 OPA_PI_MASK_PORT_STATE;
1302 ps_new = (pi->port_states.portphysstate_portstate &
1303 OPA_PI_MASK_PORT_PHYSICAL_STATE) >> 4;
1305 if (ls_old == IB_PORT_INIT) {
1306 if (start_of_sm_config) {
1307 if (ls_new == ls_old || (ls_new == IB_PORT_ARMED))
1308 ppd->is_sm_config_started = 1;
1309 } else if (ls_new == IB_PORT_ARMED) {
1310 if (ppd->is_sm_config_started == 0)
1315 /* Handle CLIENT_REREGISTER event b/c SM asked us for it */
1317 event.event = IB_EVENT_CLIENT_REREGISTER;
1318 ib_dispatch_event(&event);
1322 * Do the port state change now that the other link parameters
1324 * Changing the port physical state only makes sense if the link
1325 * is down or is being set to down.
1328 ret = set_port_states(ppd, smp, ls_new, ps_new, invalid);
1332 ret = __subn_get_opa_portinfo(smp, am, data, ibdev, port, resp_len);
1334 /* restore re-reg bit per o14-12.2.1 */
1335 pi->clientrereg_subnettimeout |= clientrereg;
1338 * Apply the new link downgrade policy. This may result in a link
1339 * bounce. Do this after everything else so things are settled.
1340 * Possible problem: if setting the port state above fails, then
1341 * the policy change is not applied.
1343 if (call_link_downgrade_policy)
1344 apply_link_downgrade_policy(ppd, 0);
1349 return __subn_get_opa_portinfo(smp, am, data, ibdev, port, resp_len);
1353 * set_pkeys - set the PKEY table for ctxt 0
1354 * @dd: the hfi1_ib device
1355 * @port: the IB port number
1356 * @pkeys: the PKEY table
1358 static int set_pkeys(struct hfi1_devdata *dd, u8 port, u16 *pkeys)
1360 struct hfi1_pportdata *ppd;
1363 int update_includes_mgmt_partition = 0;
1366 * IB port one/two always maps to context zero/one,
1367 * always a kernel context, no locking needed
1368 * If we get here with ppd setup, no need to check
1369 * that rcd is valid.
1371 ppd = dd->pport + (port - 1);
1373 * If the update does not include the management pkey, don't do it.
1375 for (i = 0; i < ARRAY_SIZE(ppd->pkeys); i++) {
1376 if (pkeys[i] == LIM_MGMT_P_KEY) {
1377 update_includes_mgmt_partition = 1;
1382 if (!update_includes_mgmt_partition)
1385 for (i = 0; i < ARRAY_SIZE(ppd->pkeys); i++) {
1387 u16 okey = ppd->pkeys[i];
1392 * The SM gives us the complete PKey table. We have
1393 * to ensure that we put the PKeys in the matching
1396 ppd->pkeys[i] = key;
1401 struct ib_event event;
1403 (void)hfi1_set_ib_cfg(ppd, HFI1_IB_CFG_PKEYS, 0);
1405 event.event = IB_EVENT_PKEY_CHANGE;
1406 event.device = &dd->verbs_dev.rdi.ibdev;
1407 event.element.port_num = port;
1408 ib_dispatch_event(&event);
1413 static int __subn_set_opa_pkeytable(struct opa_smp *smp, u32 am, u8 *data,
1414 struct ib_device *ibdev, u8 port,
1417 struct hfi1_devdata *dd = dd_from_ibdev(ibdev);
1418 u32 n_blocks_sent = OPA_AM_NBLK(am);
1419 u32 start_block = am & 0x7ff;
1420 u16 *p = (u16 *)data;
1421 __be16 *q = (__be16 *)data;
1424 unsigned npkeys = hfi1_get_npkeys(dd);
1426 if (n_blocks_sent == 0) {
1427 pr_warn("OPA Get PKey AM Invalid : P = %d; B = 0x%x; N = 0x%x\n",
1428 port, start_block, n_blocks_sent);
1429 smp->status |= IB_SMP_INVALID_FIELD;
1430 return reply((struct ib_mad_hdr *)smp);
1433 n_blocks_avail = (u16)(npkeys / OPA_PARTITION_TABLE_BLK_SIZE) + 1;
1435 if (start_block + n_blocks_sent > n_blocks_avail ||
1436 n_blocks_sent > OPA_NUM_PKEY_BLOCKS_PER_SMP) {
1437 pr_warn("OPA Set PKey AM Invalid : s 0x%x; req 0x%x; avail 0x%x; blk/smp 0x%lx\n",
1438 start_block, n_blocks_sent, n_blocks_avail,
1439 OPA_NUM_PKEY_BLOCKS_PER_SMP);
1440 smp->status |= IB_SMP_INVALID_FIELD;
1441 return reply((struct ib_mad_hdr *)smp);
1444 for (i = 0; i < n_blocks_sent * OPA_PARTITION_TABLE_BLK_SIZE; i++)
1445 p[i] = be16_to_cpu(q[i]);
1447 if (start_block == 0 && set_pkeys(dd, port, p) != 0) {
1448 smp->status |= IB_SMP_INVALID_FIELD;
1449 return reply((struct ib_mad_hdr *)smp);
1452 return __subn_get_opa_pkeytable(smp, am, data, ibdev, port, resp_len);
1455 static int get_sc2vlt_tables(struct hfi1_devdata *dd, void *data)
1459 *val++ = read_csr(dd, SEND_SC2VLT0);
1460 *val++ = read_csr(dd, SEND_SC2VLT1);
1461 *val++ = read_csr(dd, SEND_SC2VLT2);
1462 *val++ = read_csr(dd, SEND_SC2VLT3);
1466 #define ILLEGAL_VL 12
1468 * filter_sc2vlt changes mappings to VL15 to ILLEGAL_VL (except
1469 * for SC15, which must map to VL15). If we don't remap things this
1470 * way it is possible for VL15 counters to increment when we try to
1471 * send on a SC which is mapped to an invalid VL.
1473 static void filter_sc2vlt(void *data)
1478 for (i = 0; i < OPA_MAX_SCS; i++) {
1481 if ((pd[i] & 0x1f) == 0xf)
1486 static int set_sc2vlt_tables(struct hfi1_devdata *dd, void *data)
1490 filter_sc2vlt(data);
1492 write_csr(dd, SEND_SC2VLT0, *val++);
1493 write_csr(dd, SEND_SC2VLT1, *val++);
1494 write_csr(dd, SEND_SC2VLT2, *val++);
1495 write_csr(dd, SEND_SC2VLT3, *val++);
1496 write_seqlock_irq(&dd->sc2vl_lock);
1497 memcpy(dd->sc2vl, data, sizeof(dd->sc2vl));
1498 write_sequnlock_irq(&dd->sc2vl_lock);
1502 static int __subn_get_opa_sl_to_sc(struct opa_smp *smp, u32 am, u8 *data,
1503 struct ib_device *ibdev, u8 port,
1506 struct hfi1_ibport *ibp = to_iport(ibdev, port);
1508 size_t size = ARRAY_SIZE(ibp->sl_to_sc); /* == 32 */
1512 smp->status |= IB_SMP_INVALID_FIELD;
1513 return reply((struct ib_mad_hdr *)smp);
1516 for (i = 0; i < ARRAY_SIZE(ibp->sl_to_sc); i++)
1517 *p++ = ibp->sl_to_sc[i];
1522 return reply((struct ib_mad_hdr *)smp);
1525 static int __subn_set_opa_sl_to_sc(struct opa_smp *smp, u32 am, u8 *data,
1526 struct ib_device *ibdev, u8 port,
1529 struct hfi1_ibport *ibp = to_iport(ibdev, port);
1535 smp->status |= IB_SMP_INVALID_FIELD;
1536 return reply((struct ib_mad_hdr *)smp);
1539 for (i = 0; i < ARRAY_SIZE(ibp->sl_to_sc); i++) {
1541 if (ibp->sl_to_sc[i] != sc) {
1542 ibp->sl_to_sc[i] = sc;
1544 /* Put all stale qps into error state */
1545 hfi1_error_port_qps(ibp, i);
1549 return __subn_get_opa_sl_to_sc(smp, am, data, ibdev, port, resp_len);
1552 static int __subn_get_opa_sc_to_sl(struct opa_smp *smp, u32 am, u8 *data,
1553 struct ib_device *ibdev, u8 port,
1556 struct hfi1_ibport *ibp = to_iport(ibdev, port);
1558 size_t size = ARRAY_SIZE(ibp->sc_to_sl); /* == 32 */
1562 smp->status |= IB_SMP_INVALID_FIELD;
1563 return reply((struct ib_mad_hdr *)smp);
1566 for (i = 0; i < ARRAY_SIZE(ibp->sc_to_sl); i++)
1567 *p++ = ibp->sc_to_sl[i];
1572 return reply((struct ib_mad_hdr *)smp);
1575 static int __subn_set_opa_sc_to_sl(struct opa_smp *smp, u32 am, u8 *data,
1576 struct ib_device *ibdev, u8 port,
1579 struct hfi1_ibport *ibp = to_iport(ibdev, port);
1584 smp->status |= IB_SMP_INVALID_FIELD;
1585 return reply((struct ib_mad_hdr *)smp);
1588 for (i = 0; i < ARRAY_SIZE(ibp->sc_to_sl); i++)
1589 ibp->sc_to_sl[i] = *p++;
1591 return __subn_get_opa_sc_to_sl(smp, am, data, ibdev, port, resp_len);
1594 static int __subn_get_opa_sc_to_vlt(struct opa_smp *smp, u32 am, u8 *data,
1595 struct ib_device *ibdev, u8 port,
1598 u32 n_blocks = OPA_AM_NBLK(am);
1599 struct hfi1_devdata *dd = dd_from_ibdev(ibdev);
1600 void *vp = (void *)data;
1601 size_t size = 4 * sizeof(u64);
1603 if (n_blocks != 1) {
1604 smp->status |= IB_SMP_INVALID_FIELD;
1605 return reply((struct ib_mad_hdr *)smp);
1608 get_sc2vlt_tables(dd, vp);
1613 return reply((struct ib_mad_hdr *)smp);
1616 static int __subn_set_opa_sc_to_vlt(struct opa_smp *smp, u32 am, u8 *data,
1617 struct ib_device *ibdev, u8 port,
1620 u32 n_blocks = OPA_AM_NBLK(am);
1621 int async_update = OPA_AM_ASYNC(am);
1622 struct hfi1_devdata *dd = dd_from_ibdev(ibdev);
1623 void *vp = (void *)data;
1624 struct hfi1_pportdata *ppd;
1627 if (n_blocks != 1 || async_update) {
1628 smp->status |= IB_SMP_INVALID_FIELD;
1629 return reply((struct ib_mad_hdr *)smp);
1632 /* IB numbers ports from 1, hw from 0 */
1633 ppd = dd->pport + (port - 1);
1634 lstate = driver_lstate(ppd);
1636 * it's known that async_update is 0 by this point, but include
1637 * the explicit check for clarity
1639 if (!async_update &&
1640 (lstate == IB_PORT_ARMED || lstate == IB_PORT_ACTIVE)) {
1641 smp->status |= IB_SMP_INVALID_FIELD;
1642 return reply((struct ib_mad_hdr *)smp);
1645 set_sc2vlt_tables(dd, vp);
1647 return __subn_get_opa_sc_to_vlt(smp, am, data, ibdev, port, resp_len);
1650 static int __subn_get_opa_sc_to_vlnt(struct opa_smp *smp, u32 am, u8 *data,
1651 struct ib_device *ibdev, u8 port,
1654 u32 n_blocks = OPA_AM_NPORT(am);
1655 struct hfi1_devdata *dd = dd_from_ibdev(ibdev);
1656 struct hfi1_pportdata *ppd;
1657 void *vp = (void *)data;
1660 if (n_blocks != 1) {
1661 smp->status |= IB_SMP_INVALID_FIELD;
1662 return reply((struct ib_mad_hdr *)smp);
1665 ppd = dd->pport + (port - 1);
1667 size = fm_get_table(ppd, FM_TBL_SC2VLNT, vp);
1672 return reply((struct ib_mad_hdr *)smp);
1675 static int __subn_set_opa_sc_to_vlnt(struct opa_smp *smp, u32 am, u8 *data,
1676 struct ib_device *ibdev, u8 port,
1679 u32 n_blocks = OPA_AM_NPORT(am);
1680 struct hfi1_devdata *dd = dd_from_ibdev(ibdev);
1681 struct hfi1_pportdata *ppd;
1682 void *vp = (void *)data;
1685 if (n_blocks != 1) {
1686 smp->status |= IB_SMP_INVALID_FIELD;
1687 return reply((struct ib_mad_hdr *)smp);
1690 /* IB numbers ports from 1, hw from 0 */
1691 ppd = dd->pport + (port - 1);
1692 lstate = driver_lstate(ppd);
1693 if (lstate == IB_PORT_ARMED || lstate == IB_PORT_ACTIVE) {
1694 smp->status |= IB_SMP_INVALID_FIELD;
1695 return reply((struct ib_mad_hdr *)smp);
1698 ppd = dd->pport + (port - 1);
1700 fm_set_table(ppd, FM_TBL_SC2VLNT, vp);
1702 return __subn_get_opa_sc_to_vlnt(smp, am, data, ibdev, port,
1706 static int __subn_get_opa_psi(struct opa_smp *smp, u32 am, u8 *data,
1707 struct ib_device *ibdev, u8 port,
1710 u32 nports = OPA_AM_NPORT(am);
1711 u32 start_of_sm_config = OPA_AM_START_SM_CFG(am);
1713 struct hfi1_ibport *ibp;
1714 struct hfi1_pportdata *ppd;
1715 struct opa_port_state_info *psi = (struct opa_port_state_info *)data;
1718 smp->status |= IB_SMP_INVALID_FIELD;
1719 return reply((struct ib_mad_hdr *)smp);
1722 ibp = to_iport(ibdev, port);
1723 ppd = ppd_from_ibp(ibp);
1725 lstate = driver_lstate(ppd);
1727 if (start_of_sm_config && (lstate == IB_PORT_INIT))
1728 ppd->is_sm_config_started = 1;
1730 #if PI_LED_ENABLE_SUP
1731 psi->port_states.ledenable_offlinereason = ppd->neighbor_normal << 4;
1732 psi->port_states.ledenable_offlinereason |=
1733 ppd->is_sm_config_started << 5;
1734 psi->port_states.ledenable_offlinereason |=
1735 ppd->offline_disabled_reason;
1737 psi->port_states.offline_reason = ppd->neighbor_normal << 4;
1738 psi->port_states.offline_reason |= ppd->is_sm_config_started << 5;
1739 psi->port_states.offline_reason |= ppd->offline_disabled_reason;
1740 #endif /* PI_LED_ENABLE_SUP */
1742 psi->port_states.portphysstate_portstate =
1743 (hfi1_ibphys_portstate(ppd) << 4) | (lstate & 0xf);
1744 psi->link_width_downgrade_tx_active =
1745 cpu_to_be16(ppd->link_width_downgrade_tx_active);
1746 psi->link_width_downgrade_rx_active =
1747 cpu_to_be16(ppd->link_width_downgrade_rx_active);
1749 *resp_len += sizeof(struct opa_port_state_info);
1751 return reply((struct ib_mad_hdr *)smp);
1754 static int __subn_set_opa_psi(struct opa_smp *smp, u32 am, u8 *data,
1755 struct ib_device *ibdev, u8 port,
1758 u32 nports = OPA_AM_NPORT(am);
1759 u32 start_of_sm_config = OPA_AM_START_SM_CFG(am);
1762 struct hfi1_ibport *ibp;
1763 struct hfi1_pportdata *ppd;
1764 struct opa_port_state_info *psi = (struct opa_port_state_info *)data;
1765 int ret, invalid = 0;
1768 smp->status |= IB_SMP_INVALID_FIELD;
1769 return reply((struct ib_mad_hdr *)smp);
1772 ibp = to_iport(ibdev, port);
1773 ppd = ppd_from_ibp(ibp);
1775 ls_old = driver_lstate(ppd);
1777 ls_new = port_states_to_logical_state(&psi->port_states);
1778 ps_new = port_states_to_phys_state(&psi->port_states);
1780 if (ls_old == IB_PORT_INIT) {
1781 if (start_of_sm_config) {
1782 if (ls_new == ls_old || (ls_new == IB_PORT_ARMED))
1783 ppd->is_sm_config_started = 1;
1784 } else if (ls_new == IB_PORT_ARMED) {
1785 if (ppd->is_sm_config_started == 0)
1790 ret = set_port_states(ppd, smp, ls_new, ps_new, invalid);
1795 smp->status |= IB_SMP_INVALID_FIELD;
1797 return __subn_get_opa_psi(smp, am, data, ibdev, port, resp_len);
1800 static int __subn_get_opa_cable_info(struct opa_smp *smp, u32 am, u8 *data,
1801 struct ib_device *ibdev, u8 port,
1804 struct hfi1_devdata *dd = dd_from_ibdev(ibdev);
1805 u32 addr = OPA_AM_CI_ADDR(am);
1806 u32 len = OPA_AM_CI_LEN(am) + 1;
1809 #define __CI_PAGE_SIZE BIT(7) /* 128 bytes */
1810 #define __CI_PAGE_MASK ~(__CI_PAGE_SIZE - 1)
1811 #define __CI_PAGE_NUM(a) ((a) & __CI_PAGE_MASK)
1814 * check that addr is within spec, and
1815 * addr and (addr + len - 1) are on the same "page"
1818 (__CI_PAGE_NUM(addr) != __CI_PAGE_NUM(addr + len - 1))) {
1819 smp->status |= IB_SMP_INVALID_FIELD;
1820 return reply((struct ib_mad_hdr *)smp);
1823 ret = get_cable_info(dd, port, addr, len, data);
1825 if (ret == -ENODEV) {
1826 smp->status |= IB_SMP_UNSUP_METH_ATTR;
1827 return reply((struct ib_mad_hdr *)smp);
1830 /* The address range for the CableInfo SMA query is wider than the
1831 * memory available on the QSFP cable. We want to return a valid
1832 * response, albeit zeroed out, for address ranges beyond available
1833 * memory but that are within the CableInfo query spec
1835 if (ret < 0 && ret != -ERANGE) {
1836 smp->status |= IB_SMP_INVALID_FIELD;
1837 return reply((struct ib_mad_hdr *)smp);
1843 return reply((struct ib_mad_hdr *)smp);
1846 static int __subn_get_opa_bct(struct opa_smp *smp, u32 am, u8 *data,
1847 struct ib_device *ibdev, u8 port, u32 *resp_len)
1849 u32 num_ports = OPA_AM_NPORT(am);
1850 struct hfi1_devdata *dd = dd_from_ibdev(ibdev);
1851 struct hfi1_pportdata *ppd;
1852 struct buffer_control *p = (struct buffer_control *)data;
1855 if (num_ports != 1) {
1856 smp->status |= IB_SMP_INVALID_FIELD;
1857 return reply((struct ib_mad_hdr *)smp);
1860 ppd = dd->pport + (port - 1);
1861 size = fm_get_table(ppd, FM_TBL_BUFFER_CONTROL, p);
1862 trace_bct_get(dd, p);
1866 return reply((struct ib_mad_hdr *)smp);
1869 static int __subn_set_opa_bct(struct opa_smp *smp, u32 am, u8 *data,
1870 struct ib_device *ibdev, u8 port, u32 *resp_len)
1872 u32 num_ports = OPA_AM_NPORT(am);
1873 struct hfi1_devdata *dd = dd_from_ibdev(ibdev);
1874 struct hfi1_pportdata *ppd;
1875 struct buffer_control *p = (struct buffer_control *)data;
1877 if (num_ports != 1) {
1878 smp->status |= IB_SMP_INVALID_FIELD;
1879 return reply((struct ib_mad_hdr *)smp);
1881 ppd = dd->pport + (port - 1);
1882 trace_bct_set(dd, p);
1883 if (fm_set_table(ppd, FM_TBL_BUFFER_CONTROL, p) < 0) {
1884 smp->status |= IB_SMP_INVALID_FIELD;
1885 return reply((struct ib_mad_hdr *)smp);
1888 return __subn_get_opa_bct(smp, am, data, ibdev, port, resp_len);
1891 static int __subn_get_opa_vl_arb(struct opa_smp *smp, u32 am, u8 *data,
1892 struct ib_device *ibdev, u8 port,
1895 struct hfi1_pportdata *ppd = ppd_from_ibp(to_iport(ibdev, port));
1896 u32 num_ports = OPA_AM_NPORT(am);
1897 u8 section = (am & 0x00ff0000) >> 16;
1901 if (num_ports != 1) {
1902 smp->status |= IB_SMP_INVALID_FIELD;
1903 return reply((struct ib_mad_hdr *)smp);
1907 case OPA_VLARB_LOW_ELEMENTS:
1908 size = fm_get_table(ppd, FM_TBL_VL_LOW_ARB, p);
1910 case OPA_VLARB_HIGH_ELEMENTS:
1911 size = fm_get_table(ppd, FM_TBL_VL_HIGH_ARB, p);
1913 case OPA_VLARB_PREEMPT_ELEMENTS:
1914 size = fm_get_table(ppd, FM_TBL_VL_PREEMPT_ELEMS, p);
1916 case OPA_VLARB_PREEMPT_MATRIX:
1917 size = fm_get_table(ppd, FM_TBL_VL_PREEMPT_MATRIX, p);
1920 pr_warn("OPA SubnGet(VL Arb) AM Invalid : 0x%x\n",
1921 be32_to_cpu(smp->attr_mod));
1922 smp->status |= IB_SMP_INVALID_FIELD;
1926 if (size > 0 && resp_len)
1929 return reply((struct ib_mad_hdr *)smp);
1932 static int __subn_set_opa_vl_arb(struct opa_smp *smp, u32 am, u8 *data,
1933 struct ib_device *ibdev, u8 port,
1936 struct hfi1_pportdata *ppd = ppd_from_ibp(to_iport(ibdev, port));
1937 u32 num_ports = OPA_AM_NPORT(am);
1938 u8 section = (am & 0x00ff0000) >> 16;
1941 if (num_ports != 1) {
1942 smp->status |= IB_SMP_INVALID_FIELD;
1943 return reply((struct ib_mad_hdr *)smp);
1947 case OPA_VLARB_LOW_ELEMENTS:
1948 (void)fm_set_table(ppd, FM_TBL_VL_LOW_ARB, p);
1950 case OPA_VLARB_HIGH_ELEMENTS:
1951 (void)fm_set_table(ppd, FM_TBL_VL_HIGH_ARB, p);
1954 * neither OPA_VLARB_PREEMPT_ELEMENTS, or OPA_VLARB_PREEMPT_MATRIX
1955 * can be changed from the default values
1957 case OPA_VLARB_PREEMPT_ELEMENTS:
1959 case OPA_VLARB_PREEMPT_MATRIX:
1960 smp->status |= IB_SMP_UNSUP_METH_ATTR;
1963 pr_warn("OPA SubnSet(VL Arb) AM Invalid : 0x%x\n",
1964 be32_to_cpu(smp->attr_mod));
1965 smp->status |= IB_SMP_INVALID_FIELD;
1969 return __subn_get_opa_vl_arb(smp, am, data, ibdev, port, resp_len);
1972 struct opa_pma_mad {
1973 struct ib_mad_hdr mad_hdr;
1977 struct opa_class_port_info {
1981 __be32 cap_mask2_resp_time;
1983 u8 redirect_gid[16];
1984 __be32 redirect_tc_fl;
1985 __be32 redirect_lid;
1986 __be32 redirect_sl_qp;
1987 __be32 redirect_qkey;
1996 __be16 redirect_pkey;
2002 struct opa_port_status_req {
2005 __be32 vl_select_mask;
2008 #define VL_MASK_ALL 0x000080ff
2010 struct opa_port_status_rsp {
2013 __be32 vl_select_mask;
2016 __be64 port_xmit_data;
2017 __be64 port_rcv_data;
2018 __be64 port_xmit_pkts;
2019 __be64 port_rcv_pkts;
2020 __be64 port_multicast_xmit_pkts;
2021 __be64 port_multicast_rcv_pkts;
2022 __be64 port_xmit_wait;
2023 __be64 sw_port_congestion;
2024 __be64 port_rcv_fecn;
2025 __be64 port_rcv_becn;
2026 __be64 port_xmit_time_cong;
2027 __be64 port_xmit_wasted_bw;
2028 __be64 port_xmit_wait_data;
2029 __be64 port_rcv_bubble;
2030 __be64 port_mark_fecn;
2031 /* Error counters */
2032 __be64 port_rcv_constraint_errors;
2033 __be64 port_rcv_switch_relay_errors;
2034 __be64 port_xmit_discards;
2035 __be64 port_xmit_constraint_errors;
2036 __be64 port_rcv_remote_physical_errors;
2037 __be64 local_link_integrity_errors;
2038 __be64 port_rcv_errors;
2039 __be64 excessive_buffer_overruns;
2040 __be64 fm_config_errors;
2041 __be32 link_error_recovery;
2043 u8 uncorrectable_errors;
2045 u8 link_quality_indicator; /* 5res, 3bit */
2048 /* per-VL Data counters */
2049 __be64 port_vl_xmit_data;
2050 __be64 port_vl_rcv_data;
2051 __be64 port_vl_xmit_pkts;
2052 __be64 port_vl_rcv_pkts;
2053 __be64 port_vl_xmit_wait;
2054 __be64 sw_port_vl_congestion;
2055 __be64 port_vl_rcv_fecn;
2056 __be64 port_vl_rcv_becn;
2057 __be64 port_xmit_time_cong;
2058 __be64 port_vl_xmit_wasted_bw;
2059 __be64 port_vl_xmit_wait_data;
2060 __be64 port_vl_rcv_bubble;
2061 __be64 port_vl_mark_fecn;
2062 __be64 port_vl_xmit_discards;
2063 } vls[0]; /* real array size defined by # bits set in vl_select_mask */
2066 enum counter_selects {
2067 CS_PORT_XMIT_DATA = (1 << 31),
2068 CS_PORT_RCV_DATA = (1 << 30),
2069 CS_PORT_XMIT_PKTS = (1 << 29),
2070 CS_PORT_RCV_PKTS = (1 << 28),
2071 CS_PORT_MCAST_XMIT_PKTS = (1 << 27),
2072 CS_PORT_MCAST_RCV_PKTS = (1 << 26),
2073 CS_PORT_XMIT_WAIT = (1 << 25),
2074 CS_SW_PORT_CONGESTION = (1 << 24),
2075 CS_PORT_RCV_FECN = (1 << 23),
2076 CS_PORT_RCV_BECN = (1 << 22),
2077 CS_PORT_XMIT_TIME_CONG = (1 << 21),
2078 CS_PORT_XMIT_WASTED_BW = (1 << 20),
2079 CS_PORT_XMIT_WAIT_DATA = (1 << 19),
2080 CS_PORT_RCV_BUBBLE = (1 << 18),
2081 CS_PORT_MARK_FECN = (1 << 17),
2082 CS_PORT_RCV_CONSTRAINT_ERRORS = (1 << 16),
2083 CS_PORT_RCV_SWITCH_RELAY_ERRORS = (1 << 15),
2084 CS_PORT_XMIT_DISCARDS = (1 << 14),
2085 CS_PORT_XMIT_CONSTRAINT_ERRORS = (1 << 13),
2086 CS_PORT_RCV_REMOTE_PHYSICAL_ERRORS = (1 << 12),
2087 CS_LOCAL_LINK_INTEGRITY_ERRORS = (1 << 11),
2088 CS_PORT_RCV_ERRORS = (1 << 10),
2089 CS_EXCESSIVE_BUFFER_OVERRUNS = (1 << 9),
2090 CS_FM_CONFIG_ERRORS = (1 << 8),
2091 CS_LINK_ERROR_RECOVERY = (1 << 7),
2092 CS_LINK_DOWNED = (1 << 6),
2093 CS_UNCORRECTABLE_ERRORS = (1 << 5),
2096 struct opa_clear_port_status {
2097 __be64 port_select_mask[4];
2098 __be32 counter_select_mask;
2101 struct opa_aggregate {
2103 __be16 err_reqlength; /* 1 bit, 8 res, 7 bit */
2108 #define MSK_LLI 0x000000f0
2109 #define MSK_LLI_SFT 4
2110 #define MSK_LER 0x0000000f
2111 #define MSK_LER_SFT 0
2115 /* Request contains first three fields, response contains those plus the rest */
2116 struct opa_port_data_counters_msg {
2117 __be64 port_select_mask[4];
2118 __be32 vl_select_mask;
2121 /* Response fields follow */
2122 struct _port_dctrs {
2125 __be32 link_quality_indicator; /* 29res, 3bit */
2128 __be64 port_xmit_data;
2129 __be64 port_rcv_data;
2130 __be64 port_xmit_pkts;
2131 __be64 port_rcv_pkts;
2132 __be64 port_multicast_xmit_pkts;
2133 __be64 port_multicast_rcv_pkts;
2134 __be64 port_xmit_wait;
2135 __be64 sw_port_congestion;
2136 __be64 port_rcv_fecn;
2137 __be64 port_rcv_becn;
2138 __be64 port_xmit_time_cong;
2139 __be64 port_xmit_wasted_bw;
2140 __be64 port_xmit_wait_data;
2141 __be64 port_rcv_bubble;
2142 __be64 port_mark_fecn;
2144 __be64 port_error_counter_summary;
2145 /* Sum of error counts/port */
2148 /* per-VL Data counters */
2149 __be64 port_vl_xmit_data;
2150 __be64 port_vl_rcv_data;
2151 __be64 port_vl_xmit_pkts;
2152 __be64 port_vl_rcv_pkts;
2153 __be64 port_vl_xmit_wait;
2154 __be64 sw_port_vl_congestion;
2155 __be64 port_vl_rcv_fecn;
2156 __be64 port_vl_rcv_becn;
2157 __be64 port_xmit_time_cong;
2158 __be64 port_vl_xmit_wasted_bw;
2159 __be64 port_vl_xmit_wait_data;
2160 __be64 port_vl_rcv_bubble;
2161 __be64 port_vl_mark_fecn;
2163 /* array size defined by #bits set in vl_select_mask*/
2164 } port[1]; /* array size defined by #ports in attribute modifier */
2167 struct opa_port_error_counters64_msg {
2169 * Request contains first two fields, response contains the
2172 __be64 port_select_mask[4];
2173 __be32 vl_select_mask;
2175 /* Response-only fields follow */
2177 struct _port_ectrs {
2180 __be64 port_rcv_constraint_errors;
2181 __be64 port_rcv_switch_relay_errors;
2182 __be64 port_xmit_discards;
2183 __be64 port_xmit_constraint_errors;
2184 __be64 port_rcv_remote_physical_errors;
2185 __be64 local_link_integrity_errors;
2186 __be64 port_rcv_errors;
2187 __be64 excessive_buffer_overruns;
2188 __be64 fm_config_errors;
2189 __be32 link_error_recovery;
2191 u8 uncorrectable_errors;
2194 __be64 port_vl_xmit_discards;
2196 /* array size defined by #bits set in vl_select_mask */
2197 } port[1]; /* array size defined by #ports in attribute modifier */
2200 struct opa_port_error_info_msg {
2201 __be64 port_select_mask[4];
2202 __be32 error_info_select_mask;
2208 /* PortRcvErrorInfo */
2214 /* EI1to12 format */
2217 u8 remaining_flit_bits12;
2221 u8 remaining_flit_bits;
2225 } __packed port_rcv_ei;
2227 /* ExcessiveBufferOverrunInfo */
2231 } __packed excessive_buffer_overrun_ei;
2233 /* PortXmitConstraintErrorInfo */
2239 } __packed port_xmit_constraint_ei;
2241 /* PortRcvConstraintErrorInfo */
2247 } __packed port_rcv_constraint_ei;
2249 /* PortRcvSwitchRelayErrorInfo */
2254 } __packed port_rcv_switch_relay_ei;
2256 /* UncorrectableErrorInfo */
2260 } __packed uncorrectable_ei;
2262 /* FMConfigErrorInfo */
2266 } __packed fm_config_ei;
2268 } port[1]; /* actual array size defined by #ports in attr modifier */
2271 /* opa_port_error_info_msg error_info_select_mask bit definitions */
2272 enum error_info_selects {
2273 ES_PORT_RCV_ERROR_INFO = (1 << 31),
2274 ES_EXCESSIVE_BUFFER_OVERRUN_INFO = (1 << 30),
2275 ES_PORT_XMIT_CONSTRAINT_ERROR_INFO = (1 << 29),
2276 ES_PORT_RCV_CONSTRAINT_ERROR_INFO = (1 << 28),
2277 ES_PORT_RCV_SWITCH_RELAY_ERROR_INFO = (1 << 27),
2278 ES_UNCORRECTABLE_ERROR_INFO = (1 << 26),
2279 ES_FM_CONFIG_ERROR_INFO = (1 << 25)
2282 static int pma_get_opa_classportinfo(struct opa_pma_mad *pmp,
2283 struct ib_device *ibdev, u32 *resp_len)
2285 struct opa_class_port_info *p =
2286 (struct opa_class_port_info *)pmp->data;
2288 memset(pmp->data, 0, sizeof(pmp->data));
2290 if (pmp->mad_hdr.attr_mod != 0)
2291 pmp->mad_hdr.status |= IB_SMP_INVALID_FIELD;
2293 p->base_version = OPA_MGMT_BASE_VERSION;
2294 p->class_version = OPA_SMI_CLASS_VERSION;
2296 * Expected response time is 4.096 usec. * 2^18 == 1.073741824 sec.
2298 p->cap_mask2_resp_time = cpu_to_be32(18);
2301 *resp_len += sizeof(*p);
2303 return reply((struct ib_mad_hdr *)pmp);
2306 static void a0_portstatus(struct hfi1_pportdata *ppd,
2307 struct opa_port_status_rsp *rsp, u32 vl_select_mask)
2309 if (!is_bx(ppd->dd)) {
2311 u64 sum_vl_xmit_wait = 0;
2312 u32 vl_all_mask = VL_MASK_ALL;
2314 for_each_set_bit(vl, (unsigned long *)&(vl_all_mask),
2315 8 * sizeof(vl_all_mask)) {
2316 u64 tmp = sum_vl_xmit_wait +
2317 read_port_cntr(ppd, C_TX_WAIT_VL,
2319 if (tmp < sum_vl_xmit_wait) {
2321 sum_vl_xmit_wait = (u64)~0;
2324 sum_vl_xmit_wait = tmp;
2326 if (be64_to_cpu(rsp->port_xmit_wait) > sum_vl_xmit_wait)
2327 rsp->port_xmit_wait = cpu_to_be64(sum_vl_xmit_wait);
2331 static int pma_get_opa_portstatus(struct opa_pma_mad *pmp,
2332 struct ib_device *ibdev,
2333 u8 port, u32 *resp_len)
2335 struct opa_port_status_req *req =
2336 (struct opa_port_status_req *)pmp->data;
2337 struct hfi1_devdata *dd = dd_from_ibdev(ibdev);
2338 struct opa_port_status_rsp *rsp;
2339 u32 vl_select_mask = be32_to_cpu(req->vl_select_mask);
2341 size_t response_data_size;
2342 u32 nports = be32_to_cpu(pmp->mad_hdr.attr_mod) >> 24;
2343 u8 port_num = req->port_num;
2344 u8 num_vls = hweight32(vl_select_mask);
2345 struct _vls_pctrs *vlinfo;
2346 struct hfi1_ibport *ibp = to_iport(ibdev, port);
2347 struct hfi1_pportdata *ppd = ppd_from_ibp(ibp);
2351 response_data_size = sizeof(struct opa_port_status_rsp) +
2352 num_vls * sizeof(struct _vls_pctrs);
2353 if (response_data_size > sizeof(pmp->data)) {
2354 pmp->mad_hdr.status |= OPA_PM_STATUS_REQUEST_TOO_LARGE;
2355 return reply((struct ib_mad_hdr *)pmp);
2358 if (nports != 1 || (port_num && port_num != port) ||
2359 num_vls > OPA_MAX_VLS || (vl_select_mask & ~VL_MASK_ALL)) {
2360 pmp->mad_hdr.status |= IB_SMP_INVALID_FIELD;
2361 return reply((struct ib_mad_hdr *)pmp);
2364 memset(pmp->data, 0, sizeof(pmp->data));
2366 rsp = (struct opa_port_status_rsp *)pmp->data;
2368 rsp->port_num = port_num;
2370 rsp->port_num = port;
2372 rsp->port_rcv_constraint_errors =
2373 cpu_to_be64(read_port_cntr(ppd, C_SW_RCV_CSTR_ERR,
2376 hfi1_read_link_quality(dd, &rsp->link_quality_indicator);
2378 rsp->vl_select_mask = cpu_to_be32(vl_select_mask);
2379 rsp->port_xmit_data = cpu_to_be64(read_dev_cntr(dd, C_DC_XMIT_FLITS,
2381 rsp->port_rcv_data = cpu_to_be64(read_dev_cntr(dd, C_DC_RCV_FLITS,
2383 rsp->port_xmit_pkts = cpu_to_be64(read_dev_cntr(dd, C_DC_XMIT_PKTS,
2385 rsp->port_rcv_pkts = cpu_to_be64(read_dev_cntr(dd, C_DC_RCV_PKTS,
2387 rsp->port_multicast_xmit_pkts =
2388 cpu_to_be64(read_dev_cntr(dd, C_DC_MC_XMIT_PKTS,
2390 rsp->port_multicast_rcv_pkts =
2391 cpu_to_be64(read_dev_cntr(dd, C_DC_MC_RCV_PKTS,
2393 rsp->port_xmit_wait =
2394 cpu_to_be64(read_port_cntr(ppd, C_TX_WAIT, CNTR_INVALID_VL));
2395 rsp->port_rcv_fecn =
2396 cpu_to_be64(read_dev_cntr(dd, C_DC_RCV_FCN, CNTR_INVALID_VL));
2397 rsp->port_rcv_becn =
2398 cpu_to_be64(read_dev_cntr(dd, C_DC_RCV_BCN, CNTR_INVALID_VL));
2399 rsp->port_xmit_discards =
2400 cpu_to_be64(read_port_cntr(ppd, C_SW_XMIT_DSCD,
2402 rsp->port_xmit_constraint_errors =
2403 cpu_to_be64(read_port_cntr(ppd, C_SW_XMIT_CSTR_ERR,
2405 rsp->port_rcv_remote_physical_errors =
2406 cpu_to_be64(read_dev_cntr(dd, C_DC_RMT_PHY_ERR,
2408 tmp = read_dev_cntr(dd, C_DC_RX_REPLAY, CNTR_INVALID_VL);
2409 tmp2 = tmp + read_dev_cntr(dd, C_DC_TX_REPLAY, CNTR_INVALID_VL);
2411 /* overflow/wrapped */
2412 rsp->local_link_integrity_errors = cpu_to_be64(~0);
2414 rsp->local_link_integrity_errors = cpu_to_be64(tmp2);
2416 tmp = read_dev_cntr(dd, C_DC_SEQ_CRC_CNT, CNTR_INVALID_VL);
2417 tmp2 = tmp + read_dev_cntr(dd, C_DC_REINIT_FROM_PEER_CNT,
2419 if (tmp2 > (u32)UINT_MAX || tmp2 < tmp) {
2420 /* overflow/wrapped */
2421 rsp->link_error_recovery = cpu_to_be32(~0);
2423 rsp->link_error_recovery = cpu_to_be32(tmp2);
2425 rsp->port_rcv_errors =
2426 cpu_to_be64(read_dev_cntr(dd, C_DC_RCV_ERR, CNTR_INVALID_VL));
2427 rsp->excessive_buffer_overruns =
2428 cpu_to_be64(read_dev_cntr(dd, C_RCV_OVF, CNTR_INVALID_VL));
2429 rsp->fm_config_errors =
2430 cpu_to_be64(read_dev_cntr(dd, C_DC_FM_CFG_ERR,
2432 rsp->link_downed = cpu_to_be32(read_port_cntr(ppd, C_SW_LINK_DOWN,
2435 /* rsp->uncorrectable_errors is 8 bits wide, and it pegs at 0xff */
2436 tmp = read_dev_cntr(dd, C_DC_UNC_ERR, CNTR_INVALID_VL);
2437 rsp->uncorrectable_errors = tmp < 0x100 ? (tmp & 0xff) : 0xff;
2439 vlinfo = &rsp->vls[0];
2441 /* The vl_select_mask has been checked above, and we know
2442 * that it contains only entries which represent valid VLs.
2443 * So in the for_each_set_bit() loop below, we don't need
2444 * any additional checks for vl.
2446 for_each_set_bit(vl, (unsigned long *)&(vl_select_mask),
2447 8 * sizeof(vl_select_mask)) {
2448 memset(vlinfo, 0, sizeof(*vlinfo));
2450 tmp = read_dev_cntr(dd, C_DC_RX_FLIT_VL, idx_from_vl(vl));
2451 rsp->vls[vfi].port_vl_rcv_data = cpu_to_be64(tmp);
2453 rsp->vls[vfi].port_vl_rcv_pkts =
2454 cpu_to_be64(read_dev_cntr(dd, C_DC_RX_PKT_VL,
2457 rsp->vls[vfi].port_vl_xmit_data =
2458 cpu_to_be64(read_port_cntr(ppd, C_TX_FLIT_VL,
2461 rsp->vls[vfi].port_vl_xmit_pkts =
2462 cpu_to_be64(read_port_cntr(ppd, C_TX_PKT_VL,
2465 rsp->vls[vfi].port_vl_xmit_wait =
2466 cpu_to_be64(read_port_cntr(ppd, C_TX_WAIT_VL,
2469 rsp->vls[vfi].port_vl_rcv_fecn =
2470 cpu_to_be64(read_dev_cntr(dd, C_DC_RCV_FCN_VL,
2473 rsp->vls[vfi].port_vl_rcv_becn =
2474 cpu_to_be64(read_dev_cntr(dd, C_DC_RCV_BCN_VL,
2481 a0_portstatus(ppd, rsp, vl_select_mask);
2484 *resp_len += response_data_size;
2486 return reply((struct ib_mad_hdr *)pmp);
2489 static u64 get_error_counter_summary(struct ib_device *ibdev, u8 port,
2490 u8 res_lli, u8 res_ler)
2492 struct hfi1_devdata *dd = dd_from_ibdev(ibdev);
2493 struct hfi1_ibport *ibp = to_iport(ibdev, port);
2494 struct hfi1_pportdata *ppd = ppd_from_ibp(ibp);
2495 u64 error_counter_summary = 0, tmp;
2497 error_counter_summary += read_port_cntr(ppd, C_SW_RCV_CSTR_ERR,
2499 /* port_rcv_switch_relay_errors is 0 for HFIs */
2500 error_counter_summary += read_port_cntr(ppd, C_SW_XMIT_DSCD,
2502 error_counter_summary += read_port_cntr(ppd, C_SW_XMIT_CSTR_ERR,
2504 error_counter_summary += read_dev_cntr(dd, C_DC_RMT_PHY_ERR,
2506 /* local link integrity must be right-shifted by the lli resolution */
2507 tmp = read_dev_cntr(dd, C_DC_RX_REPLAY, CNTR_INVALID_VL);
2508 tmp += read_dev_cntr(dd, C_DC_TX_REPLAY, CNTR_INVALID_VL);
2509 error_counter_summary += (tmp >> res_lli);
2510 /* link error recovery must b right-shifted by the ler resolution */
2511 tmp = read_dev_cntr(dd, C_DC_SEQ_CRC_CNT, CNTR_INVALID_VL);
2512 tmp += read_dev_cntr(dd, C_DC_REINIT_FROM_PEER_CNT, CNTR_INVALID_VL);
2513 error_counter_summary += (tmp >> res_ler);
2514 error_counter_summary += read_dev_cntr(dd, C_DC_RCV_ERR,
2516 error_counter_summary += read_dev_cntr(dd, C_RCV_OVF, CNTR_INVALID_VL);
2517 error_counter_summary += read_dev_cntr(dd, C_DC_FM_CFG_ERR,
2519 /* ppd->link_downed is a 32-bit value */
2520 error_counter_summary += read_port_cntr(ppd, C_SW_LINK_DOWN,
2522 tmp = read_dev_cntr(dd, C_DC_UNC_ERR, CNTR_INVALID_VL);
2523 /* this is an 8-bit quantity */
2524 error_counter_summary += tmp < 0x100 ? (tmp & 0xff) : 0xff;
2526 return error_counter_summary;
2529 static void a0_datacounters(struct hfi1_pportdata *ppd, struct _port_dctrs *rsp,
2532 if (!is_bx(ppd->dd)) {
2534 u64 sum_vl_xmit_wait = 0;
2535 u32 vl_all_mask = VL_MASK_ALL;
2537 for_each_set_bit(vl, (unsigned long *)&(vl_all_mask),
2538 8 * sizeof(vl_all_mask)) {
2539 u64 tmp = sum_vl_xmit_wait +
2540 read_port_cntr(ppd, C_TX_WAIT_VL,
2542 if (tmp < sum_vl_xmit_wait) {
2544 sum_vl_xmit_wait = (u64)~0;
2547 sum_vl_xmit_wait = tmp;
2549 if (be64_to_cpu(rsp->port_xmit_wait) > sum_vl_xmit_wait)
2550 rsp->port_xmit_wait = cpu_to_be64(sum_vl_xmit_wait);
2554 static void pma_get_opa_port_dctrs(struct ib_device *ibdev,
2555 struct _port_dctrs *rsp)
2557 struct hfi1_devdata *dd = dd_from_ibdev(ibdev);
2559 rsp->port_xmit_data = cpu_to_be64(read_dev_cntr(dd, C_DC_XMIT_FLITS,
2561 rsp->port_rcv_data = cpu_to_be64(read_dev_cntr(dd, C_DC_RCV_FLITS,
2563 rsp->port_xmit_pkts = cpu_to_be64(read_dev_cntr(dd, C_DC_XMIT_PKTS,
2565 rsp->port_rcv_pkts = cpu_to_be64(read_dev_cntr(dd, C_DC_RCV_PKTS,
2567 rsp->port_multicast_xmit_pkts =
2568 cpu_to_be64(read_dev_cntr(dd, C_DC_MC_XMIT_PKTS,
2570 rsp->port_multicast_rcv_pkts =
2571 cpu_to_be64(read_dev_cntr(dd, C_DC_MC_RCV_PKTS,
2575 static int pma_get_opa_datacounters(struct opa_pma_mad *pmp,
2576 struct ib_device *ibdev,
2577 u8 port, u32 *resp_len)
2579 struct opa_port_data_counters_msg *req =
2580 (struct opa_port_data_counters_msg *)pmp->data;
2581 struct hfi1_devdata *dd = dd_from_ibdev(ibdev);
2582 struct hfi1_ibport *ibp = to_iport(ibdev, port);
2583 struct hfi1_pportdata *ppd = ppd_from_ibp(ibp);
2584 struct _port_dctrs *rsp;
2585 struct _vls_dctrs *vlinfo;
2586 size_t response_data_size;
2590 u8 res_lli, res_ler;
2592 unsigned long port_num;
2597 num_ports = be32_to_cpu(pmp->mad_hdr.attr_mod) >> 24;
2598 num_pslm = hweight64(be64_to_cpu(req->port_select_mask[3]));
2599 num_vls = hweight32(be32_to_cpu(req->vl_select_mask));
2600 vl_select_mask = be32_to_cpu(req->vl_select_mask);
2601 res_lli = (u8)(be32_to_cpu(req->resolution) & MSK_LLI) >> MSK_LLI_SFT;
2602 res_lli = res_lli ? res_lli + ADD_LLI : 0;
2603 res_ler = (u8)(be32_to_cpu(req->resolution) & MSK_LER) >> MSK_LER_SFT;
2604 res_ler = res_ler ? res_ler + ADD_LER : 0;
2606 if (num_ports != 1 || (vl_select_mask & ~VL_MASK_ALL)) {
2607 pmp->mad_hdr.status |= IB_SMP_INVALID_FIELD;
2608 return reply((struct ib_mad_hdr *)pmp);
2612 response_data_size = sizeof(struct opa_port_data_counters_msg) +
2613 num_vls * sizeof(struct _vls_dctrs);
2615 if (response_data_size > sizeof(pmp->data)) {
2616 pmp->mad_hdr.status |= IB_SMP_INVALID_FIELD;
2617 return reply((struct ib_mad_hdr *)pmp);
2621 * The bit set in the mask needs to be consistent with the
2622 * port the request came in on.
2624 port_mask = be64_to_cpu(req->port_select_mask[3]);
2625 port_num = find_first_bit((unsigned long *)&port_mask,
2628 if ((u8)port_num != port) {
2629 pmp->mad_hdr.status |= IB_SMP_INVALID_FIELD;
2630 return reply((struct ib_mad_hdr *)pmp);
2633 rsp = (struct _port_dctrs *)&req->port[0];
2634 memset(rsp, 0, sizeof(*rsp));
2636 rsp->port_number = port;
2638 * Note that link_quality_indicator is a 32 bit quantity in
2639 * 'datacounters' queries (as opposed to 'portinfo' queries,
2640 * where it's a byte).
2642 hfi1_read_link_quality(dd, &lq);
2643 rsp->link_quality_indicator = cpu_to_be32((u32)lq);
2644 pma_get_opa_port_dctrs(ibdev, rsp);
2646 rsp->port_xmit_wait =
2647 cpu_to_be64(read_port_cntr(ppd, C_TX_WAIT, CNTR_INVALID_VL));
2648 rsp->port_rcv_fecn =
2649 cpu_to_be64(read_dev_cntr(dd, C_DC_RCV_FCN, CNTR_INVALID_VL));
2650 rsp->port_rcv_becn =
2651 cpu_to_be64(read_dev_cntr(dd, C_DC_RCV_BCN, CNTR_INVALID_VL));
2652 rsp->port_error_counter_summary =
2653 cpu_to_be64(get_error_counter_summary(ibdev, port,
2656 vlinfo = &rsp->vls[0];
2658 /* The vl_select_mask has been checked above, and we know
2659 * that it contains only entries which represent valid VLs.
2660 * So in the for_each_set_bit() loop below, we don't need
2661 * any additional checks for vl.
2663 for_each_set_bit(vl, (unsigned long *)&(vl_select_mask),
2664 8 * sizeof(req->vl_select_mask)) {
2665 memset(vlinfo, 0, sizeof(*vlinfo));
2667 rsp->vls[vfi].port_vl_xmit_data =
2668 cpu_to_be64(read_port_cntr(ppd, C_TX_FLIT_VL,
2671 rsp->vls[vfi].port_vl_rcv_data =
2672 cpu_to_be64(read_dev_cntr(dd, C_DC_RX_FLIT_VL,
2675 rsp->vls[vfi].port_vl_xmit_pkts =
2676 cpu_to_be64(read_port_cntr(ppd, C_TX_PKT_VL,
2679 rsp->vls[vfi].port_vl_rcv_pkts =
2680 cpu_to_be64(read_dev_cntr(dd, C_DC_RX_PKT_VL,
2683 rsp->vls[vfi].port_vl_xmit_wait =
2684 cpu_to_be64(read_port_cntr(ppd, C_TX_WAIT_VL,
2687 rsp->vls[vfi].port_vl_rcv_fecn =
2688 cpu_to_be64(read_dev_cntr(dd, C_DC_RCV_FCN_VL,
2690 rsp->vls[vfi].port_vl_rcv_becn =
2691 cpu_to_be64(read_dev_cntr(dd, C_DC_RCV_BCN_VL,
2694 /* rsp->port_vl_xmit_time_cong is 0 for HFIs */
2695 /* rsp->port_vl_xmit_wasted_bw ??? */
2696 /* port_vl_xmit_wait_data - TXE (table 13-9 HFI spec) ???
2697 * does this differ from rsp->vls[vfi].port_vl_xmit_wait
2699 /*rsp->vls[vfi].port_vl_mark_fecn =
2700 * cpu_to_be64(read_csr(dd, DCC_PRF_PORT_VL_MARK_FECN_CNT
2707 a0_datacounters(ppd, rsp, vl_select_mask);
2710 *resp_len += response_data_size;
2712 return reply((struct ib_mad_hdr *)pmp);
2715 static int pma_get_ib_portcounters_ext(struct ib_pma_mad *pmp,
2716 struct ib_device *ibdev, u8 port)
2718 struct ib_pma_portcounters_ext *p = (struct ib_pma_portcounters_ext *)
2720 struct _port_dctrs rsp;
2722 if (pmp->mad_hdr.attr_mod != 0 || p->port_select != port) {
2723 pmp->mad_hdr.status |= IB_SMP_INVALID_FIELD;
2727 memset(&rsp, 0, sizeof(rsp));
2728 pma_get_opa_port_dctrs(ibdev, &rsp);
2730 p->port_xmit_data = rsp.port_xmit_data;
2731 p->port_rcv_data = rsp.port_rcv_data;
2732 p->port_xmit_packets = rsp.port_xmit_pkts;
2733 p->port_rcv_packets = rsp.port_rcv_pkts;
2734 p->port_unicast_xmit_packets = 0;
2735 p->port_unicast_rcv_packets = 0;
2736 p->port_multicast_xmit_packets = rsp.port_multicast_xmit_pkts;
2737 p->port_multicast_rcv_packets = rsp.port_multicast_rcv_pkts;
2740 return reply((struct ib_mad_hdr *)pmp);
2743 static void pma_get_opa_port_ectrs(struct ib_device *ibdev,
2744 struct _port_ectrs *rsp, u8 port)
2747 struct hfi1_devdata *dd = dd_from_ibdev(ibdev);
2748 struct hfi1_ibport *ibp = to_iport(ibdev, port);
2749 struct hfi1_pportdata *ppd = ppd_from_ibp(ibp);
2751 tmp = read_dev_cntr(dd, C_DC_SEQ_CRC_CNT, CNTR_INVALID_VL);
2752 tmp2 = tmp + read_dev_cntr(dd, C_DC_REINIT_FROM_PEER_CNT,
2754 if (tmp2 > (u32)UINT_MAX || tmp2 < tmp) {
2755 /* overflow/wrapped */
2756 rsp->link_error_recovery = cpu_to_be32(~0);
2758 rsp->link_error_recovery = cpu_to_be32(tmp2);
2761 rsp->link_downed = cpu_to_be32(read_port_cntr(ppd, C_SW_LINK_DOWN,
2763 rsp->port_rcv_errors =
2764 cpu_to_be64(read_dev_cntr(dd, C_DC_RCV_ERR, CNTR_INVALID_VL));
2765 rsp->port_rcv_remote_physical_errors =
2766 cpu_to_be64(read_dev_cntr(dd, C_DC_RMT_PHY_ERR,
2768 rsp->port_rcv_switch_relay_errors = 0;
2769 rsp->port_xmit_discards =
2770 cpu_to_be64(read_port_cntr(ppd, C_SW_XMIT_DSCD,
2772 rsp->port_xmit_constraint_errors =
2773 cpu_to_be64(read_port_cntr(ppd, C_SW_XMIT_CSTR_ERR,
2775 rsp->port_rcv_constraint_errors =
2776 cpu_to_be64(read_port_cntr(ppd, C_SW_RCV_CSTR_ERR,
2778 tmp = read_dev_cntr(dd, C_DC_RX_REPLAY, CNTR_INVALID_VL);
2779 tmp2 = tmp + read_dev_cntr(dd, C_DC_TX_REPLAY, CNTR_INVALID_VL);
2781 /* overflow/wrapped */
2782 rsp->local_link_integrity_errors = cpu_to_be64(~0);
2784 rsp->local_link_integrity_errors = cpu_to_be64(tmp2);
2786 rsp->excessive_buffer_overruns =
2787 cpu_to_be64(read_dev_cntr(dd, C_RCV_OVF, CNTR_INVALID_VL));
2790 static int pma_get_opa_porterrors(struct opa_pma_mad *pmp,
2791 struct ib_device *ibdev,
2792 u8 port, u32 *resp_len)
2794 size_t response_data_size;
2795 struct _port_ectrs *rsp;
2797 struct opa_port_error_counters64_msg *req;
2798 struct hfi1_devdata *dd = dd_from_ibdev(ibdev);
2802 struct hfi1_ibport *ibp;
2803 struct hfi1_pportdata *ppd;
2804 struct _vls_ectrs *vlinfo;
2810 req = (struct opa_port_error_counters64_msg *)pmp->data;
2812 num_ports = be32_to_cpu(pmp->mad_hdr.attr_mod) >> 24;
2814 num_pslm = hweight64(be64_to_cpu(req->port_select_mask[3]));
2815 num_vls = hweight32(be32_to_cpu(req->vl_select_mask));
2817 if (num_ports != 1 || num_ports != num_pslm) {
2818 pmp->mad_hdr.status |= IB_SMP_INVALID_FIELD;
2819 return reply((struct ib_mad_hdr *)pmp);
2822 response_data_size = sizeof(struct opa_port_error_counters64_msg) +
2823 num_vls * sizeof(struct _vls_ectrs);
2825 if (response_data_size > sizeof(pmp->data)) {
2826 pmp->mad_hdr.status |= IB_SMP_INVALID_FIELD;
2827 return reply((struct ib_mad_hdr *)pmp);
2830 * The bit set in the mask needs to be consistent with the
2831 * port the request came in on.
2833 port_mask = be64_to_cpu(req->port_select_mask[3]);
2834 port_num = find_first_bit((unsigned long *)&port_mask,
2837 if (port_num != port) {
2838 pmp->mad_hdr.status |= IB_SMP_INVALID_FIELD;
2839 return reply((struct ib_mad_hdr *)pmp);
2842 rsp = (struct _port_ectrs *)&req->port[0];
2844 ibp = to_iport(ibdev, port_num);
2845 ppd = ppd_from_ibp(ibp);
2847 memset(rsp, 0, sizeof(*rsp));
2848 rsp->port_number = port_num;
2850 pma_get_opa_port_ectrs(ibdev, rsp, port_num);
2852 rsp->port_rcv_remote_physical_errors =
2853 cpu_to_be64(read_dev_cntr(dd, C_DC_RMT_PHY_ERR,
2855 rsp->fm_config_errors =
2856 cpu_to_be64(read_dev_cntr(dd, C_DC_FM_CFG_ERR,
2858 tmp = read_dev_cntr(dd, C_DC_UNC_ERR, CNTR_INVALID_VL);
2860 rsp->uncorrectable_errors = tmp < 0x100 ? (tmp & 0xff) : 0xff;
2862 vlinfo = (struct _vls_ectrs *)&rsp->vls[0];
2864 vl_select_mask = be32_to_cpu(req->vl_select_mask);
2865 for_each_set_bit(vl, (unsigned long *)&(vl_select_mask),
2866 8 * sizeof(req->vl_select_mask)) {
2867 memset(vlinfo, 0, sizeof(*vlinfo));
2868 /* vlinfo->vls[vfi].port_vl_xmit_discards ??? */
2874 *resp_len += response_data_size;
2876 return reply((struct ib_mad_hdr *)pmp);
2879 static int pma_get_ib_portcounters(struct ib_pma_mad *pmp,
2880 struct ib_device *ibdev, u8 port)
2882 struct ib_pma_portcounters *p = (struct ib_pma_portcounters *)
2884 struct _port_ectrs rsp;
2885 u64 temp_link_overrun_errors;
2889 memset(&rsp, 0, sizeof(rsp));
2890 pma_get_opa_port_ectrs(ibdev, &rsp, port);
2892 if (pmp->mad_hdr.attr_mod != 0 || p->port_select != port) {
2893 pmp->mad_hdr.status |= IB_SMP_INVALID_FIELD;
2897 p->symbol_error_counter = 0; /* N/A for OPA */
2899 temp_32 = be32_to_cpu(rsp.link_error_recovery);
2900 if (temp_32 > 0xFFUL)
2901 p->link_error_recovery_counter = 0xFF;
2903 p->link_error_recovery_counter = (u8)temp_32;
2905 temp_32 = be32_to_cpu(rsp.link_downed);
2906 if (temp_32 > 0xFFUL)
2907 p->link_downed_counter = 0xFF;
2909 p->link_downed_counter = (u8)temp_32;
2911 temp_64 = be64_to_cpu(rsp.port_rcv_errors);
2912 if (temp_64 > 0xFFFFUL)
2913 p->port_rcv_errors = cpu_to_be16(0xFFFF);
2915 p->port_rcv_errors = cpu_to_be16((u16)temp_64);
2917 temp_64 = be64_to_cpu(rsp.port_rcv_remote_physical_errors);
2918 if (temp_64 > 0xFFFFUL)
2919 p->port_rcv_remphys_errors = cpu_to_be16(0xFFFF);
2921 p->port_rcv_remphys_errors = cpu_to_be16((u16)temp_64);
2923 temp_64 = be64_to_cpu(rsp.port_rcv_switch_relay_errors);
2924 p->port_rcv_switch_relay_errors = cpu_to_be16((u16)temp_64);
2926 temp_64 = be64_to_cpu(rsp.port_xmit_discards);
2927 if (temp_64 > 0xFFFFUL)
2928 p->port_xmit_discards = cpu_to_be16(0xFFFF);
2930 p->port_xmit_discards = cpu_to_be16((u16)temp_64);
2932 temp_64 = be64_to_cpu(rsp.port_xmit_constraint_errors);
2933 if (temp_64 > 0xFFUL)
2934 p->port_xmit_constraint_errors = 0xFF;
2936 p->port_xmit_constraint_errors = (u8)temp_64;
2938 temp_64 = be64_to_cpu(rsp.port_rcv_constraint_errors);
2939 if (temp_64 > 0xFFUL)
2940 p->port_rcv_constraint_errors = 0xFFUL;
2942 p->port_rcv_constraint_errors = (u8)temp_64;
2944 /* LocalLink: 7:4, BufferOverrun: 3:0 */
2945 temp_64 = be64_to_cpu(rsp.local_link_integrity_errors);
2946 if (temp_64 > 0xFUL)
2949 temp_link_overrun_errors = temp_64 << 4;
2951 temp_64 = be64_to_cpu(rsp.excessive_buffer_overruns);
2952 if (temp_64 > 0xFUL)
2954 temp_link_overrun_errors |= temp_64;
2956 p->link_overrun_errors = (u8)temp_link_overrun_errors;
2958 p->vl15_dropped = 0; /* N/A for OPA */
2961 return reply((struct ib_mad_hdr *)pmp);
2964 static int pma_get_opa_errorinfo(struct opa_pma_mad *pmp,
2965 struct ib_device *ibdev,
2966 u8 port, u32 *resp_len)
2968 size_t response_data_size;
2969 struct _port_ei *rsp;
2970 struct opa_port_error_info_msg *req;
2971 struct hfi1_devdata *dd = dd_from_ibdev(ibdev);
2978 req = (struct opa_port_error_info_msg *)pmp->data;
2979 rsp = (struct _port_ei *)&req->port[0];
2981 num_ports = OPA_AM_NPORT(be32_to_cpu(pmp->mad_hdr.attr_mod));
2982 num_pslm = hweight64(be64_to_cpu(req->port_select_mask[3]));
2984 memset(rsp, 0, sizeof(*rsp));
2986 if (num_ports != 1 || num_ports != num_pslm) {
2987 pmp->mad_hdr.status |= IB_SMP_INVALID_FIELD;
2988 return reply((struct ib_mad_hdr *)pmp);
2992 response_data_size = sizeof(struct opa_port_error_info_msg);
2994 if (response_data_size > sizeof(pmp->data)) {
2995 pmp->mad_hdr.status |= IB_SMP_INVALID_FIELD;
2996 return reply((struct ib_mad_hdr *)pmp);
3000 * The bit set in the mask needs to be consistent with the port
3001 * the request came in on.
3003 port_mask = be64_to_cpu(req->port_select_mask[3]);
3004 port_num = find_first_bit((unsigned long *)&port_mask,
3007 if (port_num != port) {
3008 pmp->mad_hdr.status |= IB_SMP_INVALID_FIELD;
3009 return reply((struct ib_mad_hdr *)pmp);
3012 /* PortRcvErrorInfo */
3013 rsp->port_rcv_ei.status_and_code =
3014 dd->err_info_rcvport.status_and_code;
3015 memcpy(&rsp->port_rcv_ei.ei.ei1to12.packet_flit1,
3016 &dd->err_info_rcvport.packet_flit1, sizeof(u64));
3017 memcpy(&rsp->port_rcv_ei.ei.ei1to12.packet_flit2,
3018 &dd->err_info_rcvport.packet_flit2, sizeof(u64));
3020 /* ExcessiverBufferOverrunInfo */
3021 reg = read_csr(dd, RCV_ERR_INFO);
3022 if (reg & RCV_ERR_INFO_RCV_EXCESS_BUFFER_OVERRUN_SMASK) {
3024 * if the RcvExcessBufferOverrun bit is set, save SC of
3025 * first pkt that encountered an excess buffer overrun
3029 tmp &= RCV_ERR_INFO_RCV_EXCESS_BUFFER_OVERRUN_SC_SMASK;
3031 rsp->excessive_buffer_overrun_ei.status_and_sc = tmp;
3032 /* set the status bit */
3033 rsp->excessive_buffer_overrun_ei.status_and_sc |= 0x80;
3036 rsp->port_xmit_constraint_ei.status =
3037 dd->err_info_xmit_constraint.status;
3038 rsp->port_xmit_constraint_ei.pkey =
3039 cpu_to_be16(dd->err_info_xmit_constraint.pkey);
3040 rsp->port_xmit_constraint_ei.slid =
3041 cpu_to_be32(dd->err_info_xmit_constraint.slid);
3043 rsp->port_rcv_constraint_ei.status =
3044 dd->err_info_rcv_constraint.status;
3045 rsp->port_rcv_constraint_ei.pkey =
3046 cpu_to_be16(dd->err_info_rcv_constraint.pkey);
3047 rsp->port_rcv_constraint_ei.slid =
3048 cpu_to_be32(dd->err_info_rcv_constraint.slid);
3050 /* UncorrectableErrorInfo */
3051 rsp->uncorrectable_ei.status_and_code = dd->err_info_uncorrectable;
3053 /* FMConfigErrorInfo */
3054 rsp->fm_config_ei.status_and_code = dd->err_info_fmconfig;
3057 *resp_len += response_data_size;
3059 return reply((struct ib_mad_hdr *)pmp);
3062 static int pma_set_opa_portstatus(struct opa_pma_mad *pmp,
3063 struct ib_device *ibdev,
3064 u8 port, u32 *resp_len)
3066 struct opa_clear_port_status *req =
3067 (struct opa_clear_port_status *)pmp->data;
3068 struct hfi1_devdata *dd = dd_from_ibdev(ibdev);
3069 struct hfi1_ibport *ibp = to_iport(ibdev, port);
3070 struct hfi1_pportdata *ppd = ppd_from_ibp(ibp);
3071 u32 nports = be32_to_cpu(pmp->mad_hdr.attr_mod) >> 24;
3072 u64 portn = be64_to_cpu(req->port_select_mask[3]);
3073 u32 counter_select = be32_to_cpu(req->counter_select_mask);
3074 u32 vl_select_mask = VL_MASK_ALL; /* clear all per-vl cnts */
3077 if ((nports != 1) || (portn != 1 << port)) {
3078 pmp->mad_hdr.status |= IB_SMP_INVALID_FIELD;
3079 return reply((struct ib_mad_hdr *)pmp);
3082 * only counters returned by pma_get_opa_portstatus() are
3083 * handled, so when pma_get_opa_portstatus() gets a fix,
3084 * the corresponding change should be made here as well.
3087 if (counter_select & CS_PORT_XMIT_DATA)
3088 write_dev_cntr(dd, C_DC_XMIT_FLITS, CNTR_INVALID_VL, 0);
3090 if (counter_select & CS_PORT_RCV_DATA)
3091 write_dev_cntr(dd, C_DC_RCV_FLITS, CNTR_INVALID_VL, 0);
3093 if (counter_select & CS_PORT_XMIT_PKTS)
3094 write_dev_cntr(dd, C_DC_XMIT_PKTS, CNTR_INVALID_VL, 0);
3096 if (counter_select & CS_PORT_RCV_PKTS)
3097 write_dev_cntr(dd, C_DC_RCV_PKTS, CNTR_INVALID_VL, 0);
3099 if (counter_select & CS_PORT_MCAST_XMIT_PKTS)
3100 write_dev_cntr(dd, C_DC_MC_XMIT_PKTS, CNTR_INVALID_VL, 0);
3102 if (counter_select & CS_PORT_MCAST_RCV_PKTS)
3103 write_dev_cntr(dd, C_DC_MC_RCV_PKTS, CNTR_INVALID_VL, 0);
3105 if (counter_select & CS_PORT_XMIT_WAIT)
3106 write_port_cntr(ppd, C_TX_WAIT, CNTR_INVALID_VL, 0);
3108 /* ignore cs_sw_portCongestion for HFIs */
3110 if (counter_select & CS_PORT_RCV_FECN)
3111 write_dev_cntr(dd, C_DC_RCV_FCN, CNTR_INVALID_VL, 0);
3113 if (counter_select & CS_PORT_RCV_BECN)
3114 write_dev_cntr(dd, C_DC_RCV_BCN, CNTR_INVALID_VL, 0);
3116 /* ignore cs_port_xmit_time_cong for HFIs */
3117 /* ignore cs_port_xmit_wasted_bw for now */
3118 /* ignore cs_port_xmit_wait_data for now */
3119 if (counter_select & CS_PORT_RCV_BUBBLE)
3120 write_dev_cntr(dd, C_DC_RCV_BBL, CNTR_INVALID_VL, 0);
3122 /* Only applicable for switch */
3123 /* if (counter_select & CS_PORT_MARK_FECN)
3124 * write_csr(dd, DCC_PRF_PORT_MARK_FECN_CNT, 0);
3127 if (counter_select & CS_PORT_RCV_CONSTRAINT_ERRORS)
3128 write_port_cntr(ppd, C_SW_RCV_CSTR_ERR, CNTR_INVALID_VL, 0);
3130 /* ignore cs_port_rcv_switch_relay_errors for HFIs */
3131 if (counter_select & CS_PORT_XMIT_DISCARDS)
3132 write_port_cntr(ppd, C_SW_XMIT_DSCD, CNTR_INVALID_VL, 0);
3134 if (counter_select & CS_PORT_XMIT_CONSTRAINT_ERRORS)
3135 write_port_cntr(ppd, C_SW_XMIT_CSTR_ERR, CNTR_INVALID_VL, 0);
3137 if (counter_select & CS_PORT_RCV_REMOTE_PHYSICAL_ERRORS)
3138 write_dev_cntr(dd, C_DC_RMT_PHY_ERR, CNTR_INVALID_VL, 0);
3140 if (counter_select & CS_LOCAL_LINK_INTEGRITY_ERRORS) {
3141 write_dev_cntr(dd, C_DC_TX_REPLAY, CNTR_INVALID_VL, 0);
3142 write_dev_cntr(dd, C_DC_RX_REPLAY, CNTR_INVALID_VL, 0);
3145 if (counter_select & CS_LINK_ERROR_RECOVERY) {
3146 write_dev_cntr(dd, C_DC_SEQ_CRC_CNT, CNTR_INVALID_VL, 0);
3147 write_dev_cntr(dd, C_DC_REINIT_FROM_PEER_CNT,
3148 CNTR_INVALID_VL, 0);
3151 if (counter_select & CS_PORT_RCV_ERRORS)
3152 write_dev_cntr(dd, C_DC_RCV_ERR, CNTR_INVALID_VL, 0);
3154 if (counter_select & CS_EXCESSIVE_BUFFER_OVERRUNS) {
3155 write_dev_cntr(dd, C_RCV_OVF, CNTR_INVALID_VL, 0);
3156 dd->rcv_ovfl_cnt = 0;
3159 if (counter_select & CS_FM_CONFIG_ERRORS)
3160 write_dev_cntr(dd, C_DC_FM_CFG_ERR, CNTR_INVALID_VL, 0);
3162 if (counter_select & CS_LINK_DOWNED)
3163 write_port_cntr(ppd, C_SW_LINK_DOWN, CNTR_INVALID_VL, 0);
3165 if (counter_select & CS_UNCORRECTABLE_ERRORS)
3166 write_dev_cntr(dd, C_DC_UNC_ERR, CNTR_INVALID_VL, 0);
3168 for_each_set_bit(vl, (unsigned long *)&(vl_select_mask),
3169 8 * sizeof(vl_select_mask)) {
3170 if (counter_select & CS_PORT_XMIT_DATA)
3171 write_port_cntr(ppd, C_TX_FLIT_VL, idx_from_vl(vl), 0);
3173 if (counter_select & CS_PORT_RCV_DATA)
3174 write_dev_cntr(dd, C_DC_RX_FLIT_VL, idx_from_vl(vl), 0);
3176 if (counter_select & CS_PORT_XMIT_PKTS)
3177 write_port_cntr(ppd, C_TX_PKT_VL, idx_from_vl(vl), 0);
3179 if (counter_select & CS_PORT_RCV_PKTS)
3180 write_dev_cntr(dd, C_DC_RX_PKT_VL, idx_from_vl(vl), 0);
3182 if (counter_select & CS_PORT_XMIT_WAIT)
3183 write_port_cntr(ppd, C_TX_WAIT_VL, idx_from_vl(vl), 0);
3185 /* sw_port_vl_congestion is 0 for HFIs */
3186 if (counter_select & CS_PORT_RCV_FECN)
3187 write_dev_cntr(dd, C_DC_RCV_FCN_VL, idx_from_vl(vl), 0);
3189 if (counter_select & CS_PORT_RCV_BECN)
3190 write_dev_cntr(dd, C_DC_RCV_BCN_VL, idx_from_vl(vl), 0);
3192 /* port_vl_xmit_time_cong is 0 for HFIs */
3193 /* port_vl_xmit_wasted_bw ??? */
3194 /* port_vl_xmit_wait_data - TXE (table 13-9 HFI spec) ??? */
3195 if (counter_select & CS_PORT_RCV_BUBBLE)
3196 write_dev_cntr(dd, C_DC_RCV_BBL_VL, idx_from_vl(vl), 0);
3198 /* if (counter_select & CS_PORT_MARK_FECN)
3199 * write_csr(dd, DCC_PRF_PORT_VL_MARK_FECN_CNT + offset, 0);
3201 /* port_vl_xmit_discards ??? */
3205 *resp_len += sizeof(*req);
3207 return reply((struct ib_mad_hdr *)pmp);
3210 static int pma_set_opa_errorinfo(struct opa_pma_mad *pmp,
3211 struct ib_device *ibdev,
3212 u8 port, u32 *resp_len)
3214 struct _port_ei *rsp;
3215 struct opa_port_error_info_msg *req;
3216 struct hfi1_devdata *dd = dd_from_ibdev(ibdev);
3221 u32 error_info_select;
3223 req = (struct opa_port_error_info_msg *)pmp->data;
3224 rsp = (struct _port_ei *)&req->port[0];
3226 num_ports = OPA_AM_NPORT(be32_to_cpu(pmp->mad_hdr.attr_mod));
3227 num_pslm = hweight64(be64_to_cpu(req->port_select_mask[3]));
3229 memset(rsp, 0, sizeof(*rsp));
3231 if (num_ports != 1 || num_ports != num_pslm) {
3232 pmp->mad_hdr.status |= IB_SMP_INVALID_FIELD;
3233 return reply((struct ib_mad_hdr *)pmp);
3237 * The bit set in the mask needs to be consistent with the port
3238 * the request came in on.
3240 port_mask = be64_to_cpu(req->port_select_mask[3]);
3241 port_num = find_first_bit((unsigned long *)&port_mask,
3244 if (port_num != port) {
3245 pmp->mad_hdr.status |= IB_SMP_INVALID_FIELD;
3246 return reply((struct ib_mad_hdr *)pmp);
3249 error_info_select = be32_to_cpu(req->error_info_select_mask);
3251 /* PortRcvErrorInfo */
3252 if (error_info_select & ES_PORT_RCV_ERROR_INFO)
3253 /* turn off status bit */
3254 dd->err_info_rcvport.status_and_code &= ~OPA_EI_STATUS_SMASK;
3256 /* ExcessiverBufferOverrunInfo */
3257 if (error_info_select & ES_EXCESSIVE_BUFFER_OVERRUN_INFO)
3259 * status bit is essentially kept in the h/w - bit 5 of
3262 write_csr(dd, RCV_ERR_INFO,
3263 RCV_ERR_INFO_RCV_EXCESS_BUFFER_OVERRUN_SMASK);
3265 if (error_info_select & ES_PORT_XMIT_CONSTRAINT_ERROR_INFO)
3266 dd->err_info_xmit_constraint.status &= ~OPA_EI_STATUS_SMASK;
3268 if (error_info_select & ES_PORT_RCV_CONSTRAINT_ERROR_INFO)
3269 dd->err_info_rcv_constraint.status &= ~OPA_EI_STATUS_SMASK;
3271 /* UncorrectableErrorInfo */
3272 if (error_info_select & ES_UNCORRECTABLE_ERROR_INFO)
3273 /* turn off status bit */
3274 dd->err_info_uncorrectable &= ~OPA_EI_STATUS_SMASK;
3276 /* FMConfigErrorInfo */
3277 if (error_info_select & ES_FM_CONFIG_ERROR_INFO)
3278 /* turn off status bit */
3279 dd->err_info_fmconfig &= ~OPA_EI_STATUS_SMASK;
3282 *resp_len += sizeof(*req);
3284 return reply((struct ib_mad_hdr *)pmp);
3287 struct opa_congestion_info_attr {
3288 __be16 congestion_info;
3289 u8 control_table_cap; /* Multiple of 64 entry unit CCTs */
3290 u8 congestion_log_length;
3293 static int __subn_get_opa_cong_info(struct opa_smp *smp, u32 am, u8 *data,
3294 struct ib_device *ibdev, u8 port,
3297 struct opa_congestion_info_attr *p =
3298 (struct opa_congestion_info_attr *)data;
3299 struct hfi1_ibport *ibp = to_iport(ibdev, port);
3300 struct hfi1_pportdata *ppd = ppd_from_ibp(ibp);
3302 p->congestion_info = 0;
3303 p->control_table_cap = ppd->cc_max_table_entries;
3304 p->congestion_log_length = OPA_CONG_LOG_ELEMS;
3307 *resp_len += sizeof(*p);
3309 return reply((struct ib_mad_hdr *)smp);
3312 static int __subn_get_opa_cong_setting(struct opa_smp *smp, u32 am,
3313 u8 *data, struct ib_device *ibdev,
3314 u8 port, u32 *resp_len)
3317 struct opa_congestion_setting_attr *p =
3318 (struct opa_congestion_setting_attr *)data;
3319 struct hfi1_ibport *ibp = to_iport(ibdev, port);
3320 struct hfi1_pportdata *ppd = ppd_from_ibp(ibp);
3321 struct opa_congestion_setting_entry_shadow *entries;
3322 struct cc_state *cc_state;
3326 cc_state = get_cc_state(ppd);
3330 return reply((struct ib_mad_hdr *)smp);
3333 entries = cc_state->cong_setting.entries;
3334 p->port_control = cpu_to_be16(cc_state->cong_setting.port_control);
3335 p->control_map = cpu_to_be32(cc_state->cong_setting.control_map);
3336 for (i = 0; i < OPA_MAX_SLS; i++) {
3337 p->entries[i].ccti_increase = entries[i].ccti_increase;
3338 p->entries[i].ccti_timer = cpu_to_be16(entries[i].ccti_timer);
3339 p->entries[i].trigger_threshold =
3340 entries[i].trigger_threshold;
3341 p->entries[i].ccti_min = entries[i].ccti_min;
3347 *resp_len += sizeof(*p);
3349 return reply((struct ib_mad_hdr *)smp);
3352 static int __subn_set_opa_cong_setting(struct opa_smp *smp, u32 am, u8 *data,
3353 struct ib_device *ibdev, u8 port,
3356 struct opa_congestion_setting_attr *p =
3357 (struct opa_congestion_setting_attr *)data;
3358 struct hfi1_ibport *ibp = to_iport(ibdev, port);
3359 struct hfi1_pportdata *ppd = ppd_from_ibp(ibp);
3360 struct opa_congestion_setting_entry_shadow *entries;
3363 ppd->cc_sl_control_map = be32_to_cpu(p->control_map);
3365 entries = ppd->congestion_entries;
3366 for (i = 0; i < OPA_MAX_SLS; i++) {
3367 entries[i].ccti_increase = p->entries[i].ccti_increase;
3368 entries[i].ccti_timer = be16_to_cpu(p->entries[i].ccti_timer);
3369 entries[i].trigger_threshold =
3370 p->entries[i].trigger_threshold;
3371 entries[i].ccti_min = p->entries[i].ccti_min;
3374 return __subn_get_opa_cong_setting(smp, am, data, ibdev, port,
3378 static int __subn_get_opa_hfi1_cong_log(struct opa_smp *smp, u32 am,
3379 u8 *data, struct ib_device *ibdev,
3380 u8 port, u32 *resp_len)
3382 struct hfi1_ibport *ibp = to_iport(ibdev, port);
3383 struct hfi1_pportdata *ppd = ppd_from_ibp(ibp);
3384 struct opa_hfi1_cong_log *cong_log = (struct opa_hfi1_cong_log *)data;
3389 smp->status |= IB_SMP_INVALID_FIELD;
3390 return reply((struct ib_mad_hdr *)smp);
3393 spin_lock_irq(&ppd->cc_log_lock);
3395 cong_log->log_type = OPA_CC_LOG_TYPE_HFI;
3396 cong_log->congestion_flags = 0;
3397 cong_log->threshold_event_counter =
3398 cpu_to_be16(ppd->threshold_event_counter);
3399 memcpy(cong_log->threshold_cong_event_map,
3400 ppd->threshold_cong_event_map,
3401 sizeof(cong_log->threshold_cong_event_map));
3402 /* keep timestamp in units of 1.024 usec */
3403 ts = ktime_to_ns(ktime_get()) / 1024;
3404 cong_log->current_time_stamp = cpu_to_be32(ts);
3405 for (i = 0; i < OPA_CONG_LOG_ELEMS; i++) {
3406 struct opa_hfi1_cong_log_event_internal *cce =
3407 &ppd->cc_events[ppd->cc_mad_idx++];
3408 if (ppd->cc_mad_idx == OPA_CONG_LOG_ELEMS)
3409 ppd->cc_mad_idx = 0;
3411 * Entries which are older than twice the time
3412 * required to wrap the counter are supposed to
3413 * be zeroed (CA10-49 IBTA, release 1.2.1, V1).
3415 if ((u64)(ts - cce->timestamp) > (2 * UINT_MAX))
3417 memcpy(cong_log->events[i].local_qp_cn_entry, &cce->lqpn, 3);
3418 memcpy(cong_log->events[i].remote_qp_number_cn_entry,
3420 cong_log->events[i].sl_svc_type_cn_entry =
3421 ((cce->sl & 0x1f) << 3) | (cce->svc_type & 0x7);
3422 cong_log->events[i].remote_lid_cn_entry =
3423 cpu_to_be32(cce->rlid);
3424 cong_log->events[i].timestamp_cn_entry =
3425 cpu_to_be32(cce->timestamp);
3429 * Reset threshold_cong_event_map, and threshold_event_counter
3430 * to 0 when log is read.
3432 memset(ppd->threshold_cong_event_map, 0x0,
3433 sizeof(ppd->threshold_cong_event_map));
3434 ppd->threshold_event_counter = 0;
3436 spin_unlock_irq(&ppd->cc_log_lock);
3439 *resp_len += sizeof(struct opa_hfi1_cong_log);
3441 return reply((struct ib_mad_hdr *)smp);
3444 static int __subn_get_opa_cc_table(struct opa_smp *smp, u32 am, u8 *data,
3445 struct ib_device *ibdev, u8 port,
3448 struct ib_cc_table_attr *cc_table_attr =
3449 (struct ib_cc_table_attr *)data;
3450 struct hfi1_ibport *ibp = to_iport(ibdev, port);
3451 struct hfi1_pportdata *ppd = ppd_from_ibp(ibp);
3452 u32 start_block = OPA_AM_START_BLK(am);
3453 u32 n_blocks = OPA_AM_NBLK(am);
3454 struct ib_cc_table_entry_shadow *entries;
3457 struct cc_state *cc_state;
3459 /* sanity check n_blocks, start_block */
3460 if (n_blocks == 0 ||
3461 start_block + n_blocks > ppd->cc_max_table_entries) {
3462 smp->status |= IB_SMP_INVALID_FIELD;
3463 return reply((struct ib_mad_hdr *)smp);
3468 cc_state = get_cc_state(ppd);
3472 return reply((struct ib_mad_hdr *)smp);
3475 sentry = start_block * IB_CCT_ENTRIES;
3476 eentry = sentry + (IB_CCT_ENTRIES * n_blocks);
3478 cc_table_attr->ccti_limit = cpu_to_be16(cc_state->cct.ccti_limit);
3480 entries = cc_state->cct.entries;
3482 /* return n_blocks, though the last block may not be full */
3483 for (j = 0, i = sentry; i < eentry; j++, i++)
3484 cc_table_attr->ccti_entries[j].entry =
3485 cpu_to_be16(entries[i].entry);
3490 *resp_len += sizeof(u16) * (IB_CCT_ENTRIES * n_blocks + 1);
3492 return reply((struct ib_mad_hdr *)smp);
3495 void cc_state_reclaim(struct rcu_head *rcu)
3497 struct cc_state *cc_state = container_of(rcu, struct cc_state, rcu);
3502 static int __subn_set_opa_cc_table(struct opa_smp *smp, u32 am, u8 *data,
3503 struct ib_device *ibdev, u8 port,
3506 struct ib_cc_table_attr *p = (struct ib_cc_table_attr *)data;
3507 struct hfi1_ibport *ibp = to_iport(ibdev, port);
3508 struct hfi1_pportdata *ppd = ppd_from_ibp(ibp);
3509 u32 start_block = OPA_AM_START_BLK(am);
3510 u32 n_blocks = OPA_AM_NBLK(am);
3511 struct ib_cc_table_entry_shadow *entries;
3515 struct cc_state *old_cc_state, *new_cc_state;
3517 /* sanity check n_blocks, start_block */
3518 if (n_blocks == 0 ||
3519 start_block + n_blocks > ppd->cc_max_table_entries) {
3520 smp->status |= IB_SMP_INVALID_FIELD;
3521 return reply((struct ib_mad_hdr *)smp);
3524 sentry = start_block * IB_CCT_ENTRIES;
3525 eentry = sentry + ((n_blocks - 1) * IB_CCT_ENTRIES) +
3526 (be16_to_cpu(p->ccti_limit)) % IB_CCT_ENTRIES + 1;
3528 /* sanity check ccti_limit */
3529 ccti_limit = be16_to_cpu(p->ccti_limit);
3530 if (ccti_limit + 1 > eentry) {
3531 smp->status |= IB_SMP_INVALID_FIELD;
3532 return reply((struct ib_mad_hdr *)smp);
3535 new_cc_state = kzalloc(sizeof(*new_cc_state), GFP_KERNEL);
3539 spin_lock(&ppd->cc_state_lock);
3541 old_cc_state = get_cc_state(ppd);
3543 if (!old_cc_state) {
3544 spin_unlock(&ppd->cc_state_lock);
3545 kfree(new_cc_state);
3546 return reply((struct ib_mad_hdr *)smp);
3549 *new_cc_state = *old_cc_state;
3551 new_cc_state->cct.ccti_limit = ccti_limit;
3553 entries = ppd->ccti_entries;
3554 ppd->total_cct_entry = ccti_limit + 1;
3556 for (j = 0, i = sentry; i < eentry; j++, i++)
3557 entries[i].entry = be16_to_cpu(p->ccti_entries[j].entry);
3559 memcpy(new_cc_state->cct.entries, entries,
3560 eentry * sizeof(struct ib_cc_table_entry));
3562 new_cc_state->cong_setting.port_control = IB_CC_CCS_PC_SL_BASED;
3563 new_cc_state->cong_setting.control_map = ppd->cc_sl_control_map;
3564 memcpy(new_cc_state->cong_setting.entries, ppd->congestion_entries,
3565 OPA_MAX_SLS * sizeof(struct opa_congestion_setting_entry));
3567 rcu_assign_pointer(ppd->cc_state, new_cc_state);
3569 spin_unlock(&ppd->cc_state_lock);
3571 call_rcu(&old_cc_state->rcu, cc_state_reclaim);
3574 return __subn_get_opa_cc_table(smp, am, data, ibdev, port, resp_len);
3577 struct opa_led_info {
3578 __be32 rsvd_led_mask;
3582 #define OPA_LED_SHIFT 31
3583 #define OPA_LED_MASK BIT(OPA_LED_SHIFT)
3585 static int __subn_get_opa_led_info(struct opa_smp *smp, u32 am, u8 *data,
3586 struct ib_device *ibdev, u8 port,
3589 struct hfi1_devdata *dd = dd_from_ibdev(ibdev);
3590 struct hfi1_pportdata *ppd = dd->pport;
3591 struct opa_led_info *p = (struct opa_led_info *)data;
3592 u32 nport = OPA_AM_NPORT(am);
3593 u32 is_beaconing_active;
3596 smp->status |= IB_SMP_INVALID_FIELD;
3597 return reply((struct ib_mad_hdr *)smp);
3601 * This pairs with the memory barrier in hfi1_start_led_override to
3602 * ensure that we read the correct state of LED beaconing represented
3603 * by led_override_timer_active
3606 is_beaconing_active = !!atomic_read(&ppd->led_override_timer_active);
3607 p->rsvd_led_mask = cpu_to_be32(is_beaconing_active << OPA_LED_SHIFT);
3610 *resp_len += sizeof(struct opa_led_info);
3612 return reply((struct ib_mad_hdr *)smp);
3615 static int __subn_set_opa_led_info(struct opa_smp *smp, u32 am, u8 *data,
3616 struct ib_device *ibdev, u8 port,
3619 struct hfi1_devdata *dd = dd_from_ibdev(ibdev);
3620 struct opa_led_info *p = (struct opa_led_info *)data;
3621 u32 nport = OPA_AM_NPORT(am);
3622 int on = !!(be32_to_cpu(p->rsvd_led_mask) & OPA_LED_MASK);
3625 smp->status |= IB_SMP_INVALID_FIELD;
3626 return reply((struct ib_mad_hdr *)smp);
3630 hfi1_start_led_override(dd->pport, 2000, 1500);
3632 shutdown_led_override(dd->pport);
3634 return __subn_get_opa_led_info(smp, am, data, ibdev, port, resp_len);
3637 static int subn_get_opa_sma(__be16 attr_id, struct opa_smp *smp, u32 am,
3638 u8 *data, struct ib_device *ibdev, u8 port,
3642 struct hfi1_ibport *ibp = to_iport(ibdev, port);
3645 case IB_SMP_ATTR_NODE_DESC:
3646 ret = __subn_get_opa_nodedesc(smp, am, data, ibdev, port,
3649 case IB_SMP_ATTR_NODE_INFO:
3650 ret = __subn_get_opa_nodeinfo(smp, am, data, ibdev, port,
3653 case IB_SMP_ATTR_PORT_INFO:
3654 ret = __subn_get_opa_portinfo(smp, am, data, ibdev, port,
3657 case IB_SMP_ATTR_PKEY_TABLE:
3658 ret = __subn_get_opa_pkeytable(smp, am, data, ibdev, port,
3661 case OPA_ATTRIB_ID_SL_TO_SC_MAP:
3662 ret = __subn_get_opa_sl_to_sc(smp, am, data, ibdev, port,
3665 case OPA_ATTRIB_ID_SC_TO_SL_MAP:
3666 ret = __subn_get_opa_sc_to_sl(smp, am, data, ibdev, port,
3669 case OPA_ATTRIB_ID_SC_TO_VLT_MAP:
3670 ret = __subn_get_opa_sc_to_vlt(smp, am, data, ibdev, port,
3673 case OPA_ATTRIB_ID_SC_TO_VLNT_MAP:
3674 ret = __subn_get_opa_sc_to_vlnt(smp, am, data, ibdev, port,
3677 case OPA_ATTRIB_ID_PORT_STATE_INFO:
3678 ret = __subn_get_opa_psi(smp, am, data, ibdev, port,
3681 case OPA_ATTRIB_ID_BUFFER_CONTROL_TABLE:
3682 ret = __subn_get_opa_bct(smp, am, data, ibdev, port,
3685 case OPA_ATTRIB_ID_CABLE_INFO:
3686 ret = __subn_get_opa_cable_info(smp, am, data, ibdev, port,
3689 case IB_SMP_ATTR_VL_ARB_TABLE:
3690 ret = __subn_get_opa_vl_arb(smp, am, data, ibdev, port,
3693 case OPA_ATTRIB_ID_CONGESTION_INFO:
3694 ret = __subn_get_opa_cong_info(smp, am, data, ibdev, port,
3697 case OPA_ATTRIB_ID_HFI_CONGESTION_SETTING:
3698 ret = __subn_get_opa_cong_setting(smp, am, data, ibdev,
3701 case OPA_ATTRIB_ID_HFI_CONGESTION_LOG:
3702 ret = __subn_get_opa_hfi1_cong_log(smp, am, data, ibdev,
3705 case OPA_ATTRIB_ID_CONGESTION_CONTROL_TABLE:
3706 ret = __subn_get_opa_cc_table(smp, am, data, ibdev, port,
3709 case IB_SMP_ATTR_LED_INFO:
3710 ret = __subn_get_opa_led_info(smp, am, data, ibdev, port,
3713 case IB_SMP_ATTR_SM_INFO:
3714 if (ibp->rvp.port_cap_flags & IB_PORT_SM_DISABLED)
3715 return IB_MAD_RESULT_SUCCESS | IB_MAD_RESULT_CONSUMED;
3716 if (ibp->rvp.port_cap_flags & IB_PORT_SM)
3717 return IB_MAD_RESULT_SUCCESS;
3720 smp->status |= IB_SMP_UNSUP_METH_ATTR;
3721 ret = reply((struct ib_mad_hdr *)smp);
3727 static int subn_set_opa_sma(__be16 attr_id, struct opa_smp *smp, u32 am,
3728 u8 *data, struct ib_device *ibdev, u8 port,
3732 struct hfi1_ibport *ibp = to_iport(ibdev, port);
3735 case IB_SMP_ATTR_PORT_INFO:
3736 ret = __subn_set_opa_portinfo(smp, am, data, ibdev, port,
3739 case IB_SMP_ATTR_PKEY_TABLE:
3740 ret = __subn_set_opa_pkeytable(smp, am, data, ibdev, port,
3743 case OPA_ATTRIB_ID_SL_TO_SC_MAP:
3744 ret = __subn_set_opa_sl_to_sc(smp, am, data, ibdev, port,
3747 case OPA_ATTRIB_ID_SC_TO_SL_MAP:
3748 ret = __subn_set_opa_sc_to_sl(smp, am, data, ibdev, port,
3751 case OPA_ATTRIB_ID_SC_TO_VLT_MAP:
3752 ret = __subn_set_opa_sc_to_vlt(smp, am, data, ibdev, port,
3755 case OPA_ATTRIB_ID_SC_TO_VLNT_MAP:
3756 ret = __subn_set_opa_sc_to_vlnt(smp, am, data, ibdev, port,
3759 case OPA_ATTRIB_ID_PORT_STATE_INFO:
3760 ret = __subn_set_opa_psi(smp, am, data, ibdev, port,
3763 case OPA_ATTRIB_ID_BUFFER_CONTROL_TABLE:
3764 ret = __subn_set_opa_bct(smp, am, data, ibdev, port,
3767 case IB_SMP_ATTR_VL_ARB_TABLE:
3768 ret = __subn_set_opa_vl_arb(smp, am, data, ibdev, port,
3771 case OPA_ATTRIB_ID_HFI_CONGESTION_SETTING:
3772 ret = __subn_set_opa_cong_setting(smp, am, data, ibdev,
3775 case OPA_ATTRIB_ID_CONGESTION_CONTROL_TABLE:
3776 ret = __subn_set_opa_cc_table(smp, am, data, ibdev, port,
3779 case IB_SMP_ATTR_LED_INFO:
3780 ret = __subn_set_opa_led_info(smp, am, data, ibdev, port,
3783 case IB_SMP_ATTR_SM_INFO:
3784 if (ibp->rvp.port_cap_flags & IB_PORT_SM_DISABLED)
3785 return IB_MAD_RESULT_SUCCESS | IB_MAD_RESULT_CONSUMED;
3786 if (ibp->rvp.port_cap_flags & IB_PORT_SM)
3787 return IB_MAD_RESULT_SUCCESS;
3790 smp->status |= IB_SMP_UNSUP_METH_ATTR;
3791 ret = reply((struct ib_mad_hdr *)smp);
3797 static inline void set_aggr_error(struct opa_aggregate *ag)
3799 ag->err_reqlength |= cpu_to_be16(0x8000);
3802 static int subn_get_opa_aggregate(struct opa_smp *smp,
3803 struct ib_device *ibdev, u8 port,
3807 u32 num_attr = be32_to_cpu(smp->attr_mod) & 0x000000ff;
3808 u8 *next_smp = opa_get_smp_data(smp);
3810 if (num_attr < 1 || num_attr > 117) {
3811 smp->status |= IB_SMP_INVALID_FIELD;
3812 return reply((struct ib_mad_hdr *)smp);
3815 for (i = 0; i < num_attr; i++) {
3816 struct opa_aggregate *agg;
3817 size_t agg_data_len;
3821 agg = (struct opa_aggregate *)next_smp;
3822 agg_data_len = (be16_to_cpu(agg->err_reqlength) & 0x007f) * 8;
3823 agg_size = sizeof(*agg) + agg_data_len;
3824 am = be32_to_cpu(agg->attr_mod);
3826 *resp_len += agg_size;
3828 if (next_smp + agg_size > ((u8 *)smp) + sizeof(*smp)) {
3829 smp->status |= IB_SMP_INVALID_FIELD;
3830 return reply((struct ib_mad_hdr *)smp);
3833 /* zero the payload for this segment */
3834 memset(next_smp + sizeof(*agg), 0, agg_data_len);
3836 (void)subn_get_opa_sma(agg->attr_id, smp, am, agg->data,
3838 if (smp->status & ~IB_SMP_DIRECTION) {
3839 set_aggr_error(agg);
3840 return reply((struct ib_mad_hdr *)smp);
3842 next_smp += agg_size;
3845 return reply((struct ib_mad_hdr *)smp);
3848 static int subn_set_opa_aggregate(struct opa_smp *smp,
3849 struct ib_device *ibdev, u8 port,
3853 u32 num_attr = be32_to_cpu(smp->attr_mod) & 0x000000ff;
3854 u8 *next_smp = opa_get_smp_data(smp);
3856 if (num_attr < 1 || num_attr > 117) {
3857 smp->status |= IB_SMP_INVALID_FIELD;
3858 return reply((struct ib_mad_hdr *)smp);
3861 for (i = 0; i < num_attr; i++) {
3862 struct opa_aggregate *agg;
3863 size_t agg_data_len;
3867 agg = (struct opa_aggregate *)next_smp;
3868 agg_data_len = (be16_to_cpu(agg->err_reqlength) & 0x007f) * 8;
3869 agg_size = sizeof(*agg) + agg_data_len;
3870 am = be32_to_cpu(agg->attr_mod);
3872 *resp_len += agg_size;
3874 if (next_smp + agg_size > ((u8 *)smp) + sizeof(*smp)) {
3875 smp->status |= IB_SMP_INVALID_FIELD;
3876 return reply((struct ib_mad_hdr *)smp);
3879 (void)subn_set_opa_sma(agg->attr_id, smp, am, agg->data,
3881 if (smp->status & ~IB_SMP_DIRECTION) {
3882 set_aggr_error(agg);
3883 return reply((struct ib_mad_hdr *)smp);
3885 next_smp += agg_size;
3888 return reply((struct ib_mad_hdr *)smp);
3892 * OPAv1 specifies that, on the transition to link up, these counters
3896 * LocalLinkIntegrityErrors
3897 * ExcessiveBufferOverruns [*]
3899 * [*] Error info associated with these counters is retained, but the
3900 * error info status is reset to 0.
3902 void clear_linkup_counters(struct hfi1_devdata *dd)
3905 write_dev_cntr(dd, C_DC_RCV_ERR, CNTR_INVALID_VL, 0);
3906 dd->err_info_rcvport.status_and_code &= ~OPA_EI_STATUS_SMASK;
3907 /* LinkErrorRecovery */
3908 write_dev_cntr(dd, C_DC_SEQ_CRC_CNT, CNTR_INVALID_VL, 0);
3909 write_dev_cntr(dd, C_DC_REINIT_FROM_PEER_CNT, CNTR_INVALID_VL, 0);
3910 /* LocalLinkIntegrityErrors */
3911 write_dev_cntr(dd, C_DC_TX_REPLAY, CNTR_INVALID_VL, 0);
3912 write_dev_cntr(dd, C_DC_RX_REPLAY, CNTR_INVALID_VL, 0);
3913 /* ExcessiveBufferOverruns */
3914 write_dev_cntr(dd, C_RCV_OVF, CNTR_INVALID_VL, 0);
3915 dd->rcv_ovfl_cnt = 0;
3916 dd->err_info_xmit_constraint.status &= ~OPA_EI_STATUS_SMASK;
3920 * is_local_mad() returns 1 if 'mad' is sent from, and destined to the
3921 * local node, 0 otherwise.
3923 static int is_local_mad(struct hfi1_ibport *ibp, const struct opa_mad *mad,
3924 const struct ib_wc *in_wc)
3926 struct hfi1_pportdata *ppd = ppd_from_ibp(ibp);
3927 const struct opa_smp *smp = (const struct opa_smp *)mad;
3929 if (smp->mgmt_class == IB_MGMT_CLASS_SUBN_DIRECTED_ROUTE) {
3930 return (smp->hop_cnt == 0 &&
3931 smp->route.dr.dr_slid == OPA_LID_PERMISSIVE &&
3932 smp->route.dr.dr_dlid == OPA_LID_PERMISSIVE);
3935 return (in_wc->slid == ppd->lid);
3939 * opa_local_smp_check() should only be called on MADs for which
3940 * is_local_mad() returns true. It applies the SMP checks that are
3941 * specific to SMPs which are sent from, and destined to this node.
3942 * opa_local_smp_check() returns 0 if the SMP passes its checks, 1
3945 * SMPs which arrive from other nodes are instead checked by
3948 static int opa_local_smp_check(struct hfi1_ibport *ibp,
3949 const struct ib_wc *in_wc)
3951 struct hfi1_pportdata *ppd = ppd_from_ibp(ibp);
3952 u16 slid = in_wc->slid;
3955 if (in_wc->pkey_index >= ARRAY_SIZE(ppd->pkeys))
3958 pkey = ppd->pkeys[in_wc->pkey_index];
3960 * We need to do the "node-local" checks specified in OPAv1,
3961 * rev 0.90, section 9.10.26, which are:
3962 * - pkey is 0x7fff, or 0xffff
3963 * - Source QPN == 0 || Destination QPN == 0
3964 * - the MAD header's management class is either
3965 * IB_MGMT_CLASS_SUBN_DIRECTED_ROUTE or
3966 * IB_MGMT_CLASS_SUBN_LID_ROUTED
3969 * However, we know (and so don't need to check again) that,
3970 * for local SMPs, the MAD stack passes MADs with:
3972 * - MAD mgmt_class is IB_MGMT_CLASS_SUBN_DIRECTED_ROUTE
3973 * - SLID is either: OPA_LID_PERMISSIVE (0xFFFFFFFF), or
3974 * our own port's lid
3977 if (pkey == LIM_MGMT_P_KEY || pkey == FULL_MGMT_P_KEY)
3979 ingress_pkey_table_fail(ppd, pkey, slid);
3983 static int process_subn_opa(struct ib_device *ibdev, int mad_flags,
3984 u8 port, const struct opa_mad *in_mad,
3985 struct opa_mad *out_mad,
3988 struct opa_smp *smp = (struct opa_smp *)out_mad;
3989 struct hfi1_ibport *ibp = to_iport(ibdev, port);
3996 data = opa_get_smp_data(smp);
3998 am = be32_to_cpu(smp->attr_mod);
3999 attr_id = smp->attr_id;
4000 if (smp->class_version != OPA_SMI_CLASS_VERSION) {
4001 smp->status |= IB_SMP_UNSUP_VERSION;
4002 ret = reply((struct ib_mad_hdr *)smp);
4005 ret = check_mkey(ibp, (struct ib_mad_hdr *)smp, mad_flags, smp->mkey,
4006 smp->route.dr.dr_slid, smp->route.dr.return_path,
4009 u32 port_num = be32_to_cpu(smp->attr_mod);
4012 * If this is a get/set portinfo, we already check the
4013 * M_Key if the MAD is for another port and the M_Key
4014 * is OK on the receiving port. This check is needed
4015 * to increment the error counters when the M_Key
4016 * fails to match on *both* ports.
4018 if (attr_id == IB_SMP_ATTR_PORT_INFO &&
4019 (smp->method == IB_MGMT_METHOD_GET ||
4020 smp->method == IB_MGMT_METHOD_SET) &&
4021 port_num && port_num <= ibdev->phys_port_cnt &&
4023 (void)check_mkey(to_iport(ibdev, port_num),
4024 (struct ib_mad_hdr *)smp, 0,
4025 smp->mkey, smp->route.dr.dr_slid,
4026 smp->route.dr.return_path,
4028 ret = IB_MAD_RESULT_FAILURE;
4032 *resp_len = opa_get_smp_header_size(smp);
4034 switch (smp->method) {
4035 case IB_MGMT_METHOD_GET:
4038 clear_opa_smp_data(smp);
4039 ret = subn_get_opa_sma(attr_id, smp, am, data,
4040 ibdev, port, resp_len);
4042 case OPA_ATTRIB_ID_AGGREGATE:
4043 ret = subn_get_opa_aggregate(smp, ibdev, port,
4048 case IB_MGMT_METHOD_SET:
4051 ret = subn_set_opa_sma(attr_id, smp, am, data,
4052 ibdev, port, resp_len);
4054 case OPA_ATTRIB_ID_AGGREGATE:
4055 ret = subn_set_opa_aggregate(smp, ibdev, port,
4060 case IB_MGMT_METHOD_TRAP:
4061 case IB_MGMT_METHOD_REPORT:
4062 case IB_MGMT_METHOD_REPORT_RESP:
4063 case IB_MGMT_METHOD_GET_RESP:
4065 * The ib_mad module will call us to process responses
4066 * before checking for other consumers.
4067 * Just tell the caller to process it normally.
4069 ret = IB_MAD_RESULT_SUCCESS;
4072 smp->status |= IB_SMP_UNSUP_METHOD;
4073 ret = reply((struct ib_mad_hdr *)smp);
4080 static int process_subn(struct ib_device *ibdev, int mad_flags,
4081 u8 port, const struct ib_mad *in_mad,
4082 struct ib_mad *out_mad)
4084 struct ib_smp *smp = (struct ib_smp *)out_mad;
4085 struct hfi1_ibport *ibp = to_iport(ibdev, port);
4089 if (smp->class_version != 1) {
4090 smp->status |= IB_SMP_UNSUP_VERSION;
4091 ret = reply((struct ib_mad_hdr *)smp);
4095 ret = check_mkey(ibp, (struct ib_mad_hdr *)smp, mad_flags,
4096 smp->mkey, (__force __be32)smp->dr_slid,
4097 smp->return_path, smp->hop_cnt);
4099 u32 port_num = be32_to_cpu(smp->attr_mod);
4102 * If this is a get/set portinfo, we already check the
4103 * M_Key if the MAD is for another port and the M_Key
4104 * is OK on the receiving port. This check is needed
4105 * to increment the error counters when the M_Key
4106 * fails to match on *both* ports.
4108 if (in_mad->mad_hdr.attr_id == IB_SMP_ATTR_PORT_INFO &&
4109 (smp->method == IB_MGMT_METHOD_GET ||
4110 smp->method == IB_MGMT_METHOD_SET) &&
4111 port_num && port_num <= ibdev->phys_port_cnt &&
4113 (void)check_mkey(to_iport(ibdev, port_num),
4114 (struct ib_mad_hdr *)smp, 0,
4116 (__force __be32)smp->dr_slid,
4117 smp->return_path, smp->hop_cnt);
4118 ret = IB_MAD_RESULT_FAILURE;
4122 switch (smp->method) {
4123 case IB_MGMT_METHOD_GET:
4124 switch (smp->attr_id) {
4125 case IB_SMP_ATTR_NODE_INFO:
4126 ret = subn_get_nodeinfo(smp, ibdev, port);
4129 smp->status |= IB_SMP_UNSUP_METH_ATTR;
4130 ret = reply((struct ib_mad_hdr *)smp);
4139 static int process_perf(struct ib_device *ibdev, u8 port,
4140 const struct ib_mad *in_mad,
4141 struct ib_mad *out_mad)
4143 struct ib_pma_mad *pmp = (struct ib_pma_mad *)out_mad;
4144 struct ib_class_port_info *cpi = (struct ib_class_port_info *)
4146 int ret = IB_MAD_RESULT_FAILURE;
4149 if (pmp->mad_hdr.class_version != 1) {
4150 pmp->mad_hdr.status |= IB_SMP_UNSUP_VERSION;
4151 ret = reply((struct ib_mad_hdr *)pmp);
4155 switch (pmp->mad_hdr.method) {
4156 case IB_MGMT_METHOD_GET:
4157 switch (pmp->mad_hdr.attr_id) {
4158 case IB_PMA_PORT_COUNTERS:
4159 ret = pma_get_ib_portcounters(pmp, ibdev, port);
4161 case IB_PMA_PORT_COUNTERS_EXT:
4162 ret = pma_get_ib_portcounters_ext(pmp, ibdev, port);
4164 case IB_PMA_CLASS_PORT_INFO:
4165 cpi->capability_mask = IB_PMA_CLASS_CAP_EXT_WIDTH;
4166 ret = reply((struct ib_mad_hdr *)pmp);
4169 pmp->mad_hdr.status |= IB_SMP_UNSUP_METH_ATTR;
4170 ret = reply((struct ib_mad_hdr *)pmp);
4175 case IB_MGMT_METHOD_SET:
4176 if (pmp->mad_hdr.attr_id) {
4177 pmp->mad_hdr.status |= IB_SMP_UNSUP_METH_ATTR;
4178 ret = reply((struct ib_mad_hdr *)pmp);
4182 case IB_MGMT_METHOD_TRAP:
4183 case IB_MGMT_METHOD_GET_RESP:
4185 * The ib_mad module will call us to process responses
4186 * before checking for other consumers.
4187 * Just tell the caller to process it normally.
4189 ret = IB_MAD_RESULT_SUCCESS;
4193 pmp->mad_hdr.status |= IB_SMP_UNSUP_METHOD;
4194 ret = reply((struct ib_mad_hdr *)pmp);
4201 static int process_perf_opa(struct ib_device *ibdev, u8 port,
4202 const struct opa_mad *in_mad,
4203 struct opa_mad *out_mad, u32 *resp_len)
4205 struct opa_pma_mad *pmp = (struct opa_pma_mad *)out_mad;
4210 if (pmp->mad_hdr.class_version != OPA_SMI_CLASS_VERSION) {
4211 pmp->mad_hdr.status |= IB_SMP_UNSUP_VERSION;
4212 return reply((struct ib_mad_hdr *)pmp);
4215 *resp_len = sizeof(pmp->mad_hdr);
4217 switch (pmp->mad_hdr.method) {
4218 case IB_MGMT_METHOD_GET:
4219 switch (pmp->mad_hdr.attr_id) {
4220 case IB_PMA_CLASS_PORT_INFO:
4221 ret = pma_get_opa_classportinfo(pmp, ibdev, resp_len);
4223 case OPA_PM_ATTRIB_ID_PORT_STATUS:
4224 ret = pma_get_opa_portstatus(pmp, ibdev, port,
4227 case OPA_PM_ATTRIB_ID_DATA_PORT_COUNTERS:
4228 ret = pma_get_opa_datacounters(pmp, ibdev, port,
4231 case OPA_PM_ATTRIB_ID_ERROR_PORT_COUNTERS:
4232 ret = pma_get_opa_porterrors(pmp, ibdev, port,
4235 case OPA_PM_ATTRIB_ID_ERROR_INFO:
4236 ret = pma_get_opa_errorinfo(pmp, ibdev, port,
4240 pmp->mad_hdr.status |= IB_SMP_UNSUP_METH_ATTR;
4241 ret = reply((struct ib_mad_hdr *)pmp);
4246 case IB_MGMT_METHOD_SET:
4247 switch (pmp->mad_hdr.attr_id) {
4248 case OPA_PM_ATTRIB_ID_CLEAR_PORT_STATUS:
4249 ret = pma_set_opa_portstatus(pmp, ibdev, port,
4252 case OPA_PM_ATTRIB_ID_ERROR_INFO:
4253 ret = pma_set_opa_errorinfo(pmp, ibdev, port,
4257 pmp->mad_hdr.status |= IB_SMP_UNSUP_METH_ATTR;
4258 ret = reply((struct ib_mad_hdr *)pmp);
4263 case IB_MGMT_METHOD_TRAP:
4264 case IB_MGMT_METHOD_GET_RESP:
4266 * The ib_mad module will call us to process responses
4267 * before checking for other consumers.
4268 * Just tell the caller to process it normally.
4270 ret = IB_MAD_RESULT_SUCCESS;
4274 pmp->mad_hdr.status |= IB_SMP_UNSUP_METHOD;
4275 ret = reply((struct ib_mad_hdr *)pmp);
4282 static int hfi1_process_opa_mad(struct ib_device *ibdev, int mad_flags,
4283 u8 port, const struct ib_wc *in_wc,
4284 const struct ib_grh *in_grh,
4285 const struct opa_mad *in_mad,
4286 struct opa_mad *out_mad, size_t *out_mad_size,
4287 u16 *out_mad_pkey_index)
4292 struct hfi1_ibport *ibp = to_iport(ibdev, port);
4294 pkey_idx = hfi1_lookup_pkey_idx(ibp, LIM_MGMT_P_KEY);
4296 pr_warn("failed to find limited mgmt pkey, defaulting 0x%x\n",
4297 hfi1_get_pkey(ibp, 1));
4300 *out_mad_pkey_index = (u16)pkey_idx;
4302 switch (in_mad->mad_hdr.mgmt_class) {
4303 case IB_MGMT_CLASS_SUBN_DIRECTED_ROUTE:
4304 case IB_MGMT_CLASS_SUBN_LID_ROUTED:
4305 if (is_local_mad(ibp, in_mad, in_wc)) {
4306 ret = opa_local_smp_check(ibp, in_wc);
4308 return IB_MAD_RESULT_FAILURE;
4310 ret = process_subn_opa(ibdev, mad_flags, port, in_mad,
4311 out_mad, &resp_len);
4313 case IB_MGMT_CLASS_PERF_MGMT:
4314 ret = process_perf_opa(ibdev, port, in_mad, out_mad,
4319 ret = IB_MAD_RESULT_SUCCESS;
4323 if (ret & IB_MAD_RESULT_REPLY)
4324 *out_mad_size = round_up(resp_len, 8);
4325 else if (ret & IB_MAD_RESULT_SUCCESS)
4326 *out_mad_size = in_wc->byte_len - sizeof(struct ib_grh);
4331 static int hfi1_process_ib_mad(struct ib_device *ibdev, int mad_flags, u8 port,
4332 const struct ib_wc *in_wc,
4333 const struct ib_grh *in_grh,
4334 const struct ib_mad *in_mad,
4335 struct ib_mad *out_mad)
4339 switch (in_mad->mad_hdr.mgmt_class) {
4340 case IB_MGMT_CLASS_SUBN_DIRECTED_ROUTE:
4341 case IB_MGMT_CLASS_SUBN_LID_ROUTED:
4342 ret = process_subn(ibdev, mad_flags, port, in_mad, out_mad);
4344 case IB_MGMT_CLASS_PERF_MGMT:
4345 ret = process_perf(ibdev, port, in_mad, out_mad);
4348 ret = IB_MAD_RESULT_SUCCESS;
4356 * hfi1_process_mad - process an incoming MAD packet
4357 * @ibdev: the infiniband device this packet came in on
4358 * @mad_flags: MAD flags
4359 * @port: the port number this packet came in on
4360 * @in_wc: the work completion entry for this packet
4361 * @in_grh: the global route header for this packet
4362 * @in_mad: the incoming MAD
4363 * @out_mad: any outgoing MAD reply
4365 * Returns IB_MAD_RESULT_SUCCESS if this is a MAD that we are not
4366 * interested in processing.
4368 * Note that the verbs framework has already done the MAD sanity checks,
4369 * and hop count/pointer updating for IB_MGMT_CLASS_SUBN_DIRECTED_ROUTE
4372 * This is called by the ib_mad module.
4374 int hfi1_process_mad(struct ib_device *ibdev, int mad_flags, u8 port,
4375 const struct ib_wc *in_wc, const struct ib_grh *in_grh,
4376 const struct ib_mad_hdr *in_mad, size_t in_mad_size,
4377 struct ib_mad_hdr *out_mad, size_t *out_mad_size,
4378 u16 *out_mad_pkey_index)
4380 switch (in_mad->base_version) {
4381 case OPA_MGMT_BASE_VERSION:
4382 if (unlikely(in_mad_size != sizeof(struct opa_mad))) {
4383 dev_err(ibdev->dma_device, "invalid in_mad_size\n");
4384 return IB_MAD_RESULT_FAILURE;
4386 return hfi1_process_opa_mad(ibdev, mad_flags, port,
4388 (struct opa_mad *)in_mad,
4389 (struct opa_mad *)out_mad,
4391 out_mad_pkey_index);
4392 case IB_MGMT_BASE_VERSION:
4393 return hfi1_process_ib_mad(ibdev, mad_flags, port,
4395 (const struct ib_mad *)in_mad,
4396 (struct ib_mad *)out_mad);
4401 return IB_MAD_RESULT_FAILURE;