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77241056 MM |
1 | /* |
2 | * | |
3 | * This file is provided under a dual BSD/GPLv2 license. When using or | |
4 | * redistributing this file, you may do so under either license. | |
5 | * | |
6 | * GPL LICENSE SUMMARY | |
7 | * | |
8 | * Copyright(c) 2015 Intel Corporation. | |
9 | * | |
10 | * This program is free software; you can redistribute it and/or modify | |
11 | * it under the terms of version 2 of the GNU General Public License as | |
12 | * published by the Free Software Foundation. | |
13 | * | |
14 | * This program is distributed in the hope that it will be useful, but | |
15 | * WITHOUT ANY WARRANTY; without even the implied warranty of | |
16 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU | |
17 | * General Public License for more details. | |
18 | * | |
19 | * BSD LICENSE | |
20 | * | |
21 | * Copyright(c) 2015 Intel Corporation. | |
22 | * | |
23 | * Redistribution and use in source and binary forms, with or without | |
24 | * modification, are permitted provided that the following conditions | |
25 | * are met: | |
26 | * | |
27 | * - Redistributions of source code must retain the above copyright | |
28 | * notice, this list of conditions and the following disclaimer. | |
29 | * - Redistributions in binary form must reproduce the above copyright | |
30 | * notice, this list of conditions and the following disclaimer in | |
31 | * the documentation and/or other materials provided with the | |
32 | * distribution. | |
33 | * - Neither the name of Intel Corporation nor the names of its | |
34 | * contributors may be used to endorse or promote products derived | |
35 | * from this software without specific prior written permission. | |
36 | * | |
37 | * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS | |
38 | * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT | |
39 | * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR | |
40 | * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT | |
41 | * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, | |
42 | * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT | |
43 | * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, | |
44 | * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY | |
45 | * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT | |
46 | * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE | |
47 | * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. | |
48 | * | |
49 | */ | |
50 | ||
51 | #include <linux/net.h> | |
52 | #define OPA_NUM_PKEY_BLOCKS_PER_SMP (OPA_SMP_DR_DATA_SIZE \ | |
53 | / (OPA_PARTITION_TABLE_BLK_SIZE * sizeof(u16))) | |
54 | ||
55 | #include "hfi.h" | |
56 | #include "mad.h" | |
57 | #include "trace.h" | |
58 | ||
59 | /* the reset value from the FM is supposed to be 0xffff, handle both */ | |
60 | #define OPA_LINK_WIDTH_RESET_OLD 0x0fff | |
61 | #define OPA_LINK_WIDTH_RESET 0xffff | |
62 | ||
63 | static int reply(struct ib_mad_hdr *smp) | |
64 | { | |
65 | /* | |
66 | * The verbs framework will handle the directed/LID route | |
67 | * packet changes. | |
68 | */ | |
69 | smp->method = IB_MGMT_METHOD_GET_RESP; | |
70 | if (smp->mgmt_class == IB_MGMT_CLASS_SUBN_DIRECTED_ROUTE) | |
71 | smp->status |= IB_SMP_DIRECTION; | |
72 | return IB_MAD_RESULT_SUCCESS | IB_MAD_RESULT_REPLY; | |
73 | } | |
74 | ||
75 | static inline void clear_opa_smp_data(struct opa_smp *smp) | |
76 | { | |
77 | void *data = opa_get_smp_data(smp); | |
78 | size_t size = opa_get_smp_data_size(smp); | |
79 | ||
80 | memset(data, 0, size); | |
81 | } | |
82 | ||
83 | static void send_trap(struct hfi1_ibport *ibp, void *data, unsigned len) | |
84 | { | |
85 | struct ib_mad_send_buf *send_buf; | |
86 | struct ib_mad_agent *agent; | |
5cd24119 | 87 | struct opa_smp *smp; |
77241056 MM |
88 | int ret; |
89 | unsigned long flags; | |
90 | unsigned long timeout; | |
91 | int pkey_idx; | |
92 | u32 qpn = ppd_from_ibp(ibp)->sm_trap_qp; | |
93 | ||
94 | agent = ibp->send_agent; | |
95 | if (!agent) | |
96 | return; | |
97 | ||
98 | /* o14-3.2.1 */ | |
99 | if (ppd_from_ibp(ibp)->lstate != IB_PORT_ACTIVE) | |
100 | return; | |
101 | ||
102 | /* o14-2 */ | |
103 | if (ibp->trap_timeout && time_before(jiffies, ibp->trap_timeout)) | |
104 | return; | |
105 | ||
106 | pkey_idx = hfi1_lookup_pkey_idx(ibp, LIM_MGMT_P_KEY); | |
107 | if (pkey_idx < 0) { | |
108 | pr_warn("%s: failed to find limited mgmt pkey, defaulting 0x%x\n", | |
109 | __func__, hfi1_get_pkey(ibp, 1)); | |
110 | pkey_idx = 1; | |
111 | } | |
112 | ||
113 | send_buf = ib_create_send_mad(agent, qpn, pkey_idx, 0, | |
114 | IB_MGMT_MAD_HDR, IB_MGMT_MAD_DATA, | |
115 | GFP_ATOMIC, IB_MGMT_BASE_VERSION); | |
116 | if (IS_ERR(send_buf)) | |
117 | return; | |
118 | ||
119 | smp = send_buf->mad; | |
5cd24119 | 120 | smp->base_version = OPA_MGMT_BASE_VERSION; |
77241056 | 121 | smp->mgmt_class = IB_MGMT_CLASS_SUBN_LID_ROUTED; |
5cd24119 | 122 | smp->class_version = OPA_SMI_CLASS_VERSION; |
77241056 MM |
123 | smp->method = IB_MGMT_METHOD_TRAP; |
124 | ibp->tid++; | |
125 | smp->tid = cpu_to_be64(ibp->tid); | |
126 | smp->attr_id = IB_SMP_ATTR_NOTICE; | |
127 | /* o14-1: smp->mkey = 0; */ | |
5cd24119 | 128 | memcpy(smp->route.lid.data, data, len); |
77241056 MM |
129 | |
130 | spin_lock_irqsave(&ibp->lock, flags); | |
131 | if (!ibp->sm_ah) { | |
132 | if (ibp->sm_lid != be16_to_cpu(IB_LID_PERMISSIVE)) { | |
133 | struct ib_ah *ah; | |
134 | ||
135 | ah = hfi1_create_qp0_ah(ibp, ibp->sm_lid); | |
136 | if (IS_ERR(ah)) | |
137 | ret = PTR_ERR(ah); | |
138 | else { | |
139 | send_buf->ah = ah; | |
15723f06 | 140 | ibp->sm_ah = ibah_to_rvtah(ah); |
77241056 MM |
141 | ret = 0; |
142 | } | |
143 | } else | |
144 | ret = -EINVAL; | |
145 | } else { | |
146 | send_buf->ah = &ibp->sm_ah->ibah; | |
147 | ret = 0; | |
148 | } | |
149 | spin_unlock_irqrestore(&ibp->lock, flags); | |
150 | ||
151 | if (!ret) | |
152 | ret = ib_post_send_mad(send_buf, NULL); | |
153 | if (!ret) { | |
154 | /* 4.096 usec. */ | |
155 | timeout = (4096 * (1UL << ibp->subnet_timeout)) / 1000; | |
156 | ibp->trap_timeout = jiffies + usecs_to_jiffies(timeout); | |
157 | } else { | |
158 | ib_free_send_mad(send_buf); | |
159 | ibp->trap_timeout = 0; | |
160 | } | |
161 | } | |
162 | ||
163 | /* | |
164 | * Send a bad [PQ]_Key trap (ch. 14.3.8). | |
165 | */ | |
166 | void hfi1_bad_pqkey(struct hfi1_ibport *ibp, __be16 trap_num, u32 key, u32 sl, | |
5cd24119 | 167 | u32 qp1, u32 qp2, u16 lid1, u16 lid2) |
77241056 | 168 | { |
5cd24119 EK |
169 | struct opa_mad_notice_attr data; |
170 | u32 lid = ppd_from_ibp(ibp)->lid; | |
171 | u32 _lid1 = lid1; | |
172 | u32 _lid2 = lid2; | |
77241056 | 173 | |
5cd24119 EK |
174 | memset(&data, 0, sizeof(data)); |
175 | ||
176 | if (trap_num == OPA_TRAP_BAD_P_KEY) | |
77241056 MM |
177 | ibp->pkey_violations++; |
178 | else | |
179 | ibp->qkey_violations++; | |
180 | ibp->n_pkt_drops++; | |
181 | ||
182 | /* Send violation trap */ | |
183 | data.generic_type = IB_NOTICE_TYPE_SECURITY; | |
77241056 MM |
184 | data.prod_type_lsb = IB_NOTICE_PROD_CA; |
185 | data.trap_num = trap_num; | |
5cd24119 EK |
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); | |
77241056 MM |
193 | |
194 | send_trap(ibp, &data, sizeof(data)); | |
195 | } | |
196 | ||
197 | /* | |
198 | * Send a bad M_Key trap (ch. 14.3.9). | |
199 | */ | |
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) | |
202 | { | |
5cd24119 EK |
203 | struct opa_mad_notice_attr data; |
204 | u32 lid = ppd_from_ibp(ibp)->lid; | |
77241056 | 205 | |
5cd24119 | 206 | memset(&data, 0, sizeof(data)); |
77241056 MM |
207 | /* Send violation trap */ |
208 | data.generic_type = IB_NOTICE_TYPE_SECURITY; | |
77241056 | 209 | data.prod_type_lsb = IB_NOTICE_PROD_CA; |
5cd24119 EK |
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; | |
77241056 | 217 | if (mad->mgmt_class == IB_MGMT_CLASS_SUBN_DIRECTED_ROUTE) { |
5cd24119 EK |
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 |= | |
77241056 | 222 | IB_NOTICE_TRAP_DR_TRUNC; |
5cd24119 | 223 | hop_cnt = ARRAY_SIZE(data.ntc_256.dr_rtn_path); |
77241056 | 224 | } |
5cd24119 EK |
225 | data.ntc_256.dr_trunc_hop |= hop_cnt; |
226 | memcpy(data.ntc_256.dr_rtn_path, return_path, | |
77241056 MM |
227 | hop_cnt); |
228 | } | |
229 | ||
230 | send_trap(ibp, &data, sizeof(data)); | |
231 | } | |
232 | ||
233 | /* | |
234 | * Send a Port Capability Mask Changed trap (ch. 14.3.11). | |
235 | */ | |
236 | void hfi1_cap_mask_chg(struct hfi1_ibport *ibp) | |
237 | { | |
5cd24119 EK |
238 | struct opa_mad_notice_attr data; |
239 | u32 lid = ppd_from_ibp(ibp)->lid; | |
240 | ||
241 | memset(&data, 0, sizeof(data)); | |
77241056 MM |
242 | |
243 | data.generic_type = IB_NOTICE_TYPE_INFO; | |
77241056 | 244 | data.prod_type_lsb = IB_NOTICE_PROD_CA; |
5cd24119 EK |
245 | data.trap_num = OPA_TRAP_CHANGE_CAPABILITY; |
246 | data.issuer_lid = cpu_to_be32(lid); | |
247 | data.ntc_144.lid = data.issuer_lid; | |
248 | data.ntc_144.new_cap_mask = cpu_to_be32(ibp->port_cap_flags); | |
77241056 MM |
249 | |
250 | send_trap(ibp, &data, sizeof(data)); | |
251 | } | |
252 | ||
253 | /* | |
254 | * Send a System Image GUID Changed trap (ch. 14.3.12). | |
255 | */ | |
256 | void hfi1_sys_guid_chg(struct hfi1_ibport *ibp) | |
257 | { | |
5cd24119 EK |
258 | struct opa_mad_notice_attr data; |
259 | u32 lid = ppd_from_ibp(ibp)->lid; | |
260 | ||
261 | memset(&data, 0, sizeof(data)); | |
77241056 MM |
262 | |
263 | data.generic_type = IB_NOTICE_TYPE_INFO; | |
77241056 | 264 | data.prod_type_lsb = IB_NOTICE_PROD_CA; |
5cd24119 EK |
265 | data.trap_num = OPA_TRAP_CHANGE_SYSGUID; |
266 | data.issuer_lid = cpu_to_be32(lid); | |
267 | data.ntc_145.new_sys_guid = ib_hfi1_sys_image_guid; | |
268 | data.ntc_145.lid = data.issuer_lid; | |
77241056 MM |
269 | |
270 | send_trap(ibp, &data, sizeof(data)); | |
271 | } | |
272 | ||
273 | /* | |
274 | * Send a Node Description Changed trap (ch. 14.3.13). | |
275 | */ | |
276 | void hfi1_node_desc_chg(struct hfi1_ibport *ibp) | |
277 | { | |
5cd24119 EK |
278 | struct opa_mad_notice_attr data; |
279 | u32 lid = ppd_from_ibp(ibp)->lid; | |
280 | ||
281 | memset(&data, 0, sizeof(data)); | |
77241056 MM |
282 | |
283 | data.generic_type = IB_NOTICE_TYPE_INFO; | |
77241056 | 284 | data.prod_type_lsb = IB_NOTICE_PROD_CA; |
5cd24119 EK |
285 | data.trap_num = OPA_TRAP_CHANGE_CAPABILITY; |
286 | data.issuer_lid = cpu_to_be32(lid); | |
287 | data.ntc_144.lid = data.issuer_lid; | |
288 | data.ntc_144.change_flags = | |
289 | cpu_to_be16(OPA_NOTICE_TRAP_NODE_DESC_CHG); | |
77241056 MM |
290 | |
291 | send_trap(ibp, &data, sizeof(data)); | |
292 | } | |
293 | ||
294 | static int __subn_get_opa_nodedesc(struct opa_smp *smp, u32 am, | |
295 | u8 *data, struct ib_device *ibdev, | |
296 | u8 port, u32 *resp_len) | |
297 | { | |
298 | struct opa_node_description *nd; | |
299 | ||
300 | if (am) { | |
301 | smp->status |= IB_SMP_INVALID_FIELD; | |
302 | return reply((struct ib_mad_hdr *)smp); | |
303 | } | |
304 | ||
305 | nd = (struct opa_node_description *)data; | |
306 | ||
307 | memcpy(nd->data, ibdev->node_desc, sizeof(nd->data)); | |
308 | ||
309 | if (resp_len) | |
310 | *resp_len += sizeof(*nd); | |
311 | ||
312 | return reply((struct ib_mad_hdr *)smp); | |
313 | } | |
314 | ||
315 | static int __subn_get_opa_nodeinfo(struct opa_smp *smp, u32 am, u8 *data, | |
316 | struct ib_device *ibdev, u8 port, | |
317 | u32 *resp_len) | |
318 | { | |
319 | struct opa_node_info *ni; | |
320 | struct hfi1_devdata *dd = dd_from_ibdev(ibdev); | |
321 | unsigned pidx = port - 1; /* IB number port from 1, hw from 0 */ | |
322 | ||
323 | ni = (struct opa_node_info *)data; | |
324 | ||
325 | /* GUID 0 is illegal */ | |
326 | if (am || pidx >= dd->num_pports || dd->pport[pidx].guid == 0) { | |
327 | smp->status |= IB_SMP_INVALID_FIELD; | |
328 | return reply((struct ib_mad_hdr *)smp); | |
329 | } | |
330 | ||
331 | ni->port_guid = cpu_to_be64(dd->pport[pidx].guid); | |
332 | ni->base_version = OPA_MGMT_BASE_VERSION; | |
333 | ni->class_version = OPA_SMI_CLASS_VERSION; | |
334 | ni->node_type = 1; /* channel adapter */ | |
335 | ni->num_ports = ibdev->phys_port_cnt; | |
336 | /* This is already in network order */ | |
337 | ni->system_image_guid = ib_hfi1_sys_image_guid; | |
338 | /* Use first-port GUID as node */ | |
339 | ni->node_guid = cpu_to_be64(dd->pport->guid); | |
340 | ni->partition_cap = cpu_to_be16(hfi1_get_npkeys(dd)); | |
341 | ni->device_id = cpu_to_be16(dd->pcidev->device); | |
342 | ni->revision = cpu_to_be32(dd->minrev); | |
343 | ni->local_port_num = port; | |
344 | ni->vendor_id[0] = dd->oui1; | |
345 | ni->vendor_id[1] = dd->oui2; | |
346 | ni->vendor_id[2] = dd->oui3; | |
347 | ||
348 | if (resp_len) | |
349 | *resp_len += sizeof(*ni); | |
350 | ||
351 | return reply((struct ib_mad_hdr *)smp); | |
352 | } | |
353 | ||
354 | static int subn_get_nodeinfo(struct ib_smp *smp, struct ib_device *ibdev, | |
355 | u8 port) | |
356 | { | |
357 | struct ib_node_info *nip = (struct ib_node_info *)&smp->data; | |
358 | struct hfi1_devdata *dd = dd_from_ibdev(ibdev); | |
359 | unsigned pidx = port - 1; /* IB number port from 1, hw from 0 */ | |
360 | ||
361 | /* GUID 0 is illegal */ | |
362 | if (smp->attr_mod || pidx >= dd->num_pports || | |
363 | dd->pport[pidx].guid == 0) | |
364 | smp->status |= IB_SMP_INVALID_FIELD; | |
365 | else | |
366 | nip->port_guid = cpu_to_be64(dd->pport[pidx].guid); | |
367 | ||
368 | nip->base_version = OPA_MGMT_BASE_VERSION; | |
369 | nip->class_version = OPA_SMI_CLASS_VERSION; | |
370 | nip->node_type = 1; /* channel adapter */ | |
371 | nip->num_ports = ibdev->phys_port_cnt; | |
372 | /* This is already in network order */ | |
373 | nip->sys_guid = ib_hfi1_sys_image_guid; | |
374 | /* Use first-port GUID as node */ | |
375 | nip->node_guid = cpu_to_be64(dd->pport->guid); | |
376 | nip->partition_cap = cpu_to_be16(hfi1_get_npkeys(dd)); | |
377 | nip->device_id = cpu_to_be16(dd->pcidev->device); | |
378 | nip->revision = cpu_to_be32(dd->minrev); | |
379 | nip->local_port_num = port; | |
380 | nip->vendor_id[0] = dd->oui1; | |
381 | nip->vendor_id[1] = dd->oui2; | |
382 | nip->vendor_id[2] = dd->oui3; | |
383 | ||
384 | return reply((struct ib_mad_hdr *)smp); | |
385 | } | |
386 | ||
387 | static void set_link_width_enabled(struct hfi1_pportdata *ppd, u32 w) | |
388 | { | |
389 | (void)hfi1_set_ib_cfg(ppd, HFI1_IB_CFG_LWID_ENB, w); | |
390 | } | |
391 | ||
392 | static void set_link_width_downgrade_enabled(struct hfi1_pportdata *ppd, u32 w) | |
393 | { | |
394 | (void)hfi1_set_ib_cfg(ppd, HFI1_IB_CFG_LWID_DG_ENB, w); | |
395 | } | |
396 | ||
397 | static void set_link_speed_enabled(struct hfi1_pportdata *ppd, u32 s) | |
398 | { | |
399 | (void)hfi1_set_ib_cfg(ppd, HFI1_IB_CFG_SPD_ENB, s); | |
400 | } | |
401 | ||
402 | static int check_mkey(struct hfi1_ibport *ibp, struct ib_mad_hdr *mad, | |
403 | int mad_flags, __be64 mkey, __be32 dr_slid, | |
404 | u8 return_path[], u8 hop_cnt) | |
405 | { | |
406 | int valid_mkey = 0; | |
407 | int ret = 0; | |
408 | ||
409 | /* Is the mkey in the process of expiring? */ | |
410 | if (ibp->mkey_lease_timeout && | |
411 | time_after_eq(jiffies, ibp->mkey_lease_timeout)) { | |
412 | /* Clear timeout and mkey protection field. */ | |
413 | ibp->mkey_lease_timeout = 0; | |
414 | ibp->mkeyprot = 0; | |
415 | } | |
416 | ||
417 | if ((mad_flags & IB_MAD_IGNORE_MKEY) || ibp->mkey == 0 || | |
418 | ibp->mkey == mkey) | |
419 | valid_mkey = 1; | |
420 | ||
421 | /* Unset lease timeout on any valid Get/Set/TrapRepress */ | |
422 | if (valid_mkey && ibp->mkey_lease_timeout && | |
423 | (mad->method == IB_MGMT_METHOD_GET || | |
424 | mad->method == IB_MGMT_METHOD_SET || | |
425 | mad->method == IB_MGMT_METHOD_TRAP_REPRESS)) | |
426 | ibp->mkey_lease_timeout = 0; | |
427 | ||
428 | if (!valid_mkey) { | |
429 | switch (mad->method) { | |
430 | case IB_MGMT_METHOD_GET: | |
431 | /* Bad mkey not a violation below level 2 */ | |
432 | if (ibp->mkeyprot < 2) | |
433 | break; | |
434 | case IB_MGMT_METHOD_SET: | |
435 | case IB_MGMT_METHOD_TRAP_REPRESS: | |
436 | if (ibp->mkey_violations != 0xFFFF) | |
437 | ++ibp->mkey_violations; | |
438 | if (!ibp->mkey_lease_timeout && ibp->mkey_lease_period) | |
439 | ibp->mkey_lease_timeout = jiffies + | |
440 | ibp->mkey_lease_period * HZ; | |
441 | /* Generate a trap notice. */ | |
442 | bad_mkey(ibp, mad, mkey, dr_slid, return_path, | |
443 | hop_cnt); | |
444 | ret = 1; | |
445 | } | |
446 | } | |
447 | ||
448 | return ret; | |
449 | } | |
450 | ||
451 | /* | |
452 | * The SMA caches reads from LCB registers in case the LCB is unavailable. | |
453 | * (The LCB is unavailable in certain link states, for example.) | |
454 | */ | |
455 | struct lcb_datum { | |
456 | u32 off; | |
457 | u64 val; | |
458 | }; | |
459 | ||
460 | static struct lcb_datum lcb_cache[] = { | |
461 | { DC_LCB_STS_ROUND_TRIP_LTP_CNT, 0 }, | |
462 | }; | |
463 | ||
464 | static int write_lcb_cache(u32 off, u64 val) | |
465 | { | |
466 | int i; | |
467 | ||
468 | for (i = 0; i < ARRAY_SIZE(lcb_cache); i++) { | |
469 | if (lcb_cache[i].off == off) { | |
470 | lcb_cache[i].val = val; | |
471 | return 0; | |
472 | } | |
473 | } | |
474 | ||
475 | pr_warn("%s bad offset 0x%x\n", __func__, off); | |
476 | return -1; | |
477 | } | |
478 | ||
479 | static int read_lcb_cache(u32 off, u64 *val) | |
480 | { | |
481 | int i; | |
482 | ||
483 | for (i = 0; i < ARRAY_SIZE(lcb_cache); i++) { | |
484 | if (lcb_cache[i].off == off) { | |
485 | *val = lcb_cache[i].val; | |
486 | return 0; | |
487 | } | |
488 | } | |
489 | ||
490 | pr_warn("%s bad offset 0x%x\n", __func__, off); | |
491 | return -1; | |
492 | } | |
493 | ||
494 | void read_ltp_rtt(struct hfi1_devdata *dd) | |
495 | { | |
496 | u64 reg; | |
497 | ||
498 | if (read_lcb_csr(dd, DC_LCB_STS_ROUND_TRIP_LTP_CNT, ®)) | |
499 | dd_dev_err(dd, "%s: unable to read LTP RTT\n", __func__); | |
500 | else | |
501 | write_lcb_cache(DC_LCB_STS_ROUND_TRIP_LTP_CNT, reg); | |
502 | } | |
503 | ||
504 | static u8 __opa_porttype(struct hfi1_pportdata *ppd) | |
505 | { | |
506 | if (qsfp_mod_present(ppd)) { | |
507 | if (ppd->qsfp_info.cache_valid) | |
508 | return OPA_PORT_TYPE_STANDARD; | |
509 | return OPA_PORT_TYPE_DISCONNECTED; | |
510 | } | |
511 | return OPA_PORT_TYPE_UNKNOWN; | |
512 | } | |
513 | ||
514 | static int __subn_get_opa_portinfo(struct opa_smp *smp, u32 am, u8 *data, | |
515 | struct ib_device *ibdev, u8 port, | |
516 | u32 *resp_len) | |
517 | { | |
518 | int i; | |
519 | struct hfi1_devdata *dd; | |
520 | struct hfi1_pportdata *ppd; | |
521 | struct hfi1_ibport *ibp; | |
522 | struct opa_port_info *pi = (struct opa_port_info *)data; | |
523 | u8 mtu; | |
524 | u8 credit_rate; | |
525 | u32 state; | |
526 | u32 num_ports = OPA_AM_NPORT(am); | |
527 | u32 start_of_sm_config = OPA_AM_START_SM_CFG(am); | |
528 | u32 buffer_units; | |
529 | u64 tmp = 0; | |
530 | ||
531 | if (num_ports != 1) { | |
532 | smp->status |= IB_SMP_INVALID_FIELD; | |
533 | return reply((struct ib_mad_hdr *)smp); | |
534 | } | |
535 | ||
536 | dd = dd_from_ibdev(ibdev); | |
537 | /* IB numbers ports from 1, hw from 0 */ | |
538 | ppd = dd->pport + (port - 1); | |
539 | ibp = &ppd->ibport_data; | |
540 | ||
541 | if (ppd->vls_supported/2 > ARRAY_SIZE(pi->neigh_mtu.pvlx_to_mtu) || | |
542 | ppd->vls_supported > ARRAY_SIZE(dd->vld)) { | |
543 | smp->status |= IB_SMP_INVALID_FIELD; | |
544 | return reply((struct ib_mad_hdr *)smp); | |
545 | } | |
546 | ||
547 | pi->lid = cpu_to_be32(ppd->lid); | |
548 | ||
549 | /* Only return the mkey if the protection field allows it. */ | |
550 | if (!(smp->method == IB_MGMT_METHOD_GET && | |
551 | ibp->mkey != smp->mkey && | |
552 | ibp->mkeyprot == 1)) | |
553 | pi->mkey = ibp->mkey; | |
554 | ||
555 | pi->subnet_prefix = ibp->gid_prefix; | |
556 | pi->sm_lid = cpu_to_be32(ibp->sm_lid); | |
557 | pi->ib_cap_mask = cpu_to_be32(ibp->port_cap_flags); | |
558 | pi->mkey_lease_period = cpu_to_be16(ibp->mkey_lease_period); | |
559 | pi->sm_trap_qp = cpu_to_be32(ppd->sm_trap_qp); | |
560 | pi->sa_qp = cpu_to_be32(ppd->sa_qp); | |
561 | ||
562 | pi->link_width.enabled = cpu_to_be16(ppd->link_width_enabled); | |
563 | pi->link_width.supported = cpu_to_be16(ppd->link_width_supported); | |
564 | pi->link_width.active = cpu_to_be16(ppd->link_width_active); | |
565 | ||
566 | pi->link_width_downgrade.supported = | |
567 | cpu_to_be16(ppd->link_width_downgrade_supported); | |
568 | pi->link_width_downgrade.enabled = | |
569 | cpu_to_be16(ppd->link_width_downgrade_enabled); | |
570 | pi->link_width_downgrade.tx_active = | |
571 | cpu_to_be16(ppd->link_width_downgrade_tx_active); | |
572 | pi->link_width_downgrade.rx_active = | |
573 | cpu_to_be16(ppd->link_width_downgrade_rx_active); | |
574 | ||
575 | pi->link_speed.supported = cpu_to_be16(ppd->link_speed_supported); | |
576 | pi->link_speed.active = cpu_to_be16(ppd->link_speed_active); | |
577 | pi->link_speed.enabled = cpu_to_be16(ppd->link_speed_enabled); | |
578 | ||
579 | state = driver_lstate(ppd); | |
580 | ||
581 | if (start_of_sm_config && (state == IB_PORT_INIT)) | |
582 | ppd->is_sm_config_started = 1; | |
583 | ||
584 | pi->port_phys_conf = __opa_porttype(ppd) & 0xf; | |
585 | ||
586 | #if PI_LED_ENABLE_SUP | |
587 | pi->port_states.ledenable_offlinereason = ppd->neighbor_normal << 4; | |
588 | pi->port_states.ledenable_offlinereason |= | |
589 | ppd->is_sm_config_started << 5; | |
590 | pi->port_states.ledenable_offlinereason |= | |
591 | ppd->offline_disabled_reason & OPA_PI_MASK_OFFLINE_REASON; | |
592 | #else | |
593 | pi->port_states.offline_reason = ppd->neighbor_normal << 4; | |
594 | pi->port_states.offline_reason |= ppd->is_sm_config_started << 5; | |
595 | pi->port_states.offline_reason |= ppd->offline_disabled_reason & | |
596 | OPA_PI_MASK_OFFLINE_REASON; | |
597 | #endif /* PI_LED_ENABLE_SUP */ | |
598 | ||
599 | pi->port_states.portphysstate_portstate = | |
600 | (hfi1_ibphys_portstate(ppd) << 4) | state; | |
601 | ||
602 | pi->mkeyprotect_lmc = (ibp->mkeyprot << 6) | ppd->lmc; | |
603 | ||
604 | memset(pi->neigh_mtu.pvlx_to_mtu, 0, sizeof(pi->neigh_mtu.pvlx_to_mtu)); | |
605 | for (i = 0; i < ppd->vls_supported; i++) { | |
606 | mtu = mtu_to_enum(dd->vld[i].mtu, HFI1_DEFAULT_ACTIVE_MTU); | |
607 | if ((i % 2) == 0) | |
608 | pi->neigh_mtu.pvlx_to_mtu[i/2] |= (mtu << 4); | |
609 | else | |
610 | pi->neigh_mtu.pvlx_to_mtu[i/2] |= mtu; | |
611 | } | |
612 | /* don't forget VL 15 */ | |
613 | mtu = mtu_to_enum(dd->vld[15].mtu, 2048); | |
614 | pi->neigh_mtu.pvlx_to_mtu[15/2] |= mtu; | |
615 | pi->smsl = ibp->sm_sl & OPA_PI_MASK_SMSL; | |
616 | pi->operational_vls = hfi1_get_ib_cfg(ppd, HFI1_IB_CFG_OP_VLS); | |
617 | pi->partenforce_filterraw |= | |
618 | (ppd->linkinit_reason & OPA_PI_MASK_LINKINIT_REASON); | |
619 | if (ppd->part_enforce & HFI1_PART_ENFORCE_IN) | |
620 | pi->partenforce_filterraw |= OPA_PI_MASK_PARTITION_ENFORCE_IN; | |
621 | if (ppd->part_enforce & HFI1_PART_ENFORCE_OUT) | |
622 | pi->partenforce_filterraw |= OPA_PI_MASK_PARTITION_ENFORCE_OUT; | |
623 | pi->mkey_violations = cpu_to_be16(ibp->mkey_violations); | |
624 | /* P_KeyViolations are counted by hardware. */ | |
625 | pi->pkey_violations = cpu_to_be16(ibp->pkey_violations); | |
626 | pi->qkey_violations = cpu_to_be16(ibp->qkey_violations); | |
627 | ||
628 | pi->vl.cap = ppd->vls_supported; | |
629 | pi->vl.high_limit = cpu_to_be16(ibp->vl_high_limit); | |
630 | pi->vl.arb_high_cap = (u8)hfi1_get_ib_cfg(ppd, HFI1_IB_CFG_VL_HIGH_CAP); | |
631 | pi->vl.arb_low_cap = (u8)hfi1_get_ib_cfg(ppd, HFI1_IB_CFG_VL_LOW_CAP); | |
632 | ||
633 | pi->clientrereg_subnettimeout = ibp->subnet_timeout; | |
634 | ||
635 | pi->port_link_mode = cpu_to_be16(OPA_PORT_LINK_MODE_OPA << 10 | | |
636 | OPA_PORT_LINK_MODE_OPA << 5 | | |
637 | OPA_PORT_LINK_MODE_OPA); | |
638 | ||
639 | pi->port_ltp_crc_mode = cpu_to_be16(ppd->port_ltp_crc_mode); | |
640 | ||
641 | pi->port_mode = cpu_to_be16( | |
642 | ppd->is_active_optimize_enabled ? | |
643 | OPA_PI_MASK_PORT_ACTIVE_OPTOMIZE : 0); | |
644 | ||
645 | pi->port_packet_format.supported = | |
646 | cpu_to_be16(OPA_PORT_PACKET_FORMAT_9B); | |
647 | pi->port_packet_format.enabled = | |
648 | cpu_to_be16(OPA_PORT_PACKET_FORMAT_9B); | |
649 | ||
650 | /* flit_control.interleave is (OPA V1, version .76): | |
651 | * bits use | |
652 | * ---- --- | |
653 | * 2 res | |
654 | * 2 DistanceSupported | |
655 | * 2 DistanceEnabled | |
656 | * 5 MaxNextLevelTxEnabled | |
657 | * 5 MaxNestLevelRxSupported | |
658 | * | |
659 | * HFI supports only "distance mode 1" (see OPA V1, version .76, | |
660 | * section 9.6.2), so set DistanceSupported, DistanceEnabled | |
661 | * to 0x1. | |
662 | */ | |
663 | pi->flit_control.interleave = cpu_to_be16(0x1400); | |
664 | ||
665 | pi->link_down_reason = ppd->local_link_down_reason.sma; | |
666 | pi->neigh_link_down_reason = ppd->neigh_link_down_reason.sma; | |
667 | pi->port_error_action = cpu_to_be32(ppd->port_error_action); | |
668 | pi->mtucap = mtu_to_enum(hfi1_max_mtu, IB_MTU_4096); | |
669 | ||
670 | /* 32.768 usec. response time (guessing) */ | |
671 | pi->resptimevalue = 3; | |
672 | ||
673 | pi->local_port_num = port; | |
674 | ||
675 | /* buffer info for FM */ | |
676 | pi->overall_buffer_space = cpu_to_be16(dd->link_credits); | |
677 | ||
678 | pi->neigh_node_guid = cpu_to_be64(ppd->neighbor_guid); | |
679 | pi->neigh_port_num = ppd->neighbor_port_number; | |
680 | pi->port_neigh_mode = | |
681 | (ppd->neighbor_type & OPA_PI_MASK_NEIGH_NODE_TYPE) | | |
682 | (ppd->mgmt_allowed ? OPA_PI_MASK_NEIGH_MGMT_ALLOWED : 0) | | |
683 | (ppd->neighbor_fm_security ? | |
684 | OPA_PI_MASK_NEIGH_FW_AUTH_BYPASS : 0); | |
685 | ||
686 | /* HFIs shall always return VL15 credits to their | |
687 | * neighbor in a timely manner, without any credit return pacing. | |
688 | */ | |
689 | credit_rate = 0; | |
690 | buffer_units = (dd->vau) & OPA_PI_MASK_BUF_UNIT_BUF_ALLOC; | |
691 | buffer_units |= (dd->vcu << 3) & OPA_PI_MASK_BUF_UNIT_CREDIT_ACK; | |
692 | buffer_units |= (credit_rate << 6) & | |
693 | OPA_PI_MASK_BUF_UNIT_VL15_CREDIT_RATE; | |
694 | buffer_units |= (dd->vl15_init << 11) & OPA_PI_MASK_BUF_UNIT_VL15_INIT; | |
695 | pi->buffer_units = cpu_to_be32(buffer_units); | |
696 | ||
697 | pi->opa_cap_mask = cpu_to_be16(OPA_CAP_MASK3_IsSharedSpaceSupported); | |
698 | ||
699 | /* HFI supports a replay buffer 128 LTPs in size */ | |
700 | pi->replay_depth.buffer = 0x80; | |
701 | /* read the cached value of DC_LCB_STS_ROUND_TRIP_LTP_CNT */ | |
702 | read_lcb_cache(DC_LCB_STS_ROUND_TRIP_LTP_CNT, &tmp); | |
703 | ||
704 | /* this counter is 16 bits wide, but the replay_depth.wire | |
705 | * variable is only 8 bits */ | |
706 | if (tmp > 0xff) | |
707 | tmp = 0xff; | |
708 | pi->replay_depth.wire = tmp; | |
709 | ||
710 | if (resp_len) | |
711 | *resp_len += sizeof(struct opa_port_info); | |
712 | ||
713 | return reply((struct ib_mad_hdr *)smp); | |
714 | } | |
715 | ||
716 | /** | |
717 | * get_pkeys - return the PKEY table | |
718 | * @dd: the hfi1_ib device | |
719 | * @port: the IB port number | |
720 | * @pkeys: the pkey table is placed here | |
721 | */ | |
722 | static int get_pkeys(struct hfi1_devdata *dd, u8 port, u16 *pkeys) | |
723 | { | |
724 | struct hfi1_pportdata *ppd = dd->pport + port - 1; | |
725 | ||
726 | memcpy(pkeys, ppd->pkeys, sizeof(ppd->pkeys)); | |
727 | ||
728 | return 0; | |
729 | } | |
730 | ||
731 | static int __subn_get_opa_pkeytable(struct opa_smp *smp, u32 am, u8 *data, | |
732 | struct ib_device *ibdev, u8 port, | |
733 | u32 *resp_len) | |
734 | { | |
735 | struct hfi1_devdata *dd = dd_from_ibdev(ibdev); | |
736 | u32 n_blocks_req = OPA_AM_NBLK(am); | |
737 | u32 start_block = am & 0x7ff; | |
738 | __be16 *p; | |
739 | u16 *q; | |
740 | int i; | |
741 | u16 n_blocks_avail; | |
742 | unsigned npkeys = hfi1_get_npkeys(dd); | |
743 | size_t size; | |
744 | ||
745 | if (n_blocks_req == 0) { | |
746 | pr_warn("OPA Get PKey AM Invalid : P = %d; B = 0x%x; N = 0x%x\n", | |
747 | port, start_block, n_blocks_req); | |
748 | smp->status |= IB_SMP_INVALID_FIELD; | |
749 | return reply((struct ib_mad_hdr *)smp); | |
750 | } | |
751 | ||
752 | n_blocks_avail = (u16) (npkeys/OPA_PARTITION_TABLE_BLK_SIZE) + 1; | |
753 | ||
754 | size = (n_blocks_req * OPA_PARTITION_TABLE_BLK_SIZE) * sizeof(u16); | |
755 | ||
756 | if (start_block + n_blocks_req > n_blocks_avail || | |
757 | n_blocks_req > OPA_NUM_PKEY_BLOCKS_PER_SMP) { | |
758 | pr_warn("OPA Get PKey AM Invalid : s 0x%x; req 0x%x; " | |
759 | "avail 0x%x; blk/smp 0x%lx\n", | |
760 | start_block, n_blocks_req, n_blocks_avail, | |
761 | OPA_NUM_PKEY_BLOCKS_PER_SMP); | |
762 | smp->status |= IB_SMP_INVALID_FIELD; | |
763 | return reply((struct ib_mad_hdr *)smp); | |
764 | } | |
765 | ||
766 | p = (__be16 *) data; | |
767 | q = (u16 *)data; | |
768 | /* get the real pkeys if we are requesting the first block */ | |
769 | if (start_block == 0) { | |
770 | get_pkeys(dd, port, q); | |
771 | for (i = 0; i < npkeys; i++) | |
772 | p[i] = cpu_to_be16(q[i]); | |
773 | if (resp_len) | |
774 | *resp_len += size; | |
775 | } else | |
776 | smp->status |= IB_SMP_INVALID_FIELD; | |
777 | ||
778 | return reply((struct ib_mad_hdr *)smp); | |
779 | } | |
780 | ||
781 | enum { | |
782 | HFI_TRANSITION_DISALLOWED, | |
783 | HFI_TRANSITION_IGNORED, | |
784 | HFI_TRANSITION_ALLOWED, | |
785 | HFI_TRANSITION_UNDEFINED, | |
786 | }; | |
787 | ||
788 | /* | |
789 | * Use shortened names to improve readability of | |
790 | * {logical,physical}_state_transitions | |
791 | */ | |
792 | enum { | |
793 | __D = HFI_TRANSITION_DISALLOWED, | |
794 | __I = HFI_TRANSITION_IGNORED, | |
795 | __A = HFI_TRANSITION_ALLOWED, | |
796 | __U = HFI_TRANSITION_UNDEFINED, | |
797 | }; | |
798 | ||
799 | /* | |
800 | * IB_PORTPHYSSTATE_POLLING (2) through OPA_PORTPHYSSTATE_MAX (11) are | |
801 | * represented in physical_state_transitions. | |
802 | */ | |
803 | #define __N_PHYSTATES (OPA_PORTPHYSSTATE_MAX - IB_PORTPHYSSTATE_POLLING + 1) | |
804 | ||
805 | /* | |
806 | * Within physical_state_transitions, rows represent "old" states, | |
807 | * columns "new" states, and physical_state_transitions.allowed[old][new] | |
808 | * indicates if the transition from old state to new state is legal (see | |
809 | * OPAg1v1, Table 6-4). | |
810 | */ | |
811 | static const struct { | |
812 | u8 allowed[__N_PHYSTATES][__N_PHYSTATES]; | |
813 | } physical_state_transitions = { | |
814 | { | |
815 | /* 2 3 4 5 6 7 8 9 10 11 */ | |
816 | /* 2 */ { __A, __A, __D, __D, __D, __D, __D, __D, __D, __D }, | |
817 | /* 3 */ { __A, __I, __D, __D, __D, __D, __D, __D, __D, __A }, | |
818 | /* 4 */ { __U, __U, __U, __U, __U, __U, __U, __U, __U, __U }, | |
819 | /* 5 */ { __A, __A, __D, __I, __D, __D, __D, __D, __D, __D }, | |
820 | /* 6 */ { __U, __U, __U, __U, __U, __U, __U, __U, __U, __U }, | |
821 | /* 7 */ { __D, __A, __D, __D, __D, __I, __D, __D, __D, __D }, | |
822 | /* 8 */ { __U, __U, __U, __U, __U, __U, __U, __U, __U, __U }, | |
823 | /* 9 */ { __I, __A, __D, __D, __D, __D, __D, __I, __D, __D }, | |
824 | /*10 */ { __U, __U, __U, __U, __U, __U, __U, __U, __U, __U }, | |
825 | /*11 */ { __D, __A, __D, __D, __D, __D, __D, __D, __D, __I }, | |
826 | } | |
827 | }; | |
828 | ||
829 | /* | |
830 | * IB_PORT_DOWN (1) through IB_PORT_ACTIVE_DEFER (5) are represented | |
831 | * logical_state_transitions | |
832 | */ | |
833 | ||
834 | #define __N_LOGICAL_STATES (IB_PORT_ACTIVE_DEFER - IB_PORT_DOWN + 1) | |
835 | ||
836 | /* | |
837 | * Within logical_state_transitions rows represent "old" states, | |
838 | * columns "new" states, and logical_state_transitions.allowed[old][new] | |
839 | * indicates if the transition from old state to new state is legal (see | |
840 | * OPAg1v1, Table 9-12). | |
841 | */ | |
842 | static const struct { | |
843 | u8 allowed[__N_LOGICAL_STATES][__N_LOGICAL_STATES]; | |
844 | } logical_state_transitions = { | |
845 | { | |
846 | /* 1 2 3 4 5 */ | |
847 | /* 1 */ { __I, __D, __D, __D, __U}, | |
848 | /* 2 */ { __D, __I, __A, __D, __U}, | |
849 | /* 3 */ { __D, __D, __I, __A, __U}, | |
850 | /* 4 */ { __D, __D, __I, __I, __U}, | |
851 | /* 5 */ { __U, __U, __U, __U, __U}, | |
852 | } | |
853 | }; | |
854 | ||
855 | static int logical_transition_allowed(int old, int new) | |
856 | { | |
857 | if (old < IB_PORT_NOP || old > IB_PORT_ACTIVE_DEFER || | |
858 | new < IB_PORT_NOP || new > IB_PORT_ACTIVE_DEFER) { | |
859 | pr_warn("invalid logical state(s) (old %d new %d)\n", | |
860 | old, new); | |
861 | return HFI_TRANSITION_UNDEFINED; | |
862 | } | |
863 | ||
864 | if (new == IB_PORT_NOP) | |
865 | return HFI_TRANSITION_ALLOWED; /* always allowed */ | |
866 | ||
867 | /* adjust states for indexing into logical_state_transitions */ | |
868 | old -= IB_PORT_DOWN; | |
869 | new -= IB_PORT_DOWN; | |
870 | ||
871 | if (old < 0 || new < 0) | |
872 | return HFI_TRANSITION_UNDEFINED; | |
873 | return logical_state_transitions.allowed[old][new]; | |
874 | } | |
875 | ||
876 | static int physical_transition_allowed(int old, int new) | |
877 | { | |
878 | if (old < IB_PORTPHYSSTATE_NOP || old > OPA_PORTPHYSSTATE_MAX || | |
879 | new < IB_PORTPHYSSTATE_NOP || new > OPA_PORTPHYSSTATE_MAX) { | |
880 | pr_warn("invalid physical state(s) (old %d new %d)\n", | |
881 | old, new); | |
882 | return HFI_TRANSITION_UNDEFINED; | |
883 | } | |
884 | ||
885 | if (new == IB_PORTPHYSSTATE_NOP) | |
886 | return HFI_TRANSITION_ALLOWED; /* always allowed */ | |
887 | ||
888 | /* adjust states for indexing into physical_state_transitions */ | |
889 | old -= IB_PORTPHYSSTATE_POLLING; | |
890 | new -= IB_PORTPHYSSTATE_POLLING; | |
891 | ||
892 | if (old < 0 || new < 0) | |
893 | return HFI_TRANSITION_UNDEFINED; | |
894 | return physical_state_transitions.allowed[old][new]; | |
895 | } | |
896 | ||
897 | static int port_states_transition_allowed(struct hfi1_pportdata *ppd, | |
898 | u32 logical_new, u32 physical_new) | |
899 | { | |
900 | u32 physical_old = driver_physical_state(ppd); | |
901 | u32 logical_old = driver_logical_state(ppd); | |
902 | int ret, logical_allowed, physical_allowed; | |
903 | ||
904 | logical_allowed = ret = | |
905 | logical_transition_allowed(logical_old, logical_new); | |
906 | ||
907 | if (ret == HFI_TRANSITION_DISALLOWED || | |
908 | ret == HFI_TRANSITION_UNDEFINED) { | |
909 | pr_warn("invalid logical state transition %s -> %s\n", | |
910 | opa_lstate_name(logical_old), | |
911 | opa_lstate_name(logical_new)); | |
912 | return ret; | |
913 | } | |
914 | ||
915 | physical_allowed = ret = | |
916 | physical_transition_allowed(physical_old, physical_new); | |
917 | ||
918 | if (ret == HFI_TRANSITION_DISALLOWED || | |
919 | ret == HFI_TRANSITION_UNDEFINED) { | |
920 | pr_warn("invalid physical state transition %s -> %s\n", | |
921 | opa_pstate_name(physical_old), | |
922 | opa_pstate_name(physical_new)); | |
923 | return ret; | |
924 | } | |
925 | ||
926 | if (logical_allowed == HFI_TRANSITION_IGNORED && | |
927 | physical_allowed == HFI_TRANSITION_IGNORED) | |
928 | return HFI_TRANSITION_IGNORED; | |
929 | ||
930 | /* | |
931 | * Either physical_allowed or logical_allowed is | |
932 | * HFI_TRANSITION_ALLOWED. | |
933 | */ | |
934 | return HFI_TRANSITION_ALLOWED; | |
935 | } | |
936 | ||
937 | static int set_port_states(struct hfi1_pportdata *ppd, struct opa_smp *smp, | |
938 | u32 logical_state, u32 phys_state, | |
939 | int suppress_idle_sma) | |
940 | { | |
941 | struct hfi1_devdata *dd = ppd->dd; | |
942 | u32 link_state; | |
943 | int ret; | |
944 | ||
945 | ret = port_states_transition_allowed(ppd, logical_state, phys_state); | |
946 | if (ret == HFI_TRANSITION_DISALLOWED || | |
947 | ret == HFI_TRANSITION_UNDEFINED) { | |
948 | /* error message emitted above */ | |
949 | smp->status |= IB_SMP_INVALID_FIELD; | |
950 | return 0; | |
951 | } | |
952 | ||
953 | if (ret == HFI_TRANSITION_IGNORED) | |
954 | return 0; | |
955 | ||
956 | if ((phys_state != IB_PORTPHYSSTATE_NOP) && | |
957 | !(logical_state == IB_PORT_DOWN || | |
958 | logical_state == IB_PORT_NOP)){ | |
959 | pr_warn("SubnSet(OPA_PortInfo) port state invalid: logical_state 0x%x physical_state 0x%x\n", | |
960 | logical_state, phys_state); | |
961 | smp->status |= IB_SMP_INVALID_FIELD; | |
962 | } | |
963 | ||
964 | /* | |
965 | * Logical state changes are summarized in OPAv1g1 spec., | |
966 | * Table 9-12; physical state changes are summarized in | |
967 | * OPAv1g1 spec., Table 6.4. | |
968 | */ | |
969 | switch (logical_state) { | |
970 | case IB_PORT_NOP: | |
971 | if (phys_state == IB_PORTPHYSSTATE_NOP) | |
972 | break; | |
973 | /* FALLTHROUGH */ | |
974 | case IB_PORT_DOWN: | |
975 | if (phys_state == IB_PORTPHYSSTATE_NOP) | |
976 | link_state = HLS_DN_DOWNDEF; | |
977 | else if (phys_state == IB_PORTPHYSSTATE_POLLING) { | |
978 | link_state = HLS_DN_POLL; | |
979 | set_link_down_reason(ppd, | |
980 | OPA_LINKDOWN_REASON_FM_BOUNCE, 0, | |
981 | OPA_LINKDOWN_REASON_FM_BOUNCE); | |
982 | } else if (phys_state == IB_PORTPHYSSTATE_DISABLED) | |
983 | link_state = HLS_DN_DISABLE; | |
984 | else { | |
985 | pr_warn("SubnSet(OPA_PortInfo) invalid physical state 0x%x\n", | |
986 | phys_state); | |
987 | smp->status |= IB_SMP_INVALID_FIELD; | |
988 | break; | |
989 | } | |
990 | ||
991 | set_link_state(ppd, link_state); | |
992 | if (link_state == HLS_DN_DISABLE && | |
993 | (ppd->offline_disabled_reason > | |
994 | OPA_LINKDOWN_REASON_SMA_DISABLED || | |
995 | ppd->offline_disabled_reason == | |
996 | OPA_LINKDOWN_REASON_NONE)) | |
997 | ppd->offline_disabled_reason = | |
998 | OPA_LINKDOWN_REASON_SMA_DISABLED; | |
999 | /* | |
1000 | * Don't send a reply if the response would be sent | |
1001 | * through the disabled port. | |
1002 | */ | |
1003 | if (link_state == HLS_DN_DISABLE && smp->hop_cnt) | |
1004 | return IB_MAD_RESULT_SUCCESS | IB_MAD_RESULT_CONSUMED; | |
1005 | break; | |
1006 | case IB_PORT_ARMED: | |
1007 | ret = set_link_state(ppd, HLS_UP_ARMED); | |
1008 | if ((ret == 0) && (suppress_idle_sma == 0)) | |
1009 | send_idle_sma(dd, SMA_IDLE_ARM); | |
1010 | break; | |
1011 | case IB_PORT_ACTIVE: | |
1012 | if (ppd->neighbor_normal) { | |
1013 | ret = set_link_state(ppd, HLS_UP_ACTIVE); | |
1014 | if (ret == 0) | |
1015 | send_idle_sma(dd, SMA_IDLE_ACTIVE); | |
1016 | } else { | |
1017 | pr_warn("SubnSet(OPA_PortInfo) Cannot move to Active with NeighborNormal 0\n"); | |
1018 | smp->status |= IB_SMP_INVALID_FIELD; | |
1019 | } | |
1020 | break; | |
1021 | default: | |
1022 | pr_warn("SubnSet(OPA_PortInfo) invalid logical state 0x%x\n", | |
1023 | logical_state); | |
1024 | smp->status |= IB_SMP_INVALID_FIELD; | |
1025 | } | |
1026 | ||
1027 | return 0; | |
1028 | } | |
1029 | ||
1030 | /** | |
1031 | * subn_set_opa_portinfo - set port information | |
1032 | * @smp: the incoming SM packet | |
1033 | * @ibdev: the infiniband device | |
1034 | * @port: the port on the device | |
1035 | * | |
1036 | */ | |
1037 | static int __subn_set_opa_portinfo(struct opa_smp *smp, u32 am, u8 *data, | |
1038 | struct ib_device *ibdev, u8 port, | |
1039 | u32 *resp_len) | |
1040 | { | |
1041 | struct opa_port_info *pi = (struct opa_port_info *)data; | |
1042 | struct ib_event event; | |
1043 | struct hfi1_devdata *dd; | |
1044 | struct hfi1_pportdata *ppd; | |
1045 | struct hfi1_ibport *ibp; | |
1046 | u8 clientrereg; | |
1047 | unsigned long flags; | |
1048 | u32 smlid, opa_lid; /* tmp vars to hold LID values */ | |
1049 | u16 lid; | |
1050 | u8 ls_old, ls_new, ps_new; | |
1051 | u8 vls; | |
1052 | u8 msl; | |
1053 | u8 crc_enabled; | |
1054 | u16 lse, lwe, mtu; | |
1055 | u32 num_ports = OPA_AM_NPORT(am); | |
1056 | u32 start_of_sm_config = OPA_AM_START_SM_CFG(am); | |
1057 | int ret, i, invalid = 0, call_set_mtu = 0; | |
1058 | int call_link_downgrade_policy = 0; | |
1059 | ||
1060 | if (num_ports != 1) { | |
1061 | smp->status |= IB_SMP_INVALID_FIELD; | |
1062 | return reply((struct ib_mad_hdr *)smp); | |
1063 | } | |
1064 | ||
1065 | opa_lid = be32_to_cpu(pi->lid); | |
1066 | if (opa_lid & 0xFFFF0000) { | |
1067 | pr_warn("OPA_PortInfo lid out of range: %X\n", opa_lid); | |
1068 | smp->status |= IB_SMP_INVALID_FIELD; | |
1069 | goto get_only; | |
1070 | } | |
1071 | ||
1072 | lid = (u16)(opa_lid & 0x0000FFFF); | |
1073 | ||
1074 | smlid = be32_to_cpu(pi->sm_lid); | |
1075 | if (smlid & 0xFFFF0000) { | |
1076 | pr_warn("OPA_PortInfo SM lid out of range: %X\n", smlid); | |
1077 | smp->status |= IB_SMP_INVALID_FIELD; | |
1078 | goto get_only; | |
1079 | } | |
1080 | smlid &= 0x0000FFFF; | |
1081 | ||
1082 | clientrereg = (pi->clientrereg_subnettimeout & | |
1083 | OPA_PI_MASK_CLIENT_REREGISTER); | |
1084 | ||
1085 | dd = dd_from_ibdev(ibdev); | |
1086 | /* IB numbers ports from 1, hw from 0 */ | |
1087 | ppd = dd->pport + (port - 1); | |
1088 | ibp = &ppd->ibport_data; | |
1089 | event.device = ibdev; | |
1090 | event.element.port_num = port; | |
1091 | ||
1092 | ls_old = driver_lstate(ppd); | |
1093 | ||
1094 | ibp->mkey = pi->mkey; | |
1095 | ibp->gid_prefix = pi->subnet_prefix; | |
1096 | ibp->mkey_lease_period = be16_to_cpu(pi->mkey_lease_period); | |
1097 | ||
1098 | /* Must be a valid unicast LID address. */ | |
1099 | if ((lid == 0 && ls_old > IB_PORT_INIT) || | |
8859b4a6 | 1100 | lid >= be16_to_cpu(IB_MULTICAST_LID_BASE)) { |
77241056 MM |
1101 | smp->status |= IB_SMP_INVALID_FIELD; |
1102 | pr_warn("SubnSet(OPA_PortInfo) lid invalid 0x%x\n", | |
1103 | lid); | |
1104 | } else if (ppd->lid != lid || | |
1105 | ppd->lmc != (pi->mkeyprotect_lmc & OPA_PI_MASK_LMC)) { | |
1106 | if (ppd->lid != lid) | |
1107 | hfi1_set_uevent_bits(ppd, _HFI1_EVENT_LID_CHANGE_BIT); | |
1108 | if (ppd->lmc != (pi->mkeyprotect_lmc & OPA_PI_MASK_LMC)) | |
1109 | hfi1_set_uevent_bits(ppd, _HFI1_EVENT_LMC_CHANGE_BIT); | |
1110 | hfi1_set_lid(ppd, lid, pi->mkeyprotect_lmc & OPA_PI_MASK_LMC); | |
1111 | event.event = IB_EVENT_LID_CHANGE; | |
1112 | ib_dispatch_event(&event); | |
1113 | } | |
1114 | ||
1115 | msl = pi->smsl & OPA_PI_MASK_SMSL; | |
1116 | if (pi->partenforce_filterraw & OPA_PI_MASK_LINKINIT_REASON) | |
1117 | ppd->linkinit_reason = | |
1118 | (pi->partenforce_filterraw & | |
1119 | OPA_PI_MASK_LINKINIT_REASON); | |
1120 | /* enable/disable SW pkey checking as per FM control */ | |
1121 | if (pi->partenforce_filterraw & OPA_PI_MASK_PARTITION_ENFORCE_IN) | |
1122 | ppd->part_enforce |= HFI1_PART_ENFORCE_IN; | |
1123 | else | |
1124 | ppd->part_enforce &= ~HFI1_PART_ENFORCE_IN; | |
1125 | ||
1126 | if (pi->partenforce_filterraw & OPA_PI_MASK_PARTITION_ENFORCE_OUT) | |
1127 | ppd->part_enforce |= HFI1_PART_ENFORCE_OUT; | |
1128 | else | |
1129 | ppd->part_enforce &= ~HFI1_PART_ENFORCE_OUT; | |
1130 | ||
1131 | /* Must be a valid unicast LID address. */ | |
1132 | if ((smlid == 0 && ls_old > IB_PORT_INIT) || | |
8859b4a6 | 1133 | smlid >= be16_to_cpu(IB_MULTICAST_LID_BASE)) { |
77241056 MM |
1134 | smp->status |= IB_SMP_INVALID_FIELD; |
1135 | pr_warn("SubnSet(OPA_PortInfo) smlid invalid 0x%x\n", smlid); | |
1136 | } else if (smlid != ibp->sm_lid || msl != ibp->sm_sl) { | |
1137 | pr_warn("SubnSet(OPA_PortInfo) smlid 0x%x\n", smlid); | |
1138 | spin_lock_irqsave(&ibp->lock, flags); | |
1139 | if (ibp->sm_ah) { | |
1140 | if (smlid != ibp->sm_lid) | |
1141 | ibp->sm_ah->attr.dlid = smlid; | |
1142 | if (msl != ibp->sm_sl) | |
1143 | ibp->sm_ah->attr.sl = msl; | |
1144 | } | |
1145 | spin_unlock_irqrestore(&ibp->lock, flags); | |
1146 | if (smlid != ibp->sm_lid) | |
1147 | ibp->sm_lid = smlid; | |
1148 | if (msl != ibp->sm_sl) | |
1149 | ibp->sm_sl = msl; | |
1150 | event.event = IB_EVENT_SM_CHANGE; | |
1151 | ib_dispatch_event(&event); | |
1152 | } | |
1153 | ||
1154 | if (pi->link_down_reason == 0) { | |
1155 | ppd->local_link_down_reason.sma = 0; | |
1156 | ppd->local_link_down_reason.latest = 0; | |
1157 | } | |
1158 | ||
1159 | if (pi->neigh_link_down_reason == 0) { | |
1160 | ppd->neigh_link_down_reason.sma = 0; | |
1161 | ppd->neigh_link_down_reason.latest = 0; | |
1162 | } | |
1163 | ||
1164 | ppd->sm_trap_qp = be32_to_cpu(pi->sm_trap_qp); | |
1165 | ppd->sa_qp = be32_to_cpu(pi->sa_qp); | |
1166 | ||
1167 | ppd->port_error_action = be32_to_cpu(pi->port_error_action); | |
1168 | lwe = be16_to_cpu(pi->link_width.enabled); | |
1169 | if (lwe) { | |
1170 | if (lwe == OPA_LINK_WIDTH_RESET | |
1171 | || lwe == OPA_LINK_WIDTH_RESET_OLD) | |
1172 | set_link_width_enabled(ppd, ppd->link_width_supported); | |
1173 | else if ((lwe & ~ppd->link_width_supported) == 0) | |
1174 | set_link_width_enabled(ppd, lwe); | |
1175 | else | |
1176 | smp->status |= IB_SMP_INVALID_FIELD; | |
1177 | } | |
1178 | lwe = be16_to_cpu(pi->link_width_downgrade.enabled); | |
1179 | /* LWD.E is always applied - 0 means "disabled" */ | |
1180 | if (lwe == OPA_LINK_WIDTH_RESET | |
1181 | || lwe == OPA_LINK_WIDTH_RESET_OLD) { | |
1182 | set_link_width_downgrade_enabled(ppd, | |
1183 | ppd->link_width_downgrade_supported); | |
1184 | } else if ((lwe & ~ppd->link_width_downgrade_supported) == 0) { | |
1185 | /* only set and apply if something changed */ | |
1186 | if (lwe != ppd->link_width_downgrade_enabled) { | |
1187 | set_link_width_downgrade_enabled(ppd, lwe); | |
1188 | call_link_downgrade_policy = 1; | |
1189 | } | |
1190 | } else | |
1191 | smp->status |= IB_SMP_INVALID_FIELD; | |
1192 | ||
1193 | lse = be16_to_cpu(pi->link_speed.enabled); | |
1194 | if (lse) { | |
1195 | if (lse & be16_to_cpu(pi->link_speed.supported)) | |
1196 | set_link_speed_enabled(ppd, lse); | |
1197 | else | |
1198 | smp->status |= IB_SMP_INVALID_FIELD; | |
1199 | } | |
1200 | ||
1201 | ibp->mkeyprot = (pi->mkeyprotect_lmc & OPA_PI_MASK_MKEY_PROT_BIT) >> 6; | |
1202 | ibp->vl_high_limit = be16_to_cpu(pi->vl.high_limit) & 0xFF; | |
1203 | (void)hfi1_set_ib_cfg(ppd, HFI1_IB_CFG_VL_HIGH_LIMIT, | |
1204 | ibp->vl_high_limit); | |
1205 | ||
1206 | if (ppd->vls_supported/2 > ARRAY_SIZE(pi->neigh_mtu.pvlx_to_mtu) || | |
1207 | ppd->vls_supported > ARRAY_SIZE(dd->vld)) { | |
1208 | smp->status |= IB_SMP_INVALID_FIELD; | |
1209 | return reply((struct ib_mad_hdr *)smp); | |
1210 | } | |
1211 | for (i = 0; i < ppd->vls_supported; i++) { | |
1212 | if ((i % 2) == 0) | |
1213 | mtu = enum_to_mtu((pi->neigh_mtu.pvlx_to_mtu[i/2] >> 4) | |
1214 | & 0xF); | |
1215 | else | |
1216 | mtu = enum_to_mtu(pi->neigh_mtu.pvlx_to_mtu[i/2] & 0xF); | |
1217 | if (mtu == 0xffff) { | |
1218 | pr_warn("SubnSet(OPA_PortInfo) mtu invalid %d (0x%x)\n", | |
1219 | mtu, | |
1220 | (pi->neigh_mtu.pvlx_to_mtu[0] >> 4) & 0xF); | |
1221 | smp->status |= IB_SMP_INVALID_FIELD; | |
1222 | mtu = hfi1_max_mtu; /* use a valid MTU */ | |
1223 | } | |
1224 | if (dd->vld[i].mtu != mtu) { | |
1225 | dd_dev_info(dd, | |
1226 | "MTU change on vl %d from %d to %d\n", | |
1227 | i, dd->vld[i].mtu, mtu); | |
1228 | dd->vld[i].mtu = mtu; | |
1229 | call_set_mtu++; | |
1230 | } | |
1231 | } | |
1232 | /* As per OPAV1 spec: VL15 must support and be configured | |
1233 | * for operation with a 2048 or larger MTU. | |
1234 | */ | |
1235 | mtu = enum_to_mtu(pi->neigh_mtu.pvlx_to_mtu[15/2] & 0xF); | |
1236 | if (mtu < 2048 || mtu == 0xffff) | |
1237 | mtu = 2048; | |
1238 | if (dd->vld[15].mtu != mtu) { | |
1239 | dd_dev_info(dd, | |
1240 | "MTU change on vl 15 from %d to %d\n", | |
1241 | dd->vld[15].mtu, mtu); | |
1242 | dd->vld[15].mtu = mtu; | |
1243 | call_set_mtu++; | |
1244 | } | |
1245 | if (call_set_mtu) | |
1246 | set_mtu(ppd); | |
1247 | ||
1248 | /* Set operational VLs */ | |
1249 | vls = pi->operational_vls & OPA_PI_MASK_OPERATIONAL_VL; | |
1250 | if (vls) { | |
1251 | if (vls > ppd->vls_supported) { | |
1252 | pr_warn("SubnSet(OPA_PortInfo) VL's supported invalid %d\n", | |
1253 | pi->operational_vls); | |
1254 | smp->status |= IB_SMP_INVALID_FIELD; | |
1255 | } else { | |
1256 | if (hfi1_set_ib_cfg(ppd, HFI1_IB_CFG_OP_VLS, | |
1257 | vls) == -EINVAL) | |
1258 | smp->status |= IB_SMP_INVALID_FIELD; | |
1259 | } | |
1260 | } | |
1261 | ||
1262 | if (pi->mkey_violations == 0) | |
1263 | ibp->mkey_violations = 0; | |
1264 | ||
1265 | if (pi->pkey_violations == 0) | |
1266 | ibp->pkey_violations = 0; | |
1267 | ||
1268 | if (pi->qkey_violations == 0) | |
1269 | ibp->qkey_violations = 0; | |
1270 | ||
1271 | ibp->subnet_timeout = | |
1272 | pi->clientrereg_subnettimeout & OPA_PI_MASK_SUBNET_TIMEOUT; | |
1273 | ||
1274 | crc_enabled = be16_to_cpu(pi->port_ltp_crc_mode); | |
1275 | crc_enabled >>= 4; | |
1276 | crc_enabled &= 0xf; | |
1277 | ||
1278 | if (crc_enabled != 0) | |
1279 | ppd->port_crc_mode_enabled = port_ltp_to_cap(crc_enabled); | |
1280 | ||
1281 | ppd->is_active_optimize_enabled = | |
1282 | !!(be16_to_cpu(pi->port_mode) | |
1283 | & OPA_PI_MASK_PORT_ACTIVE_OPTOMIZE); | |
1284 | ||
1285 | ls_new = pi->port_states.portphysstate_portstate & | |
1286 | OPA_PI_MASK_PORT_STATE; | |
1287 | ps_new = (pi->port_states.portphysstate_portstate & | |
1288 | OPA_PI_MASK_PORT_PHYSICAL_STATE) >> 4; | |
1289 | ||
1290 | if (ls_old == IB_PORT_INIT) { | |
1291 | if (start_of_sm_config) { | |
1292 | if (ls_new == ls_old || (ls_new == IB_PORT_ARMED)) | |
1293 | ppd->is_sm_config_started = 1; | |
1294 | } else if (ls_new == IB_PORT_ARMED) { | |
1295 | if (ppd->is_sm_config_started == 0) | |
1296 | invalid = 1; | |
1297 | } | |
1298 | } | |
1299 | ||
1300 | /* Handle CLIENT_REREGISTER event b/c SM asked us for it */ | |
1301 | if (clientrereg) { | |
1302 | event.event = IB_EVENT_CLIENT_REREGISTER; | |
1303 | ib_dispatch_event(&event); | |
1304 | } | |
1305 | ||
1306 | /* | |
1307 | * Do the port state change now that the other link parameters | |
1308 | * have been set. | |
1309 | * Changing the port physical state only makes sense if the link | |
1310 | * is down or is being set to down. | |
1311 | */ | |
1312 | ||
1313 | ret = set_port_states(ppd, smp, ls_new, ps_new, invalid); | |
1314 | if (ret) | |
1315 | return ret; | |
1316 | ||
1317 | ret = __subn_get_opa_portinfo(smp, am, data, ibdev, port, resp_len); | |
1318 | ||
1319 | /* restore re-reg bit per o14-12.2.1 */ | |
1320 | pi->clientrereg_subnettimeout |= clientrereg; | |
1321 | ||
1322 | /* | |
1323 | * Apply the new link downgrade policy. This may result in a link | |
1324 | * bounce. Do this after everything else so things are settled. | |
1325 | * Possible problem: if setting the port state above fails, then | |
1326 | * the policy change is not applied. | |
1327 | */ | |
1328 | if (call_link_downgrade_policy) | |
1329 | apply_link_downgrade_policy(ppd, 0); | |
1330 | ||
1331 | return ret; | |
1332 | ||
1333 | get_only: | |
1334 | return __subn_get_opa_portinfo(smp, am, data, ibdev, port, resp_len); | |
1335 | } | |
1336 | ||
1337 | /** | |
1338 | * set_pkeys - set the PKEY table for ctxt 0 | |
1339 | * @dd: the hfi1_ib device | |
1340 | * @port: the IB port number | |
1341 | * @pkeys: the PKEY table | |
1342 | */ | |
1343 | static int set_pkeys(struct hfi1_devdata *dd, u8 port, u16 *pkeys) | |
1344 | { | |
1345 | struct hfi1_pportdata *ppd; | |
1346 | int i; | |
1347 | int changed = 0; | |
1348 | int update_includes_mgmt_partition = 0; | |
1349 | ||
1350 | /* | |
1351 | * IB port one/two always maps to context zero/one, | |
1352 | * always a kernel context, no locking needed | |
1353 | * If we get here with ppd setup, no need to check | |
1354 | * that rcd is valid. | |
1355 | */ | |
1356 | ppd = dd->pport + (port - 1); | |
1357 | /* | |
1358 | * If the update does not include the management pkey, don't do it. | |
1359 | */ | |
1360 | for (i = 0; i < ARRAY_SIZE(ppd->pkeys); i++) { | |
1361 | if (pkeys[i] == LIM_MGMT_P_KEY) { | |
1362 | update_includes_mgmt_partition = 1; | |
1363 | break; | |
1364 | } | |
1365 | } | |
1366 | ||
1367 | if (!update_includes_mgmt_partition) | |
1368 | return 1; | |
1369 | ||
1370 | for (i = 0; i < ARRAY_SIZE(ppd->pkeys); i++) { | |
1371 | u16 key = pkeys[i]; | |
1372 | u16 okey = ppd->pkeys[i]; | |
1373 | ||
1374 | if (key == okey) | |
1375 | continue; | |
1376 | /* | |
1377 | * The SM gives us the complete PKey table. We have | |
1378 | * to ensure that we put the PKeys in the matching | |
1379 | * slots. | |
1380 | */ | |
1381 | ppd->pkeys[i] = key; | |
1382 | changed = 1; | |
1383 | } | |
1384 | ||
1385 | if (changed) { | |
1386 | struct ib_event event; | |
1387 | ||
1388 | (void)hfi1_set_ib_cfg(ppd, HFI1_IB_CFG_PKEYS, 0); | |
1389 | ||
1390 | event.event = IB_EVENT_PKEY_CHANGE; | |
ec3f2c12 | 1391 | event.device = &dd->verbs_dev.rdi.ibdev; |
77241056 MM |
1392 | event.element.port_num = port; |
1393 | ib_dispatch_event(&event); | |
1394 | } | |
1395 | return 0; | |
1396 | } | |
1397 | ||
1398 | static int __subn_set_opa_pkeytable(struct opa_smp *smp, u32 am, u8 *data, | |
1399 | struct ib_device *ibdev, u8 port, | |
1400 | u32 *resp_len) | |
1401 | { | |
1402 | struct hfi1_devdata *dd = dd_from_ibdev(ibdev); | |
1403 | u32 n_blocks_sent = OPA_AM_NBLK(am); | |
1404 | u32 start_block = am & 0x7ff; | |
1405 | u16 *p = (u16 *) data; | |
1406 | __be16 *q = (__be16 *)data; | |
1407 | int i; | |
1408 | u16 n_blocks_avail; | |
1409 | unsigned npkeys = hfi1_get_npkeys(dd); | |
1410 | ||
1411 | if (n_blocks_sent == 0) { | |
1412 | pr_warn("OPA Get PKey AM Invalid : P = %d; B = 0x%x; N = 0x%x\n", | |
1413 | port, start_block, n_blocks_sent); | |
1414 | smp->status |= IB_SMP_INVALID_FIELD; | |
1415 | return reply((struct ib_mad_hdr *)smp); | |
1416 | } | |
1417 | ||
1418 | n_blocks_avail = (u16)(npkeys/OPA_PARTITION_TABLE_BLK_SIZE) + 1; | |
1419 | ||
1420 | if (start_block + n_blocks_sent > n_blocks_avail || | |
1421 | n_blocks_sent > OPA_NUM_PKEY_BLOCKS_PER_SMP) { | |
1422 | pr_warn("OPA Set PKey AM Invalid : s 0x%x; req 0x%x; avail 0x%x; blk/smp 0x%lx\n", | |
1423 | start_block, n_blocks_sent, n_blocks_avail, | |
1424 | OPA_NUM_PKEY_BLOCKS_PER_SMP); | |
1425 | smp->status |= IB_SMP_INVALID_FIELD; | |
1426 | return reply((struct ib_mad_hdr *)smp); | |
1427 | } | |
1428 | ||
1429 | for (i = 0; i < n_blocks_sent * OPA_PARTITION_TABLE_BLK_SIZE; i++) | |
1430 | p[i] = be16_to_cpu(q[i]); | |
1431 | ||
1432 | if (start_block == 0 && set_pkeys(dd, port, p) != 0) { | |
1433 | smp->status |= IB_SMP_INVALID_FIELD; | |
1434 | return reply((struct ib_mad_hdr *)smp); | |
1435 | } | |
1436 | ||
1437 | return __subn_get_opa_pkeytable(smp, am, data, ibdev, port, resp_len); | |
1438 | } | |
1439 | ||
1440 | static int get_sc2vlt_tables(struct hfi1_devdata *dd, void *data) | |
1441 | { | |
a787bde8 | 1442 | u64 *val = data; |
77241056 MM |
1443 | |
1444 | *val++ = read_csr(dd, SEND_SC2VLT0); | |
1445 | *val++ = read_csr(dd, SEND_SC2VLT1); | |
1446 | *val++ = read_csr(dd, SEND_SC2VLT2); | |
1447 | *val++ = read_csr(dd, SEND_SC2VLT3); | |
1448 | return 0; | |
1449 | } | |
1450 | ||
1451 | #define ILLEGAL_VL 12 | |
1452 | /* | |
1453 | * filter_sc2vlt changes mappings to VL15 to ILLEGAL_VL (except | |
1454 | * for SC15, which must map to VL15). If we don't remap things this | |
1455 | * way it is possible for VL15 counters to increment when we try to | |
1456 | * send on a SC which is mapped to an invalid VL. | |
1457 | */ | |
1458 | static void filter_sc2vlt(void *data) | |
1459 | { | |
1460 | int i; | |
a787bde8 | 1461 | u8 *pd = data; |
77241056 MM |
1462 | |
1463 | for (i = 0; i < OPA_MAX_SCS; i++) { | |
1464 | if (i == 15) | |
1465 | continue; | |
1466 | if ((pd[i] & 0x1f) == 0xf) | |
1467 | pd[i] = ILLEGAL_VL; | |
1468 | } | |
1469 | } | |
1470 | ||
1471 | static int set_sc2vlt_tables(struct hfi1_devdata *dd, void *data) | |
1472 | { | |
a787bde8 | 1473 | u64 *val = data; |
77241056 MM |
1474 | |
1475 | filter_sc2vlt(data); | |
1476 | ||
1477 | write_csr(dd, SEND_SC2VLT0, *val++); | |
1478 | write_csr(dd, SEND_SC2VLT1, *val++); | |
1479 | write_csr(dd, SEND_SC2VLT2, *val++); | |
1480 | write_csr(dd, SEND_SC2VLT3, *val++); | |
1481 | write_seqlock_irq(&dd->sc2vl_lock); | |
a787bde8 | 1482 | memcpy(dd->sc2vl, data, sizeof(dd->sc2vl)); |
77241056 MM |
1483 | write_sequnlock_irq(&dd->sc2vl_lock); |
1484 | return 0; | |
1485 | } | |
1486 | ||
1487 | static int __subn_get_opa_sl_to_sc(struct opa_smp *smp, u32 am, u8 *data, | |
1488 | struct ib_device *ibdev, u8 port, | |
1489 | u32 *resp_len) | |
1490 | { | |
1491 | struct hfi1_ibport *ibp = to_iport(ibdev, port); | |
6618c051 | 1492 | u8 *p = data; |
77241056 MM |
1493 | size_t size = ARRAY_SIZE(ibp->sl_to_sc); /* == 32 */ |
1494 | unsigned i; | |
1495 | ||
1496 | if (am) { | |
1497 | smp->status |= IB_SMP_INVALID_FIELD; | |
1498 | return reply((struct ib_mad_hdr *)smp); | |
1499 | } | |
1500 | ||
1501 | for (i = 0; i < ARRAY_SIZE(ibp->sl_to_sc); i++) | |
1502 | *p++ = ibp->sl_to_sc[i]; | |
1503 | ||
1504 | if (resp_len) | |
1505 | *resp_len += size; | |
1506 | ||
1507 | return reply((struct ib_mad_hdr *)smp); | |
1508 | } | |
1509 | ||
1510 | static int __subn_set_opa_sl_to_sc(struct opa_smp *smp, u32 am, u8 *data, | |
1511 | struct ib_device *ibdev, u8 port, | |
1512 | u32 *resp_len) | |
1513 | { | |
1514 | struct hfi1_ibport *ibp = to_iport(ibdev, port); | |
6618c051 | 1515 | u8 *p = data; |
77241056 MM |
1516 | int i; |
1517 | ||
1518 | if (am) { | |
1519 | smp->status |= IB_SMP_INVALID_FIELD; | |
1520 | return reply((struct ib_mad_hdr *)smp); | |
1521 | } | |
1522 | ||
1523 | for (i = 0; i < ARRAY_SIZE(ibp->sl_to_sc); i++) | |
1524 | ibp->sl_to_sc[i] = *p++; | |
1525 | ||
1526 | return __subn_get_opa_sl_to_sc(smp, am, data, ibdev, port, resp_len); | |
1527 | } | |
1528 | ||
1529 | static int __subn_get_opa_sc_to_sl(struct opa_smp *smp, u32 am, u8 *data, | |
1530 | struct ib_device *ibdev, u8 port, | |
1531 | u32 *resp_len) | |
1532 | { | |
1533 | struct hfi1_ibport *ibp = to_iport(ibdev, port); | |
6618c051 | 1534 | u8 *p = data; |
77241056 MM |
1535 | size_t size = ARRAY_SIZE(ibp->sc_to_sl); /* == 32 */ |
1536 | unsigned i; | |
1537 | ||
1538 | if (am) { | |
1539 | smp->status |= IB_SMP_INVALID_FIELD; | |
1540 | return reply((struct ib_mad_hdr *)smp); | |
1541 | } | |
1542 | ||
1543 | for (i = 0; i < ARRAY_SIZE(ibp->sc_to_sl); i++) | |
1544 | *p++ = ibp->sc_to_sl[i]; | |
1545 | ||
1546 | if (resp_len) | |
1547 | *resp_len += size; | |
1548 | ||
1549 | return reply((struct ib_mad_hdr *)smp); | |
1550 | } | |
1551 | ||
1552 | static int __subn_set_opa_sc_to_sl(struct opa_smp *smp, u32 am, u8 *data, | |
1553 | struct ib_device *ibdev, u8 port, | |
1554 | u32 *resp_len) | |
1555 | { | |
1556 | struct hfi1_ibport *ibp = to_iport(ibdev, port); | |
6618c051 | 1557 | u8 *p = data; |
77241056 MM |
1558 | int i; |
1559 | ||
1560 | if (am) { | |
1561 | smp->status |= IB_SMP_INVALID_FIELD; | |
1562 | return reply((struct ib_mad_hdr *)smp); | |
1563 | } | |
1564 | ||
1565 | for (i = 0; i < ARRAY_SIZE(ibp->sc_to_sl); i++) | |
1566 | ibp->sc_to_sl[i] = *p++; | |
1567 | ||
1568 | return __subn_get_opa_sc_to_sl(smp, am, data, ibdev, port, resp_len); | |
1569 | } | |
1570 | ||
1571 | static int __subn_get_opa_sc_to_vlt(struct opa_smp *smp, u32 am, u8 *data, | |
1572 | struct ib_device *ibdev, u8 port, | |
1573 | u32 *resp_len) | |
1574 | { | |
1575 | u32 n_blocks = OPA_AM_NBLK(am); | |
1576 | struct hfi1_devdata *dd = dd_from_ibdev(ibdev); | |
1577 | void *vp = (void *) data; | |
1578 | size_t size = 4 * sizeof(u64); | |
1579 | ||
1580 | if (n_blocks != 1) { | |
1581 | smp->status |= IB_SMP_INVALID_FIELD; | |
1582 | return reply((struct ib_mad_hdr *)smp); | |
1583 | } | |
1584 | ||
1585 | get_sc2vlt_tables(dd, vp); | |
1586 | ||
1587 | if (resp_len) | |
1588 | *resp_len += size; | |
1589 | ||
1590 | return reply((struct ib_mad_hdr *)smp); | |
1591 | } | |
1592 | ||
1593 | static int __subn_set_opa_sc_to_vlt(struct opa_smp *smp, u32 am, u8 *data, | |
1594 | struct ib_device *ibdev, u8 port, | |
1595 | u32 *resp_len) | |
1596 | { | |
1597 | u32 n_blocks = OPA_AM_NBLK(am); | |
1598 | int async_update = OPA_AM_ASYNC(am); | |
1599 | struct hfi1_devdata *dd = dd_from_ibdev(ibdev); | |
1600 | void *vp = (void *) data; | |
1601 | struct hfi1_pportdata *ppd; | |
1602 | int lstate; | |
1603 | ||
1604 | if (n_blocks != 1 || async_update) { | |
1605 | smp->status |= IB_SMP_INVALID_FIELD; | |
1606 | return reply((struct ib_mad_hdr *)smp); | |
1607 | } | |
1608 | ||
1609 | /* IB numbers ports from 1, hw from 0 */ | |
1610 | ppd = dd->pport + (port - 1); | |
1611 | lstate = driver_lstate(ppd); | |
1612 | /* it's known that async_update is 0 by this point, but include | |
1613 | * the explicit check for clarity */ | |
1614 | if (!async_update && | |
1615 | (lstate == IB_PORT_ARMED || lstate == IB_PORT_ACTIVE)) { | |
1616 | smp->status |= IB_SMP_INVALID_FIELD; | |
1617 | return reply((struct ib_mad_hdr *)smp); | |
1618 | } | |
1619 | ||
1620 | set_sc2vlt_tables(dd, vp); | |
1621 | ||
1622 | return __subn_get_opa_sc_to_vlt(smp, am, data, ibdev, port, resp_len); | |
1623 | } | |
1624 | ||
1625 | static int __subn_get_opa_sc_to_vlnt(struct opa_smp *smp, u32 am, u8 *data, | |
1626 | struct ib_device *ibdev, u8 port, | |
1627 | u32 *resp_len) | |
1628 | { | |
1629 | u32 n_blocks = OPA_AM_NPORT(am); | |
1630 | struct hfi1_devdata *dd = dd_from_ibdev(ibdev); | |
1631 | struct hfi1_pportdata *ppd; | |
1632 | void *vp = (void *) data; | |
1633 | int size; | |
1634 | ||
1635 | if (n_blocks != 1) { | |
1636 | smp->status |= IB_SMP_INVALID_FIELD; | |
1637 | return reply((struct ib_mad_hdr *)smp); | |
1638 | } | |
1639 | ||
1640 | ppd = dd->pport + (port - 1); | |
1641 | ||
1642 | size = fm_get_table(ppd, FM_TBL_SC2VLNT, vp); | |
1643 | ||
1644 | if (resp_len) | |
1645 | *resp_len += size; | |
1646 | ||
1647 | return reply((struct ib_mad_hdr *)smp); | |
1648 | } | |
1649 | ||
1650 | static int __subn_set_opa_sc_to_vlnt(struct opa_smp *smp, u32 am, u8 *data, | |
1651 | struct ib_device *ibdev, u8 port, | |
1652 | u32 *resp_len) | |
1653 | { | |
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; | |
1658 | int lstate; | |
1659 | ||
1660 | if (n_blocks != 1) { | |
1661 | smp->status |= IB_SMP_INVALID_FIELD; | |
1662 | return reply((struct ib_mad_hdr *)smp); | |
1663 | } | |
1664 | ||
1665 | /* IB numbers ports from 1, hw from 0 */ | |
1666 | ppd = dd->pport + (port - 1); | |
1667 | lstate = driver_lstate(ppd); | |
1668 | if (lstate == IB_PORT_ARMED || lstate == IB_PORT_ACTIVE) { | |
1669 | smp->status |= IB_SMP_INVALID_FIELD; | |
1670 | return reply((struct ib_mad_hdr *)smp); | |
1671 | } | |
1672 | ||
1673 | ppd = dd->pport + (port - 1); | |
1674 | ||
1675 | fm_set_table(ppd, FM_TBL_SC2VLNT, vp); | |
1676 | ||
1677 | return __subn_get_opa_sc_to_vlnt(smp, am, data, ibdev, port, | |
1678 | resp_len); | |
1679 | } | |
1680 | ||
1681 | static int __subn_get_opa_psi(struct opa_smp *smp, u32 am, u8 *data, | |
1682 | struct ib_device *ibdev, u8 port, | |
1683 | u32 *resp_len) | |
1684 | { | |
1685 | u32 nports = OPA_AM_NPORT(am); | |
1686 | u32 start_of_sm_config = OPA_AM_START_SM_CFG(am); | |
1687 | u32 lstate; | |
1688 | struct hfi1_ibport *ibp; | |
1689 | struct hfi1_pportdata *ppd; | |
1690 | struct opa_port_state_info *psi = (struct opa_port_state_info *) data; | |
1691 | ||
1692 | if (nports != 1) { | |
1693 | smp->status |= IB_SMP_INVALID_FIELD; | |
1694 | return reply((struct ib_mad_hdr *)smp); | |
1695 | } | |
1696 | ||
1697 | ibp = to_iport(ibdev, port); | |
1698 | ppd = ppd_from_ibp(ibp); | |
1699 | ||
1700 | lstate = driver_lstate(ppd); | |
1701 | ||
1702 | if (start_of_sm_config && (lstate == IB_PORT_INIT)) | |
1703 | ppd->is_sm_config_started = 1; | |
1704 | ||
1705 | #if PI_LED_ENABLE_SUP | |
1706 | psi->port_states.ledenable_offlinereason = ppd->neighbor_normal << 4; | |
1707 | psi->port_states.ledenable_offlinereason |= | |
1708 | ppd->is_sm_config_started << 5; | |
1709 | psi->port_states.ledenable_offlinereason |= | |
1710 | ppd->offline_disabled_reason & OPA_PI_MASK_OFFLINE_REASON; | |
1711 | #else | |
1712 | psi->port_states.offline_reason = ppd->neighbor_normal << 4; | |
1713 | psi->port_states.offline_reason |= ppd->is_sm_config_started << 5; | |
1714 | psi->port_states.offline_reason |= ppd->offline_disabled_reason & | |
1715 | OPA_PI_MASK_OFFLINE_REASON; | |
1716 | #endif /* PI_LED_ENABLE_SUP */ | |
1717 | ||
1718 | psi->port_states.portphysstate_portstate = | |
1719 | (hfi1_ibphys_portstate(ppd) << 4) | (lstate & 0xf); | |
1720 | psi->link_width_downgrade_tx_active = | |
aadfc3b2 | 1721 | cpu_to_be16(ppd->link_width_downgrade_tx_active); |
77241056 | 1722 | psi->link_width_downgrade_rx_active = |
aadfc3b2 | 1723 | cpu_to_be16(ppd->link_width_downgrade_rx_active); |
77241056 MM |
1724 | if (resp_len) |
1725 | *resp_len += sizeof(struct opa_port_state_info); | |
1726 | ||
1727 | return reply((struct ib_mad_hdr *)smp); | |
1728 | } | |
1729 | ||
1730 | static int __subn_set_opa_psi(struct opa_smp *smp, u32 am, u8 *data, | |
1731 | struct ib_device *ibdev, u8 port, | |
1732 | u32 *resp_len) | |
1733 | { | |
1734 | u32 nports = OPA_AM_NPORT(am); | |
1735 | u32 start_of_sm_config = OPA_AM_START_SM_CFG(am); | |
1736 | u32 ls_old; | |
1737 | u8 ls_new, ps_new; | |
1738 | struct hfi1_ibport *ibp; | |
1739 | struct hfi1_pportdata *ppd; | |
1740 | struct opa_port_state_info *psi = (struct opa_port_state_info *) data; | |
1741 | int ret, invalid = 0; | |
1742 | ||
1743 | if (nports != 1) { | |
1744 | smp->status |= IB_SMP_INVALID_FIELD; | |
1745 | return reply((struct ib_mad_hdr *)smp); | |
1746 | } | |
1747 | ||
1748 | ibp = to_iport(ibdev, port); | |
1749 | ppd = ppd_from_ibp(ibp); | |
1750 | ||
1751 | ls_old = driver_lstate(ppd); | |
1752 | ||
1753 | ls_new = port_states_to_logical_state(&psi->port_states); | |
1754 | ps_new = port_states_to_phys_state(&psi->port_states); | |
1755 | ||
1756 | if (ls_old == IB_PORT_INIT) { | |
1757 | if (start_of_sm_config) { | |
1758 | if (ls_new == ls_old || (ls_new == IB_PORT_ARMED)) | |
1759 | ppd->is_sm_config_started = 1; | |
1760 | } else if (ls_new == IB_PORT_ARMED) { | |
1761 | if (ppd->is_sm_config_started == 0) | |
1762 | invalid = 1; | |
1763 | } | |
1764 | } | |
1765 | ||
1766 | ret = set_port_states(ppd, smp, ls_new, ps_new, invalid); | |
1767 | if (ret) | |
1768 | return ret; | |
1769 | ||
1770 | if (invalid) | |
1771 | smp->status |= IB_SMP_INVALID_FIELD; | |
1772 | ||
1773 | return __subn_get_opa_psi(smp, am, data, ibdev, port, resp_len); | |
1774 | } | |
1775 | ||
1776 | static int __subn_get_opa_cable_info(struct opa_smp *smp, u32 am, u8 *data, | |
1777 | struct ib_device *ibdev, u8 port, | |
1778 | u32 *resp_len) | |
1779 | { | |
1780 | struct hfi1_devdata *dd = dd_from_ibdev(ibdev); | |
1781 | u32 addr = OPA_AM_CI_ADDR(am); | |
1782 | u32 len = OPA_AM_CI_LEN(am) + 1; | |
1783 | int ret; | |
1784 | ||
349ac71f | 1785 | #define __CI_PAGE_SIZE BIT(7) /* 128 bytes */ |
77241056 MM |
1786 | #define __CI_PAGE_MASK ~(__CI_PAGE_SIZE - 1) |
1787 | #define __CI_PAGE_NUM(a) ((a) & __CI_PAGE_MASK) | |
1788 | ||
1789 | /* check that addr is within spec, and | |
1790 | * addr and (addr + len - 1) are on the same "page" */ | |
1791 | if (addr >= 4096 || | |
1792 | (__CI_PAGE_NUM(addr) != __CI_PAGE_NUM(addr + len - 1))) { | |
1793 | smp->status |= IB_SMP_INVALID_FIELD; | |
1794 | return reply((struct ib_mad_hdr *)smp); | |
1795 | } | |
1796 | ||
1797 | ret = get_cable_info(dd, port, addr, len, data); | |
1798 | ||
1799 | if (ret == -ENODEV) { | |
1800 | smp->status |= IB_SMP_UNSUP_METH_ATTR; | |
1801 | return reply((struct ib_mad_hdr *)smp); | |
1802 | } | |
1803 | ||
1804 | /* The address range for the CableInfo SMA query is wider than the | |
1805 | * memory available on the QSFP cable. We want to return a valid | |
1806 | * response, albeit zeroed out, for address ranges beyond available | |
1807 | * memory but that are within the CableInfo query spec | |
1808 | */ | |
1809 | if (ret < 0 && ret != -ERANGE) { | |
1810 | smp->status |= IB_SMP_INVALID_FIELD; | |
1811 | return reply((struct ib_mad_hdr *)smp); | |
1812 | } | |
1813 | ||
1814 | if (resp_len) | |
1815 | *resp_len += len; | |
1816 | ||
1817 | return reply((struct ib_mad_hdr *)smp); | |
1818 | } | |
1819 | ||
1820 | static int __subn_get_opa_bct(struct opa_smp *smp, u32 am, u8 *data, | |
1821 | struct ib_device *ibdev, u8 port, u32 *resp_len) | |
1822 | { | |
1823 | u32 num_ports = OPA_AM_NPORT(am); | |
1824 | struct hfi1_devdata *dd = dd_from_ibdev(ibdev); | |
1825 | struct hfi1_pportdata *ppd; | |
1826 | struct buffer_control *p = (struct buffer_control *) data; | |
1827 | int size; | |
1828 | ||
1829 | if (num_ports != 1) { | |
1830 | smp->status |= IB_SMP_INVALID_FIELD; | |
1831 | return reply((struct ib_mad_hdr *)smp); | |
1832 | } | |
1833 | ||
1834 | ppd = dd->pport + (port - 1); | |
1835 | size = fm_get_table(ppd, FM_TBL_BUFFER_CONTROL, p); | |
1836 | trace_bct_get(dd, p); | |
1837 | if (resp_len) | |
1838 | *resp_len += size; | |
1839 | ||
1840 | return reply((struct ib_mad_hdr *)smp); | |
1841 | } | |
1842 | ||
1843 | static int __subn_set_opa_bct(struct opa_smp *smp, u32 am, u8 *data, | |
1844 | struct ib_device *ibdev, u8 port, u32 *resp_len) | |
1845 | { | |
1846 | u32 num_ports = OPA_AM_NPORT(am); | |
1847 | struct hfi1_devdata *dd = dd_from_ibdev(ibdev); | |
1848 | struct hfi1_pportdata *ppd; | |
1849 | struct buffer_control *p = (struct buffer_control *) data; | |
1850 | ||
1851 | if (num_ports != 1) { | |
1852 | smp->status |= IB_SMP_INVALID_FIELD; | |
1853 | return reply((struct ib_mad_hdr *)smp); | |
1854 | } | |
1855 | ppd = dd->pport + (port - 1); | |
1856 | trace_bct_set(dd, p); | |
1857 | if (fm_set_table(ppd, FM_TBL_BUFFER_CONTROL, p) < 0) { | |
1858 | smp->status |= IB_SMP_INVALID_FIELD; | |
1859 | return reply((struct ib_mad_hdr *)smp); | |
1860 | } | |
1861 | ||
1862 | return __subn_get_opa_bct(smp, am, data, ibdev, port, resp_len); | |
1863 | } | |
1864 | ||
1865 | static int __subn_get_opa_vl_arb(struct opa_smp *smp, u32 am, u8 *data, | |
1866 | struct ib_device *ibdev, u8 port, | |
1867 | u32 *resp_len) | |
1868 | { | |
1869 | struct hfi1_pportdata *ppd = ppd_from_ibp(to_iport(ibdev, port)); | |
1870 | u32 num_ports = OPA_AM_NPORT(am); | |
1871 | u8 section = (am & 0x00ff0000) >> 16; | |
1872 | u8 *p = data; | |
1873 | int size = 0; | |
1874 | ||
1875 | if (num_ports != 1) { | |
1876 | smp->status |= IB_SMP_INVALID_FIELD; | |
1877 | return reply((struct ib_mad_hdr *)smp); | |
1878 | } | |
1879 | ||
1880 | switch (section) { | |
1881 | case OPA_VLARB_LOW_ELEMENTS: | |
1882 | size = fm_get_table(ppd, FM_TBL_VL_LOW_ARB, p); | |
1883 | break; | |
1884 | case OPA_VLARB_HIGH_ELEMENTS: | |
1885 | size = fm_get_table(ppd, FM_TBL_VL_HIGH_ARB, p); | |
1886 | break; | |
1887 | case OPA_VLARB_PREEMPT_ELEMENTS: | |
1888 | size = fm_get_table(ppd, FM_TBL_VL_PREEMPT_ELEMS, p); | |
1889 | break; | |
1890 | case OPA_VLARB_PREEMPT_MATRIX: | |
1891 | size = fm_get_table(ppd, FM_TBL_VL_PREEMPT_MATRIX, p); | |
1892 | break; | |
1893 | default: | |
1894 | pr_warn("OPA SubnGet(VL Arb) AM Invalid : 0x%x\n", | |
1895 | be32_to_cpu(smp->attr_mod)); | |
1896 | smp->status |= IB_SMP_INVALID_FIELD; | |
1897 | break; | |
1898 | } | |
1899 | ||
1900 | if (size > 0 && resp_len) | |
1901 | *resp_len += size; | |
1902 | ||
1903 | return reply((struct ib_mad_hdr *)smp); | |
1904 | } | |
1905 | ||
1906 | static int __subn_set_opa_vl_arb(struct opa_smp *smp, u32 am, u8 *data, | |
1907 | struct ib_device *ibdev, u8 port, | |
1908 | u32 *resp_len) | |
1909 | { | |
1910 | struct hfi1_pportdata *ppd = ppd_from_ibp(to_iport(ibdev, port)); | |
1911 | u32 num_ports = OPA_AM_NPORT(am); | |
1912 | u8 section = (am & 0x00ff0000) >> 16; | |
1913 | u8 *p = data; | |
1914 | ||
1915 | if (num_ports != 1) { | |
1916 | smp->status |= IB_SMP_INVALID_FIELD; | |
1917 | return reply((struct ib_mad_hdr *)smp); | |
1918 | } | |
1919 | ||
1920 | switch (section) { | |
1921 | case OPA_VLARB_LOW_ELEMENTS: | |
1922 | (void) fm_set_table(ppd, FM_TBL_VL_LOW_ARB, p); | |
1923 | break; | |
1924 | case OPA_VLARB_HIGH_ELEMENTS: | |
1925 | (void) fm_set_table(ppd, FM_TBL_VL_HIGH_ARB, p); | |
1926 | break; | |
1927 | /* neither OPA_VLARB_PREEMPT_ELEMENTS, or OPA_VLARB_PREEMPT_MATRIX | |
1928 | * can be changed from the default values */ | |
1929 | case OPA_VLARB_PREEMPT_ELEMENTS: | |
1930 | /* FALLTHROUGH */ | |
1931 | case OPA_VLARB_PREEMPT_MATRIX: | |
1932 | smp->status |= IB_SMP_UNSUP_METH_ATTR; | |
1933 | break; | |
1934 | default: | |
1935 | pr_warn("OPA SubnSet(VL Arb) AM Invalid : 0x%x\n", | |
1936 | be32_to_cpu(smp->attr_mod)); | |
1937 | smp->status |= IB_SMP_INVALID_FIELD; | |
1938 | break; | |
1939 | } | |
1940 | ||
1941 | return __subn_get_opa_vl_arb(smp, am, data, ibdev, port, resp_len); | |
1942 | } | |
1943 | ||
1944 | struct opa_pma_mad { | |
1945 | struct ib_mad_hdr mad_hdr; | |
1946 | u8 data[2024]; | |
1947 | } __packed; | |
1948 | ||
1949 | struct opa_class_port_info { | |
1950 | u8 base_version; | |
1951 | u8 class_version; | |
1952 | __be16 cap_mask; | |
1953 | __be32 cap_mask2_resp_time; | |
1954 | ||
1955 | u8 redirect_gid[16]; | |
1956 | __be32 redirect_tc_fl; | |
1957 | __be32 redirect_lid; | |
1958 | __be32 redirect_sl_qp; | |
1959 | __be32 redirect_qkey; | |
1960 | ||
1961 | u8 trap_gid[16]; | |
1962 | __be32 trap_tc_fl; | |
1963 | __be32 trap_lid; | |
1964 | __be32 trap_hl_qp; | |
1965 | __be32 trap_qkey; | |
1966 | ||
1967 | __be16 trap_pkey; | |
1968 | __be16 redirect_pkey; | |
1969 | ||
1970 | u8 trap_sl_rsvd; | |
1971 | u8 reserved[3]; | |
1972 | } __packed; | |
1973 | ||
1974 | struct opa_port_status_req { | |
1975 | __u8 port_num; | |
1976 | __u8 reserved[3]; | |
1977 | __be32 vl_select_mask; | |
1978 | }; | |
1979 | ||
1980 | #define VL_MASK_ALL 0x000080ff | |
1981 | ||
1982 | struct opa_port_status_rsp { | |
1983 | __u8 port_num; | |
1984 | __u8 reserved[3]; | |
1985 | __be32 vl_select_mask; | |
1986 | ||
1987 | /* Data counters */ | |
1988 | __be64 port_xmit_data; | |
1989 | __be64 port_rcv_data; | |
1990 | __be64 port_xmit_pkts; | |
1991 | __be64 port_rcv_pkts; | |
1992 | __be64 port_multicast_xmit_pkts; | |
1993 | __be64 port_multicast_rcv_pkts; | |
1994 | __be64 port_xmit_wait; | |
1995 | __be64 sw_port_congestion; | |
1996 | __be64 port_rcv_fecn; | |
1997 | __be64 port_rcv_becn; | |
1998 | __be64 port_xmit_time_cong; | |
1999 | __be64 port_xmit_wasted_bw; | |
2000 | __be64 port_xmit_wait_data; | |
2001 | __be64 port_rcv_bubble; | |
2002 | __be64 port_mark_fecn; | |
2003 | /* Error counters */ | |
2004 | __be64 port_rcv_constraint_errors; | |
2005 | __be64 port_rcv_switch_relay_errors; | |
2006 | __be64 port_xmit_discards; | |
2007 | __be64 port_xmit_constraint_errors; | |
2008 | __be64 port_rcv_remote_physical_errors; | |
2009 | __be64 local_link_integrity_errors; | |
2010 | __be64 port_rcv_errors; | |
2011 | __be64 excessive_buffer_overruns; | |
2012 | __be64 fm_config_errors; | |
2013 | __be32 link_error_recovery; | |
2014 | __be32 link_downed; | |
2015 | u8 uncorrectable_errors; | |
2016 | ||
2017 | u8 link_quality_indicator; /* 5res, 3bit */ | |
2018 | u8 res2[6]; | |
2019 | struct _vls_pctrs { | |
2020 | /* per-VL Data counters */ | |
2021 | __be64 port_vl_xmit_data; | |
2022 | __be64 port_vl_rcv_data; | |
2023 | __be64 port_vl_xmit_pkts; | |
2024 | __be64 port_vl_rcv_pkts; | |
2025 | __be64 port_vl_xmit_wait; | |
2026 | __be64 sw_port_vl_congestion; | |
2027 | __be64 port_vl_rcv_fecn; | |
2028 | __be64 port_vl_rcv_becn; | |
2029 | __be64 port_xmit_time_cong; | |
2030 | __be64 port_vl_xmit_wasted_bw; | |
2031 | __be64 port_vl_xmit_wait_data; | |
2032 | __be64 port_vl_rcv_bubble; | |
2033 | __be64 port_vl_mark_fecn; | |
2034 | __be64 port_vl_xmit_discards; | |
2035 | } vls[0]; /* real array size defined by # bits set in vl_select_mask */ | |
2036 | }; | |
2037 | ||
2038 | enum counter_selects { | |
2039 | CS_PORT_XMIT_DATA = (1 << 31), | |
2040 | CS_PORT_RCV_DATA = (1 << 30), | |
2041 | CS_PORT_XMIT_PKTS = (1 << 29), | |
2042 | CS_PORT_RCV_PKTS = (1 << 28), | |
2043 | CS_PORT_MCAST_XMIT_PKTS = (1 << 27), | |
2044 | CS_PORT_MCAST_RCV_PKTS = (1 << 26), | |
2045 | CS_PORT_XMIT_WAIT = (1 << 25), | |
2046 | CS_SW_PORT_CONGESTION = (1 << 24), | |
2047 | CS_PORT_RCV_FECN = (1 << 23), | |
2048 | CS_PORT_RCV_BECN = (1 << 22), | |
2049 | CS_PORT_XMIT_TIME_CONG = (1 << 21), | |
2050 | CS_PORT_XMIT_WASTED_BW = (1 << 20), | |
2051 | CS_PORT_XMIT_WAIT_DATA = (1 << 19), | |
2052 | CS_PORT_RCV_BUBBLE = (1 << 18), | |
2053 | CS_PORT_MARK_FECN = (1 << 17), | |
2054 | CS_PORT_RCV_CONSTRAINT_ERRORS = (1 << 16), | |
2055 | CS_PORT_RCV_SWITCH_RELAY_ERRORS = (1 << 15), | |
2056 | CS_PORT_XMIT_DISCARDS = (1 << 14), | |
2057 | CS_PORT_XMIT_CONSTRAINT_ERRORS = (1 << 13), | |
2058 | CS_PORT_RCV_REMOTE_PHYSICAL_ERRORS = (1 << 12), | |
2059 | CS_LOCAL_LINK_INTEGRITY_ERRORS = (1 << 11), | |
2060 | CS_PORT_RCV_ERRORS = (1 << 10), | |
2061 | CS_EXCESSIVE_BUFFER_OVERRUNS = (1 << 9), | |
2062 | CS_FM_CONFIG_ERRORS = (1 << 8), | |
2063 | CS_LINK_ERROR_RECOVERY = (1 << 7), | |
2064 | CS_LINK_DOWNED = (1 << 6), | |
2065 | CS_UNCORRECTABLE_ERRORS = (1 << 5), | |
2066 | }; | |
2067 | ||
2068 | struct opa_clear_port_status { | |
2069 | __be64 port_select_mask[4]; | |
2070 | __be32 counter_select_mask; | |
2071 | }; | |
2072 | ||
2073 | struct opa_aggregate { | |
2074 | __be16 attr_id; | |
2075 | __be16 err_reqlength; /* 1 bit, 8 res, 7 bit */ | |
2076 | __be32 attr_mod; | |
2077 | u8 data[0]; | |
2078 | }; | |
2079 | ||
f0852922 AL |
2080 | #define MSK_LLI 0x000000f0 |
2081 | #define MSK_LLI_SFT 4 | |
2082 | #define MSK_LER 0x0000000f | |
2083 | #define MSK_LER_SFT 0 | |
2084 | #define ADD_LLI 8 | |
2085 | #define ADD_LER 2 | |
2086 | ||
2087 | /* Request contains first three fields, response contains those plus the rest */ | |
77241056 MM |
2088 | struct opa_port_data_counters_msg { |
2089 | __be64 port_select_mask[4]; | |
2090 | __be32 vl_select_mask; | |
f0852922 | 2091 | __be32 resolution; |
77241056 MM |
2092 | |
2093 | /* Response fields follow */ | |
77241056 MM |
2094 | struct _port_dctrs { |
2095 | u8 port_number; | |
2096 | u8 reserved2[3]; | |
2097 | __be32 link_quality_indicator; /* 29res, 3bit */ | |
2098 | ||
2099 | /* Data counters */ | |
2100 | __be64 port_xmit_data; | |
2101 | __be64 port_rcv_data; | |
2102 | __be64 port_xmit_pkts; | |
2103 | __be64 port_rcv_pkts; | |
2104 | __be64 port_multicast_xmit_pkts; | |
2105 | __be64 port_multicast_rcv_pkts; | |
2106 | __be64 port_xmit_wait; | |
2107 | __be64 sw_port_congestion; | |
2108 | __be64 port_rcv_fecn; | |
2109 | __be64 port_rcv_becn; | |
2110 | __be64 port_xmit_time_cong; | |
2111 | __be64 port_xmit_wasted_bw; | |
2112 | __be64 port_xmit_wait_data; | |
2113 | __be64 port_rcv_bubble; | |
2114 | __be64 port_mark_fecn; | |
2115 | ||
2116 | __be64 port_error_counter_summary; | |
2117 | /* Sum of error counts/port */ | |
2118 | ||
2119 | struct _vls_dctrs { | |
2120 | /* per-VL Data counters */ | |
2121 | __be64 port_vl_xmit_data; | |
2122 | __be64 port_vl_rcv_data; | |
2123 | __be64 port_vl_xmit_pkts; | |
2124 | __be64 port_vl_rcv_pkts; | |
2125 | __be64 port_vl_xmit_wait; | |
2126 | __be64 sw_port_vl_congestion; | |
2127 | __be64 port_vl_rcv_fecn; | |
2128 | __be64 port_vl_rcv_becn; | |
2129 | __be64 port_xmit_time_cong; | |
2130 | __be64 port_vl_xmit_wasted_bw; | |
2131 | __be64 port_vl_xmit_wait_data; | |
2132 | __be64 port_vl_rcv_bubble; | |
2133 | __be64 port_vl_mark_fecn; | |
2134 | } vls[0]; | |
2135 | /* array size defined by #bits set in vl_select_mask*/ | |
2136 | } port[1]; /* array size defined by #ports in attribute modifier */ | |
2137 | }; | |
2138 | ||
2139 | struct opa_port_error_counters64_msg { | |
2140 | /* Request contains first two fields, response contains the | |
2141 | * whole magilla */ | |
2142 | __be64 port_select_mask[4]; | |
2143 | __be32 vl_select_mask; | |
2144 | ||
2145 | /* Response-only fields follow */ | |
2146 | __be32 reserved1; | |
2147 | struct _port_ectrs { | |
2148 | u8 port_number; | |
2149 | u8 reserved2[7]; | |
2150 | __be64 port_rcv_constraint_errors; | |
2151 | __be64 port_rcv_switch_relay_errors; | |
2152 | __be64 port_xmit_discards; | |
2153 | __be64 port_xmit_constraint_errors; | |
2154 | __be64 port_rcv_remote_physical_errors; | |
2155 | __be64 local_link_integrity_errors; | |
2156 | __be64 port_rcv_errors; | |
2157 | __be64 excessive_buffer_overruns; | |
2158 | __be64 fm_config_errors; | |
2159 | __be32 link_error_recovery; | |
2160 | __be32 link_downed; | |
2161 | u8 uncorrectable_errors; | |
2162 | u8 reserved3[7]; | |
2163 | struct _vls_ectrs { | |
2164 | __be64 port_vl_xmit_discards; | |
2165 | } vls[0]; | |
2166 | /* array size defined by #bits set in vl_select_mask */ | |
2167 | } port[1]; /* array size defined by #ports in attribute modifier */ | |
2168 | }; | |
2169 | ||
2170 | struct opa_port_error_info_msg { | |
2171 | __be64 port_select_mask[4]; | |
2172 | __be32 error_info_select_mask; | |
2173 | __be32 reserved1; | |
2174 | struct _port_ei { | |
2175 | ||
2176 | u8 port_number; | |
2177 | u8 reserved2[7]; | |
2178 | ||
2179 | /* PortRcvErrorInfo */ | |
2180 | struct { | |
2181 | u8 status_and_code; | |
2182 | union { | |
2183 | u8 raw[17]; | |
2184 | struct { | |
2185 | /* EI1to12 format */ | |
2186 | u8 packet_flit1[8]; | |
2187 | u8 packet_flit2[8]; | |
2188 | u8 remaining_flit_bits12; | |
2189 | } ei1to12; | |
2190 | struct { | |
2191 | u8 packet_bytes[8]; | |
2192 | u8 remaining_flit_bits; | |
2193 | } ei13; | |
2194 | } ei; | |
2195 | u8 reserved3[6]; | |
2196 | } __packed port_rcv_ei; | |
2197 | ||
2198 | /* ExcessiveBufferOverrunInfo */ | |
2199 | struct { | |
2200 | u8 status_and_sc; | |
2201 | u8 reserved4[7]; | |
2202 | } __packed excessive_buffer_overrun_ei; | |
2203 | ||
2204 | /* PortXmitConstraintErrorInfo */ | |
2205 | struct { | |
2206 | u8 status; | |
2207 | u8 reserved5; | |
2208 | __be16 pkey; | |
2209 | __be32 slid; | |
2210 | } __packed port_xmit_constraint_ei; | |
2211 | ||
2212 | /* PortRcvConstraintErrorInfo */ | |
2213 | struct { | |
2214 | u8 status; | |
2215 | u8 reserved6; | |
2216 | __be16 pkey; | |
2217 | __be32 slid; | |
2218 | } __packed port_rcv_constraint_ei; | |
2219 | ||
2220 | /* PortRcvSwitchRelayErrorInfo */ | |
2221 | struct { | |
2222 | u8 status_and_code; | |
2223 | u8 reserved7[3]; | |
2224 | __u32 error_info; | |
2225 | } __packed port_rcv_switch_relay_ei; | |
2226 | ||
2227 | /* UncorrectableErrorInfo */ | |
2228 | struct { | |
2229 | u8 status_and_code; | |
2230 | u8 reserved8; | |
2231 | } __packed uncorrectable_ei; | |
2232 | ||
2233 | /* FMConfigErrorInfo */ | |
2234 | struct { | |
2235 | u8 status_and_code; | |
2236 | u8 error_info; | |
2237 | } __packed fm_config_ei; | |
2238 | __u32 reserved9; | |
2239 | } port[1]; /* actual array size defined by #ports in attr modifier */ | |
2240 | }; | |
2241 | ||
2242 | /* opa_port_error_info_msg error_info_select_mask bit definitions */ | |
2243 | enum error_info_selects { | |
2244 | ES_PORT_RCV_ERROR_INFO = (1 << 31), | |
2245 | ES_EXCESSIVE_BUFFER_OVERRUN_INFO = (1 << 30), | |
2246 | ES_PORT_XMIT_CONSTRAINT_ERROR_INFO = (1 << 29), | |
2247 | ES_PORT_RCV_CONSTRAINT_ERROR_INFO = (1 << 28), | |
2248 | ES_PORT_RCV_SWITCH_RELAY_ERROR_INFO = (1 << 27), | |
2249 | ES_UNCORRECTABLE_ERROR_INFO = (1 << 26), | |
2250 | ES_FM_CONFIG_ERROR_INFO = (1 << 25) | |
2251 | }; | |
2252 | ||
2253 | static int pma_get_opa_classportinfo(struct opa_pma_mad *pmp, | |
2254 | struct ib_device *ibdev, u32 *resp_len) | |
2255 | { | |
2256 | struct opa_class_port_info *p = | |
2257 | (struct opa_class_port_info *)pmp->data; | |
2258 | ||
2259 | memset(pmp->data, 0, sizeof(pmp->data)); | |
2260 | ||
2261 | if (pmp->mad_hdr.attr_mod != 0) | |
2262 | pmp->mad_hdr.status |= IB_SMP_INVALID_FIELD; | |
2263 | ||
2264 | p->base_version = OPA_MGMT_BASE_VERSION; | |
2265 | p->class_version = OPA_SMI_CLASS_VERSION; | |
2266 | /* | |
2267 | * Expected response time is 4.096 usec. * 2^18 == 1.073741824 sec. | |
2268 | */ | |
2269 | p->cap_mask2_resp_time = cpu_to_be32(18); | |
2270 | ||
2271 | if (resp_len) | |
2272 | *resp_len += sizeof(*p); | |
2273 | ||
2274 | return reply((struct ib_mad_hdr *)pmp); | |
2275 | } | |
2276 | ||
2277 | static void a0_portstatus(struct hfi1_pportdata *ppd, | |
2278 | struct opa_port_status_rsp *rsp, u32 vl_select_mask) | |
2279 | { | |
2280 | if (!is_bx(ppd->dd)) { | |
2281 | unsigned long vl; | |
f4ddedf4 | 2282 | u64 sum_vl_xmit_wait = 0; |
77241056 | 2283 | u32 vl_all_mask = VL_MASK_ALL; |
77241056 MM |
2284 | |
2285 | for_each_set_bit(vl, (unsigned long *)&(vl_all_mask), | |
2286 | 8 * sizeof(vl_all_mask)) { | |
f4ddedf4 IW |
2287 | u64 tmp = sum_vl_xmit_wait + |
2288 | read_port_cntr(ppd, C_TX_WAIT_VL, | |
2289 | idx_from_vl(vl)); | |
2290 | if (tmp < sum_vl_xmit_wait) { | |
2291 | /* we wrapped */ | |
2292 | sum_vl_xmit_wait = (u64)~0; | |
2293 | break; | |
2294 | } | |
2295 | sum_vl_xmit_wait = tmp; | |
77241056 | 2296 | } |
f4ddedf4 IW |
2297 | if (be64_to_cpu(rsp->port_xmit_wait) > sum_vl_xmit_wait) |
2298 | rsp->port_xmit_wait = cpu_to_be64(sum_vl_xmit_wait); | |
77241056 MM |
2299 | } |
2300 | } | |
2301 | ||
2302 | ||
2303 | static int pma_get_opa_portstatus(struct opa_pma_mad *pmp, | |
2304 | struct ib_device *ibdev, u8 port, u32 *resp_len) | |
2305 | { | |
2306 | struct opa_port_status_req *req = | |
2307 | (struct opa_port_status_req *)pmp->data; | |
2308 | struct hfi1_devdata *dd = dd_from_ibdev(ibdev); | |
2309 | struct opa_port_status_rsp *rsp; | |
2310 | u32 vl_select_mask = be32_to_cpu(req->vl_select_mask); | |
2311 | unsigned long vl; | |
2312 | size_t response_data_size; | |
2313 | u32 nports = be32_to_cpu(pmp->mad_hdr.attr_mod) >> 24; | |
2314 | u8 port_num = req->port_num; | |
2315 | u8 num_vls = hweight32(vl_select_mask); | |
2316 | struct _vls_pctrs *vlinfo; | |
2317 | struct hfi1_ibport *ibp = to_iport(ibdev, port); | |
2318 | struct hfi1_pportdata *ppd = ppd_from_ibp(ibp); | |
2319 | int vfi; | |
2320 | u64 tmp, tmp2; | |
2321 | ||
2322 | response_data_size = sizeof(struct opa_port_status_rsp) + | |
2323 | num_vls * sizeof(struct _vls_pctrs); | |
2324 | if (response_data_size > sizeof(pmp->data)) { | |
2325 | pmp->mad_hdr.status |= OPA_PM_STATUS_REQUEST_TOO_LARGE; | |
2326 | return reply((struct ib_mad_hdr *)pmp); | |
2327 | } | |
2328 | ||
2329 | if (nports != 1 || (port_num && port_num != port) | |
2330 | || num_vls > OPA_MAX_VLS || (vl_select_mask & ~VL_MASK_ALL)) { | |
2331 | pmp->mad_hdr.status |= IB_SMP_INVALID_FIELD; | |
2332 | return reply((struct ib_mad_hdr *)pmp); | |
2333 | } | |
2334 | ||
2335 | memset(pmp->data, 0, sizeof(pmp->data)); | |
2336 | ||
2337 | rsp = (struct opa_port_status_rsp *)pmp->data; | |
2338 | if (port_num) | |
2339 | rsp->port_num = port_num; | |
2340 | else | |
2341 | rsp->port_num = port; | |
2342 | ||
2343 | rsp->port_rcv_constraint_errors = | |
2344 | cpu_to_be64(read_port_cntr(ppd, C_SW_RCV_CSTR_ERR, | |
2345 | CNTR_INVALID_VL)); | |
2346 | ||
2347 | hfi1_read_link_quality(dd, &rsp->link_quality_indicator); | |
2348 | ||
2349 | rsp->vl_select_mask = cpu_to_be32(vl_select_mask); | |
2350 | rsp->port_xmit_data = cpu_to_be64(read_dev_cntr(dd, C_DC_XMIT_FLITS, | |
2351 | CNTR_INVALID_VL)); | |
2352 | rsp->port_rcv_data = cpu_to_be64(read_dev_cntr(dd, C_DC_RCV_FLITS, | |
2353 | CNTR_INVALID_VL)); | |
77241056 MM |
2354 | rsp->port_xmit_pkts = cpu_to_be64(read_dev_cntr(dd, C_DC_XMIT_PKTS, |
2355 | CNTR_INVALID_VL)); | |
2356 | rsp->port_rcv_pkts = cpu_to_be64(read_dev_cntr(dd, C_DC_RCV_PKTS, | |
2357 | CNTR_INVALID_VL)); | |
2358 | rsp->port_multicast_xmit_pkts = | |
2359 | cpu_to_be64(read_dev_cntr(dd, C_DC_MC_XMIT_PKTS, | |
2360 | CNTR_INVALID_VL)); | |
2361 | rsp->port_multicast_rcv_pkts = | |
2362 | cpu_to_be64(read_dev_cntr(dd, C_DC_MC_RCV_PKTS, | |
2363 | CNTR_INVALID_VL)); | |
2364 | rsp->port_xmit_wait = | |
2365 | cpu_to_be64(read_port_cntr(ppd, C_TX_WAIT, CNTR_INVALID_VL)); | |
2366 | rsp->port_rcv_fecn = | |
2367 | cpu_to_be64(read_dev_cntr(dd, C_DC_RCV_FCN, CNTR_INVALID_VL)); | |
2368 | rsp->port_rcv_becn = | |
2369 | cpu_to_be64(read_dev_cntr(dd, C_DC_RCV_BCN, CNTR_INVALID_VL)); | |
2370 | rsp->port_xmit_discards = | |
2371 | cpu_to_be64(read_port_cntr(ppd, C_SW_XMIT_DSCD, | |
2372 | CNTR_INVALID_VL)); | |
2373 | rsp->port_xmit_constraint_errors = | |
2374 | cpu_to_be64(read_port_cntr(ppd, C_SW_XMIT_CSTR_ERR, | |
2375 | CNTR_INVALID_VL)); | |
2376 | rsp->port_rcv_remote_physical_errors = | |
2377 | cpu_to_be64(read_dev_cntr(dd, C_DC_RMT_PHY_ERR, | |
2378 | CNTR_INVALID_VL)); | |
2379 | tmp = read_dev_cntr(dd, C_DC_RX_REPLAY, CNTR_INVALID_VL); | |
2380 | tmp2 = tmp + read_dev_cntr(dd, C_DC_TX_REPLAY, CNTR_INVALID_VL); | |
2381 | if (tmp2 < tmp) { | |
2382 | /* overflow/wrapped */ | |
2383 | rsp->local_link_integrity_errors = cpu_to_be64(~0); | |
2384 | } else { | |
2385 | rsp->local_link_integrity_errors = cpu_to_be64(tmp2); | |
2386 | } | |
2387 | tmp = read_dev_cntr(dd, C_DC_SEQ_CRC_CNT, CNTR_INVALID_VL); | |
2388 | tmp2 = tmp + read_dev_cntr(dd, C_DC_REINIT_FROM_PEER_CNT, | |
2389 | CNTR_INVALID_VL); | |
2390 | if (tmp2 > (u32)UINT_MAX || tmp2 < tmp) { | |
2391 | /* overflow/wrapped */ | |
2392 | rsp->link_error_recovery = cpu_to_be32(~0); | |
2393 | } else { | |
2394 | rsp->link_error_recovery = cpu_to_be32(tmp2); | |
2395 | } | |
2396 | rsp->port_rcv_errors = | |
2397 | cpu_to_be64(read_dev_cntr(dd, C_DC_RCV_ERR, CNTR_INVALID_VL)); | |
2398 | rsp->excessive_buffer_overruns = | |
2399 | cpu_to_be64(read_dev_cntr(dd, C_RCV_OVF, CNTR_INVALID_VL)); | |
2400 | rsp->fm_config_errors = | |
2401 | cpu_to_be64(read_dev_cntr(dd, C_DC_FM_CFG_ERR, | |
2402 | CNTR_INVALID_VL)); | |
2403 | rsp->link_downed = cpu_to_be32(read_port_cntr(ppd, C_SW_LINK_DOWN, | |
2404 | CNTR_INVALID_VL)); | |
2405 | ||
2406 | /* rsp->uncorrectable_errors is 8 bits wide, and it pegs at 0xff */ | |
2407 | tmp = read_dev_cntr(dd, C_DC_UNC_ERR, CNTR_INVALID_VL); | |
2408 | rsp->uncorrectable_errors = tmp < 0x100 ? (tmp & 0xff) : 0xff; | |
2409 | ||
2410 | vlinfo = &(rsp->vls[0]); | |
2411 | vfi = 0; | |
2412 | /* The vl_select_mask has been checked above, and we know | |
2413 | * that it contains only entries which represent valid VLs. | |
2414 | * So in the for_each_set_bit() loop below, we don't need | |
2415 | * any additional checks for vl. | |
2416 | */ | |
2417 | for_each_set_bit(vl, (unsigned long *)&(vl_select_mask), | |
2418 | 8 * sizeof(vl_select_mask)) { | |
2419 | memset(vlinfo, 0, sizeof(*vlinfo)); | |
2420 | ||
2421 | tmp = read_dev_cntr(dd, C_DC_RX_FLIT_VL, idx_from_vl(vl)); | |
2422 | rsp->vls[vfi].port_vl_rcv_data = cpu_to_be64(tmp); | |
77241056 MM |
2423 | |
2424 | rsp->vls[vfi].port_vl_rcv_pkts = | |
2425 | cpu_to_be64(read_dev_cntr(dd, C_DC_RX_PKT_VL, | |
2426 | idx_from_vl(vl))); | |
2427 | ||
2428 | rsp->vls[vfi].port_vl_xmit_data = | |
2429 | cpu_to_be64(read_port_cntr(ppd, C_TX_FLIT_VL, | |
2430 | idx_from_vl(vl))); | |
2431 | ||
2432 | rsp->vls[vfi].port_vl_xmit_pkts = | |
2433 | cpu_to_be64(read_port_cntr(ppd, C_TX_PKT_VL, | |
2434 | idx_from_vl(vl))); | |
2435 | ||
2436 | rsp->vls[vfi].port_vl_xmit_wait = | |
2437 | cpu_to_be64(read_port_cntr(ppd, C_TX_WAIT_VL, | |
2438 | idx_from_vl(vl))); | |
2439 | ||
2440 | rsp->vls[vfi].port_vl_rcv_fecn = | |
2441 | cpu_to_be64(read_dev_cntr(dd, C_DC_RCV_FCN_VL, | |
2442 | idx_from_vl(vl))); | |
2443 | ||
2444 | rsp->vls[vfi].port_vl_rcv_becn = | |
2445 | cpu_to_be64(read_dev_cntr(dd, C_DC_RCV_BCN_VL, | |
2446 | idx_from_vl(vl))); | |
2447 | ||
2448 | vlinfo++; | |
2449 | vfi++; | |
2450 | } | |
2451 | ||
2452 | a0_portstatus(ppd, rsp, vl_select_mask); | |
2453 | ||
2454 | if (resp_len) | |
2455 | *resp_len += response_data_size; | |
2456 | ||
2457 | return reply((struct ib_mad_hdr *)pmp); | |
2458 | } | |
2459 | ||
f0852922 AL |
2460 | static u64 get_error_counter_summary(struct ib_device *ibdev, u8 port, |
2461 | u8 res_lli, u8 res_ler) | |
77241056 MM |
2462 | { |
2463 | struct hfi1_devdata *dd = dd_from_ibdev(ibdev); | |
2464 | struct hfi1_ibport *ibp = to_iport(ibdev, port); | |
2465 | struct hfi1_pportdata *ppd = ppd_from_ibp(ibp); | |
2466 | u64 error_counter_summary = 0, tmp; | |
2467 | ||
2468 | error_counter_summary += read_port_cntr(ppd, C_SW_RCV_CSTR_ERR, | |
2469 | CNTR_INVALID_VL); | |
2470 | /* port_rcv_switch_relay_errors is 0 for HFIs */ | |
2471 | error_counter_summary += read_port_cntr(ppd, C_SW_XMIT_DSCD, | |
2472 | CNTR_INVALID_VL); | |
2473 | error_counter_summary += read_port_cntr(ppd, C_SW_XMIT_CSTR_ERR, | |
2474 | CNTR_INVALID_VL); | |
2475 | error_counter_summary += read_dev_cntr(dd, C_DC_RMT_PHY_ERR, | |
2476 | CNTR_INVALID_VL); | |
f0852922 AL |
2477 | /* local link integrity must be right-shifted by the lli resolution */ |
2478 | tmp = read_dev_cntr(dd, C_DC_RX_REPLAY, CNTR_INVALID_VL); | |
2479 | tmp += read_dev_cntr(dd, C_DC_TX_REPLAY, CNTR_INVALID_VL); | |
2480 | error_counter_summary += (tmp >> res_lli); | |
2481 | /* link error recovery must b right-shifted by the ler resolution */ | |
2482 | tmp = read_dev_cntr(dd, C_DC_SEQ_CRC_CNT, CNTR_INVALID_VL); | |
2483 | tmp += read_dev_cntr(dd, C_DC_REINIT_FROM_PEER_CNT, CNTR_INVALID_VL); | |
2484 | error_counter_summary += (tmp >> res_ler); | |
77241056 MM |
2485 | error_counter_summary += read_dev_cntr(dd, C_DC_RCV_ERR, |
2486 | CNTR_INVALID_VL); | |
2487 | error_counter_summary += read_dev_cntr(dd, C_RCV_OVF, CNTR_INVALID_VL); | |
2488 | error_counter_summary += read_dev_cntr(dd, C_DC_FM_CFG_ERR, | |
2489 | CNTR_INVALID_VL); | |
2490 | /* ppd->link_downed is a 32-bit value */ | |
2491 | error_counter_summary += read_port_cntr(ppd, C_SW_LINK_DOWN, | |
2492 | CNTR_INVALID_VL); | |
2493 | tmp = read_dev_cntr(dd, C_DC_UNC_ERR, CNTR_INVALID_VL); | |
2494 | /* this is an 8-bit quantity */ | |
2495 | error_counter_summary += tmp < 0x100 ? (tmp & 0xff) : 0xff; | |
2496 | ||
2497 | return error_counter_summary; | |
2498 | } | |
2499 | ||
f4ddedf4 | 2500 | static void a0_datacounters(struct hfi1_pportdata *ppd, struct _port_dctrs *rsp, |
77241056 MM |
2501 | u32 vl_select_mask) |
2502 | { | |
f4ddedf4 | 2503 | if (!is_bx(ppd->dd)) { |
77241056 | 2504 | unsigned long vl; |
db00a055 | 2505 | u64 sum_vl_xmit_wait = 0; |
f4ddedf4 | 2506 | u32 vl_all_mask = VL_MASK_ALL; |
db00a055 | 2507 | |
f4ddedf4 IW |
2508 | for_each_set_bit(vl, (unsigned long *)&(vl_all_mask), |
2509 | 8 * sizeof(vl_all_mask)) { | |
77241056 | 2510 | u64 tmp = sum_vl_xmit_wait + |
f4ddedf4 IW |
2511 | read_port_cntr(ppd, C_TX_WAIT_VL, |
2512 | idx_from_vl(vl)); | |
77241056 MM |
2513 | if (tmp < sum_vl_xmit_wait) { |
2514 | /* we wrapped */ | |
2515 | sum_vl_xmit_wait = (u64) ~0; | |
2516 | break; | |
2517 | } | |
2518 | sum_vl_xmit_wait = tmp; | |
2519 | } | |
2520 | if (be64_to_cpu(rsp->port_xmit_wait) > sum_vl_xmit_wait) | |
2521 | rsp->port_xmit_wait = cpu_to_be64(sum_vl_xmit_wait); | |
2522 | } | |
2523 | } | |
2524 | ||
2525 | static int pma_get_opa_datacounters(struct opa_pma_mad *pmp, | |
2526 | struct ib_device *ibdev, u8 port, u32 *resp_len) | |
2527 | { | |
2528 | struct opa_port_data_counters_msg *req = | |
2529 | (struct opa_port_data_counters_msg *)pmp->data; | |
2530 | struct hfi1_devdata *dd = dd_from_ibdev(ibdev); | |
2531 | struct hfi1_ibport *ibp = to_iport(ibdev, port); | |
2532 | struct hfi1_pportdata *ppd = ppd_from_ibp(ibp); | |
2533 | struct _port_dctrs *rsp; | |
2534 | struct _vls_dctrs *vlinfo; | |
2535 | size_t response_data_size; | |
2536 | u32 num_ports; | |
2537 | u8 num_pslm; | |
2538 | u8 lq, num_vls; | |
f0852922 | 2539 | u8 res_lli, res_ler; |
77241056 MM |
2540 | u64 port_mask; |
2541 | unsigned long port_num; | |
2542 | unsigned long vl; | |
2543 | u32 vl_select_mask; | |
2544 | int vfi; | |
2545 | ||
2546 | num_ports = be32_to_cpu(pmp->mad_hdr.attr_mod) >> 24; | |
2547 | num_pslm = hweight64(be64_to_cpu(req->port_select_mask[3])); | |
2548 | num_vls = hweight32(be32_to_cpu(req->vl_select_mask)); | |
2549 | vl_select_mask = be32_to_cpu(req->vl_select_mask); | |
f0852922 AL |
2550 | res_lli = (u8)(be32_to_cpu(req->resolution) & MSK_LLI) >> MSK_LLI_SFT; |
2551 | res_lli = res_lli ? res_lli + ADD_LLI : 0; | |
2552 | res_ler = (u8)(be32_to_cpu(req->resolution) & MSK_LER) >> MSK_LER_SFT; | |
2553 | res_ler = res_ler ? res_ler + ADD_LER : 0; | |
77241056 MM |
2554 | |
2555 | if (num_ports != 1 || (vl_select_mask & ~VL_MASK_ALL)) { | |
2556 | pmp->mad_hdr.status |= IB_SMP_INVALID_FIELD; | |
2557 | return reply((struct ib_mad_hdr *)pmp); | |
2558 | } | |
2559 | ||
2560 | /* Sanity check */ | |
2561 | response_data_size = sizeof(struct opa_port_data_counters_msg) + | |
2562 | num_vls * sizeof(struct _vls_dctrs); | |
2563 | ||
2564 | if (response_data_size > sizeof(pmp->data)) { | |
2565 | pmp->mad_hdr.status |= IB_SMP_INVALID_FIELD; | |
2566 | return reply((struct ib_mad_hdr *)pmp); | |
2567 | } | |
2568 | ||
2569 | /* | |
2570 | * The bit set in the mask needs to be consistent with the | |
2571 | * port the request came in on. | |
2572 | */ | |
2573 | port_mask = be64_to_cpu(req->port_select_mask[3]); | |
2574 | port_num = find_first_bit((unsigned long *)&port_mask, | |
2575 | sizeof(port_mask)); | |
2576 | ||
2577 | if ((u8)port_num != port) { | |
2578 | pmp->mad_hdr.status |= IB_SMP_INVALID_FIELD; | |
2579 | return reply((struct ib_mad_hdr *)pmp); | |
2580 | } | |
2581 | ||
2582 | rsp = (struct _port_dctrs *)&(req->port[0]); | |
2583 | memset(rsp, 0, sizeof(*rsp)); | |
2584 | ||
2585 | rsp->port_number = port; | |
2586 | /* | |
2587 | * Note that link_quality_indicator is a 32 bit quantity in | |
2588 | * 'datacounters' queries (as opposed to 'portinfo' queries, | |
2589 | * where it's a byte). | |
2590 | */ | |
2591 | hfi1_read_link_quality(dd, &lq); | |
2592 | rsp->link_quality_indicator = cpu_to_be32((u32)lq); | |
2593 | ||
2594 | /* rsp->sw_port_congestion is 0 for HFIs */ | |
2595 | /* rsp->port_xmit_time_cong is 0 for HFIs */ | |
2596 | /* rsp->port_xmit_wasted_bw ??? */ | |
2597 | /* rsp->port_xmit_wait_data ??? */ | |
2598 | /* rsp->port_mark_fecn is 0 for HFIs */ | |
2599 | ||
2600 | rsp->port_xmit_data = cpu_to_be64(read_dev_cntr(dd, C_DC_XMIT_FLITS, | |
2601 | CNTR_INVALID_VL)); | |
2602 | rsp->port_rcv_data = cpu_to_be64(read_dev_cntr(dd, C_DC_RCV_FLITS, | |
2603 | CNTR_INVALID_VL)); | |
77241056 MM |
2604 | rsp->port_xmit_pkts = cpu_to_be64(read_dev_cntr(dd, C_DC_XMIT_PKTS, |
2605 | CNTR_INVALID_VL)); | |
2606 | rsp->port_rcv_pkts = cpu_to_be64(read_dev_cntr(dd, C_DC_RCV_PKTS, | |
2607 | CNTR_INVALID_VL)); | |
2608 | rsp->port_multicast_xmit_pkts = | |
2609 | cpu_to_be64(read_dev_cntr(dd, C_DC_MC_XMIT_PKTS, | |
2610 | CNTR_INVALID_VL)); | |
2611 | rsp->port_multicast_rcv_pkts = | |
2612 | cpu_to_be64(read_dev_cntr(dd, C_DC_MC_RCV_PKTS, | |
2613 | CNTR_INVALID_VL)); | |
2614 | rsp->port_xmit_wait = | |
2615 | cpu_to_be64(read_port_cntr(ppd, C_TX_WAIT, CNTR_INVALID_VL)); | |
2616 | rsp->port_rcv_fecn = | |
2617 | cpu_to_be64(read_dev_cntr(dd, C_DC_RCV_FCN, CNTR_INVALID_VL)); | |
2618 | rsp->port_rcv_becn = | |
2619 | cpu_to_be64(read_dev_cntr(dd, C_DC_RCV_BCN, CNTR_INVALID_VL)); | |
2620 | ||
2621 | rsp->port_error_counter_summary = | |
f0852922 AL |
2622 | cpu_to_be64(get_error_counter_summary(ibdev, port, |
2623 | res_lli, res_ler)); | |
77241056 MM |
2624 | |
2625 | vlinfo = &(rsp->vls[0]); | |
2626 | vfi = 0; | |
2627 | /* The vl_select_mask has been checked above, and we know | |
2628 | * that it contains only entries which represent valid VLs. | |
2629 | * So in the for_each_set_bit() loop below, we don't need | |
2630 | * any additional checks for vl. | |
2631 | */ | |
2632 | for_each_set_bit(vl, (unsigned long *)&(vl_select_mask), | |
2633 | 8 * sizeof(req->vl_select_mask)) { | |
2634 | memset(vlinfo, 0, sizeof(*vlinfo)); | |
2635 | ||
2636 | rsp->vls[vfi].port_vl_xmit_data = | |
2637 | cpu_to_be64(read_port_cntr(ppd, C_TX_FLIT_VL, | |
2638 | idx_from_vl(vl))); | |
2639 | ||
2640 | rsp->vls[vfi].port_vl_rcv_data = | |
2641 | cpu_to_be64(read_dev_cntr(dd, C_DC_RX_FLIT_VL, | |
2642 | idx_from_vl(vl))); | |
77241056 MM |
2643 | |
2644 | rsp->vls[vfi].port_vl_xmit_pkts = | |
2645 | cpu_to_be64(read_port_cntr(ppd, C_TX_PKT_VL, | |
2646 | idx_from_vl(vl))); | |
2647 | ||
2648 | rsp->vls[vfi].port_vl_rcv_pkts = | |
2649 | cpu_to_be64(read_dev_cntr(dd, C_DC_RX_PKT_VL, | |
2650 | idx_from_vl(vl))); | |
2651 | ||
2652 | rsp->vls[vfi].port_vl_xmit_wait = | |
2653 | cpu_to_be64(read_port_cntr(ppd, C_TX_WAIT_VL, | |
2654 | idx_from_vl(vl))); | |
2655 | ||
2656 | rsp->vls[vfi].port_vl_rcv_fecn = | |
2657 | cpu_to_be64(read_dev_cntr(dd, C_DC_RCV_FCN_VL, | |
2658 | idx_from_vl(vl))); | |
2659 | rsp->vls[vfi].port_vl_rcv_becn = | |
2660 | cpu_to_be64(read_dev_cntr(dd, C_DC_RCV_BCN_VL, | |
2661 | idx_from_vl(vl))); | |
2662 | ||
2663 | /* rsp->port_vl_xmit_time_cong is 0 for HFIs */ | |
2664 | /* rsp->port_vl_xmit_wasted_bw ??? */ | |
2665 | /* port_vl_xmit_wait_data - TXE (table 13-9 HFI spec) ??? | |
2666 | * does this differ from rsp->vls[vfi].port_vl_xmit_wait */ | |
2667 | /*rsp->vls[vfi].port_vl_mark_fecn = | |
2668 | cpu_to_be64(read_csr(dd, DCC_PRF_PORT_VL_MARK_FECN_CNT | |
2669 | + offset)); | |
2670 | */ | |
2671 | vlinfo++; | |
2672 | vfi++; | |
2673 | } | |
2674 | ||
f4ddedf4 | 2675 | a0_datacounters(ppd, rsp, vl_select_mask); |
77241056 MM |
2676 | |
2677 | if (resp_len) | |
2678 | *resp_len += response_data_size; | |
2679 | ||
2680 | return reply((struct ib_mad_hdr *)pmp); | |
2681 | } | |
2682 | ||
2683 | static int pma_get_opa_porterrors(struct opa_pma_mad *pmp, | |
2684 | struct ib_device *ibdev, u8 port, u32 *resp_len) | |
2685 | { | |
2686 | size_t response_data_size; | |
2687 | struct _port_ectrs *rsp; | |
2688 | unsigned long port_num; | |
2689 | struct opa_port_error_counters64_msg *req; | |
2690 | struct hfi1_devdata *dd = dd_from_ibdev(ibdev); | |
2691 | u32 num_ports; | |
2692 | u8 num_pslm; | |
2693 | u8 num_vls; | |
2694 | struct hfi1_ibport *ibp; | |
2695 | struct hfi1_pportdata *ppd; | |
2696 | struct _vls_ectrs *vlinfo; | |
2697 | unsigned long vl; | |
2698 | u64 port_mask, tmp, tmp2; | |
2699 | u32 vl_select_mask; | |
2700 | int vfi; | |
2701 | ||
2702 | req = (struct opa_port_error_counters64_msg *)pmp->data; | |
2703 | ||
2704 | num_ports = be32_to_cpu(pmp->mad_hdr.attr_mod) >> 24; | |
2705 | ||
2706 | num_pslm = hweight64(be64_to_cpu(req->port_select_mask[3])); | |
2707 | num_vls = hweight32(be32_to_cpu(req->vl_select_mask)); | |
2708 | ||
2709 | if (num_ports != 1 || num_ports != num_pslm) { | |
2710 | pmp->mad_hdr.status |= IB_SMP_INVALID_FIELD; | |
2711 | return reply((struct ib_mad_hdr *)pmp); | |
2712 | } | |
2713 | ||
2714 | response_data_size = sizeof(struct opa_port_error_counters64_msg) + | |
2715 | num_vls * sizeof(struct _vls_ectrs); | |
2716 | ||
2717 | if (response_data_size > sizeof(pmp->data)) { | |
2718 | pmp->mad_hdr.status |= IB_SMP_INVALID_FIELD; | |
2719 | return reply((struct ib_mad_hdr *)pmp); | |
2720 | } | |
2721 | /* | |
2722 | * The bit set in the mask needs to be consistent with the | |
2723 | * port the request came in on. | |
2724 | */ | |
2725 | port_mask = be64_to_cpu(req->port_select_mask[3]); | |
2726 | port_num = find_first_bit((unsigned long *)&port_mask, | |
2727 | sizeof(port_mask)); | |
2728 | ||
2729 | if ((u8)port_num != port) { | |
2730 | pmp->mad_hdr.status |= IB_SMP_INVALID_FIELD; | |
2731 | return reply((struct ib_mad_hdr *)pmp); | |
2732 | } | |
2733 | ||
2734 | rsp = (struct _port_ectrs *)&(req->port[0]); | |
2735 | ||
2736 | ibp = to_iport(ibdev, port_num); | |
2737 | ppd = ppd_from_ibp(ibp); | |
2738 | ||
2739 | memset(rsp, 0, sizeof(*rsp)); | |
2740 | rsp->port_number = (u8)port_num; | |
2741 | ||
2742 | rsp->port_rcv_constraint_errors = | |
2743 | cpu_to_be64(read_port_cntr(ppd, C_SW_RCV_CSTR_ERR, | |
2744 | CNTR_INVALID_VL)); | |
2745 | /* port_rcv_switch_relay_errors is 0 for HFIs */ | |
2746 | rsp->port_xmit_discards = | |
2747 | cpu_to_be64(read_port_cntr(ppd, C_SW_XMIT_DSCD, | |
2748 | CNTR_INVALID_VL)); | |
2749 | rsp->port_rcv_remote_physical_errors = | |
2750 | cpu_to_be64(read_dev_cntr(dd, C_DC_RMT_PHY_ERR, | |
2751 | CNTR_INVALID_VL)); | |
2752 | tmp = read_dev_cntr(dd, C_DC_RX_REPLAY, CNTR_INVALID_VL); | |
2753 | tmp2 = tmp + read_dev_cntr(dd, C_DC_TX_REPLAY, CNTR_INVALID_VL); | |
2754 | if (tmp2 < tmp) { | |
2755 | /* overflow/wrapped */ | |
2756 | rsp->local_link_integrity_errors = cpu_to_be64(~0); | |
2757 | } else { | |
2758 | rsp->local_link_integrity_errors = cpu_to_be64(tmp2); | |
2759 | } | |
2760 | tmp = read_dev_cntr(dd, C_DC_SEQ_CRC_CNT, CNTR_INVALID_VL); | |
2761 | tmp2 = tmp + read_dev_cntr(dd, C_DC_REINIT_FROM_PEER_CNT, | |
2762 | CNTR_INVALID_VL); | |
2763 | if (tmp2 > (u32)UINT_MAX || tmp2 < tmp) { | |
2764 | /* overflow/wrapped */ | |
2765 | rsp->link_error_recovery = cpu_to_be32(~0); | |
2766 | } else { | |
2767 | rsp->link_error_recovery = cpu_to_be32(tmp2); | |
2768 | } | |
2769 | rsp->port_xmit_constraint_errors = | |
2770 | cpu_to_be64(read_port_cntr(ppd, C_SW_XMIT_CSTR_ERR, | |
2771 | CNTR_INVALID_VL)); | |
2772 | rsp->excessive_buffer_overruns = | |
2773 | cpu_to_be64(read_dev_cntr(dd, C_RCV_OVF, CNTR_INVALID_VL)); | |
2774 | rsp->fm_config_errors = | |
2775 | cpu_to_be64(read_dev_cntr(dd, C_DC_FM_CFG_ERR, | |
2776 | CNTR_INVALID_VL)); | |
2777 | rsp->link_downed = cpu_to_be32(read_port_cntr(ppd, C_SW_LINK_DOWN, | |
2778 | CNTR_INVALID_VL)); | |
2779 | tmp = read_dev_cntr(dd, C_DC_UNC_ERR, CNTR_INVALID_VL); | |
2780 | rsp->uncorrectable_errors = tmp < 0x100 ? (tmp & 0xff) : 0xff; | |
2781 | ||
2782 | vlinfo = (struct _vls_ectrs *)&(rsp->vls[0]); | |
2783 | vfi = 0; | |
2784 | vl_select_mask = be32_to_cpu(req->vl_select_mask); | |
2785 | for_each_set_bit(vl, (unsigned long *)&(vl_select_mask), | |
2786 | 8 * sizeof(req->vl_select_mask)) { | |
2787 | memset(vlinfo, 0, sizeof(*vlinfo)); | |
2788 | /* vlinfo->vls[vfi].port_vl_xmit_discards ??? */ | |
2789 | vlinfo += 1; | |
2790 | vfi++; | |
2791 | } | |
2792 | ||
2793 | if (resp_len) | |
2794 | *resp_len += response_data_size; | |
2795 | ||
2796 | return reply((struct ib_mad_hdr *)pmp); | |
2797 | } | |
2798 | ||
2799 | static int pma_get_opa_errorinfo(struct opa_pma_mad *pmp, | |
2800 | struct ib_device *ibdev, u8 port, u32 *resp_len) | |
2801 | { | |
2802 | size_t response_data_size; | |
2803 | struct _port_ei *rsp; | |
2804 | struct opa_port_error_info_msg *req; | |
2805 | struct hfi1_devdata *dd = dd_from_ibdev(ibdev); | |
2806 | u64 port_mask; | |
2807 | u32 num_ports; | |
2808 | unsigned long port_num; | |
2809 | u8 num_pslm; | |
2810 | u64 reg; | |
2811 | ||
2812 | req = (struct opa_port_error_info_msg *)pmp->data; | |
2813 | rsp = (struct _port_ei *)&(req->port[0]); | |
2814 | ||
2815 | num_ports = OPA_AM_NPORT(be32_to_cpu(pmp->mad_hdr.attr_mod)); | |
2816 | num_pslm = hweight64(be64_to_cpu(req->port_select_mask[3])); | |
2817 | ||
2818 | memset(rsp, 0, sizeof(*rsp)); | |
2819 | ||
2820 | if (num_ports != 1 || num_ports != num_pslm) { | |
2821 | pmp->mad_hdr.status |= IB_SMP_INVALID_FIELD; | |
2822 | return reply((struct ib_mad_hdr *)pmp); | |
2823 | } | |
2824 | ||
2825 | /* Sanity check */ | |
2826 | response_data_size = sizeof(struct opa_port_error_info_msg); | |
2827 | ||
2828 | if (response_data_size > sizeof(pmp->data)) { | |
2829 | pmp->mad_hdr.status |= IB_SMP_INVALID_FIELD; | |
2830 | return reply((struct ib_mad_hdr *)pmp); | |
2831 | } | |
2832 | ||
2833 | /* | |
2834 | * The bit set in the mask needs to be consistent with the port | |
2835 | * the request came in on. | |
2836 | */ | |
2837 | port_mask = be64_to_cpu(req->port_select_mask[3]); | |
2838 | port_num = find_first_bit((unsigned long *)&port_mask, | |
2839 | sizeof(port_mask)); | |
2840 | ||
2841 | if ((u8)port_num != port) { | |
2842 | pmp->mad_hdr.status |= IB_SMP_INVALID_FIELD; | |
2843 | return reply((struct ib_mad_hdr *)pmp); | |
2844 | } | |
2845 | ||
2846 | /* PortRcvErrorInfo */ | |
2847 | rsp->port_rcv_ei.status_and_code = | |
2848 | dd->err_info_rcvport.status_and_code; | |
2849 | memcpy(&rsp->port_rcv_ei.ei.ei1to12.packet_flit1, | |
2850 | &dd->err_info_rcvport.packet_flit1, sizeof(u64)); | |
2851 | memcpy(&rsp->port_rcv_ei.ei.ei1to12.packet_flit2, | |
2852 | &dd->err_info_rcvport.packet_flit2, sizeof(u64)); | |
2853 | ||
2854 | /* ExcessiverBufferOverrunInfo */ | |
2855 | reg = read_csr(dd, RCV_ERR_INFO); | |
2856 | if (reg & RCV_ERR_INFO_RCV_EXCESS_BUFFER_OVERRUN_SMASK) { | |
2857 | /* if the RcvExcessBufferOverrun bit is set, save SC of | |
2858 | * first pkt that encountered an excess buffer overrun */ | |
2859 | u8 tmp = (u8)reg; | |
2860 | ||
2861 | tmp &= RCV_ERR_INFO_RCV_EXCESS_BUFFER_OVERRUN_SC_SMASK; | |
2862 | tmp <<= 2; | |
2863 | rsp->excessive_buffer_overrun_ei.status_and_sc = tmp; | |
2864 | /* set the status bit */ | |
2865 | rsp->excessive_buffer_overrun_ei.status_and_sc |= 0x80; | |
2866 | } | |
2867 | ||
2868 | rsp->port_xmit_constraint_ei.status = | |
2869 | dd->err_info_xmit_constraint.status; | |
2870 | rsp->port_xmit_constraint_ei.pkey = | |
2871 | cpu_to_be16(dd->err_info_xmit_constraint.pkey); | |
2872 | rsp->port_xmit_constraint_ei.slid = | |
2873 | cpu_to_be32(dd->err_info_xmit_constraint.slid); | |
2874 | ||
2875 | rsp->port_rcv_constraint_ei.status = | |
2876 | dd->err_info_rcv_constraint.status; | |
2877 | rsp->port_rcv_constraint_ei.pkey = | |
2878 | cpu_to_be16(dd->err_info_rcv_constraint.pkey); | |
2879 | rsp->port_rcv_constraint_ei.slid = | |
2880 | cpu_to_be32(dd->err_info_rcv_constraint.slid); | |
2881 | ||
2882 | /* UncorrectableErrorInfo */ | |
2883 | rsp->uncorrectable_ei.status_and_code = dd->err_info_uncorrectable; | |
2884 | ||
2885 | /* FMConfigErrorInfo */ | |
2886 | rsp->fm_config_ei.status_and_code = dd->err_info_fmconfig; | |
2887 | ||
2888 | if (resp_len) | |
2889 | *resp_len += response_data_size; | |
2890 | ||
2891 | return reply((struct ib_mad_hdr *)pmp); | |
2892 | } | |
2893 | ||
2894 | static int pma_set_opa_portstatus(struct opa_pma_mad *pmp, | |
2895 | struct ib_device *ibdev, u8 port, u32 *resp_len) | |
2896 | { | |
2897 | struct opa_clear_port_status *req = | |
2898 | (struct opa_clear_port_status *)pmp->data; | |
2899 | struct hfi1_devdata *dd = dd_from_ibdev(ibdev); | |
2900 | struct hfi1_ibport *ibp = to_iport(ibdev, port); | |
2901 | struct hfi1_pportdata *ppd = ppd_from_ibp(ibp); | |
2902 | u32 nports = be32_to_cpu(pmp->mad_hdr.attr_mod) >> 24; | |
2903 | u64 portn = be64_to_cpu(req->port_select_mask[3]); | |
2904 | u32 counter_select = be32_to_cpu(req->counter_select_mask); | |
2905 | u32 vl_select_mask = VL_MASK_ALL; /* clear all per-vl cnts */ | |
2906 | unsigned long vl; | |
2907 | ||
2908 | if ((nports != 1) || (portn != 1 << port)) { | |
2909 | pmp->mad_hdr.status |= IB_SMP_INVALID_FIELD; | |
2910 | return reply((struct ib_mad_hdr *)pmp); | |
2911 | } | |
2912 | /* | |
2913 | * only counters returned by pma_get_opa_portstatus() are | |
2914 | * handled, so when pma_get_opa_portstatus() gets a fix, | |
2915 | * the corresponding change should be made here as well. | |
2916 | */ | |
2917 | ||
2918 | if (counter_select & CS_PORT_XMIT_DATA) | |
2919 | write_dev_cntr(dd, C_DC_XMIT_FLITS, CNTR_INVALID_VL, 0); | |
2920 | ||
2921 | if (counter_select & CS_PORT_RCV_DATA) | |
2922 | write_dev_cntr(dd, C_DC_RCV_FLITS, CNTR_INVALID_VL, 0); | |
2923 | ||
2924 | if (counter_select & CS_PORT_XMIT_PKTS) | |
2925 | write_dev_cntr(dd, C_DC_XMIT_PKTS, CNTR_INVALID_VL, 0); | |
2926 | ||
2927 | if (counter_select & CS_PORT_RCV_PKTS) | |
2928 | write_dev_cntr(dd, C_DC_RCV_PKTS, CNTR_INVALID_VL, 0); | |
2929 | ||
2930 | if (counter_select & CS_PORT_MCAST_XMIT_PKTS) | |
2931 | write_dev_cntr(dd, C_DC_MC_XMIT_PKTS, CNTR_INVALID_VL, 0); | |
2932 | ||
2933 | if (counter_select & CS_PORT_MCAST_RCV_PKTS) | |
2934 | write_dev_cntr(dd, C_DC_MC_RCV_PKTS, CNTR_INVALID_VL, 0); | |
2935 | ||
2936 | if (counter_select & CS_PORT_XMIT_WAIT) | |
2937 | write_port_cntr(ppd, C_TX_WAIT, CNTR_INVALID_VL, 0); | |
2938 | ||
2939 | /* ignore cs_sw_portCongestion for HFIs */ | |
2940 | ||
2941 | if (counter_select & CS_PORT_RCV_FECN) | |
2942 | write_dev_cntr(dd, C_DC_RCV_FCN, CNTR_INVALID_VL, 0); | |
2943 | ||
2944 | if (counter_select & CS_PORT_RCV_BECN) | |
2945 | write_dev_cntr(dd, C_DC_RCV_BCN, CNTR_INVALID_VL, 0); | |
2946 | ||
2947 | /* ignore cs_port_xmit_time_cong for HFIs */ | |
2948 | /* ignore cs_port_xmit_wasted_bw for now */ | |
2949 | /* ignore cs_port_xmit_wait_data for now */ | |
2950 | if (counter_select & CS_PORT_RCV_BUBBLE) | |
2951 | write_dev_cntr(dd, C_DC_RCV_BBL, CNTR_INVALID_VL, 0); | |
2952 | ||
2953 | /* Only applicable for switch */ | |
2954 | /*if (counter_select & CS_PORT_MARK_FECN) | |
2955 | write_csr(dd, DCC_PRF_PORT_MARK_FECN_CNT, 0);*/ | |
2956 | ||
2957 | if (counter_select & CS_PORT_RCV_CONSTRAINT_ERRORS) | |
2958 | write_port_cntr(ppd, C_SW_RCV_CSTR_ERR, CNTR_INVALID_VL, 0); | |
2959 | ||
2960 | /* ignore cs_port_rcv_switch_relay_errors for HFIs */ | |
2961 | if (counter_select & CS_PORT_XMIT_DISCARDS) | |
2962 | write_port_cntr(ppd, C_SW_XMIT_DSCD, CNTR_INVALID_VL, 0); | |
2963 | ||
2964 | if (counter_select & CS_PORT_XMIT_CONSTRAINT_ERRORS) | |
2965 | write_port_cntr(ppd, C_SW_XMIT_CSTR_ERR, CNTR_INVALID_VL, 0); | |
2966 | ||
2967 | if (counter_select & CS_PORT_RCV_REMOTE_PHYSICAL_ERRORS) | |
2968 | write_dev_cntr(dd, C_DC_RMT_PHY_ERR, CNTR_INVALID_VL, 0); | |
2969 | ||
2970 | if (counter_select & CS_LOCAL_LINK_INTEGRITY_ERRORS) { | |
2971 | write_dev_cntr(dd, C_DC_TX_REPLAY, CNTR_INVALID_VL, 0); | |
2972 | write_dev_cntr(dd, C_DC_RX_REPLAY, CNTR_INVALID_VL, 0); | |
2973 | } | |
2974 | ||
2975 | if (counter_select & CS_LINK_ERROR_RECOVERY) { | |
2976 | write_dev_cntr(dd, C_DC_SEQ_CRC_CNT, CNTR_INVALID_VL, 0); | |
2977 | write_dev_cntr(dd, C_DC_REINIT_FROM_PEER_CNT, | |
2978 | CNTR_INVALID_VL, 0); | |
2979 | } | |
2980 | ||
2981 | if (counter_select & CS_PORT_RCV_ERRORS) | |
2982 | write_dev_cntr(dd, C_DC_RCV_ERR, CNTR_INVALID_VL, 0); | |
2983 | ||
2984 | if (counter_select & CS_EXCESSIVE_BUFFER_OVERRUNS) { | |
2985 | write_dev_cntr(dd, C_RCV_OVF, CNTR_INVALID_VL, 0); | |
2986 | dd->rcv_ovfl_cnt = 0; | |
2987 | } | |
2988 | ||
2989 | if (counter_select & CS_FM_CONFIG_ERRORS) | |
2990 | write_dev_cntr(dd, C_DC_FM_CFG_ERR, CNTR_INVALID_VL, 0); | |
2991 | ||
2992 | if (counter_select & CS_LINK_DOWNED) | |
2993 | write_port_cntr(ppd, C_SW_LINK_DOWN, CNTR_INVALID_VL, 0); | |
2994 | ||
2995 | if (counter_select & CS_UNCORRECTABLE_ERRORS) | |
2996 | write_dev_cntr(dd, C_DC_UNC_ERR, CNTR_INVALID_VL, 0); | |
2997 | ||
2998 | for_each_set_bit(vl, (unsigned long *)&(vl_select_mask), | |
2999 | 8 * sizeof(vl_select_mask)) { | |
3000 | ||
3001 | if (counter_select & CS_PORT_XMIT_DATA) | |
3002 | write_port_cntr(ppd, C_TX_FLIT_VL, idx_from_vl(vl), 0); | |
3003 | ||
3004 | if (counter_select & CS_PORT_RCV_DATA) | |
3005 | write_dev_cntr(dd, C_DC_RX_FLIT_VL, idx_from_vl(vl), 0); | |
3006 | ||
3007 | if (counter_select & CS_PORT_XMIT_PKTS) | |
3008 | write_port_cntr(ppd, C_TX_PKT_VL, idx_from_vl(vl), 0); | |
3009 | ||
3010 | if (counter_select & CS_PORT_RCV_PKTS) | |
3011 | write_dev_cntr(dd, C_DC_RX_PKT_VL, idx_from_vl(vl), 0); | |
3012 | ||
3013 | if (counter_select & CS_PORT_XMIT_WAIT) | |
3014 | write_port_cntr(ppd, C_TX_WAIT_VL, idx_from_vl(vl), 0); | |
3015 | ||
3016 | /* sw_port_vl_congestion is 0 for HFIs */ | |
3017 | if (counter_select & CS_PORT_RCV_FECN) | |
3018 | write_dev_cntr(dd, C_DC_RCV_FCN_VL, idx_from_vl(vl), 0); | |
3019 | ||
3020 | if (counter_select & CS_PORT_RCV_BECN) | |
3021 | write_dev_cntr(dd, C_DC_RCV_BCN_VL, idx_from_vl(vl), 0); | |
3022 | ||
3023 | /* port_vl_xmit_time_cong is 0 for HFIs */ | |
3024 | /* port_vl_xmit_wasted_bw ??? */ | |
3025 | /* port_vl_xmit_wait_data - TXE (table 13-9 HFI spec) ??? */ | |
3026 | if (counter_select & CS_PORT_RCV_BUBBLE) | |
3027 | write_dev_cntr(dd, C_DC_RCV_BBL_VL, idx_from_vl(vl), 0); | |
3028 | ||
3029 | /*if (counter_select & CS_PORT_MARK_FECN) | |
3030 | write_csr(dd, DCC_PRF_PORT_VL_MARK_FECN_CNT + offset, 0); | |
3031 | */ | |
3032 | /* port_vl_xmit_discards ??? */ | |
3033 | } | |
3034 | ||
3035 | if (resp_len) | |
3036 | *resp_len += sizeof(*req); | |
3037 | ||
3038 | return reply((struct ib_mad_hdr *)pmp); | |
3039 | } | |
3040 | ||
3041 | static int pma_set_opa_errorinfo(struct opa_pma_mad *pmp, | |
3042 | struct ib_device *ibdev, u8 port, u32 *resp_len) | |
3043 | { | |
3044 | struct _port_ei *rsp; | |
3045 | struct opa_port_error_info_msg *req; | |
3046 | struct hfi1_devdata *dd = dd_from_ibdev(ibdev); | |
3047 | u64 port_mask; | |
3048 | u32 num_ports; | |
3049 | unsigned long port_num; | |
3050 | u8 num_pslm; | |
3051 | u32 error_info_select; | |
3052 | ||
3053 | req = (struct opa_port_error_info_msg *)pmp->data; | |
3054 | rsp = (struct _port_ei *)&(req->port[0]); | |
3055 | ||
3056 | num_ports = OPA_AM_NPORT(be32_to_cpu(pmp->mad_hdr.attr_mod)); | |
3057 | num_pslm = hweight64(be64_to_cpu(req->port_select_mask[3])); | |
3058 | ||
3059 | memset(rsp, 0, sizeof(*rsp)); | |
3060 | ||
3061 | if (num_ports != 1 || num_ports != num_pslm) { | |
3062 | pmp->mad_hdr.status |= IB_SMP_INVALID_FIELD; | |
3063 | return reply((struct ib_mad_hdr *)pmp); | |
3064 | } | |
3065 | ||
3066 | /* | |
3067 | * The bit set in the mask needs to be consistent with the port | |
3068 | * the request came in on. | |
3069 | */ | |
3070 | port_mask = be64_to_cpu(req->port_select_mask[3]); | |
3071 | port_num = find_first_bit((unsigned long *)&port_mask, | |
3072 | sizeof(port_mask)); | |
3073 | ||
3074 | if ((u8)port_num != port) { | |
3075 | pmp->mad_hdr.status |= IB_SMP_INVALID_FIELD; | |
3076 | return reply((struct ib_mad_hdr *)pmp); | |
3077 | } | |
3078 | ||
3079 | error_info_select = be32_to_cpu(req->error_info_select_mask); | |
3080 | ||
3081 | /* PortRcvErrorInfo */ | |
3082 | if (error_info_select & ES_PORT_RCV_ERROR_INFO) | |
3083 | /* turn off status bit */ | |
3084 | dd->err_info_rcvport.status_and_code &= ~OPA_EI_STATUS_SMASK; | |
3085 | ||
3086 | /* ExcessiverBufferOverrunInfo */ | |
3087 | if (error_info_select & ES_EXCESSIVE_BUFFER_OVERRUN_INFO) | |
3088 | /* status bit is essentially kept in the h/w - bit 5 of | |
3089 | * RCV_ERR_INFO */ | |
3090 | write_csr(dd, RCV_ERR_INFO, | |
3091 | RCV_ERR_INFO_RCV_EXCESS_BUFFER_OVERRUN_SMASK); | |
3092 | ||
3093 | if (error_info_select & ES_PORT_XMIT_CONSTRAINT_ERROR_INFO) | |
3094 | dd->err_info_xmit_constraint.status &= ~OPA_EI_STATUS_SMASK; | |
3095 | ||
3096 | if (error_info_select & ES_PORT_RCV_CONSTRAINT_ERROR_INFO) | |
3097 | dd->err_info_rcv_constraint.status &= ~OPA_EI_STATUS_SMASK; | |
3098 | ||
3099 | /* UncorrectableErrorInfo */ | |
3100 | if (error_info_select & ES_UNCORRECTABLE_ERROR_INFO) | |
3101 | /* turn off status bit */ | |
3102 | dd->err_info_uncorrectable &= ~OPA_EI_STATUS_SMASK; | |
3103 | ||
3104 | /* FMConfigErrorInfo */ | |
3105 | if (error_info_select & ES_FM_CONFIG_ERROR_INFO) | |
3106 | /* turn off status bit */ | |
3107 | dd->err_info_fmconfig &= ~OPA_EI_STATUS_SMASK; | |
3108 | ||
3109 | if (resp_len) | |
3110 | *resp_len += sizeof(*req); | |
3111 | ||
3112 | return reply((struct ib_mad_hdr *)pmp); | |
3113 | } | |
3114 | ||
3115 | struct opa_congestion_info_attr { | |
3116 | __be16 congestion_info; | |
3117 | u8 control_table_cap; /* Multiple of 64 entry unit CCTs */ | |
3118 | u8 congestion_log_length; | |
3119 | } __packed; | |
3120 | ||
3121 | static int __subn_get_opa_cong_info(struct opa_smp *smp, u32 am, u8 *data, | |
3122 | struct ib_device *ibdev, u8 port, | |
3123 | u32 *resp_len) | |
3124 | { | |
3125 | struct opa_congestion_info_attr *p = | |
3126 | (struct opa_congestion_info_attr *)data; | |
3127 | struct hfi1_ibport *ibp = to_iport(ibdev, port); | |
3128 | struct hfi1_pportdata *ppd = ppd_from_ibp(ibp); | |
3129 | ||
3130 | p->congestion_info = 0; | |
3131 | p->control_table_cap = ppd->cc_max_table_entries; | |
3132 | p->congestion_log_length = OPA_CONG_LOG_ELEMS; | |
3133 | ||
3134 | if (resp_len) | |
3135 | *resp_len += sizeof(*p); | |
3136 | ||
3137 | return reply((struct ib_mad_hdr *)smp); | |
3138 | } | |
3139 | ||
3140 | static int __subn_get_opa_cong_setting(struct opa_smp *smp, u32 am, | |
3141 | u8 *data, | |
3142 | struct ib_device *ibdev, | |
3143 | u8 port, u32 *resp_len) | |
3144 | { | |
3145 | int i; | |
3146 | struct opa_congestion_setting_attr *p = | |
3147 | (struct opa_congestion_setting_attr *) data; | |
3148 | struct hfi1_ibport *ibp = to_iport(ibdev, port); | |
3149 | struct hfi1_pportdata *ppd = ppd_from_ibp(ibp); | |
3150 | struct opa_congestion_setting_entry_shadow *entries; | |
3151 | struct cc_state *cc_state; | |
3152 | ||
3153 | rcu_read_lock(); | |
3154 | ||
3155 | cc_state = get_cc_state(ppd); | |
3156 | ||
3157 | if (cc_state == NULL) { | |
3158 | rcu_read_unlock(); | |
3159 | return reply((struct ib_mad_hdr *)smp); | |
3160 | } | |
3161 | ||
3162 | entries = cc_state->cong_setting.entries; | |
3163 | p->port_control = cpu_to_be16(cc_state->cong_setting.port_control); | |
3164 | p->control_map = cpu_to_be32(cc_state->cong_setting.control_map); | |
3165 | for (i = 0; i < OPA_MAX_SLS; i++) { | |
3166 | p->entries[i].ccti_increase = entries[i].ccti_increase; | |
3167 | p->entries[i].ccti_timer = cpu_to_be16(entries[i].ccti_timer); | |
3168 | p->entries[i].trigger_threshold = | |
3169 | entries[i].trigger_threshold; | |
3170 | p->entries[i].ccti_min = entries[i].ccti_min; | |
3171 | } | |
3172 | ||
3173 | rcu_read_unlock(); | |
3174 | ||
3175 | if (resp_len) | |
3176 | *resp_len += sizeof(*p); | |
3177 | ||
3178 | return reply((struct ib_mad_hdr *)smp); | |
3179 | } | |
3180 | ||
3181 | static int __subn_set_opa_cong_setting(struct opa_smp *smp, u32 am, u8 *data, | |
3182 | struct ib_device *ibdev, u8 port, | |
3183 | u32 *resp_len) | |
3184 | { | |
3185 | struct opa_congestion_setting_attr *p = | |
3186 | (struct opa_congestion_setting_attr *) data; | |
3187 | struct hfi1_ibport *ibp = to_iport(ibdev, port); | |
3188 | struct hfi1_pportdata *ppd = ppd_from_ibp(ibp); | |
3189 | struct opa_congestion_setting_entry_shadow *entries; | |
3190 | int i; | |
3191 | ||
3192 | ppd->cc_sl_control_map = be32_to_cpu(p->control_map); | |
3193 | ||
3194 | entries = ppd->congestion_entries; | |
3195 | for (i = 0; i < OPA_MAX_SLS; i++) { | |
3196 | entries[i].ccti_increase = p->entries[i].ccti_increase; | |
3197 | entries[i].ccti_timer = be16_to_cpu(p->entries[i].ccti_timer); | |
3198 | entries[i].trigger_threshold = | |
3199 | p->entries[i].trigger_threshold; | |
3200 | entries[i].ccti_min = p->entries[i].ccti_min; | |
3201 | } | |
3202 | ||
3203 | return __subn_get_opa_cong_setting(smp, am, data, ibdev, port, | |
3204 | resp_len); | |
3205 | } | |
3206 | ||
3207 | static int __subn_get_opa_hfi1_cong_log(struct opa_smp *smp, u32 am, | |
3208 | u8 *data, struct ib_device *ibdev, | |
3209 | u8 port, u32 *resp_len) | |
3210 | { | |
3211 | struct hfi1_ibport *ibp = to_iport(ibdev, port); | |
3212 | struct hfi1_pportdata *ppd = ppd_from_ibp(ibp); | |
3213 | struct opa_hfi1_cong_log *cong_log = (struct opa_hfi1_cong_log *)data; | |
3214 | s64 ts; | |
3215 | int i; | |
3216 | ||
3217 | if (am != 0) { | |
3218 | smp->status |= IB_SMP_INVALID_FIELD; | |
3219 | return reply((struct ib_mad_hdr *)smp); | |
3220 | } | |
3221 | ||
b77d713a | 3222 | spin_lock_irq(&ppd->cc_log_lock); |
77241056 MM |
3223 | |
3224 | cong_log->log_type = OPA_CC_LOG_TYPE_HFI; | |
3225 | cong_log->congestion_flags = 0; | |
3226 | cong_log->threshold_event_counter = | |
3227 | cpu_to_be16(ppd->threshold_event_counter); | |
3228 | memcpy(cong_log->threshold_cong_event_map, | |
3229 | ppd->threshold_cong_event_map, | |
3230 | sizeof(cong_log->threshold_cong_event_map)); | |
3231 | /* keep timestamp in units of 1.024 usec */ | |
3232 | ts = ktime_to_ns(ktime_get()) / 1024; | |
3233 | cong_log->current_time_stamp = cpu_to_be32(ts); | |
3234 | for (i = 0; i < OPA_CONG_LOG_ELEMS; i++) { | |
3235 | struct opa_hfi1_cong_log_event_internal *cce = | |
3236 | &ppd->cc_events[ppd->cc_mad_idx++]; | |
3237 | if (ppd->cc_mad_idx == OPA_CONG_LOG_ELEMS) | |
3238 | ppd->cc_mad_idx = 0; | |
3239 | /* | |
3240 | * Entries which are older than twice the time | |
3241 | * required to wrap the counter are supposed to | |
3242 | * be zeroed (CA10-49 IBTA, release 1.2.1, V1). | |
3243 | */ | |
3244 | if ((u64)(ts - cce->timestamp) > (2 * UINT_MAX)) | |
3245 | continue; | |
3246 | memcpy(cong_log->events[i].local_qp_cn_entry, &cce->lqpn, 3); | |
3247 | memcpy(cong_log->events[i].remote_qp_number_cn_entry, | |
3248 | &cce->rqpn, 3); | |
3249 | cong_log->events[i].sl_svc_type_cn_entry = | |
3250 | ((cce->sl & 0x1f) << 3) | (cce->svc_type & 0x7); | |
3251 | cong_log->events[i].remote_lid_cn_entry = | |
3252 | cpu_to_be32(cce->rlid); | |
3253 | cong_log->events[i].timestamp_cn_entry = | |
3254 | cpu_to_be32(cce->timestamp); | |
3255 | } | |
3256 | ||
3257 | /* | |
3258 | * Reset threshold_cong_event_map, and threshold_event_counter | |
3259 | * to 0 when log is read. | |
3260 | */ | |
3261 | memset(ppd->threshold_cong_event_map, 0x0, | |
3262 | sizeof(ppd->threshold_cong_event_map)); | |
3263 | ppd->threshold_event_counter = 0; | |
3264 | ||
b77d713a | 3265 | spin_unlock_irq(&ppd->cc_log_lock); |
77241056 MM |
3266 | |
3267 | if (resp_len) | |
3268 | *resp_len += sizeof(struct opa_hfi1_cong_log); | |
3269 | ||
3270 | return reply((struct ib_mad_hdr *)smp); | |
3271 | } | |
3272 | ||
3273 | static int __subn_get_opa_cc_table(struct opa_smp *smp, u32 am, u8 *data, | |
3274 | struct ib_device *ibdev, u8 port, | |
3275 | u32 *resp_len) | |
3276 | { | |
3277 | struct ib_cc_table_attr *cc_table_attr = | |
3278 | (struct ib_cc_table_attr *) data; | |
3279 | struct hfi1_ibport *ibp = to_iport(ibdev, port); | |
3280 | struct hfi1_pportdata *ppd = ppd_from_ibp(ibp); | |
3281 | u32 start_block = OPA_AM_START_BLK(am); | |
3282 | u32 n_blocks = OPA_AM_NBLK(am); | |
3283 | struct ib_cc_table_entry_shadow *entries; | |
3284 | int i, j; | |
3285 | u32 sentry, eentry; | |
3286 | struct cc_state *cc_state; | |
3287 | ||
3288 | /* sanity check n_blocks, start_block */ | |
3289 | if (n_blocks == 0 || | |
3290 | start_block + n_blocks > ppd->cc_max_table_entries) { | |
3291 | smp->status |= IB_SMP_INVALID_FIELD; | |
3292 | return reply((struct ib_mad_hdr *)smp); | |
3293 | } | |
3294 | ||
3295 | rcu_read_lock(); | |
3296 | ||
3297 | cc_state = get_cc_state(ppd); | |
3298 | ||
3299 | if (cc_state == NULL) { | |
3300 | rcu_read_unlock(); | |
3301 | return reply((struct ib_mad_hdr *)smp); | |
3302 | } | |
3303 | ||
3304 | sentry = start_block * IB_CCT_ENTRIES; | |
3305 | eentry = sentry + (IB_CCT_ENTRIES * n_blocks); | |
3306 | ||
3307 | cc_table_attr->ccti_limit = cpu_to_be16(cc_state->cct.ccti_limit); | |
3308 | ||
3309 | entries = cc_state->cct.entries; | |
3310 | ||
3311 | /* return n_blocks, though the last block may not be full */ | |
3312 | for (j = 0, i = sentry; i < eentry; j++, i++) | |
3313 | cc_table_attr->ccti_entries[j].entry = | |
3314 | cpu_to_be16(entries[i].entry); | |
3315 | ||
3316 | rcu_read_unlock(); | |
3317 | ||
3318 | if (resp_len) | |
3319 | *resp_len += sizeof(u16)*(IB_CCT_ENTRIES * n_blocks + 1); | |
3320 | ||
3321 | return reply((struct ib_mad_hdr *)smp); | |
3322 | } | |
3323 | ||
3324 | void cc_state_reclaim(struct rcu_head *rcu) | |
3325 | { | |
3326 | struct cc_state *cc_state = container_of(rcu, struct cc_state, rcu); | |
3327 | ||
3328 | kfree(cc_state); | |
3329 | } | |
3330 | ||
3331 | static int __subn_set_opa_cc_table(struct opa_smp *smp, u32 am, u8 *data, | |
3332 | struct ib_device *ibdev, u8 port, | |
3333 | u32 *resp_len) | |
3334 | { | |
3335 | struct ib_cc_table_attr *p = (struct ib_cc_table_attr *) data; | |
3336 | struct hfi1_ibport *ibp = to_iport(ibdev, port); | |
3337 | struct hfi1_pportdata *ppd = ppd_from_ibp(ibp); | |
3338 | u32 start_block = OPA_AM_START_BLK(am); | |
3339 | u32 n_blocks = OPA_AM_NBLK(am); | |
3340 | struct ib_cc_table_entry_shadow *entries; | |
3341 | int i, j; | |
3342 | u32 sentry, eentry; | |
3343 | u16 ccti_limit; | |
3344 | struct cc_state *old_cc_state, *new_cc_state; | |
3345 | ||
3346 | /* sanity check n_blocks, start_block */ | |
3347 | if (n_blocks == 0 || | |
3348 | start_block + n_blocks > ppd->cc_max_table_entries) { | |
3349 | smp->status |= IB_SMP_INVALID_FIELD; | |
3350 | return reply((struct ib_mad_hdr *)smp); | |
3351 | } | |
3352 | ||
3353 | sentry = start_block * IB_CCT_ENTRIES; | |
3354 | eentry = sentry + ((n_blocks - 1) * IB_CCT_ENTRIES) + | |
3355 | (be16_to_cpu(p->ccti_limit)) % IB_CCT_ENTRIES + 1; | |
3356 | ||
3357 | /* sanity check ccti_limit */ | |
3358 | ccti_limit = be16_to_cpu(p->ccti_limit); | |
3359 | if (ccti_limit + 1 > eentry) { | |
3360 | smp->status |= IB_SMP_INVALID_FIELD; | |
3361 | return reply((struct ib_mad_hdr *)smp); | |
3362 | } | |
3363 | ||
3364 | new_cc_state = kzalloc(sizeof(*new_cc_state), GFP_KERNEL); | |
3365 | if (new_cc_state == NULL) | |
3366 | goto getit; | |
3367 | ||
3368 | spin_lock(&ppd->cc_state_lock); | |
3369 | ||
3370 | old_cc_state = get_cc_state(ppd); | |
3371 | ||
3372 | if (old_cc_state == NULL) { | |
3373 | spin_unlock(&ppd->cc_state_lock); | |
3374 | kfree(new_cc_state); | |
3375 | return reply((struct ib_mad_hdr *)smp); | |
3376 | } | |
3377 | ||
3378 | *new_cc_state = *old_cc_state; | |
3379 | ||
3380 | new_cc_state->cct.ccti_limit = ccti_limit; | |
3381 | ||
3382 | entries = ppd->ccti_entries; | |
3383 | ppd->total_cct_entry = ccti_limit + 1; | |
3384 | ||
3385 | for (j = 0, i = sentry; i < eentry; j++, i++) | |
3386 | entries[i].entry = be16_to_cpu(p->ccti_entries[j].entry); | |
3387 | ||
3388 | memcpy(new_cc_state->cct.entries, entries, | |
3389 | eentry * sizeof(struct ib_cc_table_entry)); | |
3390 | ||
3391 | new_cc_state->cong_setting.port_control = IB_CC_CCS_PC_SL_BASED; | |
3392 | new_cc_state->cong_setting.control_map = ppd->cc_sl_control_map; | |
3393 | memcpy(new_cc_state->cong_setting.entries, ppd->congestion_entries, | |
3394 | OPA_MAX_SLS * sizeof(struct opa_congestion_setting_entry)); | |
3395 | ||
3396 | rcu_assign_pointer(ppd->cc_state, new_cc_state); | |
3397 | ||
3398 | spin_unlock(&ppd->cc_state_lock); | |
3399 | ||
3400 | call_rcu(&old_cc_state->rcu, cc_state_reclaim); | |
3401 | ||
3402 | getit: | |
3403 | return __subn_get_opa_cc_table(smp, am, data, ibdev, port, resp_len); | |
3404 | } | |
3405 | ||
3406 | struct opa_led_info { | |
3407 | __be32 rsvd_led_mask; | |
3408 | __be32 rsvd; | |
3409 | }; | |
3410 | ||
3411 | #define OPA_LED_SHIFT 31 | |
349ac71f | 3412 | #define OPA_LED_MASK BIT(OPA_LED_SHIFT) |
77241056 MM |
3413 | |
3414 | static int __subn_get_opa_led_info(struct opa_smp *smp, u32 am, u8 *data, | |
3415 | struct ib_device *ibdev, u8 port, | |
3416 | u32 *resp_len) | |
3417 | { | |
3418 | struct hfi1_devdata *dd = dd_from_ibdev(ibdev); | |
3419 | struct opa_led_info *p = (struct opa_led_info *) data; | |
3420 | u32 nport = OPA_AM_NPORT(am); | |
3421 | u64 reg; | |
3422 | ||
801cfd6d | 3423 | if (nport != 1) { |
77241056 MM |
3424 | smp->status |= IB_SMP_INVALID_FIELD; |
3425 | return reply((struct ib_mad_hdr *)smp); | |
3426 | } | |
3427 | ||
3428 | reg = read_csr(dd, DCC_CFG_LED_CNTRL); | |
3429 | if ((reg & DCC_CFG_LED_CNTRL_LED_CNTRL_SMASK) && | |
3430 | ((reg & DCC_CFG_LED_CNTRL_LED_SW_BLINK_RATE_SMASK) == 0xf)) | |
3431 | p->rsvd_led_mask = cpu_to_be32(OPA_LED_MASK); | |
3432 | ||
3433 | if (resp_len) | |
3434 | *resp_len += sizeof(struct opa_led_info); | |
3435 | ||
3436 | return reply((struct ib_mad_hdr *)smp); | |
3437 | } | |
3438 | ||
3439 | static int __subn_set_opa_led_info(struct opa_smp *smp, u32 am, u8 *data, | |
3440 | struct ib_device *ibdev, u8 port, | |
3441 | u32 *resp_len) | |
3442 | { | |
3443 | struct hfi1_devdata *dd = dd_from_ibdev(ibdev); | |
3444 | struct opa_led_info *p = (struct opa_led_info *) data; | |
3445 | u32 nport = OPA_AM_NPORT(am); | |
3446 | int on = !!(be32_to_cpu(p->rsvd_led_mask) & OPA_LED_MASK); | |
3447 | ||
801cfd6d | 3448 | if (nport != 1) { |
77241056 MM |
3449 | smp->status |= IB_SMP_INVALID_FIELD; |
3450 | return reply((struct ib_mad_hdr *)smp); | |
3451 | } | |
3452 | ||
3453 | setextled(dd, on); | |
3454 | ||
3455 | return __subn_get_opa_led_info(smp, am, data, ibdev, port, resp_len); | |
3456 | } | |
3457 | ||
3458 | static int subn_get_opa_sma(__be16 attr_id, struct opa_smp *smp, u32 am, | |
3459 | u8 *data, struct ib_device *ibdev, u8 port, | |
3460 | u32 *resp_len) | |
3461 | { | |
3462 | int ret; | |
3463 | struct hfi1_ibport *ibp = to_iport(ibdev, port); | |
3464 | ||
3465 | switch (attr_id) { | |
3466 | case IB_SMP_ATTR_NODE_DESC: | |
3467 | ret = __subn_get_opa_nodedesc(smp, am, data, ibdev, port, | |
3468 | resp_len); | |
3469 | break; | |
3470 | case IB_SMP_ATTR_NODE_INFO: | |
3471 | ret = __subn_get_opa_nodeinfo(smp, am, data, ibdev, port, | |
3472 | resp_len); | |
3473 | break; | |
3474 | case IB_SMP_ATTR_PORT_INFO: | |
3475 | ret = __subn_get_opa_portinfo(smp, am, data, ibdev, port, | |
3476 | resp_len); | |
3477 | break; | |
3478 | case IB_SMP_ATTR_PKEY_TABLE: | |
3479 | ret = __subn_get_opa_pkeytable(smp, am, data, ibdev, port, | |
3480 | resp_len); | |
3481 | break; | |
3482 | case OPA_ATTRIB_ID_SL_TO_SC_MAP: | |
3483 | ret = __subn_get_opa_sl_to_sc(smp, am, data, ibdev, port, | |
3484 | resp_len); | |
3485 | break; | |
3486 | case OPA_ATTRIB_ID_SC_TO_SL_MAP: | |
3487 | ret = __subn_get_opa_sc_to_sl(smp, am, data, ibdev, port, | |
3488 | resp_len); | |
3489 | break; | |
3490 | case OPA_ATTRIB_ID_SC_TO_VLT_MAP: | |
3491 | ret = __subn_get_opa_sc_to_vlt(smp, am, data, ibdev, port, | |
3492 | resp_len); | |
3493 | break; | |
3494 | case OPA_ATTRIB_ID_SC_TO_VLNT_MAP: | |
3495 | ret = __subn_get_opa_sc_to_vlnt(smp, am, data, ibdev, port, | |
3496 | resp_len); | |
3497 | break; | |
3498 | case OPA_ATTRIB_ID_PORT_STATE_INFO: | |
3499 | ret = __subn_get_opa_psi(smp, am, data, ibdev, port, | |
3500 | resp_len); | |
3501 | break; | |
3502 | case OPA_ATTRIB_ID_BUFFER_CONTROL_TABLE: | |
3503 | ret = __subn_get_opa_bct(smp, am, data, ibdev, port, | |
3504 | resp_len); | |
3505 | break; | |
3506 | case OPA_ATTRIB_ID_CABLE_INFO: | |
3507 | ret = __subn_get_opa_cable_info(smp, am, data, ibdev, port, | |
3508 | resp_len); | |
3509 | break; | |
3510 | case IB_SMP_ATTR_VL_ARB_TABLE: | |
3511 | ret = __subn_get_opa_vl_arb(smp, am, data, ibdev, port, | |
3512 | resp_len); | |
3513 | break; | |
3514 | case OPA_ATTRIB_ID_CONGESTION_INFO: | |
3515 | ret = __subn_get_opa_cong_info(smp, am, data, ibdev, port, | |
3516 | resp_len); | |
3517 | break; | |
3518 | case OPA_ATTRIB_ID_HFI_CONGESTION_SETTING: | |
3519 | ret = __subn_get_opa_cong_setting(smp, am, data, ibdev, | |
3520 | port, resp_len); | |
3521 | break; | |
3522 | case OPA_ATTRIB_ID_HFI_CONGESTION_LOG: | |
3523 | ret = __subn_get_opa_hfi1_cong_log(smp, am, data, ibdev, | |
3524 | port, resp_len); | |
3525 | break; | |
3526 | case OPA_ATTRIB_ID_CONGESTION_CONTROL_TABLE: | |
3527 | ret = __subn_get_opa_cc_table(smp, am, data, ibdev, port, | |
3528 | resp_len); | |
3529 | break; | |
3530 | case IB_SMP_ATTR_LED_INFO: | |
3531 | ret = __subn_get_opa_led_info(smp, am, data, ibdev, port, | |
3532 | resp_len); | |
3533 | break; | |
3534 | case IB_SMP_ATTR_SM_INFO: | |
3535 | if (ibp->port_cap_flags & IB_PORT_SM_DISABLED) | |
3536 | return IB_MAD_RESULT_SUCCESS | IB_MAD_RESULT_CONSUMED; | |
3537 | if (ibp->port_cap_flags & IB_PORT_SM) | |
3538 | return IB_MAD_RESULT_SUCCESS; | |
3539 | /* FALLTHROUGH */ | |
3540 | default: | |
3541 | smp->status |= IB_SMP_UNSUP_METH_ATTR; | |
3542 | ret = reply((struct ib_mad_hdr *)smp); | |
3543 | break; | |
3544 | } | |
3545 | return ret; | |
3546 | } | |
3547 | ||
3548 | static int subn_set_opa_sma(__be16 attr_id, struct opa_smp *smp, u32 am, | |
3549 | u8 *data, struct ib_device *ibdev, u8 port, | |
3550 | u32 *resp_len) | |
3551 | { | |
3552 | int ret; | |
3553 | struct hfi1_ibport *ibp = to_iport(ibdev, port); | |
3554 | ||
3555 | switch (attr_id) { | |
3556 | case IB_SMP_ATTR_PORT_INFO: | |
3557 | ret = __subn_set_opa_portinfo(smp, am, data, ibdev, port, | |
3558 | resp_len); | |
3559 | break; | |
3560 | case IB_SMP_ATTR_PKEY_TABLE: | |
3561 | ret = __subn_set_opa_pkeytable(smp, am, data, ibdev, port, | |
3562 | resp_len); | |
3563 | break; | |
3564 | case OPA_ATTRIB_ID_SL_TO_SC_MAP: | |
3565 | ret = __subn_set_opa_sl_to_sc(smp, am, data, ibdev, port, | |
3566 | resp_len); | |
3567 | break; | |
3568 | case OPA_ATTRIB_ID_SC_TO_SL_MAP: | |
3569 | ret = __subn_set_opa_sc_to_sl(smp, am, data, ibdev, port, | |
3570 | resp_len); | |
3571 | break; | |
3572 | case OPA_ATTRIB_ID_SC_TO_VLT_MAP: | |
3573 | ret = __subn_set_opa_sc_to_vlt(smp, am, data, ibdev, port, | |
3574 | resp_len); | |
3575 | break; | |
3576 | case OPA_ATTRIB_ID_SC_TO_VLNT_MAP: | |
3577 | ret = __subn_set_opa_sc_to_vlnt(smp, am, data, ibdev, port, | |
3578 | resp_len); | |
3579 | break; | |
3580 | case OPA_ATTRIB_ID_PORT_STATE_INFO: | |
3581 | ret = __subn_set_opa_psi(smp, am, data, ibdev, port, | |
3582 | resp_len); | |
3583 | break; | |
3584 | case OPA_ATTRIB_ID_BUFFER_CONTROL_TABLE: | |
3585 | ret = __subn_set_opa_bct(smp, am, data, ibdev, port, | |
3586 | resp_len); | |
3587 | break; | |
3588 | case IB_SMP_ATTR_VL_ARB_TABLE: | |
3589 | ret = __subn_set_opa_vl_arb(smp, am, data, ibdev, port, | |
3590 | resp_len); | |
3591 | break; | |
3592 | case OPA_ATTRIB_ID_HFI_CONGESTION_SETTING: | |
3593 | ret = __subn_set_opa_cong_setting(smp, am, data, ibdev, | |
3594 | port, resp_len); | |
3595 | break; | |
3596 | case OPA_ATTRIB_ID_CONGESTION_CONTROL_TABLE: | |
3597 | ret = __subn_set_opa_cc_table(smp, am, data, ibdev, port, | |
3598 | resp_len); | |
3599 | break; | |
3600 | case IB_SMP_ATTR_LED_INFO: | |
3601 | ret = __subn_set_opa_led_info(smp, am, data, ibdev, port, | |
3602 | resp_len); | |
3603 | break; | |
3604 | case IB_SMP_ATTR_SM_INFO: | |
3605 | if (ibp->port_cap_flags & IB_PORT_SM_DISABLED) | |
3606 | return IB_MAD_RESULT_SUCCESS | IB_MAD_RESULT_CONSUMED; | |
3607 | if (ibp->port_cap_flags & IB_PORT_SM) | |
3608 | return IB_MAD_RESULT_SUCCESS; | |
3609 | /* FALLTHROUGH */ | |
3610 | default: | |
3611 | smp->status |= IB_SMP_UNSUP_METH_ATTR; | |
3612 | ret = reply((struct ib_mad_hdr *)smp); | |
3613 | break; | |
3614 | } | |
3615 | return ret; | |
3616 | } | |
3617 | ||
3618 | static inline void set_aggr_error(struct opa_aggregate *ag) | |
3619 | { | |
3620 | ag->err_reqlength |= cpu_to_be16(0x8000); | |
3621 | } | |
3622 | ||
3623 | static int subn_get_opa_aggregate(struct opa_smp *smp, | |
3624 | struct ib_device *ibdev, u8 port, | |
3625 | u32 *resp_len) | |
3626 | { | |
3627 | int i; | |
3628 | u32 num_attr = be32_to_cpu(smp->attr_mod) & 0x000000ff; | |
3629 | u8 *next_smp = opa_get_smp_data(smp); | |
3630 | ||
3631 | if (num_attr < 1 || num_attr > 117) { | |
3632 | smp->status |= IB_SMP_INVALID_FIELD; | |
3633 | return reply((struct ib_mad_hdr *)smp); | |
3634 | } | |
3635 | ||
3636 | for (i = 0; i < num_attr; i++) { | |
3637 | struct opa_aggregate *agg; | |
3638 | size_t agg_data_len; | |
3639 | size_t agg_size; | |
3640 | u32 am; | |
3641 | ||
3642 | agg = (struct opa_aggregate *)next_smp; | |
3643 | agg_data_len = (be16_to_cpu(agg->err_reqlength) & 0x007f) * 8; | |
3644 | agg_size = sizeof(*agg) + agg_data_len; | |
3645 | am = be32_to_cpu(agg->attr_mod); | |
3646 | ||
3647 | *resp_len += agg_size; | |
3648 | ||
3649 | if (next_smp + agg_size > ((u8 *)smp) + sizeof(*smp)) { | |
3650 | smp->status |= IB_SMP_INVALID_FIELD; | |
3651 | return reply((struct ib_mad_hdr *)smp); | |
3652 | } | |
3653 | ||
3654 | /* zero the payload for this segment */ | |
3655 | memset(next_smp + sizeof(*agg), 0, agg_data_len); | |
3656 | ||
3657 | (void) subn_get_opa_sma(agg->attr_id, smp, am, agg->data, | |
3658 | ibdev, port, NULL); | |
3659 | if (smp->status & ~IB_SMP_DIRECTION) { | |
3660 | set_aggr_error(agg); | |
3661 | return reply((struct ib_mad_hdr *)smp); | |
3662 | } | |
3663 | next_smp += agg_size; | |
3664 | ||
3665 | } | |
3666 | ||
3667 | return reply((struct ib_mad_hdr *)smp); | |
3668 | } | |
3669 | ||
3670 | static int subn_set_opa_aggregate(struct opa_smp *smp, | |
3671 | struct ib_device *ibdev, u8 port, | |
3672 | u32 *resp_len) | |
3673 | { | |
3674 | int i; | |
3675 | u32 num_attr = be32_to_cpu(smp->attr_mod) & 0x000000ff; | |
3676 | u8 *next_smp = opa_get_smp_data(smp); | |
3677 | ||
3678 | if (num_attr < 1 || num_attr > 117) { | |
3679 | smp->status |= IB_SMP_INVALID_FIELD; | |
3680 | return reply((struct ib_mad_hdr *)smp); | |
3681 | } | |
3682 | ||
3683 | for (i = 0; i < num_attr; i++) { | |
3684 | struct opa_aggregate *agg; | |
3685 | size_t agg_data_len; | |
3686 | size_t agg_size; | |
3687 | u32 am; | |
3688 | ||
3689 | agg = (struct opa_aggregate *)next_smp; | |
3690 | agg_data_len = (be16_to_cpu(agg->err_reqlength) & 0x007f) * 8; | |
3691 | agg_size = sizeof(*agg) + agg_data_len; | |
3692 | am = be32_to_cpu(agg->attr_mod); | |
3693 | ||
3694 | *resp_len += agg_size; | |
3695 | ||
3696 | if (next_smp + agg_size > ((u8 *)smp) + sizeof(*smp)) { | |
3697 | smp->status |= IB_SMP_INVALID_FIELD; | |
3698 | return reply((struct ib_mad_hdr *)smp); | |
3699 | } | |
3700 | ||
3701 | (void) subn_set_opa_sma(agg->attr_id, smp, am, agg->data, | |
3702 | ibdev, port, NULL); | |
3703 | if (smp->status & ~IB_SMP_DIRECTION) { | |
3704 | set_aggr_error(agg); | |
3705 | return reply((struct ib_mad_hdr *)smp); | |
3706 | } | |
3707 | next_smp += agg_size; | |
3708 | ||
3709 | } | |
3710 | ||
3711 | return reply((struct ib_mad_hdr *)smp); | |
3712 | } | |
3713 | ||
3714 | /* | |
3715 | * OPAv1 specifies that, on the transition to link up, these counters | |
3716 | * are cleared: | |
3717 | * PortRcvErrors [*] | |
3718 | * LinkErrorRecovery | |
3719 | * LocalLinkIntegrityErrors | |
3720 | * ExcessiveBufferOverruns [*] | |
3721 | * | |
3722 | * [*] Error info associated with these counters is retained, but the | |
3723 | * error info status is reset to 0. | |
3724 | */ | |
3725 | void clear_linkup_counters(struct hfi1_devdata *dd) | |
3726 | { | |
3727 | /* PortRcvErrors */ | |
3728 | write_dev_cntr(dd, C_DC_RCV_ERR, CNTR_INVALID_VL, 0); | |
3729 | dd->err_info_rcvport.status_and_code &= ~OPA_EI_STATUS_SMASK; | |
3730 | /* LinkErrorRecovery */ | |
3731 | write_dev_cntr(dd, C_DC_SEQ_CRC_CNT, CNTR_INVALID_VL, 0); | |
3732 | write_dev_cntr(dd, C_DC_REINIT_FROM_PEER_CNT, CNTR_INVALID_VL, 0); | |
3733 | /* LocalLinkIntegrityErrors */ | |
3734 | write_dev_cntr(dd, C_DC_TX_REPLAY, CNTR_INVALID_VL, 0); | |
3735 | write_dev_cntr(dd, C_DC_RX_REPLAY, CNTR_INVALID_VL, 0); | |
3736 | /* ExcessiveBufferOverruns */ | |
3737 | write_dev_cntr(dd, C_RCV_OVF, CNTR_INVALID_VL, 0); | |
3738 | dd->rcv_ovfl_cnt = 0; | |
3739 | dd->err_info_xmit_constraint.status &= ~OPA_EI_STATUS_SMASK; | |
3740 | } | |
3741 | ||
3742 | /* | |
3743 | * is_local_mad() returns 1 if 'mad' is sent from, and destined to the | |
3744 | * local node, 0 otherwise. | |
3745 | */ | |
3746 | static int is_local_mad(struct hfi1_ibport *ibp, const struct opa_mad *mad, | |
3747 | const struct ib_wc *in_wc) | |
3748 | { | |
3749 | struct hfi1_pportdata *ppd = ppd_from_ibp(ibp); | |
3750 | const struct opa_smp *smp = (const struct opa_smp *)mad; | |
3751 | ||
3752 | if (smp->mgmt_class == IB_MGMT_CLASS_SUBN_DIRECTED_ROUTE) { | |
3753 | return (smp->hop_cnt == 0 && | |
3754 | smp->route.dr.dr_slid == OPA_LID_PERMISSIVE && | |
3755 | smp->route.dr.dr_dlid == OPA_LID_PERMISSIVE); | |
3756 | } | |
3757 | ||
3758 | return (in_wc->slid == ppd->lid); | |
3759 | } | |
3760 | ||
3761 | /* | |
3762 | * opa_local_smp_check() should only be called on MADs for which | |
3763 | * is_local_mad() returns true. It applies the SMP checks that are | |
3764 | * specific to SMPs which are sent from, and destined to this node. | |
3765 | * opa_local_smp_check() returns 0 if the SMP passes its checks, 1 | |
3766 | * otherwise. | |
3767 | * | |
3768 | * SMPs which arrive from other nodes are instead checked by | |
3769 | * opa_smp_check(). | |
3770 | */ | |
3771 | static int opa_local_smp_check(struct hfi1_ibport *ibp, | |
3772 | const struct ib_wc *in_wc) | |
3773 | { | |
3774 | struct hfi1_pportdata *ppd = ppd_from_ibp(ibp); | |
3775 | u16 slid = in_wc->slid; | |
3776 | u16 pkey; | |
3777 | ||
3778 | if (in_wc->pkey_index >= ARRAY_SIZE(ppd->pkeys)) | |
3779 | return 1; | |
3780 | ||
3781 | pkey = ppd->pkeys[in_wc->pkey_index]; | |
3782 | /* | |
3783 | * We need to do the "node-local" checks specified in OPAv1, | |
3784 | * rev 0.90, section 9.10.26, which are: | |
3785 | * - pkey is 0x7fff, or 0xffff | |
3786 | * - Source QPN == 0 || Destination QPN == 0 | |
3787 | * - the MAD header's management class is either | |
3788 | * IB_MGMT_CLASS_SUBN_DIRECTED_ROUTE or | |
3789 | * IB_MGMT_CLASS_SUBN_LID_ROUTED | |
3790 | * - SLID != 0 | |
3791 | * | |
3792 | * However, we know (and so don't need to check again) that, | |
3793 | * for local SMPs, the MAD stack passes MADs with: | |
3794 | * - Source QPN of 0 | |
3795 | * - MAD mgmt_class is IB_MGMT_CLASS_SUBN_DIRECTED_ROUTE | |
3796 | * - SLID is either: OPA_LID_PERMISSIVE (0xFFFFFFFF), or | |
3797 | * our own port's lid | |
3798 | * | |
3799 | */ | |
3800 | if (pkey == LIM_MGMT_P_KEY || pkey == FULL_MGMT_P_KEY) | |
3801 | return 0; | |
3802 | ingress_pkey_table_fail(ppd, pkey, slid); | |
3803 | return 1; | |
3804 | } | |
3805 | ||
3806 | static int process_subn_opa(struct ib_device *ibdev, int mad_flags, | |
3807 | u8 port, const struct opa_mad *in_mad, | |
3808 | struct opa_mad *out_mad, | |
3809 | u32 *resp_len) | |
3810 | { | |
3811 | struct opa_smp *smp = (struct opa_smp *)out_mad; | |
3812 | struct hfi1_ibport *ibp = to_iport(ibdev, port); | |
3813 | u8 *data; | |
3814 | u32 am; | |
3815 | __be16 attr_id; | |
3816 | int ret; | |
3817 | ||
3818 | *out_mad = *in_mad; | |
3819 | data = opa_get_smp_data(smp); | |
3820 | ||
3821 | am = be32_to_cpu(smp->attr_mod); | |
3822 | attr_id = smp->attr_id; | |
3823 | if (smp->class_version != OPA_SMI_CLASS_VERSION) { | |
3824 | smp->status |= IB_SMP_UNSUP_VERSION; | |
3825 | ret = reply((struct ib_mad_hdr *)smp); | |
3826 | goto bail; | |
3827 | } | |
3828 | ret = check_mkey(ibp, (struct ib_mad_hdr *)smp, mad_flags, smp->mkey, | |
3829 | smp->route.dr.dr_slid, smp->route.dr.return_path, | |
3830 | smp->hop_cnt); | |
3831 | if (ret) { | |
3832 | u32 port_num = be32_to_cpu(smp->attr_mod); | |
3833 | ||
3834 | /* | |
3835 | * If this is a get/set portinfo, we already check the | |
3836 | * M_Key if the MAD is for another port and the M_Key | |
3837 | * is OK on the receiving port. This check is needed | |
3838 | * to increment the error counters when the M_Key | |
3839 | * fails to match on *both* ports. | |
3840 | */ | |
3841 | if (attr_id == IB_SMP_ATTR_PORT_INFO && | |
3842 | (smp->method == IB_MGMT_METHOD_GET || | |
3843 | smp->method == IB_MGMT_METHOD_SET) && | |
3844 | port_num && port_num <= ibdev->phys_port_cnt && | |
3845 | port != port_num) | |
3846 | (void) check_mkey(to_iport(ibdev, port_num), | |
3847 | (struct ib_mad_hdr *)smp, 0, | |
3848 | smp->mkey, smp->route.dr.dr_slid, | |
3849 | smp->route.dr.return_path, | |
3850 | smp->hop_cnt); | |
3851 | ret = IB_MAD_RESULT_FAILURE; | |
3852 | goto bail; | |
3853 | } | |
3854 | ||
3855 | *resp_len = opa_get_smp_header_size(smp); | |
3856 | ||
3857 | switch (smp->method) { | |
3858 | case IB_MGMT_METHOD_GET: | |
3859 | switch (attr_id) { | |
3860 | default: | |
3861 | clear_opa_smp_data(smp); | |
3862 | ret = subn_get_opa_sma(attr_id, smp, am, data, | |
3863 | ibdev, port, resp_len); | |
3864 | goto bail; | |
3865 | case OPA_ATTRIB_ID_AGGREGATE: | |
3866 | ret = subn_get_opa_aggregate(smp, ibdev, port, | |
3867 | resp_len); | |
3868 | goto bail; | |
3869 | } | |
3870 | case IB_MGMT_METHOD_SET: | |
3871 | switch (attr_id) { | |
3872 | default: | |
3873 | ret = subn_set_opa_sma(attr_id, smp, am, data, | |
3874 | ibdev, port, resp_len); | |
3875 | goto bail; | |
3876 | case OPA_ATTRIB_ID_AGGREGATE: | |
3877 | ret = subn_set_opa_aggregate(smp, ibdev, port, | |
3878 | resp_len); | |
3879 | goto bail; | |
3880 | } | |
3881 | case IB_MGMT_METHOD_TRAP: | |
3882 | case IB_MGMT_METHOD_REPORT: | |
3883 | case IB_MGMT_METHOD_REPORT_RESP: | |
3884 | case IB_MGMT_METHOD_GET_RESP: | |
3885 | /* | |
3886 | * The ib_mad module will call us to process responses | |
3887 | * before checking for other consumers. | |
3888 | * Just tell the caller to process it normally. | |
3889 | */ | |
3890 | ret = IB_MAD_RESULT_SUCCESS; | |
3891 | goto bail; | |
3892 | default: | |
3893 | smp->status |= IB_SMP_UNSUP_METHOD; | |
3894 | ret = reply((struct ib_mad_hdr *)smp); | |
3895 | } | |
3896 | ||
3897 | bail: | |
3898 | return ret; | |
3899 | } | |
3900 | ||
3901 | static int process_subn(struct ib_device *ibdev, int mad_flags, | |
3902 | u8 port, const struct ib_mad *in_mad, | |
3903 | struct ib_mad *out_mad) | |
3904 | { | |
3905 | struct ib_smp *smp = (struct ib_smp *)out_mad; | |
3906 | struct hfi1_ibport *ibp = to_iport(ibdev, port); | |
3907 | int ret; | |
3908 | ||
3909 | *out_mad = *in_mad; | |
3910 | if (smp->class_version != 1) { | |
3911 | smp->status |= IB_SMP_UNSUP_VERSION; | |
3912 | ret = reply((struct ib_mad_hdr *)smp); | |
3913 | goto bail; | |
3914 | } | |
3915 | ||
3916 | ret = check_mkey(ibp, (struct ib_mad_hdr *)smp, mad_flags, | |
3917 | smp->mkey, (__force __be32)smp->dr_slid, | |
3918 | smp->return_path, smp->hop_cnt); | |
3919 | if (ret) { | |
3920 | u32 port_num = be32_to_cpu(smp->attr_mod); | |
3921 | ||
3922 | /* | |
3923 | * If this is a get/set portinfo, we already check the | |
3924 | * M_Key if the MAD is for another port and the M_Key | |
3925 | * is OK on the receiving port. This check is needed | |
3926 | * to increment the error counters when the M_Key | |
3927 | * fails to match on *both* ports. | |
3928 | */ | |
3929 | if (in_mad->mad_hdr.attr_id == IB_SMP_ATTR_PORT_INFO && | |
3930 | (smp->method == IB_MGMT_METHOD_GET || | |
3931 | smp->method == IB_MGMT_METHOD_SET) && | |
3932 | port_num && port_num <= ibdev->phys_port_cnt && | |
3933 | port != port_num) | |
3934 | (void) check_mkey(to_iport(ibdev, port_num), | |
3935 | (struct ib_mad_hdr *)smp, 0, | |
3936 | smp->mkey, | |
3937 | (__force __be32)smp->dr_slid, | |
3938 | smp->return_path, smp->hop_cnt); | |
3939 | ret = IB_MAD_RESULT_FAILURE; | |
3940 | goto bail; | |
3941 | } | |
3942 | ||
3943 | switch (smp->method) { | |
3944 | case IB_MGMT_METHOD_GET: | |
3945 | switch (smp->attr_id) { | |
3946 | case IB_SMP_ATTR_NODE_INFO: | |
3947 | ret = subn_get_nodeinfo(smp, ibdev, port); | |
3948 | goto bail; | |
3949 | default: | |
3950 | smp->status |= IB_SMP_UNSUP_METH_ATTR; | |
3951 | ret = reply((struct ib_mad_hdr *)smp); | |
3952 | goto bail; | |
3953 | } | |
3954 | } | |
3955 | ||
3956 | bail: | |
3957 | return ret; | |
3958 | } | |
3959 | ||
3960 | static int process_perf_opa(struct ib_device *ibdev, u8 port, | |
3961 | const struct opa_mad *in_mad, | |
3962 | struct opa_mad *out_mad, u32 *resp_len) | |
3963 | { | |
3964 | struct opa_pma_mad *pmp = (struct opa_pma_mad *)out_mad; | |
3965 | int ret; | |
3966 | ||
3967 | *out_mad = *in_mad; | |
3968 | ||
3969 | if (pmp->mad_hdr.class_version != OPA_SMI_CLASS_VERSION) { | |
3970 | pmp->mad_hdr.status |= IB_SMP_UNSUP_VERSION; | |
3971 | return reply((struct ib_mad_hdr *)pmp); | |
3972 | } | |
3973 | ||
3974 | *resp_len = sizeof(pmp->mad_hdr); | |
3975 | ||
3976 | switch (pmp->mad_hdr.method) { | |
3977 | case IB_MGMT_METHOD_GET: | |
3978 | switch (pmp->mad_hdr.attr_id) { | |
3979 | case IB_PMA_CLASS_PORT_INFO: | |
3980 | ret = pma_get_opa_classportinfo(pmp, ibdev, resp_len); | |
3981 | goto bail; | |
3982 | case OPA_PM_ATTRIB_ID_PORT_STATUS: | |
3983 | ret = pma_get_opa_portstatus(pmp, ibdev, port, | |
3984 | resp_len); | |
3985 | goto bail; | |
3986 | case OPA_PM_ATTRIB_ID_DATA_PORT_COUNTERS: | |
3987 | ret = pma_get_opa_datacounters(pmp, ibdev, port, | |
3988 | resp_len); | |
3989 | goto bail; | |
3990 | case OPA_PM_ATTRIB_ID_ERROR_PORT_COUNTERS: | |
3991 | ret = pma_get_opa_porterrors(pmp, ibdev, port, | |
3992 | resp_len); | |
3993 | goto bail; | |
3994 | case OPA_PM_ATTRIB_ID_ERROR_INFO: | |
3995 | ret = pma_get_opa_errorinfo(pmp, ibdev, port, | |
3996 | resp_len); | |
3997 | goto bail; | |
3998 | default: | |
3999 | pmp->mad_hdr.status |= IB_SMP_UNSUP_METH_ATTR; | |
4000 | ret = reply((struct ib_mad_hdr *)pmp); | |
4001 | goto bail; | |
4002 | } | |
4003 | ||
4004 | case IB_MGMT_METHOD_SET: | |
4005 | switch (pmp->mad_hdr.attr_id) { | |
4006 | case OPA_PM_ATTRIB_ID_CLEAR_PORT_STATUS: | |
4007 | ret = pma_set_opa_portstatus(pmp, ibdev, port, | |
4008 | resp_len); | |
4009 | goto bail; | |
4010 | case OPA_PM_ATTRIB_ID_ERROR_INFO: | |
4011 | ret = pma_set_opa_errorinfo(pmp, ibdev, port, | |
4012 | resp_len); | |
4013 | goto bail; | |
4014 | default: | |
4015 | pmp->mad_hdr.status |= IB_SMP_UNSUP_METH_ATTR; | |
4016 | ret = reply((struct ib_mad_hdr *)pmp); | |
4017 | goto bail; | |
4018 | } | |
4019 | ||
4020 | case IB_MGMT_METHOD_TRAP: | |
4021 | case IB_MGMT_METHOD_GET_RESP: | |
4022 | /* | |
4023 | * The ib_mad module will call us to process responses | |
4024 | * before checking for other consumers. | |
4025 | * Just tell the caller to process it normally. | |
4026 | */ | |
4027 | ret = IB_MAD_RESULT_SUCCESS; | |
4028 | goto bail; | |
4029 | ||
4030 | default: | |
4031 | pmp->mad_hdr.status |= IB_SMP_UNSUP_METHOD; | |
4032 | ret = reply((struct ib_mad_hdr *)pmp); | |
4033 | } | |
4034 | ||
4035 | bail: | |
4036 | return ret; | |
4037 | } | |
4038 | ||
4039 | static int hfi1_process_opa_mad(struct ib_device *ibdev, int mad_flags, | |
a724648e JB |
4040 | u8 port, const struct ib_wc *in_wc, |
4041 | const struct ib_grh *in_grh, | |
4042 | const struct opa_mad *in_mad, | |
4043 | struct opa_mad *out_mad, size_t *out_mad_size, | |
4044 | u16 *out_mad_pkey_index) | |
77241056 MM |
4045 | { |
4046 | int ret; | |
4047 | int pkey_idx; | |
4048 | u32 resp_len = 0; | |
4049 | struct hfi1_ibport *ibp = to_iport(ibdev, port); | |
4050 | ||
4051 | pkey_idx = hfi1_lookup_pkey_idx(ibp, LIM_MGMT_P_KEY); | |
4052 | if (pkey_idx < 0) { | |
4053 | pr_warn("failed to find limited mgmt pkey, defaulting 0x%x\n", | |
4054 | hfi1_get_pkey(ibp, 1)); | |
4055 | pkey_idx = 1; | |
4056 | } | |
4057 | *out_mad_pkey_index = (u16)pkey_idx; | |
4058 | ||
4059 | switch (in_mad->mad_hdr.mgmt_class) { | |
4060 | case IB_MGMT_CLASS_SUBN_DIRECTED_ROUTE: | |
4061 | case IB_MGMT_CLASS_SUBN_LID_ROUTED: | |
4062 | if (is_local_mad(ibp, in_mad, in_wc)) { | |
4063 | ret = opa_local_smp_check(ibp, in_wc); | |
4064 | if (ret) | |
4065 | return IB_MAD_RESULT_FAILURE; | |
4066 | } | |
4067 | ret = process_subn_opa(ibdev, mad_flags, port, in_mad, | |
4068 | out_mad, &resp_len); | |
4069 | goto bail; | |
4070 | case IB_MGMT_CLASS_PERF_MGMT: | |
4071 | ret = process_perf_opa(ibdev, port, in_mad, out_mad, | |
4072 | &resp_len); | |
4073 | goto bail; | |
4074 | ||
4075 | default: | |
4076 | ret = IB_MAD_RESULT_SUCCESS; | |
4077 | } | |
4078 | ||
4079 | bail: | |
4080 | if (ret & IB_MAD_RESULT_REPLY) | |
4081 | *out_mad_size = round_up(resp_len, 8); | |
4082 | else if (ret & IB_MAD_RESULT_SUCCESS) | |
4083 | *out_mad_size = in_wc->byte_len - sizeof(struct ib_grh); | |
4084 | ||
4085 | return ret; | |
4086 | } | |
4087 | ||
4088 | static int hfi1_process_ib_mad(struct ib_device *ibdev, int mad_flags, u8 port, | |
4089 | const struct ib_wc *in_wc, | |
4090 | const struct ib_grh *in_grh, | |
4091 | const struct ib_mad *in_mad, | |
4092 | struct ib_mad *out_mad) | |
4093 | { | |
4094 | int ret; | |
4095 | ||
4096 | switch (in_mad->mad_hdr.mgmt_class) { | |
4097 | case IB_MGMT_CLASS_SUBN_DIRECTED_ROUTE: | |
4098 | case IB_MGMT_CLASS_SUBN_LID_ROUTED: | |
4099 | ret = process_subn(ibdev, mad_flags, port, in_mad, out_mad); | |
4100 | goto bail; | |
4101 | default: | |
4102 | ret = IB_MAD_RESULT_SUCCESS; | |
4103 | } | |
4104 | ||
4105 | bail: | |
4106 | return ret; | |
4107 | } | |
4108 | ||
4109 | /** | |
4110 | * hfi1_process_mad - process an incoming MAD packet | |
4111 | * @ibdev: the infiniband device this packet came in on | |
4112 | * @mad_flags: MAD flags | |
4113 | * @port: the port number this packet came in on | |
4114 | * @in_wc: the work completion entry for this packet | |
4115 | * @in_grh: the global route header for this packet | |
4116 | * @in_mad: the incoming MAD | |
4117 | * @out_mad: any outgoing MAD reply | |
4118 | * | |
4119 | * Returns IB_MAD_RESULT_SUCCESS if this is a MAD that we are not | |
4120 | * interested in processing. | |
4121 | * | |
4122 | * Note that the verbs framework has already done the MAD sanity checks, | |
4123 | * and hop count/pointer updating for IB_MGMT_CLASS_SUBN_DIRECTED_ROUTE | |
4124 | * MADs. | |
4125 | * | |
4126 | * This is called by the ib_mad module. | |
4127 | */ | |
4128 | int hfi1_process_mad(struct ib_device *ibdev, int mad_flags, u8 port, | |
4129 | const struct ib_wc *in_wc, const struct ib_grh *in_grh, | |
4130 | const struct ib_mad_hdr *in_mad, size_t in_mad_size, | |
4131 | struct ib_mad_hdr *out_mad, size_t *out_mad_size, | |
4132 | u16 *out_mad_pkey_index) | |
4133 | { | |
4134 | switch (in_mad->base_version) { | |
4135 | case OPA_MGMT_BASE_VERSION: | |
4136 | if (unlikely(in_mad_size != sizeof(struct opa_mad))) { | |
4137 | dev_err(ibdev->dma_device, "invalid in_mad_size\n"); | |
4138 | return IB_MAD_RESULT_FAILURE; | |
4139 | } | |
4140 | return hfi1_process_opa_mad(ibdev, mad_flags, port, | |
4141 | in_wc, in_grh, | |
4142 | (struct opa_mad *)in_mad, | |
4143 | (struct opa_mad *)out_mad, | |
4144 | out_mad_size, | |
4145 | out_mad_pkey_index); | |
4146 | case IB_MGMT_BASE_VERSION: | |
4147 | return hfi1_process_ib_mad(ibdev, mad_flags, port, | |
4148 | in_wc, in_grh, | |
4149 | (const struct ib_mad *)in_mad, | |
4150 | (struct ib_mad *)out_mad); | |
4151 | default: | |
4152 | break; | |
4153 | } | |
4154 | ||
4155 | return IB_MAD_RESULT_FAILURE; | |
4156 | } | |
4157 | ||
4158 | static void send_handler(struct ib_mad_agent *agent, | |
4159 | struct ib_mad_send_wc *mad_send_wc) | |
4160 | { | |
4161 | ib_free_send_mad(mad_send_wc->send_buf); | |
4162 | } | |
4163 | ||
4164 | int hfi1_create_agents(struct hfi1_ibdev *dev) | |
4165 | { | |
4166 | struct hfi1_devdata *dd = dd_from_dev(dev); | |
4167 | struct ib_mad_agent *agent; | |
4168 | struct hfi1_ibport *ibp; | |
4169 | int p; | |
4170 | int ret; | |
4171 | ||
4172 | for (p = 0; p < dd->num_pports; p++) { | |
4173 | ibp = &dd->pport[p].ibport_data; | |
ec3f2c12 DD |
4174 | agent = ib_register_mad_agent(&dev->rdi.ibdev, p + 1, |
4175 | IB_QPT_SMI, | |
77241056 MM |
4176 | NULL, 0, send_handler, |
4177 | NULL, NULL, 0); | |
4178 | if (IS_ERR(agent)) { | |
4179 | ret = PTR_ERR(agent); | |
4180 | goto err; | |
4181 | } | |
4182 | ||
4183 | ibp->send_agent = agent; | |
4184 | } | |
4185 | ||
4186 | return 0; | |
4187 | ||
4188 | err: | |
4189 | for (p = 0; p < dd->num_pports; p++) { | |
4190 | ibp = &dd->pport[p].ibport_data; | |
4191 | if (ibp->send_agent) { | |
4192 | agent = ibp->send_agent; | |
4193 | ibp->send_agent = NULL; | |
4194 | ib_unregister_mad_agent(agent); | |
4195 | } | |
4196 | } | |
4197 | ||
4198 | return ret; | |
4199 | } | |
4200 | ||
4201 | void hfi1_free_agents(struct hfi1_ibdev *dev) | |
4202 | { | |
4203 | struct hfi1_devdata *dd = dd_from_dev(dev); | |
4204 | struct ib_mad_agent *agent; | |
4205 | struct hfi1_ibport *ibp; | |
4206 | int p; | |
4207 | ||
4208 | for (p = 0; p < dd->num_pports; p++) { | |
4209 | ibp = &dd->pport[p].ibport_data; | |
4210 | if (ibp->send_agent) { | |
4211 | agent = ibp->send_agent; | |
4212 | ibp->send_agent = NULL; | |
4213 | ib_unregister_mad_agent(agent); | |
4214 | } | |
4215 | if (ibp->sm_ah) { | |
4216 | ib_destroy_ah(&ibp->sm_ah->ibah); | |
4217 | ibp->sm_ah = NULL; | |
4218 | } | |
4219 | } | |
4220 | } |