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77241056 | 1 | /* |
05d6ac1d | 2 | * Copyright(c) 2015, 2016 Intel Corporation. |
77241056 MM |
3 | * |
4 | * This file is provided under a dual BSD/GPLv2 license. When using or | |
5 | * redistributing this file, you may do so under either license. | |
6 | * | |
7 | * GPL LICENSE SUMMARY | |
8 | * | |
77241056 MM |
9 | * This program is free software; you can redistribute it and/or modify |
10 | * it under the terms of version 2 of the GNU General Public License as | |
11 | * published by the Free Software Foundation. | |
12 | * | |
13 | * This program is distributed in the hope that it will be useful, but | |
14 | * WITHOUT ANY WARRANTY; without even the implied warranty of | |
15 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU | |
16 | * General Public License for more details. | |
17 | * | |
18 | * BSD LICENSE | |
19 | * | |
77241056 MM |
20 | * Redistribution and use in source and binary forms, with or without |
21 | * modification, are permitted provided that the following conditions | |
22 | * are met: | |
23 | * | |
24 | * - Redistributions of source code must retain the above copyright | |
25 | * notice, this list of conditions and the following disclaimer. | |
26 | * - Redistributions in binary form must reproduce the above copyright | |
27 | * notice, this list of conditions and the following disclaimer in | |
28 | * the documentation and/or other materials provided with the | |
29 | * distribution. | |
30 | * - Neither the name of Intel Corporation nor the names of its | |
31 | * contributors may be used to endorse or promote products derived | |
32 | * from this software without specific prior written permission. | |
33 | * | |
34 | * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS | |
35 | * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT | |
36 | * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR | |
37 | * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT | |
38 | * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, | |
39 | * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT | |
40 | * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, | |
41 | * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY | |
42 | * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT | |
43 | * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE | |
44 | * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. | |
45 | * | |
46 | */ | |
47 | ||
48 | #include <linux/net.h> | |
49 | #define OPA_NUM_PKEY_BLOCKS_PER_SMP (OPA_SMP_DR_DATA_SIZE \ | |
50 | / (OPA_PARTITION_TABLE_BLK_SIZE * sizeof(u16))) | |
51 | ||
52 | #include "hfi.h" | |
53 | #include "mad.h" | |
54 | #include "trace.h" | |
0ec79e87 | 55 | #include "qp.h" |
77241056 MM |
56 | |
57 | /* the reset value from the FM is supposed to be 0xffff, handle both */ | |
58 | #define OPA_LINK_WIDTH_RESET_OLD 0x0fff | |
59 | #define OPA_LINK_WIDTH_RESET 0xffff | |
60 | ||
61 | static int reply(struct ib_mad_hdr *smp) | |
62 | { | |
63 | /* | |
64 | * The verbs framework will handle the directed/LID route | |
65 | * packet changes. | |
66 | */ | |
67 | smp->method = IB_MGMT_METHOD_GET_RESP; | |
68 | if (smp->mgmt_class == IB_MGMT_CLASS_SUBN_DIRECTED_ROUTE) | |
69 | smp->status |= IB_SMP_DIRECTION; | |
70 | return IB_MAD_RESULT_SUCCESS | IB_MAD_RESULT_REPLY; | |
71 | } | |
72 | ||
73 | static inline void clear_opa_smp_data(struct opa_smp *smp) | |
74 | { | |
75 | void *data = opa_get_smp_data(smp); | |
76 | size_t size = opa_get_smp_data_size(smp); | |
77 | ||
78 | memset(data, 0, size); | |
79 | } | |
80 | ||
34d351f8 SS |
81 | void hfi1_event_pkey_change(struct hfi1_devdata *dd, u8 port) |
82 | { | |
83 | struct ib_event event; | |
84 | ||
85 | event.event = IB_EVENT_PKEY_CHANGE; | |
86 | event.device = &dd->verbs_dev.rdi.ibdev; | |
87 | event.element.port_num = port; | |
88 | ib_dispatch_event(&event); | |
89 | } | |
90 | ||
77241056 MM |
91 | static void send_trap(struct hfi1_ibport *ibp, void *data, unsigned len) |
92 | { | |
93 | struct ib_mad_send_buf *send_buf; | |
94 | struct ib_mad_agent *agent; | |
5cd24119 | 95 | struct opa_smp *smp; |
77241056 MM |
96 | int ret; |
97 | unsigned long flags; | |
98 | unsigned long timeout; | |
99 | int pkey_idx; | |
100 | u32 qpn = ppd_from_ibp(ibp)->sm_trap_qp; | |
101 | ||
4eb06882 | 102 | agent = ibp->rvp.send_agent; |
77241056 MM |
103 | if (!agent) |
104 | return; | |
105 | ||
106 | /* o14-3.2.1 */ | |
107 | if (ppd_from_ibp(ibp)->lstate != IB_PORT_ACTIVE) | |
108 | return; | |
109 | ||
110 | /* o14-2 */ | |
4eb06882 DD |
111 | if (ibp->rvp.trap_timeout && time_before(jiffies, |
112 | ibp->rvp.trap_timeout)) | |
77241056 MM |
113 | return; |
114 | ||
115 | pkey_idx = hfi1_lookup_pkey_idx(ibp, LIM_MGMT_P_KEY); | |
116 | if (pkey_idx < 0) { | |
117 | pr_warn("%s: failed to find limited mgmt pkey, defaulting 0x%x\n", | |
118 | __func__, hfi1_get_pkey(ibp, 1)); | |
119 | pkey_idx = 1; | |
120 | } | |
121 | ||
122 | send_buf = ib_create_send_mad(agent, qpn, pkey_idx, 0, | |
123 | IB_MGMT_MAD_HDR, IB_MGMT_MAD_DATA, | |
124 | GFP_ATOMIC, IB_MGMT_BASE_VERSION); | |
125 | if (IS_ERR(send_buf)) | |
126 | return; | |
127 | ||
128 | smp = send_buf->mad; | |
5cd24119 | 129 | smp->base_version = OPA_MGMT_BASE_VERSION; |
77241056 | 130 | smp->mgmt_class = IB_MGMT_CLASS_SUBN_LID_ROUTED; |
5cd24119 | 131 | smp->class_version = OPA_SMI_CLASS_VERSION; |
77241056 | 132 | smp->method = IB_MGMT_METHOD_TRAP; |
4eb06882 DD |
133 | ibp->rvp.tid++; |
134 | smp->tid = cpu_to_be64(ibp->rvp.tid); | |
77241056 MM |
135 | smp->attr_id = IB_SMP_ATTR_NOTICE; |
136 | /* o14-1: smp->mkey = 0; */ | |
5cd24119 | 137 | memcpy(smp->route.lid.data, data, len); |
77241056 | 138 | |
4eb06882 | 139 | spin_lock_irqsave(&ibp->rvp.lock, flags); |
9c4a311e | 140 | if (!ibp->rvp.sm_ah) { |
4eb06882 | 141 | if (ibp->rvp.sm_lid != be16_to_cpu(IB_LID_PERMISSIVE)) { |
77241056 MM |
142 | struct ib_ah *ah; |
143 | ||
4eb06882 | 144 | ah = hfi1_create_qp0_ah(ibp, ibp->rvp.sm_lid); |
e490974e | 145 | if (IS_ERR(ah)) { |
77241056 | 146 | ret = PTR_ERR(ah); |
e490974e | 147 | } else { |
77241056 | 148 | send_buf->ah = ah; |
9c4a311e | 149 | ibp->rvp.sm_ah = ibah_to_rvtah(ah); |
77241056 MM |
150 | ret = 0; |
151 | } | |
e490974e | 152 | } else { |
77241056 | 153 | ret = -EINVAL; |
e490974e | 154 | } |
77241056 | 155 | } else { |
9c4a311e | 156 | send_buf->ah = &ibp->rvp.sm_ah->ibah; |
77241056 MM |
157 | ret = 0; |
158 | } | |
4eb06882 | 159 | spin_unlock_irqrestore(&ibp->rvp.lock, flags); |
77241056 MM |
160 | |
161 | if (!ret) | |
162 | ret = ib_post_send_mad(send_buf, NULL); | |
163 | if (!ret) { | |
164 | /* 4.096 usec. */ | |
4eb06882 DD |
165 | timeout = (4096 * (1UL << ibp->rvp.subnet_timeout)) / 1000; |
166 | ibp->rvp.trap_timeout = jiffies + usecs_to_jiffies(timeout); | |
77241056 MM |
167 | } else { |
168 | ib_free_send_mad(send_buf); | |
4eb06882 | 169 | ibp->rvp.trap_timeout = 0; |
77241056 MM |
170 | } |
171 | } | |
172 | ||
173 | /* | |
174 | * Send a bad [PQ]_Key trap (ch. 14.3.8). | |
175 | */ | |
176 | void hfi1_bad_pqkey(struct hfi1_ibport *ibp, __be16 trap_num, u32 key, u32 sl, | |
5cd24119 | 177 | u32 qp1, u32 qp2, u16 lid1, u16 lid2) |
77241056 | 178 | { |
5cd24119 EK |
179 | struct opa_mad_notice_attr data; |
180 | u32 lid = ppd_from_ibp(ibp)->lid; | |
181 | u32 _lid1 = lid1; | |
182 | u32 _lid2 = lid2; | |
77241056 | 183 | |
5cd24119 EK |
184 | memset(&data, 0, sizeof(data)); |
185 | ||
186 | if (trap_num == OPA_TRAP_BAD_P_KEY) | |
4eb06882 | 187 | ibp->rvp.pkey_violations++; |
77241056 | 188 | else |
4eb06882 DD |
189 | ibp->rvp.qkey_violations++; |
190 | ibp->rvp.n_pkt_drops++; | |
77241056 MM |
191 | |
192 | /* Send violation trap */ | |
193 | data.generic_type = IB_NOTICE_TYPE_SECURITY; | |
77241056 MM |
194 | data.prod_type_lsb = IB_NOTICE_PROD_CA; |
195 | data.trap_num = trap_num; | |
5cd24119 EK |
196 | data.issuer_lid = cpu_to_be32(lid); |
197 | data.ntc_257_258.lid1 = cpu_to_be32(_lid1); | |
198 | data.ntc_257_258.lid2 = cpu_to_be32(_lid2); | |
199 | data.ntc_257_258.key = cpu_to_be32(key); | |
200 | data.ntc_257_258.sl = sl << 3; | |
201 | data.ntc_257_258.qp1 = cpu_to_be32(qp1); | |
202 | data.ntc_257_258.qp2 = cpu_to_be32(qp2); | |
77241056 MM |
203 | |
204 | send_trap(ibp, &data, sizeof(data)); | |
205 | } | |
206 | ||
207 | /* | |
208 | * Send a bad M_Key trap (ch. 14.3.9). | |
209 | */ | |
210 | static void bad_mkey(struct hfi1_ibport *ibp, struct ib_mad_hdr *mad, | |
211 | __be64 mkey, __be32 dr_slid, u8 return_path[], u8 hop_cnt) | |
212 | { | |
5cd24119 EK |
213 | struct opa_mad_notice_attr data; |
214 | u32 lid = ppd_from_ibp(ibp)->lid; | |
77241056 | 215 | |
5cd24119 | 216 | memset(&data, 0, sizeof(data)); |
77241056 MM |
217 | /* Send violation trap */ |
218 | data.generic_type = IB_NOTICE_TYPE_SECURITY; | |
77241056 | 219 | data.prod_type_lsb = IB_NOTICE_PROD_CA; |
5cd24119 EK |
220 | data.trap_num = OPA_TRAP_BAD_M_KEY; |
221 | data.issuer_lid = cpu_to_be32(lid); | |
222 | data.ntc_256.lid = data.issuer_lid; | |
223 | data.ntc_256.method = mad->method; | |
224 | data.ntc_256.attr_id = mad->attr_id; | |
225 | data.ntc_256.attr_mod = mad->attr_mod; | |
226 | data.ntc_256.mkey = mkey; | |
77241056 | 227 | if (mad->mgmt_class == IB_MGMT_CLASS_SUBN_DIRECTED_ROUTE) { |
5cd24119 EK |
228 | data.ntc_256.dr_slid = dr_slid; |
229 | data.ntc_256.dr_trunc_hop = IB_NOTICE_TRAP_DR_NOTICE; | |
230 | if (hop_cnt > ARRAY_SIZE(data.ntc_256.dr_rtn_path)) { | |
231 | data.ntc_256.dr_trunc_hop |= | |
77241056 | 232 | IB_NOTICE_TRAP_DR_TRUNC; |
5cd24119 | 233 | hop_cnt = ARRAY_SIZE(data.ntc_256.dr_rtn_path); |
77241056 | 234 | } |
5cd24119 EK |
235 | data.ntc_256.dr_trunc_hop |= hop_cnt; |
236 | memcpy(data.ntc_256.dr_rtn_path, return_path, | |
77241056 MM |
237 | hop_cnt); |
238 | } | |
239 | ||
240 | send_trap(ibp, &data, sizeof(data)); | |
241 | } | |
242 | ||
243 | /* | |
244 | * Send a Port Capability Mask Changed trap (ch. 14.3.11). | |
245 | */ | |
45b59eef | 246 | void hfi1_cap_mask_chg(struct rvt_dev_info *rdi, u8 port_num) |
77241056 | 247 | { |
5cd24119 | 248 | struct opa_mad_notice_attr data; |
45b59eef HC |
249 | struct hfi1_ibdev *verbs_dev = dev_from_rdi(rdi); |
250 | struct hfi1_devdata *dd = dd_from_dev(verbs_dev); | |
251 | struct hfi1_ibport *ibp = &dd->pport[port_num - 1].ibport_data; | |
5cd24119 EK |
252 | u32 lid = ppd_from_ibp(ibp)->lid; |
253 | ||
254 | memset(&data, 0, sizeof(data)); | |
77241056 MM |
255 | |
256 | data.generic_type = IB_NOTICE_TYPE_INFO; | |
77241056 | 257 | data.prod_type_lsb = IB_NOTICE_PROD_CA; |
5cd24119 EK |
258 | data.trap_num = OPA_TRAP_CHANGE_CAPABILITY; |
259 | data.issuer_lid = cpu_to_be32(lid); | |
260 | data.ntc_144.lid = data.issuer_lid; | |
4eb06882 | 261 | data.ntc_144.new_cap_mask = cpu_to_be32(ibp->rvp.port_cap_flags); |
77241056 MM |
262 | |
263 | send_trap(ibp, &data, sizeof(data)); | |
264 | } | |
265 | ||
266 | /* | |
267 | * Send a System Image GUID Changed trap (ch. 14.3.12). | |
268 | */ | |
269 | void hfi1_sys_guid_chg(struct hfi1_ibport *ibp) | |
270 | { | |
5cd24119 EK |
271 | struct opa_mad_notice_attr data; |
272 | u32 lid = ppd_from_ibp(ibp)->lid; | |
273 | ||
274 | memset(&data, 0, sizeof(data)); | |
77241056 MM |
275 | |
276 | data.generic_type = IB_NOTICE_TYPE_INFO; | |
77241056 | 277 | data.prod_type_lsb = IB_NOTICE_PROD_CA; |
5cd24119 EK |
278 | data.trap_num = OPA_TRAP_CHANGE_SYSGUID; |
279 | data.issuer_lid = cpu_to_be32(lid); | |
280 | data.ntc_145.new_sys_guid = ib_hfi1_sys_image_guid; | |
281 | data.ntc_145.lid = data.issuer_lid; | |
77241056 MM |
282 | |
283 | send_trap(ibp, &data, sizeof(data)); | |
284 | } | |
285 | ||
286 | /* | |
287 | * Send a Node Description Changed trap (ch. 14.3.13). | |
288 | */ | |
289 | void hfi1_node_desc_chg(struct hfi1_ibport *ibp) | |
290 | { | |
5cd24119 EK |
291 | struct opa_mad_notice_attr data; |
292 | u32 lid = ppd_from_ibp(ibp)->lid; | |
293 | ||
294 | memset(&data, 0, sizeof(data)); | |
77241056 MM |
295 | |
296 | data.generic_type = IB_NOTICE_TYPE_INFO; | |
77241056 | 297 | data.prod_type_lsb = IB_NOTICE_PROD_CA; |
5cd24119 EK |
298 | data.trap_num = OPA_TRAP_CHANGE_CAPABILITY; |
299 | data.issuer_lid = cpu_to_be32(lid); | |
300 | data.ntc_144.lid = data.issuer_lid; | |
301 | data.ntc_144.change_flags = | |
302 | cpu_to_be16(OPA_NOTICE_TRAP_NODE_DESC_CHG); | |
77241056 MM |
303 | |
304 | send_trap(ibp, &data, sizeof(data)); | |
305 | } | |
306 | ||
307 | static int __subn_get_opa_nodedesc(struct opa_smp *smp, u32 am, | |
308 | u8 *data, struct ib_device *ibdev, | |
309 | u8 port, u32 *resp_len) | |
310 | { | |
311 | struct opa_node_description *nd; | |
312 | ||
313 | if (am) { | |
314 | smp->status |= IB_SMP_INVALID_FIELD; | |
315 | return reply((struct ib_mad_hdr *)smp); | |
316 | } | |
317 | ||
318 | nd = (struct opa_node_description *)data; | |
319 | ||
320 | memcpy(nd->data, ibdev->node_desc, sizeof(nd->data)); | |
321 | ||
322 | if (resp_len) | |
323 | *resp_len += sizeof(*nd); | |
324 | ||
325 | return reply((struct ib_mad_hdr *)smp); | |
326 | } | |
327 | ||
328 | static int __subn_get_opa_nodeinfo(struct opa_smp *smp, u32 am, u8 *data, | |
329 | struct ib_device *ibdev, u8 port, | |
330 | u32 *resp_len) | |
331 | { | |
332 | struct opa_node_info *ni; | |
333 | struct hfi1_devdata *dd = dd_from_ibdev(ibdev); | |
334 | unsigned pidx = port - 1; /* IB number port from 1, hw from 0 */ | |
335 | ||
336 | ni = (struct opa_node_info *)data; | |
337 | ||
338 | /* GUID 0 is illegal */ | |
339 | if (am || pidx >= dd->num_pports || dd->pport[pidx].guid == 0) { | |
340 | smp->status |= IB_SMP_INVALID_FIELD; | |
341 | return reply((struct ib_mad_hdr *)smp); | |
342 | } | |
343 | ||
344 | ni->port_guid = cpu_to_be64(dd->pport[pidx].guid); | |
345 | ni->base_version = OPA_MGMT_BASE_VERSION; | |
346 | ni->class_version = OPA_SMI_CLASS_VERSION; | |
347 | ni->node_type = 1; /* channel adapter */ | |
348 | ni->num_ports = ibdev->phys_port_cnt; | |
349 | /* This is already in network order */ | |
350 | ni->system_image_guid = ib_hfi1_sys_image_guid; | |
351 | /* Use first-port GUID as node */ | |
352 | ni->node_guid = cpu_to_be64(dd->pport->guid); | |
353 | ni->partition_cap = cpu_to_be16(hfi1_get_npkeys(dd)); | |
354 | ni->device_id = cpu_to_be16(dd->pcidev->device); | |
355 | ni->revision = cpu_to_be32(dd->minrev); | |
356 | ni->local_port_num = port; | |
357 | ni->vendor_id[0] = dd->oui1; | |
358 | ni->vendor_id[1] = dd->oui2; | |
359 | ni->vendor_id[2] = dd->oui3; | |
360 | ||
361 | if (resp_len) | |
362 | *resp_len += sizeof(*ni); | |
363 | ||
364 | return reply((struct ib_mad_hdr *)smp); | |
365 | } | |
366 | ||
367 | static int subn_get_nodeinfo(struct ib_smp *smp, struct ib_device *ibdev, | |
368 | u8 port) | |
369 | { | |
370 | struct ib_node_info *nip = (struct ib_node_info *)&smp->data; | |
371 | struct hfi1_devdata *dd = dd_from_ibdev(ibdev); | |
372 | unsigned pidx = port - 1; /* IB number port from 1, hw from 0 */ | |
373 | ||
374 | /* GUID 0 is illegal */ | |
375 | if (smp->attr_mod || pidx >= dd->num_pports || | |
376 | dd->pport[pidx].guid == 0) | |
377 | smp->status |= IB_SMP_INVALID_FIELD; | |
378 | else | |
379 | nip->port_guid = cpu_to_be64(dd->pport[pidx].guid); | |
380 | ||
381 | nip->base_version = OPA_MGMT_BASE_VERSION; | |
382 | nip->class_version = OPA_SMI_CLASS_VERSION; | |
383 | nip->node_type = 1; /* channel adapter */ | |
384 | nip->num_ports = ibdev->phys_port_cnt; | |
385 | /* This is already in network order */ | |
386 | nip->sys_guid = ib_hfi1_sys_image_guid; | |
387 | /* Use first-port GUID as node */ | |
388 | nip->node_guid = cpu_to_be64(dd->pport->guid); | |
389 | nip->partition_cap = cpu_to_be16(hfi1_get_npkeys(dd)); | |
390 | nip->device_id = cpu_to_be16(dd->pcidev->device); | |
391 | nip->revision = cpu_to_be32(dd->minrev); | |
392 | nip->local_port_num = port; | |
393 | nip->vendor_id[0] = dd->oui1; | |
394 | nip->vendor_id[1] = dd->oui2; | |
395 | nip->vendor_id[2] = dd->oui3; | |
396 | ||
397 | return reply((struct ib_mad_hdr *)smp); | |
398 | } | |
399 | ||
400 | static void set_link_width_enabled(struct hfi1_pportdata *ppd, u32 w) | |
401 | { | |
402 | (void)hfi1_set_ib_cfg(ppd, HFI1_IB_CFG_LWID_ENB, w); | |
403 | } | |
404 | ||
405 | static void set_link_width_downgrade_enabled(struct hfi1_pportdata *ppd, u32 w) | |
406 | { | |
407 | (void)hfi1_set_ib_cfg(ppd, HFI1_IB_CFG_LWID_DG_ENB, w); | |
408 | } | |
409 | ||
410 | static void set_link_speed_enabled(struct hfi1_pportdata *ppd, u32 s) | |
411 | { | |
412 | (void)hfi1_set_ib_cfg(ppd, HFI1_IB_CFG_SPD_ENB, s); | |
413 | } | |
414 | ||
415 | static int check_mkey(struct hfi1_ibport *ibp, struct ib_mad_hdr *mad, | |
416 | int mad_flags, __be64 mkey, __be32 dr_slid, | |
417 | u8 return_path[], u8 hop_cnt) | |
418 | { | |
419 | int valid_mkey = 0; | |
420 | int ret = 0; | |
421 | ||
422 | /* Is the mkey in the process of expiring? */ | |
4eb06882 DD |
423 | if (ibp->rvp.mkey_lease_timeout && |
424 | time_after_eq(jiffies, ibp->rvp.mkey_lease_timeout)) { | |
77241056 | 425 | /* Clear timeout and mkey protection field. */ |
4eb06882 DD |
426 | ibp->rvp.mkey_lease_timeout = 0; |
427 | ibp->rvp.mkeyprot = 0; | |
77241056 MM |
428 | } |
429 | ||
4eb06882 DD |
430 | if ((mad_flags & IB_MAD_IGNORE_MKEY) || ibp->rvp.mkey == 0 || |
431 | ibp->rvp.mkey == mkey) | |
77241056 MM |
432 | valid_mkey = 1; |
433 | ||
434 | /* Unset lease timeout on any valid Get/Set/TrapRepress */ | |
4eb06882 | 435 | if (valid_mkey && ibp->rvp.mkey_lease_timeout && |
77241056 MM |
436 | (mad->method == IB_MGMT_METHOD_GET || |
437 | mad->method == IB_MGMT_METHOD_SET || | |
438 | mad->method == IB_MGMT_METHOD_TRAP_REPRESS)) | |
4eb06882 | 439 | ibp->rvp.mkey_lease_timeout = 0; |
77241056 MM |
440 | |
441 | if (!valid_mkey) { | |
442 | switch (mad->method) { | |
443 | case IB_MGMT_METHOD_GET: | |
444 | /* Bad mkey not a violation below level 2 */ | |
4eb06882 | 445 | if (ibp->rvp.mkeyprot < 2) |
77241056 MM |
446 | break; |
447 | case IB_MGMT_METHOD_SET: | |
448 | case IB_MGMT_METHOD_TRAP_REPRESS: | |
4eb06882 DD |
449 | if (ibp->rvp.mkey_violations != 0xFFFF) |
450 | ++ibp->rvp.mkey_violations; | |
451 | if (!ibp->rvp.mkey_lease_timeout && | |
452 | ibp->rvp.mkey_lease_period) | |
453 | ibp->rvp.mkey_lease_timeout = jiffies + | |
454 | ibp->rvp.mkey_lease_period * HZ; | |
77241056 MM |
455 | /* Generate a trap notice. */ |
456 | bad_mkey(ibp, mad, mkey, dr_slid, return_path, | |
457 | hop_cnt); | |
458 | ret = 1; | |
459 | } | |
460 | } | |
461 | ||
462 | return ret; | |
463 | } | |
464 | ||
465 | /* | |
466 | * The SMA caches reads from LCB registers in case the LCB is unavailable. | |
467 | * (The LCB is unavailable in certain link states, for example.) | |
468 | */ | |
469 | struct lcb_datum { | |
470 | u32 off; | |
471 | u64 val; | |
472 | }; | |
473 | ||
474 | static struct lcb_datum lcb_cache[] = { | |
475 | { DC_LCB_STS_ROUND_TRIP_LTP_CNT, 0 }, | |
476 | }; | |
477 | ||
478 | static int write_lcb_cache(u32 off, u64 val) | |
479 | { | |
480 | int i; | |
481 | ||
482 | for (i = 0; i < ARRAY_SIZE(lcb_cache); i++) { | |
483 | if (lcb_cache[i].off == off) { | |
484 | lcb_cache[i].val = val; | |
485 | return 0; | |
486 | } | |
487 | } | |
488 | ||
489 | pr_warn("%s bad offset 0x%x\n", __func__, off); | |
490 | return -1; | |
491 | } | |
492 | ||
493 | static int read_lcb_cache(u32 off, u64 *val) | |
494 | { | |
495 | int i; | |
496 | ||
497 | for (i = 0; i < ARRAY_SIZE(lcb_cache); i++) { | |
498 | if (lcb_cache[i].off == off) { | |
499 | *val = lcb_cache[i].val; | |
500 | return 0; | |
501 | } | |
502 | } | |
503 | ||
504 | pr_warn("%s bad offset 0x%x\n", __func__, off); | |
505 | return -1; | |
506 | } | |
507 | ||
508 | void read_ltp_rtt(struct hfi1_devdata *dd) | |
509 | { | |
510 | u64 reg; | |
511 | ||
512 | if (read_lcb_csr(dd, DC_LCB_STS_ROUND_TRIP_LTP_CNT, ®)) | |
513 | dd_dev_err(dd, "%s: unable to read LTP RTT\n", __func__); | |
514 | else | |
515 | write_lcb_cache(DC_LCB_STS_ROUND_TRIP_LTP_CNT, reg); | |
516 | } | |
517 | ||
77241056 MM |
518 | static int __subn_get_opa_portinfo(struct opa_smp *smp, u32 am, u8 *data, |
519 | struct ib_device *ibdev, u8 port, | |
520 | u32 *resp_len) | |
521 | { | |
522 | int i; | |
523 | struct hfi1_devdata *dd; | |
524 | struct hfi1_pportdata *ppd; | |
525 | struct hfi1_ibport *ibp; | |
526 | struct opa_port_info *pi = (struct opa_port_info *)data; | |
527 | u8 mtu; | |
528 | u8 credit_rate; | |
409b1462 | 529 | u8 is_beaconing_active; |
77241056 MM |
530 | u32 state; |
531 | u32 num_ports = OPA_AM_NPORT(am); | |
532 | u32 start_of_sm_config = OPA_AM_START_SM_CFG(am); | |
533 | u32 buffer_units; | |
534 | u64 tmp = 0; | |
535 | ||
536 | if (num_ports != 1) { | |
537 | smp->status |= IB_SMP_INVALID_FIELD; | |
538 | return reply((struct ib_mad_hdr *)smp); | |
539 | } | |
540 | ||
541 | dd = dd_from_ibdev(ibdev); | |
542 | /* IB numbers ports from 1, hw from 0 */ | |
543 | ppd = dd->pport + (port - 1); | |
544 | ibp = &ppd->ibport_data; | |
545 | ||
8638b77f | 546 | if (ppd->vls_supported / 2 > ARRAY_SIZE(pi->neigh_mtu.pvlx_to_mtu) || |
17fb4f29 | 547 | ppd->vls_supported > ARRAY_SIZE(dd->vld)) { |
77241056 MM |
548 | smp->status |= IB_SMP_INVALID_FIELD; |
549 | return reply((struct ib_mad_hdr *)smp); | |
550 | } | |
551 | ||
552 | pi->lid = cpu_to_be32(ppd->lid); | |
553 | ||
554 | /* Only return the mkey if the protection field allows it. */ | |
555 | if (!(smp->method == IB_MGMT_METHOD_GET && | |
4eb06882 DD |
556 | ibp->rvp.mkey != smp->mkey && |
557 | ibp->rvp.mkeyprot == 1)) | |
558 | pi->mkey = ibp->rvp.mkey; | |
559 | ||
560 | pi->subnet_prefix = ibp->rvp.gid_prefix; | |
561 | pi->sm_lid = cpu_to_be32(ibp->rvp.sm_lid); | |
562 | pi->ib_cap_mask = cpu_to_be32(ibp->rvp.port_cap_flags); | |
563 | pi->mkey_lease_period = cpu_to_be16(ibp->rvp.mkey_lease_period); | |
77241056 MM |
564 | pi->sm_trap_qp = cpu_to_be32(ppd->sm_trap_qp); |
565 | pi->sa_qp = cpu_to_be32(ppd->sa_qp); | |
566 | ||
567 | pi->link_width.enabled = cpu_to_be16(ppd->link_width_enabled); | |
568 | pi->link_width.supported = cpu_to_be16(ppd->link_width_supported); | |
569 | pi->link_width.active = cpu_to_be16(ppd->link_width_active); | |
570 | ||
571 | pi->link_width_downgrade.supported = | |
572 | cpu_to_be16(ppd->link_width_downgrade_supported); | |
573 | pi->link_width_downgrade.enabled = | |
574 | cpu_to_be16(ppd->link_width_downgrade_enabled); | |
575 | pi->link_width_downgrade.tx_active = | |
576 | cpu_to_be16(ppd->link_width_downgrade_tx_active); | |
577 | pi->link_width_downgrade.rx_active = | |
578 | cpu_to_be16(ppd->link_width_downgrade_rx_active); | |
579 | ||
580 | pi->link_speed.supported = cpu_to_be16(ppd->link_speed_supported); | |
581 | pi->link_speed.active = cpu_to_be16(ppd->link_speed_active); | |
582 | pi->link_speed.enabled = cpu_to_be16(ppd->link_speed_enabled); | |
583 | ||
584 | state = driver_lstate(ppd); | |
585 | ||
586 | if (start_of_sm_config && (state == IB_PORT_INIT)) | |
587 | ppd->is_sm_config_started = 1; | |
588 | ||
1d01cf33 | 589 | pi->port_phys_conf = (ppd->port_type & 0xf); |
77241056 | 590 | |
77241056 MM |
591 | pi->port_states.ledenable_offlinereason = ppd->neighbor_normal << 4; |
592 | pi->port_states.ledenable_offlinereason |= | |
593 | ppd->is_sm_config_started << 5; | |
409b1462 | 594 | /* |
2243472e EH |
595 | * This pairs with the memory barrier in hfi1_start_led_override to |
596 | * ensure that we read the correct state of LED beaconing represented | |
597 | * by led_override_timer_active | |
409b1462 | 598 | */ |
2243472e | 599 | smp_rmb(); |
409b1462 EH |
600 | is_beaconing_active = !!atomic_read(&ppd->led_override_timer_active); |
601 | pi->port_states.ledenable_offlinereason |= is_beaconing_active << 6; | |
77241056 | 602 | pi->port_states.ledenable_offlinereason |= |
a9c05e35 | 603 | ppd->offline_disabled_reason; |
77241056 MM |
604 | |
605 | pi->port_states.portphysstate_portstate = | |
606 | (hfi1_ibphys_portstate(ppd) << 4) | state; | |
607 | ||
4eb06882 | 608 | pi->mkeyprotect_lmc = (ibp->rvp.mkeyprot << 6) | ppd->lmc; |
77241056 MM |
609 | |
610 | memset(pi->neigh_mtu.pvlx_to_mtu, 0, sizeof(pi->neigh_mtu.pvlx_to_mtu)); | |
611 | for (i = 0; i < ppd->vls_supported; i++) { | |
612 | mtu = mtu_to_enum(dd->vld[i].mtu, HFI1_DEFAULT_ACTIVE_MTU); | |
613 | if ((i % 2) == 0) | |
8638b77f | 614 | pi->neigh_mtu.pvlx_to_mtu[i / 2] |= (mtu << 4); |
77241056 | 615 | else |
8638b77f | 616 | pi->neigh_mtu.pvlx_to_mtu[i / 2] |= mtu; |
77241056 MM |
617 | } |
618 | /* don't forget VL 15 */ | |
619 | mtu = mtu_to_enum(dd->vld[15].mtu, 2048); | |
8638b77f | 620 | pi->neigh_mtu.pvlx_to_mtu[15 / 2] |= mtu; |
4eb06882 | 621 | pi->smsl = ibp->rvp.sm_sl & OPA_PI_MASK_SMSL; |
77241056 MM |
622 | pi->operational_vls = hfi1_get_ib_cfg(ppd, HFI1_IB_CFG_OP_VLS); |
623 | pi->partenforce_filterraw |= | |
624 | (ppd->linkinit_reason & OPA_PI_MASK_LINKINIT_REASON); | |
625 | if (ppd->part_enforce & HFI1_PART_ENFORCE_IN) | |
626 | pi->partenforce_filterraw |= OPA_PI_MASK_PARTITION_ENFORCE_IN; | |
627 | if (ppd->part_enforce & HFI1_PART_ENFORCE_OUT) | |
628 | pi->partenforce_filterraw |= OPA_PI_MASK_PARTITION_ENFORCE_OUT; | |
4eb06882 | 629 | pi->mkey_violations = cpu_to_be16(ibp->rvp.mkey_violations); |
77241056 | 630 | /* P_KeyViolations are counted by hardware. */ |
4eb06882 DD |
631 | pi->pkey_violations = cpu_to_be16(ibp->rvp.pkey_violations); |
632 | pi->qkey_violations = cpu_to_be16(ibp->rvp.qkey_violations); | |
77241056 MM |
633 | |
634 | pi->vl.cap = ppd->vls_supported; | |
4eb06882 | 635 | pi->vl.high_limit = cpu_to_be16(ibp->rvp.vl_high_limit); |
77241056 MM |
636 | pi->vl.arb_high_cap = (u8)hfi1_get_ib_cfg(ppd, HFI1_IB_CFG_VL_HIGH_CAP); |
637 | pi->vl.arb_low_cap = (u8)hfi1_get_ib_cfg(ppd, HFI1_IB_CFG_VL_LOW_CAP); | |
638 | ||
4eb06882 | 639 | pi->clientrereg_subnettimeout = ibp->rvp.subnet_timeout; |
77241056 MM |
640 | |
641 | pi->port_link_mode = cpu_to_be16(OPA_PORT_LINK_MODE_OPA << 10 | | |
642 | OPA_PORT_LINK_MODE_OPA << 5 | | |
643 | OPA_PORT_LINK_MODE_OPA); | |
644 | ||
645 | pi->port_ltp_crc_mode = cpu_to_be16(ppd->port_ltp_crc_mode); | |
646 | ||
647 | pi->port_mode = cpu_to_be16( | |
648 | ppd->is_active_optimize_enabled ? | |
649 | OPA_PI_MASK_PORT_ACTIVE_OPTOMIZE : 0); | |
650 | ||
651 | pi->port_packet_format.supported = | |
652 | cpu_to_be16(OPA_PORT_PACKET_FORMAT_9B); | |
653 | pi->port_packet_format.enabled = | |
654 | cpu_to_be16(OPA_PORT_PACKET_FORMAT_9B); | |
655 | ||
656 | /* flit_control.interleave is (OPA V1, version .76): | |
657 | * bits use | |
658 | * ---- --- | |
659 | * 2 res | |
660 | * 2 DistanceSupported | |
661 | * 2 DistanceEnabled | |
662 | * 5 MaxNextLevelTxEnabled | |
663 | * 5 MaxNestLevelRxSupported | |
664 | * | |
665 | * HFI supports only "distance mode 1" (see OPA V1, version .76, | |
666 | * section 9.6.2), so set DistanceSupported, DistanceEnabled | |
667 | * to 0x1. | |
668 | */ | |
669 | pi->flit_control.interleave = cpu_to_be16(0x1400); | |
670 | ||
671 | pi->link_down_reason = ppd->local_link_down_reason.sma; | |
672 | pi->neigh_link_down_reason = ppd->neigh_link_down_reason.sma; | |
673 | pi->port_error_action = cpu_to_be32(ppd->port_error_action); | |
674 | pi->mtucap = mtu_to_enum(hfi1_max_mtu, IB_MTU_4096); | |
675 | ||
676 | /* 32.768 usec. response time (guessing) */ | |
677 | pi->resptimevalue = 3; | |
678 | ||
679 | pi->local_port_num = port; | |
680 | ||
681 | /* buffer info for FM */ | |
682 | pi->overall_buffer_space = cpu_to_be16(dd->link_credits); | |
683 | ||
684 | pi->neigh_node_guid = cpu_to_be64(ppd->neighbor_guid); | |
685 | pi->neigh_port_num = ppd->neighbor_port_number; | |
686 | pi->port_neigh_mode = | |
687 | (ppd->neighbor_type & OPA_PI_MASK_NEIGH_NODE_TYPE) | | |
688 | (ppd->mgmt_allowed ? OPA_PI_MASK_NEIGH_MGMT_ALLOWED : 0) | | |
689 | (ppd->neighbor_fm_security ? | |
690 | OPA_PI_MASK_NEIGH_FW_AUTH_BYPASS : 0); | |
691 | ||
692 | /* HFIs shall always return VL15 credits to their | |
693 | * neighbor in a timely manner, without any credit return pacing. | |
694 | */ | |
695 | credit_rate = 0; | |
696 | buffer_units = (dd->vau) & OPA_PI_MASK_BUF_UNIT_BUF_ALLOC; | |
697 | buffer_units |= (dd->vcu << 3) & OPA_PI_MASK_BUF_UNIT_CREDIT_ACK; | |
698 | buffer_units |= (credit_rate << 6) & | |
699 | OPA_PI_MASK_BUF_UNIT_VL15_CREDIT_RATE; | |
700 | buffer_units |= (dd->vl15_init << 11) & OPA_PI_MASK_BUF_UNIT_VL15_INIT; | |
701 | pi->buffer_units = cpu_to_be32(buffer_units); | |
702 | ||
703 | pi->opa_cap_mask = cpu_to_be16(OPA_CAP_MASK3_IsSharedSpaceSupported); | |
704 | ||
705 | /* HFI supports a replay buffer 128 LTPs in size */ | |
706 | pi->replay_depth.buffer = 0x80; | |
707 | /* read the cached value of DC_LCB_STS_ROUND_TRIP_LTP_CNT */ | |
708 | read_lcb_cache(DC_LCB_STS_ROUND_TRIP_LTP_CNT, &tmp); | |
709 | ||
4d114fdd JJ |
710 | /* |
711 | * this counter is 16 bits wide, but the replay_depth.wire | |
712 | * variable is only 8 bits | |
713 | */ | |
77241056 MM |
714 | if (tmp > 0xff) |
715 | tmp = 0xff; | |
716 | pi->replay_depth.wire = tmp; | |
717 | ||
718 | if (resp_len) | |
719 | *resp_len += sizeof(struct opa_port_info); | |
720 | ||
721 | return reply((struct ib_mad_hdr *)smp); | |
722 | } | |
723 | ||
724 | /** | |
725 | * get_pkeys - return the PKEY table | |
726 | * @dd: the hfi1_ib device | |
727 | * @port: the IB port number | |
728 | * @pkeys: the pkey table is placed here | |
729 | */ | |
730 | static int get_pkeys(struct hfi1_devdata *dd, u8 port, u16 *pkeys) | |
731 | { | |
732 | struct hfi1_pportdata *ppd = dd->pport + port - 1; | |
733 | ||
734 | memcpy(pkeys, ppd->pkeys, sizeof(ppd->pkeys)); | |
735 | ||
736 | return 0; | |
737 | } | |
738 | ||
739 | static int __subn_get_opa_pkeytable(struct opa_smp *smp, u32 am, u8 *data, | |
740 | struct ib_device *ibdev, u8 port, | |
741 | u32 *resp_len) | |
742 | { | |
743 | struct hfi1_devdata *dd = dd_from_ibdev(ibdev); | |
744 | u32 n_blocks_req = OPA_AM_NBLK(am); | |
745 | u32 start_block = am & 0x7ff; | |
746 | __be16 *p; | |
747 | u16 *q; | |
748 | int i; | |
749 | u16 n_blocks_avail; | |
750 | unsigned npkeys = hfi1_get_npkeys(dd); | |
751 | size_t size; | |
752 | ||
753 | if (n_blocks_req == 0) { | |
754 | pr_warn("OPA Get PKey AM Invalid : P = %d; B = 0x%x; N = 0x%x\n", | |
755 | port, start_block, n_blocks_req); | |
756 | smp->status |= IB_SMP_INVALID_FIELD; | |
757 | return reply((struct ib_mad_hdr *)smp); | |
758 | } | |
759 | ||
50e5dcbe | 760 | n_blocks_avail = (u16)(npkeys / OPA_PARTITION_TABLE_BLK_SIZE) + 1; |
77241056 MM |
761 | |
762 | size = (n_blocks_req * OPA_PARTITION_TABLE_BLK_SIZE) * sizeof(u16); | |
763 | ||
764 | if (start_block + n_blocks_req > n_blocks_avail || | |
765 | n_blocks_req > OPA_NUM_PKEY_BLOCKS_PER_SMP) { | |
766 | pr_warn("OPA Get PKey AM Invalid : s 0x%x; req 0x%x; " | |
767 | "avail 0x%x; blk/smp 0x%lx\n", | |
768 | start_block, n_blocks_req, n_blocks_avail, | |
769 | OPA_NUM_PKEY_BLOCKS_PER_SMP); | |
770 | smp->status |= IB_SMP_INVALID_FIELD; | |
771 | return reply((struct ib_mad_hdr *)smp); | |
772 | } | |
773 | ||
50e5dcbe | 774 | p = (__be16 *)data; |
77241056 MM |
775 | q = (u16 *)data; |
776 | /* get the real pkeys if we are requesting the first block */ | |
777 | if (start_block == 0) { | |
778 | get_pkeys(dd, port, q); | |
779 | for (i = 0; i < npkeys; i++) | |
780 | p[i] = cpu_to_be16(q[i]); | |
781 | if (resp_len) | |
782 | *resp_len += size; | |
e490974e | 783 | } else { |
77241056 | 784 | smp->status |= IB_SMP_INVALID_FIELD; |
e490974e | 785 | } |
77241056 MM |
786 | return reply((struct ib_mad_hdr *)smp); |
787 | } | |
788 | ||
789 | enum { | |
790 | HFI_TRANSITION_DISALLOWED, | |
791 | HFI_TRANSITION_IGNORED, | |
792 | HFI_TRANSITION_ALLOWED, | |
793 | HFI_TRANSITION_UNDEFINED, | |
794 | }; | |
795 | ||
796 | /* | |
797 | * Use shortened names to improve readability of | |
798 | * {logical,physical}_state_transitions | |
799 | */ | |
800 | enum { | |
801 | __D = HFI_TRANSITION_DISALLOWED, | |
802 | __I = HFI_TRANSITION_IGNORED, | |
803 | __A = HFI_TRANSITION_ALLOWED, | |
804 | __U = HFI_TRANSITION_UNDEFINED, | |
805 | }; | |
806 | ||
807 | /* | |
808 | * IB_PORTPHYSSTATE_POLLING (2) through OPA_PORTPHYSSTATE_MAX (11) are | |
809 | * represented in physical_state_transitions. | |
810 | */ | |
811 | #define __N_PHYSTATES (OPA_PORTPHYSSTATE_MAX - IB_PORTPHYSSTATE_POLLING + 1) | |
812 | ||
813 | /* | |
814 | * Within physical_state_transitions, rows represent "old" states, | |
815 | * columns "new" states, and physical_state_transitions.allowed[old][new] | |
816 | * indicates if the transition from old state to new state is legal (see | |
817 | * OPAg1v1, Table 6-4). | |
818 | */ | |
819 | static const struct { | |
820 | u8 allowed[__N_PHYSTATES][__N_PHYSTATES]; | |
821 | } physical_state_transitions = { | |
822 | { | |
823 | /* 2 3 4 5 6 7 8 9 10 11 */ | |
824 | /* 2 */ { __A, __A, __D, __D, __D, __D, __D, __D, __D, __D }, | |
825 | /* 3 */ { __A, __I, __D, __D, __D, __D, __D, __D, __D, __A }, | |
826 | /* 4 */ { __U, __U, __U, __U, __U, __U, __U, __U, __U, __U }, | |
827 | /* 5 */ { __A, __A, __D, __I, __D, __D, __D, __D, __D, __D }, | |
828 | /* 6 */ { __U, __U, __U, __U, __U, __U, __U, __U, __U, __U }, | |
829 | /* 7 */ { __D, __A, __D, __D, __D, __I, __D, __D, __D, __D }, | |
830 | /* 8 */ { __U, __U, __U, __U, __U, __U, __U, __U, __U, __U }, | |
831 | /* 9 */ { __I, __A, __D, __D, __D, __D, __D, __I, __D, __D }, | |
832 | /*10 */ { __U, __U, __U, __U, __U, __U, __U, __U, __U, __U }, | |
833 | /*11 */ { __D, __A, __D, __D, __D, __D, __D, __D, __D, __I }, | |
834 | } | |
835 | }; | |
836 | ||
837 | /* | |
838 | * IB_PORT_DOWN (1) through IB_PORT_ACTIVE_DEFER (5) are represented | |
839 | * logical_state_transitions | |
840 | */ | |
841 | ||
842 | #define __N_LOGICAL_STATES (IB_PORT_ACTIVE_DEFER - IB_PORT_DOWN + 1) | |
843 | ||
844 | /* | |
845 | * Within logical_state_transitions rows represent "old" states, | |
846 | * columns "new" states, and logical_state_transitions.allowed[old][new] | |
847 | * indicates if the transition from old state to new state is legal (see | |
848 | * OPAg1v1, Table 9-12). | |
849 | */ | |
850 | static const struct { | |
851 | u8 allowed[__N_LOGICAL_STATES][__N_LOGICAL_STATES]; | |
852 | } logical_state_transitions = { | |
853 | { | |
854 | /* 1 2 3 4 5 */ | |
855 | /* 1 */ { __I, __D, __D, __D, __U}, | |
856 | /* 2 */ { __D, __I, __A, __D, __U}, | |
857 | /* 3 */ { __D, __D, __I, __A, __U}, | |
858 | /* 4 */ { __D, __D, __I, __I, __U}, | |
859 | /* 5 */ { __U, __U, __U, __U, __U}, | |
860 | } | |
861 | }; | |
862 | ||
863 | static int logical_transition_allowed(int old, int new) | |
864 | { | |
865 | if (old < IB_PORT_NOP || old > IB_PORT_ACTIVE_DEFER || | |
866 | new < IB_PORT_NOP || new > IB_PORT_ACTIVE_DEFER) { | |
867 | pr_warn("invalid logical state(s) (old %d new %d)\n", | |
868 | old, new); | |
869 | return HFI_TRANSITION_UNDEFINED; | |
870 | } | |
871 | ||
872 | if (new == IB_PORT_NOP) | |
873 | return HFI_TRANSITION_ALLOWED; /* always allowed */ | |
874 | ||
875 | /* adjust states for indexing into logical_state_transitions */ | |
876 | old -= IB_PORT_DOWN; | |
877 | new -= IB_PORT_DOWN; | |
878 | ||
879 | if (old < 0 || new < 0) | |
880 | return HFI_TRANSITION_UNDEFINED; | |
881 | return logical_state_transitions.allowed[old][new]; | |
882 | } | |
883 | ||
884 | static int physical_transition_allowed(int old, int new) | |
885 | { | |
886 | if (old < IB_PORTPHYSSTATE_NOP || old > OPA_PORTPHYSSTATE_MAX || | |
887 | new < IB_PORTPHYSSTATE_NOP || new > OPA_PORTPHYSSTATE_MAX) { | |
888 | pr_warn("invalid physical state(s) (old %d new %d)\n", | |
889 | old, new); | |
890 | return HFI_TRANSITION_UNDEFINED; | |
891 | } | |
892 | ||
893 | if (new == IB_PORTPHYSSTATE_NOP) | |
894 | return HFI_TRANSITION_ALLOWED; /* always allowed */ | |
895 | ||
896 | /* adjust states for indexing into physical_state_transitions */ | |
897 | old -= IB_PORTPHYSSTATE_POLLING; | |
898 | new -= IB_PORTPHYSSTATE_POLLING; | |
899 | ||
900 | if (old < 0 || new < 0) | |
901 | return HFI_TRANSITION_UNDEFINED; | |
902 | return physical_state_transitions.allowed[old][new]; | |
903 | } | |
904 | ||
905 | static int port_states_transition_allowed(struct hfi1_pportdata *ppd, | |
906 | u32 logical_new, u32 physical_new) | |
907 | { | |
908 | u32 physical_old = driver_physical_state(ppd); | |
909 | u32 logical_old = driver_logical_state(ppd); | |
910 | int ret, logical_allowed, physical_allowed; | |
911 | ||
f3ff8189 JJ |
912 | ret = logical_transition_allowed(logical_old, logical_new); |
913 | logical_allowed = ret; | |
77241056 MM |
914 | |
915 | if (ret == HFI_TRANSITION_DISALLOWED || | |
916 | ret == HFI_TRANSITION_UNDEFINED) { | |
917 | pr_warn("invalid logical state transition %s -> %s\n", | |
918 | opa_lstate_name(logical_old), | |
919 | opa_lstate_name(logical_new)); | |
920 | return ret; | |
921 | } | |
922 | ||
f3ff8189 JJ |
923 | ret = physical_transition_allowed(physical_old, physical_new); |
924 | physical_allowed = ret; | |
77241056 MM |
925 | |
926 | if (ret == HFI_TRANSITION_DISALLOWED || | |
927 | ret == HFI_TRANSITION_UNDEFINED) { | |
928 | pr_warn("invalid physical state transition %s -> %s\n", | |
929 | opa_pstate_name(physical_old), | |
930 | opa_pstate_name(physical_new)); | |
931 | return ret; | |
932 | } | |
933 | ||
934 | if (logical_allowed == HFI_TRANSITION_IGNORED && | |
935 | physical_allowed == HFI_TRANSITION_IGNORED) | |
936 | return HFI_TRANSITION_IGNORED; | |
937 | ||
a9c05e35 BM |
938 | /* |
939 | * A change request of Physical Port State from | |
940 | * 'Offline' to 'Polling' should be ignored. | |
941 | */ | |
942 | if ((physical_old == OPA_PORTPHYSSTATE_OFFLINE) && | |
943 | (physical_new == IB_PORTPHYSSTATE_POLLING)) | |
944 | return HFI_TRANSITION_IGNORED; | |
945 | ||
77241056 MM |
946 | /* |
947 | * Either physical_allowed or logical_allowed is | |
948 | * HFI_TRANSITION_ALLOWED. | |
949 | */ | |
950 | return HFI_TRANSITION_ALLOWED; | |
951 | } | |
952 | ||
953 | static int set_port_states(struct hfi1_pportdata *ppd, struct opa_smp *smp, | |
954 | u32 logical_state, u32 phys_state, | |
955 | int suppress_idle_sma) | |
956 | { | |
957 | struct hfi1_devdata *dd = ppd->dd; | |
958 | u32 link_state; | |
959 | int ret; | |
960 | ||
961 | ret = port_states_transition_allowed(ppd, logical_state, phys_state); | |
962 | if (ret == HFI_TRANSITION_DISALLOWED || | |
963 | ret == HFI_TRANSITION_UNDEFINED) { | |
964 | /* error message emitted above */ | |
965 | smp->status |= IB_SMP_INVALID_FIELD; | |
966 | return 0; | |
967 | } | |
968 | ||
969 | if (ret == HFI_TRANSITION_IGNORED) | |
970 | return 0; | |
971 | ||
972 | if ((phys_state != IB_PORTPHYSSTATE_NOP) && | |
973 | !(logical_state == IB_PORT_DOWN || | |
974 | logical_state == IB_PORT_NOP)){ | |
975 | pr_warn("SubnSet(OPA_PortInfo) port state invalid: logical_state 0x%x physical_state 0x%x\n", | |
976 | logical_state, phys_state); | |
977 | smp->status |= IB_SMP_INVALID_FIELD; | |
978 | } | |
979 | ||
980 | /* | |
981 | * Logical state changes are summarized in OPAv1g1 spec., | |
982 | * Table 9-12; physical state changes are summarized in | |
983 | * OPAv1g1 spec., Table 6.4. | |
984 | */ | |
985 | switch (logical_state) { | |
986 | case IB_PORT_NOP: | |
987 | if (phys_state == IB_PORTPHYSSTATE_NOP) | |
988 | break; | |
989 | /* FALLTHROUGH */ | |
990 | case IB_PORT_DOWN: | |
e490974e | 991 | if (phys_state == IB_PORTPHYSSTATE_NOP) { |
77241056 | 992 | link_state = HLS_DN_DOWNDEF; |
e490974e | 993 | } else if (phys_state == IB_PORTPHYSSTATE_POLLING) { |
77241056 | 994 | link_state = HLS_DN_POLL; |
17fb4f29 JJ |
995 | set_link_down_reason(ppd, OPA_LINKDOWN_REASON_FM_BOUNCE, |
996 | 0, OPA_LINKDOWN_REASON_FM_BOUNCE); | |
e490974e | 997 | } else if (phys_state == IB_PORTPHYSSTATE_DISABLED) { |
77241056 | 998 | link_state = HLS_DN_DISABLE; |
e490974e | 999 | } else { |
77241056 MM |
1000 | pr_warn("SubnSet(OPA_PortInfo) invalid physical state 0x%x\n", |
1001 | phys_state); | |
1002 | smp->status |= IB_SMP_INVALID_FIELD; | |
1003 | break; | |
1004 | } | |
1005 | ||
1cbaa670 DL |
1006 | if ((link_state == HLS_DN_POLL || |
1007 | link_state == HLS_DN_DOWNDEF)) { | |
1008 | /* | |
1009 | * Going to poll. No matter what the current state, | |
1010 | * always move offline first, then tune and start the | |
1011 | * link. This correctly handles a FM link bounce and | |
1012 | * a link enable. Going offline is a no-op if already | |
1013 | * offline. | |
1014 | */ | |
1015 | set_link_state(ppd, HLS_DN_OFFLINE); | |
1016 | tune_serdes(ppd); | |
1017 | start_link(ppd); | |
1018 | } else { | |
1019 | set_link_state(ppd, link_state); | |
1020 | } | |
77241056 MM |
1021 | if (link_state == HLS_DN_DISABLE && |
1022 | (ppd->offline_disabled_reason > | |
a9c05e35 | 1023 | HFI1_ODR_MASK(OPA_LINKDOWN_REASON_SMA_DISABLED) || |
77241056 | 1024 | ppd->offline_disabled_reason == |
a9c05e35 | 1025 | HFI1_ODR_MASK(OPA_LINKDOWN_REASON_NONE))) |
77241056 | 1026 | ppd->offline_disabled_reason = |
a9c05e35 | 1027 | HFI1_ODR_MASK(OPA_LINKDOWN_REASON_SMA_DISABLED); |
77241056 MM |
1028 | /* |
1029 | * Don't send a reply if the response would be sent | |
1030 | * through the disabled port. | |
1031 | */ | |
1032 | if (link_state == HLS_DN_DISABLE && smp->hop_cnt) | |
1033 | return IB_MAD_RESULT_SUCCESS | IB_MAD_RESULT_CONSUMED; | |
1034 | break; | |
1035 | case IB_PORT_ARMED: | |
1036 | ret = set_link_state(ppd, HLS_UP_ARMED); | |
1037 | if ((ret == 0) && (suppress_idle_sma == 0)) | |
1038 | send_idle_sma(dd, SMA_IDLE_ARM); | |
1039 | break; | |
1040 | case IB_PORT_ACTIVE: | |
1041 | if (ppd->neighbor_normal) { | |
1042 | ret = set_link_state(ppd, HLS_UP_ACTIVE); | |
1043 | if (ret == 0) | |
1044 | send_idle_sma(dd, SMA_IDLE_ACTIVE); | |
1045 | } else { | |
1046 | pr_warn("SubnSet(OPA_PortInfo) Cannot move to Active with NeighborNormal 0\n"); | |
1047 | smp->status |= IB_SMP_INVALID_FIELD; | |
1048 | } | |
1049 | break; | |
1050 | default: | |
1051 | pr_warn("SubnSet(OPA_PortInfo) invalid logical state 0x%x\n", | |
1052 | logical_state); | |
1053 | smp->status |= IB_SMP_INVALID_FIELD; | |
1054 | } | |
1055 | ||
1056 | return 0; | |
1057 | } | |
1058 | ||
1059 | /** | |
1060 | * subn_set_opa_portinfo - set port information | |
1061 | * @smp: the incoming SM packet | |
1062 | * @ibdev: the infiniband device | |
1063 | * @port: the port on the device | |
1064 | * | |
1065 | */ | |
1066 | static int __subn_set_opa_portinfo(struct opa_smp *smp, u32 am, u8 *data, | |
1067 | struct ib_device *ibdev, u8 port, | |
1068 | u32 *resp_len) | |
1069 | { | |
1070 | struct opa_port_info *pi = (struct opa_port_info *)data; | |
1071 | struct ib_event event; | |
1072 | struct hfi1_devdata *dd; | |
1073 | struct hfi1_pportdata *ppd; | |
1074 | struct hfi1_ibport *ibp; | |
1075 | u8 clientrereg; | |
1076 | unsigned long flags; | |
1077 | u32 smlid, opa_lid; /* tmp vars to hold LID values */ | |
1078 | u16 lid; | |
1079 | u8 ls_old, ls_new, ps_new; | |
1080 | u8 vls; | |
1081 | u8 msl; | |
1082 | u8 crc_enabled; | |
1083 | u16 lse, lwe, mtu; | |
1084 | u32 num_ports = OPA_AM_NPORT(am); | |
1085 | u32 start_of_sm_config = OPA_AM_START_SM_CFG(am); | |
1086 | int ret, i, invalid = 0, call_set_mtu = 0; | |
1087 | int call_link_downgrade_policy = 0; | |
1088 | ||
1089 | if (num_ports != 1) { | |
1090 | smp->status |= IB_SMP_INVALID_FIELD; | |
1091 | return reply((struct ib_mad_hdr *)smp); | |
1092 | } | |
1093 | ||
1094 | opa_lid = be32_to_cpu(pi->lid); | |
1095 | if (opa_lid & 0xFFFF0000) { | |
1096 | pr_warn("OPA_PortInfo lid out of range: %X\n", opa_lid); | |
1097 | smp->status |= IB_SMP_INVALID_FIELD; | |
1098 | goto get_only; | |
1099 | } | |
1100 | ||
1101 | lid = (u16)(opa_lid & 0x0000FFFF); | |
1102 | ||
1103 | smlid = be32_to_cpu(pi->sm_lid); | |
1104 | if (smlid & 0xFFFF0000) { | |
1105 | pr_warn("OPA_PortInfo SM lid out of range: %X\n", smlid); | |
1106 | smp->status |= IB_SMP_INVALID_FIELD; | |
1107 | goto get_only; | |
1108 | } | |
1109 | smlid &= 0x0000FFFF; | |
1110 | ||
1111 | clientrereg = (pi->clientrereg_subnettimeout & | |
1112 | OPA_PI_MASK_CLIENT_REREGISTER); | |
1113 | ||
1114 | dd = dd_from_ibdev(ibdev); | |
1115 | /* IB numbers ports from 1, hw from 0 */ | |
1116 | ppd = dd->pport + (port - 1); | |
1117 | ibp = &ppd->ibport_data; | |
1118 | event.device = ibdev; | |
1119 | event.element.port_num = port; | |
1120 | ||
1121 | ls_old = driver_lstate(ppd); | |
1122 | ||
4eb06882 DD |
1123 | ibp->rvp.mkey = pi->mkey; |
1124 | ibp->rvp.gid_prefix = pi->subnet_prefix; | |
1125 | ibp->rvp.mkey_lease_period = be16_to_cpu(pi->mkey_lease_period); | |
77241056 MM |
1126 | |
1127 | /* Must be a valid unicast LID address. */ | |
1128 | if ((lid == 0 && ls_old > IB_PORT_INIT) || | |
17fb4f29 | 1129 | lid >= be16_to_cpu(IB_MULTICAST_LID_BASE)) { |
77241056 MM |
1130 | smp->status |= IB_SMP_INVALID_FIELD; |
1131 | pr_warn("SubnSet(OPA_PortInfo) lid invalid 0x%x\n", | |
1132 | lid); | |
1133 | } else if (ppd->lid != lid || | |
1134 | ppd->lmc != (pi->mkeyprotect_lmc & OPA_PI_MASK_LMC)) { | |
1135 | if (ppd->lid != lid) | |
1136 | hfi1_set_uevent_bits(ppd, _HFI1_EVENT_LID_CHANGE_BIT); | |
1137 | if (ppd->lmc != (pi->mkeyprotect_lmc & OPA_PI_MASK_LMC)) | |
1138 | hfi1_set_uevent_bits(ppd, _HFI1_EVENT_LMC_CHANGE_BIT); | |
1139 | hfi1_set_lid(ppd, lid, pi->mkeyprotect_lmc & OPA_PI_MASK_LMC); | |
1140 | event.event = IB_EVENT_LID_CHANGE; | |
1141 | ib_dispatch_event(&event); | |
1142 | } | |
1143 | ||
1144 | msl = pi->smsl & OPA_PI_MASK_SMSL; | |
1145 | if (pi->partenforce_filterraw & OPA_PI_MASK_LINKINIT_REASON) | |
1146 | ppd->linkinit_reason = | |
1147 | (pi->partenforce_filterraw & | |
1148 | OPA_PI_MASK_LINKINIT_REASON); | |
1149 | /* enable/disable SW pkey checking as per FM control */ | |
1150 | if (pi->partenforce_filterraw & OPA_PI_MASK_PARTITION_ENFORCE_IN) | |
1151 | ppd->part_enforce |= HFI1_PART_ENFORCE_IN; | |
1152 | else | |
1153 | ppd->part_enforce &= ~HFI1_PART_ENFORCE_IN; | |
1154 | ||
1155 | if (pi->partenforce_filterraw & OPA_PI_MASK_PARTITION_ENFORCE_OUT) | |
1156 | ppd->part_enforce |= HFI1_PART_ENFORCE_OUT; | |
1157 | else | |
1158 | ppd->part_enforce &= ~HFI1_PART_ENFORCE_OUT; | |
1159 | ||
1160 | /* Must be a valid unicast LID address. */ | |
1161 | if ((smlid == 0 && ls_old > IB_PORT_INIT) || | |
17fb4f29 | 1162 | smlid >= be16_to_cpu(IB_MULTICAST_LID_BASE)) { |
77241056 MM |
1163 | smp->status |= IB_SMP_INVALID_FIELD; |
1164 | pr_warn("SubnSet(OPA_PortInfo) smlid invalid 0x%x\n", smlid); | |
4eb06882 | 1165 | } else if (smlid != ibp->rvp.sm_lid || msl != ibp->rvp.sm_sl) { |
77241056 | 1166 | pr_warn("SubnSet(OPA_PortInfo) smlid 0x%x\n", smlid); |
4eb06882 | 1167 | spin_lock_irqsave(&ibp->rvp.lock, flags); |
9c4a311e | 1168 | if (ibp->rvp.sm_ah) { |
4eb06882 | 1169 | if (smlid != ibp->rvp.sm_lid) |
9c4a311e | 1170 | ibp->rvp.sm_ah->attr.dlid = smlid; |
4eb06882 | 1171 | if (msl != ibp->rvp.sm_sl) |
9c4a311e | 1172 | ibp->rvp.sm_ah->attr.sl = msl; |
77241056 | 1173 | } |
4eb06882 DD |
1174 | spin_unlock_irqrestore(&ibp->rvp.lock, flags); |
1175 | if (smlid != ibp->rvp.sm_lid) | |
1176 | ibp->rvp.sm_lid = smlid; | |
1177 | if (msl != ibp->rvp.sm_sl) | |
1178 | ibp->rvp.sm_sl = msl; | |
77241056 MM |
1179 | event.event = IB_EVENT_SM_CHANGE; |
1180 | ib_dispatch_event(&event); | |
1181 | } | |
1182 | ||
1183 | if (pi->link_down_reason == 0) { | |
1184 | ppd->local_link_down_reason.sma = 0; | |
1185 | ppd->local_link_down_reason.latest = 0; | |
1186 | } | |
1187 | ||
1188 | if (pi->neigh_link_down_reason == 0) { | |
1189 | ppd->neigh_link_down_reason.sma = 0; | |
1190 | ppd->neigh_link_down_reason.latest = 0; | |
1191 | } | |
1192 | ||
1193 | ppd->sm_trap_qp = be32_to_cpu(pi->sm_trap_qp); | |
1194 | ppd->sa_qp = be32_to_cpu(pi->sa_qp); | |
1195 | ||
1196 | ppd->port_error_action = be32_to_cpu(pi->port_error_action); | |
1197 | lwe = be16_to_cpu(pi->link_width.enabled); | |
1198 | if (lwe) { | |
d0d236ea JJ |
1199 | if (lwe == OPA_LINK_WIDTH_RESET || |
1200 | lwe == OPA_LINK_WIDTH_RESET_OLD) | |
77241056 MM |
1201 | set_link_width_enabled(ppd, ppd->link_width_supported); |
1202 | else if ((lwe & ~ppd->link_width_supported) == 0) | |
1203 | set_link_width_enabled(ppd, lwe); | |
1204 | else | |
1205 | smp->status |= IB_SMP_INVALID_FIELD; | |
1206 | } | |
1207 | lwe = be16_to_cpu(pi->link_width_downgrade.enabled); | |
1208 | /* LWD.E is always applied - 0 means "disabled" */ | |
d0d236ea JJ |
1209 | if (lwe == OPA_LINK_WIDTH_RESET || |
1210 | lwe == OPA_LINK_WIDTH_RESET_OLD) { | |
77241056 | 1211 | set_link_width_downgrade_enabled(ppd, |
17fb4f29 JJ |
1212 | ppd-> |
1213 | link_width_downgrade_supported | |
1214 | ); | |
77241056 MM |
1215 | } else if ((lwe & ~ppd->link_width_downgrade_supported) == 0) { |
1216 | /* only set and apply if something changed */ | |
1217 | if (lwe != ppd->link_width_downgrade_enabled) { | |
1218 | set_link_width_downgrade_enabled(ppd, lwe); | |
1219 | call_link_downgrade_policy = 1; | |
1220 | } | |
e490974e | 1221 | } else { |
77241056 | 1222 | smp->status |= IB_SMP_INVALID_FIELD; |
e490974e | 1223 | } |
77241056 MM |
1224 | lse = be16_to_cpu(pi->link_speed.enabled); |
1225 | if (lse) { | |
1226 | if (lse & be16_to_cpu(pi->link_speed.supported)) | |
1227 | set_link_speed_enabled(ppd, lse); | |
1228 | else | |
1229 | smp->status |= IB_SMP_INVALID_FIELD; | |
1230 | } | |
1231 | ||
4eb06882 DD |
1232 | ibp->rvp.mkeyprot = |
1233 | (pi->mkeyprotect_lmc & OPA_PI_MASK_MKEY_PROT_BIT) >> 6; | |
1234 | ibp->rvp.vl_high_limit = be16_to_cpu(pi->vl.high_limit) & 0xFF; | |
77241056 | 1235 | (void)hfi1_set_ib_cfg(ppd, HFI1_IB_CFG_VL_HIGH_LIMIT, |
4eb06882 | 1236 | ibp->rvp.vl_high_limit); |
77241056 | 1237 | |
8638b77f | 1238 | if (ppd->vls_supported / 2 > ARRAY_SIZE(pi->neigh_mtu.pvlx_to_mtu) || |
17fb4f29 | 1239 | ppd->vls_supported > ARRAY_SIZE(dd->vld)) { |
77241056 MM |
1240 | smp->status |= IB_SMP_INVALID_FIELD; |
1241 | return reply((struct ib_mad_hdr *)smp); | |
1242 | } | |
1243 | for (i = 0; i < ppd->vls_supported; i++) { | |
1244 | if ((i % 2) == 0) | |
17fb4f29 JJ |
1245 | mtu = enum_to_mtu((pi->neigh_mtu.pvlx_to_mtu[i / 2] >> |
1246 | 4) & 0xF); | |
77241056 | 1247 | else |
17fb4f29 JJ |
1248 | mtu = enum_to_mtu(pi->neigh_mtu.pvlx_to_mtu[i / 2] & |
1249 | 0xF); | |
77241056 MM |
1250 | if (mtu == 0xffff) { |
1251 | pr_warn("SubnSet(OPA_PortInfo) mtu invalid %d (0x%x)\n", | |
1252 | mtu, | |
1253 | (pi->neigh_mtu.pvlx_to_mtu[0] >> 4) & 0xF); | |
1254 | smp->status |= IB_SMP_INVALID_FIELD; | |
1255 | mtu = hfi1_max_mtu; /* use a valid MTU */ | |
1256 | } | |
1257 | if (dd->vld[i].mtu != mtu) { | |
1258 | dd_dev_info(dd, | |
17fb4f29 JJ |
1259 | "MTU change on vl %d from %d to %d\n", |
1260 | i, dd->vld[i].mtu, mtu); | |
77241056 MM |
1261 | dd->vld[i].mtu = mtu; |
1262 | call_set_mtu++; | |
1263 | } | |
1264 | } | |
1265 | /* As per OPAV1 spec: VL15 must support and be configured | |
1266 | * for operation with a 2048 or larger MTU. | |
1267 | */ | |
8638b77f | 1268 | mtu = enum_to_mtu(pi->neigh_mtu.pvlx_to_mtu[15 / 2] & 0xF); |
77241056 MM |
1269 | if (mtu < 2048 || mtu == 0xffff) |
1270 | mtu = 2048; | |
1271 | if (dd->vld[15].mtu != mtu) { | |
1272 | dd_dev_info(dd, | |
17fb4f29 JJ |
1273 | "MTU change on vl 15 from %d to %d\n", |
1274 | dd->vld[15].mtu, mtu); | |
77241056 MM |
1275 | dd->vld[15].mtu = mtu; |
1276 | call_set_mtu++; | |
1277 | } | |
1278 | if (call_set_mtu) | |
1279 | set_mtu(ppd); | |
1280 | ||
1281 | /* Set operational VLs */ | |
1282 | vls = pi->operational_vls & OPA_PI_MASK_OPERATIONAL_VL; | |
1283 | if (vls) { | |
1284 | if (vls > ppd->vls_supported) { | |
1285 | pr_warn("SubnSet(OPA_PortInfo) VL's supported invalid %d\n", | |
1286 | pi->operational_vls); | |
1287 | smp->status |= IB_SMP_INVALID_FIELD; | |
1288 | } else { | |
1289 | if (hfi1_set_ib_cfg(ppd, HFI1_IB_CFG_OP_VLS, | |
17fb4f29 | 1290 | vls) == -EINVAL) |
77241056 MM |
1291 | smp->status |= IB_SMP_INVALID_FIELD; |
1292 | } | |
1293 | } | |
1294 | ||
1295 | if (pi->mkey_violations == 0) | |
4eb06882 | 1296 | ibp->rvp.mkey_violations = 0; |
77241056 MM |
1297 | |
1298 | if (pi->pkey_violations == 0) | |
4eb06882 | 1299 | ibp->rvp.pkey_violations = 0; |
77241056 MM |
1300 | |
1301 | if (pi->qkey_violations == 0) | |
4eb06882 | 1302 | ibp->rvp.qkey_violations = 0; |
77241056 | 1303 | |
4eb06882 | 1304 | ibp->rvp.subnet_timeout = |
77241056 MM |
1305 | pi->clientrereg_subnettimeout & OPA_PI_MASK_SUBNET_TIMEOUT; |
1306 | ||
1307 | crc_enabled = be16_to_cpu(pi->port_ltp_crc_mode); | |
1308 | crc_enabled >>= 4; | |
1309 | crc_enabled &= 0xf; | |
1310 | ||
1311 | if (crc_enabled != 0) | |
1312 | ppd->port_crc_mode_enabled = port_ltp_to_cap(crc_enabled); | |
1313 | ||
1314 | ppd->is_active_optimize_enabled = | |
1315 | !!(be16_to_cpu(pi->port_mode) | |
1316 | & OPA_PI_MASK_PORT_ACTIVE_OPTOMIZE); | |
1317 | ||
1318 | ls_new = pi->port_states.portphysstate_portstate & | |
1319 | OPA_PI_MASK_PORT_STATE; | |
1320 | ps_new = (pi->port_states.portphysstate_portstate & | |
1321 | OPA_PI_MASK_PORT_PHYSICAL_STATE) >> 4; | |
1322 | ||
1323 | if (ls_old == IB_PORT_INIT) { | |
1324 | if (start_of_sm_config) { | |
1325 | if (ls_new == ls_old || (ls_new == IB_PORT_ARMED)) | |
1326 | ppd->is_sm_config_started = 1; | |
1327 | } else if (ls_new == IB_PORT_ARMED) { | |
1328 | if (ppd->is_sm_config_started == 0) | |
1329 | invalid = 1; | |
1330 | } | |
1331 | } | |
1332 | ||
1333 | /* Handle CLIENT_REREGISTER event b/c SM asked us for it */ | |
1334 | if (clientrereg) { | |
1335 | event.event = IB_EVENT_CLIENT_REREGISTER; | |
1336 | ib_dispatch_event(&event); | |
1337 | } | |
1338 | ||
1339 | /* | |
1340 | * Do the port state change now that the other link parameters | |
1341 | * have been set. | |
1342 | * Changing the port physical state only makes sense if the link | |
1343 | * is down or is being set to down. | |
1344 | */ | |
1345 | ||
1346 | ret = set_port_states(ppd, smp, ls_new, ps_new, invalid); | |
1347 | if (ret) | |
1348 | return ret; | |
1349 | ||
1350 | ret = __subn_get_opa_portinfo(smp, am, data, ibdev, port, resp_len); | |
1351 | ||
1352 | /* restore re-reg bit per o14-12.2.1 */ | |
1353 | pi->clientrereg_subnettimeout |= clientrereg; | |
1354 | ||
1355 | /* | |
1356 | * Apply the new link downgrade policy. This may result in a link | |
1357 | * bounce. Do this after everything else so things are settled. | |
1358 | * Possible problem: if setting the port state above fails, then | |
1359 | * the policy change is not applied. | |
1360 | */ | |
1361 | if (call_link_downgrade_policy) | |
1362 | apply_link_downgrade_policy(ppd, 0); | |
1363 | ||
1364 | return ret; | |
1365 | ||
1366 | get_only: | |
1367 | return __subn_get_opa_portinfo(smp, am, data, ibdev, port, resp_len); | |
1368 | } | |
1369 | ||
1370 | /** | |
1371 | * set_pkeys - set the PKEY table for ctxt 0 | |
1372 | * @dd: the hfi1_ib device | |
1373 | * @port: the IB port number | |
1374 | * @pkeys: the PKEY table | |
1375 | */ | |
1376 | static int set_pkeys(struct hfi1_devdata *dd, u8 port, u16 *pkeys) | |
1377 | { | |
1378 | struct hfi1_pportdata *ppd; | |
1379 | int i; | |
1380 | int changed = 0; | |
1381 | int update_includes_mgmt_partition = 0; | |
1382 | ||
1383 | /* | |
1384 | * IB port one/two always maps to context zero/one, | |
1385 | * always a kernel context, no locking needed | |
1386 | * If we get here with ppd setup, no need to check | |
1387 | * that rcd is valid. | |
1388 | */ | |
1389 | ppd = dd->pport + (port - 1); | |
1390 | /* | |
1391 | * If the update does not include the management pkey, don't do it. | |
1392 | */ | |
1393 | for (i = 0; i < ARRAY_SIZE(ppd->pkeys); i++) { | |
1394 | if (pkeys[i] == LIM_MGMT_P_KEY) { | |
1395 | update_includes_mgmt_partition = 1; | |
1396 | break; | |
1397 | } | |
1398 | } | |
1399 | ||
1400 | if (!update_includes_mgmt_partition) | |
1401 | return 1; | |
1402 | ||
1403 | for (i = 0; i < ARRAY_SIZE(ppd->pkeys); i++) { | |
1404 | u16 key = pkeys[i]; | |
1405 | u16 okey = ppd->pkeys[i]; | |
1406 | ||
1407 | if (key == okey) | |
1408 | continue; | |
ce8b2fd0 SS |
1409 | /* |
1410 | * Don't update pkeys[2], if an HFI port without MgmtAllowed | |
1411 | * by neighbor is a switch. | |
1412 | */ | |
1413 | if (i == 2 && !ppd->mgmt_allowed && ppd->neighbor_type == 1) | |
1414 | continue; | |
77241056 MM |
1415 | /* |
1416 | * The SM gives us the complete PKey table. We have | |
1417 | * to ensure that we put the PKeys in the matching | |
1418 | * slots. | |
1419 | */ | |
1420 | ppd->pkeys[i] = key; | |
1421 | changed = 1; | |
1422 | } | |
1423 | ||
1424 | if (changed) { | |
77241056 | 1425 | (void)hfi1_set_ib_cfg(ppd, HFI1_IB_CFG_PKEYS, 0); |
34d351f8 | 1426 | hfi1_event_pkey_change(dd, port); |
77241056 | 1427 | } |
34d351f8 | 1428 | |
77241056 MM |
1429 | return 0; |
1430 | } | |
1431 | ||
1432 | static int __subn_set_opa_pkeytable(struct opa_smp *smp, u32 am, u8 *data, | |
1433 | struct ib_device *ibdev, u8 port, | |
1434 | u32 *resp_len) | |
1435 | { | |
1436 | struct hfi1_devdata *dd = dd_from_ibdev(ibdev); | |
1437 | u32 n_blocks_sent = OPA_AM_NBLK(am); | |
1438 | u32 start_block = am & 0x7ff; | |
50e5dcbe | 1439 | u16 *p = (u16 *)data; |
77241056 MM |
1440 | __be16 *q = (__be16 *)data; |
1441 | int i; | |
1442 | u16 n_blocks_avail; | |
1443 | unsigned npkeys = hfi1_get_npkeys(dd); | |
1444 | ||
1445 | if (n_blocks_sent == 0) { | |
1446 | pr_warn("OPA Get PKey AM Invalid : P = %d; B = 0x%x; N = 0x%x\n", | |
1447 | port, start_block, n_blocks_sent); | |
1448 | smp->status |= IB_SMP_INVALID_FIELD; | |
1449 | return reply((struct ib_mad_hdr *)smp); | |
1450 | } | |
1451 | ||
8638b77f | 1452 | n_blocks_avail = (u16)(npkeys / OPA_PARTITION_TABLE_BLK_SIZE) + 1; |
77241056 MM |
1453 | |
1454 | if (start_block + n_blocks_sent > n_blocks_avail || | |
1455 | n_blocks_sent > OPA_NUM_PKEY_BLOCKS_PER_SMP) { | |
1456 | pr_warn("OPA Set PKey AM Invalid : s 0x%x; req 0x%x; avail 0x%x; blk/smp 0x%lx\n", | |
1457 | start_block, n_blocks_sent, n_blocks_avail, | |
1458 | OPA_NUM_PKEY_BLOCKS_PER_SMP); | |
1459 | smp->status |= IB_SMP_INVALID_FIELD; | |
1460 | return reply((struct ib_mad_hdr *)smp); | |
1461 | } | |
1462 | ||
1463 | for (i = 0; i < n_blocks_sent * OPA_PARTITION_TABLE_BLK_SIZE; i++) | |
1464 | p[i] = be16_to_cpu(q[i]); | |
1465 | ||
1466 | if (start_block == 0 && set_pkeys(dd, port, p) != 0) { | |
1467 | smp->status |= IB_SMP_INVALID_FIELD; | |
1468 | return reply((struct ib_mad_hdr *)smp); | |
1469 | } | |
1470 | ||
1471 | return __subn_get_opa_pkeytable(smp, am, data, ibdev, port, resp_len); | |
1472 | } | |
1473 | ||
1474 | static int get_sc2vlt_tables(struct hfi1_devdata *dd, void *data) | |
1475 | { | |
a787bde8 | 1476 | u64 *val = data; |
77241056 MM |
1477 | |
1478 | *val++ = read_csr(dd, SEND_SC2VLT0); | |
1479 | *val++ = read_csr(dd, SEND_SC2VLT1); | |
1480 | *val++ = read_csr(dd, SEND_SC2VLT2); | |
1481 | *val++ = read_csr(dd, SEND_SC2VLT3); | |
1482 | return 0; | |
1483 | } | |
1484 | ||
1485 | #define ILLEGAL_VL 12 | |
1486 | /* | |
1487 | * filter_sc2vlt changes mappings to VL15 to ILLEGAL_VL (except | |
1488 | * for SC15, which must map to VL15). If we don't remap things this | |
1489 | * way it is possible for VL15 counters to increment when we try to | |
1490 | * send on a SC which is mapped to an invalid VL. | |
1491 | */ | |
1492 | static void filter_sc2vlt(void *data) | |
1493 | { | |
1494 | int i; | |
a787bde8 | 1495 | u8 *pd = data; |
77241056 MM |
1496 | |
1497 | for (i = 0; i < OPA_MAX_SCS; i++) { | |
1498 | if (i == 15) | |
1499 | continue; | |
1500 | if ((pd[i] & 0x1f) == 0xf) | |
1501 | pd[i] = ILLEGAL_VL; | |
1502 | } | |
1503 | } | |
1504 | ||
1505 | static int set_sc2vlt_tables(struct hfi1_devdata *dd, void *data) | |
1506 | { | |
a787bde8 | 1507 | u64 *val = data; |
77241056 MM |
1508 | |
1509 | filter_sc2vlt(data); | |
1510 | ||
1511 | write_csr(dd, SEND_SC2VLT0, *val++); | |
1512 | write_csr(dd, SEND_SC2VLT1, *val++); | |
1513 | write_csr(dd, SEND_SC2VLT2, *val++); | |
1514 | write_csr(dd, SEND_SC2VLT3, *val++); | |
1515 | write_seqlock_irq(&dd->sc2vl_lock); | |
a787bde8 | 1516 | memcpy(dd->sc2vl, data, sizeof(dd->sc2vl)); |
77241056 MM |
1517 | write_sequnlock_irq(&dd->sc2vl_lock); |
1518 | return 0; | |
1519 | } | |
1520 | ||
1521 | static int __subn_get_opa_sl_to_sc(struct opa_smp *smp, u32 am, u8 *data, | |
1522 | struct ib_device *ibdev, u8 port, | |
1523 | u32 *resp_len) | |
1524 | { | |
1525 | struct hfi1_ibport *ibp = to_iport(ibdev, port); | |
6618c051 | 1526 | u8 *p = data; |
77241056 MM |
1527 | size_t size = ARRAY_SIZE(ibp->sl_to_sc); /* == 32 */ |
1528 | unsigned i; | |
1529 | ||
1530 | if (am) { | |
1531 | smp->status |= IB_SMP_INVALID_FIELD; | |
1532 | return reply((struct ib_mad_hdr *)smp); | |
1533 | } | |
1534 | ||
1535 | for (i = 0; i < ARRAY_SIZE(ibp->sl_to_sc); i++) | |
1536 | *p++ = ibp->sl_to_sc[i]; | |
1537 | ||
1538 | if (resp_len) | |
1539 | *resp_len += size; | |
1540 | ||
1541 | return reply((struct ib_mad_hdr *)smp); | |
1542 | } | |
1543 | ||
1544 | static int __subn_set_opa_sl_to_sc(struct opa_smp *smp, u32 am, u8 *data, | |
1545 | struct ib_device *ibdev, u8 port, | |
1546 | u32 *resp_len) | |
1547 | { | |
1548 | struct hfi1_ibport *ibp = to_iport(ibdev, port); | |
6618c051 | 1549 | u8 *p = data; |
77241056 | 1550 | int i; |
0ec79e87 | 1551 | u8 sc; |
77241056 MM |
1552 | |
1553 | if (am) { | |
1554 | smp->status |= IB_SMP_INVALID_FIELD; | |
1555 | return reply((struct ib_mad_hdr *)smp); | |
1556 | } | |
1557 | ||
0ec79e87 KW |
1558 | for (i = 0; i < ARRAY_SIZE(ibp->sl_to_sc); i++) { |
1559 | sc = *p++; | |
1560 | if (ibp->sl_to_sc[i] != sc) { | |
1561 | ibp->sl_to_sc[i] = sc; | |
1562 | ||
1563 | /* Put all stale qps into error state */ | |
1564 | hfi1_error_port_qps(ibp, i); | |
1565 | } | |
1566 | } | |
77241056 MM |
1567 | |
1568 | return __subn_get_opa_sl_to_sc(smp, am, data, ibdev, port, resp_len); | |
1569 | } | |
1570 | ||
1571 | static int __subn_get_opa_sc_to_sl(struct opa_smp *smp, u32 am, u8 *data, | |
1572 | struct ib_device *ibdev, u8 port, | |
1573 | u32 *resp_len) | |
1574 | { | |
1575 | struct hfi1_ibport *ibp = to_iport(ibdev, port); | |
6618c051 | 1576 | u8 *p = data; |
77241056 MM |
1577 | size_t size = ARRAY_SIZE(ibp->sc_to_sl); /* == 32 */ |
1578 | unsigned i; | |
1579 | ||
1580 | if (am) { | |
1581 | smp->status |= IB_SMP_INVALID_FIELD; | |
1582 | return reply((struct ib_mad_hdr *)smp); | |
1583 | } | |
1584 | ||
1585 | for (i = 0; i < ARRAY_SIZE(ibp->sc_to_sl); i++) | |
1586 | *p++ = ibp->sc_to_sl[i]; | |
1587 | ||
1588 | if (resp_len) | |
1589 | *resp_len += size; | |
1590 | ||
1591 | return reply((struct ib_mad_hdr *)smp); | |
1592 | } | |
1593 | ||
1594 | static int __subn_set_opa_sc_to_sl(struct opa_smp *smp, u32 am, u8 *data, | |
1595 | struct ib_device *ibdev, u8 port, | |
1596 | u32 *resp_len) | |
1597 | { | |
1598 | struct hfi1_ibport *ibp = to_iport(ibdev, port); | |
6618c051 | 1599 | u8 *p = data; |
77241056 MM |
1600 | int i; |
1601 | ||
1602 | if (am) { | |
1603 | smp->status |= IB_SMP_INVALID_FIELD; | |
1604 | return reply((struct ib_mad_hdr *)smp); | |
1605 | } | |
1606 | ||
1607 | for (i = 0; i < ARRAY_SIZE(ibp->sc_to_sl); i++) | |
1608 | ibp->sc_to_sl[i] = *p++; | |
1609 | ||
1610 | return __subn_get_opa_sc_to_sl(smp, am, data, ibdev, port, resp_len); | |
1611 | } | |
1612 | ||
1613 | static int __subn_get_opa_sc_to_vlt(struct opa_smp *smp, u32 am, u8 *data, | |
1614 | struct ib_device *ibdev, u8 port, | |
1615 | u32 *resp_len) | |
1616 | { | |
1617 | u32 n_blocks = OPA_AM_NBLK(am); | |
1618 | struct hfi1_devdata *dd = dd_from_ibdev(ibdev); | |
50e5dcbe | 1619 | void *vp = (void *)data; |
77241056 MM |
1620 | size_t size = 4 * sizeof(u64); |
1621 | ||
1622 | if (n_blocks != 1) { | |
1623 | smp->status |= IB_SMP_INVALID_FIELD; | |
1624 | return reply((struct ib_mad_hdr *)smp); | |
1625 | } | |
1626 | ||
1627 | get_sc2vlt_tables(dd, vp); | |
1628 | ||
1629 | if (resp_len) | |
1630 | *resp_len += size; | |
1631 | ||
1632 | return reply((struct ib_mad_hdr *)smp); | |
1633 | } | |
1634 | ||
1635 | static int __subn_set_opa_sc_to_vlt(struct opa_smp *smp, u32 am, u8 *data, | |
1636 | struct ib_device *ibdev, u8 port, | |
1637 | u32 *resp_len) | |
1638 | { | |
1639 | u32 n_blocks = OPA_AM_NBLK(am); | |
1640 | int async_update = OPA_AM_ASYNC(am); | |
1641 | struct hfi1_devdata *dd = dd_from_ibdev(ibdev); | |
50e5dcbe | 1642 | void *vp = (void *)data; |
77241056 MM |
1643 | struct hfi1_pportdata *ppd; |
1644 | int lstate; | |
1645 | ||
1646 | if (n_blocks != 1 || async_update) { | |
1647 | smp->status |= IB_SMP_INVALID_FIELD; | |
1648 | return reply((struct ib_mad_hdr *)smp); | |
1649 | } | |
1650 | ||
1651 | /* IB numbers ports from 1, hw from 0 */ | |
1652 | ppd = dd->pport + (port - 1); | |
1653 | lstate = driver_lstate(ppd); | |
4d114fdd JJ |
1654 | /* |
1655 | * it's known that async_update is 0 by this point, but include | |
1656 | * the explicit check for clarity | |
1657 | */ | |
77241056 MM |
1658 | if (!async_update && |
1659 | (lstate == IB_PORT_ARMED || lstate == IB_PORT_ACTIVE)) { | |
1660 | smp->status |= IB_SMP_INVALID_FIELD; | |
1661 | return reply((struct ib_mad_hdr *)smp); | |
1662 | } | |
1663 | ||
1664 | set_sc2vlt_tables(dd, vp); | |
1665 | ||
1666 | return __subn_get_opa_sc_to_vlt(smp, am, data, ibdev, port, resp_len); | |
1667 | } | |
1668 | ||
1669 | static int __subn_get_opa_sc_to_vlnt(struct opa_smp *smp, u32 am, u8 *data, | |
1670 | struct ib_device *ibdev, u8 port, | |
1671 | u32 *resp_len) | |
1672 | { | |
1673 | u32 n_blocks = OPA_AM_NPORT(am); | |
1674 | struct hfi1_devdata *dd = dd_from_ibdev(ibdev); | |
1675 | struct hfi1_pportdata *ppd; | |
50e5dcbe | 1676 | void *vp = (void *)data; |
77241056 MM |
1677 | int size; |
1678 | ||
1679 | if (n_blocks != 1) { | |
1680 | smp->status |= IB_SMP_INVALID_FIELD; | |
1681 | return reply((struct ib_mad_hdr *)smp); | |
1682 | } | |
1683 | ||
1684 | ppd = dd->pport + (port - 1); | |
1685 | ||
1686 | size = fm_get_table(ppd, FM_TBL_SC2VLNT, vp); | |
1687 | ||
1688 | if (resp_len) | |
1689 | *resp_len += size; | |
1690 | ||
1691 | return reply((struct ib_mad_hdr *)smp); | |
1692 | } | |
1693 | ||
1694 | static int __subn_set_opa_sc_to_vlnt(struct opa_smp *smp, u32 am, u8 *data, | |
1695 | struct ib_device *ibdev, u8 port, | |
1696 | u32 *resp_len) | |
1697 | { | |
1698 | u32 n_blocks = OPA_AM_NPORT(am); | |
1699 | struct hfi1_devdata *dd = dd_from_ibdev(ibdev); | |
1700 | struct hfi1_pportdata *ppd; | |
50e5dcbe | 1701 | void *vp = (void *)data; |
77241056 MM |
1702 | int lstate; |
1703 | ||
1704 | if (n_blocks != 1) { | |
1705 | smp->status |= IB_SMP_INVALID_FIELD; | |
1706 | return reply((struct ib_mad_hdr *)smp); | |
1707 | } | |
1708 | ||
1709 | /* IB numbers ports from 1, hw from 0 */ | |
1710 | ppd = dd->pport + (port - 1); | |
1711 | lstate = driver_lstate(ppd); | |
1712 | if (lstate == IB_PORT_ARMED || lstate == IB_PORT_ACTIVE) { | |
1713 | smp->status |= IB_SMP_INVALID_FIELD; | |
1714 | return reply((struct ib_mad_hdr *)smp); | |
1715 | } | |
1716 | ||
1717 | ppd = dd->pport + (port - 1); | |
1718 | ||
1719 | fm_set_table(ppd, FM_TBL_SC2VLNT, vp); | |
1720 | ||
1721 | return __subn_get_opa_sc_to_vlnt(smp, am, data, ibdev, port, | |
1722 | resp_len); | |
1723 | } | |
1724 | ||
1725 | static int __subn_get_opa_psi(struct opa_smp *smp, u32 am, u8 *data, | |
1726 | struct ib_device *ibdev, u8 port, | |
1727 | u32 *resp_len) | |
1728 | { | |
1729 | u32 nports = OPA_AM_NPORT(am); | |
1730 | u32 start_of_sm_config = OPA_AM_START_SM_CFG(am); | |
1731 | u32 lstate; | |
1732 | struct hfi1_ibport *ibp; | |
1733 | struct hfi1_pportdata *ppd; | |
50e5dcbe | 1734 | struct opa_port_state_info *psi = (struct opa_port_state_info *)data; |
77241056 MM |
1735 | |
1736 | if (nports != 1) { | |
1737 | smp->status |= IB_SMP_INVALID_FIELD; | |
1738 | return reply((struct ib_mad_hdr *)smp); | |
1739 | } | |
1740 | ||
1741 | ibp = to_iport(ibdev, port); | |
1742 | ppd = ppd_from_ibp(ibp); | |
1743 | ||
1744 | lstate = driver_lstate(ppd); | |
1745 | ||
1746 | if (start_of_sm_config && (lstate == IB_PORT_INIT)) | |
1747 | ppd->is_sm_config_started = 1; | |
1748 | ||
77241056 MM |
1749 | psi->port_states.ledenable_offlinereason = ppd->neighbor_normal << 4; |
1750 | psi->port_states.ledenable_offlinereason |= | |
1751 | ppd->is_sm_config_started << 5; | |
1752 | psi->port_states.ledenable_offlinereason |= | |
a9c05e35 | 1753 | ppd->offline_disabled_reason; |
77241056 MM |
1754 | |
1755 | psi->port_states.portphysstate_portstate = | |
1756 | (hfi1_ibphys_portstate(ppd) << 4) | (lstate & 0xf); | |
1757 | psi->link_width_downgrade_tx_active = | |
aadfc3b2 | 1758 | cpu_to_be16(ppd->link_width_downgrade_tx_active); |
77241056 | 1759 | psi->link_width_downgrade_rx_active = |
aadfc3b2 | 1760 | cpu_to_be16(ppd->link_width_downgrade_rx_active); |
77241056 MM |
1761 | if (resp_len) |
1762 | *resp_len += sizeof(struct opa_port_state_info); | |
1763 | ||
1764 | return reply((struct ib_mad_hdr *)smp); | |
1765 | } | |
1766 | ||
1767 | static int __subn_set_opa_psi(struct opa_smp *smp, u32 am, u8 *data, | |
1768 | struct ib_device *ibdev, u8 port, | |
1769 | u32 *resp_len) | |
1770 | { | |
1771 | u32 nports = OPA_AM_NPORT(am); | |
1772 | u32 start_of_sm_config = OPA_AM_START_SM_CFG(am); | |
1773 | u32 ls_old; | |
1774 | u8 ls_new, ps_new; | |
1775 | struct hfi1_ibport *ibp; | |
1776 | struct hfi1_pportdata *ppd; | |
50e5dcbe | 1777 | struct opa_port_state_info *psi = (struct opa_port_state_info *)data; |
77241056 MM |
1778 | int ret, invalid = 0; |
1779 | ||
1780 | if (nports != 1) { | |
1781 | smp->status |= IB_SMP_INVALID_FIELD; | |
1782 | return reply((struct ib_mad_hdr *)smp); | |
1783 | } | |
1784 | ||
1785 | ibp = to_iport(ibdev, port); | |
1786 | ppd = ppd_from_ibp(ibp); | |
1787 | ||
1788 | ls_old = driver_lstate(ppd); | |
1789 | ||
1790 | ls_new = port_states_to_logical_state(&psi->port_states); | |
1791 | ps_new = port_states_to_phys_state(&psi->port_states); | |
1792 | ||
1793 | if (ls_old == IB_PORT_INIT) { | |
1794 | if (start_of_sm_config) { | |
1795 | if (ls_new == ls_old || (ls_new == IB_PORT_ARMED)) | |
1796 | ppd->is_sm_config_started = 1; | |
1797 | } else if (ls_new == IB_PORT_ARMED) { | |
1798 | if (ppd->is_sm_config_started == 0) | |
1799 | invalid = 1; | |
1800 | } | |
1801 | } | |
1802 | ||
1803 | ret = set_port_states(ppd, smp, ls_new, ps_new, invalid); | |
1804 | if (ret) | |
1805 | return ret; | |
1806 | ||
1807 | if (invalid) | |
1808 | smp->status |= IB_SMP_INVALID_FIELD; | |
1809 | ||
1810 | return __subn_get_opa_psi(smp, am, data, ibdev, port, resp_len); | |
1811 | } | |
1812 | ||
1813 | static int __subn_get_opa_cable_info(struct opa_smp *smp, u32 am, u8 *data, | |
1814 | struct ib_device *ibdev, u8 port, | |
1815 | u32 *resp_len) | |
1816 | { | |
1817 | struct hfi1_devdata *dd = dd_from_ibdev(ibdev); | |
1818 | u32 addr = OPA_AM_CI_ADDR(am); | |
1819 | u32 len = OPA_AM_CI_LEN(am) + 1; | |
1820 | int ret; | |
1821 | ||
f29a08dc EH |
1822 | if (dd->pport->port_type != PORT_TYPE_QSFP) { |
1823 | smp->status |= IB_SMP_INVALID_FIELD; | |
1824 | return reply((struct ib_mad_hdr *)smp); | |
1825 | } | |
1826 | ||
349ac71f | 1827 | #define __CI_PAGE_SIZE BIT(7) /* 128 bytes */ |
77241056 MM |
1828 | #define __CI_PAGE_MASK ~(__CI_PAGE_SIZE - 1) |
1829 | #define __CI_PAGE_NUM(a) ((a) & __CI_PAGE_MASK) | |
1830 | ||
4d114fdd JJ |
1831 | /* |
1832 | * check that addr is within spec, and | |
1833 | * addr and (addr + len - 1) are on the same "page" | |
1834 | */ | |
77241056 | 1835 | if (addr >= 4096 || |
17fb4f29 | 1836 | (__CI_PAGE_NUM(addr) != __CI_PAGE_NUM(addr + len - 1))) { |
77241056 MM |
1837 | smp->status |= IB_SMP_INVALID_FIELD; |
1838 | return reply((struct ib_mad_hdr *)smp); | |
1839 | } | |
1840 | ||
1841 | ret = get_cable_info(dd, port, addr, len, data); | |
1842 | ||
1843 | if (ret == -ENODEV) { | |
1844 | smp->status |= IB_SMP_UNSUP_METH_ATTR; | |
1845 | return reply((struct ib_mad_hdr *)smp); | |
1846 | } | |
1847 | ||
1848 | /* The address range for the CableInfo SMA query is wider than the | |
1849 | * memory available on the QSFP cable. We want to return a valid | |
1850 | * response, albeit zeroed out, for address ranges beyond available | |
1851 | * memory but that are within the CableInfo query spec | |
1852 | */ | |
1853 | if (ret < 0 && ret != -ERANGE) { | |
1854 | smp->status |= IB_SMP_INVALID_FIELD; | |
1855 | return reply((struct ib_mad_hdr *)smp); | |
1856 | } | |
1857 | ||
1858 | if (resp_len) | |
1859 | *resp_len += len; | |
1860 | ||
1861 | return reply((struct ib_mad_hdr *)smp); | |
1862 | } | |
1863 | ||
1864 | static int __subn_get_opa_bct(struct opa_smp *smp, u32 am, u8 *data, | |
1865 | struct ib_device *ibdev, u8 port, u32 *resp_len) | |
1866 | { | |
1867 | u32 num_ports = OPA_AM_NPORT(am); | |
1868 | struct hfi1_devdata *dd = dd_from_ibdev(ibdev); | |
1869 | struct hfi1_pportdata *ppd; | |
50e5dcbe | 1870 | struct buffer_control *p = (struct buffer_control *)data; |
77241056 MM |
1871 | int size; |
1872 | ||
1873 | if (num_ports != 1) { | |
1874 | smp->status |= IB_SMP_INVALID_FIELD; | |
1875 | return reply((struct ib_mad_hdr *)smp); | |
1876 | } | |
1877 | ||
1878 | ppd = dd->pport + (port - 1); | |
1879 | size = fm_get_table(ppd, FM_TBL_BUFFER_CONTROL, p); | |
1880 | trace_bct_get(dd, p); | |
1881 | if (resp_len) | |
1882 | *resp_len += size; | |
1883 | ||
1884 | return reply((struct ib_mad_hdr *)smp); | |
1885 | } | |
1886 | ||
1887 | static int __subn_set_opa_bct(struct opa_smp *smp, u32 am, u8 *data, | |
1888 | struct ib_device *ibdev, u8 port, u32 *resp_len) | |
1889 | { | |
1890 | u32 num_ports = OPA_AM_NPORT(am); | |
1891 | struct hfi1_devdata *dd = dd_from_ibdev(ibdev); | |
1892 | struct hfi1_pportdata *ppd; | |
50e5dcbe | 1893 | struct buffer_control *p = (struct buffer_control *)data; |
77241056 MM |
1894 | |
1895 | if (num_ports != 1) { | |
1896 | smp->status |= IB_SMP_INVALID_FIELD; | |
1897 | return reply((struct ib_mad_hdr *)smp); | |
1898 | } | |
1899 | ppd = dd->pport + (port - 1); | |
1900 | trace_bct_set(dd, p); | |
1901 | if (fm_set_table(ppd, FM_TBL_BUFFER_CONTROL, p) < 0) { | |
1902 | smp->status |= IB_SMP_INVALID_FIELD; | |
1903 | return reply((struct ib_mad_hdr *)smp); | |
1904 | } | |
1905 | ||
1906 | return __subn_get_opa_bct(smp, am, data, ibdev, port, resp_len); | |
1907 | } | |
1908 | ||
1909 | static int __subn_get_opa_vl_arb(struct opa_smp *smp, u32 am, u8 *data, | |
1910 | struct ib_device *ibdev, u8 port, | |
1911 | u32 *resp_len) | |
1912 | { | |
1913 | struct hfi1_pportdata *ppd = ppd_from_ibp(to_iport(ibdev, port)); | |
1914 | u32 num_ports = OPA_AM_NPORT(am); | |
1915 | u8 section = (am & 0x00ff0000) >> 16; | |
1916 | u8 *p = data; | |
1917 | int size = 0; | |
1918 | ||
1919 | if (num_ports != 1) { | |
1920 | smp->status |= IB_SMP_INVALID_FIELD; | |
1921 | return reply((struct ib_mad_hdr *)smp); | |
1922 | } | |
1923 | ||
1924 | switch (section) { | |
1925 | case OPA_VLARB_LOW_ELEMENTS: | |
1926 | size = fm_get_table(ppd, FM_TBL_VL_LOW_ARB, p); | |
1927 | break; | |
1928 | case OPA_VLARB_HIGH_ELEMENTS: | |
1929 | size = fm_get_table(ppd, FM_TBL_VL_HIGH_ARB, p); | |
1930 | break; | |
1931 | case OPA_VLARB_PREEMPT_ELEMENTS: | |
1932 | size = fm_get_table(ppd, FM_TBL_VL_PREEMPT_ELEMS, p); | |
1933 | break; | |
1934 | case OPA_VLARB_PREEMPT_MATRIX: | |
1935 | size = fm_get_table(ppd, FM_TBL_VL_PREEMPT_MATRIX, p); | |
1936 | break; | |
1937 | default: | |
1938 | pr_warn("OPA SubnGet(VL Arb) AM Invalid : 0x%x\n", | |
1939 | be32_to_cpu(smp->attr_mod)); | |
1940 | smp->status |= IB_SMP_INVALID_FIELD; | |
1941 | break; | |
1942 | } | |
1943 | ||
1944 | if (size > 0 && resp_len) | |
1945 | *resp_len += size; | |
1946 | ||
1947 | return reply((struct ib_mad_hdr *)smp); | |
1948 | } | |
1949 | ||
1950 | static int __subn_set_opa_vl_arb(struct opa_smp *smp, u32 am, u8 *data, | |
1951 | struct ib_device *ibdev, u8 port, | |
1952 | u32 *resp_len) | |
1953 | { | |
1954 | struct hfi1_pportdata *ppd = ppd_from_ibp(to_iport(ibdev, port)); | |
1955 | u32 num_ports = OPA_AM_NPORT(am); | |
1956 | u8 section = (am & 0x00ff0000) >> 16; | |
1957 | u8 *p = data; | |
1958 | ||
1959 | if (num_ports != 1) { | |
1960 | smp->status |= IB_SMP_INVALID_FIELD; | |
1961 | return reply((struct ib_mad_hdr *)smp); | |
1962 | } | |
1963 | ||
1964 | switch (section) { | |
1965 | case OPA_VLARB_LOW_ELEMENTS: | |
50e5dcbe | 1966 | (void)fm_set_table(ppd, FM_TBL_VL_LOW_ARB, p); |
77241056 MM |
1967 | break; |
1968 | case OPA_VLARB_HIGH_ELEMENTS: | |
50e5dcbe | 1969 | (void)fm_set_table(ppd, FM_TBL_VL_HIGH_ARB, p); |
77241056 | 1970 | break; |
4d114fdd JJ |
1971 | /* |
1972 | * neither OPA_VLARB_PREEMPT_ELEMENTS, or OPA_VLARB_PREEMPT_MATRIX | |
1973 | * can be changed from the default values | |
1974 | */ | |
77241056 MM |
1975 | case OPA_VLARB_PREEMPT_ELEMENTS: |
1976 | /* FALLTHROUGH */ | |
1977 | case OPA_VLARB_PREEMPT_MATRIX: | |
1978 | smp->status |= IB_SMP_UNSUP_METH_ATTR; | |
1979 | break; | |
1980 | default: | |
1981 | pr_warn("OPA SubnSet(VL Arb) AM Invalid : 0x%x\n", | |
1982 | be32_to_cpu(smp->attr_mod)); | |
1983 | smp->status |= IB_SMP_INVALID_FIELD; | |
1984 | break; | |
1985 | } | |
1986 | ||
1987 | return __subn_get_opa_vl_arb(smp, am, data, ibdev, port, resp_len); | |
1988 | } | |
1989 | ||
1990 | struct opa_pma_mad { | |
1991 | struct ib_mad_hdr mad_hdr; | |
1992 | u8 data[2024]; | |
1993 | } __packed; | |
1994 | ||
1995 | struct opa_class_port_info { | |
1996 | u8 base_version; | |
1997 | u8 class_version; | |
1998 | __be16 cap_mask; | |
1999 | __be32 cap_mask2_resp_time; | |
2000 | ||
2001 | u8 redirect_gid[16]; | |
2002 | __be32 redirect_tc_fl; | |
2003 | __be32 redirect_lid; | |
2004 | __be32 redirect_sl_qp; | |
2005 | __be32 redirect_qkey; | |
2006 | ||
2007 | u8 trap_gid[16]; | |
2008 | __be32 trap_tc_fl; | |
2009 | __be32 trap_lid; | |
2010 | __be32 trap_hl_qp; | |
2011 | __be32 trap_qkey; | |
2012 | ||
2013 | __be16 trap_pkey; | |
2014 | __be16 redirect_pkey; | |
2015 | ||
2016 | u8 trap_sl_rsvd; | |
2017 | u8 reserved[3]; | |
2018 | } __packed; | |
2019 | ||
2020 | struct opa_port_status_req { | |
2021 | __u8 port_num; | |
2022 | __u8 reserved[3]; | |
2023 | __be32 vl_select_mask; | |
2024 | }; | |
2025 | ||
2026 | #define VL_MASK_ALL 0x000080ff | |
2027 | ||
2028 | struct opa_port_status_rsp { | |
2029 | __u8 port_num; | |
2030 | __u8 reserved[3]; | |
2031 | __be32 vl_select_mask; | |
2032 | ||
2033 | /* Data counters */ | |
2034 | __be64 port_xmit_data; | |
2035 | __be64 port_rcv_data; | |
2036 | __be64 port_xmit_pkts; | |
2037 | __be64 port_rcv_pkts; | |
2038 | __be64 port_multicast_xmit_pkts; | |
2039 | __be64 port_multicast_rcv_pkts; | |
2040 | __be64 port_xmit_wait; | |
2041 | __be64 sw_port_congestion; | |
2042 | __be64 port_rcv_fecn; | |
2043 | __be64 port_rcv_becn; | |
2044 | __be64 port_xmit_time_cong; | |
2045 | __be64 port_xmit_wasted_bw; | |
2046 | __be64 port_xmit_wait_data; | |
2047 | __be64 port_rcv_bubble; | |
2048 | __be64 port_mark_fecn; | |
2049 | /* Error counters */ | |
2050 | __be64 port_rcv_constraint_errors; | |
2051 | __be64 port_rcv_switch_relay_errors; | |
2052 | __be64 port_xmit_discards; | |
2053 | __be64 port_xmit_constraint_errors; | |
2054 | __be64 port_rcv_remote_physical_errors; | |
2055 | __be64 local_link_integrity_errors; | |
2056 | __be64 port_rcv_errors; | |
2057 | __be64 excessive_buffer_overruns; | |
2058 | __be64 fm_config_errors; | |
2059 | __be32 link_error_recovery; | |
2060 | __be32 link_downed; | |
2061 | u8 uncorrectable_errors; | |
2062 | ||
2063 | u8 link_quality_indicator; /* 5res, 3bit */ | |
2064 | u8 res2[6]; | |
2065 | struct _vls_pctrs { | |
2066 | /* per-VL Data counters */ | |
2067 | __be64 port_vl_xmit_data; | |
2068 | __be64 port_vl_rcv_data; | |
2069 | __be64 port_vl_xmit_pkts; | |
2070 | __be64 port_vl_rcv_pkts; | |
2071 | __be64 port_vl_xmit_wait; | |
2072 | __be64 sw_port_vl_congestion; | |
2073 | __be64 port_vl_rcv_fecn; | |
2074 | __be64 port_vl_rcv_becn; | |
2075 | __be64 port_xmit_time_cong; | |
2076 | __be64 port_vl_xmit_wasted_bw; | |
2077 | __be64 port_vl_xmit_wait_data; | |
2078 | __be64 port_vl_rcv_bubble; | |
2079 | __be64 port_vl_mark_fecn; | |
2080 | __be64 port_vl_xmit_discards; | |
2081 | } vls[0]; /* real array size defined by # bits set in vl_select_mask */ | |
2082 | }; | |
2083 | ||
2084 | enum counter_selects { | |
2085 | CS_PORT_XMIT_DATA = (1 << 31), | |
2086 | CS_PORT_RCV_DATA = (1 << 30), | |
2087 | CS_PORT_XMIT_PKTS = (1 << 29), | |
2088 | CS_PORT_RCV_PKTS = (1 << 28), | |
2089 | CS_PORT_MCAST_XMIT_PKTS = (1 << 27), | |
2090 | CS_PORT_MCAST_RCV_PKTS = (1 << 26), | |
2091 | CS_PORT_XMIT_WAIT = (1 << 25), | |
2092 | CS_SW_PORT_CONGESTION = (1 << 24), | |
2093 | CS_PORT_RCV_FECN = (1 << 23), | |
2094 | CS_PORT_RCV_BECN = (1 << 22), | |
2095 | CS_PORT_XMIT_TIME_CONG = (1 << 21), | |
2096 | CS_PORT_XMIT_WASTED_BW = (1 << 20), | |
2097 | CS_PORT_XMIT_WAIT_DATA = (1 << 19), | |
2098 | CS_PORT_RCV_BUBBLE = (1 << 18), | |
2099 | CS_PORT_MARK_FECN = (1 << 17), | |
2100 | CS_PORT_RCV_CONSTRAINT_ERRORS = (1 << 16), | |
2101 | CS_PORT_RCV_SWITCH_RELAY_ERRORS = (1 << 15), | |
2102 | CS_PORT_XMIT_DISCARDS = (1 << 14), | |
2103 | CS_PORT_XMIT_CONSTRAINT_ERRORS = (1 << 13), | |
2104 | CS_PORT_RCV_REMOTE_PHYSICAL_ERRORS = (1 << 12), | |
2105 | CS_LOCAL_LINK_INTEGRITY_ERRORS = (1 << 11), | |
2106 | CS_PORT_RCV_ERRORS = (1 << 10), | |
2107 | CS_EXCESSIVE_BUFFER_OVERRUNS = (1 << 9), | |
2108 | CS_FM_CONFIG_ERRORS = (1 << 8), | |
2109 | CS_LINK_ERROR_RECOVERY = (1 << 7), | |
2110 | CS_LINK_DOWNED = (1 << 6), | |
2111 | CS_UNCORRECTABLE_ERRORS = (1 << 5), | |
2112 | }; | |
2113 | ||
2114 | struct opa_clear_port_status { | |
2115 | __be64 port_select_mask[4]; | |
2116 | __be32 counter_select_mask; | |
2117 | }; | |
2118 | ||
2119 | struct opa_aggregate { | |
2120 | __be16 attr_id; | |
2121 | __be16 err_reqlength; /* 1 bit, 8 res, 7 bit */ | |
2122 | __be32 attr_mod; | |
2123 | u8 data[0]; | |
2124 | }; | |
2125 | ||
f0852922 AL |
2126 | #define MSK_LLI 0x000000f0 |
2127 | #define MSK_LLI_SFT 4 | |
2128 | #define MSK_LER 0x0000000f | |
2129 | #define MSK_LER_SFT 0 | |
2130 | #define ADD_LLI 8 | |
2131 | #define ADD_LER 2 | |
2132 | ||
2133 | /* Request contains first three fields, response contains those plus the rest */ | |
77241056 MM |
2134 | struct opa_port_data_counters_msg { |
2135 | __be64 port_select_mask[4]; | |
2136 | __be32 vl_select_mask; | |
f0852922 | 2137 | __be32 resolution; |
77241056 MM |
2138 | |
2139 | /* Response fields follow */ | |
77241056 MM |
2140 | struct _port_dctrs { |
2141 | u8 port_number; | |
2142 | u8 reserved2[3]; | |
2143 | __be32 link_quality_indicator; /* 29res, 3bit */ | |
2144 | ||
2145 | /* Data counters */ | |
2146 | __be64 port_xmit_data; | |
2147 | __be64 port_rcv_data; | |
2148 | __be64 port_xmit_pkts; | |
2149 | __be64 port_rcv_pkts; | |
2150 | __be64 port_multicast_xmit_pkts; | |
2151 | __be64 port_multicast_rcv_pkts; | |
2152 | __be64 port_xmit_wait; | |
2153 | __be64 sw_port_congestion; | |
2154 | __be64 port_rcv_fecn; | |
2155 | __be64 port_rcv_becn; | |
2156 | __be64 port_xmit_time_cong; | |
2157 | __be64 port_xmit_wasted_bw; | |
2158 | __be64 port_xmit_wait_data; | |
2159 | __be64 port_rcv_bubble; | |
2160 | __be64 port_mark_fecn; | |
2161 | ||
2162 | __be64 port_error_counter_summary; | |
2163 | /* Sum of error counts/port */ | |
2164 | ||
2165 | struct _vls_dctrs { | |
2166 | /* per-VL Data counters */ | |
2167 | __be64 port_vl_xmit_data; | |
2168 | __be64 port_vl_rcv_data; | |
2169 | __be64 port_vl_xmit_pkts; | |
2170 | __be64 port_vl_rcv_pkts; | |
2171 | __be64 port_vl_xmit_wait; | |
2172 | __be64 sw_port_vl_congestion; | |
2173 | __be64 port_vl_rcv_fecn; | |
2174 | __be64 port_vl_rcv_becn; | |
2175 | __be64 port_xmit_time_cong; | |
2176 | __be64 port_vl_xmit_wasted_bw; | |
2177 | __be64 port_vl_xmit_wait_data; | |
2178 | __be64 port_vl_rcv_bubble; | |
2179 | __be64 port_vl_mark_fecn; | |
2180 | } vls[0]; | |
2181 | /* array size defined by #bits set in vl_select_mask*/ | |
2182 | } port[1]; /* array size defined by #ports in attribute modifier */ | |
2183 | }; | |
2184 | ||
2185 | struct opa_port_error_counters64_msg { | |
4d114fdd JJ |
2186 | /* |
2187 | * Request contains first two fields, response contains the | |
2188 | * whole magilla | |
2189 | */ | |
77241056 MM |
2190 | __be64 port_select_mask[4]; |
2191 | __be32 vl_select_mask; | |
2192 | ||
2193 | /* Response-only fields follow */ | |
2194 | __be32 reserved1; | |
2195 | struct _port_ectrs { | |
2196 | u8 port_number; | |
2197 | u8 reserved2[7]; | |
2198 | __be64 port_rcv_constraint_errors; | |
2199 | __be64 port_rcv_switch_relay_errors; | |
2200 | __be64 port_xmit_discards; | |
2201 | __be64 port_xmit_constraint_errors; | |
2202 | __be64 port_rcv_remote_physical_errors; | |
2203 | __be64 local_link_integrity_errors; | |
2204 | __be64 port_rcv_errors; | |
2205 | __be64 excessive_buffer_overruns; | |
2206 | __be64 fm_config_errors; | |
2207 | __be32 link_error_recovery; | |
2208 | __be32 link_downed; | |
2209 | u8 uncorrectable_errors; | |
2210 | u8 reserved3[7]; | |
2211 | struct _vls_ectrs { | |
2212 | __be64 port_vl_xmit_discards; | |
2213 | } vls[0]; | |
2214 | /* array size defined by #bits set in vl_select_mask */ | |
2215 | } port[1]; /* array size defined by #ports in attribute modifier */ | |
2216 | }; | |
2217 | ||
2218 | struct opa_port_error_info_msg { | |
2219 | __be64 port_select_mask[4]; | |
2220 | __be32 error_info_select_mask; | |
2221 | __be32 reserved1; | |
2222 | struct _port_ei { | |
77241056 MM |
2223 | u8 port_number; |
2224 | u8 reserved2[7]; | |
2225 | ||
2226 | /* PortRcvErrorInfo */ | |
2227 | struct { | |
2228 | u8 status_and_code; | |
2229 | union { | |
2230 | u8 raw[17]; | |
2231 | struct { | |
2232 | /* EI1to12 format */ | |
2233 | u8 packet_flit1[8]; | |
2234 | u8 packet_flit2[8]; | |
2235 | u8 remaining_flit_bits12; | |
2236 | } ei1to12; | |
2237 | struct { | |
2238 | u8 packet_bytes[8]; | |
2239 | u8 remaining_flit_bits; | |
2240 | } ei13; | |
2241 | } ei; | |
2242 | u8 reserved3[6]; | |
2243 | } __packed port_rcv_ei; | |
2244 | ||
2245 | /* ExcessiveBufferOverrunInfo */ | |
2246 | struct { | |
2247 | u8 status_and_sc; | |
2248 | u8 reserved4[7]; | |
2249 | } __packed excessive_buffer_overrun_ei; | |
2250 | ||
2251 | /* PortXmitConstraintErrorInfo */ | |
2252 | struct { | |
2253 | u8 status; | |
2254 | u8 reserved5; | |
2255 | __be16 pkey; | |
2256 | __be32 slid; | |
2257 | } __packed port_xmit_constraint_ei; | |
2258 | ||
2259 | /* PortRcvConstraintErrorInfo */ | |
2260 | struct { | |
2261 | u8 status; | |
2262 | u8 reserved6; | |
2263 | __be16 pkey; | |
2264 | __be32 slid; | |
2265 | } __packed port_rcv_constraint_ei; | |
2266 | ||
2267 | /* PortRcvSwitchRelayErrorInfo */ | |
2268 | struct { | |
2269 | u8 status_and_code; | |
2270 | u8 reserved7[3]; | |
2271 | __u32 error_info; | |
2272 | } __packed port_rcv_switch_relay_ei; | |
2273 | ||
2274 | /* UncorrectableErrorInfo */ | |
2275 | struct { | |
2276 | u8 status_and_code; | |
2277 | u8 reserved8; | |
2278 | } __packed uncorrectable_ei; | |
2279 | ||
2280 | /* FMConfigErrorInfo */ | |
2281 | struct { | |
2282 | u8 status_and_code; | |
2283 | u8 error_info; | |
2284 | } __packed fm_config_ei; | |
2285 | __u32 reserved9; | |
2286 | } port[1]; /* actual array size defined by #ports in attr modifier */ | |
2287 | }; | |
2288 | ||
2289 | /* opa_port_error_info_msg error_info_select_mask bit definitions */ | |
2290 | enum error_info_selects { | |
2291 | ES_PORT_RCV_ERROR_INFO = (1 << 31), | |
2292 | ES_EXCESSIVE_BUFFER_OVERRUN_INFO = (1 << 30), | |
2293 | ES_PORT_XMIT_CONSTRAINT_ERROR_INFO = (1 << 29), | |
2294 | ES_PORT_RCV_CONSTRAINT_ERROR_INFO = (1 << 28), | |
2295 | ES_PORT_RCV_SWITCH_RELAY_ERROR_INFO = (1 << 27), | |
2296 | ES_UNCORRECTABLE_ERROR_INFO = (1 << 26), | |
2297 | ES_FM_CONFIG_ERROR_INFO = (1 << 25) | |
2298 | }; | |
2299 | ||
2300 | static int pma_get_opa_classportinfo(struct opa_pma_mad *pmp, | |
17fb4f29 | 2301 | struct ib_device *ibdev, u32 *resp_len) |
77241056 MM |
2302 | { |
2303 | struct opa_class_port_info *p = | |
2304 | (struct opa_class_port_info *)pmp->data; | |
2305 | ||
2306 | memset(pmp->data, 0, sizeof(pmp->data)); | |
2307 | ||
2308 | if (pmp->mad_hdr.attr_mod != 0) | |
2309 | pmp->mad_hdr.status |= IB_SMP_INVALID_FIELD; | |
2310 | ||
2311 | p->base_version = OPA_MGMT_BASE_VERSION; | |
2312 | p->class_version = OPA_SMI_CLASS_VERSION; | |
2313 | /* | |
2314 | * Expected response time is 4.096 usec. * 2^18 == 1.073741824 sec. | |
2315 | */ | |
2316 | p->cap_mask2_resp_time = cpu_to_be32(18); | |
2317 | ||
2318 | if (resp_len) | |
2319 | *resp_len += sizeof(*p); | |
2320 | ||
2321 | return reply((struct ib_mad_hdr *)pmp); | |
2322 | } | |
2323 | ||
2324 | static void a0_portstatus(struct hfi1_pportdata *ppd, | |
2325 | struct opa_port_status_rsp *rsp, u32 vl_select_mask) | |
2326 | { | |
2327 | if (!is_bx(ppd->dd)) { | |
2328 | unsigned long vl; | |
d9d3e025 | 2329 | u64 sum_vl_xmit_wait = 0; |
77241056 | 2330 | u32 vl_all_mask = VL_MASK_ALL; |
77241056 MM |
2331 | |
2332 | for_each_set_bit(vl, (unsigned long *)&(vl_all_mask), | |
2333 | 8 * sizeof(vl_all_mask)) { | |
d9d3e025 IW |
2334 | u64 tmp = sum_vl_xmit_wait + |
2335 | read_port_cntr(ppd, C_TX_WAIT_VL, | |
2336 | idx_from_vl(vl)); | |
2337 | if (tmp < sum_vl_xmit_wait) { | |
2338 | /* we wrapped */ | |
2339 | sum_vl_xmit_wait = (u64)~0; | |
2340 | break; | |
2341 | } | |
2342 | sum_vl_xmit_wait = tmp; | |
77241056 | 2343 | } |
d9d3e025 IW |
2344 | if (be64_to_cpu(rsp->port_xmit_wait) > sum_vl_xmit_wait) |
2345 | rsp->port_xmit_wait = cpu_to_be64(sum_vl_xmit_wait); | |
77241056 MM |
2346 | } |
2347 | } | |
2348 | ||
77241056 | 2349 | static int pma_get_opa_portstatus(struct opa_pma_mad *pmp, |
17fb4f29 JJ |
2350 | struct ib_device *ibdev, |
2351 | u8 port, u32 *resp_len) | |
77241056 MM |
2352 | { |
2353 | struct opa_port_status_req *req = | |
2354 | (struct opa_port_status_req *)pmp->data; | |
2355 | struct hfi1_devdata *dd = dd_from_ibdev(ibdev); | |
2356 | struct opa_port_status_rsp *rsp; | |
2357 | u32 vl_select_mask = be32_to_cpu(req->vl_select_mask); | |
2358 | unsigned long vl; | |
2359 | size_t response_data_size; | |
2360 | u32 nports = be32_to_cpu(pmp->mad_hdr.attr_mod) >> 24; | |
2361 | u8 port_num = req->port_num; | |
2362 | u8 num_vls = hweight32(vl_select_mask); | |
2363 | struct _vls_pctrs *vlinfo; | |
2364 | struct hfi1_ibport *ibp = to_iport(ibdev, port); | |
2365 | struct hfi1_pportdata *ppd = ppd_from_ibp(ibp); | |
2366 | int vfi; | |
2367 | u64 tmp, tmp2; | |
2368 | ||
2369 | response_data_size = sizeof(struct opa_port_status_rsp) + | |
2370 | num_vls * sizeof(struct _vls_pctrs); | |
2371 | if (response_data_size > sizeof(pmp->data)) { | |
2372 | pmp->mad_hdr.status |= OPA_PM_STATUS_REQUEST_TOO_LARGE; | |
2373 | return reply((struct ib_mad_hdr *)pmp); | |
2374 | } | |
2375 | ||
d0d236ea JJ |
2376 | if (nports != 1 || (port_num && port_num != port) || |
2377 | num_vls > OPA_MAX_VLS || (vl_select_mask & ~VL_MASK_ALL)) { | |
77241056 MM |
2378 | pmp->mad_hdr.status |= IB_SMP_INVALID_FIELD; |
2379 | return reply((struct ib_mad_hdr *)pmp); | |
2380 | } | |
2381 | ||
2382 | memset(pmp->data, 0, sizeof(pmp->data)); | |
2383 | ||
2384 | rsp = (struct opa_port_status_rsp *)pmp->data; | |
2385 | if (port_num) | |
2386 | rsp->port_num = port_num; | |
2387 | else | |
2388 | rsp->port_num = port; | |
2389 | ||
2390 | rsp->port_rcv_constraint_errors = | |
2391 | cpu_to_be64(read_port_cntr(ppd, C_SW_RCV_CSTR_ERR, | |
2392 | CNTR_INVALID_VL)); | |
2393 | ||
2394 | hfi1_read_link_quality(dd, &rsp->link_quality_indicator); | |
2395 | ||
2396 | rsp->vl_select_mask = cpu_to_be32(vl_select_mask); | |
2397 | rsp->port_xmit_data = cpu_to_be64(read_dev_cntr(dd, C_DC_XMIT_FLITS, | |
2398 | CNTR_INVALID_VL)); | |
2399 | rsp->port_rcv_data = cpu_to_be64(read_dev_cntr(dd, C_DC_RCV_FLITS, | |
2400 | CNTR_INVALID_VL)); | |
77241056 MM |
2401 | rsp->port_xmit_pkts = cpu_to_be64(read_dev_cntr(dd, C_DC_XMIT_PKTS, |
2402 | CNTR_INVALID_VL)); | |
2403 | rsp->port_rcv_pkts = cpu_to_be64(read_dev_cntr(dd, C_DC_RCV_PKTS, | |
2404 | CNTR_INVALID_VL)); | |
2405 | rsp->port_multicast_xmit_pkts = | |
2406 | cpu_to_be64(read_dev_cntr(dd, C_DC_MC_XMIT_PKTS, | |
17fb4f29 | 2407 | CNTR_INVALID_VL)); |
77241056 MM |
2408 | rsp->port_multicast_rcv_pkts = |
2409 | cpu_to_be64(read_dev_cntr(dd, C_DC_MC_RCV_PKTS, | |
2410 | CNTR_INVALID_VL)); | |
2411 | rsp->port_xmit_wait = | |
2412 | cpu_to_be64(read_port_cntr(ppd, C_TX_WAIT, CNTR_INVALID_VL)); | |
2413 | rsp->port_rcv_fecn = | |
2414 | cpu_to_be64(read_dev_cntr(dd, C_DC_RCV_FCN, CNTR_INVALID_VL)); | |
2415 | rsp->port_rcv_becn = | |
2416 | cpu_to_be64(read_dev_cntr(dd, C_DC_RCV_BCN, CNTR_INVALID_VL)); | |
2417 | rsp->port_xmit_discards = | |
2418 | cpu_to_be64(read_port_cntr(ppd, C_SW_XMIT_DSCD, | |
2419 | CNTR_INVALID_VL)); | |
2420 | rsp->port_xmit_constraint_errors = | |
2421 | cpu_to_be64(read_port_cntr(ppd, C_SW_XMIT_CSTR_ERR, | |
2422 | CNTR_INVALID_VL)); | |
2423 | rsp->port_rcv_remote_physical_errors = | |
2424 | cpu_to_be64(read_dev_cntr(dd, C_DC_RMT_PHY_ERR, | |
2425 | CNTR_INVALID_VL)); | |
3210314a JP |
2426 | rsp->local_link_integrity_errors = |
2427 | cpu_to_be64(read_dev_cntr(dd, C_DC_RX_REPLAY, | |
2428 | CNTR_INVALID_VL)); | |
77241056 MM |
2429 | tmp = read_dev_cntr(dd, C_DC_SEQ_CRC_CNT, CNTR_INVALID_VL); |
2430 | tmp2 = tmp + read_dev_cntr(dd, C_DC_REINIT_FROM_PEER_CNT, | |
17fb4f29 | 2431 | CNTR_INVALID_VL); |
77241056 MM |
2432 | if (tmp2 > (u32)UINT_MAX || tmp2 < tmp) { |
2433 | /* overflow/wrapped */ | |
2434 | rsp->link_error_recovery = cpu_to_be32(~0); | |
2435 | } else { | |
2436 | rsp->link_error_recovery = cpu_to_be32(tmp2); | |
2437 | } | |
2438 | rsp->port_rcv_errors = | |
2439 | cpu_to_be64(read_dev_cntr(dd, C_DC_RCV_ERR, CNTR_INVALID_VL)); | |
2440 | rsp->excessive_buffer_overruns = | |
2441 | cpu_to_be64(read_dev_cntr(dd, C_RCV_OVF, CNTR_INVALID_VL)); | |
2442 | rsp->fm_config_errors = | |
2443 | cpu_to_be64(read_dev_cntr(dd, C_DC_FM_CFG_ERR, | |
2444 | CNTR_INVALID_VL)); | |
2445 | rsp->link_downed = cpu_to_be32(read_port_cntr(ppd, C_SW_LINK_DOWN, | |
17fb4f29 | 2446 | CNTR_INVALID_VL)); |
77241056 MM |
2447 | |
2448 | /* rsp->uncorrectable_errors is 8 bits wide, and it pegs at 0xff */ | |
2449 | tmp = read_dev_cntr(dd, C_DC_UNC_ERR, CNTR_INVALID_VL); | |
2450 | rsp->uncorrectable_errors = tmp < 0x100 ? (tmp & 0xff) : 0xff; | |
2451 | ||
58721b8f | 2452 | vlinfo = &rsp->vls[0]; |
77241056 MM |
2453 | vfi = 0; |
2454 | /* The vl_select_mask has been checked above, and we know | |
2455 | * that it contains only entries which represent valid VLs. | |
2456 | * So in the for_each_set_bit() loop below, we don't need | |
2457 | * any additional checks for vl. | |
2458 | */ | |
2459 | for_each_set_bit(vl, (unsigned long *)&(vl_select_mask), | |
2460 | 8 * sizeof(vl_select_mask)) { | |
2461 | memset(vlinfo, 0, sizeof(*vlinfo)); | |
2462 | ||
2463 | tmp = read_dev_cntr(dd, C_DC_RX_FLIT_VL, idx_from_vl(vl)); | |
2464 | rsp->vls[vfi].port_vl_rcv_data = cpu_to_be64(tmp); | |
77241056 MM |
2465 | |
2466 | rsp->vls[vfi].port_vl_rcv_pkts = | |
2467 | cpu_to_be64(read_dev_cntr(dd, C_DC_RX_PKT_VL, | |
17fb4f29 | 2468 | idx_from_vl(vl))); |
77241056 MM |
2469 | |
2470 | rsp->vls[vfi].port_vl_xmit_data = | |
2471 | cpu_to_be64(read_port_cntr(ppd, C_TX_FLIT_VL, | |
17fb4f29 | 2472 | idx_from_vl(vl))); |
77241056 MM |
2473 | |
2474 | rsp->vls[vfi].port_vl_xmit_pkts = | |
2475 | cpu_to_be64(read_port_cntr(ppd, C_TX_PKT_VL, | |
17fb4f29 | 2476 | idx_from_vl(vl))); |
77241056 MM |
2477 | |
2478 | rsp->vls[vfi].port_vl_xmit_wait = | |
2479 | cpu_to_be64(read_port_cntr(ppd, C_TX_WAIT_VL, | |
17fb4f29 | 2480 | idx_from_vl(vl))); |
77241056 MM |
2481 | |
2482 | rsp->vls[vfi].port_vl_rcv_fecn = | |
2483 | cpu_to_be64(read_dev_cntr(dd, C_DC_RCV_FCN_VL, | |
17fb4f29 | 2484 | idx_from_vl(vl))); |
77241056 MM |
2485 | |
2486 | rsp->vls[vfi].port_vl_rcv_becn = | |
2487 | cpu_to_be64(read_dev_cntr(dd, C_DC_RCV_BCN_VL, | |
17fb4f29 | 2488 | idx_from_vl(vl))); |
77241056 | 2489 | |
583eb8b8 JP |
2490 | rsp->vls[vfi].port_vl_xmit_discards = |
2491 | cpu_to_be64(read_port_cntr(ppd, C_SW_XMIT_DSCD_VL, | |
2492 | idx_from_vl(vl))); | |
77241056 MM |
2493 | vlinfo++; |
2494 | vfi++; | |
2495 | } | |
2496 | ||
2497 | a0_portstatus(ppd, rsp, vl_select_mask); | |
2498 | ||
2499 | if (resp_len) | |
2500 | *resp_len += response_data_size; | |
2501 | ||
2502 | return reply((struct ib_mad_hdr *)pmp); | |
2503 | } | |
2504 | ||
f0852922 AL |
2505 | static u64 get_error_counter_summary(struct ib_device *ibdev, u8 port, |
2506 | u8 res_lli, u8 res_ler) | |
77241056 MM |
2507 | { |
2508 | struct hfi1_devdata *dd = dd_from_ibdev(ibdev); | |
2509 | struct hfi1_ibport *ibp = to_iport(ibdev, port); | |
2510 | struct hfi1_pportdata *ppd = ppd_from_ibp(ibp); | |
2511 | u64 error_counter_summary = 0, tmp; | |
2512 | ||
2513 | error_counter_summary += read_port_cntr(ppd, C_SW_RCV_CSTR_ERR, | |
2514 | CNTR_INVALID_VL); | |
2515 | /* port_rcv_switch_relay_errors is 0 for HFIs */ | |
2516 | error_counter_summary += read_port_cntr(ppd, C_SW_XMIT_DSCD, | |
2517 | CNTR_INVALID_VL); | |
2518 | error_counter_summary += read_port_cntr(ppd, C_SW_XMIT_CSTR_ERR, | |
2519 | CNTR_INVALID_VL); | |
2520 | error_counter_summary += read_dev_cntr(dd, C_DC_RMT_PHY_ERR, | |
17fb4f29 | 2521 | CNTR_INVALID_VL); |
f0852922 | 2522 | /* local link integrity must be right-shifted by the lli resolution */ |
3210314a JP |
2523 | error_counter_summary += (read_dev_cntr(dd, C_DC_RX_REPLAY, |
2524 | CNTR_INVALID_VL) >> res_lli); | |
f0852922 AL |
2525 | /* link error recovery must b right-shifted by the ler resolution */ |
2526 | tmp = read_dev_cntr(dd, C_DC_SEQ_CRC_CNT, CNTR_INVALID_VL); | |
2527 | tmp += read_dev_cntr(dd, C_DC_REINIT_FROM_PEER_CNT, CNTR_INVALID_VL); | |
2528 | error_counter_summary += (tmp >> res_ler); | |
77241056 | 2529 | error_counter_summary += read_dev_cntr(dd, C_DC_RCV_ERR, |
17fb4f29 | 2530 | CNTR_INVALID_VL); |
77241056 MM |
2531 | error_counter_summary += read_dev_cntr(dd, C_RCV_OVF, CNTR_INVALID_VL); |
2532 | error_counter_summary += read_dev_cntr(dd, C_DC_FM_CFG_ERR, | |
17fb4f29 | 2533 | CNTR_INVALID_VL); |
77241056 MM |
2534 | /* ppd->link_downed is a 32-bit value */ |
2535 | error_counter_summary += read_port_cntr(ppd, C_SW_LINK_DOWN, | |
2536 | CNTR_INVALID_VL); | |
2537 | tmp = read_dev_cntr(dd, C_DC_UNC_ERR, CNTR_INVALID_VL); | |
2538 | /* this is an 8-bit quantity */ | |
2539 | error_counter_summary += tmp < 0x100 ? (tmp & 0xff) : 0xff; | |
2540 | ||
2541 | return error_counter_summary; | |
2542 | } | |
2543 | ||
d9d3e025 | 2544 | static void a0_datacounters(struct hfi1_pportdata *ppd, struct _port_dctrs *rsp, |
77241056 MM |
2545 | u32 vl_select_mask) |
2546 | { | |
d9d3e025 | 2547 | if (!is_bx(ppd->dd)) { |
77241056 | 2548 | unsigned long vl; |
db00a055 | 2549 | u64 sum_vl_xmit_wait = 0; |
d9d3e025 | 2550 | u32 vl_all_mask = VL_MASK_ALL; |
db00a055 | 2551 | |
d9d3e025 IW |
2552 | for_each_set_bit(vl, (unsigned long *)&(vl_all_mask), |
2553 | 8 * sizeof(vl_all_mask)) { | |
77241056 | 2554 | u64 tmp = sum_vl_xmit_wait + |
d9d3e025 IW |
2555 | read_port_cntr(ppd, C_TX_WAIT_VL, |
2556 | idx_from_vl(vl)); | |
77241056 MM |
2557 | if (tmp < sum_vl_xmit_wait) { |
2558 | /* we wrapped */ | |
50e5dcbe | 2559 | sum_vl_xmit_wait = (u64)~0; |
77241056 MM |
2560 | break; |
2561 | } | |
2562 | sum_vl_xmit_wait = tmp; | |
2563 | } | |
2564 | if (be64_to_cpu(rsp->port_xmit_wait) > sum_vl_xmit_wait) | |
2565 | rsp->port_xmit_wait = cpu_to_be64(sum_vl_xmit_wait); | |
2566 | } | |
2567 | } | |
2568 | ||
b8d114eb SS |
2569 | static void pma_get_opa_port_dctrs(struct ib_device *ibdev, |
2570 | struct _port_dctrs *rsp) | |
2571 | { | |
2572 | struct hfi1_devdata *dd = dd_from_ibdev(ibdev); | |
2573 | ||
2574 | rsp->port_xmit_data = cpu_to_be64(read_dev_cntr(dd, C_DC_XMIT_FLITS, | |
2575 | CNTR_INVALID_VL)); | |
2576 | rsp->port_rcv_data = cpu_to_be64(read_dev_cntr(dd, C_DC_RCV_FLITS, | |
2577 | CNTR_INVALID_VL)); | |
2578 | rsp->port_xmit_pkts = cpu_to_be64(read_dev_cntr(dd, C_DC_XMIT_PKTS, | |
2579 | CNTR_INVALID_VL)); | |
2580 | rsp->port_rcv_pkts = cpu_to_be64(read_dev_cntr(dd, C_DC_RCV_PKTS, | |
2581 | CNTR_INVALID_VL)); | |
2582 | rsp->port_multicast_xmit_pkts = | |
2583 | cpu_to_be64(read_dev_cntr(dd, C_DC_MC_XMIT_PKTS, | |
2584 | CNTR_INVALID_VL)); | |
2585 | rsp->port_multicast_rcv_pkts = | |
2586 | cpu_to_be64(read_dev_cntr(dd, C_DC_MC_RCV_PKTS, | |
2587 | CNTR_INVALID_VL)); | |
2588 | } | |
2589 | ||
77241056 | 2590 | static int pma_get_opa_datacounters(struct opa_pma_mad *pmp, |
17fb4f29 JJ |
2591 | struct ib_device *ibdev, |
2592 | u8 port, u32 *resp_len) | |
77241056 MM |
2593 | { |
2594 | struct opa_port_data_counters_msg *req = | |
2595 | (struct opa_port_data_counters_msg *)pmp->data; | |
2596 | struct hfi1_devdata *dd = dd_from_ibdev(ibdev); | |
2597 | struct hfi1_ibport *ibp = to_iport(ibdev, port); | |
2598 | struct hfi1_pportdata *ppd = ppd_from_ibp(ibp); | |
2599 | struct _port_dctrs *rsp; | |
2600 | struct _vls_dctrs *vlinfo; | |
2601 | size_t response_data_size; | |
2602 | u32 num_ports; | |
2603 | u8 num_pslm; | |
2604 | u8 lq, num_vls; | |
f0852922 | 2605 | u8 res_lli, res_ler; |
77241056 | 2606 | u64 port_mask; |
61a28d2b | 2607 | u8 port_num; |
77241056 MM |
2608 | unsigned long vl; |
2609 | u32 vl_select_mask; | |
2610 | int vfi; | |
2611 | ||
2612 | num_ports = be32_to_cpu(pmp->mad_hdr.attr_mod) >> 24; | |
2613 | num_pslm = hweight64(be64_to_cpu(req->port_select_mask[3])); | |
2614 | num_vls = hweight32(be32_to_cpu(req->vl_select_mask)); | |
2615 | vl_select_mask = be32_to_cpu(req->vl_select_mask); | |
f0852922 AL |
2616 | res_lli = (u8)(be32_to_cpu(req->resolution) & MSK_LLI) >> MSK_LLI_SFT; |
2617 | res_lli = res_lli ? res_lli + ADD_LLI : 0; | |
2618 | res_ler = (u8)(be32_to_cpu(req->resolution) & MSK_LER) >> MSK_LER_SFT; | |
2619 | res_ler = res_ler ? res_ler + ADD_LER : 0; | |
77241056 MM |
2620 | |
2621 | if (num_ports != 1 || (vl_select_mask & ~VL_MASK_ALL)) { | |
2622 | pmp->mad_hdr.status |= IB_SMP_INVALID_FIELD; | |
2623 | return reply((struct ib_mad_hdr *)pmp); | |
2624 | } | |
2625 | ||
2626 | /* Sanity check */ | |
2627 | response_data_size = sizeof(struct opa_port_data_counters_msg) + | |
2628 | num_vls * sizeof(struct _vls_dctrs); | |
2629 | ||
2630 | if (response_data_size > sizeof(pmp->data)) { | |
2631 | pmp->mad_hdr.status |= IB_SMP_INVALID_FIELD; | |
2632 | return reply((struct ib_mad_hdr *)pmp); | |
2633 | } | |
2634 | ||
2635 | /* | |
2636 | * The bit set in the mask needs to be consistent with the | |
2637 | * port the request came in on. | |
2638 | */ | |
2639 | port_mask = be64_to_cpu(req->port_select_mask[3]); | |
2640 | port_num = find_first_bit((unsigned long *)&port_mask, | |
6aaa382f | 2641 | sizeof(port_mask) * 8); |
77241056 | 2642 | |
61a28d2b | 2643 | if (port_num != port) { |
77241056 MM |
2644 | pmp->mad_hdr.status |= IB_SMP_INVALID_FIELD; |
2645 | return reply((struct ib_mad_hdr *)pmp); | |
2646 | } | |
2647 | ||
acc17d67 | 2648 | rsp = &req->port[0]; |
77241056 MM |
2649 | memset(rsp, 0, sizeof(*rsp)); |
2650 | ||
2651 | rsp->port_number = port; | |
2652 | /* | |
2653 | * Note that link_quality_indicator is a 32 bit quantity in | |
2654 | * 'datacounters' queries (as opposed to 'portinfo' queries, | |
2655 | * where it's a byte). | |
2656 | */ | |
2657 | hfi1_read_link_quality(dd, &lq); | |
2658 | rsp->link_quality_indicator = cpu_to_be32((u32)lq); | |
b8d114eb | 2659 | pma_get_opa_port_dctrs(ibdev, rsp); |
77241056 | 2660 | |
77241056 MM |
2661 | rsp->port_xmit_wait = |
2662 | cpu_to_be64(read_port_cntr(ppd, C_TX_WAIT, CNTR_INVALID_VL)); | |
2663 | rsp->port_rcv_fecn = | |
2664 | cpu_to_be64(read_dev_cntr(dd, C_DC_RCV_FCN, CNTR_INVALID_VL)); | |
2665 | rsp->port_rcv_becn = | |
2666 | cpu_to_be64(read_dev_cntr(dd, C_DC_RCV_BCN, CNTR_INVALID_VL)); | |
77241056 | 2667 | rsp->port_error_counter_summary = |
f0852922 AL |
2668 | cpu_to_be64(get_error_counter_summary(ibdev, port, |
2669 | res_lli, res_ler)); | |
77241056 | 2670 | |
58721b8f | 2671 | vlinfo = &rsp->vls[0]; |
77241056 MM |
2672 | vfi = 0; |
2673 | /* The vl_select_mask has been checked above, and we know | |
2674 | * that it contains only entries which represent valid VLs. | |
2675 | * So in the for_each_set_bit() loop below, we don't need | |
2676 | * any additional checks for vl. | |
2677 | */ | |
2678 | for_each_set_bit(vl, (unsigned long *)&(vl_select_mask), | |
17fb4f29 | 2679 | 8 * sizeof(req->vl_select_mask)) { |
77241056 MM |
2680 | memset(vlinfo, 0, sizeof(*vlinfo)); |
2681 | ||
2682 | rsp->vls[vfi].port_vl_xmit_data = | |
2683 | cpu_to_be64(read_port_cntr(ppd, C_TX_FLIT_VL, | |
17fb4f29 | 2684 | idx_from_vl(vl))); |
77241056 MM |
2685 | |
2686 | rsp->vls[vfi].port_vl_rcv_data = | |
2687 | cpu_to_be64(read_dev_cntr(dd, C_DC_RX_FLIT_VL, | |
17fb4f29 | 2688 | idx_from_vl(vl))); |
77241056 MM |
2689 | |
2690 | rsp->vls[vfi].port_vl_xmit_pkts = | |
2691 | cpu_to_be64(read_port_cntr(ppd, C_TX_PKT_VL, | |
17fb4f29 | 2692 | idx_from_vl(vl))); |
77241056 MM |
2693 | |
2694 | rsp->vls[vfi].port_vl_rcv_pkts = | |
2695 | cpu_to_be64(read_dev_cntr(dd, C_DC_RX_PKT_VL, | |
17fb4f29 | 2696 | idx_from_vl(vl))); |
77241056 MM |
2697 | |
2698 | rsp->vls[vfi].port_vl_xmit_wait = | |
2699 | cpu_to_be64(read_port_cntr(ppd, C_TX_WAIT_VL, | |
17fb4f29 | 2700 | idx_from_vl(vl))); |
77241056 MM |
2701 | |
2702 | rsp->vls[vfi].port_vl_rcv_fecn = | |
2703 | cpu_to_be64(read_dev_cntr(dd, C_DC_RCV_FCN_VL, | |
17fb4f29 | 2704 | idx_from_vl(vl))); |
77241056 MM |
2705 | rsp->vls[vfi].port_vl_rcv_becn = |
2706 | cpu_to_be64(read_dev_cntr(dd, C_DC_RCV_BCN_VL, | |
17fb4f29 | 2707 | idx_from_vl(vl))); |
77241056 MM |
2708 | |
2709 | /* rsp->port_vl_xmit_time_cong is 0 for HFIs */ | |
2710 | /* rsp->port_vl_xmit_wasted_bw ??? */ | |
2711 | /* port_vl_xmit_wait_data - TXE (table 13-9 HFI spec) ??? | |
4d114fdd JJ |
2712 | * does this differ from rsp->vls[vfi].port_vl_xmit_wait |
2713 | */ | |
77241056 | 2714 | /*rsp->vls[vfi].port_vl_mark_fecn = |
4d114fdd JJ |
2715 | * cpu_to_be64(read_csr(dd, DCC_PRF_PORT_VL_MARK_FECN_CNT |
2716 | * + offset)); | |
2717 | */ | |
77241056 MM |
2718 | vlinfo++; |
2719 | vfi++; | |
2720 | } | |
2721 | ||
d9d3e025 | 2722 | a0_datacounters(ppd, rsp, vl_select_mask); |
77241056 MM |
2723 | |
2724 | if (resp_len) | |
2725 | *resp_len += response_data_size; | |
2726 | ||
2727 | return reply((struct ib_mad_hdr *)pmp); | |
2728 | } | |
2729 | ||
b8d114eb SS |
2730 | static int pma_get_ib_portcounters_ext(struct ib_pma_mad *pmp, |
2731 | struct ib_device *ibdev, u8 port) | |
2732 | { | |
2733 | struct ib_pma_portcounters_ext *p = (struct ib_pma_portcounters_ext *) | |
2734 | pmp->data; | |
2735 | struct _port_dctrs rsp; | |
2736 | ||
2737 | if (pmp->mad_hdr.attr_mod != 0 || p->port_select != port) { | |
2738 | pmp->mad_hdr.status |= IB_SMP_INVALID_FIELD; | |
2739 | goto bail; | |
2740 | } | |
2741 | ||
2742 | memset(&rsp, 0, sizeof(rsp)); | |
2743 | pma_get_opa_port_dctrs(ibdev, &rsp); | |
2744 | ||
2745 | p->port_xmit_data = rsp.port_xmit_data; | |
2746 | p->port_rcv_data = rsp.port_rcv_data; | |
2747 | p->port_xmit_packets = rsp.port_xmit_pkts; | |
2748 | p->port_rcv_packets = rsp.port_rcv_pkts; | |
2749 | p->port_unicast_xmit_packets = 0; | |
2750 | p->port_unicast_rcv_packets = 0; | |
2751 | p->port_multicast_xmit_packets = rsp.port_multicast_xmit_pkts; | |
2752 | p->port_multicast_rcv_packets = rsp.port_multicast_rcv_pkts; | |
2753 | ||
2754 | bail: | |
2755 | return reply((struct ib_mad_hdr *)pmp); | |
2756 | } | |
2757 | ||
2758 | static void pma_get_opa_port_ectrs(struct ib_device *ibdev, | |
2759 | struct _port_ectrs *rsp, u8 port) | |
2760 | { | |
2761 | u64 tmp, tmp2; | |
2762 | struct hfi1_devdata *dd = dd_from_ibdev(ibdev); | |
2763 | struct hfi1_ibport *ibp = to_iport(ibdev, port); | |
2764 | struct hfi1_pportdata *ppd = ppd_from_ibp(ibp); | |
2765 | ||
2766 | tmp = read_dev_cntr(dd, C_DC_SEQ_CRC_CNT, CNTR_INVALID_VL); | |
2767 | tmp2 = tmp + read_dev_cntr(dd, C_DC_REINIT_FROM_PEER_CNT, | |
2768 | CNTR_INVALID_VL); | |
2769 | if (tmp2 > (u32)UINT_MAX || tmp2 < tmp) { | |
2770 | /* overflow/wrapped */ | |
2771 | rsp->link_error_recovery = cpu_to_be32(~0); | |
2772 | } else { | |
2773 | rsp->link_error_recovery = cpu_to_be32(tmp2); | |
2774 | } | |
2775 | ||
2776 | rsp->link_downed = cpu_to_be32(read_port_cntr(ppd, C_SW_LINK_DOWN, | |
2777 | CNTR_INVALID_VL)); | |
2778 | rsp->port_rcv_errors = | |
2779 | cpu_to_be64(read_dev_cntr(dd, C_DC_RCV_ERR, CNTR_INVALID_VL)); | |
2780 | rsp->port_rcv_remote_physical_errors = | |
2781 | cpu_to_be64(read_dev_cntr(dd, C_DC_RMT_PHY_ERR, | |
2782 | CNTR_INVALID_VL)); | |
2783 | rsp->port_rcv_switch_relay_errors = 0; | |
2784 | rsp->port_xmit_discards = | |
2785 | cpu_to_be64(read_port_cntr(ppd, C_SW_XMIT_DSCD, | |
2786 | CNTR_INVALID_VL)); | |
2787 | rsp->port_xmit_constraint_errors = | |
2788 | cpu_to_be64(read_port_cntr(ppd, C_SW_XMIT_CSTR_ERR, | |
2789 | CNTR_INVALID_VL)); | |
2790 | rsp->port_rcv_constraint_errors = | |
2791 | cpu_to_be64(read_port_cntr(ppd, C_SW_RCV_CSTR_ERR, | |
2792 | CNTR_INVALID_VL)); | |
3210314a JP |
2793 | rsp->local_link_integrity_errors = |
2794 | cpu_to_be64(read_dev_cntr(dd, C_DC_RX_REPLAY, | |
2795 | CNTR_INVALID_VL)); | |
b8d114eb SS |
2796 | rsp->excessive_buffer_overruns = |
2797 | cpu_to_be64(read_dev_cntr(dd, C_RCV_OVF, CNTR_INVALID_VL)); | |
2798 | } | |
2799 | ||
77241056 | 2800 | static int pma_get_opa_porterrors(struct opa_pma_mad *pmp, |
17fb4f29 JJ |
2801 | struct ib_device *ibdev, |
2802 | u8 port, u32 *resp_len) | |
77241056 MM |
2803 | { |
2804 | size_t response_data_size; | |
2805 | struct _port_ectrs *rsp; | |
eb2e557c | 2806 | u8 port_num; |
77241056 MM |
2807 | struct opa_port_error_counters64_msg *req; |
2808 | struct hfi1_devdata *dd = dd_from_ibdev(ibdev); | |
2809 | u32 num_ports; | |
2810 | u8 num_pslm; | |
2811 | u8 num_vls; | |
2812 | struct hfi1_ibport *ibp; | |
2813 | struct hfi1_pportdata *ppd; | |
2814 | struct _vls_ectrs *vlinfo; | |
2815 | unsigned long vl; | |
b8d114eb | 2816 | u64 port_mask, tmp; |
77241056 MM |
2817 | u32 vl_select_mask; |
2818 | int vfi; | |
2819 | ||
2820 | req = (struct opa_port_error_counters64_msg *)pmp->data; | |
2821 | ||
2822 | num_ports = be32_to_cpu(pmp->mad_hdr.attr_mod) >> 24; | |
2823 | ||
2824 | num_pslm = hweight64(be64_to_cpu(req->port_select_mask[3])); | |
2825 | num_vls = hweight32(be32_to_cpu(req->vl_select_mask)); | |
2826 | ||
2827 | if (num_ports != 1 || num_ports != num_pslm) { | |
2828 | pmp->mad_hdr.status |= IB_SMP_INVALID_FIELD; | |
2829 | return reply((struct ib_mad_hdr *)pmp); | |
2830 | } | |
2831 | ||
2832 | response_data_size = sizeof(struct opa_port_error_counters64_msg) + | |
2833 | num_vls * sizeof(struct _vls_ectrs); | |
2834 | ||
2835 | if (response_data_size > sizeof(pmp->data)) { | |
2836 | pmp->mad_hdr.status |= IB_SMP_INVALID_FIELD; | |
2837 | return reply((struct ib_mad_hdr *)pmp); | |
2838 | } | |
2839 | /* | |
2840 | * The bit set in the mask needs to be consistent with the | |
2841 | * port the request came in on. | |
2842 | */ | |
2843 | port_mask = be64_to_cpu(req->port_select_mask[3]); | |
2844 | port_num = find_first_bit((unsigned long *)&port_mask, | |
6aaa382f | 2845 | sizeof(port_mask) * 8); |
77241056 | 2846 | |
eb2e557c | 2847 | if (port_num != port) { |
77241056 MM |
2848 | pmp->mad_hdr.status |= IB_SMP_INVALID_FIELD; |
2849 | return reply((struct ib_mad_hdr *)pmp); | |
2850 | } | |
2851 | ||
acc17d67 | 2852 | rsp = &req->port[0]; |
77241056 MM |
2853 | |
2854 | ibp = to_iport(ibdev, port_num); | |
2855 | ppd = ppd_from_ibp(ibp); | |
2856 | ||
2857 | memset(rsp, 0, sizeof(*rsp)); | |
eb2e557c | 2858 | rsp->port_number = port_num; |
77241056 | 2859 | |
b8d114eb | 2860 | pma_get_opa_port_ectrs(ibdev, rsp, port_num); |
77241056 | 2861 | |
77241056 MM |
2862 | rsp->port_rcv_remote_physical_errors = |
2863 | cpu_to_be64(read_dev_cntr(dd, C_DC_RMT_PHY_ERR, | |
b8d114eb | 2864 | CNTR_INVALID_VL)); |
77241056 MM |
2865 | rsp->fm_config_errors = |
2866 | cpu_to_be64(read_dev_cntr(dd, C_DC_FM_CFG_ERR, | |
17fb4f29 | 2867 | CNTR_INVALID_VL)); |
77241056 | 2868 | tmp = read_dev_cntr(dd, C_DC_UNC_ERR, CNTR_INVALID_VL); |
b8d114eb | 2869 | |
77241056 | 2870 | rsp->uncorrectable_errors = tmp < 0x100 ? (tmp & 0xff) : 0xff; |
2b719046 JP |
2871 | rsp->port_rcv_errors = |
2872 | cpu_to_be64(read_dev_cntr(dd, C_DC_RCV_ERR, CNTR_INVALID_VL)); | |
acc17d67 | 2873 | vlinfo = &rsp->vls[0]; |
77241056 MM |
2874 | vfi = 0; |
2875 | vl_select_mask = be32_to_cpu(req->vl_select_mask); | |
2876 | for_each_set_bit(vl, (unsigned long *)&(vl_select_mask), | |
2877 | 8 * sizeof(req->vl_select_mask)) { | |
2878 | memset(vlinfo, 0, sizeof(*vlinfo)); | |
583eb8b8 JP |
2879 | rsp->vls[vfi].port_vl_xmit_discards = |
2880 | cpu_to_be64(read_port_cntr(ppd, C_SW_XMIT_DSCD_VL, | |
2881 | idx_from_vl(vl))); | |
77241056 MM |
2882 | vlinfo += 1; |
2883 | vfi++; | |
2884 | } | |
2885 | ||
2886 | if (resp_len) | |
2887 | *resp_len += response_data_size; | |
2888 | ||
2889 | return reply((struct ib_mad_hdr *)pmp); | |
2890 | } | |
2891 | ||
b8d114eb SS |
2892 | static int pma_get_ib_portcounters(struct ib_pma_mad *pmp, |
2893 | struct ib_device *ibdev, u8 port) | |
2894 | { | |
2895 | struct ib_pma_portcounters *p = (struct ib_pma_portcounters *) | |
2896 | pmp->data; | |
2897 | struct _port_ectrs rsp; | |
2898 | u64 temp_link_overrun_errors; | |
2899 | u64 temp_64; | |
2900 | u32 temp_32; | |
2901 | ||
2902 | memset(&rsp, 0, sizeof(rsp)); | |
2903 | pma_get_opa_port_ectrs(ibdev, &rsp, port); | |
2904 | ||
2905 | if (pmp->mad_hdr.attr_mod != 0 || p->port_select != port) { | |
2906 | pmp->mad_hdr.status |= IB_SMP_INVALID_FIELD; | |
2907 | goto bail; | |
2908 | } | |
2909 | ||
2910 | p->symbol_error_counter = 0; /* N/A for OPA */ | |
2911 | ||
2912 | temp_32 = be32_to_cpu(rsp.link_error_recovery); | |
2913 | if (temp_32 > 0xFFUL) | |
2914 | p->link_error_recovery_counter = 0xFF; | |
2915 | else | |
2916 | p->link_error_recovery_counter = (u8)temp_32; | |
2917 | ||
2918 | temp_32 = be32_to_cpu(rsp.link_downed); | |
2919 | if (temp_32 > 0xFFUL) | |
2920 | p->link_downed_counter = 0xFF; | |
2921 | else | |
2922 | p->link_downed_counter = (u8)temp_32; | |
2923 | ||
2924 | temp_64 = be64_to_cpu(rsp.port_rcv_errors); | |
2925 | if (temp_64 > 0xFFFFUL) | |
2926 | p->port_rcv_errors = cpu_to_be16(0xFFFF); | |
2927 | else | |
2928 | p->port_rcv_errors = cpu_to_be16((u16)temp_64); | |
2929 | ||
2930 | temp_64 = be64_to_cpu(rsp.port_rcv_remote_physical_errors); | |
2931 | if (temp_64 > 0xFFFFUL) | |
2932 | p->port_rcv_remphys_errors = cpu_to_be16(0xFFFF); | |
2933 | else | |
2934 | p->port_rcv_remphys_errors = cpu_to_be16((u16)temp_64); | |
2935 | ||
2936 | temp_64 = be64_to_cpu(rsp.port_rcv_switch_relay_errors); | |
2937 | p->port_rcv_switch_relay_errors = cpu_to_be16((u16)temp_64); | |
2938 | ||
2939 | temp_64 = be64_to_cpu(rsp.port_xmit_discards); | |
2940 | if (temp_64 > 0xFFFFUL) | |
2941 | p->port_xmit_discards = cpu_to_be16(0xFFFF); | |
2942 | else | |
2943 | p->port_xmit_discards = cpu_to_be16((u16)temp_64); | |
2944 | ||
2945 | temp_64 = be64_to_cpu(rsp.port_xmit_constraint_errors); | |
2946 | if (temp_64 > 0xFFUL) | |
2947 | p->port_xmit_constraint_errors = 0xFF; | |
2948 | else | |
2949 | p->port_xmit_constraint_errors = (u8)temp_64; | |
2950 | ||
2951 | temp_64 = be64_to_cpu(rsp.port_rcv_constraint_errors); | |
2952 | if (temp_64 > 0xFFUL) | |
2953 | p->port_rcv_constraint_errors = 0xFFUL; | |
2954 | else | |
2955 | p->port_rcv_constraint_errors = (u8)temp_64; | |
2956 | ||
2957 | /* LocalLink: 7:4, BufferOverrun: 3:0 */ | |
2958 | temp_64 = be64_to_cpu(rsp.local_link_integrity_errors); | |
2959 | if (temp_64 > 0xFUL) | |
2960 | temp_64 = 0xFUL; | |
2961 | ||
2962 | temp_link_overrun_errors = temp_64 << 4; | |
2963 | ||
2964 | temp_64 = be64_to_cpu(rsp.excessive_buffer_overruns); | |
2965 | if (temp_64 > 0xFUL) | |
2966 | temp_64 = 0xFUL; | |
2967 | temp_link_overrun_errors |= temp_64; | |
2968 | ||
2969 | p->link_overrun_errors = (u8)temp_link_overrun_errors; | |
2970 | ||
2971 | p->vl15_dropped = 0; /* N/A for OPA */ | |
2972 | ||
2973 | bail: | |
2974 | return reply((struct ib_mad_hdr *)pmp); | |
2975 | } | |
2976 | ||
77241056 | 2977 | static int pma_get_opa_errorinfo(struct opa_pma_mad *pmp, |
17fb4f29 JJ |
2978 | struct ib_device *ibdev, |
2979 | u8 port, u32 *resp_len) | |
77241056 MM |
2980 | { |
2981 | size_t response_data_size; | |
2982 | struct _port_ei *rsp; | |
2983 | struct opa_port_error_info_msg *req; | |
2984 | struct hfi1_devdata *dd = dd_from_ibdev(ibdev); | |
2985 | u64 port_mask; | |
2986 | u32 num_ports; | |
eb2e557c | 2987 | u8 port_num; |
77241056 MM |
2988 | u8 num_pslm; |
2989 | u64 reg; | |
2990 | ||
2991 | req = (struct opa_port_error_info_msg *)pmp->data; | |
acc17d67 | 2992 | rsp = &req->port[0]; |
77241056 MM |
2993 | |
2994 | num_ports = OPA_AM_NPORT(be32_to_cpu(pmp->mad_hdr.attr_mod)); | |
2995 | num_pslm = hweight64(be64_to_cpu(req->port_select_mask[3])); | |
2996 | ||
2997 | memset(rsp, 0, sizeof(*rsp)); | |
2998 | ||
2999 | if (num_ports != 1 || num_ports != num_pslm) { | |
3000 | pmp->mad_hdr.status |= IB_SMP_INVALID_FIELD; | |
3001 | return reply((struct ib_mad_hdr *)pmp); | |
3002 | } | |
3003 | ||
3004 | /* Sanity check */ | |
3005 | response_data_size = sizeof(struct opa_port_error_info_msg); | |
3006 | ||
3007 | if (response_data_size > sizeof(pmp->data)) { | |
3008 | pmp->mad_hdr.status |= IB_SMP_INVALID_FIELD; | |
3009 | return reply((struct ib_mad_hdr *)pmp); | |
3010 | } | |
3011 | ||
3012 | /* | |
3013 | * The bit set in the mask needs to be consistent with the port | |
3014 | * the request came in on. | |
3015 | */ | |
3016 | port_mask = be64_to_cpu(req->port_select_mask[3]); | |
3017 | port_num = find_first_bit((unsigned long *)&port_mask, | |
6aaa382f | 3018 | sizeof(port_mask) * 8); |
77241056 | 3019 | |
eb2e557c | 3020 | if (port_num != port) { |
77241056 MM |
3021 | pmp->mad_hdr.status |= IB_SMP_INVALID_FIELD; |
3022 | return reply((struct ib_mad_hdr *)pmp); | |
3023 | } | |
3024 | ||
3025 | /* PortRcvErrorInfo */ | |
3026 | rsp->port_rcv_ei.status_and_code = | |
3027 | dd->err_info_rcvport.status_and_code; | |
3028 | memcpy(&rsp->port_rcv_ei.ei.ei1to12.packet_flit1, | |
17fb4f29 | 3029 | &dd->err_info_rcvport.packet_flit1, sizeof(u64)); |
77241056 | 3030 | memcpy(&rsp->port_rcv_ei.ei.ei1to12.packet_flit2, |
17fb4f29 | 3031 | &dd->err_info_rcvport.packet_flit2, sizeof(u64)); |
77241056 MM |
3032 | |
3033 | /* ExcessiverBufferOverrunInfo */ | |
3034 | reg = read_csr(dd, RCV_ERR_INFO); | |
3035 | if (reg & RCV_ERR_INFO_RCV_EXCESS_BUFFER_OVERRUN_SMASK) { | |
4d114fdd JJ |
3036 | /* |
3037 | * if the RcvExcessBufferOverrun bit is set, save SC of | |
3038 | * first pkt that encountered an excess buffer overrun | |
3039 | */ | |
77241056 MM |
3040 | u8 tmp = (u8)reg; |
3041 | ||
3042 | tmp &= RCV_ERR_INFO_RCV_EXCESS_BUFFER_OVERRUN_SC_SMASK; | |
3043 | tmp <<= 2; | |
3044 | rsp->excessive_buffer_overrun_ei.status_and_sc = tmp; | |
3045 | /* set the status bit */ | |
3046 | rsp->excessive_buffer_overrun_ei.status_and_sc |= 0x80; | |
3047 | } | |
3048 | ||
3049 | rsp->port_xmit_constraint_ei.status = | |
3050 | dd->err_info_xmit_constraint.status; | |
3051 | rsp->port_xmit_constraint_ei.pkey = | |
3052 | cpu_to_be16(dd->err_info_xmit_constraint.pkey); | |
3053 | rsp->port_xmit_constraint_ei.slid = | |
3054 | cpu_to_be32(dd->err_info_xmit_constraint.slid); | |
3055 | ||
3056 | rsp->port_rcv_constraint_ei.status = | |
3057 | dd->err_info_rcv_constraint.status; | |
3058 | rsp->port_rcv_constraint_ei.pkey = | |
3059 | cpu_to_be16(dd->err_info_rcv_constraint.pkey); | |
3060 | rsp->port_rcv_constraint_ei.slid = | |
3061 | cpu_to_be32(dd->err_info_rcv_constraint.slid); | |
3062 | ||
3063 | /* UncorrectableErrorInfo */ | |
3064 | rsp->uncorrectable_ei.status_and_code = dd->err_info_uncorrectable; | |
3065 | ||
3066 | /* FMConfigErrorInfo */ | |
3067 | rsp->fm_config_ei.status_and_code = dd->err_info_fmconfig; | |
3068 | ||
3069 | if (resp_len) | |
3070 | *resp_len += response_data_size; | |
3071 | ||
3072 | return reply((struct ib_mad_hdr *)pmp); | |
3073 | } | |
3074 | ||
3075 | static int pma_set_opa_portstatus(struct opa_pma_mad *pmp, | |
17fb4f29 JJ |
3076 | struct ib_device *ibdev, |
3077 | u8 port, u32 *resp_len) | |
77241056 MM |
3078 | { |
3079 | struct opa_clear_port_status *req = | |
3080 | (struct opa_clear_port_status *)pmp->data; | |
3081 | struct hfi1_devdata *dd = dd_from_ibdev(ibdev); | |
3082 | struct hfi1_ibport *ibp = to_iport(ibdev, port); | |
3083 | struct hfi1_pportdata *ppd = ppd_from_ibp(ibp); | |
3084 | u32 nports = be32_to_cpu(pmp->mad_hdr.attr_mod) >> 24; | |
3085 | u64 portn = be64_to_cpu(req->port_select_mask[3]); | |
3086 | u32 counter_select = be32_to_cpu(req->counter_select_mask); | |
3087 | u32 vl_select_mask = VL_MASK_ALL; /* clear all per-vl cnts */ | |
3088 | unsigned long vl; | |
3089 | ||
3090 | if ((nports != 1) || (portn != 1 << port)) { | |
3091 | pmp->mad_hdr.status |= IB_SMP_INVALID_FIELD; | |
3092 | return reply((struct ib_mad_hdr *)pmp); | |
3093 | } | |
3094 | /* | |
3095 | * only counters returned by pma_get_opa_portstatus() are | |
3096 | * handled, so when pma_get_opa_portstatus() gets a fix, | |
3097 | * the corresponding change should be made here as well. | |
3098 | */ | |
3099 | ||
3100 | if (counter_select & CS_PORT_XMIT_DATA) | |
3101 | write_dev_cntr(dd, C_DC_XMIT_FLITS, CNTR_INVALID_VL, 0); | |
3102 | ||
3103 | if (counter_select & CS_PORT_RCV_DATA) | |
3104 | write_dev_cntr(dd, C_DC_RCV_FLITS, CNTR_INVALID_VL, 0); | |
3105 | ||
3106 | if (counter_select & CS_PORT_XMIT_PKTS) | |
3107 | write_dev_cntr(dd, C_DC_XMIT_PKTS, CNTR_INVALID_VL, 0); | |
3108 | ||
3109 | if (counter_select & CS_PORT_RCV_PKTS) | |
3110 | write_dev_cntr(dd, C_DC_RCV_PKTS, CNTR_INVALID_VL, 0); | |
3111 | ||
3112 | if (counter_select & CS_PORT_MCAST_XMIT_PKTS) | |
3113 | write_dev_cntr(dd, C_DC_MC_XMIT_PKTS, CNTR_INVALID_VL, 0); | |
3114 | ||
3115 | if (counter_select & CS_PORT_MCAST_RCV_PKTS) | |
3116 | write_dev_cntr(dd, C_DC_MC_RCV_PKTS, CNTR_INVALID_VL, 0); | |
3117 | ||
3118 | if (counter_select & CS_PORT_XMIT_WAIT) | |
3119 | write_port_cntr(ppd, C_TX_WAIT, CNTR_INVALID_VL, 0); | |
3120 | ||
3121 | /* ignore cs_sw_portCongestion for HFIs */ | |
3122 | ||
3123 | if (counter_select & CS_PORT_RCV_FECN) | |
3124 | write_dev_cntr(dd, C_DC_RCV_FCN, CNTR_INVALID_VL, 0); | |
3125 | ||
3126 | if (counter_select & CS_PORT_RCV_BECN) | |
3127 | write_dev_cntr(dd, C_DC_RCV_BCN, CNTR_INVALID_VL, 0); | |
3128 | ||
3129 | /* ignore cs_port_xmit_time_cong for HFIs */ | |
3130 | /* ignore cs_port_xmit_wasted_bw for now */ | |
3131 | /* ignore cs_port_xmit_wait_data for now */ | |
3132 | if (counter_select & CS_PORT_RCV_BUBBLE) | |
3133 | write_dev_cntr(dd, C_DC_RCV_BBL, CNTR_INVALID_VL, 0); | |
3134 | ||
3135 | /* Only applicable for switch */ | |
4d114fdd JJ |
3136 | /* if (counter_select & CS_PORT_MARK_FECN) |
3137 | * write_csr(dd, DCC_PRF_PORT_MARK_FECN_CNT, 0); | |
3138 | */ | |
77241056 MM |
3139 | |
3140 | if (counter_select & CS_PORT_RCV_CONSTRAINT_ERRORS) | |
3141 | write_port_cntr(ppd, C_SW_RCV_CSTR_ERR, CNTR_INVALID_VL, 0); | |
3142 | ||
3143 | /* ignore cs_port_rcv_switch_relay_errors for HFIs */ | |
3144 | if (counter_select & CS_PORT_XMIT_DISCARDS) | |
3145 | write_port_cntr(ppd, C_SW_XMIT_DSCD, CNTR_INVALID_VL, 0); | |
3146 | ||
3147 | if (counter_select & CS_PORT_XMIT_CONSTRAINT_ERRORS) | |
3148 | write_port_cntr(ppd, C_SW_XMIT_CSTR_ERR, CNTR_INVALID_VL, 0); | |
3149 | ||
3150 | if (counter_select & CS_PORT_RCV_REMOTE_PHYSICAL_ERRORS) | |
3151 | write_dev_cntr(dd, C_DC_RMT_PHY_ERR, CNTR_INVALID_VL, 0); | |
3152 | ||
3210314a | 3153 | if (counter_select & CS_LOCAL_LINK_INTEGRITY_ERRORS) |
77241056 | 3154 | write_dev_cntr(dd, C_DC_RX_REPLAY, CNTR_INVALID_VL, 0); |
77241056 MM |
3155 | |
3156 | if (counter_select & CS_LINK_ERROR_RECOVERY) { | |
3157 | write_dev_cntr(dd, C_DC_SEQ_CRC_CNT, CNTR_INVALID_VL, 0); | |
3158 | write_dev_cntr(dd, C_DC_REINIT_FROM_PEER_CNT, | |
17fb4f29 | 3159 | CNTR_INVALID_VL, 0); |
77241056 MM |
3160 | } |
3161 | ||
3162 | if (counter_select & CS_PORT_RCV_ERRORS) | |
3163 | write_dev_cntr(dd, C_DC_RCV_ERR, CNTR_INVALID_VL, 0); | |
3164 | ||
3165 | if (counter_select & CS_EXCESSIVE_BUFFER_OVERRUNS) { | |
3166 | write_dev_cntr(dd, C_RCV_OVF, CNTR_INVALID_VL, 0); | |
3167 | dd->rcv_ovfl_cnt = 0; | |
3168 | } | |
3169 | ||
3170 | if (counter_select & CS_FM_CONFIG_ERRORS) | |
3171 | write_dev_cntr(dd, C_DC_FM_CFG_ERR, CNTR_INVALID_VL, 0); | |
3172 | ||
3173 | if (counter_select & CS_LINK_DOWNED) | |
3174 | write_port_cntr(ppd, C_SW_LINK_DOWN, CNTR_INVALID_VL, 0); | |
3175 | ||
3176 | if (counter_select & CS_UNCORRECTABLE_ERRORS) | |
3177 | write_dev_cntr(dd, C_DC_UNC_ERR, CNTR_INVALID_VL, 0); | |
3178 | ||
3179 | for_each_set_bit(vl, (unsigned long *)&(vl_select_mask), | |
3180 | 8 * sizeof(vl_select_mask)) { | |
77241056 MM |
3181 | if (counter_select & CS_PORT_XMIT_DATA) |
3182 | write_port_cntr(ppd, C_TX_FLIT_VL, idx_from_vl(vl), 0); | |
3183 | ||
3184 | if (counter_select & CS_PORT_RCV_DATA) | |
3185 | write_dev_cntr(dd, C_DC_RX_FLIT_VL, idx_from_vl(vl), 0); | |
3186 | ||
3187 | if (counter_select & CS_PORT_XMIT_PKTS) | |
3188 | write_port_cntr(ppd, C_TX_PKT_VL, idx_from_vl(vl), 0); | |
3189 | ||
3190 | if (counter_select & CS_PORT_RCV_PKTS) | |
3191 | write_dev_cntr(dd, C_DC_RX_PKT_VL, idx_from_vl(vl), 0); | |
3192 | ||
3193 | if (counter_select & CS_PORT_XMIT_WAIT) | |
3194 | write_port_cntr(ppd, C_TX_WAIT_VL, idx_from_vl(vl), 0); | |
3195 | ||
3196 | /* sw_port_vl_congestion is 0 for HFIs */ | |
3197 | if (counter_select & CS_PORT_RCV_FECN) | |
3198 | write_dev_cntr(dd, C_DC_RCV_FCN_VL, idx_from_vl(vl), 0); | |
3199 | ||
3200 | if (counter_select & CS_PORT_RCV_BECN) | |
3201 | write_dev_cntr(dd, C_DC_RCV_BCN_VL, idx_from_vl(vl), 0); | |
3202 | ||
3203 | /* port_vl_xmit_time_cong is 0 for HFIs */ | |
3204 | /* port_vl_xmit_wasted_bw ??? */ | |
3205 | /* port_vl_xmit_wait_data - TXE (table 13-9 HFI spec) ??? */ | |
3206 | if (counter_select & CS_PORT_RCV_BUBBLE) | |
3207 | write_dev_cntr(dd, C_DC_RCV_BBL_VL, idx_from_vl(vl), 0); | |
3208 | ||
4d114fdd JJ |
3209 | /* if (counter_select & CS_PORT_MARK_FECN) |
3210 | * write_csr(dd, DCC_PRF_PORT_VL_MARK_FECN_CNT + offset, 0); | |
3211 | */ | |
583eb8b8 JP |
3212 | if (counter_select & C_SW_XMIT_DSCD_VL) |
3213 | write_port_cntr(ppd, C_SW_XMIT_DSCD_VL, | |
3214 | idx_from_vl(vl), 0); | |
77241056 MM |
3215 | } |
3216 | ||
3217 | if (resp_len) | |
3218 | *resp_len += sizeof(*req); | |
3219 | ||
3220 | return reply((struct ib_mad_hdr *)pmp); | |
3221 | } | |
3222 | ||
3223 | static int pma_set_opa_errorinfo(struct opa_pma_mad *pmp, | |
17fb4f29 JJ |
3224 | struct ib_device *ibdev, |
3225 | u8 port, u32 *resp_len) | |
77241056 MM |
3226 | { |
3227 | struct _port_ei *rsp; | |
3228 | struct opa_port_error_info_msg *req; | |
3229 | struct hfi1_devdata *dd = dd_from_ibdev(ibdev); | |
3230 | u64 port_mask; | |
3231 | u32 num_ports; | |
eb2e557c | 3232 | u8 port_num; |
77241056 MM |
3233 | u8 num_pslm; |
3234 | u32 error_info_select; | |
3235 | ||
3236 | req = (struct opa_port_error_info_msg *)pmp->data; | |
acc17d67 | 3237 | rsp = &req->port[0]; |
77241056 MM |
3238 | |
3239 | num_ports = OPA_AM_NPORT(be32_to_cpu(pmp->mad_hdr.attr_mod)); | |
3240 | num_pslm = hweight64(be64_to_cpu(req->port_select_mask[3])); | |
3241 | ||
3242 | memset(rsp, 0, sizeof(*rsp)); | |
3243 | ||
3244 | if (num_ports != 1 || num_ports != num_pslm) { | |
3245 | pmp->mad_hdr.status |= IB_SMP_INVALID_FIELD; | |
3246 | return reply((struct ib_mad_hdr *)pmp); | |
3247 | } | |
3248 | ||
3249 | /* | |
3250 | * The bit set in the mask needs to be consistent with the port | |
3251 | * the request came in on. | |
3252 | */ | |
3253 | port_mask = be64_to_cpu(req->port_select_mask[3]); | |
3254 | port_num = find_first_bit((unsigned long *)&port_mask, | |
6aaa382f | 3255 | sizeof(port_mask) * 8); |
77241056 | 3256 | |
eb2e557c | 3257 | if (port_num != port) { |
77241056 MM |
3258 | pmp->mad_hdr.status |= IB_SMP_INVALID_FIELD; |
3259 | return reply((struct ib_mad_hdr *)pmp); | |
3260 | } | |
3261 | ||
3262 | error_info_select = be32_to_cpu(req->error_info_select_mask); | |
3263 | ||
3264 | /* PortRcvErrorInfo */ | |
3265 | if (error_info_select & ES_PORT_RCV_ERROR_INFO) | |
3266 | /* turn off status bit */ | |
3267 | dd->err_info_rcvport.status_and_code &= ~OPA_EI_STATUS_SMASK; | |
3268 | ||
3269 | /* ExcessiverBufferOverrunInfo */ | |
3270 | if (error_info_select & ES_EXCESSIVE_BUFFER_OVERRUN_INFO) | |
4d114fdd JJ |
3271 | /* |
3272 | * status bit is essentially kept in the h/w - bit 5 of | |
3273 | * RCV_ERR_INFO | |
3274 | */ | |
77241056 MM |
3275 | write_csr(dd, RCV_ERR_INFO, |
3276 | RCV_ERR_INFO_RCV_EXCESS_BUFFER_OVERRUN_SMASK); | |
3277 | ||
3278 | if (error_info_select & ES_PORT_XMIT_CONSTRAINT_ERROR_INFO) | |
3279 | dd->err_info_xmit_constraint.status &= ~OPA_EI_STATUS_SMASK; | |
3280 | ||
3281 | if (error_info_select & ES_PORT_RCV_CONSTRAINT_ERROR_INFO) | |
3282 | dd->err_info_rcv_constraint.status &= ~OPA_EI_STATUS_SMASK; | |
3283 | ||
3284 | /* UncorrectableErrorInfo */ | |
3285 | if (error_info_select & ES_UNCORRECTABLE_ERROR_INFO) | |
3286 | /* turn off status bit */ | |
3287 | dd->err_info_uncorrectable &= ~OPA_EI_STATUS_SMASK; | |
3288 | ||
3289 | /* FMConfigErrorInfo */ | |
3290 | if (error_info_select & ES_FM_CONFIG_ERROR_INFO) | |
3291 | /* turn off status bit */ | |
3292 | dd->err_info_fmconfig &= ~OPA_EI_STATUS_SMASK; | |
3293 | ||
3294 | if (resp_len) | |
3295 | *resp_len += sizeof(*req); | |
3296 | ||
3297 | return reply((struct ib_mad_hdr *)pmp); | |
3298 | } | |
3299 | ||
3300 | struct opa_congestion_info_attr { | |
3301 | __be16 congestion_info; | |
3302 | u8 control_table_cap; /* Multiple of 64 entry unit CCTs */ | |
3303 | u8 congestion_log_length; | |
3304 | } __packed; | |
3305 | ||
3306 | static int __subn_get_opa_cong_info(struct opa_smp *smp, u32 am, u8 *data, | |
3307 | struct ib_device *ibdev, u8 port, | |
3308 | u32 *resp_len) | |
3309 | { | |
3310 | struct opa_congestion_info_attr *p = | |
3311 | (struct opa_congestion_info_attr *)data; | |
3312 | struct hfi1_ibport *ibp = to_iport(ibdev, port); | |
3313 | struct hfi1_pportdata *ppd = ppd_from_ibp(ibp); | |
3314 | ||
3315 | p->congestion_info = 0; | |
3316 | p->control_table_cap = ppd->cc_max_table_entries; | |
3317 | p->congestion_log_length = OPA_CONG_LOG_ELEMS; | |
3318 | ||
3319 | if (resp_len) | |
3320 | *resp_len += sizeof(*p); | |
3321 | ||
3322 | return reply((struct ib_mad_hdr *)smp); | |
3323 | } | |
3324 | ||
3325 | static int __subn_get_opa_cong_setting(struct opa_smp *smp, u32 am, | |
17fb4f29 JJ |
3326 | u8 *data, struct ib_device *ibdev, |
3327 | u8 port, u32 *resp_len) | |
77241056 MM |
3328 | { |
3329 | int i; | |
3330 | struct opa_congestion_setting_attr *p = | |
50e5dcbe | 3331 | (struct opa_congestion_setting_attr *)data; |
77241056 MM |
3332 | struct hfi1_ibport *ibp = to_iport(ibdev, port); |
3333 | struct hfi1_pportdata *ppd = ppd_from_ibp(ibp); | |
3334 | struct opa_congestion_setting_entry_shadow *entries; | |
3335 | struct cc_state *cc_state; | |
3336 | ||
3337 | rcu_read_lock(); | |
3338 | ||
3339 | cc_state = get_cc_state(ppd); | |
3340 | ||
d125a6c6 | 3341 | if (!cc_state) { |
77241056 MM |
3342 | rcu_read_unlock(); |
3343 | return reply((struct ib_mad_hdr *)smp); | |
3344 | } | |
3345 | ||
3346 | entries = cc_state->cong_setting.entries; | |
3347 | p->port_control = cpu_to_be16(cc_state->cong_setting.port_control); | |
3348 | p->control_map = cpu_to_be32(cc_state->cong_setting.control_map); | |
3349 | for (i = 0; i < OPA_MAX_SLS; i++) { | |
3350 | p->entries[i].ccti_increase = entries[i].ccti_increase; | |
3351 | p->entries[i].ccti_timer = cpu_to_be16(entries[i].ccti_timer); | |
3352 | p->entries[i].trigger_threshold = | |
3353 | entries[i].trigger_threshold; | |
3354 | p->entries[i].ccti_min = entries[i].ccti_min; | |
3355 | } | |
3356 | ||
3357 | rcu_read_unlock(); | |
3358 | ||
3359 | if (resp_len) | |
3360 | *resp_len += sizeof(*p); | |
3361 | ||
3362 | return reply((struct ib_mad_hdr *)smp); | |
3363 | } | |
3364 | ||
f036780b DL |
3365 | /* |
3366 | * Apply congestion control information stored in the ppd to the | |
3367 | * active structure. | |
3368 | */ | |
3369 | static void apply_cc_state(struct hfi1_pportdata *ppd) | |
3370 | { | |
3371 | struct cc_state *old_cc_state, *new_cc_state; | |
3372 | ||
3373 | new_cc_state = kzalloc(sizeof(*new_cc_state), GFP_KERNEL); | |
3374 | if (!new_cc_state) | |
3375 | return; | |
3376 | ||
3377 | /* | |
3378 | * Hold the lock for updating *and* to prevent ppd information | |
3379 | * from changing during the update. | |
3380 | */ | |
3381 | spin_lock(&ppd->cc_state_lock); | |
3382 | ||
8adf71fa | 3383 | old_cc_state = get_cc_state_protected(ppd); |
f036780b DL |
3384 | if (!old_cc_state) { |
3385 | /* never active, or shutting down */ | |
3386 | spin_unlock(&ppd->cc_state_lock); | |
3387 | kfree(new_cc_state); | |
3388 | return; | |
3389 | } | |
3390 | ||
3391 | *new_cc_state = *old_cc_state; | |
3392 | ||
3393 | new_cc_state->cct.ccti_limit = ppd->total_cct_entry - 1; | |
3394 | memcpy(new_cc_state->cct.entries, ppd->ccti_entries, | |
3395 | ppd->total_cct_entry * sizeof(struct ib_cc_table_entry)); | |
3396 | ||
3397 | new_cc_state->cong_setting.port_control = IB_CC_CCS_PC_SL_BASED; | |
3398 | new_cc_state->cong_setting.control_map = ppd->cc_sl_control_map; | |
3399 | memcpy(new_cc_state->cong_setting.entries, ppd->congestion_entries, | |
3400 | OPA_MAX_SLS * sizeof(struct opa_congestion_setting_entry)); | |
3401 | ||
3402 | rcu_assign_pointer(ppd->cc_state, new_cc_state); | |
3403 | ||
3404 | spin_unlock(&ppd->cc_state_lock); | |
3405 | ||
476d95bd | 3406 | kfree_rcu(old_cc_state, rcu); |
f036780b DL |
3407 | } |
3408 | ||
77241056 MM |
3409 | static int __subn_set_opa_cong_setting(struct opa_smp *smp, u32 am, u8 *data, |
3410 | struct ib_device *ibdev, u8 port, | |
3411 | u32 *resp_len) | |
3412 | { | |
3413 | struct opa_congestion_setting_attr *p = | |
50e5dcbe | 3414 | (struct opa_congestion_setting_attr *)data; |
77241056 MM |
3415 | struct hfi1_ibport *ibp = to_iport(ibdev, port); |
3416 | struct hfi1_pportdata *ppd = ppd_from_ibp(ibp); | |
3417 | struct opa_congestion_setting_entry_shadow *entries; | |
3418 | int i; | |
3419 | ||
f036780b DL |
3420 | /* |
3421 | * Save details from packet into the ppd. Hold the cc_state_lock so | |
3422 | * our information is consistent with anyone trying to apply the state. | |
3423 | */ | |
3424 | spin_lock(&ppd->cc_state_lock); | |
77241056 MM |
3425 | ppd->cc_sl_control_map = be32_to_cpu(p->control_map); |
3426 | ||
3427 | entries = ppd->congestion_entries; | |
3428 | for (i = 0; i < OPA_MAX_SLS; i++) { | |
3429 | entries[i].ccti_increase = p->entries[i].ccti_increase; | |
3430 | entries[i].ccti_timer = be16_to_cpu(p->entries[i].ccti_timer); | |
3431 | entries[i].trigger_threshold = | |
3432 | p->entries[i].trigger_threshold; | |
3433 | entries[i].ccti_min = p->entries[i].ccti_min; | |
3434 | } | |
f036780b DL |
3435 | spin_unlock(&ppd->cc_state_lock); |
3436 | ||
3437 | /* now apply the information */ | |
3438 | apply_cc_state(ppd); | |
77241056 MM |
3439 | |
3440 | return __subn_get_opa_cong_setting(smp, am, data, ibdev, port, | |
3441 | resp_len); | |
3442 | } | |
3443 | ||
3444 | static int __subn_get_opa_hfi1_cong_log(struct opa_smp *smp, u32 am, | |
3445 | u8 *data, struct ib_device *ibdev, | |
3446 | u8 port, u32 *resp_len) | |
3447 | { | |
3448 | struct hfi1_ibport *ibp = to_iport(ibdev, port); | |
3449 | struct hfi1_pportdata *ppd = ppd_from_ibp(ibp); | |
3450 | struct opa_hfi1_cong_log *cong_log = (struct opa_hfi1_cong_log *)data; | |
3451 | s64 ts; | |
3452 | int i; | |
3453 | ||
3454 | if (am != 0) { | |
3455 | smp->status |= IB_SMP_INVALID_FIELD; | |
3456 | return reply((struct ib_mad_hdr *)smp); | |
3457 | } | |
3458 | ||
b77d713a | 3459 | spin_lock_irq(&ppd->cc_log_lock); |
77241056 MM |
3460 | |
3461 | cong_log->log_type = OPA_CC_LOG_TYPE_HFI; | |
3462 | cong_log->congestion_flags = 0; | |
3463 | cong_log->threshold_event_counter = | |
3464 | cpu_to_be16(ppd->threshold_event_counter); | |
3465 | memcpy(cong_log->threshold_cong_event_map, | |
3466 | ppd->threshold_cong_event_map, | |
3467 | sizeof(cong_log->threshold_cong_event_map)); | |
3468 | /* keep timestamp in units of 1.024 usec */ | |
3469 | ts = ktime_to_ns(ktime_get()) / 1024; | |
3470 | cong_log->current_time_stamp = cpu_to_be32(ts); | |
3471 | for (i = 0; i < OPA_CONG_LOG_ELEMS; i++) { | |
3472 | struct opa_hfi1_cong_log_event_internal *cce = | |
3473 | &ppd->cc_events[ppd->cc_mad_idx++]; | |
3474 | if (ppd->cc_mad_idx == OPA_CONG_LOG_ELEMS) | |
3475 | ppd->cc_mad_idx = 0; | |
3476 | /* | |
3477 | * Entries which are older than twice the time | |
3478 | * required to wrap the counter are supposed to | |
3479 | * be zeroed (CA10-49 IBTA, release 1.2.1, V1). | |
3480 | */ | |
3481 | if ((u64)(ts - cce->timestamp) > (2 * UINT_MAX)) | |
3482 | continue; | |
3483 | memcpy(cong_log->events[i].local_qp_cn_entry, &cce->lqpn, 3); | |
3484 | memcpy(cong_log->events[i].remote_qp_number_cn_entry, | |
17fb4f29 | 3485 | &cce->rqpn, 3); |
77241056 MM |
3486 | cong_log->events[i].sl_svc_type_cn_entry = |
3487 | ((cce->sl & 0x1f) << 3) | (cce->svc_type & 0x7); | |
3488 | cong_log->events[i].remote_lid_cn_entry = | |
3489 | cpu_to_be32(cce->rlid); | |
3490 | cong_log->events[i].timestamp_cn_entry = | |
3491 | cpu_to_be32(cce->timestamp); | |
3492 | } | |
3493 | ||
3494 | /* | |
3495 | * Reset threshold_cong_event_map, and threshold_event_counter | |
3496 | * to 0 when log is read. | |
3497 | */ | |
3498 | memset(ppd->threshold_cong_event_map, 0x0, | |
3499 | sizeof(ppd->threshold_cong_event_map)); | |
3500 | ppd->threshold_event_counter = 0; | |
3501 | ||
b77d713a | 3502 | spin_unlock_irq(&ppd->cc_log_lock); |
77241056 MM |
3503 | |
3504 | if (resp_len) | |
3505 | *resp_len += sizeof(struct opa_hfi1_cong_log); | |
3506 | ||
3507 | return reply((struct ib_mad_hdr *)smp); | |
3508 | } | |
3509 | ||
3510 | static int __subn_get_opa_cc_table(struct opa_smp *smp, u32 am, u8 *data, | |
3511 | struct ib_device *ibdev, u8 port, | |
3512 | u32 *resp_len) | |
3513 | { | |
3514 | struct ib_cc_table_attr *cc_table_attr = | |
50e5dcbe | 3515 | (struct ib_cc_table_attr *)data; |
77241056 MM |
3516 | struct hfi1_ibport *ibp = to_iport(ibdev, port); |
3517 | struct hfi1_pportdata *ppd = ppd_from_ibp(ibp); | |
3518 | u32 start_block = OPA_AM_START_BLK(am); | |
3519 | u32 n_blocks = OPA_AM_NBLK(am); | |
3520 | struct ib_cc_table_entry_shadow *entries; | |
3521 | int i, j; | |
3522 | u32 sentry, eentry; | |
3523 | struct cc_state *cc_state; | |
3524 | ||
3525 | /* sanity check n_blocks, start_block */ | |
3526 | if (n_blocks == 0 || | |
3527 | start_block + n_blocks > ppd->cc_max_table_entries) { | |
3528 | smp->status |= IB_SMP_INVALID_FIELD; | |
3529 | return reply((struct ib_mad_hdr *)smp); | |
3530 | } | |
3531 | ||
3532 | rcu_read_lock(); | |
3533 | ||
3534 | cc_state = get_cc_state(ppd); | |
3535 | ||
d125a6c6 | 3536 | if (!cc_state) { |
77241056 MM |
3537 | rcu_read_unlock(); |
3538 | return reply((struct ib_mad_hdr *)smp); | |
3539 | } | |
3540 | ||
3541 | sentry = start_block * IB_CCT_ENTRIES; | |
3542 | eentry = sentry + (IB_CCT_ENTRIES * n_blocks); | |
3543 | ||
3544 | cc_table_attr->ccti_limit = cpu_to_be16(cc_state->cct.ccti_limit); | |
3545 | ||
3546 | entries = cc_state->cct.entries; | |
3547 | ||
3548 | /* return n_blocks, though the last block may not be full */ | |
3549 | for (j = 0, i = sentry; i < eentry; j++, i++) | |
3550 | cc_table_attr->ccti_entries[j].entry = | |
3551 | cpu_to_be16(entries[i].entry); | |
3552 | ||
3553 | rcu_read_unlock(); | |
3554 | ||
3555 | if (resp_len) | |
8638b77f | 3556 | *resp_len += sizeof(u16) * (IB_CCT_ENTRIES * n_blocks + 1); |
77241056 MM |
3557 | |
3558 | return reply((struct ib_mad_hdr *)smp); | |
3559 | } | |
3560 | ||
77241056 MM |
3561 | static int __subn_set_opa_cc_table(struct opa_smp *smp, u32 am, u8 *data, |
3562 | struct ib_device *ibdev, u8 port, | |
3563 | u32 *resp_len) | |
3564 | { | |
50e5dcbe | 3565 | struct ib_cc_table_attr *p = (struct ib_cc_table_attr *)data; |
77241056 MM |
3566 | struct hfi1_ibport *ibp = to_iport(ibdev, port); |
3567 | struct hfi1_pportdata *ppd = ppd_from_ibp(ibp); | |
3568 | u32 start_block = OPA_AM_START_BLK(am); | |
3569 | u32 n_blocks = OPA_AM_NBLK(am); | |
3570 | struct ib_cc_table_entry_shadow *entries; | |
3571 | int i, j; | |
3572 | u32 sentry, eentry; | |
3573 | u16 ccti_limit; | |
77241056 MM |
3574 | |
3575 | /* sanity check n_blocks, start_block */ | |
3576 | if (n_blocks == 0 || | |
3577 | start_block + n_blocks > ppd->cc_max_table_entries) { | |
3578 | smp->status |= IB_SMP_INVALID_FIELD; | |
3579 | return reply((struct ib_mad_hdr *)smp); | |
3580 | } | |
3581 | ||
3582 | sentry = start_block * IB_CCT_ENTRIES; | |
3583 | eentry = sentry + ((n_blocks - 1) * IB_CCT_ENTRIES) + | |
3584 | (be16_to_cpu(p->ccti_limit)) % IB_CCT_ENTRIES + 1; | |
3585 | ||
3586 | /* sanity check ccti_limit */ | |
3587 | ccti_limit = be16_to_cpu(p->ccti_limit); | |
3588 | if (ccti_limit + 1 > eentry) { | |
3589 | smp->status |= IB_SMP_INVALID_FIELD; | |
3590 | return reply((struct ib_mad_hdr *)smp); | |
3591 | } | |
3592 | ||
f036780b DL |
3593 | /* |
3594 | * Save details from packet into the ppd. Hold the cc_state_lock so | |
3595 | * our information is consistent with anyone trying to apply the state. | |
3596 | */ | |
77241056 | 3597 | spin_lock(&ppd->cc_state_lock); |
77241056 | 3598 | ppd->total_cct_entry = ccti_limit + 1; |
f036780b | 3599 | entries = ppd->ccti_entries; |
77241056 MM |
3600 | for (j = 0, i = sentry; i < eentry; j++, i++) |
3601 | entries[i].entry = be16_to_cpu(p->ccti_entries[j].entry); | |
77241056 MM |
3602 | spin_unlock(&ppd->cc_state_lock); |
3603 | ||
f036780b DL |
3604 | /* now apply the information */ |
3605 | apply_cc_state(ppd); | |
77241056 | 3606 | |
77241056 MM |
3607 | return __subn_get_opa_cc_table(smp, am, data, ibdev, port, resp_len); |
3608 | } | |
3609 | ||
3610 | struct opa_led_info { | |
3611 | __be32 rsvd_led_mask; | |
3612 | __be32 rsvd; | |
3613 | }; | |
3614 | ||
3615 | #define OPA_LED_SHIFT 31 | |
349ac71f | 3616 | #define OPA_LED_MASK BIT(OPA_LED_SHIFT) |
77241056 MM |
3617 | |
3618 | static int __subn_get_opa_led_info(struct opa_smp *smp, u32 am, u8 *data, | |
3619 | struct ib_device *ibdev, u8 port, | |
3620 | u32 *resp_len) | |
3621 | { | |
3622 | struct hfi1_devdata *dd = dd_from_ibdev(ibdev); | |
409b1462 | 3623 | struct hfi1_pportdata *ppd = dd->pport; |
50e5dcbe | 3624 | struct opa_led_info *p = (struct opa_led_info *)data; |
77241056 | 3625 | u32 nport = OPA_AM_NPORT(am); |
409b1462 | 3626 | u32 is_beaconing_active; |
77241056 | 3627 | |
801cfd6d | 3628 | if (nport != 1) { |
77241056 MM |
3629 | smp->status |= IB_SMP_INVALID_FIELD; |
3630 | return reply((struct ib_mad_hdr *)smp); | |
3631 | } | |
3632 | ||
409b1462 | 3633 | /* |
2243472e EH |
3634 | * This pairs with the memory barrier in hfi1_start_led_override to |
3635 | * ensure that we read the correct state of LED beaconing represented | |
3636 | * by led_override_timer_active | |
409b1462 | 3637 | */ |
2243472e | 3638 | smp_rmb(); |
409b1462 EH |
3639 | is_beaconing_active = !!atomic_read(&ppd->led_override_timer_active); |
3640 | p->rsvd_led_mask = cpu_to_be32(is_beaconing_active << OPA_LED_SHIFT); | |
77241056 MM |
3641 | |
3642 | if (resp_len) | |
3643 | *resp_len += sizeof(struct opa_led_info); | |
3644 | ||
3645 | return reply((struct ib_mad_hdr *)smp); | |
3646 | } | |
3647 | ||
3648 | static int __subn_set_opa_led_info(struct opa_smp *smp, u32 am, u8 *data, | |
3649 | struct ib_device *ibdev, u8 port, | |
3650 | u32 *resp_len) | |
3651 | { | |
3652 | struct hfi1_devdata *dd = dd_from_ibdev(ibdev); | |
50e5dcbe | 3653 | struct opa_led_info *p = (struct opa_led_info *)data; |
77241056 MM |
3654 | u32 nport = OPA_AM_NPORT(am); |
3655 | int on = !!(be32_to_cpu(p->rsvd_led_mask) & OPA_LED_MASK); | |
3656 | ||
801cfd6d | 3657 | if (nport != 1) { |
77241056 MM |
3658 | smp->status |= IB_SMP_INVALID_FIELD; |
3659 | return reply((struct ib_mad_hdr *)smp); | |
3660 | } | |
3661 | ||
91ab4ed3 | 3662 | if (on) |
2243472e | 3663 | hfi1_start_led_override(dd->pport, 2000, 1500); |
91ab4ed3 | 3664 | else |
2243472e | 3665 | shutdown_led_override(dd->pport); |
77241056 MM |
3666 | |
3667 | return __subn_get_opa_led_info(smp, am, data, ibdev, port, resp_len); | |
3668 | } | |
3669 | ||
3670 | static int subn_get_opa_sma(__be16 attr_id, struct opa_smp *smp, u32 am, | |
3671 | u8 *data, struct ib_device *ibdev, u8 port, | |
3672 | u32 *resp_len) | |
3673 | { | |
3674 | int ret; | |
3675 | struct hfi1_ibport *ibp = to_iport(ibdev, port); | |
3676 | ||
3677 | switch (attr_id) { | |
3678 | case IB_SMP_ATTR_NODE_DESC: | |
3679 | ret = __subn_get_opa_nodedesc(smp, am, data, ibdev, port, | |
3680 | resp_len); | |
3681 | break; | |
3682 | case IB_SMP_ATTR_NODE_INFO: | |
3683 | ret = __subn_get_opa_nodeinfo(smp, am, data, ibdev, port, | |
3684 | resp_len); | |
3685 | break; | |
3686 | case IB_SMP_ATTR_PORT_INFO: | |
3687 | ret = __subn_get_opa_portinfo(smp, am, data, ibdev, port, | |
3688 | resp_len); | |
3689 | break; | |
3690 | case IB_SMP_ATTR_PKEY_TABLE: | |
3691 | ret = __subn_get_opa_pkeytable(smp, am, data, ibdev, port, | |
3692 | resp_len); | |
3693 | break; | |
3694 | case OPA_ATTRIB_ID_SL_TO_SC_MAP: | |
3695 | ret = __subn_get_opa_sl_to_sc(smp, am, data, ibdev, port, | |
3696 | resp_len); | |
3697 | break; | |
3698 | case OPA_ATTRIB_ID_SC_TO_SL_MAP: | |
3699 | ret = __subn_get_opa_sc_to_sl(smp, am, data, ibdev, port, | |
3700 | resp_len); | |
3701 | break; | |
3702 | case OPA_ATTRIB_ID_SC_TO_VLT_MAP: | |
3703 | ret = __subn_get_opa_sc_to_vlt(smp, am, data, ibdev, port, | |
3704 | resp_len); | |
3705 | break; | |
3706 | case OPA_ATTRIB_ID_SC_TO_VLNT_MAP: | |
3707 | ret = __subn_get_opa_sc_to_vlnt(smp, am, data, ibdev, port, | |
17fb4f29 | 3708 | resp_len); |
77241056 MM |
3709 | break; |
3710 | case OPA_ATTRIB_ID_PORT_STATE_INFO: | |
3711 | ret = __subn_get_opa_psi(smp, am, data, ibdev, port, | |
3712 | resp_len); | |
3713 | break; | |
3714 | case OPA_ATTRIB_ID_BUFFER_CONTROL_TABLE: | |
3715 | ret = __subn_get_opa_bct(smp, am, data, ibdev, port, | |
3716 | resp_len); | |
3717 | break; | |
3718 | case OPA_ATTRIB_ID_CABLE_INFO: | |
3719 | ret = __subn_get_opa_cable_info(smp, am, data, ibdev, port, | |
3720 | resp_len); | |
3721 | break; | |
3722 | case IB_SMP_ATTR_VL_ARB_TABLE: | |
3723 | ret = __subn_get_opa_vl_arb(smp, am, data, ibdev, port, | |
3724 | resp_len); | |
3725 | break; | |
3726 | case OPA_ATTRIB_ID_CONGESTION_INFO: | |
3727 | ret = __subn_get_opa_cong_info(smp, am, data, ibdev, port, | |
3728 | resp_len); | |
3729 | break; | |
3730 | case OPA_ATTRIB_ID_HFI_CONGESTION_SETTING: | |
3731 | ret = __subn_get_opa_cong_setting(smp, am, data, ibdev, | |
3732 | port, resp_len); | |
3733 | break; | |
3734 | case OPA_ATTRIB_ID_HFI_CONGESTION_LOG: | |
3735 | ret = __subn_get_opa_hfi1_cong_log(smp, am, data, ibdev, | |
3736 | port, resp_len); | |
3737 | break; | |
3738 | case OPA_ATTRIB_ID_CONGESTION_CONTROL_TABLE: | |
3739 | ret = __subn_get_opa_cc_table(smp, am, data, ibdev, port, | |
3740 | resp_len); | |
3741 | break; | |
3742 | case IB_SMP_ATTR_LED_INFO: | |
3743 | ret = __subn_get_opa_led_info(smp, am, data, ibdev, port, | |
3744 | resp_len); | |
3745 | break; | |
3746 | case IB_SMP_ATTR_SM_INFO: | |
4eb06882 | 3747 | if (ibp->rvp.port_cap_flags & IB_PORT_SM_DISABLED) |
77241056 | 3748 | return IB_MAD_RESULT_SUCCESS | IB_MAD_RESULT_CONSUMED; |
4eb06882 | 3749 | if (ibp->rvp.port_cap_flags & IB_PORT_SM) |
77241056 MM |
3750 | return IB_MAD_RESULT_SUCCESS; |
3751 | /* FALLTHROUGH */ | |
3752 | default: | |
3753 | smp->status |= IB_SMP_UNSUP_METH_ATTR; | |
3754 | ret = reply((struct ib_mad_hdr *)smp); | |
3755 | break; | |
3756 | } | |
3757 | return ret; | |
3758 | } | |
3759 | ||
3760 | static int subn_set_opa_sma(__be16 attr_id, struct opa_smp *smp, u32 am, | |
3761 | u8 *data, struct ib_device *ibdev, u8 port, | |
3762 | u32 *resp_len) | |
3763 | { | |
3764 | int ret; | |
3765 | struct hfi1_ibport *ibp = to_iport(ibdev, port); | |
3766 | ||
3767 | switch (attr_id) { | |
3768 | case IB_SMP_ATTR_PORT_INFO: | |
3769 | ret = __subn_set_opa_portinfo(smp, am, data, ibdev, port, | |
3770 | resp_len); | |
3771 | break; | |
3772 | case IB_SMP_ATTR_PKEY_TABLE: | |
3773 | ret = __subn_set_opa_pkeytable(smp, am, data, ibdev, port, | |
3774 | resp_len); | |
3775 | break; | |
3776 | case OPA_ATTRIB_ID_SL_TO_SC_MAP: | |
3777 | ret = __subn_set_opa_sl_to_sc(smp, am, data, ibdev, port, | |
3778 | resp_len); | |
3779 | break; | |
3780 | case OPA_ATTRIB_ID_SC_TO_SL_MAP: | |
3781 | ret = __subn_set_opa_sc_to_sl(smp, am, data, ibdev, port, | |
3782 | resp_len); | |
3783 | break; | |
3784 | case OPA_ATTRIB_ID_SC_TO_VLT_MAP: | |
3785 | ret = __subn_set_opa_sc_to_vlt(smp, am, data, ibdev, port, | |
3786 | resp_len); | |
3787 | break; | |
3788 | case OPA_ATTRIB_ID_SC_TO_VLNT_MAP: | |
3789 | ret = __subn_set_opa_sc_to_vlnt(smp, am, data, ibdev, port, | |
17fb4f29 | 3790 | resp_len); |
77241056 MM |
3791 | break; |
3792 | case OPA_ATTRIB_ID_PORT_STATE_INFO: | |
3793 | ret = __subn_set_opa_psi(smp, am, data, ibdev, port, | |
3794 | resp_len); | |
3795 | break; | |
3796 | case OPA_ATTRIB_ID_BUFFER_CONTROL_TABLE: | |
3797 | ret = __subn_set_opa_bct(smp, am, data, ibdev, port, | |
3798 | resp_len); | |
3799 | break; | |
3800 | case IB_SMP_ATTR_VL_ARB_TABLE: | |
3801 | ret = __subn_set_opa_vl_arb(smp, am, data, ibdev, port, | |
3802 | resp_len); | |
3803 | break; | |
3804 | case OPA_ATTRIB_ID_HFI_CONGESTION_SETTING: | |
3805 | ret = __subn_set_opa_cong_setting(smp, am, data, ibdev, | |
3806 | port, resp_len); | |
3807 | break; | |
3808 | case OPA_ATTRIB_ID_CONGESTION_CONTROL_TABLE: | |
3809 | ret = __subn_set_opa_cc_table(smp, am, data, ibdev, port, | |
3810 | resp_len); | |
3811 | break; | |
3812 | case IB_SMP_ATTR_LED_INFO: | |
3813 | ret = __subn_set_opa_led_info(smp, am, data, ibdev, port, | |
3814 | resp_len); | |
3815 | break; | |
3816 | case IB_SMP_ATTR_SM_INFO: | |
4eb06882 | 3817 | if (ibp->rvp.port_cap_flags & IB_PORT_SM_DISABLED) |
77241056 | 3818 | return IB_MAD_RESULT_SUCCESS | IB_MAD_RESULT_CONSUMED; |
4eb06882 | 3819 | if (ibp->rvp.port_cap_flags & IB_PORT_SM) |
77241056 MM |
3820 | return IB_MAD_RESULT_SUCCESS; |
3821 | /* FALLTHROUGH */ | |
3822 | default: | |
3823 | smp->status |= IB_SMP_UNSUP_METH_ATTR; | |
3824 | ret = reply((struct ib_mad_hdr *)smp); | |
3825 | break; | |
3826 | } | |
3827 | return ret; | |
3828 | } | |
3829 | ||
3830 | static inline void set_aggr_error(struct opa_aggregate *ag) | |
3831 | { | |
3832 | ag->err_reqlength |= cpu_to_be16(0x8000); | |
3833 | } | |
3834 | ||
3835 | static int subn_get_opa_aggregate(struct opa_smp *smp, | |
3836 | struct ib_device *ibdev, u8 port, | |
3837 | u32 *resp_len) | |
3838 | { | |
3839 | int i; | |
3840 | u32 num_attr = be32_to_cpu(smp->attr_mod) & 0x000000ff; | |
3841 | u8 *next_smp = opa_get_smp_data(smp); | |
3842 | ||
3843 | if (num_attr < 1 || num_attr > 117) { | |
3844 | smp->status |= IB_SMP_INVALID_FIELD; | |
3845 | return reply((struct ib_mad_hdr *)smp); | |
3846 | } | |
3847 | ||
3848 | for (i = 0; i < num_attr; i++) { | |
3849 | struct opa_aggregate *agg; | |
3850 | size_t agg_data_len; | |
3851 | size_t agg_size; | |
3852 | u32 am; | |
3853 | ||
3854 | agg = (struct opa_aggregate *)next_smp; | |
3855 | agg_data_len = (be16_to_cpu(agg->err_reqlength) & 0x007f) * 8; | |
3856 | agg_size = sizeof(*agg) + agg_data_len; | |
3857 | am = be32_to_cpu(agg->attr_mod); | |
3858 | ||
3859 | *resp_len += agg_size; | |
3860 | ||
3861 | if (next_smp + agg_size > ((u8 *)smp) + sizeof(*smp)) { | |
3862 | smp->status |= IB_SMP_INVALID_FIELD; | |
3863 | return reply((struct ib_mad_hdr *)smp); | |
3864 | } | |
3865 | ||
3866 | /* zero the payload for this segment */ | |
3867 | memset(next_smp + sizeof(*agg), 0, agg_data_len); | |
3868 | ||
50e5dcbe | 3869 | (void)subn_get_opa_sma(agg->attr_id, smp, am, agg->data, |
77241056 MM |
3870 | ibdev, port, NULL); |
3871 | if (smp->status & ~IB_SMP_DIRECTION) { | |
3872 | set_aggr_error(agg); | |
3873 | return reply((struct ib_mad_hdr *)smp); | |
3874 | } | |
3875 | next_smp += agg_size; | |
77241056 MM |
3876 | } |
3877 | ||
3878 | return reply((struct ib_mad_hdr *)smp); | |
3879 | } | |
3880 | ||
3881 | static int subn_set_opa_aggregate(struct opa_smp *smp, | |
3882 | struct ib_device *ibdev, u8 port, | |
3883 | u32 *resp_len) | |
3884 | { | |
3885 | int i; | |
3886 | u32 num_attr = be32_to_cpu(smp->attr_mod) & 0x000000ff; | |
3887 | u8 *next_smp = opa_get_smp_data(smp); | |
3888 | ||
3889 | if (num_attr < 1 || num_attr > 117) { | |
3890 | smp->status |= IB_SMP_INVALID_FIELD; | |
3891 | return reply((struct ib_mad_hdr *)smp); | |
3892 | } | |
3893 | ||
3894 | for (i = 0; i < num_attr; i++) { | |
3895 | struct opa_aggregate *agg; | |
3896 | size_t agg_data_len; | |
3897 | size_t agg_size; | |
3898 | u32 am; | |
3899 | ||
3900 | agg = (struct opa_aggregate *)next_smp; | |
3901 | agg_data_len = (be16_to_cpu(agg->err_reqlength) & 0x007f) * 8; | |
3902 | agg_size = sizeof(*agg) + agg_data_len; | |
3903 | am = be32_to_cpu(agg->attr_mod); | |
3904 | ||
3905 | *resp_len += agg_size; | |
3906 | ||
3907 | if (next_smp + agg_size > ((u8 *)smp) + sizeof(*smp)) { | |
3908 | smp->status |= IB_SMP_INVALID_FIELD; | |
3909 | return reply((struct ib_mad_hdr *)smp); | |
3910 | } | |
3911 | ||
50e5dcbe | 3912 | (void)subn_set_opa_sma(agg->attr_id, smp, am, agg->data, |
77241056 MM |
3913 | ibdev, port, NULL); |
3914 | if (smp->status & ~IB_SMP_DIRECTION) { | |
3915 | set_aggr_error(agg); | |
3916 | return reply((struct ib_mad_hdr *)smp); | |
3917 | } | |
3918 | next_smp += agg_size; | |
77241056 MM |
3919 | } |
3920 | ||
3921 | return reply((struct ib_mad_hdr *)smp); | |
3922 | } | |
3923 | ||
3924 | /* | |
3925 | * OPAv1 specifies that, on the transition to link up, these counters | |
3926 | * are cleared: | |
3927 | * PortRcvErrors [*] | |
3928 | * LinkErrorRecovery | |
3929 | * LocalLinkIntegrityErrors | |
3930 | * ExcessiveBufferOverruns [*] | |
3931 | * | |
3932 | * [*] Error info associated with these counters is retained, but the | |
3933 | * error info status is reset to 0. | |
3934 | */ | |
3935 | void clear_linkup_counters(struct hfi1_devdata *dd) | |
3936 | { | |
3937 | /* PortRcvErrors */ | |
3938 | write_dev_cntr(dd, C_DC_RCV_ERR, CNTR_INVALID_VL, 0); | |
3939 | dd->err_info_rcvport.status_and_code &= ~OPA_EI_STATUS_SMASK; | |
3940 | /* LinkErrorRecovery */ | |
3941 | write_dev_cntr(dd, C_DC_SEQ_CRC_CNT, CNTR_INVALID_VL, 0); | |
3942 | write_dev_cntr(dd, C_DC_REINIT_FROM_PEER_CNT, CNTR_INVALID_VL, 0); | |
3943 | /* LocalLinkIntegrityErrors */ | |
77241056 MM |
3944 | write_dev_cntr(dd, C_DC_RX_REPLAY, CNTR_INVALID_VL, 0); |
3945 | /* ExcessiveBufferOverruns */ | |
3946 | write_dev_cntr(dd, C_RCV_OVF, CNTR_INVALID_VL, 0); | |
3947 | dd->rcv_ovfl_cnt = 0; | |
3948 | dd->err_info_xmit_constraint.status &= ~OPA_EI_STATUS_SMASK; | |
3949 | } | |
3950 | ||
3951 | /* | |
3952 | * is_local_mad() returns 1 if 'mad' is sent from, and destined to the | |
3953 | * local node, 0 otherwise. | |
3954 | */ | |
3955 | static int is_local_mad(struct hfi1_ibport *ibp, const struct opa_mad *mad, | |
3956 | const struct ib_wc *in_wc) | |
3957 | { | |
3958 | struct hfi1_pportdata *ppd = ppd_from_ibp(ibp); | |
3959 | const struct opa_smp *smp = (const struct opa_smp *)mad; | |
3960 | ||
3961 | if (smp->mgmt_class == IB_MGMT_CLASS_SUBN_DIRECTED_ROUTE) { | |
3962 | return (smp->hop_cnt == 0 && | |
3963 | smp->route.dr.dr_slid == OPA_LID_PERMISSIVE && | |
3964 | smp->route.dr.dr_dlid == OPA_LID_PERMISSIVE); | |
3965 | } | |
3966 | ||
3967 | return (in_wc->slid == ppd->lid); | |
3968 | } | |
3969 | ||
3970 | /* | |
3971 | * opa_local_smp_check() should only be called on MADs for which | |
3972 | * is_local_mad() returns true. It applies the SMP checks that are | |
3973 | * specific to SMPs which are sent from, and destined to this node. | |
3974 | * opa_local_smp_check() returns 0 if the SMP passes its checks, 1 | |
3975 | * otherwise. | |
3976 | * | |
3977 | * SMPs which arrive from other nodes are instead checked by | |
3978 | * opa_smp_check(). | |
3979 | */ | |
3980 | static int opa_local_smp_check(struct hfi1_ibport *ibp, | |
3981 | const struct ib_wc *in_wc) | |
3982 | { | |
3983 | struct hfi1_pportdata *ppd = ppd_from_ibp(ibp); | |
3984 | u16 slid = in_wc->slid; | |
3985 | u16 pkey; | |
3986 | ||
3987 | if (in_wc->pkey_index >= ARRAY_SIZE(ppd->pkeys)) | |
3988 | return 1; | |
3989 | ||
3990 | pkey = ppd->pkeys[in_wc->pkey_index]; | |
3991 | /* | |
3992 | * We need to do the "node-local" checks specified in OPAv1, | |
3993 | * rev 0.90, section 9.10.26, which are: | |
3994 | * - pkey is 0x7fff, or 0xffff | |
3995 | * - Source QPN == 0 || Destination QPN == 0 | |
3996 | * - the MAD header's management class is either | |
3997 | * IB_MGMT_CLASS_SUBN_DIRECTED_ROUTE or | |
3998 | * IB_MGMT_CLASS_SUBN_LID_ROUTED | |
3999 | * - SLID != 0 | |
4000 | * | |
4001 | * However, we know (and so don't need to check again) that, | |
4002 | * for local SMPs, the MAD stack passes MADs with: | |
4003 | * - Source QPN of 0 | |
4004 | * - MAD mgmt_class is IB_MGMT_CLASS_SUBN_DIRECTED_ROUTE | |
4005 | * - SLID is either: OPA_LID_PERMISSIVE (0xFFFFFFFF), or | |
4006 | * our own port's lid | |
4007 | * | |
4008 | */ | |
4009 | if (pkey == LIM_MGMT_P_KEY || pkey == FULL_MGMT_P_KEY) | |
4010 | return 0; | |
4011 | ingress_pkey_table_fail(ppd, pkey, slid); | |
4012 | return 1; | |
4013 | } | |
4014 | ||
4015 | static int process_subn_opa(struct ib_device *ibdev, int mad_flags, | |
4016 | u8 port, const struct opa_mad *in_mad, | |
4017 | struct opa_mad *out_mad, | |
4018 | u32 *resp_len) | |
4019 | { | |
4020 | struct opa_smp *smp = (struct opa_smp *)out_mad; | |
4021 | struct hfi1_ibport *ibp = to_iport(ibdev, port); | |
4022 | u8 *data; | |
4023 | u32 am; | |
4024 | __be16 attr_id; | |
4025 | int ret; | |
4026 | ||
4027 | *out_mad = *in_mad; | |
4028 | data = opa_get_smp_data(smp); | |
4029 | ||
4030 | am = be32_to_cpu(smp->attr_mod); | |
4031 | attr_id = smp->attr_id; | |
4032 | if (smp->class_version != OPA_SMI_CLASS_VERSION) { | |
4033 | smp->status |= IB_SMP_UNSUP_VERSION; | |
4034 | ret = reply((struct ib_mad_hdr *)smp); | |
5950e9b1 | 4035 | return ret; |
77241056 MM |
4036 | } |
4037 | ret = check_mkey(ibp, (struct ib_mad_hdr *)smp, mad_flags, smp->mkey, | |
4038 | smp->route.dr.dr_slid, smp->route.dr.return_path, | |
4039 | smp->hop_cnt); | |
4040 | if (ret) { | |
4041 | u32 port_num = be32_to_cpu(smp->attr_mod); | |
4042 | ||
4043 | /* | |
4044 | * If this is a get/set portinfo, we already check the | |
4045 | * M_Key if the MAD is for another port and the M_Key | |
4046 | * is OK on the receiving port. This check is needed | |
4047 | * to increment the error counters when the M_Key | |
4048 | * fails to match on *both* ports. | |
4049 | */ | |
4050 | if (attr_id == IB_SMP_ATTR_PORT_INFO && | |
4051 | (smp->method == IB_MGMT_METHOD_GET || | |
4052 | smp->method == IB_MGMT_METHOD_SET) && | |
4053 | port_num && port_num <= ibdev->phys_port_cnt && | |
4054 | port != port_num) | |
50e5dcbe | 4055 | (void)check_mkey(to_iport(ibdev, port_num), |
77241056 MM |
4056 | (struct ib_mad_hdr *)smp, 0, |
4057 | smp->mkey, smp->route.dr.dr_slid, | |
4058 | smp->route.dr.return_path, | |
4059 | smp->hop_cnt); | |
4060 | ret = IB_MAD_RESULT_FAILURE; | |
5950e9b1 | 4061 | return ret; |
77241056 MM |
4062 | } |
4063 | ||
4064 | *resp_len = opa_get_smp_header_size(smp); | |
4065 | ||
4066 | switch (smp->method) { | |
4067 | case IB_MGMT_METHOD_GET: | |
4068 | switch (attr_id) { | |
4069 | default: | |
4070 | clear_opa_smp_data(smp); | |
4071 | ret = subn_get_opa_sma(attr_id, smp, am, data, | |
4072 | ibdev, port, resp_len); | |
5950e9b1 | 4073 | break; |
77241056 MM |
4074 | case OPA_ATTRIB_ID_AGGREGATE: |
4075 | ret = subn_get_opa_aggregate(smp, ibdev, port, | |
4076 | resp_len); | |
5950e9b1 | 4077 | break; |
77241056 | 4078 | } |
5950e9b1 | 4079 | break; |
77241056 MM |
4080 | case IB_MGMT_METHOD_SET: |
4081 | switch (attr_id) { | |
4082 | default: | |
4083 | ret = subn_set_opa_sma(attr_id, smp, am, data, | |
4084 | ibdev, port, resp_len); | |
5950e9b1 | 4085 | break; |
77241056 MM |
4086 | case OPA_ATTRIB_ID_AGGREGATE: |
4087 | ret = subn_set_opa_aggregate(smp, ibdev, port, | |
4088 | resp_len); | |
5950e9b1 | 4089 | break; |
77241056 | 4090 | } |
5950e9b1 | 4091 | break; |
77241056 MM |
4092 | case IB_MGMT_METHOD_TRAP: |
4093 | case IB_MGMT_METHOD_REPORT: | |
4094 | case IB_MGMT_METHOD_REPORT_RESP: | |
4095 | case IB_MGMT_METHOD_GET_RESP: | |
4096 | /* | |
4097 | * The ib_mad module will call us to process responses | |
4098 | * before checking for other consumers. | |
4099 | * Just tell the caller to process it normally. | |
4100 | */ | |
4101 | ret = IB_MAD_RESULT_SUCCESS; | |
5950e9b1 | 4102 | break; |
77241056 MM |
4103 | default: |
4104 | smp->status |= IB_SMP_UNSUP_METHOD; | |
4105 | ret = reply((struct ib_mad_hdr *)smp); | |
5950e9b1 | 4106 | break; |
77241056 MM |
4107 | } |
4108 | ||
77241056 MM |
4109 | return ret; |
4110 | } | |
4111 | ||
4112 | static int process_subn(struct ib_device *ibdev, int mad_flags, | |
4113 | u8 port, const struct ib_mad *in_mad, | |
4114 | struct ib_mad *out_mad) | |
4115 | { | |
4116 | struct ib_smp *smp = (struct ib_smp *)out_mad; | |
4117 | struct hfi1_ibport *ibp = to_iport(ibdev, port); | |
4118 | int ret; | |
4119 | ||
4120 | *out_mad = *in_mad; | |
4121 | if (smp->class_version != 1) { | |
4122 | smp->status |= IB_SMP_UNSUP_VERSION; | |
4123 | ret = reply((struct ib_mad_hdr *)smp); | |
5950e9b1 | 4124 | return ret; |
77241056 MM |
4125 | } |
4126 | ||
4127 | ret = check_mkey(ibp, (struct ib_mad_hdr *)smp, mad_flags, | |
4128 | smp->mkey, (__force __be32)smp->dr_slid, | |
4129 | smp->return_path, smp->hop_cnt); | |
4130 | if (ret) { | |
4131 | u32 port_num = be32_to_cpu(smp->attr_mod); | |
4132 | ||
4133 | /* | |
4134 | * If this is a get/set portinfo, we already check the | |
4135 | * M_Key if the MAD is for another port and the M_Key | |
4136 | * is OK on the receiving port. This check is needed | |
4137 | * to increment the error counters when the M_Key | |
4138 | * fails to match on *both* ports. | |
4139 | */ | |
4140 | if (in_mad->mad_hdr.attr_id == IB_SMP_ATTR_PORT_INFO && | |
4141 | (smp->method == IB_MGMT_METHOD_GET || | |
4142 | smp->method == IB_MGMT_METHOD_SET) && | |
4143 | port_num && port_num <= ibdev->phys_port_cnt && | |
4144 | port != port_num) | |
50e5dcbe | 4145 | (void)check_mkey(to_iport(ibdev, port_num), |
17fb4f29 JJ |
4146 | (struct ib_mad_hdr *)smp, 0, |
4147 | smp->mkey, | |
4148 | (__force __be32)smp->dr_slid, | |
4149 | smp->return_path, smp->hop_cnt); | |
77241056 | 4150 | ret = IB_MAD_RESULT_FAILURE; |
5950e9b1 | 4151 | return ret; |
77241056 MM |
4152 | } |
4153 | ||
4154 | switch (smp->method) { | |
4155 | case IB_MGMT_METHOD_GET: | |
4156 | switch (smp->attr_id) { | |
4157 | case IB_SMP_ATTR_NODE_INFO: | |
4158 | ret = subn_get_nodeinfo(smp, ibdev, port); | |
5950e9b1 | 4159 | break; |
77241056 MM |
4160 | default: |
4161 | smp->status |= IB_SMP_UNSUP_METH_ATTR; | |
4162 | ret = reply((struct ib_mad_hdr *)smp); | |
5950e9b1 | 4163 | break; |
77241056 | 4164 | } |
5950e9b1 | 4165 | break; |
77241056 MM |
4166 | } |
4167 | ||
77241056 MM |
4168 | return ret; |
4169 | } | |
4170 | ||
b8d114eb SS |
4171 | static int process_perf(struct ib_device *ibdev, u8 port, |
4172 | const struct ib_mad *in_mad, | |
4173 | struct ib_mad *out_mad) | |
4174 | { | |
4175 | struct ib_pma_mad *pmp = (struct ib_pma_mad *)out_mad; | |
4176 | struct ib_class_port_info *cpi = (struct ib_class_port_info *) | |
4177 | &pmp->data; | |
4178 | int ret = IB_MAD_RESULT_FAILURE; | |
4179 | ||
4180 | *out_mad = *in_mad; | |
4181 | if (pmp->mad_hdr.class_version != 1) { | |
4182 | pmp->mad_hdr.status |= IB_SMP_UNSUP_VERSION; | |
4183 | ret = reply((struct ib_mad_hdr *)pmp); | |
4184 | return ret; | |
4185 | } | |
4186 | ||
4187 | switch (pmp->mad_hdr.method) { | |
4188 | case IB_MGMT_METHOD_GET: | |
4189 | switch (pmp->mad_hdr.attr_id) { | |
4190 | case IB_PMA_PORT_COUNTERS: | |
4191 | ret = pma_get_ib_portcounters(pmp, ibdev, port); | |
4192 | break; | |
4193 | case IB_PMA_PORT_COUNTERS_EXT: | |
4194 | ret = pma_get_ib_portcounters_ext(pmp, ibdev, port); | |
4195 | break; | |
4196 | case IB_PMA_CLASS_PORT_INFO: | |
4197 | cpi->capability_mask = IB_PMA_CLASS_CAP_EXT_WIDTH; | |
4198 | ret = reply((struct ib_mad_hdr *)pmp); | |
4199 | break; | |
4200 | default: | |
4201 | pmp->mad_hdr.status |= IB_SMP_UNSUP_METH_ATTR; | |
4202 | ret = reply((struct ib_mad_hdr *)pmp); | |
4203 | break; | |
4204 | } | |
4205 | break; | |
4206 | ||
4207 | case IB_MGMT_METHOD_SET: | |
4208 | if (pmp->mad_hdr.attr_id) { | |
4209 | pmp->mad_hdr.status |= IB_SMP_UNSUP_METH_ATTR; | |
4210 | ret = reply((struct ib_mad_hdr *)pmp); | |
4211 | } | |
4212 | break; | |
4213 | ||
4214 | case IB_MGMT_METHOD_TRAP: | |
4215 | case IB_MGMT_METHOD_GET_RESP: | |
4216 | /* | |
4217 | * The ib_mad module will call us to process responses | |
4218 | * before checking for other consumers. | |
4219 | * Just tell the caller to process it normally. | |
4220 | */ | |
4221 | ret = IB_MAD_RESULT_SUCCESS; | |
4222 | break; | |
4223 | ||
4224 | default: | |
4225 | pmp->mad_hdr.status |= IB_SMP_UNSUP_METHOD; | |
4226 | ret = reply((struct ib_mad_hdr *)pmp); | |
4227 | break; | |
77241056 MM |
4228 | } |
4229 | ||
77241056 MM |
4230 | return ret; |
4231 | } | |
4232 | ||
4233 | static int process_perf_opa(struct ib_device *ibdev, u8 port, | |
4234 | const struct opa_mad *in_mad, | |
4235 | struct opa_mad *out_mad, u32 *resp_len) | |
4236 | { | |
4237 | struct opa_pma_mad *pmp = (struct opa_pma_mad *)out_mad; | |
4238 | int ret; | |
4239 | ||
4240 | *out_mad = *in_mad; | |
4241 | ||
4242 | if (pmp->mad_hdr.class_version != OPA_SMI_CLASS_VERSION) { | |
4243 | pmp->mad_hdr.status |= IB_SMP_UNSUP_VERSION; | |
4244 | return reply((struct ib_mad_hdr *)pmp); | |
4245 | } | |
4246 | ||
4247 | *resp_len = sizeof(pmp->mad_hdr); | |
4248 | ||
4249 | switch (pmp->mad_hdr.method) { | |
4250 | case IB_MGMT_METHOD_GET: | |
4251 | switch (pmp->mad_hdr.attr_id) { | |
4252 | case IB_PMA_CLASS_PORT_INFO: | |
4253 | ret = pma_get_opa_classportinfo(pmp, ibdev, resp_len); | |
5950e9b1 | 4254 | break; |
77241056 MM |
4255 | case OPA_PM_ATTRIB_ID_PORT_STATUS: |
4256 | ret = pma_get_opa_portstatus(pmp, ibdev, port, | |
17fb4f29 | 4257 | resp_len); |
5950e9b1 | 4258 | break; |
77241056 MM |
4259 | case OPA_PM_ATTRIB_ID_DATA_PORT_COUNTERS: |
4260 | ret = pma_get_opa_datacounters(pmp, ibdev, port, | |
17fb4f29 | 4261 | resp_len); |
5950e9b1 | 4262 | break; |
77241056 MM |
4263 | case OPA_PM_ATTRIB_ID_ERROR_PORT_COUNTERS: |
4264 | ret = pma_get_opa_porterrors(pmp, ibdev, port, | |
17fb4f29 | 4265 | resp_len); |
5950e9b1 | 4266 | break; |
77241056 MM |
4267 | case OPA_PM_ATTRIB_ID_ERROR_INFO: |
4268 | ret = pma_get_opa_errorinfo(pmp, ibdev, port, | |
17fb4f29 | 4269 | resp_len); |
5950e9b1 | 4270 | break; |
77241056 MM |
4271 | default: |
4272 | pmp->mad_hdr.status |= IB_SMP_UNSUP_METH_ATTR; | |
4273 | ret = reply((struct ib_mad_hdr *)pmp); | |
5950e9b1 | 4274 | break; |
77241056 | 4275 | } |
5950e9b1 | 4276 | break; |
77241056 MM |
4277 | |
4278 | case IB_MGMT_METHOD_SET: | |
4279 | switch (pmp->mad_hdr.attr_id) { | |
4280 | case OPA_PM_ATTRIB_ID_CLEAR_PORT_STATUS: | |
4281 | ret = pma_set_opa_portstatus(pmp, ibdev, port, | |
17fb4f29 | 4282 | resp_len); |
5950e9b1 | 4283 | break; |
77241056 MM |
4284 | case OPA_PM_ATTRIB_ID_ERROR_INFO: |
4285 | ret = pma_set_opa_errorinfo(pmp, ibdev, port, | |
17fb4f29 | 4286 | resp_len); |
5950e9b1 | 4287 | break; |
77241056 MM |
4288 | default: |
4289 | pmp->mad_hdr.status |= IB_SMP_UNSUP_METH_ATTR; | |
4290 | ret = reply((struct ib_mad_hdr *)pmp); | |
5950e9b1 | 4291 | break; |
77241056 | 4292 | } |
5950e9b1 | 4293 | break; |
77241056 MM |
4294 | |
4295 | case IB_MGMT_METHOD_TRAP: | |
4296 | case IB_MGMT_METHOD_GET_RESP: | |
4297 | /* | |
4298 | * The ib_mad module will call us to process responses | |
4299 | * before checking for other consumers. | |
4300 | * Just tell the caller to process it normally. | |
4301 | */ | |
4302 | ret = IB_MAD_RESULT_SUCCESS; | |
5950e9b1 | 4303 | break; |
77241056 MM |
4304 | |
4305 | default: | |
4306 | pmp->mad_hdr.status |= IB_SMP_UNSUP_METHOD; | |
4307 | ret = reply((struct ib_mad_hdr *)pmp); | |
5950e9b1 | 4308 | break; |
77241056 MM |
4309 | } |
4310 | ||
77241056 MM |
4311 | return ret; |
4312 | } | |
4313 | ||
4314 | static int hfi1_process_opa_mad(struct ib_device *ibdev, int mad_flags, | |
a724648e JB |
4315 | u8 port, const struct ib_wc *in_wc, |
4316 | const struct ib_grh *in_grh, | |
4317 | const struct opa_mad *in_mad, | |
4318 | struct opa_mad *out_mad, size_t *out_mad_size, | |
4319 | u16 *out_mad_pkey_index) | |
77241056 MM |
4320 | { |
4321 | int ret; | |
4322 | int pkey_idx; | |
4323 | u32 resp_len = 0; | |
4324 | struct hfi1_ibport *ibp = to_iport(ibdev, port); | |
4325 | ||
4326 | pkey_idx = hfi1_lookup_pkey_idx(ibp, LIM_MGMT_P_KEY); | |
4327 | if (pkey_idx < 0) { | |
4328 | pr_warn("failed to find limited mgmt pkey, defaulting 0x%x\n", | |
4329 | hfi1_get_pkey(ibp, 1)); | |
4330 | pkey_idx = 1; | |
4331 | } | |
4332 | *out_mad_pkey_index = (u16)pkey_idx; | |
4333 | ||
4334 | switch (in_mad->mad_hdr.mgmt_class) { | |
4335 | case IB_MGMT_CLASS_SUBN_DIRECTED_ROUTE: | |
4336 | case IB_MGMT_CLASS_SUBN_LID_ROUTED: | |
4337 | if (is_local_mad(ibp, in_mad, in_wc)) { | |
4338 | ret = opa_local_smp_check(ibp, in_wc); | |
4339 | if (ret) | |
4340 | return IB_MAD_RESULT_FAILURE; | |
4341 | } | |
4342 | ret = process_subn_opa(ibdev, mad_flags, port, in_mad, | |
4343 | out_mad, &resp_len); | |
4344 | goto bail; | |
4345 | case IB_MGMT_CLASS_PERF_MGMT: | |
4346 | ret = process_perf_opa(ibdev, port, in_mad, out_mad, | |
4347 | &resp_len); | |
4348 | goto bail; | |
4349 | ||
4350 | default: | |
4351 | ret = IB_MAD_RESULT_SUCCESS; | |
4352 | } | |
4353 | ||
4354 | bail: | |
4355 | if (ret & IB_MAD_RESULT_REPLY) | |
4356 | *out_mad_size = round_up(resp_len, 8); | |
4357 | else if (ret & IB_MAD_RESULT_SUCCESS) | |
4358 | *out_mad_size = in_wc->byte_len - sizeof(struct ib_grh); | |
4359 | ||
4360 | return ret; | |
4361 | } | |
4362 | ||
4363 | static int hfi1_process_ib_mad(struct ib_device *ibdev, int mad_flags, u8 port, | |
4364 | const struct ib_wc *in_wc, | |
4365 | const struct ib_grh *in_grh, | |
4366 | const struct ib_mad *in_mad, | |
4367 | struct ib_mad *out_mad) | |
4368 | { | |
4369 | int ret; | |
4370 | ||
4371 | switch (in_mad->mad_hdr.mgmt_class) { | |
4372 | case IB_MGMT_CLASS_SUBN_DIRECTED_ROUTE: | |
4373 | case IB_MGMT_CLASS_SUBN_LID_ROUTED: | |
4374 | ret = process_subn(ibdev, mad_flags, port, in_mad, out_mad); | |
5950e9b1 | 4375 | break; |
b8d114eb SS |
4376 | case IB_MGMT_CLASS_PERF_MGMT: |
4377 | ret = process_perf(ibdev, port, in_mad, out_mad); | |
4378 | break; | |
77241056 MM |
4379 | default: |
4380 | ret = IB_MAD_RESULT_SUCCESS; | |
5950e9b1 | 4381 | break; |
77241056 MM |
4382 | } |
4383 | ||
77241056 MM |
4384 | return ret; |
4385 | } | |
4386 | ||
4387 | /** | |
4388 | * hfi1_process_mad - process an incoming MAD packet | |
4389 | * @ibdev: the infiniband device this packet came in on | |
4390 | * @mad_flags: MAD flags | |
4391 | * @port: the port number this packet came in on | |
4392 | * @in_wc: the work completion entry for this packet | |
4393 | * @in_grh: the global route header for this packet | |
4394 | * @in_mad: the incoming MAD | |
4395 | * @out_mad: any outgoing MAD reply | |
4396 | * | |
4397 | * Returns IB_MAD_RESULT_SUCCESS if this is a MAD that we are not | |
4398 | * interested in processing. | |
4399 | * | |
4400 | * Note that the verbs framework has already done the MAD sanity checks, | |
4401 | * and hop count/pointer updating for IB_MGMT_CLASS_SUBN_DIRECTED_ROUTE | |
4402 | * MADs. | |
4403 | * | |
4404 | * This is called by the ib_mad module. | |
4405 | */ | |
4406 | int hfi1_process_mad(struct ib_device *ibdev, int mad_flags, u8 port, | |
4407 | const struct ib_wc *in_wc, const struct ib_grh *in_grh, | |
4408 | const struct ib_mad_hdr *in_mad, size_t in_mad_size, | |
4409 | struct ib_mad_hdr *out_mad, size_t *out_mad_size, | |
4410 | u16 *out_mad_pkey_index) | |
4411 | { | |
4412 | switch (in_mad->base_version) { | |
4413 | case OPA_MGMT_BASE_VERSION: | |
4414 | if (unlikely(in_mad_size != sizeof(struct opa_mad))) { | |
4415 | dev_err(ibdev->dma_device, "invalid in_mad_size\n"); | |
4416 | return IB_MAD_RESULT_FAILURE; | |
4417 | } | |
4418 | return hfi1_process_opa_mad(ibdev, mad_flags, port, | |
4419 | in_wc, in_grh, | |
4420 | (struct opa_mad *)in_mad, | |
4421 | (struct opa_mad *)out_mad, | |
4422 | out_mad_size, | |
4423 | out_mad_pkey_index); | |
4424 | case IB_MGMT_BASE_VERSION: | |
4425 | return hfi1_process_ib_mad(ibdev, mad_flags, port, | |
4426 | in_wc, in_grh, | |
4427 | (const struct ib_mad *)in_mad, | |
4428 | (struct ib_mad *)out_mad); | |
4429 | default: | |
4430 | break; | |
4431 | } | |
4432 | ||
4433 | return IB_MAD_RESULT_FAILURE; | |
4434 | } |