Mike Marciniszyn | 7724105 | 2015-07-30 15:17:43 -0400 | [diff] [blame] | 1 | /* |
| 2 | * |
| 3 | * This file is provided under a dual BSD/GPLv2 license. When using or |
| 4 | * redistributing this file, you may do so under either license. |
| 5 | * |
| 6 | * GPL LICENSE SUMMARY |
| 7 | * |
| 8 | * Copyright(c) 2015 Intel Corporation. |
| 9 | * |
| 10 | * This program is free software; you can redistribute it and/or modify |
| 11 | * it under the terms of version 2 of the GNU General Public License as |
| 12 | * published by the Free Software Foundation. |
| 13 | * |
| 14 | * This program is distributed in the hope that it will be useful, but |
| 15 | * WITHOUT ANY WARRANTY; without even the implied warranty of |
| 16 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU |
| 17 | * General Public License for more details. |
| 18 | * |
| 19 | * BSD LICENSE |
| 20 | * |
| 21 | * Copyright(c) 2015 Intel Corporation. |
| 22 | * |
| 23 | * Redistribution and use in source and binary forms, with or without |
| 24 | * modification, are permitted provided that the following conditions |
| 25 | * are met: |
| 26 | * |
| 27 | * - Redistributions of source code must retain the above copyright |
| 28 | * notice, this list of conditions and the following disclaimer. |
| 29 | * - Redistributions in binary form must reproduce the above copyright |
| 30 | * notice, this list of conditions and the following disclaimer in |
| 31 | * the documentation and/or other materials provided with the |
| 32 | * distribution. |
| 33 | * - Neither the name of Intel Corporation nor the names of its |
| 34 | * contributors may be used to endorse or promote products derived |
| 35 | * from this software without specific prior written permission. |
| 36 | * |
| 37 | * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS |
| 38 | * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT |
| 39 | * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR |
| 40 | * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT |
| 41 | * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, |
| 42 | * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT |
| 43 | * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, |
| 44 | * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY |
| 45 | * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
| 46 | * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE |
| 47 | * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
| 48 | * |
| 49 | */ |
| 50 | |
| 51 | #include <linux/net.h> |
| 52 | #define OPA_NUM_PKEY_BLOCKS_PER_SMP (OPA_SMP_DR_DATA_SIZE \ |
| 53 | / (OPA_PARTITION_TABLE_BLK_SIZE * sizeof(u16))) |
| 54 | |
| 55 | #include "hfi.h" |
| 56 | #include "mad.h" |
| 57 | #include "trace.h" |
| 58 | |
| 59 | /* the reset value from the FM is supposed to be 0xffff, handle both */ |
| 60 | #define OPA_LINK_WIDTH_RESET_OLD 0x0fff |
| 61 | #define OPA_LINK_WIDTH_RESET 0xffff |
| 62 | |
| 63 | static int reply(struct ib_mad_hdr *smp) |
| 64 | { |
| 65 | /* |
| 66 | * The verbs framework will handle the directed/LID route |
| 67 | * packet changes. |
| 68 | */ |
| 69 | smp->method = IB_MGMT_METHOD_GET_RESP; |
| 70 | if (smp->mgmt_class == IB_MGMT_CLASS_SUBN_DIRECTED_ROUTE) |
| 71 | smp->status |= IB_SMP_DIRECTION; |
| 72 | return IB_MAD_RESULT_SUCCESS | IB_MAD_RESULT_REPLY; |
| 73 | } |
| 74 | |
| 75 | static inline void clear_opa_smp_data(struct opa_smp *smp) |
| 76 | { |
| 77 | void *data = opa_get_smp_data(smp); |
| 78 | size_t size = opa_get_smp_data_size(smp); |
| 79 | |
| 80 | memset(data, 0, size); |
| 81 | } |
| 82 | |
| 83 | static void send_trap(struct hfi1_ibport *ibp, void *data, unsigned len) |
| 84 | { |
| 85 | struct ib_mad_send_buf *send_buf; |
| 86 | struct ib_mad_agent *agent; |
Erik E. Kahn | 5cd2411 | 2015-12-10 09:59:40 -0500 | [diff] [blame] | 87 | struct opa_smp *smp; |
Mike Marciniszyn | 7724105 | 2015-07-30 15:17:43 -0400 | [diff] [blame] | 88 | int ret; |
| 89 | unsigned long flags; |
| 90 | unsigned long timeout; |
| 91 | int pkey_idx; |
| 92 | u32 qpn = ppd_from_ibp(ibp)->sm_trap_qp; |
| 93 | |
| 94 | agent = ibp->send_agent; |
| 95 | if (!agent) |
| 96 | return; |
| 97 | |
| 98 | /* o14-3.2.1 */ |
| 99 | if (ppd_from_ibp(ibp)->lstate != IB_PORT_ACTIVE) |
| 100 | return; |
| 101 | |
| 102 | /* o14-2 */ |
| 103 | if (ibp->trap_timeout && time_before(jiffies, ibp->trap_timeout)) |
| 104 | return; |
| 105 | |
| 106 | pkey_idx = hfi1_lookup_pkey_idx(ibp, LIM_MGMT_P_KEY); |
| 107 | if (pkey_idx < 0) { |
| 108 | pr_warn("%s: failed to find limited mgmt pkey, defaulting 0x%x\n", |
| 109 | __func__, hfi1_get_pkey(ibp, 1)); |
| 110 | pkey_idx = 1; |
| 111 | } |
| 112 | |
| 113 | send_buf = ib_create_send_mad(agent, qpn, pkey_idx, 0, |
| 114 | IB_MGMT_MAD_HDR, IB_MGMT_MAD_DATA, |
| 115 | GFP_ATOMIC, IB_MGMT_BASE_VERSION); |
| 116 | if (IS_ERR(send_buf)) |
| 117 | return; |
| 118 | |
| 119 | smp = send_buf->mad; |
Erik E. Kahn | 5cd2411 | 2015-12-10 09:59:40 -0500 | [diff] [blame] | 120 | smp->base_version = OPA_MGMT_BASE_VERSION; |
Mike Marciniszyn | 7724105 | 2015-07-30 15:17:43 -0400 | [diff] [blame] | 121 | smp->mgmt_class = IB_MGMT_CLASS_SUBN_LID_ROUTED; |
Erik E. Kahn | 5cd2411 | 2015-12-10 09:59:40 -0500 | [diff] [blame] | 122 | smp->class_version = OPA_SMI_CLASS_VERSION; |
Mike Marciniszyn | 7724105 | 2015-07-30 15:17:43 -0400 | [diff] [blame] | 123 | smp->method = IB_MGMT_METHOD_TRAP; |
| 124 | ibp->tid++; |
| 125 | smp->tid = cpu_to_be64(ibp->tid); |
| 126 | smp->attr_id = IB_SMP_ATTR_NOTICE; |
| 127 | /* o14-1: smp->mkey = 0; */ |
Erik E. Kahn | 5cd2411 | 2015-12-10 09:59:40 -0500 | [diff] [blame] | 128 | memcpy(smp->route.lid.data, data, len); |
Mike Marciniszyn | 7724105 | 2015-07-30 15:17:43 -0400 | [diff] [blame] | 129 | |
| 130 | spin_lock_irqsave(&ibp->lock, flags); |
| 131 | if (!ibp->sm_ah) { |
| 132 | if (ibp->sm_lid != be16_to_cpu(IB_LID_PERMISSIVE)) { |
| 133 | struct ib_ah *ah; |
| 134 | |
| 135 | ah = hfi1_create_qp0_ah(ibp, ibp->sm_lid); |
| 136 | if (IS_ERR(ah)) |
| 137 | ret = PTR_ERR(ah); |
| 138 | else { |
| 139 | send_buf->ah = ah; |
| 140 | ibp->sm_ah = to_iah(ah); |
| 141 | ret = 0; |
| 142 | } |
| 143 | } else |
| 144 | ret = -EINVAL; |
| 145 | } else { |
| 146 | send_buf->ah = &ibp->sm_ah->ibah; |
| 147 | ret = 0; |
| 148 | } |
| 149 | spin_unlock_irqrestore(&ibp->lock, flags); |
| 150 | |
| 151 | if (!ret) |
| 152 | ret = ib_post_send_mad(send_buf, NULL); |
| 153 | if (!ret) { |
| 154 | /* 4.096 usec. */ |
| 155 | timeout = (4096 * (1UL << ibp->subnet_timeout)) / 1000; |
| 156 | ibp->trap_timeout = jiffies + usecs_to_jiffies(timeout); |
| 157 | } else { |
| 158 | ib_free_send_mad(send_buf); |
| 159 | ibp->trap_timeout = 0; |
| 160 | } |
| 161 | } |
| 162 | |
| 163 | /* |
| 164 | * Send a bad [PQ]_Key trap (ch. 14.3.8). |
| 165 | */ |
| 166 | void hfi1_bad_pqkey(struct hfi1_ibport *ibp, __be16 trap_num, u32 key, u32 sl, |
Erik E. Kahn | 5cd2411 | 2015-12-10 09:59:40 -0500 | [diff] [blame] | 167 | u32 qp1, u32 qp2, u16 lid1, u16 lid2) |
Mike Marciniszyn | 7724105 | 2015-07-30 15:17:43 -0400 | [diff] [blame] | 168 | { |
Erik E. Kahn | 5cd2411 | 2015-12-10 09:59:40 -0500 | [diff] [blame] | 169 | struct opa_mad_notice_attr data; |
| 170 | u32 lid = ppd_from_ibp(ibp)->lid; |
| 171 | u32 _lid1 = lid1; |
| 172 | u32 _lid2 = lid2; |
Mike Marciniszyn | 7724105 | 2015-07-30 15:17:43 -0400 | [diff] [blame] | 173 | |
Erik E. Kahn | 5cd2411 | 2015-12-10 09:59:40 -0500 | [diff] [blame] | 174 | memset(&data, 0, sizeof(data)); |
| 175 | |
| 176 | if (trap_num == OPA_TRAP_BAD_P_KEY) |
Mike Marciniszyn | 7724105 | 2015-07-30 15:17:43 -0400 | [diff] [blame] | 177 | ibp->pkey_violations++; |
| 178 | else |
| 179 | ibp->qkey_violations++; |
| 180 | ibp->n_pkt_drops++; |
| 181 | |
| 182 | /* Send violation trap */ |
| 183 | data.generic_type = IB_NOTICE_TYPE_SECURITY; |
Mike Marciniszyn | 7724105 | 2015-07-30 15:17:43 -0400 | [diff] [blame] | 184 | data.prod_type_lsb = IB_NOTICE_PROD_CA; |
| 185 | data.trap_num = trap_num; |
Erik E. Kahn | 5cd2411 | 2015-12-10 09:59:40 -0500 | [diff] [blame] | 186 | data.issuer_lid = cpu_to_be32(lid); |
| 187 | data.ntc_257_258.lid1 = cpu_to_be32(_lid1); |
| 188 | data.ntc_257_258.lid2 = cpu_to_be32(_lid2); |
| 189 | data.ntc_257_258.key = cpu_to_be32(key); |
| 190 | data.ntc_257_258.sl = sl << 3; |
| 191 | data.ntc_257_258.qp1 = cpu_to_be32(qp1); |
| 192 | data.ntc_257_258.qp2 = cpu_to_be32(qp2); |
Mike Marciniszyn | 7724105 | 2015-07-30 15:17:43 -0400 | [diff] [blame] | 193 | |
| 194 | send_trap(ibp, &data, sizeof(data)); |
| 195 | } |
| 196 | |
| 197 | /* |
| 198 | * Send a bad M_Key trap (ch. 14.3.9). |
| 199 | */ |
| 200 | static void bad_mkey(struct hfi1_ibport *ibp, struct ib_mad_hdr *mad, |
| 201 | __be64 mkey, __be32 dr_slid, u8 return_path[], u8 hop_cnt) |
| 202 | { |
Erik E. Kahn | 5cd2411 | 2015-12-10 09:59:40 -0500 | [diff] [blame] | 203 | struct opa_mad_notice_attr data; |
| 204 | u32 lid = ppd_from_ibp(ibp)->lid; |
Mike Marciniszyn | 7724105 | 2015-07-30 15:17:43 -0400 | [diff] [blame] | 205 | |
Erik E. Kahn | 5cd2411 | 2015-12-10 09:59:40 -0500 | [diff] [blame] | 206 | memset(&data, 0, sizeof(data)); |
Mike Marciniszyn | 7724105 | 2015-07-30 15:17:43 -0400 | [diff] [blame] | 207 | /* Send violation trap */ |
| 208 | data.generic_type = IB_NOTICE_TYPE_SECURITY; |
Mike Marciniszyn | 7724105 | 2015-07-30 15:17:43 -0400 | [diff] [blame] | 209 | data.prod_type_lsb = IB_NOTICE_PROD_CA; |
Erik E. Kahn | 5cd2411 | 2015-12-10 09:59:40 -0500 | [diff] [blame] | 210 | data.trap_num = OPA_TRAP_BAD_M_KEY; |
| 211 | data.issuer_lid = cpu_to_be32(lid); |
| 212 | data.ntc_256.lid = data.issuer_lid; |
| 213 | data.ntc_256.method = mad->method; |
| 214 | data.ntc_256.attr_id = mad->attr_id; |
| 215 | data.ntc_256.attr_mod = mad->attr_mod; |
| 216 | data.ntc_256.mkey = mkey; |
Mike Marciniszyn | 7724105 | 2015-07-30 15:17:43 -0400 | [diff] [blame] | 217 | if (mad->mgmt_class == IB_MGMT_CLASS_SUBN_DIRECTED_ROUTE) { |
Erik E. Kahn | 5cd2411 | 2015-12-10 09:59:40 -0500 | [diff] [blame] | 218 | data.ntc_256.dr_slid = dr_slid; |
| 219 | data.ntc_256.dr_trunc_hop = IB_NOTICE_TRAP_DR_NOTICE; |
| 220 | if (hop_cnt > ARRAY_SIZE(data.ntc_256.dr_rtn_path)) { |
| 221 | data.ntc_256.dr_trunc_hop |= |
Mike Marciniszyn | 7724105 | 2015-07-30 15:17:43 -0400 | [diff] [blame] | 222 | IB_NOTICE_TRAP_DR_TRUNC; |
Erik E. Kahn | 5cd2411 | 2015-12-10 09:59:40 -0500 | [diff] [blame] | 223 | hop_cnt = ARRAY_SIZE(data.ntc_256.dr_rtn_path); |
Mike Marciniszyn | 7724105 | 2015-07-30 15:17:43 -0400 | [diff] [blame] | 224 | } |
Erik E. Kahn | 5cd2411 | 2015-12-10 09:59:40 -0500 | [diff] [blame] | 225 | data.ntc_256.dr_trunc_hop |= hop_cnt; |
| 226 | memcpy(data.ntc_256.dr_rtn_path, return_path, |
Mike Marciniszyn | 7724105 | 2015-07-30 15:17:43 -0400 | [diff] [blame] | 227 | hop_cnt); |
| 228 | } |
| 229 | |
| 230 | send_trap(ibp, &data, sizeof(data)); |
| 231 | } |
| 232 | |
| 233 | /* |
| 234 | * Send a Port Capability Mask Changed trap (ch. 14.3.11). |
| 235 | */ |
| 236 | void hfi1_cap_mask_chg(struct hfi1_ibport *ibp) |
| 237 | { |
Erik E. Kahn | 5cd2411 | 2015-12-10 09:59:40 -0500 | [diff] [blame] | 238 | struct opa_mad_notice_attr data; |
| 239 | u32 lid = ppd_from_ibp(ibp)->lid; |
| 240 | |
| 241 | memset(&data, 0, sizeof(data)); |
Mike Marciniszyn | 7724105 | 2015-07-30 15:17:43 -0400 | [diff] [blame] | 242 | |
| 243 | data.generic_type = IB_NOTICE_TYPE_INFO; |
Mike Marciniszyn | 7724105 | 2015-07-30 15:17:43 -0400 | [diff] [blame] | 244 | data.prod_type_lsb = IB_NOTICE_PROD_CA; |
Erik E. Kahn | 5cd2411 | 2015-12-10 09:59:40 -0500 | [diff] [blame] | 245 | data.trap_num = OPA_TRAP_CHANGE_CAPABILITY; |
| 246 | data.issuer_lid = cpu_to_be32(lid); |
| 247 | data.ntc_144.lid = data.issuer_lid; |
| 248 | data.ntc_144.new_cap_mask = cpu_to_be32(ibp->port_cap_flags); |
Mike Marciniszyn | 7724105 | 2015-07-30 15:17:43 -0400 | [diff] [blame] | 249 | |
| 250 | send_trap(ibp, &data, sizeof(data)); |
| 251 | } |
| 252 | |
| 253 | /* |
| 254 | * Send a System Image GUID Changed trap (ch. 14.3.12). |
| 255 | */ |
| 256 | void hfi1_sys_guid_chg(struct hfi1_ibport *ibp) |
| 257 | { |
Erik E. Kahn | 5cd2411 | 2015-12-10 09:59:40 -0500 | [diff] [blame] | 258 | struct opa_mad_notice_attr data; |
| 259 | u32 lid = ppd_from_ibp(ibp)->lid; |
| 260 | |
| 261 | memset(&data, 0, sizeof(data)); |
Mike Marciniszyn | 7724105 | 2015-07-30 15:17:43 -0400 | [diff] [blame] | 262 | |
| 263 | data.generic_type = IB_NOTICE_TYPE_INFO; |
Mike Marciniszyn | 7724105 | 2015-07-30 15:17:43 -0400 | [diff] [blame] | 264 | data.prod_type_lsb = IB_NOTICE_PROD_CA; |
Erik E. Kahn | 5cd2411 | 2015-12-10 09:59:40 -0500 | [diff] [blame] | 265 | data.trap_num = OPA_TRAP_CHANGE_SYSGUID; |
| 266 | data.issuer_lid = cpu_to_be32(lid); |
| 267 | data.ntc_145.new_sys_guid = ib_hfi1_sys_image_guid; |
| 268 | data.ntc_145.lid = data.issuer_lid; |
Mike Marciniszyn | 7724105 | 2015-07-30 15:17:43 -0400 | [diff] [blame] | 269 | |
| 270 | send_trap(ibp, &data, sizeof(data)); |
| 271 | } |
| 272 | |
| 273 | /* |
| 274 | * Send a Node Description Changed trap (ch. 14.3.13). |
| 275 | */ |
| 276 | void hfi1_node_desc_chg(struct hfi1_ibport *ibp) |
| 277 | { |
Erik E. Kahn | 5cd2411 | 2015-12-10 09:59:40 -0500 | [diff] [blame] | 278 | struct opa_mad_notice_attr data; |
| 279 | u32 lid = ppd_from_ibp(ibp)->lid; |
| 280 | |
| 281 | memset(&data, 0, sizeof(data)); |
Mike Marciniszyn | 7724105 | 2015-07-30 15:17:43 -0400 | [diff] [blame] | 282 | |
| 283 | data.generic_type = IB_NOTICE_TYPE_INFO; |
Mike Marciniszyn | 7724105 | 2015-07-30 15:17:43 -0400 | [diff] [blame] | 284 | data.prod_type_lsb = IB_NOTICE_PROD_CA; |
Erik E. Kahn | 5cd2411 | 2015-12-10 09:59:40 -0500 | [diff] [blame] | 285 | data.trap_num = OPA_TRAP_CHANGE_CAPABILITY; |
| 286 | data.issuer_lid = cpu_to_be32(lid); |
| 287 | data.ntc_144.lid = data.issuer_lid; |
| 288 | data.ntc_144.change_flags = |
| 289 | cpu_to_be16(OPA_NOTICE_TRAP_NODE_DESC_CHG); |
Mike Marciniszyn | 7724105 | 2015-07-30 15:17:43 -0400 | [diff] [blame] | 290 | |
| 291 | send_trap(ibp, &data, sizeof(data)); |
| 292 | } |
| 293 | |
| 294 | static int __subn_get_opa_nodedesc(struct opa_smp *smp, u32 am, |
| 295 | u8 *data, struct ib_device *ibdev, |
| 296 | u8 port, u32 *resp_len) |
| 297 | { |
| 298 | struct opa_node_description *nd; |
| 299 | |
| 300 | if (am) { |
| 301 | smp->status |= IB_SMP_INVALID_FIELD; |
| 302 | return reply((struct ib_mad_hdr *)smp); |
| 303 | } |
| 304 | |
| 305 | nd = (struct opa_node_description *)data; |
| 306 | |
| 307 | memcpy(nd->data, ibdev->node_desc, sizeof(nd->data)); |
| 308 | |
| 309 | if (resp_len) |
| 310 | *resp_len += sizeof(*nd); |
| 311 | |
| 312 | return reply((struct ib_mad_hdr *)smp); |
| 313 | } |
| 314 | |
| 315 | static int __subn_get_opa_nodeinfo(struct opa_smp *smp, u32 am, u8 *data, |
| 316 | struct ib_device *ibdev, u8 port, |
| 317 | u32 *resp_len) |
| 318 | { |
| 319 | struct opa_node_info *ni; |
| 320 | struct hfi1_devdata *dd = dd_from_ibdev(ibdev); |
| 321 | unsigned pidx = port - 1; /* IB number port from 1, hw from 0 */ |
| 322 | |
| 323 | ni = (struct opa_node_info *)data; |
| 324 | |
| 325 | /* GUID 0 is illegal */ |
| 326 | if (am || pidx >= dd->num_pports || dd->pport[pidx].guid == 0) { |
| 327 | smp->status |= IB_SMP_INVALID_FIELD; |
| 328 | return reply((struct ib_mad_hdr *)smp); |
| 329 | } |
| 330 | |
| 331 | ni->port_guid = cpu_to_be64(dd->pport[pidx].guid); |
| 332 | ni->base_version = OPA_MGMT_BASE_VERSION; |
| 333 | ni->class_version = OPA_SMI_CLASS_VERSION; |
| 334 | ni->node_type = 1; /* channel adapter */ |
| 335 | ni->num_ports = ibdev->phys_port_cnt; |
| 336 | /* This is already in network order */ |
| 337 | ni->system_image_guid = ib_hfi1_sys_image_guid; |
| 338 | /* Use first-port GUID as node */ |
| 339 | ni->node_guid = cpu_to_be64(dd->pport->guid); |
| 340 | ni->partition_cap = cpu_to_be16(hfi1_get_npkeys(dd)); |
| 341 | ni->device_id = cpu_to_be16(dd->pcidev->device); |
| 342 | ni->revision = cpu_to_be32(dd->minrev); |
| 343 | ni->local_port_num = port; |
| 344 | ni->vendor_id[0] = dd->oui1; |
| 345 | ni->vendor_id[1] = dd->oui2; |
| 346 | ni->vendor_id[2] = dd->oui3; |
| 347 | |
| 348 | if (resp_len) |
| 349 | *resp_len += sizeof(*ni); |
| 350 | |
| 351 | return reply((struct ib_mad_hdr *)smp); |
| 352 | } |
| 353 | |
| 354 | static int subn_get_nodeinfo(struct ib_smp *smp, struct ib_device *ibdev, |
| 355 | u8 port) |
| 356 | { |
| 357 | struct ib_node_info *nip = (struct ib_node_info *)&smp->data; |
| 358 | struct hfi1_devdata *dd = dd_from_ibdev(ibdev); |
| 359 | unsigned pidx = port - 1; /* IB number port from 1, hw from 0 */ |
| 360 | |
| 361 | /* GUID 0 is illegal */ |
| 362 | if (smp->attr_mod || pidx >= dd->num_pports || |
| 363 | dd->pport[pidx].guid == 0) |
| 364 | smp->status |= IB_SMP_INVALID_FIELD; |
| 365 | else |
| 366 | nip->port_guid = cpu_to_be64(dd->pport[pidx].guid); |
| 367 | |
| 368 | nip->base_version = OPA_MGMT_BASE_VERSION; |
| 369 | nip->class_version = OPA_SMI_CLASS_VERSION; |
| 370 | nip->node_type = 1; /* channel adapter */ |
| 371 | nip->num_ports = ibdev->phys_port_cnt; |
| 372 | /* This is already in network order */ |
| 373 | nip->sys_guid = ib_hfi1_sys_image_guid; |
| 374 | /* Use first-port GUID as node */ |
| 375 | nip->node_guid = cpu_to_be64(dd->pport->guid); |
| 376 | nip->partition_cap = cpu_to_be16(hfi1_get_npkeys(dd)); |
| 377 | nip->device_id = cpu_to_be16(dd->pcidev->device); |
| 378 | nip->revision = cpu_to_be32(dd->minrev); |
| 379 | nip->local_port_num = port; |
| 380 | nip->vendor_id[0] = dd->oui1; |
| 381 | nip->vendor_id[1] = dd->oui2; |
| 382 | nip->vendor_id[2] = dd->oui3; |
| 383 | |
| 384 | return reply((struct ib_mad_hdr *)smp); |
| 385 | } |
| 386 | |
| 387 | static void set_link_width_enabled(struct hfi1_pportdata *ppd, u32 w) |
| 388 | { |
| 389 | (void)hfi1_set_ib_cfg(ppd, HFI1_IB_CFG_LWID_ENB, w); |
| 390 | } |
| 391 | |
| 392 | static void set_link_width_downgrade_enabled(struct hfi1_pportdata *ppd, u32 w) |
| 393 | { |
| 394 | (void)hfi1_set_ib_cfg(ppd, HFI1_IB_CFG_LWID_DG_ENB, w); |
| 395 | } |
| 396 | |
| 397 | static void set_link_speed_enabled(struct hfi1_pportdata *ppd, u32 s) |
| 398 | { |
| 399 | (void)hfi1_set_ib_cfg(ppd, HFI1_IB_CFG_SPD_ENB, s); |
| 400 | } |
| 401 | |
| 402 | static int check_mkey(struct hfi1_ibport *ibp, struct ib_mad_hdr *mad, |
| 403 | int mad_flags, __be64 mkey, __be32 dr_slid, |
| 404 | u8 return_path[], u8 hop_cnt) |
| 405 | { |
| 406 | int valid_mkey = 0; |
| 407 | int ret = 0; |
| 408 | |
| 409 | /* Is the mkey in the process of expiring? */ |
| 410 | if (ibp->mkey_lease_timeout && |
| 411 | time_after_eq(jiffies, ibp->mkey_lease_timeout)) { |
| 412 | /* Clear timeout and mkey protection field. */ |
| 413 | ibp->mkey_lease_timeout = 0; |
| 414 | ibp->mkeyprot = 0; |
| 415 | } |
| 416 | |
| 417 | if ((mad_flags & IB_MAD_IGNORE_MKEY) || ibp->mkey == 0 || |
| 418 | ibp->mkey == mkey) |
| 419 | valid_mkey = 1; |
| 420 | |
| 421 | /* Unset lease timeout on any valid Get/Set/TrapRepress */ |
| 422 | if (valid_mkey && ibp->mkey_lease_timeout && |
| 423 | (mad->method == IB_MGMT_METHOD_GET || |
| 424 | mad->method == IB_MGMT_METHOD_SET || |
| 425 | mad->method == IB_MGMT_METHOD_TRAP_REPRESS)) |
| 426 | ibp->mkey_lease_timeout = 0; |
| 427 | |
| 428 | if (!valid_mkey) { |
| 429 | switch (mad->method) { |
| 430 | case IB_MGMT_METHOD_GET: |
| 431 | /* Bad mkey not a violation below level 2 */ |
| 432 | if (ibp->mkeyprot < 2) |
| 433 | break; |
| 434 | case IB_MGMT_METHOD_SET: |
| 435 | case IB_MGMT_METHOD_TRAP_REPRESS: |
| 436 | if (ibp->mkey_violations != 0xFFFF) |
| 437 | ++ibp->mkey_violations; |
| 438 | if (!ibp->mkey_lease_timeout && ibp->mkey_lease_period) |
| 439 | ibp->mkey_lease_timeout = jiffies + |
| 440 | ibp->mkey_lease_period * HZ; |
| 441 | /* Generate a trap notice. */ |
| 442 | bad_mkey(ibp, mad, mkey, dr_slid, return_path, |
| 443 | hop_cnt); |
| 444 | ret = 1; |
| 445 | } |
| 446 | } |
| 447 | |
| 448 | return ret; |
| 449 | } |
| 450 | |
| 451 | /* |
| 452 | * The SMA caches reads from LCB registers in case the LCB is unavailable. |
| 453 | * (The LCB is unavailable in certain link states, for example.) |
| 454 | */ |
| 455 | struct lcb_datum { |
| 456 | u32 off; |
| 457 | u64 val; |
| 458 | }; |
| 459 | |
| 460 | static struct lcb_datum lcb_cache[] = { |
| 461 | { DC_LCB_STS_ROUND_TRIP_LTP_CNT, 0 }, |
| 462 | }; |
| 463 | |
| 464 | static int write_lcb_cache(u32 off, u64 val) |
| 465 | { |
| 466 | int i; |
| 467 | |
| 468 | for (i = 0; i < ARRAY_SIZE(lcb_cache); i++) { |
| 469 | if (lcb_cache[i].off == off) { |
| 470 | lcb_cache[i].val = val; |
| 471 | return 0; |
| 472 | } |
| 473 | } |
| 474 | |
| 475 | pr_warn("%s bad offset 0x%x\n", __func__, off); |
| 476 | return -1; |
| 477 | } |
| 478 | |
| 479 | static int read_lcb_cache(u32 off, u64 *val) |
| 480 | { |
| 481 | int i; |
| 482 | |
| 483 | for (i = 0; i < ARRAY_SIZE(lcb_cache); i++) { |
| 484 | if (lcb_cache[i].off == off) { |
| 485 | *val = lcb_cache[i].val; |
| 486 | return 0; |
| 487 | } |
| 488 | } |
| 489 | |
| 490 | pr_warn("%s bad offset 0x%x\n", __func__, off); |
| 491 | return -1; |
| 492 | } |
| 493 | |
| 494 | void read_ltp_rtt(struct hfi1_devdata *dd) |
| 495 | { |
| 496 | u64 reg; |
| 497 | |
| 498 | if (read_lcb_csr(dd, DC_LCB_STS_ROUND_TRIP_LTP_CNT, ®)) |
| 499 | dd_dev_err(dd, "%s: unable to read LTP RTT\n", __func__); |
| 500 | else |
| 501 | write_lcb_cache(DC_LCB_STS_ROUND_TRIP_LTP_CNT, reg); |
| 502 | } |
| 503 | |
| 504 | static u8 __opa_porttype(struct hfi1_pportdata *ppd) |
| 505 | { |
| 506 | if (qsfp_mod_present(ppd)) { |
| 507 | if (ppd->qsfp_info.cache_valid) |
| 508 | return OPA_PORT_TYPE_STANDARD; |
| 509 | return OPA_PORT_TYPE_DISCONNECTED; |
| 510 | } |
| 511 | return OPA_PORT_TYPE_UNKNOWN; |
| 512 | } |
| 513 | |
| 514 | static int __subn_get_opa_portinfo(struct opa_smp *smp, u32 am, u8 *data, |
| 515 | struct ib_device *ibdev, u8 port, |
| 516 | u32 *resp_len) |
| 517 | { |
| 518 | int i; |
| 519 | struct hfi1_devdata *dd; |
| 520 | struct hfi1_pportdata *ppd; |
| 521 | struct hfi1_ibport *ibp; |
| 522 | struct opa_port_info *pi = (struct opa_port_info *)data; |
| 523 | u8 mtu; |
| 524 | u8 credit_rate; |
| 525 | u32 state; |
| 526 | u32 num_ports = OPA_AM_NPORT(am); |
| 527 | u32 start_of_sm_config = OPA_AM_START_SM_CFG(am); |
| 528 | u32 buffer_units; |
| 529 | u64 tmp = 0; |
| 530 | |
| 531 | if (num_ports != 1) { |
| 532 | smp->status |= IB_SMP_INVALID_FIELD; |
| 533 | return reply((struct ib_mad_hdr *)smp); |
| 534 | } |
| 535 | |
| 536 | dd = dd_from_ibdev(ibdev); |
| 537 | /* IB numbers ports from 1, hw from 0 */ |
| 538 | ppd = dd->pport + (port - 1); |
| 539 | ibp = &ppd->ibport_data; |
| 540 | |
| 541 | if (ppd->vls_supported/2 > ARRAY_SIZE(pi->neigh_mtu.pvlx_to_mtu) || |
| 542 | ppd->vls_supported > ARRAY_SIZE(dd->vld)) { |
| 543 | smp->status |= IB_SMP_INVALID_FIELD; |
| 544 | return reply((struct ib_mad_hdr *)smp); |
| 545 | } |
| 546 | |
| 547 | pi->lid = cpu_to_be32(ppd->lid); |
| 548 | |
| 549 | /* Only return the mkey if the protection field allows it. */ |
| 550 | if (!(smp->method == IB_MGMT_METHOD_GET && |
| 551 | ibp->mkey != smp->mkey && |
| 552 | ibp->mkeyprot == 1)) |
| 553 | pi->mkey = ibp->mkey; |
| 554 | |
| 555 | pi->subnet_prefix = ibp->gid_prefix; |
| 556 | pi->sm_lid = cpu_to_be32(ibp->sm_lid); |
| 557 | pi->ib_cap_mask = cpu_to_be32(ibp->port_cap_flags); |
| 558 | pi->mkey_lease_period = cpu_to_be16(ibp->mkey_lease_period); |
| 559 | pi->sm_trap_qp = cpu_to_be32(ppd->sm_trap_qp); |
| 560 | pi->sa_qp = cpu_to_be32(ppd->sa_qp); |
| 561 | |
| 562 | pi->link_width.enabled = cpu_to_be16(ppd->link_width_enabled); |
| 563 | pi->link_width.supported = cpu_to_be16(ppd->link_width_supported); |
| 564 | pi->link_width.active = cpu_to_be16(ppd->link_width_active); |
| 565 | |
| 566 | pi->link_width_downgrade.supported = |
| 567 | cpu_to_be16(ppd->link_width_downgrade_supported); |
| 568 | pi->link_width_downgrade.enabled = |
| 569 | cpu_to_be16(ppd->link_width_downgrade_enabled); |
| 570 | pi->link_width_downgrade.tx_active = |
| 571 | cpu_to_be16(ppd->link_width_downgrade_tx_active); |
| 572 | pi->link_width_downgrade.rx_active = |
| 573 | cpu_to_be16(ppd->link_width_downgrade_rx_active); |
| 574 | |
| 575 | pi->link_speed.supported = cpu_to_be16(ppd->link_speed_supported); |
| 576 | pi->link_speed.active = cpu_to_be16(ppd->link_speed_active); |
| 577 | pi->link_speed.enabled = cpu_to_be16(ppd->link_speed_enabled); |
| 578 | |
| 579 | state = driver_lstate(ppd); |
| 580 | |
| 581 | if (start_of_sm_config && (state == IB_PORT_INIT)) |
| 582 | ppd->is_sm_config_started = 1; |
| 583 | |
| 584 | pi->port_phys_conf = __opa_porttype(ppd) & 0xf; |
| 585 | |
| 586 | #if PI_LED_ENABLE_SUP |
| 587 | pi->port_states.ledenable_offlinereason = ppd->neighbor_normal << 4; |
| 588 | pi->port_states.ledenable_offlinereason |= |
| 589 | ppd->is_sm_config_started << 5; |
| 590 | pi->port_states.ledenable_offlinereason |= |
| 591 | ppd->offline_disabled_reason & OPA_PI_MASK_OFFLINE_REASON; |
| 592 | #else |
| 593 | pi->port_states.offline_reason = ppd->neighbor_normal << 4; |
| 594 | pi->port_states.offline_reason |= ppd->is_sm_config_started << 5; |
| 595 | pi->port_states.offline_reason |= ppd->offline_disabled_reason & |
| 596 | OPA_PI_MASK_OFFLINE_REASON; |
| 597 | #endif /* PI_LED_ENABLE_SUP */ |
| 598 | |
| 599 | pi->port_states.portphysstate_portstate = |
| 600 | (hfi1_ibphys_portstate(ppd) << 4) | state; |
| 601 | |
| 602 | pi->mkeyprotect_lmc = (ibp->mkeyprot << 6) | ppd->lmc; |
| 603 | |
| 604 | memset(pi->neigh_mtu.pvlx_to_mtu, 0, sizeof(pi->neigh_mtu.pvlx_to_mtu)); |
| 605 | for (i = 0; i < ppd->vls_supported; i++) { |
| 606 | mtu = mtu_to_enum(dd->vld[i].mtu, HFI1_DEFAULT_ACTIVE_MTU); |
| 607 | if ((i % 2) == 0) |
| 608 | pi->neigh_mtu.pvlx_to_mtu[i/2] |= (mtu << 4); |
| 609 | else |
| 610 | pi->neigh_mtu.pvlx_to_mtu[i/2] |= mtu; |
| 611 | } |
| 612 | /* don't forget VL 15 */ |
| 613 | mtu = mtu_to_enum(dd->vld[15].mtu, 2048); |
| 614 | pi->neigh_mtu.pvlx_to_mtu[15/2] |= mtu; |
| 615 | pi->smsl = ibp->sm_sl & OPA_PI_MASK_SMSL; |
| 616 | pi->operational_vls = hfi1_get_ib_cfg(ppd, HFI1_IB_CFG_OP_VLS); |
| 617 | pi->partenforce_filterraw |= |
| 618 | (ppd->linkinit_reason & OPA_PI_MASK_LINKINIT_REASON); |
| 619 | if (ppd->part_enforce & HFI1_PART_ENFORCE_IN) |
| 620 | pi->partenforce_filterraw |= OPA_PI_MASK_PARTITION_ENFORCE_IN; |
| 621 | if (ppd->part_enforce & HFI1_PART_ENFORCE_OUT) |
| 622 | pi->partenforce_filterraw |= OPA_PI_MASK_PARTITION_ENFORCE_OUT; |
| 623 | pi->mkey_violations = cpu_to_be16(ibp->mkey_violations); |
| 624 | /* P_KeyViolations are counted by hardware. */ |
| 625 | pi->pkey_violations = cpu_to_be16(ibp->pkey_violations); |
| 626 | pi->qkey_violations = cpu_to_be16(ibp->qkey_violations); |
| 627 | |
| 628 | pi->vl.cap = ppd->vls_supported; |
| 629 | pi->vl.high_limit = cpu_to_be16(ibp->vl_high_limit); |
| 630 | pi->vl.arb_high_cap = (u8)hfi1_get_ib_cfg(ppd, HFI1_IB_CFG_VL_HIGH_CAP); |
| 631 | pi->vl.arb_low_cap = (u8)hfi1_get_ib_cfg(ppd, HFI1_IB_CFG_VL_LOW_CAP); |
| 632 | |
| 633 | pi->clientrereg_subnettimeout = ibp->subnet_timeout; |
| 634 | |
| 635 | pi->port_link_mode = cpu_to_be16(OPA_PORT_LINK_MODE_OPA << 10 | |
| 636 | OPA_PORT_LINK_MODE_OPA << 5 | |
| 637 | OPA_PORT_LINK_MODE_OPA); |
| 638 | |
| 639 | pi->port_ltp_crc_mode = cpu_to_be16(ppd->port_ltp_crc_mode); |
| 640 | |
| 641 | pi->port_mode = cpu_to_be16( |
| 642 | ppd->is_active_optimize_enabled ? |
| 643 | OPA_PI_MASK_PORT_ACTIVE_OPTOMIZE : 0); |
| 644 | |
| 645 | pi->port_packet_format.supported = |
| 646 | cpu_to_be16(OPA_PORT_PACKET_FORMAT_9B); |
| 647 | pi->port_packet_format.enabled = |
| 648 | cpu_to_be16(OPA_PORT_PACKET_FORMAT_9B); |
| 649 | |
| 650 | /* flit_control.interleave is (OPA V1, version .76): |
| 651 | * bits use |
| 652 | * ---- --- |
| 653 | * 2 res |
| 654 | * 2 DistanceSupported |
| 655 | * 2 DistanceEnabled |
| 656 | * 5 MaxNextLevelTxEnabled |
| 657 | * 5 MaxNestLevelRxSupported |
| 658 | * |
| 659 | * HFI supports only "distance mode 1" (see OPA V1, version .76, |
| 660 | * section 9.6.2), so set DistanceSupported, DistanceEnabled |
| 661 | * to 0x1. |
| 662 | */ |
| 663 | pi->flit_control.interleave = cpu_to_be16(0x1400); |
| 664 | |
| 665 | pi->link_down_reason = ppd->local_link_down_reason.sma; |
| 666 | pi->neigh_link_down_reason = ppd->neigh_link_down_reason.sma; |
| 667 | pi->port_error_action = cpu_to_be32(ppd->port_error_action); |
| 668 | pi->mtucap = mtu_to_enum(hfi1_max_mtu, IB_MTU_4096); |
| 669 | |
| 670 | /* 32.768 usec. response time (guessing) */ |
| 671 | pi->resptimevalue = 3; |
| 672 | |
| 673 | pi->local_port_num = port; |
| 674 | |
| 675 | /* buffer info for FM */ |
| 676 | pi->overall_buffer_space = cpu_to_be16(dd->link_credits); |
| 677 | |
| 678 | pi->neigh_node_guid = cpu_to_be64(ppd->neighbor_guid); |
| 679 | pi->neigh_port_num = ppd->neighbor_port_number; |
| 680 | pi->port_neigh_mode = |
| 681 | (ppd->neighbor_type & OPA_PI_MASK_NEIGH_NODE_TYPE) | |
| 682 | (ppd->mgmt_allowed ? OPA_PI_MASK_NEIGH_MGMT_ALLOWED : 0) | |
| 683 | (ppd->neighbor_fm_security ? |
| 684 | OPA_PI_MASK_NEIGH_FW_AUTH_BYPASS : 0); |
| 685 | |
| 686 | /* HFIs shall always return VL15 credits to their |
| 687 | * neighbor in a timely manner, without any credit return pacing. |
| 688 | */ |
| 689 | credit_rate = 0; |
| 690 | buffer_units = (dd->vau) & OPA_PI_MASK_BUF_UNIT_BUF_ALLOC; |
| 691 | buffer_units |= (dd->vcu << 3) & OPA_PI_MASK_BUF_UNIT_CREDIT_ACK; |
| 692 | buffer_units |= (credit_rate << 6) & |
| 693 | OPA_PI_MASK_BUF_UNIT_VL15_CREDIT_RATE; |
| 694 | buffer_units |= (dd->vl15_init << 11) & OPA_PI_MASK_BUF_UNIT_VL15_INIT; |
| 695 | pi->buffer_units = cpu_to_be32(buffer_units); |
| 696 | |
| 697 | pi->opa_cap_mask = cpu_to_be16(OPA_CAP_MASK3_IsSharedSpaceSupported); |
| 698 | |
| 699 | /* HFI supports a replay buffer 128 LTPs in size */ |
| 700 | pi->replay_depth.buffer = 0x80; |
| 701 | /* read the cached value of DC_LCB_STS_ROUND_TRIP_LTP_CNT */ |
| 702 | read_lcb_cache(DC_LCB_STS_ROUND_TRIP_LTP_CNT, &tmp); |
| 703 | |
| 704 | /* this counter is 16 bits wide, but the replay_depth.wire |
| 705 | * variable is only 8 bits */ |
| 706 | if (tmp > 0xff) |
| 707 | tmp = 0xff; |
| 708 | pi->replay_depth.wire = tmp; |
| 709 | |
| 710 | if (resp_len) |
| 711 | *resp_len += sizeof(struct opa_port_info); |
| 712 | |
| 713 | return reply((struct ib_mad_hdr *)smp); |
| 714 | } |
| 715 | |
| 716 | /** |
| 717 | * get_pkeys - return the PKEY table |
| 718 | * @dd: the hfi1_ib device |
| 719 | * @port: the IB port number |
| 720 | * @pkeys: the pkey table is placed here |
| 721 | */ |
| 722 | static int get_pkeys(struct hfi1_devdata *dd, u8 port, u16 *pkeys) |
| 723 | { |
| 724 | struct hfi1_pportdata *ppd = dd->pport + port - 1; |
| 725 | |
| 726 | memcpy(pkeys, ppd->pkeys, sizeof(ppd->pkeys)); |
| 727 | |
| 728 | return 0; |
| 729 | } |
| 730 | |
| 731 | static int __subn_get_opa_pkeytable(struct opa_smp *smp, u32 am, u8 *data, |
| 732 | struct ib_device *ibdev, u8 port, |
| 733 | u32 *resp_len) |
| 734 | { |
| 735 | struct hfi1_devdata *dd = dd_from_ibdev(ibdev); |
| 736 | u32 n_blocks_req = OPA_AM_NBLK(am); |
| 737 | u32 start_block = am & 0x7ff; |
| 738 | __be16 *p; |
| 739 | u16 *q; |
| 740 | int i; |
| 741 | u16 n_blocks_avail; |
| 742 | unsigned npkeys = hfi1_get_npkeys(dd); |
| 743 | size_t size; |
| 744 | |
| 745 | if (n_blocks_req == 0) { |
| 746 | pr_warn("OPA Get PKey AM Invalid : P = %d; B = 0x%x; N = 0x%x\n", |
| 747 | port, start_block, n_blocks_req); |
| 748 | smp->status |= IB_SMP_INVALID_FIELD; |
| 749 | return reply((struct ib_mad_hdr *)smp); |
| 750 | } |
| 751 | |
| 752 | n_blocks_avail = (u16) (npkeys/OPA_PARTITION_TABLE_BLK_SIZE) + 1; |
| 753 | |
| 754 | size = (n_blocks_req * OPA_PARTITION_TABLE_BLK_SIZE) * sizeof(u16); |
| 755 | |
| 756 | if (start_block + n_blocks_req > n_blocks_avail || |
| 757 | n_blocks_req > OPA_NUM_PKEY_BLOCKS_PER_SMP) { |
| 758 | pr_warn("OPA Get PKey AM Invalid : s 0x%x; req 0x%x; " |
| 759 | "avail 0x%x; blk/smp 0x%lx\n", |
| 760 | start_block, n_blocks_req, n_blocks_avail, |
| 761 | OPA_NUM_PKEY_BLOCKS_PER_SMP); |
| 762 | smp->status |= IB_SMP_INVALID_FIELD; |
| 763 | return reply((struct ib_mad_hdr *)smp); |
| 764 | } |
| 765 | |
| 766 | p = (__be16 *) data; |
| 767 | q = (u16 *)data; |
| 768 | /* get the real pkeys if we are requesting the first block */ |
| 769 | if (start_block == 0) { |
| 770 | get_pkeys(dd, port, q); |
| 771 | for (i = 0; i < npkeys; i++) |
| 772 | p[i] = cpu_to_be16(q[i]); |
| 773 | if (resp_len) |
| 774 | *resp_len += size; |
| 775 | } else |
| 776 | smp->status |= IB_SMP_INVALID_FIELD; |
| 777 | |
| 778 | return reply((struct ib_mad_hdr *)smp); |
| 779 | } |
| 780 | |
| 781 | enum { |
| 782 | HFI_TRANSITION_DISALLOWED, |
| 783 | HFI_TRANSITION_IGNORED, |
| 784 | HFI_TRANSITION_ALLOWED, |
| 785 | HFI_TRANSITION_UNDEFINED, |
| 786 | }; |
| 787 | |
| 788 | /* |
| 789 | * Use shortened names to improve readability of |
| 790 | * {logical,physical}_state_transitions |
| 791 | */ |
| 792 | enum { |
| 793 | __D = HFI_TRANSITION_DISALLOWED, |
| 794 | __I = HFI_TRANSITION_IGNORED, |
| 795 | __A = HFI_TRANSITION_ALLOWED, |
| 796 | __U = HFI_TRANSITION_UNDEFINED, |
| 797 | }; |
| 798 | |
| 799 | /* |
| 800 | * IB_PORTPHYSSTATE_POLLING (2) through OPA_PORTPHYSSTATE_MAX (11) are |
| 801 | * represented in physical_state_transitions. |
| 802 | */ |
| 803 | #define __N_PHYSTATES (OPA_PORTPHYSSTATE_MAX - IB_PORTPHYSSTATE_POLLING + 1) |
| 804 | |
| 805 | /* |
| 806 | * Within physical_state_transitions, rows represent "old" states, |
| 807 | * columns "new" states, and physical_state_transitions.allowed[old][new] |
| 808 | * indicates if the transition from old state to new state is legal (see |
| 809 | * OPAg1v1, Table 6-4). |
| 810 | */ |
| 811 | static const struct { |
| 812 | u8 allowed[__N_PHYSTATES][__N_PHYSTATES]; |
| 813 | } physical_state_transitions = { |
| 814 | { |
| 815 | /* 2 3 4 5 6 7 8 9 10 11 */ |
| 816 | /* 2 */ { __A, __A, __D, __D, __D, __D, __D, __D, __D, __D }, |
| 817 | /* 3 */ { __A, __I, __D, __D, __D, __D, __D, __D, __D, __A }, |
| 818 | /* 4 */ { __U, __U, __U, __U, __U, __U, __U, __U, __U, __U }, |
| 819 | /* 5 */ { __A, __A, __D, __I, __D, __D, __D, __D, __D, __D }, |
| 820 | /* 6 */ { __U, __U, __U, __U, __U, __U, __U, __U, __U, __U }, |
| 821 | /* 7 */ { __D, __A, __D, __D, __D, __I, __D, __D, __D, __D }, |
| 822 | /* 8 */ { __U, __U, __U, __U, __U, __U, __U, __U, __U, __U }, |
| 823 | /* 9 */ { __I, __A, __D, __D, __D, __D, __D, __I, __D, __D }, |
| 824 | /*10 */ { __U, __U, __U, __U, __U, __U, __U, __U, __U, __U }, |
| 825 | /*11 */ { __D, __A, __D, __D, __D, __D, __D, __D, __D, __I }, |
| 826 | } |
| 827 | }; |
| 828 | |
| 829 | /* |
| 830 | * IB_PORT_DOWN (1) through IB_PORT_ACTIVE_DEFER (5) are represented |
| 831 | * logical_state_transitions |
| 832 | */ |
| 833 | |
| 834 | #define __N_LOGICAL_STATES (IB_PORT_ACTIVE_DEFER - IB_PORT_DOWN + 1) |
| 835 | |
| 836 | /* |
| 837 | * Within logical_state_transitions rows represent "old" states, |
| 838 | * columns "new" states, and logical_state_transitions.allowed[old][new] |
| 839 | * indicates if the transition from old state to new state is legal (see |
| 840 | * OPAg1v1, Table 9-12). |
| 841 | */ |
| 842 | static const struct { |
| 843 | u8 allowed[__N_LOGICAL_STATES][__N_LOGICAL_STATES]; |
| 844 | } logical_state_transitions = { |
| 845 | { |
| 846 | /* 1 2 3 4 5 */ |
| 847 | /* 1 */ { __I, __D, __D, __D, __U}, |
| 848 | /* 2 */ { __D, __I, __A, __D, __U}, |
| 849 | /* 3 */ { __D, __D, __I, __A, __U}, |
| 850 | /* 4 */ { __D, __D, __I, __I, __U}, |
| 851 | /* 5 */ { __U, __U, __U, __U, __U}, |
| 852 | } |
| 853 | }; |
| 854 | |
| 855 | static int logical_transition_allowed(int old, int new) |
| 856 | { |
| 857 | if (old < IB_PORT_NOP || old > IB_PORT_ACTIVE_DEFER || |
| 858 | new < IB_PORT_NOP || new > IB_PORT_ACTIVE_DEFER) { |
| 859 | pr_warn("invalid logical state(s) (old %d new %d)\n", |
| 860 | old, new); |
| 861 | return HFI_TRANSITION_UNDEFINED; |
| 862 | } |
| 863 | |
| 864 | if (new == IB_PORT_NOP) |
| 865 | return HFI_TRANSITION_ALLOWED; /* always allowed */ |
| 866 | |
| 867 | /* adjust states for indexing into logical_state_transitions */ |
| 868 | old -= IB_PORT_DOWN; |
| 869 | new -= IB_PORT_DOWN; |
| 870 | |
| 871 | if (old < 0 || new < 0) |
| 872 | return HFI_TRANSITION_UNDEFINED; |
| 873 | return logical_state_transitions.allowed[old][new]; |
| 874 | } |
| 875 | |
| 876 | static int physical_transition_allowed(int old, int new) |
| 877 | { |
| 878 | if (old < IB_PORTPHYSSTATE_NOP || old > OPA_PORTPHYSSTATE_MAX || |
| 879 | new < IB_PORTPHYSSTATE_NOP || new > OPA_PORTPHYSSTATE_MAX) { |
| 880 | pr_warn("invalid physical state(s) (old %d new %d)\n", |
| 881 | old, new); |
| 882 | return HFI_TRANSITION_UNDEFINED; |
| 883 | } |
| 884 | |
| 885 | if (new == IB_PORTPHYSSTATE_NOP) |
| 886 | return HFI_TRANSITION_ALLOWED; /* always allowed */ |
| 887 | |
| 888 | /* adjust states for indexing into physical_state_transitions */ |
| 889 | old -= IB_PORTPHYSSTATE_POLLING; |
| 890 | new -= IB_PORTPHYSSTATE_POLLING; |
| 891 | |
| 892 | if (old < 0 || new < 0) |
| 893 | return HFI_TRANSITION_UNDEFINED; |
| 894 | return physical_state_transitions.allowed[old][new]; |
| 895 | } |
| 896 | |
| 897 | static int port_states_transition_allowed(struct hfi1_pportdata *ppd, |
| 898 | u32 logical_new, u32 physical_new) |
| 899 | { |
| 900 | u32 physical_old = driver_physical_state(ppd); |
| 901 | u32 logical_old = driver_logical_state(ppd); |
| 902 | int ret, logical_allowed, physical_allowed; |
| 903 | |
| 904 | logical_allowed = ret = |
| 905 | logical_transition_allowed(logical_old, logical_new); |
| 906 | |
| 907 | if (ret == HFI_TRANSITION_DISALLOWED || |
| 908 | ret == HFI_TRANSITION_UNDEFINED) { |
| 909 | pr_warn("invalid logical state transition %s -> %s\n", |
| 910 | opa_lstate_name(logical_old), |
| 911 | opa_lstate_name(logical_new)); |
| 912 | return ret; |
| 913 | } |
| 914 | |
| 915 | physical_allowed = ret = |
| 916 | physical_transition_allowed(physical_old, physical_new); |
| 917 | |
| 918 | if (ret == HFI_TRANSITION_DISALLOWED || |
| 919 | ret == HFI_TRANSITION_UNDEFINED) { |
| 920 | pr_warn("invalid physical state transition %s -> %s\n", |
| 921 | opa_pstate_name(physical_old), |
| 922 | opa_pstate_name(physical_new)); |
| 923 | return ret; |
| 924 | } |
| 925 | |
| 926 | if (logical_allowed == HFI_TRANSITION_IGNORED && |
| 927 | physical_allowed == HFI_TRANSITION_IGNORED) |
| 928 | return HFI_TRANSITION_IGNORED; |
| 929 | |
| 930 | /* |
| 931 | * Either physical_allowed or logical_allowed is |
| 932 | * HFI_TRANSITION_ALLOWED. |
| 933 | */ |
| 934 | return HFI_TRANSITION_ALLOWED; |
| 935 | } |
| 936 | |
| 937 | static int set_port_states(struct hfi1_pportdata *ppd, struct opa_smp *smp, |
| 938 | u32 logical_state, u32 phys_state, |
| 939 | int suppress_idle_sma) |
| 940 | { |
| 941 | struct hfi1_devdata *dd = ppd->dd; |
| 942 | u32 link_state; |
| 943 | int ret; |
| 944 | |
| 945 | ret = port_states_transition_allowed(ppd, logical_state, phys_state); |
| 946 | if (ret == HFI_TRANSITION_DISALLOWED || |
| 947 | ret == HFI_TRANSITION_UNDEFINED) { |
| 948 | /* error message emitted above */ |
| 949 | smp->status |= IB_SMP_INVALID_FIELD; |
| 950 | return 0; |
| 951 | } |
| 952 | |
| 953 | if (ret == HFI_TRANSITION_IGNORED) |
| 954 | return 0; |
| 955 | |
| 956 | if ((phys_state != IB_PORTPHYSSTATE_NOP) && |
| 957 | !(logical_state == IB_PORT_DOWN || |
| 958 | logical_state == IB_PORT_NOP)){ |
| 959 | pr_warn("SubnSet(OPA_PortInfo) port state invalid: logical_state 0x%x physical_state 0x%x\n", |
| 960 | logical_state, phys_state); |
| 961 | smp->status |= IB_SMP_INVALID_FIELD; |
| 962 | } |
| 963 | |
| 964 | /* |
| 965 | * Logical state changes are summarized in OPAv1g1 spec., |
| 966 | * Table 9-12; physical state changes are summarized in |
| 967 | * OPAv1g1 spec., Table 6.4. |
| 968 | */ |
| 969 | switch (logical_state) { |
| 970 | case IB_PORT_NOP: |
| 971 | if (phys_state == IB_PORTPHYSSTATE_NOP) |
| 972 | break; |
| 973 | /* FALLTHROUGH */ |
| 974 | case IB_PORT_DOWN: |
| 975 | if (phys_state == IB_PORTPHYSSTATE_NOP) |
| 976 | link_state = HLS_DN_DOWNDEF; |
| 977 | else if (phys_state == IB_PORTPHYSSTATE_POLLING) { |
| 978 | link_state = HLS_DN_POLL; |
| 979 | set_link_down_reason(ppd, |
| 980 | OPA_LINKDOWN_REASON_FM_BOUNCE, 0, |
| 981 | OPA_LINKDOWN_REASON_FM_BOUNCE); |
| 982 | } else if (phys_state == IB_PORTPHYSSTATE_DISABLED) |
| 983 | link_state = HLS_DN_DISABLE; |
| 984 | else { |
| 985 | pr_warn("SubnSet(OPA_PortInfo) invalid physical state 0x%x\n", |
| 986 | phys_state); |
| 987 | smp->status |= IB_SMP_INVALID_FIELD; |
| 988 | break; |
| 989 | } |
| 990 | |
| 991 | set_link_state(ppd, link_state); |
| 992 | if (link_state == HLS_DN_DISABLE && |
| 993 | (ppd->offline_disabled_reason > |
| 994 | OPA_LINKDOWN_REASON_SMA_DISABLED || |
| 995 | ppd->offline_disabled_reason == |
| 996 | OPA_LINKDOWN_REASON_NONE)) |
| 997 | ppd->offline_disabled_reason = |
| 998 | OPA_LINKDOWN_REASON_SMA_DISABLED; |
| 999 | /* |
| 1000 | * Don't send a reply if the response would be sent |
| 1001 | * through the disabled port. |
| 1002 | */ |
| 1003 | if (link_state == HLS_DN_DISABLE && smp->hop_cnt) |
| 1004 | return IB_MAD_RESULT_SUCCESS | IB_MAD_RESULT_CONSUMED; |
| 1005 | break; |
| 1006 | case IB_PORT_ARMED: |
| 1007 | ret = set_link_state(ppd, HLS_UP_ARMED); |
| 1008 | if ((ret == 0) && (suppress_idle_sma == 0)) |
| 1009 | send_idle_sma(dd, SMA_IDLE_ARM); |
| 1010 | break; |
| 1011 | case IB_PORT_ACTIVE: |
| 1012 | if (ppd->neighbor_normal) { |
| 1013 | ret = set_link_state(ppd, HLS_UP_ACTIVE); |
| 1014 | if (ret == 0) |
| 1015 | send_idle_sma(dd, SMA_IDLE_ACTIVE); |
| 1016 | } else { |
| 1017 | pr_warn("SubnSet(OPA_PortInfo) Cannot move to Active with NeighborNormal 0\n"); |
| 1018 | smp->status |= IB_SMP_INVALID_FIELD; |
| 1019 | } |
| 1020 | break; |
| 1021 | default: |
| 1022 | pr_warn("SubnSet(OPA_PortInfo) invalid logical state 0x%x\n", |
| 1023 | logical_state); |
| 1024 | smp->status |= IB_SMP_INVALID_FIELD; |
| 1025 | } |
| 1026 | |
| 1027 | return 0; |
| 1028 | } |
| 1029 | |
| 1030 | /** |
| 1031 | * subn_set_opa_portinfo - set port information |
| 1032 | * @smp: the incoming SM packet |
| 1033 | * @ibdev: the infiniband device |
| 1034 | * @port: the port on the device |
| 1035 | * |
| 1036 | */ |
| 1037 | static int __subn_set_opa_portinfo(struct opa_smp *smp, u32 am, u8 *data, |
| 1038 | struct ib_device *ibdev, u8 port, |
| 1039 | u32 *resp_len) |
| 1040 | { |
| 1041 | struct opa_port_info *pi = (struct opa_port_info *)data; |
| 1042 | struct ib_event event; |
| 1043 | struct hfi1_devdata *dd; |
| 1044 | struct hfi1_pportdata *ppd; |
| 1045 | struct hfi1_ibport *ibp; |
| 1046 | u8 clientrereg; |
| 1047 | unsigned long flags; |
| 1048 | u32 smlid, opa_lid; /* tmp vars to hold LID values */ |
| 1049 | u16 lid; |
| 1050 | u8 ls_old, ls_new, ps_new; |
| 1051 | u8 vls; |
| 1052 | u8 msl; |
| 1053 | u8 crc_enabled; |
| 1054 | u16 lse, lwe, mtu; |
| 1055 | u32 num_ports = OPA_AM_NPORT(am); |
| 1056 | u32 start_of_sm_config = OPA_AM_START_SM_CFG(am); |
| 1057 | int ret, i, invalid = 0, call_set_mtu = 0; |
| 1058 | int call_link_downgrade_policy = 0; |
| 1059 | |
| 1060 | if (num_ports != 1) { |
| 1061 | smp->status |= IB_SMP_INVALID_FIELD; |
| 1062 | return reply((struct ib_mad_hdr *)smp); |
| 1063 | } |
| 1064 | |
| 1065 | opa_lid = be32_to_cpu(pi->lid); |
| 1066 | if (opa_lid & 0xFFFF0000) { |
| 1067 | pr_warn("OPA_PortInfo lid out of range: %X\n", opa_lid); |
| 1068 | smp->status |= IB_SMP_INVALID_FIELD; |
| 1069 | goto get_only; |
| 1070 | } |
| 1071 | |
| 1072 | lid = (u16)(opa_lid & 0x0000FFFF); |
| 1073 | |
| 1074 | smlid = be32_to_cpu(pi->sm_lid); |
| 1075 | if (smlid & 0xFFFF0000) { |
| 1076 | pr_warn("OPA_PortInfo SM lid out of range: %X\n", smlid); |
| 1077 | smp->status |= IB_SMP_INVALID_FIELD; |
| 1078 | goto get_only; |
| 1079 | } |
| 1080 | smlid &= 0x0000FFFF; |
| 1081 | |
| 1082 | clientrereg = (pi->clientrereg_subnettimeout & |
| 1083 | OPA_PI_MASK_CLIENT_REREGISTER); |
| 1084 | |
| 1085 | dd = dd_from_ibdev(ibdev); |
| 1086 | /* IB numbers ports from 1, hw from 0 */ |
| 1087 | ppd = dd->pport + (port - 1); |
| 1088 | ibp = &ppd->ibport_data; |
| 1089 | event.device = ibdev; |
| 1090 | event.element.port_num = port; |
| 1091 | |
| 1092 | ls_old = driver_lstate(ppd); |
| 1093 | |
| 1094 | ibp->mkey = pi->mkey; |
| 1095 | ibp->gid_prefix = pi->subnet_prefix; |
| 1096 | ibp->mkey_lease_period = be16_to_cpu(pi->mkey_lease_period); |
| 1097 | |
| 1098 | /* Must be a valid unicast LID address. */ |
| 1099 | if ((lid == 0 && ls_old > IB_PORT_INIT) || |
| 1100 | lid >= HFI1_MULTICAST_LID_BASE) { |
| 1101 | smp->status |= IB_SMP_INVALID_FIELD; |
| 1102 | pr_warn("SubnSet(OPA_PortInfo) lid invalid 0x%x\n", |
| 1103 | lid); |
| 1104 | } else if (ppd->lid != lid || |
| 1105 | ppd->lmc != (pi->mkeyprotect_lmc & OPA_PI_MASK_LMC)) { |
| 1106 | if (ppd->lid != lid) |
| 1107 | hfi1_set_uevent_bits(ppd, _HFI1_EVENT_LID_CHANGE_BIT); |
| 1108 | if (ppd->lmc != (pi->mkeyprotect_lmc & OPA_PI_MASK_LMC)) |
| 1109 | hfi1_set_uevent_bits(ppd, _HFI1_EVENT_LMC_CHANGE_BIT); |
| 1110 | hfi1_set_lid(ppd, lid, pi->mkeyprotect_lmc & OPA_PI_MASK_LMC); |
| 1111 | event.event = IB_EVENT_LID_CHANGE; |
| 1112 | ib_dispatch_event(&event); |
| 1113 | } |
| 1114 | |
| 1115 | msl = pi->smsl & OPA_PI_MASK_SMSL; |
| 1116 | if (pi->partenforce_filterraw & OPA_PI_MASK_LINKINIT_REASON) |
| 1117 | ppd->linkinit_reason = |
| 1118 | (pi->partenforce_filterraw & |
| 1119 | OPA_PI_MASK_LINKINIT_REASON); |
| 1120 | /* enable/disable SW pkey checking as per FM control */ |
| 1121 | if (pi->partenforce_filterraw & OPA_PI_MASK_PARTITION_ENFORCE_IN) |
| 1122 | ppd->part_enforce |= HFI1_PART_ENFORCE_IN; |
| 1123 | else |
| 1124 | ppd->part_enforce &= ~HFI1_PART_ENFORCE_IN; |
| 1125 | |
| 1126 | if (pi->partenforce_filterraw & OPA_PI_MASK_PARTITION_ENFORCE_OUT) |
| 1127 | ppd->part_enforce |= HFI1_PART_ENFORCE_OUT; |
| 1128 | else |
| 1129 | ppd->part_enforce &= ~HFI1_PART_ENFORCE_OUT; |
| 1130 | |
| 1131 | /* Must be a valid unicast LID address. */ |
| 1132 | if ((smlid == 0 && ls_old > IB_PORT_INIT) || |
| 1133 | smlid >= HFI1_MULTICAST_LID_BASE) { |
| 1134 | smp->status |= IB_SMP_INVALID_FIELD; |
| 1135 | pr_warn("SubnSet(OPA_PortInfo) smlid invalid 0x%x\n", smlid); |
| 1136 | } else if (smlid != ibp->sm_lid || msl != ibp->sm_sl) { |
| 1137 | pr_warn("SubnSet(OPA_PortInfo) smlid 0x%x\n", smlid); |
| 1138 | spin_lock_irqsave(&ibp->lock, flags); |
| 1139 | if (ibp->sm_ah) { |
| 1140 | if (smlid != ibp->sm_lid) |
| 1141 | ibp->sm_ah->attr.dlid = smlid; |
| 1142 | if (msl != ibp->sm_sl) |
| 1143 | ibp->sm_ah->attr.sl = msl; |
| 1144 | } |
| 1145 | spin_unlock_irqrestore(&ibp->lock, flags); |
| 1146 | if (smlid != ibp->sm_lid) |
| 1147 | ibp->sm_lid = smlid; |
| 1148 | if (msl != ibp->sm_sl) |
| 1149 | ibp->sm_sl = msl; |
| 1150 | event.event = IB_EVENT_SM_CHANGE; |
| 1151 | ib_dispatch_event(&event); |
| 1152 | } |
| 1153 | |
| 1154 | if (pi->link_down_reason == 0) { |
| 1155 | ppd->local_link_down_reason.sma = 0; |
| 1156 | ppd->local_link_down_reason.latest = 0; |
| 1157 | } |
| 1158 | |
| 1159 | if (pi->neigh_link_down_reason == 0) { |
| 1160 | ppd->neigh_link_down_reason.sma = 0; |
| 1161 | ppd->neigh_link_down_reason.latest = 0; |
| 1162 | } |
| 1163 | |
| 1164 | ppd->sm_trap_qp = be32_to_cpu(pi->sm_trap_qp); |
| 1165 | ppd->sa_qp = be32_to_cpu(pi->sa_qp); |
| 1166 | |
| 1167 | ppd->port_error_action = be32_to_cpu(pi->port_error_action); |
| 1168 | lwe = be16_to_cpu(pi->link_width.enabled); |
| 1169 | if (lwe) { |
| 1170 | if (lwe == OPA_LINK_WIDTH_RESET |
| 1171 | || lwe == OPA_LINK_WIDTH_RESET_OLD) |
| 1172 | set_link_width_enabled(ppd, ppd->link_width_supported); |
| 1173 | else if ((lwe & ~ppd->link_width_supported) == 0) |
| 1174 | set_link_width_enabled(ppd, lwe); |
| 1175 | else |
| 1176 | smp->status |= IB_SMP_INVALID_FIELD; |
| 1177 | } |
| 1178 | lwe = be16_to_cpu(pi->link_width_downgrade.enabled); |
| 1179 | /* LWD.E is always applied - 0 means "disabled" */ |
| 1180 | if (lwe == OPA_LINK_WIDTH_RESET |
| 1181 | || lwe == OPA_LINK_WIDTH_RESET_OLD) { |
| 1182 | set_link_width_downgrade_enabled(ppd, |
| 1183 | ppd->link_width_downgrade_supported); |
| 1184 | } else if ((lwe & ~ppd->link_width_downgrade_supported) == 0) { |
| 1185 | /* only set and apply if something changed */ |
| 1186 | if (lwe != ppd->link_width_downgrade_enabled) { |
| 1187 | set_link_width_downgrade_enabled(ppd, lwe); |
| 1188 | call_link_downgrade_policy = 1; |
| 1189 | } |
| 1190 | } else |
| 1191 | smp->status |= IB_SMP_INVALID_FIELD; |
| 1192 | |
| 1193 | lse = be16_to_cpu(pi->link_speed.enabled); |
| 1194 | if (lse) { |
| 1195 | if (lse & be16_to_cpu(pi->link_speed.supported)) |
| 1196 | set_link_speed_enabled(ppd, lse); |
| 1197 | else |
| 1198 | smp->status |= IB_SMP_INVALID_FIELD; |
| 1199 | } |
| 1200 | |
| 1201 | ibp->mkeyprot = (pi->mkeyprotect_lmc & OPA_PI_MASK_MKEY_PROT_BIT) >> 6; |
| 1202 | ibp->vl_high_limit = be16_to_cpu(pi->vl.high_limit) & 0xFF; |
| 1203 | (void)hfi1_set_ib_cfg(ppd, HFI1_IB_CFG_VL_HIGH_LIMIT, |
| 1204 | ibp->vl_high_limit); |
| 1205 | |
| 1206 | if (ppd->vls_supported/2 > ARRAY_SIZE(pi->neigh_mtu.pvlx_to_mtu) || |
| 1207 | ppd->vls_supported > ARRAY_SIZE(dd->vld)) { |
| 1208 | smp->status |= IB_SMP_INVALID_FIELD; |
| 1209 | return reply((struct ib_mad_hdr *)smp); |
| 1210 | } |
| 1211 | for (i = 0; i < ppd->vls_supported; i++) { |
| 1212 | if ((i % 2) == 0) |
| 1213 | mtu = enum_to_mtu((pi->neigh_mtu.pvlx_to_mtu[i/2] >> 4) |
| 1214 | & 0xF); |
| 1215 | else |
| 1216 | mtu = enum_to_mtu(pi->neigh_mtu.pvlx_to_mtu[i/2] & 0xF); |
| 1217 | if (mtu == 0xffff) { |
| 1218 | pr_warn("SubnSet(OPA_PortInfo) mtu invalid %d (0x%x)\n", |
| 1219 | mtu, |
| 1220 | (pi->neigh_mtu.pvlx_to_mtu[0] >> 4) & 0xF); |
| 1221 | smp->status |= IB_SMP_INVALID_FIELD; |
| 1222 | mtu = hfi1_max_mtu; /* use a valid MTU */ |
| 1223 | } |
| 1224 | if (dd->vld[i].mtu != mtu) { |
| 1225 | dd_dev_info(dd, |
| 1226 | "MTU change on vl %d from %d to %d\n", |
| 1227 | i, dd->vld[i].mtu, mtu); |
| 1228 | dd->vld[i].mtu = mtu; |
| 1229 | call_set_mtu++; |
| 1230 | } |
| 1231 | } |
| 1232 | /* As per OPAV1 spec: VL15 must support and be configured |
| 1233 | * for operation with a 2048 or larger MTU. |
| 1234 | */ |
| 1235 | mtu = enum_to_mtu(pi->neigh_mtu.pvlx_to_mtu[15/2] & 0xF); |
| 1236 | if (mtu < 2048 || mtu == 0xffff) |
| 1237 | mtu = 2048; |
| 1238 | if (dd->vld[15].mtu != mtu) { |
| 1239 | dd_dev_info(dd, |
| 1240 | "MTU change on vl 15 from %d to %d\n", |
| 1241 | dd->vld[15].mtu, mtu); |
| 1242 | dd->vld[15].mtu = mtu; |
| 1243 | call_set_mtu++; |
| 1244 | } |
| 1245 | if (call_set_mtu) |
| 1246 | set_mtu(ppd); |
| 1247 | |
| 1248 | /* Set operational VLs */ |
| 1249 | vls = pi->operational_vls & OPA_PI_MASK_OPERATIONAL_VL; |
| 1250 | if (vls) { |
| 1251 | if (vls > ppd->vls_supported) { |
| 1252 | pr_warn("SubnSet(OPA_PortInfo) VL's supported invalid %d\n", |
| 1253 | pi->operational_vls); |
| 1254 | smp->status |= IB_SMP_INVALID_FIELD; |
| 1255 | } else { |
| 1256 | if (hfi1_set_ib_cfg(ppd, HFI1_IB_CFG_OP_VLS, |
| 1257 | vls) == -EINVAL) |
| 1258 | smp->status |= IB_SMP_INVALID_FIELD; |
| 1259 | } |
| 1260 | } |
| 1261 | |
| 1262 | if (pi->mkey_violations == 0) |
| 1263 | ibp->mkey_violations = 0; |
| 1264 | |
| 1265 | if (pi->pkey_violations == 0) |
| 1266 | ibp->pkey_violations = 0; |
| 1267 | |
| 1268 | if (pi->qkey_violations == 0) |
| 1269 | ibp->qkey_violations = 0; |
| 1270 | |
| 1271 | ibp->subnet_timeout = |
| 1272 | pi->clientrereg_subnettimeout & OPA_PI_MASK_SUBNET_TIMEOUT; |
| 1273 | |
| 1274 | crc_enabled = be16_to_cpu(pi->port_ltp_crc_mode); |
| 1275 | crc_enabled >>= 4; |
| 1276 | crc_enabled &= 0xf; |
| 1277 | |
| 1278 | if (crc_enabled != 0) |
| 1279 | ppd->port_crc_mode_enabled = port_ltp_to_cap(crc_enabled); |
| 1280 | |
| 1281 | ppd->is_active_optimize_enabled = |
| 1282 | !!(be16_to_cpu(pi->port_mode) |
| 1283 | & OPA_PI_MASK_PORT_ACTIVE_OPTOMIZE); |
| 1284 | |
| 1285 | ls_new = pi->port_states.portphysstate_portstate & |
| 1286 | OPA_PI_MASK_PORT_STATE; |
| 1287 | ps_new = (pi->port_states.portphysstate_portstate & |
| 1288 | OPA_PI_MASK_PORT_PHYSICAL_STATE) >> 4; |
| 1289 | |
| 1290 | if (ls_old == IB_PORT_INIT) { |
| 1291 | if (start_of_sm_config) { |
| 1292 | if (ls_new == ls_old || (ls_new == IB_PORT_ARMED)) |
| 1293 | ppd->is_sm_config_started = 1; |
| 1294 | } else if (ls_new == IB_PORT_ARMED) { |
| 1295 | if (ppd->is_sm_config_started == 0) |
| 1296 | invalid = 1; |
| 1297 | } |
| 1298 | } |
| 1299 | |
| 1300 | /* Handle CLIENT_REREGISTER event b/c SM asked us for it */ |
| 1301 | if (clientrereg) { |
| 1302 | event.event = IB_EVENT_CLIENT_REREGISTER; |
| 1303 | ib_dispatch_event(&event); |
| 1304 | } |
| 1305 | |
| 1306 | /* |
| 1307 | * Do the port state change now that the other link parameters |
| 1308 | * have been set. |
| 1309 | * Changing the port physical state only makes sense if the link |
| 1310 | * is down or is being set to down. |
| 1311 | */ |
| 1312 | |
| 1313 | ret = set_port_states(ppd, smp, ls_new, ps_new, invalid); |
| 1314 | if (ret) |
| 1315 | return ret; |
| 1316 | |
| 1317 | ret = __subn_get_opa_portinfo(smp, am, data, ibdev, port, resp_len); |
| 1318 | |
| 1319 | /* restore re-reg bit per o14-12.2.1 */ |
| 1320 | pi->clientrereg_subnettimeout |= clientrereg; |
| 1321 | |
| 1322 | /* |
| 1323 | * Apply the new link downgrade policy. This may result in a link |
| 1324 | * bounce. Do this after everything else so things are settled. |
| 1325 | * Possible problem: if setting the port state above fails, then |
| 1326 | * the policy change is not applied. |
| 1327 | */ |
| 1328 | if (call_link_downgrade_policy) |
| 1329 | apply_link_downgrade_policy(ppd, 0); |
| 1330 | |
| 1331 | return ret; |
| 1332 | |
| 1333 | get_only: |
| 1334 | return __subn_get_opa_portinfo(smp, am, data, ibdev, port, resp_len); |
| 1335 | } |
| 1336 | |
| 1337 | /** |
| 1338 | * set_pkeys - set the PKEY table for ctxt 0 |
| 1339 | * @dd: the hfi1_ib device |
| 1340 | * @port: the IB port number |
| 1341 | * @pkeys: the PKEY table |
| 1342 | */ |
| 1343 | static int set_pkeys(struct hfi1_devdata *dd, u8 port, u16 *pkeys) |
| 1344 | { |
| 1345 | struct hfi1_pportdata *ppd; |
| 1346 | int i; |
| 1347 | int changed = 0; |
| 1348 | int update_includes_mgmt_partition = 0; |
| 1349 | |
| 1350 | /* |
| 1351 | * IB port one/two always maps to context zero/one, |
| 1352 | * always a kernel context, no locking needed |
| 1353 | * If we get here with ppd setup, no need to check |
| 1354 | * that rcd is valid. |
| 1355 | */ |
| 1356 | ppd = dd->pport + (port - 1); |
| 1357 | /* |
| 1358 | * If the update does not include the management pkey, don't do it. |
| 1359 | */ |
| 1360 | for (i = 0; i < ARRAY_SIZE(ppd->pkeys); i++) { |
| 1361 | if (pkeys[i] == LIM_MGMT_P_KEY) { |
| 1362 | update_includes_mgmt_partition = 1; |
| 1363 | break; |
| 1364 | } |
| 1365 | } |
| 1366 | |
| 1367 | if (!update_includes_mgmt_partition) |
| 1368 | return 1; |
| 1369 | |
| 1370 | for (i = 0; i < ARRAY_SIZE(ppd->pkeys); i++) { |
| 1371 | u16 key = pkeys[i]; |
| 1372 | u16 okey = ppd->pkeys[i]; |
| 1373 | |
| 1374 | if (key == okey) |
| 1375 | continue; |
| 1376 | /* |
| 1377 | * The SM gives us the complete PKey table. We have |
| 1378 | * to ensure that we put the PKeys in the matching |
| 1379 | * slots. |
| 1380 | */ |
| 1381 | ppd->pkeys[i] = key; |
| 1382 | changed = 1; |
| 1383 | } |
| 1384 | |
| 1385 | if (changed) { |
| 1386 | struct ib_event event; |
| 1387 | |
| 1388 | (void)hfi1_set_ib_cfg(ppd, HFI1_IB_CFG_PKEYS, 0); |
| 1389 | |
| 1390 | event.event = IB_EVENT_PKEY_CHANGE; |
Dennis Dalessandro | ec3f2c1 | 2016-01-19 14:41:33 -0800 | [diff] [blame] | 1391 | event.device = &dd->verbs_dev.rdi.ibdev; |
Mike Marciniszyn | 7724105 | 2015-07-30 15:17:43 -0400 | [diff] [blame] | 1392 | event.element.port_num = port; |
| 1393 | ib_dispatch_event(&event); |
| 1394 | } |
| 1395 | return 0; |
| 1396 | } |
| 1397 | |
| 1398 | static int __subn_set_opa_pkeytable(struct opa_smp *smp, u32 am, u8 *data, |
| 1399 | struct ib_device *ibdev, u8 port, |
| 1400 | u32 *resp_len) |
| 1401 | { |
| 1402 | struct hfi1_devdata *dd = dd_from_ibdev(ibdev); |
| 1403 | u32 n_blocks_sent = OPA_AM_NBLK(am); |
| 1404 | u32 start_block = am & 0x7ff; |
| 1405 | u16 *p = (u16 *) data; |
| 1406 | __be16 *q = (__be16 *)data; |
| 1407 | int i; |
| 1408 | u16 n_blocks_avail; |
| 1409 | unsigned npkeys = hfi1_get_npkeys(dd); |
| 1410 | |
| 1411 | if (n_blocks_sent == 0) { |
| 1412 | pr_warn("OPA Get PKey AM Invalid : P = %d; B = 0x%x; N = 0x%x\n", |
| 1413 | port, start_block, n_blocks_sent); |
| 1414 | smp->status |= IB_SMP_INVALID_FIELD; |
| 1415 | return reply((struct ib_mad_hdr *)smp); |
| 1416 | } |
| 1417 | |
| 1418 | n_blocks_avail = (u16)(npkeys/OPA_PARTITION_TABLE_BLK_SIZE) + 1; |
| 1419 | |
| 1420 | if (start_block + n_blocks_sent > n_blocks_avail || |
| 1421 | n_blocks_sent > OPA_NUM_PKEY_BLOCKS_PER_SMP) { |
| 1422 | pr_warn("OPA Set PKey AM Invalid : s 0x%x; req 0x%x; avail 0x%x; blk/smp 0x%lx\n", |
| 1423 | start_block, n_blocks_sent, n_blocks_avail, |
| 1424 | OPA_NUM_PKEY_BLOCKS_PER_SMP); |
| 1425 | smp->status |= IB_SMP_INVALID_FIELD; |
| 1426 | return reply((struct ib_mad_hdr *)smp); |
| 1427 | } |
| 1428 | |
| 1429 | for (i = 0; i < n_blocks_sent * OPA_PARTITION_TABLE_BLK_SIZE; i++) |
| 1430 | p[i] = be16_to_cpu(q[i]); |
| 1431 | |
| 1432 | if (start_block == 0 && set_pkeys(dd, port, p) != 0) { |
| 1433 | smp->status |= IB_SMP_INVALID_FIELD; |
| 1434 | return reply((struct ib_mad_hdr *)smp); |
| 1435 | } |
| 1436 | |
| 1437 | return __subn_get_opa_pkeytable(smp, am, data, ibdev, port, resp_len); |
| 1438 | } |
| 1439 | |
| 1440 | static int get_sc2vlt_tables(struct hfi1_devdata *dd, void *data) |
| 1441 | { |
Shraddha Barke | a787bde | 2015-10-15 00:58:29 +0530 | [diff] [blame] | 1442 | u64 *val = data; |
Mike Marciniszyn | 7724105 | 2015-07-30 15:17:43 -0400 | [diff] [blame] | 1443 | |
| 1444 | *val++ = read_csr(dd, SEND_SC2VLT0); |
| 1445 | *val++ = read_csr(dd, SEND_SC2VLT1); |
| 1446 | *val++ = read_csr(dd, SEND_SC2VLT2); |
| 1447 | *val++ = read_csr(dd, SEND_SC2VLT3); |
| 1448 | return 0; |
| 1449 | } |
| 1450 | |
| 1451 | #define ILLEGAL_VL 12 |
| 1452 | /* |
| 1453 | * filter_sc2vlt changes mappings to VL15 to ILLEGAL_VL (except |
| 1454 | * for SC15, which must map to VL15). If we don't remap things this |
| 1455 | * way it is possible for VL15 counters to increment when we try to |
| 1456 | * send on a SC which is mapped to an invalid VL. |
| 1457 | */ |
| 1458 | static void filter_sc2vlt(void *data) |
| 1459 | { |
| 1460 | int i; |
Shraddha Barke | a787bde | 2015-10-15 00:58:29 +0530 | [diff] [blame] | 1461 | u8 *pd = data; |
Mike Marciniszyn | 7724105 | 2015-07-30 15:17:43 -0400 | [diff] [blame] | 1462 | |
| 1463 | for (i = 0; i < OPA_MAX_SCS; i++) { |
| 1464 | if (i == 15) |
| 1465 | continue; |
| 1466 | if ((pd[i] & 0x1f) == 0xf) |
| 1467 | pd[i] = ILLEGAL_VL; |
| 1468 | } |
| 1469 | } |
| 1470 | |
| 1471 | static int set_sc2vlt_tables(struct hfi1_devdata *dd, void *data) |
| 1472 | { |
Shraddha Barke | a787bde | 2015-10-15 00:58:29 +0530 | [diff] [blame] | 1473 | u64 *val = data; |
Mike Marciniszyn | 7724105 | 2015-07-30 15:17:43 -0400 | [diff] [blame] | 1474 | |
| 1475 | filter_sc2vlt(data); |
| 1476 | |
| 1477 | write_csr(dd, SEND_SC2VLT0, *val++); |
| 1478 | write_csr(dd, SEND_SC2VLT1, *val++); |
| 1479 | write_csr(dd, SEND_SC2VLT2, *val++); |
| 1480 | write_csr(dd, SEND_SC2VLT3, *val++); |
| 1481 | write_seqlock_irq(&dd->sc2vl_lock); |
Shraddha Barke | a787bde | 2015-10-15 00:58:29 +0530 | [diff] [blame] | 1482 | memcpy(dd->sc2vl, data, sizeof(dd->sc2vl)); |
Mike Marciniszyn | 7724105 | 2015-07-30 15:17:43 -0400 | [diff] [blame] | 1483 | write_sequnlock_irq(&dd->sc2vl_lock); |
| 1484 | return 0; |
| 1485 | } |
| 1486 | |
| 1487 | static int __subn_get_opa_sl_to_sc(struct opa_smp *smp, u32 am, u8 *data, |
| 1488 | struct ib_device *ibdev, u8 port, |
| 1489 | u32 *resp_len) |
| 1490 | { |
| 1491 | struct hfi1_ibport *ibp = to_iport(ibdev, port); |
Shivani Bhardwaj | 6618c05 | 2015-10-15 15:14:41 +0530 | [diff] [blame] | 1492 | u8 *p = data; |
Mike Marciniszyn | 7724105 | 2015-07-30 15:17:43 -0400 | [diff] [blame] | 1493 | size_t size = ARRAY_SIZE(ibp->sl_to_sc); /* == 32 */ |
| 1494 | unsigned i; |
| 1495 | |
| 1496 | if (am) { |
| 1497 | smp->status |= IB_SMP_INVALID_FIELD; |
| 1498 | return reply((struct ib_mad_hdr *)smp); |
| 1499 | } |
| 1500 | |
| 1501 | for (i = 0; i < ARRAY_SIZE(ibp->sl_to_sc); i++) |
| 1502 | *p++ = ibp->sl_to_sc[i]; |
| 1503 | |
| 1504 | if (resp_len) |
| 1505 | *resp_len += size; |
| 1506 | |
| 1507 | return reply((struct ib_mad_hdr *)smp); |
| 1508 | } |
| 1509 | |
| 1510 | static int __subn_set_opa_sl_to_sc(struct opa_smp *smp, u32 am, u8 *data, |
| 1511 | struct ib_device *ibdev, u8 port, |
| 1512 | u32 *resp_len) |
| 1513 | { |
| 1514 | struct hfi1_ibport *ibp = to_iport(ibdev, port); |
Shivani Bhardwaj | 6618c05 | 2015-10-15 15:14:41 +0530 | [diff] [blame] | 1515 | u8 *p = data; |
Mike Marciniszyn | 7724105 | 2015-07-30 15:17:43 -0400 | [diff] [blame] | 1516 | int i; |
| 1517 | |
| 1518 | if (am) { |
| 1519 | smp->status |= IB_SMP_INVALID_FIELD; |
| 1520 | return reply((struct ib_mad_hdr *)smp); |
| 1521 | } |
| 1522 | |
| 1523 | for (i = 0; i < ARRAY_SIZE(ibp->sl_to_sc); i++) |
| 1524 | ibp->sl_to_sc[i] = *p++; |
| 1525 | |
| 1526 | return __subn_get_opa_sl_to_sc(smp, am, data, ibdev, port, resp_len); |
| 1527 | } |
| 1528 | |
| 1529 | static int __subn_get_opa_sc_to_sl(struct opa_smp *smp, u32 am, u8 *data, |
| 1530 | struct ib_device *ibdev, u8 port, |
| 1531 | u32 *resp_len) |
| 1532 | { |
| 1533 | struct hfi1_ibport *ibp = to_iport(ibdev, port); |
Shivani Bhardwaj | 6618c05 | 2015-10-15 15:14:41 +0530 | [diff] [blame] | 1534 | u8 *p = data; |
Mike Marciniszyn | 7724105 | 2015-07-30 15:17:43 -0400 | [diff] [blame] | 1535 | size_t size = ARRAY_SIZE(ibp->sc_to_sl); /* == 32 */ |
| 1536 | unsigned i; |
| 1537 | |
| 1538 | if (am) { |
| 1539 | smp->status |= IB_SMP_INVALID_FIELD; |
| 1540 | return reply((struct ib_mad_hdr *)smp); |
| 1541 | } |
| 1542 | |
| 1543 | for (i = 0; i < ARRAY_SIZE(ibp->sc_to_sl); i++) |
| 1544 | *p++ = ibp->sc_to_sl[i]; |
| 1545 | |
| 1546 | if (resp_len) |
| 1547 | *resp_len += size; |
| 1548 | |
| 1549 | return reply((struct ib_mad_hdr *)smp); |
| 1550 | } |
| 1551 | |
| 1552 | static int __subn_set_opa_sc_to_sl(struct opa_smp *smp, u32 am, u8 *data, |
| 1553 | struct ib_device *ibdev, u8 port, |
| 1554 | u32 *resp_len) |
| 1555 | { |
| 1556 | struct hfi1_ibport *ibp = to_iport(ibdev, port); |
Shivani Bhardwaj | 6618c05 | 2015-10-15 15:14:41 +0530 | [diff] [blame] | 1557 | u8 *p = data; |
Mike Marciniszyn | 7724105 | 2015-07-30 15:17:43 -0400 | [diff] [blame] | 1558 | int i; |
| 1559 | |
| 1560 | if (am) { |
| 1561 | smp->status |= IB_SMP_INVALID_FIELD; |
| 1562 | return reply((struct ib_mad_hdr *)smp); |
| 1563 | } |
| 1564 | |
| 1565 | for (i = 0; i < ARRAY_SIZE(ibp->sc_to_sl); i++) |
| 1566 | ibp->sc_to_sl[i] = *p++; |
| 1567 | |
| 1568 | return __subn_get_opa_sc_to_sl(smp, am, data, ibdev, port, resp_len); |
| 1569 | } |
| 1570 | |
| 1571 | static int __subn_get_opa_sc_to_vlt(struct opa_smp *smp, u32 am, u8 *data, |
| 1572 | struct ib_device *ibdev, u8 port, |
| 1573 | u32 *resp_len) |
| 1574 | { |
| 1575 | u32 n_blocks = OPA_AM_NBLK(am); |
| 1576 | struct hfi1_devdata *dd = dd_from_ibdev(ibdev); |
| 1577 | void *vp = (void *) data; |
| 1578 | size_t size = 4 * sizeof(u64); |
| 1579 | |
| 1580 | if (n_blocks != 1) { |
| 1581 | smp->status |= IB_SMP_INVALID_FIELD; |
| 1582 | return reply((struct ib_mad_hdr *)smp); |
| 1583 | } |
| 1584 | |
| 1585 | get_sc2vlt_tables(dd, vp); |
| 1586 | |
| 1587 | if (resp_len) |
| 1588 | *resp_len += size; |
| 1589 | |
| 1590 | return reply((struct ib_mad_hdr *)smp); |
| 1591 | } |
| 1592 | |
| 1593 | static int __subn_set_opa_sc_to_vlt(struct opa_smp *smp, u32 am, u8 *data, |
| 1594 | struct ib_device *ibdev, u8 port, |
| 1595 | u32 *resp_len) |
| 1596 | { |
| 1597 | u32 n_blocks = OPA_AM_NBLK(am); |
| 1598 | int async_update = OPA_AM_ASYNC(am); |
| 1599 | struct hfi1_devdata *dd = dd_from_ibdev(ibdev); |
| 1600 | void *vp = (void *) data; |
| 1601 | struct hfi1_pportdata *ppd; |
| 1602 | int lstate; |
| 1603 | |
| 1604 | if (n_blocks != 1 || async_update) { |
| 1605 | smp->status |= IB_SMP_INVALID_FIELD; |
| 1606 | return reply((struct ib_mad_hdr *)smp); |
| 1607 | } |
| 1608 | |
| 1609 | /* IB numbers ports from 1, hw from 0 */ |
| 1610 | ppd = dd->pport + (port - 1); |
| 1611 | lstate = driver_lstate(ppd); |
| 1612 | /* it's known that async_update is 0 by this point, but include |
| 1613 | * the explicit check for clarity */ |
| 1614 | if (!async_update && |
| 1615 | (lstate == IB_PORT_ARMED || lstate == IB_PORT_ACTIVE)) { |
| 1616 | smp->status |= IB_SMP_INVALID_FIELD; |
| 1617 | return reply((struct ib_mad_hdr *)smp); |
| 1618 | } |
| 1619 | |
| 1620 | set_sc2vlt_tables(dd, vp); |
| 1621 | |
| 1622 | return __subn_get_opa_sc_to_vlt(smp, am, data, ibdev, port, resp_len); |
| 1623 | } |
| 1624 | |
| 1625 | static int __subn_get_opa_sc_to_vlnt(struct opa_smp *smp, u32 am, u8 *data, |
| 1626 | struct ib_device *ibdev, u8 port, |
| 1627 | u32 *resp_len) |
| 1628 | { |
| 1629 | u32 n_blocks = OPA_AM_NPORT(am); |
| 1630 | struct hfi1_devdata *dd = dd_from_ibdev(ibdev); |
| 1631 | struct hfi1_pportdata *ppd; |
| 1632 | void *vp = (void *) data; |
| 1633 | int size; |
| 1634 | |
| 1635 | if (n_blocks != 1) { |
| 1636 | smp->status |= IB_SMP_INVALID_FIELD; |
| 1637 | return reply((struct ib_mad_hdr *)smp); |
| 1638 | } |
| 1639 | |
| 1640 | ppd = dd->pport + (port - 1); |
| 1641 | |
| 1642 | size = fm_get_table(ppd, FM_TBL_SC2VLNT, vp); |
| 1643 | |
| 1644 | if (resp_len) |
| 1645 | *resp_len += size; |
| 1646 | |
| 1647 | return reply((struct ib_mad_hdr *)smp); |
| 1648 | } |
| 1649 | |
| 1650 | static int __subn_set_opa_sc_to_vlnt(struct opa_smp *smp, u32 am, u8 *data, |
| 1651 | struct ib_device *ibdev, u8 port, |
| 1652 | u32 *resp_len) |
| 1653 | { |
| 1654 | u32 n_blocks = OPA_AM_NPORT(am); |
| 1655 | struct hfi1_devdata *dd = dd_from_ibdev(ibdev); |
| 1656 | struct hfi1_pportdata *ppd; |
| 1657 | void *vp = (void *) data; |
| 1658 | int lstate; |
| 1659 | |
| 1660 | if (n_blocks != 1) { |
| 1661 | smp->status |= IB_SMP_INVALID_FIELD; |
| 1662 | return reply((struct ib_mad_hdr *)smp); |
| 1663 | } |
| 1664 | |
| 1665 | /* IB numbers ports from 1, hw from 0 */ |
| 1666 | ppd = dd->pport + (port - 1); |
| 1667 | lstate = driver_lstate(ppd); |
| 1668 | if (lstate == IB_PORT_ARMED || lstate == IB_PORT_ACTIVE) { |
| 1669 | smp->status |= IB_SMP_INVALID_FIELD; |
| 1670 | return reply((struct ib_mad_hdr *)smp); |
| 1671 | } |
| 1672 | |
| 1673 | ppd = dd->pport + (port - 1); |
| 1674 | |
| 1675 | fm_set_table(ppd, FM_TBL_SC2VLNT, vp); |
| 1676 | |
| 1677 | return __subn_get_opa_sc_to_vlnt(smp, am, data, ibdev, port, |
| 1678 | resp_len); |
| 1679 | } |
| 1680 | |
| 1681 | static int __subn_get_opa_psi(struct opa_smp *smp, u32 am, u8 *data, |
| 1682 | struct ib_device *ibdev, u8 port, |
| 1683 | u32 *resp_len) |
| 1684 | { |
| 1685 | u32 nports = OPA_AM_NPORT(am); |
| 1686 | u32 start_of_sm_config = OPA_AM_START_SM_CFG(am); |
| 1687 | u32 lstate; |
| 1688 | struct hfi1_ibport *ibp; |
| 1689 | struct hfi1_pportdata *ppd; |
| 1690 | struct opa_port_state_info *psi = (struct opa_port_state_info *) data; |
| 1691 | |
| 1692 | if (nports != 1) { |
| 1693 | smp->status |= IB_SMP_INVALID_FIELD; |
| 1694 | return reply((struct ib_mad_hdr *)smp); |
| 1695 | } |
| 1696 | |
| 1697 | ibp = to_iport(ibdev, port); |
| 1698 | ppd = ppd_from_ibp(ibp); |
| 1699 | |
| 1700 | lstate = driver_lstate(ppd); |
| 1701 | |
| 1702 | if (start_of_sm_config && (lstate == IB_PORT_INIT)) |
| 1703 | ppd->is_sm_config_started = 1; |
| 1704 | |
| 1705 | #if PI_LED_ENABLE_SUP |
| 1706 | psi->port_states.ledenable_offlinereason = ppd->neighbor_normal << 4; |
| 1707 | psi->port_states.ledenable_offlinereason |= |
| 1708 | ppd->is_sm_config_started << 5; |
| 1709 | psi->port_states.ledenable_offlinereason |= |
| 1710 | ppd->offline_disabled_reason & OPA_PI_MASK_OFFLINE_REASON; |
| 1711 | #else |
| 1712 | psi->port_states.offline_reason = ppd->neighbor_normal << 4; |
| 1713 | psi->port_states.offline_reason |= ppd->is_sm_config_started << 5; |
| 1714 | psi->port_states.offline_reason |= ppd->offline_disabled_reason & |
| 1715 | OPA_PI_MASK_OFFLINE_REASON; |
| 1716 | #endif /* PI_LED_ENABLE_SUP */ |
| 1717 | |
| 1718 | psi->port_states.portphysstate_portstate = |
| 1719 | (hfi1_ibphys_portstate(ppd) << 4) | (lstate & 0xf); |
| 1720 | psi->link_width_downgrade_tx_active = |
Ira Weiny | aadfc3b | 2015-09-09 01:28:21 -0400 | [diff] [blame] | 1721 | cpu_to_be16(ppd->link_width_downgrade_tx_active); |
Mike Marciniszyn | 7724105 | 2015-07-30 15:17:43 -0400 | [diff] [blame] | 1722 | psi->link_width_downgrade_rx_active = |
Ira Weiny | aadfc3b | 2015-09-09 01:28:21 -0400 | [diff] [blame] | 1723 | cpu_to_be16(ppd->link_width_downgrade_rx_active); |
Mike Marciniszyn | 7724105 | 2015-07-30 15:17:43 -0400 | [diff] [blame] | 1724 | if (resp_len) |
| 1725 | *resp_len += sizeof(struct opa_port_state_info); |
| 1726 | |
| 1727 | return reply((struct ib_mad_hdr *)smp); |
| 1728 | } |
| 1729 | |
| 1730 | static int __subn_set_opa_psi(struct opa_smp *smp, u32 am, u8 *data, |
| 1731 | struct ib_device *ibdev, u8 port, |
| 1732 | u32 *resp_len) |
| 1733 | { |
| 1734 | u32 nports = OPA_AM_NPORT(am); |
| 1735 | u32 start_of_sm_config = OPA_AM_START_SM_CFG(am); |
| 1736 | u32 ls_old; |
| 1737 | u8 ls_new, ps_new; |
| 1738 | struct hfi1_ibport *ibp; |
| 1739 | struct hfi1_pportdata *ppd; |
| 1740 | struct opa_port_state_info *psi = (struct opa_port_state_info *) data; |
| 1741 | int ret, invalid = 0; |
| 1742 | |
| 1743 | if (nports != 1) { |
| 1744 | smp->status |= IB_SMP_INVALID_FIELD; |
| 1745 | return reply((struct ib_mad_hdr *)smp); |
| 1746 | } |
| 1747 | |
| 1748 | ibp = to_iport(ibdev, port); |
| 1749 | ppd = ppd_from_ibp(ibp); |
| 1750 | |
| 1751 | ls_old = driver_lstate(ppd); |
| 1752 | |
| 1753 | ls_new = port_states_to_logical_state(&psi->port_states); |
| 1754 | ps_new = port_states_to_phys_state(&psi->port_states); |
| 1755 | |
| 1756 | if (ls_old == IB_PORT_INIT) { |
| 1757 | if (start_of_sm_config) { |
| 1758 | if (ls_new == ls_old || (ls_new == IB_PORT_ARMED)) |
| 1759 | ppd->is_sm_config_started = 1; |
| 1760 | } else if (ls_new == IB_PORT_ARMED) { |
| 1761 | if (ppd->is_sm_config_started == 0) |
| 1762 | invalid = 1; |
| 1763 | } |
| 1764 | } |
| 1765 | |
| 1766 | ret = set_port_states(ppd, smp, ls_new, ps_new, invalid); |
| 1767 | if (ret) |
| 1768 | return ret; |
| 1769 | |
| 1770 | if (invalid) |
| 1771 | smp->status |= IB_SMP_INVALID_FIELD; |
| 1772 | |
| 1773 | return __subn_get_opa_psi(smp, am, data, ibdev, port, resp_len); |
| 1774 | } |
| 1775 | |
| 1776 | static int __subn_get_opa_cable_info(struct opa_smp *smp, u32 am, u8 *data, |
| 1777 | struct ib_device *ibdev, u8 port, |
| 1778 | u32 *resp_len) |
| 1779 | { |
| 1780 | struct hfi1_devdata *dd = dd_from_ibdev(ibdev); |
| 1781 | u32 addr = OPA_AM_CI_ADDR(am); |
| 1782 | u32 len = OPA_AM_CI_LEN(am) + 1; |
| 1783 | int ret; |
| 1784 | |
jubin.john@intel.com | 349ac71 | 2016-01-11 18:30:52 -0500 | [diff] [blame] | 1785 | #define __CI_PAGE_SIZE BIT(7) /* 128 bytes */ |
Mike Marciniszyn | 7724105 | 2015-07-30 15:17:43 -0400 | [diff] [blame] | 1786 | #define __CI_PAGE_MASK ~(__CI_PAGE_SIZE - 1) |
| 1787 | #define __CI_PAGE_NUM(a) ((a) & __CI_PAGE_MASK) |
| 1788 | |
| 1789 | /* check that addr is within spec, and |
| 1790 | * addr and (addr + len - 1) are on the same "page" */ |
| 1791 | if (addr >= 4096 || |
| 1792 | (__CI_PAGE_NUM(addr) != __CI_PAGE_NUM(addr + len - 1))) { |
| 1793 | smp->status |= IB_SMP_INVALID_FIELD; |
| 1794 | return reply((struct ib_mad_hdr *)smp); |
| 1795 | } |
| 1796 | |
| 1797 | ret = get_cable_info(dd, port, addr, len, data); |
| 1798 | |
| 1799 | if (ret == -ENODEV) { |
| 1800 | smp->status |= IB_SMP_UNSUP_METH_ATTR; |
| 1801 | return reply((struct ib_mad_hdr *)smp); |
| 1802 | } |
| 1803 | |
| 1804 | /* The address range for the CableInfo SMA query is wider than the |
| 1805 | * memory available on the QSFP cable. We want to return a valid |
| 1806 | * response, albeit zeroed out, for address ranges beyond available |
| 1807 | * memory but that are within the CableInfo query spec |
| 1808 | */ |
| 1809 | if (ret < 0 && ret != -ERANGE) { |
| 1810 | smp->status |= IB_SMP_INVALID_FIELD; |
| 1811 | return reply((struct ib_mad_hdr *)smp); |
| 1812 | } |
| 1813 | |
| 1814 | if (resp_len) |
| 1815 | *resp_len += len; |
| 1816 | |
| 1817 | return reply((struct ib_mad_hdr *)smp); |
| 1818 | } |
| 1819 | |
| 1820 | static int __subn_get_opa_bct(struct opa_smp *smp, u32 am, u8 *data, |
| 1821 | struct ib_device *ibdev, u8 port, u32 *resp_len) |
| 1822 | { |
| 1823 | u32 num_ports = OPA_AM_NPORT(am); |
| 1824 | struct hfi1_devdata *dd = dd_from_ibdev(ibdev); |
| 1825 | struct hfi1_pportdata *ppd; |
| 1826 | struct buffer_control *p = (struct buffer_control *) data; |
| 1827 | int size; |
| 1828 | |
| 1829 | if (num_ports != 1) { |
| 1830 | smp->status |= IB_SMP_INVALID_FIELD; |
| 1831 | return reply((struct ib_mad_hdr *)smp); |
| 1832 | } |
| 1833 | |
| 1834 | ppd = dd->pport + (port - 1); |
| 1835 | size = fm_get_table(ppd, FM_TBL_BUFFER_CONTROL, p); |
| 1836 | trace_bct_get(dd, p); |
| 1837 | if (resp_len) |
| 1838 | *resp_len += size; |
| 1839 | |
| 1840 | return reply((struct ib_mad_hdr *)smp); |
| 1841 | } |
| 1842 | |
| 1843 | static int __subn_set_opa_bct(struct opa_smp *smp, u32 am, u8 *data, |
| 1844 | struct ib_device *ibdev, u8 port, u32 *resp_len) |
| 1845 | { |
| 1846 | u32 num_ports = OPA_AM_NPORT(am); |
| 1847 | struct hfi1_devdata *dd = dd_from_ibdev(ibdev); |
| 1848 | struct hfi1_pportdata *ppd; |
| 1849 | struct buffer_control *p = (struct buffer_control *) data; |
| 1850 | |
| 1851 | if (num_ports != 1) { |
| 1852 | smp->status |= IB_SMP_INVALID_FIELD; |
| 1853 | return reply((struct ib_mad_hdr *)smp); |
| 1854 | } |
| 1855 | ppd = dd->pport + (port - 1); |
| 1856 | trace_bct_set(dd, p); |
| 1857 | if (fm_set_table(ppd, FM_TBL_BUFFER_CONTROL, p) < 0) { |
| 1858 | smp->status |= IB_SMP_INVALID_FIELD; |
| 1859 | return reply((struct ib_mad_hdr *)smp); |
| 1860 | } |
| 1861 | |
| 1862 | return __subn_get_opa_bct(smp, am, data, ibdev, port, resp_len); |
| 1863 | } |
| 1864 | |
| 1865 | static int __subn_get_opa_vl_arb(struct opa_smp *smp, u32 am, u8 *data, |
| 1866 | struct ib_device *ibdev, u8 port, |
| 1867 | u32 *resp_len) |
| 1868 | { |
| 1869 | struct hfi1_pportdata *ppd = ppd_from_ibp(to_iport(ibdev, port)); |
| 1870 | u32 num_ports = OPA_AM_NPORT(am); |
| 1871 | u8 section = (am & 0x00ff0000) >> 16; |
| 1872 | u8 *p = data; |
| 1873 | int size = 0; |
| 1874 | |
| 1875 | if (num_ports != 1) { |
| 1876 | smp->status |= IB_SMP_INVALID_FIELD; |
| 1877 | return reply((struct ib_mad_hdr *)smp); |
| 1878 | } |
| 1879 | |
| 1880 | switch (section) { |
| 1881 | case OPA_VLARB_LOW_ELEMENTS: |
| 1882 | size = fm_get_table(ppd, FM_TBL_VL_LOW_ARB, p); |
| 1883 | break; |
| 1884 | case OPA_VLARB_HIGH_ELEMENTS: |
| 1885 | size = fm_get_table(ppd, FM_TBL_VL_HIGH_ARB, p); |
| 1886 | break; |
| 1887 | case OPA_VLARB_PREEMPT_ELEMENTS: |
| 1888 | size = fm_get_table(ppd, FM_TBL_VL_PREEMPT_ELEMS, p); |
| 1889 | break; |
| 1890 | case OPA_VLARB_PREEMPT_MATRIX: |
| 1891 | size = fm_get_table(ppd, FM_TBL_VL_PREEMPT_MATRIX, p); |
| 1892 | break; |
| 1893 | default: |
| 1894 | pr_warn("OPA SubnGet(VL Arb) AM Invalid : 0x%x\n", |
| 1895 | be32_to_cpu(smp->attr_mod)); |
| 1896 | smp->status |= IB_SMP_INVALID_FIELD; |
| 1897 | break; |
| 1898 | } |
| 1899 | |
| 1900 | if (size > 0 && resp_len) |
| 1901 | *resp_len += size; |
| 1902 | |
| 1903 | return reply((struct ib_mad_hdr *)smp); |
| 1904 | } |
| 1905 | |
| 1906 | static int __subn_set_opa_vl_arb(struct opa_smp *smp, u32 am, u8 *data, |
| 1907 | struct ib_device *ibdev, u8 port, |
| 1908 | u32 *resp_len) |
| 1909 | { |
| 1910 | struct hfi1_pportdata *ppd = ppd_from_ibp(to_iport(ibdev, port)); |
| 1911 | u32 num_ports = OPA_AM_NPORT(am); |
| 1912 | u8 section = (am & 0x00ff0000) >> 16; |
| 1913 | u8 *p = data; |
| 1914 | |
| 1915 | if (num_ports != 1) { |
| 1916 | smp->status |= IB_SMP_INVALID_FIELD; |
| 1917 | return reply((struct ib_mad_hdr *)smp); |
| 1918 | } |
| 1919 | |
| 1920 | switch (section) { |
| 1921 | case OPA_VLARB_LOW_ELEMENTS: |
| 1922 | (void) fm_set_table(ppd, FM_TBL_VL_LOW_ARB, p); |
| 1923 | break; |
| 1924 | case OPA_VLARB_HIGH_ELEMENTS: |
| 1925 | (void) fm_set_table(ppd, FM_TBL_VL_HIGH_ARB, p); |
| 1926 | break; |
| 1927 | /* neither OPA_VLARB_PREEMPT_ELEMENTS, or OPA_VLARB_PREEMPT_MATRIX |
| 1928 | * can be changed from the default values */ |
| 1929 | case OPA_VLARB_PREEMPT_ELEMENTS: |
| 1930 | /* FALLTHROUGH */ |
| 1931 | case OPA_VLARB_PREEMPT_MATRIX: |
| 1932 | smp->status |= IB_SMP_UNSUP_METH_ATTR; |
| 1933 | break; |
| 1934 | default: |
| 1935 | pr_warn("OPA SubnSet(VL Arb) AM Invalid : 0x%x\n", |
| 1936 | be32_to_cpu(smp->attr_mod)); |
| 1937 | smp->status |= IB_SMP_INVALID_FIELD; |
| 1938 | break; |
| 1939 | } |
| 1940 | |
| 1941 | return __subn_get_opa_vl_arb(smp, am, data, ibdev, port, resp_len); |
| 1942 | } |
| 1943 | |
| 1944 | struct opa_pma_mad { |
| 1945 | struct ib_mad_hdr mad_hdr; |
| 1946 | u8 data[2024]; |
| 1947 | } __packed; |
| 1948 | |
| 1949 | struct opa_class_port_info { |
| 1950 | u8 base_version; |
| 1951 | u8 class_version; |
| 1952 | __be16 cap_mask; |
| 1953 | __be32 cap_mask2_resp_time; |
| 1954 | |
| 1955 | u8 redirect_gid[16]; |
| 1956 | __be32 redirect_tc_fl; |
| 1957 | __be32 redirect_lid; |
| 1958 | __be32 redirect_sl_qp; |
| 1959 | __be32 redirect_qkey; |
| 1960 | |
| 1961 | u8 trap_gid[16]; |
| 1962 | __be32 trap_tc_fl; |
| 1963 | __be32 trap_lid; |
| 1964 | __be32 trap_hl_qp; |
| 1965 | __be32 trap_qkey; |
| 1966 | |
| 1967 | __be16 trap_pkey; |
| 1968 | __be16 redirect_pkey; |
| 1969 | |
| 1970 | u8 trap_sl_rsvd; |
| 1971 | u8 reserved[3]; |
| 1972 | } __packed; |
| 1973 | |
| 1974 | struct opa_port_status_req { |
| 1975 | __u8 port_num; |
| 1976 | __u8 reserved[3]; |
| 1977 | __be32 vl_select_mask; |
| 1978 | }; |
| 1979 | |
| 1980 | #define VL_MASK_ALL 0x000080ff |
| 1981 | |
| 1982 | struct opa_port_status_rsp { |
| 1983 | __u8 port_num; |
| 1984 | __u8 reserved[3]; |
| 1985 | __be32 vl_select_mask; |
| 1986 | |
| 1987 | /* Data counters */ |
| 1988 | __be64 port_xmit_data; |
| 1989 | __be64 port_rcv_data; |
| 1990 | __be64 port_xmit_pkts; |
| 1991 | __be64 port_rcv_pkts; |
| 1992 | __be64 port_multicast_xmit_pkts; |
| 1993 | __be64 port_multicast_rcv_pkts; |
| 1994 | __be64 port_xmit_wait; |
| 1995 | __be64 sw_port_congestion; |
| 1996 | __be64 port_rcv_fecn; |
| 1997 | __be64 port_rcv_becn; |
| 1998 | __be64 port_xmit_time_cong; |
| 1999 | __be64 port_xmit_wasted_bw; |
| 2000 | __be64 port_xmit_wait_data; |
| 2001 | __be64 port_rcv_bubble; |
| 2002 | __be64 port_mark_fecn; |
| 2003 | /* Error counters */ |
| 2004 | __be64 port_rcv_constraint_errors; |
| 2005 | __be64 port_rcv_switch_relay_errors; |
| 2006 | __be64 port_xmit_discards; |
| 2007 | __be64 port_xmit_constraint_errors; |
| 2008 | __be64 port_rcv_remote_physical_errors; |
| 2009 | __be64 local_link_integrity_errors; |
| 2010 | __be64 port_rcv_errors; |
| 2011 | __be64 excessive_buffer_overruns; |
| 2012 | __be64 fm_config_errors; |
| 2013 | __be32 link_error_recovery; |
| 2014 | __be32 link_downed; |
| 2015 | u8 uncorrectable_errors; |
| 2016 | |
| 2017 | u8 link_quality_indicator; /* 5res, 3bit */ |
| 2018 | u8 res2[6]; |
| 2019 | struct _vls_pctrs { |
| 2020 | /* per-VL Data counters */ |
| 2021 | __be64 port_vl_xmit_data; |
| 2022 | __be64 port_vl_rcv_data; |
| 2023 | __be64 port_vl_xmit_pkts; |
| 2024 | __be64 port_vl_rcv_pkts; |
| 2025 | __be64 port_vl_xmit_wait; |
| 2026 | __be64 sw_port_vl_congestion; |
| 2027 | __be64 port_vl_rcv_fecn; |
| 2028 | __be64 port_vl_rcv_becn; |
| 2029 | __be64 port_xmit_time_cong; |
| 2030 | __be64 port_vl_xmit_wasted_bw; |
| 2031 | __be64 port_vl_xmit_wait_data; |
| 2032 | __be64 port_vl_rcv_bubble; |
| 2033 | __be64 port_vl_mark_fecn; |
| 2034 | __be64 port_vl_xmit_discards; |
| 2035 | } vls[0]; /* real array size defined by # bits set in vl_select_mask */ |
| 2036 | }; |
| 2037 | |
| 2038 | enum counter_selects { |
| 2039 | CS_PORT_XMIT_DATA = (1 << 31), |
| 2040 | CS_PORT_RCV_DATA = (1 << 30), |
| 2041 | CS_PORT_XMIT_PKTS = (1 << 29), |
| 2042 | CS_PORT_RCV_PKTS = (1 << 28), |
| 2043 | CS_PORT_MCAST_XMIT_PKTS = (1 << 27), |
| 2044 | CS_PORT_MCAST_RCV_PKTS = (1 << 26), |
| 2045 | CS_PORT_XMIT_WAIT = (1 << 25), |
| 2046 | CS_SW_PORT_CONGESTION = (1 << 24), |
| 2047 | CS_PORT_RCV_FECN = (1 << 23), |
| 2048 | CS_PORT_RCV_BECN = (1 << 22), |
| 2049 | CS_PORT_XMIT_TIME_CONG = (1 << 21), |
| 2050 | CS_PORT_XMIT_WASTED_BW = (1 << 20), |
| 2051 | CS_PORT_XMIT_WAIT_DATA = (1 << 19), |
| 2052 | CS_PORT_RCV_BUBBLE = (1 << 18), |
| 2053 | CS_PORT_MARK_FECN = (1 << 17), |
| 2054 | CS_PORT_RCV_CONSTRAINT_ERRORS = (1 << 16), |
| 2055 | CS_PORT_RCV_SWITCH_RELAY_ERRORS = (1 << 15), |
| 2056 | CS_PORT_XMIT_DISCARDS = (1 << 14), |
| 2057 | CS_PORT_XMIT_CONSTRAINT_ERRORS = (1 << 13), |
| 2058 | CS_PORT_RCV_REMOTE_PHYSICAL_ERRORS = (1 << 12), |
| 2059 | CS_LOCAL_LINK_INTEGRITY_ERRORS = (1 << 11), |
| 2060 | CS_PORT_RCV_ERRORS = (1 << 10), |
| 2061 | CS_EXCESSIVE_BUFFER_OVERRUNS = (1 << 9), |
| 2062 | CS_FM_CONFIG_ERRORS = (1 << 8), |
| 2063 | CS_LINK_ERROR_RECOVERY = (1 << 7), |
| 2064 | CS_LINK_DOWNED = (1 << 6), |
| 2065 | CS_UNCORRECTABLE_ERRORS = (1 << 5), |
| 2066 | }; |
| 2067 | |
| 2068 | struct opa_clear_port_status { |
| 2069 | __be64 port_select_mask[4]; |
| 2070 | __be32 counter_select_mask; |
| 2071 | }; |
| 2072 | |
| 2073 | struct opa_aggregate { |
| 2074 | __be16 attr_id; |
| 2075 | __be16 err_reqlength; /* 1 bit, 8 res, 7 bit */ |
| 2076 | __be32 attr_mod; |
| 2077 | u8 data[0]; |
| 2078 | }; |
| 2079 | |
Andrea Lowe | f085292 | 2015-12-01 15:38:26 -0500 | [diff] [blame] | 2080 | #define MSK_LLI 0x000000f0 |
| 2081 | #define MSK_LLI_SFT 4 |
| 2082 | #define MSK_LER 0x0000000f |
| 2083 | #define MSK_LER_SFT 0 |
| 2084 | #define ADD_LLI 8 |
| 2085 | #define ADD_LER 2 |
| 2086 | |
| 2087 | /* Request contains first three fields, response contains those plus the rest */ |
Mike Marciniszyn | 7724105 | 2015-07-30 15:17:43 -0400 | [diff] [blame] | 2088 | struct opa_port_data_counters_msg { |
| 2089 | __be64 port_select_mask[4]; |
| 2090 | __be32 vl_select_mask; |
Andrea Lowe | f085292 | 2015-12-01 15:38:26 -0500 | [diff] [blame] | 2091 | __be32 resolution; |
Mike Marciniszyn | 7724105 | 2015-07-30 15:17:43 -0400 | [diff] [blame] | 2092 | |
| 2093 | /* Response fields follow */ |
Mike Marciniszyn | 7724105 | 2015-07-30 15:17:43 -0400 | [diff] [blame] | 2094 | struct _port_dctrs { |
| 2095 | u8 port_number; |
| 2096 | u8 reserved2[3]; |
| 2097 | __be32 link_quality_indicator; /* 29res, 3bit */ |
| 2098 | |
| 2099 | /* Data counters */ |
| 2100 | __be64 port_xmit_data; |
| 2101 | __be64 port_rcv_data; |
| 2102 | __be64 port_xmit_pkts; |
| 2103 | __be64 port_rcv_pkts; |
| 2104 | __be64 port_multicast_xmit_pkts; |
| 2105 | __be64 port_multicast_rcv_pkts; |
| 2106 | __be64 port_xmit_wait; |
| 2107 | __be64 sw_port_congestion; |
| 2108 | __be64 port_rcv_fecn; |
| 2109 | __be64 port_rcv_becn; |
| 2110 | __be64 port_xmit_time_cong; |
| 2111 | __be64 port_xmit_wasted_bw; |
| 2112 | __be64 port_xmit_wait_data; |
| 2113 | __be64 port_rcv_bubble; |
| 2114 | __be64 port_mark_fecn; |
| 2115 | |
| 2116 | __be64 port_error_counter_summary; |
| 2117 | /* Sum of error counts/port */ |
| 2118 | |
| 2119 | struct _vls_dctrs { |
| 2120 | /* per-VL Data counters */ |
| 2121 | __be64 port_vl_xmit_data; |
| 2122 | __be64 port_vl_rcv_data; |
| 2123 | __be64 port_vl_xmit_pkts; |
| 2124 | __be64 port_vl_rcv_pkts; |
| 2125 | __be64 port_vl_xmit_wait; |
| 2126 | __be64 sw_port_vl_congestion; |
| 2127 | __be64 port_vl_rcv_fecn; |
| 2128 | __be64 port_vl_rcv_becn; |
| 2129 | __be64 port_xmit_time_cong; |
| 2130 | __be64 port_vl_xmit_wasted_bw; |
| 2131 | __be64 port_vl_xmit_wait_data; |
| 2132 | __be64 port_vl_rcv_bubble; |
| 2133 | __be64 port_vl_mark_fecn; |
| 2134 | } vls[0]; |
| 2135 | /* array size defined by #bits set in vl_select_mask*/ |
| 2136 | } port[1]; /* array size defined by #ports in attribute modifier */ |
| 2137 | }; |
| 2138 | |
| 2139 | struct opa_port_error_counters64_msg { |
| 2140 | /* Request contains first two fields, response contains the |
| 2141 | * whole magilla */ |
| 2142 | __be64 port_select_mask[4]; |
| 2143 | __be32 vl_select_mask; |
| 2144 | |
| 2145 | /* Response-only fields follow */ |
| 2146 | __be32 reserved1; |
| 2147 | struct _port_ectrs { |
| 2148 | u8 port_number; |
| 2149 | u8 reserved2[7]; |
| 2150 | __be64 port_rcv_constraint_errors; |
| 2151 | __be64 port_rcv_switch_relay_errors; |
| 2152 | __be64 port_xmit_discards; |
| 2153 | __be64 port_xmit_constraint_errors; |
| 2154 | __be64 port_rcv_remote_physical_errors; |
| 2155 | __be64 local_link_integrity_errors; |
| 2156 | __be64 port_rcv_errors; |
| 2157 | __be64 excessive_buffer_overruns; |
| 2158 | __be64 fm_config_errors; |
| 2159 | __be32 link_error_recovery; |
| 2160 | __be32 link_downed; |
| 2161 | u8 uncorrectable_errors; |
| 2162 | u8 reserved3[7]; |
| 2163 | struct _vls_ectrs { |
| 2164 | __be64 port_vl_xmit_discards; |
| 2165 | } vls[0]; |
| 2166 | /* array size defined by #bits set in vl_select_mask */ |
| 2167 | } port[1]; /* array size defined by #ports in attribute modifier */ |
| 2168 | }; |
| 2169 | |
| 2170 | struct opa_port_error_info_msg { |
| 2171 | __be64 port_select_mask[4]; |
| 2172 | __be32 error_info_select_mask; |
| 2173 | __be32 reserved1; |
| 2174 | struct _port_ei { |
| 2175 | |
| 2176 | u8 port_number; |
| 2177 | u8 reserved2[7]; |
| 2178 | |
| 2179 | /* PortRcvErrorInfo */ |
| 2180 | struct { |
| 2181 | u8 status_and_code; |
| 2182 | union { |
| 2183 | u8 raw[17]; |
| 2184 | struct { |
| 2185 | /* EI1to12 format */ |
| 2186 | u8 packet_flit1[8]; |
| 2187 | u8 packet_flit2[8]; |
| 2188 | u8 remaining_flit_bits12; |
| 2189 | } ei1to12; |
| 2190 | struct { |
| 2191 | u8 packet_bytes[8]; |
| 2192 | u8 remaining_flit_bits; |
| 2193 | } ei13; |
| 2194 | } ei; |
| 2195 | u8 reserved3[6]; |
| 2196 | } __packed port_rcv_ei; |
| 2197 | |
| 2198 | /* ExcessiveBufferOverrunInfo */ |
| 2199 | struct { |
| 2200 | u8 status_and_sc; |
| 2201 | u8 reserved4[7]; |
| 2202 | } __packed excessive_buffer_overrun_ei; |
| 2203 | |
| 2204 | /* PortXmitConstraintErrorInfo */ |
| 2205 | struct { |
| 2206 | u8 status; |
| 2207 | u8 reserved5; |
| 2208 | __be16 pkey; |
| 2209 | __be32 slid; |
| 2210 | } __packed port_xmit_constraint_ei; |
| 2211 | |
| 2212 | /* PortRcvConstraintErrorInfo */ |
| 2213 | struct { |
| 2214 | u8 status; |
| 2215 | u8 reserved6; |
| 2216 | __be16 pkey; |
| 2217 | __be32 slid; |
| 2218 | } __packed port_rcv_constraint_ei; |
| 2219 | |
| 2220 | /* PortRcvSwitchRelayErrorInfo */ |
| 2221 | struct { |
| 2222 | u8 status_and_code; |
| 2223 | u8 reserved7[3]; |
| 2224 | __u32 error_info; |
| 2225 | } __packed port_rcv_switch_relay_ei; |
| 2226 | |
| 2227 | /* UncorrectableErrorInfo */ |
| 2228 | struct { |
| 2229 | u8 status_and_code; |
| 2230 | u8 reserved8; |
| 2231 | } __packed uncorrectable_ei; |
| 2232 | |
| 2233 | /* FMConfigErrorInfo */ |
| 2234 | struct { |
| 2235 | u8 status_and_code; |
| 2236 | u8 error_info; |
| 2237 | } __packed fm_config_ei; |
| 2238 | __u32 reserved9; |
| 2239 | } port[1]; /* actual array size defined by #ports in attr modifier */ |
| 2240 | }; |
| 2241 | |
| 2242 | /* opa_port_error_info_msg error_info_select_mask bit definitions */ |
| 2243 | enum error_info_selects { |
| 2244 | ES_PORT_RCV_ERROR_INFO = (1 << 31), |
| 2245 | ES_EXCESSIVE_BUFFER_OVERRUN_INFO = (1 << 30), |
| 2246 | ES_PORT_XMIT_CONSTRAINT_ERROR_INFO = (1 << 29), |
| 2247 | ES_PORT_RCV_CONSTRAINT_ERROR_INFO = (1 << 28), |
| 2248 | ES_PORT_RCV_SWITCH_RELAY_ERROR_INFO = (1 << 27), |
| 2249 | ES_UNCORRECTABLE_ERROR_INFO = (1 << 26), |
| 2250 | ES_FM_CONFIG_ERROR_INFO = (1 << 25) |
| 2251 | }; |
| 2252 | |
| 2253 | static int pma_get_opa_classportinfo(struct opa_pma_mad *pmp, |
| 2254 | struct ib_device *ibdev, u32 *resp_len) |
| 2255 | { |
| 2256 | struct opa_class_port_info *p = |
| 2257 | (struct opa_class_port_info *)pmp->data; |
| 2258 | |
| 2259 | memset(pmp->data, 0, sizeof(pmp->data)); |
| 2260 | |
| 2261 | if (pmp->mad_hdr.attr_mod != 0) |
| 2262 | pmp->mad_hdr.status |= IB_SMP_INVALID_FIELD; |
| 2263 | |
| 2264 | p->base_version = OPA_MGMT_BASE_VERSION; |
| 2265 | p->class_version = OPA_SMI_CLASS_VERSION; |
| 2266 | /* |
| 2267 | * Expected response time is 4.096 usec. * 2^18 == 1.073741824 sec. |
| 2268 | */ |
| 2269 | p->cap_mask2_resp_time = cpu_to_be32(18); |
| 2270 | |
| 2271 | if (resp_len) |
| 2272 | *resp_len += sizeof(*p); |
| 2273 | |
| 2274 | return reply((struct ib_mad_hdr *)pmp); |
| 2275 | } |
| 2276 | |
| 2277 | static void a0_portstatus(struct hfi1_pportdata *ppd, |
| 2278 | struct opa_port_status_rsp *rsp, u32 vl_select_mask) |
| 2279 | { |
| 2280 | if (!is_bx(ppd->dd)) { |
| 2281 | unsigned long vl; |
Ira Weiny | f4ddedf | 2016-01-11 18:31:44 -0500 | [diff] [blame] | 2282 | u64 sum_vl_xmit_wait = 0; |
Mike Marciniszyn | 7724105 | 2015-07-30 15:17:43 -0400 | [diff] [blame] | 2283 | u32 vl_all_mask = VL_MASK_ALL; |
Mike Marciniszyn | 7724105 | 2015-07-30 15:17:43 -0400 | [diff] [blame] | 2284 | |
| 2285 | for_each_set_bit(vl, (unsigned long *)&(vl_all_mask), |
| 2286 | 8 * sizeof(vl_all_mask)) { |
Ira Weiny | f4ddedf | 2016-01-11 18:31:44 -0500 | [diff] [blame] | 2287 | u64 tmp = sum_vl_xmit_wait + |
| 2288 | read_port_cntr(ppd, C_TX_WAIT_VL, |
| 2289 | idx_from_vl(vl)); |
| 2290 | if (tmp < sum_vl_xmit_wait) { |
| 2291 | /* we wrapped */ |
| 2292 | sum_vl_xmit_wait = (u64)~0; |
| 2293 | break; |
| 2294 | } |
| 2295 | sum_vl_xmit_wait = tmp; |
Mike Marciniszyn | 7724105 | 2015-07-30 15:17:43 -0400 | [diff] [blame] | 2296 | } |
Ira Weiny | f4ddedf | 2016-01-11 18:31:44 -0500 | [diff] [blame] | 2297 | if (be64_to_cpu(rsp->port_xmit_wait) > sum_vl_xmit_wait) |
| 2298 | rsp->port_xmit_wait = cpu_to_be64(sum_vl_xmit_wait); |
Mike Marciniszyn | 7724105 | 2015-07-30 15:17:43 -0400 | [diff] [blame] | 2299 | } |
| 2300 | } |
| 2301 | |
| 2302 | |
| 2303 | static int pma_get_opa_portstatus(struct opa_pma_mad *pmp, |
| 2304 | struct ib_device *ibdev, u8 port, u32 *resp_len) |
| 2305 | { |
| 2306 | struct opa_port_status_req *req = |
| 2307 | (struct opa_port_status_req *)pmp->data; |
| 2308 | struct hfi1_devdata *dd = dd_from_ibdev(ibdev); |
| 2309 | struct opa_port_status_rsp *rsp; |
| 2310 | u32 vl_select_mask = be32_to_cpu(req->vl_select_mask); |
| 2311 | unsigned long vl; |
| 2312 | size_t response_data_size; |
| 2313 | u32 nports = be32_to_cpu(pmp->mad_hdr.attr_mod) >> 24; |
| 2314 | u8 port_num = req->port_num; |
| 2315 | u8 num_vls = hweight32(vl_select_mask); |
| 2316 | struct _vls_pctrs *vlinfo; |
| 2317 | struct hfi1_ibport *ibp = to_iport(ibdev, port); |
| 2318 | struct hfi1_pportdata *ppd = ppd_from_ibp(ibp); |
| 2319 | int vfi; |
| 2320 | u64 tmp, tmp2; |
| 2321 | |
| 2322 | response_data_size = sizeof(struct opa_port_status_rsp) + |
| 2323 | num_vls * sizeof(struct _vls_pctrs); |
| 2324 | if (response_data_size > sizeof(pmp->data)) { |
| 2325 | pmp->mad_hdr.status |= OPA_PM_STATUS_REQUEST_TOO_LARGE; |
| 2326 | return reply((struct ib_mad_hdr *)pmp); |
| 2327 | } |
| 2328 | |
| 2329 | if (nports != 1 || (port_num && port_num != port) |
| 2330 | || num_vls > OPA_MAX_VLS || (vl_select_mask & ~VL_MASK_ALL)) { |
| 2331 | pmp->mad_hdr.status |= IB_SMP_INVALID_FIELD; |
| 2332 | return reply((struct ib_mad_hdr *)pmp); |
| 2333 | } |
| 2334 | |
| 2335 | memset(pmp->data, 0, sizeof(pmp->data)); |
| 2336 | |
| 2337 | rsp = (struct opa_port_status_rsp *)pmp->data; |
| 2338 | if (port_num) |
| 2339 | rsp->port_num = port_num; |
| 2340 | else |
| 2341 | rsp->port_num = port; |
| 2342 | |
| 2343 | rsp->port_rcv_constraint_errors = |
| 2344 | cpu_to_be64(read_port_cntr(ppd, C_SW_RCV_CSTR_ERR, |
| 2345 | CNTR_INVALID_VL)); |
| 2346 | |
| 2347 | hfi1_read_link_quality(dd, &rsp->link_quality_indicator); |
| 2348 | |
| 2349 | rsp->vl_select_mask = cpu_to_be32(vl_select_mask); |
| 2350 | rsp->port_xmit_data = cpu_to_be64(read_dev_cntr(dd, C_DC_XMIT_FLITS, |
| 2351 | CNTR_INVALID_VL)); |
| 2352 | rsp->port_rcv_data = cpu_to_be64(read_dev_cntr(dd, C_DC_RCV_FLITS, |
| 2353 | CNTR_INVALID_VL)); |
Mike Marciniszyn | 7724105 | 2015-07-30 15:17:43 -0400 | [diff] [blame] | 2354 | rsp->port_xmit_pkts = cpu_to_be64(read_dev_cntr(dd, C_DC_XMIT_PKTS, |
| 2355 | CNTR_INVALID_VL)); |
| 2356 | rsp->port_rcv_pkts = cpu_to_be64(read_dev_cntr(dd, C_DC_RCV_PKTS, |
| 2357 | CNTR_INVALID_VL)); |
| 2358 | rsp->port_multicast_xmit_pkts = |
| 2359 | cpu_to_be64(read_dev_cntr(dd, C_DC_MC_XMIT_PKTS, |
| 2360 | CNTR_INVALID_VL)); |
| 2361 | rsp->port_multicast_rcv_pkts = |
| 2362 | cpu_to_be64(read_dev_cntr(dd, C_DC_MC_RCV_PKTS, |
| 2363 | CNTR_INVALID_VL)); |
| 2364 | rsp->port_xmit_wait = |
| 2365 | cpu_to_be64(read_port_cntr(ppd, C_TX_WAIT, CNTR_INVALID_VL)); |
| 2366 | rsp->port_rcv_fecn = |
| 2367 | cpu_to_be64(read_dev_cntr(dd, C_DC_RCV_FCN, CNTR_INVALID_VL)); |
| 2368 | rsp->port_rcv_becn = |
| 2369 | cpu_to_be64(read_dev_cntr(dd, C_DC_RCV_BCN, CNTR_INVALID_VL)); |
| 2370 | rsp->port_xmit_discards = |
| 2371 | cpu_to_be64(read_port_cntr(ppd, C_SW_XMIT_DSCD, |
| 2372 | CNTR_INVALID_VL)); |
| 2373 | rsp->port_xmit_constraint_errors = |
| 2374 | cpu_to_be64(read_port_cntr(ppd, C_SW_XMIT_CSTR_ERR, |
| 2375 | CNTR_INVALID_VL)); |
| 2376 | rsp->port_rcv_remote_physical_errors = |
| 2377 | cpu_to_be64(read_dev_cntr(dd, C_DC_RMT_PHY_ERR, |
| 2378 | CNTR_INVALID_VL)); |
| 2379 | tmp = read_dev_cntr(dd, C_DC_RX_REPLAY, CNTR_INVALID_VL); |
| 2380 | tmp2 = tmp + read_dev_cntr(dd, C_DC_TX_REPLAY, CNTR_INVALID_VL); |
| 2381 | if (tmp2 < tmp) { |
| 2382 | /* overflow/wrapped */ |
| 2383 | rsp->local_link_integrity_errors = cpu_to_be64(~0); |
| 2384 | } else { |
| 2385 | rsp->local_link_integrity_errors = cpu_to_be64(tmp2); |
| 2386 | } |
| 2387 | tmp = read_dev_cntr(dd, C_DC_SEQ_CRC_CNT, CNTR_INVALID_VL); |
| 2388 | tmp2 = tmp + read_dev_cntr(dd, C_DC_REINIT_FROM_PEER_CNT, |
| 2389 | CNTR_INVALID_VL); |
| 2390 | if (tmp2 > (u32)UINT_MAX || tmp2 < tmp) { |
| 2391 | /* overflow/wrapped */ |
| 2392 | rsp->link_error_recovery = cpu_to_be32(~0); |
| 2393 | } else { |
| 2394 | rsp->link_error_recovery = cpu_to_be32(tmp2); |
| 2395 | } |
| 2396 | rsp->port_rcv_errors = |
| 2397 | cpu_to_be64(read_dev_cntr(dd, C_DC_RCV_ERR, CNTR_INVALID_VL)); |
| 2398 | rsp->excessive_buffer_overruns = |
| 2399 | cpu_to_be64(read_dev_cntr(dd, C_RCV_OVF, CNTR_INVALID_VL)); |
| 2400 | rsp->fm_config_errors = |
| 2401 | cpu_to_be64(read_dev_cntr(dd, C_DC_FM_CFG_ERR, |
| 2402 | CNTR_INVALID_VL)); |
| 2403 | rsp->link_downed = cpu_to_be32(read_port_cntr(ppd, C_SW_LINK_DOWN, |
| 2404 | CNTR_INVALID_VL)); |
| 2405 | |
| 2406 | /* rsp->uncorrectable_errors is 8 bits wide, and it pegs at 0xff */ |
| 2407 | tmp = read_dev_cntr(dd, C_DC_UNC_ERR, CNTR_INVALID_VL); |
| 2408 | rsp->uncorrectable_errors = tmp < 0x100 ? (tmp & 0xff) : 0xff; |
| 2409 | |
| 2410 | vlinfo = &(rsp->vls[0]); |
| 2411 | vfi = 0; |
| 2412 | /* The vl_select_mask has been checked above, and we know |
| 2413 | * that it contains only entries which represent valid VLs. |
| 2414 | * So in the for_each_set_bit() loop below, we don't need |
| 2415 | * any additional checks for vl. |
| 2416 | */ |
| 2417 | for_each_set_bit(vl, (unsigned long *)&(vl_select_mask), |
| 2418 | 8 * sizeof(vl_select_mask)) { |
| 2419 | memset(vlinfo, 0, sizeof(*vlinfo)); |
| 2420 | |
| 2421 | tmp = read_dev_cntr(dd, C_DC_RX_FLIT_VL, idx_from_vl(vl)); |
| 2422 | rsp->vls[vfi].port_vl_rcv_data = cpu_to_be64(tmp); |
Mike Marciniszyn | 7724105 | 2015-07-30 15:17:43 -0400 | [diff] [blame] | 2423 | |
| 2424 | rsp->vls[vfi].port_vl_rcv_pkts = |
| 2425 | cpu_to_be64(read_dev_cntr(dd, C_DC_RX_PKT_VL, |
| 2426 | idx_from_vl(vl))); |
| 2427 | |
| 2428 | rsp->vls[vfi].port_vl_xmit_data = |
| 2429 | cpu_to_be64(read_port_cntr(ppd, C_TX_FLIT_VL, |
| 2430 | idx_from_vl(vl))); |
| 2431 | |
| 2432 | rsp->vls[vfi].port_vl_xmit_pkts = |
| 2433 | cpu_to_be64(read_port_cntr(ppd, C_TX_PKT_VL, |
| 2434 | idx_from_vl(vl))); |
| 2435 | |
| 2436 | rsp->vls[vfi].port_vl_xmit_wait = |
| 2437 | cpu_to_be64(read_port_cntr(ppd, C_TX_WAIT_VL, |
| 2438 | idx_from_vl(vl))); |
| 2439 | |
| 2440 | rsp->vls[vfi].port_vl_rcv_fecn = |
| 2441 | cpu_to_be64(read_dev_cntr(dd, C_DC_RCV_FCN_VL, |
| 2442 | idx_from_vl(vl))); |
| 2443 | |
| 2444 | rsp->vls[vfi].port_vl_rcv_becn = |
| 2445 | cpu_to_be64(read_dev_cntr(dd, C_DC_RCV_BCN_VL, |
| 2446 | idx_from_vl(vl))); |
| 2447 | |
| 2448 | vlinfo++; |
| 2449 | vfi++; |
| 2450 | } |
| 2451 | |
| 2452 | a0_portstatus(ppd, rsp, vl_select_mask); |
| 2453 | |
| 2454 | if (resp_len) |
| 2455 | *resp_len += response_data_size; |
| 2456 | |
| 2457 | return reply((struct ib_mad_hdr *)pmp); |
| 2458 | } |
| 2459 | |
Andrea Lowe | f085292 | 2015-12-01 15:38:26 -0500 | [diff] [blame] | 2460 | static u64 get_error_counter_summary(struct ib_device *ibdev, u8 port, |
| 2461 | u8 res_lli, u8 res_ler) |
Mike Marciniszyn | 7724105 | 2015-07-30 15:17:43 -0400 | [diff] [blame] | 2462 | { |
| 2463 | struct hfi1_devdata *dd = dd_from_ibdev(ibdev); |
| 2464 | struct hfi1_ibport *ibp = to_iport(ibdev, port); |
| 2465 | struct hfi1_pportdata *ppd = ppd_from_ibp(ibp); |
| 2466 | u64 error_counter_summary = 0, tmp; |
| 2467 | |
| 2468 | error_counter_summary += read_port_cntr(ppd, C_SW_RCV_CSTR_ERR, |
| 2469 | CNTR_INVALID_VL); |
| 2470 | /* port_rcv_switch_relay_errors is 0 for HFIs */ |
| 2471 | error_counter_summary += read_port_cntr(ppd, C_SW_XMIT_DSCD, |
| 2472 | CNTR_INVALID_VL); |
| 2473 | error_counter_summary += read_port_cntr(ppd, C_SW_XMIT_CSTR_ERR, |
| 2474 | CNTR_INVALID_VL); |
| 2475 | error_counter_summary += read_dev_cntr(dd, C_DC_RMT_PHY_ERR, |
| 2476 | CNTR_INVALID_VL); |
Andrea Lowe | f085292 | 2015-12-01 15:38:26 -0500 | [diff] [blame] | 2477 | /* local link integrity must be right-shifted by the lli resolution */ |
| 2478 | tmp = read_dev_cntr(dd, C_DC_RX_REPLAY, CNTR_INVALID_VL); |
| 2479 | tmp += read_dev_cntr(dd, C_DC_TX_REPLAY, CNTR_INVALID_VL); |
| 2480 | error_counter_summary += (tmp >> res_lli); |
| 2481 | /* link error recovery must b right-shifted by the ler resolution */ |
| 2482 | tmp = read_dev_cntr(dd, C_DC_SEQ_CRC_CNT, CNTR_INVALID_VL); |
| 2483 | tmp += read_dev_cntr(dd, C_DC_REINIT_FROM_PEER_CNT, CNTR_INVALID_VL); |
| 2484 | error_counter_summary += (tmp >> res_ler); |
Mike Marciniszyn | 7724105 | 2015-07-30 15:17:43 -0400 | [diff] [blame] | 2485 | error_counter_summary += read_dev_cntr(dd, C_DC_RCV_ERR, |
| 2486 | CNTR_INVALID_VL); |
| 2487 | error_counter_summary += read_dev_cntr(dd, C_RCV_OVF, CNTR_INVALID_VL); |
| 2488 | error_counter_summary += read_dev_cntr(dd, C_DC_FM_CFG_ERR, |
| 2489 | CNTR_INVALID_VL); |
| 2490 | /* ppd->link_downed is a 32-bit value */ |
| 2491 | error_counter_summary += read_port_cntr(ppd, C_SW_LINK_DOWN, |
| 2492 | CNTR_INVALID_VL); |
| 2493 | tmp = read_dev_cntr(dd, C_DC_UNC_ERR, CNTR_INVALID_VL); |
| 2494 | /* this is an 8-bit quantity */ |
| 2495 | error_counter_summary += tmp < 0x100 ? (tmp & 0xff) : 0xff; |
| 2496 | |
| 2497 | return error_counter_summary; |
| 2498 | } |
| 2499 | |
Ira Weiny | f4ddedf | 2016-01-11 18:31:44 -0500 | [diff] [blame] | 2500 | static void a0_datacounters(struct hfi1_pportdata *ppd, struct _port_dctrs *rsp, |
Mike Marciniszyn | 7724105 | 2015-07-30 15:17:43 -0400 | [diff] [blame] | 2501 | u32 vl_select_mask) |
| 2502 | { |
Ira Weiny | f4ddedf | 2016-01-11 18:31:44 -0500 | [diff] [blame] | 2503 | if (!is_bx(ppd->dd)) { |
Mike Marciniszyn | 7724105 | 2015-07-30 15:17:43 -0400 | [diff] [blame] | 2504 | unsigned long vl; |
Ira Weiny | db00a05 | 2015-11-16 21:59:26 -0500 | [diff] [blame] | 2505 | u64 sum_vl_xmit_wait = 0; |
Ira Weiny | f4ddedf | 2016-01-11 18:31:44 -0500 | [diff] [blame] | 2506 | u32 vl_all_mask = VL_MASK_ALL; |
Mike Marciniszyn | 7724105 | 2015-07-30 15:17:43 -0400 | [diff] [blame] | 2507 | |
Ira Weiny | f4ddedf | 2016-01-11 18:31:44 -0500 | [diff] [blame] | 2508 | for_each_set_bit(vl, (unsigned long *)&(vl_all_mask), |
| 2509 | 8 * sizeof(vl_all_mask)) { |
Mike Marciniszyn | 7724105 | 2015-07-30 15:17:43 -0400 | [diff] [blame] | 2510 | u64 tmp = sum_vl_xmit_wait + |
Ira Weiny | f4ddedf | 2016-01-11 18:31:44 -0500 | [diff] [blame] | 2511 | read_port_cntr(ppd, C_TX_WAIT_VL, |
| 2512 | idx_from_vl(vl)); |
Mike Marciniszyn | 7724105 | 2015-07-30 15:17:43 -0400 | [diff] [blame] | 2513 | if (tmp < sum_vl_xmit_wait) { |
| 2514 | /* we wrapped */ |
| 2515 | sum_vl_xmit_wait = (u64) ~0; |
| 2516 | break; |
| 2517 | } |
| 2518 | sum_vl_xmit_wait = tmp; |
| 2519 | } |
| 2520 | if (be64_to_cpu(rsp->port_xmit_wait) > sum_vl_xmit_wait) |
| 2521 | rsp->port_xmit_wait = cpu_to_be64(sum_vl_xmit_wait); |
| 2522 | } |
| 2523 | } |
| 2524 | |
| 2525 | static int pma_get_opa_datacounters(struct opa_pma_mad *pmp, |
| 2526 | struct ib_device *ibdev, u8 port, u32 *resp_len) |
| 2527 | { |
| 2528 | struct opa_port_data_counters_msg *req = |
| 2529 | (struct opa_port_data_counters_msg *)pmp->data; |
| 2530 | struct hfi1_devdata *dd = dd_from_ibdev(ibdev); |
| 2531 | struct hfi1_ibport *ibp = to_iport(ibdev, port); |
| 2532 | struct hfi1_pportdata *ppd = ppd_from_ibp(ibp); |
| 2533 | struct _port_dctrs *rsp; |
| 2534 | struct _vls_dctrs *vlinfo; |
| 2535 | size_t response_data_size; |
| 2536 | u32 num_ports; |
| 2537 | u8 num_pslm; |
| 2538 | u8 lq, num_vls; |
Andrea Lowe | f085292 | 2015-12-01 15:38:26 -0500 | [diff] [blame] | 2539 | u8 res_lli, res_ler; |
Mike Marciniszyn | 7724105 | 2015-07-30 15:17:43 -0400 | [diff] [blame] | 2540 | u64 port_mask; |
| 2541 | unsigned long port_num; |
| 2542 | unsigned long vl; |
| 2543 | u32 vl_select_mask; |
| 2544 | int vfi; |
| 2545 | |
| 2546 | num_ports = be32_to_cpu(pmp->mad_hdr.attr_mod) >> 24; |
| 2547 | num_pslm = hweight64(be64_to_cpu(req->port_select_mask[3])); |
| 2548 | num_vls = hweight32(be32_to_cpu(req->vl_select_mask)); |
| 2549 | vl_select_mask = be32_to_cpu(req->vl_select_mask); |
Andrea Lowe | f085292 | 2015-12-01 15:38:26 -0500 | [diff] [blame] | 2550 | res_lli = (u8)(be32_to_cpu(req->resolution) & MSK_LLI) >> MSK_LLI_SFT; |
| 2551 | res_lli = res_lli ? res_lli + ADD_LLI : 0; |
| 2552 | res_ler = (u8)(be32_to_cpu(req->resolution) & MSK_LER) >> MSK_LER_SFT; |
| 2553 | res_ler = res_ler ? res_ler + ADD_LER : 0; |
Mike Marciniszyn | 7724105 | 2015-07-30 15:17:43 -0400 | [diff] [blame] | 2554 | |
| 2555 | if (num_ports != 1 || (vl_select_mask & ~VL_MASK_ALL)) { |
| 2556 | pmp->mad_hdr.status |= IB_SMP_INVALID_FIELD; |
| 2557 | return reply((struct ib_mad_hdr *)pmp); |
| 2558 | } |
| 2559 | |
| 2560 | /* Sanity check */ |
| 2561 | response_data_size = sizeof(struct opa_port_data_counters_msg) + |
| 2562 | num_vls * sizeof(struct _vls_dctrs); |
| 2563 | |
| 2564 | if (response_data_size > sizeof(pmp->data)) { |
| 2565 | pmp->mad_hdr.status |= IB_SMP_INVALID_FIELD; |
| 2566 | return reply((struct ib_mad_hdr *)pmp); |
| 2567 | } |
| 2568 | |
| 2569 | /* |
| 2570 | * The bit set in the mask needs to be consistent with the |
| 2571 | * port the request came in on. |
| 2572 | */ |
| 2573 | port_mask = be64_to_cpu(req->port_select_mask[3]); |
| 2574 | port_num = find_first_bit((unsigned long *)&port_mask, |
| 2575 | sizeof(port_mask)); |
| 2576 | |
| 2577 | if ((u8)port_num != port) { |
| 2578 | pmp->mad_hdr.status |= IB_SMP_INVALID_FIELD; |
| 2579 | return reply((struct ib_mad_hdr *)pmp); |
| 2580 | } |
| 2581 | |
| 2582 | rsp = (struct _port_dctrs *)&(req->port[0]); |
| 2583 | memset(rsp, 0, sizeof(*rsp)); |
| 2584 | |
| 2585 | rsp->port_number = port; |
| 2586 | /* |
| 2587 | * Note that link_quality_indicator is a 32 bit quantity in |
| 2588 | * 'datacounters' queries (as opposed to 'portinfo' queries, |
| 2589 | * where it's a byte). |
| 2590 | */ |
| 2591 | hfi1_read_link_quality(dd, &lq); |
| 2592 | rsp->link_quality_indicator = cpu_to_be32((u32)lq); |
| 2593 | |
| 2594 | /* rsp->sw_port_congestion is 0 for HFIs */ |
| 2595 | /* rsp->port_xmit_time_cong is 0 for HFIs */ |
| 2596 | /* rsp->port_xmit_wasted_bw ??? */ |
| 2597 | /* rsp->port_xmit_wait_data ??? */ |
| 2598 | /* rsp->port_mark_fecn is 0 for HFIs */ |
| 2599 | |
| 2600 | rsp->port_xmit_data = cpu_to_be64(read_dev_cntr(dd, C_DC_XMIT_FLITS, |
| 2601 | CNTR_INVALID_VL)); |
| 2602 | rsp->port_rcv_data = cpu_to_be64(read_dev_cntr(dd, C_DC_RCV_FLITS, |
| 2603 | CNTR_INVALID_VL)); |
Mike Marciniszyn | 7724105 | 2015-07-30 15:17:43 -0400 | [diff] [blame] | 2604 | rsp->port_xmit_pkts = cpu_to_be64(read_dev_cntr(dd, C_DC_XMIT_PKTS, |
| 2605 | CNTR_INVALID_VL)); |
| 2606 | rsp->port_rcv_pkts = cpu_to_be64(read_dev_cntr(dd, C_DC_RCV_PKTS, |
| 2607 | CNTR_INVALID_VL)); |
| 2608 | rsp->port_multicast_xmit_pkts = |
| 2609 | cpu_to_be64(read_dev_cntr(dd, C_DC_MC_XMIT_PKTS, |
| 2610 | CNTR_INVALID_VL)); |
| 2611 | rsp->port_multicast_rcv_pkts = |
| 2612 | cpu_to_be64(read_dev_cntr(dd, C_DC_MC_RCV_PKTS, |
| 2613 | CNTR_INVALID_VL)); |
| 2614 | rsp->port_xmit_wait = |
| 2615 | cpu_to_be64(read_port_cntr(ppd, C_TX_WAIT, CNTR_INVALID_VL)); |
| 2616 | rsp->port_rcv_fecn = |
| 2617 | cpu_to_be64(read_dev_cntr(dd, C_DC_RCV_FCN, CNTR_INVALID_VL)); |
| 2618 | rsp->port_rcv_becn = |
| 2619 | cpu_to_be64(read_dev_cntr(dd, C_DC_RCV_BCN, CNTR_INVALID_VL)); |
| 2620 | |
| 2621 | rsp->port_error_counter_summary = |
Andrea Lowe | f085292 | 2015-12-01 15:38:26 -0500 | [diff] [blame] | 2622 | cpu_to_be64(get_error_counter_summary(ibdev, port, |
| 2623 | res_lli, res_ler)); |
Mike Marciniszyn | 7724105 | 2015-07-30 15:17:43 -0400 | [diff] [blame] | 2624 | |
| 2625 | vlinfo = &(rsp->vls[0]); |
| 2626 | vfi = 0; |
| 2627 | /* The vl_select_mask has been checked above, and we know |
| 2628 | * that it contains only entries which represent valid VLs. |
| 2629 | * So in the for_each_set_bit() loop below, we don't need |
| 2630 | * any additional checks for vl. |
| 2631 | */ |
| 2632 | for_each_set_bit(vl, (unsigned long *)&(vl_select_mask), |
| 2633 | 8 * sizeof(req->vl_select_mask)) { |
| 2634 | memset(vlinfo, 0, sizeof(*vlinfo)); |
| 2635 | |
| 2636 | rsp->vls[vfi].port_vl_xmit_data = |
| 2637 | cpu_to_be64(read_port_cntr(ppd, C_TX_FLIT_VL, |
| 2638 | idx_from_vl(vl))); |
| 2639 | |
| 2640 | rsp->vls[vfi].port_vl_rcv_data = |
| 2641 | cpu_to_be64(read_dev_cntr(dd, C_DC_RX_FLIT_VL, |
| 2642 | idx_from_vl(vl))); |
Mike Marciniszyn | 7724105 | 2015-07-30 15:17:43 -0400 | [diff] [blame] | 2643 | |
| 2644 | rsp->vls[vfi].port_vl_xmit_pkts = |
| 2645 | cpu_to_be64(read_port_cntr(ppd, C_TX_PKT_VL, |
| 2646 | idx_from_vl(vl))); |
| 2647 | |
| 2648 | rsp->vls[vfi].port_vl_rcv_pkts = |
| 2649 | cpu_to_be64(read_dev_cntr(dd, C_DC_RX_PKT_VL, |
| 2650 | idx_from_vl(vl))); |
| 2651 | |
| 2652 | rsp->vls[vfi].port_vl_xmit_wait = |
| 2653 | cpu_to_be64(read_port_cntr(ppd, C_TX_WAIT_VL, |
| 2654 | idx_from_vl(vl))); |
| 2655 | |
| 2656 | rsp->vls[vfi].port_vl_rcv_fecn = |
| 2657 | cpu_to_be64(read_dev_cntr(dd, C_DC_RCV_FCN_VL, |
| 2658 | idx_from_vl(vl))); |
| 2659 | rsp->vls[vfi].port_vl_rcv_becn = |
| 2660 | cpu_to_be64(read_dev_cntr(dd, C_DC_RCV_BCN_VL, |
| 2661 | idx_from_vl(vl))); |
| 2662 | |
| 2663 | /* rsp->port_vl_xmit_time_cong is 0 for HFIs */ |
| 2664 | /* rsp->port_vl_xmit_wasted_bw ??? */ |
| 2665 | /* port_vl_xmit_wait_data - TXE (table 13-9 HFI spec) ??? |
| 2666 | * does this differ from rsp->vls[vfi].port_vl_xmit_wait */ |
| 2667 | /*rsp->vls[vfi].port_vl_mark_fecn = |
| 2668 | cpu_to_be64(read_csr(dd, DCC_PRF_PORT_VL_MARK_FECN_CNT |
| 2669 | + offset)); |
| 2670 | */ |
| 2671 | vlinfo++; |
| 2672 | vfi++; |
| 2673 | } |
| 2674 | |
Ira Weiny | f4ddedf | 2016-01-11 18:31:44 -0500 | [diff] [blame] | 2675 | a0_datacounters(ppd, rsp, vl_select_mask); |
Mike Marciniszyn | 7724105 | 2015-07-30 15:17:43 -0400 | [diff] [blame] | 2676 | |
| 2677 | if (resp_len) |
| 2678 | *resp_len += response_data_size; |
| 2679 | |
| 2680 | return reply((struct ib_mad_hdr *)pmp); |
| 2681 | } |
| 2682 | |
| 2683 | static int pma_get_opa_porterrors(struct opa_pma_mad *pmp, |
| 2684 | struct ib_device *ibdev, u8 port, u32 *resp_len) |
| 2685 | { |
| 2686 | size_t response_data_size; |
| 2687 | struct _port_ectrs *rsp; |
| 2688 | unsigned long port_num; |
| 2689 | struct opa_port_error_counters64_msg *req; |
| 2690 | struct hfi1_devdata *dd = dd_from_ibdev(ibdev); |
| 2691 | u32 num_ports; |
| 2692 | u8 num_pslm; |
| 2693 | u8 num_vls; |
| 2694 | struct hfi1_ibport *ibp; |
| 2695 | struct hfi1_pportdata *ppd; |
| 2696 | struct _vls_ectrs *vlinfo; |
| 2697 | unsigned long vl; |
| 2698 | u64 port_mask, tmp, tmp2; |
| 2699 | u32 vl_select_mask; |
| 2700 | int vfi; |
| 2701 | |
| 2702 | req = (struct opa_port_error_counters64_msg *)pmp->data; |
| 2703 | |
| 2704 | num_ports = be32_to_cpu(pmp->mad_hdr.attr_mod) >> 24; |
| 2705 | |
| 2706 | num_pslm = hweight64(be64_to_cpu(req->port_select_mask[3])); |
| 2707 | num_vls = hweight32(be32_to_cpu(req->vl_select_mask)); |
| 2708 | |
| 2709 | if (num_ports != 1 || num_ports != num_pslm) { |
| 2710 | pmp->mad_hdr.status |= IB_SMP_INVALID_FIELD; |
| 2711 | return reply((struct ib_mad_hdr *)pmp); |
| 2712 | } |
| 2713 | |
| 2714 | response_data_size = sizeof(struct opa_port_error_counters64_msg) + |
| 2715 | num_vls * sizeof(struct _vls_ectrs); |
| 2716 | |
| 2717 | if (response_data_size > sizeof(pmp->data)) { |
| 2718 | pmp->mad_hdr.status |= IB_SMP_INVALID_FIELD; |
| 2719 | return reply((struct ib_mad_hdr *)pmp); |
| 2720 | } |
| 2721 | /* |
| 2722 | * The bit set in the mask needs to be consistent with the |
| 2723 | * port the request came in on. |
| 2724 | */ |
| 2725 | port_mask = be64_to_cpu(req->port_select_mask[3]); |
| 2726 | port_num = find_first_bit((unsigned long *)&port_mask, |
| 2727 | sizeof(port_mask)); |
| 2728 | |
| 2729 | if ((u8)port_num != port) { |
| 2730 | pmp->mad_hdr.status |= IB_SMP_INVALID_FIELD; |
| 2731 | return reply((struct ib_mad_hdr *)pmp); |
| 2732 | } |
| 2733 | |
| 2734 | rsp = (struct _port_ectrs *)&(req->port[0]); |
| 2735 | |
| 2736 | ibp = to_iport(ibdev, port_num); |
| 2737 | ppd = ppd_from_ibp(ibp); |
| 2738 | |
| 2739 | memset(rsp, 0, sizeof(*rsp)); |
| 2740 | rsp->port_number = (u8)port_num; |
| 2741 | |
| 2742 | rsp->port_rcv_constraint_errors = |
| 2743 | cpu_to_be64(read_port_cntr(ppd, C_SW_RCV_CSTR_ERR, |
| 2744 | CNTR_INVALID_VL)); |
| 2745 | /* port_rcv_switch_relay_errors is 0 for HFIs */ |
| 2746 | rsp->port_xmit_discards = |
| 2747 | cpu_to_be64(read_port_cntr(ppd, C_SW_XMIT_DSCD, |
| 2748 | CNTR_INVALID_VL)); |
| 2749 | rsp->port_rcv_remote_physical_errors = |
| 2750 | cpu_to_be64(read_dev_cntr(dd, C_DC_RMT_PHY_ERR, |
| 2751 | CNTR_INVALID_VL)); |
| 2752 | tmp = read_dev_cntr(dd, C_DC_RX_REPLAY, CNTR_INVALID_VL); |
| 2753 | tmp2 = tmp + read_dev_cntr(dd, C_DC_TX_REPLAY, CNTR_INVALID_VL); |
| 2754 | if (tmp2 < tmp) { |
| 2755 | /* overflow/wrapped */ |
| 2756 | rsp->local_link_integrity_errors = cpu_to_be64(~0); |
| 2757 | } else { |
| 2758 | rsp->local_link_integrity_errors = cpu_to_be64(tmp2); |
| 2759 | } |
| 2760 | tmp = read_dev_cntr(dd, C_DC_SEQ_CRC_CNT, CNTR_INVALID_VL); |
| 2761 | tmp2 = tmp + read_dev_cntr(dd, C_DC_REINIT_FROM_PEER_CNT, |
| 2762 | CNTR_INVALID_VL); |
| 2763 | if (tmp2 > (u32)UINT_MAX || tmp2 < tmp) { |
| 2764 | /* overflow/wrapped */ |
| 2765 | rsp->link_error_recovery = cpu_to_be32(~0); |
| 2766 | } else { |
| 2767 | rsp->link_error_recovery = cpu_to_be32(tmp2); |
| 2768 | } |
| 2769 | rsp->port_xmit_constraint_errors = |
| 2770 | cpu_to_be64(read_port_cntr(ppd, C_SW_XMIT_CSTR_ERR, |
| 2771 | CNTR_INVALID_VL)); |
| 2772 | rsp->excessive_buffer_overruns = |
| 2773 | cpu_to_be64(read_dev_cntr(dd, C_RCV_OVF, CNTR_INVALID_VL)); |
| 2774 | rsp->fm_config_errors = |
| 2775 | cpu_to_be64(read_dev_cntr(dd, C_DC_FM_CFG_ERR, |
| 2776 | CNTR_INVALID_VL)); |
| 2777 | rsp->link_downed = cpu_to_be32(read_port_cntr(ppd, C_SW_LINK_DOWN, |
| 2778 | CNTR_INVALID_VL)); |
| 2779 | tmp = read_dev_cntr(dd, C_DC_UNC_ERR, CNTR_INVALID_VL); |
| 2780 | rsp->uncorrectable_errors = tmp < 0x100 ? (tmp & 0xff) : 0xff; |
| 2781 | |
| 2782 | vlinfo = (struct _vls_ectrs *)&(rsp->vls[0]); |
| 2783 | vfi = 0; |
| 2784 | vl_select_mask = be32_to_cpu(req->vl_select_mask); |
| 2785 | for_each_set_bit(vl, (unsigned long *)&(vl_select_mask), |
| 2786 | 8 * sizeof(req->vl_select_mask)) { |
| 2787 | memset(vlinfo, 0, sizeof(*vlinfo)); |
| 2788 | /* vlinfo->vls[vfi].port_vl_xmit_discards ??? */ |
| 2789 | vlinfo += 1; |
| 2790 | vfi++; |
| 2791 | } |
| 2792 | |
| 2793 | if (resp_len) |
| 2794 | *resp_len += response_data_size; |
| 2795 | |
| 2796 | return reply((struct ib_mad_hdr *)pmp); |
| 2797 | } |
| 2798 | |
| 2799 | static int pma_get_opa_errorinfo(struct opa_pma_mad *pmp, |
| 2800 | struct ib_device *ibdev, u8 port, u32 *resp_len) |
| 2801 | { |
| 2802 | size_t response_data_size; |
| 2803 | struct _port_ei *rsp; |
| 2804 | struct opa_port_error_info_msg *req; |
| 2805 | struct hfi1_devdata *dd = dd_from_ibdev(ibdev); |
| 2806 | u64 port_mask; |
| 2807 | u32 num_ports; |
| 2808 | unsigned long port_num; |
| 2809 | u8 num_pslm; |
| 2810 | u64 reg; |
| 2811 | |
| 2812 | req = (struct opa_port_error_info_msg *)pmp->data; |
| 2813 | rsp = (struct _port_ei *)&(req->port[0]); |
| 2814 | |
| 2815 | num_ports = OPA_AM_NPORT(be32_to_cpu(pmp->mad_hdr.attr_mod)); |
| 2816 | num_pslm = hweight64(be64_to_cpu(req->port_select_mask[3])); |
| 2817 | |
| 2818 | memset(rsp, 0, sizeof(*rsp)); |
| 2819 | |
| 2820 | if (num_ports != 1 || num_ports != num_pslm) { |
| 2821 | pmp->mad_hdr.status |= IB_SMP_INVALID_FIELD; |
| 2822 | return reply((struct ib_mad_hdr *)pmp); |
| 2823 | } |
| 2824 | |
| 2825 | /* Sanity check */ |
| 2826 | response_data_size = sizeof(struct opa_port_error_info_msg); |
| 2827 | |
| 2828 | if (response_data_size > sizeof(pmp->data)) { |
| 2829 | pmp->mad_hdr.status |= IB_SMP_INVALID_FIELD; |
| 2830 | return reply((struct ib_mad_hdr *)pmp); |
| 2831 | } |
| 2832 | |
| 2833 | /* |
| 2834 | * The bit set in the mask needs to be consistent with the port |
| 2835 | * the request came in on. |
| 2836 | */ |
| 2837 | port_mask = be64_to_cpu(req->port_select_mask[3]); |
| 2838 | port_num = find_first_bit((unsigned long *)&port_mask, |
| 2839 | sizeof(port_mask)); |
| 2840 | |
| 2841 | if ((u8)port_num != port) { |
| 2842 | pmp->mad_hdr.status |= IB_SMP_INVALID_FIELD; |
| 2843 | return reply((struct ib_mad_hdr *)pmp); |
| 2844 | } |
| 2845 | |
| 2846 | /* PortRcvErrorInfo */ |
| 2847 | rsp->port_rcv_ei.status_and_code = |
| 2848 | dd->err_info_rcvport.status_and_code; |
| 2849 | memcpy(&rsp->port_rcv_ei.ei.ei1to12.packet_flit1, |
| 2850 | &dd->err_info_rcvport.packet_flit1, sizeof(u64)); |
| 2851 | memcpy(&rsp->port_rcv_ei.ei.ei1to12.packet_flit2, |
| 2852 | &dd->err_info_rcvport.packet_flit2, sizeof(u64)); |
| 2853 | |
| 2854 | /* ExcessiverBufferOverrunInfo */ |
| 2855 | reg = read_csr(dd, RCV_ERR_INFO); |
| 2856 | if (reg & RCV_ERR_INFO_RCV_EXCESS_BUFFER_OVERRUN_SMASK) { |
| 2857 | /* if the RcvExcessBufferOverrun bit is set, save SC of |
| 2858 | * first pkt that encountered an excess buffer overrun */ |
| 2859 | u8 tmp = (u8)reg; |
| 2860 | |
| 2861 | tmp &= RCV_ERR_INFO_RCV_EXCESS_BUFFER_OVERRUN_SC_SMASK; |
| 2862 | tmp <<= 2; |
| 2863 | rsp->excessive_buffer_overrun_ei.status_and_sc = tmp; |
| 2864 | /* set the status bit */ |
| 2865 | rsp->excessive_buffer_overrun_ei.status_and_sc |= 0x80; |
| 2866 | } |
| 2867 | |
| 2868 | rsp->port_xmit_constraint_ei.status = |
| 2869 | dd->err_info_xmit_constraint.status; |
| 2870 | rsp->port_xmit_constraint_ei.pkey = |
| 2871 | cpu_to_be16(dd->err_info_xmit_constraint.pkey); |
| 2872 | rsp->port_xmit_constraint_ei.slid = |
| 2873 | cpu_to_be32(dd->err_info_xmit_constraint.slid); |
| 2874 | |
| 2875 | rsp->port_rcv_constraint_ei.status = |
| 2876 | dd->err_info_rcv_constraint.status; |
| 2877 | rsp->port_rcv_constraint_ei.pkey = |
| 2878 | cpu_to_be16(dd->err_info_rcv_constraint.pkey); |
| 2879 | rsp->port_rcv_constraint_ei.slid = |
| 2880 | cpu_to_be32(dd->err_info_rcv_constraint.slid); |
| 2881 | |
| 2882 | /* UncorrectableErrorInfo */ |
| 2883 | rsp->uncorrectable_ei.status_and_code = dd->err_info_uncorrectable; |
| 2884 | |
| 2885 | /* FMConfigErrorInfo */ |
| 2886 | rsp->fm_config_ei.status_and_code = dd->err_info_fmconfig; |
| 2887 | |
| 2888 | if (resp_len) |
| 2889 | *resp_len += response_data_size; |
| 2890 | |
| 2891 | return reply((struct ib_mad_hdr *)pmp); |
| 2892 | } |
| 2893 | |
| 2894 | static int pma_set_opa_portstatus(struct opa_pma_mad *pmp, |
| 2895 | struct ib_device *ibdev, u8 port, u32 *resp_len) |
| 2896 | { |
| 2897 | struct opa_clear_port_status *req = |
| 2898 | (struct opa_clear_port_status *)pmp->data; |
| 2899 | struct hfi1_devdata *dd = dd_from_ibdev(ibdev); |
| 2900 | struct hfi1_ibport *ibp = to_iport(ibdev, port); |
| 2901 | struct hfi1_pportdata *ppd = ppd_from_ibp(ibp); |
| 2902 | u32 nports = be32_to_cpu(pmp->mad_hdr.attr_mod) >> 24; |
| 2903 | u64 portn = be64_to_cpu(req->port_select_mask[3]); |
| 2904 | u32 counter_select = be32_to_cpu(req->counter_select_mask); |
| 2905 | u32 vl_select_mask = VL_MASK_ALL; /* clear all per-vl cnts */ |
| 2906 | unsigned long vl; |
| 2907 | |
| 2908 | if ((nports != 1) || (portn != 1 << port)) { |
| 2909 | pmp->mad_hdr.status |= IB_SMP_INVALID_FIELD; |
| 2910 | return reply((struct ib_mad_hdr *)pmp); |
| 2911 | } |
| 2912 | /* |
| 2913 | * only counters returned by pma_get_opa_portstatus() are |
| 2914 | * handled, so when pma_get_opa_portstatus() gets a fix, |
| 2915 | * the corresponding change should be made here as well. |
| 2916 | */ |
| 2917 | |
| 2918 | if (counter_select & CS_PORT_XMIT_DATA) |
| 2919 | write_dev_cntr(dd, C_DC_XMIT_FLITS, CNTR_INVALID_VL, 0); |
| 2920 | |
| 2921 | if (counter_select & CS_PORT_RCV_DATA) |
| 2922 | write_dev_cntr(dd, C_DC_RCV_FLITS, CNTR_INVALID_VL, 0); |
| 2923 | |
| 2924 | if (counter_select & CS_PORT_XMIT_PKTS) |
| 2925 | write_dev_cntr(dd, C_DC_XMIT_PKTS, CNTR_INVALID_VL, 0); |
| 2926 | |
| 2927 | if (counter_select & CS_PORT_RCV_PKTS) |
| 2928 | write_dev_cntr(dd, C_DC_RCV_PKTS, CNTR_INVALID_VL, 0); |
| 2929 | |
| 2930 | if (counter_select & CS_PORT_MCAST_XMIT_PKTS) |
| 2931 | write_dev_cntr(dd, C_DC_MC_XMIT_PKTS, CNTR_INVALID_VL, 0); |
| 2932 | |
| 2933 | if (counter_select & CS_PORT_MCAST_RCV_PKTS) |
| 2934 | write_dev_cntr(dd, C_DC_MC_RCV_PKTS, CNTR_INVALID_VL, 0); |
| 2935 | |
| 2936 | if (counter_select & CS_PORT_XMIT_WAIT) |
| 2937 | write_port_cntr(ppd, C_TX_WAIT, CNTR_INVALID_VL, 0); |
| 2938 | |
| 2939 | /* ignore cs_sw_portCongestion for HFIs */ |
| 2940 | |
| 2941 | if (counter_select & CS_PORT_RCV_FECN) |
| 2942 | write_dev_cntr(dd, C_DC_RCV_FCN, CNTR_INVALID_VL, 0); |
| 2943 | |
| 2944 | if (counter_select & CS_PORT_RCV_BECN) |
| 2945 | write_dev_cntr(dd, C_DC_RCV_BCN, CNTR_INVALID_VL, 0); |
| 2946 | |
| 2947 | /* ignore cs_port_xmit_time_cong for HFIs */ |
| 2948 | /* ignore cs_port_xmit_wasted_bw for now */ |
| 2949 | /* ignore cs_port_xmit_wait_data for now */ |
| 2950 | if (counter_select & CS_PORT_RCV_BUBBLE) |
| 2951 | write_dev_cntr(dd, C_DC_RCV_BBL, CNTR_INVALID_VL, 0); |
| 2952 | |
| 2953 | /* Only applicable for switch */ |
| 2954 | /*if (counter_select & CS_PORT_MARK_FECN) |
| 2955 | write_csr(dd, DCC_PRF_PORT_MARK_FECN_CNT, 0);*/ |
| 2956 | |
| 2957 | if (counter_select & CS_PORT_RCV_CONSTRAINT_ERRORS) |
| 2958 | write_port_cntr(ppd, C_SW_RCV_CSTR_ERR, CNTR_INVALID_VL, 0); |
| 2959 | |
| 2960 | /* ignore cs_port_rcv_switch_relay_errors for HFIs */ |
| 2961 | if (counter_select & CS_PORT_XMIT_DISCARDS) |
| 2962 | write_port_cntr(ppd, C_SW_XMIT_DSCD, CNTR_INVALID_VL, 0); |
| 2963 | |
| 2964 | if (counter_select & CS_PORT_XMIT_CONSTRAINT_ERRORS) |
| 2965 | write_port_cntr(ppd, C_SW_XMIT_CSTR_ERR, CNTR_INVALID_VL, 0); |
| 2966 | |
| 2967 | if (counter_select & CS_PORT_RCV_REMOTE_PHYSICAL_ERRORS) |
| 2968 | write_dev_cntr(dd, C_DC_RMT_PHY_ERR, CNTR_INVALID_VL, 0); |
| 2969 | |
| 2970 | if (counter_select & CS_LOCAL_LINK_INTEGRITY_ERRORS) { |
| 2971 | write_dev_cntr(dd, C_DC_TX_REPLAY, CNTR_INVALID_VL, 0); |
| 2972 | write_dev_cntr(dd, C_DC_RX_REPLAY, CNTR_INVALID_VL, 0); |
| 2973 | } |
| 2974 | |
| 2975 | if (counter_select & CS_LINK_ERROR_RECOVERY) { |
| 2976 | write_dev_cntr(dd, C_DC_SEQ_CRC_CNT, CNTR_INVALID_VL, 0); |
| 2977 | write_dev_cntr(dd, C_DC_REINIT_FROM_PEER_CNT, |
| 2978 | CNTR_INVALID_VL, 0); |
| 2979 | } |
| 2980 | |
| 2981 | if (counter_select & CS_PORT_RCV_ERRORS) |
| 2982 | write_dev_cntr(dd, C_DC_RCV_ERR, CNTR_INVALID_VL, 0); |
| 2983 | |
| 2984 | if (counter_select & CS_EXCESSIVE_BUFFER_OVERRUNS) { |
| 2985 | write_dev_cntr(dd, C_RCV_OVF, CNTR_INVALID_VL, 0); |
| 2986 | dd->rcv_ovfl_cnt = 0; |
| 2987 | } |
| 2988 | |
| 2989 | if (counter_select & CS_FM_CONFIG_ERRORS) |
| 2990 | write_dev_cntr(dd, C_DC_FM_CFG_ERR, CNTR_INVALID_VL, 0); |
| 2991 | |
| 2992 | if (counter_select & CS_LINK_DOWNED) |
| 2993 | write_port_cntr(ppd, C_SW_LINK_DOWN, CNTR_INVALID_VL, 0); |
| 2994 | |
| 2995 | if (counter_select & CS_UNCORRECTABLE_ERRORS) |
| 2996 | write_dev_cntr(dd, C_DC_UNC_ERR, CNTR_INVALID_VL, 0); |
| 2997 | |
| 2998 | for_each_set_bit(vl, (unsigned long *)&(vl_select_mask), |
| 2999 | 8 * sizeof(vl_select_mask)) { |
| 3000 | |
| 3001 | if (counter_select & CS_PORT_XMIT_DATA) |
| 3002 | write_port_cntr(ppd, C_TX_FLIT_VL, idx_from_vl(vl), 0); |
| 3003 | |
| 3004 | if (counter_select & CS_PORT_RCV_DATA) |
| 3005 | write_dev_cntr(dd, C_DC_RX_FLIT_VL, idx_from_vl(vl), 0); |
| 3006 | |
| 3007 | if (counter_select & CS_PORT_XMIT_PKTS) |
| 3008 | write_port_cntr(ppd, C_TX_PKT_VL, idx_from_vl(vl), 0); |
| 3009 | |
| 3010 | if (counter_select & CS_PORT_RCV_PKTS) |
| 3011 | write_dev_cntr(dd, C_DC_RX_PKT_VL, idx_from_vl(vl), 0); |
| 3012 | |
| 3013 | if (counter_select & CS_PORT_XMIT_WAIT) |
| 3014 | write_port_cntr(ppd, C_TX_WAIT_VL, idx_from_vl(vl), 0); |
| 3015 | |
| 3016 | /* sw_port_vl_congestion is 0 for HFIs */ |
| 3017 | if (counter_select & CS_PORT_RCV_FECN) |
| 3018 | write_dev_cntr(dd, C_DC_RCV_FCN_VL, idx_from_vl(vl), 0); |
| 3019 | |
| 3020 | if (counter_select & CS_PORT_RCV_BECN) |
| 3021 | write_dev_cntr(dd, C_DC_RCV_BCN_VL, idx_from_vl(vl), 0); |
| 3022 | |
| 3023 | /* port_vl_xmit_time_cong is 0 for HFIs */ |
| 3024 | /* port_vl_xmit_wasted_bw ??? */ |
| 3025 | /* port_vl_xmit_wait_data - TXE (table 13-9 HFI spec) ??? */ |
| 3026 | if (counter_select & CS_PORT_RCV_BUBBLE) |
| 3027 | write_dev_cntr(dd, C_DC_RCV_BBL_VL, idx_from_vl(vl), 0); |
| 3028 | |
| 3029 | /*if (counter_select & CS_PORT_MARK_FECN) |
| 3030 | write_csr(dd, DCC_PRF_PORT_VL_MARK_FECN_CNT + offset, 0); |
| 3031 | */ |
| 3032 | /* port_vl_xmit_discards ??? */ |
| 3033 | } |
| 3034 | |
| 3035 | if (resp_len) |
| 3036 | *resp_len += sizeof(*req); |
| 3037 | |
| 3038 | return reply((struct ib_mad_hdr *)pmp); |
| 3039 | } |
| 3040 | |
| 3041 | static int pma_set_opa_errorinfo(struct opa_pma_mad *pmp, |
| 3042 | struct ib_device *ibdev, u8 port, u32 *resp_len) |
| 3043 | { |
| 3044 | struct _port_ei *rsp; |
| 3045 | struct opa_port_error_info_msg *req; |
| 3046 | struct hfi1_devdata *dd = dd_from_ibdev(ibdev); |
| 3047 | u64 port_mask; |
| 3048 | u32 num_ports; |
| 3049 | unsigned long port_num; |
| 3050 | u8 num_pslm; |
| 3051 | u32 error_info_select; |
| 3052 | |
| 3053 | req = (struct opa_port_error_info_msg *)pmp->data; |
| 3054 | rsp = (struct _port_ei *)&(req->port[0]); |
| 3055 | |
| 3056 | num_ports = OPA_AM_NPORT(be32_to_cpu(pmp->mad_hdr.attr_mod)); |
| 3057 | num_pslm = hweight64(be64_to_cpu(req->port_select_mask[3])); |
| 3058 | |
| 3059 | memset(rsp, 0, sizeof(*rsp)); |
| 3060 | |
| 3061 | if (num_ports != 1 || num_ports != num_pslm) { |
| 3062 | pmp->mad_hdr.status |= IB_SMP_INVALID_FIELD; |
| 3063 | return reply((struct ib_mad_hdr *)pmp); |
| 3064 | } |
| 3065 | |
| 3066 | /* |
| 3067 | * The bit set in the mask needs to be consistent with the port |
| 3068 | * the request came in on. |
| 3069 | */ |
| 3070 | port_mask = be64_to_cpu(req->port_select_mask[3]); |
| 3071 | port_num = find_first_bit((unsigned long *)&port_mask, |
| 3072 | sizeof(port_mask)); |
| 3073 | |
| 3074 | if ((u8)port_num != port) { |
| 3075 | pmp->mad_hdr.status |= IB_SMP_INVALID_FIELD; |
| 3076 | return reply((struct ib_mad_hdr *)pmp); |
| 3077 | } |
| 3078 | |
| 3079 | error_info_select = be32_to_cpu(req->error_info_select_mask); |
| 3080 | |
| 3081 | /* PortRcvErrorInfo */ |
| 3082 | if (error_info_select & ES_PORT_RCV_ERROR_INFO) |
| 3083 | /* turn off status bit */ |
| 3084 | dd->err_info_rcvport.status_and_code &= ~OPA_EI_STATUS_SMASK; |
| 3085 | |
| 3086 | /* ExcessiverBufferOverrunInfo */ |
| 3087 | if (error_info_select & ES_EXCESSIVE_BUFFER_OVERRUN_INFO) |
| 3088 | /* status bit is essentially kept in the h/w - bit 5 of |
| 3089 | * RCV_ERR_INFO */ |
| 3090 | write_csr(dd, RCV_ERR_INFO, |
| 3091 | RCV_ERR_INFO_RCV_EXCESS_BUFFER_OVERRUN_SMASK); |
| 3092 | |
| 3093 | if (error_info_select & ES_PORT_XMIT_CONSTRAINT_ERROR_INFO) |
| 3094 | dd->err_info_xmit_constraint.status &= ~OPA_EI_STATUS_SMASK; |
| 3095 | |
| 3096 | if (error_info_select & ES_PORT_RCV_CONSTRAINT_ERROR_INFO) |
| 3097 | dd->err_info_rcv_constraint.status &= ~OPA_EI_STATUS_SMASK; |
| 3098 | |
| 3099 | /* UncorrectableErrorInfo */ |
| 3100 | if (error_info_select & ES_UNCORRECTABLE_ERROR_INFO) |
| 3101 | /* turn off status bit */ |
| 3102 | dd->err_info_uncorrectable &= ~OPA_EI_STATUS_SMASK; |
| 3103 | |
| 3104 | /* FMConfigErrorInfo */ |
| 3105 | if (error_info_select & ES_FM_CONFIG_ERROR_INFO) |
| 3106 | /* turn off status bit */ |
| 3107 | dd->err_info_fmconfig &= ~OPA_EI_STATUS_SMASK; |
| 3108 | |
| 3109 | if (resp_len) |
| 3110 | *resp_len += sizeof(*req); |
| 3111 | |
| 3112 | return reply((struct ib_mad_hdr *)pmp); |
| 3113 | } |
| 3114 | |
| 3115 | struct opa_congestion_info_attr { |
| 3116 | __be16 congestion_info; |
| 3117 | u8 control_table_cap; /* Multiple of 64 entry unit CCTs */ |
| 3118 | u8 congestion_log_length; |
| 3119 | } __packed; |
| 3120 | |
| 3121 | static int __subn_get_opa_cong_info(struct opa_smp *smp, u32 am, u8 *data, |
| 3122 | struct ib_device *ibdev, u8 port, |
| 3123 | u32 *resp_len) |
| 3124 | { |
| 3125 | struct opa_congestion_info_attr *p = |
| 3126 | (struct opa_congestion_info_attr *)data; |
| 3127 | struct hfi1_ibport *ibp = to_iport(ibdev, port); |
| 3128 | struct hfi1_pportdata *ppd = ppd_from_ibp(ibp); |
| 3129 | |
| 3130 | p->congestion_info = 0; |
| 3131 | p->control_table_cap = ppd->cc_max_table_entries; |
| 3132 | p->congestion_log_length = OPA_CONG_LOG_ELEMS; |
| 3133 | |
| 3134 | if (resp_len) |
| 3135 | *resp_len += sizeof(*p); |
| 3136 | |
| 3137 | return reply((struct ib_mad_hdr *)smp); |
| 3138 | } |
| 3139 | |
| 3140 | static int __subn_get_opa_cong_setting(struct opa_smp *smp, u32 am, |
| 3141 | u8 *data, |
| 3142 | struct ib_device *ibdev, |
| 3143 | u8 port, u32 *resp_len) |
| 3144 | { |
| 3145 | int i; |
| 3146 | struct opa_congestion_setting_attr *p = |
| 3147 | (struct opa_congestion_setting_attr *) data; |
| 3148 | struct hfi1_ibport *ibp = to_iport(ibdev, port); |
| 3149 | struct hfi1_pportdata *ppd = ppd_from_ibp(ibp); |
| 3150 | struct opa_congestion_setting_entry_shadow *entries; |
| 3151 | struct cc_state *cc_state; |
| 3152 | |
| 3153 | rcu_read_lock(); |
| 3154 | |
| 3155 | cc_state = get_cc_state(ppd); |
| 3156 | |
| 3157 | if (cc_state == NULL) { |
| 3158 | rcu_read_unlock(); |
| 3159 | return reply((struct ib_mad_hdr *)smp); |
| 3160 | } |
| 3161 | |
| 3162 | entries = cc_state->cong_setting.entries; |
| 3163 | p->port_control = cpu_to_be16(cc_state->cong_setting.port_control); |
| 3164 | p->control_map = cpu_to_be32(cc_state->cong_setting.control_map); |
| 3165 | for (i = 0; i < OPA_MAX_SLS; i++) { |
| 3166 | p->entries[i].ccti_increase = entries[i].ccti_increase; |
| 3167 | p->entries[i].ccti_timer = cpu_to_be16(entries[i].ccti_timer); |
| 3168 | p->entries[i].trigger_threshold = |
| 3169 | entries[i].trigger_threshold; |
| 3170 | p->entries[i].ccti_min = entries[i].ccti_min; |
| 3171 | } |
| 3172 | |
| 3173 | rcu_read_unlock(); |
| 3174 | |
| 3175 | if (resp_len) |
| 3176 | *resp_len += sizeof(*p); |
| 3177 | |
| 3178 | return reply((struct ib_mad_hdr *)smp); |
| 3179 | } |
| 3180 | |
| 3181 | static int __subn_set_opa_cong_setting(struct opa_smp *smp, u32 am, u8 *data, |
| 3182 | struct ib_device *ibdev, u8 port, |
| 3183 | u32 *resp_len) |
| 3184 | { |
| 3185 | struct opa_congestion_setting_attr *p = |
| 3186 | (struct opa_congestion_setting_attr *) data; |
| 3187 | struct hfi1_ibport *ibp = to_iport(ibdev, port); |
| 3188 | struct hfi1_pportdata *ppd = ppd_from_ibp(ibp); |
| 3189 | struct opa_congestion_setting_entry_shadow *entries; |
| 3190 | int i; |
| 3191 | |
| 3192 | ppd->cc_sl_control_map = be32_to_cpu(p->control_map); |
| 3193 | |
| 3194 | entries = ppd->congestion_entries; |
| 3195 | for (i = 0; i < OPA_MAX_SLS; i++) { |
| 3196 | entries[i].ccti_increase = p->entries[i].ccti_increase; |
| 3197 | entries[i].ccti_timer = be16_to_cpu(p->entries[i].ccti_timer); |
| 3198 | entries[i].trigger_threshold = |
| 3199 | p->entries[i].trigger_threshold; |
| 3200 | entries[i].ccti_min = p->entries[i].ccti_min; |
| 3201 | } |
| 3202 | |
| 3203 | return __subn_get_opa_cong_setting(smp, am, data, ibdev, port, |
| 3204 | resp_len); |
| 3205 | } |
| 3206 | |
| 3207 | static int __subn_get_opa_hfi1_cong_log(struct opa_smp *smp, u32 am, |
| 3208 | u8 *data, struct ib_device *ibdev, |
| 3209 | u8 port, u32 *resp_len) |
| 3210 | { |
| 3211 | struct hfi1_ibport *ibp = to_iport(ibdev, port); |
| 3212 | struct hfi1_pportdata *ppd = ppd_from_ibp(ibp); |
| 3213 | struct opa_hfi1_cong_log *cong_log = (struct opa_hfi1_cong_log *)data; |
| 3214 | s64 ts; |
| 3215 | int i; |
| 3216 | |
| 3217 | if (am != 0) { |
| 3218 | smp->status |= IB_SMP_INVALID_FIELD; |
| 3219 | return reply((struct ib_mad_hdr *)smp); |
| 3220 | } |
| 3221 | |
Dean Luick | b77d713 | 2015-10-26 10:28:43 -0400 | [diff] [blame] | 3222 | spin_lock_irq(&ppd->cc_log_lock); |
Mike Marciniszyn | 7724105 | 2015-07-30 15:17:43 -0400 | [diff] [blame] | 3223 | |
| 3224 | cong_log->log_type = OPA_CC_LOG_TYPE_HFI; |
| 3225 | cong_log->congestion_flags = 0; |
| 3226 | cong_log->threshold_event_counter = |
| 3227 | cpu_to_be16(ppd->threshold_event_counter); |
| 3228 | memcpy(cong_log->threshold_cong_event_map, |
| 3229 | ppd->threshold_cong_event_map, |
| 3230 | sizeof(cong_log->threshold_cong_event_map)); |
| 3231 | /* keep timestamp in units of 1.024 usec */ |
| 3232 | ts = ktime_to_ns(ktime_get()) / 1024; |
| 3233 | cong_log->current_time_stamp = cpu_to_be32(ts); |
| 3234 | for (i = 0; i < OPA_CONG_LOG_ELEMS; i++) { |
| 3235 | struct opa_hfi1_cong_log_event_internal *cce = |
| 3236 | &ppd->cc_events[ppd->cc_mad_idx++]; |
| 3237 | if (ppd->cc_mad_idx == OPA_CONG_LOG_ELEMS) |
| 3238 | ppd->cc_mad_idx = 0; |
| 3239 | /* |
| 3240 | * Entries which are older than twice the time |
| 3241 | * required to wrap the counter are supposed to |
| 3242 | * be zeroed (CA10-49 IBTA, release 1.2.1, V1). |
| 3243 | */ |
| 3244 | if ((u64)(ts - cce->timestamp) > (2 * UINT_MAX)) |
| 3245 | continue; |
| 3246 | memcpy(cong_log->events[i].local_qp_cn_entry, &cce->lqpn, 3); |
| 3247 | memcpy(cong_log->events[i].remote_qp_number_cn_entry, |
| 3248 | &cce->rqpn, 3); |
| 3249 | cong_log->events[i].sl_svc_type_cn_entry = |
| 3250 | ((cce->sl & 0x1f) << 3) | (cce->svc_type & 0x7); |
| 3251 | cong_log->events[i].remote_lid_cn_entry = |
| 3252 | cpu_to_be32(cce->rlid); |
| 3253 | cong_log->events[i].timestamp_cn_entry = |
| 3254 | cpu_to_be32(cce->timestamp); |
| 3255 | } |
| 3256 | |
| 3257 | /* |
| 3258 | * Reset threshold_cong_event_map, and threshold_event_counter |
| 3259 | * to 0 when log is read. |
| 3260 | */ |
| 3261 | memset(ppd->threshold_cong_event_map, 0x0, |
| 3262 | sizeof(ppd->threshold_cong_event_map)); |
| 3263 | ppd->threshold_event_counter = 0; |
| 3264 | |
Dean Luick | b77d713 | 2015-10-26 10:28:43 -0400 | [diff] [blame] | 3265 | spin_unlock_irq(&ppd->cc_log_lock); |
Mike Marciniszyn | 7724105 | 2015-07-30 15:17:43 -0400 | [diff] [blame] | 3266 | |
| 3267 | if (resp_len) |
| 3268 | *resp_len += sizeof(struct opa_hfi1_cong_log); |
| 3269 | |
| 3270 | return reply((struct ib_mad_hdr *)smp); |
| 3271 | } |
| 3272 | |
| 3273 | static int __subn_get_opa_cc_table(struct opa_smp *smp, u32 am, u8 *data, |
| 3274 | struct ib_device *ibdev, u8 port, |
| 3275 | u32 *resp_len) |
| 3276 | { |
| 3277 | struct ib_cc_table_attr *cc_table_attr = |
| 3278 | (struct ib_cc_table_attr *) data; |
| 3279 | struct hfi1_ibport *ibp = to_iport(ibdev, port); |
| 3280 | struct hfi1_pportdata *ppd = ppd_from_ibp(ibp); |
| 3281 | u32 start_block = OPA_AM_START_BLK(am); |
| 3282 | u32 n_blocks = OPA_AM_NBLK(am); |
| 3283 | struct ib_cc_table_entry_shadow *entries; |
| 3284 | int i, j; |
| 3285 | u32 sentry, eentry; |
| 3286 | struct cc_state *cc_state; |
| 3287 | |
| 3288 | /* sanity check n_blocks, start_block */ |
| 3289 | if (n_blocks == 0 || |
| 3290 | start_block + n_blocks > ppd->cc_max_table_entries) { |
| 3291 | smp->status |= IB_SMP_INVALID_FIELD; |
| 3292 | return reply((struct ib_mad_hdr *)smp); |
| 3293 | } |
| 3294 | |
| 3295 | rcu_read_lock(); |
| 3296 | |
| 3297 | cc_state = get_cc_state(ppd); |
| 3298 | |
| 3299 | if (cc_state == NULL) { |
| 3300 | rcu_read_unlock(); |
| 3301 | return reply((struct ib_mad_hdr *)smp); |
| 3302 | } |
| 3303 | |
| 3304 | sentry = start_block * IB_CCT_ENTRIES; |
| 3305 | eentry = sentry + (IB_CCT_ENTRIES * n_blocks); |
| 3306 | |
| 3307 | cc_table_attr->ccti_limit = cpu_to_be16(cc_state->cct.ccti_limit); |
| 3308 | |
| 3309 | entries = cc_state->cct.entries; |
| 3310 | |
| 3311 | /* return n_blocks, though the last block may not be full */ |
| 3312 | for (j = 0, i = sentry; i < eentry; j++, i++) |
| 3313 | cc_table_attr->ccti_entries[j].entry = |
| 3314 | cpu_to_be16(entries[i].entry); |
| 3315 | |
| 3316 | rcu_read_unlock(); |
| 3317 | |
| 3318 | if (resp_len) |
| 3319 | *resp_len += sizeof(u16)*(IB_CCT_ENTRIES * n_blocks + 1); |
| 3320 | |
| 3321 | return reply((struct ib_mad_hdr *)smp); |
| 3322 | } |
| 3323 | |
| 3324 | void cc_state_reclaim(struct rcu_head *rcu) |
| 3325 | { |
| 3326 | struct cc_state *cc_state = container_of(rcu, struct cc_state, rcu); |
| 3327 | |
| 3328 | kfree(cc_state); |
| 3329 | } |
| 3330 | |
| 3331 | static int __subn_set_opa_cc_table(struct opa_smp *smp, u32 am, u8 *data, |
| 3332 | struct ib_device *ibdev, u8 port, |
| 3333 | u32 *resp_len) |
| 3334 | { |
| 3335 | struct ib_cc_table_attr *p = (struct ib_cc_table_attr *) data; |
| 3336 | struct hfi1_ibport *ibp = to_iport(ibdev, port); |
| 3337 | struct hfi1_pportdata *ppd = ppd_from_ibp(ibp); |
| 3338 | u32 start_block = OPA_AM_START_BLK(am); |
| 3339 | u32 n_blocks = OPA_AM_NBLK(am); |
| 3340 | struct ib_cc_table_entry_shadow *entries; |
| 3341 | int i, j; |
| 3342 | u32 sentry, eentry; |
| 3343 | u16 ccti_limit; |
| 3344 | struct cc_state *old_cc_state, *new_cc_state; |
| 3345 | |
| 3346 | /* sanity check n_blocks, start_block */ |
| 3347 | if (n_blocks == 0 || |
| 3348 | start_block + n_blocks > ppd->cc_max_table_entries) { |
| 3349 | smp->status |= IB_SMP_INVALID_FIELD; |
| 3350 | return reply((struct ib_mad_hdr *)smp); |
| 3351 | } |
| 3352 | |
| 3353 | sentry = start_block * IB_CCT_ENTRIES; |
| 3354 | eentry = sentry + ((n_blocks - 1) * IB_CCT_ENTRIES) + |
| 3355 | (be16_to_cpu(p->ccti_limit)) % IB_CCT_ENTRIES + 1; |
| 3356 | |
| 3357 | /* sanity check ccti_limit */ |
| 3358 | ccti_limit = be16_to_cpu(p->ccti_limit); |
| 3359 | if (ccti_limit + 1 > eentry) { |
| 3360 | smp->status |= IB_SMP_INVALID_FIELD; |
| 3361 | return reply((struct ib_mad_hdr *)smp); |
| 3362 | } |
| 3363 | |
| 3364 | new_cc_state = kzalloc(sizeof(*new_cc_state), GFP_KERNEL); |
| 3365 | if (new_cc_state == NULL) |
| 3366 | goto getit; |
| 3367 | |
| 3368 | spin_lock(&ppd->cc_state_lock); |
| 3369 | |
| 3370 | old_cc_state = get_cc_state(ppd); |
| 3371 | |
| 3372 | if (old_cc_state == NULL) { |
| 3373 | spin_unlock(&ppd->cc_state_lock); |
| 3374 | kfree(new_cc_state); |
| 3375 | return reply((struct ib_mad_hdr *)smp); |
| 3376 | } |
| 3377 | |
| 3378 | *new_cc_state = *old_cc_state; |
| 3379 | |
| 3380 | new_cc_state->cct.ccti_limit = ccti_limit; |
| 3381 | |
| 3382 | entries = ppd->ccti_entries; |
| 3383 | ppd->total_cct_entry = ccti_limit + 1; |
| 3384 | |
| 3385 | for (j = 0, i = sentry; i < eentry; j++, i++) |
| 3386 | entries[i].entry = be16_to_cpu(p->ccti_entries[j].entry); |
| 3387 | |
| 3388 | memcpy(new_cc_state->cct.entries, entries, |
| 3389 | eentry * sizeof(struct ib_cc_table_entry)); |
| 3390 | |
| 3391 | new_cc_state->cong_setting.port_control = IB_CC_CCS_PC_SL_BASED; |
| 3392 | new_cc_state->cong_setting.control_map = ppd->cc_sl_control_map; |
| 3393 | memcpy(new_cc_state->cong_setting.entries, ppd->congestion_entries, |
| 3394 | OPA_MAX_SLS * sizeof(struct opa_congestion_setting_entry)); |
| 3395 | |
| 3396 | rcu_assign_pointer(ppd->cc_state, new_cc_state); |
| 3397 | |
| 3398 | spin_unlock(&ppd->cc_state_lock); |
| 3399 | |
| 3400 | call_rcu(&old_cc_state->rcu, cc_state_reclaim); |
| 3401 | |
| 3402 | getit: |
| 3403 | return __subn_get_opa_cc_table(smp, am, data, ibdev, port, resp_len); |
| 3404 | } |
| 3405 | |
| 3406 | struct opa_led_info { |
| 3407 | __be32 rsvd_led_mask; |
| 3408 | __be32 rsvd; |
| 3409 | }; |
| 3410 | |
| 3411 | #define OPA_LED_SHIFT 31 |
jubin.john@intel.com | 349ac71 | 2016-01-11 18:30:52 -0500 | [diff] [blame] | 3412 | #define OPA_LED_MASK BIT(OPA_LED_SHIFT) |
Mike Marciniszyn | 7724105 | 2015-07-30 15:17:43 -0400 | [diff] [blame] | 3413 | |
| 3414 | static int __subn_get_opa_led_info(struct opa_smp *smp, u32 am, u8 *data, |
| 3415 | struct ib_device *ibdev, u8 port, |
| 3416 | u32 *resp_len) |
| 3417 | { |
| 3418 | struct hfi1_devdata *dd = dd_from_ibdev(ibdev); |
| 3419 | struct opa_led_info *p = (struct opa_led_info *) data; |
| 3420 | u32 nport = OPA_AM_NPORT(am); |
| 3421 | u64 reg; |
| 3422 | |
Sebastian Sanchez | 801cfd6 | 2015-11-06 20:07:02 -0500 | [diff] [blame] | 3423 | if (nport != 1) { |
Mike Marciniszyn | 7724105 | 2015-07-30 15:17:43 -0400 | [diff] [blame] | 3424 | smp->status |= IB_SMP_INVALID_FIELD; |
| 3425 | return reply((struct ib_mad_hdr *)smp); |
| 3426 | } |
| 3427 | |
| 3428 | reg = read_csr(dd, DCC_CFG_LED_CNTRL); |
| 3429 | if ((reg & DCC_CFG_LED_CNTRL_LED_CNTRL_SMASK) && |
| 3430 | ((reg & DCC_CFG_LED_CNTRL_LED_SW_BLINK_RATE_SMASK) == 0xf)) |
| 3431 | p->rsvd_led_mask = cpu_to_be32(OPA_LED_MASK); |
| 3432 | |
| 3433 | if (resp_len) |
| 3434 | *resp_len += sizeof(struct opa_led_info); |
| 3435 | |
| 3436 | return reply((struct ib_mad_hdr *)smp); |
| 3437 | } |
| 3438 | |
| 3439 | static int __subn_set_opa_led_info(struct opa_smp *smp, u32 am, u8 *data, |
| 3440 | struct ib_device *ibdev, u8 port, |
| 3441 | u32 *resp_len) |
| 3442 | { |
| 3443 | struct hfi1_devdata *dd = dd_from_ibdev(ibdev); |
| 3444 | struct opa_led_info *p = (struct opa_led_info *) data; |
| 3445 | u32 nport = OPA_AM_NPORT(am); |
| 3446 | int on = !!(be32_to_cpu(p->rsvd_led_mask) & OPA_LED_MASK); |
| 3447 | |
Sebastian Sanchez | 801cfd6 | 2015-11-06 20:07:02 -0500 | [diff] [blame] | 3448 | if (nport != 1) { |
Mike Marciniszyn | 7724105 | 2015-07-30 15:17:43 -0400 | [diff] [blame] | 3449 | smp->status |= IB_SMP_INVALID_FIELD; |
| 3450 | return reply((struct ib_mad_hdr *)smp); |
| 3451 | } |
| 3452 | |
| 3453 | setextled(dd, on); |
| 3454 | |
| 3455 | return __subn_get_opa_led_info(smp, am, data, ibdev, port, resp_len); |
| 3456 | } |
| 3457 | |
| 3458 | static int subn_get_opa_sma(__be16 attr_id, struct opa_smp *smp, u32 am, |
| 3459 | u8 *data, struct ib_device *ibdev, u8 port, |
| 3460 | u32 *resp_len) |
| 3461 | { |
| 3462 | int ret; |
| 3463 | struct hfi1_ibport *ibp = to_iport(ibdev, port); |
| 3464 | |
| 3465 | switch (attr_id) { |
| 3466 | case IB_SMP_ATTR_NODE_DESC: |
| 3467 | ret = __subn_get_opa_nodedesc(smp, am, data, ibdev, port, |
| 3468 | resp_len); |
| 3469 | break; |
| 3470 | case IB_SMP_ATTR_NODE_INFO: |
| 3471 | ret = __subn_get_opa_nodeinfo(smp, am, data, ibdev, port, |
| 3472 | resp_len); |
| 3473 | break; |
| 3474 | case IB_SMP_ATTR_PORT_INFO: |
| 3475 | ret = __subn_get_opa_portinfo(smp, am, data, ibdev, port, |
| 3476 | resp_len); |
| 3477 | break; |
| 3478 | case IB_SMP_ATTR_PKEY_TABLE: |
| 3479 | ret = __subn_get_opa_pkeytable(smp, am, data, ibdev, port, |
| 3480 | resp_len); |
| 3481 | break; |
| 3482 | case OPA_ATTRIB_ID_SL_TO_SC_MAP: |
| 3483 | ret = __subn_get_opa_sl_to_sc(smp, am, data, ibdev, port, |
| 3484 | resp_len); |
| 3485 | break; |
| 3486 | case OPA_ATTRIB_ID_SC_TO_SL_MAP: |
| 3487 | ret = __subn_get_opa_sc_to_sl(smp, am, data, ibdev, port, |
| 3488 | resp_len); |
| 3489 | break; |
| 3490 | case OPA_ATTRIB_ID_SC_TO_VLT_MAP: |
| 3491 | ret = __subn_get_opa_sc_to_vlt(smp, am, data, ibdev, port, |
| 3492 | resp_len); |
| 3493 | break; |
| 3494 | case OPA_ATTRIB_ID_SC_TO_VLNT_MAP: |
| 3495 | ret = __subn_get_opa_sc_to_vlnt(smp, am, data, ibdev, port, |
| 3496 | resp_len); |
| 3497 | break; |
| 3498 | case OPA_ATTRIB_ID_PORT_STATE_INFO: |
| 3499 | ret = __subn_get_opa_psi(smp, am, data, ibdev, port, |
| 3500 | resp_len); |
| 3501 | break; |
| 3502 | case OPA_ATTRIB_ID_BUFFER_CONTROL_TABLE: |
| 3503 | ret = __subn_get_opa_bct(smp, am, data, ibdev, port, |
| 3504 | resp_len); |
| 3505 | break; |
| 3506 | case OPA_ATTRIB_ID_CABLE_INFO: |
| 3507 | ret = __subn_get_opa_cable_info(smp, am, data, ibdev, port, |
| 3508 | resp_len); |
| 3509 | break; |
| 3510 | case IB_SMP_ATTR_VL_ARB_TABLE: |
| 3511 | ret = __subn_get_opa_vl_arb(smp, am, data, ibdev, port, |
| 3512 | resp_len); |
| 3513 | break; |
| 3514 | case OPA_ATTRIB_ID_CONGESTION_INFO: |
| 3515 | ret = __subn_get_opa_cong_info(smp, am, data, ibdev, port, |
| 3516 | resp_len); |
| 3517 | break; |
| 3518 | case OPA_ATTRIB_ID_HFI_CONGESTION_SETTING: |
| 3519 | ret = __subn_get_opa_cong_setting(smp, am, data, ibdev, |
| 3520 | port, resp_len); |
| 3521 | break; |
| 3522 | case OPA_ATTRIB_ID_HFI_CONGESTION_LOG: |
| 3523 | ret = __subn_get_opa_hfi1_cong_log(smp, am, data, ibdev, |
| 3524 | port, resp_len); |
| 3525 | break; |
| 3526 | case OPA_ATTRIB_ID_CONGESTION_CONTROL_TABLE: |
| 3527 | ret = __subn_get_opa_cc_table(smp, am, data, ibdev, port, |
| 3528 | resp_len); |
| 3529 | break; |
| 3530 | case IB_SMP_ATTR_LED_INFO: |
| 3531 | ret = __subn_get_opa_led_info(smp, am, data, ibdev, port, |
| 3532 | resp_len); |
| 3533 | break; |
| 3534 | case IB_SMP_ATTR_SM_INFO: |
| 3535 | if (ibp->port_cap_flags & IB_PORT_SM_DISABLED) |
| 3536 | return IB_MAD_RESULT_SUCCESS | IB_MAD_RESULT_CONSUMED; |
| 3537 | if (ibp->port_cap_flags & IB_PORT_SM) |
| 3538 | return IB_MAD_RESULT_SUCCESS; |
| 3539 | /* FALLTHROUGH */ |
| 3540 | default: |
| 3541 | smp->status |= IB_SMP_UNSUP_METH_ATTR; |
| 3542 | ret = reply((struct ib_mad_hdr *)smp); |
| 3543 | break; |
| 3544 | } |
| 3545 | return ret; |
| 3546 | } |
| 3547 | |
| 3548 | static int subn_set_opa_sma(__be16 attr_id, struct opa_smp *smp, u32 am, |
| 3549 | u8 *data, struct ib_device *ibdev, u8 port, |
| 3550 | u32 *resp_len) |
| 3551 | { |
| 3552 | int ret; |
| 3553 | struct hfi1_ibport *ibp = to_iport(ibdev, port); |
| 3554 | |
| 3555 | switch (attr_id) { |
| 3556 | case IB_SMP_ATTR_PORT_INFO: |
| 3557 | ret = __subn_set_opa_portinfo(smp, am, data, ibdev, port, |
| 3558 | resp_len); |
| 3559 | break; |
| 3560 | case IB_SMP_ATTR_PKEY_TABLE: |
| 3561 | ret = __subn_set_opa_pkeytable(smp, am, data, ibdev, port, |
| 3562 | resp_len); |
| 3563 | break; |
| 3564 | case OPA_ATTRIB_ID_SL_TO_SC_MAP: |
| 3565 | ret = __subn_set_opa_sl_to_sc(smp, am, data, ibdev, port, |
| 3566 | resp_len); |
| 3567 | break; |
| 3568 | case OPA_ATTRIB_ID_SC_TO_SL_MAP: |
| 3569 | ret = __subn_set_opa_sc_to_sl(smp, am, data, ibdev, port, |
| 3570 | resp_len); |
| 3571 | break; |
| 3572 | case OPA_ATTRIB_ID_SC_TO_VLT_MAP: |
| 3573 | ret = __subn_set_opa_sc_to_vlt(smp, am, data, ibdev, port, |
| 3574 | resp_len); |
| 3575 | break; |
| 3576 | case OPA_ATTRIB_ID_SC_TO_VLNT_MAP: |
| 3577 | ret = __subn_set_opa_sc_to_vlnt(smp, am, data, ibdev, port, |
| 3578 | resp_len); |
| 3579 | break; |
| 3580 | case OPA_ATTRIB_ID_PORT_STATE_INFO: |
| 3581 | ret = __subn_set_opa_psi(smp, am, data, ibdev, port, |
| 3582 | resp_len); |
| 3583 | break; |
| 3584 | case OPA_ATTRIB_ID_BUFFER_CONTROL_TABLE: |
| 3585 | ret = __subn_set_opa_bct(smp, am, data, ibdev, port, |
| 3586 | resp_len); |
| 3587 | break; |
| 3588 | case IB_SMP_ATTR_VL_ARB_TABLE: |
| 3589 | ret = __subn_set_opa_vl_arb(smp, am, data, ibdev, port, |
| 3590 | resp_len); |
| 3591 | break; |
| 3592 | case OPA_ATTRIB_ID_HFI_CONGESTION_SETTING: |
| 3593 | ret = __subn_set_opa_cong_setting(smp, am, data, ibdev, |
| 3594 | port, resp_len); |
| 3595 | break; |
| 3596 | case OPA_ATTRIB_ID_CONGESTION_CONTROL_TABLE: |
| 3597 | ret = __subn_set_opa_cc_table(smp, am, data, ibdev, port, |
| 3598 | resp_len); |
| 3599 | break; |
| 3600 | case IB_SMP_ATTR_LED_INFO: |
| 3601 | ret = __subn_set_opa_led_info(smp, am, data, ibdev, port, |
| 3602 | resp_len); |
| 3603 | break; |
| 3604 | case IB_SMP_ATTR_SM_INFO: |
| 3605 | if (ibp->port_cap_flags & IB_PORT_SM_DISABLED) |
| 3606 | return IB_MAD_RESULT_SUCCESS | IB_MAD_RESULT_CONSUMED; |
| 3607 | if (ibp->port_cap_flags & IB_PORT_SM) |
| 3608 | return IB_MAD_RESULT_SUCCESS; |
| 3609 | /* FALLTHROUGH */ |
| 3610 | default: |
| 3611 | smp->status |= IB_SMP_UNSUP_METH_ATTR; |
| 3612 | ret = reply((struct ib_mad_hdr *)smp); |
| 3613 | break; |
| 3614 | } |
| 3615 | return ret; |
| 3616 | } |
| 3617 | |
| 3618 | static inline void set_aggr_error(struct opa_aggregate *ag) |
| 3619 | { |
| 3620 | ag->err_reqlength |= cpu_to_be16(0x8000); |
| 3621 | } |
| 3622 | |
| 3623 | static int subn_get_opa_aggregate(struct opa_smp *smp, |
| 3624 | struct ib_device *ibdev, u8 port, |
| 3625 | u32 *resp_len) |
| 3626 | { |
| 3627 | int i; |
| 3628 | u32 num_attr = be32_to_cpu(smp->attr_mod) & 0x000000ff; |
| 3629 | u8 *next_smp = opa_get_smp_data(smp); |
| 3630 | |
| 3631 | if (num_attr < 1 || num_attr > 117) { |
| 3632 | smp->status |= IB_SMP_INVALID_FIELD; |
| 3633 | return reply((struct ib_mad_hdr *)smp); |
| 3634 | } |
| 3635 | |
| 3636 | for (i = 0; i < num_attr; i++) { |
| 3637 | struct opa_aggregate *agg; |
| 3638 | size_t agg_data_len; |
| 3639 | size_t agg_size; |
| 3640 | u32 am; |
| 3641 | |
| 3642 | agg = (struct opa_aggregate *)next_smp; |
| 3643 | agg_data_len = (be16_to_cpu(agg->err_reqlength) & 0x007f) * 8; |
| 3644 | agg_size = sizeof(*agg) + agg_data_len; |
| 3645 | am = be32_to_cpu(agg->attr_mod); |
| 3646 | |
| 3647 | *resp_len += agg_size; |
| 3648 | |
| 3649 | if (next_smp + agg_size > ((u8 *)smp) + sizeof(*smp)) { |
| 3650 | smp->status |= IB_SMP_INVALID_FIELD; |
| 3651 | return reply((struct ib_mad_hdr *)smp); |
| 3652 | } |
| 3653 | |
| 3654 | /* zero the payload for this segment */ |
| 3655 | memset(next_smp + sizeof(*agg), 0, agg_data_len); |
| 3656 | |
| 3657 | (void) subn_get_opa_sma(agg->attr_id, smp, am, agg->data, |
| 3658 | ibdev, port, NULL); |
| 3659 | if (smp->status & ~IB_SMP_DIRECTION) { |
| 3660 | set_aggr_error(agg); |
| 3661 | return reply((struct ib_mad_hdr *)smp); |
| 3662 | } |
| 3663 | next_smp += agg_size; |
| 3664 | |
| 3665 | } |
| 3666 | |
| 3667 | return reply((struct ib_mad_hdr *)smp); |
| 3668 | } |
| 3669 | |
| 3670 | static int subn_set_opa_aggregate(struct opa_smp *smp, |
| 3671 | struct ib_device *ibdev, u8 port, |
| 3672 | u32 *resp_len) |
| 3673 | { |
| 3674 | int i; |
| 3675 | u32 num_attr = be32_to_cpu(smp->attr_mod) & 0x000000ff; |
| 3676 | u8 *next_smp = opa_get_smp_data(smp); |
| 3677 | |
| 3678 | if (num_attr < 1 || num_attr > 117) { |
| 3679 | smp->status |= IB_SMP_INVALID_FIELD; |
| 3680 | return reply((struct ib_mad_hdr *)smp); |
| 3681 | } |
| 3682 | |
| 3683 | for (i = 0; i < num_attr; i++) { |
| 3684 | struct opa_aggregate *agg; |
| 3685 | size_t agg_data_len; |
| 3686 | size_t agg_size; |
| 3687 | u32 am; |
| 3688 | |
| 3689 | agg = (struct opa_aggregate *)next_smp; |
| 3690 | agg_data_len = (be16_to_cpu(agg->err_reqlength) & 0x007f) * 8; |
| 3691 | agg_size = sizeof(*agg) + agg_data_len; |
| 3692 | am = be32_to_cpu(agg->attr_mod); |
| 3693 | |
| 3694 | *resp_len += agg_size; |
| 3695 | |
| 3696 | if (next_smp + agg_size > ((u8 *)smp) + sizeof(*smp)) { |
| 3697 | smp->status |= IB_SMP_INVALID_FIELD; |
| 3698 | return reply((struct ib_mad_hdr *)smp); |
| 3699 | } |
| 3700 | |
| 3701 | (void) subn_set_opa_sma(agg->attr_id, smp, am, agg->data, |
| 3702 | ibdev, port, NULL); |
| 3703 | if (smp->status & ~IB_SMP_DIRECTION) { |
| 3704 | set_aggr_error(agg); |
| 3705 | return reply((struct ib_mad_hdr *)smp); |
| 3706 | } |
| 3707 | next_smp += agg_size; |
| 3708 | |
| 3709 | } |
| 3710 | |
| 3711 | return reply((struct ib_mad_hdr *)smp); |
| 3712 | } |
| 3713 | |
| 3714 | /* |
| 3715 | * OPAv1 specifies that, on the transition to link up, these counters |
| 3716 | * are cleared: |
| 3717 | * PortRcvErrors [*] |
| 3718 | * LinkErrorRecovery |
| 3719 | * LocalLinkIntegrityErrors |
| 3720 | * ExcessiveBufferOverruns [*] |
| 3721 | * |
| 3722 | * [*] Error info associated with these counters is retained, but the |
| 3723 | * error info status is reset to 0. |
| 3724 | */ |
| 3725 | void clear_linkup_counters(struct hfi1_devdata *dd) |
| 3726 | { |
| 3727 | /* PortRcvErrors */ |
| 3728 | write_dev_cntr(dd, C_DC_RCV_ERR, CNTR_INVALID_VL, 0); |
| 3729 | dd->err_info_rcvport.status_and_code &= ~OPA_EI_STATUS_SMASK; |
| 3730 | /* LinkErrorRecovery */ |
| 3731 | write_dev_cntr(dd, C_DC_SEQ_CRC_CNT, CNTR_INVALID_VL, 0); |
| 3732 | write_dev_cntr(dd, C_DC_REINIT_FROM_PEER_CNT, CNTR_INVALID_VL, 0); |
| 3733 | /* LocalLinkIntegrityErrors */ |
| 3734 | write_dev_cntr(dd, C_DC_TX_REPLAY, CNTR_INVALID_VL, 0); |
| 3735 | write_dev_cntr(dd, C_DC_RX_REPLAY, CNTR_INVALID_VL, 0); |
| 3736 | /* ExcessiveBufferOverruns */ |
| 3737 | write_dev_cntr(dd, C_RCV_OVF, CNTR_INVALID_VL, 0); |
| 3738 | dd->rcv_ovfl_cnt = 0; |
| 3739 | dd->err_info_xmit_constraint.status &= ~OPA_EI_STATUS_SMASK; |
| 3740 | } |
| 3741 | |
| 3742 | /* |
| 3743 | * is_local_mad() returns 1 if 'mad' is sent from, and destined to the |
| 3744 | * local node, 0 otherwise. |
| 3745 | */ |
| 3746 | static int is_local_mad(struct hfi1_ibport *ibp, const struct opa_mad *mad, |
| 3747 | const struct ib_wc *in_wc) |
| 3748 | { |
| 3749 | struct hfi1_pportdata *ppd = ppd_from_ibp(ibp); |
| 3750 | const struct opa_smp *smp = (const struct opa_smp *)mad; |
| 3751 | |
| 3752 | if (smp->mgmt_class == IB_MGMT_CLASS_SUBN_DIRECTED_ROUTE) { |
| 3753 | return (smp->hop_cnt == 0 && |
| 3754 | smp->route.dr.dr_slid == OPA_LID_PERMISSIVE && |
| 3755 | smp->route.dr.dr_dlid == OPA_LID_PERMISSIVE); |
| 3756 | } |
| 3757 | |
| 3758 | return (in_wc->slid == ppd->lid); |
| 3759 | } |
| 3760 | |
| 3761 | /* |
| 3762 | * opa_local_smp_check() should only be called on MADs for which |
| 3763 | * is_local_mad() returns true. It applies the SMP checks that are |
| 3764 | * specific to SMPs which are sent from, and destined to this node. |
| 3765 | * opa_local_smp_check() returns 0 if the SMP passes its checks, 1 |
| 3766 | * otherwise. |
| 3767 | * |
| 3768 | * SMPs which arrive from other nodes are instead checked by |
| 3769 | * opa_smp_check(). |
| 3770 | */ |
| 3771 | static int opa_local_smp_check(struct hfi1_ibport *ibp, |
| 3772 | const struct ib_wc *in_wc) |
| 3773 | { |
| 3774 | struct hfi1_pportdata *ppd = ppd_from_ibp(ibp); |
| 3775 | u16 slid = in_wc->slid; |
| 3776 | u16 pkey; |
| 3777 | |
| 3778 | if (in_wc->pkey_index >= ARRAY_SIZE(ppd->pkeys)) |
| 3779 | return 1; |
| 3780 | |
| 3781 | pkey = ppd->pkeys[in_wc->pkey_index]; |
| 3782 | /* |
| 3783 | * We need to do the "node-local" checks specified in OPAv1, |
| 3784 | * rev 0.90, section 9.10.26, which are: |
| 3785 | * - pkey is 0x7fff, or 0xffff |
| 3786 | * - Source QPN == 0 || Destination QPN == 0 |
| 3787 | * - the MAD header's management class is either |
| 3788 | * IB_MGMT_CLASS_SUBN_DIRECTED_ROUTE or |
| 3789 | * IB_MGMT_CLASS_SUBN_LID_ROUTED |
| 3790 | * - SLID != 0 |
| 3791 | * |
| 3792 | * However, we know (and so don't need to check again) that, |
| 3793 | * for local SMPs, the MAD stack passes MADs with: |
| 3794 | * - Source QPN of 0 |
| 3795 | * - MAD mgmt_class is IB_MGMT_CLASS_SUBN_DIRECTED_ROUTE |
| 3796 | * - SLID is either: OPA_LID_PERMISSIVE (0xFFFFFFFF), or |
| 3797 | * our own port's lid |
| 3798 | * |
| 3799 | */ |
| 3800 | if (pkey == LIM_MGMT_P_KEY || pkey == FULL_MGMT_P_KEY) |
| 3801 | return 0; |
| 3802 | ingress_pkey_table_fail(ppd, pkey, slid); |
| 3803 | return 1; |
| 3804 | } |
| 3805 | |
| 3806 | static int process_subn_opa(struct ib_device *ibdev, int mad_flags, |
| 3807 | u8 port, const struct opa_mad *in_mad, |
| 3808 | struct opa_mad *out_mad, |
| 3809 | u32 *resp_len) |
| 3810 | { |
| 3811 | struct opa_smp *smp = (struct opa_smp *)out_mad; |
| 3812 | struct hfi1_ibport *ibp = to_iport(ibdev, port); |
| 3813 | u8 *data; |
| 3814 | u32 am; |
| 3815 | __be16 attr_id; |
| 3816 | int ret; |
| 3817 | |
| 3818 | *out_mad = *in_mad; |
| 3819 | data = opa_get_smp_data(smp); |
| 3820 | |
| 3821 | am = be32_to_cpu(smp->attr_mod); |
| 3822 | attr_id = smp->attr_id; |
| 3823 | if (smp->class_version != OPA_SMI_CLASS_VERSION) { |
| 3824 | smp->status |= IB_SMP_UNSUP_VERSION; |
| 3825 | ret = reply((struct ib_mad_hdr *)smp); |
| 3826 | goto bail; |
| 3827 | } |
| 3828 | ret = check_mkey(ibp, (struct ib_mad_hdr *)smp, mad_flags, smp->mkey, |
| 3829 | smp->route.dr.dr_slid, smp->route.dr.return_path, |
| 3830 | smp->hop_cnt); |
| 3831 | if (ret) { |
| 3832 | u32 port_num = be32_to_cpu(smp->attr_mod); |
| 3833 | |
| 3834 | /* |
| 3835 | * If this is a get/set portinfo, we already check the |
| 3836 | * M_Key if the MAD is for another port and the M_Key |
| 3837 | * is OK on the receiving port. This check is needed |
| 3838 | * to increment the error counters when the M_Key |
| 3839 | * fails to match on *both* ports. |
| 3840 | */ |
| 3841 | if (attr_id == IB_SMP_ATTR_PORT_INFO && |
| 3842 | (smp->method == IB_MGMT_METHOD_GET || |
| 3843 | smp->method == IB_MGMT_METHOD_SET) && |
| 3844 | port_num && port_num <= ibdev->phys_port_cnt && |
| 3845 | port != port_num) |
| 3846 | (void) check_mkey(to_iport(ibdev, port_num), |
| 3847 | (struct ib_mad_hdr *)smp, 0, |
| 3848 | smp->mkey, smp->route.dr.dr_slid, |
| 3849 | smp->route.dr.return_path, |
| 3850 | smp->hop_cnt); |
| 3851 | ret = IB_MAD_RESULT_FAILURE; |
| 3852 | goto bail; |
| 3853 | } |
| 3854 | |
| 3855 | *resp_len = opa_get_smp_header_size(smp); |
| 3856 | |
| 3857 | switch (smp->method) { |
| 3858 | case IB_MGMT_METHOD_GET: |
| 3859 | switch (attr_id) { |
| 3860 | default: |
| 3861 | clear_opa_smp_data(smp); |
| 3862 | ret = subn_get_opa_sma(attr_id, smp, am, data, |
| 3863 | ibdev, port, resp_len); |
| 3864 | goto bail; |
| 3865 | case OPA_ATTRIB_ID_AGGREGATE: |
| 3866 | ret = subn_get_opa_aggregate(smp, ibdev, port, |
| 3867 | resp_len); |
| 3868 | goto bail; |
| 3869 | } |
| 3870 | case IB_MGMT_METHOD_SET: |
| 3871 | switch (attr_id) { |
| 3872 | default: |
| 3873 | ret = subn_set_opa_sma(attr_id, smp, am, data, |
| 3874 | ibdev, port, resp_len); |
| 3875 | goto bail; |
| 3876 | case OPA_ATTRIB_ID_AGGREGATE: |
| 3877 | ret = subn_set_opa_aggregate(smp, ibdev, port, |
| 3878 | resp_len); |
| 3879 | goto bail; |
| 3880 | } |
| 3881 | case IB_MGMT_METHOD_TRAP: |
| 3882 | case IB_MGMT_METHOD_REPORT: |
| 3883 | case IB_MGMT_METHOD_REPORT_RESP: |
| 3884 | case IB_MGMT_METHOD_GET_RESP: |
| 3885 | /* |
| 3886 | * The ib_mad module will call us to process responses |
| 3887 | * before checking for other consumers. |
| 3888 | * Just tell the caller to process it normally. |
| 3889 | */ |
| 3890 | ret = IB_MAD_RESULT_SUCCESS; |
| 3891 | goto bail; |
| 3892 | default: |
| 3893 | smp->status |= IB_SMP_UNSUP_METHOD; |
| 3894 | ret = reply((struct ib_mad_hdr *)smp); |
| 3895 | } |
| 3896 | |
| 3897 | bail: |
| 3898 | return ret; |
| 3899 | } |
| 3900 | |
| 3901 | static int process_subn(struct ib_device *ibdev, int mad_flags, |
| 3902 | u8 port, const struct ib_mad *in_mad, |
| 3903 | struct ib_mad *out_mad) |
| 3904 | { |
| 3905 | struct ib_smp *smp = (struct ib_smp *)out_mad; |
| 3906 | struct hfi1_ibport *ibp = to_iport(ibdev, port); |
| 3907 | int ret; |
| 3908 | |
| 3909 | *out_mad = *in_mad; |
| 3910 | if (smp->class_version != 1) { |
| 3911 | smp->status |= IB_SMP_UNSUP_VERSION; |
| 3912 | ret = reply((struct ib_mad_hdr *)smp); |
| 3913 | goto bail; |
| 3914 | } |
| 3915 | |
| 3916 | ret = check_mkey(ibp, (struct ib_mad_hdr *)smp, mad_flags, |
| 3917 | smp->mkey, (__force __be32)smp->dr_slid, |
| 3918 | smp->return_path, smp->hop_cnt); |
| 3919 | if (ret) { |
| 3920 | u32 port_num = be32_to_cpu(smp->attr_mod); |
| 3921 | |
| 3922 | /* |
| 3923 | * If this is a get/set portinfo, we already check the |
| 3924 | * M_Key if the MAD is for another port and the M_Key |
| 3925 | * is OK on the receiving port. This check is needed |
| 3926 | * to increment the error counters when the M_Key |
| 3927 | * fails to match on *both* ports. |
| 3928 | */ |
| 3929 | if (in_mad->mad_hdr.attr_id == IB_SMP_ATTR_PORT_INFO && |
| 3930 | (smp->method == IB_MGMT_METHOD_GET || |
| 3931 | smp->method == IB_MGMT_METHOD_SET) && |
| 3932 | port_num && port_num <= ibdev->phys_port_cnt && |
| 3933 | port != port_num) |
| 3934 | (void) check_mkey(to_iport(ibdev, port_num), |
| 3935 | (struct ib_mad_hdr *)smp, 0, |
| 3936 | smp->mkey, |
| 3937 | (__force __be32)smp->dr_slid, |
| 3938 | smp->return_path, smp->hop_cnt); |
| 3939 | ret = IB_MAD_RESULT_FAILURE; |
| 3940 | goto bail; |
| 3941 | } |
| 3942 | |
| 3943 | switch (smp->method) { |
| 3944 | case IB_MGMT_METHOD_GET: |
| 3945 | switch (smp->attr_id) { |
| 3946 | case IB_SMP_ATTR_NODE_INFO: |
| 3947 | ret = subn_get_nodeinfo(smp, ibdev, port); |
| 3948 | goto bail; |
| 3949 | default: |
| 3950 | smp->status |= IB_SMP_UNSUP_METH_ATTR; |
| 3951 | ret = reply((struct ib_mad_hdr *)smp); |
| 3952 | goto bail; |
| 3953 | } |
| 3954 | } |
| 3955 | |
| 3956 | bail: |
| 3957 | return ret; |
| 3958 | } |
| 3959 | |
| 3960 | static int process_perf_opa(struct ib_device *ibdev, u8 port, |
| 3961 | const struct opa_mad *in_mad, |
| 3962 | struct opa_mad *out_mad, u32 *resp_len) |
| 3963 | { |
| 3964 | struct opa_pma_mad *pmp = (struct opa_pma_mad *)out_mad; |
| 3965 | int ret; |
| 3966 | |
| 3967 | *out_mad = *in_mad; |
| 3968 | |
| 3969 | if (pmp->mad_hdr.class_version != OPA_SMI_CLASS_VERSION) { |
| 3970 | pmp->mad_hdr.status |= IB_SMP_UNSUP_VERSION; |
| 3971 | return reply((struct ib_mad_hdr *)pmp); |
| 3972 | } |
| 3973 | |
| 3974 | *resp_len = sizeof(pmp->mad_hdr); |
| 3975 | |
| 3976 | switch (pmp->mad_hdr.method) { |
| 3977 | case IB_MGMT_METHOD_GET: |
| 3978 | switch (pmp->mad_hdr.attr_id) { |
| 3979 | case IB_PMA_CLASS_PORT_INFO: |
| 3980 | ret = pma_get_opa_classportinfo(pmp, ibdev, resp_len); |
| 3981 | goto bail; |
| 3982 | case OPA_PM_ATTRIB_ID_PORT_STATUS: |
| 3983 | ret = pma_get_opa_portstatus(pmp, ibdev, port, |
| 3984 | resp_len); |
| 3985 | goto bail; |
| 3986 | case OPA_PM_ATTRIB_ID_DATA_PORT_COUNTERS: |
| 3987 | ret = pma_get_opa_datacounters(pmp, ibdev, port, |
| 3988 | resp_len); |
| 3989 | goto bail; |
| 3990 | case OPA_PM_ATTRIB_ID_ERROR_PORT_COUNTERS: |
| 3991 | ret = pma_get_opa_porterrors(pmp, ibdev, port, |
| 3992 | resp_len); |
| 3993 | goto bail; |
| 3994 | case OPA_PM_ATTRIB_ID_ERROR_INFO: |
| 3995 | ret = pma_get_opa_errorinfo(pmp, ibdev, port, |
| 3996 | resp_len); |
| 3997 | goto bail; |
| 3998 | default: |
| 3999 | pmp->mad_hdr.status |= IB_SMP_UNSUP_METH_ATTR; |
| 4000 | ret = reply((struct ib_mad_hdr *)pmp); |
| 4001 | goto bail; |
| 4002 | } |
| 4003 | |
| 4004 | case IB_MGMT_METHOD_SET: |
| 4005 | switch (pmp->mad_hdr.attr_id) { |
| 4006 | case OPA_PM_ATTRIB_ID_CLEAR_PORT_STATUS: |
| 4007 | ret = pma_set_opa_portstatus(pmp, ibdev, port, |
| 4008 | resp_len); |
| 4009 | goto bail; |
| 4010 | case OPA_PM_ATTRIB_ID_ERROR_INFO: |
| 4011 | ret = pma_set_opa_errorinfo(pmp, ibdev, port, |
| 4012 | resp_len); |
| 4013 | goto bail; |
| 4014 | default: |
| 4015 | pmp->mad_hdr.status |= IB_SMP_UNSUP_METH_ATTR; |
| 4016 | ret = reply((struct ib_mad_hdr *)pmp); |
| 4017 | goto bail; |
| 4018 | } |
| 4019 | |
| 4020 | case IB_MGMT_METHOD_TRAP: |
| 4021 | case IB_MGMT_METHOD_GET_RESP: |
| 4022 | /* |
| 4023 | * The ib_mad module will call us to process responses |
| 4024 | * before checking for other consumers. |
| 4025 | * Just tell the caller to process it normally. |
| 4026 | */ |
| 4027 | ret = IB_MAD_RESULT_SUCCESS; |
| 4028 | goto bail; |
| 4029 | |
| 4030 | default: |
| 4031 | pmp->mad_hdr.status |= IB_SMP_UNSUP_METHOD; |
| 4032 | ret = reply((struct ib_mad_hdr *)pmp); |
| 4033 | } |
| 4034 | |
| 4035 | bail: |
| 4036 | return ret; |
| 4037 | } |
| 4038 | |
| 4039 | static int hfi1_process_opa_mad(struct ib_device *ibdev, int mad_flags, |
Jeff Becker | a724648 | 2015-08-21 12:26:22 -0700 | [diff] [blame] | 4040 | u8 port, const struct ib_wc *in_wc, |
| 4041 | const struct ib_grh *in_grh, |
| 4042 | const struct opa_mad *in_mad, |
| 4043 | struct opa_mad *out_mad, size_t *out_mad_size, |
| 4044 | u16 *out_mad_pkey_index) |
Mike Marciniszyn | 7724105 | 2015-07-30 15:17:43 -0400 | [diff] [blame] | 4045 | { |
| 4046 | int ret; |
| 4047 | int pkey_idx; |
| 4048 | u32 resp_len = 0; |
| 4049 | struct hfi1_ibport *ibp = to_iport(ibdev, port); |
| 4050 | |
| 4051 | pkey_idx = hfi1_lookup_pkey_idx(ibp, LIM_MGMT_P_KEY); |
| 4052 | if (pkey_idx < 0) { |
| 4053 | pr_warn("failed to find limited mgmt pkey, defaulting 0x%x\n", |
| 4054 | hfi1_get_pkey(ibp, 1)); |
| 4055 | pkey_idx = 1; |
| 4056 | } |
| 4057 | *out_mad_pkey_index = (u16)pkey_idx; |
| 4058 | |
| 4059 | switch (in_mad->mad_hdr.mgmt_class) { |
| 4060 | case IB_MGMT_CLASS_SUBN_DIRECTED_ROUTE: |
| 4061 | case IB_MGMT_CLASS_SUBN_LID_ROUTED: |
| 4062 | if (is_local_mad(ibp, in_mad, in_wc)) { |
| 4063 | ret = opa_local_smp_check(ibp, in_wc); |
| 4064 | if (ret) |
| 4065 | return IB_MAD_RESULT_FAILURE; |
| 4066 | } |
| 4067 | ret = process_subn_opa(ibdev, mad_flags, port, in_mad, |
| 4068 | out_mad, &resp_len); |
| 4069 | goto bail; |
| 4070 | case IB_MGMT_CLASS_PERF_MGMT: |
| 4071 | ret = process_perf_opa(ibdev, port, in_mad, out_mad, |
| 4072 | &resp_len); |
| 4073 | goto bail; |
| 4074 | |
| 4075 | default: |
| 4076 | ret = IB_MAD_RESULT_SUCCESS; |
| 4077 | } |
| 4078 | |
| 4079 | bail: |
| 4080 | if (ret & IB_MAD_RESULT_REPLY) |
| 4081 | *out_mad_size = round_up(resp_len, 8); |
| 4082 | else if (ret & IB_MAD_RESULT_SUCCESS) |
| 4083 | *out_mad_size = in_wc->byte_len - sizeof(struct ib_grh); |
| 4084 | |
| 4085 | return ret; |
| 4086 | } |
| 4087 | |
| 4088 | static int hfi1_process_ib_mad(struct ib_device *ibdev, int mad_flags, u8 port, |
| 4089 | const struct ib_wc *in_wc, |
| 4090 | const struct ib_grh *in_grh, |
| 4091 | const struct ib_mad *in_mad, |
| 4092 | struct ib_mad *out_mad) |
| 4093 | { |
| 4094 | int ret; |
| 4095 | |
| 4096 | switch (in_mad->mad_hdr.mgmt_class) { |
| 4097 | case IB_MGMT_CLASS_SUBN_DIRECTED_ROUTE: |
| 4098 | case IB_MGMT_CLASS_SUBN_LID_ROUTED: |
| 4099 | ret = process_subn(ibdev, mad_flags, port, in_mad, out_mad); |
| 4100 | goto bail; |
| 4101 | default: |
| 4102 | ret = IB_MAD_RESULT_SUCCESS; |
| 4103 | } |
| 4104 | |
| 4105 | bail: |
| 4106 | return ret; |
| 4107 | } |
| 4108 | |
| 4109 | /** |
| 4110 | * hfi1_process_mad - process an incoming MAD packet |
| 4111 | * @ibdev: the infiniband device this packet came in on |
| 4112 | * @mad_flags: MAD flags |
| 4113 | * @port: the port number this packet came in on |
| 4114 | * @in_wc: the work completion entry for this packet |
| 4115 | * @in_grh: the global route header for this packet |
| 4116 | * @in_mad: the incoming MAD |
| 4117 | * @out_mad: any outgoing MAD reply |
| 4118 | * |
| 4119 | * Returns IB_MAD_RESULT_SUCCESS if this is a MAD that we are not |
| 4120 | * interested in processing. |
| 4121 | * |
| 4122 | * Note that the verbs framework has already done the MAD sanity checks, |
| 4123 | * and hop count/pointer updating for IB_MGMT_CLASS_SUBN_DIRECTED_ROUTE |
| 4124 | * MADs. |
| 4125 | * |
| 4126 | * This is called by the ib_mad module. |
| 4127 | */ |
| 4128 | int hfi1_process_mad(struct ib_device *ibdev, int mad_flags, u8 port, |
| 4129 | const struct ib_wc *in_wc, const struct ib_grh *in_grh, |
| 4130 | const struct ib_mad_hdr *in_mad, size_t in_mad_size, |
| 4131 | struct ib_mad_hdr *out_mad, size_t *out_mad_size, |
| 4132 | u16 *out_mad_pkey_index) |
| 4133 | { |
| 4134 | switch (in_mad->base_version) { |
| 4135 | case OPA_MGMT_BASE_VERSION: |
| 4136 | if (unlikely(in_mad_size != sizeof(struct opa_mad))) { |
| 4137 | dev_err(ibdev->dma_device, "invalid in_mad_size\n"); |
| 4138 | return IB_MAD_RESULT_FAILURE; |
| 4139 | } |
| 4140 | return hfi1_process_opa_mad(ibdev, mad_flags, port, |
| 4141 | in_wc, in_grh, |
| 4142 | (struct opa_mad *)in_mad, |
| 4143 | (struct opa_mad *)out_mad, |
| 4144 | out_mad_size, |
| 4145 | out_mad_pkey_index); |
| 4146 | case IB_MGMT_BASE_VERSION: |
| 4147 | return hfi1_process_ib_mad(ibdev, mad_flags, port, |
| 4148 | in_wc, in_grh, |
| 4149 | (const struct ib_mad *)in_mad, |
| 4150 | (struct ib_mad *)out_mad); |
| 4151 | default: |
| 4152 | break; |
| 4153 | } |
| 4154 | |
| 4155 | return IB_MAD_RESULT_FAILURE; |
| 4156 | } |
| 4157 | |
| 4158 | static void send_handler(struct ib_mad_agent *agent, |
| 4159 | struct ib_mad_send_wc *mad_send_wc) |
| 4160 | { |
| 4161 | ib_free_send_mad(mad_send_wc->send_buf); |
| 4162 | } |
| 4163 | |
| 4164 | int hfi1_create_agents(struct hfi1_ibdev *dev) |
| 4165 | { |
| 4166 | struct hfi1_devdata *dd = dd_from_dev(dev); |
| 4167 | struct ib_mad_agent *agent; |
| 4168 | struct hfi1_ibport *ibp; |
| 4169 | int p; |
| 4170 | int ret; |
| 4171 | |
| 4172 | for (p = 0; p < dd->num_pports; p++) { |
| 4173 | ibp = &dd->pport[p].ibport_data; |
Dennis Dalessandro | ec3f2c1 | 2016-01-19 14:41:33 -0800 | [diff] [blame] | 4174 | agent = ib_register_mad_agent(&dev->rdi.ibdev, p + 1, |
| 4175 | IB_QPT_SMI, |
Mike Marciniszyn | 7724105 | 2015-07-30 15:17:43 -0400 | [diff] [blame] | 4176 | NULL, 0, send_handler, |
| 4177 | NULL, NULL, 0); |
| 4178 | if (IS_ERR(agent)) { |
| 4179 | ret = PTR_ERR(agent); |
| 4180 | goto err; |
| 4181 | } |
| 4182 | |
| 4183 | ibp->send_agent = agent; |
| 4184 | } |
| 4185 | |
| 4186 | return 0; |
| 4187 | |
| 4188 | err: |
| 4189 | for (p = 0; p < dd->num_pports; p++) { |
| 4190 | ibp = &dd->pport[p].ibport_data; |
| 4191 | if (ibp->send_agent) { |
| 4192 | agent = ibp->send_agent; |
| 4193 | ibp->send_agent = NULL; |
| 4194 | ib_unregister_mad_agent(agent); |
| 4195 | } |
| 4196 | } |
| 4197 | |
| 4198 | return ret; |
| 4199 | } |
| 4200 | |
| 4201 | void hfi1_free_agents(struct hfi1_ibdev *dev) |
| 4202 | { |
| 4203 | struct hfi1_devdata *dd = dd_from_dev(dev); |
| 4204 | struct ib_mad_agent *agent; |
| 4205 | struct hfi1_ibport *ibp; |
| 4206 | int p; |
| 4207 | |
| 4208 | for (p = 0; p < dd->num_pports; p++) { |
| 4209 | ibp = &dd->pport[p].ibport_data; |
| 4210 | if (ibp->send_agent) { |
| 4211 | agent = ibp->send_agent; |
| 4212 | ibp->send_agent = NULL; |
| 4213 | ib_unregister_mad_agent(agent); |
| 4214 | } |
| 4215 | if (ibp->sm_ah) { |
| 4216 | ib_destroy_ah(&ibp->sm_ah->ibah); |
| 4217 | ibp->sm_ah = NULL; |
| 4218 | } |
| 4219 | } |
| 4220 | } |