Heiko J Schick | fab9722 | 2006-09-22 15:22:22 -0700 | [diff] [blame] | 1 | /* |
| 2 | * IBM eServer eHCA Infiniband device driver for Linux on POWER |
| 3 | * |
| 4 | * QP functions |
| 5 | * |
Joachim Fenkes | a6a1294 | 2007-07-09 15:25:10 +0200 | [diff] [blame] | 6 | * Authors: Joachim Fenkes <fenkes@de.ibm.com> |
| 7 | * Stefan Roscher <stefan.roscher@de.ibm.com> |
| 8 | * Waleri Fomin <fomin@de.ibm.com> |
Heiko J Schick | fab9722 | 2006-09-22 15:22:22 -0700 | [diff] [blame] | 9 | * Hoang-Nam Nguyen <hnguyen@de.ibm.com> |
| 10 | * Reinhard Ernst <rernst@de.ibm.com> |
| 11 | * Heiko J Schick <schickhj@de.ibm.com> |
| 12 | * |
| 13 | * Copyright (c) 2005 IBM Corporation |
| 14 | * |
| 15 | * All rights reserved. |
| 16 | * |
| 17 | * This source code is distributed under a dual license of GPL v2.0 and OpenIB |
| 18 | * BSD. |
| 19 | * |
| 20 | * OpenIB BSD License |
| 21 | * |
| 22 | * Redistribution and use in source and binary forms, with or without |
| 23 | * modification, are permitted provided that the following conditions are met: |
| 24 | * |
| 25 | * Redistributions of source code must retain the above copyright notice, this |
| 26 | * list of conditions and the following disclaimer. |
| 27 | * |
| 28 | * Redistributions in binary form must reproduce the above copyright notice, |
| 29 | * this list of conditions and the following disclaimer in the documentation |
| 30 | * and/or other materials |
| 31 | * provided with the distribution. |
| 32 | * |
| 33 | * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" |
| 34 | * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE |
| 35 | * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE |
| 36 | * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE |
| 37 | * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR |
| 38 | * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF |
| 39 | * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR |
| 40 | * BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER |
| 41 | * IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) |
| 42 | * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE |
| 43 | * POSSIBILITY OF SUCH DAMAGE. |
| 44 | */ |
| 45 | |
Heiko J Schick | fab9722 | 2006-09-22 15:22:22 -0700 | [diff] [blame] | 46 | #include "ehca_classes.h" |
| 47 | #include "ehca_tools.h" |
| 48 | #include "ehca_qes.h" |
| 49 | #include "ehca_iverbs.h" |
| 50 | #include "hcp_if.h" |
| 51 | #include "hipz_fns.h" |
| 52 | |
| 53 | static struct kmem_cache *qp_cache; |
| 54 | |
| 55 | /* |
| 56 | * attributes not supported by query qp |
| 57 | */ |
| 58 | #define QP_ATTR_QUERY_NOT_SUPPORTED (IB_QP_MAX_DEST_RD_ATOMIC | \ |
| 59 | IB_QP_MAX_QP_RD_ATOMIC | \ |
| 60 | IB_QP_ACCESS_FLAGS | \ |
| 61 | IB_QP_EN_SQD_ASYNC_NOTIFY) |
| 62 | |
| 63 | /* |
| 64 | * ehca (internal) qp state values |
| 65 | */ |
| 66 | enum ehca_qp_state { |
| 67 | EHCA_QPS_RESET = 1, |
| 68 | EHCA_QPS_INIT = 2, |
| 69 | EHCA_QPS_RTR = 3, |
| 70 | EHCA_QPS_RTS = 5, |
| 71 | EHCA_QPS_SQD = 6, |
| 72 | EHCA_QPS_SQE = 8, |
| 73 | EHCA_QPS_ERR = 128 |
| 74 | }; |
| 75 | |
| 76 | /* |
| 77 | * qp state transitions as defined by IB Arch Rel 1.1 page 431 |
| 78 | */ |
| 79 | enum ib_qp_statetrans { |
| 80 | IB_QPST_ANY2RESET, |
| 81 | IB_QPST_ANY2ERR, |
| 82 | IB_QPST_RESET2INIT, |
| 83 | IB_QPST_INIT2RTR, |
| 84 | IB_QPST_INIT2INIT, |
| 85 | IB_QPST_RTR2RTS, |
| 86 | IB_QPST_RTS2SQD, |
| 87 | IB_QPST_RTS2RTS, |
| 88 | IB_QPST_SQD2RTS, |
| 89 | IB_QPST_SQE2RTS, |
| 90 | IB_QPST_SQD2SQD, |
| 91 | IB_QPST_MAX /* nr of transitions, this must be last!!! */ |
| 92 | }; |
| 93 | |
| 94 | /* |
| 95 | * ib2ehca_qp_state maps IB to ehca qp_state |
| 96 | * returns ehca qp state corresponding to given ib qp state |
| 97 | */ |
| 98 | static inline enum ehca_qp_state ib2ehca_qp_state(enum ib_qp_state ib_qp_state) |
| 99 | { |
| 100 | switch (ib_qp_state) { |
| 101 | case IB_QPS_RESET: |
| 102 | return EHCA_QPS_RESET; |
| 103 | case IB_QPS_INIT: |
| 104 | return EHCA_QPS_INIT; |
| 105 | case IB_QPS_RTR: |
| 106 | return EHCA_QPS_RTR; |
| 107 | case IB_QPS_RTS: |
| 108 | return EHCA_QPS_RTS; |
| 109 | case IB_QPS_SQD: |
| 110 | return EHCA_QPS_SQD; |
| 111 | case IB_QPS_SQE: |
| 112 | return EHCA_QPS_SQE; |
| 113 | case IB_QPS_ERR: |
| 114 | return EHCA_QPS_ERR; |
| 115 | default: |
| 116 | ehca_gen_err("invalid ib_qp_state=%x", ib_qp_state); |
| 117 | return -EINVAL; |
| 118 | } |
| 119 | } |
| 120 | |
| 121 | /* |
| 122 | * ehca2ib_qp_state maps ehca to IB qp_state |
| 123 | * returns ib qp state corresponding to given ehca qp state |
| 124 | */ |
| 125 | static inline enum ib_qp_state ehca2ib_qp_state(enum ehca_qp_state |
| 126 | ehca_qp_state) |
| 127 | { |
| 128 | switch (ehca_qp_state) { |
| 129 | case EHCA_QPS_RESET: |
| 130 | return IB_QPS_RESET; |
| 131 | case EHCA_QPS_INIT: |
| 132 | return IB_QPS_INIT; |
| 133 | case EHCA_QPS_RTR: |
| 134 | return IB_QPS_RTR; |
| 135 | case EHCA_QPS_RTS: |
| 136 | return IB_QPS_RTS; |
| 137 | case EHCA_QPS_SQD: |
| 138 | return IB_QPS_SQD; |
| 139 | case EHCA_QPS_SQE: |
| 140 | return IB_QPS_SQE; |
| 141 | case EHCA_QPS_ERR: |
| 142 | return IB_QPS_ERR; |
| 143 | default: |
| 144 | ehca_gen_err("invalid ehca_qp_state=%x", ehca_qp_state); |
| 145 | return -EINVAL; |
| 146 | } |
| 147 | } |
| 148 | |
| 149 | /* |
| 150 | * ehca_qp_type used as index for req_attr and opt_attr of |
| 151 | * struct ehca_modqp_statetrans |
| 152 | */ |
| 153 | enum ehca_qp_type { |
| 154 | QPT_RC = 0, |
| 155 | QPT_UC = 1, |
| 156 | QPT_UD = 2, |
| 157 | QPT_SQP = 3, |
| 158 | QPT_MAX |
| 159 | }; |
| 160 | |
| 161 | /* |
| 162 | * ib2ehcaqptype maps Ib to ehca qp_type |
| 163 | * returns ehca qp type corresponding to ib qp type |
| 164 | */ |
| 165 | static inline enum ehca_qp_type ib2ehcaqptype(enum ib_qp_type ibqptype) |
| 166 | { |
| 167 | switch (ibqptype) { |
| 168 | case IB_QPT_SMI: |
| 169 | case IB_QPT_GSI: |
| 170 | return QPT_SQP; |
| 171 | case IB_QPT_RC: |
| 172 | return QPT_RC; |
| 173 | case IB_QPT_UC: |
| 174 | return QPT_UC; |
| 175 | case IB_QPT_UD: |
| 176 | return QPT_UD; |
| 177 | default: |
| 178 | ehca_gen_err("Invalid ibqptype=%x", ibqptype); |
| 179 | return -EINVAL; |
| 180 | } |
| 181 | } |
| 182 | |
| 183 | static inline enum ib_qp_statetrans get_modqp_statetrans(int ib_fromstate, |
| 184 | int ib_tostate) |
| 185 | { |
| 186 | int index = -EINVAL; |
| 187 | switch (ib_tostate) { |
| 188 | case IB_QPS_RESET: |
| 189 | index = IB_QPST_ANY2RESET; |
| 190 | break; |
| 191 | case IB_QPS_INIT: |
| 192 | switch (ib_fromstate) { |
| 193 | case IB_QPS_RESET: |
| 194 | index = IB_QPST_RESET2INIT; |
| 195 | break; |
| 196 | case IB_QPS_INIT: |
| 197 | index = IB_QPST_INIT2INIT; |
| 198 | break; |
| 199 | } |
| 200 | break; |
| 201 | case IB_QPS_RTR: |
| 202 | if (ib_fromstate == IB_QPS_INIT) |
| 203 | index = IB_QPST_INIT2RTR; |
| 204 | break; |
| 205 | case IB_QPS_RTS: |
| 206 | switch (ib_fromstate) { |
| 207 | case IB_QPS_RTR: |
| 208 | index = IB_QPST_RTR2RTS; |
| 209 | break; |
| 210 | case IB_QPS_RTS: |
| 211 | index = IB_QPST_RTS2RTS; |
| 212 | break; |
| 213 | case IB_QPS_SQD: |
| 214 | index = IB_QPST_SQD2RTS; |
| 215 | break; |
| 216 | case IB_QPS_SQE: |
| 217 | index = IB_QPST_SQE2RTS; |
| 218 | break; |
| 219 | } |
| 220 | break; |
| 221 | case IB_QPS_SQD: |
| 222 | if (ib_fromstate == IB_QPS_RTS) |
| 223 | index = IB_QPST_RTS2SQD; |
| 224 | break; |
| 225 | case IB_QPS_SQE: |
| 226 | break; |
| 227 | case IB_QPS_ERR: |
| 228 | index = IB_QPST_ANY2ERR; |
| 229 | break; |
| 230 | default: |
| 231 | break; |
| 232 | } |
| 233 | return index; |
| 234 | } |
| 235 | |
Heiko J Schick | fab9722 | 2006-09-22 15:22:22 -0700 | [diff] [blame] | 236 | /* |
| 237 | * ibqptype2servicetype returns hcp service type corresponding to given |
| 238 | * ib qp type used by create_qp() |
| 239 | */ |
| 240 | static inline int ibqptype2servicetype(enum ib_qp_type ibqptype) |
| 241 | { |
| 242 | switch (ibqptype) { |
| 243 | case IB_QPT_SMI: |
| 244 | case IB_QPT_GSI: |
| 245 | return ST_UD; |
| 246 | case IB_QPT_RC: |
| 247 | return ST_RC; |
| 248 | case IB_QPT_UC: |
| 249 | return ST_UC; |
| 250 | case IB_QPT_UD: |
| 251 | return ST_UD; |
| 252 | case IB_QPT_RAW_IPV6: |
| 253 | return -EINVAL; |
| 254 | case IB_QPT_RAW_ETY: |
| 255 | return -EINVAL; |
| 256 | default: |
| 257 | ehca_gen_err("Invalid ibqptype=%x", ibqptype); |
| 258 | return -EINVAL; |
| 259 | } |
| 260 | } |
| 261 | |
| 262 | /* |
Joachim Fenkes | a6a1294 | 2007-07-09 15:25:10 +0200 | [diff] [blame] | 263 | * init userspace queue info from ipz_queue data |
| 264 | */ |
| 265 | static inline void queue2resp(struct ipzu_queue_resp *resp, |
| 266 | struct ipz_queue *queue) |
| 267 | { |
| 268 | resp->qe_size = queue->qe_size; |
| 269 | resp->act_nr_of_sg = queue->act_nr_of_sg; |
| 270 | resp->queue_length = queue->queue_length; |
| 271 | resp->pagesize = queue->pagesize; |
| 272 | resp->toggle_state = queue->toggle_state; |
Stefan Roscher | 441633b9 | 2007-09-11 15:26:33 +0200 | [diff] [blame] | 273 | resp->offset = queue->offset; |
Joachim Fenkes | a6a1294 | 2007-07-09 15:25:10 +0200 | [diff] [blame] | 274 | } |
| 275 | |
| 276 | /* |
Joachim Fenkes | 9a79fc0 | 2007-07-09 15:23:15 +0200 | [diff] [blame] | 277 | * init_qp_queue initializes/constructs r/squeue and registers queue pages. |
Heiko J Schick | fab9722 | 2006-09-22 15:22:22 -0700 | [diff] [blame] | 278 | */ |
Joachim Fenkes | 9a79fc0 | 2007-07-09 15:23:15 +0200 | [diff] [blame] | 279 | static inline int init_qp_queue(struct ehca_shca *shca, |
Stefan Roscher | e2f81da | 2007-07-20 16:04:17 +0200 | [diff] [blame] | 280 | struct ehca_pd *pd, |
Joachim Fenkes | 9a79fc0 | 2007-07-09 15:23:15 +0200 | [diff] [blame] | 281 | struct ehca_qp *my_qp, |
| 282 | struct ipz_queue *queue, |
| 283 | int q_type, |
| 284 | u64 expected_hret, |
Stefan Roscher | e2f81da | 2007-07-20 16:04:17 +0200 | [diff] [blame] | 285 | struct ehca_alloc_queue_parms *parms, |
| 286 | int wqe_size) |
Heiko J Schick | fab9722 | 2006-09-22 15:22:22 -0700 | [diff] [blame] | 287 | { |
Stefan Roscher | e2f81da | 2007-07-20 16:04:17 +0200 | [diff] [blame] | 288 | int ret, cnt, ipz_rc, nr_q_pages; |
Heiko J Schick | fab9722 | 2006-09-22 15:22:22 -0700 | [diff] [blame] | 289 | void *vpage; |
| 290 | u64 rpage, h_ret; |
| 291 | struct ib_device *ib_dev = &shca->ib_device; |
| 292 | struct ipz_adapter_handle ipz_hca_handle = shca->ipz_hca_handle; |
| 293 | |
Stefan Roscher | e2f81da | 2007-07-20 16:04:17 +0200 | [diff] [blame] | 294 | if (!parms->queue_size) |
Joachim Fenkes | 9a79fc0 | 2007-07-09 15:23:15 +0200 | [diff] [blame] | 295 | return 0; |
| 296 | |
Stefan Roscher | e2f81da | 2007-07-20 16:04:17 +0200 | [diff] [blame] | 297 | if (parms->is_small) { |
| 298 | nr_q_pages = 1; |
| 299 | ipz_rc = ipz_queue_ctor(pd, queue, nr_q_pages, |
| 300 | 128 << parms->page_size, |
| 301 | wqe_size, parms->act_nr_sges, 1); |
| 302 | } else { |
| 303 | nr_q_pages = parms->queue_size; |
| 304 | ipz_rc = ipz_queue_ctor(pd, queue, nr_q_pages, |
| 305 | EHCA_PAGESIZE, wqe_size, |
| 306 | parms->act_nr_sges, 0); |
| 307 | } |
| 308 | |
Heiko J Schick | fab9722 | 2006-09-22 15:22:22 -0700 | [diff] [blame] | 309 | if (!ipz_rc) { |
Joachim Fenkes | e372219 | 2007-09-11 15:32:22 +0200 | [diff] [blame] | 310 | ehca_err(ib_dev, "Cannot allocate page for queue. ipz_rc=%i", |
Heiko J Schick | fab9722 | 2006-09-22 15:22:22 -0700 | [diff] [blame] | 311 | ipz_rc); |
| 312 | return -EBUSY; |
| 313 | } |
| 314 | |
Joachim Fenkes | 9a79fc0 | 2007-07-09 15:23:15 +0200 | [diff] [blame] | 315 | /* register queue pages */ |
| 316 | for (cnt = 0; cnt < nr_q_pages; cnt++) { |
| 317 | vpage = ipz_qpageit_get_inc(queue); |
Heiko J Schick | fab9722 | 2006-09-22 15:22:22 -0700 | [diff] [blame] | 318 | if (!vpage) { |
Joachim Fenkes | 9a79fc0 | 2007-07-09 15:23:15 +0200 | [diff] [blame] | 319 | ehca_err(ib_dev, "ipz_qpageit_get_inc() " |
Heiko J Schick | fab9722 | 2006-09-22 15:22:22 -0700 | [diff] [blame] | 320 | "failed p_vpage= %p", vpage); |
| 321 | ret = -EINVAL; |
Joachim Fenkes | 9a79fc0 | 2007-07-09 15:23:15 +0200 | [diff] [blame] | 322 | goto init_qp_queue1; |
Heiko J Schick | fab9722 | 2006-09-22 15:22:22 -0700 | [diff] [blame] | 323 | } |
| 324 | rpage = virt_to_abs(vpage); |
| 325 | |
| 326 | h_ret = hipz_h_register_rpage_qp(ipz_hca_handle, |
| 327 | my_qp->ipz_qp_handle, |
Joachim Fenkes | 9a79fc0 | 2007-07-09 15:23:15 +0200 | [diff] [blame] | 328 | NULL, 0, q_type, |
Stefan Roscher | e2f81da | 2007-07-20 16:04:17 +0200 | [diff] [blame] | 329 | rpage, parms->is_small ? 0 : 1, |
Heiko J Schick | fab9722 | 2006-09-22 15:22:22 -0700 | [diff] [blame] | 330 | my_qp->galpas.kernel); |
Joachim Fenkes | 9a79fc0 | 2007-07-09 15:23:15 +0200 | [diff] [blame] | 331 | if (cnt == (nr_q_pages - 1)) { /* last page! */ |
| 332 | if (h_ret != expected_hret) { |
| 333 | ehca_err(ib_dev, "hipz_qp_register_rpage() " |
Stephen Rothwell | 3750f60 | 2009-01-16 14:55:28 -0800 | [diff] [blame] | 334 | "h_ret=%lli", h_ret); |
Heiko J Schick | fab9722 | 2006-09-22 15:22:22 -0700 | [diff] [blame] | 335 | ret = ehca2ib_return_code(h_ret); |
Joachim Fenkes | 9a79fc0 | 2007-07-09 15:23:15 +0200 | [diff] [blame] | 336 | goto init_qp_queue1; |
Heiko J Schick | fab9722 | 2006-09-22 15:22:22 -0700 | [diff] [blame] | 337 | } |
| 338 | vpage = ipz_qpageit_get_inc(&my_qp->ipz_rqueue); |
| 339 | if (vpage) { |
| 340 | ehca_err(ib_dev, "ipz_qpageit_get_inc() " |
| 341 | "should not succeed vpage=%p", vpage); |
| 342 | ret = -EINVAL; |
Joachim Fenkes | 9a79fc0 | 2007-07-09 15:23:15 +0200 | [diff] [blame] | 343 | goto init_qp_queue1; |
Heiko J Schick | fab9722 | 2006-09-22 15:22:22 -0700 | [diff] [blame] | 344 | } |
| 345 | } else { |
| 346 | if (h_ret != H_PAGE_REGISTERED) { |
Joachim Fenkes | 9a79fc0 | 2007-07-09 15:23:15 +0200 | [diff] [blame] | 347 | ehca_err(ib_dev, "hipz_qp_register_rpage() " |
Stephen Rothwell | 3750f60 | 2009-01-16 14:55:28 -0800 | [diff] [blame] | 348 | "h_ret=%lli", h_ret); |
Heiko J Schick | fab9722 | 2006-09-22 15:22:22 -0700 | [diff] [blame] | 349 | ret = ehca2ib_return_code(h_ret); |
Joachim Fenkes | 9a79fc0 | 2007-07-09 15:23:15 +0200 | [diff] [blame] | 350 | goto init_qp_queue1; |
Heiko J Schick | fab9722 | 2006-09-22 15:22:22 -0700 | [diff] [blame] | 351 | } |
| 352 | } |
| 353 | } |
| 354 | |
Joachim Fenkes | 9a79fc0 | 2007-07-09 15:23:15 +0200 | [diff] [blame] | 355 | ipz_qeit_reset(queue); |
Heiko J Schick | fab9722 | 2006-09-22 15:22:22 -0700 | [diff] [blame] | 356 | |
| 357 | return 0; |
| 358 | |
Joachim Fenkes | 9a79fc0 | 2007-07-09 15:23:15 +0200 | [diff] [blame] | 359 | init_qp_queue1: |
Stefan Roscher | e2f81da | 2007-07-20 16:04:17 +0200 | [diff] [blame] | 360 | ipz_queue_dtor(pd, queue); |
Heiko J Schick | fab9722 | 2006-09-22 15:22:22 -0700 | [diff] [blame] | 361 | return ret; |
| 362 | } |
| 363 | |
Stefan Roscher | e2f81da | 2007-07-20 16:04:17 +0200 | [diff] [blame] | 364 | static inline int ehca_calc_wqe_size(int act_nr_sge, int is_llqp) |
| 365 | { |
| 366 | if (is_llqp) |
| 367 | return 128 << act_nr_sge; |
| 368 | else |
| 369 | return offsetof(struct ehca_wqe, |
| 370 | u.nud.sg_list[act_nr_sge]); |
| 371 | } |
| 372 | |
| 373 | static void ehca_determine_small_queue(struct ehca_alloc_queue_parms *queue, |
| 374 | int req_nr_sge, int is_llqp) |
| 375 | { |
| 376 | u32 wqe_size, q_size; |
| 377 | int act_nr_sge = req_nr_sge; |
| 378 | |
| 379 | if (!is_llqp) |
| 380 | /* round up #SGEs so WQE size is a power of 2 */ |
| 381 | for (act_nr_sge = 4; act_nr_sge <= 252; |
| 382 | act_nr_sge = 4 + 2 * act_nr_sge) |
| 383 | if (act_nr_sge >= req_nr_sge) |
| 384 | break; |
| 385 | |
| 386 | wqe_size = ehca_calc_wqe_size(act_nr_sge, is_llqp); |
| 387 | q_size = wqe_size * (queue->max_wr + 1); |
| 388 | |
| 389 | if (q_size <= 512) |
| 390 | queue->page_size = 2; |
| 391 | else if (q_size <= 1024) |
| 392 | queue->page_size = 3; |
| 393 | else |
| 394 | queue->page_size = 0; |
| 395 | |
| 396 | queue->is_small = (queue->page_size != 0); |
| 397 | } |
| 398 | |
Alexander Schmidt | b9012e0 | 2008-09-20 20:05:21 -0700 | [diff] [blame] | 399 | /* needs to be called with cq->spinlock held */ |
| 400 | void ehca_add_to_err_list(struct ehca_qp *qp, int on_sq) |
| 401 | { |
| 402 | struct list_head *list, *node; |
| 403 | |
| 404 | /* TODO: support low latency QPs */ |
| 405 | if (qp->ext_type == EQPT_LLQP) |
| 406 | return; |
| 407 | |
| 408 | if (on_sq) { |
| 409 | list = &qp->send_cq->sqp_err_list; |
| 410 | node = &qp->sq_err_node; |
| 411 | } else { |
| 412 | list = &qp->recv_cq->rqp_err_list; |
| 413 | node = &qp->rq_err_node; |
| 414 | } |
| 415 | |
| 416 | if (list_empty(node)) |
| 417 | list_add_tail(node, list); |
| 418 | |
| 419 | return; |
| 420 | } |
| 421 | |
| 422 | static void del_from_err_list(struct ehca_cq *cq, struct list_head *node) |
| 423 | { |
| 424 | unsigned long flags; |
| 425 | |
| 426 | spin_lock_irqsave(&cq->spinlock, flags); |
| 427 | |
| 428 | if (!list_empty(node)) |
| 429 | list_del_init(node); |
| 430 | |
| 431 | spin_unlock_irqrestore(&cq->spinlock, flags); |
| 432 | } |
| 433 | |
| 434 | static void reset_queue_map(struct ehca_queue_map *qmap) |
| 435 | { |
| 436 | int i; |
| 437 | |
Stefan Roscher | 7ec4f46 | 2008-12-01 10:05:50 -0800 | [diff] [blame] | 438 | qmap->tail = qmap->entries - 1; |
| 439 | qmap->left_to_poll = 0; |
| 440 | qmap->next_wqe_idx = 0; |
| 441 | for (i = 0; i < qmap->entries; i++) { |
Alexander Schmidt | b9012e0 | 2008-09-20 20:05:21 -0700 | [diff] [blame] | 442 | qmap->map[i].reported = 1; |
Stefan Roscher | 7ec4f46 | 2008-12-01 10:05:50 -0800 | [diff] [blame] | 443 | qmap->map[i].cqe_req = 0; |
| 444 | } |
Alexander Schmidt | b9012e0 | 2008-09-20 20:05:21 -0700 | [diff] [blame] | 445 | } |
| 446 | |
Joachim Fenkes | a6a1294 | 2007-07-09 15:25:10 +0200 | [diff] [blame] | 447 | /* |
| 448 | * Create an ib_qp struct that is either a QP or an SRQ, depending on |
| 449 | * the value of the is_srq parameter. If init_attr and srq_init_attr share |
| 450 | * fields, the field out of init_attr is used. |
| 451 | */ |
Joachim Fenkes | 0c10f7b | 2007-07-19 21:40:00 +0200 | [diff] [blame] | 452 | static struct ehca_qp *internal_create_qp( |
| 453 | struct ib_pd *pd, |
| 454 | struct ib_qp_init_attr *init_attr, |
| 455 | struct ib_srq_init_attr *srq_init_attr, |
| 456 | struct ib_udata *udata, int is_srq) |
Heiko J Schick | fab9722 | 2006-09-22 15:22:22 -0700 | [diff] [blame] | 457 | { |
Alexander Schmidt | b9012e0 | 2008-09-20 20:05:21 -0700 | [diff] [blame] | 458 | struct ehca_qp *my_qp, *my_srq = NULL; |
Heiko J Schick | fab9722 | 2006-09-22 15:22:22 -0700 | [diff] [blame] | 459 | struct ehca_pd *my_pd = container_of(pd, struct ehca_pd, ib_pd); |
| 460 | struct ehca_shca *shca = container_of(pd->device, struct ehca_shca, |
| 461 | ib_device); |
| 462 | struct ib_ucontext *context = NULL; |
| 463 | u64 h_ret; |
Stefan Roscher | 1988d1f | 2009-05-13 16:52:43 -0700 | [diff] [blame] | 464 | int is_llqp = 0, has_srq = 0, is_user = 0; |
Joachim Fenkes | 9a79fc0 | 2007-07-09 15:23:15 +0200 | [diff] [blame] | 465 | int qp_type, max_send_sge, max_recv_sge, ret; |
Heiko J Schick | fab9722 | 2006-09-22 15:22:22 -0700 | [diff] [blame] | 466 | |
| 467 | /* h_call's out parameters */ |
| 468 | struct ehca_alloc_qp_parms parms; |
Joachim Fenkes | a6a1294 | 2007-07-09 15:25:10 +0200 | [diff] [blame] | 469 | u32 swqe_size = 0, rwqe_size = 0, ib_qp_num; |
Heiko J Schick | fab9722 | 2006-09-22 15:22:22 -0700 | [diff] [blame] | 470 | unsigned long flags; |
| 471 | |
Stefan Roscher | 19f4282 | 2008-10-22 15:52:31 -0700 | [diff] [blame] | 472 | if (!atomic_add_unless(&shca->num_qps, 1, shca->max_num_qps)) { |
Stefan Roscher | d227fa7 | 2008-04-29 13:46:53 -0700 | [diff] [blame] | 473 | ehca_err(pd->device, "Unable to create QP, max number of %i " |
Stefan Roscher | 19f4282 | 2008-10-22 15:52:31 -0700 | [diff] [blame] | 474 | "QPs reached.", shca->max_num_qps); |
Stefan Roscher | d227fa7 | 2008-04-29 13:46:53 -0700 | [diff] [blame] | 475 | ehca_err(pd->device, "To increase the maximum number of QPs " |
| 476 | "use the number_of_qps module parameter.\n"); |
| 477 | return ERR_PTR(-ENOSPC); |
| 478 | } |
| 479 | |
| 480 | if (init_attr->create_flags) { |
| 481 | atomic_dec(&shca->num_qps); |
Eli Cohen | b846f25 | 2008-04-16 21:09:27 -0700 | [diff] [blame] | 482 | return ERR_PTR(-EINVAL); |
Stefan Roscher | d227fa7 | 2008-04-29 13:46:53 -0700 | [diff] [blame] | 483 | } |
Eli Cohen | b846f25 | 2008-04-16 21:09:27 -0700 | [diff] [blame] | 484 | |
Joachim Fenkes | 9a79fc0 | 2007-07-09 15:23:15 +0200 | [diff] [blame] | 485 | memset(&parms, 0, sizeof(parms)); |
| 486 | qp_type = init_attr->qp_type; |
| 487 | |
Heiko J Schick | fab9722 | 2006-09-22 15:22:22 -0700 | [diff] [blame] | 488 | if (init_attr->sq_sig_type != IB_SIGNAL_REQ_WR && |
| 489 | init_attr->sq_sig_type != IB_SIGNAL_ALL_WR) { |
| 490 | ehca_err(pd->device, "init_attr->sg_sig_type=%x not allowed", |
| 491 | init_attr->sq_sig_type); |
Stefan Roscher | d227fa7 | 2008-04-29 13:46:53 -0700 | [diff] [blame] | 492 | atomic_dec(&shca->num_qps); |
Heiko J Schick | fab9722 | 2006-09-22 15:22:22 -0700 | [diff] [blame] | 493 | return ERR_PTR(-EINVAL); |
| 494 | } |
| 495 | |
Joachim Fenkes | 9a79fc0 | 2007-07-09 15:23:15 +0200 | [diff] [blame] | 496 | /* save LLQP info */ |
| 497 | if (qp_type & 0x80) { |
| 498 | is_llqp = 1; |
| 499 | parms.ext_type = EQPT_LLQP; |
| 500 | parms.ll_comp_flags = qp_type & LLQP_COMP_MASK; |
| 501 | } |
| 502 | qp_type &= 0x1F; |
Stefan Roscher | 472803d | 2007-07-09 15:26:31 +0200 | [diff] [blame] | 503 | init_attr->qp_type &= 0x1F; |
Heiko J Schick | fab9722 | 2006-09-22 15:22:22 -0700 | [diff] [blame] | 504 | |
Joachim Fenkes | a6a1294 | 2007-07-09 15:25:10 +0200 | [diff] [blame] | 505 | /* handle SRQ base QPs */ |
| 506 | if (init_attr->srq) { |
Alexander Schmidt | b9012e0 | 2008-09-20 20:05:21 -0700 | [diff] [blame] | 507 | my_srq = container_of(init_attr->srq, struct ehca_qp, ib_srq); |
Joachim Fenkes | a6a1294 | 2007-07-09 15:25:10 +0200 | [diff] [blame] | 508 | |
Hoang-Nam Nguyen | 0540bbb | 2008-10-10 14:40:39 -0700 | [diff] [blame] | 509 | if (qp_type == IB_QPT_UC) { |
| 510 | ehca_err(pd->device, "UC with SRQ not supported"); |
| 511 | atomic_dec(&shca->num_qps); |
| 512 | return ERR_PTR(-EINVAL); |
| 513 | } |
| 514 | |
Joachim Fenkes | a6a1294 | 2007-07-09 15:25:10 +0200 | [diff] [blame] | 515 | has_srq = 1; |
| 516 | parms.ext_type = EQPT_SRQBASE; |
| 517 | parms.srq_qpn = my_srq->real_qp_num; |
Joachim Fenkes | a6a1294 | 2007-07-09 15:25:10 +0200 | [diff] [blame] | 518 | } |
| 519 | |
Joachim Fenkes | 9a79fc0 | 2007-07-09 15:23:15 +0200 | [diff] [blame] | 520 | if (is_llqp && has_srq) { |
| 521 | ehca_err(pd->device, "LLQPs can't have an SRQ"); |
Stefan Roscher | d227fa7 | 2008-04-29 13:46:53 -0700 | [diff] [blame] | 522 | atomic_dec(&shca->num_qps); |
Heiko J Schick | fab9722 | 2006-09-22 15:22:22 -0700 | [diff] [blame] | 523 | return ERR_PTR(-EINVAL); |
| 524 | } |
Joachim Fenkes | 9a79fc0 | 2007-07-09 15:23:15 +0200 | [diff] [blame] | 525 | |
Joachim Fenkes | a6a1294 | 2007-07-09 15:25:10 +0200 | [diff] [blame] | 526 | /* handle SRQs */ |
| 527 | if (is_srq) { |
| 528 | parms.ext_type = EQPT_SRQ; |
| 529 | parms.srq_limit = srq_init_attr->attr.srq_limit; |
| 530 | if (init_attr->cap.max_recv_sge > 3) { |
| 531 | ehca_err(pd->device, "no more than three SGEs " |
| 532 | "supported for SRQ pd=%p max_sge=%x", |
| 533 | pd, init_attr->cap.max_recv_sge); |
Stefan Roscher | d227fa7 | 2008-04-29 13:46:53 -0700 | [diff] [blame] | 534 | atomic_dec(&shca->num_qps); |
Joachim Fenkes | a6a1294 | 2007-07-09 15:25:10 +0200 | [diff] [blame] | 535 | return ERR_PTR(-EINVAL); |
| 536 | } |
| 537 | } |
| 538 | |
Joachim Fenkes | 9a79fc0 | 2007-07-09 15:23:15 +0200 | [diff] [blame] | 539 | /* check QP type */ |
| 540 | if (qp_type != IB_QPT_UD && |
| 541 | qp_type != IB_QPT_UC && |
| 542 | qp_type != IB_QPT_RC && |
| 543 | qp_type != IB_QPT_SMI && |
| 544 | qp_type != IB_QPT_GSI) { |
| 545 | ehca_err(pd->device, "wrong QP Type=%x", qp_type); |
Stefan Roscher | d227fa7 | 2008-04-29 13:46:53 -0700 | [diff] [blame] | 546 | atomic_dec(&shca->num_qps); |
Heiko J Schick | fab9722 | 2006-09-22 15:22:22 -0700 | [diff] [blame] | 547 | return ERR_PTR(-EINVAL); |
Joachim Fenkes | 9a79fc0 | 2007-07-09 15:23:15 +0200 | [diff] [blame] | 548 | } |
| 549 | |
Stefan Roscher | 472803d | 2007-07-09 15:26:31 +0200 | [diff] [blame] | 550 | if (is_llqp) { |
| 551 | switch (qp_type) { |
| 552 | case IB_QPT_RC: |
| 553 | if ((init_attr->cap.max_send_wr > 255) || |
| 554 | (init_attr->cap.max_recv_wr > 255)) { |
| 555 | ehca_err(pd->device, |
| 556 | "Invalid Number of max_sq_wr=%x " |
| 557 | "or max_rq_wr=%x for RC LLQP", |
| 558 | init_attr->cap.max_send_wr, |
| 559 | init_attr->cap.max_recv_wr); |
Stefan Roscher | d227fa7 | 2008-04-29 13:46:53 -0700 | [diff] [blame] | 560 | atomic_dec(&shca->num_qps); |
Stefan Roscher | 472803d | 2007-07-09 15:26:31 +0200 | [diff] [blame] | 561 | return ERR_PTR(-EINVAL); |
| 562 | } |
| 563 | break; |
| 564 | case IB_QPT_UD: |
| 565 | if (!EHCA_BMASK_GET(HCA_CAP_UD_LL_QP, shca->hca_cap)) { |
| 566 | ehca_err(pd->device, "UD LLQP not supported " |
| 567 | "by this adapter"); |
Stefan Roscher | d227fa7 | 2008-04-29 13:46:53 -0700 | [diff] [blame] | 568 | atomic_dec(&shca->num_qps); |
Stefan Roscher | 472803d | 2007-07-09 15:26:31 +0200 | [diff] [blame] | 569 | return ERR_PTR(-ENOSYS); |
| 570 | } |
| 571 | if (!(init_attr->cap.max_send_sge <= 5 |
| 572 | && init_attr->cap.max_send_sge >= 1 |
| 573 | && init_attr->cap.max_recv_sge <= 5 |
| 574 | && init_attr->cap.max_recv_sge >= 1)) { |
| 575 | ehca_err(pd->device, |
| 576 | "Invalid Number of max_send_sge=%x " |
| 577 | "or max_recv_sge=%x for UD LLQP", |
| 578 | init_attr->cap.max_send_sge, |
| 579 | init_attr->cap.max_recv_sge); |
Stefan Roscher | d227fa7 | 2008-04-29 13:46:53 -0700 | [diff] [blame] | 580 | atomic_dec(&shca->num_qps); |
Stefan Roscher | 472803d | 2007-07-09 15:26:31 +0200 | [diff] [blame] | 581 | return ERR_PTR(-EINVAL); |
| 582 | } else if (init_attr->cap.max_send_wr > 255) { |
| 583 | ehca_err(pd->device, |
| 584 | "Invalid Number of " |
Joachim Fenkes | b708fba | 2007-09-11 15:33:40 +0200 | [diff] [blame] | 585 | "max_send_wr=%x for UD QP_TYPE=%x", |
Stefan Roscher | 472803d | 2007-07-09 15:26:31 +0200 | [diff] [blame] | 586 | init_attr->cap.max_send_wr, qp_type); |
Stefan Roscher | d227fa7 | 2008-04-29 13:46:53 -0700 | [diff] [blame] | 587 | atomic_dec(&shca->num_qps); |
Stefan Roscher | 472803d | 2007-07-09 15:26:31 +0200 | [diff] [blame] | 588 | return ERR_PTR(-EINVAL); |
| 589 | } |
| 590 | break; |
| 591 | default: |
| 592 | ehca_err(pd->device, "unsupported LL QP Type=%x", |
| 593 | qp_type); |
Stefan Roscher | d227fa7 | 2008-04-29 13:46:53 -0700 | [diff] [blame] | 594 | atomic_dec(&shca->num_qps); |
Stefan Roscher | 472803d | 2007-07-09 15:26:31 +0200 | [diff] [blame] | 595 | return ERR_PTR(-EINVAL); |
Stefan Roscher | 472803d | 2007-07-09 15:26:31 +0200 | [diff] [blame] | 596 | } |
Joachim Fenkes | b708fba | 2007-09-11 15:33:40 +0200 | [diff] [blame] | 597 | } else { |
| 598 | int max_sge = (qp_type == IB_QPT_UD || qp_type == IB_QPT_SMI |
| 599 | || qp_type == IB_QPT_GSI) ? 250 : 252; |
| 600 | |
| 601 | if (init_attr->cap.max_send_sge > max_sge |
| 602 | || init_attr->cap.max_recv_sge > max_sge) { |
| 603 | ehca_err(pd->device, "Invalid number of SGEs requested " |
| 604 | "send_sge=%x recv_sge=%x max_sge=%x", |
| 605 | init_attr->cap.max_send_sge, |
| 606 | init_attr->cap.max_recv_sge, max_sge); |
Stefan Roscher | d227fa7 | 2008-04-29 13:46:53 -0700 | [diff] [blame] | 607 | atomic_dec(&shca->num_qps); |
Joachim Fenkes | b708fba | 2007-09-11 15:33:40 +0200 | [diff] [blame] | 608 | return ERR_PTR(-EINVAL); |
| 609 | } |
Heiko J Schick | fab9722 | 2006-09-22 15:22:22 -0700 | [diff] [blame] | 610 | } |
| 611 | |
Robert P. J. Day | c376222 | 2007-02-10 01:45:03 -0800 | [diff] [blame] | 612 | my_qp = kmem_cache_zalloc(qp_cache, GFP_KERNEL); |
Heiko J Schick | fab9722 | 2006-09-22 15:22:22 -0700 | [diff] [blame] | 613 | if (!my_qp) { |
| 614 | ehca_err(pd->device, "pd=%p not enough memory to alloc qp", pd); |
Stefan Roscher | d227fa7 | 2008-04-29 13:46:53 -0700 | [diff] [blame] | 615 | atomic_dec(&shca->num_qps); |
Heiko J Schick | fab9722 | 2006-09-22 15:22:22 -0700 | [diff] [blame] | 616 | return ERR_PTR(-ENOMEM); |
| 617 | } |
| 618 | |
Stefan Roscher | 1988d1f | 2009-05-13 16:52:43 -0700 | [diff] [blame] | 619 | if (pd->uobject && udata) { |
| 620 | is_user = 1; |
| 621 | context = pd->uobject->context; |
| 622 | } |
| 623 | |
Stefan Roscher | 12137c5 | 2008-05-07 11:35:06 -0700 | [diff] [blame] | 624 | atomic_set(&my_qp->nr_events, 0); |
| 625 | init_waitqueue_head(&my_qp->wait_completion); |
Heiko J Schick | fab9722 | 2006-09-22 15:22:22 -0700 | [diff] [blame] | 626 | spin_lock_init(&my_qp->spinlock_s); |
| 627 | spin_lock_init(&my_qp->spinlock_r); |
Joachim Fenkes | a6a1294 | 2007-07-09 15:25:10 +0200 | [diff] [blame] | 628 | my_qp->qp_type = qp_type; |
| 629 | my_qp->ext_type = parms.ext_type; |
Joachim Fenkes | 863fb09 | 2008-04-23 11:55:45 -0700 | [diff] [blame] | 630 | my_qp->state = IB_QPS_RESET; |
Heiko J Schick | fab9722 | 2006-09-22 15:22:22 -0700 | [diff] [blame] | 631 | |
Joachim Fenkes | a6a1294 | 2007-07-09 15:25:10 +0200 | [diff] [blame] | 632 | if (init_attr->recv_cq) |
| 633 | my_qp->recv_cq = |
| 634 | container_of(init_attr->recv_cq, struct ehca_cq, ib_cq); |
| 635 | if (init_attr->send_cq) |
| 636 | my_qp->send_cq = |
| 637 | container_of(init_attr->send_cq, struct ehca_cq, ib_cq); |
Heiko J Schick | fab9722 | 2006-09-22 15:22:22 -0700 | [diff] [blame] | 638 | |
Heiko J Schick | fab9722 | 2006-09-22 15:22:22 -0700 | [diff] [blame] | 639 | do { |
| 640 | if (!idr_pre_get(&ehca_qp_idr, GFP_KERNEL)) { |
| 641 | ret = -ENOMEM; |
| 642 | ehca_err(pd->device, "Can't reserve idr resources."); |
| 643 | goto create_qp_exit0; |
| 644 | } |
| 645 | |
Joachim Fenkes | 26ed687 | 2007-07-09 15:31:10 +0200 | [diff] [blame] | 646 | write_lock_irqsave(&ehca_qp_idr_lock, flags); |
Heiko J Schick | fab9722 | 2006-09-22 15:22:22 -0700 | [diff] [blame] | 647 | ret = idr_get_new(&ehca_qp_idr, my_qp, &my_qp->token); |
Joachim Fenkes | 26ed687 | 2007-07-09 15:31:10 +0200 | [diff] [blame] | 648 | write_unlock_irqrestore(&ehca_qp_idr_lock, flags); |
Heiko J Schick | fab9722 | 2006-09-22 15:22:22 -0700 | [diff] [blame] | 649 | } while (ret == -EAGAIN); |
| 650 | |
| 651 | if (ret) { |
| 652 | ret = -ENOMEM; |
| 653 | ehca_err(pd->device, "Can't allocate new idr entry."); |
| 654 | goto create_qp_exit0; |
| 655 | } |
| 656 | |
Stefan Roscher | 5281a4b | 2007-09-11 15:29:39 +0200 | [diff] [blame] | 657 | if (my_qp->token > 0x1FFFFFF) { |
| 658 | ret = -EINVAL; |
| 659 | ehca_err(pd->device, "Invalid number of qp"); |
| 660 | goto create_qp_exit1; |
| 661 | } |
| 662 | |
Joachim Fenkes | c0c84d5 | 2007-10-16 17:24:07 +0200 | [diff] [blame] | 663 | if (has_srq) |
| 664 | parms.srq_token = my_qp->token; |
| 665 | |
Joachim Fenkes | 9a79fc0 | 2007-07-09 15:23:15 +0200 | [diff] [blame] | 666 | parms.servicetype = ibqptype2servicetype(qp_type); |
Heiko J Schick | fab9722 | 2006-09-22 15:22:22 -0700 | [diff] [blame] | 667 | if (parms.servicetype < 0) { |
| 668 | ret = -EINVAL; |
Joachim Fenkes | 9a79fc0 | 2007-07-09 15:23:15 +0200 | [diff] [blame] | 669 | ehca_err(pd->device, "Invalid qp_type=%x", qp_type); |
Stefan Roscher | 5281a4b | 2007-09-11 15:29:39 +0200 | [diff] [blame] | 670 | goto create_qp_exit1; |
Heiko J Schick | fab9722 | 2006-09-22 15:22:22 -0700 | [diff] [blame] | 671 | } |
| 672 | |
Joachim Fenkes | 2ec8e662 | 2008-01-17 15:07:24 +0100 | [diff] [blame] | 673 | /* Always signal by WQE so we can hide circ. WQEs */ |
| 674 | parms.sigtype = HCALL_SIGT_BY_WQE; |
Heiko J Schick | fab9722 | 2006-09-22 15:22:22 -0700 | [diff] [blame] | 675 | |
| 676 | /* UD_AV CIRCUMVENTION */ |
| 677 | max_send_sge = init_attr->cap.max_send_sge; |
| 678 | max_recv_sge = init_attr->cap.max_recv_sge; |
Stefan Roscher | 472803d | 2007-07-09 15:26:31 +0200 | [diff] [blame] | 679 | if (parms.servicetype == ST_UD && !is_llqp) { |
Heiko J Schick | fab9722 | 2006-09-22 15:22:22 -0700 | [diff] [blame] | 680 | max_send_sge += 2; |
| 681 | max_recv_sge += 2; |
| 682 | } |
| 683 | |
Joachim Fenkes | 9a79fc0 | 2007-07-09 15:23:15 +0200 | [diff] [blame] | 684 | parms.token = my_qp->token; |
| 685 | parms.eq_handle = shca->eq.ipz_eq_handle; |
Heiko J Schick | fab9722 | 2006-09-22 15:22:22 -0700 | [diff] [blame] | 686 | parms.pd = my_pd->fw_pd; |
Joachim Fenkes | a6a1294 | 2007-07-09 15:25:10 +0200 | [diff] [blame] | 687 | if (my_qp->send_cq) |
| 688 | parms.send_cq_handle = my_qp->send_cq->ipz_cq_handle; |
| 689 | if (my_qp->recv_cq) |
| 690 | parms.recv_cq_handle = my_qp->recv_cq->ipz_cq_handle; |
Joachim Fenkes | 9a79fc0 | 2007-07-09 15:23:15 +0200 | [diff] [blame] | 691 | |
Stefan Roscher | e2f81da | 2007-07-20 16:04:17 +0200 | [diff] [blame] | 692 | parms.squeue.max_wr = init_attr->cap.max_send_wr; |
| 693 | parms.rqueue.max_wr = init_attr->cap.max_recv_wr; |
| 694 | parms.squeue.max_sge = max_send_sge; |
| 695 | parms.rqueue.max_sge = max_recv_sge; |
| 696 | |
Joachim Fenkes | 2ec8e662 | 2008-01-17 15:07:24 +0100 | [diff] [blame] | 697 | /* RC QPs need one more SWQE for unsolicited ack circumvention */ |
| 698 | if (qp_type == IB_QPT_RC) |
| 699 | parms.squeue.max_wr++; |
| 700 | |
Stefan Roscher | 441633b9 | 2007-09-11 15:26:33 +0200 | [diff] [blame] | 701 | if (EHCA_BMASK_GET(HCA_CAP_MINI_QP, shca->hca_cap)) { |
Stefan Roscher | fecea0a | 2007-08-31 16:02:59 +0200 | [diff] [blame] | 702 | if (HAS_SQ(my_qp)) |
| 703 | ehca_determine_small_queue( |
| 704 | &parms.squeue, max_send_sge, is_llqp); |
| 705 | if (HAS_RQ(my_qp)) |
| 706 | ehca_determine_small_queue( |
| 707 | &parms.rqueue, max_recv_sge, is_llqp); |
Stefan Roscher | e2f81da | 2007-07-20 16:04:17 +0200 | [diff] [blame] | 708 | parms.qp_storage = |
| 709 | (parms.squeue.is_small || parms.rqueue.is_small); |
| 710 | } |
Heiko J Schick | fab9722 | 2006-09-22 15:22:22 -0700 | [diff] [blame] | 711 | |
Stefan Roscher | 1988d1f | 2009-05-13 16:52:43 -0700 | [diff] [blame] | 712 | h_ret = hipz_h_alloc_resource_qp(shca->ipz_hca_handle, &parms, is_user); |
Heiko J Schick | fab9722 | 2006-09-22 15:22:22 -0700 | [diff] [blame] | 713 | if (h_ret != H_SUCCESS) { |
Stephen Rothwell | 3750f60 | 2009-01-16 14:55:28 -0800 | [diff] [blame] | 714 | ehca_err(pd->device, "h_alloc_resource_qp() failed h_ret=%lli", |
Heiko J Schick | fab9722 | 2006-09-22 15:22:22 -0700 | [diff] [blame] | 715 | h_ret); |
| 716 | ret = ehca2ib_return_code(h_ret); |
| 717 | goto create_qp_exit1; |
| 718 | } |
| 719 | |
Joachim Fenkes | a6a1294 | 2007-07-09 15:25:10 +0200 | [diff] [blame] | 720 | ib_qp_num = my_qp->real_qp_num = parms.real_qp_num; |
Joachim Fenkes | 9a79fc0 | 2007-07-09 15:23:15 +0200 | [diff] [blame] | 721 | my_qp->ipz_qp_handle = parms.qp_handle; |
| 722 | my_qp->galpas = parms.galpas; |
Hoang-Nam Nguyen | c55a0dd | 2007-05-09 13:48:11 +0200 | [diff] [blame] | 723 | |
Stefan Roscher | e2f81da | 2007-07-20 16:04:17 +0200 | [diff] [blame] | 724 | swqe_size = ehca_calc_wqe_size(parms.squeue.act_nr_sges, is_llqp); |
| 725 | rwqe_size = ehca_calc_wqe_size(parms.rqueue.act_nr_sges, is_llqp); |
| 726 | |
Joachim Fenkes | 9a79fc0 | 2007-07-09 15:23:15 +0200 | [diff] [blame] | 727 | switch (qp_type) { |
Heiko J Schick | fab9722 | 2006-09-22 15:22:22 -0700 | [diff] [blame] | 728 | case IB_QPT_RC: |
Stefan Roscher | e2f81da | 2007-07-20 16:04:17 +0200 | [diff] [blame] | 729 | if (is_llqp) { |
| 730 | parms.squeue.act_nr_sges = 1; |
| 731 | parms.rqueue.act_nr_sges = 1; |
Heiko J Schick | fab9722 | 2006-09-22 15:22:22 -0700 | [diff] [blame] | 732 | } |
Joachim Fenkes | 2ec8e662 | 2008-01-17 15:07:24 +0100 | [diff] [blame] | 733 | /* hide the extra WQE */ |
| 734 | parms.squeue.act_nr_wqes--; |
Heiko J Schick | fab9722 | 2006-09-22 15:22:22 -0700 | [diff] [blame] | 735 | break; |
Heiko J Schick | fab9722 | 2006-09-22 15:22:22 -0700 | [diff] [blame] | 736 | case IB_QPT_UD: |
| 737 | case IB_QPT_GSI: |
| 738 | case IB_QPT_SMI: |
Stefan Roscher | e2f81da | 2007-07-20 16:04:17 +0200 | [diff] [blame] | 739 | /* UD circumvention */ |
Joachim Fenkes | 9a79fc0 | 2007-07-09 15:23:15 +0200 | [diff] [blame] | 740 | if (is_llqp) { |
Stefan Roscher | e2f81da | 2007-07-20 16:04:17 +0200 | [diff] [blame] | 741 | parms.squeue.act_nr_sges = 1; |
| 742 | parms.rqueue.act_nr_sges = 1; |
Heiko J Schick | fab9722 | 2006-09-22 15:22:22 -0700 | [diff] [blame] | 743 | } else { |
Stefan Roscher | e2f81da | 2007-07-20 16:04:17 +0200 | [diff] [blame] | 744 | parms.squeue.act_nr_sges -= 2; |
| 745 | parms.rqueue.act_nr_sges -= 2; |
Heiko J Schick | fab9722 | 2006-09-22 15:22:22 -0700 | [diff] [blame] | 746 | } |
| 747 | |
Joachim Fenkes | 9a79fc0 | 2007-07-09 15:23:15 +0200 | [diff] [blame] | 748 | if (IB_QPT_GSI == qp_type || IB_QPT_SMI == qp_type) { |
Stefan Roscher | e2f81da | 2007-07-20 16:04:17 +0200 | [diff] [blame] | 749 | parms.squeue.act_nr_wqes = init_attr->cap.max_send_wr; |
| 750 | parms.rqueue.act_nr_wqes = init_attr->cap.max_recv_wr; |
| 751 | parms.squeue.act_nr_sges = init_attr->cap.max_send_sge; |
| 752 | parms.rqueue.act_nr_sges = init_attr->cap.max_recv_sge; |
Joachim Fenkes | a6a1294 | 2007-07-09 15:25:10 +0200 | [diff] [blame] | 753 | ib_qp_num = (qp_type == IB_QPT_SMI) ? 0 : 1; |
Heiko J Schick | fab9722 | 2006-09-22 15:22:22 -0700 | [diff] [blame] | 754 | } |
| 755 | |
| 756 | break; |
| 757 | |
| 758 | default: |
| 759 | break; |
| 760 | } |
| 761 | |
Joachim Fenkes | 9a79fc0 | 2007-07-09 15:23:15 +0200 | [diff] [blame] | 762 | /* initialize r/squeue and register queue pages */ |
Joachim Fenkes | a6a1294 | 2007-07-09 15:25:10 +0200 | [diff] [blame] | 763 | if (HAS_SQ(my_qp)) { |
| 764 | ret = init_qp_queue( |
Stefan Roscher | e2f81da | 2007-07-20 16:04:17 +0200 | [diff] [blame] | 765 | shca, my_pd, my_qp, &my_qp->ipz_squeue, 0, |
Joachim Fenkes | a6a1294 | 2007-07-09 15:25:10 +0200 | [diff] [blame] | 766 | HAS_RQ(my_qp) ? H_PAGE_REGISTERED : H_SUCCESS, |
Stefan Roscher | e2f81da | 2007-07-20 16:04:17 +0200 | [diff] [blame] | 767 | &parms.squeue, swqe_size); |
Joachim Fenkes | a6a1294 | 2007-07-09 15:25:10 +0200 | [diff] [blame] | 768 | if (ret) { |
| 769 | ehca_err(pd->device, "Couldn't initialize squeue " |
Joachim Fenkes | e372219 | 2007-09-11 15:32:22 +0200 | [diff] [blame] | 770 | "and pages ret=%i", ret); |
Joachim Fenkes | a6a1294 | 2007-07-09 15:25:10 +0200 | [diff] [blame] | 771 | goto create_qp_exit2; |
| 772 | } |
Alexander Schmidt | b9012e0 | 2008-09-20 20:05:21 -0700 | [diff] [blame] | 773 | |
Stefan Roscher | 1988d1f | 2009-05-13 16:52:43 -0700 | [diff] [blame] | 774 | if (!is_user) { |
| 775 | my_qp->sq_map.entries = my_qp->ipz_squeue.queue_length / |
| 776 | my_qp->ipz_squeue.qe_size; |
| 777 | my_qp->sq_map.map = vmalloc(my_qp->sq_map.entries * |
| 778 | sizeof(struct ehca_qmap_entry)); |
| 779 | if (!my_qp->sq_map.map) { |
| 780 | ehca_err(pd->device, "Couldn't allocate squeue " |
| 781 | "map ret=%i", ret); |
| 782 | goto create_qp_exit3; |
| 783 | } |
| 784 | INIT_LIST_HEAD(&my_qp->sq_err_node); |
| 785 | /* to avoid the generation of bogus flush CQEs */ |
| 786 | reset_queue_map(&my_qp->sq_map); |
Alexander Schmidt | 6773f07 | 2008-08-12 15:46:30 +0200 | [diff] [blame] | 787 | } |
Heiko J Schick | fab9722 | 2006-09-22 15:22:22 -0700 | [diff] [blame] | 788 | } |
| 789 | |
Joachim Fenkes | a6a1294 | 2007-07-09 15:25:10 +0200 | [diff] [blame] | 790 | if (HAS_RQ(my_qp)) { |
| 791 | ret = init_qp_queue( |
Stefan Roscher | e2f81da | 2007-07-20 16:04:17 +0200 | [diff] [blame] | 792 | shca, my_pd, my_qp, &my_qp->ipz_rqueue, 1, |
| 793 | H_SUCCESS, &parms.rqueue, rwqe_size); |
Joachim Fenkes | a6a1294 | 2007-07-09 15:25:10 +0200 | [diff] [blame] | 794 | if (ret) { |
| 795 | ehca_err(pd->device, "Couldn't initialize rqueue " |
Joachim Fenkes | e372219 | 2007-09-11 15:32:22 +0200 | [diff] [blame] | 796 | "and pages ret=%i", ret); |
Alexander Schmidt | 6773f07 | 2008-08-12 15:46:30 +0200 | [diff] [blame] | 797 | goto create_qp_exit4; |
Joachim Fenkes | a6a1294 | 2007-07-09 15:25:10 +0200 | [diff] [blame] | 798 | } |
Stefan Roscher | 1988d1f | 2009-05-13 16:52:43 -0700 | [diff] [blame] | 799 | if (!is_user) { |
| 800 | my_qp->rq_map.entries = my_qp->ipz_rqueue.queue_length / |
| 801 | my_qp->ipz_rqueue.qe_size; |
| 802 | my_qp->rq_map.map = vmalloc(my_qp->rq_map.entries * |
| 803 | sizeof(struct ehca_qmap_entry)); |
| 804 | if (!my_qp->rq_map.map) { |
| 805 | ehca_err(pd->device, "Couldn't allocate squeue " |
| 806 | "map ret=%i", ret); |
| 807 | goto create_qp_exit5; |
| 808 | } |
| 809 | INIT_LIST_HEAD(&my_qp->rq_err_node); |
| 810 | /* to avoid the generation of bogus flush CQEs */ |
| 811 | reset_queue_map(&my_qp->rq_map); |
Alexander Schmidt | b9012e0 | 2008-09-20 20:05:21 -0700 | [diff] [blame] | 812 | } |
Stefan Roscher | 1988d1f | 2009-05-13 16:52:43 -0700 | [diff] [blame] | 813 | } else if (init_attr->srq && !is_user) { |
Alexander Schmidt | b9012e0 | 2008-09-20 20:05:21 -0700 | [diff] [blame] | 814 | /* this is a base QP, use the queue map of the SRQ */ |
| 815 | my_qp->rq_map = my_srq->rq_map; |
| 816 | INIT_LIST_HEAD(&my_qp->rq_err_node); |
| 817 | |
| 818 | my_qp->ipz_rqueue = my_srq->ipz_rqueue; |
Joachim Fenkes | 9a79fc0 | 2007-07-09 15:23:15 +0200 | [diff] [blame] | 819 | } |
| 820 | |
Joachim Fenkes | a6a1294 | 2007-07-09 15:25:10 +0200 | [diff] [blame] | 821 | if (is_srq) { |
| 822 | my_qp->ib_srq.pd = &my_pd->ib_pd; |
| 823 | my_qp->ib_srq.device = my_pd->ib_pd.device; |
Heiko J Schick | fab9722 | 2006-09-22 15:22:22 -0700 | [diff] [blame] | 824 | |
Joachim Fenkes | a6a1294 | 2007-07-09 15:25:10 +0200 | [diff] [blame] | 825 | my_qp->ib_srq.srq_context = init_attr->qp_context; |
| 826 | my_qp->ib_srq.event_handler = init_attr->event_handler; |
| 827 | } else { |
| 828 | my_qp->ib_qp.qp_num = ib_qp_num; |
| 829 | my_qp->ib_qp.pd = &my_pd->ib_pd; |
| 830 | my_qp->ib_qp.device = my_pd->ib_pd.device; |
Heiko J Schick | fab9722 | 2006-09-22 15:22:22 -0700 | [diff] [blame] | 831 | |
Joachim Fenkes | a6a1294 | 2007-07-09 15:25:10 +0200 | [diff] [blame] | 832 | my_qp->ib_qp.recv_cq = init_attr->recv_cq; |
| 833 | my_qp->ib_qp.send_cq = init_attr->send_cq; |
Heiko J Schick | fab9722 | 2006-09-22 15:22:22 -0700 | [diff] [blame] | 834 | |
Joachim Fenkes | a6a1294 | 2007-07-09 15:25:10 +0200 | [diff] [blame] | 835 | my_qp->ib_qp.qp_type = qp_type; |
| 836 | my_qp->ib_qp.srq = init_attr->srq; |
| 837 | |
| 838 | my_qp->ib_qp.qp_context = init_attr->qp_context; |
| 839 | my_qp->ib_qp.event_handler = init_attr->event_handler; |
| 840 | } |
Heiko J Schick | fab9722 | 2006-09-22 15:22:22 -0700 | [diff] [blame] | 841 | |
| 842 | init_attr->cap.max_inline_data = 0; /* not supported yet */ |
Stefan Roscher | e2f81da | 2007-07-20 16:04:17 +0200 | [diff] [blame] | 843 | init_attr->cap.max_recv_sge = parms.rqueue.act_nr_sges; |
| 844 | init_attr->cap.max_recv_wr = parms.rqueue.act_nr_wqes; |
| 845 | init_attr->cap.max_send_sge = parms.squeue.act_nr_sges; |
| 846 | init_attr->cap.max_send_wr = parms.squeue.act_nr_wqes; |
Joachim Fenkes | 9a79fc0 | 2007-07-09 15:23:15 +0200 | [diff] [blame] | 847 | my_qp->init_attr = *init_attr; |
Heiko J Schick | fab9722 | 2006-09-22 15:22:22 -0700 | [diff] [blame] | 848 | |
Hoang-Nam Nguyen | bbdd267 | 2008-01-17 15:05:45 +0100 | [diff] [blame] | 849 | if (qp_type == IB_QPT_SMI || qp_type == IB_QPT_GSI) { |
| 850 | shca->sport[init_attr->port_num - 1].ibqp_sqp[qp_type] = |
| 851 | &my_qp->ib_qp; |
| 852 | if (ehca_nr_ports < 0) { |
| 853 | /* alloc array to cache subsequent modify qp parms |
| 854 | * for autodetect mode |
| 855 | */ |
| 856 | my_qp->mod_qp_parm = |
| 857 | kzalloc(EHCA_MOD_QP_PARM_MAX * |
| 858 | sizeof(*my_qp->mod_qp_parm), |
| 859 | GFP_KERNEL); |
| 860 | if (!my_qp->mod_qp_parm) { |
| 861 | ehca_err(pd->device, |
| 862 | "Could not alloc mod_qp_parm"); |
Alexander Schmidt | 6773f07 | 2008-08-12 15:46:30 +0200 | [diff] [blame] | 863 | goto create_qp_exit5; |
Hoang-Nam Nguyen | bbdd267 | 2008-01-17 15:05:45 +0100 | [diff] [blame] | 864 | } |
| 865 | } |
| 866 | } |
| 867 | |
Heiko J Schick | fab9722 | 2006-09-22 15:22:22 -0700 | [diff] [blame] | 868 | /* NOTE: define_apq0() not supported yet */ |
Joachim Fenkes | 9a79fc0 | 2007-07-09 15:23:15 +0200 | [diff] [blame] | 869 | if (qp_type == IB_QPT_GSI) { |
Heiko J Schick | fab9722 | 2006-09-22 15:22:22 -0700 | [diff] [blame] | 870 | h_ret = ehca_define_sqp(shca, my_qp, init_attr); |
| 871 | if (h_ret != H_SUCCESS) { |
Stefan Roscher | fad96ab | 2008-11-11 15:44:22 -0800 | [diff] [blame] | 872 | kfree(my_qp->mod_qp_parm); |
| 873 | my_qp->mod_qp_parm = NULL; |
| 874 | /* the QP pointer is no longer valid */ |
| 875 | shca->sport[init_attr->port_num - 1].ibqp_sqp[qp_type] = |
| 876 | NULL; |
Heiko J Schick | fab9722 | 2006-09-22 15:22:22 -0700 | [diff] [blame] | 877 | ret = ehca2ib_return_code(h_ret); |
Alexander Schmidt | 6773f07 | 2008-08-12 15:46:30 +0200 | [diff] [blame] | 878 | goto create_qp_exit6; |
Heiko J Schick | fab9722 | 2006-09-22 15:22:22 -0700 | [diff] [blame] | 879 | } |
| 880 | } |
Joachim Fenkes | a6a1294 | 2007-07-09 15:25:10 +0200 | [diff] [blame] | 881 | |
| 882 | if (my_qp->send_cq) { |
| 883 | ret = ehca_cq_assign_qp(my_qp->send_cq, my_qp); |
Heiko J Schick | fab9722 | 2006-09-22 15:22:22 -0700 | [diff] [blame] | 884 | if (ret) { |
Hoang-Nam Nguyen | 2b94397 | 2007-07-12 17:53:47 +0200 | [diff] [blame] | 885 | ehca_err(pd->device, |
Joachim Fenkes | e372219 | 2007-09-11 15:32:22 +0200 | [diff] [blame] | 886 | "Couldn't assign qp to send_cq ret=%i", ret); |
Alexander Schmidt | b9012e0 | 2008-09-20 20:05:21 -0700 | [diff] [blame] | 887 | goto create_qp_exit7; |
Heiko J Schick | fab9722 | 2006-09-22 15:22:22 -0700 | [diff] [blame] | 888 | } |
Heiko J Schick | fab9722 | 2006-09-22 15:22:22 -0700 | [diff] [blame] | 889 | } |
Joachim Fenkes | a6a1294 | 2007-07-09 15:25:10 +0200 | [diff] [blame] | 890 | |
Heiko J Schick | fab9722 | 2006-09-22 15:22:22 -0700 | [diff] [blame] | 891 | /* copy queues, galpa data to user space */ |
| 892 | if (context && udata) { |
Heiko J Schick | fab9722 | 2006-09-22 15:22:22 -0700 | [diff] [blame] | 893 | struct ehca_create_qp_resp resp; |
Heiko J Schick | fab9722 | 2006-09-22 15:22:22 -0700 | [diff] [blame] | 894 | memset(&resp, 0, sizeof(resp)); |
| 895 | |
| 896 | resp.qp_num = my_qp->real_qp_num; |
| 897 | resp.token = my_qp->token; |
| 898 | resp.qp_type = my_qp->qp_type; |
Joachim Fenkes | a6a1294 | 2007-07-09 15:25:10 +0200 | [diff] [blame] | 899 | resp.ext_type = my_qp->ext_type; |
Heiko J Schick | fab9722 | 2006-09-22 15:22:22 -0700 | [diff] [blame] | 900 | resp.qkey = my_qp->qkey; |
| 901 | resp.real_qp_num = my_qp->real_qp_num; |
Stefan Roscher | 441633b9 | 2007-09-11 15:26:33 +0200 | [diff] [blame] | 902 | |
Joachim Fenkes | a6a1294 | 2007-07-09 15:25:10 +0200 | [diff] [blame] | 903 | if (HAS_SQ(my_qp)) |
| 904 | queue2resp(&resp.ipz_squeue, &my_qp->ipz_squeue); |
| 905 | if (HAS_RQ(my_qp)) |
| 906 | queue2resp(&resp.ipz_rqueue, &my_qp->ipz_rqueue); |
Hoang-Nam Nguyen | e390d3b | 2007-09-11 15:31:06 +0200 | [diff] [blame] | 907 | resp.fw_handle_ofs = (u32) |
| 908 | (my_qp->galpas.user.fw_handle & (PAGE_SIZE - 1)); |
Joachim Fenkes | a6a1294 | 2007-07-09 15:25:10 +0200 | [diff] [blame] | 909 | |
Heiko J Schick | fab9722 | 2006-09-22 15:22:22 -0700 | [diff] [blame] | 910 | if (ib_copy_to_udata(udata, &resp, sizeof resp)) { |
| 911 | ehca_err(pd->device, "Copy to udata failed"); |
| 912 | ret = -EINVAL; |
Alexander Schmidt | b9012e0 | 2008-09-20 20:05:21 -0700 | [diff] [blame] | 913 | goto create_qp_exit8; |
Heiko J Schick | fab9722 | 2006-09-22 15:22:22 -0700 | [diff] [blame] | 914 | } |
| 915 | } |
| 916 | |
Joachim Fenkes | a6a1294 | 2007-07-09 15:25:10 +0200 | [diff] [blame] | 917 | return my_qp; |
Heiko J Schick | fab9722 | 2006-09-22 15:22:22 -0700 | [diff] [blame] | 918 | |
Alexander Schmidt | b9012e0 | 2008-09-20 20:05:21 -0700 | [diff] [blame] | 919 | create_qp_exit8: |
Hoang-Nam Nguyen | 0c86e28 | 2008-01-17 15:03:55 +0100 | [diff] [blame] | 920 | ehca_cq_unassign_qp(my_qp->send_cq, my_qp->real_qp_num); |
| 921 | |
Alexander Schmidt | b9012e0 | 2008-09-20 20:05:21 -0700 | [diff] [blame] | 922 | create_qp_exit7: |
Hoang-Nam Nguyen | bbdd267 | 2008-01-17 15:05:45 +0100 | [diff] [blame] | 923 | kfree(my_qp->mod_qp_parm); |
| 924 | |
Alexander Schmidt | b9012e0 | 2008-09-20 20:05:21 -0700 | [diff] [blame] | 925 | create_qp_exit6: |
Stefan Roscher | 1988d1f | 2009-05-13 16:52:43 -0700 | [diff] [blame] | 926 | if (HAS_RQ(my_qp) && !is_user) |
Alexander Schmidt | b9012e0 | 2008-09-20 20:05:21 -0700 | [diff] [blame] | 927 | vfree(my_qp->rq_map.map); |
| 928 | |
Alexander Schmidt | 6773f07 | 2008-08-12 15:46:30 +0200 | [diff] [blame] | 929 | create_qp_exit5: |
Joachim Fenkes | a6a1294 | 2007-07-09 15:25:10 +0200 | [diff] [blame] | 930 | if (HAS_RQ(my_qp)) |
Stefan Roscher | e2f81da | 2007-07-20 16:04:17 +0200 | [diff] [blame] | 931 | ipz_queue_dtor(my_pd, &my_qp->ipz_rqueue); |
Joachim Fenkes | 9a79fc0 | 2007-07-09 15:23:15 +0200 | [diff] [blame] | 932 | |
Alexander Schmidt | 6773f07 | 2008-08-12 15:46:30 +0200 | [diff] [blame] | 933 | create_qp_exit4: |
Stefan Roscher | 1988d1f | 2009-05-13 16:52:43 -0700 | [diff] [blame] | 934 | if (HAS_SQ(my_qp) && !is_user) |
Alexander Schmidt | b9012e0 | 2008-09-20 20:05:21 -0700 | [diff] [blame] | 935 | vfree(my_qp->sq_map.map); |
Alexander Schmidt | 6773f07 | 2008-08-12 15:46:30 +0200 | [diff] [blame] | 936 | |
Joachim Fenkes | 9a79fc0 | 2007-07-09 15:23:15 +0200 | [diff] [blame] | 937 | create_qp_exit3: |
Joachim Fenkes | a6a1294 | 2007-07-09 15:25:10 +0200 | [diff] [blame] | 938 | if (HAS_SQ(my_qp)) |
Stefan Roscher | e2f81da | 2007-07-20 16:04:17 +0200 | [diff] [blame] | 939 | ipz_queue_dtor(my_pd, &my_qp->ipz_squeue); |
Heiko J Schick | fab9722 | 2006-09-22 15:22:22 -0700 | [diff] [blame] | 940 | |
| 941 | create_qp_exit2: |
| 942 | hipz_h_destroy_qp(shca->ipz_hca_handle, my_qp); |
| 943 | |
| 944 | create_qp_exit1: |
Joachim Fenkes | 26ed687 | 2007-07-09 15:31:10 +0200 | [diff] [blame] | 945 | write_lock_irqsave(&ehca_qp_idr_lock, flags); |
Heiko J Schick | fab9722 | 2006-09-22 15:22:22 -0700 | [diff] [blame] | 946 | idr_remove(&ehca_qp_idr, my_qp->token); |
Joachim Fenkes | 26ed687 | 2007-07-09 15:31:10 +0200 | [diff] [blame] | 947 | write_unlock_irqrestore(&ehca_qp_idr_lock, flags); |
Heiko J Schick | fab9722 | 2006-09-22 15:22:22 -0700 | [diff] [blame] | 948 | |
| 949 | create_qp_exit0: |
| 950 | kmem_cache_free(qp_cache, my_qp); |
Stefan Roscher | d227fa7 | 2008-04-29 13:46:53 -0700 | [diff] [blame] | 951 | atomic_dec(&shca->num_qps); |
Heiko J Schick | fab9722 | 2006-09-22 15:22:22 -0700 | [diff] [blame] | 952 | return ERR_PTR(ret); |
| 953 | } |
| 954 | |
Joachim Fenkes | a6a1294 | 2007-07-09 15:25:10 +0200 | [diff] [blame] | 955 | struct ib_qp *ehca_create_qp(struct ib_pd *pd, |
| 956 | struct ib_qp_init_attr *qp_init_attr, |
| 957 | struct ib_udata *udata) |
| 958 | { |
| 959 | struct ehca_qp *ret; |
| 960 | |
| 961 | ret = internal_create_qp(pd, qp_init_attr, NULL, udata, 0); |
Hoang-Nam Nguyen | 2b94397 | 2007-07-12 17:53:47 +0200 | [diff] [blame] | 962 | return IS_ERR(ret) ? (struct ib_qp *)ret : &ret->ib_qp; |
Joachim Fenkes | a6a1294 | 2007-07-09 15:25:10 +0200 | [diff] [blame] | 963 | } |
| 964 | |
Joachim Fenkes | 0c10f7b | 2007-07-19 21:40:00 +0200 | [diff] [blame] | 965 | static int internal_destroy_qp(struct ib_device *dev, struct ehca_qp *my_qp, |
| 966 | struct ib_uobject *uobject); |
Joachim Fenkes | a6a1294 | 2007-07-09 15:25:10 +0200 | [diff] [blame] | 967 | |
| 968 | struct ib_srq *ehca_create_srq(struct ib_pd *pd, |
| 969 | struct ib_srq_init_attr *srq_init_attr, |
| 970 | struct ib_udata *udata) |
| 971 | { |
| 972 | struct ib_qp_init_attr qp_init_attr; |
| 973 | struct ehca_qp *my_qp; |
| 974 | struct ib_srq *ret; |
| 975 | struct ehca_shca *shca = container_of(pd->device, struct ehca_shca, |
| 976 | ib_device); |
| 977 | struct hcp_modify_qp_control_block *mqpcb; |
| 978 | u64 hret, update_mask; |
| 979 | |
| 980 | /* For common attributes, internal_create_qp() takes its info |
| 981 | * out of qp_init_attr, so copy all common attrs there. |
| 982 | */ |
| 983 | memset(&qp_init_attr, 0, sizeof(qp_init_attr)); |
| 984 | qp_init_attr.event_handler = srq_init_attr->event_handler; |
| 985 | qp_init_attr.qp_context = srq_init_attr->srq_context; |
| 986 | qp_init_attr.sq_sig_type = IB_SIGNAL_ALL_WR; |
| 987 | qp_init_attr.qp_type = IB_QPT_RC; |
| 988 | qp_init_attr.cap.max_recv_wr = srq_init_attr->attr.max_wr; |
| 989 | qp_init_attr.cap.max_recv_sge = srq_init_attr->attr.max_sge; |
| 990 | |
| 991 | my_qp = internal_create_qp(pd, &qp_init_attr, srq_init_attr, udata, 1); |
| 992 | if (IS_ERR(my_qp)) |
Hoang-Nam Nguyen | 2b94397 | 2007-07-12 17:53:47 +0200 | [diff] [blame] | 993 | return (struct ib_srq *)my_qp; |
Joachim Fenkes | a6a1294 | 2007-07-09 15:25:10 +0200 | [diff] [blame] | 994 | |
| 995 | /* copy back return values */ |
| 996 | srq_init_attr->attr.max_wr = qp_init_attr.cap.max_recv_wr; |
Joachim Fenkes | 1457edc | 2007-12-10 12:20:57 +0100 | [diff] [blame] | 997 | srq_init_attr->attr.max_sge = 3; |
Joachim Fenkes | a6a1294 | 2007-07-09 15:25:10 +0200 | [diff] [blame] | 998 | |
| 999 | /* drive SRQ into RTR state */ |
| 1000 | mqpcb = ehca_alloc_fw_ctrlblock(GFP_KERNEL); |
| 1001 | if (!mqpcb) { |
| 1002 | ehca_err(pd->device, "Could not get zeroed page for mqpcb " |
| 1003 | "ehca_qp=%p qp_num=%x ", my_qp, my_qp->real_qp_num); |
| 1004 | ret = ERR_PTR(-ENOMEM); |
| 1005 | goto create_srq1; |
| 1006 | } |
| 1007 | |
| 1008 | mqpcb->qp_state = EHCA_QPS_INIT; |
| 1009 | mqpcb->prim_phys_port = 1; |
| 1010 | update_mask = EHCA_BMASK_SET(MQPCB_MASK_QP_STATE, 1); |
| 1011 | hret = hipz_h_modify_qp(shca->ipz_hca_handle, |
| 1012 | my_qp->ipz_qp_handle, |
| 1013 | &my_qp->pf, |
| 1014 | update_mask, |
| 1015 | mqpcb, my_qp->galpas.kernel); |
| 1016 | if (hret != H_SUCCESS) { |
Joe Perches | 908cf9a | 2007-11-19 17:48:11 -0800 | [diff] [blame] | 1017 | ehca_err(pd->device, "Could not modify SRQ to INIT " |
Stephen Rothwell | 3750f60 | 2009-01-16 14:55:28 -0800 | [diff] [blame] | 1018 | "ehca_qp=%p qp_num=%x h_ret=%lli", |
Joachim Fenkes | a6a1294 | 2007-07-09 15:25:10 +0200 | [diff] [blame] | 1019 | my_qp, my_qp->real_qp_num, hret); |
| 1020 | goto create_srq2; |
| 1021 | } |
| 1022 | |
| 1023 | mqpcb->qp_enable = 1; |
| 1024 | update_mask = EHCA_BMASK_SET(MQPCB_MASK_QP_ENABLE, 1); |
| 1025 | hret = hipz_h_modify_qp(shca->ipz_hca_handle, |
| 1026 | my_qp->ipz_qp_handle, |
| 1027 | &my_qp->pf, |
| 1028 | update_mask, |
| 1029 | mqpcb, my_qp->galpas.kernel); |
| 1030 | if (hret != H_SUCCESS) { |
Joe Perches | 908cf9a | 2007-11-19 17:48:11 -0800 | [diff] [blame] | 1031 | ehca_err(pd->device, "Could not enable SRQ " |
Stephen Rothwell | 3750f60 | 2009-01-16 14:55:28 -0800 | [diff] [blame] | 1032 | "ehca_qp=%p qp_num=%x h_ret=%lli", |
Joachim Fenkes | a6a1294 | 2007-07-09 15:25:10 +0200 | [diff] [blame] | 1033 | my_qp, my_qp->real_qp_num, hret); |
| 1034 | goto create_srq2; |
| 1035 | } |
| 1036 | |
| 1037 | mqpcb->qp_state = EHCA_QPS_RTR; |
| 1038 | update_mask = EHCA_BMASK_SET(MQPCB_MASK_QP_STATE, 1); |
| 1039 | hret = hipz_h_modify_qp(shca->ipz_hca_handle, |
| 1040 | my_qp->ipz_qp_handle, |
| 1041 | &my_qp->pf, |
| 1042 | update_mask, |
| 1043 | mqpcb, my_qp->galpas.kernel); |
| 1044 | if (hret != H_SUCCESS) { |
Joe Perches | 908cf9a | 2007-11-19 17:48:11 -0800 | [diff] [blame] | 1045 | ehca_err(pd->device, "Could not modify SRQ to RTR " |
Stephen Rothwell | 3750f60 | 2009-01-16 14:55:28 -0800 | [diff] [blame] | 1046 | "ehca_qp=%p qp_num=%x h_ret=%lli", |
Joachim Fenkes | a6a1294 | 2007-07-09 15:25:10 +0200 | [diff] [blame] | 1047 | my_qp, my_qp->real_qp_num, hret); |
| 1048 | goto create_srq2; |
| 1049 | } |
| 1050 | |
Hoang-Nam Nguyen | 03f72a5 | 2007-09-28 17:16:27 +0200 | [diff] [blame] | 1051 | ehca_free_fw_ctrlblock(mqpcb); |
| 1052 | |
Joachim Fenkes | a6a1294 | 2007-07-09 15:25:10 +0200 | [diff] [blame] | 1053 | return &my_qp->ib_srq; |
| 1054 | |
| 1055 | create_srq2: |
| 1056 | ret = ERR_PTR(ehca2ib_return_code(hret)); |
| 1057 | ehca_free_fw_ctrlblock(mqpcb); |
| 1058 | |
| 1059 | create_srq1: |
| 1060 | internal_destroy_qp(pd->device, my_qp, my_qp->ib_srq.uobject); |
| 1061 | |
| 1062 | return ret; |
| 1063 | } |
| 1064 | |
Heiko J Schick | fab9722 | 2006-09-22 15:22:22 -0700 | [diff] [blame] | 1065 | /* |
| 1066 | * prepare_sqe_rts called by internal_modify_qp() at trans sqe -> rts |
| 1067 | * set purge bit of bad wqe and subsequent wqes to avoid reentering sqe |
| 1068 | * returns total number of bad wqes in bad_wqe_cnt |
| 1069 | */ |
| 1070 | static int prepare_sqe_rts(struct ehca_qp *my_qp, struct ehca_shca *shca, |
| 1071 | int *bad_wqe_cnt) |
| 1072 | { |
| 1073 | u64 h_ret; |
| 1074 | struct ipz_queue *squeue; |
| 1075 | void *bad_send_wqe_p, *bad_send_wqe_v; |
Hoang-Nam Nguyen | 2771e9e | 2006-11-20 23:54:12 +0100 | [diff] [blame] | 1076 | u64 q_ofs; |
Heiko J Schick | fab9722 | 2006-09-22 15:22:22 -0700 | [diff] [blame] | 1077 | struct ehca_wqe *wqe; |
| 1078 | int qp_num = my_qp->ib_qp.qp_num; |
| 1079 | |
| 1080 | /* get send wqe pointer */ |
| 1081 | h_ret = hipz_h_disable_and_get_wqe(shca->ipz_hca_handle, |
| 1082 | my_qp->ipz_qp_handle, &my_qp->pf, |
| 1083 | &bad_send_wqe_p, NULL, 2); |
| 1084 | if (h_ret != H_SUCCESS) { |
| 1085 | ehca_err(&shca->ib_device, "hipz_h_disable_and_get_wqe() failed" |
Stephen Rothwell | 3750f60 | 2009-01-16 14:55:28 -0800 | [diff] [blame] | 1086 | " ehca_qp=%p qp_num=%x h_ret=%lli", |
Heiko J Schick | fab9722 | 2006-09-22 15:22:22 -0700 | [diff] [blame] | 1087 | my_qp, qp_num, h_ret); |
| 1088 | return ehca2ib_return_code(h_ret); |
| 1089 | } |
Hoang-Nam Nguyen | 2b94397 | 2007-07-12 17:53:47 +0200 | [diff] [blame] | 1090 | bad_send_wqe_p = (void *)((u64)bad_send_wqe_p & (~(1L << 63))); |
Heiko J Schick | fab9722 | 2006-09-22 15:22:22 -0700 | [diff] [blame] | 1091 | ehca_dbg(&shca->ib_device, "qp_num=%x bad_send_wqe_p=%p", |
| 1092 | qp_num, bad_send_wqe_p); |
| 1093 | /* convert wqe pointer to vadr */ |
| 1094 | bad_send_wqe_v = abs_to_virt((u64)bad_send_wqe_p); |
Joachim Fenkes | 4da27d6 | 2008-04-23 11:55:45 -0700 | [diff] [blame] | 1095 | if (ehca_debug_level >= 2) |
Heiko J Schick | fab9722 | 2006-09-22 15:22:22 -0700 | [diff] [blame] | 1096 | ehca_dmp(bad_send_wqe_v, 32, "qp_num=%x bad_wqe", qp_num); |
| 1097 | squeue = &my_qp->ipz_squeue; |
Hoang-Nam Nguyen | 2771e9e | 2006-11-20 23:54:12 +0100 | [diff] [blame] | 1098 | if (ipz_queue_abs_to_offset(squeue, (u64)bad_send_wqe_p, &q_ofs)) { |
| 1099 | ehca_err(&shca->ib_device, "failed to get wqe offset qp_num=%x" |
| 1100 | " bad_send_wqe_p=%p", qp_num, bad_send_wqe_p); |
| 1101 | return -EFAULT; |
| 1102 | } |
Heiko J Schick | fab9722 | 2006-09-22 15:22:22 -0700 | [diff] [blame] | 1103 | |
| 1104 | /* loop sets wqe's purge bit */ |
Hoang-Nam Nguyen | 2b94397 | 2007-07-12 17:53:47 +0200 | [diff] [blame] | 1105 | wqe = (struct ehca_wqe *)ipz_qeit_calc(squeue, q_ofs); |
Heiko J Schick | fab9722 | 2006-09-22 15:22:22 -0700 | [diff] [blame] | 1106 | *bad_wqe_cnt = 0; |
| 1107 | while (wqe->optype != 0xff && wqe->wqef != 0xff) { |
Joachim Fenkes | 4da27d6 | 2008-04-23 11:55:45 -0700 | [diff] [blame] | 1108 | if (ehca_debug_level >= 2) |
Heiko J Schick | fab9722 | 2006-09-22 15:22:22 -0700 | [diff] [blame] | 1109 | ehca_dmp(wqe, 32, "qp_num=%x wqe", qp_num); |
| 1110 | wqe->nr_of_data_seg = 0; /* suppress data access */ |
| 1111 | wqe->wqef = WQEF_PURGE; /* WQE to be purged */ |
Hoang-Nam Nguyen | 2771e9e | 2006-11-20 23:54:12 +0100 | [diff] [blame] | 1112 | q_ofs = ipz_queue_advance_offset(squeue, q_ofs); |
Hoang-Nam Nguyen | 2b94397 | 2007-07-12 17:53:47 +0200 | [diff] [blame] | 1113 | wqe = (struct ehca_wqe *)ipz_qeit_calc(squeue, q_ofs); |
Heiko J Schick | fab9722 | 2006-09-22 15:22:22 -0700 | [diff] [blame] | 1114 | *bad_wqe_cnt = (*bad_wqe_cnt)+1; |
Heiko J Schick | fab9722 | 2006-09-22 15:22:22 -0700 | [diff] [blame] | 1115 | } |
| 1116 | /* |
| 1117 | * bad wqe will be reprocessed and ignored when pol_cq() is called, |
| 1118 | * i.e. nr of wqes with flush error status is one less |
| 1119 | */ |
| 1120 | ehca_dbg(&shca->ib_device, "qp_num=%x flusherr_wqe_cnt=%x", |
| 1121 | qp_num, (*bad_wqe_cnt)-1); |
| 1122 | wqe->wqef = 0; |
| 1123 | |
| 1124 | return 0; |
| 1125 | } |
| 1126 | |
Alexander Schmidt | b9012e0 | 2008-09-20 20:05:21 -0700 | [diff] [blame] | 1127 | static int calc_left_cqes(u64 wqe_p, struct ipz_queue *ipz_queue, |
| 1128 | struct ehca_queue_map *qmap) |
| 1129 | { |
| 1130 | void *wqe_v; |
| 1131 | u64 q_ofs; |
| 1132 | u32 wqe_idx; |
Stefan Roscher | 7ec4f46 | 2008-12-01 10:05:50 -0800 | [diff] [blame] | 1133 | unsigned int tail_idx; |
Alexander Schmidt | b9012e0 | 2008-09-20 20:05:21 -0700 | [diff] [blame] | 1134 | |
| 1135 | /* convert real to abs address */ |
| 1136 | wqe_p = wqe_p & (~(1UL << 63)); |
| 1137 | |
| 1138 | wqe_v = abs_to_virt(wqe_p); |
| 1139 | |
| 1140 | if (ipz_queue_abs_to_offset(ipz_queue, wqe_p, &q_ofs)) { |
| 1141 | ehca_gen_err("Invalid offset for calculating left cqes " |
Stephen Rothwell | 3750f60 | 2009-01-16 14:55:28 -0800 | [diff] [blame] | 1142 | "wqe_p=%#llx wqe_v=%p\n", wqe_p, wqe_v); |
Alexander Schmidt | b9012e0 | 2008-09-20 20:05:21 -0700 | [diff] [blame] | 1143 | return -EFAULT; |
| 1144 | } |
| 1145 | |
Stefan Roscher | 1c72194 | 2008-12-05 11:25:38 -0800 | [diff] [blame] | 1146 | tail_idx = next_index(qmap->tail, qmap->entries); |
Alexander Schmidt | b9012e0 | 2008-09-20 20:05:21 -0700 | [diff] [blame] | 1147 | wqe_idx = q_ofs / ipz_queue->qe_size; |
Alexander Schmidt | b9012e0 | 2008-09-20 20:05:21 -0700 | [diff] [blame] | 1148 | |
Stefan Roscher | 7ec4f46 | 2008-12-01 10:05:50 -0800 | [diff] [blame] | 1149 | /* check all processed wqes, whether a cqe is requested or not */ |
| 1150 | while (tail_idx != wqe_idx) { |
| 1151 | if (qmap->map[tail_idx].cqe_req) |
| 1152 | qmap->left_to_poll++; |
Stefan Roscher | 1c72194 | 2008-12-05 11:25:38 -0800 | [diff] [blame] | 1153 | tail_idx = next_index(tail_idx, qmap->entries); |
Stefan Roscher | 7ec4f46 | 2008-12-01 10:05:50 -0800 | [diff] [blame] | 1154 | } |
| 1155 | /* save index in queue, where we have to start flushing */ |
| 1156 | qmap->next_wqe_idx = wqe_idx; |
Alexander Schmidt | b9012e0 | 2008-09-20 20:05:21 -0700 | [diff] [blame] | 1157 | return 0; |
| 1158 | } |
| 1159 | |
| 1160 | static int check_for_left_cqes(struct ehca_qp *my_qp, struct ehca_shca *shca) |
| 1161 | { |
| 1162 | u64 h_ret; |
| 1163 | void *send_wqe_p, *recv_wqe_p; |
| 1164 | int ret; |
| 1165 | unsigned long flags; |
| 1166 | int qp_num = my_qp->ib_qp.qp_num; |
| 1167 | |
| 1168 | /* this hcall is not supported on base QPs */ |
| 1169 | if (my_qp->ext_type != EQPT_SRQBASE) { |
| 1170 | /* get send and receive wqe pointer */ |
| 1171 | h_ret = hipz_h_disable_and_get_wqe(shca->ipz_hca_handle, |
| 1172 | my_qp->ipz_qp_handle, &my_qp->pf, |
| 1173 | &send_wqe_p, &recv_wqe_p, 4); |
| 1174 | if (h_ret != H_SUCCESS) { |
| 1175 | ehca_err(&shca->ib_device, "disable_and_get_wqe() " |
Stephen Rothwell | 3750f60 | 2009-01-16 14:55:28 -0800 | [diff] [blame] | 1176 | "failed ehca_qp=%p qp_num=%x h_ret=%lli", |
Alexander Schmidt | b9012e0 | 2008-09-20 20:05:21 -0700 | [diff] [blame] | 1177 | my_qp, qp_num, h_ret); |
| 1178 | return ehca2ib_return_code(h_ret); |
| 1179 | } |
| 1180 | |
| 1181 | /* |
| 1182 | * acquire lock to ensure that nobody is polling the cq which |
| 1183 | * could mean that the qmap->tail pointer is in an |
| 1184 | * inconsistent state. |
| 1185 | */ |
| 1186 | spin_lock_irqsave(&my_qp->send_cq->spinlock, flags); |
| 1187 | ret = calc_left_cqes((u64)send_wqe_p, &my_qp->ipz_squeue, |
| 1188 | &my_qp->sq_map); |
| 1189 | spin_unlock_irqrestore(&my_qp->send_cq->spinlock, flags); |
| 1190 | if (ret) |
| 1191 | return ret; |
| 1192 | |
| 1193 | |
| 1194 | spin_lock_irqsave(&my_qp->recv_cq->spinlock, flags); |
| 1195 | ret = calc_left_cqes((u64)recv_wqe_p, &my_qp->ipz_rqueue, |
| 1196 | &my_qp->rq_map); |
| 1197 | spin_unlock_irqrestore(&my_qp->recv_cq->spinlock, flags); |
| 1198 | if (ret) |
| 1199 | return ret; |
| 1200 | } else { |
| 1201 | spin_lock_irqsave(&my_qp->send_cq->spinlock, flags); |
| 1202 | my_qp->sq_map.left_to_poll = 0; |
Stefan Roscher | 1c72194 | 2008-12-05 11:25:38 -0800 | [diff] [blame] | 1203 | my_qp->sq_map.next_wqe_idx = next_index(my_qp->sq_map.tail, |
| 1204 | my_qp->sq_map.entries); |
Alexander Schmidt | b9012e0 | 2008-09-20 20:05:21 -0700 | [diff] [blame] | 1205 | spin_unlock_irqrestore(&my_qp->send_cq->spinlock, flags); |
| 1206 | |
| 1207 | spin_lock_irqsave(&my_qp->recv_cq->spinlock, flags); |
| 1208 | my_qp->rq_map.left_to_poll = 0; |
Stefan Roscher | 1c72194 | 2008-12-05 11:25:38 -0800 | [diff] [blame] | 1209 | my_qp->rq_map.next_wqe_idx = next_index(my_qp->rq_map.tail, |
| 1210 | my_qp->rq_map.entries); |
Alexander Schmidt | b9012e0 | 2008-09-20 20:05:21 -0700 | [diff] [blame] | 1211 | spin_unlock_irqrestore(&my_qp->recv_cq->spinlock, flags); |
| 1212 | } |
| 1213 | |
| 1214 | /* this assures flush cqes being generated only for pending wqes */ |
| 1215 | if ((my_qp->sq_map.left_to_poll == 0) && |
| 1216 | (my_qp->rq_map.left_to_poll == 0)) { |
| 1217 | spin_lock_irqsave(&my_qp->send_cq->spinlock, flags); |
| 1218 | ehca_add_to_err_list(my_qp, 1); |
| 1219 | spin_unlock_irqrestore(&my_qp->send_cq->spinlock, flags); |
| 1220 | |
| 1221 | if (HAS_RQ(my_qp)) { |
| 1222 | spin_lock_irqsave(&my_qp->recv_cq->spinlock, flags); |
| 1223 | ehca_add_to_err_list(my_qp, 0); |
| 1224 | spin_unlock_irqrestore(&my_qp->recv_cq->spinlock, |
| 1225 | flags); |
| 1226 | } |
| 1227 | } |
| 1228 | |
| 1229 | return 0; |
| 1230 | } |
| 1231 | |
Heiko J Schick | fab9722 | 2006-09-22 15:22:22 -0700 | [diff] [blame] | 1232 | /* |
| 1233 | * internal_modify_qp with circumvention to handle aqp0 properly |
| 1234 | * smi_reset2init indicates if this is an internal reset-to-init-call for |
| 1235 | * smi. This flag must always be zero if called from ehca_modify_qp()! |
| 1236 | * This internal func was intorduced to avoid recursion of ehca_modify_qp()! |
| 1237 | */ |
| 1238 | static int internal_modify_qp(struct ib_qp *ibqp, |
| 1239 | struct ib_qp_attr *attr, |
| 1240 | int attr_mask, int smi_reset2init) |
| 1241 | { |
| 1242 | enum ib_qp_state qp_cur_state, qp_new_state; |
| 1243 | int cnt, qp_attr_idx, ret = 0; |
| 1244 | enum ib_qp_statetrans statetrans; |
| 1245 | struct hcp_modify_qp_control_block *mqpcb; |
| 1246 | struct ehca_qp *my_qp = container_of(ibqp, struct ehca_qp, ib_qp); |
| 1247 | struct ehca_shca *shca = |
| 1248 | container_of(ibqp->pd->device, struct ehca_shca, ib_device); |
| 1249 | u64 update_mask; |
| 1250 | u64 h_ret; |
| 1251 | int bad_wqe_cnt = 0; |
Stefan Roscher | 1988d1f | 2009-05-13 16:52:43 -0700 | [diff] [blame] | 1252 | int is_user = 0; |
Heiko J Schick | fab9722 | 2006-09-22 15:22:22 -0700 | [diff] [blame] | 1253 | int squeue_locked = 0; |
Joachim Fenkes | 9844b71 | 2007-07-09 15:29:03 +0200 | [diff] [blame] | 1254 | unsigned long flags = 0; |
Heiko J Schick | fab9722 | 2006-09-22 15:22:22 -0700 | [diff] [blame] | 1255 | |
| 1256 | /* do query_qp to obtain current attr values */ |
Hoang-Nam Nguyen | bbdd267 | 2008-01-17 15:05:45 +0100 | [diff] [blame] | 1257 | mqpcb = ehca_alloc_fw_ctrlblock(GFP_ATOMIC); |
Hoang-Nam Nguyen | 7e28db5 | 2006-11-07 00:56:39 +0100 | [diff] [blame] | 1258 | if (!mqpcb) { |
Heiko J Schick | fab9722 | 2006-09-22 15:22:22 -0700 | [diff] [blame] | 1259 | ehca_err(ibqp->device, "Could not get zeroed page for mqpcb " |
| 1260 | "ehca_qp=%p qp_num=%x ", my_qp, ibqp->qp_num); |
| 1261 | return -ENOMEM; |
| 1262 | } |
| 1263 | |
| 1264 | h_ret = hipz_h_query_qp(shca->ipz_hca_handle, |
| 1265 | my_qp->ipz_qp_handle, |
| 1266 | &my_qp->pf, |
| 1267 | mqpcb, my_qp->galpas.kernel); |
| 1268 | if (h_ret != H_SUCCESS) { |
| 1269 | ehca_err(ibqp->device, "hipz_h_query_qp() failed " |
Stephen Rothwell | 3750f60 | 2009-01-16 14:55:28 -0800 | [diff] [blame] | 1270 | "ehca_qp=%p qp_num=%x h_ret=%lli", |
Heiko J Schick | fab9722 | 2006-09-22 15:22:22 -0700 | [diff] [blame] | 1271 | my_qp, ibqp->qp_num, h_ret); |
| 1272 | ret = ehca2ib_return_code(h_ret); |
| 1273 | goto modify_qp_exit1; |
| 1274 | } |
Stefan Roscher | 1988d1f | 2009-05-13 16:52:43 -0700 | [diff] [blame] | 1275 | if (ibqp->uobject) |
| 1276 | is_user = 1; |
Heiko J Schick | fab9722 | 2006-09-22 15:22:22 -0700 | [diff] [blame] | 1277 | |
| 1278 | qp_cur_state = ehca2ib_qp_state(mqpcb->qp_state); |
| 1279 | |
| 1280 | if (qp_cur_state == -EINVAL) { /* invalid qp state */ |
| 1281 | ret = -EINVAL; |
| 1282 | ehca_err(ibqp->device, "Invalid current ehca_qp_state=%x " |
| 1283 | "ehca_qp=%p qp_num=%x", |
| 1284 | mqpcb->qp_state, my_qp, ibqp->qp_num); |
| 1285 | goto modify_qp_exit1; |
| 1286 | } |
| 1287 | /* |
| 1288 | * circumvention to set aqp0 initial state to init |
| 1289 | * as expected by IB spec |
| 1290 | */ |
| 1291 | if (smi_reset2init == 0 && |
| 1292 | ibqp->qp_type == IB_QPT_SMI && |
| 1293 | qp_cur_state == IB_QPS_RESET && |
| 1294 | (attr_mask & IB_QP_STATE) && |
| 1295 | attr->qp_state == IB_QPS_INIT) { /* RESET -> INIT */ |
| 1296 | struct ib_qp_attr smiqp_attr = { |
| 1297 | .qp_state = IB_QPS_INIT, |
| 1298 | .port_num = my_qp->init_attr.port_num, |
| 1299 | .pkey_index = 0, |
| 1300 | .qkey = 0 |
| 1301 | }; |
| 1302 | int smiqp_attr_mask = IB_QP_STATE | IB_QP_PORT | |
| 1303 | IB_QP_PKEY_INDEX | IB_QP_QKEY; |
| 1304 | int smirc = internal_modify_qp( |
| 1305 | ibqp, &smiqp_attr, smiqp_attr_mask, 1); |
| 1306 | if (smirc) { |
| 1307 | ehca_err(ibqp->device, "SMI RESET -> INIT failed. " |
Joachim Fenkes | e372219 | 2007-09-11 15:32:22 +0200 | [diff] [blame] | 1308 | "ehca_modify_qp() rc=%i", smirc); |
Heiko J Schick | fab9722 | 2006-09-22 15:22:22 -0700 | [diff] [blame] | 1309 | ret = H_PARAMETER; |
| 1310 | goto modify_qp_exit1; |
| 1311 | } |
| 1312 | qp_cur_state = IB_QPS_INIT; |
| 1313 | ehca_dbg(ibqp->device, "SMI RESET -> INIT succeeded"); |
| 1314 | } |
| 1315 | /* is transmitted current state equal to "real" current state */ |
| 1316 | if ((attr_mask & IB_QP_CUR_STATE) && |
| 1317 | qp_cur_state != attr->cur_qp_state) { |
| 1318 | ret = -EINVAL; |
| 1319 | ehca_err(ibqp->device, |
| 1320 | "Invalid IB_QP_CUR_STATE attr->curr_qp_state=%x <>" |
| 1321 | " actual cur_qp_state=%x. ehca_qp=%p qp_num=%x", |
| 1322 | attr->cur_qp_state, qp_cur_state, my_qp, ibqp->qp_num); |
| 1323 | goto modify_qp_exit1; |
| 1324 | } |
| 1325 | |
Hoang-Nam Nguyen | 2b94397 | 2007-07-12 17:53:47 +0200 | [diff] [blame] | 1326 | ehca_dbg(ibqp->device, "ehca_qp=%p qp_num=%x current qp_state=%x " |
Heiko J Schick | fab9722 | 2006-09-22 15:22:22 -0700 | [diff] [blame] | 1327 | "new qp_state=%x attribute_mask=%x", |
| 1328 | my_qp, ibqp->qp_num, qp_cur_state, attr->qp_state, attr_mask); |
| 1329 | |
| 1330 | qp_new_state = attr_mask & IB_QP_STATE ? attr->qp_state : qp_cur_state; |
| 1331 | if (!smi_reset2init && |
| 1332 | !ib_modify_qp_is_ok(qp_cur_state, qp_new_state, ibqp->qp_type, |
| 1333 | attr_mask)) { |
| 1334 | ret = -EINVAL; |
| 1335 | ehca_err(ibqp->device, |
| 1336 | "Invalid qp transition new_state=%x cur_state=%x " |
| 1337 | "ehca_qp=%p qp_num=%x attr_mask=%x", qp_new_state, |
| 1338 | qp_cur_state, my_qp, ibqp->qp_num, attr_mask); |
| 1339 | goto modify_qp_exit1; |
| 1340 | } |
| 1341 | |
Hoang-Nam Nguyen | 2b94397 | 2007-07-12 17:53:47 +0200 | [diff] [blame] | 1342 | mqpcb->qp_state = ib2ehca_qp_state(qp_new_state); |
| 1343 | if (mqpcb->qp_state) |
Heiko J Schick | fab9722 | 2006-09-22 15:22:22 -0700 | [diff] [blame] | 1344 | update_mask = EHCA_BMASK_SET(MQPCB_MASK_QP_STATE, 1); |
| 1345 | else { |
| 1346 | ret = -EINVAL; |
| 1347 | ehca_err(ibqp->device, "Invalid new qp state=%x " |
| 1348 | "ehca_qp=%p qp_num=%x", |
| 1349 | qp_new_state, my_qp, ibqp->qp_num); |
| 1350 | goto modify_qp_exit1; |
| 1351 | } |
| 1352 | |
| 1353 | /* retrieve state transition struct to get req and opt attrs */ |
| 1354 | statetrans = get_modqp_statetrans(qp_cur_state, qp_new_state); |
| 1355 | if (statetrans < 0) { |
| 1356 | ret = -EINVAL; |
| 1357 | ehca_err(ibqp->device, "<INVALID STATE CHANGE> qp_cur_state=%x " |
| 1358 | "new_qp_state=%x State_xsition=%x ehca_qp=%p " |
| 1359 | "qp_num=%x", qp_cur_state, qp_new_state, |
| 1360 | statetrans, my_qp, ibqp->qp_num); |
| 1361 | goto modify_qp_exit1; |
| 1362 | } |
| 1363 | |
| 1364 | qp_attr_idx = ib2ehcaqptype(ibqp->qp_type); |
| 1365 | |
| 1366 | if (qp_attr_idx < 0) { |
| 1367 | ret = qp_attr_idx; |
| 1368 | ehca_err(ibqp->device, |
| 1369 | "Invalid QP type=%x ehca_qp=%p qp_num=%x", |
| 1370 | ibqp->qp_type, my_qp, ibqp->qp_num); |
| 1371 | goto modify_qp_exit1; |
| 1372 | } |
| 1373 | |
| 1374 | ehca_dbg(ibqp->device, |
| 1375 | "ehca_qp=%p qp_num=%x <VALID STATE CHANGE> qp_state_xsit=%x", |
| 1376 | my_qp, ibqp->qp_num, statetrans); |
| 1377 | |
Stefan Roscher | 85f0031 | 2007-07-09 15:27:13 +0200 | [diff] [blame] | 1378 | /* eHCA2 rev2 and higher require the SEND_GRH_FLAG to be set |
| 1379 | * in non-LL UD QPs. |
| 1380 | */ |
| 1381 | if ((my_qp->qp_type == IB_QPT_UD) && |
| 1382 | (my_qp->ext_type != EQPT_LLQP) && |
| 1383 | (statetrans == IB_QPST_INIT2RTR) && |
| 1384 | (shca->hw_level >= 0x22)) { |
| 1385 | update_mask |= EHCA_BMASK_SET(MQPCB_MASK_SEND_GRH_FLAG, 1); |
| 1386 | mqpcb->send_grh_flag = 1; |
| 1387 | } |
| 1388 | |
Heiko J Schick | fab9722 | 2006-09-22 15:22:22 -0700 | [diff] [blame] | 1389 | /* sqe -> rts: set purge bit of bad wqe before actual trans */ |
| 1390 | if ((my_qp->qp_type == IB_QPT_UD || |
| 1391 | my_qp->qp_type == IB_QPT_GSI || |
| 1392 | my_qp->qp_type == IB_QPT_SMI) && |
| 1393 | statetrans == IB_QPST_SQE2RTS) { |
| 1394 | /* mark next free wqe if kernel */ |
Hoang-Nam Nguyen | 4c34bdf | 2007-01-24 00:13:35 +0100 | [diff] [blame] | 1395 | if (!ibqp->uobject) { |
Heiko J Schick | fab9722 | 2006-09-22 15:22:22 -0700 | [diff] [blame] | 1396 | struct ehca_wqe *wqe; |
| 1397 | /* lock send queue */ |
Joachim Fenkes | 9844b71 | 2007-07-09 15:29:03 +0200 | [diff] [blame] | 1398 | spin_lock_irqsave(&my_qp->spinlock_s, flags); |
Heiko J Schick | fab9722 | 2006-09-22 15:22:22 -0700 | [diff] [blame] | 1399 | squeue_locked = 1; |
| 1400 | /* mark next free wqe */ |
Hoang-Nam Nguyen | 2b94397 | 2007-07-12 17:53:47 +0200 | [diff] [blame] | 1401 | wqe = (struct ehca_wqe *) |
Heiko J Schick | fab9722 | 2006-09-22 15:22:22 -0700 | [diff] [blame] | 1402 | ipz_qeit_get(&my_qp->ipz_squeue); |
| 1403 | wqe->optype = wqe->wqef = 0xff; |
| 1404 | ehca_dbg(ibqp->device, "qp_num=%x next_free_wqe=%p", |
| 1405 | ibqp->qp_num, wqe); |
| 1406 | } |
| 1407 | ret = prepare_sqe_rts(my_qp, shca, &bad_wqe_cnt); |
| 1408 | if (ret) { |
| 1409 | ehca_err(ibqp->device, "prepare_sqe_rts() failed " |
Joachim Fenkes | e372219 | 2007-09-11 15:32:22 +0200 | [diff] [blame] | 1410 | "ehca_qp=%p qp_num=%x ret=%i", |
Heiko J Schick | fab9722 | 2006-09-22 15:22:22 -0700 | [diff] [blame] | 1411 | my_qp, ibqp->qp_num, ret); |
| 1412 | goto modify_qp_exit2; |
| 1413 | } |
| 1414 | } |
| 1415 | |
| 1416 | /* |
| 1417 | * enable RDMA_Atomic_Control if reset->init und reliable con |
| 1418 | * this is necessary since gen2 does not provide that flag, |
| 1419 | * but pHyp requires it |
| 1420 | */ |
| 1421 | if (statetrans == IB_QPST_RESET2INIT && |
| 1422 | (ibqp->qp_type == IB_QPT_RC || ibqp->qp_type == IB_QPT_UC)) { |
| 1423 | mqpcb->rdma_atomic_ctrl = 3; |
| 1424 | update_mask |= EHCA_BMASK_SET(MQPCB_MASK_RDMA_ATOMIC_CTRL, 1); |
| 1425 | } |
| 1426 | /* circ. pHyp requires #RDMA/Atomic Resp Res for UC INIT -> RTR */ |
| 1427 | if (statetrans == IB_QPST_INIT2RTR && |
| 1428 | (ibqp->qp_type == IB_QPT_UC) && |
| 1429 | !(attr_mask & IB_QP_MAX_DEST_RD_ATOMIC)) { |
| 1430 | mqpcb->rdma_nr_atomic_resp_res = 1; /* default to 1 */ |
| 1431 | update_mask |= |
| 1432 | EHCA_BMASK_SET(MQPCB_MASK_RDMA_NR_ATOMIC_RESP_RES, 1); |
| 1433 | } |
| 1434 | |
| 1435 | if (attr_mask & IB_QP_PKEY_INDEX) { |
Joachim Fenkes | e90d0b3 | 2007-09-11 15:34:04 +0200 | [diff] [blame] | 1436 | if (attr->pkey_index >= 16) { |
| 1437 | ret = -EINVAL; |
| 1438 | ehca_err(ibqp->device, "Invalid pkey_index=%x. " |
| 1439 | "ehca_qp=%p qp_num=%x max_pkey_index=f", |
| 1440 | attr->pkey_index, my_qp, ibqp->qp_num); |
| 1441 | goto modify_qp_exit2; |
| 1442 | } |
Heiko J Schick | fab9722 | 2006-09-22 15:22:22 -0700 | [diff] [blame] | 1443 | mqpcb->prim_p_key_idx = attr->pkey_index; |
| 1444 | update_mask |= EHCA_BMASK_SET(MQPCB_MASK_PRIM_P_KEY_IDX, 1); |
| 1445 | } |
| 1446 | if (attr_mask & IB_QP_PORT) { |
Hoang-Nam Nguyen | bbdd267 | 2008-01-17 15:05:45 +0100 | [diff] [blame] | 1447 | struct ehca_sport *sport; |
| 1448 | struct ehca_qp *aqp1; |
Heiko J Schick | fab9722 | 2006-09-22 15:22:22 -0700 | [diff] [blame] | 1449 | if (attr->port_num < 1 || attr->port_num > shca->num_ports) { |
| 1450 | ret = -EINVAL; |
| 1451 | ehca_err(ibqp->device, "Invalid port=%x. " |
| 1452 | "ehca_qp=%p qp_num=%x num_ports=%x", |
| 1453 | attr->port_num, my_qp, ibqp->qp_num, |
| 1454 | shca->num_ports); |
| 1455 | goto modify_qp_exit2; |
| 1456 | } |
Hoang-Nam Nguyen | bbdd267 | 2008-01-17 15:05:45 +0100 | [diff] [blame] | 1457 | sport = &shca->sport[attr->port_num - 1]; |
| 1458 | if (!sport->ibqp_sqp[IB_QPT_GSI]) { |
| 1459 | /* should not occur */ |
| 1460 | ret = -EFAULT; |
| 1461 | ehca_err(ibqp->device, "AQP1 was not created for " |
| 1462 | "port=%x", attr->port_num); |
| 1463 | goto modify_qp_exit2; |
| 1464 | } |
| 1465 | aqp1 = container_of(sport->ibqp_sqp[IB_QPT_GSI], |
| 1466 | struct ehca_qp, ib_qp); |
| 1467 | if (ibqp->qp_type != IB_QPT_GSI && |
| 1468 | ibqp->qp_type != IB_QPT_SMI && |
| 1469 | aqp1->mod_qp_parm) { |
| 1470 | /* |
| 1471 | * firmware will reject this modify_qp() because |
| 1472 | * port is not activated/initialized fully |
| 1473 | */ |
| 1474 | ret = -EFAULT; |
| 1475 | ehca_warn(ibqp->device, "Couldn't modify qp port=%x: " |
| 1476 | "either port is being activated (try again) " |
| 1477 | "or cabling issue", attr->port_num); |
| 1478 | goto modify_qp_exit2; |
| 1479 | } |
Heiko J Schick | fab9722 | 2006-09-22 15:22:22 -0700 | [diff] [blame] | 1480 | mqpcb->prim_phys_port = attr->port_num; |
| 1481 | update_mask |= EHCA_BMASK_SET(MQPCB_MASK_PRIM_PHYS_PORT, 1); |
| 1482 | } |
| 1483 | if (attr_mask & IB_QP_QKEY) { |
| 1484 | mqpcb->qkey = attr->qkey; |
| 1485 | update_mask |= EHCA_BMASK_SET(MQPCB_MASK_QKEY, 1); |
| 1486 | } |
| 1487 | if (attr_mask & IB_QP_AV) { |
Heiko J Schick | fab9722 | 2006-09-22 15:22:22 -0700 | [diff] [blame] | 1488 | mqpcb->dlid = attr->ah_attr.dlid; |
| 1489 | update_mask |= EHCA_BMASK_SET(MQPCB_MASK_DLID, 1); |
| 1490 | mqpcb->source_path_bits = attr->ah_attr.src_path_bits; |
| 1491 | update_mask |= EHCA_BMASK_SET(MQPCB_MASK_SOURCE_PATH_BITS, 1); |
| 1492 | mqpcb->service_level = attr->ah_attr.sl; |
| 1493 | update_mask |= EHCA_BMASK_SET(MQPCB_MASK_SERVICE_LEVEL, 1); |
| 1494 | |
Joachim Fenkes | 3fe2ed3 | 2007-11-22 12:26:26 +0200 | [diff] [blame] | 1495 | if (ehca_calc_ipd(shca, mqpcb->prim_phys_port, |
Joachim Fenkes | 51aaa54 | 2007-11-02 15:41:49 +0200 | [diff] [blame] | 1496 | attr->ah_attr.static_rate, |
| 1497 | &mqpcb->max_static_rate)) { |
| 1498 | ret = -EINVAL; |
| 1499 | goto modify_qp_exit2; |
| 1500 | } |
Heiko J Schick | fab9722 | 2006-09-22 15:22:22 -0700 | [diff] [blame] | 1501 | update_mask |= EHCA_BMASK_SET(MQPCB_MASK_MAX_STATIC_RATE, 1); |
| 1502 | |
| 1503 | /* |
Joachim Fenkes | 92761cd | 2007-05-09 13:48:01 +0200 | [diff] [blame] | 1504 | * Always supply the GRH flag, even if it's zero, to give the |
| 1505 | * hypervisor a clear "yes" or "no" instead of a "perhaps" |
| 1506 | */ |
| 1507 | update_mask |= EHCA_BMASK_SET(MQPCB_MASK_SEND_GRH_FLAG, 1); |
| 1508 | |
| 1509 | /* |
Heiko J Schick | fab9722 | 2006-09-22 15:22:22 -0700 | [diff] [blame] | 1510 | * only if GRH is TRUE we might consider SOURCE_GID_IDX |
| 1511 | * and DEST_GID otherwise phype will return H_ATTR_PARM!!! |
| 1512 | */ |
| 1513 | if (attr->ah_attr.ah_flags == IB_AH_GRH) { |
Joachim Fenkes | 92761cd | 2007-05-09 13:48:01 +0200 | [diff] [blame] | 1514 | mqpcb->send_grh_flag = 1; |
| 1515 | |
Heiko J Schick | fab9722 | 2006-09-22 15:22:22 -0700 | [diff] [blame] | 1516 | mqpcb->source_gid_idx = attr->ah_attr.grh.sgid_index; |
| 1517 | update_mask |= |
| 1518 | EHCA_BMASK_SET(MQPCB_MASK_SOURCE_GID_IDX, 1); |
| 1519 | |
| 1520 | for (cnt = 0; cnt < 16; cnt++) |
| 1521 | mqpcb->dest_gid.byte[cnt] = |
| 1522 | attr->ah_attr.grh.dgid.raw[cnt]; |
| 1523 | |
| 1524 | update_mask |= EHCA_BMASK_SET(MQPCB_MASK_DEST_GID, 1); |
| 1525 | mqpcb->flow_label = attr->ah_attr.grh.flow_label; |
| 1526 | update_mask |= EHCA_BMASK_SET(MQPCB_MASK_FLOW_LABEL, 1); |
| 1527 | mqpcb->hop_limit = attr->ah_attr.grh.hop_limit; |
| 1528 | update_mask |= EHCA_BMASK_SET(MQPCB_MASK_HOP_LIMIT, 1); |
| 1529 | mqpcb->traffic_class = attr->ah_attr.grh.traffic_class; |
| 1530 | update_mask |= |
| 1531 | EHCA_BMASK_SET(MQPCB_MASK_TRAFFIC_CLASS, 1); |
| 1532 | } |
| 1533 | } |
| 1534 | |
| 1535 | if (attr_mask & IB_QP_PATH_MTU) { |
Joachim Fenkes | 2ec8e662 | 2008-01-17 15:07:24 +0100 | [diff] [blame] | 1536 | /* store ld(MTU) */ |
| 1537 | my_qp->mtu_shift = attr->path_mtu + 7; |
Heiko J Schick | fab9722 | 2006-09-22 15:22:22 -0700 | [diff] [blame] | 1538 | mqpcb->path_mtu = attr->path_mtu; |
| 1539 | update_mask |= EHCA_BMASK_SET(MQPCB_MASK_PATH_MTU, 1); |
| 1540 | } |
| 1541 | if (attr_mask & IB_QP_TIMEOUT) { |
| 1542 | mqpcb->timeout = attr->timeout; |
| 1543 | update_mask |= EHCA_BMASK_SET(MQPCB_MASK_TIMEOUT, 1); |
| 1544 | } |
| 1545 | if (attr_mask & IB_QP_RETRY_CNT) { |
| 1546 | mqpcb->retry_count = attr->retry_cnt; |
| 1547 | update_mask |= EHCA_BMASK_SET(MQPCB_MASK_RETRY_COUNT, 1); |
| 1548 | } |
| 1549 | if (attr_mask & IB_QP_RNR_RETRY) { |
| 1550 | mqpcb->rnr_retry_count = attr->rnr_retry; |
| 1551 | update_mask |= EHCA_BMASK_SET(MQPCB_MASK_RNR_RETRY_COUNT, 1); |
| 1552 | } |
| 1553 | if (attr_mask & IB_QP_RQ_PSN) { |
| 1554 | mqpcb->receive_psn = attr->rq_psn; |
| 1555 | update_mask |= EHCA_BMASK_SET(MQPCB_MASK_RECEIVE_PSN, 1); |
| 1556 | } |
| 1557 | if (attr_mask & IB_QP_MAX_DEST_RD_ATOMIC) { |
| 1558 | mqpcb->rdma_nr_atomic_resp_res = attr->max_dest_rd_atomic < 3 ? |
| 1559 | attr->max_dest_rd_atomic : 2; |
| 1560 | update_mask |= |
| 1561 | EHCA_BMASK_SET(MQPCB_MASK_RDMA_NR_ATOMIC_RESP_RES, 1); |
| 1562 | } |
| 1563 | if (attr_mask & IB_QP_MAX_QP_RD_ATOMIC) { |
| 1564 | mqpcb->rdma_atomic_outst_dest_qp = attr->max_rd_atomic < 3 ? |
| 1565 | attr->max_rd_atomic : 2; |
| 1566 | update_mask |= |
| 1567 | EHCA_BMASK_SET |
| 1568 | (MQPCB_MASK_RDMA_ATOMIC_OUTST_DEST_QP, 1); |
| 1569 | } |
| 1570 | if (attr_mask & IB_QP_ALT_PATH) { |
Joachim Fenkes | e90d0b3 | 2007-09-11 15:34:04 +0200 | [diff] [blame] | 1571 | if (attr->alt_port_num < 1 |
| 1572 | || attr->alt_port_num > shca->num_ports) { |
| 1573 | ret = -EINVAL; |
| 1574 | ehca_err(ibqp->device, "Invalid alt_port=%x. " |
| 1575 | "ehca_qp=%p qp_num=%x num_ports=%x", |
| 1576 | attr->alt_port_num, my_qp, ibqp->qp_num, |
| 1577 | shca->num_ports); |
| 1578 | goto modify_qp_exit2; |
| 1579 | } |
| 1580 | mqpcb->alt_phys_port = attr->alt_port_num; |
Heiko J Schick | fab9722 | 2006-09-22 15:22:22 -0700 | [diff] [blame] | 1581 | |
Joachim Fenkes | e90d0b3 | 2007-09-11 15:34:04 +0200 | [diff] [blame] | 1582 | if (attr->alt_pkey_index >= 16) { |
| 1583 | ret = -EINVAL; |
| 1584 | ehca_err(ibqp->device, "Invalid alt_pkey_index=%x. " |
| 1585 | "ehca_qp=%p qp_num=%x max_pkey_index=f", |
| 1586 | attr->pkey_index, my_qp, ibqp->qp_num); |
| 1587 | goto modify_qp_exit2; |
| 1588 | } |
| 1589 | mqpcb->alt_p_key_idx = attr->alt_pkey_index; |
| 1590 | |
| 1591 | mqpcb->timeout_al = attr->alt_timeout; |
| 1592 | mqpcb->dlid_al = attr->alt_ah_attr.dlid; |
| 1593 | mqpcb->source_path_bits_al = attr->alt_ah_attr.src_path_bits; |
| 1594 | mqpcb->service_level_al = attr->alt_ah_attr.sl; |
| 1595 | |
Joachim Fenkes | 3fe2ed3 | 2007-11-22 12:26:26 +0200 | [diff] [blame] | 1596 | if (ehca_calc_ipd(shca, mqpcb->alt_phys_port, |
Joachim Fenkes | 51aaa54 | 2007-11-02 15:41:49 +0200 | [diff] [blame] | 1597 | attr->alt_ah_attr.static_rate, |
| 1598 | &mqpcb->max_static_rate_al)) { |
| 1599 | ret = -EINVAL; |
| 1600 | goto modify_qp_exit2; |
| 1601 | } |
Heiko J Schick | fab9722 | 2006-09-22 15:22:22 -0700 | [diff] [blame] | 1602 | |
Joachim Fenkes | e90d0b3 | 2007-09-11 15:34:04 +0200 | [diff] [blame] | 1603 | /* OpenIB doesn't support alternate retry counts - copy them */ |
| 1604 | mqpcb->retry_count_al = mqpcb->retry_count; |
| 1605 | mqpcb->rnr_retry_count_al = mqpcb->rnr_retry_count; |
| 1606 | |
| 1607 | update_mask |= EHCA_BMASK_SET(MQPCB_MASK_ALT_PHYS_PORT, 1) |
| 1608 | | EHCA_BMASK_SET(MQPCB_MASK_ALT_P_KEY_IDX, 1) |
| 1609 | | EHCA_BMASK_SET(MQPCB_MASK_TIMEOUT_AL, 1) |
| 1610 | | EHCA_BMASK_SET(MQPCB_MASK_DLID_AL, 1) |
| 1611 | | EHCA_BMASK_SET(MQPCB_MASK_SOURCE_PATH_BITS_AL, 1) |
| 1612 | | EHCA_BMASK_SET(MQPCB_MASK_SERVICE_LEVEL_AL, 1) |
| 1613 | | EHCA_BMASK_SET(MQPCB_MASK_MAX_STATIC_RATE_AL, 1) |
| 1614 | | EHCA_BMASK_SET(MQPCB_MASK_RETRY_COUNT_AL, 1) |
| 1615 | | EHCA_BMASK_SET(MQPCB_MASK_RNR_RETRY_COUNT_AL, 1); |
| 1616 | |
| 1617 | /* |
| 1618 | * Always supply the GRH flag, even if it's zero, to give the |
| 1619 | * hypervisor a clear "yes" or "no" instead of a "perhaps" |
| 1620 | */ |
| 1621 | update_mask |= EHCA_BMASK_SET(MQPCB_MASK_SEND_GRH_FLAG_AL, 1); |
Heiko J Schick | fab9722 | 2006-09-22 15:22:22 -0700 | [diff] [blame] | 1622 | |
| 1623 | /* |
| 1624 | * only if GRH is TRUE we might consider SOURCE_GID_IDX |
| 1625 | * and DEST_GID otherwise phype will return H_ATTR_PARM!!! |
| 1626 | */ |
| 1627 | if (attr->alt_ah_attr.ah_flags == IB_AH_GRH) { |
Joachim Fenkes | e90d0b3 | 2007-09-11 15:34:04 +0200 | [diff] [blame] | 1628 | mqpcb->send_grh_flag_al = 1; |
Heiko J Schick | fab9722 | 2006-09-22 15:22:22 -0700 | [diff] [blame] | 1629 | |
| 1630 | for (cnt = 0; cnt < 16; cnt++) |
| 1631 | mqpcb->dest_gid_al.byte[cnt] = |
| 1632 | attr->alt_ah_attr.grh.dgid.raw[cnt]; |
Joachim Fenkes | e90d0b3 | 2007-09-11 15:34:04 +0200 | [diff] [blame] | 1633 | mqpcb->source_gid_idx_al = |
| 1634 | attr->alt_ah_attr.grh.sgid_index; |
Heiko J Schick | fab9722 | 2006-09-22 15:22:22 -0700 | [diff] [blame] | 1635 | mqpcb->flow_label_al = attr->alt_ah_attr.grh.flow_label; |
Heiko J Schick | fab9722 | 2006-09-22 15:22:22 -0700 | [diff] [blame] | 1636 | mqpcb->hop_limit_al = attr->alt_ah_attr.grh.hop_limit; |
Heiko J Schick | fab9722 | 2006-09-22 15:22:22 -0700 | [diff] [blame] | 1637 | mqpcb->traffic_class_al = |
| 1638 | attr->alt_ah_attr.grh.traffic_class; |
Joachim Fenkes | e90d0b3 | 2007-09-11 15:34:04 +0200 | [diff] [blame] | 1639 | |
Heiko J Schick | fab9722 | 2006-09-22 15:22:22 -0700 | [diff] [blame] | 1640 | update_mask |= |
Joachim Fenkes | e90d0b3 | 2007-09-11 15:34:04 +0200 | [diff] [blame] | 1641 | EHCA_BMASK_SET(MQPCB_MASK_SOURCE_GID_IDX_AL, 1) |
| 1642 | | EHCA_BMASK_SET(MQPCB_MASK_DEST_GID_AL, 1) |
| 1643 | | EHCA_BMASK_SET(MQPCB_MASK_FLOW_LABEL_AL, 1) |
| 1644 | | EHCA_BMASK_SET(MQPCB_MASK_HOP_LIMIT_AL, 1) | |
Heiko J Schick | fab9722 | 2006-09-22 15:22:22 -0700 | [diff] [blame] | 1645 | EHCA_BMASK_SET(MQPCB_MASK_TRAFFIC_CLASS_AL, 1); |
| 1646 | } |
| 1647 | } |
| 1648 | |
| 1649 | if (attr_mask & IB_QP_MIN_RNR_TIMER) { |
| 1650 | mqpcb->min_rnr_nak_timer_field = attr->min_rnr_timer; |
| 1651 | update_mask |= |
| 1652 | EHCA_BMASK_SET(MQPCB_MASK_MIN_RNR_NAK_TIMER_FIELD, 1); |
| 1653 | } |
| 1654 | |
| 1655 | if (attr_mask & IB_QP_SQ_PSN) { |
| 1656 | mqpcb->send_psn = attr->sq_psn; |
| 1657 | update_mask |= EHCA_BMASK_SET(MQPCB_MASK_SEND_PSN, 1); |
| 1658 | } |
| 1659 | |
| 1660 | if (attr_mask & IB_QP_DEST_QPN) { |
| 1661 | mqpcb->dest_qp_nr = attr->dest_qp_num; |
| 1662 | update_mask |= EHCA_BMASK_SET(MQPCB_MASK_DEST_QP_NR, 1); |
| 1663 | } |
| 1664 | |
| 1665 | if (attr_mask & IB_QP_PATH_MIG_STATE) { |
Joachim Fenkes | e90d0b3 | 2007-09-11 15:34:04 +0200 | [diff] [blame] | 1666 | if (attr->path_mig_state != IB_MIG_REARM |
| 1667 | && attr->path_mig_state != IB_MIG_MIGRATED) { |
| 1668 | ret = -EINVAL; |
| 1669 | ehca_err(ibqp->device, "Invalid mig_state=%x", |
| 1670 | attr->path_mig_state); |
| 1671 | goto modify_qp_exit2; |
| 1672 | } |
| 1673 | mqpcb->path_migration_state = attr->path_mig_state + 1; |
Joachim Fenkes | 5b673b7 | 2008-07-22 14:18:07 -0700 | [diff] [blame] | 1674 | if (attr->path_mig_state == IB_MIG_REARM) |
| 1675 | my_qp->mig_armed = 1; |
Heiko J Schick | fab9722 | 2006-09-22 15:22:22 -0700 | [diff] [blame] | 1676 | update_mask |= |
| 1677 | EHCA_BMASK_SET(MQPCB_MASK_PATH_MIGRATION_STATE, 1); |
| 1678 | } |
| 1679 | |
| 1680 | if (attr_mask & IB_QP_CAP) { |
| 1681 | mqpcb->max_nr_outst_send_wr = attr->cap.max_send_wr+1; |
| 1682 | update_mask |= |
| 1683 | EHCA_BMASK_SET(MQPCB_MASK_MAX_NR_OUTST_SEND_WR, 1); |
| 1684 | mqpcb->max_nr_outst_recv_wr = attr->cap.max_recv_wr+1; |
| 1685 | update_mask |= |
| 1686 | EHCA_BMASK_SET(MQPCB_MASK_MAX_NR_OUTST_RECV_WR, 1); |
| 1687 | /* no support for max_send/recv_sge yet */ |
| 1688 | } |
| 1689 | |
Joachim Fenkes | 4da27d6 | 2008-04-23 11:55:45 -0700 | [diff] [blame] | 1690 | if (ehca_debug_level >= 2) |
Heiko J Schick | fab9722 | 2006-09-22 15:22:22 -0700 | [diff] [blame] | 1691 | ehca_dmp(mqpcb, 4*70, "qp_num=%x", ibqp->qp_num); |
| 1692 | |
| 1693 | h_ret = hipz_h_modify_qp(shca->ipz_hca_handle, |
| 1694 | my_qp->ipz_qp_handle, |
| 1695 | &my_qp->pf, |
| 1696 | update_mask, |
| 1697 | mqpcb, my_qp->galpas.kernel); |
| 1698 | |
| 1699 | if (h_ret != H_SUCCESS) { |
| 1700 | ret = ehca2ib_return_code(h_ret); |
Stephen Rothwell | 3750f60 | 2009-01-16 14:55:28 -0800 | [diff] [blame] | 1701 | ehca_err(ibqp->device, "hipz_h_modify_qp() failed h_ret=%lli " |
Hoang-Nam Nguyen | 2b94397 | 2007-07-12 17:53:47 +0200 | [diff] [blame] | 1702 | "ehca_qp=%p qp_num=%x", h_ret, my_qp, ibqp->qp_num); |
Heiko J Schick | fab9722 | 2006-09-22 15:22:22 -0700 | [diff] [blame] | 1703 | goto modify_qp_exit2; |
| 1704 | } |
| 1705 | |
| 1706 | if ((my_qp->qp_type == IB_QPT_UD || |
| 1707 | my_qp->qp_type == IB_QPT_GSI || |
| 1708 | my_qp->qp_type == IB_QPT_SMI) && |
| 1709 | statetrans == IB_QPST_SQE2RTS) { |
| 1710 | /* doorbell to reprocessing wqes */ |
| 1711 | iosync(); /* serialize GAL register access */ |
| 1712 | hipz_update_sqa(my_qp, bad_wqe_cnt-1); |
| 1713 | ehca_gen_dbg("doorbell for %x wqes", bad_wqe_cnt); |
| 1714 | } |
| 1715 | |
| 1716 | if (statetrans == IB_QPST_RESET2INIT || |
| 1717 | statetrans == IB_QPST_INIT2INIT) { |
| 1718 | mqpcb->qp_enable = 1; |
| 1719 | mqpcb->qp_state = EHCA_QPS_INIT; |
| 1720 | update_mask = 0; |
| 1721 | update_mask = EHCA_BMASK_SET(MQPCB_MASK_QP_ENABLE, 1); |
| 1722 | |
| 1723 | h_ret = hipz_h_modify_qp(shca->ipz_hca_handle, |
| 1724 | my_qp->ipz_qp_handle, |
| 1725 | &my_qp->pf, |
| 1726 | update_mask, |
| 1727 | mqpcb, |
| 1728 | my_qp->galpas.kernel); |
| 1729 | |
| 1730 | if (h_ret != H_SUCCESS) { |
| 1731 | ret = ehca2ib_return_code(h_ret); |
| 1732 | ehca_err(ibqp->device, "ENABLE in context of " |
| 1733 | "RESET_2_INIT failed! Maybe you didn't get " |
Stephen Rothwell | 3750f60 | 2009-01-16 14:55:28 -0800 | [diff] [blame] | 1734 | "a LID h_ret=%lli ehca_qp=%p qp_num=%x", |
Heiko J Schick | fab9722 | 2006-09-22 15:22:22 -0700 | [diff] [blame] | 1735 | h_ret, my_qp, ibqp->qp_num); |
| 1736 | goto modify_qp_exit2; |
| 1737 | } |
| 1738 | } |
Stefan Roscher | 1988d1f | 2009-05-13 16:52:43 -0700 | [diff] [blame] | 1739 | if ((qp_new_state == IB_QPS_ERR) && (qp_cur_state != IB_QPS_ERR) |
| 1740 | && !is_user) { |
Alexander Schmidt | b9012e0 | 2008-09-20 20:05:21 -0700 | [diff] [blame] | 1741 | ret = check_for_left_cqes(my_qp, shca); |
| 1742 | if (ret) |
| 1743 | goto modify_qp_exit2; |
| 1744 | } |
Heiko J Schick | fab9722 | 2006-09-22 15:22:22 -0700 | [diff] [blame] | 1745 | |
| 1746 | if (statetrans == IB_QPST_ANY2RESET) { |
| 1747 | ipz_qeit_reset(&my_qp->ipz_rqueue); |
| 1748 | ipz_qeit_reset(&my_qp->ipz_squeue); |
Alexander Schmidt | b9012e0 | 2008-09-20 20:05:21 -0700 | [diff] [blame] | 1749 | |
Stefan Roscher | 1988d1f | 2009-05-13 16:52:43 -0700 | [diff] [blame] | 1750 | if (qp_cur_state == IB_QPS_ERR && !is_user) { |
Alexander Schmidt | b9012e0 | 2008-09-20 20:05:21 -0700 | [diff] [blame] | 1751 | del_from_err_list(my_qp->send_cq, &my_qp->sq_err_node); |
| 1752 | |
| 1753 | if (HAS_RQ(my_qp)) |
| 1754 | del_from_err_list(my_qp->recv_cq, |
| 1755 | &my_qp->rq_err_node); |
| 1756 | } |
Stefan Roscher | 1988d1f | 2009-05-13 16:52:43 -0700 | [diff] [blame] | 1757 | if (!is_user) |
| 1758 | reset_queue_map(&my_qp->sq_map); |
Alexander Schmidt | b9012e0 | 2008-09-20 20:05:21 -0700 | [diff] [blame] | 1759 | |
Stefan Roscher | 1988d1f | 2009-05-13 16:52:43 -0700 | [diff] [blame] | 1760 | if (HAS_RQ(my_qp) && !is_user) |
Alexander Schmidt | b9012e0 | 2008-09-20 20:05:21 -0700 | [diff] [blame] | 1761 | reset_queue_map(&my_qp->rq_map); |
Heiko J Schick | fab9722 | 2006-09-22 15:22:22 -0700 | [diff] [blame] | 1762 | } |
| 1763 | |
| 1764 | if (attr_mask & IB_QP_QKEY) |
| 1765 | my_qp->qkey = attr->qkey; |
| 1766 | |
| 1767 | modify_qp_exit2: |
| 1768 | if (squeue_locked) { /* this means: sqe -> rts */ |
Joachim Fenkes | 9844b71 | 2007-07-09 15:29:03 +0200 | [diff] [blame] | 1769 | spin_unlock_irqrestore(&my_qp->spinlock_s, flags); |
Heiko J Schick | fab9722 | 2006-09-22 15:22:22 -0700 | [diff] [blame] | 1770 | my_qp->sqerr_purgeflag = 1; |
| 1771 | } |
| 1772 | |
| 1773 | modify_qp_exit1: |
Hoang-Nam Nguyen | 7e28db5 | 2006-11-07 00:56:39 +0100 | [diff] [blame] | 1774 | ehca_free_fw_ctrlblock(mqpcb); |
Heiko J Schick | fab9722 | 2006-09-22 15:22:22 -0700 | [diff] [blame] | 1775 | |
| 1776 | return ret; |
| 1777 | } |
| 1778 | |
Ralph Campbell | 9bc57e2 | 2006-08-11 14:58:09 -0700 | [diff] [blame] | 1779 | int ehca_modify_qp(struct ib_qp *ibqp, struct ib_qp_attr *attr, int attr_mask, |
| 1780 | struct ib_udata *udata) |
Heiko J Schick | fab9722 | 2006-09-22 15:22:22 -0700 | [diff] [blame] | 1781 | { |
Alexander Schmidt | 51ad241 | 2008-08-12 15:46:07 +0200 | [diff] [blame] | 1782 | int ret = 0; |
| 1783 | |
Hoang-Nam Nguyen | bbdd267 | 2008-01-17 15:05:45 +0100 | [diff] [blame] | 1784 | struct ehca_shca *shca = container_of(ibqp->device, struct ehca_shca, |
| 1785 | ib_device); |
Heiko J Schick | fab9722 | 2006-09-22 15:22:22 -0700 | [diff] [blame] | 1786 | struct ehca_qp *my_qp = container_of(ibqp, struct ehca_qp, ib_qp); |
Heiko J Schick | fab9722 | 2006-09-22 15:22:22 -0700 | [diff] [blame] | 1787 | |
Hoang-Nam Nguyen | bbdd267 | 2008-01-17 15:05:45 +0100 | [diff] [blame] | 1788 | /* The if-block below caches qp_attr to be modified for GSI and SMI |
| 1789 | * qps during the initialization by ib_mad. When the respective port |
| 1790 | * is activated, ie we got an event PORT_ACTIVE, we'll replay the |
| 1791 | * cached modify calls sequence, see ehca_recover_sqs() below. |
| 1792 | * Why that is required: |
| 1793 | * 1) If one port is connected, older code requires that port one |
| 1794 | * to be connected and module option nr_ports=1 to be given by |
| 1795 | * user, which is very inconvenient for end user. |
| 1796 | * 2) Firmware accepts modify_qp() only if respective port has become |
| 1797 | * active. Older code had a wait loop of 30sec create_qp()/ |
| 1798 | * define_aqp1(), which is not appropriate in practice. This |
| 1799 | * code now removes that wait loop, see define_aqp1(), and always |
| 1800 | * reports all ports to ib_mad resp. users. Only activated ports |
| 1801 | * will then usable for the users. |
| 1802 | */ |
| 1803 | if (ibqp->qp_type == IB_QPT_GSI || ibqp->qp_type == IB_QPT_SMI) { |
| 1804 | int port = my_qp->init_attr.port_num; |
| 1805 | struct ehca_sport *sport = &shca->sport[port - 1]; |
| 1806 | unsigned long flags; |
| 1807 | spin_lock_irqsave(&sport->mod_sqp_lock, flags); |
| 1808 | /* cache qp_attr only during init */ |
| 1809 | if (my_qp->mod_qp_parm) { |
| 1810 | struct ehca_mod_qp_parm *p; |
| 1811 | if (my_qp->mod_qp_parm_idx >= EHCA_MOD_QP_PARM_MAX) { |
| 1812 | ehca_err(&shca->ib_device, |
| 1813 | "mod_qp_parm overflow state=%x port=%x" |
| 1814 | " type=%x", attr->qp_state, |
| 1815 | my_qp->init_attr.port_num, |
| 1816 | ibqp->qp_type); |
| 1817 | spin_unlock_irqrestore(&sport->mod_sqp_lock, |
| 1818 | flags); |
| 1819 | return -EINVAL; |
| 1820 | } |
| 1821 | p = &my_qp->mod_qp_parm[my_qp->mod_qp_parm_idx]; |
| 1822 | p->mask = attr_mask; |
| 1823 | p->attr = *attr; |
| 1824 | my_qp->mod_qp_parm_idx++; |
| 1825 | ehca_dbg(&shca->ib_device, |
| 1826 | "Saved qp_attr for state=%x port=%x type=%x", |
| 1827 | attr->qp_state, my_qp->init_attr.port_num, |
| 1828 | ibqp->qp_type); |
| 1829 | spin_unlock_irqrestore(&sport->mod_sqp_lock, flags); |
Alexander Schmidt | 51ad241 | 2008-08-12 15:46:07 +0200 | [diff] [blame] | 1830 | goto out; |
Hoang-Nam Nguyen | bbdd267 | 2008-01-17 15:05:45 +0100 | [diff] [blame] | 1831 | } |
| 1832 | spin_unlock_irqrestore(&sport->mod_sqp_lock, flags); |
| 1833 | } |
| 1834 | |
Alexander Schmidt | 51ad241 | 2008-08-12 15:46:07 +0200 | [diff] [blame] | 1835 | ret = internal_modify_qp(ibqp, attr, attr_mask, 0); |
| 1836 | |
| 1837 | out: |
| 1838 | if ((ret == 0) && (attr_mask & IB_QP_STATE)) |
| 1839 | my_qp->state = attr->qp_state; |
| 1840 | |
| 1841 | return ret; |
Heiko J Schick | fab9722 | 2006-09-22 15:22:22 -0700 | [diff] [blame] | 1842 | } |
| 1843 | |
Hoang-Nam Nguyen | bbdd267 | 2008-01-17 15:05:45 +0100 | [diff] [blame] | 1844 | void ehca_recover_sqp(struct ib_qp *sqp) |
| 1845 | { |
| 1846 | struct ehca_qp *my_sqp = container_of(sqp, struct ehca_qp, ib_qp); |
| 1847 | int port = my_sqp->init_attr.port_num; |
| 1848 | struct ib_qp_attr attr; |
| 1849 | struct ehca_mod_qp_parm *qp_parm; |
| 1850 | int i, qp_parm_idx, ret; |
| 1851 | unsigned long flags, wr_cnt; |
| 1852 | |
| 1853 | if (!my_sqp->mod_qp_parm) |
| 1854 | return; |
| 1855 | ehca_dbg(sqp->device, "SQP port=%x qp_num=%x", port, sqp->qp_num); |
| 1856 | |
| 1857 | qp_parm = my_sqp->mod_qp_parm; |
| 1858 | qp_parm_idx = my_sqp->mod_qp_parm_idx; |
| 1859 | for (i = 0; i < qp_parm_idx; i++) { |
| 1860 | attr = qp_parm[i].attr; |
| 1861 | ret = internal_modify_qp(sqp, &attr, qp_parm[i].mask, 0); |
| 1862 | if (ret) { |
| 1863 | ehca_err(sqp->device, "Could not modify SQP port=%x " |
| 1864 | "qp_num=%x ret=%x", port, sqp->qp_num, ret); |
| 1865 | goto free_qp_parm; |
| 1866 | } |
| 1867 | ehca_dbg(sqp->device, "SQP port=%x qp_num=%x in state=%x", |
| 1868 | port, sqp->qp_num, attr.qp_state); |
| 1869 | } |
| 1870 | |
| 1871 | /* re-trigger posted recv wrs */ |
| 1872 | wr_cnt = my_sqp->ipz_rqueue.current_q_offset / |
| 1873 | my_sqp->ipz_rqueue.qe_size; |
| 1874 | if (wr_cnt) { |
| 1875 | spin_lock_irqsave(&my_sqp->spinlock_r, flags); |
| 1876 | hipz_update_rqa(my_sqp, wr_cnt); |
| 1877 | spin_unlock_irqrestore(&my_sqp->spinlock_r, flags); |
| 1878 | ehca_dbg(sqp->device, "doorbell port=%x qp_num=%x wr_cnt=%lx", |
| 1879 | port, sqp->qp_num, wr_cnt); |
| 1880 | } |
| 1881 | |
| 1882 | free_qp_parm: |
| 1883 | kfree(qp_parm); |
| 1884 | /* this prevents subsequent calls to modify_qp() to cache qp_attr */ |
| 1885 | my_sqp->mod_qp_parm = NULL; |
| 1886 | } |
| 1887 | |
Heiko J Schick | fab9722 | 2006-09-22 15:22:22 -0700 | [diff] [blame] | 1888 | int ehca_query_qp(struct ib_qp *qp, |
| 1889 | struct ib_qp_attr *qp_attr, |
| 1890 | int qp_attr_mask, struct ib_qp_init_attr *qp_init_attr) |
| 1891 | { |
| 1892 | struct ehca_qp *my_qp = container_of(qp, struct ehca_qp, ib_qp); |
Heiko J Schick | fab9722 | 2006-09-22 15:22:22 -0700 | [diff] [blame] | 1893 | struct ehca_shca *shca = container_of(qp->device, struct ehca_shca, |
| 1894 | ib_device); |
| 1895 | struct ipz_adapter_handle adapter_handle = shca->ipz_hca_handle; |
| 1896 | struct hcp_modify_qp_control_block *qpcb; |
Heiko J Schick | fab9722 | 2006-09-22 15:22:22 -0700 | [diff] [blame] | 1897 | int cnt, ret = 0; |
| 1898 | u64 h_ret; |
| 1899 | |
Heiko J Schick | fab9722 | 2006-09-22 15:22:22 -0700 | [diff] [blame] | 1900 | if (qp_attr_mask & QP_ATTR_QUERY_NOT_SUPPORTED) { |
Hoang-Nam Nguyen | 2b94397 | 2007-07-12 17:53:47 +0200 | [diff] [blame] | 1901 | ehca_err(qp->device, "Invalid attribute mask " |
Heiko J Schick | fab9722 | 2006-09-22 15:22:22 -0700 | [diff] [blame] | 1902 | "ehca_qp=%p qp_num=%x qp_attr_mask=%x ", |
| 1903 | my_qp, qp->qp_num, qp_attr_mask); |
| 1904 | return -EINVAL; |
| 1905 | } |
| 1906 | |
Hoang-Nam Nguyen | f2d9136 | 2007-01-09 18:04:14 +0100 | [diff] [blame] | 1907 | qpcb = ehca_alloc_fw_ctrlblock(GFP_KERNEL); |
Heiko J Schick | fab9722 | 2006-09-22 15:22:22 -0700 | [diff] [blame] | 1908 | if (!qpcb) { |
Hoang-Nam Nguyen | 2b94397 | 2007-07-12 17:53:47 +0200 | [diff] [blame] | 1909 | ehca_err(qp->device, "Out of memory for qpcb " |
Heiko J Schick | fab9722 | 2006-09-22 15:22:22 -0700 | [diff] [blame] | 1910 | "ehca_qp=%p qp_num=%x", my_qp, qp->qp_num); |
| 1911 | return -ENOMEM; |
| 1912 | } |
| 1913 | |
| 1914 | h_ret = hipz_h_query_qp(adapter_handle, |
| 1915 | my_qp->ipz_qp_handle, |
| 1916 | &my_qp->pf, |
| 1917 | qpcb, my_qp->galpas.kernel); |
| 1918 | |
| 1919 | if (h_ret != H_SUCCESS) { |
| 1920 | ret = ehca2ib_return_code(h_ret); |
Hoang-Nam Nguyen | 2b94397 | 2007-07-12 17:53:47 +0200 | [diff] [blame] | 1921 | ehca_err(qp->device, "hipz_h_query_qp() failed " |
Stephen Rothwell | 3750f60 | 2009-01-16 14:55:28 -0800 | [diff] [blame] | 1922 | "ehca_qp=%p qp_num=%x h_ret=%lli", |
Heiko J Schick | fab9722 | 2006-09-22 15:22:22 -0700 | [diff] [blame] | 1923 | my_qp, qp->qp_num, h_ret); |
| 1924 | goto query_qp_exit1; |
| 1925 | } |
| 1926 | |
| 1927 | qp_attr->cur_qp_state = ehca2ib_qp_state(qpcb->qp_state); |
| 1928 | qp_attr->qp_state = qp_attr->cur_qp_state; |
| 1929 | |
| 1930 | if (qp_attr->cur_qp_state == -EINVAL) { |
| 1931 | ret = -EINVAL; |
Hoang-Nam Nguyen | 2b94397 | 2007-07-12 17:53:47 +0200 | [diff] [blame] | 1932 | ehca_err(qp->device, "Got invalid ehca_qp_state=%x " |
Heiko J Schick | fab9722 | 2006-09-22 15:22:22 -0700 | [diff] [blame] | 1933 | "ehca_qp=%p qp_num=%x", |
| 1934 | qpcb->qp_state, my_qp, qp->qp_num); |
| 1935 | goto query_qp_exit1; |
| 1936 | } |
| 1937 | |
| 1938 | if (qp_attr->qp_state == IB_QPS_SQD) |
| 1939 | qp_attr->sq_draining = 1; |
| 1940 | |
| 1941 | qp_attr->qkey = qpcb->qkey; |
| 1942 | qp_attr->path_mtu = qpcb->path_mtu; |
Joachim Fenkes | e90d0b3 | 2007-09-11 15:34:04 +0200 | [diff] [blame] | 1943 | qp_attr->path_mig_state = qpcb->path_migration_state - 1; |
Heiko J Schick | fab9722 | 2006-09-22 15:22:22 -0700 | [diff] [blame] | 1944 | qp_attr->rq_psn = qpcb->receive_psn; |
| 1945 | qp_attr->sq_psn = qpcb->send_psn; |
| 1946 | qp_attr->min_rnr_timer = qpcb->min_rnr_nak_timer_field; |
| 1947 | qp_attr->cap.max_send_wr = qpcb->max_nr_outst_send_wr-1; |
| 1948 | qp_attr->cap.max_recv_wr = qpcb->max_nr_outst_recv_wr-1; |
| 1949 | /* UD_AV CIRCUMVENTION */ |
| 1950 | if (my_qp->qp_type == IB_QPT_UD) { |
| 1951 | qp_attr->cap.max_send_sge = |
| 1952 | qpcb->actual_nr_sges_in_sq_wqe - 2; |
| 1953 | qp_attr->cap.max_recv_sge = |
| 1954 | qpcb->actual_nr_sges_in_rq_wqe - 2; |
| 1955 | } else { |
| 1956 | qp_attr->cap.max_send_sge = |
| 1957 | qpcb->actual_nr_sges_in_sq_wqe; |
| 1958 | qp_attr->cap.max_recv_sge = |
| 1959 | qpcb->actual_nr_sges_in_rq_wqe; |
| 1960 | } |
| 1961 | |
| 1962 | qp_attr->cap.max_inline_data = my_qp->sq_max_inline_data_size; |
| 1963 | qp_attr->dest_qp_num = qpcb->dest_qp_nr; |
| 1964 | |
Joachim Fenkes | 25a5239 | 2009-06-03 13:25:42 -0700 | [diff] [blame] | 1965 | qp_attr->pkey_index = qpcb->prim_p_key_idx; |
| 1966 | qp_attr->port_num = qpcb->prim_phys_port; |
Heiko J Schick | fab9722 | 2006-09-22 15:22:22 -0700 | [diff] [blame] | 1967 | qp_attr->timeout = qpcb->timeout; |
| 1968 | qp_attr->retry_cnt = qpcb->retry_count; |
| 1969 | qp_attr->rnr_retry = qpcb->rnr_retry_count; |
| 1970 | |
Joachim Fenkes | 25a5239 | 2009-06-03 13:25:42 -0700 | [diff] [blame] | 1971 | qp_attr->alt_pkey_index = qpcb->alt_p_key_idx; |
Heiko J Schick | fab9722 | 2006-09-22 15:22:22 -0700 | [diff] [blame] | 1972 | qp_attr->alt_port_num = qpcb->alt_phys_port; |
| 1973 | qp_attr->alt_timeout = qpcb->timeout_al; |
| 1974 | |
Hoang-Nam Nguyen | 15f001e | 2007-07-09 15:28:18 +0200 | [diff] [blame] | 1975 | qp_attr->max_dest_rd_atomic = qpcb->rdma_nr_atomic_resp_res; |
| 1976 | qp_attr->max_rd_atomic = qpcb->rdma_atomic_outst_dest_qp; |
| 1977 | |
Heiko J Schick | fab9722 | 2006-09-22 15:22:22 -0700 | [diff] [blame] | 1978 | /* primary av */ |
| 1979 | qp_attr->ah_attr.sl = qpcb->service_level; |
| 1980 | |
| 1981 | if (qpcb->send_grh_flag) { |
| 1982 | qp_attr->ah_attr.ah_flags = IB_AH_GRH; |
| 1983 | } |
| 1984 | |
| 1985 | qp_attr->ah_attr.static_rate = qpcb->max_static_rate; |
| 1986 | qp_attr->ah_attr.dlid = qpcb->dlid; |
| 1987 | qp_attr->ah_attr.src_path_bits = qpcb->source_path_bits; |
| 1988 | qp_attr->ah_attr.port_num = qp_attr->port_num; |
| 1989 | |
| 1990 | /* primary GRH */ |
| 1991 | qp_attr->ah_attr.grh.traffic_class = qpcb->traffic_class; |
| 1992 | qp_attr->ah_attr.grh.hop_limit = qpcb->hop_limit; |
| 1993 | qp_attr->ah_attr.grh.sgid_index = qpcb->source_gid_idx; |
| 1994 | qp_attr->ah_attr.grh.flow_label = qpcb->flow_label; |
| 1995 | |
| 1996 | for (cnt = 0; cnt < 16; cnt++) |
| 1997 | qp_attr->ah_attr.grh.dgid.raw[cnt] = |
| 1998 | qpcb->dest_gid.byte[cnt]; |
| 1999 | |
| 2000 | /* alternate AV */ |
| 2001 | qp_attr->alt_ah_attr.sl = qpcb->service_level_al; |
| 2002 | if (qpcb->send_grh_flag_al) { |
| 2003 | qp_attr->alt_ah_attr.ah_flags = IB_AH_GRH; |
| 2004 | } |
| 2005 | |
| 2006 | qp_attr->alt_ah_attr.static_rate = qpcb->max_static_rate_al; |
| 2007 | qp_attr->alt_ah_attr.dlid = qpcb->dlid_al; |
| 2008 | qp_attr->alt_ah_attr.src_path_bits = qpcb->source_path_bits_al; |
| 2009 | |
| 2010 | /* alternate GRH */ |
| 2011 | qp_attr->alt_ah_attr.grh.traffic_class = qpcb->traffic_class_al; |
| 2012 | qp_attr->alt_ah_attr.grh.hop_limit = qpcb->hop_limit_al; |
| 2013 | qp_attr->alt_ah_attr.grh.sgid_index = qpcb->source_gid_idx_al; |
| 2014 | qp_attr->alt_ah_attr.grh.flow_label = qpcb->flow_label_al; |
| 2015 | |
| 2016 | for (cnt = 0; cnt < 16; cnt++) |
| 2017 | qp_attr->alt_ah_attr.grh.dgid.raw[cnt] = |
| 2018 | qpcb->dest_gid_al.byte[cnt]; |
| 2019 | |
| 2020 | /* return init attributes given in ehca_create_qp */ |
| 2021 | if (qp_init_attr) |
| 2022 | *qp_init_attr = my_qp->init_attr; |
| 2023 | |
Joachim Fenkes | 4da27d6 | 2008-04-23 11:55:45 -0700 | [diff] [blame] | 2024 | if (ehca_debug_level >= 2) |
Heiko J Schick | fab9722 | 2006-09-22 15:22:22 -0700 | [diff] [blame] | 2025 | ehca_dmp(qpcb, 4*70, "qp_num=%x", qp->qp_num); |
| 2026 | |
| 2027 | query_qp_exit1: |
Hoang-Nam Nguyen | 7e28db5 | 2006-11-07 00:56:39 +0100 | [diff] [blame] | 2028 | ehca_free_fw_ctrlblock(qpcb); |
Heiko J Schick | fab9722 | 2006-09-22 15:22:22 -0700 | [diff] [blame] | 2029 | |
| 2030 | return ret; |
| 2031 | } |
| 2032 | |
Joachim Fenkes | a6a1294 | 2007-07-09 15:25:10 +0200 | [diff] [blame] | 2033 | int ehca_modify_srq(struct ib_srq *ibsrq, struct ib_srq_attr *attr, |
| 2034 | enum ib_srq_attr_mask attr_mask, struct ib_udata *udata) |
Heiko J Schick | fab9722 | 2006-09-22 15:22:22 -0700 | [diff] [blame] | 2035 | { |
Joachim Fenkes | a6a1294 | 2007-07-09 15:25:10 +0200 | [diff] [blame] | 2036 | struct ehca_qp *my_qp = |
| 2037 | container_of(ibsrq, struct ehca_qp, ib_srq); |
Joachim Fenkes | a6a1294 | 2007-07-09 15:25:10 +0200 | [diff] [blame] | 2038 | struct ehca_shca *shca = |
| 2039 | container_of(ibsrq->pd->device, struct ehca_shca, ib_device); |
| 2040 | struct hcp_modify_qp_control_block *mqpcb; |
| 2041 | u64 update_mask; |
| 2042 | u64 h_ret; |
| 2043 | int ret = 0; |
| 2044 | |
Joachim Fenkes | a6a1294 | 2007-07-09 15:25:10 +0200 | [diff] [blame] | 2045 | mqpcb = ehca_alloc_fw_ctrlblock(GFP_KERNEL); |
| 2046 | if (!mqpcb) { |
| 2047 | ehca_err(ibsrq->device, "Could not get zeroed page for mqpcb " |
| 2048 | "ehca_qp=%p qp_num=%x ", my_qp, my_qp->real_qp_num); |
| 2049 | return -ENOMEM; |
| 2050 | } |
| 2051 | |
| 2052 | update_mask = 0; |
| 2053 | if (attr_mask & IB_SRQ_LIMIT) { |
| 2054 | attr_mask &= ~IB_SRQ_LIMIT; |
| 2055 | update_mask |= |
| 2056 | EHCA_BMASK_SET(MQPCB_MASK_CURR_SRQ_LIMIT, 1) |
| 2057 | | EHCA_BMASK_SET(MQPCB_MASK_QP_AFF_ASYN_EV_LOG_REG, 1); |
Joachim Fenkes | 25a5239 | 2009-06-03 13:25:42 -0700 | [diff] [blame] | 2058 | mqpcb->curr_srq_limit = attr->srq_limit; |
Joachim Fenkes | a6a1294 | 2007-07-09 15:25:10 +0200 | [diff] [blame] | 2059 | mqpcb->qp_aff_asyn_ev_log_reg = |
| 2060 | EHCA_BMASK_SET(QPX_AAELOG_RESET_SRQ_LIMIT, 1); |
| 2061 | } |
| 2062 | |
| 2063 | /* by now, all bits in attr_mask should have been cleared */ |
| 2064 | if (attr_mask) { |
| 2065 | ehca_err(ibsrq->device, "invalid attribute mask bits set " |
| 2066 | "attr_mask=%x", attr_mask); |
| 2067 | ret = -EINVAL; |
| 2068 | goto modify_srq_exit0; |
| 2069 | } |
| 2070 | |
Joachim Fenkes | 4da27d6 | 2008-04-23 11:55:45 -0700 | [diff] [blame] | 2071 | if (ehca_debug_level >= 2) |
Joachim Fenkes | a6a1294 | 2007-07-09 15:25:10 +0200 | [diff] [blame] | 2072 | ehca_dmp(mqpcb, 4*70, "qp_num=%x", my_qp->real_qp_num); |
| 2073 | |
| 2074 | h_ret = hipz_h_modify_qp(shca->ipz_hca_handle, my_qp->ipz_qp_handle, |
| 2075 | NULL, update_mask, mqpcb, |
| 2076 | my_qp->galpas.kernel); |
| 2077 | |
| 2078 | if (h_ret != H_SUCCESS) { |
| 2079 | ret = ehca2ib_return_code(h_ret); |
Stephen Rothwell | 3750f60 | 2009-01-16 14:55:28 -0800 | [diff] [blame] | 2080 | ehca_err(ibsrq->device, "hipz_h_modify_qp() failed h_ret=%lli " |
Joachim Fenkes | a6a1294 | 2007-07-09 15:25:10 +0200 | [diff] [blame] | 2081 | "ehca_qp=%p qp_num=%x", |
| 2082 | h_ret, my_qp, my_qp->real_qp_num); |
| 2083 | } |
| 2084 | |
| 2085 | modify_srq_exit0: |
| 2086 | ehca_free_fw_ctrlblock(mqpcb); |
| 2087 | |
| 2088 | return ret; |
| 2089 | } |
| 2090 | |
| 2091 | int ehca_query_srq(struct ib_srq *srq, struct ib_srq_attr *srq_attr) |
| 2092 | { |
| 2093 | struct ehca_qp *my_qp = container_of(srq, struct ehca_qp, ib_srq); |
Joachim Fenkes | a6a1294 | 2007-07-09 15:25:10 +0200 | [diff] [blame] | 2094 | struct ehca_shca *shca = container_of(srq->device, struct ehca_shca, |
Heiko J Schick | fab9722 | 2006-09-22 15:22:22 -0700 | [diff] [blame] | 2095 | ib_device); |
Joachim Fenkes | a6a1294 | 2007-07-09 15:25:10 +0200 | [diff] [blame] | 2096 | struct ipz_adapter_handle adapter_handle = shca->ipz_hca_handle; |
| 2097 | struct hcp_modify_qp_control_block *qpcb; |
Joachim Fenkes | a6a1294 | 2007-07-09 15:25:10 +0200 | [diff] [blame] | 2098 | int ret = 0; |
| 2099 | u64 h_ret; |
| 2100 | |
Joachim Fenkes | a6a1294 | 2007-07-09 15:25:10 +0200 | [diff] [blame] | 2101 | qpcb = ehca_alloc_fw_ctrlblock(GFP_KERNEL); |
| 2102 | if (!qpcb) { |
| 2103 | ehca_err(srq->device, "Out of memory for qpcb " |
| 2104 | "ehca_qp=%p qp_num=%x", my_qp, my_qp->real_qp_num); |
| 2105 | return -ENOMEM; |
| 2106 | } |
| 2107 | |
| 2108 | h_ret = hipz_h_query_qp(adapter_handle, my_qp->ipz_qp_handle, |
| 2109 | NULL, qpcb, my_qp->galpas.kernel); |
| 2110 | |
| 2111 | if (h_ret != H_SUCCESS) { |
| 2112 | ret = ehca2ib_return_code(h_ret); |
| 2113 | ehca_err(srq->device, "hipz_h_query_qp() failed " |
Stephen Rothwell | 3750f60 | 2009-01-16 14:55:28 -0800 | [diff] [blame] | 2114 | "ehca_qp=%p qp_num=%x h_ret=%lli", |
Joachim Fenkes | a6a1294 | 2007-07-09 15:25:10 +0200 | [diff] [blame] | 2115 | my_qp, my_qp->real_qp_num, h_ret); |
| 2116 | goto query_srq_exit1; |
| 2117 | } |
| 2118 | |
| 2119 | srq_attr->max_wr = qpcb->max_nr_outst_recv_wr - 1; |
Joachim Fenkes | 1457edc | 2007-12-10 12:20:57 +0100 | [diff] [blame] | 2120 | srq_attr->max_sge = 3; |
Joachim Fenkes | 25a5239 | 2009-06-03 13:25:42 -0700 | [diff] [blame] | 2121 | srq_attr->srq_limit = qpcb->curr_srq_limit; |
Joachim Fenkes | a6a1294 | 2007-07-09 15:25:10 +0200 | [diff] [blame] | 2122 | |
Joachim Fenkes | 4da27d6 | 2008-04-23 11:55:45 -0700 | [diff] [blame] | 2123 | if (ehca_debug_level >= 2) |
Joachim Fenkes | a6a1294 | 2007-07-09 15:25:10 +0200 | [diff] [blame] | 2124 | ehca_dmp(qpcb, 4*70, "qp_num=%x", my_qp->real_qp_num); |
| 2125 | |
| 2126 | query_srq_exit1: |
| 2127 | ehca_free_fw_ctrlblock(qpcb); |
| 2128 | |
| 2129 | return ret; |
| 2130 | } |
| 2131 | |
Joachim Fenkes | 0c10f7b | 2007-07-19 21:40:00 +0200 | [diff] [blame] | 2132 | static int internal_destroy_qp(struct ib_device *dev, struct ehca_qp *my_qp, |
| 2133 | struct ib_uobject *uobject) |
Joachim Fenkes | a6a1294 | 2007-07-09 15:25:10 +0200 | [diff] [blame] | 2134 | { |
| 2135 | struct ehca_shca *shca = container_of(dev, struct ehca_shca, ib_device); |
Heiko J Schick | fab9722 | 2006-09-22 15:22:22 -0700 | [diff] [blame] | 2136 | struct ehca_pd *my_pd = container_of(my_qp->ib_qp.pd, struct ehca_pd, |
| 2137 | ib_pd); |
Hoang-Nam Nguyen | bbdd267 | 2008-01-17 15:05:45 +0100 | [diff] [blame] | 2138 | struct ehca_sport *sport = &shca->sport[my_qp->init_attr.port_num - 1]; |
Joachim Fenkes | a6a1294 | 2007-07-09 15:25:10 +0200 | [diff] [blame] | 2139 | u32 qp_num = my_qp->real_qp_num; |
Heiko J Schick | fab9722 | 2006-09-22 15:22:22 -0700 | [diff] [blame] | 2140 | int ret; |
| 2141 | u64 h_ret; |
| 2142 | u8 port_num; |
Stefan Roscher | 1988d1f | 2009-05-13 16:52:43 -0700 | [diff] [blame] | 2143 | int is_user = 0; |
Heiko J Schick | fab9722 | 2006-09-22 15:22:22 -0700 | [diff] [blame] | 2144 | enum ib_qp_type qp_type; |
| 2145 | unsigned long flags; |
| 2146 | |
Joachim Fenkes | a6a1294 | 2007-07-09 15:25:10 +0200 | [diff] [blame] | 2147 | if (uobject) { |
Stefan Roscher | 1988d1f | 2009-05-13 16:52:43 -0700 | [diff] [blame] | 2148 | is_user = 1; |
Hoang-Nam Nguyen | 4c34bdf | 2007-01-24 00:13:35 +0100 | [diff] [blame] | 2149 | if (my_qp->mm_count_galpa || |
| 2150 | my_qp->mm_count_rqueue || my_qp->mm_count_squeue) { |
Joachim Fenkes | a6a1294 | 2007-07-09 15:25:10 +0200 | [diff] [blame] | 2151 | ehca_err(dev, "Resources still referenced in " |
| 2152 | "user space qp_num=%x", qp_num); |
Hoang-Nam Nguyen | 4c34bdf | 2007-01-24 00:13:35 +0100 | [diff] [blame] | 2153 | return -EINVAL; |
| 2154 | } |
Heiko J Schick | fab9722 | 2006-09-22 15:22:22 -0700 | [diff] [blame] | 2155 | } |
| 2156 | |
| 2157 | if (my_qp->send_cq) { |
Joachim Fenkes | a6a1294 | 2007-07-09 15:25:10 +0200 | [diff] [blame] | 2158 | ret = ehca_cq_unassign_qp(my_qp->send_cq, qp_num); |
Heiko J Schick | fab9722 | 2006-09-22 15:22:22 -0700 | [diff] [blame] | 2159 | if (ret) { |
Joachim Fenkes | a6a1294 | 2007-07-09 15:25:10 +0200 | [diff] [blame] | 2160 | ehca_err(dev, "Couldn't unassign qp from " |
Joachim Fenkes | e372219 | 2007-09-11 15:32:22 +0200 | [diff] [blame] | 2161 | "send_cq ret=%i qp_num=%x cq_num=%x", ret, |
Joachim Fenkes | a6a1294 | 2007-07-09 15:25:10 +0200 | [diff] [blame] | 2162 | qp_num, my_qp->send_cq->cq_number); |
Heiko J Schick | fab9722 | 2006-09-22 15:22:22 -0700 | [diff] [blame] | 2163 | return ret; |
| 2164 | } |
| 2165 | } |
| 2166 | |
Joachim Fenkes | 26ed687 | 2007-07-09 15:31:10 +0200 | [diff] [blame] | 2167 | write_lock_irqsave(&ehca_qp_idr_lock, flags); |
Heiko J Schick | fab9722 | 2006-09-22 15:22:22 -0700 | [diff] [blame] | 2168 | idr_remove(&ehca_qp_idr, my_qp->token); |
Joachim Fenkes | 26ed687 | 2007-07-09 15:31:10 +0200 | [diff] [blame] | 2169 | write_unlock_irqrestore(&ehca_qp_idr_lock, flags); |
Heiko J Schick | fab9722 | 2006-09-22 15:22:22 -0700 | [diff] [blame] | 2170 | |
Alexander Schmidt | b9012e0 | 2008-09-20 20:05:21 -0700 | [diff] [blame] | 2171 | /* |
| 2172 | * SRQs will never get into an error list and do not have a recv_cq, |
| 2173 | * so we need to skip them here. |
| 2174 | */ |
Stefan Roscher | 1988d1f | 2009-05-13 16:52:43 -0700 | [diff] [blame] | 2175 | if (HAS_RQ(my_qp) && !IS_SRQ(my_qp) && !is_user) |
Alexander Schmidt | b9012e0 | 2008-09-20 20:05:21 -0700 | [diff] [blame] | 2176 | del_from_err_list(my_qp->recv_cq, &my_qp->rq_err_node); |
| 2177 | |
Stefan Roscher | 1988d1f | 2009-05-13 16:52:43 -0700 | [diff] [blame] | 2178 | if (HAS_SQ(my_qp) && !is_user) |
Alexander Schmidt | b9012e0 | 2008-09-20 20:05:21 -0700 | [diff] [blame] | 2179 | del_from_err_list(my_qp->send_cq, &my_qp->sq_err_node); |
| 2180 | |
Stefan Roscher | 12137c5 | 2008-05-07 11:35:06 -0700 | [diff] [blame] | 2181 | /* now wait until all pending events have completed */ |
| 2182 | wait_event(my_qp->wait_completion, !atomic_read(&my_qp->nr_events)); |
| 2183 | |
Heiko J Schick | fab9722 | 2006-09-22 15:22:22 -0700 | [diff] [blame] | 2184 | h_ret = hipz_h_destroy_qp(shca->ipz_hca_handle, my_qp); |
| 2185 | if (h_ret != H_SUCCESS) { |
Stephen Rothwell | 3750f60 | 2009-01-16 14:55:28 -0800 | [diff] [blame] | 2186 | ehca_err(dev, "hipz_h_destroy_qp() failed h_ret=%lli " |
Heiko J Schick | fab9722 | 2006-09-22 15:22:22 -0700 | [diff] [blame] | 2187 | "ehca_qp=%p qp_num=%x", h_ret, my_qp, qp_num); |
| 2188 | return ehca2ib_return_code(h_ret); |
| 2189 | } |
| 2190 | |
| 2191 | port_num = my_qp->init_attr.port_num; |
| 2192 | qp_type = my_qp->init_attr.qp_type; |
| 2193 | |
Hoang-Nam Nguyen | bbdd267 | 2008-01-17 15:05:45 +0100 | [diff] [blame] | 2194 | if (qp_type == IB_QPT_SMI || qp_type == IB_QPT_GSI) { |
| 2195 | spin_lock_irqsave(&sport->mod_sqp_lock, flags); |
| 2196 | kfree(my_qp->mod_qp_parm); |
| 2197 | my_qp->mod_qp_parm = NULL; |
| 2198 | shca->sport[port_num - 1].ibqp_sqp[qp_type] = NULL; |
| 2199 | spin_unlock_irqrestore(&sport->mod_sqp_lock, flags); |
| 2200 | } |
| 2201 | |
Heiko J Schick | fab9722 | 2006-09-22 15:22:22 -0700 | [diff] [blame] | 2202 | /* no support for IB_QPT_SMI yet */ |
| 2203 | if (qp_type == IB_QPT_GSI) { |
| 2204 | struct ib_event event; |
Joachim Fenkes | a6a1294 | 2007-07-09 15:25:10 +0200 | [diff] [blame] | 2205 | ehca_info(dev, "device %s: port %x is inactive.", |
Alexander Schmidt | b9012e0 | 2008-09-20 20:05:21 -0700 | [diff] [blame] | 2206 | shca->ib_device.name, port_num); |
Heiko J Schick | fab9722 | 2006-09-22 15:22:22 -0700 | [diff] [blame] | 2207 | event.device = &shca->ib_device; |
| 2208 | event.event = IB_EVENT_PORT_ERR; |
| 2209 | event.element.port_num = port_num; |
| 2210 | shca->sport[port_num - 1].port_state = IB_PORT_DOWN; |
| 2211 | ib_dispatch_event(&event); |
| 2212 | } |
| 2213 | |
Alexander Schmidt | b9012e0 | 2008-09-20 20:05:21 -0700 | [diff] [blame] | 2214 | if (HAS_RQ(my_qp)) { |
Stefan Roscher | e2f81da | 2007-07-20 16:04:17 +0200 | [diff] [blame] | 2215 | ipz_queue_dtor(my_pd, &my_qp->ipz_rqueue); |
Stefan Roscher | 1988d1f | 2009-05-13 16:52:43 -0700 | [diff] [blame] | 2216 | if (!is_user) |
| 2217 | vfree(my_qp->rq_map.map); |
Alexander Schmidt | b9012e0 | 2008-09-20 20:05:21 -0700 | [diff] [blame] | 2218 | } |
Alexander Schmidt | 6773f07 | 2008-08-12 15:46:30 +0200 | [diff] [blame] | 2219 | if (HAS_SQ(my_qp)) { |
Stefan Roscher | e2f81da | 2007-07-20 16:04:17 +0200 | [diff] [blame] | 2220 | ipz_queue_dtor(my_pd, &my_qp->ipz_squeue); |
Stefan Roscher | 1988d1f | 2009-05-13 16:52:43 -0700 | [diff] [blame] | 2221 | if (!is_user) |
| 2222 | vfree(my_qp->sq_map.map); |
Alexander Schmidt | 6773f07 | 2008-08-12 15:46:30 +0200 | [diff] [blame] | 2223 | } |
Heiko J Schick | fab9722 | 2006-09-22 15:22:22 -0700 | [diff] [blame] | 2224 | kmem_cache_free(qp_cache, my_qp); |
Stefan Roscher | d227fa7 | 2008-04-29 13:46:53 -0700 | [diff] [blame] | 2225 | atomic_dec(&shca->num_qps); |
Heiko J Schick | fab9722 | 2006-09-22 15:22:22 -0700 | [diff] [blame] | 2226 | return 0; |
| 2227 | } |
| 2228 | |
Joachim Fenkes | a6a1294 | 2007-07-09 15:25:10 +0200 | [diff] [blame] | 2229 | int ehca_destroy_qp(struct ib_qp *qp) |
| 2230 | { |
| 2231 | return internal_destroy_qp(qp->device, |
| 2232 | container_of(qp, struct ehca_qp, ib_qp), |
| 2233 | qp->uobject); |
| 2234 | } |
| 2235 | |
| 2236 | int ehca_destroy_srq(struct ib_srq *srq) |
| 2237 | { |
| 2238 | return internal_destroy_qp(srq->device, |
| 2239 | container_of(srq, struct ehca_qp, ib_srq), |
| 2240 | srq->uobject); |
| 2241 | } |
| 2242 | |
Heiko J Schick | fab9722 | 2006-09-22 15:22:22 -0700 | [diff] [blame] | 2243 | int ehca_init_qp_cache(void) |
| 2244 | { |
| 2245 | qp_cache = kmem_cache_create("ehca_cache_qp", |
| 2246 | sizeof(struct ehca_qp), 0, |
| 2247 | SLAB_HWCACHE_ALIGN, |
Paul Mundt | 20c2df8 | 2007-07-20 10:11:58 +0900 | [diff] [blame] | 2248 | NULL); |
Heiko J Schick | fab9722 | 2006-09-22 15:22:22 -0700 | [diff] [blame] | 2249 | if (!qp_cache) |
| 2250 | return -ENOMEM; |
| 2251 | return 0; |
| 2252 | } |
| 2253 | |
| 2254 | void ehca_cleanup_qp_cache(void) |
| 2255 | { |
| 2256 | if (qp_cache) |
| 2257 | kmem_cache_destroy(qp_cache); |
| 2258 | } |