1 // SPDX-License-Identifier: GPL-2.0 or Linux-OpenIB 2 /* Copyright (c) 2015 - 2021 Intel Corporation */ 3 #include "osdep.h" 4 #include "status.h" 5 #include "hmc.h" 6 #include "defs.h" 7 #include "type.h" 8 #include "ws.h" 9 #include "protos.h" 10 11 /** 12 * irdma_get_qp_from_list - get next qp from a list 13 * @head: Listhead of qp's 14 * @qp: current qp 15 */ 16 struct irdma_sc_qp *irdma_get_qp_from_list(struct list_head *head, 17 struct irdma_sc_qp *qp) 18 { 19 struct list_head *lastentry; 20 struct list_head *entry = NULL; 21 22 if (list_empty(head)) 23 return NULL; 24 25 if (!qp) { 26 entry = head->next; 27 } else { 28 lastentry = &qp->list; 29 entry = lastentry->next; 30 if (entry == head) 31 return NULL; 32 } 33 34 return container_of(entry, struct irdma_sc_qp, list); 35 } 36 37 /** 38 * irdma_sc_suspend_resume_qps - suspend/resume all qp's on VSI 39 * @vsi: the VSI struct pointer 40 * @op: Set to IRDMA_OP_RESUME or IRDMA_OP_SUSPEND 41 */ 42 void irdma_sc_suspend_resume_qps(struct irdma_sc_vsi *vsi, u8 op) 43 { 44 struct irdma_sc_qp *qp = NULL; 45 u8 i; 46 47 for (i = 0; i < IRDMA_MAX_USER_PRIORITY; i++) { 48 mutex_lock(&vsi->qos[i].qos_mutex); 49 qp = irdma_get_qp_from_list(&vsi->qos[i].qplist, qp); 50 while (qp) { 51 if (op == IRDMA_OP_RESUME) { 52 if (!qp->dev->ws_add(vsi, i)) { 53 qp->qs_handle = 54 vsi->qos[qp->user_pri].qs_handle; 55 irdma_cqp_qp_suspend_resume(qp, op); 56 } else { 57 irdma_cqp_qp_suspend_resume(qp, op); 58 irdma_modify_qp_to_err(qp); 59 } 60 } else if (op == IRDMA_OP_SUSPEND) { 61 /* issue cqp suspend command */ 62 if (!irdma_cqp_qp_suspend_resume(qp, op)) 63 atomic_inc(&vsi->qp_suspend_reqs); 64 } 65 qp = irdma_get_qp_from_list(&vsi->qos[i].qplist, qp); 66 } 67 mutex_unlock(&vsi->qos[i].qos_mutex); 68 } 69 } 70 71 /** 72 * irdma_change_l2params - given the new l2 parameters, change all qp 73 * @vsi: RDMA VSI pointer 74 * @l2params: New parameters from l2 75 */ 76 void irdma_change_l2params(struct irdma_sc_vsi *vsi, 77 struct irdma_l2params *l2params) 78 { 79 if (l2params->mtu_changed) { 80 vsi->mtu = l2params->mtu; 81 if (vsi->ieq) 82 irdma_reinitialize_ieq(vsi); 83 } 84 85 if (!l2params->tc_changed) 86 return; 87 88 vsi->tc_change_pending = false; 89 irdma_sc_suspend_resume_qps(vsi, IRDMA_OP_RESUME); 90 } 91 92 /** 93 * irdma_qp_rem_qos - remove qp from qos lists during destroy qp 94 * @qp: qp to be removed from qos 95 */ 96 void irdma_qp_rem_qos(struct irdma_sc_qp *qp) 97 { 98 struct irdma_sc_vsi *vsi = qp->vsi; 99 100 ibdev_dbg(to_ibdev(qp->dev), 101 "DCB: DCB: Remove qp[%d] UP[%d] qset[%d] on_qoslist[%d]\n", 102 qp->qp_uk.qp_id, qp->user_pri, qp->qs_handle, 103 qp->on_qoslist); 104 mutex_lock(&vsi->qos[qp->user_pri].qos_mutex); 105 if (qp->on_qoslist) { 106 qp->on_qoslist = false; 107 list_del(&qp->list); 108 } 109 mutex_unlock(&vsi->qos[qp->user_pri].qos_mutex); 110 } 111 112 /** 113 * irdma_qp_add_qos - called during setctx for qp to be added to qos 114 * @qp: qp to be added to qos 115 */ 116 void irdma_qp_add_qos(struct irdma_sc_qp *qp) 117 { 118 struct irdma_sc_vsi *vsi = qp->vsi; 119 120 ibdev_dbg(to_ibdev(qp->dev), 121 "DCB: DCB: Add qp[%d] UP[%d] qset[%d] on_qoslist[%d]\n", 122 qp->qp_uk.qp_id, qp->user_pri, qp->qs_handle, 123 qp->on_qoslist); 124 mutex_lock(&vsi->qos[qp->user_pri].qos_mutex); 125 if (!qp->on_qoslist) { 126 list_add(&qp->list, &vsi->qos[qp->user_pri].qplist); 127 qp->on_qoslist = true; 128 qp->qs_handle = vsi->qos[qp->user_pri].qs_handle; 129 } 130 mutex_unlock(&vsi->qos[qp->user_pri].qos_mutex); 131 } 132 133 /** 134 * irdma_sc_pd_init - initialize sc pd struct 135 * @dev: sc device struct 136 * @pd: sc pd ptr 137 * @pd_id: pd_id for allocated pd 138 * @abi_ver: User/Kernel ABI version 139 */ 140 void irdma_sc_pd_init(struct irdma_sc_dev *dev, struct irdma_sc_pd *pd, u32 pd_id, 141 int abi_ver) 142 { 143 pd->pd_id = pd_id; 144 pd->abi_ver = abi_ver; 145 pd->dev = dev; 146 } 147 148 /** 149 * irdma_sc_add_arp_cache_entry - cqp wqe add arp cache entry 150 * @cqp: struct for cqp hw 151 * @info: arp entry information 152 * @scratch: u64 saved to be used during cqp completion 153 * @post_sq: flag for cqp db to ring 154 */ 155 static enum irdma_status_code 156 irdma_sc_add_arp_cache_entry(struct irdma_sc_cqp *cqp, 157 struct irdma_add_arp_cache_entry_info *info, 158 u64 scratch, bool post_sq) 159 { 160 __le64 *wqe; 161 u64 hdr; 162 163 wqe = irdma_sc_cqp_get_next_send_wqe(cqp, scratch); 164 if (!wqe) 165 return IRDMA_ERR_RING_FULL; 166 set_64bit_val(wqe, 8, info->reach_max); 167 set_64bit_val(wqe, 16, ether_addr_to_u64(info->mac_addr)); 168 169 hdr = info->arp_index | 170 FIELD_PREP(IRDMA_CQPSQ_OPCODE, IRDMA_CQP_OP_MANAGE_ARP) | 171 FIELD_PREP(IRDMA_CQPSQ_MAT_PERMANENT, (info->permanent ? 1 : 0)) | 172 FIELD_PREP(IRDMA_CQPSQ_MAT_ENTRYVALID, 1) | 173 FIELD_PREP(IRDMA_CQPSQ_WQEVALID, cqp->polarity); 174 dma_wmb(); /* make sure WQE is written before valid bit is set */ 175 176 set_64bit_val(wqe, 24, hdr); 177 178 print_hex_dump_debug("WQE: ARP_CACHE_ENTRY WQE", DUMP_PREFIX_OFFSET, 179 16, 8, wqe, IRDMA_CQP_WQE_SIZE * 8, false); 180 if (post_sq) 181 irdma_sc_cqp_post_sq(cqp); 182 183 return 0; 184 } 185 186 /** 187 * irdma_sc_del_arp_cache_entry - dele arp cache entry 188 * @cqp: struct for cqp hw 189 * @scratch: u64 saved to be used during cqp completion 190 * @arp_index: arp index to delete arp entry 191 * @post_sq: flag for cqp db to ring 192 */ 193 static enum irdma_status_code 194 irdma_sc_del_arp_cache_entry(struct irdma_sc_cqp *cqp, u64 scratch, 195 u16 arp_index, bool post_sq) 196 { 197 __le64 *wqe; 198 u64 hdr; 199 200 wqe = irdma_sc_cqp_get_next_send_wqe(cqp, scratch); 201 if (!wqe) 202 return IRDMA_ERR_RING_FULL; 203 204 hdr = arp_index | 205 FIELD_PREP(IRDMA_CQPSQ_OPCODE, IRDMA_CQP_OP_MANAGE_ARP) | 206 FIELD_PREP(IRDMA_CQPSQ_WQEVALID, cqp->polarity); 207 dma_wmb(); /* make sure WQE is written before valid bit is set */ 208 209 set_64bit_val(wqe, 24, hdr); 210 211 print_hex_dump_debug("WQE: ARP_CACHE_DEL_ENTRY WQE", 212 DUMP_PREFIX_OFFSET, 16, 8, wqe, 213 IRDMA_CQP_WQE_SIZE * 8, false); 214 if (post_sq) 215 irdma_sc_cqp_post_sq(cqp); 216 217 return 0; 218 } 219 220 /** 221 * irdma_sc_manage_apbvt_entry - for adding and deleting apbvt entries 222 * @cqp: struct for cqp hw 223 * @info: info for apbvt entry to add or delete 224 * @scratch: u64 saved to be used during cqp completion 225 * @post_sq: flag for cqp db to ring 226 */ 227 static enum irdma_status_code 228 irdma_sc_manage_apbvt_entry(struct irdma_sc_cqp *cqp, 229 struct irdma_apbvt_info *info, u64 scratch, 230 bool post_sq) 231 { 232 __le64 *wqe; 233 u64 hdr; 234 235 wqe = irdma_sc_cqp_get_next_send_wqe(cqp, scratch); 236 if (!wqe) 237 return IRDMA_ERR_RING_FULL; 238 239 set_64bit_val(wqe, 16, info->port); 240 241 hdr = FIELD_PREP(IRDMA_CQPSQ_OPCODE, IRDMA_CQP_OP_MANAGE_APBVT) | 242 FIELD_PREP(IRDMA_CQPSQ_MAPT_ADDPORT, info->add) | 243 FIELD_PREP(IRDMA_CQPSQ_WQEVALID, cqp->polarity); 244 dma_wmb(); /* make sure WQE is written before valid bit is set */ 245 246 set_64bit_val(wqe, 24, hdr); 247 248 print_hex_dump_debug("WQE: MANAGE_APBVT WQE", DUMP_PREFIX_OFFSET, 16, 249 8, wqe, IRDMA_CQP_WQE_SIZE * 8, false); 250 if (post_sq) 251 irdma_sc_cqp_post_sq(cqp); 252 253 return 0; 254 } 255 256 /** 257 * irdma_sc_manage_qhash_table_entry - manage quad hash entries 258 * @cqp: struct for cqp hw 259 * @info: info for quad hash to manage 260 * @scratch: u64 saved to be used during cqp completion 261 * @post_sq: flag for cqp db to ring 262 * 263 * This is called before connection establishment is started. 264 * For passive connections, when listener is created, it will 265 * call with entry type of IRDMA_QHASH_TYPE_TCP_SYN with local 266 * ip address and tcp port. When SYN is received (passive 267 * connections) or sent (active connections), this routine is 268 * called with entry type of IRDMA_QHASH_TYPE_TCP_ESTABLISHED 269 * and quad is passed in info. 270 * 271 * When iwarp connection is done and its state moves to RTS, the 272 * quad hash entry in the hardware will point to iwarp's qp 273 * number and requires no calls from the driver. 274 */ 275 static enum irdma_status_code 276 irdma_sc_manage_qhash_table_entry(struct irdma_sc_cqp *cqp, 277 struct irdma_qhash_table_info *info, 278 u64 scratch, bool post_sq) 279 { 280 __le64 *wqe; 281 u64 qw1 = 0; 282 u64 qw2 = 0; 283 u64 temp; 284 struct irdma_sc_vsi *vsi = info->vsi; 285 286 wqe = irdma_sc_cqp_get_next_send_wqe(cqp, scratch); 287 if (!wqe) 288 return IRDMA_ERR_RING_FULL; 289 290 set_64bit_val(wqe, 0, ether_addr_to_u64(info->mac_addr)); 291 292 qw1 = FIELD_PREP(IRDMA_CQPSQ_QHASH_QPN, info->qp_num) | 293 FIELD_PREP(IRDMA_CQPSQ_QHASH_DEST_PORT, info->dest_port); 294 if (info->ipv4_valid) { 295 set_64bit_val(wqe, 48, 296 FIELD_PREP(IRDMA_CQPSQ_QHASH_ADDR3, info->dest_ip[0])); 297 } else { 298 set_64bit_val(wqe, 56, 299 FIELD_PREP(IRDMA_CQPSQ_QHASH_ADDR0, info->dest_ip[0]) | 300 FIELD_PREP(IRDMA_CQPSQ_QHASH_ADDR1, info->dest_ip[1])); 301 302 set_64bit_val(wqe, 48, 303 FIELD_PREP(IRDMA_CQPSQ_QHASH_ADDR2, info->dest_ip[2]) | 304 FIELD_PREP(IRDMA_CQPSQ_QHASH_ADDR3, info->dest_ip[3])); 305 } 306 qw2 = FIELD_PREP(IRDMA_CQPSQ_QHASH_QS_HANDLE, 307 vsi->qos[info->user_pri].qs_handle); 308 if (info->vlan_valid) 309 qw2 |= FIELD_PREP(IRDMA_CQPSQ_QHASH_VLANID, info->vlan_id); 310 set_64bit_val(wqe, 16, qw2); 311 if (info->entry_type == IRDMA_QHASH_TYPE_TCP_ESTABLISHED) { 312 qw1 |= FIELD_PREP(IRDMA_CQPSQ_QHASH_SRC_PORT, info->src_port); 313 if (!info->ipv4_valid) { 314 set_64bit_val(wqe, 40, 315 FIELD_PREP(IRDMA_CQPSQ_QHASH_ADDR0, info->src_ip[0]) | 316 FIELD_PREP(IRDMA_CQPSQ_QHASH_ADDR1, info->src_ip[1])); 317 set_64bit_val(wqe, 32, 318 FIELD_PREP(IRDMA_CQPSQ_QHASH_ADDR2, info->src_ip[2]) | 319 FIELD_PREP(IRDMA_CQPSQ_QHASH_ADDR3, info->src_ip[3])); 320 } else { 321 set_64bit_val(wqe, 32, 322 FIELD_PREP(IRDMA_CQPSQ_QHASH_ADDR3, info->src_ip[0])); 323 } 324 } 325 326 set_64bit_val(wqe, 8, qw1); 327 temp = FIELD_PREP(IRDMA_CQPSQ_QHASH_WQEVALID, cqp->polarity) | 328 FIELD_PREP(IRDMA_CQPSQ_QHASH_OPCODE, 329 IRDMA_CQP_OP_MANAGE_QUAD_HASH_TABLE_ENTRY) | 330 FIELD_PREP(IRDMA_CQPSQ_QHASH_MANAGE, info->manage) | 331 FIELD_PREP(IRDMA_CQPSQ_QHASH_IPV4VALID, info->ipv4_valid) | 332 FIELD_PREP(IRDMA_CQPSQ_QHASH_VLANVALID, info->vlan_valid) | 333 FIELD_PREP(IRDMA_CQPSQ_QHASH_ENTRYTYPE, info->entry_type); 334 dma_wmb(); /* make sure WQE is written before valid bit is set */ 335 336 set_64bit_val(wqe, 24, temp); 337 338 print_hex_dump_debug("WQE: MANAGE_QHASH WQE", DUMP_PREFIX_OFFSET, 16, 339 8, wqe, IRDMA_CQP_WQE_SIZE * 8, false); 340 if (post_sq) 341 irdma_sc_cqp_post_sq(cqp); 342 343 return 0; 344 } 345 346 /** 347 * irdma_sc_qp_init - initialize qp 348 * @qp: sc qp 349 * @info: initialization qp info 350 */ 351 enum irdma_status_code irdma_sc_qp_init(struct irdma_sc_qp *qp, 352 struct irdma_qp_init_info *info) 353 { 354 enum irdma_status_code ret_code; 355 u32 pble_obj_cnt; 356 u16 wqe_size; 357 358 if (info->qp_uk_init_info.max_sq_frag_cnt > 359 info->pd->dev->hw_attrs.uk_attrs.max_hw_wq_frags || 360 info->qp_uk_init_info.max_rq_frag_cnt > 361 info->pd->dev->hw_attrs.uk_attrs.max_hw_wq_frags) 362 return IRDMA_ERR_INVALID_FRAG_COUNT; 363 364 qp->dev = info->pd->dev; 365 qp->vsi = info->vsi; 366 qp->ieq_qp = info->vsi->exception_lan_q; 367 qp->sq_pa = info->sq_pa; 368 qp->rq_pa = info->rq_pa; 369 qp->hw_host_ctx_pa = info->host_ctx_pa; 370 qp->q2_pa = info->q2_pa; 371 qp->shadow_area_pa = info->shadow_area_pa; 372 qp->q2_buf = info->q2; 373 qp->pd = info->pd; 374 qp->hw_host_ctx = info->host_ctx; 375 info->qp_uk_init_info.wqe_alloc_db = qp->pd->dev->wqe_alloc_db; 376 ret_code = irdma_uk_qp_init(&qp->qp_uk, &info->qp_uk_init_info); 377 if (ret_code) 378 return ret_code; 379 380 qp->virtual_map = info->virtual_map; 381 pble_obj_cnt = info->pd->dev->hmc_info->hmc_obj[IRDMA_HMC_IW_PBLE].cnt; 382 383 if ((info->virtual_map && info->sq_pa >= pble_obj_cnt) || 384 (info->virtual_map && info->rq_pa >= pble_obj_cnt)) 385 return IRDMA_ERR_INVALID_PBLE_INDEX; 386 387 qp->llp_stream_handle = (void *)(-1); 388 qp->hw_sq_size = irdma_get_encoded_wqe_size(qp->qp_uk.sq_ring.size, 389 IRDMA_QUEUE_TYPE_SQ_RQ); 390 ibdev_dbg(to_ibdev(qp->dev), 391 "WQE: hw_sq_size[%04d] sq_ring.size[%04d]\n", 392 qp->hw_sq_size, qp->qp_uk.sq_ring.size); 393 if (qp->qp_uk.uk_attrs->hw_rev == IRDMA_GEN_1 && qp->pd->abi_ver > 4) 394 wqe_size = IRDMA_WQE_SIZE_128; 395 else 396 ret_code = irdma_fragcnt_to_wqesize_rq(qp->qp_uk.max_rq_frag_cnt, 397 &wqe_size); 398 if (ret_code) 399 return ret_code; 400 401 qp->hw_rq_size = irdma_get_encoded_wqe_size(qp->qp_uk.rq_size * 402 (wqe_size / IRDMA_QP_WQE_MIN_SIZE), IRDMA_QUEUE_TYPE_SQ_RQ); 403 ibdev_dbg(to_ibdev(qp->dev), 404 "WQE: hw_rq_size[%04d] qp_uk.rq_size[%04d] wqe_size[%04d]\n", 405 qp->hw_rq_size, qp->qp_uk.rq_size, wqe_size); 406 qp->sq_tph_val = info->sq_tph_val; 407 qp->rq_tph_val = info->rq_tph_val; 408 qp->sq_tph_en = info->sq_tph_en; 409 qp->rq_tph_en = info->rq_tph_en; 410 qp->rcv_tph_en = info->rcv_tph_en; 411 qp->xmit_tph_en = info->xmit_tph_en; 412 qp->qp_uk.first_sq_wq = info->qp_uk_init_info.first_sq_wq; 413 qp->qs_handle = qp->vsi->qos[qp->user_pri].qs_handle; 414 415 return 0; 416 } 417 418 /** 419 * irdma_sc_qp_create - create qp 420 * @qp: sc qp 421 * @info: qp create info 422 * @scratch: u64 saved to be used during cqp completion 423 * @post_sq: flag for cqp db to ring 424 */ 425 enum irdma_status_code irdma_sc_qp_create(struct irdma_sc_qp *qp, struct irdma_create_qp_info *info, 426 u64 scratch, bool post_sq) 427 { 428 struct irdma_sc_cqp *cqp; 429 __le64 *wqe; 430 u64 hdr; 431 432 cqp = qp->dev->cqp; 433 if (qp->qp_uk.qp_id < cqp->dev->hw_attrs.min_hw_qp_id || 434 qp->qp_uk.qp_id > (cqp->dev->hmc_info->hmc_obj[IRDMA_HMC_IW_QP].max_cnt - 1)) 435 return IRDMA_ERR_INVALID_QP_ID; 436 437 wqe = irdma_sc_cqp_get_next_send_wqe(cqp, scratch); 438 if (!wqe) 439 return IRDMA_ERR_RING_FULL; 440 441 set_64bit_val(wqe, 16, qp->hw_host_ctx_pa); 442 set_64bit_val(wqe, 40, qp->shadow_area_pa); 443 444 hdr = qp->qp_uk.qp_id | 445 FIELD_PREP(IRDMA_CQPSQ_OPCODE, IRDMA_CQP_OP_CREATE_QP) | 446 FIELD_PREP(IRDMA_CQPSQ_QP_ORDVALID, (info->ord_valid ? 1 : 0)) | 447 FIELD_PREP(IRDMA_CQPSQ_QP_TOECTXVALID, info->tcp_ctx_valid) | 448 FIELD_PREP(IRDMA_CQPSQ_QP_MACVALID, info->mac_valid) | 449 FIELD_PREP(IRDMA_CQPSQ_QP_QPTYPE, qp->qp_uk.qp_type) | 450 FIELD_PREP(IRDMA_CQPSQ_QP_VQ, qp->virtual_map) | 451 FIELD_PREP(IRDMA_CQPSQ_QP_FORCELOOPBACK, info->force_lpb) | 452 FIELD_PREP(IRDMA_CQPSQ_QP_CQNUMVALID, info->cq_num_valid) | 453 FIELD_PREP(IRDMA_CQPSQ_QP_ARPTABIDXVALID, 454 info->arp_cache_idx_valid) | 455 FIELD_PREP(IRDMA_CQPSQ_QP_NEXTIWSTATE, info->next_iwarp_state) | 456 FIELD_PREP(IRDMA_CQPSQ_WQEVALID, cqp->polarity); 457 dma_wmb(); /* make sure WQE is written before valid bit is set */ 458 459 set_64bit_val(wqe, 24, hdr); 460 461 print_hex_dump_debug("WQE: QP_CREATE WQE", DUMP_PREFIX_OFFSET, 16, 8, 462 wqe, IRDMA_CQP_WQE_SIZE * 8, false); 463 if (post_sq) 464 irdma_sc_cqp_post_sq(cqp); 465 466 return 0; 467 } 468 469 /** 470 * irdma_sc_qp_modify - modify qp cqp wqe 471 * @qp: sc qp 472 * @info: modify qp info 473 * @scratch: u64 saved to be used during cqp completion 474 * @post_sq: flag for cqp db to ring 475 */ 476 enum irdma_status_code irdma_sc_qp_modify(struct irdma_sc_qp *qp, 477 struct irdma_modify_qp_info *info, 478 u64 scratch, bool post_sq) 479 { 480 __le64 *wqe; 481 struct irdma_sc_cqp *cqp; 482 u64 hdr; 483 u8 term_actions = 0; 484 u8 term_len = 0; 485 486 cqp = qp->dev->cqp; 487 wqe = irdma_sc_cqp_get_next_send_wqe(cqp, scratch); 488 if (!wqe) 489 return IRDMA_ERR_RING_FULL; 490 491 if (info->next_iwarp_state == IRDMA_QP_STATE_TERMINATE) { 492 if (info->dont_send_fin) 493 term_actions += IRDMAQP_TERM_SEND_TERM_ONLY; 494 if (info->dont_send_term) 495 term_actions += IRDMAQP_TERM_SEND_FIN_ONLY; 496 if (term_actions == IRDMAQP_TERM_SEND_TERM_AND_FIN || 497 term_actions == IRDMAQP_TERM_SEND_TERM_ONLY) 498 term_len = info->termlen; 499 } 500 501 set_64bit_val(wqe, 8, 502 FIELD_PREP(IRDMA_CQPSQ_QP_NEWMSS, info->new_mss) | 503 FIELD_PREP(IRDMA_CQPSQ_QP_TERMLEN, term_len)); 504 set_64bit_val(wqe, 16, qp->hw_host_ctx_pa); 505 set_64bit_val(wqe, 40, qp->shadow_area_pa); 506 507 hdr = qp->qp_uk.qp_id | 508 FIELD_PREP(IRDMA_CQPSQ_OPCODE, IRDMA_CQP_OP_MODIFY_QP) | 509 FIELD_PREP(IRDMA_CQPSQ_QP_ORDVALID, info->ord_valid) | 510 FIELD_PREP(IRDMA_CQPSQ_QP_TOECTXVALID, info->tcp_ctx_valid) | 511 FIELD_PREP(IRDMA_CQPSQ_QP_CACHEDVARVALID, 512 info->cached_var_valid) | 513 FIELD_PREP(IRDMA_CQPSQ_QP_VQ, qp->virtual_map) | 514 FIELD_PREP(IRDMA_CQPSQ_QP_FORCELOOPBACK, info->force_lpb) | 515 FIELD_PREP(IRDMA_CQPSQ_QP_CQNUMVALID, info->cq_num_valid) | 516 FIELD_PREP(IRDMA_CQPSQ_QP_MACVALID, info->mac_valid) | 517 FIELD_PREP(IRDMA_CQPSQ_QP_QPTYPE, qp->qp_uk.qp_type) | 518 FIELD_PREP(IRDMA_CQPSQ_QP_MSSCHANGE, info->mss_change) | 519 FIELD_PREP(IRDMA_CQPSQ_QP_REMOVEHASHENTRY, 520 info->remove_hash_idx) | 521 FIELD_PREP(IRDMA_CQPSQ_QP_TERMACT, term_actions) | 522 FIELD_PREP(IRDMA_CQPSQ_QP_RESETCON, info->reset_tcp_conn) | 523 FIELD_PREP(IRDMA_CQPSQ_QP_ARPTABIDXVALID, 524 info->arp_cache_idx_valid) | 525 FIELD_PREP(IRDMA_CQPSQ_QP_NEXTIWSTATE, info->next_iwarp_state) | 526 FIELD_PREP(IRDMA_CQPSQ_WQEVALID, cqp->polarity); 527 dma_wmb(); /* make sure WQE is written before valid bit is set */ 528 529 set_64bit_val(wqe, 24, hdr); 530 531 print_hex_dump_debug("WQE: QP_MODIFY WQE", DUMP_PREFIX_OFFSET, 16, 8, 532 wqe, IRDMA_CQP_WQE_SIZE * 8, false); 533 if (post_sq) 534 irdma_sc_cqp_post_sq(cqp); 535 536 return 0; 537 } 538 539 /** 540 * irdma_sc_qp_destroy - cqp destroy qp 541 * @qp: sc qp 542 * @scratch: u64 saved to be used during cqp completion 543 * @remove_hash_idx: flag if to remove hash idx 544 * @ignore_mw_bnd: memory window bind flag 545 * @post_sq: flag for cqp db to ring 546 */ 547 enum irdma_status_code irdma_sc_qp_destroy(struct irdma_sc_qp *qp, u64 scratch, 548 bool remove_hash_idx, bool ignore_mw_bnd, 549 bool post_sq) 550 { 551 __le64 *wqe; 552 struct irdma_sc_cqp *cqp; 553 u64 hdr; 554 555 cqp = qp->dev->cqp; 556 wqe = irdma_sc_cqp_get_next_send_wqe(cqp, scratch); 557 if (!wqe) 558 return IRDMA_ERR_RING_FULL; 559 560 set_64bit_val(wqe, 16, qp->hw_host_ctx_pa); 561 set_64bit_val(wqe, 40, qp->shadow_area_pa); 562 563 hdr = qp->qp_uk.qp_id | 564 FIELD_PREP(IRDMA_CQPSQ_OPCODE, IRDMA_CQP_OP_DESTROY_QP) | 565 FIELD_PREP(IRDMA_CQPSQ_QP_QPTYPE, qp->qp_uk.qp_type) | 566 FIELD_PREP(IRDMA_CQPSQ_QP_IGNOREMWBOUND, ignore_mw_bnd) | 567 FIELD_PREP(IRDMA_CQPSQ_QP_REMOVEHASHENTRY, remove_hash_idx) | 568 FIELD_PREP(IRDMA_CQPSQ_WQEVALID, cqp->polarity); 569 dma_wmb(); /* make sure WQE is written before valid bit is set */ 570 571 set_64bit_val(wqe, 24, hdr); 572 573 print_hex_dump_debug("WQE: QP_DESTROY WQE", DUMP_PREFIX_OFFSET, 16, 8, 574 wqe, IRDMA_CQP_WQE_SIZE * 8, false); 575 if (post_sq) 576 irdma_sc_cqp_post_sq(cqp); 577 578 return 0; 579 } 580 581 /** 582 * irdma_sc_get_encoded_ird_size - 583 * @ird_size: IRD size 584 * The ird from the connection is rounded to a supported HW setting and then encoded 585 * for ird_size field of qp_ctx. Consumers are expected to provide valid ird size based 586 * on hardware attributes. IRD size defaults to a value of 4 in case of invalid input 587 */ 588 static u8 irdma_sc_get_encoded_ird_size(u16 ird_size) 589 { 590 switch (ird_size ? 591 roundup_pow_of_two(2 * ird_size) : 4) { 592 case 256: 593 return IRDMA_IRD_HW_SIZE_256; 594 case 128: 595 return IRDMA_IRD_HW_SIZE_128; 596 case 64: 597 case 32: 598 return IRDMA_IRD_HW_SIZE_64; 599 case 16: 600 case 8: 601 return IRDMA_IRD_HW_SIZE_16; 602 case 4: 603 default: 604 break; 605 } 606 607 return IRDMA_IRD_HW_SIZE_4; 608 } 609 610 /** 611 * irdma_sc_qp_setctx_roce - set qp's context 612 * @qp: sc qp 613 * @qp_ctx: context ptr 614 * @info: ctx info 615 */ 616 void irdma_sc_qp_setctx_roce(struct irdma_sc_qp *qp, __le64 *qp_ctx, 617 struct irdma_qp_host_ctx_info *info) 618 { 619 struct irdma_roce_offload_info *roce_info; 620 struct irdma_udp_offload_info *udp; 621 u8 push_mode_en; 622 u32 push_idx; 623 624 roce_info = info->roce_info; 625 udp = info->udp_info; 626 qp->user_pri = info->user_pri; 627 if (qp->push_idx == IRDMA_INVALID_PUSH_PAGE_INDEX) { 628 push_mode_en = 0; 629 push_idx = 0; 630 } else { 631 push_mode_en = 1; 632 push_idx = qp->push_idx; 633 } 634 set_64bit_val(qp_ctx, 0, 635 FIELD_PREP(IRDMAQPC_RQWQESIZE, qp->qp_uk.rq_wqe_size) | 636 FIELD_PREP(IRDMAQPC_RCVTPHEN, qp->rcv_tph_en) | 637 FIELD_PREP(IRDMAQPC_XMITTPHEN, qp->xmit_tph_en) | 638 FIELD_PREP(IRDMAQPC_RQTPHEN, qp->rq_tph_en) | 639 FIELD_PREP(IRDMAQPC_SQTPHEN, qp->sq_tph_en) | 640 FIELD_PREP(IRDMAQPC_PPIDX, push_idx) | 641 FIELD_PREP(IRDMAQPC_PMENA, push_mode_en) | 642 FIELD_PREP(IRDMAQPC_PDIDXHI, roce_info->pd_id >> 16) | 643 FIELD_PREP(IRDMAQPC_DC_TCP_EN, roce_info->dctcp_en) | 644 FIELD_PREP(IRDMAQPC_ERR_RQ_IDX_VALID, roce_info->err_rq_idx_valid) | 645 FIELD_PREP(IRDMAQPC_ISQP1, roce_info->is_qp1) | 646 FIELD_PREP(IRDMAQPC_ROCE_TVER, roce_info->roce_tver) | 647 FIELD_PREP(IRDMAQPC_IPV4, udp->ipv4) | 648 FIELD_PREP(IRDMAQPC_INSERTVLANTAG, udp->insert_vlan_tag)); 649 set_64bit_val(qp_ctx, 8, qp->sq_pa); 650 set_64bit_val(qp_ctx, 16, qp->rq_pa); 651 if ((roce_info->dcqcn_en || roce_info->dctcp_en) && 652 !(udp->tos & 0x03)) 653 udp->tos |= ECN_CODE_PT_VAL; 654 set_64bit_val(qp_ctx, 24, 655 FIELD_PREP(IRDMAQPC_RQSIZE, qp->hw_rq_size) | 656 FIELD_PREP(IRDMAQPC_SQSIZE, qp->hw_sq_size) | 657 FIELD_PREP(IRDMAQPC_TTL, udp->ttl) | FIELD_PREP(IRDMAQPC_TOS, udp->tos) | 658 FIELD_PREP(IRDMAQPC_SRCPORTNUM, udp->src_port) | 659 FIELD_PREP(IRDMAQPC_DESTPORTNUM, udp->dst_port)); 660 set_64bit_val(qp_ctx, 32, 661 FIELD_PREP(IRDMAQPC_DESTIPADDR2, udp->dest_ip_addr[2]) | 662 FIELD_PREP(IRDMAQPC_DESTIPADDR3, udp->dest_ip_addr[3])); 663 set_64bit_val(qp_ctx, 40, 664 FIELD_PREP(IRDMAQPC_DESTIPADDR0, udp->dest_ip_addr[0]) | 665 FIELD_PREP(IRDMAQPC_DESTIPADDR1, udp->dest_ip_addr[1])); 666 set_64bit_val(qp_ctx, 48, 667 FIELD_PREP(IRDMAQPC_SNDMSS, udp->snd_mss) | 668 FIELD_PREP(IRDMAQPC_VLANTAG, udp->vlan_tag) | 669 FIELD_PREP(IRDMAQPC_ARPIDX, udp->arp_idx)); 670 set_64bit_val(qp_ctx, 56, 671 FIELD_PREP(IRDMAQPC_PKEY, roce_info->p_key) | 672 FIELD_PREP(IRDMAQPC_PDIDX, roce_info->pd_id) | 673 FIELD_PREP(IRDMAQPC_ACKCREDITS, roce_info->ack_credits) | 674 FIELD_PREP(IRDMAQPC_FLOWLABEL, udp->flow_label)); 675 set_64bit_val(qp_ctx, 64, 676 FIELD_PREP(IRDMAQPC_QKEY, roce_info->qkey) | 677 FIELD_PREP(IRDMAQPC_DESTQP, roce_info->dest_qp)); 678 set_64bit_val(qp_ctx, 80, 679 FIELD_PREP(IRDMAQPC_PSNNXT, udp->psn_nxt) | 680 FIELD_PREP(IRDMAQPC_LSN, udp->lsn)); 681 set_64bit_val(qp_ctx, 88, 682 FIELD_PREP(IRDMAQPC_EPSN, udp->epsn)); 683 set_64bit_val(qp_ctx, 96, 684 FIELD_PREP(IRDMAQPC_PSNMAX, udp->psn_max) | 685 FIELD_PREP(IRDMAQPC_PSNUNA, udp->psn_una)); 686 set_64bit_val(qp_ctx, 112, 687 FIELD_PREP(IRDMAQPC_CWNDROCE, udp->cwnd)); 688 set_64bit_val(qp_ctx, 128, 689 FIELD_PREP(IRDMAQPC_ERR_RQ_IDX, roce_info->err_rq_idx) | 690 FIELD_PREP(IRDMAQPC_RNRNAK_THRESH, udp->rnr_nak_thresh) | 691 FIELD_PREP(IRDMAQPC_REXMIT_THRESH, udp->rexmit_thresh) | 692 FIELD_PREP(IRDMAQPC_RTOMIN, roce_info->rtomin)); 693 set_64bit_val(qp_ctx, 136, 694 FIELD_PREP(IRDMAQPC_TXCQNUM, info->send_cq_num) | 695 FIELD_PREP(IRDMAQPC_RXCQNUM, info->rcv_cq_num)); 696 set_64bit_val(qp_ctx, 144, 697 FIELD_PREP(IRDMAQPC_STAT_INDEX, info->stats_idx)); 698 set_64bit_val(qp_ctx, 152, ether_addr_to_u64(roce_info->mac_addr) << 16); 699 set_64bit_val(qp_ctx, 160, 700 FIELD_PREP(IRDMAQPC_ORDSIZE, roce_info->ord_size) | 701 FIELD_PREP(IRDMAQPC_IRDSIZE, irdma_sc_get_encoded_ird_size(roce_info->ird_size)) | 702 FIELD_PREP(IRDMAQPC_WRRDRSPOK, roce_info->wr_rdresp_en) | 703 FIELD_PREP(IRDMAQPC_RDOK, roce_info->rd_en) | 704 FIELD_PREP(IRDMAQPC_USESTATSINSTANCE, info->stats_idx_valid) | 705 FIELD_PREP(IRDMAQPC_BINDEN, roce_info->bind_en) | 706 FIELD_PREP(IRDMAQPC_FASTREGEN, roce_info->fast_reg_en) | 707 FIELD_PREP(IRDMAQPC_DCQCNENABLE, roce_info->dcqcn_en) | 708 FIELD_PREP(IRDMAQPC_RCVNOICRC, roce_info->rcv_no_icrc) | 709 FIELD_PREP(IRDMAQPC_FW_CC_ENABLE, roce_info->fw_cc_enable) | 710 FIELD_PREP(IRDMAQPC_UDPRIVCQENABLE, roce_info->udprivcq_en) | 711 FIELD_PREP(IRDMAQPC_PRIVEN, roce_info->priv_mode_en) | 712 FIELD_PREP(IRDMAQPC_TIMELYENABLE, roce_info->timely_en)); 713 set_64bit_val(qp_ctx, 168, 714 FIELD_PREP(IRDMAQPC_QPCOMPCTX, info->qp_compl_ctx)); 715 set_64bit_val(qp_ctx, 176, 716 FIELD_PREP(IRDMAQPC_SQTPHVAL, qp->sq_tph_val) | 717 FIELD_PREP(IRDMAQPC_RQTPHVAL, qp->rq_tph_val) | 718 FIELD_PREP(IRDMAQPC_QSHANDLE, qp->qs_handle)); 719 set_64bit_val(qp_ctx, 184, 720 FIELD_PREP(IRDMAQPC_LOCAL_IPADDR3, udp->local_ipaddr[3]) | 721 FIELD_PREP(IRDMAQPC_LOCAL_IPADDR2, udp->local_ipaddr[2])); 722 set_64bit_val(qp_ctx, 192, 723 FIELD_PREP(IRDMAQPC_LOCAL_IPADDR1, udp->local_ipaddr[1]) | 724 FIELD_PREP(IRDMAQPC_LOCAL_IPADDR0, udp->local_ipaddr[0])); 725 set_64bit_val(qp_ctx, 200, 726 FIELD_PREP(IRDMAQPC_THIGH, roce_info->t_high) | 727 FIELD_PREP(IRDMAQPC_TLOW, roce_info->t_low)); 728 set_64bit_val(qp_ctx, 208, 729 FIELD_PREP(IRDMAQPC_REMENDPOINTIDX, info->rem_endpoint_idx)); 730 731 print_hex_dump_debug("WQE: QP_HOST CTX WQE", DUMP_PREFIX_OFFSET, 16, 732 8, qp_ctx, IRDMA_QP_CTX_SIZE, false); 733 } 734 735 /* irdma_sc_alloc_local_mac_entry - allocate a mac entry 736 * @cqp: struct for cqp hw 737 * @scratch: u64 saved to be used during cqp completion 738 * @post_sq: flag for cqp db to ring 739 */ 740 static enum irdma_status_code 741 irdma_sc_alloc_local_mac_entry(struct irdma_sc_cqp *cqp, u64 scratch, 742 bool post_sq) 743 { 744 __le64 *wqe; 745 u64 hdr; 746 747 wqe = irdma_sc_cqp_get_next_send_wqe(cqp, scratch); 748 if (!wqe) 749 return IRDMA_ERR_RING_FULL; 750 751 hdr = FIELD_PREP(IRDMA_CQPSQ_OPCODE, 752 IRDMA_CQP_OP_ALLOCATE_LOC_MAC_TABLE_ENTRY) | 753 FIELD_PREP(IRDMA_CQPSQ_WQEVALID, cqp->polarity); 754 755 dma_wmb(); /* make sure WQE is written before valid bit is set */ 756 757 set_64bit_val(wqe, 24, hdr); 758 759 print_hex_dump_debug("WQE: ALLOCATE_LOCAL_MAC WQE", 760 DUMP_PREFIX_OFFSET, 16, 8, wqe, 761 IRDMA_CQP_WQE_SIZE * 8, false); 762 763 if (post_sq) 764 irdma_sc_cqp_post_sq(cqp); 765 return 0; 766 } 767 768 /** 769 * irdma_sc_add_local_mac_entry - add mac enry 770 * @cqp: struct for cqp hw 771 * @info:mac addr info 772 * @scratch: u64 saved to be used during cqp completion 773 * @post_sq: flag for cqp db to ring 774 */ 775 static enum irdma_status_code 776 irdma_sc_add_local_mac_entry(struct irdma_sc_cqp *cqp, 777 struct irdma_local_mac_entry_info *info, 778 u64 scratch, bool post_sq) 779 { 780 __le64 *wqe; 781 u64 header; 782 783 wqe = irdma_sc_cqp_get_next_send_wqe(cqp, scratch); 784 if (!wqe) 785 return IRDMA_ERR_RING_FULL; 786 787 set_64bit_val(wqe, 32, ether_addr_to_u64(info->mac_addr)); 788 789 header = FIELD_PREP(IRDMA_CQPSQ_MLM_TABLEIDX, info->entry_idx) | 790 FIELD_PREP(IRDMA_CQPSQ_OPCODE, 791 IRDMA_CQP_OP_MANAGE_LOC_MAC_TABLE) | 792 FIELD_PREP(IRDMA_CQPSQ_WQEVALID, cqp->polarity); 793 794 dma_wmb(); /* make sure WQE is written before valid bit is set */ 795 796 set_64bit_val(wqe, 24, header); 797 798 print_hex_dump_debug("WQE: ADD_LOCAL_MAC WQE", DUMP_PREFIX_OFFSET, 16, 799 8, wqe, IRDMA_CQP_WQE_SIZE * 8, false); 800 801 if (post_sq) 802 irdma_sc_cqp_post_sq(cqp); 803 return 0; 804 } 805 806 /** 807 * irdma_sc_del_local_mac_entry - cqp wqe to dele local mac 808 * @cqp: struct for cqp hw 809 * @scratch: u64 saved to be used during cqp completion 810 * @entry_idx: index of mac entry 811 * @ignore_ref_count: to force mac adde delete 812 * @post_sq: flag for cqp db to ring 813 */ 814 static enum irdma_status_code 815 irdma_sc_del_local_mac_entry(struct irdma_sc_cqp *cqp, u64 scratch, 816 u16 entry_idx, u8 ignore_ref_count, bool post_sq) 817 { 818 __le64 *wqe; 819 u64 header; 820 821 wqe = irdma_sc_cqp_get_next_send_wqe(cqp, scratch); 822 if (!wqe) 823 return IRDMA_ERR_RING_FULL; 824 header = FIELD_PREP(IRDMA_CQPSQ_MLM_TABLEIDX, entry_idx) | 825 FIELD_PREP(IRDMA_CQPSQ_OPCODE, 826 IRDMA_CQP_OP_MANAGE_LOC_MAC_TABLE) | 827 FIELD_PREP(IRDMA_CQPSQ_MLM_FREEENTRY, 1) | 828 FIELD_PREP(IRDMA_CQPSQ_WQEVALID, cqp->polarity) | 829 FIELD_PREP(IRDMA_CQPSQ_MLM_IGNORE_REF_CNT, ignore_ref_count); 830 831 dma_wmb(); /* make sure WQE is written before valid bit is set */ 832 833 set_64bit_val(wqe, 24, header); 834 835 print_hex_dump_debug("WQE: DEL_LOCAL_MAC_IPADDR WQE", 836 DUMP_PREFIX_OFFSET, 16, 8, wqe, 837 IRDMA_CQP_WQE_SIZE * 8, false); 838 839 if (post_sq) 840 irdma_sc_cqp_post_sq(cqp); 841 return 0; 842 } 843 844 /** 845 * irdma_sc_qp_setctx - set qp's context 846 * @qp: sc qp 847 * @qp_ctx: context ptr 848 * @info: ctx info 849 */ 850 void irdma_sc_qp_setctx(struct irdma_sc_qp *qp, __le64 *qp_ctx, 851 struct irdma_qp_host_ctx_info *info) 852 { 853 struct irdma_iwarp_offload_info *iw; 854 struct irdma_tcp_offload_info *tcp; 855 struct irdma_sc_dev *dev; 856 u8 push_mode_en; 857 u32 push_idx; 858 u64 qw0, qw3, qw7 = 0, qw16 = 0; 859 u64 mac = 0; 860 861 iw = info->iwarp_info; 862 tcp = info->tcp_info; 863 dev = qp->dev; 864 if (iw->rcv_mark_en) { 865 qp->pfpdu.marker_len = 4; 866 qp->pfpdu.rcv_start_seq = tcp->rcv_nxt; 867 } 868 qp->user_pri = info->user_pri; 869 if (qp->push_idx == IRDMA_INVALID_PUSH_PAGE_INDEX) { 870 push_mode_en = 0; 871 push_idx = 0; 872 } else { 873 push_mode_en = 1; 874 push_idx = qp->push_idx; 875 } 876 qw0 = FIELD_PREP(IRDMAQPC_RQWQESIZE, qp->qp_uk.rq_wqe_size) | 877 FIELD_PREP(IRDMAQPC_RCVTPHEN, qp->rcv_tph_en) | 878 FIELD_PREP(IRDMAQPC_XMITTPHEN, qp->xmit_tph_en) | 879 FIELD_PREP(IRDMAQPC_RQTPHEN, qp->rq_tph_en) | 880 FIELD_PREP(IRDMAQPC_SQTPHEN, qp->sq_tph_en) | 881 FIELD_PREP(IRDMAQPC_PPIDX, push_idx) | 882 FIELD_PREP(IRDMAQPC_PMENA, push_mode_en); 883 884 set_64bit_val(qp_ctx, 8, qp->sq_pa); 885 set_64bit_val(qp_ctx, 16, qp->rq_pa); 886 887 qw3 = FIELD_PREP(IRDMAQPC_RQSIZE, qp->hw_rq_size) | 888 FIELD_PREP(IRDMAQPC_SQSIZE, qp->hw_sq_size); 889 if (dev->hw_attrs.uk_attrs.hw_rev == IRDMA_GEN_1) 890 qw3 |= FIELD_PREP(IRDMAQPC_GEN1_SRCMACADDRIDX, 891 qp->src_mac_addr_idx); 892 set_64bit_val(qp_ctx, 136, 893 FIELD_PREP(IRDMAQPC_TXCQNUM, info->send_cq_num) | 894 FIELD_PREP(IRDMAQPC_RXCQNUM, info->rcv_cq_num)); 895 set_64bit_val(qp_ctx, 168, 896 FIELD_PREP(IRDMAQPC_QPCOMPCTX, info->qp_compl_ctx)); 897 set_64bit_val(qp_ctx, 176, 898 FIELD_PREP(IRDMAQPC_SQTPHVAL, qp->sq_tph_val) | 899 FIELD_PREP(IRDMAQPC_RQTPHVAL, qp->rq_tph_val) | 900 FIELD_PREP(IRDMAQPC_QSHANDLE, qp->qs_handle) | 901 FIELD_PREP(IRDMAQPC_EXCEPTION_LAN_QUEUE, qp->ieq_qp)); 902 if (info->iwarp_info_valid) { 903 qw0 |= FIELD_PREP(IRDMAQPC_DDP_VER, iw->ddp_ver) | 904 FIELD_PREP(IRDMAQPC_RDMAP_VER, iw->rdmap_ver) | 905 FIELD_PREP(IRDMAQPC_DC_TCP_EN, iw->dctcp_en) | 906 FIELD_PREP(IRDMAQPC_ECN_EN, iw->ecn_en) | 907 FIELD_PREP(IRDMAQPC_IBRDENABLE, iw->ib_rd_en) | 908 FIELD_PREP(IRDMAQPC_PDIDXHI, iw->pd_id >> 16) | 909 FIELD_PREP(IRDMAQPC_ERR_RQ_IDX_VALID, 910 iw->err_rq_idx_valid); 911 qw7 |= FIELD_PREP(IRDMAQPC_PDIDX, iw->pd_id); 912 qw16 |= FIELD_PREP(IRDMAQPC_ERR_RQ_IDX, iw->err_rq_idx) | 913 FIELD_PREP(IRDMAQPC_RTOMIN, iw->rtomin); 914 set_64bit_val(qp_ctx, 144, 915 FIELD_PREP(IRDMAQPC_Q2ADDR, qp->q2_pa >> 8) | 916 FIELD_PREP(IRDMAQPC_STAT_INDEX, info->stats_idx)); 917 918 if (dev->hw_attrs.uk_attrs.hw_rev >= IRDMA_GEN_2) 919 mac = ether_addr_to_u64(iw->mac_addr); 920 921 set_64bit_val(qp_ctx, 152, 922 mac << 16 | FIELD_PREP(IRDMAQPC_LASTBYTESENT, iw->last_byte_sent)); 923 set_64bit_val(qp_ctx, 160, 924 FIELD_PREP(IRDMAQPC_ORDSIZE, iw->ord_size) | 925 FIELD_PREP(IRDMAQPC_IRDSIZE, irdma_sc_get_encoded_ird_size(iw->ird_size)) | 926 FIELD_PREP(IRDMAQPC_WRRDRSPOK, iw->wr_rdresp_en) | 927 FIELD_PREP(IRDMAQPC_RDOK, iw->rd_en) | 928 FIELD_PREP(IRDMAQPC_SNDMARKERS, iw->snd_mark_en) | 929 FIELD_PREP(IRDMAQPC_BINDEN, iw->bind_en) | 930 FIELD_PREP(IRDMAQPC_FASTREGEN, iw->fast_reg_en) | 931 FIELD_PREP(IRDMAQPC_PRIVEN, iw->priv_mode_en) | 932 FIELD_PREP(IRDMAQPC_USESTATSINSTANCE, info->stats_idx_valid) | 933 FIELD_PREP(IRDMAQPC_IWARPMODE, 1) | 934 FIELD_PREP(IRDMAQPC_RCVMARKERS, iw->rcv_mark_en) | 935 FIELD_PREP(IRDMAQPC_ALIGNHDRS, iw->align_hdrs) | 936 FIELD_PREP(IRDMAQPC_RCVNOMPACRC, iw->rcv_no_mpa_crc) | 937 FIELD_PREP(IRDMAQPC_RCVMARKOFFSET, iw->rcv_mark_offset || !tcp ? iw->rcv_mark_offset : tcp->rcv_nxt) | 938 FIELD_PREP(IRDMAQPC_SNDMARKOFFSET, iw->snd_mark_offset || !tcp ? iw->snd_mark_offset : tcp->snd_nxt) | 939 FIELD_PREP(IRDMAQPC_TIMELYENABLE, iw->timely_en)); 940 } 941 if (info->tcp_info_valid) { 942 qw0 |= FIELD_PREP(IRDMAQPC_IPV4, tcp->ipv4) | 943 FIELD_PREP(IRDMAQPC_NONAGLE, tcp->no_nagle) | 944 FIELD_PREP(IRDMAQPC_INSERTVLANTAG, 945 tcp->insert_vlan_tag) | 946 FIELD_PREP(IRDMAQPC_TIMESTAMP, tcp->time_stamp) | 947 FIELD_PREP(IRDMAQPC_LIMIT, tcp->cwnd_inc_limit) | 948 FIELD_PREP(IRDMAQPC_DROPOOOSEG, tcp->drop_ooo_seg) | 949 FIELD_PREP(IRDMAQPC_DUPACK_THRESH, tcp->dup_ack_thresh); 950 951 if ((iw->ecn_en || iw->dctcp_en) && !(tcp->tos & 0x03)) 952 tcp->tos |= ECN_CODE_PT_VAL; 953 954 qw3 |= FIELD_PREP(IRDMAQPC_TTL, tcp->ttl) | 955 FIELD_PREP(IRDMAQPC_AVOIDSTRETCHACK, tcp->avoid_stretch_ack) | 956 FIELD_PREP(IRDMAQPC_TOS, tcp->tos) | 957 FIELD_PREP(IRDMAQPC_SRCPORTNUM, tcp->src_port) | 958 FIELD_PREP(IRDMAQPC_DESTPORTNUM, tcp->dst_port); 959 if (dev->hw_attrs.uk_attrs.hw_rev == IRDMA_GEN_1) { 960 qw3 |= FIELD_PREP(IRDMAQPC_GEN1_SRCMACADDRIDX, tcp->src_mac_addr_idx); 961 962 qp->src_mac_addr_idx = tcp->src_mac_addr_idx; 963 } 964 set_64bit_val(qp_ctx, 32, 965 FIELD_PREP(IRDMAQPC_DESTIPADDR2, tcp->dest_ip_addr[2]) | 966 FIELD_PREP(IRDMAQPC_DESTIPADDR3, tcp->dest_ip_addr[3])); 967 set_64bit_val(qp_ctx, 40, 968 FIELD_PREP(IRDMAQPC_DESTIPADDR0, tcp->dest_ip_addr[0]) | 969 FIELD_PREP(IRDMAQPC_DESTIPADDR1, tcp->dest_ip_addr[1])); 970 set_64bit_val(qp_ctx, 48, 971 FIELD_PREP(IRDMAQPC_SNDMSS, tcp->snd_mss) | 972 FIELD_PREP(IRDMAQPC_SYN_RST_HANDLING, tcp->syn_rst_handling) | 973 FIELD_PREP(IRDMAQPC_VLANTAG, tcp->vlan_tag) | 974 FIELD_PREP(IRDMAQPC_ARPIDX, tcp->arp_idx)); 975 qw7 |= FIELD_PREP(IRDMAQPC_FLOWLABEL, tcp->flow_label) | 976 FIELD_PREP(IRDMAQPC_WSCALE, tcp->wscale) | 977 FIELD_PREP(IRDMAQPC_IGNORE_TCP_OPT, 978 tcp->ignore_tcp_opt) | 979 FIELD_PREP(IRDMAQPC_IGNORE_TCP_UNS_OPT, 980 tcp->ignore_tcp_uns_opt) | 981 FIELD_PREP(IRDMAQPC_TCPSTATE, tcp->tcp_state) | 982 FIELD_PREP(IRDMAQPC_RCVSCALE, tcp->rcv_wscale) | 983 FIELD_PREP(IRDMAQPC_SNDSCALE, tcp->snd_wscale); 984 set_64bit_val(qp_ctx, 72, 985 FIELD_PREP(IRDMAQPC_TIMESTAMP_RECENT, tcp->time_stamp_recent) | 986 FIELD_PREP(IRDMAQPC_TIMESTAMP_AGE, tcp->time_stamp_age)); 987 set_64bit_val(qp_ctx, 80, 988 FIELD_PREP(IRDMAQPC_SNDNXT, tcp->snd_nxt) | 989 FIELD_PREP(IRDMAQPC_SNDWND, tcp->snd_wnd)); 990 set_64bit_val(qp_ctx, 88, 991 FIELD_PREP(IRDMAQPC_RCVNXT, tcp->rcv_nxt) | 992 FIELD_PREP(IRDMAQPC_RCVWND, tcp->rcv_wnd)); 993 set_64bit_val(qp_ctx, 96, 994 FIELD_PREP(IRDMAQPC_SNDMAX, tcp->snd_max) | 995 FIELD_PREP(IRDMAQPC_SNDUNA, tcp->snd_una)); 996 set_64bit_val(qp_ctx, 104, 997 FIELD_PREP(IRDMAQPC_SRTT, tcp->srtt) | 998 FIELD_PREP(IRDMAQPC_RTTVAR, tcp->rtt_var)); 999 set_64bit_val(qp_ctx, 112, 1000 FIELD_PREP(IRDMAQPC_SSTHRESH, tcp->ss_thresh) | 1001 FIELD_PREP(IRDMAQPC_CWND, tcp->cwnd)); 1002 set_64bit_val(qp_ctx, 120, 1003 FIELD_PREP(IRDMAQPC_SNDWL1, tcp->snd_wl1) | 1004 FIELD_PREP(IRDMAQPC_SNDWL2, tcp->snd_wl2)); 1005 qw16 |= FIELD_PREP(IRDMAQPC_MAXSNDWND, tcp->max_snd_window) | 1006 FIELD_PREP(IRDMAQPC_REXMIT_THRESH, tcp->rexmit_thresh); 1007 set_64bit_val(qp_ctx, 184, 1008 FIELD_PREP(IRDMAQPC_LOCAL_IPADDR3, tcp->local_ipaddr[3]) | 1009 FIELD_PREP(IRDMAQPC_LOCAL_IPADDR2, tcp->local_ipaddr[2])); 1010 set_64bit_val(qp_ctx, 192, 1011 FIELD_PREP(IRDMAQPC_LOCAL_IPADDR1, tcp->local_ipaddr[1]) | 1012 FIELD_PREP(IRDMAQPC_LOCAL_IPADDR0, tcp->local_ipaddr[0])); 1013 set_64bit_val(qp_ctx, 200, 1014 FIELD_PREP(IRDMAQPC_THIGH, iw->t_high) | 1015 FIELD_PREP(IRDMAQPC_TLOW, iw->t_low)); 1016 set_64bit_val(qp_ctx, 208, 1017 FIELD_PREP(IRDMAQPC_REMENDPOINTIDX, info->rem_endpoint_idx)); 1018 } 1019 1020 set_64bit_val(qp_ctx, 0, qw0); 1021 set_64bit_val(qp_ctx, 24, qw3); 1022 set_64bit_val(qp_ctx, 56, qw7); 1023 set_64bit_val(qp_ctx, 128, qw16); 1024 1025 print_hex_dump_debug("WQE: QP_HOST CTX", DUMP_PREFIX_OFFSET, 16, 8, 1026 qp_ctx, IRDMA_QP_CTX_SIZE, false); 1027 } 1028 1029 /** 1030 * irdma_sc_alloc_stag - mr stag alloc 1031 * @dev: sc device struct 1032 * @info: stag info 1033 * @scratch: u64 saved to be used during cqp completion 1034 * @post_sq: flag for cqp db to ring 1035 */ 1036 static enum irdma_status_code 1037 irdma_sc_alloc_stag(struct irdma_sc_dev *dev, 1038 struct irdma_allocate_stag_info *info, u64 scratch, 1039 bool post_sq) 1040 { 1041 __le64 *wqe; 1042 struct irdma_sc_cqp *cqp; 1043 u64 hdr; 1044 enum irdma_page_size page_size; 1045 1046 if (info->page_size == 0x40000000) 1047 page_size = IRDMA_PAGE_SIZE_1G; 1048 else if (info->page_size == 0x200000) 1049 page_size = IRDMA_PAGE_SIZE_2M; 1050 else 1051 page_size = IRDMA_PAGE_SIZE_4K; 1052 1053 cqp = dev->cqp; 1054 wqe = irdma_sc_cqp_get_next_send_wqe(cqp, scratch); 1055 if (!wqe) 1056 return IRDMA_ERR_RING_FULL; 1057 1058 set_64bit_val(wqe, 8, 1059 FLD_LS_64(dev, info->pd_id, IRDMA_CQPSQ_STAG_PDID) | 1060 FIELD_PREP(IRDMA_CQPSQ_STAG_STAGLEN, info->total_len)); 1061 set_64bit_val(wqe, 16, 1062 FIELD_PREP(IRDMA_CQPSQ_STAG_IDX, info->stag_idx)); 1063 set_64bit_val(wqe, 40, 1064 FIELD_PREP(IRDMA_CQPSQ_STAG_HMCFNIDX, info->hmc_fcn_index)); 1065 1066 if (info->chunk_size) 1067 set_64bit_val(wqe, 48, 1068 FIELD_PREP(IRDMA_CQPSQ_STAG_FIRSTPMPBLIDX, info->first_pm_pbl_idx)); 1069 1070 hdr = FIELD_PREP(IRDMA_CQPSQ_OPCODE, IRDMA_CQP_OP_ALLOC_STAG) | 1071 FIELD_PREP(IRDMA_CQPSQ_STAG_MR, 1) | 1072 FIELD_PREP(IRDMA_CQPSQ_STAG_ARIGHTS, info->access_rights) | 1073 FIELD_PREP(IRDMA_CQPSQ_STAG_LPBLSIZE, info->chunk_size) | 1074 FIELD_PREP(IRDMA_CQPSQ_STAG_HPAGESIZE, page_size) | 1075 FIELD_PREP(IRDMA_CQPSQ_STAG_REMACCENABLED, info->remote_access) | 1076 FIELD_PREP(IRDMA_CQPSQ_STAG_USEHMCFNIDX, info->use_hmc_fcn_index) | 1077 FIELD_PREP(IRDMA_CQPSQ_STAG_USEPFRID, info->use_pf_rid) | 1078 FIELD_PREP(IRDMA_CQPSQ_WQEVALID, cqp->polarity); 1079 dma_wmb(); /* make sure WQE is written before valid bit is set */ 1080 1081 set_64bit_val(wqe, 24, hdr); 1082 1083 print_hex_dump_debug("WQE: ALLOC_STAG WQE", DUMP_PREFIX_OFFSET, 16, 8, 1084 wqe, IRDMA_CQP_WQE_SIZE * 8, false); 1085 if (post_sq) 1086 irdma_sc_cqp_post_sq(cqp); 1087 1088 return 0; 1089 } 1090 1091 /** 1092 * irdma_sc_mr_reg_non_shared - non-shared mr registration 1093 * @dev: sc device struct 1094 * @info: mr info 1095 * @scratch: u64 saved to be used during cqp completion 1096 * @post_sq: flag for cqp db to ring 1097 */ 1098 static enum irdma_status_code 1099 irdma_sc_mr_reg_non_shared(struct irdma_sc_dev *dev, 1100 struct irdma_reg_ns_stag_info *info, u64 scratch, 1101 bool post_sq) 1102 { 1103 __le64 *wqe; 1104 u64 fbo; 1105 struct irdma_sc_cqp *cqp; 1106 u64 hdr; 1107 u32 pble_obj_cnt; 1108 bool remote_access; 1109 u8 addr_type; 1110 enum irdma_page_size page_size; 1111 1112 if (info->page_size == 0x40000000) 1113 page_size = IRDMA_PAGE_SIZE_1G; 1114 else if (info->page_size == 0x200000) 1115 page_size = IRDMA_PAGE_SIZE_2M; 1116 else if (info->page_size == 0x1000) 1117 page_size = IRDMA_PAGE_SIZE_4K; 1118 else 1119 return IRDMA_ERR_PARAM; 1120 1121 if (info->access_rights & (IRDMA_ACCESS_FLAGS_REMOTEREAD_ONLY | 1122 IRDMA_ACCESS_FLAGS_REMOTEWRITE_ONLY)) 1123 remote_access = true; 1124 else 1125 remote_access = false; 1126 1127 pble_obj_cnt = dev->hmc_info->hmc_obj[IRDMA_HMC_IW_PBLE].cnt; 1128 if (info->chunk_size && info->first_pm_pbl_index >= pble_obj_cnt) 1129 return IRDMA_ERR_INVALID_PBLE_INDEX; 1130 1131 cqp = dev->cqp; 1132 wqe = irdma_sc_cqp_get_next_send_wqe(cqp, scratch); 1133 if (!wqe) 1134 return IRDMA_ERR_RING_FULL; 1135 fbo = info->va & (info->page_size - 1); 1136 1137 set_64bit_val(wqe, 0, 1138 (info->addr_type == IRDMA_ADDR_TYPE_VA_BASED ? 1139 info->va : fbo)); 1140 set_64bit_val(wqe, 8, 1141 FIELD_PREP(IRDMA_CQPSQ_STAG_STAGLEN, info->total_len) | 1142 FLD_LS_64(dev, info->pd_id, IRDMA_CQPSQ_STAG_PDID)); 1143 set_64bit_val(wqe, 16, 1144 FIELD_PREP(IRDMA_CQPSQ_STAG_KEY, info->stag_key) | 1145 FIELD_PREP(IRDMA_CQPSQ_STAG_IDX, info->stag_idx)); 1146 if (!info->chunk_size) { 1147 set_64bit_val(wqe, 32, info->reg_addr_pa); 1148 set_64bit_val(wqe, 48, 0); 1149 } else { 1150 set_64bit_val(wqe, 32, 0); 1151 set_64bit_val(wqe, 48, 1152 FIELD_PREP(IRDMA_CQPSQ_STAG_FIRSTPMPBLIDX, info->first_pm_pbl_index)); 1153 } 1154 set_64bit_val(wqe, 40, info->hmc_fcn_index); 1155 set_64bit_val(wqe, 56, 0); 1156 1157 addr_type = (info->addr_type == IRDMA_ADDR_TYPE_VA_BASED) ? 1 : 0; 1158 hdr = FIELD_PREP(IRDMA_CQPSQ_OPCODE, IRDMA_CQP_OP_REG_MR) | 1159 FIELD_PREP(IRDMA_CQPSQ_STAG_MR, 1) | 1160 FIELD_PREP(IRDMA_CQPSQ_STAG_LPBLSIZE, info->chunk_size) | 1161 FIELD_PREP(IRDMA_CQPSQ_STAG_HPAGESIZE, page_size) | 1162 FIELD_PREP(IRDMA_CQPSQ_STAG_ARIGHTS, info->access_rights) | 1163 FIELD_PREP(IRDMA_CQPSQ_STAG_REMACCENABLED, remote_access) | 1164 FIELD_PREP(IRDMA_CQPSQ_STAG_VABASEDTO, addr_type) | 1165 FIELD_PREP(IRDMA_CQPSQ_STAG_USEHMCFNIDX, info->use_hmc_fcn_index) | 1166 FIELD_PREP(IRDMA_CQPSQ_STAG_USEPFRID, info->use_pf_rid) | 1167 FIELD_PREP(IRDMA_CQPSQ_WQEVALID, cqp->polarity); 1168 dma_wmb(); /* make sure WQE is written before valid bit is set */ 1169 1170 set_64bit_val(wqe, 24, hdr); 1171 1172 print_hex_dump_debug("WQE: MR_REG_NS WQE", DUMP_PREFIX_OFFSET, 16, 8, 1173 wqe, IRDMA_CQP_WQE_SIZE * 8, false); 1174 if (post_sq) 1175 irdma_sc_cqp_post_sq(cqp); 1176 1177 return 0; 1178 } 1179 1180 /** 1181 * irdma_sc_dealloc_stag - deallocate stag 1182 * @dev: sc device struct 1183 * @info: dealloc stag info 1184 * @scratch: u64 saved to be used during cqp completion 1185 * @post_sq: flag for cqp db to ring 1186 */ 1187 static enum irdma_status_code 1188 irdma_sc_dealloc_stag(struct irdma_sc_dev *dev, 1189 struct irdma_dealloc_stag_info *info, u64 scratch, 1190 bool post_sq) 1191 { 1192 u64 hdr; 1193 __le64 *wqe; 1194 struct irdma_sc_cqp *cqp; 1195 1196 cqp = dev->cqp; 1197 wqe = irdma_sc_cqp_get_next_send_wqe(cqp, scratch); 1198 if (!wqe) 1199 return IRDMA_ERR_RING_FULL; 1200 1201 set_64bit_val(wqe, 8, 1202 FLD_LS_64(dev, info->pd_id, IRDMA_CQPSQ_STAG_PDID)); 1203 set_64bit_val(wqe, 16, 1204 FIELD_PREP(IRDMA_CQPSQ_STAG_IDX, info->stag_idx)); 1205 1206 hdr = FIELD_PREP(IRDMA_CQPSQ_OPCODE, IRDMA_CQP_OP_DEALLOC_STAG) | 1207 FIELD_PREP(IRDMA_CQPSQ_STAG_MR, info->mr) | 1208 FIELD_PREP(IRDMA_CQPSQ_WQEVALID, cqp->polarity); 1209 dma_wmb(); /* make sure WQE is written before valid bit is set */ 1210 1211 set_64bit_val(wqe, 24, hdr); 1212 1213 print_hex_dump_debug("WQE: DEALLOC_STAG WQE", DUMP_PREFIX_OFFSET, 16, 1214 8, wqe, IRDMA_CQP_WQE_SIZE * 8, false); 1215 if (post_sq) 1216 irdma_sc_cqp_post_sq(cqp); 1217 1218 return 0; 1219 } 1220 1221 /** 1222 * irdma_sc_mw_alloc - mw allocate 1223 * @dev: sc device struct 1224 * @info: memory window allocation information 1225 * @scratch: u64 saved to be used during cqp completion 1226 * @post_sq: flag for cqp db to ring 1227 */ 1228 static enum irdma_status_code 1229 irdma_sc_mw_alloc(struct irdma_sc_dev *dev, struct irdma_mw_alloc_info *info, 1230 u64 scratch, bool post_sq) 1231 { 1232 u64 hdr; 1233 struct irdma_sc_cqp *cqp; 1234 __le64 *wqe; 1235 1236 cqp = dev->cqp; 1237 wqe = irdma_sc_cqp_get_next_send_wqe(cqp, scratch); 1238 if (!wqe) 1239 return IRDMA_ERR_RING_FULL; 1240 1241 set_64bit_val(wqe, 8, 1242 FLD_LS_64(dev, info->pd_id, IRDMA_CQPSQ_STAG_PDID)); 1243 set_64bit_val(wqe, 16, 1244 FIELD_PREP(IRDMA_CQPSQ_STAG_IDX, info->mw_stag_index)); 1245 1246 hdr = FIELD_PREP(IRDMA_CQPSQ_OPCODE, IRDMA_CQP_OP_ALLOC_STAG) | 1247 FIELD_PREP(IRDMA_CQPSQ_STAG_MWTYPE, info->mw_wide) | 1248 FIELD_PREP(IRDMA_CQPSQ_STAG_MW1_BIND_DONT_VLDT_KEY, 1249 info->mw1_bind_dont_vldt_key) | 1250 FIELD_PREP(IRDMA_CQPSQ_WQEVALID, cqp->polarity); 1251 dma_wmb(); /* make sure WQE is written before valid bit is set */ 1252 1253 set_64bit_val(wqe, 24, hdr); 1254 1255 print_hex_dump_debug("WQE: MW_ALLOC WQE", DUMP_PREFIX_OFFSET, 16, 8, 1256 wqe, IRDMA_CQP_WQE_SIZE * 8, false); 1257 if (post_sq) 1258 irdma_sc_cqp_post_sq(cqp); 1259 1260 return 0; 1261 } 1262 1263 /** 1264 * irdma_sc_mr_fast_register - Posts RDMA fast register mr WR to iwarp qp 1265 * @qp: sc qp struct 1266 * @info: fast mr info 1267 * @post_sq: flag for cqp db to ring 1268 */ 1269 enum irdma_status_code 1270 irdma_sc_mr_fast_register(struct irdma_sc_qp *qp, 1271 struct irdma_fast_reg_stag_info *info, bool post_sq) 1272 { 1273 u64 temp, hdr; 1274 __le64 *wqe; 1275 u32 wqe_idx; 1276 enum irdma_page_size page_size; 1277 struct irdma_post_sq_info sq_info = {}; 1278 1279 if (info->page_size == 0x40000000) 1280 page_size = IRDMA_PAGE_SIZE_1G; 1281 else if (info->page_size == 0x200000) 1282 page_size = IRDMA_PAGE_SIZE_2M; 1283 else 1284 page_size = IRDMA_PAGE_SIZE_4K; 1285 1286 sq_info.wr_id = info->wr_id; 1287 sq_info.signaled = info->signaled; 1288 sq_info.push_wqe = info->push_wqe; 1289 1290 wqe = irdma_qp_get_next_send_wqe(&qp->qp_uk, &wqe_idx, 1291 IRDMA_QP_WQE_MIN_QUANTA, 0, &sq_info); 1292 if (!wqe) 1293 return IRDMA_ERR_QP_TOOMANY_WRS_POSTED; 1294 1295 irdma_clr_wqes(&qp->qp_uk, wqe_idx); 1296 1297 ibdev_dbg(to_ibdev(qp->dev), 1298 "MR: wr_id[%llxh] wqe_idx[%04d] location[%p]\n", 1299 info->wr_id, wqe_idx, 1300 &qp->qp_uk.sq_wrtrk_array[wqe_idx].wrid); 1301 1302 temp = (info->addr_type == IRDMA_ADDR_TYPE_VA_BASED) ? 1303 (uintptr_t)info->va : info->fbo; 1304 set_64bit_val(wqe, 0, temp); 1305 1306 temp = FIELD_GET(IRDMAQPSQ_FIRSTPMPBLIDXHI, 1307 info->first_pm_pbl_index >> 16); 1308 set_64bit_val(wqe, 8, 1309 FIELD_PREP(IRDMAQPSQ_FIRSTPMPBLIDXHI, temp) | 1310 FIELD_PREP(IRDMAQPSQ_PBLADDR >> IRDMA_HW_PAGE_SHIFT, info->reg_addr_pa)); 1311 set_64bit_val(wqe, 16, 1312 info->total_len | 1313 FIELD_PREP(IRDMAQPSQ_FIRSTPMPBLIDXLO, info->first_pm_pbl_index)); 1314 1315 hdr = FIELD_PREP(IRDMAQPSQ_STAGKEY, info->stag_key) | 1316 FIELD_PREP(IRDMAQPSQ_STAGINDEX, info->stag_idx) | 1317 FIELD_PREP(IRDMAQPSQ_OPCODE, IRDMAQP_OP_FAST_REGISTER) | 1318 FIELD_PREP(IRDMAQPSQ_LPBLSIZE, info->chunk_size) | 1319 FIELD_PREP(IRDMAQPSQ_HPAGESIZE, page_size) | 1320 FIELD_PREP(IRDMAQPSQ_STAGRIGHTS, info->access_rights) | 1321 FIELD_PREP(IRDMAQPSQ_VABASEDTO, info->addr_type) | 1322 FIELD_PREP(IRDMAQPSQ_PUSHWQE, (sq_info.push_wqe ? 1 : 0)) | 1323 FIELD_PREP(IRDMAQPSQ_READFENCE, info->read_fence) | 1324 FIELD_PREP(IRDMAQPSQ_LOCALFENCE, info->local_fence) | 1325 FIELD_PREP(IRDMAQPSQ_SIGCOMPL, info->signaled) | 1326 FIELD_PREP(IRDMAQPSQ_VALID, qp->qp_uk.swqe_polarity); 1327 dma_wmb(); /* make sure WQE is written before valid bit is set */ 1328 1329 set_64bit_val(wqe, 24, hdr); 1330 1331 print_hex_dump_debug("WQE: FAST_REG WQE", DUMP_PREFIX_OFFSET, 16, 8, 1332 wqe, IRDMA_QP_WQE_MIN_SIZE, false); 1333 if (sq_info.push_wqe) { 1334 irdma_qp_push_wqe(&qp->qp_uk, wqe, IRDMA_QP_WQE_MIN_QUANTA, 1335 wqe_idx, post_sq); 1336 } else { 1337 if (post_sq) 1338 irdma_uk_qp_post_wr(&qp->qp_uk); 1339 } 1340 1341 return 0; 1342 } 1343 1344 /** 1345 * irdma_sc_gen_rts_ae - request AE generated after RTS 1346 * @qp: sc qp struct 1347 */ 1348 static void irdma_sc_gen_rts_ae(struct irdma_sc_qp *qp) 1349 { 1350 __le64 *wqe; 1351 u64 hdr; 1352 struct irdma_qp_uk *qp_uk; 1353 1354 qp_uk = &qp->qp_uk; 1355 1356 wqe = qp_uk->sq_base[1].elem; 1357 1358 hdr = FIELD_PREP(IRDMAQPSQ_OPCODE, IRDMAQP_OP_NOP) | 1359 FIELD_PREP(IRDMAQPSQ_LOCALFENCE, 1) | 1360 FIELD_PREP(IRDMAQPSQ_VALID, qp->qp_uk.swqe_polarity); 1361 dma_wmb(); /* make sure WQE is written before valid bit is set */ 1362 1363 set_64bit_val(wqe, 24, hdr); 1364 print_hex_dump_debug("QP: NOP W/LOCAL FENCE WQE", DUMP_PREFIX_OFFSET, 1365 16, 8, wqe, IRDMA_QP_WQE_MIN_SIZE, false); 1366 1367 wqe = qp_uk->sq_base[2].elem; 1368 hdr = FIELD_PREP(IRDMAQPSQ_OPCODE, IRDMAQP_OP_GEN_RTS_AE) | 1369 FIELD_PREP(IRDMAQPSQ_VALID, qp->qp_uk.swqe_polarity); 1370 dma_wmb(); /* make sure WQE is written before valid bit is set */ 1371 1372 set_64bit_val(wqe, 24, hdr); 1373 print_hex_dump_debug("QP: CONN EST WQE", DUMP_PREFIX_OFFSET, 16, 8, 1374 wqe, IRDMA_QP_WQE_MIN_SIZE, false); 1375 } 1376 1377 /** 1378 * irdma_sc_send_lsmm - send last streaming mode message 1379 * @qp: sc qp struct 1380 * @lsmm_buf: buffer with lsmm message 1381 * @size: size of lsmm buffer 1382 * @stag: stag of lsmm buffer 1383 */ 1384 void irdma_sc_send_lsmm(struct irdma_sc_qp *qp, void *lsmm_buf, u32 size, 1385 irdma_stag stag) 1386 { 1387 __le64 *wqe; 1388 u64 hdr; 1389 struct irdma_qp_uk *qp_uk; 1390 1391 qp_uk = &qp->qp_uk; 1392 wqe = qp_uk->sq_base->elem; 1393 1394 set_64bit_val(wqe, 0, (uintptr_t)lsmm_buf); 1395 if (qp->qp_uk.uk_attrs->hw_rev == IRDMA_GEN_1) { 1396 set_64bit_val(wqe, 8, 1397 FIELD_PREP(IRDMAQPSQ_GEN1_FRAG_LEN, size) | 1398 FIELD_PREP(IRDMAQPSQ_GEN1_FRAG_STAG, stag)); 1399 } else { 1400 set_64bit_val(wqe, 8, 1401 FIELD_PREP(IRDMAQPSQ_FRAG_LEN, size) | 1402 FIELD_PREP(IRDMAQPSQ_FRAG_STAG, stag) | 1403 FIELD_PREP(IRDMAQPSQ_VALID, qp->qp_uk.swqe_polarity)); 1404 } 1405 set_64bit_val(wqe, 16, 0); 1406 1407 hdr = FIELD_PREP(IRDMAQPSQ_OPCODE, IRDMAQP_OP_RDMA_SEND) | 1408 FIELD_PREP(IRDMAQPSQ_STREAMMODE, 1) | 1409 FIELD_PREP(IRDMAQPSQ_WAITFORRCVPDU, 1) | 1410 FIELD_PREP(IRDMAQPSQ_VALID, qp->qp_uk.swqe_polarity); 1411 dma_wmb(); /* make sure WQE is written before valid bit is set */ 1412 1413 set_64bit_val(wqe, 24, hdr); 1414 1415 print_hex_dump_debug("WQE: SEND_LSMM WQE", DUMP_PREFIX_OFFSET, 16, 8, 1416 wqe, IRDMA_QP_WQE_MIN_SIZE, false); 1417 1418 if (qp->dev->hw_attrs.uk_attrs.feature_flags & IRDMA_FEATURE_RTS_AE) 1419 irdma_sc_gen_rts_ae(qp); 1420 } 1421 1422 /** 1423 * irdma_sc_send_lsmm_nostag - for privilege qp 1424 * @qp: sc qp struct 1425 * @lsmm_buf: buffer with lsmm message 1426 * @size: size of lsmm buffer 1427 */ 1428 void irdma_sc_send_lsmm_nostag(struct irdma_sc_qp *qp, void *lsmm_buf, u32 size) 1429 { 1430 __le64 *wqe; 1431 u64 hdr; 1432 struct irdma_qp_uk *qp_uk; 1433 1434 qp_uk = &qp->qp_uk; 1435 wqe = qp_uk->sq_base->elem; 1436 1437 set_64bit_val(wqe, 0, (uintptr_t)lsmm_buf); 1438 1439 if (qp->qp_uk.uk_attrs->hw_rev == IRDMA_GEN_1) 1440 set_64bit_val(wqe, 8, 1441 FIELD_PREP(IRDMAQPSQ_GEN1_FRAG_LEN, size)); 1442 else 1443 set_64bit_val(wqe, 8, 1444 FIELD_PREP(IRDMAQPSQ_FRAG_LEN, size) | 1445 FIELD_PREP(IRDMAQPSQ_VALID, qp->qp_uk.swqe_polarity)); 1446 set_64bit_val(wqe, 16, 0); 1447 1448 hdr = FIELD_PREP(IRDMAQPSQ_OPCODE, IRDMAQP_OP_RDMA_SEND) | 1449 FIELD_PREP(IRDMAQPSQ_STREAMMODE, 1) | 1450 FIELD_PREP(IRDMAQPSQ_WAITFORRCVPDU, 1) | 1451 FIELD_PREP(IRDMAQPSQ_VALID, qp->qp_uk.swqe_polarity); 1452 dma_wmb(); /* make sure WQE is written before valid bit is set */ 1453 1454 set_64bit_val(wqe, 24, hdr); 1455 1456 print_hex_dump_debug("WQE: SEND_LSMM_NOSTAG WQE", DUMP_PREFIX_OFFSET, 1457 16, 8, wqe, IRDMA_QP_WQE_MIN_SIZE, false); 1458 } 1459 1460 /** 1461 * irdma_sc_send_rtt - send last read0 or write0 1462 * @qp: sc qp struct 1463 * @read: Do read0 or write0 1464 */ 1465 void irdma_sc_send_rtt(struct irdma_sc_qp *qp, bool read) 1466 { 1467 __le64 *wqe; 1468 u64 hdr; 1469 struct irdma_qp_uk *qp_uk; 1470 1471 qp_uk = &qp->qp_uk; 1472 wqe = qp_uk->sq_base->elem; 1473 1474 set_64bit_val(wqe, 0, 0); 1475 set_64bit_val(wqe, 16, 0); 1476 if (read) { 1477 if (qp->qp_uk.uk_attrs->hw_rev == IRDMA_GEN_1) { 1478 set_64bit_val(wqe, 8, 1479 FIELD_PREP(IRDMAQPSQ_GEN1_FRAG_STAG, 0xabcd)); 1480 } else { 1481 set_64bit_val(wqe, 8, 1482 (u64)0xabcd | FIELD_PREP(IRDMAQPSQ_VALID, qp->qp_uk.swqe_polarity)); 1483 } 1484 hdr = FIELD_PREP(IRDMAQPSQ_REMSTAG, 0x1234) | 1485 FIELD_PREP(IRDMAQPSQ_OPCODE, IRDMAQP_OP_RDMA_READ) | 1486 FIELD_PREP(IRDMAQPSQ_VALID, qp->qp_uk.swqe_polarity); 1487 1488 } else { 1489 if (qp->qp_uk.uk_attrs->hw_rev == IRDMA_GEN_1) { 1490 set_64bit_val(wqe, 8, 0); 1491 } else { 1492 set_64bit_val(wqe, 8, 1493 FIELD_PREP(IRDMAQPSQ_VALID, qp->qp_uk.swqe_polarity)); 1494 } 1495 hdr = FIELD_PREP(IRDMAQPSQ_OPCODE, IRDMAQP_OP_RDMA_WRITE) | 1496 FIELD_PREP(IRDMAQPSQ_VALID, qp->qp_uk.swqe_polarity); 1497 } 1498 1499 dma_wmb(); /* make sure WQE is written before valid bit is set */ 1500 1501 set_64bit_val(wqe, 24, hdr); 1502 1503 print_hex_dump_debug("WQE: RTR WQE", DUMP_PREFIX_OFFSET, 16, 8, wqe, 1504 IRDMA_QP_WQE_MIN_SIZE, false); 1505 1506 if (qp->dev->hw_attrs.uk_attrs.feature_flags & IRDMA_FEATURE_RTS_AE) 1507 irdma_sc_gen_rts_ae(qp); 1508 } 1509 1510 /** 1511 * irdma_iwarp_opcode - determine if incoming is rdma layer 1512 * @info: aeq info for the packet 1513 * @pkt: packet for error 1514 */ 1515 static u32 irdma_iwarp_opcode(struct irdma_aeqe_info *info, u8 *pkt) 1516 { 1517 __be16 *mpa; 1518 u32 opcode = 0xffffffff; 1519 1520 if (info->q2_data_written) { 1521 mpa = (__be16 *)pkt; 1522 opcode = ntohs(mpa[1]) & 0xf; 1523 } 1524 1525 return opcode; 1526 } 1527 1528 /** 1529 * irdma_locate_mpa - return pointer to mpa in the pkt 1530 * @pkt: packet with data 1531 */ 1532 static u8 *irdma_locate_mpa(u8 *pkt) 1533 { 1534 /* skip over ethernet header */ 1535 pkt += IRDMA_MAC_HLEN; 1536 1537 /* Skip over IP and TCP headers */ 1538 pkt += 4 * (pkt[0] & 0x0f); 1539 pkt += 4 * ((pkt[12] >> 4) & 0x0f); 1540 1541 return pkt; 1542 } 1543 1544 /** 1545 * irdma_bld_termhdr_ctrl - setup terminate hdr control fields 1546 * @qp: sc qp ptr for pkt 1547 * @hdr: term hdr 1548 * @opcode: flush opcode for termhdr 1549 * @layer_etype: error layer + error type 1550 * @err: error cod ein the header 1551 */ 1552 static void irdma_bld_termhdr_ctrl(struct irdma_sc_qp *qp, 1553 struct irdma_terminate_hdr *hdr, 1554 enum irdma_flush_opcode opcode, 1555 u8 layer_etype, u8 err) 1556 { 1557 qp->flush_code = opcode; 1558 hdr->layer_etype = layer_etype; 1559 hdr->error_code = err; 1560 } 1561 1562 /** 1563 * irdma_bld_termhdr_ddp_rdma - setup ddp and rdma hdrs in terminate hdr 1564 * @pkt: ptr to mpa in offending pkt 1565 * @hdr: term hdr 1566 * @copy_len: offending pkt length to be copied to term hdr 1567 * @is_tagged: DDP tagged or untagged 1568 */ 1569 static void irdma_bld_termhdr_ddp_rdma(u8 *pkt, struct irdma_terminate_hdr *hdr, 1570 int *copy_len, u8 *is_tagged) 1571 { 1572 u16 ddp_seg_len; 1573 1574 ddp_seg_len = ntohs(*(__be16 *)pkt); 1575 if (ddp_seg_len) { 1576 *copy_len = 2; 1577 hdr->hdrct = DDP_LEN_FLAG; 1578 if (pkt[2] & 0x80) { 1579 *is_tagged = 1; 1580 if (ddp_seg_len >= TERM_DDP_LEN_TAGGED) { 1581 *copy_len += TERM_DDP_LEN_TAGGED; 1582 hdr->hdrct |= DDP_HDR_FLAG; 1583 } 1584 } else { 1585 if (ddp_seg_len >= TERM_DDP_LEN_UNTAGGED) { 1586 *copy_len += TERM_DDP_LEN_UNTAGGED; 1587 hdr->hdrct |= DDP_HDR_FLAG; 1588 } 1589 if (ddp_seg_len >= (TERM_DDP_LEN_UNTAGGED + TERM_RDMA_LEN) && 1590 ((pkt[3] & RDMA_OPCODE_M) == RDMA_READ_REQ_OPCODE)) { 1591 *copy_len += TERM_RDMA_LEN; 1592 hdr->hdrct |= RDMA_HDR_FLAG; 1593 } 1594 } 1595 } 1596 } 1597 1598 /** 1599 * irdma_bld_terminate_hdr - build terminate message header 1600 * @qp: qp associated with received terminate AE 1601 * @info: the struct contiaing AE information 1602 */ 1603 static int irdma_bld_terminate_hdr(struct irdma_sc_qp *qp, 1604 struct irdma_aeqe_info *info) 1605 { 1606 u8 *pkt = qp->q2_buf + Q2_BAD_FRAME_OFFSET; 1607 int copy_len = 0; 1608 u8 is_tagged = 0; 1609 u32 opcode; 1610 struct irdma_terminate_hdr *termhdr; 1611 1612 termhdr = (struct irdma_terminate_hdr *)qp->q2_buf; 1613 memset(termhdr, 0, Q2_BAD_FRAME_OFFSET); 1614 1615 if (info->q2_data_written) { 1616 pkt = irdma_locate_mpa(pkt); 1617 irdma_bld_termhdr_ddp_rdma(pkt, termhdr, ©_len, &is_tagged); 1618 } 1619 1620 opcode = irdma_iwarp_opcode(info, pkt); 1621 qp->event_type = IRDMA_QP_EVENT_CATASTROPHIC; 1622 qp->sq_flush_code = info->sq; 1623 qp->rq_flush_code = info->rq; 1624 1625 switch (info->ae_id) { 1626 case IRDMA_AE_AMP_UNALLOCATED_STAG: 1627 qp->event_type = IRDMA_QP_EVENT_ACCESS_ERR; 1628 if (opcode == IRDMA_OP_TYPE_RDMA_WRITE) 1629 irdma_bld_termhdr_ctrl(qp, termhdr, FLUSH_PROT_ERR, 1630 (LAYER_DDP << 4) | DDP_TAGGED_BUF, 1631 DDP_TAGGED_INV_STAG); 1632 else 1633 irdma_bld_termhdr_ctrl(qp, termhdr, FLUSH_REM_ACCESS_ERR, 1634 (LAYER_RDMA << 4) | RDMAP_REMOTE_PROT, 1635 RDMAP_INV_STAG); 1636 break; 1637 case IRDMA_AE_AMP_BOUNDS_VIOLATION: 1638 qp->event_type = IRDMA_QP_EVENT_ACCESS_ERR; 1639 if (info->q2_data_written) 1640 irdma_bld_termhdr_ctrl(qp, termhdr, FLUSH_PROT_ERR, 1641 (LAYER_DDP << 4) | DDP_TAGGED_BUF, 1642 DDP_TAGGED_BOUNDS); 1643 else 1644 irdma_bld_termhdr_ctrl(qp, termhdr, FLUSH_REM_ACCESS_ERR, 1645 (LAYER_RDMA << 4) | RDMAP_REMOTE_PROT, 1646 RDMAP_INV_BOUNDS); 1647 break; 1648 case IRDMA_AE_AMP_BAD_PD: 1649 switch (opcode) { 1650 case IRDMA_OP_TYPE_RDMA_WRITE: 1651 irdma_bld_termhdr_ctrl(qp, termhdr, FLUSH_PROT_ERR, 1652 (LAYER_DDP << 4) | DDP_TAGGED_BUF, 1653 DDP_TAGGED_UNASSOC_STAG); 1654 break; 1655 case IRDMA_OP_TYPE_SEND_INV: 1656 case IRDMA_OP_TYPE_SEND_SOL_INV: 1657 irdma_bld_termhdr_ctrl(qp, termhdr, FLUSH_REM_ACCESS_ERR, 1658 (LAYER_RDMA << 4) | RDMAP_REMOTE_PROT, 1659 RDMAP_CANT_INV_STAG); 1660 break; 1661 default: 1662 irdma_bld_termhdr_ctrl(qp, termhdr, FLUSH_REM_ACCESS_ERR, 1663 (LAYER_RDMA << 4) | RDMAP_REMOTE_PROT, 1664 RDMAP_UNASSOC_STAG); 1665 } 1666 break; 1667 case IRDMA_AE_AMP_INVALID_STAG: 1668 qp->event_type = IRDMA_QP_EVENT_ACCESS_ERR; 1669 irdma_bld_termhdr_ctrl(qp, termhdr, FLUSH_REM_ACCESS_ERR, 1670 (LAYER_RDMA << 4) | RDMAP_REMOTE_PROT, 1671 RDMAP_INV_STAG); 1672 break; 1673 case IRDMA_AE_AMP_BAD_QP: 1674 irdma_bld_termhdr_ctrl(qp, termhdr, FLUSH_LOC_QP_OP_ERR, 1675 (LAYER_DDP << 4) | DDP_UNTAGGED_BUF, 1676 DDP_UNTAGGED_INV_QN); 1677 break; 1678 case IRDMA_AE_AMP_BAD_STAG_KEY: 1679 case IRDMA_AE_AMP_BAD_STAG_INDEX: 1680 qp->event_type = IRDMA_QP_EVENT_ACCESS_ERR; 1681 switch (opcode) { 1682 case IRDMA_OP_TYPE_SEND_INV: 1683 case IRDMA_OP_TYPE_SEND_SOL_INV: 1684 irdma_bld_termhdr_ctrl(qp, termhdr, FLUSH_REM_OP_ERR, 1685 (LAYER_RDMA << 4) | RDMAP_REMOTE_OP, 1686 RDMAP_CANT_INV_STAG); 1687 break; 1688 default: 1689 irdma_bld_termhdr_ctrl(qp, termhdr, FLUSH_REM_ACCESS_ERR, 1690 (LAYER_RDMA << 4) | RDMAP_REMOTE_OP, 1691 RDMAP_INV_STAG); 1692 } 1693 break; 1694 case IRDMA_AE_AMP_RIGHTS_VIOLATION: 1695 case IRDMA_AE_AMP_INVALIDATE_NO_REMOTE_ACCESS_RIGHTS: 1696 case IRDMA_AE_PRIV_OPERATION_DENIED: 1697 qp->event_type = IRDMA_QP_EVENT_ACCESS_ERR; 1698 irdma_bld_termhdr_ctrl(qp, termhdr, FLUSH_REM_ACCESS_ERR, 1699 (LAYER_RDMA << 4) | RDMAP_REMOTE_PROT, 1700 RDMAP_ACCESS); 1701 break; 1702 case IRDMA_AE_AMP_TO_WRAP: 1703 qp->event_type = IRDMA_QP_EVENT_ACCESS_ERR; 1704 irdma_bld_termhdr_ctrl(qp, termhdr, FLUSH_REM_ACCESS_ERR, 1705 (LAYER_RDMA << 4) | RDMAP_REMOTE_PROT, 1706 RDMAP_TO_WRAP); 1707 break; 1708 case IRDMA_AE_LLP_RECEIVED_MPA_CRC_ERROR: 1709 irdma_bld_termhdr_ctrl(qp, termhdr, FLUSH_GENERAL_ERR, 1710 (LAYER_MPA << 4) | DDP_LLP, MPA_CRC); 1711 break; 1712 case IRDMA_AE_LLP_SEGMENT_TOO_SMALL: 1713 irdma_bld_termhdr_ctrl(qp, termhdr, FLUSH_LOC_LEN_ERR, 1714 (LAYER_DDP << 4) | DDP_CATASTROPHIC, 1715 DDP_CATASTROPHIC_LOCAL); 1716 break; 1717 case IRDMA_AE_LCE_QP_CATASTROPHIC: 1718 case IRDMA_AE_DDP_NO_L_BIT: 1719 irdma_bld_termhdr_ctrl(qp, termhdr, FLUSH_FATAL_ERR, 1720 (LAYER_DDP << 4) | DDP_CATASTROPHIC, 1721 DDP_CATASTROPHIC_LOCAL); 1722 break; 1723 case IRDMA_AE_DDP_INVALID_MSN_GAP_IN_MSN: 1724 irdma_bld_termhdr_ctrl(qp, termhdr, FLUSH_GENERAL_ERR, 1725 (LAYER_DDP << 4) | DDP_UNTAGGED_BUF, 1726 DDP_UNTAGGED_INV_MSN_RANGE); 1727 break; 1728 case IRDMA_AE_DDP_UBE_DDP_MESSAGE_TOO_LONG_FOR_AVAILABLE_BUFFER: 1729 qp->event_type = IRDMA_QP_EVENT_ACCESS_ERR; 1730 irdma_bld_termhdr_ctrl(qp, termhdr, FLUSH_LOC_LEN_ERR, 1731 (LAYER_DDP << 4) | DDP_UNTAGGED_BUF, 1732 DDP_UNTAGGED_INV_TOO_LONG); 1733 break; 1734 case IRDMA_AE_DDP_UBE_INVALID_DDP_VERSION: 1735 if (is_tagged) 1736 irdma_bld_termhdr_ctrl(qp, termhdr, FLUSH_GENERAL_ERR, 1737 (LAYER_DDP << 4) | DDP_TAGGED_BUF, 1738 DDP_TAGGED_INV_DDP_VER); 1739 else 1740 irdma_bld_termhdr_ctrl(qp, termhdr, FLUSH_GENERAL_ERR, 1741 (LAYER_DDP << 4) | DDP_UNTAGGED_BUF, 1742 DDP_UNTAGGED_INV_DDP_VER); 1743 break; 1744 case IRDMA_AE_DDP_UBE_INVALID_MO: 1745 irdma_bld_termhdr_ctrl(qp, termhdr, FLUSH_GENERAL_ERR, 1746 (LAYER_DDP << 4) | DDP_UNTAGGED_BUF, 1747 DDP_UNTAGGED_INV_MO); 1748 break; 1749 case IRDMA_AE_DDP_UBE_INVALID_MSN_NO_BUFFER_AVAILABLE: 1750 irdma_bld_termhdr_ctrl(qp, termhdr, FLUSH_REM_OP_ERR, 1751 (LAYER_DDP << 4) | DDP_UNTAGGED_BUF, 1752 DDP_UNTAGGED_INV_MSN_NO_BUF); 1753 break; 1754 case IRDMA_AE_DDP_UBE_INVALID_QN: 1755 irdma_bld_termhdr_ctrl(qp, termhdr, FLUSH_GENERAL_ERR, 1756 (LAYER_DDP << 4) | DDP_UNTAGGED_BUF, 1757 DDP_UNTAGGED_INV_QN); 1758 break; 1759 case IRDMA_AE_RDMAP_ROE_INVALID_RDMAP_VERSION: 1760 irdma_bld_termhdr_ctrl(qp, termhdr, FLUSH_GENERAL_ERR, 1761 (LAYER_RDMA << 4) | RDMAP_REMOTE_OP, 1762 RDMAP_INV_RDMAP_VER); 1763 break; 1764 default: 1765 irdma_bld_termhdr_ctrl(qp, termhdr, FLUSH_FATAL_ERR, 1766 (LAYER_RDMA << 4) | RDMAP_REMOTE_OP, 1767 RDMAP_UNSPECIFIED); 1768 break; 1769 } 1770 1771 if (copy_len) 1772 memcpy(termhdr + 1, pkt, copy_len); 1773 1774 return sizeof(struct irdma_terminate_hdr) + copy_len; 1775 } 1776 1777 /** 1778 * irdma_terminate_send_fin() - Send fin for terminate message 1779 * @qp: qp associated with received terminate AE 1780 */ 1781 void irdma_terminate_send_fin(struct irdma_sc_qp *qp) 1782 { 1783 irdma_term_modify_qp(qp, IRDMA_QP_STATE_TERMINATE, 1784 IRDMAQP_TERM_SEND_FIN_ONLY, 0); 1785 } 1786 1787 /** 1788 * irdma_terminate_connection() - Bad AE and send terminate to remote QP 1789 * @qp: qp associated with received terminate AE 1790 * @info: the struct contiaing AE information 1791 */ 1792 void irdma_terminate_connection(struct irdma_sc_qp *qp, 1793 struct irdma_aeqe_info *info) 1794 { 1795 u8 termlen = 0; 1796 1797 if (qp->term_flags & IRDMA_TERM_SENT) 1798 return; 1799 1800 termlen = irdma_bld_terminate_hdr(qp, info); 1801 irdma_terminate_start_timer(qp); 1802 qp->term_flags |= IRDMA_TERM_SENT; 1803 irdma_term_modify_qp(qp, IRDMA_QP_STATE_TERMINATE, 1804 IRDMAQP_TERM_SEND_TERM_ONLY, termlen); 1805 } 1806 1807 /** 1808 * irdma_terminate_received - handle terminate received AE 1809 * @qp: qp associated with received terminate AE 1810 * @info: the struct contiaing AE information 1811 */ 1812 void irdma_terminate_received(struct irdma_sc_qp *qp, 1813 struct irdma_aeqe_info *info) 1814 { 1815 u8 *pkt = qp->q2_buf + Q2_BAD_FRAME_OFFSET; 1816 __be32 *mpa; 1817 u8 ddp_ctl; 1818 u8 rdma_ctl; 1819 u16 aeq_id = 0; 1820 struct irdma_terminate_hdr *termhdr; 1821 1822 mpa = (__be32 *)irdma_locate_mpa(pkt); 1823 if (info->q2_data_written) { 1824 /* did not validate the frame - do it now */ 1825 ddp_ctl = (ntohl(mpa[0]) >> 8) & 0xff; 1826 rdma_ctl = ntohl(mpa[0]) & 0xff; 1827 if ((ddp_ctl & 0xc0) != 0x40) 1828 aeq_id = IRDMA_AE_LCE_QP_CATASTROPHIC; 1829 else if ((ddp_ctl & 0x03) != 1) 1830 aeq_id = IRDMA_AE_DDP_UBE_INVALID_DDP_VERSION; 1831 else if (ntohl(mpa[2]) != 2) 1832 aeq_id = IRDMA_AE_DDP_UBE_INVALID_QN; 1833 else if (ntohl(mpa[3]) != 1) 1834 aeq_id = IRDMA_AE_DDP_INVALID_MSN_GAP_IN_MSN; 1835 else if (ntohl(mpa[4]) != 0) 1836 aeq_id = IRDMA_AE_DDP_UBE_INVALID_MO; 1837 else if ((rdma_ctl & 0xc0) != 0x40) 1838 aeq_id = IRDMA_AE_RDMAP_ROE_INVALID_RDMAP_VERSION; 1839 1840 info->ae_id = aeq_id; 1841 if (info->ae_id) { 1842 /* Bad terminate recvd - send back a terminate */ 1843 irdma_terminate_connection(qp, info); 1844 return; 1845 } 1846 } 1847 1848 qp->term_flags |= IRDMA_TERM_RCVD; 1849 qp->event_type = IRDMA_QP_EVENT_CATASTROPHIC; 1850 termhdr = (struct irdma_terminate_hdr *)&mpa[5]; 1851 if (termhdr->layer_etype == RDMAP_REMOTE_PROT || 1852 termhdr->layer_etype == RDMAP_REMOTE_OP) { 1853 irdma_terminate_done(qp, 0); 1854 } else { 1855 irdma_terminate_start_timer(qp); 1856 irdma_terminate_send_fin(qp); 1857 } 1858 } 1859 1860 static enum irdma_status_code irdma_null_ws_add(struct irdma_sc_vsi *vsi, 1861 u8 user_pri) 1862 { 1863 return 0; 1864 } 1865 1866 static void irdma_null_ws_remove(struct irdma_sc_vsi *vsi, u8 user_pri) 1867 { 1868 /* do nothing */ 1869 } 1870 1871 static void irdma_null_ws_reset(struct irdma_sc_vsi *vsi) 1872 { 1873 /* do nothing */ 1874 } 1875 1876 /** 1877 * irdma_sc_vsi_init - Init the vsi structure 1878 * @vsi: pointer to vsi structure to initialize 1879 * @info: the info used to initialize the vsi struct 1880 */ 1881 void irdma_sc_vsi_init(struct irdma_sc_vsi *vsi, 1882 struct irdma_vsi_init_info *info) 1883 { 1884 struct irdma_l2params *l2p; 1885 int i; 1886 1887 vsi->dev = info->dev; 1888 vsi->back_vsi = info->back_vsi; 1889 vsi->register_qset = info->register_qset; 1890 vsi->unregister_qset = info->unregister_qset; 1891 vsi->mtu = info->params->mtu; 1892 vsi->exception_lan_q = info->exception_lan_q; 1893 vsi->vsi_idx = info->pf_data_vsi_num; 1894 if (vsi->dev->hw_attrs.uk_attrs.hw_rev == IRDMA_GEN_1) 1895 vsi->fcn_id = info->dev->hmc_fn_id; 1896 1897 l2p = info->params; 1898 vsi->qos_rel_bw = l2p->vsi_rel_bw; 1899 vsi->qos_prio_type = l2p->vsi_prio_type; 1900 for (i = 0; i < IRDMA_MAX_USER_PRIORITY; i++) { 1901 if (vsi->dev->hw_attrs.uk_attrs.hw_rev == IRDMA_GEN_1) 1902 vsi->qos[i].qs_handle = l2p->qs_handle_list[i]; 1903 vsi->qos[i].traffic_class = info->params->up2tc[i]; 1904 vsi->qos[i].rel_bw = 1905 l2p->tc_info[vsi->qos[i].traffic_class].rel_bw; 1906 vsi->qos[i].prio_type = 1907 l2p->tc_info[vsi->qos[i].traffic_class].prio_type; 1908 vsi->qos[i].valid = false; 1909 mutex_init(&vsi->qos[i].qos_mutex); 1910 INIT_LIST_HEAD(&vsi->qos[i].qplist); 1911 } 1912 if (vsi->register_qset) { 1913 vsi->dev->ws_add = irdma_ws_add; 1914 vsi->dev->ws_remove = irdma_ws_remove; 1915 vsi->dev->ws_reset = irdma_ws_reset; 1916 } else { 1917 vsi->dev->ws_add = irdma_null_ws_add; 1918 vsi->dev->ws_remove = irdma_null_ws_remove; 1919 vsi->dev->ws_reset = irdma_null_ws_reset; 1920 } 1921 } 1922 1923 /** 1924 * irdma_get_fcn_id - Return the function id 1925 * @vsi: pointer to the vsi 1926 */ 1927 static u8 irdma_get_fcn_id(struct irdma_sc_vsi *vsi) 1928 { 1929 struct irdma_stats_inst_info stats_info = {}; 1930 struct irdma_sc_dev *dev = vsi->dev; 1931 u8 fcn_id = IRDMA_INVALID_FCN_ID; 1932 u8 start_idx, max_stats, i; 1933 1934 if (dev->hw_attrs.uk_attrs.hw_rev != IRDMA_GEN_1) { 1935 if (!irdma_cqp_stats_inst_cmd(vsi, IRDMA_OP_STATS_ALLOCATE, 1936 &stats_info)) 1937 return stats_info.stats_idx; 1938 } 1939 1940 start_idx = 1; 1941 max_stats = 16; 1942 for (i = start_idx; i < max_stats; i++) 1943 if (!dev->fcn_id_array[i]) { 1944 fcn_id = i; 1945 dev->fcn_id_array[i] = true; 1946 break; 1947 } 1948 1949 return fcn_id; 1950 } 1951 1952 /** 1953 * irdma_vsi_stats_init - Initialize the vsi statistics 1954 * @vsi: pointer to the vsi structure 1955 * @info: The info structure used for initialization 1956 */ 1957 enum irdma_status_code irdma_vsi_stats_init(struct irdma_sc_vsi *vsi, 1958 struct irdma_vsi_stats_info *info) 1959 { 1960 u8 fcn_id = info->fcn_id; 1961 struct irdma_dma_mem *stats_buff_mem; 1962 1963 vsi->pestat = info->pestat; 1964 vsi->pestat->hw = vsi->dev->hw; 1965 vsi->pestat->vsi = vsi; 1966 stats_buff_mem = &vsi->pestat->gather_info.stats_buff_mem; 1967 stats_buff_mem->size = ALIGN(IRDMA_GATHER_STATS_BUF_SIZE * 2, 1); 1968 stats_buff_mem->va = dma_alloc_coherent(vsi->pestat->hw->device, 1969 stats_buff_mem->size, 1970 &stats_buff_mem->pa, 1971 GFP_KERNEL); 1972 if (!stats_buff_mem->va) 1973 return IRDMA_ERR_NO_MEMORY; 1974 1975 vsi->pestat->gather_info.gather_stats_va = stats_buff_mem->va; 1976 vsi->pestat->gather_info.last_gather_stats_va = 1977 (void *)((uintptr_t)stats_buff_mem->va + 1978 IRDMA_GATHER_STATS_BUF_SIZE); 1979 1980 irdma_hw_stats_start_timer(vsi); 1981 if (info->alloc_fcn_id) 1982 fcn_id = irdma_get_fcn_id(vsi); 1983 if (fcn_id == IRDMA_INVALID_FCN_ID) 1984 goto stats_error; 1985 1986 vsi->stats_fcn_id_alloc = info->alloc_fcn_id; 1987 vsi->fcn_id = fcn_id; 1988 if (info->alloc_fcn_id) { 1989 vsi->pestat->gather_info.use_stats_inst = true; 1990 vsi->pestat->gather_info.stats_inst_index = fcn_id; 1991 } 1992 1993 return 0; 1994 1995 stats_error: 1996 dma_free_coherent(vsi->pestat->hw->device, stats_buff_mem->size, 1997 stats_buff_mem->va, stats_buff_mem->pa); 1998 stats_buff_mem->va = NULL; 1999 2000 return IRDMA_ERR_CQP_COMPL_ERROR; 2001 } 2002 2003 /** 2004 * irdma_vsi_stats_free - Free the vsi stats 2005 * @vsi: pointer to the vsi structure 2006 */ 2007 void irdma_vsi_stats_free(struct irdma_sc_vsi *vsi) 2008 { 2009 struct irdma_stats_inst_info stats_info = {}; 2010 u8 fcn_id = vsi->fcn_id; 2011 struct irdma_sc_dev *dev = vsi->dev; 2012 2013 if (dev->hw_attrs.uk_attrs.hw_rev != IRDMA_GEN_1) { 2014 if (vsi->stats_fcn_id_alloc) { 2015 stats_info.stats_idx = vsi->fcn_id; 2016 irdma_cqp_stats_inst_cmd(vsi, IRDMA_OP_STATS_FREE, 2017 &stats_info); 2018 } 2019 } else { 2020 if (vsi->stats_fcn_id_alloc && 2021 fcn_id < vsi->dev->hw_attrs.max_stat_inst) 2022 vsi->dev->fcn_id_array[fcn_id] = false; 2023 } 2024 2025 if (!vsi->pestat) 2026 return; 2027 irdma_hw_stats_stop_timer(vsi); 2028 dma_free_coherent(vsi->pestat->hw->device, 2029 vsi->pestat->gather_info.stats_buff_mem.size, 2030 vsi->pestat->gather_info.stats_buff_mem.va, 2031 vsi->pestat->gather_info.stats_buff_mem.pa); 2032 vsi->pestat->gather_info.stats_buff_mem.va = NULL; 2033 } 2034 2035 /** 2036 * irdma_get_encoded_wqe_size - given wq size, returns hardware encoded size 2037 * @wqsize: size of the wq (sq, rq) to encoded_size 2038 * @queue_type: queue type selected for the calculation algorithm 2039 */ 2040 u8 irdma_get_encoded_wqe_size(u32 wqsize, enum irdma_queue_type queue_type) 2041 { 2042 u8 encoded_size = 0; 2043 2044 /* cqp sq's hw coded value starts from 1 for size of 4 2045 * while it starts from 0 for qp' wq's. 2046 */ 2047 if (queue_type == IRDMA_QUEUE_TYPE_CQP) 2048 encoded_size = 1; 2049 wqsize >>= 2; 2050 while (wqsize >>= 1) 2051 encoded_size++; 2052 2053 return encoded_size; 2054 } 2055 2056 /** 2057 * irdma_sc_gather_stats - collect the statistics 2058 * @cqp: struct for cqp hw 2059 * @info: gather stats info structure 2060 * @scratch: u64 saved to be used during cqp completion 2061 */ 2062 static enum irdma_status_code 2063 irdma_sc_gather_stats(struct irdma_sc_cqp *cqp, 2064 struct irdma_stats_gather_info *info, u64 scratch) 2065 { 2066 __le64 *wqe; 2067 u64 temp; 2068 2069 if (info->stats_buff_mem.size < IRDMA_GATHER_STATS_BUF_SIZE) 2070 return IRDMA_ERR_BUF_TOO_SHORT; 2071 2072 wqe = irdma_sc_cqp_get_next_send_wqe(cqp, scratch); 2073 if (!wqe) 2074 return IRDMA_ERR_RING_FULL; 2075 2076 set_64bit_val(wqe, 40, 2077 FIELD_PREP(IRDMA_CQPSQ_STATS_HMC_FCN_INDEX, info->hmc_fcn_index)); 2078 set_64bit_val(wqe, 32, info->stats_buff_mem.pa); 2079 2080 temp = FIELD_PREP(IRDMA_CQPSQ_STATS_WQEVALID, cqp->polarity) | 2081 FIELD_PREP(IRDMA_CQPSQ_STATS_USE_INST, info->use_stats_inst) | 2082 FIELD_PREP(IRDMA_CQPSQ_STATS_INST_INDEX, 2083 info->stats_inst_index) | 2084 FIELD_PREP(IRDMA_CQPSQ_STATS_USE_HMC_FCN_INDEX, 2085 info->use_hmc_fcn_index) | 2086 FIELD_PREP(IRDMA_CQPSQ_STATS_OP, IRDMA_CQP_OP_GATHER_STATS); 2087 dma_wmb(); /* make sure WQE is written before valid bit is set */ 2088 2089 set_64bit_val(wqe, 24, temp); 2090 2091 print_hex_dump_debug("STATS: GATHER_STATS WQE", DUMP_PREFIX_OFFSET, 2092 16, 8, wqe, IRDMA_CQP_WQE_SIZE * 8, false); 2093 2094 irdma_sc_cqp_post_sq(cqp); 2095 ibdev_dbg(to_ibdev(cqp->dev), 2096 "STATS: CQP SQ head 0x%x tail 0x%x size 0x%x\n", 2097 cqp->sq_ring.head, cqp->sq_ring.tail, cqp->sq_ring.size); 2098 2099 return 0; 2100 } 2101 2102 /** 2103 * irdma_sc_manage_stats_inst - allocate or free stats instance 2104 * @cqp: struct for cqp hw 2105 * @info: stats info structure 2106 * @alloc: alloc vs. delete flag 2107 * @scratch: u64 saved to be used during cqp completion 2108 */ 2109 static enum irdma_status_code 2110 irdma_sc_manage_stats_inst(struct irdma_sc_cqp *cqp, 2111 struct irdma_stats_inst_info *info, bool alloc, 2112 u64 scratch) 2113 { 2114 __le64 *wqe; 2115 u64 temp; 2116 2117 wqe = irdma_sc_cqp_get_next_send_wqe(cqp, scratch); 2118 if (!wqe) 2119 return IRDMA_ERR_RING_FULL; 2120 2121 set_64bit_val(wqe, 40, 2122 FIELD_PREP(IRDMA_CQPSQ_STATS_HMC_FCN_INDEX, info->hmc_fn_id)); 2123 temp = FIELD_PREP(IRDMA_CQPSQ_STATS_WQEVALID, cqp->polarity) | 2124 FIELD_PREP(IRDMA_CQPSQ_STATS_ALLOC_INST, alloc) | 2125 FIELD_PREP(IRDMA_CQPSQ_STATS_USE_HMC_FCN_INDEX, 2126 info->use_hmc_fcn_index) | 2127 FIELD_PREP(IRDMA_CQPSQ_STATS_INST_INDEX, info->stats_idx) | 2128 FIELD_PREP(IRDMA_CQPSQ_STATS_OP, IRDMA_CQP_OP_MANAGE_STATS); 2129 2130 dma_wmb(); /* make sure WQE is written before valid bit is set */ 2131 2132 set_64bit_val(wqe, 24, temp); 2133 2134 print_hex_dump_debug("WQE: MANAGE_STATS WQE", DUMP_PREFIX_OFFSET, 16, 2135 8, wqe, IRDMA_CQP_WQE_SIZE * 8, false); 2136 2137 irdma_sc_cqp_post_sq(cqp); 2138 return 0; 2139 } 2140 2141 /** 2142 * irdma_sc_set_up_map - set the up map table 2143 * @cqp: struct for cqp hw 2144 * @info: User priority map info 2145 * @scratch: u64 saved to be used during cqp completion 2146 */ 2147 static enum irdma_status_code irdma_sc_set_up_map(struct irdma_sc_cqp *cqp, 2148 struct irdma_up_info *info, 2149 u64 scratch) 2150 { 2151 __le64 *wqe; 2152 u64 temp = 0; 2153 int i; 2154 2155 wqe = irdma_sc_cqp_get_next_send_wqe(cqp, scratch); 2156 if (!wqe) 2157 return IRDMA_ERR_RING_FULL; 2158 2159 for (i = 0; i < IRDMA_MAX_USER_PRIORITY; i++) 2160 temp |= (u64)info->map[i] << (i * 8); 2161 2162 set_64bit_val(wqe, 0, temp); 2163 set_64bit_val(wqe, 40, 2164 FIELD_PREP(IRDMA_CQPSQ_UP_CNPOVERRIDE, info->cnp_up_override) | 2165 FIELD_PREP(IRDMA_CQPSQ_UP_HMCFCNIDX, info->hmc_fcn_idx)); 2166 2167 temp = FIELD_PREP(IRDMA_CQPSQ_UP_WQEVALID, cqp->polarity) | 2168 FIELD_PREP(IRDMA_CQPSQ_UP_USEVLAN, info->use_vlan) | 2169 FIELD_PREP(IRDMA_CQPSQ_UP_USEOVERRIDE, 2170 info->use_cnp_up_override) | 2171 FIELD_PREP(IRDMA_CQPSQ_UP_OP, IRDMA_CQP_OP_UP_MAP); 2172 dma_wmb(); /* make sure WQE is written before valid bit is set */ 2173 2174 set_64bit_val(wqe, 24, temp); 2175 2176 print_hex_dump_debug("WQE: UPMAP WQE", DUMP_PREFIX_OFFSET, 16, 8, wqe, 2177 IRDMA_CQP_WQE_SIZE * 8, false); 2178 irdma_sc_cqp_post_sq(cqp); 2179 2180 return 0; 2181 } 2182 2183 /** 2184 * irdma_sc_manage_ws_node - create/modify/destroy WS node 2185 * @cqp: struct for cqp hw 2186 * @info: node info structure 2187 * @node_op: 0 for add 1 for modify, 2 for delete 2188 * @scratch: u64 saved to be used during cqp completion 2189 */ 2190 static enum irdma_status_code 2191 irdma_sc_manage_ws_node(struct irdma_sc_cqp *cqp, 2192 struct irdma_ws_node_info *info, 2193 enum irdma_ws_node_op node_op, u64 scratch) 2194 { 2195 __le64 *wqe; 2196 u64 temp = 0; 2197 2198 wqe = irdma_sc_cqp_get_next_send_wqe(cqp, scratch); 2199 if (!wqe) 2200 return IRDMA_ERR_RING_FULL; 2201 2202 set_64bit_val(wqe, 32, 2203 FIELD_PREP(IRDMA_CQPSQ_WS_VSI, info->vsi) | 2204 FIELD_PREP(IRDMA_CQPSQ_WS_WEIGHT, info->weight)); 2205 2206 temp = FIELD_PREP(IRDMA_CQPSQ_WS_WQEVALID, cqp->polarity) | 2207 FIELD_PREP(IRDMA_CQPSQ_WS_NODEOP, node_op) | 2208 FIELD_PREP(IRDMA_CQPSQ_WS_ENABLENODE, info->enable) | 2209 FIELD_PREP(IRDMA_CQPSQ_WS_NODETYPE, info->type_leaf) | 2210 FIELD_PREP(IRDMA_CQPSQ_WS_PRIOTYPE, info->prio_type) | 2211 FIELD_PREP(IRDMA_CQPSQ_WS_TC, info->tc) | 2212 FIELD_PREP(IRDMA_CQPSQ_WS_OP, IRDMA_CQP_OP_WORK_SCHED_NODE) | 2213 FIELD_PREP(IRDMA_CQPSQ_WS_PARENTID, info->parent_id) | 2214 FIELD_PREP(IRDMA_CQPSQ_WS_NODEID, info->id); 2215 dma_wmb(); /* make sure WQE is written before valid bit is set */ 2216 2217 set_64bit_val(wqe, 24, temp); 2218 2219 print_hex_dump_debug("WQE: MANAGE_WS WQE", DUMP_PREFIX_OFFSET, 16, 8, 2220 wqe, IRDMA_CQP_WQE_SIZE * 8, false); 2221 irdma_sc_cqp_post_sq(cqp); 2222 2223 return 0; 2224 } 2225 2226 /** 2227 * irdma_sc_qp_flush_wqes - flush qp's wqe 2228 * @qp: sc qp 2229 * @info: dlush information 2230 * @scratch: u64 saved to be used during cqp completion 2231 * @post_sq: flag for cqp db to ring 2232 */ 2233 enum irdma_status_code irdma_sc_qp_flush_wqes(struct irdma_sc_qp *qp, 2234 struct irdma_qp_flush_info *info, 2235 u64 scratch, bool post_sq) 2236 { 2237 u64 temp = 0; 2238 __le64 *wqe; 2239 struct irdma_sc_cqp *cqp; 2240 u64 hdr; 2241 bool flush_sq = false, flush_rq = false; 2242 2243 if (info->rq && !qp->flush_rq) 2244 flush_rq = true; 2245 if (info->sq && !qp->flush_sq) 2246 flush_sq = true; 2247 qp->flush_sq |= flush_sq; 2248 qp->flush_rq |= flush_rq; 2249 2250 if (!flush_sq && !flush_rq) { 2251 ibdev_dbg(to_ibdev(qp->dev), 2252 "CQP: Additional flush request ignored for qp %x\n", 2253 qp->qp_uk.qp_id); 2254 return IRDMA_ERR_FLUSHED_Q; 2255 } 2256 2257 cqp = qp->pd->dev->cqp; 2258 wqe = irdma_sc_cqp_get_next_send_wqe(cqp, scratch); 2259 if (!wqe) 2260 return IRDMA_ERR_RING_FULL; 2261 2262 if (info->userflushcode) { 2263 if (flush_rq) 2264 temp |= FIELD_PREP(IRDMA_CQPSQ_FWQE_RQMNERR, 2265 info->rq_minor_code) | 2266 FIELD_PREP(IRDMA_CQPSQ_FWQE_RQMJERR, 2267 info->rq_major_code); 2268 if (flush_sq) 2269 temp |= FIELD_PREP(IRDMA_CQPSQ_FWQE_SQMNERR, 2270 info->sq_minor_code) | 2271 FIELD_PREP(IRDMA_CQPSQ_FWQE_SQMJERR, 2272 info->sq_major_code); 2273 } 2274 set_64bit_val(wqe, 16, temp); 2275 2276 temp = (info->generate_ae) ? 2277 info->ae_code | FIELD_PREP(IRDMA_CQPSQ_FWQE_AESOURCE, 2278 info->ae_src) : 0; 2279 set_64bit_val(wqe, 8, temp); 2280 2281 hdr = qp->qp_uk.qp_id | 2282 FIELD_PREP(IRDMA_CQPSQ_OPCODE, IRDMA_CQP_OP_FLUSH_WQES) | 2283 FIELD_PREP(IRDMA_CQPSQ_FWQE_GENERATE_AE, info->generate_ae) | 2284 FIELD_PREP(IRDMA_CQPSQ_FWQE_USERFLCODE, info->userflushcode) | 2285 FIELD_PREP(IRDMA_CQPSQ_FWQE_FLUSHSQ, flush_sq) | 2286 FIELD_PREP(IRDMA_CQPSQ_FWQE_FLUSHRQ, flush_rq) | 2287 FIELD_PREP(IRDMA_CQPSQ_WQEVALID, cqp->polarity); 2288 dma_wmb(); /* make sure WQE is written before valid bit is set */ 2289 2290 set_64bit_val(wqe, 24, hdr); 2291 2292 print_hex_dump_debug("WQE: QP_FLUSH WQE", DUMP_PREFIX_OFFSET, 16, 8, 2293 wqe, IRDMA_CQP_WQE_SIZE * 8, false); 2294 if (post_sq) 2295 irdma_sc_cqp_post_sq(cqp); 2296 2297 return 0; 2298 } 2299 2300 /** 2301 * irdma_sc_gen_ae - generate AE, uses flush WQE CQP OP 2302 * @qp: sc qp 2303 * @info: gen ae information 2304 * @scratch: u64 saved to be used during cqp completion 2305 * @post_sq: flag for cqp db to ring 2306 */ 2307 static enum irdma_status_code irdma_sc_gen_ae(struct irdma_sc_qp *qp, 2308 struct irdma_gen_ae_info *info, 2309 u64 scratch, bool post_sq) 2310 { 2311 u64 temp; 2312 __le64 *wqe; 2313 struct irdma_sc_cqp *cqp; 2314 u64 hdr; 2315 2316 cqp = qp->pd->dev->cqp; 2317 wqe = irdma_sc_cqp_get_next_send_wqe(cqp, scratch); 2318 if (!wqe) 2319 return IRDMA_ERR_RING_FULL; 2320 2321 temp = info->ae_code | FIELD_PREP(IRDMA_CQPSQ_FWQE_AESOURCE, 2322 info->ae_src); 2323 set_64bit_val(wqe, 8, temp); 2324 2325 hdr = qp->qp_uk.qp_id | FIELD_PREP(IRDMA_CQPSQ_OPCODE, 2326 IRDMA_CQP_OP_GEN_AE) | 2327 FIELD_PREP(IRDMA_CQPSQ_FWQE_GENERATE_AE, 1) | 2328 FIELD_PREP(IRDMA_CQPSQ_WQEVALID, cqp->polarity); 2329 dma_wmb(); /* make sure WQE is written before valid bit is set */ 2330 2331 set_64bit_val(wqe, 24, hdr); 2332 2333 print_hex_dump_debug("WQE: GEN_AE WQE", DUMP_PREFIX_OFFSET, 16, 8, 2334 wqe, IRDMA_CQP_WQE_SIZE * 8, false); 2335 if (post_sq) 2336 irdma_sc_cqp_post_sq(cqp); 2337 2338 return 0; 2339 } 2340 2341 /*** irdma_sc_qp_upload_context - upload qp's context 2342 * @dev: sc device struct 2343 * @info: upload context info ptr for return 2344 * @scratch: u64 saved to be used during cqp completion 2345 * @post_sq: flag for cqp db to ring 2346 */ 2347 static enum irdma_status_code 2348 irdma_sc_qp_upload_context(struct irdma_sc_dev *dev, 2349 struct irdma_upload_context_info *info, u64 scratch, 2350 bool post_sq) 2351 { 2352 __le64 *wqe; 2353 struct irdma_sc_cqp *cqp; 2354 u64 hdr; 2355 2356 cqp = dev->cqp; 2357 wqe = irdma_sc_cqp_get_next_send_wqe(cqp, scratch); 2358 if (!wqe) 2359 return IRDMA_ERR_RING_FULL; 2360 2361 set_64bit_val(wqe, 16, info->buf_pa); 2362 2363 hdr = FIELD_PREP(IRDMA_CQPSQ_UCTX_QPID, info->qp_id) | 2364 FIELD_PREP(IRDMA_CQPSQ_OPCODE, IRDMA_CQP_OP_UPLOAD_CONTEXT) | 2365 FIELD_PREP(IRDMA_CQPSQ_UCTX_QPTYPE, info->qp_type) | 2366 FIELD_PREP(IRDMA_CQPSQ_UCTX_RAWFORMAT, info->raw_format) | 2367 FIELD_PREP(IRDMA_CQPSQ_UCTX_FREEZEQP, info->freeze_qp) | 2368 FIELD_PREP(IRDMA_CQPSQ_WQEVALID, cqp->polarity); 2369 dma_wmb(); /* make sure WQE is written before valid bit is set */ 2370 2371 set_64bit_val(wqe, 24, hdr); 2372 2373 print_hex_dump_debug("WQE: QP_UPLOAD_CTX WQE", DUMP_PREFIX_OFFSET, 16, 2374 8, wqe, IRDMA_CQP_WQE_SIZE * 8, false); 2375 if (post_sq) 2376 irdma_sc_cqp_post_sq(cqp); 2377 2378 return 0; 2379 } 2380 2381 /** 2382 * irdma_sc_manage_push_page - Handle push page 2383 * @cqp: struct for cqp hw 2384 * @info: push page info 2385 * @scratch: u64 saved to be used during cqp completion 2386 * @post_sq: flag for cqp db to ring 2387 */ 2388 static enum irdma_status_code 2389 irdma_sc_manage_push_page(struct irdma_sc_cqp *cqp, 2390 struct irdma_cqp_manage_push_page_info *info, 2391 u64 scratch, bool post_sq) 2392 { 2393 __le64 *wqe; 2394 u64 hdr; 2395 2396 if (info->free_page && 2397 info->push_idx >= cqp->dev->hw_attrs.max_hw_device_pages) 2398 return IRDMA_ERR_INVALID_PUSH_PAGE_INDEX; 2399 2400 wqe = irdma_sc_cqp_get_next_send_wqe(cqp, scratch); 2401 if (!wqe) 2402 return IRDMA_ERR_RING_FULL; 2403 2404 set_64bit_val(wqe, 16, info->qs_handle); 2405 hdr = FIELD_PREP(IRDMA_CQPSQ_MPP_PPIDX, info->push_idx) | 2406 FIELD_PREP(IRDMA_CQPSQ_MPP_PPTYPE, info->push_page_type) | 2407 FIELD_PREP(IRDMA_CQPSQ_OPCODE, IRDMA_CQP_OP_MANAGE_PUSH_PAGES) | 2408 FIELD_PREP(IRDMA_CQPSQ_WQEVALID, cqp->polarity) | 2409 FIELD_PREP(IRDMA_CQPSQ_MPP_FREE_PAGE, info->free_page); 2410 dma_wmb(); /* make sure WQE is written before valid bit is set */ 2411 2412 set_64bit_val(wqe, 24, hdr); 2413 2414 print_hex_dump_debug("WQE: MANAGE_PUSH_PAGES WQE", DUMP_PREFIX_OFFSET, 2415 16, 8, wqe, IRDMA_CQP_WQE_SIZE * 8, false); 2416 if (post_sq) 2417 irdma_sc_cqp_post_sq(cqp); 2418 2419 return 0; 2420 } 2421 2422 /** 2423 * irdma_sc_suspend_qp - suspend qp for param change 2424 * @cqp: struct for cqp hw 2425 * @qp: sc qp struct 2426 * @scratch: u64 saved to be used during cqp completion 2427 */ 2428 static enum irdma_status_code irdma_sc_suspend_qp(struct irdma_sc_cqp *cqp, 2429 struct irdma_sc_qp *qp, 2430 u64 scratch) 2431 { 2432 u64 hdr; 2433 __le64 *wqe; 2434 2435 wqe = irdma_sc_cqp_get_next_send_wqe(cqp, scratch); 2436 if (!wqe) 2437 return IRDMA_ERR_RING_FULL; 2438 2439 hdr = FIELD_PREP(IRDMA_CQPSQ_SUSPENDQP_QPID, qp->qp_uk.qp_id) | 2440 FIELD_PREP(IRDMA_CQPSQ_OPCODE, IRDMA_CQP_OP_SUSPEND_QP) | 2441 FIELD_PREP(IRDMA_CQPSQ_WQEVALID, cqp->polarity); 2442 dma_wmb(); /* make sure WQE is written before valid bit is set */ 2443 2444 set_64bit_val(wqe, 24, hdr); 2445 2446 print_hex_dump_debug("WQE: SUSPEND_QP WQE", DUMP_PREFIX_OFFSET, 16, 8, 2447 wqe, IRDMA_CQP_WQE_SIZE * 8, false); 2448 irdma_sc_cqp_post_sq(cqp); 2449 2450 return 0; 2451 } 2452 2453 /** 2454 * irdma_sc_resume_qp - resume qp after suspend 2455 * @cqp: struct for cqp hw 2456 * @qp: sc qp struct 2457 * @scratch: u64 saved to be used during cqp completion 2458 */ 2459 static enum irdma_status_code irdma_sc_resume_qp(struct irdma_sc_cqp *cqp, 2460 struct irdma_sc_qp *qp, 2461 u64 scratch) 2462 { 2463 u64 hdr; 2464 __le64 *wqe; 2465 2466 wqe = irdma_sc_cqp_get_next_send_wqe(cqp, scratch); 2467 if (!wqe) 2468 return IRDMA_ERR_RING_FULL; 2469 2470 set_64bit_val(wqe, 16, 2471 FIELD_PREP(IRDMA_CQPSQ_RESUMEQP_QSHANDLE, qp->qs_handle)); 2472 2473 hdr = FIELD_PREP(IRDMA_CQPSQ_RESUMEQP_QPID, qp->qp_uk.qp_id) | 2474 FIELD_PREP(IRDMA_CQPSQ_OPCODE, IRDMA_CQP_OP_RESUME_QP) | 2475 FIELD_PREP(IRDMA_CQPSQ_WQEVALID, cqp->polarity); 2476 dma_wmb(); /* make sure WQE is written before valid bit is set */ 2477 2478 set_64bit_val(wqe, 24, hdr); 2479 2480 print_hex_dump_debug("WQE: RESUME_QP WQE", DUMP_PREFIX_OFFSET, 16, 8, 2481 wqe, IRDMA_CQP_WQE_SIZE * 8, false); 2482 irdma_sc_cqp_post_sq(cqp); 2483 2484 return 0; 2485 } 2486 2487 /** 2488 * irdma_sc_cq_ack - acknowledge completion q 2489 * @cq: cq struct 2490 */ 2491 static inline void irdma_sc_cq_ack(struct irdma_sc_cq *cq) 2492 { 2493 writel(cq->cq_uk.cq_id, cq->cq_uk.cq_ack_db); 2494 } 2495 2496 /** 2497 * irdma_sc_cq_init - initialize completion q 2498 * @cq: cq struct 2499 * @info: cq initialization info 2500 */ 2501 enum irdma_status_code irdma_sc_cq_init(struct irdma_sc_cq *cq, 2502 struct irdma_cq_init_info *info) 2503 { 2504 enum irdma_status_code ret_code; 2505 u32 pble_obj_cnt; 2506 2507 pble_obj_cnt = info->dev->hmc_info->hmc_obj[IRDMA_HMC_IW_PBLE].cnt; 2508 if (info->virtual_map && info->first_pm_pbl_idx >= pble_obj_cnt) 2509 return IRDMA_ERR_INVALID_PBLE_INDEX; 2510 2511 cq->cq_pa = info->cq_base_pa; 2512 cq->dev = info->dev; 2513 cq->ceq_id = info->ceq_id; 2514 info->cq_uk_init_info.cqe_alloc_db = cq->dev->cq_arm_db; 2515 info->cq_uk_init_info.cq_ack_db = cq->dev->cq_ack_db; 2516 ret_code = irdma_uk_cq_init(&cq->cq_uk, &info->cq_uk_init_info); 2517 if (ret_code) 2518 return ret_code; 2519 2520 cq->virtual_map = info->virtual_map; 2521 cq->pbl_chunk_size = info->pbl_chunk_size; 2522 cq->ceqe_mask = info->ceqe_mask; 2523 cq->cq_type = (info->type) ? info->type : IRDMA_CQ_TYPE_IWARP; 2524 cq->shadow_area_pa = info->shadow_area_pa; 2525 cq->shadow_read_threshold = info->shadow_read_threshold; 2526 cq->ceq_id_valid = info->ceq_id_valid; 2527 cq->tph_en = info->tph_en; 2528 cq->tph_val = info->tph_val; 2529 cq->first_pm_pbl_idx = info->first_pm_pbl_idx; 2530 cq->vsi = info->vsi; 2531 2532 return 0; 2533 } 2534 2535 /** 2536 * irdma_sc_cq_create - create completion q 2537 * @cq: cq struct 2538 * @scratch: u64 saved to be used during cqp completion 2539 * @check_overflow: flag for overflow check 2540 * @post_sq: flag for cqp db to ring 2541 */ 2542 static enum irdma_status_code irdma_sc_cq_create(struct irdma_sc_cq *cq, 2543 u64 scratch, 2544 bool check_overflow, 2545 bool post_sq) 2546 { 2547 __le64 *wqe; 2548 struct irdma_sc_cqp *cqp; 2549 u64 hdr; 2550 struct irdma_sc_ceq *ceq; 2551 enum irdma_status_code ret_code = 0; 2552 2553 cqp = cq->dev->cqp; 2554 if (cq->cq_uk.cq_id > (cqp->dev->hmc_info->hmc_obj[IRDMA_HMC_IW_CQ].max_cnt - 1)) 2555 return IRDMA_ERR_INVALID_CQ_ID; 2556 2557 if (cq->ceq_id > (cq->dev->hmc_fpm_misc.max_ceqs - 1)) 2558 return IRDMA_ERR_INVALID_CEQ_ID; 2559 2560 ceq = cq->dev->ceq[cq->ceq_id]; 2561 if (ceq && ceq->reg_cq) 2562 ret_code = irdma_sc_add_cq_ctx(ceq, cq); 2563 2564 if (ret_code) 2565 return ret_code; 2566 2567 wqe = irdma_sc_cqp_get_next_send_wqe(cqp, scratch); 2568 if (!wqe) { 2569 if (ceq && ceq->reg_cq) 2570 irdma_sc_remove_cq_ctx(ceq, cq); 2571 return IRDMA_ERR_RING_FULL; 2572 } 2573 2574 set_64bit_val(wqe, 0, cq->cq_uk.cq_size); 2575 set_64bit_val(wqe, 8, (uintptr_t)cq >> 1); 2576 set_64bit_val(wqe, 16, 2577 FIELD_PREP(IRDMA_CQPSQ_CQ_SHADOW_READ_THRESHOLD, cq->shadow_read_threshold)); 2578 set_64bit_val(wqe, 32, (cq->virtual_map ? 0 : cq->cq_pa)); 2579 set_64bit_val(wqe, 40, cq->shadow_area_pa); 2580 set_64bit_val(wqe, 48, 2581 FIELD_PREP(IRDMA_CQPSQ_CQ_FIRSTPMPBLIDX, (cq->virtual_map ? cq->first_pm_pbl_idx : 0))); 2582 set_64bit_val(wqe, 56, 2583 FIELD_PREP(IRDMA_CQPSQ_TPHVAL, cq->tph_val) | 2584 FIELD_PREP(IRDMA_CQPSQ_VSIIDX, cq->vsi->vsi_idx)); 2585 2586 hdr = FLD_LS_64(cq->dev, cq->cq_uk.cq_id, IRDMA_CQPSQ_CQ_CQID) | 2587 FLD_LS_64(cq->dev, (cq->ceq_id_valid ? cq->ceq_id : 0), 2588 IRDMA_CQPSQ_CQ_CEQID) | 2589 FIELD_PREP(IRDMA_CQPSQ_OPCODE, IRDMA_CQP_OP_CREATE_CQ) | 2590 FIELD_PREP(IRDMA_CQPSQ_CQ_LPBLSIZE, cq->pbl_chunk_size) | 2591 FIELD_PREP(IRDMA_CQPSQ_CQ_CHKOVERFLOW, check_overflow) | 2592 FIELD_PREP(IRDMA_CQPSQ_CQ_VIRTMAP, cq->virtual_map) | 2593 FIELD_PREP(IRDMA_CQPSQ_CQ_ENCEQEMASK, cq->ceqe_mask) | 2594 FIELD_PREP(IRDMA_CQPSQ_CQ_CEQIDVALID, cq->ceq_id_valid) | 2595 FIELD_PREP(IRDMA_CQPSQ_TPHEN, cq->tph_en) | 2596 FIELD_PREP(IRDMA_CQPSQ_CQ_AVOIDMEMCNFLCT, 2597 cq->cq_uk.avoid_mem_cflct) | 2598 FIELD_PREP(IRDMA_CQPSQ_WQEVALID, cqp->polarity); 2599 dma_wmb(); /* make sure WQE is written before valid bit is set */ 2600 2601 set_64bit_val(wqe, 24, hdr); 2602 2603 print_hex_dump_debug("WQE: CQ_CREATE WQE", DUMP_PREFIX_OFFSET, 16, 8, 2604 wqe, IRDMA_CQP_WQE_SIZE * 8, false); 2605 if (post_sq) 2606 irdma_sc_cqp_post_sq(cqp); 2607 2608 return 0; 2609 } 2610 2611 /** 2612 * irdma_sc_cq_destroy - destroy completion q 2613 * @cq: cq struct 2614 * @scratch: u64 saved to be used during cqp completion 2615 * @post_sq: flag for cqp db to ring 2616 */ 2617 enum irdma_status_code irdma_sc_cq_destroy(struct irdma_sc_cq *cq, u64 scratch, 2618 bool post_sq) 2619 { 2620 struct irdma_sc_cqp *cqp; 2621 __le64 *wqe; 2622 u64 hdr; 2623 struct irdma_sc_ceq *ceq; 2624 2625 cqp = cq->dev->cqp; 2626 wqe = irdma_sc_cqp_get_next_send_wqe(cqp, scratch); 2627 if (!wqe) 2628 return IRDMA_ERR_RING_FULL; 2629 2630 ceq = cq->dev->ceq[cq->ceq_id]; 2631 if (ceq && ceq->reg_cq) 2632 irdma_sc_remove_cq_ctx(ceq, cq); 2633 2634 set_64bit_val(wqe, 0, cq->cq_uk.cq_size); 2635 set_64bit_val(wqe, 8, (uintptr_t)cq >> 1); 2636 set_64bit_val(wqe, 40, cq->shadow_area_pa); 2637 set_64bit_val(wqe, 48, 2638 (cq->virtual_map ? cq->first_pm_pbl_idx : 0)); 2639 2640 hdr = cq->cq_uk.cq_id | 2641 FLD_LS_64(cq->dev, (cq->ceq_id_valid ? cq->ceq_id : 0), 2642 IRDMA_CQPSQ_CQ_CEQID) | 2643 FIELD_PREP(IRDMA_CQPSQ_OPCODE, IRDMA_CQP_OP_DESTROY_CQ) | 2644 FIELD_PREP(IRDMA_CQPSQ_CQ_LPBLSIZE, cq->pbl_chunk_size) | 2645 FIELD_PREP(IRDMA_CQPSQ_CQ_VIRTMAP, cq->virtual_map) | 2646 FIELD_PREP(IRDMA_CQPSQ_CQ_ENCEQEMASK, cq->ceqe_mask) | 2647 FIELD_PREP(IRDMA_CQPSQ_CQ_CEQIDVALID, cq->ceq_id_valid) | 2648 FIELD_PREP(IRDMA_CQPSQ_TPHEN, cq->tph_en) | 2649 FIELD_PREP(IRDMA_CQPSQ_CQ_AVOIDMEMCNFLCT, cq->cq_uk.avoid_mem_cflct) | 2650 FIELD_PREP(IRDMA_CQPSQ_WQEVALID, cqp->polarity); 2651 dma_wmb(); /* make sure WQE is written before valid bit is set */ 2652 2653 set_64bit_val(wqe, 24, hdr); 2654 2655 print_hex_dump_debug("WQE: CQ_DESTROY WQE", DUMP_PREFIX_OFFSET, 16, 8, 2656 wqe, IRDMA_CQP_WQE_SIZE * 8, false); 2657 if (post_sq) 2658 irdma_sc_cqp_post_sq(cqp); 2659 2660 return 0; 2661 } 2662 2663 /** 2664 * irdma_sc_cq_resize - set resized cq buffer info 2665 * @cq: resized cq 2666 * @info: resized cq buffer info 2667 */ 2668 void irdma_sc_cq_resize(struct irdma_sc_cq *cq, struct irdma_modify_cq_info *info) 2669 { 2670 cq->virtual_map = info->virtual_map; 2671 cq->cq_pa = info->cq_pa; 2672 cq->first_pm_pbl_idx = info->first_pm_pbl_idx; 2673 cq->pbl_chunk_size = info->pbl_chunk_size; 2674 irdma_uk_cq_resize(&cq->cq_uk, info->cq_base, info->cq_size); 2675 } 2676 2677 /** 2678 * irdma_sc_cq_modify - modify a Completion Queue 2679 * @cq: cq struct 2680 * @info: modification info struct 2681 * @scratch: u64 saved to be used during cqp completion 2682 * @post_sq: flag to post to sq 2683 */ 2684 static enum irdma_status_code 2685 irdma_sc_cq_modify(struct irdma_sc_cq *cq, struct irdma_modify_cq_info *info, 2686 u64 scratch, bool post_sq) 2687 { 2688 struct irdma_sc_cqp *cqp; 2689 __le64 *wqe; 2690 u64 hdr; 2691 u32 pble_obj_cnt; 2692 2693 pble_obj_cnt = cq->dev->hmc_info->hmc_obj[IRDMA_HMC_IW_PBLE].cnt; 2694 if (info->cq_resize && info->virtual_map && 2695 info->first_pm_pbl_idx >= pble_obj_cnt) 2696 return IRDMA_ERR_INVALID_PBLE_INDEX; 2697 2698 cqp = cq->dev->cqp; 2699 wqe = irdma_sc_cqp_get_next_send_wqe(cqp, scratch); 2700 if (!wqe) 2701 return IRDMA_ERR_RING_FULL; 2702 2703 set_64bit_val(wqe, 0, info->cq_size); 2704 set_64bit_val(wqe, 8, (uintptr_t)cq >> 1); 2705 set_64bit_val(wqe, 16, 2706 FIELD_PREP(IRDMA_CQPSQ_CQ_SHADOW_READ_THRESHOLD, info->shadow_read_threshold)); 2707 set_64bit_val(wqe, 32, info->cq_pa); 2708 set_64bit_val(wqe, 40, cq->shadow_area_pa); 2709 set_64bit_val(wqe, 48, info->first_pm_pbl_idx); 2710 set_64bit_val(wqe, 56, 2711 FIELD_PREP(IRDMA_CQPSQ_TPHVAL, cq->tph_val) | 2712 FIELD_PREP(IRDMA_CQPSQ_VSIIDX, cq->vsi->vsi_idx)); 2713 2714 hdr = cq->cq_uk.cq_id | 2715 FIELD_PREP(IRDMA_CQPSQ_OPCODE, IRDMA_CQP_OP_MODIFY_CQ) | 2716 FIELD_PREP(IRDMA_CQPSQ_CQ_CQRESIZE, info->cq_resize) | 2717 FIELD_PREP(IRDMA_CQPSQ_CQ_LPBLSIZE, info->pbl_chunk_size) | 2718 FIELD_PREP(IRDMA_CQPSQ_CQ_CHKOVERFLOW, info->check_overflow) | 2719 FIELD_PREP(IRDMA_CQPSQ_CQ_VIRTMAP, info->virtual_map) | 2720 FIELD_PREP(IRDMA_CQPSQ_CQ_ENCEQEMASK, cq->ceqe_mask) | 2721 FIELD_PREP(IRDMA_CQPSQ_TPHEN, cq->tph_en) | 2722 FIELD_PREP(IRDMA_CQPSQ_CQ_AVOIDMEMCNFLCT, 2723 cq->cq_uk.avoid_mem_cflct) | 2724 FIELD_PREP(IRDMA_CQPSQ_WQEVALID, cqp->polarity); 2725 dma_wmb(); /* make sure WQE is written before valid bit is set */ 2726 2727 set_64bit_val(wqe, 24, hdr); 2728 2729 print_hex_dump_debug("WQE: CQ_MODIFY WQE", DUMP_PREFIX_OFFSET, 16, 8, 2730 wqe, IRDMA_CQP_WQE_SIZE * 8, false); 2731 if (post_sq) 2732 irdma_sc_cqp_post_sq(cqp); 2733 2734 return 0; 2735 } 2736 2737 /** 2738 * irdma_check_cqp_progress - check cqp processing progress 2739 * @timeout: timeout info struct 2740 * @dev: sc device struct 2741 */ 2742 void irdma_check_cqp_progress(struct irdma_cqp_timeout *timeout, struct irdma_sc_dev *dev) 2743 { 2744 if (timeout->compl_cqp_cmds != dev->cqp_cmd_stats[IRDMA_OP_CMPL_CMDS]) { 2745 timeout->compl_cqp_cmds = dev->cqp_cmd_stats[IRDMA_OP_CMPL_CMDS]; 2746 timeout->count = 0; 2747 } else { 2748 if (dev->cqp_cmd_stats[IRDMA_OP_REQ_CMDS] != 2749 timeout->compl_cqp_cmds) 2750 timeout->count++; 2751 } 2752 } 2753 2754 /** 2755 * irdma_get_cqp_reg_info - get head and tail for cqp using registers 2756 * @cqp: struct for cqp hw 2757 * @val: cqp tail register value 2758 * @tail: wqtail register value 2759 * @error: cqp processing err 2760 */ 2761 static inline void irdma_get_cqp_reg_info(struct irdma_sc_cqp *cqp, u32 *val, 2762 u32 *tail, u32 *error) 2763 { 2764 *val = readl(cqp->dev->hw_regs[IRDMA_CQPTAIL]); 2765 *tail = FIELD_GET(IRDMA_CQPTAIL_WQTAIL, *val); 2766 *error = FIELD_GET(IRDMA_CQPTAIL_CQP_OP_ERR, *val); 2767 } 2768 2769 /** 2770 * irdma_cqp_poll_registers - poll cqp registers 2771 * @cqp: struct for cqp hw 2772 * @tail: wqtail register value 2773 * @count: how many times to try for completion 2774 */ 2775 static enum irdma_status_code irdma_cqp_poll_registers(struct irdma_sc_cqp *cqp, 2776 u32 tail, u32 count) 2777 { 2778 u32 i = 0; 2779 u32 newtail, error, val; 2780 2781 while (i++ < count) { 2782 irdma_get_cqp_reg_info(cqp, &val, &newtail, &error); 2783 if (error) { 2784 error = readl(cqp->dev->hw_regs[IRDMA_CQPERRCODES]); 2785 ibdev_dbg(to_ibdev(cqp->dev), 2786 "CQP: CQPERRCODES error_code[x%08X]\n", 2787 error); 2788 return IRDMA_ERR_CQP_COMPL_ERROR; 2789 } 2790 if (newtail != tail) { 2791 /* SUCCESS */ 2792 IRDMA_RING_MOVE_TAIL(cqp->sq_ring); 2793 cqp->dev->cqp_cmd_stats[IRDMA_OP_CMPL_CMDS]++; 2794 return 0; 2795 } 2796 udelay(cqp->dev->hw_attrs.max_sleep_count); 2797 } 2798 2799 return IRDMA_ERR_TIMEOUT; 2800 } 2801 2802 /** 2803 * irdma_sc_decode_fpm_commit - decode a 64 bit value into count and base 2804 * @dev: sc device struct 2805 * @buf: pointer to commit buffer 2806 * @buf_idx: buffer index 2807 * @obj_info: object info pointer 2808 * @rsrc_idx: indexs of memory resource 2809 */ 2810 static u64 irdma_sc_decode_fpm_commit(struct irdma_sc_dev *dev, __le64 *buf, 2811 u32 buf_idx, struct irdma_hmc_obj_info *obj_info, 2812 u32 rsrc_idx) 2813 { 2814 u64 temp; 2815 2816 get_64bit_val(buf, buf_idx, &temp); 2817 2818 switch (rsrc_idx) { 2819 case IRDMA_HMC_IW_QP: 2820 obj_info[rsrc_idx].cnt = (u32)FIELD_GET(IRDMA_COMMIT_FPM_QPCNT, temp); 2821 break; 2822 case IRDMA_HMC_IW_CQ: 2823 obj_info[rsrc_idx].cnt = (u32)FLD_RS_64(dev, temp, IRDMA_COMMIT_FPM_CQCNT); 2824 break; 2825 case IRDMA_HMC_IW_APBVT_ENTRY: 2826 obj_info[rsrc_idx].cnt = 1; 2827 break; 2828 default: 2829 obj_info[rsrc_idx].cnt = (u32)temp; 2830 break; 2831 } 2832 2833 obj_info[rsrc_idx].base = (temp >> IRDMA_COMMIT_FPM_BASE_S) * 512; 2834 2835 return temp; 2836 } 2837 2838 /** 2839 * irdma_sc_parse_fpm_commit_buf - parse fpm commit buffer 2840 * @dev: pointer to dev struct 2841 * @buf: ptr to fpm commit buffer 2842 * @info: ptr to irdma_hmc_obj_info struct 2843 * @sd: number of SDs for HMC objects 2844 * 2845 * parses fpm commit info and copy base value 2846 * of hmc objects in hmc_info 2847 */ 2848 static void 2849 irdma_sc_parse_fpm_commit_buf(struct irdma_sc_dev *dev, __le64 *buf, 2850 struct irdma_hmc_obj_info *info, u32 *sd) 2851 { 2852 u64 size; 2853 u32 i; 2854 u64 max_base = 0; 2855 u32 last_hmc_obj = 0; 2856 2857 irdma_sc_decode_fpm_commit(dev, buf, 0, info, 2858 IRDMA_HMC_IW_QP); 2859 irdma_sc_decode_fpm_commit(dev, buf, 8, info, 2860 IRDMA_HMC_IW_CQ); 2861 /* skiping RSRVD */ 2862 irdma_sc_decode_fpm_commit(dev, buf, 24, info, 2863 IRDMA_HMC_IW_HTE); 2864 irdma_sc_decode_fpm_commit(dev, buf, 32, info, 2865 IRDMA_HMC_IW_ARP); 2866 irdma_sc_decode_fpm_commit(dev, buf, 40, info, 2867 IRDMA_HMC_IW_APBVT_ENTRY); 2868 irdma_sc_decode_fpm_commit(dev, buf, 48, info, 2869 IRDMA_HMC_IW_MR); 2870 irdma_sc_decode_fpm_commit(dev, buf, 56, info, 2871 IRDMA_HMC_IW_XF); 2872 irdma_sc_decode_fpm_commit(dev, buf, 64, info, 2873 IRDMA_HMC_IW_XFFL); 2874 irdma_sc_decode_fpm_commit(dev, buf, 72, info, 2875 IRDMA_HMC_IW_Q1); 2876 irdma_sc_decode_fpm_commit(dev, buf, 80, info, 2877 IRDMA_HMC_IW_Q1FL); 2878 irdma_sc_decode_fpm_commit(dev, buf, 88, info, 2879 IRDMA_HMC_IW_TIMER); 2880 irdma_sc_decode_fpm_commit(dev, buf, 112, info, 2881 IRDMA_HMC_IW_PBLE); 2882 /* skipping RSVD. */ 2883 if (dev->hw_attrs.uk_attrs.hw_rev != IRDMA_GEN_1) { 2884 irdma_sc_decode_fpm_commit(dev, buf, 96, info, 2885 IRDMA_HMC_IW_FSIMC); 2886 irdma_sc_decode_fpm_commit(dev, buf, 104, info, 2887 IRDMA_HMC_IW_FSIAV); 2888 irdma_sc_decode_fpm_commit(dev, buf, 128, info, 2889 IRDMA_HMC_IW_RRF); 2890 irdma_sc_decode_fpm_commit(dev, buf, 136, info, 2891 IRDMA_HMC_IW_RRFFL); 2892 irdma_sc_decode_fpm_commit(dev, buf, 144, info, 2893 IRDMA_HMC_IW_HDR); 2894 irdma_sc_decode_fpm_commit(dev, buf, 152, info, 2895 IRDMA_HMC_IW_MD); 2896 irdma_sc_decode_fpm_commit(dev, buf, 160, info, 2897 IRDMA_HMC_IW_OOISC); 2898 irdma_sc_decode_fpm_commit(dev, buf, 168, info, 2899 IRDMA_HMC_IW_OOISCFFL); 2900 } 2901 2902 /* searching for the last object in HMC to find the size of the HMC area. */ 2903 for (i = IRDMA_HMC_IW_QP; i < IRDMA_HMC_IW_MAX; i++) { 2904 if (info[i].base > max_base) { 2905 max_base = info[i].base; 2906 last_hmc_obj = i; 2907 } 2908 } 2909 2910 size = info[last_hmc_obj].cnt * info[last_hmc_obj].size + 2911 info[last_hmc_obj].base; 2912 2913 if (size & 0x1FFFFF) 2914 *sd = (u32)((size >> 21) + 1); /* add 1 for remainder */ 2915 else 2916 *sd = (u32)(size >> 21); 2917 2918 } 2919 2920 /** 2921 * irdma_sc_decode_fpm_query() - Decode a 64 bit value into max count and size 2922 * @buf: ptr to fpm query buffer 2923 * @buf_idx: index into buf 2924 * @obj_info: ptr to irdma_hmc_obj_info struct 2925 * @rsrc_idx: resource index into info 2926 * 2927 * Decode a 64 bit value from fpm query buffer into max count and size 2928 */ 2929 static u64 irdma_sc_decode_fpm_query(__le64 *buf, u32 buf_idx, 2930 struct irdma_hmc_obj_info *obj_info, 2931 u32 rsrc_idx) 2932 { 2933 u64 temp; 2934 u32 size; 2935 2936 get_64bit_val(buf, buf_idx, &temp); 2937 obj_info[rsrc_idx].max_cnt = (u32)temp; 2938 size = (u32)(temp >> 32); 2939 obj_info[rsrc_idx].size = BIT_ULL(size); 2940 2941 return temp; 2942 } 2943 2944 /** 2945 * irdma_sc_parse_fpm_query_buf() - parses fpm query buffer 2946 * @dev: ptr to shared code device 2947 * @buf: ptr to fpm query buffer 2948 * @hmc_info: ptr to irdma_hmc_obj_info struct 2949 * @hmc_fpm_misc: ptr to fpm data 2950 * 2951 * parses fpm query buffer and copy max_cnt and 2952 * size value of hmc objects in hmc_info 2953 */ 2954 static enum irdma_status_code 2955 irdma_sc_parse_fpm_query_buf(struct irdma_sc_dev *dev, __le64 *buf, 2956 struct irdma_hmc_info *hmc_info, 2957 struct irdma_hmc_fpm_misc *hmc_fpm_misc) 2958 { 2959 struct irdma_hmc_obj_info *obj_info; 2960 u64 temp; 2961 u32 size; 2962 u16 max_pe_sds; 2963 2964 obj_info = hmc_info->hmc_obj; 2965 2966 get_64bit_val(buf, 0, &temp); 2967 hmc_info->first_sd_index = (u16)FIELD_GET(IRDMA_QUERY_FPM_FIRST_PE_SD_INDEX, temp); 2968 max_pe_sds = (u16)FIELD_GET(IRDMA_QUERY_FPM_MAX_PE_SDS, temp); 2969 2970 hmc_fpm_misc->max_sds = max_pe_sds; 2971 hmc_info->sd_table.sd_cnt = max_pe_sds + hmc_info->first_sd_index; 2972 get_64bit_val(buf, 8, &temp); 2973 obj_info[IRDMA_HMC_IW_QP].max_cnt = (u32)FIELD_GET(IRDMA_QUERY_FPM_MAX_QPS, temp); 2974 size = (u32)(temp >> 32); 2975 obj_info[IRDMA_HMC_IW_QP].size = BIT_ULL(size); 2976 2977 get_64bit_val(buf, 16, &temp); 2978 obj_info[IRDMA_HMC_IW_CQ].max_cnt = (u32)FIELD_GET(IRDMA_QUERY_FPM_MAX_CQS, temp); 2979 size = (u32)(temp >> 32); 2980 obj_info[IRDMA_HMC_IW_CQ].size = BIT_ULL(size); 2981 2982 irdma_sc_decode_fpm_query(buf, 32, obj_info, IRDMA_HMC_IW_HTE); 2983 irdma_sc_decode_fpm_query(buf, 40, obj_info, IRDMA_HMC_IW_ARP); 2984 2985 obj_info[IRDMA_HMC_IW_APBVT_ENTRY].size = 8192; 2986 obj_info[IRDMA_HMC_IW_APBVT_ENTRY].max_cnt = 1; 2987 2988 irdma_sc_decode_fpm_query(buf, 48, obj_info, IRDMA_HMC_IW_MR); 2989 irdma_sc_decode_fpm_query(buf, 56, obj_info, IRDMA_HMC_IW_XF); 2990 2991 get_64bit_val(buf, 64, &temp); 2992 obj_info[IRDMA_HMC_IW_XFFL].max_cnt = (u32)temp; 2993 obj_info[IRDMA_HMC_IW_XFFL].size = 4; 2994 hmc_fpm_misc->xf_block_size = FIELD_GET(IRDMA_QUERY_FPM_XFBLOCKSIZE, temp); 2995 if (!hmc_fpm_misc->xf_block_size) 2996 return IRDMA_ERR_INVALID_SIZE; 2997 2998 irdma_sc_decode_fpm_query(buf, 72, obj_info, IRDMA_HMC_IW_Q1); 2999 get_64bit_val(buf, 80, &temp); 3000 obj_info[IRDMA_HMC_IW_Q1FL].max_cnt = (u32)temp; 3001 obj_info[IRDMA_HMC_IW_Q1FL].size = 4; 3002 3003 hmc_fpm_misc->q1_block_size = FIELD_GET(IRDMA_QUERY_FPM_Q1BLOCKSIZE, temp); 3004 if (!hmc_fpm_misc->q1_block_size) 3005 return IRDMA_ERR_INVALID_SIZE; 3006 3007 irdma_sc_decode_fpm_query(buf, 88, obj_info, IRDMA_HMC_IW_TIMER); 3008 3009 get_64bit_val(buf, 112, &temp); 3010 obj_info[IRDMA_HMC_IW_PBLE].max_cnt = (u32)temp; 3011 obj_info[IRDMA_HMC_IW_PBLE].size = 8; 3012 3013 get_64bit_val(buf, 120, &temp); 3014 hmc_fpm_misc->max_ceqs = FIELD_GET(IRDMA_QUERY_FPM_MAX_CEQS, temp); 3015 hmc_fpm_misc->ht_multiplier = FIELD_GET(IRDMA_QUERY_FPM_HTMULTIPLIER, temp); 3016 hmc_fpm_misc->timer_bucket = FIELD_GET(IRDMA_QUERY_FPM_TIMERBUCKET, temp); 3017 if (dev->hw_attrs.uk_attrs.hw_rev == IRDMA_GEN_1) 3018 return 0; 3019 irdma_sc_decode_fpm_query(buf, 96, obj_info, IRDMA_HMC_IW_FSIMC); 3020 irdma_sc_decode_fpm_query(buf, 104, obj_info, IRDMA_HMC_IW_FSIAV); 3021 irdma_sc_decode_fpm_query(buf, 128, obj_info, IRDMA_HMC_IW_RRF); 3022 3023 get_64bit_val(buf, 136, &temp); 3024 obj_info[IRDMA_HMC_IW_RRFFL].max_cnt = (u32)temp; 3025 obj_info[IRDMA_HMC_IW_RRFFL].size = 4; 3026 hmc_fpm_misc->rrf_block_size = FIELD_GET(IRDMA_QUERY_FPM_RRFBLOCKSIZE, temp); 3027 if (!hmc_fpm_misc->rrf_block_size && 3028 obj_info[IRDMA_HMC_IW_RRFFL].max_cnt) 3029 return IRDMA_ERR_INVALID_SIZE; 3030 3031 irdma_sc_decode_fpm_query(buf, 144, obj_info, IRDMA_HMC_IW_HDR); 3032 irdma_sc_decode_fpm_query(buf, 152, obj_info, IRDMA_HMC_IW_MD); 3033 irdma_sc_decode_fpm_query(buf, 160, obj_info, IRDMA_HMC_IW_OOISC); 3034 3035 get_64bit_val(buf, 168, &temp); 3036 obj_info[IRDMA_HMC_IW_OOISCFFL].max_cnt = (u32)temp; 3037 obj_info[IRDMA_HMC_IW_OOISCFFL].size = 4; 3038 hmc_fpm_misc->ooiscf_block_size = FIELD_GET(IRDMA_QUERY_FPM_OOISCFBLOCKSIZE, temp); 3039 if (!hmc_fpm_misc->ooiscf_block_size && 3040 obj_info[IRDMA_HMC_IW_OOISCFFL].max_cnt) 3041 return IRDMA_ERR_INVALID_SIZE; 3042 3043 return 0; 3044 } 3045 3046 /** 3047 * irdma_sc_find_reg_cq - find cq ctx index 3048 * @ceq: ceq sc structure 3049 * @cq: cq sc structure 3050 */ 3051 static u32 irdma_sc_find_reg_cq(struct irdma_sc_ceq *ceq, 3052 struct irdma_sc_cq *cq) 3053 { 3054 u32 i; 3055 3056 for (i = 0; i < ceq->reg_cq_size; i++) { 3057 if (cq == ceq->reg_cq[i]) 3058 return i; 3059 } 3060 3061 return IRDMA_INVALID_CQ_IDX; 3062 } 3063 3064 /** 3065 * irdma_sc_add_cq_ctx - add cq ctx tracking for ceq 3066 * @ceq: ceq sc structure 3067 * @cq: cq sc structure 3068 */ 3069 enum irdma_status_code irdma_sc_add_cq_ctx(struct irdma_sc_ceq *ceq, 3070 struct irdma_sc_cq *cq) 3071 { 3072 unsigned long flags; 3073 3074 spin_lock_irqsave(&ceq->req_cq_lock, flags); 3075 3076 if (ceq->reg_cq_size == ceq->elem_cnt) { 3077 spin_unlock_irqrestore(&ceq->req_cq_lock, flags); 3078 return IRDMA_ERR_REG_CQ_FULL; 3079 } 3080 3081 ceq->reg_cq[ceq->reg_cq_size++] = cq; 3082 3083 spin_unlock_irqrestore(&ceq->req_cq_lock, flags); 3084 3085 return 0; 3086 } 3087 3088 /** 3089 * irdma_sc_remove_cq_ctx - remove cq ctx tracking for ceq 3090 * @ceq: ceq sc structure 3091 * @cq: cq sc structure 3092 */ 3093 void irdma_sc_remove_cq_ctx(struct irdma_sc_ceq *ceq, struct irdma_sc_cq *cq) 3094 { 3095 unsigned long flags; 3096 u32 cq_ctx_idx; 3097 3098 spin_lock_irqsave(&ceq->req_cq_lock, flags); 3099 cq_ctx_idx = irdma_sc_find_reg_cq(ceq, cq); 3100 if (cq_ctx_idx == IRDMA_INVALID_CQ_IDX) 3101 goto exit; 3102 3103 ceq->reg_cq_size--; 3104 if (cq_ctx_idx != ceq->reg_cq_size) 3105 ceq->reg_cq[cq_ctx_idx] = ceq->reg_cq[ceq->reg_cq_size]; 3106 ceq->reg_cq[ceq->reg_cq_size] = NULL; 3107 3108 exit: 3109 spin_unlock_irqrestore(&ceq->req_cq_lock, flags); 3110 } 3111 3112 /** 3113 * irdma_sc_cqp_init - Initialize buffers for a control Queue Pair 3114 * @cqp: IWARP control queue pair pointer 3115 * @info: IWARP control queue pair init info pointer 3116 * 3117 * Initializes the object and context buffers for a control Queue Pair. 3118 */ 3119 enum irdma_status_code irdma_sc_cqp_init(struct irdma_sc_cqp *cqp, 3120 struct irdma_cqp_init_info *info) 3121 { 3122 u8 hw_sq_size; 3123 3124 if (info->sq_size > IRDMA_CQP_SW_SQSIZE_2048 || 3125 info->sq_size < IRDMA_CQP_SW_SQSIZE_4 || 3126 ((info->sq_size & (info->sq_size - 1)))) 3127 return IRDMA_ERR_INVALID_SIZE; 3128 3129 hw_sq_size = irdma_get_encoded_wqe_size(info->sq_size, 3130 IRDMA_QUEUE_TYPE_CQP); 3131 cqp->size = sizeof(*cqp); 3132 cqp->sq_size = info->sq_size; 3133 cqp->hw_sq_size = hw_sq_size; 3134 cqp->sq_base = info->sq; 3135 cqp->host_ctx = info->host_ctx; 3136 cqp->sq_pa = info->sq_pa; 3137 cqp->host_ctx_pa = info->host_ctx_pa; 3138 cqp->dev = info->dev; 3139 cqp->struct_ver = info->struct_ver; 3140 cqp->hw_maj_ver = info->hw_maj_ver; 3141 cqp->hw_min_ver = info->hw_min_ver; 3142 cqp->scratch_array = info->scratch_array; 3143 cqp->polarity = 0; 3144 cqp->en_datacenter_tcp = info->en_datacenter_tcp; 3145 cqp->ena_vf_count = info->ena_vf_count; 3146 cqp->hmc_profile = info->hmc_profile; 3147 cqp->ceqs_per_vf = info->ceqs_per_vf; 3148 cqp->disable_packed = info->disable_packed; 3149 cqp->rocev2_rto_policy = info->rocev2_rto_policy; 3150 cqp->protocol_used = info->protocol_used; 3151 memcpy(&cqp->dcqcn_params, &info->dcqcn_params, sizeof(cqp->dcqcn_params)); 3152 info->dev->cqp = cqp; 3153 3154 IRDMA_RING_INIT(cqp->sq_ring, cqp->sq_size); 3155 cqp->dev->cqp_cmd_stats[IRDMA_OP_REQ_CMDS] = 0; 3156 cqp->dev->cqp_cmd_stats[IRDMA_OP_CMPL_CMDS] = 0; 3157 /* for the cqp commands backlog. */ 3158 INIT_LIST_HEAD(&cqp->dev->cqp_cmd_head); 3159 3160 writel(0, cqp->dev->hw_regs[IRDMA_CQPTAIL]); 3161 writel(0, cqp->dev->hw_regs[IRDMA_CQPDB]); 3162 writel(0, cqp->dev->hw_regs[IRDMA_CCQPSTATUS]); 3163 3164 ibdev_dbg(to_ibdev(cqp->dev), 3165 "WQE: sq_size[%04d] hw_sq_size[%04d] sq_base[%p] sq_pa[%pK] cqp[%p] polarity[x%04x]\n", 3166 cqp->sq_size, cqp->hw_sq_size, cqp->sq_base, 3167 (u64 *)(uintptr_t)cqp->sq_pa, cqp, cqp->polarity); 3168 return 0; 3169 } 3170 3171 /** 3172 * irdma_sc_cqp_create - create cqp during bringup 3173 * @cqp: struct for cqp hw 3174 * @maj_err: If error, major err number 3175 * @min_err: If error, minor err number 3176 */ 3177 enum irdma_status_code irdma_sc_cqp_create(struct irdma_sc_cqp *cqp, u16 *maj_err, 3178 u16 *min_err) 3179 { 3180 u64 temp; 3181 u8 hw_rev; 3182 u32 cnt = 0, p1, p2, val = 0, err_code; 3183 enum irdma_status_code ret_code; 3184 3185 hw_rev = cqp->dev->hw_attrs.uk_attrs.hw_rev; 3186 cqp->sdbuf.size = ALIGN(IRDMA_UPDATE_SD_BUFF_SIZE * cqp->sq_size, 3187 IRDMA_SD_BUF_ALIGNMENT); 3188 cqp->sdbuf.va = dma_alloc_coherent(cqp->dev->hw->device, 3189 cqp->sdbuf.size, &cqp->sdbuf.pa, 3190 GFP_KERNEL); 3191 if (!cqp->sdbuf.va) 3192 return IRDMA_ERR_NO_MEMORY; 3193 3194 spin_lock_init(&cqp->dev->cqp_lock); 3195 3196 temp = FIELD_PREP(IRDMA_CQPHC_SQSIZE, cqp->hw_sq_size) | 3197 FIELD_PREP(IRDMA_CQPHC_SVER, cqp->struct_ver) | 3198 FIELD_PREP(IRDMA_CQPHC_DISABLE_PFPDUS, cqp->disable_packed) | 3199 FIELD_PREP(IRDMA_CQPHC_CEQPERVF, cqp->ceqs_per_vf); 3200 if (hw_rev >= IRDMA_GEN_2) { 3201 temp |= FIELD_PREP(IRDMA_CQPHC_ROCEV2_RTO_POLICY, 3202 cqp->rocev2_rto_policy) | 3203 FIELD_PREP(IRDMA_CQPHC_PROTOCOL_USED, 3204 cqp->protocol_used); 3205 } 3206 3207 set_64bit_val(cqp->host_ctx, 0, temp); 3208 set_64bit_val(cqp->host_ctx, 8, cqp->sq_pa); 3209 3210 temp = FIELD_PREP(IRDMA_CQPHC_ENABLED_VFS, cqp->ena_vf_count) | 3211 FIELD_PREP(IRDMA_CQPHC_HMC_PROFILE, cqp->hmc_profile); 3212 set_64bit_val(cqp->host_ctx, 16, temp); 3213 set_64bit_val(cqp->host_ctx, 24, (uintptr_t)cqp); 3214 temp = FIELD_PREP(IRDMA_CQPHC_HW_MAJVER, cqp->hw_maj_ver) | 3215 FIELD_PREP(IRDMA_CQPHC_HW_MINVER, cqp->hw_min_ver); 3216 if (hw_rev >= IRDMA_GEN_2) { 3217 temp |= FIELD_PREP(IRDMA_CQPHC_MIN_RATE, cqp->dcqcn_params.min_rate) | 3218 FIELD_PREP(IRDMA_CQPHC_MIN_DEC_FACTOR, cqp->dcqcn_params.min_dec_factor); 3219 } 3220 set_64bit_val(cqp->host_ctx, 32, temp); 3221 set_64bit_val(cqp->host_ctx, 40, 0); 3222 temp = 0; 3223 if (hw_rev >= IRDMA_GEN_2) { 3224 temp |= FIELD_PREP(IRDMA_CQPHC_DCQCN_T, cqp->dcqcn_params.dcqcn_t) | 3225 FIELD_PREP(IRDMA_CQPHC_RAI_FACTOR, cqp->dcqcn_params.rai_factor) | 3226 FIELD_PREP(IRDMA_CQPHC_HAI_FACTOR, cqp->dcqcn_params.hai_factor); 3227 } 3228 set_64bit_val(cqp->host_ctx, 48, temp); 3229 temp = 0; 3230 if (hw_rev >= IRDMA_GEN_2) { 3231 temp |= FIELD_PREP(IRDMA_CQPHC_DCQCN_B, cqp->dcqcn_params.dcqcn_b) | 3232 FIELD_PREP(IRDMA_CQPHC_DCQCN_F, cqp->dcqcn_params.dcqcn_f) | 3233 FIELD_PREP(IRDMA_CQPHC_CC_CFG_VALID, cqp->dcqcn_params.cc_cfg_valid) | 3234 FIELD_PREP(IRDMA_CQPHC_RREDUCE_MPERIOD, cqp->dcqcn_params.rreduce_mperiod); 3235 } 3236 set_64bit_val(cqp->host_ctx, 56, temp); 3237 print_hex_dump_debug("WQE: CQP_HOST_CTX WQE", DUMP_PREFIX_OFFSET, 16, 3238 8, cqp->host_ctx, IRDMA_CQP_CTX_SIZE * 8, false); 3239 p1 = cqp->host_ctx_pa >> 32; 3240 p2 = (u32)cqp->host_ctx_pa; 3241 3242 writel(p1, cqp->dev->hw_regs[IRDMA_CCQPHIGH]); 3243 writel(p2, cqp->dev->hw_regs[IRDMA_CCQPLOW]); 3244 3245 do { 3246 if (cnt++ > cqp->dev->hw_attrs.max_done_count) { 3247 ret_code = IRDMA_ERR_TIMEOUT; 3248 goto err; 3249 } 3250 udelay(cqp->dev->hw_attrs.max_sleep_count); 3251 val = readl(cqp->dev->hw_regs[IRDMA_CCQPSTATUS]); 3252 } while (!val); 3253 3254 if (FLD_RS_32(cqp->dev, val, IRDMA_CCQPSTATUS_CCQP_ERR)) { 3255 ret_code = IRDMA_ERR_DEVICE_NOT_SUPPORTED; 3256 goto err; 3257 } 3258 3259 cqp->process_cqp_sds = irdma_update_sds_noccq; 3260 return 0; 3261 3262 err: 3263 dma_free_coherent(cqp->dev->hw->device, cqp->sdbuf.size, 3264 cqp->sdbuf.va, cqp->sdbuf.pa); 3265 cqp->sdbuf.va = NULL; 3266 err_code = readl(cqp->dev->hw_regs[IRDMA_CQPERRCODES]); 3267 *min_err = FIELD_GET(IRDMA_CQPERRCODES_CQP_MINOR_CODE, err_code); 3268 *maj_err = FIELD_GET(IRDMA_CQPERRCODES_CQP_MAJOR_CODE, err_code); 3269 return ret_code; 3270 } 3271 3272 /** 3273 * irdma_sc_cqp_post_sq - post of cqp's sq 3274 * @cqp: struct for cqp hw 3275 */ 3276 void irdma_sc_cqp_post_sq(struct irdma_sc_cqp *cqp) 3277 { 3278 writel(IRDMA_RING_CURRENT_HEAD(cqp->sq_ring), cqp->dev->cqp_db); 3279 3280 ibdev_dbg(to_ibdev(cqp->dev), 3281 "WQE: CQP SQ head 0x%x tail 0x%x size 0x%x\n", 3282 cqp->sq_ring.head, cqp->sq_ring.tail, cqp->sq_ring.size); 3283 } 3284 3285 /** 3286 * irdma_sc_cqp_get_next_send_wqe_idx - get next wqe on cqp sq 3287 * and pass back index 3288 * @cqp: CQP HW structure 3289 * @scratch: private data for CQP WQE 3290 * @wqe_idx: WQE index of CQP SQ 3291 */ 3292 __le64 *irdma_sc_cqp_get_next_send_wqe_idx(struct irdma_sc_cqp *cqp, u64 scratch, 3293 u32 *wqe_idx) 3294 { 3295 __le64 *wqe = NULL; 3296 enum irdma_status_code ret_code; 3297 3298 if (IRDMA_RING_FULL_ERR(cqp->sq_ring)) { 3299 ibdev_dbg(to_ibdev(cqp->dev), 3300 "WQE: CQP SQ is full, head 0x%x tail 0x%x size 0x%x\n", 3301 cqp->sq_ring.head, cqp->sq_ring.tail, 3302 cqp->sq_ring.size); 3303 return NULL; 3304 } 3305 IRDMA_ATOMIC_RING_MOVE_HEAD(cqp->sq_ring, *wqe_idx, ret_code); 3306 if (ret_code) 3307 return NULL; 3308 3309 cqp->dev->cqp_cmd_stats[IRDMA_OP_REQ_CMDS]++; 3310 if (!*wqe_idx) 3311 cqp->polarity = !cqp->polarity; 3312 wqe = cqp->sq_base[*wqe_idx].elem; 3313 cqp->scratch_array[*wqe_idx] = scratch; 3314 IRDMA_CQP_INIT_WQE(wqe); 3315 3316 return wqe; 3317 } 3318 3319 /** 3320 * irdma_sc_cqp_destroy - destroy cqp during close 3321 * @cqp: struct for cqp hw 3322 */ 3323 enum irdma_status_code irdma_sc_cqp_destroy(struct irdma_sc_cqp *cqp) 3324 { 3325 u32 cnt = 0, val; 3326 enum irdma_status_code ret_code = 0; 3327 3328 writel(0, cqp->dev->hw_regs[IRDMA_CCQPHIGH]); 3329 writel(0, cqp->dev->hw_regs[IRDMA_CCQPLOW]); 3330 do { 3331 if (cnt++ > cqp->dev->hw_attrs.max_done_count) { 3332 ret_code = IRDMA_ERR_TIMEOUT; 3333 break; 3334 } 3335 udelay(cqp->dev->hw_attrs.max_sleep_count); 3336 val = readl(cqp->dev->hw_regs[IRDMA_CCQPSTATUS]); 3337 } while (FLD_RS_32(cqp->dev, val, IRDMA_CCQPSTATUS_CCQP_DONE)); 3338 3339 dma_free_coherent(cqp->dev->hw->device, cqp->sdbuf.size, 3340 cqp->sdbuf.va, cqp->sdbuf.pa); 3341 cqp->sdbuf.va = NULL; 3342 return ret_code; 3343 } 3344 3345 /** 3346 * irdma_sc_ccq_arm - enable intr for control cq 3347 * @ccq: ccq sc struct 3348 */ 3349 void irdma_sc_ccq_arm(struct irdma_sc_cq *ccq) 3350 { 3351 u64 temp_val; 3352 u16 sw_cq_sel; 3353 u8 arm_next_se; 3354 u8 arm_seq_num; 3355 3356 get_64bit_val(ccq->cq_uk.shadow_area, 32, &temp_val); 3357 sw_cq_sel = (u16)FIELD_GET(IRDMA_CQ_DBSA_SW_CQ_SELECT, temp_val); 3358 arm_next_se = (u8)FIELD_GET(IRDMA_CQ_DBSA_ARM_NEXT_SE, temp_val); 3359 arm_seq_num = (u8)FIELD_GET(IRDMA_CQ_DBSA_ARM_SEQ_NUM, temp_val); 3360 arm_seq_num++; 3361 temp_val = FIELD_PREP(IRDMA_CQ_DBSA_ARM_SEQ_NUM, arm_seq_num) | 3362 FIELD_PREP(IRDMA_CQ_DBSA_SW_CQ_SELECT, sw_cq_sel) | 3363 FIELD_PREP(IRDMA_CQ_DBSA_ARM_NEXT_SE, arm_next_se) | 3364 FIELD_PREP(IRDMA_CQ_DBSA_ARM_NEXT, 1); 3365 set_64bit_val(ccq->cq_uk.shadow_area, 32, temp_val); 3366 3367 dma_wmb(); /* make sure shadow area is updated before arming */ 3368 3369 writel(ccq->cq_uk.cq_id, ccq->dev->cq_arm_db); 3370 } 3371 3372 /** 3373 * irdma_sc_ccq_get_cqe_info - get ccq's cq entry 3374 * @ccq: ccq sc struct 3375 * @info: completion q entry to return 3376 */ 3377 enum irdma_status_code irdma_sc_ccq_get_cqe_info(struct irdma_sc_cq *ccq, 3378 struct irdma_ccq_cqe_info *info) 3379 { 3380 u64 qp_ctx, temp, temp1; 3381 __le64 *cqe; 3382 struct irdma_sc_cqp *cqp; 3383 u32 wqe_idx; 3384 u32 error; 3385 u8 polarity; 3386 enum irdma_status_code ret_code = 0; 3387 3388 if (ccq->cq_uk.avoid_mem_cflct) 3389 cqe = IRDMA_GET_CURRENT_EXTENDED_CQ_ELEM(&ccq->cq_uk); 3390 else 3391 cqe = IRDMA_GET_CURRENT_CQ_ELEM(&ccq->cq_uk); 3392 3393 get_64bit_val(cqe, 24, &temp); 3394 polarity = (u8)FIELD_GET(IRDMA_CQ_VALID, temp); 3395 if (polarity != ccq->cq_uk.polarity) 3396 return IRDMA_ERR_Q_EMPTY; 3397 3398 get_64bit_val(cqe, 8, &qp_ctx); 3399 cqp = (struct irdma_sc_cqp *)(unsigned long)qp_ctx; 3400 info->error = (bool)FIELD_GET(IRDMA_CQ_ERROR, temp); 3401 info->maj_err_code = IRDMA_CQPSQ_MAJ_NO_ERROR; 3402 info->min_err_code = (u16)FIELD_GET(IRDMA_CQ_MINERR, temp); 3403 if (info->error) { 3404 info->maj_err_code = (u16)FIELD_GET(IRDMA_CQ_MAJERR, temp); 3405 error = readl(cqp->dev->hw_regs[IRDMA_CQPERRCODES]); 3406 ibdev_dbg(to_ibdev(cqp->dev), 3407 "CQP: CQPERRCODES error_code[x%08X]\n", error); 3408 } 3409 3410 wqe_idx = (u32)FIELD_GET(IRDMA_CQ_WQEIDX, temp); 3411 info->scratch = cqp->scratch_array[wqe_idx]; 3412 3413 get_64bit_val(cqe, 16, &temp1); 3414 info->op_ret_val = (u32)FIELD_GET(IRDMA_CCQ_OPRETVAL, temp1); 3415 get_64bit_val(cqp->sq_base[wqe_idx].elem, 24, &temp1); 3416 info->op_code = (u8)FIELD_GET(IRDMA_CQPSQ_OPCODE, temp1); 3417 info->cqp = cqp; 3418 3419 /* move the head for cq */ 3420 IRDMA_RING_MOVE_HEAD(ccq->cq_uk.cq_ring, ret_code); 3421 if (!IRDMA_RING_CURRENT_HEAD(ccq->cq_uk.cq_ring)) 3422 ccq->cq_uk.polarity ^= 1; 3423 3424 /* update cq tail in cq shadow memory also */ 3425 IRDMA_RING_MOVE_TAIL(ccq->cq_uk.cq_ring); 3426 set_64bit_val(ccq->cq_uk.shadow_area, 0, 3427 IRDMA_RING_CURRENT_HEAD(ccq->cq_uk.cq_ring)); 3428 3429 dma_wmb(); /* make sure shadow area is updated before moving tail */ 3430 3431 IRDMA_RING_MOVE_TAIL(cqp->sq_ring); 3432 ccq->dev->cqp_cmd_stats[IRDMA_OP_CMPL_CMDS]++; 3433 3434 return ret_code; 3435 } 3436 3437 /** 3438 * irdma_sc_poll_for_cqp_op_done - Waits for last write to complete in CQP SQ 3439 * @cqp: struct for cqp hw 3440 * @op_code: cqp opcode for completion 3441 * @compl_info: completion q entry to return 3442 */ 3443 enum irdma_status_code irdma_sc_poll_for_cqp_op_done(struct irdma_sc_cqp *cqp, u8 op_code, 3444 struct irdma_ccq_cqe_info *compl_info) 3445 { 3446 struct irdma_ccq_cqe_info info = {}; 3447 struct irdma_sc_cq *ccq; 3448 enum irdma_status_code ret_code = 0; 3449 u32 cnt = 0; 3450 3451 ccq = cqp->dev->ccq; 3452 while (1) { 3453 if (cnt++ > 100 * cqp->dev->hw_attrs.max_done_count) 3454 return IRDMA_ERR_TIMEOUT; 3455 3456 if (irdma_sc_ccq_get_cqe_info(ccq, &info)) { 3457 udelay(cqp->dev->hw_attrs.max_sleep_count); 3458 continue; 3459 } 3460 if (info.error && info.op_code != IRDMA_CQP_OP_QUERY_STAG) { 3461 ret_code = IRDMA_ERR_CQP_COMPL_ERROR; 3462 break; 3463 } 3464 /* make sure op code matches*/ 3465 if (op_code == info.op_code) 3466 break; 3467 ibdev_dbg(to_ibdev(cqp->dev), 3468 "WQE: opcode mismatch for my op code 0x%x, returned opcode %x\n", 3469 op_code, info.op_code); 3470 } 3471 3472 if (compl_info) 3473 memcpy(compl_info, &info, sizeof(*compl_info)); 3474 3475 return ret_code; 3476 } 3477 3478 /** 3479 * irdma_sc_manage_hmc_pm_func_table - manage of function table 3480 * @cqp: struct for cqp hw 3481 * @scratch: u64 saved to be used during cqp completion 3482 * @info: info for the manage function table operation 3483 * @post_sq: flag for cqp db to ring 3484 */ 3485 static enum irdma_status_code 3486 irdma_sc_manage_hmc_pm_func_table(struct irdma_sc_cqp *cqp, 3487 struct irdma_hmc_fcn_info *info, 3488 u64 scratch, bool post_sq) 3489 { 3490 __le64 *wqe; 3491 u64 hdr; 3492 3493 wqe = irdma_sc_cqp_get_next_send_wqe(cqp, scratch); 3494 if (!wqe) 3495 return IRDMA_ERR_RING_FULL; 3496 3497 set_64bit_val(wqe, 0, 0); 3498 set_64bit_val(wqe, 8, 0); 3499 set_64bit_val(wqe, 16, 0); 3500 set_64bit_val(wqe, 32, 0); 3501 set_64bit_val(wqe, 40, 0); 3502 set_64bit_val(wqe, 48, 0); 3503 set_64bit_val(wqe, 56, 0); 3504 3505 hdr = FIELD_PREP(IRDMA_CQPSQ_MHMC_VFIDX, info->vf_id) | 3506 FIELD_PREP(IRDMA_CQPSQ_OPCODE, 3507 IRDMA_CQP_OP_MANAGE_HMC_PM_FUNC_TABLE) | 3508 FIELD_PREP(IRDMA_CQPSQ_MHMC_FREEPMFN, info->free_fcn) | 3509 FIELD_PREP(IRDMA_CQPSQ_WQEVALID, cqp->polarity); 3510 dma_wmb(); /* make sure WQE is written before valid bit is set */ 3511 3512 set_64bit_val(wqe, 24, hdr); 3513 3514 print_hex_dump_debug("WQE: MANAGE_HMC_PM_FUNC_TABLE WQE", 3515 DUMP_PREFIX_OFFSET, 16, 8, wqe, 3516 IRDMA_CQP_WQE_SIZE * 8, false); 3517 if (post_sq) 3518 irdma_sc_cqp_post_sq(cqp); 3519 3520 return 0; 3521 } 3522 3523 /** 3524 * irdma_sc_commit_fpm_val_done - wait for cqp eqe completion 3525 * for fpm commit 3526 * @cqp: struct for cqp hw 3527 */ 3528 static enum irdma_status_code 3529 irdma_sc_commit_fpm_val_done(struct irdma_sc_cqp *cqp) 3530 { 3531 return irdma_sc_poll_for_cqp_op_done(cqp, IRDMA_CQP_OP_COMMIT_FPM_VAL, 3532 NULL); 3533 } 3534 3535 /** 3536 * irdma_sc_commit_fpm_val - cqp wqe for commit fpm values 3537 * @cqp: struct for cqp hw 3538 * @scratch: u64 saved to be used during cqp completion 3539 * @hmc_fn_id: hmc function id 3540 * @commit_fpm_mem: Memory for fpm values 3541 * @post_sq: flag for cqp db to ring 3542 * @wait_type: poll ccq or cqp registers for cqp completion 3543 */ 3544 static enum irdma_status_code 3545 irdma_sc_commit_fpm_val(struct irdma_sc_cqp *cqp, u64 scratch, u8 hmc_fn_id, 3546 struct irdma_dma_mem *commit_fpm_mem, bool post_sq, 3547 u8 wait_type) 3548 { 3549 __le64 *wqe; 3550 u64 hdr; 3551 u32 tail, val, error; 3552 enum irdma_status_code ret_code = 0; 3553 3554 wqe = irdma_sc_cqp_get_next_send_wqe(cqp, scratch); 3555 if (!wqe) 3556 return IRDMA_ERR_RING_FULL; 3557 3558 set_64bit_val(wqe, 16, hmc_fn_id); 3559 set_64bit_val(wqe, 32, commit_fpm_mem->pa); 3560 3561 hdr = FIELD_PREP(IRDMA_CQPSQ_BUFSIZE, IRDMA_COMMIT_FPM_BUF_SIZE) | 3562 FIELD_PREP(IRDMA_CQPSQ_OPCODE, IRDMA_CQP_OP_COMMIT_FPM_VAL) | 3563 FIELD_PREP(IRDMA_CQPSQ_WQEVALID, cqp->polarity); 3564 3565 dma_wmb(); /* make sure WQE is written before valid bit is set */ 3566 3567 set_64bit_val(wqe, 24, hdr); 3568 3569 print_hex_dump_debug("WQE: COMMIT_FPM_VAL WQE", DUMP_PREFIX_OFFSET, 3570 16, 8, wqe, IRDMA_CQP_WQE_SIZE * 8, false); 3571 irdma_get_cqp_reg_info(cqp, &val, &tail, &error); 3572 3573 if (post_sq) { 3574 irdma_sc_cqp_post_sq(cqp); 3575 if (wait_type == IRDMA_CQP_WAIT_POLL_REGS) 3576 ret_code = irdma_cqp_poll_registers(cqp, tail, 3577 cqp->dev->hw_attrs.max_done_count); 3578 else if (wait_type == IRDMA_CQP_WAIT_POLL_CQ) 3579 ret_code = irdma_sc_commit_fpm_val_done(cqp); 3580 } 3581 3582 return ret_code; 3583 } 3584 3585 /** 3586 * irdma_sc_query_fpm_val_done - poll for cqp wqe completion for 3587 * query fpm 3588 * @cqp: struct for cqp hw 3589 */ 3590 static enum irdma_status_code 3591 irdma_sc_query_fpm_val_done(struct irdma_sc_cqp *cqp) 3592 { 3593 return irdma_sc_poll_for_cqp_op_done(cqp, IRDMA_CQP_OP_QUERY_FPM_VAL, 3594 NULL); 3595 } 3596 3597 /** 3598 * irdma_sc_query_fpm_val - cqp wqe query fpm values 3599 * @cqp: struct for cqp hw 3600 * @scratch: u64 saved to be used during cqp completion 3601 * @hmc_fn_id: hmc function id 3602 * @query_fpm_mem: memory for return fpm values 3603 * @post_sq: flag for cqp db to ring 3604 * @wait_type: poll ccq or cqp registers for cqp completion 3605 */ 3606 static enum irdma_status_code 3607 irdma_sc_query_fpm_val(struct irdma_sc_cqp *cqp, u64 scratch, u8 hmc_fn_id, 3608 struct irdma_dma_mem *query_fpm_mem, bool post_sq, 3609 u8 wait_type) 3610 { 3611 __le64 *wqe; 3612 u64 hdr; 3613 u32 tail, val, error; 3614 enum irdma_status_code ret_code = 0; 3615 3616 wqe = irdma_sc_cqp_get_next_send_wqe(cqp, scratch); 3617 if (!wqe) 3618 return IRDMA_ERR_RING_FULL; 3619 3620 set_64bit_val(wqe, 16, hmc_fn_id); 3621 set_64bit_val(wqe, 32, query_fpm_mem->pa); 3622 3623 hdr = FIELD_PREP(IRDMA_CQPSQ_OPCODE, IRDMA_CQP_OP_QUERY_FPM_VAL) | 3624 FIELD_PREP(IRDMA_CQPSQ_WQEVALID, cqp->polarity); 3625 dma_wmb(); /* make sure WQE is written before valid bit is set */ 3626 3627 set_64bit_val(wqe, 24, hdr); 3628 3629 print_hex_dump_debug("WQE: QUERY_FPM WQE", DUMP_PREFIX_OFFSET, 16, 8, 3630 wqe, IRDMA_CQP_WQE_SIZE * 8, false); 3631 irdma_get_cqp_reg_info(cqp, &val, &tail, &error); 3632 3633 if (post_sq) { 3634 irdma_sc_cqp_post_sq(cqp); 3635 if (wait_type == IRDMA_CQP_WAIT_POLL_REGS) 3636 ret_code = irdma_cqp_poll_registers(cqp, tail, 3637 cqp->dev->hw_attrs.max_done_count); 3638 else if (wait_type == IRDMA_CQP_WAIT_POLL_CQ) 3639 ret_code = irdma_sc_query_fpm_val_done(cqp); 3640 } 3641 3642 return ret_code; 3643 } 3644 3645 /** 3646 * irdma_sc_ceq_init - initialize ceq 3647 * @ceq: ceq sc structure 3648 * @info: ceq initialization info 3649 */ 3650 enum irdma_status_code irdma_sc_ceq_init(struct irdma_sc_ceq *ceq, 3651 struct irdma_ceq_init_info *info) 3652 { 3653 u32 pble_obj_cnt; 3654 3655 if (info->elem_cnt < info->dev->hw_attrs.min_hw_ceq_size || 3656 info->elem_cnt > info->dev->hw_attrs.max_hw_ceq_size) 3657 return IRDMA_ERR_INVALID_SIZE; 3658 3659 if (info->ceq_id > (info->dev->hmc_fpm_misc.max_ceqs - 1)) 3660 return IRDMA_ERR_INVALID_CEQ_ID; 3661 pble_obj_cnt = info->dev->hmc_info->hmc_obj[IRDMA_HMC_IW_PBLE].cnt; 3662 3663 if (info->virtual_map && info->first_pm_pbl_idx >= pble_obj_cnt) 3664 return IRDMA_ERR_INVALID_PBLE_INDEX; 3665 3666 ceq->size = sizeof(*ceq); 3667 ceq->ceqe_base = (struct irdma_ceqe *)info->ceqe_base; 3668 ceq->ceq_id = info->ceq_id; 3669 ceq->dev = info->dev; 3670 ceq->elem_cnt = info->elem_cnt; 3671 ceq->ceq_elem_pa = info->ceqe_pa; 3672 ceq->virtual_map = info->virtual_map; 3673 ceq->itr_no_expire = info->itr_no_expire; 3674 ceq->reg_cq = info->reg_cq; 3675 ceq->reg_cq_size = 0; 3676 spin_lock_init(&ceq->req_cq_lock); 3677 ceq->pbl_chunk_size = (ceq->virtual_map ? info->pbl_chunk_size : 0); 3678 ceq->first_pm_pbl_idx = (ceq->virtual_map ? info->first_pm_pbl_idx : 0); 3679 ceq->pbl_list = (ceq->virtual_map ? info->pbl_list : NULL); 3680 ceq->tph_en = info->tph_en; 3681 ceq->tph_val = info->tph_val; 3682 ceq->vsi = info->vsi; 3683 ceq->polarity = 1; 3684 IRDMA_RING_INIT(ceq->ceq_ring, ceq->elem_cnt); 3685 ceq->dev->ceq[info->ceq_id] = ceq; 3686 3687 return 0; 3688 } 3689 3690 /** 3691 * irdma_sc_ceq_create - create ceq wqe 3692 * @ceq: ceq sc structure 3693 * @scratch: u64 saved to be used during cqp completion 3694 * @post_sq: flag for cqp db to ring 3695 */ 3696 3697 static enum irdma_status_code irdma_sc_ceq_create(struct irdma_sc_ceq *ceq, u64 scratch, 3698 bool post_sq) 3699 { 3700 struct irdma_sc_cqp *cqp; 3701 __le64 *wqe; 3702 u64 hdr; 3703 3704 cqp = ceq->dev->cqp; 3705 wqe = irdma_sc_cqp_get_next_send_wqe(cqp, scratch); 3706 if (!wqe) 3707 return IRDMA_ERR_RING_FULL; 3708 set_64bit_val(wqe, 16, ceq->elem_cnt); 3709 set_64bit_val(wqe, 32, 3710 (ceq->virtual_map ? 0 : ceq->ceq_elem_pa)); 3711 set_64bit_val(wqe, 48, 3712 (ceq->virtual_map ? ceq->first_pm_pbl_idx : 0)); 3713 set_64bit_val(wqe, 56, 3714 FIELD_PREP(IRDMA_CQPSQ_TPHVAL, ceq->tph_val) | 3715 FIELD_PREP(IRDMA_CQPSQ_VSIIDX, ceq->vsi->vsi_idx)); 3716 hdr = FIELD_PREP(IRDMA_CQPSQ_CEQ_CEQID, ceq->ceq_id) | 3717 FIELD_PREP(IRDMA_CQPSQ_OPCODE, IRDMA_CQP_OP_CREATE_CEQ) | 3718 FIELD_PREP(IRDMA_CQPSQ_CEQ_LPBLSIZE, ceq->pbl_chunk_size) | 3719 FIELD_PREP(IRDMA_CQPSQ_CEQ_VMAP, ceq->virtual_map) | 3720 FIELD_PREP(IRDMA_CQPSQ_CEQ_ITRNOEXPIRE, ceq->itr_no_expire) | 3721 FIELD_PREP(IRDMA_CQPSQ_TPHEN, ceq->tph_en) | 3722 FIELD_PREP(IRDMA_CQPSQ_WQEVALID, cqp->polarity); 3723 dma_wmb(); /* make sure WQE is written before valid bit is set */ 3724 3725 set_64bit_val(wqe, 24, hdr); 3726 3727 print_hex_dump_debug("WQE: CEQ_CREATE WQE", DUMP_PREFIX_OFFSET, 16, 8, 3728 wqe, IRDMA_CQP_WQE_SIZE * 8, false); 3729 if (post_sq) 3730 irdma_sc_cqp_post_sq(cqp); 3731 3732 return 0; 3733 } 3734 3735 /** 3736 * irdma_sc_cceq_create_done - poll for control ceq wqe to complete 3737 * @ceq: ceq sc structure 3738 */ 3739 static enum irdma_status_code 3740 irdma_sc_cceq_create_done(struct irdma_sc_ceq *ceq) 3741 { 3742 struct irdma_sc_cqp *cqp; 3743 3744 cqp = ceq->dev->cqp; 3745 return irdma_sc_poll_for_cqp_op_done(cqp, IRDMA_CQP_OP_CREATE_CEQ, 3746 NULL); 3747 } 3748 3749 /** 3750 * irdma_sc_cceq_destroy_done - poll for destroy cceq to complete 3751 * @ceq: ceq sc structure 3752 */ 3753 enum irdma_status_code irdma_sc_cceq_destroy_done(struct irdma_sc_ceq *ceq) 3754 { 3755 struct irdma_sc_cqp *cqp; 3756 3757 if (ceq->reg_cq) 3758 irdma_sc_remove_cq_ctx(ceq, ceq->dev->ccq); 3759 3760 cqp = ceq->dev->cqp; 3761 cqp->process_cqp_sds = irdma_update_sds_noccq; 3762 3763 return irdma_sc_poll_for_cqp_op_done(cqp, IRDMA_CQP_OP_DESTROY_CEQ, 3764 NULL); 3765 } 3766 3767 /** 3768 * irdma_sc_cceq_create - create cceq 3769 * @ceq: ceq sc structure 3770 * @scratch: u64 saved to be used during cqp completion 3771 */ 3772 enum irdma_status_code irdma_sc_cceq_create(struct irdma_sc_ceq *ceq, u64 scratch) 3773 { 3774 enum irdma_status_code ret_code; 3775 struct irdma_sc_dev *dev = ceq->dev; 3776 3777 dev->ccq->vsi = ceq->vsi; 3778 if (ceq->reg_cq) { 3779 ret_code = irdma_sc_add_cq_ctx(ceq, ceq->dev->ccq); 3780 if (ret_code) 3781 return ret_code; 3782 } 3783 3784 ret_code = irdma_sc_ceq_create(ceq, scratch, true); 3785 if (!ret_code) 3786 return irdma_sc_cceq_create_done(ceq); 3787 3788 return ret_code; 3789 } 3790 3791 /** 3792 * irdma_sc_ceq_destroy - destroy ceq 3793 * @ceq: ceq sc structure 3794 * @scratch: u64 saved to be used during cqp completion 3795 * @post_sq: flag for cqp db to ring 3796 */ 3797 enum irdma_status_code irdma_sc_ceq_destroy(struct irdma_sc_ceq *ceq, u64 scratch, 3798 bool post_sq) 3799 { 3800 struct irdma_sc_cqp *cqp; 3801 __le64 *wqe; 3802 u64 hdr; 3803 3804 cqp = ceq->dev->cqp; 3805 wqe = irdma_sc_cqp_get_next_send_wqe(cqp, scratch); 3806 if (!wqe) 3807 return IRDMA_ERR_RING_FULL; 3808 3809 set_64bit_val(wqe, 16, ceq->elem_cnt); 3810 set_64bit_val(wqe, 48, ceq->first_pm_pbl_idx); 3811 hdr = ceq->ceq_id | 3812 FIELD_PREP(IRDMA_CQPSQ_OPCODE, IRDMA_CQP_OP_DESTROY_CEQ) | 3813 FIELD_PREP(IRDMA_CQPSQ_CEQ_LPBLSIZE, ceq->pbl_chunk_size) | 3814 FIELD_PREP(IRDMA_CQPSQ_CEQ_VMAP, ceq->virtual_map) | 3815 FIELD_PREP(IRDMA_CQPSQ_TPHEN, ceq->tph_en) | 3816 FIELD_PREP(IRDMA_CQPSQ_WQEVALID, cqp->polarity); 3817 dma_wmb(); /* make sure WQE is written before valid bit is set */ 3818 3819 set_64bit_val(wqe, 24, hdr); 3820 3821 print_hex_dump_debug("WQE: CEQ_DESTROY WQE", DUMP_PREFIX_OFFSET, 16, 3822 8, wqe, IRDMA_CQP_WQE_SIZE * 8, false); 3823 if (post_sq) 3824 irdma_sc_cqp_post_sq(cqp); 3825 3826 return 0; 3827 } 3828 3829 /** 3830 * irdma_sc_process_ceq - process ceq 3831 * @dev: sc device struct 3832 * @ceq: ceq sc structure 3833 * 3834 * It is expected caller serializes this function with cleanup_ceqes() 3835 * because these functions manipulate the same ceq 3836 */ 3837 void *irdma_sc_process_ceq(struct irdma_sc_dev *dev, struct irdma_sc_ceq *ceq) 3838 { 3839 u64 temp; 3840 __le64 *ceqe; 3841 struct irdma_sc_cq *cq = NULL; 3842 struct irdma_sc_cq *temp_cq; 3843 u8 polarity; 3844 u32 cq_idx; 3845 unsigned long flags; 3846 3847 do { 3848 cq_idx = 0; 3849 ceqe = IRDMA_GET_CURRENT_CEQ_ELEM(ceq); 3850 get_64bit_val(ceqe, 0, &temp); 3851 polarity = (u8)FIELD_GET(IRDMA_CEQE_VALID, temp); 3852 if (polarity != ceq->polarity) 3853 return NULL; 3854 3855 temp_cq = (struct irdma_sc_cq *)(unsigned long)(temp << 1); 3856 if (!temp_cq) { 3857 cq_idx = IRDMA_INVALID_CQ_IDX; 3858 IRDMA_RING_MOVE_TAIL(ceq->ceq_ring); 3859 3860 if (!IRDMA_RING_CURRENT_TAIL(ceq->ceq_ring)) 3861 ceq->polarity ^= 1; 3862 continue; 3863 } 3864 3865 cq = temp_cq; 3866 if (ceq->reg_cq) { 3867 spin_lock_irqsave(&ceq->req_cq_lock, flags); 3868 cq_idx = irdma_sc_find_reg_cq(ceq, cq); 3869 spin_unlock_irqrestore(&ceq->req_cq_lock, flags); 3870 } 3871 3872 IRDMA_RING_MOVE_TAIL(ceq->ceq_ring); 3873 if (!IRDMA_RING_CURRENT_TAIL(ceq->ceq_ring)) 3874 ceq->polarity ^= 1; 3875 } while (cq_idx == IRDMA_INVALID_CQ_IDX); 3876 3877 if (cq) 3878 irdma_sc_cq_ack(cq); 3879 return cq; 3880 } 3881 3882 /** 3883 * irdma_sc_cleanup_ceqes - clear the valid ceqes ctx matching the cq 3884 * @cq: cq for which the ceqes need to be cleaned up 3885 * @ceq: ceq ptr 3886 * 3887 * The function is called after the cq is destroyed to cleanup 3888 * its pending ceqe entries. It is expected caller serializes this 3889 * function with process_ceq() in interrupt context. 3890 */ 3891 void irdma_sc_cleanup_ceqes(struct irdma_sc_cq *cq, struct irdma_sc_ceq *ceq) 3892 { 3893 struct irdma_sc_cq *next_cq; 3894 u8 ceq_polarity = ceq->polarity; 3895 __le64 *ceqe; 3896 u8 polarity; 3897 u64 temp; 3898 int next; 3899 u32 i; 3900 3901 next = IRDMA_RING_GET_NEXT_TAIL(ceq->ceq_ring, 0); 3902 3903 for (i = 1; i <= IRDMA_RING_SIZE(*ceq); i++) { 3904 ceqe = IRDMA_GET_CEQ_ELEM_AT_POS(ceq, next); 3905 3906 get_64bit_val(ceqe, 0, &temp); 3907 polarity = (u8)FIELD_GET(IRDMA_CEQE_VALID, temp); 3908 if (polarity != ceq_polarity) 3909 return; 3910 3911 next_cq = (struct irdma_sc_cq *)(unsigned long)(temp << 1); 3912 if (cq == next_cq) 3913 set_64bit_val(ceqe, 0, temp & IRDMA_CEQE_VALID); 3914 3915 next = IRDMA_RING_GET_NEXT_TAIL(ceq->ceq_ring, i); 3916 if (!next) 3917 ceq_polarity ^= 1; 3918 } 3919 } 3920 3921 /** 3922 * irdma_sc_aeq_init - initialize aeq 3923 * @aeq: aeq structure ptr 3924 * @info: aeq initialization info 3925 */ 3926 enum irdma_status_code irdma_sc_aeq_init(struct irdma_sc_aeq *aeq, 3927 struct irdma_aeq_init_info *info) 3928 { 3929 u32 pble_obj_cnt; 3930 3931 if (info->elem_cnt < info->dev->hw_attrs.min_hw_aeq_size || 3932 info->elem_cnt > info->dev->hw_attrs.max_hw_aeq_size) 3933 return IRDMA_ERR_INVALID_SIZE; 3934 3935 pble_obj_cnt = info->dev->hmc_info->hmc_obj[IRDMA_HMC_IW_PBLE].cnt; 3936 3937 if (info->virtual_map && info->first_pm_pbl_idx >= pble_obj_cnt) 3938 return IRDMA_ERR_INVALID_PBLE_INDEX; 3939 3940 aeq->size = sizeof(*aeq); 3941 aeq->polarity = 1; 3942 aeq->aeqe_base = (struct irdma_sc_aeqe *)info->aeqe_base; 3943 aeq->dev = info->dev; 3944 aeq->elem_cnt = info->elem_cnt; 3945 aeq->aeq_elem_pa = info->aeq_elem_pa; 3946 IRDMA_RING_INIT(aeq->aeq_ring, aeq->elem_cnt); 3947 aeq->virtual_map = info->virtual_map; 3948 aeq->pbl_list = (aeq->virtual_map ? info->pbl_list : NULL); 3949 aeq->pbl_chunk_size = (aeq->virtual_map ? info->pbl_chunk_size : 0); 3950 aeq->first_pm_pbl_idx = (aeq->virtual_map ? info->first_pm_pbl_idx : 0); 3951 aeq->msix_idx = info->msix_idx; 3952 info->dev->aeq = aeq; 3953 3954 return 0; 3955 } 3956 3957 /** 3958 * irdma_sc_aeq_create - create aeq 3959 * @aeq: aeq structure ptr 3960 * @scratch: u64 saved to be used during cqp completion 3961 * @post_sq: flag for cqp db to ring 3962 */ 3963 static enum irdma_status_code irdma_sc_aeq_create(struct irdma_sc_aeq *aeq, 3964 u64 scratch, bool post_sq) 3965 { 3966 __le64 *wqe; 3967 struct irdma_sc_cqp *cqp; 3968 u64 hdr; 3969 3970 cqp = aeq->dev->cqp; 3971 wqe = irdma_sc_cqp_get_next_send_wqe(cqp, scratch); 3972 if (!wqe) 3973 return IRDMA_ERR_RING_FULL; 3974 set_64bit_val(wqe, 16, aeq->elem_cnt); 3975 set_64bit_val(wqe, 32, 3976 (aeq->virtual_map ? 0 : aeq->aeq_elem_pa)); 3977 set_64bit_val(wqe, 48, 3978 (aeq->virtual_map ? aeq->first_pm_pbl_idx : 0)); 3979 3980 hdr = FIELD_PREP(IRDMA_CQPSQ_OPCODE, IRDMA_CQP_OP_CREATE_AEQ) | 3981 FIELD_PREP(IRDMA_CQPSQ_AEQ_LPBLSIZE, aeq->pbl_chunk_size) | 3982 FIELD_PREP(IRDMA_CQPSQ_AEQ_VMAP, aeq->virtual_map) | 3983 FIELD_PREP(IRDMA_CQPSQ_WQEVALID, cqp->polarity); 3984 dma_wmb(); /* make sure WQE is written before valid bit is set */ 3985 3986 set_64bit_val(wqe, 24, hdr); 3987 3988 print_hex_dump_debug("WQE: AEQ_CREATE WQE", DUMP_PREFIX_OFFSET, 16, 8, 3989 wqe, IRDMA_CQP_WQE_SIZE * 8, false); 3990 if (post_sq) 3991 irdma_sc_cqp_post_sq(cqp); 3992 3993 return 0; 3994 } 3995 3996 /** 3997 * irdma_sc_aeq_destroy - destroy aeq during close 3998 * @aeq: aeq structure ptr 3999 * @scratch: u64 saved to be used during cqp completion 4000 * @post_sq: flag for cqp db to ring 4001 */ 4002 static enum irdma_status_code irdma_sc_aeq_destroy(struct irdma_sc_aeq *aeq, 4003 u64 scratch, bool post_sq) 4004 { 4005 __le64 *wqe; 4006 struct irdma_sc_cqp *cqp; 4007 struct irdma_sc_dev *dev; 4008 u64 hdr; 4009 4010 dev = aeq->dev; 4011 writel(0, dev->hw_regs[IRDMA_PFINT_AEQCTL]); 4012 4013 cqp = dev->cqp; 4014 wqe = irdma_sc_cqp_get_next_send_wqe(cqp, scratch); 4015 if (!wqe) 4016 return IRDMA_ERR_RING_FULL; 4017 set_64bit_val(wqe, 16, aeq->elem_cnt); 4018 set_64bit_val(wqe, 48, aeq->first_pm_pbl_idx); 4019 hdr = FIELD_PREP(IRDMA_CQPSQ_OPCODE, IRDMA_CQP_OP_DESTROY_AEQ) | 4020 FIELD_PREP(IRDMA_CQPSQ_AEQ_LPBLSIZE, aeq->pbl_chunk_size) | 4021 FIELD_PREP(IRDMA_CQPSQ_AEQ_VMAP, aeq->virtual_map) | 4022 FIELD_PREP(IRDMA_CQPSQ_WQEVALID, cqp->polarity); 4023 dma_wmb(); /* make sure WQE is written before valid bit is set */ 4024 4025 set_64bit_val(wqe, 24, hdr); 4026 4027 print_hex_dump_debug("WQE: AEQ_DESTROY WQE", DUMP_PREFIX_OFFSET, 16, 4028 8, wqe, IRDMA_CQP_WQE_SIZE * 8, false); 4029 if (post_sq) 4030 irdma_sc_cqp_post_sq(cqp); 4031 return 0; 4032 } 4033 4034 /** 4035 * irdma_sc_get_next_aeqe - get next aeq entry 4036 * @aeq: aeq structure ptr 4037 * @info: aeqe info to be returned 4038 */ 4039 enum irdma_status_code irdma_sc_get_next_aeqe(struct irdma_sc_aeq *aeq, 4040 struct irdma_aeqe_info *info) 4041 { 4042 u64 temp, compl_ctx; 4043 __le64 *aeqe; 4044 u16 wqe_idx; 4045 u8 ae_src; 4046 u8 polarity; 4047 4048 aeqe = IRDMA_GET_CURRENT_AEQ_ELEM(aeq); 4049 get_64bit_val(aeqe, 0, &compl_ctx); 4050 get_64bit_val(aeqe, 8, &temp); 4051 polarity = (u8)FIELD_GET(IRDMA_AEQE_VALID, temp); 4052 4053 if (aeq->polarity != polarity) 4054 return IRDMA_ERR_Q_EMPTY; 4055 4056 print_hex_dump_debug("WQE: AEQ_ENTRY WQE", DUMP_PREFIX_OFFSET, 16, 8, 4057 aeqe, 16, false); 4058 4059 ae_src = (u8)FIELD_GET(IRDMA_AEQE_AESRC, temp); 4060 wqe_idx = (u16)FIELD_GET(IRDMA_AEQE_WQDESCIDX, temp); 4061 info->qp_cq_id = (u32)FIELD_GET(IRDMA_AEQE_QPCQID_LOW, temp) | 4062 ((u32)FIELD_GET(IRDMA_AEQE_QPCQID_HI, temp) << 18); 4063 info->ae_id = (u16)FIELD_GET(IRDMA_AEQE_AECODE, temp); 4064 info->tcp_state = (u8)FIELD_GET(IRDMA_AEQE_TCPSTATE, temp); 4065 info->iwarp_state = (u8)FIELD_GET(IRDMA_AEQE_IWSTATE, temp); 4066 info->q2_data_written = (u8)FIELD_GET(IRDMA_AEQE_Q2DATA, temp); 4067 info->aeqe_overflow = (bool)FIELD_GET(IRDMA_AEQE_OVERFLOW, temp); 4068 4069 info->ae_src = ae_src; 4070 switch (info->ae_id) { 4071 case IRDMA_AE_PRIV_OPERATION_DENIED: 4072 case IRDMA_AE_AMP_INVALIDATE_TYPE1_MW: 4073 case IRDMA_AE_AMP_MWBIND_ZERO_BASED_TYPE1_MW: 4074 case IRDMA_AE_AMP_FASTREG_INVALID_PBL_HPS_CFG: 4075 case IRDMA_AE_AMP_FASTREG_PBLE_MISMATCH: 4076 case IRDMA_AE_UDA_XMIT_DGRAM_TOO_LONG: 4077 case IRDMA_AE_UDA_XMIT_BAD_PD: 4078 case IRDMA_AE_UDA_XMIT_DGRAM_TOO_SHORT: 4079 case IRDMA_AE_BAD_CLOSE: 4080 case IRDMA_AE_RDMA_READ_WHILE_ORD_ZERO: 4081 case IRDMA_AE_STAG_ZERO_INVALID: 4082 case IRDMA_AE_IB_RREQ_AND_Q1_FULL: 4083 case IRDMA_AE_IB_INVALID_REQUEST: 4084 case IRDMA_AE_WQE_UNEXPECTED_OPCODE: 4085 case IRDMA_AE_IB_REMOTE_ACCESS_ERROR: 4086 case IRDMA_AE_IB_REMOTE_OP_ERROR: 4087 case IRDMA_AE_DDP_UBE_INVALID_DDP_VERSION: 4088 case IRDMA_AE_DDP_UBE_INVALID_MO: 4089 case IRDMA_AE_DDP_UBE_INVALID_QN: 4090 case IRDMA_AE_DDP_NO_L_BIT: 4091 case IRDMA_AE_RDMAP_ROE_INVALID_RDMAP_VERSION: 4092 case IRDMA_AE_RDMAP_ROE_UNEXPECTED_OPCODE: 4093 case IRDMA_AE_ROE_INVALID_RDMA_READ_REQUEST: 4094 case IRDMA_AE_ROE_INVALID_RDMA_WRITE_OR_READ_RESP: 4095 case IRDMA_AE_ROCE_RSP_LENGTH_ERROR: 4096 case IRDMA_AE_INVALID_ARP_ENTRY: 4097 case IRDMA_AE_INVALID_TCP_OPTION_RCVD: 4098 case IRDMA_AE_STALE_ARP_ENTRY: 4099 case IRDMA_AE_INVALID_AH_ENTRY: 4100 case IRDMA_AE_LLP_RECEIVED_MPA_CRC_ERROR: 4101 case IRDMA_AE_LLP_SEGMENT_TOO_SMALL: 4102 case IRDMA_AE_LLP_TOO_MANY_RETRIES: 4103 case IRDMA_AE_LLP_DOUBT_REACHABILITY: 4104 case IRDMA_AE_LLP_CONNECTION_ESTABLISHED: 4105 case IRDMA_AE_RESET_SENT: 4106 case IRDMA_AE_TERMINATE_SENT: 4107 case IRDMA_AE_RESET_NOT_SENT: 4108 case IRDMA_AE_LCE_QP_CATASTROPHIC: 4109 case IRDMA_AE_QP_SUSPEND_COMPLETE: 4110 case IRDMA_AE_UDA_L4LEN_INVALID: 4111 info->qp = true; 4112 info->compl_ctx = compl_ctx; 4113 break; 4114 case IRDMA_AE_LCE_CQ_CATASTROPHIC: 4115 info->cq = true; 4116 info->compl_ctx = compl_ctx << 1; 4117 ae_src = IRDMA_AE_SOURCE_RSVD; 4118 break; 4119 case IRDMA_AE_ROCE_EMPTY_MCG: 4120 case IRDMA_AE_ROCE_BAD_MC_IP_ADDR: 4121 case IRDMA_AE_ROCE_BAD_MC_QPID: 4122 case IRDMA_AE_MCG_QP_PROTOCOL_MISMATCH: 4123 fallthrough; 4124 case IRDMA_AE_LLP_CONNECTION_RESET: 4125 case IRDMA_AE_LLP_SYN_RECEIVED: 4126 case IRDMA_AE_LLP_FIN_RECEIVED: 4127 case IRDMA_AE_LLP_CLOSE_COMPLETE: 4128 case IRDMA_AE_LLP_TERMINATE_RECEIVED: 4129 case IRDMA_AE_RDMAP_ROE_BAD_LLP_CLOSE: 4130 ae_src = IRDMA_AE_SOURCE_RSVD; 4131 info->qp = true; 4132 info->compl_ctx = compl_ctx; 4133 break; 4134 default: 4135 break; 4136 } 4137 4138 switch (ae_src) { 4139 case IRDMA_AE_SOURCE_RQ: 4140 case IRDMA_AE_SOURCE_RQ_0011: 4141 info->qp = true; 4142 info->rq = true; 4143 info->wqe_idx = wqe_idx; 4144 info->compl_ctx = compl_ctx; 4145 break; 4146 case IRDMA_AE_SOURCE_CQ: 4147 case IRDMA_AE_SOURCE_CQ_0110: 4148 case IRDMA_AE_SOURCE_CQ_1010: 4149 case IRDMA_AE_SOURCE_CQ_1110: 4150 info->cq = true; 4151 info->compl_ctx = compl_ctx << 1; 4152 break; 4153 case IRDMA_AE_SOURCE_SQ: 4154 case IRDMA_AE_SOURCE_SQ_0111: 4155 info->qp = true; 4156 info->sq = true; 4157 info->wqe_idx = wqe_idx; 4158 info->compl_ctx = compl_ctx; 4159 break; 4160 case IRDMA_AE_SOURCE_IN_RR_WR: 4161 case IRDMA_AE_SOURCE_IN_RR_WR_1011: 4162 info->qp = true; 4163 info->compl_ctx = compl_ctx; 4164 info->in_rdrsp_wr = true; 4165 break; 4166 case IRDMA_AE_SOURCE_OUT_RR: 4167 case IRDMA_AE_SOURCE_OUT_RR_1111: 4168 info->qp = true; 4169 info->compl_ctx = compl_ctx; 4170 info->out_rdrsp = true; 4171 break; 4172 case IRDMA_AE_SOURCE_RSVD: 4173 default: 4174 break; 4175 } 4176 4177 IRDMA_RING_MOVE_TAIL(aeq->aeq_ring); 4178 if (!IRDMA_RING_CURRENT_TAIL(aeq->aeq_ring)) 4179 aeq->polarity ^= 1; 4180 4181 return 0; 4182 } 4183 4184 /** 4185 * irdma_sc_repost_aeq_entries - repost completed aeq entries 4186 * @dev: sc device struct 4187 * @count: allocate count 4188 */ 4189 void irdma_sc_repost_aeq_entries(struct irdma_sc_dev *dev, u32 count) 4190 { 4191 writel(count, dev->hw_regs[IRDMA_AEQALLOC]); 4192 } 4193 4194 /** 4195 * irdma_sc_ccq_init - initialize control cq 4196 * @cq: sc's cq ctruct 4197 * @info: info for control cq initialization 4198 */ 4199 enum irdma_status_code irdma_sc_ccq_init(struct irdma_sc_cq *cq, 4200 struct irdma_ccq_init_info *info) 4201 { 4202 u32 pble_obj_cnt; 4203 4204 if (info->num_elem < info->dev->hw_attrs.uk_attrs.min_hw_cq_size || 4205 info->num_elem > info->dev->hw_attrs.uk_attrs.max_hw_cq_size) 4206 return IRDMA_ERR_INVALID_SIZE; 4207 4208 if (info->ceq_id > (info->dev->hmc_fpm_misc.max_ceqs - 1)) 4209 return IRDMA_ERR_INVALID_CEQ_ID; 4210 4211 pble_obj_cnt = info->dev->hmc_info->hmc_obj[IRDMA_HMC_IW_PBLE].cnt; 4212 4213 if (info->virtual_map && info->first_pm_pbl_idx >= pble_obj_cnt) 4214 return IRDMA_ERR_INVALID_PBLE_INDEX; 4215 4216 cq->cq_pa = info->cq_pa; 4217 cq->cq_uk.cq_base = info->cq_base; 4218 cq->shadow_area_pa = info->shadow_area_pa; 4219 cq->cq_uk.shadow_area = info->shadow_area; 4220 cq->shadow_read_threshold = info->shadow_read_threshold; 4221 cq->dev = info->dev; 4222 cq->ceq_id = info->ceq_id; 4223 cq->cq_uk.cq_size = info->num_elem; 4224 cq->cq_type = IRDMA_CQ_TYPE_CQP; 4225 cq->ceqe_mask = info->ceqe_mask; 4226 IRDMA_RING_INIT(cq->cq_uk.cq_ring, info->num_elem); 4227 cq->cq_uk.cq_id = 0; /* control cq is id 0 always */ 4228 cq->ceq_id_valid = info->ceq_id_valid; 4229 cq->tph_en = info->tph_en; 4230 cq->tph_val = info->tph_val; 4231 cq->cq_uk.avoid_mem_cflct = info->avoid_mem_cflct; 4232 cq->pbl_list = info->pbl_list; 4233 cq->virtual_map = info->virtual_map; 4234 cq->pbl_chunk_size = info->pbl_chunk_size; 4235 cq->first_pm_pbl_idx = info->first_pm_pbl_idx; 4236 cq->cq_uk.polarity = true; 4237 cq->vsi = info->vsi; 4238 cq->cq_uk.cq_ack_db = cq->dev->cq_ack_db; 4239 4240 /* Only applicable to CQs other than CCQ so initialize to zero */ 4241 cq->cq_uk.cqe_alloc_db = NULL; 4242 4243 info->dev->ccq = cq; 4244 return 0; 4245 } 4246 4247 /** 4248 * irdma_sc_ccq_create_done - poll cqp for ccq create 4249 * @ccq: ccq sc struct 4250 */ 4251 static inline enum irdma_status_code irdma_sc_ccq_create_done(struct irdma_sc_cq *ccq) 4252 { 4253 struct irdma_sc_cqp *cqp; 4254 4255 cqp = ccq->dev->cqp; 4256 4257 return irdma_sc_poll_for_cqp_op_done(cqp, IRDMA_CQP_OP_CREATE_CQ, NULL); 4258 } 4259 4260 /** 4261 * irdma_sc_ccq_create - create control cq 4262 * @ccq: ccq sc struct 4263 * @scratch: u64 saved to be used during cqp completion 4264 * @check_overflow: overlow flag for ccq 4265 * @post_sq: flag for cqp db to ring 4266 */ 4267 enum irdma_status_code irdma_sc_ccq_create(struct irdma_sc_cq *ccq, u64 scratch, 4268 bool check_overflow, bool post_sq) 4269 { 4270 enum irdma_status_code ret_code; 4271 4272 ret_code = irdma_sc_cq_create(ccq, scratch, check_overflow, post_sq); 4273 if (ret_code) 4274 return ret_code; 4275 4276 if (post_sq) { 4277 ret_code = irdma_sc_ccq_create_done(ccq); 4278 if (ret_code) 4279 return ret_code; 4280 } 4281 ccq->dev->cqp->process_cqp_sds = irdma_cqp_sds_cmd; 4282 4283 return 0; 4284 } 4285 4286 /** 4287 * irdma_sc_ccq_destroy - destroy ccq during close 4288 * @ccq: ccq sc struct 4289 * @scratch: u64 saved to be used during cqp completion 4290 * @post_sq: flag for cqp db to ring 4291 */ 4292 enum irdma_status_code irdma_sc_ccq_destroy(struct irdma_sc_cq *ccq, u64 scratch, 4293 bool post_sq) 4294 { 4295 struct irdma_sc_cqp *cqp; 4296 __le64 *wqe; 4297 u64 hdr; 4298 enum irdma_status_code ret_code = 0; 4299 u32 tail, val, error; 4300 4301 cqp = ccq->dev->cqp; 4302 wqe = irdma_sc_cqp_get_next_send_wqe(cqp, scratch); 4303 if (!wqe) 4304 return IRDMA_ERR_RING_FULL; 4305 4306 set_64bit_val(wqe, 0, ccq->cq_uk.cq_size); 4307 set_64bit_val(wqe, 8, (uintptr_t)ccq >> 1); 4308 set_64bit_val(wqe, 40, ccq->shadow_area_pa); 4309 4310 hdr = ccq->cq_uk.cq_id | 4311 FLD_LS_64(ccq->dev, (ccq->ceq_id_valid ? ccq->ceq_id : 0), 4312 IRDMA_CQPSQ_CQ_CEQID) | 4313 FIELD_PREP(IRDMA_CQPSQ_OPCODE, IRDMA_CQP_OP_DESTROY_CQ) | 4314 FIELD_PREP(IRDMA_CQPSQ_CQ_ENCEQEMASK, ccq->ceqe_mask) | 4315 FIELD_PREP(IRDMA_CQPSQ_CQ_CEQIDVALID, ccq->ceq_id_valid) | 4316 FIELD_PREP(IRDMA_CQPSQ_TPHEN, ccq->tph_en) | 4317 FIELD_PREP(IRDMA_CQPSQ_CQ_AVOIDMEMCNFLCT, ccq->cq_uk.avoid_mem_cflct) | 4318 FIELD_PREP(IRDMA_CQPSQ_WQEVALID, cqp->polarity); 4319 dma_wmb(); /* make sure WQE is written before valid bit is set */ 4320 4321 set_64bit_val(wqe, 24, hdr); 4322 4323 print_hex_dump_debug("WQE: CCQ_DESTROY WQE", DUMP_PREFIX_OFFSET, 16, 4324 8, wqe, IRDMA_CQP_WQE_SIZE * 8, false); 4325 irdma_get_cqp_reg_info(cqp, &val, &tail, &error); 4326 4327 if (post_sq) { 4328 irdma_sc_cqp_post_sq(cqp); 4329 ret_code = irdma_cqp_poll_registers(cqp, tail, 4330 cqp->dev->hw_attrs.max_done_count); 4331 } 4332 4333 cqp->process_cqp_sds = irdma_update_sds_noccq; 4334 4335 return ret_code; 4336 } 4337 4338 /** 4339 * irdma_sc_init_iw_hmc() - queries fpm values using cqp and populates hmc_info 4340 * @dev : ptr to irdma_dev struct 4341 * @hmc_fn_id: hmc function id 4342 */ 4343 enum irdma_status_code irdma_sc_init_iw_hmc(struct irdma_sc_dev *dev, 4344 u8 hmc_fn_id) 4345 { 4346 struct irdma_hmc_info *hmc_info; 4347 struct irdma_hmc_fpm_misc *hmc_fpm_misc; 4348 struct irdma_dma_mem query_fpm_mem; 4349 enum irdma_status_code ret_code = 0; 4350 u8 wait_type; 4351 4352 hmc_info = dev->hmc_info; 4353 hmc_fpm_misc = &dev->hmc_fpm_misc; 4354 query_fpm_mem.pa = dev->fpm_query_buf_pa; 4355 query_fpm_mem.va = dev->fpm_query_buf; 4356 hmc_info->hmc_fn_id = hmc_fn_id; 4357 wait_type = (u8)IRDMA_CQP_WAIT_POLL_REGS; 4358 4359 ret_code = irdma_sc_query_fpm_val(dev->cqp, 0, hmc_info->hmc_fn_id, 4360 &query_fpm_mem, true, wait_type); 4361 if (ret_code) 4362 return ret_code; 4363 4364 /* parse the fpm_query_buf and fill hmc obj info */ 4365 ret_code = irdma_sc_parse_fpm_query_buf(dev, query_fpm_mem.va, hmc_info, 4366 hmc_fpm_misc); 4367 4368 print_hex_dump_debug("HMC: QUERY FPM BUFFER", DUMP_PREFIX_OFFSET, 16, 4369 8, query_fpm_mem.va, IRDMA_QUERY_FPM_BUF_SIZE, 4370 false); 4371 return ret_code; 4372 } 4373 4374 /** 4375 * irdma_sc_cfg_iw_fpm() - commits hmc obj cnt values using cqp 4376 * command and populates fpm base address in hmc_info 4377 * @dev : ptr to irdma_dev struct 4378 * @hmc_fn_id: hmc function id 4379 */ 4380 static enum irdma_status_code irdma_sc_cfg_iw_fpm(struct irdma_sc_dev *dev, 4381 u8 hmc_fn_id) 4382 { 4383 struct irdma_hmc_info *hmc_info; 4384 struct irdma_hmc_obj_info *obj_info; 4385 __le64 *buf; 4386 struct irdma_dma_mem commit_fpm_mem; 4387 enum irdma_status_code ret_code = 0; 4388 u8 wait_type; 4389 4390 hmc_info = dev->hmc_info; 4391 obj_info = hmc_info->hmc_obj; 4392 buf = dev->fpm_commit_buf; 4393 4394 set_64bit_val(buf, 0, (u64)obj_info[IRDMA_HMC_IW_QP].cnt); 4395 set_64bit_val(buf, 8, (u64)obj_info[IRDMA_HMC_IW_CQ].cnt); 4396 set_64bit_val(buf, 16, (u64)0); /* RSRVD */ 4397 set_64bit_val(buf, 24, (u64)obj_info[IRDMA_HMC_IW_HTE].cnt); 4398 set_64bit_val(buf, 32, (u64)obj_info[IRDMA_HMC_IW_ARP].cnt); 4399 set_64bit_val(buf, 40, (u64)0); /* RSVD */ 4400 set_64bit_val(buf, 48, (u64)obj_info[IRDMA_HMC_IW_MR].cnt); 4401 set_64bit_val(buf, 56, (u64)obj_info[IRDMA_HMC_IW_XF].cnt); 4402 set_64bit_val(buf, 64, (u64)obj_info[IRDMA_HMC_IW_XFFL].cnt); 4403 set_64bit_val(buf, 72, (u64)obj_info[IRDMA_HMC_IW_Q1].cnt); 4404 set_64bit_val(buf, 80, (u64)obj_info[IRDMA_HMC_IW_Q1FL].cnt); 4405 set_64bit_val(buf, 88, 4406 (u64)obj_info[IRDMA_HMC_IW_TIMER].cnt); 4407 set_64bit_val(buf, 96, 4408 (u64)obj_info[IRDMA_HMC_IW_FSIMC].cnt); 4409 set_64bit_val(buf, 104, 4410 (u64)obj_info[IRDMA_HMC_IW_FSIAV].cnt); 4411 set_64bit_val(buf, 112, 4412 (u64)obj_info[IRDMA_HMC_IW_PBLE].cnt); 4413 set_64bit_val(buf, 120, (u64)0); /* RSVD */ 4414 set_64bit_val(buf, 128, (u64)obj_info[IRDMA_HMC_IW_RRF].cnt); 4415 set_64bit_val(buf, 136, 4416 (u64)obj_info[IRDMA_HMC_IW_RRFFL].cnt); 4417 set_64bit_val(buf, 144, (u64)obj_info[IRDMA_HMC_IW_HDR].cnt); 4418 set_64bit_val(buf, 152, (u64)obj_info[IRDMA_HMC_IW_MD].cnt); 4419 set_64bit_val(buf, 160, 4420 (u64)obj_info[IRDMA_HMC_IW_OOISC].cnt); 4421 set_64bit_val(buf, 168, 4422 (u64)obj_info[IRDMA_HMC_IW_OOISCFFL].cnt); 4423 4424 commit_fpm_mem.pa = dev->fpm_commit_buf_pa; 4425 commit_fpm_mem.va = dev->fpm_commit_buf; 4426 4427 wait_type = (u8)IRDMA_CQP_WAIT_POLL_REGS; 4428 print_hex_dump_debug("HMC: COMMIT FPM BUFFER", DUMP_PREFIX_OFFSET, 16, 4429 8, commit_fpm_mem.va, IRDMA_COMMIT_FPM_BUF_SIZE, 4430 false); 4431 ret_code = irdma_sc_commit_fpm_val(dev->cqp, 0, hmc_info->hmc_fn_id, 4432 &commit_fpm_mem, true, wait_type); 4433 if (!ret_code) 4434 irdma_sc_parse_fpm_commit_buf(dev, dev->fpm_commit_buf, 4435 hmc_info->hmc_obj, 4436 &hmc_info->sd_table.sd_cnt); 4437 print_hex_dump_debug("HMC: COMMIT FPM BUFFER", DUMP_PREFIX_OFFSET, 16, 4438 8, commit_fpm_mem.va, IRDMA_COMMIT_FPM_BUF_SIZE, 4439 false); 4440 4441 return ret_code; 4442 } 4443 4444 /** 4445 * cqp_sds_wqe_fill - fill cqp wqe doe sd 4446 * @cqp: struct for cqp hw 4447 * @info: sd info for wqe 4448 * @scratch: u64 saved to be used during cqp completion 4449 */ 4450 static enum irdma_status_code 4451 cqp_sds_wqe_fill(struct irdma_sc_cqp *cqp, struct irdma_update_sds_info *info, 4452 u64 scratch) 4453 { 4454 u64 data; 4455 u64 hdr; 4456 __le64 *wqe; 4457 int mem_entries, wqe_entries; 4458 struct irdma_dma_mem *sdbuf = &cqp->sdbuf; 4459 u64 offset = 0; 4460 u32 wqe_idx; 4461 4462 wqe = irdma_sc_cqp_get_next_send_wqe_idx(cqp, scratch, &wqe_idx); 4463 if (!wqe) 4464 return IRDMA_ERR_RING_FULL; 4465 4466 wqe_entries = (info->cnt > 3) ? 3 : info->cnt; 4467 mem_entries = info->cnt - wqe_entries; 4468 4469 if (mem_entries) { 4470 offset = wqe_idx * IRDMA_UPDATE_SD_BUFF_SIZE; 4471 memcpy(((char *)sdbuf->va + offset), &info->entry[3], mem_entries << 4); 4472 4473 data = (u64)sdbuf->pa + offset; 4474 } else { 4475 data = 0; 4476 } 4477 data |= FIELD_PREP(IRDMA_CQPSQ_UPESD_HMCFNID, info->hmc_fn_id); 4478 set_64bit_val(wqe, 16, data); 4479 4480 switch (wqe_entries) { 4481 case 3: 4482 set_64bit_val(wqe, 48, 4483 (FIELD_PREP(IRDMA_CQPSQ_UPESD_SDCMD, info->entry[2].cmd) | 4484 FIELD_PREP(IRDMA_CQPSQ_UPESD_ENTRY_VALID, 1))); 4485 4486 set_64bit_val(wqe, 56, info->entry[2].data); 4487 fallthrough; 4488 case 2: 4489 set_64bit_val(wqe, 32, 4490 (FIELD_PREP(IRDMA_CQPSQ_UPESD_SDCMD, info->entry[1].cmd) | 4491 FIELD_PREP(IRDMA_CQPSQ_UPESD_ENTRY_VALID, 1))); 4492 4493 set_64bit_val(wqe, 40, info->entry[1].data); 4494 fallthrough; 4495 case 1: 4496 set_64bit_val(wqe, 0, 4497 FIELD_PREP(IRDMA_CQPSQ_UPESD_SDCMD, info->entry[0].cmd)); 4498 4499 set_64bit_val(wqe, 8, info->entry[0].data); 4500 break; 4501 default: 4502 break; 4503 } 4504 4505 hdr = FIELD_PREP(IRDMA_CQPSQ_OPCODE, IRDMA_CQP_OP_UPDATE_PE_SDS) | 4506 FIELD_PREP(IRDMA_CQPSQ_WQEVALID, cqp->polarity) | 4507 FIELD_PREP(IRDMA_CQPSQ_UPESD_ENTRY_COUNT, mem_entries); 4508 dma_wmb(); /* make sure WQE is written before valid bit is set */ 4509 4510 set_64bit_val(wqe, 24, hdr); 4511 4512 if (mem_entries) 4513 print_hex_dump_debug("WQE: UPDATE_PE_SDS WQE Buffer", 4514 DUMP_PREFIX_OFFSET, 16, 8, 4515 (char *)sdbuf->va + offset, 4516 mem_entries << 4, false); 4517 4518 print_hex_dump_debug("WQE: UPDATE_PE_SDS WQE", DUMP_PREFIX_OFFSET, 16, 4519 8, wqe, IRDMA_CQP_WQE_SIZE * 8, false); 4520 4521 return 0; 4522 } 4523 4524 /** 4525 * irdma_update_pe_sds - cqp wqe for sd 4526 * @dev: ptr to irdma_dev struct 4527 * @info: sd info for sd's 4528 * @scratch: u64 saved to be used during cqp completion 4529 */ 4530 static enum irdma_status_code 4531 irdma_update_pe_sds(struct irdma_sc_dev *dev, 4532 struct irdma_update_sds_info *info, u64 scratch) 4533 { 4534 struct irdma_sc_cqp *cqp = dev->cqp; 4535 enum irdma_status_code ret_code; 4536 4537 ret_code = cqp_sds_wqe_fill(cqp, info, scratch); 4538 if (!ret_code) 4539 irdma_sc_cqp_post_sq(cqp); 4540 4541 return ret_code; 4542 } 4543 4544 /** 4545 * irdma_update_sds_noccq - update sd before ccq created 4546 * @dev: sc device struct 4547 * @info: sd info for sd's 4548 */ 4549 enum irdma_status_code 4550 irdma_update_sds_noccq(struct irdma_sc_dev *dev, 4551 struct irdma_update_sds_info *info) 4552 { 4553 u32 error, val, tail; 4554 struct irdma_sc_cqp *cqp = dev->cqp; 4555 enum irdma_status_code ret_code; 4556 4557 ret_code = cqp_sds_wqe_fill(cqp, info, 0); 4558 if (ret_code) 4559 return ret_code; 4560 4561 irdma_get_cqp_reg_info(cqp, &val, &tail, &error); 4562 4563 irdma_sc_cqp_post_sq(cqp); 4564 return irdma_cqp_poll_registers(cqp, tail, 4565 cqp->dev->hw_attrs.max_done_count); 4566 } 4567 4568 /** 4569 * irdma_sc_static_hmc_pages_allocated - cqp wqe to allocate hmc pages 4570 * @cqp: struct for cqp hw 4571 * @scratch: u64 saved to be used during cqp completion 4572 * @hmc_fn_id: hmc function id 4573 * @post_sq: flag for cqp db to ring 4574 * @poll_registers: flag to poll register for cqp completion 4575 */ 4576 enum irdma_status_code 4577 irdma_sc_static_hmc_pages_allocated(struct irdma_sc_cqp *cqp, u64 scratch, 4578 u8 hmc_fn_id, bool post_sq, 4579 bool poll_registers) 4580 { 4581 u64 hdr; 4582 __le64 *wqe; 4583 u32 tail, val, error; 4584 4585 wqe = irdma_sc_cqp_get_next_send_wqe(cqp, scratch); 4586 if (!wqe) 4587 return IRDMA_ERR_RING_FULL; 4588 4589 set_64bit_val(wqe, 16, 4590 FIELD_PREP(IRDMA_SHMC_PAGE_ALLOCATED_HMC_FN_ID, hmc_fn_id)); 4591 4592 hdr = FIELD_PREP(IRDMA_CQPSQ_OPCODE, 4593 IRDMA_CQP_OP_SHMC_PAGES_ALLOCATED) | 4594 FIELD_PREP(IRDMA_CQPSQ_WQEVALID, cqp->polarity); 4595 dma_wmb(); /* make sure WQE is written before valid bit is set */ 4596 4597 set_64bit_val(wqe, 24, hdr); 4598 4599 print_hex_dump_debug("WQE: SHMC_PAGES_ALLOCATED WQE", 4600 DUMP_PREFIX_OFFSET, 16, 8, wqe, 4601 IRDMA_CQP_WQE_SIZE * 8, false); 4602 irdma_get_cqp_reg_info(cqp, &val, &tail, &error); 4603 4604 if (post_sq) { 4605 irdma_sc_cqp_post_sq(cqp); 4606 if (poll_registers) 4607 /* check for cqp sq tail update */ 4608 return irdma_cqp_poll_registers(cqp, tail, 4609 cqp->dev->hw_attrs.max_done_count); 4610 else 4611 return irdma_sc_poll_for_cqp_op_done(cqp, 4612 IRDMA_CQP_OP_SHMC_PAGES_ALLOCATED, 4613 NULL); 4614 } 4615 4616 return 0; 4617 } 4618 4619 /** 4620 * irdma_cqp_ring_full - check if cqp ring is full 4621 * @cqp: struct for cqp hw 4622 */ 4623 static bool irdma_cqp_ring_full(struct irdma_sc_cqp *cqp) 4624 { 4625 return IRDMA_RING_FULL_ERR(cqp->sq_ring); 4626 } 4627 4628 /** 4629 * irdma_est_sd - returns approximate number of SDs for HMC 4630 * @dev: sc device struct 4631 * @hmc_info: hmc structure, size and count for HMC objects 4632 */ 4633 static u32 irdma_est_sd(struct irdma_sc_dev *dev, 4634 struct irdma_hmc_info *hmc_info) 4635 { 4636 int i; 4637 u64 size = 0; 4638 u64 sd; 4639 4640 for (i = IRDMA_HMC_IW_QP; i < IRDMA_HMC_IW_MAX; i++) 4641 if (i != IRDMA_HMC_IW_PBLE) 4642 size += round_up(hmc_info->hmc_obj[i].cnt * 4643 hmc_info->hmc_obj[i].size, 512); 4644 size += round_up(hmc_info->hmc_obj[IRDMA_HMC_IW_PBLE].cnt * 4645 hmc_info->hmc_obj[IRDMA_HMC_IW_PBLE].size, 512); 4646 if (size & 0x1FFFFF) 4647 sd = (size >> 21) + 1; /* add 1 for remainder */ 4648 else 4649 sd = size >> 21; 4650 if (sd > 0xFFFFFFFF) { 4651 ibdev_dbg(to_ibdev(dev), "HMC: sd overflow[%lld]\n", sd); 4652 sd = 0xFFFFFFFF - 1; 4653 } 4654 4655 return (u32)sd; 4656 } 4657 4658 /** 4659 * irdma_sc_query_rdma_features_done - poll cqp for query features done 4660 * @cqp: struct for cqp hw 4661 */ 4662 static enum irdma_status_code 4663 irdma_sc_query_rdma_features_done(struct irdma_sc_cqp *cqp) 4664 { 4665 return irdma_sc_poll_for_cqp_op_done(cqp, 4666 IRDMA_CQP_OP_QUERY_RDMA_FEATURES, 4667 NULL); 4668 } 4669 4670 /** 4671 * irdma_sc_query_rdma_features - query RDMA features and FW ver 4672 * @cqp: struct for cqp hw 4673 * @buf: buffer to hold query info 4674 * @scratch: u64 saved to be used during cqp completion 4675 */ 4676 static enum irdma_status_code 4677 irdma_sc_query_rdma_features(struct irdma_sc_cqp *cqp, 4678 struct irdma_dma_mem *buf, u64 scratch) 4679 { 4680 __le64 *wqe; 4681 u64 temp; 4682 4683 wqe = irdma_sc_cqp_get_next_send_wqe(cqp, scratch); 4684 if (!wqe) 4685 return IRDMA_ERR_RING_FULL; 4686 4687 temp = buf->pa; 4688 set_64bit_val(wqe, 32, temp); 4689 4690 temp = FIELD_PREP(IRDMA_CQPSQ_QUERY_RDMA_FEATURES_WQEVALID, 4691 cqp->polarity) | 4692 FIELD_PREP(IRDMA_CQPSQ_QUERY_RDMA_FEATURES_BUF_LEN, buf->size) | 4693 FIELD_PREP(IRDMA_CQPSQ_UP_OP, IRDMA_CQP_OP_QUERY_RDMA_FEATURES); 4694 dma_wmb(); /* make sure WQE is written before valid bit is set */ 4695 4696 set_64bit_val(wqe, 24, temp); 4697 4698 print_hex_dump_debug("WQE: QUERY RDMA FEATURES", DUMP_PREFIX_OFFSET, 4699 16, 8, wqe, IRDMA_CQP_WQE_SIZE * 8, false); 4700 irdma_sc_cqp_post_sq(cqp); 4701 4702 return 0; 4703 } 4704 4705 /** 4706 * irdma_get_rdma_features - get RDMA features 4707 * @dev: sc device struct 4708 */ 4709 enum irdma_status_code irdma_get_rdma_features(struct irdma_sc_dev *dev) 4710 { 4711 enum irdma_status_code ret_code; 4712 struct irdma_dma_mem feat_buf; 4713 u64 temp; 4714 u16 byte_idx, feat_type, feat_cnt, feat_idx; 4715 4716 feat_buf.size = ALIGN(IRDMA_FEATURE_BUF_SIZE, 4717 IRDMA_FEATURE_BUF_ALIGNMENT); 4718 feat_buf.va = dma_alloc_coherent(dev->hw->device, feat_buf.size, 4719 &feat_buf.pa, GFP_KERNEL); 4720 if (!feat_buf.va) 4721 return IRDMA_ERR_NO_MEMORY; 4722 4723 ret_code = irdma_sc_query_rdma_features(dev->cqp, &feat_buf, 0); 4724 if (!ret_code) 4725 ret_code = irdma_sc_query_rdma_features_done(dev->cqp); 4726 if (ret_code) 4727 goto exit; 4728 4729 get_64bit_val(feat_buf.va, 0, &temp); 4730 feat_cnt = (u16)FIELD_GET(IRDMA_FEATURE_CNT, temp); 4731 if (feat_cnt < 2) { 4732 ret_code = IRDMA_ERR_INVALID_FEAT_CNT; 4733 goto exit; 4734 } else if (feat_cnt > IRDMA_MAX_FEATURES) { 4735 ibdev_dbg(to_ibdev(dev), 4736 "DEV: feature buf size insufficient, retrying with larger buffer\n"); 4737 dma_free_coherent(dev->hw->device, feat_buf.size, feat_buf.va, 4738 feat_buf.pa); 4739 feat_buf.va = NULL; 4740 feat_buf.size = ALIGN(8 * feat_cnt, 4741 IRDMA_FEATURE_BUF_ALIGNMENT); 4742 feat_buf.va = dma_alloc_coherent(dev->hw->device, 4743 feat_buf.size, &feat_buf.pa, 4744 GFP_KERNEL); 4745 if (!feat_buf.va) 4746 return IRDMA_ERR_NO_MEMORY; 4747 4748 ret_code = irdma_sc_query_rdma_features(dev->cqp, &feat_buf, 0); 4749 if (!ret_code) 4750 ret_code = irdma_sc_query_rdma_features_done(dev->cqp); 4751 if (ret_code) 4752 goto exit; 4753 4754 get_64bit_val(feat_buf.va, 0, &temp); 4755 feat_cnt = (u16)FIELD_GET(IRDMA_FEATURE_CNT, temp); 4756 if (feat_cnt < 2) { 4757 ret_code = IRDMA_ERR_INVALID_FEAT_CNT; 4758 goto exit; 4759 } 4760 } 4761 4762 print_hex_dump_debug("WQE: QUERY RDMA FEATURES", DUMP_PREFIX_OFFSET, 4763 16, 8, feat_buf.va, feat_cnt * 8, false); 4764 4765 for (byte_idx = 0, feat_idx = 0; feat_idx < min(feat_cnt, (u16)IRDMA_MAX_FEATURES); 4766 feat_idx++, byte_idx += 8) { 4767 get_64bit_val(feat_buf.va, byte_idx, &temp); 4768 feat_type = FIELD_GET(IRDMA_FEATURE_TYPE, temp); 4769 if (feat_type >= IRDMA_MAX_FEATURES) { 4770 ibdev_dbg(to_ibdev(dev), 4771 "DEV: found unrecognized feature type %d\n", 4772 feat_type); 4773 continue; 4774 } 4775 dev->feature_info[feat_type] = temp; 4776 } 4777 exit: 4778 dma_free_coherent(dev->hw->device, feat_buf.size, feat_buf.va, 4779 feat_buf.pa); 4780 feat_buf.va = NULL; 4781 return ret_code; 4782 } 4783 4784 static u32 irdma_q1_cnt(struct irdma_sc_dev *dev, 4785 struct irdma_hmc_info *hmc_info, u32 qpwanted) 4786 { 4787 u32 q1_cnt; 4788 4789 if (dev->hw_attrs.uk_attrs.hw_rev == IRDMA_GEN_1) { 4790 q1_cnt = roundup_pow_of_two(dev->hw_attrs.max_hw_ird * 2 * qpwanted); 4791 } else { 4792 if (dev->cqp->protocol_used != IRDMA_IWARP_PROTOCOL_ONLY) 4793 q1_cnt = roundup_pow_of_two(dev->hw_attrs.max_hw_ird * 2 * qpwanted + 512); 4794 else 4795 q1_cnt = dev->hw_attrs.max_hw_ird * 2 * qpwanted; 4796 } 4797 4798 return q1_cnt; 4799 } 4800 4801 static void cfg_fpm_value_gen_1(struct irdma_sc_dev *dev, 4802 struct irdma_hmc_info *hmc_info, u32 qpwanted) 4803 { 4804 hmc_info->hmc_obj[IRDMA_HMC_IW_XF].cnt = roundup_pow_of_two(qpwanted * dev->hw_attrs.max_hw_wqes); 4805 } 4806 4807 static void cfg_fpm_value_gen_2(struct irdma_sc_dev *dev, 4808 struct irdma_hmc_info *hmc_info, u32 qpwanted) 4809 { 4810 struct irdma_hmc_fpm_misc *hmc_fpm_misc = &dev->hmc_fpm_misc; 4811 4812 hmc_info->hmc_obj[IRDMA_HMC_IW_XF].cnt = 4813 4 * hmc_fpm_misc->xf_block_size * qpwanted; 4814 4815 hmc_info->hmc_obj[IRDMA_HMC_IW_HDR].cnt = qpwanted; 4816 4817 if (hmc_info->hmc_obj[IRDMA_HMC_IW_RRF].max_cnt) 4818 hmc_info->hmc_obj[IRDMA_HMC_IW_RRF].cnt = 32 * qpwanted; 4819 if (hmc_info->hmc_obj[IRDMA_HMC_IW_RRFFL].max_cnt) 4820 hmc_info->hmc_obj[IRDMA_HMC_IW_RRFFL].cnt = 4821 hmc_info->hmc_obj[IRDMA_HMC_IW_RRF].cnt / 4822 hmc_fpm_misc->rrf_block_size; 4823 if (hmc_info->hmc_obj[IRDMA_HMC_IW_OOISC].max_cnt) 4824 hmc_info->hmc_obj[IRDMA_HMC_IW_OOISC].cnt = 32 * qpwanted; 4825 if (hmc_info->hmc_obj[IRDMA_HMC_IW_OOISCFFL].max_cnt) 4826 hmc_info->hmc_obj[IRDMA_HMC_IW_OOISCFFL].cnt = 4827 hmc_info->hmc_obj[IRDMA_HMC_IW_OOISC].cnt / 4828 hmc_fpm_misc->ooiscf_block_size; 4829 } 4830 4831 /** 4832 * irdma_cfg_fpm_val - configure HMC objects 4833 * @dev: sc device struct 4834 * @qp_count: desired qp count 4835 */ 4836 enum irdma_status_code irdma_cfg_fpm_val(struct irdma_sc_dev *dev, u32 qp_count) 4837 { 4838 struct irdma_virt_mem virt_mem; 4839 u32 i, mem_size; 4840 u32 qpwanted, mrwanted, pblewanted; 4841 u32 powerof2, hte; 4842 u32 sd_needed; 4843 u32 sd_diff; 4844 u32 loop_count = 0; 4845 struct irdma_hmc_info *hmc_info; 4846 struct irdma_hmc_fpm_misc *hmc_fpm_misc; 4847 enum irdma_status_code ret_code = 0; 4848 4849 hmc_info = dev->hmc_info; 4850 hmc_fpm_misc = &dev->hmc_fpm_misc; 4851 4852 ret_code = irdma_sc_init_iw_hmc(dev, dev->hmc_fn_id); 4853 if (ret_code) { 4854 ibdev_dbg(to_ibdev(dev), 4855 "HMC: irdma_sc_init_iw_hmc returned error_code = %d\n", 4856 ret_code); 4857 return ret_code; 4858 } 4859 4860 for (i = IRDMA_HMC_IW_QP; i < IRDMA_HMC_IW_MAX; i++) 4861 hmc_info->hmc_obj[i].cnt = hmc_info->hmc_obj[i].max_cnt; 4862 sd_needed = irdma_est_sd(dev, hmc_info); 4863 ibdev_dbg(to_ibdev(dev), 4864 "HMC: FW max resources sd_needed[%08d] first_sd_index[%04d]\n", 4865 sd_needed, hmc_info->first_sd_index); 4866 ibdev_dbg(to_ibdev(dev), "HMC: sd count %d where max sd is %d\n", 4867 hmc_info->sd_table.sd_cnt, hmc_fpm_misc->max_sds); 4868 4869 qpwanted = min(qp_count, hmc_info->hmc_obj[IRDMA_HMC_IW_QP].max_cnt); 4870 4871 powerof2 = 1; 4872 while (powerof2 <= qpwanted) 4873 powerof2 *= 2; 4874 powerof2 /= 2; 4875 qpwanted = powerof2; 4876 4877 mrwanted = hmc_info->hmc_obj[IRDMA_HMC_IW_MR].max_cnt; 4878 pblewanted = hmc_info->hmc_obj[IRDMA_HMC_IW_PBLE].max_cnt; 4879 4880 ibdev_dbg(to_ibdev(dev), 4881 "HMC: req_qp=%d max_sd=%d, max_qp = %d, max_cq=%d, max_mr=%d, max_pble=%d, mc=%d, av=%d\n", 4882 qp_count, hmc_fpm_misc->max_sds, 4883 hmc_info->hmc_obj[IRDMA_HMC_IW_QP].max_cnt, 4884 hmc_info->hmc_obj[IRDMA_HMC_IW_CQ].max_cnt, 4885 hmc_info->hmc_obj[IRDMA_HMC_IW_MR].max_cnt, 4886 hmc_info->hmc_obj[IRDMA_HMC_IW_PBLE].max_cnt, 4887 hmc_info->hmc_obj[IRDMA_HMC_IW_FSIMC].max_cnt, 4888 hmc_info->hmc_obj[IRDMA_HMC_IW_FSIAV].max_cnt); 4889 hmc_info->hmc_obj[IRDMA_HMC_IW_FSIMC].cnt = 4890 hmc_info->hmc_obj[IRDMA_HMC_IW_FSIMC].max_cnt; 4891 hmc_info->hmc_obj[IRDMA_HMC_IW_FSIAV].cnt = 4892 hmc_info->hmc_obj[IRDMA_HMC_IW_FSIAV].max_cnt; 4893 hmc_info->hmc_obj[IRDMA_HMC_IW_ARP].cnt = 4894 hmc_info->hmc_obj[IRDMA_HMC_IW_ARP].max_cnt; 4895 4896 hmc_info->hmc_obj[IRDMA_HMC_IW_APBVT_ENTRY].cnt = 1; 4897 4898 while (irdma_q1_cnt(dev, hmc_info, qpwanted) > hmc_info->hmc_obj[IRDMA_HMC_IW_Q1].max_cnt) 4899 qpwanted /= 2; 4900 4901 do { 4902 ++loop_count; 4903 hmc_info->hmc_obj[IRDMA_HMC_IW_QP].cnt = qpwanted; 4904 hmc_info->hmc_obj[IRDMA_HMC_IW_CQ].cnt = 4905 min(2 * qpwanted, hmc_info->hmc_obj[IRDMA_HMC_IW_CQ].cnt); 4906 hmc_info->hmc_obj[IRDMA_HMC_IW_RESERVED].cnt = 0; /* Reserved */ 4907 hmc_info->hmc_obj[IRDMA_HMC_IW_MR].cnt = mrwanted; 4908 4909 hte = round_up(qpwanted + hmc_info->hmc_obj[IRDMA_HMC_IW_FSIMC].cnt, 512); 4910 powerof2 = 1; 4911 while (powerof2 < hte) 4912 powerof2 *= 2; 4913 hmc_info->hmc_obj[IRDMA_HMC_IW_HTE].cnt = 4914 powerof2 * hmc_fpm_misc->ht_multiplier; 4915 if (dev->hw_attrs.uk_attrs.hw_rev == IRDMA_GEN_1) 4916 cfg_fpm_value_gen_1(dev, hmc_info, qpwanted); 4917 else 4918 cfg_fpm_value_gen_2(dev, hmc_info, qpwanted); 4919 4920 hmc_info->hmc_obj[IRDMA_HMC_IW_Q1].cnt = irdma_q1_cnt(dev, hmc_info, qpwanted); 4921 hmc_info->hmc_obj[IRDMA_HMC_IW_XFFL].cnt = 4922 hmc_info->hmc_obj[IRDMA_HMC_IW_XF].cnt / hmc_fpm_misc->xf_block_size; 4923 hmc_info->hmc_obj[IRDMA_HMC_IW_Q1FL].cnt = 4924 hmc_info->hmc_obj[IRDMA_HMC_IW_Q1].cnt / hmc_fpm_misc->q1_block_size; 4925 hmc_info->hmc_obj[IRDMA_HMC_IW_TIMER].cnt = 4926 (round_up(qpwanted, 512) / 512 + 1) * hmc_fpm_misc->timer_bucket; 4927 4928 hmc_info->hmc_obj[IRDMA_HMC_IW_PBLE].cnt = pblewanted; 4929 sd_needed = irdma_est_sd(dev, hmc_info); 4930 ibdev_dbg(to_ibdev(dev), 4931 "HMC: sd_needed = %d, hmc_fpm_misc->max_sds=%d, mrwanted=%d, pblewanted=%d qpwanted=%d\n", 4932 sd_needed, hmc_fpm_misc->max_sds, mrwanted, 4933 pblewanted, qpwanted); 4934 4935 /* Do not reduce resources further. All objects fit with max SDs */ 4936 if (sd_needed <= hmc_fpm_misc->max_sds) 4937 break; 4938 4939 sd_diff = sd_needed - hmc_fpm_misc->max_sds; 4940 if (sd_diff > 128) { 4941 if (qpwanted > 128 && sd_diff > 144) 4942 qpwanted /= 2; 4943 mrwanted /= 2; 4944 pblewanted /= 2; 4945 continue; 4946 } 4947 if (dev->cqp->hmc_profile != IRDMA_HMC_PROFILE_FAVOR_VF && 4948 pblewanted > (512 * FPM_MULTIPLIER * sd_diff)) { 4949 pblewanted -= 256 * FPM_MULTIPLIER * sd_diff; 4950 continue; 4951 } else if (pblewanted > (100 * FPM_MULTIPLIER)) { 4952 pblewanted -= 10 * FPM_MULTIPLIER; 4953 } else if (pblewanted > FPM_MULTIPLIER) { 4954 pblewanted -= FPM_MULTIPLIER; 4955 } else if (qpwanted <= 128) { 4956 if (hmc_info->hmc_obj[IRDMA_HMC_IW_FSIMC].cnt > 256) 4957 hmc_info->hmc_obj[IRDMA_HMC_IW_FSIMC].cnt /= 2; 4958 if (hmc_info->hmc_obj[IRDMA_HMC_IW_FSIAV].cnt > 256) 4959 hmc_info->hmc_obj[IRDMA_HMC_IW_FSIAV].cnt /= 2; 4960 } 4961 if (mrwanted > FPM_MULTIPLIER) 4962 mrwanted -= FPM_MULTIPLIER; 4963 if (!(loop_count % 10) && qpwanted > 128) { 4964 qpwanted /= 2; 4965 if (hmc_info->hmc_obj[IRDMA_HMC_IW_FSIAV].cnt > 256) 4966 hmc_info->hmc_obj[IRDMA_HMC_IW_FSIAV].cnt /= 2; 4967 } 4968 } while (loop_count < 2000); 4969 4970 if (sd_needed > hmc_fpm_misc->max_sds) { 4971 ibdev_dbg(to_ibdev(dev), 4972 "HMC: cfg_fpm failed loop_cnt=%d, sd_needed=%d, max sd count %d\n", 4973 loop_count, sd_needed, hmc_info->sd_table.sd_cnt); 4974 return IRDMA_ERR_CFG; 4975 } 4976 4977 if (loop_count > 1 && sd_needed < hmc_fpm_misc->max_sds) { 4978 pblewanted += (hmc_fpm_misc->max_sds - sd_needed) * 256 * 4979 FPM_MULTIPLIER; 4980 hmc_info->hmc_obj[IRDMA_HMC_IW_PBLE].cnt = pblewanted; 4981 sd_needed = irdma_est_sd(dev, hmc_info); 4982 } 4983 4984 ibdev_dbg(to_ibdev(dev), 4985 "HMC: loop_cnt=%d, sd_needed=%d, qpcnt = %d, cqcnt=%d, mrcnt=%d, pblecnt=%d, mc=%d, ah=%d, max sd count %d, first sd index %d\n", 4986 loop_count, sd_needed, 4987 hmc_info->hmc_obj[IRDMA_HMC_IW_QP].cnt, 4988 hmc_info->hmc_obj[IRDMA_HMC_IW_CQ].cnt, 4989 hmc_info->hmc_obj[IRDMA_HMC_IW_MR].cnt, 4990 hmc_info->hmc_obj[IRDMA_HMC_IW_PBLE].cnt, 4991 hmc_info->hmc_obj[IRDMA_HMC_IW_FSIMC].cnt, 4992 hmc_info->hmc_obj[IRDMA_HMC_IW_FSIAV].cnt, 4993 hmc_info->sd_table.sd_cnt, hmc_info->first_sd_index); 4994 4995 ret_code = irdma_sc_cfg_iw_fpm(dev, dev->hmc_fn_id); 4996 if (ret_code) { 4997 ibdev_dbg(to_ibdev(dev), 4998 "HMC: cfg_iw_fpm returned error_code[x%08X]\n", 4999 readl(dev->hw_regs[IRDMA_CQPERRCODES])); 5000 return ret_code; 5001 } 5002 5003 mem_size = sizeof(struct irdma_hmc_sd_entry) * 5004 (hmc_info->sd_table.sd_cnt + hmc_info->first_sd_index + 1); 5005 virt_mem.size = mem_size; 5006 virt_mem.va = kzalloc(virt_mem.size, GFP_KERNEL); 5007 if (!virt_mem.va) { 5008 ibdev_dbg(to_ibdev(dev), 5009 "HMC: failed to allocate memory for sd_entry buffer\n"); 5010 return IRDMA_ERR_NO_MEMORY; 5011 } 5012 hmc_info->sd_table.sd_entry = virt_mem.va; 5013 5014 return ret_code; 5015 } 5016 5017 /** 5018 * irdma_exec_cqp_cmd - execute cqp cmd when wqe are available 5019 * @dev: rdma device 5020 * @pcmdinfo: cqp command info 5021 */ 5022 static enum irdma_status_code irdma_exec_cqp_cmd(struct irdma_sc_dev *dev, 5023 struct cqp_cmds_info *pcmdinfo) 5024 { 5025 enum irdma_status_code status; 5026 struct irdma_dma_mem val_mem; 5027 bool alloc = false; 5028 5029 dev->cqp_cmd_stats[pcmdinfo->cqp_cmd]++; 5030 switch (pcmdinfo->cqp_cmd) { 5031 case IRDMA_OP_CEQ_DESTROY: 5032 status = irdma_sc_ceq_destroy(pcmdinfo->in.u.ceq_destroy.ceq, 5033 pcmdinfo->in.u.ceq_destroy.scratch, 5034 pcmdinfo->post_sq); 5035 break; 5036 case IRDMA_OP_AEQ_DESTROY: 5037 status = irdma_sc_aeq_destroy(pcmdinfo->in.u.aeq_destroy.aeq, 5038 pcmdinfo->in.u.aeq_destroy.scratch, 5039 pcmdinfo->post_sq); 5040 5041 break; 5042 case IRDMA_OP_CEQ_CREATE: 5043 status = irdma_sc_ceq_create(pcmdinfo->in.u.ceq_create.ceq, 5044 pcmdinfo->in.u.ceq_create.scratch, 5045 pcmdinfo->post_sq); 5046 break; 5047 case IRDMA_OP_AEQ_CREATE: 5048 status = irdma_sc_aeq_create(pcmdinfo->in.u.aeq_create.aeq, 5049 pcmdinfo->in.u.aeq_create.scratch, 5050 pcmdinfo->post_sq); 5051 break; 5052 case IRDMA_OP_QP_UPLOAD_CONTEXT: 5053 status = irdma_sc_qp_upload_context(pcmdinfo->in.u.qp_upload_context.dev, 5054 &pcmdinfo->in.u.qp_upload_context.info, 5055 pcmdinfo->in.u.qp_upload_context.scratch, 5056 pcmdinfo->post_sq); 5057 break; 5058 case IRDMA_OP_CQ_CREATE: 5059 status = irdma_sc_cq_create(pcmdinfo->in.u.cq_create.cq, 5060 pcmdinfo->in.u.cq_create.scratch, 5061 pcmdinfo->in.u.cq_create.check_overflow, 5062 pcmdinfo->post_sq); 5063 break; 5064 case IRDMA_OP_CQ_MODIFY: 5065 status = irdma_sc_cq_modify(pcmdinfo->in.u.cq_modify.cq, 5066 &pcmdinfo->in.u.cq_modify.info, 5067 pcmdinfo->in.u.cq_modify.scratch, 5068 pcmdinfo->post_sq); 5069 break; 5070 case IRDMA_OP_CQ_DESTROY: 5071 status = irdma_sc_cq_destroy(pcmdinfo->in.u.cq_destroy.cq, 5072 pcmdinfo->in.u.cq_destroy.scratch, 5073 pcmdinfo->post_sq); 5074 break; 5075 case IRDMA_OP_QP_FLUSH_WQES: 5076 status = irdma_sc_qp_flush_wqes(pcmdinfo->in.u.qp_flush_wqes.qp, 5077 &pcmdinfo->in.u.qp_flush_wqes.info, 5078 pcmdinfo->in.u.qp_flush_wqes.scratch, 5079 pcmdinfo->post_sq); 5080 break; 5081 case IRDMA_OP_GEN_AE: 5082 status = irdma_sc_gen_ae(pcmdinfo->in.u.gen_ae.qp, 5083 &pcmdinfo->in.u.gen_ae.info, 5084 pcmdinfo->in.u.gen_ae.scratch, 5085 pcmdinfo->post_sq); 5086 break; 5087 case IRDMA_OP_MANAGE_PUSH_PAGE: 5088 status = irdma_sc_manage_push_page(pcmdinfo->in.u.manage_push_page.cqp, 5089 &pcmdinfo->in.u.manage_push_page.info, 5090 pcmdinfo->in.u.manage_push_page.scratch, 5091 pcmdinfo->post_sq); 5092 break; 5093 case IRDMA_OP_UPDATE_PE_SDS: 5094 status = irdma_update_pe_sds(pcmdinfo->in.u.update_pe_sds.dev, 5095 &pcmdinfo->in.u.update_pe_sds.info, 5096 pcmdinfo->in.u.update_pe_sds.scratch); 5097 break; 5098 case IRDMA_OP_MANAGE_HMC_PM_FUNC_TABLE: 5099 /* switch to calling through the call table */ 5100 status = 5101 irdma_sc_manage_hmc_pm_func_table(pcmdinfo->in.u.manage_hmc_pm.dev->cqp, 5102 &pcmdinfo->in.u.manage_hmc_pm.info, 5103 pcmdinfo->in.u.manage_hmc_pm.scratch, 5104 true); 5105 break; 5106 case IRDMA_OP_SUSPEND: 5107 status = irdma_sc_suspend_qp(pcmdinfo->in.u.suspend_resume.cqp, 5108 pcmdinfo->in.u.suspend_resume.qp, 5109 pcmdinfo->in.u.suspend_resume.scratch); 5110 break; 5111 case IRDMA_OP_RESUME: 5112 status = irdma_sc_resume_qp(pcmdinfo->in.u.suspend_resume.cqp, 5113 pcmdinfo->in.u.suspend_resume.qp, 5114 pcmdinfo->in.u.suspend_resume.scratch); 5115 break; 5116 case IRDMA_OP_QUERY_FPM_VAL: 5117 val_mem.pa = pcmdinfo->in.u.query_fpm_val.fpm_val_pa; 5118 val_mem.va = pcmdinfo->in.u.query_fpm_val.fpm_val_va; 5119 status = irdma_sc_query_fpm_val(pcmdinfo->in.u.query_fpm_val.cqp, 5120 pcmdinfo->in.u.query_fpm_val.scratch, 5121 pcmdinfo->in.u.query_fpm_val.hmc_fn_id, 5122 &val_mem, true, IRDMA_CQP_WAIT_EVENT); 5123 break; 5124 case IRDMA_OP_COMMIT_FPM_VAL: 5125 val_mem.pa = pcmdinfo->in.u.commit_fpm_val.fpm_val_pa; 5126 val_mem.va = pcmdinfo->in.u.commit_fpm_val.fpm_val_va; 5127 status = irdma_sc_commit_fpm_val(pcmdinfo->in.u.commit_fpm_val.cqp, 5128 pcmdinfo->in.u.commit_fpm_val.scratch, 5129 pcmdinfo->in.u.commit_fpm_val.hmc_fn_id, 5130 &val_mem, 5131 true, 5132 IRDMA_CQP_WAIT_EVENT); 5133 break; 5134 case IRDMA_OP_STATS_ALLOCATE: 5135 alloc = true; 5136 fallthrough; 5137 case IRDMA_OP_STATS_FREE: 5138 status = irdma_sc_manage_stats_inst(pcmdinfo->in.u.stats_manage.cqp, 5139 &pcmdinfo->in.u.stats_manage.info, 5140 alloc, 5141 pcmdinfo->in.u.stats_manage.scratch); 5142 break; 5143 case IRDMA_OP_STATS_GATHER: 5144 status = irdma_sc_gather_stats(pcmdinfo->in.u.stats_gather.cqp, 5145 &pcmdinfo->in.u.stats_gather.info, 5146 pcmdinfo->in.u.stats_gather.scratch); 5147 break; 5148 case IRDMA_OP_WS_MODIFY_NODE: 5149 status = irdma_sc_manage_ws_node(pcmdinfo->in.u.ws_node.cqp, 5150 &pcmdinfo->in.u.ws_node.info, 5151 IRDMA_MODIFY_NODE, 5152 pcmdinfo->in.u.ws_node.scratch); 5153 break; 5154 case IRDMA_OP_WS_DELETE_NODE: 5155 status = irdma_sc_manage_ws_node(pcmdinfo->in.u.ws_node.cqp, 5156 &pcmdinfo->in.u.ws_node.info, 5157 IRDMA_DEL_NODE, 5158 pcmdinfo->in.u.ws_node.scratch); 5159 break; 5160 case IRDMA_OP_WS_ADD_NODE: 5161 status = irdma_sc_manage_ws_node(pcmdinfo->in.u.ws_node.cqp, 5162 &pcmdinfo->in.u.ws_node.info, 5163 IRDMA_ADD_NODE, 5164 pcmdinfo->in.u.ws_node.scratch); 5165 break; 5166 case IRDMA_OP_SET_UP_MAP: 5167 status = irdma_sc_set_up_map(pcmdinfo->in.u.up_map.cqp, 5168 &pcmdinfo->in.u.up_map.info, 5169 pcmdinfo->in.u.up_map.scratch); 5170 break; 5171 case IRDMA_OP_QUERY_RDMA_FEATURES: 5172 status = irdma_sc_query_rdma_features(pcmdinfo->in.u.query_rdma.cqp, 5173 &pcmdinfo->in.u.query_rdma.query_buff_mem, 5174 pcmdinfo->in.u.query_rdma.scratch); 5175 break; 5176 case IRDMA_OP_DELETE_ARP_CACHE_ENTRY: 5177 status = irdma_sc_del_arp_cache_entry(pcmdinfo->in.u.del_arp_cache_entry.cqp, 5178 pcmdinfo->in.u.del_arp_cache_entry.scratch, 5179 pcmdinfo->in.u.del_arp_cache_entry.arp_index, 5180 pcmdinfo->post_sq); 5181 break; 5182 case IRDMA_OP_MANAGE_APBVT_ENTRY: 5183 status = irdma_sc_manage_apbvt_entry(pcmdinfo->in.u.manage_apbvt_entry.cqp, 5184 &pcmdinfo->in.u.manage_apbvt_entry.info, 5185 pcmdinfo->in.u.manage_apbvt_entry.scratch, 5186 pcmdinfo->post_sq); 5187 break; 5188 case IRDMA_OP_MANAGE_QHASH_TABLE_ENTRY: 5189 status = irdma_sc_manage_qhash_table_entry(pcmdinfo->in.u.manage_qhash_table_entry.cqp, 5190 &pcmdinfo->in.u.manage_qhash_table_entry.info, 5191 pcmdinfo->in.u.manage_qhash_table_entry.scratch, 5192 pcmdinfo->post_sq); 5193 break; 5194 case IRDMA_OP_QP_MODIFY: 5195 status = irdma_sc_qp_modify(pcmdinfo->in.u.qp_modify.qp, 5196 &pcmdinfo->in.u.qp_modify.info, 5197 pcmdinfo->in.u.qp_modify.scratch, 5198 pcmdinfo->post_sq); 5199 break; 5200 case IRDMA_OP_QP_CREATE: 5201 status = irdma_sc_qp_create(pcmdinfo->in.u.qp_create.qp, 5202 &pcmdinfo->in.u.qp_create.info, 5203 pcmdinfo->in.u.qp_create.scratch, 5204 pcmdinfo->post_sq); 5205 break; 5206 case IRDMA_OP_QP_DESTROY: 5207 status = irdma_sc_qp_destroy(pcmdinfo->in.u.qp_destroy.qp, 5208 pcmdinfo->in.u.qp_destroy.scratch, 5209 pcmdinfo->in.u.qp_destroy.remove_hash_idx, 5210 pcmdinfo->in.u.qp_destroy.ignore_mw_bnd, 5211 pcmdinfo->post_sq); 5212 break; 5213 case IRDMA_OP_ALLOC_STAG: 5214 status = irdma_sc_alloc_stag(pcmdinfo->in.u.alloc_stag.dev, 5215 &pcmdinfo->in.u.alloc_stag.info, 5216 pcmdinfo->in.u.alloc_stag.scratch, 5217 pcmdinfo->post_sq); 5218 break; 5219 case IRDMA_OP_MR_REG_NON_SHARED: 5220 status = irdma_sc_mr_reg_non_shared(pcmdinfo->in.u.mr_reg_non_shared.dev, 5221 &pcmdinfo->in.u.mr_reg_non_shared.info, 5222 pcmdinfo->in.u.mr_reg_non_shared.scratch, 5223 pcmdinfo->post_sq); 5224 break; 5225 case IRDMA_OP_DEALLOC_STAG: 5226 status = irdma_sc_dealloc_stag(pcmdinfo->in.u.dealloc_stag.dev, 5227 &pcmdinfo->in.u.dealloc_stag.info, 5228 pcmdinfo->in.u.dealloc_stag.scratch, 5229 pcmdinfo->post_sq); 5230 break; 5231 case IRDMA_OP_MW_ALLOC: 5232 status = irdma_sc_mw_alloc(pcmdinfo->in.u.mw_alloc.dev, 5233 &pcmdinfo->in.u.mw_alloc.info, 5234 pcmdinfo->in.u.mw_alloc.scratch, 5235 pcmdinfo->post_sq); 5236 break; 5237 case IRDMA_OP_ADD_ARP_CACHE_ENTRY: 5238 status = irdma_sc_add_arp_cache_entry(pcmdinfo->in.u.add_arp_cache_entry.cqp, 5239 &pcmdinfo->in.u.add_arp_cache_entry.info, 5240 pcmdinfo->in.u.add_arp_cache_entry.scratch, 5241 pcmdinfo->post_sq); 5242 break; 5243 case IRDMA_OP_ALLOC_LOCAL_MAC_ENTRY: 5244 status = irdma_sc_alloc_local_mac_entry(pcmdinfo->in.u.alloc_local_mac_entry.cqp, 5245 pcmdinfo->in.u.alloc_local_mac_entry.scratch, 5246 pcmdinfo->post_sq); 5247 break; 5248 case IRDMA_OP_ADD_LOCAL_MAC_ENTRY: 5249 status = irdma_sc_add_local_mac_entry(pcmdinfo->in.u.add_local_mac_entry.cqp, 5250 &pcmdinfo->in.u.add_local_mac_entry.info, 5251 pcmdinfo->in.u.add_local_mac_entry.scratch, 5252 pcmdinfo->post_sq); 5253 break; 5254 case IRDMA_OP_DELETE_LOCAL_MAC_ENTRY: 5255 status = irdma_sc_del_local_mac_entry(pcmdinfo->in.u.del_local_mac_entry.cqp, 5256 pcmdinfo->in.u.del_local_mac_entry.scratch, 5257 pcmdinfo->in.u.del_local_mac_entry.entry_idx, 5258 pcmdinfo->in.u.del_local_mac_entry.ignore_ref_count, 5259 pcmdinfo->post_sq); 5260 break; 5261 case IRDMA_OP_AH_CREATE: 5262 status = irdma_sc_create_ah(pcmdinfo->in.u.ah_create.cqp, 5263 &pcmdinfo->in.u.ah_create.info, 5264 pcmdinfo->in.u.ah_create.scratch); 5265 break; 5266 case IRDMA_OP_AH_DESTROY: 5267 status = irdma_sc_destroy_ah(pcmdinfo->in.u.ah_destroy.cqp, 5268 &pcmdinfo->in.u.ah_destroy.info, 5269 pcmdinfo->in.u.ah_destroy.scratch); 5270 break; 5271 case IRDMA_OP_MC_CREATE: 5272 status = irdma_sc_create_mcast_grp(pcmdinfo->in.u.mc_create.cqp, 5273 &pcmdinfo->in.u.mc_create.info, 5274 pcmdinfo->in.u.mc_create.scratch); 5275 break; 5276 case IRDMA_OP_MC_DESTROY: 5277 status = irdma_sc_destroy_mcast_grp(pcmdinfo->in.u.mc_destroy.cqp, 5278 &pcmdinfo->in.u.mc_destroy.info, 5279 pcmdinfo->in.u.mc_destroy.scratch); 5280 break; 5281 case IRDMA_OP_MC_MODIFY: 5282 status = irdma_sc_modify_mcast_grp(pcmdinfo->in.u.mc_modify.cqp, 5283 &pcmdinfo->in.u.mc_modify.info, 5284 pcmdinfo->in.u.mc_modify.scratch); 5285 break; 5286 default: 5287 status = IRDMA_NOT_SUPPORTED; 5288 break; 5289 } 5290 5291 return status; 5292 } 5293 5294 /** 5295 * irdma_process_cqp_cmd - process all cqp commands 5296 * @dev: sc device struct 5297 * @pcmdinfo: cqp command info 5298 */ 5299 enum irdma_status_code irdma_process_cqp_cmd(struct irdma_sc_dev *dev, 5300 struct cqp_cmds_info *pcmdinfo) 5301 { 5302 enum irdma_status_code status = 0; 5303 unsigned long flags; 5304 5305 spin_lock_irqsave(&dev->cqp_lock, flags); 5306 if (list_empty(&dev->cqp_cmd_head) && !irdma_cqp_ring_full(dev->cqp)) 5307 status = irdma_exec_cqp_cmd(dev, pcmdinfo); 5308 else 5309 list_add_tail(&pcmdinfo->cqp_cmd_entry, &dev->cqp_cmd_head); 5310 spin_unlock_irqrestore(&dev->cqp_lock, flags); 5311 return status; 5312 } 5313 5314 /** 5315 * irdma_process_bh - called from tasklet for cqp list 5316 * @dev: sc device struct 5317 */ 5318 enum irdma_status_code irdma_process_bh(struct irdma_sc_dev *dev) 5319 { 5320 enum irdma_status_code status = 0; 5321 struct cqp_cmds_info *pcmdinfo; 5322 unsigned long flags; 5323 5324 spin_lock_irqsave(&dev->cqp_lock, flags); 5325 while (!list_empty(&dev->cqp_cmd_head) && 5326 !irdma_cqp_ring_full(dev->cqp)) { 5327 pcmdinfo = (struct cqp_cmds_info *)irdma_remove_cqp_head(dev); 5328 status = irdma_exec_cqp_cmd(dev, pcmdinfo); 5329 if (status) 5330 break; 5331 } 5332 spin_unlock_irqrestore(&dev->cqp_lock, flags); 5333 return status; 5334 } 5335 5336 /** 5337 * irdma_cfg_aeq- Configure AEQ interrupt 5338 * @dev: pointer to the device structure 5339 * @idx: vector index 5340 * @enable: True to enable, False disables 5341 */ 5342 void irdma_cfg_aeq(struct irdma_sc_dev *dev, u32 idx, bool enable) 5343 { 5344 u32 reg_val; 5345 5346 reg_val = FIELD_PREP(IRDMA_PFINT_AEQCTL_CAUSE_ENA, enable) | 5347 FIELD_PREP(IRDMA_PFINT_AEQCTL_MSIX_INDX, idx) | 5348 FIELD_PREP(IRDMA_PFINT_AEQCTL_ITR_INDX, 3); 5349 writel(reg_val, dev->hw_regs[IRDMA_PFINT_AEQCTL]); 5350 } 5351 5352 /** 5353 * sc_vsi_update_stats - Update statistics 5354 * @vsi: sc_vsi instance to update 5355 */ 5356 void sc_vsi_update_stats(struct irdma_sc_vsi *vsi) 5357 { 5358 struct irdma_gather_stats *gather_stats; 5359 struct irdma_gather_stats *last_gather_stats; 5360 5361 gather_stats = vsi->pestat->gather_info.gather_stats_va; 5362 last_gather_stats = vsi->pestat->gather_info.last_gather_stats_va; 5363 irdma_update_stats(&vsi->pestat->hw_stats, gather_stats, 5364 last_gather_stats); 5365 } 5366 5367 /** 5368 * irdma_wait_pe_ready - Check if firmware is ready 5369 * @dev: provides access to registers 5370 */ 5371 static int irdma_wait_pe_ready(struct irdma_sc_dev *dev) 5372 { 5373 u32 statuscpu0; 5374 u32 statuscpu1; 5375 u32 statuscpu2; 5376 u32 retrycount = 0; 5377 5378 do { 5379 statuscpu0 = readl(dev->hw_regs[IRDMA_GLPE_CPUSTATUS0]); 5380 statuscpu1 = readl(dev->hw_regs[IRDMA_GLPE_CPUSTATUS1]); 5381 statuscpu2 = readl(dev->hw_regs[IRDMA_GLPE_CPUSTATUS2]); 5382 if (statuscpu0 == 0x80 && statuscpu1 == 0x80 && 5383 statuscpu2 == 0x80) 5384 return 0; 5385 mdelay(1000); 5386 } while (retrycount++ < dev->hw_attrs.max_pe_ready_count); 5387 return -1; 5388 } 5389 5390 static inline void irdma_sc_init_hw(struct irdma_sc_dev *dev) 5391 { 5392 switch (dev->hw_attrs.uk_attrs.hw_rev) { 5393 case IRDMA_GEN_1: 5394 i40iw_init_hw(dev); 5395 break; 5396 case IRDMA_GEN_2: 5397 icrdma_init_hw(dev); 5398 break; 5399 } 5400 } 5401 5402 /** 5403 * irdma_sc_dev_init - Initialize control part of device 5404 * @ver: version 5405 * @dev: Device pointer 5406 * @info: Device init info 5407 */ 5408 enum irdma_status_code irdma_sc_dev_init(enum irdma_vers ver, 5409 struct irdma_sc_dev *dev, 5410 struct irdma_device_init_info *info) 5411 { 5412 u32 val; 5413 enum irdma_status_code ret_code = 0; 5414 u8 db_size; 5415 5416 INIT_LIST_HEAD(&dev->cqp_cmd_head); /* for CQP command backlog */ 5417 mutex_init(&dev->ws_mutex); 5418 dev->hmc_fn_id = info->hmc_fn_id; 5419 dev->fpm_query_buf_pa = info->fpm_query_buf_pa; 5420 dev->fpm_query_buf = info->fpm_query_buf; 5421 dev->fpm_commit_buf_pa = info->fpm_commit_buf_pa; 5422 dev->fpm_commit_buf = info->fpm_commit_buf; 5423 dev->hw = info->hw; 5424 dev->hw->hw_addr = info->bar0; 5425 /* Setup the hardware limits, hmc may limit further */ 5426 dev->hw_attrs.min_hw_qp_id = IRDMA_MIN_IW_QP_ID; 5427 dev->hw_attrs.min_hw_aeq_size = IRDMA_MIN_AEQ_ENTRIES; 5428 dev->hw_attrs.max_hw_aeq_size = IRDMA_MAX_AEQ_ENTRIES; 5429 dev->hw_attrs.min_hw_ceq_size = IRDMA_MIN_CEQ_ENTRIES; 5430 dev->hw_attrs.max_hw_ceq_size = IRDMA_MAX_CEQ_ENTRIES; 5431 dev->hw_attrs.uk_attrs.min_hw_cq_size = IRDMA_MIN_CQ_SIZE; 5432 dev->hw_attrs.uk_attrs.max_hw_cq_size = IRDMA_MAX_CQ_SIZE; 5433 dev->hw_attrs.uk_attrs.max_hw_wq_frags = IRDMA_MAX_WQ_FRAGMENT_COUNT; 5434 dev->hw_attrs.uk_attrs.max_hw_read_sges = IRDMA_MAX_SGE_RD; 5435 dev->hw_attrs.max_hw_outbound_msg_size = IRDMA_MAX_OUTBOUND_MSG_SIZE; 5436 dev->hw_attrs.max_mr_size = IRDMA_MAX_MR_SIZE; 5437 dev->hw_attrs.max_hw_inbound_msg_size = IRDMA_MAX_INBOUND_MSG_SIZE; 5438 dev->hw_attrs.max_hw_device_pages = IRDMA_MAX_PUSH_PAGE_COUNT; 5439 dev->hw_attrs.uk_attrs.max_hw_inline = IRDMA_MAX_INLINE_DATA_SIZE; 5440 dev->hw_attrs.max_hw_wqes = IRDMA_MAX_WQ_ENTRIES; 5441 dev->hw_attrs.max_qp_wr = IRDMA_MAX_QP_WRS(IRDMA_MAX_QUANTA_PER_WR); 5442 5443 dev->hw_attrs.uk_attrs.max_hw_rq_quanta = IRDMA_QP_SW_MAX_RQ_QUANTA; 5444 dev->hw_attrs.uk_attrs.max_hw_wq_quanta = IRDMA_QP_SW_MAX_WQ_QUANTA; 5445 dev->hw_attrs.max_hw_pds = IRDMA_MAX_PDS; 5446 dev->hw_attrs.max_hw_ena_vf_count = IRDMA_MAX_PE_ENA_VF_COUNT; 5447 5448 dev->hw_attrs.max_pe_ready_count = 14; 5449 dev->hw_attrs.max_done_count = IRDMA_DONE_COUNT; 5450 dev->hw_attrs.max_sleep_count = IRDMA_SLEEP_COUNT; 5451 dev->hw_attrs.max_cqp_compl_wait_time_ms = CQP_COMPL_WAIT_TIME_MS; 5452 5453 dev->hw_attrs.uk_attrs.hw_rev = ver; 5454 irdma_sc_init_hw(dev); 5455 5456 if (irdma_wait_pe_ready(dev)) 5457 return IRDMA_ERR_TIMEOUT; 5458 5459 val = readl(dev->hw_regs[IRDMA_GLPCI_LBARCTRL]); 5460 db_size = (u8)FIELD_GET(IRDMA_GLPCI_LBARCTRL_PE_DB_SIZE, val); 5461 if (db_size != IRDMA_PE_DB_SIZE_4M && db_size != IRDMA_PE_DB_SIZE_8M) { 5462 ibdev_dbg(to_ibdev(dev), 5463 "DEV: RDMA PE doorbell is not enabled in CSR val 0x%x db_size=%d\n", 5464 val, db_size); 5465 return IRDMA_ERR_PE_DOORBELL_NOT_ENA; 5466 } 5467 dev->db_addr = dev->hw->hw_addr + (uintptr_t)dev->hw_regs[IRDMA_DB_ADDR_OFFSET]; 5468 5469 return ret_code; 5470 } 5471 5472 /** 5473 * irdma_update_stats - Update statistics 5474 * @hw_stats: hw_stats instance to update 5475 * @gather_stats: updated stat counters 5476 * @last_gather_stats: last stat counters 5477 */ 5478 void irdma_update_stats(struct irdma_dev_hw_stats *hw_stats, 5479 struct irdma_gather_stats *gather_stats, 5480 struct irdma_gather_stats *last_gather_stats) 5481 { 5482 u64 *stats_val = hw_stats->stats_val_32; 5483 5484 stats_val[IRDMA_HW_STAT_INDEX_RXVLANERR] += 5485 IRDMA_STATS_DELTA(gather_stats->rxvlanerr, 5486 last_gather_stats->rxvlanerr, 5487 IRDMA_MAX_STATS_32); 5488 stats_val[IRDMA_HW_STAT_INDEX_IP4RXDISCARD] += 5489 IRDMA_STATS_DELTA(gather_stats->ip4rxdiscard, 5490 last_gather_stats->ip4rxdiscard, 5491 IRDMA_MAX_STATS_32); 5492 stats_val[IRDMA_HW_STAT_INDEX_IP4RXTRUNC] += 5493 IRDMA_STATS_DELTA(gather_stats->ip4rxtrunc, 5494 last_gather_stats->ip4rxtrunc, 5495 IRDMA_MAX_STATS_32); 5496 stats_val[IRDMA_HW_STAT_INDEX_IP4TXNOROUTE] += 5497 IRDMA_STATS_DELTA(gather_stats->ip4txnoroute, 5498 last_gather_stats->ip4txnoroute, 5499 IRDMA_MAX_STATS_32); 5500 stats_val[IRDMA_HW_STAT_INDEX_IP6RXDISCARD] += 5501 IRDMA_STATS_DELTA(gather_stats->ip6rxdiscard, 5502 last_gather_stats->ip6rxdiscard, 5503 IRDMA_MAX_STATS_32); 5504 stats_val[IRDMA_HW_STAT_INDEX_IP6RXTRUNC] += 5505 IRDMA_STATS_DELTA(gather_stats->ip6rxtrunc, 5506 last_gather_stats->ip6rxtrunc, 5507 IRDMA_MAX_STATS_32); 5508 stats_val[IRDMA_HW_STAT_INDEX_IP6TXNOROUTE] += 5509 IRDMA_STATS_DELTA(gather_stats->ip6txnoroute, 5510 last_gather_stats->ip6txnoroute, 5511 IRDMA_MAX_STATS_32); 5512 stats_val[IRDMA_HW_STAT_INDEX_TCPRTXSEG] += 5513 IRDMA_STATS_DELTA(gather_stats->tcprtxseg, 5514 last_gather_stats->tcprtxseg, 5515 IRDMA_MAX_STATS_32); 5516 stats_val[IRDMA_HW_STAT_INDEX_TCPRXOPTERR] += 5517 IRDMA_STATS_DELTA(gather_stats->tcprxopterr, 5518 last_gather_stats->tcprxopterr, 5519 IRDMA_MAX_STATS_32); 5520 stats_val[IRDMA_HW_STAT_INDEX_TCPRXPROTOERR] += 5521 IRDMA_STATS_DELTA(gather_stats->tcprxprotoerr, 5522 last_gather_stats->tcprxprotoerr, 5523 IRDMA_MAX_STATS_32); 5524 stats_val[IRDMA_HW_STAT_INDEX_RXRPCNPHANDLED] += 5525 IRDMA_STATS_DELTA(gather_stats->rxrpcnphandled, 5526 last_gather_stats->rxrpcnphandled, 5527 IRDMA_MAX_STATS_32); 5528 stats_val[IRDMA_HW_STAT_INDEX_RXRPCNPIGNORED] += 5529 IRDMA_STATS_DELTA(gather_stats->rxrpcnpignored, 5530 last_gather_stats->rxrpcnpignored, 5531 IRDMA_MAX_STATS_32); 5532 stats_val[IRDMA_HW_STAT_INDEX_TXNPCNPSENT] += 5533 IRDMA_STATS_DELTA(gather_stats->txnpcnpsent, 5534 last_gather_stats->txnpcnpsent, 5535 IRDMA_MAX_STATS_32); 5536 stats_val = hw_stats->stats_val_64; 5537 stats_val[IRDMA_HW_STAT_INDEX_IP4RXOCTS] += 5538 IRDMA_STATS_DELTA(gather_stats->ip4rxocts, 5539 last_gather_stats->ip4rxocts, 5540 IRDMA_MAX_STATS_48); 5541 stats_val[IRDMA_HW_STAT_INDEX_IP4RXPKTS] += 5542 IRDMA_STATS_DELTA(gather_stats->ip4rxpkts, 5543 last_gather_stats->ip4rxpkts, 5544 IRDMA_MAX_STATS_48); 5545 stats_val[IRDMA_HW_STAT_INDEX_IP4RXFRAGS] += 5546 IRDMA_STATS_DELTA(gather_stats->ip4txfrag, 5547 last_gather_stats->ip4txfrag, 5548 IRDMA_MAX_STATS_48); 5549 stats_val[IRDMA_HW_STAT_INDEX_IP4RXMCPKTS] += 5550 IRDMA_STATS_DELTA(gather_stats->ip4rxmcpkts, 5551 last_gather_stats->ip4rxmcpkts, 5552 IRDMA_MAX_STATS_48); 5553 stats_val[IRDMA_HW_STAT_INDEX_IP4TXOCTS] += 5554 IRDMA_STATS_DELTA(gather_stats->ip4txocts, 5555 last_gather_stats->ip4txocts, 5556 IRDMA_MAX_STATS_48); 5557 stats_val[IRDMA_HW_STAT_INDEX_IP4TXPKTS] += 5558 IRDMA_STATS_DELTA(gather_stats->ip4txpkts, 5559 last_gather_stats->ip4txpkts, 5560 IRDMA_MAX_STATS_48); 5561 stats_val[IRDMA_HW_STAT_INDEX_IP4TXFRAGS] += 5562 IRDMA_STATS_DELTA(gather_stats->ip4txfrag, 5563 last_gather_stats->ip4txfrag, 5564 IRDMA_MAX_STATS_48); 5565 stats_val[IRDMA_HW_STAT_INDEX_IP4TXMCPKTS] += 5566 IRDMA_STATS_DELTA(gather_stats->ip4txmcpkts, 5567 last_gather_stats->ip4txmcpkts, 5568 IRDMA_MAX_STATS_48); 5569 stats_val[IRDMA_HW_STAT_INDEX_IP6RXOCTS] += 5570 IRDMA_STATS_DELTA(gather_stats->ip6rxocts, 5571 last_gather_stats->ip6rxocts, 5572 IRDMA_MAX_STATS_48); 5573 stats_val[IRDMA_HW_STAT_INDEX_IP6RXPKTS] += 5574 IRDMA_STATS_DELTA(gather_stats->ip6rxpkts, 5575 last_gather_stats->ip6rxpkts, 5576 IRDMA_MAX_STATS_48); 5577 stats_val[IRDMA_HW_STAT_INDEX_IP6RXFRAGS] += 5578 IRDMA_STATS_DELTA(gather_stats->ip6txfrags, 5579 last_gather_stats->ip6txfrags, 5580 IRDMA_MAX_STATS_48); 5581 stats_val[IRDMA_HW_STAT_INDEX_IP6RXMCPKTS] += 5582 IRDMA_STATS_DELTA(gather_stats->ip6rxmcpkts, 5583 last_gather_stats->ip6rxmcpkts, 5584 IRDMA_MAX_STATS_48); 5585 stats_val[IRDMA_HW_STAT_INDEX_IP6TXOCTS] += 5586 IRDMA_STATS_DELTA(gather_stats->ip6txocts, 5587 last_gather_stats->ip6txocts, 5588 IRDMA_MAX_STATS_48); 5589 stats_val[IRDMA_HW_STAT_INDEX_IP6TXPKTS] += 5590 IRDMA_STATS_DELTA(gather_stats->ip6txpkts, 5591 last_gather_stats->ip6txpkts, 5592 IRDMA_MAX_STATS_48); 5593 stats_val[IRDMA_HW_STAT_INDEX_IP6TXFRAGS] += 5594 IRDMA_STATS_DELTA(gather_stats->ip6txfrags, 5595 last_gather_stats->ip6txfrags, 5596 IRDMA_MAX_STATS_48); 5597 stats_val[IRDMA_HW_STAT_INDEX_IP6TXMCPKTS] += 5598 IRDMA_STATS_DELTA(gather_stats->ip6txmcpkts, 5599 last_gather_stats->ip6txmcpkts, 5600 IRDMA_MAX_STATS_48); 5601 stats_val[IRDMA_HW_STAT_INDEX_TCPRXSEGS] += 5602 IRDMA_STATS_DELTA(gather_stats->tcprxsegs, 5603 last_gather_stats->tcprxsegs, 5604 IRDMA_MAX_STATS_48); 5605 stats_val[IRDMA_HW_STAT_INDEX_TCPTXSEG] += 5606 IRDMA_STATS_DELTA(gather_stats->tcptxsegs, 5607 last_gather_stats->tcptxsegs, 5608 IRDMA_MAX_STATS_48); 5609 stats_val[IRDMA_HW_STAT_INDEX_RDMARXRDS] += 5610 IRDMA_STATS_DELTA(gather_stats->rdmarxrds, 5611 last_gather_stats->rdmarxrds, 5612 IRDMA_MAX_STATS_48); 5613 stats_val[IRDMA_HW_STAT_INDEX_RDMARXSNDS] += 5614 IRDMA_STATS_DELTA(gather_stats->rdmarxsnds, 5615 last_gather_stats->rdmarxsnds, 5616 IRDMA_MAX_STATS_48); 5617 stats_val[IRDMA_HW_STAT_INDEX_RDMARXWRS] += 5618 IRDMA_STATS_DELTA(gather_stats->rdmarxwrs, 5619 last_gather_stats->rdmarxwrs, 5620 IRDMA_MAX_STATS_48); 5621 stats_val[IRDMA_HW_STAT_INDEX_RDMATXRDS] += 5622 IRDMA_STATS_DELTA(gather_stats->rdmatxrds, 5623 last_gather_stats->rdmatxrds, 5624 IRDMA_MAX_STATS_48); 5625 stats_val[IRDMA_HW_STAT_INDEX_RDMATXSNDS] += 5626 IRDMA_STATS_DELTA(gather_stats->rdmatxsnds, 5627 last_gather_stats->rdmatxsnds, 5628 IRDMA_MAX_STATS_48); 5629 stats_val[IRDMA_HW_STAT_INDEX_RDMATXWRS] += 5630 IRDMA_STATS_DELTA(gather_stats->rdmatxwrs, 5631 last_gather_stats->rdmatxwrs, 5632 IRDMA_MAX_STATS_48); 5633 stats_val[IRDMA_HW_STAT_INDEX_RDMAVBND] += 5634 IRDMA_STATS_DELTA(gather_stats->rdmavbn, 5635 last_gather_stats->rdmavbn, 5636 IRDMA_MAX_STATS_48); 5637 stats_val[IRDMA_HW_STAT_INDEX_RDMAVINV] += 5638 IRDMA_STATS_DELTA(gather_stats->rdmavinv, 5639 last_gather_stats->rdmavinv, 5640 IRDMA_MAX_STATS_48); 5641 stats_val[IRDMA_HW_STAT_INDEX_UDPRXPKTS] += 5642 IRDMA_STATS_DELTA(gather_stats->udprxpkts, 5643 last_gather_stats->udprxpkts, 5644 IRDMA_MAX_STATS_48); 5645 stats_val[IRDMA_HW_STAT_INDEX_UDPTXPKTS] += 5646 IRDMA_STATS_DELTA(gather_stats->udptxpkts, 5647 last_gather_stats->udptxpkts, 5648 IRDMA_MAX_STATS_48); 5649 stats_val[IRDMA_HW_STAT_INDEX_RXNPECNMARKEDPKTS] += 5650 IRDMA_STATS_DELTA(gather_stats->rxnpecnmrkpkts, 5651 last_gather_stats->rxnpecnmrkpkts, 5652 IRDMA_MAX_STATS_48); 5653 memcpy(last_gather_stats, gather_stats, sizeof(*last_gather_stats)); 5654 } 5655