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