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 */ irdma_get_qp_from_list(struct list_head * head,struct irdma_sc_qp * qp)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 */ irdma_sc_suspend_resume_qps(struct irdma_sc_vsi * vsi,u8 op)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 irdma_set_qos_info(struct irdma_sc_vsi * vsi,struct irdma_l2params * l2p)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 */ irdma_change_l2params(struct irdma_sc_vsi * vsi,struct irdma_l2params * l2params)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 */ irdma_qp_rem_qos(struct irdma_sc_qp * qp)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 */ irdma_qp_add_qos(struct irdma_sc_qp * qp)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 */ irdma_sc_pd_init(struct irdma_sc_dev * dev,struct irdma_sc_pd * pd,u32 pd_id,int abi_ver)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 */ irdma_sc_add_arp_cache_entry(struct irdma_sc_cqp * cqp,struct irdma_add_arp_cache_entry_info * info,u64 scratch,bool post_sq)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 */ irdma_sc_del_arp_cache_entry(struct irdma_sc_cqp * cqp,u64 scratch,u16 arp_index,bool post_sq)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 */ irdma_sc_manage_apbvt_entry(struct irdma_sc_cqp * cqp,struct irdma_apbvt_info * info,u64 scratch,bool post_sq)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 irdma_sc_manage_qhash_table_entry(struct irdma_sc_cqp * cqp,struct irdma_qhash_table_info * info,u64 scratch,bool post_sq)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 */ irdma_sc_qp_init(struct irdma_sc_qp * qp,struct irdma_qp_init_info * info)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 */ irdma_sc_qp_create(struct irdma_sc_qp * qp,struct irdma_create_qp_info * info,u64 scratch,bool post_sq)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 */ irdma_sc_qp_modify(struct irdma_sc_qp * qp,struct irdma_modify_qp_info * info,u64 scratch,bool post_sq)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 */ irdma_sc_qp_destroy(struct irdma_sc_qp * qp,u64 scratch,bool remove_hash_idx,bool ignore_mw_bnd,bool post_sq)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 */ irdma_sc_get_encoded_ird_size(u16 ird_size)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 */ irdma_sc_qp_setctx_roce(struct irdma_sc_qp * qp,__le64 * qp_ctx,struct irdma_qp_host_ctx_info * info)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 */ irdma_sc_alloc_local_mac_entry(struct irdma_sc_cqp * cqp,u64 scratch,bool post_sq)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 */ irdma_sc_add_local_mac_entry(struct irdma_sc_cqp * cqp,struct irdma_local_mac_entry_info * info,u64 scratch,bool post_sq)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 */ irdma_sc_del_local_mac_entry(struct irdma_sc_cqp * cqp,u64 scratch,u16 entry_idx,u8 ignore_ref_count,bool post_sq)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 */ irdma_sc_qp_setctx(struct irdma_sc_qp * qp,__le64 * qp_ctx,struct irdma_qp_host_ctx_info * info)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 */ irdma_sc_alloc_stag(struct irdma_sc_dev * dev,struct irdma_allocate_stag_info * info,u64 scratch,bool post_sq)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->total_len && !info->all_memory) 1065 return -EINVAL; 1066 1067 if (info->page_size == 0x40000000) 1068 page_size = IRDMA_PAGE_SIZE_1G; 1069 else if (info->page_size == 0x200000) 1070 page_size = IRDMA_PAGE_SIZE_2M; 1071 else 1072 page_size = IRDMA_PAGE_SIZE_4K; 1073 1074 cqp = dev->cqp; 1075 wqe = irdma_sc_cqp_get_next_send_wqe(cqp, scratch); 1076 if (!wqe) 1077 return -ENOMEM; 1078 1079 set_64bit_val(wqe, 8, 1080 FLD_LS_64(dev, info->pd_id, IRDMA_CQPSQ_STAG_PDID) | 1081 FIELD_PREP(IRDMA_CQPSQ_STAG_STAGLEN, info->total_len)); 1082 set_64bit_val(wqe, 16, 1083 FIELD_PREP(IRDMA_CQPSQ_STAG_IDX, info->stag_idx)); 1084 set_64bit_val(wqe, 40, 1085 FIELD_PREP(IRDMA_CQPSQ_STAG_HMCFNIDX, info->hmc_fcn_index)); 1086 1087 if (info->chunk_size) 1088 set_64bit_val(wqe, 48, 1089 FIELD_PREP(IRDMA_CQPSQ_STAG_FIRSTPMPBLIDX, info->first_pm_pbl_idx)); 1090 1091 hdr = FIELD_PREP(IRDMA_CQPSQ_OPCODE, IRDMA_CQP_OP_ALLOC_STAG) | 1092 FIELD_PREP(IRDMA_CQPSQ_STAG_MR, 1) | 1093 FIELD_PREP(IRDMA_CQPSQ_STAG_ARIGHTS, info->access_rights) | 1094 FIELD_PREP(IRDMA_CQPSQ_STAG_LPBLSIZE, info->chunk_size) | 1095 FIELD_PREP(IRDMA_CQPSQ_STAG_HPAGESIZE, page_size) | 1096 FIELD_PREP(IRDMA_CQPSQ_STAG_REMACCENABLED, info->remote_access) | 1097 FIELD_PREP(IRDMA_CQPSQ_STAG_USEHMCFNIDX, info->use_hmc_fcn_index) | 1098 FIELD_PREP(IRDMA_CQPSQ_STAG_USEPFRID, info->use_pf_rid) | 1099 FIELD_PREP(IRDMA_CQPSQ_WQEVALID, cqp->polarity); 1100 dma_wmb(); /* make sure WQE is written before valid bit is set */ 1101 1102 set_64bit_val(wqe, 24, hdr); 1103 1104 print_hex_dump_debug("WQE: ALLOC_STAG WQE", DUMP_PREFIX_OFFSET, 16, 8, 1105 wqe, IRDMA_CQP_WQE_SIZE * 8, false); 1106 if (post_sq) 1107 irdma_sc_cqp_post_sq(cqp); 1108 1109 return 0; 1110 } 1111 1112 /** 1113 * irdma_sc_mr_reg_non_shared - non-shared mr registration 1114 * @dev: sc device struct 1115 * @info: mr info 1116 * @scratch: u64 saved to be used during cqp completion 1117 * @post_sq: flag for cqp db to ring 1118 */ irdma_sc_mr_reg_non_shared(struct irdma_sc_dev * dev,struct irdma_reg_ns_stag_info * info,u64 scratch,bool post_sq)1119 static int irdma_sc_mr_reg_non_shared(struct irdma_sc_dev *dev, 1120 struct irdma_reg_ns_stag_info *info, 1121 u64 scratch, bool post_sq) 1122 { 1123 __le64 *wqe; 1124 u64 fbo; 1125 struct irdma_sc_cqp *cqp; 1126 u64 hdr; 1127 u32 pble_obj_cnt; 1128 bool remote_access; 1129 u8 addr_type; 1130 enum irdma_page_size page_size; 1131 1132 if (!info->total_len && !info->all_memory) 1133 return -EINVAL; 1134 1135 if (info->page_size == 0x40000000) 1136 page_size = IRDMA_PAGE_SIZE_1G; 1137 else if (info->page_size == 0x200000) 1138 page_size = IRDMA_PAGE_SIZE_2M; 1139 else if (info->page_size == 0x1000) 1140 page_size = IRDMA_PAGE_SIZE_4K; 1141 else 1142 return -EINVAL; 1143 1144 if (info->access_rights & (IRDMA_ACCESS_FLAGS_REMOTEREAD_ONLY | 1145 IRDMA_ACCESS_FLAGS_REMOTEWRITE_ONLY)) 1146 remote_access = true; 1147 else 1148 remote_access = false; 1149 1150 pble_obj_cnt = dev->hmc_info->hmc_obj[IRDMA_HMC_IW_PBLE].cnt; 1151 if (info->chunk_size && info->first_pm_pbl_index >= pble_obj_cnt) 1152 return -EINVAL; 1153 1154 cqp = dev->cqp; 1155 wqe = irdma_sc_cqp_get_next_send_wqe(cqp, scratch); 1156 if (!wqe) 1157 return -ENOMEM; 1158 fbo = info->va & (info->page_size - 1); 1159 1160 set_64bit_val(wqe, 0, 1161 (info->addr_type == IRDMA_ADDR_TYPE_VA_BASED ? 1162 info->va : fbo)); 1163 set_64bit_val(wqe, 8, 1164 FIELD_PREP(IRDMA_CQPSQ_STAG_STAGLEN, info->total_len) | 1165 FLD_LS_64(dev, info->pd_id, IRDMA_CQPSQ_STAG_PDID)); 1166 set_64bit_val(wqe, 16, 1167 FIELD_PREP(IRDMA_CQPSQ_STAG_KEY, info->stag_key) | 1168 FIELD_PREP(IRDMA_CQPSQ_STAG_IDX, info->stag_idx)); 1169 if (!info->chunk_size) { 1170 set_64bit_val(wqe, 32, info->reg_addr_pa); 1171 set_64bit_val(wqe, 48, 0); 1172 } else { 1173 set_64bit_val(wqe, 32, 0); 1174 set_64bit_val(wqe, 48, 1175 FIELD_PREP(IRDMA_CQPSQ_STAG_FIRSTPMPBLIDX, info->first_pm_pbl_index)); 1176 } 1177 set_64bit_val(wqe, 40, info->hmc_fcn_index); 1178 set_64bit_val(wqe, 56, 0); 1179 1180 addr_type = (info->addr_type == IRDMA_ADDR_TYPE_VA_BASED) ? 1 : 0; 1181 hdr = FIELD_PREP(IRDMA_CQPSQ_OPCODE, IRDMA_CQP_OP_REG_MR) | 1182 FIELD_PREP(IRDMA_CQPSQ_STAG_MR, 1) | 1183 FIELD_PREP(IRDMA_CQPSQ_STAG_LPBLSIZE, info->chunk_size) | 1184 FIELD_PREP(IRDMA_CQPSQ_STAG_HPAGESIZE, page_size) | 1185 FIELD_PREP(IRDMA_CQPSQ_STAG_ARIGHTS, info->access_rights) | 1186 FIELD_PREP(IRDMA_CQPSQ_STAG_REMACCENABLED, remote_access) | 1187 FIELD_PREP(IRDMA_CQPSQ_STAG_VABASEDTO, addr_type) | 1188 FIELD_PREP(IRDMA_CQPSQ_STAG_USEHMCFNIDX, info->use_hmc_fcn_index) | 1189 FIELD_PREP(IRDMA_CQPSQ_STAG_USEPFRID, info->use_pf_rid) | 1190 FIELD_PREP(IRDMA_CQPSQ_WQEVALID, cqp->polarity); 1191 dma_wmb(); /* make sure WQE is written before valid bit is set */ 1192 1193 set_64bit_val(wqe, 24, hdr); 1194 1195 print_hex_dump_debug("WQE: MR_REG_NS WQE", DUMP_PREFIX_OFFSET, 16, 8, 1196 wqe, IRDMA_CQP_WQE_SIZE * 8, false); 1197 if (post_sq) 1198 irdma_sc_cqp_post_sq(cqp); 1199 1200 return 0; 1201 } 1202 1203 /** 1204 * irdma_sc_dealloc_stag - deallocate stag 1205 * @dev: sc device struct 1206 * @info: dealloc stag info 1207 * @scratch: u64 saved to be used during cqp completion 1208 * @post_sq: flag for cqp db to ring 1209 */ irdma_sc_dealloc_stag(struct irdma_sc_dev * dev,struct irdma_dealloc_stag_info * info,u64 scratch,bool post_sq)1210 static int irdma_sc_dealloc_stag(struct irdma_sc_dev *dev, 1211 struct irdma_dealloc_stag_info *info, 1212 u64 scratch, bool post_sq) 1213 { 1214 u64 hdr; 1215 __le64 *wqe; 1216 struct irdma_sc_cqp *cqp; 1217 1218 cqp = dev->cqp; 1219 wqe = irdma_sc_cqp_get_next_send_wqe(cqp, scratch); 1220 if (!wqe) 1221 return -ENOMEM; 1222 1223 set_64bit_val(wqe, 8, 1224 FLD_LS_64(dev, info->pd_id, IRDMA_CQPSQ_STAG_PDID)); 1225 set_64bit_val(wqe, 16, 1226 FIELD_PREP(IRDMA_CQPSQ_STAG_IDX, info->stag_idx)); 1227 1228 hdr = FIELD_PREP(IRDMA_CQPSQ_OPCODE, IRDMA_CQP_OP_DEALLOC_STAG) | 1229 FIELD_PREP(IRDMA_CQPSQ_STAG_MR, info->mr) | 1230 FIELD_PREP(IRDMA_CQPSQ_WQEVALID, cqp->polarity); 1231 dma_wmb(); /* make sure WQE is written before valid bit is set */ 1232 1233 set_64bit_val(wqe, 24, hdr); 1234 1235 print_hex_dump_debug("WQE: DEALLOC_STAG WQE", DUMP_PREFIX_OFFSET, 16, 1236 8, wqe, IRDMA_CQP_WQE_SIZE * 8, false); 1237 if (post_sq) 1238 irdma_sc_cqp_post_sq(cqp); 1239 1240 return 0; 1241 } 1242 1243 /** 1244 * irdma_sc_mw_alloc - mw allocate 1245 * @dev: sc device struct 1246 * @info: memory window allocation information 1247 * @scratch: u64 saved to be used during cqp completion 1248 * @post_sq: flag for cqp db to ring 1249 */ irdma_sc_mw_alloc(struct irdma_sc_dev * dev,struct irdma_mw_alloc_info * info,u64 scratch,bool post_sq)1250 static int irdma_sc_mw_alloc(struct irdma_sc_dev *dev, 1251 struct irdma_mw_alloc_info *info, u64 scratch, 1252 bool post_sq) 1253 { 1254 u64 hdr; 1255 struct irdma_sc_cqp *cqp; 1256 __le64 *wqe; 1257 1258 cqp = dev->cqp; 1259 wqe = irdma_sc_cqp_get_next_send_wqe(cqp, scratch); 1260 if (!wqe) 1261 return -ENOMEM; 1262 1263 set_64bit_val(wqe, 8, 1264 FLD_LS_64(dev, info->pd_id, IRDMA_CQPSQ_STAG_PDID)); 1265 set_64bit_val(wqe, 16, 1266 FIELD_PREP(IRDMA_CQPSQ_STAG_IDX, info->mw_stag_index)); 1267 1268 hdr = FIELD_PREP(IRDMA_CQPSQ_OPCODE, IRDMA_CQP_OP_ALLOC_STAG) | 1269 FIELD_PREP(IRDMA_CQPSQ_STAG_MWTYPE, info->mw_wide) | 1270 FIELD_PREP(IRDMA_CQPSQ_STAG_MW1_BIND_DONT_VLDT_KEY, 1271 info->mw1_bind_dont_vldt_key) | 1272 FIELD_PREP(IRDMA_CQPSQ_WQEVALID, cqp->polarity); 1273 dma_wmb(); /* make sure WQE is written before valid bit is set */ 1274 1275 set_64bit_val(wqe, 24, hdr); 1276 1277 print_hex_dump_debug("WQE: MW_ALLOC WQE", DUMP_PREFIX_OFFSET, 16, 8, 1278 wqe, IRDMA_CQP_WQE_SIZE * 8, false); 1279 if (post_sq) 1280 irdma_sc_cqp_post_sq(cqp); 1281 1282 return 0; 1283 } 1284 1285 /** 1286 * irdma_sc_mr_fast_register - Posts RDMA fast register mr WR to iwarp qp 1287 * @qp: sc qp struct 1288 * @info: fast mr info 1289 * @post_sq: flag for cqp db to ring 1290 */ irdma_sc_mr_fast_register(struct irdma_sc_qp * qp,struct irdma_fast_reg_stag_info * info,bool post_sq)1291 int irdma_sc_mr_fast_register(struct irdma_sc_qp *qp, 1292 struct irdma_fast_reg_stag_info *info, 1293 bool post_sq) 1294 { 1295 u64 temp, hdr; 1296 __le64 *wqe; 1297 u32 wqe_idx; 1298 enum irdma_page_size page_size; 1299 struct irdma_post_sq_info sq_info = {}; 1300 1301 if (info->page_size == 0x40000000) 1302 page_size = IRDMA_PAGE_SIZE_1G; 1303 else if (info->page_size == 0x200000) 1304 page_size = IRDMA_PAGE_SIZE_2M; 1305 else 1306 page_size = IRDMA_PAGE_SIZE_4K; 1307 1308 sq_info.wr_id = info->wr_id; 1309 sq_info.signaled = info->signaled; 1310 1311 wqe = irdma_qp_get_next_send_wqe(&qp->qp_uk, &wqe_idx, 1312 IRDMA_QP_WQE_MIN_QUANTA, 0, &sq_info); 1313 if (!wqe) 1314 return -ENOMEM; 1315 1316 irdma_clr_wqes(&qp->qp_uk, wqe_idx); 1317 1318 ibdev_dbg(to_ibdev(qp->dev), 1319 "MR: wr_id[%llxh] wqe_idx[%04d] location[%p]\n", 1320 info->wr_id, wqe_idx, 1321 &qp->qp_uk.sq_wrtrk_array[wqe_idx].wrid); 1322 1323 temp = (info->addr_type == IRDMA_ADDR_TYPE_VA_BASED) ? 1324 (uintptr_t)info->va : info->fbo; 1325 set_64bit_val(wqe, 0, temp); 1326 1327 temp = FIELD_GET(IRDMAQPSQ_FIRSTPMPBLIDXHI, 1328 info->first_pm_pbl_index >> 16); 1329 set_64bit_val(wqe, 8, 1330 FIELD_PREP(IRDMAQPSQ_FIRSTPMPBLIDXHI, temp) | 1331 FIELD_PREP(IRDMAQPSQ_PBLADDR >> IRDMA_HW_PAGE_SHIFT, info->reg_addr_pa)); 1332 set_64bit_val(wqe, 16, 1333 info->total_len | 1334 FIELD_PREP(IRDMAQPSQ_FIRSTPMPBLIDXLO, info->first_pm_pbl_index)); 1335 1336 hdr = FIELD_PREP(IRDMAQPSQ_STAGKEY, info->stag_key) | 1337 FIELD_PREP(IRDMAQPSQ_STAGINDEX, info->stag_idx) | 1338 FIELD_PREP(IRDMAQPSQ_OPCODE, IRDMAQP_OP_FAST_REGISTER) | 1339 FIELD_PREP(IRDMAQPSQ_LPBLSIZE, info->chunk_size) | 1340 FIELD_PREP(IRDMAQPSQ_HPAGESIZE, page_size) | 1341 FIELD_PREP(IRDMAQPSQ_STAGRIGHTS, info->access_rights) | 1342 FIELD_PREP(IRDMAQPSQ_VABASEDTO, info->addr_type) | 1343 FIELD_PREP(IRDMAQPSQ_READFENCE, info->read_fence) | 1344 FIELD_PREP(IRDMAQPSQ_LOCALFENCE, info->local_fence) | 1345 FIELD_PREP(IRDMAQPSQ_SIGCOMPL, info->signaled) | 1346 FIELD_PREP(IRDMAQPSQ_VALID, qp->qp_uk.swqe_polarity); 1347 dma_wmb(); /* make sure WQE is written before valid bit is set */ 1348 1349 set_64bit_val(wqe, 24, hdr); 1350 1351 print_hex_dump_debug("WQE: FAST_REG WQE", DUMP_PREFIX_OFFSET, 16, 8, 1352 wqe, IRDMA_QP_WQE_MIN_SIZE, false); 1353 1354 if (post_sq) 1355 irdma_uk_qp_post_wr(&qp->qp_uk); 1356 1357 return 0; 1358 } 1359 1360 /** 1361 * irdma_sc_gen_rts_ae - request AE generated after RTS 1362 * @qp: sc qp struct 1363 */ irdma_sc_gen_rts_ae(struct irdma_sc_qp * qp)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 */ irdma_sc_send_lsmm(struct irdma_sc_qp * qp,void * lsmm_buf,u32 size,irdma_stag stag)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 */ irdma_sc_send_rtt(struct irdma_sc_qp * qp,bool read)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 */ irdma_iwarp_opcode(struct irdma_aeqe_info * info,u8 * pkt)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 */ irdma_locate_mpa(u8 * pkt)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 */ irdma_bld_termhdr_ctrl(struct irdma_sc_qp * qp,struct irdma_terminate_hdr * hdr,enum irdma_flush_opcode opcode,u8 layer_etype,u8 err)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 */ irdma_bld_termhdr_ddp_rdma(u8 * pkt,struct irdma_terminate_hdr * hdr,int * copy_len,u8 * is_tagged)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 */ irdma_bld_terminate_hdr(struct irdma_sc_qp * qp,struct irdma_aeqe_info * info)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 */ irdma_terminate_send_fin(struct irdma_sc_qp * qp)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 */ irdma_terminate_connection(struct irdma_sc_qp * qp,struct irdma_aeqe_info * info)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 */ irdma_terminate_received(struct irdma_sc_qp * qp,struct irdma_aeqe_info * info)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 irdma_null_ws_add(struct irdma_sc_vsi * vsi,u8 user_pri)1838 static int irdma_null_ws_add(struct irdma_sc_vsi *vsi, u8 user_pri) 1839 { 1840 return 0; 1841 } 1842 irdma_null_ws_remove(struct irdma_sc_vsi * vsi,u8 user_pri)1843 static void irdma_null_ws_remove(struct irdma_sc_vsi *vsi, u8 user_pri) 1844 { 1845 /* do nothing */ 1846 } 1847 irdma_null_ws_reset(struct irdma_sc_vsi * vsi)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 */ irdma_sc_vsi_init(struct irdma_sc_vsi * vsi,struct irdma_vsi_init_info * info)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 1871 irdma_set_qos_info(vsi, info->params); 1872 for (i = 0; i < IRDMA_MAX_USER_PRIORITY; i++) { 1873 mutex_init(&vsi->qos[i].qos_mutex); 1874 INIT_LIST_HEAD(&vsi->qos[i].qplist); 1875 } 1876 if (vsi->register_qset) { 1877 vsi->dev->ws_add = irdma_ws_add; 1878 vsi->dev->ws_remove = irdma_ws_remove; 1879 vsi->dev->ws_reset = irdma_ws_reset; 1880 } else { 1881 vsi->dev->ws_add = irdma_null_ws_add; 1882 vsi->dev->ws_remove = irdma_null_ws_remove; 1883 vsi->dev->ws_reset = irdma_null_ws_reset; 1884 } 1885 } 1886 1887 /** 1888 * irdma_get_stats_idx - Return stats index 1889 * @vsi: pointer to the vsi 1890 */ irdma_get_stats_idx(struct irdma_sc_vsi * vsi)1891 static u8 irdma_get_stats_idx(struct irdma_sc_vsi *vsi) 1892 { 1893 struct irdma_stats_inst_info stats_info = {}; 1894 struct irdma_sc_dev *dev = vsi->dev; 1895 u8 i; 1896 1897 if (dev->hw_attrs.uk_attrs.hw_rev >= IRDMA_GEN_2) { 1898 if (!irdma_cqp_stats_inst_cmd(vsi, IRDMA_OP_STATS_ALLOCATE, 1899 &stats_info)) 1900 return stats_info.stats_idx; 1901 } 1902 1903 for (i = 0; i < IRDMA_MAX_STATS_COUNT_GEN_1; i++) { 1904 if (!dev->stats_idx_array[i]) { 1905 dev->stats_idx_array[i] = true; 1906 return i; 1907 } 1908 } 1909 1910 return IRDMA_INVALID_STATS_IDX; 1911 } 1912 1913 /** 1914 * irdma_hw_stats_init_gen1 - Initialize stat reg table used for gen1 1915 * @vsi: vsi structure where hw_regs are set 1916 * 1917 * Populate the HW stats table 1918 */ irdma_hw_stats_init_gen1(struct irdma_sc_vsi * vsi)1919 static void irdma_hw_stats_init_gen1(struct irdma_sc_vsi *vsi) 1920 { 1921 struct irdma_sc_dev *dev = vsi->dev; 1922 const struct irdma_hw_stat_map *map; 1923 u64 *stat_reg = vsi->hw_stats_regs; 1924 u64 *regs = dev->hw_stats_regs; 1925 u16 i, stats_reg_set = vsi->stats_idx; 1926 1927 map = dev->hw_stats_map; 1928 1929 /* First 4 stat instances are reserved for port level statistics. */ 1930 stats_reg_set += vsi->stats_inst_alloc ? IRDMA_FIRST_NON_PF_STAT : 0; 1931 1932 for (i = 0; i < dev->hw_attrs.max_stat_idx; i++) { 1933 if (map[i].bitmask <= IRDMA_MAX_STATS_32) 1934 stat_reg[i] = regs[i] + stats_reg_set * sizeof(u32); 1935 else 1936 stat_reg[i] = regs[i] + stats_reg_set * sizeof(u64); 1937 } 1938 } 1939 1940 /** 1941 * irdma_vsi_stats_init - Initialize the vsi statistics 1942 * @vsi: pointer to the vsi structure 1943 * @info: The info structure used for initialization 1944 */ irdma_vsi_stats_init(struct irdma_sc_vsi * vsi,struct irdma_vsi_stats_info * info)1945 int irdma_vsi_stats_init(struct irdma_sc_vsi *vsi, 1946 struct irdma_vsi_stats_info *info) 1947 { 1948 struct irdma_dma_mem *stats_buff_mem; 1949 1950 vsi->pestat = info->pestat; 1951 vsi->pestat->hw = vsi->dev->hw; 1952 vsi->pestat->vsi = vsi; 1953 stats_buff_mem = &vsi->pestat->gather_info.stats_buff_mem; 1954 stats_buff_mem->size = ALIGN(IRDMA_GATHER_STATS_BUF_SIZE * 2, 1); 1955 stats_buff_mem->va = dma_alloc_coherent(vsi->pestat->hw->device, 1956 stats_buff_mem->size, 1957 &stats_buff_mem->pa, 1958 GFP_KERNEL); 1959 if (!stats_buff_mem->va) 1960 return -ENOMEM; 1961 1962 vsi->pestat->gather_info.gather_stats_va = stats_buff_mem->va; 1963 vsi->pestat->gather_info.last_gather_stats_va = 1964 (void *)((uintptr_t)stats_buff_mem->va + 1965 IRDMA_GATHER_STATS_BUF_SIZE); 1966 1967 irdma_hw_stats_start_timer(vsi); 1968 1969 /* when stat allocation is not required default to fcn_id. */ 1970 vsi->stats_idx = info->fcn_id; 1971 if (info->alloc_stats_inst) { 1972 u8 stats_idx = irdma_get_stats_idx(vsi); 1973 1974 if (stats_idx != IRDMA_INVALID_STATS_IDX) { 1975 vsi->stats_inst_alloc = true; 1976 vsi->stats_idx = stats_idx; 1977 vsi->pestat->gather_info.use_stats_inst = true; 1978 vsi->pestat->gather_info.stats_inst_index = stats_idx; 1979 } 1980 } 1981 1982 if (vsi->dev->hw_attrs.uk_attrs.hw_rev == IRDMA_GEN_1) 1983 irdma_hw_stats_init_gen1(vsi); 1984 1985 return 0; 1986 } 1987 1988 /** 1989 * irdma_vsi_stats_free - Free the vsi stats 1990 * @vsi: pointer to the vsi structure 1991 */ irdma_vsi_stats_free(struct irdma_sc_vsi * vsi)1992 void irdma_vsi_stats_free(struct irdma_sc_vsi *vsi) 1993 { 1994 struct irdma_stats_inst_info stats_info = {}; 1995 struct irdma_sc_dev *dev = vsi->dev; 1996 u8 stats_idx = vsi->stats_idx; 1997 1998 if (dev->hw_attrs.uk_attrs.hw_rev >= IRDMA_GEN_2) { 1999 if (vsi->stats_inst_alloc) { 2000 stats_info.stats_idx = vsi->stats_idx; 2001 irdma_cqp_stats_inst_cmd(vsi, IRDMA_OP_STATS_FREE, 2002 &stats_info); 2003 } 2004 } else { 2005 if (vsi->stats_inst_alloc && 2006 stats_idx < vsi->dev->hw_attrs.max_stat_inst) 2007 vsi->dev->stats_idx_array[stats_idx] = false; 2008 } 2009 2010 if (!vsi->pestat) 2011 return; 2012 irdma_hw_stats_stop_timer(vsi); 2013 dma_free_coherent(vsi->pestat->hw->device, 2014 vsi->pestat->gather_info.stats_buff_mem.size, 2015 vsi->pestat->gather_info.stats_buff_mem.va, 2016 vsi->pestat->gather_info.stats_buff_mem.pa); 2017 vsi->pestat->gather_info.stats_buff_mem.va = NULL; 2018 } 2019 2020 /** 2021 * irdma_get_encoded_wqe_size - given wq size, returns hardware encoded size 2022 * @wqsize: size of the wq (sq, rq) to encoded_size 2023 * @queue_type: queue type selected for the calculation algorithm 2024 */ irdma_get_encoded_wqe_size(u32 wqsize,enum irdma_queue_type queue_type)2025 u8 irdma_get_encoded_wqe_size(u32 wqsize, enum irdma_queue_type queue_type) 2026 { 2027 u8 encoded_size = 0; 2028 2029 /* cqp sq's hw coded value starts from 1 for size of 4 2030 * while it starts from 0 for qp' wq's. 2031 */ 2032 if (queue_type == IRDMA_QUEUE_TYPE_CQP) 2033 encoded_size = 1; 2034 wqsize >>= 2; 2035 while (wqsize >>= 1) 2036 encoded_size++; 2037 2038 return encoded_size; 2039 } 2040 2041 /** 2042 * irdma_sc_gather_stats - collect the statistics 2043 * @cqp: struct for cqp hw 2044 * @info: gather stats info structure 2045 * @scratch: u64 saved to be used during cqp completion 2046 */ irdma_sc_gather_stats(struct irdma_sc_cqp * cqp,struct irdma_stats_gather_info * info,u64 scratch)2047 static int irdma_sc_gather_stats(struct irdma_sc_cqp *cqp, 2048 struct irdma_stats_gather_info *info, 2049 u64 scratch) 2050 { 2051 __le64 *wqe; 2052 u64 temp; 2053 2054 if (info->stats_buff_mem.size < IRDMA_GATHER_STATS_BUF_SIZE) 2055 return -ENOMEM; 2056 2057 wqe = irdma_sc_cqp_get_next_send_wqe(cqp, scratch); 2058 if (!wqe) 2059 return -ENOMEM; 2060 2061 set_64bit_val(wqe, 40, 2062 FIELD_PREP(IRDMA_CQPSQ_STATS_HMC_FCN_INDEX, info->hmc_fcn_index)); 2063 set_64bit_val(wqe, 32, info->stats_buff_mem.pa); 2064 2065 temp = FIELD_PREP(IRDMA_CQPSQ_STATS_WQEVALID, cqp->polarity) | 2066 FIELD_PREP(IRDMA_CQPSQ_STATS_USE_INST, info->use_stats_inst) | 2067 FIELD_PREP(IRDMA_CQPSQ_STATS_INST_INDEX, 2068 info->stats_inst_index) | 2069 FIELD_PREP(IRDMA_CQPSQ_STATS_USE_HMC_FCN_INDEX, 2070 info->use_hmc_fcn_index) | 2071 FIELD_PREP(IRDMA_CQPSQ_STATS_OP, IRDMA_CQP_OP_GATHER_STATS); 2072 dma_wmb(); /* make sure WQE is written before valid bit is set */ 2073 2074 set_64bit_val(wqe, 24, temp); 2075 2076 print_hex_dump_debug("STATS: GATHER_STATS WQE", DUMP_PREFIX_OFFSET, 2077 16, 8, wqe, IRDMA_CQP_WQE_SIZE * 8, false); 2078 2079 irdma_sc_cqp_post_sq(cqp); 2080 ibdev_dbg(to_ibdev(cqp->dev), 2081 "STATS: CQP SQ head 0x%x tail 0x%x size 0x%x\n", 2082 cqp->sq_ring.head, cqp->sq_ring.tail, cqp->sq_ring.size); 2083 2084 return 0; 2085 } 2086 2087 /** 2088 * irdma_sc_manage_stats_inst - allocate or free stats instance 2089 * @cqp: struct for cqp hw 2090 * @info: stats info structure 2091 * @alloc: alloc vs. delete flag 2092 * @scratch: u64 saved to be used during cqp completion 2093 */ irdma_sc_manage_stats_inst(struct irdma_sc_cqp * cqp,struct irdma_stats_inst_info * info,bool alloc,u64 scratch)2094 static int irdma_sc_manage_stats_inst(struct irdma_sc_cqp *cqp, 2095 struct irdma_stats_inst_info *info, 2096 bool alloc, u64 scratch) 2097 { 2098 __le64 *wqe; 2099 u64 temp; 2100 2101 wqe = irdma_sc_cqp_get_next_send_wqe(cqp, scratch); 2102 if (!wqe) 2103 return -ENOMEM; 2104 2105 set_64bit_val(wqe, 40, 2106 FIELD_PREP(IRDMA_CQPSQ_STATS_HMC_FCN_INDEX, info->hmc_fn_id)); 2107 temp = FIELD_PREP(IRDMA_CQPSQ_STATS_WQEVALID, cqp->polarity) | 2108 FIELD_PREP(IRDMA_CQPSQ_STATS_ALLOC_INST, alloc) | 2109 FIELD_PREP(IRDMA_CQPSQ_STATS_USE_HMC_FCN_INDEX, 2110 info->use_hmc_fcn_index) | 2111 FIELD_PREP(IRDMA_CQPSQ_STATS_INST_INDEX, info->stats_idx) | 2112 FIELD_PREP(IRDMA_CQPSQ_STATS_OP, IRDMA_CQP_OP_MANAGE_STATS); 2113 2114 dma_wmb(); /* make sure WQE is written before valid bit is set */ 2115 2116 set_64bit_val(wqe, 24, temp); 2117 2118 print_hex_dump_debug("WQE: MANAGE_STATS WQE", DUMP_PREFIX_OFFSET, 16, 2119 8, wqe, IRDMA_CQP_WQE_SIZE * 8, false); 2120 2121 irdma_sc_cqp_post_sq(cqp); 2122 return 0; 2123 } 2124 2125 /** 2126 * irdma_sc_set_up_map - set the up map table 2127 * @cqp: struct for cqp hw 2128 * @info: User priority map info 2129 * @scratch: u64 saved to be used during cqp completion 2130 */ irdma_sc_set_up_map(struct irdma_sc_cqp * cqp,struct irdma_up_info * info,u64 scratch)2131 static int irdma_sc_set_up_map(struct irdma_sc_cqp *cqp, 2132 struct irdma_up_info *info, u64 scratch) 2133 { 2134 __le64 *wqe; 2135 u64 temp = 0; 2136 int i; 2137 2138 wqe = irdma_sc_cqp_get_next_send_wqe(cqp, scratch); 2139 if (!wqe) 2140 return -ENOMEM; 2141 2142 for (i = 0; i < IRDMA_MAX_USER_PRIORITY; i++) 2143 temp |= (u64)info->map[i] << (i * 8); 2144 2145 set_64bit_val(wqe, 0, temp); 2146 set_64bit_val(wqe, 40, 2147 FIELD_PREP(IRDMA_CQPSQ_UP_CNPOVERRIDE, info->cnp_up_override) | 2148 FIELD_PREP(IRDMA_CQPSQ_UP_HMCFCNIDX, info->hmc_fcn_idx)); 2149 2150 temp = FIELD_PREP(IRDMA_CQPSQ_UP_WQEVALID, cqp->polarity) | 2151 FIELD_PREP(IRDMA_CQPSQ_UP_USEVLAN, info->use_vlan) | 2152 FIELD_PREP(IRDMA_CQPSQ_UP_USEOVERRIDE, 2153 info->use_cnp_up_override) | 2154 FIELD_PREP(IRDMA_CQPSQ_UP_OP, IRDMA_CQP_OP_UP_MAP); 2155 dma_wmb(); /* make sure WQE is written before valid bit is set */ 2156 2157 set_64bit_val(wqe, 24, temp); 2158 2159 print_hex_dump_debug("WQE: UPMAP WQE", DUMP_PREFIX_OFFSET, 16, 8, wqe, 2160 IRDMA_CQP_WQE_SIZE * 8, false); 2161 irdma_sc_cqp_post_sq(cqp); 2162 2163 return 0; 2164 } 2165 2166 /** 2167 * irdma_sc_manage_ws_node - create/modify/destroy WS node 2168 * @cqp: struct for cqp hw 2169 * @info: node info structure 2170 * @node_op: 0 for add 1 for modify, 2 for delete 2171 * @scratch: u64 saved to be used during cqp completion 2172 */ irdma_sc_manage_ws_node(struct irdma_sc_cqp * cqp,struct irdma_ws_node_info * info,enum irdma_ws_node_op node_op,u64 scratch)2173 static int irdma_sc_manage_ws_node(struct irdma_sc_cqp *cqp, 2174 struct irdma_ws_node_info *info, 2175 enum irdma_ws_node_op node_op, u64 scratch) 2176 { 2177 __le64 *wqe; 2178 u64 temp = 0; 2179 2180 wqe = irdma_sc_cqp_get_next_send_wqe(cqp, scratch); 2181 if (!wqe) 2182 return -ENOMEM; 2183 2184 set_64bit_val(wqe, 32, 2185 FIELD_PREP(IRDMA_CQPSQ_WS_VSI, info->vsi) | 2186 FIELD_PREP(IRDMA_CQPSQ_WS_WEIGHT, info->weight)); 2187 2188 temp = FIELD_PREP(IRDMA_CQPSQ_WS_WQEVALID, cqp->polarity) | 2189 FIELD_PREP(IRDMA_CQPSQ_WS_NODEOP, node_op) | 2190 FIELD_PREP(IRDMA_CQPSQ_WS_ENABLENODE, info->enable) | 2191 FIELD_PREP(IRDMA_CQPSQ_WS_NODETYPE, info->type_leaf) | 2192 FIELD_PREP(IRDMA_CQPSQ_WS_PRIOTYPE, info->prio_type) | 2193 FIELD_PREP(IRDMA_CQPSQ_WS_TC, info->tc) | 2194 FIELD_PREP(IRDMA_CQPSQ_WS_OP, IRDMA_CQP_OP_WORK_SCHED_NODE) | 2195 FIELD_PREP(IRDMA_CQPSQ_WS_PARENTID, info->parent_id) | 2196 FIELD_PREP(IRDMA_CQPSQ_WS_NODEID, info->id); 2197 dma_wmb(); /* make sure WQE is written before valid bit is set */ 2198 2199 set_64bit_val(wqe, 24, temp); 2200 2201 print_hex_dump_debug("WQE: MANAGE_WS WQE", DUMP_PREFIX_OFFSET, 16, 8, 2202 wqe, IRDMA_CQP_WQE_SIZE * 8, false); 2203 irdma_sc_cqp_post_sq(cqp); 2204 2205 return 0; 2206 } 2207 2208 /** 2209 * irdma_sc_qp_flush_wqes - flush qp's wqe 2210 * @qp: sc qp 2211 * @info: dlush information 2212 * @scratch: u64 saved to be used during cqp completion 2213 * @post_sq: flag for cqp db to ring 2214 */ irdma_sc_qp_flush_wqes(struct irdma_sc_qp * qp,struct irdma_qp_flush_info * info,u64 scratch,bool post_sq)2215 int irdma_sc_qp_flush_wqes(struct irdma_sc_qp *qp, 2216 struct irdma_qp_flush_info *info, u64 scratch, 2217 bool post_sq) 2218 { 2219 u64 temp = 0; 2220 __le64 *wqe; 2221 struct irdma_sc_cqp *cqp; 2222 u64 hdr; 2223 bool flush_sq = false, flush_rq = false; 2224 2225 if (info->rq && !qp->flush_rq) 2226 flush_rq = true; 2227 if (info->sq && !qp->flush_sq) 2228 flush_sq = true; 2229 qp->flush_sq |= flush_sq; 2230 qp->flush_rq |= flush_rq; 2231 2232 if (!flush_sq && !flush_rq) { 2233 ibdev_dbg(to_ibdev(qp->dev), 2234 "CQP: Additional flush request ignored for qp %x\n", 2235 qp->qp_uk.qp_id); 2236 return -EALREADY; 2237 } 2238 2239 cqp = qp->pd->dev->cqp; 2240 wqe = irdma_sc_cqp_get_next_send_wqe(cqp, scratch); 2241 if (!wqe) 2242 return -ENOMEM; 2243 2244 if (info->userflushcode) { 2245 if (flush_rq) 2246 temp |= FIELD_PREP(IRDMA_CQPSQ_FWQE_RQMNERR, 2247 info->rq_minor_code) | 2248 FIELD_PREP(IRDMA_CQPSQ_FWQE_RQMJERR, 2249 info->rq_major_code); 2250 if (flush_sq) 2251 temp |= FIELD_PREP(IRDMA_CQPSQ_FWQE_SQMNERR, 2252 info->sq_minor_code) | 2253 FIELD_PREP(IRDMA_CQPSQ_FWQE_SQMJERR, 2254 info->sq_major_code); 2255 } 2256 set_64bit_val(wqe, 16, temp); 2257 2258 temp = (info->generate_ae) ? 2259 info->ae_code | FIELD_PREP(IRDMA_CQPSQ_FWQE_AESOURCE, 2260 info->ae_src) : 0; 2261 set_64bit_val(wqe, 8, temp); 2262 2263 hdr = qp->qp_uk.qp_id | 2264 FIELD_PREP(IRDMA_CQPSQ_OPCODE, IRDMA_CQP_OP_FLUSH_WQES) | 2265 FIELD_PREP(IRDMA_CQPSQ_FWQE_GENERATE_AE, info->generate_ae) | 2266 FIELD_PREP(IRDMA_CQPSQ_FWQE_USERFLCODE, info->userflushcode) | 2267 FIELD_PREP(IRDMA_CQPSQ_FWQE_FLUSHSQ, flush_sq) | 2268 FIELD_PREP(IRDMA_CQPSQ_FWQE_FLUSHRQ, flush_rq) | 2269 FIELD_PREP(IRDMA_CQPSQ_WQEVALID, cqp->polarity); 2270 dma_wmb(); /* make sure WQE is written before valid bit is set */ 2271 2272 set_64bit_val(wqe, 24, hdr); 2273 2274 print_hex_dump_debug("WQE: QP_FLUSH WQE", DUMP_PREFIX_OFFSET, 16, 8, 2275 wqe, IRDMA_CQP_WQE_SIZE * 8, false); 2276 if (post_sq) 2277 irdma_sc_cqp_post_sq(cqp); 2278 2279 return 0; 2280 } 2281 2282 /** 2283 * irdma_sc_gen_ae - generate AE, uses flush WQE CQP OP 2284 * @qp: sc qp 2285 * @info: gen ae information 2286 * @scratch: u64 saved to be used during cqp completion 2287 * @post_sq: flag for cqp db to ring 2288 */ irdma_sc_gen_ae(struct irdma_sc_qp * qp,struct irdma_gen_ae_info * info,u64 scratch,bool post_sq)2289 static int irdma_sc_gen_ae(struct irdma_sc_qp *qp, 2290 struct irdma_gen_ae_info *info, u64 scratch, 2291 bool post_sq) 2292 { 2293 u64 temp; 2294 __le64 *wqe; 2295 struct irdma_sc_cqp *cqp; 2296 u64 hdr; 2297 2298 cqp = qp->pd->dev->cqp; 2299 wqe = irdma_sc_cqp_get_next_send_wqe(cqp, scratch); 2300 if (!wqe) 2301 return -ENOMEM; 2302 2303 temp = info->ae_code | FIELD_PREP(IRDMA_CQPSQ_FWQE_AESOURCE, 2304 info->ae_src); 2305 set_64bit_val(wqe, 8, temp); 2306 2307 hdr = qp->qp_uk.qp_id | FIELD_PREP(IRDMA_CQPSQ_OPCODE, 2308 IRDMA_CQP_OP_GEN_AE) | 2309 FIELD_PREP(IRDMA_CQPSQ_FWQE_GENERATE_AE, 1) | 2310 FIELD_PREP(IRDMA_CQPSQ_WQEVALID, cqp->polarity); 2311 dma_wmb(); /* make sure WQE is written before valid bit is set */ 2312 2313 set_64bit_val(wqe, 24, hdr); 2314 2315 print_hex_dump_debug("WQE: GEN_AE WQE", DUMP_PREFIX_OFFSET, 16, 8, 2316 wqe, IRDMA_CQP_WQE_SIZE * 8, false); 2317 if (post_sq) 2318 irdma_sc_cqp_post_sq(cqp); 2319 2320 return 0; 2321 } 2322 2323 /*** irdma_sc_qp_upload_context - upload qp's context 2324 * @dev: sc device struct 2325 * @info: upload context info ptr for return 2326 * @scratch: u64 saved to be used during cqp completion 2327 * @post_sq: flag for cqp db to ring 2328 */ irdma_sc_qp_upload_context(struct irdma_sc_dev * dev,struct irdma_upload_context_info * info,u64 scratch,bool post_sq)2329 static int irdma_sc_qp_upload_context(struct irdma_sc_dev *dev, 2330 struct irdma_upload_context_info *info, 2331 u64 scratch, bool post_sq) 2332 { 2333 __le64 *wqe; 2334 struct irdma_sc_cqp *cqp; 2335 u64 hdr; 2336 2337 cqp = dev->cqp; 2338 wqe = irdma_sc_cqp_get_next_send_wqe(cqp, scratch); 2339 if (!wqe) 2340 return -ENOMEM; 2341 2342 set_64bit_val(wqe, 16, info->buf_pa); 2343 2344 hdr = FIELD_PREP(IRDMA_CQPSQ_UCTX_QPID, info->qp_id) | 2345 FIELD_PREP(IRDMA_CQPSQ_OPCODE, IRDMA_CQP_OP_UPLOAD_CONTEXT) | 2346 FIELD_PREP(IRDMA_CQPSQ_UCTX_QPTYPE, info->qp_type) | 2347 FIELD_PREP(IRDMA_CQPSQ_UCTX_RAWFORMAT, info->raw_format) | 2348 FIELD_PREP(IRDMA_CQPSQ_UCTX_FREEZEQP, info->freeze_qp) | 2349 FIELD_PREP(IRDMA_CQPSQ_WQEVALID, cqp->polarity); 2350 dma_wmb(); /* make sure WQE is written before valid bit is set */ 2351 2352 set_64bit_val(wqe, 24, hdr); 2353 2354 print_hex_dump_debug("WQE: QP_UPLOAD_CTX WQE", DUMP_PREFIX_OFFSET, 16, 2355 8, wqe, IRDMA_CQP_WQE_SIZE * 8, false); 2356 if (post_sq) 2357 irdma_sc_cqp_post_sq(cqp); 2358 2359 return 0; 2360 } 2361 2362 /** 2363 * irdma_sc_manage_push_page - Handle push page 2364 * @cqp: struct for cqp hw 2365 * @info: push page info 2366 * @scratch: u64 saved to be used during cqp completion 2367 * @post_sq: flag for cqp db to ring 2368 */ irdma_sc_manage_push_page(struct irdma_sc_cqp * cqp,struct irdma_cqp_manage_push_page_info * info,u64 scratch,bool post_sq)2369 static int irdma_sc_manage_push_page(struct irdma_sc_cqp *cqp, 2370 struct irdma_cqp_manage_push_page_info *info, 2371 u64 scratch, bool post_sq) 2372 { 2373 __le64 *wqe; 2374 u64 hdr; 2375 2376 if (info->free_page && 2377 info->push_idx >= cqp->dev->hw_attrs.max_hw_device_pages) 2378 return -EINVAL; 2379 2380 wqe = irdma_sc_cqp_get_next_send_wqe(cqp, scratch); 2381 if (!wqe) 2382 return -ENOMEM; 2383 2384 set_64bit_val(wqe, 16, info->qs_handle); 2385 hdr = FIELD_PREP(IRDMA_CQPSQ_MPP_PPIDX, info->push_idx) | 2386 FIELD_PREP(IRDMA_CQPSQ_MPP_PPTYPE, info->push_page_type) | 2387 FIELD_PREP(IRDMA_CQPSQ_OPCODE, IRDMA_CQP_OP_MANAGE_PUSH_PAGES) | 2388 FIELD_PREP(IRDMA_CQPSQ_WQEVALID, cqp->polarity) | 2389 FIELD_PREP(IRDMA_CQPSQ_MPP_FREE_PAGE, info->free_page); 2390 dma_wmb(); /* make sure WQE is written before valid bit is set */ 2391 2392 set_64bit_val(wqe, 24, hdr); 2393 2394 print_hex_dump_debug("WQE: MANAGE_PUSH_PAGES WQE", DUMP_PREFIX_OFFSET, 2395 16, 8, wqe, IRDMA_CQP_WQE_SIZE * 8, false); 2396 if (post_sq) 2397 irdma_sc_cqp_post_sq(cqp); 2398 2399 return 0; 2400 } 2401 2402 /** 2403 * irdma_sc_suspend_qp - suspend qp for param change 2404 * @cqp: struct for cqp hw 2405 * @qp: sc qp struct 2406 * @scratch: u64 saved to be used during cqp completion 2407 */ irdma_sc_suspend_qp(struct irdma_sc_cqp * cqp,struct irdma_sc_qp * qp,u64 scratch)2408 static int irdma_sc_suspend_qp(struct irdma_sc_cqp *cqp, struct irdma_sc_qp *qp, 2409 u64 scratch) 2410 { 2411 u64 hdr; 2412 __le64 *wqe; 2413 2414 wqe = irdma_sc_cqp_get_next_send_wqe(cqp, scratch); 2415 if (!wqe) 2416 return -ENOMEM; 2417 2418 hdr = FIELD_PREP(IRDMA_CQPSQ_SUSPENDQP_QPID, qp->qp_uk.qp_id) | 2419 FIELD_PREP(IRDMA_CQPSQ_OPCODE, IRDMA_CQP_OP_SUSPEND_QP) | 2420 FIELD_PREP(IRDMA_CQPSQ_WQEVALID, cqp->polarity); 2421 dma_wmb(); /* make sure WQE is written before valid bit is set */ 2422 2423 set_64bit_val(wqe, 24, hdr); 2424 2425 print_hex_dump_debug("WQE: SUSPEND_QP WQE", DUMP_PREFIX_OFFSET, 16, 8, 2426 wqe, IRDMA_CQP_WQE_SIZE * 8, false); 2427 irdma_sc_cqp_post_sq(cqp); 2428 2429 return 0; 2430 } 2431 2432 /** 2433 * irdma_sc_resume_qp - resume qp after suspend 2434 * @cqp: struct for cqp hw 2435 * @qp: sc qp struct 2436 * @scratch: u64 saved to be used during cqp completion 2437 */ irdma_sc_resume_qp(struct irdma_sc_cqp * cqp,struct irdma_sc_qp * qp,u64 scratch)2438 static int irdma_sc_resume_qp(struct irdma_sc_cqp *cqp, struct irdma_sc_qp *qp, 2439 u64 scratch) 2440 { 2441 u64 hdr; 2442 __le64 *wqe; 2443 2444 wqe = irdma_sc_cqp_get_next_send_wqe(cqp, scratch); 2445 if (!wqe) 2446 return -ENOMEM; 2447 2448 set_64bit_val(wqe, 16, 2449 FIELD_PREP(IRDMA_CQPSQ_RESUMEQP_QSHANDLE, qp->qs_handle)); 2450 2451 hdr = FIELD_PREP(IRDMA_CQPSQ_RESUMEQP_QPID, qp->qp_uk.qp_id) | 2452 FIELD_PREP(IRDMA_CQPSQ_OPCODE, IRDMA_CQP_OP_RESUME_QP) | 2453 FIELD_PREP(IRDMA_CQPSQ_WQEVALID, cqp->polarity); 2454 dma_wmb(); /* make sure WQE is written before valid bit is set */ 2455 2456 set_64bit_val(wqe, 24, hdr); 2457 2458 print_hex_dump_debug("WQE: RESUME_QP WQE", DUMP_PREFIX_OFFSET, 16, 8, 2459 wqe, IRDMA_CQP_WQE_SIZE * 8, false); 2460 irdma_sc_cqp_post_sq(cqp); 2461 2462 return 0; 2463 } 2464 2465 /** 2466 * irdma_sc_cq_ack - acknowledge completion q 2467 * @cq: cq struct 2468 */ irdma_sc_cq_ack(struct irdma_sc_cq * cq)2469 static inline void irdma_sc_cq_ack(struct irdma_sc_cq *cq) 2470 { 2471 writel(cq->cq_uk.cq_id, cq->cq_uk.cq_ack_db); 2472 } 2473 2474 /** 2475 * irdma_sc_cq_init - initialize completion q 2476 * @cq: cq struct 2477 * @info: cq initialization info 2478 */ irdma_sc_cq_init(struct irdma_sc_cq * cq,struct irdma_cq_init_info * info)2479 int irdma_sc_cq_init(struct irdma_sc_cq *cq, struct irdma_cq_init_info *info) 2480 { 2481 u32 pble_obj_cnt; 2482 2483 pble_obj_cnt = info->dev->hmc_info->hmc_obj[IRDMA_HMC_IW_PBLE].cnt; 2484 if (info->virtual_map && info->first_pm_pbl_idx >= pble_obj_cnt) 2485 return -EINVAL; 2486 2487 cq->cq_pa = info->cq_base_pa; 2488 cq->dev = info->dev; 2489 cq->ceq_id = info->ceq_id; 2490 info->cq_uk_init_info.cqe_alloc_db = cq->dev->cq_arm_db; 2491 info->cq_uk_init_info.cq_ack_db = cq->dev->cq_ack_db; 2492 irdma_uk_cq_init(&cq->cq_uk, &info->cq_uk_init_info); 2493 2494 cq->virtual_map = info->virtual_map; 2495 cq->pbl_chunk_size = info->pbl_chunk_size; 2496 cq->ceqe_mask = info->ceqe_mask; 2497 cq->cq_type = (info->type) ? info->type : IRDMA_CQ_TYPE_IWARP; 2498 cq->shadow_area_pa = info->shadow_area_pa; 2499 cq->shadow_read_threshold = info->shadow_read_threshold; 2500 cq->ceq_id_valid = info->ceq_id_valid; 2501 cq->tph_en = info->tph_en; 2502 cq->tph_val = info->tph_val; 2503 cq->first_pm_pbl_idx = info->first_pm_pbl_idx; 2504 cq->vsi = info->vsi; 2505 2506 return 0; 2507 } 2508 2509 /** 2510 * irdma_sc_cq_create - create completion q 2511 * @cq: cq struct 2512 * @scratch: u64 saved to be used during cqp completion 2513 * @check_overflow: flag for overflow check 2514 * @post_sq: flag for cqp db to ring 2515 */ irdma_sc_cq_create(struct irdma_sc_cq * cq,u64 scratch,bool check_overflow,bool post_sq)2516 static int irdma_sc_cq_create(struct irdma_sc_cq *cq, u64 scratch, 2517 bool check_overflow, bool post_sq) 2518 { 2519 __le64 *wqe; 2520 struct irdma_sc_cqp *cqp; 2521 u64 hdr; 2522 struct irdma_sc_ceq *ceq; 2523 int ret_code = 0; 2524 2525 cqp = cq->dev->cqp; 2526 if (cq->cq_uk.cq_id >= cqp->dev->hmc_info->hmc_obj[IRDMA_HMC_IW_CQ].max_cnt) 2527 return -EINVAL; 2528 2529 if (cq->ceq_id >= cq->dev->hmc_fpm_misc.max_ceqs) 2530 return -EINVAL; 2531 2532 ceq = cq->dev->ceq[cq->ceq_id]; 2533 if (ceq && ceq->reg_cq) 2534 ret_code = irdma_sc_add_cq_ctx(ceq, cq); 2535 2536 if (ret_code) 2537 return ret_code; 2538 2539 wqe = irdma_sc_cqp_get_next_send_wqe(cqp, scratch); 2540 if (!wqe) { 2541 if (ceq && ceq->reg_cq) 2542 irdma_sc_remove_cq_ctx(ceq, cq); 2543 return -ENOMEM; 2544 } 2545 2546 set_64bit_val(wqe, 0, cq->cq_uk.cq_size); 2547 set_64bit_val(wqe, 8, (uintptr_t)cq >> 1); 2548 set_64bit_val(wqe, 16, 2549 FIELD_PREP(IRDMA_CQPSQ_CQ_SHADOW_READ_THRESHOLD, cq->shadow_read_threshold)); 2550 set_64bit_val(wqe, 32, (cq->virtual_map ? 0 : cq->cq_pa)); 2551 set_64bit_val(wqe, 40, cq->shadow_area_pa); 2552 set_64bit_val(wqe, 48, 2553 FIELD_PREP(IRDMA_CQPSQ_CQ_FIRSTPMPBLIDX, (cq->virtual_map ? cq->first_pm_pbl_idx : 0))); 2554 set_64bit_val(wqe, 56, 2555 FIELD_PREP(IRDMA_CQPSQ_TPHVAL, cq->tph_val) | 2556 FIELD_PREP(IRDMA_CQPSQ_VSIIDX, cq->vsi->vsi_idx)); 2557 2558 hdr = FLD_LS_64(cq->dev, cq->cq_uk.cq_id, IRDMA_CQPSQ_CQ_CQID) | 2559 FLD_LS_64(cq->dev, (cq->ceq_id_valid ? cq->ceq_id : 0), 2560 IRDMA_CQPSQ_CQ_CEQID) | 2561 FIELD_PREP(IRDMA_CQPSQ_OPCODE, IRDMA_CQP_OP_CREATE_CQ) | 2562 FIELD_PREP(IRDMA_CQPSQ_CQ_LPBLSIZE, cq->pbl_chunk_size) | 2563 FIELD_PREP(IRDMA_CQPSQ_CQ_CHKOVERFLOW, check_overflow) | 2564 FIELD_PREP(IRDMA_CQPSQ_CQ_VIRTMAP, cq->virtual_map) | 2565 FIELD_PREP(IRDMA_CQPSQ_CQ_ENCEQEMASK, cq->ceqe_mask) | 2566 FIELD_PREP(IRDMA_CQPSQ_CQ_CEQIDVALID, cq->ceq_id_valid) | 2567 FIELD_PREP(IRDMA_CQPSQ_TPHEN, cq->tph_en) | 2568 FIELD_PREP(IRDMA_CQPSQ_CQ_AVOIDMEMCNFLCT, 2569 cq->cq_uk.avoid_mem_cflct) | 2570 FIELD_PREP(IRDMA_CQPSQ_WQEVALID, cqp->polarity); 2571 dma_wmb(); /* make sure WQE is written before valid bit is set */ 2572 2573 set_64bit_val(wqe, 24, hdr); 2574 2575 print_hex_dump_debug("WQE: CQ_CREATE WQE", DUMP_PREFIX_OFFSET, 16, 8, 2576 wqe, IRDMA_CQP_WQE_SIZE * 8, false); 2577 if (post_sq) 2578 irdma_sc_cqp_post_sq(cqp); 2579 2580 return 0; 2581 } 2582 2583 /** 2584 * irdma_sc_cq_destroy - destroy completion q 2585 * @cq: cq struct 2586 * @scratch: u64 saved to be used during cqp completion 2587 * @post_sq: flag for cqp db to ring 2588 */ irdma_sc_cq_destroy(struct irdma_sc_cq * cq,u64 scratch,bool post_sq)2589 int irdma_sc_cq_destroy(struct irdma_sc_cq *cq, u64 scratch, bool post_sq) 2590 { 2591 struct irdma_sc_cqp *cqp; 2592 __le64 *wqe; 2593 u64 hdr; 2594 struct irdma_sc_ceq *ceq; 2595 2596 cqp = cq->dev->cqp; 2597 wqe = irdma_sc_cqp_get_next_send_wqe(cqp, scratch); 2598 if (!wqe) 2599 return -ENOMEM; 2600 2601 ceq = cq->dev->ceq[cq->ceq_id]; 2602 if (ceq && ceq->reg_cq) 2603 irdma_sc_remove_cq_ctx(ceq, cq); 2604 2605 set_64bit_val(wqe, 0, cq->cq_uk.cq_size); 2606 set_64bit_val(wqe, 8, (uintptr_t)cq >> 1); 2607 set_64bit_val(wqe, 40, cq->shadow_area_pa); 2608 set_64bit_val(wqe, 48, 2609 (cq->virtual_map ? cq->first_pm_pbl_idx : 0)); 2610 2611 hdr = cq->cq_uk.cq_id | 2612 FLD_LS_64(cq->dev, (cq->ceq_id_valid ? cq->ceq_id : 0), 2613 IRDMA_CQPSQ_CQ_CEQID) | 2614 FIELD_PREP(IRDMA_CQPSQ_OPCODE, IRDMA_CQP_OP_DESTROY_CQ) | 2615 FIELD_PREP(IRDMA_CQPSQ_CQ_LPBLSIZE, cq->pbl_chunk_size) | 2616 FIELD_PREP(IRDMA_CQPSQ_CQ_VIRTMAP, cq->virtual_map) | 2617 FIELD_PREP(IRDMA_CQPSQ_CQ_ENCEQEMASK, cq->ceqe_mask) | 2618 FIELD_PREP(IRDMA_CQPSQ_CQ_CEQIDVALID, cq->ceq_id_valid) | 2619 FIELD_PREP(IRDMA_CQPSQ_TPHEN, cq->tph_en) | 2620 FIELD_PREP(IRDMA_CQPSQ_CQ_AVOIDMEMCNFLCT, cq->cq_uk.avoid_mem_cflct) | 2621 FIELD_PREP(IRDMA_CQPSQ_WQEVALID, cqp->polarity); 2622 dma_wmb(); /* make sure WQE is written before valid bit is set */ 2623 2624 set_64bit_val(wqe, 24, hdr); 2625 2626 print_hex_dump_debug("WQE: CQ_DESTROY WQE", DUMP_PREFIX_OFFSET, 16, 8, 2627 wqe, IRDMA_CQP_WQE_SIZE * 8, false); 2628 if (post_sq) 2629 irdma_sc_cqp_post_sq(cqp); 2630 2631 return 0; 2632 } 2633 2634 /** 2635 * irdma_sc_cq_resize - set resized cq buffer info 2636 * @cq: resized cq 2637 * @info: resized cq buffer info 2638 */ irdma_sc_cq_resize(struct irdma_sc_cq * cq,struct irdma_modify_cq_info * info)2639 void irdma_sc_cq_resize(struct irdma_sc_cq *cq, struct irdma_modify_cq_info *info) 2640 { 2641 cq->virtual_map = info->virtual_map; 2642 cq->cq_pa = info->cq_pa; 2643 cq->first_pm_pbl_idx = info->first_pm_pbl_idx; 2644 cq->pbl_chunk_size = info->pbl_chunk_size; 2645 irdma_uk_cq_resize(&cq->cq_uk, info->cq_base, info->cq_size); 2646 } 2647 2648 /** 2649 * irdma_sc_cq_modify - modify a Completion Queue 2650 * @cq: cq struct 2651 * @info: modification info struct 2652 * @scratch: u64 saved to be used during cqp completion 2653 * @post_sq: flag to post to sq 2654 */ irdma_sc_cq_modify(struct irdma_sc_cq * cq,struct irdma_modify_cq_info * info,u64 scratch,bool post_sq)2655 static int irdma_sc_cq_modify(struct irdma_sc_cq *cq, 2656 struct irdma_modify_cq_info *info, u64 scratch, 2657 bool post_sq) 2658 { 2659 struct irdma_sc_cqp *cqp; 2660 __le64 *wqe; 2661 u64 hdr; 2662 u32 pble_obj_cnt; 2663 2664 pble_obj_cnt = cq->dev->hmc_info->hmc_obj[IRDMA_HMC_IW_PBLE].cnt; 2665 if (info->cq_resize && info->virtual_map && 2666 info->first_pm_pbl_idx >= pble_obj_cnt) 2667 return -EINVAL; 2668 2669 cqp = cq->dev->cqp; 2670 wqe = irdma_sc_cqp_get_next_send_wqe(cqp, scratch); 2671 if (!wqe) 2672 return -ENOMEM; 2673 2674 set_64bit_val(wqe, 0, info->cq_size); 2675 set_64bit_val(wqe, 8, (uintptr_t)cq >> 1); 2676 set_64bit_val(wqe, 16, 2677 FIELD_PREP(IRDMA_CQPSQ_CQ_SHADOW_READ_THRESHOLD, info->shadow_read_threshold)); 2678 set_64bit_val(wqe, 32, info->cq_pa); 2679 set_64bit_val(wqe, 40, cq->shadow_area_pa); 2680 set_64bit_val(wqe, 48, info->first_pm_pbl_idx); 2681 set_64bit_val(wqe, 56, 2682 FIELD_PREP(IRDMA_CQPSQ_TPHVAL, cq->tph_val) | 2683 FIELD_PREP(IRDMA_CQPSQ_VSIIDX, cq->vsi->vsi_idx)); 2684 2685 hdr = cq->cq_uk.cq_id | 2686 FIELD_PREP(IRDMA_CQPSQ_OPCODE, IRDMA_CQP_OP_MODIFY_CQ) | 2687 FIELD_PREP(IRDMA_CQPSQ_CQ_CQRESIZE, info->cq_resize) | 2688 FIELD_PREP(IRDMA_CQPSQ_CQ_LPBLSIZE, info->pbl_chunk_size) | 2689 FIELD_PREP(IRDMA_CQPSQ_CQ_CHKOVERFLOW, info->check_overflow) | 2690 FIELD_PREP(IRDMA_CQPSQ_CQ_VIRTMAP, info->virtual_map) | 2691 FIELD_PREP(IRDMA_CQPSQ_CQ_ENCEQEMASK, cq->ceqe_mask) | 2692 FIELD_PREP(IRDMA_CQPSQ_TPHEN, cq->tph_en) | 2693 FIELD_PREP(IRDMA_CQPSQ_CQ_AVOIDMEMCNFLCT, 2694 cq->cq_uk.avoid_mem_cflct) | 2695 FIELD_PREP(IRDMA_CQPSQ_WQEVALID, cqp->polarity); 2696 dma_wmb(); /* make sure WQE is written before valid bit is set */ 2697 2698 set_64bit_val(wqe, 24, hdr); 2699 2700 print_hex_dump_debug("WQE: CQ_MODIFY WQE", DUMP_PREFIX_OFFSET, 16, 8, 2701 wqe, IRDMA_CQP_WQE_SIZE * 8, false); 2702 if (post_sq) 2703 irdma_sc_cqp_post_sq(cqp); 2704 2705 return 0; 2706 } 2707 2708 /** 2709 * irdma_check_cqp_progress - check cqp processing progress 2710 * @timeout: timeout info struct 2711 * @dev: sc device struct 2712 */ irdma_check_cqp_progress(struct irdma_cqp_timeout * timeout,struct irdma_sc_dev * dev)2713 void irdma_check_cqp_progress(struct irdma_cqp_timeout *timeout, struct irdma_sc_dev *dev) 2714 { 2715 u64 completed_ops = atomic64_read(&dev->cqp->completed_ops); 2716 2717 if (timeout->compl_cqp_cmds != completed_ops) { 2718 timeout->compl_cqp_cmds = completed_ops; 2719 timeout->count = 0; 2720 } else if (timeout->compl_cqp_cmds != dev->cqp->requested_ops) { 2721 timeout->count++; 2722 } 2723 } 2724 2725 /** 2726 * irdma_get_cqp_reg_info - get head and tail for cqp using registers 2727 * @cqp: struct for cqp hw 2728 * @val: cqp tail register value 2729 * @tail: wqtail register value 2730 * @error: cqp processing err 2731 */ irdma_get_cqp_reg_info(struct irdma_sc_cqp * cqp,u32 * val,u32 * tail,u32 * error)2732 static inline void irdma_get_cqp_reg_info(struct irdma_sc_cqp *cqp, u32 *val, 2733 u32 *tail, u32 *error) 2734 { 2735 *val = readl(cqp->dev->hw_regs[IRDMA_CQPTAIL]); 2736 *tail = FIELD_GET(IRDMA_CQPTAIL_WQTAIL, *val); 2737 *error = FIELD_GET(IRDMA_CQPTAIL_CQP_OP_ERR, *val); 2738 } 2739 2740 /** 2741 * irdma_cqp_poll_registers - poll cqp registers 2742 * @cqp: struct for cqp hw 2743 * @tail: wqtail register value 2744 * @count: how many times to try for completion 2745 */ irdma_cqp_poll_registers(struct irdma_sc_cqp * cqp,u32 tail,u32 count)2746 static int irdma_cqp_poll_registers(struct irdma_sc_cqp *cqp, u32 tail, 2747 u32 count) 2748 { 2749 u32 i = 0; 2750 u32 newtail, error, val; 2751 2752 while (i++ < count) { 2753 irdma_get_cqp_reg_info(cqp, &val, &newtail, &error); 2754 if (error) { 2755 error = readl(cqp->dev->hw_regs[IRDMA_CQPERRCODES]); 2756 ibdev_dbg(to_ibdev(cqp->dev), 2757 "CQP: CQPERRCODES error_code[x%08X]\n", 2758 error); 2759 return -EIO; 2760 } 2761 if (newtail != tail) { 2762 /* SUCCESS */ 2763 IRDMA_RING_MOVE_TAIL(cqp->sq_ring); 2764 atomic64_inc(&cqp->completed_ops); 2765 return 0; 2766 } 2767 udelay(cqp->dev->hw_attrs.max_sleep_count); 2768 } 2769 2770 return -ETIMEDOUT; 2771 } 2772 2773 /** 2774 * irdma_sc_decode_fpm_commit - decode a 64 bit value into count and base 2775 * @dev: sc device struct 2776 * @buf: pointer to commit buffer 2777 * @buf_idx: buffer index 2778 * @obj_info: object info pointer 2779 * @rsrc_idx: indexs of memory resource 2780 */ irdma_sc_decode_fpm_commit(struct irdma_sc_dev * dev,__le64 * buf,u32 buf_idx,struct irdma_hmc_obj_info * obj_info,u32 rsrc_idx)2781 static u64 irdma_sc_decode_fpm_commit(struct irdma_sc_dev *dev, __le64 *buf, 2782 u32 buf_idx, struct irdma_hmc_obj_info *obj_info, 2783 u32 rsrc_idx) 2784 { 2785 u64 temp; 2786 2787 get_64bit_val(buf, buf_idx, &temp); 2788 2789 switch (rsrc_idx) { 2790 case IRDMA_HMC_IW_QP: 2791 obj_info[rsrc_idx].cnt = (u32)FIELD_GET(IRDMA_COMMIT_FPM_QPCNT, temp); 2792 break; 2793 case IRDMA_HMC_IW_CQ: 2794 obj_info[rsrc_idx].cnt = (u32)FLD_RS_64(dev, temp, IRDMA_COMMIT_FPM_CQCNT); 2795 break; 2796 case IRDMA_HMC_IW_APBVT_ENTRY: 2797 obj_info[rsrc_idx].cnt = 1; 2798 break; 2799 default: 2800 obj_info[rsrc_idx].cnt = (u32)temp; 2801 break; 2802 } 2803 2804 obj_info[rsrc_idx].base = (temp >> IRDMA_COMMIT_FPM_BASE_S) * 512; 2805 2806 return temp; 2807 } 2808 2809 /** 2810 * irdma_sc_parse_fpm_commit_buf - parse fpm commit buffer 2811 * @dev: pointer to dev struct 2812 * @buf: ptr to fpm commit buffer 2813 * @info: ptr to irdma_hmc_obj_info struct 2814 * @sd: number of SDs for HMC objects 2815 * 2816 * parses fpm commit info and copy base value 2817 * of hmc objects in hmc_info 2818 */ 2819 static void irdma_sc_parse_fpm_commit_buf(struct irdma_sc_dev * dev,__le64 * buf,struct irdma_hmc_obj_info * info,u32 * sd)2820 irdma_sc_parse_fpm_commit_buf(struct irdma_sc_dev *dev, __le64 *buf, 2821 struct irdma_hmc_obj_info *info, u32 *sd) 2822 { 2823 u64 size; 2824 u32 i; 2825 u64 max_base = 0; 2826 u32 last_hmc_obj = 0; 2827 2828 irdma_sc_decode_fpm_commit(dev, buf, 0, info, 2829 IRDMA_HMC_IW_QP); 2830 irdma_sc_decode_fpm_commit(dev, buf, 8, info, 2831 IRDMA_HMC_IW_CQ); 2832 /* skiping RSRVD */ 2833 irdma_sc_decode_fpm_commit(dev, buf, 24, info, 2834 IRDMA_HMC_IW_HTE); 2835 irdma_sc_decode_fpm_commit(dev, buf, 32, info, 2836 IRDMA_HMC_IW_ARP); 2837 irdma_sc_decode_fpm_commit(dev, buf, 40, info, 2838 IRDMA_HMC_IW_APBVT_ENTRY); 2839 irdma_sc_decode_fpm_commit(dev, buf, 48, info, 2840 IRDMA_HMC_IW_MR); 2841 irdma_sc_decode_fpm_commit(dev, buf, 56, info, 2842 IRDMA_HMC_IW_XF); 2843 irdma_sc_decode_fpm_commit(dev, buf, 64, info, 2844 IRDMA_HMC_IW_XFFL); 2845 irdma_sc_decode_fpm_commit(dev, buf, 72, info, 2846 IRDMA_HMC_IW_Q1); 2847 irdma_sc_decode_fpm_commit(dev, buf, 80, info, 2848 IRDMA_HMC_IW_Q1FL); 2849 irdma_sc_decode_fpm_commit(dev, buf, 88, info, 2850 IRDMA_HMC_IW_TIMER); 2851 irdma_sc_decode_fpm_commit(dev, buf, 112, info, 2852 IRDMA_HMC_IW_PBLE); 2853 /* skipping RSVD. */ 2854 if (dev->hw_attrs.uk_attrs.hw_rev != IRDMA_GEN_1) { 2855 irdma_sc_decode_fpm_commit(dev, buf, 96, info, 2856 IRDMA_HMC_IW_FSIMC); 2857 irdma_sc_decode_fpm_commit(dev, buf, 104, info, 2858 IRDMA_HMC_IW_FSIAV); 2859 irdma_sc_decode_fpm_commit(dev, buf, 128, info, 2860 IRDMA_HMC_IW_RRF); 2861 irdma_sc_decode_fpm_commit(dev, buf, 136, info, 2862 IRDMA_HMC_IW_RRFFL); 2863 irdma_sc_decode_fpm_commit(dev, buf, 144, info, 2864 IRDMA_HMC_IW_HDR); 2865 irdma_sc_decode_fpm_commit(dev, buf, 152, info, 2866 IRDMA_HMC_IW_MD); 2867 irdma_sc_decode_fpm_commit(dev, buf, 160, info, 2868 IRDMA_HMC_IW_OOISC); 2869 irdma_sc_decode_fpm_commit(dev, buf, 168, info, 2870 IRDMA_HMC_IW_OOISCFFL); 2871 } 2872 2873 /* searching for the last object in HMC to find the size of the HMC area. */ 2874 for (i = IRDMA_HMC_IW_QP; i < IRDMA_HMC_IW_MAX; i++) { 2875 if (info[i].base > max_base) { 2876 max_base = info[i].base; 2877 last_hmc_obj = i; 2878 } 2879 } 2880 2881 size = info[last_hmc_obj].cnt * info[last_hmc_obj].size + 2882 info[last_hmc_obj].base; 2883 2884 if (size & 0x1FFFFF) 2885 *sd = (u32)((size >> 21) + 1); /* add 1 for remainder */ 2886 else 2887 *sd = (u32)(size >> 21); 2888 2889 } 2890 2891 /** 2892 * irdma_sc_decode_fpm_query() - Decode a 64 bit value into max count and size 2893 * @buf: ptr to fpm query buffer 2894 * @buf_idx: index into buf 2895 * @obj_info: ptr to irdma_hmc_obj_info struct 2896 * @rsrc_idx: resource index into info 2897 * 2898 * Decode a 64 bit value from fpm query buffer into max count and size 2899 */ irdma_sc_decode_fpm_query(__le64 * buf,u32 buf_idx,struct irdma_hmc_obj_info * obj_info,u32 rsrc_idx)2900 static u64 irdma_sc_decode_fpm_query(__le64 *buf, u32 buf_idx, 2901 struct irdma_hmc_obj_info *obj_info, 2902 u32 rsrc_idx) 2903 { 2904 u64 temp; 2905 u32 size; 2906 2907 get_64bit_val(buf, buf_idx, &temp); 2908 obj_info[rsrc_idx].max_cnt = (u32)temp; 2909 size = (u32)(temp >> 32); 2910 obj_info[rsrc_idx].size = BIT_ULL(size); 2911 2912 return temp; 2913 } 2914 2915 /** 2916 * irdma_sc_parse_fpm_query_buf() - parses fpm query buffer 2917 * @dev: ptr to shared code device 2918 * @buf: ptr to fpm query buffer 2919 * @hmc_info: ptr to irdma_hmc_obj_info struct 2920 * @hmc_fpm_misc: ptr to fpm data 2921 * 2922 * parses fpm query buffer and copy max_cnt and 2923 * size value of hmc objects in hmc_info 2924 */ irdma_sc_parse_fpm_query_buf(struct irdma_sc_dev * dev,__le64 * buf,struct irdma_hmc_info * hmc_info,struct irdma_hmc_fpm_misc * hmc_fpm_misc)2925 static int irdma_sc_parse_fpm_query_buf(struct irdma_sc_dev *dev, __le64 *buf, 2926 struct irdma_hmc_info *hmc_info, 2927 struct irdma_hmc_fpm_misc *hmc_fpm_misc) 2928 { 2929 struct irdma_hmc_obj_info *obj_info; 2930 u64 temp; 2931 u32 size; 2932 u16 max_pe_sds; 2933 2934 obj_info = hmc_info->hmc_obj; 2935 2936 get_64bit_val(buf, 0, &temp); 2937 hmc_info->first_sd_index = (u16)FIELD_GET(IRDMA_QUERY_FPM_FIRST_PE_SD_INDEX, temp); 2938 max_pe_sds = (u16)FIELD_GET(IRDMA_QUERY_FPM_MAX_PE_SDS, temp); 2939 2940 hmc_fpm_misc->max_sds = max_pe_sds; 2941 hmc_info->sd_table.sd_cnt = max_pe_sds + hmc_info->first_sd_index; 2942 get_64bit_val(buf, 8, &temp); 2943 obj_info[IRDMA_HMC_IW_QP].max_cnt = (u32)FIELD_GET(IRDMA_QUERY_FPM_MAX_QPS, temp); 2944 size = (u32)(temp >> 32); 2945 obj_info[IRDMA_HMC_IW_QP].size = BIT_ULL(size); 2946 2947 get_64bit_val(buf, 16, &temp); 2948 obj_info[IRDMA_HMC_IW_CQ].max_cnt = (u32)FIELD_GET(IRDMA_QUERY_FPM_MAX_CQS, temp); 2949 size = (u32)(temp >> 32); 2950 obj_info[IRDMA_HMC_IW_CQ].size = BIT_ULL(size); 2951 2952 irdma_sc_decode_fpm_query(buf, 32, obj_info, IRDMA_HMC_IW_HTE); 2953 irdma_sc_decode_fpm_query(buf, 40, obj_info, IRDMA_HMC_IW_ARP); 2954 2955 obj_info[IRDMA_HMC_IW_APBVT_ENTRY].size = 8192; 2956 obj_info[IRDMA_HMC_IW_APBVT_ENTRY].max_cnt = 1; 2957 2958 irdma_sc_decode_fpm_query(buf, 48, obj_info, IRDMA_HMC_IW_MR); 2959 irdma_sc_decode_fpm_query(buf, 56, obj_info, IRDMA_HMC_IW_XF); 2960 2961 get_64bit_val(buf, 64, &temp); 2962 obj_info[IRDMA_HMC_IW_XFFL].max_cnt = (u32)temp; 2963 obj_info[IRDMA_HMC_IW_XFFL].size = 4; 2964 hmc_fpm_misc->xf_block_size = FIELD_GET(IRDMA_QUERY_FPM_XFBLOCKSIZE, temp); 2965 if (!hmc_fpm_misc->xf_block_size) 2966 return -EINVAL; 2967 2968 irdma_sc_decode_fpm_query(buf, 72, obj_info, IRDMA_HMC_IW_Q1); 2969 get_64bit_val(buf, 80, &temp); 2970 obj_info[IRDMA_HMC_IW_Q1FL].max_cnt = (u32)temp; 2971 obj_info[IRDMA_HMC_IW_Q1FL].size = 4; 2972 2973 hmc_fpm_misc->q1_block_size = FIELD_GET(IRDMA_QUERY_FPM_Q1BLOCKSIZE, temp); 2974 if (!hmc_fpm_misc->q1_block_size) 2975 return -EINVAL; 2976 2977 irdma_sc_decode_fpm_query(buf, 88, obj_info, IRDMA_HMC_IW_TIMER); 2978 2979 get_64bit_val(buf, 112, &temp); 2980 obj_info[IRDMA_HMC_IW_PBLE].max_cnt = (u32)temp; 2981 obj_info[IRDMA_HMC_IW_PBLE].size = 8; 2982 2983 get_64bit_val(buf, 120, &temp); 2984 hmc_fpm_misc->max_ceqs = FIELD_GET(IRDMA_QUERY_FPM_MAX_CEQS, temp); 2985 hmc_fpm_misc->ht_multiplier = FIELD_GET(IRDMA_QUERY_FPM_HTMULTIPLIER, temp); 2986 hmc_fpm_misc->timer_bucket = FIELD_GET(IRDMA_QUERY_FPM_TIMERBUCKET, temp); 2987 if (dev->hw_attrs.uk_attrs.hw_rev == IRDMA_GEN_1) 2988 return 0; 2989 irdma_sc_decode_fpm_query(buf, 96, obj_info, IRDMA_HMC_IW_FSIMC); 2990 irdma_sc_decode_fpm_query(buf, 104, obj_info, IRDMA_HMC_IW_FSIAV); 2991 irdma_sc_decode_fpm_query(buf, 128, obj_info, IRDMA_HMC_IW_RRF); 2992 2993 get_64bit_val(buf, 136, &temp); 2994 obj_info[IRDMA_HMC_IW_RRFFL].max_cnt = (u32)temp; 2995 obj_info[IRDMA_HMC_IW_RRFFL].size = 4; 2996 hmc_fpm_misc->rrf_block_size = FIELD_GET(IRDMA_QUERY_FPM_RRFBLOCKSIZE, temp); 2997 if (!hmc_fpm_misc->rrf_block_size && 2998 obj_info[IRDMA_HMC_IW_RRFFL].max_cnt) 2999 return -EINVAL; 3000 3001 irdma_sc_decode_fpm_query(buf, 144, obj_info, IRDMA_HMC_IW_HDR); 3002 irdma_sc_decode_fpm_query(buf, 152, obj_info, IRDMA_HMC_IW_MD); 3003 irdma_sc_decode_fpm_query(buf, 160, obj_info, IRDMA_HMC_IW_OOISC); 3004 3005 get_64bit_val(buf, 168, &temp); 3006 obj_info[IRDMA_HMC_IW_OOISCFFL].max_cnt = (u32)temp; 3007 obj_info[IRDMA_HMC_IW_OOISCFFL].size = 4; 3008 hmc_fpm_misc->ooiscf_block_size = FIELD_GET(IRDMA_QUERY_FPM_OOISCFBLOCKSIZE, temp); 3009 if (!hmc_fpm_misc->ooiscf_block_size && 3010 obj_info[IRDMA_HMC_IW_OOISCFFL].max_cnt) 3011 return -EINVAL; 3012 3013 return 0; 3014 } 3015 3016 /** 3017 * irdma_sc_find_reg_cq - find cq ctx index 3018 * @ceq: ceq sc structure 3019 * @cq: cq sc structure 3020 */ irdma_sc_find_reg_cq(struct irdma_sc_ceq * ceq,struct irdma_sc_cq * cq)3021 static u32 irdma_sc_find_reg_cq(struct irdma_sc_ceq *ceq, 3022 struct irdma_sc_cq *cq) 3023 { 3024 u32 i; 3025 3026 for (i = 0; i < ceq->reg_cq_size; i++) { 3027 if (cq == ceq->reg_cq[i]) 3028 return i; 3029 } 3030 3031 return IRDMA_INVALID_CQ_IDX; 3032 } 3033 3034 /** 3035 * irdma_sc_add_cq_ctx - add cq ctx tracking for ceq 3036 * @ceq: ceq sc structure 3037 * @cq: cq sc structure 3038 */ irdma_sc_add_cq_ctx(struct irdma_sc_ceq * ceq,struct irdma_sc_cq * cq)3039 int irdma_sc_add_cq_ctx(struct irdma_sc_ceq *ceq, struct irdma_sc_cq *cq) 3040 { 3041 unsigned long flags; 3042 3043 spin_lock_irqsave(&ceq->req_cq_lock, flags); 3044 3045 if (ceq->reg_cq_size == ceq->elem_cnt) { 3046 spin_unlock_irqrestore(&ceq->req_cq_lock, flags); 3047 return -ENOMEM; 3048 } 3049 3050 ceq->reg_cq[ceq->reg_cq_size++] = cq; 3051 3052 spin_unlock_irqrestore(&ceq->req_cq_lock, flags); 3053 3054 return 0; 3055 } 3056 3057 /** 3058 * irdma_sc_remove_cq_ctx - remove cq ctx tracking for ceq 3059 * @ceq: ceq sc structure 3060 * @cq: cq sc structure 3061 */ irdma_sc_remove_cq_ctx(struct irdma_sc_ceq * ceq,struct irdma_sc_cq * cq)3062 void irdma_sc_remove_cq_ctx(struct irdma_sc_ceq *ceq, struct irdma_sc_cq *cq) 3063 { 3064 unsigned long flags; 3065 u32 cq_ctx_idx; 3066 3067 spin_lock_irqsave(&ceq->req_cq_lock, flags); 3068 cq_ctx_idx = irdma_sc_find_reg_cq(ceq, cq); 3069 if (cq_ctx_idx == IRDMA_INVALID_CQ_IDX) 3070 goto exit; 3071 3072 ceq->reg_cq_size--; 3073 if (cq_ctx_idx != ceq->reg_cq_size) 3074 ceq->reg_cq[cq_ctx_idx] = ceq->reg_cq[ceq->reg_cq_size]; 3075 ceq->reg_cq[ceq->reg_cq_size] = NULL; 3076 3077 exit: 3078 spin_unlock_irqrestore(&ceq->req_cq_lock, flags); 3079 } 3080 3081 /** 3082 * irdma_sc_cqp_init - Initialize buffers for a control Queue Pair 3083 * @cqp: IWARP control queue pair pointer 3084 * @info: IWARP control queue pair init info pointer 3085 * 3086 * Initializes the object and context buffers for a control Queue Pair. 3087 */ irdma_sc_cqp_init(struct irdma_sc_cqp * cqp,struct irdma_cqp_init_info * info)3088 int irdma_sc_cqp_init(struct irdma_sc_cqp *cqp, 3089 struct irdma_cqp_init_info *info) 3090 { 3091 u8 hw_sq_size; 3092 3093 if (info->sq_size > IRDMA_CQP_SW_SQSIZE_2048 || 3094 info->sq_size < IRDMA_CQP_SW_SQSIZE_4 || 3095 ((info->sq_size & (info->sq_size - 1)))) 3096 return -EINVAL; 3097 3098 hw_sq_size = irdma_get_encoded_wqe_size(info->sq_size, 3099 IRDMA_QUEUE_TYPE_CQP); 3100 cqp->size = sizeof(*cqp); 3101 cqp->sq_size = info->sq_size; 3102 cqp->hw_sq_size = hw_sq_size; 3103 cqp->sq_base = info->sq; 3104 cqp->host_ctx = info->host_ctx; 3105 cqp->sq_pa = info->sq_pa; 3106 cqp->host_ctx_pa = info->host_ctx_pa; 3107 cqp->dev = info->dev; 3108 cqp->struct_ver = info->struct_ver; 3109 cqp->hw_maj_ver = info->hw_maj_ver; 3110 cqp->hw_min_ver = info->hw_min_ver; 3111 cqp->scratch_array = info->scratch_array; 3112 cqp->polarity = 0; 3113 cqp->en_datacenter_tcp = info->en_datacenter_tcp; 3114 cqp->ena_vf_count = info->ena_vf_count; 3115 cqp->hmc_profile = info->hmc_profile; 3116 cqp->ceqs_per_vf = info->ceqs_per_vf; 3117 cqp->disable_packed = info->disable_packed; 3118 cqp->rocev2_rto_policy = info->rocev2_rto_policy; 3119 cqp->protocol_used = info->protocol_used; 3120 memcpy(&cqp->dcqcn_params, &info->dcqcn_params, sizeof(cqp->dcqcn_params)); 3121 info->dev->cqp = cqp; 3122 3123 IRDMA_RING_INIT(cqp->sq_ring, cqp->sq_size); 3124 cqp->requested_ops = 0; 3125 atomic64_set(&cqp->completed_ops, 0); 3126 /* for the cqp commands backlog. */ 3127 INIT_LIST_HEAD(&cqp->dev->cqp_cmd_head); 3128 3129 writel(0, cqp->dev->hw_regs[IRDMA_CQPTAIL]); 3130 writel(0, cqp->dev->hw_regs[IRDMA_CQPDB]); 3131 writel(0, cqp->dev->hw_regs[IRDMA_CCQPSTATUS]); 3132 3133 ibdev_dbg(to_ibdev(cqp->dev), 3134 "WQE: sq_size[%04d] hw_sq_size[%04d] sq_base[%p] sq_pa[%pK] cqp[%p] polarity[x%04x]\n", 3135 cqp->sq_size, cqp->hw_sq_size, cqp->sq_base, 3136 (u64 *)(uintptr_t)cqp->sq_pa, cqp, cqp->polarity); 3137 return 0; 3138 } 3139 3140 /** 3141 * irdma_sc_cqp_create - create cqp during bringup 3142 * @cqp: struct for cqp hw 3143 * @maj_err: If error, major err number 3144 * @min_err: If error, minor err number 3145 */ irdma_sc_cqp_create(struct irdma_sc_cqp * cqp,u16 * maj_err,u16 * min_err)3146 int irdma_sc_cqp_create(struct irdma_sc_cqp *cqp, u16 *maj_err, u16 *min_err) 3147 { 3148 u64 temp; 3149 u8 hw_rev; 3150 u32 cnt = 0, p1, p2, val = 0, err_code; 3151 int ret_code; 3152 3153 hw_rev = cqp->dev->hw_attrs.uk_attrs.hw_rev; 3154 cqp->sdbuf.size = ALIGN(IRDMA_UPDATE_SD_BUFF_SIZE * cqp->sq_size, 3155 IRDMA_SD_BUF_ALIGNMENT); 3156 cqp->sdbuf.va = dma_alloc_coherent(cqp->dev->hw->device, 3157 cqp->sdbuf.size, &cqp->sdbuf.pa, 3158 GFP_KERNEL); 3159 if (!cqp->sdbuf.va) 3160 return -ENOMEM; 3161 3162 spin_lock_init(&cqp->dev->cqp_lock); 3163 3164 temp = FIELD_PREP(IRDMA_CQPHC_SQSIZE, cqp->hw_sq_size) | 3165 FIELD_PREP(IRDMA_CQPHC_SVER, cqp->struct_ver) | 3166 FIELD_PREP(IRDMA_CQPHC_DISABLE_PFPDUS, cqp->disable_packed) | 3167 FIELD_PREP(IRDMA_CQPHC_CEQPERVF, cqp->ceqs_per_vf); 3168 if (hw_rev >= IRDMA_GEN_2) { 3169 temp |= FIELD_PREP(IRDMA_CQPHC_ROCEV2_RTO_POLICY, 3170 cqp->rocev2_rto_policy) | 3171 FIELD_PREP(IRDMA_CQPHC_PROTOCOL_USED, 3172 cqp->protocol_used); 3173 } 3174 3175 set_64bit_val(cqp->host_ctx, 0, temp); 3176 set_64bit_val(cqp->host_ctx, 8, cqp->sq_pa); 3177 3178 temp = FIELD_PREP(IRDMA_CQPHC_ENABLED_VFS, cqp->ena_vf_count) | 3179 FIELD_PREP(IRDMA_CQPHC_HMC_PROFILE, cqp->hmc_profile); 3180 set_64bit_val(cqp->host_ctx, 16, temp); 3181 set_64bit_val(cqp->host_ctx, 24, (uintptr_t)cqp); 3182 temp = FIELD_PREP(IRDMA_CQPHC_HW_MAJVER, cqp->hw_maj_ver) | 3183 FIELD_PREP(IRDMA_CQPHC_HW_MINVER, cqp->hw_min_ver); 3184 if (hw_rev >= IRDMA_GEN_2) { 3185 temp |= FIELD_PREP(IRDMA_CQPHC_MIN_RATE, cqp->dcqcn_params.min_rate) | 3186 FIELD_PREP(IRDMA_CQPHC_MIN_DEC_FACTOR, cqp->dcqcn_params.min_dec_factor); 3187 } 3188 set_64bit_val(cqp->host_ctx, 32, temp); 3189 set_64bit_val(cqp->host_ctx, 40, 0); 3190 temp = 0; 3191 if (hw_rev >= IRDMA_GEN_2) { 3192 temp |= FIELD_PREP(IRDMA_CQPHC_DCQCN_T, cqp->dcqcn_params.dcqcn_t) | 3193 FIELD_PREP(IRDMA_CQPHC_RAI_FACTOR, cqp->dcqcn_params.rai_factor) | 3194 FIELD_PREP(IRDMA_CQPHC_HAI_FACTOR, cqp->dcqcn_params.hai_factor); 3195 } 3196 set_64bit_val(cqp->host_ctx, 48, temp); 3197 temp = 0; 3198 if (hw_rev >= IRDMA_GEN_2) { 3199 temp |= FIELD_PREP(IRDMA_CQPHC_DCQCN_B, cqp->dcqcn_params.dcqcn_b) | 3200 FIELD_PREP(IRDMA_CQPHC_DCQCN_F, cqp->dcqcn_params.dcqcn_f) | 3201 FIELD_PREP(IRDMA_CQPHC_CC_CFG_VALID, cqp->dcqcn_params.cc_cfg_valid) | 3202 FIELD_PREP(IRDMA_CQPHC_RREDUCE_MPERIOD, cqp->dcqcn_params.rreduce_mperiod); 3203 } 3204 set_64bit_val(cqp->host_ctx, 56, temp); 3205 print_hex_dump_debug("WQE: CQP_HOST_CTX WQE", DUMP_PREFIX_OFFSET, 16, 3206 8, cqp->host_ctx, IRDMA_CQP_CTX_SIZE * 8, false); 3207 p1 = cqp->host_ctx_pa >> 32; 3208 p2 = (u32)cqp->host_ctx_pa; 3209 3210 writel(p1, cqp->dev->hw_regs[IRDMA_CCQPHIGH]); 3211 writel(p2, cqp->dev->hw_regs[IRDMA_CCQPLOW]); 3212 3213 do { 3214 if (cnt++ > cqp->dev->hw_attrs.max_done_count) { 3215 ret_code = -ETIMEDOUT; 3216 goto err; 3217 } 3218 udelay(cqp->dev->hw_attrs.max_sleep_count); 3219 val = readl(cqp->dev->hw_regs[IRDMA_CCQPSTATUS]); 3220 } while (!val); 3221 3222 if (FLD_RS_32(cqp->dev, val, IRDMA_CCQPSTATUS_CCQP_ERR)) { 3223 ret_code = -EOPNOTSUPP; 3224 goto err; 3225 } 3226 3227 cqp->process_cqp_sds = irdma_update_sds_noccq; 3228 return 0; 3229 3230 err: 3231 dma_free_coherent(cqp->dev->hw->device, cqp->sdbuf.size, 3232 cqp->sdbuf.va, cqp->sdbuf.pa); 3233 cqp->sdbuf.va = NULL; 3234 err_code = readl(cqp->dev->hw_regs[IRDMA_CQPERRCODES]); 3235 *min_err = FIELD_GET(IRDMA_CQPERRCODES_CQP_MINOR_CODE, err_code); 3236 *maj_err = FIELD_GET(IRDMA_CQPERRCODES_CQP_MAJOR_CODE, err_code); 3237 return ret_code; 3238 } 3239 3240 /** 3241 * irdma_sc_cqp_post_sq - post of cqp's sq 3242 * @cqp: struct for cqp hw 3243 */ irdma_sc_cqp_post_sq(struct irdma_sc_cqp * cqp)3244 void irdma_sc_cqp_post_sq(struct irdma_sc_cqp *cqp) 3245 { 3246 writel(IRDMA_RING_CURRENT_HEAD(cqp->sq_ring), cqp->dev->cqp_db); 3247 3248 ibdev_dbg(to_ibdev(cqp->dev), 3249 "WQE: CQP SQ head 0x%x tail 0x%x size 0x%x\n", 3250 cqp->sq_ring.head, cqp->sq_ring.tail, cqp->sq_ring.size); 3251 } 3252 3253 /** 3254 * irdma_sc_cqp_get_next_send_wqe_idx - get next wqe on cqp sq 3255 * and pass back index 3256 * @cqp: CQP HW structure 3257 * @scratch: private data for CQP WQE 3258 * @wqe_idx: WQE index of CQP SQ 3259 */ irdma_sc_cqp_get_next_send_wqe_idx(struct irdma_sc_cqp * cqp,u64 scratch,u32 * wqe_idx)3260 __le64 *irdma_sc_cqp_get_next_send_wqe_idx(struct irdma_sc_cqp *cqp, u64 scratch, 3261 u32 *wqe_idx) 3262 { 3263 __le64 *wqe = NULL; 3264 int ret_code; 3265 3266 if (IRDMA_RING_FULL_ERR(cqp->sq_ring)) { 3267 ibdev_dbg(to_ibdev(cqp->dev), 3268 "WQE: CQP SQ is full, head 0x%x tail 0x%x size 0x%x\n", 3269 cqp->sq_ring.head, cqp->sq_ring.tail, 3270 cqp->sq_ring.size); 3271 return NULL; 3272 } 3273 IRDMA_ATOMIC_RING_MOVE_HEAD(cqp->sq_ring, *wqe_idx, ret_code); 3274 if (ret_code) 3275 return NULL; 3276 3277 cqp->requested_ops++; 3278 if (!*wqe_idx) 3279 cqp->polarity = !cqp->polarity; 3280 wqe = cqp->sq_base[*wqe_idx].elem; 3281 cqp->scratch_array[*wqe_idx] = scratch; 3282 IRDMA_CQP_INIT_WQE(wqe); 3283 3284 return wqe; 3285 } 3286 3287 /** 3288 * irdma_sc_cqp_destroy - destroy cqp during close 3289 * @cqp: struct for cqp hw 3290 */ irdma_sc_cqp_destroy(struct irdma_sc_cqp * cqp)3291 int irdma_sc_cqp_destroy(struct irdma_sc_cqp *cqp) 3292 { 3293 u32 cnt = 0, val; 3294 int ret_code = 0; 3295 3296 writel(0, cqp->dev->hw_regs[IRDMA_CCQPHIGH]); 3297 writel(0, cqp->dev->hw_regs[IRDMA_CCQPLOW]); 3298 do { 3299 if (cnt++ > cqp->dev->hw_attrs.max_done_count) { 3300 ret_code = -ETIMEDOUT; 3301 break; 3302 } 3303 udelay(cqp->dev->hw_attrs.max_sleep_count); 3304 val = readl(cqp->dev->hw_regs[IRDMA_CCQPSTATUS]); 3305 } while (FLD_RS_32(cqp->dev, val, IRDMA_CCQPSTATUS_CCQP_DONE)); 3306 3307 dma_free_coherent(cqp->dev->hw->device, cqp->sdbuf.size, 3308 cqp->sdbuf.va, cqp->sdbuf.pa); 3309 cqp->sdbuf.va = NULL; 3310 return ret_code; 3311 } 3312 3313 /** 3314 * irdma_sc_ccq_arm - enable intr for control cq 3315 * @ccq: ccq sc struct 3316 */ irdma_sc_ccq_arm(struct irdma_sc_cq * ccq)3317 void irdma_sc_ccq_arm(struct irdma_sc_cq *ccq) 3318 { 3319 u64 temp_val; 3320 u16 sw_cq_sel; 3321 u8 arm_next_se; 3322 u8 arm_seq_num; 3323 3324 get_64bit_val(ccq->cq_uk.shadow_area, 32, &temp_val); 3325 sw_cq_sel = (u16)FIELD_GET(IRDMA_CQ_DBSA_SW_CQ_SELECT, temp_val); 3326 arm_next_se = (u8)FIELD_GET(IRDMA_CQ_DBSA_ARM_NEXT_SE, temp_val); 3327 arm_seq_num = (u8)FIELD_GET(IRDMA_CQ_DBSA_ARM_SEQ_NUM, temp_val); 3328 arm_seq_num++; 3329 temp_val = FIELD_PREP(IRDMA_CQ_DBSA_ARM_SEQ_NUM, arm_seq_num) | 3330 FIELD_PREP(IRDMA_CQ_DBSA_SW_CQ_SELECT, sw_cq_sel) | 3331 FIELD_PREP(IRDMA_CQ_DBSA_ARM_NEXT_SE, arm_next_se) | 3332 FIELD_PREP(IRDMA_CQ_DBSA_ARM_NEXT, 1); 3333 set_64bit_val(ccq->cq_uk.shadow_area, 32, temp_val); 3334 3335 dma_wmb(); /* make sure shadow area is updated before arming */ 3336 3337 writel(ccq->cq_uk.cq_id, ccq->dev->cq_arm_db); 3338 } 3339 3340 /** 3341 * irdma_sc_ccq_get_cqe_info - get ccq's cq entry 3342 * @ccq: ccq sc struct 3343 * @info: completion q entry to return 3344 */ irdma_sc_ccq_get_cqe_info(struct irdma_sc_cq * ccq,struct irdma_ccq_cqe_info * info)3345 int irdma_sc_ccq_get_cqe_info(struct irdma_sc_cq *ccq, 3346 struct irdma_ccq_cqe_info *info) 3347 { 3348 u64 qp_ctx, temp, temp1; 3349 __le64 *cqe; 3350 struct irdma_sc_cqp *cqp; 3351 u32 wqe_idx; 3352 u32 error; 3353 u8 polarity; 3354 int ret_code = 0; 3355 3356 if (ccq->cq_uk.avoid_mem_cflct) 3357 cqe = IRDMA_GET_CURRENT_EXTENDED_CQ_ELEM(&ccq->cq_uk); 3358 else 3359 cqe = IRDMA_GET_CURRENT_CQ_ELEM(&ccq->cq_uk); 3360 3361 get_64bit_val(cqe, 24, &temp); 3362 polarity = (u8)FIELD_GET(IRDMA_CQ_VALID, temp); 3363 if (polarity != ccq->cq_uk.polarity) 3364 return -ENOENT; 3365 3366 /* Ensure CEQE contents are read after valid bit is checked */ 3367 dma_rmb(); 3368 3369 get_64bit_val(cqe, 8, &qp_ctx); 3370 cqp = (struct irdma_sc_cqp *)(unsigned long)qp_ctx; 3371 info->error = (bool)FIELD_GET(IRDMA_CQ_ERROR, temp); 3372 info->maj_err_code = IRDMA_CQPSQ_MAJ_NO_ERROR; 3373 info->min_err_code = (u16)FIELD_GET(IRDMA_CQ_MINERR, temp); 3374 if (info->error) { 3375 info->maj_err_code = (u16)FIELD_GET(IRDMA_CQ_MAJERR, temp); 3376 error = readl(cqp->dev->hw_regs[IRDMA_CQPERRCODES]); 3377 ibdev_dbg(to_ibdev(cqp->dev), 3378 "CQP: CQPERRCODES error_code[x%08X]\n", error); 3379 } 3380 3381 wqe_idx = (u32)FIELD_GET(IRDMA_CQ_WQEIDX, temp); 3382 info->scratch = cqp->scratch_array[wqe_idx]; 3383 3384 get_64bit_val(cqe, 16, &temp1); 3385 info->op_ret_val = (u32)FIELD_GET(IRDMA_CCQ_OPRETVAL, temp1); 3386 get_64bit_val(cqp->sq_base[wqe_idx].elem, 24, &temp1); 3387 info->op_code = (u8)FIELD_GET(IRDMA_CQPSQ_OPCODE, temp1); 3388 info->cqp = cqp; 3389 3390 /* move the head for cq */ 3391 IRDMA_RING_MOVE_HEAD(ccq->cq_uk.cq_ring, ret_code); 3392 if (!IRDMA_RING_CURRENT_HEAD(ccq->cq_uk.cq_ring)) 3393 ccq->cq_uk.polarity ^= 1; 3394 3395 /* update cq tail in cq shadow memory also */ 3396 IRDMA_RING_MOVE_TAIL(ccq->cq_uk.cq_ring); 3397 set_64bit_val(ccq->cq_uk.shadow_area, 0, 3398 IRDMA_RING_CURRENT_HEAD(ccq->cq_uk.cq_ring)); 3399 3400 dma_wmb(); /* make sure shadow area is updated before moving tail */ 3401 3402 IRDMA_RING_MOVE_TAIL(cqp->sq_ring); 3403 atomic64_inc(&cqp->completed_ops); 3404 3405 return ret_code; 3406 } 3407 3408 /** 3409 * irdma_sc_poll_for_cqp_op_done - Waits for last write to complete in CQP SQ 3410 * @cqp: struct for cqp hw 3411 * @op_code: cqp opcode for completion 3412 * @compl_info: completion q entry to return 3413 */ irdma_sc_poll_for_cqp_op_done(struct irdma_sc_cqp * cqp,u8 op_code,struct irdma_ccq_cqe_info * compl_info)3414 int irdma_sc_poll_for_cqp_op_done(struct irdma_sc_cqp *cqp, u8 op_code, 3415 struct irdma_ccq_cqe_info *compl_info) 3416 { 3417 struct irdma_ccq_cqe_info info = {}; 3418 struct irdma_sc_cq *ccq; 3419 int ret_code = 0; 3420 u32 cnt = 0; 3421 3422 ccq = cqp->dev->ccq; 3423 while (1) { 3424 if (cnt++ > 100 * cqp->dev->hw_attrs.max_done_count) 3425 return -ETIMEDOUT; 3426 3427 if (irdma_sc_ccq_get_cqe_info(ccq, &info)) { 3428 udelay(cqp->dev->hw_attrs.max_sleep_count); 3429 continue; 3430 } 3431 if (info.error && info.op_code != IRDMA_CQP_OP_QUERY_STAG) { 3432 ret_code = -EIO; 3433 break; 3434 } 3435 /* make sure op code matches*/ 3436 if (op_code == info.op_code) 3437 break; 3438 ibdev_dbg(to_ibdev(cqp->dev), 3439 "WQE: opcode mismatch for my op code 0x%x, returned opcode %x\n", 3440 op_code, info.op_code); 3441 } 3442 3443 if (compl_info) 3444 memcpy(compl_info, &info, sizeof(*compl_info)); 3445 3446 return ret_code; 3447 } 3448 3449 /** 3450 * irdma_sc_manage_hmc_pm_func_table - manage of function table 3451 * @cqp: struct for cqp hw 3452 * @scratch: u64 saved to be used during cqp completion 3453 * @info: info for the manage function table operation 3454 * @post_sq: flag for cqp db to ring 3455 */ irdma_sc_manage_hmc_pm_func_table(struct irdma_sc_cqp * cqp,struct irdma_hmc_fcn_info * info,u64 scratch,bool post_sq)3456 static int irdma_sc_manage_hmc_pm_func_table(struct irdma_sc_cqp *cqp, 3457 struct irdma_hmc_fcn_info *info, 3458 u64 scratch, bool post_sq) 3459 { 3460 __le64 *wqe; 3461 u64 hdr; 3462 3463 wqe = irdma_sc_cqp_get_next_send_wqe(cqp, scratch); 3464 if (!wqe) 3465 return -ENOMEM; 3466 3467 set_64bit_val(wqe, 0, 0); 3468 set_64bit_val(wqe, 8, 0); 3469 set_64bit_val(wqe, 16, 0); 3470 set_64bit_val(wqe, 32, 0); 3471 set_64bit_val(wqe, 40, 0); 3472 set_64bit_val(wqe, 48, 0); 3473 set_64bit_val(wqe, 56, 0); 3474 3475 hdr = FIELD_PREP(IRDMA_CQPSQ_MHMC_VFIDX, info->vf_id) | 3476 FIELD_PREP(IRDMA_CQPSQ_OPCODE, 3477 IRDMA_CQP_OP_MANAGE_HMC_PM_FUNC_TABLE) | 3478 FIELD_PREP(IRDMA_CQPSQ_MHMC_FREEPMFN, info->free_fcn) | 3479 FIELD_PREP(IRDMA_CQPSQ_WQEVALID, cqp->polarity); 3480 dma_wmb(); /* make sure WQE is written before valid bit is set */ 3481 3482 set_64bit_val(wqe, 24, hdr); 3483 3484 print_hex_dump_debug("WQE: MANAGE_HMC_PM_FUNC_TABLE WQE", 3485 DUMP_PREFIX_OFFSET, 16, 8, wqe, 3486 IRDMA_CQP_WQE_SIZE * 8, false); 3487 if (post_sq) 3488 irdma_sc_cqp_post_sq(cqp); 3489 3490 return 0; 3491 } 3492 3493 /** 3494 * irdma_sc_commit_fpm_val_done - wait for cqp eqe completion 3495 * for fpm commit 3496 * @cqp: struct for cqp hw 3497 */ irdma_sc_commit_fpm_val_done(struct irdma_sc_cqp * cqp)3498 static int irdma_sc_commit_fpm_val_done(struct irdma_sc_cqp *cqp) 3499 { 3500 return irdma_sc_poll_for_cqp_op_done(cqp, IRDMA_CQP_OP_COMMIT_FPM_VAL, 3501 NULL); 3502 } 3503 3504 /** 3505 * irdma_sc_commit_fpm_val - cqp wqe for commit fpm values 3506 * @cqp: struct for cqp hw 3507 * @scratch: u64 saved to be used during cqp completion 3508 * @hmc_fn_id: hmc function id 3509 * @commit_fpm_mem: Memory for fpm values 3510 * @post_sq: flag for cqp db to ring 3511 * @wait_type: poll ccq or cqp registers for cqp completion 3512 */ irdma_sc_commit_fpm_val(struct irdma_sc_cqp * cqp,u64 scratch,u8 hmc_fn_id,struct irdma_dma_mem * commit_fpm_mem,bool post_sq,u8 wait_type)3513 static int irdma_sc_commit_fpm_val(struct irdma_sc_cqp *cqp, u64 scratch, 3514 u8 hmc_fn_id, 3515 struct irdma_dma_mem *commit_fpm_mem, 3516 bool post_sq, u8 wait_type) 3517 { 3518 __le64 *wqe; 3519 u64 hdr; 3520 u32 tail, val, error; 3521 int ret_code = 0; 3522 3523 wqe = irdma_sc_cqp_get_next_send_wqe(cqp, scratch); 3524 if (!wqe) 3525 return -ENOMEM; 3526 3527 set_64bit_val(wqe, 16, hmc_fn_id); 3528 set_64bit_val(wqe, 32, commit_fpm_mem->pa); 3529 3530 hdr = FIELD_PREP(IRDMA_CQPSQ_BUFSIZE, IRDMA_COMMIT_FPM_BUF_SIZE) | 3531 FIELD_PREP(IRDMA_CQPSQ_OPCODE, IRDMA_CQP_OP_COMMIT_FPM_VAL) | 3532 FIELD_PREP(IRDMA_CQPSQ_WQEVALID, cqp->polarity); 3533 3534 dma_wmb(); /* make sure WQE is written before valid bit is set */ 3535 3536 set_64bit_val(wqe, 24, hdr); 3537 3538 print_hex_dump_debug("WQE: COMMIT_FPM_VAL WQE", DUMP_PREFIX_OFFSET, 3539 16, 8, wqe, IRDMA_CQP_WQE_SIZE * 8, false); 3540 irdma_get_cqp_reg_info(cqp, &val, &tail, &error); 3541 3542 if (post_sq) { 3543 irdma_sc_cqp_post_sq(cqp); 3544 if (wait_type == IRDMA_CQP_WAIT_POLL_REGS) 3545 ret_code = irdma_cqp_poll_registers(cqp, tail, 3546 cqp->dev->hw_attrs.max_done_count); 3547 else if (wait_type == IRDMA_CQP_WAIT_POLL_CQ) 3548 ret_code = irdma_sc_commit_fpm_val_done(cqp); 3549 } 3550 3551 return ret_code; 3552 } 3553 3554 /** 3555 * irdma_sc_query_fpm_val_done - poll for cqp wqe completion for 3556 * query fpm 3557 * @cqp: struct for cqp hw 3558 */ irdma_sc_query_fpm_val_done(struct irdma_sc_cqp * cqp)3559 static int irdma_sc_query_fpm_val_done(struct irdma_sc_cqp *cqp) 3560 { 3561 return irdma_sc_poll_for_cqp_op_done(cqp, IRDMA_CQP_OP_QUERY_FPM_VAL, 3562 NULL); 3563 } 3564 3565 /** 3566 * irdma_sc_query_fpm_val - cqp wqe query fpm values 3567 * @cqp: struct for cqp hw 3568 * @scratch: u64 saved to be used during cqp completion 3569 * @hmc_fn_id: hmc function id 3570 * @query_fpm_mem: memory for return fpm values 3571 * @post_sq: flag for cqp db to ring 3572 * @wait_type: poll ccq or cqp registers for cqp completion 3573 */ irdma_sc_query_fpm_val(struct irdma_sc_cqp * cqp,u64 scratch,u8 hmc_fn_id,struct irdma_dma_mem * query_fpm_mem,bool post_sq,u8 wait_type)3574 static int irdma_sc_query_fpm_val(struct irdma_sc_cqp *cqp, u64 scratch, 3575 u8 hmc_fn_id, 3576 struct irdma_dma_mem *query_fpm_mem, 3577 bool post_sq, u8 wait_type) 3578 { 3579 __le64 *wqe; 3580 u64 hdr; 3581 u32 tail, val, error; 3582 int ret_code = 0; 3583 3584 wqe = irdma_sc_cqp_get_next_send_wqe(cqp, scratch); 3585 if (!wqe) 3586 return -ENOMEM; 3587 3588 set_64bit_val(wqe, 16, hmc_fn_id); 3589 set_64bit_val(wqe, 32, query_fpm_mem->pa); 3590 3591 hdr = FIELD_PREP(IRDMA_CQPSQ_OPCODE, IRDMA_CQP_OP_QUERY_FPM_VAL) | 3592 FIELD_PREP(IRDMA_CQPSQ_WQEVALID, cqp->polarity); 3593 dma_wmb(); /* make sure WQE is written before valid bit is set */ 3594 3595 set_64bit_val(wqe, 24, hdr); 3596 3597 print_hex_dump_debug("WQE: QUERY_FPM WQE", DUMP_PREFIX_OFFSET, 16, 8, 3598 wqe, IRDMA_CQP_WQE_SIZE * 8, false); 3599 irdma_get_cqp_reg_info(cqp, &val, &tail, &error); 3600 3601 if (post_sq) { 3602 irdma_sc_cqp_post_sq(cqp); 3603 if (wait_type == IRDMA_CQP_WAIT_POLL_REGS) 3604 ret_code = irdma_cqp_poll_registers(cqp, tail, 3605 cqp->dev->hw_attrs.max_done_count); 3606 else if (wait_type == IRDMA_CQP_WAIT_POLL_CQ) 3607 ret_code = irdma_sc_query_fpm_val_done(cqp); 3608 } 3609 3610 return ret_code; 3611 } 3612 3613 /** 3614 * irdma_sc_ceq_init - initialize ceq 3615 * @ceq: ceq sc structure 3616 * @info: ceq initialization info 3617 */ irdma_sc_ceq_init(struct irdma_sc_ceq * ceq,struct irdma_ceq_init_info * info)3618 int irdma_sc_ceq_init(struct irdma_sc_ceq *ceq, 3619 struct irdma_ceq_init_info *info) 3620 { 3621 u32 pble_obj_cnt; 3622 3623 if (info->elem_cnt < info->dev->hw_attrs.min_hw_ceq_size || 3624 info->elem_cnt > info->dev->hw_attrs.max_hw_ceq_size) 3625 return -EINVAL; 3626 3627 if (info->ceq_id >= info->dev->hmc_fpm_misc.max_ceqs) 3628 return -EINVAL; 3629 pble_obj_cnt = info->dev->hmc_info->hmc_obj[IRDMA_HMC_IW_PBLE].cnt; 3630 3631 if (info->virtual_map && info->first_pm_pbl_idx >= pble_obj_cnt) 3632 return -EINVAL; 3633 3634 ceq->size = sizeof(*ceq); 3635 ceq->ceqe_base = (struct irdma_ceqe *)info->ceqe_base; 3636 ceq->ceq_id = info->ceq_id; 3637 ceq->dev = info->dev; 3638 ceq->elem_cnt = info->elem_cnt; 3639 ceq->ceq_elem_pa = info->ceqe_pa; 3640 ceq->virtual_map = info->virtual_map; 3641 ceq->itr_no_expire = info->itr_no_expire; 3642 ceq->reg_cq = info->reg_cq; 3643 ceq->reg_cq_size = 0; 3644 spin_lock_init(&ceq->req_cq_lock); 3645 ceq->pbl_chunk_size = (ceq->virtual_map ? info->pbl_chunk_size : 0); 3646 ceq->first_pm_pbl_idx = (ceq->virtual_map ? info->first_pm_pbl_idx : 0); 3647 ceq->pbl_list = (ceq->virtual_map ? info->pbl_list : NULL); 3648 ceq->tph_en = info->tph_en; 3649 ceq->tph_val = info->tph_val; 3650 ceq->vsi = info->vsi; 3651 ceq->polarity = 1; 3652 IRDMA_RING_INIT(ceq->ceq_ring, ceq->elem_cnt); 3653 ceq->dev->ceq[info->ceq_id] = ceq; 3654 3655 return 0; 3656 } 3657 3658 /** 3659 * irdma_sc_ceq_create - create ceq wqe 3660 * @ceq: ceq sc structure 3661 * @scratch: u64 saved to be used during cqp completion 3662 * @post_sq: flag for cqp db to ring 3663 */ 3664 irdma_sc_ceq_create(struct irdma_sc_ceq * ceq,u64 scratch,bool post_sq)3665 static int irdma_sc_ceq_create(struct irdma_sc_ceq *ceq, u64 scratch, 3666 bool post_sq) 3667 { 3668 struct irdma_sc_cqp *cqp; 3669 __le64 *wqe; 3670 u64 hdr; 3671 3672 cqp = ceq->dev->cqp; 3673 wqe = irdma_sc_cqp_get_next_send_wqe(cqp, scratch); 3674 if (!wqe) 3675 return -ENOMEM; 3676 set_64bit_val(wqe, 16, ceq->elem_cnt); 3677 set_64bit_val(wqe, 32, 3678 (ceq->virtual_map ? 0 : ceq->ceq_elem_pa)); 3679 set_64bit_val(wqe, 48, 3680 (ceq->virtual_map ? ceq->first_pm_pbl_idx : 0)); 3681 set_64bit_val(wqe, 56, 3682 FIELD_PREP(IRDMA_CQPSQ_TPHVAL, ceq->tph_val) | 3683 FIELD_PREP(IRDMA_CQPSQ_VSIIDX, ceq->vsi->vsi_idx)); 3684 hdr = FIELD_PREP(IRDMA_CQPSQ_CEQ_CEQID, ceq->ceq_id) | 3685 FIELD_PREP(IRDMA_CQPSQ_OPCODE, IRDMA_CQP_OP_CREATE_CEQ) | 3686 FIELD_PREP(IRDMA_CQPSQ_CEQ_LPBLSIZE, ceq->pbl_chunk_size) | 3687 FIELD_PREP(IRDMA_CQPSQ_CEQ_VMAP, ceq->virtual_map) | 3688 FIELD_PREP(IRDMA_CQPSQ_CEQ_ITRNOEXPIRE, ceq->itr_no_expire) | 3689 FIELD_PREP(IRDMA_CQPSQ_TPHEN, ceq->tph_en) | 3690 FIELD_PREP(IRDMA_CQPSQ_WQEVALID, cqp->polarity); 3691 dma_wmb(); /* make sure WQE is written before valid bit is set */ 3692 3693 set_64bit_val(wqe, 24, hdr); 3694 3695 print_hex_dump_debug("WQE: CEQ_CREATE WQE", DUMP_PREFIX_OFFSET, 16, 8, 3696 wqe, IRDMA_CQP_WQE_SIZE * 8, false); 3697 if (post_sq) 3698 irdma_sc_cqp_post_sq(cqp); 3699 3700 return 0; 3701 } 3702 3703 /** 3704 * irdma_sc_cceq_create_done - poll for control ceq wqe to complete 3705 * @ceq: ceq sc structure 3706 */ irdma_sc_cceq_create_done(struct irdma_sc_ceq * ceq)3707 static int irdma_sc_cceq_create_done(struct irdma_sc_ceq *ceq) 3708 { 3709 struct irdma_sc_cqp *cqp; 3710 3711 cqp = ceq->dev->cqp; 3712 return irdma_sc_poll_for_cqp_op_done(cqp, IRDMA_CQP_OP_CREATE_CEQ, 3713 NULL); 3714 } 3715 3716 /** 3717 * irdma_sc_cceq_destroy_done - poll for destroy cceq to complete 3718 * @ceq: ceq sc structure 3719 */ irdma_sc_cceq_destroy_done(struct irdma_sc_ceq * ceq)3720 int irdma_sc_cceq_destroy_done(struct irdma_sc_ceq *ceq) 3721 { 3722 struct irdma_sc_cqp *cqp; 3723 3724 if (ceq->reg_cq) 3725 irdma_sc_remove_cq_ctx(ceq, ceq->dev->ccq); 3726 3727 cqp = ceq->dev->cqp; 3728 cqp->process_cqp_sds = irdma_update_sds_noccq; 3729 3730 return irdma_sc_poll_for_cqp_op_done(cqp, IRDMA_CQP_OP_DESTROY_CEQ, 3731 NULL); 3732 } 3733 3734 /** 3735 * irdma_sc_cceq_create - create cceq 3736 * @ceq: ceq sc structure 3737 * @scratch: u64 saved to be used during cqp completion 3738 */ irdma_sc_cceq_create(struct irdma_sc_ceq * ceq,u64 scratch)3739 int irdma_sc_cceq_create(struct irdma_sc_ceq *ceq, u64 scratch) 3740 { 3741 int ret_code; 3742 struct irdma_sc_dev *dev = ceq->dev; 3743 3744 dev->ccq->vsi = ceq->vsi; 3745 if (ceq->reg_cq) { 3746 ret_code = irdma_sc_add_cq_ctx(ceq, ceq->dev->ccq); 3747 if (ret_code) 3748 return ret_code; 3749 } 3750 3751 ret_code = irdma_sc_ceq_create(ceq, scratch, true); 3752 if (!ret_code) 3753 return irdma_sc_cceq_create_done(ceq); 3754 3755 return ret_code; 3756 } 3757 3758 /** 3759 * irdma_sc_ceq_destroy - destroy ceq 3760 * @ceq: ceq sc structure 3761 * @scratch: u64 saved to be used during cqp completion 3762 * @post_sq: flag for cqp db to ring 3763 */ irdma_sc_ceq_destroy(struct irdma_sc_ceq * ceq,u64 scratch,bool post_sq)3764 int irdma_sc_ceq_destroy(struct irdma_sc_ceq *ceq, u64 scratch, bool post_sq) 3765 { 3766 struct irdma_sc_cqp *cqp; 3767 __le64 *wqe; 3768 u64 hdr; 3769 3770 cqp = ceq->dev->cqp; 3771 wqe = irdma_sc_cqp_get_next_send_wqe(cqp, scratch); 3772 if (!wqe) 3773 return -ENOMEM; 3774 3775 set_64bit_val(wqe, 16, ceq->elem_cnt); 3776 set_64bit_val(wqe, 48, ceq->first_pm_pbl_idx); 3777 hdr = ceq->ceq_id | 3778 FIELD_PREP(IRDMA_CQPSQ_OPCODE, IRDMA_CQP_OP_DESTROY_CEQ) | 3779 FIELD_PREP(IRDMA_CQPSQ_CEQ_LPBLSIZE, ceq->pbl_chunk_size) | 3780 FIELD_PREP(IRDMA_CQPSQ_CEQ_VMAP, ceq->virtual_map) | 3781 FIELD_PREP(IRDMA_CQPSQ_TPHEN, ceq->tph_en) | 3782 FIELD_PREP(IRDMA_CQPSQ_WQEVALID, cqp->polarity); 3783 dma_wmb(); /* make sure WQE is written before valid bit is set */ 3784 3785 set_64bit_val(wqe, 24, hdr); 3786 3787 print_hex_dump_debug("WQE: CEQ_DESTROY WQE", DUMP_PREFIX_OFFSET, 16, 3788 8, wqe, IRDMA_CQP_WQE_SIZE * 8, false); 3789 if (post_sq) 3790 irdma_sc_cqp_post_sq(cqp); 3791 3792 return 0; 3793 } 3794 3795 /** 3796 * irdma_sc_process_ceq - process ceq 3797 * @dev: sc device struct 3798 * @ceq: ceq sc structure 3799 * 3800 * It is expected caller serializes this function with cleanup_ceqes() 3801 * because these functions manipulate the same ceq 3802 */ irdma_sc_process_ceq(struct irdma_sc_dev * dev,struct irdma_sc_ceq * ceq)3803 void *irdma_sc_process_ceq(struct irdma_sc_dev *dev, struct irdma_sc_ceq *ceq) 3804 { 3805 u64 temp; 3806 __le64 *ceqe; 3807 struct irdma_sc_cq *cq = NULL; 3808 struct irdma_sc_cq *temp_cq; 3809 u8 polarity; 3810 u32 cq_idx; 3811 unsigned long flags; 3812 3813 do { 3814 cq_idx = 0; 3815 ceqe = IRDMA_GET_CURRENT_CEQ_ELEM(ceq); 3816 get_64bit_val(ceqe, 0, &temp); 3817 polarity = (u8)FIELD_GET(IRDMA_CEQE_VALID, temp); 3818 if (polarity != ceq->polarity) 3819 return NULL; 3820 3821 temp_cq = (struct irdma_sc_cq *)(unsigned long)(temp << 1); 3822 if (!temp_cq) { 3823 cq_idx = IRDMA_INVALID_CQ_IDX; 3824 IRDMA_RING_MOVE_TAIL(ceq->ceq_ring); 3825 3826 if (!IRDMA_RING_CURRENT_TAIL(ceq->ceq_ring)) 3827 ceq->polarity ^= 1; 3828 continue; 3829 } 3830 3831 cq = temp_cq; 3832 if (ceq->reg_cq) { 3833 spin_lock_irqsave(&ceq->req_cq_lock, flags); 3834 cq_idx = irdma_sc_find_reg_cq(ceq, cq); 3835 spin_unlock_irqrestore(&ceq->req_cq_lock, flags); 3836 } 3837 3838 IRDMA_RING_MOVE_TAIL(ceq->ceq_ring); 3839 if (!IRDMA_RING_CURRENT_TAIL(ceq->ceq_ring)) 3840 ceq->polarity ^= 1; 3841 } while (cq_idx == IRDMA_INVALID_CQ_IDX); 3842 3843 if (cq) 3844 irdma_sc_cq_ack(cq); 3845 return cq; 3846 } 3847 3848 /** 3849 * irdma_sc_cleanup_ceqes - clear the valid ceqes ctx matching the cq 3850 * @cq: cq for which the ceqes need to be cleaned up 3851 * @ceq: ceq ptr 3852 * 3853 * The function is called after the cq is destroyed to cleanup 3854 * its pending ceqe entries. It is expected caller serializes this 3855 * function with process_ceq() in interrupt context. 3856 */ irdma_sc_cleanup_ceqes(struct irdma_sc_cq * cq,struct irdma_sc_ceq * ceq)3857 void irdma_sc_cleanup_ceqes(struct irdma_sc_cq *cq, struct irdma_sc_ceq *ceq) 3858 { 3859 struct irdma_sc_cq *next_cq; 3860 u8 ceq_polarity = ceq->polarity; 3861 __le64 *ceqe; 3862 u8 polarity; 3863 u64 temp; 3864 int next; 3865 u32 i; 3866 3867 next = IRDMA_RING_GET_NEXT_TAIL(ceq->ceq_ring, 0); 3868 3869 for (i = 1; i <= IRDMA_RING_SIZE(*ceq); i++) { 3870 ceqe = IRDMA_GET_CEQ_ELEM_AT_POS(ceq, next); 3871 3872 get_64bit_val(ceqe, 0, &temp); 3873 polarity = (u8)FIELD_GET(IRDMA_CEQE_VALID, temp); 3874 if (polarity != ceq_polarity) 3875 return; 3876 3877 next_cq = (struct irdma_sc_cq *)(unsigned long)(temp << 1); 3878 if (cq == next_cq) 3879 set_64bit_val(ceqe, 0, temp & IRDMA_CEQE_VALID); 3880 3881 next = IRDMA_RING_GET_NEXT_TAIL(ceq->ceq_ring, i); 3882 if (!next) 3883 ceq_polarity ^= 1; 3884 } 3885 } 3886 3887 /** 3888 * irdma_sc_aeq_init - initialize aeq 3889 * @aeq: aeq structure ptr 3890 * @info: aeq initialization info 3891 */ irdma_sc_aeq_init(struct irdma_sc_aeq * aeq,struct irdma_aeq_init_info * info)3892 int irdma_sc_aeq_init(struct irdma_sc_aeq *aeq, 3893 struct irdma_aeq_init_info *info) 3894 { 3895 u32 pble_obj_cnt; 3896 3897 if (info->elem_cnt < info->dev->hw_attrs.min_hw_aeq_size || 3898 info->elem_cnt > info->dev->hw_attrs.max_hw_aeq_size) 3899 return -EINVAL; 3900 3901 pble_obj_cnt = info->dev->hmc_info->hmc_obj[IRDMA_HMC_IW_PBLE].cnt; 3902 3903 if (info->virtual_map && info->first_pm_pbl_idx >= pble_obj_cnt) 3904 return -EINVAL; 3905 3906 aeq->size = sizeof(*aeq); 3907 aeq->polarity = 1; 3908 aeq->aeqe_base = (struct irdma_sc_aeqe *)info->aeqe_base; 3909 aeq->dev = info->dev; 3910 aeq->elem_cnt = info->elem_cnt; 3911 aeq->aeq_elem_pa = info->aeq_elem_pa; 3912 IRDMA_RING_INIT(aeq->aeq_ring, aeq->elem_cnt); 3913 aeq->virtual_map = info->virtual_map; 3914 aeq->pbl_list = (aeq->virtual_map ? info->pbl_list : NULL); 3915 aeq->pbl_chunk_size = (aeq->virtual_map ? info->pbl_chunk_size : 0); 3916 aeq->first_pm_pbl_idx = (aeq->virtual_map ? info->first_pm_pbl_idx : 0); 3917 aeq->msix_idx = info->msix_idx; 3918 info->dev->aeq = aeq; 3919 3920 return 0; 3921 } 3922 3923 /** 3924 * irdma_sc_aeq_create - create aeq 3925 * @aeq: aeq structure ptr 3926 * @scratch: u64 saved to be used during cqp completion 3927 * @post_sq: flag for cqp db to ring 3928 */ irdma_sc_aeq_create(struct irdma_sc_aeq * aeq,u64 scratch,bool post_sq)3929 static int irdma_sc_aeq_create(struct irdma_sc_aeq *aeq, u64 scratch, 3930 bool post_sq) 3931 { 3932 __le64 *wqe; 3933 struct irdma_sc_cqp *cqp; 3934 u64 hdr; 3935 3936 cqp = aeq->dev->cqp; 3937 wqe = irdma_sc_cqp_get_next_send_wqe(cqp, scratch); 3938 if (!wqe) 3939 return -ENOMEM; 3940 set_64bit_val(wqe, 16, aeq->elem_cnt); 3941 set_64bit_val(wqe, 32, 3942 (aeq->virtual_map ? 0 : aeq->aeq_elem_pa)); 3943 set_64bit_val(wqe, 48, 3944 (aeq->virtual_map ? aeq->first_pm_pbl_idx : 0)); 3945 3946 hdr = FIELD_PREP(IRDMA_CQPSQ_OPCODE, IRDMA_CQP_OP_CREATE_AEQ) | 3947 FIELD_PREP(IRDMA_CQPSQ_AEQ_LPBLSIZE, aeq->pbl_chunk_size) | 3948 FIELD_PREP(IRDMA_CQPSQ_AEQ_VMAP, aeq->virtual_map) | 3949 FIELD_PREP(IRDMA_CQPSQ_WQEVALID, cqp->polarity); 3950 dma_wmb(); /* make sure WQE is written before valid bit is set */ 3951 3952 set_64bit_val(wqe, 24, hdr); 3953 3954 print_hex_dump_debug("WQE: AEQ_CREATE WQE", DUMP_PREFIX_OFFSET, 16, 8, 3955 wqe, IRDMA_CQP_WQE_SIZE * 8, false); 3956 if (post_sq) 3957 irdma_sc_cqp_post_sq(cqp); 3958 3959 return 0; 3960 } 3961 3962 /** 3963 * irdma_sc_aeq_destroy - destroy aeq during close 3964 * @aeq: aeq structure ptr 3965 * @scratch: u64 saved to be used during cqp completion 3966 * @post_sq: flag for cqp db to ring 3967 */ irdma_sc_aeq_destroy(struct irdma_sc_aeq * aeq,u64 scratch,bool post_sq)3968 static int irdma_sc_aeq_destroy(struct irdma_sc_aeq *aeq, u64 scratch, 3969 bool post_sq) 3970 { 3971 __le64 *wqe; 3972 struct irdma_sc_cqp *cqp; 3973 struct irdma_sc_dev *dev; 3974 u64 hdr; 3975 3976 dev = aeq->dev; 3977 writel(0, dev->hw_regs[IRDMA_PFINT_AEQCTL]); 3978 3979 cqp = dev->cqp; 3980 wqe = irdma_sc_cqp_get_next_send_wqe(cqp, scratch); 3981 if (!wqe) 3982 return -ENOMEM; 3983 set_64bit_val(wqe, 16, aeq->elem_cnt); 3984 set_64bit_val(wqe, 48, aeq->first_pm_pbl_idx); 3985 hdr = FIELD_PREP(IRDMA_CQPSQ_OPCODE, IRDMA_CQP_OP_DESTROY_AEQ) | 3986 FIELD_PREP(IRDMA_CQPSQ_AEQ_LPBLSIZE, aeq->pbl_chunk_size) | 3987 FIELD_PREP(IRDMA_CQPSQ_AEQ_VMAP, aeq->virtual_map) | 3988 FIELD_PREP(IRDMA_CQPSQ_WQEVALID, cqp->polarity); 3989 dma_wmb(); /* make sure WQE is written before valid bit is set */ 3990 3991 set_64bit_val(wqe, 24, hdr); 3992 3993 print_hex_dump_debug("WQE: AEQ_DESTROY WQE", DUMP_PREFIX_OFFSET, 16, 3994 8, wqe, IRDMA_CQP_WQE_SIZE * 8, false); 3995 if (post_sq) 3996 irdma_sc_cqp_post_sq(cqp); 3997 return 0; 3998 } 3999 4000 /** 4001 * irdma_sc_get_next_aeqe - get next aeq entry 4002 * @aeq: aeq structure ptr 4003 * @info: aeqe info to be returned 4004 */ irdma_sc_get_next_aeqe(struct irdma_sc_aeq * aeq,struct irdma_aeqe_info * info)4005 int irdma_sc_get_next_aeqe(struct irdma_sc_aeq *aeq, 4006 struct irdma_aeqe_info *info) 4007 { 4008 u64 temp, compl_ctx; 4009 __le64 *aeqe; 4010 u8 ae_src; 4011 u8 polarity; 4012 4013 aeqe = IRDMA_GET_CURRENT_AEQ_ELEM(aeq); 4014 get_64bit_val(aeqe, 8, &temp); 4015 polarity = (u8)FIELD_GET(IRDMA_AEQE_VALID, temp); 4016 4017 if (aeq->polarity != polarity) 4018 return -ENOENT; 4019 4020 /* Ensure AEQE contents are read after valid bit is checked */ 4021 dma_rmb(); 4022 4023 get_64bit_val(aeqe, 0, &compl_ctx); 4024 4025 print_hex_dump_debug("WQE: AEQ_ENTRY WQE", DUMP_PREFIX_OFFSET, 16, 8, 4026 aeqe, 16, false); 4027 4028 ae_src = (u8)FIELD_GET(IRDMA_AEQE_AESRC, temp); 4029 info->wqe_idx = (u16)FIELD_GET(IRDMA_AEQE_WQDESCIDX, temp); 4030 info->qp_cq_id = (u32)FIELD_GET(IRDMA_AEQE_QPCQID_LOW, temp) | 4031 ((u32)FIELD_GET(IRDMA_AEQE_QPCQID_HI, temp) << 18); 4032 info->ae_id = (u16)FIELD_GET(IRDMA_AEQE_AECODE, temp); 4033 info->tcp_state = (u8)FIELD_GET(IRDMA_AEQE_TCPSTATE, temp); 4034 info->iwarp_state = (u8)FIELD_GET(IRDMA_AEQE_IWSTATE, temp); 4035 info->q2_data_written = (u8)FIELD_GET(IRDMA_AEQE_Q2DATA, temp); 4036 info->aeqe_overflow = (bool)FIELD_GET(IRDMA_AEQE_OVERFLOW, temp); 4037 4038 info->ae_src = ae_src; 4039 switch (info->ae_id) { 4040 case IRDMA_AE_PRIV_OPERATION_DENIED: 4041 case IRDMA_AE_AMP_INVALIDATE_TYPE1_MW: 4042 case IRDMA_AE_AMP_MWBIND_ZERO_BASED_TYPE1_MW: 4043 case IRDMA_AE_AMP_FASTREG_INVALID_PBL_HPS_CFG: 4044 case IRDMA_AE_AMP_FASTREG_PBLE_MISMATCH: 4045 case IRDMA_AE_UDA_XMIT_DGRAM_TOO_LONG: 4046 case IRDMA_AE_UDA_XMIT_BAD_PD: 4047 case IRDMA_AE_UDA_XMIT_DGRAM_TOO_SHORT: 4048 case IRDMA_AE_BAD_CLOSE: 4049 case IRDMA_AE_RDMA_READ_WHILE_ORD_ZERO: 4050 case IRDMA_AE_STAG_ZERO_INVALID: 4051 case IRDMA_AE_IB_RREQ_AND_Q1_FULL: 4052 case IRDMA_AE_IB_INVALID_REQUEST: 4053 case IRDMA_AE_WQE_UNEXPECTED_OPCODE: 4054 case IRDMA_AE_IB_REMOTE_ACCESS_ERROR: 4055 case IRDMA_AE_IB_REMOTE_OP_ERROR: 4056 case IRDMA_AE_DDP_UBE_INVALID_DDP_VERSION: 4057 case IRDMA_AE_DDP_UBE_INVALID_MO: 4058 case IRDMA_AE_DDP_UBE_INVALID_QN: 4059 case IRDMA_AE_DDP_NO_L_BIT: 4060 case IRDMA_AE_RDMAP_ROE_INVALID_RDMAP_VERSION: 4061 case IRDMA_AE_RDMAP_ROE_UNEXPECTED_OPCODE: 4062 case IRDMA_AE_ROE_INVALID_RDMA_READ_REQUEST: 4063 case IRDMA_AE_ROE_INVALID_RDMA_WRITE_OR_READ_RESP: 4064 case IRDMA_AE_ROCE_RSP_LENGTH_ERROR: 4065 case IRDMA_AE_INVALID_ARP_ENTRY: 4066 case IRDMA_AE_INVALID_TCP_OPTION_RCVD: 4067 case IRDMA_AE_STALE_ARP_ENTRY: 4068 case IRDMA_AE_INVALID_AH_ENTRY: 4069 case IRDMA_AE_LLP_RECEIVED_MPA_CRC_ERROR: 4070 case IRDMA_AE_LLP_SEGMENT_TOO_SMALL: 4071 case IRDMA_AE_LLP_TOO_MANY_RETRIES: 4072 case IRDMA_AE_LLP_DOUBT_REACHABILITY: 4073 case IRDMA_AE_LLP_CONNECTION_ESTABLISHED: 4074 case IRDMA_AE_RESET_SENT: 4075 case IRDMA_AE_TERMINATE_SENT: 4076 case IRDMA_AE_RESET_NOT_SENT: 4077 case IRDMA_AE_LCE_QP_CATASTROPHIC: 4078 case IRDMA_AE_QP_SUSPEND_COMPLETE: 4079 case IRDMA_AE_UDA_L4LEN_INVALID: 4080 info->qp = true; 4081 info->compl_ctx = compl_ctx; 4082 break; 4083 case IRDMA_AE_LCE_CQ_CATASTROPHIC: 4084 info->cq = true; 4085 info->compl_ctx = compl_ctx << 1; 4086 ae_src = IRDMA_AE_SOURCE_RSVD; 4087 break; 4088 case IRDMA_AE_ROCE_EMPTY_MCG: 4089 case IRDMA_AE_ROCE_BAD_MC_IP_ADDR: 4090 case IRDMA_AE_ROCE_BAD_MC_QPID: 4091 case IRDMA_AE_MCG_QP_PROTOCOL_MISMATCH: 4092 fallthrough; 4093 case IRDMA_AE_LLP_CONNECTION_RESET: 4094 case IRDMA_AE_LLP_SYN_RECEIVED: 4095 case IRDMA_AE_LLP_FIN_RECEIVED: 4096 case IRDMA_AE_LLP_CLOSE_COMPLETE: 4097 case IRDMA_AE_LLP_TERMINATE_RECEIVED: 4098 case IRDMA_AE_RDMAP_ROE_BAD_LLP_CLOSE: 4099 ae_src = IRDMA_AE_SOURCE_RSVD; 4100 info->qp = true; 4101 info->compl_ctx = compl_ctx; 4102 break; 4103 default: 4104 break; 4105 } 4106 4107 switch (ae_src) { 4108 case IRDMA_AE_SOURCE_RQ: 4109 case IRDMA_AE_SOURCE_RQ_0011: 4110 info->qp = true; 4111 info->rq = true; 4112 info->compl_ctx = compl_ctx; 4113 break; 4114 case IRDMA_AE_SOURCE_CQ: 4115 case IRDMA_AE_SOURCE_CQ_0110: 4116 case IRDMA_AE_SOURCE_CQ_1010: 4117 case IRDMA_AE_SOURCE_CQ_1110: 4118 info->cq = true; 4119 info->compl_ctx = compl_ctx << 1; 4120 break; 4121 case IRDMA_AE_SOURCE_SQ: 4122 case IRDMA_AE_SOURCE_SQ_0111: 4123 info->qp = true; 4124 info->sq = true; 4125 info->compl_ctx = compl_ctx; 4126 break; 4127 case IRDMA_AE_SOURCE_IN_RR_WR: 4128 case IRDMA_AE_SOURCE_IN_RR_WR_1011: 4129 info->qp = true; 4130 info->compl_ctx = compl_ctx; 4131 info->in_rdrsp_wr = true; 4132 break; 4133 case IRDMA_AE_SOURCE_OUT_RR: 4134 case IRDMA_AE_SOURCE_OUT_RR_1111: 4135 info->qp = true; 4136 info->compl_ctx = compl_ctx; 4137 info->out_rdrsp = true; 4138 break; 4139 case IRDMA_AE_SOURCE_RSVD: 4140 default: 4141 break; 4142 } 4143 4144 IRDMA_RING_MOVE_TAIL(aeq->aeq_ring); 4145 if (!IRDMA_RING_CURRENT_TAIL(aeq->aeq_ring)) 4146 aeq->polarity ^= 1; 4147 4148 return 0; 4149 } 4150 4151 /** 4152 * irdma_sc_repost_aeq_entries - repost completed aeq entries 4153 * @dev: sc device struct 4154 * @count: allocate count 4155 */ irdma_sc_repost_aeq_entries(struct irdma_sc_dev * dev,u32 count)4156 void irdma_sc_repost_aeq_entries(struct irdma_sc_dev *dev, u32 count) 4157 { 4158 writel(count, dev->hw_regs[IRDMA_AEQALLOC]); 4159 } 4160 4161 /** 4162 * irdma_sc_ccq_init - initialize control cq 4163 * @cq: sc's cq ctruct 4164 * @info: info for control cq initialization 4165 */ irdma_sc_ccq_init(struct irdma_sc_cq * cq,struct irdma_ccq_init_info * info)4166 int irdma_sc_ccq_init(struct irdma_sc_cq *cq, struct irdma_ccq_init_info *info) 4167 { 4168 u32 pble_obj_cnt; 4169 4170 if (info->num_elem < info->dev->hw_attrs.uk_attrs.min_hw_cq_size || 4171 info->num_elem > info->dev->hw_attrs.uk_attrs.max_hw_cq_size) 4172 return -EINVAL; 4173 4174 if (info->ceq_id >= info->dev->hmc_fpm_misc.max_ceqs) 4175 return -EINVAL; 4176 4177 pble_obj_cnt = info->dev->hmc_info->hmc_obj[IRDMA_HMC_IW_PBLE].cnt; 4178 4179 if (info->virtual_map && info->first_pm_pbl_idx >= pble_obj_cnt) 4180 return -EINVAL; 4181 4182 cq->cq_pa = info->cq_pa; 4183 cq->cq_uk.cq_base = info->cq_base; 4184 cq->shadow_area_pa = info->shadow_area_pa; 4185 cq->cq_uk.shadow_area = info->shadow_area; 4186 cq->shadow_read_threshold = info->shadow_read_threshold; 4187 cq->dev = info->dev; 4188 cq->ceq_id = info->ceq_id; 4189 cq->cq_uk.cq_size = info->num_elem; 4190 cq->cq_type = IRDMA_CQ_TYPE_CQP; 4191 cq->ceqe_mask = info->ceqe_mask; 4192 IRDMA_RING_INIT(cq->cq_uk.cq_ring, info->num_elem); 4193 cq->cq_uk.cq_id = 0; /* control cq is id 0 always */ 4194 cq->ceq_id_valid = info->ceq_id_valid; 4195 cq->tph_en = info->tph_en; 4196 cq->tph_val = info->tph_val; 4197 cq->cq_uk.avoid_mem_cflct = info->avoid_mem_cflct; 4198 cq->pbl_list = info->pbl_list; 4199 cq->virtual_map = info->virtual_map; 4200 cq->pbl_chunk_size = info->pbl_chunk_size; 4201 cq->first_pm_pbl_idx = info->first_pm_pbl_idx; 4202 cq->cq_uk.polarity = true; 4203 cq->vsi = info->vsi; 4204 cq->cq_uk.cq_ack_db = cq->dev->cq_ack_db; 4205 4206 /* Only applicable to CQs other than CCQ so initialize to zero */ 4207 cq->cq_uk.cqe_alloc_db = NULL; 4208 4209 info->dev->ccq = cq; 4210 return 0; 4211 } 4212 4213 /** 4214 * irdma_sc_ccq_create_done - poll cqp for ccq create 4215 * @ccq: ccq sc struct 4216 */ irdma_sc_ccq_create_done(struct irdma_sc_cq * ccq)4217 static inline int irdma_sc_ccq_create_done(struct irdma_sc_cq *ccq) 4218 { 4219 struct irdma_sc_cqp *cqp; 4220 4221 cqp = ccq->dev->cqp; 4222 4223 return irdma_sc_poll_for_cqp_op_done(cqp, IRDMA_CQP_OP_CREATE_CQ, NULL); 4224 } 4225 4226 /** 4227 * irdma_sc_ccq_create - create control cq 4228 * @ccq: ccq sc struct 4229 * @scratch: u64 saved to be used during cqp completion 4230 * @check_overflow: overlow flag for ccq 4231 * @post_sq: flag for cqp db to ring 4232 */ irdma_sc_ccq_create(struct irdma_sc_cq * ccq,u64 scratch,bool check_overflow,bool post_sq)4233 int irdma_sc_ccq_create(struct irdma_sc_cq *ccq, u64 scratch, 4234 bool check_overflow, bool post_sq) 4235 { 4236 int ret_code; 4237 4238 ret_code = irdma_sc_cq_create(ccq, scratch, check_overflow, post_sq); 4239 if (ret_code) 4240 return ret_code; 4241 4242 if (post_sq) { 4243 ret_code = irdma_sc_ccq_create_done(ccq); 4244 if (ret_code) 4245 return ret_code; 4246 } 4247 ccq->dev->cqp->process_cqp_sds = irdma_cqp_sds_cmd; 4248 4249 return 0; 4250 } 4251 4252 /** 4253 * irdma_sc_ccq_destroy - destroy ccq during close 4254 * @ccq: ccq sc struct 4255 * @scratch: u64 saved to be used during cqp completion 4256 * @post_sq: flag for cqp db to ring 4257 */ irdma_sc_ccq_destroy(struct irdma_sc_cq * ccq,u64 scratch,bool post_sq)4258 int irdma_sc_ccq_destroy(struct irdma_sc_cq *ccq, u64 scratch, bool post_sq) 4259 { 4260 struct irdma_sc_cqp *cqp; 4261 __le64 *wqe; 4262 u64 hdr; 4263 int ret_code = 0; 4264 u32 tail, val, error; 4265 4266 cqp = ccq->dev->cqp; 4267 wqe = irdma_sc_cqp_get_next_send_wqe(cqp, scratch); 4268 if (!wqe) 4269 return -ENOMEM; 4270 4271 set_64bit_val(wqe, 0, ccq->cq_uk.cq_size); 4272 set_64bit_val(wqe, 8, (uintptr_t)ccq >> 1); 4273 set_64bit_val(wqe, 40, ccq->shadow_area_pa); 4274 4275 hdr = ccq->cq_uk.cq_id | 4276 FLD_LS_64(ccq->dev, (ccq->ceq_id_valid ? ccq->ceq_id : 0), 4277 IRDMA_CQPSQ_CQ_CEQID) | 4278 FIELD_PREP(IRDMA_CQPSQ_OPCODE, IRDMA_CQP_OP_DESTROY_CQ) | 4279 FIELD_PREP(IRDMA_CQPSQ_CQ_ENCEQEMASK, ccq->ceqe_mask) | 4280 FIELD_PREP(IRDMA_CQPSQ_CQ_CEQIDVALID, ccq->ceq_id_valid) | 4281 FIELD_PREP(IRDMA_CQPSQ_TPHEN, ccq->tph_en) | 4282 FIELD_PREP(IRDMA_CQPSQ_CQ_AVOIDMEMCNFLCT, ccq->cq_uk.avoid_mem_cflct) | 4283 FIELD_PREP(IRDMA_CQPSQ_WQEVALID, cqp->polarity); 4284 dma_wmb(); /* make sure WQE is written before valid bit is set */ 4285 4286 set_64bit_val(wqe, 24, hdr); 4287 4288 print_hex_dump_debug("WQE: CCQ_DESTROY WQE", DUMP_PREFIX_OFFSET, 16, 4289 8, wqe, IRDMA_CQP_WQE_SIZE * 8, false); 4290 irdma_get_cqp_reg_info(cqp, &val, &tail, &error); 4291 4292 if (post_sq) { 4293 irdma_sc_cqp_post_sq(cqp); 4294 ret_code = irdma_cqp_poll_registers(cqp, tail, 4295 cqp->dev->hw_attrs.max_done_count); 4296 } 4297 4298 cqp->process_cqp_sds = irdma_update_sds_noccq; 4299 4300 return ret_code; 4301 } 4302 4303 /** 4304 * irdma_sc_init_iw_hmc() - queries fpm values using cqp and populates hmc_info 4305 * @dev : ptr to irdma_dev struct 4306 * @hmc_fn_id: hmc function id 4307 */ irdma_sc_init_iw_hmc(struct irdma_sc_dev * dev,u8 hmc_fn_id)4308 int irdma_sc_init_iw_hmc(struct irdma_sc_dev *dev, u8 hmc_fn_id) 4309 { 4310 struct irdma_hmc_info *hmc_info; 4311 struct irdma_hmc_fpm_misc *hmc_fpm_misc; 4312 struct irdma_dma_mem query_fpm_mem; 4313 int ret_code = 0; 4314 u8 wait_type; 4315 4316 hmc_info = dev->hmc_info; 4317 hmc_fpm_misc = &dev->hmc_fpm_misc; 4318 query_fpm_mem.pa = dev->fpm_query_buf_pa; 4319 query_fpm_mem.va = dev->fpm_query_buf; 4320 hmc_info->hmc_fn_id = hmc_fn_id; 4321 wait_type = (u8)IRDMA_CQP_WAIT_POLL_REGS; 4322 4323 ret_code = irdma_sc_query_fpm_val(dev->cqp, 0, hmc_info->hmc_fn_id, 4324 &query_fpm_mem, true, wait_type); 4325 if (ret_code) 4326 return ret_code; 4327 4328 /* parse the fpm_query_buf and fill hmc obj info */ 4329 ret_code = irdma_sc_parse_fpm_query_buf(dev, query_fpm_mem.va, hmc_info, 4330 hmc_fpm_misc); 4331 4332 print_hex_dump_debug("HMC: QUERY FPM BUFFER", DUMP_PREFIX_OFFSET, 16, 4333 8, query_fpm_mem.va, IRDMA_QUERY_FPM_BUF_SIZE, 4334 false); 4335 return ret_code; 4336 } 4337 4338 /** 4339 * irdma_sc_cfg_iw_fpm() - commits hmc obj cnt values using cqp 4340 * command and populates fpm base address in hmc_info 4341 * @dev : ptr to irdma_dev struct 4342 * @hmc_fn_id: hmc function id 4343 */ irdma_sc_cfg_iw_fpm(struct irdma_sc_dev * dev,u8 hmc_fn_id)4344 static int irdma_sc_cfg_iw_fpm(struct irdma_sc_dev *dev, u8 hmc_fn_id) 4345 { 4346 struct irdma_hmc_info *hmc_info; 4347 struct irdma_hmc_obj_info *obj_info; 4348 __le64 *buf; 4349 struct irdma_dma_mem commit_fpm_mem; 4350 int ret_code = 0; 4351 u8 wait_type; 4352 4353 hmc_info = dev->hmc_info; 4354 obj_info = hmc_info->hmc_obj; 4355 buf = dev->fpm_commit_buf; 4356 4357 set_64bit_val(buf, 0, (u64)obj_info[IRDMA_HMC_IW_QP].cnt); 4358 set_64bit_val(buf, 8, (u64)obj_info[IRDMA_HMC_IW_CQ].cnt); 4359 set_64bit_val(buf, 16, (u64)0); /* RSRVD */ 4360 set_64bit_val(buf, 24, (u64)obj_info[IRDMA_HMC_IW_HTE].cnt); 4361 set_64bit_val(buf, 32, (u64)obj_info[IRDMA_HMC_IW_ARP].cnt); 4362 set_64bit_val(buf, 40, (u64)0); /* RSVD */ 4363 set_64bit_val(buf, 48, (u64)obj_info[IRDMA_HMC_IW_MR].cnt); 4364 set_64bit_val(buf, 56, (u64)obj_info[IRDMA_HMC_IW_XF].cnt); 4365 set_64bit_val(buf, 64, (u64)obj_info[IRDMA_HMC_IW_XFFL].cnt); 4366 set_64bit_val(buf, 72, (u64)obj_info[IRDMA_HMC_IW_Q1].cnt); 4367 set_64bit_val(buf, 80, (u64)obj_info[IRDMA_HMC_IW_Q1FL].cnt); 4368 set_64bit_val(buf, 88, 4369 (u64)obj_info[IRDMA_HMC_IW_TIMER].cnt); 4370 set_64bit_val(buf, 96, 4371 (u64)obj_info[IRDMA_HMC_IW_FSIMC].cnt); 4372 set_64bit_val(buf, 104, 4373 (u64)obj_info[IRDMA_HMC_IW_FSIAV].cnt); 4374 set_64bit_val(buf, 112, 4375 (u64)obj_info[IRDMA_HMC_IW_PBLE].cnt); 4376 set_64bit_val(buf, 120, (u64)0); /* RSVD */ 4377 set_64bit_val(buf, 128, (u64)obj_info[IRDMA_HMC_IW_RRF].cnt); 4378 set_64bit_val(buf, 136, 4379 (u64)obj_info[IRDMA_HMC_IW_RRFFL].cnt); 4380 set_64bit_val(buf, 144, (u64)obj_info[IRDMA_HMC_IW_HDR].cnt); 4381 set_64bit_val(buf, 152, (u64)obj_info[IRDMA_HMC_IW_MD].cnt); 4382 set_64bit_val(buf, 160, 4383 (u64)obj_info[IRDMA_HMC_IW_OOISC].cnt); 4384 set_64bit_val(buf, 168, 4385 (u64)obj_info[IRDMA_HMC_IW_OOISCFFL].cnt); 4386 4387 commit_fpm_mem.pa = dev->fpm_commit_buf_pa; 4388 commit_fpm_mem.va = dev->fpm_commit_buf; 4389 4390 wait_type = (u8)IRDMA_CQP_WAIT_POLL_REGS; 4391 print_hex_dump_debug("HMC: COMMIT FPM BUFFER", DUMP_PREFIX_OFFSET, 16, 4392 8, commit_fpm_mem.va, IRDMA_COMMIT_FPM_BUF_SIZE, 4393 false); 4394 ret_code = irdma_sc_commit_fpm_val(dev->cqp, 0, hmc_info->hmc_fn_id, 4395 &commit_fpm_mem, true, wait_type); 4396 if (!ret_code) 4397 irdma_sc_parse_fpm_commit_buf(dev, dev->fpm_commit_buf, 4398 hmc_info->hmc_obj, 4399 &hmc_info->sd_table.sd_cnt); 4400 print_hex_dump_debug("HMC: COMMIT FPM BUFFER", DUMP_PREFIX_OFFSET, 16, 4401 8, commit_fpm_mem.va, IRDMA_COMMIT_FPM_BUF_SIZE, 4402 false); 4403 4404 return ret_code; 4405 } 4406 4407 /** 4408 * cqp_sds_wqe_fill - fill cqp wqe doe sd 4409 * @cqp: struct for cqp hw 4410 * @info: sd info for wqe 4411 * @scratch: u64 saved to be used during cqp completion 4412 */ cqp_sds_wqe_fill(struct irdma_sc_cqp * cqp,struct irdma_update_sds_info * info,u64 scratch)4413 static int cqp_sds_wqe_fill(struct irdma_sc_cqp *cqp, 4414 struct irdma_update_sds_info *info, u64 scratch) 4415 { 4416 u64 data; 4417 u64 hdr; 4418 __le64 *wqe; 4419 int mem_entries, wqe_entries; 4420 struct irdma_dma_mem *sdbuf = &cqp->sdbuf; 4421 u64 offset = 0; 4422 u32 wqe_idx; 4423 4424 wqe = irdma_sc_cqp_get_next_send_wqe_idx(cqp, scratch, &wqe_idx); 4425 if (!wqe) 4426 return -ENOMEM; 4427 4428 wqe_entries = (info->cnt > 3) ? 3 : info->cnt; 4429 mem_entries = info->cnt - wqe_entries; 4430 4431 if (mem_entries) { 4432 offset = wqe_idx * IRDMA_UPDATE_SD_BUFF_SIZE; 4433 memcpy(((char *)sdbuf->va + offset), &info->entry[3], mem_entries << 4); 4434 4435 data = (u64)sdbuf->pa + offset; 4436 } else { 4437 data = 0; 4438 } 4439 data |= FIELD_PREP(IRDMA_CQPSQ_UPESD_HMCFNID, info->hmc_fn_id); 4440 set_64bit_val(wqe, 16, data); 4441 4442 switch (wqe_entries) { 4443 case 3: 4444 set_64bit_val(wqe, 48, 4445 (FIELD_PREP(IRDMA_CQPSQ_UPESD_SDCMD, info->entry[2].cmd) | 4446 FIELD_PREP(IRDMA_CQPSQ_UPESD_ENTRY_VALID, 1))); 4447 4448 set_64bit_val(wqe, 56, info->entry[2].data); 4449 fallthrough; 4450 case 2: 4451 set_64bit_val(wqe, 32, 4452 (FIELD_PREP(IRDMA_CQPSQ_UPESD_SDCMD, info->entry[1].cmd) | 4453 FIELD_PREP(IRDMA_CQPSQ_UPESD_ENTRY_VALID, 1))); 4454 4455 set_64bit_val(wqe, 40, info->entry[1].data); 4456 fallthrough; 4457 case 1: 4458 set_64bit_val(wqe, 0, 4459 FIELD_PREP(IRDMA_CQPSQ_UPESD_SDCMD, info->entry[0].cmd)); 4460 4461 set_64bit_val(wqe, 8, info->entry[0].data); 4462 break; 4463 default: 4464 break; 4465 } 4466 4467 hdr = FIELD_PREP(IRDMA_CQPSQ_OPCODE, IRDMA_CQP_OP_UPDATE_PE_SDS) | 4468 FIELD_PREP(IRDMA_CQPSQ_WQEVALID, cqp->polarity) | 4469 FIELD_PREP(IRDMA_CQPSQ_UPESD_ENTRY_COUNT, mem_entries); 4470 dma_wmb(); /* make sure WQE is written before valid bit is set */ 4471 4472 set_64bit_val(wqe, 24, hdr); 4473 4474 if (mem_entries) 4475 print_hex_dump_debug("WQE: UPDATE_PE_SDS WQE Buffer", 4476 DUMP_PREFIX_OFFSET, 16, 8, 4477 (char *)sdbuf->va + offset, 4478 mem_entries << 4, false); 4479 4480 print_hex_dump_debug("WQE: UPDATE_PE_SDS WQE", DUMP_PREFIX_OFFSET, 16, 4481 8, wqe, IRDMA_CQP_WQE_SIZE * 8, false); 4482 4483 return 0; 4484 } 4485 4486 /** 4487 * irdma_update_pe_sds - cqp wqe for sd 4488 * @dev: ptr to irdma_dev struct 4489 * @info: sd info for sd's 4490 * @scratch: u64 saved to be used during cqp completion 4491 */ irdma_update_pe_sds(struct irdma_sc_dev * dev,struct irdma_update_sds_info * info,u64 scratch)4492 static int irdma_update_pe_sds(struct irdma_sc_dev *dev, 4493 struct irdma_update_sds_info *info, u64 scratch) 4494 { 4495 struct irdma_sc_cqp *cqp = dev->cqp; 4496 int ret_code; 4497 4498 ret_code = cqp_sds_wqe_fill(cqp, info, scratch); 4499 if (!ret_code) 4500 irdma_sc_cqp_post_sq(cqp); 4501 4502 return ret_code; 4503 } 4504 4505 /** 4506 * irdma_update_sds_noccq - update sd before ccq created 4507 * @dev: sc device struct 4508 * @info: sd info for sd's 4509 */ irdma_update_sds_noccq(struct irdma_sc_dev * dev,struct irdma_update_sds_info * info)4510 int irdma_update_sds_noccq(struct irdma_sc_dev *dev, 4511 struct irdma_update_sds_info *info) 4512 { 4513 u32 error, val, tail; 4514 struct irdma_sc_cqp *cqp = dev->cqp; 4515 int ret_code; 4516 4517 ret_code = cqp_sds_wqe_fill(cqp, info, 0); 4518 if (ret_code) 4519 return ret_code; 4520 4521 irdma_get_cqp_reg_info(cqp, &val, &tail, &error); 4522 4523 irdma_sc_cqp_post_sq(cqp); 4524 return irdma_cqp_poll_registers(cqp, tail, 4525 cqp->dev->hw_attrs.max_done_count); 4526 } 4527 4528 /** 4529 * irdma_sc_static_hmc_pages_allocated - cqp wqe to allocate hmc pages 4530 * @cqp: struct for cqp hw 4531 * @scratch: u64 saved to be used during cqp completion 4532 * @hmc_fn_id: hmc function id 4533 * @post_sq: flag for cqp db to ring 4534 * @poll_registers: flag to poll register for cqp completion 4535 */ irdma_sc_static_hmc_pages_allocated(struct irdma_sc_cqp * cqp,u64 scratch,u8 hmc_fn_id,bool post_sq,bool poll_registers)4536 int irdma_sc_static_hmc_pages_allocated(struct irdma_sc_cqp *cqp, u64 scratch, 4537 u8 hmc_fn_id, bool post_sq, 4538 bool poll_registers) 4539 { 4540 u64 hdr; 4541 __le64 *wqe; 4542 u32 tail, val, error; 4543 4544 wqe = irdma_sc_cqp_get_next_send_wqe(cqp, scratch); 4545 if (!wqe) 4546 return -ENOMEM; 4547 4548 set_64bit_val(wqe, 16, 4549 FIELD_PREP(IRDMA_SHMC_PAGE_ALLOCATED_HMC_FN_ID, hmc_fn_id)); 4550 4551 hdr = FIELD_PREP(IRDMA_CQPSQ_OPCODE, 4552 IRDMA_CQP_OP_SHMC_PAGES_ALLOCATED) | 4553 FIELD_PREP(IRDMA_CQPSQ_WQEVALID, cqp->polarity); 4554 dma_wmb(); /* make sure WQE is written before valid bit is set */ 4555 4556 set_64bit_val(wqe, 24, hdr); 4557 4558 print_hex_dump_debug("WQE: SHMC_PAGES_ALLOCATED WQE", 4559 DUMP_PREFIX_OFFSET, 16, 8, wqe, 4560 IRDMA_CQP_WQE_SIZE * 8, false); 4561 irdma_get_cqp_reg_info(cqp, &val, &tail, &error); 4562 4563 if (post_sq) { 4564 irdma_sc_cqp_post_sq(cqp); 4565 if (poll_registers) 4566 /* check for cqp sq tail update */ 4567 return irdma_cqp_poll_registers(cqp, tail, 4568 cqp->dev->hw_attrs.max_done_count); 4569 else 4570 return irdma_sc_poll_for_cqp_op_done(cqp, 4571 IRDMA_CQP_OP_SHMC_PAGES_ALLOCATED, 4572 NULL); 4573 } 4574 4575 return 0; 4576 } 4577 4578 /** 4579 * irdma_cqp_ring_full - check if cqp ring is full 4580 * @cqp: struct for cqp hw 4581 */ irdma_cqp_ring_full(struct irdma_sc_cqp * cqp)4582 static bool irdma_cqp_ring_full(struct irdma_sc_cqp *cqp) 4583 { 4584 return IRDMA_RING_FULL_ERR(cqp->sq_ring); 4585 } 4586 4587 /** 4588 * irdma_est_sd - returns approximate number of SDs for HMC 4589 * @dev: sc device struct 4590 * @hmc_info: hmc structure, size and count for HMC objects 4591 */ irdma_est_sd(struct irdma_sc_dev * dev,struct irdma_hmc_info * hmc_info)4592 static u32 irdma_est_sd(struct irdma_sc_dev *dev, 4593 struct irdma_hmc_info *hmc_info) 4594 { 4595 int i; 4596 u64 size = 0; 4597 u64 sd; 4598 4599 for (i = IRDMA_HMC_IW_QP; i < IRDMA_HMC_IW_MAX; i++) 4600 if (i != IRDMA_HMC_IW_PBLE) 4601 size += round_up(hmc_info->hmc_obj[i].cnt * 4602 hmc_info->hmc_obj[i].size, 512); 4603 size += round_up(hmc_info->hmc_obj[IRDMA_HMC_IW_PBLE].cnt * 4604 hmc_info->hmc_obj[IRDMA_HMC_IW_PBLE].size, 512); 4605 if (size & 0x1FFFFF) 4606 sd = (size >> 21) + 1; /* add 1 for remainder */ 4607 else 4608 sd = size >> 21; 4609 if (sd > 0xFFFFFFFF) { 4610 ibdev_dbg(to_ibdev(dev), "HMC: sd overflow[%lld]\n", sd); 4611 sd = 0xFFFFFFFF - 1; 4612 } 4613 4614 return (u32)sd; 4615 } 4616 4617 /** 4618 * irdma_sc_query_rdma_features_done - poll cqp for query features done 4619 * @cqp: struct for cqp hw 4620 */ irdma_sc_query_rdma_features_done(struct irdma_sc_cqp * cqp)4621 static int irdma_sc_query_rdma_features_done(struct irdma_sc_cqp *cqp) 4622 { 4623 return irdma_sc_poll_for_cqp_op_done(cqp, 4624 IRDMA_CQP_OP_QUERY_RDMA_FEATURES, 4625 NULL); 4626 } 4627 4628 /** 4629 * irdma_sc_query_rdma_features - query RDMA features and FW ver 4630 * @cqp: struct for cqp hw 4631 * @buf: buffer to hold query info 4632 * @scratch: u64 saved to be used during cqp completion 4633 */ irdma_sc_query_rdma_features(struct irdma_sc_cqp * cqp,struct irdma_dma_mem * buf,u64 scratch)4634 static int irdma_sc_query_rdma_features(struct irdma_sc_cqp *cqp, 4635 struct irdma_dma_mem *buf, u64 scratch) 4636 { 4637 __le64 *wqe; 4638 u64 temp; 4639 4640 wqe = irdma_sc_cqp_get_next_send_wqe(cqp, scratch); 4641 if (!wqe) 4642 return -ENOMEM; 4643 4644 temp = buf->pa; 4645 set_64bit_val(wqe, 32, temp); 4646 4647 temp = FIELD_PREP(IRDMA_CQPSQ_QUERY_RDMA_FEATURES_WQEVALID, 4648 cqp->polarity) | 4649 FIELD_PREP(IRDMA_CQPSQ_QUERY_RDMA_FEATURES_BUF_LEN, buf->size) | 4650 FIELD_PREP(IRDMA_CQPSQ_UP_OP, IRDMA_CQP_OP_QUERY_RDMA_FEATURES); 4651 dma_wmb(); /* make sure WQE is written before valid bit is set */ 4652 4653 set_64bit_val(wqe, 24, temp); 4654 4655 print_hex_dump_debug("WQE: QUERY RDMA FEATURES", DUMP_PREFIX_OFFSET, 4656 16, 8, wqe, IRDMA_CQP_WQE_SIZE * 8, false); 4657 irdma_sc_cqp_post_sq(cqp); 4658 4659 return 0; 4660 } 4661 4662 /** 4663 * irdma_get_rdma_features - get RDMA features 4664 * @dev: sc device struct 4665 */ irdma_get_rdma_features(struct irdma_sc_dev * dev)4666 int irdma_get_rdma_features(struct irdma_sc_dev *dev) 4667 { 4668 int ret_code; 4669 struct irdma_dma_mem feat_buf; 4670 u64 temp; 4671 u16 byte_idx, feat_type, feat_cnt, feat_idx; 4672 4673 feat_buf.size = ALIGN(IRDMA_FEATURE_BUF_SIZE, 4674 IRDMA_FEATURE_BUF_ALIGNMENT); 4675 feat_buf.va = dma_alloc_coherent(dev->hw->device, feat_buf.size, 4676 &feat_buf.pa, GFP_KERNEL); 4677 if (!feat_buf.va) 4678 return -ENOMEM; 4679 4680 ret_code = irdma_sc_query_rdma_features(dev->cqp, &feat_buf, 0); 4681 if (!ret_code) 4682 ret_code = irdma_sc_query_rdma_features_done(dev->cqp); 4683 if (ret_code) 4684 goto exit; 4685 4686 get_64bit_val(feat_buf.va, 0, &temp); 4687 feat_cnt = (u16)FIELD_GET(IRDMA_FEATURE_CNT, temp); 4688 if (feat_cnt < 2) { 4689 ret_code = -EINVAL; 4690 goto exit; 4691 } else if (feat_cnt > IRDMA_MAX_FEATURES) { 4692 ibdev_dbg(to_ibdev(dev), 4693 "DEV: feature buf size insufficient, retrying with larger buffer\n"); 4694 dma_free_coherent(dev->hw->device, feat_buf.size, feat_buf.va, 4695 feat_buf.pa); 4696 feat_buf.va = NULL; 4697 feat_buf.size = ALIGN(8 * feat_cnt, 4698 IRDMA_FEATURE_BUF_ALIGNMENT); 4699 feat_buf.va = dma_alloc_coherent(dev->hw->device, 4700 feat_buf.size, &feat_buf.pa, 4701 GFP_KERNEL); 4702 if (!feat_buf.va) 4703 return -ENOMEM; 4704 4705 ret_code = irdma_sc_query_rdma_features(dev->cqp, &feat_buf, 0); 4706 if (!ret_code) 4707 ret_code = irdma_sc_query_rdma_features_done(dev->cqp); 4708 if (ret_code) 4709 goto exit; 4710 4711 get_64bit_val(feat_buf.va, 0, &temp); 4712 feat_cnt = (u16)FIELD_GET(IRDMA_FEATURE_CNT, temp); 4713 if (feat_cnt < 2) { 4714 ret_code = -EINVAL; 4715 goto exit; 4716 } 4717 } 4718 4719 print_hex_dump_debug("WQE: QUERY RDMA FEATURES", DUMP_PREFIX_OFFSET, 4720 16, 8, feat_buf.va, feat_cnt * 8, false); 4721 4722 for (byte_idx = 0, feat_idx = 0; feat_idx < min(feat_cnt, (u16)IRDMA_MAX_FEATURES); 4723 feat_idx++, byte_idx += 8) { 4724 get_64bit_val(feat_buf.va, byte_idx, &temp); 4725 feat_type = FIELD_GET(IRDMA_FEATURE_TYPE, temp); 4726 if (feat_type >= IRDMA_MAX_FEATURES) { 4727 ibdev_dbg(to_ibdev(dev), 4728 "DEV: found unrecognized feature type %d\n", 4729 feat_type); 4730 continue; 4731 } 4732 dev->feature_info[feat_type] = temp; 4733 } 4734 exit: 4735 dma_free_coherent(dev->hw->device, feat_buf.size, feat_buf.va, 4736 feat_buf.pa); 4737 feat_buf.va = NULL; 4738 return ret_code; 4739 } 4740 irdma_q1_cnt(struct irdma_sc_dev * dev,struct irdma_hmc_info * hmc_info,u32 qpwanted)4741 static u32 irdma_q1_cnt(struct irdma_sc_dev *dev, 4742 struct irdma_hmc_info *hmc_info, u32 qpwanted) 4743 { 4744 u32 q1_cnt; 4745 4746 if (dev->hw_attrs.uk_attrs.hw_rev == IRDMA_GEN_1) { 4747 q1_cnt = roundup_pow_of_two(dev->hw_attrs.max_hw_ird * 2 * qpwanted); 4748 } else { 4749 if (dev->cqp->protocol_used != IRDMA_IWARP_PROTOCOL_ONLY) 4750 q1_cnt = roundup_pow_of_two(dev->hw_attrs.max_hw_ird * 2 * qpwanted + 512); 4751 else 4752 q1_cnt = dev->hw_attrs.max_hw_ird * 2 * qpwanted; 4753 } 4754 4755 return q1_cnt; 4756 } 4757 cfg_fpm_value_gen_1(struct irdma_sc_dev * dev,struct irdma_hmc_info * hmc_info,u32 qpwanted)4758 static void cfg_fpm_value_gen_1(struct irdma_sc_dev *dev, 4759 struct irdma_hmc_info *hmc_info, u32 qpwanted) 4760 { 4761 hmc_info->hmc_obj[IRDMA_HMC_IW_XF].cnt = roundup_pow_of_two(qpwanted * dev->hw_attrs.max_hw_wqes); 4762 } 4763 cfg_fpm_value_gen_2(struct irdma_sc_dev * dev,struct irdma_hmc_info * hmc_info,u32 qpwanted)4764 static void cfg_fpm_value_gen_2(struct irdma_sc_dev *dev, 4765 struct irdma_hmc_info *hmc_info, u32 qpwanted) 4766 { 4767 struct irdma_hmc_fpm_misc *hmc_fpm_misc = &dev->hmc_fpm_misc; 4768 4769 hmc_info->hmc_obj[IRDMA_HMC_IW_XF].cnt = 4770 4 * hmc_fpm_misc->xf_block_size * qpwanted; 4771 4772 hmc_info->hmc_obj[IRDMA_HMC_IW_HDR].cnt = qpwanted; 4773 4774 if (hmc_info->hmc_obj[IRDMA_HMC_IW_RRF].max_cnt) 4775 hmc_info->hmc_obj[IRDMA_HMC_IW_RRF].cnt = 32 * qpwanted; 4776 if (hmc_info->hmc_obj[IRDMA_HMC_IW_RRFFL].max_cnt) 4777 hmc_info->hmc_obj[IRDMA_HMC_IW_RRFFL].cnt = 4778 hmc_info->hmc_obj[IRDMA_HMC_IW_RRF].cnt / 4779 hmc_fpm_misc->rrf_block_size; 4780 if (hmc_info->hmc_obj[IRDMA_HMC_IW_OOISC].max_cnt) 4781 hmc_info->hmc_obj[IRDMA_HMC_IW_OOISC].cnt = 32 * qpwanted; 4782 if (hmc_info->hmc_obj[IRDMA_HMC_IW_OOISCFFL].max_cnt) 4783 hmc_info->hmc_obj[IRDMA_HMC_IW_OOISCFFL].cnt = 4784 hmc_info->hmc_obj[IRDMA_HMC_IW_OOISC].cnt / 4785 hmc_fpm_misc->ooiscf_block_size; 4786 } 4787 4788 /** 4789 * irdma_cfg_fpm_val - configure HMC objects 4790 * @dev: sc device struct 4791 * @qp_count: desired qp count 4792 */ irdma_cfg_fpm_val(struct irdma_sc_dev * dev,u32 qp_count)4793 int irdma_cfg_fpm_val(struct irdma_sc_dev *dev, u32 qp_count) 4794 { 4795 struct irdma_virt_mem virt_mem; 4796 u32 i, mem_size; 4797 u32 qpwanted, mrwanted, pblewanted; 4798 u32 powerof2, hte; 4799 u32 sd_needed; 4800 u32 sd_diff; 4801 u32 loop_count = 0; 4802 struct irdma_hmc_info *hmc_info; 4803 struct irdma_hmc_fpm_misc *hmc_fpm_misc; 4804 int ret_code = 0; 4805 4806 hmc_info = dev->hmc_info; 4807 hmc_fpm_misc = &dev->hmc_fpm_misc; 4808 4809 ret_code = irdma_sc_init_iw_hmc(dev, dev->hmc_fn_id); 4810 if (ret_code) { 4811 ibdev_dbg(to_ibdev(dev), 4812 "HMC: irdma_sc_init_iw_hmc returned error_code = %d\n", 4813 ret_code); 4814 return ret_code; 4815 } 4816 4817 for (i = IRDMA_HMC_IW_QP; i < IRDMA_HMC_IW_MAX; i++) 4818 hmc_info->hmc_obj[i].cnt = hmc_info->hmc_obj[i].max_cnt; 4819 sd_needed = irdma_est_sd(dev, hmc_info); 4820 ibdev_dbg(to_ibdev(dev), 4821 "HMC: FW max resources sd_needed[%08d] first_sd_index[%04d]\n", 4822 sd_needed, hmc_info->first_sd_index); 4823 ibdev_dbg(to_ibdev(dev), "HMC: sd count %d where max sd is %d\n", 4824 hmc_info->sd_table.sd_cnt, hmc_fpm_misc->max_sds); 4825 4826 qpwanted = min(qp_count, hmc_info->hmc_obj[IRDMA_HMC_IW_QP].max_cnt); 4827 4828 powerof2 = 1; 4829 while (powerof2 <= qpwanted) 4830 powerof2 *= 2; 4831 powerof2 /= 2; 4832 qpwanted = powerof2; 4833 4834 mrwanted = hmc_info->hmc_obj[IRDMA_HMC_IW_MR].max_cnt; 4835 pblewanted = hmc_info->hmc_obj[IRDMA_HMC_IW_PBLE].max_cnt; 4836 4837 ibdev_dbg(to_ibdev(dev), 4838 "HMC: req_qp=%d max_sd=%d, max_qp = %d, max_cq=%d, max_mr=%d, max_pble=%d, mc=%d, av=%d\n", 4839 qp_count, hmc_fpm_misc->max_sds, 4840 hmc_info->hmc_obj[IRDMA_HMC_IW_QP].max_cnt, 4841 hmc_info->hmc_obj[IRDMA_HMC_IW_CQ].max_cnt, 4842 hmc_info->hmc_obj[IRDMA_HMC_IW_MR].max_cnt, 4843 hmc_info->hmc_obj[IRDMA_HMC_IW_PBLE].max_cnt, 4844 hmc_info->hmc_obj[IRDMA_HMC_IW_FSIMC].max_cnt, 4845 hmc_info->hmc_obj[IRDMA_HMC_IW_FSIAV].max_cnt); 4846 hmc_info->hmc_obj[IRDMA_HMC_IW_FSIMC].cnt = 4847 hmc_info->hmc_obj[IRDMA_HMC_IW_FSIMC].max_cnt; 4848 hmc_info->hmc_obj[IRDMA_HMC_IW_FSIAV].cnt = 4849 hmc_info->hmc_obj[IRDMA_HMC_IW_FSIAV].max_cnt; 4850 hmc_info->hmc_obj[IRDMA_HMC_IW_ARP].cnt = 4851 hmc_info->hmc_obj[IRDMA_HMC_IW_ARP].max_cnt; 4852 4853 hmc_info->hmc_obj[IRDMA_HMC_IW_APBVT_ENTRY].cnt = 1; 4854 4855 while (irdma_q1_cnt(dev, hmc_info, qpwanted) > hmc_info->hmc_obj[IRDMA_HMC_IW_Q1].max_cnt) 4856 qpwanted /= 2; 4857 4858 do { 4859 ++loop_count; 4860 hmc_info->hmc_obj[IRDMA_HMC_IW_QP].cnt = qpwanted; 4861 hmc_info->hmc_obj[IRDMA_HMC_IW_CQ].cnt = 4862 min(2 * qpwanted, hmc_info->hmc_obj[IRDMA_HMC_IW_CQ].cnt); 4863 hmc_info->hmc_obj[IRDMA_HMC_IW_RESERVED].cnt = 0; /* Reserved */ 4864 hmc_info->hmc_obj[IRDMA_HMC_IW_MR].cnt = mrwanted; 4865 4866 hte = round_up(qpwanted + hmc_info->hmc_obj[IRDMA_HMC_IW_FSIMC].cnt, 512); 4867 powerof2 = 1; 4868 while (powerof2 < hte) 4869 powerof2 *= 2; 4870 hmc_info->hmc_obj[IRDMA_HMC_IW_HTE].cnt = 4871 powerof2 * hmc_fpm_misc->ht_multiplier; 4872 if (dev->hw_attrs.uk_attrs.hw_rev == IRDMA_GEN_1) 4873 cfg_fpm_value_gen_1(dev, hmc_info, qpwanted); 4874 else 4875 cfg_fpm_value_gen_2(dev, hmc_info, qpwanted); 4876 4877 hmc_info->hmc_obj[IRDMA_HMC_IW_Q1].cnt = irdma_q1_cnt(dev, hmc_info, qpwanted); 4878 hmc_info->hmc_obj[IRDMA_HMC_IW_XFFL].cnt = 4879 hmc_info->hmc_obj[IRDMA_HMC_IW_XF].cnt / hmc_fpm_misc->xf_block_size; 4880 hmc_info->hmc_obj[IRDMA_HMC_IW_Q1FL].cnt = 4881 hmc_info->hmc_obj[IRDMA_HMC_IW_Q1].cnt / hmc_fpm_misc->q1_block_size; 4882 hmc_info->hmc_obj[IRDMA_HMC_IW_TIMER].cnt = 4883 (round_up(qpwanted, 512) / 512 + 1) * hmc_fpm_misc->timer_bucket; 4884 4885 hmc_info->hmc_obj[IRDMA_HMC_IW_PBLE].cnt = pblewanted; 4886 sd_needed = irdma_est_sd(dev, hmc_info); 4887 ibdev_dbg(to_ibdev(dev), 4888 "HMC: sd_needed = %d, hmc_fpm_misc->max_sds=%d, mrwanted=%d, pblewanted=%d qpwanted=%d\n", 4889 sd_needed, hmc_fpm_misc->max_sds, mrwanted, 4890 pblewanted, qpwanted); 4891 4892 /* Do not reduce resources further. All objects fit with max SDs */ 4893 if (sd_needed <= hmc_fpm_misc->max_sds) 4894 break; 4895 4896 sd_diff = sd_needed - hmc_fpm_misc->max_sds; 4897 if (sd_diff > 128) { 4898 if (!(loop_count % 2) && qpwanted > 128) { 4899 qpwanted /= 2; 4900 } else { 4901 mrwanted /= 2; 4902 pblewanted /= 2; 4903 } 4904 continue; 4905 } 4906 if (dev->cqp->hmc_profile != IRDMA_HMC_PROFILE_FAVOR_VF && 4907 pblewanted > (512 * FPM_MULTIPLIER * sd_diff)) { 4908 pblewanted -= 256 * FPM_MULTIPLIER * sd_diff; 4909 continue; 4910 } else if (pblewanted > (100 * FPM_MULTIPLIER)) { 4911 pblewanted -= 10 * FPM_MULTIPLIER; 4912 } else if (pblewanted > FPM_MULTIPLIER) { 4913 pblewanted -= FPM_MULTIPLIER; 4914 } else if (qpwanted <= 128) { 4915 if (hmc_info->hmc_obj[IRDMA_HMC_IW_FSIMC].cnt > 256) 4916 hmc_info->hmc_obj[IRDMA_HMC_IW_FSIMC].cnt /= 2; 4917 if (hmc_info->hmc_obj[IRDMA_HMC_IW_FSIAV].cnt > 256) 4918 hmc_info->hmc_obj[IRDMA_HMC_IW_FSIAV].cnt /= 2; 4919 } 4920 if (mrwanted > FPM_MULTIPLIER) 4921 mrwanted -= FPM_MULTIPLIER; 4922 if (!(loop_count % 10) && qpwanted > 128) { 4923 qpwanted /= 2; 4924 if (hmc_info->hmc_obj[IRDMA_HMC_IW_FSIAV].cnt > 256) 4925 hmc_info->hmc_obj[IRDMA_HMC_IW_FSIAV].cnt /= 2; 4926 } 4927 } while (loop_count < 2000); 4928 4929 if (sd_needed > hmc_fpm_misc->max_sds) { 4930 ibdev_dbg(to_ibdev(dev), 4931 "HMC: cfg_fpm failed loop_cnt=%d, sd_needed=%d, max sd count %d\n", 4932 loop_count, sd_needed, hmc_info->sd_table.sd_cnt); 4933 return -EINVAL; 4934 } 4935 4936 if (loop_count > 1 && sd_needed < hmc_fpm_misc->max_sds) { 4937 pblewanted += (hmc_fpm_misc->max_sds - sd_needed) * 256 * 4938 FPM_MULTIPLIER; 4939 hmc_info->hmc_obj[IRDMA_HMC_IW_PBLE].cnt = pblewanted; 4940 sd_needed = irdma_est_sd(dev, hmc_info); 4941 } 4942 4943 ibdev_dbg(to_ibdev(dev), 4944 "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", 4945 loop_count, sd_needed, 4946 hmc_info->hmc_obj[IRDMA_HMC_IW_QP].cnt, 4947 hmc_info->hmc_obj[IRDMA_HMC_IW_CQ].cnt, 4948 hmc_info->hmc_obj[IRDMA_HMC_IW_MR].cnt, 4949 hmc_info->hmc_obj[IRDMA_HMC_IW_PBLE].cnt, 4950 hmc_info->hmc_obj[IRDMA_HMC_IW_FSIMC].cnt, 4951 hmc_info->hmc_obj[IRDMA_HMC_IW_FSIAV].cnt, 4952 hmc_info->sd_table.sd_cnt, hmc_info->first_sd_index); 4953 4954 ret_code = irdma_sc_cfg_iw_fpm(dev, dev->hmc_fn_id); 4955 if (ret_code) { 4956 ibdev_dbg(to_ibdev(dev), 4957 "HMC: cfg_iw_fpm returned error_code[x%08X]\n", 4958 readl(dev->hw_regs[IRDMA_CQPERRCODES])); 4959 return ret_code; 4960 } 4961 4962 mem_size = sizeof(struct irdma_hmc_sd_entry) * 4963 (hmc_info->sd_table.sd_cnt + hmc_info->first_sd_index + 1); 4964 virt_mem.size = mem_size; 4965 virt_mem.va = kzalloc(virt_mem.size, GFP_KERNEL); 4966 if (!virt_mem.va) { 4967 ibdev_dbg(to_ibdev(dev), 4968 "HMC: failed to allocate memory for sd_entry buffer\n"); 4969 return -ENOMEM; 4970 } 4971 hmc_info->sd_table.sd_entry = virt_mem.va; 4972 4973 return ret_code; 4974 } 4975 4976 /** 4977 * irdma_exec_cqp_cmd - execute cqp cmd when wqe are available 4978 * @dev: rdma device 4979 * @pcmdinfo: cqp command info 4980 */ irdma_exec_cqp_cmd(struct irdma_sc_dev * dev,struct cqp_cmds_info * pcmdinfo)4981 static int irdma_exec_cqp_cmd(struct irdma_sc_dev *dev, 4982 struct cqp_cmds_info *pcmdinfo) 4983 { 4984 int status; 4985 struct irdma_dma_mem val_mem; 4986 bool alloc = false; 4987 4988 dev->cqp_cmd_stats[pcmdinfo->cqp_cmd]++; 4989 switch (pcmdinfo->cqp_cmd) { 4990 case IRDMA_OP_CEQ_DESTROY: 4991 status = irdma_sc_ceq_destroy(pcmdinfo->in.u.ceq_destroy.ceq, 4992 pcmdinfo->in.u.ceq_destroy.scratch, 4993 pcmdinfo->post_sq); 4994 break; 4995 case IRDMA_OP_AEQ_DESTROY: 4996 status = irdma_sc_aeq_destroy(pcmdinfo->in.u.aeq_destroy.aeq, 4997 pcmdinfo->in.u.aeq_destroy.scratch, 4998 pcmdinfo->post_sq); 4999 5000 break; 5001 case IRDMA_OP_CEQ_CREATE: 5002 status = irdma_sc_ceq_create(pcmdinfo->in.u.ceq_create.ceq, 5003 pcmdinfo->in.u.ceq_create.scratch, 5004 pcmdinfo->post_sq); 5005 break; 5006 case IRDMA_OP_AEQ_CREATE: 5007 status = irdma_sc_aeq_create(pcmdinfo->in.u.aeq_create.aeq, 5008 pcmdinfo->in.u.aeq_create.scratch, 5009 pcmdinfo->post_sq); 5010 break; 5011 case IRDMA_OP_QP_UPLOAD_CONTEXT: 5012 status = irdma_sc_qp_upload_context(pcmdinfo->in.u.qp_upload_context.dev, 5013 &pcmdinfo->in.u.qp_upload_context.info, 5014 pcmdinfo->in.u.qp_upload_context.scratch, 5015 pcmdinfo->post_sq); 5016 break; 5017 case IRDMA_OP_CQ_CREATE: 5018 status = irdma_sc_cq_create(pcmdinfo->in.u.cq_create.cq, 5019 pcmdinfo->in.u.cq_create.scratch, 5020 pcmdinfo->in.u.cq_create.check_overflow, 5021 pcmdinfo->post_sq); 5022 break; 5023 case IRDMA_OP_CQ_MODIFY: 5024 status = irdma_sc_cq_modify(pcmdinfo->in.u.cq_modify.cq, 5025 &pcmdinfo->in.u.cq_modify.info, 5026 pcmdinfo->in.u.cq_modify.scratch, 5027 pcmdinfo->post_sq); 5028 break; 5029 case IRDMA_OP_CQ_DESTROY: 5030 status = irdma_sc_cq_destroy(pcmdinfo->in.u.cq_destroy.cq, 5031 pcmdinfo->in.u.cq_destroy.scratch, 5032 pcmdinfo->post_sq); 5033 break; 5034 case IRDMA_OP_QP_FLUSH_WQES: 5035 status = irdma_sc_qp_flush_wqes(pcmdinfo->in.u.qp_flush_wqes.qp, 5036 &pcmdinfo->in.u.qp_flush_wqes.info, 5037 pcmdinfo->in.u.qp_flush_wqes.scratch, 5038 pcmdinfo->post_sq); 5039 break; 5040 case IRDMA_OP_GEN_AE: 5041 status = irdma_sc_gen_ae(pcmdinfo->in.u.gen_ae.qp, 5042 &pcmdinfo->in.u.gen_ae.info, 5043 pcmdinfo->in.u.gen_ae.scratch, 5044 pcmdinfo->post_sq); 5045 break; 5046 case IRDMA_OP_MANAGE_PUSH_PAGE: 5047 status = irdma_sc_manage_push_page(pcmdinfo->in.u.manage_push_page.cqp, 5048 &pcmdinfo->in.u.manage_push_page.info, 5049 pcmdinfo->in.u.manage_push_page.scratch, 5050 pcmdinfo->post_sq); 5051 break; 5052 case IRDMA_OP_UPDATE_PE_SDS: 5053 status = irdma_update_pe_sds(pcmdinfo->in.u.update_pe_sds.dev, 5054 &pcmdinfo->in.u.update_pe_sds.info, 5055 pcmdinfo->in.u.update_pe_sds.scratch); 5056 break; 5057 case IRDMA_OP_MANAGE_HMC_PM_FUNC_TABLE: 5058 /* switch to calling through the call table */ 5059 status = 5060 irdma_sc_manage_hmc_pm_func_table(pcmdinfo->in.u.manage_hmc_pm.dev->cqp, 5061 &pcmdinfo->in.u.manage_hmc_pm.info, 5062 pcmdinfo->in.u.manage_hmc_pm.scratch, 5063 true); 5064 break; 5065 case IRDMA_OP_SUSPEND: 5066 status = irdma_sc_suspend_qp(pcmdinfo->in.u.suspend_resume.cqp, 5067 pcmdinfo->in.u.suspend_resume.qp, 5068 pcmdinfo->in.u.suspend_resume.scratch); 5069 break; 5070 case IRDMA_OP_RESUME: 5071 status = irdma_sc_resume_qp(pcmdinfo->in.u.suspend_resume.cqp, 5072 pcmdinfo->in.u.suspend_resume.qp, 5073 pcmdinfo->in.u.suspend_resume.scratch); 5074 break; 5075 case IRDMA_OP_QUERY_FPM_VAL: 5076 val_mem.pa = pcmdinfo->in.u.query_fpm_val.fpm_val_pa; 5077 val_mem.va = pcmdinfo->in.u.query_fpm_val.fpm_val_va; 5078 status = irdma_sc_query_fpm_val(pcmdinfo->in.u.query_fpm_val.cqp, 5079 pcmdinfo->in.u.query_fpm_val.scratch, 5080 pcmdinfo->in.u.query_fpm_val.hmc_fn_id, 5081 &val_mem, true, IRDMA_CQP_WAIT_EVENT); 5082 break; 5083 case IRDMA_OP_COMMIT_FPM_VAL: 5084 val_mem.pa = pcmdinfo->in.u.commit_fpm_val.fpm_val_pa; 5085 val_mem.va = pcmdinfo->in.u.commit_fpm_val.fpm_val_va; 5086 status = irdma_sc_commit_fpm_val(pcmdinfo->in.u.commit_fpm_val.cqp, 5087 pcmdinfo->in.u.commit_fpm_val.scratch, 5088 pcmdinfo->in.u.commit_fpm_val.hmc_fn_id, 5089 &val_mem, 5090 true, 5091 IRDMA_CQP_WAIT_EVENT); 5092 break; 5093 case IRDMA_OP_STATS_ALLOCATE: 5094 alloc = true; 5095 fallthrough; 5096 case IRDMA_OP_STATS_FREE: 5097 status = irdma_sc_manage_stats_inst(pcmdinfo->in.u.stats_manage.cqp, 5098 &pcmdinfo->in.u.stats_manage.info, 5099 alloc, 5100 pcmdinfo->in.u.stats_manage.scratch); 5101 break; 5102 case IRDMA_OP_STATS_GATHER: 5103 status = irdma_sc_gather_stats(pcmdinfo->in.u.stats_gather.cqp, 5104 &pcmdinfo->in.u.stats_gather.info, 5105 pcmdinfo->in.u.stats_gather.scratch); 5106 break; 5107 case IRDMA_OP_WS_MODIFY_NODE: 5108 status = irdma_sc_manage_ws_node(pcmdinfo->in.u.ws_node.cqp, 5109 &pcmdinfo->in.u.ws_node.info, 5110 IRDMA_MODIFY_NODE, 5111 pcmdinfo->in.u.ws_node.scratch); 5112 break; 5113 case IRDMA_OP_WS_DELETE_NODE: 5114 status = irdma_sc_manage_ws_node(pcmdinfo->in.u.ws_node.cqp, 5115 &pcmdinfo->in.u.ws_node.info, 5116 IRDMA_DEL_NODE, 5117 pcmdinfo->in.u.ws_node.scratch); 5118 break; 5119 case IRDMA_OP_WS_ADD_NODE: 5120 status = irdma_sc_manage_ws_node(pcmdinfo->in.u.ws_node.cqp, 5121 &pcmdinfo->in.u.ws_node.info, 5122 IRDMA_ADD_NODE, 5123 pcmdinfo->in.u.ws_node.scratch); 5124 break; 5125 case IRDMA_OP_SET_UP_MAP: 5126 status = irdma_sc_set_up_map(pcmdinfo->in.u.up_map.cqp, 5127 &pcmdinfo->in.u.up_map.info, 5128 pcmdinfo->in.u.up_map.scratch); 5129 break; 5130 case IRDMA_OP_QUERY_RDMA_FEATURES: 5131 status = irdma_sc_query_rdma_features(pcmdinfo->in.u.query_rdma.cqp, 5132 &pcmdinfo->in.u.query_rdma.query_buff_mem, 5133 pcmdinfo->in.u.query_rdma.scratch); 5134 break; 5135 case IRDMA_OP_DELETE_ARP_CACHE_ENTRY: 5136 status = irdma_sc_del_arp_cache_entry(pcmdinfo->in.u.del_arp_cache_entry.cqp, 5137 pcmdinfo->in.u.del_arp_cache_entry.scratch, 5138 pcmdinfo->in.u.del_arp_cache_entry.arp_index, 5139 pcmdinfo->post_sq); 5140 break; 5141 case IRDMA_OP_MANAGE_APBVT_ENTRY: 5142 status = irdma_sc_manage_apbvt_entry(pcmdinfo->in.u.manage_apbvt_entry.cqp, 5143 &pcmdinfo->in.u.manage_apbvt_entry.info, 5144 pcmdinfo->in.u.manage_apbvt_entry.scratch, 5145 pcmdinfo->post_sq); 5146 break; 5147 case IRDMA_OP_MANAGE_QHASH_TABLE_ENTRY: 5148 status = irdma_sc_manage_qhash_table_entry(pcmdinfo->in.u.manage_qhash_table_entry.cqp, 5149 &pcmdinfo->in.u.manage_qhash_table_entry.info, 5150 pcmdinfo->in.u.manage_qhash_table_entry.scratch, 5151 pcmdinfo->post_sq); 5152 break; 5153 case IRDMA_OP_QP_MODIFY: 5154 status = irdma_sc_qp_modify(pcmdinfo->in.u.qp_modify.qp, 5155 &pcmdinfo->in.u.qp_modify.info, 5156 pcmdinfo->in.u.qp_modify.scratch, 5157 pcmdinfo->post_sq); 5158 break; 5159 case IRDMA_OP_QP_CREATE: 5160 status = irdma_sc_qp_create(pcmdinfo->in.u.qp_create.qp, 5161 &pcmdinfo->in.u.qp_create.info, 5162 pcmdinfo->in.u.qp_create.scratch, 5163 pcmdinfo->post_sq); 5164 break; 5165 case IRDMA_OP_QP_DESTROY: 5166 status = irdma_sc_qp_destroy(pcmdinfo->in.u.qp_destroy.qp, 5167 pcmdinfo->in.u.qp_destroy.scratch, 5168 pcmdinfo->in.u.qp_destroy.remove_hash_idx, 5169 pcmdinfo->in.u.qp_destroy.ignore_mw_bnd, 5170 pcmdinfo->post_sq); 5171 break; 5172 case IRDMA_OP_ALLOC_STAG: 5173 status = irdma_sc_alloc_stag(pcmdinfo->in.u.alloc_stag.dev, 5174 &pcmdinfo->in.u.alloc_stag.info, 5175 pcmdinfo->in.u.alloc_stag.scratch, 5176 pcmdinfo->post_sq); 5177 break; 5178 case IRDMA_OP_MR_REG_NON_SHARED: 5179 status = irdma_sc_mr_reg_non_shared(pcmdinfo->in.u.mr_reg_non_shared.dev, 5180 &pcmdinfo->in.u.mr_reg_non_shared.info, 5181 pcmdinfo->in.u.mr_reg_non_shared.scratch, 5182 pcmdinfo->post_sq); 5183 break; 5184 case IRDMA_OP_DEALLOC_STAG: 5185 status = irdma_sc_dealloc_stag(pcmdinfo->in.u.dealloc_stag.dev, 5186 &pcmdinfo->in.u.dealloc_stag.info, 5187 pcmdinfo->in.u.dealloc_stag.scratch, 5188 pcmdinfo->post_sq); 5189 break; 5190 case IRDMA_OP_MW_ALLOC: 5191 status = irdma_sc_mw_alloc(pcmdinfo->in.u.mw_alloc.dev, 5192 &pcmdinfo->in.u.mw_alloc.info, 5193 pcmdinfo->in.u.mw_alloc.scratch, 5194 pcmdinfo->post_sq); 5195 break; 5196 case IRDMA_OP_ADD_ARP_CACHE_ENTRY: 5197 status = irdma_sc_add_arp_cache_entry(pcmdinfo->in.u.add_arp_cache_entry.cqp, 5198 &pcmdinfo->in.u.add_arp_cache_entry.info, 5199 pcmdinfo->in.u.add_arp_cache_entry.scratch, 5200 pcmdinfo->post_sq); 5201 break; 5202 case IRDMA_OP_ALLOC_LOCAL_MAC_ENTRY: 5203 status = irdma_sc_alloc_local_mac_entry(pcmdinfo->in.u.alloc_local_mac_entry.cqp, 5204 pcmdinfo->in.u.alloc_local_mac_entry.scratch, 5205 pcmdinfo->post_sq); 5206 break; 5207 case IRDMA_OP_ADD_LOCAL_MAC_ENTRY: 5208 status = irdma_sc_add_local_mac_entry(pcmdinfo->in.u.add_local_mac_entry.cqp, 5209 &pcmdinfo->in.u.add_local_mac_entry.info, 5210 pcmdinfo->in.u.add_local_mac_entry.scratch, 5211 pcmdinfo->post_sq); 5212 break; 5213 case IRDMA_OP_DELETE_LOCAL_MAC_ENTRY: 5214 status = irdma_sc_del_local_mac_entry(pcmdinfo->in.u.del_local_mac_entry.cqp, 5215 pcmdinfo->in.u.del_local_mac_entry.scratch, 5216 pcmdinfo->in.u.del_local_mac_entry.entry_idx, 5217 pcmdinfo->in.u.del_local_mac_entry.ignore_ref_count, 5218 pcmdinfo->post_sq); 5219 break; 5220 case IRDMA_OP_AH_CREATE: 5221 status = irdma_sc_create_ah(pcmdinfo->in.u.ah_create.cqp, 5222 &pcmdinfo->in.u.ah_create.info, 5223 pcmdinfo->in.u.ah_create.scratch); 5224 break; 5225 case IRDMA_OP_AH_DESTROY: 5226 status = irdma_sc_destroy_ah(pcmdinfo->in.u.ah_destroy.cqp, 5227 &pcmdinfo->in.u.ah_destroy.info, 5228 pcmdinfo->in.u.ah_destroy.scratch); 5229 break; 5230 case IRDMA_OP_MC_CREATE: 5231 status = irdma_sc_create_mcast_grp(pcmdinfo->in.u.mc_create.cqp, 5232 &pcmdinfo->in.u.mc_create.info, 5233 pcmdinfo->in.u.mc_create.scratch); 5234 break; 5235 case IRDMA_OP_MC_DESTROY: 5236 status = irdma_sc_destroy_mcast_grp(pcmdinfo->in.u.mc_destroy.cqp, 5237 &pcmdinfo->in.u.mc_destroy.info, 5238 pcmdinfo->in.u.mc_destroy.scratch); 5239 break; 5240 case IRDMA_OP_MC_MODIFY: 5241 status = irdma_sc_modify_mcast_grp(pcmdinfo->in.u.mc_modify.cqp, 5242 &pcmdinfo->in.u.mc_modify.info, 5243 pcmdinfo->in.u.mc_modify.scratch); 5244 break; 5245 default: 5246 status = -EOPNOTSUPP; 5247 break; 5248 } 5249 5250 return status; 5251 } 5252 5253 /** 5254 * irdma_process_cqp_cmd - process all cqp commands 5255 * @dev: sc device struct 5256 * @pcmdinfo: cqp command info 5257 */ irdma_process_cqp_cmd(struct irdma_sc_dev * dev,struct cqp_cmds_info * pcmdinfo)5258 int irdma_process_cqp_cmd(struct irdma_sc_dev *dev, 5259 struct cqp_cmds_info *pcmdinfo) 5260 { 5261 int status = 0; 5262 unsigned long flags; 5263 5264 spin_lock_irqsave(&dev->cqp_lock, flags); 5265 if (list_empty(&dev->cqp_cmd_head) && !irdma_cqp_ring_full(dev->cqp)) 5266 status = irdma_exec_cqp_cmd(dev, pcmdinfo); 5267 else 5268 list_add_tail(&pcmdinfo->cqp_cmd_entry, &dev->cqp_cmd_head); 5269 spin_unlock_irqrestore(&dev->cqp_lock, flags); 5270 return status; 5271 } 5272 5273 /** 5274 * irdma_process_bh - called from tasklet for cqp list 5275 * @dev: sc device struct 5276 */ irdma_process_bh(struct irdma_sc_dev * dev)5277 int irdma_process_bh(struct irdma_sc_dev *dev) 5278 { 5279 int status = 0; 5280 struct cqp_cmds_info *pcmdinfo; 5281 unsigned long flags; 5282 5283 spin_lock_irqsave(&dev->cqp_lock, flags); 5284 while (!list_empty(&dev->cqp_cmd_head) && 5285 !irdma_cqp_ring_full(dev->cqp)) { 5286 pcmdinfo = (struct cqp_cmds_info *)irdma_remove_cqp_head(dev); 5287 status = irdma_exec_cqp_cmd(dev, pcmdinfo); 5288 if (status) 5289 break; 5290 } 5291 spin_unlock_irqrestore(&dev->cqp_lock, flags); 5292 return status; 5293 } 5294 5295 /** 5296 * irdma_cfg_aeq- Configure AEQ interrupt 5297 * @dev: pointer to the device structure 5298 * @idx: vector index 5299 * @enable: True to enable, False disables 5300 */ irdma_cfg_aeq(struct irdma_sc_dev * dev,u32 idx,bool enable)5301 void irdma_cfg_aeq(struct irdma_sc_dev *dev, u32 idx, bool enable) 5302 { 5303 u32 reg_val; 5304 5305 reg_val = FIELD_PREP(IRDMA_PFINT_AEQCTL_CAUSE_ENA, enable) | 5306 FIELD_PREP(IRDMA_PFINT_AEQCTL_MSIX_INDX, idx) | 5307 FIELD_PREP(IRDMA_PFINT_AEQCTL_ITR_INDX, 3); 5308 writel(reg_val, dev->hw_regs[IRDMA_PFINT_AEQCTL]); 5309 } 5310 5311 /** 5312 * sc_vsi_update_stats - Update statistics 5313 * @vsi: sc_vsi instance to update 5314 */ sc_vsi_update_stats(struct irdma_sc_vsi * vsi)5315 void sc_vsi_update_stats(struct irdma_sc_vsi *vsi) 5316 { 5317 struct irdma_gather_stats *gather_stats; 5318 struct irdma_gather_stats *last_gather_stats; 5319 5320 gather_stats = vsi->pestat->gather_info.gather_stats_va; 5321 last_gather_stats = vsi->pestat->gather_info.last_gather_stats_va; 5322 irdma_update_stats(&vsi->pestat->hw_stats, gather_stats, 5323 last_gather_stats, vsi->dev->hw_stats_map, 5324 vsi->dev->hw_attrs.max_stat_idx); 5325 } 5326 5327 /** 5328 * irdma_wait_pe_ready - Check if firmware is ready 5329 * @dev: provides access to registers 5330 */ irdma_wait_pe_ready(struct irdma_sc_dev * dev)5331 static int irdma_wait_pe_ready(struct irdma_sc_dev *dev) 5332 { 5333 u32 statuscpu0; 5334 u32 statuscpu1; 5335 u32 statuscpu2; 5336 u32 retrycount = 0; 5337 5338 do { 5339 statuscpu0 = readl(dev->hw_regs[IRDMA_GLPE_CPUSTATUS0]); 5340 statuscpu1 = readl(dev->hw_regs[IRDMA_GLPE_CPUSTATUS1]); 5341 statuscpu2 = readl(dev->hw_regs[IRDMA_GLPE_CPUSTATUS2]); 5342 if (statuscpu0 == 0x80 && statuscpu1 == 0x80 && 5343 statuscpu2 == 0x80) 5344 return 0; 5345 mdelay(1000); 5346 } while (retrycount++ < dev->hw_attrs.max_pe_ready_count); 5347 return -1; 5348 } 5349 irdma_sc_init_hw(struct irdma_sc_dev * dev)5350 static inline void irdma_sc_init_hw(struct irdma_sc_dev *dev) 5351 { 5352 switch (dev->hw_attrs.uk_attrs.hw_rev) { 5353 case IRDMA_GEN_1: 5354 i40iw_init_hw(dev); 5355 break; 5356 case IRDMA_GEN_2: 5357 icrdma_init_hw(dev); 5358 break; 5359 } 5360 } 5361 5362 /** 5363 * irdma_sc_dev_init - Initialize control part of device 5364 * @ver: version 5365 * @dev: Device pointer 5366 * @info: Device init info 5367 */ irdma_sc_dev_init(enum irdma_vers ver,struct irdma_sc_dev * dev,struct irdma_device_init_info * info)5368 int irdma_sc_dev_init(enum irdma_vers ver, struct irdma_sc_dev *dev, 5369 struct irdma_device_init_info *info) 5370 { 5371 u32 val; 5372 int ret_code = 0; 5373 u8 db_size; 5374 5375 INIT_LIST_HEAD(&dev->cqp_cmd_head); /* for CQP command backlog */ 5376 mutex_init(&dev->ws_mutex); 5377 dev->hmc_fn_id = info->hmc_fn_id; 5378 dev->fpm_query_buf_pa = info->fpm_query_buf_pa; 5379 dev->fpm_query_buf = info->fpm_query_buf; 5380 dev->fpm_commit_buf_pa = info->fpm_commit_buf_pa; 5381 dev->fpm_commit_buf = info->fpm_commit_buf; 5382 dev->hw = info->hw; 5383 dev->hw->hw_addr = info->bar0; 5384 /* Setup the hardware limits, hmc may limit further */ 5385 dev->hw_attrs.min_hw_qp_id = IRDMA_MIN_IW_QP_ID; 5386 dev->hw_attrs.min_hw_aeq_size = IRDMA_MIN_AEQ_ENTRIES; 5387 dev->hw_attrs.max_hw_aeq_size = IRDMA_MAX_AEQ_ENTRIES; 5388 dev->hw_attrs.min_hw_ceq_size = IRDMA_MIN_CEQ_ENTRIES; 5389 dev->hw_attrs.max_hw_ceq_size = IRDMA_MAX_CEQ_ENTRIES; 5390 dev->hw_attrs.uk_attrs.min_hw_cq_size = IRDMA_MIN_CQ_SIZE; 5391 dev->hw_attrs.uk_attrs.max_hw_cq_size = IRDMA_MAX_CQ_SIZE; 5392 dev->hw_attrs.uk_attrs.max_hw_wq_frags = IRDMA_MAX_WQ_FRAGMENT_COUNT; 5393 dev->hw_attrs.uk_attrs.max_hw_read_sges = IRDMA_MAX_SGE_RD; 5394 dev->hw_attrs.max_hw_outbound_msg_size = IRDMA_MAX_OUTBOUND_MSG_SIZE; 5395 dev->hw_attrs.max_mr_size = IRDMA_MAX_MR_SIZE; 5396 dev->hw_attrs.max_hw_inbound_msg_size = IRDMA_MAX_INBOUND_MSG_SIZE; 5397 dev->hw_attrs.max_hw_device_pages = IRDMA_MAX_PUSH_PAGE_COUNT; 5398 dev->hw_attrs.uk_attrs.max_hw_inline = IRDMA_MAX_INLINE_DATA_SIZE; 5399 dev->hw_attrs.max_hw_wqes = IRDMA_MAX_WQ_ENTRIES; 5400 dev->hw_attrs.max_qp_wr = IRDMA_MAX_QP_WRS(IRDMA_MAX_QUANTA_PER_WR); 5401 5402 dev->hw_attrs.uk_attrs.max_hw_rq_quanta = IRDMA_QP_SW_MAX_RQ_QUANTA; 5403 dev->hw_attrs.uk_attrs.max_hw_wq_quanta = IRDMA_QP_SW_MAX_WQ_QUANTA; 5404 dev->hw_attrs.max_hw_pds = IRDMA_MAX_PDS; 5405 dev->hw_attrs.max_hw_ena_vf_count = IRDMA_MAX_PE_ENA_VF_COUNT; 5406 5407 dev->hw_attrs.max_pe_ready_count = 14; 5408 dev->hw_attrs.max_done_count = IRDMA_DONE_COUNT; 5409 dev->hw_attrs.max_sleep_count = IRDMA_SLEEP_COUNT; 5410 dev->hw_attrs.max_cqp_compl_wait_time_ms = CQP_COMPL_WAIT_TIME_MS; 5411 5412 dev->hw_attrs.uk_attrs.hw_rev = ver; 5413 irdma_sc_init_hw(dev); 5414 5415 if (irdma_wait_pe_ready(dev)) 5416 return -ETIMEDOUT; 5417 5418 val = readl(dev->hw_regs[IRDMA_GLPCI_LBARCTRL]); 5419 db_size = (u8)FIELD_GET(IRDMA_GLPCI_LBARCTRL_PE_DB_SIZE, val); 5420 if (db_size != IRDMA_PE_DB_SIZE_4M && db_size != IRDMA_PE_DB_SIZE_8M) { 5421 ibdev_dbg(to_ibdev(dev), 5422 "DEV: RDMA PE doorbell is not enabled in CSR val 0x%x db_size=%d\n", 5423 val, db_size); 5424 return -ENODEV; 5425 } 5426 dev->db_addr = dev->hw->hw_addr + (uintptr_t)dev->hw_regs[IRDMA_DB_ADDR_OFFSET]; 5427 5428 return ret_code; 5429 } 5430 5431 /** 5432 * irdma_stat_val - Extract HW counter value from statistics buffer 5433 * @stats_val: pointer to statistics buffer 5434 * @byteoff: byte offset of counter value in the buffer (8B-aligned) 5435 * @bitoff: bit offset of counter value within 8B entry 5436 * @bitmask: maximum counter value (e.g. 0xffffff for 24-bit counter) 5437 */ irdma_stat_val(const u64 * stats_val,u16 byteoff,u8 bitoff,u64 bitmask)5438 static inline u64 irdma_stat_val(const u64 *stats_val, u16 byteoff, u8 bitoff, 5439 u64 bitmask) 5440 { 5441 u16 idx = byteoff / sizeof(*stats_val); 5442 5443 return (stats_val[idx] >> bitoff) & bitmask; 5444 } 5445 5446 /** 5447 * irdma_stat_delta - Calculate counter delta 5448 * @new_val: updated counter value 5449 * @old_val: last counter value 5450 * @max_val: maximum counter value (e.g. 0xffffff for 24-bit counter) 5451 */ irdma_stat_delta(u64 new_val,u64 old_val,u64 max_val)5452 static inline u64 irdma_stat_delta(u64 new_val, u64 old_val, u64 max_val) 5453 { 5454 if (new_val >= old_val) 5455 return new_val - old_val; 5456 5457 /* roll-over case */ 5458 return max_val - old_val + new_val + 1; 5459 } 5460 5461 /** 5462 * irdma_update_stats - Update statistics 5463 * @hw_stats: hw_stats instance to update 5464 * @gather_stats: updated stat counters 5465 * @last_gather_stats: last stat counters 5466 * @map: HW stat map (hw_stats => gather_stats) 5467 * @max_stat_idx: number of HW stats 5468 */ irdma_update_stats(struct irdma_dev_hw_stats * hw_stats,struct irdma_gather_stats * gather_stats,struct irdma_gather_stats * last_gather_stats,const struct irdma_hw_stat_map * map,u16 max_stat_idx)5469 void irdma_update_stats(struct irdma_dev_hw_stats *hw_stats, 5470 struct irdma_gather_stats *gather_stats, 5471 struct irdma_gather_stats *last_gather_stats, 5472 const struct irdma_hw_stat_map *map, u16 max_stat_idx) 5473 { 5474 u64 *stats_val = hw_stats->stats_val; 5475 u16 i; 5476 5477 for (i = 0; i < max_stat_idx; i++) { 5478 u64 new_val = irdma_stat_val(gather_stats->val, map[i].byteoff, 5479 map[i].bitoff, map[i].bitmask); 5480 u64 last_val = irdma_stat_val(last_gather_stats->val, 5481 map[i].byteoff, map[i].bitoff, 5482 map[i].bitmask); 5483 5484 stats_val[i] += 5485 irdma_stat_delta(new_val, last_val, map[i].bitmask); 5486 } 5487 5488 memcpy(last_gather_stats, gather_stats, sizeof(*last_gather_stats)); 5489 } 5490