1 /* QLogic qed NIC Driver 2 * Copyright (c) 2015-2017 QLogic Corporation 3 * 4 * This software is available to you under a choice of one of two 5 * licenses. You may choose to be licensed under the terms of the GNU 6 * General Public License (GPL) Version 2, available from the file 7 * COPYING in the main directory of this source tree, or the 8 * OpenIB.org BSD license below: 9 * 10 * Redistribution and use in source and binary forms, with or 11 * without modification, are permitted provided that the following 12 * conditions are met: 13 * 14 * - Redistributions of source code must retain the above 15 * copyright notice, this list of conditions and the following 16 * disclaimer. 17 * 18 * - Redistributions in binary form must reproduce the above 19 * copyright notice, this list of conditions and the following 20 * disclaimer in the documentation and /or other materials 21 * provided with the distribution. 22 * 23 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, 24 * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF 25 * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND 26 * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS 27 * BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN 28 * ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN 29 * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE 30 * SOFTWARE. 31 */ 32 33 #include <linux/types.h> 34 #include <asm/byteorder.h> 35 #include <linux/io.h> 36 #include <linux/delay.h> 37 #include <linux/dma-mapping.h> 38 #include <linux/errno.h> 39 #include <linux/kernel.h> 40 #include <linux/mutex.h> 41 #include <linux/pci.h> 42 #include <linux/slab.h> 43 #include <linux/string.h> 44 #include <linux/vmalloc.h> 45 #include <linux/etherdevice.h> 46 #include <linux/qed/qed_chain.h> 47 #include <linux/qed/qed_if.h> 48 #include "qed.h" 49 #include "qed_cxt.h" 50 #include "qed_dcbx.h" 51 #include "qed_dev_api.h" 52 #include "qed_fcoe.h" 53 #include "qed_hsi.h" 54 #include "qed_hw.h" 55 #include "qed_init_ops.h" 56 #include "qed_int.h" 57 #include "qed_iscsi.h" 58 #include "qed_ll2.h" 59 #include "qed_mcp.h" 60 #include "qed_ooo.h" 61 #include "qed_reg_addr.h" 62 #include "qed_sp.h" 63 #include "qed_sriov.h" 64 #include "qed_vf.h" 65 #include "qed_rdma.h" 66 67 static DEFINE_SPINLOCK(qm_lock); 68 69 #define QED_MIN_DPIS (4) 70 #define QED_MIN_PWM_REGION (QED_WID_SIZE * QED_MIN_DPIS) 71 72 static u32 qed_hw_bar_size(struct qed_hwfn *p_hwfn, 73 struct qed_ptt *p_ptt, enum BAR_ID bar_id) 74 { 75 u32 bar_reg = (bar_id == BAR_ID_0 ? 76 PGLUE_B_REG_PF_BAR0_SIZE : PGLUE_B_REG_PF_BAR1_SIZE); 77 u32 val; 78 79 if (IS_VF(p_hwfn->cdev)) 80 return qed_vf_hw_bar_size(p_hwfn, bar_id); 81 82 val = qed_rd(p_hwfn, p_ptt, bar_reg); 83 if (val) 84 return 1 << (val + 15); 85 86 /* Old MFW initialized above registered only conditionally */ 87 if (p_hwfn->cdev->num_hwfns > 1) { 88 DP_INFO(p_hwfn, 89 "BAR size not configured. Assuming BAR size of 256kB for GRC and 512kB for DB\n"); 90 return BAR_ID_0 ? 256 * 1024 : 512 * 1024; 91 } else { 92 DP_INFO(p_hwfn, 93 "BAR size not configured. Assuming BAR size of 512kB for GRC and 512kB for DB\n"); 94 return 512 * 1024; 95 } 96 } 97 98 void qed_init_dp(struct qed_dev *cdev, u32 dp_module, u8 dp_level) 99 { 100 u32 i; 101 102 cdev->dp_level = dp_level; 103 cdev->dp_module = dp_module; 104 for (i = 0; i < MAX_HWFNS_PER_DEVICE; i++) { 105 struct qed_hwfn *p_hwfn = &cdev->hwfns[i]; 106 107 p_hwfn->dp_level = dp_level; 108 p_hwfn->dp_module = dp_module; 109 } 110 } 111 112 void qed_init_struct(struct qed_dev *cdev) 113 { 114 u8 i; 115 116 for (i = 0; i < MAX_HWFNS_PER_DEVICE; i++) { 117 struct qed_hwfn *p_hwfn = &cdev->hwfns[i]; 118 119 p_hwfn->cdev = cdev; 120 p_hwfn->my_id = i; 121 p_hwfn->b_active = false; 122 123 mutex_init(&p_hwfn->dmae_info.mutex); 124 } 125 126 /* hwfn 0 is always active */ 127 cdev->hwfns[0].b_active = true; 128 129 /* set the default cache alignment to 128 */ 130 cdev->cache_shift = 7; 131 } 132 133 static void qed_qm_info_free(struct qed_hwfn *p_hwfn) 134 { 135 struct qed_qm_info *qm_info = &p_hwfn->qm_info; 136 137 kfree(qm_info->qm_pq_params); 138 qm_info->qm_pq_params = NULL; 139 kfree(qm_info->qm_vport_params); 140 qm_info->qm_vport_params = NULL; 141 kfree(qm_info->qm_port_params); 142 qm_info->qm_port_params = NULL; 143 kfree(qm_info->wfq_data); 144 qm_info->wfq_data = NULL; 145 } 146 147 static void qed_dbg_user_data_free(struct qed_hwfn *p_hwfn) 148 { 149 kfree(p_hwfn->dbg_user_info); 150 p_hwfn->dbg_user_info = NULL; 151 } 152 153 void qed_resc_free(struct qed_dev *cdev) 154 { 155 int i; 156 157 if (IS_VF(cdev)) { 158 for_each_hwfn(cdev, i) 159 qed_l2_free(&cdev->hwfns[i]); 160 return; 161 } 162 163 kfree(cdev->fw_data); 164 cdev->fw_data = NULL; 165 166 kfree(cdev->reset_stats); 167 cdev->reset_stats = NULL; 168 169 for_each_hwfn(cdev, i) { 170 struct qed_hwfn *p_hwfn = &cdev->hwfns[i]; 171 172 qed_cxt_mngr_free(p_hwfn); 173 qed_qm_info_free(p_hwfn); 174 qed_spq_free(p_hwfn); 175 qed_eq_free(p_hwfn); 176 qed_consq_free(p_hwfn); 177 qed_int_free(p_hwfn); 178 #ifdef CONFIG_QED_LL2 179 qed_ll2_free(p_hwfn); 180 #endif 181 if (p_hwfn->hw_info.personality == QED_PCI_FCOE) 182 qed_fcoe_free(p_hwfn); 183 184 if (p_hwfn->hw_info.personality == QED_PCI_ISCSI) { 185 qed_iscsi_free(p_hwfn); 186 qed_ooo_free(p_hwfn); 187 } 188 qed_iov_free(p_hwfn); 189 qed_l2_free(p_hwfn); 190 qed_dmae_info_free(p_hwfn); 191 qed_dcbx_info_free(p_hwfn); 192 qed_dbg_user_data_free(p_hwfn); 193 } 194 } 195 196 /******************** QM initialization *******************/ 197 #define ACTIVE_TCS_BMAP 0x9f 198 #define ACTIVE_TCS_BMAP_4PORT_K2 0xf 199 200 /* determines the physical queue flags for a given PF. */ 201 static u32 qed_get_pq_flags(struct qed_hwfn *p_hwfn) 202 { 203 u32 flags; 204 205 /* common flags */ 206 flags = PQ_FLAGS_LB; 207 208 /* feature flags */ 209 if (IS_QED_SRIOV(p_hwfn->cdev)) 210 flags |= PQ_FLAGS_VFS; 211 212 /* protocol flags */ 213 switch (p_hwfn->hw_info.personality) { 214 case QED_PCI_ETH: 215 flags |= PQ_FLAGS_MCOS; 216 break; 217 case QED_PCI_FCOE: 218 flags |= PQ_FLAGS_OFLD; 219 break; 220 case QED_PCI_ISCSI: 221 flags |= PQ_FLAGS_ACK | PQ_FLAGS_OOO | PQ_FLAGS_OFLD; 222 break; 223 case QED_PCI_ETH_ROCE: 224 flags |= PQ_FLAGS_MCOS | PQ_FLAGS_OFLD | PQ_FLAGS_LLT; 225 if (IS_QED_MULTI_TC_ROCE(p_hwfn)) 226 flags |= PQ_FLAGS_MTC; 227 break; 228 case QED_PCI_ETH_IWARP: 229 flags |= PQ_FLAGS_MCOS | PQ_FLAGS_ACK | PQ_FLAGS_OOO | 230 PQ_FLAGS_OFLD; 231 break; 232 default: 233 DP_ERR(p_hwfn, 234 "unknown personality %d\n", p_hwfn->hw_info.personality); 235 return 0; 236 } 237 238 return flags; 239 } 240 241 /* Getters for resource amounts necessary for qm initialization */ 242 static u8 qed_init_qm_get_num_tcs(struct qed_hwfn *p_hwfn) 243 { 244 return p_hwfn->hw_info.num_hw_tc; 245 } 246 247 static u16 qed_init_qm_get_num_vfs(struct qed_hwfn *p_hwfn) 248 { 249 return IS_QED_SRIOV(p_hwfn->cdev) ? 250 p_hwfn->cdev->p_iov_info->total_vfs : 0; 251 } 252 253 static u8 qed_init_qm_get_num_mtc_tcs(struct qed_hwfn *p_hwfn) 254 { 255 u32 pq_flags = qed_get_pq_flags(p_hwfn); 256 257 if (!(PQ_FLAGS_MTC & pq_flags)) 258 return 1; 259 260 return qed_init_qm_get_num_tcs(p_hwfn); 261 } 262 263 #define NUM_DEFAULT_RLS 1 264 265 static u16 qed_init_qm_get_num_pf_rls(struct qed_hwfn *p_hwfn) 266 { 267 u16 num_pf_rls, num_vfs = qed_init_qm_get_num_vfs(p_hwfn); 268 269 /* num RLs can't exceed resource amount of rls or vports */ 270 num_pf_rls = (u16) min_t(u32, RESC_NUM(p_hwfn, QED_RL), 271 RESC_NUM(p_hwfn, QED_VPORT)); 272 273 /* Make sure after we reserve there's something left */ 274 if (num_pf_rls < num_vfs + NUM_DEFAULT_RLS) 275 return 0; 276 277 /* subtract rls necessary for VFs and one default one for the PF */ 278 num_pf_rls -= num_vfs + NUM_DEFAULT_RLS; 279 280 return num_pf_rls; 281 } 282 283 static u16 qed_init_qm_get_num_vports(struct qed_hwfn *p_hwfn) 284 { 285 u32 pq_flags = qed_get_pq_flags(p_hwfn); 286 287 /* all pqs share the same vport, except for vfs and pf_rl pqs */ 288 return (!!(PQ_FLAGS_RLS & pq_flags)) * 289 qed_init_qm_get_num_pf_rls(p_hwfn) + 290 (!!(PQ_FLAGS_VFS & pq_flags)) * 291 qed_init_qm_get_num_vfs(p_hwfn) + 1; 292 } 293 294 /* calc amount of PQs according to the requested flags */ 295 static u16 qed_init_qm_get_num_pqs(struct qed_hwfn *p_hwfn) 296 { 297 u32 pq_flags = qed_get_pq_flags(p_hwfn); 298 299 return (!!(PQ_FLAGS_RLS & pq_flags)) * 300 qed_init_qm_get_num_pf_rls(p_hwfn) + 301 (!!(PQ_FLAGS_MCOS & pq_flags)) * 302 qed_init_qm_get_num_tcs(p_hwfn) + 303 (!!(PQ_FLAGS_LB & pq_flags)) + (!!(PQ_FLAGS_OOO & pq_flags)) + 304 (!!(PQ_FLAGS_ACK & pq_flags)) + 305 (!!(PQ_FLAGS_OFLD & pq_flags)) * 306 qed_init_qm_get_num_mtc_tcs(p_hwfn) + 307 (!!(PQ_FLAGS_LLT & pq_flags)) * 308 qed_init_qm_get_num_mtc_tcs(p_hwfn) + 309 (!!(PQ_FLAGS_VFS & pq_flags)) * qed_init_qm_get_num_vfs(p_hwfn); 310 } 311 312 /* initialize the top level QM params */ 313 static void qed_init_qm_params(struct qed_hwfn *p_hwfn) 314 { 315 struct qed_qm_info *qm_info = &p_hwfn->qm_info; 316 bool four_port; 317 318 /* pq and vport bases for this PF */ 319 qm_info->start_pq = (u16) RESC_START(p_hwfn, QED_PQ); 320 qm_info->start_vport = (u8) RESC_START(p_hwfn, QED_VPORT); 321 322 /* rate limiting and weighted fair queueing are always enabled */ 323 qm_info->vport_rl_en = true; 324 qm_info->vport_wfq_en = true; 325 326 /* TC config is different for AH 4 port */ 327 four_port = p_hwfn->cdev->num_ports_in_engine == MAX_NUM_PORTS_K2; 328 329 /* in AH 4 port we have fewer TCs per port */ 330 qm_info->max_phys_tcs_per_port = four_port ? NUM_PHYS_TCS_4PORT_K2 : 331 NUM_OF_PHYS_TCS; 332 333 /* unless MFW indicated otherwise, ooo_tc == 3 for 334 * AH 4-port and 4 otherwise. 335 */ 336 if (!qm_info->ooo_tc) 337 qm_info->ooo_tc = four_port ? DCBX_TCP_OOO_K2_4PORT_TC : 338 DCBX_TCP_OOO_TC; 339 } 340 341 /* initialize qm vport params */ 342 static void qed_init_qm_vport_params(struct qed_hwfn *p_hwfn) 343 { 344 struct qed_qm_info *qm_info = &p_hwfn->qm_info; 345 u8 i; 346 347 /* all vports participate in weighted fair queueing */ 348 for (i = 0; i < qed_init_qm_get_num_vports(p_hwfn); i++) 349 qm_info->qm_vport_params[i].vport_wfq = 1; 350 } 351 352 /* initialize qm port params */ 353 static void qed_init_qm_port_params(struct qed_hwfn *p_hwfn) 354 { 355 /* Initialize qm port parameters */ 356 u8 i, active_phys_tcs, num_ports = p_hwfn->cdev->num_ports_in_engine; 357 358 /* indicate how ooo and high pri traffic is dealt with */ 359 active_phys_tcs = num_ports == MAX_NUM_PORTS_K2 ? 360 ACTIVE_TCS_BMAP_4PORT_K2 : 361 ACTIVE_TCS_BMAP; 362 363 for (i = 0; i < num_ports; i++) { 364 struct init_qm_port_params *p_qm_port = 365 &p_hwfn->qm_info.qm_port_params[i]; 366 367 p_qm_port->active = 1; 368 p_qm_port->active_phys_tcs = active_phys_tcs; 369 p_qm_port->num_pbf_cmd_lines = PBF_MAX_CMD_LINES / num_ports; 370 p_qm_port->num_btb_blocks = BTB_MAX_BLOCKS / num_ports; 371 } 372 } 373 374 /* Reset the params which must be reset for qm init. QM init may be called as 375 * a result of flows other than driver load (e.g. dcbx renegotiation). Other 376 * params may be affected by the init but would simply recalculate to the same 377 * values. The allocations made for QM init, ports, vports, pqs and vfqs are not 378 * affected as these amounts stay the same. 379 */ 380 static void qed_init_qm_reset_params(struct qed_hwfn *p_hwfn) 381 { 382 struct qed_qm_info *qm_info = &p_hwfn->qm_info; 383 384 qm_info->num_pqs = 0; 385 qm_info->num_vports = 0; 386 qm_info->num_pf_rls = 0; 387 qm_info->num_vf_pqs = 0; 388 qm_info->first_vf_pq = 0; 389 qm_info->first_mcos_pq = 0; 390 qm_info->first_rl_pq = 0; 391 } 392 393 static void qed_init_qm_advance_vport(struct qed_hwfn *p_hwfn) 394 { 395 struct qed_qm_info *qm_info = &p_hwfn->qm_info; 396 397 qm_info->num_vports++; 398 399 if (qm_info->num_vports > qed_init_qm_get_num_vports(p_hwfn)) 400 DP_ERR(p_hwfn, 401 "vport overflow! qm_info->num_vports %d, qm_init_get_num_vports() %d\n", 402 qm_info->num_vports, qed_init_qm_get_num_vports(p_hwfn)); 403 } 404 405 /* initialize a single pq and manage qm_info resources accounting. 406 * The pq_init_flags param determines whether the PQ is rate limited 407 * (for VF or PF) and whether a new vport is allocated to the pq or not 408 * (i.e. vport will be shared). 409 */ 410 411 /* flags for pq init */ 412 #define PQ_INIT_SHARE_VPORT (1 << 0) 413 #define PQ_INIT_PF_RL (1 << 1) 414 #define PQ_INIT_VF_RL (1 << 2) 415 416 /* defines for pq init */ 417 #define PQ_INIT_DEFAULT_WRR_GROUP 1 418 #define PQ_INIT_DEFAULT_TC 0 419 420 void qed_hw_info_set_offload_tc(struct qed_hw_info *p_info, u8 tc) 421 { 422 p_info->offload_tc = tc; 423 p_info->offload_tc_set = true; 424 } 425 426 static bool qed_is_offload_tc_set(struct qed_hwfn *p_hwfn) 427 { 428 return p_hwfn->hw_info.offload_tc_set; 429 } 430 431 static u32 qed_get_offload_tc(struct qed_hwfn *p_hwfn) 432 { 433 if (qed_is_offload_tc_set(p_hwfn)) 434 return p_hwfn->hw_info.offload_tc; 435 436 return PQ_INIT_DEFAULT_TC; 437 } 438 439 static void qed_init_qm_pq(struct qed_hwfn *p_hwfn, 440 struct qed_qm_info *qm_info, 441 u8 tc, u32 pq_init_flags) 442 { 443 u16 pq_idx = qm_info->num_pqs, max_pq = qed_init_qm_get_num_pqs(p_hwfn); 444 445 if (pq_idx > max_pq) 446 DP_ERR(p_hwfn, 447 "pq overflow! pq %d, max pq %d\n", pq_idx, max_pq); 448 449 /* init pq params */ 450 qm_info->qm_pq_params[pq_idx].port_id = p_hwfn->port_id; 451 qm_info->qm_pq_params[pq_idx].vport_id = qm_info->start_vport + 452 qm_info->num_vports; 453 qm_info->qm_pq_params[pq_idx].tc_id = tc; 454 qm_info->qm_pq_params[pq_idx].wrr_group = PQ_INIT_DEFAULT_WRR_GROUP; 455 qm_info->qm_pq_params[pq_idx].rl_valid = 456 (pq_init_flags & PQ_INIT_PF_RL || pq_init_flags & PQ_INIT_VF_RL); 457 458 /* qm params accounting */ 459 qm_info->num_pqs++; 460 if (!(pq_init_flags & PQ_INIT_SHARE_VPORT)) 461 qm_info->num_vports++; 462 463 if (pq_init_flags & PQ_INIT_PF_RL) 464 qm_info->num_pf_rls++; 465 466 if (qm_info->num_vports > qed_init_qm_get_num_vports(p_hwfn)) 467 DP_ERR(p_hwfn, 468 "vport overflow! qm_info->num_vports %d, qm_init_get_num_vports() %d\n", 469 qm_info->num_vports, qed_init_qm_get_num_vports(p_hwfn)); 470 471 if (qm_info->num_pf_rls > qed_init_qm_get_num_pf_rls(p_hwfn)) 472 DP_ERR(p_hwfn, 473 "rl overflow! qm_info->num_pf_rls %d, qm_init_get_num_pf_rls() %d\n", 474 qm_info->num_pf_rls, qed_init_qm_get_num_pf_rls(p_hwfn)); 475 } 476 477 /* get pq index according to PQ_FLAGS */ 478 static u16 *qed_init_qm_get_idx_from_flags(struct qed_hwfn *p_hwfn, 479 u32 pq_flags) 480 { 481 struct qed_qm_info *qm_info = &p_hwfn->qm_info; 482 483 /* Can't have multiple flags set here */ 484 if (bitmap_weight((unsigned long *)&pq_flags, sizeof(pq_flags)) > 1) 485 goto err; 486 487 switch (pq_flags) { 488 case PQ_FLAGS_RLS: 489 return &qm_info->first_rl_pq; 490 case PQ_FLAGS_MCOS: 491 return &qm_info->first_mcos_pq; 492 case PQ_FLAGS_LB: 493 return &qm_info->pure_lb_pq; 494 case PQ_FLAGS_OOO: 495 return &qm_info->ooo_pq; 496 case PQ_FLAGS_ACK: 497 return &qm_info->pure_ack_pq; 498 case PQ_FLAGS_OFLD: 499 return &qm_info->first_ofld_pq; 500 case PQ_FLAGS_LLT: 501 return &qm_info->first_llt_pq; 502 case PQ_FLAGS_VFS: 503 return &qm_info->first_vf_pq; 504 default: 505 goto err; 506 } 507 508 err: 509 DP_ERR(p_hwfn, "BAD pq flags %d\n", pq_flags); 510 return NULL; 511 } 512 513 /* save pq index in qm info */ 514 static void qed_init_qm_set_idx(struct qed_hwfn *p_hwfn, 515 u32 pq_flags, u16 pq_val) 516 { 517 u16 *base_pq_idx = qed_init_qm_get_idx_from_flags(p_hwfn, pq_flags); 518 519 *base_pq_idx = p_hwfn->qm_info.start_pq + pq_val; 520 } 521 522 /* get tx pq index, with the PQ TX base already set (ready for context init) */ 523 u16 qed_get_cm_pq_idx(struct qed_hwfn *p_hwfn, u32 pq_flags) 524 { 525 u16 *base_pq_idx = qed_init_qm_get_idx_from_flags(p_hwfn, pq_flags); 526 527 return *base_pq_idx + CM_TX_PQ_BASE; 528 } 529 530 u16 qed_get_cm_pq_idx_mcos(struct qed_hwfn *p_hwfn, u8 tc) 531 { 532 u8 max_tc = qed_init_qm_get_num_tcs(p_hwfn); 533 534 if (tc > max_tc) 535 DP_ERR(p_hwfn, "tc %d must be smaller than %d\n", tc, max_tc); 536 537 return qed_get_cm_pq_idx(p_hwfn, PQ_FLAGS_MCOS) + tc; 538 } 539 540 u16 qed_get_cm_pq_idx_vf(struct qed_hwfn *p_hwfn, u16 vf) 541 { 542 u16 max_vf = qed_init_qm_get_num_vfs(p_hwfn); 543 544 if (vf > max_vf) 545 DP_ERR(p_hwfn, "vf %d must be smaller than %d\n", vf, max_vf); 546 547 return qed_get_cm_pq_idx(p_hwfn, PQ_FLAGS_VFS) + vf; 548 } 549 550 u16 qed_get_cm_pq_idx_ofld_mtc(struct qed_hwfn *p_hwfn, u8 tc) 551 { 552 u16 first_ofld_pq, pq_offset; 553 554 first_ofld_pq = qed_get_cm_pq_idx(p_hwfn, PQ_FLAGS_OFLD); 555 pq_offset = (tc < qed_init_qm_get_num_mtc_tcs(p_hwfn)) ? 556 tc : PQ_INIT_DEFAULT_TC; 557 558 return first_ofld_pq + pq_offset; 559 } 560 561 u16 qed_get_cm_pq_idx_llt_mtc(struct qed_hwfn *p_hwfn, u8 tc) 562 { 563 u16 first_llt_pq, pq_offset; 564 565 first_llt_pq = qed_get_cm_pq_idx(p_hwfn, PQ_FLAGS_LLT); 566 pq_offset = (tc < qed_init_qm_get_num_mtc_tcs(p_hwfn)) ? 567 tc : PQ_INIT_DEFAULT_TC; 568 569 return first_llt_pq + pq_offset; 570 } 571 572 /* Functions for creating specific types of pqs */ 573 static void qed_init_qm_lb_pq(struct qed_hwfn *p_hwfn) 574 { 575 struct qed_qm_info *qm_info = &p_hwfn->qm_info; 576 577 if (!(qed_get_pq_flags(p_hwfn) & PQ_FLAGS_LB)) 578 return; 579 580 qed_init_qm_set_idx(p_hwfn, PQ_FLAGS_LB, qm_info->num_pqs); 581 qed_init_qm_pq(p_hwfn, qm_info, PURE_LB_TC, PQ_INIT_SHARE_VPORT); 582 } 583 584 static void qed_init_qm_ooo_pq(struct qed_hwfn *p_hwfn) 585 { 586 struct qed_qm_info *qm_info = &p_hwfn->qm_info; 587 588 if (!(qed_get_pq_flags(p_hwfn) & PQ_FLAGS_OOO)) 589 return; 590 591 qed_init_qm_set_idx(p_hwfn, PQ_FLAGS_OOO, qm_info->num_pqs); 592 qed_init_qm_pq(p_hwfn, qm_info, qm_info->ooo_tc, PQ_INIT_SHARE_VPORT); 593 } 594 595 static void qed_init_qm_pure_ack_pq(struct qed_hwfn *p_hwfn) 596 { 597 struct qed_qm_info *qm_info = &p_hwfn->qm_info; 598 599 if (!(qed_get_pq_flags(p_hwfn) & PQ_FLAGS_ACK)) 600 return; 601 602 qed_init_qm_set_idx(p_hwfn, PQ_FLAGS_ACK, qm_info->num_pqs); 603 qed_init_qm_pq(p_hwfn, qm_info, qed_get_offload_tc(p_hwfn), 604 PQ_INIT_SHARE_VPORT); 605 } 606 607 static void qed_init_qm_mtc_pqs(struct qed_hwfn *p_hwfn) 608 { 609 u8 num_tcs = qed_init_qm_get_num_mtc_tcs(p_hwfn); 610 struct qed_qm_info *qm_info = &p_hwfn->qm_info; 611 u8 tc; 612 613 /* override pq's TC if offload TC is set */ 614 for (tc = 0; tc < num_tcs; tc++) 615 qed_init_qm_pq(p_hwfn, qm_info, 616 qed_is_offload_tc_set(p_hwfn) ? 617 p_hwfn->hw_info.offload_tc : tc, 618 PQ_INIT_SHARE_VPORT); 619 } 620 621 static void qed_init_qm_offload_pq(struct qed_hwfn *p_hwfn) 622 { 623 struct qed_qm_info *qm_info = &p_hwfn->qm_info; 624 625 if (!(qed_get_pq_flags(p_hwfn) & PQ_FLAGS_OFLD)) 626 return; 627 628 qed_init_qm_set_idx(p_hwfn, PQ_FLAGS_OFLD, qm_info->num_pqs); 629 qed_init_qm_mtc_pqs(p_hwfn); 630 } 631 632 static void qed_init_qm_low_latency_pq(struct qed_hwfn *p_hwfn) 633 { 634 struct qed_qm_info *qm_info = &p_hwfn->qm_info; 635 636 if (!(qed_get_pq_flags(p_hwfn) & PQ_FLAGS_LLT)) 637 return; 638 639 qed_init_qm_set_idx(p_hwfn, PQ_FLAGS_LLT, qm_info->num_pqs); 640 qed_init_qm_mtc_pqs(p_hwfn); 641 } 642 643 static void qed_init_qm_mcos_pqs(struct qed_hwfn *p_hwfn) 644 { 645 struct qed_qm_info *qm_info = &p_hwfn->qm_info; 646 u8 tc_idx; 647 648 if (!(qed_get_pq_flags(p_hwfn) & PQ_FLAGS_MCOS)) 649 return; 650 651 qed_init_qm_set_idx(p_hwfn, PQ_FLAGS_MCOS, qm_info->num_pqs); 652 for (tc_idx = 0; tc_idx < qed_init_qm_get_num_tcs(p_hwfn); tc_idx++) 653 qed_init_qm_pq(p_hwfn, qm_info, tc_idx, PQ_INIT_SHARE_VPORT); 654 } 655 656 static void qed_init_qm_vf_pqs(struct qed_hwfn *p_hwfn) 657 { 658 struct qed_qm_info *qm_info = &p_hwfn->qm_info; 659 u16 vf_idx, num_vfs = qed_init_qm_get_num_vfs(p_hwfn); 660 661 if (!(qed_get_pq_flags(p_hwfn) & PQ_FLAGS_VFS)) 662 return; 663 664 qed_init_qm_set_idx(p_hwfn, PQ_FLAGS_VFS, qm_info->num_pqs); 665 qm_info->num_vf_pqs = num_vfs; 666 for (vf_idx = 0; vf_idx < num_vfs; vf_idx++) 667 qed_init_qm_pq(p_hwfn, 668 qm_info, PQ_INIT_DEFAULT_TC, PQ_INIT_VF_RL); 669 } 670 671 static void qed_init_qm_rl_pqs(struct qed_hwfn *p_hwfn) 672 { 673 u16 pf_rls_idx, num_pf_rls = qed_init_qm_get_num_pf_rls(p_hwfn); 674 struct qed_qm_info *qm_info = &p_hwfn->qm_info; 675 676 if (!(qed_get_pq_flags(p_hwfn) & PQ_FLAGS_RLS)) 677 return; 678 679 qed_init_qm_set_idx(p_hwfn, PQ_FLAGS_RLS, qm_info->num_pqs); 680 for (pf_rls_idx = 0; pf_rls_idx < num_pf_rls; pf_rls_idx++) 681 qed_init_qm_pq(p_hwfn, qm_info, qed_get_offload_tc(p_hwfn), 682 PQ_INIT_PF_RL); 683 } 684 685 static void qed_init_qm_pq_params(struct qed_hwfn *p_hwfn) 686 { 687 /* rate limited pqs, must come first (FW assumption) */ 688 qed_init_qm_rl_pqs(p_hwfn); 689 690 /* pqs for multi cos */ 691 qed_init_qm_mcos_pqs(p_hwfn); 692 693 /* pure loopback pq */ 694 qed_init_qm_lb_pq(p_hwfn); 695 696 /* out of order pq */ 697 qed_init_qm_ooo_pq(p_hwfn); 698 699 /* pure ack pq */ 700 qed_init_qm_pure_ack_pq(p_hwfn); 701 702 /* pq for offloaded protocol */ 703 qed_init_qm_offload_pq(p_hwfn); 704 705 /* low latency pq */ 706 qed_init_qm_low_latency_pq(p_hwfn); 707 708 /* done sharing vports */ 709 qed_init_qm_advance_vport(p_hwfn); 710 711 /* pqs for vfs */ 712 qed_init_qm_vf_pqs(p_hwfn); 713 } 714 715 /* compare values of getters against resources amounts */ 716 static int qed_init_qm_sanity(struct qed_hwfn *p_hwfn) 717 { 718 if (qed_init_qm_get_num_vports(p_hwfn) > RESC_NUM(p_hwfn, QED_VPORT)) { 719 DP_ERR(p_hwfn, "requested amount of vports exceeds resource\n"); 720 return -EINVAL; 721 } 722 723 if (qed_init_qm_get_num_pqs(p_hwfn) <= RESC_NUM(p_hwfn, QED_PQ)) 724 return 0; 725 726 if (QED_IS_ROCE_PERSONALITY(p_hwfn)) { 727 p_hwfn->hw_info.multi_tc_roce_en = 0; 728 DP_NOTICE(p_hwfn, 729 "multi-tc roce was disabled to reduce requested amount of pqs\n"); 730 if (qed_init_qm_get_num_pqs(p_hwfn) <= RESC_NUM(p_hwfn, QED_PQ)) 731 return 0; 732 } 733 734 DP_ERR(p_hwfn, "requested amount of pqs exceeds resource\n"); 735 return -EINVAL; 736 } 737 738 static void qed_dp_init_qm_params(struct qed_hwfn *p_hwfn) 739 { 740 struct qed_qm_info *qm_info = &p_hwfn->qm_info; 741 struct init_qm_vport_params *vport; 742 struct init_qm_port_params *port; 743 struct init_qm_pq_params *pq; 744 int i, tc; 745 746 /* top level params */ 747 DP_VERBOSE(p_hwfn, 748 NETIF_MSG_HW, 749 "qm init top level params: start_pq %d, start_vport %d, pure_lb_pq %d, offload_pq %d, llt_pq %d, pure_ack_pq %d\n", 750 qm_info->start_pq, 751 qm_info->start_vport, 752 qm_info->pure_lb_pq, 753 qm_info->first_ofld_pq, 754 qm_info->first_llt_pq, 755 qm_info->pure_ack_pq); 756 DP_VERBOSE(p_hwfn, 757 NETIF_MSG_HW, 758 "ooo_pq %d, first_vf_pq %d, num_pqs %d, num_vf_pqs %d, num_vports %d, max_phys_tcs_per_port %d\n", 759 qm_info->ooo_pq, 760 qm_info->first_vf_pq, 761 qm_info->num_pqs, 762 qm_info->num_vf_pqs, 763 qm_info->num_vports, qm_info->max_phys_tcs_per_port); 764 DP_VERBOSE(p_hwfn, 765 NETIF_MSG_HW, 766 "pf_rl_en %d, pf_wfq_en %d, vport_rl_en %d, vport_wfq_en %d, pf_wfq %d, pf_rl %d, num_pf_rls %d, pq_flags %x\n", 767 qm_info->pf_rl_en, 768 qm_info->pf_wfq_en, 769 qm_info->vport_rl_en, 770 qm_info->vport_wfq_en, 771 qm_info->pf_wfq, 772 qm_info->pf_rl, 773 qm_info->num_pf_rls, qed_get_pq_flags(p_hwfn)); 774 775 /* port table */ 776 for (i = 0; i < p_hwfn->cdev->num_ports_in_engine; i++) { 777 port = &(qm_info->qm_port_params[i]); 778 DP_VERBOSE(p_hwfn, 779 NETIF_MSG_HW, 780 "port idx %d, active %d, active_phys_tcs %d, num_pbf_cmd_lines %d, num_btb_blocks %d, reserved %d\n", 781 i, 782 port->active, 783 port->active_phys_tcs, 784 port->num_pbf_cmd_lines, 785 port->num_btb_blocks, port->reserved); 786 } 787 788 /* vport table */ 789 for (i = 0; i < qm_info->num_vports; i++) { 790 vport = &(qm_info->qm_vport_params[i]); 791 DP_VERBOSE(p_hwfn, 792 NETIF_MSG_HW, 793 "vport idx %d, vport_rl %d, wfq %d, first_tx_pq_id [ ", 794 qm_info->start_vport + i, 795 vport->vport_rl, vport->vport_wfq); 796 for (tc = 0; tc < NUM_OF_TCS; tc++) 797 DP_VERBOSE(p_hwfn, 798 NETIF_MSG_HW, 799 "%d ", vport->first_tx_pq_id[tc]); 800 DP_VERBOSE(p_hwfn, NETIF_MSG_HW, "]\n"); 801 } 802 803 /* pq table */ 804 for (i = 0; i < qm_info->num_pqs; i++) { 805 pq = &(qm_info->qm_pq_params[i]); 806 DP_VERBOSE(p_hwfn, 807 NETIF_MSG_HW, 808 "pq idx %d, port %d, vport_id %d, tc %d, wrr_grp %d, rl_valid %d\n", 809 qm_info->start_pq + i, 810 pq->port_id, 811 pq->vport_id, 812 pq->tc_id, pq->wrr_group, pq->rl_valid); 813 } 814 } 815 816 static void qed_init_qm_info(struct qed_hwfn *p_hwfn) 817 { 818 /* reset params required for init run */ 819 qed_init_qm_reset_params(p_hwfn); 820 821 /* init QM top level params */ 822 qed_init_qm_params(p_hwfn); 823 824 /* init QM port params */ 825 qed_init_qm_port_params(p_hwfn); 826 827 /* init QM vport params */ 828 qed_init_qm_vport_params(p_hwfn); 829 830 /* init QM physical queue params */ 831 qed_init_qm_pq_params(p_hwfn); 832 833 /* display all that init */ 834 qed_dp_init_qm_params(p_hwfn); 835 } 836 837 /* This function reconfigures the QM pf on the fly. 838 * For this purpose we: 839 * 1. reconfigure the QM database 840 * 2. set new values to runtime array 841 * 3. send an sdm_qm_cmd through the rbc interface to stop the QM 842 * 4. activate init tool in QM_PF stage 843 * 5. send an sdm_qm_cmd through rbc interface to release the QM 844 */ 845 int qed_qm_reconf(struct qed_hwfn *p_hwfn, struct qed_ptt *p_ptt) 846 { 847 struct qed_qm_info *qm_info = &p_hwfn->qm_info; 848 bool b_rc; 849 int rc; 850 851 /* initialize qed's qm data structure */ 852 qed_init_qm_info(p_hwfn); 853 854 /* stop PF's qm queues */ 855 spin_lock_bh(&qm_lock); 856 b_rc = qed_send_qm_stop_cmd(p_hwfn, p_ptt, false, true, 857 qm_info->start_pq, qm_info->num_pqs); 858 spin_unlock_bh(&qm_lock); 859 if (!b_rc) 860 return -EINVAL; 861 862 /* clear the QM_PF runtime phase leftovers from previous init */ 863 qed_init_clear_rt_data(p_hwfn); 864 865 /* prepare QM portion of runtime array */ 866 qed_qm_init_pf(p_hwfn, p_ptt, false); 867 868 /* activate init tool on runtime array */ 869 rc = qed_init_run(p_hwfn, p_ptt, PHASE_QM_PF, p_hwfn->rel_pf_id, 870 p_hwfn->hw_info.hw_mode); 871 if (rc) 872 return rc; 873 874 /* start PF's qm queues */ 875 spin_lock_bh(&qm_lock); 876 b_rc = qed_send_qm_stop_cmd(p_hwfn, p_ptt, true, true, 877 qm_info->start_pq, qm_info->num_pqs); 878 spin_unlock_bh(&qm_lock); 879 if (!b_rc) 880 return -EINVAL; 881 882 return 0; 883 } 884 885 static int qed_alloc_qm_data(struct qed_hwfn *p_hwfn) 886 { 887 struct qed_qm_info *qm_info = &p_hwfn->qm_info; 888 int rc; 889 890 rc = qed_init_qm_sanity(p_hwfn); 891 if (rc) 892 goto alloc_err; 893 894 qm_info->qm_pq_params = kcalloc(qed_init_qm_get_num_pqs(p_hwfn), 895 sizeof(*qm_info->qm_pq_params), 896 GFP_KERNEL); 897 if (!qm_info->qm_pq_params) 898 goto alloc_err; 899 900 qm_info->qm_vport_params = kcalloc(qed_init_qm_get_num_vports(p_hwfn), 901 sizeof(*qm_info->qm_vport_params), 902 GFP_KERNEL); 903 if (!qm_info->qm_vport_params) 904 goto alloc_err; 905 906 qm_info->qm_port_params = kcalloc(p_hwfn->cdev->num_ports_in_engine, 907 sizeof(*qm_info->qm_port_params), 908 GFP_KERNEL); 909 if (!qm_info->qm_port_params) 910 goto alloc_err; 911 912 qm_info->wfq_data = kcalloc(qed_init_qm_get_num_vports(p_hwfn), 913 sizeof(*qm_info->wfq_data), 914 GFP_KERNEL); 915 if (!qm_info->wfq_data) 916 goto alloc_err; 917 918 return 0; 919 920 alloc_err: 921 DP_NOTICE(p_hwfn, "Failed to allocate memory for QM params\n"); 922 qed_qm_info_free(p_hwfn); 923 return -ENOMEM; 924 } 925 926 int qed_resc_alloc(struct qed_dev *cdev) 927 { 928 u32 rdma_tasks, excess_tasks; 929 u32 line_count; 930 int i, rc = 0; 931 932 if (IS_VF(cdev)) { 933 for_each_hwfn(cdev, i) { 934 rc = qed_l2_alloc(&cdev->hwfns[i]); 935 if (rc) 936 return rc; 937 } 938 return rc; 939 } 940 941 cdev->fw_data = kzalloc(sizeof(*cdev->fw_data), GFP_KERNEL); 942 if (!cdev->fw_data) 943 return -ENOMEM; 944 945 for_each_hwfn(cdev, i) { 946 struct qed_hwfn *p_hwfn = &cdev->hwfns[i]; 947 u32 n_eqes, num_cons; 948 949 /* First allocate the context manager structure */ 950 rc = qed_cxt_mngr_alloc(p_hwfn); 951 if (rc) 952 goto alloc_err; 953 954 /* Set the HW cid/tid numbers (in the contest manager) 955 * Must be done prior to any further computations. 956 */ 957 rc = qed_cxt_set_pf_params(p_hwfn, RDMA_MAX_TIDS); 958 if (rc) 959 goto alloc_err; 960 961 rc = qed_alloc_qm_data(p_hwfn); 962 if (rc) 963 goto alloc_err; 964 965 /* init qm info */ 966 qed_init_qm_info(p_hwfn); 967 968 /* Compute the ILT client partition */ 969 rc = qed_cxt_cfg_ilt_compute(p_hwfn, &line_count); 970 if (rc) { 971 DP_NOTICE(p_hwfn, 972 "too many ILT lines; re-computing with less lines\n"); 973 /* In case there are not enough ILT lines we reduce the 974 * number of RDMA tasks and re-compute. 975 */ 976 excess_tasks = 977 qed_cxt_cfg_ilt_compute_excess(p_hwfn, line_count); 978 if (!excess_tasks) 979 goto alloc_err; 980 981 rdma_tasks = RDMA_MAX_TIDS - excess_tasks; 982 rc = qed_cxt_set_pf_params(p_hwfn, rdma_tasks); 983 if (rc) 984 goto alloc_err; 985 986 rc = qed_cxt_cfg_ilt_compute(p_hwfn, &line_count); 987 if (rc) { 988 DP_ERR(p_hwfn, 989 "failed ILT compute. Requested too many lines: %u\n", 990 line_count); 991 992 goto alloc_err; 993 } 994 } 995 996 /* CID map / ILT shadow table / T2 997 * The talbes sizes are determined by the computations above 998 */ 999 rc = qed_cxt_tables_alloc(p_hwfn); 1000 if (rc) 1001 goto alloc_err; 1002 1003 /* SPQ, must follow ILT because initializes SPQ context */ 1004 rc = qed_spq_alloc(p_hwfn); 1005 if (rc) 1006 goto alloc_err; 1007 1008 /* SP status block allocation */ 1009 p_hwfn->p_dpc_ptt = qed_get_reserved_ptt(p_hwfn, 1010 RESERVED_PTT_DPC); 1011 1012 rc = qed_int_alloc(p_hwfn, p_hwfn->p_main_ptt); 1013 if (rc) 1014 goto alloc_err; 1015 1016 rc = qed_iov_alloc(p_hwfn); 1017 if (rc) 1018 goto alloc_err; 1019 1020 /* EQ */ 1021 n_eqes = qed_chain_get_capacity(&p_hwfn->p_spq->chain); 1022 if (QED_IS_RDMA_PERSONALITY(p_hwfn)) { 1023 enum protocol_type rdma_proto; 1024 1025 if (QED_IS_ROCE_PERSONALITY(p_hwfn)) 1026 rdma_proto = PROTOCOLID_ROCE; 1027 else 1028 rdma_proto = PROTOCOLID_IWARP; 1029 1030 num_cons = qed_cxt_get_proto_cid_count(p_hwfn, 1031 rdma_proto, 1032 NULL) * 2; 1033 n_eqes += num_cons + 2 * MAX_NUM_VFS_BB; 1034 } else if (p_hwfn->hw_info.personality == QED_PCI_ISCSI) { 1035 num_cons = 1036 qed_cxt_get_proto_cid_count(p_hwfn, 1037 PROTOCOLID_ISCSI, 1038 NULL); 1039 n_eqes += 2 * num_cons; 1040 } 1041 1042 if (n_eqes > 0xFFFF) { 1043 DP_ERR(p_hwfn, 1044 "Cannot allocate 0x%x EQ elements. The maximum of a u16 chain is 0x%x\n", 1045 n_eqes, 0xFFFF); 1046 goto alloc_no_mem; 1047 } 1048 1049 rc = qed_eq_alloc(p_hwfn, (u16) n_eqes); 1050 if (rc) 1051 goto alloc_err; 1052 1053 rc = qed_consq_alloc(p_hwfn); 1054 if (rc) 1055 goto alloc_err; 1056 1057 rc = qed_l2_alloc(p_hwfn); 1058 if (rc) 1059 goto alloc_err; 1060 1061 #ifdef CONFIG_QED_LL2 1062 if (p_hwfn->using_ll2) { 1063 rc = qed_ll2_alloc(p_hwfn); 1064 if (rc) 1065 goto alloc_err; 1066 } 1067 #endif 1068 1069 if (p_hwfn->hw_info.personality == QED_PCI_FCOE) { 1070 rc = qed_fcoe_alloc(p_hwfn); 1071 if (rc) 1072 goto alloc_err; 1073 } 1074 1075 if (p_hwfn->hw_info.personality == QED_PCI_ISCSI) { 1076 rc = qed_iscsi_alloc(p_hwfn); 1077 if (rc) 1078 goto alloc_err; 1079 rc = qed_ooo_alloc(p_hwfn); 1080 if (rc) 1081 goto alloc_err; 1082 } 1083 1084 /* DMA info initialization */ 1085 rc = qed_dmae_info_alloc(p_hwfn); 1086 if (rc) 1087 goto alloc_err; 1088 1089 /* DCBX initialization */ 1090 rc = qed_dcbx_info_alloc(p_hwfn); 1091 if (rc) 1092 goto alloc_err; 1093 1094 rc = qed_dbg_alloc_user_data(p_hwfn); 1095 if (rc) 1096 goto alloc_err; 1097 } 1098 1099 cdev->reset_stats = kzalloc(sizeof(*cdev->reset_stats), GFP_KERNEL); 1100 if (!cdev->reset_stats) 1101 goto alloc_no_mem; 1102 1103 return 0; 1104 1105 alloc_no_mem: 1106 rc = -ENOMEM; 1107 alloc_err: 1108 qed_resc_free(cdev); 1109 return rc; 1110 } 1111 1112 void qed_resc_setup(struct qed_dev *cdev) 1113 { 1114 int i; 1115 1116 if (IS_VF(cdev)) { 1117 for_each_hwfn(cdev, i) 1118 qed_l2_setup(&cdev->hwfns[i]); 1119 return; 1120 } 1121 1122 for_each_hwfn(cdev, i) { 1123 struct qed_hwfn *p_hwfn = &cdev->hwfns[i]; 1124 1125 qed_cxt_mngr_setup(p_hwfn); 1126 qed_spq_setup(p_hwfn); 1127 qed_eq_setup(p_hwfn); 1128 qed_consq_setup(p_hwfn); 1129 1130 /* Read shadow of current MFW mailbox */ 1131 qed_mcp_read_mb(p_hwfn, p_hwfn->p_main_ptt); 1132 memcpy(p_hwfn->mcp_info->mfw_mb_shadow, 1133 p_hwfn->mcp_info->mfw_mb_cur, 1134 p_hwfn->mcp_info->mfw_mb_length); 1135 1136 qed_int_setup(p_hwfn, p_hwfn->p_main_ptt); 1137 1138 qed_l2_setup(p_hwfn); 1139 qed_iov_setup(p_hwfn); 1140 #ifdef CONFIG_QED_LL2 1141 if (p_hwfn->using_ll2) 1142 qed_ll2_setup(p_hwfn); 1143 #endif 1144 if (p_hwfn->hw_info.personality == QED_PCI_FCOE) 1145 qed_fcoe_setup(p_hwfn); 1146 1147 if (p_hwfn->hw_info.personality == QED_PCI_ISCSI) { 1148 qed_iscsi_setup(p_hwfn); 1149 qed_ooo_setup(p_hwfn); 1150 } 1151 } 1152 } 1153 1154 #define FINAL_CLEANUP_POLL_CNT (100) 1155 #define FINAL_CLEANUP_POLL_TIME (10) 1156 int qed_final_cleanup(struct qed_hwfn *p_hwfn, 1157 struct qed_ptt *p_ptt, u16 id, bool is_vf) 1158 { 1159 u32 command = 0, addr, count = FINAL_CLEANUP_POLL_CNT; 1160 int rc = -EBUSY; 1161 1162 addr = GTT_BAR0_MAP_REG_USDM_RAM + 1163 USTORM_FLR_FINAL_ACK_OFFSET(p_hwfn->rel_pf_id); 1164 1165 if (is_vf) 1166 id += 0x10; 1167 1168 command |= X_FINAL_CLEANUP_AGG_INT << 1169 SDM_AGG_INT_COMP_PARAMS_AGG_INT_INDEX_SHIFT; 1170 command |= 1 << SDM_AGG_INT_COMP_PARAMS_AGG_VECTOR_ENABLE_SHIFT; 1171 command |= id << SDM_AGG_INT_COMP_PARAMS_AGG_VECTOR_BIT_SHIFT; 1172 command |= SDM_COMP_TYPE_AGG_INT << SDM_OP_GEN_COMP_TYPE_SHIFT; 1173 1174 /* Make sure notification is not set before initiating final cleanup */ 1175 if (REG_RD(p_hwfn, addr)) { 1176 DP_NOTICE(p_hwfn, 1177 "Unexpected; Found final cleanup notification before initiating final cleanup\n"); 1178 REG_WR(p_hwfn, addr, 0); 1179 } 1180 1181 DP_VERBOSE(p_hwfn, QED_MSG_IOV, 1182 "Sending final cleanup for PFVF[%d] [Command %08x]\n", 1183 id, command); 1184 1185 qed_wr(p_hwfn, p_ptt, XSDM_REG_OPERATION_GEN, command); 1186 1187 /* Poll until completion */ 1188 while (!REG_RD(p_hwfn, addr) && count--) 1189 msleep(FINAL_CLEANUP_POLL_TIME); 1190 1191 if (REG_RD(p_hwfn, addr)) 1192 rc = 0; 1193 else 1194 DP_NOTICE(p_hwfn, 1195 "Failed to receive FW final cleanup notification\n"); 1196 1197 /* Cleanup afterwards */ 1198 REG_WR(p_hwfn, addr, 0); 1199 1200 return rc; 1201 } 1202 1203 static int qed_calc_hw_mode(struct qed_hwfn *p_hwfn) 1204 { 1205 int hw_mode = 0; 1206 1207 if (QED_IS_BB_B0(p_hwfn->cdev)) { 1208 hw_mode |= 1 << MODE_BB; 1209 } else if (QED_IS_AH(p_hwfn->cdev)) { 1210 hw_mode |= 1 << MODE_K2; 1211 } else { 1212 DP_NOTICE(p_hwfn, "Unknown chip type %#x\n", 1213 p_hwfn->cdev->type); 1214 return -EINVAL; 1215 } 1216 1217 switch (p_hwfn->cdev->num_ports_in_engine) { 1218 case 1: 1219 hw_mode |= 1 << MODE_PORTS_PER_ENG_1; 1220 break; 1221 case 2: 1222 hw_mode |= 1 << MODE_PORTS_PER_ENG_2; 1223 break; 1224 case 4: 1225 hw_mode |= 1 << MODE_PORTS_PER_ENG_4; 1226 break; 1227 default: 1228 DP_NOTICE(p_hwfn, "num_ports_in_engine = %d not supported\n", 1229 p_hwfn->cdev->num_ports_in_engine); 1230 return -EINVAL; 1231 } 1232 1233 if (test_bit(QED_MF_OVLAN_CLSS, &p_hwfn->cdev->mf_bits)) 1234 hw_mode |= 1 << MODE_MF_SD; 1235 else 1236 hw_mode |= 1 << MODE_MF_SI; 1237 1238 hw_mode |= 1 << MODE_ASIC; 1239 1240 if (p_hwfn->cdev->num_hwfns > 1) 1241 hw_mode |= 1 << MODE_100G; 1242 1243 p_hwfn->hw_info.hw_mode = hw_mode; 1244 1245 DP_VERBOSE(p_hwfn, (NETIF_MSG_PROBE | NETIF_MSG_IFUP), 1246 "Configuring function for hw_mode: 0x%08x\n", 1247 p_hwfn->hw_info.hw_mode); 1248 1249 return 0; 1250 } 1251 1252 /* Init run time data for all PFs on an engine. */ 1253 static void qed_init_cau_rt_data(struct qed_dev *cdev) 1254 { 1255 u32 offset = CAU_REG_SB_VAR_MEMORY_RT_OFFSET; 1256 int i, igu_sb_id; 1257 1258 for_each_hwfn(cdev, i) { 1259 struct qed_hwfn *p_hwfn = &cdev->hwfns[i]; 1260 struct qed_igu_info *p_igu_info; 1261 struct qed_igu_block *p_block; 1262 struct cau_sb_entry sb_entry; 1263 1264 p_igu_info = p_hwfn->hw_info.p_igu_info; 1265 1266 for (igu_sb_id = 0; 1267 igu_sb_id < QED_MAPPING_MEMORY_SIZE(cdev); igu_sb_id++) { 1268 p_block = &p_igu_info->entry[igu_sb_id]; 1269 1270 if (!p_block->is_pf) 1271 continue; 1272 1273 qed_init_cau_sb_entry(p_hwfn, &sb_entry, 1274 p_block->function_id, 0, 0); 1275 STORE_RT_REG_AGG(p_hwfn, offset + igu_sb_id * 2, 1276 sb_entry); 1277 } 1278 } 1279 } 1280 1281 static void qed_init_cache_line_size(struct qed_hwfn *p_hwfn, 1282 struct qed_ptt *p_ptt) 1283 { 1284 u32 val, wr_mbs, cache_line_size; 1285 1286 val = qed_rd(p_hwfn, p_ptt, PSWRQ2_REG_WR_MBS0); 1287 switch (val) { 1288 case 0: 1289 wr_mbs = 128; 1290 break; 1291 case 1: 1292 wr_mbs = 256; 1293 break; 1294 case 2: 1295 wr_mbs = 512; 1296 break; 1297 default: 1298 DP_INFO(p_hwfn, 1299 "Unexpected value of PSWRQ2_REG_WR_MBS0 [0x%x]. Avoid configuring PGLUE_B_REG_CACHE_LINE_SIZE.\n", 1300 val); 1301 return; 1302 } 1303 1304 cache_line_size = min_t(u32, L1_CACHE_BYTES, wr_mbs); 1305 switch (cache_line_size) { 1306 case 32: 1307 val = 0; 1308 break; 1309 case 64: 1310 val = 1; 1311 break; 1312 case 128: 1313 val = 2; 1314 break; 1315 case 256: 1316 val = 3; 1317 break; 1318 default: 1319 DP_INFO(p_hwfn, 1320 "Unexpected value of cache line size [0x%x]. Avoid configuring PGLUE_B_REG_CACHE_LINE_SIZE.\n", 1321 cache_line_size); 1322 } 1323 1324 if (L1_CACHE_BYTES > wr_mbs) 1325 DP_INFO(p_hwfn, 1326 "The cache line size for padding is suboptimal for performance [OS cache line size 0x%x, wr mbs 0x%x]\n", 1327 L1_CACHE_BYTES, wr_mbs); 1328 1329 STORE_RT_REG(p_hwfn, PGLUE_REG_B_CACHE_LINE_SIZE_RT_OFFSET, val); 1330 if (val > 0) { 1331 STORE_RT_REG(p_hwfn, PSWRQ2_REG_DRAM_ALIGN_WR_RT_OFFSET, val); 1332 STORE_RT_REG(p_hwfn, PSWRQ2_REG_DRAM_ALIGN_RD_RT_OFFSET, val); 1333 } 1334 } 1335 1336 static int qed_hw_init_common(struct qed_hwfn *p_hwfn, 1337 struct qed_ptt *p_ptt, int hw_mode) 1338 { 1339 struct qed_qm_info *qm_info = &p_hwfn->qm_info; 1340 struct qed_qm_common_rt_init_params params; 1341 struct qed_dev *cdev = p_hwfn->cdev; 1342 u8 vf_id, max_num_vfs; 1343 u16 num_pfs, pf_id; 1344 u32 concrete_fid; 1345 int rc = 0; 1346 1347 qed_init_cau_rt_data(cdev); 1348 1349 /* Program GTT windows */ 1350 qed_gtt_init(p_hwfn); 1351 1352 if (p_hwfn->mcp_info) { 1353 if (p_hwfn->mcp_info->func_info.bandwidth_max) 1354 qm_info->pf_rl_en = true; 1355 if (p_hwfn->mcp_info->func_info.bandwidth_min) 1356 qm_info->pf_wfq_en = true; 1357 } 1358 1359 memset(¶ms, 0, sizeof(params)); 1360 params.max_ports_per_engine = p_hwfn->cdev->num_ports_in_engine; 1361 params.max_phys_tcs_per_port = qm_info->max_phys_tcs_per_port; 1362 params.pf_rl_en = qm_info->pf_rl_en; 1363 params.pf_wfq_en = qm_info->pf_wfq_en; 1364 params.vport_rl_en = qm_info->vport_rl_en; 1365 params.vport_wfq_en = qm_info->vport_wfq_en; 1366 params.port_params = qm_info->qm_port_params; 1367 1368 qed_qm_common_rt_init(p_hwfn, ¶ms); 1369 1370 qed_cxt_hw_init_common(p_hwfn); 1371 1372 qed_init_cache_line_size(p_hwfn, p_ptt); 1373 1374 rc = qed_init_run(p_hwfn, p_ptt, PHASE_ENGINE, ANY_PHASE_ID, hw_mode); 1375 if (rc) 1376 return rc; 1377 1378 qed_wr(p_hwfn, p_ptt, PSWRQ2_REG_L2P_VALIDATE_VFID, 0); 1379 qed_wr(p_hwfn, p_ptt, PGLUE_B_REG_USE_CLIENTID_IN_TAG, 1); 1380 1381 if (QED_IS_BB(p_hwfn->cdev)) { 1382 num_pfs = NUM_OF_ENG_PFS(p_hwfn->cdev); 1383 for (pf_id = 0; pf_id < num_pfs; pf_id++) { 1384 qed_fid_pretend(p_hwfn, p_ptt, pf_id); 1385 qed_wr(p_hwfn, p_ptt, PRS_REG_SEARCH_ROCE, 0x0); 1386 qed_wr(p_hwfn, p_ptt, PRS_REG_SEARCH_TCP, 0x0); 1387 } 1388 /* pretend to original PF */ 1389 qed_fid_pretend(p_hwfn, p_ptt, p_hwfn->rel_pf_id); 1390 } 1391 1392 max_num_vfs = QED_IS_AH(cdev) ? MAX_NUM_VFS_K2 : MAX_NUM_VFS_BB; 1393 for (vf_id = 0; vf_id < max_num_vfs; vf_id++) { 1394 concrete_fid = qed_vfid_to_concrete(p_hwfn, vf_id); 1395 qed_fid_pretend(p_hwfn, p_ptt, (u16) concrete_fid); 1396 qed_wr(p_hwfn, p_ptt, CCFC_REG_STRONG_ENABLE_VF, 0x1); 1397 qed_wr(p_hwfn, p_ptt, CCFC_REG_WEAK_ENABLE_VF, 0x0); 1398 qed_wr(p_hwfn, p_ptt, TCFC_REG_STRONG_ENABLE_VF, 0x1); 1399 qed_wr(p_hwfn, p_ptt, TCFC_REG_WEAK_ENABLE_VF, 0x0); 1400 } 1401 /* pretend to original PF */ 1402 qed_fid_pretend(p_hwfn, p_ptt, p_hwfn->rel_pf_id); 1403 1404 return rc; 1405 } 1406 1407 static int 1408 qed_hw_init_dpi_size(struct qed_hwfn *p_hwfn, 1409 struct qed_ptt *p_ptt, u32 pwm_region_size, u32 n_cpus) 1410 { 1411 u32 dpi_bit_shift, dpi_count, dpi_page_size; 1412 u32 min_dpis; 1413 u32 n_wids; 1414 1415 /* Calculate DPI size */ 1416 n_wids = max_t(u32, QED_MIN_WIDS, n_cpus); 1417 dpi_page_size = QED_WID_SIZE * roundup_pow_of_two(n_wids); 1418 dpi_page_size = (dpi_page_size + PAGE_SIZE - 1) & ~(PAGE_SIZE - 1); 1419 dpi_bit_shift = ilog2(dpi_page_size / 4096); 1420 dpi_count = pwm_region_size / dpi_page_size; 1421 1422 min_dpis = p_hwfn->pf_params.rdma_pf_params.min_dpis; 1423 min_dpis = max_t(u32, QED_MIN_DPIS, min_dpis); 1424 1425 p_hwfn->dpi_size = dpi_page_size; 1426 p_hwfn->dpi_count = dpi_count; 1427 1428 qed_wr(p_hwfn, p_ptt, DORQ_REG_PF_DPI_BIT_SHIFT, dpi_bit_shift); 1429 1430 if (dpi_count < min_dpis) 1431 return -EINVAL; 1432 1433 return 0; 1434 } 1435 1436 enum QED_ROCE_EDPM_MODE { 1437 QED_ROCE_EDPM_MODE_ENABLE = 0, 1438 QED_ROCE_EDPM_MODE_FORCE_ON = 1, 1439 QED_ROCE_EDPM_MODE_DISABLE = 2, 1440 }; 1441 1442 static int 1443 qed_hw_init_pf_doorbell_bar(struct qed_hwfn *p_hwfn, struct qed_ptt *p_ptt) 1444 { 1445 u32 pwm_regsize, norm_regsize; 1446 u32 non_pwm_conn, min_addr_reg1; 1447 u32 db_bar_size, n_cpus = 1; 1448 u32 roce_edpm_mode; 1449 u32 pf_dems_shift; 1450 int rc = 0; 1451 u8 cond; 1452 1453 db_bar_size = qed_hw_bar_size(p_hwfn, p_ptt, BAR_ID_1); 1454 if (p_hwfn->cdev->num_hwfns > 1) 1455 db_bar_size /= 2; 1456 1457 /* Calculate doorbell regions */ 1458 non_pwm_conn = qed_cxt_get_proto_cid_start(p_hwfn, PROTOCOLID_CORE) + 1459 qed_cxt_get_proto_cid_count(p_hwfn, PROTOCOLID_CORE, 1460 NULL) + 1461 qed_cxt_get_proto_cid_count(p_hwfn, PROTOCOLID_ETH, 1462 NULL); 1463 norm_regsize = roundup(QED_PF_DEMS_SIZE * non_pwm_conn, PAGE_SIZE); 1464 min_addr_reg1 = norm_regsize / 4096; 1465 pwm_regsize = db_bar_size - norm_regsize; 1466 1467 /* Check that the normal and PWM sizes are valid */ 1468 if (db_bar_size < norm_regsize) { 1469 DP_ERR(p_hwfn->cdev, 1470 "Doorbell BAR size 0x%x is too small (normal region is 0x%0x )\n", 1471 db_bar_size, norm_regsize); 1472 return -EINVAL; 1473 } 1474 1475 if (pwm_regsize < QED_MIN_PWM_REGION) { 1476 DP_ERR(p_hwfn->cdev, 1477 "PWM region size 0x%0x is too small. Should be at least 0x%0x (Doorbell BAR size is 0x%x and normal region size is 0x%0x)\n", 1478 pwm_regsize, 1479 QED_MIN_PWM_REGION, db_bar_size, norm_regsize); 1480 return -EINVAL; 1481 } 1482 1483 /* Calculate number of DPIs */ 1484 roce_edpm_mode = p_hwfn->pf_params.rdma_pf_params.roce_edpm_mode; 1485 if ((roce_edpm_mode == QED_ROCE_EDPM_MODE_ENABLE) || 1486 ((roce_edpm_mode == QED_ROCE_EDPM_MODE_FORCE_ON))) { 1487 /* Either EDPM is mandatory, or we are attempting to allocate a 1488 * WID per CPU. 1489 */ 1490 n_cpus = num_present_cpus(); 1491 rc = qed_hw_init_dpi_size(p_hwfn, p_ptt, pwm_regsize, n_cpus); 1492 } 1493 1494 cond = (rc && (roce_edpm_mode == QED_ROCE_EDPM_MODE_ENABLE)) || 1495 (roce_edpm_mode == QED_ROCE_EDPM_MODE_DISABLE); 1496 if (cond || p_hwfn->dcbx_no_edpm) { 1497 /* Either EDPM is disabled from user configuration, or it is 1498 * disabled via DCBx, or it is not mandatory and we failed to 1499 * allocated a WID per CPU. 1500 */ 1501 n_cpus = 1; 1502 rc = qed_hw_init_dpi_size(p_hwfn, p_ptt, pwm_regsize, n_cpus); 1503 1504 if (cond) 1505 qed_rdma_dpm_bar(p_hwfn, p_ptt); 1506 } 1507 1508 p_hwfn->wid_count = (u16) n_cpus; 1509 1510 DP_INFO(p_hwfn, 1511 "doorbell bar: normal_region_size=%d, pwm_region_size=%d, dpi_size=%d, dpi_count=%d, roce_edpm=%s\n", 1512 norm_regsize, 1513 pwm_regsize, 1514 p_hwfn->dpi_size, 1515 p_hwfn->dpi_count, 1516 ((p_hwfn->dcbx_no_edpm) || (p_hwfn->db_bar_no_edpm)) ? 1517 "disabled" : "enabled"); 1518 1519 if (rc) { 1520 DP_ERR(p_hwfn, 1521 "Failed to allocate enough DPIs. Allocated %d but the current minimum is %d.\n", 1522 p_hwfn->dpi_count, 1523 p_hwfn->pf_params.rdma_pf_params.min_dpis); 1524 return -EINVAL; 1525 } 1526 1527 p_hwfn->dpi_start_offset = norm_regsize; 1528 1529 /* DEMS size is configured log2 of DWORDs, hence the division by 4 */ 1530 pf_dems_shift = ilog2(QED_PF_DEMS_SIZE / 4); 1531 qed_wr(p_hwfn, p_ptt, DORQ_REG_PF_ICID_BIT_SHIFT_NORM, pf_dems_shift); 1532 qed_wr(p_hwfn, p_ptt, DORQ_REG_PF_MIN_ADDR_REG1, min_addr_reg1); 1533 1534 return 0; 1535 } 1536 1537 static int qed_hw_init_port(struct qed_hwfn *p_hwfn, 1538 struct qed_ptt *p_ptt, int hw_mode) 1539 { 1540 int rc = 0; 1541 1542 rc = qed_init_run(p_hwfn, p_ptt, PHASE_PORT, p_hwfn->port_id, hw_mode); 1543 if (rc) 1544 return rc; 1545 1546 qed_wr(p_hwfn, p_ptt, PGLUE_B_REG_MASTER_WRITE_PAD_ENABLE, 0); 1547 1548 return 0; 1549 } 1550 1551 static int qed_hw_init_pf(struct qed_hwfn *p_hwfn, 1552 struct qed_ptt *p_ptt, 1553 struct qed_tunnel_info *p_tunn, 1554 int hw_mode, 1555 bool b_hw_start, 1556 enum qed_int_mode int_mode, 1557 bool allow_npar_tx_switch) 1558 { 1559 u8 rel_pf_id = p_hwfn->rel_pf_id; 1560 int rc = 0; 1561 1562 if (p_hwfn->mcp_info) { 1563 struct qed_mcp_function_info *p_info; 1564 1565 p_info = &p_hwfn->mcp_info->func_info; 1566 if (p_info->bandwidth_min) 1567 p_hwfn->qm_info.pf_wfq = p_info->bandwidth_min; 1568 1569 /* Update rate limit once we'll actually have a link */ 1570 p_hwfn->qm_info.pf_rl = 100000; 1571 } 1572 1573 qed_cxt_hw_init_pf(p_hwfn, p_ptt); 1574 1575 qed_int_igu_init_rt(p_hwfn); 1576 1577 /* Set VLAN in NIG if needed */ 1578 if (hw_mode & BIT(MODE_MF_SD)) { 1579 DP_VERBOSE(p_hwfn, NETIF_MSG_HW, "Configuring LLH_FUNC_TAG\n"); 1580 STORE_RT_REG(p_hwfn, NIG_REG_LLH_FUNC_TAG_EN_RT_OFFSET, 1); 1581 STORE_RT_REG(p_hwfn, NIG_REG_LLH_FUNC_TAG_VALUE_RT_OFFSET, 1582 p_hwfn->hw_info.ovlan); 1583 1584 DP_VERBOSE(p_hwfn, NETIF_MSG_HW, 1585 "Configuring LLH_FUNC_FILTER_HDR_SEL\n"); 1586 STORE_RT_REG(p_hwfn, NIG_REG_LLH_FUNC_FILTER_HDR_SEL_RT_OFFSET, 1587 1); 1588 } 1589 1590 /* Enable classification by MAC if needed */ 1591 if (hw_mode & BIT(MODE_MF_SI)) { 1592 DP_VERBOSE(p_hwfn, NETIF_MSG_HW, 1593 "Configuring TAGMAC_CLS_TYPE\n"); 1594 STORE_RT_REG(p_hwfn, 1595 NIG_REG_LLH_FUNC_TAGMAC_CLS_TYPE_RT_OFFSET, 1); 1596 } 1597 1598 /* Protocol Configuration */ 1599 STORE_RT_REG(p_hwfn, PRS_REG_SEARCH_TCP_RT_OFFSET, 1600 (p_hwfn->hw_info.personality == QED_PCI_ISCSI) ? 1 : 0); 1601 STORE_RT_REG(p_hwfn, PRS_REG_SEARCH_FCOE_RT_OFFSET, 1602 (p_hwfn->hw_info.personality == QED_PCI_FCOE) ? 1 : 0); 1603 STORE_RT_REG(p_hwfn, PRS_REG_SEARCH_ROCE_RT_OFFSET, 0); 1604 1605 /* Cleanup chip from previous driver if such remains exist */ 1606 rc = qed_final_cleanup(p_hwfn, p_ptt, rel_pf_id, false); 1607 if (rc) 1608 return rc; 1609 1610 /* Sanity check before the PF init sequence that uses DMAE */ 1611 rc = qed_dmae_sanity(p_hwfn, p_ptt, "pf_phase"); 1612 if (rc) 1613 return rc; 1614 1615 /* PF Init sequence */ 1616 rc = qed_init_run(p_hwfn, p_ptt, PHASE_PF, rel_pf_id, hw_mode); 1617 if (rc) 1618 return rc; 1619 1620 /* QM_PF Init sequence (may be invoked separately e.g. for DCB) */ 1621 rc = qed_init_run(p_hwfn, p_ptt, PHASE_QM_PF, rel_pf_id, hw_mode); 1622 if (rc) 1623 return rc; 1624 1625 /* Pure runtime initializations - directly to the HW */ 1626 qed_int_igu_init_pure_rt(p_hwfn, p_ptt, true, true); 1627 1628 rc = qed_hw_init_pf_doorbell_bar(p_hwfn, p_ptt); 1629 if (rc) 1630 return rc; 1631 1632 if (b_hw_start) { 1633 /* enable interrupts */ 1634 qed_int_igu_enable(p_hwfn, p_ptt, int_mode); 1635 1636 /* send function start command */ 1637 rc = qed_sp_pf_start(p_hwfn, p_ptt, p_tunn, 1638 allow_npar_tx_switch); 1639 if (rc) { 1640 DP_NOTICE(p_hwfn, "Function start ramrod failed\n"); 1641 return rc; 1642 } 1643 if (p_hwfn->hw_info.personality == QED_PCI_FCOE) { 1644 qed_wr(p_hwfn, p_ptt, PRS_REG_SEARCH_TAG1, BIT(2)); 1645 qed_wr(p_hwfn, p_ptt, 1646 PRS_REG_PKT_LEN_STAT_TAGS_NOT_COUNTED_FIRST, 1647 0x100); 1648 } 1649 } 1650 return rc; 1651 } 1652 1653 static int qed_change_pci_hwfn(struct qed_hwfn *p_hwfn, 1654 struct qed_ptt *p_ptt, 1655 u8 enable) 1656 { 1657 u32 delay_idx = 0, val, set_val = enable ? 1 : 0; 1658 1659 /* Change PF in PXP */ 1660 qed_wr(p_hwfn, p_ptt, 1661 PGLUE_B_REG_INTERNAL_PFID_ENABLE_MASTER, set_val); 1662 1663 /* wait until value is set - try for 1 second every 50us */ 1664 for (delay_idx = 0; delay_idx < 20000; delay_idx++) { 1665 val = qed_rd(p_hwfn, p_ptt, 1666 PGLUE_B_REG_INTERNAL_PFID_ENABLE_MASTER); 1667 if (val == set_val) 1668 break; 1669 1670 usleep_range(50, 60); 1671 } 1672 1673 if (val != set_val) { 1674 DP_NOTICE(p_hwfn, 1675 "PFID_ENABLE_MASTER wasn't changed after a second\n"); 1676 return -EAGAIN; 1677 } 1678 1679 return 0; 1680 } 1681 1682 static void qed_reset_mb_shadow(struct qed_hwfn *p_hwfn, 1683 struct qed_ptt *p_main_ptt) 1684 { 1685 /* Read shadow of current MFW mailbox */ 1686 qed_mcp_read_mb(p_hwfn, p_main_ptt); 1687 memcpy(p_hwfn->mcp_info->mfw_mb_shadow, 1688 p_hwfn->mcp_info->mfw_mb_cur, p_hwfn->mcp_info->mfw_mb_length); 1689 } 1690 1691 static void 1692 qed_fill_load_req_params(struct qed_load_req_params *p_load_req, 1693 struct qed_drv_load_params *p_drv_load) 1694 { 1695 memset(p_load_req, 0, sizeof(*p_load_req)); 1696 1697 p_load_req->drv_role = p_drv_load->is_crash_kernel ? 1698 QED_DRV_ROLE_KDUMP : QED_DRV_ROLE_OS; 1699 p_load_req->timeout_val = p_drv_load->mfw_timeout_val; 1700 p_load_req->avoid_eng_reset = p_drv_load->avoid_eng_reset; 1701 p_load_req->override_force_load = p_drv_load->override_force_load; 1702 } 1703 1704 static int qed_vf_start(struct qed_hwfn *p_hwfn, 1705 struct qed_hw_init_params *p_params) 1706 { 1707 if (p_params->p_tunn) { 1708 qed_vf_set_vf_start_tunn_update_param(p_params->p_tunn); 1709 qed_vf_pf_tunnel_param_update(p_hwfn, p_params->p_tunn); 1710 } 1711 1712 p_hwfn->b_int_enabled = true; 1713 1714 return 0; 1715 } 1716 1717 int qed_hw_init(struct qed_dev *cdev, struct qed_hw_init_params *p_params) 1718 { 1719 struct qed_load_req_params load_req_params; 1720 u32 load_code, resp, param, drv_mb_param; 1721 bool b_default_mtu = true; 1722 struct qed_hwfn *p_hwfn; 1723 int rc = 0, mfw_rc, i; 1724 u16 ether_type; 1725 1726 if ((p_params->int_mode == QED_INT_MODE_MSI) && (cdev->num_hwfns > 1)) { 1727 DP_NOTICE(cdev, "MSI mode is not supported for CMT devices\n"); 1728 return -EINVAL; 1729 } 1730 1731 if (IS_PF(cdev)) { 1732 rc = qed_init_fw_data(cdev, p_params->bin_fw_data); 1733 if (rc) 1734 return rc; 1735 } 1736 1737 for_each_hwfn(cdev, i) { 1738 struct qed_hwfn *p_hwfn = &cdev->hwfns[i]; 1739 1740 /* If management didn't provide a default, set one of our own */ 1741 if (!p_hwfn->hw_info.mtu) { 1742 p_hwfn->hw_info.mtu = 1500; 1743 b_default_mtu = false; 1744 } 1745 1746 if (IS_VF(cdev)) { 1747 qed_vf_start(p_hwfn, p_params); 1748 continue; 1749 } 1750 1751 /* Enable DMAE in PXP */ 1752 rc = qed_change_pci_hwfn(p_hwfn, p_hwfn->p_main_ptt, true); 1753 1754 rc = qed_calc_hw_mode(p_hwfn); 1755 if (rc) 1756 return rc; 1757 1758 if (IS_PF(cdev) && (test_bit(QED_MF_8021Q_TAGGING, 1759 &cdev->mf_bits) || 1760 test_bit(QED_MF_8021AD_TAGGING, 1761 &cdev->mf_bits))) { 1762 if (test_bit(QED_MF_8021Q_TAGGING, &cdev->mf_bits)) 1763 ether_type = ETH_P_8021Q; 1764 else 1765 ether_type = ETH_P_8021AD; 1766 STORE_RT_REG(p_hwfn, PRS_REG_TAG_ETHERTYPE_0_RT_OFFSET, 1767 ether_type); 1768 STORE_RT_REG(p_hwfn, NIG_REG_TAG_ETHERTYPE_0_RT_OFFSET, 1769 ether_type); 1770 STORE_RT_REG(p_hwfn, PBF_REG_TAG_ETHERTYPE_0_RT_OFFSET, 1771 ether_type); 1772 STORE_RT_REG(p_hwfn, DORQ_REG_TAG1_ETHERTYPE_RT_OFFSET, 1773 ether_type); 1774 } 1775 1776 qed_fill_load_req_params(&load_req_params, 1777 p_params->p_drv_load_params); 1778 rc = qed_mcp_load_req(p_hwfn, p_hwfn->p_main_ptt, 1779 &load_req_params); 1780 if (rc) { 1781 DP_NOTICE(p_hwfn, "Failed sending a LOAD_REQ command\n"); 1782 return rc; 1783 } 1784 1785 load_code = load_req_params.load_code; 1786 DP_VERBOSE(p_hwfn, QED_MSG_SP, 1787 "Load request was sent. Load code: 0x%x\n", 1788 load_code); 1789 1790 qed_mcp_set_capabilities(p_hwfn, p_hwfn->p_main_ptt); 1791 1792 qed_reset_mb_shadow(p_hwfn, p_hwfn->p_main_ptt); 1793 1794 p_hwfn->first_on_engine = (load_code == 1795 FW_MSG_CODE_DRV_LOAD_ENGINE); 1796 1797 switch (load_code) { 1798 case FW_MSG_CODE_DRV_LOAD_ENGINE: 1799 rc = qed_hw_init_common(p_hwfn, p_hwfn->p_main_ptt, 1800 p_hwfn->hw_info.hw_mode); 1801 if (rc) 1802 break; 1803 /* Fall through */ 1804 case FW_MSG_CODE_DRV_LOAD_PORT: 1805 rc = qed_hw_init_port(p_hwfn, p_hwfn->p_main_ptt, 1806 p_hwfn->hw_info.hw_mode); 1807 if (rc) 1808 break; 1809 1810 /* Fall through */ 1811 case FW_MSG_CODE_DRV_LOAD_FUNCTION: 1812 rc = qed_hw_init_pf(p_hwfn, p_hwfn->p_main_ptt, 1813 p_params->p_tunn, 1814 p_hwfn->hw_info.hw_mode, 1815 p_params->b_hw_start, 1816 p_params->int_mode, 1817 p_params->allow_npar_tx_switch); 1818 break; 1819 default: 1820 DP_NOTICE(p_hwfn, 1821 "Unexpected load code [0x%08x]", load_code); 1822 rc = -EINVAL; 1823 break; 1824 } 1825 1826 if (rc) 1827 DP_NOTICE(p_hwfn, 1828 "init phase failed for loadcode 0x%x (rc %d)\n", 1829 load_code, rc); 1830 1831 /* ACK mfw regardless of success or failure of initialization */ 1832 mfw_rc = qed_mcp_cmd(p_hwfn, p_hwfn->p_main_ptt, 1833 DRV_MSG_CODE_LOAD_DONE, 1834 0, &load_code, ¶m); 1835 if (rc) 1836 return rc; 1837 if (mfw_rc) { 1838 DP_NOTICE(p_hwfn, "Failed sending LOAD_DONE command\n"); 1839 return mfw_rc; 1840 } 1841 1842 /* Check if there is a DID mismatch between nvm-cfg/efuse */ 1843 if (param & FW_MB_PARAM_LOAD_DONE_DID_EFUSE_ERROR) 1844 DP_NOTICE(p_hwfn, 1845 "warning: device configuration is not supported on this board type. The device may not function as expected.\n"); 1846 1847 /* send DCBX attention request command */ 1848 DP_VERBOSE(p_hwfn, 1849 QED_MSG_DCB, 1850 "sending phony dcbx set command to trigger DCBx attention handling\n"); 1851 mfw_rc = qed_mcp_cmd(p_hwfn, p_hwfn->p_main_ptt, 1852 DRV_MSG_CODE_SET_DCBX, 1853 1 << DRV_MB_PARAM_DCBX_NOTIFY_SHIFT, 1854 &load_code, ¶m); 1855 if (mfw_rc) { 1856 DP_NOTICE(p_hwfn, 1857 "Failed to send DCBX attention request\n"); 1858 return mfw_rc; 1859 } 1860 1861 p_hwfn->hw_init_done = true; 1862 } 1863 1864 if (IS_PF(cdev)) { 1865 p_hwfn = QED_LEADING_HWFN(cdev); 1866 1867 /* Get pre-negotiated values for stag, bandwidth etc. */ 1868 DP_VERBOSE(p_hwfn, 1869 QED_MSG_SPQ, 1870 "Sending GET_OEM_UPDATES command to trigger stag/bandwidth attention handling\n"); 1871 drv_mb_param = 1 << DRV_MB_PARAM_DUMMY_OEM_UPDATES_OFFSET; 1872 rc = qed_mcp_cmd(p_hwfn, p_hwfn->p_main_ptt, 1873 DRV_MSG_CODE_GET_OEM_UPDATES, 1874 drv_mb_param, &resp, ¶m); 1875 if (rc) 1876 DP_NOTICE(p_hwfn, 1877 "Failed to send GET_OEM_UPDATES attention request\n"); 1878 1879 drv_mb_param = STORM_FW_VERSION; 1880 rc = qed_mcp_cmd(p_hwfn, p_hwfn->p_main_ptt, 1881 DRV_MSG_CODE_OV_UPDATE_STORM_FW_VER, 1882 drv_mb_param, &load_code, ¶m); 1883 if (rc) 1884 DP_INFO(p_hwfn, "Failed to update firmware version\n"); 1885 1886 if (!b_default_mtu) { 1887 rc = qed_mcp_ov_update_mtu(p_hwfn, p_hwfn->p_main_ptt, 1888 p_hwfn->hw_info.mtu); 1889 if (rc) 1890 DP_INFO(p_hwfn, 1891 "Failed to update default mtu\n"); 1892 } 1893 1894 rc = qed_mcp_ov_update_driver_state(p_hwfn, 1895 p_hwfn->p_main_ptt, 1896 QED_OV_DRIVER_STATE_DISABLED); 1897 if (rc) 1898 DP_INFO(p_hwfn, "Failed to update driver state\n"); 1899 1900 rc = qed_mcp_ov_update_eswitch(p_hwfn, p_hwfn->p_main_ptt, 1901 QED_OV_ESWITCH_NONE); 1902 if (rc) 1903 DP_INFO(p_hwfn, "Failed to update eswitch mode\n"); 1904 } 1905 1906 return 0; 1907 } 1908 1909 #define QED_HW_STOP_RETRY_LIMIT (10) 1910 static void qed_hw_timers_stop(struct qed_dev *cdev, 1911 struct qed_hwfn *p_hwfn, struct qed_ptt *p_ptt) 1912 { 1913 int i; 1914 1915 /* close timers */ 1916 qed_wr(p_hwfn, p_ptt, TM_REG_PF_ENABLE_CONN, 0x0); 1917 qed_wr(p_hwfn, p_ptt, TM_REG_PF_ENABLE_TASK, 0x0); 1918 1919 for (i = 0; i < QED_HW_STOP_RETRY_LIMIT; i++) { 1920 if ((!qed_rd(p_hwfn, p_ptt, 1921 TM_REG_PF_SCAN_ACTIVE_CONN)) && 1922 (!qed_rd(p_hwfn, p_ptt, TM_REG_PF_SCAN_ACTIVE_TASK))) 1923 break; 1924 1925 /* Dependent on number of connection/tasks, possibly 1926 * 1ms sleep is required between polls 1927 */ 1928 usleep_range(1000, 2000); 1929 } 1930 1931 if (i < QED_HW_STOP_RETRY_LIMIT) 1932 return; 1933 1934 DP_NOTICE(p_hwfn, 1935 "Timers linear scans are not over [Connection %02x Tasks %02x]\n", 1936 (u8)qed_rd(p_hwfn, p_ptt, TM_REG_PF_SCAN_ACTIVE_CONN), 1937 (u8)qed_rd(p_hwfn, p_ptt, TM_REG_PF_SCAN_ACTIVE_TASK)); 1938 } 1939 1940 void qed_hw_timers_stop_all(struct qed_dev *cdev) 1941 { 1942 int j; 1943 1944 for_each_hwfn(cdev, j) { 1945 struct qed_hwfn *p_hwfn = &cdev->hwfns[j]; 1946 struct qed_ptt *p_ptt = p_hwfn->p_main_ptt; 1947 1948 qed_hw_timers_stop(cdev, p_hwfn, p_ptt); 1949 } 1950 } 1951 1952 int qed_hw_stop(struct qed_dev *cdev) 1953 { 1954 struct qed_hwfn *p_hwfn; 1955 struct qed_ptt *p_ptt; 1956 int rc, rc2 = 0; 1957 int j; 1958 1959 for_each_hwfn(cdev, j) { 1960 p_hwfn = &cdev->hwfns[j]; 1961 p_ptt = p_hwfn->p_main_ptt; 1962 1963 DP_VERBOSE(p_hwfn, NETIF_MSG_IFDOWN, "Stopping hw/fw\n"); 1964 1965 if (IS_VF(cdev)) { 1966 qed_vf_pf_int_cleanup(p_hwfn); 1967 rc = qed_vf_pf_reset(p_hwfn); 1968 if (rc) { 1969 DP_NOTICE(p_hwfn, 1970 "qed_vf_pf_reset failed. rc = %d.\n", 1971 rc); 1972 rc2 = -EINVAL; 1973 } 1974 continue; 1975 } 1976 1977 /* mark the hw as uninitialized... */ 1978 p_hwfn->hw_init_done = false; 1979 1980 /* Send unload command to MCP */ 1981 rc = qed_mcp_unload_req(p_hwfn, p_ptt); 1982 if (rc) { 1983 DP_NOTICE(p_hwfn, 1984 "Failed sending a UNLOAD_REQ command. rc = %d.\n", 1985 rc); 1986 rc2 = -EINVAL; 1987 } 1988 1989 qed_slowpath_irq_sync(p_hwfn); 1990 1991 /* After this point no MFW attentions are expected, e.g. prevent 1992 * race between pf stop and dcbx pf update. 1993 */ 1994 rc = qed_sp_pf_stop(p_hwfn); 1995 if (rc) { 1996 DP_NOTICE(p_hwfn, 1997 "Failed to close PF against FW [rc = %d]. Continue to stop HW to prevent illegal host access by the device.\n", 1998 rc); 1999 rc2 = -EINVAL; 2000 } 2001 2002 qed_wr(p_hwfn, p_ptt, 2003 NIG_REG_RX_LLH_BRB_GATE_DNTFWD_PERPF, 0x1); 2004 2005 qed_wr(p_hwfn, p_ptt, PRS_REG_SEARCH_TCP, 0x0); 2006 qed_wr(p_hwfn, p_ptt, PRS_REG_SEARCH_UDP, 0x0); 2007 qed_wr(p_hwfn, p_ptt, PRS_REG_SEARCH_FCOE, 0x0); 2008 qed_wr(p_hwfn, p_ptt, PRS_REG_SEARCH_ROCE, 0x0); 2009 qed_wr(p_hwfn, p_ptt, PRS_REG_SEARCH_OPENFLOW, 0x0); 2010 2011 qed_hw_timers_stop(cdev, p_hwfn, p_ptt); 2012 2013 /* Disable Attention Generation */ 2014 qed_int_igu_disable_int(p_hwfn, p_ptt); 2015 2016 qed_wr(p_hwfn, p_ptt, IGU_REG_LEADING_EDGE_LATCH, 0); 2017 qed_wr(p_hwfn, p_ptt, IGU_REG_TRAILING_EDGE_LATCH, 0); 2018 2019 qed_int_igu_init_pure_rt(p_hwfn, p_ptt, false, true); 2020 2021 /* Need to wait 1ms to guarantee SBs are cleared */ 2022 usleep_range(1000, 2000); 2023 2024 /* Disable PF in HW blocks */ 2025 qed_wr(p_hwfn, p_ptt, DORQ_REG_PF_DB_ENABLE, 0); 2026 qed_wr(p_hwfn, p_ptt, QM_REG_PF_EN, 0); 2027 2028 qed_mcp_unload_done(p_hwfn, p_ptt); 2029 if (rc) { 2030 DP_NOTICE(p_hwfn, 2031 "Failed sending a UNLOAD_DONE command. rc = %d.\n", 2032 rc); 2033 rc2 = -EINVAL; 2034 } 2035 } 2036 2037 if (IS_PF(cdev)) { 2038 p_hwfn = QED_LEADING_HWFN(cdev); 2039 p_ptt = QED_LEADING_HWFN(cdev)->p_main_ptt; 2040 2041 /* Disable DMAE in PXP - in CMT, this should only be done for 2042 * first hw-function, and only after all transactions have 2043 * stopped for all active hw-functions. 2044 */ 2045 rc = qed_change_pci_hwfn(p_hwfn, p_ptt, false); 2046 if (rc) { 2047 DP_NOTICE(p_hwfn, 2048 "qed_change_pci_hwfn failed. rc = %d.\n", rc); 2049 rc2 = -EINVAL; 2050 } 2051 } 2052 2053 return rc2; 2054 } 2055 2056 int qed_hw_stop_fastpath(struct qed_dev *cdev) 2057 { 2058 int j; 2059 2060 for_each_hwfn(cdev, j) { 2061 struct qed_hwfn *p_hwfn = &cdev->hwfns[j]; 2062 struct qed_ptt *p_ptt; 2063 2064 if (IS_VF(cdev)) { 2065 qed_vf_pf_int_cleanup(p_hwfn); 2066 continue; 2067 } 2068 p_ptt = qed_ptt_acquire(p_hwfn); 2069 if (!p_ptt) 2070 return -EAGAIN; 2071 2072 DP_VERBOSE(p_hwfn, 2073 NETIF_MSG_IFDOWN, "Shutting down the fastpath\n"); 2074 2075 qed_wr(p_hwfn, p_ptt, 2076 NIG_REG_RX_LLH_BRB_GATE_DNTFWD_PERPF, 0x1); 2077 2078 qed_wr(p_hwfn, p_ptt, PRS_REG_SEARCH_TCP, 0x0); 2079 qed_wr(p_hwfn, p_ptt, PRS_REG_SEARCH_UDP, 0x0); 2080 qed_wr(p_hwfn, p_ptt, PRS_REG_SEARCH_FCOE, 0x0); 2081 qed_wr(p_hwfn, p_ptt, PRS_REG_SEARCH_ROCE, 0x0); 2082 qed_wr(p_hwfn, p_ptt, PRS_REG_SEARCH_OPENFLOW, 0x0); 2083 2084 qed_int_igu_init_pure_rt(p_hwfn, p_ptt, false, false); 2085 2086 /* Need to wait 1ms to guarantee SBs are cleared */ 2087 usleep_range(1000, 2000); 2088 qed_ptt_release(p_hwfn, p_ptt); 2089 } 2090 2091 return 0; 2092 } 2093 2094 int qed_hw_start_fastpath(struct qed_hwfn *p_hwfn) 2095 { 2096 struct qed_ptt *p_ptt; 2097 2098 if (IS_VF(p_hwfn->cdev)) 2099 return 0; 2100 2101 p_ptt = qed_ptt_acquire(p_hwfn); 2102 if (!p_ptt) 2103 return -EAGAIN; 2104 2105 /* If roce info is allocated it means roce is initialized and should 2106 * be enabled in searcher. 2107 */ 2108 if (p_hwfn->p_rdma_info && 2109 p_hwfn->b_rdma_enabled_in_prs) 2110 qed_wr(p_hwfn, p_ptt, p_hwfn->rdma_prs_search_reg, 0x1); 2111 2112 /* Re-open incoming traffic */ 2113 qed_wr(p_hwfn, p_ptt, NIG_REG_RX_LLH_BRB_GATE_DNTFWD_PERPF, 0x0); 2114 qed_ptt_release(p_hwfn, p_ptt); 2115 2116 return 0; 2117 } 2118 2119 /* Free hwfn memory and resources acquired in hw_hwfn_prepare */ 2120 static void qed_hw_hwfn_free(struct qed_hwfn *p_hwfn) 2121 { 2122 qed_ptt_pool_free(p_hwfn); 2123 kfree(p_hwfn->hw_info.p_igu_info); 2124 p_hwfn->hw_info.p_igu_info = NULL; 2125 } 2126 2127 /* Setup bar access */ 2128 static void qed_hw_hwfn_prepare(struct qed_hwfn *p_hwfn) 2129 { 2130 /* clear indirect access */ 2131 if (QED_IS_AH(p_hwfn->cdev)) { 2132 qed_wr(p_hwfn, p_hwfn->p_main_ptt, 2133 PGLUE_B_REG_PGL_ADDR_E8_F0_K2, 0); 2134 qed_wr(p_hwfn, p_hwfn->p_main_ptt, 2135 PGLUE_B_REG_PGL_ADDR_EC_F0_K2, 0); 2136 qed_wr(p_hwfn, p_hwfn->p_main_ptt, 2137 PGLUE_B_REG_PGL_ADDR_F0_F0_K2, 0); 2138 qed_wr(p_hwfn, p_hwfn->p_main_ptt, 2139 PGLUE_B_REG_PGL_ADDR_F4_F0_K2, 0); 2140 } else { 2141 qed_wr(p_hwfn, p_hwfn->p_main_ptt, 2142 PGLUE_B_REG_PGL_ADDR_88_F0_BB, 0); 2143 qed_wr(p_hwfn, p_hwfn->p_main_ptt, 2144 PGLUE_B_REG_PGL_ADDR_8C_F0_BB, 0); 2145 qed_wr(p_hwfn, p_hwfn->p_main_ptt, 2146 PGLUE_B_REG_PGL_ADDR_90_F0_BB, 0); 2147 qed_wr(p_hwfn, p_hwfn->p_main_ptt, 2148 PGLUE_B_REG_PGL_ADDR_94_F0_BB, 0); 2149 } 2150 2151 /* Clean Previous errors if such exist */ 2152 qed_wr(p_hwfn, p_hwfn->p_main_ptt, 2153 PGLUE_B_REG_WAS_ERROR_PF_31_0_CLR, 1 << p_hwfn->abs_pf_id); 2154 2155 /* enable internal target-read */ 2156 qed_wr(p_hwfn, p_hwfn->p_main_ptt, 2157 PGLUE_B_REG_INTERNAL_PFID_ENABLE_TARGET_READ, 1); 2158 } 2159 2160 static void get_function_id(struct qed_hwfn *p_hwfn) 2161 { 2162 /* ME Register */ 2163 p_hwfn->hw_info.opaque_fid = (u16) REG_RD(p_hwfn, 2164 PXP_PF_ME_OPAQUE_ADDR); 2165 2166 p_hwfn->hw_info.concrete_fid = REG_RD(p_hwfn, PXP_PF_ME_CONCRETE_ADDR); 2167 2168 p_hwfn->abs_pf_id = (p_hwfn->hw_info.concrete_fid >> 16) & 0xf; 2169 p_hwfn->rel_pf_id = GET_FIELD(p_hwfn->hw_info.concrete_fid, 2170 PXP_CONCRETE_FID_PFID); 2171 p_hwfn->port_id = GET_FIELD(p_hwfn->hw_info.concrete_fid, 2172 PXP_CONCRETE_FID_PORT); 2173 2174 DP_VERBOSE(p_hwfn, NETIF_MSG_PROBE, 2175 "Read ME register: Concrete 0x%08x Opaque 0x%04x\n", 2176 p_hwfn->hw_info.concrete_fid, p_hwfn->hw_info.opaque_fid); 2177 } 2178 2179 static void qed_hw_set_feat(struct qed_hwfn *p_hwfn) 2180 { 2181 u32 *feat_num = p_hwfn->hw_info.feat_num; 2182 struct qed_sb_cnt_info sb_cnt; 2183 u32 non_l2_sbs = 0; 2184 2185 memset(&sb_cnt, 0, sizeof(sb_cnt)); 2186 qed_int_get_num_sbs(p_hwfn, &sb_cnt); 2187 2188 if (IS_ENABLED(CONFIG_QED_RDMA) && 2189 QED_IS_RDMA_PERSONALITY(p_hwfn)) { 2190 /* Roce CNQ each requires: 1 status block + 1 CNQ. We divide 2191 * the status blocks equally between L2 / RoCE but with 2192 * consideration as to how many l2 queues / cnqs we have. 2193 */ 2194 feat_num[QED_RDMA_CNQ] = 2195 min_t(u32, sb_cnt.cnt / 2, 2196 RESC_NUM(p_hwfn, QED_RDMA_CNQ_RAM)); 2197 2198 non_l2_sbs = feat_num[QED_RDMA_CNQ]; 2199 } 2200 if (QED_IS_L2_PERSONALITY(p_hwfn)) { 2201 /* Start by allocating VF queues, then PF's */ 2202 feat_num[QED_VF_L2_QUE] = min_t(u32, 2203 RESC_NUM(p_hwfn, QED_L2_QUEUE), 2204 sb_cnt.iov_cnt); 2205 feat_num[QED_PF_L2_QUE] = min_t(u32, 2206 sb_cnt.cnt - non_l2_sbs, 2207 RESC_NUM(p_hwfn, 2208 QED_L2_QUEUE) - 2209 FEAT_NUM(p_hwfn, 2210 QED_VF_L2_QUE)); 2211 } 2212 2213 if (QED_IS_FCOE_PERSONALITY(p_hwfn)) 2214 feat_num[QED_FCOE_CQ] = min_t(u32, sb_cnt.cnt, 2215 RESC_NUM(p_hwfn, 2216 QED_CMDQS_CQS)); 2217 2218 if (QED_IS_ISCSI_PERSONALITY(p_hwfn)) 2219 feat_num[QED_ISCSI_CQ] = min_t(u32, sb_cnt.cnt, 2220 RESC_NUM(p_hwfn, 2221 QED_CMDQS_CQS)); 2222 DP_VERBOSE(p_hwfn, 2223 NETIF_MSG_PROBE, 2224 "#PF_L2_QUEUES=%d VF_L2_QUEUES=%d #ROCE_CNQ=%d FCOE_CQ=%d ISCSI_CQ=%d #SBS=%d\n", 2225 (int)FEAT_NUM(p_hwfn, QED_PF_L2_QUE), 2226 (int)FEAT_NUM(p_hwfn, QED_VF_L2_QUE), 2227 (int)FEAT_NUM(p_hwfn, QED_RDMA_CNQ), 2228 (int)FEAT_NUM(p_hwfn, QED_FCOE_CQ), 2229 (int)FEAT_NUM(p_hwfn, QED_ISCSI_CQ), 2230 (int)sb_cnt.cnt); 2231 } 2232 2233 const char *qed_hw_get_resc_name(enum qed_resources res_id) 2234 { 2235 switch (res_id) { 2236 case QED_L2_QUEUE: 2237 return "L2_QUEUE"; 2238 case QED_VPORT: 2239 return "VPORT"; 2240 case QED_RSS_ENG: 2241 return "RSS_ENG"; 2242 case QED_PQ: 2243 return "PQ"; 2244 case QED_RL: 2245 return "RL"; 2246 case QED_MAC: 2247 return "MAC"; 2248 case QED_VLAN: 2249 return "VLAN"; 2250 case QED_RDMA_CNQ_RAM: 2251 return "RDMA_CNQ_RAM"; 2252 case QED_ILT: 2253 return "ILT"; 2254 case QED_LL2_QUEUE: 2255 return "LL2_QUEUE"; 2256 case QED_CMDQS_CQS: 2257 return "CMDQS_CQS"; 2258 case QED_RDMA_STATS_QUEUE: 2259 return "RDMA_STATS_QUEUE"; 2260 case QED_BDQ: 2261 return "BDQ"; 2262 case QED_SB: 2263 return "SB"; 2264 default: 2265 return "UNKNOWN_RESOURCE"; 2266 } 2267 } 2268 2269 static int 2270 __qed_hw_set_soft_resc_size(struct qed_hwfn *p_hwfn, 2271 struct qed_ptt *p_ptt, 2272 enum qed_resources res_id, 2273 u32 resc_max_val, u32 *p_mcp_resp) 2274 { 2275 int rc; 2276 2277 rc = qed_mcp_set_resc_max_val(p_hwfn, p_ptt, res_id, 2278 resc_max_val, p_mcp_resp); 2279 if (rc) { 2280 DP_NOTICE(p_hwfn, 2281 "MFW response failure for a max value setting of resource %d [%s]\n", 2282 res_id, qed_hw_get_resc_name(res_id)); 2283 return rc; 2284 } 2285 2286 if (*p_mcp_resp != FW_MSG_CODE_RESOURCE_ALLOC_OK) 2287 DP_INFO(p_hwfn, 2288 "Failed to set the max value of resource %d [%s]. mcp_resp = 0x%08x.\n", 2289 res_id, qed_hw_get_resc_name(res_id), *p_mcp_resp); 2290 2291 return 0; 2292 } 2293 2294 static int 2295 qed_hw_set_soft_resc_size(struct qed_hwfn *p_hwfn, struct qed_ptt *p_ptt) 2296 { 2297 bool b_ah = QED_IS_AH(p_hwfn->cdev); 2298 u32 resc_max_val, mcp_resp; 2299 u8 res_id; 2300 int rc; 2301 2302 for (res_id = 0; res_id < QED_MAX_RESC; res_id++) { 2303 switch (res_id) { 2304 case QED_LL2_QUEUE: 2305 resc_max_val = MAX_NUM_LL2_RX_QUEUES; 2306 break; 2307 case QED_RDMA_CNQ_RAM: 2308 /* No need for a case for QED_CMDQS_CQS since 2309 * CNQ/CMDQS are the same resource. 2310 */ 2311 resc_max_val = NUM_OF_GLOBAL_QUEUES; 2312 break; 2313 case QED_RDMA_STATS_QUEUE: 2314 resc_max_val = b_ah ? RDMA_NUM_STATISTIC_COUNTERS_K2 2315 : RDMA_NUM_STATISTIC_COUNTERS_BB; 2316 break; 2317 case QED_BDQ: 2318 resc_max_val = BDQ_NUM_RESOURCES; 2319 break; 2320 default: 2321 continue; 2322 } 2323 2324 rc = __qed_hw_set_soft_resc_size(p_hwfn, p_ptt, res_id, 2325 resc_max_val, &mcp_resp); 2326 if (rc) 2327 return rc; 2328 2329 /* There's no point to continue to the next resource if the 2330 * command is not supported by the MFW. 2331 * We do continue if the command is supported but the resource 2332 * is unknown to the MFW. Such a resource will be later 2333 * configured with the default allocation values. 2334 */ 2335 if (mcp_resp == FW_MSG_CODE_UNSUPPORTED) 2336 return -EINVAL; 2337 } 2338 2339 return 0; 2340 } 2341 2342 static 2343 int qed_hw_get_dflt_resc(struct qed_hwfn *p_hwfn, 2344 enum qed_resources res_id, 2345 u32 *p_resc_num, u32 *p_resc_start) 2346 { 2347 u8 num_funcs = p_hwfn->num_funcs_on_engine; 2348 bool b_ah = QED_IS_AH(p_hwfn->cdev); 2349 2350 switch (res_id) { 2351 case QED_L2_QUEUE: 2352 *p_resc_num = (b_ah ? MAX_NUM_L2_QUEUES_K2 : 2353 MAX_NUM_L2_QUEUES_BB) / num_funcs; 2354 break; 2355 case QED_VPORT: 2356 *p_resc_num = (b_ah ? MAX_NUM_VPORTS_K2 : 2357 MAX_NUM_VPORTS_BB) / num_funcs; 2358 break; 2359 case QED_RSS_ENG: 2360 *p_resc_num = (b_ah ? ETH_RSS_ENGINE_NUM_K2 : 2361 ETH_RSS_ENGINE_NUM_BB) / num_funcs; 2362 break; 2363 case QED_PQ: 2364 *p_resc_num = (b_ah ? MAX_QM_TX_QUEUES_K2 : 2365 MAX_QM_TX_QUEUES_BB) / num_funcs; 2366 *p_resc_num &= ~0x7; /* The granularity of the PQs is 8 */ 2367 break; 2368 case QED_RL: 2369 *p_resc_num = MAX_QM_GLOBAL_RLS / num_funcs; 2370 break; 2371 case QED_MAC: 2372 case QED_VLAN: 2373 /* Each VFC resource can accommodate both a MAC and a VLAN */ 2374 *p_resc_num = ETH_NUM_MAC_FILTERS / num_funcs; 2375 break; 2376 case QED_ILT: 2377 *p_resc_num = (b_ah ? PXP_NUM_ILT_RECORDS_K2 : 2378 PXP_NUM_ILT_RECORDS_BB) / num_funcs; 2379 break; 2380 case QED_LL2_QUEUE: 2381 *p_resc_num = MAX_NUM_LL2_RX_QUEUES / num_funcs; 2382 break; 2383 case QED_RDMA_CNQ_RAM: 2384 case QED_CMDQS_CQS: 2385 /* CNQ/CMDQS are the same resource */ 2386 *p_resc_num = NUM_OF_GLOBAL_QUEUES / num_funcs; 2387 break; 2388 case QED_RDMA_STATS_QUEUE: 2389 *p_resc_num = (b_ah ? RDMA_NUM_STATISTIC_COUNTERS_K2 : 2390 RDMA_NUM_STATISTIC_COUNTERS_BB) / num_funcs; 2391 break; 2392 case QED_BDQ: 2393 if (p_hwfn->hw_info.personality != QED_PCI_ISCSI && 2394 p_hwfn->hw_info.personality != QED_PCI_FCOE) 2395 *p_resc_num = 0; 2396 else 2397 *p_resc_num = 1; 2398 break; 2399 case QED_SB: 2400 /* Since we want its value to reflect whether MFW supports 2401 * the new scheme, have a default of 0. 2402 */ 2403 *p_resc_num = 0; 2404 break; 2405 default: 2406 return -EINVAL; 2407 } 2408 2409 switch (res_id) { 2410 case QED_BDQ: 2411 if (!*p_resc_num) 2412 *p_resc_start = 0; 2413 else if (p_hwfn->cdev->num_ports_in_engine == 4) 2414 *p_resc_start = p_hwfn->port_id; 2415 else if (p_hwfn->hw_info.personality == QED_PCI_ISCSI) 2416 *p_resc_start = p_hwfn->port_id; 2417 else if (p_hwfn->hw_info.personality == QED_PCI_FCOE) 2418 *p_resc_start = p_hwfn->port_id + 2; 2419 break; 2420 default: 2421 *p_resc_start = *p_resc_num * p_hwfn->enabled_func_idx; 2422 break; 2423 } 2424 2425 return 0; 2426 } 2427 2428 static int __qed_hw_set_resc_info(struct qed_hwfn *p_hwfn, 2429 enum qed_resources res_id) 2430 { 2431 u32 dflt_resc_num = 0, dflt_resc_start = 0; 2432 u32 mcp_resp, *p_resc_num, *p_resc_start; 2433 int rc; 2434 2435 p_resc_num = &RESC_NUM(p_hwfn, res_id); 2436 p_resc_start = &RESC_START(p_hwfn, res_id); 2437 2438 rc = qed_hw_get_dflt_resc(p_hwfn, res_id, &dflt_resc_num, 2439 &dflt_resc_start); 2440 if (rc) { 2441 DP_ERR(p_hwfn, 2442 "Failed to get default amount for resource %d [%s]\n", 2443 res_id, qed_hw_get_resc_name(res_id)); 2444 return rc; 2445 } 2446 2447 rc = qed_mcp_get_resc_info(p_hwfn, p_hwfn->p_main_ptt, res_id, 2448 &mcp_resp, p_resc_num, p_resc_start); 2449 if (rc) { 2450 DP_NOTICE(p_hwfn, 2451 "MFW response failure for an allocation request for resource %d [%s]\n", 2452 res_id, qed_hw_get_resc_name(res_id)); 2453 return rc; 2454 } 2455 2456 /* Default driver values are applied in the following cases: 2457 * - The resource allocation MB command is not supported by the MFW 2458 * - There is an internal error in the MFW while processing the request 2459 * - The resource ID is unknown to the MFW 2460 */ 2461 if (mcp_resp != FW_MSG_CODE_RESOURCE_ALLOC_OK) { 2462 DP_INFO(p_hwfn, 2463 "Failed to receive allocation info for resource %d [%s]. mcp_resp = 0x%x. Applying default values [%d,%d].\n", 2464 res_id, 2465 qed_hw_get_resc_name(res_id), 2466 mcp_resp, dflt_resc_num, dflt_resc_start); 2467 *p_resc_num = dflt_resc_num; 2468 *p_resc_start = dflt_resc_start; 2469 goto out; 2470 } 2471 2472 out: 2473 /* PQs have to divide by 8 [that's the HW granularity]. 2474 * Reduce number so it would fit. 2475 */ 2476 if ((res_id == QED_PQ) && ((*p_resc_num % 8) || (*p_resc_start % 8))) { 2477 DP_INFO(p_hwfn, 2478 "PQs need to align by 8; Number %08x --> %08x, Start %08x --> %08x\n", 2479 *p_resc_num, 2480 (*p_resc_num) & ~0x7, 2481 *p_resc_start, (*p_resc_start) & ~0x7); 2482 *p_resc_num &= ~0x7; 2483 *p_resc_start &= ~0x7; 2484 } 2485 2486 return 0; 2487 } 2488 2489 static int qed_hw_set_resc_info(struct qed_hwfn *p_hwfn) 2490 { 2491 int rc; 2492 u8 res_id; 2493 2494 for (res_id = 0; res_id < QED_MAX_RESC; res_id++) { 2495 rc = __qed_hw_set_resc_info(p_hwfn, res_id); 2496 if (rc) 2497 return rc; 2498 } 2499 2500 return 0; 2501 } 2502 2503 static int qed_hw_get_resc(struct qed_hwfn *p_hwfn, struct qed_ptt *p_ptt) 2504 { 2505 struct qed_resc_unlock_params resc_unlock_params; 2506 struct qed_resc_lock_params resc_lock_params; 2507 bool b_ah = QED_IS_AH(p_hwfn->cdev); 2508 u8 res_id; 2509 int rc; 2510 2511 /* Setting the max values of the soft resources and the following 2512 * resources allocation queries should be atomic. Since several PFs can 2513 * run in parallel - a resource lock is needed. 2514 * If either the resource lock or resource set value commands are not 2515 * supported - skip the the max values setting, release the lock if 2516 * needed, and proceed to the queries. Other failures, including a 2517 * failure to acquire the lock, will cause this function to fail. 2518 */ 2519 qed_mcp_resc_lock_default_init(&resc_lock_params, &resc_unlock_params, 2520 QED_RESC_LOCK_RESC_ALLOC, false); 2521 2522 rc = qed_mcp_resc_lock(p_hwfn, p_ptt, &resc_lock_params); 2523 if (rc && rc != -EINVAL) { 2524 return rc; 2525 } else if (rc == -EINVAL) { 2526 DP_INFO(p_hwfn, 2527 "Skip the max values setting of the soft resources since the resource lock is not supported by the MFW\n"); 2528 } else if (!rc && !resc_lock_params.b_granted) { 2529 DP_NOTICE(p_hwfn, 2530 "Failed to acquire the resource lock for the resource allocation commands\n"); 2531 return -EBUSY; 2532 } else { 2533 rc = qed_hw_set_soft_resc_size(p_hwfn, p_ptt); 2534 if (rc && rc != -EINVAL) { 2535 DP_NOTICE(p_hwfn, 2536 "Failed to set the max values of the soft resources\n"); 2537 goto unlock_and_exit; 2538 } else if (rc == -EINVAL) { 2539 DP_INFO(p_hwfn, 2540 "Skip the max values setting of the soft resources since it is not supported by the MFW\n"); 2541 rc = qed_mcp_resc_unlock(p_hwfn, p_ptt, 2542 &resc_unlock_params); 2543 if (rc) 2544 DP_INFO(p_hwfn, 2545 "Failed to release the resource lock for the resource allocation commands\n"); 2546 } 2547 } 2548 2549 rc = qed_hw_set_resc_info(p_hwfn); 2550 if (rc) 2551 goto unlock_and_exit; 2552 2553 if (resc_lock_params.b_granted && !resc_unlock_params.b_released) { 2554 rc = qed_mcp_resc_unlock(p_hwfn, p_ptt, &resc_unlock_params); 2555 if (rc) 2556 DP_INFO(p_hwfn, 2557 "Failed to release the resource lock for the resource allocation commands\n"); 2558 } 2559 2560 /* Sanity for ILT */ 2561 if ((b_ah && (RESC_END(p_hwfn, QED_ILT) > PXP_NUM_ILT_RECORDS_K2)) || 2562 (!b_ah && (RESC_END(p_hwfn, QED_ILT) > PXP_NUM_ILT_RECORDS_BB))) { 2563 DP_NOTICE(p_hwfn, "Can't assign ILT pages [%08x,...,%08x]\n", 2564 RESC_START(p_hwfn, QED_ILT), 2565 RESC_END(p_hwfn, QED_ILT) - 1); 2566 return -EINVAL; 2567 } 2568 2569 /* This will also learn the number of SBs from MFW */ 2570 if (qed_int_igu_reset_cam(p_hwfn, p_ptt)) 2571 return -EINVAL; 2572 2573 qed_hw_set_feat(p_hwfn); 2574 2575 for (res_id = 0; res_id < QED_MAX_RESC; res_id++) 2576 DP_VERBOSE(p_hwfn, NETIF_MSG_PROBE, "%s = %d start = %d\n", 2577 qed_hw_get_resc_name(res_id), 2578 RESC_NUM(p_hwfn, res_id), 2579 RESC_START(p_hwfn, res_id)); 2580 2581 return 0; 2582 2583 unlock_and_exit: 2584 if (resc_lock_params.b_granted && !resc_unlock_params.b_released) 2585 qed_mcp_resc_unlock(p_hwfn, p_ptt, &resc_unlock_params); 2586 return rc; 2587 } 2588 2589 static int qed_hw_get_nvm_info(struct qed_hwfn *p_hwfn, struct qed_ptt *p_ptt) 2590 { 2591 u32 port_cfg_addr, link_temp, nvm_cfg_addr, device_capabilities; 2592 u32 nvm_cfg1_offset, mf_mode, addr, generic_cont0, core_cfg; 2593 struct qed_mcp_link_capabilities *p_caps; 2594 struct qed_mcp_link_params *link; 2595 2596 /* Read global nvm_cfg address */ 2597 nvm_cfg_addr = qed_rd(p_hwfn, p_ptt, MISC_REG_GEN_PURP_CR0); 2598 2599 /* Verify MCP has initialized it */ 2600 if (!nvm_cfg_addr) { 2601 DP_NOTICE(p_hwfn, "Shared memory not initialized\n"); 2602 return -EINVAL; 2603 } 2604 2605 /* Read nvm_cfg1 (Notice this is just offset, and not offsize (TBD) */ 2606 nvm_cfg1_offset = qed_rd(p_hwfn, p_ptt, nvm_cfg_addr + 4); 2607 2608 addr = MCP_REG_SCRATCH + nvm_cfg1_offset + 2609 offsetof(struct nvm_cfg1, glob) + 2610 offsetof(struct nvm_cfg1_glob, core_cfg); 2611 2612 core_cfg = qed_rd(p_hwfn, p_ptt, addr); 2613 2614 switch ((core_cfg & NVM_CFG1_GLOB_NETWORK_PORT_MODE_MASK) >> 2615 NVM_CFG1_GLOB_NETWORK_PORT_MODE_OFFSET) { 2616 case NVM_CFG1_GLOB_NETWORK_PORT_MODE_BB_2X40G: 2617 p_hwfn->hw_info.port_mode = QED_PORT_MODE_DE_2X40G; 2618 break; 2619 case NVM_CFG1_GLOB_NETWORK_PORT_MODE_2X50G: 2620 p_hwfn->hw_info.port_mode = QED_PORT_MODE_DE_2X50G; 2621 break; 2622 case NVM_CFG1_GLOB_NETWORK_PORT_MODE_BB_1X100G: 2623 p_hwfn->hw_info.port_mode = QED_PORT_MODE_DE_1X100G; 2624 break; 2625 case NVM_CFG1_GLOB_NETWORK_PORT_MODE_4X10G_F: 2626 p_hwfn->hw_info.port_mode = QED_PORT_MODE_DE_4X10G_F; 2627 break; 2628 case NVM_CFG1_GLOB_NETWORK_PORT_MODE_BB_4X10G_E: 2629 p_hwfn->hw_info.port_mode = QED_PORT_MODE_DE_4X10G_E; 2630 break; 2631 case NVM_CFG1_GLOB_NETWORK_PORT_MODE_BB_4X20G: 2632 p_hwfn->hw_info.port_mode = QED_PORT_MODE_DE_4X20G; 2633 break; 2634 case NVM_CFG1_GLOB_NETWORK_PORT_MODE_1X40G: 2635 p_hwfn->hw_info.port_mode = QED_PORT_MODE_DE_1X40G; 2636 break; 2637 case NVM_CFG1_GLOB_NETWORK_PORT_MODE_2X25G: 2638 p_hwfn->hw_info.port_mode = QED_PORT_MODE_DE_2X25G; 2639 break; 2640 case NVM_CFG1_GLOB_NETWORK_PORT_MODE_2X10G: 2641 p_hwfn->hw_info.port_mode = QED_PORT_MODE_DE_2X10G; 2642 break; 2643 case NVM_CFG1_GLOB_NETWORK_PORT_MODE_1X25G: 2644 p_hwfn->hw_info.port_mode = QED_PORT_MODE_DE_1X25G; 2645 break; 2646 case NVM_CFG1_GLOB_NETWORK_PORT_MODE_4X25G: 2647 p_hwfn->hw_info.port_mode = QED_PORT_MODE_DE_4X25G; 2648 break; 2649 default: 2650 DP_NOTICE(p_hwfn, "Unknown port mode in 0x%08x\n", core_cfg); 2651 break; 2652 } 2653 2654 /* Read default link configuration */ 2655 link = &p_hwfn->mcp_info->link_input; 2656 p_caps = &p_hwfn->mcp_info->link_capabilities; 2657 port_cfg_addr = MCP_REG_SCRATCH + nvm_cfg1_offset + 2658 offsetof(struct nvm_cfg1, port[MFW_PORT(p_hwfn)]); 2659 link_temp = qed_rd(p_hwfn, p_ptt, 2660 port_cfg_addr + 2661 offsetof(struct nvm_cfg1_port, speed_cap_mask)); 2662 link_temp &= NVM_CFG1_PORT_DRV_SPEED_CAPABILITY_MASK_MASK; 2663 link->speed.advertised_speeds = link_temp; 2664 2665 link_temp = link->speed.advertised_speeds; 2666 p_hwfn->mcp_info->link_capabilities.speed_capabilities = link_temp; 2667 2668 link_temp = qed_rd(p_hwfn, p_ptt, 2669 port_cfg_addr + 2670 offsetof(struct nvm_cfg1_port, link_settings)); 2671 switch ((link_temp & NVM_CFG1_PORT_DRV_LINK_SPEED_MASK) >> 2672 NVM_CFG1_PORT_DRV_LINK_SPEED_OFFSET) { 2673 case NVM_CFG1_PORT_DRV_LINK_SPEED_AUTONEG: 2674 link->speed.autoneg = true; 2675 break; 2676 case NVM_CFG1_PORT_DRV_LINK_SPEED_1G: 2677 link->speed.forced_speed = 1000; 2678 break; 2679 case NVM_CFG1_PORT_DRV_LINK_SPEED_10G: 2680 link->speed.forced_speed = 10000; 2681 break; 2682 case NVM_CFG1_PORT_DRV_LINK_SPEED_20G: 2683 link->speed.forced_speed = 20000; 2684 break; 2685 case NVM_CFG1_PORT_DRV_LINK_SPEED_25G: 2686 link->speed.forced_speed = 25000; 2687 break; 2688 case NVM_CFG1_PORT_DRV_LINK_SPEED_40G: 2689 link->speed.forced_speed = 40000; 2690 break; 2691 case NVM_CFG1_PORT_DRV_LINK_SPEED_50G: 2692 link->speed.forced_speed = 50000; 2693 break; 2694 case NVM_CFG1_PORT_DRV_LINK_SPEED_BB_100G: 2695 link->speed.forced_speed = 100000; 2696 break; 2697 default: 2698 DP_NOTICE(p_hwfn, "Unknown Speed in 0x%08x\n", link_temp); 2699 } 2700 2701 p_hwfn->mcp_info->link_capabilities.default_speed_autoneg = 2702 link->speed.autoneg; 2703 2704 link_temp &= NVM_CFG1_PORT_DRV_FLOW_CONTROL_MASK; 2705 link_temp >>= NVM_CFG1_PORT_DRV_FLOW_CONTROL_OFFSET; 2706 link->pause.autoneg = !!(link_temp & 2707 NVM_CFG1_PORT_DRV_FLOW_CONTROL_AUTONEG); 2708 link->pause.forced_rx = !!(link_temp & 2709 NVM_CFG1_PORT_DRV_FLOW_CONTROL_RX); 2710 link->pause.forced_tx = !!(link_temp & 2711 NVM_CFG1_PORT_DRV_FLOW_CONTROL_TX); 2712 link->loopback_mode = 0; 2713 2714 if (p_hwfn->mcp_info->capabilities & FW_MB_PARAM_FEATURE_SUPPORT_EEE) { 2715 link_temp = qed_rd(p_hwfn, p_ptt, port_cfg_addr + 2716 offsetof(struct nvm_cfg1_port, ext_phy)); 2717 link_temp &= NVM_CFG1_PORT_EEE_POWER_SAVING_MODE_MASK; 2718 link_temp >>= NVM_CFG1_PORT_EEE_POWER_SAVING_MODE_OFFSET; 2719 p_caps->default_eee = QED_MCP_EEE_ENABLED; 2720 link->eee.enable = true; 2721 switch (link_temp) { 2722 case NVM_CFG1_PORT_EEE_POWER_SAVING_MODE_DISABLED: 2723 p_caps->default_eee = QED_MCP_EEE_DISABLED; 2724 link->eee.enable = false; 2725 break; 2726 case NVM_CFG1_PORT_EEE_POWER_SAVING_MODE_BALANCED: 2727 p_caps->eee_lpi_timer = EEE_TX_TIMER_USEC_BALANCED_TIME; 2728 break; 2729 case NVM_CFG1_PORT_EEE_POWER_SAVING_MODE_AGGRESSIVE: 2730 p_caps->eee_lpi_timer = 2731 EEE_TX_TIMER_USEC_AGGRESSIVE_TIME; 2732 break; 2733 case NVM_CFG1_PORT_EEE_POWER_SAVING_MODE_LOW_LATENCY: 2734 p_caps->eee_lpi_timer = EEE_TX_TIMER_USEC_LATENCY_TIME; 2735 break; 2736 } 2737 2738 link->eee.tx_lpi_timer = p_caps->eee_lpi_timer; 2739 link->eee.tx_lpi_enable = link->eee.enable; 2740 link->eee.adv_caps = QED_EEE_1G_ADV | QED_EEE_10G_ADV; 2741 } else { 2742 p_caps->default_eee = QED_MCP_EEE_UNSUPPORTED; 2743 } 2744 2745 DP_VERBOSE(p_hwfn, 2746 NETIF_MSG_LINK, 2747 "Read default link: Speed 0x%08x, Adv. Speed 0x%08x, AN: 0x%02x, PAUSE AN: 0x%02x EEE: %02x [%08x usec]\n", 2748 link->speed.forced_speed, 2749 link->speed.advertised_speeds, 2750 link->speed.autoneg, 2751 link->pause.autoneg, 2752 p_caps->default_eee, p_caps->eee_lpi_timer); 2753 2754 if (IS_LEAD_HWFN(p_hwfn)) { 2755 struct qed_dev *cdev = p_hwfn->cdev; 2756 2757 /* Read Multi-function information from shmem */ 2758 addr = MCP_REG_SCRATCH + nvm_cfg1_offset + 2759 offsetof(struct nvm_cfg1, glob) + 2760 offsetof(struct nvm_cfg1_glob, generic_cont0); 2761 2762 generic_cont0 = qed_rd(p_hwfn, p_ptt, addr); 2763 2764 mf_mode = (generic_cont0 & NVM_CFG1_GLOB_MF_MODE_MASK) >> 2765 NVM_CFG1_GLOB_MF_MODE_OFFSET; 2766 2767 switch (mf_mode) { 2768 case NVM_CFG1_GLOB_MF_MODE_MF_ALLOWED: 2769 cdev->mf_bits = BIT(QED_MF_OVLAN_CLSS); 2770 break; 2771 case NVM_CFG1_GLOB_MF_MODE_UFP: 2772 cdev->mf_bits = BIT(QED_MF_OVLAN_CLSS) | 2773 BIT(QED_MF_LLH_PROTO_CLSS) | 2774 BIT(QED_MF_UFP_SPECIFIC) | 2775 BIT(QED_MF_8021Q_TAGGING); 2776 break; 2777 case NVM_CFG1_GLOB_MF_MODE_BD: 2778 cdev->mf_bits = BIT(QED_MF_OVLAN_CLSS) | 2779 BIT(QED_MF_LLH_PROTO_CLSS) | 2780 BIT(QED_MF_8021AD_TAGGING); 2781 break; 2782 case NVM_CFG1_GLOB_MF_MODE_NPAR1_0: 2783 cdev->mf_bits = BIT(QED_MF_LLH_MAC_CLSS) | 2784 BIT(QED_MF_LLH_PROTO_CLSS) | 2785 BIT(QED_MF_LL2_NON_UNICAST) | 2786 BIT(QED_MF_INTER_PF_SWITCH); 2787 break; 2788 case NVM_CFG1_GLOB_MF_MODE_DEFAULT: 2789 cdev->mf_bits = BIT(QED_MF_LLH_MAC_CLSS) | 2790 BIT(QED_MF_LLH_PROTO_CLSS) | 2791 BIT(QED_MF_LL2_NON_UNICAST); 2792 if (QED_IS_BB(p_hwfn->cdev)) 2793 cdev->mf_bits |= BIT(QED_MF_NEED_DEF_PF); 2794 break; 2795 } 2796 2797 DP_INFO(p_hwfn, "Multi function mode is 0x%lx\n", 2798 cdev->mf_bits); 2799 } 2800 2801 DP_INFO(p_hwfn, "Multi function mode is 0x%lx\n", 2802 p_hwfn->cdev->mf_bits); 2803 2804 /* Read device capabilities information from shmem */ 2805 addr = MCP_REG_SCRATCH + nvm_cfg1_offset + 2806 offsetof(struct nvm_cfg1, glob) + 2807 offsetof(struct nvm_cfg1_glob, device_capabilities); 2808 2809 device_capabilities = qed_rd(p_hwfn, p_ptt, addr); 2810 if (device_capabilities & NVM_CFG1_GLOB_DEVICE_CAPABILITIES_ETHERNET) 2811 __set_bit(QED_DEV_CAP_ETH, 2812 &p_hwfn->hw_info.device_capabilities); 2813 if (device_capabilities & NVM_CFG1_GLOB_DEVICE_CAPABILITIES_FCOE) 2814 __set_bit(QED_DEV_CAP_FCOE, 2815 &p_hwfn->hw_info.device_capabilities); 2816 if (device_capabilities & NVM_CFG1_GLOB_DEVICE_CAPABILITIES_ISCSI) 2817 __set_bit(QED_DEV_CAP_ISCSI, 2818 &p_hwfn->hw_info.device_capabilities); 2819 if (device_capabilities & NVM_CFG1_GLOB_DEVICE_CAPABILITIES_ROCE) 2820 __set_bit(QED_DEV_CAP_ROCE, 2821 &p_hwfn->hw_info.device_capabilities); 2822 2823 return qed_mcp_fill_shmem_func_info(p_hwfn, p_ptt); 2824 } 2825 2826 static void qed_get_num_funcs(struct qed_hwfn *p_hwfn, struct qed_ptt *p_ptt) 2827 { 2828 u8 num_funcs, enabled_func_idx = p_hwfn->rel_pf_id; 2829 u32 reg_function_hide, tmp, eng_mask, low_pfs_mask; 2830 struct qed_dev *cdev = p_hwfn->cdev; 2831 2832 num_funcs = QED_IS_AH(cdev) ? MAX_NUM_PFS_K2 : MAX_NUM_PFS_BB; 2833 2834 /* Bit 0 of MISCS_REG_FUNCTION_HIDE indicates whether the bypass values 2835 * in the other bits are selected. 2836 * Bits 1-15 are for functions 1-15, respectively, and their value is 2837 * '0' only for enabled functions (function 0 always exists and 2838 * enabled). 2839 * In case of CMT, only the "even" functions are enabled, and thus the 2840 * number of functions for both hwfns is learnt from the same bits. 2841 */ 2842 reg_function_hide = qed_rd(p_hwfn, p_ptt, MISCS_REG_FUNCTION_HIDE); 2843 2844 if (reg_function_hide & 0x1) { 2845 if (QED_IS_BB(cdev)) { 2846 if (QED_PATH_ID(p_hwfn) && cdev->num_hwfns == 1) { 2847 num_funcs = 0; 2848 eng_mask = 0xaaaa; 2849 } else { 2850 num_funcs = 1; 2851 eng_mask = 0x5554; 2852 } 2853 } else { 2854 num_funcs = 1; 2855 eng_mask = 0xfffe; 2856 } 2857 2858 /* Get the number of the enabled functions on the engine */ 2859 tmp = (reg_function_hide ^ 0xffffffff) & eng_mask; 2860 while (tmp) { 2861 if (tmp & 0x1) 2862 num_funcs++; 2863 tmp >>= 0x1; 2864 } 2865 2866 /* Get the PF index within the enabled functions */ 2867 low_pfs_mask = (0x1 << p_hwfn->abs_pf_id) - 1; 2868 tmp = reg_function_hide & eng_mask & low_pfs_mask; 2869 while (tmp) { 2870 if (tmp & 0x1) 2871 enabled_func_idx--; 2872 tmp >>= 0x1; 2873 } 2874 } 2875 2876 p_hwfn->num_funcs_on_engine = num_funcs; 2877 p_hwfn->enabled_func_idx = enabled_func_idx; 2878 2879 DP_VERBOSE(p_hwfn, 2880 NETIF_MSG_PROBE, 2881 "PF [rel_id %d, abs_id %d] occupies index %d within the %d enabled functions on the engine\n", 2882 p_hwfn->rel_pf_id, 2883 p_hwfn->abs_pf_id, 2884 p_hwfn->enabled_func_idx, p_hwfn->num_funcs_on_engine); 2885 } 2886 2887 static void qed_hw_info_port_num_bb(struct qed_hwfn *p_hwfn, 2888 struct qed_ptt *p_ptt) 2889 { 2890 u32 port_mode; 2891 2892 port_mode = qed_rd(p_hwfn, p_ptt, CNIG_REG_NW_PORT_MODE_BB); 2893 2894 if (port_mode < 3) { 2895 p_hwfn->cdev->num_ports_in_engine = 1; 2896 } else if (port_mode <= 5) { 2897 p_hwfn->cdev->num_ports_in_engine = 2; 2898 } else { 2899 DP_NOTICE(p_hwfn, "PORT MODE: %d not supported\n", 2900 p_hwfn->cdev->num_ports_in_engine); 2901 2902 /* Default num_ports_in_engine to something */ 2903 p_hwfn->cdev->num_ports_in_engine = 1; 2904 } 2905 } 2906 2907 static void qed_hw_info_port_num_ah(struct qed_hwfn *p_hwfn, 2908 struct qed_ptt *p_ptt) 2909 { 2910 u32 port; 2911 int i; 2912 2913 p_hwfn->cdev->num_ports_in_engine = 0; 2914 2915 for (i = 0; i < MAX_NUM_PORTS_K2; i++) { 2916 port = qed_rd(p_hwfn, p_ptt, 2917 CNIG_REG_NIG_PORT0_CONF_K2 + (i * 4)); 2918 if (port & 1) 2919 p_hwfn->cdev->num_ports_in_engine++; 2920 } 2921 2922 if (!p_hwfn->cdev->num_ports_in_engine) { 2923 DP_NOTICE(p_hwfn, "All NIG ports are inactive\n"); 2924 2925 /* Default num_ports_in_engine to something */ 2926 p_hwfn->cdev->num_ports_in_engine = 1; 2927 } 2928 } 2929 2930 static void qed_hw_info_port_num(struct qed_hwfn *p_hwfn, struct qed_ptt *p_ptt) 2931 { 2932 if (QED_IS_BB(p_hwfn->cdev)) 2933 qed_hw_info_port_num_bb(p_hwfn, p_ptt); 2934 else 2935 qed_hw_info_port_num_ah(p_hwfn, p_ptt); 2936 } 2937 2938 static void qed_get_eee_caps(struct qed_hwfn *p_hwfn, struct qed_ptt *p_ptt) 2939 { 2940 struct qed_mcp_link_capabilities *p_caps; 2941 u32 eee_status; 2942 2943 p_caps = &p_hwfn->mcp_info->link_capabilities; 2944 if (p_caps->default_eee == QED_MCP_EEE_UNSUPPORTED) 2945 return; 2946 2947 p_caps->eee_speed_caps = 0; 2948 eee_status = qed_rd(p_hwfn, p_ptt, p_hwfn->mcp_info->port_addr + 2949 offsetof(struct public_port, eee_status)); 2950 eee_status = (eee_status & EEE_SUPPORTED_SPEED_MASK) >> 2951 EEE_SUPPORTED_SPEED_OFFSET; 2952 2953 if (eee_status & EEE_1G_SUPPORTED) 2954 p_caps->eee_speed_caps |= QED_EEE_1G_ADV; 2955 if (eee_status & EEE_10G_ADV) 2956 p_caps->eee_speed_caps |= QED_EEE_10G_ADV; 2957 } 2958 2959 static int 2960 qed_get_hw_info(struct qed_hwfn *p_hwfn, 2961 struct qed_ptt *p_ptt, 2962 enum qed_pci_personality personality) 2963 { 2964 int rc; 2965 2966 /* Since all information is common, only first hwfns should do this */ 2967 if (IS_LEAD_HWFN(p_hwfn)) { 2968 rc = qed_iov_hw_info(p_hwfn); 2969 if (rc) 2970 return rc; 2971 } 2972 2973 qed_hw_info_port_num(p_hwfn, p_ptt); 2974 2975 qed_mcp_get_capabilities(p_hwfn, p_ptt); 2976 2977 qed_hw_get_nvm_info(p_hwfn, p_ptt); 2978 2979 rc = qed_int_igu_read_cam(p_hwfn, p_ptt); 2980 if (rc) 2981 return rc; 2982 2983 if (qed_mcp_is_init(p_hwfn)) 2984 ether_addr_copy(p_hwfn->hw_info.hw_mac_addr, 2985 p_hwfn->mcp_info->func_info.mac); 2986 else 2987 eth_random_addr(p_hwfn->hw_info.hw_mac_addr); 2988 2989 if (qed_mcp_is_init(p_hwfn)) { 2990 if (p_hwfn->mcp_info->func_info.ovlan != QED_MCP_VLAN_UNSET) 2991 p_hwfn->hw_info.ovlan = 2992 p_hwfn->mcp_info->func_info.ovlan; 2993 2994 qed_mcp_cmd_port_init(p_hwfn, p_ptt); 2995 2996 qed_get_eee_caps(p_hwfn, p_ptt); 2997 2998 qed_mcp_read_ufp_config(p_hwfn, p_ptt); 2999 } 3000 3001 if (qed_mcp_is_init(p_hwfn)) { 3002 enum qed_pci_personality protocol; 3003 3004 protocol = p_hwfn->mcp_info->func_info.protocol; 3005 p_hwfn->hw_info.personality = protocol; 3006 } 3007 3008 if (QED_IS_ROCE_PERSONALITY(p_hwfn)) 3009 p_hwfn->hw_info.multi_tc_roce_en = 1; 3010 3011 p_hwfn->hw_info.num_hw_tc = NUM_PHYS_TCS_4PORT_K2; 3012 p_hwfn->hw_info.num_active_tc = 1; 3013 3014 qed_get_num_funcs(p_hwfn, p_ptt); 3015 3016 if (qed_mcp_is_init(p_hwfn)) 3017 p_hwfn->hw_info.mtu = p_hwfn->mcp_info->func_info.mtu; 3018 3019 return qed_hw_get_resc(p_hwfn, p_ptt); 3020 } 3021 3022 static int qed_get_dev_info(struct qed_hwfn *p_hwfn, struct qed_ptt *p_ptt) 3023 { 3024 struct qed_dev *cdev = p_hwfn->cdev; 3025 u16 device_id_mask; 3026 u32 tmp; 3027 3028 /* Read Vendor Id / Device Id */ 3029 pci_read_config_word(cdev->pdev, PCI_VENDOR_ID, &cdev->vendor_id); 3030 pci_read_config_word(cdev->pdev, PCI_DEVICE_ID, &cdev->device_id); 3031 3032 /* Determine type */ 3033 device_id_mask = cdev->device_id & QED_DEV_ID_MASK; 3034 switch (device_id_mask) { 3035 case QED_DEV_ID_MASK_BB: 3036 cdev->type = QED_DEV_TYPE_BB; 3037 break; 3038 case QED_DEV_ID_MASK_AH: 3039 cdev->type = QED_DEV_TYPE_AH; 3040 break; 3041 default: 3042 DP_NOTICE(p_hwfn, "Unknown device id 0x%x\n", cdev->device_id); 3043 return -EBUSY; 3044 } 3045 3046 cdev->chip_num = (u16)qed_rd(p_hwfn, p_ptt, MISCS_REG_CHIP_NUM); 3047 cdev->chip_rev = (u16)qed_rd(p_hwfn, p_ptt, MISCS_REG_CHIP_REV); 3048 3049 MASK_FIELD(CHIP_REV, cdev->chip_rev); 3050 3051 /* Learn number of HW-functions */ 3052 tmp = qed_rd(p_hwfn, p_ptt, MISCS_REG_CMT_ENABLED_FOR_PAIR); 3053 3054 if (tmp & (1 << p_hwfn->rel_pf_id)) { 3055 DP_NOTICE(cdev->hwfns, "device in CMT mode\n"); 3056 cdev->num_hwfns = 2; 3057 } else { 3058 cdev->num_hwfns = 1; 3059 } 3060 3061 cdev->chip_bond_id = qed_rd(p_hwfn, p_ptt, 3062 MISCS_REG_CHIP_TEST_REG) >> 4; 3063 MASK_FIELD(CHIP_BOND_ID, cdev->chip_bond_id); 3064 cdev->chip_metal = (u16)qed_rd(p_hwfn, p_ptt, MISCS_REG_CHIP_METAL); 3065 MASK_FIELD(CHIP_METAL, cdev->chip_metal); 3066 3067 DP_INFO(cdev->hwfns, 3068 "Chip details - %s %c%d, Num: %04x Rev: %04x Bond id: %04x Metal: %04x\n", 3069 QED_IS_BB(cdev) ? "BB" : "AH", 3070 'A' + cdev->chip_rev, 3071 (int)cdev->chip_metal, 3072 cdev->chip_num, cdev->chip_rev, 3073 cdev->chip_bond_id, cdev->chip_metal); 3074 3075 return 0; 3076 } 3077 3078 static void qed_nvm_info_free(struct qed_hwfn *p_hwfn) 3079 { 3080 kfree(p_hwfn->nvm_info.image_att); 3081 p_hwfn->nvm_info.image_att = NULL; 3082 } 3083 3084 static int qed_hw_prepare_single(struct qed_hwfn *p_hwfn, 3085 void __iomem *p_regview, 3086 void __iomem *p_doorbells, 3087 enum qed_pci_personality personality) 3088 { 3089 int rc = 0; 3090 3091 /* Split PCI bars evenly between hwfns */ 3092 p_hwfn->regview = p_regview; 3093 p_hwfn->doorbells = p_doorbells; 3094 3095 if (IS_VF(p_hwfn->cdev)) 3096 return qed_vf_hw_prepare(p_hwfn); 3097 3098 /* Validate that chip access is feasible */ 3099 if (REG_RD(p_hwfn, PXP_PF_ME_OPAQUE_ADDR) == 0xffffffff) { 3100 DP_ERR(p_hwfn, 3101 "Reading the ME register returns all Fs; Preventing further chip access\n"); 3102 return -EINVAL; 3103 } 3104 3105 get_function_id(p_hwfn); 3106 3107 /* Allocate PTT pool */ 3108 rc = qed_ptt_pool_alloc(p_hwfn); 3109 if (rc) 3110 goto err0; 3111 3112 /* Allocate the main PTT */ 3113 p_hwfn->p_main_ptt = qed_get_reserved_ptt(p_hwfn, RESERVED_PTT_MAIN); 3114 3115 /* First hwfn learns basic information, e.g., number of hwfns */ 3116 if (!p_hwfn->my_id) { 3117 rc = qed_get_dev_info(p_hwfn, p_hwfn->p_main_ptt); 3118 if (rc) 3119 goto err1; 3120 } 3121 3122 qed_hw_hwfn_prepare(p_hwfn); 3123 3124 /* Initialize MCP structure */ 3125 rc = qed_mcp_cmd_init(p_hwfn, p_hwfn->p_main_ptt); 3126 if (rc) { 3127 DP_NOTICE(p_hwfn, "Failed initializing mcp command\n"); 3128 goto err1; 3129 } 3130 3131 /* Read the device configuration information from the HW and SHMEM */ 3132 rc = qed_get_hw_info(p_hwfn, p_hwfn->p_main_ptt, personality); 3133 if (rc) { 3134 DP_NOTICE(p_hwfn, "Failed to get HW information\n"); 3135 goto err2; 3136 } 3137 3138 /* Sending a mailbox to the MFW should be done after qed_get_hw_info() 3139 * is called as it sets the ports number in an engine. 3140 */ 3141 if (IS_LEAD_HWFN(p_hwfn)) { 3142 rc = qed_mcp_initiate_pf_flr(p_hwfn, p_hwfn->p_main_ptt); 3143 if (rc) 3144 DP_NOTICE(p_hwfn, "Failed to initiate PF FLR\n"); 3145 } 3146 3147 /* NVRAM info initialization and population */ 3148 if (IS_LEAD_HWFN(p_hwfn)) { 3149 rc = qed_mcp_nvm_info_populate(p_hwfn); 3150 if (rc) { 3151 DP_NOTICE(p_hwfn, 3152 "Failed to populate nvm info shadow\n"); 3153 goto err2; 3154 } 3155 } 3156 3157 /* Allocate the init RT array and initialize the init-ops engine */ 3158 rc = qed_init_alloc(p_hwfn); 3159 if (rc) 3160 goto err3; 3161 3162 return rc; 3163 err3: 3164 if (IS_LEAD_HWFN(p_hwfn)) 3165 qed_nvm_info_free(p_hwfn); 3166 err2: 3167 if (IS_LEAD_HWFN(p_hwfn)) 3168 qed_iov_free_hw_info(p_hwfn->cdev); 3169 qed_mcp_free(p_hwfn); 3170 err1: 3171 qed_hw_hwfn_free(p_hwfn); 3172 err0: 3173 return rc; 3174 } 3175 3176 int qed_hw_prepare(struct qed_dev *cdev, 3177 int personality) 3178 { 3179 struct qed_hwfn *p_hwfn = QED_LEADING_HWFN(cdev); 3180 int rc; 3181 3182 /* Store the precompiled init data ptrs */ 3183 if (IS_PF(cdev)) 3184 qed_init_iro_array(cdev); 3185 3186 /* Initialize the first hwfn - will learn number of hwfns */ 3187 rc = qed_hw_prepare_single(p_hwfn, 3188 cdev->regview, 3189 cdev->doorbells, personality); 3190 if (rc) 3191 return rc; 3192 3193 personality = p_hwfn->hw_info.personality; 3194 3195 /* Initialize the rest of the hwfns */ 3196 if (cdev->num_hwfns > 1) { 3197 void __iomem *p_regview, *p_doorbell; 3198 u8 __iomem *addr; 3199 3200 /* adjust bar offset for second engine */ 3201 addr = cdev->regview + 3202 qed_hw_bar_size(p_hwfn, p_hwfn->p_main_ptt, 3203 BAR_ID_0) / 2; 3204 p_regview = addr; 3205 3206 addr = cdev->doorbells + 3207 qed_hw_bar_size(p_hwfn, p_hwfn->p_main_ptt, 3208 BAR_ID_1) / 2; 3209 p_doorbell = addr; 3210 3211 /* prepare second hw function */ 3212 rc = qed_hw_prepare_single(&cdev->hwfns[1], p_regview, 3213 p_doorbell, personality); 3214 3215 /* in case of error, need to free the previously 3216 * initiliazed hwfn 0. 3217 */ 3218 if (rc) { 3219 if (IS_PF(cdev)) { 3220 qed_init_free(p_hwfn); 3221 qed_nvm_info_free(p_hwfn); 3222 qed_mcp_free(p_hwfn); 3223 qed_hw_hwfn_free(p_hwfn); 3224 } 3225 } 3226 } 3227 3228 return rc; 3229 } 3230 3231 void qed_hw_remove(struct qed_dev *cdev) 3232 { 3233 struct qed_hwfn *p_hwfn = QED_LEADING_HWFN(cdev); 3234 int i; 3235 3236 if (IS_PF(cdev)) 3237 qed_mcp_ov_update_driver_state(p_hwfn, p_hwfn->p_main_ptt, 3238 QED_OV_DRIVER_STATE_NOT_LOADED); 3239 3240 for_each_hwfn(cdev, i) { 3241 struct qed_hwfn *p_hwfn = &cdev->hwfns[i]; 3242 3243 if (IS_VF(cdev)) { 3244 qed_vf_pf_release(p_hwfn); 3245 continue; 3246 } 3247 3248 qed_init_free(p_hwfn); 3249 qed_hw_hwfn_free(p_hwfn); 3250 qed_mcp_free(p_hwfn); 3251 } 3252 3253 qed_iov_free_hw_info(cdev); 3254 3255 qed_nvm_info_free(p_hwfn); 3256 } 3257 3258 static void qed_chain_free_next_ptr(struct qed_dev *cdev, 3259 struct qed_chain *p_chain) 3260 { 3261 void *p_virt = p_chain->p_virt_addr, *p_virt_next = NULL; 3262 dma_addr_t p_phys = p_chain->p_phys_addr, p_phys_next = 0; 3263 struct qed_chain_next *p_next; 3264 u32 size, i; 3265 3266 if (!p_virt) 3267 return; 3268 3269 size = p_chain->elem_size * p_chain->usable_per_page; 3270 3271 for (i = 0; i < p_chain->page_cnt; i++) { 3272 if (!p_virt) 3273 break; 3274 3275 p_next = (struct qed_chain_next *)((u8 *)p_virt + size); 3276 p_virt_next = p_next->next_virt; 3277 p_phys_next = HILO_DMA_REGPAIR(p_next->next_phys); 3278 3279 dma_free_coherent(&cdev->pdev->dev, 3280 QED_CHAIN_PAGE_SIZE, p_virt, p_phys); 3281 3282 p_virt = p_virt_next; 3283 p_phys = p_phys_next; 3284 } 3285 } 3286 3287 static void qed_chain_free_single(struct qed_dev *cdev, 3288 struct qed_chain *p_chain) 3289 { 3290 if (!p_chain->p_virt_addr) 3291 return; 3292 3293 dma_free_coherent(&cdev->pdev->dev, 3294 QED_CHAIN_PAGE_SIZE, 3295 p_chain->p_virt_addr, p_chain->p_phys_addr); 3296 } 3297 3298 static void qed_chain_free_pbl(struct qed_dev *cdev, struct qed_chain *p_chain) 3299 { 3300 void **pp_virt_addr_tbl = p_chain->pbl.pp_virt_addr_tbl; 3301 u32 page_cnt = p_chain->page_cnt, i, pbl_size; 3302 u8 *p_pbl_virt = p_chain->pbl_sp.p_virt_table; 3303 3304 if (!pp_virt_addr_tbl) 3305 return; 3306 3307 if (!p_pbl_virt) 3308 goto out; 3309 3310 for (i = 0; i < page_cnt; i++) { 3311 if (!pp_virt_addr_tbl[i]) 3312 break; 3313 3314 dma_free_coherent(&cdev->pdev->dev, 3315 QED_CHAIN_PAGE_SIZE, 3316 pp_virt_addr_tbl[i], 3317 *(dma_addr_t *)p_pbl_virt); 3318 3319 p_pbl_virt += QED_CHAIN_PBL_ENTRY_SIZE; 3320 } 3321 3322 pbl_size = page_cnt * QED_CHAIN_PBL_ENTRY_SIZE; 3323 3324 if (!p_chain->b_external_pbl) 3325 dma_free_coherent(&cdev->pdev->dev, 3326 pbl_size, 3327 p_chain->pbl_sp.p_virt_table, 3328 p_chain->pbl_sp.p_phys_table); 3329 out: 3330 vfree(p_chain->pbl.pp_virt_addr_tbl); 3331 p_chain->pbl.pp_virt_addr_tbl = NULL; 3332 } 3333 3334 void qed_chain_free(struct qed_dev *cdev, struct qed_chain *p_chain) 3335 { 3336 switch (p_chain->mode) { 3337 case QED_CHAIN_MODE_NEXT_PTR: 3338 qed_chain_free_next_ptr(cdev, p_chain); 3339 break; 3340 case QED_CHAIN_MODE_SINGLE: 3341 qed_chain_free_single(cdev, p_chain); 3342 break; 3343 case QED_CHAIN_MODE_PBL: 3344 qed_chain_free_pbl(cdev, p_chain); 3345 break; 3346 } 3347 } 3348 3349 static int 3350 qed_chain_alloc_sanity_check(struct qed_dev *cdev, 3351 enum qed_chain_cnt_type cnt_type, 3352 size_t elem_size, u32 page_cnt) 3353 { 3354 u64 chain_size = ELEMS_PER_PAGE(elem_size) * page_cnt; 3355 3356 /* The actual chain size can be larger than the maximal possible value 3357 * after rounding up the requested elements number to pages, and after 3358 * taking into acount the unusuable elements (next-ptr elements). 3359 * The size of a "u16" chain can be (U16_MAX + 1) since the chain 3360 * size/capacity fields are of a u32 type. 3361 */ 3362 if ((cnt_type == QED_CHAIN_CNT_TYPE_U16 && 3363 chain_size > ((u32)U16_MAX + 1)) || 3364 (cnt_type == QED_CHAIN_CNT_TYPE_U32 && chain_size > U32_MAX)) { 3365 DP_NOTICE(cdev, 3366 "The actual chain size (0x%llx) is larger than the maximal possible value\n", 3367 chain_size); 3368 return -EINVAL; 3369 } 3370 3371 return 0; 3372 } 3373 3374 static int 3375 qed_chain_alloc_next_ptr(struct qed_dev *cdev, struct qed_chain *p_chain) 3376 { 3377 void *p_virt = NULL, *p_virt_prev = NULL; 3378 dma_addr_t p_phys = 0; 3379 u32 i; 3380 3381 for (i = 0; i < p_chain->page_cnt; i++) { 3382 p_virt = dma_alloc_coherent(&cdev->pdev->dev, 3383 QED_CHAIN_PAGE_SIZE, 3384 &p_phys, GFP_KERNEL); 3385 if (!p_virt) 3386 return -ENOMEM; 3387 3388 if (i == 0) { 3389 qed_chain_init_mem(p_chain, p_virt, p_phys); 3390 qed_chain_reset(p_chain); 3391 } else { 3392 qed_chain_init_next_ptr_elem(p_chain, p_virt_prev, 3393 p_virt, p_phys); 3394 } 3395 3396 p_virt_prev = p_virt; 3397 } 3398 /* Last page's next element should point to the beginning of the 3399 * chain. 3400 */ 3401 qed_chain_init_next_ptr_elem(p_chain, p_virt_prev, 3402 p_chain->p_virt_addr, 3403 p_chain->p_phys_addr); 3404 3405 return 0; 3406 } 3407 3408 static int 3409 qed_chain_alloc_single(struct qed_dev *cdev, struct qed_chain *p_chain) 3410 { 3411 dma_addr_t p_phys = 0; 3412 void *p_virt = NULL; 3413 3414 p_virt = dma_alloc_coherent(&cdev->pdev->dev, 3415 QED_CHAIN_PAGE_SIZE, &p_phys, GFP_KERNEL); 3416 if (!p_virt) 3417 return -ENOMEM; 3418 3419 qed_chain_init_mem(p_chain, p_virt, p_phys); 3420 qed_chain_reset(p_chain); 3421 3422 return 0; 3423 } 3424 3425 static int 3426 qed_chain_alloc_pbl(struct qed_dev *cdev, 3427 struct qed_chain *p_chain, 3428 struct qed_chain_ext_pbl *ext_pbl) 3429 { 3430 u32 page_cnt = p_chain->page_cnt, size, i; 3431 dma_addr_t p_phys = 0, p_pbl_phys = 0; 3432 void **pp_virt_addr_tbl = NULL; 3433 u8 *p_pbl_virt = NULL; 3434 void *p_virt = NULL; 3435 3436 size = page_cnt * sizeof(*pp_virt_addr_tbl); 3437 pp_virt_addr_tbl = vzalloc(size); 3438 if (!pp_virt_addr_tbl) 3439 return -ENOMEM; 3440 3441 /* The allocation of the PBL table is done with its full size, since it 3442 * is expected to be successive. 3443 * qed_chain_init_pbl_mem() is called even in a case of an allocation 3444 * failure, since pp_virt_addr_tbl was previously allocated, and it 3445 * should be saved to allow its freeing during the error flow. 3446 */ 3447 size = page_cnt * QED_CHAIN_PBL_ENTRY_SIZE; 3448 3449 if (!ext_pbl) { 3450 p_pbl_virt = dma_alloc_coherent(&cdev->pdev->dev, 3451 size, &p_pbl_phys, GFP_KERNEL); 3452 } else { 3453 p_pbl_virt = ext_pbl->p_pbl_virt; 3454 p_pbl_phys = ext_pbl->p_pbl_phys; 3455 p_chain->b_external_pbl = true; 3456 } 3457 3458 qed_chain_init_pbl_mem(p_chain, p_pbl_virt, p_pbl_phys, 3459 pp_virt_addr_tbl); 3460 if (!p_pbl_virt) 3461 return -ENOMEM; 3462 3463 for (i = 0; i < page_cnt; i++) { 3464 p_virt = dma_alloc_coherent(&cdev->pdev->dev, 3465 QED_CHAIN_PAGE_SIZE, 3466 &p_phys, GFP_KERNEL); 3467 if (!p_virt) 3468 return -ENOMEM; 3469 3470 if (i == 0) { 3471 qed_chain_init_mem(p_chain, p_virt, p_phys); 3472 qed_chain_reset(p_chain); 3473 } 3474 3475 /* Fill the PBL table with the physical address of the page */ 3476 *(dma_addr_t *)p_pbl_virt = p_phys; 3477 /* Keep the virtual address of the page */ 3478 p_chain->pbl.pp_virt_addr_tbl[i] = p_virt; 3479 3480 p_pbl_virt += QED_CHAIN_PBL_ENTRY_SIZE; 3481 } 3482 3483 return 0; 3484 } 3485 3486 int qed_chain_alloc(struct qed_dev *cdev, 3487 enum qed_chain_use_mode intended_use, 3488 enum qed_chain_mode mode, 3489 enum qed_chain_cnt_type cnt_type, 3490 u32 num_elems, 3491 size_t elem_size, 3492 struct qed_chain *p_chain, 3493 struct qed_chain_ext_pbl *ext_pbl) 3494 { 3495 u32 page_cnt; 3496 int rc = 0; 3497 3498 if (mode == QED_CHAIN_MODE_SINGLE) 3499 page_cnt = 1; 3500 else 3501 page_cnt = QED_CHAIN_PAGE_CNT(num_elems, elem_size, mode); 3502 3503 rc = qed_chain_alloc_sanity_check(cdev, cnt_type, elem_size, page_cnt); 3504 if (rc) { 3505 DP_NOTICE(cdev, 3506 "Cannot allocate a chain with the given arguments:\n"); 3507 DP_NOTICE(cdev, 3508 "[use_mode %d, mode %d, cnt_type %d, num_elems %d, elem_size %zu]\n", 3509 intended_use, mode, cnt_type, num_elems, elem_size); 3510 return rc; 3511 } 3512 3513 qed_chain_init_params(p_chain, page_cnt, (u8) elem_size, intended_use, 3514 mode, cnt_type); 3515 3516 switch (mode) { 3517 case QED_CHAIN_MODE_NEXT_PTR: 3518 rc = qed_chain_alloc_next_ptr(cdev, p_chain); 3519 break; 3520 case QED_CHAIN_MODE_SINGLE: 3521 rc = qed_chain_alloc_single(cdev, p_chain); 3522 break; 3523 case QED_CHAIN_MODE_PBL: 3524 rc = qed_chain_alloc_pbl(cdev, p_chain, ext_pbl); 3525 break; 3526 } 3527 if (rc) 3528 goto nomem; 3529 3530 return 0; 3531 3532 nomem: 3533 qed_chain_free(cdev, p_chain); 3534 return rc; 3535 } 3536 3537 int qed_fw_l2_queue(struct qed_hwfn *p_hwfn, u16 src_id, u16 *dst_id) 3538 { 3539 if (src_id >= RESC_NUM(p_hwfn, QED_L2_QUEUE)) { 3540 u16 min, max; 3541 3542 min = (u16) RESC_START(p_hwfn, QED_L2_QUEUE); 3543 max = min + RESC_NUM(p_hwfn, QED_L2_QUEUE); 3544 DP_NOTICE(p_hwfn, 3545 "l2_queue id [%d] is not valid, available indices [%d - %d]\n", 3546 src_id, min, max); 3547 3548 return -EINVAL; 3549 } 3550 3551 *dst_id = RESC_START(p_hwfn, QED_L2_QUEUE) + src_id; 3552 3553 return 0; 3554 } 3555 3556 int qed_fw_vport(struct qed_hwfn *p_hwfn, u8 src_id, u8 *dst_id) 3557 { 3558 if (src_id >= RESC_NUM(p_hwfn, QED_VPORT)) { 3559 u8 min, max; 3560 3561 min = (u8)RESC_START(p_hwfn, QED_VPORT); 3562 max = min + RESC_NUM(p_hwfn, QED_VPORT); 3563 DP_NOTICE(p_hwfn, 3564 "vport id [%d] is not valid, available indices [%d - %d]\n", 3565 src_id, min, max); 3566 3567 return -EINVAL; 3568 } 3569 3570 *dst_id = RESC_START(p_hwfn, QED_VPORT) + src_id; 3571 3572 return 0; 3573 } 3574 3575 int qed_fw_rss_eng(struct qed_hwfn *p_hwfn, u8 src_id, u8 *dst_id) 3576 { 3577 if (src_id >= RESC_NUM(p_hwfn, QED_RSS_ENG)) { 3578 u8 min, max; 3579 3580 min = (u8)RESC_START(p_hwfn, QED_RSS_ENG); 3581 max = min + RESC_NUM(p_hwfn, QED_RSS_ENG); 3582 DP_NOTICE(p_hwfn, 3583 "rss_eng id [%d] is not valid, available indices [%d - %d]\n", 3584 src_id, min, max); 3585 3586 return -EINVAL; 3587 } 3588 3589 *dst_id = RESC_START(p_hwfn, QED_RSS_ENG) + src_id; 3590 3591 return 0; 3592 } 3593 3594 static void qed_llh_mac_to_filter(u32 *p_high, u32 *p_low, 3595 u8 *p_filter) 3596 { 3597 *p_high = p_filter[1] | (p_filter[0] << 8); 3598 *p_low = p_filter[5] | (p_filter[4] << 8) | 3599 (p_filter[3] << 16) | (p_filter[2] << 24); 3600 } 3601 3602 int qed_llh_add_mac_filter(struct qed_hwfn *p_hwfn, 3603 struct qed_ptt *p_ptt, u8 *p_filter) 3604 { 3605 u32 high = 0, low = 0, en; 3606 int i; 3607 3608 if (!test_bit(QED_MF_LLH_MAC_CLSS, &p_hwfn->cdev->mf_bits)) 3609 return 0; 3610 3611 qed_llh_mac_to_filter(&high, &low, p_filter); 3612 3613 /* Find a free entry and utilize it */ 3614 for (i = 0; i < NIG_REG_LLH_FUNC_FILTER_EN_SIZE; i++) { 3615 en = qed_rd(p_hwfn, p_ptt, 3616 NIG_REG_LLH_FUNC_FILTER_EN + i * sizeof(u32)); 3617 if (en) 3618 continue; 3619 qed_wr(p_hwfn, p_ptt, 3620 NIG_REG_LLH_FUNC_FILTER_VALUE + 3621 2 * i * sizeof(u32), low); 3622 qed_wr(p_hwfn, p_ptt, 3623 NIG_REG_LLH_FUNC_FILTER_VALUE + 3624 (2 * i + 1) * sizeof(u32), high); 3625 qed_wr(p_hwfn, p_ptt, 3626 NIG_REG_LLH_FUNC_FILTER_MODE + i * sizeof(u32), 0); 3627 qed_wr(p_hwfn, p_ptt, 3628 NIG_REG_LLH_FUNC_FILTER_PROTOCOL_TYPE + 3629 i * sizeof(u32), 0); 3630 qed_wr(p_hwfn, p_ptt, 3631 NIG_REG_LLH_FUNC_FILTER_EN + i * sizeof(u32), 1); 3632 break; 3633 } 3634 if (i >= NIG_REG_LLH_FUNC_FILTER_EN_SIZE) { 3635 DP_NOTICE(p_hwfn, 3636 "Failed to find an empty LLH filter to utilize\n"); 3637 return -EINVAL; 3638 } 3639 3640 DP_VERBOSE(p_hwfn, NETIF_MSG_HW, 3641 "mac: %pM is added at %d\n", 3642 p_filter, i); 3643 3644 return 0; 3645 } 3646 3647 void qed_llh_remove_mac_filter(struct qed_hwfn *p_hwfn, 3648 struct qed_ptt *p_ptt, u8 *p_filter) 3649 { 3650 u32 high = 0, low = 0; 3651 int i; 3652 3653 if (!test_bit(QED_MF_LLH_MAC_CLSS, &p_hwfn->cdev->mf_bits)) 3654 return; 3655 3656 qed_llh_mac_to_filter(&high, &low, p_filter); 3657 3658 /* Find the entry and clean it */ 3659 for (i = 0; i < NIG_REG_LLH_FUNC_FILTER_EN_SIZE; i++) { 3660 if (qed_rd(p_hwfn, p_ptt, 3661 NIG_REG_LLH_FUNC_FILTER_VALUE + 3662 2 * i * sizeof(u32)) != low) 3663 continue; 3664 if (qed_rd(p_hwfn, p_ptt, 3665 NIG_REG_LLH_FUNC_FILTER_VALUE + 3666 (2 * i + 1) * sizeof(u32)) != high) 3667 continue; 3668 3669 qed_wr(p_hwfn, p_ptt, 3670 NIG_REG_LLH_FUNC_FILTER_EN + i * sizeof(u32), 0); 3671 qed_wr(p_hwfn, p_ptt, 3672 NIG_REG_LLH_FUNC_FILTER_VALUE + 2 * i * sizeof(u32), 0); 3673 qed_wr(p_hwfn, p_ptt, 3674 NIG_REG_LLH_FUNC_FILTER_VALUE + 3675 (2 * i + 1) * sizeof(u32), 0); 3676 3677 DP_VERBOSE(p_hwfn, NETIF_MSG_HW, 3678 "mac: %pM is removed from %d\n", 3679 p_filter, i); 3680 break; 3681 } 3682 if (i >= NIG_REG_LLH_FUNC_FILTER_EN_SIZE) 3683 DP_NOTICE(p_hwfn, "Tried to remove a non-configured filter\n"); 3684 } 3685 3686 int 3687 qed_llh_add_protocol_filter(struct qed_hwfn *p_hwfn, 3688 struct qed_ptt *p_ptt, 3689 u16 source_port_or_eth_type, 3690 u16 dest_port, enum qed_llh_port_filter_type_t type) 3691 { 3692 u32 high = 0, low = 0, en; 3693 int i; 3694 3695 if (!test_bit(QED_MF_LLH_PROTO_CLSS, &p_hwfn->cdev->mf_bits)) 3696 return 0; 3697 3698 switch (type) { 3699 case QED_LLH_FILTER_ETHERTYPE: 3700 high = source_port_or_eth_type; 3701 break; 3702 case QED_LLH_FILTER_TCP_SRC_PORT: 3703 case QED_LLH_FILTER_UDP_SRC_PORT: 3704 low = source_port_or_eth_type << 16; 3705 break; 3706 case QED_LLH_FILTER_TCP_DEST_PORT: 3707 case QED_LLH_FILTER_UDP_DEST_PORT: 3708 low = dest_port; 3709 break; 3710 case QED_LLH_FILTER_TCP_SRC_AND_DEST_PORT: 3711 case QED_LLH_FILTER_UDP_SRC_AND_DEST_PORT: 3712 low = (source_port_or_eth_type << 16) | dest_port; 3713 break; 3714 default: 3715 DP_NOTICE(p_hwfn, 3716 "Non valid LLH protocol filter type %d\n", type); 3717 return -EINVAL; 3718 } 3719 /* Find a free entry and utilize it */ 3720 for (i = 0; i < NIG_REG_LLH_FUNC_FILTER_EN_SIZE; i++) { 3721 en = qed_rd(p_hwfn, p_ptt, 3722 NIG_REG_LLH_FUNC_FILTER_EN + i * sizeof(u32)); 3723 if (en) 3724 continue; 3725 qed_wr(p_hwfn, p_ptt, 3726 NIG_REG_LLH_FUNC_FILTER_VALUE + 3727 2 * i * sizeof(u32), low); 3728 qed_wr(p_hwfn, p_ptt, 3729 NIG_REG_LLH_FUNC_FILTER_VALUE + 3730 (2 * i + 1) * sizeof(u32), high); 3731 qed_wr(p_hwfn, p_ptt, 3732 NIG_REG_LLH_FUNC_FILTER_MODE + i * sizeof(u32), 1); 3733 qed_wr(p_hwfn, p_ptt, 3734 NIG_REG_LLH_FUNC_FILTER_PROTOCOL_TYPE + 3735 i * sizeof(u32), 1 << type); 3736 qed_wr(p_hwfn, p_ptt, 3737 NIG_REG_LLH_FUNC_FILTER_EN + i * sizeof(u32), 1); 3738 break; 3739 } 3740 if (i >= NIG_REG_LLH_FUNC_FILTER_EN_SIZE) { 3741 DP_NOTICE(p_hwfn, 3742 "Failed to find an empty LLH filter to utilize\n"); 3743 return -EINVAL; 3744 } 3745 switch (type) { 3746 case QED_LLH_FILTER_ETHERTYPE: 3747 DP_VERBOSE(p_hwfn, NETIF_MSG_HW, 3748 "ETH type %x is added at %d\n", 3749 source_port_or_eth_type, i); 3750 break; 3751 case QED_LLH_FILTER_TCP_SRC_PORT: 3752 DP_VERBOSE(p_hwfn, NETIF_MSG_HW, 3753 "TCP src port %x is added at %d\n", 3754 source_port_or_eth_type, i); 3755 break; 3756 case QED_LLH_FILTER_UDP_SRC_PORT: 3757 DP_VERBOSE(p_hwfn, NETIF_MSG_HW, 3758 "UDP src port %x is added at %d\n", 3759 source_port_or_eth_type, i); 3760 break; 3761 case QED_LLH_FILTER_TCP_DEST_PORT: 3762 DP_VERBOSE(p_hwfn, NETIF_MSG_HW, 3763 "TCP dst port %x is added at %d\n", dest_port, i); 3764 break; 3765 case QED_LLH_FILTER_UDP_DEST_PORT: 3766 DP_VERBOSE(p_hwfn, NETIF_MSG_HW, 3767 "UDP dst port %x is added at %d\n", dest_port, i); 3768 break; 3769 case QED_LLH_FILTER_TCP_SRC_AND_DEST_PORT: 3770 DP_VERBOSE(p_hwfn, NETIF_MSG_HW, 3771 "TCP src/dst ports %x/%x are added at %d\n", 3772 source_port_or_eth_type, dest_port, i); 3773 break; 3774 case QED_LLH_FILTER_UDP_SRC_AND_DEST_PORT: 3775 DP_VERBOSE(p_hwfn, NETIF_MSG_HW, 3776 "UDP src/dst ports %x/%x are added at %d\n", 3777 source_port_or_eth_type, dest_port, i); 3778 break; 3779 } 3780 return 0; 3781 } 3782 3783 void 3784 qed_llh_remove_protocol_filter(struct qed_hwfn *p_hwfn, 3785 struct qed_ptt *p_ptt, 3786 u16 source_port_or_eth_type, 3787 u16 dest_port, 3788 enum qed_llh_port_filter_type_t type) 3789 { 3790 u32 high = 0, low = 0; 3791 int i; 3792 3793 if (!test_bit(QED_MF_LLH_PROTO_CLSS, &p_hwfn->cdev->mf_bits)) 3794 return; 3795 3796 switch (type) { 3797 case QED_LLH_FILTER_ETHERTYPE: 3798 high = source_port_or_eth_type; 3799 break; 3800 case QED_LLH_FILTER_TCP_SRC_PORT: 3801 case QED_LLH_FILTER_UDP_SRC_PORT: 3802 low = source_port_or_eth_type << 16; 3803 break; 3804 case QED_LLH_FILTER_TCP_DEST_PORT: 3805 case QED_LLH_FILTER_UDP_DEST_PORT: 3806 low = dest_port; 3807 break; 3808 case QED_LLH_FILTER_TCP_SRC_AND_DEST_PORT: 3809 case QED_LLH_FILTER_UDP_SRC_AND_DEST_PORT: 3810 low = (source_port_or_eth_type << 16) | dest_port; 3811 break; 3812 default: 3813 DP_NOTICE(p_hwfn, 3814 "Non valid LLH protocol filter type %d\n", type); 3815 return; 3816 } 3817 3818 for (i = 0; i < NIG_REG_LLH_FUNC_FILTER_EN_SIZE; i++) { 3819 if (!qed_rd(p_hwfn, p_ptt, 3820 NIG_REG_LLH_FUNC_FILTER_EN + i * sizeof(u32))) 3821 continue; 3822 if (!qed_rd(p_hwfn, p_ptt, 3823 NIG_REG_LLH_FUNC_FILTER_MODE + i * sizeof(u32))) 3824 continue; 3825 if (!(qed_rd(p_hwfn, p_ptt, 3826 NIG_REG_LLH_FUNC_FILTER_PROTOCOL_TYPE + 3827 i * sizeof(u32)) & BIT(type))) 3828 continue; 3829 if (qed_rd(p_hwfn, p_ptt, 3830 NIG_REG_LLH_FUNC_FILTER_VALUE + 3831 2 * i * sizeof(u32)) != low) 3832 continue; 3833 if (qed_rd(p_hwfn, p_ptt, 3834 NIG_REG_LLH_FUNC_FILTER_VALUE + 3835 (2 * i + 1) * sizeof(u32)) != high) 3836 continue; 3837 3838 qed_wr(p_hwfn, p_ptt, 3839 NIG_REG_LLH_FUNC_FILTER_EN + i * sizeof(u32), 0); 3840 qed_wr(p_hwfn, p_ptt, 3841 NIG_REG_LLH_FUNC_FILTER_MODE + i * sizeof(u32), 0); 3842 qed_wr(p_hwfn, p_ptt, 3843 NIG_REG_LLH_FUNC_FILTER_PROTOCOL_TYPE + 3844 i * sizeof(u32), 0); 3845 qed_wr(p_hwfn, p_ptt, 3846 NIG_REG_LLH_FUNC_FILTER_VALUE + 2 * i * sizeof(u32), 0); 3847 qed_wr(p_hwfn, p_ptt, 3848 NIG_REG_LLH_FUNC_FILTER_VALUE + 3849 (2 * i + 1) * sizeof(u32), 0); 3850 break; 3851 } 3852 3853 if (i >= NIG_REG_LLH_FUNC_FILTER_EN_SIZE) 3854 DP_NOTICE(p_hwfn, "Tried to remove a non-configured filter\n"); 3855 } 3856 3857 static int qed_set_coalesce(struct qed_hwfn *p_hwfn, struct qed_ptt *p_ptt, 3858 u32 hw_addr, void *p_eth_qzone, 3859 size_t eth_qzone_size, u8 timeset) 3860 { 3861 struct coalescing_timeset *p_coal_timeset; 3862 3863 if (p_hwfn->cdev->int_coalescing_mode != QED_COAL_MODE_ENABLE) { 3864 DP_NOTICE(p_hwfn, "Coalescing configuration not enabled\n"); 3865 return -EINVAL; 3866 } 3867 3868 p_coal_timeset = p_eth_qzone; 3869 memset(p_eth_qzone, 0, eth_qzone_size); 3870 SET_FIELD(p_coal_timeset->value, COALESCING_TIMESET_TIMESET, timeset); 3871 SET_FIELD(p_coal_timeset->value, COALESCING_TIMESET_VALID, 1); 3872 qed_memcpy_to(p_hwfn, p_ptt, hw_addr, p_eth_qzone, eth_qzone_size); 3873 3874 return 0; 3875 } 3876 3877 int qed_set_queue_coalesce(u16 rx_coal, u16 tx_coal, void *p_handle) 3878 { 3879 struct qed_queue_cid *p_cid = p_handle; 3880 struct qed_hwfn *p_hwfn; 3881 struct qed_ptt *p_ptt; 3882 int rc = 0; 3883 3884 p_hwfn = p_cid->p_owner; 3885 3886 if (IS_VF(p_hwfn->cdev)) 3887 return qed_vf_pf_set_coalesce(p_hwfn, rx_coal, tx_coal, p_cid); 3888 3889 p_ptt = qed_ptt_acquire(p_hwfn); 3890 if (!p_ptt) 3891 return -EAGAIN; 3892 3893 if (rx_coal) { 3894 rc = qed_set_rxq_coalesce(p_hwfn, p_ptt, rx_coal, p_cid); 3895 if (rc) 3896 goto out; 3897 p_hwfn->cdev->rx_coalesce_usecs = rx_coal; 3898 } 3899 3900 if (tx_coal) { 3901 rc = qed_set_txq_coalesce(p_hwfn, p_ptt, tx_coal, p_cid); 3902 if (rc) 3903 goto out; 3904 p_hwfn->cdev->tx_coalesce_usecs = tx_coal; 3905 } 3906 out: 3907 qed_ptt_release(p_hwfn, p_ptt); 3908 return rc; 3909 } 3910 3911 int qed_set_rxq_coalesce(struct qed_hwfn *p_hwfn, 3912 struct qed_ptt *p_ptt, 3913 u16 coalesce, struct qed_queue_cid *p_cid) 3914 { 3915 struct ustorm_eth_queue_zone eth_qzone; 3916 u8 timeset, timer_res; 3917 u32 address; 3918 int rc; 3919 3920 /* Coalesce = (timeset << timer-resolution), timeset is 7bit wide */ 3921 if (coalesce <= 0x7F) { 3922 timer_res = 0; 3923 } else if (coalesce <= 0xFF) { 3924 timer_res = 1; 3925 } else if (coalesce <= 0x1FF) { 3926 timer_res = 2; 3927 } else { 3928 DP_ERR(p_hwfn, "Invalid coalesce value - %d\n", coalesce); 3929 return -EINVAL; 3930 } 3931 timeset = (u8)(coalesce >> timer_res); 3932 3933 rc = qed_int_set_timer_res(p_hwfn, p_ptt, timer_res, 3934 p_cid->sb_igu_id, false); 3935 if (rc) 3936 goto out; 3937 3938 address = BAR0_MAP_REG_USDM_RAM + 3939 USTORM_ETH_QUEUE_ZONE_OFFSET(p_cid->abs.queue_id); 3940 3941 rc = qed_set_coalesce(p_hwfn, p_ptt, address, ð_qzone, 3942 sizeof(struct ustorm_eth_queue_zone), timeset); 3943 if (rc) 3944 goto out; 3945 3946 out: 3947 return rc; 3948 } 3949 3950 int qed_set_txq_coalesce(struct qed_hwfn *p_hwfn, 3951 struct qed_ptt *p_ptt, 3952 u16 coalesce, struct qed_queue_cid *p_cid) 3953 { 3954 struct xstorm_eth_queue_zone eth_qzone; 3955 u8 timeset, timer_res; 3956 u32 address; 3957 int rc; 3958 3959 /* Coalesce = (timeset << timer-resolution), timeset is 7bit wide */ 3960 if (coalesce <= 0x7F) { 3961 timer_res = 0; 3962 } else if (coalesce <= 0xFF) { 3963 timer_res = 1; 3964 } else if (coalesce <= 0x1FF) { 3965 timer_res = 2; 3966 } else { 3967 DP_ERR(p_hwfn, "Invalid coalesce value - %d\n", coalesce); 3968 return -EINVAL; 3969 } 3970 timeset = (u8)(coalesce >> timer_res); 3971 3972 rc = qed_int_set_timer_res(p_hwfn, p_ptt, timer_res, 3973 p_cid->sb_igu_id, true); 3974 if (rc) 3975 goto out; 3976 3977 address = BAR0_MAP_REG_XSDM_RAM + 3978 XSTORM_ETH_QUEUE_ZONE_OFFSET(p_cid->abs.queue_id); 3979 3980 rc = qed_set_coalesce(p_hwfn, p_ptt, address, ð_qzone, 3981 sizeof(struct xstorm_eth_queue_zone), timeset); 3982 out: 3983 return rc; 3984 } 3985 3986 /* Calculate final WFQ values for all vports and configure them. 3987 * After this configuration each vport will have 3988 * approx min rate = min_pf_rate * (vport_wfq / QED_WFQ_UNIT) 3989 */ 3990 static void qed_configure_wfq_for_all_vports(struct qed_hwfn *p_hwfn, 3991 struct qed_ptt *p_ptt, 3992 u32 min_pf_rate) 3993 { 3994 struct init_qm_vport_params *vport_params; 3995 int i; 3996 3997 vport_params = p_hwfn->qm_info.qm_vport_params; 3998 3999 for (i = 0; i < p_hwfn->qm_info.num_vports; i++) { 4000 u32 wfq_speed = p_hwfn->qm_info.wfq_data[i].min_speed; 4001 4002 vport_params[i].vport_wfq = (wfq_speed * QED_WFQ_UNIT) / 4003 min_pf_rate; 4004 qed_init_vport_wfq(p_hwfn, p_ptt, 4005 vport_params[i].first_tx_pq_id, 4006 vport_params[i].vport_wfq); 4007 } 4008 } 4009 4010 static void qed_init_wfq_default_param(struct qed_hwfn *p_hwfn, 4011 u32 min_pf_rate) 4012 4013 { 4014 int i; 4015 4016 for (i = 0; i < p_hwfn->qm_info.num_vports; i++) 4017 p_hwfn->qm_info.qm_vport_params[i].vport_wfq = 1; 4018 } 4019 4020 static void qed_disable_wfq_for_all_vports(struct qed_hwfn *p_hwfn, 4021 struct qed_ptt *p_ptt, 4022 u32 min_pf_rate) 4023 { 4024 struct init_qm_vport_params *vport_params; 4025 int i; 4026 4027 vport_params = p_hwfn->qm_info.qm_vport_params; 4028 4029 for (i = 0; i < p_hwfn->qm_info.num_vports; i++) { 4030 qed_init_wfq_default_param(p_hwfn, min_pf_rate); 4031 qed_init_vport_wfq(p_hwfn, p_ptt, 4032 vport_params[i].first_tx_pq_id, 4033 vport_params[i].vport_wfq); 4034 } 4035 } 4036 4037 /* This function performs several validations for WFQ 4038 * configuration and required min rate for a given vport 4039 * 1. req_rate must be greater than one percent of min_pf_rate. 4040 * 2. req_rate should not cause other vports [not configured for WFQ explicitly] 4041 * rates to get less than one percent of min_pf_rate. 4042 * 3. total_req_min_rate [all vports min rate sum] shouldn't exceed min_pf_rate. 4043 */ 4044 static int qed_init_wfq_param(struct qed_hwfn *p_hwfn, 4045 u16 vport_id, u32 req_rate, u32 min_pf_rate) 4046 { 4047 u32 total_req_min_rate = 0, total_left_rate = 0, left_rate_per_vp = 0; 4048 int non_requested_count = 0, req_count = 0, i, num_vports; 4049 4050 num_vports = p_hwfn->qm_info.num_vports; 4051 4052 /* Accounting for the vports which are configured for WFQ explicitly */ 4053 for (i = 0; i < num_vports; i++) { 4054 u32 tmp_speed; 4055 4056 if ((i != vport_id) && 4057 p_hwfn->qm_info.wfq_data[i].configured) { 4058 req_count++; 4059 tmp_speed = p_hwfn->qm_info.wfq_data[i].min_speed; 4060 total_req_min_rate += tmp_speed; 4061 } 4062 } 4063 4064 /* Include current vport data as well */ 4065 req_count++; 4066 total_req_min_rate += req_rate; 4067 non_requested_count = num_vports - req_count; 4068 4069 if (req_rate < min_pf_rate / QED_WFQ_UNIT) { 4070 DP_VERBOSE(p_hwfn, NETIF_MSG_LINK, 4071 "Vport [%d] - Requested rate[%d Mbps] is less than one percent of configured PF min rate[%d Mbps]\n", 4072 vport_id, req_rate, min_pf_rate); 4073 return -EINVAL; 4074 } 4075 4076 if (num_vports > QED_WFQ_UNIT) { 4077 DP_VERBOSE(p_hwfn, NETIF_MSG_LINK, 4078 "Number of vports is greater than %d\n", 4079 QED_WFQ_UNIT); 4080 return -EINVAL; 4081 } 4082 4083 if (total_req_min_rate > min_pf_rate) { 4084 DP_VERBOSE(p_hwfn, NETIF_MSG_LINK, 4085 "Total requested min rate for all vports[%d Mbps] is greater than configured PF min rate[%d Mbps]\n", 4086 total_req_min_rate, min_pf_rate); 4087 return -EINVAL; 4088 } 4089 4090 total_left_rate = min_pf_rate - total_req_min_rate; 4091 4092 left_rate_per_vp = total_left_rate / non_requested_count; 4093 if (left_rate_per_vp < min_pf_rate / QED_WFQ_UNIT) { 4094 DP_VERBOSE(p_hwfn, NETIF_MSG_LINK, 4095 "Non WFQ configured vports rate [%d Mbps] is less than one percent of configured PF min rate[%d Mbps]\n", 4096 left_rate_per_vp, min_pf_rate); 4097 return -EINVAL; 4098 } 4099 4100 p_hwfn->qm_info.wfq_data[vport_id].min_speed = req_rate; 4101 p_hwfn->qm_info.wfq_data[vport_id].configured = true; 4102 4103 for (i = 0; i < num_vports; i++) { 4104 if (p_hwfn->qm_info.wfq_data[i].configured) 4105 continue; 4106 4107 p_hwfn->qm_info.wfq_data[i].min_speed = left_rate_per_vp; 4108 } 4109 4110 return 0; 4111 } 4112 4113 static int __qed_configure_vport_wfq(struct qed_hwfn *p_hwfn, 4114 struct qed_ptt *p_ptt, u16 vp_id, u32 rate) 4115 { 4116 struct qed_mcp_link_state *p_link; 4117 int rc = 0; 4118 4119 p_link = &p_hwfn->cdev->hwfns[0].mcp_info->link_output; 4120 4121 if (!p_link->min_pf_rate) { 4122 p_hwfn->qm_info.wfq_data[vp_id].min_speed = rate; 4123 p_hwfn->qm_info.wfq_data[vp_id].configured = true; 4124 return rc; 4125 } 4126 4127 rc = qed_init_wfq_param(p_hwfn, vp_id, rate, p_link->min_pf_rate); 4128 4129 if (!rc) 4130 qed_configure_wfq_for_all_vports(p_hwfn, p_ptt, 4131 p_link->min_pf_rate); 4132 else 4133 DP_NOTICE(p_hwfn, 4134 "Validation failed while configuring min rate\n"); 4135 4136 return rc; 4137 } 4138 4139 static int __qed_configure_vp_wfq_on_link_change(struct qed_hwfn *p_hwfn, 4140 struct qed_ptt *p_ptt, 4141 u32 min_pf_rate) 4142 { 4143 bool use_wfq = false; 4144 int rc = 0; 4145 u16 i; 4146 4147 /* Validate all pre configured vports for wfq */ 4148 for (i = 0; i < p_hwfn->qm_info.num_vports; i++) { 4149 u32 rate; 4150 4151 if (!p_hwfn->qm_info.wfq_data[i].configured) 4152 continue; 4153 4154 rate = p_hwfn->qm_info.wfq_data[i].min_speed; 4155 use_wfq = true; 4156 4157 rc = qed_init_wfq_param(p_hwfn, i, rate, min_pf_rate); 4158 if (rc) { 4159 DP_NOTICE(p_hwfn, 4160 "WFQ validation failed while configuring min rate\n"); 4161 break; 4162 } 4163 } 4164 4165 if (!rc && use_wfq) 4166 qed_configure_wfq_for_all_vports(p_hwfn, p_ptt, min_pf_rate); 4167 else 4168 qed_disable_wfq_for_all_vports(p_hwfn, p_ptt, min_pf_rate); 4169 4170 return rc; 4171 } 4172 4173 /* Main API for qed clients to configure vport min rate. 4174 * vp_id - vport id in PF Range[0 - (total_num_vports_per_pf - 1)] 4175 * rate - Speed in Mbps needs to be assigned to a given vport. 4176 */ 4177 int qed_configure_vport_wfq(struct qed_dev *cdev, u16 vp_id, u32 rate) 4178 { 4179 int i, rc = -EINVAL; 4180 4181 /* Currently not supported; Might change in future */ 4182 if (cdev->num_hwfns > 1) { 4183 DP_NOTICE(cdev, 4184 "WFQ configuration is not supported for this device\n"); 4185 return rc; 4186 } 4187 4188 for_each_hwfn(cdev, i) { 4189 struct qed_hwfn *p_hwfn = &cdev->hwfns[i]; 4190 struct qed_ptt *p_ptt; 4191 4192 p_ptt = qed_ptt_acquire(p_hwfn); 4193 if (!p_ptt) 4194 return -EBUSY; 4195 4196 rc = __qed_configure_vport_wfq(p_hwfn, p_ptt, vp_id, rate); 4197 4198 if (rc) { 4199 qed_ptt_release(p_hwfn, p_ptt); 4200 return rc; 4201 } 4202 4203 qed_ptt_release(p_hwfn, p_ptt); 4204 } 4205 4206 return rc; 4207 } 4208 4209 /* API to configure WFQ from mcp link change */ 4210 void qed_configure_vp_wfq_on_link_change(struct qed_dev *cdev, 4211 struct qed_ptt *p_ptt, u32 min_pf_rate) 4212 { 4213 int i; 4214 4215 if (cdev->num_hwfns > 1) { 4216 DP_VERBOSE(cdev, 4217 NETIF_MSG_LINK, 4218 "WFQ configuration is not supported for this device\n"); 4219 return; 4220 } 4221 4222 for_each_hwfn(cdev, i) { 4223 struct qed_hwfn *p_hwfn = &cdev->hwfns[i]; 4224 4225 __qed_configure_vp_wfq_on_link_change(p_hwfn, p_ptt, 4226 min_pf_rate); 4227 } 4228 } 4229 4230 int __qed_configure_pf_max_bandwidth(struct qed_hwfn *p_hwfn, 4231 struct qed_ptt *p_ptt, 4232 struct qed_mcp_link_state *p_link, 4233 u8 max_bw) 4234 { 4235 int rc = 0; 4236 4237 p_hwfn->mcp_info->func_info.bandwidth_max = max_bw; 4238 4239 if (!p_link->line_speed && (max_bw != 100)) 4240 return rc; 4241 4242 p_link->speed = (p_link->line_speed * max_bw) / 100; 4243 p_hwfn->qm_info.pf_rl = p_link->speed; 4244 4245 /* Since the limiter also affects Tx-switched traffic, we don't want it 4246 * to limit such traffic in case there's no actual limit. 4247 * In that case, set limit to imaginary high boundary. 4248 */ 4249 if (max_bw == 100) 4250 p_hwfn->qm_info.pf_rl = 100000; 4251 4252 rc = qed_init_pf_rl(p_hwfn, p_ptt, p_hwfn->rel_pf_id, 4253 p_hwfn->qm_info.pf_rl); 4254 4255 DP_VERBOSE(p_hwfn, NETIF_MSG_LINK, 4256 "Configured MAX bandwidth to be %08x Mb/sec\n", 4257 p_link->speed); 4258 4259 return rc; 4260 } 4261 4262 /* Main API to configure PF max bandwidth where bw range is [1 - 100] */ 4263 int qed_configure_pf_max_bandwidth(struct qed_dev *cdev, u8 max_bw) 4264 { 4265 int i, rc = -EINVAL; 4266 4267 if (max_bw < 1 || max_bw > 100) { 4268 DP_NOTICE(cdev, "PF max bw valid range is [1-100]\n"); 4269 return rc; 4270 } 4271 4272 for_each_hwfn(cdev, i) { 4273 struct qed_hwfn *p_hwfn = &cdev->hwfns[i]; 4274 struct qed_hwfn *p_lead = QED_LEADING_HWFN(cdev); 4275 struct qed_mcp_link_state *p_link; 4276 struct qed_ptt *p_ptt; 4277 4278 p_link = &p_lead->mcp_info->link_output; 4279 4280 p_ptt = qed_ptt_acquire(p_hwfn); 4281 if (!p_ptt) 4282 return -EBUSY; 4283 4284 rc = __qed_configure_pf_max_bandwidth(p_hwfn, p_ptt, 4285 p_link, max_bw); 4286 4287 qed_ptt_release(p_hwfn, p_ptt); 4288 4289 if (rc) 4290 break; 4291 } 4292 4293 return rc; 4294 } 4295 4296 int __qed_configure_pf_min_bandwidth(struct qed_hwfn *p_hwfn, 4297 struct qed_ptt *p_ptt, 4298 struct qed_mcp_link_state *p_link, 4299 u8 min_bw) 4300 { 4301 int rc = 0; 4302 4303 p_hwfn->mcp_info->func_info.bandwidth_min = min_bw; 4304 p_hwfn->qm_info.pf_wfq = min_bw; 4305 4306 if (!p_link->line_speed) 4307 return rc; 4308 4309 p_link->min_pf_rate = (p_link->line_speed * min_bw) / 100; 4310 4311 rc = qed_init_pf_wfq(p_hwfn, p_ptt, p_hwfn->rel_pf_id, min_bw); 4312 4313 DP_VERBOSE(p_hwfn, NETIF_MSG_LINK, 4314 "Configured MIN bandwidth to be %d Mb/sec\n", 4315 p_link->min_pf_rate); 4316 4317 return rc; 4318 } 4319 4320 /* Main API to configure PF min bandwidth where bw range is [1-100] */ 4321 int qed_configure_pf_min_bandwidth(struct qed_dev *cdev, u8 min_bw) 4322 { 4323 int i, rc = -EINVAL; 4324 4325 if (min_bw < 1 || min_bw > 100) { 4326 DP_NOTICE(cdev, "PF min bw valid range is [1-100]\n"); 4327 return rc; 4328 } 4329 4330 for_each_hwfn(cdev, i) { 4331 struct qed_hwfn *p_hwfn = &cdev->hwfns[i]; 4332 struct qed_hwfn *p_lead = QED_LEADING_HWFN(cdev); 4333 struct qed_mcp_link_state *p_link; 4334 struct qed_ptt *p_ptt; 4335 4336 p_link = &p_lead->mcp_info->link_output; 4337 4338 p_ptt = qed_ptt_acquire(p_hwfn); 4339 if (!p_ptt) 4340 return -EBUSY; 4341 4342 rc = __qed_configure_pf_min_bandwidth(p_hwfn, p_ptt, 4343 p_link, min_bw); 4344 if (rc) { 4345 qed_ptt_release(p_hwfn, p_ptt); 4346 return rc; 4347 } 4348 4349 if (p_link->min_pf_rate) { 4350 u32 min_rate = p_link->min_pf_rate; 4351 4352 rc = __qed_configure_vp_wfq_on_link_change(p_hwfn, 4353 p_ptt, 4354 min_rate); 4355 } 4356 4357 qed_ptt_release(p_hwfn, p_ptt); 4358 } 4359 4360 return rc; 4361 } 4362 4363 void qed_clean_wfq_db(struct qed_hwfn *p_hwfn, struct qed_ptt *p_ptt) 4364 { 4365 struct qed_mcp_link_state *p_link; 4366 4367 p_link = &p_hwfn->mcp_info->link_output; 4368 4369 if (p_link->min_pf_rate) 4370 qed_disable_wfq_for_all_vports(p_hwfn, p_ptt, 4371 p_link->min_pf_rate); 4372 4373 memset(p_hwfn->qm_info.wfq_data, 0, 4374 sizeof(*p_hwfn->qm_info.wfq_data) * p_hwfn->qm_info.num_vports); 4375 } 4376 4377 int qed_device_num_engines(struct qed_dev *cdev) 4378 { 4379 return QED_IS_BB(cdev) ? 2 : 1; 4380 } 4381 4382 static int qed_device_num_ports(struct qed_dev *cdev) 4383 { 4384 /* in CMT always only one port */ 4385 if (cdev->num_hwfns > 1) 4386 return 1; 4387 4388 return cdev->num_ports_in_engine * qed_device_num_engines(cdev); 4389 } 4390 4391 int qed_device_get_port_id(struct qed_dev *cdev) 4392 { 4393 return (QED_LEADING_HWFN(cdev)->abs_pf_id) % qed_device_num_ports(cdev); 4394 } 4395 4396 void qed_set_fw_mac_addr(__le16 *fw_msb, 4397 __le16 *fw_mid, __le16 *fw_lsb, u8 *mac) 4398 { 4399 ((u8 *)fw_msb)[0] = mac[1]; 4400 ((u8 *)fw_msb)[1] = mac[0]; 4401 ((u8 *)fw_mid)[0] = mac[3]; 4402 ((u8 *)fw_mid)[1] = mac[2]; 4403 ((u8 *)fw_lsb)[0] = mac[5]; 4404 ((u8 *)fw_lsb)[1] = mac[4]; 4405 } 4406