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sys/dev/qlnx/qlnxe/ecore_hw.c
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1 /* 2 * Copyright (c) 2017-2018 Cavium, Inc. 3 * All rights reserved. 4 * 5 * Redistribution and use in source and binary forms, with or without 6 * modification, are permitted provided that the following conditions 7 * are met: 8 * 9 * 1. Redistributions of source code must retain the above copyright 10 * notice, this list of conditions and the following disclaimer. 11 * 2. Redistributions in binary form must reproduce the above copyright 12 * notice, this list of conditions and the following disclaimer in the 13 * documentation and/or other materials provided with the distribution. 14 * 15 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" 16 * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 17 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 18 * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE 19 * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR 20 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF 21 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS 22 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN 23 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) 24 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE 25 * POSSIBILITY OF SUCH DAMAGE. 26 */ 27 28 /* 29 * File : ecore_hw.c 30 */ 31 #include <sys/cdefs.h> 32 __FBSDID("$FreeBSD$"); 33 34 #include "bcm_osal.h" 35 #include "ecore_hsi_common.h" 36 #include "ecore_status.h" 37 #include "ecore.h" 38 #include "ecore_hw.h" 39 #include "reg_addr.h" 40 #include "ecore_utils.h" 41 #include "ecore_iov_api.h" 42 43 #ifdef _NTDDK_ 44 #pragma warning(push) 45 #pragma warning(disable : 28167) 46 #pragma warning(disable : 28123) 47 #pragma warning(disable : 28121) 48 #endif 49 50 #ifndef ASIC_ONLY 51 #define ECORE_EMUL_FACTOR 2000 52 #define ECORE_FPGA_FACTOR 200 53 #endif 54 55 #define ECORE_BAR_ACQUIRE_TIMEOUT 1000 56 57 /* Invalid values */ 58 #define ECORE_BAR_INVALID_OFFSET (OSAL_CPU_TO_LE32(-1)) 59 60 struct ecore_ptt { 61 osal_list_entry_t list_entry; 62 unsigned int idx; 63 struct pxp_ptt_entry pxp; 64 u8 hwfn_id; 65 }; 66 67 struct ecore_ptt_pool { 68 osal_list_t free_list; 69 osal_spinlock_t lock; /* ptt synchronized access */ 70 struct ecore_ptt ptts[PXP_EXTERNAL_BAR_PF_WINDOW_NUM]; 71 }; 72 73 static void __ecore_ptt_pool_free(struct ecore_hwfn *p_hwfn) 74 { 75 OSAL_FREE(p_hwfn->p_dev, p_hwfn->p_ptt_pool); 76 p_hwfn->p_ptt_pool = OSAL_NULL; 77 } 78 79 enum _ecore_status_t ecore_ptt_pool_alloc(struct ecore_hwfn *p_hwfn) 80 { 81 struct ecore_ptt_pool *p_pool = OSAL_ALLOC(p_hwfn->p_dev, 82 GFP_KERNEL, 83 sizeof(*p_pool)); 84 int i; 85 86 if (!p_pool) 87 return ECORE_NOMEM; 88 89 OSAL_LIST_INIT(&p_pool->free_list); 90 for (i = 0; i < PXP_EXTERNAL_BAR_PF_WINDOW_NUM; i++) { 91 p_pool->ptts[i].idx = i; 92 p_pool->ptts[i].pxp.offset = ECORE_BAR_INVALID_OFFSET; 93 p_pool->ptts[i].pxp.pretend.control = 0; 94 p_pool->ptts[i].hwfn_id = p_hwfn->my_id; 95 96 /* There are special PTT entries that are taken only by design. 97 * The rest are added ot the list for general usage. 98 */ 99 if (i >= RESERVED_PTT_MAX) 100 OSAL_LIST_PUSH_HEAD(&p_pool->ptts[i].list_entry, 101 &p_pool->free_list); 102 } 103 104 p_hwfn->p_ptt_pool = p_pool; 105 #ifdef CONFIG_ECORE_LOCK_ALLOC 106 if (OSAL_SPIN_LOCK_ALLOC(p_hwfn, &p_pool->lock)) { 107 __ecore_ptt_pool_free(p_hwfn); 108 return ECORE_NOMEM; 109 } 110 #endif 111 OSAL_SPIN_LOCK_INIT(&p_pool->lock); 112 return ECORE_SUCCESS; 113 } 114 115 void ecore_ptt_invalidate(struct ecore_hwfn *p_hwfn) 116 { 117 struct ecore_ptt *p_ptt; 118 int i; 119 120 for (i = 0; i < PXP_EXTERNAL_BAR_PF_WINDOW_NUM; i++) { 121 p_ptt = &p_hwfn->p_ptt_pool->ptts[i]; 122 p_ptt->pxp.offset = ECORE_BAR_INVALID_OFFSET; 123 } 124 } 125 126 void ecore_ptt_pool_free(struct ecore_hwfn *p_hwfn) 127 { 128 #ifdef CONFIG_ECORE_LOCK_ALLOC 129 if (p_hwfn->p_ptt_pool) 130 OSAL_SPIN_LOCK_DEALLOC(&p_hwfn->p_ptt_pool->lock); 131 #endif 132 __ecore_ptt_pool_free(p_hwfn); 133 } 134 135 struct ecore_ptt *ecore_ptt_acquire(struct ecore_hwfn *p_hwfn) 136 { 137 struct ecore_ptt *p_ptt; 138 unsigned int i; 139 140 /* Take the free PTT from the list */ 141 for (i = 0; i < ECORE_BAR_ACQUIRE_TIMEOUT; i++) { 142 OSAL_SPIN_LOCK(&p_hwfn->p_ptt_pool->lock); 143 144 if (!OSAL_LIST_IS_EMPTY(&p_hwfn->p_ptt_pool->free_list)) { 145 p_ptt = OSAL_LIST_FIRST_ENTRY(&p_hwfn->p_ptt_pool->free_list, 146 struct ecore_ptt, list_entry); 147 OSAL_LIST_REMOVE_ENTRY(&p_ptt->list_entry, 148 &p_hwfn->p_ptt_pool->free_list); 149 150 OSAL_SPIN_UNLOCK(&p_hwfn->p_ptt_pool->lock); 151 152 DP_VERBOSE(p_hwfn, ECORE_MSG_HW, 153 "allocated ptt %d\n", p_ptt->idx); 154 155 return p_ptt; 156 } 157 158 OSAL_SPIN_UNLOCK(&p_hwfn->p_ptt_pool->lock); 159 OSAL_MSLEEP(1); 160 } 161 162 DP_NOTICE(p_hwfn, true, "PTT acquire timeout - failed to allocate PTT\n"); 163 return OSAL_NULL; 164 } 165 166 void ecore_ptt_release(struct ecore_hwfn *p_hwfn, 167 struct ecore_ptt *p_ptt) { 168 /* This PTT should not be set to pretend if it is being released */ 169 /* TODO - add some pretend sanity checks, to make sure pretend isn't set on this ptt */ 170 171 OSAL_SPIN_LOCK(&p_hwfn->p_ptt_pool->lock); 172 OSAL_LIST_PUSH_HEAD(&p_ptt->list_entry, &p_hwfn->p_ptt_pool->free_list); 173 OSAL_SPIN_UNLOCK(&p_hwfn->p_ptt_pool->lock); 174 } 175 176 static u32 ecore_ptt_get_hw_addr(struct ecore_ptt *p_ptt) 177 { 178 /* The HW is using DWORDS and we need to translate it to Bytes */ 179 return OSAL_LE32_TO_CPU(p_ptt->pxp.offset) << 2; 180 } 181 182 static u32 ecore_ptt_config_addr(struct ecore_ptt *p_ptt) 183 { 184 return PXP_PF_WINDOW_ADMIN_PER_PF_START + 185 p_ptt->idx * sizeof(struct pxp_ptt_entry); 186 } 187 188 u32 ecore_ptt_get_bar_addr(struct ecore_ptt *p_ptt) 189 { 190 return PXP_EXTERNAL_BAR_PF_WINDOW_START + 191 p_ptt->idx * PXP_EXTERNAL_BAR_PF_WINDOW_SINGLE_SIZE; 192 } 193 194 void ecore_ptt_set_win(struct ecore_hwfn *p_hwfn, 195 struct ecore_ptt *p_ptt, 196 u32 new_hw_addr) 197 { 198 u32 prev_hw_addr; 199 200 prev_hw_addr = ecore_ptt_get_hw_addr(p_ptt); 201 202 if (new_hw_addr == prev_hw_addr) 203 return; 204 205 /* Update PTT entery in admin window */ 206 DP_VERBOSE(p_hwfn, ECORE_MSG_HW, 207 "Updating PTT entry %d to offset 0x%x\n", 208 p_ptt->idx, new_hw_addr); 209 210 /* The HW is using DWORDS and the address is in Bytes */ 211 p_ptt->pxp.offset = OSAL_CPU_TO_LE32(new_hw_addr >> 2); 212 213 REG_WR(p_hwfn, 214 ecore_ptt_config_addr(p_ptt) + 215 OFFSETOF(struct pxp_ptt_entry, offset), 216 OSAL_LE32_TO_CPU(p_ptt->pxp.offset)); 217 } 218 219 static u32 ecore_set_ptt(struct ecore_hwfn *p_hwfn, 220 struct ecore_ptt *p_ptt, 221 u32 hw_addr) 222 { 223 u32 win_hw_addr = ecore_ptt_get_hw_addr(p_ptt); 224 u32 offset; 225 226 offset = hw_addr - win_hw_addr; 227 228 if (p_ptt->hwfn_id != p_hwfn->my_id) 229 DP_NOTICE(p_hwfn, true, 230 "ptt[%d] of hwfn[%02x] is used by hwfn[%02x]!\n", 231 p_ptt->idx, p_ptt->hwfn_id, p_hwfn->my_id); 232 233 /* Verify the address is within the window */ 234 if (hw_addr < win_hw_addr || 235 offset >= PXP_EXTERNAL_BAR_PF_WINDOW_SINGLE_SIZE) { 236 ecore_ptt_set_win(p_hwfn, p_ptt, hw_addr); 237 offset = 0; 238 } 239 240 return ecore_ptt_get_bar_addr(p_ptt) + offset; 241 } 242 243 struct ecore_ptt *ecore_get_reserved_ptt(struct ecore_hwfn *p_hwfn, 244 enum reserved_ptts ptt_idx) 245 { 246 if (ptt_idx >= RESERVED_PTT_MAX) { 247 DP_NOTICE(p_hwfn, true, 248 "Requested PTT %d is out of range\n", ptt_idx); 249 return OSAL_NULL; 250 } 251 252 return &p_hwfn->p_ptt_pool->ptts[ptt_idx]; 253 } 254 255 static bool ecore_is_reg_fifo_empty(struct ecore_hwfn *p_hwfn, 256 struct ecore_ptt *p_ptt) 257 { 258 bool is_empty = true; 259 u32 bar_addr; 260 261 if (!p_hwfn->p_dev->chk_reg_fifo) 262 goto out; 263 264 /* ecore_rd() cannot be used here since it calls this function */ 265 bar_addr = ecore_set_ptt(p_hwfn, p_ptt, GRC_REG_TRACE_FIFO_VALID_DATA); 266 is_empty = REG_RD(p_hwfn, bar_addr) == 0; 267 268 #ifndef ASIC_ONLY 269 if (CHIP_REV_IS_SLOW(p_hwfn->p_dev)) 270 OSAL_UDELAY(100); 271 #endif 272 273 out: 274 return is_empty; 275 } 276 277 void ecore_wr(struct ecore_hwfn *p_hwfn, struct ecore_ptt *p_ptt, u32 hw_addr, 278 u32 val) 279 { 280 bool prev_fifo_err; 281 u32 bar_addr; 282 283 prev_fifo_err = !ecore_is_reg_fifo_empty(p_hwfn, p_ptt); 284 285 bar_addr = ecore_set_ptt(p_hwfn, p_ptt, hw_addr); 286 REG_WR(p_hwfn, bar_addr, val); 287 DP_VERBOSE(p_hwfn, ECORE_MSG_HW, 288 "bar_addr 0x%x, hw_addr 0x%x, val 0x%x\n", 289 bar_addr, hw_addr, val); 290 291 #ifndef ASIC_ONLY 292 if (CHIP_REV_IS_SLOW(p_hwfn->p_dev)) 293 OSAL_UDELAY(100); 294 #endif 295 296 OSAL_WARN(!prev_fifo_err && !ecore_is_reg_fifo_empty(p_hwfn, p_ptt), 297 "reg_fifo error was caused by a call to ecore_wr(0x%x, 0x%x)\n", 298 hw_addr, val); 299 } 300 301 u32 ecore_rd(struct ecore_hwfn *p_hwfn, struct ecore_ptt *p_ptt, u32 hw_addr) 302 { 303 bool prev_fifo_err; 304 u32 bar_addr, val; 305 306 prev_fifo_err = !ecore_is_reg_fifo_empty(p_hwfn, p_ptt); 307 308 bar_addr = ecore_set_ptt(p_hwfn, p_ptt, hw_addr); 309 val = REG_RD(p_hwfn, bar_addr); 310 311 DP_VERBOSE(p_hwfn, ECORE_MSG_HW, 312 "bar_addr 0x%x, hw_addr 0x%x, val 0x%x\n", 313 bar_addr, hw_addr, val); 314 315 #ifndef ASIC_ONLY 316 if (CHIP_REV_IS_SLOW(p_hwfn->p_dev)) 317 OSAL_UDELAY(100); 318 #endif 319 320 OSAL_WARN(!prev_fifo_err && !ecore_is_reg_fifo_empty(p_hwfn, p_ptt), 321 "reg_fifo error was caused by a call to ecore_rd(0x%x)\n", 322 hw_addr); 323 324 return val; 325 } 326 327 static void ecore_memcpy_hw(struct ecore_hwfn *p_hwfn, 328 struct ecore_ptt *p_ptt, 329 void *addr, 330 u32 hw_addr, 331 osal_size_t n, 332 bool to_device) 333 { 334 u32 dw_count, *host_addr, hw_offset; 335 osal_size_t quota, done = 0; 336 u32 OSAL_IOMEM *reg_addr; 337 338 while (done < n) { 339 quota = OSAL_MIN_T(osal_size_t, n - done, 340 PXP_EXTERNAL_BAR_PF_WINDOW_SINGLE_SIZE); 341 342 if (IS_PF(p_hwfn->p_dev)) { 343 ecore_ptt_set_win(p_hwfn, p_ptt, hw_addr + done); 344 hw_offset = ecore_ptt_get_bar_addr(p_ptt); 345 } else { 346 hw_offset = hw_addr + done; 347 } 348 349 dw_count = quota / 4; 350 host_addr = (u32 *)((u8 *)addr + done); 351 reg_addr = (u32 OSAL_IOMEM *)OSAL_REG_ADDR(p_hwfn, hw_offset); 352 353 if (to_device) 354 while (dw_count--) 355 DIRECT_REG_WR(p_hwfn, reg_addr++, *host_addr++); 356 else 357 while (dw_count--) 358 *host_addr++ = DIRECT_REG_RD(p_hwfn, 359 reg_addr++); 360 361 done += quota; 362 } 363 } 364 365 void ecore_memcpy_from(struct ecore_hwfn *p_hwfn, 366 struct ecore_ptt *p_ptt, 367 void *dest, u32 hw_addr, osal_size_t n) 368 { 369 DP_VERBOSE(p_hwfn, ECORE_MSG_HW, 370 "hw_addr 0x%x, dest %p hw_addr 0x%x, size %lu\n", 371 hw_addr, dest, hw_addr, (unsigned long) n); 372 373 ecore_memcpy_hw(p_hwfn, p_ptt, dest, hw_addr, n, false); 374 } 375 376 void ecore_memcpy_to(struct ecore_hwfn *p_hwfn, 377 struct ecore_ptt *p_ptt, 378 u32 hw_addr, void *src, osal_size_t n) 379 { 380 DP_VERBOSE(p_hwfn, ECORE_MSG_HW, 381 "hw_addr 0x%x, hw_addr 0x%x, src %p size %lu\n", 382 hw_addr, hw_addr, src, (unsigned long)n); 383 384 ecore_memcpy_hw(p_hwfn, p_ptt, src, hw_addr, n, true); 385 } 386 387 void ecore_fid_pretend(struct ecore_hwfn *p_hwfn, 388 struct ecore_ptt *p_ptt, u16 fid) 389 { 390 u16 control = 0; 391 392 SET_FIELD(control, PXP_PRETEND_CMD_IS_CONCRETE, 1); 393 SET_FIELD(control, PXP_PRETEND_CMD_PRETEND_FUNCTION, 1); 394 395 /* Every pretend undos previous pretends, including 396 * previous port pretend. 397 */ 398 SET_FIELD(control, PXP_PRETEND_CMD_PORT, 0); 399 SET_FIELD(control, PXP_PRETEND_CMD_USE_PORT, 0); 400 SET_FIELD(control, PXP_PRETEND_CMD_PRETEND_PORT, 1); 401 402 if (!GET_FIELD(fid, PXP_CONCRETE_FID_VFVALID)) 403 fid = GET_FIELD(fid, PXP_CONCRETE_FID_PFID); 404 405 p_ptt->pxp.pretend.control = OSAL_CPU_TO_LE16(control); 406 p_ptt->pxp.pretend.fid.concrete_fid.fid = OSAL_CPU_TO_LE16(fid); 407 408 REG_WR(p_hwfn, 409 ecore_ptt_config_addr(p_ptt) + 410 OFFSETOF(struct pxp_ptt_entry, pretend), 411 *(u32 *)&p_ptt->pxp.pretend); 412 } 413 414 void ecore_port_pretend(struct ecore_hwfn *p_hwfn, 415 struct ecore_ptt *p_ptt, u8 port_id) 416 { 417 u16 control = 0; 418 419 SET_FIELD(control, PXP_PRETEND_CMD_PORT, port_id); 420 SET_FIELD(control, PXP_PRETEND_CMD_USE_PORT, 1); 421 SET_FIELD(control, PXP_PRETEND_CMD_PRETEND_PORT, 1); 422 p_ptt->pxp.pretend.control = OSAL_CPU_TO_LE16(control); 423 424 REG_WR(p_hwfn, 425 ecore_ptt_config_addr(p_ptt) + 426 OFFSETOF(struct pxp_ptt_entry, pretend), 427 *(u32 *)&p_ptt->pxp.pretend); 428 } 429 430 void ecore_port_unpretend(struct ecore_hwfn *p_hwfn, 431 struct ecore_ptt *p_ptt) 432 { 433 u16 control = 0; 434 435 SET_FIELD(control, PXP_PRETEND_CMD_PORT, 0); 436 SET_FIELD(control, PXP_PRETEND_CMD_USE_PORT, 0); 437 SET_FIELD(control, PXP_PRETEND_CMD_PRETEND_PORT, 1); 438 439 p_ptt->pxp.pretend.control = OSAL_CPU_TO_LE16(control); 440 441 REG_WR(p_hwfn, 442 ecore_ptt_config_addr(p_ptt) + 443 OFFSETOF(struct pxp_ptt_entry, pretend), 444 *(u32 *)&p_ptt->pxp.pretend); 445 } 446 447 u32 ecore_vfid_to_concrete(struct ecore_hwfn *p_hwfn, u8 vfid) 448 { 449 u32 concrete_fid = 0; 450 451 SET_FIELD(concrete_fid, PXP_CONCRETE_FID_PFID, p_hwfn->rel_pf_id); 452 SET_FIELD(concrete_fid, PXP_CONCRETE_FID_VFID, vfid); 453 SET_FIELD(concrete_fid, PXP_CONCRETE_FID_VFVALID, 1); 454 455 return concrete_fid; 456 } 457 458 #if 0 459 /* Ecore HW lock 460 * ============= 461 * Although the implemention is ready, today we don't have any flow that 462 * utliizes said locks - and we want to keep it this way. 463 * If this changes, this needs to be revisted. 464 */ 465 #define HW_LOCK_MAX_RETRIES 1000 466 enum _ecore_status_t ecore_hw_lock(struct ecore_hwfn *p_hwfn, 467 struct ecore_ptt *p_ptt, 468 u8 resource, 469 bool block) 470 { 471 u32 cnt, lock_status, hw_lock_cntr_reg; 472 enum _ecore_status_t ecore_status; 473 474 /* Locate the proper lock register for this function. 475 * Note This code assumes all the H/W lock registers are sequential 476 * in memory. 477 */ 478 hw_lock_cntr_reg = MISCS_REG_DRIVER_CONTROL_0 + 479 p_hwfn->rel_pf_id * 480 MISCS_REG_DRIVER_CONTROL_0_SIZE * sizeof(u32); 481 482 /* Validate that the resource is not already taken */ 483 lock_status = ecore_rd(p_hwfn, p_ptt, hw_lock_cntr_reg); 484 485 if (lock_status & resource) { 486 DP_NOTICE(p_hwfn, true, 487 "Resource already locked: lock_status=0x%x resource=0x%x\n", 488 lock_status, resource); 489 490 return ECORE_BUSY; 491 } 492 493 /* Register for the lock */ 494 ecore_wr(p_hwfn, p_ptt, hw_lock_cntr_reg + sizeof(u32), resource); 495 496 /* Try for 5 seconds every 5ms */ 497 for (cnt = 0; cnt < HW_LOCK_MAX_RETRIES; cnt++) { 498 lock_status = ecore_rd(p_hwfn, p_ptt, hw_lock_cntr_reg); 499 500 if (lock_status & resource) 501 return ECORE_SUCCESS; 502 503 if (!block) { 504 ecore_status = ECORE_BUSY; 505 break; 506 } 507 508 OSAL_MSLEEP(5); 509 } 510 511 if (cnt == HW_LOCK_MAX_RETRIES) { 512 DP_NOTICE(p_hwfn, true, "Lock timeout resource=0x%x\n", 513 resource); 514 ecore_status = ECORE_TIMEOUT; 515 } 516 517 /* Clear the pending request */ 518 ecore_wr(p_hwfn, p_ptt, hw_lock_cntr_reg, resource); 519 520 return ecore_status; 521 } 522 523 enum _ecore_status_t ecore_hw_unlock(struct ecore_hwfn *p_hwfn, 524 struct ecore_ptt *p_ptt, 525 u8 resource) 526 { 527 u32 lock_status, hw_lock_cntr_reg; 528 529 /* Locate the proper lock register for this function. 530 * Note This code assumes all the H/W lock registers are sequential 531 * in memory. 532 */ 533 hw_lock_cntr_reg = MISCS_REG_DRIVER_CONTROL_0 + 534 p_hwfn->rel_pf_id * 535 MISCS_REG_DRIVER_CONTROL_0_SIZE * sizeof(u32); 536 537 /* Validate that the resource is currently taken */ 538 lock_status = ecore_rd(p_hwfn, p_ptt, hw_lock_cntr_reg); 539 540 if (!(lock_status & resource)) { 541 DP_NOTICE(p_hwfn, true, 542 "resource 0x%x was not taken (lock status 0x%x)\n", 543 resource, lock_status); 544 545 return ECORE_NODEV; 546 } 547 548 /* clear lock for resource */ 549 ecore_wr(p_hwfn, p_ptt, hw_lock_cntr_reg, resource); 550 return ECORE_SUCCESS; 551 } 552 #endif /* HW locks logic */ 553 554 /* DMAE */ 555 556 #define ECORE_DMAE_FLAGS_IS_SET(params, flag) \ 557 ((params) != OSAL_NULL && ((params)->flags & ECORE_DMAE_FLAG_##flag)) 558 559 static void ecore_dmae_opcode(struct ecore_hwfn *p_hwfn, 560 const u8 is_src_type_grc, 561 const u8 is_dst_type_grc, 562 struct ecore_dmae_params *p_params) 563 { 564 u8 src_pfid, dst_pfid, port_id; 565 u16 opcode_b = 0; 566 u32 opcode = 0; 567 568 /* Whether the source is the PCIe or the GRC. 569 * 0- The source is the PCIe 570 * 1- The source is the GRC. 571 */ 572 opcode |= (is_src_type_grc ? DMAE_CMD_SRC_MASK_GRC 573 : DMAE_CMD_SRC_MASK_PCIE) << 574 DMAE_CMD_SRC_SHIFT; 575 src_pfid = ECORE_DMAE_FLAGS_IS_SET(p_params, PF_SRC) ? 576 p_params->src_pfid : p_hwfn->rel_pf_id; 577 opcode |= (src_pfid & DMAE_CMD_SRC_PF_ID_MASK) << 578 DMAE_CMD_SRC_PF_ID_SHIFT; 579 580 /* The destination of the DMA can be: 0-None 1-PCIe 2-GRC 3-None */ 581 opcode |= (is_dst_type_grc ? DMAE_CMD_DST_MASK_GRC 582 : DMAE_CMD_DST_MASK_PCIE) << 583 DMAE_CMD_DST_SHIFT; 584 dst_pfid = ECORE_DMAE_FLAGS_IS_SET(p_params, PF_DST) ? 585 p_params->dst_pfid : p_hwfn->rel_pf_id; 586 opcode |= (dst_pfid & DMAE_CMD_DST_PF_ID_MASK) << 587 DMAE_CMD_DST_PF_ID_SHIFT; 588 589 /* DMAE_E4_TODO need to check which value to specify here. */ 590 /* opcode |= (!b_complete_to_host)<< DMAE_CMD_C_DST_SHIFT;*/ 591 592 /* Whether to write a completion word to the completion destination: 593 * 0-Do not write a completion word 594 * 1-Write the completion word 595 */ 596 opcode |= DMAE_CMD_COMP_WORD_EN_MASK << DMAE_CMD_COMP_WORD_EN_SHIFT; 597 opcode |= DMAE_CMD_SRC_ADDR_RESET_MASK << 598 DMAE_CMD_SRC_ADDR_RESET_SHIFT; 599 600 if (ECORE_DMAE_FLAGS_IS_SET(p_params, COMPLETION_DST)) 601 opcode |= 1 << DMAE_CMD_COMP_FUNC_SHIFT; 602 603 /* swapping mode 3 - big endian there should be a define ifdefed in 604 * the HSI somewhere. Since it is currently 605 */ 606 opcode |= DMAE_CMD_ENDIANITY << DMAE_CMD_ENDIANITY_MODE_SHIFT; 607 608 port_id = (ECORE_DMAE_FLAGS_IS_SET(p_params, PORT)) ? 609 p_params->port_id : p_hwfn->port_id; 610 opcode |= port_id << DMAE_CMD_PORT_ID_SHIFT; 611 612 /* reset source address in next go */ 613 opcode |= DMAE_CMD_SRC_ADDR_RESET_MASK << 614 DMAE_CMD_SRC_ADDR_RESET_SHIFT; 615 616 /* reset dest address in next go */ 617 opcode |= DMAE_CMD_DST_ADDR_RESET_MASK << 618 DMAE_CMD_DST_ADDR_RESET_SHIFT; 619 620 /* SRC/DST VFID: all 1's - pf, otherwise VF id */ 621 if (ECORE_DMAE_FLAGS_IS_SET(p_params, VF_SRC)) { 622 opcode |= (1 << DMAE_CMD_SRC_VF_ID_VALID_SHIFT); 623 opcode_b |= (p_params->src_vfid << DMAE_CMD_SRC_VF_ID_SHIFT); 624 } else { 625 opcode_b |= (DMAE_CMD_SRC_VF_ID_MASK << 626 DMAE_CMD_SRC_VF_ID_SHIFT); 627 } 628 if (ECORE_DMAE_FLAGS_IS_SET(p_params, VF_DST)) { 629 opcode |= 1 << DMAE_CMD_DST_VF_ID_VALID_SHIFT; 630 opcode_b |= p_params->dst_vfid << DMAE_CMD_DST_VF_ID_SHIFT; 631 } else { 632 opcode_b |= DMAE_CMD_DST_VF_ID_MASK << 633 DMAE_CMD_DST_VF_ID_SHIFT; 634 } 635 636 p_hwfn->dmae_info.p_dmae_cmd->opcode = OSAL_CPU_TO_LE32(opcode); 637 p_hwfn->dmae_info.p_dmae_cmd->opcode_b = OSAL_CPU_TO_LE16(opcode_b); 638 } 639 640 static u32 ecore_dmae_idx_to_go_cmd(u8 idx) 641 { 642 OSAL_BUILD_BUG_ON((DMAE_REG_GO_C31 - DMAE_REG_GO_C0) != 643 31 * 4); 644 645 /* All the DMAE 'go' registers form an array in internal memory */ 646 return DMAE_REG_GO_C0 + (idx << 2); 647 } 648 649 static enum _ecore_status_t ecore_dmae_post_command(struct ecore_hwfn *p_hwfn, 650 struct ecore_ptt *p_ptt) 651 { 652 struct dmae_cmd *p_command = p_hwfn->dmae_info.p_dmae_cmd; 653 u8 idx_cmd = p_hwfn->dmae_info.channel, i; 654 enum _ecore_status_t ecore_status = ECORE_SUCCESS; 655 656 /* verify address is not OSAL_NULL */ 657 if ((((!p_command->dst_addr_lo) && (!p_command->dst_addr_hi)) || 658 ((!p_command->src_addr_lo) && (!p_command->src_addr_hi)))) { 659 DP_NOTICE(p_hwfn, true, 660 "source or destination address 0 idx_cmd=%d\n" 661 "opcode = [0x%08x,0x%04x] len=0x%x src=0x%x:%x dst=0x%x:%x\n", 662 idx_cmd, 663 OSAL_LE32_TO_CPU(p_command->opcode), 664 OSAL_LE16_TO_CPU(p_command->opcode_b), 665 OSAL_LE16_TO_CPU(p_command->length_dw), 666 OSAL_LE32_TO_CPU(p_command->src_addr_hi), 667 OSAL_LE32_TO_CPU(p_command->src_addr_lo), 668 OSAL_LE32_TO_CPU(p_command->dst_addr_hi), 669 OSAL_LE32_TO_CPU(p_command->dst_addr_lo)); 670 671 return ECORE_INVAL; 672 } 673 674 DP_VERBOSE(p_hwfn, ECORE_MSG_HW, 675 "Posting DMAE command [idx %d]: opcode = [0x%08x,0x%04x] len=0x%x src=0x%x:%x dst=0x%x:%x\n", 676 idx_cmd, 677 OSAL_LE32_TO_CPU(p_command->opcode), 678 OSAL_LE16_TO_CPU(p_command->opcode_b), 679 OSAL_LE16_TO_CPU(p_command->length_dw), 680 OSAL_LE32_TO_CPU(p_command->src_addr_hi), 681 OSAL_LE32_TO_CPU(p_command->src_addr_lo), 682 OSAL_LE32_TO_CPU(p_command->dst_addr_hi), 683 OSAL_LE32_TO_CPU(p_command->dst_addr_lo)); 684 685 /* Copy the command to DMAE - need to do it before every call 686 * for source/dest address no reset. 687 * The number of commands have been increased to 16 (previous was 14) 688 * The first 9 DWs are the command registers, the 10 DW is the 689 * GO register, and 690 * the rest are result registers (which are read only by the client). 691 */ 692 for (i = 0; i < DMAE_CMD_SIZE; i++) { 693 u32 data = (i < DMAE_CMD_SIZE_TO_FILL) ? 694 *(((u32 *)p_command) + i) : 0; 695 696 ecore_wr(p_hwfn, p_ptt, 697 DMAE_REG_CMD_MEM + 698 (idx_cmd * DMAE_CMD_SIZE * sizeof(u32)) + 699 (i * sizeof(u32)), data); 700 } 701 702 ecore_wr(p_hwfn, p_ptt, 703 ecore_dmae_idx_to_go_cmd(idx_cmd), 704 DMAE_GO_VALUE); 705 706 return ecore_status; 707 } 708 709 enum _ecore_status_t ecore_dmae_info_alloc(struct ecore_hwfn *p_hwfn) 710 { 711 dma_addr_t *p_addr = &p_hwfn->dmae_info.completion_word_phys_addr; 712 struct dmae_cmd **p_cmd = &p_hwfn->dmae_info.p_dmae_cmd; 713 u32 **p_buff = &p_hwfn->dmae_info.p_intermediate_buffer; 714 u32 **p_comp = &p_hwfn->dmae_info.p_completion_word; 715 716 *p_comp = OSAL_DMA_ALLOC_COHERENT(p_hwfn->p_dev, p_addr, sizeof(u32)); 717 if (*p_comp == OSAL_NULL) { 718 DP_NOTICE(p_hwfn, false, 719 "Failed to allocate `p_completion_word'\n"); 720 goto err; 721 } 722 723 p_addr = &p_hwfn->dmae_info.dmae_cmd_phys_addr; 724 *p_cmd = OSAL_DMA_ALLOC_COHERENT(p_hwfn->p_dev, p_addr, 725 sizeof(struct dmae_cmd)); 726 if (*p_cmd == OSAL_NULL) { 727 DP_NOTICE(p_hwfn, false, 728 "Failed to allocate `struct dmae_cmd'\n"); 729 goto err; 730 } 731 732 p_addr = &p_hwfn->dmae_info.intermediate_buffer_phys_addr; 733 *p_buff = OSAL_DMA_ALLOC_COHERENT(p_hwfn->p_dev, p_addr, 734 sizeof(u32) * DMAE_MAX_RW_SIZE); 735 if (*p_buff == OSAL_NULL) { 736 DP_NOTICE(p_hwfn, false, 737 "Failed to allocate `intermediate_buffer'\n"); 738 goto err; 739 } 740 741 p_hwfn->dmae_info.channel = p_hwfn->rel_pf_id; 742 p_hwfn->dmae_info.b_mem_ready = true; 743 744 return ECORE_SUCCESS; 745 err: 746 ecore_dmae_info_free(p_hwfn); 747 return ECORE_NOMEM; 748 } 749 750 void ecore_dmae_info_free(struct ecore_hwfn *p_hwfn) 751 { 752 dma_addr_t p_phys; 753 754 OSAL_SPIN_LOCK(&p_hwfn->dmae_info.lock); 755 p_hwfn->dmae_info.b_mem_ready = false; 756 OSAL_SPIN_UNLOCK(&p_hwfn->dmae_info.lock); 757 758 if (p_hwfn->dmae_info.p_completion_word != OSAL_NULL) { 759 p_phys = p_hwfn->dmae_info.completion_word_phys_addr; 760 OSAL_DMA_FREE_COHERENT(p_hwfn->p_dev, 761 p_hwfn->dmae_info.p_completion_word, 762 p_phys, sizeof(u32)); 763 p_hwfn->dmae_info.p_completion_word = OSAL_NULL; 764 } 765 766 if (p_hwfn->dmae_info.p_dmae_cmd != OSAL_NULL) { 767 p_phys = p_hwfn->dmae_info.dmae_cmd_phys_addr; 768 OSAL_DMA_FREE_COHERENT(p_hwfn->p_dev, 769 p_hwfn->dmae_info.p_dmae_cmd, 770 p_phys, sizeof(struct dmae_cmd)); 771 p_hwfn->dmae_info.p_dmae_cmd = OSAL_NULL; 772 } 773 774 if (p_hwfn->dmae_info.p_intermediate_buffer != OSAL_NULL) { 775 p_phys = p_hwfn->dmae_info.intermediate_buffer_phys_addr; 776 OSAL_DMA_FREE_COHERENT(p_hwfn->p_dev, 777 p_hwfn->dmae_info.p_intermediate_buffer, 778 p_phys, sizeof(u32) * DMAE_MAX_RW_SIZE); 779 p_hwfn->dmae_info.p_intermediate_buffer = OSAL_NULL; 780 } 781 } 782 783 static enum _ecore_status_t 784 ecore_dmae_operation_wait(struct ecore_hwfn *p_hwfn) 785 { 786 u32 wait_cnt_limit = 10000, wait_cnt = 0; 787 enum _ecore_status_t ecore_status = ECORE_SUCCESS; 788 789 #ifndef ASIC_ONLY 790 u32 factor = (CHIP_REV_IS_EMUL(p_hwfn->p_dev) ? 791 ECORE_EMUL_FACTOR : 792 (CHIP_REV_IS_FPGA(p_hwfn->p_dev) ? 793 ECORE_FPGA_FACTOR : 1)); 794 795 wait_cnt_limit *= factor; 796 #endif 797 798 /* DMAE_E4_TODO : TODO check if we have to call any other function 799 * other than BARRIER to sync the completion_word since we are not 800 * using the volatile keyword for this 801 */ 802 OSAL_BARRIER(p_hwfn->p_dev); 803 while (*p_hwfn->dmae_info.p_completion_word != DMAE_COMPLETION_VAL) { 804 OSAL_UDELAY(DMAE_MIN_WAIT_TIME); 805 if (++wait_cnt > wait_cnt_limit) { 806 DP_NOTICE(p_hwfn->p_dev, ECORE_MSG_HW, 807 "Timed-out waiting for operation to complete. Completion word is 0x%08x expected 0x%08x.\n", 808 *(p_hwfn->dmae_info.p_completion_word), 809 DMAE_COMPLETION_VAL); 810 ecore_status = ECORE_TIMEOUT; 811 break; 812 } 813 814 /* to sync the completion_word since we are not 815 * using the volatile keyword for p_completion_word 816 */ 817 OSAL_BARRIER(p_hwfn->p_dev); 818 } 819 820 if (ecore_status == ECORE_SUCCESS) 821 *p_hwfn->dmae_info.p_completion_word = 0; 822 823 return ecore_status; 824 } 825 826 static enum _ecore_status_t ecore_dmae_execute_sub_operation(struct ecore_hwfn *p_hwfn, 827 struct ecore_ptt *p_ptt, 828 u64 src_addr, 829 u64 dst_addr, 830 u8 src_type, 831 u8 dst_type, 832 u32 length_dw) 833 { 834 dma_addr_t phys = p_hwfn->dmae_info.intermediate_buffer_phys_addr; 835 struct dmae_cmd *cmd = p_hwfn->dmae_info.p_dmae_cmd; 836 enum _ecore_status_t ecore_status = ECORE_SUCCESS; 837 838 switch (src_type) { 839 case ECORE_DMAE_ADDRESS_GRC: 840 case ECORE_DMAE_ADDRESS_HOST_PHYS: 841 cmd->src_addr_hi = OSAL_CPU_TO_LE32(DMA_HI(src_addr)); 842 cmd->src_addr_lo = OSAL_CPU_TO_LE32(DMA_LO(src_addr)); 843 break; 844 /* for virtual source addresses we use the intermediate buffer. */ 845 case ECORE_DMAE_ADDRESS_HOST_VIRT: 846 cmd->src_addr_hi = OSAL_CPU_TO_LE32(DMA_HI(phys)); 847 cmd->src_addr_lo = OSAL_CPU_TO_LE32(DMA_LO(phys)); 848 OSAL_MEMCPY(&(p_hwfn->dmae_info.p_intermediate_buffer[0]), 849 (void *)(osal_uintptr_t)src_addr, 850 length_dw * sizeof(u32)); 851 break; 852 default: 853 return ECORE_INVAL; 854 } 855 856 switch (dst_type) { 857 case ECORE_DMAE_ADDRESS_GRC: 858 case ECORE_DMAE_ADDRESS_HOST_PHYS: 859 cmd->dst_addr_hi = OSAL_CPU_TO_LE32(DMA_HI(dst_addr)); 860 cmd->dst_addr_lo = OSAL_CPU_TO_LE32(DMA_LO(dst_addr)); 861 break; 862 /* for virtual destination addresses we use the intermediate buffer. */ 863 case ECORE_DMAE_ADDRESS_HOST_VIRT: 864 cmd->dst_addr_hi = OSAL_CPU_TO_LE32(DMA_HI(phys)); 865 cmd->dst_addr_lo = OSAL_CPU_TO_LE32(DMA_LO(phys)); 866 break; 867 default: 868 return ECORE_INVAL; 869 } 870 871 cmd->length_dw = OSAL_CPU_TO_LE16((u16)length_dw); 872 #ifndef __EXTRACT__LINUX__ 873 if (src_type == ECORE_DMAE_ADDRESS_HOST_VIRT || 874 src_type == ECORE_DMAE_ADDRESS_HOST_PHYS) 875 OSAL_DMA_SYNC(p_hwfn->p_dev, 876 (void *)HILO_U64(cmd->src_addr_hi, 877 cmd->src_addr_lo), 878 length_dw * sizeof(u32), false); 879 #endif 880 881 ecore_dmae_post_command(p_hwfn, p_ptt); 882 883 ecore_status = ecore_dmae_operation_wait(p_hwfn); 884 885 #ifndef __EXTRACT__LINUX__ 886 /* TODO - is it true ? */ 887 if (src_type == ECORE_DMAE_ADDRESS_HOST_VIRT || 888 src_type == ECORE_DMAE_ADDRESS_HOST_PHYS) 889 OSAL_DMA_SYNC(p_hwfn->p_dev, 890 (void *)HILO_U64(cmd->src_addr_hi, 891 cmd->src_addr_lo), 892 length_dw * sizeof(u32), true); 893 #endif 894 895 if (ecore_status != ECORE_SUCCESS) { 896 DP_NOTICE(p_hwfn, ECORE_MSG_HW, 897 "Wait Failed. source_addr 0x%llx, grc_addr 0x%llx, size_in_dwords 0x%x, intermediate buffer 0x%llx.\n", 898 (unsigned long long)src_addr, (unsigned long long)dst_addr, length_dw, 899 (unsigned long long)p_hwfn->dmae_info.intermediate_buffer_phys_addr); 900 return ecore_status; 901 } 902 903 if (dst_type == ECORE_DMAE_ADDRESS_HOST_VIRT) 904 OSAL_MEMCPY((void *)(osal_uintptr_t)(dst_addr), 905 &p_hwfn->dmae_info.p_intermediate_buffer[0], 906 length_dw * sizeof(u32)); 907 908 return ECORE_SUCCESS; 909 } 910 911 static enum _ecore_status_t ecore_dmae_execute_command(struct ecore_hwfn *p_hwfn, 912 struct ecore_ptt *p_ptt, 913 u64 src_addr, u64 dst_addr, 914 u8 src_type, u8 dst_type, 915 u32 size_in_dwords, 916 struct ecore_dmae_params *p_params) 917 { 918 dma_addr_t phys = p_hwfn->dmae_info.completion_word_phys_addr; 919 u16 length_cur = 0, i = 0, cnt_split = 0, length_mod = 0; 920 struct dmae_cmd *cmd = p_hwfn->dmae_info.p_dmae_cmd; 921 u64 src_addr_split = 0, dst_addr_split = 0; 922 u16 length_limit = DMAE_MAX_RW_SIZE; 923 enum _ecore_status_t ecore_status = ECORE_SUCCESS; 924 u32 offset = 0; 925 926 if (!p_hwfn->dmae_info.b_mem_ready) { 927 DP_VERBOSE(p_hwfn, ECORE_MSG_HW, 928 "No buffers allocated. Avoid DMAE transaction [{src: addr 0x%llx, type %d}, {dst: addr 0x%llx, type %d}, size %d].\n", 929 (unsigned long long)src_addr, src_type, (unsigned long long)dst_addr, dst_type, 930 size_in_dwords); 931 return ECORE_NOMEM; 932 } 933 934 if (p_hwfn->p_dev->recov_in_prog) { 935 DP_VERBOSE(p_hwfn, ECORE_MSG_HW, 936 "Recovery is in progress. Avoid DMAE transaction [{src: addr 0x%llx, type %d}, {dst: addr 0x%llx, type %d}, size %d].\n", 937 (unsigned long long)src_addr, src_type, (unsigned long long)dst_addr, dst_type, 938 size_in_dwords); 939 /* Return success to let the flow to be completed successfully 940 * w/o any error handling. 941 */ 942 return ECORE_SUCCESS; 943 } 944 945 if (!cmd) { 946 DP_NOTICE(p_hwfn, true, 947 "ecore_dmae_execute_sub_operation failed. Invalid state. source_addr 0x%llx, destination addr 0x%llx, size_in_dwords 0x%x\n", 948 (unsigned long long)src_addr, (unsigned long long)dst_addr, length_cur); 949 return ECORE_INVAL; 950 } 951 952 ecore_dmae_opcode(p_hwfn, 953 (src_type == ECORE_DMAE_ADDRESS_GRC), 954 (dst_type == ECORE_DMAE_ADDRESS_GRC), 955 p_params); 956 957 cmd->comp_addr_lo = OSAL_CPU_TO_LE32(DMA_LO(phys)); 958 cmd->comp_addr_hi = OSAL_CPU_TO_LE32(DMA_HI(phys)); 959 cmd->comp_val = OSAL_CPU_TO_LE32(DMAE_COMPLETION_VAL); 960 961 /* Check if the grc_addr is valid like < MAX_GRC_OFFSET */ 962 cnt_split = size_in_dwords / length_limit; 963 length_mod = size_in_dwords % length_limit; 964 965 src_addr_split = src_addr; 966 dst_addr_split = dst_addr; 967 968 for (i = 0; i <= cnt_split; i++) { 969 offset = length_limit * i; 970 971 if (!ECORE_DMAE_FLAGS_IS_SET(p_params, RW_REPL_SRC)) { 972 if (src_type == ECORE_DMAE_ADDRESS_GRC) 973 src_addr_split = src_addr + offset; 974 else 975 src_addr_split = src_addr + (offset*4); 976 } 977 978 if (dst_type == ECORE_DMAE_ADDRESS_GRC) 979 dst_addr_split = dst_addr + offset; 980 else 981 dst_addr_split = dst_addr + (offset*4); 982 983 length_cur = (cnt_split == i) ? length_mod : length_limit; 984 985 /* might be zero on last iteration */ 986 if (!length_cur) 987 continue; 988 989 ecore_status = ecore_dmae_execute_sub_operation(p_hwfn, 990 p_ptt, 991 src_addr_split, 992 dst_addr_split, 993 src_type, 994 dst_type, 995 length_cur); 996 if (ecore_status != ECORE_SUCCESS) { 997 DP_NOTICE(p_hwfn, false, 998 "ecore_dmae_execute_sub_operation Failed with error 0x%x. source_addr 0x%llx, destination addr 0x%llx, size_in_dwords 0x%x\n", 999 ecore_status, (unsigned long long)src_addr, (unsigned long long)dst_addr, length_cur); 1000 1001 ecore_hw_err_notify(p_hwfn, ECORE_HW_ERR_DMAE_FAIL); 1002 break; 1003 } 1004 } 1005 1006 return ecore_status; 1007 } 1008 1009 enum _ecore_status_t ecore_dmae_host2grc(struct ecore_hwfn *p_hwfn, 1010 struct ecore_ptt *p_ptt, 1011 u64 source_addr, 1012 u32 grc_addr, 1013 u32 size_in_dwords, 1014 struct ecore_dmae_params *p_params) 1015 { 1016 u32 grc_addr_in_dw = grc_addr / sizeof(u32); 1017 enum _ecore_status_t rc; 1018 1019 OSAL_SPIN_LOCK(&p_hwfn->dmae_info.lock); 1020 1021 rc = ecore_dmae_execute_command(p_hwfn, p_ptt, source_addr, 1022 grc_addr_in_dw, 1023 ECORE_DMAE_ADDRESS_HOST_VIRT, 1024 ECORE_DMAE_ADDRESS_GRC, 1025 size_in_dwords, p_params); 1026 1027 OSAL_SPIN_UNLOCK(&p_hwfn->dmae_info.lock); 1028 1029 return rc; 1030 } 1031 1032 enum _ecore_status_t ecore_dmae_grc2host(struct ecore_hwfn *p_hwfn, 1033 struct ecore_ptt *p_ptt, 1034 u32 grc_addr, 1035 dma_addr_t dest_addr, 1036 u32 size_in_dwords, 1037 struct ecore_dmae_params *p_params) 1038 { 1039 u32 grc_addr_in_dw = grc_addr / sizeof(u32); 1040 enum _ecore_status_t rc; 1041 1042 OSAL_SPIN_LOCK(&(p_hwfn->dmae_info.lock)); 1043 1044 rc = ecore_dmae_execute_command(p_hwfn, p_ptt, grc_addr_in_dw, 1045 dest_addr, ECORE_DMAE_ADDRESS_GRC, 1046 ECORE_DMAE_ADDRESS_HOST_VIRT, 1047 size_in_dwords, p_params); 1048 1049 OSAL_SPIN_UNLOCK(&(p_hwfn->dmae_info.lock)); 1050 1051 return rc; 1052 } 1053 1054 enum _ecore_status_t ecore_dmae_host2host(struct ecore_hwfn *p_hwfn, 1055 struct ecore_ptt *p_ptt, 1056 dma_addr_t source_addr, 1057 dma_addr_t dest_addr, 1058 u32 size_in_dwords, 1059 struct ecore_dmae_params *p_params) 1060 { 1061 enum _ecore_status_t rc; 1062 1063 OSAL_SPIN_LOCK(&p_hwfn->dmae_info.lock); 1064 1065 rc = ecore_dmae_execute_command(p_hwfn, p_ptt, source_addr, 1066 dest_addr, 1067 ECORE_DMAE_ADDRESS_HOST_PHYS, 1068 ECORE_DMAE_ADDRESS_HOST_PHYS, 1069 size_in_dwords, 1070 p_params); 1071 1072 OSAL_SPIN_UNLOCK(&p_hwfn->dmae_info.lock); 1073 1074 return rc; 1075 } 1076 1077 void ecore_hw_err_notify(struct ecore_hwfn *p_hwfn, 1078 enum ecore_hw_err_type err_type) 1079 { 1080 /* Fan failure cannot be masked by handling of another HW error */ 1081 if (p_hwfn->p_dev->recov_in_prog && err_type != ECORE_HW_ERR_FAN_FAIL) { 1082 DP_VERBOSE(p_hwfn, ECORE_MSG_DRV, 1083 "Recovery is in progress. Avoid notifying about HW error %d.\n", 1084 err_type); 1085 return; 1086 } 1087 1088 OSAL_HW_ERROR_OCCURRED(p_hwfn, err_type); 1089 } 1090 1091 enum _ecore_status_t ecore_dmae_sanity(struct ecore_hwfn *p_hwfn, 1092 struct ecore_ptt *p_ptt, 1093 const char *phase) 1094 { 1095 u32 size = OSAL_PAGE_SIZE / 2, val; 1096 enum _ecore_status_t rc = ECORE_SUCCESS; 1097 dma_addr_t p_phys; 1098 void *p_virt; 1099 u32 *p_tmp; 1100 1101 p_virt = OSAL_DMA_ALLOC_COHERENT(p_hwfn->p_dev, &p_phys, 2 * size); 1102 if (!p_virt) { 1103 DP_NOTICE(p_hwfn, false, 1104 "DMAE sanity [%s]: failed to allocate memory\n", 1105 phase); 1106 return ECORE_NOMEM; 1107 } 1108 1109 /* Fill the bottom half of the allocated memory with a known pattern */ 1110 for (p_tmp = (u32 *)p_virt; 1111 p_tmp < (u32 *)((u8 *)p_virt + size); 1112 p_tmp++) { 1113 /* Save the address itself as the value */ 1114 val = (u32)(osal_uintptr_t)p_tmp; 1115 *p_tmp = val; 1116 } 1117 1118 /* Zero the top half of the allocated memory */ 1119 OSAL_MEM_ZERO((u8 *)p_virt + size, size); 1120 1121 DP_VERBOSE(p_hwfn, ECORE_MSG_SP, 1122 "DMAE sanity [%s]: src_addr={phys 0x%llx, virt %p}, dst_addr={phys 0x%llx, virt %p}, size 0x%x\n", 1123 phase, (unsigned long long)p_phys, p_virt, 1124 (unsigned long long)(p_phys + size), (u8 *)p_virt + size, 1125 size); 1126 1127 rc = ecore_dmae_host2host(p_hwfn, p_ptt, p_phys, p_phys + size, 1128 size / 4 /* size_in_dwords */, 1129 OSAL_NULL /* default parameters */); 1130 if (rc != ECORE_SUCCESS) { 1131 DP_NOTICE(p_hwfn, false, 1132 "DMAE sanity [%s]: ecore_dmae_host2host() failed. rc = %d.\n", 1133 phase, rc); 1134 goto out; 1135 } 1136 1137 /* Verify that the top half of the allocated memory has the pattern */ 1138 for (p_tmp = (u32 *)((u8 *)p_virt + size); 1139 p_tmp < (u32 *)((u8 *)p_virt + (2 * size)); 1140 p_tmp++) { 1141 /* The corresponding address in the bottom half */ 1142 val = (u32)(osal_uintptr_t)p_tmp - size; 1143 1144 if (*p_tmp != val) { 1145 DP_NOTICE(p_hwfn, false, 1146 "DMAE sanity [%s]: addr={phys 0x%llx, virt %p}, read_val 0x%08x, expected_val 0x%08x\n", 1147 phase, 1148 (unsigned long long)(p_phys + (u32)((u8 *)p_tmp - (u8 *)p_virt)), 1149 p_tmp, *p_tmp, val); 1150 rc = ECORE_UNKNOWN_ERROR; 1151 goto out; 1152 } 1153 } 1154 1155 out: 1156 OSAL_DMA_FREE_COHERENT(p_hwfn->p_dev, p_virt, p_phys, 2 * size); 1157 return rc; 1158 } 1159 1160 void ecore_ppfid_wr(struct ecore_hwfn *p_hwfn, struct ecore_ptt *p_ptt, 1161 u8 abs_ppfid, u32 hw_addr, u32 val) 1162 { 1163 u8 pfid = ECORE_PFID_BY_PPFID(p_hwfn, abs_ppfid); 1164 1165 ecore_fid_pretend(p_hwfn, p_ptt, 1166 pfid << PXP_PRETEND_CONCRETE_FID_PFID_SHIFT); 1167 ecore_wr(p_hwfn, p_ptt, hw_addr, val); 1168 ecore_fid_pretend(p_hwfn, p_ptt, 1169 p_hwfn->rel_pf_id << 1170 PXP_PRETEND_CONCRETE_FID_PFID_SHIFT); 1171 } 1172 1173 u32 ecore_ppfid_rd(struct ecore_hwfn *p_hwfn, struct ecore_ptt *p_ptt, 1174 u8 abs_ppfid, u32 hw_addr) 1175 { 1176 u8 pfid = ECORE_PFID_BY_PPFID(p_hwfn, abs_ppfid); 1177 u32 val; 1178 1179 ecore_fid_pretend(p_hwfn, p_ptt, 1180 pfid << PXP_PRETEND_CONCRETE_FID_PFID_SHIFT); 1181 val = ecore_rd(p_hwfn, p_ptt, hw_addr); 1182 ecore_fid_pretend(p_hwfn, p_ptt, 1183 p_hwfn->rel_pf_id << 1184 PXP_PRETEND_CONCRETE_FID_PFID_SHIFT); 1185 1186 return val; 1187 } 1188 1189 #ifdef _NTDDK_ 1190 #pragma warning(pop) 1191 #endif
Cache object: 93bd639b00b1a86c8e6d7da8b70bb46c
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