1 // SPDX-License-Identifier: (GPL-2.0-only OR BSD-3-Clause) 2 /* QLogic qed NIC Driver 3 * Copyright (c) 2015-2017 QLogic Corporation 4 * Copyright (c) 2019-2020 Marvell International Ltd. 5 */ 6 7 #include <linux/types.h> 8 #include <asm/byteorder.h> 9 #include <linux/delay.h> 10 #include <linux/errno.h> 11 #include <linux/kernel.h> 12 #include <linux/slab.h> 13 #include <linux/spinlock.h> 14 #include <linux/string.h> 15 #include <linux/etherdevice.h> 16 #include "qed.h" 17 #include "qed_cxt.h" 18 #include "qed_dcbx.h" 19 #include "qed_hsi.h" 20 #include "qed_hw.h" 21 #include "qed_mcp.h" 22 #include "qed_reg_addr.h" 23 #include "qed_sriov.h" 24 25 #define GRCBASE_MCP 0xe00000 26 27 #define QED_MCP_RESP_ITER_US 10 28 29 #define QED_DRV_MB_MAX_RETRIES (500 * 1000) /* Account for 5 sec */ 30 #define QED_MCP_RESET_RETRIES (50 * 1000) /* Account for 500 msec */ 31 32 #define DRV_INNER_WR(_p_hwfn, _p_ptt, _ptr, _offset, _val) \ 33 qed_wr(_p_hwfn, _p_ptt, (_p_hwfn->mcp_info->_ptr + _offset), \ 34 _val) 35 36 #define DRV_INNER_RD(_p_hwfn, _p_ptt, _ptr, _offset) \ 37 qed_rd(_p_hwfn, _p_ptt, (_p_hwfn->mcp_info->_ptr + _offset)) 38 39 #define DRV_MB_WR(_p_hwfn, _p_ptt, _field, _val) \ 40 DRV_INNER_WR(p_hwfn, _p_ptt, drv_mb_addr, \ 41 offsetof(struct public_drv_mb, _field), _val) 42 43 #define DRV_MB_RD(_p_hwfn, _p_ptt, _field) \ 44 DRV_INNER_RD(_p_hwfn, _p_ptt, drv_mb_addr, \ 45 offsetof(struct public_drv_mb, _field)) 46 47 #define PDA_COMP (((FW_MAJOR_VERSION) + (FW_MINOR_VERSION << 8)) << \ 48 DRV_ID_PDA_COMP_VER_SHIFT) 49 50 #define MCP_BYTES_PER_MBIT_SHIFT 17 51 52 bool qed_mcp_is_init(struct qed_hwfn *p_hwfn) 53 { 54 if (!p_hwfn->mcp_info || !p_hwfn->mcp_info->public_base) 55 return false; 56 return true; 57 } 58 59 void qed_mcp_cmd_port_init(struct qed_hwfn *p_hwfn, struct qed_ptt *p_ptt) 60 { 61 u32 addr = SECTION_OFFSIZE_ADDR(p_hwfn->mcp_info->public_base, 62 PUBLIC_PORT); 63 u32 mfw_mb_offsize = qed_rd(p_hwfn, p_ptt, addr); 64 65 p_hwfn->mcp_info->port_addr = SECTION_ADDR(mfw_mb_offsize, 66 MFW_PORT(p_hwfn)); 67 DP_VERBOSE(p_hwfn, QED_MSG_SP, 68 "port_addr = 0x%x, port_id 0x%02x\n", 69 p_hwfn->mcp_info->port_addr, MFW_PORT(p_hwfn)); 70 } 71 72 void qed_mcp_read_mb(struct qed_hwfn *p_hwfn, struct qed_ptt *p_ptt) 73 { 74 u32 length = MFW_DRV_MSG_MAX_DWORDS(p_hwfn->mcp_info->mfw_mb_length); 75 u32 tmp, i; 76 77 if (!p_hwfn->mcp_info->public_base) 78 return; 79 80 for (i = 0; i < length; i++) { 81 tmp = qed_rd(p_hwfn, p_ptt, 82 p_hwfn->mcp_info->mfw_mb_addr + 83 (i << 2) + sizeof(u32)); 84 85 /* The MB data is actually BE; Need to force it to cpu */ 86 ((u32 *)p_hwfn->mcp_info->mfw_mb_cur)[i] = 87 be32_to_cpu((__force __be32)tmp); 88 } 89 } 90 91 struct qed_mcp_cmd_elem { 92 struct list_head list; 93 struct qed_mcp_mb_params *p_mb_params; 94 u16 expected_seq_num; 95 bool b_is_completed; 96 }; 97 98 /* Must be called while cmd_lock is acquired */ 99 static struct qed_mcp_cmd_elem * 100 qed_mcp_cmd_add_elem(struct qed_hwfn *p_hwfn, 101 struct qed_mcp_mb_params *p_mb_params, 102 u16 expected_seq_num) 103 { 104 struct qed_mcp_cmd_elem *p_cmd_elem = NULL; 105 106 p_cmd_elem = kzalloc(sizeof(*p_cmd_elem), GFP_ATOMIC); 107 if (!p_cmd_elem) 108 goto out; 109 110 p_cmd_elem->p_mb_params = p_mb_params; 111 p_cmd_elem->expected_seq_num = expected_seq_num; 112 list_add(&p_cmd_elem->list, &p_hwfn->mcp_info->cmd_list); 113 out: 114 return p_cmd_elem; 115 } 116 117 /* Must be called while cmd_lock is acquired */ 118 static void qed_mcp_cmd_del_elem(struct qed_hwfn *p_hwfn, 119 struct qed_mcp_cmd_elem *p_cmd_elem) 120 { 121 list_del(&p_cmd_elem->list); 122 kfree(p_cmd_elem); 123 } 124 125 /* Must be called while cmd_lock is acquired */ 126 static struct qed_mcp_cmd_elem *qed_mcp_cmd_get_elem(struct qed_hwfn *p_hwfn, 127 u16 seq_num) 128 { 129 struct qed_mcp_cmd_elem *p_cmd_elem = NULL; 130 131 list_for_each_entry(p_cmd_elem, &p_hwfn->mcp_info->cmd_list, list) { 132 if (p_cmd_elem->expected_seq_num == seq_num) 133 return p_cmd_elem; 134 } 135 136 return NULL; 137 } 138 139 int qed_mcp_free(struct qed_hwfn *p_hwfn) 140 { 141 if (p_hwfn->mcp_info) { 142 struct qed_mcp_cmd_elem *p_cmd_elem, *p_tmp; 143 144 kfree(p_hwfn->mcp_info->mfw_mb_cur); 145 kfree(p_hwfn->mcp_info->mfw_mb_shadow); 146 147 spin_lock_bh(&p_hwfn->mcp_info->cmd_lock); 148 list_for_each_entry_safe(p_cmd_elem, 149 p_tmp, 150 &p_hwfn->mcp_info->cmd_list, list) { 151 qed_mcp_cmd_del_elem(p_hwfn, p_cmd_elem); 152 } 153 spin_unlock_bh(&p_hwfn->mcp_info->cmd_lock); 154 } 155 156 kfree(p_hwfn->mcp_info); 157 p_hwfn->mcp_info = NULL; 158 159 return 0; 160 } 161 162 /* Maximum of 1 sec to wait for the SHMEM ready indication */ 163 #define QED_MCP_SHMEM_RDY_MAX_RETRIES 20 164 #define QED_MCP_SHMEM_RDY_ITER_MS 50 165 166 static int qed_load_mcp_offsets(struct qed_hwfn *p_hwfn, struct qed_ptt *p_ptt) 167 { 168 struct qed_mcp_info *p_info = p_hwfn->mcp_info; 169 u8 cnt = QED_MCP_SHMEM_RDY_MAX_RETRIES; 170 u8 msec = QED_MCP_SHMEM_RDY_ITER_MS; 171 u32 drv_mb_offsize, mfw_mb_offsize; 172 u32 mcp_pf_id = MCP_PF_ID(p_hwfn); 173 174 p_info->public_base = qed_rd(p_hwfn, p_ptt, MISC_REG_SHARED_MEM_ADDR); 175 if (!p_info->public_base) { 176 DP_NOTICE(p_hwfn, 177 "The address of the MCP scratch-pad is not configured\n"); 178 return -EINVAL; 179 } 180 181 p_info->public_base |= GRCBASE_MCP; 182 183 /* Get the MFW MB address and number of supported messages */ 184 mfw_mb_offsize = qed_rd(p_hwfn, p_ptt, 185 SECTION_OFFSIZE_ADDR(p_info->public_base, 186 PUBLIC_MFW_MB)); 187 p_info->mfw_mb_addr = SECTION_ADDR(mfw_mb_offsize, mcp_pf_id); 188 p_info->mfw_mb_length = (u16)qed_rd(p_hwfn, p_ptt, 189 p_info->mfw_mb_addr + 190 offsetof(struct public_mfw_mb, 191 sup_msgs)); 192 193 /* The driver can notify that there was an MCP reset, and might read the 194 * SHMEM values before the MFW has completed initializing them. 195 * To avoid this, the "sup_msgs" field in the MFW mailbox is used as a 196 * data ready indication. 197 */ 198 while (!p_info->mfw_mb_length && --cnt) { 199 msleep(msec); 200 p_info->mfw_mb_length = 201 (u16)qed_rd(p_hwfn, p_ptt, 202 p_info->mfw_mb_addr + 203 offsetof(struct public_mfw_mb, sup_msgs)); 204 } 205 206 if (!cnt) { 207 DP_NOTICE(p_hwfn, 208 "Failed to get the SHMEM ready notification after %d msec\n", 209 QED_MCP_SHMEM_RDY_MAX_RETRIES * msec); 210 return -EBUSY; 211 } 212 213 /* Calculate the driver and MFW mailbox address */ 214 drv_mb_offsize = qed_rd(p_hwfn, p_ptt, 215 SECTION_OFFSIZE_ADDR(p_info->public_base, 216 PUBLIC_DRV_MB)); 217 p_info->drv_mb_addr = SECTION_ADDR(drv_mb_offsize, mcp_pf_id); 218 DP_VERBOSE(p_hwfn, QED_MSG_SP, 219 "drv_mb_offsiz = 0x%x, drv_mb_addr = 0x%x mcp_pf_id = 0x%x\n", 220 drv_mb_offsize, p_info->drv_mb_addr, mcp_pf_id); 221 222 /* Get the current driver mailbox sequence before sending 223 * the first command 224 */ 225 p_info->drv_mb_seq = DRV_MB_RD(p_hwfn, p_ptt, drv_mb_header) & 226 DRV_MSG_SEQ_NUMBER_MASK; 227 228 /* Get current FW pulse sequence */ 229 p_info->drv_pulse_seq = DRV_MB_RD(p_hwfn, p_ptt, drv_pulse_mb) & 230 DRV_PULSE_SEQ_MASK; 231 232 p_info->mcp_hist = qed_rd(p_hwfn, p_ptt, MISCS_REG_GENERIC_POR_0); 233 234 return 0; 235 } 236 237 int qed_mcp_cmd_init(struct qed_hwfn *p_hwfn, struct qed_ptt *p_ptt) 238 { 239 struct qed_mcp_info *p_info; 240 u32 size; 241 242 /* Allocate mcp_info structure */ 243 p_hwfn->mcp_info = kzalloc(sizeof(*p_hwfn->mcp_info), GFP_KERNEL); 244 if (!p_hwfn->mcp_info) 245 goto err; 246 p_info = p_hwfn->mcp_info; 247 248 /* Initialize the MFW spinlock */ 249 spin_lock_init(&p_info->cmd_lock); 250 spin_lock_init(&p_info->link_lock); 251 252 INIT_LIST_HEAD(&p_info->cmd_list); 253 254 if (qed_load_mcp_offsets(p_hwfn, p_ptt) != 0) { 255 DP_NOTICE(p_hwfn, "MCP is not initialized\n"); 256 /* Do not free mcp_info here, since public_base indicate that 257 * the MCP is not initialized 258 */ 259 return 0; 260 } 261 262 size = MFW_DRV_MSG_MAX_DWORDS(p_info->mfw_mb_length) * sizeof(u32); 263 p_info->mfw_mb_cur = kzalloc(size, GFP_KERNEL); 264 p_info->mfw_mb_shadow = kzalloc(size, GFP_KERNEL); 265 if (!p_info->mfw_mb_cur || !p_info->mfw_mb_shadow) 266 goto err; 267 268 return 0; 269 270 err: 271 qed_mcp_free(p_hwfn); 272 return -ENOMEM; 273 } 274 275 static void qed_mcp_reread_offsets(struct qed_hwfn *p_hwfn, 276 struct qed_ptt *p_ptt) 277 { 278 u32 generic_por_0 = qed_rd(p_hwfn, p_ptt, MISCS_REG_GENERIC_POR_0); 279 280 /* Use MCP history register to check if MCP reset occurred between init 281 * time and now. 282 */ 283 if (p_hwfn->mcp_info->mcp_hist != generic_por_0) { 284 DP_VERBOSE(p_hwfn, 285 QED_MSG_SP, 286 "Rereading MCP offsets [mcp_hist 0x%08x, generic_por_0 0x%08x]\n", 287 p_hwfn->mcp_info->mcp_hist, generic_por_0); 288 289 qed_load_mcp_offsets(p_hwfn, p_ptt); 290 qed_mcp_cmd_port_init(p_hwfn, p_ptt); 291 } 292 } 293 294 int qed_mcp_reset(struct qed_hwfn *p_hwfn, struct qed_ptt *p_ptt) 295 { 296 u32 org_mcp_reset_seq, seq, delay = QED_MCP_RESP_ITER_US, cnt = 0; 297 int rc = 0; 298 299 if (p_hwfn->mcp_info->b_block_cmd) { 300 DP_NOTICE(p_hwfn, 301 "The MFW is not responsive. Avoid sending MCP_RESET mailbox command.\n"); 302 return -EBUSY; 303 } 304 305 /* Ensure that only a single thread is accessing the mailbox */ 306 spin_lock_bh(&p_hwfn->mcp_info->cmd_lock); 307 308 org_mcp_reset_seq = qed_rd(p_hwfn, p_ptt, MISCS_REG_GENERIC_POR_0); 309 310 /* Set drv command along with the updated sequence */ 311 qed_mcp_reread_offsets(p_hwfn, p_ptt); 312 seq = ++p_hwfn->mcp_info->drv_mb_seq; 313 DRV_MB_WR(p_hwfn, p_ptt, drv_mb_header, (DRV_MSG_CODE_MCP_RESET | seq)); 314 315 do { 316 /* Wait for MFW response */ 317 udelay(delay); 318 /* Give the FW up to 500 second (50*1000*10usec) */ 319 } while ((org_mcp_reset_seq == qed_rd(p_hwfn, p_ptt, 320 MISCS_REG_GENERIC_POR_0)) && 321 (cnt++ < QED_MCP_RESET_RETRIES)); 322 323 if (org_mcp_reset_seq != 324 qed_rd(p_hwfn, p_ptt, MISCS_REG_GENERIC_POR_0)) { 325 DP_VERBOSE(p_hwfn, QED_MSG_SP, 326 "MCP was reset after %d usec\n", cnt * delay); 327 } else { 328 DP_ERR(p_hwfn, "Failed to reset MCP\n"); 329 rc = -EAGAIN; 330 } 331 332 spin_unlock_bh(&p_hwfn->mcp_info->cmd_lock); 333 334 return rc; 335 } 336 337 /* Must be called while cmd_lock is acquired */ 338 static bool qed_mcp_has_pending_cmd(struct qed_hwfn *p_hwfn) 339 { 340 struct qed_mcp_cmd_elem *p_cmd_elem; 341 342 /* There is at most one pending command at a certain time, and if it 343 * exists - it is placed at the HEAD of the list. 344 */ 345 if (!list_empty(&p_hwfn->mcp_info->cmd_list)) { 346 p_cmd_elem = list_first_entry(&p_hwfn->mcp_info->cmd_list, 347 struct qed_mcp_cmd_elem, list); 348 return !p_cmd_elem->b_is_completed; 349 } 350 351 return false; 352 } 353 354 /* Must be called while cmd_lock is acquired */ 355 static int 356 qed_mcp_update_pending_cmd(struct qed_hwfn *p_hwfn, struct qed_ptt *p_ptt) 357 { 358 struct qed_mcp_mb_params *p_mb_params; 359 struct qed_mcp_cmd_elem *p_cmd_elem; 360 u32 mcp_resp; 361 u16 seq_num; 362 363 mcp_resp = DRV_MB_RD(p_hwfn, p_ptt, fw_mb_header); 364 seq_num = (u16)(mcp_resp & FW_MSG_SEQ_NUMBER_MASK); 365 366 /* Return if no new non-handled response has been received */ 367 if (seq_num != p_hwfn->mcp_info->drv_mb_seq) 368 return -EAGAIN; 369 370 p_cmd_elem = qed_mcp_cmd_get_elem(p_hwfn, seq_num); 371 if (!p_cmd_elem) { 372 DP_ERR(p_hwfn, 373 "Failed to find a pending mailbox cmd that expects sequence number %d\n", 374 seq_num); 375 return -EINVAL; 376 } 377 378 p_mb_params = p_cmd_elem->p_mb_params; 379 380 /* Get the MFW response along with the sequence number */ 381 p_mb_params->mcp_resp = mcp_resp; 382 383 /* Get the MFW param */ 384 p_mb_params->mcp_param = DRV_MB_RD(p_hwfn, p_ptt, fw_mb_param); 385 386 /* Get the union data */ 387 if (p_mb_params->p_data_dst != NULL && p_mb_params->data_dst_size) { 388 u32 union_data_addr = p_hwfn->mcp_info->drv_mb_addr + 389 offsetof(struct public_drv_mb, 390 union_data); 391 qed_memcpy_from(p_hwfn, p_ptt, p_mb_params->p_data_dst, 392 union_data_addr, p_mb_params->data_dst_size); 393 } 394 395 p_cmd_elem->b_is_completed = true; 396 397 return 0; 398 } 399 400 /* Must be called while cmd_lock is acquired */ 401 static void __qed_mcp_cmd_and_union(struct qed_hwfn *p_hwfn, 402 struct qed_ptt *p_ptt, 403 struct qed_mcp_mb_params *p_mb_params, 404 u16 seq_num) 405 { 406 union drv_union_data union_data; 407 u32 union_data_addr; 408 409 /* Set the union data */ 410 union_data_addr = p_hwfn->mcp_info->drv_mb_addr + 411 offsetof(struct public_drv_mb, union_data); 412 memset(&union_data, 0, sizeof(union_data)); 413 if (p_mb_params->p_data_src != NULL && p_mb_params->data_src_size) 414 memcpy(&union_data, p_mb_params->p_data_src, 415 p_mb_params->data_src_size); 416 qed_memcpy_to(p_hwfn, p_ptt, union_data_addr, &union_data, 417 sizeof(union_data)); 418 419 /* Set the drv param */ 420 DRV_MB_WR(p_hwfn, p_ptt, drv_mb_param, p_mb_params->param); 421 422 /* Set the drv command along with the sequence number */ 423 DRV_MB_WR(p_hwfn, p_ptt, drv_mb_header, (p_mb_params->cmd | seq_num)); 424 425 DP_VERBOSE(p_hwfn, QED_MSG_SP, 426 "MFW mailbox: command 0x%08x param 0x%08x\n", 427 (p_mb_params->cmd | seq_num), p_mb_params->param); 428 } 429 430 static void qed_mcp_cmd_set_blocking(struct qed_hwfn *p_hwfn, bool block_cmd) 431 { 432 p_hwfn->mcp_info->b_block_cmd = block_cmd; 433 434 DP_INFO(p_hwfn, "%s sending of mailbox commands to the MFW\n", 435 block_cmd ? "Block" : "Unblock"); 436 } 437 438 static void qed_mcp_print_cpu_info(struct qed_hwfn *p_hwfn, 439 struct qed_ptt *p_ptt) 440 { 441 u32 cpu_mode, cpu_state, cpu_pc_0, cpu_pc_1, cpu_pc_2; 442 u32 delay = QED_MCP_RESP_ITER_US; 443 444 cpu_mode = qed_rd(p_hwfn, p_ptt, MCP_REG_CPU_MODE); 445 cpu_state = qed_rd(p_hwfn, p_ptt, MCP_REG_CPU_STATE); 446 cpu_pc_0 = qed_rd(p_hwfn, p_ptt, MCP_REG_CPU_PROGRAM_COUNTER); 447 udelay(delay); 448 cpu_pc_1 = qed_rd(p_hwfn, p_ptt, MCP_REG_CPU_PROGRAM_COUNTER); 449 udelay(delay); 450 cpu_pc_2 = qed_rd(p_hwfn, p_ptt, MCP_REG_CPU_PROGRAM_COUNTER); 451 452 DP_NOTICE(p_hwfn, 453 "MCP CPU info: mode 0x%08x, state 0x%08x, pc {0x%08x, 0x%08x, 0x%08x}\n", 454 cpu_mode, cpu_state, cpu_pc_0, cpu_pc_1, cpu_pc_2); 455 } 456 457 static int 458 _qed_mcp_cmd_and_union(struct qed_hwfn *p_hwfn, 459 struct qed_ptt *p_ptt, 460 struct qed_mcp_mb_params *p_mb_params, 461 u32 max_retries, u32 usecs) 462 { 463 u32 cnt = 0, msecs = DIV_ROUND_UP(usecs, 1000); 464 struct qed_mcp_cmd_elem *p_cmd_elem; 465 u16 seq_num; 466 int rc = 0; 467 468 /* Wait until the mailbox is non-occupied */ 469 do { 470 /* Exit the loop if there is no pending command, or if the 471 * pending command is completed during this iteration. 472 * The spinlock stays locked until the command is sent. 473 */ 474 475 spin_lock_bh(&p_hwfn->mcp_info->cmd_lock); 476 477 if (!qed_mcp_has_pending_cmd(p_hwfn)) 478 break; 479 480 rc = qed_mcp_update_pending_cmd(p_hwfn, p_ptt); 481 if (!rc) 482 break; 483 else if (rc != -EAGAIN) 484 goto err; 485 486 spin_unlock_bh(&p_hwfn->mcp_info->cmd_lock); 487 488 if (QED_MB_FLAGS_IS_SET(p_mb_params, CAN_SLEEP)) 489 msleep(msecs); 490 else 491 udelay(usecs); 492 } while (++cnt < max_retries); 493 494 if (cnt >= max_retries) { 495 DP_NOTICE(p_hwfn, 496 "The MFW mailbox is occupied by an uncompleted command. Failed to send command 0x%08x [param 0x%08x].\n", 497 p_mb_params->cmd, p_mb_params->param); 498 return -EAGAIN; 499 } 500 501 /* Send the mailbox command */ 502 qed_mcp_reread_offsets(p_hwfn, p_ptt); 503 seq_num = ++p_hwfn->mcp_info->drv_mb_seq; 504 p_cmd_elem = qed_mcp_cmd_add_elem(p_hwfn, p_mb_params, seq_num); 505 if (!p_cmd_elem) { 506 rc = -ENOMEM; 507 goto err; 508 } 509 510 __qed_mcp_cmd_and_union(p_hwfn, p_ptt, p_mb_params, seq_num); 511 spin_unlock_bh(&p_hwfn->mcp_info->cmd_lock); 512 513 /* Wait for the MFW response */ 514 do { 515 /* Exit the loop if the command is already completed, or if the 516 * command is completed during this iteration. 517 * The spinlock stays locked until the list element is removed. 518 */ 519 520 if (QED_MB_FLAGS_IS_SET(p_mb_params, CAN_SLEEP)) 521 msleep(msecs); 522 else 523 udelay(usecs); 524 525 spin_lock_bh(&p_hwfn->mcp_info->cmd_lock); 526 527 if (p_cmd_elem->b_is_completed) 528 break; 529 530 rc = qed_mcp_update_pending_cmd(p_hwfn, p_ptt); 531 if (!rc) 532 break; 533 else if (rc != -EAGAIN) 534 goto err; 535 536 spin_unlock_bh(&p_hwfn->mcp_info->cmd_lock); 537 } while (++cnt < max_retries); 538 539 if (cnt >= max_retries) { 540 DP_NOTICE(p_hwfn, 541 "The MFW failed to respond to command 0x%08x [param 0x%08x].\n", 542 p_mb_params->cmd, p_mb_params->param); 543 qed_mcp_print_cpu_info(p_hwfn, p_ptt); 544 545 spin_lock_bh(&p_hwfn->mcp_info->cmd_lock); 546 qed_mcp_cmd_del_elem(p_hwfn, p_cmd_elem); 547 spin_unlock_bh(&p_hwfn->mcp_info->cmd_lock); 548 549 if (!QED_MB_FLAGS_IS_SET(p_mb_params, AVOID_BLOCK)) 550 qed_mcp_cmd_set_blocking(p_hwfn, true); 551 552 qed_hw_err_notify(p_hwfn, p_ptt, 553 QED_HW_ERR_MFW_RESP_FAIL, NULL); 554 return -EAGAIN; 555 } 556 557 qed_mcp_cmd_del_elem(p_hwfn, p_cmd_elem); 558 spin_unlock_bh(&p_hwfn->mcp_info->cmd_lock); 559 560 DP_VERBOSE(p_hwfn, 561 QED_MSG_SP, 562 "MFW mailbox: response 0x%08x param 0x%08x [after %d.%03d ms]\n", 563 p_mb_params->mcp_resp, 564 p_mb_params->mcp_param, 565 (cnt * usecs) / 1000, (cnt * usecs) % 1000); 566 567 /* Clear the sequence number from the MFW response */ 568 p_mb_params->mcp_resp &= FW_MSG_CODE_MASK; 569 570 return 0; 571 572 err: 573 spin_unlock_bh(&p_hwfn->mcp_info->cmd_lock); 574 return rc; 575 } 576 577 static int qed_mcp_cmd_and_union(struct qed_hwfn *p_hwfn, 578 struct qed_ptt *p_ptt, 579 struct qed_mcp_mb_params *p_mb_params) 580 { 581 size_t union_data_size = sizeof(union drv_union_data); 582 u32 max_retries = QED_DRV_MB_MAX_RETRIES; 583 u32 usecs = QED_MCP_RESP_ITER_US; 584 585 /* MCP not initialized */ 586 if (!qed_mcp_is_init(p_hwfn)) { 587 DP_NOTICE(p_hwfn, "MFW is not initialized!\n"); 588 return -EBUSY; 589 } 590 591 if (p_hwfn->mcp_info->b_block_cmd) { 592 DP_NOTICE(p_hwfn, 593 "The MFW is not responsive. Avoid sending mailbox command 0x%08x [param 0x%08x].\n", 594 p_mb_params->cmd, p_mb_params->param); 595 return -EBUSY; 596 } 597 598 if (p_mb_params->data_src_size > union_data_size || 599 p_mb_params->data_dst_size > union_data_size) { 600 DP_ERR(p_hwfn, 601 "The provided size is larger than the union data size [src_size %u, dst_size %u, union_data_size %zu]\n", 602 p_mb_params->data_src_size, 603 p_mb_params->data_dst_size, union_data_size); 604 return -EINVAL; 605 } 606 607 if (QED_MB_FLAGS_IS_SET(p_mb_params, CAN_SLEEP)) { 608 max_retries = DIV_ROUND_UP(max_retries, 1000); 609 usecs *= 1000; 610 } 611 612 return _qed_mcp_cmd_and_union(p_hwfn, p_ptt, p_mb_params, max_retries, 613 usecs); 614 } 615 616 int qed_mcp_cmd(struct qed_hwfn *p_hwfn, 617 struct qed_ptt *p_ptt, 618 u32 cmd, 619 u32 param, 620 u32 *o_mcp_resp, 621 u32 *o_mcp_param) 622 { 623 struct qed_mcp_mb_params mb_params; 624 int rc; 625 626 memset(&mb_params, 0, sizeof(mb_params)); 627 mb_params.cmd = cmd; 628 mb_params.param = param; 629 630 rc = qed_mcp_cmd_and_union(p_hwfn, p_ptt, &mb_params); 631 if (rc) 632 return rc; 633 634 *o_mcp_resp = mb_params.mcp_resp; 635 *o_mcp_param = mb_params.mcp_param; 636 637 return 0; 638 } 639 640 static int 641 qed_mcp_nvm_wr_cmd(struct qed_hwfn *p_hwfn, 642 struct qed_ptt *p_ptt, 643 u32 cmd, 644 u32 param, 645 u32 *o_mcp_resp, 646 u32 *o_mcp_param, u32 i_txn_size, u32 *i_buf) 647 { 648 struct qed_mcp_mb_params mb_params; 649 int rc; 650 651 memset(&mb_params, 0, sizeof(mb_params)); 652 mb_params.cmd = cmd; 653 mb_params.param = param; 654 mb_params.p_data_src = i_buf; 655 mb_params.data_src_size = (u8)i_txn_size; 656 rc = qed_mcp_cmd_and_union(p_hwfn, p_ptt, &mb_params); 657 if (rc) 658 return rc; 659 660 *o_mcp_resp = mb_params.mcp_resp; 661 *o_mcp_param = mb_params.mcp_param; 662 663 /* nvm_info needs to be updated */ 664 p_hwfn->nvm_info.valid = false; 665 666 return 0; 667 } 668 669 int qed_mcp_nvm_rd_cmd(struct qed_hwfn *p_hwfn, 670 struct qed_ptt *p_ptt, 671 u32 cmd, 672 u32 param, 673 u32 *o_mcp_resp, 674 u32 *o_mcp_param, u32 *o_txn_size, u32 *o_buf) 675 { 676 struct qed_mcp_mb_params mb_params; 677 u8 raw_data[MCP_DRV_NVM_BUF_LEN]; 678 int rc; 679 680 memset(&mb_params, 0, sizeof(mb_params)); 681 mb_params.cmd = cmd; 682 mb_params.param = param; 683 mb_params.p_data_dst = raw_data; 684 685 /* Use the maximal value since the actual one is part of the response */ 686 mb_params.data_dst_size = MCP_DRV_NVM_BUF_LEN; 687 688 rc = qed_mcp_cmd_and_union(p_hwfn, p_ptt, &mb_params); 689 if (rc) 690 return rc; 691 692 *o_mcp_resp = mb_params.mcp_resp; 693 *o_mcp_param = mb_params.mcp_param; 694 695 *o_txn_size = *o_mcp_param; 696 memcpy(o_buf, raw_data, *o_txn_size); 697 698 return 0; 699 } 700 701 static bool 702 qed_mcp_can_force_load(u8 drv_role, 703 u8 exist_drv_role, 704 enum qed_override_force_load override_force_load) 705 { 706 bool can_force_load = false; 707 708 switch (override_force_load) { 709 case QED_OVERRIDE_FORCE_LOAD_ALWAYS: 710 can_force_load = true; 711 break; 712 case QED_OVERRIDE_FORCE_LOAD_NEVER: 713 can_force_load = false; 714 break; 715 default: 716 can_force_load = (drv_role == DRV_ROLE_OS && 717 exist_drv_role == DRV_ROLE_PREBOOT) || 718 (drv_role == DRV_ROLE_KDUMP && 719 exist_drv_role == DRV_ROLE_OS); 720 break; 721 } 722 723 return can_force_load; 724 } 725 726 static int qed_mcp_cancel_load_req(struct qed_hwfn *p_hwfn, 727 struct qed_ptt *p_ptt) 728 { 729 u32 resp = 0, param = 0; 730 int rc; 731 732 rc = qed_mcp_cmd(p_hwfn, p_ptt, DRV_MSG_CODE_CANCEL_LOAD_REQ, 0, 733 &resp, ¶m); 734 if (rc) 735 DP_NOTICE(p_hwfn, 736 "Failed to send cancel load request, rc = %d\n", rc); 737 738 return rc; 739 } 740 741 #define CONFIG_QEDE_BITMAP_IDX BIT(0) 742 #define CONFIG_QED_SRIOV_BITMAP_IDX BIT(1) 743 #define CONFIG_QEDR_BITMAP_IDX BIT(2) 744 #define CONFIG_QEDF_BITMAP_IDX BIT(4) 745 #define CONFIG_QEDI_BITMAP_IDX BIT(5) 746 #define CONFIG_QED_LL2_BITMAP_IDX BIT(6) 747 748 static u32 qed_get_config_bitmap(void) 749 { 750 u32 config_bitmap = 0x0; 751 752 if (IS_ENABLED(CONFIG_QEDE)) 753 config_bitmap |= CONFIG_QEDE_BITMAP_IDX; 754 755 if (IS_ENABLED(CONFIG_QED_SRIOV)) 756 config_bitmap |= CONFIG_QED_SRIOV_BITMAP_IDX; 757 758 if (IS_ENABLED(CONFIG_QED_RDMA)) 759 config_bitmap |= CONFIG_QEDR_BITMAP_IDX; 760 761 if (IS_ENABLED(CONFIG_QED_FCOE)) 762 config_bitmap |= CONFIG_QEDF_BITMAP_IDX; 763 764 if (IS_ENABLED(CONFIG_QED_ISCSI)) 765 config_bitmap |= CONFIG_QEDI_BITMAP_IDX; 766 767 if (IS_ENABLED(CONFIG_QED_LL2)) 768 config_bitmap |= CONFIG_QED_LL2_BITMAP_IDX; 769 770 return config_bitmap; 771 } 772 773 struct qed_load_req_in_params { 774 u8 hsi_ver; 775 #define QED_LOAD_REQ_HSI_VER_DEFAULT 0 776 #define QED_LOAD_REQ_HSI_VER_1 1 777 u32 drv_ver_0; 778 u32 drv_ver_1; 779 u32 fw_ver; 780 u8 drv_role; 781 u8 timeout_val; 782 u8 force_cmd; 783 bool avoid_eng_reset; 784 }; 785 786 struct qed_load_req_out_params { 787 u32 load_code; 788 u32 exist_drv_ver_0; 789 u32 exist_drv_ver_1; 790 u32 exist_fw_ver; 791 u8 exist_drv_role; 792 u8 mfw_hsi_ver; 793 bool drv_exists; 794 }; 795 796 static int 797 __qed_mcp_load_req(struct qed_hwfn *p_hwfn, 798 struct qed_ptt *p_ptt, 799 struct qed_load_req_in_params *p_in_params, 800 struct qed_load_req_out_params *p_out_params) 801 { 802 struct qed_mcp_mb_params mb_params; 803 struct load_req_stc load_req; 804 struct load_rsp_stc load_rsp; 805 u32 hsi_ver; 806 int rc; 807 808 memset(&load_req, 0, sizeof(load_req)); 809 load_req.drv_ver_0 = p_in_params->drv_ver_0; 810 load_req.drv_ver_1 = p_in_params->drv_ver_1; 811 load_req.fw_ver = p_in_params->fw_ver; 812 QED_MFW_SET_FIELD(load_req.misc0, LOAD_REQ_ROLE, p_in_params->drv_role); 813 QED_MFW_SET_FIELD(load_req.misc0, LOAD_REQ_LOCK_TO, 814 p_in_params->timeout_val); 815 QED_MFW_SET_FIELD(load_req.misc0, LOAD_REQ_FORCE, 816 p_in_params->force_cmd); 817 QED_MFW_SET_FIELD(load_req.misc0, LOAD_REQ_FLAGS0, 818 p_in_params->avoid_eng_reset); 819 820 hsi_ver = (p_in_params->hsi_ver == QED_LOAD_REQ_HSI_VER_DEFAULT) ? 821 DRV_ID_MCP_HSI_VER_CURRENT : 822 (p_in_params->hsi_ver << DRV_ID_MCP_HSI_VER_SHIFT); 823 824 memset(&mb_params, 0, sizeof(mb_params)); 825 mb_params.cmd = DRV_MSG_CODE_LOAD_REQ; 826 mb_params.param = PDA_COMP | hsi_ver | p_hwfn->cdev->drv_type; 827 mb_params.p_data_src = &load_req; 828 mb_params.data_src_size = sizeof(load_req); 829 mb_params.p_data_dst = &load_rsp; 830 mb_params.data_dst_size = sizeof(load_rsp); 831 mb_params.flags = QED_MB_FLAG_CAN_SLEEP | QED_MB_FLAG_AVOID_BLOCK; 832 833 DP_VERBOSE(p_hwfn, QED_MSG_SP, 834 "Load Request: param 0x%08x [init_hw %d, drv_type %d, hsi_ver %d, pda 0x%04x]\n", 835 mb_params.param, 836 QED_MFW_GET_FIELD(mb_params.param, DRV_ID_DRV_INIT_HW), 837 QED_MFW_GET_FIELD(mb_params.param, DRV_ID_DRV_TYPE), 838 QED_MFW_GET_FIELD(mb_params.param, DRV_ID_MCP_HSI_VER), 839 QED_MFW_GET_FIELD(mb_params.param, DRV_ID_PDA_COMP_VER)); 840 841 if (p_in_params->hsi_ver != QED_LOAD_REQ_HSI_VER_1) { 842 DP_VERBOSE(p_hwfn, QED_MSG_SP, 843 "Load Request: drv_ver 0x%08x_0x%08x, fw_ver 0x%08x, misc0 0x%08x [role %d, timeout %d, force %d, flags0 0x%x]\n", 844 load_req.drv_ver_0, 845 load_req.drv_ver_1, 846 load_req.fw_ver, 847 load_req.misc0, 848 QED_MFW_GET_FIELD(load_req.misc0, LOAD_REQ_ROLE), 849 QED_MFW_GET_FIELD(load_req.misc0, 850 LOAD_REQ_LOCK_TO), 851 QED_MFW_GET_FIELD(load_req.misc0, LOAD_REQ_FORCE), 852 QED_MFW_GET_FIELD(load_req.misc0, LOAD_REQ_FLAGS0)); 853 } 854 855 rc = qed_mcp_cmd_and_union(p_hwfn, p_ptt, &mb_params); 856 if (rc) { 857 DP_NOTICE(p_hwfn, "Failed to send load request, rc = %d\n", rc); 858 return rc; 859 } 860 861 DP_VERBOSE(p_hwfn, QED_MSG_SP, 862 "Load Response: resp 0x%08x\n", mb_params.mcp_resp); 863 p_out_params->load_code = mb_params.mcp_resp; 864 865 if (p_in_params->hsi_ver != QED_LOAD_REQ_HSI_VER_1 && 866 p_out_params->load_code != FW_MSG_CODE_DRV_LOAD_REFUSED_HSI_1) { 867 DP_VERBOSE(p_hwfn, 868 QED_MSG_SP, 869 "Load Response: exist_drv_ver 0x%08x_0x%08x, exist_fw_ver 0x%08x, misc0 0x%08x [exist_role %d, mfw_hsi %d, flags0 0x%x]\n", 870 load_rsp.drv_ver_0, 871 load_rsp.drv_ver_1, 872 load_rsp.fw_ver, 873 load_rsp.misc0, 874 QED_MFW_GET_FIELD(load_rsp.misc0, LOAD_RSP_ROLE), 875 QED_MFW_GET_FIELD(load_rsp.misc0, LOAD_RSP_HSI), 876 QED_MFW_GET_FIELD(load_rsp.misc0, LOAD_RSP_FLAGS0)); 877 878 p_out_params->exist_drv_ver_0 = load_rsp.drv_ver_0; 879 p_out_params->exist_drv_ver_1 = load_rsp.drv_ver_1; 880 p_out_params->exist_fw_ver = load_rsp.fw_ver; 881 p_out_params->exist_drv_role = 882 QED_MFW_GET_FIELD(load_rsp.misc0, LOAD_RSP_ROLE); 883 p_out_params->mfw_hsi_ver = 884 QED_MFW_GET_FIELD(load_rsp.misc0, LOAD_RSP_HSI); 885 p_out_params->drv_exists = 886 QED_MFW_GET_FIELD(load_rsp.misc0, LOAD_RSP_FLAGS0) & 887 LOAD_RSP_FLAGS0_DRV_EXISTS; 888 } 889 890 return 0; 891 } 892 893 static int eocre_get_mfw_drv_role(struct qed_hwfn *p_hwfn, 894 enum qed_drv_role drv_role, 895 u8 *p_mfw_drv_role) 896 { 897 switch (drv_role) { 898 case QED_DRV_ROLE_OS: 899 *p_mfw_drv_role = DRV_ROLE_OS; 900 break; 901 case QED_DRV_ROLE_KDUMP: 902 *p_mfw_drv_role = DRV_ROLE_KDUMP; 903 break; 904 default: 905 DP_ERR(p_hwfn, "Unexpected driver role %d\n", drv_role); 906 return -EINVAL; 907 } 908 909 return 0; 910 } 911 912 enum qed_load_req_force { 913 QED_LOAD_REQ_FORCE_NONE, 914 QED_LOAD_REQ_FORCE_PF, 915 QED_LOAD_REQ_FORCE_ALL, 916 }; 917 918 static void qed_get_mfw_force_cmd(struct qed_hwfn *p_hwfn, 919 920 enum qed_load_req_force force_cmd, 921 u8 *p_mfw_force_cmd) 922 { 923 switch (force_cmd) { 924 case QED_LOAD_REQ_FORCE_NONE: 925 *p_mfw_force_cmd = LOAD_REQ_FORCE_NONE; 926 break; 927 case QED_LOAD_REQ_FORCE_PF: 928 *p_mfw_force_cmd = LOAD_REQ_FORCE_PF; 929 break; 930 case QED_LOAD_REQ_FORCE_ALL: 931 *p_mfw_force_cmd = LOAD_REQ_FORCE_ALL; 932 break; 933 } 934 } 935 936 int qed_mcp_load_req(struct qed_hwfn *p_hwfn, 937 struct qed_ptt *p_ptt, 938 struct qed_load_req_params *p_params) 939 { 940 struct qed_load_req_out_params out_params; 941 struct qed_load_req_in_params in_params; 942 u8 mfw_drv_role, mfw_force_cmd; 943 int rc; 944 945 memset(&in_params, 0, sizeof(in_params)); 946 in_params.hsi_ver = QED_LOAD_REQ_HSI_VER_DEFAULT; 947 in_params.drv_ver_1 = qed_get_config_bitmap(); 948 in_params.fw_ver = STORM_FW_VERSION; 949 rc = eocre_get_mfw_drv_role(p_hwfn, p_params->drv_role, &mfw_drv_role); 950 if (rc) 951 return rc; 952 953 in_params.drv_role = mfw_drv_role; 954 in_params.timeout_val = p_params->timeout_val; 955 qed_get_mfw_force_cmd(p_hwfn, 956 QED_LOAD_REQ_FORCE_NONE, &mfw_force_cmd); 957 958 in_params.force_cmd = mfw_force_cmd; 959 in_params.avoid_eng_reset = p_params->avoid_eng_reset; 960 961 memset(&out_params, 0, sizeof(out_params)); 962 rc = __qed_mcp_load_req(p_hwfn, p_ptt, &in_params, &out_params); 963 if (rc) 964 return rc; 965 966 /* First handle cases where another load request should/might be sent: 967 * - MFW expects the old interface [HSI version = 1] 968 * - MFW responds that a force load request is required 969 */ 970 if (out_params.load_code == FW_MSG_CODE_DRV_LOAD_REFUSED_HSI_1) { 971 DP_INFO(p_hwfn, 972 "MFW refused a load request due to HSI > 1. Resending with HSI = 1\n"); 973 974 in_params.hsi_ver = QED_LOAD_REQ_HSI_VER_1; 975 memset(&out_params, 0, sizeof(out_params)); 976 rc = __qed_mcp_load_req(p_hwfn, p_ptt, &in_params, &out_params); 977 if (rc) 978 return rc; 979 } else if (out_params.load_code == 980 FW_MSG_CODE_DRV_LOAD_REFUSED_REQUIRES_FORCE) { 981 if (qed_mcp_can_force_load(in_params.drv_role, 982 out_params.exist_drv_role, 983 p_params->override_force_load)) { 984 DP_INFO(p_hwfn, 985 "A force load is required [{role, fw_ver, drv_ver}: loading={%d, 0x%08x, x%08x_0x%08x}, existing={%d, 0x%08x, 0x%08x_0x%08x}]\n", 986 in_params.drv_role, in_params.fw_ver, 987 in_params.drv_ver_0, in_params.drv_ver_1, 988 out_params.exist_drv_role, 989 out_params.exist_fw_ver, 990 out_params.exist_drv_ver_0, 991 out_params.exist_drv_ver_1); 992 993 qed_get_mfw_force_cmd(p_hwfn, 994 QED_LOAD_REQ_FORCE_ALL, 995 &mfw_force_cmd); 996 997 in_params.force_cmd = mfw_force_cmd; 998 memset(&out_params, 0, sizeof(out_params)); 999 rc = __qed_mcp_load_req(p_hwfn, p_ptt, &in_params, 1000 &out_params); 1001 if (rc) 1002 return rc; 1003 } else { 1004 DP_NOTICE(p_hwfn, 1005 "A force load is required [{role, fw_ver, drv_ver}: loading={%d, 0x%08x, x%08x_0x%08x}, existing={%d, 0x%08x, 0x%08x_0x%08x}] - Avoid\n", 1006 in_params.drv_role, in_params.fw_ver, 1007 in_params.drv_ver_0, in_params.drv_ver_1, 1008 out_params.exist_drv_role, 1009 out_params.exist_fw_ver, 1010 out_params.exist_drv_ver_0, 1011 out_params.exist_drv_ver_1); 1012 DP_NOTICE(p_hwfn, 1013 "Avoid sending a force load request to prevent disruption of active PFs\n"); 1014 1015 qed_mcp_cancel_load_req(p_hwfn, p_ptt); 1016 return -EBUSY; 1017 } 1018 } 1019 1020 /* Now handle the other types of responses. 1021 * The "REFUSED_HSI_1" and "REFUSED_REQUIRES_FORCE" responses are not 1022 * expected here after the additional revised load requests were sent. 1023 */ 1024 switch (out_params.load_code) { 1025 case FW_MSG_CODE_DRV_LOAD_ENGINE: 1026 case FW_MSG_CODE_DRV_LOAD_PORT: 1027 case FW_MSG_CODE_DRV_LOAD_FUNCTION: 1028 if (out_params.mfw_hsi_ver != QED_LOAD_REQ_HSI_VER_1 && 1029 out_params.drv_exists) { 1030 /* The role and fw/driver version match, but the PF is 1031 * already loaded and has not been unloaded gracefully. 1032 */ 1033 DP_NOTICE(p_hwfn, 1034 "PF is already loaded\n"); 1035 return -EINVAL; 1036 } 1037 break; 1038 default: 1039 DP_NOTICE(p_hwfn, 1040 "Unexpected refusal to load request [resp 0x%08x]. Aborting.\n", 1041 out_params.load_code); 1042 return -EBUSY; 1043 } 1044 1045 p_params->load_code = out_params.load_code; 1046 1047 return 0; 1048 } 1049 1050 int qed_mcp_load_done(struct qed_hwfn *p_hwfn, struct qed_ptt *p_ptt) 1051 { 1052 u32 resp = 0, param = 0; 1053 int rc; 1054 1055 rc = qed_mcp_cmd(p_hwfn, p_ptt, DRV_MSG_CODE_LOAD_DONE, 0, &resp, 1056 ¶m); 1057 if (rc) { 1058 DP_NOTICE(p_hwfn, 1059 "Failed to send a LOAD_DONE command, rc = %d\n", rc); 1060 return rc; 1061 } 1062 1063 /* Check if there is a DID mismatch between nvm-cfg/efuse */ 1064 if (param & FW_MB_PARAM_LOAD_DONE_DID_EFUSE_ERROR) 1065 DP_NOTICE(p_hwfn, 1066 "warning: device configuration is not supported on this board type. The device may not function as expected.\n"); 1067 1068 return 0; 1069 } 1070 1071 int qed_mcp_unload_req(struct qed_hwfn *p_hwfn, struct qed_ptt *p_ptt) 1072 { 1073 struct qed_mcp_mb_params mb_params; 1074 u32 wol_param; 1075 1076 switch (p_hwfn->cdev->wol_config) { 1077 case QED_OV_WOL_DISABLED: 1078 wol_param = DRV_MB_PARAM_UNLOAD_WOL_DISABLED; 1079 break; 1080 case QED_OV_WOL_ENABLED: 1081 wol_param = DRV_MB_PARAM_UNLOAD_WOL_ENABLED; 1082 break; 1083 default: 1084 DP_NOTICE(p_hwfn, 1085 "Unknown WoL configuration %02x\n", 1086 p_hwfn->cdev->wol_config); 1087 fallthrough; 1088 case QED_OV_WOL_DEFAULT: 1089 wol_param = DRV_MB_PARAM_UNLOAD_WOL_MCP; 1090 } 1091 1092 memset(&mb_params, 0, sizeof(mb_params)); 1093 mb_params.cmd = DRV_MSG_CODE_UNLOAD_REQ; 1094 mb_params.param = wol_param; 1095 mb_params.flags = QED_MB_FLAG_CAN_SLEEP | QED_MB_FLAG_AVOID_BLOCK; 1096 1097 return qed_mcp_cmd_and_union(p_hwfn, p_ptt, &mb_params); 1098 } 1099 1100 int qed_mcp_unload_done(struct qed_hwfn *p_hwfn, struct qed_ptt *p_ptt) 1101 { 1102 struct qed_mcp_mb_params mb_params; 1103 struct mcp_mac wol_mac; 1104 1105 memset(&mb_params, 0, sizeof(mb_params)); 1106 mb_params.cmd = DRV_MSG_CODE_UNLOAD_DONE; 1107 1108 /* Set the primary MAC if WoL is enabled */ 1109 if (p_hwfn->cdev->wol_config == QED_OV_WOL_ENABLED) { 1110 u8 *p_mac = p_hwfn->cdev->wol_mac; 1111 1112 memset(&wol_mac, 0, sizeof(wol_mac)); 1113 wol_mac.mac_upper = p_mac[0] << 8 | p_mac[1]; 1114 wol_mac.mac_lower = p_mac[2] << 24 | p_mac[3] << 16 | 1115 p_mac[4] << 8 | p_mac[5]; 1116 1117 DP_VERBOSE(p_hwfn, 1118 (QED_MSG_SP | NETIF_MSG_IFDOWN), 1119 "Setting WoL MAC: %pM --> [%08x,%08x]\n", 1120 p_mac, wol_mac.mac_upper, wol_mac.mac_lower); 1121 1122 mb_params.p_data_src = &wol_mac; 1123 mb_params.data_src_size = sizeof(wol_mac); 1124 } 1125 1126 return qed_mcp_cmd_and_union(p_hwfn, p_ptt, &mb_params); 1127 } 1128 1129 static void qed_mcp_handle_vf_flr(struct qed_hwfn *p_hwfn, 1130 struct qed_ptt *p_ptt) 1131 { 1132 u32 addr = SECTION_OFFSIZE_ADDR(p_hwfn->mcp_info->public_base, 1133 PUBLIC_PATH); 1134 u32 mfw_path_offsize = qed_rd(p_hwfn, p_ptt, addr); 1135 u32 path_addr = SECTION_ADDR(mfw_path_offsize, 1136 QED_PATH_ID(p_hwfn)); 1137 u32 disabled_vfs[VF_MAX_STATIC / 32]; 1138 int i; 1139 1140 DP_VERBOSE(p_hwfn, 1141 QED_MSG_SP, 1142 "Reading Disabled VF information from [offset %08x], path_addr %08x\n", 1143 mfw_path_offsize, path_addr); 1144 1145 for (i = 0; i < (VF_MAX_STATIC / 32); i++) { 1146 disabled_vfs[i] = qed_rd(p_hwfn, p_ptt, 1147 path_addr + 1148 offsetof(struct public_path, 1149 mcp_vf_disabled) + 1150 sizeof(u32) * i); 1151 DP_VERBOSE(p_hwfn, (QED_MSG_SP | QED_MSG_IOV), 1152 "FLR-ed VFs [%08x,...,%08x] - %08x\n", 1153 i * 32, (i + 1) * 32 - 1, disabled_vfs[i]); 1154 } 1155 1156 if (qed_iov_mark_vf_flr(p_hwfn, disabled_vfs)) 1157 qed_schedule_iov(p_hwfn, QED_IOV_WQ_FLR_FLAG); 1158 } 1159 1160 int qed_mcp_ack_vf_flr(struct qed_hwfn *p_hwfn, 1161 struct qed_ptt *p_ptt, u32 *vfs_to_ack) 1162 { 1163 u32 addr = SECTION_OFFSIZE_ADDR(p_hwfn->mcp_info->public_base, 1164 PUBLIC_FUNC); 1165 u32 mfw_func_offsize = qed_rd(p_hwfn, p_ptt, addr); 1166 u32 func_addr = SECTION_ADDR(mfw_func_offsize, 1167 MCP_PF_ID(p_hwfn)); 1168 struct qed_mcp_mb_params mb_params; 1169 int rc; 1170 int i; 1171 1172 for (i = 0; i < (VF_MAX_STATIC / 32); i++) 1173 DP_VERBOSE(p_hwfn, (QED_MSG_SP | QED_MSG_IOV), 1174 "Acking VFs [%08x,...,%08x] - %08x\n", 1175 i * 32, (i + 1) * 32 - 1, vfs_to_ack[i]); 1176 1177 memset(&mb_params, 0, sizeof(mb_params)); 1178 mb_params.cmd = DRV_MSG_CODE_VF_DISABLED_DONE; 1179 mb_params.p_data_src = vfs_to_ack; 1180 mb_params.data_src_size = VF_MAX_STATIC / 8; 1181 rc = qed_mcp_cmd_and_union(p_hwfn, p_ptt, &mb_params); 1182 if (rc) { 1183 DP_NOTICE(p_hwfn, "Failed to pass ACK for VF flr to MFW\n"); 1184 return -EBUSY; 1185 } 1186 1187 /* Clear the ACK bits */ 1188 for (i = 0; i < (VF_MAX_STATIC / 32); i++) 1189 qed_wr(p_hwfn, p_ptt, 1190 func_addr + 1191 offsetof(struct public_func, drv_ack_vf_disabled) + 1192 i * sizeof(u32), 0); 1193 1194 return rc; 1195 } 1196 1197 static void qed_mcp_handle_transceiver_change(struct qed_hwfn *p_hwfn, 1198 struct qed_ptt *p_ptt) 1199 { 1200 u32 transceiver_state; 1201 1202 transceiver_state = qed_rd(p_hwfn, p_ptt, 1203 p_hwfn->mcp_info->port_addr + 1204 offsetof(struct public_port, 1205 transceiver_data)); 1206 1207 DP_VERBOSE(p_hwfn, 1208 (NETIF_MSG_HW | QED_MSG_SP), 1209 "Received transceiver state update [0x%08x] from mfw [Addr 0x%x]\n", 1210 transceiver_state, 1211 (u32)(p_hwfn->mcp_info->port_addr + 1212 offsetof(struct public_port, transceiver_data))); 1213 1214 transceiver_state = GET_FIELD(transceiver_state, 1215 ETH_TRANSCEIVER_STATE); 1216 1217 if (transceiver_state == ETH_TRANSCEIVER_STATE_PRESENT) 1218 DP_NOTICE(p_hwfn, "Transceiver is present.\n"); 1219 else 1220 DP_NOTICE(p_hwfn, "Transceiver is unplugged.\n"); 1221 } 1222 1223 static void qed_mcp_read_eee_config(struct qed_hwfn *p_hwfn, 1224 struct qed_ptt *p_ptt, 1225 struct qed_mcp_link_state *p_link) 1226 { 1227 u32 eee_status, val; 1228 1229 p_link->eee_adv_caps = 0; 1230 p_link->eee_lp_adv_caps = 0; 1231 eee_status = qed_rd(p_hwfn, 1232 p_ptt, 1233 p_hwfn->mcp_info->port_addr + 1234 offsetof(struct public_port, eee_status)); 1235 p_link->eee_active = !!(eee_status & EEE_ACTIVE_BIT); 1236 val = (eee_status & EEE_LD_ADV_STATUS_MASK) >> EEE_LD_ADV_STATUS_OFFSET; 1237 if (val & EEE_1G_ADV) 1238 p_link->eee_adv_caps |= QED_EEE_1G_ADV; 1239 if (val & EEE_10G_ADV) 1240 p_link->eee_adv_caps |= QED_EEE_10G_ADV; 1241 val = (eee_status & EEE_LP_ADV_STATUS_MASK) >> EEE_LP_ADV_STATUS_OFFSET; 1242 if (val & EEE_1G_ADV) 1243 p_link->eee_lp_adv_caps |= QED_EEE_1G_ADV; 1244 if (val & EEE_10G_ADV) 1245 p_link->eee_lp_adv_caps |= QED_EEE_10G_ADV; 1246 } 1247 1248 static u32 qed_mcp_get_shmem_func(struct qed_hwfn *p_hwfn, 1249 struct qed_ptt *p_ptt, 1250 struct public_func *p_data, int pfid) 1251 { 1252 u32 addr = SECTION_OFFSIZE_ADDR(p_hwfn->mcp_info->public_base, 1253 PUBLIC_FUNC); 1254 u32 mfw_path_offsize = qed_rd(p_hwfn, p_ptt, addr); 1255 u32 func_addr; 1256 u32 i, size; 1257 1258 func_addr = SECTION_ADDR(mfw_path_offsize, pfid); 1259 memset(p_data, 0, sizeof(*p_data)); 1260 1261 size = min_t(u32, sizeof(*p_data), QED_SECTION_SIZE(mfw_path_offsize)); 1262 for (i = 0; i < size / sizeof(u32); i++) 1263 ((u32 *)p_data)[i] = qed_rd(p_hwfn, p_ptt, 1264 func_addr + (i << 2)); 1265 return size; 1266 } 1267 1268 static void qed_read_pf_bandwidth(struct qed_hwfn *p_hwfn, 1269 struct public_func *p_shmem_info) 1270 { 1271 struct qed_mcp_function_info *p_info; 1272 1273 p_info = &p_hwfn->mcp_info->func_info; 1274 1275 p_info->bandwidth_min = QED_MFW_GET_FIELD(p_shmem_info->config, 1276 FUNC_MF_CFG_MIN_BW); 1277 if (p_info->bandwidth_min < 1 || p_info->bandwidth_min > 100) { 1278 DP_INFO(p_hwfn, 1279 "bandwidth minimum out of bounds [%02x]. Set to 1\n", 1280 p_info->bandwidth_min); 1281 p_info->bandwidth_min = 1; 1282 } 1283 1284 p_info->bandwidth_max = QED_MFW_GET_FIELD(p_shmem_info->config, 1285 FUNC_MF_CFG_MAX_BW); 1286 if (p_info->bandwidth_max < 1 || p_info->bandwidth_max > 100) { 1287 DP_INFO(p_hwfn, 1288 "bandwidth maximum out of bounds [%02x]. Set to 100\n", 1289 p_info->bandwidth_max); 1290 p_info->bandwidth_max = 100; 1291 } 1292 } 1293 1294 static void qed_mcp_handle_link_change(struct qed_hwfn *p_hwfn, 1295 struct qed_ptt *p_ptt, bool b_reset) 1296 { 1297 struct qed_mcp_link_state *p_link; 1298 u8 max_bw, min_bw; 1299 u32 status = 0; 1300 1301 /* Prevent SW/attentions from doing this at the same time */ 1302 spin_lock_bh(&p_hwfn->mcp_info->link_lock); 1303 1304 p_link = &p_hwfn->mcp_info->link_output; 1305 memset(p_link, 0, sizeof(*p_link)); 1306 if (!b_reset) { 1307 status = qed_rd(p_hwfn, p_ptt, 1308 p_hwfn->mcp_info->port_addr + 1309 offsetof(struct public_port, link_status)); 1310 DP_VERBOSE(p_hwfn, (NETIF_MSG_LINK | QED_MSG_SP), 1311 "Received link update [0x%08x] from mfw [Addr 0x%x]\n", 1312 status, 1313 (u32)(p_hwfn->mcp_info->port_addr + 1314 offsetof(struct public_port, link_status))); 1315 } else { 1316 DP_VERBOSE(p_hwfn, NETIF_MSG_LINK, 1317 "Resetting link indications\n"); 1318 goto out; 1319 } 1320 1321 if (p_hwfn->b_drv_link_init) { 1322 /* Link indication with modern MFW arrives as per-PF 1323 * indication. 1324 */ 1325 if (p_hwfn->mcp_info->capabilities & 1326 FW_MB_PARAM_FEATURE_SUPPORT_VLINK) { 1327 struct public_func shmem_info; 1328 1329 qed_mcp_get_shmem_func(p_hwfn, p_ptt, &shmem_info, 1330 MCP_PF_ID(p_hwfn)); 1331 p_link->link_up = !!(shmem_info.status & 1332 FUNC_STATUS_VIRTUAL_LINK_UP); 1333 qed_read_pf_bandwidth(p_hwfn, &shmem_info); 1334 DP_VERBOSE(p_hwfn, NETIF_MSG_LINK, 1335 "Virtual link_up = %d\n", p_link->link_up); 1336 } else { 1337 p_link->link_up = !!(status & LINK_STATUS_LINK_UP); 1338 DP_VERBOSE(p_hwfn, NETIF_MSG_LINK, 1339 "Physical link_up = %d\n", p_link->link_up); 1340 } 1341 } else { 1342 p_link->link_up = false; 1343 } 1344 1345 p_link->full_duplex = true; 1346 switch ((status & LINK_STATUS_SPEED_AND_DUPLEX_MASK)) { 1347 case LINK_STATUS_SPEED_AND_DUPLEX_100G: 1348 p_link->speed = 100000; 1349 break; 1350 case LINK_STATUS_SPEED_AND_DUPLEX_50G: 1351 p_link->speed = 50000; 1352 break; 1353 case LINK_STATUS_SPEED_AND_DUPLEX_40G: 1354 p_link->speed = 40000; 1355 break; 1356 case LINK_STATUS_SPEED_AND_DUPLEX_25G: 1357 p_link->speed = 25000; 1358 break; 1359 case LINK_STATUS_SPEED_AND_DUPLEX_20G: 1360 p_link->speed = 20000; 1361 break; 1362 case LINK_STATUS_SPEED_AND_DUPLEX_10G: 1363 p_link->speed = 10000; 1364 break; 1365 case LINK_STATUS_SPEED_AND_DUPLEX_1000THD: 1366 p_link->full_duplex = false; 1367 fallthrough; 1368 case LINK_STATUS_SPEED_AND_DUPLEX_1000TFD: 1369 p_link->speed = 1000; 1370 break; 1371 default: 1372 p_link->speed = 0; 1373 p_link->link_up = 0; 1374 } 1375 1376 if (p_link->link_up && p_link->speed) 1377 p_link->line_speed = p_link->speed; 1378 else 1379 p_link->line_speed = 0; 1380 1381 max_bw = p_hwfn->mcp_info->func_info.bandwidth_max; 1382 min_bw = p_hwfn->mcp_info->func_info.bandwidth_min; 1383 1384 /* Max bandwidth configuration */ 1385 __qed_configure_pf_max_bandwidth(p_hwfn, p_ptt, p_link, max_bw); 1386 1387 /* Min bandwidth configuration */ 1388 __qed_configure_pf_min_bandwidth(p_hwfn, p_ptt, p_link, min_bw); 1389 qed_configure_vp_wfq_on_link_change(p_hwfn->cdev, p_ptt, 1390 p_link->min_pf_rate); 1391 1392 p_link->an = !!(status & LINK_STATUS_AUTO_NEGOTIATE_ENABLED); 1393 p_link->an_complete = !!(status & 1394 LINK_STATUS_AUTO_NEGOTIATE_COMPLETE); 1395 p_link->parallel_detection = !!(status & 1396 LINK_STATUS_PARALLEL_DETECTION_USED); 1397 p_link->pfc_enabled = !!(status & LINK_STATUS_PFC_ENABLED); 1398 1399 p_link->partner_adv_speed |= 1400 (status & LINK_STATUS_LINK_PARTNER_1000TFD_CAPABLE) ? 1401 QED_LINK_PARTNER_SPEED_1G_FD : 0; 1402 p_link->partner_adv_speed |= 1403 (status & LINK_STATUS_LINK_PARTNER_1000THD_CAPABLE) ? 1404 QED_LINK_PARTNER_SPEED_1G_HD : 0; 1405 p_link->partner_adv_speed |= 1406 (status & LINK_STATUS_LINK_PARTNER_10G_CAPABLE) ? 1407 QED_LINK_PARTNER_SPEED_10G : 0; 1408 p_link->partner_adv_speed |= 1409 (status & LINK_STATUS_LINK_PARTNER_20G_CAPABLE) ? 1410 QED_LINK_PARTNER_SPEED_20G : 0; 1411 p_link->partner_adv_speed |= 1412 (status & LINK_STATUS_LINK_PARTNER_25G_CAPABLE) ? 1413 QED_LINK_PARTNER_SPEED_25G : 0; 1414 p_link->partner_adv_speed |= 1415 (status & LINK_STATUS_LINK_PARTNER_40G_CAPABLE) ? 1416 QED_LINK_PARTNER_SPEED_40G : 0; 1417 p_link->partner_adv_speed |= 1418 (status & LINK_STATUS_LINK_PARTNER_50G_CAPABLE) ? 1419 QED_LINK_PARTNER_SPEED_50G : 0; 1420 p_link->partner_adv_speed |= 1421 (status & LINK_STATUS_LINK_PARTNER_100G_CAPABLE) ? 1422 QED_LINK_PARTNER_SPEED_100G : 0; 1423 1424 p_link->partner_tx_flow_ctrl_en = 1425 !!(status & LINK_STATUS_TX_FLOW_CONTROL_ENABLED); 1426 p_link->partner_rx_flow_ctrl_en = 1427 !!(status & LINK_STATUS_RX_FLOW_CONTROL_ENABLED); 1428 1429 switch (status & LINK_STATUS_LINK_PARTNER_FLOW_CONTROL_MASK) { 1430 case LINK_STATUS_LINK_PARTNER_SYMMETRIC_PAUSE: 1431 p_link->partner_adv_pause = QED_LINK_PARTNER_SYMMETRIC_PAUSE; 1432 break; 1433 case LINK_STATUS_LINK_PARTNER_ASYMMETRIC_PAUSE: 1434 p_link->partner_adv_pause = QED_LINK_PARTNER_ASYMMETRIC_PAUSE; 1435 break; 1436 case LINK_STATUS_LINK_PARTNER_BOTH_PAUSE: 1437 p_link->partner_adv_pause = QED_LINK_PARTNER_BOTH_PAUSE; 1438 break; 1439 default: 1440 p_link->partner_adv_pause = 0; 1441 } 1442 1443 p_link->sfp_tx_fault = !!(status & LINK_STATUS_SFP_TX_FAULT); 1444 1445 if (p_hwfn->mcp_info->capabilities & FW_MB_PARAM_FEATURE_SUPPORT_EEE) 1446 qed_mcp_read_eee_config(p_hwfn, p_ptt, p_link); 1447 1448 if (p_hwfn->mcp_info->capabilities & 1449 FW_MB_PARAM_FEATURE_SUPPORT_FEC_CONTROL) { 1450 switch (status & LINK_STATUS_FEC_MODE_MASK) { 1451 case LINK_STATUS_FEC_MODE_NONE: 1452 p_link->fec_active = QED_FEC_MODE_NONE; 1453 break; 1454 case LINK_STATUS_FEC_MODE_FIRECODE_CL74: 1455 p_link->fec_active = QED_FEC_MODE_FIRECODE; 1456 break; 1457 case LINK_STATUS_FEC_MODE_RS_CL91: 1458 p_link->fec_active = QED_FEC_MODE_RS; 1459 break; 1460 default: 1461 p_link->fec_active = QED_FEC_MODE_AUTO; 1462 } 1463 } else { 1464 p_link->fec_active = QED_FEC_MODE_UNSUPPORTED; 1465 } 1466 1467 qed_link_update(p_hwfn, p_ptt); 1468 out: 1469 spin_unlock_bh(&p_hwfn->mcp_info->link_lock); 1470 } 1471 1472 int qed_mcp_set_link(struct qed_hwfn *p_hwfn, struct qed_ptt *p_ptt, bool b_up) 1473 { 1474 struct qed_mcp_link_params *params = &p_hwfn->mcp_info->link_input; 1475 struct qed_mcp_mb_params mb_params; 1476 struct eth_phy_cfg phy_cfg; 1477 u32 cmd, fec_bit = 0; 1478 u32 val, ext_speed; 1479 int rc = 0; 1480 1481 /* Set the shmem configuration according to params */ 1482 memset(&phy_cfg, 0, sizeof(phy_cfg)); 1483 cmd = b_up ? DRV_MSG_CODE_INIT_PHY : DRV_MSG_CODE_LINK_RESET; 1484 if (!params->speed.autoneg) 1485 phy_cfg.speed = params->speed.forced_speed; 1486 phy_cfg.pause |= (params->pause.autoneg) ? ETH_PAUSE_AUTONEG : 0; 1487 phy_cfg.pause |= (params->pause.forced_rx) ? ETH_PAUSE_RX : 0; 1488 phy_cfg.pause |= (params->pause.forced_tx) ? ETH_PAUSE_TX : 0; 1489 phy_cfg.adv_speed = params->speed.advertised_speeds; 1490 phy_cfg.loopback_mode = params->loopback_mode; 1491 1492 /* There are MFWs that share this capability regardless of whether 1493 * this is feasible or not. And given that at the very least adv_caps 1494 * would be set internally by qed, we want to make sure LFA would 1495 * still work. 1496 */ 1497 if ((p_hwfn->mcp_info->capabilities & 1498 FW_MB_PARAM_FEATURE_SUPPORT_EEE) && params->eee.enable) { 1499 phy_cfg.eee_cfg |= EEE_CFG_EEE_ENABLED; 1500 if (params->eee.tx_lpi_enable) 1501 phy_cfg.eee_cfg |= EEE_CFG_TX_LPI; 1502 if (params->eee.adv_caps & QED_EEE_1G_ADV) 1503 phy_cfg.eee_cfg |= EEE_CFG_ADV_SPEED_1G; 1504 if (params->eee.adv_caps & QED_EEE_10G_ADV) 1505 phy_cfg.eee_cfg |= EEE_CFG_ADV_SPEED_10G; 1506 phy_cfg.eee_cfg |= (params->eee.tx_lpi_timer << 1507 EEE_TX_TIMER_USEC_OFFSET) & 1508 EEE_TX_TIMER_USEC_MASK; 1509 } 1510 1511 if (p_hwfn->mcp_info->capabilities & 1512 FW_MB_PARAM_FEATURE_SUPPORT_FEC_CONTROL) { 1513 if (params->fec & QED_FEC_MODE_NONE) 1514 fec_bit |= FEC_FORCE_MODE_NONE; 1515 else if (params->fec & QED_FEC_MODE_FIRECODE) 1516 fec_bit |= FEC_FORCE_MODE_FIRECODE; 1517 else if (params->fec & QED_FEC_MODE_RS) 1518 fec_bit |= FEC_FORCE_MODE_RS; 1519 else if (params->fec & QED_FEC_MODE_AUTO) 1520 fec_bit |= FEC_FORCE_MODE_AUTO; 1521 1522 SET_MFW_FIELD(phy_cfg.fec_mode, FEC_FORCE_MODE, fec_bit); 1523 } 1524 1525 if (p_hwfn->mcp_info->capabilities & 1526 FW_MB_PARAM_FEATURE_SUPPORT_EXT_SPEED_FEC_CONTROL) { 1527 ext_speed = 0; 1528 if (params->ext_speed.autoneg) 1529 ext_speed |= ETH_EXT_SPEED_AN; 1530 1531 val = params->ext_speed.forced_speed; 1532 if (val & QED_EXT_SPEED_1G) 1533 ext_speed |= ETH_EXT_SPEED_1G; 1534 if (val & QED_EXT_SPEED_10G) 1535 ext_speed |= ETH_EXT_SPEED_10G; 1536 if (val & QED_EXT_SPEED_20G) 1537 ext_speed |= ETH_EXT_SPEED_20G; 1538 if (val & QED_EXT_SPEED_25G) 1539 ext_speed |= ETH_EXT_SPEED_25G; 1540 if (val & QED_EXT_SPEED_40G) 1541 ext_speed |= ETH_EXT_SPEED_40G; 1542 if (val & QED_EXT_SPEED_50G_R) 1543 ext_speed |= ETH_EXT_SPEED_50G_BASE_R; 1544 if (val & QED_EXT_SPEED_50G_R2) 1545 ext_speed |= ETH_EXT_SPEED_50G_BASE_R2; 1546 if (val & QED_EXT_SPEED_100G_R2) 1547 ext_speed |= ETH_EXT_SPEED_100G_BASE_R2; 1548 if (val & QED_EXT_SPEED_100G_R4) 1549 ext_speed |= ETH_EXT_SPEED_100G_BASE_R4; 1550 if (val & QED_EXT_SPEED_100G_P4) 1551 ext_speed |= ETH_EXT_SPEED_100G_BASE_P4; 1552 1553 SET_MFW_FIELD(phy_cfg.extended_speed, ETH_EXT_SPEED, 1554 ext_speed); 1555 1556 ext_speed = 0; 1557 1558 val = params->ext_speed.advertised_speeds; 1559 if (val & QED_EXT_SPEED_MASK_1G) 1560 ext_speed |= ETH_EXT_ADV_SPEED_1G; 1561 if (val & QED_EXT_SPEED_MASK_10G) 1562 ext_speed |= ETH_EXT_ADV_SPEED_10G; 1563 if (val & QED_EXT_SPEED_MASK_20G) 1564 ext_speed |= ETH_EXT_ADV_SPEED_20G; 1565 if (val & QED_EXT_SPEED_MASK_25G) 1566 ext_speed |= ETH_EXT_ADV_SPEED_25G; 1567 if (val & QED_EXT_SPEED_MASK_40G) 1568 ext_speed |= ETH_EXT_ADV_SPEED_40G; 1569 if (val & QED_EXT_SPEED_MASK_50G_R) 1570 ext_speed |= ETH_EXT_ADV_SPEED_50G_BASE_R; 1571 if (val & QED_EXT_SPEED_MASK_50G_R2) 1572 ext_speed |= ETH_EXT_ADV_SPEED_50G_BASE_R2; 1573 if (val & QED_EXT_SPEED_MASK_100G_R2) 1574 ext_speed |= ETH_EXT_ADV_SPEED_100G_BASE_R2; 1575 if (val & QED_EXT_SPEED_MASK_100G_R4) 1576 ext_speed |= ETH_EXT_ADV_SPEED_100G_BASE_R4; 1577 if (val & QED_EXT_SPEED_MASK_100G_P4) 1578 ext_speed |= ETH_EXT_ADV_SPEED_100G_BASE_P4; 1579 1580 phy_cfg.extended_speed |= ext_speed; 1581 1582 SET_MFW_FIELD(phy_cfg.fec_mode, FEC_EXTENDED_MODE, 1583 params->ext_fec_mode); 1584 } 1585 1586 p_hwfn->b_drv_link_init = b_up; 1587 1588 if (b_up) { 1589 DP_VERBOSE(p_hwfn, NETIF_MSG_LINK, 1590 "Configuring Link: Speed 0x%08x, Pause 0x%08x, Adv. Speed 0x%08x, Loopback 0x%08x, FEC 0x%08x, Ext. Speed 0x%08x\n", 1591 phy_cfg.speed, phy_cfg.pause, phy_cfg.adv_speed, 1592 phy_cfg.loopback_mode, phy_cfg.fec_mode, 1593 phy_cfg.extended_speed); 1594 } else { 1595 DP_VERBOSE(p_hwfn, NETIF_MSG_LINK, "Resetting link\n"); 1596 } 1597 1598 memset(&mb_params, 0, sizeof(mb_params)); 1599 mb_params.cmd = cmd; 1600 mb_params.p_data_src = &phy_cfg; 1601 mb_params.data_src_size = sizeof(phy_cfg); 1602 rc = qed_mcp_cmd_and_union(p_hwfn, p_ptt, &mb_params); 1603 1604 /* if mcp fails to respond we must abort */ 1605 if (rc) { 1606 DP_ERR(p_hwfn, "MCP response failure, aborting\n"); 1607 return rc; 1608 } 1609 1610 /* Mimic link-change attention, done for several reasons: 1611 * - On reset, there's no guarantee MFW would trigger 1612 * an attention. 1613 * - On initialization, older MFWs might not indicate link change 1614 * during LFA, so we'll never get an UP indication. 1615 */ 1616 qed_mcp_handle_link_change(p_hwfn, p_ptt, !b_up); 1617 1618 return 0; 1619 } 1620 1621 u32 qed_get_process_kill_counter(struct qed_hwfn *p_hwfn, 1622 struct qed_ptt *p_ptt) 1623 { 1624 u32 path_offsize_addr, path_offsize, path_addr, proc_kill_cnt; 1625 1626 if (IS_VF(p_hwfn->cdev)) 1627 return -EINVAL; 1628 1629 path_offsize_addr = SECTION_OFFSIZE_ADDR(p_hwfn->mcp_info->public_base, 1630 PUBLIC_PATH); 1631 path_offsize = qed_rd(p_hwfn, p_ptt, path_offsize_addr); 1632 path_addr = SECTION_ADDR(path_offsize, QED_PATH_ID(p_hwfn)); 1633 1634 proc_kill_cnt = qed_rd(p_hwfn, p_ptt, 1635 path_addr + 1636 offsetof(struct public_path, process_kill)) & 1637 PROCESS_KILL_COUNTER_MASK; 1638 1639 return proc_kill_cnt; 1640 } 1641 1642 static void qed_mcp_handle_process_kill(struct qed_hwfn *p_hwfn, 1643 struct qed_ptt *p_ptt) 1644 { 1645 struct qed_dev *cdev = p_hwfn->cdev; 1646 u32 proc_kill_cnt; 1647 1648 /* Prevent possible attentions/interrupts during the recovery handling 1649 * and till its load phase, during which they will be re-enabled. 1650 */ 1651 qed_int_igu_disable_int(p_hwfn, p_ptt); 1652 1653 DP_NOTICE(p_hwfn, "Received a process kill indication\n"); 1654 1655 /* The following operations should be done once, and thus in CMT mode 1656 * are carried out by only the first HW function. 1657 */ 1658 if (p_hwfn != QED_LEADING_HWFN(cdev)) 1659 return; 1660 1661 if (cdev->recov_in_prog) { 1662 DP_NOTICE(p_hwfn, 1663 "Ignoring the indication since a recovery process is already in progress\n"); 1664 return; 1665 } 1666 1667 cdev->recov_in_prog = true; 1668 1669 proc_kill_cnt = qed_get_process_kill_counter(p_hwfn, p_ptt); 1670 DP_NOTICE(p_hwfn, "Process kill counter: %d\n", proc_kill_cnt); 1671 1672 qed_schedule_recovery_handler(p_hwfn); 1673 } 1674 1675 static void qed_mcp_send_protocol_stats(struct qed_hwfn *p_hwfn, 1676 struct qed_ptt *p_ptt, 1677 enum MFW_DRV_MSG_TYPE type) 1678 { 1679 enum qed_mcp_protocol_type stats_type; 1680 union qed_mcp_protocol_stats stats; 1681 struct qed_mcp_mb_params mb_params; 1682 u32 hsi_param; 1683 1684 switch (type) { 1685 case MFW_DRV_MSG_GET_LAN_STATS: 1686 stats_type = QED_MCP_LAN_STATS; 1687 hsi_param = DRV_MSG_CODE_STATS_TYPE_LAN; 1688 break; 1689 case MFW_DRV_MSG_GET_FCOE_STATS: 1690 stats_type = QED_MCP_FCOE_STATS; 1691 hsi_param = DRV_MSG_CODE_STATS_TYPE_FCOE; 1692 break; 1693 case MFW_DRV_MSG_GET_ISCSI_STATS: 1694 stats_type = QED_MCP_ISCSI_STATS; 1695 hsi_param = DRV_MSG_CODE_STATS_TYPE_ISCSI; 1696 break; 1697 case MFW_DRV_MSG_GET_RDMA_STATS: 1698 stats_type = QED_MCP_RDMA_STATS; 1699 hsi_param = DRV_MSG_CODE_STATS_TYPE_RDMA; 1700 break; 1701 default: 1702 DP_NOTICE(p_hwfn, "Invalid protocol type %d\n", type); 1703 return; 1704 } 1705 1706 qed_get_protocol_stats(p_hwfn->cdev, stats_type, &stats); 1707 1708 memset(&mb_params, 0, sizeof(mb_params)); 1709 mb_params.cmd = DRV_MSG_CODE_GET_STATS; 1710 mb_params.param = hsi_param; 1711 mb_params.p_data_src = &stats; 1712 mb_params.data_src_size = sizeof(stats); 1713 qed_mcp_cmd_and_union(p_hwfn, p_ptt, &mb_params); 1714 } 1715 1716 static void qed_mcp_update_bw(struct qed_hwfn *p_hwfn, struct qed_ptt *p_ptt) 1717 { 1718 struct qed_mcp_function_info *p_info; 1719 struct public_func shmem_info; 1720 u32 resp = 0, param = 0; 1721 1722 qed_mcp_get_shmem_func(p_hwfn, p_ptt, &shmem_info, MCP_PF_ID(p_hwfn)); 1723 1724 qed_read_pf_bandwidth(p_hwfn, &shmem_info); 1725 1726 p_info = &p_hwfn->mcp_info->func_info; 1727 1728 qed_configure_pf_min_bandwidth(p_hwfn->cdev, p_info->bandwidth_min); 1729 qed_configure_pf_max_bandwidth(p_hwfn->cdev, p_info->bandwidth_max); 1730 1731 /* Acknowledge the MFW */ 1732 qed_mcp_cmd(p_hwfn, p_ptt, DRV_MSG_CODE_BW_UPDATE_ACK, 0, &resp, 1733 ¶m); 1734 } 1735 1736 static void qed_mcp_update_stag(struct qed_hwfn *p_hwfn, struct qed_ptt *p_ptt) 1737 { 1738 struct public_func shmem_info; 1739 u32 resp = 0, param = 0; 1740 1741 qed_mcp_get_shmem_func(p_hwfn, p_ptt, &shmem_info, MCP_PF_ID(p_hwfn)); 1742 1743 p_hwfn->mcp_info->func_info.ovlan = (u16)shmem_info.ovlan_stag & 1744 FUNC_MF_CFG_OV_STAG_MASK; 1745 p_hwfn->hw_info.ovlan = p_hwfn->mcp_info->func_info.ovlan; 1746 if (test_bit(QED_MF_OVLAN_CLSS, &p_hwfn->cdev->mf_bits)) { 1747 if (p_hwfn->hw_info.ovlan != QED_MCP_VLAN_UNSET) { 1748 qed_wr(p_hwfn, p_ptt, NIG_REG_LLH_FUNC_TAG_VALUE, 1749 p_hwfn->hw_info.ovlan); 1750 qed_wr(p_hwfn, p_ptt, NIG_REG_LLH_FUNC_TAG_EN, 1); 1751 1752 /* Configure DB to add external vlan to EDPM packets */ 1753 qed_wr(p_hwfn, p_ptt, DORQ_REG_TAG1_OVRD_MODE, 1); 1754 qed_wr(p_hwfn, p_ptt, DORQ_REG_PF_EXT_VID_BB_K2, 1755 p_hwfn->hw_info.ovlan); 1756 } else { 1757 qed_wr(p_hwfn, p_ptt, NIG_REG_LLH_FUNC_TAG_EN, 0); 1758 qed_wr(p_hwfn, p_ptt, NIG_REG_LLH_FUNC_TAG_VALUE, 0); 1759 qed_wr(p_hwfn, p_ptt, DORQ_REG_TAG1_OVRD_MODE, 0); 1760 qed_wr(p_hwfn, p_ptt, DORQ_REG_PF_EXT_VID_BB_K2, 0); 1761 } 1762 1763 qed_sp_pf_update_stag(p_hwfn); 1764 } 1765 1766 DP_VERBOSE(p_hwfn, QED_MSG_SP, "ovlan = %d hw_mode = 0x%x\n", 1767 p_hwfn->mcp_info->func_info.ovlan, p_hwfn->hw_info.hw_mode); 1768 1769 /* Acknowledge the MFW */ 1770 qed_mcp_cmd(p_hwfn, p_ptt, DRV_MSG_CODE_S_TAG_UPDATE_ACK, 0, 1771 &resp, ¶m); 1772 } 1773 1774 static void qed_mcp_handle_fan_failure(struct qed_hwfn *p_hwfn, 1775 struct qed_ptt *p_ptt) 1776 { 1777 /* A single notification should be sent to upper driver in CMT mode */ 1778 if (p_hwfn != QED_LEADING_HWFN(p_hwfn->cdev)) 1779 return; 1780 1781 qed_hw_err_notify(p_hwfn, p_ptt, QED_HW_ERR_FAN_FAIL, 1782 "Fan failure was detected on the network interface card and it's going to be shut down.\n"); 1783 } 1784 1785 struct qed_mdump_cmd_params { 1786 u32 cmd; 1787 void *p_data_src; 1788 u8 data_src_size; 1789 void *p_data_dst; 1790 u8 data_dst_size; 1791 u32 mcp_resp; 1792 }; 1793 1794 static int 1795 qed_mcp_mdump_cmd(struct qed_hwfn *p_hwfn, 1796 struct qed_ptt *p_ptt, 1797 struct qed_mdump_cmd_params *p_mdump_cmd_params) 1798 { 1799 struct qed_mcp_mb_params mb_params; 1800 int rc; 1801 1802 memset(&mb_params, 0, sizeof(mb_params)); 1803 mb_params.cmd = DRV_MSG_CODE_MDUMP_CMD; 1804 mb_params.param = p_mdump_cmd_params->cmd; 1805 mb_params.p_data_src = p_mdump_cmd_params->p_data_src; 1806 mb_params.data_src_size = p_mdump_cmd_params->data_src_size; 1807 mb_params.p_data_dst = p_mdump_cmd_params->p_data_dst; 1808 mb_params.data_dst_size = p_mdump_cmd_params->data_dst_size; 1809 rc = qed_mcp_cmd_and_union(p_hwfn, p_ptt, &mb_params); 1810 if (rc) 1811 return rc; 1812 1813 p_mdump_cmd_params->mcp_resp = mb_params.mcp_resp; 1814 1815 if (p_mdump_cmd_params->mcp_resp == FW_MSG_CODE_MDUMP_INVALID_CMD) { 1816 DP_INFO(p_hwfn, 1817 "The mdump sub command is unsupported by the MFW [mdump_cmd 0x%x]\n", 1818 p_mdump_cmd_params->cmd); 1819 rc = -EOPNOTSUPP; 1820 } else if (p_mdump_cmd_params->mcp_resp == FW_MSG_CODE_UNSUPPORTED) { 1821 DP_INFO(p_hwfn, 1822 "The mdump command is not supported by the MFW\n"); 1823 rc = -EOPNOTSUPP; 1824 } 1825 1826 return rc; 1827 } 1828 1829 static int qed_mcp_mdump_ack(struct qed_hwfn *p_hwfn, struct qed_ptt *p_ptt) 1830 { 1831 struct qed_mdump_cmd_params mdump_cmd_params; 1832 1833 memset(&mdump_cmd_params, 0, sizeof(mdump_cmd_params)); 1834 mdump_cmd_params.cmd = DRV_MSG_CODE_MDUMP_ACK; 1835 1836 return qed_mcp_mdump_cmd(p_hwfn, p_ptt, &mdump_cmd_params); 1837 } 1838 1839 int 1840 qed_mcp_mdump_get_retain(struct qed_hwfn *p_hwfn, 1841 struct qed_ptt *p_ptt, 1842 struct mdump_retain_data_stc *p_mdump_retain) 1843 { 1844 struct qed_mdump_cmd_params mdump_cmd_params; 1845 int rc; 1846 1847 memset(&mdump_cmd_params, 0, sizeof(mdump_cmd_params)); 1848 mdump_cmd_params.cmd = DRV_MSG_CODE_MDUMP_GET_RETAIN; 1849 mdump_cmd_params.p_data_dst = p_mdump_retain; 1850 mdump_cmd_params.data_dst_size = sizeof(*p_mdump_retain); 1851 1852 rc = qed_mcp_mdump_cmd(p_hwfn, p_ptt, &mdump_cmd_params); 1853 if (rc) 1854 return rc; 1855 1856 if (mdump_cmd_params.mcp_resp != FW_MSG_CODE_OK) { 1857 DP_INFO(p_hwfn, 1858 "Failed to get the mdump retained data [mcp_resp 0x%x]\n", 1859 mdump_cmd_params.mcp_resp); 1860 return -EINVAL; 1861 } 1862 1863 return 0; 1864 } 1865 1866 static void qed_mcp_handle_critical_error(struct qed_hwfn *p_hwfn, 1867 struct qed_ptt *p_ptt) 1868 { 1869 struct mdump_retain_data_stc mdump_retain; 1870 int rc; 1871 1872 /* In CMT mode - no need for more than a single acknowledgment to the 1873 * MFW, and no more than a single notification to the upper driver. 1874 */ 1875 if (p_hwfn != QED_LEADING_HWFN(p_hwfn->cdev)) 1876 return; 1877 1878 rc = qed_mcp_mdump_get_retain(p_hwfn, p_ptt, &mdump_retain); 1879 if (rc == 0 && mdump_retain.valid) 1880 DP_NOTICE(p_hwfn, 1881 "The MFW notified that a critical error occurred in the device [epoch 0x%08x, pf 0x%x, status 0x%08x]\n", 1882 mdump_retain.epoch, 1883 mdump_retain.pf, mdump_retain.status); 1884 else 1885 DP_NOTICE(p_hwfn, 1886 "The MFW notified that a critical error occurred in the device\n"); 1887 1888 DP_NOTICE(p_hwfn, 1889 "Acknowledging the notification to not allow the MFW crash dump [driver debug data collection is preferable]\n"); 1890 qed_mcp_mdump_ack(p_hwfn, p_ptt); 1891 1892 qed_hw_err_notify(p_hwfn, p_ptt, QED_HW_ERR_HW_ATTN, NULL); 1893 } 1894 1895 void qed_mcp_read_ufp_config(struct qed_hwfn *p_hwfn, struct qed_ptt *p_ptt) 1896 { 1897 struct public_func shmem_info; 1898 u32 port_cfg, val; 1899 1900 if (!test_bit(QED_MF_UFP_SPECIFIC, &p_hwfn->cdev->mf_bits)) 1901 return; 1902 1903 memset(&p_hwfn->ufp_info, 0, sizeof(p_hwfn->ufp_info)); 1904 port_cfg = qed_rd(p_hwfn, p_ptt, p_hwfn->mcp_info->port_addr + 1905 offsetof(struct public_port, oem_cfg_port)); 1906 val = (port_cfg & OEM_CFG_CHANNEL_TYPE_MASK) >> 1907 OEM_CFG_CHANNEL_TYPE_OFFSET; 1908 if (val != OEM_CFG_CHANNEL_TYPE_STAGGED) 1909 DP_NOTICE(p_hwfn, 1910 "Incorrect UFP Channel type %d port_id 0x%02x\n", 1911 val, MFW_PORT(p_hwfn)); 1912 1913 val = (port_cfg & OEM_CFG_SCHED_TYPE_MASK) >> OEM_CFG_SCHED_TYPE_OFFSET; 1914 if (val == OEM_CFG_SCHED_TYPE_ETS) { 1915 p_hwfn->ufp_info.mode = QED_UFP_MODE_ETS; 1916 } else if (val == OEM_CFG_SCHED_TYPE_VNIC_BW) { 1917 p_hwfn->ufp_info.mode = QED_UFP_MODE_VNIC_BW; 1918 } else { 1919 p_hwfn->ufp_info.mode = QED_UFP_MODE_UNKNOWN; 1920 DP_NOTICE(p_hwfn, 1921 "Unknown UFP scheduling mode %d port_id 0x%02x\n", 1922 val, MFW_PORT(p_hwfn)); 1923 } 1924 1925 qed_mcp_get_shmem_func(p_hwfn, p_ptt, &shmem_info, MCP_PF_ID(p_hwfn)); 1926 val = (shmem_info.oem_cfg_func & OEM_CFG_FUNC_TC_MASK) >> 1927 OEM_CFG_FUNC_TC_OFFSET; 1928 p_hwfn->ufp_info.tc = (u8)val; 1929 val = (shmem_info.oem_cfg_func & OEM_CFG_FUNC_HOST_PRI_CTRL_MASK) >> 1930 OEM_CFG_FUNC_HOST_PRI_CTRL_OFFSET; 1931 if (val == OEM_CFG_FUNC_HOST_PRI_CTRL_VNIC) { 1932 p_hwfn->ufp_info.pri_type = QED_UFP_PRI_VNIC; 1933 } else if (val == OEM_CFG_FUNC_HOST_PRI_CTRL_OS) { 1934 p_hwfn->ufp_info.pri_type = QED_UFP_PRI_OS; 1935 } else { 1936 p_hwfn->ufp_info.pri_type = QED_UFP_PRI_UNKNOWN; 1937 DP_NOTICE(p_hwfn, 1938 "Unknown Host priority control %d port_id 0x%02x\n", 1939 val, MFW_PORT(p_hwfn)); 1940 } 1941 1942 DP_NOTICE(p_hwfn, 1943 "UFP shmem config: mode = %d tc = %d pri_type = %d port_id 0x%02x\n", 1944 p_hwfn->ufp_info.mode, p_hwfn->ufp_info.tc, 1945 p_hwfn->ufp_info.pri_type, MFW_PORT(p_hwfn)); 1946 } 1947 1948 static int 1949 qed_mcp_handle_ufp_event(struct qed_hwfn *p_hwfn, struct qed_ptt *p_ptt) 1950 { 1951 qed_mcp_read_ufp_config(p_hwfn, p_ptt); 1952 1953 if (p_hwfn->ufp_info.mode == QED_UFP_MODE_VNIC_BW) { 1954 p_hwfn->qm_info.ooo_tc = p_hwfn->ufp_info.tc; 1955 qed_hw_info_set_offload_tc(&p_hwfn->hw_info, 1956 p_hwfn->ufp_info.tc); 1957 1958 qed_qm_reconf(p_hwfn, p_ptt); 1959 } else if (p_hwfn->ufp_info.mode == QED_UFP_MODE_ETS) { 1960 /* Merge UFP TC with the dcbx TC data */ 1961 qed_dcbx_mib_update_event(p_hwfn, p_ptt, 1962 QED_DCBX_OPERATIONAL_MIB); 1963 } else { 1964 DP_ERR(p_hwfn, "Invalid sched type, discard the UFP config\n"); 1965 return -EINVAL; 1966 } 1967 1968 /* update storm FW with negotiation results */ 1969 qed_sp_pf_update_ufp(p_hwfn); 1970 1971 /* update stag pcp value */ 1972 qed_sp_pf_update_stag(p_hwfn); 1973 1974 return 0; 1975 } 1976 1977 int qed_mcp_handle_events(struct qed_hwfn *p_hwfn, 1978 struct qed_ptt *p_ptt) 1979 { 1980 struct qed_mcp_info *info = p_hwfn->mcp_info; 1981 int rc = 0; 1982 bool found = false; 1983 u16 i; 1984 1985 DP_VERBOSE(p_hwfn, QED_MSG_SP, "Received message from MFW\n"); 1986 1987 /* Read Messages from MFW */ 1988 qed_mcp_read_mb(p_hwfn, p_ptt); 1989 1990 /* Compare current messages to old ones */ 1991 for (i = 0; i < info->mfw_mb_length; i++) { 1992 if (info->mfw_mb_cur[i] == info->mfw_mb_shadow[i]) 1993 continue; 1994 1995 found = true; 1996 1997 DP_VERBOSE(p_hwfn, NETIF_MSG_LINK, 1998 "Msg [%d] - old CMD 0x%02x, new CMD 0x%02x\n", 1999 i, info->mfw_mb_shadow[i], info->mfw_mb_cur[i]); 2000 2001 switch (i) { 2002 case MFW_DRV_MSG_LINK_CHANGE: 2003 qed_mcp_handle_link_change(p_hwfn, p_ptt, false); 2004 break; 2005 case MFW_DRV_MSG_VF_DISABLED: 2006 qed_mcp_handle_vf_flr(p_hwfn, p_ptt); 2007 break; 2008 case MFW_DRV_MSG_LLDP_DATA_UPDATED: 2009 qed_dcbx_mib_update_event(p_hwfn, p_ptt, 2010 QED_DCBX_REMOTE_LLDP_MIB); 2011 break; 2012 case MFW_DRV_MSG_DCBX_REMOTE_MIB_UPDATED: 2013 qed_dcbx_mib_update_event(p_hwfn, p_ptt, 2014 QED_DCBX_REMOTE_MIB); 2015 break; 2016 case MFW_DRV_MSG_DCBX_OPERATIONAL_MIB_UPDATED: 2017 qed_dcbx_mib_update_event(p_hwfn, p_ptt, 2018 QED_DCBX_OPERATIONAL_MIB); 2019 break; 2020 case MFW_DRV_MSG_OEM_CFG_UPDATE: 2021 qed_mcp_handle_ufp_event(p_hwfn, p_ptt); 2022 break; 2023 case MFW_DRV_MSG_TRANSCEIVER_STATE_CHANGE: 2024 qed_mcp_handle_transceiver_change(p_hwfn, p_ptt); 2025 break; 2026 case MFW_DRV_MSG_ERROR_RECOVERY: 2027 qed_mcp_handle_process_kill(p_hwfn, p_ptt); 2028 break; 2029 case MFW_DRV_MSG_GET_LAN_STATS: 2030 case MFW_DRV_MSG_GET_FCOE_STATS: 2031 case MFW_DRV_MSG_GET_ISCSI_STATS: 2032 case MFW_DRV_MSG_GET_RDMA_STATS: 2033 qed_mcp_send_protocol_stats(p_hwfn, p_ptt, i); 2034 break; 2035 case MFW_DRV_MSG_BW_UPDATE: 2036 qed_mcp_update_bw(p_hwfn, p_ptt); 2037 break; 2038 case MFW_DRV_MSG_S_TAG_UPDATE: 2039 qed_mcp_update_stag(p_hwfn, p_ptt); 2040 break; 2041 case MFW_DRV_MSG_FAILURE_DETECTED: 2042 qed_mcp_handle_fan_failure(p_hwfn, p_ptt); 2043 break; 2044 case MFW_DRV_MSG_CRITICAL_ERROR_OCCURRED: 2045 qed_mcp_handle_critical_error(p_hwfn, p_ptt); 2046 break; 2047 case MFW_DRV_MSG_GET_TLV_REQ: 2048 qed_mfw_tlv_req(p_hwfn); 2049 break; 2050 default: 2051 DP_INFO(p_hwfn, "Unimplemented MFW message %d\n", i); 2052 rc = -EINVAL; 2053 } 2054 } 2055 2056 /* ACK everything */ 2057 for (i = 0; i < MFW_DRV_MSG_MAX_DWORDS(info->mfw_mb_length); i++) { 2058 __be32 val = cpu_to_be32(((u32 *)info->mfw_mb_cur)[i]); 2059 2060 /* MFW expect answer in BE, so we force write in that format */ 2061 qed_wr(p_hwfn, p_ptt, 2062 info->mfw_mb_addr + sizeof(u32) + 2063 MFW_DRV_MSG_MAX_DWORDS(info->mfw_mb_length) * 2064 sizeof(u32) + i * sizeof(u32), 2065 (__force u32)val); 2066 } 2067 2068 if (!found) { 2069 DP_NOTICE(p_hwfn, 2070 "Received an MFW message indication but no new message!\n"); 2071 rc = -EINVAL; 2072 } 2073 2074 /* Copy the new mfw messages into the shadow */ 2075 memcpy(info->mfw_mb_shadow, info->mfw_mb_cur, info->mfw_mb_length); 2076 2077 return rc; 2078 } 2079 2080 int qed_mcp_get_mfw_ver(struct qed_hwfn *p_hwfn, 2081 struct qed_ptt *p_ptt, 2082 u32 *p_mfw_ver, u32 *p_running_bundle_id) 2083 { 2084 u32 global_offsize; 2085 2086 if (IS_VF(p_hwfn->cdev)) { 2087 if (p_hwfn->vf_iov_info) { 2088 struct pfvf_acquire_resp_tlv *p_resp; 2089 2090 p_resp = &p_hwfn->vf_iov_info->acquire_resp; 2091 *p_mfw_ver = p_resp->pfdev_info.mfw_ver; 2092 return 0; 2093 } else { 2094 DP_VERBOSE(p_hwfn, 2095 QED_MSG_IOV, 2096 "VF requested MFW version prior to ACQUIRE\n"); 2097 return -EINVAL; 2098 } 2099 } 2100 2101 global_offsize = qed_rd(p_hwfn, p_ptt, 2102 SECTION_OFFSIZE_ADDR(p_hwfn-> 2103 mcp_info->public_base, 2104 PUBLIC_GLOBAL)); 2105 *p_mfw_ver = 2106 qed_rd(p_hwfn, p_ptt, 2107 SECTION_ADDR(global_offsize, 2108 0) + offsetof(struct public_global, mfw_ver)); 2109 2110 if (p_running_bundle_id != NULL) { 2111 *p_running_bundle_id = qed_rd(p_hwfn, p_ptt, 2112 SECTION_ADDR(global_offsize, 0) + 2113 offsetof(struct public_global, 2114 running_bundle_id)); 2115 } 2116 2117 return 0; 2118 } 2119 2120 int qed_mcp_get_mbi_ver(struct qed_hwfn *p_hwfn, 2121 struct qed_ptt *p_ptt, u32 *p_mbi_ver) 2122 { 2123 u32 nvm_cfg_addr, nvm_cfg1_offset, mbi_ver_addr; 2124 2125 if (IS_VF(p_hwfn->cdev)) 2126 return -EINVAL; 2127 2128 /* Read the address of the nvm_cfg */ 2129 nvm_cfg_addr = qed_rd(p_hwfn, p_ptt, MISC_REG_GEN_PURP_CR0); 2130 if (!nvm_cfg_addr) { 2131 DP_NOTICE(p_hwfn, "Shared memory not initialized\n"); 2132 return -EINVAL; 2133 } 2134 2135 /* Read the offset of nvm_cfg1 */ 2136 nvm_cfg1_offset = qed_rd(p_hwfn, p_ptt, nvm_cfg_addr + 4); 2137 2138 mbi_ver_addr = MCP_REG_SCRATCH + nvm_cfg1_offset + 2139 offsetof(struct nvm_cfg1, glob) + 2140 offsetof(struct nvm_cfg1_glob, mbi_version); 2141 *p_mbi_ver = qed_rd(p_hwfn, p_ptt, 2142 mbi_ver_addr) & 2143 (NVM_CFG1_GLOB_MBI_VERSION_0_MASK | 2144 NVM_CFG1_GLOB_MBI_VERSION_1_MASK | 2145 NVM_CFG1_GLOB_MBI_VERSION_2_MASK); 2146 2147 return 0; 2148 } 2149 2150 int qed_mcp_get_media_type(struct qed_hwfn *p_hwfn, 2151 struct qed_ptt *p_ptt, u32 *p_media_type) 2152 { 2153 *p_media_type = MEDIA_UNSPECIFIED; 2154 2155 if (IS_VF(p_hwfn->cdev)) 2156 return -EINVAL; 2157 2158 if (!qed_mcp_is_init(p_hwfn)) { 2159 DP_NOTICE(p_hwfn, "MFW is not initialized!\n"); 2160 return -EBUSY; 2161 } 2162 2163 if (!p_ptt) { 2164 *p_media_type = MEDIA_UNSPECIFIED; 2165 return -EINVAL; 2166 } 2167 2168 *p_media_type = qed_rd(p_hwfn, p_ptt, 2169 p_hwfn->mcp_info->port_addr + 2170 offsetof(struct public_port, 2171 media_type)); 2172 2173 return 0; 2174 } 2175 2176 int qed_mcp_get_transceiver_data(struct qed_hwfn *p_hwfn, 2177 struct qed_ptt *p_ptt, 2178 u32 *p_transceiver_state, 2179 u32 *p_transceiver_type) 2180 { 2181 u32 transceiver_info; 2182 2183 *p_transceiver_type = ETH_TRANSCEIVER_TYPE_NONE; 2184 *p_transceiver_state = ETH_TRANSCEIVER_STATE_UPDATING; 2185 2186 if (IS_VF(p_hwfn->cdev)) 2187 return -EINVAL; 2188 2189 if (!qed_mcp_is_init(p_hwfn)) { 2190 DP_NOTICE(p_hwfn, "MFW is not initialized!\n"); 2191 return -EBUSY; 2192 } 2193 2194 transceiver_info = qed_rd(p_hwfn, p_ptt, 2195 p_hwfn->mcp_info->port_addr + 2196 offsetof(struct public_port, 2197 transceiver_data)); 2198 2199 *p_transceiver_state = (transceiver_info & 2200 ETH_TRANSCEIVER_STATE_MASK) >> 2201 ETH_TRANSCEIVER_STATE_OFFSET; 2202 2203 if (*p_transceiver_state == ETH_TRANSCEIVER_STATE_PRESENT) 2204 *p_transceiver_type = (transceiver_info & 2205 ETH_TRANSCEIVER_TYPE_MASK) >> 2206 ETH_TRANSCEIVER_TYPE_OFFSET; 2207 else 2208 *p_transceiver_type = ETH_TRANSCEIVER_TYPE_UNKNOWN; 2209 2210 return 0; 2211 } 2212 static bool qed_is_transceiver_ready(u32 transceiver_state, 2213 u32 transceiver_type) 2214 { 2215 if ((transceiver_state & ETH_TRANSCEIVER_STATE_PRESENT) && 2216 ((transceiver_state & ETH_TRANSCEIVER_STATE_UPDATING) == 0x0) && 2217 (transceiver_type != ETH_TRANSCEIVER_TYPE_NONE)) 2218 return true; 2219 2220 return false; 2221 } 2222 2223 int qed_mcp_trans_speed_mask(struct qed_hwfn *p_hwfn, 2224 struct qed_ptt *p_ptt, u32 *p_speed_mask) 2225 { 2226 u32 transceiver_type, transceiver_state; 2227 int ret; 2228 2229 ret = qed_mcp_get_transceiver_data(p_hwfn, p_ptt, &transceiver_state, 2230 &transceiver_type); 2231 if (ret) 2232 return ret; 2233 2234 if (qed_is_transceiver_ready(transceiver_state, transceiver_type) == 2235 false) 2236 return -EINVAL; 2237 2238 switch (transceiver_type) { 2239 case ETH_TRANSCEIVER_TYPE_1G_LX: 2240 case ETH_TRANSCEIVER_TYPE_1G_SX: 2241 case ETH_TRANSCEIVER_TYPE_1G_PCC: 2242 case ETH_TRANSCEIVER_TYPE_1G_ACC: 2243 case ETH_TRANSCEIVER_TYPE_1000BASET: 2244 *p_speed_mask = NVM_CFG1_PORT_DRV_SPEED_CAPABILITY_MASK_1G; 2245 break; 2246 case ETH_TRANSCEIVER_TYPE_10G_SR: 2247 case ETH_TRANSCEIVER_TYPE_10G_LR: 2248 case ETH_TRANSCEIVER_TYPE_10G_LRM: 2249 case ETH_TRANSCEIVER_TYPE_10G_ER: 2250 case ETH_TRANSCEIVER_TYPE_10G_PCC: 2251 case ETH_TRANSCEIVER_TYPE_10G_ACC: 2252 case ETH_TRANSCEIVER_TYPE_4x10G: 2253 *p_speed_mask = NVM_CFG1_PORT_DRV_SPEED_CAPABILITY_MASK_10G; 2254 break; 2255 case ETH_TRANSCEIVER_TYPE_40G_LR4: 2256 case ETH_TRANSCEIVER_TYPE_40G_SR4: 2257 case ETH_TRANSCEIVER_TYPE_MULTI_RATE_10G_40G_SR: 2258 case ETH_TRANSCEIVER_TYPE_MULTI_RATE_10G_40G_LR: 2259 *p_speed_mask = NVM_CFG1_PORT_DRV_SPEED_CAPABILITY_MASK_40G | 2260 NVM_CFG1_PORT_DRV_SPEED_CAPABILITY_MASK_10G; 2261 break; 2262 case ETH_TRANSCEIVER_TYPE_100G_AOC: 2263 case ETH_TRANSCEIVER_TYPE_100G_SR4: 2264 case ETH_TRANSCEIVER_TYPE_100G_LR4: 2265 case ETH_TRANSCEIVER_TYPE_100G_ER4: 2266 case ETH_TRANSCEIVER_TYPE_100G_ACC: 2267 *p_speed_mask = 2268 NVM_CFG1_PORT_DRV_SPEED_CAPABILITY_MASK_BB_100G | 2269 NVM_CFG1_PORT_DRV_SPEED_CAPABILITY_MASK_25G; 2270 break; 2271 case ETH_TRANSCEIVER_TYPE_25G_SR: 2272 case ETH_TRANSCEIVER_TYPE_25G_LR: 2273 case ETH_TRANSCEIVER_TYPE_25G_AOC: 2274 case ETH_TRANSCEIVER_TYPE_25G_ACC_S: 2275 case ETH_TRANSCEIVER_TYPE_25G_ACC_M: 2276 case ETH_TRANSCEIVER_TYPE_25G_ACC_L: 2277 *p_speed_mask = NVM_CFG1_PORT_DRV_SPEED_CAPABILITY_MASK_25G; 2278 break; 2279 case ETH_TRANSCEIVER_TYPE_25G_CA_N: 2280 case ETH_TRANSCEIVER_TYPE_25G_CA_S: 2281 case ETH_TRANSCEIVER_TYPE_25G_CA_L: 2282 case ETH_TRANSCEIVER_TYPE_4x25G_CR: 2283 *p_speed_mask = NVM_CFG1_PORT_DRV_SPEED_CAPABILITY_MASK_25G | 2284 NVM_CFG1_PORT_DRV_SPEED_CAPABILITY_MASK_10G | 2285 NVM_CFG1_PORT_DRV_SPEED_CAPABILITY_MASK_1G; 2286 break; 2287 case ETH_TRANSCEIVER_TYPE_MULTI_RATE_10G_25G_SR: 2288 case ETH_TRANSCEIVER_TYPE_MULTI_RATE_10G_25G_LR: 2289 *p_speed_mask = NVM_CFG1_PORT_DRV_SPEED_CAPABILITY_MASK_25G | 2290 NVM_CFG1_PORT_DRV_SPEED_CAPABILITY_MASK_10G; 2291 break; 2292 case ETH_TRANSCEIVER_TYPE_40G_CR4: 2293 case ETH_TRANSCEIVER_TYPE_MULTI_RATE_10G_40G_CR: 2294 *p_speed_mask = NVM_CFG1_PORT_DRV_SPEED_CAPABILITY_MASK_40G | 2295 NVM_CFG1_PORT_DRV_SPEED_CAPABILITY_MASK_10G | 2296 NVM_CFG1_PORT_DRV_SPEED_CAPABILITY_MASK_1G; 2297 break; 2298 case ETH_TRANSCEIVER_TYPE_100G_CR4: 2299 case ETH_TRANSCEIVER_TYPE_MULTI_RATE_40G_100G_CR: 2300 *p_speed_mask = 2301 NVM_CFG1_PORT_DRV_SPEED_CAPABILITY_MASK_BB_100G | 2302 NVM_CFG1_PORT_DRV_SPEED_CAPABILITY_MASK_50G | 2303 NVM_CFG1_PORT_DRV_SPEED_CAPABILITY_MASK_40G | 2304 NVM_CFG1_PORT_DRV_SPEED_CAPABILITY_MASK_25G | 2305 NVM_CFG1_PORT_DRV_SPEED_CAPABILITY_MASK_20G | 2306 NVM_CFG1_PORT_DRV_SPEED_CAPABILITY_MASK_10G | 2307 NVM_CFG1_PORT_DRV_SPEED_CAPABILITY_MASK_1G; 2308 break; 2309 case ETH_TRANSCEIVER_TYPE_MULTI_RATE_40G_100G_SR: 2310 case ETH_TRANSCEIVER_TYPE_MULTI_RATE_40G_100G_LR: 2311 case ETH_TRANSCEIVER_TYPE_MULTI_RATE_40G_100G_AOC: 2312 *p_speed_mask = 2313 NVM_CFG1_PORT_DRV_SPEED_CAPABILITY_MASK_BB_100G | 2314 NVM_CFG1_PORT_DRV_SPEED_CAPABILITY_MASK_40G | 2315 NVM_CFG1_PORT_DRV_SPEED_CAPABILITY_MASK_25G | 2316 NVM_CFG1_PORT_DRV_SPEED_CAPABILITY_MASK_10G; 2317 break; 2318 case ETH_TRANSCEIVER_TYPE_XLPPI: 2319 *p_speed_mask = NVM_CFG1_PORT_DRV_SPEED_CAPABILITY_MASK_40G; 2320 break; 2321 case ETH_TRANSCEIVER_TYPE_10G_BASET: 2322 case ETH_TRANSCEIVER_TYPE_MULTI_RATE_1G_10G_SR: 2323 case ETH_TRANSCEIVER_TYPE_MULTI_RATE_1G_10G_LR: 2324 *p_speed_mask = NVM_CFG1_PORT_DRV_SPEED_CAPABILITY_MASK_10G | 2325 NVM_CFG1_PORT_DRV_SPEED_CAPABILITY_MASK_1G; 2326 break; 2327 default: 2328 DP_INFO(p_hwfn, "Unknown transceiver type 0x%x\n", 2329 transceiver_type); 2330 *p_speed_mask = 0xff; 2331 break; 2332 } 2333 2334 return 0; 2335 } 2336 2337 int qed_mcp_get_board_config(struct qed_hwfn *p_hwfn, 2338 struct qed_ptt *p_ptt, u32 *p_board_config) 2339 { 2340 u32 nvm_cfg_addr, nvm_cfg1_offset, port_cfg_addr; 2341 2342 if (IS_VF(p_hwfn->cdev)) 2343 return -EINVAL; 2344 2345 if (!qed_mcp_is_init(p_hwfn)) { 2346 DP_NOTICE(p_hwfn, "MFW is not initialized!\n"); 2347 return -EBUSY; 2348 } 2349 if (!p_ptt) { 2350 *p_board_config = NVM_CFG1_PORT_PORT_TYPE_UNDEFINED; 2351 return -EINVAL; 2352 } 2353 2354 nvm_cfg_addr = qed_rd(p_hwfn, p_ptt, MISC_REG_GEN_PURP_CR0); 2355 nvm_cfg1_offset = qed_rd(p_hwfn, p_ptt, nvm_cfg_addr + 4); 2356 port_cfg_addr = MCP_REG_SCRATCH + nvm_cfg1_offset + 2357 offsetof(struct nvm_cfg1, port[MFW_PORT(p_hwfn)]); 2358 *p_board_config = qed_rd(p_hwfn, p_ptt, 2359 port_cfg_addr + 2360 offsetof(struct nvm_cfg1_port, 2361 board_cfg)); 2362 2363 return 0; 2364 } 2365 2366 /* Old MFW has a global configuration for all PFs regarding RDMA support */ 2367 static void 2368 qed_mcp_get_shmem_proto_legacy(struct qed_hwfn *p_hwfn, 2369 enum qed_pci_personality *p_proto) 2370 { 2371 /* There wasn't ever a legacy MFW that published iwarp. 2372 * So at this point, this is either plain l2 or RoCE. 2373 */ 2374 if (test_bit(QED_DEV_CAP_ROCE, &p_hwfn->hw_info.device_capabilities)) 2375 *p_proto = QED_PCI_ETH_ROCE; 2376 else 2377 *p_proto = QED_PCI_ETH; 2378 2379 DP_VERBOSE(p_hwfn, NETIF_MSG_IFUP, 2380 "According to Legacy capabilities, L2 personality is %08x\n", 2381 (u32) *p_proto); 2382 } 2383 2384 static int 2385 qed_mcp_get_shmem_proto_mfw(struct qed_hwfn *p_hwfn, 2386 struct qed_ptt *p_ptt, 2387 enum qed_pci_personality *p_proto) 2388 { 2389 u32 resp = 0, param = 0; 2390 int rc; 2391 2392 rc = qed_mcp_cmd(p_hwfn, p_ptt, 2393 DRV_MSG_CODE_GET_PF_RDMA_PROTOCOL, 0, &resp, ¶m); 2394 if (rc) 2395 return rc; 2396 if (resp != FW_MSG_CODE_OK) { 2397 DP_VERBOSE(p_hwfn, NETIF_MSG_IFUP, 2398 "MFW lacks support for command; Returns %08x\n", 2399 resp); 2400 return -EINVAL; 2401 } 2402 2403 switch (param) { 2404 case FW_MB_PARAM_GET_PF_RDMA_NONE: 2405 *p_proto = QED_PCI_ETH; 2406 break; 2407 case FW_MB_PARAM_GET_PF_RDMA_ROCE: 2408 *p_proto = QED_PCI_ETH_ROCE; 2409 break; 2410 case FW_MB_PARAM_GET_PF_RDMA_IWARP: 2411 *p_proto = QED_PCI_ETH_IWARP; 2412 break; 2413 case FW_MB_PARAM_GET_PF_RDMA_BOTH: 2414 *p_proto = QED_PCI_ETH_RDMA; 2415 break; 2416 default: 2417 DP_NOTICE(p_hwfn, 2418 "MFW answers GET_PF_RDMA_PROTOCOL but param is %08x\n", 2419 param); 2420 return -EINVAL; 2421 } 2422 2423 DP_VERBOSE(p_hwfn, 2424 NETIF_MSG_IFUP, 2425 "According to capabilities, L2 personality is %08x [resp %08x param %08x]\n", 2426 (u32) *p_proto, resp, param); 2427 return 0; 2428 } 2429 2430 static int 2431 qed_mcp_get_shmem_proto(struct qed_hwfn *p_hwfn, 2432 struct public_func *p_info, 2433 struct qed_ptt *p_ptt, 2434 enum qed_pci_personality *p_proto) 2435 { 2436 int rc = 0; 2437 2438 switch (p_info->config & FUNC_MF_CFG_PROTOCOL_MASK) { 2439 case FUNC_MF_CFG_PROTOCOL_ETHERNET: 2440 if (!IS_ENABLED(CONFIG_QED_RDMA)) 2441 *p_proto = QED_PCI_ETH; 2442 else if (qed_mcp_get_shmem_proto_mfw(p_hwfn, p_ptt, p_proto)) 2443 qed_mcp_get_shmem_proto_legacy(p_hwfn, p_proto); 2444 break; 2445 case FUNC_MF_CFG_PROTOCOL_ISCSI: 2446 *p_proto = QED_PCI_ISCSI; 2447 break; 2448 case FUNC_MF_CFG_PROTOCOL_NVMETCP: 2449 *p_proto = QED_PCI_NVMETCP; 2450 break; 2451 case FUNC_MF_CFG_PROTOCOL_FCOE: 2452 *p_proto = QED_PCI_FCOE; 2453 break; 2454 case FUNC_MF_CFG_PROTOCOL_ROCE: 2455 DP_NOTICE(p_hwfn, "RoCE personality is not a valid value!\n"); 2456 fallthrough; 2457 default: 2458 rc = -EINVAL; 2459 } 2460 2461 return rc; 2462 } 2463 2464 int qed_mcp_fill_shmem_func_info(struct qed_hwfn *p_hwfn, 2465 struct qed_ptt *p_ptt) 2466 { 2467 struct qed_mcp_function_info *info; 2468 struct public_func shmem_info; 2469 2470 qed_mcp_get_shmem_func(p_hwfn, p_ptt, &shmem_info, MCP_PF_ID(p_hwfn)); 2471 info = &p_hwfn->mcp_info->func_info; 2472 2473 info->pause_on_host = (shmem_info.config & 2474 FUNC_MF_CFG_PAUSE_ON_HOST_RING) ? 1 : 0; 2475 2476 if (qed_mcp_get_shmem_proto(p_hwfn, &shmem_info, p_ptt, 2477 &info->protocol)) { 2478 DP_ERR(p_hwfn, "Unknown personality %08x\n", 2479 (u32)(shmem_info.config & FUNC_MF_CFG_PROTOCOL_MASK)); 2480 return -EINVAL; 2481 } 2482 2483 qed_read_pf_bandwidth(p_hwfn, &shmem_info); 2484 2485 if (shmem_info.mac_upper || shmem_info.mac_lower) { 2486 info->mac[0] = (u8)(shmem_info.mac_upper >> 8); 2487 info->mac[1] = (u8)(shmem_info.mac_upper); 2488 info->mac[2] = (u8)(shmem_info.mac_lower >> 24); 2489 info->mac[3] = (u8)(shmem_info.mac_lower >> 16); 2490 info->mac[4] = (u8)(shmem_info.mac_lower >> 8); 2491 info->mac[5] = (u8)(shmem_info.mac_lower); 2492 2493 /* Store primary MAC for later possible WoL */ 2494 memcpy(&p_hwfn->cdev->wol_mac, info->mac, ETH_ALEN); 2495 } else { 2496 DP_NOTICE(p_hwfn, "MAC is 0 in shmem\n"); 2497 } 2498 2499 info->wwn_port = (u64)shmem_info.fcoe_wwn_port_name_lower | 2500 (((u64)shmem_info.fcoe_wwn_port_name_upper) << 32); 2501 info->wwn_node = (u64)shmem_info.fcoe_wwn_node_name_lower | 2502 (((u64)shmem_info.fcoe_wwn_node_name_upper) << 32); 2503 2504 info->ovlan = (u16)(shmem_info.ovlan_stag & FUNC_MF_CFG_OV_STAG_MASK); 2505 2506 info->mtu = (u16)shmem_info.mtu_size; 2507 2508 p_hwfn->hw_info.b_wol_support = QED_WOL_SUPPORT_NONE; 2509 p_hwfn->cdev->wol_config = (u8)QED_OV_WOL_DEFAULT; 2510 if (qed_mcp_is_init(p_hwfn)) { 2511 u32 resp = 0, param = 0; 2512 int rc; 2513 2514 rc = qed_mcp_cmd(p_hwfn, p_ptt, 2515 DRV_MSG_CODE_OS_WOL, 0, &resp, ¶m); 2516 if (rc) 2517 return rc; 2518 if (resp == FW_MSG_CODE_OS_WOL_SUPPORTED) 2519 p_hwfn->hw_info.b_wol_support = QED_WOL_SUPPORT_PME; 2520 } 2521 2522 DP_VERBOSE(p_hwfn, (QED_MSG_SP | NETIF_MSG_IFUP), 2523 "Read configuration from shmem: pause_on_host %02x protocol %02x BW [%02x - %02x] MAC %pM wwn port %llx node %llx ovlan %04x wol %02x\n", 2524 info->pause_on_host, info->protocol, 2525 info->bandwidth_min, info->bandwidth_max, 2526 info->mac, 2527 info->wwn_port, info->wwn_node, 2528 info->ovlan, (u8)p_hwfn->hw_info.b_wol_support); 2529 2530 return 0; 2531 } 2532 2533 struct qed_mcp_link_params 2534 *qed_mcp_get_link_params(struct qed_hwfn *p_hwfn) 2535 { 2536 if (!p_hwfn || !p_hwfn->mcp_info) 2537 return NULL; 2538 return &p_hwfn->mcp_info->link_input; 2539 } 2540 2541 struct qed_mcp_link_state 2542 *qed_mcp_get_link_state(struct qed_hwfn *p_hwfn) 2543 { 2544 if (!p_hwfn || !p_hwfn->mcp_info) 2545 return NULL; 2546 return &p_hwfn->mcp_info->link_output; 2547 } 2548 2549 struct qed_mcp_link_capabilities 2550 *qed_mcp_get_link_capabilities(struct qed_hwfn *p_hwfn) 2551 { 2552 if (!p_hwfn || !p_hwfn->mcp_info) 2553 return NULL; 2554 return &p_hwfn->mcp_info->link_capabilities; 2555 } 2556 2557 int qed_mcp_drain(struct qed_hwfn *p_hwfn, struct qed_ptt *p_ptt) 2558 { 2559 u32 resp = 0, param = 0; 2560 int rc; 2561 2562 rc = qed_mcp_cmd(p_hwfn, p_ptt, 2563 DRV_MSG_CODE_NIG_DRAIN, 1000, &resp, ¶m); 2564 2565 /* Wait for the drain to complete before returning */ 2566 msleep(1020); 2567 2568 return rc; 2569 } 2570 2571 int qed_mcp_get_flash_size(struct qed_hwfn *p_hwfn, 2572 struct qed_ptt *p_ptt, u32 *p_flash_size) 2573 { 2574 u32 flash_size; 2575 2576 if (IS_VF(p_hwfn->cdev)) 2577 return -EINVAL; 2578 2579 flash_size = qed_rd(p_hwfn, p_ptt, MCP_REG_NVM_CFG4); 2580 flash_size = (flash_size & MCP_REG_NVM_CFG4_FLASH_SIZE) >> 2581 MCP_REG_NVM_CFG4_FLASH_SIZE_SHIFT; 2582 flash_size = (1 << (flash_size + MCP_BYTES_PER_MBIT_SHIFT)); 2583 2584 *p_flash_size = flash_size; 2585 2586 return 0; 2587 } 2588 2589 int qed_start_recovery_process(struct qed_hwfn *p_hwfn, struct qed_ptt *p_ptt) 2590 { 2591 struct qed_dev *cdev = p_hwfn->cdev; 2592 2593 if (cdev->recov_in_prog) { 2594 DP_NOTICE(p_hwfn, 2595 "Avoid triggering a recovery since such a process is already in progress\n"); 2596 return -EAGAIN; 2597 } 2598 2599 DP_NOTICE(p_hwfn, "Triggering a recovery process\n"); 2600 qed_wr(p_hwfn, p_ptt, MISC_REG_AEU_GENERAL_ATTN_35, 0x1); 2601 2602 return 0; 2603 } 2604 2605 #define QED_RECOVERY_PROLOG_SLEEP_MS 100 2606 2607 int qed_recovery_prolog(struct qed_dev *cdev) 2608 { 2609 struct qed_hwfn *p_hwfn = QED_LEADING_HWFN(cdev); 2610 struct qed_ptt *p_ptt = p_hwfn->p_main_ptt; 2611 int rc; 2612 2613 /* Allow ongoing PCIe transactions to complete */ 2614 msleep(QED_RECOVERY_PROLOG_SLEEP_MS); 2615 2616 /* Clear the PF's internal FID_enable in the PXP */ 2617 rc = qed_pglueb_set_pfid_enable(p_hwfn, p_ptt, false); 2618 if (rc) 2619 DP_NOTICE(p_hwfn, 2620 "qed_pglueb_set_pfid_enable() failed. rc = %d.\n", 2621 rc); 2622 2623 return rc; 2624 } 2625 2626 static int 2627 qed_mcp_config_vf_msix_bb(struct qed_hwfn *p_hwfn, 2628 struct qed_ptt *p_ptt, u8 vf_id, u8 num) 2629 { 2630 u32 resp = 0, param = 0, rc_param = 0; 2631 int rc; 2632 2633 /* Only Leader can configure MSIX, and need to take CMT into account */ 2634 if (!IS_LEAD_HWFN(p_hwfn)) 2635 return 0; 2636 num *= p_hwfn->cdev->num_hwfns; 2637 2638 param |= (vf_id << DRV_MB_PARAM_CFG_VF_MSIX_VF_ID_SHIFT) & 2639 DRV_MB_PARAM_CFG_VF_MSIX_VF_ID_MASK; 2640 param |= (num << DRV_MB_PARAM_CFG_VF_MSIX_SB_NUM_SHIFT) & 2641 DRV_MB_PARAM_CFG_VF_MSIX_SB_NUM_MASK; 2642 2643 rc = qed_mcp_cmd(p_hwfn, p_ptt, DRV_MSG_CODE_CFG_VF_MSIX, param, 2644 &resp, &rc_param); 2645 2646 if (resp != FW_MSG_CODE_DRV_CFG_VF_MSIX_DONE) { 2647 DP_NOTICE(p_hwfn, "VF[%d]: MFW failed to set MSI-X\n", vf_id); 2648 rc = -EINVAL; 2649 } else { 2650 DP_VERBOSE(p_hwfn, QED_MSG_IOV, 2651 "Requested 0x%02x MSI-x interrupts from VF 0x%02x\n", 2652 num, vf_id); 2653 } 2654 2655 return rc; 2656 } 2657 2658 static int 2659 qed_mcp_config_vf_msix_ah(struct qed_hwfn *p_hwfn, 2660 struct qed_ptt *p_ptt, u8 num) 2661 { 2662 u32 resp = 0, param = num, rc_param = 0; 2663 int rc; 2664 2665 rc = qed_mcp_cmd(p_hwfn, p_ptt, DRV_MSG_CODE_CFG_PF_VFS_MSIX, 2666 param, &resp, &rc_param); 2667 2668 if (resp != FW_MSG_CODE_DRV_CFG_PF_VFS_MSIX_DONE) { 2669 DP_NOTICE(p_hwfn, "MFW failed to set MSI-X for VFs\n"); 2670 rc = -EINVAL; 2671 } else { 2672 DP_VERBOSE(p_hwfn, QED_MSG_IOV, 2673 "Requested 0x%02x MSI-x interrupts for VFs\n", num); 2674 } 2675 2676 return rc; 2677 } 2678 2679 int qed_mcp_config_vf_msix(struct qed_hwfn *p_hwfn, 2680 struct qed_ptt *p_ptt, u8 vf_id, u8 num) 2681 { 2682 if (QED_IS_BB(p_hwfn->cdev)) 2683 return qed_mcp_config_vf_msix_bb(p_hwfn, p_ptt, vf_id, num); 2684 else 2685 return qed_mcp_config_vf_msix_ah(p_hwfn, p_ptt, num); 2686 } 2687 2688 int 2689 qed_mcp_send_drv_version(struct qed_hwfn *p_hwfn, 2690 struct qed_ptt *p_ptt, 2691 struct qed_mcp_drv_version *p_ver) 2692 { 2693 struct qed_mcp_mb_params mb_params; 2694 struct drv_version_stc drv_version; 2695 __be32 val; 2696 u32 i; 2697 int rc; 2698 2699 memset(&drv_version, 0, sizeof(drv_version)); 2700 drv_version.version = p_ver->version; 2701 for (i = 0; i < (MCP_DRV_VER_STR_SIZE - 4) / sizeof(u32); i++) { 2702 val = cpu_to_be32(*((u32 *)&p_ver->name[i * sizeof(u32)])); 2703 *(__be32 *)&drv_version.name[i * sizeof(u32)] = val; 2704 } 2705 2706 memset(&mb_params, 0, sizeof(mb_params)); 2707 mb_params.cmd = DRV_MSG_CODE_SET_VERSION; 2708 mb_params.p_data_src = &drv_version; 2709 mb_params.data_src_size = sizeof(drv_version); 2710 rc = qed_mcp_cmd_and_union(p_hwfn, p_ptt, &mb_params); 2711 if (rc) 2712 DP_ERR(p_hwfn, "MCP response failure, aborting\n"); 2713 2714 return rc; 2715 } 2716 2717 /* A maximal 100 msec waiting time for the MCP to halt */ 2718 #define QED_MCP_HALT_SLEEP_MS 10 2719 #define QED_MCP_HALT_MAX_RETRIES 10 2720 2721 int qed_mcp_halt(struct qed_hwfn *p_hwfn, struct qed_ptt *p_ptt) 2722 { 2723 u32 resp = 0, param = 0, cpu_state, cnt = 0; 2724 int rc; 2725 2726 rc = qed_mcp_cmd(p_hwfn, p_ptt, DRV_MSG_CODE_MCP_HALT, 0, &resp, 2727 ¶m); 2728 if (rc) { 2729 DP_ERR(p_hwfn, "MCP response failure, aborting\n"); 2730 return rc; 2731 } 2732 2733 do { 2734 msleep(QED_MCP_HALT_SLEEP_MS); 2735 cpu_state = qed_rd(p_hwfn, p_ptt, MCP_REG_CPU_STATE); 2736 if (cpu_state & MCP_REG_CPU_STATE_SOFT_HALTED) 2737 break; 2738 } while (++cnt < QED_MCP_HALT_MAX_RETRIES); 2739 2740 if (cnt == QED_MCP_HALT_MAX_RETRIES) { 2741 DP_NOTICE(p_hwfn, 2742 "Failed to halt the MCP [CPU_MODE = 0x%08x, CPU_STATE = 0x%08x]\n", 2743 qed_rd(p_hwfn, p_ptt, MCP_REG_CPU_MODE), cpu_state); 2744 return -EBUSY; 2745 } 2746 2747 qed_mcp_cmd_set_blocking(p_hwfn, true); 2748 2749 return 0; 2750 } 2751 2752 #define QED_MCP_RESUME_SLEEP_MS 10 2753 2754 int qed_mcp_resume(struct qed_hwfn *p_hwfn, struct qed_ptt *p_ptt) 2755 { 2756 u32 cpu_mode, cpu_state; 2757 2758 qed_wr(p_hwfn, p_ptt, MCP_REG_CPU_STATE, 0xffffffff); 2759 2760 cpu_mode = qed_rd(p_hwfn, p_ptt, MCP_REG_CPU_MODE); 2761 cpu_mode &= ~MCP_REG_CPU_MODE_SOFT_HALT; 2762 qed_wr(p_hwfn, p_ptt, MCP_REG_CPU_MODE, cpu_mode); 2763 msleep(QED_MCP_RESUME_SLEEP_MS); 2764 cpu_state = qed_rd(p_hwfn, p_ptt, MCP_REG_CPU_STATE); 2765 2766 if (cpu_state & MCP_REG_CPU_STATE_SOFT_HALTED) { 2767 DP_NOTICE(p_hwfn, 2768 "Failed to resume the MCP [CPU_MODE = 0x%08x, CPU_STATE = 0x%08x]\n", 2769 cpu_mode, cpu_state); 2770 return -EBUSY; 2771 } 2772 2773 qed_mcp_cmd_set_blocking(p_hwfn, false); 2774 2775 return 0; 2776 } 2777 2778 int qed_mcp_ov_update_current_config(struct qed_hwfn *p_hwfn, 2779 struct qed_ptt *p_ptt, 2780 enum qed_ov_client client) 2781 { 2782 u32 resp = 0, param = 0; 2783 u32 drv_mb_param; 2784 int rc; 2785 2786 switch (client) { 2787 case QED_OV_CLIENT_DRV: 2788 drv_mb_param = DRV_MB_PARAM_OV_CURR_CFG_OS; 2789 break; 2790 case QED_OV_CLIENT_USER: 2791 drv_mb_param = DRV_MB_PARAM_OV_CURR_CFG_OTHER; 2792 break; 2793 case QED_OV_CLIENT_VENDOR_SPEC: 2794 drv_mb_param = DRV_MB_PARAM_OV_CURR_CFG_VENDOR_SPEC; 2795 break; 2796 default: 2797 DP_NOTICE(p_hwfn, "Invalid client type %d\n", client); 2798 return -EINVAL; 2799 } 2800 2801 rc = qed_mcp_cmd(p_hwfn, p_ptt, DRV_MSG_CODE_OV_UPDATE_CURR_CFG, 2802 drv_mb_param, &resp, ¶m); 2803 if (rc) 2804 DP_ERR(p_hwfn, "MCP response failure, aborting\n"); 2805 2806 return rc; 2807 } 2808 2809 int qed_mcp_ov_update_driver_state(struct qed_hwfn *p_hwfn, 2810 struct qed_ptt *p_ptt, 2811 enum qed_ov_driver_state drv_state) 2812 { 2813 u32 resp = 0, param = 0; 2814 u32 drv_mb_param; 2815 int rc; 2816 2817 switch (drv_state) { 2818 case QED_OV_DRIVER_STATE_NOT_LOADED: 2819 drv_mb_param = DRV_MSG_CODE_OV_UPDATE_DRIVER_STATE_NOT_LOADED; 2820 break; 2821 case QED_OV_DRIVER_STATE_DISABLED: 2822 drv_mb_param = DRV_MSG_CODE_OV_UPDATE_DRIVER_STATE_DISABLED; 2823 break; 2824 case QED_OV_DRIVER_STATE_ACTIVE: 2825 drv_mb_param = DRV_MSG_CODE_OV_UPDATE_DRIVER_STATE_ACTIVE; 2826 break; 2827 default: 2828 DP_NOTICE(p_hwfn, "Invalid driver state %d\n", drv_state); 2829 return -EINVAL; 2830 } 2831 2832 rc = qed_mcp_cmd(p_hwfn, p_ptt, DRV_MSG_CODE_OV_UPDATE_DRIVER_STATE, 2833 drv_mb_param, &resp, ¶m); 2834 if (rc) 2835 DP_ERR(p_hwfn, "Failed to send driver state\n"); 2836 2837 return rc; 2838 } 2839 2840 int qed_mcp_ov_update_mtu(struct qed_hwfn *p_hwfn, 2841 struct qed_ptt *p_ptt, u16 mtu) 2842 { 2843 u32 resp = 0, param = 0; 2844 u32 drv_mb_param; 2845 int rc; 2846 2847 drv_mb_param = (u32)mtu << DRV_MB_PARAM_OV_MTU_SIZE_SHIFT; 2848 rc = qed_mcp_cmd(p_hwfn, p_ptt, DRV_MSG_CODE_OV_UPDATE_MTU, 2849 drv_mb_param, &resp, ¶m); 2850 if (rc) 2851 DP_ERR(p_hwfn, "Failed to send mtu value, rc = %d\n", rc); 2852 2853 return rc; 2854 } 2855 2856 int qed_mcp_ov_update_mac(struct qed_hwfn *p_hwfn, 2857 struct qed_ptt *p_ptt, u8 *mac) 2858 { 2859 struct qed_mcp_mb_params mb_params; 2860 u32 mfw_mac[2]; 2861 int rc; 2862 2863 memset(&mb_params, 0, sizeof(mb_params)); 2864 mb_params.cmd = DRV_MSG_CODE_SET_VMAC; 2865 mb_params.param = DRV_MSG_CODE_VMAC_TYPE_MAC << 2866 DRV_MSG_CODE_VMAC_TYPE_SHIFT; 2867 mb_params.param |= MCP_PF_ID(p_hwfn); 2868 2869 /* MCP is BE, and on LE platforms PCI would swap access to SHMEM 2870 * in 32-bit granularity. 2871 * So the MAC has to be set in native order [and not byte order], 2872 * otherwise it would be read incorrectly by MFW after swap. 2873 */ 2874 mfw_mac[0] = mac[0] << 24 | mac[1] << 16 | mac[2] << 8 | mac[3]; 2875 mfw_mac[1] = mac[4] << 24 | mac[5] << 16; 2876 2877 mb_params.p_data_src = (u8 *)mfw_mac; 2878 mb_params.data_src_size = 8; 2879 rc = qed_mcp_cmd_and_union(p_hwfn, p_ptt, &mb_params); 2880 if (rc) 2881 DP_ERR(p_hwfn, "Failed to send mac address, rc = %d\n", rc); 2882 2883 /* Store primary MAC for later possible WoL */ 2884 memcpy(p_hwfn->cdev->wol_mac, mac, ETH_ALEN); 2885 2886 return rc; 2887 } 2888 2889 int qed_mcp_ov_update_wol(struct qed_hwfn *p_hwfn, 2890 struct qed_ptt *p_ptt, enum qed_ov_wol wol) 2891 { 2892 u32 resp = 0, param = 0; 2893 u32 drv_mb_param; 2894 int rc; 2895 2896 if (p_hwfn->hw_info.b_wol_support == QED_WOL_SUPPORT_NONE) { 2897 DP_VERBOSE(p_hwfn, QED_MSG_SP, 2898 "Can't change WoL configuration when WoL isn't supported\n"); 2899 return -EINVAL; 2900 } 2901 2902 switch (wol) { 2903 case QED_OV_WOL_DEFAULT: 2904 drv_mb_param = DRV_MB_PARAM_WOL_DEFAULT; 2905 break; 2906 case QED_OV_WOL_DISABLED: 2907 drv_mb_param = DRV_MB_PARAM_WOL_DISABLED; 2908 break; 2909 case QED_OV_WOL_ENABLED: 2910 drv_mb_param = DRV_MB_PARAM_WOL_ENABLED; 2911 break; 2912 default: 2913 DP_ERR(p_hwfn, "Invalid wol state %d\n", wol); 2914 return -EINVAL; 2915 } 2916 2917 rc = qed_mcp_cmd(p_hwfn, p_ptt, DRV_MSG_CODE_OV_UPDATE_WOL, 2918 drv_mb_param, &resp, ¶m); 2919 if (rc) 2920 DP_ERR(p_hwfn, "Failed to send wol mode, rc = %d\n", rc); 2921 2922 /* Store the WoL update for a future unload */ 2923 p_hwfn->cdev->wol_config = (u8)wol; 2924 2925 return rc; 2926 } 2927 2928 int qed_mcp_ov_update_eswitch(struct qed_hwfn *p_hwfn, 2929 struct qed_ptt *p_ptt, 2930 enum qed_ov_eswitch eswitch) 2931 { 2932 u32 resp = 0, param = 0; 2933 u32 drv_mb_param; 2934 int rc; 2935 2936 switch (eswitch) { 2937 case QED_OV_ESWITCH_NONE: 2938 drv_mb_param = DRV_MB_PARAM_ESWITCH_MODE_NONE; 2939 break; 2940 case QED_OV_ESWITCH_VEB: 2941 drv_mb_param = DRV_MB_PARAM_ESWITCH_MODE_VEB; 2942 break; 2943 case QED_OV_ESWITCH_VEPA: 2944 drv_mb_param = DRV_MB_PARAM_ESWITCH_MODE_VEPA; 2945 break; 2946 default: 2947 DP_ERR(p_hwfn, "Invalid eswitch mode %d\n", eswitch); 2948 return -EINVAL; 2949 } 2950 2951 rc = qed_mcp_cmd(p_hwfn, p_ptt, DRV_MSG_CODE_OV_UPDATE_ESWITCH_MODE, 2952 drv_mb_param, &resp, ¶m); 2953 if (rc) 2954 DP_ERR(p_hwfn, "Failed to send eswitch mode, rc = %d\n", rc); 2955 2956 return rc; 2957 } 2958 2959 int qed_mcp_set_led(struct qed_hwfn *p_hwfn, 2960 struct qed_ptt *p_ptt, enum qed_led_mode mode) 2961 { 2962 u32 resp = 0, param = 0, drv_mb_param; 2963 int rc; 2964 2965 switch (mode) { 2966 case QED_LED_MODE_ON: 2967 drv_mb_param = DRV_MB_PARAM_SET_LED_MODE_ON; 2968 break; 2969 case QED_LED_MODE_OFF: 2970 drv_mb_param = DRV_MB_PARAM_SET_LED_MODE_OFF; 2971 break; 2972 case QED_LED_MODE_RESTORE: 2973 drv_mb_param = DRV_MB_PARAM_SET_LED_MODE_OPER; 2974 break; 2975 default: 2976 DP_NOTICE(p_hwfn, "Invalid LED mode %d\n", mode); 2977 return -EINVAL; 2978 } 2979 2980 rc = qed_mcp_cmd(p_hwfn, p_ptt, DRV_MSG_CODE_SET_LED_MODE, 2981 drv_mb_param, &resp, ¶m); 2982 2983 return rc; 2984 } 2985 2986 int qed_mcp_mask_parities(struct qed_hwfn *p_hwfn, 2987 struct qed_ptt *p_ptt, u32 mask_parities) 2988 { 2989 u32 resp = 0, param = 0; 2990 int rc; 2991 2992 rc = qed_mcp_cmd(p_hwfn, p_ptt, DRV_MSG_CODE_MASK_PARITIES, 2993 mask_parities, &resp, ¶m); 2994 2995 if (rc) { 2996 DP_ERR(p_hwfn, 2997 "MCP response failure for mask parities, aborting\n"); 2998 } else if (resp != FW_MSG_CODE_OK) { 2999 DP_ERR(p_hwfn, 3000 "MCP did not acknowledge mask parity request. Old MFW?\n"); 3001 rc = -EINVAL; 3002 } 3003 3004 return rc; 3005 } 3006 3007 int qed_mcp_nvm_read(struct qed_dev *cdev, u32 addr, u8 *p_buf, u32 len) 3008 { 3009 u32 bytes_left = len, offset = 0, bytes_to_copy, read_len = 0; 3010 struct qed_hwfn *p_hwfn = QED_LEADING_HWFN(cdev); 3011 u32 resp = 0, resp_param = 0; 3012 struct qed_ptt *p_ptt; 3013 int rc = 0; 3014 3015 p_ptt = qed_ptt_acquire(p_hwfn); 3016 if (!p_ptt) 3017 return -EBUSY; 3018 3019 while (bytes_left > 0) { 3020 bytes_to_copy = min_t(u32, bytes_left, MCP_DRV_NVM_BUF_LEN); 3021 3022 rc = qed_mcp_nvm_rd_cmd(p_hwfn, p_ptt, 3023 DRV_MSG_CODE_NVM_READ_NVRAM, 3024 addr + offset + 3025 (bytes_to_copy << 3026 DRV_MB_PARAM_NVM_LEN_OFFSET), 3027 &resp, &resp_param, 3028 &read_len, 3029 (u32 *)(p_buf + offset)); 3030 3031 if (rc || (resp != FW_MSG_CODE_NVM_OK)) { 3032 DP_NOTICE(cdev, "MCP command rc = %d\n", rc); 3033 break; 3034 } 3035 3036 /* This can be a lengthy process, and it's possible scheduler 3037 * isn't preemptable. Sleep a bit to prevent CPU hogging. 3038 */ 3039 if (bytes_left % 0x1000 < 3040 (bytes_left - read_len) % 0x1000) 3041 usleep_range(1000, 2000); 3042 3043 offset += read_len; 3044 bytes_left -= read_len; 3045 } 3046 3047 cdev->mcp_nvm_resp = resp; 3048 qed_ptt_release(p_hwfn, p_ptt); 3049 3050 return rc; 3051 } 3052 3053 int qed_mcp_nvm_resp(struct qed_dev *cdev, u8 *p_buf) 3054 { 3055 struct qed_hwfn *p_hwfn = QED_LEADING_HWFN(cdev); 3056 struct qed_ptt *p_ptt; 3057 3058 p_ptt = qed_ptt_acquire(p_hwfn); 3059 if (!p_ptt) 3060 return -EBUSY; 3061 3062 memcpy(p_buf, &cdev->mcp_nvm_resp, sizeof(cdev->mcp_nvm_resp)); 3063 qed_ptt_release(p_hwfn, p_ptt); 3064 3065 return 0; 3066 } 3067 3068 int qed_mcp_nvm_write(struct qed_dev *cdev, 3069 u32 cmd, u32 addr, u8 *p_buf, u32 len) 3070 { 3071 u32 buf_idx = 0, buf_size, nvm_cmd, nvm_offset, resp = 0, param; 3072 struct qed_hwfn *p_hwfn = QED_LEADING_HWFN(cdev); 3073 struct qed_ptt *p_ptt; 3074 int rc = -EINVAL; 3075 3076 p_ptt = qed_ptt_acquire(p_hwfn); 3077 if (!p_ptt) 3078 return -EBUSY; 3079 3080 switch (cmd) { 3081 case QED_PUT_FILE_BEGIN: 3082 nvm_cmd = DRV_MSG_CODE_NVM_PUT_FILE_BEGIN; 3083 break; 3084 case QED_PUT_FILE_DATA: 3085 nvm_cmd = DRV_MSG_CODE_NVM_PUT_FILE_DATA; 3086 break; 3087 case QED_NVM_WRITE_NVRAM: 3088 nvm_cmd = DRV_MSG_CODE_NVM_WRITE_NVRAM; 3089 break; 3090 default: 3091 DP_NOTICE(p_hwfn, "Invalid nvm write command 0x%x\n", cmd); 3092 rc = -EINVAL; 3093 goto out; 3094 } 3095 3096 buf_size = min_t(u32, (len - buf_idx), MCP_DRV_NVM_BUF_LEN); 3097 while (buf_idx < len) { 3098 if (cmd == QED_PUT_FILE_BEGIN) 3099 nvm_offset = addr; 3100 else 3101 nvm_offset = ((buf_size << 3102 DRV_MB_PARAM_NVM_LEN_OFFSET) | addr) + 3103 buf_idx; 3104 rc = qed_mcp_nvm_wr_cmd(p_hwfn, p_ptt, nvm_cmd, nvm_offset, 3105 &resp, ¶m, buf_size, 3106 (u32 *)&p_buf[buf_idx]); 3107 if (rc) { 3108 DP_NOTICE(cdev, "nvm write failed, rc = %d\n", rc); 3109 resp = FW_MSG_CODE_ERROR; 3110 break; 3111 } 3112 3113 if (resp != FW_MSG_CODE_OK && 3114 resp != FW_MSG_CODE_NVM_OK && 3115 resp != FW_MSG_CODE_NVM_PUT_FILE_FINISH_OK) { 3116 DP_NOTICE(cdev, 3117 "nvm write failed, resp = 0x%08x\n", resp); 3118 rc = -EINVAL; 3119 break; 3120 } 3121 3122 /* This can be a lengthy process, and it's possible scheduler 3123 * isn't pre-emptable. Sleep a bit to prevent CPU hogging. 3124 */ 3125 if (buf_idx % 0x1000 > (buf_idx + buf_size) % 0x1000) 3126 usleep_range(1000, 2000); 3127 3128 /* For MBI upgrade, MFW response includes the next buffer offset 3129 * to be delivered to MFW. 3130 */ 3131 if (param && cmd == QED_PUT_FILE_DATA) { 3132 buf_idx = QED_MFW_GET_FIELD(param, 3133 FW_MB_PARAM_NVM_PUT_FILE_REQ_OFFSET); 3134 buf_size = QED_MFW_GET_FIELD(param, 3135 FW_MB_PARAM_NVM_PUT_FILE_REQ_SIZE); 3136 } else { 3137 buf_idx += buf_size; 3138 buf_size = min_t(u32, (len - buf_idx), 3139 MCP_DRV_NVM_BUF_LEN); 3140 } 3141 } 3142 3143 cdev->mcp_nvm_resp = resp; 3144 out: 3145 qed_ptt_release(p_hwfn, p_ptt); 3146 3147 return rc; 3148 } 3149 3150 int qed_mcp_phy_sfp_read(struct qed_hwfn *p_hwfn, struct qed_ptt *p_ptt, 3151 u32 port, u32 addr, u32 offset, u32 len, u8 *p_buf) 3152 { 3153 u32 bytes_left, bytes_to_copy, buf_size, nvm_offset = 0; 3154 u32 resp, param; 3155 int rc; 3156 3157 nvm_offset |= (port << DRV_MB_PARAM_TRANSCEIVER_PORT_OFFSET) & 3158 DRV_MB_PARAM_TRANSCEIVER_PORT_MASK; 3159 nvm_offset |= (addr << DRV_MB_PARAM_TRANSCEIVER_I2C_ADDRESS_OFFSET) & 3160 DRV_MB_PARAM_TRANSCEIVER_I2C_ADDRESS_MASK; 3161 3162 addr = offset; 3163 offset = 0; 3164 bytes_left = len; 3165 while (bytes_left > 0) { 3166 bytes_to_copy = min_t(u32, bytes_left, 3167 MAX_I2C_TRANSACTION_SIZE); 3168 nvm_offset &= (DRV_MB_PARAM_TRANSCEIVER_I2C_ADDRESS_MASK | 3169 DRV_MB_PARAM_TRANSCEIVER_PORT_MASK); 3170 nvm_offset |= ((addr + offset) << 3171 DRV_MB_PARAM_TRANSCEIVER_OFFSET_OFFSET) & 3172 DRV_MB_PARAM_TRANSCEIVER_OFFSET_MASK; 3173 nvm_offset |= (bytes_to_copy << 3174 DRV_MB_PARAM_TRANSCEIVER_SIZE_OFFSET) & 3175 DRV_MB_PARAM_TRANSCEIVER_SIZE_MASK; 3176 rc = qed_mcp_nvm_rd_cmd(p_hwfn, p_ptt, 3177 DRV_MSG_CODE_TRANSCEIVER_READ, 3178 nvm_offset, &resp, ¶m, &buf_size, 3179 (u32 *)(p_buf + offset)); 3180 if (rc) { 3181 DP_NOTICE(p_hwfn, 3182 "Failed to send a transceiver read command to the MFW. rc = %d.\n", 3183 rc); 3184 return rc; 3185 } 3186 3187 if (resp == FW_MSG_CODE_TRANSCEIVER_NOT_PRESENT) 3188 return -ENODEV; 3189 else if (resp != FW_MSG_CODE_TRANSCEIVER_DIAG_OK) 3190 return -EINVAL; 3191 3192 offset += buf_size; 3193 bytes_left -= buf_size; 3194 } 3195 3196 return 0; 3197 } 3198 3199 int qed_mcp_bist_register_test(struct qed_hwfn *p_hwfn, struct qed_ptt *p_ptt) 3200 { 3201 u32 drv_mb_param = 0, rsp, param; 3202 int rc = 0; 3203 3204 drv_mb_param = (DRV_MB_PARAM_BIST_REGISTER_TEST << 3205 DRV_MB_PARAM_BIST_TEST_INDEX_SHIFT); 3206 3207 rc = qed_mcp_cmd(p_hwfn, p_ptt, DRV_MSG_CODE_BIST_TEST, 3208 drv_mb_param, &rsp, ¶m); 3209 3210 if (rc) 3211 return rc; 3212 3213 if (((rsp & FW_MSG_CODE_MASK) != FW_MSG_CODE_OK) || 3214 (param != DRV_MB_PARAM_BIST_RC_PASSED)) 3215 rc = -EAGAIN; 3216 3217 return rc; 3218 } 3219 3220 int qed_mcp_bist_clock_test(struct qed_hwfn *p_hwfn, struct qed_ptt *p_ptt) 3221 { 3222 u32 drv_mb_param, rsp, param; 3223 int rc = 0; 3224 3225 drv_mb_param = (DRV_MB_PARAM_BIST_CLOCK_TEST << 3226 DRV_MB_PARAM_BIST_TEST_INDEX_SHIFT); 3227 3228 rc = qed_mcp_cmd(p_hwfn, p_ptt, DRV_MSG_CODE_BIST_TEST, 3229 drv_mb_param, &rsp, ¶m); 3230 3231 if (rc) 3232 return rc; 3233 3234 if (((rsp & FW_MSG_CODE_MASK) != FW_MSG_CODE_OK) || 3235 (param != DRV_MB_PARAM_BIST_RC_PASSED)) 3236 rc = -EAGAIN; 3237 3238 return rc; 3239 } 3240 3241 int qed_mcp_bist_nvm_get_num_images(struct qed_hwfn *p_hwfn, 3242 struct qed_ptt *p_ptt, 3243 u32 *num_images) 3244 { 3245 u32 drv_mb_param = 0, rsp; 3246 int rc = 0; 3247 3248 drv_mb_param = (DRV_MB_PARAM_BIST_NVM_TEST_NUM_IMAGES << 3249 DRV_MB_PARAM_BIST_TEST_INDEX_SHIFT); 3250 3251 rc = qed_mcp_cmd(p_hwfn, p_ptt, DRV_MSG_CODE_BIST_TEST, 3252 drv_mb_param, &rsp, num_images); 3253 if (rc) 3254 return rc; 3255 3256 if (((rsp & FW_MSG_CODE_MASK) != FW_MSG_CODE_OK)) 3257 rc = -EINVAL; 3258 3259 return rc; 3260 } 3261 3262 int qed_mcp_bist_nvm_get_image_att(struct qed_hwfn *p_hwfn, 3263 struct qed_ptt *p_ptt, 3264 struct bist_nvm_image_att *p_image_att, 3265 u32 image_index) 3266 { 3267 u32 buf_size = 0, param, resp = 0, resp_param = 0; 3268 int rc; 3269 3270 param = DRV_MB_PARAM_BIST_NVM_TEST_IMAGE_BY_INDEX << 3271 DRV_MB_PARAM_BIST_TEST_INDEX_SHIFT; 3272 param |= image_index << DRV_MB_PARAM_BIST_TEST_IMAGE_INDEX_SHIFT; 3273 3274 rc = qed_mcp_nvm_rd_cmd(p_hwfn, p_ptt, 3275 DRV_MSG_CODE_BIST_TEST, param, 3276 &resp, &resp_param, 3277 &buf_size, 3278 (u32 *)p_image_att); 3279 if (rc) 3280 return rc; 3281 3282 if (((resp & FW_MSG_CODE_MASK) != FW_MSG_CODE_OK) || 3283 (p_image_att->return_code != 1)) 3284 rc = -EINVAL; 3285 3286 return rc; 3287 } 3288 3289 int qed_mcp_nvm_info_populate(struct qed_hwfn *p_hwfn) 3290 { 3291 struct qed_nvm_image_info nvm_info; 3292 struct qed_ptt *p_ptt; 3293 int rc; 3294 u32 i; 3295 3296 if (p_hwfn->nvm_info.valid) 3297 return 0; 3298 3299 p_ptt = qed_ptt_acquire(p_hwfn); 3300 if (!p_ptt) { 3301 DP_ERR(p_hwfn, "failed to acquire ptt\n"); 3302 return -EBUSY; 3303 } 3304 3305 /* Acquire from MFW the amount of available images */ 3306 nvm_info.num_images = 0; 3307 rc = qed_mcp_bist_nvm_get_num_images(p_hwfn, 3308 p_ptt, &nvm_info.num_images); 3309 if (rc == -EOPNOTSUPP) { 3310 DP_INFO(p_hwfn, "DRV_MSG_CODE_BIST_TEST is not supported\n"); 3311 goto out; 3312 } else if (rc || !nvm_info.num_images) { 3313 DP_ERR(p_hwfn, "Failed getting number of images\n"); 3314 goto err0; 3315 } 3316 3317 nvm_info.image_att = kmalloc_array(nvm_info.num_images, 3318 sizeof(struct bist_nvm_image_att), 3319 GFP_KERNEL); 3320 if (!nvm_info.image_att) { 3321 rc = -ENOMEM; 3322 goto err0; 3323 } 3324 3325 /* Iterate over images and get their attributes */ 3326 for (i = 0; i < nvm_info.num_images; i++) { 3327 rc = qed_mcp_bist_nvm_get_image_att(p_hwfn, p_ptt, 3328 &nvm_info.image_att[i], i); 3329 if (rc) { 3330 DP_ERR(p_hwfn, 3331 "Failed getting image index %d attributes\n", i); 3332 goto err1; 3333 } 3334 3335 DP_VERBOSE(p_hwfn, QED_MSG_SP, "image index %d, size %x\n", i, 3336 nvm_info.image_att[i].len); 3337 } 3338 out: 3339 /* Update hwfn's nvm_info */ 3340 if (nvm_info.num_images) { 3341 p_hwfn->nvm_info.num_images = nvm_info.num_images; 3342 kfree(p_hwfn->nvm_info.image_att); 3343 p_hwfn->nvm_info.image_att = nvm_info.image_att; 3344 p_hwfn->nvm_info.valid = true; 3345 } 3346 3347 qed_ptt_release(p_hwfn, p_ptt); 3348 return 0; 3349 3350 err1: 3351 kfree(nvm_info.image_att); 3352 err0: 3353 qed_ptt_release(p_hwfn, p_ptt); 3354 return rc; 3355 } 3356 3357 void qed_mcp_nvm_info_free(struct qed_hwfn *p_hwfn) 3358 { 3359 kfree(p_hwfn->nvm_info.image_att); 3360 p_hwfn->nvm_info.image_att = NULL; 3361 p_hwfn->nvm_info.valid = false; 3362 } 3363 3364 int 3365 qed_mcp_get_nvm_image_att(struct qed_hwfn *p_hwfn, 3366 enum qed_nvm_images image_id, 3367 struct qed_nvm_image_att *p_image_att) 3368 { 3369 enum nvm_image_type type; 3370 u32 i; 3371 3372 /* Translate image_id into MFW definitions */ 3373 switch (image_id) { 3374 case QED_NVM_IMAGE_ISCSI_CFG: 3375 type = NVM_TYPE_ISCSI_CFG; 3376 break; 3377 case QED_NVM_IMAGE_FCOE_CFG: 3378 type = NVM_TYPE_FCOE_CFG; 3379 break; 3380 case QED_NVM_IMAGE_MDUMP: 3381 type = NVM_TYPE_MDUMP; 3382 break; 3383 case QED_NVM_IMAGE_NVM_CFG1: 3384 type = NVM_TYPE_NVM_CFG1; 3385 break; 3386 case QED_NVM_IMAGE_DEFAULT_CFG: 3387 type = NVM_TYPE_DEFAULT_CFG; 3388 break; 3389 case QED_NVM_IMAGE_NVM_META: 3390 type = NVM_TYPE_META; 3391 break; 3392 default: 3393 DP_NOTICE(p_hwfn, "Unknown request of image_id %08x\n", 3394 image_id); 3395 return -EINVAL; 3396 } 3397 3398 qed_mcp_nvm_info_populate(p_hwfn); 3399 for (i = 0; i < p_hwfn->nvm_info.num_images; i++) 3400 if (type == p_hwfn->nvm_info.image_att[i].image_type) 3401 break; 3402 if (i == p_hwfn->nvm_info.num_images) { 3403 DP_VERBOSE(p_hwfn, QED_MSG_STORAGE, 3404 "Failed to find nvram image of type %08x\n", 3405 image_id); 3406 return -ENOENT; 3407 } 3408 3409 p_image_att->start_addr = p_hwfn->nvm_info.image_att[i].nvm_start_addr; 3410 p_image_att->length = p_hwfn->nvm_info.image_att[i].len; 3411 3412 return 0; 3413 } 3414 3415 int qed_mcp_get_nvm_image(struct qed_hwfn *p_hwfn, 3416 enum qed_nvm_images image_id, 3417 u8 *p_buffer, u32 buffer_len) 3418 { 3419 struct qed_nvm_image_att image_att; 3420 int rc; 3421 3422 memset(p_buffer, 0, buffer_len); 3423 3424 rc = qed_mcp_get_nvm_image_att(p_hwfn, image_id, &image_att); 3425 if (rc) 3426 return rc; 3427 3428 /* Validate sizes - both the image's and the supplied buffer's */ 3429 if (image_att.length <= 4) { 3430 DP_VERBOSE(p_hwfn, QED_MSG_STORAGE, 3431 "Image [%d] is too small - only %d bytes\n", 3432 image_id, image_att.length); 3433 return -EINVAL; 3434 } 3435 3436 if (image_att.length > buffer_len) { 3437 DP_VERBOSE(p_hwfn, 3438 QED_MSG_STORAGE, 3439 "Image [%d] is too big - %08x bytes where only %08x are available\n", 3440 image_id, image_att.length, buffer_len); 3441 return -ENOMEM; 3442 } 3443 3444 return qed_mcp_nvm_read(p_hwfn->cdev, image_att.start_addr, 3445 p_buffer, image_att.length); 3446 } 3447 3448 static enum resource_id_enum qed_mcp_get_mfw_res_id(enum qed_resources res_id) 3449 { 3450 enum resource_id_enum mfw_res_id = RESOURCE_NUM_INVALID; 3451 3452 switch (res_id) { 3453 case QED_SB: 3454 mfw_res_id = RESOURCE_NUM_SB_E; 3455 break; 3456 case QED_L2_QUEUE: 3457 mfw_res_id = RESOURCE_NUM_L2_QUEUE_E; 3458 break; 3459 case QED_VPORT: 3460 mfw_res_id = RESOURCE_NUM_VPORT_E; 3461 break; 3462 case QED_RSS_ENG: 3463 mfw_res_id = RESOURCE_NUM_RSS_ENGINES_E; 3464 break; 3465 case QED_PQ: 3466 mfw_res_id = RESOURCE_NUM_PQ_E; 3467 break; 3468 case QED_RL: 3469 mfw_res_id = RESOURCE_NUM_RL_E; 3470 break; 3471 case QED_MAC: 3472 case QED_VLAN: 3473 /* Each VFC resource can accommodate both a MAC and a VLAN */ 3474 mfw_res_id = RESOURCE_VFC_FILTER_E; 3475 break; 3476 case QED_ILT: 3477 mfw_res_id = RESOURCE_ILT_E; 3478 break; 3479 case QED_LL2_RAM_QUEUE: 3480 mfw_res_id = RESOURCE_LL2_QUEUE_E; 3481 break; 3482 case QED_LL2_CTX_QUEUE: 3483 mfw_res_id = RESOURCE_LL2_CQS_E; 3484 break; 3485 case QED_RDMA_CNQ_RAM: 3486 case QED_CMDQS_CQS: 3487 /* CNQ/CMDQS are the same resource */ 3488 mfw_res_id = RESOURCE_CQS_E; 3489 break; 3490 case QED_RDMA_STATS_QUEUE: 3491 mfw_res_id = RESOURCE_RDMA_STATS_QUEUE_E; 3492 break; 3493 case QED_BDQ: 3494 mfw_res_id = RESOURCE_BDQ_E; 3495 break; 3496 default: 3497 break; 3498 } 3499 3500 return mfw_res_id; 3501 } 3502 3503 #define QED_RESC_ALLOC_VERSION_MAJOR 2 3504 #define QED_RESC_ALLOC_VERSION_MINOR 0 3505 #define QED_RESC_ALLOC_VERSION \ 3506 ((QED_RESC_ALLOC_VERSION_MAJOR << \ 3507 DRV_MB_PARAM_RESOURCE_ALLOC_VERSION_MAJOR_SHIFT) | \ 3508 (QED_RESC_ALLOC_VERSION_MINOR << \ 3509 DRV_MB_PARAM_RESOURCE_ALLOC_VERSION_MINOR_SHIFT)) 3510 3511 struct qed_resc_alloc_in_params { 3512 u32 cmd; 3513 enum qed_resources res_id; 3514 u32 resc_max_val; 3515 }; 3516 3517 struct qed_resc_alloc_out_params { 3518 u32 mcp_resp; 3519 u32 mcp_param; 3520 u32 resc_num; 3521 u32 resc_start; 3522 u32 vf_resc_num; 3523 u32 vf_resc_start; 3524 u32 flags; 3525 }; 3526 3527 static int 3528 qed_mcp_resc_allocation_msg(struct qed_hwfn *p_hwfn, 3529 struct qed_ptt *p_ptt, 3530 struct qed_resc_alloc_in_params *p_in_params, 3531 struct qed_resc_alloc_out_params *p_out_params) 3532 { 3533 struct qed_mcp_mb_params mb_params; 3534 struct resource_info mfw_resc_info; 3535 int rc; 3536 3537 memset(&mfw_resc_info, 0, sizeof(mfw_resc_info)); 3538 3539 mfw_resc_info.res_id = qed_mcp_get_mfw_res_id(p_in_params->res_id); 3540 if (mfw_resc_info.res_id == RESOURCE_NUM_INVALID) { 3541 DP_ERR(p_hwfn, 3542 "Failed to match resource %d [%s] with the MFW resources\n", 3543 p_in_params->res_id, 3544 qed_hw_get_resc_name(p_in_params->res_id)); 3545 return -EINVAL; 3546 } 3547 3548 switch (p_in_params->cmd) { 3549 case DRV_MSG_SET_RESOURCE_VALUE_MSG: 3550 mfw_resc_info.size = p_in_params->resc_max_val; 3551 fallthrough; 3552 case DRV_MSG_GET_RESOURCE_ALLOC_MSG: 3553 break; 3554 default: 3555 DP_ERR(p_hwfn, "Unexpected resource alloc command [0x%08x]\n", 3556 p_in_params->cmd); 3557 return -EINVAL; 3558 } 3559 3560 memset(&mb_params, 0, sizeof(mb_params)); 3561 mb_params.cmd = p_in_params->cmd; 3562 mb_params.param = QED_RESC_ALLOC_VERSION; 3563 mb_params.p_data_src = &mfw_resc_info; 3564 mb_params.data_src_size = sizeof(mfw_resc_info); 3565 mb_params.p_data_dst = mb_params.p_data_src; 3566 mb_params.data_dst_size = mb_params.data_src_size; 3567 3568 DP_VERBOSE(p_hwfn, 3569 QED_MSG_SP, 3570 "Resource message request: cmd 0x%08x, res_id %d [%s], hsi_version %d.%d, val 0x%x\n", 3571 p_in_params->cmd, 3572 p_in_params->res_id, 3573 qed_hw_get_resc_name(p_in_params->res_id), 3574 QED_MFW_GET_FIELD(mb_params.param, 3575 DRV_MB_PARAM_RESOURCE_ALLOC_VERSION_MAJOR), 3576 QED_MFW_GET_FIELD(mb_params.param, 3577 DRV_MB_PARAM_RESOURCE_ALLOC_VERSION_MINOR), 3578 p_in_params->resc_max_val); 3579 3580 rc = qed_mcp_cmd_and_union(p_hwfn, p_ptt, &mb_params); 3581 if (rc) 3582 return rc; 3583 3584 p_out_params->mcp_resp = mb_params.mcp_resp; 3585 p_out_params->mcp_param = mb_params.mcp_param; 3586 p_out_params->resc_num = mfw_resc_info.size; 3587 p_out_params->resc_start = mfw_resc_info.offset; 3588 p_out_params->vf_resc_num = mfw_resc_info.vf_size; 3589 p_out_params->vf_resc_start = mfw_resc_info.vf_offset; 3590 p_out_params->flags = mfw_resc_info.flags; 3591 3592 DP_VERBOSE(p_hwfn, 3593 QED_MSG_SP, 3594 "Resource message response: mfw_hsi_version %d.%d, num 0x%x, start 0x%x, vf_num 0x%x, vf_start 0x%x, flags 0x%08x\n", 3595 QED_MFW_GET_FIELD(p_out_params->mcp_param, 3596 FW_MB_PARAM_RESOURCE_ALLOC_VERSION_MAJOR), 3597 QED_MFW_GET_FIELD(p_out_params->mcp_param, 3598 FW_MB_PARAM_RESOURCE_ALLOC_VERSION_MINOR), 3599 p_out_params->resc_num, 3600 p_out_params->resc_start, 3601 p_out_params->vf_resc_num, 3602 p_out_params->vf_resc_start, p_out_params->flags); 3603 3604 return 0; 3605 } 3606 3607 int 3608 qed_mcp_set_resc_max_val(struct qed_hwfn *p_hwfn, 3609 struct qed_ptt *p_ptt, 3610 enum qed_resources res_id, 3611 u32 resc_max_val, u32 *p_mcp_resp) 3612 { 3613 struct qed_resc_alloc_out_params out_params; 3614 struct qed_resc_alloc_in_params in_params; 3615 int rc; 3616 3617 memset(&in_params, 0, sizeof(in_params)); 3618 in_params.cmd = DRV_MSG_SET_RESOURCE_VALUE_MSG; 3619 in_params.res_id = res_id; 3620 in_params.resc_max_val = resc_max_val; 3621 memset(&out_params, 0, sizeof(out_params)); 3622 rc = qed_mcp_resc_allocation_msg(p_hwfn, p_ptt, &in_params, 3623 &out_params); 3624 if (rc) 3625 return rc; 3626 3627 *p_mcp_resp = out_params.mcp_resp; 3628 3629 return 0; 3630 } 3631 3632 int 3633 qed_mcp_get_resc_info(struct qed_hwfn *p_hwfn, 3634 struct qed_ptt *p_ptt, 3635 enum qed_resources res_id, 3636 u32 *p_mcp_resp, u32 *p_resc_num, u32 *p_resc_start) 3637 { 3638 struct qed_resc_alloc_out_params out_params; 3639 struct qed_resc_alloc_in_params in_params; 3640 int rc; 3641 3642 memset(&in_params, 0, sizeof(in_params)); 3643 in_params.cmd = DRV_MSG_GET_RESOURCE_ALLOC_MSG; 3644 in_params.res_id = res_id; 3645 memset(&out_params, 0, sizeof(out_params)); 3646 rc = qed_mcp_resc_allocation_msg(p_hwfn, p_ptt, &in_params, 3647 &out_params); 3648 if (rc) 3649 return rc; 3650 3651 *p_mcp_resp = out_params.mcp_resp; 3652 3653 if (*p_mcp_resp == FW_MSG_CODE_RESOURCE_ALLOC_OK) { 3654 *p_resc_num = out_params.resc_num; 3655 *p_resc_start = out_params.resc_start; 3656 } 3657 3658 return 0; 3659 } 3660 3661 int qed_mcp_initiate_pf_flr(struct qed_hwfn *p_hwfn, struct qed_ptt *p_ptt) 3662 { 3663 u32 mcp_resp, mcp_param; 3664 3665 return qed_mcp_cmd(p_hwfn, p_ptt, DRV_MSG_CODE_INITIATE_PF_FLR, 0, 3666 &mcp_resp, &mcp_param); 3667 } 3668 3669 static int qed_mcp_resource_cmd(struct qed_hwfn *p_hwfn, 3670 struct qed_ptt *p_ptt, 3671 u32 param, u32 *p_mcp_resp, u32 *p_mcp_param) 3672 { 3673 int rc; 3674 3675 rc = qed_mcp_cmd(p_hwfn, p_ptt, DRV_MSG_CODE_RESOURCE_CMD, param, 3676 p_mcp_resp, p_mcp_param); 3677 if (rc) 3678 return rc; 3679 3680 if (*p_mcp_resp == FW_MSG_CODE_UNSUPPORTED) { 3681 DP_INFO(p_hwfn, 3682 "The resource command is unsupported by the MFW\n"); 3683 return -EINVAL; 3684 } 3685 3686 if (*p_mcp_param == RESOURCE_OPCODE_UNKNOWN_CMD) { 3687 u8 opcode = QED_MFW_GET_FIELD(param, RESOURCE_CMD_REQ_OPCODE); 3688 3689 DP_NOTICE(p_hwfn, 3690 "The resource command is unknown to the MFW [param 0x%08x, opcode %d]\n", 3691 param, opcode); 3692 return -EINVAL; 3693 } 3694 3695 return rc; 3696 } 3697 3698 static int 3699 __qed_mcp_resc_lock(struct qed_hwfn *p_hwfn, 3700 struct qed_ptt *p_ptt, 3701 struct qed_resc_lock_params *p_params) 3702 { 3703 u32 param = 0, mcp_resp, mcp_param; 3704 u8 opcode; 3705 int rc; 3706 3707 switch (p_params->timeout) { 3708 case QED_MCP_RESC_LOCK_TO_DEFAULT: 3709 opcode = RESOURCE_OPCODE_REQ; 3710 p_params->timeout = 0; 3711 break; 3712 case QED_MCP_RESC_LOCK_TO_NONE: 3713 opcode = RESOURCE_OPCODE_REQ_WO_AGING; 3714 p_params->timeout = 0; 3715 break; 3716 default: 3717 opcode = RESOURCE_OPCODE_REQ_W_AGING; 3718 break; 3719 } 3720 3721 QED_MFW_SET_FIELD(param, RESOURCE_CMD_REQ_RESC, p_params->resource); 3722 QED_MFW_SET_FIELD(param, RESOURCE_CMD_REQ_OPCODE, opcode); 3723 QED_MFW_SET_FIELD(param, RESOURCE_CMD_REQ_AGE, p_params->timeout); 3724 3725 DP_VERBOSE(p_hwfn, 3726 QED_MSG_SP, 3727 "Resource lock request: param 0x%08x [age %d, opcode %d, resource %d]\n", 3728 param, p_params->timeout, opcode, p_params->resource); 3729 3730 /* Attempt to acquire the resource */ 3731 rc = qed_mcp_resource_cmd(p_hwfn, p_ptt, param, &mcp_resp, &mcp_param); 3732 if (rc) 3733 return rc; 3734 3735 /* Analyze the response */ 3736 p_params->owner = QED_MFW_GET_FIELD(mcp_param, RESOURCE_CMD_RSP_OWNER); 3737 opcode = QED_MFW_GET_FIELD(mcp_param, RESOURCE_CMD_RSP_OPCODE); 3738 3739 DP_VERBOSE(p_hwfn, 3740 QED_MSG_SP, 3741 "Resource lock response: mcp_param 0x%08x [opcode %d, owner %d]\n", 3742 mcp_param, opcode, p_params->owner); 3743 3744 switch (opcode) { 3745 case RESOURCE_OPCODE_GNT: 3746 p_params->b_granted = true; 3747 break; 3748 case RESOURCE_OPCODE_BUSY: 3749 p_params->b_granted = false; 3750 break; 3751 default: 3752 DP_NOTICE(p_hwfn, 3753 "Unexpected opcode in resource lock response [mcp_param 0x%08x, opcode %d]\n", 3754 mcp_param, opcode); 3755 return -EINVAL; 3756 } 3757 3758 return 0; 3759 } 3760 3761 int 3762 qed_mcp_resc_lock(struct qed_hwfn *p_hwfn, 3763 struct qed_ptt *p_ptt, struct qed_resc_lock_params *p_params) 3764 { 3765 u32 retry_cnt = 0; 3766 int rc; 3767 3768 do { 3769 /* No need for an interval before the first iteration */ 3770 if (retry_cnt) { 3771 if (p_params->sleep_b4_retry) { 3772 u16 retry_interval_in_ms = 3773 DIV_ROUND_UP(p_params->retry_interval, 3774 1000); 3775 3776 msleep(retry_interval_in_ms); 3777 } else { 3778 udelay(p_params->retry_interval); 3779 } 3780 } 3781 3782 rc = __qed_mcp_resc_lock(p_hwfn, p_ptt, p_params); 3783 if (rc) 3784 return rc; 3785 3786 if (p_params->b_granted) 3787 break; 3788 } while (retry_cnt++ < p_params->retry_num); 3789 3790 return 0; 3791 } 3792 3793 int 3794 qed_mcp_resc_unlock(struct qed_hwfn *p_hwfn, 3795 struct qed_ptt *p_ptt, 3796 struct qed_resc_unlock_params *p_params) 3797 { 3798 u32 param = 0, mcp_resp, mcp_param; 3799 u8 opcode; 3800 int rc; 3801 3802 opcode = p_params->b_force ? RESOURCE_OPCODE_FORCE_RELEASE 3803 : RESOURCE_OPCODE_RELEASE; 3804 QED_MFW_SET_FIELD(param, RESOURCE_CMD_REQ_RESC, p_params->resource); 3805 QED_MFW_SET_FIELD(param, RESOURCE_CMD_REQ_OPCODE, opcode); 3806 3807 DP_VERBOSE(p_hwfn, QED_MSG_SP, 3808 "Resource unlock request: param 0x%08x [opcode %d, resource %d]\n", 3809 param, opcode, p_params->resource); 3810 3811 /* Attempt to release the resource */ 3812 rc = qed_mcp_resource_cmd(p_hwfn, p_ptt, param, &mcp_resp, &mcp_param); 3813 if (rc) 3814 return rc; 3815 3816 /* Analyze the response */ 3817 opcode = QED_MFW_GET_FIELD(mcp_param, RESOURCE_CMD_RSP_OPCODE); 3818 3819 DP_VERBOSE(p_hwfn, QED_MSG_SP, 3820 "Resource unlock response: mcp_param 0x%08x [opcode %d]\n", 3821 mcp_param, opcode); 3822 3823 switch (opcode) { 3824 case RESOURCE_OPCODE_RELEASED_PREVIOUS: 3825 DP_INFO(p_hwfn, 3826 "Resource unlock request for an already released resource [%d]\n", 3827 p_params->resource); 3828 fallthrough; 3829 case RESOURCE_OPCODE_RELEASED: 3830 p_params->b_released = true; 3831 break; 3832 case RESOURCE_OPCODE_WRONG_OWNER: 3833 p_params->b_released = false; 3834 break; 3835 default: 3836 DP_NOTICE(p_hwfn, 3837 "Unexpected opcode in resource unlock response [mcp_param 0x%08x, opcode %d]\n", 3838 mcp_param, opcode); 3839 return -EINVAL; 3840 } 3841 3842 return 0; 3843 } 3844 3845 void qed_mcp_resc_lock_default_init(struct qed_resc_lock_params *p_lock, 3846 struct qed_resc_unlock_params *p_unlock, 3847 enum qed_resc_lock 3848 resource, bool b_is_permanent) 3849 { 3850 if (p_lock) { 3851 memset(p_lock, 0, sizeof(*p_lock)); 3852 3853 /* Permanent resources don't require aging, and there's no 3854 * point in trying to acquire them more than once since it's 3855 * unexpected another entity would release them. 3856 */ 3857 if (b_is_permanent) { 3858 p_lock->timeout = QED_MCP_RESC_LOCK_TO_NONE; 3859 } else { 3860 p_lock->retry_num = QED_MCP_RESC_LOCK_RETRY_CNT_DFLT; 3861 p_lock->retry_interval = 3862 QED_MCP_RESC_LOCK_RETRY_VAL_DFLT; 3863 p_lock->sleep_b4_retry = true; 3864 } 3865 3866 p_lock->resource = resource; 3867 } 3868 3869 if (p_unlock) { 3870 memset(p_unlock, 0, sizeof(*p_unlock)); 3871 p_unlock->resource = resource; 3872 } 3873 } 3874 3875 bool qed_mcp_is_smart_an_supported(struct qed_hwfn *p_hwfn) 3876 { 3877 return !!(p_hwfn->mcp_info->capabilities & 3878 FW_MB_PARAM_FEATURE_SUPPORT_SMARTLINQ); 3879 } 3880 3881 int qed_mcp_get_capabilities(struct qed_hwfn *p_hwfn, struct qed_ptt *p_ptt) 3882 { 3883 u32 mcp_resp; 3884 int rc; 3885 3886 rc = qed_mcp_cmd(p_hwfn, p_ptt, DRV_MSG_CODE_GET_MFW_FEATURE_SUPPORT, 3887 0, &mcp_resp, &p_hwfn->mcp_info->capabilities); 3888 if (!rc) 3889 DP_VERBOSE(p_hwfn, (QED_MSG_SP | NETIF_MSG_PROBE), 3890 "MFW supported features: %08x\n", 3891 p_hwfn->mcp_info->capabilities); 3892 3893 return rc; 3894 } 3895 3896 int qed_mcp_set_capabilities(struct qed_hwfn *p_hwfn, struct qed_ptt *p_ptt) 3897 { 3898 u32 mcp_resp, mcp_param, features; 3899 3900 features = DRV_MB_PARAM_FEATURE_SUPPORT_PORT_EEE | 3901 DRV_MB_PARAM_FEATURE_SUPPORT_FUNC_VLINK | 3902 DRV_MB_PARAM_FEATURE_SUPPORT_PORT_FEC_CONTROL; 3903 3904 if (QED_IS_E5(p_hwfn->cdev)) 3905 features |= 3906 DRV_MB_PARAM_FEATURE_SUPPORT_PORT_EXT_SPEED_FEC_CONTROL; 3907 3908 return qed_mcp_cmd(p_hwfn, p_ptt, DRV_MSG_CODE_FEATURE_SUPPORT, 3909 features, &mcp_resp, &mcp_param); 3910 } 3911 3912 int qed_mcp_get_engine_config(struct qed_hwfn *p_hwfn, struct qed_ptt *p_ptt) 3913 { 3914 struct qed_mcp_mb_params mb_params = {0}; 3915 struct qed_dev *cdev = p_hwfn->cdev; 3916 u8 fir_valid, l2_valid; 3917 int rc; 3918 3919 mb_params.cmd = DRV_MSG_CODE_GET_ENGINE_CONFIG; 3920 rc = qed_mcp_cmd_and_union(p_hwfn, p_ptt, &mb_params); 3921 if (rc) 3922 return rc; 3923 3924 if (mb_params.mcp_resp == FW_MSG_CODE_UNSUPPORTED) { 3925 DP_INFO(p_hwfn, 3926 "The get_engine_config command is unsupported by the MFW\n"); 3927 return -EOPNOTSUPP; 3928 } 3929 3930 fir_valid = QED_MFW_GET_FIELD(mb_params.mcp_param, 3931 FW_MB_PARAM_ENG_CFG_FIR_AFFIN_VALID); 3932 if (fir_valid) 3933 cdev->fir_affin = 3934 QED_MFW_GET_FIELD(mb_params.mcp_param, 3935 FW_MB_PARAM_ENG_CFG_FIR_AFFIN_VALUE); 3936 3937 l2_valid = QED_MFW_GET_FIELD(mb_params.mcp_param, 3938 FW_MB_PARAM_ENG_CFG_L2_AFFIN_VALID); 3939 if (l2_valid) 3940 cdev->l2_affin_hint = 3941 QED_MFW_GET_FIELD(mb_params.mcp_param, 3942 FW_MB_PARAM_ENG_CFG_L2_AFFIN_VALUE); 3943 3944 DP_INFO(p_hwfn, 3945 "Engine affinity config: FIR={valid %hhd, value %hhd}, L2_hint={valid %hhd, value %hhd}\n", 3946 fir_valid, cdev->fir_affin, l2_valid, cdev->l2_affin_hint); 3947 3948 return 0; 3949 } 3950 3951 int qed_mcp_get_ppfid_bitmap(struct qed_hwfn *p_hwfn, struct qed_ptt *p_ptt) 3952 { 3953 struct qed_mcp_mb_params mb_params = {0}; 3954 struct qed_dev *cdev = p_hwfn->cdev; 3955 int rc; 3956 3957 mb_params.cmd = DRV_MSG_CODE_GET_PPFID_BITMAP; 3958 rc = qed_mcp_cmd_and_union(p_hwfn, p_ptt, &mb_params); 3959 if (rc) 3960 return rc; 3961 3962 if (mb_params.mcp_resp == FW_MSG_CODE_UNSUPPORTED) { 3963 DP_INFO(p_hwfn, 3964 "The get_ppfid_bitmap command is unsupported by the MFW\n"); 3965 return -EOPNOTSUPP; 3966 } 3967 3968 cdev->ppfid_bitmap = QED_MFW_GET_FIELD(mb_params.mcp_param, 3969 FW_MB_PARAM_PPFID_BITMAP); 3970 3971 DP_VERBOSE(p_hwfn, QED_MSG_SP, "PPFID bitmap 0x%hhx\n", 3972 cdev->ppfid_bitmap); 3973 3974 return 0; 3975 } 3976 3977 int qed_mcp_nvm_get_cfg(struct qed_hwfn *p_hwfn, struct qed_ptt *p_ptt, 3978 u16 option_id, u8 entity_id, u16 flags, u8 *p_buf, 3979 u32 *p_len) 3980 { 3981 u32 mb_param = 0, resp, param; 3982 int rc; 3983 3984 QED_MFW_SET_FIELD(mb_param, DRV_MB_PARAM_NVM_CFG_OPTION_ID, option_id); 3985 if (flags & QED_NVM_CFG_OPTION_INIT) 3986 QED_MFW_SET_FIELD(mb_param, 3987 DRV_MB_PARAM_NVM_CFG_OPTION_INIT, 1); 3988 if (flags & QED_NVM_CFG_OPTION_FREE) 3989 QED_MFW_SET_FIELD(mb_param, 3990 DRV_MB_PARAM_NVM_CFG_OPTION_FREE, 1); 3991 if (flags & QED_NVM_CFG_OPTION_ENTITY_SEL) { 3992 QED_MFW_SET_FIELD(mb_param, 3993 DRV_MB_PARAM_NVM_CFG_OPTION_ENTITY_SEL, 1); 3994 QED_MFW_SET_FIELD(mb_param, 3995 DRV_MB_PARAM_NVM_CFG_OPTION_ENTITY_ID, 3996 entity_id); 3997 } 3998 3999 rc = qed_mcp_nvm_rd_cmd(p_hwfn, p_ptt, 4000 DRV_MSG_CODE_GET_NVM_CFG_OPTION, 4001 mb_param, &resp, ¶m, p_len, (u32 *)p_buf); 4002 4003 return rc; 4004 } 4005 4006 int qed_mcp_nvm_set_cfg(struct qed_hwfn *p_hwfn, struct qed_ptt *p_ptt, 4007 u16 option_id, u8 entity_id, u16 flags, u8 *p_buf, 4008 u32 len) 4009 { 4010 u32 mb_param = 0, resp, param; 4011 4012 QED_MFW_SET_FIELD(mb_param, DRV_MB_PARAM_NVM_CFG_OPTION_ID, option_id); 4013 if (flags & QED_NVM_CFG_OPTION_ALL) 4014 QED_MFW_SET_FIELD(mb_param, 4015 DRV_MB_PARAM_NVM_CFG_OPTION_ALL, 1); 4016 if (flags & QED_NVM_CFG_OPTION_INIT) 4017 QED_MFW_SET_FIELD(mb_param, 4018 DRV_MB_PARAM_NVM_CFG_OPTION_INIT, 1); 4019 if (flags & QED_NVM_CFG_OPTION_COMMIT) 4020 QED_MFW_SET_FIELD(mb_param, 4021 DRV_MB_PARAM_NVM_CFG_OPTION_COMMIT, 1); 4022 if (flags & QED_NVM_CFG_OPTION_FREE) 4023 QED_MFW_SET_FIELD(mb_param, 4024 DRV_MB_PARAM_NVM_CFG_OPTION_FREE, 1); 4025 if (flags & QED_NVM_CFG_OPTION_ENTITY_SEL) { 4026 QED_MFW_SET_FIELD(mb_param, 4027 DRV_MB_PARAM_NVM_CFG_OPTION_ENTITY_SEL, 1); 4028 QED_MFW_SET_FIELD(mb_param, 4029 DRV_MB_PARAM_NVM_CFG_OPTION_ENTITY_ID, 4030 entity_id); 4031 } 4032 4033 return qed_mcp_nvm_wr_cmd(p_hwfn, p_ptt, 4034 DRV_MSG_CODE_SET_NVM_CFG_OPTION, 4035 mb_param, &resp, ¶m, len, (u32 *)p_buf); 4036 } 4037 4038 #define QED_MCP_DBG_DATA_MAX_SIZE MCP_DRV_NVM_BUF_LEN 4039 #define QED_MCP_DBG_DATA_MAX_HEADER_SIZE sizeof(u32) 4040 #define QED_MCP_DBG_DATA_MAX_PAYLOAD_SIZE \ 4041 (QED_MCP_DBG_DATA_MAX_SIZE - QED_MCP_DBG_DATA_MAX_HEADER_SIZE) 4042 4043 static int 4044 __qed_mcp_send_debug_data(struct qed_hwfn *p_hwfn, 4045 struct qed_ptt *p_ptt, u8 *p_buf, u8 size) 4046 { 4047 struct qed_mcp_mb_params mb_params; 4048 int rc; 4049 4050 if (size > QED_MCP_DBG_DATA_MAX_SIZE) { 4051 DP_ERR(p_hwfn, 4052 "Debug data size is %d while it should not exceed %d\n", 4053 size, QED_MCP_DBG_DATA_MAX_SIZE); 4054 return -EINVAL; 4055 } 4056 4057 memset(&mb_params, 0, sizeof(mb_params)); 4058 mb_params.cmd = DRV_MSG_CODE_DEBUG_DATA_SEND; 4059 SET_MFW_FIELD(mb_params.param, DRV_MSG_CODE_DEBUG_DATA_SEND_SIZE, size); 4060 mb_params.p_data_src = p_buf; 4061 mb_params.data_src_size = size; 4062 rc = qed_mcp_cmd_and_union(p_hwfn, p_ptt, &mb_params); 4063 if (rc) 4064 return rc; 4065 4066 if (mb_params.mcp_resp == FW_MSG_CODE_UNSUPPORTED) { 4067 DP_INFO(p_hwfn, 4068 "The DEBUG_DATA_SEND command is unsupported by the MFW\n"); 4069 return -EOPNOTSUPP; 4070 } else if (mb_params.mcp_resp == (u32)FW_MSG_CODE_DEBUG_NOT_ENABLED) { 4071 DP_INFO(p_hwfn, "The DEBUG_DATA_SEND command is not enabled\n"); 4072 return -EBUSY; 4073 } else if (mb_params.mcp_resp != (u32)FW_MSG_CODE_DEBUG_DATA_SEND_OK) { 4074 DP_NOTICE(p_hwfn, 4075 "Failed to send debug data to the MFW [resp 0x%08x]\n", 4076 mb_params.mcp_resp); 4077 return -EINVAL; 4078 } 4079 4080 return 0; 4081 } 4082 4083 enum qed_mcp_dbg_data_type { 4084 QED_MCP_DBG_DATA_TYPE_RAW, 4085 }; 4086 4087 /* Header format: [31:28] PFID, [27:20] flags, [19:12] type, [11:0] S/N */ 4088 #define QED_MCP_DBG_DATA_HDR_SN_OFFSET 0 4089 #define QED_MCP_DBG_DATA_HDR_SN_MASK 0x00000fff 4090 #define QED_MCP_DBG_DATA_HDR_TYPE_OFFSET 12 4091 #define QED_MCP_DBG_DATA_HDR_TYPE_MASK 0x000ff000 4092 #define QED_MCP_DBG_DATA_HDR_FLAGS_OFFSET 20 4093 #define QED_MCP_DBG_DATA_HDR_FLAGS_MASK 0x0ff00000 4094 #define QED_MCP_DBG_DATA_HDR_PF_OFFSET 28 4095 #define QED_MCP_DBG_DATA_HDR_PF_MASK 0xf0000000 4096 4097 #define QED_MCP_DBG_DATA_HDR_FLAGS_FIRST 0x1 4098 #define QED_MCP_DBG_DATA_HDR_FLAGS_LAST 0x2 4099 4100 static int 4101 qed_mcp_send_debug_data(struct qed_hwfn *p_hwfn, 4102 struct qed_ptt *p_ptt, 4103 enum qed_mcp_dbg_data_type type, u8 *p_buf, u32 size) 4104 { 4105 u8 raw_data[QED_MCP_DBG_DATA_MAX_SIZE], *p_tmp_buf = p_buf; 4106 u32 tmp_size = size, *p_header, *p_payload; 4107 u8 flags = 0; 4108 u16 seq; 4109 int rc; 4110 4111 p_header = (u32 *)raw_data; 4112 p_payload = (u32 *)(raw_data + QED_MCP_DBG_DATA_MAX_HEADER_SIZE); 4113 4114 seq = (u16)atomic_inc_return(&p_hwfn->mcp_info->dbg_data_seq); 4115 4116 /* First chunk is marked as 'first' */ 4117 flags |= QED_MCP_DBG_DATA_HDR_FLAGS_FIRST; 4118 4119 *p_header = 0; 4120 SET_MFW_FIELD(*p_header, QED_MCP_DBG_DATA_HDR_SN, seq); 4121 SET_MFW_FIELD(*p_header, QED_MCP_DBG_DATA_HDR_TYPE, type); 4122 SET_MFW_FIELD(*p_header, QED_MCP_DBG_DATA_HDR_FLAGS, flags); 4123 SET_MFW_FIELD(*p_header, QED_MCP_DBG_DATA_HDR_PF, p_hwfn->abs_pf_id); 4124 4125 while (tmp_size > QED_MCP_DBG_DATA_MAX_PAYLOAD_SIZE) { 4126 memcpy(p_payload, p_tmp_buf, QED_MCP_DBG_DATA_MAX_PAYLOAD_SIZE); 4127 rc = __qed_mcp_send_debug_data(p_hwfn, p_ptt, raw_data, 4128 QED_MCP_DBG_DATA_MAX_SIZE); 4129 if (rc) 4130 return rc; 4131 4132 /* Clear the 'first' marking after sending the first chunk */ 4133 if (p_tmp_buf == p_buf) { 4134 flags &= ~QED_MCP_DBG_DATA_HDR_FLAGS_FIRST; 4135 SET_MFW_FIELD(*p_header, QED_MCP_DBG_DATA_HDR_FLAGS, 4136 flags); 4137 } 4138 4139 p_tmp_buf += QED_MCP_DBG_DATA_MAX_PAYLOAD_SIZE; 4140 tmp_size -= QED_MCP_DBG_DATA_MAX_PAYLOAD_SIZE; 4141 } 4142 4143 /* Last chunk is marked as 'last' */ 4144 flags |= QED_MCP_DBG_DATA_HDR_FLAGS_LAST; 4145 SET_MFW_FIELD(*p_header, QED_MCP_DBG_DATA_HDR_FLAGS, flags); 4146 memcpy(p_payload, p_tmp_buf, tmp_size); 4147 4148 /* Casting the left size to u8 is ok since at this point it is <= 32 */ 4149 return __qed_mcp_send_debug_data(p_hwfn, p_ptt, raw_data, 4150 (u8)(QED_MCP_DBG_DATA_MAX_HEADER_SIZE + 4151 tmp_size)); 4152 } 4153 4154 int 4155 qed_mcp_send_raw_debug_data(struct qed_hwfn *p_hwfn, 4156 struct qed_ptt *p_ptt, u8 *p_buf, u32 size) 4157 { 4158 return qed_mcp_send_debug_data(p_hwfn, p_ptt, 4159 QED_MCP_DBG_DATA_TYPE_RAW, p_buf, size); 4160 } 4161