1 /* QLogic qed NIC Driver 2 * Copyright (c) 2015-2017 QLogic Corporation 3 * 4 * This software is available to you under a choice of one of two 5 * licenses. You may choose to be licensed under the terms of the GNU 6 * General Public License (GPL) Version 2, available from the file 7 * COPYING in the main directory of this source tree, or the 8 * OpenIB.org BSD license below: 9 * 10 * Redistribution and use in source and binary forms, with or 11 * without modification, are permitted provided that the following 12 * conditions are met: 13 * 14 * - Redistributions of source code must retain the above 15 * copyright notice, this list of conditions and the following 16 * disclaimer. 17 * 18 * - Redistributions in binary form must reproduce the above 19 * copyright notice, this list of conditions and the following 20 * disclaimer in the documentation and /or other materials 21 * provided with the distribution. 22 * 23 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, 24 * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF 25 * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND 26 * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS 27 * BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN 28 * ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN 29 * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE 30 * SOFTWARE. 31 */ 32 33 #ifndef _QED_MCP_H 34 #define _QED_MCP_H 35 36 #include <linux/types.h> 37 #include <linux/delay.h> 38 #include <linux/slab.h> 39 #include <linux/spinlock.h> 40 #include <linux/qed/qed_fcoe_if.h> 41 #include "qed_hsi.h" 42 #include "qed_dev_api.h" 43 44 struct qed_mcp_link_speed_params { 45 bool autoneg; 46 u32 advertised_speeds; /* bitmask of DRV_SPEED_CAPABILITY */ 47 u32 forced_speed; /* In Mb/s */ 48 }; 49 50 struct qed_mcp_link_pause_params { 51 bool autoneg; 52 bool forced_rx; 53 bool forced_tx; 54 }; 55 56 enum qed_mcp_eee_mode { 57 QED_MCP_EEE_DISABLED, 58 QED_MCP_EEE_ENABLED, 59 QED_MCP_EEE_UNSUPPORTED 60 }; 61 62 struct qed_mcp_link_params { 63 struct qed_mcp_link_speed_params speed; 64 struct qed_mcp_link_pause_params pause; 65 u32 loopback_mode; 66 struct qed_link_eee_params eee; 67 }; 68 69 struct qed_mcp_link_capabilities { 70 u32 speed_capabilities; 71 bool default_speed_autoneg; 72 enum qed_mcp_eee_mode default_eee; 73 u32 eee_lpi_timer; 74 u8 eee_speed_caps; 75 }; 76 77 struct qed_mcp_link_state { 78 bool link_up; 79 80 u32 min_pf_rate; 81 82 /* Actual link speed in Mb/s */ 83 u32 line_speed; 84 85 /* PF max speed in Mb/s, deduced from line_speed 86 * according to PF max bandwidth configuration. 87 */ 88 u32 speed; 89 bool full_duplex; 90 91 bool an; 92 bool an_complete; 93 bool parallel_detection; 94 bool pfc_enabled; 95 96 #define QED_LINK_PARTNER_SPEED_1G_HD BIT(0) 97 #define QED_LINK_PARTNER_SPEED_1G_FD BIT(1) 98 #define QED_LINK_PARTNER_SPEED_10G BIT(2) 99 #define QED_LINK_PARTNER_SPEED_20G BIT(3) 100 #define QED_LINK_PARTNER_SPEED_25G BIT(4) 101 #define QED_LINK_PARTNER_SPEED_40G BIT(5) 102 #define QED_LINK_PARTNER_SPEED_50G BIT(6) 103 #define QED_LINK_PARTNER_SPEED_100G BIT(7) 104 u32 partner_adv_speed; 105 106 bool partner_tx_flow_ctrl_en; 107 bool partner_rx_flow_ctrl_en; 108 109 #define QED_LINK_PARTNER_SYMMETRIC_PAUSE (1) 110 #define QED_LINK_PARTNER_ASYMMETRIC_PAUSE (2) 111 #define QED_LINK_PARTNER_BOTH_PAUSE (3) 112 u8 partner_adv_pause; 113 114 bool sfp_tx_fault; 115 bool eee_active; 116 u8 eee_adv_caps; 117 u8 eee_lp_adv_caps; 118 }; 119 120 struct qed_mcp_function_info { 121 u8 pause_on_host; 122 123 enum qed_pci_personality protocol; 124 125 u8 bandwidth_min; 126 u8 bandwidth_max; 127 128 u8 mac[ETH_ALEN]; 129 130 u64 wwn_port; 131 u64 wwn_node; 132 133 #define QED_MCP_VLAN_UNSET (0xffff) 134 u16 ovlan; 135 136 u16 mtu; 137 }; 138 139 struct qed_mcp_nvm_common { 140 u32 offset; 141 u32 param; 142 u32 resp; 143 u32 cmd; 144 }; 145 146 struct qed_mcp_drv_version { 147 u32 version; 148 u8 name[MCP_DRV_VER_STR_SIZE - 4]; 149 }; 150 151 struct qed_mcp_lan_stats { 152 u64 ucast_rx_pkts; 153 u64 ucast_tx_pkts; 154 u32 fcs_err; 155 }; 156 157 struct qed_mcp_fcoe_stats { 158 u64 rx_pkts; 159 u64 tx_pkts; 160 u32 fcs_err; 161 u32 login_failure; 162 }; 163 164 struct qed_mcp_iscsi_stats { 165 u64 rx_pdus; 166 u64 tx_pdus; 167 u64 rx_bytes; 168 u64 tx_bytes; 169 }; 170 171 struct qed_mcp_rdma_stats { 172 u64 rx_pkts; 173 u64 tx_pkts; 174 u64 rx_bytes; 175 u64 tx_byts; 176 }; 177 178 enum qed_mcp_protocol_type { 179 QED_MCP_LAN_STATS, 180 QED_MCP_FCOE_STATS, 181 QED_MCP_ISCSI_STATS, 182 QED_MCP_RDMA_STATS 183 }; 184 185 union qed_mcp_protocol_stats { 186 struct qed_mcp_lan_stats lan_stats; 187 struct qed_mcp_fcoe_stats fcoe_stats; 188 struct qed_mcp_iscsi_stats iscsi_stats; 189 struct qed_mcp_rdma_stats rdma_stats; 190 }; 191 192 enum qed_ov_eswitch { 193 QED_OV_ESWITCH_NONE, 194 QED_OV_ESWITCH_VEB, 195 QED_OV_ESWITCH_VEPA 196 }; 197 198 enum qed_ov_client { 199 QED_OV_CLIENT_DRV, 200 QED_OV_CLIENT_USER, 201 QED_OV_CLIENT_VENDOR_SPEC 202 }; 203 204 enum qed_ov_driver_state { 205 QED_OV_DRIVER_STATE_NOT_LOADED, 206 QED_OV_DRIVER_STATE_DISABLED, 207 QED_OV_DRIVER_STATE_ACTIVE 208 }; 209 210 enum qed_ov_wol { 211 QED_OV_WOL_DEFAULT, 212 QED_OV_WOL_DISABLED, 213 QED_OV_WOL_ENABLED 214 }; 215 216 /** 217 * @brief - returns the link params of the hw function 218 * 219 * @param p_hwfn 220 * 221 * @returns pointer to link params 222 */ 223 struct qed_mcp_link_params *qed_mcp_get_link_params(struct qed_hwfn *); 224 225 /** 226 * @brief - return the link state of the hw function 227 * 228 * @param p_hwfn 229 * 230 * @returns pointer to link state 231 */ 232 struct qed_mcp_link_state *qed_mcp_get_link_state(struct qed_hwfn *); 233 234 /** 235 * @brief - return the link capabilities of the hw function 236 * 237 * @param p_hwfn 238 * 239 * @returns pointer to link capabilities 240 */ 241 struct qed_mcp_link_capabilities 242 *qed_mcp_get_link_capabilities(struct qed_hwfn *p_hwfn); 243 244 /** 245 * @brief Request the MFW to set the the link according to 'link_input'. 246 * 247 * @param p_hwfn 248 * @param p_ptt 249 * @param b_up - raise link if `true'. Reset link if `false'. 250 * 251 * @return int 252 */ 253 int qed_mcp_set_link(struct qed_hwfn *p_hwfn, 254 struct qed_ptt *p_ptt, 255 bool b_up); 256 257 /** 258 * @brief Get the management firmware version value 259 * 260 * @param p_hwfn 261 * @param p_ptt 262 * @param p_mfw_ver - mfw version value 263 * @param p_running_bundle_id - image id in nvram; Optional. 264 * 265 * @return int - 0 - operation was successful. 266 */ 267 int qed_mcp_get_mfw_ver(struct qed_hwfn *p_hwfn, 268 struct qed_ptt *p_ptt, 269 u32 *p_mfw_ver, u32 *p_running_bundle_id); 270 271 /** 272 * @brief Get the MBI version value 273 * 274 * @param p_hwfn 275 * @param p_ptt 276 * @param p_mbi_ver - A pointer to a variable to be filled with the MBI version. 277 * 278 * @return int - 0 - operation was successful. 279 */ 280 int qed_mcp_get_mbi_ver(struct qed_hwfn *p_hwfn, 281 struct qed_ptt *p_ptt, u32 *p_mbi_ver); 282 283 /** 284 * @brief Get media type value of the port. 285 * 286 * @param cdev - qed dev pointer 287 * @param mfw_ver - media type value 288 * 289 * @return int - 290 * 0 - Operation was successul. 291 * -EBUSY - Operation failed 292 */ 293 int qed_mcp_get_media_type(struct qed_dev *cdev, 294 u32 *media_type); 295 296 /** 297 * @brief General function for sending commands to the MCP 298 * mailbox. It acquire mutex lock for the entire 299 * operation, from sending the request until the MCP 300 * response. Waiting for MCP response will be checked up 301 * to 5 seconds every 5ms. 302 * 303 * @param p_hwfn - hw function 304 * @param p_ptt - PTT required for register access 305 * @param cmd - command to be sent to the MCP. 306 * @param param - Optional param 307 * @param o_mcp_resp - The MCP response code (exclude sequence). 308 * @param o_mcp_param- Optional parameter provided by the MCP 309 * response 310 * @return int - 0 - operation 311 * was successul. 312 */ 313 int qed_mcp_cmd(struct qed_hwfn *p_hwfn, 314 struct qed_ptt *p_ptt, 315 u32 cmd, 316 u32 param, 317 u32 *o_mcp_resp, 318 u32 *o_mcp_param); 319 320 /** 321 * @brief - drains the nig, allowing completion to pass in case of pauses. 322 * (Should be called only from sleepable context) 323 * 324 * @param p_hwfn 325 * @param p_ptt 326 */ 327 int qed_mcp_drain(struct qed_hwfn *p_hwfn, 328 struct qed_ptt *p_ptt); 329 330 /** 331 * @brief Get the flash size value 332 * 333 * @param p_hwfn 334 * @param p_ptt 335 * @param p_flash_size - flash size in bytes to be filled. 336 * 337 * @return int - 0 - operation was successul. 338 */ 339 int qed_mcp_get_flash_size(struct qed_hwfn *p_hwfn, 340 struct qed_ptt *p_ptt, 341 u32 *p_flash_size); 342 343 /** 344 * @brief Send driver version to MFW 345 * 346 * @param p_hwfn 347 * @param p_ptt 348 * @param version - Version value 349 * @param name - Protocol driver name 350 * 351 * @return int - 0 - operation was successul. 352 */ 353 int 354 qed_mcp_send_drv_version(struct qed_hwfn *p_hwfn, 355 struct qed_ptt *p_ptt, 356 struct qed_mcp_drv_version *p_ver); 357 358 /** 359 * @brief Notify MFW about the change in base device properties 360 * 361 * @param p_hwfn 362 * @param p_ptt 363 * @param client - qed client type 364 * 365 * @return int - 0 - operation was successful. 366 */ 367 int qed_mcp_ov_update_current_config(struct qed_hwfn *p_hwfn, 368 struct qed_ptt *p_ptt, 369 enum qed_ov_client client); 370 371 /** 372 * @brief Notify MFW about the driver state 373 * 374 * @param p_hwfn 375 * @param p_ptt 376 * @param drv_state - Driver state 377 * 378 * @return int - 0 - operation was successful. 379 */ 380 int qed_mcp_ov_update_driver_state(struct qed_hwfn *p_hwfn, 381 struct qed_ptt *p_ptt, 382 enum qed_ov_driver_state drv_state); 383 384 /** 385 * @brief Send MTU size to MFW 386 * 387 * @param p_hwfn 388 * @param p_ptt 389 * @param mtu - MTU size 390 * 391 * @return int - 0 - operation was successful. 392 */ 393 int qed_mcp_ov_update_mtu(struct qed_hwfn *p_hwfn, 394 struct qed_ptt *p_ptt, u16 mtu); 395 396 /** 397 * @brief Send MAC address to MFW 398 * 399 * @param p_hwfn 400 * @param p_ptt 401 * @param mac - MAC address 402 * 403 * @return int - 0 - operation was successful. 404 */ 405 int qed_mcp_ov_update_mac(struct qed_hwfn *p_hwfn, 406 struct qed_ptt *p_ptt, u8 *mac); 407 408 /** 409 * @brief Send WOL mode to MFW 410 * 411 * @param p_hwfn 412 * @param p_ptt 413 * @param wol - WOL mode 414 * 415 * @return int - 0 - operation was successful. 416 */ 417 int qed_mcp_ov_update_wol(struct qed_hwfn *p_hwfn, 418 struct qed_ptt *p_ptt, 419 enum qed_ov_wol wol); 420 421 /** 422 * @brief Set LED status 423 * 424 * @param p_hwfn 425 * @param p_ptt 426 * @param mode - LED mode 427 * 428 * @return int - 0 - operation was successful. 429 */ 430 int qed_mcp_set_led(struct qed_hwfn *p_hwfn, 431 struct qed_ptt *p_ptt, 432 enum qed_led_mode mode); 433 434 /** 435 * @brief Read from nvm 436 * 437 * @param cdev 438 * @param addr - nvm offset 439 * @param p_buf - nvm read buffer 440 * @param len - buffer len 441 * 442 * @return int - 0 - operation was successful. 443 */ 444 int qed_mcp_nvm_read(struct qed_dev *cdev, u32 addr, u8 *p_buf, u32 len); 445 446 struct qed_nvm_image_att { 447 u32 start_addr; 448 u32 length; 449 }; 450 451 /** 452 * @brief Allows reading a whole nvram image 453 * 454 * @param p_hwfn 455 * @param p_ptt 456 * @param image_id - image requested for reading 457 * @param p_buffer - allocated buffer into which to fill data 458 * @param buffer_len - length of the allocated buffer. 459 * 460 * @return 0 iff p_buffer now contains the nvram image. 461 */ 462 int qed_mcp_get_nvm_image(struct qed_hwfn *p_hwfn, 463 struct qed_ptt *p_ptt, 464 enum qed_nvm_images image_id, 465 u8 *p_buffer, u32 buffer_len); 466 467 /** 468 * @brief Bist register test 469 * 470 * @param p_hwfn - hw function 471 * @param p_ptt - PTT required for register access 472 * 473 * @return int - 0 - operation was successful. 474 */ 475 int qed_mcp_bist_register_test(struct qed_hwfn *p_hwfn, 476 struct qed_ptt *p_ptt); 477 478 /** 479 * @brief Bist clock test 480 * 481 * @param p_hwfn - hw function 482 * @param p_ptt - PTT required for register access 483 * 484 * @return int - 0 - operation was successful. 485 */ 486 int qed_mcp_bist_clock_test(struct qed_hwfn *p_hwfn, 487 struct qed_ptt *p_ptt); 488 489 /** 490 * @brief Bist nvm test - get number of images 491 * 492 * @param p_hwfn - hw function 493 * @param p_ptt - PTT required for register access 494 * @param num_images - number of images if operation was 495 * successful. 0 if not. 496 * 497 * @return int - 0 - operation was successful. 498 */ 499 int qed_mcp_bist_nvm_get_num_images(struct qed_hwfn *p_hwfn, 500 struct qed_ptt *p_ptt, 501 u32 *num_images); 502 503 /** 504 * @brief Bist nvm test - get image attributes by index 505 * 506 * @param p_hwfn - hw function 507 * @param p_ptt - PTT required for register access 508 * @param p_image_att - Attributes of image 509 * @param image_index - Index of image to get information for 510 * 511 * @return int - 0 - operation was successful. 512 */ 513 int qed_mcp_bist_nvm_get_image_att(struct qed_hwfn *p_hwfn, 514 struct qed_ptt *p_ptt, 515 struct bist_nvm_image_att *p_image_att, 516 u32 image_index); 517 518 /* Using hwfn number (and not pf_num) is required since in CMT mode, 519 * same pf_num may be used by two different hwfn 520 * TODO - this shouldn't really be in .h file, but until all fields 521 * required during hw-init will be placed in their correct place in shmem 522 * we need it in qed_dev.c [for readin the nvram reflection in shmem]. 523 */ 524 #define MCP_PF_ID_BY_REL(p_hwfn, rel_pfid) (QED_IS_BB((p_hwfn)->cdev) ? \ 525 ((rel_pfid) | \ 526 ((p_hwfn)->abs_pf_id & 1) << 3) : \ 527 rel_pfid) 528 #define MCP_PF_ID(p_hwfn) MCP_PF_ID_BY_REL(p_hwfn, (p_hwfn)->rel_pf_id) 529 530 #define MFW_PORT(_p_hwfn) ((_p_hwfn)->abs_pf_id % \ 531 ((_p_hwfn)->cdev->num_ports_in_engine * \ 532 qed_device_num_engines((_p_hwfn)->cdev))) 533 534 struct qed_mcp_info { 535 /* List for mailbox commands which were sent and wait for a response */ 536 struct list_head cmd_list; 537 538 /* Spinlock used for protecting the access to the mailbox commands list 539 * and the sending of the commands. 540 */ 541 spinlock_t cmd_lock; 542 543 /* Spinlock used for syncing SW link-changes and link-changes 544 * originating from attention context. 545 */ 546 spinlock_t link_lock; 547 bool block_mb_sending; 548 u32 public_base; 549 u32 drv_mb_addr; 550 u32 mfw_mb_addr; 551 u32 port_addr; 552 u16 drv_mb_seq; 553 u16 drv_pulse_seq; 554 struct qed_mcp_link_params link_input; 555 struct qed_mcp_link_state link_output; 556 struct qed_mcp_link_capabilities link_capabilities; 557 struct qed_mcp_function_info func_info; 558 u8 *mfw_mb_cur; 559 u8 *mfw_mb_shadow; 560 u16 mfw_mb_length; 561 u32 mcp_hist; 562 563 /* Capabilties negotiated with the MFW */ 564 u32 capabilities; 565 }; 566 567 struct qed_mcp_mb_params { 568 u32 cmd; 569 u32 param; 570 void *p_data_src; 571 u8 data_src_size; 572 void *p_data_dst; 573 u8 data_dst_size; 574 u32 mcp_resp; 575 u32 mcp_param; 576 }; 577 578 /** 579 * @brief Initialize the interface with the MCP 580 * 581 * @param p_hwfn - HW func 582 * @param p_ptt - PTT required for register access 583 * 584 * @return int 585 */ 586 int qed_mcp_cmd_init(struct qed_hwfn *p_hwfn, 587 struct qed_ptt *p_ptt); 588 589 /** 590 * @brief Initialize the port interface with the MCP 591 * 592 * @param p_hwfn 593 * @param p_ptt 594 * Can only be called after `num_ports_in_engines' is set 595 */ 596 void qed_mcp_cmd_port_init(struct qed_hwfn *p_hwfn, 597 struct qed_ptt *p_ptt); 598 /** 599 * @brief Releases resources allocated during the init process. 600 * 601 * @param p_hwfn - HW func 602 * @param p_ptt - PTT required for register access 603 * 604 * @return int 605 */ 606 607 int qed_mcp_free(struct qed_hwfn *p_hwfn); 608 609 /** 610 * @brief This function is called from the DPC context. After 611 * pointing PTT to the mfw mb, check for events sent by the MCP 612 * to the driver and ack them. In case a critical event 613 * detected, it will be handled here, otherwise the work will be 614 * queued to a sleepable work-queue. 615 * 616 * @param p_hwfn - HW function 617 * @param p_ptt - PTT required for register access 618 * @return int - 0 - operation 619 * was successul. 620 */ 621 int qed_mcp_handle_events(struct qed_hwfn *p_hwfn, 622 struct qed_ptt *p_ptt); 623 624 enum qed_drv_role { 625 QED_DRV_ROLE_OS, 626 QED_DRV_ROLE_KDUMP, 627 }; 628 629 struct qed_load_req_params { 630 /* Input params */ 631 enum qed_drv_role drv_role; 632 u8 timeout_val; 633 bool avoid_eng_reset; 634 enum qed_override_force_load override_force_load; 635 636 /* Output params */ 637 u32 load_code; 638 }; 639 640 /** 641 * @brief Sends a LOAD_REQ to the MFW, and in case the operation succeeds, 642 * returns whether this PF is the first on the engine/port or function. 643 * 644 * @param p_hwfn 645 * @param p_ptt 646 * @param p_params 647 * 648 * @return int - 0 - Operation was successful. 649 */ 650 int qed_mcp_load_req(struct qed_hwfn *p_hwfn, 651 struct qed_ptt *p_ptt, 652 struct qed_load_req_params *p_params); 653 654 /** 655 * @brief Sends a UNLOAD_REQ message to the MFW 656 * 657 * @param p_hwfn 658 * @param p_ptt 659 * 660 * @return int - 0 - Operation was successful. 661 */ 662 int qed_mcp_unload_req(struct qed_hwfn *p_hwfn, struct qed_ptt *p_ptt); 663 664 /** 665 * @brief Sends a UNLOAD_DONE message to the MFW 666 * 667 * @param p_hwfn 668 * @param p_ptt 669 * 670 * @return int - 0 - Operation was successful. 671 */ 672 int qed_mcp_unload_done(struct qed_hwfn *p_hwfn, struct qed_ptt *p_ptt); 673 674 /** 675 * @brief Read the MFW mailbox into Current buffer. 676 * 677 * @param p_hwfn 678 * @param p_ptt 679 */ 680 void qed_mcp_read_mb(struct qed_hwfn *p_hwfn, 681 struct qed_ptt *p_ptt); 682 683 /** 684 * @brief Ack to mfw that driver finished FLR process for VFs 685 * 686 * @param p_hwfn 687 * @param p_ptt 688 * @param vfs_to_ack - bit mask of all engine VFs for which the PF acks. 689 * 690 * @param return int - 0 upon success. 691 */ 692 int qed_mcp_ack_vf_flr(struct qed_hwfn *p_hwfn, 693 struct qed_ptt *p_ptt, u32 *vfs_to_ack); 694 695 /** 696 * @brief - calls during init to read shmem of all function-related info. 697 * 698 * @param p_hwfn 699 * 700 * @param return 0 upon success. 701 */ 702 int qed_mcp_fill_shmem_func_info(struct qed_hwfn *p_hwfn, 703 struct qed_ptt *p_ptt); 704 705 /** 706 * @brief - Reset the MCP using mailbox command. 707 * 708 * @param p_hwfn 709 * @param p_ptt 710 * 711 * @param return 0 upon success. 712 */ 713 int qed_mcp_reset(struct qed_hwfn *p_hwfn, 714 struct qed_ptt *p_ptt); 715 716 /** 717 * @brief - Sends an NVM read command request to the MFW to get 718 * a buffer. 719 * 720 * @param p_hwfn 721 * @param p_ptt 722 * @param cmd - Command: DRV_MSG_CODE_NVM_GET_FILE_DATA or 723 * DRV_MSG_CODE_NVM_READ_NVRAM commands 724 * @param param - [0:23] - Offset [24:31] - Size 725 * @param o_mcp_resp - MCP response 726 * @param o_mcp_param - MCP response param 727 * @param o_txn_size - Buffer size output 728 * @param o_buf - Pointer to the buffer returned by the MFW. 729 * 730 * @param return 0 upon success. 731 */ 732 int qed_mcp_nvm_rd_cmd(struct qed_hwfn *p_hwfn, 733 struct qed_ptt *p_ptt, 734 u32 cmd, 735 u32 param, 736 u32 *o_mcp_resp, 737 u32 *o_mcp_param, u32 *o_txn_size, u32 *o_buf); 738 739 /** 740 * @brief indicates whether the MFW objects [under mcp_info] are accessible 741 * 742 * @param p_hwfn 743 * 744 * @return true iff MFW is running and mcp_info is initialized 745 */ 746 bool qed_mcp_is_init(struct qed_hwfn *p_hwfn); 747 748 /** 749 * @brief request MFW to configure MSI-X for a VF 750 * 751 * @param p_hwfn 752 * @param p_ptt 753 * @param vf_id - absolute inside engine 754 * @param num_sbs - number of entries to request 755 * 756 * @return int 757 */ 758 int qed_mcp_config_vf_msix(struct qed_hwfn *p_hwfn, 759 struct qed_ptt *p_ptt, u8 vf_id, u8 num); 760 761 /** 762 * @brief - Halt the MCP. 763 * 764 * @param p_hwfn 765 * @param p_ptt 766 * 767 * @param return 0 upon success. 768 */ 769 int qed_mcp_halt(struct qed_hwfn *p_hwfn, struct qed_ptt *p_ptt); 770 771 /** 772 * @brief - Wake up the MCP. 773 * 774 * @param p_hwfn 775 * @param p_ptt 776 * 777 * @param return 0 upon success. 778 */ 779 int qed_mcp_resume(struct qed_hwfn *p_hwfn, struct qed_ptt *p_ptt); 780 781 int qed_configure_pf_min_bandwidth(struct qed_dev *cdev, u8 min_bw); 782 int qed_configure_pf_max_bandwidth(struct qed_dev *cdev, u8 max_bw); 783 int __qed_configure_pf_max_bandwidth(struct qed_hwfn *p_hwfn, 784 struct qed_ptt *p_ptt, 785 struct qed_mcp_link_state *p_link, 786 u8 max_bw); 787 int __qed_configure_pf_min_bandwidth(struct qed_hwfn *p_hwfn, 788 struct qed_ptt *p_ptt, 789 struct qed_mcp_link_state *p_link, 790 u8 min_bw); 791 792 int qed_mcp_mask_parities(struct qed_hwfn *p_hwfn, 793 struct qed_ptt *p_ptt, u32 mask_parities); 794 795 /** 796 * @brief - Sets the MFW's max value for the given resource 797 * 798 * @param p_hwfn 799 * @param p_ptt 800 * @param res_id 801 * @param resc_max_val 802 * @param p_mcp_resp 803 * 804 * @return int - 0 - operation was successful. 805 */ 806 int 807 qed_mcp_set_resc_max_val(struct qed_hwfn *p_hwfn, 808 struct qed_ptt *p_ptt, 809 enum qed_resources res_id, 810 u32 resc_max_val, u32 *p_mcp_resp); 811 812 /** 813 * @brief - Gets the MFW allocation info for the given resource 814 * 815 * @param p_hwfn 816 * @param p_ptt 817 * @param res_id 818 * @param p_mcp_resp 819 * @param p_resc_num 820 * @param p_resc_start 821 * 822 * @return int - 0 - operation was successful. 823 */ 824 int 825 qed_mcp_get_resc_info(struct qed_hwfn *p_hwfn, 826 struct qed_ptt *p_ptt, 827 enum qed_resources res_id, 828 u32 *p_mcp_resp, u32 *p_resc_num, u32 *p_resc_start); 829 830 /** 831 * @brief Send eswitch mode to MFW 832 * 833 * @param p_hwfn 834 * @param p_ptt 835 * @param eswitch - eswitch mode 836 * 837 * @return int - 0 - operation was successful. 838 */ 839 int qed_mcp_ov_update_eswitch(struct qed_hwfn *p_hwfn, 840 struct qed_ptt *p_ptt, 841 enum qed_ov_eswitch eswitch); 842 843 #define QED_MCP_RESC_LOCK_MIN_VAL RESOURCE_DUMP 844 #define QED_MCP_RESC_LOCK_MAX_VAL 31 845 846 enum qed_resc_lock { 847 QED_RESC_LOCK_DBG_DUMP = QED_MCP_RESC_LOCK_MIN_VAL, 848 QED_RESC_LOCK_PTP_PORT0, 849 QED_RESC_LOCK_PTP_PORT1, 850 QED_RESC_LOCK_PTP_PORT2, 851 QED_RESC_LOCK_PTP_PORT3, 852 QED_RESC_LOCK_RESC_ALLOC = QED_MCP_RESC_LOCK_MAX_VAL, 853 QED_RESC_LOCK_RESC_INVALID 854 }; 855 856 /** 857 * @brief - Initiates PF FLR 858 * 859 * @param p_hwfn 860 * @param p_ptt 861 * 862 * @return int - 0 - operation was successful. 863 */ 864 int qed_mcp_initiate_pf_flr(struct qed_hwfn *p_hwfn, struct qed_ptt *p_ptt); 865 struct qed_resc_lock_params { 866 /* Resource number [valid values are 0..31] */ 867 u8 resource; 868 869 /* Lock timeout value in seconds [default, none or 1..254] */ 870 u8 timeout; 871 #define QED_MCP_RESC_LOCK_TO_DEFAULT 0 872 #define QED_MCP_RESC_LOCK_TO_NONE 255 873 874 /* Number of times to retry locking */ 875 u8 retry_num; 876 #define QED_MCP_RESC_LOCK_RETRY_CNT_DFLT 10 877 878 /* The interval in usec between retries */ 879 u16 retry_interval; 880 #define QED_MCP_RESC_LOCK_RETRY_VAL_DFLT 10000 881 882 /* Use sleep or delay between retries */ 883 bool sleep_b4_retry; 884 885 /* Will be set as true if the resource is free and granted */ 886 bool b_granted; 887 888 /* Will be filled with the resource owner. 889 * [0..15 = PF0-15, 16 = MFW] 890 */ 891 u8 owner; 892 }; 893 894 /** 895 * @brief Acquires MFW generic resource lock 896 * 897 * @param p_hwfn 898 * @param p_ptt 899 * @param p_params 900 * 901 * @return int - 0 - operation was successful. 902 */ 903 int 904 qed_mcp_resc_lock(struct qed_hwfn *p_hwfn, 905 struct qed_ptt *p_ptt, struct qed_resc_lock_params *p_params); 906 907 struct qed_resc_unlock_params { 908 /* Resource number [valid values are 0..31] */ 909 u8 resource; 910 911 /* Allow to release a resource even if belongs to another PF */ 912 bool b_force; 913 914 /* Will be set as true if the resource is released */ 915 bool b_released; 916 }; 917 918 /** 919 * @brief Releases MFW generic resource lock 920 * 921 * @param p_hwfn 922 * @param p_ptt 923 * @param p_params 924 * 925 * @return int - 0 - operation was successful. 926 */ 927 int 928 qed_mcp_resc_unlock(struct qed_hwfn *p_hwfn, 929 struct qed_ptt *p_ptt, 930 struct qed_resc_unlock_params *p_params); 931 932 /** 933 * @brief - default initialization for lock/unlock resource structs 934 * 935 * @param p_lock - lock params struct to be initialized; Can be NULL 936 * @param p_unlock - unlock params struct to be initialized; Can be NULL 937 * @param resource - the requested resource 938 * @paral b_is_permanent - disable retries & aging when set 939 */ 940 void qed_mcp_resc_lock_default_init(struct qed_resc_lock_params *p_lock, 941 struct qed_resc_unlock_params *p_unlock, 942 enum qed_resc_lock 943 resource, bool b_is_permanent); 944 /** 945 * @brief Learn of supported MFW features; To be done during early init 946 * 947 * @param p_hwfn 948 * @param p_ptt 949 */ 950 int qed_mcp_get_capabilities(struct qed_hwfn *p_hwfn, struct qed_ptt *p_ptt); 951 952 /** 953 * @brief Inform MFW of set of features supported by driver. Should be done 954 * inside the content of the LOAD_REQ. 955 * 956 * @param p_hwfn 957 * @param p_ptt 958 */ 959 int qed_mcp_set_capabilities(struct qed_hwfn *p_hwfn, struct qed_ptt *p_ptt); 960 961 /** 962 * @brief Populate the nvm info shadow in the given hardware function 963 * 964 * @param p_hwfn 965 */ 966 int qed_mcp_nvm_info_populate(struct qed_hwfn *p_hwfn); 967 968 #endif 969