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 #ifndef _QED_MCP_H
8 #define _QED_MCP_H
9
10 #include <linux/types.h>
11 #include <linux/delay.h>
12 #include <linux/slab.h>
13 #include <linux/spinlock.h>
14 #include <linux/qed/qed_fcoe_if.h>
15 #include "qed_hsi.h"
16 #include "qed_dev_api.h"
17
18 struct qed_mcp_link_speed_params {
19 bool autoneg;
20
21 u32 advertised_speeds;
22 #define QED_EXT_SPEED_MASK_RES 0x1
23 #define QED_EXT_SPEED_MASK_1G 0x2
24 #define QED_EXT_SPEED_MASK_10G 0x4
25 #define QED_EXT_SPEED_MASK_20G 0x8
26 #define QED_EXT_SPEED_MASK_25G 0x10
27 #define QED_EXT_SPEED_MASK_40G 0x20
28 #define QED_EXT_SPEED_MASK_50G_R 0x40
29 #define QED_EXT_SPEED_MASK_50G_R2 0x80
30 #define QED_EXT_SPEED_MASK_100G_R2 0x100
31 #define QED_EXT_SPEED_MASK_100G_R4 0x200
32 #define QED_EXT_SPEED_MASK_100G_P4 0x400
33
34 u32 forced_speed; /* In Mb/s */
35 #define QED_EXT_SPEED_1G 0x1
36 #define QED_EXT_SPEED_10G 0x2
37 #define QED_EXT_SPEED_20G 0x4
38 #define QED_EXT_SPEED_25G 0x8
39 #define QED_EXT_SPEED_40G 0x10
40 #define QED_EXT_SPEED_50G_R 0x20
41 #define QED_EXT_SPEED_50G_R2 0x40
42 #define QED_EXT_SPEED_100G_R2 0x80
43 #define QED_EXT_SPEED_100G_R4 0x100
44 #define QED_EXT_SPEED_100G_P4 0x200
45 };
46
47 struct qed_mcp_link_pause_params {
48 bool autoneg;
49 bool forced_rx;
50 bool forced_tx;
51 };
52
53 enum qed_mcp_eee_mode {
54 QED_MCP_EEE_DISABLED,
55 QED_MCP_EEE_ENABLED,
56 QED_MCP_EEE_UNSUPPORTED
57 };
58
59 struct qed_mcp_link_params {
60 struct qed_mcp_link_speed_params speed;
61 struct qed_mcp_link_pause_params pause;
62 u32 loopback_mode;
63 struct qed_link_eee_params eee;
64 u32 fec;
65
66 struct qed_mcp_link_speed_params ext_speed;
67 u32 ext_fec_mode;
68 };
69
70 struct qed_mcp_link_capabilities {
71 u32 speed_capabilities;
72 bool default_speed_autoneg;
73 u32 fec_default;
74 enum qed_mcp_eee_mode default_eee;
75 u32 eee_lpi_timer;
76 u8 eee_speed_caps;
77
78 u32 default_ext_speed_caps;
79 u32 default_ext_autoneg;
80 u32 default_ext_speed;
81 u32 default_ext_fec;
82 };
83
84 struct qed_mcp_link_state {
85 bool link_up;
86 u32 min_pf_rate;
87
88 /* Actual link speed in Mb/s */
89 u32 line_speed;
90
91 /* PF max speed in Mb/s, deduced from line_speed
92 * according to PF max bandwidth configuration.
93 */
94 u32 speed;
95
96 bool full_duplex;
97 bool an;
98 bool an_complete;
99 bool parallel_detection;
100 bool pfc_enabled;
101
102 u32 partner_adv_speed;
103 #define QED_LINK_PARTNER_SPEED_1G_HD BIT(0)
104 #define QED_LINK_PARTNER_SPEED_1G_FD BIT(1)
105 #define QED_LINK_PARTNER_SPEED_10G BIT(2)
106 #define QED_LINK_PARTNER_SPEED_20G BIT(3)
107 #define QED_LINK_PARTNER_SPEED_25G BIT(4)
108 #define QED_LINK_PARTNER_SPEED_40G BIT(5)
109 #define QED_LINK_PARTNER_SPEED_50G BIT(6)
110 #define QED_LINK_PARTNER_SPEED_100G BIT(7)
111
112 bool partner_tx_flow_ctrl_en;
113 bool partner_rx_flow_ctrl_en;
114
115 u8 partner_adv_pause;
116 #define QED_LINK_PARTNER_SYMMETRIC_PAUSE 0x1
117 #define QED_LINK_PARTNER_ASYMMETRIC_PAUSE 0x2
118 #define QED_LINK_PARTNER_BOTH_PAUSE 0x3
119
120 bool sfp_tx_fault;
121 bool eee_active;
122 u8 eee_adv_caps;
123 u8 eee_lp_adv_caps;
124
125 u32 fec_active;
126 };
127
128 struct qed_mcp_function_info {
129 u8 pause_on_host;
130
131 enum qed_pci_personality protocol;
132
133 u8 bandwidth_min;
134 u8 bandwidth_max;
135
136 u8 mac[ETH_ALEN];
137
138 u64 wwn_port;
139 u64 wwn_node;
140
141 #define QED_MCP_VLAN_UNSET (0xffff)
142 u16 ovlan;
143
144 u16 mtu;
145 };
146
147 struct qed_mcp_nvm_common {
148 u32 offset;
149 u32 param;
150 u32 resp;
151 u32 cmd;
152 };
153
154 struct qed_mcp_drv_version {
155 u32 version;
156 u8 name[MCP_DRV_VER_STR_SIZE - 4];
157 };
158
159 struct qed_mcp_lan_stats {
160 u64 ucast_rx_pkts;
161 u64 ucast_tx_pkts;
162 u32 fcs_err;
163 };
164
165 struct qed_mcp_fcoe_stats {
166 u64 rx_pkts;
167 u64 tx_pkts;
168 u32 fcs_err;
169 u32 login_failure;
170 };
171
172 struct qed_mcp_iscsi_stats {
173 u64 rx_pdus;
174 u64 tx_pdus;
175 u64 rx_bytes;
176 u64 tx_bytes;
177 };
178
179 struct qed_mcp_rdma_stats {
180 u64 rx_pkts;
181 u64 tx_pkts;
182 u64 rx_bytes;
183 u64 tx_byts;
184 };
185
186 enum qed_mcp_protocol_type {
187 QED_MCP_LAN_STATS,
188 QED_MCP_FCOE_STATS,
189 QED_MCP_ISCSI_STATS,
190 QED_MCP_RDMA_STATS
191 };
192
193 union qed_mcp_protocol_stats {
194 struct qed_mcp_lan_stats lan_stats;
195 struct qed_mcp_fcoe_stats fcoe_stats;
196 struct qed_mcp_iscsi_stats iscsi_stats;
197 struct qed_mcp_rdma_stats rdma_stats;
198 };
199
200 enum qed_ov_eswitch {
201 QED_OV_ESWITCH_NONE,
202 QED_OV_ESWITCH_VEB,
203 QED_OV_ESWITCH_VEPA
204 };
205
206 enum qed_ov_client {
207 QED_OV_CLIENT_DRV,
208 QED_OV_CLIENT_USER,
209 QED_OV_CLIENT_VENDOR_SPEC
210 };
211
212 enum qed_ov_driver_state {
213 QED_OV_DRIVER_STATE_NOT_LOADED,
214 QED_OV_DRIVER_STATE_DISABLED,
215 QED_OV_DRIVER_STATE_ACTIVE
216 };
217
218 enum qed_ov_wol {
219 QED_OV_WOL_DEFAULT,
220 QED_OV_WOL_DISABLED,
221 QED_OV_WOL_ENABLED
222 };
223
224 enum qed_mfw_tlv_type {
225 QED_MFW_TLV_GENERIC = 0x1, /* Core driver TLVs */
226 QED_MFW_TLV_ETH = 0x2, /* L2 driver TLVs */
227 QED_MFW_TLV_FCOE = 0x4, /* FCoE protocol TLVs */
228 QED_MFW_TLV_ISCSI = 0x8, /* SCSI protocol TLVs */
229 QED_MFW_TLV_MAX = 0x16,
230 };
231
232 struct qed_mfw_tlv_generic {
233 #define QED_MFW_TLV_FLAGS_SIZE 2
234 struct {
235 u8 ipv4_csum_offload;
236 u8 lso_supported;
237 bool b_set;
238 } flags;
239
240 #define QED_MFW_TLV_MAC_COUNT 3
241 /* First entry for primary MAC, 2 secondary MACs possible */
242 u8 mac[QED_MFW_TLV_MAC_COUNT][6];
243 bool mac_set[QED_MFW_TLV_MAC_COUNT];
244
245 u64 rx_frames;
246 bool rx_frames_set;
247 u64 rx_bytes;
248 bool rx_bytes_set;
249 u64 tx_frames;
250 bool tx_frames_set;
251 u64 tx_bytes;
252 bool tx_bytes_set;
253 };
254
255 union qed_mfw_tlv_data {
256 struct qed_mfw_tlv_generic generic;
257 struct qed_mfw_tlv_eth eth;
258 struct qed_mfw_tlv_fcoe fcoe;
259 struct qed_mfw_tlv_iscsi iscsi;
260 };
261
262 #define QED_NVM_CFG_OPTION_ALL BIT(0)
263 #define QED_NVM_CFG_OPTION_INIT BIT(1)
264 #define QED_NVM_CFG_OPTION_COMMIT BIT(2)
265 #define QED_NVM_CFG_OPTION_FREE BIT(3)
266 #define QED_NVM_CFG_OPTION_ENTITY_SEL BIT(4)
267
268 /**
269 * @brief - returns the link params of the hw function
270 *
271 * @param p_hwfn
272 *
273 * @returns pointer to link params
274 */
275 struct qed_mcp_link_params *qed_mcp_get_link_params(struct qed_hwfn *);
276
277 /**
278 * @brief - return the link state of the hw function
279 *
280 * @param p_hwfn
281 *
282 * @returns pointer to link state
283 */
284 struct qed_mcp_link_state *qed_mcp_get_link_state(struct qed_hwfn *);
285
286 /**
287 * @brief - return the link capabilities of the hw function
288 *
289 * @param p_hwfn
290 *
291 * @returns pointer to link capabilities
292 */
293 struct qed_mcp_link_capabilities
294 *qed_mcp_get_link_capabilities(struct qed_hwfn *p_hwfn);
295
296 /**
297 * @brief Request the MFW to set the the link according to 'link_input'.
298 *
299 * @param p_hwfn
300 * @param p_ptt
301 * @param b_up - raise link if `true'. Reset link if `false'.
302 *
303 * @return int
304 */
305 int qed_mcp_set_link(struct qed_hwfn *p_hwfn,
306 struct qed_ptt *p_ptt,
307 bool b_up);
308
309 /**
310 * @brief Get the management firmware version value
311 *
312 * @param p_hwfn
313 * @param p_ptt
314 * @param p_mfw_ver - mfw version value
315 * @param p_running_bundle_id - image id in nvram; Optional.
316 *
317 * @return int - 0 - operation was successful.
318 */
319 int qed_mcp_get_mfw_ver(struct qed_hwfn *p_hwfn,
320 struct qed_ptt *p_ptt,
321 u32 *p_mfw_ver, u32 *p_running_bundle_id);
322
323 /**
324 * @brief Get the MBI version value
325 *
326 * @param p_hwfn
327 * @param p_ptt
328 * @param p_mbi_ver - A pointer to a variable to be filled with the MBI version.
329 *
330 * @return int - 0 - operation was successful.
331 */
332 int qed_mcp_get_mbi_ver(struct qed_hwfn *p_hwfn,
333 struct qed_ptt *p_ptt, u32 *p_mbi_ver);
334
335 /**
336 * @brief Get media type value of the port.
337 *
338 * @param cdev - qed dev pointer
339 * @param p_ptt
340 * @param mfw_ver - media type value
341 *
342 * @return int -
343 * 0 - Operation was successul.
344 * -EBUSY - Operation failed
345 */
346 int qed_mcp_get_media_type(struct qed_hwfn *p_hwfn,
347 struct qed_ptt *p_ptt, u32 *media_type);
348
349 /**
350 * @brief Get transceiver data of the port.
351 *
352 * @param cdev - qed dev pointer
353 * @param p_ptt
354 * @param p_transceiver_state - transceiver state.
355 * @param p_transceiver_type - media type value
356 *
357 * @return int -
358 * 0 - Operation was successful.
359 * -EBUSY - Operation failed
360 */
361 int qed_mcp_get_transceiver_data(struct qed_hwfn *p_hwfn,
362 struct qed_ptt *p_ptt,
363 u32 *p_transceiver_state,
364 u32 *p_tranceiver_type);
365
366 /**
367 * @brief Get transceiver supported speed mask.
368 *
369 * @param cdev - qed dev pointer
370 * @param p_ptt
371 * @param p_speed_mask - Bit mask of all supported speeds.
372 *
373 * @return int -
374 * 0 - Operation was successful.
375 * -EBUSY - Operation failed
376 */
377
378 int qed_mcp_trans_speed_mask(struct qed_hwfn *p_hwfn,
379 struct qed_ptt *p_ptt, u32 *p_speed_mask);
380
381 /**
382 * @brief Get board configuration.
383 *
384 * @param cdev - qed dev pointer
385 * @param p_ptt
386 * @param p_board_config - Board config.
387 *
388 * @return int -
389 * 0 - Operation was successful.
390 * -EBUSY - Operation failed
391 */
392 int qed_mcp_get_board_config(struct qed_hwfn *p_hwfn,
393 struct qed_ptt *p_ptt, u32 *p_board_config);
394
395 /**
396 * @brief General function for sending commands to the MCP
397 * mailbox. It acquire mutex lock for the entire
398 * operation, from sending the request until the MCP
399 * response. Waiting for MCP response will be checked up
400 * to 5 seconds every 5ms.
401 *
402 * @param p_hwfn - hw function
403 * @param p_ptt - PTT required for register access
404 * @param cmd - command to be sent to the MCP.
405 * @param param - Optional param
406 * @param o_mcp_resp - The MCP response code (exclude sequence).
407 * @param o_mcp_param- Optional parameter provided by the MCP
408 * response
409 * @return int - 0 - operation
410 * was successul.
411 */
412 int qed_mcp_cmd(struct qed_hwfn *p_hwfn,
413 struct qed_ptt *p_ptt,
414 u32 cmd,
415 u32 param,
416 u32 *o_mcp_resp,
417 u32 *o_mcp_param);
418
419 /**
420 * @brief - drains the nig, allowing completion to pass in case of pauses.
421 * (Should be called only from sleepable context)
422 *
423 * @param p_hwfn
424 * @param p_ptt
425 */
426 int qed_mcp_drain(struct qed_hwfn *p_hwfn,
427 struct qed_ptt *p_ptt);
428
429 /**
430 * @brief Get the flash size value
431 *
432 * @param p_hwfn
433 * @param p_ptt
434 * @param p_flash_size - flash size in bytes to be filled.
435 *
436 * @return int - 0 - operation was successul.
437 */
438 int qed_mcp_get_flash_size(struct qed_hwfn *p_hwfn,
439 struct qed_ptt *p_ptt,
440 u32 *p_flash_size);
441
442 /**
443 * @brief Send driver version to MFW
444 *
445 * @param p_hwfn
446 * @param p_ptt
447 * @param version - Version value
448 * @param name - Protocol driver name
449 *
450 * @return int - 0 - operation was successul.
451 */
452 int
453 qed_mcp_send_drv_version(struct qed_hwfn *p_hwfn,
454 struct qed_ptt *p_ptt,
455 struct qed_mcp_drv_version *p_ver);
456
457 /**
458 * @brief Read the MFW process kill counter
459 *
460 * @param p_hwfn
461 * @param p_ptt
462 *
463 * @return u32
464 */
465 u32 qed_get_process_kill_counter(struct qed_hwfn *p_hwfn,
466 struct qed_ptt *p_ptt);
467
468 /**
469 * @brief Trigger a recovery process
470 *
471 * @param p_hwfn
472 * @param p_ptt
473 *
474 * @return int
475 */
476 int qed_start_recovery_process(struct qed_hwfn *p_hwfn, struct qed_ptt *p_ptt);
477
478 /**
479 * @brief A recovery handler must call this function as its first step.
480 * It is assumed that the handler is not run from an interrupt context.
481 *
482 * @param cdev
483 * @param p_ptt
484 *
485 * @return int
486 */
487 int qed_recovery_prolog(struct qed_dev *cdev);
488
489 /**
490 * @brief Notify MFW about the change in base device properties
491 *
492 * @param p_hwfn
493 * @param p_ptt
494 * @param client - qed client type
495 *
496 * @return int - 0 - operation was successful.
497 */
498 int qed_mcp_ov_update_current_config(struct qed_hwfn *p_hwfn,
499 struct qed_ptt *p_ptt,
500 enum qed_ov_client client);
501
502 /**
503 * @brief Notify MFW about the driver state
504 *
505 * @param p_hwfn
506 * @param p_ptt
507 * @param drv_state - Driver state
508 *
509 * @return int - 0 - operation was successful.
510 */
511 int qed_mcp_ov_update_driver_state(struct qed_hwfn *p_hwfn,
512 struct qed_ptt *p_ptt,
513 enum qed_ov_driver_state drv_state);
514
515 /**
516 * @brief Send MTU size to MFW
517 *
518 * @param p_hwfn
519 * @param p_ptt
520 * @param mtu - MTU size
521 *
522 * @return int - 0 - operation was successful.
523 */
524 int qed_mcp_ov_update_mtu(struct qed_hwfn *p_hwfn,
525 struct qed_ptt *p_ptt, u16 mtu);
526
527 /**
528 * @brief Send MAC address to MFW
529 *
530 * @param p_hwfn
531 * @param p_ptt
532 * @param mac - MAC address
533 *
534 * @return int - 0 - operation was successful.
535 */
536 int qed_mcp_ov_update_mac(struct qed_hwfn *p_hwfn,
537 struct qed_ptt *p_ptt, u8 *mac);
538
539 /**
540 * @brief Send WOL mode to MFW
541 *
542 * @param p_hwfn
543 * @param p_ptt
544 * @param wol - WOL mode
545 *
546 * @return int - 0 - operation was successful.
547 */
548 int qed_mcp_ov_update_wol(struct qed_hwfn *p_hwfn,
549 struct qed_ptt *p_ptt,
550 enum qed_ov_wol wol);
551
552 /**
553 * @brief Set LED status
554 *
555 * @param p_hwfn
556 * @param p_ptt
557 * @param mode - LED mode
558 *
559 * @return int - 0 - operation was successful.
560 */
561 int qed_mcp_set_led(struct qed_hwfn *p_hwfn,
562 struct qed_ptt *p_ptt,
563 enum qed_led_mode mode);
564
565 /**
566 * @brief Read from nvm
567 *
568 * @param cdev
569 * @param addr - nvm offset
570 * @param p_buf - nvm read buffer
571 * @param len - buffer len
572 *
573 * @return int - 0 - operation was successful.
574 */
575 int qed_mcp_nvm_read(struct qed_dev *cdev, u32 addr, u8 *p_buf, u32 len);
576
577 /**
578 * @brief Write to nvm
579 *
580 * @param cdev
581 * @param addr - nvm offset
582 * @param cmd - nvm command
583 * @param p_buf - nvm write buffer
584 * @param len - buffer len
585 *
586 * @return int - 0 - operation was successful.
587 */
588 int qed_mcp_nvm_write(struct qed_dev *cdev,
589 u32 cmd, u32 addr, u8 *p_buf, u32 len);
590
591 /**
592 * @brief Check latest response
593 *
594 * @param cdev
595 * @param p_buf - nvm write buffer
596 *
597 * @return int - 0 - operation was successful.
598 */
599 int qed_mcp_nvm_resp(struct qed_dev *cdev, u8 *p_buf);
600
601 struct qed_nvm_image_att {
602 u32 start_addr;
603 u32 length;
604 };
605
606 /**
607 * @brief Allows reading a whole nvram image
608 *
609 * @param p_hwfn
610 * @param image_id - image to get attributes for
611 * @param p_image_att - image attributes structure into which to fill data
612 *
613 * @return int - 0 - operation was successful.
614 */
615 int
616 qed_mcp_get_nvm_image_att(struct qed_hwfn *p_hwfn,
617 enum qed_nvm_images image_id,
618 struct qed_nvm_image_att *p_image_att);
619
620 /**
621 * @brief Allows reading a whole nvram image
622 *
623 * @param p_hwfn
624 * @param image_id - image requested for reading
625 * @param p_buffer - allocated buffer into which to fill data
626 * @param buffer_len - length of the allocated buffer.
627 *
628 * @return 0 iff p_buffer now contains the nvram image.
629 */
630 int qed_mcp_get_nvm_image(struct qed_hwfn *p_hwfn,
631 enum qed_nvm_images image_id,
632 u8 *p_buffer, u32 buffer_len);
633
634 /**
635 * @brief Bist register test
636 *
637 * @param p_hwfn - hw function
638 * @param p_ptt - PTT required for register access
639 *
640 * @return int - 0 - operation was successful.
641 */
642 int qed_mcp_bist_register_test(struct qed_hwfn *p_hwfn,
643 struct qed_ptt *p_ptt);
644
645 /**
646 * @brief Bist clock test
647 *
648 * @param p_hwfn - hw function
649 * @param p_ptt - PTT required for register access
650 *
651 * @return int - 0 - operation was successful.
652 */
653 int qed_mcp_bist_clock_test(struct qed_hwfn *p_hwfn,
654 struct qed_ptt *p_ptt);
655
656 /**
657 * @brief Bist nvm test - get number of images
658 *
659 * @param p_hwfn - hw function
660 * @param p_ptt - PTT required for register access
661 * @param num_images - number of images if operation was
662 * successful. 0 if not.
663 *
664 * @return int - 0 - operation was successful.
665 */
666 int qed_mcp_bist_nvm_get_num_images(struct qed_hwfn *p_hwfn,
667 struct qed_ptt *p_ptt,
668 u32 *num_images);
669
670 /**
671 * @brief Bist nvm test - get image attributes by index
672 *
673 * @param p_hwfn - hw function
674 * @param p_ptt - PTT required for register access
675 * @param p_image_att - Attributes of image
676 * @param image_index - Index of image to get information for
677 *
678 * @return int - 0 - operation was successful.
679 */
680 int qed_mcp_bist_nvm_get_image_att(struct qed_hwfn *p_hwfn,
681 struct qed_ptt *p_ptt,
682 struct bist_nvm_image_att *p_image_att,
683 u32 image_index);
684
685 /**
686 * @brief - Processes the TLV request from MFW i.e., get the required TLV info
687 * from the qed client and send it to the MFW.
688 *
689 * @param p_hwfn
690 * @param p_ptt
691 *
692 * @param return 0 upon success.
693 */
694 int qed_mfw_process_tlv_req(struct qed_hwfn *p_hwfn, struct qed_ptt *p_ptt);
695
696 /**
697 * @brief Send raw debug data to the MFW
698 *
699 * @param p_hwfn
700 * @param p_ptt
701 * @param p_buf - raw debug data buffer
702 * @param size - buffer size
703 */
704 int
705 qed_mcp_send_raw_debug_data(struct qed_hwfn *p_hwfn,
706 struct qed_ptt *p_ptt, u8 *p_buf, u32 size);
707
708 /* Using hwfn number (and not pf_num) is required since in CMT mode,
709 * same pf_num may be used by two different hwfn
710 * TODO - this shouldn't really be in .h file, but until all fields
711 * required during hw-init will be placed in their correct place in shmem
712 * we need it in qed_dev.c [for readin the nvram reflection in shmem].
713 */
714 #define MCP_PF_ID_BY_REL(p_hwfn, rel_pfid) (QED_IS_BB((p_hwfn)->cdev) ? \
715 ((rel_pfid) | \
716 ((p_hwfn)->abs_pf_id & 1) << 3) : \
717 rel_pfid)
718 #define MCP_PF_ID(p_hwfn) MCP_PF_ID_BY_REL(p_hwfn, (p_hwfn)->rel_pf_id)
719
720 struct qed_mcp_info {
721 /* List for mailbox commands which were sent and wait for a response */
722 struct list_head cmd_list;
723
724 /* Spinlock used for protecting the access to the mailbox commands list
725 * and the sending of the commands.
726 */
727 spinlock_t cmd_lock;
728
729 /* Flag to indicate whether sending a MFW mailbox command is blocked */
730 bool b_block_cmd;
731
732 /* Spinlock used for syncing SW link-changes and link-changes
733 * originating from attention context.
734 */
735 spinlock_t link_lock;
736
737 u32 public_base;
738 u32 drv_mb_addr;
739 u32 mfw_mb_addr;
740 u32 port_addr;
741 u16 drv_mb_seq;
742 u16 drv_pulse_seq;
743 struct qed_mcp_link_params link_input;
744 struct qed_mcp_link_state link_output;
745 struct qed_mcp_link_capabilities link_capabilities;
746 struct qed_mcp_function_info func_info;
747 u8 *mfw_mb_cur;
748 u8 *mfw_mb_shadow;
749 u16 mfw_mb_length;
750 u32 mcp_hist;
751
752 /* Capabilties negotiated with the MFW */
753 u32 capabilities;
754
755 /* S/N for debug data mailbox commands */
756 atomic_t dbg_data_seq;
757 };
758
759 struct qed_mcp_mb_params {
760 u32 cmd;
761 u32 param;
762 void *p_data_src;
763 void *p_data_dst;
764 u8 data_src_size;
765 u8 data_dst_size;
766 u32 mcp_resp;
767 u32 mcp_param;
768 u32 flags;
769 #define QED_MB_FLAG_CAN_SLEEP (0x1 << 0)
770 #define QED_MB_FLAG_AVOID_BLOCK (0x1 << 1)
771 #define QED_MB_FLAGS_IS_SET(params, flag) \
772 ({ typeof(params) __params = (params); \
773 (__params && (__params->flags & QED_MB_FLAG_ ## flag)); })
774 };
775
776 struct qed_drv_tlv_hdr {
777 u8 tlv_type;
778 u8 tlv_length; /* In dwords - not including this header */
779 u8 tlv_reserved;
780 #define QED_DRV_TLV_FLAGS_CHANGED 0x01
781 u8 tlv_flags;
782 };
783
784 /**
785 * qed_mcp_is_ext_speed_supported() - Check if management firmware supports
786 * extended speeds.
787 * @p_hwfn: HW device data.
788 *
789 * Return: true if supported, false otherwise.
790 */
791 static inline bool
qed_mcp_is_ext_speed_supported(const struct qed_hwfn * p_hwfn)792 qed_mcp_is_ext_speed_supported(const struct qed_hwfn *p_hwfn)
793 {
794 return !!(p_hwfn->mcp_info->capabilities &
795 FW_MB_PARAM_FEATURE_SUPPORT_EXT_SPEED_FEC_CONTROL);
796 }
797
798 /**
799 * @brief Initialize the interface with the MCP
800 *
801 * @param p_hwfn - HW func
802 * @param p_ptt - PTT required for register access
803 *
804 * @return int
805 */
806 int qed_mcp_cmd_init(struct qed_hwfn *p_hwfn,
807 struct qed_ptt *p_ptt);
808
809 /**
810 * @brief Initialize the port interface with the MCP
811 *
812 * @param p_hwfn
813 * @param p_ptt
814 * Can only be called after `num_ports_in_engines' is set
815 */
816 void qed_mcp_cmd_port_init(struct qed_hwfn *p_hwfn,
817 struct qed_ptt *p_ptt);
818 /**
819 * @brief Releases resources allocated during the init process.
820 *
821 * @param p_hwfn - HW func
822 * @param p_ptt - PTT required for register access
823 *
824 * @return int
825 */
826
827 int qed_mcp_free(struct qed_hwfn *p_hwfn);
828
829 /**
830 * @brief This function is called from the DPC context. After
831 * pointing PTT to the mfw mb, check for events sent by the MCP
832 * to the driver and ack them. In case a critical event
833 * detected, it will be handled here, otherwise the work will be
834 * queued to a sleepable work-queue.
835 *
836 * @param p_hwfn - HW function
837 * @param p_ptt - PTT required for register access
838 * @return int - 0 - operation
839 * was successul.
840 */
841 int qed_mcp_handle_events(struct qed_hwfn *p_hwfn,
842 struct qed_ptt *p_ptt);
843
844 enum qed_drv_role {
845 QED_DRV_ROLE_OS,
846 QED_DRV_ROLE_KDUMP,
847 };
848
849 struct qed_load_req_params {
850 /* Input params */
851 enum qed_drv_role drv_role;
852 u8 timeout_val;
853 bool avoid_eng_reset;
854 enum qed_override_force_load override_force_load;
855
856 /* Output params */
857 u32 load_code;
858 };
859
860 /**
861 * @brief Sends a LOAD_REQ to the MFW, and in case the operation succeeds,
862 * returns whether this PF is the first on the engine/port or function.
863 *
864 * @param p_hwfn
865 * @param p_ptt
866 * @param p_params
867 *
868 * @return int - 0 - Operation was successful.
869 */
870 int qed_mcp_load_req(struct qed_hwfn *p_hwfn,
871 struct qed_ptt *p_ptt,
872 struct qed_load_req_params *p_params);
873
874 /**
875 * @brief Sends a LOAD_DONE message to the MFW
876 *
877 * @param p_hwfn
878 * @param p_ptt
879 *
880 * @return int - 0 - Operation was successful.
881 */
882 int qed_mcp_load_done(struct qed_hwfn *p_hwfn, struct qed_ptt *p_ptt);
883
884 /**
885 * @brief Sends a UNLOAD_REQ message to the MFW
886 *
887 * @param p_hwfn
888 * @param p_ptt
889 *
890 * @return int - 0 - Operation was successful.
891 */
892 int qed_mcp_unload_req(struct qed_hwfn *p_hwfn, struct qed_ptt *p_ptt);
893
894 /**
895 * @brief Sends a UNLOAD_DONE message to the MFW
896 *
897 * @param p_hwfn
898 * @param p_ptt
899 *
900 * @return int - 0 - Operation was successful.
901 */
902 int qed_mcp_unload_done(struct qed_hwfn *p_hwfn, struct qed_ptt *p_ptt);
903
904 /**
905 * @brief Read the MFW mailbox into Current buffer.
906 *
907 * @param p_hwfn
908 * @param p_ptt
909 */
910 void qed_mcp_read_mb(struct qed_hwfn *p_hwfn,
911 struct qed_ptt *p_ptt);
912
913 /**
914 * @brief Ack to mfw that driver finished FLR process for VFs
915 *
916 * @param p_hwfn
917 * @param p_ptt
918 * @param vfs_to_ack - bit mask of all engine VFs for which the PF acks.
919 *
920 * @param return int - 0 upon success.
921 */
922 int qed_mcp_ack_vf_flr(struct qed_hwfn *p_hwfn,
923 struct qed_ptt *p_ptt, u32 *vfs_to_ack);
924
925 /**
926 * @brief - calls during init to read shmem of all function-related info.
927 *
928 * @param p_hwfn
929 *
930 * @param return 0 upon success.
931 */
932 int qed_mcp_fill_shmem_func_info(struct qed_hwfn *p_hwfn,
933 struct qed_ptt *p_ptt);
934
935 /**
936 * @brief - Reset the MCP using mailbox command.
937 *
938 * @param p_hwfn
939 * @param p_ptt
940 *
941 * @param return 0 upon success.
942 */
943 int qed_mcp_reset(struct qed_hwfn *p_hwfn,
944 struct qed_ptt *p_ptt);
945
946 /**
947 * @brief - Sends an NVM read command request to the MFW to get
948 * a buffer.
949 *
950 * @param p_hwfn
951 * @param p_ptt
952 * @param cmd - Command: DRV_MSG_CODE_NVM_GET_FILE_DATA or
953 * DRV_MSG_CODE_NVM_READ_NVRAM commands
954 * @param param - [0:23] - Offset [24:31] - Size
955 * @param o_mcp_resp - MCP response
956 * @param o_mcp_param - MCP response param
957 * @param o_txn_size - Buffer size output
958 * @param o_buf - Pointer to the buffer returned by the MFW.
959 *
960 * @param return 0 upon success.
961 */
962 int qed_mcp_nvm_rd_cmd(struct qed_hwfn *p_hwfn,
963 struct qed_ptt *p_ptt,
964 u32 cmd,
965 u32 param,
966 u32 *o_mcp_resp,
967 u32 *o_mcp_param, u32 *o_txn_size, u32 *o_buf);
968
969 /**
970 * @brief Read from sfp
971 *
972 * @param p_hwfn - hw function
973 * @param p_ptt - PTT required for register access
974 * @param port - transceiver port
975 * @param addr - I2C address
976 * @param offset - offset in sfp
977 * @param len - buffer length
978 * @param p_buf - buffer to read into
979 *
980 * @return int - 0 - operation was successful.
981 */
982 int qed_mcp_phy_sfp_read(struct qed_hwfn *p_hwfn, struct qed_ptt *p_ptt,
983 u32 port, u32 addr, u32 offset, u32 len, u8 *p_buf);
984
985 /**
986 * @brief indicates whether the MFW objects [under mcp_info] are accessible
987 *
988 * @param p_hwfn
989 *
990 * @return true iff MFW is running and mcp_info is initialized
991 */
992 bool qed_mcp_is_init(struct qed_hwfn *p_hwfn);
993
994 /**
995 * @brief request MFW to configure MSI-X for a VF
996 *
997 * @param p_hwfn
998 * @param p_ptt
999 * @param vf_id - absolute inside engine
1000 * @param num_sbs - number of entries to request
1001 *
1002 * @return int
1003 */
1004 int qed_mcp_config_vf_msix(struct qed_hwfn *p_hwfn,
1005 struct qed_ptt *p_ptt, u8 vf_id, u8 num);
1006
1007 /**
1008 * @brief - Halt the MCP.
1009 *
1010 * @param p_hwfn
1011 * @param p_ptt
1012 *
1013 * @param return 0 upon success.
1014 */
1015 int qed_mcp_halt(struct qed_hwfn *p_hwfn, struct qed_ptt *p_ptt);
1016
1017 /**
1018 * @brief - Wake up the MCP.
1019 *
1020 * @param p_hwfn
1021 * @param p_ptt
1022 *
1023 * @param return 0 upon success.
1024 */
1025 int qed_mcp_resume(struct qed_hwfn *p_hwfn, struct qed_ptt *p_ptt);
1026
1027 int qed_configure_pf_min_bandwidth(struct qed_dev *cdev, u8 min_bw);
1028 int qed_configure_pf_max_bandwidth(struct qed_dev *cdev, u8 max_bw);
1029 int __qed_configure_pf_max_bandwidth(struct qed_hwfn *p_hwfn,
1030 struct qed_ptt *p_ptt,
1031 struct qed_mcp_link_state *p_link,
1032 u8 max_bw);
1033 int __qed_configure_pf_min_bandwidth(struct qed_hwfn *p_hwfn,
1034 struct qed_ptt *p_ptt,
1035 struct qed_mcp_link_state *p_link,
1036 u8 min_bw);
1037
1038 int qed_mcp_mask_parities(struct qed_hwfn *p_hwfn,
1039 struct qed_ptt *p_ptt, u32 mask_parities);
1040
1041 /* @brief - Gets the mdump retained data from the MFW.
1042 *
1043 * @param p_hwfn
1044 * @param p_ptt
1045 * @param p_mdump_retain
1046 *
1047 * @param return 0 upon success.
1048 */
1049 int
1050 qed_mcp_mdump_get_retain(struct qed_hwfn *p_hwfn,
1051 struct qed_ptt *p_ptt,
1052 struct mdump_retain_data_stc *p_mdump_retain);
1053
1054 /**
1055 * @brief - Sets the MFW's max value for the given resource
1056 *
1057 * @param p_hwfn
1058 * @param p_ptt
1059 * @param res_id
1060 * @param resc_max_val
1061 * @param p_mcp_resp
1062 *
1063 * @return int - 0 - operation was successful.
1064 */
1065 int
1066 qed_mcp_set_resc_max_val(struct qed_hwfn *p_hwfn,
1067 struct qed_ptt *p_ptt,
1068 enum qed_resources res_id,
1069 u32 resc_max_val, u32 *p_mcp_resp);
1070
1071 /**
1072 * @brief - Gets the MFW allocation info for the given resource
1073 *
1074 * @param p_hwfn
1075 * @param p_ptt
1076 * @param res_id
1077 * @param p_mcp_resp
1078 * @param p_resc_num
1079 * @param p_resc_start
1080 *
1081 * @return int - 0 - operation was successful.
1082 */
1083 int
1084 qed_mcp_get_resc_info(struct qed_hwfn *p_hwfn,
1085 struct qed_ptt *p_ptt,
1086 enum qed_resources res_id,
1087 u32 *p_mcp_resp, u32 *p_resc_num, u32 *p_resc_start);
1088
1089 /**
1090 * @brief Send eswitch mode to MFW
1091 *
1092 * @param p_hwfn
1093 * @param p_ptt
1094 * @param eswitch - eswitch mode
1095 *
1096 * @return int - 0 - operation was successful.
1097 */
1098 int qed_mcp_ov_update_eswitch(struct qed_hwfn *p_hwfn,
1099 struct qed_ptt *p_ptt,
1100 enum qed_ov_eswitch eswitch);
1101
1102 #define QED_MCP_RESC_LOCK_MIN_VAL RESOURCE_DUMP
1103 #define QED_MCP_RESC_LOCK_MAX_VAL 31
1104
1105 enum qed_resc_lock {
1106 QED_RESC_LOCK_DBG_DUMP = QED_MCP_RESC_LOCK_MIN_VAL,
1107 QED_RESC_LOCK_PTP_PORT0,
1108 QED_RESC_LOCK_PTP_PORT1,
1109 QED_RESC_LOCK_PTP_PORT2,
1110 QED_RESC_LOCK_PTP_PORT3,
1111 QED_RESC_LOCK_RESC_ALLOC = QED_MCP_RESC_LOCK_MAX_VAL,
1112 QED_RESC_LOCK_RESC_INVALID
1113 };
1114
1115 /**
1116 * @brief - Initiates PF FLR
1117 *
1118 * @param p_hwfn
1119 * @param p_ptt
1120 *
1121 * @return int - 0 - operation was successful.
1122 */
1123 int qed_mcp_initiate_pf_flr(struct qed_hwfn *p_hwfn, struct qed_ptt *p_ptt);
1124 struct qed_resc_lock_params {
1125 /* Resource number [valid values are 0..31] */
1126 u8 resource;
1127
1128 /* Lock timeout value in seconds [default, none or 1..254] */
1129 u8 timeout;
1130 #define QED_MCP_RESC_LOCK_TO_DEFAULT 0
1131 #define QED_MCP_RESC_LOCK_TO_NONE 255
1132
1133 /* Number of times to retry locking */
1134 u8 retry_num;
1135 #define QED_MCP_RESC_LOCK_RETRY_CNT_DFLT 10
1136
1137 /* The interval in usec between retries */
1138 u16 retry_interval;
1139 #define QED_MCP_RESC_LOCK_RETRY_VAL_DFLT 10000
1140
1141 /* Use sleep or delay between retries */
1142 bool sleep_b4_retry;
1143
1144 /* Will be set as true if the resource is free and granted */
1145 bool b_granted;
1146
1147 /* Will be filled with the resource owner.
1148 * [0..15 = PF0-15, 16 = MFW]
1149 */
1150 u8 owner;
1151 };
1152
1153 /**
1154 * @brief Acquires MFW generic resource lock
1155 *
1156 * @param p_hwfn
1157 * @param p_ptt
1158 * @param p_params
1159 *
1160 * @return int - 0 - operation was successful.
1161 */
1162 int
1163 qed_mcp_resc_lock(struct qed_hwfn *p_hwfn,
1164 struct qed_ptt *p_ptt, struct qed_resc_lock_params *p_params);
1165
1166 struct qed_resc_unlock_params {
1167 /* Resource number [valid values are 0..31] */
1168 u8 resource;
1169
1170 /* Allow to release a resource even if belongs to another PF */
1171 bool b_force;
1172
1173 /* Will be set as true if the resource is released */
1174 bool b_released;
1175 };
1176
1177 /**
1178 * @brief Releases MFW generic resource lock
1179 *
1180 * @param p_hwfn
1181 * @param p_ptt
1182 * @param p_params
1183 *
1184 * @return int - 0 - operation was successful.
1185 */
1186 int
1187 qed_mcp_resc_unlock(struct qed_hwfn *p_hwfn,
1188 struct qed_ptt *p_ptt,
1189 struct qed_resc_unlock_params *p_params);
1190
1191 /**
1192 * @brief - default initialization for lock/unlock resource structs
1193 *
1194 * @param p_lock - lock params struct to be initialized; Can be NULL
1195 * @param p_unlock - unlock params struct to be initialized; Can be NULL
1196 * @param resource - the requested resource
1197 * @paral b_is_permanent - disable retries & aging when set
1198 */
1199 void qed_mcp_resc_lock_default_init(struct qed_resc_lock_params *p_lock,
1200 struct qed_resc_unlock_params *p_unlock,
1201 enum qed_resc_lock
1202 resource, bool b_is_permanent);
1203
1204 /**
1205 * @brief - Return whether management firmware support smart AN
1206 *
1207 * @param p_hwfn
1208 *
1209 * @return bool - true if feature is supported.
1210 */
1211 bool qed_mcp_is_smart_an_supported(struct qed_hwfn *p_hwfn);
1212
1213 /**
1214 * @brief Learn of supported MFW features; To be done during early init
1215 *
1216 * @param p_hwfn
1217 * @param p_ptt
1218 */
1219 int qed_mcp_get_capabilities(struct qed_hwfn *p_hwfn, struct qed_ptt *p_ptt);
1220
1221 /**
1222 * @brief Inform MFW of set of features supported by driver. Should be done
1223 * inside the content of the LOAD_REQ.
1224 *
1225 * @param p_hwfn
1226 * @param p_ptt
1227 */
1228 int qed_mcp_set_capabilities(struct qed_hwfn *p_hwfn, struct qed_ptt *p_ptt);
1229
1230 /**
1231 * @brief Read ufp config from the shared memory.
1232 *
1233 * @param p_hwfn
1234 * @param p_ptt
1235 */
1236 void qed_mcp_read_ufp_config(struct qed_hwfn *p_hwfn, struct qed_ptt *p_ptt);
1237
1238 /**
1239 * @brief Populate the nvm info shadow in the given hardware function
1240 *
1241 * @param p_hwfn
1242 */
1243 int qed_mcp_nvm_info_populate(struct qed_hwfn *p_hwfn);
1244
1245 /**
1246 * @brief Delete nvm info shadow in the given hardware function
1247 *
1248 * @param p_hwfn
1249 */
1250 void qed_mcp_nvm_info_free(struct qed_hwfn *p_hwfn);
1251
1252 /**
1253 * @brief Get the engine affinity configuration.
1254 *
1255 * @param p_hwfn
1256 * @param p_ptt
1257 */
1258 int qed_mcp_get_engine_config(struct qed_hwfn *p_hwfn, struct qed_ptt *p_ptt);
1259
1260 /**
1261 * @brief Get the PPFID bitmap.
1262 *
1263 * @param p_hwfn
1264 * @param p_ptt
1265 */
1266 int qed_mcp_get_ppfid_bitmap(struct qed_hwfn *p_hwfn, struct qed_ptt *p_ptt);
1267
1268 /**
1269 * @brief Get NVM config attribute value.
1270 *
1271 * @param p_hwfn
1272 * @param p_ptt
1273 * @param option_id
1274 * @param entity_id
1275 * @param flags
1276 * @param p_buf
1277 * @param p_len
1278 */
1279 int qed_mcp_nvm_get_cfg(struct qed_hwfn *p_hwfn, struct qed_ptt *p_ptt,
1280 u16 option_id, u8 entity_id, u16 flags, u8 *p_buf,
1281 u32 *p_len);
1282
1283 /**
1284 * @brief Set NVM config attribute value.
1285 *
1286 * @param p_hwfn
1287 * @param p_ptt
1288 * @param option_id
1289 * @param entity_id
1290 * @param flags
1291 * @param p_buf
1292 * @param len
1293 */
1294 int qed_mcp_nvm_set_cfg(struct qed_hwfn *p_hwfn, struct qed_ptt *p_ptt,
1295 u16 option_id, u8 entity_id, u16 flags, u8 *p_buf,
1296 u32 len);
1297 #endif
1298
