xref: /linux/drivers/net/ethernet/qlogic/qed/qed_dev.c (revision 1a9dc561)
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/io.h>
10 #include <linux/delay.h>
11 #include <linux/dma-mapping.h>
12 #include <linux/errno.h>
13 #include <linux/kernel.h>
14 #include <linux/mutex.h>
15 #include <linux/pci.h>
16 #include <linux/slab.h>
17 #include <linux/string.h>
18 #include <linux/vmalloc.h>
19 #include <linux/etherdevice.h>
20 #include <linux/qed/qed_chain.h>
21 #include <linux/qed/qed_if.h>
22 #include "qed.h"
23 #include "qed_cxt.h"
24 #include "qed_dcbx.h"
25 #include "qed_dev_api.h"
26 #include "qed_fcoe.h"
27 #include "qed_hsi.h"
28 #include "qed_iro_hsi.h"
29 #include "qed_hw.h"
30 #include "qed_init_ops.h"
31 #include "qed_int.h"
32 #include "qed_iscsi.h"
33 #include "qed_ll2.h"
34 #include "qed_mcp.h"
35 #include "qed_ooo.h"
36 #include "qed_reg_addr.h"
37 #include "qed_sp.h"
38 #include "qed_sriov.h"
39 #include "qed_vf.h"
40 #include "qed_rdma.h"
41 #include "qed_nvmetcp.h"
42 
43 static DEFINE_SPINLOCK(qm_lock);
44 
45 /******************** Doorbell Recovery *******************/
46 /* The doorbell recovery mechanism consists of a list of entries which represent
47  * doorbelling entities (l2 queues, roce sq/rq/cqs, the slowpath spq, etc). Each
48  * entity needs to register with the mechanism and provide the parameters
49  * describing it's doorbell, including a location where last used doorbell data
50  * can be found. The doorbell execute function will traverse the list and
51  * doorbell all of the registered entries.
52  */
53 struct qed_db_recovery_entry {
54 	struct list_head list_entry;
55 	void __iomem *db_addr;
56 	void *db_data;
57 	enum qed_db_rec_width db_width;
58 	enum qed_db_rec_space db_space;
59 	u8 hwfn_idx;
60 };
61 
62 /* Display a single doorbell recovery entry */
qed_db_recovery_dp_entry(struct qed_hwfn * p_hwfn,struct qed_db_recovery_entry * db_entry,char * action)63 static void qed_db_recovery_dp_entry(struct qed_hwfn *p_hwfn,
64 				     struct qed_db_recovery_entry *db_entry,
65 				     char *action)
66 {
67 	DP_VERBOSE(p_hwfn,
68 		   QED_MSG_SPQ,
69 		   "(%s: db_entry %p, addr %p, data %p, width %s, %s space, hwfn %d)\n",
70 		   action,
71 		   db_entry,
72 		   db_entry->db_addr,
73 		   db_entry->db_data,
74 		   db_entry->db_width == DB_REC_WIDTH_32B ? "32b" : "64b",
75 		   db_entry->db_space == DB_REC_USER ? "user" : "kernel",
76 		   db_entry->hwfn_idx);
77 }
78 
79 /* Doorbell address sanity (address within doorbell bar range) */
qed_db_rec_sanity(struct qed_dev * cdev,void __iomem * db_addr,enum qed_db_rec_width db_width,void * db_data)80 static bool qed_db_rec_sanity(struct qed_dev *cdev,
81 			      void __iomem *db_addr,
82 			      enum qed_db_rec_width db_width,
83 			      void *db_data)
84 {
85 	u32 width = (db_width == DB_REC_WIDTH_32B) ? 32 : 64;
86 
87 	/* Make sure doorbell address is within the doorbell bar */
88 	if (db_addr < cdev->doorbells ||
89 	    (u8 __iomem *)db_addr + width >
90 	    (u8 __iomem *)cdev->doorbells + cdev->db_size) {
91 		WARN(true,
92 		     "Illegal doorbell address: %p. Legal range for doorbell addresses is [%p..%p]\n",
93 		     db_addr,
94 		     cdev->doorbells,
95 		     (u8 __iomem *)cdev->doorbells + cdev->db_size);
96 		return false;
97 	}
98 
99 	/* ake sure doorbell data pointer is not null */
100 	if (!db_data) {
101 		WARN(true, "Illegal doorbell data pointer: %p", db_data);
102 		return false;
103 	}
104 
105 	return true;
106 }
107 
108 /* Find hwfn according to the doorbell address */
qed_db_rec_find_hwfn(struct qed_dev * cdev,void __iomem * db_addr)109 static struct qed_hwfn *qed_db_rec_find_hwfn(struct qed_dev *cdev,
110 					     void __iomem *db_addr)
111 {
112 	struct qed_hwfn *p_hwfn;
113 
114 	/* In CMT doorbell bar is split down the middle between engine 0 and enigne 1 */
115 	if (cdev->num_hwfns > 1)
116 		p_hwfn = db_addr < cdev->hwfns[1].doorbells ?
117 		    &cdev->hwfns[0] : &cdev->hwfns[1];
118 	else
119 		p_hwfn = QED_LEADING_HWFN(cdev);
120 
121 	return p_hwfn;
122 }
123 
124 /* Add a new entry to the doorbell recovery mechanism */
qed_db_recovery_add(struct qed_dev * cdev,void __iomem * db_addr,void * db_data,enum qed_db_rec_width db_width,enum qed_db_rec_space db_space)125 int qed_db_recovery_add(struct qed_dev *cdev,
126 			void __iomem *db_addr,
127 			void *db_data,
128 			enum qed_db_rec_width db_width,
129 			enum qed_db_rec_space db_space)
130 {
131 	struct qed_db_recovery_entry *db_entry;
132 	struct qed_hwfn *p_hwfn;
133 
134 	/* Shortcircuit VFs, for now */
135 	if (IS_VF(cdev)) {
136 		DP_VERBOSE(cdev,
137 			   QED_MSG_IOV, "db recovery - skipping VF doorbell\n");
138 		return 0;
139 	}
140 
141 	/* Sanitize doorbell address */
142 	if (!qed_db_rec_sanity(cdev, db_addr, db_width, db_data))
143 		return -EINVAL;
144 
145 	/* Obtain hwfn from doorbell address */
146 	p_hwfn = qed_db_rec_find_hwfn(cdev, db_addr);
147 
148 	/* Create entry */
149 	db_entry = kzalloc(sizeof(*db_entry), GFP_KERNEL);
150 	if (!db_entry) {
151 		DP_NOTICE(cdev, "Failed to allocate a db recovery entry\n");
152 		return -ENOMEM;
153 	}
154 
155 	/* Populate entry */
156 	db_entry->db_addr = db_addr;
157 	db_entry->db_data = db_data;
158 	db_entry->db_width = db_width;
159 	db_entry->db_space = db_space;
160 	db_entry->hwfn_idx = p_hwfn->my_id;
161 
162 	/* Display */
163 	qed_db_recovery_dp_entry(p_hwfn, db_entry, "Adding");
164 
165 	/* Protect the list */
166 	spin_lock_bh(&p_hwfn->db_recovery_info.lock);
167 	list_add_tail(&db_entry->list_entry, &p_hwfn->db_recovery_info.list);
168 	spin_unlock_bh(&p_hwfn->db_recovery_info.lock);
169 
170 	return 0;
171 }
172 
173 /* Remove an entry from the doorbell recovery mechanism */
qed_db_recovery_del(struct qed_dev * cdev,void __iomem * db_addr,void * db_data)174 int qed_db_recovery_del(struct qed_dev *cdev,
175 			void __iomem *db_addr, void *db_data)
176 {
177 	struct qed_db_recovery_entry *db_entry = NULL;
178 	struct qed_hwfn *p_hwfn;
179 	int rc = -EINVAL;
180 
181 	/* Shortcircuit VFs, for now */
182 	if (IS_VF(cdev)) {
183 		DP_VERBOSE(cdev,
184 			   QED_MSG_IOV, "db recovery - skipping VF doorbell\n");
185 		return 0;
186 	}
187 
188 	/* Obtain hwfn from doorbell address */
189 	p_hwfn = qed_db_rec_find_hwfn(cdev, db_addr);
190 
191 	/* Protect the list */
192 	spin_lock_bh(&p_hwfn->db_recovery_info.lock);
193 	list_for_each_entry(db_entry,
194 			    &p_hwfn->db_recovery_info.list, list_entry) {
195 		/* search according to db_data addr since db_addr is not unique (roce) */
196 		if (db_entry->db_data == db_data) {
197 			qed_db_recovery_dp_entry(p_hwfn, db_entry, "Deleting");
198 			list_del(&db_entry->list_entry);
199 			rc = 0;
200 			break;
201 		}
202 	}
203 
204 	spin_unlock_bh(&p_hwfn->db_recovery_info.lock);
205 
206 	if (rc == -EINVAL)
207 
208 		DP_NOTICE(p_hwfn,
209 			  "Failed to find element in list. Key (db_data addr) was %p. db_addr was %p\n",
210 			  db_data, db_addr);
211 	else
212 		kfree(db_entry);
213 
214 	return rc;
215 }
216 
217 /* Initialize the doorbell recovery mechanism */
qed_db_recovery_setup(struct qed_hwfn * p_hwfn)218 static int qed_db_recovery_setup(struct qed_hwfn *p_hwfn)
219 {
220 	DP_VERBOSE(p_hwfn, QED_MSG_SPQ, "Setting up db recovery\n");
221 
222 	/* Make sure db_size was set in cdev */
223 	if (!p_hwfn->cdev->db_size) {
224 		DP_ERR(p_hwfn->cdev, "db_size not set\n");
225 		return -EINVAL;
226 	}
227 
228 	INIT_LIST_HEAD(&p_hwfn->db_recovery_info.list);
229 	spin_lock_init(&p_hwfn->db_recovery_info.lock);
230 	p_hwfn->db_recovery_info.db_recovery_counter = 0;
231 
232 	return 0;
233 }
234 
235 /* Destroy the doorbell recovery mechanism */
qed_db_recovery_teardown(struct qed_hwfn * p_hwfn)236 static void qed_db_recovery_teardown(struct qed_hwfn *p_hwfn)
237 {
238 	struct qed_db_recovery_entry *db_entry = NULL;
239 
240 	DP_VERBOSE(p_hwfn, QED_MSG_SPQ, "Tearing down db recovery\n");
241 	if (!list_empty(&p_hwfn->db_recovery_info.list)) {
242 		DP_VERBOSE(p_hwfn,
243 			   QED_MSG_SPQ,
244 			   "Doorbell Recovery teardown found the doorbell recovery list was not empty (Expected in disorderly driver unload (e.g. recovery) otherwise this probably means some flow forgot to db_recovery_del). Prepare to purge doorbell recovery list...\n");
245 		while (!list_empty(&p_hwfn->db_recovery_info.list)) {
246 			db_entry =
247 			    list_first_entry(&p_hwfn->db_recovery_info.list,
248 					     struct qed_db_recovery_entry,
249 					     list_entry);
250 			qed_db_recovery_dp_entry(p_hwfn, db_entry, "Purging");
251 			list_del(&db_entry->list_entry);
252 			kfree(db_entry);
253 		}
254 	}
255 	p_hwfn->db_recovery_info.db_recovery_counter = 0;
256 }
257 
258 /* Print the content of the doorbell recovery mechanism */
qed_db_recovery_dp(struct qed_hwfn * p_hwfn)259 void qed_db_recovery_dp(struct qed_hwfn *p_hwfn)
260 {
261 	struct qed_db_recovery_entry *db_entry = NULL;
262 
263 	DP_NOTICE(p_hwfn,
264 		  "Displaying doorbell recovery database. Counter was %d\n",
265 		  p_hwfn->db_recovery_info.db_recovery_counter);
266 
267 	/* Protect the list */
268 	spin_lock_bh(&p_hwfn->db_recovery_info.lock);
269 	list_for_each_entry(db_entry,
270 			    &p_hwfn->db_recovery_info.list, list_entry) {
271 		qed_db_recovery_dp_entry(p_hwfn, db_entry, "Printing");
272 	}
273 
274 	spin_unlock_bh(&p_hwfn->db_recovery_info.lock);
275 }
276 
277 /* Ring the doorbell of a single doorbell recovery entry */
qed_db_recovery_ring(struct qed_hwfn * p_hwfn,struct qed_db_recovery_entry * db_entry)278 static void qed_db_recovery_ring(struct qed_hwfn *p_hwfn,
279 				 struct qed_db_recovery_entry *db_entry)
280 {
281 	/* Print according to width */
282 	if (db_entry->db_width == DB_REC_WIDTH_32B) {
283 		DP_VERBOSE(p_hwfn, QED_MSG_SPQ,
284 			   "ringing doorbell address %p data %x\n",
285 			   db_entry->db_addr,
286 			   *(u32 *)db_entry->db_data);
287 	} else {
288 		DP_VERBOSE(p_hwfn, QED_MSG_SPQ,
289 			   "ringing doorbell address %p data %llx\n",
290 			   db_entry->db_addr,
291 			   *(u64 *)(db_entry->db_data));
292 	}
293 
294 	/* Sanity */
295 	if (!qed_db_rec_sanity(p_hwfn->cdev, db_entry->db_addr,
296 			       db_entry->db_width, db_entry->db_data))
297 		return;
298 
299 	/* Flush the write combined buffer. Since there are multiple doorbelling
300 	 * entities using the same address, if we don't flush, a transaction
301 	 * could be lost.
302 	 */
303 	wmb();
304 
305 	/* Ring the doorbell */
306 	if (db_entry->db_width == DB_REC_WIDTH_32B)
307 		DIRECT_REG_WR(db_entry->db_addr,
308 			      *(u32 *)(db_entry->db_data));
309 	else
310 		DIRECT_REG_WR64(db_entry->db_addr,
311 				*(u64 *)(db_entry->db_data));
312 
313 	/* Flush the write combined buffer. Next doorbell may come from a
314 	 * different entity to the same address...
315 	 */
316 	wmb();
317 }
318 
319 /* Traverse the doorbell recovery entry list and ring all the doorbells */
qed_db_recovery_execute(struct qed_hwfn * p_hwfn)320 void qed_db_recovery_execute(struct qed_hwfn *p_hwfn)
321 {
322 	struct qed_db_recovery_entry *db_entry = NULL;
323 
324 	DP_NOTICE(p_hwfn, "Executing doorbell recovery. Counter was %d\n",
325 		  p_hwfn->db_recovery_info.db_recovery_counter);
326 
327 	/* Track amount of times recovery was executed */
328 	p_hwfn->db_recovery_info.db_recovery_counter++;
329 
330 	/* Protect the list */
331 	spin_lock_bh(&p_hwfn->db_recovery_info.lock);
332 	list_for_each_entry(db_entry,
333 			    &p_hwfn->db_recovery_info.list, list_entry)
334 		qed_db_recovery_ring(p_hwfn, db_entry);
335 	spin_unlock_bh(&p_hwfn->db_recovery_info.lock);
336 }
337 
338 /******************** Doorbell Recovery end ****************/
339 
340 /********************************** NIG LLH ***********************************/
341 
342 enum qed_llh_filter_type {
343 	QED_LLH_FILTER_TYPE_MAC,
344 	QED_LLH_FILTER_TYPE_PROTOCOL,
345 };
346 
347 struct qed_llh_mac_filter {
348 	u8 addr[ETH_ALEN];
349 };
350 
351 struct qed_llh_protocol_filter {
352 	enum qed_llh_prot_filter_type_t type;
353 	u16 source_port_or_eth_type;
354 	u16 dest_port;
355 };
356 
357 union qed_llh_filter {
358 	struct qed_llh_mac_filter mac;
359 	struct qed_llh_protocol_filter protocol;
360 };
361 
362 struct qed_llh_filter_info {
363 	bool b_enabled;
364 	u32 ref_cnt;
365 	enum qed_llh_filter_type type;
366 	union qed_llh_filter filter;
367 };
368 
369 struct qed_llh_info {
370 	/* Number of LLH filters banks */
371 	u8 num_ppfid;
372 
373 #define MAX_NUM_PPFID   8
374 	u8 ppfid_array[MAX_NUM_PPFID];
375 
376 	/* Array of filters arrays:
377 	 * "num_ppfid" elements of filters banks, where each is an array of
378 	 * "NIG_REG_LLH_FUNC_FILTER_EN_SIZE" filters.
379 	 */
380 	struct qed_llh_filter_info **pp_filters;
381 };
382 
qed_llh_free(struct qed_dev * cdev)383 static void qed_llh_free(struct qed_dev *cdev)
384 {
385 	struct qed_llh_info *p_llh_info = cdev->p_llh_info;
386 	u32 i;
387 
388 	if (p_llh_info) {
389 		if (p_llh_info->pp_filters)
390 			for (i = 0; i < p_llh_info->num_ppfid; i++)
391 				kfree(p_llh_info->pp_filters[i]);
392 
393 		kfree(p_llh_info->pp_filters);
394 	}
395 
396 	kfree(p_llh_info);
397 	cdev->p_llh_info = NULL;
398 }
399 
qed_llh_alloc(struct qed_dev * cdev)400 static int qed_llh_alloc(struct qed_dev *cdev)
401 {
402 	struct qed_llh_info *p_llh_info;
403 	u32 size, i;
404 
405 	p_llh_info = kzalloc(sizeof(*p_llh_info), GFP_KERNEL);
406 	if (!p_llh_info)
407 		return -ENOMEM;
408 	cdev->p_llh_info = p_llh_info;
409 
410 	for (i = 0; i < MAX_NUM_PPFID; i++) {
411 		if (!(cdev->ppfid_bitmap & (0x1 << i)))
412 			continue;
413 
414 		p_llh_info->ppfid_array[p_llh_info->num_ppfid] = i;
415 		DP_VERBOSE(cdev, QED_MSG_SP, "ppfid_array[%d] = %u\n",
416 			   p_llh_info->num_ppfid, i);
417 		p_llh_info->num_ppfid++;
418 	}
419 
420 	size = p_llh_info->num_ppfid * sizeof(*p_llh_info->pp_filters);
421 	p_llh_info->pp_filters = kzalloc(size, GFP_KERNEL);
422 	if (!p_llh_info->pp_filters)
423 		return -ENOMEM;
424 
425 	size = NIG_REG_LLH_FUNC_FILTER_EN_SIZE *
426 	    sizeof(**p_llh_info->pp_filters);
427 	for (i = 0; i < p_llh_info->num_ppfid; i++) {
428 		p_llh_info->pp_filters[i] = kzalloc(size, GFP_KERNEL);
429 		if (!p_llh_info->pp_filters[i])
430 			return -ENOMEM;
431 	}
432 
433 	return 0;
434 }
435 
qed_llh_shadow_sanity(struct qed_dev * cdev,u8 ppfid,u8 filter_idx,const char * action)436 static int qed_llh_shadow_sanity(struct qed_dev *cdev,
437 				 u8 ppfid, u8 filter_idx, const char *action)
438 {
439 	struct qed_llh_info *p_llh_info = cdev->p_llh_info;
440 
441 	if (ppfid >= p_llh_info->num_ppfid) {
442 		DP_NOTICE(cdev,
443 			  "LLH shadow [%s]: using ppfid %d while only %d ppfids are available\n",
444 			  action, ppfid, p_llh_info->num_ppfid);
445 		return -EINVAL;
446 	}
447 
448 	if (filter_idx >= NIG_REG_LLH_FUNC_FILTER_EN_SIZE) {
449 		DP_NOTICE(cdev,
450 			  "LLH shadow [%s]: using filter_idx %d while only %d filters are available\n",
451 			  action, filter_idx, NIG_REG_LLH_FUNC_FILTER_EN_SIZE);
452 		return -EINVAL;
453 	}
454 
455 	return 0;
456 }
457 
458 #define QED_LLH_INVALID_FILTER_IDX      0xff
459 
460 static int
qed_llh_shadow_search_filter(struct qed_dev * cdev,u8 ppfid,union qed_llh_filter * p_filter,u8 * p_filter_idx)461 qed_llh_shadow_search_filter(struct qed_dev *cdev,
462 			     u8 ppfid,
463 			     union qed_llh_filter *p_filter, u8 *p_filter_idx)
464 {
465 	struct qed_llh_info *p_llh_info = cdev->p_llh_info;
466 	struct qed_llh_filter_info *p_filters;
467 	int rc;
468 	u8 i;
469 
470 	rc = qed_llh_shadow_sanity(cdev, ppfid, 0, "search");
471 	if (rc)
472 		return rc;
473 
474 	*p_filter_idx = QED_LLH_INVALID_FILTER_IDX;
475 
476 	p_filters = p_llh_info->pp_filters[ppfid];
477 	for (i = 0; i < NIG_REG_LLH_FUNC_FILTER_EN_SIZE; i++) {
478 		if (!memcmp(p_filter, &p_filters[i].filter,
479 			    sizeof(*p_filter))) {
480 			*p_filter_idx = i;
481 			break;
482 		}
483 	}
484 
485 	return 0;
486 }
487 
488 static int
qed_llh_shadow_get_free_idx(struct qed_dev * cdev,u8 ppfid,u8 * p_filter_idx)489 qed_llh_shadow_get_free_idx(struct qed_dev *cdev, u8 ppfid, u8 *p_filter_idx)
490 {
491 	struct qed_llh_info *p_llh_info = cdev->p_llh_info;
492 	struct qed_llh_filter_info *p_filters;
493 	int rc;
494 	u8 i;
495 
496 	rc = qed_llh_shadow_sanity(cdev, ppfid, 0, "get_free_idx");
497 	if (rc)
498 		return rc;
499 
500 	*p_filter_idx = QED_LLH_INVALID_FILTER_IDX;
501 
502 	p_filters = p_llh_info->pp_filters[ppfid];
503 	for (i = 0; i < NIG_REG_LLH_FUNC_FILTER_EN_SIZE; i++) {
504 		if (!p_filters[i].b_enabled) {
505 			*p_filter_idx = i;
506 			break;
507 		}
508 	}
509 
510 	return 0;
511 }
512 
513 static int
__qed_llh_shadow_add_filter(struct qed_dev * cdev,u8 ppfid,u8 filter_idx,enum qed_llh_filter_type type,union qed_llh_filter * p_filter,u32 * p_ref_cnt)514 __qed_llh_shadow_add_filter(struct qed_dev *cdev,
515 			    u8 ppfid,
516 			    u8 filter_idx,
517 			    enum qed_llh_filter_type type,
518 			    union qed_llh_filter *p_filter, u32 *p_ref_cnt)
519 {
520 	struct qed_llh_info *p_llh_info = cdev->p_llh_info;
521 	struct qed_llh_filter_info *p_filters;
522 	int rc;
523 
524 	rc = qed_llh_shadow_sanity(cdev, ppfid, filter_idx, "add");
525 	if (rc)
526 		return rc;
527 
528 	p_filters = p_llh_info->pp_filters[ppfid];
529 	if (!p_filters[filter_idx].ref_cnt) {
530 		p_filters[filter_idx].b_enabled = true;
531 		p_filters[filter_idx].type = type;
532 		memcpy(&p_filters[filter_idx].filter, p_filter,
533 		       sizeof(p_filters[filter_idx].filter));
534 	}
535 
536 	*p_ref_cnt = ++p_filters[filter_idx].ref_cnt;
537 
538 	return 0;
539 }
540 
541 static int
qed_llh_shadow_add_filter(struct qed_dev * cdev,u8 ppfid,enum qed_llh_filter_type type,union qed_llh_filter * p_filter,u8 * p_filter_idx,u32 * p_ref_cnt)542 qed_llh_shadow_add_filter(struct qed_dev *cdev,
543 			  u8 ppfid,
544 			  enum qed_llh_filter_type type,
545 			  union qed_llh_filter *p_filter,
546 			  u8 *p_filter_idx, u32 *p_ref_cnt)
547 {
548 	int rc;
549 
550 	/* Check if the same filter already exist */
551 	rc = qed_llh_shadow_search_filter(cdev, ppfid, p_filter, p_filter_idx);
552 	if (rc)
553 		return rc;
554 
555 	/* Find a new entry in case of a new filter */
556 	if (*p_filter_idx == QED_LLH_INVALID_FILTER_IDX) {
557 		rc = qed_llh_shadow_get_free_idx(cdev, ppfid, p_filter_idx);
558 		if (rc)
559 			return rc;
560 	}
561 
562 	/* No free entry was found */
563 	if (*p_filter_idx == QED_LLH_INVALID_FILTER_IDX) {
564 		DP_NOTICE(cdev,
565 			  "Failed to find an empty LLH filter to utilize [ppfid %d]\n",
566 			  ppfid);
567 		return -EINVAL;
568 	}
569 
570 	return __qed_llh_shadow_add_filter(cdev, ppfid, *p_filter_idx, type,
571 					   p_filter, p_ref_cnt);
572 }
573 
574 static int
__qed_llh_shadow_remove_filter(struct qed_dev * cdev,u8 ppfid,u8 filter_idx,u32 * p_ref_cnt)575 __qed_llh_shadow_remove_filter(struct qed_dev *cdev,
576 			       u8 ppfid, u8 filter_idx, u32 *p_ref_cnt)
577 {
578 	struct qed_llh_info *p_llh_info = cdev->p_llh_info;
579 	struct qed_llh_filter_info *p_filters;
580 	int rc;
581 
582 	rc = qed_llh_shadow_sanity(cdev, ppfid, filter_idx, "remove");
583 	if (rc)
584 		return rc;
585 
586 	p_filters = p_llh_info->pp_filters[ppfid];
587 	if (!p_filters[filter_idx].ref_cnt) {
588 		DP_NOTICE(cdev,
589 			  "LLH shadow: trying to remove a filter with ref_cnt=0\n");
590 		return -EINVAL;
591 	}
592 
593 	*p_ref_cnt = --p_filters[filter_idx].ref_cnt;
594 	if (!p_filters[filter_idx].ref_cnt)
595 		memset(&p_filters[filter_idx],
596 		       0, sizeof(p_filters[filter_idx]));
597 
598 	return 0;
599 }
600 
601 static int
qed_llh_shadow_remove_filter(struct qed_dev * cdev,u8 ppfid,union qed_llh_filter * p_filter,u8 * p_filter_idx,u32 * p_ref_cnt)602 qed_llh_shadow_remove_filter(struct qed_dev *cdev,
603 			     u8 ppfid,
604 			     union qed_llh_filter *p_filter,
605 			     u8 *p_filter_idx, u32 *p_ref_cnt)
606 {
607 	int rc;
608 
609 	rc = qed_llh_shadow_search_filter(cdev, ppfid, p_filter, p_filter_idx);
610 	if (rc)
611 		return rc;
612 
613 	/* No matching filter was found */
614 	if (*p_filter_idx == QED_LLH_INVALID_FILTER_IDX) {
615 		DP_NOTICE(cdev, "Failed to find a filter in the LLH shadow\n");
616 		return -EINVAL;
617 	}
618 
619 	return __qed_llh_shadow_remove_filter(cdev, ppfid, *p_filter_idx,
620 					      p_ref_cnt);
621 }
622 
qed_llh_abs_ppfid(struct qed_dev * cdev,u8 ppfid,u8 * p_abs_ppfid)623 static int qed_llh_abs_ppfid(struct qed_dev *cdev, u8 ppfid, u8 *p_abs_ppfid)
624 {
625 	struct qed_llh_info *p_llh_info = cdev->p_llh_info;
626 
627 	if (ppfid >= p_llh_info->num_ppfid) {
628 		DP_NOTICE(cdev,
629 			  "ppfid %d is not valid, available indices are 0..%d\n",
630 			  ppfid, p_llh_info->num_ppfid - 1);
631 		*p_abs_ppfid = 0;
632 		return -EINVAL;
633 	}
634 
635 	*p_abs_ppfid = p_llh_info->ppfid_array[ppfid];
636 
637 	return 0;
638 }
639 
640 static int
qed_llh_set_engine_affin(struct qed_hwfn * p_hwfn,struct qed_ptt * p_ptt)641 qed_llh_set_engine_affin(struct qed_hwfn *p_hwfn, struct qed_ptt *p_ptt)
642 {
643 	struct qed_dev *cdev = p_hwfn->cdev;
644 	enum qed_eng eng;
645 	u8 ppfid;
646 	int rc;
647 
648 	rc = qed_mcp_get_engine_config(p_hwfn, p_ptt);
649 	if (rc != 0 && rc != -EOPNOTSUPP) {
650 		DP_NOTICE(p_hwfn,
651 			  "Failed to get the engine affinity configuration\n");
652 		return rc;
653 	}
654 
655 	/* RoCE PF is bound to a single engine */
656 	if (QED_IS_ROCE_PERSONALITY(p_hwfn)) {
657 		eng = cdev->fir_affin ? QED_ENG1 : QED_ENG0;
658 		rc = qed_llh_set_roce_affinity(cdev, eng);
659 		if (rc) {
660 			DP_NOTICE(cdev,
661 				  "Failed to set the RoCE engine affinity\n");
662 			return rc;
663 		}
664 
665 		DP_VERBOSE(cdev,
666 			   QED_MSG_SP,
667 			   "LLH: Set the engine affinity of RoCE packets as %d\n",
668 			   eng);
669 	}
670 
671 	/* Storage PF is bound to a single engine while L2 PF uses both */
672 	if (QED_IS_FCOE_PERSONALITY(p_hwfn) || QED_IS_ISCSI_PERSONALITY(p_hwfn) ||
673 	    QED_IS_NVMETCP_PERSONALITY(p_hwfn))
674 		eng = cdev->fir_affin ? QED_ENG1 : QED_ENG0;
675 	else			/* L2_PERSONALITY */
676 		eng = QED_BOTH_ENG;
677 
678 	for (ppfid = 0; ppfid < cdev->p_llh_info->num_ppfid; ppfid++) {
679 		rc = qed_llh_set_ppfid_affinity(cdev, ppfid, eng);
680 		if (rc) {
681 			DP_NOTICE(cdev,
682 				  "Failed to set the engine affinity of ppfid %d\n",
683 				  ppfid);
684 			return rc;
685 		}
686 	}
687 
688 	DP_VERBOSE(cdev, QED_MSG_SP,
689 		   "LLH: Set the engine affinity of non-RoCE packets as %d\n",
690 		   eng);
691 
692 	return 0;
693 }
694 
qed_llh_hw_init_pf(struct qed_hwfn * p_hwfn,struct qed_ptt * p_ptt)695 static int qed_llh_hw_init_pf(struct qed_hwfn *p_hwfn,
696 			      struct qed_ptt *p_ptt)
697 {
698 	struct qed_dev *cdev = p_hwfn->cdev;
699 	u8 ppfid, abs_ppfid;
700 	int rc;
701 
702 	for (ppfid = 0; ppfid < cdev->p_llh_info->num_ppfid; ppfid++) {
703 		u32 addr;
704 
705 		rc = qed_llh_abs_ppfid(cdev, ppfid, &abs_ppfid);
706 		if (rc)
707 			return rc;
708 
709 		addr = NIG_REG_LLH_PPFID2PFID_TBL_0 + abs_ppfid * 0x4;
710 		qed_wr(p_hwfn, p_ptt, addr, p_hwfn->rel_pf_id);
711 	}
712 
713 	if (test_bit(QED_MF_LLH_MAC_CLSS, &cdev->mf_bits) &&
714 	    !QED_IS_FCOE_PERSONALITY(p_hwfn)) {
715 		rc = qed_llh_add_mac_filter(cdev, 0,
716 					    p_hwfn->hw_info.hw_mac_addr);
717 		if (rc)
718 			DP_NOTICE(cdev,
719 				  "Failed to add an LLH filter with the primary MAC\n");
720 	}
721 
722 	if (QED_IS_CMT(cdev)) {
723 		rc = qed_llh_set_engine_affin(p_hwfn, p_ptt);
724 		if (rc)
725 			return rc;
726 	}
727 
728 	return 0;
729 }
730 
qed_llh_get_num_ppfid(struct qed_dev * cdev)731 u8 qed_llh_get_num_ppfid(struct qed_dev *cdev)
732 {
733 	return cdev->p_llh_info->num_ppfid;
734 }
735 
736 #define NIG_REG_PPF_TO_ENGINE_SEL_ROCE_MASK             0x3
737 #define NIG_REG_PPF_TO_ENGINE_SEL_ROCE_SHIFT            0
738 #define NIG_REG_PPF_TO_ENGINE_SEL_NON_ROCE_MASK         0x3
739 #define NIG_REG_PPF_TO_ENGINE_SEL_NON_ROCE_SHIFT        2
740 
qed_llh_set_ppfid_affinity(struct qed_dev * cdev,u8 ppfid,enum qed_eng eng)741 int qed_llh_set_ppfid_affinity(struct qed_dev *cdev, u8 ppfid, enum qed_eng eng)
742 {
743 	struct qed_hwfn *p_hwfn = QED_LEADING_HWFN(cdev);
744 	struct qed_ptt *p_ptt = qed_ptt_acquire(p_hwfn);
745 	u32 addr, val, eng_sel;
746 	u8 abs_ppfid;
747 	int rc = 0;
748 
749 	if (!p_ptt)
750 		return -EAGAIN;
751 
752 	if (!QED_IS_CMT(cdev))
753 		goto out;
754 
755 	rc = qed_llh_abs_ppfid(cdev, ppfid, &abs_ppfid);
756 	if (rc)
757 		goto out;
758 
759 	switch (eng) {
760 	case QED_ENG0:
761 		eng_sel = 0;
762 		break;
763 	case QED_ENG1:
764 		eng_sel = 1;
765 		break;
766 	case QED_BOTH_ENG:
767 		eng_sel = 2;
768 		break;
769 	default:
770 		DP_NOTICE(cdev, "Invalid affinity value for ppfid [%d]\n", eng);
771 		rc = -EINVAL;
772 		goto out;
773 	}
774 
775 	addr = NIG_REG_PPF_TO_ENGINE_SEL + abs_ppfid * 0x4;
776 	val = qed_rd(p_hwfn, p_ptt, addr);
777 	SET_FIELD(val, NIG_REG_PPF_TO_ENGINE_SEL_NON_ROCE, eng_sel);
778 	qed_wr(p_hwfn, p_ptt, addr, val);
779 
780 	/* The iWARP affinity is set as the affinity of ppfid 0 */
781 	if (!ppfid && QED_IS_IWARP_PERSONALITY(p_hwfn))
782 		cdev->iwarp_affin = (eng == QED_ENG1) ? 1 : 0;
783 out:
784 	qed_ptt_release(p_hwfn, p_ptt);
785 
786 	return rc;
787 }
788 
qed_llh_set_roce_affinity(struct qed_dev * cdev,enum qed_eng eng)789 int qed_llh_set_roce_affinity(struct qed_dev *cdev, enum qed_eng eng)
790 {
791 	struct qed_hwfn *p_hwfn = QED_LEADING_HWFN(cdev);
792 	struct qed_ptt *p_ptt = qed_ptt_acquire(p_hwfn);
793 	u32 addr, val, eng_sel;
794 	u8 ppfid, abs_ppfid;
795 	int rc = 0;
796 
797 	if (!p_ptt)
798 		return -EAGAIN;
799 
800 	if (!QED_IS_CMT(cdev))
801 		goto out;
802 
803 	switch (eng) {
804 	case QED_ENG0:
805 		eng_sel = 0;
806 		break;
807 	case QED_ENG1:
808 		eng_sel = 1;
809 		break;
810 	case QED_BOTH_ENG:
811 		eng_sel = 2;
812 		qed_wr(p_hwfn, p_ptt, NIG_REG_LLH_ENG_CLS_ROCE_QP_SEL,
813 		       0xf);  /* QP bit 15 */
814 		break;
815 	default:
816 		DP_NOTICE(cdev, "Invalid affinity value for RoCE [%d]\n", eng);
817 		rc = -EINVAL;
818 		goto out;
819 	}
820 
821 	for (ppfid = 0; ppfid < cdev->p_llh_info->num_ppfid; ppfid++) {
822 		rc = qed_llh_abs_ppfid(cdev, ppfid, &abs_ppfid);
823 		if (rc)
824 			goto out;
825 
826 		addr = NIG_REG_PPF_TO_ENGINE_SEL + abs_ppfid * 0x4;
827 		val = qed_rd(p_hwfn, p_ptt, addr);
828 		SET_FIELD(val, NIG_REG_PPF_TO_ENGINE_SEL_ROCE, eng_sel);
829 		qed_wr(p_hwfn, p_ptt, addr, val);
830 	}
831 out:
832 	qed_ptt_release(p_hwfn, p_ptt);
833 
834 	return rc;
835 }
836 
837 struct qed_llh_filter_details {
838 	u64 value;
839 	u32 mode;
840 	u32 protocol_type;
841 	u32 hdr_sel;
842 	u32 enable;
843 };
844 
845 static int
qed_llh_access_filter(struct qed_hwfn * p_hwfn,struct qed_ptt * p_ptt,u8 abs_ppfid,u8 filter_idx,struct qed_llh_filter_details * p_details)846 qed_llh_access_filter(struct qed_hwfn *p_hwfn,
847 		      struct qed_ptt *p_ptt,
848 		      u8 abs_ppfid,
849 		      u8 filter_idx,
850 		      struct qed_llh_filter_details *p_details)
851 {
852 	struct qed_dmae_params params = {0};
853 	u32 addr;
854 	u8 pfid;
855 	int rc;
856 
857 	/* The NIG/LLH registers that are accessed in this function have only 16
858 	 * rows which are exposed to a PF. I.e. only the 16 filters of its
859 	 * default ppfid. Accessing filters of other ppfids requires pretending
860 	 * to another PFs.
861 	 * The calculation of PPFID->PFID in AH is based on the relative index
862 	 * of a PF on its port.
863 	 * For BB the pfid is actually the abs_ppfid.
864 	 */
865 	if (QED_IS_BB(p_hwfn->cdev))
866 		pfid = abs_ppfid;
867 	else
868 		pfid = abs_ppfid * p_hwfn->cdev->num_ports_in_engine +
869 		    MFW_PORT(p_hwfn);
870 
871 	/* Filter enable - should be done first when removing a filter */
872 	if (!p_details->enable) {
873 		qed_fid_pretend(p_hwfn, p_ptt,
874 				pfid << PXP_PRETEND_CONCRETE_FID_PFID_SHIFT);
875 
876 		addr = NIG_REG_LLH_FUNC_FILTER_EN + filter_idx * 0x4;
877 		qed_wr(p_hwfn, p_ptt, addr, p_details->enable);
878 
879 		qed_fid_pretend(p_hwfn, p_ptt,
880 				p_hwfn->rel_pf_id <<
881 				PXP_PRETEND_CONCRETE_FID_PFID_SHIFT);
882 	}
883 
884 	/* Filter value */
885 	addr = NIG_REG_LLH_FUNC_FILTER_VALUE + 2 * filter_idx * 0x4;
886 
887 	SET_FIELD(params.flags, QED_DMAE_PARAMS_DST_PF_VALID, 0x1);
888 	params.dst_pfid = pfid;
889 	rc = qed_dmae_host2grc(p_hwfn,
890 			       p_ptt,
891 			       (u64)(uintptr_t)&p_details->value,
892 			       addr, 2 /* size_in_dwords */,
893 			       &params);
894 	if (rc)
895 		return rc;
896 
897 	qed_fid_pretend(p_hwfn, p_ptt,
898 			pfid << PXP_PRETEND_CONCRETE_FID_PFID_SHIFT);
899 
900 	/* Filter mode */
901 	addr = NIG_REG_LLH_FUNC_FILTER_MODE + filter_idx * 0x4;
902 	qed_wr(p_hwfn, p_ptt, addr, p_details->mode);
903 
904 	/* Filter protocol type */
905 	addr = NIG_REG_LLH_FUNC_FILTER_PROTOCOL_TYPE + filter_idx * 0x4;
906 	qed_wr(p_hwfn, p_ptt, addr, p_details->protocol_type);
907 
908 	/* Filter header select */
909 	addr = NIG_REG_LLH_FUNC_FILTER_HDR_SEL + filter_idx * 0x4;
910 	qed_wr(p_hwfn, p_ptt, addr, p_details->hdr_sel);
911 
912 	/* Filter enable - should be done last when adding a filter */
913 	if (p_details->enable) {
914 		addr = NIG_REG_LLH_FUNC_FILTER_EN + filter_idx * 0x4;
915 		qed_wr(p_hwfn, p_ptt, addr, p_details->enable);
916 	}
917 
918 	qed_fid_pretend(p_hwfn, p_ptt,
919 			p_hwfn->rel_pf_id <<
920 			PXP_PRETEND_CONCRETE_FID_PFID_SHIFT);
921 
922 	return 0;
923 }
924 
925 static int
qed_llh_add_filter(struct qed_hwfn * p_hwfn,struct qed_ptt * p_ptt,u8 abs_ppfid,u8 filter_idx,u8 filter_prot_type,u32 high,u32 low)926 qed_llh_add_filter(struct qed_hwfn *p_hwfn,
927 		   struct qed_ptt *p_ptt,
928 		   u8 abs_ppfid,
929 		   u8 filter_idx, u8 filter_prot_type, u32 high, u32 low)
930 {
931 	struct qed_llh_filter_details filter_details;
932 
933 	filter_details.enable = 1;
934 	filter_details.value = ((u64)high << 32) | low;
935 	filter_details.hdr_sel = 0;
936 	filter_details.protocol_type = filter_prot_type;
937 	/* Mode: 0: MAC-address classification 1: protocol classification */
938 	filter_details.mode = filter_prot_type ? 1 : 0;
939 
940 	return qed_llh_access_filter(p_hwfn, p_ptt, abs_ppfid, filter_idx,
941 				     &filter_details);
942 }
943 
944 static int
qed_llh_remove_filter(struct qed_hwfn * p_hwfn,struct qed_ptt * p_ptt,u8 abs_ppfid,u8 filter_idx)945 qed_llh_remove_filter(struct qed_hwfn *p_hwfn,
946 		      struct qed_ptt *p_ptt, u8 abs_ppfid, u8 filter_idx)
947 {
948 	struct qed_llh_filter_details filter_details = {0};
949 
950 	return qed_llh_access_filter(p_hwfn, p_ptt, abs_ppfid, filter_idx,
951 				     &filter_details);
952 }
953 
qed_llh_add_mac_filter(struct qed_dev * cdev,u8 ppfid,const u8 mac_addr[ETH_ALEN])954 int qed_llh_add_mac_filter(struct qed_dev *cdev,
955 			   u8 ppfid, const u8 mac_addr[ETH_ALEN])
956 {
957 	struct qed_hwfn *p_hwfn = QED_LEADING_HWFN(cdev);
958 	struct qed_ptt *p_ptt = qed_ptt_acquire(p_hwfn);
959 	union qed_llh_filter filter = {};
960 	u8 filter_idx, abs_ppfid = 0;
961 	u32 high, low, ref_cnt;
962 	int rc = 0;
963 
964 	if (!p_ptt)
965 		return -EAGAIN;
966 
967 	if (!test_bit(QED_MF_LLH_MAC_CLSS, &cdev->mf_bits))
968 		goto out;
969 
970 	memcpy(filter.mac.addr, mac_addr, ETH_ALEN);
971 	rc = qed_llh_shadow_add_filter(cdev, ppfid,
972 				       QED_LLH_FILTER_TYPE_MAC,
973 				       &filter, &filter_idx, &ref_cnt);
974 	if (rc)
975 		goto err;
976 
977 	/* Configure the LLH only in case of a new the filter */
978 	if (ref_cnt == 1) {
979 		rc = qed_llh_abs_ppfid(cdev, ppfid, &abs_ppfid);
980 		if (rc)
981 			goto err;
982 
983 		high = mac_addr[1] | (mac_addr[0] << 8);
984 		low = mac_addr[5] | (mac_addr[4] << 8) | (mac_addr[3] << 16) |
985 		      (mac_addr[2] << 24);
986 		rc = qed_llh_add_filter(p_hwfn, p_ptt, abs_ppfid, filter_idx,
987 					0, high, low);
988 		if (rc)
989 			goto err;
990 	}
991 
992 	DP_VERBOSE(cdev,
993 		   QED_MSG_SP,
994 		   "LLH: Added MAC filter [%pM] to ppfid %hhd [abs %hhd] at idx %hhd [ref_cnt %d]\n",
995 		   mac_addr, ppfid, abs_ppfid, filter_idx, ref_cnt);
996 
997 	goto out;
998 
999 err:	DP_NOTICE(cdev,
1000 		  "LLH: Failed to add MAC filter [%pM] to ppfid %hhd\n",
1001 		  mac_addr, ppfid);
1002 out:
1003 	qed_ptt_release(p_hwfn, p_ptt);
1004 
1005 	return rc;
1006 }
1007 
1008 static int
qed_llh_protocol_filter_stringify(struct qed_dev * cdev,enum qed_llh_prot_filter_type_t type,u16 source_port_or_eth_type,u16 dest_port,u8 * str,size_t str_len)1009 qed_llh_protocol_filter_stringify(struct qed_dev *cdev,
1010 				  enum qed_llh_prot_filter_type_t type,
1011 				  u16 source_port_or_eth_type,
1012 				  u16 dest_port, u8 *str, size_t str_len)
1013 {
1014 	switch (type) {
1015 	case QED_LLH_FILTER_ETHERTYPE:
1016 		snprintf(str, str_len, "Ethertype 0x%04x",
1017 			 source_port_or_eth_type);
1018 		break;
1019 	case QED_LLH_FILTER_TCP_SRC_PORT:
1020 		snprintf(str, str_len, "TCP src port 0x%04x",
1021 			 source_port_or_eth_type);
1022 		break;
1023 	case QED_LLH_FILTER_UDP_SRC_PORT:
1024 		snprintf(str, str_len, "UDP src port 0x%04x",
1025 			 source_port_or_eth_type);
1026 		break;
1027 	case QED_LLH_FILTER_TCP_DEST_PORT:
1028 		snprintf(str, str_len, "TCP dst port 0x%04x", dest_port);
1029 		break;
1030 	case QED_LLH_FILTER_UDP_DEST_PORT:
1031 		snprintf(str, str_len, "UDP dst port 0x%04x", dest_port);
1032 		break;
1033 	case QED_LLH_FILTER_TCP_SRC_AND_DEST_PORT:
1034 		snprintf(str, str_len, "TCP src/dst ports 0x%04x/0x%04x",
1035 			 source_port_or_eth_type, dest_port);
1036 		break;
1037 	case QED_LLH_FILTER_UDP_SRC_AND_DEST_PORT:
1038 		snprintf(str, str_len, "UDP src/dst ports 0x%04x/0x%04x",
1039 			 source_port_or_eth_type, dest_port);
1040 		break;
1041 	default:
1042 		DP_NOTICE(cdev,
1043 			  "Non valid LLH protocol filter type %d\n", type);
1044 		return -EINVAL;
1045 	}
1046 
1047 	return 0;
1048 }
1049 
1050 static int
qed_llh_protocol_filter_to_hilo(struct qed_dev * cdev,enum qed_llh_prot_filter_type_t type,u16 source_port_or_eth_type,u16 dest_port,u32 * p_high,u32 * p_low)1051 qed_llh_protocol_filter_to_hilo(struct qed_dev *cdev,
1052 				enum qed_llh_prot_filter_type_t type,
1053 				u16 source_port_or_eth_type,
1054 				u16 dest_port, u32 *p_high, u32 *p_low)
1055 {
1056 	*p_high = 0;
1057 	*p_low = 0;
1058 
1059 	switch (type) {
1060 	case QED_LLH_FILTER_ETHERTYPE:
1061 		*p_high = source_port_or_eth_type;
1062 		break;
1063 	case QED_LLH_FILTER_TCP_SRC_PORT:
1064 	case QED_LLH_FILTER_UDP_SRC_PORT:
1065 		*p_low = source_port_or_eth_type << 16;
1066 		break;
1067 	case QED_LLH_FILTER_TCP_DEST_PORT:
1068 	case QED_LLH_FILTER_UDP_DEST_PORT:
1069 		*p_low = dest_port;
1070 		break;
1071 	case QED_LLH_FILTER_TCP_SRC_AND_DEST_PORT:
1072 	case QED_LLH_FILTER_UDP_SRC_AND_DEST_PORT:
1073 		*p_low = (source_port_or_eth_type << 16) | dest_port;
1074 		break;
1075 	default:
1076 		DP_NOTICE(cdev,
1077 			  "Non valid LLH protocol filter type %d\n", type);
1078 		return -EINVAL;
1079 	}
1080 
1081 	return 0;
1082 }
1083 
1084 int
qed_llh_add_protocol_filter(struct qed_dev * cdev,u8 ppfid,enum qed_llh_prot_filter_type_t type,u16 source_port_or_eth_type,u16 dest_port)1085 qed_llh_add_protocol_filter(struct qed_dev *cdev,
1086 			    u8 ppfid,
1087 			    enum qed_llh_prot_filter_type_t type,
1088 			    u16 source_port_or_eth_type, u16 dest_port)
1089 {
1090 	struct qed_hwfn *p_hwfn = QED_LEADING_HWFN(cdev);
1091 	struct qed_ptt *p_ptt = qed_ptt_acquire(p_hwfn);
1092 	u8 filter_idx, abs_ppfid, str[32], type_bitmap;
1093 	union qed_llh_filter filter = {};
1094 	u32 high, low, ref_cnt;
1095 	int rc = 0;
1096 
1097 	if (!p_ptt)
1098 		return -EAGAIN;
1099 
1100 	if (!test_bit(QED_MF_LLH_PROTO_CLSS, &cdev->mf_bits))
1101 		goto out;
1102 
1103 	rc = qed_llh_protocol_filter_stringify(cdev, type,
1104 					       source_port_or_eth_type,
1105 					       dest_port, str, sizeof(str));
1106 	if (rc)
1107 		goto err;
1108 
1109 	filter.protocol.type = type;
1110 	filter.protocol.source_port_or_eth_type = source_port_or_eth_type;
1111 	filter.protocol.dest_port = dest_port;
1112 	rc = qed_llh_shadow_add_filter(cdev,
1113 				       ppfid,
1114 				       QED_LLH_FILTER_TYPE_PROTOCOL,
1115 				       &filter, &filter_idx, &ref_cnt);
1116 	if (rc)
1117 		goto err;
1118 
1119 	rc = qed_llh_abs_ppfid(cdev, ppfid, &abs_ppfid);
1120 	if (rc)
1121 		goto err;
1122 
1123 	/* Configure the LLH only in case of a new the filter */
1124 	if (ref_cnt == 1) {
1125 		rc = qed_llh_protocol_filter_to_hilo(cdev, type,
1126 						     source_port_or_eth_type,
1127 						     dest_port, &high, &low);
1128 		if (rc)
1129 			goto err;
1130 
1131 		type_bitmap = 0x1 << type;
1132 		rc = qed_llh_add_filter(p_hwfn, p_ptt, abs_ppfid,
1133 					filter_idx, type_bitmap, high, low);
1134 		if (rc)
1135 			goto err;
1136 	}
1137 
1138 	DP_VERBOSE(cdev,
1139 		   QED_MSG_SP,
1140 		   "LLH: Added protocol filter [%s] to ppfid %hhd [abs %hhd] at idx %hhd [ref_cnt %d]\n",
1141 		   str, ppfid, abs_ppfid, filter_idx, ref_cnt);
1142 
1143 	goto out;
1144 
1145 err:	DP_NOTICE(p_hwfn,
1146 		  "LLH: Failed to add protocol filter [%s] to ppfid %hhd\n",
1147 		  str, ppfid);
1148 out:
1149 	qed_ptt_release(p_hwfn, p_ptt);
1150 
1151 	return rc;
1152 }
1153 
qed_llh_remove_mac_filter(struct qed_dev * cdev,u8 ppfid,u8 mac_addr[ETH_ALEN])1154 void qed_llh_remove_mac_filter(struct qed_dev *cdev,
1155 			       u8 ppfid, u8 mac_addr[ETH_ALEN])
1156 {
1157 	struct qed_hwfn *p_hwfn = QED_LEADING_HWFN(cdev);
1158 	struct qed_ptt *p_ptt = qed_ptt_acquire(p_hwfn);
1159 	union qed_llh_filter filter = {};
1160 	u8 filter_idx, abs_ppfid;
1161 	int rc = 0;
1162 	u32 ref_cnt;
1163 
1164 	if (!p_ptt)
1165 		return;
1166 
1167 	if (!test_bit(QED_MF_LLH_MAC_CLSS, &cdev->mf_bits))
1168 		goto out;
1169 
1170 	if (QED_IS_NVMETCP_PERSONALITY(p_hwfn))
1171 		return;
1172 
1173 	ether_addr_copy(filter.mac.addr, mac_addr);
1174 	rc = qed_llh_shadow_remove_filter(cdev, ppfid, &filter, &filter_idx,
1175 					  &ref_cnt);
1176 	if (rc)
1177 		goto err;
1178 
1179 	rc = qed_llh_abs_ppfid(cdev, ppfid, &abs_ppfid);
1180 	if (rc)
1181 		goto err;
1182 
1183 	/* Remove from the LLH in case the filter is not in use */
1184 	if (!ref_cnt) {
1185 		rc = qed_llh_remove_filter(p_hwfn, p_ptt, abs_ppfid,
1186 					   filter_idx);
1187 		if (rc)
1188 			goto err;
1189 	}
1190 
1191 	DP_VERBOSE(cdev,
1192 		   QED_MSG_SP,
1193 		   "LLH: Removed MAC filter [%pM] from ppfid %hhd [abs %hhd] at idx %hhd [ref_cnt %d]\n",
1194 		   mac_addr, ppfid, abs_ppfid, filter_idx, ref_cnt);
1195 
1196 	goto out;
1197 
1198 err:	DP_NOTICE(cdev,
1199 		  "LLH: Failed to remove MAC filter [%pM] from ppfid %hhd\n",
1200 		  mac_addr, ppfid);
1201 out:
1202 	qed_ptt_release(p_hwfn, p_ptt);
1203 }
1204 
qed_llh_remove_protocol_filter(struct qed_dev * cdev,u8 ppfid,enum qed_llh_prot_filter_type_t type,u16 source_port_or_eth_type,u16 dest_port)1205 void qed_llh_remove_protocol_filter(struct qed_dev *cdev,
1206 				    u8 ppfid,
1207 				    enum qed_llh_prot_filter_type_t type,
1208 				    u16 source_port_or_eth_type, u16 dest_port)
1209 {
1210 	struct qed_hwfn *p_hwfn = QED_LEADING_HWFN(cdev);
1211 	struct qed_ptt *p_ptt = qed_ptt_acquire(p_hwfn);
1212 	u8 filter_idx, abs_ppfid, str[32];
1213 	union qed_llh_filter filter = {};
1214 	int rc = 0;
1215 	u32 ref_cnt;
1216 
1217 	if (!p_ptt)
1218 		return;
1219 
1220 	if (!test_bit(QED_MF_LLH_PROTO_CLSS, &cdev->mf_bits))
1221 		goto out;
1222 
1223 	rc = qed_llh_protocol_filter_stringify(cdev, type,
1224 					       source_port_or_eth_type,
1225 					       dest_port, str, sizeof(str));
1226 	if (rc)
1227 		goto err;
1228 
1229 	filter.protocol.type = type;
1230 	filter.protocol.source_port_or_eth_type = source_port_or_eth_type;
1231 	filter.protocol.dest_port = dest_port;
1232 	rc = qed_llh_shadow_remove_filter(cdev, ppfid, &filter, &filter_idx,
1233 					  &ref_cnt);
1234 	if (rc)
1235 		goto err;
1236 
1237 	rc = qed_llh_abs_ppfid(cdev, ppfid, &abs_ppfid);
1238 	if (rc)
1239 		goto err;
1240 
1241 	/* Remove from the LLH in case the filter is not in use */
1242 	if (!ref_cnt) {
1243 		rc = qed_llh_remove_filter(p_hwfn, p_ptt, abs_ppfid,
1244 					   filter_idx);
1245 		if (rc)
1246 			goto err;
1247 	}
1248 
1249 	DP_VERBOSE(cdev,
1250 		   QED_MSG_SP,
1251 		   "LLH: Removed protocol filter [%s] from ppfid %hhd [abs %hhd] at idx %hhd [ref_cnt %d]\n",
1252 		   str, ppfid, abs_ppfid, filter_idx, ref_cnt);
1253 
1254 	goto out;
1255 
1256 err:	DP_NOTICE(cdev,
1257 		  "LLH: Failed to remove protocol filter [%s] from ppfid %hhd\n",
1258 		  str, ppfid);
1259 out:
1260 	qed_ptt_release(p_hwfn, p_ptt);
1261 }
1262 
1263 /******************************* NIG LLH - End ********************************/
1264 
1265 #define QED_MIN_DPIS            (4)
1266 #define QED_MIN_PWM_REGION      (QED_WID_SIZE * QED_MIN_DPIS)
1267 
qed_hw_bar_size(struct qed_hwfn * p_hwfn,struct qed_ptt * p_ptt,enum BAR_ID bar_id)1268 static u32 qed_hw_bar_size(struct qed_hwfn *p_hwfn,
1269 			   struct qed_ptt *p_ptt, enum BAR_ID bar_id)
1270 {
1271 	u32 bar_reg = (bar_id == BAR_ID_0 ?
1272 		       PGLUE_B_REG_PF_BAR0_SIZE : PGLUE_B_REG_PF_BAR1_SIZE);
1273 	u32 val;
1274 
1275 	if (IS_VF(p_hwfn->cdev))
1276 		return qed_vf_hw_bar_size(p_hwfn, bar_id);
1277 
1278 	val = qed_rd(p_hwfn, p_ptt, bar_reg);
1279 	if (val)
1280 		return 1 << (val + 15);
1281 
1282 	/* Old MFW initialized above registered only conditionally */
1283 	if (p_hwfn->cdev->num_hwfns > 1) {
1284 		DP_INFO(p_hwfn,
1285 			"BAR size not configured. Assuming BAR size of 256kB for GRC and 512kB for DB\n");
1286 			return BAR_ID_0 ? 256 * 1024 : 512 * 1024;
1287 	} else {
1288 		DP_INFO(p_hwfn,
1289 			"BAR size not configured. Assuming BAR size of 512kB for GRC and 512kB for DB\n");
1290 			return 512 * 1024;
1291 	}
1292 }
1293 
qed_init_dp(struct qed_dev * cdev,u32 dp_module,u8 dp_level)1294 void qed_init_dp(struct qed_dev *cdev, u32 dp_module, u8 dp_level)
1295 {
1296 	u32 i;
1297 
1298 	cdev->dp_level = dp_level;
1299 	cdev->dp_module = dp_module;
1300 	for (i = 0; i < MAX_HWFNS_PER_DEVICE; i++) {
1301 		struct qed_hwfn *p_hwfn = &cdev->hwfns[i];
1302 
1303 		p_hwfn->dp_level = dp_level;
1304 		p_hwfn->dp_module = dp_module;
1305 	}
1306 }
1307 
qed_init_struct(struct qed_dev * cdev)1308 void qed_init_struct(struct qed_dev *cdev)
1309 {
1310 	u8 i;
1311 
1312 	for (i = 0; i < MAX_HWFNS_PER_DEVICE; i++) {
1313 		struct qed_hwfn *p_hwfn = &cdev->hwfns[i];
1314 
1315 		p_hwfn->cdev = cdev;
1316 		p_hwfn->my_id = i;
1317 		p_hwfn->b_active = false;
1318 
1319 		mutex_init(&p_hwfn->dmae_info.mutex);
1320 	}
1321 
1322 	/* hwfn 0 is always active */
1323 	cdev->hwfns[0].b_active = true;
1324 
1325 	/* set the default cache alignment to 128 */
1326 	cdev->cache_shift = 7;
1327 }
1328 
qed_qm_info_free(struct qed_hwfn * p_hwfn)1329 static void qed_qm_info_free(struct qed_hwfn *p_hwfn)
1330 {
1331 	struct qed_qm_info *qm_info = &p_hwfn->qm_info;
1332 
1333 	kfree(qm_info->qm_pq_params);
1334 	qm_info->qm_pq_params = NULL;
1335 	kfree(qm_info->qm_vport_params);
1336 	qm_info->qm_vport_params = NULL;
1337 	kfree(qm_info->qm_port_params);
1338 	qm_info->qm_port_params = NULL;
1339 	kfree(qm_info->wfq_data);
1340 	qm_info->wfq_data = NULL;
1341 }
1342 
qed_dbg_user_data_free(struct qed_hwfn * p_hwfn)1343 static void qed_dbg_user_data_free(struct qed_hwfn *p_hwfn)
1344 {
1345 	kfree(p_hwfn->dbg_user_info);
1346 	p_hwfn->dbg_user_info = NULL;
1347 }
1348 
qed_resc_free(struct qed_dev * cdev)1349 void qed_resc_free(struct qed_dev *cdev)
1350 {
1351 	struct qed_rdma_info *rdma_info;
1352 	struct qed_hwfn *p_hwfn;
1353 	int i;
1354 
1355 	if (IS_VF(cdev)) {
1356 		for_each_hwfn(cdev, i)
1357 			qed_l2_free(&cdev->hwfns[i]);
1358 		return;
1359 	}
1360 
1361 	kfree(cdev->fw_data);
1362 	cdev->fw_data = NULL;
1363 
1364 	kfree(cdev->reset_stats);
1365 	cdev->reset_stats = NULL;
1366 
1367 	qed_llh_free(cdev);
1368 
1369 	for_each_hwfn(cdev, i) {
1370 		p_hwfn = cdev->hwfns + i;
1371 		rdma_info = p_hwfn->p_rdma_info;
1372 
1373 		qed_cxt_mngr_free(p_hwfn);
1374 		qed_qm_info_free(p_hwfn);
1375 		qed_spq_free(p_hwfn);
1376 		qed_eq_free(p_hwfn);
1377 		qed_consq_free(p_hwfn);
1378 		qed_int_free(p_hwfn);
1379 #ifdef CONFIG_QED_LL2
1380 		qed_ll2_free(p_hwfn);
1381 #endif
1382 		if (p_hwfn->hw_info.personality == QED_PCI_FCOE)
1383 			qed_fcoe_free(p_hwfn);
1384 
1385 		if (p_hwfn->hw_info.personality == QED_PCI_ISCSI) {
1386 			qed_iscsi_free(p_hwfn);
1387 			qed_ooo_free(p_hwfn);
1388 		}
1389 
1390 		if (p_hwfn->hw_info.personality == QED_PCI_NVMETCP) {
1391 			qed_nvmetcp_free(p_hwfn);
1392 			qed_ooo_free(p_hwfn);
1393 		}
1394 
1395 		if (QED_IS_RDMA_PERSONALITY(p_hwfn) && rdma_info) {
1396 			qed_spq_unregister_async_cb(p_hwfn, rdma_info->proto);
1397 			qed_rdma_info_free(p_hwfn);
1398 		}
1399 
1400 		qed_spq_unregister_async_cb(p_hwfn, PROTOCOLID_COMMON);
1401 		qed_iov_free(p_hwfn);
1402 		qed_l2_free(p_hwfn);
1403 		qed_dmae_info_free(p_hwfn);
1404 		qed_dcbx_info_free(p_hwfn);
1405 		qed_dbg_user_data_free(p_hwfn);
1406 		qed_fw_overlay_mem_free(p_hwfn, &p_hwfn->fw_overlay_mem);
1407 
1408 		/* Destroy doorbell recovery mechanism */
1409 		qed_db_recovery_teardown(p_hwfn);
1410 	}
1411 }
1412 
1413 /******************** QM initialization *******************/
1414 #define ACTIVE_TCS_BMAP 0x9f
1415 #define ACTIVE_TCS_BMAP_4PORT_K2 0xf
1416 
1417 /* determines the physical queue flags for a given PF. */
qed_get_pq_flags(struct qed_hwfn * p_hwfn)1418 static u32 qed_get_pq_flags(struct qed_hwfn *p_hwfn)
1419 {
1420 	u32 flags;
1421 
1422 	/* common flags */
1423 	flags = PQ_FLAGS_LB;
1424 
1425 	/* feature flags */
1426 	if (IS_QED_SRIOV(p_hwfn->cdev))
1427 		flags |= PQ_FLAGS_VFS;
1428 
1429 	/* protocol flags */
1430 	switch (p_hwfn->hw_info.personality) {
1431 	case QED_PCI_ETH:
1432 		flags |= PQ_FLAGS_MCOS;
1433 		break;
1434 	case QED_PCI_FCOE:
1435 		flags |= PQ_FLAGS_OFLD;
1436 		break;
1437 	case QED_PCI_ISCSI:
1438 	case QED_PCI_NVMETCP:
1439 		flags |= PQ_FLAGS_ACK | PQ_FLAGS_OOO | PQ_FLAGS_OFLD;
1440 		break;
1441 	case QED_PCI_ETH_ROCE:
1442 		flags |= PQ_FLAGS_MCOS | PQ_FLAGS_OFLD | PQ_FLAGS_LLT;
1443 		if (IS_QED_MULTI_TC_ROCE(p_hwfn))
1444 			flags |= PQ_FLAGS_MTC;
1445 		break;
1446 	case QED_PCI_ETH_IWARP:
1447 		flags |= PQ_FLAGS_MCOS | PQ_FLAGS_ACK | PQ_FLAGS_OOO |
1448 		    PQ_FLAGS_OFLD;
1449 		break;
1450 	default:
1451 		DP_ERR(p_hwfn,
1452 		       "unknown personality %d\n", p_hwfn->hw_info.personality);
1453 		return 0;
1454 	}
1455 
1456 	return flags;
1457 }
1458 
1459 /* Getters for resource amounts necessary for qm initialization */
qed_init_qm_get_num_tcs(struct qed_hwfn * p_hwfn)1460 static u8 qed_init_qm_get_num_tcs(struct qed_hwfn *p_hwfn)
1461 {
1462 	return p_hwfn->hw_info.num_hw_tc;
1463 }
1464 
qed_init_qm_get_num_vfs(struct qed_hwfn * p_hwfn)1465 static u16 qed_init_qm_get_num_vfs(struct qed_hwfn *p_hwfn)
1466 {
1467 	return IS_QED_SRIOV(p_hwfn->cdev) ?
1468 	       p_hwfn->cdev->p_iov_info->total_vfs : 0;
1469 }
1470 
qed_init_qm_get_num_mtc_tcs(struct qed_hwfn * p_hwfn)1471 static u8 qed_init_qm_get_num_mtc_tcs(struct qed_hwfn *p_hwfn)
1472 {
1473 	u32 pq_flags = qed_get_pq_flags(p_hwfn);
1474 
1475 	if (!(PQ_FLAGS_MTC & pq_flags))
1476 		return 1;
1477 
1478 	return qed_init_qm_get_num_tcs(p_hwfn);
1479 }
1480 
1481 #define NUM_DEFAULT_RLS 1
1482 
qed_init_qm_get_num_pf_rls(struct qed_hwfn * p_hwfn)1483 static u16 qed_init_qm_get_num_pf_rls(struct qed_hwfn *p_hwfn)
1484 {
1485 	u16 num_pf_rls, num_vfs = qed_init_qm_get_num_vfs(p_hwfn);
1486 
1487 	/* num RLs can't exceed resource amount of rls or vports */
1488 	num_pf_rls = (u16)min_t(u32, RESC_NUM(p_hwfn, QED_RL),
1489 				RESC_NUM(p_hwfn, QED_VPORT));
1490 
1491 	/* Make sure after we reserve there's something left */
1492 	if (num_pf_rls < num_vfs + NUM_DEFAULT_RLS)
1493 		return 0;
1494 
1495 	/* subtract rls necessary for VFs and one default one for the PF */
1496 	num_pf_rls -= num_vfs + NUM_DEFAULT_RLS;
1497 
1498 	return num_pf_rls;
1499 }
1500 
qed_init_qm_get_num_vports(struct qed_hwfn * p_hwfn)1501 static u16 qed_init_qm_get_num_vports(struct qed_hwfn *p_hwfn)
1502 {
1503 	u32 pq_flags = qed_get_pq_flags(p_hwfn);
1504 
1505 	/* all pqs share the same vport, except for vfs and pf_rl pqs */
1506 	return (!!(PQ_FLAGS_RLS & pq_flags)) *
1507 	       qed_init_qm_get_num_pf_rls(p_hwfn) +
1508 	       (!!(PQ_FLAGS_VFS & pq_flags)) *
1509 	       qed_init_qm_get_num_vfs(p_hwfn) + 1;
1510 }
1511 
1512 /* calc amount of PQs according to the requested flags */
qed_init_qm_get_num_pqs(struct qed_hwfn * p_hwfn)1513 static u16 qed_init_qm_get_num_pqs(struct qed_hwfn *p_hwfn)
1514 {
1515 	u32 pq_flags = qed_get_pq_flags(p_hwfn);
1516 
1517 	return (!!(PQ_FLAGS_RLS & pq_flags)) *
1518 	       qed_init_qm_get_num_pf_rls(p_hwfn) +
1519 	       (!!(PQ_FLAGS_MCOS & pq_flags)) *
1520 	       qed_init_qm_get_num_tcs(p_hwfn) +
1521 	       (!!(PQ_FLAGS_LB & pq_flags)) + (!!(PQ_FLAGS_OOO & pq_flags)) +
1522 	       (!!(PQ_FLAGS_ACK & pq_flags)) +
1523 	       (!!(PQ_FLAGS_OFLD & pq_flags)) *
1524 	       qed_init_qm_get_num_mtc_tcs(p_hwfn) +
1525 	       (!!(PQ_FLAGS_LLT & pq_flags)) *
1526 	       qed_init_qm_get_num_mtc_tcs(p_hwfn) +
1527 	       (!!(PQ_FLAGS_VFS & pq_flags)) * qed_init_qm_get_num_vfs(p_hwfn);
1528 }
1529 
1530 /* initialize the top level QM params */
qed_init_qm_params(struct qed_hwfn * p_hwfn)1531 static void qed_init_qm_params(struct qed_hwfn *p_hwfn)
1532 {
1533 	struct qed_qm_info *qm_info = &p_hwfn->qm_info;
1534 	bool four_port;
1535 
1536 	/* pq and vport bases for this PF */
1537 	qm_info->start_pq = (u16)RESC_START(p_hwfn, QED_PQ);
1538 	qm_info->start_vport = (u8)RESC_START(p_hwfn, QED_VPORT);
1539 
1540 	/* rate limiting and weighted fair queueing are always enabled */
1541 	qm_info->vport_rl_en = true;
1542 	qm_info->vport_wfq_en = true;
1543 
1544 	/* TC config is different for AH 4 port */
1545 	four_port = p_hwfn->cdev->num_ports_in_engine == MAX_NUM_PORTS_K2;
1546 
1547 	/* in AH 4 port we have fewer TCs per port */
1548 	qm_info->max_phys_tcs_per_port = four_port ? NUM_PHYS_TCS_4PORT_K2 :
1549 						     NUM_OF_PHYS_TCS;
1550 
1551 	/* unless MFW indicated otherwise, ooo_tc == 3 for
1552 	 * AH 4-port and 4 otherwise.
1553 	 */
1554 	if (!qm_info->ooo_tc)
1555 		qm_info->ooo_tc = four_port ? DCBX_TCP_OOO_K2_4PORT_TC :
1556 					      DCBX_TCP_OOO_TC;
1557 }
1558 
1559 /* initialize qm vport params */
qed_init_qm_vport_params(struct qed_hwfn * p_hwfn)1560 static void qed_init_qm_vport_params(struct qed_hwfn *p_hwfn)
1561 {
1562 	struct qed_qm_info *qm_info = &p_hwfn->qm_info;
1563 	u8 i;
1564 
1565 	/* all vports participate in weighted fair queueing */
1566 	for (i = 0; i < qed_init_qm_get_num_vports(p_hwfn); i++)
1567 		qm_info->qm_vport_params[i].wfq = 1;
1568 }
1569 
1570 /* initialize qm port params */
qed_init_qm_port_params(struct qed_hwfn * p_hwfn)1571 static void qed_init_qm_port_params(struct qed_hwfn *p_hwfn)
1572 {
1573 	/* Initialize qm port parameters */
1574 	u8 i, active_phys_tcs, num_ports = p_hwfn->cdev->num_ports_in_engine;
1575 	struct qed_dev *cdev = p_hwfn->cdev;
1576 
1577 	/* indicate how ooo and high pri traffic is dealt with */
1578 	active_phys_tcs = num_ports == MAX_NUM_PORTS_K2 ?
1579 			  ACTIVE_TCS_BMAP_4PORT_K2 :
1580 			  ACTIVE_TCS_BMAP;
1581 
1582 	for (i = 0; i < num_ports; i++) {
1583 		struct init_qm_port_params *p_qm_port =
1584 		    &p_hwfn->qm_info.qm_port_params[i];
1585 		u16 pbf_max_cmd_lines;
1586 
1587 		p_qm_port->active = 1;
1588 		p_qm_port->active_phys_tcs = active_phys_tcs;
1589 		pbf_max_cmd_lines = (u16)NUM_OF_PBF_CMD_LINES(cdev);
1590 		p_qm_port->num_pbf_cmd_lines = pbf_max_cmd_lines / num_ports;
1591 		p_qm_port->num_btb_blocks = NUM_OF_BTB_BLOCKS(cdev) / num_ports;
1592 	}
1593 }
1594 
1595 /* Reset the params which must be reset for qm init. QM init may be called as
1596  * a result of flows other than driver load (e.g. dcbx renegotiation). Other
1597  * params may be affected by the init but would simply recalculate to the same
1598  * values. The allocations made for QM init, ports, vports, pqs and vfqs are not
1599  * affected as these amounts stay the same.
1600  */
qed_init_qm_reset_params(struct qed_hwfn * p_hwfn)1601 static void qed_init_qm_reset_params(struct qed_hwfn *p_hwfn)
1602 {
1603 	struct qed_qm_info *qm_info = &p_hwfn->qm_info;
1604 
1605 	qm_info->num_pqs = 0;
1606 	qm_info->num_vports = 0;
1607 	qm_info->num_pf_rls = 0;
1608 	qm_info->num_vf_pqs = 0;
1609 	qm_info->first_vf_pq = 0;
1610 	qm_info->first_mcos_pq = 0;
1611 	qm_info->first_rl_pq = 0;
1612 }
1613 
qed_init_qm_advance_vport(struct qed_hwfn * p_hwfn)1614 static void qed_init_qm_advance_vport(struct qed_hwfn *p_hwfn)
1615 {
1616 	struct qed_qm_info *qm_info = &p_hwfn->qm_info;
1617 
1618 	qm_info->num_vports++;
1619 
1620 	if (qm_info->num_vports > qed_init_qm_get_num_vports(p_hwfn))
1621 		DP_ERR(p_hwfn,
1622 		       "vport overflow! qm_info->num_vports %d, qm_init_get_num_vports() %d\n",
1623 		       qm_info->num_vports, qed_init_qm_get_num_vports(p_hwfn));
1624 }
1625 
1626 /* initialize a single pq and manage qm_info resources accounting.
1627  * The pq_init_flags param determines whether the PQ is rate limited
1628  * (for VF or PF) and whether a new vport is allocated to the pq or not
1629  * (i.e. vport will be shared).
1630  */
1631 
1632 /* flags for pq init */
1633 #define PQ_INIT_SHARE_VPORT     BIT(0)
1634 #define PQ_INIT_PF_RL           BIT(1)
1635 #define PQ_INIT_VF_RL           BIT(2)
1636 
1637 /* defines for pq init */
1638 #define PQ_INIT_DEFAULT_WRR_GROUP       1
1639 #define PQ_INIT_DEFAULT_TC              0
1640 
qed_hw_info_set_offload_tc(struct qed_hw_info * p_info,u8 tc)1641 void qed_hw_info_set_offload_tc(struct qed_hw_info *p_info, u8 tc)
1642 {
1643 	p_info->offload_tc = tc;
1644 	p_info->offload_tc_set = true;
1645 }
1646 
qed_is_offload_tc_set(struct qed_hwfn * p_hwfn)1647 static bool qed_is_offload_tc_set(struct qed_hwfn *p_hwfn)
1648 {
1649 	return p_hwfn->hw_info.offload_tc_set;
1650 }
1651 
qed_get_offload_tc(struct qed_hwfn * p_hwfn)1652 static u32 qed_get_offload_tc(struct qed_hwfn *p_hwfn)
1653 {
1654 	if (qed_is_offload_tc_set(p_hwfn))
1655 		return p_hwfn->hw_info.offload_tc;
1656 
1657 	return PQ_INIT_DEFAULT_TC;
1658 }
1659 
qed_init_qm_pq(struct qed_hwfn * p_hwfn,struct qed_qm_info * qm_info,u8 tc,u32 pq_init_flags)1660 static void qed_init_qm_pq(struct qed_hwfn *p_hwfn,
1661 			   struct qed_qm_info *qm_info,
1662 			   u8 tc, u32 pq_init_flags)
1663 {
1664 	u16 pq_idx = qm_info->num_pqs, max_pq = qed_init_qm_get_num_pqs(p_hwfn);
1665 
1666 	if (pq_idx > max_pq)
1667 		DP_ERR(p_hwfn,
1668 		       "pq overflow! pq %d, max pq %d\n", pq_idx, max_pq);
1669 
1670 	/* init pq params */
1671 	qm_info->qm_pq_params[pq_idx].port_id = p_hwfn->port_id;
1672 	qm_info->qm_pq_params[pq_idx].vport_id = qm_info->start_vport +
1673 	    qm_info->num_vports;
1674 	qm_info->qm_pq_params[pq_idx].tc_id = tc;
1675 	qm_info->qm_pq_params[pq_idx].wrr_group = PQ_INIT_DEFAULT_WRR_GROUP;
1676 	qm_info->qm_pq_params[pq_idx].rl_valid =
1677 	    (pq_init_flags & PQ_INIT_PF_RL || pq_init_flags & PQ_INIT_VF_RL);
1678 
1679 	/* qm params accounting */
1680 	qm_info->num_pqs++;
1681 	if (!(pq_init_flags & PQ_INIT_SHARE_VPORT))
1682 		qm_info->num_vports++;
1683 
1684 	if (pq_init_flags & PQ_INIT_PF_RL)
1685 		qm_info->num_pf_rls++;
1686 
1687 	if (qm_info->num_vports > qed_init_qm_get_num_vports(p_hwfn))
1688 		DP_ERR(p_hwfn,
1689 		       "vport overflow! qm_info->num_vports %d, qm_init_get_num_vports() %d\n",
1690 		       qm_info->num_vports, qed_init_qm_get_num_vports(p_hwfn));
1691 
1692 	if (qm_info->num_pf_rls > qed_init_qm_get_num_pf_rls(p_hwfn))
1693 		DP_ERR(p_hwfn,
1694 		       "rl overflow! qm_info->num_pf_rls %d, qm_init_get_num_pf_rls() %d\n",
1695 		       qm_info->num_pf_rls, qed_init_qm_get_num_pf_rls(p_hwfn));
1696 }
1697 
1698 /* get pq index according to PQ_FLAGS */
qed_init_qm_get_idx_from_flags(struct qed_hwfn * p_hwfn,unsigned long pq_flags)1699 static u16 *qed_init_qm_get_idx_from_flags(struct qed_hwfn *p_hwfn,
1700 					   unsigned long pq_flags)
1701 {
1702 	struct qed_qm_info *qm_info = &p_hwfn->qm_info;
1703 
1704 	/* Can't have multiple flags set here */
1705 	if (bitmap_weight(&pq_flags,
1706 			  sizeof(pq_flags) * BITS_PER_BYTE) > 1) {
1707 		DP_ERR(p_hwfn, "requested multiple pq flags 0x%lx\n", pq_flags);
1708 		goto err;
1709 	}
1710 
1711 	if (!(qed_get_pq_flags(p_hwfn) & pq_flags)) {
1712 		DP_ERR(p_hwfn, "pq flag 0x%lx is not set\n", pq_flags);
1713 		goto err;
1714 	}
1715 
1716 	switch (pq_flags) {
1717 	case PQ_FLAGS_RLS:
1718 		return &qm_info->first_rl_pq;
1719 	case PQ_FLAGS_MCOS:
1720 		return &qm_info->first_mcos_pq;
1721 	case PQ_FLAGS_LB:
1722 		return &qm_info->pure_lb_pq;
1723 	case PQ_FLAGS_OOO:
1724 		return &qm_info->ooo_pq;
1725 	case PQ_FLAGS_ACK:
1726 		return &qm_info->pure_ack_pq;
1727 	case PQ_FLAGS_OFLD:
1728 		return &qm_info->first_ofld_pq;
1729 	case PQ_FLAGS_LLT:
1730 		return &qm_info->first_llt_pq;
1731 	case PQ_FLAGS_VFS:
1732 		return &qm_info->first_vf_pq;
1733 	default:
1734 		goto err;
1735 	}
1736 
1737 err:
1738 	return &qm_info->start_pq;
1739 }
1740 
1741 /* save pq index in qm info */
qed_init_qm_set_idx(struct qed_hwfn * p_hwfn,u32 pq_flags,u16 pq_val)1742 static void qed_init_qm_set_idx(struct qed_hwfn *p_hwfn,
1743 				u32 pq_flags, u16 pq_val)
1744 {
1745 	u16 *base_pq_idx = qed_init_qm_get_idx_from_flags(p_hwfn, pq_flags);
1746 
1747 	*base_pq_idx = p_hwfn->qm_info.start_pq + pq_val;
1748 }
1749 
1750 /* get tx pq index, with the PQ TX base already set (ready for context init) */
qed_get_cm_pq_idx(struct qed_hwfn * p_hwfn,u32 pq_flags)1751 u16 qed_get_cm_pq_idx(struct qed_hwfn *p_hwfn, u32 pq_flags)
1752 {
1753 	u16 *base_pq_idx = qed_init_qm_get_idx_from_flags(p_hwfn, pq_flags);
1754 
1755 	return *base_pq_idx + CM_TX_PQ_BASE;
1756 }
1757 
qed_get_cm_pq_idx_mcos(struct qed_hwfn * p_hwfn,u8 tc)1758 u16 qed_get_cm_pq_idx_mcos(struct qed_hwfn *p_hwfn, u8 tc)
1759 {
1760 	u8 max_tc = qed_init_qm_get_num_tcs(p_hwfn);
1761 
1762 	if (max_tc == 0) {
1763 		DP_ERR(p_hwfn, "pq with flag 0x%lx do not exist\n",
1764 		       PQ_FLAGS_MCOS);
1765 		return p_hwfn->qm_info.start_pq;
1766 	}
1767 
1768 	if (tc > max_tc)
1769 		DP_ERR(p_hwfn, "tc %d must be smaller than %d\n", tc, max_tc);
1770 
1771 	return qed_get_cm_pq_idx(p_hwfn, PQ_FLAGS_MCOS) + (tc % max_tc);
1772 }
1773 
qed_get_cm_pq_idx_vf(struct qed_hwfn * p_hwfn,u16 vf)1774 u16 qed_get_cm_pq_idx_vf(struct qed_hwfn *p_hwfn, u16 vf)
1775 {
1776 	u16 max_vf = qed_init_qm_get_num_vfs(p_hwfn);
1777 
1778 	if (max_vf == 0) {
1779 		DP_ERR(p_hwfn, "pq with flag 0x%lx do not exist\n",
1780 		       PQ_FLAGS_VFS);
1781 		return p_hwfn->qm_info.start_pq;
1782 	}
1783 
1784 	if (vf > max_vf)
1785 		DP_ERR(p_hwfn, "vf %d must be smaller than %d\n", vf, max_vf);
1786 
1787 	return qed_get_cm_pq_idx(p_hwfn, PQ_FLAGS_VFS) + (vf % max_vf);
1788 }
1789 
qed_get_cm_pq_idx_ofld_mtc(struct qed_hwfn * p_hwfn,u8 tc)1790 u16 qed_get_cm_pq_idx_ofld_mtc(struct qed_hwfn *p_hwfn, u8 tc)
1791 {
1792 	u16 first_ofld_pq, pq_offset;
1793 
1794 	first_ofld_pq = qed_get_cm_pq_idx(p_hwfn, PQ_FLAGS_OFLD);
1795 	pq_offset = (tc < qed_init_qm_get_num_mtc_tcs(p_hwfn)) ?
1796 		    tc : PQ_INIT_DEFAULT_TC;
1797 
1798 	return first_ofld_pq + pq_offset;
1799 }
1800 
qed_get_cm_pq_idx_llt_mtc(struct qed_hwfn * p_hwfn,u8 tc)1801 u16 qed_get_cm_pq_idx_llt_mtc(struct qed_hwfn *p_hwfn, u8 tc)
1802 {
1803 	u16 first_llt_pq, pq_offset;
1804 
1805 	first_llt_pq = qed_get_cm_pq_idx(p_hwfn, PQ_FLAGS_LLT);
1806 	pq_offset = (tc < qed_init_qm_get_num_mtc_tcs(p_hwfn)) ?
1807 		    tc : PQ_INIT_DEFAULT_TC;
1808 
1809 	return first_llt_pq + pq_offset;
1810 }
1811 
1812 /* Functions for creating specific types of pqs */
qed_init_qm_lb_pq(struct qed_hwfn * p_hwfn)1813 static void qed_init_qm_lb_pq(struct qed_hwfn *p_hwfn)
1814 {
1815 	struct qed_qm_info *qm_info = &p_hwfn->qm_info;
1816 
1817 	if (!(qed_get_pq_flags(p_hwfn) & PQ_FLAGS_LB))
1818 		return;
1819 
1820 	qed_init_qm_set_idx(p_hwfn, PQ_FLAGS_LB, qm_info->num_pqs);
1821 	qed_init_qm_pq(p_hwfn, qm_info, PURE_LB_TC, PQ_INIT_SHARE_VPORT);
1822 }
1823 
qed_init_qm_ooo_pq(struct qed_hwfn * p_hwfn)1824 static void qed_init_qm_ooo_pq(struct qed_hwfn *p_hwfn)
1825 {
1826 	struct qed_qm_info *qm_info = &p_hwfn->qm_info;
1827 
1828 	if (!(qed_get_pq_flags(p_hwfn) & PQ_FLAGS_OOO))
1829 		return;
1830 
1831 	qed_init_qm_set_idx(p_hwfn, PQ_FLAGS_OOO, qm_info->num_pqs);
1832 	qed_init_qm_pq(p_hwfn, qm_info, qm_info->ooo_tc, PQ_INIT_SHARE_VPORT);
1833 }
1834 
qed_init_qm_pure_ack_pq(struct qed_hwfn * p_hwfn)1835 static void qed_init_qm_pure_ack_pq(struct qed_hwfn *p_hwfn)
1836 {
1837 	struct qed_qm_info *qm_info = &p_hwfn->qm_info;
1838 
1839 	if (!(qed_get_pq_flags(p_hwfn) & PQ_FLAGS_ACK))
1840 		return;
1841 
1842 	qed_init_qm_set_idx(p_hwfn, PQ_FLAGS_ACK, qm_info->num_pqs);
1843 	qed_init_qm_pq(p_hwfn, qm_info, qed_get_offload_tc(p_hwfn),
1844 		       PQ_INIT_SHARE_VPORT);
1845 }
1846 
qed_init_qm_mtc_pqs(struct qed_hwfn * p_hwfn)1847 static void qed_init_qm_mtc_pqs(struct qed_hwfn *p_hwfn)
1848 {
1849 	u8 num_tcs = qed_init_qm_get_num_mtc_tcs(p_hwfn);
1850 	struct qed_qm_info *qm_info = &p_hwfn->qm_info;
1851 	u8 tc;
1852 
1853 	/* override pq's TC if offload TC is set */
1854 	for (tc = 0; tc < num_tcs; tc++)
1855 		qed_init_qm_pq(p_hwfn, qm_info,
1856 			       qed_is_offload_tc_set(p_hwfn) ?
1857 			       p_hwfn->hw_info.offload_tc : tc,
1858 			       PQ_INIT_SHARE_VPORT);
1859 }
1860 
qed_init_qm_offload_pq(struct qed_hwfn * p_hwfn)1861 static void qed_init_qm_offload_pq(struct qed_hwfn *p_hwfn)
1862 {
1863 	struct qed_qm_info *qm_info = &p_hwfn->qm_info;
1864 
1865 	if (!(qed_get_pq_flags(p_hwfn) & PQ_FLAGS_OFLD))
1866 		return;
1867 
1868 	qed_init_qm_set_idx(p_hwfn, PQ_FLAGS_OFLD, qm_info->num_pqs);
1869 	qed_init_qm_mtc_pqs(p_hwfn);
1870 }
1871 
qed_init_qm_low_latency_pq(struct qed_hwfn * p_hwfn)1872 static void qed_init_qm_low_latency_pq(struct qed_hwfn *p_hwfn)
1873 {
1874 	struct qed_qm_info *qm_info = &p_hwfn->qm_info;
1875 
1876 	if (!(qed_get_pq_flags(p_hwfn) & PQ_FLAGS_LLT))
1877 		return;
1878 
1879 	qed_init_qm_set_idx(p_hwfn, PQ_FLAGS_LLT, qm_info->num_pqs);
1880 	qed_init_qm_mtc_pqs(p_hwfn);
1881 }
1882 
qed_init_qm_mcos_pqs(struct qed_hwfn * p_hwfn)1883 static void qed_init_qm_mcos_pqs(struct qed_hwfn *p_hwfn)
1884 {
1885 	struct qed_qm_info *qm_info = &p_hwfn->qm_info;
1886 	u8 tc_idx;
1887 
1888 	if (!(qed_get_pq_flags(p_hwfn) & PQ_FLAGS_MCOS))
1889 		return;
1890 
1891 	qed_init_qm_set_idx(p_hwfn, PQ_FLAGS_MCOS, qm_info->num_pqs);
1892 	for (tc_idx = 0; tc_idx < qed_init_qm_get_num_tcs(p_hwfn); tc_idx++)
1893 		qed_init_qm_pq(p_hwfn, qm_info, tc_idx, PQ_INIT_SHARE_VPORT);
1894 }
1895 
qed_init_qm_vf_pqs(struct qed_hwfn * p_hwfn)1896 static void qed_init_qm_vf_pqs(struct qed_hwfn *p_hwfn)
1897 {
1898 	struct qed_qm_info *qm_info = &p_hwfn->qm_info;
1899 	u16 vf_idx, num_vfs = qed_init_qm_get_num_vfs(p_hwfn);
1900 
1901 	if (!(qed_get_pq_flags(p_hwfn) & PQ_FLAGS_VFS))
1902 		return;
1903 
1904 	qed_init_qm_set_idx(p_hwfn, PQ_FLAGS_VFS, qm_info->num_pqs);
1905 	qm_info->num_vf_pqs = num_vfs;
1906 	for (vf_idx = 0; vf_idx < num_vfs; vf_idx++)
1907 		qed_init_qm_pq(p_hwfn,
1908 			       qm_info, PQ_INIT_DEFAULT_TC, PQ_INIT_VF_RL);
1909 }
1910 
qed_init_qm_rl_pqs(struct qed_hwfn * p_hwfn)1911 static void qed_init_qm_rl_pqs(struct qed_hwfn *p_hwfn)
1912 {
1913 	u16 pf_rls_idx, num_pf_rls = qed_init_qm_get_num_pf_rls(p_hwfn);
1914 	struct qed_qm_info *qm_info = &p_hwfn->qm_info;
1915 
1916 	if (!(qed_get_pq_flags(p_hwfn) & PQ_FLAGS_RLS))
1917 		return;
1918 
1919 	qed_init_qm_set_idx(p_hwfn, PQ_FLAGS_RLS, qm_info->num_pqs);
1920 	for (pf_rls_idx = 0; pf_rls_idx < num_pf_rls; pf_rls_idx++)
1921 		qed_init_qm_pq(p_hwfn, qm_info, qed_get_offload_tc(p_hwfn),
1922 			       PQ_INIT_PF_RL);
1923 }
1924 
qed_init_qm_pq_params(struct qed_hwfn * p_hwfn)1925 static void qed_init_qm_pq_params(struct qed_hwfn *p_hwfn)
1926 {
1927 	/* rate limited pqs, must come first (FW assumption) */
1928 	qed_init_qm_rl_pqs(p_hwfn);
1929 
1930 	/* pqs for multi cos */
1931 	qed_init_qm_mcos_pqs(p_hwfn);
1932 
1933 	/* pure loopback pq */
1934 	qed_init_qm_lb_pq(p_hwfn);
1935 
1936 	/* out of order pq */
1937 	qed_init_qm_ooo_pq(p_hwfn);
1938 
1939 	/* pure ack pq */
1940 	qed_init_qm_pure_ack_pq(p_hwfn);
1941 
1942 	/* pq for offloaded protocol */
1943 	qed_init_qm_offload_pq(p_hwfn);
1944 
1945 	/* low latency pq */
1946 	qed_init_qm_low_latency_pq(p_hwfn);
1947 
1948 	/* done sharing vports */
1949 	qed_init_qm_advance_vport(p_hwfn);
1950 
1951 	/* pqs for vfs */
1952 	qed_init_qm_vf_pqs(p_hwfn);
1953 }
1954 
1955 /* compare values of getters against resources amounts */
qed_init_qm_sanity(struct qed_hwfn * p_hwfn)1956 static int qed_init_qm_sanity(struct qed_hwfn *p_hwfn)
1957 {
1958 	if (qed_init_qm_get_num_vports(p_hwfn) > RESC_NUM(p_hwfn, QED_VPORT)) {
1959 		DP_ERR(p_hwfn, "requested amount of vports exceeds resource\n");
1960 		return -EINVAL;
1961 	}
1962 
1963 	if (qed_init_qm_get_num_pqs(p_hwfn) <= RESC_NUM(p_hwfn, QED_PQ))
1964 		return 0;
1965 
1966 	if (QED_IS_ROCE_PERSONALITY(p_hwfn)) {
1967 		p_hwfn->hw_info.multi_tc_roce_en = false;
1968 		DP_NOTICE(p_hwfn,
1969 			  "multi-tc roce was disabled to reduce requested amount of pqs\n");
1970 		if (qed_init_qm_get_num_pqs(p_hwfn) <= RESC_NUM(p_hwfn, QED_PQ))
1971 			return 0;
1972 	}
1973 
1974 	DP_ERR(p_hwfn, "requested amount of pqs exceeds resource\n");
1975 	return -EINVAL;
1976 }
1977 
qed_dp_init_qm_params(struct qed_hwfn * p_hwfn)1978 static void qed_dp_init_qm_params(struct qed_hwfn *p_hwfn)
1979 {
1980 	struct qed_qm_info *qm_info = &p_hwfn->qm_info;
1981 	struct init_qm_vport_params *vport;
1982 	struct init_qm_port_params *port;
1983 	struct init_qm_pq_params *pq;
1984 	int i, tc;
1985 
1986 	/* top level params */
1987 	DP_VERBOSE(p_hwfn,
1988 		   NETIF_MSG_HW,
1989 		   "qm init top level params: start_pq %d, start_vport %d, pure_lb_pq %d, offload_pq %d, llt_pq %d, pure_ack_pq %d\n",
1990 		   qm_info->start_pq,
1991 		   qm_info->start_vport,
1992 		   qm_info->pure_lb_pq,
1993 		   qm_info->first_ofld_pq,
1994 		   qm_info->first_llt_pq,
1995 		   qm_info->pure_ack_pq);
1996 	DP_VERBOSE(p_hwfn,
1997 		   NETIF_MSG_HW,
1998 		   "ooo_pq %d, first_vf_pq %d, num_pqs %d, num_vf_pqs %d, num_vports %d, max_phys_tcs_per_port %d\n",
1999 		   qm_info->ooo_pq,
2000 		   qm_info->first_vf_pq,
2001 		   qm_info->num_pqs,
2002 		   qm_info->num_vf_pqs,
2003 		   qm_info->num_vports, qm_info->max_phys_tcs_per_port);
2004 	DP_VERBOSE(p_hwfn,
2005 		   NETIF_MSG_HW,
2006 		   "pf_rl_en %d, pf_wfq_en %d, vport_rl_en %d, vport_wfq_en %d, pf_wfq %d, pf_rl %d, num_pf_rls %d, pq_flags %x\n",
2007 		   qm_info->pf_rl_en,
2008 		   qm_info->pf_wfq_en,
2009 		   qm_info->vport_rl_en,
2010 		   qm_info->vport_wfq_en,
2011 		   qm_info->pf_wfq,
2012 		   qm_info->pf_rl,
2013 		   qm_info->num_pf_rls, qed_get_pq_flags(p_hwfn));
2014 
2015 	/* port table */
2016 	for (i = 0; i < p_hwfn->cdev->num_ports_in_engine; i++) {
2017 		port = &(qm_info->qm_port_params[i]);
2018 		DP_VERBOSE(p_hwfn,
2019 			   NETIF_MSG_HW,
2020 			   "port idx %d, active %d, active_phys_tcs %d, num_pbf_cmd_lines %d, num_btb_blocks %d, reserved %d\n",
2021 			   i,
2022 			   port->active,
2023 			   port->active_phys_tcs,
2024 			   port->num_pbf_cmd_lines,
2025 			   port->num_btb_blocks, port->reserved);
2026 	}
2027 
2028 	/* vport table */
2029 	for (i = 0; i < qm_info->num_vports; i++) {
2030 		vport = &(qm_info->qm_vport_params[i]);
2031 		DP_VERBOSE(p_hwfn,
2032 			   NETIF_MSG_HW,
2033 			   "vport idx %d, wfq %d, first_tx_pq_id [ ",
2034 			   qm_info->start_vport + i, vport->wfq);
2035 		for (tc = 0; tc < NUM_OF_TCS; tc++)
2036 			DP_VERBOSE(p_hwfn,
2037 				   NETIF_MSG_HW,
2038 				   "%d ", vport->first_tx_pq_id[tc]);
2039 		DP_VERBOSE(p_hwfn, NETIF_MSG_HW, "]\n");
2040 	}
2041 
2042 	/* pq table */
2043 	for (i = 0; i < qm_info->num_pqs; i++) {
2044 		pq = &(qm_info->qm_pq_params[i]);
2045 		DP_VERBOSE(p_hwfn,
2046 			   NETIF_MSG_HW,
2047 			   "pq idx %d, port %d, vport_id %d, tc %d, wrr_grp %d, rl_valid %d rl_id %d\n",
2048 			   qm_info->start_pq + i,
2049 			   pq->port_id,
2050 			   pq->vport_id,
2051 			   pq->tc_id, pq->wrr_group, pq->rl_valid, pq->rl_id);
2052 	}
2053 }
2054 
qed_init_qm_info(struct qed_hwfn * p_hwfn)2055 static void qed_init_qm_info(struct qed_hwfn *p_hwfn)
2056 {
2057 	/* reset params required for init run */
2058 	qed_init_qm_reset_params(p_hwfn);
2059 
2060 	/* init QM top level params */
2061 	qed_init_qm_params(p_hwfn);
2062 
2063 	/* init QM port params */
2064 	qed_init_qm_port_params(p_hwfn);
2065 
2066 	/* init QM vport params */
2067 	qed_init_qm_vport_params(p_hwfn);
2068 
2069 	/* init QM physical queue params */
2070 	qed_init_qm_pq_params(p_hwfn);
2071 
2072 	/* display all that init */
2073 	qed_dp_init_qm_params(p_hwfn);
2074 }
2075 
2076 /* This function reconfigures the QM pf on the fly.
2077  * For this purpose we:
2078  * 1. reconfigure the QM database
2079  * 2. set new values to runtime array
2080  * 3. send an sdm_qm_cmd through the rbc interface to stop the QM
2081  * 4. activate init tool in QM_PF stage
2082  * 5. send an sdm_qm_cmd through rbc interface to release the QM
2083  */
qed_qm_reconf(struct qed_hwfn * p_hwfn,struct qed_ptt * p_ptt)2084 int qed_qm_reconf(struct qed_hwfn *p_hwfn, struct qed_ptt *p_ptt)
2085 {
2086 	struct qed_qm_info *qm_info = &p_hwfn->qm_info;
2087 	bool b_rc;
2088 	int rc;
2089 
2090 	/* initialize qed's qm data structure */
2091 	qed_init_qm_info(p_hwfn);
2092 
2093 	/* stop PF's qm queues */
2094 	spin_lock_bh(&qm_lock);
2095 	b_rc = qed_send_qm_stop_cmd(p_hwfn, p_ptt, false, true,
2096 				    qm_info->start_pq, qm_info->num_pqs);
2097 	spin_unlock_bh(&qm_lock);
2098 	if (!b_rc)
2099 		return -EINVAL;
2100 
2101 	/* prepare QM portion of runtime array */
2102 	qed_qm_init_pf(p_hwfn, p_ptt, false);
2103 
2104 	/* activate init tool on runtime array */
2105 	rc = qed_init_run(p_hwfn, p_ptt, PHASE_QM_PF, p_hwfn->rel_pf_id,
2106 			  p_hwfn->hw_info.hw_mode);
2107 	if (rc)
2108 		return rc;
2109 
2110 	/* start PF's qm queues */
2111 	spin_lock_bh(&qm_lock);
2112 	b_rc = qed_send_qm_stop_cmd(p_hwfn, p_ptt, true, true,
2113 				    qm_info->start_pq, qm_info->num_pqs);
2114 	spin_unlock_bh(&qm_lock);
2115 	if (!b_rc)
2116 		return -EINVAL;
2117 
2118 	return 0;
2119 }
2120 
qed_alloc_qm_data(struct qed_hwfn * p_hwfn)2121 static int qed_alloc_qm_data(struct qed_hwfn *p_hwfn)
2122 {
2123 	struct qed_qm_info *qm_info = &p_hwfn->qm_info;
2124 	int rc;
2125 
2126 	rc = qed_init_qm_sanity(p_hwfn);
2127 	if (rc)
2128 		goto alloc_err;
2129 
2130 	qm_info->qm_pq_params = kcalloc(qed_init_qm_get_num_pqs(p_hwfn),
2131 					sizeof(*qm_info->qm_pq_params),
2132 					GFP_KERNEL);
2133 	if (!qm_info->qm_pq_params)
2134 		goto alloc_err;
2135 
2136 	qm_info->qm_vport_params = kcalloc(qed_init_qm_get_num_vports(p_hwfn),
2137 					   sizeof(*qm_info->qm_vport_params),
2138 					   GFP_KERNEL);
2139 	if (!qm_info->qm_vport_params)
2140 		goto alloc_err;
2141 
2142 	qm_info->qm_port_params = kcalloc(p_hwfn->cdev->num_ports_in_engine,
2143 					  sizeof(*qm_info->qm_port_params),
2144 					  GFP_KERNEL);
2145 	if (!qm_info->qm_port_params)
2146 		goto alloc_err;
2147 
2148 	qm_info->wfq_data = kcalloc(qed_init_qm_get_num_vports(p_hwfn),
2149 				    sizeof(*qm_info->wfq_data),
2150 				    GFP_KERNEL);
2151 	if (!qm_info->wfq_data)
2152 		goto alloc_err;
2153 
2154 	return 0;
2155 
2156 alloc_err:
2157 	DP_NOTICE(p_hwfn, "Failed to allocate memory for QM params\n");
2158 	qed_qm_info_free(p_hwfn);
2159 	return -ENOMEM;
2160 }
2161 
qed_resc_alloc(struct qed_dev * cdev)2162 int qed_resc_alloc(struct qed_dev *cdev)
2163 {
2164 	u32 rdma_tasks, excess_tasks;
2165 	u32 line_count;
2166 	int i, rc = 0;
2167 
2168 	if (IS_VF(cdev)) {
2169 		for_each_hwfn(cdev, i) {
2170 			rc = qed_l2_alloc(&cdev->hwfns[i]);
2171 			if (rc)
2172 				return rc;
2173 		}
2174 		return rc;
2175 	}
2176 
2177 	cdev->fw_data = kzalloc(sizeof(*cdev->fw_data), GFP_KERNEL);
2178 	if (!cdev->fw_data)
2179 		return -ENOMEM;
2180 
2181 	for_each_hwfn(cdev, i) {
2182 		struct qed_hwfn *p_hwfn = &cdev->hwfns[i];
2183 		u32 n_eqes, num_cons;
2184 
2185 		/* Initialize the doorbell recovery mechanism */
2186 		rc = qed_db_recovery_setup(p_hwfn);
2187 		if (rc)
2188 			goto alloc_err;
2189 
2190 		/* First allocate the context manager structure */
2191 		rc = qed_cxt_mngr_alloc(p_hwfn);
2192 		if (rc)
2193 			goto alloc_err;
2194 
2195 		/* Set the HW cid/tid numbers (in the contest manager)
2196 		 * Must be done prior to any further computations.
2197 		 */
2198 		rc = qed_cxt_set_pf_params(p_hwfn, RDMA_MAX_TIDS);
2199 		if (rc)
2200 			goto alloc_err;
2201 
2202 		rc = qed_alloc_qm_data(p_hwfn);
2203 		if (rc)
2204 			goto alloc_err;
2205 
2206 		/* init qm info */
2207 		qed_init_qm_info(p_hwfn);
2208 
2209 		/* Compute the ILT client partition */
2210 		rc = qed_cxt_cfg_ilt_compute(p_hwfn, &line_count);
2211 		if (rc) {
2212 			DP_NOTICE(p_hwfn,
2213 				  "too many ILT lines; re-computing with less lines\n");
2214 			/* In case there are not enough ILT lines we reduce the
2215 			 * number of RDMA tasks and re-compute.
2216 			 */
2217 			excess_tasks =
2218 			    qed_cxt_cfg_ilt_compute_excess(p_hwfn, line_count);
2219 			if (!excess_tasks)
2220 				goto alloc_err;
2221 
2222 			rdma_tasks = RDMA_MAX_TIDS - excess_tasks;
2223 			rc = qed_cxt_set_pf_params(p_hwfn, rdma_tasks);
2224 			if (rc)
2225 				goto alloc_err;
2226 
2227 			rc = qed_cxt_cfg_ilt_compute(p_hwfn, &line_count);
2228 			if (rc) {
2229 				DP_ERR(p_hwfn,
2230 				       "failed ILT compute. Requested too many lines: %u\n",
2231 				       line_count);
2232 
2233 				goto alloc_err;
2234 			}
2235 		}
2236 
2237 		/* CID map / ILT shadow table / T2
2238 		 * The talbes sizes are determined by the computations above
2239 		 */
2240 		rc = qed_cxt_tables_alloc(p_hwfn);
2241 		if (rc)
2242 			goto alloc_err;
2243 
2244 		/* SPQ, must follow ILT because initializes SPQ context */
2245 		rc = qed_spq_alloc(p_hwfn);
2246 		if (rc)
2247 			goto alloc_err;
2248 
2249 		/* SP status block allocation */
2250 		p_hwfn->p_dpc_ptt = qed_get_reserved_ptt(p_hwfn,
2251 							 RESERVED_PTT_DPC);
2252 
2253 		rc = qed_int_alloc(p_hwfn, p_hwfn->p_main_ptt);
2254 		if (rc)
2255 			goto alloc_err;
2256 
2257 		rc = qed_iov_alloc(p_hwfn);
2258 		if (rc)
2259 			goto alloc_err;
2260 
2261 		/* EQ */
2262 		n_eqes = qed_chain_get_capacity(&p_hwfn->p_spq->chain);
2263 		if (QED_IS_RDMA_PERSONALITY(p_hwfn)) {
2264 			u32 n_srq = qed_cxt_get_total_srq_count(p_hwfn);
2265 			enum protocol_type rdma_proto;
2266 
2267 			if (QED_IS_ROCE_PERSONALITY(p_hwfn))
2268 				rdma_proto = PROTOCOLID_ROCE;
2269 			else
2270 				rdma_proto = PROTOCOLID_IWARP;
2271 
2272 			num_cons = qed_cxt_get_proto_cid_count(p_hwfn,
2273 							       rdma_proto,
2274 							       NULL) * 2;
2275 			/* EQ should be able to get events from all SRQ's
2276 			 * at the same time
2277 			 */
2278 			n_eqes += num_cons + 2 * MAX_NUM_VFS_BB + n_srq;
2279 		} else if (p_hwfn->hw_info.personality == QED_PCI_ISCSI ||
2280 			   p_hwfn->hw_info.personality == QED_PCI_NVMETCP) {
2281 			num_cons =
2282 			    qed_cxt_get_proto_cid_count(p_hwfn,
2283 							PROTOCOLID_TCP_ULP,
2284 							NULL);
2285 			n_eqes += 2 * num_cons;
2286 		}
2287 
2288 		if (n_eqes > 0xFFFF) {
2289 			DP_ERR(p_hwfn,
2290 			       "Cannot allocate 0x%x EQ elements. The maximum of a u16 chain is 0x%x\n",
2291 			       n_eqes, 0xFFFF);
2292 			goto alloc_no_mem;
2293 		}
2294 
2295 		rc = qed_eq_alloc(p_hwfn, (u16)n_eqes);
2296 		if (rc)
2297 			goto alloc_err;
2298 
2299 		rc = qed_consq_alloc(p_hwfn);
2300 		if (rc)
2301 			goto alloc_err;
2302 
2303 		rc = qed_l2_alloc(p_hwfn);
2304 		if (rc)
2305 			goto alloc_err;
2306 
2307 #ifdef CONFIG_QED_LL2
2308 		if (p_hwfn->using_ll2) {
2309 			rc = qed_ll2_alloc(p_hwfn);
2310 			if (rc)
2311 				goto alloc_err;
2312 		}
2313 #endif
2314 
2315 		if (p_hwfn->hw_info.personality == QED_PCI_FCOE) {
2316 			rc = qed_fcoe_alloc(p_hwfn);
2317 			if (rc)
2318 				goto alloc_err;
2319 		}
2320 
2321 		if (p_hwfn->hw_info.personality == QED_PCI_ISCSI) {
2322 			rc = qed_iscsi_alloc(p_hwfn);
2323 			if (rc)
2324 				goto alloc_err;
2325 			rc = qed_ooo_alloc(p_hwfn);
2326 			if (rc)
2327 				goto alloc_err;
2328 		}
2329 
2330 		if (p_hwfn->hw_info.personality == QED_PCI_NVMETCP) {
2331 			rc = qed_nvmetcp_alloc(p_hwfn);
2332 			if (rc)
2333 				goto alloc_err;
2334 			rc = qed_ooo_alloc(p_hwfn);
2335 			if (rc)
2336 				goto alloc_err;
2337 		}
2338 
2339 		if (QED_IS_RDMA_PERSONALITY(p_hwfn)) {
2340 			rc = qed_rdma_info_alloc(p_hwfn);
2341 			if (rc)
2342 				goto alloc_err;
2343 		}
2344 
2345 		/* DMA info initialization */
2346 		rc = qed_dmae_info_alloc(p_hwfn);
2347 		if (rc)
2348 			goto alloc_err;
2349 
2350 		/* DCBX initialization */
2351 		rc = qed_dcbx_info_alloc(p_hwfn);
2352 		if (rc)
2353 			goto alloc_err;
2354 
2355 		rc = qed_dbg_alloc_user_data(p_hwfn, &p_hwfn->dbg_user_info);
2356 		if (rc)
2357 			goto alloc_err;
2358 	}
2359 
2360 	rc = qed_llh_alloc(cdev);
2361 	if (rc) {
2362 		DP_NOTICE(cdev,
2363 			  "Failed to allocate memory for the llh_info structure\n");
2364 		goto alloc_err;
2365 	}
2366 
2367 	cdev->reset_stats = kzalloc(sizeof(*cdev->reset_stats), GFP_KERNEL);
2368 	if (!cdev->reset_stats)
2369 		goto alloc_no_mem;
2370 
2371 	return 0;
2372 
2373 alloc_no_mem:
2374 	rc = -ENOMEM;
2375 alloc_err:
2376 	qed_resc_free(cdev);
2377 	return rc;
2378 }
2379 
qed_fw_err_handler(struct qed_hwfn * p_hwfn,u8 opcode,u16 echo,union event_ring_data * data,u8 fw_return_code)2380 static int qed_fw_err_handler(struct qed_hwfn *p_hwfn,
2381 			      u8 opcode,
2382 			      u16 echo,
2383 			      union event_ring_data *data, u8 fw_return_code)
2384 {
2385 	if (fw_return_code != COMMON_ERR_CODE_ERROR)
2386 		goto eqe_unexpected;
2387 
2388 	if (data->err_data.recovery_scope == ERR_SCOPE_FUNC &&
2389 	    le16_to_cpu(data->err_data.entity_id) >= MAX_NUM_PFS) {
2390 		qed_sriov_vfpf_malicious(p_hwfn, &data->err_data);
2391 		return 0;
2392 	}
2393 
2394 eqe_unexpected:
2395 	DP_ERR(p_hwfn,
2396 	       "Skipping unexpected eqe 0x%02x, FW return code 0x%x, echo 0x%x\n",
2397 	       opcode, fw_return_code, echo);
2398 	return -EINVAL;
2399 }
2400 
qed_common_eqe_event(struct qed_hwfn * p_hwfn,u8 opcode,__le16 echo,union event_ring_data * data,u8 fw_return_code)2401 static int qed_common_eqe_event(struct qed_hwfn *p_hwfn,
2402 				u8 opcode,
2403 				__le16 echo,
2404 				union event_ring_data *data,
2405 				u8 fw_return_code)
2406 {
2407 	switch (opcode) {
2408 	case COMMON_EVENT_VF_PF_CHANNEL:
2409 	case COMMON_EVENT_VF_FLR:
2410 		return qed_sriov_eqe_event(p_hwfn, opcode, echo, data,
2411 					   fw_return_code);
2412 	case COMMON_EVENT_FW_ERROR:
2413 		return qed_fw_err_handler(p_hwfn, opcode,
2414 					  le16_to_cpu(echo), data,
2415 					  fw_return_code);
2416 	default:
2417 		DP_INFO(p_hwfn->cdev, "Unknown eqe event 0x%02x, echo 0x%x\n",
2418 			opcode, echo);
2419 		return -EINVAL;
2420 	}
2421 }
2422 
qed_resc_setup(struct qed_dev * cdev)2423 void qed_resc_setup(struct qed_dev *cdev)
2424 {
2425 	int i;
2426 
2427 	if (IS_VF(cdev)) {
2428 		for_each_hwfn(cdev, i)
2429 			qed_l2_setup(&cdev->hwfns[i]);
2430 		return;
2431 	}
2432 
2433 	for_each_hwfn(cdev, i) {
2434 		struct qed_hwfn *p_hwfn = &cdev->hwfns[i];
2435 
2436 		qed_cxt_mngr_setup(p_hwfn);
2437 		qed_spq_setup(p_hwfn);
2438 		qed_eq_setup(p_hwfn);
2439 		qed_consq_setup(p_hwfn);
2440 
2441 		/* Read shadow of current MFW mailbox */
2442 		qed_mcp_read_mb(p_hwfn, p_hwfn->p_main_ptt);
2443 		memcpy(p_hwfn->mcp_info->mfw_mb_shadow,
2444 		       p_hwfn->mcp_info->mfw_mb_cur,
2445 		       p_hwfn->mcp_info->mfw_mb_length);
2446 
2447 		qed_int_setup(p_hwfn, p_hwfn->p_main_ptt);
2448 
2449 		qed_l2_setup(p_hwfn);
2450 		qed_iov_setup(p_hwfn);
2451 		qed_spq_register_async_cb(p_hwfn, PROTOCOLID_COMMON,
2452 					  qed_common_eqe_event);
2453 #ifdef CONFIG_QED_LL2
2454 		if (p_hwfn->using_ll2)
2455 			qed_ll2_setup(p_hwfn);
2456 #endif
2457 		if (p_hwfn->hw_info.personality == QED_PCI_FCOE)
2458 			qed_fcoe_setup(p_hwfn);
2459 
2460 		if (p_hwfn->hw_info.personality == QED_PCI_ISCSI) {
2461 			qed_iscsi_setup(p_hwfn);
2462 			qed_ooo_setup(p_hwfn);
2463 		}
2464 
2465 		if (p_hwfn->hw_info.personality == QED_PCI_NVMETCP) {
2466 			qed_nvmetcp_setup(p_hwfn);
2467 			qed_ooo_setup(p_hwfn);
2468 		}
2469 	}
2470 }
2471 
2472 #define FINAL_CLEANUP_POLL_CNT          (100)
2473 #define FINAL_CLEANUP_POLL_TIME         (10)
qed_final_cleanup(struct qed_hwfn * p_hwfn,struct qed_ptt * p_ptt,u16 id,bool is_vf)2474 int qed_final_cleanup(struct qed_hwfn *p_hwfn,
2475 		      struct qed_ptt *p_ptt, u16 id, bool is_vf)
2476 {
2477 	u32 command = 0, addr, count = FINAL_CLEANUP_POLL_CNT;
2478 	int rc = -EBUSY;
2479 
2480 	addr = GET_GTT_REG_ADDR(GTT_BAR0_MAP_REG_USDM_RAM,
2481 				USTORM_FLR_FINAL_ACK, p_hwfn->rel_pf_id);
2482 	if (is_vf)
2483 		id += 0x10;
2484 
2485 	command |= X_FINAL_CLEANUP_AGG_INT <<
2486 		SDM_AGG_INT_COMP_PARAMS_AGG_INT_INDEX_SHIFT;
2487 	command |= 1 << SDM_AGG_INT_COMP_PARAMS_AGG_VECTOR_ENABLE_SHIFT;
2488 	command |= id << SDM_AGG_INT_COMP_PARAMS_AGG_VECTOR_BIT_SHIFT;
2489 	command |= SDM_COMP_TYPE_AGG_INT << SDM_OP_GEN_COMP_TYPE_SHIFT;
2490 
2491 	/* Make sure notification is not set before initiating final cleanup */
2492 	if (REG_RD(p_hwfn, addr)) {
2493 		DP_NOTICE(p_hwfn,
2494 			  "Unexpected; Found final cleanup notification before initiating final cleanup\n");
2495 		REG_WR(p_hwfn, addr, 0);
2496 	}
2497 
2498 	DP_VERBOSE(p_hwfn, QED_MSG_IOV,
2499 		   "Sending final cleanup for PFVF[%d] [Command %08x]\n",
2500 		   id, command);
2501 
2502 	qed_wr(p_hwfn, p_ptt, XSDM_REG_OPERATION_GEN, command);
2503 
2504 	/* Poll until completion */
2505 	while (!REG_RD(p_hwfn, addr) && count--)
2506 		msleep(FINAL_CLEANUP_POLL_TIME);
2507 
2508 	if (REG_RD(p_hwfn, addr))
2509 		rc = 0;
2510 	else
2511 		DP_NOTICE(p_hwfn,
2512 			  "Failed to receive FW final cleanup notification\n");
2513 
2514 	/* Cleanup afterwards */
2515 	REG_WR(p_hwfn, addr, 0);
2516 
2517 	return rc;
2518 }
2519 
qed_calc_hw_mode(struct qed_hwfn * p_hwfn)2520 static int qed_calc_hw_mode(struct qed_hwfn *p_hwfn)
2521 {
2522 	int hw_mode = 0;
2523 
2524 	if (QED_IS_BB_B0(p_hwfn->cdev)) {
2525 		hw_mode |= 1 << MODE_BB;
2526 	} else if (QED_IS_AH(p_hwfn->cdev)) {
2527 		hw_mode |= 1 << MODE_K2;
2528 	} else {
2529 		DP_NOTICE(p_hwfn, "Unknown chip type %#x\n",
2530 			  p_hwfn->cdev->type);
2531 		return -EINVAL;
2532 	}
2533 
2534 	switch (p_hwfn->cdev->num_ports_in_engine) {
2535 	case 1:
2536 		hw_mode |= 1 << MODE_PORTS_PER_ENG_1;
2537 		break;
2538 	case 2:
2539 		hw_mode |= 1 << MODE_PORTS_PER_ENG_2;
2540 		break;
2541 	case 4:
2542 		hw_mode |= 1 << MODE_PORTS_PER_ENG_4;
2543 		break;
2544 	default:
2545 		DP_NOTICE(p_hwfn, "num_ports_in_engine = %d not supported\n",
2546 			  p_hwfn->cdev->num_ports_in_engine);
2547 		return -EINVAL;
2548 	}
2549 
2550 	if (test_bit(QED_MF_OVLAN_CLSS, &p_hwfn->cdev->mf_bits))
2551 		hw_mode |= 1 << MODE_MF_SD;
2552 	else
2553 		hw_mode |= 1 << MODE_MF_SI;
2554 
2555 	hw_mode |= 1 << MODE_ASIC;
2556 
2557 	if (p_hwfn->cdev->num_hwfns > 1)
2558 		hw_mode |= 1 << MODE_100G;
2559 
2560 	p_hwfn->hw_info.hw_mode = hw_mode;
2561 
2562 	DP_VERBOSE(p_hwfn, (NETIF_MSG_PROBE | NETIF_MSG_IFUP),
2563 		   "Configuring function for hw_mode: 0x%08x\n",
2564 		   p_hwfn->hw_info.hw_mode);
2565 
2566 	return 0;
2567 }
2568 
2569 /* Init run time data for all PFs on an engine. */
qed_init_cau_rt_data(struct qed_dev * cdev)2570 static void qed_init_cau_rt_data(struct qed_dev *cdev)
2571 {
2572 	u32 offset = CAU_REG_SB_VAR_MEMORY_RT_OFFSET;
2573 	int i, igu_sb_id;
2574 
2575 	for_each_hwfn(cdev, i) {
2576 		struct qed_hwfn *p_hwfn = &cdev->hwfns[i];
2577 		struct qed_igu_info *p_igu_info;
2578 		struct qed_igu_block *p_block;
2579 		struct cau_sb_entry sb_entry;
2580 
2581 		p_igu_info = p_hwfn->hw_info.p_igu_info;
2582 
2583 		for (igu_sb_id = 0;
2584 		     igu_sb_id < QED_MAPPING_MEMORY_SIZE(cdev); igu_sb_id++) {
2585 			p_block = &p_igu_info->entry[igu_sb_id];
2586 
2587 			if (!p_block->is_pf)
2588 				continue;
2589 
2590 			qed_init_cau_sb_entry(p_hwfn, &sb_entry,
2591 					      p_block->function_id, 0, 0);
2592 			STORE_RT_REG_AGG(p_hwfn, offset + igu_sb_id * 2,
2593 					 sb_entry);
2594 		}
2595 	}
2596 }
2597 
qed_init_cache_line_size(struct qed_hwfn * p_hwfn,struct qed_ptt * p_ptt)2598 static void qed_init_cache_line_size(struct qed_hwfn *p_hwfn,
2599 				     struct qed_ptt *p_ptt)
2600 {
2601 	u32 val, wr_mbs, cache_line_size;
2602 
2603 	val = qed_rd(p_hwfn, p_ptt, PSWRQ2_REG_WR_MBS0);
2604 	switch (val) {
2605 	case 0:
2606 		wr_mbs = 128;
2607 		break;
2608 	case 1:
2609 		wr_mbs = 256;
2610 		break;
2611 	case 2:
2612 		wr_mbs = 512;
2613 		break;
2614 	default:
2615 		DP_INFO(p_hwfn,
2616 			"Unexpected value of PSWRQ2_REG_WR_MBS0 [0x%x]. Avoid configuring PGLUE_B_REG_CACHE_LINE_SIZE.\n",
2617 			val);
2618 		return;
2619 	}
2620 
2621 	cache_line_size = min_t(u32, L1_CACHE_BYTES, wr_mbs);
2622 	switch (cache_line_size) {
2623 	case 32:
2624 		val = 0;
2625 		break;
2626 	case 64:
2627 		val = 1;
2628 		break;
2629 	case 128:
2630 		val = 2;
2631 		break;
2632 	case 256:
2633 		val = 3;
2634 		break;
2635 	default:
2636 		DP_INFO(p_hwfn,
2637 			"Unexpected value of cache line size [0x%x]. Avoid configuring PGLUE_B_REG_CACHE_LINE_SIZE.\n",
2638 			cache_line_size);
2639 	}
2640 
2641 	if (wr_mbs < L1_CACHE_BYTES)
2642 		DP_INFO(p_hwfn,
2643 			"The cache line size for padding is suboptimal for performance [OS cache line size 0x%x, wr mbs 0x%x]\n",
2644 			L1_CACHE_BYTES, wr_mbs);
2645 
2646 	STORE_RT_REG(p_hwfn, PGLUE_REG_B_CACHE_LINE_SIZE_RT_OFFSET, val);
2647 	if (val > 0) {
2648 		STORE_RT_REG(p_hwfn, PSWRQ2_REG_DRAM_ALIGN_WR_RT_OFFSET, val);
2649 		STORE_RT_REG(p_hwfn, PSWRQ2_REG_DRAM_ALIGN_RD_RT_OFFSET, val);
2650 	}
2651 }
2652 
qed_hw_init_common(struct qed_hwfn * p_hwfn,struct qed_ptt * p_ptt,int hw_mode)2653 static int qed_hw_init_common(struct qed_hwfn *p_hwfn,
2654 			      struct qed_ptt *p_ptt, int hw_mode)
2655 {
2656 	struct qed_qm_info *qm_info = &p_hwfn->qm_info;
2657 	struct qed_qm_common_rt_init_params *params;
2658 	struct qed_dev *cdev = p_hwfn->cdev;
2659 	u8 vf_id, max_num_vfs;
2660 	u16 num_pfs, pf_id;
2661 	u32 concrete_fid;
2662 	int rc = 0;
2663 
2664 	params = kzalloc(sizeof(*params), GFP_KERNEL);
2665 	if (!params) {
2666 		DP_NOTICE(p_hwfn->cdev,
2667 			  "Failed to allocate common init params\n");
2668 
2669 		return -ENOMEM;
2670 	}
2671 
2672 	qed_init_cau_rt_data(cdev);
2673 
2674 	/* Program GTT windows */
2675 	qed_gtt_init(p_hwfn);
2676 
2677 	if (p_hwfn->mcp_info) {
2678 		if (p_hwfn->mcp_info->func_info.bandwidth_max)
2679 			qm_info->pf_rl_en = true;
2680 		if (p_hwfn->mcp_info->func_info.bandwidth_min)
2681 			qm_info->pf_wfq_en = true;
2682 	}
2683 
2684 	params->max_ports_per_engine = p_hwfn->cdev->num_ports_in_engine;
2685 	params->max_phys_tcs_per_port = qm_info->max_phys_tcs_per_port;
2686 	params->pf_rl_en = qm_info->pf_rl_en;
2687 	params->pf_wfq_en = qm_info->pf_wfq_en;
2688 	params->global_rl_en = qm_info->vport_rl_en;
2689 	params->vport_wfq_en = qm_info->vport_wfq_en;
2690 	params->port_params = qm_info->qm_port_params;
2691 
2692 	qed_qm_common_rt_init(p_hwfn, params);
2693 
2694 	qed_cxt_hw_init_common(p_hwfn);
2695 
2696 	qed_init_cache_line_size(p_hwfn, p_ptt);
2697 
2698 	rc = qed_init_run(p_hwfn, p_ptt, PHASE_ENGINE, ANY_PHASE_ID, hw_mode);
2699 	if (rc)
2700 		goto out;
2701 
2702 	qed_wr(p_hwfn, p_ptt, PSWRQ2_REG_L2P_VALIDATE_VFID, 0);
2703 	qed_wr(p_hwfn, p_ptt, PGLUE_B_REG_USE_CLIENTID_IN_TAG, 1);
2704 
2705 	if (QED_IS_BB(p_hwfn->cdev)) {
2706 		num_pfs = NUM_OF_ENG_PFS(p_hwfn->cdev);
2707 		for (pf_id = 0; pf_id < num_pfs; pf_id++) {
2708 			qed_fid_pretend(p_hwfn, p_ptt, pf_id);
2709 			qed_wr(p_hwfn, p_ptt, PRS_REG_SEARCH_ROCE, 0x0);
2710 			qed_wr(p_hwfn, p_ptt, PRS_REG_SEARCH_TCP, 0x0);
2711 		}
2712 		/* pretend to original PF */
2713 		qed_fid_pretend(p_hwfn, p_ptt, p_hwfn->rel_pf_id);
2714 	}
2715 
2716 	max_num_vfs = QED_IS_AH(cdev) ? MAX_NUM_VFS_K2 : MAX_NUM_VFS_BB;
2717 	for (vf_id = 0; vf_id < max_num_vfs; vf_id++) {
2718 		concrete_fid = qed_vfid_to_concrete(p_hwfn, vf_id);
2719 		qed_fid_pretend(p_hwfn, p_ptt, (u16)concrete_fid);
2720 		qed_wr(p_hwfn, p_ptt, CCFC_REG_STRONG_ENABLE_VF, 0x1);
2721 		qed_wr(p_hwfn, p_ptt, CCFC_REG_WEAK_ENABLE_VF, 0x0);
2722 		qed_wr(p_hwfn, p_ptt, TCFC_REG_STRONG_ENABLE_VF, 0x1);
2723 		qed_wr(p_hwfn, p_ptt, TCFC_REG_WEAK_ENABLE_VF, 0x0);
2724 	}
2725 	/* pretend to original PF */
2726 	qed_fid_pretend(p_hwfn, p_ptt, p_hwfn->rel_pf_id);
2727 
2728 out:
2729 	kfree(params);
2730 
2731 	return rc;
2732 }
2733 
2734 static int
qed_hw_init_dpi_size(struct qed_hwfn * p_hwfn,struct qed_ptt * p_ptt,u32 pwm_region_size,u32 n_cpus)2735 qed_hw_init_dpi_size(struct qed_hwfn *p_hwfn,
2736 		     struct qed_ptt *p_ptt, u32 pwm_region_size, u32 n_cpus)
2737 {
2738 	u32 dpi_bit_shift, dpi_count, dpi_page_size;
2739 	u32 min_dpis;
2740 	u32 n_wids;
2741 
2742 	/* Calculate DPI size */
2743 	n_wids = max_t(u32, QED_MIN_WIDS, n_cpus);
2744 	dpi_page_size = QED_WID_SIZE * roundup_pow_of_two(n_wids);
2745 	dpi_page_size = (dpi_page_size + PAGE_SIZE - 1) & ~(PAGE_SIZE - 1);
2746 	dpi_bit_shift = ilog2(dpi_page_size / 4096);
2747 	dpi_count = pwm_region_size / dpi_page_size;
2748 
2749 	min_dpis = p_hwfn->pf_params.rdma_pf_params.min_dpis;
2750 	min_dpis = max_t(u32, QED_MIN_DPIS, min_dpis);
2751 
2752 	p_hwfn->dpi_size = dpi_page_size;
2753 	p_hwfn->dpi_count = dpi_count;
2754 
2755 	qed_wr(p_hwfn, p_ptt, DORQ_REG_PF_DPI_BIT_SHIFT, dpi_bit_shift);
2756 
2757 	if (dpi_count < min_dpis)
2758 		return -EINVAL;
2759 
2760 	return 0;
2761 }
2762 
2763 enum QED_ROCE_EDPM_MODE {
2764 	QED_ROCE_EDPM_MODE_ENABLE = 0,
2765 	QED_ROCE_EDPM_MODE_FORCE_ON = 1,
2766 	QED_ROCE_EDPM_MODE_DISABLE = 2,
2767 };
2768 
qed_edpm_enabled(struct qed_hwfn * p_hwfn)2769 bool qed_edpm_enabled(struct qed_hwfn *p_hwfn)
2770 {
2771 	if (p_hwfn->dcbx_no_edpm || p_hwfn->db_bar_no_edpm)
2772 		return false;
2773 
2774 	return true;
2775 }
2776 
2777 static int
qed_hw_init_pf_doorbell_bar(struct qed_hwfn * p_hwfn,struct qed_ptt * p_ptt)2778 qed_hw_init_pf_doorbell_bar(struct qed_hwfn *p_hwfn, struct qed_ptt *p_ptt)
2779 {
2780 	u32 pwm_regsize, norm_regsize;
2781 	u32 non_pwm_conn, min_addr_reg1;
2782 	u32 db_bar_size, n_cpus = 1;
2783 	u32 roce_edpm_mode;
2784 	u32 pf_dems_shift;
2785 	int rc = 0;
2786 	u8 cond;
2787 
2788 	db_bar_size = qed_hw_bar_size(p_hwfn, p_ptt, BAR_ID_1);
2789 	if (p_hwfn->cdev->num_hwfns > 1)
2790 		db_bar_size /= 2;
2791 
2792 	/* Calculate doorbell regions */
2793 	non_pwm_conn = qed_cxt_get_proto_cid_start(p_hwfn, PROTOCOLID_CORE) +
2794 		       qed_cxt_get_proto_cid_count(p_hwfn, PROTOCOLID_CORE,
2795 						   NULL) +
2796 		       qed_cxt_get_proto_cid_count(p_hwfn, PROTOCOLID_ETH,
2797 						   NULL);
2798 	norm_regsize = roundup(QED_PF_DEMS_SIZE * non_pwm_conn, PAGE_SIZE);
2799 	min_addr_reg1 = norm_regsize / 4096;
2800 	pwm_regsize = db_bar_size - norm_regsize;
2801 
2802 	/* Check that the normal and PWM sizes are valid */
2803 	if (db_bar_size < norm_regsize) {
2804 		DP_ERR(p_hwfn->cdev,
2805 		       "Doorbell BAR size 0x%x is too small (normal region is 0x%0x )\n",
2806 		       db_bar_size, norm_regsize);
2807 		return -EINVAL;
2808 	}
2809 
2810 	if (pwm_regsize < QED_MIN_PWM_REGION) {
2811 		DP_ERR(p_hwfn->cdev,
2812 		       "PWM region size 0x%0x is too small. Should be at least 0x%0x (Doorbell BAR size is 0x%x and normal region size is 0x%0x)\n",
2813 		       pwm_regsize,
2814 		       QED_MIN_PWM_REGION, db_bar_size, norm_regsize);
2815 		return -EINVAL;
2816 	}
2817 
2818 	/* Calculate number of DPIs */
2819 	roce_edpm_mode = p_hwfn->pf_params.rdma_pf_params.roce_edpm_mode;
2820 	if ((roce_edpm_mode == QED_ROCE_EDPM_MODE_ENABLE) ||
2821 	    ((roce_edpm_mode == QED_ROCE_EDPM_MODE_FORCE_ON))) {
2822 		/* Either EDPM is mandatory, or we are attempting to allocate a
2823 		 * WID per CPU.
2824 		 */
2825 		n_cpus = num_present_cpus();
2826 		rc = qed_hw_init_dpi_size(p_hwfn, p_ptt, pwm_regsize, n_cpus);
2827 	}
2828 
2829 	cond = (rc && (roce_edpm_mode == QED_ROCE_EDPM_MODE_ENABLE)) ||
2830 	       (roce_edpm_mode == QED_ROCE_EDPM_MODE_DISABLE);
2831 	if (cond || p_hwfn->dcbx_no_edpm) {
2832 		/* Either EDPM is disabled from user configuration, or it is
2833 		 * disabled via DCBx, or it is not mandatory and we failed to
2834 		 * allocated a WID per CPU.
2835 		 */
2836 		n_cpus = 1;
2837 		rc = qed_hw_init_dpi_size(p_hwfn, p_ptt, pwm_regsize, n_cpus);
2838 
2839 		if (cond)
2840 			qed_rdma_dpm_bar(p_hwfn, p_ptt);
2841 	}
2842 
2843 	p_hwfn->wid_count = (u16)n_cpus;
2844 
2845 	DP_INFO(p_hwfn,
2846 		"doorbell bar: normal_region_size=%d, pwm_region_size=%d, dpi_size=%d, dpi_count=%d, roce_edpm=%s, page_size=%lu\n",
2847 		norm_regsize,
2848 		pwm_regsize,
2849 		p_hwfn->dpi_size,
2850 		p_hwfn->dpi_count,
2851 		(!qed_edpm_enabled(p_hwfn)) ?
2852 		"disabled" : "enabled", PAGE_SIZE);
2853 
2854 	if (rc) {
2855 		DP_ERR(p_hwfn,
2856 		       "Failed to allocate enough DPIs. Allocated %d but the current minimum is %d.\n",
2857 		       p_hwfn->dpi_count,
2858 		       p_hwfn->pf_params.rdma_pf_params.min_dpis);
2859 		return -EINVAL;
2860 	}
2861 
2862 	p_hwfn->dpi_start_offset = norm_regsize;
2863 
2864 	/* DEMS size is configured log2 of DWORDs, hence the division by 4 */
2865 	pf_dems_shift = ilog2(QED_PF_DEMS_SIZE / 4);
2866 	qed_wr(p_hwfn, p_ptt, DORQ_REG_PF_ICID_BIT_SHIFT_NORM, pf_dems_shift);
2867 	qed_wr(p_hwfn, p_ptt, DORQ_REG_PF_MIN_ADDR_REG1, min_addr_reg1);
2868 
2869 	return 0;
2870 }
2871 
qed_hw_init_port(struct qed_hwfn * p_hwfn,struct qed_ptt * p_ptt,int hw_mode)2872 static int qed_hw_init_port(struct qed_hwfn *p_hwfn,
2873 			    struct qed_ptt *p_ptt, int hw_mode)
2874 {
2875 	int rc = 0;
2876 
2877 	/* In CMT the gate should be cleared by the 2nd hwfn */
2878 	if (!QED_IS_CMT(p_hwfn->cdev) || !IS_LEAD_HWFN(p_hwfn))
2879 		STORE_RT_REG(p_hwfn, NIG_REG_BRB_GATE_DNTFWD_PORT_RT_OFFSET, 0);
2880 
2881 	rc = qed_init_run(p_hwfn, p_ptt, PHASE_PORT, p_hwfn->port_id, hw_mode);
2882 	if (rc)
2883 		return rc;
2884 
2885 	qed_wr(p_hwfn, p_ptt, PGLUE_B_REG_MASTER_WRITE_PAD_ENABLE, 0);
2886 
2887 	return 0;
2888 }
2889 
qed_hw_init_pf(struct qed_hwfn * p_hwfn,struct qed_ptt * p_ptt,struct qed_tunnel_info * p_tunn,int hw_mode,bool b_hw_start,enum qed_int_mode int_mode,bool allow_npar_tx_switch)2890 static int qed_hw_init_pf(struct qed_hwfn *p_hwfn,
2891 			  struct qed_ptt *p_ptt,
2892 			  struct qed_tunnel_info *p_tunn,
2893 			  int hw_mode,
2894 			  bool b_hw_start,
2895 			  enum qed_int_mode int_mode,
2896 			  bool allow_npar_tx_switch)
2897 {
2898 	u8 rel_pf_id = p_hwfn->rel_pf_id;
2899 	int rc = 0;
2900 
2901 	if (p_hwfn->mcp_info) {
2902 		struct qed_mcp_function_info *p_info;
2903 
2904 		p_info = &p_hwfn->mcp_info->func_info;
2905 		if (p_info->bandwidth_min)
2906 			p_hwfn->qm_info.pf_wfq = p_info->bandwidth_min;
2907 
2908 		/* Update rate limit once we'll actually have a link */
2909 		p_hwfn->qm_info.pf_rl = 100000;
2910 	}
2911 
2912 	qed_cxt_hw_init_pf(p_hwfn, p_ptt);
2913 
2914 	qed_int_igu_init_rt(p_hwfn);
2915 
2916 	/* Set VLAN in NIG if needed */
2917 	if (hw_mode & BIT(MODE_MF_SD)) {
2918 		DP_VERBOSE(p_hwfn, NETIF_MSG_HW, "Configuring LLH_FUNC_TAG\n");
2919 		STORE_RT_REG(p_hwfn, NIG_REG_LLH_FUNC_TAG_EN_RT_OFFSET, 1);
2920 		STORE_RT_REG(p_hwfn, NIG_REG_LLH_FUNC_TAG_VALUE_RT_OFFSET,
2921 			     p_hwfn->hw_info.ovlan);
2922 
2923 		DP_VERBOSE(p_hwfn, NETIF_MSG_HW,
2924 			   "Configuring LLH_FUNC_FILTER_HDR_SEL\n");
2925 		STORE_RT_REG(p_hwfn, NIG_REG_LLH_FUNC_FILTER_HDR_SEL_RT_OFFSET,
2926 			     1);
2927 	}
2928 
2929 	/* Enable classification by MAC if needed */
2930 	if (hw_mode & BIT(MODE_MF_SI)) {
2931 		DP_VERBOSE(p_hwfn, NETIF_MSG_HW,
2932 			   "Configuring TAGMAC_CLS_TYPE\n");
2933 		STORE_RT_REG(p_hwfn,
2934 			     NIG_REG_LLH_FUNC_TAGMAC_CLS_TYPE_RT_OFFSET, 1);
2935 	}
2936 
2937 	/* Protocol Configuration */
2938 	STORE_RT_REG(p_hwfn, PRS_REG_SEARCH_TCP_RT_OFFSET,
2939 		     ((p_hwfn->hw_info.personality == QED_PCI_ISCSI) ||
2940 			 (p_hwfn->hw_info.personality == QED_PCI_NVMETCP)) ? 1 : 0);
2941 	STORE_RT_REG(p_hwfn, PRS_REG_SEARCH_FCOE_RT_OFFSET,
2942 		     (p_hwfn->hw_info.personality == QED_PCI_FCOE) ? 1 : 0);
2943 	STORE_RT_REG(p_hwfn, PRS_REG_SEARCH_ROCE_RT_OFFSET, 0);
2944 
2945 	/* Sanity check before the PF init sequence that uses DMAE */
2946 	rc = qed_dmae_sanity(p_hwfn, p_ptt, "pf_phase");
2947 	if (rc)
2948 		return rc;
2949 
2950 	/* PF Init sequence */
2951 	rc = qed_init_run(p_hwfn, p_ptt, PHASE_PF, rel_pf_id, hw_mode);
2952 	if (rc)
2953 		return rc;
2954 
2955 	/* QM_PF Init sequence (may be invoked separately e.g. for DCB) */
2956 	rc = qed_init_run(p_hwfn, p_ptt, PHASE_QM_PF, rel_pf_id, hw_mode);
2957 	if (rc)
2958 		return rc;
2959 
2960 	qed_fw_overlay_init_ram(p_hwfn, p_ptt, p_hwfn->fw_overlay_mem);
2961 
2962 	/* Pure runtime initializations - directly to the HW  */
2963 	qed_int_igu_init_pure_rt(p_hwfn, p_ptt, true, true);
2964 
2965 	rc = qed_hw_init_pf_doorbell_bar(p_hwfn, p_ptt);
2966 	if (rc)
2967 		return rc;
2968 
2969 	/* Use the leading hwfn since in CMT only NIG #0 is operational */
2970 	if (IS_LEAD_HWFN(p_hwfn)) {
2971 		rc = qed_llh_hw_init_pf(p_hwfn, p_ptt);
2972 		if (rc)
2973 			return rc;
2974 	}
2975 
2976 	if (b_hw_start) {
2977 		/* enable interrupts */
2978 		qed_int_igu_enable(p_hwfn, p_ptt, int_mode);
2979 
2980 		/* send function start command */
2981 		rc = qed_sp_pf_start(p_hwfn, p_ptt, p_tunn,
2982 				     allow_npar_tx_switch);
2983 		if (rc) {
2984 			DP_NOTICE(p_hwfn, "Function start ramrod failed\n");
2985 			return rc;
2986 		}
2987 		if (p_hwfn->hw_info.personality == QED_PCI_FCOE) {
2988 			qed_wr(p_hwfn, p_ptt, PRS_REG_SEARCH_TAG1, BIT(2));
2989 			qed_wr(p_hwfn, p_ptt,
2990 			       PRS_REG_PKT_LEN_STAT_TAGS_NOT_COUNTED_FIRST,
2991 			       0x100);
2992 		}
2993 	}
2994 	return rc;
2995 }
2996 
qed_pglueb_set_pfid_enable(struct qed_hwfn * p_hwfn,struct qed_ptt * p_ptt,bool b_enable)2997 int qed_pglueb_set_pfid_enable(struct qed_hwfn *p_hwfn,
2998 			       struct qed_ptt *p_ptt, bool b_enable)
2999 {
3000 	u32 delay_idx = 0, val, set_val = b_enable ? 1 : 0;
3001 
3002 	/* Configure the PF's internal FID_enable for master transactions */
3003 	qed_wr(p_hwfn, p_ptt, PGLUE_B_REG_INTERNAL_PFID_ENABLE_MASTER, set_val);
3004 
3005 	/* Wait until value is set - try for 1 second every 50us */
3006 	for (delay_idx = 0; delay_idx < 20000; delay_idx++) {
3007 		val = qed_rd(p_hwfn, p_ptt,
3008 			     PGLUE_B_REG_INTERNAL_PFID_ENABLE_MASTER);
3009 		if (val == set_val)
3010 			break;
3011 
3012 		usleep_range(50, 60);
3013 	}
3014 
3015 	if (val != set_val) {
3016 		DP_NOTICE(p_hwfn,
3017 			  "PFID_ENABLE_MASTER wasn't changed after a second\n");
3018 		return -EAGAIN;
3019 	}
3020 
3021 	return 0;
3022 }
3023 
qed_reset_mb_shadow(struct qed_hwfn * p_hwfn,struct qed_ptt * p_main_ptt)3024 static void qed_reset_mb_shadow(struct qed_hwfn *p_hwfn,
3025 				struct qed_ptt *p_main_ptt)
3026 {
3027 	/* Read shadow of current MFW mailbox */
3028 	qed_mcp_read_mb(p_hwfn, p_main_ptt);
3029 	memcpy(p_hwfn->mcp_info->mfw_mb_shadow,
3030 	       p_hwfn->mcp_info->mfw_mb_cur, p_hwfn->mcp_info->mfw_mb_length);
3031 }
3032 
3033 static void
qed_fill_load_req_params(struct qed_load_req_params * p_load_req,struct qed_drv_load_params * p_drv_load)3034 qed_fill_load_req_params(struct qed_load_req_params *p_load_req,
3035 			 struct qed_drv_load_params *p_drv_load)
3036 {
3037 	memset(p_load_req, 0, sizeof(*p_load_req));
3038 
3039 	p_load_req->drv_role = p_drv_load->is_crash_kernel ?
3040 			       QED_DRV_ROLE_KDUMP : QED_DRV_ROLE_OS;
3041 	p_load_req->timeout_val = p_drv_load->mfw_timeout_val;
3042 	p_load_req->avoid_eng_reset = p_drv_load->avoid_eng_reset;
3043 	p_load_req->override_force_load = p_drv_load->override_force_load;
3044 }
3045 
qed_vf_start(struct qed_hwfn * p_hwfn,struct qed_hw_init_params * p_params)3046 static int qed_vf_start(struct qed_hwfn *p_hwfn,
3047 			struct qed_hw_init_params *p_params)
3048 {
3049 	if (p_params->p_tunn) {
3050 		qed_vf_set_vf_start_tunn_update_param(p_params->p_tunn);
3051 		qed_vf_pf_tunnel_param_update(p_hwfn, p_params->p_tunn);
3052 	}
3053 
3054 	p_hwfn->b_int_enabled = true;
3055 
3056 	return 0;
3057 }
3058 
qed_pglueb_clear_err(struct qed_hwfn * p_hwfn,struct qed_ptt * p_ptt)3059 static void qed_pglueb_clear_err(struct qed_hwfn *p_hwfn, struct qed_ptt *p_ptt)
3060 {
3061 	qed_wr(p_hwfn, p_ptt, PGLUE_B_REG_WAS_ERROR_PF_31_0_CLR,
3062 	       BIT(p_hwfn->abs_pf_id));
3063 }
3064 
qed_hw_init(struct qed_dev * cdev,struct qed_hw_init_params * p_params)3065 int qed_hw_init(struct qed_dev *cdev, struct qed_hw_init_params *p_params)
3066 {
3067 	struct qed_load_req_params load_req_params;
3068 	u32 load_code, resp, param, drv_mb_param;
3069 	bool b_default_mtu = true;
3070 	struct qed_hwfn *p_hwfn;
3071 	const u32 *fw_overlays;
3072 	u32 fw_overlays_len;
3073 	u16 ether_type;
3074 	int rc = 0, i;
3075 
3076 	if ((p_params->int_mode == QED_INT_MODE_MSI) && (cdev->num_hwfns > 1)) {
3077 		DP_NOTICE(cdev, "MSI mode is not supported for CMT devices\n");
3078 		return -EINVAL;
3079 	}
3080 
3081 	if (IS_PF(cdev)) {
3082 		rc = qed_init_fw_data(cdev, p_params->bin_fw_data);
3083 		if (rc)
3084 			return rc;
3085 	}
3086 
3087 	for_each_hwfn(cdev, i) {
3088 		p_hwfn = &cdev->hwfns[i];
3089 
3090 		/* If management didn't provide a default, set one of our own */
3091 		if (!p_hwfn->hw_info.mtu) {
3092 			p_hwfn->hw_info.mtu = 1500;
3093 			b_default_mtu = false;
3094 		}
3095 
3096 		if (IS_VF(cdev)) {
3097 			qed_vf_start(p_hwfn, p_params);
3098 			continue;
3099 		}
3100 
3101 		/* Some flows may keep variable set */
3102 		p_hwfn->mcp_info->mcp_handling_status = 0;
3103 
3104 		rc = qed_calc_hw_mode(p_hwfn);
3105 		if (rc)
3106 			return rc;
3107 
3108 		if (IS_PF(cdev) && (test_bit(QED_MF_8021Q_TAGGING,
3109 					     &cdev->mf_bits) ||
3110 				    test_bit(QED_MF_8021AD_TAGGING,
3111 					     &cdev->mf_bits))) {
3112 			if (test_bit(QED_MF_8021Q_TAGGING, &cdev->mf_bits))
3113 				ether_type = ETH_P_8021Q;
3114 			else
3115 				ether_type = ETH_P_8021AD;
3116 			STORE_RT_REG(p_hwfn, PRS_REG_TAG_ETHERTYPE_0_RT_OFFSET,
3117 				     ether_type);
3118 			STORE_RT_REG(p_hwfn, NIG_REG_TAG_ETHERTYPE_0_RT_OFFSET,
3119 				     ether_type);
3120 			STORE_RT_REG(p_hwfn, PBF_REG_TAG_ETHERTYPE_0_RT_OFFSET,
3121 				     ether_type);
3122 			STORE_RT_REG(p_hwfn, DORQ_REG_TAG1_ETHERTYPE_RT_OFFSET,
3123 				     ether_type);
3124 		}
3125 
3126 		qed_fill_load_req_params(&load_req_params,
3127 					 p_params->p_drv_load_params);
3128 		rc = qed_mcp_load_req(p_hwfn, p_hwfn->p_main_ptt,
3129 				      &load_req_params);
3130 		if (rc) {
3131 			DP_NOTICE(p_hwfn, "Failed sending a LOAD_REQ command\n");
3132 			return rc;
3133 		}
3134 
3135 		load_code = load_req_params.load_code;
3136 		DP_VERBOSE(p_hwfn, QED_MSG_SP,
3137 			   "Load request was sent. Load code: 0x%x\n",
3138 			   load_code);
3139 
3140 		/* Only relevant for recovery:
3141 		 * Clear the indication after LOAD_REQ is responded by the MFW.
3142 		 */
3143 		cdev->recov_in_prog = false;
3144 
3145 		qed_mcp_set_capabilities(p_hwfn, p_hwfn->p_main_ptt);
3146 
3147 		qed_reset_mb_shadow(p_hwfn, p_hwfn->p_main_ptt);
3148 
3149 		/* Clean up chip from previous driver if such remains exist.
3150 		 * This is not needed when the PF is the first one on the
3151 		 * engine, since afterwards we are going to init the FW.
3152 		 */
3153 		if (load_code != FW_MSG_CODE_DRV_LOAD_ENGINE) {
3154 			rc = qed_final_cleanup(p_hwfn, p_hwfn->p_main_ptt,
3155 					       p_hwfn->rel_pf_id, false);
3156 			if (rc) {
3157 				qed_hw_err_notify(p_hwfn, p_hwfn->p_main_ptt,
3158 						  QED_HW_ERR_RAMROD_FAIL,
3159 						  "Final cleanup failed\n");
3160 				goto load_err;
3161 			}
3162 		}
3163 
3164 		/* Log and clear previous pglue_b errors if such exist */
3165 		qed_pglueb_rbc_attn_handler(p_hwfn, p_hwfn->p_main_ptt, true);
3166 
3167 		/* Enable the PF's internal FID_enable in the PXP */
3168 		rc = qed_pglueb_set_pfid_enable(p_hwfn, p_hwfn->p_main_ptt,
3169 						true);
3170 		if (rc)
3171 			goto load_err;
3172 
3173 		/* Clear the pglue_b was_error indication.
3174 		 * In E4 it must be done after the BME and the internal
3175 		 * FID_enable for the PF are set, since VDMs may cause the
3176 		 * indication to be set again.
3177 		 */
3178 		qed_pglueb_clear_err(p_hwfn, p_hwfn->p_main_ptt);
3179 
3180 		fw_overlays = cdev->fw_data->fw_overlays;
3181 		fw_overlays_len = cdev->fw_data->fw_overlays_len;
3182 		p_hwfn->fw_overlay_mem =
3183 		    qed_fw_overlay_mem_alloc(p_hwfn, fw_overlays,
3184 					     fw_overlays_len);
3185 		if (!p_hwfn->fw_overlay_mem) {
3186 			DP_NOTICE(p_hwfn,
3187 				  "Failed to allocate fw overlay memory\n");
3188 			rc = -ENOMEM;
3189 			goto load_err;
3190 		}
3191 
3192 		switch (load_code) {
3193 		case FW_MSG_CODE_DRV_LOAD_ENGINE:
3194 			rc = qed_hw_init_common(p_hwfn, p_hwfn->p_main_ptt,
3195 						p_hwfn->hw_info.hw_mode);
3196 			if (rc)
3197 				break;
3198 			fallthrough;
3199 		case FW_MSG_CODE_DRV_LOAD_PORT:
3200 			rc = qed_hw_init_port(p_hwfn, p_hwfn->p_main_ptt,
3201 					      p_hwfn->hw_info.hw_mode);
3202 			if (rc)
3203 				break;
3204 
3205 			fallthrough;
3206 		case FW_MSG_CODE_DRV_LOAD_FUNCTION:
3207 			rc = qed_hw_init_pf(p_hwfn, p_hwfn->p_main_ptt,
3208 					    p_params->p_tunn,
3209 					    p_hwfn->hw_info.hw_mode,
3210 					    p_params->b_hw_start,
3211 					    p_params->int_mode,
3212 					    p_params->allow_npar_tx_switch);
3213 			break;
3214 		default:
3215 			DP_NOTICE(p_hwfn,
3216 				  "Unexpected load code [0x%08x]", load_code);
3217 			rc = -EINVAL;
3218 			break;
3219 		}
3220 
3221 		if (rc) {
3222 			DP_NOTICE(p_hwfn,
3223 				  "init phase failed for loadcode 0x%x (rc %d)\n",
3224 				  load_code, rc);
3225 			goto load_err;
3226 		}
3227 
3228 		rc = qed_mcp_load_done(p_hwfn, p_hwfn->p_main_ptt);
3229 		if (rc)
3230 			return rc;
3231 
3232 		/* send DCBX attention request command */
3233 		DP_VERBOSE(p_hwfn,
3234 			   QED_MSG_DCB,
3235 			   "sending phony dcbx set command to trigger DCBx attention handling\n");
3236 		rc = qed_mcp_cmd(p_hwfn, p_hwfn->p_main_ptt,
3237 				 DRV_MSG_CODE_SET_DCBX,
3238 				 1 << DRV_MB_PARAM_DCBX_NOTIFY_SHIFT,
3239 				 &resp, &param);
3240 		if (rc) {
3241 			DP_NOTICE(p_hwfn,
3242 				  "Failed to send DCBX attention request\n");
3243 			return rc;
3244 		}
3245 
3246 		p_hwfn->hw_init_done = true;
3247 	}
3248 
3249 	if (IS_PF(cdev)) {
3250 		p_hwfn = QED_LEADING_HWFN(cdev);
3251 
3252 		/* Get pre-negotiated values for stag, bandwidth etc. */
3253 		DP_VERBOSE(p_hwfn,
3254 			   QED_MSG_SPQ,
3255 			   "Sending GET_OEM_UPDATES command to trigger stag/bandwidth attention handling\n");
3256 		drv_mb_param = 1 << DRV_MB_PARAM_DUMMY_OEM_UPDATES_OFFSET;
3257 		rc = qed_mcp_cmd(p_hwfn, p_hwfn->p_main_ptt,
3258 				 DRV_MSG_CODE_GET_OEM_UPDATES,
3259 				 drv_mb_param, &resp, &param);
3260 		if (rc)
3261 			DP_NOTICE(p_hwfn,
3262 				  "Failed to send GET_OEM_UPDATES attention request\n");
3263 
3264 		drv_mb_param = STORM_FW_VERSION;
3265 		rc = qed_mcp_cmd(p_hwfn, p_hwfn->p_main_ptt,
3266 				 DRV_MSG_CODE_OV_UPDATE_STORM_FW_VER,
3267 				 drv_mb_param, &load_code, &param);
3268 		if (rc)
3269 			DP_INFO(p_hwfn, "Failed to update firmware version\n");
3270 
3271 		if (!b_default_mtu) {
3272 			rc = qed_mcp_ov_update_mtu(p_hwfn, p_hwfn->p_main_ptt,
3273 						   p_hwfn->hw_info.mtu);
3274 			if (rc)
3275 				DP_INFO(p_hwfn,
3276 					"Failed to update default mtu\n");
3277 		}
3278 
3279 		rc = qed_mcp_ov_update_driver_state(p_hwfn,
3280 						    p_hwfn->p_main_ptt,
3281 						  QED_OV_DRIVER_STATE_DISABLED);
3282 		if (rc)
3283 			DP_INFO(p_hwfn, "Failed to update driver state\n");
3284 
3285 		rc = qed_mcp_ov_update_eswitch(p_hwfn, p_hwfn->p_main_ptt,
3286 					       QED_OV_ESWITCH_NONE);
3287 		if (rc)
3288 			DP_INFO(p_hwfn, "Failed to update eswitch mode\n");
3289 	}
3290 
3291 	return 0;
3292 
3293 load_err:
3294 	/* The MFW load lock should be released also when initialization fails.
3295 	 */
3296 	qed_mcp_load_done(p_hwfn, p_hwfn->p_main_ptt);
3297 	return rc;
3298 }
3299 
3300 #define QED_HW_STOP_RETRY_LIMIT (10)
qed_hw_timers_stop(struct qed_dev * cdev,struct qed_hwfn * p_hwfn,struct qed_ptt * p_ptt)3301 static void qed_hw_timers_stop(struct qed_dev *cdev,
3302 			       struct qed_hwfn *p_hwfn, struct qed_ptt *p_ptt)
3303 {
3304 	int i;
3305 
3306 	/* close timers */
3307 	qed_wr(p_hwfn, p_ptt, TM_REG_PF_ENABLE_CONN, 0x0);
3308 	qed_wr(p_hwfn, p_ptt, TM_REG_PF_ENABLE_TASK, 0x0);
3309 
3310 	if (cdev->recov_in_prog)
3311 		return;
3312 
3313 	for (i = 0; i < QED_HW_STOP_RETRY_LIMIT; i++) {
3314 		if ((!qed_rd(p_hwfn, p_ptt,
3315 			     TM_REG_PF_SCAN_ACTIVE_CONN)) &&
3316 		    (!qed_rd(p_hwfn, p_ptt, TM_REG_PF_SCAN_ACTIVE_TASK)))
3317 			break;
3318 
3319 		/* Dependent on number of connection/tasks, possibly
3320 		 * 1ms sleep is required between polls
3321 		 */
3322 		usleep_range(1000, 2000);
3323 	}
3324 
3325 	if (i < QED_HW_STOP_RETRY_LIMIT)
3326 		return;
3327 
3328 	DP_NOTICE(p_hwfn,
3329 		  "Timers linear scans are not over [Connection %02x Tasks %02x]\n",
3330 		  (u8)qed_rd(p_hwfn, p_ptt, TM_REG_PF_SCAN_ACTIVE_CONN),
3331 		  (u8)qed_rd(p_hwfn, p_ptt, TM_REG_PF_SCAN_ACTIVE_TASK));
3332 }
3333 
qed_hw_timers_stop_all(struct qed_dev * cdev)3334 void qed_hw_timers_stop_all(struct qed_dev *cdev)
3335 {
3336 	int j;
3337 
3338 	for_each_hwfn(cdev, j) {
3339 		struct qed_hwfn *p_hwfn = &cdev->hwfns[j];
3340 		struct qed_ptt *p_ptt = p_hwfn->p_main_ptt;
3341 
3342 		qed_hw_timers_stop(cdev, p_hwfn, p_ptt);
3343 	}
3344 }
3345 
qed_hw_stop(struct qed_dev * cdev)3346 int qed_hw_stop(struct qed_dev *cdev)
3347 {
3348 	struct qed_hwfn *p_hwfn;
3349 	struct qed_ptt *p_ptt;
3350 	int rc, rc2 = 0;
3351 	int j;
3352 
3353 	for_each_hwfn(cdev, j) {
3354 		p_hwfn = &cdev->hwfns[j];
3355 		p_ptt = p_hwfn->p_main_ptt;
3356 
3357 		DP_VERBOSE(p_hwfn, NETIF_MSG_IFDOWN, "Stopping hw/fw\n");
3358 
3359 		if (IS_VF(cdev)) {
3360 			qed_vf_pf_int_cleanup(p_hwfn);
3361 			rc = qed_vf_pf_reset(p_hwfn);
3362 			if (rc) {
3363 				DP_NOTICE(p_hwfn,
3364 					  "qed_vf_pf_reset failed. rc = %d.\n",
3365 					  rc);
3366 				rc2 = -EINVAL;
3367 			}
3368 			continue;
3369 		}
3370 
3371 		/* mark the hw as uninitialized... */
3372 		p_hwfn->hw_init_done = false;
3373 
3374 		/* Send unload command to MCP */
3375 		if (!cdev->recov_in_prog) {
3376 			rc = qed_mcp_unload_req(p_hwfn, p_ptt);
3377 			if (rc) {
3378 				DP_NOTICE(p_hwfn,
3379 					  "Failed sending a UNLOAD_REQ command. rc = %d.\n",
3380 					  rc);
3381 				rc2 = -EINVAL;
3382 			}
3383 		}
3384 
3385 		qed_slowpath_irq_sync(p_hwfn);
3386 
3387 		/* After this point no MFW attentions are expected, e.g. prevent
3388 		 * race between pf stop and dcbx pf update.
3389 		 */
3390 		rc = qed_sp_pf_stop(p_hwfn);
3391 		if (rc) {
3392 			DP_NOTICE(p_hwfn,
3393 				  "Failed to close PF against FW [rc = %d]. Continue to stop HW to prevent illegal host access by the device.\n",
3394 				  rc);
3395 			rc2 = -EINVAL;
3396 		}
3397 
3398 		qed_wr(p_hwfn, p_ptt,
3399 		       NIG_REG_RX_LLH_BRB_GATE_DNTFWD_PERPF, 0x1);
3400 
3401 		qed_wr(p_hwfn, p_ptt, PRS_REG_SEARCH_TCP, 0x0);
3402 		qed_wr(p_hwfn, p_ptt, PRS_REG_SEARCH_UDP, 0x0);
3403 		qed_wr(p_hwfn, p_ptt, PRS_REG_SEARCH_FCOE, 0x0);
3404 		qed_wr(p_hwfn, p_ptt, PRS_REG_SEARCH_ROCE, 0x0);
3405 		qed_wr(p_hwfn, p_ptt, PRS_REG_SEARCH_OPENFLOW, 0x0);
3406 
3407 		qed_hw_timers_stop(cdev, p_hwfn, p_ptt);
3408 
3409 		/* Disable Attention Generation */
3410 		qed_int_igu_disable_int(p_hwfn, p_ptt);
3411 
3412 		qed_wr(p_hwfn, p_ptt, IGU_REG_LEADING_EDGE_LATCH, 0);
3413 		qed_wr(p_hwfn, p_ptt, IGU_REG_TRAILING_EDGE_LATCH, 0);
3414 
3415 		qed_int_igu_init_pure_rt(p_hwfn, p_ptt, false, true);
3416 
3417 		/* Need to wait 1ms to guarantee SBs are cleared */
3418 		usleep_range(1000, 2000);
3419 
3420 		/* Disable PF in HW blocks */
3421 		qed_wr(p_hwfn, p_ptt, DORQ_REG_PF_DB_ENABLE, 0);
3422 		qed_wr(p_hwfn, p_ptt, QM_REG_PF_EN, 0);
3423 
3424 		if (IS_LEAD_HWFN(p_hwfn) &&
3425 		    test_bit(QED_MF_LLH_MAC_CLSS, &cdev->mf_bits) &&
3426 		    !QED_IS_FCOE_PERSONALITY(p_hwfn))
3427 			qed_llh_remove_mac_filter(cdev, 0,
3428 						  p_hwfn->hw_info.hw_mac_addr);
3429 
3430 		if (!cdev->recov_in_prog) {
3431 			rc = qed_mcp_unload_done(p_hwfn, p_ptt);
3432 			if (rc) {
3433 				DP_NOTICE(p_hwfn,
3434 					  "Failed sending a UNLOAD_DONE command. rc = %d.\n",
3435 					  rc);
3436 				rc2 = -EINVAL;
3437 			}
3438 		}
3439 	}
3440 
3441 	if (IS_PF(cdev) && !cdev->recov_in_prog) {
3442 		p_hwfn = QED_LEADING_HWFN(cdev);
3443 		p_ptt = QED_LEADING_HWFN(cdev)->p_main_ptt;
3444 
3445 		/* Clear the PF's internal FID_enable in the PXP.
3446 		 * In CMT this should only be done for first hw-function, and
3447 		 * only after all transactions have stopped for all active
3448 		 * hw-functions.
3449 		 */
3450 		rc = qed_pglueb_set_pfid_enable(p_hwfn, p_ptt, false);
3451 		if (rc) {
3452 			DP_NOTICE(p_hwfn,
3453 				  "qed_pglueb_set_pfid_enable() failed. rc = %d.\n",
3454 				  rc);
3455 			rc2 = -EINVAL;
3456 		}
3457 	}
3458 
3459 	return rc2;
3460 }
3461 
qed_hw_stop_fastpath(struct qed_dev * cdev)3462 int qed_hw_stop_fastpath(struct qed_dev *cdev)
3463 {
3464 	int j;
3465 
3466 	for_each_hwfn(cdev, j) {
3467 		struct qed_hwfn *p_hwfn = &cdev->hwfns[j];
3468 		struct qed_ptt *p_ptt;
3469 
3470 		if (IS_VF(cdev)) {
3471 			qed_vf_pf_int_cleanup(p_hwfn);
3472 			continue;
3473 		}
3474 		p_ptt = qed_ptt_acquire(p_hwfn);
3475 		if (!p_ptt)
3476 			return -EAGAIN;
3477 
3478 		DP_VERBOSE(p_hwfn,
3479 			   NETIF_MSG_IFDOWN, "Shutting down the fastpath\n");
3480 
3481 		qed_wr(p_hwfn, p_ptt,
3482 		       NIG_REG_RX_LLH_BRB_GATE_DNTFWD_PERPF, 0x1);
3483 
3484 		qed_wr(p_hwfn, p_ptt, PRS_REG_SEARCH_TCP, 0x0);
3485 		qed_wr(p_hwfn, p_ptt, PRS_REG_SEARCH_UDP, 0x0);
3486 		qed_wr(p_hwfn, p_ptt, PRS_REG_SEARCH_FCOE, 0x0);
3487 		qed_wr(p_hwfn, p_ptt, PRS_REG_SEARCH_ROCE, 0x0);
3488 		qed_wr(p_hwfn, p_ptt, PRS_REG_SEARCH_OPENFLOW, 0x0);
3489 
3490 		qed_int_igu_init_pure_rt(p_hwfn, p_ptt, false, false);
3491 
3492 		/* Need to wait 1ms to guarantee SBs are cleared */
3493 		usleep_range(1000, 2000);
3494 		qed_ptt_release(p_hwfn, p_ptt);
3495 	}
3496 
3497 	return 0;
3498 }
3499 
qed_hw_start_fastpath(struct qed_hwfn * p_hwfn)3500 int qed_hw_start_fastpath(struct qed_hwfn *p_hwfn)
3501 {
3502 	struct qed_ptt *p_ptt;
3503 
3504 	if (IS_VF(p_hwfn->cdev))
3505 		return 0;
3506 
3507 	p_ptt = qed_ptt_acquire(p_hwfn);
3508 	if (!p_ptt)
3509 		return -EAGAIN;
3510 
3511 	if (p_hwfn->p_rdma_info &&
3512 	    p_hwfn->p_rdma_info->active && p_hwfn->b_rdma_enabled_in_prs)
3513 		qed_wr(p_hwfn, p_ptt, p_hwfn->rdma_prs_search_reg, 0x1);
3514 
3515 	/* Re-open incoming traffic */
3516 	qed_wr(p_hwfn, p_ptt, NIG_REG_RX_LLH_BRB_GATE_DNTFWD_PERPF, 0x0);
3517 	qed_ptt_release(p_hwfn, p_ptt);
3518 
3519 	return 0;
3520 }
3521 
3522 /* Free hwfn memory and resources acquired in hw_hwfn_prepare */
qed_hw_hwfn_free(struct qed_hwfn * p_hwfn)3523 static void qed_hw_hwfn_free(struct qed_hwfn *p_hwfn)
3524 {
3525 	qed_ptt_pool_free(p_hwfn);
3526 	kfree(p_hwfn->hw_info.p_igu_info);
3527 	p_hwfn->hw_info.p_igu_info = NULL;
3528 }
3529 
3530 /* Setup bar access */
qed_hw_hwfn_prepare(struct qed_hwfn * p_hwfn)3531 static void qed_hw_hwfn_prepare(struct qed_hwfn *p_hwfn)
3532 {
3533 	/* clear indirect access */
3534 	if (QED_IS_AH(p_hwfn->cdev)) {
3535 		qed_wr(p_hwfn, p_hwfn->p_main_ptt,
3536 		       PGLUE_B_REG_PGL_ADDR_E8_F0_K2, 0);
3537 		qed_wr(p_hwfn, p_hwfn->p_main_ptt,
3538 		       PGLUE_B_REG_PGL_ADDR_EC_F0_K2, 0);
3539 		qed_wr(p_hwfn, p_hwfn->p_main_ptt,
3540 		       PGLUE_B_REG_PGL_ADDR_F0_F0_K2, 0);
3541 		qed_wr(p_hwfn, p_hwfn->p_main_ptt,
3542 		       PGLUE_B_REG_PGL_ADDR_F4_F0_K2, 0);
3543 	} else {
3544 		qed_wr(p_hwfn, p_hwfn->p_main_ptt,
3545 		       PGLUE_B_REG_PGL_ADDR_88_F0_BB, 0);
3546 		qed_wr(p_hwfn, p_hwfn->p_main_ptt,
3547 		       PGLUE_B_REG_PGL_ADDR_8C_F0_BB, 0);
3548 		qed_wr(p_hwfn, p_hwfn->p_main_ptt,
3549 		       PGLUE_B_REG_PGL_ADDR_90_F0_BB, 0);
3550 		qed_wr(p_hwfn, p_hwfn->p_main_ptt,
3551 		       PGLUE_B_REG_PGL_ADDR_94_F0_BB, 0);
3552 	}
3553 
3554 	/* Clean previous pglue_b errors if such exist */
3555 	qed_pglueb_clear_err(p_hwfn, p_hwfn->p_main_ptt);
3556 
3557 	/* enable internal target-read */
3558 	qed_wr(p_hwfn, p_hwfn->p_main_ptt,
3559 	       PGLUE_B_REG_INTERNAL_PFID_ENABLE_TARGET_READ, 1);
3560 }
3561 
get_function_id(struct qed_hwfn * p_hwfn)3562 static void get_function_id(struct qed_hwfn *p_hwfn)
3563 {
3564 	/* ME Register */
3565 	p_hwfn->hw_info.opaque_fid = (u16)REG_RD(p_hwfn,
3566 						 PXP_PF_ME_OPAQUE_ADDR);
3567 
3568 	p_hwfn->hw_info.concrete_fid = REG_RD(p_hwfn, PXP_PF_ME_CONCRETE_ADDR);
3569 
3570 	p_hwfn->abs_pf_id = (p_hwfn->hw_info.concrete_fid >> 16) & 0xf;
3571 	p_hwfn->rel_pf_id = GET_FIELD(p_hwfn->hw_info.concrete_fid,
3572 				      PXP_CONCRETE_FID_PFID);
3573 	p_hwfn->port_id = GET_FIELD(p_hwfn->hw_info.concrete_fid,
3574 				    PXP_CONCRETE_FID_PORT);
3575 
3576 	DP_VERBOSE(p_hwfn, NETIF_MSG_PROBE,
3577 		   "Read ME register: Concrete 0x%08x Opaque 0x%04x\n",
3578 		   p_hwfn->hw_info.concrete_fid, p_hwfn->hw_info.opaque_fid);
3579 }
3580 
qed_hw_set_feat(struct qed_hwfn * p_hwfn)3581 static void qed_hw_set_feat(struct qed_hwfn *p_hwfn)
3582 {
3583 	u32 *feat_num = p_hwfn->hw_info.feat_num;
3584 	struct qed_sb_cnt_info sb_cnt;
3585 	u32 non_l2_sbs = 0;
3586 
3587 	memset(&sb_cnt, 0, sizeof(sb_cnt));
3588 	qed_int_get_num_sbs(p_hwfn, &sb_cnt);
3589 
3590 	if (IS_ENABLED(CONFIG_QED_RDMA) &&
3591 	    QED_IS_RDMA_PERSONALITY(p_hwfn)) {
3592 		/* Roce CNQ each requires: 1 status block + 1 CNQ. We divide
3593 		 * the status blocks equally between L2 / RoCE but with
3594 		 * consideration as to how many l2 queues / cnqs we have.
3595 		 */
3596 		feat_num[QED_RDMA_CNQ] =
3597 			min_t(u32, sb_cnt.cnt / 2,
3598 			      RESC_NUM(p_hwfn, QED_RDMA_CNQ_RAM));
3599 
3600 		non_l2_sbs = feat_num[QED_RDMA_CNQ];
3601 	}
3602 	if (QED_IS_L2_PERSONALITY(p_hwfn)) {
3603 		/* Start by allocating VF queues, then PF's */
3604 		feat_num[QED_VF_L2_QUE] = min_t(u32,
3605 						RESC_NUM(p_hwfn, QED_L2_QUEUE),
3606 						sb_cnt.iov_cnt);
3607 		feat_num[QED_PF_L2_QUE] = min_t(u32,
3608 						sb_cnt.cnt - non_l2_sbs,
3609 						RESC_NUM(p_hwfn,
3610 							 QED_L2_QUEUE) -
3611 						FEAT_NUM(p_hwfn,
3612 							 QED_VF_L2_QUE));
3613 	}
3614 
3615 	if (QED_IS_FCOE_PERSONALITY(p_hwfn))
3616 		feat_num[QED_FCOE_CQ] =  min_t(u32, sb_cnt.cnt,
3617 					       RESC_NUM(p_hwfn,
3618 							QED_CMDQS_CQS));
3619 
3620 	if (QED_IS_ISCSI_PERSONALITY(p_hwfn))
3621 		feat_num[QED_ISCSI_CQ] = min_t(u32, sb_cnt.cnt,
3622 					       RESC_NUM(p_hwfn,
3623 							QED_CMDQS_CQS));
3624 
3625 	if (QED_IS_NVMETCP_PERSONALITY(p_hwfn))
3626 		feat_num[QED_NVMETCP_CQ] = min_t(u32, sb_cnt.cnt,
3627 						 RESC_NUM(p_hwfn,
3628 							  QED_CMDQS_CQS));
3629 
3630 	DP_VERBOSE(p_hwfn,
3631 		   NETIF_MSG_PROBE,
3632 		   "#PF_L2_QUEUES=%d VF_L2_QUEUES=%d #ROCE_CNQ=%d FCOE_CQ=%d ISCSI_CQ=%d NVMETCP_CQ=%d #SBS=%d\n",
3633 		   (int)FEAT_NUM(p_hwfn, QED_PF_L2_QUE),
3634 		   (int)FEAT_NUM(p_hwfn, QED_VF_L2_QUE),
3635 		   (int)FEAT_NUM(p_hwfn, QED_RDMA_CNQ),
3636 		   (int)FEAT_NUM(p_hwfn, QED_FCOE_CQ),
3637 		   (int)FEAT_NUM(p_hwfn, QED_ISCSI_CQ),
3638 		   (int)FEAT_NUM(p_hwfn, QED_NVMETCP_CQ),
3639 		   (int)sb_cnt.cnt);
3640 }
3641 
qed_hw_get_resc_name(enum qed_resources res_id)3642 const char *qed_hw_get_resc_name(enum qed_resources res_id)
3643 {
3644 	switch (res_id) {
3645 	case QED_L2_QUEUE:
3646 		return "L2_QUEUE";
3647 	case QED_VPORT:
3648 		return "VPORT";
3649 	case QED_RSS_ENG:
3650 		return "RSS_ENG";
3651 	case QED_PQ:
3652 		return "PQ";
3653 	case QED_RL:
3654 		return "RL";
3655 	case QED_MAC:
3656 		return "MAC";
3657 	case QED_VLAN:
3658 		return "VLAN";
3659 	case QED_RDMA_CNQ_RAM:
3660 		return "RDMA_CNQ_RAM";
3661 	case QED_ILT:
3662 		return "ILT";
3663 	case QED_LL2_RAM_QUEUE:
3664 		return "LL2_RAM_QUEUE";
3665 	case QED_LL2_CTX_QUEUE:
3666 		return "LL2_CTX_QUEUE";
3667 	case QED_CMDQS_CQS:
3668 		return "CMDQS_CQS";
3669 	case QED_RDMA_STATS_QUEUE:
3670 		return "RDMA_STATS_QUEUE";
3671 	case QED_BDQ:
3672 		return "BDQ";
3673 	case QED_SB:
3674 		return "SB";
3675 	default:
3676 		return "UNKNOWN_RESOURCE";
3677 	}
3678 }
3679 
3680 static int
__qed_hw_set_soft_resc_size(struct qed_hwfn * p_hwfn,struct qed_ptt * p_ptt,enum qed_resources res_id,u32 resc_max_val,u32 * p_mcp_resp)3681 __qed_hw_set_soft_resc_size(struct qed_hwfn *p_hwfn,
3682 			    struct qed_ptt *p_ptt,
3683 			    enum qed_resources res_id,
3684 			    u32 resc_max_val, u32 *p_mcp_resp)
3685 {
3686 	int rc;
3687 
3688 	rc = qed_mcp_set_resc_max_val(p_hwfn, p_ptt, res_id,
3689 				      resc_max_val, p_mcp_resp);
3690 	if (rc) {
3691 		DP_NOTICE(p_hwfn,
3692 			  "MFW response failure for a max value setting of resource %d [%s]\n",
3693 			  res_id, qed_hw_get_resc_name(res_id));
3694 		return rc;
3695 	}
3696 
3697 	if (*p_mcp_resp != FW_MSG_CODE_RESOURCE_ALLOC_OK)
3698 		DP_INFO(p_hwfn,
3699 			"Failed to set the max value of resource %d [%s]. mcp_resp = 0x%08x.\n",
3700 			res_id, qed_hw_get_resc_name(res_id), *p_mcp_resp);
3701 
3702 	return 0;
3703 }
3704 
3705 static u32 qed_hsi_def_val[][MAX_CHIP_IDS] = {
3706 	{MAX_NUM_VFS_BB, MAX_NUM_VFS_K2},
3707 	{MAX_NUM_L2_QUEUES_BB, MAX_NUM_L2_QUEUES_K2},
3708 	{MAX_NUM_PORTS_BB, MAX_NUM_PORTS_K2},
3709 	{MAX_SB_PER_PATH_BB, MAX_SB_PER_PATH_K2,},
3710 	{MAX_NUM_PFS_BB, MAX_NUM_PFS_K2},
3711 	{MAX_NUM_VPORTS_BB, MAX_NUM_VPORTS_K2},
3712 	{ETH_RSS_ENGINE_NUM_BB, ETH_RSS_ENGINE_NUM_K2},
3713 	{MAX_QM_TX_QUEUES_BB, MAX_QM_TX_QUEUES_K2},
3714 	{PXP_NUM_ILT_RECORDS_BB, PXP_NUM_ILT_RECORDS_K2},
3715 	{RDMA_NUM_STATISTIC_COUNTERS_BB, RDMA_NUM_STATISTIC_COUNTERS_K2},
3716 	{MAX_QM_GLOBAL_RLS, MAX_QM_GLOBAL_RLS},
3717 	{PBF_MAX_CMD_LINES, PBF_MAX_CMD_LINES},
3718 	{BTB_MAX_BLOCKS_BB, BTB_MAX_BLOCKS_K2},
3719 };
3720 
qed_get_hsi_def_val(struct qed_dev * cdev,enum qed_hsi_def_type type)3721 u32 qed_get_hsi_def_val(struct qed_dev *cdev, enum qed_hsi_def_type type)
3722 {
3723 	enum chip_ids chip_id = QED_IS_BB(cdev) ? CHIP_BB : CHIP_K2;
3724 
3725 	if (type >= QED_NUM_HSI_DEFS) {
3726 		DP_ERR(cdev, "Unexpected HSI definition type [%d]\n", type);
3727 		return 0;
3728 	}
3729 
3730 	return qed_hsi_def_val[type][chip_id];
3731 }
3732 
3733 static int
qed_hw_set_soft_resc_size(struct qed_hwfn * p_hwfn,struct qed_ptt * p_ptt)3734 qed_hw_set_soft_resc_size(struct qed_hwfn *p_hwfn, struct qed_ptt *p_ptt)
3735 {
3736 	u32 resc_max_val, mcp_resp;
3737 	u8 res_id;
3738 	int rc;
3739 
3740 	for (res_id = 0; res_id < QED_MAX_RESC; res_id++) {
3741 		switch (res_id) {
3742 		case QED_LL2_RAM_QUEUE:
3743 			resc_max_val = MAX_NUM_LL2_RX_RAM_QUEUES;
3744 			break;
3745 		case QED_LL2_CTX_QUEUE:
3746 			resc_max_val = MAX_NUM_LL2_RX_CTX_QUEUES;
3747 			break;
3748 		case QED_RDMA_CNQ_RAM:
3749 			/* No need for a case for QED_CMDQS_CQS since
3750 			 * CNQ/CMDQS are the same resource.
3751 			 */
3752 			resc_max_val = NUM_OF_GLOBAL_QUEUES;
3753 			break;
3754 		case QED_RDMA_STATS_QUEUE:
3755 			resc_max_val =
3756 			    NUM_OF_RDMA_STATISTIC_COUNTERS(p_hwfn->cdev);
3757 			break;
3758 		case QED_BDQ:
3759 			resc_max_val = BDQ_NUM_RESOURCES;
3760 			break;
3761 		default:
3762 			continue;
3763 		}
3764 
3765 		rc = __qed_hw_set_soft_resc_size(p_hwfn, p_ptt, res_id,
3766 						 resc_max_val, &mcp_resp);
3767 		if (rc)
3768 			return rc;
3769 
3770 		/* There's no point to continue to the next resource if the
3771 		 * command is not supported by the MFW.
3772 		 * We do continue if the command is supported but the resource
3773 		 * is unknown to the MFW. Such a resource will be later
3774 		 * configured with the default allocation values.
3775 		 */
3776 		if (mcp_resp == FW_MSG_CODE_UNSUPPORTED)
3777 			return -EINVAL;
3778 	}
3779 
3780 	return 0;
3781 }
3782 
3783 static
qed_hw_get_dflt_resc(struct qed_hwfn * p_hwfn,enum qed_resources res_id,u32 * p_resc_num,u32 * p_resc_start)3784 int qed_hw_get_dflt_resc(struct qed_hwfn *p_hwfn,
3785 			 enum qed_resources res_id,
3786 			 u32 *p_resc_num, u32 *p_resc_start)
3787 {
3788 	u8 num_funcs = p_hwfn->num_funcs_on_engine;
3789 	struct qed_dev *cdev = p_hwfn->cdev;
3790 
3791 	switch (res_id) {
3792 	case QED_L2_QUEUE:
3793 		*p_resc_num = NUM_OF_L2_QUEUES(cdev) / num_funcs;
3794 		break;
3795 	case QED_VPORT:
3796 		*p_resc_num = NUM_OF_VPORTS(cdev) / num_funcs;
3797 		break;
3798 	case QED_RSS_ENG:
3799 		*p_resc_num = NUM_OF_RSS_ENGINES(cdev) / num_funcs;
3800 		break;
3801 	case QED_PQ:
3802 		*p_resc_num = NUM_OF_QM_TX_QUEUES(cdev) / num_funcs;
3803 		*p_resc_num &= ~0x7;	/* The granularity of the PQs is 8 */
3804 		break;
3805 	case QED_RL:
3806 		*p_resc_num = NUM_OF_QM_GLOBAL_RLS(cdev) / num_funcs;
3807 		break;
3808 	case QED_MAC:
3809 	case QED_VLAN:
3810 		/* Each VFC resource can accommodate both a MAC and a VLAN */
3811 		*p_resc_num = ETH_NUM_MAC_FILTERS / num_funcs;
3812 		break;
3813 	case QED_ILT:
3814 		*p_resc_num = NUM_OF_PXP_ILT_RECORDS(cdev) / num_funcs;
3815 		break;
3816 	case QED_LL2_RAM_QUEUE:
3817 		*p_resc_num = MAX_NUM_LL2_RX_RAM_QUEUES / num_funcs;
3818 		break;
3819 	case QED_LL2_CTX_QUEUE:
3820 		*p_resc_num = MAX_NUM_LL2_RX_CTX_QUEUES / num_funcs;
3821 		break;
3822 	case QED_RDMA_CNQ_RAM:
3823 	case QED_CMDQS_CQS:
3824 		/* CNQ/CMDQS are the same resource */
3825 		*p_resc_num = NUM_OF_GLOBAL_QUEUES / num_funcs;
3826 		break;
3827 	case QED_RDMA_STATS_QUEUE:
3828 		*p_resc_num = NUM_OF_RDMA_STATISTIC_COUNTERS(cdev) / num_funcs;
3829 		break;
3830 	case QED_BDQ:
3831 		if (p_hwfn->hw_info.personality != QED_PCI_ISCSI &&
3832 		    p_hwfn->hw_info.personality != QED_PCI_FCOE &&
3833 			p_hwfn->hw_info.personality != QED_PCI_NVMETCP)
3834 			*p_resc_num = 0;
3835 		else
3836 			*p_resc_num = 1;
3837 		break;
3838 	case QED_SB:
3839 		/* Since we want its value to reflect whether MFW supports
3840 		 * the new scheme, have a default of 0.
3841 		 */
3842 		*p_resc_num = 0;
3843 		break;
3844 	default:
3845 		return -EINVAL;
3846 	}
3847 
3848 	switch (res_id) {
3849 	case QED_BDQ:
3850 		if (!*p_resc_num)
3851 			*p_resc_start = 0;
3852 		else if (p_hwfn->cdev->num_ports_in_engine == 4)
3853 			*p_resc_start = p_hwfn->port_id;
3854 		else if (p_hwfn->hw_info.personality == QED_PCI_ISCSI ||
3855 			 p_hwfn->hw_info.personality == QED_PCI_NVMETCP)
3856 			*p_resc_start = p_hwfn->port_id;
3857 		else if (p_hwfn->hw_info.personality == QED_PCI_FCOE)
3858 			*p_resc_start = p_hwfn->port_id + 2;
3859 		break;
3860 	default:
3861 		*p_resc_start = *p_resc_num * p_hwfn->enabled_func_idx;
3862 		break;
3863 	}
3864 
3865 	return 0;
3866 }
3867 
__qed_hw_set_resc_info(struct qed_hwfn * p_hwfn,enum qed_resources res_id)3868 static int __qed_hw_set_resc_info(struct qed_hwfn *p_hwfn,
3869 				  enum qed_resources res_id)
3870 {
3871 	u32 dflt_resc_num = 0, dflt_resc_start = 0;
3872 	u32 mcp_resp, *p_resc_num, *p_resc_start;
3873 	int rc;
3874 
3875 	p_resc_num = &RESC_NUM(p_hwfn, res_id);
3876 	p_resc_start = &RESC_START(p_hwfn, res_id);
3877 
3878 	rc = qed_hw_get_dflt_resc(p_hwfn, res_id, &dflt_resc_num,
3879 				  &dflt_resc_start);
3880 	if (rc) {
3881 		DP_ERR(p_hwfn,
3882 		       "Failed to get default amount for resource %d [%s]\n",
3883 		       res_id, qed_hw_get_resc_name(res_id));
3884 		return rc;
3885 	}
3886 
3887 	rc = qed_mcp_get_resc_info(p_hwfn, p_hwfn->p_main_ptt, res_id,
3888 				   &mcp_resp, p_resc_num, p_resc_start);
3889 	if (rc) {
3890 		DP_NOTICE(p_hwfn,
3891 			  "MFW response failure for an allocation request for resource %d [%s]\n",
3892 			  res_id, qed_hw_get_resc_name(res_id));
3893 		return rc;
3894 	}
3895 
3896 	/* Default driver values are applied in the following cases:
3897 	 * - The resource allocation MB command is not supported by the MFW
3898 	 * - There is an internal error in the MFW while processing the request
3899 	 * - The resource ID is unknown to the MFW
3900 	 */
3901 	if (mcp_resp != FW_MSG_CODE_RESOURCE_ALLOC_OK) {
3902 		DP_INFO(p_hwfn,
3903 			"Failed to receive allocation info for resource %d [%s]. mcp_resp = 0x%x. Applying default values [%d,%d].\n",
3904 			res_id,
3905 			qed_hw_get_resc_name(res_id),
3906 			mcp_resp, dflt_resc_num, dflt_resc_start);
3907 		*p_resc_num = dflt_resc_num;
3908 		*p_resc_start = dflt_resc_start;
3909 		goto out;
3910 	}
3911 
3912 out:
3913 	/* PQs have to divide by 8 [that's the HW granularity].
3914 	 * Reduce number so it would fit.
3915 	 */
3916 	if ((res_id == QED_PQ) && ((*p_resc_num % 8) || (*p_resc_start % 8))) {
3917 		DP_INFO(p_hwfn,
3918 			"PQs need to align by 8; Number %08x --> %08x, Start %08x --> %08x\n",
3919 			*p_resc_num,
3920 			(*p_resc_num) & ~0x7,
3921 			*p_resc_start, (*p_resc_start) & ~0x7);
3922 		*p_resc_num &= ~0x7;
3923 		*p_resc_start &= ~0x7;
3924 	}
3925 
3926 	return 0;
3927 }
3928 
qed_hw_set_resc_info(struct qed_hwfn * p_hwfn)3929 static int qed_hw_set_resc_info(struct qed_hwfn *p_hwfn)
3930 {
3931 	int rc;
3932 	u8 res_id;
3933 
3934 	for (res_id = 0; res_id < QED_MAX_RESC; res_id++) {
3935 		rc = __qed_hw_set_resc_info(p_hwfn, res_id);
3936 		if (rc)
3937 			return rc;
3938 	}
3939 
3940 	return 0;
3941 }
3942 
qed_hw_get_ppfid_bitmap(struct qed_hwfn * p_hwfn,struct qed_ptt * p_ptt)3943 static int qed_hw_get_ppfid_bitmap(struct qed_hwfn *p_hwfn,
3944 				   struct qed_ptt *p_ptt)
3945 {
3946 	struct qed_dev *cdev = p_hwfn->cdev;
3947 	u8 native_ppfid_idx;
3948 	int rc;
3949 
3950 	/* Calculation of BB/AH is different for native_ppfid_idx */
3951 	if (QED_IS_BB(cdev))
3952 		native_ppfid_idx = p_hwfn->rel_pf_id;
3953 	else
3954 		native_ppfid_idx = p_hwfn->rel_pf_id /
3955 		    cdev->num_ports_in_engine;
3956 
3957 	rc = qed_mcp_get_ppfid_bitmap(p_hwfn, p_ptt);
3958 	if (rc != 0 && rc != -EOPNOTSUPP)
3959 		return rc;
3960 	else if (rc == -EOPNOTSUPP)
3961 		cdev->ppfid_bitmap = 0x1 << native_ppfid_idx;
3962 
3963 	if (!(cdev->ppfid_bitmap & (0x1 << native_ppfid_idx))) {
3964 		DP_INFO(p_hwfn,
3965 			"Fix the PPFID bitmap to include the native PPFID [native_ppfid_idx %hhd, orig_bitmap 0x%hhx]\n",
3966 			native_ppfid_idx, cdev->ppfid_bitmap);
3967 		cdev->ppfid_bitmap = 0x1 << native_ppfid_idx;
3968 	}
3969 
3970 	return 0;
3971 }
3972 
qed_hw_get_resc(struct qed_hwfn * p_hwfn,struct qed_ptt * p_ptt)3973 static int qed_hw_get_resc(struct qed_hwfn *p_hwfn, struct qed_ptt *p_ptt)
3974 {
3975 	struct qed_resc_unlock_params resc_unlock_params;
3976 	struct qed_resc_lock_params resc_lock_params;
3977 	bool b_ah = QED_IS_AH(p_hwfn->cdev);
3978 	u8 res_id;
3979 	int rc;
3980 
3981 	/* Setting the max values of the soft resources and the following
3982 	 * resources allocation queries should be atomic. Since several PFs can
3983 	 * run in parallel - a resource lock is needed.
3984 	 * If either the resource lock or resource set value commands are not
3985 	 * supported - skip the max values setting, release the lock if
3986 	 * needed, and proceed to the queries. Other failures, including a
3987 	 * failure to acquire the lock, will cause this function to fail.
3988 	 */
3989 	qed_mcp_resc_lock_default_init(&resc_lock_params, &resc_unlock_params,
3990 				       QED_RESC_LOCK_RESC_ALLOC, false);
3991 
3992 	rc = qed_mcp_resc_lock(p_hwfn, p_ptt, &resc_lock_params);
3993 	if (rc && rc != -EINVAL) {
3994 		return rc;
3995 	} else if (rc == -EINVAL) {
3996 		DP_INFO(p_hwfn,
3997 			"Skip the max values setting of the soft resources since the resource lock is not supported by the MFW\n");
3998 	} else if (!resc_lock_params.b_granted) {
3999 		DP_NOTICE(p_hwfn,
4000 			  "Failed to acquire the resource lock for the resource allocation commands\n");
4001 		return -EBUSY;
4002 	} else {
4003 		rc = qed_hw_set_soft_resc_size(p_hwfn, p_ptt);
4004 		if (rc && rc != -EINVAL) {
4005 			DP_NOTICE(p_hwfn,
4006 				  "Failed to set the max values of the soft resources\n");
4007 			goto unlock_and_exit;
4008 		} else if (rc == -EINVAL) {
4009 			DP_INFO(p_hwfn,
4010 				"Skip the max values setting of the soft resources since it is not supported by the MFW\n");
4011 			rc = qed_mcp_resc_unlock(p_hwfn, p_ptt,
4012 						 &resc_unlock_params);
4013 			if (rc)
4014 				DP_INFO(p_hwfn,
4015 					"Failed to release the resource lock for the resource allocation commands\n");
4016 		}
4017 	}
4018 
4019 	rc = qed_hw_set_resc_info(p_hwfn);
4020 	if (rc)
4021 		goto unlock_and_exit;
4022 
4023 	if (resc_lock_params.b_granted && !resc_unlock_params.b_released) {
4024 		rc = qed_mcp_resc_unlock(p_hwfn, p_ptt, &resc_unlock_params);
4025 		if (rc)
4026 			DP_INFO(p_hwfn,
4027 				"Failed to release the resource lock for the resource allocation commands\n");
4028 	}
4029 
4030 	/* PPFID bitmap */
4031 	if (IS_LEAD_HWFN(p_hwfn)) {
4032 		rc = qed_hw_get_ppfid_bitmap(p_hwfn, p_ptt);
4033 		if (rc)
4034 			return rc;
4035 	}
4036 
4037 	/* Sanity for ILT */
4038 	if ((b_ah && (RESC_END(p_hwfn, QED_ILT) > PXP_NUM_ILT_RECORDS_K2)) ||
4039 	    (!b_ah && (RESC_END(p_hwfn, QED_ILT) > PXP_NUM_ILT_RECORDS_BB))) {
4040 		DP_NOTICE(p_hwfn, "Can't assign ILT pages [%08x,...,%08x]\n",
4041 			  RESC_START(p_hwfn, QED_ILT),
4042 			  RESC_END(p_hwfn, QED_ILT) - 1);
4043 		return -EINVAL;
4044 	}
4045 
4046 	/* This will also learn the number of SBs from MFW */
4047 	if (qed_int_igu_reset_cam(p_hwfn, p_ptt))
4048 		return -EINVAL;
4049 
4050 	qed_hw_set_feat(p_hwfn);
4051 
4052 	for (res_id = 0; res_id < QED_MAX_RESC; res_id++)
4053 		DP_VERBOSE(p_hwfn, NETIF_MSG_PROBE, "%s = %d start = %d\n",
4054 			   qed_hw_get_resc_name(res_id),
4055 			   RESC_NUM(p_hwfn, res_id),
4056 			   RESC_START(p_hwfn, res_id));
4057 
4058 	return 0;
4059 
4060 unlock_and_exit:
4061 	if (resc_lock_params.b_granted && !resc_unlock_params.b_released)
4062 		qed_mcp_resc_unlock(p_hwfn, p_ptt, &resc_unlock_params);
4063 	return rc;
4064 }
4065 
qed_hw_get_nvm_info(struct qed_hwfn * p_hwfn,struct qed_ptt * p_ptt)4066 static int qed_hw_get_nvm_info(struct qed_hwfn *p_hwfn, struct qed_ptt *p_ptt)
4067 {
4068 	u32 port_cfg_addr, link_temp, nvm_cfg_addr, device_capabilities, fld;
4069 	u32 nvm_cfg1_offset, mf_mode, addr, generic_cont0, core_cfg;
4070 	struct qed_mcp_link_speed_params *ext_speed;
4071 	struct qed_mcp_link_capabilities *p_caps;
4072 	struct qed_mcp_link_params *link;
4073 	int i;
4074 
4075 	/* Read global nvm_cfg address */
4076 	nvm_cfg_addr = qed_rd(p_hwfn, p_ptt, MISC_REG_GEN_PURP_CR0);
4077 
4078 	/* Verify MCP has initialized it */
4079 	if (!nvm_cfg_addr) {
4080 		DP_NOTICE(p_hwfn, "Shared memory not initialized\n");
4081 		return -EINVAL;
4082 	}
4083 
4084 	/* Read nvm_cfg1  (Notice this is just offset, and not offsize (TBD) */
4085 	nvm_cfg1_offset = qed_rd(p_hwfn, p_ptt, nvm_cfg_addr + 4);
4086 
4087 	addr = MCP_REG_SCRATCH + nvm_cfg1_offset +
4088 	       offsetof(struct nvm_cfg1, glob) +
4089 	       offsetof(struct nvm_cfg1_glob, core_cfg);
4090 
4091 	core_cfg = qed_rd(p_hwfn, p_ptt, addr);
4092 
4093 	switch ((core_cfg & NVM_CFG1_GLOB_NETWORK_PORT_MODE_MASK) >>
4094 		NVM_CFG1_GLOB_NETWORK_PORT_MODE_OFFSET) {
4095 	case NVM_CFG1_GLOB_NETWORK_PORT_MODE_BB_2X40G:
4096 	case NVM_CFG1_GLOB_NETWORK_PORT_MODE_2X50G:
4097 	case NVM_CFG1_GLOB_NETWORK_PORT_MODE_BB_1X100G:
4098 	case NVM_CFG1_GLOB_NETWORK_PORT_MODE_4X10G_F:
4099 	case NVM_CFG1_GLOB_NETWORK_PORT_MODE_BB_4X10G_E:
4100 	case NVM_CFG1_GLOB_NETWORK_PORT_MODE_BB_4X20G:
4101 	case NVM_CFG1_GLOB_NETWORK_PORT_MODE_1X40G:
4102 	case NVM_CFG1_GLOB_NETWORK_PORT_MODE_2X25G:
4103 	case NVM_CFG1_GLOB_NETWORK_PORT_MODE_2X10G:
4104 	case NVM_CFG1_GLOB_NETWORK_PORT_MODE_1X25G:
4105 	case NVM_CFG1_GLOB_NETWORK_PORT_MODE_4X25G:
4106 	case NVM_CFG1_GLOB_NETWORK_PORT_MODE_AHP_2X50G_R1:
4107 	case NVM_CFG1_GLOB_NETWORK_PORT_MODE_AHP_4X50G_R1:
4108 	case NVM_CFG1_GLOB_NETWORK_PORT_MODE_AHP_1X100G_R2:
4109 	case NVM_CFG1_GLOB_NETWORK_PORT_MODE_AHP_2X100G_R2:
4110 	case NVM_CFG1_GLOB_NETWORK_PORT_MODE_AHP_1X100G_R4:
4111 		break;
4112 	default:
4113 		DP_NOTICE(p_hwfn, "Unknown port mode in 0x%08x\n", core_cfg);
4114 		break;
4115 	}
4116 
4117 	/* Read default link configuration */
4118 	link = &p_hwfn->mcp_info->link_input;
4119 	p_caps = &p_hwfn->mcp_info->link_capabilities;
4120 	port_cfg_addr = MCP_REG_SCRATCH + nvm_cfg1_offset +
4121 			offsetof(struct nvm_cfg1, port[MFW_PORT(p_hwfn)]);
4122 	link_temp = qed_rd(p_hwfn, p_ptt,
4123 			   port_cfg_addr +
4124 			   offsetof(struct nvm_cfg1_port, speed_cap_mask));
4125 	link_temp &= NVM_CFG1_PORT_DRV_SPEED_CAPABILITY_MASK_MASK;
4126 	link->speed.advertised_speeds = link_temp;
4127 
4128 	p_caps->speed_capabilities = link->speed.advertised_speeds;
4129 
4130 	link_temp = qed_rd(p_hwfn, p_ptt,
4131 			   port_cfg_addr +
4132 			   offsetof(struct nvm_cfg1_port, link_settings));
4133 	switch ((link_temp & NVM_CFG1_PORT_DRV_LINK_SPEED_MASK) >>
4134 		NVM_CFG1_PORT_DRV_LINK_SPEED_OFFSET) {
4135 	case NVM_CFG1_PORT_DRV_LINK_SPEED_AUTONEG:
4136 		link->speed.autoneg = true;
4137 		break;
4138 	case NVM_CFG1_PORT_DRV_LINK_SPEED_1G:
4139 		link->speed.forced_speed = 1000;
4140 		break;
4141 	case NVM_CFG1_PORT_DRV_LINK_SPEED_10G:
4142 		link->speed.forced_speed = 10000;
4143 		break;
4144 	case NVM_CFG1_PORT_DRV_LINK_SPEED_20G:
4145 		link->speed.forced_speed = 20000;
4146 		break;
4147 	case NVM_CFG1_PORT_DRV_LINK_SPEED_25G:
4148 		link->speed.forced_speed = 25000;
4149 		break;
4150 	case NVM_CFG1_PORT_DRV_LINK_SPEED_40G:
4151 		link->speed.forced_speed = 40000;
4152 		break;
4153 	case NVM_CFG1_PORT_DRV_LINK_SPEED_50G:
4154 		link->speed.forced_speed = 50000;
4155 		break;
4156 	case NVM_CFG1_PORT_DRV_LINK_SPEED_BB_100G:
4157 		link->speed.forced_speed = 100000;
4158 		break;
4159 	default:
4160 		DP_NOTICE(p_hwfn, "Unknown Speed in 0x%08x\n", link_temp);
4161 	}
4162 
4163 	p_caps->default_speed_autoneg = link->speed.autoneg;
4164 
4165 	fld = GET_MFW_FIELD(link_temp, NVM_CFG1_PORT_DRV_FLOW_CONTROL);
4166 	link->pause.autoneg = !!(fld & NVM_CFG1_PORT_DRV_FLOW_CONTROL_AUTONEG);
4167 	link->pause.forced_rx = !!(fld & NVM_CFG1_PORT_DRV_FLOW_CONTROL_RX);
4168 	link->pause.forced_tx = !!(fld & NVM_CFG1_PORT_DRV_FLOW_CONTROL_TX);
4169 	link->loopback_mode = 0;
4170 
4171 	if (p_hwfn->mcp_info->capabilities &
4172 	    FW_MB_PARAM_FEATURE_SUPPORT_FEC_CONTROL) {
4173 		switch (GET_MFW_FIELD(link_temp,
4174 				      NVM_CFG1_PORT_FEC_FORCE_MODE)) {
4175 		case NVM_CFG1_PORT_FEC_FORCE_MODE_NONE:
4176 			p_caps->fec_default |= QED_FEC_MODE_NONE;
4177 			break;
4178 		case NVM_CFG1_PORT_FEC_FORCE_MODE_FIRECODE:
4179 			p_caps->fec_default |= QED_FEC_MODE_FIRECODE;
4180 			break;
4181 		case NVM_CFG1_PORT_FEC_FORCE_MODE_RS:
4182 			p_caps->fec_default |= QED_FEC_MODE_RS;
4183 			break;
4184 		case NVM_CFG1_PORT_FEC_FORCE_MODE_AUTO:
4185 			p_caps->fec_default |= QED_FEC_MODE_AUTO;
4186 			break;
4187 		default:
4188 			DP_VERBOSE(p_hwfn, NETIF_MSG_LINK,
4189 				   "unknown FEC mode in 0x%08x\n", link_temp);
4190 		}
4191 	} else {
4192 		p_caps->fec_default = QED_FEC_MODE_UNSUPPORTED;
4193 	}
4194 
4195 	link->fec = p_caps->fec_default;
4196 
4197 	if (p_hwfn->mcp_info->capabilities & FW_MB_PARAM_FEATURE_SUPPORT_EEE) {
4198 		link_temp = qed_rd(p_hwfn, p_ptt, port_cfg_addr +
4199 				   offsetof(struct nvm_cfg1_port, ext_phy));
4200 		link_temp &= NVM_CFG1_PORT_EEE_POWER_SAVING_MODE_MASK;
4201 		link_temp >>= NVM_CFG1_PORT_EEE_POWER_SAVING_MODE_OFFSET;
4202 		p_caps->default_eee = QED_MCP_EEE_ENABLED;
4203 		link->eee.enable = true;
4204 		switch (link_temp) {
4205 		case NVM_CFG1_PORT_EEE_POWER_SAVING_MODE_DISABLED:
4206 			p_caps->default_eee = QED_MCP_EEE_DISABLED;
4207 			link->eee.enable = false;
4208 			break;
4209 		case NVM_CFG1_PORT_EEE_POWER_SAVING_MODE_BALANCED:
4210 			p_caps->eee_lpi_timer = EEE_TX_TIMER_USEC_BALANCED_TIME;
4211 			break;
4212 		case NVM_CFG1_PORT_EEE_POWER_SAVING_MODE_AGGRESSIVE:
4213 			p_caps->eee_lpi_timer =
4214 			    EEE_TX_TIMER_USEC_AGGRESSIVE_TIME;
4215 			break;
4216 		case NVM_CFG1_PORT_EEE_POWER_SAVING_MODE_LOW_LATENCY:
4217 			p_caps->eee_lpi_timer = EEE_TX_TIMER_USEC_LATENCY_TIME;
4218 			break;
4219 		}
4220 
4221 		link->eee.tx_lpi_timer = p_caps->eee_lpi_timer;
4222 		link->eee.tx_lpi_enable = link->eee.enable;
4223 		link->eee.adv_caps = QED_EEE_1G_ADV | QED_EEE_10G_ADV;
4224 	} else {
4225 		p_caps->default_eee = QED_MCP_EEE_UNSUPPORTED;
4226 	}
4227 
4228 	if (p_hwfn->mcp_info->capabilities &
4229 	    FW_MB_PARAM_FEATURE_SUPPORT_EXT_SPEED_FEC_CONTROL) {
4230 		ext_speed = &link->ext_speed;
4231 
4232 		link_temp = qed_rd(p_hwfn, p_ptt,
4233 				   port_cfg_addr +
4234 				   offsetof(struct nvm_cfg1_port,
4235 					    extended_speed));
4236 
4237 		fld = GET_MFW_FIELD(link_temp, NVM_CFG1_PORT_EXTENDED_SPEED);
4238 		if (fld & NVM_CFG1_PORT_EXTENDED_SPEED_EXTND_SPD_AN)
4239 			ext_speed->autoneg = true;
4240 
4241 		ext_speed->forced_speed = 0;
4242 		if (fld & NVM_CFG1_PORT_EXTENDED_SPEED_EXTND_SPD_1G)
4243 			ext_speed->forced_speed |= QED_EXT_SPEED_1G;
4244 		if (fld & NVM_CFG1_PORT_EXTENDED_SPEED_EXTND_SPD_10G)
4245 			ext_speed->forced_speed |= QED_EXT_SPEED_10G;
4246 		if (fld & NVM_CFG1_PORT_EXTENDED_SPEED_EXTND_SPD_20G)
4247 			ext_speed->forced_speed |= QED_EXT_SPEED_20G;
4248 		if (fld & NVM_CFG1_PORT_EXTENDED_SPEED_EXTND_SPD_25G)
4249 			ext_speed->forced_speed |= QED_EXT_SPEED_25G;
4250 		if (fld & NVM_CFG1_PORT_EXTENDED_SPEED_EXTND_SPD_40G)
4251 			ext_speed->forced_speed |= QED_EXT_SPEED_40G;
4252 		if (fld & NVM_CFG1_PORT_EXTENDED_SPEED_EXTND_SPD_50G_R)
4253 			ext_speed->forced_speed |= QED_EXT_SPEED_50G_R;
4254 		if (fld & NVM_CFG1_PORT_EXTENDED_SPEED_EXTND_SPD_50G_R2)
4255 			ext_speed->forced_speed |= QED_EXT_SPEED_50G_R2;
4256 		if (fld & NVM_CFG1_PORT_EXTENDED_SPEED_EXTND_SPD_100G_R2)
4257 			ext_speed->forced_speed |= QED_EXT_SPEED_100G_R2;
4258 		if (fld & NVM_CFG1_PORT_EXTENDED_SPEED_EXTND_SPD_100G_R4)
4259 			ext_speed->forced_speed |= QED_EXT_SPEED_100G_R4;
4260 		if (fld & NVM_CFG1_PORT_EXTENDED_SPEED_EXTND_SPD_100G_P4)
4261 			ext_speed->forced_speed |= QED_EXT_SPEED_100G_P4;
4262 
4263 		fld = GET_MFW_FIELD(link_temp,
4264 				    NVM_CFG1_PORT_EXTENDED_SPEED_CAP);
4265 
4266 		ext_speed->advertised_speeds = 0;
4267 		if (fld & NVM_CFG1_PORT_EXTENDED_SPEED_CAP_EXTND_SPD_RESERVED)
4268 			ext_speed->advertised_speeds |= QED_EXT_SPEED_MASK_RES;
4269 		if (fld & NVM_CFG1_PORT_EXTENDED_SPEED_CAP_EXTND_SPD_1G)
4270 			ext_speed->advertised_speeds |= QED_EXT_SPEED_MASK_1G;
4271 		if (fld & NVM_CFG1_PORT_EXTENDED_SPEED_CAP_EXTND_SPD_10G)
4272 			ext_speed->advertised_speeds |= QED_EXT_SPEED_MASK_10G;
4273 		if (fld & NVM_CFG1_PORT_EXTENDED_SPEED_CAP_EXTND_SPD_20G)
4274 			ext_speed->advertised_speeds |= QED_EXT_SPEED_MASK_20G;
4275 		if (fld & NVM_CFG1_PORT_EXTENDED_SPEED_CAP_EXTND_SPD_25G)
4276 			ext_speed->advertised_speeds |= QED_EXT_SPEED_MASK_25G;
4277 		if (fld & NVM_CFG1_PORT_EXTENDED_SPEED_CAP_EXTND_SPD_40G)
4278 			ext_speed->advertised_speeds |= QED_EXT_SPEED_MASK_40G;
4279 		if (fld & NVM_CFG1_PORT_EXTENDED_SPEED_CAP_EXTND_SPD_50G_R)
4280 			ext_speed->advertised_speeds |=
4281 				QED_EXT_SPEED_MASK_50G_R;
4282 		if (fld & NVM_CFG1_PORT_EXTENDED_SPEED_CAP_EXTND_SPD_50G_R2)
4283 			ext_speed->advertised_speeds |=
4284 				QED_EXT_SPEED_MASK_50G_R2;
4285 		if (fld & NVM_CFG1_PORT_EXTENDED_SPEED_CAP_EXTND_SPD_100G_R2)
4286 			ext_speed->advertised_speeds |=
4287 				QED_EXT_SPEED_MASK_100G_R2;
4288 		if (fld & NVM_CFG1_PORT_EXTENDED_SPEED_CAP_EXTND_SPD_100G_R4)
4289 			ext_speed->advertised_speeds |=
4290 				QED_EXT_SPEED_MASK_100G_R4;
4291 		if (fld & NVM_CFG1_PORT_EXTENDED_SPEED_CAP_EXTND_SPD_100G_P4)
4292 			ext_speed->advertised_speeds |=
4293 				QED_EXT_SPEED_MASK_100G_P4;
4294 
4295 		link_temp = qed_rd(p_hwfn, p_ptt,
4296 				   port_cfg_addr +
4297 				   offsetof(struct nvm_cfg1_port,
4298 					    extended_fec_mode));
4299 		link->ext_fec_mode = link_temp;
4300 
4301 		p_caps->default_ext_speed_caps = ext_speed->advertised_speeds;
4302 		p_caps->default_ext_speed = ext_speed->forced_speed;
4303 		p_caps->default_ext_autoneg = ext_speed->autoneg;
4304 		p_caps->default_ext_fec = link->ext_fec_mode;
4305 
4306 		DP_VERBOSE(p_hwfn, NETIF_MSG_LINK,
4307 			   "Read default extended link config: Speed 0x%08x, Adv. Speed 0x%08x, AN: 0x%02x, FEC: 0x%02x\n",
4308 			   ext_speed->forced_speed,
4309 			   ext_speed->advertised_speeds, ext_speed->autoneg,
4310 			   p_caps->default_ext_fec);
4311 	}
4312 
4313 	DP_VERBOSE(p_hwfn, NETIF_MSG_LINK,
4314 		   "Read default link: Speed 0x%08x, Adv. Speed 0x%08x, AN: 0x%02x, PAUSE AN: 0x%02x, EEE: 0x%02x [0x%08x usec], FEC: 0x%02x\n",
4315 		   link->speed.forced_speed, link->speed.advertised_speeds,
4316 		   link->speed.autoneg, link->pause.autoneg,
4317 		   p_caps->default_eee, p_caps->eee_lpi_timer,
4318 		   p_caps->fec_default);
4319 
4320 	if (IS_LEAD_HWFN(p_hwfn)) {
4321 		struct qed_dev *cdev = p_hwfn->cdev;
4322 
4323 		/* Read Multi-function information from shmem */
4324 		addr = MCP_REG_SCRATCH + nvm_cfg1_offset +
4325 		       offsetof(struct nvm_cfg1, glob) +
4326 		       offsetof(struct nvm_cfg1_glob, generic_cont0);
4327 
4328 		generic_cont0 = qed_rd(p_hwfn, p_ptt, addr);
4329 
4330 		mf_mode = (generic_cont0 & NVM_CFG1_GLOB_MF_MODE_MASK) >>
4331 			  NVM_CFG1_GLOB_MF_MODE_OFFSET;
4332 
4333 		switch (mf_mode) {
4334 		case NVM_CFG1_GLOB_MF_MODE_MF_ALLOWED:
4335 			cdev->mf_bits = BIT(QED_MF_OVLAN_CLSS);
4336 			break;
4337 		case NVM_CFG1_GLOB_MF_MODE_UFP:
4338 			cdev->mf_bits = BIT(QED_MF_OVLAN_CLSS) |
4339 					BIT(QED_MF_LLH_PROTO_CLSS) |
4340 					BIT(QED_MF_UFP_SPECIFIC) |
4341 					BIT(QED_MF_8021Q_TAGGING) |
4342 					BIT(QED_MF_DONT_ADD_VLAN0_TAG);
4343 			break;
4344 		case NVM_CFG1_GLOB_MF_MODE_BD:
4345 			cdev->mf_bits = BIT(QED_MF_OVLAN_CLSS) |
4346 					BIT(QED_MF_LLH_PROTO_CLSS) |
4347 					BIT(QED_MF_8021AD_TAGGING) |
4348 					BIT(QED_MF_DONT_ADD_VLAN0_TAG);
4349 			break;
4350 		case NVM_CFG1_GLOB_MF_MODE_NPAR1_0:
4351 			cdev->mf_bits = BIT(QED_MF_LLH_MAC_CLSS) |
4352 					BIT(QED_MF_LLH_PROTO_CLSS) |
4353 					BIT(QED_MF_LL2_NON_UNICAST) |
4354 					BIT(QED_MF_INTER_PF_SWITCH) |
4355 					BIT(QED_MF_DISABLE_ARFS);
4356 			break;
4357 		case NVM_CFG1_GLOB_MF_MODE_DEFAULT:
4358 			cdev->mf_bits = BIT(QED_MF_LLH_MAC_CLSS) |
4359 					BIT(QED_MF_LLH_PROTO_CLSS) |
4360 					BIT(QED_MF_LL2_NON_UNICAST);
4361 			if (QED_IS_BB(p_hwfn->cdev))
4362 				cdev->mf_bits |= BIT(QED_MF_NEED_DEF_PF);
4363 			break;
4364 		}
4365 
4366 		DP_INFO(p_hwfn, "Multi function mode is 0x%lx\n",
4367 			cdev->mf_bits);
4368 
4369 		/* In CMT the PF is unknown when the GFS block processes the
4370 		 * packet. Therefore cannot use searcher as it has a per PF
4371 		 * database, and thus ARFS must be disabled.
4372 		 *
4373 		 */
4374 		if (QED_IS_CMT(cdev))
4375 			cdev->mf_bits |= BIT(QED_MF_DISABLE_ARFS);
4376 	}
4377 
4378 	DP_INFO(p_hwfn, "Multi function mode is 0x%lx\n",
4379 		p_hwfn->cdev->mf_bits);
4380 
4381 	/* Read device capabilities information from shmem */
4382 	addr = MCP_REG_SCRATCH + nvm_cfg1_offset +
4383 		offsetof(struct nvm_cfg1, glob) +
4384 		offsetof(struct nvm_cfg1_glob, device_capabilities);
4385 
4386 	device_capabilities = qed_rd(p_hwfn, p_ptt, addr);
4387 	if (device_capabilities & NVM_CFG1_GLOB_DEVICE_CAPABILITIES_ETHERNET)
4388 		__set_bit(QED_DEV_CAP_ETH,
4389 			  &p_hwfn->hw_info.device_capabilities);
4390 	if (device_capabilities & NVM_CFG1_GLOB_DEVICE_CAPABILITIES_FCOE)
4391 		__set_bit(QED_DEV_CAP_FCOE,
4392 			  &p_hwfn->hw_info.device_capabilities);
4393 	if (device_capabilities & NVM_CFG1_GLOB_DEVICE_CAPABILITIES_ISCSI)
4394 		__set_bit(QED_DEV_CAP_ISCSI,
4395 			  &p_hwfn->hw_info.device_capabilities);
4396 	if (device_capabilities & NVM_CFG1_GLOB_DEVICE_CAPABILITIES_ROCE)
4397 		__set_bit(QED_DEV_CAP_ROCE,
4398 			  &p_hwfn->hw_info.device_capabilities);
4399 
4400 	/* Read device serial number information from shmem */
4401 	addr = MCP_REG_SCRATCH + nvm_cfg1_offset +
4402 		offsetof(struct nvm_cfg1, glob) +
4403 		offsetof(struct nvm_cfg1_glob, serial_number);
4404 
4405 	for (i = 0; i < 4; i++)
4406 		p_hwfn->hw_info.part_num[i] = qed_rd(p_hwfn, p_ptt, addr + i * 4);
4407 
4408 	return qed_mcp_fill_shmem_func_info(p_hwfn, p_ptt);
4409 }
4410 
qed_get_num_funcs(struct qed_hwfn * p_hwfn,struct qed_ptt * p_ptt)4411 static void qed_get_num_funcs(struct qed_hwfn *p_hwfn, struct qed_ptt *p_ptt)
4412 {
4413 	u8 num_funcs, enabled_func_idx = p_hwfn->rel_pf_id;
4414 	u32 reg_function_hide, tmp, eng_mask, low_pfs_mask;
4415 	struct qed_dev *cdev = p_hwfn->cdev;
4416 
4417 	num_funcs = QED_IS_AH(cdev) ? MAX_NUM_PFS_K2 : MAX_NUM_PFS_BB;
4418 
4419 	/* Bit 0 of MISCS_REG_FUNCTION_HIDE indicates whether the bypass values
4420 	 * in the other bits are selected.
4421 	 * Bits 1-15 are for functions 1-15, respectively, and their value is
4422 	 * '0' only for enabled functions (function 0 always exists and
4423 	 * enabled).
4424 	 * In case of CMT, only the "even" functions are enabled, and thus the
4425 	 * number of functions for both hwfns is learnt from the same bits.
4426 	 */
4427 	reg_function_hide = qed_rd(p_hwfn, p_ptt, MISCS_REG_FUNCTION_HIDE);
4428 
4429 	if (reg_function_hide & 0x1) {
4430 		if (QED_IS_BB(cdev)) {
4431 			if (QED_PATH_ID(p_hwfn) && cdev->num_hwfns == 1) {
4432 				num_funcs = 0;
4433 				eng_mask = 0xaaaa;
4434 			} else {
4435 				num_funcs = 1;
4436 				eng_mask = 0x5554;
4437 			}
4438 		} else {
4439 			num_funcs = 1;
4440 			eng_mask = 0xfffe;
4441 		}
4442 
4443 		/* Get the number of the enabled functions on the engine */
4444 		tmp = (reg_function_hide ^ 0xffffffff) & eng_mask;
4445 		while (tmp) {
4446 			if (tmp & 0x1)
4447 				num_funcs++;
4448 			tmp >>= 0x1;
4449 		}
4450 
4451 		/* Get the PF index within the enabled functions */
4452 		low_pfs_mask = (0x1 << p_hwfn->abs_pf_id) - 1;
4453 		tmp = reg_function_hide & eng_mask & low_pfs_mask;
4454 		while (tmp) {
4455 			if (tmp & 0x1)
4456 				enabled_func_idx--;
4457 			tmp >>= 0x1;
4458 		}
4459 	}
4460 
4461 	p_hwfn->num_funcs_on_engine = num_funcs;
4462 	p_hwfn->enabled_func_idx = enabled_func_idx;
4463 
4464 	DP_VERBOSE(p_hwfn,
4465 		   NETIF_MSG_PROBE,
4466 		   "PF [rel_id %d, abs_id %d] occupies index %d within the %d enabled functions on the engine\n",
4467 		   p_hwfn->rel_pf_id,
4468 		   p_hwfn->abs_pf_id,
4469 		   p_hwfn->enabled_func_idx, p_hwfn->num_funcs_on_engine);
4470 }
4471 
qed_hw_info_port_num(struct qed_hwfn * p_hwfn,struct qed_ptt * p_ptt)4472 static void qed_hw_info_port_num(struct qed_hwfn *p_hwfn, struct qed_ptt *p_ptt)
4473 {
4474 	u32 addr, global_offsize, global_addr, port_mode;
4475 	struct qed_dev *cdev = p_hwfn->cdev;
4476 
4477 	/* In CMT there is always only one port */
4478 	if (cdev->num_hwfns > 1) {
4479 		cdev->num_ports_in_engine = 1;
4480 		cdev->num_ports = 1;
4481 		return;
4482 	}
4483 
4484 	/* Determine the number of ports per engine */
4485 	port_mode = qed_rd(p_hwfn, p_ptt, MISC_REG_PORT_MODE);
4486 	switch (port_mode) {
4487 	case 0x0:
4488 		cdev->num_ports_in_engine = 1;
4489 		break;
4490 	case 0x1:
4491 		cdev->num_ports_in_engine = 2;
4492 		break;
4493 	case 0x2:
4494 		cdev->num_ports_in_engine = 4;
4495 		break;
4496 	default:
4497 		DP_NOTICE(p_hwfn, "Unknown port mode 0x%08x\n", port_mode);
4498 		cdev->num_ports_in_engine = 1;	/* Default to something */
4499 		break;
4500 	}
4501 
4502 	/* Get the total number of ports of the device */
4503 	addr = SECTION_OFFSIZE_ADDR(p_hwfn->mcp_info->public_base,
4504 				    PUBLIC_GLOBAL);
4505 	global_offsize = qed_rd(p_hwfn, p_ptt, addr);
4506 	global_addr = SECTION_ADDR(global_offsize, 0);
4507 	addr = global_addr + offsetof(struct public_global, max_ports);
4508 	cdev->num_ports = (u8)qed_rd(p_hwfn, p_ptt, addr);
4509 }
4510 
qed_get_eee_caps(struct qed_hwfn * p_hwfn,struct qed_ptt * p_ptt)4511 static void qed_get_eee_caps(struct qed_hwfn *p_hwfn, struct qed_ptt *p_ptt)
4512 {
4513 	struct qed_mcp_link_capabilities *p_caps;
4514 	u32 eee_status;
4515 
4516 	p_caps = &p_hwfn->mcp_info->link_capabilities;
4517 	if (p_caps->default_eee == QED_MCP_EEE_UNSUPPORTED)
4518 		return;
4519 
4520 	p_caps->eee_speed_caps = 0;
4521 	eee_status = qed_rd(p_hwfn, p_ptt, p_hwfn->mcp_info->port_addr +
4522 			    offsetof(struct public_port, eee_status));
4523 	eee_status = (eee_status & EEE_SUPPORTED_SPEED_MASK) >>
4524 			EEE_SUPPORTED_SPEED_OFFSET;
4525 
4526 	if (eee_status & EEE_1G_SUPPORTED)
4527 		p_caps->eee_speed_caps |= QED_EEE_1G_ADV;
4528 	if (eee_status & EEE_10G_ADV)
4529 		p_caps->eee_speed_caps |= QED_EEE_10G_ADV;
4530 }
4531 
4532 static int
qed_get_hw_info(struct qed_hwfn * p_hwfn,struct qed_ptt * p_ptt,enum qed_pci_personality personality)4533 qed_get_hw_info(struct qed_hwfn *p_hwfn,
4534 		struct qed_ptt *p_ptt,
4535 		enum qed_pci_personality personality)
4536 {
4537 	int rc;
4538 
4539 	/* Since all information is common, only first hwfns should do this */
4540 	if (IS_LEAD_HWFN(p_hwfn)) {
4541 		rc = qed_iov_hw_info(p_hwfn);
4542 		if (rc)
4543 			return rc;
4544 	}
4545 
4546 	if (IS_LEAD_HWFN(p_hwfn))
4547 		qed_hw_info_port_num(p_hwfn, p_ptt);
4548 
4549 	qed_mcp_get_capabilities(p_hwfn, p_ptt);
4550 
4551 	qed_hw_get_nvm_info(p_hwfn, p_ptt);
4552 
4553 	rc = qed_int_igu_read_cam(p_hwfn, p_ptt);
4554 	if (rc)
4555 		return rc;
4556 
4557 	if (qed_mcp_is_init(p_hwfn))
4558 		ether_addr_copy(p_hwfn->hw_info.hw_mac_addr,
4559 				p_hwfn->mcp_info->func_info.mac);
4560 	else
4561 		eth_random_addr(p_hwfn->hw_info.hw_mac_addr);
4562 
4563 	if (qed_mcp_is_init(p_hwfn)) {
4564 		if (p_hwfn->mcp_info->func_info.ovlan != QED_MCP_VLAN_UNSET)
4565 			p_hwfn->hw_info.ovlan =
4566 				p_hwfn->mcp_info->func_info.ovlan;
4567 
4568 		qed_mcp_cmd_port_init(p_hwfn, p_ptt);
4569 
4570 		qed_get_eee_caps(p_hwfn, p_ptt);
4571 
4572 		qed_mcp_read_ufp_config(p_hwfn, p_ptt);
4573 	}
4574 
4575 	if (qed_mcp_is_init(p_hwfn)) {
4576 		enum qed_pci_personality protocol;
4577 
4578 		protocol = p_hwfn->mcp_info->func_info.protocol;
4579 		p_hwfn->hw_info.personality = protocol;
4580 	}
4581 
4582 	if (QED_IS_ROCE_PERSONALITY(p_hwfn))
4583 		p_hwfn->hw_info.multi_tc_roce_en = true;
4584 
4585 	p_hwfn->hw_info.num_hw_tc = NUM_PHYS_TCS_4PORT_K2;
4586 	p_hwfn->hw_info.num_active_tc = 1;
4587 
4588 	qed_get_num_funcs(p_hwfn, p_ptt);
4589 
4590 	if (qed_mcp_is_init(p_hwfn))
4591 		p_hwfn->hw_info.mtu = p_hwfn->mcp_info->func_info.mtu;
4592 
4593 	return qed_hw_get_resc(p_hwfn, p_ptt);
4594 }
4595 
qed_get_dev_info(struct qed_hwfn * p_hwfn,struct qed_ptt * p_ptt)4596 static int qed_get_dev_info(struct qed_hwfn *p_hwfn, struct qed_ptt *p_ptt)
4597 {
4598 	struct qed_dev *cdev = p_hwfn->cdev;
4599 	u16 device_id_mask;
4600 	u32 tmp;
4601 
4602 	/* Read Vendor Id / Device Id */
4603 	pci_read_config_word(cdev->pdev, PCI_VENDOR_ID, &cdev->vendor_id);
4604 	pci_read_config_word(cdev->pdev, PCI_DEVICE_ID, &cdev->device_id);
4605 
4606 	/* Determine type */
4607 	device_id_mask = cdev->device_id & QED_DEV_ID_MASK;
4608 	switch (device_id_mask) {
4609 	case QED_DEV_ID_MASK_BB:
4610 		cdev->type = QED_DEV_TYPE_BB;
4611 		break;
4612 	case QED_DEV_ID_MASK_AH:
4613 		cdev->type = QED_DEV_TYPE_AH;
4614 		break;
4615 	default:
4616 		DP_NOTICE(p_hwfn, "Unknown device id 0x%x\n", cdev->device_id);
4617 		return -EBUSY;
4618 	}
4619 
4620 	cdev->chip_num = (u16)qed_rd(p_hwfn, p_ptt, MISCS_REG_CHIP_NUM);
4621 	cdev->chip_rev = (u16)qed_rd(p_hwfn, p_ptt, MISCS_REG_CHIP_REV);
4622 
4623 	MASK_FIELD(CHIP_REV, cdev->chip_rev);
4624 
4625 	/* Learn number of HW-functions */
4626 	tmp = qed_rd(p_hwfn, p_ptt, MISCS_REG_CMT_ENABLED_FOR_PAIR);
4627 
4628 	if (tmp & (1 << p_hwfn->rel_pf_id)) {
4629 		DP_NOTICE(cdev->hwfns, "device in CMT mode\n");
4630 		cdev->num_hwfns = 2;
4631 	} else {
4632 		cdev->num_hwfns = 1;
4633 	}
4634 
4635 	cdev->chip_bond_id = qed_rd(p_hwfn, p_ptt,
4636 				    MISCS_REG_CHIP_TEST_REG) >> 4;
4637 	MASK_FIELD(CHIP_BOND_ID, cdev->chip_bond_id);
4638 	cdev->chip_metal = (u16)qed_rd(p_hwfn, p_ptt, MISCS_REG_CHIP_METAL);
4639 	MASK_FIELD(CHIP_METAL, cdev->chip_metal);
4640 
4641 	DP_INFO(cdev->hwfns,
4642 		"Chip details - %s %c%d, Num: %04x Rev: %04x Bond id: %04x Metal: %04x\n",
4643 		QED_IS_BB(cdev) ? "BB" : "AH",
4644 		'A' + cdev->chip_rev,
4645 		(int)cdev->chip_metal,
4646 		cdev->chip_num, cdev->chip_rev,
4647 		cdev->chip_bond_id, cdev->chip_metal);
4648 
4649 	return 0;
4650 }
4651 
qed_hw_prepare_single(struct qed_hwfn * p_hwfn,void __iomem * p_regview,void __iomem * p_doorbells,u64 db_phys_addr,enum qed_pci_personality personality)4652 static int qed_hw_prepare_single(struct qed_hwfn *p_hwfn,
4653 				 void __iomem *p_regview,
4654 				 void __iomem *p_doorbells,
4655 				 u64 db_phys_addr,
4656 				 enum qed_pci_personality personality)
4657 {
4658 	struct qed_dev *cdev = p_hwfn->cdev;
4659 	int rc = 0;
4660 
4661 	/* Split PCI bars evenly between hwfns */
4662 	p_hwfn->regview = p_regview;
4663 	p_hwfn->doorbells = p_doorbells;
4664 	p_hwfn->db_phys_addr = db_phys_addr;
4665 
4666 	if (IS_VF(p_hwfn->cdev))
4667 		return qed_vf_hw_prepare(p_hwfn);
4668 
4669 	/* Validate that chip access is feasible */
4670 	if (REG_RD(p_hwfn, PXP_PF_ME_OPAQUE_ADDR) == 0xffffffff) {
4671 		DP_ERR(p_hwfn,
4672 		       "Reading the ME register returns all Fs; Preventing further chip access\n");
4673 		return -EINVAL;
4674 	}
4675 
4676 	get_function_id(p_hwfn);
4677 
4678 	/* Allocate PTT pool */
4679 	rc = qed_ptt_pool_alloc(p_hwfn);
4680 	if (rc)
4681 		goto err0;
4682 
4683 	/* Allocate the main PTT */
4684 	p_hwfn->p_main_ptt = qed_get_reserved_ptt(p_hwfn, RESERVED_PTT_MAIN);
4685 
4686 	/* First hwfn learns basic information, e.g., number of hwfns */
4687 	if (!p_hwfn->my_id) {
4688 		rc = qed_get_dev_info(p_hwfn, p_hwfn->p_main_ptt);
4689 		if (rc)
4690 			goto err1;
4691 	}
4692 
4693 	qed_hw_hwfn_prepare(p_hwfn);
4694 
4695 	/* Initialize MCP structure */
4696 	rc = qed_mcp_cmd_init(p_hwfn, p_hwfn->p_main_ptt);
4697 	if (rc) {
4698 		DP_NOTICE(p_hwfn, "Failed initializing mcp command\n");
4699 		goto err1;
4700 	}
4701 
4702 	/* Read the device configuration information from the HW and SHMEM */
4703 	rc = qed_get_hw_info(p_hwfn, p_hwfn->p_main_ptt, personality);
4704 	if (rc) {
4705 		DP_NOTICE(p_hwfn, "Failed to get HW information\n");
4706 		goto err2;
4707 	}
4708 
4709 	/* Sending a mailbox to the MFW should be done after qed_get_hw_info()
4710 	 * is called as it sets the ports number in an engine.
4711 	 */
4712 	if (IS_LEAD_HWFN(p_hwfn) && !cdev->recov_in_prog) {
4713 		rc = qed_mcp_initiate_pf_flr(p_hwfn, p_hwfn->p_main_ptt);
4714 		if (rc)
4715 			DP_NOTICE(p_hwfn, "Failed to initiate PF FLR\n");
4716 	}
4717 
4718 	/* NVRAM info initialization and population */
4719 	if (IS_LEAD_HWFN(p_hwfn)) {
4720 		rc = qed_mcp_nvm_info_populate(p_hwfn);
4721 		if (rc) {
4722 			DP_NOTICE(p_hwfn,
4723 				  "Failed to populate nvm info shadow\n");
4724 			goto err2;
4725 		}
4726 	}
4727 
4728 	/* Allocate the init RT array and initialize the init-ops engine */
4729 	rc = qed_init_alloc(p_hwfn);
4730 	if (rc)
4731 		goto err3;
4732 
4733 	return rc;
4734 err3:
4735 	if (IS_LEAD_HWFN(p_hwfn))
4736 		qed_mcp_nvm_info_free(p_hwfn);
4737 err2:
4738 	if (IS_LEAD_HWFN(p_hwfn))
4739 		qed_iov_free_hw_info(p_hwfn->cdev);
4740 	qed_mcp_free(p_hwfn);
4741 err1:
4742 	qed_hw_hwfn_free(p_hwfn);
4743 err0:
4744 	return rc;
4745 }
4746 
qed_hw_prepare(struct qed_dev * cdev,int personality)4747 int qed_hw_prepare(struct qed_dev *cdev,
4748 		   int personality)
4749 {
4750 	struct qed_hwfn *p_hwfn = QED_LEADING_HWFN(cdev);
4751 	int rc;
4752 
4753 	/* Store the precompiled init data ptrs */
4754 	if (IS_PF(cdev))
4755 		qed_init_iro_array(cdev);
4756 
4757 	/* Initialize the first hwfn - will learn number of hwfns */
4758 	rc = qed_hw_prepare_single(p_hwfn,
4759 				   cdev->regview,
4760 				   cdev->doorbells,
4761 				   cdev->db_phys_addr,
4762 				   personality);
4763 	if (rc)
4764 		return rc;
4765 
4766 	personality = p_hwfn->hw_info.personality;
4767 
4768 	/* Initialize the rest of the hwfns */
4769 	if (cdev->num_hwfns > 1) {
4770 		void __iomem *p_regview, *p_doorbell;
4771 		u64 db_phys_addr;
4772 		u32 offset;
4773 
4774 		/* adjust bar offset for second engine */
4775 		offset = qed_hw_bar_size(p_hwfn, p_hwfn->p_main_ptt,
4776 					 BAR_ID_0) / 2;
4777 		p_regview = cdev->regview + offset;
4778 
4779 		offset = qed_hw_bar_size(p_hwfn, p_hwfn->p_main_ptt,
4780 					 BAR_ID_1) / 2;
4781 
4782 		p_doorbell = cdev->doorbells + offset;
4783 
4784 		db_phys_addr = cdev->db_phys_addr + offset;
4785 
4786 		/* prepare second hw function */
4787 		rc = qed_hw_prepare_single(&cdev->hwfns[1], p_regview,
4788 					   p_doorbell, db_phys_addr,
4789 					   personality);
4790 
4791 		/* in case of error, need to free the previously
4792 		 * initiliazed hwfn 0.
4793 		 */
4794 		if (rc) {
4795 			if (IS_PF(cdev)) {
4796 				qed_init_free(p_hwfn);
4797 				qed_mcp_nvm_info_free(p_hwfn);
4798 				qed_mcp_free(p_hwfn);
4799 				qed_hw_hwfn_free(p_hwfn);
4800 			}
4801 		}
4802 	}
4803 
4804 	return rc;
4805 }
4806 
qed_hw_remove(struct qed_dev * cdev)4807 void qed_hw_remove(struct qed_dev *cdev)
4808 {
4809 	struct qed_hwfn *p_hwfn = QED_LEADING_HWFN(cdev);
4810 	int i;
4811 
4812 	if (IS_PF(cdev))
4813 		qed_mcp_ov_update_driver_state(p_hwfn, p_hwfn->p_main_ptt,
4814 					       QED_OV_DRIVER_STATE_NOT_LOADED);
4815 
4816 	for_each_hwfn(cdev, i) {
4817 		struct qed_hwfn *p_hwfn = &cdev->hwfns[i];
4818 
4819 		if (IS_VF(cdev)) {
4820 			qed_vf_pf_release(p_hwfn);
4821 			continue;
4822 		}
4823 
4824 		qed_init_free(p_hwfn);
4825 		qed_hw_hwfn_free(p_hwfn);
4826 		qed_mcp_free(p_hwfn);
4827 	}
4828 
4829 	qed_iov_free_hw_info(cdev);
4830 
4831 	qed_mcp_nvm_info_free(p_hwfn);
4832 }
4833 
qed_fw_l2_queue(struct qed_hwfn * p_hwfn,u16 src_id,u16 * dst_id)4834 int qed_fw_l2_queue(struct qed_hwfn *p_hwfn, u16 src_id, u16 *dst_id)
4835 {
4836 	if (src_id >= RESC_NUM(p_hwfn, QED_L2_QUEUE)) {
4837 		u16 min, max;
4838 
4839 		min = (u16)RESC_START(p_hwfn, QED_L2_QUEUE);
4840 		max = min + RESC_NUM(p_hwfn, QED_L2_QUEUE);
4841 		DP_NOTICE(p_hwfn,
4842 			  "l2_queue id [%d] is not valid, available indices [%d - %d]\n",
4843 			  src_id, min, max);
4844 
4845 		return -EINVAL;
4846 	}
4847 
4848 	*dst_id = RESC_START(p_hwfn, QED_L2_QUEUE) + src_id;
4849 
4850 	return 0;
4851 }
4852 
qed_fw_vport(struct qed_hwfn * p_hwfn,u8 src_id,u8 * dst_id)4853 int qed_fw_vport(struct qed_hwfn *p_hwfn, u8 src_id, u8 *dst_id)
4854 {
4855 	if (src_id >= RESC_NUM(p_hwfn, QED_VPORT)) {
4856 		u8 min, max;
4857 
4858 		min = (u8)RESC_START(p_hwfn, QED_VPORT);
4859 		max = min + RESC_NUM(p_hwfn, QED_VPORT);
4860 		DP_NOTICE(p_hwfn,
4861 			  "vport id [%d] is not valid, available indices [%d - %d]\n",
4862 			  src_id, min, max);
4863 
4864 		return -EINVAL;
4865 	}
4866 
4867 	*dst_id = RESC_START(p_hwfn, QED_VPORT) + src_id;
4868 
4869 	return 0;
4870 }
4871 
qed_fw_rss_eng(struct qed_hwfn * p_hwfn,u8 src_id,u8 * dst_id)4872 int qed_fw_rss_eng(struct qed_hwfn *p_hwfn, u8 src_id, u8 *dst_id)
4873 {
4874 	if (src_id >= RESC_NUM(p_hwfn, QED_RSS_ENG)) {
4875 		u8 min, max;
4876 
4877 		min = (u8)RESC_START(p_hwfn, QED_RSS_ENG);
4878 		max = min + RESC_NUM(p_hwfn, QED_RSS_ENG);
4879 		DP_NOTICE(p_hwfn,
4880 			  "rss_eng id [%d] is not valid, available indices [%d - %d]\n",
4881 			  src_id, min, max);
4882 
4883 		return -EINVAL;
4884 	}
4885 
4886 	*dst_id = RESC_START(p_hwfn, QED_RSS_ENG) + src_id;
4887 
4888 	return 0;
4889 }
4890 
qed_set_coalesce(struct qed_hwfn * p_hwfn,struct qed_ptt * p_ptt,u32 hw_addr,void * p_eth_qzone,size_t eth_qzone_size,u8 timeset)4891 static int qed_set_coalesce(struct qed_hwfn *p_hwfn, struct qed_ptt *p_ptt,
4892 			    u32 hw_addr, void *p_eth_qzone,
4893 			    size_t eth_qzone_size, u8 timeset)
4894 {
4895 	struct coalescing_timeset *p_coal_timeset;
4896 
4897 	if (p_hwfn->cdev->int_coalescing_mode != QED_COAL_MODE_ENABLE) {
4898 		DP_NOTICE(p_hwfn, "Coalescing configuration not enabled\n");
4899 		return -EINVAL;
4900 	}
4901 
4902 	p_coal_timeset = p_eth_qzone;
4903 	memset(p_eth_qzone, 0, eth_qzone_size);
4904 	SET_FIELD(p_coal_timeset->value, COALESCING_TIMESET_TIMESET, timeset);
4905 	SET_FIELD(p_coal_timeset->value, COALESCING_TIMESET_VALID, 1);
4906 	qed_memcpy_to(p_hwfn, p_ptt, hw_addr, p_eth_qzone, eth_qzone_size);
4907 
4908 	return 0;
4909 }
4910 
qed_set_queue_coalesce(u16 rx_coal,u16 tx_coal,void * p_handle)4911 int qed_set_queue_coalesce(u16 rx_coal, u16 tx_coal, void *p_handle)
4912 {
4913 	struct qed_queue_cid *p_cid = p_handle;
4914 	struct qed_hwfn *p_hwfn;
4915 	struct qed_ptt *p_ptt;
4916 	int rc = 0;
4917 
4918 	p_hwfn = p_cid->p_owner;
4919 
4920 	if (IS_VF(p_hwfn->cdev))
4921 		return qed_vf_pf_set_coalesce(p_hwfn, rx_coal, tx_coal, p_cid);
4922 
4923 	p_ptt = qed_ptt_acquire(p_hwfn);
4924 	if (!p_ptt)
4925 		return -EAGAIN;
4926 
4927 	if (rx_coal) {
4928 		rc = qed_set_rxq_coalesce(p_hwfn, p_ptt, rx_coal, p_cid);
4929 		if (rc)
4930 			goto out;
4931 		p_hwfn->cdev->rx_coalesce_usecs = rx_coal;
4932 	}
4933 
4934 	if (tx_coal) {
4935 		rc = qed_set_txq_coalesce(p_hwfn, p_ptt, tx_coal, p_cid);
4936 		if (rc)
4937 			goto out;
4938 		p_hwfn->cdev->tx_coalesce_usecs = tx_coal;
4939 	}
4940 out:
4941 	qed_ptt_release(p_hwfn, p_ptt);
4942 	return rc;
4943 }
4944 
qed_set_rxq_coalesce(struct qed_hwfn * p_hwfn,struct qed_ptt * p_ptt,u16 coalesce,struct qed_queue_cid * p_cid)4945 int qed_set_rxq_coalesce(struct qed_hwfn *p_hwfn,
4946 			 struct qed_ptt *p_ptt,
4947 			 u16 coalesce, struct qed_queue_cid *p_cid)
4948 {
4949 	struct ustorm_eth_queue_zone eth_qzone;
4950 	u8 timeset, timer_res;
4951 	u32 address;
4952 	int rc;
4953 
4954 	/* Coalesce = (timeset << timer-resolution), timeset is 7bit wide */
4955 	if (coalesce <= 0x7F) {
4956 		timer_res = 0;
4957 	} else if (coalesce <= 0xFF) {
4958 		timer_res = 1;
4959 	} else if (coalesce <= 0x1FF) {
4960 		timer_res = 2;
4961 	} else {
4962 		DP_ERR(p_hwfn, "Invalid coalesce value - %d\n", coalesce);
4963 		return -EINVAL;
4964 	}
4965 	timeset = (u8)(coalesce >> timer_res);
4966 
4967 	rc = qed_int_set_timer_res(p_hwfn, p_ptt, timer_res,
4968 				   p_cid->sb_igu_id, false);
4969 	if (rc)
4970 		goto out;
4971 
4972 	address = BAR0_MAP_REG_USDM_RAM +
4973 		  USTORM_ETH_QUEUE_ZONE_GTT_OFFSET(p_cid->abs.queue_id);
4974 
4975 	rc = qed_set_coalesce(p_hwfn, p_ptt, address, &eth_qzone,
4976 			      sizeof(struct ustorm_eth_queue_zone), timeset);
4977 	if (rc)
4978 		goto out;
4979 
4980 out:
4981 	return rc;
4982 }
4983 
qed_set_txq_coalesce(struct qed_hwfn * p_hwfn,struct qed_ptt * p_ptt,u16 coalesce,struct qed_queue_cid * p_cid)4984 int qed_set_txq_coalesce(struct qed_hwfn *p_hwfn,
4985 			 struct qed_ptt *p_ptt,
4986 			 u16 coalesce, struct qed_queue_cid *p_cid)
4987 {
4988 	struct xstorm_eth_queue_zone eth_qzone;
4989 	u8 timeset, timer_res;
4990 	u32 address;
4991 	int rc;
4992 
4993 	/* Coalesce = (timeset << timer-resolution), timeset is 7bit wide */
4994 	if (coalesce <= 0x7F) {
4995 		timer_res = 0;
4996 	} else if (coalesce <= 0xFF) {
4997 		timer_res = 1;
4998 	} else if (coalesce <= 0x1FF) {
4999 		timer_res = 2;
5000 	} else {
5001 		DP_ERR(p_hwfn, "Invalid coalesce value - %d\n", coalesce);
5002 		return -EINVAL;
5003 	}
5004 	timeset = (u8)(coalesce >> timer_res);
5005 
5006 	rc = qed_int_set_timer_res(p_hwfn, p_ptt, timer_res,
5007 				   p_cid->sb_igu_id, true);
5008 	if (rc)
5009 		goto out;
5010 
5011 	address = BAR0_MAP_REG_XSDM_RAM +
5012 		  XSTORM_ETH_QUEUE_ZONE_GTT_OFFSET(p_cid->abs.queue_id);
5013 
5014 	rc = qed_set_coalesce(p_hwfn, p_ptt, address, &eth_qzone,
5015 			      sizeof(struct xstorm_eth_queue_zone), timeset);
5016 out:
5017 	return rc;
5018 }
5019 
5020 /* Calculate final WFQ values for all vports and configure them.
5021  * After this configuration each vport will have
5022  * approx min rate =  min_pf_rate * (vport_wfq / QED_WFQ_UNIT)
5023  */
qed_configure_wfq_for_all_vports(struct qed_hwfn * p_hwfn,struct qed_ptt * p_ptt,u32 min_pf_rate)5024 static void qed_configure_wfq_for_all_vports(struct qed_hwfn *p_hwfn,
5025 					     struct qed_ptt *p_ptt,
5026 					     u32 min_pf_rate)
5027 {
5028 	struct init_qm_vport_params *vport_params;
5029 	int i;
5030 
5031 	vport_params = p_hwfn->qm_info.qm_vport_params;
5032 
5033 	for (i = 0; i < p_hwfn->qm_info.num_vports; i++) {
5034 		u32 wfq_speed = p_hwfn->qm_info.wfq_data[i].min_speed;
5035 
5036 		vport_params[i].wfq = (wfq_speed * QED_WFQ_UNIT) /
5037 						min_pf_rate;
5038 		qed_init_vport_wfq(p_hwfn, p_ptt,
5039 				   vport_params[i].first_tx_pq_id,
5040 				   vport_params[i].wfq);
5041 	}
5042 }
5043 
qed_init_wfq_default_param(struct qed_hwfn * p_hwfn,u32 min_pf_rate)5044 static void qed_init_wfq_default_param(struct qed_hwfn *p_hwfn,
5045 				       u32 min_pf_rate)
5046 
5047 {
5048 	int i;
5049 
5050 	for (i = 0; i < p_hwfn->qm_info.num_vports; i++)
5051 		p_hwfn->qm_info.qm_vport_params[i].wfq = 1;
5052 }
5053 
qed_disable_wfq_for_all_vports(struct qed_hwfn * p_hwfn,struct qed_ptt * p_ptt,u32 min_pf_rate)5054 static void qed_disable_wfq_for_all_vports(struct qed_hwfn *p_hwfn,
5055 					   struct qed_ptt *p_ptt,
5056 					   u32 min_pf_rate)
5057 {
5058 	struct init_qm_vport_params *vport_params;
5059 	int i;
5060 
5061 	vport_params = p_hwfn->qm_info.qm_vport_params;
5062 
5063 	for (i = 0; i < p_hwfn->qm_info.num_vports; i++) {
5064 		qed_init_wfq_default_param(p_hwfn, min_pf_rate);
5065 		qed_init_vport_wfq(p_hwfn, p_ptt,
5066 				   vport_params[i].first_tx_pq_id,
5067 				   vport_params[i].wfq);
5068 	}
5069 }
5070 
5071 /* This function performs several validations for WFQ
5072  * configuration and required min rate for a given vport
5073  * 1. req_rate must be greater than one percent of min_pf_rate.
5074  * 2. req_rate should not cause other vports [not configured for WFQ explicitly]
5075  *    rates to get less than one percent of min_pf_rate.
5076  * 3. total_req_min_rate [all vports min rate sum] shouldn't exceed min_pf_rate.
5077  */
qed_init_wfq_param(struct qed_hwfn * p_hwfn,u16 vport_id,u32 req_rate,u32 min_pf_rate)5078 static int qed_init_wfq_param(struct qed_hwfn *p_hwfn,
5079 			      u16 vport_id, u32 req_rate, u32 min_pf_rate)
5080 {
5081 	u32 total_req_min_rate = 0, total_left_rate = 0, left_rate_per_vp = 0;
5082 	int non_requested_count = 0, req_count = 0, i, num_vports;
5083 
5084 	num_vports = p_hwfn->qm_info.num_vports;
5085 
5086 	if (num_vports < 2) {
5087 		DP_NOTICE(p_hwfn, "Unexpected num_vports: %d\n", num_vports);
5088 		return -EINVAL;
5089 	}
5090 
5091 	/* Accounting for the vports which are configured for WFQ explicitly */
5092 	for (i = 0; i < num_vports; i++) {
5093 		u32 tmp_speed;
5094 
5095 		if ((i != vport_id) &&
5096 		    p_hwfn->qm_info.wfq_data[i].configured) {
5097 			req_count++;
5098 			tmp_speed = p_hwfn->qm_info.wfq_data[i].min_speed;
5099 			total_req_min_rate += tmp_speed;
5100 		}
5101 	}
5102 
5103 	/* Include current vport data as well */
5104 	req_count++;
5105 	total_req_min_rate += req_rate;
5106 	non_requested_count = num_vports - req_count;
5107 
5108 	if (req_rate < min_pf_rate / QED_WFQ_UNIT) {
5109 		DP_VERBOSE(p_hwfn, NETIF_MSG_LINK,
5110 			   "Vport [%d] - Requested rate[%d Mbps] is less than one percent of configured PF min rate[%d Mbps]\n",
5111 			   vport_id, req_rate, min_pf_rate);
5112 		return -EINVAL;
5113 	}
5114 
5115 	if (num_vports > QED_WFQ_UNIT) {
5116 		DP_VERBOSE(p_hwfn, NETIF_MSG_LINK,
5117 			   "Number of vports is greater than %d\n",
5118 			   QED_WFQ_UNIT);
5119 		return -EINVAL;
5120 	}
5121 
5122 	if (total_req_min_rate > min_pf_rate) {
5123 		DP_VERBOSE(p_hwfn, NETIF_MSG_LINK,
5124 			   "Total requested min rate for all vports[%d Mbps] is greater than configured PF min rate[%d Mbps]\n",
5125 			   total_req_min_rate, min_pf_rate);
5126 		return -EINVAL;
5127 	}
5128 
5129 	total_left_rate	= min_pf_rate - total_req_min_rate;
5130 
5131 	left_rate_per_vp = total_left_rate / non_requested_count;
5132 	if (left_rate_per_vp <  min_pf_rate / QED_WFQ_UNIT) {
5133 		DP_VERBOSE(p_hwfn, NETIF_MSG_LINK,
5134 			   "Non WFQ configured vports rate [%d Mbps] is less than one percent of configured PF min rate[%d Mbps]\n",
5135 			   left_rate_per_vp, min_pf_rate);
5136 		return -EINVAL;
5137 	}
5138 
5139 	p_hwfn->qm_info.wfq_data[vport_id].min_speed = req_rate;
5140 	p_hwfn->qm_info.wfq_data[vport_id].configured = true;
5141 
5142 	for (i = 0; i < num_vports; i++) {
5143 		if (p_hwfn->qm_info.wfq_data[i].configured)
5144 			continue;
5145 
5146 		p_hwfn->qm_info.wfq_data[i].min_speed = left_rate_per_vp;
5147 	}
5148 
5149 	return 0;
5150 }
5151 
__qed_configure_vport_wfq(struct qed_hwfn * p_hwfn,struct qed_ptt * p_ptt,u16 vp_id,u32 rate)5152 static int __qed_configure_vport_wfq(struct qed_hwfn *p_hwfn,
5153 				     struct qed_ptt *p_ptt, u16 vp_id, u32 rate)
5154 {
5155 	struct qed_mcp_link_state *p_link;
5156 	int rc = 0;
5157 
5158 	p_link = &p_hwfn->cdev->hwfns[0].mcp_info->link_output;
5159 
5160 	if (!p_link->min_pf_rate) {
5161 		p_hwfn->qm_info.wfq_data[vp_id].min_speed = rate;
5162 		p_hwfn->qm_info.wfq_data[vp_id].configured = true;
5163 		return rc;
5164 	}
5165 
5166 	rc = qed_init_wfq_param(p_hwfn, vp_id, rate, p_link->min_pf_rate);
5167 
5168 	if (!rc)
5169 		qed_configure_wfq_for_all_vports(p_hwfn, p_ptt,
5170 						 p_link->min_pf_rate);
5171 	else
5172 		DP_NOTICE(p_hwfn,
5173 			  "Validation failed while configuring min rate\n");
5174 
5175 	return rc;
5176 }
5177 
__qed_configure_vp_wfq_on_link_change(struct qed_hwfn * p_hwfn,struct qed_ptt * p_ptt,u32 min_pf_rate)5178 static int __qed_configure_vp_wfq_on_link_change(struct qed_hwfn *p_hwfn,
5179 						 struct qed_ptt *p_ptt,
5180 						 u32 min_pf_rate)
5181 {
5182 	bool use_wfq = false;
5183 	int rc = 0;
5184 	u16 i;
5185 
5186 	/* Validate all pre configured vports for wfq */
5187 	for (i = 0; i < p_hwfn->qm_info.num_vports; i++) {
5188 		u32 rate;
5189 
5190 		if (!p_hwfn->qm_info.wfq_data[i].configured)
5191 			continue;
5192 
5193 		rate = p_hwfn->qm_info.wfq_data[i].min_speed;
5194 		use_wfq = true;
5195 
5196 		rc = qed_init_wfq_param(p_hwfn, i, rate, min_pf_rate);
5197 		if (rc) {
5198 			DP_NOTICE(p_hwfn,
5199 				  "WFQ validation failed while configuring min rate\n");
5200 			break;
5201 		}
5202 	}
5203 
5204 	if (!rc && use_wfq)
5205 		qed_configure_wfq_for_all_vports(p_hwfn, p_ptt, min_pf_rate);
5206 	else
5207 		qed_disable_wfq_for_all_vports(p_hwfn, p_ptt, min_pf_rate);
5208 
5209 	return rc;
5210 }
5211 
5212 /* Main API for qed clients to configure vport min rate.
5213  * vp_id - vport id in PF Range[0 - (total_num_vports_per_pf - 1)]
5214  * rate - Speed in Mbps needs to be assigned to a given vport.
5215  */
qed_configure_vport_wfq(struct qed_dev * cdev,u16 vp_id,u32 rate)5216 int qed_configure_vport_wfq(struct qed_dev *cdev, u16 vp_id, u32 rate)
5217 {
5218 	int i, rc = -EINVAL;
5219 
5220 	/* Currently not supported; Might change in future */
5221 	if (cdev->num_hwfns > 1) {
5222 		DP_NOTICE(cdev,
5223 			  "WFQ configuration is not supported for this device\n");
5224 		return rc;
5225 	}
5226 
5227 	for_each_hwfn(cdev, i) {
5228 		struct qed_hwfn *p_hwfn = &cdev->hwfns[i];
5229 		struct qed_ptt *p_ptt;
5230 
5231 		p_ptt = qed_ptt_acquire(p_hwfn);
5232 		if (!p_ptt)
5233 			return -EBUSY;
5234 
5235 		rc = __qed_configure_vport_wfq(p_hwfn, p_ptt, vp_id, rate);
5236 
5237 		if (rc) {
5238 			qed_ptt_release(p_hwfn, p_ptt);
5239 			return rc;
5240 		}
5241 
5242 		qed_ptt_release(p_hwfn, p_ptt);
5243 	}
5244 
5245 	return rc;
5246 }
5247 
5248 /* API to configure WFQ from mcp link change */
qed_configure_vp_wfq_on_link_change(struct qed_dev * cdev,struct qed_ptt * p_ptt,u32 min_pf_rate)5249 void qed_configure_vp_wfq_on_link_change(struct qed_dev *cdev,
5250 					 struct qed_ptt *p_ptt, u32 min_pf_rate)
5251 {
5252 	int i;
5253 
5254 	if (cdev->num_hwfns > 1) {
5255 		DP_VERBOSE(cdev,
5256 			   NETIF_MSG_LINK,
5257 			   "WFQ configuration is not supported for this device\n");
5258 		return;
5259 	}
5260 
5261 	for_each_hwfn(cdev, i) {
5262 		struct qed_hwfn *p_hwfn = &cdev->hwfns[i];
5263 
5264 		__qed_configure_vp_wfq_on_link_change(p_hwfn, p_ptt,
5265 						      min_pf_rate);
5266 	}
5267 }
5268 
__qed_configure_pf_max_bandwidth(struct qed_hwfn * p_hwfn,struct qed_ptt * p_ptt,struct qed_mcp_link_state * p_link,u8 max_bw)5269 int __qed_configure_pf_max_bandwidth(struct qed_hwfn *p_hwfn,
5270 				     struct qed_ptt *p_ptt,
5271 				     struct qed_mcp_link_state *p_link,
5272 				     u8 max_bw)
5273 {
5274 	int rc = 0;
5275 
5276 	p_hwfn->mcp_info->func_info.bandwidth_max = max_bw;
5277 
5278 	if (!p_link->line_speed && (max_bw != 100))
5279 		return rc;
5280 
5281 	p_link->speed = (p_link->line_speed * max_bw) / 100;
5282 	p_hwfn->qm_info.pf_rl = p_link->speed;
5283 
5284 	/* Since the limiter also affects Tx-switched traffic, we don't want it
5285 	 * to limit such traffic in case there's no actual limit.
5286 	 * In that case, set limit to imaginary high boundary.
5287 	 */
5288 	if (max_bw == 100)
5289 		p_hwfn->qm_info.pf_rl = 100000;
5290 
5291 	rc = qed_init_pf_rl(p_hwfn, p_ptt, p_hwfn->rel_pf_id,
5292 			    p_hwfn->qm_info.pf_rl);
5293 
5294 	DP_VERBOSE(p_hwfn, NETIF_MSG_LINK,
5295 		   "Configured MAX bandwidth to be %08x Mb/sec\n",
5296 		   p_link->speed);
5297 
5298 	return rc;
5299 }
5300 
5301 /* Main API to configure PF max bandwidth where bw range is [1 - 100] */
qed_configure_pf_max_bandwidth(struct qed_dev * cdev,u8 max_bw)5302 int qed_configure_pf_max_bandwidth(struct qed_dev *cdev, u8 max_bw)
5303 {
5304 	int i, rc = -EINVAL;
5305 
5306 	if (max_bw < 1 || max_bw > 100) {
5307 		DP_NOTICE(cdev, "PF max bw valid range is [1-100]\n");
5308 		return rc;
5309 	}
5310 
5311 	for_each_hwfn(cdev, i) {
5312 		struct qed_hwfn	*p_hwfn = &cdev->hwfns[i];
5313 		struct qed_hwfn *p_lead = QED_LEADING_HWFN(cdev);
5314 		struct qed_mcp_link_state *p_link;
5315 		struct qed_ptt *p_ptt;
5316 
5317 		p_link = &p_lead->mcp_info->link_output;
5318 
5319 		p_ptt = qed_ptt_acquire(p_hwfn);
5320 		if (!p_ptt)
5321 			return -EBUSY;
5322 
5323 		rc = __qed_configure_pf_max_bandwidth(p_hwfn, p_ptt,
5324 						      p_link, max_bw);
5325 
5326 		qed_ptt_release(p_hwfn, p_ptt);
5327 
5328 		if (rc)
5329 			break;
5330 	}
5331 
5332 	return rc;
5333 }
5334 
__qed_configure_pf_min_bandwidth(struct qed_hwfn * p_hwfn,struct qed_ptt * p_ptt,struct qed_mcp_link_state * p_link,u8 min_bw)5335 int __qed_configure_pf_min_bandwidth(struct qed_hwfn *p_hwfn,
5336 				     struct qed_ptt *p_ptt,
5337 				     struct qed_mcp_link_state *p_link,
5338 				     u8 min_bw)
5339 {
5340 	int rc = 0;
5341 
5342 	p_hwfn->mcp_info->func_info.bandwidth_min = min_bw;
5343 	p_hwfn->qm_info.pf_wfq = min_bw;
5344 
5345 	if (!p_link->line_speed)
5346 		return rc;
5347 
5348 	p_link->min_pf_rate = (p_link->line_speed * min_bw) / 100;
5349 
5350 	rc = qed_init_pf_wfq(p_hwfn, p_ptt, p_hwfn->rel_pf_id, min_bw);
5351 
5352 	DP_VERBOSE(p_hwfn, NETIF_MSG_LINK,
5353 		   "Configured MIN bandwidth to be %d Mb/sec\n",
5354 		   p_link->min_pf_rate);
5355 
5356 	return rc;
5357 }
5358 
5359 /* Main API to configure PF min bandwidth where bw range is [1-100] */
qed_configure_pf_min_bandwidth(struct qed_dev * cdev,u8 min_bw)5360 int qed_configure_pf_min_bandwidth(struct qed_dev *cdev, u8 min_bw)
5361 {
5362 	int i, rc = -EINVAL;
5363 
5364 	if (min_bw < 1 || min_bw > 100) {
5365 		DP_NOTICE(cdev, "PF min bw valid range is [1-100]\n");
5366 		return rc;
5367 	}
5368 
5369 	for_each_hwfn(cdev, i) {
5370 		struct qed_hwfn *p_hwfn = &cdev->hwfns[i];
5371 		struct qed_hwfn *p_lead = QED_LEADING_HWFN(cdev);
5372 		struct qed_mcp_link_state *p_link;
5373 		struct qed_ptt *p_ptt;
5374 
5375 		p_link = &p_lead->mcp_info->link_output;
5376 
5377 		p_ptt = qed_ptt_acquire(p_hwfn);
5378 		if (!p_ptt)
5379 			return -EBUSY;
5380 
5381 		rc = __qed_configure_pf_min_bandwidth(p_hwfn, p_ptt,
5382 						      p_link, min_bw);
5383 		if (rc) {
5384 			qed_ptt_release(p_hwfn, p_ptt);
5385 			return rc;
5386 		}
5387 
5388 		if (p_link->min_pf_rate) {
5389 			u32 min_rate = p_link->min_pf_rate;
5390 
5391 			rc = __qed_configure_vp_wfq_on_link_change(p_hwfn,
5392 								   p_ptt,
5393 								   min_rate);
5394 		}
5395 
5396 		qed_ptt_release(p_hwfn, p_ptt);
5397 	}
5398 
5399 	return rc;
5400 }
5401 
qed_clean_wfq_db(struct qed_hwfn * p_hwfn,struct qed_ptt * p_ptt)5402 void qed_clean_wfq_db(struct qed_hwfn *p_hwfn, struct qed_ptt *p_ptt)
5403 {
5404 	struct qed_mcp_link_state *p_link;
5405 
5406 	p_link = &p_hwfn->mcp_info->link_output;
5407 
5408 	if (p_link->min_pf_rate)
5409 		qed_disable_wfq_for_all_vports(p_hwfn, p_ptt,
5410 					       p_link->min_pf_rate);
5411 
5412 	memset(p_hwfn->qm_info.wfq_data, 0,
5413 	       sizeof(*p_hwfn->qm_info.wfq_data) * p_hwfn->qm_info.num_vports);
5414 }
5415 
qed_device_num_ports(struct qed_dev * cdev)5416 int qed_device_num_ports(struct qed_dev *cdev)
5417 {
5418 	return cdev->num_ports;
5419 }
5420 
qed_set_fw_mac_addr(__le16 * fw_msb,__le16 * fw_mid,__le16 * fw_lsb,u8 * mac)5421 void qed_set_fw_mac_addr(__le16 *fw_msb,
5422 			 __le16 *fw_mid, __le16 *fw_lsb, u8 *mac)
5423 {
5424 	((u8 *)fw_msb)[0] = mac[1];
5425 	((u8 *)fw_msb)[1] = mac[0];
5426 	((u8 *)fw_mid)[0] = mac[3];
5427 	((u8 *)fw_mid)[1] = mac[2];
5428 	((u8 *)fw_lsb)[0] = mac[5];
5429 	((u8 *)fw_lsb)[1] = mac[4];
5430 }
5431 
qed_llh_shadow_remove_all_filters(struct qed_dev * cdev,u8 ppfid)5432 static int qed_llh_shadow_remove_all_filters(struct qed_dev *cdev, u8 ppfid)
5433 {
5434 	struct qed_llh_info *p_llh_info = cdev->p_llh_info;
5435 	struct qed_llh_filter_info *p_filters;
5436 	int rc;
5437 
5438 	rc = qed_llh_shadow_sanity(cdev, ppfid, 0, "remove_all");
5439 	if (rc)
5440 		return rc;
5441 
5442 	p_filters = p_llh_info->pp_filters[ppfid];
5443 	memset(p_filters, 0, NIG_REG_LLH_FUNC_FILTER_EN_SIZE *
5444 	       sizeof(*p_filters));
5445 
5446 	return 0;
5447 }
5448 
qed_llh_clear_ppfid_filters(struct qed_dev * cdev,u8 ppfid)5449 static void qed_llh_clear_ppfid_filters(struct qed_dev *cdev, u8 ppfid)
5450 {
5451 	struct qed_hwfn *p_hwfn = QED_LEADING_HWFN(cdev);
5452 	struct qed_ptt *p_ptt = qed_ptt_acquire(p_hwfn);
5453 	u8 filter_idx, abs_ppfid;
5454 	int rc = 0;
5455 
5456 	if (!p_ptt)
5457 		return;
5458 
5459 	if (!test_bit(QED_MF_LLH_PROTO_CLSS, &cdev->mf_bits) &&
5460 	    !test_bit(QED_MF_LLH_MAC_CLSS, &cdev->mf_bits))
5461 		goto out;
5462 
5463 	rc = qed_llh_abs_ppfid(cdev, ppfid, &abs_ppfid);
5464 	if (rc)
5465 		goto out;
5466 
5467 	rc = qed_llh_shadow_remove_all_filters(cdev, ppfid);
5468 	if (rc)
5469 		goto out;
5470 
5471 	for (filter_idx = 0; filter_idx < NIG_REG_LLH_FUNC_FILTER_EN_SIZE;
5472 	     filter_idx++) {
5473 		rc = qed_llh_remove_filter(p_hwfn, p_ptt,
5474 					   abs_ppfid, filter_idx);
5475 		if (rc)
5476 			goto out;
5477 	}
5478 out:
5479 	qed_ptt_release(p_hwfn, p_ptt);
5480 }
5481 
qed_llh_add_src_tcp_port_filter(struct qed_dev * cdev,u16 src_port)5482 int qed_llh_add_src_tcp_port_filter(struct qed_dev *cdev, u16 src_port)
5483 {
5484 	return qed_llh_add_protocol_filter(cdev, 0,
5485 					   QED_LLH_FILTER_TCP_SRC_PORT,
5486 					   src_port, QED_LLH_DONT_CARE);
5487 }
5488 
qed_llh_remove_src_tcp_port_filter(struct qed_dev * cdev,u16 src_port)5489 void qed_llh_remove_src_tcp_port_filter(struct qed_dev *cdev, u16 src_port)
5490 {
5491 	qed_llh_remove_protocol_filter(cdev, 0,
5492 				       QED_LLH_FILTER_TCP_SRC_PORT,
5493 				       src_port, QED_LLH_DONT_CARE);
5494 }
5495 
qed_llh_add_dst_tcp_port_filter(struct qed_dev * cdev,u16 dest_port)5496 int qed_llh_add_dst_tcp_port_filter(struct qed_dev *cdev, u16 dest_port)
5497 {
5498 	return qed_llh_add_protocol_filter(cdev, 0,
5499 					   QED_LLH_FILTER_TCP_DEST_PORT,
5500 					   QED_LLH_DONT_CARE, dest_port);
5501 }
5502 
qed_llh_remove_dst_tcp_port_filter(struct qed_dev * cdev,u16 dest_port)5503 void qed_llh_remove_dst_tcp_port_filter(struct qed_dev *cdev, u16 dest_port)
5504 {
5505 	qed_llh_remove_protocol_filter(cdev, 0,
5506 				       QED_LLH_FILTER_TCP_DEST_PORT,
5507 				       QED_LLH_DONT_CARE, dest_port);
5508 }
5509 
qed_llh_clear_all_filters(struct qed_dev * cdev)5510 void qed_llh_clear_all_filters(struct qed_dev *cdev)
5511 {
5512 	u8 ppfid;
5513 
5514 	if (!test_bit(QED_MF_LLH_PROTO_CLSS, &cdev->mf_bits) &&
5515 	    !test_bit(QED_MF_LLH_MAC_CLSS, &cdev->mf_bits))
5516 		return;
5517 
5518 	for (ppfid = 0; ppfid < cdev->p_llh_info->num_ppfid; ppfid++)
5519 		qed_llh_clear_ppfid_filters(cdev, ppfid);
5520 }
5521