1 // SPDX-License-Identifier: GPL-2.0-only
2 /*
3  * Copyright (C) 2005 - 2016 Broadcom
4  * All rights reserved.
5  *
6  * Contact Information:
7  * linux-drivers@emulex.com
8  *
9  * Emulex
10  * 3333 Susan Street
11  * Costa Mesa, CA 92626
12  */
13 
14 #include <linux/module.h>
15 #include "be.h"
16 #include "be_cmds.h"
17 
18 const char * const be_misconfig_evt_port_state[] = {
19 	"Physical Link is functional",
20 	"Optics faulted/incorrectly installed/not installed - Reseat optics. If issue not resolved, replace.",
21 	"Optics of two types installed – Remove one optic or install matching pair of optics.",
22 	"Incompatible optics – Replace with compatible optics for card to function.",
23 	"Unqualified optics – Replace with Avago optics for Warranty and Technical Support.",
24 	"Uncertified optics – Replace with Avago-certified optics to enable link operation."
25 };
26 
27 static char *be_port_misconfig_evt_severity[] = {
28 	"KERN_WARN",
29 	"KERN_INFO",
30 	"KERN_ERR",
31 	"KERN_WARN"
32 };
33 
34 static char *phy_state_oper_desc[] = {
35 	"Link is non-operational",
36 	"Link is operational",
37 	""
38 };
39 
40 static struct be_cmd_priv_map cmd_priv_map[] = {
41 	{
42 		OPCODE_ETH_ACPI_WOL_MAGIC_CONFIG,
43 		CMD_SUBSYSTEM_ETH,
44 		BE_PRIV_LNKMGMT | BE_PRIV_VHADM |
45 		BE_PRIV_DEVCFG | BE_PRIV_DEVSEC
46 	},
47 	{
48 		OPCODE_COMMON_GET_FLOW_CONTROL,
49 		CMD_SUBSYSTEM_COMMON,
50 		BE_PRIV_LNKQUERY | BE_PRIV_VHADM |
51 		BE_PRIV_DEVCFG | BE_PRIV_DEVSEC
52 	},
53 	{
54 		OPCODE_COMMON_SET_FLOW_CONTROL,
55 		CMD_SUBSYSTEM_COMMON,
56 		BE_PRIV_LNKMGMT | BE_PRIV_VHADM |
57 		BE_PRIV_DEVCFG | BE_PRIV_DEVSEC
58 	},
59 	{
60 		OPCODE_ETH_GET_PPORT_STATS,
61 		CMD_SUBSYSTEM_ETH,
62 		BE_PRIV_LNKMGMT | BE_PRIV_VHADM |
63 		BE_PRIV_DEVCFG | BE_PRIV_DEVSEC
64 	},
65 	{
66 		OPCODE_COMMON_GET_PHY_DETAILS,
67 		CMD_SUBSYSTEM_COMMON,
68 		BE_PRIV_LNKMGMT | BE_PRIV_VHADM |
69 		BE_PRIV_DEVCFG | BE_PRIV_DEVSEC
70 	},
71 	{
72 		OPCODE_LOWLEVEL_HOST_DDR_DMA,
73 		CMD_SUBSYSTEM_LOWLEVEL,
74 		BE_PRIV_DEVCFG | BE_PRIV_DEVSEC
75 	},
76 	{
77 		OPCODE_LOWLEVEL_LOOPBACK_TEST,
78 		CMD_SUBSYSTEM_LOWLEVEL,
79 		BE_PRIV_DEVCFG | BE_PRIV_DEVSEC
80 	},
81 	{
82 		OPCODE_LOWLEVEL_SET_LOOPBACK_MODE,
83 		CMD_SUBSYSTEM_LOWLEVEL,
84 		BE_PRIV_DEVCFG | BE_PRIV_DEVSEC
85 	},
86 	{
87 		OPCODE_COMMON_SET_HSW_CONFIG,
88 		CMD_SUBSYSTEM_COMMON,
89 		BE_PRIV_DEVCFG | BE_PRIV_VHADM |
90 		BE_PRIV_DEVSEC
91 	},
92 	{
93 		OPCODE_COMMON_GET_EXT_FAT_CAPABILITIES,
94 		CMD_SUBSYSTEM_COMMON,
95 		BE_PRIV_DEVCFG
96 	}
97 };
98 
be_cmd_allowed(struct be_adapter * adapter,u8 opcode,u8 subsystem)99 static bool be_cmd_allowed(struct be_adapter *adapter, u8 opcode, u8 subsystem)
100 {
101 	int i;
102 	int num_entries = ARRAY_SIZE(cmd_priv_map);
103 	u32 cmd_privileges = adapter->cmd_privileges;
104 
105 	for (i = 0; i < num_entries; i++)
106 		if (opcode == cmd_priv_map[i].opcode &&
107 		    subsystem == cmd_priv_map[i].subsystem)
108 			if (!(cmd_privileges & cmd_priv_map[i].priv_mask))
109 				return false;
110 
111 	return true;
112 }
113 
embedded_payload(struct be_mcc_wrb * wrb)114 static inline void *embedded_payload(struct be_mcc_wrb *wrb)
115 {
116 	return wrb->payload.embedded_payload;
117 }
118 
be_mcc_notify(struct be_adapter * adapter)119 static int be_mcc_notify(struct be_adapter *adapter)
120 {
121 	struct be_queue_info *mccq = &adapter->mcc_obj.q;
122 	u32 val = 0;
123 
124 	if (be_check_error(adapter, BE_ERROR_ANY))
125 		return -EIO;
126 
127 	val |= mccq->id & DB_MCCQ_RING_ID_MASK;
128 	val |= 1 << DB_MCCQ_NUM_POSTED_SHIFT;
129 
130 	wmb();
131 	iowrite32(val, adapter->db + DB_MCCQ_OFFSET);
132 
133 	return 0;
134 }
135 
136 /* To check if valid bit is set, check the entire word as we don't know
137  * the endianness of the data (old entry is host endian while a new entry is
138  * little endian)
139  */
be_mcc_compl_is_new(struct be_mcc_compl * compl)140 static inline bool be_mcc_compl_is_new(struct be_mcc_compl *compl)
141 {
142 	u32 flags;
143 
144 	if (compl->flags != 0) {
145 		flags = le32_to_cpu(compl->flags);
146 		if (flags & CQE_FLAGS_VALID_MASK) {
147 			compl->flags = flags;
148 			return true;
149 		}
150 	}
151 	return false;
152 }
153 
154 /* Need to reset the entire word that houses the valid bit */
be_mcc_compl_use(struct be_mcc_compl * compl)155 static inline void be_mcc_compl_use(struct be_mcc_compl *compl)
156 {
157 	compl->flags = 0;
158 }
159 
be_decode_resp_hdr(u32 tag0,u32 tag1)160 static struct be_cmd_resp_hdr *be_decode_resp_hdr(u32 tag0, u32 tag1)
161 {
162 	unsigned long addr;
163 
164 	addr = tag1;
165 	addr = ((addr << 16) << 16) | tag0;
166 	return (void *)addr;
167 }
168 
be_skip_err_log(u8 opcode,u16 base_status,u16 addl_status)169 static bool be_skip_err_log(u8 opcode, u16 base_status, u16 addl_status)
170 {
171 	if (base_status == MCC_STATUS_NOT_SUPPORTED ||
172 	    base_status == MCC_STATUS_ILLEGAL_REQUEST ||
173 	    addl_status == MCC_ADDL_STATUS_TOO_MANY_INTERFACES ||
174 	    addl_status == MCC_ADDL_STATUS_INSUFFICIENT_VLANS ||
175 	    (opcode == OPCODE_COMMON_WRITE_FLASHROM &&
176 	    (base_status == MCC_STATUS_ILLEGAL_FIELD ||
177 	     addl_status == MCC_ADDL_STATUS_FLASH_IMAGE_CRC_MISMATCH)))
178 		return true;
179 	else
180 		return false;
181 }
182 
183 /* Place holder for all the async MCC cmds wherein the caller is not in a busy
184  * loop (has not issued be_mcc_notify_wait())
185  */
be_async_cmd_process(struct be_adapter * adapter,struct be_mcc_compl * compl,struct be_cmd_resp_hdr * resp_hdr)186 static void be_async_cmd_process(struct be_adapter *adapter,
187 				 struct be_mcc_compl *compl,
188 				 struct be_cmd_resp_hdr *resp_hdr)
189 {
190 	enum mcc_base_status base_status = base_status(compl->status);
191 	u8 opcode = 0, subsystem = 0;
192 
193 	if (resp_hdr) {
194 		opcode = resp_hdr->opcode;
195 		subsystem = resp_hdr->subsystem;
196 	}
197 
198 	if (opcode == OPCODE_LOWLEVEL_LOOPBACK_TEST &&
199 	    subsystem == CMD_SUBSYSTEM_LOWLEVEL) {
200 		complete(&adapter->et_cmd_compl);
201 		return;
202 	}
203 
204 	if (opcode == OPCODE_LOWLEVEL_SET_LOOPBACK_MODE &&
205 	    subsystem == CMD_SUBSYSTEM_LOWLEVEL) {
206 		complete(&adapter->et_cmd_compl);
207 		return;
208 	}
209 
210 	if ((opcode == OPCODE_COMMON_WRITE_FLASHROM ||
211 	     opcode == OPCODE_COMMON_WRITE_OBJECT) &&
212 	    subsystem == CMD_SUBSYSTEM_COMMON) {
213 		adapter->flash_status = compl->status;
214 		complete(&adapter->et_cmd_compl);
215 		return;
216 	}
217 
218 	if ((opcode == OPCODE_ETH_GET_STATISTICS ||
219 	     opcode == OPCODE_ETH_GET_PPORT_STATS) &&
220 	    subsystem == CMD_SUBSYSTEM_ETH &&
221 	    base_status == MCC_STATUS_SUCCESS) {
222 		be_parse_stats(adapter);
223 		adapter->stats_cmd_sent = false;
224 		return;
225 	}
226 
227 	if (opcode == OPCODE_COMMON_GET_CNTL_ADDITIONAL_ATTRIBUTES &&
228 	    subsystem == CMD_SUBSYSTEM_COMMON) {
229 		if (base_status == MCC_STATUS_SUCCESS) {
230 			struct be_cmd_resp_get_cntl_addnl_attribs *resp =
231 							(void *)resp_hdr;
232 			adapter->hwmon_info.be_on_die_temp =
233 						resp->on_die_temperature;
234 		} else {
235 			adapter->be_get_temp_freq = 0;
236 			adapter->hwmon_info.be_on_die_temp =
237 						BE_INVALID_DIE_TEMP;
238 		}
239 		return;
240 	}
241 }
242 
be_mcc_compl_process(struct be_adapter * adapter,struct be_mcc_compl * compl)243 static int be_mcc_compl_process(struct be_adapter *adapter,
244 				struct be_mcc_compl *compl)
245 {
246 	enum mcc_base_status base_status;
247 	enum mcc_addl_status addl_status;
248 	struct be_cmd_resp_hdr *resp_hdr;
249 	u8 opcode = 0, subsystem = 0;
250 
251 	/* Just swap the status to host endian; mcc tag is opaquely copied
252 	 * from mcc_wrb
253 	 */
254 	be_dws_le_to_cpu(compl, 4);
255 
256 	base_status = base_status(compl->status);
257 	addl_status = addl_status(compl->status);
258 
259 	resp_hdr = be_decode_resp_hdr(compl->tag0, compl->tag1);
260 	if (resp_hdr) {
261 		opcode = resp_hdr->opcode;
262 		subsystem = resp_hdr->subsystem;
263 	}
264 
265 	be_async_cmd_process(adapter, compl, resp_hdr);
266 
267 	if (base_status != MCC_STATUS_SUCCESS &&
268 	    !be_skip_err_log(opcode, base_status, addl_status)) {
269 		if (base_status == MCC_STATUS_UNAUTHORIZED_REQUEST ||
270 		    addl_status == MCC_ADDL_STATUS_INSUFFICIENT_PRIVILEGES) {
271 			dev_warn(&adapter->pdev->dev,
272 				 "VF is not privileged to issue opcode %d-%d\n",
273 				 opcode, subsystem);
274 		} else {
275 			dev_err(&adapter->pdev->dev,
276 				"opcode %d-%d failed:status %d-%d\n",
277 				opcode, subsystem, base_status, addl_status);
278 		}
279 	}
280 	return compl->status;
281 }
282 
283 /* Link state evt is a string of bytes; no need for endian swapping */
be_async_link_state_process(struct be_adapter * adapter,struct be_mcc_compl * compl)284 static void be_async_link_state_process(struct be_adapter *adapter,
285 					struct be_mcc_compl *compl)
286 {
287 	struct be_async_event_link_state *evt =
288 			(struct be_async_event_link_state *)compl;
289 
290 	/* When link status changes, link speed must be re-queried from FW */
291 	adapter->phy.link_speed = -1;
292 
293 	/* On BEx the FW does not send a separate link status
294 	 * notification for physical and logical link.
295 	 * On other chips just process the logical link
296 	 * status notification
297 	 */
298 	if (!BEx_chip(adapter) &&
299 	    !(evt->port_link_status & LOGICAL_LINK_STATUS_MASK))
300 		return;
301 
302 	/* For the initial link status do not rely on the ASYNC event as
303 	 * it may not be received in some cases.
304 	 */
305 	if (adapter->flags & BE_FLAGS_LINK_STATUS_INIT)
306 		be_link_status_update(adapter,
307 				      evt->port_link_status & LINK_STATUS_MASK);
308 }
309 
be_async_port_misconfig_event_process(struct be_adapter * adapter,struct be_mcc_compl * compl)310 static void be_async_port_misconfig_event_process(struct be_adapter *adapter,
311 						  struct be_mcc_compl *compl)
312 {
313 	struct be_async_event_misconfig_port *evt =
314 			(struct be_async_event_misconfig_port *)compl;
315 	u32 sfp_misconfig_evt_word1 = le32_to_cpu(evt->event_data_word1);
316 	u32 sfp_misconfig_evt_word2 = le32_to_cpu(evt->event_data_word2);
317 	u8 phy_oper_state = PHY_STATE_OPER_MSG_NONE;
318 	struct device *dev = &adapter->pdev->dev;
319 	u8 msg_severity = DEFAULT_MSG_SEVERITY;
320 	u8 phy_state_info;
321 	u8 new_phy_state;
322 
323 	new_phy_state =
324 		(sfp_misconfig_evt_word1 >> (adapter->hba_port_num * 8)) & 0xff;
325 
326 	if (new_phy_state == adapter->phy_state)
327 		return;
328 
329 	adapter->phy_state = new_phy_state;
330 
331 	/* for older fw that doesn't populate link effect data */
332 	if (!sfp_misconfig_evt_word2)
333 		goto log_message;
334 
335 	phy_state_info =
336 		(sfp_misconfig_evt_word2 >> (adapter->hba_port_num * 8)) & 0xff;
337 
338 	if (phy_state_info & PHY_STATE_INFO_VALID) {
339 		msg_severity = (phy_state_info & PHY_STATE_MSG_SEVERITY) >> 1;
340 
341 		if (be_phy_unqualified(new_phy_state))
342 			phy_oper_state = (phy_state_info & PHY_STATE_OPER);
343 	}
344 
345 log_message:
346 	/* Log an error message that would allow a user to determine
347 	 * whether the SFPs have an issue
348 	 */
349 	if (be_phy_state_unknown(new_phy_state))
350 		dev_printk(be_port_misconfig_evt_severity[msg_severity], dev,
351 			   "Port %c: Unrecognized Optics state: 0x%x. %s",
352 			   adapter->port_name,
353 			   new_phy_state,
354 			   phy_state_oper_desc[phy_oper_state]);
355 	else
356 		dev_printk(be_port_misconfig_evt_severity[msg_severity], dev,
357 			   "Port %c: %s %s",
358 			   adapter->port_name,
359 			   be_misconfig_evt_port_state[new_phy_state],
360 			   phy_state_oper_desc[phy_oper_state]);
361 
362 	/* Log Vendor name and part no. if a misconfigured SFP is detected */
363 	if (be_phy_misconfigured(new_phy_state))
364 		adapter->flags |= BE_FLAGS_PHY_MISCONFIGURED;
365 }
366 
367 /* Grp5 CoS Priority evt */
be_async_grp5_cos_priority_process(struct be_adapter * adapter,struct be_mcc_compl * compl)368 static void be_async_grp5_cos_priority_process(struct be_adapter *adapter,
369 					       struct be_mcc_compl *compl)
370 {
371 	struct be_async_event_grp5_cos_priority *evt =
372 			(struct be_async_event_grp5_cos_priority *)compl;
373 
374 	if (evt->valid) {
375 		adapter->vlan_prio_bmap = evt->available_priority_bmap;
376 		adapter->recommended_prio_bits =
377 			evt->reco_default_priority << VLAN_PRIO_SHIFT;
378 	}
379 }
380 
381 /* Grp5 QOS Speed evt: qos_link_speed is in units of 10 Mbps */
be_async_grp5_qos_speed_process(struct be_adapter * adapter,struct be_mcc_compl * compl)382 static void be_async_grp5_qos_speed_process(struct be_adapter *adapter,
383 					    struct be_mcc_compl *compl)
384 {
385 	struct be_async_event_grp5_qos_link_speed *evt =
386 			(struct be_async_event_grp5_qos_link_speed *)compl;
387 
388 	if (adapter->phy.link_speed >= 0 &&
389 	    evt->physical_port == adapter->port_num)
390 		adapter->phy.link_speed = le16_to_cpu(evt->qos_link_speed) * 10;
391 }
392 
393 /*Grp5 PVID evt*/
be_async_grp5_pvid_state_process(struct be_adapter * adapter,struct be_mcc_compl * compl)394 static void be_async_grp5_pvid_state_process(struct be_adapter *adapter,
395 					     struct be_mcc_compl *compl)
396 {
397 	struct be_async_event_grp5_pvid_state *evt =
398 			(struct be_async_event_grp5_pvid_state *)compl;
399 
400 	if (evt->enabled) {
401 		adapter->pvid = le16_to_cpu(evt->tag) & VLAN_VID_MASK;
402 		dev_info(&adapter->pdev->dev, "LPVID: %d\n", adapter->pvid);
403 	} else {
404 		adapter->pvid = 0;
405 	}
406 }
407 
408 #define MGMT_ENABLE_MASK	0x4
be_async_grp5_fw_control_process(struct be_adapter * adapter,struct be_mcc_compl * compl)409 static void be_async_grp5_fw_control_process(struct be_adapter *adapter,
410 					     struct be_mcc_compl *compl)
411 {
412 	struct be_async_fw_control *evt = (struct be_async_fw_control *)compl;
413 	u32 evt_dw1 = le32_to_cpu(evt->event_data_word1);
414 
415 	if (evt_dw1 & MGMT_ENABLE_MASK) {
416 		adapter->flags |= BE_FLAGS_OS2BMC;
417 		adapter->bmc_filt_mask = le32_to_cpu(evt->event_data_word2);
418 	} else {
419 		adapter->flags &= ~BE_FLAGS_OS2BMC;
420 	}
421 }
422 
be_async_grp5_evt_process(struct be_adapter * adapter,struct be_mcc_compl * compl)423 static void be_async_grp5_evt_process(struct be_adapter *adapter,
424 				      struct be_mcc_compl *compl)
425 {
426 	u8 event_type = (compl->flags >> ASYNC_EVENT_TYPE_SHIFT) &
427 				ASYNC_EVENT_TYPE_MASK;
428 
429 	switch (event_type) {
430 	case ASYNC_EVENT_COS_PRIORITY:
431 		be_async_grp5_cos_priority_process(adapter, compl);
432 		break;
433 	case ASYNC_EVENT_QOS_SPEED:
434 		be_async_grp5_qos_speed_process(adapter, compl);
435 		break;
436 	case ASYNC_EVENT_PVID_STATE:
437 		be_async_grp5_pvid_state_process(adapter, compl);
438 		break;
439 	/* Async event to disable/enable os2bmc and/or mac-learning */
440 	case ASYNC_EVENT_FW_CONTROL:
441 		be_async_grp5_fw_control_process(adapter, compl);
442 		break;
443 	default:
444 		break;
445 	}
446 }
447 
be_async_dbg_evt_process(struct be_adapter * adapter,struct be_mcc_compl * cmp)448 static void be_async_dbg_evt_process(struct be_adapter *adapter,
449 				     struct be_mcc_compl *cmp)
450 {
451 	u8 event_type = 0;
452 	struct be_async_event_qnq *evt = (struct be_async_event_qnq *)cmp;
453 
454 	event_type = (cmp->flags >> ASYNC_EVENT_TYPE_SHIFT) &
455 			ASYNC_EVENT_TYPE_MASK;
456 
457 	switch (event_type) {
458 	case ASYNC_DEBUG_EVENT_TYPE_QNQ:
459 		if (evt->valid)
460 			adapter->qnq_vid = le16_to_cpu(evt->vlan_tag);
461 		adapter->flags |= BE_FLAGS_QNQ_ASYNC_EVT_RCVD;
462 	break;
463 	default:
464 		dev_warn(&adapter->pdev->dev, "Unknown debug event 0x%x!\n",
465 			 event_type);
466 	break;
467 	}
468 }
469 
be_async_sliport_evt_process(struct be_adapter * adapter,struct be_mcc_compl * cmp)470 static void be_async_sliport_evt_process(struct be_adapter *adapter,
471 					 struct be_mcc_compl *cmp)
472 {
473 	u8 event_type = (cmp->flags >> ASYNC_EVENT_TYPE_SHIFT) &
474 			ASYNC_EVENT_TYPE_MASK;
475 
476 	if (event_type == ASYNC_EVENT_PORT_MISCONFIG)
477 		be_async_port_misconfig_event_process(adapter, cmp);
478 }
479 
is_link_state_evt(u32 flags)480 static inline bool is_link_state_evt(u32 flags)
481 {
482 	return ((flags >> ASYNC_EVENT_CODE_SHIFT) & ASYNC_EVENT_CODE_MASK) ==
483 			ASYNC_EVENT_CODE_LINK_STATE;
484 }
485 
is_grp5_evt(u32 flags)486 static inline bool is_grp5_evt(u32 flags)
487 {
488 	return ((flags >> ASYNC_EVENT_CODE_SHIFT) & ASYNC_EVENT_CODE_MASK) ==
489 			ASYNC_EVENT_CODE_GRP_5;
490 }
491 
is_dbg_evt(u32 flags)492 static inline bool is_dbg_evt(u32 flags)
493 {
494 	return ((flags >> ASYNC_EVENT_CODE_SHIFT) & ASYNC_EVENT_CODE_MASK) ==
495 			ASYNC_EVENT_CODE_QNQ;
496 }
497 
is_sliport_evt(u32 flags)498 static inline bool is_sliport_evt(u32 flags)
499 {
500 	return ((flags >> ASYNC_EVENT_CODE_SHIFT) & ASYNC_EVENT_CODE_MASK) ==
501 		ASYNC_EVENT_CODE_SLIPORT;
502 }
503 
be_mcc_event_process(struct be_adapter * adapter,struct be_mcc_compl * compl)504 static void be_mcc_event_process(struct be_adapter *adapter,
505 				 struct be_mcc_compl *compl)
506 {
507 	if (is_link_state_evt(compl->flags))
508 		be_async_link_state_process(adapter, compl);
509 	else if (is_grp5_evt(compl->flags))
510 		be_async_grp5_evt_process(adapter, compl);
511 	else if (is_dbg_evt(compl->flags))
512 		be_async_dbg_evt_process(adapter, compl);
513 	else if (is_sliport_evt(compl->flags))
514 		be_async_sliport_evt_process(adapter, compl);
515 }
516 
be_mcc_compl_get(struct be_adapter * adapter)517 static struct be_mcc_compl *be_mcc_compl_get(struct be_adapter *adapter)
518 {
519 	struct be_queue_info *mcc_cq = &adapter->mcc_obj.cq;
520 	struct be_mcc_compl *compl = queue_tail_node(mcc_cq);
521 
522 	if (be_mcc_compl_is_new(compl)) {
523 		queue_tail_inc(mcc_cq);
524 		return compl;
525 	}
526 	return NULL;
527 }
528 
be_async_mcc_enable(struct be_adapter * adapter)529 void be_async_mcc_enable(struct be_adapter *adapter)
530 {
531 	spin_lock_bh(&adapter->mcc_cq_lock);
532 
533 	be_cq_notify(adapter, adapter->mcc_obj.cq.id, true, 0);
534 	adapter->mcc_obj.rearm_cq = true;
535 
536 	spin_unlock_bh(&adapter->mcc_cq_lock);
537 }
538 
be_async_mcc_disable(struct be_adapter * adapter)539 void be_async_mcc_disable(struct be_adapter *adapter)
540 {
541 	spin_lock_bh(&adapter->mcc_cq_lock);
542 
543 	adapter->mcc_obj.rearm_cq = false;
544 	be_cq_notify(adapter, adapter->mcc_obj.cq.id, false, 0);
545 
546 	spin_unlock_bh(&adapter->mcc_cq_lock);
547 }
548 
be_process_mcc(struct be_adapter * adapter)549 int be_process_mcc(struct be_adapter *adapter)
550 {
551 	struct be_mcc_compl *compl;
552 	int num = 0, status = 0;
553 	struct be_mcc_obj *mcc_obj = &adapter->mcc_obj;
554 
555 	spin_lock(&adapter->mcc_cq_lock);
556 
557 	while ((compl = be_mcc_compl_get(adapter))) {
558 		if (compl->flags & CQE_FLAGS_ASYNC_MASK) {
559 			be_mcc_event_process(adapter, compl);
560 		} else if (compl->flags & CQE_FLAGS_COMPLETED_MASK) {
561 			status = be_mcc_compl_process(adapter, compl);
562 			atomic_dec(&mcc_obj->q.used);
563 		}
564 		be_mcc_compl_use(compl);
565 		num++;
566 	}
567 
568 	if (num)
569 		be_cq_notify(adapter, mcc_obj->cq.id, mcc_obj->rearm_cq, num);
570 
571 	spin_unlock(&adapter->mcc_cq_lock);
572 	return status;
573 }
574 
575 /* Wait till no more pending mcc requests are present */
be_mcc_wait_compl(struct be_adapter * adapter)576 static int be_mcc_wait_compl(struct be_adapter *adapter)
577 {
578 #define mcc_timeout		12000 /* 12s timeout */
579 	int i, status = 0;
580 	struct be_mcc_obj *mcc_obj = &adapter->mcc_obj;
581 
582 	for (i = 0; i < mcc_timeout; i++) {
583 		if (be_check_error(adapter, BE_ERROR_ANY))
584 			return -EIO;
585 
586 		local_bh_disable();
587 		status = be_process_mcc(adapter);
588 		local_bh_enable();
589 
590 		if (atomic_read(&mcc_obj->q.used) == 0)
591 			break;
592 		usleep_range(500, 1000);
593 	}
594 	if (i == mcc_timeout) {
595 		dev_err(&adapter->pdev->dev, "FW not responding\n");
596 		be_set_error(adapter, BE_ERROR_FW);
597 		return -EIO;
598 	}
599 	return status;
600 }
601 
602 /* Notify MCC requests and wait for completion */
be_mcc_notify_wait(struct be_adapter * adapter)603 static int be_mcc_notify_wait(struct be_adapter *adapter)
604 {
605 	int status;
606 	struct be_mcc_wrb *wrb;
607 	struct be_mcc_obj *mcc_obj = &adapter->mcc_obj;
608 	u32 index = mcc_obj->q.head;
609 	struct be_cmd_resp_hdr *resp;
610 
611 	index_dec(&index, mcc_obj->q.len);
612 	wrb = queue_index_node(&mcc_obj->q, index);
613 
614 	resp = be_decode_resp_hdr(wrb->tag0, wrb->tag1);
615 
616 	status = be_mcc_notify(adapter);
617 	if (status)
618 		goto out;
619 
620 	status = be_mcc_wait_compl(adapter);
621 	if (status == -EIO)
622 		goto out;
623 
624 	status = (resp->base_status |
625 		  ((resp->addl_status & CQE_ADDL_STATUS_MASK) <<
626 		   CQE_ADDL_STATUS_SHIFT));
627 out:
628 	return status;
629 }
630 
be_mbox_db_ready_wait(struct be_adapter * adapter,void __iomem * db)631 static int be_mbox_db_ready_wait(struct be_adapter *adapter, void __iomem *db)
632 {
633 	int msecs = 0;
634 	u32 ready;
635 
636 	do {
637 		if (be_check_error(adapter, BE_ERROR_ANY))
638 			return -EIO;
639 
640 		ready = ioread32(db);
641 		if (ready == 0xffffffff)
642 			return -1;
643 
644 		ready &= MPU_MAILBOX_DB_RDY_MASK;
645 		if (ready)
646 			break;
647 
648 		if (msecs > 4000) {
649 			dev_err(&adapter->pdev->dev, "FW not responding\n");
650 			be_set_error(adapter, BE_ERROR_FW);
651 			be_detect_error(adapter);
652 			return -1;
653 		}
654 
655 		msleep(1);
656 		msecs++;
657 	} while (true);
658 
659 	return 0;
660 }
661 
662 /* Insert the mailbox address into the doorbell in two steps
663  * Polls on the mbox doorbell till a command completion (or a timeout) occurs
664  */
be_mbox_notify_wait(struct be_adapter * adapter)665 static int be_mbox_notify_wait(struct be_adapter *adapter)
666 {
667 	int status;
668 	u32 val = 0;
669 	void __iomem *db = adapter->db + MPU_MAILBOX_DB_OFFSET;
670 	struct be_dma_mem *mbox_mem = &adapter->mbox_mem;
671 	struct be_mcc_mailbox *mbox = mbox_mem->va;
672 	struct be_mcc_compl *compl = &mbox->compl;
673 
674 	/* wait for ready to be set */
675 	status = be_mbox_db_ready_wait(adapter, db);
676 	if (status != 0)
677 		return status;
678 
679 	val |= MPU_MAILBOX_DB_HI_MASK;
680 	/* at bits 2 - 31 place mbox dma addr msb bits 34 - 63 */
681 	val |= (upper_32_bits(mbox_mem->dma) >> 2) << 2;
682 	iowrite32(val, db);
683 
684 	/* wait for ready to be set */
685 	status = be_mbox_db_ready_wait(adapter, db);
686 	if (status != 0)
687 		return status;
688 
689 	val = 0;
690 	/* at bits 2 - 31 place mbox dma addr lsb bits 4 - 33 */
691 	val |= (u32)(mbox_mem->dma >> 4) << 2;
692 	iowrite32(val, db);
693 
694 	status = be_mbox_db_ready_wait(adapter, db);
695 	if (status != 0)
696 		return status;
697 
698 	/* A cq entry has been made now */
699 	if (be_mcc_compl_is_new(compl)) {
700 		status = be_mcc_compl_process(adapter, &mbox->compl);
701 		be_mcc_compl_use(compl);
702 		if (status)
703 			return status;
704 	} else {
705 		dev_err(&adapter->pdev->dev, "invalid mailbox completion\n");
706 		return -1;
707 	}
708 	return 0;
709 }
710 
be_POST_stage_get(struct be_adapter * adapter)711 u16 be_POST_stage_get(struct be_adapter *adapter)
712 {
713 	u32 sem;
714 
715 	if (BEx_chip(adapter))
716 		sem  = ioread32(adapter->csr + SLIPORT_SEMAPHORE_OFFSET_BEx);
717 	else
718 		pci_read_config_dword(adapter->pdev,
719 				      SLIPORT_SEMAPHORE_OFFSET_SH, &sem);
720 
721 	return sem & POST_STAGE_MASK;
722 }
723 
lancer_wait_ready(struct be_adapter * adapter)724 static int lancer_wait_ready(struct be_adapter *adapter)
725 {
726 #define SLIPORT_READY_TIMEOUT 30
727 	u32 sliport_status;
728 	int i;
729 
730 	for (i = 0; i < SLIPORT_READY_TIMEOUT; i++) {
731 		sliport_status = ioread32(adapter->db + SLIPORT_STATUS_OFFSET);
732 		if (sliport_status & SLIPORT_STATUS_RDY_MASK)
733 			return 0;
734 
735 		if (sliport_status & SLIPORT_STATUS_ERR_MASK &&
736 		    !(sliport_status & SLIPORT_STATUS_RN_MASK))
737 			return -EIO;
738 
739 		msleep(1000);
740 	}
741 
742 	return sliport_status ? : -1;
743 }
744 
be_fw_wait_ready(struct be_adapter * adapter)745 int be_fw_wait_ready(struct be_adapter *adapter)
746 {
747 	u16 stage;
748 	int status, timeout = 0;
749 	struct device *dev = &adapter->pdev->dev;
750 
751 	if (lancer_chip(adapter)) {
752 		status = lancer_wait_ready(adapter);
753 		if (status) {
754 			stage = status;
755 			goto err;
756 		}
757 		return 0;
758 	}
759 
760 	do {
761 		/* There's no means to poll POST state on BE2/3 VFs */
762 		if (BEx_chip(adapter) && be_virtfn(adapter))
763 			return 0;
764 
765 		stage = be_POST_stage_get(adapter);
766 		if (stage == POST_STAGE_ARMFW_RDY)
767 			return 0;
768 
769 		dev_info(dev, "Waiting for POST, %ds elapsed\n", timeout);
770 		if (msleep_interruptible(2000)) {
771 			dev_err(dev, "Waiting for POST aborted\n");
772 			return -EINTR;
773 		}
774 		timeout += 2;
775 	} while (timeout < 60);
776 
777 err:
778 	dev_err(dev, "POST timeout; stage=%#x\n", stage);
779 	return -ETIMEDOUT;
780 }
781 
nonembedded_sgl(struct be_mcc_wrb * wrb)782 static inline struct be_sge *nonembedded_sgl(struct be_mcc_wrb *wrb)
783 {
784 	return &wrb->payload.sgl[0];
785 }
786 
fill_wrb_tags(struct be_mcc_wrb * wrb,unsigned long addr)787 static inline void fill_wrb_tags(struct be_mcc_wrb *wrb, unsigned long addr)
788 {
789 	wrb->tag0 = addr & 0xFFFFFFFF;
790 	wrb->tag1 = upper_32_bits(addr);
791 }
792 
793 /* Don't touch the hdr after it's prepared */
794 /* mem will be NULL for embedded commands */
be_wrb_cmd_hdr_prepare(struct be_cmd_req_hdr * req_hdr,u8 subsystem,u8 opcode,int cmd_len,struct be_mcc_wrb * wrb,struct be_dma_mem * mem)795 static void be_wrb_cmd_hdr_prepare(struct be_cmd_req_hdr *req_hdr,
796 				   u8 subsystem, u8 opcode, int cmd_len,
797 				   struct be_mcc_wrb *wrb,
798 				   struct be_dma_mem *mem)
799 {
800 	struct be_sge *sge;
801 
802 	req_hdr->opcode = opcode;
803 	req_hdr->subsystem = subsystem;
804 	req_hdr->request_length = cpu_to_le32(cmd_len - sizeof(*req_hdr));
805 	req_hdr->version = 0;
806 	fill_wrb_tags(wrb, (ulong)req_hdr);
807 	wrb->payload_length = cmd_len;
808 	if (mem) {
809 		wrb->embedded |= (1 & MCC_WRB_SGE_CNT_MASK) <<
810 			MCC_WRB_SGE_CNT_SHIFT;
811 		sge = nonembedded_sgl(wrb);
812 		sge->pa_hi = cpu_to_le32(upper_32_bits(mem->dma));
813 		sge->pa_lo = cpu_to_le32(mem->dma & 0xFFFFFFFF);
814 		sge->len = cpu_to_le32(mem->size);
815 	} else
816 		wrb->embedded |= MCC_WRB_EMBEDDED_MASK;
817 	be_dws_cpu_to_le(wrb, 8);
818 }
819 
be_cmd_page_addrs_prepare(struct phys_addr * pages,u32 max_pages,struct be_dma_mem * mem)820 static void be_cmd_page_addrs_prepare(struct phys_addr *pages, u32 max_pages,
821 				      struct be_dma_mem *mem)
822 {
823 	int i, buf_pages = min(PAGES_4K_SPANNED(mem->va, mem->size), max_pages);
824 	u64 dma = (u64)mem->dma;
825 
826 	for (i = 0; i < buf_pages; i++) {
827 		pages[i].lo = cpu_to_le32(dma & 0xFFFFFFFF);
828 		pages[i].hi = cpu_to_le32(upper_32_bits(dma));
829 		dma += PAGE_SIZE_4K;
830 	}
831 }
832 
wrb_from_mbox(struct be_adapter * adapter)833 static inline struct be_mcc_wrb *wrb_from_mbox(struct be_adapter *adapter)
834 {
835 	struct be_dma_mem *mbox_mem = &adapter->mbox_mem;
836 	struct be_mcc_wrb *wrb = &((struct be_mcc_mailbox *)(mbox_mem->va))->wrb;
837 
838 	memset(wrb, 0, sizeof(*wrb));
839 	return wrb;
840 }
841 
wrb_from_mccq(struct be_adapter * adapter)842 static struct be_mcc_wrb *wrb_from_mccq(struct be_adapter *adapter)
843 {
844 	struct be_queue_info *mccq = &adapter->mcc_obj.q;
845 	struct be_mcc_wrb *wrb;
846 
847 	if (!mccq->created)
848 		return NULL;
849 
850 	if (atomic_read(&mccq->used) >= mccq->len)
851 		return NULL;
852 
853 	wrb = queue_head_node(mccq);
854 	queue_head_inc(mccq);
855 	atomic_inc(&mccq->used);
856 	memset(wrb, 0, sizeof(*wrb));
857 	return wrb;
858 }
859 
use_mcc(struct be_adapter * adapter)860 static bool use_mcc(struct be_adapter *adapter)
861 {
862 	return adapter->mcc_obj.q.created;
863 }
864 
865 /* Must be used only in process context */
be_cmd_lock(struct be_adapter * adapter)866 static int be_cmd_lock(struct be_adapter *adapter)
867 {
868 	if (use_mcc(adapter)) {
869 		mutex_lock(&adapter->mcc_lock);
870 		return 0;
871 	} else {
872 		return mutex_lock_interruptible(&adapter->mbox_lock);
873 	}
874 }
875 
876 /* Must be used only in process context */
be_cmd_unlock(struct be_adapter * adapter)877 static void be_cmd_unlock(struct be_adapter *adapter)
878 {
879 	if (use_mcc(adapter))
880 		return mutex_unlock(&adapter->mcc_lock);
881 	else
882 		return mutex_unlock(&adapter->mbox_lock);
883 }
884 
be_cmd_copy(struct be_adapter * adapter,struct be_mcc_wrb * wrb)885 static struct be_mcc_wrb *be_cmd_copy(struct be_adapter *adapter,
886 				      struct be_mcc_wrb *wrb)
887 {
888 	struct be_mcc_wrb *dest_wrb;
889 
890 	if (use_mcc(adapter)) {
891 		dest_wrb = wrb_from_mccq(adapter);
892 		if (!dest_wrb)
893 			return NULL;
894 	} else {
895 		dest_wrb = wrb_from_mbox(adapter);
896 	}
897 
898 	memcpy(dest_wrb, wrb, sizeof(*wrb));
899 	if (wrb->embedded & cpu_to_le32(MCC_WRB_EMBEDDED_MASK))
900 		fill_wrb_tags(dest_wrb, (ulong)embedded_payload(wrb));
901 
902 	return dest_wrb;
903 }
904 
905 /* Must be used only in process context */
be_cmd_notify_wait(struct be_adapter * adapter,struct be_mcc_wrb * wrb)906 static int be_cmd_notify_wait(struct be_adapter *adapter,
907 			      struct be_mcc_wrb *wrb)
908 {
909 	struct be_mcc_wrb *dest_wrb;
910 	int status;
911 
912 	status = be_cmd_lock(adapter);
913 	if (status)
914 		return status;
915 
916 	dest_wrb = be_cmd_copy(adapter, wrb);
917 	if (!dest_wrb) {
918 		status = -EBUSY;
919 		goto unlock;
920 	}
921 
922 	if (use_mcc(adapter))
923 		status = be_mcc_notify_wait(adapter);
924 	else
925 		status = be_mbox_notify_wait(adapter);
926 
927 	if (!status)
928 		memcpy(wrb, dest_wrb, sizeof(*wrb));
929 
930 unlock:
931 	be_cmd_unlock(adapter);
932 	return status;
933 }
934 
935 /* Tell fw we're about to start firing cmds by writing a
936  * special pattern across the wrb hdr; uses mbox
937  */
be_cmd_fw_init(struct be_adapter * adapter)938 int be_cmd_fw_init(struct be_adapter *adapter)
939 {
940 	u8 *wrb;
941 	int status;
942 
943 	if (lancer_chip(adapter))
944 		return 0;
945 
946 	if (mutex_lock_interruptible(&adapter->mbox_lock))
947 		return -1;
948 
949 	wrb = (u8 *)wrb_from_mbox(adapter);
950 	*wrb++ = 0xFF;
951 	*wrb++ = 0x12;
952 	*wrb++ = 0x34;
953 	*wrb++ = 0xFF;
954 	*wrb++ = 0xFF;
955 	*wrb++ = 0x56;
956 	*wrb++ = 0x78;
957 	*wrb = 0xFF;
958 
959 	status = be_mbox_notify_wait(adapter);
960 
961 	mutex_unlock(&adapter->mbox_lock);
962 	return status;
963 }
964 
965 /* Tell fw we're done with firing cmds by writing a
966  * special pattern across the wrb hdr; uses mbox
967  */
be_cmd_fw_clean(struct be_adapter * adapter)968 int be_cmd_fw_clean(struct be_adapter *adapter)
969 {
970 	u8 *wrb;
971 	int status;
972 
973 	if (lancer_chip(adapter))
974 		return 0;
975 
976 	if (mutex_lock_interruptible(&adapter->mbox_lock))
977 		return -1;
978 
979 	wrb = (u8 *)wrb_from_mbox(adapter);
980 	*wrb++ = 0xFF;
981 	*wrb++ = 0xAA;
982 	*wrb++ = 0xBB;
983 	*wrb++ = 0xFF;
984 	*wrb++ = 0xFF;
985 	*wrb++ = 0xCC;
986 	*wrb++ = 0xDD;
987 	*wrb = 0xFF;
988 
989 	status = be_mbox_notify_wait(adapter);
990 
991 	mutex_unlock(&adapter->mbox_lock);
992 	return status;
993 }
994 
be_cmd_eq_create(struct be_adapter * adapter,struct be_eq_obj * eqo)995 int be_cmd_eq_create(struct be_adapter *adapter, struct be_eq_obj *eqo)
996 {
997 	struct be_mcc_wrb *wrb;
998 	struct be_cmd_req_eq_create *req;
999 	struct be_dma_mem *q_mem = &eqo->q.dma_mem;
1000 	int status, ver = 0;
1001 
1002 	if (mutex_lock_interruptible(&adapter->mbox_lock))
1003 		return -1;
1004 
1005 	wrb = wrb_from_mbox(adapter);
1006 	req = embedded_payload(wrb);
1007 
1008 	be_wrb_cmd_hdr_prepare(&req->hdr, CMD_SUBSYSTEM_COMMON,
1009 			       OPCODE_COMMON_EQ_CREATE, sizeof(*req), wrb,
1010 			       NULL);
1011 
1012 	/* Support for EQ_CREATEv2 available only SH-R onwards */
1013 	if (!(BEx_chip(adapter) || lancer_chip(adapter)))
1014 		ver = 2;
1015 
1016 	req->hdr.version = ver;
1017 	req->num_pages =  cpu_to_le16(PAGES_4K_SPANNED(q_mem->va, q_mem->size));
1018 
1019 	AMAP_SET_BITS(struct amap_eq_context, valid, req->context, 1);
1020 	/* 4byte eqe*/
1021 	AMAP_SET_BITS(struct amap_eq_context, size, req->context, 0);
1022 	AMAP_SET_BITS(struct amap_eq_context, count, req->context,
1023 		      __ilog2_u32(eqo->q.len / 256));
1024 	be_dws_cpu_to_le(req->context, sizeof(req->context));
1025 
1026 	be_cmd_page_addrs_prepare(req->pages, ARRAY_SIZE(req->pages), q_mem);
1027 
1028 	status = be_mbox_notify_wait(adapter);
1029 	if (!status) {
1030 		struct be_cmd_resp_eq_create *resp = embedded_payload(wrb);
1031 
1032 		eqo->q.id = le16_to_cpu(resp->eq_id);
1033 		eqo->msix_idx =
1034 			(ver == 2) ? le16_to_cpu(resp->msix_idx) : eqo->idx;
1035 		eqo->q.created = true;
1036 	}
1037 
1038 	mutex_unlock(&adapter->mbox_lock);
1039 	return status;
1040 }
1041 
1042 /* Use MCC */
be_cmd_mac_addr_query(struct be_adapter * adapter,u8 * mac_addr,bool permanent,u32 if_handle,u32 pmac_id)1043 int be_cmd_mac_addr_query(struct be_adapter *adapter, u8 *mac_addr,
1044 			  bool permanent, u32 if_handle, u32 pmac_id)
1045 {
1046 	struct be_mcc_wrb *wrb;
1047 	struct be_cmd_req_mac_query *req;
1048 	int status;
1049 
1050 	mutex_lock(&adapter->mcc_lock);
1051 
1052 	wrb = wrb_from_mccq(adapter);
1053 	if (!wrb) {
1054 		status = -EBUSY;
1055 		goto err;
1056 	}
1057 	req = embedded_payload(wrb);
1058 
1059 	be_wrb_cmd_hdr_prepare(&req->hdr, CMD_SUBSYSTEM_COMMON,
1060 			       OPCODE_COMMON_NTWK_MAC_QUERY, sizeof(*req), wrb,
1061 			       NULL);
1062 	req->type = MAC_ADDRESS_TYPE_NETWORK;
1063 	if (permanent) {
1064 		req->permanent = 1;
1065 	} else {
1066 		req->if_id = cpu_to_le16((u16)if_handle);
1067 		req->pmac_id = cpu_to_le32(pmac_id);
1068 		req->permanent = 0;
1069 	}
1070 
1071 	status = be_mcc_notify_wait(adapter);
1072 	if (!status) {
1073 		struct be_cmd_resp_mac_query *resp = embedded_payload(wrb);
1074 
1075 		memcpy(mac_addr, resp->mac.addr, ETH_ALEN);
1076 	}
1077 
1078 err:
1079 	mutex_unlock(&adapter->mcc_lock);
1080 	return status;
1081 }
1082 
1083 /* Uses synchronous MCCQ */
be_cmd_pmac_add(struct be_adapter * adapter,const u8 * mac_addr,u32 if_id,u32 * pmac_id,u32 domain)1084 int be_cmd_pmac_add(struct be_adapter *adapter, const u8 *mac_addr,
1085 		    u32 if_id, u32 *pmac_id, u32 domain)
1086 {
1087 	struct be_mcc_wrb *wrb;
1088 	struct be_cmd_req_pmac_add *req;
1089 	int status;
1090 
1091 	mutex_lock(&adapter->mcc_lock);
1092 
1093 	wrb = wrb_from_mccq(adapter);
1094 	if (!wrb) {
1095 		status = -EBUSY;
1096 		goto err;
1097 	}
1098 	req = embedded_payload(wrb);
1099 
1100 	be_wrb_cmd_hdr_prepare(&req->hdr, CMD_SUBSYSTEM_COMMON,
1101 			       OPCODE_COMMON_NTWK_PMAC_ADD, sizeof(*req), wrb,
1102 			       NULL);
1103 
1104 	req->hdr.domain = domain;
1105 	req->if_id = cpu_to_le32(if_id);
1106 	memcpy(req->mac_address, mac_addr, ETH_ALEN);
1107 
1108 	status = be_mcc_notify_wait(adapter);
1109 	if (!status) {
1110 		struct be_cmd_resp_pmac_add *resp = embedded_payload(wrb);
1111 
1112 		*pmac_id = le32_to_cpu(resp->pmac_id);
1113 	}
1114 
1115 err:
1116 	mutex_unlock(&adapter->mcc_lock);
1117 
1118 	if (base_status(status) == MCC_STATUS_UNAUTHORIZED_REQUEST)
1119 		status = -EPERM;
1120 
1121 	return status;
1122 }
1123 
1124 /* Uses synchronous MCCQ */
be_cmd_pmac_del(struct be_adapter * adapter,u32 if_id,int pmac_id,u32 dom)1125 int be_cmd_pmac_del(struct be_adapter *adapter, u32 if_id, int pmac_id, u32 dom)
1126 {
1127 	struct be_mcc_wrb *wrb;
1128 	struct be_cmd_req_pmac_del *req;
1129 	int status;
1130 
1131 	if (pmac_id == -1)
1132 		return 0;
1133 
1134 	mutex_lock(&adapter->mcc_lock);
1135 
1136 	wrb = wrb_from_mccq(adapter);
1137 	if (!wrb) {
1138 		status = -EBUSY;
1139 		goto err;
1140 	}
1141 	req = embedded_payload(wrb);
1142 
1143 	be_wrb_cmd_hdr_prepare(&req->hdr, CMD_SUBSYSTEM_COMMON,
1144 			       OPCODE_COMMON_NTWK_PMAC_DEL, sizeof(*req),
1145 			       wrb, NULL);
1146 
1147 	req->hdr.domain = dom;
1148 	req->if_id = cpu_to_le32(if_id);
1149 	req->pmac_id = cpu_to_le32(pmac_id);
1150 
1151 	status = be_mcc_notify_wait(adapter);
1152 
1153 err:
1154 	mutex_unlock(&adapter->mcc_lock);
1155 	return status;
1156 }
1157 
1158 /* Uses Mbox */
be_cmd_cq_create(struct be_adapter * adapter,struct be_queue_info * cq,struct be_queue_info * eq,bool no_delay,int coalesce_wm)1159 int be_cmd_cq_create(struct be_adapter *adapter, struct be_queue_info *cq,
1160 		     struct be_queue_info *eq, bool no_delay, int coalesce_wm)
1161 {
1162 	struct be_mcc_wrb *wrb;
1163 	struct be_cmd_req_cq_create *req;
1164 	struct be_dma_mem *q_mem = &cq->dma_mem;
1165 	void *ctxt;
1166 	int status;
1167 
1168 	if (mutex_lock_interruptible(&adapter->mbox_lock))
1169 		return -1;
1170 
1171 	wrb = wrb_from_mbox(adapter);
1172 	req = embedded_payload(wrb);
1173 	ctxt = &req->context;
1174 
1175 	be_wrb_cmd_hdr_prepare(&req->hdr, CMD_SUBSYSTEM_COMMON,
1176 			       OPCODE_COMMON_CQ_CREATE, sizeof(*req), wrb,
1177 			       NULL);
1178 
1179 	req->num_pages =  cpu_to_le16(PAGES_4K_SPANNED(q_mem->va, q_mem->size));
1180 
1181 	if (BEx_chip(adapter)) {
1182 		AMAP_SET_BITS(struct amap_cq_context_be, coalescwm, ctxt,
1183 			      coalesce_wm);
1184 		AMAP_SET_BITS(struct amap_cq_context_be, nodelay,
1185 			      ctxt, no_delay);
1186 		AMAP_SET_BITS(struct amap_cq_context_be, count, ctxt,
1187 			      __ilog2_u32(cq->len / 256));
1188 		AMAP_SET_BITS(struct amap_cq_context_be, valid, ctxt, 1);
1189 		AMAP_SET_BITS(struct amap_cq_context_be, eventable, ctxt, 1);
1190 		AMAP_SET_BITS(struct amap_cq_context_be, eqid, ctxt, eq->id);
1191 	} else {
1192 		req->hdr.version = 2;
1193 		req->page_size = 1; /* 1 for 4K */
1194 
1195 		/* coalesce-wm field in this cmd is not relevant to Lancer.
1196 		 * Lancer uses COMMON_MODIFY_CQ to set this field
1197 		 */
1198 		if (!lancer_chip(adapter))
1199 			AMAP_SET_BITS(struct amap_cq_context_v2, coalescwm,
1200 				      ctxt, coalesce_wm);
1201 		AMAP_SET_BITS(struct amap_cq_context_v2, nodelay, ctxt,
1202 			      no_delay);
1203 		AMAP_SET_BITS(struct amap_cq_context_v2, count, ctxt,
1204 			      __ilog2_u32(cq->len / 256));
1205 		AMAP_SET_BITS(struct amap_cq_context_v2, valid, ctxt, 1);
1206 		AMAP_SET_BITS(struct amap_cq_context_v2, eventable, ctxt, 1);
1207 		AMAP_SET_BITS(struct amap_cq_context_v2, eqid, ctxt, eq->id);
1208 	}
1209 
1210 	be_dws_cpu_to_le(ctxt, sizeof(req->context));
1211 
1212 	be_cmd_page_addrs_prepare(req->pages, ARRAY_SIZE(req->pages), q_mem);
1213 
1214 	status = be_mbox_notify_wait(adapter);
1215 	if (!status) {
1216 		struct be_cmd_resp_cq_create *resp = embedded_payload(wrb);
1217 
1218 		cq->id = le16_to_cpu(resp->cq_id);
1219 		cq->created = true;
1220 	}
1221 
1222 	mutex_unlock(&adapter->mbox_lock);
1223 
1224 	return status;
1225 }
1226 
be_encoded_q_len(int q_len)1227 static u32 be_encoded_q_len(int q_len)
1228 {
1229 	u32 len_encoded = fls(q_len); /* log2(len) + 1 */
1230 
1231 	if (len_encoded == 16)
1232 		len_encoded = 0;
1233 	return len_encoded;
1234 }
1235 
be_cmd_mccq_ext_create(struct be_adapter * adapter,struct be_queue_info * mccq,struct be_queue_info * cq)1236 static int be_cmd_mccq_ext_create(struct be_adapter *adapter,
1237 				  struct be_queue_info *mccq,
1238 				  struct be_queue_info *cq)
1239 {
1240 	struct be_mcc_wrb *wrb;
1241 	struct be_cmd_req_mcc_ext_create *req;
1242 	struct be_dma_mem *q_mem = &mccq->dma_mem;
1243 	void *ctxt;
1244 	int status;
1245 
1246 	if (mutex_lock_interruptible(&adapter->mbox_lock))
1247 		return -1;
1248 
1249 	wrb = wrb_from_mbox(adapter);
1250 	req = embedded_payload(wrb);
1251 	ctxt = &req->context;
1252 
1253 	be_wrb_cmd_hdr_prepare(&req->hdr, CMD_SUBSYSTEM_COMMON,
1254 			       OPCODE_COMMON_MCC_CREATE_EXT, sizeof(*req), wrb,
1255 			       NULL);
1256 
1257 	req->num_pages = cpu_to_le16(PAGES_4K_SPANNED(q_mem->va, q_mem->size));
1258 	if (BEx_chip(adapter)) {
1259 		AMAP_SET_BITS(struct amap_mcc_context_be, valid, ctxt, 1);
1260 		AMAP_SET_BITS(struct amap_mcc_context_be, ring_size, ctxt,
1261 			      be_encoded_q_len(mccq->len));
1262 		AMAP_SET_BITS(struct amap_mcc_context_be, cq_id, ctxt, cq->id);
1263 	} else {
1264 		req->hdr.version = 1;
1265 		req->cq_id = cpu_to_le16(cq->id);
1266 
1267 		AMAP_SET_BITS(struct amap_mcc_context_v1, ring_size, ctxt,
1268 			      be_encoded_q_len(mccq->len));
1269 		AMAP_SET_BITS(struct amap_mcc_context_v1, valid, ctxt, 1);
1270 		AMAP_SET_BITS(struct amap_mcc_context_v1, async_cq_id,
1271 			      ctxt, cq->id);
1272 		AMAP_SET_BITS(struct amap_mcc_context_v1, async_cq_valid,
1273 			      ctxt, 1);
1274 	}
1275 
1276 	/* Subscribe to Link State, Sliport Event and Group 5 Events
1277 	 * (bits 1, 5 and 17 set)
1278 	 */
1279 	req->async_event_bitmap[0] =
1280 			cpu_to_le32(BIT(ASYNC_EVENT_CODE_LINK_STATE) |
1281 				    BIT(ASYNC_EVENT_CODE_GRP_5) |
1282 				    BIT(ASYNC_EVENT_CODE_QNQ) |
1283 				    BIT(ASYNC_EVENT_CODE_SLIPORT));
1284 
1285 	be_dws_cpu_to_le(ctxt, sizeof(req->context));
1286 
1287 	be_cmd_page_addrs_prepare(req->pages, ARRAY_SIZE(req->pages), q_mem);
1288 
1289 	status = be_mbox_notify_wait(adapter);
1290 	if (!status) {
1291 		struct be_cmd_resp_mcc_create *resp = embedded_payload(wrb);
1292 
1293 		mccq->id = le16_to_cpu(resp->id);
1294 		mccq->created = true;
1295 	}
1296 	mutex_unlock(&adapter->mbox_lock);
1297 
1298 	return status;
1299 }
1300 
be_cmd_mccq_org_create(struct be_adapter * adapter,struct be_queue_info * mccq,struct be_queue_info * cq)1301 static int be_cmd_mccq_org_create(struct be_adapter *adapter,
1302 				  struct be_queue_info *mccq,
1303 				  struct be_queue_info *cq)
1304 {
1305 	struct be_mcc_wrb *wrb;
1306 	struct be_cmd_req_mcc_create *req;
1307 	struct be_dma_mem *q_mem = &mccq->dma_mem;
1308 	void *ctxt;
1309 	int status;
1310 
1311 	if (mutex_lock_interruptible(&adapter->mbox_lock))
1312 		return -1;
1313 
1314 	wrb = wrb_from_mbox(adapter);
1315 	req = embedded_payload(wrb);
1316 	ctxt = &req->context;
1317 
1318 	be_wrb_cmd_hdr_prepare(&req->hdr, CMD_SUBSYSTEM_COMMON,
1319 			       OPCODE_COMMON_MCC_CREATE, sizeof(*req), wrb,
1320 			       NULL);
1321 
1322 	req->num_pages = cpu_to_le16(PAGES_4K_SPANNED(q_mem->va, q_mem->size));
1323 
1324 	AMAP_SET_BITS(struct amap_mcc_context_be, valid, ctxt, 1);
1325 	AMAP_SET_BITS(struct amap_mcc_context_be, ring_size, ctxt,
1326 		      be_encoded_q_len(mccq->len));
1327 	AMAP_SET_BITS(struct amap_mcc_context_be, cq_id, ctxt, cq->id);
1328 
1329 	be_dws_cpu_to_le(ctxt, sizeof(req->context));
1330 
1331 	be_cmd_page_addrs_prepare(req->pages, ARRAY_SIZE(req->pages), q_mem);
1332 
1333 	status = be_mbox_notify_wait(adapter);
1334 	if (!status) {
1335 		struct be_cmd_resp_mcc_create *resp = embedded_payload(wrb);
1336 
1337 		mccq->id = le16_to_cpu(resp->id);
1338 		mccq->created = true;
1339 	}
1340 
1341 	mutex_unlock(&adapter->mbox_lock);
1342 	return status;
1343 }
1344 
be_cmd_mccq_create(struct be_adapter * adapter,struct be_queue_info * mccq,struct be_queue_info * cq)1345 int be_cmd_mccq_create(struct be_adapter *adapter,
1346 		       struct be_queue_info *mccq, struct be_queue_info *cq)
1347 {
1348 	int status;
1349 
1350 	status = be_cmd_mccq_ext_create(adapter, mccq, cq);
1351 	if (status && BEx_chip(adapter)) {
1352 		dev_warn(&adapter->pdev->dev, "Upgrade to F/W ver 2.102.235.0 "
1353 			"or newer to avoid conflicting priorities between NIC "
1354 			"and FCoE traffic");
1355 		status = be_cmd_mccq_org_create(adapter, mccq, cq);
1356 	}
1357 	return status;
1358 }
1359 
be_cmd_txq_create(struct be_adapter * adapter,struct be_tx_obj * txo)1360 int be_cmd_txq_create(struct be_adapter *adapter, struct be_tx_obj *txo)
1361 {
1362 	struct be_mcc_wrb wrb = {0};
1363 	struct be_cmd_req_eth_tx_create *req;
1364 	struct be_queue_info *txq = &txo->q;
1365 	struct be_queue_info *cq = &txo->cq;
1366 	struct be_dma_mem *q_mem = &txq->dma_mem;
1367 	int status, ver = 0;
1368 
1369 	req = embedded_payload(&wrb);
1370 	be_wrb_cmd_hdr_prepare(&req->hdr, CMD_SUBSYSTEM_ETH,
1371 			       OPCODE_ETH_TX_CREATE, sizeof(*req), &wrb, NULL);
1372 
1373 	if (lancer_chip(adapter)) {
1374 		req->hdr.version = 1;
1375 	} else if (BEx_chip(adapter)) {
1376 		if (adapter->function_caps & BE_FUNCTION_CAPS_SUPER_NIC)
1377 			req->hdr.version = 2;
1378 	} else { /* For SH */
1379 		req->hdr.version = 2;
1380 	}
1381 
1382 	if (req->hdr.version > 0)
1383 		req->if_id = cpu_to_le16(adapter->if_handle);
1384 	req->num_pages = PAGES_4K_SPANNED(q_mem->va, q_mem->size);
1385 	req->ulp_num = BE_ULP1_NUM;
1386 	req->type = BE_ETH_TX_RING_TYPE_STANDARD;
1387 	req->cq_id = cpu_to_le16(cq->id);
1388 	req->queue_size = be_encoded_q_len(txq->len);
1389 	be_cmd_page_addrs_prepare(req->pages, ARRAY_SIZE(req->pages), q_mem);
1390 	ver = req->hdr.version;
1391 
1392 	status = be_cmd_notify_wait(adapter, &wrb);
1393 	if (!status) {
1394 		struct be_cmd_resp_eth_tx_create *resp = embedded_payload(&wrb);
1395 
1396 		txq->id = le16_to_cpu(resp->cid);
1397 		if (ver == 2)
1398 			txo->db_offset = le32_to_cpu(resp->db_offset);
1399 		else
1400 			txo->db_offset = DB_TXULP1_OFFSET;
1401 		txq->created = true;
1402 	}
1403 
1404 	return status;
1405 }
1406 
1407 /* Uses MCC */
be_cmd_rxq_create(struct be_adapter * adapter,struct be_queue_info * rxq,u16 cq_id,u16 frag_size,u32 if_id,u32 rss,u8 * rss_id)1408 int be_cmd_rxq_create(struct be_adapter *adapter,
1409 		      struct be_queue_info *rxq, u16 cq_id, u16 frag_size,
1410 		      u32 if_id, u32 rss, u8 *rss_id)
1411 {
1412 	struct be_mcc_wrb *wrb;
1413 	struct be_cmd_req_eth_rx_create *req;
1414 	struct be_dma_mem *q_mem = &rxq->dma_mem;
1415 	int status;
1416 
1417 	mutex_lock(&adapter->mcc_lock);
1418 
1419 	wrb = wrb_from_mccq(adapter);
1420 	if (!wrb) {
1421 		status = -EBUSY;
1422 		goto err;
1423 	}
1424 	req = embedded_payload(wrb);
1425 
1426 	be_wrb_cmd_hdr_prepare(&req->hdr, CMD_SUBSYSTEM_ETH,
1427 			       OPCODE_ETH_RX_CREATE, sizeof(*req), wrb, NULL);
1428 
1429 	req->cq_id = cpu_to_le16(cq_id);
1430 	req->frag_size = fls(frag_size) - 1;
1431 	req->num_pages = 2;
1432 	be_cmd_page_addrs_prepare(req->pages, ARRAY_SIZE(req->pages), q_mem);
1433 	req->interface_id = cpu_to_le32(if_id);
1434 	req->max_frame_size = cpu_to_le16(BE_MAX_JUMBO_FRAME_SIZE);
1435 	req->rss_queue = cpu_to_le32(rss);
1436 
1437 	status = be_mcc_notify_wait(adapter);
1438 	if (!status) {
1439 		struct be_cmd_resp_eth_rx_create *resp = embedded_payload(wrb);
1440 
1441 		rxq->id = le16_to_cpu(resp->id);
1442 		rxq->created = true;
1443 		*rss_id = resp->rss_id;
1444 	}
1445 
1446 err:
1447 	mutex_unlock(&adapter->mcc_lock);
1448 	return status;
1449 }
1450 
1451 /* Generic destroyer function for all types of queues
1452  * Uses Mbox
1453  */
be_cmd_q_destroy(struct be_adapter * adapter,struct be_queue_info * q,int queue_type)1454 int be_cmd_q_destroy(struct be_adapter *adapter, struct be_queue_info *q,
1455 		     int queue_type)
1456 {
1457 	struct be_mcc_wrb *wrb;
1458 	struct be_cmd_req_q_destroy *req;
1459 	u8 subsys = 0, opcode = 0;
1460 	int status;
1461 
1462 	if (mutex_lock_interruptible(&adapter->mbox_lock))
1463 		return -1;
1464 
1465 	wrb = wrb_from_mbox(adapter);
1466 	req = embedded_payload(wrb);
1467 
1468 	switch (queue_type) {
1469 	case QTYPE_EQ:
1470 		subsys = CMD_SUBSYSTEM_COMMON;
1471 		opcode = OPCODE_COMMON_EQ_DESTROY;
1472 		break;
1473 	case QTYPE_CQ:
1474 		subsys = CMD_SUBSYSTEM_COMMON;
1475 		opcode = OPCODE_COMMON_CQ_DESTROY;
1476 		break;
1477 	case QTYPE_TXQ:
1478 		subsys = CMD_SUBSYSTEM_ETH;
1479 		opcode = OPCODE_ETH_TX_DESTROY;
1480 		break;
1481 	case QTYPE_RXQ:
1482 		subsys = CMD_SUBSYSTEM_ETH;
1483 		opcode = OPCODE_ETH_RX_DESTROY;
1484 		break;
1485 	case QTYPE_MCCQ:
1486 		subsys = CMD_SUBSYSTEM_COMMON;
1487 		opcode = OPCODE_COMMON_MCC_DESTROY;
1488 		break;
1489 	default:
1490 		BUG();
1491 	}
1492 
1493 	be_wrb_cmd_hdr_prepare(&req->hdr, subsys, opcode, sizeof(*req), wrb,
1494 			       NULL);
1495 	req->id = cpu_to_le16(q->id);
1496 
1497 	status = be_mbox_notify_wait(adapter);
1498 	q->created = false;
1499 
1500 	mutex_unlock(&adapter->mbox_lock);
1501 	return status;
1502 }
1503 
1504 /* Uses MCC */
be_cmd_rxq_destroy(struct be_adapter * adapter,struct be_queue_info * q)1505 int be_cmd_rxq_destroy(struct be_adapter *adapter, struct be_queue_info *q)
1506 {
1507 	struct be_mcc_wrb *wrb;
1508 	struct be_cmd_req_q_destroy *req;
1509 	int status;
1510 
1511 	mutex_lock(&adapter->mcc_lock);
1512 
1513 	wrb = wrb_from_mccq(adapter);
1514 	if (!wrb) {
1515 		status = -EBUSY;
1516 		goto err;
1517 	}
1518 	req = embedded_payload(wrb);
1519 
1520 	be_wrb_cmd_hdr_prepare(&req->hdr, CMD_SUBSYSTEM_ETH,
1521 			       OPCODE_ETH_RX_DESTROY, sizeof(*req), wrb, NULL);
1522 	req->id = cpu_to_le16(q->id);
1523 
1524 	status = be_mcc_notify_wait(adapter);
1525 	q->created = false;
1526 
1527 err:
1528 	mutex_unlock(&adapter->mcc_lock);
1529 	return status;
1530 }
1531 
1532 /* Create an rx filtering policy configuration on an i/f
1533  * Will use MBOX only if MCCQ has not been created.
1534  */
be_cmd_if_create(struct be_adapter * adapter,u32 cap_flags,u32 en_flags,u32 * if_handle,u32 domain)1535 int be_cmd_if_create(struct be_adapter *adapter, u32 cap_flags, u32 en_flags,
1536 		     u32 *if_handle, u32 domain)
1537 {
1538 	struct be_mcc_wrb wrb = {0};
1539 	struct be_cmd_req_if_create *req;
1540 	int status;
1541 
1542 	req = embedded_payload(&wrb);
1543 	be_wrb_cmd_hdr_prepare(&req->hdr, CMD_SUBSYSTEM_COMMON,
1544 			       OPCODE_COMMON_NTWK_INTERFACE_CREATE,
1545 			       sizeof(*req), &wrb, NULL);
1546 	req->hdr.domain = domain;
1547 	req->capability_flags = cpu_to_le32(cap_flags);
1548 	req->enable_flags = cpu_to_le32(en_flags);
1549 	req->pmac_invalid = true;
1550 
1551 	status = be_cmd_notify_wait(adapter, &wrb);
1552 	if (!status) {
1553 		struct be_cmd_resp_if_create *resp = embedded_payload(&wrb);
1554 
1555 		*if_handle = le32_to_cpu(resp->interface_id);
1556 
1557 		/* Hack to retrieve VF's pmac-id on BE3 */
1558 		if (BE3_chip(adapter) && be_virtfn(adapter))
1559 			adapter->pmac_id[0] = le32_to_cpu(resp->pmac_id);
1560 	}
1561 	return status;
1562 }
1563 
1564 /* Uses MCCQ if available else MBOX */
be_cmd_if_destroy(struct be_adapter * adapter,int interface_id,u32 domain)1565 int be_cmd_if_destroy(struct be_adapter *adapter, int interface_id, u32 domain)
1566 {
1567 	struct be_mcc_wrb wrb = {0};
1568 	struct be_cmd_req_if_destroy *req;
1569 	int status;
1570 
1571 	if (interface_id == -1)
1572 		return 0;
1573 
1574 	req = embedded_payload(&wrb);
1575 
1576 	be_wrb_cmd_hdr_prepare(&req->hdr, CMD_SUBSYSTEM_COMMON,
1577 			       OPCODE_COMMON_NTWK_INTERFACE_DESTROY,
1578 			       sizeof(*req), &wrb, NULL);
1579 	req->hdr.domain = domain;
1580 	req->interface_id = cpu_to_le32(interface_id);
1581 
1582 	status = be_cmd_notify_wait(adapter, &wrb);
1583 	return status;
1584 }
1585 
1586 /* Get stats is a non embedded command: the request is not embedded inside
1587  * WRB but is a separate dma memory block
1588  * Uses asynchronous MCC
1589  */
be_cmd_get_stats(struct be_adapter * adapter,struct be_dma_mem * nonemb_cmd)1590 int be_cmd_get_stats(struct be_adapter *adapter, struct be_dma_mem *nonemb_cmd)
1591 {
1592 	struct be_mcc_wrb *wrb;
1593 	struct be_cmd_req_hdr *hdr;
1594 	int status = 0;
1595 
1596 	mutex_lock(&adapter->mcc_lock);
1597 
1598 	wrb = wrb_from_mccq(adapter);
1599 	if (!wrb) {
1600 		status = -EBUSY;
1601 		goto err;
1602 	}
1603 	hdr = nonemb_cmd->va;
1604 
1605 	be_wrb_cmd_hdr_prepare(hdr, CMD_SUBSYSTEM_ETH,
1606 			       OPCODE_ETH_GET_STATISTICS, nonemb_cmd->size, wrb,
1607 			       nonemb_cmd);
1608 
1609 	/* version 1 of the cmd is not supported only by BE2 */
1610 	if (BE2_chip(adapter))
1611 		hdr->version = 0;
1612 	if (BE3_chip(adapter) || lancer_chip(adapter))
1613 		hdr->version = 1;
1614 	else
1615 		hdr->version = 2;
1616 
1617 	status = be_mcc_notify(adapter);
1618 	if (status)
1619 		goto err;
1620 
1621 	adapter->stats_cmd_sent = true;
1622 
1623 err:
1624 	mutex_unlock(&adapter->mcc_lock);
1625 	return status;
1626 }
1627 
1628 /* Lancer Stats */
lancer_cmd_get_pport_stats(struct be_adapter * adapter,struct be_dma_mem * nonemb_cmd)1629 int lancer_cmd_get_pport_stats(struct be_adapter *adapter,
1630 			       struct be_dma_mem *nonemb_cmd)
1631 {
1632 	struct be_mcc_wrb *wrb;
1633 	struct lancer_cmd_req_pport_stats *req;
1634 	int status = 0;
1635 
1636 	if (!be_cmd_allowed(adapter, OPCODE_ETH_GET_PPORT_STATS,
1637 			    CMD_SUBSYSTEM_ETH))
1638 		return -EPERM;
1639 
1640 	mutex_lock(&adapter->mcc_lock);
1641 
1642 	wrb = wrb_from_mccq(adapter);
1643 	if (!wrb) {
1644 		status = -EBUSY;
1645 		goto err;
1646 	}
1647 	req = nonemb_cmd->va;
1648 
1649 	be_wrb_cmd_hdr_prepare(&req->hdr, CMD_SUBSYSTEM_ETH,
1650 			       OPCODE_ETH_GET_PPORT_STATS, nonemb_cmd->size,
1651 			       wrb, nonemb_cmd);
1652 
1653 	req->cmd_params.params.pport_num = cpu_to_le16(adapter->hba_port_num);
1654 	req->cmd_params.params.reset_stats = 0;
1655 
1656 	status = be_mcc_notify(adapter);
1657 	if (status)
1658 		goto err;
1659 
1660 	adapter->stats_cmd_sent = true;
1661 
1662 err:
1663 	mutex_unlock(&adapter->mcc_lock);
1664 	return status;
1665 }
1666 
be_mac_to_link_speed(int mac_speed)1667 static int be_mac_to_link_speed(int mac_speed)
1668 {
1669 	switch (mac_speed) {
1670 	case PHY_LINK_SPEED_ZERO:
1671 		return 0;
1672 	case PHY_LINK_SPEED_10MBPS:
1673 		return 10;
1674 	case PHY_LINK_SPEED_100MBPS:
1675 		return 100;
1676 	case PHY_LINK_SPEED_1GBPS:
1677 		return 1000;
1678 	case PHY_LINK_SPEED_10GBPS:
1679 		return 10000;
1680 	case PHY_LINK_SPEED_20GBPS:
1681 		return 20000;
1682 	case PHY_LINK_SPEED_25GBPS:
1683 		return 25000;
1684 	case PHY_LINK_SPEED_40GBPS:
1685 		return 40000;
1686 	}
1687 	return 0;
1688 }
1689 
1690 /* Uses synchronous mcc
1691  * Returns link_speed in Mbps
1692  */
be_cmd_link_status_query(struct be_adapter * adapter,u16 * link_speed,u8 * link_status,u32 dom)1693 int be_cmd_link_status_query(struct be_adapter *adapter, u16 *link_speed,
1694 			     u8 *link_status, u32 dom)
1695 {
1696 	struct be_mcc_wrb *wrb;
1697 	struct be_cmd_req_link_status *req;
1698 	int status;
1699 
1700 	mutex_lock(&adapter->mcc_lock);
1701 
1702 	if (link_status)
1703 		*link_status = LINK_DOWN;
1704 
1705 	wrb = wrb_from_mccq(adapter);
1706 	if (!wrb) {
1707 		status = -EBUSY;
1708 		goto err;
1709 	}
1710 	req = embedded_payload(wrb);
1711 
1712 	be_wrb_cmd_hdr_prepare(&req->hdr, CMD_SUBSYSTEM_COMMON,
1713 			       OPCODE_COMMON_NTWK_LINK_STATUS_QUERY,
1714 			       sizeof(*req), wrb, NULL);
1715 
1716 	/* version 1 of the cmd is not supported only by BE2 */
1717 	if (!BE2_chip(adapter))
1718 		req->hdr.version = 1;
1719 
1720 	req->hdr.domain = dom;
1721 
1722 	status = be_mcc_notify_wait(adapter);
1723 	if (!status) {
1724 		struct be_cmd_resp_link_status *resp = embedded_payload(wrb);
1725 
1726 		if (link_speed) {
1727 			*link_speed = resp->link_speed ?
1728 				      le16_to_cpu(resp->link_speed) * 10 :
1729 				      be_mac_to_link_speed(resp->mac_speed);
1730 
1731 			if (!resp->logical_link_status)
1732 				*link_speed = 0;
1733 		}
1734 		if (link_status)
1735 			*link_status = resp->logical_link_status;
1736 	}
1737 
1738 err:
1739 	mutex_unlock(&adapter->mcc_lock);
1740 	return status;
1741 }
1742 
1743 /* Uses synchronous mcc */
be_cmd_get_die_temperature(struct be_adapter * adapter)1744 int be_cmd_get_die_temperature(struct be_adapter *adapter)
1745 {
1746 	struct be_mcc_wrb *wrb;
1747 	struct be_cmd_req_get_cntl_addnl_attribs *req;
1748 	int status = 0;
1749 
1750 	mutex_lock(&adapter->mcc_lock);
1751 
1752 	wrb = wrb_from_mccq(adapter);
1753 	if (!wrb) {
1754 		status = -EBUSY;
1755 		goto err;
1756 	}
1757 	req = embedded_payload(wrb);
1758 
1759 	be_wrb_cmd_hdr_prepare(&req->hdr, CMD_SUBSYSTEM_COMMON,
1760 			       OPCODE_COMMON_GET_CNTL_ADDITIONAL_ATTRIBUTES,
1761 			       sizeof(*req), wrb, NULL);
1762 
1763 	status = be_mcc_notify(adapter);
1764 err:
1765 	mutex_unlock(&adapter->mcc_lock);
1766 	return status;
1767 }
1768 
1769 /* Uses synchronous mcc */
be_cmd_get_fat_dump_len(struct be_adapter * adapter,u32 * dump_size)1770 int be_cmd_get_fat_dump_len(struct be_adapter *adapter, u32 *dump_size)
1771 {
1772 	struct be_mcc_wrb wrb = {0};
1773 	struct be_cmd_req_get_fat *req;
1774 	int status;
1775 
1776 	req = embedded_payload(&wrb);
1777 
1778 	be_wrb_cmd_hdr_prepare(&req->hdr, CMD_SUBSYSTEM_COMMON,
1779 			       OPCODE_COMMON_MANAGE_FAT, sizeof(*req),
1780 			       &wrb, NULL);
1781 	req->fat_operation = cpu_to_le32(QUERY_FAT);
1782 	status = be_cmd_notify_wait(adapter, &wrb);
1783 	if (!status) {
1784 		struct be_cmd_resp_get_fat *resp = embedded_payload(&wrb);
1785 
1786 		if (dump_size && resp->log_size)
1787 			*dump_size = le32_to_cpu(resp->log_size) -
1788 					sizeof(u32);
1789 	}
1790 	return status;
1791 }
1792 
be_cmd_get_fat_dump(struct be_adapter * adapter,u32 buf_len,void * buf)1793 int be_cmd_get_fat_dump(struct be_adapter *adapter, u32 buf_len, void *buf)
1794 {
1795 	struct be_dma_mem get_fat_cmd;
1796 	struct be_mcc_wrb *wrb;
1797 	struct be_cmd_req_get_fat *req;
1798 	u32 offset = 0, total_size, buf_size,
1799 				log_offset = sizeof(u32), payload_len;
1800 	int status;
1801 
1802 	if (buf_len == 0)
1803 		return 0;
1804 
1805 	total_size = buf_len;
1806 
1807 	get_fat_cmd.size = sizeof(struct be_cmd_req_get_fat) + 60 * 1024;
1808 	get_fat_cmd.va = dma_alloc_coherent(&adapter->pdev->dev,
1809 					    get_fat_cmd.size,
1810 					    &get_fat_cmd.dma, GFP_ATOMIC);
1811 	if (!get_fat_cmd.va)
1812 		return -ENOMEM;
1813 
1814 	mutex_lock(&adapter->mcc_lock);
1815 
1816 	while (total_size) {
1817 		buf_size = min(total_size, (u32)60 * 1024);
1818 		total_size -= buf_size;
1819 
1820 		wrb = wrb_from_mccq(adapter);
1821 		if (!wrb) {
1822 			status = -EBUSY;
1823 			goto err;
1824 		}
1825 		req = get_fat_cmd.va;
1826 
1827 		payload_len = sizeof(struct be_cmd_req_get_fat) + buf_size;
1828 		be_wrb_cmd_hdr_prepare(&req->hdr, CMD_SUBSYSTEM_COMMON,
1829 				       OPCODE_COMMON_MANAGE_FAT, payload_len,
1830 				       wrb, &get_fat_cmd);
1831 
1832 		req->fat_operation = cpu_to_le32(RETRIEVE_FAT);
1833 		req->read_log_offset = cpu_to_le32(log_offset);
1834 		req->read_log_length = cpu_to_le32(buf_size);
1835 		req->data_buffer_size = cpu_to_le32(buf_size);
1836 
1837 		status = be_mcc_notify_wait(adapter);
1838 		if (!status) {
1839 			struct be_cmd_resp_get_fat *resp = get_fat_cmd.va;
1840 
1841 			memcpy(buf + offset,
1842 			       resp->data_buffer,
1843 			       le32_to_cpu(resp->read_log_length));
1844 		} else {
1845 			dev_err(&adapter->pdev->dev, "FAT Table Retrieve error\n");
1846 			goto err;
1847 		}
1848 		offset += buf_size;
1849 		log_offset += buf_size;
1850 	}
1851 err:
1852 	dma_free_coherent(&adapter->pdev->dev, get_fat_cmd.size,
1853 			  get_fat_cmd.va, get_fat_cmd.dma);
1854 	mutex_unlock(&adapter->mcc_lock);
1855 	return status;
1856 }
1857 
1858 /* Uses synchronous mcc */
be_cmd_get_fw_ver(struct be_adapter * adapter)1859 int be_cmd_get_fw_ver(struct be_adapter *adapter)
1860 {
1861 	struct be_mcc_wrb *wrb;
1862 	struct be_cmd_req_get_fw_version *req;
1863 	int status;
1864 
1865 	mutex_lock(&adapter->mcc_lock);
1866 
1867 	wrb = wrb_from_mccq(adapter);
1868 	if (!wrb) {
1869 		status = -EBUSY;
1870 		goto err;
1871 	}
1872 
1873 	req = embedded_payload(wrb);
1874 
1875 	be_wrb_cmd_hdr_prepare(&req->hdr, CMD_SUBSYSTEM_COMMON,
1876 			       OPCODE_COMMON_GET_FW_VERSION, sizeof(*req), wrb,
1877 			       NULL);
1878 	status = be_mcc_notify_wait(adapter);
1879 	if (!status) {
1880 		struct be_cmd_resp_get_fw_version *resp = embedded_payload(wrb);
1881 
1882 		strscpy(adapter->fw_ver, resp->firmware_version_string,
1883 			sizeof(adapter->fw_ver));
1884 		strscpy(adapter->fw_on_flash, resp->fw_on_flash_version_string,
1885 			sizeof(adapter->fw_on_flash));
1886 	}
1887 err:
1888 	mutex_unlock(&adapter->mcc_lock);
1889 	return status;
1890 }
1891 
1892 /* set the EQ delay interval of an EQ to specified value
1893  * Uses async mcc
1894  */
__be_cmd_modify_eqd(struct be_adapter * adapter,struct be_set_eqd * set_eqd,int num)1895 static int __be_cmd_modify_eqd(struct be_adapter *adapter,
1896 			       struct be_set_eqd *set_eqd, int num)
1897 {
1898 	struct be_mcc_wrb *wrb;
1899 	struct be_cmd_req_modify_eq_delay *req;
1900 	int status = 0, i;
1901 
1902 	mutex_lock(&adapter->mcc_lock);
1903 
1904 	wrb = wrb_from_mccq(adapter);
1905 	if (!wrb) {
1906 		status = -EBUSY;
1907 		goto err;
1908 	}
1909 	req = embedded_payload(wrb);
1910 
1911 	be_wrb_cmd_hdr_prepare(&req->hdr, CMD_SUBSYSTEM_COMMON,
1912 			       OPCODE_COMMON_MODIFY_EQ_DELAY, sizeof(*req), wrb,
1913 			       NULL);
1914 
1915 	req->num_eq = cpu_to_le32(num);
1916 	for (i = 0; i < num; i++) {
1917 		req->set_eqd[i].eq_id = cpu_to_le32(set_eqd[i].eq_id);
1918 		req->set_eqd[i].phase = 0;
1919 		req->set_eqd[i].delay_multiplier =
1920 				cpu_to_le32(set_eqd[i].delay_multiplier);
1921 	}
1922 
1923 	status = be_mcc_notify(adapter);
1924 err:
1925 	mutex_unlock(&adapter->mcc_lock);
1926 	return status;
1927 }
1928 
be_cmd_modify_eqd(struct be_adapter * adapter,struct be_set_eqd * set_eqd,int num)1929 int be_cmd_modify_eqd(struct be_adapter *adapter, struct be_set_eqd *set_eqd,
1930 		      int num)
1931 {
1932 	int num_eqs, i = 0;
1933 
1934 	while (num) {
1935 		num_eqs = min(num, 8);
1936 		__be_cmd_modify_eqd(adapter, &set_eqd[i], num_eqs);
1937 		i += num_eqs;
1938 		num -= num_eqs;
1939 	}
1940 
1941 	return 0;
1942 }
1943 
1944 /* Uses sycnhronous mcc */
be_cmd_vlan_config(struct be_adapter * adapter,u32 if_id,u16 * vtag_array,u32 num,u32 domain)1945 int be_cmd_vlan_config(struct be_adapter *adapter, u32 if_id, u16 *vtag_array,
1946 		       u32 num, u32 domain)
1947 {
1948 	struct be_mcc_wrb *wrb;
1949 	struct be_cmd_req_vlan_config *req;
1950 	int status;
1951 
1952 	mutex_lock(&adapter->mcc_lock);
1953 
1954 	wrb = wrb_from_mccq(adapter);
1955 	if (!wrb) {
1956 		status = -EBUSY;
1957 		goto err;
1958 	}
1959 	req = embedded_payload(wrb);
1960 
1961 	be_wrb_cmd_hdr_prepare(&req->hdr, CMD_SUBSYSTEM_COMMON,
1962 			       OPCODE_COMMON_NTWK_VLAN_CONFIG, sizeof(*req),
1963 			       wrb, NULL);
1964 	req->hdr.domain = domain;
1965 
1966 	req->interface_id = if_id;
1967 	req->untagged = BE_IF_FLAGS_UNTAGGED & be_if_cap_flags(adapter) ? 1 : 0;
1968 	req->num_vlan = num;
1969 	memcpy(req->normal_vlan, vtag_array,
1970 	       req->num_vlan * sizeof(vtag_array[0]));
1971 
1972 	status = be_mcc_notify_wait(adapter);
1973 err:
1974 	mutex_unlock(&adapter->mcc_lock);
1975 	return status;
1976 }
1977 
__be_cmd_rx_filter(struct be_adapter * adapter,u32 flags,u32 value)1978 static int __be_cmd_rx_filter(struct be_adapter *adapter, u32 flags, u32 value)
1979 {
1980 	struct be_mcc_wrb *wrb;
1981 	struct be_dma_mem *mem = &adapter->rx_filter;
1982 	struct be_cmd_req_rx_filter *req = mem->va;
1983 	int status;
1984 
1985 	mutex_lock(&adapter->mcc_lock);
1986 
1987 	wrb = wrb_from_mccq(adapter);
1988 	if (!wrb) {
1989 		status = -EBUSY;
1990 		goto err;
1991 	}
1992 	memset(req, 0, sizeof(*req));
1993 	be_wrb_cmd_hdr_prepare(&req->hdr, CMD_SUBSYSTEM_COMMON,
1994 			       OPCODE_COMMON_NTWK_RX_FILTER, sizeof(*req),
1995 			       wrb, mem);
1996 
1997 	req->if_id = cpu_to_le32(adapter->if_handle);
1998 	req->if_flags_mask = cpu_to_le32(flags);
1999 	req->if_flags = (value == ON) ? req->if_flags_mask : 0;
2000 
2001 	if (flags & BE_IF_FLAGS_MULTICAST) {
2002 		int i;
2003 
2004 		/* Reset mcast promisc mode if already set by setting mask
2005 		 * and not setting flags field
2006 		 */
2007 		req->if_flags_mask |=
2008 			cpu_to_le32(BE_IF_FLAGS_MCAST_PROMISCUOUS &
2009 				    be_if_cap_flags(adapter));
2010 		req->mcast_num = cpu_to_le32(adapter->mc_count);
2011 		for (i = 0; i < adapter->mc_count; i++)
2012 			ether_addr_copy(req->mcast_mac[i].byte,
2013 					adapter->mc_list[i].mac);
2014 	}
2015 
2016 	status = be_mcc_notify_wait(adapter);
2017 err:
2018 	mutex_unlock(&adapter->mcc_lock);
2019 	return status;
2020 }
2021 
be_cmd_rx_filter(struct be_adapter * adapter,u32 flags,u32 value)2022 int be_cmd_rx_filter(struct be_adapter *adapter, u32 flags, u32 value)
2023 {
2024 	struct device *dev = &adapter->pdev->dev;
2025 
2026 	if ((flags & be_if_cap_flags(adapter)) != flags) {
2027 		dev_warn(dev, "Cannot set rx filter flags 0x%x\n", flags);
2028 		dev_warn(dev, "Interface is capable of 0x%x flags only\n",
2029 			 be_if_cap_flags(adapter));
2030 	}
2031 	flags &= be_if_cap_flags(adapter);
2032 	if (!flags)
2033 		return -ENOTSUPP;
2034 
2035 	return __be_cmd_rx_filter(adapter, flags, value);
2036 }
2037 
2038 /* Uses synchrounous mcc */
be_cmd_set_flow_control(struct be_adapter * adapter,u32 tx_fc,u32 rx_fc)2039 int be_cmd_set_flow_control(struct be_adapter *adapter, u32 tx_fc, u32 rx_fc)
2040 {
2041 	struct be_mcc_wrb *wrb;
2042 	struct be_cmd_req_set_flow_control *req;
2043 	int status;
2044 
2045 	if (!be_cmd_allowed(adapter, OPCODE_COMMON_SET_FLOW_CONTROL,
2046 			    CMD_SUBSYSTEM_COMMON))
2047 		return -EPERM;
2048 
2049 	mutex_lock(&adapter->mcc_lock);
2050 
2051 	wrb = wrb_from_mccq(adapter);
2052 	if (!wrb) {
2053 		status = -EBUSY;
2054 		goto err;
2055 	}
2056 	req = embedded_payload(wrb);
2057 
2058 	be_wrb_cmd_hdr_prepare(&req->hdr, CMD_SUBSYSTEM_COMMON,
2059 			       OPCODE_COMMON_SET_FLOW_CONTROL, sizeof(*req),
2060 			       wrb, NULL);
2061 
2062 	req->hdr.version = 1;
2063 	req->tx_flow_control = cpu_to_le16((u16)tx_fc);
2064 	req->rx_flow_control = cpu_to_le16((u16)rx_fc);
2065 
2066 	status = be_mcc_notify_wait(adapter);
2067 
2068 err:
2069 	mutex_unlock(&adapter->mcc_lock);
2070 
2071 	if (base_status(status) == MCC_STATUS_FEATURE_NOT_SUPPORTED)
2072 		return  -EOPNOTSUPP;
2073 
2074 	return status;
2075 }
2076 
2077 /* Uses sycn mcc */
be_cmd_get_flow_control(struct be_adapter * adapter,u32 * tx_fc,u32 * rx_fc)2078 int be_cmd_get_flow_control(struct be_adapter *adapter, u32 *tx_fc, u32 *rx_fc)
2079 {
2080 	struct be_mcc_wrb *wrb;
2081 	struct be_cmd_req_get_flow_control *req;
2082 	int status;
2083 
2084 	if (!be_cmd_allowed(adapter, OPCODE_COMMON_GET_FLOW_CONTROL,
2085 			    CMD_SUBSYSTEM_COMMON))
2086 		return -EPERM;
2087 
2088 	mutex_lock(&adapter->mcc_lock);
2089 
2090 	wrb = wrb_from_mccq(adapter);
2091 	if (!wrb) {
2092 		status = -EBUSY;
2093 		goto err;
2094 	}
2095 	req = embedded_payload(wrb);
2096 
2097 	be_wrb_cmd_hdr_prepare(&req->hdr, CMD_SUBSYSTEM_COMMON,
2098 			       OPCODE_COMMON_GET_FLOW_CONTROL, sizeof(*req),
2099 			       wrb, NULL);
2100 
2101 	status = be_mcc_notify_wait(adapter);
2102 	if (!status) {
2103 		struct be_cmd_resp_get_flow_control *resp =
2104 						embedded_payload(wrb);
2105 
2106 		*tx_fc = le16_to_cpu(resp->tx_flow_control);
2107 		*rx_fc = le16_to_cpu(resp->rx_flow_control);
2108 	}
2109 
2110 err:
2111 	mutex_unlock(&adapter->mcc_lock);
2112 	return status;
2113 }
2114 
2115 /* Uses mbox */
be_cmd_query_fw_cfg(struct be_adapter * adapter)2116 int be_cmd_query_fw_cfg(struct be_adapter *adapter)
2117 {
2118 	struct be_mcc_wrb *wrb;
2119 	struct be_cmd_req_query_fw_cfg *req;
2120 	int status;
2121 
2122 	if (mutex_lock_interruptible(&adapter->mbox_lock))
2123 		return -1;
2124 
2125 	wrb = wrb_from_mbox(adapter);
2126 	req = embedded_payload(wrb);
2127 
2128 	be_wrb_cmd_hdr_prepare(&req->hdr, CMD_SUBSYSTEM_COMMON,
2129 			       OPCODE_COMMON_QUERY_FIRMWARE_CONFIG,
2130 			       sizeof(*req), wrb, NULL);
2131 
2132 	status = be_mbox_notify_wait(adapter);
2133 	if (!status) {
2134 		struct be_cmd_resp_query_fw_cfg *resp = embedded_payload(wrb);
2135 
2136 		adapter->port_num = le32_to_cpu(resp->phys_port);
2137 		adapter->function_mode = le32_to_cpu(resp->function_mode);
2138 		adapter->function_caps = le32_to_cpu(resp->function_caps);
2139 		adapter->asic_rev = le32_to_cpu(resp->asic_revision) & 0xFF;
2140 		dev_info(&adapter->pdev->dev,
2141 			 "FW config: function_mode=0x%x, function_caps=0x%x\n",
2142 			 adapter->function_mode, adapter->function_caps);
2143 	}
2144 
2145 	mutex_unlock(&adapter->mbox_lock);
2146 	return status;
2147 }
2148 
2149 /* Uses mbox */
be_cmd_reset_function(struct be_adapter * adapter)2150 int be_cmd_reset_function(struct be_adapter *adapter)
2151 {
2152 	struct be_mcc_wrb *wrb;
2153 	struct be_cmd_req_hdr *req;
2154 	int status;
2155 
2156 	if (lancer_chip(adapter)) {
2157 		iowrite32(SLI_PORT_CONTROL_IP_MASK,
2158 			  adapter->db + SLIPORT_CONTROL_OFFSET);
2159 		status = lancer_wait_ready(adapter);
2160 		if (status)
2161 			dev_err(&adapter->pdev->dev,
2162 				"Adapter in non recoverable error\n");
2163 		return status;
2164 	}
2165 
2166 	if (mutex_lock_interruptible(&adapter->mbox_lock))
2167 		return -1;
2168 
2169 	wrb = wrb_from_mbox(adapter);
2170 	req = embedded_payload(wrb);
2171 
2172 	be_wrb_cmd_hdr_prepare(req, CMD_SUBSYSTEM_COMMON,
2173 			       OPCODE_COMMON_FUNCTION_RESET, sizeof(*req), wrb,
2174 			       NULL);
2175 
2176 	status = be_mbox_notify_wait(adapter);
2177 
2178 	mutex_unlock(&adapter->mbox_lock);
2179 	return status;
2180 }
2181 
be_cmd_rss_config(struct be_adapter * adapter,u8 * rsstable,u32 rss_hash_opts,u16 table_size,const u8 * rss_hkey)2182 int be_cmd_rss_config(struct be_adapter *adapter, u8 *rsstable,
2183 		      u32 rss_hash_opts, u16 table_size, const u8 *rss_hkey)
2184 {
2185 	struct be_mcc_wrb *wrb;
2186 	struct be_cmd_req_rss_config *req;
2187 	int status;
2188 
2189 	if (!(be_if_cap_flags(adapter) & BE_IF_FLAGS_RSS))
2190 		return 0;
2191 
2192 	mutex_lock(&adapter->mcc_lock);
2193 
2194 	wrb = wrb_from_mccq(adapter);
2195 	if (!wrb) {
2196 		status = -EBUSY;
2197 		goto err;
2198 	}
2199 	req = embedded_payload(wrb);
2200 
2201 	be_wrb_cmd_hdr_prepare(&req->hdr, CMD_SUBSYSTEM_ETH,
2202 			       OPCODE_ETH_RSS_CONFIG, sizeof(*req), wrb, NULL);
2203 
2204 	req->if_id = cpu_to_le32(adapter->if_handle);
2205 	req->enable_rss = cpu_to_le16(rss_hash_opts);
2206 	req->cpu_table_size_log2 = cpu_to_le16(fls(table_size) - 1);
2207 
2208 	if (!BEx_chip(adapter))
2209 		req->hdr.version = 1;
2210 
2211 	memcpy(req->cpu_table, rsstable, table_size);
2212 	memcpy(req->hash, rss_hkey, RSS_HASH_KEY_LEN);
2213 	be_dws_cpu_to_le(req->hash, sizeof(req->hash));
2214 
2215 	status = be_mcc_notify_wait(adapter);
2216 err:
2217 	mutex_unlock(&adapter->mcc_lock);
2218 	return status;
2219 }
2220 
2221 /* Uses sync mcc */
be_cmd_set_beacon_state(struct be_adapter * adapter,u8 port_num,u8 bcn,u8 sts,u8 state)2222 int be_cmd_set_beacon_state(struct be_adapter *adapter, u8 port_num,
2223 			    u8 bcn, u8 sts, u8 state)
2224 {
2225 	struct be_mcc_wrb *wrb;
2226 	struct be_cmd_req_enable_disable_beacon *req;
2227 	int status;
2228 
2229 	mutex_lock(&adapter->mcc_lock);
2230 
2231 	wrb = wrb_from_mccq(adapter);
2232 	if (!wrb) {
2233 		status = -EBUSY;
2234 		goto err;
2235 	}
2236 	req = embedded_payload(wrb);
2237 
2238 	be_wrb_cmd_hdr_prepare(&req->hdr, CMD_SUBSYSTEM_COMMON,
2239 			       OPCODE_COMMON_ENABLE_DISABLE_BEACON,
2240 			       sizeof(*req), wrb, NULL);
2241 
2242 	req->port_num = port_num;
2243 	req->beacon_state = state;
2244 	req->beacon_duration = bcn;
2245 	req->status_duration = sts;
2246 
2247 	status = be_mcc_notify_wait(adapter);
2248 
2249 err:
2250 	mutex_unlock(&adapter->mcc_lock);
2251 	return status;
2252 }
2253 
2254 /* Uses sync mcc */
be_cmd_get_beacon_state(struct be_adapter * adapter,u8 port_num,u32 * state)2255 int be_cmd_get_beacon_state(struct be_adapter *adapter, u8 port_num, u32 *state)
2256 {
2257 	struct be_mcc_wrb *wrb;
2258 	struct be_cmd_req_get_beacon_state *req;
2259 	int status;
2260 
2261 	mutex_lock(&adapter->mcc_lock);
2262 
2263 	wrb = wrb_from_mccq(adapter);
2264 	if (!wrb) {
2265 		status = -EBUSY;
2266 		goto err;
2267 	}
2268 	req = embedded_payload(wrb);
2269 
2270 	be_wrb_cmd_hdr_prepare(&req->hdr, CMD_SUBSYSTEM_COMMON,
2271 			       OPCODE_COMMON_GET_BEACON_STATE, sizeof(*req),
2272 			       wrb, NULL);
2273 
2274 	req->port_num = port_num;
2275 
2276 	status = be_mcc_notify_wait(adapter);
2277 	if (!status) {
2278 		struct be_cmd_resp_get_beacon_state *resp =
2279 						embedded_payload(wrb);
2280 
2281 		*state = resp->beacon_state;
2282 	}
2283 
2284 err:
2285 	mutex_unlock(&adapter->mcc_lock);
2286 	return status;
2287 }
2288 
2289 /* Uses sync mcc */
be_cmd_read_port_transceiver_data(struct be_adapter * adapter,u8 page_num,u32 off,u32 len,u8 * data)2290 int be_cmd_read_port_transceiver_data(struct be_adapter *adapter,
2291 				      u8 page_num, u32 off, u32 len, u8 *data)
2292 {
2293 	struct be_dma_mem cmd;
2294 	struct be_mcc_wrb *wrb;
2295 	struct be_cmd_req_port_type *req;
2296 	int status;
2297 
2298 	if (page_num > TR_PAGE_A2)
2299 		return -EINVAL;
2300 
2301 	cmd.size = sizeof(struct be_cmd_resp_port_type);
2302 	cmd.va = dma_alloc_coherent(&adapter->pdev->dev, cmd.size, &cmd.dma,
2303 				    GFP_ATOMIC);
2304 	if (!cmd.va) {
2305 		dev_err(&adapter->pdev->dev, "Memory allocation failed\n");
2306 		return -ENOMEM;
2307 	}
2308 
2309 	mutex_lock(&adapter->mcc_lock);
2310 
2311 	wrb = wrb_from_mccq(adapter);
2312 	if (!wrb) {
2313 		status = -EBUSY;
2314 		goto err;
2315 	}
2316 	req = cmd.va;
2317 
2318 	be_wrb_cmd_hdr_prepare(&req->hdr, CMD_SUBSYSTEM_COMMON,
2319 			       OPCODE_COMMON_READ_TRANSRECV_DATA,
2320 			       cmd.size, wrb, &cmd);
2321 
2322 	req->port = cpu_to_le32(adapter->hba_port_num);
2323 	req->page_num = cpu_to_le32(page_num);
2324 	status = be_mcc_notify_wait(adapter);
2325 	if (!status && len > 0) {
2326 		struct be_cmd_resp_port_type *resp = cmd.va;
2327 
2328 		memcpy(data, resp->page_data + off, len);
2329 	}
2330 err:
2331 	mutex_unlock(&adapter->mcc_lock);
2332 	dma_free_coherent(&adapter->pdev->dev, cmd.size, cmd.va, cmd.dma);
2333 	return status;
2334 }
2335 
lancer_cmd_write_object(struct be_adapter * adapter,struct be_dma_mem * cmd,u32 data_size,u32 data_offset,const char * obj_name,u32 * data_written,u8 * change_status,u8 * addn_status)2336 static int lancer_cmd_write_object(struct be_adapter *adapter,
2337 				   struct be_dma_mem *cmd, u32 data_size,
2338 				   u32 data_offset, const char *obj_name,
2339 				   u32 *data_written, u8 *change_status,
2340 				   u8 *addn_status)
2341 {
2342 	struct be_mcc_wrb *wrb;
2343 	struct lancer_cmd_req_write_object *req;
2344 	struct lancer_cmd_resp_write_object *resp;
2345 	void *ctxt = NULL;
2346 	int status;
2347 
2348 	mutex_lock(&adapter->mcc_lock);
2349 	adapter->flash_status = 0;
2350 
2351 	wrb = wrb_from_mccq(adapter);
2352 	if (!wrb) {
2353 		status = -EBUSY;
2354 		goto err_unlock;
2355 	}
2356 
2357 	req = embedded_payload(wrb);
2358 
2359 	be_wrb_cmd_hdr_prepare(&req->hdr, CMD_SUBSYSTEM_COMMON,
2360 			       OPCODE_COMMON_WRITE_OBJECT,
2361 			       sizeof(struct lancer_cmd_req_write_object), wrb,
2362 			       NULL);
2363 
2364 	ctxt = &req->context;
2365 	AMAP_SET_BITS(struct amap_lancer_write_obj_context,
2366 		      write_length, ctxt, data_size);
2367 
2368 	if (data_size == 0)
2369 		AMAP_SET_BITS(struct amap_lancer_write_obj_context,
2370 			      eof, ctxt, 1);
2371 	else
2372 		AMAP_SET_BITS(struct amap_lancer_write_obj_context,
2373 			      eof, ctxt, 0);
2374 
2375 	be_dws_cpu_to_le(ctxt, sizeof(req->context));
2376 	req->write_offset = cpu_to_le32(data_offset);
2377 	strscpy(req->object_name, obj_name, sizeof(req->object_name));
2378 	req->descriptor_count = cpu_to_le32(1);
2379 	req->buf_len = cpu_to_le32(data_size);
2380 	req->addr_low = cpu_to_le32((cmd->dma +
2381 				     sizeof(struct lancer_cmd_req_write_object))
2382 				    & 0xFFFFFFFF);
2383 	req->addr_high = cpu_to_le32(upper_32_bits(cmd->dma +
2384 				sizeof(struct lancer_cmd_req_write_object)));
2385 
2386 	status = be_mcc_notify(adapter);
2387 	if (status)
2388 		goto err_unlock;
2389 
2390 	mutex_unlock(&adapter->mcc_lock);
2391 
2392 	if (!wait_for_completion_timeout(&adapter->et_cmd_compl,
2393 					 msecs_to_jiffies(60000)))
2394 		status = -ETIMEDOUT;
2395 	else
2396 		status = adapter->flash_status;
2397 
2398 	resp = embedded_payload(wrb);
2399 	if (!status) {
2400 		*data_written = le32_to_cpu(resp->actual_write_len);
2401 		*change_status = resp->change_status;
2402 	} else {
2403 		*addn_status = resp->additional_status;
2404 	}
2405 
2406 	return status;
2407 
2408 err_unlock:
2409 	mutex_unlock(&adapter->mcc_lock);
2410 	return status;
2411 }
2412 
be_cmd_query_cable_type(struct be_adapter * adapter)2413 int be_cmd_query_cable_type(struct be_adapter *adapter)
2414 {
2415 	u8 page_data[PAGE_DATA_LEN];
2416 	int status;
2417 
2418 	status = be_cmd_read_port_transceiver_data(adapter, TR_PAGE_A0,
2419 						   0, PAGE_DATA_LEN, page_data);
2420 	if (!status) {
2421 		switch (adapter->phy.interface_type) {
2422 		case PHY_TYPE_QSFP:
2423 			adapter->phy.cable_type =
2424 				page_data[QSFP_PLUS_CABLE_TYPE_OFFSET];
2425 			break;
2426 		case PHY_TYPE_SFP_PLUS_10GB:
2427 			adapter->phy.cable_type =
2428 				page_data[SFP_PLUS_CABLE_TYPE_OFFSET];
2429 			break;
2430 		default:
2431 			adapter->phy.cable_type = 0;
2432 			break;
2433 		}
2434 	}
2435 	return status;
2436 }
2437 
be_cmd_query_sfp_info(struct be_adapter * adapter)2438 int be_cmd_query_sfp_info(struct be_adapter *adapter)
2439 {
2440 	u8 page_data[PAGE_DATA_LEN];
2441 	int status;
2442 
2443 	status = be_cmd_read_port_transceiver_data(adapter, TR_PAGE_A0,
2444 						   0, PAGE_DATA_LEN, page_data);
2445 	if (!status) {
2446 		strscpy(adapter->phy.vendor_name, page_data +
2447 			SFP_VENDOR_NAME_OFFSET, SFP_VENDOR_NAME_LEN - 1);
2448 		strscpy(adapter->phy.vendor_pn,
2449 			page_data + SFP_VENDOR_PN_OFFSET,
2450 			SFP_VENDOR_NAME_LEN - 1);
2451 	}
2452 
2453 	return status;
2454 }
2455 
lancer_cmd_delete_object(struct be_adapter * adapter,const char * obj_name)2456 static int lancer_cmd_delete_object(struct be_adapter *adapter,
2457 				    const char *obj_name)
2458 {
2459 	struct lancer_cmd_req_delete_object *req;
2460 	struct be_mcc_wrb *wrb;
2461 	int status;
2462 
2463 	mutex_lock(&adapter->mcc_lock);
2464 
2465 	wrb = wrb_from_mccq(adapter);
2466 	if (!wrb) {
2467 		status = -EBUSY;
2468 		goto err;
2469 	}
2470 
2471 	req = embedded_payload(wrb);
2472 
2473 	be_wrb_cmd_hdr_prepare(&req->hdr, CMD_SUBSYSTEM_COMMON,
2474 			       OPCODE_COMMON_DELETE_OBJECT,
2475 			       sizeof(*req), wrb, NULL);
2476 
2477 	strscpy(req->object_name, obj_name, sizeof(req->object_name));
2478 
2479 	status = be_mcc_notify_wait(adapter);
2480 err:
2481 	mutex_unlock(&adapter->mcc_lock);
2482 	return status;
2483 }
2484 
lancer_cmd_read_object(struct be_adapter * adapter,struct be_dma_mem * cmd,u32 data_size,u32 data_offset,const char * obj_name,u32 * data_read,u32 * eof,u8 * addn_status)2485 int lancer_cmd_read_object(struct be_adapter *adapter, struct be_dma_mem *cmd,
2486 			   u32 data_size, u32 data_offset, const char *obj_name,
2487 			   u32 *data_read, u32 *eof, u8 *addn_status)
2488 {
2489 	struct be_mcc_wrb *wrb;
2490 	struct lancer_cmd_req_read_object *req;
2491 	struct lancer_cmd_resp_read_object *resp;
2492 	int status;
2493 
2494 	mutex_lock(&adapter->mcc_lock);
2495 
2496 	wrb = wrb_from_mccq(adapter);
2497 	if (!wrb) {
2498 		status = -EBUSY;
2499 		goto err_unlock;
2500 	}
2501 
2502 	req = embedded_payload(wrb);
2503 
2504 	be_wrb_cmd_hdr_prepare(&req->hdr, CMD_SUBSYSTEM_COMMON,
2505 			       OPCODE_COMMON_READ_OBJECT,
2506 			       sizeof(struct lancer_cmd_req_read_object), wrb,
2507 			       NULL);
2508 
2509 	req->desired_read_len = cpu_to_le32(data_size);
2510 	req->read_offset = cpu_to_le32(data_offset);
2511 	strcpy(req->object_name, obj_name);
2512 	req->descriptor_count = cpu_to_le32(1);
2513 	req->buf_len = cpu_to_le32(data_size);
2514 	req->addr_low = cpu_to_le32((cmd->dma & 0xFFFFFFFF));
2515 	req->addr_high = cpu_to_le32(upper_32_bits(cmd->dma));
2516 
2517 	status = be_mcc_notify_wait(adapter);
2518 
2519 	resp = embedded_payload(wrb);
2520 	if (!status) {
2521 		*data_read = le32_to_cpu(resp->actual_read_len);
2522 		*eof = le32_to_cpu(resp->eof);
2523 	} else {
2524 		*addn_status = resp->additional_status;
2525 	}
2526 
2527 err_unlock:
2528 	mutex_unlock(&adapter->mcc_lock);
2529 	return status;
2530 }
2531 
be_cmd_write_flashrom(struct be_adapter * adapter,struct be_dma_mem * cmd,u32 flash_type,u32 flash_opcode,u32 img_offset,u32 buf_size)2532 static int be_cmd_write_flashrom(struct be_adapter *adapter,
2533 				 struct be_dma_mem *cmd, u32 flash_type,
2534 				 u32 flash_opcode, u32 img_offset, u32 buf_size)
2535 {
2536 	struct be_mcc_wrb *wrb;
2537 	struct be_cmd_write_flashrom *req;
2538 	int status;
2539 
2540 	mutex_lock(&adapter->mcc_lock);
2541 	adapter->flash_status = 0;
2542 
2543 	wrb = wrb_from_mccq(adapter);
2544 	if (!wrb) {
2545 		status = -EBUSY;
2546 		goto err_unlock;
2547 	}
2548 	req = cmd->va;
2549 
2550 	be_wrb_cmd_hdr_prepare(&req->hdr, CMD_SUBSYSTEM_COMMON,
2551 			       OPCODE_COMMON_WRITE_FLASHROM, cmd->size, wrb,
2552 			       cmd);
2553 
2554 	req->params.op_type = cpu_to_le32(flash_type);
2555 	if (flash_type == OPTYPE_OFFSET_SPECIFIED)
2556 		req->params.offset = cpu_to_le32(img_offset);
2557 
2558 	req->params.op_code = cpu_to_le32(flash_opcode);
2559 	req->params.data_buf_size = cpu_to_le32(buf_size);
2560 
2561 	status = be_mcc_notify(adapter);
2562 	if (status)
2563 		goto err_unlock;
2564 
2565 	mutex_unlock(&adapter->mcc_lock);
2566 
2567 	if (!wait_for_completion_timeout(&adapter->et_cmd_compl,
2568 					 msecs_to_jiffies(40000)))
2569 		status = -ETIMEDOUT;
2570 	else
2571 		status = adapter->flash_status;
2572 
2573 	return status;
2574 
2575 err_unlock:
2576 	mutex_unlock(&adapter->mcc_lock);
2577 	return status;
2578 }
2579 
be_cmd_get_flash_crc(struct be_adapter * adapter,u8 * flashed_crc,u16 img_optype,u32 img_offset,u32 crc_offset)2580 static int be_cmd_get_flash_crc(struct be_adapter *adapter, u8 *flashed_crc,
2581 				u16 img_optype, u32 img_offset, u32 crc_offset)
2582 {
2583 	struct be_cmd_read_flash_crc *req;
2584 	struct be_mcc_wrb *wrb;
2585 	int status;
2586 
2587 	mutex_lock(&adapter->mcc_lock);
2588 
2589 	wrb = wrb_from_mccq(adapter);
2590 	if (!wrb) {
2591 		status = -EBUSY;
2592 		goto err;
2593 	}
2594 	req = embedded_payload(wrb);
2595 
2596 	be_wrb_cmd_hdr_prepare(&req->hdr, CMD_SUBSYSTEM_COMMON,
2597 			       OPCODE_COMMON_READ_FLASHROM, sizeof(*req),
2598 			       wrb, NULL);
2599 
2600 	req->params.op_type = cpu_to_le32(img_optype);
2601 	if (img_optype == OPTYPE_OFFSET_SPECIFIED)
2602 		req->params.offset = cpu_to_le32(img_offset + crc_offset);
2603 	else
2604 		req->params.offset = cpu_to_le32(crc_offset);
2605 
2606 	req->params.op_code = cpu_to_le32(FLASHROM_OPER_REPORT);
2607 	req->params.data_buf_size = cpu_to_le32(0x4);
2608 
2609 	status = be_mcc_notify_wait(adapter);
2610 	if (!status)
2611 		memcpy(flashed_crc, req->crc, 4);
2612 
2613 err:
2614 	mutex_unlock(&adapter->mcc_lock);
2615 	return status;
2616 }
2617 
2618 static char flash_cookie[2][16] = {"*** SE FLAS", "H DIRECTORY *** "};
2619 
phy_flashing_required(struct be_adapter * adapter)2620 static bool phy_flashing_required(struct be_adapter *adapter)
2621 {
2622 	return (adapter->phy.phy_type == PHY_TYPE_TN_8022 &&
2623 		adapter->phy.interface_type == PHY_TYPE_BASET_10GB);
2624 }
2625 
is_comp_in_ufi(struct be_adapter * adapter,struct flash_section_info * fsec,int type)2626 static bool is_comp_in_ufi(struct be_adapter *adapter,
2627 			   struct flash_section_info *fsec, int type)
2628 {
2629 	int i = 0, img_type = 0;
2630 	struct flash_section_info_g2 *fsec_g2 = NULL;
2631 
2632 	if (BE2_chip(adapter))
2633 		fsec_g2 = (struct flash_section_info_g2 *)fsec;
2634 
2635 	for (i = 0; i < MAX_FLASH_COMP; i++) {
2636 		if (fsec_g2)
2637 			img_type = le32_to_cpu(fsec_g2->fsec_entry[i].type);
2638 		else
2639 			img_type = le32_to_cpu(fsec->fsec_entry[i].type);
2640 
2641 		if (img_type == type)
2642 			return true;
2643 	}
2644 	return false;
2645 }
2646 
get_fsec_info(struct be_adapter * adapter,int header_size,const struct firmware * fw)2647 static struct flash_section_info *get_fsec_info(struct be_adapter *adapter,
2648 						int header_size,
2649 						const struct firmware *fw)
2650 {
2651 	struct flash_section_info *fsec = NULL;
2652 	const u8 *p = fw->data;
2653 
2654 	p += header_size;
2655 	while (p < (fw->data + fw->size)) {
2656 		fsec = (struct flash_section_info *)p;
2657 		if (!memcmp(flash_cookie, fsec->cookie, sizeof(flash_cookie)))
2658 			return fsec;
2659 		p += 32;
2660 	}
2661 	return NULL;
2662 }
2663 
be_check_flash_crc(struct be_adapter * adapter,const u8 * p,u32 img_offset,u32 img_size,int hdr_size,u16 img_optype,bool * crc_match)2664 static int be_check_flash_crc(struct be_adapter *adapter, const u8 *p,
2665 			      u32 img_offset, u32 img_size, int hdr_size,
2666 			      u16 img_optype, bool *crc_match)
2667 {
2668 	u32 crc_offset;
2669 	int status;
2670 	u8 crc[4];
2671 
2672 	status = be_cmd_get_flash_crc(adapter, crc, img_optype, img_offset,
2673 				      img_size - 4);
2674 	if (status)
2675 		return status;
2676 
2677 	crc_offset = hdr_size + img_offset + img_size - 4;
2678 
2679 	/* Skip flashing, if crc of flashed region matches */
2680 	if (!memcmp(crc, p + crc_offset, 4))
2681 		*crc_match = true;
2682 	else
2683 		*crc_match = false;
2684 
2685 	return status;
2686 }
2687 
be_flash(struct be_adapter * adapter,const u8 * img,struct be_dma_mem * flash_cmd,int optype,int img_size,u32 img_offset)2688 static int be_flash(struct be_adapter *adapter, const u8 *img,
2689 		    struct be_dma_mem *flash_cmd, int optype, int img_size,
2690 		    u32 img_offset)
2691 {
2692 	u32 flash_op, num_bytes, total_bytes = img_size, bytes_sent = 0;
2693 	struct be_cmd_write_flashrom *req = flash_cmd->va;
2694 	int status;
2695 
2696 	while (total_bytes) {
2697 		num_bytes = min_t(u32, 32 * 1024, total_bytes);
2698 
2699 		total_bytes -= num_bytes;
2700 
2701 		if (!total_bytes) {
2702 			if (optype == OPTYPE_PHY_FW)
2703 				flash_op = FLASHROM_OPER_PHY_FLASH;
2704 			else
2705 				flash_op = FLASHROM_OPER_FLASH;
2706 		} else {
2707 			if (optype == OPTYPE_PHY_FW)
2708 				flash_op = FLASHROM_OPER_PHY_SAVE;
2709 			else
2710 				flash_op = FLASHROM_OPER_SAVE;
2711 		}
2712 
2713 		memcpy(req->data_buf, img, num_bytes);
2714 		img += num_bytes;
2715 		status = be_cmd_write_flashrom(adapter, flash_cmd, optype,
2716 					       flash_op, img_offset +
2717 					       bytes_sent, num_bytes);
2718 		if (base_status(status) == MCC_STATUS_ILLEGAL_REQUEST &&
2719 		    optype == OPTYPE_PHY_FW)
2720 			break;
2721 		else if (status)
2722 			return status;
2723 
2724 		bytes_sent += num_bytes;
2725 	}
2726 	return 0;
2727 }
2728 
2729 #define NCSI_UPDATE_LOG	"NCSI section update is not supported in FW ver %s\n"
be_fw_ncsi_supported(char * ver)2730 static bool be_fw_ncsi_supported(char *ver)
2731 {
2732 	int v1[4] = {3, 102, 148, 0}; /* Min ver that supports NCSI FW */
2733 	int v2[4];
2734 	int i;
2735 
2736 	if (sscanf(ver, "%d.%d.%d.%d", &v2[0], &v2[1], &v2[2], &v2[3]) != 4)
2737 		return false;
2738 
2739 	for (i = 0; i < 4; i++) {
2740 		if (v1[i] < v2[i])
2741 			return true;
2742 		else if (v1[i] > v2[i])
2743 			return false;
2744 	}
2745 
2746 	return true;
2747 }
2748 
2749 /* For BE2, BE3 and BE3-R */
be_flash_BEx(struct be_adapter * adapter,const struct firmware * fw,struct be_dma_mem * flash_cmd,int num_of_images)2750 static int be_flash_BEx(struct be_adapter *adapter,
2751 			const struct firmware *fw,
2752 			struct be_dma_mem *flash_cmd, int num_of_images)
2753 {
2754 	int img_hdrs_size = (num_of_images * sizeof(struct image_hdr));
2755 	struct device *dev = &adapter->pdev->dev;
2756 	struct flash_section_info *fsec = NULL;
2757 	int status, i, filehdr_size, num_comp;
2758 	const struct flash_comp *pflashcomp;
2759 	bool crc_match;
2760 	const u8 *p;
2761 
2762 	static const struct flash_comp gen3_flash_types[] = {
2763 		{ BE3_ISCSI_PRIMARY_IMAGE_START, OPTYPE_ISCSI_ACTIVE,
2764 			BE3_COMP_MAX_SIZE, IMAGE_FIRMWARE_ISCSI},
2765 		{ BE3_REDBOOT_START, OPTYPE_REDBOOT,
2766 			BE3_REDBOOT_COMP_MAX_SIZE, IMAGE_BOOT_CODE},
2767 		{ BE3_ISCSI_BIOS_START, OPTYPE_BIOS,
2768 			BE3_BIOS_COMP_MAX_SIZE, IMAGE_OPTION_ROM_ISCSI},
2769 		{ BE3_PXE_BIOS_START, OPTYPE_PXE_BIOS,
2770 			BE3_BIOS_COMP_MAX_SIZE, IMAGE_OPTION_ROM_PXE},
2771 		{ BE3_FCOE_BIOS_START, OPTYPE_FCOE_BIOS,
2772 			BE3_BIOS_COMP_MAX_SIZE, IMAGE_OPTION_ROM_FCOE},
2773 		{ BE3_ISCSI_BACKUP_IMAGE_START, OPTYPE_ISCSI_BACKUP,
2774 			BE3_COMP_MAX_SIZE, IMAGE_FIRMWARE_BACKUP_ISCSI},
2775 		{ BE3_FCOE_PRIMARY_IMAGE_START, OPTYPE_FCOE_FW_ACTIVE,
2776 			BE3_COMP_MAX_SIZE, IMAGE_FIRMWARE_FCOE},
2777 		{ BE3_FCOE_BACKUP_IMAGE_START, OPTYPE_FCOE_FW_BACKUP,
2778 			BE3_COMP_MAX_SIZE, IMAGE_FIRMWARE_BACKUP_FCOE},
2779 		{ BE3_NCSI_START, OPTYPE_NCSI_FW,
2780 			BE3_NCSI_COMP_MAX_SIZE, IMAGE_NCSI},
2781 		{ BE3_PHY_FW_START, OPTYPE_PHY_FW,
2782 			BE3_PHY_FW_COMP_MAX_SIZE, IMAGE_FIRMWARE_PHY}
2783 	};
2784 
2785 	static const struct flash_comp gen2_flash_types[] = {
2786 		{ BE2_ISCSI_PRIMARY_IMAGE_START, OPTYPE_ISCSI_ACTIVE,
2787 			BE2_COMP_MAX_SIZE, IMAGE_FIRMWARE_ISCSI},
2788 		{ BE2_REDBOOT_START, OPTYPE_REDBOOT,
2789 			BE2_REDBOOT_COMP_MAX_SIZE, IMAGE_BOOT_CODE},
2790 		{ BE2_ISCSI_BIOS_START, OPTYPE_BIOS,
2791 			BE2_BIOS_COMP_MAX_SIZE, IMAGE_OPTION_ROM_ISCSI},
2792 		{ BE2_PXE_BIOS_START, OPTYPE_PXE_BIOS,
2793 			BE2_BIOS_COMP_MAX_SIZE, IMAGE_OPTION_ROM_PXE},
2794 		{ BE2_FCOE_BIOS_START, OPTYPE_FCOE_BIOS,
2795 			BE2_BIOS_COMP_MAX_SIZE, IMAGE_OPTION_ROM_FCOE},
2796 		{ BE2_ISCSI_BACKUP_IMAGE_START, OPTYPE_ISCSI_BACKUP,
2797 			BE2_COMP_MAX_SIZE, IMAGE_FIRMWARE_BACKUP_ISCSI},
2798 		{ BE2_FCOE_PRIMARY_IMAGE_START, OPTYPE_FCOE_FW_ACTIVE,
2799 			BE2_COMP_MAX_SIZE, IMAGE_FIRMWARE_FCOE},
2800 		{ BE2_FCOE_BACKUP_IMAGE_START, OPTYPE_FCOE_FW_BACKUP,
2801 			 BE2_COMP_MAX_SIZE, IMAGE_FIRMWARE_BACKUP_FCOE}
2802 	};
2803 
2804 	if (BE3_chip(adapter)) {
2805 		pflashcomp = gen3_flash_types;
2806 		filehdr_size = sizeof(struct flash_file_hdr_g3);
2807 		num_comp = ARRAY_SIZE(gen3_flash_types);
2808 	} else {
2809 		pflashcomp = gen2_flash_types;
2810 		filehdr_size = sizeof(struct flash_file_hdr_g2);
2811 		num_comp = ARRAY_SIZE(gen2_flash_types);
2812 		img_hdrs_size = 0;
2813 	}
2814 
2815 	/* Get flash section info*/
2816 	fsec = get_fsec_info(adapter, filehdr_size + img_hdrs_size, fw);
2817 	if (!fsec) {
2818 		dev_err(dev, "Invalid Cookie. FW image may be corrupted\n");
2819 		return -1;
2820 	}
2821 	for (i = 0; i < num_comp; i++) {
2822 		if (!is_comp_in_ufi(adapter, fsec, pflashcomp[i].img_type))
2823 			continue;
2824 
2825 		if ((pflashcomp[i].optype == OPTYPE_NCSI_FW) &&
2826 		    !be_fw_ncsi_supported(adapter->fw_ver)) {
2827 			dev_info(dev, NCSI_UPDATE_LOG, adapter->fw_ver);
2828 			continue;
2829 		}
2830 
2831 		if (pflashcomp[i].optype == OPTYPE_PHY_FW  &&
2832 		    !phy_flashing_required(adapter))
2833 			continue;
2834 
2835 		if (pflashcomp[i].optype == OPTYPE_REDBOOT) {
2836 			status = be_check_flash_crc(adapter, fw->data,
2837 						    pflashcomp[i].offset,
2838 						    pflashcomp[i].size,
2839 						    filehdr_size +
2840 						    img_hdrs_size,
2841 						    OPTYPE_REDBOOT, &crc_match);
2842 			if (status) {
2843 				dev_err(dev,
2844 					"Could not get CRC for 0x%x region\n",
2845 					pflashcomp[i].optype);
2846 				continue;
2847 			}
2848 
2849 			if (crc_match)
2850 				continue;
2851 		}
2852 
2853 		p = fw->data + filehdr_size + pflashcomp[i].offset +
2854 			img_hdrs_size;
2855 		if (p + pflashcomp[i].size > fw->data + fw->size)
2856 			return -1;
2857 
2858 		status = be_flash(adapter, p, flash_cmd, pflashcomp[i].optype,
2859 				  pflashcomp[i].size, 0);
2860 		if (status) {
2861 			dev_err(dev, "Flashing section type 0x%x failed\n",
2862 				pflashcomp[i].img_type);
2863 			return status;
2864 		}
2865 	}
2866 	return 0;
2867 }
2868 
be_get_img_optype(struct flash_section_entry fsec_entry)2869 static u16 be_get_img_optype(struct flash_section_entry fsec_entry)
2870 {
2871 	u32 img_type = le32_to_cpu(fsec_entry.type);
2872 	u16 img_optype = le16_to_cpu(fsec_entry.optype);
2873 
2874 	if (img_optype != 0xFFFF)
2875 		return img_optype;
2876 
2877 	switch (img_type) {
2878 	case IMAGE_FIRMWARE_ISCSI:
2879 		img_optype = OPTYPE_ISCSI_ACTIVE;
2880 		break;
2881 	case IMAGE_BOOT_CODE:
2882 		img_optype = OPTYPE_REDBOOT;
2883 		break;
2884 	case IMAGE_OPTION_ROM_ISCSI:
2885 		img_optype = OPTYPE_BIOS;
2886 		break;
2887 	case IMAGE_OPTION_ROM_PXE:
2888 		img_optype = OPTYPE_PXE_BIOS;
2889 		break;
2890 	case IMAGE_OPTION_ROM_FCOE:
2891 		img_optype = OPTYPE_FCOE_BIOS;
2892 		break;
2893 	case IMAGE_FIRMWARE_BACKUP_ISCSI:
2894 		img_optype = OPTYPE_ISCSI_BACKUP;
2895 		break;
2896 	case IMAGE_NCSI:
2897 		img_optype = OPTYPE_NCSI_FW;
2898 		break;
2899 	case IMAGE_FLASHISM_JUMPVECTOR:
2900 		img_optype = OPTYPE_FLASHISM_JUMPVECTOR;
2901 		break;
2902 	case IMAGE_FIRMWARE_PHY:
2903 		img_optype = OPTYPE_SH_PHY_FW;
2904 		break;
2905 	case IMAGE_REDBOOT_DIR:
2906 		img_optype = OPTYPE_REDBOOT_DIR;
2907 		break;
2908 	case IMAGE_REDBOOT_CONFIG:
2909 		img_optype = OPTYPE_REDBOOT_CONFIG;
2910 		break;
2911 	case IMAGE_UFI_DIR:
2912 		img_optype = OPTYPE_UFI_DIR;
2913 		break;
2914 	default:
2915 		break;
2916 	}
2917 
2918 	return img_optype;
2919 }
2920 
be_flash_skyhawk(struct be_adapter * adapter,const struct firmware * fw,struct be_dma_mem * flash_cmd,int num_of_images)2921 static int be_flash_skyhawk(struct be_adapter *adapter,
2922 			    const struct firmware *fw,
2923 			    struct be_dma_mem *flash_cmd, int num_of_images)
2924 {
2925 	int img_hdrs_size = num_of_images * sizeof(struct image_hdr);
2926 	bool crc_match, old_fw_img, flash_offset_support = true;
2927 	struct device *dev = &adapter->pdev->dev;
2928 	struct flash_section_info *fsec = NULL;
2929 	u32 img_offset, img_size, img_type;
2930 	u16 img_optype, flash_optype;
2931 	int status, i, filehdr_size;
2932 	const u8 *p;
2933 
2934 	filehdr_size = sizeof(struct flash_file_hdr_g3);
2935 	fsec = get_fsec_info(adapter, filehdr_size + img_hdrs_size, fw);
2936 	if (!fsec) {
2937 		dev_err(dev, "Invalid Cookie. FW image may be corrupted\n");
2938 		return -EINVAL;
2939 	}
2940 
2941 retry_flash:
2942 	for (i = 0; i < le32_to_cpu(fsec->fsec_hdr.num_images); i++) {
2943 		img_offset = le32_to_cpu(fsec->fsec_entry[i].offset);
2944 		img_size   = le32_to_cpu(fsec->fsec_entry[i].pad_size);
2945 		img_type   = le32_to_cpu(fsec->fsec_entry[i].type);
2946 		img_optype = be_get_img_optype(fsec->fsec_entry[i]);
2947 		old_fw_img = fsec->fsec_entry[i].optype == 0xFFFF;
2948 
2949 		if (img_optype == 0xFFFF)
2950 			continue;
2951 
2952 		if (flash_offset_support)
2953 			flash_optype = OPTYPE_OFFSET_SPECIFIED;
2954 		else
2955 			flash_optype = img_optype;
2956 
2957 		/* Don't bother verifying CRC if an old FW image is being
2958 		 * flashed
2959 		 */
2960 		if (old_fw_img)
2961 			goto flash;
2962 
2963 		status = be_check_flash_crc(adapter, fw->data, img_offset,
2964 					    img_size, filehdr_size +
2965 					    img_hdrs_size, flash_optype,
2966 					    &crc_match);
2967 		if (base_status(status) == MCC_STATUS_ILLEGAL_REQUEST ||
2968 		    base_status(status) == MCC_STATUS_ILLEGAL_FIELD) {
2969 			/* The current FW image on the card does not support
2970 			 * OFFSET based flashing. Retry using older mechanism
2971 			 * of OPTYPE based flashing
2972 			 */
2973 			if (flash_optype == OPTYPE_OFFSET_SPECIFIED) {
2974 				flash_offset_support = false;
2975 				goto retry_flash;
2976 			}
2977 
2978 			/* The current FW image on the card does not recognize
2979 			 * the new FLASH op_type. The FW download is partially
2980 			 * complete. Reboot the server now to enable FW image
2981 			 * to recognize the new FLASH op_type. To complete the
2982 			 * remaining process, download the same FW again after
2983 			 * the reboot.
2984 			 */
2985 			dev_err(dev, "Flash incomplete. Reset the server\n");
2986 			dev_err(dev, "Download FW image again after reset\n");
2987 			return -EAGAIN;
2988 		} else if (status) {
2989 			dev_err(dev, "Could not get CRC for 0x%x region\n",
2990 				img_optype);
2991 			return -EFAULT;
2992 		}
2993 
2994 		if (crc_match)
2995 			continue;
2996 
2997 flash:
2998 		p = fw->data + filehdr_size + img_offset + img_hdrs_size;
2999 		if (p + img_size > fw->data + fw->size)
3000 			return -1;
3001 
3002 		status = be_flash(adapter, p, flash_cmd, flash_optype, img_size,
3003 				  img_offset);
3004 
3005 		/* The current FW image on the card does not support OFFSET
3006 		 * based flashing. Retry using older mechanism of OPTYPE based
3007 		 * flashing
3008 		 */
3009 		if (base_status(status) == MCC_STATUS_ILLEGAL_FIELD &&
3010 		    flash_optype == OPTYPE_OFFSET_SPECIFIED) {
3011 			flash_offset_support = false;
3012 			goto retry_flash;
3013 		}
3014 
3015 		/* For old FW images ignore ILLEGAL_FIELD error or errors on
3016 		 * UFI_DIR region
3017 		 */
3018 		if (old_fw_img &&
3019 		    (base_status(status) == MCC_STATUS_ILLEGAL_FIELD ||
3020 		     (img_optype == OPTYPE_UFI_DIR &&
3021 		      base_status(status) == MCC_STATUS_FAILED))) {
3022 			continue;
3023 		} else if (status) {
3024 			dev_err(dev, "Flashing section type 0x%x failed\n",
3025 				img_type);
3026 
3027 			switch (addl_status(status)) {
3028 			case MCC_ADDL_STATUS_MISSING_SIGNATURE:
3029 				dev_err(dev,
3030 					"Digital signature missing in FW\n");
3031 				return -EINVAL;
3032 			case MCC_ADDL_STATUS_INVALID_SIGNATURE:
3033 				dev_err(dev,
3034 					"Invalid digital signature in FW\n");
3035 				return -EINVAL;
3036 			default:
3037 				return -EFAULT;
3038 			}
3039 		}
3040 	}
3041 	return 0;
3042 }
3043 
lancer_fw_download(struct be_adapter * adapter,const struct firmware * fw)3044 int lancer_fw_download(struct be_adapter *adapter,
3045 		       const struct firmware *fw)
3046 {
3047 	struct device *dev = &adapter->pdev->dev;
3048 	struct be_dma_mem flash_cmd;
3049 	const u8 *data_ptr = NULL;
3050 	u8 *dest_image_ptr = NULL;
3051 	size_t image_size = 0;
3052 	u32 chunk_size = 0;
3053 	u32 data_written = 0;
3054 	u32 offset = 0;
3055 	int status = 0;
3056 	u8 add_status = 0;
3057 	u8 change_status;
3058 
3059 	if (!IS_ALIGNED(fw->size, sizeof(u32))) {
3060 		dev_err(dev, "FW image size should be multiple of 4\n");
3061 		return -EINVAL;
3062 	}
3063 
3064 	flash_cmd.size = sizeof(struct lancer_cmd_req_write_object)
3065 				+ LANCER_FW_DOWNLOAD_CHUNK;
3066 	flash_cmd.va = dma_alloc_coherent(dev, flash_cmd.size, &flash_cmd.dma,
3067 					  GFP_KERNEL);
3068 	if (!flash_cmd.va)
3069 		return -ENOMEM;
3070 
3071 	dest_image_ptr = flash_cmd.va +
3072 				sizeof(struct lancer_cmd_req_write_object);
3073 	image_size = fw->size;
3074 	data_ptr = fw->data;
3075 
3076 	while (image_size) {
3077 		chunk_size = min_t(u32, image_size, LANCER_FW_DOWNLOAD_CHUNK);
3078 
3079 		/* Copy the image chunk content. */
3080 		memcpy(dest_image_ptr, data_ptr, chunk_size);
3081 
3082 		status = lancer_cmd_write_object(adapter, &flash_cmd,
3083 						 chunk_size, offset,
3084 						 LANCER_FW_DOWNLOAD_LOCATION,
3085 						 &data_written, &change_status,
3086 						 &add_status);
3087 		if (status)
3088 			break;
3089 
3090 		offset += data_written;
3091 		data_ptr += data_written;
3092 		image_size -= data_written;
3093 	}
3094 
3095 	if (!status) {
3096 		/* Commit the FW written */
3097 		status = lancer_cmd_write_object(adapter, &flash_cmd,
3098 						 0, offset,
3099 						 LANCER_FW_DOWNLOAD_LOCATION,
3100 						 &data_written, &change_status,
3101 						 &add_status);
3102 	}
3103 
3104 	dma_free_coherent(dev, flash_cmd.size, flash_cmd.va, flash_cmd.dma);
3105 	if (status) {
3106 		dev_err(dev, "Firmware load error\n");
3107 		return be_cmd_status(status);
3108 	}
3109 
3110 	dev_info(dev, "Firmware flashed successfully\n");
3111 
3112 	if (change_status == LANCER_FW_RESET_NEEDED) {
3113 		dev_info(dev, "Resetting adapter to activate new FW\n");
3114 		status = lancer_physdev_ctrl(adapter,
3115 					     PHYSDEV_CONTROL_FW_RESET_MASK);
3116 		if (status) {
3117 			dev_err(dev, "Adapter busy, could not reset FW\n");
3118 			dev_err(dev, "Reboot server to activate new FW\n");
3119 		}
3120 	} else if (change_status != LANCER_NO_RESET_NEEDED) {
3121 		dev_info(dev, "Reboot server to activate new FW\n");
3122 	}
3123 
3124 	return 0;
3125 }
3126 
3127 /* Check if the flash image file is compatible with the adapter that
3128  * is being flashed.
3129  */
be_check_ufi_compatibility(struct be_adapter * adapter,struct flash_file_hdr_g3 * fhdr)3130 static bool be_check_ufi_compatibility(struct be_adapter *adapter,
3131 				       struct flash_file_hdr_g3 *fhdr)
3132 {
3133 	if (!fhdr) {
3134 		dev_err(&adapter->pdev->dev, "Invalid FW UFI file");
3135 		return false;
3136 	}
3137 
3138 	/* First letter of the build version is used to identify
3139 	 * which chip this image file is meant for.
3140 	 */
3141 	switch (fhdr->build[0]) {
3142 	case BLD_STR_UFI_TYPE_SH:
3143 		if (!skyhawk_chip(adapter))
3144 			return false;
3145 		break;
3146 	case BLD_STR_UFI_TYPE_BE3:
3147 		if (!BE3_chip(adapter))
3148 			return false;
3149 		break;
3150 	case BLD_STR_UFI_TYPE_BE2:
3151 		if (!BE2_chip(adapter))
3152 			return false;
3153 		break;
3154 	default:
3155 		return false;
3156 	}
3157 
3158 	/* In BE3 FW images the "asic_type_rev" field doesn't track the
3159 	 * asic_rev of the chips it is compatible with.
3160 	 * When asic_type_rev is 0 the image is compatible only with
3161 	 * pre-BE3-R chips (asic_rev < 0x10)
3162 	 */
3163 	if (BEx_chip(adapter) && fhdr->asic_type_rev == 0)
3164 		return adapter->asic_rev < 0x10;
3165 	else
3166 		return (fhdr->asic_type_rev >= adapter->asic_rev);
3167 }
3168 
be_fw_download(struct be_adapter * adapter,const struct firmware * fw)3169 int be_fw_download(struct be_adapter *adapter, const struct firmware *fw)
3170 {
3171 	struct device *dev = &adapter->pdev->dev;
3172 	struct flash_file_hdr_g3 *fhdr3;
3173 	struct image_hdr *img_hdr_ptr;
3174 	int status = 0, i, num_imgs;
3175 	struct be_dma_mem flash_cmd;
3176 
3177 	fhdr3 = (struct flash_file_hdr_g3 *)fw->data;
3178 	if (!be_check_ufi_compatibility(adapter, fhdr3)) {
3179 		dev_err(dev, "Flash image is not compatible with adapter\n");
3180 		return -EINVAL;
3181 	}
3182 
3183 	flash_cmd.size = sizeof(struct be_cmd_write_flashrom);
3184 	flash_cmd.va = dma_alloc_coherent(dev, flash_cmd.size, &flash_cmd.dma,
3185 					  GFP_KERNEL);
3186 	if (!flash_cmd.va)
3187 		return -ENOMEM;
3188 
3189 	num_imgs = le32_to_cpu(fhdr3->num_imgs);
3190 	for (i = 0; i < num_imgs; i++) {
3191 		img_hdr_ptr = (struct image_hdr *)(fw->data +
3192 				(sizeof(struct flash_file_hdr_g3) +
3193 				 i * sizeof(struct image_hdr)));
3194 		if (!BE2_chip(adapter) &&
3195 		    le32_to_cpu(img_hdr_ptr->imageid) != 1)
3196 			continue;
3197 
3198 		if (skyhawk_chip(adapter))
3199 			status = be_flash_skyhawk(adapter, fw, &flash_cmd,
3200 						  num_imgs);
3201 		else
3202 			status = be_flash_BEx(adapter, fw, &flash_cmd,
3203 					      num_imgs);
3204 	}
3205 
3206 	dma_free_coherent(dev, flash_cmd.size, flash_cmd.va, flash_cmd.dma);
3207 	if (!status)
3208 		dev_info(dev, "Firmware flashed successfully\n");
3209 
3210 	return status;
3211 }
3212 
be_cmd_enable_magic_wol(struct be_adapter * adapter,u8 * mac,struct be_dma_mem * nonemb_cmd)3213 int be_cmd_enable_magic_wol(struct be_adapter *adapter, u8 *mac,
3214 			    struct be_dma_mem *nonemb_cmd)
3215 {
3216 	struct be_mcc_wrb *wrb;
3217 	struct be_cmd_req_acpi_wol_magic_config *req;
3218 	int status;
3219 
3220 	mutex_lock(&adapter->mcc_lock);
3221 
3222 	wrb = wrb_from_mccq(adapter);
3223 	if (!wrb) {
3224 		status = -EBUSY;
3225 		goto err;
3226 	}
3227 	req = nonemb_cmd->va;
3228 
3229 	be_wrb_cmd_hdr_prepare(&req->hdr, CMD_SUBSYSTEM_ETH,
3230 			       OPCODE_ETH_ACPI_WOL_MAGIC_CONFIG, sizeof(*req),
3231 			       wrb, nonemb_cmd);
3232 	memcpy(req->magic_mac, mac, ETH_ALEN);
3233 
3234 	status = be_mcc_notify_wait(adapter);
3235 
3236 err:
3237 	mutex_unlock(&adapter->mcc_lock);
3238 	return status;
3239 }
3240 
be_cmd_set_loopback(struct be_adapter * adapter,u8 port_num,u8 loopback_type,u8 enable)3241 int be_cmd_set_loopback(struct be_adapter *adapter, u8 port_num,
3242 			u8 loopback_type, u8 enable)
3243 {
3244 	struct be_mcc_wrb *wrb;
3245 	struct be_cmd_req_set_lmode *req;
3246 	int status;
3247 
3248 	if (!be_cmd_allowed(adapter, OPCODE_LOWLEVEL_SET_LOOPBACK_MODE,
3249 			    CMD_SUBSYSTEM_LOWLEVEL))
3250 		return -EPERM;
3251 
3252 	mutex_lock(&adapter->mcc_lock);
3253 
3254 	wrb = wrb_from_mccq(adapter);
3255 	if (!wrb) {
3256 		status = -EBUSY;
3257 		goto err_unlock;
3258 	}
3259 
3260 	req = embedded_payload(wrb);
3261 
3262 	be_wrb_cmd_hdr_prepare(&req->hdr, CMD_SUBSYSTEM_LOWLEVEL,
3263 			       OPCODE_LOWLEVEL_SET_LOOPBACK_MODE, sizeof(*req),
3264 			       wrb, NULL);
3265 
3266 	req->src_port = port_num;
3267 	req->dest_port = port_num;
3268 	req->loopback_type = loopback_type;
3269 	req->loopback_state = enable;
3270 
3271 	status = be_mcc_notify(adapter);
3272 	if (status)
3273 		goto err_unlock;
3274 
3275 	mutex_unlock(&adapter->mcc_lock);
3276 
3277 	if (!wait_for_completion_timeout(&adapter->et_cmd_compl,
3278 					 msecs_to_jiffies(SET_LB_MODE_TIMEOUT)))
3279 		status = -ETIMEDOUT;
3280 
3281 	return status;
3282 
3283 err_unlock:
3284 	mutex_unlock(&adapter->mcc_lock);
3285 	return status;
3286 }
3287 
be_cmd_loopback_test(struct be_adapter * adapter,u32 port_num,u32 loopback_type,u32 pkt_size,u32 num_pkts,u64 pattern)3288 int be_cmd_loopback_test(struct be_adapter *adapter, u32 port_num,
3289 			 u32 loopback_type, u32 pkt_size, u32 num_pkts,
3290 			 u64 pattern)
3291 {
3292 	struct be_mcc_wrb *wrb;
3293 	struct be_cmd_req_loopback_test *req;
3294 	struct be_cmd_resp_loopback_test *resp;
3295 	int status;
3296 
3297 	if (!be_cmd_allowed(adapter, OPCODE_LOWLEVEL_LOOPBACK_TEST,
3298 			    CMD_SUBSYSTEM_LOWLEVEL))
3299 		return -EPERM;
3300 
3301 	mutex_lock(&adapter->mcc_lock);
3302 
3303 	wrb = wrb_from_mccq(adapter);
3304 	if (!wrb) {
3305 		status = -EBUSY;
3306 		goto err;
3307 	}
3308 
3309 	req = embedded_payload(wrb);
3310 
3311 	be_wrb_cmd_hdr_prepare(&req->hdr, CMD_SUBSYSTEM_LOWLEVEL,
3312 			       OPCODE_LOWLEVEL_LOOPBACK_TEST, sizeof(*req), wrb,
3313 			       NULL);
3314 
3315 	req->hdr.timeout = cpu_to_le32(15);
3316 	req->pattern = cpu_to_le64(pattern);
3317 	req->src_port = cpu_to_le32(port_num);
3318 	req->dest_port = cpu_to_le32(port_num);
3319 	req->pkt_size = cpu_to_le32(pkt_size);
3320 	req->num_pkts = cpu_to_le32(num_pkts);
3321 	req->loopback_type = cpu_to_le32(loopback_type);
3322 
3323 	status = be_mcc_notify(adapter);
3324 	if (status)
3325 		goto err;
3326 
3327 	mutex_unlock(&adapter->mcc_lock);
3328 
3329 	wait_for_completion(&adapter->et_cmd_compl);
3330 	resp = embedded_payload(wrb);
3331 	status = le32_to_cpu(resp->status);
3332 
3333 	return status;
3334 err:
3335 	mutex_unlock(&adapter->mcc_lock);
3336 	return status;
3337 }
3338 
be_cmd_ddr_dma_test(struct be_adapter * adapter,u64 pattern,u32 byte_cnt,struct be_dma_mem * cmd)3339 int be_cmd_ddr_dma_test(struct be_adapter *adapter, u64 pattern,
3340 			u32 byte_cnt, struct be_dma_mem *cmd)
3341 {
3342 	struct be_mcc_wrb *wrb;
3343 	struct be_cmd_req_ddrdma_test *req;
3344 	int status;
3345 	int i, j = 0;
3346 
3347 	if (!be_cmd_allowed(adapter, OPCODE_LOWLEVEL_HOST_DDR_DMA,
3348 			    CMD_SUBSYSTEM_LOWLEVEL))
3349 		return -EPERM;
3350 
3351 	mutex_lock(&adapter->mcc_lock);
3352 
3353 	wrb = wrb_from_mccq(adapter);
3354 	if (!wrb) {
3355 		status = -EBUSY;
3356 		goto err;
3357 	}
3358 	req = cmd->va;
3359 	be_wrb_cmd_hdr_prepare(&req->hdr, CMD_SUBSYSTEM_LOWLEVEL,
3360 			       OPCODE_LOWLEVEL_HOST_DDR_DMA, cmd->size, wrb,
3361 			       cmd);
3362 
3363 	req->pattern = cpu_to_le64(pattern);
3364 	req->byte_count = cpu_to_le32(byte_cnt);
3365 	for (i = 0; i < byte_cnt; i++) {
3366 		req->snd_buff[i] = (u8)(pattern >> (j * 8));
3367 		j++;
3368 		if (j > 7)
3369 			j = 0;
3370 	}
3371 
3372 	status = be_mcc_notify_wait(adapter);
3373 
3374 	if (!status) {
3375 		struct be_cmd_resp_ddrdma_test *resp;
3376 
3377 		resp = cmd->va;
3378 		if ((memcmp(resp->rcv_buff, req->snd_buff, byte_cnt) != 0) ||
3379 		    resp->snd_err) {
3380 			status = -1;
3381 		}
3382 	}
3383 
3384 err:
3385 	mutex_unlock(&adapter->mcc_lock);
3386 	return status;
3387 }
3388 
be_cmd_get_seeprom_data(struct be_adapter * adapter,struct be_dma_mem * nonemb_cmd)3389 int be_cmd_get_seeprom_data(struct be_adapter *adapter,
3390 			    struct be_dma_mem *nonemb_cmd)
3391 {
3392 	struct be_mcc_wrb *wrb;
3393 	struct be_cmd_req_seeprom_read *req;
3394 	int status;
3395 
3396 	mutex_lock(&adapter->mcc_lock);
3397 
3398 	wrb = wrb_from_mccq(adapter);
3399 	if (!wrb) {
3400 		status = -EBUSY;
3401 		goto err;
3402 	}
3403 	req = nonemb_cmd->va;
3404 
3405 	be_wrb_cmd_hdr_prepare(&req->hdr, CMD_SUBSYSTEM_COMMON,
3406 			       OPCODE_COMMON_SEEPROM_READ, sizeof(*req), wrb,
3407 			       nonemb_cmd);
3408 
3409 	status = be_mcc_notify_wait(adapter);
3410 
3411 err:
3412 	mutex_unlock(&adapter->mcc_lock);
3413 	return status;
3414 }
3415 
be_cmd_get_phy_info(struct be_adapter * adapter)3416 int be_cmd_get_phy_info(struct be_adapter *adapter)
3417 {
3418 	struct be_mcc_wrb *wrb;
3419 	struct be_cmd_req_get_phy_info *req;
3420 	struct be_dma_mem cmd;
3421 	int status;
3422 
3423 	if (!be_cmd_allowed(adapter, OPCODE_COMMON_GET_PHY_DETAILS,
3424 			    CMD_SUBSYSTEM_COMMON))
3425 		return -EPERM;
3426 
3427 	mutex_lock(&adapter->mcc_lock);
3428 
3429 	wrb = wrb_from_mccq(adapter);
3430 	if (!wrb) {
3431 		status = -EBUSY;
3432 		goto err;
3433 	}
3434 	cmd.size = sizeof(struct be_cmd_req_get_phy_info);
3435 	cmd.va = dma_alloc_coherent(&adapter->pdev->dev, cmd.size, &cmd.dma,
3436 				    GFP_ATOMIC);
3437 	if (!cmd.va) {
3438 		dev_err(&adapter->pdev->dev, "Memory alloc failure\n");
3439 		status = -ENOMEM;
3440 		goto err;
3441 	}
3442 
3443 	req = cmd.va;
3444 
3445 	be_wrb_cmd_hdr_prepare(&req->hdr, CMD_SUBSYSTEM_COMMON,
3446 			       OPCODE_COMMON_GET_PHY_DETAILS, sizeof(*req),
3447 			       wrb, &cmd);
3448 
3449 	status = be_mcc_notify_wait(adapter);
3450 	if (!status) {
3451 		struct be_phy_info *resp_phy_info =
3452 				cmd.va + sizeof(struct be_cmd_req_hdr);
3453 
3454 		adapter->phy.phy_type = le16_to_cpu(resp_phy_info->phy_type);
3455 		adapter->phy.interface_type =
3456 			le16_to_cpu(resp_phy_info->interface_type);
3457 		adapter->phy.auto_speeds_supported =
3458 			le16_to_cpu(resp_phy_info->auto_speeds_supported);
3459 		adapter->phy.fixed_speeds_supported =
3460 			le16_to_cpu(resp_phy_info->fixed_speeds_supported);
3461 		adapter->phy.misc_params =
3462 			le32_to_cpu(resp_phy_info->misc_params);
3463 
3464 		if (BE2_chip(adapter)) {
3465 			adapter->phy.fixed_speeds_supported =
3466 				BE_SUPPORTED_SPEED_10GBPS |
3467 				BE_SUPPORTED_SPEED_1GBPS;
3468 		}
3469 	}
3470 	dma_free_coherent(&adapter->pdev->dev, cmd.size, cmd.va, cmd.dma);
3471 err:
3472 	mutex_unlock(&adapter->mcc_lock);
3473 	return status;
3474 }
3475 
be_cmd_set_qos(struct be_adapter * adapter,u32 bps,u32 domain)3476 static int be_cmd_set_qos(struct be_adapter *adapter, u32 bps, u32 domain)
3477 {
3478 	struct be_mcc_wrb *wrb;
3479 	struct be_cmd_req_set_qos *req;
3480 	int status;
3481 
3482 	mutex_lock(&adapter->mcc_lock);
3483 
3484 	wrb = wrb_from_mccq(adapter);
3485 	if (!wrb) {
3486 		status = -EBUSY;
3487 		goto err;
3488 	}
3489 
3490 	req = embedded_payload(wrb);
3491 
3492 	be_wrb_cmd_hdr_prepare(&req->hdr, CMD_SUBSYSTEM_COMMON,
3493 			       OPCODE_COMMON_SET_QOS, sizeof(*req), wrb, NULL);
3494 
3495 	req->hdr.domain = domain;
3496 	req->valid_bits = cpu_to_le32(BE_QOS_BITS_NIC);
3497 	req->max_bps_nic = cpu_to_le32(bps);
3498 
3499 	status = be_mcc_notify_wait(adapter);
3500 
3501 err:
3502 	mutex_unlock(&adapter->mcc_lock);
3503 	return status;
3504 }
3505 
be_cmd_get_cntl_attributes(struct be_adapter * adapter)3506 int be_cmd_get_cntl_attributes(struct be_adapter *adapter)
3507 {
3508 	struct be_mcc_wrb *wrb;
3509 	struct be_cmd_req_cntl_attribs *req;
3510 	struct be_cmd_resp_cntl_attribs *resp;
3511 	int status, i;
3512 	int payload_len = max(sizeof(*req), sizeof(*resp));
3513 	struct mgmt_controller_attrib *attribs;
3514 	struct be_dma_mem attribs_cmd;
3515 	u32 *serial_num;
3516 
3517 	if (mutex_lock_interruptible(&adapter->mbox_lock))
3518 		return -1;
3519 
3520 	memset(&attribs_cmd, 0, sizeof(struct be_dma_mem));
3521 	attribs_cmd.size = sizeof(struct be_cmd_resp_cntl_attribs);
3522 	attribs_cmd.va = dma_alloc_coherent(&adapter->pdev->dev,
3523 					    attribs_cmd.size,
3524 					    &attribs_cmd.dma, GFP_ATOMIC);
3525 	if (!attribs_cmd.va) {
3526 		dev_err(&adapter->pdev->dev, "Memory allocation failure\n");
3527 		status = -ENOMEM;
3528 		goto err;
3529 	}
3530 
3531 	wrb = wrb_from_mbox(adapter);
3532 	if (!wrb) {
3533 		status = -EBUSY;
3534 		goto err;
3535 	}
3536 	req = attribs_cmd.va;
3537 
3538 	be_wrb_cmd_hdr_prepare(&req->hdr, CMD_SUBSYSTEM_COMMON,
3539 			       OPCODE_COMMON_GET_CNTL_ATTRIBUTES, payload_len,
3540 			       wrb, &attribs_cmd);
3541 
3542 	status = be_mbox_notify_wait(adapter);
3543 	if (!status) {
3544 		attribs = attribs_cmd.va + sizeof(struct be_cmd_resp_hdr);
3545 		adapter->hba_port_num = attribs->hba_attribs.phy_port;
3546 		serial_num = attribs->hba_attribs.controller_serial_number;
3547 		for (i = 0; i < CNTL_SERIAL_NUM_WORDS; i++)
3548 			adapter->serial_num[i] = le32_to_cpu(serial_num[i]) &
3549 				(BIT_MASK(16) - 1);
3550 		/* For BEx, since GET_FUNC_CONFIG command is not
3551 		 * supported, we read funcnum here as a workaround.
3552 		 */
3553 		if (BEx_chip(adapter))
3554 			adapter->pf_num = attribs->hba_attribs.pci_funcnum;
3555 	}
3556 
3557 err:
3558 	mutex_unlock(&adapter->mbox_lock);
3559 	if (attribs_cmd.va)
3560 		dma_free_coherent(&adapter->pdev->dev, attribs_cmd.size,
3561 				  attribs_cmd.va, attribs_cmd.dma);
3562 	return status;
3563 }
3564 
3565 /* Uses mbox */
be_cmd_req_native_mode(struct be_adapter * adapter)3566 int be_cmd_req_native_mode(struct be_adapter *adapter)
3567 {
3568 	struct be_mcc_wrb *wrb;
3569 	struct be_cmd_req_set_func_cap *req;
3570 	int status;
3571 
3572 	if (mutex_lock_interruptible(&adapter->mbox_lock))
3573 		return -1;
3574 
3575 	wrb = wrb_from_mbox(adapter);
3576 	if (!wrb) {
3577 		status = -EBUSY;
3578 		goto err;
3579 	}
3580 
3581 	req = embedded_payload(wrb);
3582 
3583 	be_wrb_cmd_hdr_prepare(&req->hdr, CMD_SUBSYSTEM_COMMON,
3584 			       OPCODE_COMMON_SET_DRIVER_FUNCTION_CAP,
3585 			       sizeof(*req), wrb, NULL);
3586 
3587 	req->valid_cap_flags = cpu_to_le32(CAPABILITY_SW_TIMESTAMPS |
3588 				CAPABILITY_BE3_NATIVE_ERX_API);
3589 	req->cap_flags = cpu_to_le32(CAPABILITY_BE3_NATIVE_ERX_API);
3590 
3591 	status = be_mbox_notify_wait(adapter);
3592 	if (!status) {
3593 		struct be_cmd_resp_set_func_cap *resp = embedded_payload(wrb);
3594 
3595 		adapter->be3_native = le32_to_cpu(resp->cap_flags) &
3596 					CAPABILITY_BE3_NATIVE_ERX_API;
3597 		if (!adapter->be3_native)
3598 			dev_warn(&adapter->pdev->dev,
3599 				 "adapter not in advanced mode\n");
3600 	}
3601 err:
3602 	mutex_unlock(&adapter->mbox_lock);
3603 	return status;
3604 }
3605 
3606 /* Get privilege(s) for a function */
be_cmd_get_fn_privileges(struct be_adapter * adapter,u32 * privilege,u32 domain)3607 int be_cmd_get_fn_privileges(struct be_adapter *adapter, u32 *privilege,
3608 			     u32 domain)
3609 {
3610 	struct be_mcc_wrb *wrb;
3611 	struct be_cmd_req_get_fn_privileges *req;
3612 	int status;
3613 
3614 	mutex_lock(&adapter->mcc_lock);
3615 
3616 	wrb = wrb_from_mccq(adapter);
3617 	if (!wrb) {
3618 		status = -EBUSY;
3619 		goto err;
3620 	}
3621 
3622 	req = embedded_payload(wrb);
3623 
3624 	be_wrb_cmd_hdr_prepare(&req->hdr, CMD_SUBSYSTEM_COMMON,
3625 			       OPCODE_COMMON_GET_FN_PRIVILEGES, sizeof(*req),
3626 			       wrb, NULL);
3627 
3628 	req->hdr.domain = domain;
3629 
3630 	status = be_mcc_notify_wait(adapter);
3631 	if (!status) {
3632 		struct be_cmd_resp_get_fn_privileges *resp =
3633 						embedded_payload(wrb);
3634 
3635 		*privilege = le32_to_cpu(resp->privilege_mask);
3636 
3637 		/* In UMC mode FW does not return right privileges.
3638 		 * Override with correct privilege equivalent to PF.
3639 		 */
3640 		if (BEx_chip(adapter) && be_is_mc(adapter) &&
3641 		    be_physfn(adapter))
3642 			*privilege = MAX_PRIVILEGES;
3643 	}
3644 
3645 err:
3646 	mutex_unlock(&adapter->mcc_lock);
3647 	return status;
3648 }
3649 
3650 /* Set privilege(s) for a function */
be_cmd_set_fn_privileges(struct be_adapter * adapter,u32 privileges,u32 domain)3651 int be_cmd_set_fn_privileges(struct be_adapter *adapter, u32 privileges,
3652 			     u32 domain)
3653 {
3654 	struct be_mcc_wrb *wrb;
3655 	struct be_cmd_req_set_fn_privileges *req;
3656 	int status;
3657 
3658 	mutex_lock(&adapter->mcc_lock);
3659 
3660 	wrb = wrb_from_mccq(adapter);
3661 	if (!wrb) {
3662 		status = -EBUSY;
3663 		goto err;
3664 	}
3665 
3666 	req = embedded_payload(wrb);
3667 	be_wrb_cmd_hdr_prepare(&req->hdr, CMD_SUBSYSTEM_COMMON,
3668 			       OPCODE_COMMON_SET_FN_PRIVILEGES, sizeof(*req),
3669 			       wrb, NULL);
3670 	req->hdr.domain = domain;
3671 	if (lancer_chip(adapter))
3672 		req->privileges_lancer = cpu_to_le32(privileges);
3673 	else
3674 		req->privileges = cpu_to_le32(privileges);
3675 
3676 	status = be_mcc_notify_wait(adapter);
3677 err:
3678 	mutex_unlock(&adapter->mcc_lock);
3679 	return status;
3680 }
3681 
3682 /* pmac_id_valid: true => pmac_id is supplied and MAC address is requested.
3683  * pmac_id_valid: false => pmac_id or MAC address is requested.
3684  *		  If pmac_id is returned, pmac_id_valid is returned as true
3685  */
be_cmd_get_mac_from_list(struct be_adapter * adapter,u8 * mac,bool * pmac_id_valid,u32 * pmac_id,u32 if_handle,u8 domain)3686 int be_cmd_get_mac_from_list(struct be_adapter *adapter, u8 *mac,
3687 			     bool *pmac_id_valid, u32 *pmac_id, u32 if_handle,
3688 			     u8 domain)
3689 {
3690 	struct be_mcc_wrb *wrb;
3691 	struct be_cmd_req_get_mac_list *req;
3692 	int status;
3693 	int mac_count;
3694 	struct be_dma_mem get_mac_list_cmd;
3695 	int i;
3696 
3697 	memset(&get_mac_list_cmd, 0, sizeof(struct be_dma_mem));
3698 	get_mac_list_cmd.size = sizeof(struct be_cmd_resp_get_mac_list);
3699 	get_mac_list_cmd.va = dma_alloc_coherent(&adapter->pdev->dev,
3700 						 get_mac_list_cmd.size,
3701 						 &get_mac_list_cmd.dma,
3702 						 GFP_ATOMIC);
3703 
3704 	if (!get_mac_list_cmd.va) {
3705 		dev_err(&adapter->pdev->dev,
3706 			"Memory allocation failure during GET_MAC_LIST\n");
3707 		return -ENOMEM;
3708 	}
3709 
3710 	mutex_lock(&adapter->mcc_lock);
3711 
3712 	wrb = wrb_from_mccq(adapter);
3713 	if (!wrb) {
3714 		status = -EBUSY;
3715 		goto out;
3716 	}
3717 
3718 	req = get_mac_list_cmd.va;
3719 
3720 	be_wrb_cmd_hdr_prepare(&req->hdr, CMD_SUBSYSTEM_COMMON,
3721 			       OPCODE_COMMON_GET_MAC_LIST,
3722 			       get_mac_list_cmd.size, wrb, &get_mac_list_cmd);
3723 	req->hdr.domain = domain;
3724 	req->mac_type = MAC_ADDRESS_TYPE_NETWORK;
3725 	if (*pmac_id_valid) {
3726 		req->mac_id = cpu_to_le32(*pmac_id);
3727 		req->iface_id = cpu_to_le16(if_handle);
3728 		req->perm_override = 0;
3729 	} else {
3730 		req->perm_override = 1;
3731 	}
3732 
3733 	status = be_mcc_notify_wait(adapter);
3734 	if (!status) {
3735 		struct be_cmd_resp_get_mac_list *resp =
3736 						get_mac_list_cmd.va;
3737 
3738 		if (*pmac_id_valid) {
3739 			memcpy(mac, resp->macid_macaddr.mac_addr_id.macaddr,
3740 			       ETH_ALEN);
3741 			goto out;
3742 		}
3743 
3744 		mac_count = resp->true_mac_count + resp->pseudo_mac_count;
3745 		/* Mac list returned could contain one or more active mac_ids
3746 		 * or one or more true or pseudo permanent mac addresses.
3747 		 * If an active mac_id is present, return first active mac_id
3748 		 * found.
3749 		 */
3750 		for (i = 0; i < mac_count; i++) {
3751 			struct get_list_macaddr *mac_entry;
3752 			u16 mac_addr_size;
3753 			u32 mac_id;
3754 
3755 			mac_entry = &resp->macaddr_list[i];
3756 			mac_addr_size = le16_to_cpu(mac_entry->mac_addr_size);
3757 			/* mac_id is a 32 bit value and mac_addr size
3758 			 * is 6 bytes
3759 			 */
3760 			if (mac_addr_size == sizeof(u32)) {
3761 				*pmac_id_valid = true;
3762 				mac_id = mac_entry->mac_addr_id.s_mac_id.mac_id;
3763 				*pmac_id = le32_to_cpu(mac_id);
3764 				goto out;
3765 			}
3766 		}
3767 		/* If no active mac_id found, return first mac addr */
3768 		*pmac_id_valid = false;
3769 		memcpy(mac, resp->macaddr_list[0].mac_addr_id.macaddr,
3770 		       ETH_ALEN);
3771 	}
3772 
3773 out:
3774 	mutex_unlock(&adapter->mcc_lock);
3775 	dma_free_coherent(&adapter->pdev->dev, get_mac_list_cmd.size,
3776 			  get_mac_list_cmd.va, get_mac_list_cmd.dma);
3777 	return status;
3778 }
3779 
be_cmd_get_active_mac(struct be_adapter * adapter,u32 curr_pmac_id,u8 * mac,u32 if_handle,bool active,u32 domain)3780 int be_cmd_get_active_mac(struct be_adapter *adapter, u32 curr_pmac_id,
3781 			  u8 *mac, u32 if_handle, bool active, u32 domain)
3782 {
3783 	if (!active)
3784 		be_cmd_get_mac_from_list(adapter, mac, &active, &curr_pmac_id,
3785 					 if_handle, domain);
3786 	if (BEx_chip(adapter))
3787 		return be_cmd_mac_addr_query(adapter, mac, false,
3788 					     if_handle, curr_pmac_id);
3789 	else
3790 		/* Fetch the MAC address using pmac_id */
3791 		return be_cmd_get_mac_from_list(adapter, mac, &active,
3792 						&curr_pmac_id,
3793 						if_handle, domain);
3794 }
3795 
be_cmd_get_perm_mac(struct be_adapter * adapter,u8 * mac)3796 int be_cmd_get_perm_mac(struct be_adapter *adapter, u8 *mac)
3797 {
3798 	int status;
3799 	bool pmac_valid = false;
3800 
3801 	eth_zero_addr(mac);
3802 
3803 	if (BEx_chip(adapter)) {
3804 		if (be_physfn(adapter))
3805 			status = be_cmd_mac_addr_query(adapter, mac, true, 0,
3806 						       0);
3807 		else
3808 			status = be_cmd_mac_addr_query(adapter, mac, false,
3809 						       adapter->if_handle, 0);
3810 	} else {
3811 		status = be_cmd_get_mac_from_list(adapter, mac, &pmac_valid,
3812 						  NULL, adapter->if_handle, 0);
3813 	}
3814 
3815 	return status;
3816 }
3817 
3818 /* Uses synchronous MCCQ */
be_cmd_set_mac_list(struct be_adapter * adapter,u8 * mac_array,u8 mac_count,u32 domain)3819 int be_cmd_set_mac_list(struct be_adapter *adapter, u8 *mac_array,
3820 			u8 mac_count, u32 domain)
3821 {
3822 	struct be_mcc_wrb *wrb;
3823 	struct be_cmd_req_set_mac_list *req;
3824 	int status;
3825 	struct be_dma_mem cmd;
3826 
3827 	memset(&cmd, 0, sizeof(struct be_dma_mem));
3828 	cmd.size = sizeof(struct be_cmd_req_set_mac_list);
3829 	cmd.va = dma_alloc_coherent(&adapter->pdev->dev, cmd.size, &cmd.dma,
3830 				    GFP_KERNEL);
3831 	if (!cmd.va)
3832 		return -ENOMEM;
3833 
3834 	mutex_lock(&adapter->mcc_lock);
3835 
3836 	wrb = wrb_from_mccq(adapter);
3837 	if (!wrb) {
3838 		status = -EBUSY;
3839 		goto err;
3840 	}
3841 
3842 	req = cmd.va;
3843 	be_wrb_cmd_hdr_prepare(&req->hdr, CMD_SUBSYSTEM_COMMON,
3844 			       OPCODE_COMMON_SET_MAC_LIST, sizeof(*req),
3845 			       wrb, &cmd);
3846 
3847 	req->hdr.domain = domain;
3848 	req->mac_count = mac_count;
3849 	if (mac_count)
3850 		memcpy(req->mac, mac_array, ETH_ALEN * mac_count);
3851 
3852 	status = be_mcc_notify_wait(adapter);
3853 
3854 err:
3855 	dma_free_coherent(&adapter->pdev->dev, cmd.size, cmd.va, cmd.dma);
3856 	mutex_unlock(&adapter->mcc_lock);
3857 	return status;
3858 }
3859 
3860 /* Wrapper to delete any active MACs and provision the new mac.
3861  * Changes to MAC_LIST are allowed iff none of the MAC addresses in the
3862  * current list are active.
3863  */
be_cmd_set_mac(struct be_adapter * adapter,u8 * mac,int if_id,u32 dom)3864 int be_cmd_set_mac(struct be_adapter *adapter, u8 *mac, int if_id, u32 dom)
3865 {
3866 	bool active_mac = false;
3867 	u8 old_mac[ETH_ALEN];
3868 	u32 pmac_id;
3869 	int status;
3870 
3871 	status = be_cmd_get_mac_from_list(adapter, old_mac, &active_mac,
3872 					  &pmac_id, if_id, dom);
3873 
3874 	if (!status && active_mac)
3875 		be_cmd_pmac_del(adapter, if_id, pmac_id, dom);
3876 
3877 	return be_cmd_set_mac_list(adapter, mac, mac ? 1 : 0, dom);
3878 }
3879 
be_cmd_set_hsw_config(struct be_adapter * adapter,u16 pvid,u32 domain,u16 intf_id,u16 hsw_mode,u8 spoofchk)3880 int be_cmd_set_hsw_config(struct be_adapter *adapter, u16 pvid,
3881 			  u32 domain, u16 intf_id, u16 hsw_mode, u8 spoofchk)
3882 {
3883 	struct be_mcc_wrb *wrb;
3884 	struct be_cmd_req_set_hsw_config *req;
3885 	void *ctxt;
3886 	int status;
3887 
3888 	if (!be_cmd_allowed(adapter, OPCODE_COMMON_SET_HSW_CONFIG,
3889 			    CMD_SUBSYSTEM_COMMON))
3890 		return -EPERM;
3891 
3892 	mutex_lock(&adapter->mcc_lock);
3893 
3894 	wrb = wrb_from_mccq(adapter);
3895 	if (!wrb) {
3896 		status = -EBUSY;
3897 		goto err;
3898 	}
3899 
3900 	req = embedded_payload(wrb);
3901 	ctxt = &req->context;
3902 
3903 	be_wrb_cmd_hdr_prepare(&req->hdr, CMD_SUBSYSTEM_COMMON,
3904 			       OPCODE_COMMON_SET_HSW_CONFIG, sizeof(*req), wrb,
3905 			       NULL);
3906 
3907 	req->hdr.domain = domain;
3908 	AMAP_SET_BITS(struct amap_set_hsw_context, interface_id, ctxt, intf_id);
3909 	if (pvid) {
3910 		AMAP_SET_BITS(struct amap_set_hsw_context, pvid_valid, ctxt, 1);
3911 		AMAP_SET_BITS(struct amap_set_hsw_context, pvid, ctxt, pvid);
3912 	}
3913 	if (hsw_mode) {
3914 		AMAP_SET_BITS(struct amap_set_hsw_context, interface_id,
3915 			      ctxt, adapter->hba_port_num);
3916 		AMAP_SET_BITS(struct amap_set_hsw_context, pport, ctxt, 1);
3917 		AMAP_SET_BITS(struct amap_set_hsw_context, port_fwd_type,
3918 			      ctxt, hsw_mode);
3919 	}
3920 
3921 	/* Enable/disable both mac and vlan spoof checking */
3922 	if (!BEx_chip(adapter) && spoofchk) {
3923 		AMAP_SET_BITS(struct amap_set_hsw_context, mac_spoofchk,
3924 			      ctxt, spoofchk);
3925 		AMAP_SET_BITS(struct amap_set_hsw_context, vlan_spoofchk,
3926 			      ctxt, spoofchk);
3927 	}
3928 
3929 	be_dws_cpu_to_le(req->context, sizeof(req->context));
3930 	status = be_mcc_notify_wait(adapter);
3931 
3932 err:
3933 	mutex_unlock(&adapter->mcc_lock);
3934 	return status;
3935 }
3936 
3937 /* Get Hyper switch config */
be_cmd_get_hsw_config(struct be_adapter * adapter,u16 * pvid,u32 domain,u16 intf_id,u8 * mode,bool * spoofchk)3938 int be_cmd_get_hsw_config(struct be_adapter *adapter, u16 *pvid,
3939 			  u32 domain, u16 intf_id, u8 *mode, bool *spoofchk)
3940 {
3941 	struct be_mcc_wrb *wrb;
3942 	struct be_cmd_req_get_hsw_config *req;
3943 	void *ctxt;
3944 	int status;
3945 	u16 vid;
3946 
3947 	mutex_lock(&adapter->mcc_lock);
3948 
3949 	wrb = wrb_from_mccq(adapter);
3950 	if (!wrb) {
3951 		status = -EBUSY;
3952 		goto err;
3953 	}
3954 
3955 	req = embedded_payload(wrb);
3956 	ctxt = &req->context;
3957 
3958 	be_wrb_cmd_hdr_prepare(&req->hdr, CMD_SUBSYSTEM_COMMON,
3959 			       OPCODE_COMMON_GET_HSW_CONFIG, sizeof(*req), wrb,
3960 			       NULL);
3961 
3962 	req->hdr.domain = domain;
3963 	AMAP_SET_BITS(struct amap_get_hsw_req_context, interface_id,
3964 		      ctxt, intf_id);
3965 	AMAP_SET_BITS(struct amap_get_hsw_req_context, pvid_valid, ctxt, 1);
3966 
3967 	if (!BEx_chip(adapter) && mode) {
3968 		AMAP_SET_BITS(struct amap_get_hsw_req_context, interface_id,
3969 			      ctxt, adapter->hba_port_num);
3970 		AMAP_SET_BITS(struct amap_get_hsw_req_context, pport, ctxt, 1);
3971 	}
3972 	be_dws_cpu_to_le(req->context, sizeof(req->context));
3973 
3974 	status = be_mcc_notify_wait(adapter);
3975 	if (!status) {
3976 		struct be_cmd_resp_get_hsw_config *resp =
3977 						embedded_payload(wrb);
3978 
3979 		be_dws_le_to_cpu(&resp->context, sizeof(resp->context));
3980 		vid = AMAP_GET_BITS(struct amap_get_hsw_resp_context,
3981 				    pvid, &resp->context);
3982 		if (pvid)
3983 			*pvid = le16_to_cpu(vid);
3984 		if (mode)
3985 			*mode = AMAP_GET_BITS(struct amap_get_hsw_resp_context,
3986 					      port_fwd_type, &resp->context);
3987 		if (spoofchk)
3988 			*spoofchk =
3989 				AMAP_GET_BITS(struct amap_get_hsw_resp_context,
3990 					      spoofchk, &resp->context);
3991 	}
3992 
3993 err:
3994 	mutex_unlock(&adapter->mcc_lock);
3995 	return status;
3996 }
3997 
be_is_wol_excluded(struct be_adapter * adapter)3998 static bool be_is_wol_excluded(struct be_adapter *adapter)
3999 {
4000 	struct pci_dev *pdev = adapter->pdev;
4001 
4002 	if (be_virtfn(adapter))
4003 		return true;
4004 
4005 	switch (pdev->subsystem_device) {
4006 	case OC_SUBSYS_DEVICE_ID1:
4007 	case OC_SUBSYS_DEVICE_ID2:
4008 	case OC_SUBSYS_DEVICE_ID3:
4009 	case OC_SUBSYS_DEVICE_ID4:
4010 		return true;
4011 	default:
4012 		return false;
4013 	}
4014 }
4015 
be_cmd_get_acpi_wol_cap(struct be_adapter * adapter)4016 int be_cmd_get_acpi_wol_cap(struct be_adapter *adapter)
4017 {
4018 	struct be_mcc_wrb *wrb;
4019 	struct be_cmd_req_acpi_wol_magic_config_v1 *req;
4020 	int status = 0;
4021 	struct be_dma_mem cmd;
4022 
4023 	if (!be_cmd_allowed(adapter, OPCODE_ETH_ACPI_WOL_MAGIC_CONFIG,
4024 			    CMD_SUBSYSTEM_ETH))
4025 		return -EPERM;
4026 
4027 	if (be_is_wol_excluded(adapter))
4028 		return status;
4029 
4030 	if (mutex_lock_interruptible(&adapter->mbox_lock))
4031 		return -1;
4032 
4033 	memset(&cmd, 0, sizeof(struct be_dma_mem));
4034 	cmd.size = sizeof(struct be_cmd_resp_acpi_wol_magic_config_v1);
4035 	cmd.va = dma_alloc_coherent(&adapter->pdev->dev, cmd.size, &cmd.dma,
4036 				    GFP_ATOMIC);
4037 	if (!cmd.va) {
4038 		dev_err(&adapter->pdev->dev, "Memory allocation failure\n");
4039 		status = -ENOMEM;
4040 		goto err;
4041 	}
4042 
4043 	wrb = wrb_from_mbox(adapter);
4044 	if (!wrb) {
4045 		status = -EBUSY;
4046 		goto err;
4047 	}
4048 
4049 	req = cmd.va;
4050 
4051 	be_wrb_cmd_hdr_prepare(&req->hdr, CMD_SUBSYSTEM_ETH,
4052 			       OPCODE_ETH_ACPI_WOL_MAGIC_CONFIG,
4053 			       sizeof(*req), wrb, &cmd);
4054 
4055 	req->hdr.version = 1;
4056 	req->query_options = BE_GET_WOL_CAP;
4057 
4058 	status = be_mbox_notify_wait(adapter);
4059 	if (!status) {
4060 		struct be_cmd_resp_acpi_wol_magic_config_v1 *resp;
4061 
4062 		resp = (struct be_cmd_resp_acpi_wol_magic_config_v1 *)cmd.va;
4063 
4064 		adapter->wol_cap = resp->wol_settings;
4065 
4066 		/* Non-zero macaddr indicates WOL is enabled */
4067 		if (adapter->wol_cap & BE_WOL_CAP &&
4068 		    !is_zero_ether_addr(resp->magic_mac))
4069 			adapter->wol_en = true;
4070 	}
4071 err:
4072 	mutex_unlock(&adapter->mbox_lock);
4073 	if (cmd.va)
4074 		dma_free_coherent(&adapter->pdev->dev, cmd.size, cmd.va,
4075 				  cmd.dma);
4076 	return status;
4077 
4078 }
4079 
be_cmd_set_fw_log_level(struct be_adapter * adapter,u32 level)4080 int be_cmd_set_fw_log_level(struct be_adapter *adapter, u32 level)
4081 {
4082 	struct be_dma_mem extfat_cmd;
4083 	struct be_fat_conf_params *cfgs;
4084 	int status;
4085 	int i, j;
4086 
4087 	memset(&extfat_cmd, 0, sizeof(struct be_dma_mem));
4088 	extfat_cmd.size = sizeof(struct be_cmd_resp_get_ext_fat_caps);
4089 	extfat_cmd.va = dma_alloc_coherent(&adapter->pdev->dev,
4090 					   extfat_cmd.size, &extfat_cmd.dma,
4091 					   GFP_ATOMIC);
4092 	if (!extfat_cmd.va)
4093 		return -ENOMEM;
4094 
4095 	status = be_cmd_get_ext_fat_capabilites(adapter, &extfat_cmd);
4096 	if (status)
4097 		goto err;
4098 
4099 	cfgs = (struct be_fat_conf_params *)
4100 			(extfat_cmd.va + sizeof(struct be_cmd_resp_hdr));
4101 	for (i = 0; i < le32_to_cpu(cfgs->num_modules); i++) {
4102 		u32 num_modes = le32_to_cpu(cfgs->module[i].num_modes);
4103 
4104 		for (j = 0; j < num_modes; j++) {
4105 			if (cfgs->module[i].trace_lvl[j].mode == MODE_UART)
4106 				cfgs->module[i].trace_lvl[j].dbg_lvl =
4107 							cpu_to_le32(level);
4108 		}
4109 	}
4110 
4111 	status = be_cmd_set_ext_fat_capabilites(adapter, &extfat_cmd, cfgs);
4112 err:
4113 	dma_free_coherent(&adapter->pdev->dev, extfat_cmd.size, extfat_cmd.va,
4114 			  extfat_cmd.dma);
4115 	return status;
4116 }
4117 
be_cmd_get_fw_log_level(struct be_adapter * adapter)4118 int be_cmd_get_fw_log_level(struct be_adapter *adapter)
4119 {
4120 	struct be_dma_mem extfat_cmd;
4121 	struct be_fat_conf_params *cfgs;
4122 	int status, j;
4123 	int level = 0;
4124 
4125 	memset(&extfat_cmd, 0, sizeof(struct be_dma_mem));
4126 	extfat_cmd.size = sizeof(struct be_cmd_resp_get_ext_fat_caps);
4127 	extfat_cmd.va = dma_alloc_coherent(&adapter->pdev->dev,
4128 					   extfat_cmd.size, &extfat_cmd.dma,
4129 					   GFP_ATOMIC);
4130 
4131 	if (!extfat_cmd.va) {
4132 		dev_err(&adapter->pdev->dev, "%s: Memory allocation failure\n",
4133 			__func__);
4134 		goto err;
4135 	}
4136 
4137 	status = be_cmd_get_ext_fat_capabilites(adapter, &extfat_cmd);
4138 	if (!status) {
4139 		cfgs = (struct be_fat_conf_params *)(extfat_cmd.va +
4140 						sizeof(struct be_cmd_resp_hdr));
4141 
4142 		for (j = 0; j < le32_to_cpu(cfgs->module[0].num_modes); j++) {
4143 			if (cfgs->module[0].trace_lvl[j].mode == MODE_UART)
4144 				level = cfgs->module[0].trace_lvl[j].dbg_lvl;
4145 		}
4146 	}
4147 	dma_free_coherent(&adapter->pdev->dev, extfat_cmd.size, extfat_cmd.va,
4148 			  extfat_cmd.dma);
4149 err:
4150 	return level;
4151 }
4152 
be_cmd_get_ext_fat_capabilites(struct be_adapter * adapter,struct be_dma_mem * cmd)4153 int be_cmd_get_ext_fat_capabilites(struct be_adapter *adapter,
4154 				   struct be_dma_mem *cmd)
4155 {
4156 	struct be_mcc_wrb *wrb;
4157 	struct be_cmd_req_get_ext_fat_caps *req;
4158 	int status;
4159 
4160 	if (!be_cmd_allowed(adapter, OPCODE_COMMON_GET_EXT_FAT_CAPABILITIES,
4161 			    CMD_SUBSYSTEM_COMMON))
4162 		return -EPERM;
4163 
4164 	if (mutex_lock_interruptible(&adapter->mbox_lock))
4165 		return -1;
4166 
4167 	wrb = wrb_from_mbox(adapter);
4168 	if (!wrb) {
4169 		status = -EBUSY;
4170 		goto err;
4171 	}
4172 
4173 	req = cmd->va;
4174 	be_wrb_cmd_hdr_prepare(&req->hdr, CMD_SUBSYSTEM_COMMON,
4175 			       OPCODE_COMMON_GET_EXT_FAT_CAPABILITIES,
4176 			       cmd->size, wrb, cmd);
4177 	req->parameter_type = cpu_to_le32(1);
4178 
4179 	status = be_mbox_notify_wait(adapter);
4180 err:
4181 	mutex_unlock(&adapter->mbox_lock);
4182 	return status;
4183 }
4184 
be_cmd_set_ext_fat_capabilites(struct be_adapter * adapter,struct be_dma_mem * cmd,struct be_fat_conf_params * configs)4185 int be_cmd_set_ext_fat_capabilites(struct be_adapter *adapter,
4186 				   struct be_dma_mem *cmd,
4187 				   struct be_fat_conf_params *configs)
4188 {
4189 	struct be_mcc_wrb *wrb;
4190 	struct be_cmd_req_set_ext_fat_caps *req;
4191 	int status;
4192 
4193 	mutex_lock(&adapter->mcc_lock);
4194 
4195 	wrb = wrb_from_mccq(adapter);
4196 	if (!wrb) {
4197 		status = -EBUSY;
4198 		goto err;
4199 	}
4200 
4201 	req = cmd->va;
4202 	memcpy(&req->set_params, configs, sizeof(struct be_fat_conf_params));
4203 	be_wrb_cmd_hdr_prepare(&req->hdr, CMD_SUBSYSTEM_COMMON,
4204 			       OPCODE_COMMON_SET_EXT_FAT_CAPABILITIES,
4205 			       cmd->size, wrb, cmd);
4206 
4207 	status = be_mcc_notify_wait(adapter);
4208 err:
4209 	mutex_unlock(&adapter->mcc_lock);
4210 	return status;
4211 }
4212 
be_cmd_query_port_name(struct be_adapter * adapter)4213 int be_cmd_query_port_name(struct be_adapter *adapter)
4214 {
4215 	struct be_cmd_req_get_port_name *req;
4216 	struct be_mcc_wrb *wrb;
4217 	int status;
4218 
4219 	if (mutex_lock_interruptible(&adapter->mbox_lock))
4220 		return -1;
4221 
4222 	wrb = wrb_from_mbox(adapter);
4223 	req = embedded_payload(wrb);
4224 
4225 	be_wrb_cmd_hdr_prepare(&req->hdr, CMD_SUBSYSTEM_COMMON,
4226 			       OPCODE_COMMON_GET_PORT_NAME, sizeof(*req), wrb,
4227 			       NULL);
4228 	if (!BEx_chip(adapter))
4229 		req->hdr.version = 1;
4230 
4231 	status = be_mbox_notify_wait(adapter);
4232 	if (!status) {
4233 		struct be_cmd_resp_get_port_name *resp = embedded_payload(wrb);
4234 
4235 		adapter->port_name = resp->port_name[adapter->hba_port_num];
4236 	} else {
4237 		adapter->port_name = adapter->hba_port_num + '0';
4238 	}
4239 
4240 	mutex_unlock(&adapter->mbox_lock);
4241 	return status;
4242 }
4243 
4244 /* When more than 1 NIC descriptor is present in the descriptor list,
4245  * the caller must specify the pf_num to obtain the NIC descriptor
4246  * corresponding to its pci function.
4247  * get_vft must be true when the caller wants the VF-template desc of the
4248  * PF-pool.
4249  * The pf_num should be set to PF_NUM_IGNORE when the caller knows
4250  * that only it's NIC descriptor is present in the descriptor list.
4251  */
be_get_nic_desc(u8 * buf,u32 desc_count,bool get_vft,u8 pf_num)4252 static struct be_nic_res_desc *be_get_nic_desc(u8 *buf, u32 desc_count,
4253 					       bool get_vft, u8 pf_num)
4254 {
4255 	struct be_res_desc_hdr *hdr = (struct be_res_desc_hdr *)buf;
4256 	struct be_nic_res_desc *nic;
4257 	int i;
4258 
4259 	for (i = 0; i < desc_count; i++) {
4260 		if (hdr->desc_type == NIC_RESOURCE_DESC_TYPE_V0 ||
4261 		    hdr->desc_type == NIC_RESOURCE_DESC_TYPE_V1) {
4262 			nic = (struct be_nic_res_desc *)hdr;
4263 
4264 			if ((pf_num == PF_NUM_IGNORE ||
4265 			     nic->pf_num == pf_num) &&
4266 			    (!get_vft || nic->flags & BIT(VFT_SHIFT)))
4267 				return nic;
4268 		}
4269 		hdr->desc_len = hdr->desc_len ? : RESOURCE_DESC_SIZE_V0;
4270 		hdr = (void *)hdr + hdr->desc_len;
4271 	}
4272 	return NULL;
4273 }
4274 
be_get_vft_desc(u8 * buf,u32 desc_count,u8 pf_num)4275 static struct be_nic_res_desc *be_get_vft_desc(u8 *buf, u32 desc_count,
4276 					       u8 pf_num)
4277 {
4278 	return be_get_nic_desc(buf, desc_count, true, pf_num);
4279 }
4280 
be_get_func_nic_desc(u8 * buf,u32 desc_count,u8 pf_num)4281 static struct be_nic_res_desc *be_get_func_nic_desc(u8 *buf, u32 desc_count,
4282 						    u8 pf_num)
4283 {
4284 	return be_get_nic_desc(buf, desc_count, false, pf_num);
4285 }
4286 
be_get_pcie_desc(u8 * buf,u32 desc_count,u8 pf_num)4287 static struct be_pcie_res_desc *be_get_pcie_desc(u8 *buf, u32 desc_count,
4288 						 u8 pf_num)
4289 {
4290 	struct be_res_desc_hdr *hdr = (struct be_res_desc_hdr *)buf;
4291 	struct be_pcie_res_desc *pcie;
4292 	int i;
4293 
4294 	for (i = 0; i < desc_count; i++) {
4295 		if (hdr->desc_type == PCIE_RESOURCE_DESC_TYPE_V0 ||
4296 		    hdr->desc_type == PCIE_RESOURCE_DESC_TYPE_V1) {
4297 			pcie = (struct be_pcie_res_desc *)hdr;
4298 			if (pcie->pf_num == pf_num)
4299 				return pcie;
4300 		}
4301 
4302 		hdr->desc_len = hdr->desc_len ? : RESOURCE_DESC_SIZE_V0;
4303 		hdr = (void *)hdr + hdr->desc_len;
4304 	}
4305 	return NULL;
4306 }
4307 
be_get_port_desc(u8 * buf,u32 desc_count)4308 static struct be_port_res_desc *be_get_port_desc(u8 *buf, u32 desc_count)
4309 {
4310 	struct be_res_desc_hdr *hdr = (struct be_res_desc_hdr *)buf;
4311 	int i;
4312 
4313 	for (i = 0; i < desc_count; i++) {
4314 		if (hdr->desc_type == PORT_RESOURCE_DESC_TYPE_V1)
4315 			return (struct be_port_res_desc *)hdr;
4316 
4317 		hdr->desc_len = hdr->desc_len ? : RESOURCE_DESC_SIZE_V0;
4318 		hdr = (void *)hdr + hdr->desc_len;
4319 	}
4320 	return NULL;
4321 }
4322 
be_copy_nic_desc(struct be_resources * res,struct be_nic_res_desc * desc)4323 static void be_copy_nic_desc(struct be_resources *res,
4324 			     struct be_nic_res_desc *desc)
4325 {
4326 	res->max_uc_mac = le16_to_cpu(desc->unicast_mac_count);
4327 	res->max_vlans = le16_to_cpu(desc->vlan_count);
4328 	res->max_mcast_mac = le16_to_cpu(desc->mcast_mac_count);
4329 	res->max_tx_qs = le16_to_cpu(desc->txq_count);
4330 	res->max_rss_qs = le16_to_cpu(desc->rssq_count);
4331 	res->max_rx_qs = le16_to_cpu(desc->rq_count);
4332 	res->max_evt_qs = le16_to_cpu(desc->eq_count);
4333 	res->max_cq_count = le16_to_cpu(desc->cq_count);
4334 	res->max_iface_count = le16_to_cpu(desc->iface_count);
4335 	res->max_mcc_count = le16_to_cpu(desc->mcc_count);
4336 	/* Clear flags that driver is not interested in */
4337 	res->if_cap_flags = le32_to_cpu(desc->cap_flags) &
4338 				BE_IF_CAP_FLAGS_WANT;
4339 }
4340 
4341 /* Uses Mbox */
be_cmd_get_func_config(struct be_adapter * adapter,struct be_resources * res)4342 int be_cmd_get_func_config(struct be_adapter *adapter, struct be_resources *res)
4343 {
4344 	struct be_mcc_wrb *wrb;
4345 	struct be_cmd_req_get_func_config *req;
4346 	int status;
4347 	struct be_dma_mem cmd;
4348 
4349 	if (mutex_lock_interruptible(&adapter->mbox_lock))
4350 		return -1;
4351 
4352 	memset(&cmd, 0, sizeof(struct be_dma_mem));
4353 	cmd.size = sizeof(struct be_cmd_resp_get_func_config);
4354 	cmd.va = dma_alloc_coherent(&adapter->pdev->dev, cmd.size, &cmd.dma,
4355 				    GFP_ATOMIC);
4356 	if (!cmd.va) {
4357 		dev_err(&adapter->pdev->dev, "Memory alloc failure\n");
4358 		status = -ENOMEM;
4359 		goto err;
4360 	}
4361 
4362 	wrb = wrb_from_mbox(adapter);
4363 	if (!wrb) {
4364 		status = -EBUSY;
4365 		goto err;
4366 	}
4367 
4368 	req = cmd.va;
4369 
4370 	be_wrb_cmd_hdr_prepare(&req->hdr, CMD_SUBSYSTEM_COMMON,
4371 			       OPCODE_COMMON_GET_FUNC_CONFIG,
4372 			       cmd.size, wrb, &cmd);
4373 
4374 	if (skyhawk_chip(adapter))
4375 		req->hdr.version = 1;
4376 
4377 	status = be_mbox_notify_wait(adapter);
4378 	if (!status) {
4379 		struct be_cmd_resp_get_func_config *resp = cmd.va;
4380 		u32 desc_count = le32_to_cpu(resp->desc_count);
4381 		struct be_nic_res_desc *desc;
4382 
4383 		/* GET_FUNC_CONFIG returns resource descriptors of the
4384 		 * current function only. So, pf_num should be set to
4385 		 * PF_NUM_IGNORE.
4386 		 */
4387 		desc = be_get_func_nic_desc(resp->func_param, desc_count,
4388 					    PF_NUM_IGNORE);
4389 		if (!desc) {
4390 			status = -EINVAL;
4391 			goto err;
4392 		}
4393 
4394 		/* Store pf_num & vf_num for later use in GET_PROFILE_CONFIG */
4395 		adapter->pf_num = desc->pf_num;
4396 		adapter->vf_num = desc->vf_num;
4397 
4398 		if (res)
4399 			be_copy_nic_desc(res, desc);
4400 	}
4401 err:
4402 	mutex_unlock(&adapter->mbox_lock);
4403 	if (cmd.va)
4404 		dma_free_coherent(&adapter->pdev->dev, cmd.size, cmd.va,
4405 				  cmd.dma);
4406 	return status;
4407 }
4408 
4409 /* This routine returns a list of all the NIC PF_nums in the adapter */
be_get_nic_pf_num_list(u8 * buf,u32 desc_count,u16 * nic_pf_nums)4410 static u16 be_get_nic_pf_num_list(u8 *buf, u32 desc_count, u16 *nic_pf_nums)
4411 {
4412 	struct be_res_desc_hdr *hdr = (struct be_res_desc_hdr *)buf;
4413 	struct be_pcie_res_desc *pcie = NULL;
4414 	int i;
4415 	u16 nic_pf_count = 0;
4416 
4417 	for (i = 0; i < desc_count; i++) {
4418 		if (hdr->desc_type == PCIE_RESOURCE_DESC_TYPE_V0 ||
4419 		    hdr->desc_type == PCIE_RESOURCE_DESC_TYPE_V1) {
4420 			pcie = (struct be_pcie_res_desc *)hdr;
4421 			if (pcie->pf_state && (pcie->pf_type == MISSION_NIC ||
4422 					       pcie->pf_type == MISSION_RDMA)) {
4423 				nic_pf_nums[nic_pf_count++] = pcie->pf_num;
4424 			}
4425 		}
4426 
4427 		hdr->desc_len = hdr->desc_len ? : RESOURCE_DESC_SIZE_V0;
4428 		hdr = (void *)hdr + hdr->desc_len;
4429 	}
4430 	return nic_pf_count;
4431 }
4432 
4433 /* Will use MBOX only if MCCQ has not been created */
be_cmd_get_profile_config(struct be_adapter * adapter,struct be_resources * res,struct be_port_resources * port_res,u8 profile_type,u8 query,u8 domain)4434 int be_cmd_get_profile_config(struct be_adapter *adapter,
4435 			      struct be_resources *res,
4436 			      struct be_port_resources *port_res,
4437 			      u8 profile_type, u8 query, u8 domain)
4438 {
4439 	struct be_cmd_resp_get_profile_config *resp;
4440 	struct be_cmd_req_get_profile_config *req;
4441 	struct be_nic_res_desc *vf_res;
4442 	struct be_pcie_res_desc *pcie;
4443 	struct be_port_res_desc *port;
4444 	struct be_nic_res_desc *nic;
4445 	struct be_mcc_wrb wrb = {0};
4446 	struct be_dma_mem cmd;
4447 	u16 desc_count;
4448 	int status;
4449 
4450 	memset(&cmd, 0, sizeof(struct be_dma_mem));
4451 	cmd.size = sizeof(struct be_cmd_resp_get_profile_config);
4452 	cmd.va = dma_alloc_coherent(&adapter->pdev->dev, cmd.size, &cmd.dma,
4453 				    GFP_ATOMIC);
4454 	if (!cmd.va)
4455 		return -ENOMEM;
4456 
4457 	req = cmd.va;
4458 	be_wrb_cmd_hdr_prepare(&req->hdr, CMD_SUBSYSTEM_COMMON,
4459 			       OPCODE_COMMON_GET_PROFILE_CONFIG,
4460 			       cmd.size, &wrb, &cmd);
4461 
4462 	if (!lancer_chip(adapter))
4463 		req->hdr.version = 1;
4464 	req->type = profile_type;
4465 	req->hdr.domain = domain;
4466 
4467 	/* When QUERY_MODIFIABLE_FIELDS_TYPE bit is set, cmd returns the
4468 	 * descriptors with all bits set to "1" for the fields which can be
4469 	 * modified using SET_PROFILE_CONFIG cmd.
4470 	 */
4471 	if (query == RESOURCE_MODIFIABLE)
4472 		req->type |= QUERY_MODIFIABLE_FIELDS_TYPE;
4473 
4474 	status = be_cmd_notify_wait(adapter, &wrb);
4475 	if (status)
4476 		goto err;
4477 
4478 	resp = cmd.va;
4479 	desc_count = le16_to_cpu(resp->desc_count);
4480 
4481 	if (port_res) {
4482 		u16 nic_pf_cnt = 0, i;
4483 		u16 nic_pf_num_list[MAX_NIC_FUNCS];
4484 
4485 		nic_pf_cnt = be_get_nic_pf_num_list(resp->func_param,
4486 						    desc_count,
4487 						    nic_pf_num_list);
4488 
4489 		for (i = 0; i < nic_pf_cnt; i++) {
4490 			nic = be_get_func_nic_desc(resp->func_param, desc_count,
4491 						   nic_pf_num_list[i]);
4492 			if (nic->link_param == adapter->port_num) {
4493 				port_res->nic_pfs++;
4494 				pcie = be_get_pcie_desc(resp->func_param,
4495 							desc_count,
4496 							nic_pf_num_list[i]);
4497 				port_res->max_vfs += le16_to_cpu(pcie->num_vfs);
4498 			}
4499 		}
4500 		goto err;
4501 	}
4502 
4503 	pcie = be_get_pcie_desc(resp->func_param, desc_count,
4504 				adapter->pf_num);
4505 	if (pcie)
4506 		res->max_vfs = le16_to_cpu(pcie->num_vfs);
4507 
4508 	port = be_get_port_desc(resp->func_param, desc_count);
4509 	if (port)
4510 		adapter->mc_type = port->mc_type;
4511 
4512 	nic = be_get_func_nic_desc(resp->func_param, desc_count,
4513 				   adapter->pf_num);
4514 	if (nic)
4515 		be_copy_nic_desc(res, nic);
4516 
4517 	vf_res = be_get_vft_desc(resp->func_param, desc_count,
4518 				 adapter->pf_num);
4519 	if (vf_res)
4520 		res->vf_if_cap_flags = vf_res->cap_flags;
4521 err:
4522 	if (cmd.va)
4523 		dma_free_coherent(&adapter->pdev->dev, cmd.size, cmd.va,
4524 				  cmd.dma);
4525 	return status;
4526 }
4527 
4528 /* Will use MBOX only if MCCQ has not been created */
be_cmd_set_profile_config(struct be_adapter * adapter,void * desc,int size,int count,u8 version,u8 domain)4529 static int be_cmd_set_profile_config(struct be_adapter *adapter, void *desc,
4530 				     int size, int count, u8 version, u8 domain)
4531 {
4532 	struct be_cmd_req_set_profile_config *req;
4533 	struct be_mcc_wrb wrb = {0};
4534 	struct be_dma_mem cmd;
4535 	int status;
4536 
4537 	memset(&cmd, 0, sizeof(struct be_dma_mem));
4538 	cmd.size = sizeof(struct be_cmd_req_set_profile_config);
4539 	cmd.va = dma_alloc_coherent(&adapter->pdev->dev, cmd.size, &cmd.dma,
4540 				    GFP_ATOMIC);
4541 	if (!cmd.va)
4542 		return -ENOMEM;
4543 
4544 	req = cmd.va;
4545 	be_wrb_cmd_hdr_prepare(&req->hdr, CMD_SUBSYSTEM_COMMON,
4546 			       OPCODE_COMMON_SET_PROFILE_CONFIG, cmd.size,
4547 			       &wrb, &cmd);
4548 	req->hdr.version = version;
4549 	req->hdr.domain = domain;
4550 	req->desc_count = cpu_to_le32(count);
4551 	memcpy(req->desc, desc, size);
4552 
4553 	status = be_cmd_notify_wait(adapter, &wrb);
4554 
4555 	if (cmd.va)
4556 		dma_free_coherent(&adapter->pdev->dev, cmd.size, cmd.va,
4557 				  cmd.dma);
4558 	return status;
4559 }
4560 
4561 /* Mark all fields invalid */
be_reset_nic_desc(struct be_nic_res_desc * nic)4562 static void be_reset_nic_desc(struct be_nic_res_desc *nic)
4563 {
4564 	memset(nic, 0, sizeof(*nic));
4565 	nic->unicast_mac_count = 0xFFFF;
4566 	nic->mcc_count = 0xFFFF;
4567 	nic->vlan_count = 0xFFFF;
4568 	nic->mcast_mac_count = 0xFFFF;
4569 	nic->txq_count = 0xFFFF;
4570 	nic->rq_count = 0xFFFF;
4571 	nic->rssq_count = 0xFFFF;
4572 	nic->lro_count = 0xFFFF;
4573 	nic->cq_count = 0xFFFF;
4574 	nic->toe_conn_count = 0xFFFF;
4575 	nic->eq_count = 0xFFFF;
4576 	nic->iface_count = 0xFFFF;
4577 	nic->link_param = 0xFF;
4578 	nic->channel_id_param = cpu_to_le16(0xF000);
4579 	nic->acpi_params = 0xFF;
4580 	nic->wol_param = 0x0F;
4581 	nic->tunnel_iface_count = 0xFFFF;
4582 	nic->direct_tenant_iface_count = 0xFFFF;
4583 	nic->bw_min = 0xFFFFFFFF;
4584 	nic->bw_max = 0xFFFFFFFF;
4585 }
4586 
4587 /* Mark all fields invalid */
be_reset_pcie_desc(struct be_pcie_res_desc * pcie)4588 static void be_reset_pcie_desc(struct be_pcie_res_desc *pcie)
4589 {
4590 	memset(pcie, 0, sizeof(*pcie));
4591 	pcie->sriov_state = 0xFF;
4592 	pcie->pf_state = 0xFF;
4593 	pcie->pf_type = 0xFF;
4594 	pcie->num_vfs = 0xFFFF;
4595 }
4596 
be_cmd_config_qos(struct be_adapter * adapter,u32 max_rate,u16 link_speed,u8 domain)4597 int be_cmd_config_qos(struct be_adapter *adapter, u32 max_rate, u16 link_speed,
4598 		      u8 domain)
4599 {
4600 	struct be_nic_res_desc nic_desc;
4601 	u32 bw_percent;
4602 	u16 version = 0;
4603 
4604 	if (BE3_chip(adapter))
4605 		return be_cmd_set_qos(adapter, max_rate / 10, domain);
4606 
4607 	be_reset_nic_desc(&nic_desc);
4608 	nic_desc.pf_num = adapter->pf_num;
4609 	nic_desc.vf_num = domain;
4610 	nic_desc.bw_min = 0;
4611 	if (lancer_chip(adapter)) {
4612 		nic_desc.hdr.desc_type = NIC_RESOURCE_DESC_TYPE_V0;
4613 		nic_desc.hdr.desc_len = RESOURCE_DESC_SIZE_V0;
4614 		nic_desc.flags = (1 << QUN_SHIFT) | (1 << IMM_SHIFT) |
4615 					(1 << NOSV_SHIFT);
4616 		nic_desc.bw_max = cpu_to_le32(max_rate / 10);
4617 	} else {
4618 		version = 1;
4619 		nic_desc.hdr.desc_type = NIC_RESOURCE_DESC_TYPE_V1;
4620 		nic_desc.hdr.desc_len = RESOURCE_DESC_SIZE_V1;
4621 		nic_desc.flags = (1 << IMM_SHIFT) | (1 << NOSV_SHIFT);
4622 		bw_percent = max_rate ? (max_rate * 100) / link_speed : 100;
4623 		nic_desc.bw_max = cpu_to_le32(bw_percent);
4624 	}
4625 
4626 	return be_cmd_set_profile_config(adapter, &nic_desc,
4627 					 nic_desc.hdr.desc_len,
4628 					 1, version, domain);
4629 }
4630 
be_cmd_set_sriov_config(struct be_adapter * adapter,struct be_resources pool_res,u16 num_vfs,struct be_resources * vft_res)4631 int be_cmd_set_sriov_config(struct be_adapter *adapter,
4632 			    struct be_resources pool_res, u16 num_vfs,
4633 			    struct be_resources *vft_res)
4634 {
4635 	struct {
4636 		struct be_pcie_res_desc pcie;
4637 		struct be_nic_res_desc nic_vft;
4638 	} __packed desc;
4639 
4640 	/* PF PCIE descriptor */
4641 	be_reset_pcie_desc(&desc.pcie);
4642 	desc.pcie.hdr.desc_type = PCIE_RESOURCE_DESC_TYPE_V1;
4643 	desc.pcie.hdr.desc_len = RESOURCE_DESC_SIZE_V1;
4644 	desc.pcie.flags = BIT(IMM_SHIFT) | BIT(NOSV_SHIFT);
4645 	desc.pcie.pf_num = adapter->pdev->devfn;
4646 	desc.pcie.sriov_state = num_vfs ? 1 : 0;
4647 	desc.pcie.num_vfs = cpu_to_le16(num_vfs);
4648 
4649 	/* VF NIC Template descriptor */
4650 	be_reset_nic_desc(&desc.nic_vft);
4651 	desc.nic_vft.hdr.desc_type = NIC_RESOURCE_DESC_TYPE_V1;
4652 	desc.nic_vft.hdr.desc_len = RESOURCE_DESC_SIZE_V1;
4653 	desc.nic_vft.flags = vft_res->flags | BIT(VFT_SHIFT) |
4654 			     BIT(IMM_SHIFT) | BIT(NOSV_SHIFT);
4655 	desc.nic_vft.pf_num = adapter->pdev->devfn;
4656 	desc.nic_vft.vf_num = 0;
4657 	desc.nic_vft.cap_flags = cpu_to_le32(vft_res->vf_if_cap_flags);
4658 	desc.nic_vft.rq_count = cpu_to_le16(vft_res->max_rx_qs);
4659 	desc.nic_vft.txq_count = cpu_to_le16(vft_res->max_tx_qs);
4660 	desc.nic_vft.rssq_count = cpu_to_le16(vft_res->max_rss_qs);
4661 	desc.nic_vft.cq_count = cpu_to_le16(vft_res->max_cq_count);
4662 
4663 	if (vft_res->max_uc_mac)
4664 		desc.nic_vft.unicast_mac_count =
4665 					cpu_to_le16(vft_res->max_uc_mac);
4666 	if (vft_res->max_vlans)
4667 		desc.nic_vft.vlan_count = cpu_to_le16(vft_res->max_vlans);
4668 	if (vft_res->max_iface_count)
4669 		desc.nic_vft.iface_count =
4670 				cpu_to_le16(vft_res->max_iface_count);
4671 	if (vft_res->max_mcc_count)
4672 		desc.nic_vft.mcc_count = cpu_to_le16(vft_res->max_mcc_count);
4673 
4674 	return be_cmd_set_profile_config(adapter, &desc,
4675 					 2 * RESOURCE_DESC_SIZE_V1, 2, 1, 0);
4676 }
4677 
be_cmd_manage_iface(struct be_adapter * adapter,u32 iface,u8 op)4678 int be_cmd_manage_iface(struct be_adapter *adapter, u32 iface, u8 op)
4679 {
4680 	struct be_mcc_wrb *wrb;
4681 	struct be_cmd_req_manage_iface_filters *req;
4682 	int status;
4683 
4684 	if (iface == 0xFFFFFFFF)
4685 		return -1;
4686 
4687 	mutex_lock(&adapter->mcc_lock);
4688 
4689 	wrb = wrb_from_mccq(adapter);
4690 	if (!wrb) {
4691 		status = -EBUSY;
4692 		goto err;
4693 	}
4694 	req = embedded_payload(wrb);
4695 
4696 	be_wrb_cmd_hdr_prepare(&req->hdr, CMD_SUBSYSTEM_COMMON,
4697 			       OPCODE_COMMON_MANAGE_IFACE_FILTERS, sizeof(*req),
4698 			       wrb, NULL);
4699 	req->op = op;
4700 	req->target_iface_id = cpu_to_le32(iface);
4701 
4702 	status = be_mcc_notify_wait(adapter);
4703 err:
4704 	mutex_unlock(&adapter->mcc_lock);
4705 	return status;
4706 }
4707 
be_cmd_set_vxlan_port(struct be_adapter * adapter,__be16 port)4708 int be_cmd_set_vxlan_port(struct be_adapter *adapter, __be16 port)
4709 {
4710 	struct be_port_res_desc port_desc;
4711 
4712 	memset(&port_desc, 0, sizeof(port_desc));
4713 	port_desc.hdr.desc_type = PORT_RESOURCE_DESC_TYPE_V1;
4714 	port_desc.hdr.desc_len = RESOURCE_DESC_SIZE_V1;
4715 	port_desc.flags = (1 << IMM_SHIFT) | (1 << NOSV_SHIFT);
4716 	port_desc.link_num = adapter->hba_port_num;
4717 	if (port) {
4718 		port_desc.nv_flags = NV_TYPE_VXLAN | (1 << SOCVID_SHIFT) |
4719 					(1 << RCVID_SHIFT);
4720 		port_desc.nv_port = swab16(port);
4721 	} else {
4722 		port_desc.nv_flags = NV_TYPE_DISABLED;
4723 		port_desc.nv_port = 0;
4724 	}
4725 
4726 	return be_cmd_set_profile_config(adapter, &port_desc,
4727 					 RESOURCE_DESC_SIZE_V1, 1, 1, 0);
4728 }
4729 
be_cmd_get_if_id(struct be_adapter * adapter,struct be_vf_cfg * vf_cfg,int vf_num)4730 int be_cmd_get_if_id(struct be_adapter *adapter, struct be_vf_cfg *vf_cfg,
4731 		     int vf_num)
4732 {
4733 	struct be_mcc_wrb *wrb;
4734 	struct be_cmd_req_get_iface_list *req;
4735 	struct be_cmd_resp_get_iface_list *resp;
4736 	int status;
4737 
4738 	mutex_lock(&adapter->mcc_lock);
4739 
4740 	wrb = wrb_from_mccq(adapter);
4741 	if (!wrb) {
4742 		status = -EBUSY;
4743 		goto err;
4744 	}
4745 	req = embedded_payload(wrb);
4746 
4747 	be_wrb_cmd_hdr_prepare(&req->hdr, CMD_SUBSYSTEM_COMMON,
4748 			       OPCODE_COMMON_GET_IFACE_LIST, sizeof(*resp),
4749 			       wrb, NULL);
4750 	req->hdr.domain = vf_num + 1;
4751 
4752 	status = be_mcc_notify_wait(adapter);
4753 	if (!status) {
4754 		resp = (struct be_cmd_resp_get_iface_list *)req;
4755 		vf_cfg->if_handle = le32_to_cpu(resp->if_desc.if_id);
4756 	}
4757 
4758 err:
4759 	mutex_unlock(&adapter->mcc_lock);
4760 	return status;
4761 }
4762 
lancer_wait_idle(struct be_adapter * adapter)4763 static int lancer_wait_idle(struct be_adapter *adapter)
4764 {
4765 #define SLIPORT_IDLE_TIMEOUT 30
4766 	u32 reg_val;
4767 	int status = 0, i;
4768 
4769 	for (i = 0; i < SLIPORT_IDLE_TIMEOUT; i++) {
4770 		reg_val = ioread32(adapter->db + PHYSDEV_CONTROL_OFFSET);
4771 		if ((reg_val & PHYSDEV_CONTROL_INP_MASK) == 0)
4772 			break;
4773 
4774 		ssleep(1);
4775 	}
4776 
4777 	if (i == SLIPORT_IDLE_TIMEOUT)
4778 		status = -1;
4779 
4780 	return status;
4781 }
4782 
lancer_physdev_ctrl(struct be_adapter * adapter,u32 mask)4783 int lancer_physdev_ctrl(struct be_adapter *adapter, u32 mask)
4784 {
4785 	int status = 0;
4786 
4787 	status = lancer_wait_idle(adapter);
4788 	if (status)
4789 		return status;
4790 
4791 	iowrite32(mask, adapter->db + PHYSDEV_CONTROL_OFFSET);
4792 
4793 	return status;
4794 }
4795 
4796 /* Routine to check whether dump image is present or not */
dump_present(struct be_adapter * adapter)4797 bool dump_present(struct be_adapter *adapter)
4798 {
4799 	u32 sliport_status = 0;
4800 
4801 	sliport_status = ioread32(adapter->db + SLIPORT_STATUS_OFFSET);
4802 	return !!(sliport_status & SLIPORT_STATUS_DIP_MASK);
4803 }
4804 
lancer_initiate_dump(struct be_adapter * adapter)4805 int lancer_initiate_dump(struct be_adapter *adapter)
4806 {
4807 	struct device *dev = &adapter->pdev->dev;
4808 	int status;
4809 
4810 	if (dump_present(adapter)) {
4811 		dev_info(dev, "Previous dump not cleared, not forcing dump\n");
4812 		return -EEXIST;
4813 	}
4814 
4815 	/* give firmware reset and diagnostic dump */
4816 	status = lancer_physdev_ctrl(adapter, PHYSDEV_CONTROL_FW_RESET_MASK |
4817 				     PHYSDEV_CONTROL_DD_MASK);
4818 	if (status < 0) {
4819 		dev_err(dev, "FW reset failed\n");
4820 		return status;
4821 	}
4822 
4823 	status = lancer_wait_idle(adapter);
4824 	if (status)
4825 		return status;
4826 
4827 	if (!dump_present(adapter)) {
4828 		dev_err(dev, "FW dump not generated\n");
4829 		return -EIO;
4830 	}
4831 
4832 	return 0;
4833 }
4834 
lancer_delete_dump(struct be_adapter * adapter)4835 int lancer_delete_dump(struct be_adapter *adapter)
4836 {
4837 	int status;
4838 
4839 	status = lancer_cmd_delete_object(adapter, LANCER_FW_DUMP_FILE);
4840 	return be_cmd_status(status);
4841 }
4842 
4843 /* Uses sync mcc */
be_cmd_enable_vf(struct be_adapter * adapter,u8 domain)4844 int be_cmd_enable_vf(struct be_adapter *adapter, u8 domain)
4845 {
4846 	struct be_mcc_wrb *wrb;
4847 	struct be_cmd_enable_disable_vf *req;
4848 	int status;
4849 
4850 	if (BEx_chip(adapter))
4851 		return 0;
4852 
4853 	mutex_lock(&adapter->mcc_lock);
4854 
4855 	wrb = wrb_from_mccq(adapter);
4856 	if (!wrb) {
4857 		status = -EBUSY;
4858 		goto err;
4859 	}
4860 
4861 	req = embedded_payload(wrb);
4862 
4863 	be_wrb_cmd_hdr_prepare(&req->hdr, CMD_SUBSYSTEM_COMMON,
4864 			       OPCODE_COMMON_ENABLE_DISABLE_VF, sizeof(*req),
4865 			       wrb, NULL);
4866 
4867 	req->hdr.domain = domain;
4868 	req->enable = 1;
4869 	status = be_mcc_notify_wait(adapter);
4870 err:
4871 	mutex_unlock(&adapter->mcc_lock);
4872 	return status;
4873 }
4874 
be_cmd_intr_set(struct be_adapter * adapter,bool intr_enable)4875 int be_cmd_intr_set(struct be_adapter *adapter, bool intr_enable)
4876 {
4877 	struct be_mcc_wrb *wrb;
4878 	struct be_cmd_req_intr_set *req;
4879 	int status;
4880 
4881 	if (mutex_lock_interruptible(&adapter->mbox_lock))
4882 		return -1;
4883 
4884 	wrb = wrb_from_mbox(adapter);
4885 
4886 	req = embedded_payload(wrb);
4887 
4888 	be_wrb_cmd_hdr_prepare(&req->hdr, CMD_SUBSYSTEM_COMMON,
4889 			       OPCODE_COMMON_SET_INTERRUPT_ENABLE, sizeof(*req),
4890 			       wrb, NULL);
4891 
4892 	req->intr_enabled = intr_enable;
4893 
4894 	status = be_mbox_notify_wait(adapter);
4895 
4896 	mutex_unlock(&adapter->mbox_lock);
4897 	return status;
4898 }
4899 
4900 /* Uses MBOX */
be_cmd_get_active_profile(struct be_adapter * adapter,u16 * profile_id)4901 int be_cmd_get_active_profile(struct be_adapter *adapter, u16 *profile_id)
4902 {
4903 	struct be_cmd_req_get_active_profile *req;
4904 	struct be_mcc_wrb *wrb;
4905 	int status;
4906 
4907 	if (mutex_lock_interruptible(&adapter->mbox_lock))
4908 		return -1;
4909 
4910 	wrb = wrb_from_mbox(adapter);
4911 	if (!wrb) {
4912 		status = -EBUSY;
4913 		goto err;
4914 	}
4915 
4916 	req = embedded_payload(wrb);
4917 
4918 	be_wrb_cmd_hdr_prepare(&req->hdr, CMD_SUBSYSTEM_COMMON,
4919 			       OPCODE_COMMON_GET_ACTIVE_PROFILE, sizeof(*req),
4920 			       wrb, NULL);
4921 
4922 	status = be_mbox_notify_wait(adapter);
4923 	if (!status) {
4924 		struct be_cmd_resp_get_active_profile *resp =
4925 							embedded_payload(wrb);
4926 
4927 		*profile_id = le16_to_cpu(resp->active_profile_id);
4928 	}
4929 
4930 err:
4931 	mutex_unlock(&adapter->mbox_lock);
4932 	return status;
4933 }
4934 
4935 static int
__be_cmd_set_logical_link_config(struct be_adapter * adapter,int link_state,int version,u8 domain)4936 __be_cmd_set_logical_link_config(struct be_adapter *adapter,
4937 				 int link_state, int version, u8 domain)
4938 {
4939 	struct be_cmd_req_set_ll_link *req;
4940 	struct be_mcc_wrb *wrb;
4941 	u32 link_config = 0;
4942 	int status;
4943 
4944 	mutex_lock(&adapter->mcc_lock);
4945 
4946 	wrb = wrb_from_mccq(adapter);
4947 	if (!wrb) {
4948 		status = -EBUSY;
4949 		goto err;
4950 	}
4951 
4952 	req = embedded_payload(wrb);
4953 
4954 	be_wrb_cmd_hdr_prepare(&req->hdr, CMD_SUBSYSTEM_COMMON,
4955 			       OPCODE_COMMON_SET_LOGICAL_LINK_CONFIG,
4956 			       sizeof(*req), wrb, NULL);
4957 
4958 	req->hdr.version = version;
4959 	req->hdr.domain = domain;
4960 
4961 	if (link_state == IFLA_VF_LINK_STATE_ENABLE ||
4962 	    link_state == IFLA_VF_LINK_STATE_AUTO)
4963 		link_config |= PLINK_ENABLE;
4964 
4965 	if (link_state == IFLA_VF_LINK_STATE_AUTO)
4966 		link_config |= PLINK_TRACK;
4967 
4968 	req->link_config = cpu_to_le32(link_config);
4969 
4970 	status = be_mcc_notify_wait(adapter);
4971 err:
4972 	mutex_unlock(&adapter->mcc_lock);
4973 	return status;
4974 }
4975 
be_cmd_set_logical_link_config(struct be_adapter * adapter,int link_state,u8 domain)4976 int be_cmd_set_logical_link_config(struct be_adapter *adapter,
4977 				   int link_state, u8 domain)
4978 {
4979 	int status;
4980 
4981 	if (BE2_chip(adapter))
4982 		return -EOPNOTSUPP;
4983 
4984 	status = __be_cmd_set_logical_link_config(adapter, link_state,
4985 						  2, domain);
4986 
4987 	/* Version 2 of the command will not be recognized by older FW.
4988 	 * On such a failure issue version 1 of the command.
4989 	 */
4990 	if (base_status(status) == MCC_STATUS_ILLEGAL_REQUEST)
4991 		status = __be_cmd_set_logical_link_config(adapter, link_state,
4992 							  1, domain);
4993 	return status;
4994 }
4995 
be_cmd_set_features(struct be_adapter * adapter)4996 int be_cmd_set_features(struct be_adapter *adapter)
4997 {
4998 	struct be_cmd_resp_set_features *resp;
4999 	struct be_cmd_req_set_features *req;
5000 	struct be_mcc_wrb *wrb;
5001 	int status;
5002 
5003 	if (mutex_lock_interruptible(&adapter->mcc_lock))
5004 		return -1;
5005 
5006 	wrb = wrb_from_mccq(adapter);
5007 	if (!wrb) {
5008 		status = -EBUSY;
5009 		goto err;
5010 	}
5011 
5012 	req = embedded_payload(wrb);
5013 
5014 	be_wrb_cmd_hdr_prepare(&req->hdr, CMD_SUBSYSTEM_COMMON,
5015 			       OPCODE_COMMON_SET_FEATURES,
5016 			       sizeof(*req), wrb, NULL);
5017 
5018 	req->features = cpu_to_le32(BE_FEATURE_UE_RECOVERY);
5019 	req->parameter_len = cpu_to_le32(sizeof(struct be_req_ue_recovery));
5020 	req->parameter.req.uer = cpu_to_le32(BE_UE_RECOVERY_UER_MASK);
5021 
5022 	status = be_mcc_notify_wait(adapter);
5023 	if (status)
5024 		goto err;
5025 
5026 	resp = embedded_payload(wrb);
5027 
5028 	adapter->error_recovery.ue_to_poll_time =
5029 		le16_to_cpu(resp->parameter.resp.ue2rp);
5030 	adapter->error_recovery.ue_to_reset_time =
5031 		le16_to_cpu(resp->parameter.resp.ue2sr);
5032 	adapter->error_recovery.recovery_supported = true;
5033 err:
5034 	/* Checking "MCC_STATUS_INVALID_LENGTH" for SKH as FW
5035 	 * returns this error in older firmware versions
5036 	 */
5037 	if (base_status(status) == MCC_STATUS_ILLEGAL_REQUEST ||
5038 	    base_status(status) == MCC_STATUS_INVALID_LENGTH)
5039 		dev_info(&adapter->pdev->dev,
5040 			 "Adapter does not support HW error recovery\n");
5041 
5042 	mutex_unlock(&adapter->mcc_lock);
5043 	return status;
5044 }
5045 
be_roce_mcc_cmd(void * netdev_handle,void * wrb_payload,int wrb_payload_size,u16 * cmd_status,u16 * ext_status)5046 int be_roce_mcc_cmd(void *netdev_handle, void *wrb_payload,
5047 		    int wrb_payload_size, u16 *cmd_status, u16 *ext_status)
5048 {
5049 	struct be_adapter *adapter = netdev_priv(netdev_handle);
5050 	struct be_mcc_wrb *wrb;
5051 	struct be_cmd_req_hdr *hdr = (struct be_cmd_req_hdr *)wrb_payload;
5052 	struct be_cmd_req_hdr *req;
5053 	struct be_cmd_resp_hdr *resp;
5054 	int status;
5055 
5056 	mutex_lock(&adapter->mcc_lock);
5057 
5058 	wrb = wrb_from_mccq(adapter);
5059 	if (!wrb) {
5060 		status = -EBUSY;
5061 		goto err;
5062 	}
5063 	req = embedded_payload(wrb);
5064 	resp = embedded_payload(wrb);
5065 
5066 	be_wrb_cmd_hdr_prepare(req, hdr->subsystem,
5067 			       hdr->opcode, wrb_payload_size, wrb, NULL);
5068 	memcpy(req, wrb_payload, wrb_payload_size);
5069 	be_dws_cpu_to_le(req, wrb_payload_size);
5070 
5071 	status = be_mcc_notify_wait(adapter);
5072 	if (cmd_status)
5073 		*cmd_status = (status & 0xffff);
5074 	if (ext_status)
5075 		*ext_status = 0;
5076 	memcpy(wrb_payload, resp, sizeof(*resp) + resp->response_length);
5077 	be_dws_le_to_cpu(wrb_payload, sizeof(*resp) + resp->response_length);
5078 err:
5079 	mutex_unlock(&adapter->mcc_lock);
5080 	return status;
5081 }
5082 EXPORT_SYMBOL(be_roce_mcc_cmd);
5083