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be_cmds.c

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linux-6.19.14/drivers/net/ethernet/emulex/benet/be_cmds.c C
   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
  18const 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
  27static char *be_port_misconfig_evt_severity[] = {
  28	"KERN_WARN",
  29	"KERN_INFO",
  30	"KERN_ERR",
  31	"KERN_WARN"
  32};
  33
  34static char *phy_state_oper_desc[] = {
  35	"Link is non-operational",
  36	"Link is operational",
  37	""
  38};
  39
  40static 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
  99static 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
 114static inline void *embedded_payload(struct be_mcc_wrb *wrb)
 115{
 116	return wrb->payload.embedded_payload;
 117}
 118
 119static 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 */
 140static 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 */
 155static inline void be_mcc_compl_use(struct be_mcc_compl *compl)
 156{
 157	compl->flags = 0;
 158}
 159
 160static 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
 169static 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 */
 186static 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
 243static 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 */
 284static 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
 310static 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
 345log_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 */
 368static 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 */
 382static 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*/
 394static 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
 409static 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
 423static 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
 448static 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
 470static 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
 480static 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
 486static 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
 492static 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
 498static 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
 504static 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
 517static 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
 529void 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
 539void 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
 549int 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 */
 576static int be_mcc_wait_compl(struct be_adapter *adapter)
 577{
 578#define mcc_timeout		120000 /* 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		udelay(100);
 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 */
 603static 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));
 627out:
 628	return status;
 629}
 630
 631static 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 */
 665static 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
 711u16 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
 724static 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
 745int 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
 777err:
 778	dev_err(dev, "POST timeout; stage=%#x\n", stage);
 779	return -ETIMEDOUT;
 780}
 781
 782static inline struct be_sge *nonembedded_sgl(struct be_mcc_wrb *wrb)
 783{
 784	return &wrb->payload.sgl[0];
 785}
 786
 787static 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 */
 795static 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
 820static 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
 833static 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
 842static 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
 860static 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 */
 866static int be_cmd_lock(struct be_adapter *adapter)
 867{
 868	if (use_mcc(adapter)) {
 869		spin_lock_bh(&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 */
 877static void be_cmd_unlock(struct be_adapter *adapter)
 878{
 879	if (use_mcc(adapter))
 880		return spin_unlock_bh(&adapter->mcc_lock);
 881	else
 882		return mutex_unlock(&adapter->mbox_lock);
 883}
 884
 885static 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 */
 906static 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
 930unlock:
 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 */
 938int 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 */
 968int 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
 995int 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 */
1043int 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	spin_lock_bh(&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
1078err:
1079	spin_unlock_bh(&adapter->mcc_lock);
1080	return status;
1081}
1082
1083/* Uses synchronous MCCQ */
1084int 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	spin_lock_bh(&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
1115err:
1116	spin_unlock_bh(&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 */
1125int 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	spin_lock_bh(&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
1153err:
1154	spin_unlock_bh(&adapter->mcc_lock);
1155	return status;
1156}
1157
1158/* Uses Mbox */
1159int 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
1227static 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
1236static 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
1301static 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
1345int 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
1360int 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 */
1408int 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	spin_lock_bh(&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
1446err:
1447	spin_unlock_bh(&adapter->mcc_lock);
1448	return status;
1449}
1450
1451/* Generic destroyer function for all types of queues
1452 * Uses Mbox
1453 */
1454int 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 */
1505int 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	spin_lock_bh(&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
1527err:
1528	spin_unlock_bh(&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 */
1535int 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 */
1565int 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 */
1590int 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	spin_lock_bh(&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	else 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
1623err:
1624	spin_unlock_bh(&adapter->mcc_lock);
1625	return status;
1626}
1627
1628/* Lancer Stats */
1629int 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	spin_lock_bh(&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
1662err:
1663	spin_unlock_bh(&adapter->mcc_lock);
1664	return status;
1665}
1666
1667static 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 */
1693int 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	spin_lock_bh(&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
1738err:
1739	spin_unlock_bh(&adapter->mcc_lock);
1740	return status;
1741}
1742
1743/* Uses synchronous mcc */
1744int 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	spin_lock_bh(&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);
1764err:
1765	spin_unlock_bh(&adapter->mcc_lock);
1766	return status;
1767}
1768
1769/* Uses synchronous mcc */
1770int 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
1793int 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	spin_lock_bh(&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	}
1851err:
1852	spin_unlock_bh(&adapter->mcc_lock);
1853	dma_free_coherent(&adapter->pdev->dev, get_fat_cmd.size,
1854			  get_fat_cmd.va, get_fat_cmd.dma);
1855	return status;
1856}
1857
1858/* Uses synchronous mcc */
1859int 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	spin_lock_bh(&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	}
1887err:
1888	spin_unlock_bh(&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 */
1895static 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	spin_lock_bh(&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);
1924err:
1925	spin_unlock_bh(&adapter->mcc_lock);
1926	return status;
1927}
1928
1929int 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 */
1945int 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	spin_lock_bh(&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);
1973err:
1974	spin_unlock_bh(&adapter->mcc_lock);
1975	return status;
1976}
1977
1978static 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	spin_lock_bh(&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);
2017err:
2018	spin_unlock_bh(&adapter->mcc_lock);
2019	return status;
2020}
2021
2022int 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 */
2039int 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	spin_lock_bh(&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
2068err:
2069	spin_unlock_bh(&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 */
2078int 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	spin_lock_bh(&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
2110err:
2111	spin_unlock_bh(&adapter->mcc_lock);
2112	return status;
2113}
2114
2115/* Uses mbox */
2116int 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 */
2150int 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
2182int 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	spin_lock_bh(&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);
2216err:
2217	spin_unlock_bh(&adapter->mcc_lock);
2218	return status;
2219}
2220
2221/* Uses sync mcc */
2222int 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	spin_lock_bh(&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
2249err:
2250	spin_unlock_bh(&adapter->mcc_lock);
2251	return status;
2252}
2253
2254/* Uses sync mcc */
2255int 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	spin_lock_bh(&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
2284err:
2285	spin_unlock_bh(&adapter->mcc_lock);
2286	return status;
2287}
2288
2289/* Uses sync mcc */
2290int 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	spin_lock_bh(&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	}
2330err:
2331	spin_unlock_bh(&adapter->mcc_lock);
2332	dma_free_coherent(&adapter->pdev->dev, cmd.size, cmd.va, cmd.dma);
2333	return status;
2334}
2335
2336static 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	spin_lock_bh(&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	spin_unlock_bh(&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
2408err_unlock:
2409	spin_unlock_bh(&adapter->mcc_lock);
2410	return status;
2411}
2412
2413int 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
2438int 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
2456static 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	spin_lock_bh(&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);
2480err:
2481	spin_unlock_bh(&adapter->mcc_lock);
2482	return status;
2483}
2484
2485int 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	spin_lock_bh(&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
2527err_unlock:
2528	spin_unlock_bh(&adapter->mcc_lock);
2529	return status;
2530}
2531
2532static 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	spin_lock_bh(&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	spin_unlock_bh(&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
2575err_unlock:
2576	spin_unlock_bh(&adapter->mcc_lock);
2577	return status;
2578}
2579
2580static 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	spin_lock_bh(&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
2613err:
2614	spin_unlock_bh(&adapter->mcc_lock);
2615	return status;
2616}
2617
2618/*
2619 * Since the cookie is text, add a parsing-skipped space to keep it from
2620 * ever being matched on storage holding this source file.
2621 */
2622static const char flash_cookie[32] __nonstring = "*** SE FLAS" "H DIRECTORY *** ";
2623
2624static bool phy_flashing_required(struct be_adapter *adapter)
2625{
2626	return (adapter->phy.phy_type == PHY_TYPE_TN_8022 &&
2627		adapter->phy.interface_type == PHY_TYPE_BASET_10GB);
2628}
2629
2630static bool is_comp_in_ufi(struct be_adapter *adapter,
2631			   struct flash_section_info *fsec, int type)
2632{
2633	int i = 0, img_type = 0;
2634	struct flash_section_info_g2 *fsec_g2 = NULL;
2635
2636	if (BE2_chip(adapter))
2637		fsec_g2 = (struct flash_section_info_g2 *)fsec;
2638
2639	for (i = 0; i < MAX_FLASH_COMP; i++) {
2640		if (fsec_g2)
2641			img_type = le32_to_cpu(fsec_g2->fsec_entry[i].type);
2642		else
2643			img_type = le32_to_cpu(fsec->fsec_entry[i].type);
2644
2645		if (img_type == type)
2646			return true;
2647	}
2648	return false;
2649}
2650
2651static struct flash_section_info *get_fsec_info(struct be_adapter *adapter,
2652						int header_size,
2653						const struct firmware *fw)
2654{
2655	struct flash_section_info *fsec = NULL;
2656	const u8 *p = fw->data;
2657
2658	p += header_size;
2659	while (p < (fw->data + fw->size)) {
2660		fsec = (struct flash_section_info *)p;
2661		if (!memcmp(flash_cookie, fsec->cookie, sizeof(flash_cookie)))
2662			return fsec;
2663		p += 32;
2664	}
2665	return NULL;
2666}
2667
2668static int be_check_flash_crc(struct be_adapter *adapter, const u8 *p,
2669			      u32 img_offset, u32 img_size, int hdr_size,
2670			      u16 img_optype, bool *crc_match)
2671{
2672	u32 crc_offset;
2673	int status;
2674	u8 crc[4];
2675
2676	status = be_cmd_get_flash_crc(adapter, crc, img_optype, img_offset,
2677				      img_size - 4);
2678	if (status)
2679		return status;
2680
2681	crc_offset = hdr_size + img_offset + img_size - 4;
2682
2683	/* Skip flashing, if crc of flashed region matches */
2684	if (!memcmp(crc, p + crc_offset, 4))
2685		*crc_match = true;
2686	else
2687		*crc_match = false;
2688
2689	return status;
2690}
2691
2692static int be_flash(struct be_adapter *adapter, const u8 *img,
2693		    struct be_dma_mem *flash_cmd, int optype, int img_size,
2694		    u32 img_offset)
2695{
2696	u32 flash_op, num_bytes, total_bytes = img_size, bytes_sent = 0;
2697	struct be_cmd_write_flashrom *req = flash_cmd->va;
2698	int status;
2699
2700	while (total_bytes) {
2701		num_bytes = min_t(u32, 32 * 1024, total_bytes);
2702
2703		total_bytes -= num_bytes;
2704
2705		if (!total_bytes) {
2706			if (optype == OPTYPE_PHY_FW)
2707				flash_op = FLASHROM_OPER_PHY_FLASH;
2708			else
2709				flash_op = FLASHROM_OPER_FLASH;
2710		} else {
2711			if (optype == OPTYPE_PHY_FW)
2712				flash_op = FLASHROM_OPER_PHY_SAVE;
2713			else
2714				flash_op = FLASHROM_OPER_SAVE;
2715		}
2716
2717		memcpy(req->data_buf, img, num_bytes);
2718		img += num_bytes;
2719		status = be_cmd_write_flashrom(adapter, flash_cmd, optype,
2720					       flash_op, img_offset +
2721					       bytes_sent, num_bytes);
2722		if (base_status(status) == MCC_STATUS_ILLEGAL_REQUEST &&
2723		    optype == OPTYPE_PHY_FW)
2724			break;
2725		else if (status)
2726			return status;
2727
2728		bytes_sent += num_bytes;
2729	}
2730	return 0;
2731}
2732
2733#define NCSI_UPDATE_LOG	"NCSI section update is not supported in FW ver %s\n"
2734static bool be_fw_ncsi_supported(char *ver)
2735{
2736	int v1[4] = {3, 102, 148, 0}; /* Min ver that supports NCSI FW */
2737	int v2[4];
2738	int i;
2739
2740	if (sscanf(ver, "%d.%d.%d.%d", &v2[0], &v2[1], &v2[2], &v2[3]) != 4)
2741		return false;
2742
2743	for (i = 0; i < 4; i++) {
2744		if (v1[i] < v2[i])
2745			return true;
2746		else if (v1[i] > v2[i])
2747			return false;
2748	}
2749
2750	return true;
2751}
2752
2753/* For BE2, BE3 and BE3-R */
2754static int be_flash_BEx(struct be_adapter *adapter,
2755			const struct firmware *fw,
2756			struct be_dma_mem *flash_cmd, int num_of_images)
2757{
2758	int img_hdrs_size = (num_of_images * sizeof(struct image_hdr));
2759	struct device *dev = &adapter->pdev->dev;
2760	struct flash_section_info *fsec = NULL;
2761	int status, i, filehdr_size, num_comp;
2762	const struct flash_comp *pflashcomp;
2763	bool crc_match;
2764	const u8 *p;
2765
2766	static const struct flash_comp gen3_flash_types[] = {
2767		{ BE3_ISCSI_PRIMARY_IMAGE_START, OPTYPE_ISCSI_ACTIVE,
2768			BE3_COMP_MAX_SIZE, IMAGE_FIRMWARE_ISCSI},
2769		{ BE3_REDBOOT_START, OPTYPE_REDBOOT,
2770			BE3_REDBOOT_COMP_MAX_SIZE, IMAGE_BOOT_CODE},
2771		{ BE3_ISCSI_BIOS_START, OPTYPE_BIOS,
2772			BE3_BIOS_COMP_MAX_SIZE, IMAGE_OPTION_ROM_ISCSI},
2773		{ BE3_PXE_BIOS_START, OPTYPE_PXE_BIOS,
2774			BE3_BIOS_COMP_MAX_SIZE, IMAGE_OPTION_ROM_PXE},
2775		{ BE3_FCOE_BIOS_START, OPTYPE_FCOE_BIOS,
2776			BE3_BIOS_COMP_MAX_SIZE, IMAGE_OPTION_ROM_FCOE},
2777		{ BE3_ISCSI_BACKUP_IMAGE_START, OPTYPE_ISCSI_BACKUP,
2778			BE3_COMP_MAX_SIZE, IMAGE_FIRMWARE_BACKUP_ISCSI},
2779		{ BE3_FCOE_PRIMARY_IMAGE_START, OPTYPE_FCOE_FW_ACTIVE,
2780			BE3_COMP_MAX_SIZE, IMAGE_FIRMWARE_FCOE},
2781		{ BE3_FCOE_BACKUP_IMAGE_START, OPTYPE_FCOE_FW_BACKUP,
2782			BE3_COMP_MAX_SIZE, IMAGE_FIRMWARE_BACKUP_FCOE},
2783		{ BE3_NCSI_START, OPTYPE_NCSI_FW,
2784			BE3_NCSI_COMP_MAX_SIZE, IMAGE_NCSI},
2785		{ BE3_PHY_FW_START, OPTYPE_PHY_FW,
2786			BE3_PHY_FW_COMP_MAX_SIZE, IMAGE_FIRMWARE_PHY}
2787	};
2788
2789	static const struct flash_comp gen2_flash_types[] = {
2790		{ BE2_ISCSI_PRIMARY_IMAGE_START, OPTYPE_ISCSI_ACTIVE,
2791			BE2_COMP_MAX_SIZE, IMAGE_FIRMWARE_ISCSI},
2792		{ BE2_REDBOOT_START, OPTYPE_REDBOOT,
2793			BE2_REDBOOT_COMP_MAX_SIZE, IMAGE_BOOT_CODE},
2794		{ BE2_ISCSI_BIOS_START, OPTYPE_BIOS,
2795			BE2_BIOS_COMP_MAX_SIZE, IMAGE_OPTION_ROM_ISCSI},
2796		{ BE2_PXE_BIOS_START, OPTYPE_PXE_BIOS,
2797			BE2_BIOS_COMP_MAX_SIZE, IMAGE_OPTION_ROM_PXE},
2798		{ BE2_FCOE_BIOS_START, OPTYPE_FCOE_BIOS,
2799			BE2_BIOS_COMP_MAX_SIZE, IMAGE_OPTION_ROM_FCOE},
2800		{ BE2_ISCSI_BACKUP_IMAGE_START, OPTYPE_ISCSI_BACKUP,
2801			BE2_COMP_MAX_SIZE, IMAGE_FIRMWARE_BACKUP_ISCSI},
2802		{ BE2_FCOE_PRIMARY_IMAGE_START, OPTYPE_FCOE_FW_ACTIVE,
2803			BE2_COMP_MAX_SIZE, IMAGE_FIRMWARE_FCOE},
2804		{ BE2_FCOE_BACKUP_IMAGE_START, OPTYPE_FCOE_FW_BACKUP,
2805			 BE2_COMP_MAX_SIZE, IMAGE_FIRMWARE_BACKUP_FCOE}
2806	};
2807
2808	if (BE3_chip(adapter)) {
2809		pflashcomp = gen3_flash_types;
2810		filehdr_size = sizeof(struct flash_file_hdr_g3);
2811		num_comp = ARRAY_SIZE(gen3_flash_types);
2812	} else {
2813		pflashcomp = gen2_flash_types;
2814		filehdr_size = sizeof(struct flash_file_hdr_g2);
2815		num_comp = ARRAY_SIZE(gen2_flash_types);
2816		img_hdrs_size = 0;
2817	}
2818
2819	/* Get flash section info*/
2820	fsec = get_fsec_info(adapter, filehdr_size + img_hdrs_size, fw);
2821	if (!fsec) {
2822		dev_err(dev, "Invalid Cookie. FW image may be corrupted\n");
2823		return -1;
2824	}
2825	for (i = 0; i < num_comp; i++) {
2826		if (!is_comp_in_ufi(adapter, fsec, pflashcomp[i].img_type))
2827			continue;
2828
2829		if ((pflashcomp[i].optype == OPTYPE_NCSI_FW) &&
2830		    !be_fw_ncsi_supported(adapter->fw_ver)) {
2831			dev_info(dev, NCSI_UPDATE_LOG, adapter->fw_ver);
2832			continue;
2833		}
2834
2835		if (pflashcomp[i].optype == OPTYPE_PHY_FW  &&
2836		    !phy_flashing_required(adapter))
2837			continue;
2838
2839		if (pflashcomp[i].optype == OPTYPE_REDBOOT) {
2840			status = be_check_flash_crc(adapter, fw->data,
2841						    pflashcomp[i].offset,
2842						    pflashcomp[i].size,
2843						    filehdr_size +
2844						    img_hdrs_size,
2845						    OPTYPE_REDBOOT, &crc_match);
2846			if (status) {
2847				dev_err(dev,
2848					"Could not get CRC for 0x%x region\n",
2849					pflashcomp[i].optype);
2850				continue;
2851			}
2852
2853			if (crc_match)
2854				continue;
2855		}
2856
2857		p = fw->data + filehdr_size + pflashcomp[i].offset +
2858			img_hdrs_size;
2859		if (p + pflashcomp[i].size > fw->data + fw->size)
2860			return -1;
2861
2862		status = be_flash(adapter, p, flash_cmd, pflashcomp[i].optype,
2863				  pflashcomp[i].size, 0);
2864		if (status) {
2865			dev_err(dev, "Flashing section type 0x%x failed\n",
2866				pflashcomp[i].img_type);
2867			return status;
2868		}
2869	}
2870	return 0;
2871}
2872
2873static u16 be_get_img_optype(struct flash_section_entry fsec_entry)
2874{
2875	u32 img_type = le32_to_cpu(fsec_entry.type);
2876	u16 img_optype = le16_to_cpu(fsec_entry.optype);
2877
2878	if (img_optype != 0xFFFF)
2879		return img_optype;
2880
2881	switch (img_type) {
2882	case IMAGE_FIRMWARE_ISCSI:
2883		img_optype = OPTYPE_ISCSI_ACTIVE;
2884		break;
2885	case IMAGE_BOOT_CODE:
2886		img_optype = OPTYPE_REDBOOT;
2887		break;
2888	case IMAGE_OPTION_ROM_ISCSI:
2889		img_optype = OPTYPE_BIOS;
2890		break;
2891	case IMAGE_OPTION_ROM_PXE:
2892		img_optype = OPTYPE_PXE_BIOS;
2893		break;
2894	case IMAGE_OPTION_ROM_FCOE:
2895		img_optype = OPTYPE_FCOE_BIOS;
2896		break;
2897	case IMAGE_FIRMWARE_BACKUP_ISCSI:
2898		img_optype = OPTYPE_ISCSI_BACKUP;
2899		break;
2900	case IMAGE_NCSI:
2901		img_optype = OPTYPE_NCSI_FW;
2902		break;
2903	case IMAGE_FLASHISM_JUMPVECTOR:
2904		img_optype = OPTYPE_FLASHISM_JUMPVECTOR;
2905		break;
2906	case IMAGE_FIRMWARE_PHY:
2907		img_optype = OPTYPE_SH_PHY_FW;
2908		break;
2909	case IMAGE_REDBOOT_DIR:
2910		img_optype = OPTYPE_REDBOOT_DIR;
2911		break;
2912	case IMAGE_REDBOOT_CONFIG:
2913		img_optype = OPTYPE_REDBOOT_CONFIG;
2914		break;
2915	case IMAGE_UFI_DIR:
2916		img_optype = OPTYPE_UFI_DIR;
2917		break;
2918	default:
2919		break;
2920	}
2921
2922	return img_optype;
2923}
2924
2925static int be_flash_skyhawk(struct be_adapter *adapter,
2926			    const struct firmware *fw,
2927			    struct be_dma_mem *flash_cmd, int num_of_images)
2928{
2929	int img_hdrs_size = num_of_images * sizeof(struct image_hdr);
2930	bool crc_match, old_fw_img, flash_offset_support = true;
2931	struct device *dev = &adapter->pdev->dev;
2932	struct flash_section_info *fsec = NULL;
2933	u32 img_offset, img_size, img_type;
2934	u16 img_optype, flash_optype;
2935	int status, i, filehdr_size;
2936	const u8 *p;
2937
2938	filehdr_size = sizeof(struct flash_file_hdr_g3);
2939	fsec = get_fsec_info(adapter, filehdr_size + img_hdrs_size, fw);
2940	if (!fsec) {
2941		dev_err(dev, "Invalid Cookie. FW image may be corrupted\n");
2942		return -EINVAL;
2943	}
2944
2945retry_flash:
2946	for (i = 0; i < le32_to_cpu(fsec->fsec_hdr.num_images); i++) {
2947		img_offset = le32_to_cpu(fsec->fsec_entry[i].offset);
2948		img_size   = le32_to_cpu(fsec->fsec_entry[i].pad_size);
2949		img_type   = le32_to_cpu(fsec->fsec_entry[i].type);
2950		img_optype = be_get_img_optype(fsec->fsec_entry[i]);
2951		old_fw_img = fsec->fsec_entry[i].optype == 0xFFFF;
2952
2953		if (img_optype == 0xFFFF)
2954			continue;
2955
2956		if (flash_offset_support)
2957			flash_optype = OPTYPE_OFFSET_SPECIFIED;
2958		else
2959			flash_optype = img_optype;
2960
2961		/* Don't bother verifying CRC if an old FW image is being
2962		 * flashed
2963		 */
2964		if (old_fw_img)
2965			goto flash;
2966
2967		status = be_check_flash_crc(adapter, fw->data, img_offset,
2968					    img_size, filehdr_size +
2969					    img_hdrs_size, flash_optype,
2970					    &crc_match);
2971		if (base_status(status) == MCC_STATUS_ILLEGAL_REQUEST ||
2972		    base_status(status) == MCC_STATUS_ILLEGAL_FIELD) {
2973			/* The current FW image on the card does not support
2974			 * OFFSET based flashing. Retry using older mechanism
2975			 * of OPTYPE based flashing
2976			 */
2977			if (flash_optype == OPTYPE_OFFSET_SPECIFIED) {
2978				flash_offset_support = false;
2979				goto retry_flash;
2980			}
2981
2982			/* The current FW image on the card does not recognize
2983			 * the new FLASH op_type. The FW download is partially
2984			 * complete. Reboot the server now to enable FW image
2985			 * to recognize the new FLASH op_type. To complete the
2986			 * remaining process, download the same FW again after
2987			 * the reboot.
2988			 */
2989			dev_err(dev, "Flash incomplete. Reset the server\n");
2990			dev_err(dev, "Download FW image again after reset\n");
2991			return -EAGAIN;
2992		} else if (status) {
2993			dev_err(dev, "Could not get CRC for 0x%x region\n",
2994				img_optype);
2995			return -EFAULT;
2996		}
2997
2998		if (crc_match)
2999			continue;
3000
3001flash:
3002		p = fw->data + filehdr_size + img_offset + img_hdrs_size;
3003		if (p + img_size > fw->data + fw->size)
3004			return -1;
3005
3006		status = be_flash(adapter, p, flash_cmd, flash_optype, img_size,
3007				  img_offset);
3008
3009		/* The current FW image on the card does not support OFFSET
3010		 * based flashing. Retry using older mechanism of OPTYPE based
3011		 * flashing
3012		 */
3013		if (base_status(status) == MCC_STATUS_ILLEGAL_FIELD &&
3014		    flash_optype == OPTYPE_OFFSET_SPECIFIED) {
3015			flash_offset_support = false;
3016			goto retry_flash;
3017		}
3018
3019		/* For old FW images ignore ILLEGAL_FIELD error or errors on
3020		 * UFI_DIR region
3021		 */
3022		if (old_fw_img &&
3023		    (base_status(status) == MCC_STATUS_ILLEGAL_FIELD ||
3024		     (img_optype == OPTYPE_UFI_DIR &&
3025		      base_status(status) == MCC_STATUS_FAILED))) {
3026			continue;
3027		} else if (status) {
3028			dev_err(dev, "Flashing section type 0x%x failed\n",
3029				img_type);
3030
3031			switch (addl_status(status)) {
3032			case MCC_ADDL_STATUS_MISSING_SIGNATURE:
3033				dev_err(dev,
3034					"Digital signature missing in FW\n");
3035				return -EINVAL;
3036			case MCC_ADDL_STATUS_INVALID_SIGNATURE:
3037				dev_err(dev,
3038					"Invalid digital signature in FW\n");
3039				return -EINVAL;
3040			default:
3041				return -EFAULT;
3042			}
3043		}
3044	}
3045	return 0;
3046}
3047
3048int lancer_fw_download(struct be_adapter *adapter,
3049		       const struct firmware *fw)
3050{
3051	struct device *dev = &adapter->pdev->dev;
3052	struct be_dma_mem flash_cmd;
3053	const u8 *data_ptr = NULL;
3054	u8 *dest_image_ptr = NULL;
3055	size_t image_size = 0;
3056	u32 chunk_size = 0;
3057	u32 data_written = 0;
3058	u32 offset = 0;
3059	int status = 0;
3060	u8 add_status = 0;
3061	u8 change_status;
3062
3063	if (!IS_ALIGNED(fw->size, sizeof(u32))) {
3064		dev_err(dev, "FW image size should be multiple of 4\n");
3065		return -EINVAL;
3066	}
3067
3068	flash_cmd.size = sizeof(struct lancer_cmd_req_write_object)
3069				+ LANCER_FW_DOWNLOAD_CHUNK;
3070	flash_cmd.va = dma_alloc_coherent(dev, flash_cmd.size, &flash_cmd.dma,
3071					  GFP_KERNEL);
3072	if (!flash_cmd.va)
3073		return -ENOMEM;
3074
3075	dest_image_ptr = flash_cmd.va +
3076				sizeof(struct lancer_cmd_req_write_object);
3077	image_size = fw->size;
3078	data_ptr = fw->data;
3079
3080	while (image_size) {
3081		chunk_size = min_t(u32, image_size, LANCER_FW_DOWNLOAD_CHUNK);
3082
3083		/* Copy the image chunk content. */
3084		memcpy(dest_image_ptr, data_ptr, chunk_size);
3085
3086		status = lancer_cmd_write_object(adapter, &flash_cmd,
3087						 chunk_size, offset,
3088						 LANCER_FW_DOWNLOAD_LOCATION,
3089						 &data_written, &change_status,
3090						 &add_status);
3091		if (status)
3092			break;
3093
3094		offset += data_written;
3095		data_ptr += data_written;
3096		image_size -= data_written;
3097	}
3098
3099	if (!status) {
3100		/* Commit the FW written */
3101		status = lancer_cmd_write_object(adapter, &flash_cmd,
3102						 0, offset,
3103						 LANCER_FW_DOWNLOAD_LOCATION,
3104						 &data_written, &change_status,
3105						 &add_status);
3106	}
3107
3108	dma_free_coherent(dev, flash_cmd.size, flash_cmd.va, flash_cmd.dma);
3109	if (status) {
3110		dev_err(dev, "Firmware load error\n");
3111		return be_cmd_status(status);
3112	}
3113
3114	dev_info(dev, "Firmware flashed successfully\n");
3115
3116	if (change_status == LANCER_FW_RESET_NEEDED) {
3117		dev_info(dev, "Resetting adapter to activate new FW\n");
3118		status = lancer_physdev_ctrl(adapter,
3119					     PHYSDEV_CONTROL_FW_RESET_MASK);
3120		if (status) {
3121			dev_err(dev, "Adapter busy, could not reset FW\n");
3122			dev_err(dev, "Reboot server to activate new FW\n");
3123		}
3124	} else if (change_status != LANCER_NO_RESET_NEEDED) {
3125		dev_info(dev, "Reboot server to activate new FW\n");
3126	}
3127
3128	return 0;
3129}
3130
3131/* Check if the flash image file is compatible with the adapter that
3132 * is being flashed.
3133 */
3134static bool be_check_ufi_compatibility(struct be_adapter *adapter,
3135				       struct flash_file_hdr_g3 *fhdr)
3136{
3137	if (!fhdr) {
3138		dev_err(&adapter->pdev->dev, "Invalid FW UFI file");
3139		return false;
3140	}
3141
3142	/* First letter of the build version is used to identify
3143	 * which chip this image file is meant for.
3144	 */
3145	switch (fhdr->build[0]) {
3146	case BLD_STR_UFI_TYPE_SH:
3147		if (!skyhawk_chip(adapter))
3148			return false;
3149		break;
3150	case BLD_STR_UFI_TYPE_BE3:
3151		if (!BE3_chip(adapter))
3152			return false;
3153		break;
3154	case BLD_STR_UFI_TYPE_BE2:
3155		if (!BE2_chip(adapter))
3156			return false;
3157		break;
3158	default:
3159		return false;
3160	}
3161
3162	/* In BE3 FW images the "asic_type_rev" field doesn't track the
3163	 * asic_rev of the chips it is compatible with.
3164	 * When asic_type_rev is 0 the image is compatible only with
3165	 * pre-BE3-R chips (asic_rev < 0x10)
3166	 */
3167	if (BEx_chip(adapter) && fhdr->asic_type_rev == 0)
3168		return adapter->asic_rev < 0x10;
3169	else
3170		return (fhdr->asic_type_rev >= adapter->asic_rev);
3171}
3172
3173int be_fw_download(struct be_adapter *adapter, const struct firmware *fw)
3174{
3175	struct device *dev = &adapter->pdev->dev;
3176	struct flash_file_hdr_g3 *fhdr3;
3177	struct image_hdr *img_hdr_ptr;
3178	int status = 0, i, num_imgs;
3179	struct be_dma_mem flash_cmd;
3180
3181	fhdr3 = (struct flash_file_hdr_g3 *)fw->data;
3182	if (!be_check_ufi_compatibility(adapter, fhdr3)) {
3183		dev_err(dev, "Flash image is not compatible with adapter\n");
3184		return -EINVAL;
3185	}
3186
3187	flash_cmd.size = sizeof(struct be_cmd_write_flashrom);
3188	flash_cmd.va = dma_alloc_coherent(dev, flash_cmd.size, &flash_cmd.dma,
3189					  GFP_KERNEL);
3190	if (!flash_cmd.va)
3191		return -ENOMEM;
3192
3193	num_imgs = le32_to_cpu(fhdr3->num_imgs);
3194	for (i = 0; i < num_imgs; i++) {
3195		img_hdr_ptr = (struct image_hdr *)(fw->data +
3196				(sizeof(struct flash_file_hdr_g3) +
3197				 i * sizeof(struct image_hdr)));
3198		if (!BE2_chip(adapter) &&
3199		    le32_to_cpu(img_hdr_ptr->imageid) != 1)
3200			continue;
3201
3202		if (skyhawk_chip(adapter))
3203			status = be_flash_skyhawk(adapter, fw, &flash_cmd,
3204						  num_imgs);
3205		else
3206			status = be_flash_BEx(adapter, fw, &flash_cmd,
3207					      num_imgs);
3208	}
3209
3210	dma_free_coherent(dev, flash_cmd.size, flash_cmd.va, flash_cmd.dma);
3211	if (!status)
3212		dev_info(dev, "Firmware flashed successfully\n");
3213
3214	return status;
3215}
3216
3217int be_cmd_enable_magic_wol(struct be_adapter *adapter, u8 *mac,
3218			    struct be_dma_mem *nonemb_cmd)
3219{
3220	struct be_mcc_wrb *wrb;
3221	struct be_cmd_req_acpi_wol_magic_config *req;
3222	int status;
3223
3224	spin_lock_bh(&adapter->mcc_lock);
3225
3226	wrb = wrb_from_mccq(adapter);
3227	if (!wrb) {
3228		status = -EBUSY;
3229		goto err;
3230	}
3231	req = nonemb_cmd->va;
3232
3233	be_wrb_cmd_hdr_prepare(&req->hdr, CMD_SUBSYSTEM_ETH,
3234			       OPCODE_ETH_ACPI_WOL_MAGIC_CONFIG, sizeof(*req),
3235			       wrb, nonemb_cmd);
3236	memcpy(req->magic_mac, mac, ETH_ALEN);
3237
3238	status = be_mcc_notify_wait(adapter);
3239
3240err:
3241	spin_unlock_bh(&adapter->mcc_lock);
3242	return status;
3243}
3244
3245int be_cmd_set_loopback(struct be_adapter *adapter, u8 port_num,
3246			u8 loopback_type, u8 enable)
3247{
3248	struct be_mcc_wrb *wrb;
3249	struct be_cmd_req_set_lmode *req;
3250	int status;
3251
3252	if (!be_cmd_allowed(adapter, OPCODE_LOWLEVEL_SET_LOOPBACK_MODE,
3253			    CMD_SUBSYSTEM_LOWLEVEL))
3254		return -EPERM;
3255
3256	spin_lock_bh(&adapter->mcc_lock);
3257
3258	wrb = wrb_from_mccq(adapter);
3259	if (!wrb) {
3260		status = -EBUSY;
3261		goto err_unlock;
3262	}
3263
3264	req = embedded_payload(wrb);
3265
3266	be_wrb_cmd_hdr_prepare(&req->hdr, CMD_SUBSYSTEM_LOWLEVEL,
3267			       OPCODE_LOWLEVEL_SET_LOOPBACK_MODE, sizeof(*req),
3268			       wrb, NULL);
3269
3270	req->src_port = port_num;
3271	req->dest_port = port_num;
3272	req->loopback_type = loopback_type;
3273	req->loopback_state = enable;
3274
3275	status = be_mcc_notify(adapter);
3276	if (status)
3277		goto err_unlock;
3278
3279	spin_unlock_bh(&adapter->mcc_lock);
3280
3281	if (!wait_for_completion_timeout(&adapter->et_cmd_compl,
3282					 msecs_to_jiffies(SET_LB_MODE_TIMEOUT)))
3283		status = -ETIMEDOUT;
3284
3285	return status;
3286
3287err_unlock:
3288	spin_unlock_bh(&adapter->mcc_lock);
3289	return status;
3290}
3291
3292int be_cmd_loopback_test(struct be_adapter *adapter, u32 port_num,
3293			 u32 loopback_type, u32 pkt_size, u32 num_pkts,
3294			 u64 pattern)
3295{
3296	struct be_mcc_wrb *wrb;
3297	struct be_cmd_req_loopback_test *req;
3298	struct be_cmd_resp_loopback_test *resp;
3299	int status;
3300
3301	if (!be_cmd_allowed(adapter, OPCODE_LOWLEVEL_LOOPBACK_TEST,
3302			    CMD_SUBSYSTEM_LOWLEVEL))
3303		return -EPERM;
3304
3305	spin_lock_bh(&adapter->mcc_lock);
3306
3307	wrb = wrb_from_mccq(adapter);
3308	if (!wrb) {
3309		status = -EBUSY;
3310		goto err;
3311	}
3312
3313	req = embedded_payload(wrb);
3314
3315	be_wrb_cmd_hdr_prepare(&req->hdr, CMD_SUBSYSTEM_LOWLEVEL,
3316			       OPCODE_LOWLEVEL_LOOPBACK_TEST, sizeof(*req), wrb,
3317			       NULL);
3318
3319	req->hdr.timeout = cpu_to_le32(15);
3320	req->pattern = cpu_to_le64(pattern);
3321	req->src_port = cpu_to_le32(port_num);
3322	req->dest_port = cpu_to_le32(port_num);
3323	req->pkt_size = cpu_to_le32(pkt_size);
3324	req->num_pkts = cpu_to_le32(num_pkts);
3325	req->loopback_type = cpu_to_le32(loopback_type);
3326
3327	status = be_mcc_notify(adapter);
3328	if (status)
3329		goto err;
3330
3331	spin_unlock_bh(&adapter->mcc_lock);
3332
3333	wait_for_completion(&adapter->et_cmd_compl);
3334	resp = embedded_payload(wrb);
3335	status = le32_to_cpu(resp->status);
3336
3337	return status;
3338err:
3339	spin_unlock_bh(&adapter->mcc_lock);
3340	return status;
3341}
3342
3343int be_cmd_ddr_dma_test(struct be_adapter *adapter, u64 pattern,
3344			u32 byte_cnt, struct be_dma_mem *cmd)
3345{
3346	struct be_mcc_wrb *wrb;
3347	struct be_cmd_req_ddrdma_test *req;
3348	int status;
3349	int i, j = 0;
3350
3351	if (!be_cmd_allowed(adapter, OPCODE_LOWLEVEL_HOST_DDR_DMA,
3352			    CMD_SUBSYSTEM_LOWLEVEL))
3353		return -EPERM;
3354
3355	spin_lock_bh(&adapter->mcc_lock);
3356
3357	wrb = wrb_from_mccq(adapter);
3358	if (!wrb) {
3359		status = -EBUSY;
3360		goto err;
3361	}
3362	req = cmd->va;
3363	be_wrb_cmd_hdr_prepare(&req->hdr, CMD_SUBSYSTEM_LOWLEVEL,
3364			       OPCODE_LOWLEVEL_HOST_DDR_DMA, cmd->size, wrb,
3365			       cmd);
3366
3367	req->pattern = cpu_to_le64(pattern);
3368	req->byte_count = cpu_to_le32(byte_cnt);
3369	for (i = 0; i < byte_cnt; i++) {
3370		req->snd_buff[i] = (u8)(pattern >> (j * 8));
3371		j++;
3372		if (j > 7)
3373			j = 0;
3374	}
3375
3376	status = be_mcc_notify_wait(adapter);
3377
3378	if (!status) {
3379		struct be_cmd_resp_ddrdma_test *resp;
3380
3381		resp = cmd->va;
3382		if ((memcmp(resp->rcv_buff, req->snd_buff, byte_cnt) != 0) ||
3383		    resp->snd_err) {
3384			status = -1;
3385		}
3386	}
3387
3388err:
3389	spin_unlock_bh(&adapter->mcc_lock);
3390	return status;
3391}
3392
3393int be_cmd_get_seeprom_data(struct be_adapter *adapter,
3394			    struct be_dma_mem *nonemb_cmd)
3395{
3396	struct be_mcc_wrb *wrb;
3397	struct be_cmd_req_seeprom_read *req;
3398	int status;
3399
3400	spin_lock_bh(&adapter->mcc_lock);
3401
3402	wrb = wrb_from_mccq(adapter);
3403	if (!wrb) {
3404		status = -EBUSY;
3405		goto err;
3406	}
3407	req = nonemb_cmd->va;
3408
3409	be_wrb_cmd_hdr_prepare(&req->hdr, CMD_SUBSYSTEM_COMMON,
3410			       OPCODE_COMMON_SEEPROM_READ, sizeof(*req), wrb,
3411			       nonemb_cmd);
3412
3413	status = be_mcc_notify_wait(adapter);
3414
3415err:
3416	spin_unlock_bh(&adapter->mcc_lock);
3417	return status;
3418}
3419
3420int be_cmd_get_phy_info(struct be_adapter *adapter)
3421{
3422	struct be_mcc_wrb *wrb;
3423	struct be_cmd_req_get_phy_info *req;
3424	struct be_dma_mem cmd;
3425	int status;
3426
3427	if (!be_cmd_allowed(adapter, OPCODE_COMMON_GET_PHY_DETAILS,
3428			    CMD_SUBSYSTEM_COMMON))
3429		return -EPERM;
3430
3431	spin_lock_bh(&adapter->mcc_lock);
3432
3433	wrb = wrb_from_mccq(adapter);
3434	if (!wrb) {
3435		status = -EBUSY;
3436		goto err;
3437	}
3438	cmd.size = sizeof(struct be_cmd_req_get_phy_info);
3439	cmd.va = dma_alloc_coherent(&adapter->pdev->dev, cmd.size, &cmd.dma,
3440				    GFP_ATOMIC);
3441	if (!cmd.va) {
3442		dev_err(&adapter->pdev->dev, "Memory alloc failure\n");
3443		status = -ENOMEM;
3444		goto err;
3445	}
3446
3447	req = cmd.va;
3448
3449	be_wrb_cmd_hdr_prepare(&req->hdr, CMD_SUBSYSTEM_COMMON,
3450			       OPCODE_COMMON_GET_PHY_DETAILS, sizeof(*req),
3451			       wrb, &cmd);
3452
3453	status = be_mcc_notify_wait(adapter);
3454	if (!status) {
3455		struct be_phy_info *resp_phy_info =
3456				cmd.va + sizeof(struct be_cmd_req_hdr);
3457
3458		adapter->phy.phy_type = le16_to_cpu(resp_phy_info->phy_type);
3459		adapter->phy.interface_type =
3460			le16_to_cpu(resp_phy_info->interface_type);
3461		adapter->phy.auto_speeds_supported =
3462			le16_to_cpu(resp_phy_info->auto_speeds_supported);
3463		adapter->phy.fixed_speeds_supported =
3464			le16_to_cpu(resp_phy_info->fixed_speeds_supported);
3465		adapter->phy.misc_params =
3466			le32_to_cpu(resp_phy_info->misc_params);
3467
3468		if (BE2_chip(adapter)) {
3469			adapter->phy.fixed_speeds_supported =
3470				BE_SUPPORTED_SPEED_10GBPS |
3471				BE_SUPPORTED_SPEED_1GBPS;
3472		}
3473	}
3474	dma_free_coherent(&adapter->pdev->dev, cmd.size, cmd.va, cmd.dma);
3475err:
3476	spin_unlock_bh(&adapter->mcc_lock);
3477	return status;
3478}
3479
3480static int be_cmd_set_qos(struct be_adapter *adapter, u32 bps, u32 domain)
3481{
3482	struct be_mcc_wrb *wrb;
3483	struct be_cmd_req_set_qos *req;
3484	int status;
3485
3486	spin_lock_bh(&adapter->mcc_lock);
3487
3488	wrb = wrb_from_mccq(adapter);
3489	if (!wrb) {
3490		status = -EBUSY;
3491		goto err;
3492	}
3493
3494	req = embedded_payload(wrb);
3495
3496	be_wrb_cmd_hdr_prepare(&req->hdr, CMD_SUBSYSTEM_COMMON,
3497			       OPCODE_COMMON_SET_QOS, sizeof(*req), wrb, NULL);
3498
3499	req->hdr.domain = domain;
3500	req->valid_bits = cpu_to_le32(BE_QOS_BITS_NIC);
3501	req->max_bps_nic = cpu_to_le32(bps);
3502
3503	status = be_mcc_notify_wait(adapter);
3504
3505err:
3506	spin_unlock_bh(&adapter->mcc_lock);
3507	return status;
3508}
3509
3510int be_cmd_get_cntl_attributes(struct be_adapter *adapter)
3511{
3512	struct be_mcc_wrb *wrb;
3513	struct be_cmd_req_cntl_attribs *req;
3514	struct be_cmd_resp_cntl_attribs *resp;
3515	int status, i;
3516	int payload_len = max(sizeof(*req), sizeof(*resp));
3517	struct mgmt_controller_attrib *attribs;
3518	struct be_dma_mem attribs_cmd;
3519	u32 *serial_num;
3520
3521	if (mutex_lock_interruptible(&adapter->mbox_lock))
3522		return -1;
3523
3524	memset(&attribs_cmd, 0, sizeof(struct be_dma_mem));
3525	attribs_cmd.size = sizeof(struct be_cmd_resp_cntl_attribs);
3526	attribs_cmd.va = dma_alloc_coherent(&adapter->pdev->dev,
3527					    attribs_cmd.size,
3528					    &attribs_cmd.dma, GFP_ATOMIC);
3529	if (!attribs_cmd.va) {
3530		dev_err(&adapter->pdev->dev, "Memory allocation failure\n");
3531		status = -ENOMEM;
3532		goto err;
3533	}
3534
3535	wrb = wrb_from_mbox(adapter);
3536	if (!wrb) {
3537		status = -EBUSY;
3538		goto err;
3539	}
3540	req = attribs_cmd.va;
3541
3542	be_wrb_cmd_hdr_prepare(&req->hdr, CMD_SUBSYSTEM_COMMON,
3543			       OPCODE_COMMON_GET_CNTL_ATTRIBUTES, payload_len,
3544			       wrb, &attribs_cmd);
3545
3546	status = be_mbox_notify_wait(adapter);
3547	if (!status) {
3548		attribs = attribs_cmd.va + sizeof(struct be_cmd_resp_hdr);
3549		adapter->hba_port_num = attribs->hba_attribs.phy_port;
3550		serial_num = attribs->hba_attribs.controller_serial_number;
3551		for (i = 0; i < CNTL_SERIAL_NUM_WORDS; i++)
3552			adapter->serial_num[i] = le32_to_cpu(serial_num[i]) &
3553				(BIT_MASK(16) - 1);
3554		/* For BEx, since GET_FUNC_CONFIG command is not
3555		 * supported, we read funcnum here as a workaround.
3556		 */
3557		if (BEx_chip(adapter))
3558			adapter->pf_num = attribs->hba_attribs.pci_funcnum;
3559	}
3560
3561err:
3562	mutex_unlock(&adapter->mbox_lock);
3563	if (attribs_cmd.va)
3564		dma_free_coherent(&adapter->pdev->dev, attribs_cmd.size,
3565				  attribs_cmd.va, attribs_cmd.dma);
3566	return status;
3567}
3568
3569/* Uses mbox */
3570int be_cmd_req_native_mode(struct be_adapter *adapter)
3571{
3572	struct be_mcc_wrb *wrb;
3573	struct be_cmd_req_set_func_cap *req;
3574	int status;
3575
3576	if (mutex_lock_interruptible(&adapter->mbox_lock))
3577		return -1;
3578
3579	wrb = wrb_from_mbox(adapter);
3580	if (!wrb) {
3581		status = -EBUSY;
3582		goto err;
3583	}
3584
3585	req = embedded_payload(wrb);
3586
3587	be_wrb_cmd_hdr_prepare(&req->hdr, CMD_SUBSYSTEM_COMMON,
3588			       OPCODE_COMMON_SET_DRIVER_FUNCTION_CAP,
3589			       sizeof(*req), wrb, NULL);
3590
3591	req->valid_cap_flags = cpu_to_le32(CAPABILITY_SW_TIMESTAMPS |
3592				CAPABILITY_BE3_NATIVE_ERX_API);
3593	req->cap_flags = cpu_to_le32(CAPABILITY_BE3_NATIVE_ERX_API);
3594
3595	status = be_mbox_notify_wait(adapter);
3596	if (!status) {
3597		struct be_cmd_resp_set_func_cap *resp = embedded_payload(wrb);
3598
3599		adapter->be3_native = le32_to_cpu(resp->cap_flags) &
3600					CAPABILITY_BE3_NATIVE_ERX_API;
3601		if (!adapter->be3_native)
3602			dev_warn(&adapter->pdev->dev,
3603				 "adapter not in advanced mode\n");
3604	}
3605err:
3606	mutex_unlock(&adapter->mbox_lock);
3607	return status;
3608}
3609
3610/* Get privilege(s) for a function */
3611int be_cmd_get_fn_privileges(struct be_adapter *adapter, u32 *privilege,
3612			     u32 domain)
3613{
3614	struct be_mcc_wrb *wrb;
3615	struct be_cmd_req_get_fn_privileges *req;
3616	int status;
3617
3618	spin_lock_bh(&adapter->mcc_lock);
3619
3620	wrb = wrb_from_mccq(adapter);
3621	if (!wrb) {
3622		status = -EBUSY;
3623		goto err;
3624	}
3625
3626	req = embedded_payload(wrb);
3627
3628	be_wrb_cmd_hdr_prepare(&req->hdr, CMD_SUBSYSTEM_COMMON,
3629			       OPCODE_COMMON_GET_FN_PRIVILEGES, sizeof(*req),
3630			       wrb, NULL);
3631
3632	req->hdr.domain = domain;
3633
3634	status = be_mcc_notify_wait(adapter);
3635	if (!status) {
3636		struct be_cmd_resp_get_fn_privileges *resp =
3637						embedded_payload(wrb);
3638
3639		*privilege = le32_to_cpu(resp->privilege_mask);
3640
3641		/* In UMC mode FW does not return right privileges.
3642		 * Override with correct privilege equivalent to PF.
3643		 */
3644		if (BEx_chip(adapter) && be_is_mc(adapter) &&
3645		    be_physfn(adapter))
3646			*privilege = MAX_PRIVILEGES;
3647	}
3648
3649err:
3650	spin_unlock_bh(&adapter->mcc_lock);
3651	return status;
3652}
3653
3654/* Set privilege(s) for a function */
3655int be_cmd_set_fn_privileges(struct be_adapter *adapter, u32 privileges,
3656			     u32 domain)
3657{
3658	struct be_mcc_wrb *wrb;
3659	struct be_cmd_req_set_fn_privileges *req;
3660	int status;
3661
3662	spin_lock_bh(&adapter->mcc_lock);
3663
3664	wrb = wrb_from_mccq(adapter);
3665	if (!wrb) {
3666		status = -EBUSY;
3667		goto err;
3668	}
3669
3670	req = embedded_payload(wrb);
3671	be_wrb_cmd_hdr_prepare(&req->hdr, CMD_SUBSYSTEM_COMMON,
3672			       OPCODE_COMMON_SET_FN_PRIVILEGES, sizeof(*req),
3673			       wrb, NULL);
3674	req->hdr.domain = domain;
3675	if (lancer_chip(adapter))
3676		req->privileges_lancer = cpu_to_le32(privileges);
3677	else
3678		req->privileges = cpu_to_le32(privileges);
3679
3680	status = be_mcc_notify_wait(adapter);
3681err:
3682	spin_unlock_bh(&adapter->mcc_lock);
3683	return status;
3684}
3685
3686/* pmac_id_valid: true => pmac_id is supplied and MAC address is requested.
3687 * pmac_id_valid: false => pmac_id or MAC address is requested.
3688 *		  If pmac_id is returned, pmac_id_valid is returned as true
3689 */
3690int be_cmd_get_mac_from_list(struct be_adapter *adapter, u8 *mac,
3691			     bool *pmac_id_valid, u32 *pmac_id, u32 if_handle,
3692			     u8 domain)
3693{
3694	struct be_mcc_wrb *wrb;
3695	struct be_cmd_req_get_mac_list *req;
3696	int status;
3697	int mac_count;
3698	struct be_dma_mem get_mac_list_cmd;
3699	int i;
3700
3701	memset(&get_mac_list_cmd, 0, sizeof(struct be_dma_mem));
3702	get_mac_list_cmd.size = sizeof(struct be_cmd_resp_get_mac_list);
3703	get_mac_list_cmd.va = dma_alloc_coherent(&adapter->pdev->dev,
3704						 get_mac_list_cmd.size,
3705						 &get_mac_list_cmd.dma,
3706						 GFP_ATOMIC);
3707
3708	if (!get_mac_list_cmd.va) {
3709		dev_err(&adapter->pdev->dev,
3710			"Memory allocation failure during GET_MAC_LIST\n");
3711		return -ENOMEM;
3712	}
3713
3714	spin_lock_bh(&adapter->mcc_lock);
3715
3716	wrb = wrb_from_mccq(adapter);
3717	if (!wrb) {
3718		status = -EBUSY;
3719		goto out;
3720	}
3721
3722	req = get_mac_list_cmd.va;
3723
3724	be_wrb_cmd_hdr_prepare(&req->hdr, CMD_SUBSYSTEM_COMMON,
3725			       OPCODE_COMMON_GET_MAC_LIST,
3726			       get_mac_list_cmd.size, wrb, &get_mac_list_cmd);
3727	req->hdr.domain = domain;
3728	req->mac_type = MAC_ADDRESS_TYPE_NETWORK;
3729	if (*pmac_id_valid) {
3730		req->mac_id = cpu_to_le32(*pmac_id);
3731		req->iface_id = cpu_to_le16(if_handle);
3732		req->perm_override = 0;
3733	} else {
3734		req->perm_override = 1;
3735	}
3736
3737	status = be_mcc_notify_wait(adapter);
3738	if (!status) {
3739		struct be_cmd_resp_get_mac_list *resp =
3740						get_mac_list_cmd.va;
3741
3742		if (*pmac_id_valid) {
3743			memcpy(mac, resp->macid_macaddr.mac_addr_id.macaddr,
3744			       ETH_ALEN);
3745			goto out;
3746		}
3747
3748		mac_count = resp->true_mac_count + resp->pseudo_mac_count;
3749		/* Mac list returned could contain one or more active mac_ids
3750		 * or one or more true or pseudo permanent mac addresses.
3751		 * If an active mac_id is present, return first active mac_id
3752		 * found.
3753		 */
3754		for (i = 0; i < mac_count; i++) {
3755			struct get_list_macaddr *mac_entry;
3756			u16 mac_addr_size;
3757			u32 mac_id;
3758
3759			mac_entry = &resp->macaddr_list[i];
3760			mac_addr_size = le16_to_cpu(mac_entry->mac_addr_size);
3761			/* mac_id is a 32 bit value and mac_addr size
3762			 * is 6 bytes
3763			 */
3764			if (mac_addr_size == sizeof(u32)) {
3765				*pmac_id_valid = true;
3766				mac_id = mac_entry->mac_addr_id.s_mac_id.mac_id;
3767				*pmac_id = le32_to_cpu(mac_id);
3768				goto out;
3769			}
3770		}
3771		/* If no active mac_id found, return first mac addr */
3772		*pmac_id_valid = false;
3773		memcpy(mac, resp->macaddr_list[0].mac_addr_id.macaddr,
3774		       ETH_ALEN);
3775	}
3776
3777out:
3778	spin_unlock_bh(&adapter->mcc_lock);
3779	dma_free_coherent(&adapter->pdev->dev, get_mac_list_cmd.size,
3780			  get_mac_list_cmd.va, get_mac_list_cmd.dma);
3781	return status;
3782}
3783
3784int be_cmd_get_active_mac(struct be_adapter *adapter, u32 curr_pmac_id,
3785			  u8 *mac, u32 if_handle, bool active, u32 domain)
3786{
3787	if (!active)
3788		be_cmd_get_mac_from_list(adapter, mac, &active, &curr_pmac_id,
3789					 if_handle, domain);
3790	if (BEx_chip(adapter))
3791		return be_cmd_mac_addr_query(adapter, mac, false,
3792					     if_handle, curr_pmac_id);
3793	else
3794		/* Fetch the MAC address using pmac_id */
3795		return be_cmd_get_mac_from_list(adapter, mac, &active,
3796						&curr_pmac_id,
3797						if_handle, domain);
3798}
3799
3800int be_cmd_get_perm_mac(struct be_adapter *adapter, u8 *mac)
3801{
3802	int status;
3803	bool pmac_valid = false;
3804	u32 pmac_id;
3805
3806	eth_zero_addr(mac);
3807
3808	if (BEx_chip(adapter)) {
3809		if (be_physfn(adapter))
3810			status = be_cmd_mac_addr_query(adapter, mac, true, 0,
3811						       0);
3812		else
3813			status = be_cmd_mac_addr_query(adapter, mac, false,
3814						       adapter->if_handle, 0);
3815	} else {
3816		status = be_cmd_get_mac_from_list(adapter, mac, &pmac_valid,
3817						  &pmac_id, adapter->if_handle, 0);
3818	}
3819
3820	return status;
3821}
3822
3823/* Uses synchronous MCCQ */
3824int be_cmd_set_mac_list(struct be_adapter *adapter, u8 *mac_array,
3825			u8 mac_count, u32 domain)
3826{
3827	struct be_mcc_wrb *wrb;
3828	struct be_cmd_req_set_mac_list *req;
3829	int status;
3830	struct be_dma_mem cmd;
3831
3832	memset(&cmd, 0, sizeof(struct be_dma_mem));
3833	cmd.size = sizeof(struct be_cmd_req_set_mac_list);
3834	cmd.va = dma_alloc_coherent(&adapter->pdev->dev, cmd.size, &cmd.dma,
3835				    GFP_KERNEL);
3836	if (!cmd.va)
3837		return -ENOMEM;
3838
3839	spin_lock_bh(&adapter->mcc_lock);
3840
3841	wrb = wrb_from_mccq(adapter);
3842	if (!wrb) {
3843		status = -EBUSY;
3844		goto err;
3845	}
3846
3847	req = cmd.va;
3848	be_wrb_cmd_hdr_prepare(&req->hdr, CMD_SUBSYSTEM_COMMON,
3849			       OPCODE_COMMON_SET_MAC_LIST, sizeof(*req),
3850			       wrb, &cmd);
3851
3852	req->hdr.domain = domain;
3853	req->mac_count = mac_count;
3854	if (mac_count)
3855		memcpy(req->mac, mac_array, ETH_ALEN * mac_count);
3856
3857	status = be_mcc_notify_wait(adapter);
3858
3859err:
3860	spin_unlock_bh(&adapter->mcc_lock);
3861	dma_free_coherent(&adapter->pdev->dev, cmd.size, cmd.va, cmd.dma);
3862	return status;
3863}
3864
3865/* Wrapper to delete any active MACs and provision the new mac.
3866 * Changes to MAC_LIST are allowed iff none of the MAC addresses in the
3867 * current list are active.
3868 */
3869int be_cmd_set_mac(struct be_adapter *adapter, u8 *mac, int if_id, u32 dom)
3870{
3871	bool active_mac = false;
3872	u8 old_mac[ETH_ALEN];
3873	u32 pmac_id;
3874	int status;
3875
3876	status = be_cmd_get_mac_from_list(adapter, old_mac, &active_mac,
3877					  &pmac_id, if_id, dom);
3878
3879	if (!status && active_mac)
3880		be_cmd_pmac_del(adapter, if_id, pmac_id, dom);
3881
3882	return be_cmd_set_mac_list(adapter, mac, mac ? 1 : 0, dom);
3883}
3884
3885int be_cmd_set_hsw_config(struct be_adapter *adapter, u16 pvid,
3886			  u32 domain, u16 intf_id, u16 hsw_mode, u8 spoofchk)
3887{
3888	struct be_mcc_wrb *wrb;
3889	struct be_cmd_req_set_hsw_config *req;
3890	void *ctxt;
3891	int status;
3892
3893	if (!be_cmd_allowed(adapter, OPCODE_COMMON_SET_HSW_CONFIG,
3894			    CMD_SUBSYSTEM_COMMON))
3895		return -EPERM;
3896
3897	spin_lock_bh(&adapter->mcc_lock);
3898
3899	wrb = wrb_from_mccq(adapter);
3900	if (!wrb) {
3901		status = -EBUSY;
3902		goto err;
3903	}
3904
3905	req = embedded_payload(wrb);
3906	ctxt = &req->context;
3907
3908	be_wrb_cmd_hdr_prepare(&req->hdr, CMD_SUBSYSTEM_COMMON,
3909			       OPCODE_COMMON_SET_HSW_CONFIG, sizeof(*req), wrb,
3910			       NULL);
3911
3912	req->hdr.domain = domain;
3913	AMAP_SET_BITS(struct amap_set_hsw_context, interface_id, ctxt, intf_id);
3914	if (pvid) {
3915		AMAP_SET_BITS(struct amap_set_hsw_context, pvid_valid, ctxt, 1);
3916		AMAP_SET_BITS(struct amap_set_hsw_context, pvid, ctxt, pvid);
3917	}
3918	if (hsw_mode) {
3919		AMAP_SET_BITS(struct amap_set_hsw_context, interface_id,
3920			      ctxt, adapter->hba_port_num);
3921		AMAP_SET_BITS(struct amap_set_hsw_context, pport, ctxt, 1);
3922		AMAP_SET_BITS(struct amap_set_hsw_context, port_fwd_type,
3923			      ctxt, hsw_mode);
3924	}
3925
3926	/* Enable/disable both mac and vlan spoof checking */
3927	if (!BEx_chip(adapter) && spoofchk) {
3928		AMAP_SET_BITS(struct amap_set_hsw_context, mac_spoofchk,
3929			      ctxt, spoofchk);
3930		AMAP_SET_BITS(struct amap_set_hsw_context, vlan_spoofchk,
3931			      ctxt, spoofchk);
3932	}
3933
3934	be_dws_cpu_to_le(req->context, sizeof(req->context));
3935	status = be_mcc_notify_wait(adapter);
3936
3937err:
3938	spin_unlock_bh(&adapter->mcc_lock);
3939	return status;
3940}
3941
3942/* Get Hyper switch config */
3943int be_cmd_get_hsw_config(struct be_adapter *adapter, u16 *pvid,
3944			  u32 domain, u16 intf_id, u8 *mode, bool *spoofchk)
3945{
3946	struct be_mcc_wrb *wrb;
3947	struct be_cmd_req_get_hsw_config *req;
3948	void *ctxt;
3949	int status;
3950	u16 vid;
3951
3952	spin_lock_bh(&adapter->mcc_lock);
3953
3954	wrb = wrb_from_mccq(adapter);
3955	if (!wrb) {
3956		status = -EBUSY;
3957		goto err;
3958	}
3959
3960	req = embedded_payload(wrb);
3961	ctxt = &req->context;
3962
3963	be_wrb_cmd_hdr_prepare(&req->hdr, CMD_SUBSYSTEM_COMMON,
3964			       OPCODE_COMMON_GET_HSW_CONFIG, sizeof(*req), wrb,
3965			       NULL);
3966
3967	req->hdr.domain = domain;
3968	AMAP_SET_BITS(struct amap_get_hsw_req_context, interface_id,
3969		      ctxt, intf_id);
3970	AMAP_SET_BITS(struct amap_get_hsw_req_context, pvid_valid, ctxt, 1);
3971
3972	if (!BEx_chip(adapter) && mode) {
3973		AMAP_SET_BITS(struct amap_get_hsw_req_context, interface_id,
3974			      ctxt, adapter->hba_port_num);
3975		AMAP_SET_BITS(struct amap_get_hsw_req_context, pport, ctxt, 1);
3976	}
3977	be_dws_cpu_to_le(req->context, sizeof(req->context));
3978
3979	status = be_mcc_notify_wait(adapter);
3980	if (!status) {
3981		struct be_cmd_resp_get_hsw_config *resp =
3982						embedded_payload(wrb);
3983
3984		be_dws_le_to_cpu(&resp->context, sizeof(resp->context));
3985		vid = AMAP_GET_BITS(struct amap_get_hsw_resp_context,
3986				    pvid, &resp->context);
3987		if (pvid)
3988			*pvid = le16_to_cpu(vid);
3989		if (mode)
3990			*mode = AMAP_GET_BITS(struct amap_get_hsw_resp_context,
3991					      port_fwd_type, &resp->context);
3992		if (spoofchk)
3993			*spoofchk =
3994				AMAP_GET_BITS(struct amap_get_hsw_resp_context,
3995					      spoofchk, &resp->context);
3996	}
3997
3998err:
3999	spin_unlock_bh(&adapter->mcc_lock);
4000	return status;
4001}
4002
4003static bool be_is_wol_excluded(struct be_adapter *adapter)
4004{
4005	struct pci_dev *pdev = adapter->pdev;
4006
4007	if (be_virtfn(adapter))
4008		return true;
4009
4010	switch (pdev->subsystem_device) {
4011	case OC_SUBSYS_DEVICE_ID1:
4012	case OC_SUBSYS_DEVICE_ID2:
4013	case OC_SUBSYS_DEVICE_ID3:
4014	case OC_SUBSYS_DEVICE_ID4:
4015		return true;
4016	default:
4017		return false;
4018	}
4019}
4020
4021int be_cmd_get_acpi_wol_cap(struct be_adapter *adapter)
4022{
4023	struct be_mcc_wrb *wrb;
4024	struct be_cmd_req_acpi_wol_magic_config_v1 *req;
4025	int status = 0;
4026	struct be_dma_mem cmd;
4027
4028	if (!be_cmd_allowed(adapter, OPCODE_ETH_ACPI_WOL_MAGIC_CONFIG,
4029			    CMD_SUBSYSTEM_ETH))
4030		return -EPERM;
4031
4032	if (be_is_wol_excluded(adapter))
4033		return status;
4034
4035	if (mutex_lock_interruptible(&adapter->mbox_lock))
4036		return -1;
4037
4038	memset(&cmd, 0, sizeof(struct be_dma_mem));
4039	cmd.size = sizeof(struct be_cmd_resp_acpi_wol_magic_config_v1);
4040	cmd.va = dma_alloc_coherent(&adapter->pdev->dev, cmd.size, &cmd.dma,
4041				    GFP_ATOMIC);
4042	if (!cmd.va) {
4043		dev_err(&adapter->pdev->dev, "Memory allocation failure\n");
4044		status = -ENOMEM;
4045		goto err;
4046	}
4047
4048	wrb = wrb_from_mbox(adapter);
4049	if (!wrb) {
4050		status = -EBUSY;
4051		goto err;
4052	}
4053
4054	req = cmd.va;
4055
4056	be_wrb_cmd_hdr_prepare(&req->hdr, CMD_SUBSYSTEM_ETH,
4057			       OPCODE_ETH_ACPI_WOL_MAGIC_CONFIG,
4058			       sizeof(*req), wrb, &cmd);
4059
4060	req->hdr.version = 1;
4061	req->query_options = BE_GET_WOL_CAP;
4062
4063	status = be_mbox_notify_wait(adapter);
4064	if (!status) {
4065		struct be_cmd_resp_acpi_wol_magic_config_v1 *resp;
4066
4067		resp = (struct be_cmd_resp_acpi_wol_magic_config_v1 *)cmd.va;
4068
4069		adapter->wol_cap = resp->wol_settings;
4070
4071		/* Non-zero macaddr indicates WOL is enabled */
4072		if (adapter->wol_cap & BE_WOL_CAP &&
4073		    !is_zero_ether_addr(resp->magic_mac))
4074			adapter->wol_en = true;
4075	}
4076err:
4077	mutex_unlock(&adapter->mbox_lock);
4078	if (cmd.va)
4079		dma_free_coherent(&adapter->pdev->dev, cmd.size, cmd.va,
4080				  cmd.dma);
4081	return status;
4082
4083}
4084
4085int be_cmd_set_fw_log_level(struct be_adapter *adapter, u32 level)
4086{
4087	struct be_dma_mem extfat_cmd;
4088	struct be_fat_conf_params *cfgs;
4089	int status;
4090	int i, j;
4091
4092	memset(&extfat_cmd, 0, sizeof(struct be_dma_mem));
4093	extfat_cmd.size = sizeof(struct be_cmd_resp_get_ext_fat_caps);
4094	extfat_cmd.va = dma_alloc_coherent(&adapter->pdev->dev,
4095					   extfat_cmd.size, &extfat_cmd.dma,
4096					   GFP_ATOMIC);
4097	if (!extfat_cmd.va)
4098		return -ENOMEM;
4099
4100	status = be_cmd_get_ext_fat_capabilites(adapter, &extfat_cmd);
4101	if (status)
4102		goto err;
4103
4104	cfgs = (struct be_fat_conf_params *)
4105			(extfat_cmd.va + sizeof(struct be_cmd_resp_hdr));
4106	for (i = 0; i < le32_to_cpu(cfgs->num_modules); i++) {
4107		u32 num_modes = le32_to_cpu(cfgs->module[i].num_modes);
4108
4109		for (j = 0; j < num_modes; j++) {
4110			if (cfgs->module[i].trace_lvl[j].mode == MODE_UART)
4111				cfgs->module[i].trace_lvl[j].dbg_lvl =
4112							cpu_to_le32(level);
4113		}
4114	}
4115
4116	status = be_cmd_set_ext_fat_capabilites(adapter, &extfat_cmd, cfgs);
4117err:
4118	dma_free_coherent(&adapter->pdev->dev, extfat_cmd.size, extfat_cmd.va,
4119			  extfat_cmd.dma);
4120	return status;
4121}
4122
4123int be_cmd_get_fw_log_level(struct be_adapter *adapter)
4124{
4125	struct be_dma_mem extfat_cmd;
4126	struct be_fat_conf_params *cfgs;
4127	int status, j;
4128	int level = 0;
4129
4130	memset(&extfat_cmd, 0, sizeof(struct be_dma_mem));
4131	extfat_cmd.size = sizeof(struct be_cmd_resp_get_ext_fat_caps);
4132	extfat_cmd.va = dma_alloc_coherent(&adapter->pdev->dev,
4133					   extfat_cmd.size, &extfat_cmd.dma,
4134					   GFP_ATOMIC);
4135
4136	if (!extfat_cmd.va) {
4137		dev_err(&adapter->pdev->dev, "%s: Memory allocation failure\n",
4138			__func__);
4139		goto err;
4140	}
4141
4142	status = be_cmd_get_ext_fat_capabilites(adapter, &extfat_cmd);
4143	if (!status) {
4144		cfgs = (struct be_fat_conf_params *)(extfat_cmd.va +
4145						sizeof(struct be_cmd_resp_hdr));
4146
4147		for (j = 0; j < le32_to_cpu(cfgs->module[0].num_modes); j++) {
4148			if (cfgs->module[0].trace_lvl[j].mode == MODE_UART)
4149				level = cfgs->module[0].trace_lvl[j].dbg_lvl;
4150		}
4151	}
4152	dma_free_coherent(&adapter->pdev->dev, extfat_cmd.size, extfat_cmd.va,
4153			  extfat_cmd.dma);
4154err:
4155	return level;
4156}
4157
4158int be_cmd_get_ext_fat_capabilites(struct be_adapter *adapter,
4159				   struct be_dma_mem *cmd)
4160{
4161	struct be_mcc_wrb *wrb;
4162	struct be_cmd_req_get_ext_fat_caps *req;
4163	int status;
4164
4165	if (!be_cmd_allowed(adapter, OPCODE_COMMON_GET_EXT_FAT_CAPABILITIES,
4166			    CMD_SUBSYSTEM_COMMON))
4167		return -EPERM;
4168
4169	if (mutex_lock_interruptible(&adapter->mbox_lock))
4170		return -1;
4171
4172	wrb = wrb_from_mbox(adapter);
4173	if (!wrb) {
4174		status = -EBUSY;
4175		goto err;
4176	}
4177
4178	req = cmd->va;
4179	be_wrb_cmd_hdr_prepare(&req->hdr, CMD_SUBSYSTEM_COMMON,
4180			       OPCODE_COMMON_GET_EXT_FAT_CAPABILITIES,
4181			       cmd->size, wrb, cmd);
4182	req->parameter_type = cpu_to_le32(1);
4183
4184	status = be_mbox_notify_wait(adapter);
4185err:
4186	mutex_unlock(&adapter->mbox_lock);
4187	return status;
4188}
4189
4190int be_cmd_set_ext_fat_capabilites(struct be_adapter *adapter,
4191				   struct be_dma_mem *cmd,
4192				   struct be_fat_conf_params *configs)
4193{
4194	struct be_mcc_wrb *wrb;
4195	struct be_cmd_req_set_ext_fat_caps *req;
4196	int status;
4197
4198	spin_lock_bh(&adapter->mcc_lock);
4199
4200	wrb = wrb_from_mccq(adapter);
4201	if (!wrb) {
4202		status = -EBUSY;
4203		goto err;
4204	}
4205
4206	req = cmd->va;
4207	memcpy(&req->set_params, configs, sizeof(struct be_fat_conf_params));
4208	be_wrb_cmd_hdr_prepare(&req->hdr, CMD_SUBSYSTEM_COMMON,
4209			       OPCODE_COMMON_SET_EXT_FAT_CAPABILITIES,
4210			       cmd->size, wrb, cmd);
4211
4212	status = be_mcc_notify_wait(adapter);
4213err:
4214	spin_unlock_bh(&adapter->mcc_lock);
4215	return status;
4216}
4217
4218int be_cmd_query_port_name(struct be_adapter *adapter)
4219{
4220	struct be_cmd_req_get_port_name *req;
4221	struct be_mcc_wrb *wrb;
4222	int status;
4223
4224	if (mutex_lock_interruptible(&adapter->mbox_lock))
4225		return -1;
4226
4227	wrb = wrb_from_mbox(adapter);
4228	req = embedded_payload(wrb);
4229
4230	be_wrb_cmd_hdr_prepare(&req->hdr, CMD_SUBSYSTEM_COMMON,
4231			       OPCODE_COMMON_GET_PORT_NAME, sizeof(*req), wrb,
4232			       NULL);
4233	if (!BEx_chip(adapter))
4234		req->hdr.version = 1;
4235
4236	status = be_mbox_notify_wait(adapter);
4237	if (!status) {
4238		struct be_cmd_resp_get_port_name *resp = embedded_payload(wrb);
4239
4240		adapter->port_name = resp->port_name[adapter->hba_port_num];
4241	} else {
4242		adapter->port_name = adapter->hba_port_num + '0';
4243	}
4244
4245	mutex_unlock(&adapter->mbox_lock);
4246	return status;
4247}
4248
4249/* When more than 1 NIC descriptor is present in the descriptor list,
4250 * the caller must specify the pf_num to obtain the NIC descriptor
4251 * corresponding to its pci function.
4252 * get_vft must be true when the caller wants the VF-template desc of the
4253 * PF-pool.
4254 * The pf_num should be set to PF_NUM_IGNORE when the caller knows
4255 * that only it's NIC descriptor is present in the descriptor list.
4256 */
4257static struct be_nic_res_desc *be_get_nic_desc(u8 *buf, u32 desc_count,
4258					       bool get_vft, u8 pf_num)
4259{
4260	struct be_res_desc_hdr *hdr = (struct be_res_desc_hdr *)buf;
4261	struct be_nic_res_desc *nic;
4262	int i;
4263
4264	for (i = 0; i < desc_count; i++) {
4265		if (hdr->desc_type == NIC_RESOURCE_DESC_TYPE_V0 ||
4266		    hdr->desc_type == NIC_RESOURCE_DESC_TYPE_V1) {
4267			nic = (struct be_nic_res_desc *)hdr;
4268
4269			if ((pf_num == PF_NUM_IGNORE ||
4270			     nic->pf_num == pf_num) &&
4271			    (!get_vft || nic->flags & BIT(VFT_SHIFT)))
4272				return nic;
4273		}
4274		hdr->desc_len = hdr->desc_len ? : RESOURCE_DESC_SIZE_V0;
4275		hdr = (void *)hdr + hdr->desc_len;
4276	}
4277	return NULL;
4278}
4279
4280static struct be_nic_res_desc *be_get_vft_desc(u8 *buf, u32 desc_count,
4281					       u8 pf_num)
4282{
4283	return be_get_nic_desc(buf, desc_count, true, pf_num);
4284}
4285
4286static struct be_nic_res_desc *be_get_func_nic_desc(u8 *buf, u32 desc_count,
4287						    u8 pf_num)
4288{
4289	return be_get_nic_desc(buf, desc_count, false, pf_num);
4290}
4291
4292static struct be_pcie_res_desc *be_get_pcie_desc(u8 *buf, u32 desc_count,
4293						 u8 pf_num)
4294{
4295	struct be_res_desc_hdr *hdr = (struct be_res_desc_hdr *)buf;
4296	struct be_pcie_res_desc *pcie;
4297	int i;
4298
4299	for (i = 0; i < desc_count; i++) {
4300		if (hdr->desc_type == PCIE_RESOURCE_DESC_TYPE_V0 ||
4301		    hdr->desc_type == PCIE_RESOURCE_DESC_TYPE_V1) {
4302			pcie = (struct be_pcie_res_desc *)hdr;
4303			if (pcie->pf_num == pf_num)
4304				return pcie;
4305		}
4306
4307		hdr->desc_len = hdr->desc_len ? : RESOURCE_DESC_SIZE_V0;
4308		hdr = (void *)hdr + hdr->desc_len;
4309	}
4310	return NULL;
4311}
4312
4313static struct be_port_res_desc *be_get_port_desc(u8 *buf, u32 desc_count)
4314{
4315	struct be_res_desc_hdr *hdr = (struct be_res_desc_hdr *)buf;
4316	int i;
4317
4318	for (i = 0; i < desc_count; i++) {
4319		if (hdr->desc_type == PORT_RESOURCE_DESC_TYPE_V1)
4320			return (struct be_port_res_desc *)hdr;
4321
4322		hdr->desc_len = hdr->desc_len ? : RESOURCE_DESC_SIZE_V0;
4323		hdr = (void *)hdr + hdr->desc_len;
4324	}
4325	return NULL;
4326}
4327
4328static void be_copy_nic_desc(struct be_resources *res,
4329			     struct be_nic_res_desc *desc)
4330{
4331	res->max_uc_mac = le16_to_cpu(desc->unicast_mac_count);
4332	res->max_vlans = le16_to_cpu(desc->vlan_count);
4333	res->max_mcast_mac = le16_to_cpu(desc->mcast_mac_count);
4334	res->max_tx_qs = le16_to_cpu(desc->txq_count);
4335	res->max_rss_qs = le16_to_cpu(desc->rssq_count);
4336	res->max_rx_qs = le16_to_cpu(desc->rq_count);
4337	res->max_evt_qs = le16_to_cpu(desc->eq_count);
4338	res->max_cq_count = le16_to_cpu(desc->cq_count);
4339	res->max_iface_count = le16_to_cpu(desc->iface_count);
4340	res->max_mcc_count = le16_to_cpu(desc->mcc_count);
4341	/* Clear flags that driver is not interested in */
4342	res->if_cap_flags = le32_to_cpu(desc->cap_flags) &
4343				BE_IF_CAP_FLAGS_WANT;
4344}
4345
4346/* Uses Mbox */
4347int be_cmd_get_func_config(struct be_adapter *adapter, struct be_resources *res)
4348{
4349	struct be_mcc_wrb *wrb;
4350	struct be_cmd_req_get_func_config *req;
4351	int status;
4352	struct be_dma_mem cmd;
4353
4354	if (mutex_lock_interruptible(&adapter->mbox_lock))
4355		return -1;
4356
4357	memset(&cmd, 0, sizeof(struct be_dma_mem));
4358	cmd.size = sizeof(struct be_cmd_resp_get_func_config);
4359	cmd.va = dma_alloc_coherent(&adapter->pdev->dev, cmd.size, &cmd.dma,
4360				    GFP_ATOMIC);
4361	if (!cmd.va) {
4362		dev_err(&adapter->pdev->dev, "Memory alloc failure\n");
4363		status = -ENOMEM;
4364		goto err;
4365	}
4366
4367	wrb = wrb_from_mbox(adapter);
4368	if (!wrb) {
4369		status = -EBUSY;
4370		goto err;
4371	}
4372
4373	req = cmd.va;
4374
4375	be_wrb_cmd_hdr_prepare(&req->hdr, CMD_SUBSYSTEM_COMMON,
4376			       OPCODE_COMMON_GET_FUNC_CONFIG,
4377			       cmd.size, wrb, &cmd);
4378
4379	if (skyhawk_chip(adapter))
4380		req->hdr.version = 1;
4381
4382	status = be_mbox_notify_wait(adapter);
4383	if (!status) {
4384		struct be_cmd_resp_get_func_config *resp = cmd.va;
4385		u32 desc_count = le32_to_cpu(resp->desc_count);
4386		struct be_nic_res_desc *desc;
4387
4388		/* GET_FUNC_CONFIG returns resource descriptors of the
4389		 * current function only. So, pf_num should be set to
4390		 * PF_NUM_IGNORE.
4391		 */
4392		desc = be_get_func_nic_desc(resp->func_param, desc_count,
4393					    PF_NUM_IGNORE);
4394		if (!desc) {
4395			status = -EINVAL;
4396			goto err;
4397		}
4398
4399		/* Store pf_num & vf_num for later use in GET_PROFILE_CONFIG */
4400		adapter->pf_num = desc->pf_num;
4401		adapter->vf_num = desc->vf_num;
4402
4403		if (res)
4404			be_copy_nic_desc(res, desc);
4405	}
4406err:
4407	mutex_unlock(&adapter->mbox_lock);
4408	if (cmd.va)
4409		dma_free_coherent(&adapter->pdev->dev, cmd.size, cmd.va,
4410				  cmd.dma);
4411	return status;
4412}
4413
4414/* This routine returns a list of all the NIC PF_nums in the adapter */
4415static u16 be_get_nic_pf_num_list(u8 *buf, u32 desc_count, u16 *nic_pf_nums)
4416{
4417	struct be_res_desc_hdr *hdr = (struct be_res_desc_hdr *)buf;
4418	struct be_pcie_res_desc *pcie = NULL;
4419	int i;
4420	u16 nic_pf_count = 0;
4421
4422	for (i = 0; i < desc_count; i++) {
4423		if (hdr->desc_type == PCIE_RESOURCE_DESC_TYPE_V0 ||
4424		    hdr->desc_type == PCIE_RESOURCE_DESC_TYPE_V1) {
4425			pcie = (struct be_pcie_res_desc *)hdr;
4426			if (pcie->pf_state && (pcie->pf_type == MISSION_NIC ||
4427					       pcie->pf_type == MISSION_RDMA)) {
4428				nic_pf_nums[nic_pf_count++] = pcie->pf_num;
4429			}
4430		}
4431
4432		hdr->desc_len = hdr->desc_len ? : RESOURCE_DESC_SIZE_V0;
4433		hdr = (void *)hdr + hdr->desc_len;
4434	}
4435	return nic_pf_count;
4436}
4437
4438/* Will use MBOX only if MCCQ has not been created */
4439int be_cmd_get_profile_config(struct be_adapter *adapter,
4440			      struct be_resources *res,
4441			      struct be_port_resources *port_res,
4442			      u8 profile_type, u8 query, u8 domain)
4443{
4444	struct be_cmd_resp_get_profile_config *resp;
4445	struct be_cmd_req_get_profile_config *req;
4446	struct be_nic_res_desc *vf_res;
4447	struct be_pcie_res_desc *pcie;
4448	struct be_port_res_desc *port;
4449	struct be_nic_res_desc *nic;
4450	struct be_mcc_wrb wrb = {0};
4451	struct be_dma_mem cmd;
4452	u16 desc_count;
4453	int status;
4454
4455	memset(&cmd, 0, sizeof(struct be_dma_mem));
4456	cmd.size = sizeof(struct be_cmd_resp_get_profile_config);
4457	cmd.va = dma_alloc_coherent(&adapter->pdev->dev, cmd.size, &cmd.dma,
4458				    GFP_ATOMIC);
4459	if (!cmd.va)
4460		return -ENOMEM;
4461
4462	req = cmd.va;
4463	be_wrb_cmd_hdr_prepare(&req->hdr, CMD_SUBSYSTEM_COMMON,
4464			       OPCODE_COMMON_GET_PROFILE_CONFIG,
4465			       cmd.size, &wrb, &cmd);
4466
4467	if (!lancer_chip(adapter))
4468		req->hdr.version = 1;
4469	req->type = profile_type;
4470	req->hdr.domain = domain;
4471
4472	/* When QUERY_MODIFIABLE_FIELDS_TYPE bit is set, cmd returns the
4473	 * descriptors with all bits set to "1" for the fields which can be
4474	 * modified using SET_PROFILE_CONFIG cmd.
4475	 */
4476	if (query == RESOURCE_MODIFIABLE)
4477		req->type |= QUERY_MODIFIABLE_FIELDS_TYPE;
4478
4479	status = be_cmd_notify_wait(adapter, &wrb);
4480	if (status)
4481		goto err;
4482
4483	resp = cmd.va;
4484	desc_count = le16_to_cpu(resp->desc_count);
4485
4486	if (port_res) {
4487		u16 nic_pf_cnt = 0, i;
4488		u16 nic_pf_num_list[MAX_NIC_FUNCS];
4489
4490		nic_pf_cnt = be_get_nic_pf_num_list(resp->func_param,
4491						    desc_count,
4492						    nic_pf_num_list);
4493
4494		for (i = 0; i < nic_pf_cnt; i++) {
4495			nic = be_get_func_nic_desc(resp->func_param, desc_count,
4496						   nic_pf_num_list[i]);
4497			if (nic->link_param == adapter->port_num) {
4498				port_res->nic_pfs++;
4499				pcie = be_get_pcie_desc(resp->func_param,
4500							desc_count,
4501							nic_pf_num_list[i]);
4502				port_res->max_vfs += le16_to_cpu(pcie->num_vfs);
4503			}
4504		}
4505		goto err;
4506	}
4507
4508	pcie = be_get_pcie_desc(resp->func_param, desc_count,
4509				adapter->pf_num);
4510	if (pcie)
4511		res->max_vfs = le16_to_cpu(pcie->num_vfs);
4512
4513	port = be_get_port_desc(resp->func_param, desc_count);
4514	if (port)
4515		adapter->mc_type = port->mc_type;
4516
4517	nic = be_get_func_nic_desc(resp->func_param, desc_count,
4518				   adapter->pf_num);
4519	if (nic)
4520		be_copy_nic_desc(res, nic);
4521
4522	vf_res = be_get_vft_desc(resp->func_param, desc_count,
4523				 adapter->pf_num);
4524	if (vf_res)
4525		res->vf_if_cap_flags = vf_res->cap_flags;
4526err:
4527	if (cmd.va)
4528		dma_free_coherent(&adapter->pdev->dev, cmd.size, cmd.va,
4529				  cmd.dma);
4530	return status;
4531}
4532
4533/* Will use MBOX only if MCCQ has not been created */
4534static int be_cmd_set_profile_config(struct be_adapter *adapter, void *desc,
4535				     int size, int count, u8 version, u8 domain)
4536{
4537	struct be_cmd_req_set_profile_config *req;
4538	struct be_mcc_wrb wrb = {0};
4539	struct be_dma_mem cmd;
4540	int status;
4541
4542	memset(&cmd, 0, sizeof(struct be_dma_mem));
4543	cmd.size = sizeof(struct be_cmd_req_set_profile_config);
4544	cmd.va = dma_alloc_coherent(&adapter->pdev->dev, cmd.size, &cmd.dma,
4545				    GFP_ATOMIC);
4546	if (!cmd.va)
4547		return -ENOMEM;
4548
4549	req = cmd.va;
4550	be_wrb_cmd_hdr_prepare(&req->hdr, CMD_SUBSYSTEM_COMMON,
4551			       OPCODE_COMMON_SET_PROFILE_CONFIG, cmd.size,
4552			       &wrb, &cmd);
4553	req->hdr.version = version;
4554	req->hdr.domain = domain;
4555	req->desc_count = cpu_to_le32(count);
4556	memcpy(req->desc, desc, size);
4557
4558	status = be_cmd_notify_wait(adapter, &wrb);
4559
4560	if (cmd.va)
4561		dma_free_coherent(&adapter->pdev->dev, cmd.size, cmd.va,
4562				  cmd.dma);
4563	return status;
4564}
4565
4566/* Mark all fields invalid */
4567static void be_reset_nic_desc(struct be_nic_res_desc *nic)
4568{
4569	memset(nic, 0, sizeof(*nic));
4570	nic->unicast_mac_count = 0xFFFF;
4571	nic->mcc_count = 0xFFFF;
4572	nic->vlan_count = 0xFFFF;
4573	nic->mcast_mac_count = 0xFFFF;
4574	nic->txq_count = 0xFFFF;
4575	nic->rq_count = 0xFFFF;
4576	nic->rssq_count = 0xFFFF;
4577	nic->lro_count = 0xFFFF;
4578	nic->cq_count = 0xFFFF;
4579	nic->toe_conn_count = 0xFFFF;
4580	nic->eq_count = 0xFFFF;
4581	nic->iface_count = 0xFFFF;
4582	nic->link_param = 0xFF;
4583	nic->channel_id_param = cpu_to_le16(0xF000);
4584	nic->acpi_params = 0xFF;
4585	nic->wol_param = 0x0F;
4586	nic->tunnel_iface_count = 0xFFFF;
4587	nic->direct_tenant_iface_count = 0xFFFF;
4588	nic->bw_min = 0xFFFFFFFF;
4589	nic->bw_max = 0xFFFFFFFF;
4590}
4591
4592/* Mark all fields invalid */
4593static void be_reset_pcie_desc(struct be_pcie_res_desc *pcie)
4594{
4595	memset(pcie, 0, sizeof(*pcie));
4596	pcie->sriov_state = 0xFF;
4597	pcie->pf_state = 0xFF;
4598	pcie->pf_type = 0xFF;
4599	pcie->num_vfs = 0xFFFF;
4600}
4601
4602int be_cmd_config_qos(struct be_adapter *adapter, u32 max_rate, u16 link_speed,
4603		      u8 domain)
4604{
4605	struct be_nic_res_desc nic_desc;
4606	u32 bw_percent;
4607	u16 version = 0;
4608
4609	if (BE3_chip(adapter))
4610		return be_cmd_set_qos(adapter, max_rate / 10, domain);
4611
4612	be_reset_nic_desc(&nic_desc);
4613	nic_desc.pf_num = adapter->pf_num;
4614	nic_desc.vf_num = domain;
4615	nic_desc.bw_min = 0;
4616	if (lancer_chip(adapter)) {
4617		nic_desc.hdr.desc_type = NIC_RESOURCE_DESC_TYPE_V0;
4618		nic_desc.hdr.desc_len = RESOURCE_DESC_SIZE_V0;
4619		nic_desc.flags = (1 << QUN_SHIFT) | (1 << IMM_SHIFT) |
4620					(1 << NOSV_SHIFT);
4621		nic_desc.bw_max = cpu_to_le32(max_rate / 10);
4622	} else {
4623		version = 1;
4624		nic_desc.hdr.desc_type = NIC_RESOURCE_DESC_TYPE_V1;
4625		nic_desc.hdr.desc_len = RESOURCE_DESC_SIZE_V1;
4626		nic_desc.flags = (1 << IMM_SHIFT) | (1 << NOSV_SHIFT);
4627		bw_percent = max_rate ? (max_rate * 100) / link_speed : 100;
4628		nic_desc.bw_max = cpu_to_le32(bw_percent);
4629	}
4630
4631	return be_cmd_set_profile_config(adapter, &nic_desc,
4632					 nic_desc.hdr.desc_len,
4633					 1, version, domain);
4634}
4635
4636int be_cmd_set_sriov_config(struct be_adapter *adapter,
4637			    struct be_resources pool_res, u16 num_vfs,
4638			    struct be_resources *vft_res)
4639{
4640	struct {
4641		struct be_pcie_res_desc pcie;
4642		struct be_nic_res_desc nic_vft;
4643	} __packed desc;
4644
4645	/* PF PCIE descriptor */
4646	be_reset_pcie_desc(&desc.pcie);
4647	desc.pcie.hdr.desc_type = PCIE_RESOURCE_DESC_TYPE_V1;
4648	desc.pcie.hdr.desc_len = RESOURCE_DESC_SIZE_V1;
4649	desc.pcie.flags = BIT(IMM_SHIFT) | BIT(NOSV_SHIFT);
4650	desc.pcie.pf_num = adapter->pdev->devfn;
4651	desc.pcie.sriov_state = num_vfs ? 1 : 0;
4652	desc.pcie.num_vfs = cpu_to_le16(num_vfs);
4653
4654	/* VF NIC Template descriptor */
4655	be_reset_nic_desc(&desc.nic_vft);
4656	desc.nic_vft.hdr.desc_type = NIC_RESOURCE_DESC_TYPE_V1;
4657	desc.nic_vft.hdr.desc_len = RESOURCE_DESC_SIZE_V1;
4658	desc.nic_vft.flags = vft_res->flags | BIT(VFT_SHIFT) |
4659			     BIT(IMM_SHIFT) | BIT(NOSV_SHIFT);
4660	desc.nic_vft.pf_num = adapter->pdev->devfn;
4661	desc.nic_vft.vf_num = 0;
4662	desc.nic_vft.cap_flags = cpu_to_le32(vft_res->vf_if_cap_flags);
4663	desc.nic_vft.rq_count = cpu_to_le16(vft_res->max_rx_qs);
4664	desc.nic_vft.txq_count = cpu_to_le16(vft_res->max_tx_qs);
4665	desc.nic_vft.rssq_count = cpu_to_le16(vft_res->max_rss_qs);
4666	desc.nic_vft.cq_count = cpu_to_le16(vft_res->max_cq_count);
4667
4668	if (vft_res->max_uc_mac)
4669		desc.nic_vft.unicast_mac_count =
4670					cpu_to_le16(vft_res->max_uc_mac);
4671	if (vft_res->max_vlans)
4672		desc.nic_vft.vlan_count = cpu_to_le16(vft_res->max_vlans);
4673	if (vft_res->max_iface_count)
4674		desc.nic_vft.iface_count =
4675				cpu_to_le16(vft_res->max_iface_count);
4676	if (vft_res->max_mcc_count)
4677		desc.nic_vft.mcc_count = cpu_to_le16(vft_res->max_mcc_count);
4678
4679	return be_cmd_set_profile_config(adapter, &desc,
4680					 2 * RESOURCE_DESC_SIZE_V1, 2, 1, 0);
4681}
4682
4683int be_cmd_manage_iface(struct be_adapter *adapter, u32 iface, u8 op)
4684{
4685	struct be_mcc_wrb *wrb;
4686	struct be_cmd_req_manage_iface_filters *req;
4687	int status;
4688
4689	if (iface == 0xFFFFFFFF)
4690		return -1;
4691
4692	spin_lock_bh(&adapter->mcc_lock);
4693
4694	wrb = wrb_from_mccq(adapter);
4695	if (!wrb) {
4696		status = -EBUSY;
4697		goto err;
4698	}
4699	req = embedded_payload(wrb);
4700
4701	be_wrb_cmd_hdr_prepare(&req->hdr, CMD_SUBSYSTEM_COMMON,
4702			       OPCODE_COMMON_MANAGE_IFACE_FILTERS, sizeof(*req),
4703			       wrb, NULL);
4704	req->op = op;
4705	req->target_iface_id = cpu_to_le32(iface);
4706
4707	status = be_mcc_notify_wait(adapter);
4708err:
4709	spin_unlock_bh(&adapter->mcc_lock);
4710	return status;
4711}
4712
4713int be_cmd_set_vxlan_port(struct be_adapter *adapter, __be16 port)
4714{
4715	struct be_port_res_desc port_desc;
4716
4717	memset(&port_desc, 0, sizeof(port_desc));
4718	port_desc.hdr.desc_type = PORT_RESOURCE_DESC_TYPE_V1;
4719	port_desc.hdr.desc_len = RESOURCE_DESC_SIZE_V1;
4720	port_desc.flags = (1 << IMM_SHIFT) | (1 << NOSV_SHIFT);
4721	port_desc.link_num = adapter->hba_port_num;
4722	if (port) {
4723		port_desc.nv_flags = NV_TYPE_VXLAN | (1 << SOCVID_SHIFT) |
4724					(1 << RCVID_SHIFT);
4725		port_desc.nv_port = swab16(port);
4726	} else {
4727		port_desc.nv_flags = NV_TYPE_DISABLED;
4728		port_desc.nv_port = 0;
4729	}
4730
4731	return be_cmd_set_profile_config(adapter, &port_desc,
4732					 RESOURCE_DESC_SIZE_V1, 1, 1, 0);
4733}
4734
4735int be_cmd_get_if_id(struct be_adapter *adapter, struct be_vf_cfg *vf_cfg,
4736		     int vf_num)
4737{
4738	struct be_mcc_wrb *wrb;
4739	struct be_cmd_req_get_iface_list *req;
4740	struct be_cmd_resp_get_iface_list *resp;
4741	int status;
4742
4743	spin_lock_bh(&adapter->mcc_lock);
4744
4745	wrb = wrb_from_mccq(adapter);
4746	if (!wrb) {
4747		status = -EBUSY;
4748		goto err;
4749	}
4750	req = embedded_payload(wrb);
4751
4752	be_wrb_cmd_hdr_prepare(&req->hdr, CMD_SUBSYSTEM_COMMON,
4753			       OPCODE_COMMON_GET_IFACE_LIST, sizeof(*resp),
4754			       wrb, NULL);
4755	req->hdr.domain = vf_num + 1;
4756
4757	status = be_mcc_notify_wait(adapter);
4758	if (!status) {
4759		resp = (struct be_cmd_resp_get_iface_list *)req;
4760		vf_cfg->if_handle = le32_to_cpu(resp->if_desc.if_id);
4761	}
4762
4763err:
4764	spin_unlock_bh(&adapter->mcc_lock);
4765	return status;
4766}
4767
4768static int lancer_wait_idle(struct be_adapter *adapter)
4769{
4770#define SLIPORT_IDLE_TIMEOUT 30
4771	u32 reg_val;
4772	int status = 0, i;
4773
4774	for (i = 0; i < SLIPORT_IDLE_TIMEOUT; i++) {
4775		reg_val = ioread32(adapter->db + PHYSDEV_CONTROL_OFFSET);
4776		if ((reg_val & PHYSDEV_CONTROL_INP_MASK) == 0)
4777			break;
4778
4779		ssleep(1);
4780	}
4781
4782	if (i == SLIPORT_IDLE_TIMEOUT)
4783		status = -1;
4784
4785	return status;
4786}
4787
4788int lancer_physdev_ctrl(struct be_adapter *adapter, u32 mask)
4789{
4790	int status = 0;
4791
4792	status = lancer_wait_idle(adapter);
4793	if (status)
4794		return status;
4795
4796	iowrite32(mask, adapter->db + PHYSDEV_CONTROL_OFFSET);
4797
4798	return status;
4799}
4800
4801/* Routine to check whether dump image is present or not */
4802bool dump_present(struct be_adapter *adapter)
4803{
4804	u32 sliport_status = 0;
4805
4806	sliport_status = ioread32(adapter->db + SLIPORT_STATUS_OFFSET);
4807	return !!(sliport_status & SLIPORT_STATUS_DIP_MASK);
4808}
4809
4810int lancer_initiate_dump(struct be_adapter *adapter)
4811{
4812	struct device *dev = &adapter->pdev->dev;
4813	int status;
4814
4815	if (dump_present(adapter)) {
4816		dev_info(dev, "Previous dump not cleared, not forcing dump\n");
4817		return -EEXIST;
4818	}
4819
4820	/* give firmware reset and diagnostic dump */
4821	status = lancer_physdev_ctrl(adapter, PHYSDEV_CONTROL_FW_RESET_MASK |
4822				     PHYSDEV_CONTROL_DD_MASK);
4823	if (status < 0) {
4824		dev_err(dev, "FW reset failed\n");
4825		return status;
4826	}
4827
4828	status = lancer_wait_idle(adapter);
4829	if (status)
4830		return status;
4831
4832	if (!dump_present(adapter)) {
4833		dev_err(dev, "FW dump not generated\n");
4834		return -EIO;
4835	}
4836
4837	return 0;
4838}
4839
4840int lancer_delete_dump(struct be_adapter *adapter)
4841{
4842	int status;
4843
4844	status = lancer_cmd_delete_object(adapter, LANCER_FW_DUMP_FILE);
4845	return be_cmd_status(status);
4846}
4847
4848/* Uses sync mcc */
4849int be_cmd_enable_vf(struct be_adapter *adapter, u8 domain)
4850{
4851	struct be_mcc_wrb *wrb;
4852	struct be_cmd_enable_disable_vf *req;
4853	int status;
4854
4855	if (BEx_chip(adapter))
4856		return 0;
4857
4858	spin_lock_bh(&adapter->mcc_lock);
4859
4860	wrb = wrb_from_mccq(adapter);
4861	if (!wrb) {
4862		status = -EBUSY;
4863		goto err;
4864	}
4865
4866	req = embedded_payload(wrb);
4867
4868	be_wrb_cmd_hdr_prepare(&req->hdr, CMD_SUBSYSTEM_COMMON,
4869			       OPCODE_COMMON_ENABLE_DISABLE_VF, sizeof(*req),
4870			       wrb, NULL);
4871
4872	req->hdr.domain = domain;
4873	req->enable = 1;
4874	status = be_mcc_notify_wait(adapter);
4875err:
4876	spin_unlock_bh(&adapter->mcc_lock);
4877	return status;
4878}
4879
4880int be_cmd_intr_set(struct be_adapter *adapter, bool intr_enable)
4881{
4882	struct be_mcc_wrb *wrb;
4883	struct be_cmd_req_intr_set *req;
4884	int status;
4885
4886	if (mutex_lock_interruptible(&adapter->mbox_lock))
4887		return -1;
4888
4889	wrb = wrb_from_mbox(adapter);
4890
4891	req = embedded_payload(wrb);
4892
4893	be_wrb_cmd_hdr_prepare(&req->hdr, CMD_SUBSYSTEM_COMMON,
4894			       OPCODE_COMMON_SET_INTERRUPT_ENABLE, sizeof(*req),
4895			       wrb, NULL);
4896
4897	req->intr_enabled = intr_enable;
4898
4899	status = be_mbox_notify_wait(adapter);
4900
4901	mutex_unlock(&adapter->mbox_lock);
4902	return status;
4903}
4904
4905/* Uses MBOX */
4906int be_cmd_get_active_profile(struct be_adapter *adapter, u16 *profile_id)
4907{
4908	struct be_cmd_req_get_active_profile *req;
4909	struct be_mcc_wrb *wrb;
4910	int status;
4911
4912	if (mutex_lock_interruptible(&adapter->mbox_lock))
4913		return -1;
4914
4915	wrb = wrb_from_mbox(adapter);
4916	if (!wrb) {
4917		status = -EBUSY;
4918		goto err;
4919	}
4920
4921	req = embedded_payload(wrb);
4922
4923	be_wrb_cmd_hdr_prepare(&req->hdr, CMD_SUBSYSTEM_COMMON,
4924			       OPCODE_COMMON_GET_ACTIVE_PROFILE, sizeof(*req),
4925			       wrb, NULL);
4926
4927	status = be_mbox_notify_wait(adapter);
4928	if (!status) {
4929		struct be_cmd_resp_get_active_profile *resp =
4930							embedded_payload(wrb);
4931
4932		*profile_id = le16_to_cpu(resp->active_profile_id);
4933	}
4934
4935err:
4936	mutex_unlock(&adapter->mbox_lock);
4937	return status;
4938}
4939
4940static int
4941__be_cmd_set_logical_link_config(struct be_adapter *adapter,
4942				 int link_state, int version, u8 domain)
4943{
4944	struct be_cmd_req_set_ll_link *req;
4945	struct be_mcc_wrb *wrb;
4946	u32 link_config = 0;
4947	int status;
4948
4949	spin_lock_bh(&adapter->mcc_lock);
4950
4951	wrb = wrb_from_mccq(adapter);
4952	if (!wrb) {
4953		status = -EBUSY;
4954		goto err;
4955	}
4956
4957	req = embedded_payload(wrb);
4958
4959	be_wrb_cmd_hdr_prepare(&req->hdr, CMD_SUBSYSTEM_COMMON,
4960			       OPCODE_COMMON_SET_LOGICAL_LINK_CONFIG,
4961			       sizeof(*req), wrb, NULL);
4962
4963	req->hdr.version = version;
4964	req->hdr.domain = domain;
4965
4966	if (link_state == IFLA_VF_LINK_STATE_ENABLE ||
4967	    link_state == IFLA_VF_LINK_STATE_AUTO)
4968		link_config |= PLINK_ENABLE;
4969
4970	if (link_state == IFLA_VF_LINK_STATE_AUTO)
4971		link_config |= PLINK_TRACK;
4972
4973	req->link_config = cpu_to_le32(link_config);
4974
4975	status = be_mcc_notify_wait(adapter);
4976err:
4977	spin_unlock_bh(&adapter->mcc_lock);
4978	return status;
4979}
4980
4981int be_cmd_set_logical_link_config(struct be_adapter *adapter,
4982				   int link_state, u8 domain)
4983{
4984	int status;
4985
4986	if (BE2_chip(adapter))
4987		return -EOPNOTSUPP;
4988
4989	status = __be_cmd_set_logical_link_config(adapter, link_state,
4990						  2, domain);
4991
4992	/* Version 2 of the command will not be recognized by older FW.
4993	 * On such a failure issue version 1 of the command.
4994	 */
4995	if (base_status(status) == MCC_STATUS_ILLEGAL_REQUEST)
4996		status = __be_cmd_set_logical_link_config(adapter, link_state,
4997							  1, domain);
4998	return status;
4999}
5000
5001int be_cmd_set_features(struct be_adapter *adapter)
5002{
5003	struct be_cmd_resp_set_features *resp;
5004	struct be_cmd_req_set_features *req;
5005	struct be_mcc_wrb *wrb;
5006	int status;
5007
5008	spin_lock_bh(&adapter->mcc_lock);
5009
5010	wrb = wrb_from_mccq(adapter);
5011	if (!wrb) {
5012		status = -EBUSY;
5013		goto err;
5014	}
5015
5016	req = embedded_payload(wrb);
5017
5018	be_wrb_cmd_hdr_prepare(&req->hdr, CMD_SUBSYSTEM_COMMON,
5019			       OPCODE_COMMON_SET_FEATURES,
5020			       sizeof(*req), wrb, NULL);
5021
5022	req->features = cpu_to_le32(BE_FEATURE_UE_RECOVERY);
5023	req->parameter_len = cpu_to_le32(sizeof(struct be_req_ue_recovery));
5024	req->parameter.req.uer = cpu_to_le32(BE_UE_RECOVERY_UER_MASK);
5025
5026	status = be_mcc_notify_wait(adapter);
5027	if (status)
5028		goto err;
5029
5030	resp = embedded_payload(wrb);
5031
5032	adapter->error_recovery.ue_to_poll_time =
5033		le16_to_cpu(resp->parameter.resp.ue2rp);
5034	adapter->error_recovery.ue_to_reset_time =
5035		le16_to_cpu(resp->parameter.resp.ue2sr);
5036	adapter->error_recovery.recovery_supported = true;
5037err:
5038	/* Checking "MCC_STATUS_INVALID_LENGTH" for SKH as FW
5039	 * returns this error in older firmware versions
5040	 */
5041	if (base_status(status) == MCC_STATUS_ILLEGAL_REQUEST ||
5042	    base_status(status) == MCC_STATUS_INVALID_LENGTH)
5043		dev_info(&adapter->pdev->dev,
5044			 "Adapter does not support HW error recovery\n");
5045
5046	spin_unlock_bh(&adapter->mcc_lock);
5047	return status;
5048}
5049
5050int be_roce_mcc_cmd(void *netdev_handle, void *wrb_payload,
5051		    int wrb_payload_size, u16 *cmd_status, u16 *ext_status)
5052{
5053	struct be_adapter *adapter = netdev_priv(netdev_handle);
5054	struct be_mcc_wrb *wrb;
5055	struct be_cmd_req_hdr *hdr = (struct be_cmd_req_hdr *)wrb_payload;
5056	struct be_cmd_req_hdr *req;
5057	struct be_cmd_resp_hdr *resp;
5058	int status;
5059
5060	spin_lock_bh(&adapter->mcc_lock);
5061
5062	wrb = wrb_from_mccq(adapter);
5063	if (!wrb) {
5064		status = -EBUSY;
5065		goto err;
5066	}
5067	req = embedded_payload(wrb);
5068	resp = embedded_payload(wrb);
5069
5070	be_wrb_cmd_hdr_prepare(req, hdr->subsystem,
5071			       hdr->opcode, wrb_payload_size, wrb, NULL);
5072	memcpy(req, wrb_payload, wrb_payload_size);
5073	be_dws_cpu_to_le(req, wrb_payload_size);
5074
5075	status = be_mcc_notify_wait(adapter);
5076	if (cmd_status)
5077		*cmd_status = (status & 0xffff);
5078	if (ext_status)
5079		*ext_status = 0;
5080	memcpy(wrb_payload, resp, sizeof(*resp) + resp->response_length);
5081	be_dws_le_to_cpu(wrb_payload, sizeof(*resp) + resp->response_length);
5082err:
5083	spin_unlock_bh(&adapter->mcc_lock);
5084	return status;
5085}
5086EXPORT_SYMBOL(be_roce_mcc_cmd);
~/ Read-only file preview.