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v6.13.7
   1// SPDX-License-Identifier: (GPL-2.0-only OR BSD-3-Clause)
   2/* QLogic qed NIC Driver
   3 * Copyright (c) 2015-2017  QLogic Corporation
   4 * Copyright (c) 2019-2020 Marvell International Ltd.
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
   5 */
   6
   7#include <linux/types.h>
   8#include <asm/byteorder.h>
   9#include <linux/delay.h>
  10#include <linux/errno.h>
  11#include <linux/kernel.h>
  12#include <linux/slab.h>
  13#include <linux/spinlock.h>
  14#include <linux/string.h>
  15#include <linux/etherdevice.h>
  16#include "qed.h"
  17#include "qed_cxt.h"
  18#include "qed_dcbx.h"
  19#include "qed_hsi.h"
  20#include "qed_mfw_hsi.h"
  21#include "qed_hw.h"
  22#include "qed_mcp.h"
  23#include "qed_reg_addr.h"
  24#include "qed_sriov.h"
  25
  26#define GRCBASE_MCP     0xe00000
  27
  28#define QED_MCP_RESP_ITER_US	10
  29
  30#define QED_DRV_MB_MAX_RETRIES	(500 * 1000)	/* Account for 5 sec */
  31#define QED_MCP_RESET_RETRIES	(50 * 1000)	/* Account for 500 msec */
  32
  33#define DRV_INNER_WR(_p_hwfn, _p_ptt, _ptr, _offset, _val)	     \
  34	qed_wr(_p_hwfn, _p_ptt, (_p_hwfn->mcp_info->_ptr + (_offset)), \
  35	       _val)
  36
  37#define DRV_INNER_RD(_p_hwfn, _p_ptt, _ptr, _offset) \
  38	qed_rd(_p_hwfn, _p_ptt, (_p_hwfn->mcp_info->_ptr + (_offset)))
  39
  40#define DRV_MB_WR(_p_hwfn, _p_ptt, _field, _val)  \
  41	DRV_INNER_WR(p_hwfn, _p_ptt, drv_mb_addr, \
  42		     offsetof(struct public_drv_mb, _field), _val)
  43
  44#define DRV_MB_RD(_p_hwfn, _p_ptt, _field)	   \
  45	DRV_INNER_RD(_p_hwfn, _p_ptt, drv_mb_addr, \
  46		     offsetof(struct public_drv_mb, _field))
  47
  48#define PDA_COMP (((FW_MAJOR_VERSION) + (FW_MINOR_VERSION << 8)) << \
  49		  DRV_ID_PDA_COMP_VER_SHIFT)
  50
  51#define MCP_BYTES_PER_MBIT_SHIFT 17
  52
  53bool qed_mcp_is_init(struct qed_hwfn *p_hwfn)
  54{
  55	if (!p_hwfn->mcp_info || !p_hwfn->mcp_info->public_base)
  56		return false;
  57	return true;
  58}
  59
  60void qed_mcp_cmd_port_init(struct qed_hwfn *p_hwfn, struct qed_ptt *p_ptt)
  61{
  62	u32 addr = SECTION_OFFSIZE_ADDR(p_hwfn->mcp_info->public_base,
  63					PUBLIC_PORT);
  64	u32 mfw_mb_offsize = qed_rd(p_hwfn, p_ptt, addr);
  65
  66	p_hwfn->mcp_info->port_addr = SECTION_ADDR(mfw_mb_offsize,
  67						   MFW_PORT(p_hwfn));
  68	DP_VERBOSE(p_hwfn, QED_MSG_SP,
  69		   "port_addr = 0x%x, port_id 0x%02x\n",
  70		   p_hwfn->mcp_info->port_addr, MFW_PORT(p_hwfn));
  71}
  72
  73void qed_mcp_read_mb(struct qed_hwfn *p_hwfn, struct qed_ptt *p_ptt)
  74{
  75	u32 length = MFW_DRV_MSG_MAX_DWORDS(p_hwfn->mcp_info->mfw_mb_length);
  76	u32 tmp, i;
  77
  78	if (!p_hwfn->mcp_info->public_base)
  79		return;
  80
  81	for (i = 0; i < length; i++) {
  82		tmp = qed_rd(p_hwfn, p_ptt,
  83			     p_hwfn->mcp_info->mfw_mb_addr +
  84			     (i << 2) + sizeof(u32));
  85
  86		/* The MB data is actually BE; Need to force it to cpu */
  87		((u32 *)p_hwfn->mcp_info->mfw_mb_cur)[i] =
  88			be32_to_cpu((__force __be32)tmp);
  89	}
  90}
  91
  92struct qed_mcp_cmd_elem {
  93	struct list_head list;
  94	struct qed_mcp_mb_params *p_mb_params;
  95	u16 expected_seq_num;
  96	bool b_is_completed;
  97};
  98
  99/* Must be called while cmd_lock is acquired */
 100static struct qed_mcp_cmd_elem *
 101qed_mcp_cmd_add_elem(struct qed_hwfn *p_hwfn,
 102		     struct qed_mcp_mb_params *p_mb_params,
 103		     u16 expected_seq_num)
 104{
 105	struct qed_mcp_cmd_elem *p_cmd_elem = NULL;
 106
 107	p_cmd_elem = kzalloc(sizeof(*p_cmd_elem), GFP_ATOMIC);
 108	if (!p_cmd_elem)
 109		goto out;
 110
 111	p_cmd_elem->p_mb_params = p_mb_params;
 112	p_cmd_elem->expected_seq_num = expected_seq_num;
 113	list_add(&p_cmd_elem->list, &p_hwfn->mcp_info->cmd_list);
 114out:
 115	return p_cmd_elem;
 116}
 117
 118/* Must be called while cmd_lock is acquired */
 119static void qed_mcp_cmd_del_elem(struct qed_hwfn *p_hwfn,
 120				 struct qed_mcp_cmd_elem *p_cmd_elem)
 121{
 122	list_del(&p_cmd_elem->list);
 123	kfree(p_cmd_elem);
 124}
 125
 126/* Must be called while cmd_lock is acquired */
 127static struct qed_mcp_cmd_elem *qed_mcp_cmd_get_elem(struct qed_hwfn *p_hwfn,
 128						     u16 seq_num)
 129{
 130	struct qed_mcp_cmd_elem *p_cmd_elem = NULL;
 131
 132	list_for_each_entry(p_cmd_elem, &p_hwfn->mcp_info->cmd_list, list) {
 133		if (p_cmd_elem->expected_seq_num == seq_num)
 134			return p_cmd_elem;
 135	}
 136
 137	return NULL;
 138}
 139
 140int qed_mcp_free(struct qed_hwfn *p_hwfn)
 141{
 142	if (p_hwfn->mcp_info) {
 143		struct qed_mcp_cmd_elem *p_cmd_elem = NULL, *p_tmp;
 144
 145		kfree(p_hwfn->mcp_info->mfw_mb_cur);
 146		kfree(p_hwfn->mcp_info->mfw_mb_shadow);
 147
 148		spin_lock_bh(&p_hwfn->mcp_info->cmd_lock);
 149		list_for_each_entry_safe(p_cmd_elem,
 150					 p_tmp,
 151					 &p_hwfn->mcp_info->cmd_list, list) {
 152			qed_mcp_cmd_del_elem(p_hwfn, p_cmd_elem);
 153		}
 154		spin_unlock_bh(&p_hwfn->mcp_info->cmd_lock);
 155	}
 156
 157	kfree(p_hwfn->mcp_info);
 158	p_hwfn->mcp_info = NULL;
 159
 160	return 0;
 161}
 162
 163/* Maximum of 1 sec to wait for the SHMEM ready indication */
 164#define QED_MCP_SHMEM_RDY_MAX_RETRIES	20
 165#define QED_MCP_SHMEM_RDY_ITER_MS	50
 166
 167static int qed_load_mcp_offsets(struct qed_hwfn *p_hwfn, struct qed_ptt *p_ptt)
 168{
 169	struct qed_mcp_info *p_info = p_hwfn->mcp_info;
 170	u8 cnt = QED_MCP_SHMEM_RDY_MAX_RETRIES;
 171	u8 msec = QED_MCP_SHMEM_RDY_ITER_MS;
 172	u32 drv_mb_offsize, mfw_mb_offsize;
 173	u32 mcp_pf_id = MCP_PF_ID(p_hwfn);
 174
 175	p_info->public_base = qed_rd(p_hwfn, p_ptt, MISC_REG_SHARED_MEM_ADDR);
 176	if (!p_info->public_base) {
 177		DP_NOTICE(p_hwfn,
 178			  "The address of the MCP scratch-pad is not configured\n");
 179		return -EINVAL;
 180	}
 181
 182	p_info->public_base |= GRCBASE_MCP;
 183
 184	/* Get the MFW MB address and number of supported messages */
 185	mfw_mb_offsize = qed_rd(p_hwfn, p_ptt,
 186				SECTION_OFFSIZE_ADDR(p_info->public_base,
 187						     PUBLIC_MFW_MB));
 188	p_info->mfw_mb_addr = SECTION_ADDR(mfw_mb_offsize, mcp_pf_id);
 189	p_info->mfw_mb_length = (u16)qed_rd(p_hwfn, p_ptt,
 190					    p_info->mfw_mb_addr +
 191					    offsetof(struct public_mfw_mb,
 192						     sup_msgs));
 193
 194	/* The driver can notify that there was an MCP reset, and might read the
 195	 * SHMEM values before the MFW has completed initializing them.
 196	 * To avoid this, the "sup_msgs" field in the MFW mailbox is used as a
 197	 * data ready indication.
 198	 */
 199	while (!p_info->mfw_mb_length && --cnt) {
 200		msleep(msec);
 201		p_info->mfw_mb_length =
 202			(u16)qed_rd(p_hwfn, p_ptt,
 203				    p_info->mfw_mb_addr +
 204				    offsetof(struct public_mfw_mb, sup_msgs));
 205	}
 206
 207	if (!cnt) {
 208		DP_NOTICE(p_hwfn,
 209			  "Failed to get the SHMEM ready notification after %d msec\n",
 210			  QED_MCP_SHMEM_RDY_MAX_RETRIES * msec);
 211		return -EBUSY;
 212	}
 213
 214	/* Calculate the driver and MFW mailbox address */
 215	drv_mb_offsize = qed_rd(p_hwfn, p_ptt,
 216				SECTION_OFFSIZE_ADDR(p_info->public_base,
 217						     PUBLIC_DRV_MB));
 218	p_info->drv_mb_addr = SECTION_ADDR(drv_mb_offsize, mcp_pf_id);
 219	DP_VERBOSE(p_hwfn, QED_MSG_SP,
 220		   "drv_mb_offsiz = 0x%x, drv_mb_addr = 0x%x mcp_pf_id = 0x%x\n",
 221		   drv_mb_offsize, p_info->drv_mb_addr, mcp_pf_id);
 222
 223	/* Get the current driver mailbox sequence before sending
 224	 * the first command
 225	 */
 226	p_info->drv_mb_seq = DRV_MB_RD(p_hwfn, p_ptt, drv_mb_header) &
 227			     DRV_MSG_SEQ_NUMBER_MASK;
 228
 229	/* Get current FW pulse sequence */
 230	p_info->drv_pulse_seq = DRV_MB_RD(p_hwfn, p_ptt, drv_pulse_mb) &
 231				DRV_PULSE_SEQ_MASK;
 232
 233	p_info->mcp_hist = qed_rd(p_hwfn, p_ptt, MISCS_REG_GENERIC_POR_0);
 234
 235	return 0;
 236}
 237
 238int qed_mcp_cmd_init(struct qed_hwfn *p_hwfn, struct qed_ptt *p_ptt)
 239{
 240	struct qed_mcp_info *p_info;
 241	u32 size;
 242
 243	/* Allocate mcp_info structure */
 244	p_hwfn->mcp_info = kzalloc(sizeof(*p_hwfn->mcp_info), GFP_KERNEL);
 245	if (!p_hwfn->mcp_info)
 246		goto err;
 247	p_info = p_hwfn->mcp_info;
 248
 249	/* Initialize the MFW spinlock */
 250	spin_lock_init(&p_info->cmd_lock);
 251	spin_lock_init(&p_info->link_lock);
 252	spin_lock_init(&p_info->unload_lock);
 253
 254	INIT_LIST_HEAD(&p_info->cmd_list);
 255
 256	if (qed_load_mcp_offsets(p_hwfn, p_ptt) != 0) {
 257		DP_NOTICE(p_hwfn, "MCP is not initialized\n");
 258		/* Do not free mcp_info here, since public_base indicate that
 259		 * the MCP is not initialized
 260		 */
 261		return 0;
 262	}
 263
 264	size = MFW_DRV_MSG_MAX_DWORDS(p_info->mfw_mb_length) * sizeof(u32);
 265	p_info->mfw_mb_cur = kzalloc(size, GFP_KERNEL);
 266	p_info->mfw_mb_shadow = kzalloc(size, GFP_KERNEL);
 267	if (!p_info->mfw_mb_cur || !p_info->mfw_mb_shadow)
 268		goto err;
 269
 270	return 0;
 271
 272err:
 273	qed_mcp_free(p_hwfn);
 274	return -ENOMEM;
 275}
 276
 277static void qed_mcp_reread_offsets(struct qed_hwfn *p_hwfn,
 278				   struct qed_ptt *p_ptt)
 279{
 280	u32 generic_por_0 = qed_rd(p_hwfn, p_ptt, MISCS_REG_GENERIC_POR_0);
 281
 282	/* Use MCP history register to check if MCP reset occurred between init
 283	 * time and now.
 284	 */
 285	if (p_hwfn->mcp_info->mcp_hist != generic_por_0) {
 286		DP_VERBOSE(p_hwfn,
 287			   QED_MSG_SP,
 288			   "Rereading MCP offsets [mcp_hist 0x%08x, generic_por_0 0x%08x]\n",
 289			   p_hwfn->mcp_info->mcp_hist, generic_por_0);
 290
 291		qed_load_mcp_offsets(p_hwfn, p_ptt);
 292		qed_mcp_cmd_port_init(p_hwfn, p_ptt);
 293	}
 294}
 295
 296int qed_mcp_reset(struct qed_hwfn *p_hwfn, struct qed_ptt *p_ptt)
 297{
 298	u32 org_mcp_reset_seq, seq, delay = QED_MCP_RESP_ITER_US, cnt = 0;
 299	int rc = 0;
 300
 301	if (p_hwfn->mcp_info->b_block_cmd) {
 302		DP_NOTICE(p_hwfn,
 303			  "The MFW is not responsive. Avoid sending MCP_RESET mailbox command.\n");
 304		return -EBUSY;
 305	}
 306
 307	/* Ensure that only a single thread is accessing the mailbox */
 308	spin_lock_bh(&p_hwfn->mcp_info->cmd_lock);
 309
 310	org_mcp_reset_seq = qed_rd(p_hwfn, p_ptt, MISCS_REG_GENERIC_POR_0);
 311
 312	/* Set drv command along with the updated sequence */
 313	qed_mcp_reread_offsets(p_hwfn, p_ptt);
 314	seq = ++p_hwfn->mcp_info->drv_mb_seq;
 315	DRV_MB_WR(p_hwfn, p_ptt, drv_mb_header, (DRV_MSG_CODE_MCP_RESET | seq));
 316
 317	do {
 318		/* Wait for MFW response */
 319		udelay(delay);
 320		/* Give the FW up to 500 second (50*1000*10usec) */
 321	} while ((org_mcp_reset_seq == qed_rd(p_hwfn, p_ptt,
 322					      MISCS_REG_GENERIC_POR_0)) &&
 323		 (cnt++ < QED_MCP_RESET_RETRIES));
 324
 325	if (org_mcp_reset_seq !=
 326	    qed_rd(p_hwfn, p_ptt, MISCS_REG_GENERIC_POR_0)) {
 327		DP_VERBOSE(p_hwfn, QED_MSG_SP,
 328			   "MCP was reset after %d usec\n", cnt * delay);
 329	} else {
 330		DP_ERR(p_hwfn, "Failed to reset MCP\n");
 331		rc = -EAGAIN;
 332	}
 333
 334	spin_unlock_bh(&p_hwfn->mcp_info->cmd_lock);
 335
 336	return rc;
 337}
 338
 339/* Must be called while cmd_lock is acquired */
 340static bool qed_mcp_has_pending_cmd(struct qed_hwfn *p_hwfn)
 341{
 342	struct qed_mcp_cmd_elem *p_cmd_elem;
 343
 344	/* There is at most one pending command at a certain time, and if it
 345	 * exists - it is placed at the HEAD of the list.
 346	 */
 347	if (!list_empty(&p_hwfn->mcp_info->cmd_list)) {
 348		p_cmd_elem = list_first_entry(&p_hwfn->mcp_info->cmd_list,
 349					      struct qed_mcp_cmd_elem, list);
 350		return !p_cmd_elem->b_is_completed;
 351	}
 352
 353	return false;
 354}
 355
 356/* Must be called while cmd_lock is acquired */
 357static int
 358qed_mcp_update_pending_cmd(struct qed_hwfn *p_hwfn, struct qed_ptt *p_ptt)
 359{
 360	struct qed_mcp_mb_params *p_mb_params;
 361	struct qed_mcp_cmd_elem *p_cmd_elem;
 362	u32 mcp_resp;
 363	u16 seq_num;
 364
 365	mcp_resp = DRV_MB_RD(p_hwfn, p_ptt, fw_mb_header);
 366	seq_num = (u16)(mcp_resp & FW_MSG_SEQ_NUMBER_MASK);
 367
 368	/* Return if no new non-handled response has been received */
 369	if (seq_num != p_hwfn->mcp_info->drv_mb_seq)
 370		return -EAGAIN;
 371
 372	p_cmd_elem = qed_mcp_cmd_get_elem(p_hwfn, seq_num);
 373	if (!p_cmd_elem) {
 374		DP_ERR(p_hwfn,
 375		       "Failed to find a pending mailbox cmd that expects sequence number %d\n",
 376		       seq_num);
 377		return -EINVAL;
 378	}
 379
 380	p_mb_params = p_cmd_elem->p_mb_params;
 381
 382	/* Get the MFW response along with the sequence number */
 383	p_mb_params->mcp_resp = mcp_resp;
 384
 385	/* Get the MFW param */
 386	p_mb_params->mcp_param = DRV_MB_RD(p_hwfn, p_ptt, fw_mb_param);
 387
 388	/* Get the union data */
 389	if (p_mb_params->p_data_dst && p_mb_params->data_dst_size) {
 390		u32 union_data_addr = p_hwfn->mcp_info->drv_mb_addr +
 391				      offsetof(struct public_drv_mb,
 392					       union_data);
 393		qed_memcpy_from(p_hwfn, p_ptt, p_mb_params->p_data_dst,
 394				union_data_addr, p_mb_params->data_dst_size);
 395	}
 396
 397	p_cmd_elem->b_is_completed = true;
 398
 399	return 0;
 400}
 401
 402/* Must be called while cmd_lock is acquired */
 403static void __qed_mcp_cmd_and_union(struct qed_hwfn *p_hwfn,
 404				    struct qed_ptt *p_ptt,
 405				    struct qed_mcp_mb_params *p_mb_params,
 406				    u16 seq_num)
 407{
 408	union drv_union_data union_data;
 409	u32 union_data_addr;
 410
 411	/* Set the union data */
 412	union_data_addr = p_hwfn->mcp_info->drv_mb_addr +
 413			  offsetof(struct public_drv_mb, union_data);
 414	memset(&union_data, 0, sizeof(union_data));
 415	if (p_mb_params->p_data_src && p_mb_params->data_src_size)
 416		memcpy(&union_data, p_mb_params->p_data_src,
 417		       p_mb_params->data_src_size);
 418	qed_memcpy_to(p_hwfn, p_ptt, union_data_addr, &union_data,
 419		      sizeof(union_data));
 420
 421	/* Set the drv param */
 422	DRV_MB_WR(p_hwfn, p_ptt, drv_mb_param, p_mb_params->param);
 423
 424	/* Set the drv command along with the sequence number */
 425	DRV_MB_WR(p_hwfn, p_ptt, drv_mb_header, (p_mb_params->cmd | seq_num));
 426
 427	DP_VERBOSE(p_hwfn, QED_MSG_SP,
 428		   "MFW mailbox: command 0x%08x param 0x%08x\n",
 429		   (p_mb_params->cmd | seq_num), p_mb_params->param);
 430}
 431
 432static void qed_mcp_cmd_set_blocking(struct qed_hwfn *p_hwfn, bool block_cmd)
 433{
 434	p_hwfn->mcp_info->b_block_cmd = block_cmd;
 435
 436	DP_INFO(p_hwfn, "%s sending of mailbox commands to the MFW\n",
 437		block_cmd ? "Block" : "Unblock");
 438}
 439
 440static void qed_mcp_print_cpu_info(struct qed_hwfn *p_hwfn,
 441				   struct qed_ptt *p_ptt)
 442{
 443	u32 cpu_mode, cpu_state, cpu_pc_0, cpu_pc_1, cpu_pc_2;
 444	u32 delay = QED_MCP_RESP_ITER_US;
 445
 446	cpu_mode = qed_rd(p_hwfn, p_ptt, MCP_REG_CPU_MODE);
 447	cpu_state = qed_rd(p_hwfn, p_ptt, MCP_REG_CPU_STATE);
 448	cpu_pc_0 = qed_rd(p_hwfn, p_ptt, MCP_REG_CPU_PROGRAM_COUNTER);
 449	udelay(delay);
 450	cpu_pc_1 = qed_rd(p_hwfn, p_ptt, MCP_REG_CPU_PROGRAM_COUNTER);
 451	udelay(delay);
 452	cpu_pc_2 = qed_rd(p_hwfn, p_ptt, MCP_REG_CPU_PROGRAM_COUNTER);
 453
 454	DP_NOTICE(p_hwfn,
 455		  "MCP CPU info: mode 0x%08x, state 0x%08x, pc {0x%08x, 0x%08x, 0x%08x}\n",
 456		  cpu_mode, cpu_state, cpu_pc_0, cpu_pc_1, cpu_pc_2);
 457}
 458
 459static int
 460_qed_mcp_cmd_and_union(struct qed_hwfn *p_hwfn,
 461		       struct qed_ptt *p_ptt,
 462		       struct qed_mcp_mb_params *p_mb_params)
 
 463{
 
 464	struct qed_mcp_cmd_elem *p_cmd_elem;
 465	u16 seq_num;
 466	u32 cnt = 0;
 467	int rc = 0;
 468
 469	/* Wait until the mailbox is non-occupied */
 470	do {
 471		/* Exit the loop if there is no pending command, or if the
 472		 * pending command is completed during this iteration.
 473		 * The spinlock stays locked until the command is sent.
 474		 */
 475
 476		spin_lock_bh(&p_hwfn->mcp_info->cmd_lock);
 477
 478		if (!qed_mcp_has_pending_cmd(p_hwfn))
 479			break;
 480
 481		rc = qed_mcp_update_pending_cmd(p_hwfn, p_ptt);
 482		if (!rc)
 483			break;
 484		else if (rc != -EAGAIN)
 485			goto err;
 486
 487		spin_unlock_bh(&p_hwfn->mcp_info->cmd_lock);
 488
 489		if (QED_MB_FLAGS_IS_SET(p_mb_params, CAN_SLEEP))
 490			usleep_range(QED_MCP_RESP_ITER_US,
 491				     QED_MCP_RESP_ITER_US * 2);
 492		else
 493			udelay(QED_MCP_RESP_ITER_US);
 494	} while (++cnt < QED_DRV_MB_MAX_RETRIES);
 495
 496	if (cnt >= QED_DRV_MB_MAX_RETRIES) {
 497		DP_NOTICE(p_hwfn,
 498			  "The MFW mailbox is occupied by an uncompleted command. Failed to send command 0x%08x [param 0x%08x].\n",
 499			  p_mb_params->cmd, p_mb_params->param);
 500		return -EAGAIN;
 501	}
 502
 503	/* Send the mailbox command */
 504	qed_mcp_reread_offsets(p_hwfn, p_ptt);
 505	seq_num = ++p_hwfn->mcp_info->drv_mb_seq;
 506	p_cmd_elem = qed_mcp_cmd_add_elem(p_hwfn, p_mb_params, seq_num);
 507	if (!p_cmd_elem) {
 508		rc = -ENOMEM;
 509		goto err;
 510	}
 511
 512	__qed_mcp_cmd_and_union(p_hwfn, p_ptt, p_mb_params, seq_num);
 513	spin_unlock_bh(&p_hwfn->mcp_info->cmd_lock);
 514
 515	/* Wait for the MFW response */
 516	do {
 517		/* Exit the loop if the command is already completed, or if the
 518		 * command is completed during this iteration.
 519		 * The spinlock stays locked until the list element is removed.
 520		 */
 521
 522		if (QED_MB_FLAGS_IS_SET(p_mb_params, CAN_SLEEP))
 523			usleep_range(QED_MCP_RESP_ITER_US,
 524				     QED_MCP_RESP_ITER_US * 2);
 525		else
 526			udelay(QED_MCP_RESP_ITER_US);
 527
 528		spin_lock_bh(&p_hwfn->mcp_info->cmd_lock);
 529
 530		if (p_cmd_elem->b_is_completed)
 531			break;
 532
 533		rc = qed_mcp_update_pending_cmd(p_hwfn, p_ptt);
 534		if (!rc)
 535			break;
 536		else if (rc != -EAGAIN)
 537			goto err;
 538
 539		spin_unlock_bh(&p_hwfn->mcp_info->cmd_lock);
 540	} while (++cnt < QED_DRV_MB_MAX_RETRIES);
 541
 542	if (cnt >= QED_DRV_MB_MAX_RETRIES) {
 543		DP_NOTICE(p_hwfn,
 544			  "The MFW failed to respond to command 0x%08x [param 0x%08x].\n",
 545			  p_mb_params->cmd, p_mb_params->param);
 546		qed_mcp_print_cpu_info(p_hwfn, p_ptt);
 547
 548		spin_lock_bh(&p_hwfn->mcp_info->cmd_lock);
 549		qed_mcp_cmd_del_elem(p_hwfn, p_cmd_elem);
 550		spin_unlock_bh(&p_hwfn->mcp_info->cmd_lock);
 551
 552		if (!QED_MB_FLAGS_IS_SET(p_mb_params, AVOID_BLOCK))
 553			qed_mcp_cmd_set_blocking(p_hwfn, true);
 554
 555		qed_hw_err_notify(p_hwfn, p_ptt,
 556				  QED_HW_ERR_MFW_RESP_FAIL, NULL);
 557		return -EAGAIN;
 558	}
 559
 560	qed_mcp_cmd_del_elem(p_hwfn, p_cmd_elem);
 561	spin_unlock_bh(&p_hwfn->mcp_info->cmd_lock);
 562
 563	DP_VERBOSE(p_hwfn,
 564		   QED_MSG_SP,
 565		   "MFW mailbox: response 0x%08x param 0x%08x [after %d.%03d ms]\n",
 566		   p_mb_params->mcp_resp,
 567		   p_mb_params->mcp_param,
 568		   (cnt * QED_MCP_RESP_ITER_US) / 1000,
 569		   (cnt * QED_MCP_RESP_ITER_US) % 1000);
 570
 571	/* Clear the sequence number from the MFW response */
 572	p_mb_params->mcp_resp &= FW_MSG_CODE_MASK;
 573
 574	return 0;
 575
 576err:
 577	spin_unlock_bh(&p_hwfn->mcp_info->cmd_lock);
 578	return rc;
 579}
 580
 581static int qed_mcp_cmd_and_union(struct qed_hwfn *p_hwfn,
 582				 struct qed_ptt *p_ptt,
 583				 struct qed_mcp_mb_params *p_mb_params)
 584{
 585	size_t union_data_size = sizeof(union drv_union_data);
 
 
 586
 587	/* MCP not initialized */
 588	if (!qed_mcp_is_init(p_hwfn)) {
 589		DP_NOTICE(p_hwfn, "MFW is not initialized!\n");
 590		return -EBUSY;
 591	}
 592
 593	if (p_hwfn->mcp_info->b_block_cmd) {
 594		DP_NOTICE(p_hwfn,
 595			  "The MFW is not responsive. Avoid sending mailbox command 0x%08x [param 0x%08x].\n",
 596			  p_mb_params->cmd, p_mb_params->param);
 597		return -EBUSY;
 598	}
 599
 600	if (p_mb_params->data_src_size > union_data_size ||
 601	    p_mb_params->data_dst_size > union_data_size) {
 602		DP_ERR(p_hwfn,
 603		       "The provided size is larger than the union data size [src_size %u, dst_size %u, union_data_size %zu]\n",
 604		       p_mb_params->data_src_size,
 605		       p_mb_params->data_dst_size, union_data_size);
 606		return -EINVAL;
 607	}
 608
 609	return _qed_mcp_cmd_and_union(p_hwfn, p_ptt, p_mb_params);
 
 
 
 
 
 
 610}
 611
 612static int _qed_mcp_cmd(struct qed_hwfn *p_hwfn,
 613			struct qed_ptt *p_ptt,
 614			u32 cmd,
 615			u32 param,
 616			u32 *o_mcp_resp,
 617			u32 *o_mcp_param,
 618			bool can_sleep)
 619{
 620	struct qed_mcp_mb_params mb_params;
 621	int rc;
 622
 623	memset(&mb_params, 0, sizeof(mb_params));
 624	mb_params.cmd = cmd;
 625	mb_params.param = param;
 626	mb_params.flags = can_sleep ? QED_MB_FLAG_CAN_SLEEP : 0;
 627
 628	rc = qed_mcp_cmd_and_union(p_hwfn, p_ptt, &mb_params);
 629	if (rc)
 630		return rc;
 631
 632	*o_mcp_resp = mb_params.mcp_resp;
 633	*o_mcp_param = mb_params.mcp_param;
 634
 635	return 0;
 636}
 637
 638int qed_mcp_cmd(struct qed_hwfn *p_hwfn,
 639		struct qed_ptt *p_ptt,
 640		u32 cmd,
 641		u32 param,
 642		u32 *o_mcp_resp,
 643		u32 *o_mcp_param)
 644{
 645	return (_qed_mcp_cmd(p_hwfn, p_ptt, cmd, param,
 646			     o_mcp_resp, o_mcp_param, true));
 647}
 648
 649int qed_mcp_cmd_nosleep(struct qed_hwfn *p_hwfn,
 650			struct qed_ptt *p_ptt,
 651			u32 cmd,
 652			u32 param,
 653			u32 *o_mcp_resp,
 654			u32 *o_mcp_param)
 655{
 656	return (_qed_mcp_cmd(p_hwfn, p_ptt, cmd, param,
 657			     o_mcp_resp, o_mcp_param, false));
 658}
 659
 660static int
 661qed_mcp_nvm_wr_cmd(struct qed_hwfn *p_hwfn,
 662		   struct qed_ptt *p_ptt,
 663		   u32 cmd,
 664		   u32 param,
 665		   u32 *o_mcp_resp,
 666		   u32 *o_mcp_param, u32 i_txn_size, u32 *i_buf)
 667{
 668	struct qed_mcp_mb_params mb_params;
 669	int rc;
 670
 671	memset(&mb_params, 0, sizeof(mb_params));
 672	mb_params.cmd = cmd;
 673	mb_params.param = param;
 674	mb_params.p_data_src = i_buf;
 675	mb_params.data_src_size = (u8)i_txn_size;
 676	rc = qed_mcp_cmd_and_union(p_hwfn, p_ptt, &mb_params);
 677	if (rc)
 678		return rc;
 679
 680	*o_mcp_resp = mb_params.mcp_resp;
 681	*o_mcp_param = mb_params.mcp_param;
 682
 683	/* nvm_info needs to be updated */
 684	p_hwfn->nvm_info.valid = false;
 685
 686	return 0;
 687}
 688
 689int qed_mcp_nvm_rd_cmd(struct qed_hwfn *p_hwfn,
 690		       struct qed_ptt *p_ptt,
 691		       u32 cmd,
 692		       u32 param,
 693		       u32 *o_mcp_resp,
 694		       u32 *o_mcp_param,
 695		       u32 *o_txn_size, u32 *o_buf, bool b_can_sleep)
 696{
 697	struct qed_mcp_mb_params mb_params;
 698	u8 raw_data[MCP_DRV_NVM_BUF_LEN];
 699	int rc;
 700
 701	memset(&mb_params, 0, sizeof(mb_params));
 702	mb_params.cmd = cmd;
 703	mb_params.param = param;
 704	mb_params.p_data_dst = raw_data;
 705
 706	/* Use the maximal value since the actual one is part of the response */
 707	mb_params.data_dst_size = MCP_DRV_NVM_BUF_LEN;
 708	if (b_can_sleep)
 709		mb_params.flags = QED_MB_FLAG_CAN_SLEEP;
 710
 711	rc = qed_mcp_cmd_and_union(p_hwfn, p_ptt, &mb_params);
 712	if (rc)
 713		return rc;
 714
 715	*o_mcp_resp = mb_params.mcp_resp;
 716	*o_mcp_param = mb_params.mcp_param;
 717
 718	*o_txn_size = *o_mcp_param;
 719	memcpy(o_buf, raw_data, *o_txn_size);
 720
 721	return 0;
 722}
 723
 724static bool
 725qed_mcp_can_force_load(u8 drv_role,
 726		       u8 exist_drv_role,
 727		       enum qed_override_force_load override_force_load)
 728{
 729	bool can_force_load = false;
 730
 731	switch (override_force_load) {
 732	case QED_OVERRIDE_FORCE_LOAD_ALWAYS:
 733		can_force_load = true;
 734		break;
 735	case QED_OVERRIDE_FORCE_LOAD_NEVER:
 736		can_force_load = false;
 737		break;
 738	default:
 739		can_force_load = (drv_role == DRV_ROLE_OS &&
 740				  exist_drv_role == DRV_ROLE_PREBOOT) ||
 741				 (drv_role == DRV_ROLE_KDUMP &&
 742				  exist_drv_role == DRV_ROLE_OS);
 743		break;
 744	}
 745
 746	return can_force_load;
 747}
 748
 749static int qed_mcp_cancel_load_req(struct qed_hwfn *p_hwfn,
 750				   struct qed_ptt *p_ptt)
 751{
 752	u32 resp = 0, param = 0;
 753	int rc;
 754
 755	rc = qed_mcp_cmd(p_hwfn, p_ptt, DRV_MSG_CODE_CANCEL_LOAD_REQ, 0,
 756			 &resp, &param);
 757	if (rc)
 758		DP_NOTICE(p_hwfn,
 759			  "Failed to send cancel load request, rc = %d\n", rc);
 760
 761	return rc;
 762}
 763
 764#define BITMAP_IDX_FOR_CONFIG_QEDE	BIT(0)
 765#define BITMAP_IDX_FOR_CONFIG_QED_SRIOV	BIT(1)
 766#define BITMAP_IDX_FOR_CONFIG_QEDR	BIT(2)
 767#define BITMAP_IDX_FOR_CONFIG_QEDF	BIT(4)
 768#define BITMAP_IDX_FOR_CONFIG_QEDI	BIT(5)
 769#define BITMAP_IDX_FOR_CONFIG_QED_LL2	BIT(6)
 770
 771static u32 qed_get_config_bitmap(void)
 772{
 773	u32 config_bitmap = 0x0;
 774
 775	if (IS_ENABLED(CONFIG_QEDE))
 776		config_bitmap |= BITMAP_IDX_FOR_CONFIG_QEDE;
 777
 778	if (IS_ENABLED(CONFIG_QED_SRIOV))
 779		config_bitmap |= BITMAP_IDX_FOR_CONFIG_QED_SRIOV;
 780
 781	if (IS_ENABLED(CONFIG_QED_RDMA))
 782		config_bitmap |= BITMAP_IDX_FOR_CONFIG_QEDR;
 783
 784	if (IS_ENABLED(CONFIG_QED_FCOE))
 785		config_bitmap |= BITMAP_IDX_FOR_CONFIG_QEDF;
 786
 787	if (IS_ENABLED(CONFIG_QED_ISCSI))
 788		config_bitmap |= BITMAP_IDX_FOR_CONFIG_QEDI;
 789
 790	if (IS_ENABLED(CONFIG_QED_LL2))
 791		config_bitmap |= BITMAP_IDX_FOR_CONFIG_QED_LL2;
 792
 793	return config_bitmap;
 794}
 795
 796struct qed_load_req_in_params {
 797	u8 hsi_ver;
 798#define QED_LOAD_REQ_HSI_VER_DEFAULT	0
 799#define QED_LOAD_REQ_HSI_VER_1		1
 800	u32 drv_ver_0;
 801	u32 drv_ver_1;
 802	u32 fw_ver;
 803	u8 drv_role;
 804	u8 timeout_val;
 805	u8 force_cmd;
 806	bool avoid_eng_reset;
 807};
 808
 809struct qed_load_req_out_params {
 810	u32 load_code;
 811	u32 exist_drv_ver_0;
 812	u32 exist_drv_ver_1;
 813	u32 exist_fw_ver;
 814	u8 exist_drv_role;
 815	u8 mfw_hsi_ver;
 816	bool drv_exists;
 817};
 818
 819static int
 820__qed_mcp_load_req(struct qed_hwfn *p_hwfn,
 821		   struct qed_ptt *p_ptt,
 822		   struct qed_load_req_in_params *p_in_params,
 823		   struct qed_load_req_out_params *p_out_params)
 824{
 825	struct qed_mcp_mb_params mb_params;
 826	struct load_req_stc load_req;
 827	struct load_rsp_stc load_rsp;
 828	u32 hsi_ver;
 829	int rc;
 830
 831	memset(&load_req, 0, sizeof(load_req));
 832	load_req.drv_ver_0 = p_in_params->drv_ver_0;
 833	load_req.drv_ver_1 = p_in_params->drv_ver_1;
 834	load_req.fw_ver = p_in_params->fw_ver;
 835	QED_MFW_SET_FIELD(load_req.misc0, LOAD_REQ_ROLE, p_in_params->drv_role);
 836	QED_MFW_SET_FIELD(load_req.misc0, LOAD_REQ_LOCK_TO,
 837			  p_in_params->timeout_val);
 838	QED_MFW_SET_FIELD(load_req.misc0, LOAD_REQ_FORCE,
 839			  p_in_params->force_cmd);
 840	QED_MFW_SET_FIELD(load_req.misc0, LOAD_REQ_FLAGS0,
 841			  p_in_params->avoid_eng_reset);
 842
 843	hsi_ver = (p_in_params->hsi_ver == QED_LOAD_REQ_HSI_VER_DEFAULT) ?
 844		  DRV_ID_MCP_HSI_VER_CURRENT :
 845		  (p_in_params->hsi_ver << DRV_ID_MCP_HSI_VER_SHIFT);
 846
 847	memset(&mb_params, 0, sizeof(mb_params));
 848	mb_params.cmd = DRV_MSG_CODE_LOAD_REQ;
 849	mb_params.param = PDA_COMP | hsi_ver | p_hwfn->cdev->drv_type;
 850	mb_params.p_data_src = &load_req;
 851	mb_params.data_src_size = sizeof(load_req);
 852	mb_params.p_data_dst = &load_rsp;
 853	mb_params.data_dst_size = sizeof(load_rsp);
 854	mb_params.flags = QED_MB_FLAG_CAN_SLEEP | QED_MB_FLAG_AVOID_BLOCK;
 855
 856	DP_VERBOSE(p_hwfn, QED_MSG_SP,
 857		   "Load Request: param 0x%08x [init_hw %d, drv_type %d, hsi_ver %d, pda 0x%04x]\n",
 858		   mb_params.param,
 859		   QED_MFW_GET_FIELD(mb_params.param, DRV_ID_DRV_INIT_HW),
 860		   QED_MFW_GET_FIELD(mb_params.param, DRV_ID_DRV_TYPE),
 861		   QED_MFW_GET_FIELD(mb_params.param, DRV_ID_MCP_HSI_VER),
 862		   QED_MFW_GET_FIELD(mb_params.param, DRV_ID_PDA_COMP_VER));
 863
 864	if (p_in_params->hsi_ver != QED_LOAD_REQ_HSI_VER_1) {
 865		DP_VERBOSE(p_hwfn, QED_MSG_SP,
 866			   "Load Request: drv_ver 0x%08x_0x%08x, fw_ver 0x%08x, misc0 0x%08x [role %d, timeout %d, force %d, flags0 0x%x]\n",
 867			   load_req.drv_ver_0,
 868			   load_req.drv_ver_1,
 869			   load_req.fw_ver,
 870			   load_req.misc0,
 871			   QED_MFW_GET_FIELD(load_req.misc0, LOAD_REQ_ROLE),
 872			   QED_MFW_GET_FIELD(load_req.misc0,
 873					     LOAD_REQ_LOCK_TO),
 874			   QED_MFW_GET_FIELD(load_req.misc0, LOAD_REQ_FORCE),
 875			   QED_MFW_GET_FIELD(load_req.misc0, LOAD_REQ_FLAGS0));
 876	}
 877
 878	rc = qed_mcp_cmd_and_union(p_hwfn, p_ptt, &mb_params);
 879	if (rc) {
 880		DP_NOTICE(p_hwfn, "Failed to send load request, rc = %d\n", rc);
 881		return rc;
 882	}
 883
 884	DP_VERBOSE(p_hwfn, QED_MSG_SP,
 885		   "Load Response: resp 0x%08x\n", mb_params.mcp_resp);
 886	p_out_params->load_code = mb_params.mcp_resp;
 887
 888	if (p_in_params->hsi_ver != QED_LOAD_REQ_HSI_VER_1 &&
 889	    p_out_params->load_code != FW_MSG_CODE_DRV_LOAD_REFUSED_HSI_1) {
 890		DP_VERBOSE(p_hwfn,
 891			   QED_MSG_SP,
 892			   "Load Response: exist_drv_ver 0x%08x_0x%08x, exist_fw_ver 0x%08x, misc0 0x%08x [exist_role %d, mfw_hsi %d, flags0 0x%x]\n",
 893			   load_rsp.drv_ver_0,
 894			   load_rsp.drv_ver_1,
 895			   load_rsp.fw_ver,
 896			   load_rsp.misc0,
 897			   QED_MFW_GET_FIELD(load_rsp.misc0, LOAD_RSP_ROLE),
 898			   QED_MFW_GET_FIELD(load_rsp.misc0, LOAD_RSP_HSI),
 899			   QED_MFW_GET_FIELD(load_rsp.misc0, LOAD_RSP_FLAGS0));
 900
 901		p_out_params->exist_drv_ver_0 = load_rsp.drv_ver_0;
 902		p_out_params->exist_drv_ver_1 = load_rsp.drv_ver_1;
 903		p_out_params->exist_fw_ver = load_rsp.fw_ver;
 904		p_out_params->exist_drv_role =
 905		    QED_MFW_GET_FIELD(load_rsp.misc0, LOAD_RSP_ROLE);
 906		p_out_params->mfw_hsi_ver =
 907		    QED_MFW_GET_FIELD(load_rsp.misc0, LOAD_RSP_HSI);
 908		p_out_params->drv_exists =
 909		    QED_MFW_GET_FIELD(load_rsp.misc0, LOAD_RSP_FLAGS0) &
 910		    LOAD_RSP_FLAGS0_DRV_EXISTS;
 911	}
 912
 913	return 0;
 914}
 915
 916static int eocre_get_mfw_drv_role(struct qed_hwfn *p_hwfn,
 917				  enum qed_drv_role drv_role,
 918				  u8 *p_mfw_drv_role)
 919{
 920	switch (drv_role) {
 921	case QED_DRV_ROLE_OS:
 922		*p_mfw_drv_role = DRV_ROLE_OS;
 923		break;
 924	case QED_DRV_ROLE_KDUMP:
 925		*p_mfw_drv_role = DRV_ROLE_KDUMP;
 926		break;
 927	default:
 928		DP_ERR(p_hwfn, "Unexpected driver role %d\n", drv_role);
 929		return -EINVAL;
 930	}
 931
 932	return 0;
 933}
 934
 935enum qed_load_req_force {
 936	QED_LOAD_REQ_FORCE_NONE,
 937	QED_LOAD_REQ_FORCE_PF,
 938	QED_LOAD_REQ_FORCE_ALL,
 939};
 940
 941static void qed_get_mfw_force_cmd(struct qed_hwfn *p_hwfn,
 
 942				  enum qed_load_req_force force_cmd,
 943				  u8 *p_mfw_force_cmd)
 944{
 945	switch (force_cmd) {
 946	case QED_LOAD_REQ_FORCE_NONE:
 947		*p_mfw_force_cmd = LOAD_REQ_FORCE_NONE;
 948		break;
 949	case QED_LOAD_REQ_FORCE_PF:
 950		*p_mfw_force_cmd = LOAD_REQ_FORCE_PF;
 951		break;
 952	case QED_LOAD_REQ_FORCE_ALL:
 953		*p_mfw_force_cmd = LOAD_REQ_FORCE_ALL;
 954		break;
 955	}
 956}
 957
 958int qed_mcp_load_req(struct qed_hwfn *p_hwfn,
 959		     struct qed_ptt *p_ptt,
 960		     struct qed_load_req_params *p_params)
 961{
 962	struct qed_load_req_out_params out_params;
 963	struct qed_load_req_in_params in_params;
 964	u8 mfw_drv_role, mfw_force_cmd;
 965	int rc;
 966
 967	memset(&in_params, 0, sizeof(in_params));
 968	in_params.hsi_ver = QED_LOAD_REQ_HSI_VER_DEFAULT;
 
 969	in_params.drv_ver_1 = qed_get_config_bitmap();
 970	in_params.fw_ver = STORM_FW_VERSION;
 971	rc = eocre_get_mfw_drv_role(p_hwfn, p_params->drv_role, &mfw_drv_role);
 972	if (rc)
 973		return rc;
 974
 975	in_params.drv_role = mfw_drv_role;
 976	in_params.timeout_val = p_params->timeout_val;
 977	qed_get_mfw_force_cmd(p_hwfn,
 978			      QED_LOAD_REQ_FORCE_NONE, &mfw_force_cmd);
 979
 980	in_params.force_cmd = mfw_force_cmd;
 981	in_params.avoid_eng_reset = p_params->avoid_eng_reset;
 982
 983	memset(&out_params, 0, sizeof(out_params));
 984	rc = __qed_mcp_load_req(p_hwfn, p_ptt, &in_params, &out_params);
 985	if (rc)
 986		return rc;
 987
 988	/* First handle cases where another load request should/might be sent:
 989	 * - MFW expects the old interface [HSI version = 1]
 990	 * - MFW responds that a force load request is required
 991	 */
 992	if (out_params.load_code == FW_MSG_CODE_DRV_LOAD_REFUSED_HSI_1) {
 993		DP_INFO(p_hwfn,
 994			"MFW refused a load request due to HSI > 1. Resending with HSI = 1\n");
 995
 996		in_params.hsi_ver = QED_LOAD_REQ_HSI_VER_1;
 997		memset(&out_params, 0, sizeof(out_params));
 998		rc = __qed_mcp_load_req(p_hwfn, p_ptt, &in_params, &out_params);
 999		if (rc)
1000			return rc;
1001	} else if (out_params.load_code ==
1002		   FW_MSG_CODE_DRV_LOAD_REFUSED_REQUIRES_FORCE) {
1003		if (qed_mcp_can_force_load(in_params.drv_role,
1004					   out_params.exist_drv_role,
1005					   p_params->override_force_load)) {
1006			DP_INFO(p_hwfn,
1007				"A force load is required [{role, fw_ver, drv_ver}: loading={%d, 0x%08x, x%08x_0x%08x}, existing={%d, 0x%08x, 0x%08x_0x%08x}]\n",
1008				in_params.drv_role, in_params.fw_ver,
1009				in_params.drv_ver_0, in_params.drv_ver_1,
1010				out_params.exist_drv_role,
1011				out_params.exist_fw_ver,
1012				out_params.exist_drv_ver_0,
1013				out_params.exist_drv_ver_1);
1014
1015			qed_get_mfw_force_cmd(p_hwfn,
1016					      QED_LOAD_REQ_FORCE_ALL,
1017					      &mfw_force_cmd);
1018
1019			in_params.force_cmd = mfw_force_cmd;
1020			memset(&out_params, 0, sizeof(out_params));
1021			rc = __qed_mcp_load_req(p_hwfn, p_ptt, &in_params,
1022						&out_params);
1023			if (rc)
1024				return rc;
1025		} else {
1026			DP_NOTICE(p_hwfn,
1027				  "A force load is required [{role, fw_ver, drv_ver}: loading={%d, 0x%08x, x%08x_0x%08x}, existing={%d, 0x%08x, 0x%08x_0x%08x}] - Avoid\n",
1028				  in_params.drv_role, in_params.fw_ver,
1029				  in_params.drv_ver_0, in_params.drv_ver_1,
1030				  out_params.exist_drv_role,
1031				  out_params.exist_fw_ver,
1032				  out_params.exist_drv_ver_0,
1033				  out_params.exist_drv_ver_1);
1034			DP_NOTICE(p_hwfn,
1035				  "Avoid sending a force load request to prevent disruption of active PFs\n");
1036
1037			qed_mcp_cancel_load_req(p_hwfn, p_ptt);
1038			return -EBUSY;
1039		}
1040	}
1041
1042	/* Now handle the other types of responses.
1043	 * The "REFUSED_HSI_1" and "REFUSED_REQUIRES_FORCE" responses are not
1044	 * expected here after the additional revised load requests were sent.
1045	 */
1046	switch (out_params.load_code) {
1047	case FW_MSG_CODE_DRV_LOAD_ENGINE:
1048	case FW_MSG_CODE_DRV_LOAD_PORT:
1049	case FW_MSG_CODE_DRV_LOAD_FUNCTION:
1050		if (out_params.mfw_hsi_ver != QED_LOAD_REQ_HSI_VER_1 &&
1051		    out_params.drv_exists) {
1052			/* The role and fw/driver version match, but the PF is
1053			 * already loaded and has not been unloaded gracefully.
1054			 */
1055			DP_NOTICE(p_hwfn,
1056				  "PF is already loaded\n");
1057			return -EINVAL;
1058		}
1059		break;
1060	default:
1061		DP_NOTICE(p_hwfn,
1062			  "Unexpected refusal to load request [resp 0x%08x]. Aborting.\n",
1063			  out_params.load_code);
1064		return -EBUSY;
1065	}
1066
1067	p_params->load_code = out_params.load_code;
1068
1069	return 0;
1070}
1071
1072int qed_mcp_load_done(struct qed_hwfn *p_hwfn, struct qed_ptt *p_ptt)
1073{
1074	u32 resp = 0, param = 0;
1075	int rc;
1076
1077	rc = qed_mcp_cmd(p_hwfn, p_ptt, DRV_MSG_CODE_LOAD_DONE, 0, &resp,
1078			 &param);
1079	if (rc) {
1080		DP_NOTICE(p_hwfn,
1081			  "Failed to send a LOAD_DONE command, rc = %d\n", rc);
1082		return rc;
1083	}
1084
1085	/* Check if there is a DID mismatch between nvm-cfg/efuse */
1086	if (param & FW_MB_PARAM_LOAD_DONE_DID_EFUSE_ERROR)
1087		DP_NOTICE(p_hwfn,
1088			  "warning: device configuration is not supported on this board type. The device may not function as expected.\n");
1089
1090	return 0;
1091}
1092
1093#define MFW_COMPLETION_MAX_ITER 5000
1094#define MFW_COMPLETION_INTERVAL_MS 1
1095
1096int qed_mcp_unload_req(struct qed_hwfn *p_hwfn, struct qed_ptt *p_ptt)
1097{
1098	struct qed_mcp_mb_params mb_params;
1099	u32 cnt = MFW_COMPLETION_MAX_ITER;
1100	u32 wol_param;
1101	int rc;
1102
1103	switch (p_hwfn->cdev->wol_config) {
1104	case QED_OV_WOL_DISABLED:
1105		wol_param = DRV_MB_PARAM_UNLOAD_WOL_DISABLED;
1106		break;
1107	case QED_OV_WOL_ENABLED:
1108		wol_param = DRV_MB_PARAM_UNLOAD_WOL_ENABLED;
1109		break;
1110	default:
1111		DP_NOTICE(p_hwfn,
1112			  "Unknown WoL configuration %02x\n",
1113			  p_hwfn->cdev->wol_config);
1114		fallthrough;
1115	case QED_OV_WOL_DEFAULT:
1116		wol_param = DRV_MB_PARAM_UNLOAD_WOL_MCP;
1117	}
1118
1119	memset(&mb_params, 0, sizeof(mb_params));
1120	mb_params.cmd = DRV_MSG_CODE_UNLOAD_REQ;
1121	mb_params.param = wol_param;
1122	mb_params.flags = QED_MB_FLAG_CAN_SLEEP | QED_MB_FLAG_AVOID_BLOCK;
1123
1124	spin_lock_bh(&p_hwfn->mcp_info->unload_lock);
1125	set_bit(QED_MCP_BYPASS_PROC_BIT,
1126		&p_hwfn->mcp_info->mcp_handling_status);
1127	spin_unlock_bh(&p_hwfn->mcp_info->unload_lock);
1128
1129	rc = qed_mcp_cmd_and_union(p_hwfn, p_ptt, &mb_params);
1130
1131	while (test_bit(QED_MCP_IN_PROCESSING_BIT,
1132			&p_hwfn->mcp_info->mcp_handling_status) && --cnt)
1133		msleep(MFW_COMPLETION_INTERVAL_MS);
1134
1135	if (!cnt)
1136		DP_NOTICE(p_hwfn,
1137			  "Failed to wait MFW event completion after %d msec\n",
1138			  MFW_COMPLETION_MAX_ITER * MFW_COMPLETION_INTERVAL_MS);
1139
1140	return rc;
1141}
1142
1143int qed_mcp_unload_done(struct qed_hwfn *p_hwfn, struct qed_ptt *p_ptt)
1144{
1145	struct qed_mcp_mb_params mb_params;
1146	struct mcp_mac wol_mac;
1147
1148	memset(&mb_params, 0, sizeof(mb_params));
1149	mb_params.cmd = DRV_MSG_CODE_UNLOAD_DONE;
1150
1151	/* Set the primary MAC if WoL is enabled */
1152	if (p_hwfn->cdev->wol_config == QED_OV_WOL_ENABLED) {
1153		u8 *p_mac = p_hwfn->cdev->wol_mac;
1154
1155		memset(&wol_mac, 0, sizeof(wol_mac));
1156		wol_mac.mac_upper = p_mac[0] << 8 | p_mac[1];
1157		wol_mac.mac_lower = p_mac[2] << 24 | p_mac[3] << 16 |
1158				    p_mac[4] << 8 | p_mac[5];
1159
1160		DP_VERBOSE(p_hwfn,
1161			   (QED_MSG_SP | NETIF_MSG_IFDOWN),
1162			   "Setting WoL MAC: %pM --> [%08x,%08x]\n",
1163			   p_mac, wol_mac.mac_upper, wol_mac.mac_lower);
1164
1165		mb_params.p_data_src = &wol_mac;
1166		mb_params.data_src_size = sizeof(wol_mac);
1167	}
1168
1169	return qed_mcp_cmd_and_union(p_hwfn, p_ptt, &mb_params);
1170}
1171
1172static void qed_mcp_handle_vf_flr(struct qed_hwfn *p_hwfn,
1173				  struct qed_ptt *p_ptt)
1174{
1175	u32 addr = SECTION_OFFSIZE_ADDR(p_hwfn->mcp_info->public_base,
1176					PUBLIC_PATH);
1177	u32 mfw_path_offsize = qed_rd(p_hwfn, p_ptt, addr);
1178	u32 path_addr = SECTION_ADDR(mfw_path_offsize,
1179				     QED_PATH_ID(p_hwfn));
1180	u32 disabled_vfs[VF_MAX_STATIC / 32];
1181	int i;
1182
1183	DP_VERBOSE(p_hwfn,
1184		   QED_MSG_SP,
1185		   "Reading Disabled VF information from [offset %08x], path_addr %08x\n",
1186		   mfw_path_offsize, path_addr);
1187
1188	for (i = 0; i < (VF_MAX_STATIC / 32); i++) {
1189		disabled_vfs[i] = qed_rd(p_hwfn, p_ptt,
1190					 path_addr +
1191					 offsetof(struct public_path,
1192						  mcp_vf_disabled) +
1193					 sizeof(u32) * i);
1194		DP_VERBOSE(p_hwfn, (QED_MSG_SP | QED_MSG_IOV),
1195			   "FLR-ed VFs [%08x,...,%08x] - %08x\n",
1196			   i * 32, (i + 1) * 32 - 1, disabled_vfs[i]);
1197	}
1198
1199	if (qed_iov_mark_vf_flr(p_hwfn, disabled_vfs))
1200		qed_schedule_iov(p_hwfn, QED_IOV_WQ_FLR_FLAG);
1201}
1202
1203int qed_mcp_ack_vf_flr(struct qed_hwfn *p_hwfn,
1204		       struct qed_ptt *p_ptt, u32 *vfs_to_ack)
1205{
1206	u32 addr = SECTION_OFFSIZE_ADDR(p_hwfn->mcp_info->public_base,
1207					PUBLIC_FUNC);
1208	u32 mfw_func_offsize = qed_rd(p_hwfn, p_ptt, addr);
1209	u32 func_addr = SECTION_ADDR(mfw_func_offsize,
1210				     MCP_PF_ID(p_hwfn));
1211	struct qed_mcp_mb_params mb_params;
1212	int rc;
1213	int i;
1214
1215	for (i = 0; i < (VF_MAX_STATIC / 32); i++)
1216		DP_VERBOSE(p_hwfn, (QED_MSG_SP | QED_MSG_IOV),
1217			   "Acking VFs [%08x,...,%08x] - %08x\n",
1218			   i * 32, (i + 1) * 32 - 1, vfs_to_ack[i]);
1219
1220	memset(&mb_params, 0, sizeof(mb_params));
1221	mb_params.cmd = DRV_MSG_CODE_VF_DISABLED_DONE;
1222	mb_params.p_data_src = vfs_to_ack;
1223	mb_params.data_src_size = VF_MAX_STATIC / 8;
1224	rc = qed_mcp_cmd_and_union(p_hwfn, p_ptt, &mb_params);
1225	if (rc) {
1226		DP_NOTICE(p_hwfn, "Failed to pass ACK for VF flr to MFW\n");
1227		return -EBUSY;
1228	}
1229
1230	/* Clear the ACK bits */
1231	for (i = 0; i < (VF_MAX_STATIC / 32); i++)
1232		qed_wr(p_hwfn, p_ptt,
1233		       func_addr +
1234		       offsetof(struct public_func, drv_ack_vf_disabled) +
1235		       i * sizeof(u32), 0);
1236
1237	return rc;
1238}
1239
1240static void qed_mcp_handle_transceiver_change(struct qed_hwfn *p_hwfn,
1241					      struct qed_ptt *p_ptt)
1242{
1243	u32 transceiver_state;
1244
1245	transceiver_state = qed_rd(p_hwfn, p_ptt,
1246				   p_hwfn->mcp_info->port_addr +
1247				   offsetof(struct public_port,
1248					    transceiver_data));
1249
1250	DP_VERBOSE(p_hwfn,
1251		   (NETIF_MSG_HW | QED_MSG_SP),
1252		   "Received transceiver state update [0x%08x] from mfw [Addr 0x%x]\n",
1253		   transceiver_state,
1254		   (u32)(p_hwfn->mcp_info->port_addr +
1255			  offsetof(struct public_port, transceiver_data)));
1256
1257	transceiver_state = GET_FIELD(transceiver_state,
1258				      ETH_TRANSCEIVER_STATE);
1259
1260	if (transceiver_state == ETH_TRANSCEIVER_STATE_PRESENT)
1261		DP_NOTICE(p_hwfn, "Transceiver is present.\n");
1262	else
1263		DP_NOTICE(p_hwfn, "Transceiver is unplugged.\n");
1264}
1265
1266static void qed_mcp_read_eee_config(struct qed_hwfn *p_hwfn,
1267				    struct qed_ptt *p_ptt,
1268				    struct qed_mcp_link_state *p_link)
1269{
1270	u32 eee_status, val;
1271
1272	p_link->eee_adv_caps = 0;
1273	p_link->eee_lp_adv_caps = 0;
1274	eee_status = qed_rd(p_hwfn,
1275			    p_ptt,
1276			    p_hwfn->mcp_info->port_addr +
1277			    offsetof(struct public_port, eee_status));
1278	p_link->eee_active = !!(eee_status & EEE_ACTIVE_BIT);
1279	val = (eee_status & EEE_LD_ADV_STATUS_MASK) >> EEE_LD_ADV_STATUS_OFFSET;
1280	if (val & EEE_1G_ADV)
1281		p_link->eee_adv_caps |= QED_EEE_1G_ADV;
1282	if (val & EEE_10G_ADV)
1283		p_link->eee_adv_caps |= QED_EEE_10G_ADV;
1284	val = (eee_status & EEE_LP_ADV_STATUS_MASK) >> EEE_LP_ADV_STATUS_OFFSET;
1285	if (val & EEE_1G_ADV)
1286		p_link->eee_lp_adv_caps |= QED_EEE_1G_ADV;
1287	if (val & EEE_10G_ADV)
1288		p_link->eee_lp_adv_caps |= QED_EEE_10G_ADV;
1289}
1290
1291static u32 qed_mcp_get_shmem_func(struct qed_hwfn *p_hwfn,
1292				  struct qed_ptt *p_ptt,
1293				  struct public_func *p_data, int pfid)
1294{
1295	u32 addr = SECTION_OFFSIZE_ADDR(p_hwfn->mcp_info->public_base,
1296					PUBLIC_FUNC);
1297	u32 mfw_path_offsize = qed_rd(p_hwfn, p_ptt, addr);
1298	u32 func_addr;
1299	u32 i, size;
1300
1301	func_addr = SECTION_ADDR(mfw_path_offsize, pfid);
1302	memset(p_data, 0, sizeof(*p_data));
1303
1304	size = min_t(u32, sizeof(*p_data), QED_SECTION_SIZE(mfw_path_offsize));
1305	for (i = 0; i < size / sizeof(u32); i++)
1306		((u32 *)p_data)[i] = qed_rd(p_hwfn, p_ptt,
1307					    func_addr + (i << 2));
1308	return size;
1309}
1310
1311static void qed_read_pf_bandwidth(struct qed_hwfn *p_hwfn,
1312				  struct public_func *p_shmem_info)
1313{
1314	struct qed_mcp_function_info *p_info;
1315
1316	p_info = &p_hwfn->mcp_info->func_info;
1317
1318	p_info->bandwidth_min = QED_MFW_GET_FIELD(p_shmem_info->config,
1319						  FUNC_MF_CFG_MIN_BW);
1320	if (p_info->bandwidth_min < 1 || p_info->bandwidth_min > 100) {
1321		DP_INFO(p_hwfn,
1322			"bandwidth minimum out of bounds [%02x]. Set to 1\n",
1323			p_info->bandwidth_min);
1324		p_info->bandwidth_min = 1;
1325	}
1326
1327	p_info->bandwidth_max = QED_MFW_GET_FIELD(p_shmem_info->config,
1328						  FUNC_MF_CFG_MAX_BW);
1329	if (p_info->bandwidth_max < 1 || p_info->bandwidth_max > 100) {
1330		DP_INFO(p_hwfn,
1331			"bandwidth maximum out of bounds [%02x]. Set to 100\n",
1332			p_info->bandwidth_max);
1333		p_info->bandwidth_max = 100;
1334	}
1335}
1336
1337static void qed_mcp_handle_link_change(struct qed_hwfn *p_hwfn,
1338				       struct qed_ptt *p_ptt, bool b_reset)
1339{
1340	struct qed_mcp_link_state *p_link;
1341	u8 max_bw, min_bw;
1342	u32 status = 0;
1343
1344	/* Prevent SW/attentions from doing this at the same time */
1345	spin_lock_bh(&p_hwfn->mcp_info->link_lock);
1346
1347	p_link = &p_hwfn->mcp_info->link_output;
1348	memset(p_link, 0, sizeof(*p_link));
1349	if (!b_reset) {
1350		status = qed_rd(p_hwfn, p_ptt,
1351				p_hwfn->mcp_info->port_addr +
1352				offsetof(struct public_port, link_status));
1353		DP_VERBOSE(p_hwfn, (NETIF_MSG_LINK | QED_MSG_SP),
1354			   "Received link update [0x%08x] from mfw [Addr 0x%x]\n",
1355			   status,
1356			   (u32)(p_hwfn->mcp_info->port_addr +
1357				 offsetof(struct public_port, link_status)));
1358	} else {
1359		DP_VERBOSE(p_hwfn, NETIF_MSG_LINK,
1360			   "Resetting link indications\n");
1361		goto out;
1362	}
1363
1364	if (p_hwfn->b_drv_link_init) {
1365		/* Link indication with modern MFW arrives as per-PF
1366		 * indication.
1367		 */
1368		if (p_hwfn->mcp_info->capabilities &
1369		    FW_MB_PARAM_FEATURE_SUPPORT_VLINK) {
1370			struct public_func shmem_info;
1371
1372			qed_mcp_get_shmem_func(p_hwfn, p_ptt, &shmem_info,
1373					       MCP_PF_ID(p_hwfn));
1374			p_link->link_up = !!(shmem_info.status &
1375					     FUNC_STATUS_VIRTUAL_LINK_UP);
1376			qed_read_pf_bandwidth(p_hwfn, &shmem_info);
1377			DP_VERBOSE(p_hwfn, NETIF_MSG_LINK,
1378				   "Virtual link_up = %d\n", p_link->link_up);
1379		} else {
1380			p_link->link_up = !!(status & LINK_STATUS_LINK_UP);
1381			DP_VERBOSE(p_hwfn, NETIF_MSG_LINK,
1382				   "Physical link_up = %d\n", p_link->link_up);
1383		}
1384	} else {
1385		p_link->link_up = false;
1386	}
1387
1388	p_link->full_duplex = true;
1389	switch ((status & LINK_STATUS_SPEED_AND_DUPLEX_MASK)) {
1390	case LINK_STATUS_SPEED_AND_DUPLEX_100G:
1391		p_link->speed = 100000;
1392		break;
1393	case LINK_STATUS_SPEED_AND_DUPLEX_50G:
1394		p_link->speed = 50000;
1395		break;
1396	case LINK_STATUS_SPEED_AND_DUPLEX_40G:
1397		p_link->speed = 40000;
1398		break;
1399	case LINK_STATUS_SPEED_AND_DUPLEX_25G:
1400		p_link->speed = 25000;
1401		break;
1402	case LINK_STATUS_SPEED_AND_DUPLEX_20G:
1403		p_link->speed = 20000;
1404		break;
1405	case LINK_STATUS_SPEED_AND_DUPLEX_10G:
1406		p_link->speed = 10000;
1407		break;
1408	case LINK_STATUS_SPEED_AND_DUPLEX_1000THD:
1409		p_link->full_duplex = false;
1410		fallthrough;
1411	case LINK_STATUS_SPEED_AND_DUPLEX_1000TFD:
1412		p_link->speed = 1000;
1413		break;
1414	default:
1415		p_link->speed = 0;
1416		p_link->link_up = 0;
1417	}
1418
1419	if (p_link->link_up && p_link->speed)
1420		p_link->line_speed = p_link->speed;
1421	else
1422		p_link->line_speed = 0;
1423
1424	max_bw = p_hwfn->mcp_info->func_info.bandwidth_max;
1425	min_bw = p_hwfn->mcp_info->func_info.bandwidth_min;
1426
1427	/* Max bandwidth configuration */
1428	__qed_configure_pf_max_bandwidth(p_hwfn, p_ptt, p_link, max_bw);
1429
1430	/* Min bandwidth configuration */
1431	__qed_configure_pf_min_bandwidth(p_hwfn, p_ptt, p_link, min_bw);
1432	qed_configure_vp_wfq_on_link_change(p_hwfn->cdev, p_ptt,
1433					    p_link->min_pf_rate);
1434
1435	p_link->an = !!(status & LINK_STATUS_AUTO_NEGOTIATE_ENABLED);
1436	p_link->an_complete = !!(status &
1437				 LINK_STATUS_AUTO_NEGOTIATE_COMPLETE);
1438	p_link->parallel_detection = !!(status &
1439					LINK_STATUS_PARALLEL_DETECTION_USED);
1440	p_link->pfc_enabled = !!(status & LINK_STATUS_PFC_ENABLED);
1441
1442	p_link->partner_adv_speed |=
1443		(status & LINK_STATUS_LINK_PARTNER_1000TFD_CAPABLE) ?
1444		QED_LINK_PARTNER_SPEED_1G_FD : 0;
1445	p_link->partner_adv_speed |=
1446		(status & LINK_STATUS_LINK_PARTNER_1000THD_CAPABLE) ?
1447		QED_LINK_PARTNER_SPEED_1G_HD : 0;
1448	p_link->partner_adv_speed |=
1449		(status & LINK_STATUS_LINK_PARTNER_10G_CAPABLE) ?
1450		QED_LINK_PARTNER_SPEED_10G : 0;
1451	p_link->partner_adv_speed |=
1452		(status & LINK_STATUS_LINK_PARTNER_20G_CAPABLE) ?
1453		QED_LINK_PARTNER_SPEED_20G : 0;
1454	p_link->partner_adv_speed |=
1455		(status & LINK_STATUS_LINK_PARTNER_25G_CAPABLE) ?
1456		QED_LINK_PARTNER_SPEED_25G : 0;
1457	p_link->partner_adv_speed |=
1458		(status & LINK_STATUS_LINK_PARTNER_40G_CAPABLE) ?
1459		QED_LINK_PARTNER_SPEED_40G : 0;
1460	p_link->partner_adv_speed |=
1461		(status & LINK_STATUS_LINK_PARTNER_50G_CAPABLE) ?
1462		QED_LINK_PARTNER_SPEED_50G : 0;
1463	p_link->partner_adv_speed |=
1464		(status & LINK_STATUS_LINK_PARTNER_100G_CAPABLE) ?
1465		QED_LINK_PARTNER_SPEED_100G : 0;
1466
1467	p_link->partner_tx_flow_ctrl_en =
1468		!!(status & LINK_STATUS_TX_FLOW_CONTROL_ENABLED);
1469	p_link->partner_rx_flow_ctrl_en =
1470		!!(status & LINK_STATUS_RX_FLOW_CONTROL_ENABLED);
1471
1472	switch (status & LINK_STATUS_LINK_PARTNER_FLOW_CONTROL_MASK) {
1473	case LINK_STATUS_LINK_PARTNER_SYMMETRIC_PAUSE:
1474		p_link->partner_adv_pause = QED_LINK_PARTNER_SYMMETRIC_PAUSE;
1475		break;
1476	case LINK_STATUS_LINK_PARTNER_ASYMMETRIC_PAUSE:
1477		p_link->partner_adv_pause = QED_LINK_PARTNER_ASYMMETRIC_PAUSE;
1478		break;
1479	case LINK_STATUS_LINK_PARTNER_BOTH_PAUSE:
1480		p_link->partner_adv_pause = QED_LINK_PARTNER_BOTH_PAUSE;
1481		break;
1482	default:
1483		p_link->partner_adv_pause = 0;
1484	}
1485
1486	p_link->sfp_tx_fault = !!(status & LINK_STATUS_SFP_TX_FAULT);
1487
1488	if (p_hwfn->mcp_info->capabilities & FW_MB_PARAM_FEATURE_SUPPORT_EEE)
1489		qed_mcp_read_eee_config(p_hwfn, p_ptt, p_link);
1490
1491	if (p_hwfn->mcp_info->capabilities &
1492	    FW_MB_PARAM_FEATURE_SUPPORT_FEC_CONTROL) {
1493		switch (status & LINK_STATUS_FEC_MODE_MASK) {
1494		case LINK_STATUS_FEC_MODE_NONE:
1495			p_link->fec_active = QED_FEC_MODE_NONE;
1496			break;
1497		case LINK_STATUS_FEC_MODE_FIRECODE_CL74:
1498			p_link->fec_active = QED_FEC_MODE_FIRECODE;
1499			break;
1500		case LINK_STATUS_FEC_MODE_RS_CL91:
1501			p_link->fec_active = QED_FEC_MODE_RS;
1502			break;
1503		default:
1504			p_link->fec_active = QED_FEC_MODE_AUTO;
1505		}
1506	} else {
1507		p_link->fec_active = QED_FEC_MODE_UNSUPPORTED;
1508	}
1509
1510	qed_link_update(p_hwfn, p_ptt);
1511out:
1512	spin_unlock_bh(&p_hwfn->mcp_info->link_lock);
1513}
1514
1515int qed_mcp_set_link(struct qed_hwfn *p_hwfn, struct qed_ptt *p_ptt, bool b_up)
1516{
1517	struct qed_mcp_link_params *params = &p_hwfn->mcp_info->link_input;
1518	struct qed_mcp_mb_params mb_params;
1519	struct eth_phy_cfg phy_cfg;
1520	u32 cmd, fec_bit = 0;
1521	u32 val, ext_speed;
1522	int rc = 0;
 
1523
1524	/* Set the shmem configuration according to params */
1525	memset(&phy_cfg, 0, sizeof(phy_cfg));
1526	cmd = b_up ? DRV_MSG_CODE_INIT_PHY : DRV_MSG_CODE_LINK_RESET;
1527	if (!params->speed.autoneg)
1528		phy_cfg.speed = params->speed.forced_speed;
1529	phy_cfg.pause |= (params->pause.autoneg) ? ETH_PAUSE_AUTONEG : 0;
1530	phy_cfg.pause |= (params->pause.forced_rx) ? ETH_PAUSE_RX : 0;
1531	phy_cfg.pause |= (params->pause.forced_tx) ? ETH_PAUSE_TX : 0;
1532	phy_cfg.adv_speed = params->speed.advertised_speeds;
1533	phy_cfg.loopback_mode = params->loopback_mode;
1534
1535	/* There are MFWs that share this capability regardless of whether
1536	 * this is feasible or not. And given that at the very least adv_caps
1537	 * would be set internally by qed, we want to make sure LFA would
1538	 * still work.
1539	 */
1540	if ((p_hwfn->mcp_info->capabilities &
1541	     FW_MB_PARAM_FEATURE_SUPPORT_EEE) && params->eee.enable) {
1542		phy_cfg.eee_cfg |= EEE_CFG_EEE_ENABLED;
1543		if (params->eee.tx_lpi_enable)
1544			phy_cfg.eee_cfg |= EEE_CFG_TX_LPI;
1545		if (params->eee.adv_caps & QED_EEE_1G_ADV)
1546			phy_cfg.eee_cfg |= EEE_CFG_ADV_SPEED_1G;
1547		if (params->eee.adv_caps & QED_EEE_10G_ADV)
1548			phy_cfg.eee_cfg |= EEE_CFG_ADV_SPEED_10G;
1549		phy_cfg.eee_cfg |= (params->eee.tx_lpi_timer <<
1550				    EEE_TX_TIMER_USEC_OFFSET) &
1551				   EEE_TX_TIMER_USEC_MASK;
1552	}
1553
1554	if (p_hwfn->mcp_info->capabilities &
1555	    FW_MB_PARAM_FEATURE_SUPPORT_FEC_CONTROL) {
1556		if (params->fec & QED_FEC_MODE_NONE)
1557			fec_bit |= FEC_FORCE_MODE_NONE;
1558		else if (params->fec & QED_FEC_MODE_FIRECODE)
1559			fec_bit |= FEC_FORCE_MODE_FIRECODE;
1560		else if (params->fec & QED_FEC_MODE_RS)
1561			fec_bit |= FEC_FORCE_MODE_RS;
1562		else if (params->fec & QED_FEC_MODE_AUTO)
1563			fec_bit |= FEC_FORCE_MODE_AUTO;
1564
1565		SET_MFW_FIELD(phy_cfg.fec_mode, FEC_FORCE_MODE, fec_bit);
1566	}
1567
1568	if (p_hwfn->mcp_info->capabilities &
1569	    FW_MB_PARAM_FEATURE_SUPPORT_EXT_SPEED_FEC_CONTROL) {
1570		ext_speed = 0;
1571		if (params->ext_speed.autoneg)
1572			ext_speed |= ETH_EXT_SPEED_NONE;
1573
1574		val = params->ext_speed.forced_speed;
1575		if (val & QED_EXT_SPEED_1G)
1576			ext_speed |= ETH_EXT_SPEED_1G;
1577		if (val & QED_EXT_SPEED_10G)
1578			ext_speed |= ETH_EXT_SPEED_10G;
1579		if (val & QED_EXT_SPEED_25G)
1580			ext_speed |= ETH_EXT_SPEED_25G;
1581		if (val & QED_EXT_SPEED_40G)
1582			ext_speed |= ETH_EXT_SPEED_40G;
1583		if (val & QED_EXT_SPEED_50G_R)
1584			ext_speed |= ETH_EXT_SPEED_50G_BASE_R;
1585		if (val & QED_EXT_SPEED_50G_R2)
1586			ext_speed |= ETH_EXT_SPEED_50G_BASE_R2;
1587		if (val & QED_EXT_SPEED_100G_R2)
1588			ext_speed |= ETH_EXT_SPEED_100G_BASE_R2;
1589		if (val & QED_EXT_SPEED_100G_R4)
1590			ext_speed |= ETH_EXT_SPEED_100G_BASE_R4;
1591		if (val & QED_EXT_SPEED_100G_P4)
1592			ext_speed |= ETH_EXT_SPEED_100G_BASE_P4;
1593
1594		SET_MFW_FIELD(phy_cfg.extended_speed, ETH_EXT_SPEED,
1595			      ext_speed);
1596
1597		ext_speed = 0;
1598
1599		val = params->ext_speed.advertised_speeds;
1600		if (val & QED_EXT_SPEED_MASK_1G)
1601			ext_speed |= ETH_EXT_ADV_SPEED_1G;
1602		if (val & QED_EXT_SPEED_MASK_10G)
1603			ext_speed |= ETH_EXT_ADV_SPEED_10G;
1604		if (val & QED_EXT_SPEED_MASK_25G)
1605			ext_speed |= ETH_EXT_ADV_SPEED_25G;
1606		if (val & QED_EXT_SPEED_MASK_40G)
1607			ext_speed |= ETH_EXT_ADV_SPEED_40G;
1608		if (val & QED_EXT_SPEED_MASK_50G_R)
1609			ext_speed |= ETH_EXT_ADV_SPEED_50G_BASE_R;
1610		if (val & QED_EXT_SPEED_MASK_50G_R2)
1611			ext_speed |= ETH_EXT_ADV_SPEED_50G_BASE_R2;
1612		if (val & QED_EXT_SPEED_MASK_100G_R2)
1613			ext_speed |= ETH_EXT_ADV_SPEED_100G_BASE_R2;
1614		if (val & QED_EXT_SPEED_MASK_100G_R4)
1615			ext_speed |= ETH_EXT_ADV_SPEED_100G_BASE_R4;
1616		if (val & QED_EXT_SPEED_MASK_100G_P4)
1617			ext_speed |= ETH_EXT_ADV_SPEED_100G_BASE_P4;
1618
1619		phy_cfg.extended_speed |= ext_speed;
1620
1621		SET_MFW_FIELD(phy_cfg.fec_mode, FEC_EXTENDED_MODE,
1622			      params->ext_fec_mode);
1623	}
1624
1625	p_hwfn->b_drv_link_init = b_up;
1626
1627	if (b_up) {
1628		DP_VERBOSE(p_hwfn, NETIF_MSG_LINK,
1629			   "Configuring Link: Speed 0x%08x, Pause 0x%08x, Adv. Speed 0x%08x, Loopback 0x%08x, FEC 0x%08x, Ext. Speed 0x%08x\n",
1630			   phy_cfg.speed, phy_cfg.pause, phy_cfg.adv_speed,
1631			   phy_cfg.loopback_mode, phy_cfg.fec_mode,
1632			   phy_cfg.extended_speed);
 
 
1633	} else {
1634		DP_VERBOSE(p_hwfn, NETIF_MSG_LINK, "Resetting link\n");
 
1635	}
1636
1637	memset(&mb_params, 0, sizeof(mb_params));
1638	mb_params.cmd = cmd;
1639	mb_params.p_data_src = &phy_cfg;
1640	mb_params.data_src_size = sizeof(phy_cfg);
1641	rc = qed_mcp_cmd_and_union(p_hwfn, p_ptt, &mb_params);
1642
1643	/* if mcp fails to respond we must abort */
1644	if (rc) {
1645		DP_ERR(p_hwfn, "MCP response failure, aborting\n");
1646		return rc;
1647	}
1648
1649	/* Mimic link-change attention, done for several reasons:
1650	 *  - On reset, there's no guarantee MFW would trigger
1651	 *    an attention.
1652	 *  - On initialization, older MFWs might not indicate link change
1653	 *    during LFA, so we'll never get an UP indication.
1654	 */
1655	qed_mcp_handle_link_change(p_hwfn, p_ptt, !b_up);
1656
1657	return 0;
1658}
1659
1660u32 qed_get_process_kill_counter(struct qed_hwfn *p_hwfn,
1661				 struct qed_ptt *p_ptt)
1662{
1663	u32 path_offsize_addr, path_offsize, path_addr, proc_kill_cnt;
1664
1665	if (IS_VF(p_hwfn->cdev))
1666		return -EINVAL;
1667
1668	path_offsize_addr = SECTION_OFFSIZE_ADDR(p_hwfn->mcp_info->public_base,
1669						 PUBLIC_PATH);
1670	path_offsize = qed_rd(p_hwfn, p_ptt, path_offsize_addr);
1671	path_addr = SECTION_ADDR(path_offsize, QED_PATH_ID(p_hwfn));
1672
1673	proc_kill_cnt = qed_rd(p_hwfn, p_ptt,
1674			       path_addr +
1675			       offsetof(struct public_path, process_kill)) &
1676			PROCESS_KILL_COUNTER_MASK;
1677
1678	return proc_kill_cnt;
1679}
1680
1681static void qed_mcp_handle_process_kill(struct qed_hwfn *p_hwfn,
1682					struct qed_ptt *p_ptt)
1683{
1684	struct qed_dev *cdev = p_hwfn->cdev;
1685	u32 proc_kill_cnt;
1686
1687	/* Prevent possible attentions/interrupts during the recovery handling
1688	 * and till its load phase, during which they will be re-enabled.
1689	 */
1690	qed_int_igu_disable_int(p_hwfn, p_ptt);
1691
1692	DP_NOTICE(p_hwfn, "Received a process kill indication\n");
1693
1694	/* The following operations should be done once, and thus in CMT mode
1695	 * are carried out by only the first HW function.
1696	 */
1697	if (p_hwfn != QED_LEADING_HWFN(cdev))
1698		return;
1699
1700	if (cdev->recov_in_prog) {
1701		DP_NOTICE(p_hwfn,
1702			  "Ignoring the indication since a recovery process is already in progress\n");
1703		return;
1704	}
1705
1706	cdev->recov_in_prog = true;
1707
1708	proc_kill_cnt = qed_get_process_kill_counter(p_hwfn, p_ptt);
1709	DP_NOTICE(p_hwfn, "Process kill counter: %d\n", proc_kill_cnt);
1710
1711	qed_schedule_recovery_handler(p_hwfn);
1712}
1713
1714static void qed_mcp_send_protocol_stats(struct qed_hwfn *p_hwfn,
1715					struct qed_ptt *p_ptt,
1716					enum MFW_DRV_MSG_TYPE type)
1717{
1718	enum qed_mcp_protocol_type stats_type;
1719	union qed_mcp_protocol_stats stats;
1720	struct qed_mcp_mb_params mb_params;
1721	u32 hsi_param;
1722
1723	switch (type) {
1724	case MFW_DRV_MSG_GET_LAN_STATS:
1725		stats_type = QED_MCP_LAN_STATS;
1726		hsi_param = DRV_MSG_CODE_STATS_TYPE_LAN;
1727		break;
1728	case MFW_DRV_MSG_GET_FCOE_STATS:
1729		stats_type = QED_MCP_FCOE_STATS;
1730		hsi_param = DRV_MSG_CODE_STATS_TYPE_FCOE;
1731		break;
1732	case MFW_DRV_MSG_GET_ISCSI_STATS:
1733		stats_type = QED_MCP_ISCSI_STATS;
1734		hsi_param = DRV_MSG_CODE_STATS_TYPE_ISCSI;
1735		break;
1736	case MFW_DRV_MSG_GET_RDMA_STATS:
1737		stats_type = QED_MCP_RDMA_STATS;
1738		hsi_param = DRV_MSG_CODE_STATS_TYPE_RDMA;
1739		break;
1740	default:
1741		DP_NOTICE(p_hwfn, "Invalid protocol type %d\n", type);
1742		return;
1743	}
1744
1745	qed_get_protocol_stats(p_hwfn->cdev, stats_type, &stats);
1746
1747	memset(&mb_params, 0, sizeof(mb_params));
1748	mb_params.cmd = DRV_MSG_CODE_GET_STATS;
1749	mb_params.param = hsi_param;
1750	mb_params.p_data_src = &stats;
1751	mb_params.data_src_size = sizeof(stats);
1752	qed_mcp_cmd_and_union(p_hwfn, p_ptt, &mb_params);
1753}
1754
1755static void qed_mcp_update_bw(struct qed_hwfn *p_hwfn, struct qed_ptt *p_ptt)
1756{
1757	struct qed_mcp_function_info *p_info;
1758	struct public_func shmem_info;
1759	u32 resp = 0, param = 0;
1760
1761	qed_mcp_get_shmem_func(p_hwfn, p_ptt, &shmem_info, MCP_PF_ID(p_hwfn));
1762
1763	qed_read_pf_bandwidth(p_hwfn, &shmem_info);
1764
1765	p_info = &p_hwfn->mcp_info->func_info;
1766
1767	qed_configure_pf_min_bandwidth(p_hwfn->cdev, p_info->bandwidth_min);
1768	qed_configure_pf_max_bandwidth(p_hwfn->cdev, p_info->bandwidth_max);
1769
1770	/* Acknowledge the MFW */
1771	qed_mcp_cmd_nosleep(p_hwfn, p_ptt, DRV_MSG_CODE_BW_UPDATE_ACK, 0, &resp,
1772			    &param);
1773}
1774
1775static void qed_mcp_update_stag(struct qed_hwfn *p_hwfn, struct qed_ptt *p_ptt)
1776{
1777	struct public_func shmem_info;
1778	u32 resp = 0, param = 0;
1779
1780	qed_mcp_get_shmem_func(p_hwfn, p_ptt, &shmem_info, MCP_PF_ID(p_hwfn));
1781
1782	p_hwfn->mcp_info->func_info.ovlan = (u16)shmem_info.ovlan_stag &
1783						 FUNC_MF_CFG_OV_STAG_MASK;
1784	p_hwfn->hw_info.ovlan = p_hwfn->mcp_info->func_info.ovlan;
1785	if (test_bit(QED_MF_OVLAN_CLSS, &p_hwfn->cdev->mf_bits)) {
1786		if (p_hwfn->hw_info.ovlan != QED_MCP_VLAN_UNSET) {
1787			qed_wr(p_hwfn, p_ptt, NIG_REG_LLH_FUNC_TAG_VALUE,
1788			       p_hwfn->hw_info.ovlan);
1789			qed_wr(p_hwfn, p_ptt, NIG_REG_LLH_FUNC_TAG_EN, 1);
1790
1791			/* Configure DB to add external vlan to EDPM packets */
1792			qed_wr(p_hwfn, p_ptt, DORQ_REG_TAG1_OVRD_MODE, 1);
1793			qed_wr(p_hwfn, p_ptt, DORQ_REG_PF_EXT_VID_BB_K2,
1794			       p_hwfn->hw_info.ovlan);
1795		} else {
1796			qed_wr(p_hwfn, p_ptt, NIG_REG_LLH_FUNC_TAG_EN, 0);
1797			qed_wr(p_hwfn, p_ptt, NIG_REG_LLH_FUNC_TAG_VALUE, 0);
1798			qed_wr(p_hwfn, p_ptt, DORQ_REG_TAG1_OVRD_MODE, 0);
1799			qed_wr(p_hwfn, p_ptt, DORQ_REG_PF_EXT_VID_BB_K2, 0);
1800		}
1801
1802		qed_sp_pf_update_stag(p_hwfn);
1803	}
1804
1805	DP_VERBOSE(p_hwfn, QED_MSG_SP, "ovlan = %d hw_mode = 0x%x\n",
1806		   p_hwfn->mcp_info->func_info.ovlan, p_hwfn->hw_info.hw_mode);
1807
1808	/* Acknowledge the MFW */
1809	qed_mcp_cmd_nosleep(p_hwfn, p_ptt, DRV_MSG_CODE_S_TAG_UPDATE_ACK, 0,
1810			    &resp, &param);
1811}
1812
1813static void qed_mcp_handle_fan_failure(struct qed_hwfn *p_hwfn,
1814				       struct qed_ptt *p_ptt)
1815{
1816	/* A single notification should be sent to upper driver in CMT mode */
1817	if (p_hwfn != QED_LEADING_HWFN(p_hwfn->cdev))
1818		return;
1819
1820	qed_hw_err_notify(p_hwfn, p_ptt, QED_HW_ERR_FAN_FAIL,
1821			  "Fan failure was detected on the network interface card and it's going to be shut down.\n");
1822}
1823
1824struct qed_mdump_cmd_params {
1825	u32 cmd;
1826	void *p_data_src;
1827	u8 data_src_size;
1828	void *p_data_dst;
1829	u8 data_dst_size;
1830	u32 mcp_resp;
1831};
1832
1833static int
1834qed_mcp_mdump_cmd(struct qed_hwfn *p_hwfn,
1835		  struct qed_ptt *p_ptt,
1836		  struct qed_mdump_cmd_params *p_mdump_cmd_params)
1837{
1838	struct qed_mcp_mb_params mb_params;
1839	int rc;
1840
1841	memset(&mb_params, 0, sizeof(mb_params));
1842	mb_params.cmd = DRV_MSG_CODE_MDUMP_CMD;
1843	mb_params.param = p_mdump_cmd_params->cmd;
1844	mb_params.p_data_src = p_mdump_cmd_params->p_data_src;
1845	mb_params.data_src_size = p_mdump_cmd_params->data_src_size;
1846	mb_params.p_data_dst = p_mdump_cmd_params->p_data_dst;
1847	mb_params.data_dst_size = p_mdump_cmd_params->data_dst_size;
1848	rc = qed_mcp_cmd_and_union(p_hwfn, p_ptt, &mb_params);
1849	if (rc)
1850		return rc;
1851
1852	p_mdump_cmd_params->mcp_resp = mb_params.mcp_resp;
1853
1854	if (p_mdump_cmd_params->mcp_resp == FW_MSG_CODE_MDUMP_INVALID_CMD) {
1855		DP_INFO(p_hwfn,
1856			"The mdump sub command is unsupported by the MFW [mdump_cmd 0x%x]\n",
1857			p_mdump_cmd_params->cmd);
1858		rc = -EOPNOTSUPP;
1859	} else if (p_mdump_cmd_params->mcp_resp == FW_MSG_CODE_UNSUPPORTED) {
1860		DP_INFO(p_hwfn,
1861			"The mdump command is not supported by the MFW\n");
1862		rc = -EOPNOTSUPP;
1863	}
1864
1865	return rc;
1866}
1867
1868static int qed_mcp_mdump_ack(struct qed_hwfn *p_hwfn, struct qed_ptt *p_ptt)
1869{
1870	struct qed_mdump_cmd_params mdump_cmd_params;
1871
1872	memset(&mdump_cmd_params, 0, sizeof(mdump_cmd_params));
1873	mdump_cmd_params.cmd = DRV_MSG_CODE_MDUMP_ACK;
1874
1875	return qed_mcp_mdump_cmd(p_hwfn, p_ptt, &mdump_cmd_params);
1876}
1877
1878int
1879qed_mcp_mdump_get_retain(struct qed_hwfn *p_hwfn,
1880			 struct qed_ptt *p_ptt,
1881			 struct mdump_retain_data_stc *p_mdump_retain)
1882{
1883	struct qed_mdump_cmd_params mdump_cmd_params;
1884	int rc;
1885
1886	memset(&mdump_cmd_params, 0, sizeof(mdump_cmd_params));
1887	mdump_cmd_params.cmd = DRV_MSG_CODE_MDUMP_GET_RETAIN;
1888	mdump_cmd_params.p_data_dst = p_mdump_retain;
1889	mdump_cmd_params.data_dst_size = sizeof(*p_mdump_retain);
1890
1891	rc = qed_mcp_mdump_cmd(p_hwfn, p_ptt, &mdump_cmd_params);
1892	if (rc)
1893		return rc;
1894
1895	if (mdump_cmd_params.mcp_resp != FW_MSG_CODE_OK) {
1896		DP_INFO(p_hwfn,
1897			"Failed to get the mdump retained data [mcp_resp 0x%x]\n",
1898			mdump_cmd_params.mcp_resp);
1899		return -EINVAL;
1900	}
1901
1902	return 0;
1903}
1904
1905static void qed_mcp_handle_critical_error(struct qed_hwfn *p_hwfn,
1906					  struct qed_ptt *p_ptt)
1907{
1908	struct mdump_retain_data_stc mdump_retain;
1909	int rc;
1910
1911	/* In CMT mode - no need for more than a single acknowledgment to the
1912	 * MFW, and no more than a single notification to the upper driver.
1913	 */
1914	if (p_hwfn != QED_LEADING_HWFN(p_hwfn->cdev))
1915		return;
1916
1917	rc = qed_mcp_mdump_get_retain(p_hwfn, p_ptt, &mdump_retain);
1918	if (rc == 0 && mdump_retain.valid)
1919		DP_NOTICE(p_hwfn,
1920			  "The MFW notified that a critical error occurred in the device [epoch 0x%08x, pf 0x%x, status 0x%08x]\n",
1921			  mdump_retain.epoch,
1922			  mdump_retain.pf, mdump_retain.status);
1923	else
1924		DP_NOTICE(p_hwfn,
1925			  "The MFW notified that a critical error occurred in the device\n");
1926
1927	DP_NOTICE(p_hwfn,
1928		  "Acknowledging the notification to not allow the MFW crash dump [driver debug data collection is preferable]\n");
1929	qed_mcp_mdump_ack(p_hwfn, p_ptt);
1930
1931	qed_hw_err_notify(p_hwfn, p_ptt, QED_HW_ERR_HW_ATTN, NULL);
1932}
1933
1934void qed_mcp_read_ufp_config(struct qed_hwfn *p_hwfn, struct qed_ptt *p_ptt)
1935{
1936	struct public_func shmem_info;
1937	u32 port_cfg, val;
1938
1939	if (!test_bit(QED_MF_UFP_SPECIFIC, &p_hwfn->cdev->mf_bits))
1940		return;
1941
1942	memset(&p_hwfn->ufp_info, 0, sizeof(p_hwfn->ufp_info));
1943	port_cfg = qed_rd(p_hwfn, p_ptt, p_hwfn->mcp_info->port_addr +
1944			  offsetof(struct public_port, oem_cfg_port));
1945	val = (port_cfg & OEM_CFG_CHANNEL_TYPE_MASK) >>
1946		OEM_CFG_CHANNEL_TYPE_OFFSET;
1947	if (val != OEM_CFG_CHANNEL_TYPE_STAGGED)
1948		DP_NOTICE(p_hwfn,
1949			  "Incorrect UFP Channel type  %d port_id 0x%02x\n",
1950			  val, MFW_PORT(p_hwfn));
1951
1952	val = (port_cfg & OEM_CFG_SCHED_TYPE_MASK) >> OEM_CFG_SCHED_TYPE_OFFSET;
1953	if (val == OEM_CFG_SCHED_TYPE_ETS) {
1954		p_hwfn->ufp_info.mode = QED_UFP_MODE_ETS;
1955	} else if (val == OEM_CFG_SCHED_TYPE_VNIC_BW) {
1956		p_hwfn->ufp_info.mode = QED_UFP_MODE_VNIC_BW;
1957	} else {
1958		p_hwfn->ufp_info.mode = QED_UFP_MODE_UNKNOWN;
1959		DP_NOTICE(p_hwfn,
1960			  "Unknown UFP scheduling mode %d port_id 0x%02x\n",
1961			  val, MFW_PORT(p_hwfn));
1962	}
1963
1964	qed_mcp_get_shmem_func(p_hwfn, p_ptt, &shmem_info, MCP_PF_ID(p_hwfn));
1965	val = (shmem_info.oem_cfg_func & OEM_CFG_FUNC_TC_MASK) >>
1966		OEM_CFG_FUNC_TC_OFFSET;
1967	p_hwfn->ufp_info.tc = (u8)val;
1968	val = (shmem_info.oem_cfg_func & OEM_CFG_FUNC_HOST_PRI_CTRL_MASK) >>
1969		OEM_CFG_FUNC_HOST_PRI_CTRL_OFFSET;
1970	if (val == OEM_CFG_FUNC_HOST_PRI_CTRL_VNIC) {
1971		p_hwfn->ufp_info.pri_type = QED_UFP_PRI_VNIC;
1972	} else if (val == OEM_CFG_FUNC_HOST_PRI_CTRL_OS) {
1973		p_hwfn->ufp_info.pri_type = QED_UFP_PRI_OS;
1974	} else {
1975		p_hwfn->ufp_info.pri_type = QED_UFP_PRI_UNKNOWN;
1976		DP_NOTICE(p_hwfn,
1977			  "Unknown Host priority control %d port_id 0x%02x\n",
1978			  val, MFW_PORT(p_hwfn));
1979	}
1980
1981	DP_NOTICE(p_hwfn,
1982		  "UFP shmem config: mode = %d tc = %d pri_type = %d port_id 0x%02x\n",
1983		  p_hwfn->ufp_info.mode, p_hwfn->ufp_info.tc,
1984		  p_hwfn->ufp_info.pri_type, MFW_PORT(p_hwfn));
1985}
1986
1987static int
1988qed_mcp_handle_ufp_event(struct qed_hwfn *p_hwfn, struct qed_ptt *p_ptt)
1989{
1990	qed_mcp_read_ufp_config(p_hwfn, p_ptt);
1991
1992	if (p_hwfn->ufp_info.mode == QED_UFP_MODE_VNIC_BW) {
1993		p_hwfn->qm_info.ooo_tc = p_hwfn->ufp_info.tc;
1994		qed_hw_info_set_offload_tc(&p_hwfn->hw_info,
1995					   p_hwfn->ufp_info.tc);
1996
1997		qed_qm_reconf(p_hwfn, p_ptt);
1998	} else if (p_hwfn->ufp_info.mode == QED_UFP_MODE_ETS) {
1999		/* Merge UFP TC with the dcbx TC data */
2000		qed_dcbx_mib_update_event(p_hwfn, p_ptt,
2001					  QED_DCBX_OPERATIONAL_MIB);
2002	} else {
2003		DP_ERR(p_hwfn, "Invalid sched type, discard the UFP config\n");
2004		return -EINVAL;
2005	}
2006
2007	/* update storm FW with negotiation results */
2008	qed_sp_pf_update_ufp(p_hwfn);
2009
2010	/* update stag pcp value */
2011	qed_sp_pf_update_stag(p_hwfn);
2012
2013	return 0;
2014}
2015
2016int qed_mcp_handle_events(struct qed_hwfn *p_hwfn,
2017			  struct qed_ptt *p_ptt)
2018{
2019	struct qed_mcp_info *info = p_hwfn->mcp_info;
2020	int rc = 0;
2021	bool found = false;
2022	u16 i;
2023
2024	DP_VERBOSE(p_hwfn, QED_MSG_SP, "Received message from MFW\n");
2025
2026	/* Read Messages from MFW */
2027	qed_mcp_read_mb(p_hwfn, p_ptt);
2028
2029	/* Compare current messages to old ones */
2030	for (i = 0; i < info->mfw_mb_length; i++) {
2031		if (info->mfw_mb_cur[i] == info->mfw_mb_shadow[i])
2032			continue;
2033
2034		found = true;
2035
2036		DP_VERBOSE(p_hwfn, NETIF_MSG_LINK,
2037			   "Msg [%d] - old CMD 0x%02x, new CMD 0x%02x\n",
2038			   i, info->mfw_mb_shadow[i], info->mfw_mb_cur[i]);
2039
2040		spin_lock_bh(&p_hwfn->mcp_info->unload_lock);
2041		if (test_bit(QED_MCP_BYPASS_PROC_BIT,
2042			     &p_hwfn->mcp_info->mcp_handling_status)) {
2043			spin_unlock_bh(&p_hwfn->mcp_info->unload_lock);
2044			DP_INFO(p_hwfn,
2045				"Msg [%d] is bypassed on unload flow\n", i);
2046			continue;
2047		}
2048
2049		set_bit(QED_MCP_IN_PROCESSING_BIT,
2050			&p_hwfn->mcp_info->mcp_handling_status);
2051		spin_unlock_bh(&p_hwfn->mcp_info->unload_lock);
2052
2053		switch (i) {
2054		case MFW_DRV_MSG_LINK_CHANGE:
2055			qed_mcp_handle_link_change(p_hwfn, p_ptt, false);
2056			break;
2057		case MFW_DRV_MSG_VF_DISABLED:
2058			qed_mcp_handle_vf_flr(p_hwfn, p_ptt);
2059			break;
2060		case MFW_DRV_MSG_LLDP_DATA_UPDATED:
2061			qed_dcbx_mib_update_event(p_hwfn, p_ptt,
2062						  QED_DCBX_REMOTE_LLDP_MIB);
2063			break;
2064		case MFW_DRV_MSG_DCBX_REMOTE_MIB_UPDATED:
2065			qed_dcbx_mib_update_event(p_hwfn, p_ptt,
2066						  QED_DCBX_REMOTE_MIB);
2067			break;
2068		case MFW_DRV_MSG_DCBX_OPERATIONAL_MIB_UPDATED:
2069			qed_dcbx_mib_update_event(p_hwfn, p_ptt,
2070						  QED_DCBX_OPERATIONAL_MIB);
2071			break;
2072		case MFW_DRV_MSG_OEM_CFG_UPDATE:
2073			qed_mcp_handle_ufp_event(p_hwfn, p_ptt);
2074			break;
2075		case MFW_DRV_MSG_TRANSCEIVER_STATE_CHANGE:
2076			qed_mcp_handle_transceiver_change(p_hwfn, p_ptt);
2077			break;
2078		case MFW_DRV_MSG_ERROR_RECOVERY:
2079			qed_mcp_handle_process_kill(p_hwfn, p_ptt);
2080			break;
2081		case MFW_DRV_MSG_GET_LAN_STATS:
2082		case MFW_DRV_MSG_GET_FCOE_STATS:
2083		case MFW_DRV_MSG_GET_ISCSI_STATS:
2084		case MFW_DRV_MSG_GET_RDMA_STATS:
2085			qed_mcp_send_protocol_stats(p_hwfn, p_ptt, i);
2086			break;
2087		case MFW_DRV_MSG_BW_UPDATE:
2088			qed_mcp_update_bw(p_hwfn, p_ptt);
2089			break;
2090		case MFW_DRV_MSG_S_TAG_UPDATE:
2091			qed_mcp_update_stag(p_hwfn, p_ptt);
2092			break;
2093		case MFW_DRV_MSG_FAILURE_DETECTED:
2094			qed_mcp_handle_fan_failure(p_hwfn, p_ptt);
2095			break;
2096		case MFW_DRV_MSG_CRITICAL_ERROR_OCCURRED:
2097			qed_mcp_handle_critical_error(p_hwfn, p_ptt);
2098			break;
2099		case MFW_DRV_MSG_GET_TLV_REQ:
2100			qed_mfw_tlv_req(p_hwfn);
2101			break;
2102		default:
2103			DP_INFO(p_hwfn, "Unimplemented MFW message %d\n", i);
2104			rc = -EINVAL;
2105		}
2106
2107		clear_bit(QED_MCP_IN_PROCESSING_BIT,
2108			  &p_hwfn->mcp_info->mcp_handling_status);
2109	}
2110
2111	/* ACK everything */
2112	for (i = 0; i < MFW_DRV_MSG_MAX_DWORDS(info->mfw_mb_length); i++) {
2113		__be32 val = cpu_to_be32(((u32 *)info->mfw_mb_cur)[i]);
2114
2115		/* MFW expect answer in BE, so we force write in that format */
2116		qed_wr(p_hwfn, p_ptt,
2117		       info->mfw_mb_addr + sizeof(u32) +
2118		       MFW_DRV_MSG_MAX_DWORDS(info->mfw_mb_length) *
2119		       sizeof(u32) + i * sizeof(u32),
2120		       (__force u32)val);
2121	}
2122
2123	if (!found) {
2124		DP_NOTICE(p_hwfn,
2125			  "Received an MFW message indication but no new message!\n");
2126		rc = -EINVAL;
2127	}
2128
2129	/* Copy the new mfw messages into the shadow */
2130	memcpy(info->mfw_mb_shadow, info->mfw_mb_cur, info->mfw_mb_length);
2131
2132	return rc;
2133}
2134
2135int qed_mcp_get_mfw_ver(struct qed_hwfn *p_hwfn,
2136			struct qed_ptt *p_ptt,
2137			u32 *p_mfw_ver, u32 *p_running_bundle_id)
2138{
2139	u32 global_offsize, public_base;
2140
2141	if (IS_VF(p_hwfn->cdev)) {
2142		if (p_hwfn->vf_iov_info) {
2143			struct pfvf_acquire_resp_tlv *p_resp;
2144
2145			p_resp = &p_hwfn->vf_iov_info->acquire_resp;
2146			*p_mfw_ver = p_resp->pfdev_info.mfw_ver;
2147			return 0;
2148		} else {
2149			DP_VERBOSE(p_hwfn,
2150				   QED_MSG_IOV,
2151				   "VF requested MFW version prior to ACQUIRE\n");
2152			return -EINVAL;
2153		}
2154	}
2155
2156	public_base = p_hwfn->mcp_info->public_base;
2157	global_offsize = qed_rd(p_hwfn, p_ptt,
2158				SECTION_OFFSIZE_ADDR(public_base,
 
2159						     PUBLIC_GLOBAL));
2160	*p_mfw_ver =
2161	    qed_rd(p_hwfn, p_ptt,
2162		   SECTION_ADDR(global_offsize,
2163				0) + offsetof(struct public_global, mfw_ver));
2164
2165	if (p_running_bundle_id) {
2166		*p_running_bundle_id = qed_rd(p_hwfn, p_ptt,
2167					      SECTION_ADDR(global_offsize, 0) +
2168					      offsetof(struct public_global,
2169						       running_bundle_id));
2170	}
2171
2172	return 0;
2173}
2174
2175int qed_mcp_get_mbi_ver(struct qed_hwfn *p_hwfn,
2176			struct qed_ptt *p_ptt, u32 *p_mbi_ver)
2177{
2178	u32 nvm_cfg_addr, nvm_cfg1_offset, mbi_ver_addr;
2179
2180	if (IS_VF(p_hwfn->cdev))
2181		return -EINVAL;
2182
2183	/* Read the address of the nvm_cfg */
2184	nvm_cfg_addr = qed_rd(p_hwfn, p_ptt, MISC_REG_GEN_PURP_CR0);
2185	if (!nvm_cfg_addr) {
2186		DP_NOTICE(p_hwfn, "Shared memory not initialized\n");
2187		return -EINVAL;
2188	}
2189
2190	/* Read the offset of nvm_cfg1 */
2191	nvm_cfg1_offset = qed_rd(p_hwfn, p_ptt, nvm_cfg_addr + 4);
2192
2193	mbi_ver_addr = MCP_REG_SCRATCH + nvm_cfg1_offset +
2194		       offsetof(struct nvm_cfg1, glob) +
2195		       offsetof(struct nvm_cfg1_glob, mbi_version);
2196	*p_mbi_ver = qed_rd(p_hwfn, p_ptt,
2197			    mbi_ver_addr) &
2198		     (NVM_CFG1_GLOB_MBI_VERSION_0_MASK |
2199		      NVM_CFG1_GLOB_MBI_VERSION_1_MASK |
2200		      NVM_CFG1_GLOB_MBI_VERSION_2_MASK);
2201
2202	return 0;
2203}
2204
2205int qed_mcp_get_media_type(struct qed_hwfn *p_hwfn,
2206			   struct qed_ptt *p_ptt, u32 *p_media_type)
2207{
2208	*p_media_type = MEDIA_UNSPECIFIED;
2209
2210	if (IS_VF(p_hwfn->cdev))
2211		return -EINVAL;
2212
2213	if (!qed_mcp_is_init(p_hwfn)) {
2214		DP_NOTICE(p_hwfn, "MFW is not initialized!\n");
2215		return -EBUSY;
2216	}
2217
2218	if (!p_ptt) {
2219		*p_media_type = MEDIA_UNSPECIFIED;
2220		return -EINVAL;
2221	}
2222
2223	*p_media_type = qed_rd(p_hwfn, p_ptt,
2224			       p_hwfn->mcp_info->port_addr +
2225			       offsetof(struct public_port,
2226					media_type));
2227
2228	return 0;
2229}
2230
2231int qed_mcp_get_transceiver_data(struct qed_hwfn *p_hwfn,
2232				 struct qed_ptt *p_ptt,
2233				 u32 *p_transceiver_state,
2234				 u32 *p_transceiver_type)
2235{
2236	u32 transceiver_info;
2237
2238	*p_transceiver_type = ETH_TRANSCEIVER_TYPE_NONE;
2239	*p_transceiver_state = ETH_TRANSCEIVER_STATE_UPDATING;
2240
2241	if (IS_VF(p_hwfn->cdev))
2242		return -EINVAL;
2243
2244	if (!qed_mcp_is_init(p_hwfn)) {
2245		DP_NOTICE(p_hwfn, "MFW is not initialized!\n");
2246		return -EBUSY;
2247	}
2248
2249	transceiver_info = qed_rd(p_hwfn, p_ptt,
2250				  p_hwfn->mcp_info->port_addr +
2251				  offsetof(struct public_port,
2252					   transceiver_data));
2253
2254	*p_transceiver_state = (transceiver_info &
2255				ETH_TRANSCEIVER_STATE_MASK) >>
2256				ETH_TRANSCEIVER_STATE_OFFSET;
2257
2258	if (*p_transceiver_state == ETH_TRANSCEIVER_STATE_PRESENT)
2259		*p_transceiver_type = (transceiver_info &
2260				       ETH_TRANSCEIVER_TYPE_MASK) >>
2261				       ETH_TRANSCEIVER_TYPE_OFFSET;
2262	else
2263		*p_transceiver_type = ETH_TRANSCEIVER_TYPE_UNKNOWN;
2264
2265	return 0;
2266}
2267
2268static bool qed_is_transceiver_ready(u32 transceiver_state,
2269				     u32 transceiver_type)
2270{
2271	if ((transceiver_state & ETH_TRANSCEIVER_STATE_PRESENT) &&
2272	    ((transceiver_state & ETH_TRANSCEIVER_STATE_UPDATING) == 0x0) &&
2273	    (transceiver_type != ETH_TRANSCEIVER_TYPE_NONE))
2274		return true;
2275
2276	return false;
2277}
2278
2279int qed_mcp_trans_speed_mask(struct qed_hwfn *p_hwfn,
2280			     struct qed_ptt *p_ptt, u32 *p_speed_mask)
2281{
2282	u32 transceiver_type, transceiver_state;
2283	int ret;
2284
2285	ret = qed_mcp_get_transceiver_data(p_hwfn, p_ptt, &transceiver_state,
2286					   &transceiver_type);
2287	if (ret)
2288		return ret;
2289
2290	if (qed_is_transceiver_ready(transceiver_state, transceiver_type) ==
2291				     false)
2292		return -EINVAL;
2293
2294	switch (transceiver_type) {
2295	case ETH_TRANSCEIVER_TYPE_1G_LX:
2296	case ETH_TRANSCEIVER_TYPE_1G_SX:
2297	case ETH_TRANSCEIVER_TYPE_1G_PCC:
2298	case ETH_TRANSCEIVER_TYPE_1G_ACC:
2299	case ETH_TRANSCEIVER_TYPE_1000BASET:
2300		*p_speed_mask = NVM_CFG1_PORT_DRV_SPEED_CAPABILITY_MASK_1G;
2301		break;
2302	case ETH_TRANSCEIVER_TYPE_10G_SR:
2303	case ETH_TRANSCEIVER_TYPE_10G_LR:
2304	case ETH_TRANSCEIVER_TYPE_10G_LRM:
2305	case ETH_TRANSCEIVER_TYPE_10G_ER:
2306	case ETH_TRANSCEIVER_TYPE_10G_PCC:
2307	case ETH_TRANSCEIVER_TYPE_10G_ACC:
2308	case ETH_TRANSCEIVER_TYPE_4x10G:
2309		*p_speed_mask = NVM_CFG1_PORT_DRV_SPEED_CAPABILITY_MASK_10G;
2310		break;
2311	case ETH_TRANSCEIVER_TYPE_40G_LR4:
2312	case ETH_TRANSCEIVER_TYPE_40G_SR4:
2313	case ETH_TRANSCEIVER_TYPE_MULTI_RATE_10G_40G_SR:
2314	case ETH_TRANSCEIVER_TYPE_MULTI_RATE_10G_40G_LR:
2315		*p_speed_mask = NVM_CFG1_PORT_DRV_SPEED_CAPABILITY_MASK_40G |
2316		    NVM_CFG1_PORT_DRV_SPEED_CAPABILITY_MASK_10G;
2317		break;
2318	case ETH_TRANSCEIVER_TYPE_100G_AOC:
2319	case ETH_TRANSCEIVER_TYPE_100G_SR4:
2320	case ETH_TRANSCEIVER_TYPE_100G_LR4:
2321	case ETH_TRANSCEIVER_TYPE_100G_ER4:
2322	case ETH_TRANSCEIVER_TYPE_100G_ACC:
2323		*p_speed_mask =
2324		    NVM_CFG1_PORT_DRV_SPEED_CAPABILITY_MASK_BB_100G |
2325		    NVM_CFG1_PORT_DRV_SPEED_CAPABILITY_MASK_25G;
2326		break;
2327	case ETH_TRANSCEIVER_TYPE_25G_SR:
2328	case ETH_TRANSCEIVER_TYPE_25G_LR:
2329	case ETH_TRANSCEIVER_TYPE_25G_AOC:
2330	case ETH_TRANSCEIVER_TYPE_25G_ACC_S:
2331	case ETH_TRANSCEIVER_TYPE_25G_ACC_M:
2332	case ETH_TRANSCEIVER_TYPE_25G_ACC_L:
2333		*p_speed_mask = NVM_CFG1_PORT_DRV_SPEED_CAPABILITY_MASK_25G;
2334		break;
2335	case ETH_TRANSCEIVER_TYPE_25G_CA_N:
2336	case ETH_TRANSCEIVER_TYPE_25G_CA_S:
2337	case ETH_TRANSCEIVER_TYPE_25G_CA_L:
2338	case ETH_TRANSCEIVER_TYPE_4x25G_CR:
2339		*p_speed_mask = NVM_CFG1_PORT_DRV_SPEED_CAPABILITY_MASK_25G |
2340		    NVM_CFG1_PORT_DRV_SPEED_CAPABILITY_MASK_10G |
2341		    NVM_CFG1_PORT_DRV_SPEED_CAPABILITY_MASK_1G;
2342		break;
2343	case ETH_TRANSCEIVER_TYPE_MULTI_RATE_10G_25G_SR:
2344	case ETH_TRANSCEIVER_TYPE_MULTI_RATE_10G_25G_LR:
2345		*p_speed_mask = NVM_CFG1_PORT_DRV_SPEED_CAPABILITY_MASK_25G |
2346				NVM_CFG1_PORT_DRV_SPEED_CAPABILITY_MASK_10G;
2347		break;
2348	case ETH_TRANSCEIVER_TYPE_40G_CR4:
2349	case ETH_TRANSCEIVER_TYPE_MULTI_RATE_10G_40G_CR:
2350		*p_speed_mask = NVM_CFG1_PORT_DRV_SPEED_CAPABILITY_MASK_40G |
2351		    NVM_CFG1_PORT_DRV_SPEED_CAPABILITY_MASK_10G |
2352		    NVM_CFG1_PORT_DRV_SPEED_CAPABILITY_MASK_1G;
2353		break;
2354	case ETH_TRANSCEIVER_TYPE_100G_CR4:
2355	case ETH_TRANSCEIVER_TYPE_MULTI_RATE_40G_100G_CR:
2356		*p_speed_mask =
2357		    NVM_CFG1_PORT_DRV_SPEED_CAPABILITY_MASK_BB_100G |
2358		    NVM_CFG1_PORT_DRV_SPEED_CAPABILITY_MASK_50G |
2359		    NVM_CFG1_PORT_DRV_SPEED_CAPABILITY_MASK_40G |
2360		    NVM_CFG1_PORT_DRV_SPEED_CAPABILITY_MASK_25G |
2361		    NVM_CFG1_PORT_DRV_SPEED_CAPABILITY_MASK_20G |
2362		    NVM_CFG1_PORT_DRV_SPEED_CAPABILITY_MASK_10G |
2363		    NVM_CFG1_PORT_DRV_SPEED_CAPABILITY_MASK_1G;
2364		break;
2365	case ETH_TRANSCEIVER_TYPE_MULTI_RATE_40G_100G_SR:
2366	case ETH_TRANSCEIVER_TYPE_MULTI_RATE_40G_100G_LR:
2367	case ETH_TRANSCEIVER_TYPE_MULTI_RATE_40G_100G_AOC:
2368		*p_speed_mask =
2369		    NVM_CFG1_PORT_DRV_SPEED_CAPABILITY_MASK_BB_100G |
2370		    NVM_CFG1_PORT_DRV_SPEED_CAPABILITY_MASK_40G |
2371		    NVM_CFG1_PORT_DRV_SPEED_CAPABILITY_MASK_25G |
2372		    NVM_CFG1_PORT_DRV_SPEED_CAPABILITY_MASK_10G;
2373		break;
2374	case ETH_TRANSCEIVER_TYPE_XLPPI:
2375		*p_speed_mask = NVM_CFG1_PORT_DRV_SPEED_CAPABILITY_MASK_40G;
2376		break;
2377	case ETH_TRANSCEIVER_TYPE_10G_BASET:
2378	case ETH_TRANSCEIVER_TYPE_MULTI_RATE_1G_10G_SR:
2379	case ETH_TRANSCEIVER_TYPE_MULTI_RATE_1G_10G_LR:
2380		*p_speed_mask = NVM_CFG1_PORT_DRV_SPEED_CAPABILITY_MASK_10G |
2381				NVM_CFG1_PORT_DRV_SPEED_CAPABILITY_MASK_1G;
2382		break;
2383	default:
2384		DP_INFO(p_hwfn, "Unknown transceiver type 0x%x\n",
2385			transceiver_type);
2386		*p_speed_mask = 0xff;
2387		break;
2388	}
2389
2390	return 0;
2391}
2392
2393int qed_mcp_get_board_config(struct qed_hwfn *p_hwfn,
2394			     struct qed_ptt *p_ptt, u32 *p_board_config)
2395{
2396	u32 nvm_cfg_addr, nvm_cfg1_offset, port_cfg_addr;
2397
2398	if (IS_VF(p_hwfn->cdev))
2399		return -EINVAL;
2400
2401	if (!qed_mcp_is_init(p_hwfn)) {
2402		DP_NOTICE(p_hwfn, "MFW is not initialized!\n");
2403		return -EBUSY;
2404	}
2405	if (!p_ptt) {
2406		*p_board_config = NVM_CFG1_PORT_PORT_TYPE_UNDEFINED;
2407		return -EINVAL;
2408	}
2409
2410	nvm_cfg_addr = qed_rd(p_hwfn, p_ptt, MISC_REG_GEN_PURP_CR0);
2411	nvm_cfg1_offset = qed_rd(p_hwfn, p_ptt, nvm_cfg_addr + 4);
2412	port_cfg_addr = MCP_REG_SCRATCH + nvm_cfg1_offset +
2413			offsetof(struct nvm_cfg1, port[MFW_PORT(p_hwfn)]);
2414	*p_board_config = qed_rd(p_hwfn, p_ptt,
2415				 port_cfg_addr +
2416				 offsetof(struct nvm_cfg1_port,
2417					  board_cfg));
2418
2419	return 0;
2420}
2421
2422/* Old MFW has a global configuration for all PFs regarding RDMA support */
2423static void
2424qed_mcp_get_shmem_proto_legacy(struct qed_hwfn *p_hwfn,
2425			       enum qed_pci_personality *p_proto)
2426{
2427	/* There wasn't ever a legacy MFW that published iwarp.
2428	 * So at this point, this is either plain l2 or RoCE.
2429	 */
2430	if (test_bit(QED_DEV_CAP_ROCE, &p_hwfn->hw_info.device_capabilities))
2431		*p_proto = QED_PCI_ETH_ROCE;
2432	else
2433		*p_proto = QED_PCI_ETH;
2434
2435	DP_VERBOSE(p_hwfn, NETIF_MSG_IFUP,
2436		   "According to Legacy capabilities, L2 personality is %08x\n",
2437		   (u32)*p_proto);
2438}
2439
2440static int
2441qed_mcp_get_shmem_proto_mfw(struct qed_hwfn *p_hwfn,
2442			    struct qed_ptt *p_ptt,
2443			    enum qed_pci_personality *p_proto)
2444{
2445	u32 resp = 0, param = 0;
2446	int rc;
2447
2448	rc = qed_mcp_cmd(p_hwfn, p_ptt,
2449			 DRV_MSG_CODE_GET_PF_RDMA_PROTOCOL, 0, &resp, &param);
2450	if (rc)
2451		return rc;
2452	if (resp != FW_MSG_CODE_OK) {
2453		DP_VERBOSE(p_hwfn, NETIF_MSG_IFUP,
2454			   "MFW lacks support for command; Returns %08x\n",
2455			   resp);
2456		return -EINVAL;
2457	}
2458
2459	switch (param) {
2460	case FW_MB_PARAM_GET_PF_RDMA_NONE:
2461		*p_proto = QED_PCI_ETH;
2462		break;
2463	case FW_MB_PARAM_GET_PF_RDMA_ROCE:
2464		*p_proto = QED_PCI_ETH_ROCE;
2465		break;
2466	case FW_MB_PARAM_GET_PF_RDMA_IWARP:
2467		*p_proto = QED_PCI_ETH_IWARP;
2468		break;
2469	case FW_MB_PARAM_GET_PF_RDMA_BOTH:
2470		*p_proto = QED_PCI_ETH_RDMA;
2471		break;
2472	default:
2473		DP_NOTICE(p_hwfn,
2474			  "MFW answers GET_PF_RDMA_PROTOCOL but param is %08x\n",
2475			  param);
2476		return -EINVAL;
2477	}
2478
2479	DP_VERBOSE(p_hwfn,
2480		   NETIF_MSG_IFUP,
2481		   "According to capabilities, L2 personality is %08x [resp %08x param %08x]\n",
2482		   (u32)*p_proto, resp, param);
2483	return 0;
2484}
2485
2486static int
2487qed_mcp_get_shmem_proto(struct qed_hwfn *p_hwfn,
2488			struct public_func *p_info,
2489			struct qed_ptt *p_ptt,
2490			enum qed_pci_personality *p_proto)
2491{
2492	int rc = 0;
2493
2494	switch (p_info->config & FUNC_MF_CFG_PROTOCOL_MASK) {
2495	case FUNC_MF_CFG_PROTOCOL_ETHERNET:
2496		if (!IS_ENABLED(CONFIG_QED_RDMA))
2497			*p_proto = QED_PCI_ETH;
2498		else if (qed_mcp_get_shmem_proto_mfw(p_hwfn, p_ptt, p_proto))
2499			qed_mcp_get_shmem_proto_legacy(p_hwfn, p_proto);
2500		break;
2501	case FUNC_MF_CFG_PROTOCOL_ISCSI:
2502		*p_proto = QED_PCI_ISCSI;
2503		break;
2504	case FUNC_MF_CFG_PROTOCOL_FCOE:
2505		*p_proto = QED_PCI_FCOE;
2506		break;
2507	case FUNC_MF_CFG_PROTOCOL_ROCE:
2508		DP_NOTICE(p_hwfn, "RoCE personality is not a valid value!\n");
2509		fallthrough;
2510	default:
2511		rc = -EINVAL;
2512	}
2513
2514	return rc;
2515}
2516
2517int qed_mcp_fill_shmem_func_info(struct qed_hwfn *p_hwfn,
2518				 struct qed_ptt *p_ptt)
2519{
2520	struct qed_mcp_function_info *info;
2521	struct public_func shmem_info;
2522
2523	qed_mcp_get_shmem_func(p_hwfn, p_ptt, &shmem_info, MCP_PF_ID(p_hwfn));
2524	info = &p_hwfn->mcp_info->func_info;
2525
2526	info->pause_on_host = (shmem_info.config &
2527			       FUNC_MF_CFG_PAUSE_ON_HOST_RING) ? 1 : 0;
2528
2529	if (qed_mcp_get_shmem_proto(p_hwfn, &shmem_info, p_ptt,
2530				    &info->protocol)) {
2531		DP_ERR(p_hwfn, "Unknown personality %08x\n",
2532		       (u32)(shmem_info.config & FUNC_MF_CFG_PROTOCOL_MASK));
2533		return -EINVAL;
2534	}
2535
2536	qed_read_pf_bandwidth(p_hwfn, &shmem_info);
2537
2538	if (shmem_info.mac_upper || shmem_info.mac_lower) {
2539		info->mac[0] = (u8)(shmem_info.mac_upper >> 8);
2540		info->mac[1] = (u8)(shmem_info.mac_upper);
2541		info->mac[2] = (u8)(shmem_info.mac_lower >> 24);
2542		info->mac[3] = (u8)(shmem_info.mac_lower >> 16);
2543		info->mac[4] = (u8)(shmem_info.mac_lower >> 8);
2544		info->mac[5] = (u8)(shmem_info.mac_lower);
2545
2546		/* Store primary MAC for later possible WoL */
2547		memcpy(&p_hwfn->cdev->wol_mac, info->mac, ETH_ALEN);
2548	} else {
2549		DP_NOTICE(p_hwfn, "MAC is 0 in shmem\n");
2550	}
2551
2552	info->wwn_port = (u64)shmem_info.fcoe_wwn_port_name_lower |
2553			 (((u64)shmem_info.fcoe_wwn_port_name_upper) << 32);
2554	info->wwn_node = (u64)shmem_info.fcoe_wwn_node_name_lower |
2555			 (((u64)shmem_info.fcoe_wwn_node_name_upper) << 32);
2556
2557	info->ovlan = (u16)(shmem_info.ovlan_stag & FUNC_MF_CFG_OV_STAG_MASK);
2558
2559	info->mtu = (u16)shmem_info.mtu_size;
2560
2561	p_hwfn->hw_info.b_wol_support = QED_WOL_SUPPORT_NONE;
2562	p_hwfn->cdev->wol_config = (u8)QED_OV_WOL_DEFAULT;
2563	if (qed_mcp_is_init(p_hwfn)) {
2564		u32 resp = 0, param = 0;
2565		int rc;
2566
2567		rc = qed_mcp_cmd(p_hwfn, p_ptt,
2568				 DRV_MSG_CODE_OS_WOL, 0, &resp, &param);
2569		if (rc)
2570			return rc;
2571		if (resp == FW_MSG_CODE_OS_WOL_SUPPORTED)
2572			p_hwfn->hw_info.b_wol_support = QED_WOL_SUPPORT_PME;
2573	}
2574
2575	DP_VERBOSE(p_hwfn, (QED_MSG_SP | NETIF_MSG_IFUP),
2576		   "Read configuration from shmem: pause_on_host %02x protocol %02x BW [%02x - %02x] MAC %pM wwn port %llx node %llx ovlan %04x wol %02x\n",
2577		info->pause_on_host, info->protocol,
2578		info->bandwidth_min, info->bandwidth_max,
2579		info->mac,
 
2580		info->wwn_port, info->wwn_node,
2581		info->ovlan, (u8)p_hwfn->hw_info.b_wol_support);
2582
2583	return 0;
2584}
2585
2586struct qed_mcp_link_params
2587*qed_mcp_get_link_params(struct qed_hwfn *p_hwfn)
2588{
2589	if (!p_hwfn || !p_hwfn->mcp_info)
2590		return NULL;
2591	return &p_hwfn->mcp_info->link_input;
2592}
2593
2594struct qed_mcp_link_state
2595*qed_mcp_get_link_state(struct qed_hwfn *p_hwfn)
2596{
2597	if (!p_hwfn || !p_hwfn->mcp_info)
2598		return NULL;
2599	return &p_hwfn->mcp_info->link_output;
2600}
2601
2602struct qed_mcp_link_capabilities
2603*qed_mcp_get_link_capabilities(struct qed_hwfn *p_hwfn)
2604{
2605	if (!p_hwfn || !p_hwfn->mcp_info)
2606		return NULL;
2607	return &p_hwfn->mcp_info->link_capabilities;
2608}
2609
2610int qed_mcp_drain(struct qed_hwfn *p_hwfn, struct qed_ptt *p_ptt)
2611{
2612	u32 resp = 0, param = 0;
2613	int rc;
2614
2615	rc = qed_mcp_cmd(p_hwfn, p_ptt,
2616			 DRV_MSG_CODE_NIG_DRAIN, 1000, &resp, &param);
2617
2618	/* Wait for the drain to complete before returning */
2619	msleep(1020);
2620
2621	return rc;
2622}
2623
2624int qed_mcp_get_flash_size(struct qed_hwfn *p_hwfn,
2625			   struct qed_ptt *p_ptt, u32 *p_flash_size)
2626{
2627	u32 flash_size;
2628
2629	if (IS_VF(p_hwfn->cdev))
2630		return -EINVAL;
2631
2632	flash_size = qed_rd(p_hwfn, p_ptt, MCP_REG_NVM_CFG4);
2633	flash_size = (flash_size & MCP_REG_NVM_CFG4_FLASH_SIZE) >>
2634		      MCP_REG_NVM_CFG4_FLASH_SIZE_SHIFT;
2635	flash_size = (1 << (flash_size + MCP_BYTES_PER_MBIT_SHIFT));
2636
2637	*p_flash_size = flash_size;
2638
2639	return 0;
2640}
2641
2642int qed_start_recovery_process(struct qed_hwfn *p_hwfn, struct qed_ptt *p_ptt)
2643{
2644	struct qed_dev *cdev = p_hwfn->cdev;
2645
2646	if (cdev->recov_in_prog) {
2647		DP_NOTICE(p_hwfn,
2648			  "Avoid triggering a recovery since such a process is already in progress\n");
2649		return -EAGAIN;
2650	}
2651
2652	DP_NOTICE(p_hwfn, "Triggering a recovery process\n");
2653	qed_wr(p_hwfn, p_ptt, MISC_REG_AEU_GENERAL_ATTN_35, 0x1);
2654
2655	return 0;
2656}
2657
2658#define QED_RECOVERY_PROLOG_SLEEP_MS    100
2659
2660int qed_recovery_prolog(struct qed_dev *cdev)
2661{
2662	struct qed_hwfn *p_hwfn = QED_LEADING_HWFN(cdev);
2663	struct qed_ptt *p_ptt = p_hwfn->p_main_ptt;
2664	int rc;
2665
2666	/* Allow ongoing PCIe transactions to complete */
2667	msleep(QED_RECOVERY_PROLOG_SLEEP_MS);
2668
2669	/* Clear the PF's internal FID_enable in the PXP */
2670	rc = qed_pglueb_set_pfid_enable(p_hwfn, p_ptt, false);
2671	if (rc)
2672		DP_NOTICE(p_hwfn,
2673			  "qed_pglueb_set_pfid_enable() failed. rc = %d.\n",
2674			  rc);
2675
2676	return rc;
2677}
2678
2679static int
2680qed_mcp_config_vf_msix_bb(struct qed_hwfn *p_hwfn,
2681			  struct qed_ptt *p_ptt, u8 vf_id, u8 num)
2682{
2683	u32 resp = 0, param = 0, rc_param = 0;
2684	int rc;
2685
2686	/* Only Leader can configure MSIX, and need to take CMT into account */
2687	if (!IS_LEAD_HWFN(p_hwfn))
2688		return 0;
2689	num *= p_hwfn->cdev->num_hwfns;
2690
2691	param |= (vf_id << DRV_MB_PARAM_CFG_VF_MSIX_VF_ID_SHIFT) &
2692		 DRV_MB_PARAM_CFG_VF_MSIX_VF_ID_MASK;
2693	param |= (num << DRV_MB_PARAM_CFG_VF_MSIX_SB_NUM_SHIFT) &
2694		 DRV_MB_PARAM_CFG_VF_MSIX_SB_NUM_MASK;
2695
2696	rc = qed_mcp_cmd(p_hwfn, p_ptt, DRV_MSG_CODE_CFG_VF_MSIX, param,
2697			 &resp, &rc_param);
2698
2699	if (resp != FW_MSG_CODE_DRV_CFG_VF_MSIX_DONE) {
2700		DP_NOTICE(p_hwfn, "VF[%d]: MFW failed to set MSI-X\n", vf_id);
2701		rc = -EINVAL;
2702	} else {
2703		DP_VERBOSE(p_hwfn, QED_MSG_IOV,
2704			   "Requested 0x%02x MSI-x interrupts from VF 0x%02x\n",
2705			   num, vf_id);
2706	}
2707
2708	return rc;
2709}
2710
2711static int
2712qed_mcp_config_vf_msix_ah(struct qed_hwfn *p_hwfn,
2713			  struct qed_ptt *p_ptt, u8 num)
2714{
2715	u32 resp = 0, param = num, rc_param = 0;
2716	int rc;
2717
2718	rc = qed_mcp_cmd(p_hwfn, p_ptt, DRV_MSG_CODE_CFG_PF_VFS_MSIX,
2719			 param, &resp, &rc_param);
2720
2721	if (resp != FW_MSG_CODE_DRV_CFG_PF_VFS_MSIX_DONE) {
2722		DP_NOTICE(p_hwfn, "MFW failed to set MSI-X for VFs\n");
2723		rc = -EINVAL;
2724	} else {
2725		DP_VERBOSE(p_hwfn, QED_MSG_IOV,
2726			   "Requested 0x%02x MSI-x interrupts for VFs\n", num);
2727	}
2728
2729	return rc;
2730}
2731
2732int qed_mcp_config_vf_msix(struct qed_hwfn *p_hwfn,
2733			   struct qed_ptt *p_ptt, u8 vf_id, u8 num)
2734{
2735	if (QED_IS_BB(p_hwfn->cdev))
2736		return qed_mcp_config_vf_msix_bb(p_hwfn, p_ptt, vf_id, num);
2737	else
2738		return qed_mcp_config_vf_msix_ah(p_hwfn, p_ptt, num);
2739}
2740
2741int
2742qed_mcp_send_drv_version(struct qed_hwfn *p_hwfn,
2743			 struct qed_ptt *p_ptt,
2744			 struct qed_mcp_drv_version *p_ver)
2745{
2746	struct qed_mcp_mb_params mb_params;
2747	struct drv_version_stc drv_version;
2748	__be32 val;
2749	u32 i;
2750	int rc;
2751
2752	memset(&drv_version, 0, sizeof(drv_version));
2753	drv_version.version = p_ver->version;
2754	for (i = 0; i < (MCP_DRV_VER_STR_SIZE - 4) / sizeof(u32); i++) {
2755		val = cpu_to_be32(*((u32 *)&p_ver->name[i * sizeof(u32)]));
2756		*(__be32 *)&drv_version.name[i * sizeof(u32)] = val;
2757	}
2758
2759	memset(&mb_params, 0, sizeof(mb_params));
2760	mb_params.cmd = DRV_MSG_CODE_SET_VERSION;
2761	mb_params.p_data_src = &drv_version;
2762	mb_params.data_src_size = sizeof(drv_version);
2763	rc = qed_mcp_cmd_and_union(p_hwfn, p_ptt, &mb_params);
2764	if (rc)
2765		DP_ERR(p_hwfn, "MCP response failure, aborting\n");
2766
2767	return rc;
2768}
2769
2770/* A maximal 100 msec waiting time for the MCP to halt */
2771#define QED_MCP_HALT_SLEEP_MS		10
2772#define QED_MCP_HALT_MAX_RETRIES	10
2773
2774int qed_mcp_halt(struct qed_hwfn *p_hwfn, struct qed_ptt *p_ptt)
2775{
2776	u32 resp = 0, param = 0, cpu_state, cnt = 0;
2777	int rc;
2778
2779	rc = qed_mcp_cmd(p_hwfn, p_ptt, DRV_MSG_CODE_MCP_HALT, 0, &resp,
2780			 &param);
2781	if (rc) {
2782		DP_ERR(p_hwfn, "MCP response failure, aborting\n");
2783		return rc;
2784	}
2785
2786	do {
2787		msleep(QED_MCP_HALT_SLEEP_MS);
2788		cpu_state = qed_rd(p_hwfn, p_ptt, MCP_REG_CPU_STATE);
2789		if (cpu_state & MCP_REG_CPU_STATE_SOFT_HALTED)
2790			break;
2791	} while (++cnt < QED_MCP_HALT_MAX_RETRIES);
2792
2793	if (cnt == QED_MCP_HALT_MAX_RETRIES) {
2794		DP_NOTICE(p_hwfn,
2795			  "Failed to halt the MCP [CPU_MODE = 0x%08x, CPU_STATE = 0x%08x]\n",
2796			  qed_rd(p_hwfn, p_ptt, MCP_REG_CPU_MODE), cpu_state);
2797		return -EBUSY;
2798	}
2799
2800	qed_mcp_cmd_set_blocking(p_hwfn, true);
2801
2802	return 0;
2803}
2804
2805#define QED_MCP_RESUME_SLEEP_MS	10
2806
2807int qed_mcp_resume(struct qed_hwfn *p_hwfn, struct qed_ptt *p_ptt)
2808{
2809	u32 cpu_mode, cpu_state;
2810
2811	qed_wr(p_hwfn, p_ptt, MCP_REG_CPU_STATE, 0xffffffff);
2812
2813	cpu_mode = qed_rd(p_hwfn, p_ptt, MCP_REG_CPU_MODE);
2814	cpu_mode &= ~MCP_REG_CPU_MODE_SOFT_HALT;
2815	qed_wr(p_hwfn, p_ptt, MCP_REG_CPU_MODE, cpu_mode);
2816	msleep(QED_MCP_RESUME_SLEEP_MS);
2817	cpu_state = qed_rd(p_hwfn, p_ptt, MCP_REG_CPU_STATE);
2818
2819	if (cpu_state & MCP_REG_CPU_STATE_SOFT_HALTED) {
2820		DP_NOTICE(p_hwfn,
2821			  "Failed to resume the MCP [CPU_MODE = 0x%08x, CPU_STATE = 0x%08x]\n",
2822			  cpu_mode, cpu_state);
2823		return -EBUSY;
2824	}
2825
2826	qed_mcp_cmd_set_blocking(p_hwfn, false);
2827
2828	return 0;
2829}
2830
2831int qed_mcp_ov_update_current_config(struct qed_hwfn *p_hwfn,
2832				     struct qed_ptt *p_ptt,
2833				     enum qed_ov_client client)
2834{
2835	u32 resp = 0, param = 0;
2836	u32 drv_mb_param;
2837	int rc;
2838
2839	switch (client) {
2840	case QED_OV_CLIENT_DRV:
2841		drv_mb_param = DRV_MB_PARAM_OV_CURR_CFG_OS;
2842		break;
2843	case QED_OV_CLIENT_USER:
2844		drv_mb_param = DRV_MB_PARAM_OV_CURR_CFG_OTHER;
2845		break;
2846	case QED_OV_CLIENT_VENDOR_SPEC:
2847		drv_mb_param = DRV_MB_PARAM_OV_CURR_CFG_VENDOR_SPEC;
2848		break;
2849	default:
2850		DP_NOTICE(p_hwfn, "Invalid client type %d\n", client);
2851		return -EINVAL;
2852	}
2853
2854	rc = qed_mcp_cmd(p_hwfn, p_ptt, DRV_MSG_CODE_OV_UPDATE_CURR_CFG,
2855			 drv_mb_param, &resp, &param);
2856	if (rc)
2857		DP_ERR(p_hwfn, "MCP response failure, aborting\n");
2858
2859	return rc;
2860}
2861
2862int qed_mcp_ov_update_driver_state(struct qed_hwfn *p_hwfn,
2863				   struct qed_ptt *p_ptt,
2864				   enum qed_ov_driver_state drv_state)
2865{
2866	u32 resp = 0, param = 0;
2867	u32 drv_mb_param;
2868	int rc;
2869
2870	switch (drv_state) {
2871	case QED_OV_DRIVER_STATE_NOT_LOADED:
2872		drv_mb_param = DRV_MSG_CODE_OV_UPDATE_DRIVER_STATE_NOT_LOADED;
2873		break;
2874	case QED_OV_DRIVER_STATE_DISABLED:
2875		drv_mb_param = DRV_MSG_CODE_OV_UPDATE_DRIVER_STATE_DISABLED;
2876		break;
2877	case QED_OV_DRIVER_STATE_ACTIVE:
2878		drv_mb_param = DRV_MSG_CODE_OV_UPDATE_DRIVER_STATE_ACTIVE;
2879		break;
2880	default:
2881		DP_NOTICE(p_hwfn, "Invalid driver state %d\n", drv_state);
2882		return -EINVAL;
2883	}
2884
2885	rc = qed_mcp_cmd(p_hwfn, p_ptt, DRV_MSG_CODE_OV_UPDATE_DRIVER_STATE,
2886			 drv_mb_param, &resp, &param);
2887	if (rc)
2888		DP_ERR(p_hwfn, "Failed to send driver state\n");
2889
2890	return rc;
2891}
2892
2893int qed_mcp_ov_update_mtu(struct qed_hwfn *p_hwfn,
2894			  struct qed_ptt *p_ptt, u16 mtu)
2895{
2896	u32 resp = 0, param = 0;
2897	u32 drv_mb_param;
2898	int rc;
2899
2900	drv_mb_param = (u32)mtu << DRV_MB_PARAM_OV_MTU_SIZE_SHIFT;
2901	rc = qed_mcp_cmd(p_hwfn, p_ptt, DRV_MSG_CODE_OV_UPDATE_MTU,
2902			 drv_mb_param, &resp, &param);
2903	if (rc)
2904		DP_ERR(p_hwfn, "Failed to send mtu value, rc = %d\n", rc);
2905
2906	return rc;
2907}
2908
2909int qed_mcp_ov_update_mac(struct qed_hwfn *p_hwfn,
2910			  struct qed_ptt *p_ptt, const u8 *mac)
2911{
2912	struct qed_mcp_mb_params mb_params;
2913	u32 mfw_mac[2];
2914	int rc;
2915
2916	memset(&mb_params, 0, sizeof(mb_params));
2917	mb_params.cmd = DRV_MSG_CODE_SET_VMAC;
2918	mb_params.param = DRV_MSG_CODE_VMAC_TYPE_MAC <<
2919			  DRV_MSG_CODE_VMAC_TYPE_SHIFT;
2920	mb_params.param |= MCP_PF_ID(p_hwfn);
2921
2922	/* MCP is BE, and on LE platforms PCI would swap access to SHMEM
2923	 * in 32-bit granularity.
2924	 * So the MAC has to be set in native order [and not byte order],
2925	 * otherwise it would be read incorrectly by MFW after swap.
2926	 */
2927	mfw_mac[0] = mac[0] << 24 | mac[1] << 16 | mac[2] << 8 | mac[3];
2928	mfw_mac[1] = mac[4] << 24 | mac[5] << 16;
2929
2930	mb_params.p_data_src = (u8 *)mfw_mac;
2931	mb_params.data_src_size = 8;
2932	rc = qed_mcp_cmd_and_union(p_hwfn, p_ptt, &mb_params);
2933	if (rc)
2934		DP_ERR(p_hwfn, "Failed to send mac address, rc = %d\n", rc);
2935
2936	/* Store primary MAC for later possible WoL */
2937	memcpy(p_hwfn->cdev->wol_mac, mac, ETH_ALEN);
2938
2939	return rc;
2940}
2941
2942int qed_mcp_ov_update_wol(struct qed_hwfn *p_hwfn,
2943			  struct qed_ptt *p_ptt, enum qed_ov_wol wol)
2944{
2945	u32 resp = 0, param = 0;
2946	u32 drv_mb_param;
2947	int rc;
2948
2949	if (p_hwfn->hw_info.b_wol_support == QED_WOL_SUPPORT_NONE) {
2950		DP_VERBOSE(p_hwfn, QED_MSG_SP,
2951			   "Can't change WoL configuration when WoL isn't supported\n");
2952		return -EINVAL;
2953	}
2954
2955	switch (wol) {
2956	case QED_OV_WOL_DEFAULT:
2957		drv_mb_param = DRV_MB_PARAM_WOL_DEFAULT;
2958		break;
2959	case QED_OV_WOL_DISABLED:
2960		drv_mb_param = DRV_MB_PARAM_WOL_DISABLED;
2961		break;
2962	case QED_OV_WOL_ENABLED:
2963		drv_mb_param = DRV_MB_PARAM_WOL_ENABLED;
2964		break;
2965	default:
2966		DP_ERR(p_hwfn, "Invalid wol state %d\n", wol);
2967		return -EINVAL;
2968	}
2969
2970	rc = qed_mcp_cmd(p_hwfn, p_ptt, DRV_MSG_CODE_OV_UPDATE_WOL,
2971			 drv_mb_param, &resp, &param);
2972	if (rc)
2973		DP_ERR(p_hwfn, "Failed to send wol mode, rc = %d\n", rc);
2974
2975	/* Store the WoL update for a future unload */
2976	p_hwfn->cdev->wol_config = (u8)wol;
2977
2978	return rc;
2979}
2980
2981int qed_mcp_ov_update_eswitch(struct qed_hwfn *p_hwfn,
2982			      struct qed_ptt *p_ptt,
2983			      enum qed_ov_eswitch eswitch)
2984{
2985	u32 resp = 0, param = 0;
2986	u32 drv_mb_param;
2987	int rc;
2988
2989	switch (eswitch) {
2990	case QED_OV_ESWITCH_NONE:
2991		drv_mb_param = DRV_MB_PARAM_ESWITCH_MODE_NONE;
2992		break;
2993	case QED_OV_ESWITCH_VEB:
2994		drv_mb_param = DRV_MB_PARAM_ESWITCH_MODE_VEB;
2995		break;
2996	case QED_OV_ESWITCH_VEPA:
2997		drv_mb_param = DRV_MB_PARAM_ESWITCH_MODE_VEPA;
2998		break;
2999	default:
3000		DP_ERR(p_hwfn, "Invalid eswitch mode %d\n", eswitch);
3001		return -EINVAL;
3002	}
3003
3004	rc = qed_mcp_cmd(p_hwfn, p_ptt, DRV_MSG_CODE_OV_UPDATE_ESWITCH_MODE,
3005			 drv_mb_param, &resp, &param);
3006	if (rc)
3007		DP_ERR(p_hwfn, "Failed to send eswitch mode, rc = %d\n", rc);
3008
3009	return rc;
3010}
3011
3012int qed_mcp_set_led(struct qed_hwfn *p_hwfn,
3013		    struct qed_ptt *p_ptt, enum qed_led_mode mode)
3014{
3015	u32 resp = 0, param = 0, drv_mb_param;
3016	int rc;
3017
3018	switch (mode) {
3019	case QED_LED_MODE_ON:
3020		drv_mb_param = DRV_MB_PARAM_SET_LED_MODE_ON;
3021		break;
3022	case QED_LED_MODE_OFF:
3023		drv_mb_param = DRV_MB_PARAM_SET_LED_MODE_OFF;
3024		break;
3025	case QED_LED_MODE_RESTORE:
3026		drv_mb_param = DRV_MB_PARAM_SET_LED_MODE_OPER;
3027		break;
3028	default:
3029		DP_NOTICE(p_hwfn, "Invalid LED mode %d\n", mode);
3030		return -EINVAL;
3031	}
3032
3033	rc = qed_mcp_cmd(p_hwfn, p_ptt, DRV_MSG_CODE_SET_LED_MODE,
3034			 drv_mb_param, &resp, &param);
3035
3036	return rc;
3037}
3038
3039int qed_mcp_mask_parities(struct qed_hwfn *p_hwfn,
3040			  struct qed_ptt *p_ptt, u32 mask_parities)
3041{
3042	u32 resp = 0, param = 0;
3043	int rc;
3044
3045	rc = qed_mcp_cmd(p_hwfn, p_ptt, DRV_MSG_CODE_MASK_PARITIES,
3046			 mask_parities, &resp, &param);
3047
3048	if (rc) {
3049		DP_ERR(p_hwfn,
3050		       "MCP response failure for mask parities, aborting\n");
3051	} else if (resp != FW_MSG_CODE_OK) {
3052		DP_ERR(p_hwfn,
3053		       "MCP did not acknowledge mask parity request. Old MFW?\n");
3054		rc = -EINVAL;
3055	}
3056
3057	return rc;
3058}
3059
3060int qed_mcp_nvm_read(struct qed_dev *cdev, u32 addr, u8 *p_buf, u32 len)
3061{
3062	u32 bytes_left = len, offset = 0, bytes_to_copy, read_len = 0;
3063	struct qed_hwfn *p_hwfn = QED_LEADING_HWFN(cdev);
3064	u32 resp = 0, resp_param = 0;
3065	struct qed_ptt *p_ptt;
3066	int rc = 0;
3067
3068	p_ptt = qed_ptt_acquire(p_hwfn);
3069	if (!p_ptt)
3070		return -EBUSY;
3071
3072	while (bytes_left > 0) {
3073		bytes_to_copy = min_t(u32, bytes_left, MCP_DRV_NVM_BUF_LEN);
3074
3075		rc = qed_mcp_nvm_rd_cmd(p_hwfn, p_ptt,
3076					DRV_MSG_CODE_NVM_READ_NVRAM,
3077					addr + offset +
3078					(bytes_to_copy <<
3079					 DRV_MB_PARAM_NVM_LEN_OFFSET),
3080					&resp, &resp_param,
3081					&read_len,
3082					(u32 *)(p_buf + offset), true);
3083
3084		if (rc || (resp != FW_MSG_CODE_NVM_OK)) {
3085			DP_NOTICE(cdev, "MCP command rc = %d\n", rc);
3086			break;
3087		}
3088
 
 
 
 
 
 
 
3089		offset += read_len;
3090		bytes_left -= read_len;
3091	}
3092
3093	cdev->mcp_nvm_resp = resp;
3094	qed_ptt_release(p_hwfn, p_ptt);
3095
3096	return rc;
3097}
3098
3099int qed_mcp_nvm_resp(struct qed_dev *cdev, u8 *p_buf)
3100{
3101	struct qed_hwfn *p_hwfn = QED_LEADING_HWFN(cdev);
3102	struct qed_ptt *p_ptt;
3103
3104	p_ptt = qed_ptt_acquire(p_hwfn);
3105	if (!p_ptt)
3106		return -EBUSY;
3107
3108	memcpy(p_buf, &cdev->mcp_nvm_resp, sizeof(cdev->mcp_nvm_resp));
3109	qed_ptt_release(p_hwfn, p_ptt);
3110
3111	return 0;
3112}
3113
3114int qed_mcp_nvm_write(struct qed_dev *cdev,
3115		      u32 cmd, u32 addr, u8 *p_buf, u32 len)
3116{
3117	u32 buf_idx = 0, buf_size, nvm_cmd, nvm_offset, resp = 0, param;
3118	struct qed_hwfn *p_hwfn = QED_LEADING_HWFN(cdev);
3119	struct qed_ptt *p_ptt;
3120	int rc = -EINVAL;
3121
3122	p_ptt = qed_ptt_acquire(p_hwfn);
3123	if (!p_ptt)
3124		return -EBUSY;
3125
3126	switch (cmd) {
3127	case QED_PUT_FILE_BEGIN:
3128		nvm_cmd = DRV_MSG_CODE_NVM_PUT_FILE_BEGIN;
3129		break;
3130	case QED_PUT_FILE_DATA:
3131		nvm_cmd = DRV_MSG_CODE_NVM_PUT_FILE_DATA;
3132		break;
3133	case QED_NVM_WRITE_NVRAM:
3134		nvm_cmd = DRV_MSG_CODE_NVM_WRITE_NVRAM;
3135		break;
3136	default:
3137		DP_NOTICE(p_hwfn, "Invalid nvm write command 0x%x\n", cmd);
3138		rc = -EINVAL;
3139		goto out;
3140	}
3141
3142	buf_size = min_t(u32, (len - buf_idx), MCP_DRV_NVM_BUF_LEN);
3143	while (buf_idx < len) {
3144		if (cmd == QED_PUT_FILE_BEGIN)
3145			nvm_offset = addr;
3146		else
3147			nvm_offset = ((buf_size <<
3148				       DRV_MB_PARAM_NVM_LEN_OFFSET) | addr) +
3149				       buf_idx;
3150		rc = qed_mcp_nvm_wr_cmd(p_hwfn, p_ptt, nvm_cmd, nvm_offset,
3151					&resp, &param, buf_size,
3152					(u32 *)&p_buf[buf_idx]);
3153		if (rc) {
3154			DP_NOTICE(cdev, "nvm write failed, rc = %d\n", rc);
3155			resp = FW_MSG_CODE_ERROR;
3156			break;
3157		}
3158
3159		if (resp != FW_MSG_CODE_OK &&
3160		    resp != FW_MSG_CODE_NVM_OK &&
3161		    resp != FW_MSG_CODE_NVM_PUT_FILE_FINISH_OK) {
3162			DP_NOTICE(cdev,
3163				  "nvm write failed, resp = 0x%08x\n", resp);
3164			rc = -EINVAL;
3165			break;
3166		}
3167
3168		/* This can be a lengthy process, and it's possible scheduler
3169		 * isn't pre-emptable. Sleep a bit to prevent CPU hogging.
3170		 */
3171		if (buf_idx % 0x1000 > (buf_idx + buf_size) % 0x1000)
3172			usleep_range(1000, 2000);
3173
3174		/* For MBI upgrade, MFW response includes the next buffer offset
3175		 * to be delivered to MFW.
3176		 */
3177		if (param && cmd == QED_PUT_FILE_DATA) {
3178			buf_idx =
3179			QED_MFW_GET_FIELD(param,
3180					  FW_MB_PARAM_NVM_PUT_FILE_REQ_OFFSET);
3181			buf_size =
3182			QED_MFW_GET_FIELD(param,
3183					  FW_MB_PARAM_NVM_PUT_FILE_REQ_SIZE);
3184		} else {
3185			buf_idx += buf_size;
3186			buf_size = min_t(u32, (len - buf_idx),
3187					 MCP_DRV_NVM_BUF_LEN);
3188		}
3189	}
3190
3191	cdev->mcp_nvm_resp = resp;
3192out:
3193	qed_ptt_release(p_hwfn, p_ptt);
3194
3195	return rc;
3196}
3197
3198int qed_mcp_phy_sfp_read(struct qed_hwfn *p_hwfn, struct qed_ptt *p_ptt,
3199			 u32 port, u32 addr, u32 offset, u32 len, u8 *p_buf)
3200{
3201	u32 bytes_left, bytes_to_copy, buf_size, nvm_offset = 0;
3202	u32 resp, param;
3203	int rc;
3204
3205	nvm_offset |= (port << DRV_MB_PARAM_TRANSCEIVER_PORT_OFFSET) &
3206		       DRV_MB_PARAM_TRANSCEIVER_PORT_MASK;
3207	nvm_offset |= (addr << DRV_MB_PARAM_TRANSCEIVER_I2C_ADDRESS_OFFSET) &
3208		       DRV_MB_PARAM_TRANSCEIVER_I2C_ADDRESS_MASK;
3209
3210	addr = offset;
3211	offset = 0;
3212	bytes_left = len;
3213	while (bytes_left > 0) {
3214		bytes_to_copy = min_t(u32, bytes_left,
3215				      MAX_I2C_TRANSACTION_SIZE);
3216		nvm_offset &= (DRV_MB_PARAM_TRANSCEIVER_I2C_ADDRESS_MASK |
3217			       DRV_MB_PARAM_TRANSCEIVER_PORT_MASK);
3218		nvm_offset |= ((addr + offset) <<
3219			       DRV_MB_PARAM_TRANSCEIVER_OFFSET_OFFSET) &
3220			       DRV_MB_PARAM_TRANSCEIVER_OFFSET_MASK;
3221		nvm_offset |= (bytes_to_copy <<
3222			       DRV_MB_PARAM_TRANSCEIVER_SIZE_OFFSET) &
3223			       DRV_MB_PARAM_TRANSCEIVER_SIZE_MASK;
3224		rc = qed_mcp_nvm_rd_cmd(p_hwfn, p_ptt,
3225					DRV_MSG_CODE_TRANSCEIVER_READ,
3226					nvm_offset, &resp, &param, &buf_size,
3227					(u32 *)(p_buf + offset), true);
3228		if (rc) {
3229			DP_NOTICE(p_hwfn,
3230				  "Failed to send a transceiver read command to the MFW. rc = %d.\n",
3231				  rc);
3232			return rc;
3233		}
3234
3235		if (resp == FW_MSG_CODE_TRANSCEIVER_NOT_PRESENT)
3236			return -ENODEV;
3237		else if (resp != FW_MSG_CODE_TRANSCEIVER_DIAG_OK)
3238			return -EINVAL;
3239
3240		offset += buf_size;
3241		bytes_left -= buf_size;
3242	}
3243
3244	return 0;
3245}
3246
3247int qed_mcp_bist_register_test(struct qed_hwfn *p_hwfn, struct qed_ptt *p_ptt)
3248{
3249	u32 drv_mb_param = 0, rsp, param;
3250	int rc = 0;
3251
3252	drv_mb_param = (DRV_MB_PARAM_BIST_REGISTER_TEST <<
3253			DRV_MB_PARAM_BIST_TEST_INDEX_SHIFT);
3254
3255	rc = qed_mcp_cmd(p_hwfn, p_ptt, DRV_MSG_CODE_BIST_TEST,
3256			 drv_mb_param, &rsp, &param);
3257
3258	if (rc)
3259		return rc;
3260
3261	if (((rsp & FW_MSG_CODE_MASK) != FW_MSG_CODE_OK) ||
3262	    (param != DRV_MB_PARAM_BIST_RC_PASSED))
3263		rc = -EAGAIN;
3264
3265	return rc;
3266}
3267
3268int qed_mcp_bist_clock_test(struct qed_hwfn *p_hwfn, struct qed_ptt *p_ptt)
3269{
3270	u32 drv_mb_param, rsp, param;
3271	int rc = 0;
3272
3273	drv_mb_param = (DRV_MB_PARAM_BIST_CLOCK_TEST <<
3274			DRV_MB_PARAM_BIST_TEST_INDEX_SHIFT);
3275
3276	rc = qed_mcp_cmd(p_hwfn, p_ptt, DRV_MSG_CODE_BIST_TEST,
3277			 drv_mb_param, &rsp, &param);
3278
3279	if (rc)
3280		return rc;
3281
3282	if (((rsp & FW_MSG_CODE_MASK) != FW_MSG_CODE_OK) ||
3283	    (param != DRV_MB_PARAM_BIST_RC_PASSED))
3284		rc = -EAGAIN;
3285
3286	return rc;
3287}
3288
3289int qed_mcp_bist_nvm_get_num_images(struct qed_hwfn *p_hwfn,
3290				    struct qed_ptt *p_ptt,
3291				    u32 *num_images)
3292{
3293	u32 drv_mb_param = 0, rsp;
3294	int rc = 0;
3295
3296	drv_mb_param = (DRV_MB_PARAM_BIST_NVM_TEST_NUM_IMAGES <<
3297			DRV_MB_PARAM_BIST_TEST_INDEX_SHIFT);
3298
3299	rc = qed_mcp_cmd(p_hwfn, p_ptt, DRV_MSG_CODE_BIST_TEST,
3300			 drv_mb_param, &rsp, num_images);
3301	if (rc)
3302		return rc;
3303
3304	if (((rsp & FW_MSG_CODE_MASK) == FW_MSG_CODE_UNSUPPORTED))
3305		rc = -EOPNOTSUPP;
3306	else if (((rsp & FW_MSG_CODE_MASK) != FW_MSG_CODE_OK))
3307		rc = -EINVAL;
3308
3309	return rc;
3310}
3311
3312int qed_mcp_bist_nvm_get_image_att(struct qed_hwfn *p_hwfn,
3313				   struct qed_ptt *p_ptt,
3314				   struct bist_nvm_image_att *p_image_att,
3315				   u32 image_index)
3316{
3317	u32 buf_size = 0, param, resp = 0, resp_param = 0;
3318	int rc;
3319
3320	param = DRV_MB_PARAM_BIST_NVM_TEST_IMAGE_BY_INDEX <<
3321		DRV_MB_PARAM_BIST_TEST_INDEX_SHIFT;
3322	param |= image_index << DRV_MB_PARAM_BIST_TEST_IMAGE_INDEX_SHIFT;
3323
3324	rc = qed_mcp_nvm_rd_cmd(p_hwfn, p_ptt,
3325				DRV_MSG_CODE_BIST_TEST, param,
3326				&resp, &resp_param,
3327				&buf_size,
3328				(u32 *)p_image_att, false);
3329	if (rc)
3330		return rc;
3331
3332	if (((resp & FW_MSG_CODE_MASK) != FW_MSG_CODE_OK) ||
3333	    (p_image_att->return_code != 1))
3334		rc = -EINVAL;
3335
3336	return rc;
3337}
3338
3339int qed_mcp_nvm_info_populate(struct qed_hwfn *p_hwfn)
3340{
3341	struct qed_nvm_image_info nvm_info;
3342	struct qed_ptt *p_ptt;
3343	int rc;
3344	u32 i;
3345
3346	if (p_hwfn->nvm_info.valid)
3347		return 0;
3348
3349	p_ptt = qed_ptt_acquire(p_hwfn);
3350	if (!p_ptt) {
3351		DP_ERR(p_hwfn, "failed to acquire ptt\n");
3352		return -EBUSY;
3353	}
3354
3355	/* Acquire from MFW the amount of available images */
3356	nvm_info.num_images = 0;
3357	rc = qed_mcp_bist_nvm_get_num_images(p_hwfn,
3358					     p_ptt, &nvm_info.num_images);
3359	if (rc == -EOPNOTSUPP) {
3360		DP_INFO(p_hwfn, "DRV_MSG_CODE_BIST_TEST is not supported\n");
3361		nvm_info.num_images = 0;
3362		goto out;
3363	} else if (rc || !nvm_info.num_images) {
3364		DP_ERR(p_hwfn, "Failed getting number of images\n");
3365		goto err0;
3366	}
3367
3368	nvm_info.image_att = kmalloc_array(nvm_info.num_images,
3369					   sizeof(struct bist_nvm_image_att),
3370					   GFP_KERNEL);
3371	if (!nvm_info.image_att) {
3372		rc = -ENOMEM;
3373		goto err0;
3374	}
3375
3376	/* Iterate over images and get their attributes */
3377	for (i = 0; i < nvm_info.num_images; i++) {
3378		rc = qed_mcp_bist_nvm_get_image_att(p_hwfn, p_ptt,
3379						    &nvm_info.image_att[i], i);
3380		if (rc) {
3381			DP_ERR(p_hwfn,
3382			       "Failed getting image index %d attributes\n", i);
3383			goto err1;
3384		}
3385
3386		DP_VERBOSE(p_hwfn, QED_MSG_SP, "image index %d, size %x\n", i,
3387			   nvm_info.image_att[i].len);
3388	}
3389out:
3390	/* Update hwfn's nvm_info */
3391	if (nvm_info.num_images) {
3392		p_hwfn->nvm_info.num_images = nvm_info.num_images;
3393		kfree(p_hwfn->nvm_info.image_att);
3394		p_hwfn->nvm_info.image_att = nvm_info.image_att;
3395		p_hwfn->nvm_info.valid = true;
3396	}
3397
3398	qed_ptt_release(p_hwfn, p_ptt);
3399	return 0;
3400
3401err1:
3402	kfree(nvm_info.image_att);
3403err0:
3404	qed_ptt_release(p_hwfn, p_ptt);
3405	return rc;
3406}
3407
3408void qed_mcp_nvm_info_free(struct qed_hwfn *p_hwfn)
3409{
3410	kfree(p_hwfn->nvm_info.image_att);
3411	p_hwfn->nvm_info.image_att = NULL;
3412	p_hwfn->nvm_info.valid = false;
3413}
3414
3415int
3416qed_mcp_get_nvm_image_att(struct qed_hwfn *p_hwfn,
3417			  enum qed_nvm_images image_id,
3418			  struct qed_nvm_image_att *p_image_att)
3419{
3420	enum nvm_image_type type;
3421	int rc;
3422	u32 i;
3423
3424	/* Translate image_id into MFW definitions */
3425	switch (image_id) {
3426	case QED_NVM_IMAGE_ISCSI_CFG:
3427		type = NVM_TYPE_ISCSI_CFG;
3428		break;
3429	case QED_NVM_IMAGE_FCOE_CFG:
3430		type = NVM_TYPE_FCOE_CFG;
3431		break;
3432	case QED_NVM_IMAGE_MDUMP:
3433		type = NVM_TYPE_MDUMP;
3434		break;
3435	case QED_NVM_IMAGE_NVM_CFG1:
3436		type = NVM_TYPE_NVM_CFG1;
3437		break;
3438	case QED_NVM_IMAGE_DEFAULT_CFG:
3439		type = NVM_TYPE_DEFAULT_CFG;
3440		break;
3441	case QED_NVM_IMAGE_NVM_META:
3442		type = NVM_TYPE_NVM_META;
3443		break;
3444	default:
3445		DP_NOTICE(p_hwfn, "Unknown request of image_id %08x\n",
3446			  image_id);
3447		return -EINVAL;
3448	}
3449
3450	rc = qed_mcp_nvm_info_populate(p_hwfn);
3451	if (rc)
3452		return rc;
3453
3454	for (i = 0; i < p_hwfn->nvm_info.num_images; i++)
3455		if (type == p_hwfn->nvm_info.image_att[i].image_type)
3456			break;
3457	if (i == p_hwfn->nvm_info.num_images) {
3458		DP_VERBOSE(p_hwfn, QED_MSG_STORAGE,
3459			   "Failed to find nvram image of type %08x\n",
3460			   image_id);
3461		return -ENOENT;
3462	}
3463
3464	p_image_att->start_addr = p_hwfn->nvm_info.image_att[i].nvm_start_addr;
3465	p_image_att->length = p_hwfn->nvm_info.image_att[i].len;
3466
3467	return 0;
3468}
3469
3470int qed_mcp_get_nvm_image(struct qed_hwfn *p_hwfn,
3471			  enum qed_nvm_images image_id,
3472			  u8 *p_buffer, u32 buffer_len)
3473{
3474	struct qed_nvm_image_att image_att;
3475	int rc;
3476
3477	memset(p_buffer, 0, buffer_len);
3478
3479	rc = qed_mcp_get_nvm_image_att(p_hwfn, image_id, &image_att);
3480	if (rc)
3481		return rc;
3482
3483	/* Validate sizes - both the image's and the supplied buffer's */
3484	if (image_att.length <= 4) {
3485		DP_VERBOSE(p_hwfn, QED_MSG_STORAGE,
3486			   "Image [%d] is too small - only %d bytes\n",
3487			   image_id, image_att.length);
3488		return -EINVAL;
3489	}
3490
3491	if (image_att.length > buffer_len) {
3492		DP_VERBOSE(p_hwfn,
3493			   QED_MSG_STORAGE,
3494			   "Image [%d] is too big - %08x bytes where only %08x are available\n",
3495			   image_id, image_att.length, buffer_len);
3496		return -ENOMEM;
3497	}
3498
3499	return qed_mcp_nvm_read(p_hwfn->cdev, image_att.start_addr,
3500				p_buffer, image_att.length);
3501}
3502
3503static enum resource_id_enum qed_mcp_get_mfw_res_id(enum qed_resources res_id)
3504{
3505	enum resource_id_enum mfw_res_id = RESOURCE_NUM_INVALID;
3506
3507	switch (res_id) {
3508	case QED_SB:
3509		mfw_res_id = RESOURCE_NUM_SB_E;
3510		break;
3511	case QED_L2_QUEUE:
3512		mfw_res_id = RESOURCE_NUM_L2_QUEUE_E;
3513		break;
3514	case QED_VPORT:
3515		mfw_res_id = RESOURCE_NUM_VPORT_E;
3516		break;
3517	case QED_RSS_ENG:
3518		mfw_res_id = RESOURCE_NUM_RSS_ENGINES_E;
3519		break;
3520	case QED_PQ:
3521		mfw_res_id = RESOURCE_NUM_PQ_E;
3522		break;
3523	case QED_RL:
3524		mfw_res_id = RESOURCE_NUM_RL_E;
3525		break;
3526	case QED_MAC:
3527	case QED_VLAN:
3528		/* Each VFC resource can accommodate both a MAC and a VLAN */
3529		mfw_res_id = RESOURCE_VFC_FILTER_E;
3530		break;
3531	case QED_ILT:
3532		mfw_res_id = RESOURCE_ILT_E;
3533		break;
3534	case QED_LL2_RAM_QUEUE:
3535		mfw_res_id = RESOURCE_LL2_QUEUE_E;
3536		break;
3537	case QED_LL2_CTX_QUEUE:
3538		mfw_res_id = RESOURCE_LL2_CQS_E;
3539		break;
3540	case QED_RDMA_CNQ_RAM:
3541	case QED_CMDQS_CQS:
3542		/* CNQ/CMDQS are the same resource */
3543		mfw_res_id = RESOURCE_CQS_E;
3544		break;
3545	case QED_RDMA_STATS_QUEUE:
3546		mfw_res_id = RESOURCE_RDMA_STATS_QUEUE_E;
3547		break;
3548	case QED_BDQ:
3549		mfw_res_id = RESOURCE_BDQ_E;
3550		break;
3551	default:
3552		break;
3553	}
3554
3555	return mfw_res_id;
3556}
3557
3558#define QED_RESC_ALLOC_VERSION_MAJOR    2
3559#define QED_RESC_ALLOC_VERSION_MINOR    0
3560#define QED_RESC_ALLOC_VERSION				     \
3561	((QED_RESC_ALLOC_VERSION_MAJOR <<		     \
3562	  DRV_MB_PARAM_RESOURCE_ALLOC_VERSION_MAJOR_SHIFT) | \
3563	 (QED_RESC_ALLOC_VERSION_MINOR <<		     \
3564	  DRV_MB_PARAM_RESOURCE_ALLOC_VERSION_MINOR_SHIFT))
3565
3566struct qed_resc_alloc_in_params {
3567	u32 cmd;
3568	enum qed_resources res_id;
3569	u32 resc_max_val;
3570};
3571
3572struct qed_resc_alloc_out_params {
3573	u32 mcp_resp;
3574	u32 mcp_param;
3575	u32 resc_num;
3576	u32 resc_start;
3577	u32 vf_resc_num;
3578	u32 vf_resc_start;
3579	u32 flags;
3580};
3581
3582static int
3583qed_mcp_resc_allocation_msg(struct qed_hwfn *p_hwfn,
3584			    struct qed_ptt *p_ptt,
3585			    struct qed_resc_alloc_in_params *p_in_params,
3586			    struct qed_resc_alloc_out_params *p_out_params)
3587{
3588	struct qed_mcp_mb_params mb_params;
3589	struct resource_info mfw_resc_info;
3590	int rc;
3591
3592	memset(&mfw_resc_info, 0, sizeof(mfw_resc_info));
3593
3594	mfw_resc_info.res_id = qed_mcp_get_mfw_res_id(p_in_params->res_id);
3595	if (mfw_resc_info.res_id == RESOURCE_NUM_INVALID) {
3596		DP_ERR(p_hwfn,
3597		       "Failed to match resource %d [%s] with the MFW resources\n",
3598		       p_in_params->res_id,
3599		       qed_hw_get_resc_name(p_in_params->res_id));
3600		return -EINVAL;
3601	}
3602
3603	switch (p_in_params->cmd) {
3604	case DRV_MSG_SET_RESOURCE_VALUE_MSG:
3605		mfw_resc_info.size = p_in_params->resc_max_val;
3606		fallthrough;
3607	case DRV_MSG_GET_RESOURCE_ALLOC_MSG:
3608		break;
3609	default:
3610		DP_ERR(p_hwfn, "Unexpected resource alloc command [0x%08x]\n",
3611		       p_in_params->cmd);
3612		return -EINVAL;
3613	}
3614
3615	memset(&mb_params, 0, sizeof(mb_params));
3616	mb_params.cmd = p_in_params->cmd;
3617	mb_params.param = QED_RESC_ALLOC_VERSION;
3618	mb_params.p_data_src = &mfw_resc_info;
3619	mb_params.data_src_size = sizeof(mfw_resc_info);
3620	mb_params.p_data_dst = mb_params.p_data_src;
3621	mb_params.data_dst_size = mb_params.data_src_size;
3622
3623	DP_VERBOSE(p_hwfn,
3624		   QED_MSG_SP,
3625		   "Resource message request: cmd 0x%08x, res_id %d [%s], hsi_version %d.%d, val 0x%x\n",
3626		   p_in_params->cmd,
3627		   p_in_params->res_id,
3628		   qed_hw_get_resc_name(p_in_params->res_id),
3629		   QED_MFW_GET_FIELD(mb_params.param,
3630				     DRV_MB_PARAM_RESOURCE_ALLOC_VERSION_MAJOR),
3631		   QED_MFW_GET_FIELD(mb_params.param,
3632				     DRV_MB_PARAM_RESOURCE_ALLOC_VERSION_MINOR),
3633		   p_in_params->resc_max_val);
3634
3635	rc = qed_mcp_cmd_and_union(p_hwfn, p_ptt, &mb_params);
3636	if (rc)
3637		return rc;
3638
3639	p_out_params->mcp_resp = mb_params.mcp_resp;
3640	p_out_params->mcp_param = mb_params.mcp_param;
3641	p_out_params->resc_num = mfw_resc_info.size;
3642	p_out_params->resc_start = mfw_resc_info.offset;
3643	p_out_params->vf_resc_num = mfw_resc_info.vf_size;
3644	p_out_params->vf_resc_start = mfw_resc_info.vf_offset;
3645	p_out_params->flags = mfw_resc_info.flags;
3646
3647	DP_VERBOSE(p_hwfn,
3648		   QED_MSG_SP,
3649		   "Resource message response: mfw_hsi_version %d.%d, num 0x%x, start 0x%x, vf_num 0x%x, vf_start 0x%x, flags 0x%08x\n",
3650		   QED_MFW_GET_FIELD(p_out_params->mcp_param,
3651				     FW_MB_PARAM_RESOURCE_ALLOC_VERSION_MAJOR),
3652		   QED_MFW_GET_FIELD(p_out_params->mcp_param,
3653				     FW_MB_PARAM_RESOURCE_ALLOC_VERSION_MINOR),
3654		   p_out_params->resc_num,
3655		   p_out_params->resc_start,
3656		   p_out_params->vf_resc_num,
3657		   p_out_params->vf_resc_start, p_out_params->flags);
3658
3659	return 0;
3660}
3661
3662int
3663qed_mcp_set_resc_max_val(struct qed_hwfn *p_hwfn,
3664			 struct qed_ptt *p_ptt,
3665			 enum qed_resources res_id,
3666			 u32 resc_max_val, u32 *p_mcp_resp)
3667{
3668	struct qed_resc_alloc_out_params out_params;
3669	struct qed_resc_alloc_in_params in_params;
3670	int rc;
3671
3672	memset(&in_params, 0, sizeof(in_params));
3673	in_params.cmd = DRV_MSG_SET_RESOURCE_VALUE_MSG;
3674	in_params.res_id = res_id;
3675	in_params.resc_max_val = resc_max_val;
3676	memset(&out_params, 0, sizeof(out_params));
3677	rc = qed_mcp_resc_allocation_msg(p_hwfn, p_ptt, &in_params,
3678					 &out_params);
3679	if (rc)
3680		return rc;
3681
3682	*p_mcp_resp = out_params.mcp_resp;
3683
3684	return 0;
3685}
3686
3687int
3688qed_mcp_get_resc_info(struct qed_hwfn *p_hwfn,
3689		      struct qed_ptt *p_ptt,
3690		      enum qed_resources res_id,
3691		      u32 *p_mcp_resp, u32 *p_resc_num, u32 *p_resc_start)
3692{
3693	struct qed_resc_alloc_out_params out_params;
3694	struct qed_resc_alloc_in_params in_params;
3695	int rc;
3696
3697	memset(&in_params, 0, sizeof(in_params));
3698	in_params.cmd = DRV_MSG_GET_RESOURCE_ALLOC_MSG;
3699	in_params.res_id = res_id;
3700	memset(&out_params, 0, sizeof(out_params));
3701	rc = qed_mcp_resc_allocation_msg(p_hwfn, p_ptt, &in_params,
3702					 &out_params);
3703	if (rc)
3704		return rc;
3705
3706	*p_mcp_resp = out_params.mcp_resp;
3707
3708	if (*p_mcp_resp == FW_MSG_CODE_RESOURCE_ALLOC_OK) {
3709		*p_resc_num = out_params.resc_num;
3710		*p_resc_start = out_params.resc_start;
3711	}
3712
3713	return 0;
3714}
3715
3716int qed_mcp_initiate_pf_flr(struct qed_hwfn *p_hwfn, struct qed_ptt *p_ptt)
3717{
3718	u32 mcp_resp, mcp_param;
3719
3720	return qed_mcp_cmd(p_hwfn, p_ptt, DRV_MSG_CODE_INITIATE_PF_FLR, 0,
3721			   &mcp_resp, &mcp_param);
3722}
3723
3724static int qed_mcp_resource_cmd(struct qed_hwfn *p_hwfn,
3725				struct qed_ptt *p_ptt,
3726				u32 param, u32 *p_mcp_resp, u32 *p_mcp_param)
3727{
3728	int rc;
3729
3730	rc = qed_mcp_cmd_nosleep(p_hwfn, p_ptt, DRV_MSG_CODE_RESOURCE_CMD,
3731				 param, p_mcp_resp, p_mcp_param);
3732	if (rc)
3733		return rc;
3734
3735	if (*p_mcp_resp == FW_MSG_CODE_UNSUPPORTED) {
3736		DP_INFO(p_hwfn,
3737			"The resource command is unsupported by the MFW\n");
3738		return -EINVAL;
3739	}
3740
3741	if (*p_mcp_param == RESOURCE_OPCODE_UNKNOWN_CMD) {
3742		u8 opcode = QED_MFW_GET_FIELD(param, RESOURCE_CMD_REQ_OPCODE);
3743
3744		DP_NOTICE(p_hwfn,
3745			  "The resource command is unknown to the MFW [param 0x%08x, opcode %d]\n",
3746			  param, opcode);
3747		return -EINVAL;
3748	}
3749
3750	return rc;
3751}
3752
3753static int
3754__qed_mcp_resc_lock(struct qed_hwfn *p_hwfn,
3755		    struct qed_ptt *p_ptt,
3756		    struct qed_resc_lock_params *p_params)
3757{
3758	u32 param = 0, mcp_resp, mcp_param;
3759	u8 opcode;
3760	int rc;
3761
3762	switch (p_params->timeout) {
3763	case QED_MCP_RESC_LOCK_TO_DEFAULT:
3764		opcode = RESOURCE_OPCODE_REQ;
3765		p_params->timeout = 0;
3766		break;
3767	case QED_MCP_RESC_LOCK_TO_NONE:
3768		opcode = RESOURCE_OPCODE_REQ_WO_AGING;
3769		p_params->timeout = 0;
3770		break;
3771	default:
3772		opcode = RESOURCE_OPCODE_REQ_W_AGING;
3773		break;
3774	}
3775
3776	QED_MFW_SET_FIELD(param, RESOURCE_CMD_REQ_RESC, p_params->resource);
3777	QED_MFW_SET_FIELD(param, RESOURCE_CMD_REQ_OPCODE, opcode);
3778	QED_MFW_SET_FIELD(param, RESOURCE_CMD_REQ_AGE, p_params->timeout);
3779
3780	DP_VERBOSE(p_hwfn,
3781		   QED_MSG_SP,
3782		   "Resource lock request: param 0x%08x [age %d, opcode %d, resource %d]\n",
3783		   param, p_params->timeout, opcode, p_params->resource);
3784
3785	/* Attempt to acquire the resource */
3786	rc = qed_mcp_resource_cmd(p_hwfn, p_ptt, param, &mcp_resp, &mcp_param);
3787	if (rc)
3788		return rc;
3789
3790	/* Analyze the response */
3791	p_params->owner = QED_MFW_GET_FIELD(mcp_param, RESOURCE_CMD_RSP_OWNER);
3792	opcode = QED_MFW_GET_FIELD(mcp_param, RESOURCE_CMD_RSP_OPCODE);
3793
3794	DP_VERBOSE(p_hwfn,
3795		   QED_MSG_SP,
3796		   "Resource lock response: mcp_param 0x%08x [opcode %d, owner %d]\n",
3797		   mcp_param, opcode, p_params->owner);
3798
3799	switch (opcode) {
3800	case RESOURCE_OPCODE_GNT:
3801		p_params->b_granted = true;
3802		break;
3803	case RESOURCE_OPCODE_BUSY:
3804		p_params->b_granted = false;
3805		break;
3806	default:
3807		DP_NOTICE(p_hwfn,
3808			  "Unexpected opcode in resource lock response [mcp_param 0x%08x, opcode %d]\n",
3809			  mcp_param, opcode);
3810		return -EINVAL;
3811	}
3812
3813	return 0;
3814}
3815
3816int
3817qed_mcp_resc_lock(struct qed_hwfn *p_hwfn,
3818		  struct qed_ptt *p_ptt, struct qed_resc_lock_params *p_params)
3819{
3820	u32 retry_cnt = 0;
3821	int rc;
3822
3823	do {
3824		/* No need for an interval before the first iteration */
3825		if (retry_cnt) {
3826			if (p_params->sleep_b4_retry) {
3827				u16 retry_interval_in_ms =
3828				    DIV_ROUND_UP(p_params->retry_interval,
3829						 1000);
3830
3831				msleep(retry_interval_in_ms);
3832			} else {
3833				udelay(p_params->retry_interval);
3834			}
3835		}
3836
3837		rc = __qed_mcp_resc_lock(p_hwfn, p_ptt, p_params);
3838		if (rc)
3839			return rc;
3840
3841		if (p_params->b_granted)
3842			break;
3843	} while (retry_cnt++ < p_params->retry_num);
3844
3845	return 0;
3846}
3847
3848int
3849qed_mcp_resc_unlock(struct qed_hwfn *p_hwfn,
3850		    struct qed_ptt *p_ptt,
3851		    struct qed_resc_unlock_params *p_params)
3852{
3853	u32 param = 0, mcp_resp, mcp_param;
3854	u8 opcode;
3855	int rc;
3856
3857	opcode = p_params->b_force ? RESOURCE_OPCODE_FORCE_RELEASE
3858				   : RESOURCE_OPCODE_RELEASE;
3859	QED_MFW_SET_FIELD(param, RESOURCE_CMD_REQ_RESC, p_params->resource);
3860	QED_MFW_SET_FIELD(param, RESOURCE_CMD_REQ_OPCODE, opcode);
3861
3862	DP_VERBOSE(p_hwfn, QED_MSG_SP,
3863		   "Resource unlock request: param 0x%08x [opcode %d, resource %d]\n",
3864		   param, opcode, p_params->resource);
3865
3866	/* Attempt to release the resource */
3867	rc = qed_mcp_resource_cmd(p_hwfn, p_ptt, param, &mcp_resp, &mcp_param);
3868	if (rc)
3869		return rc;
3870
3871	/* Analyze the response */
3872	opcode = QED_MFW_GET_FIELD(mcp_param, RESOURCE_CMD_RSP_OPCODE);
3873
3874	DP_VERBOSE(p_hwfn, QED_MSG_SP,
3875		   "Resource unlock response: mcp_param 0x%08x [opcode %d]\n",
3876		   mcp_param, opcode);
3877
3878	switch (opcode) {
3879	case RESOURCE_OPCODE_RELEASED_PREVIOUS:
3880		DP_INFO(p_hwfn,
3881			"Resource unlock request for an already released resource [%d]\n",
3882			p_params->resource);
3883		fallthrough;
3884	case RESOURCE_OPCODE_RELEASED:
3885		p_params->b_released = true;
3886		break;
3887	case RESOURCE_OPCODE_WRONG_OWNER:
3888		p_params->b_released = false;
3889		break;
3890	default:
3891		DP_NOTICE(p_hwfn,
3892			  "Unexpected opcode in resource unlock response [mcp_param 0x%08x, opcode %d]\n",
3893			  mcp_param, opcode);
3894		return -EINVAL;
3895	}
3896
3897	return 0;
3898}
3899
3900void qed_mcp_resc_lock_default_init(struct qed_resc_lock_params *p_lock,
3901				    struct qed_resc_unlock_params *p_unlock,
3902				    enum qed_resc_lock
3903				    resource, bool b_is_permanent)
3904{
3905	if (p_lock) {
3906		memset(p_lock, 0, sizeof(*p_lock));
3907
3908		/* Permanent resources don't require aging, and there's no
3909		 * point in trying to acquire them more than once since it's
3910		 * unexpected another entity would release them.
3911		 */
3912		if (b_is_permanent) {
3913			p_lock->timeout = QED_MCP_RESC_LOCK_TO_NONE;
3914		} else {
3915			p_lock->retry_num = QED_MCP_RESC_LOCK_RETRY_CNT_DFLT;
3916			p_lock->retry_interval =
3917			    QED_MCP_RESC_LOCK_RETRY_VAL_DFLT;
3918			p_lock->sleep_b4_retry = true;
3919		}
3920
3921		p_lock->resource = resource;
3922	}
3923
3924	if (p_unlock) {
3925		memset(p_unlock, 0, sizeof(*p_unlock));
3926		p_unlock->resource = resource;
3927	}
3928}
3929
3930bool qed_mcp_is_smart_an_supported(struct qed_hwfn *p_hwfn)
3931{
3932	return !!(p_hwfn->mcp_info->capabilities &
3933		  FW_MB_PARAM_FEATURE_SUPPORT_SMARTLINQ);
3934}
3935
3936int qed_mcp_get_capabilities(struct qed_hwfn *p_hwfn, struct qed_ptt *p_ptt)
3937{
3938	u32 mcp_resp;
3939	int rc;
3940
3941	rc = qed_mcp_cmd(p_hwfn, p_ptt, DRV_MSG_CODE_GET_MFW_FEATURE_SUPPORT,
3942			 0, &mcp_resp, &p_hwfn->mcp_info->capabilities);
3943	if (!rc)
3944		DP_VERBOSE(p_hwfn, (QED_MSG_SP | NETIF_MSG_PROBE),
3945			   "MFW supported features: %08x\n",
3946			   p_hwfn->mcp_info->capabilities);
3947
3948	return rc;
3949}
3950
3951int qed_mcp_set_capabilities(struct qed_hwfn *p_hwfn, struct qed_ptt *p_ptt)
3952{
3953	u32 mcp_resp, mcp_param, features;
3954
3955	features = DRV_MB_PARAM_FEATURE_SUPPORT_PORT_EEE |
3956		   DRV_MB_PARAM_FEATURE_SUPPORT_FUNC_VLINK |
3957		   DRV_MB_PARAM_FEATURE_SUPPORT_PORT_FEC_CONTROL;
3958
3959	return qed_mcp_cmd(p_hwfn, p_ptt, DRV_MSG_CODE_FEATURE_SUPPORT,
3960			   features, &mcp_resp, &mcp_param);
3961}
3962
3963int qed_mcp_get_engine_config(struct qed_hwfn *p_hwfn, struct qed_ptt *p_ptt)
3964{
3965	struct qed_mcp_mb_params mb_params = {0};
3966	struct qed_dev *cdev = p_hwfn->cdev;
3967	u8 fir_valid, l2_valid;
3968	int rc;
3969
3970	mb_params.cmd = DRV_MSG_CODE_GET_ENGINE_CONFIG;
3971	rc = qed_mcp_cmd_and_union(p_hwfn, p_ptt, &mb_params);
3972	if (rc)
3973		return rc;
3974
3975	if (mb_params.mcp_resp == FW_MSG_CODE_UNSUPPORTED) {
3976		DP_INFO(p_hwfn,
3977			"The get_engine_config command is unsupported by the MFW\n");
3978		return -EOPNOTSUPP;
3979	}
3980
3981	fir_valid = QED_MFW_GET_FIELD(mb_params.mcp_param,
3982				      FW_MB_PARAM_ENG_CFG_FIR_AFFIN_VALID);
3983	if (fir_valid)
3984		cdev->fir_affin =
3985		    QED_MFW_GET_FIELD(mb_params.mcp_param,
3986				      FW_MB_PARAM_ENG_CFG_FIR_AFFIN_VALUE);
3987
3988	l2_valid = QED_MFW_GET_FIELD(mb_params.mcp_param,
3989				     FW_MB_PARAM_ENG_CFG_L2_AFFIN_VALID);
3990	if (l2_valid)
3991		cdev->l2_affin_hint =
3992		    QED_MFW_GET_FIELD(mb_params.mcp_param,
3993				      FW_MB_PARAM_ENG_CFG_L2_AFFIN_VALUE);
3994
3995	DP_INFO(p_hwfn,
3996		"Engine affinity config: FIR={valid %hhd, value %hhd}, L2_hint={valid %hhd, value %hhd}\n",
3997		fir_valid, cdev->fir_affin, l2_valid, cdev->l2_affin_hint);
3998
3999	return 0;
4000}
4001
4002int qed_mcp_get_ppfid_bitmap(struct qed_hwfn *p_hwfn, struct qed_ptt *p_ptt)
4003{
4004	struct qed_mcp_mb_params mb_params = {0};
4005	struct qed_dev *cdev = p_hwfn->cdev;
4006	int rc;
4007
4008	mb_params.cmd = DRV_MSG_CODE_GET_PPFID_BITMAP;
4009	rc = qed_mcp_cmd_and_union(p_hwfn, p_ptt, &mb_params);
4010	if (rc)
4011		return rc;
4012
4013	if (mb_params.mcp_resp == FW_MSG_CODE_UNSUPPORTED) {
4014		DP_INFO(p_hwfn,
4015			"The get_ppfid_bitmap command is unsupported by the MFW\n");
4016		return -EOPNOTSUPP;
4017	}
4018
4019	cdev->ppfid_bitmap = QED_MFW_GET_FIELD(mb_params.mcp_param,
4020					       FW_MB_PARAM_PPFID_BITMAP);
4021
4022	DP_VERBOSE(p_hwfn, QED_MSG_SP, "PPFID bitmap 0x%hhx\n",
4023		   cdev->ppfid_bitmap);
4024
4025	return 0;
4026}
4027
4028int qed_mcp_nvm_get_cfg(struct qed_hwfn *p_hwfn, struct qed_ptt *p_ptt,
4029			u16 option_id, u8 entity_id, u16 flags, u8 *p_buf,
4030			u32 *p_len)
4031{
4032	u32 mb_param = 0, resp, param;
4033	int rc;
4034
4035	QED_MFW_SET_FIELD(mb_param, DRV_MB_PARAM_NVM_CFG_OPTION_ID, option_id);
4036	if (flags & QED_NVM_CFG_OPTION_INIT)
4037		QED_MFW_SET_FIELD(mb_param,
4038				  DRV_MB_PARAM_NVM_CFG_OPTION_INIT, 1);
4039	if (flags & QED_NVM_CFG_OPTION_FREE)
4040		QED_MFW_SET_FIELD(mb_param,
4041				  DRV_MB_PARAM_NVM_CFG_OPTION_FREE, 1);
4042	if (flags & QED_NVM_CFG_OPTION_ENTITY_SEL) {
4043		QED_MFW_SET_FIELD(mb_param,
4044				  DRV_MB_PARAM_NVM_CFG_OPTION_ENTITY_SEL, 1);
4045		QED_MFW_SET_FIELD(mb_param,
4046				  DRV_MB_PARAM_NVM_CFG_OPTION_ENTITY_ID,
4047				  entity_id);
4048	}
4049
4050	rc = qed_mcp_nvm_rd_cmd(p_hwfn, p_ptt,
4051				DRV_MSG_CODE_GET_NVM_CFG_OPTION,
4052				mb_param, &resp, &param, p_len,
4053				(u32 *)p_buf, false);
4054
4055	return rc;
4056}
4057
4058int qed_mcp_nvm_set_cfg(struct qed_hwfn *p_hwfn, struct qed_ptt *p_ptt,
4059			u16 option_id, u8 entity_id, u16 flags, u8 *p_buf,
4060			u32 len)
4061{
4062	u32 mb_param = 0, resp, param;
4063
4064	QED_MFW_SET_FIELD(mb_param, DRV_MB_PARAM_NVM_CFG_OPTION_ID, option_id);
4065	if (flags & QED_NVM_CFG_OPTION_ALL)
4066		QED_MFW_SET_FIELD(mb_param,
4067				  DRV_MB_PARAM_NVM_CFG_OPTION_ALL, 1);
4068	if (flags & QED_NVM_CFG_OPTION_INIT)
4069		QED_MFW_SET_FIELD(mb_param,
4070				  DRV_MB_PARAM_NVM_CFG_OPTION_INIT, 1);
4071	if (flags & QED_NVM_CFG_OPTION_COMMIT)
4072		QED_MFW_SET_FIELD(mb_param,
4073				  DRV_MB_PARAM_NVM_CFG_OPTION_COMMIT, 1);
4074	if (flags & QED_NVM_CFG_OPTION_FREE)
4075		QED_MFW_SET_FIELD(mb_param,
4076				  DRV_MB_PARAM_NVM_CFG_OPTION_FREE, 1);
4077	if (flags & QED_NVM_CFG_OPTION_ENTITY_SEL) {
4078		QED_MFW_SET_FIELD(mb_param,
4079				  DRV_MB_PARAM_NVM_CFG_OPTION_ENTITY_SEL, 1);
4080		QED_MFW_SET_FIELD(mb_param,
4081				  DRV_MB_PARAM_NVM_CFG_OPTION_ENTITY_ID,
4082				  entity_id);
4083	}
4084
4085	return qed_mcp_nvm_wr_cmd(p_hwfn, p_ptt,
4086				  DRV_MSG_CODE_SET_NVM_CFG_OPTION,
4087				  mb_param, &resp, &param, len, (u32 *)p_buf);
4088}
4089
4090#define QED_MCP_DBG_DATA_MAX_SIZE               MCP_DRV_NVM_BUF_LEN
4091#define QED_MCP_DBG_DATA_MAX_HEADER_SIZE        sizeof(u32)
4092#define QED_MCP_DBG_DATA_MAX_PAYLOAD_SIZE \
4093	(QED_MCP_DBG_DATA_MAX_SIZE - QED_MCP_DBG_DATA_MAX_HEADER_SIZE)
4094
4095static int
4096__qed_mcp_send_debug_data(struct qed_hwfn *p_hwfn,
4097			  struct qed_ptt *p_ptt, u8 *p_buf, u8 size)
4098{
4099	struct qed_mcp_mb_params mb_params;
4100	int rc;
4101
4102	if (size > QED_MCP_DBG_DATA_MAX_SIZE) {
4103		DP_ERR(p_hwfn,
4104		       "Debug data size is %d while it should not exceed %d\n",
4105		       size, QED_MCP_DBG_DATA_MAX_SIZE);
4106		return -EINVAL;
4107	}
4108
4109	memset(&mb_params, 0, sizeof(mb_params));
4110	mb_params.cmd = DRV_MSG_CODE_DEBUG_DATA_SEND;
4111	SET_MFW_FIELD(mb_params.param, DRV_MSG_CODE_DEBUG_DATA_SEND_SIZE, size);
4112	mb_params.p_data_src = p_buf;
4113	mb_params.data_src_size = size;
4114	rc = qed_mcp_cmd_and_union(p_hwfn, p_ptt, &mb_params);
4115	if (rc)
4116		return rc;
4117
4118	if (mb_params.mcp_resp == FW_MSG_CODE_UNSUPPORTED) {
4119		DP_INFO(p_hwfn,
4120			"The DEBUG_DATA_SEND command is unsupported by the MFW\n");
4121		return -EOPNOTSUPP;
4122	} else if (mb_params.mcp_resp == (u32)FW_MSG_CODE_DEBUG_NOT_ENABLED) {
4123		DP_INFO(p_hwfn, "The DEBUG_DATA_SEND command is not enabled\n");
4124		return -EBUSY;
4125	} else if (mb_params.mcp_resp != (u32)FW_MSG_CODE_DEBUG_DATA_SEND_OK) {
4126		DP_NOTICE(p_hwfn,
4127			  "Failed to send debug data to the MFW [resp 0x%08x]\n",
4128			  mb_params.mcp_resp);
4129		return -EINVAL;
4130	}
4131
4132	return 0;
4133}
4134
4135enum qed_mcp_dbg_data_type {
4136	QED_MCP_DBG_DATA_TYPE_RAW,
4137};
4138
4139/* Header format: [31:28] PFID, [27:20] flags, [19:12] type, [11:0] S/N */
4140#define QED_MCP_DBG_DATA_HDR_SN_OFFSET  0
4141#define QED_MCP_DBG_DATA_HDR_SN_MASK            0x00000fff
4142#define QED_MCP_DBG_DATA_HDR_TYPE_OFFSET        12
4143#define QED_MCP_DBG_DATA_HDR_TYPE_MASK  0x000ff000
4144#define QED_MCP_DBG_DATA_HDR_FLAGS_OFFSET       20
4145#define QED_MCP_DBG_DATA_HDR_FLAGS_MASK 0x0ff00000
4146#define QED_MCP_DBG_DATA_HDR_PF_OFFSET  28
4147#define QED_MCP_DBG_DATA_HDR_PF_MASK            0xf0000000
4148
4149#define QED_MCP_DBG_DATA_HDR_FLAGS_FIRST        0x1
4150#define QED_MCP_DBG_DATA_HDR_FLAGS_LAST 0x2
4151
4152static int
4153qed_mcp_send_debug_data(struct qed_hwfn *p_hwfn,
4154			struct qed_ptt *p_ptt,
4155			enum qed_mcp_dbg_data_type type, u8 *p_buf, u32 size)
4156{
4157	u8 raw_data[QED_MCP_DBG_DATA_MAX_SIZE], *p_tmp_buf = p_buf;
4158	u32 tmp_size = size, *p_header, *p_payload;
4159	u8 flags = 0;
4160	u16 seq;
4161	int rc;
4162
4163	p_header = (u32 *)raw_data;
4164	p_payload = (u32 *)(raw_data + QED_MCP_DBG_DATA_MAX_HEADER_SIZE);
4165
4166	seq = (u16)atomic_inc_return(&p_hwfn->mcp_info->dbg_data_seq);
4167
4168	/* First chunk is marked as 'first' */
4169	flags |= QED_MCP_DBG_DATA_HDR_FLAGS_FIRST;
4170
4171	*p_header = 0;
4172	SET_MFW_FIELD(*p_header, QED_MCP_DBG_DATA_HDR_SN, seq);
4173	SET_MFW_FIELD(*p_header, QED_MCP_DBG_DATA_HDR_TYPE, type);
4174	SET_MFW_FIELD(*p_header, QED_MCP_DBG_DATA_HDR_FLAGS, flags);
4175	SET_MFW_FIELD(*p_header, QED_MCP_DBG_DATA_HDR_PF, p_hwfn->abs_pf_id);
4176
4177	while (tmp_size > QED_MCP_DBG_DATA_MAX_PAYLOAD_SIZE) {
4178		memcpy(p_payload, p_tmp_buf, QED_MCP_DBG_DATA_MAX_PAYLOAD_SIZE);
4179		rc = __qed_mcp_send_debug_data(p_hwfn, p_ptt, raw_data,
4180					       QED_MCP_DBG_DATA_MAX_SIZE);
4181		if (rc)
4182			return rc;
4183
4184		/* Clear the 'first' marking after sending the first chunk */
4185		if (p_tmp_buf == p_buf) {
4186			flags &= ~QED_MCP_DBG_DATA_HDR_FLAGS_FIRST;
4187			SET_MFW_FIELD(*p_header, QED_MCP_DBG_DATA_HDR_FLAGS,
4188				      flags);
4189		}
4190
4191		p_tmp_buf += QED_MCP_DBG_DATA_MAX_PAYLOAD_SIZE;
4192		tmp_size -= QED_MCP_DBG_DATA_MAX_PAYLOAD_SIZE;
4193	}
4194
4195	/* Last chunk is marked as 'last' */
4196	flags |= QED_MCP_DBG_DATA_HDR_FLAGS_LAST;
4197	SET_MFW_FIELD(*p_header, QED_MCP_DBG_DATA_HDR_FLAGS, flags);
4198	memcpy(p_payload, p_tmp_buf, tmp_size);
4199
4200	/* Casting the left size to u8 is ok since at this point it is <= 32 */
4201	return __qed_mcp_send_debug_data(p_hwfn, p_ptt, raw_data,
4202					 (u8)(QED_MCP_DBG_DATA_MAX_HEADER_SIZE +
4203					 tmp_size));
4204}
4205
4206int
4207qed_mcp_send_raw_debug_data(struct qed_hwfn *p_hwfn,
4208			    struct qed_ptt *p_ptt, u8 *p_buf, u32 size)
4209{
4210	return qed_mcp_send_debug_data(p_hwfn, p_ptt,
4211				       QED_MCP_DBG_DATA_TYPE_RAW, p_buf, size);
4212}
4213
4214bool qed_mcp_is_esl_supported(struct qed_hwfn *p_hwfn)
4215{
4216	return !!(p_hwfn->mcp_info->capabilities &
4217		  FW_MB_PARAM_FEATURE_SUPPORT_ENHANCED_SYS_LCK);
4218}
4219
4220int qed_mcp_get_esl_status(struct qed_hwfn *p_hwfn, struct qed_ptt *p_ptt, bool *active)
4221{
4222	u32 resp = 0, param = 0;
4223	int rc;
4224
4225	rc = qed_mcp_cmd(p_hwfn, p_ptt, DRV_MSG_CODE_GET_MANAGEMENT_STATUS, 0, &resp, &param);
4226	if (rc) {
4227		DP_NOTICE(p_hwfn, "Failed to send ESL command, rc = %d\n", rc);
4228		return rc;
4229	}
4230
4231	*active = !!(param & FW_MB_PARAM_MANAGEMENT_STATUS_LOCKDOWN_ENABLED);
4232
4233	return 0;
4234}
v5.4
 
   1/* QLogic qed NIC Driver
   2 * Copyright (c) 2015-2017  QLogic Corporation
   3 *
   4 * This software is available to you under a choice of one of two
   5 * licenses.  You may choose to be licensed under the terms of the GNU
   6 * General Public License (GPL) Version 2, available from the file
   7 * COPYING in the main directory of this source tree, or the
   8 * OpenIB.org BSD license below:
   9 *
  10 *     Redistribution and use in source and binary forms, with or
  11 *     without modification, are permitted provided that the following
  12 *     conditions are met:
  13 *
  14 *      - Redistributions of source code must retain the above
  15 *        copyright notice, this list of conditions and the following
  16 *        disclaimer.
  17 *
  18 *      - Redistributions in binary form must reproduce the above
  19 *        copyright notice, this list of conditions and the following
  20 *        disclaimer in the documentation and /or other materials
  21 *        provided with the distribution.
  22 *
  23 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
  24 * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
  25 * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
  26 * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS
  27 * BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN
  28 * ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
  29 * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
  30 * SOFTWARE.
  31 */
  32
  33#include <linux/types.h>
  34#include <asm/byteorder.h>
  35#include <linux/delay.h>
  36#include <linux/errno.h>
  37#include <linux/kernel.h>
  38#include <linux/slab.h>
  39#include <linux/spinlock.h>
  40#include <linux/string.h>
  41#include <linux/etherdevice.h>
  42#include "qed.h"
  43#include "qed_cxt.h"
  44#include "qed_dcbx.h"
  45#include "qed_hsi.h"
 
  46#include "qed_hw.h"
  47#include "qed_mcp.h"
  48#include "qed_reg_addr.h"
  49#include "qed_sriov.h"
  50
 
 
  51#define QED_MCP_RESP_ITER_US	10
  52
  53#define QED_DRV_MB_MAX_RETRIES	(500 * 1000)	/* Account for 5 sec */
  54#define QED_MCP_RESET_RETRIES	(50 * 1000)	/* Account for 500 msec */
  55
  56#define DRV_INNER_WR(_p_hwfn, _p_ptt, _ptr, _offset, _val)	     \
  57	qed_wr(_p_hwfn, _p_ptt, (_p_hwfn->mcp_info->_ptr + _offset), \
  58	       _val)
  59
  60#define DRV_INNER_RD(_p_hwfn, _p_ptt, _ptr, _offset) \
  61	qed_rd(_p_hwfn, _p_ptt, (_p_hwfn->mcp_info->_ptr + _offset))
  62
  63#define DRV_MB_WR(_p_hwfn, _p_ptt, _field, _val)  \
  64	DRV_INNER_WR(p_hwfn, _p_ptt, drv_mb_addr, \
  65		     offsetof(struct public_drv_mb, _field), _val)
  66
  67#define DRV_MB_RD(_p_hwfn, _p_ptt, _field)	   \
  68	DRV_INNER_RD(_p_hwfn, _p_ptt, drv_mb_addr, \
  69		     offsetof(struct public_drv_mb, _field))
  70
  71#define PDA_COMP (((FW_MAJOR_VERSION) + (FW_MINOR_VERSION << 8)) << \
  72		  DRV_ID_PDA_COMP_VER_SHIFT)
  73
  74#define MCP_BYTES_PER_MBIT_SHIFT 17
  75
  76bool qed_mcp_is_init(struct qed_hwfn *p_hwfn)
  77{
  78	if (!p_hwfn->mcp_info || !p_hwfn->mcp_info->public_base)
  79		return false;
  80	return true;
  81}
  82
  83void qed_mcp_cmd_port_init(struct qed_hwfn *p_hwfn, struct qed_ptt *p_ptt)
  84{
  85	u32 addr = SECTION_OFFSIZE_ADDR(p_hwfn->mcp_info->public_base,
  86					PUBLIC_PORT);
  87	u32 mfw_mb_offsize = qed_rd(p_hwfn, p_ptt, addr);
  88
  89	p_hwfn->mcp_info->port_addr = SECTION_ADDR(mfw_mb_offsize,
  90						   MFW_PORT(p_hwfn));
  91	DP_VERBOSE(p_hwfn, QED_MSG_SP,
  92		   "port_addr = 0x%x, port_id 0x%02x\n",
  93		   p_hwfn->mcp_info->port_addr, MFW_PORT(p_hwfn));
  94}
  95
  96void qed_mcp_read_mb(struct qed_hwfn *p_hwfn, struct qed_ptt *p_ptt)
  97{
  98	u32 length = MFW_DRV_MSG_MAX_DWORDS(p_hwfn->mcp_info->mfw_mb_length);
  99	u32 tmp, i;
 100
 101	if (!p_hwfn->mcp_info->public_base)
 102		return;
 103
 104	for (i = 0; i < length; i++) {
 105		tmp = qed_rd(p_hwfn, p_ptt,
 106			     p_hwfn->mcp_info->mfw_mb_addr +
 107			     (i << 2) + sizeof(u32));
 108
 109		/* The MB data is actually BE; Need to force it to cpu */
 110		((u32 *)p_hwfn->mcp_info->mfw_mb_cur)[i] =
 111			be32_to_cpu((__force __be32)tmp);
 112	}
 113}
 114
 115struct qed_mcp_cmd_elem {
 116	struct list_head list;
 117	struct qed_mcp_mb_params *p_mb_params;
 118	u16 expected_seq_num;
 119	bool b_is_completed;
 120};
 121
 122/* Must be called while cmd_lock is acquired */
 123static struct qed_mcp_cmd_elem *
 124qed_mcp_cmd_add_elem(struct qed_hwfn *p_hwfn,
 125		     struct qed_mcp_mb_params *p_mb_params,
 126		     u16 expected_seq_num)
 127{
 128	struct qed_mcp_cmd_elem *p_cmd_elem = NULL;
 129
 130	p_cmd_elem = kzalloc(sizeof(*p_cmd_elem), GFP_ATOMIC);
 131	if (!p_cmd_elem)
 132		goto out;
 133
 134	p_cmd_elem->p_mb_params = p_mb_params;
 135	p_cmd_elem->expected_seq_num = expected_seq_num;
 136	list_add(&p_cmd_elem->list, &p_hwfn->mcp_info->cmd_list);
 137out:
 138	return p_cmd_elem;
 139}
 140
 141/* Must be called while cmd_lock is acquired */
 142static void qed_mcp_cmd_del_elem(struct qed_hwfn *p_hwfn,
 143				 struct qed_mcp_cmd_elem *p_cmd_elem)
 144{
 145	list_del(&p_cmd_elem->list);
 146	kfree(p_cmd_elem);
 147}
 148
 149/* Must be called while cmd_lock is acquired */
 150static struct qed_mcp_cmd_elem *qed_mcp_cmd_get_elem(struct qed_hwfn *p_hwfn,
 151						     u16 seq_num)
 152{
 153	struct qed_mcp_cmd_elem *p_cmd_elem = NULL;
 154
 155	list_for_each_entry(p_cmd_elem, &p_hwfn->mcp_info->cmd_list, list) {
 156		if (p_cmd_elem->expected_seq_num == seq_num)
 157			return p_cmd_elem;
 158	}
 159
 160	return NULL;
 161}
 162
 163int qed_mcp_free(struct qed_hwfn *p_hwfn)
 164{
 165	if (p_hwfn->mcp_info) {
 166		struct qed_mcp_cmd_elem *p_cmd_elem, *p_tmp;
 167
 168		kfree(p_hwfn->mcp_info->mfw_mb_cur);
 169		kfree(p_hwfn->mcp_info->mfw_mb_shadow);
 170
 171		spin_lock_bh(&p_hwfn->mcp_info->cmd_lock);
 172		list_for_each_entry_safe(p_cmd_elem,
 173					 p_tmp,
 174					 &p_hwfn->mcp_info->cmd_list, list) {
 175			qed_mcp_cmd_del_elem(p_hwfn, p_cmd_elem);
 176		}
 177		spin_unlock_bh(&p_hwfn->mcp_info->cmd_lock);
 178	}
 179
 180	kfree(p_hwfn->mcp_info);
 181	p_hwfn->mcp_info = NULL;
 182
 183	return 0;
 184}
 185
 186/* Maximum of 1 sec to wait for the SHMEM ready indication */
 187#define QED_MCP_SHMEM_RDY_MAX_RETRIES	20
 188#define QED_MCP_SHMEM_RDY_ITER_MS	50
 189
 190static int qed_load_mcp_offsets(struct qed_hwfn *p_hwfn, struct qed_ptt *p_ptt)
 191{
 192	struct qed_mcp_info *p_info = p_hwfn->mcp_info;
 193	u8 cnt = QED_MCP_SHMEM_RDY_MAX_RETRIES;
 194	u8 msec = QED_MCP_SHMEM_RDY_ITER_MS;
 195	u32 drv_mb_offsize, mfw_mb_offsize;
 196	u32 mcp_pf_id = MCP_PF_ID(p_hwfn);
 197
 198	p_info->public_base = qed_rd(p_hwfn, p_ptt, MISC_REG_SHARED_MEM_ADDR);
 199	if (!p_info->public_base) {
 200		DP_NOTICE(p_hwfn,
 201			  "The address of the MCP scratch-pad is not configured\n");
 202		return -EINVAL;
 203	}
 204
 205	p_info->public_base |= GRCBASE_MCP;
 206
 207	/* Get the MFW MB address and number of supported messages */
 208	mfw_mb_offsize = qed_rd(p_hwfn, p_ptt,
 209				SECTION_OFFSIZE_ADDR(p_info->public_base,
 210						     PUBLIC_MFW_MB));
 211	p_info->mfw_mb_addr = SECTION_ADDR(mfw_mb_offsize, mcp_pf_id);
 212	p_info->mfw_mb_length = (u16)qed_rd(p_hwfn, p_ptt,
 213					    p_info->mfw_mb_addr +
 214					    offsetof(struct public_mfw_mb,
 215						     sup_msgs));
 216
 217	/* The driver can notify that there was an MCP reset, and might read the
 218	 * SHMEM values before the MFW has completed initializing them.
 219	 * To avoid this, the "sup_msgs" field in the MFW mailbox is used as a
 220	 * data ready indication.
 221	 */
 222	while (!p_info->mfw_mb_length && --cnt) {
 223		msleep(msec);
 224		p_info->mfw_mb_length =
 225			(u16)qed_rd(p_hwfn, p_ptt,
 226				    p_info->mfw_mb_addr +
 227				    offsetof(struct public_mfw_mb, sup_msgs));
 228	}
 229
 230	if (!cnt) {
 231		DP_NOTICE(p_hwfn,
 232			  "Failed to get the SHMEM ready notification after %d msec\n",
 233			  QED_MCP_SHMEM_RDY_MAX_RETRIES * msec);
 234		return -EBUSY;
 235	}
 236
 237	/* Calculate the driver and MFW mailbox address */
 238	drv_mb_offsize = qed_rd(p_hwfn, p_ptt,
 239				SECTION_OFFSIZE_ADDR(p_info->public_base,
 240						     PUBLIC_DRV_MB));
 241	p_info->drv_mb_addr = SECTION_ADDR(drv_mb_offsize, mcp_pf_id);
 242	DP_VERBOSE(p_hwfn, QED_MSG_SP,
 243		   "drv_mb_offsiz = 0x%x, drv_mb_addr = 0x%x mcp_pf_id = 0x%x\n",
 244		   drv_mb_offsize, p_info->drv_mb_addr, mcp_pf_id);
 245
 246	/* Get the current driver mailbox sequence before sending
 247	 * the first command
 248	 */
 249	p_info->drv_mb_seq = DRV_MB_RD(p_hwfn, p_ptt, drv_mb_header) &
 250			     DRV_MSG_SEQ_NUMBER_MASK;
 251
 252	/* Get current FW pulse sequence */
 253	p_info->drv_pulse_seq = DRV_MB_RD(p_hwfn, p_ptt, drv_pulse_mb) &
 254				DRV_PULSE_SEQ_MASK;
 255
 256	p_info->mcp_hist = qed_rd(p_hwfn, p_ptt, MISCS_REG_GENERIC_POR_0);
 257
 258	return 0;
 259}
 260
 261int qed_mcp_cmd_init(struct qed_hwfn *p_hwfn, struct qed_ptt *p_ptt)
 262{
 263	struct qed_mcp_info *p_info;
 264	u32 size;
 265
 266	/* Allocate mcp_info structure */
 267	p_hwfn->mcp_info = kzalloc(sizeof(*p_hwfn->mcp_info), GFP_KERNEL);
 268	if (!p_hwfn->mcp_info)
 269		goto err;
 270	p_info = p_hwfn->mcp_info;
 271
 272	/* Initialize the MFW spinlock */
 273	spin_lock_init(&p_info->cmd_lock);
 274	spin_lock_init(&p_info->link_lock);
 
 275
 276	INIT_LIST_HEAD(&p_info->cmd_list);
 277
 278	if (qed_load_mcp_offsets(p_hwfn, p_ptt) != 0) {
 279		DP_NOTICE(p_hwfn, "MCP is not initialized\n");
 280		/* Do not free mcp_info here, since public_base indicate that
 281		 * the MCP is not initialized
 282		 */
 283		return 0;
 284	}
 285
 286	size = MFW_DRV_MSG_MAX_DWORDS(p_info->mfw_mb_length) * sizeof(u32);
 287	p_info->mfw_mb_cur = kzalloc(size, GFP_KERNEL);
 288	p_info->mfw_mb_shadow = kzalloc(size, GFP_KERNEL);
 289	if (!p_info->mfw_mb_cur || !p_info->mfw_mb_shadow)
 290		goto err;
 291
 292	return 0;
 293
 294err:
 295	qed_mcp_free(p_hwfn);
 296	return -ENOMEM;
 297}
 298
 299static void qed_mcp_reread_offsets(struct qed_hwfn *p_hwfn,
 300				   struct qed_ptt *p_ptt)
 301{
 302	u32 generic_por_0 = qed_rd(p_hwfn, p_ptt, MISCS_REG_GENERIC_POR_0);
 303
 304	/* Use MCP history register to check if MCP reset occurred between init
 305	 * time and now.
 306	 */
 307	if (p_hwfn->mcp_info->mcp_hist != generic_por_0) {
 308		DP_VERBOSE(p_hwfn,
 309			   QED_MSG_SP,
 310			   "Rereading MCP offsets [mcp_hist 0x%08x, generic_por_0 0x%08x]\n",
 311			   p_hwfn->mcp_info->mcp_hist, generic_por_0);
 312
 313		qed_load_mcp_offsets(p_hwfn, p_ptt);
 314		qed_mcp_cmd_port_init(p_hwfn, p_ptt);
 315	}
 316}
 317
 318int qed_mcp_reset(struct qed_hwfn *p_hwfn, struct qed_ptt *p_ptt)
 319{
 320	u32 org_mcp_reset_seq, seq, delay = QED_MCP_RESP_ITER_US, cnt = 0;
 321	int rc = 0;
 322
 323	if (p_hwfn->mcp_info->b_block_cmd) {
 324		DP_NOTICE(p_hwfn,
 325			  "The MFW is not responsive. Avoid sending MCP_RESET mailbox command.\n");
 326		return -EBUSY;
 327	}
 328
 329	/* Ensure that only a single thread is accessing the mailbox */
 330	spin_lock_bh(&p_hwfn->mcp_info->cmd_lock);
 331
 332	org_mcp_reset_seq = qed_rd(p_hwfn, p_ptt, MISCS_REG_GENERIC_POR_0);
 333
 334	/* Set drv command along with the updated sequence */
 335	qed_mcp_reread_offsets(p_hwfn, p_ptt);
 336	seq = ++p_hwfn->mcp_info->drv_mb_seq;
 337	DRV_MB_WR(p_hwfn, p_ptt, drv_mb_header, (DRV_MSG_CODE_MCP_RESET | seq));
 338
 339	do {
 340		/* Wait for MFW response */
 341		udelay(delay);
 342		/* Give the FW up to 500 second (50*1000*10usec) */
 343	} while ((org_mcp_reset_seq == qed_rd(p_hwfn, p_ptt,
 344					      MISCS_REG_GENERIC_POR_0)) &&
 345		 (cnt++ < QED_MCP_RESET_RETRIES));
 346
 347	if (org_mcp_reset_seq !=
 348	    qed_rd(p_hwfn, p_ptt, MISCS_REG_GENERIC_POR_0)) {
 349		DP_VERBOSE(p_hwfn, QED_MSG_SP,
 350			   "MCP was reset after %d usec\n", cnt * delay);
 351	} else {
 352		DP_ERR(p_hwfn, "Failed to reset MCP\n");
 353		rc = -EAGAIN;
 354	}
 355
 356	spin_unlock_bh(&p_hwfn->mcp_info->cmd_lock);
 357
 358	return rc;
 359}
 360
 361/* Must be called while cmd_lock is acquired */
 362static bool qed_mcp_has_pending_cmd(struct qed_hwfn *p_hwfn)
 363{
 364	struct qed_mcp_cmd_elem *p_cmd_elem;
 365
 366	/* There is at most one pending command at a certain time, and if it
 367	 * exists - it is placed at the HEAD of the list.
 368	 */
 369	if (!list_empty(&p_hwfn->mcp_info->cmd_list)) {
 370		p_cmd_elem = list_first_entry(&p_hwfn->mcp_info->cmd_list,
 371					      struct qed_mcp_cmd_elem, list);
 372		return !p_cmd_elem->b_is_completed;
 373	}
 374
 375	return false;
 376}
 377
 378/* Must be called while cmd_lock is acquired */
 379static int
 380qed_mcp_update_pending_cmd(struct qed_hwfn *p_hwfn, struct qed_ptt *p_ptt)
 381{
 382	struct qed_mcp_mb_params *p_mb_params;
 383	struct qed_mcp_cmd_elem *p_cmd_elem;
 384	u32 mcp_resp;
 385	u16 seq_num;
 386
 387	mcp_resp = DRV_MB_RD(p_hwfn, p_ptt, fw_mb_header);
 388	seq_num = (u16)(mcp_resp & FW_MSG_SEQ_NUMBER_MASK);
 389
 390	/* Return if no new non-handled response has been received */
 391	if (seq_num != p_hwfn->mcp_info->drv_mb_seq)
 392		return -EAGAIN;
 393
 394	p_cmd_elem = qed_mcp_cmd_get_elem(p_hwfn, seq_num);
 395	if (!p_cmd_elem) {
 396		DP_ERR(p_hwfn,
 397		       "Failed to find a pending mailbox cmd that expects sequence number %d\n",
 398		       seq_num);
 399		return -EINVAL;
 400	}
 401
 402	p_mb_params = p_cmd_elem->p_mb_params;
 403
 404	/* Get the MFW response along with the sequence number */
 405	p_mb_params->mcp_resp = mcp_resp;
 406
 407	/* Get the MFW param */
 408	p_mb_params->mcp_param = DRV_MB_RD(p_hwfn, p_ptt, fw_mb_param);
 409
 410	/* Get the union data */
 411	if (p_mb_params->p_data_dst != NULL && p_mb_params->data_dst_size) {
 412		u32 union_data_addr = p_hwfn->mcp_info->drv_mb_addr +
 413				      offsetof(struct public_drv_mb,
 414					       union_data);
 415		qed_memcpy_from(p_hwfn, p_ptt, p_mb_params->p_data_dst,
 416				union_data_addr, p_mb_params->data_dst_size);
 417	}
 418
 419	p_cmd_elem->b_is_completed = true;
 420
 421	return 0;
 422}
 423
 424/* Must be called while cmd_lock is acquired */
 425static void __qed_mcp_cmd_and_union(struct qed_hwfn *p_hwfn,
 426				    struct qed_ptt *p_ptt,
 427				    struct qed_mcp_mb_params *p_mb_params,
 428				    u16 seq_num)
 429{
 430	union drv_union_data union_data;
 431	u32 union_data_addr;
 432
 433	/* Set the union data */
 434	union_data_addr = p_hwfn->mcp_info->drv_mb_addr +
 435			  offsetof(struct public_drv_mb, union_data);
 436	memset(&union_data, 0, sizeof(union_data));
 437	if (p_mb_params->p_data_src != NULL && p_mb_params->data_src_size)
 438		memcpy(&union_data, p_mb_params->p_data_src,
 439		       p_mb_params->data_src_size);
 440	qed_memcpy_to(p_hwfn, p_ptt, union_data_addr, &union_data,
 441		      sizeof(union_data));
 442
 443	/* Set the drv param */
 444	DRV_MB_WR(p_hwfn, p_ptt, drv_mb_param, p_mb_params->param);
 445
 446	/* Set the drv command along with the sequence number */
 447	DRV_MB_WR(p_hwfn, p_ptt, drv_mb_header, (p_mb_params->cmd | seq_num));
 448
 449	DP_VERBOSE(p_hwfn, QED_MSG_SP,
 450		   "MFW mailbox: command 0x%08x param 0x%08x\n",
 451		   (p_mb_params->cmd | seq_num), p_mb_params->param);
 452}
 453
 454static void qed_mcp_cmd_set_blocking(struct qed_hwfn *p_hwfn, bool block_cmd)
 455{
 456	p_hwfn->mcp_info->b_block_cmd = block_cmd;
 457
 458	DP_INFO(p_hwfn, "%s sending of mailbox commands to the MFW\n",
 459		block_cmd ? "Block" : "Unblock");
 460}
 461
 462static void qed_mcp_print_cpu_info(struct qed_hwfn *p_hwfn,
 463				   struct qed_ptt *p_ptt)
 464{
 465	u32 cpu_mode, cpu_state, cpu_pc_0, cpu_pc_1, cpu_pc_2;
 466	u32 delay = QED_MCP_RESP_ITER_US;
 467
 468	cpu_mode = qed_rd(p_hwfn, p_ptt, MCP_REG_CPU_MODE);
 469	cpu_state = qed_rd(p_hwfn, p_ptt, MCP_REG_CPU_STATE);
 470	cpu_pc_0 = qed_rd(p_hwfn, p_ptt, MCP_REG_CPU_PROGRAM_COUNTER);
 471	udelay(delay);
 472	cpu_pc_1 = qed_rd(p_hwfn, p_ptt, MCP_REG_CPU_PROGRAM_COUNTER);
 473	udelay(delay);
 474	cpu_pc_2 = qed_rd(p_hwfn, p_ptt, MCP_REG_CPU_PROGRAM_COUNTER);
 475
 476	DP_NOTICE(p_hwfn,
 477		  "MCP CPU info: mode 0x%08x, state 0x%08x, pc {0x%08x, 0x%08x, 0x%08x}\n",
 478		  cpu_mode, cpu_state, cpu_pc_0, cpu_pc_1, cpu_pc_2);
 479}
 480
 481static int
 482_qed_mcp_cmd_and_union(struct qed_hwfn *p_hwfn,
 483		       struct qed_ptt *p_ptt,
 484		       struct qed_mcp_mb_params *p_mb_params,
 485		       u32 max_retries, u32 usecs)
 486{
 487	u32 cnt = 0, msecs = DIV_ROUND_UP(usecs, 1000);
 488	struct qed_mcp_cmd_elem *p_cmd_elem;
 489	u16 seq_num;
 
 490	int rc = 0;
 491
 492	/* Wait until the mailbox is non-occupied */
 493	do {
 494		/* Exit the loop if there is no pending command, or if the
 495		 * pending command is completed during this iteration.
 496		 * The spinlock stays locked until the command is sent.
 497		 */
 498
 499		spin_lock_bh(&p_hwfn->mcp_info->cmd_lock);
 500
 501		if (!qed_mcp_has_pending_cmd(p_hwfn))
 502			break;
 503
 504		rc = qed_mcp_update_pending_cmd(p_hwfn, p_ptt);
 505		if (!rc)
 506			break;
 507		else if (rc != -EAGAIN)
 508			goto err;
 509
 510		spin_unlock_bh(&p_hwfn->mcp_info->cmd_lock);
 511
 512		if (QED_MB_FLAGS_IS_SET(p_mb_params, CAN_SLEEP))
 513			msleep(msecs);
 
 514		else
 515			udelay(usecs);
 516	} while (++cnt < max_retries);
 517
 518	if (cnt >= max_retries) {
 519		DP_NOTICE(p_hwfn,
 520			  "The MFW mailbox is occupied by an uncompleted command. Failed to send command 0x%08x [param 0x%08x].\n",
 521			  p_mb_params->cmd, p_mb_params->param);
 522		return -EAGAIN;
 523	}
 524
 525	/* Send the mailbox command */
 526	qed_mcp_reread_offsets(p_hwfn, p_ptt);
 527	seq_num = ++p_hwfn->mcp_info->drv_mb_seq;
 528	p_cmd_elem = qed_mcp_cmd_add_elem(p_hwfn, p_mb_params, seq_num);
 529	if (!p_cmd_elem) {
 530		rc = -ENOMEM;
 531		goto err;
 532	}
 533
 534	__qed_mcp_cmd_and_union(p_hwfn, p_ptt, p_mb_params, seq_num);
 535	spin_unlock_bh(&p_hwfn->mcp_info->cmd_lock);
 536
 537	/* Wait for the MFW response */
 538	do {
 539		/* Exit the loop if the command is already completed, or if the
 540		 * command is completed during this iteration.
 541		 * The spinlock stays locked until the list element is removed.
 542		 */
 543
 544		if (QED_MB_FLAGS_IS_SET(p_mb_params, CAN_SLEEP))
 545			msleep(msecs);
 
 546		else
 547			udelay(usecs);
 548
 549		spin_lock_bh(&p_hwfn->mcp_info->cmd_lock);
 550
 551		if (p_cmd_elem->b_is_completed)
 552			break;
 553
 554		rc = qed_mcp_update_pending_cmd(p_hwfn, p_ptt);
 555		if (!rc)
 556			break;
 557		else if (rc != -EAGAIN)
 558			goto err;
 559
 560		spin_unlock_bh(&p_hwfn->mcp_info->cmd_lock);
 561	} while (++cnt < max_retries);
 562
 563	if (cnt >= max_retries) {
 564		DP_NOTICE(p_hwfn,
 565			  "The MFW failed to respond to command 0x%08x [param 0x%08x].\n",
 566			  p_mb_params->cmd, p_mb_params->param);
 567		qed_mcp_print_cpu_info(p_hwfn, p_ptt);
 568
 569		spin_lock_bh(&p_hwfn->mcp_info->cmd_lock);
 570		qed_mcp_cmd_del_elem(p_hwfn, p_cmd_elem);
 571		spin_unlock_bh(&p_hwfn->mcp_info->cmd_lock);
 572
 573		if (!QED_MB_FLAGS_IS_SET(p_mb_params, AVOID_BLOCK))
 574			qed_mcp_cmd_set_blocking(p_hwfn, true);
 575
 
 
 576		return -EAGAIN;
 577	}
 578
 579	qed_mcp_cmd_del_elem(p_hwfn, p_cmd_elem);
 580	spin_unlock_bh(&p_hwfn->mcp_info->cmd_lock);
 581
 582	DP_VERBOSE(p_hwfn,
 583		   QED_MSG_SP,
 584		   "MFW mailbox: response 0x%08x param 0x%08x [after %d.%03d ms]\n",
 585		   p_mb_params->mcp_resp,
 586		   p_mb_params->mcp_param,
 587		   (cnt * usecs) / 1000, (cnt * usecs) % 1000);
 
 588
 589	/* Clear the sequence number from the MFW response */
 590	p_mb_params->mcp_resp &= FW_MSG_CODE_MASK;
 591
 592	return 0;
 593
 594err:
 595	spin_unlock_bh(&p_hwfn->mcp_info->cmd_lock);
 596	return rc;
 597}
 598
 599static int qed_mcp_cmd_and_union(struct qed_hwfn *p_hwfn,
 600				 struct qed_ptt *p_ptt,
 601				 struct qed_mcp_mb_params *p_mb_params)
 602{
 603	size_t union_data_size = sizeof(union drv_union_data);
 604	u32 max_retries = QED_DRV_MB_MAX_RETRIES;
 605	u32 usecs = QED_MCP_RESP_ITER_US;
 606
 607	/* MCP not initialized */
 608	if (!qed_mcp_is_init(p_hwfn)) {
 609		DP_NOTICE(p_hwfn, "MFW is not initialized!\n");
 610		return -EBUSY;
 611	}
 612
 613	if (p_hwfn->mcp_info->b_block_cmd) {
 614		DP_NOTICE(p_hwfn,
 615			  "The MFW is not responsive. Avoid sending mailbox command 0x%08x [param 0x%08x].\n",
 616			  p_mb_params->cmd, p_mb_params->param);
 617		return -EBUSY;
 618	}
 619
 620	if (p_mb_params->data_src_size > union_data_size ||
 621	    p_mb_params->data_dst_size > union_data_size) {
 622		DP_ERR(p_hwfn,
 623		       "The provided size is larger than the union data size [src_size %u, dst_size %u, union_data_size %zu]\n",
 624		       p_mb_params->data_src_size,
 625		       p_mb_params->data_dst_size, union_data_size);
 626		return -EINVAL;
 627	}
 628
 629	if (QED_MB_FLAGS_IS_SET(p_mb_params, CAN_SLEEP)) {
 630		max_retries = DIV_ROUND_UP(max_retries, 1000);
 631		usecs *= 1000;
 632	}
 633
 634	return _qed_mcp_cmd_and_union(p_hwfn, p_ptt, p_mb_params, max_retries,
 635				      usecs);
 636}
 637
 638int qed_mcp_cmd(struct qed_hwfn *p_hwfn,
 639		struct qed_ptt *p_ptt,
 640		u32 cmd,
 641		u32 param,
 642		u32 *o_mcp_resp,
 643		u32 *o_mcp_param)
 
 644{
 645	struct qed_mcp_mb_params mb_params;
 646	int rc;
 647
 648	memset(&mb_params, 0, sizeof(mb_params));
 649	mb_params.cmd = cmd;
 650	mb_params.param = param;
 
 651
 652	rc = qed_mcp_cmd_and_union(p_hwfn, p_ptt, &mb_params);
 653	if (rc)
 654		return rc;
 655
 656	*o_mcp_resp = mb_params.mcp_resp;
 657	*o_mcp_param = mb_params.mcp_param;
 658
 659	return 0;
 660}
 661
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 662static int
 663qed_mcp_nvm_wr_cmd(struct qed_hwfn *p_hwfn,
 664		   struct qed_ptt *p_ptt,
 665		   u32 cmd,
 666		   u32 param,
 667		   u32 *o_mcp_resp,
 668		   u32 *o_mcp_param, u32 i_txn_size, u32 *i_buf)
 669{
 670	struct qed_mcp_mb_params mb_params;
 671	int rc;
 672
 673	memset(&mb_params, 0, sizeof(mb_params));
 674	mb_params.cmd = cmd;
 675	mb_params.param = param;
 676	mb_params.p_data_src = i_buf;
 677	mb_params.data_src_size = (u8)i_txn_size;
 678	rc = qed_mcp_cmd_and_union(p_hwfn, p_ptt, &mb_params);
 679	if (rc)
 680		return rc;
 681
 682	*o_mcp_resp = mb_params.mcp_resp;
 683	*o_mcp_param = mb_params.mcp_param;
 684
 685	/* nvm_info needs to be updated */
 686	p_hwfn->nvm_info.valid = false;
 687
 688	return 0;
 689}
 690
 691int qed_mcp_nvm_rd_cmd(struct qed_hwfn *p_hwfn,
 692		       struct qed_ptt *p_ptt,
 693		       u32 cmd,
 694		       u32 param,
 695		       u32 *o_mcp_resp,
 696		       u32 *o_mcp_param, u32 *o_txn_size, u32 *o_buf)
 
 697{
 698	struct qed_mcp_mb_params mb_params;
 699	u8 raw_data[MCP_DRV_NVM_BUF_LEN];
 700	int rc;
 701
 702	memset(&mb_params, 0, sizeof(mb_params));
 703	mb_params.cmd = cmd;
 704	mb_params.param = param;
 705	mb_params.p_data_dst = raw_data;
 706
 707	/* Use the maximal value since the actual one is part of the response */
 708	mb_params.data_dst_size = MCP_DRV_NVM_BUF_LEN;
 
 
 709
 710	rc = qed_mcp_cmd_and_union(p_hwfn, p_ptt, &mb_params);
 711	if (rc)
 712		return rc;
 713
 714	*o_mcp_resp = mb_params.mcp_resp;
 715	*o_mcp_param = mb_params.mcp_param;
 716
 717	*o_txn_size = *o_mcp_param;
 718	memcpy(o_buf, raw_data, *o_txn_size);
 719
 720	return 0;
 721}
 722
 723static bool
 724qed_mcp_can_force_load(u8 drv_role,
 725		       u8 exist_drv_role,
 726		       enum qed_override_force_load override_force_load)
 727{
 728	bool can_force_load = false;
 729
 730	switch (override_force_load) {
 731	case QED_OVERRIDE_FORCE_LOAD_ALWAYS:
 732		can_force_load = true;
 733		break;
 734	case QED_OVERRIDE_FORCE_LOAD_NEVER:
 735		can_force_load = false;
 736		break;
 737	default:
 738		can_force_load = (drv_role == DRV_ROLE_OS &&
 739				  exist_drv_role == DRV_ROLE_PREBOOT) ||
 740				 (drv_role == DRV_ROLE_KDUMP &&
 741				  exist_drv_role == DRV_ROLE_OS);
 742		break;
 743	}
 744
 745	return can_force_load;
 746}
 747
 748static int qed_mcp_cancel_load_req(struct qed_hwfn *p_hwfn,
 749				   struct qed_ptt *p_ptt)
 750{
 751	u32 resp = 0, param = 0;
 752	int rc;
 753
 754	rc = qed_mcp_cmd(p_hwfn, p_ptt, DRV_MSG_CODE_CANCEL_LOAD_REQ, 0,
 755			 &resp, &param);
 756	if (rc)
 757		DP_NOTICE(p_hwfn,
 758			  "Failed to send cancel load request, rc = %d\n", rc);
 759
 760	return rc;
 761}
 762
 763#define CONFIG_QEDE_BITMAP_IDX		BIT(0)
 764#define CONFIG_QED_SRIOV_BITMAP_IDX	BIT(1)
 765#define CONFIG_QEDR_BITMAP_IDX		BIT(2)
 766#define CONFIG_QEDF_BITMAP_IDX		BIT(4)
 767#define CONFIG_QEDI_BITMAP_IDX		BIT(5)
 768#define CONFIG_QED_LL2_BITMAP_IDX	BIT(6)
 769
 770static u32 qed_get_config_bitmap(void)
 771{
 772	u32 config_bitmap = 0x0;
 773
 774	if (IS_ENABLED(CONFIG_QEDE))
 775		config_bitmap |= CONFIG_QEDE_BITMAP_IDX;
 776
 777	if (IS_ENABLED(CONFIG_QED_SRIOV))
 778		config_bitmap |= CONFIG_QED_SRIOV_BITMAP_IDX;
 779
 780	if (IS_ENABLED(CONFIG_QED_RDMA))
 781		config_bitmap |= CONFIG_QEDR_BITMAP_IDX;
 782
 783	if (IS_ENABLED(CONFIG_QED_FCOE))
 784		config_bitmap |= CONFIG_QEDF_BITMAP_IDX;
 785
 786	if (IS_ENABLED(CONFIG_QED_ISCSI))
 787		config_bitmap |= CONFIG_QEDI_BITMAP_IDX;
 788
 789	if (IS_ENABLED(CONFIG_QED_LL2))
 790		config_bitmap |= CONFIG_QED_LL2_BITMAP_IDX;
 791
 792	return config_bitmap;
 793}
 794
 795struct qed_load_req_in_params {
 796	u8 hsi_ver;
 797#define QED_LOAD_REQ_HSI_VER_DEFAULT	0
 798#define QED_LOAD_REQ_HSI_VER_1		1
 799	u32 drv_ver_0;
 800	u32 drv_ver_1;
 801	u32 fw_ver;
 802	u8 drv_role;
 803	u8 timeout_val;
 804	u8 force_cmd;
 805	bool avoid_eng_reset;
 806};
 807
 808struct qed_load_req_out_params {
 809	u32 load_code;
 810	u32 exist_drv_ver_0;
 811	u32 exist_drv_ver_1;
 812	u32 exist_fw_ver;
 813	u8 exist_drv_role;
 814	u8 mfw_hsi_ver;
 815	bool drv_exists;
 816};
 817
 818static int
 819__qed_mcp_load_req(struct qed_hwfn *p_hwfn,
 820		   struct qed_ptt *p_ptt,
 821		   struct qed_load_req_in_params *p_in_params,
 822		   struct qed_load_req_out_params *p_out_params)
 823{
 824	struct qed_mcp_mb_params mb_params;
 825	struct load_req_stc load_req;
 826	struct load_rsp_stc load_rsp;
 827	u32 hsi_ver;
 828	int rc;
 829
 830	memset(&load_req, 0, sizeof(load_req));
 831	load_req.drv_ver_0 = p_in_params->drv_ver_0;
 832	load_req.drv_ver_1 = p_in_params->drv_ver_1;
 833	load_req.fw_ver = p_in_params->fw_ver;
 834	QED_MFW_SET_FIELD(load_req.misc0, LOAD_REQ_ROLE, p_in_params->drv_role);
 835	QED_MFW_SET_FIELD(load_req.misc0, LOAD_REQ_LOCK_TO,
 836			  p_in_params->timeout_val);
 837	QED_MFW_SET_FIELD(load_req.misc0, LOAD_REQ_FORCE,
 838			  p_in_params->force_cmd);
 839	QED_MFW_SET_FIELD(load_req.misc0, LOAD_REQ_FLAGS0,
 840			  p_in_params->avoid_eng_reset);
 841
 842	hsi_ver = (p_in_params->hsi_ver == QED_LOAD_REQ_HSI_VER_DEFAULT) ?
 843		  DRV_ID_MCP_HSI_VER_CURRENT :
 844		  (p_in_params->hsi_ver << DRV_ID_MCP_HSI_VER_SHIFT);
 845
 846	memset(&mb_params, 0, sizeof(mb_params));
 847	mb_params.cmd = DRV_MSG_CODE_LOAD_REQ;
 848	mb_params.param = PDA_COMP | hsi_ver | p_hwfn->cdev->drv_type;
 849	mb_params.p_data_src = &load_req;
 850	mb_params.data_src_size = sizeof(load_req);
 851	mb_params.p_data_dst = &load_rsp;
 852	mb_params.data_dst_size = sizeof(load_rsp);
 853	mb_params.flags = QED_MB_FLAG_CAN_SLEEP | QED_MB_FLAG_AVOID_BLOCK;
 854
 855	DP_VERBOSE(p_hwfn, QED_MSG_SP,
 856		   "Load Request: param 0x%08x [init_hw %d, drv_type %d, hsi_ver %d, pda 0x%04x]\n",
 857		   mb_params.param,
 858		   QED_MFW_GET_FIELD(mb_params.param, DRV_ID_DRV_INIT_HW),
 859		   QED_MFW_GET_FIELD(mb_params.param, DRV_ID_DRV_TYPE),
 860		   QED_MFW_GET_FIELD(mb_params.param, DRV_ID_MCP_HSI_VER),
 861		   QED_MFW_GET_FIELD(mb_params.param, DRV_ID_PDA_COMP_VER));
 862
 863	if (p_in_params->hsi_ver != QED_LOAD_REQ_HSI_VER_1) {
 864		DP_VERBOSE(p_hwfn, QED_MSG_SP,
 865			   "Load Request: drv_ver 0x%08x_0x%08x, fw_ver 0x%08x, misc0 0x%08x [role %d, timeout %d, force %d, flags0 0x%x]\n",
 866			   load_req.drv_ver_0,
 867			   load_req.drv_ver_1,
 868			   load_req.fw_ver,
 869			   load_req.misc0,
 870			   QED_MFW_GET_FIELD(load_req.misc0, LOAD_REQ_ROLE),
 871			   QED_MFW_GET_FIELD(load_req.misc0,
 872					     LOAD_REQ_LOCK_TO),
 873			   QED_MFW_GET_FIELD(load_req.misc0, LOAD_REQ_FORCE),
 874			   QED_MFW_GET_FIELD(load_req.misc0, LOAD_REQ_FLAGS0));
 875	}
 876
 877	rc = qed_mcp_cmd_and_union(p_hwfn, p_ptt, &mb_params);
 878	if (rc) {
 879		DP_NOTICE(p_hwfn, "Failed to send load request, rc = %d\n", rc);
 880		return rc;
 881	}
 882
 883	DP_VERBOSE(p_hwfn, QED_MSG_SP,
 884		   "Load Response: resp 0x%08x\n", mb_params.mcp_resp);
 885	p_out_params->load_code = mb_params.mcp_resp;
 886
 887	if (p_in_params->hsi_ver != QED_LOAD_REQ_HSI_VER_1 &&
 888	    p_out_params->load_code != FW_MSG_CODE_DRV_LOAD_REFUSED_HSI_1) {
 889		DP_VERBOSE(p_hwfn,
 890			   QED_MSG_SP,
 891			   "Load Response: exist_drv_ver 0x%08x_0x%08x, exist_fw_ver 0x%08x, misc0 0x%08x [exist_role %d, mfw_hsi %d, flags0 0x%x]\n",
 892			   load_rsp.drv_ver_0,
 893			   load_rsp.drv_ver_1,
 894			   load_rsp.fw_ver,
 895			   load_rsp.misc0,
 896			   QED_MFW_GET_FIELD(load_rsp.misc0, LOAD_RSP_ROLE),
 897			   QED_MFW_GET_FIELD(load_rsp.misc0, LOAD_RSP_HSI),
 898			   QED_MFW_GET_FIELD(load_rsp.misc0, LOAD_RSP_FLAGS0));
 899
 900		p_out_params->exist_drv_ver_0 = load_rsp.drv_ver_0;
 901		p_out_params->exist_drv_ver_1 = load_rsp.drv_ver_1;
 902		p_out_params->exist_fw_ver = load_rsp.fw_ver;
 903		p_out_params->exist_drv_role =
 904		    QED_MFW_GET_FIELD(load_rsp.misc0, LOAD_RSP_ROLE);
 905		p_out_params->mfw_hsi_ver =
 906		    QED_MFW_GET_FIELD(load_rsp.misc0, LOAD_RSP_HSI);
 907		p_out_params->drv_exists =
 908		    QED_MFW_GET_FIELD(load_rsp.misc0, LOAD_RSP_FLAGS0) &
 909		    LOAD_RSP_FLAGS0_DRV_EXISTS;
 910	}
 911
 912	return 0;
 913}
 914
 915static int eocre_get_mfw_drv_role(struct qed_hwfn *p_hwfn,
 916				  enum qed_drv_role drv_role,
 917				  u8 *p_mfw_drv_role)
 918{
 919	switch (drv_role) {
 920	case QED_DRV_ROLE_OS:
 921		*p_mfw_drv_role = DRV_ROLE_OS;
 922		break;
 923	case QED_DRV_ROLE_KDUMP:
 924		*p_mfw_drv_role = DRV_ROLE_KDUMP;
 925		break;
 926	default:
 927		DP_ERR(p_hwfn, "Unexpected driver role %d\n", drv_role);
 928		return -EINVAL;
 929	}
 930
 931	return 0;
 932}
 933
 934enum qed_load_req_force {
 935	QED_LOAD_REQ_FORCE_NONE,
 936	QED_LOAD_REQ_FORCE_PF,
 937	QED_LOAD_REQ_FORCE_ALL,
 938};
 939
 940static void qed_get_mfw_force_cmd(struct qed_hwfn *p_hwfn,
 941
 942				  enum qed_load_req_force force_cmd,
 943				  u8 *p_mfw_force_cmd)
 944{
 945	switch (force_cmd) {
 946	case QED_LOAD_REQ_FORCE_NONE:
 947		*p_mfw_force_cmd = LOAD_REQ_FORCE_NONE;
 948		break;
 949	case QED_LOAD_REQ_FORCE_PF:
 950		*p_mfw_force_cmd = LOAD_REQ_FORCE_PF;
 951		break;
 952	case QED_LOAD_REQ_FORCE_ALL:
 953		*p_mfw_force_cmd = LOAD_REQ_FORCE_ALL;
 954		break;
 955	}
 956}
 957
 958int qed_mcp_load_req(struct qed_hwfn *p_hwfn,
 959		     struct qed_ptt *p_ptt,
 960		     struct qed_load_req_params *p_params)
 961{
 962	struct qed_load_req_out_params out_params;
 963	struct qed_load_req_in_params in_params;
 964	u8 mfw_drv_role, mfw_force_cmd;
 965	int rc;
 966
 967	memset(&in_params, 0, sizeof(in_params));
 968	in_params.hsi_ver = QED_LOAD_REQ_HSI_VER_DEFAULT;
 969	in_params.drv_ver_0 = QED_VERSION;
 970	in_params.drv_ver_1 = qed_get_config_bitmap();
 971	in_params.fw_ver = STORM_FW_VERSION;
 972	rc = eocre_get_mfw_drv_role(p_hwfn, p_params->drv_role, &mfw_drv_role);
 973	if (rc)
 974		return rc;
 975
 976	in_params.drv_role = mfw_drv_role;
 977	in_params.timeout_val = p_params->timeout_val;
 978	qed_get_mfw_force_cmd(p_hwfn,
 979			      QED_LOAD_REQ_FORCE_NONE, &mfw_force_cmd);
 980
 981	in_params.force_cmd = mfw_force_cmd;
 982	in_params.avoid_eng_reset = p_params->avoid_eng_reset;
 983
 984	memset(&out_params, 0, sizeof(out_params));
 985	rc = __qed_mcp_load_req(p_hwfn, p_ptt, &in_params, &out_params);
 986	if (rc)
 987		return rc;
 988
 989	/* First handle cases where another load request should/might be sent:
 990	 * - MFW expects the old interface [HSI version = 1]
 991	 * - MFW responds that a force load request is required
 992	 */
 993	if (out_params.load_code == FW_MSG_CODE_DRV_LOAD_REFUSED_HSI_1) {
 994		DP_INFO(p_hwfn,
 995			"MFW refused a load request due to HSI > 1. Resending with HSI = 1\n");
 996
 997		in_params.hsi_ver = QED_LOAD_REQ_HSI_VER_1;
 998		memset(&out_params, 0, sizeof(out_params));
 999		rc = __qed_mcp_load_req(p_hwfn, p_ptt, &in_params, &out_params);
1000		if (rc)
1001			return rc;
1002	} else if (out_params.load_code ==
1003		   FW_MSG_CODE_DRV_LOAD_REFUSED_REQUIRES_FORCE) {
1004		if (qed_mcp_can_force_load(in_params.drv_role,
1005					   out_params.exist_drv_role,
1006					   p_params->override_force_load)) {
1007			DP_INFO(p_hwfn,
1008				"A force load is required [{role, fw_ver, drv_ver}: loading={%d, 0x%08x, x%08x_0x%08x}, existing={%d, 0x%08x, 0x%08x_0x%08x}]\n",
1009				in_params.drv_role, in_params.fw_ver,
1010				in_params.drv_ver_0, in_params.drv_ver_1,
1011				out_params.exist_drv_role,
1012				out_params.exist_fw_ver,
1013				out_params.exist_drv_ver_0,
1014				out_params.exist_drv_ver_1);
1015
1016			qed_get_mfw_force_cmd(p_hwfn,
1017					      QED_LOAD_REQ_FORCE_ALL,
1018					      &mfw_force_cmd);
1019
1020			in_params.force_cmd = mfw_force_cmd;
1021			memset(&out_params, 0, sizeof(out_params));
1022			rc = __qed_mcp_load_req(p_hwfn, p_ptt, &in_params,
1023						&out_params);
1024			if (rc)
1025				return rc;
1026		} else {
1027			DP_NOTICE(p_hwfn,
1028				  "A force load is required [{role, fw_ver, drv_ver}: loading={%d, 0x%08x, x%08x_0x%08x}, existing={%d, 0x%08x, 0x%08x_0x%08x}] - Avoid\n",
1029				  in_params.drv_role, in_params.fw_ver,
1030				  in_params.drv_ver_0, in_params.drv_ver_1,
1031				  out_params.exist_drv_role,
1032				  out_params.exist_fw_ver,
1033				  out_params.exist_drv_ver_0,
1034				  out_params.exist_drv_ver_1);
1035			DP_NOTICE(p_hwfn,
1036				  "Avoid sending a force load request to prevent disruption of active PFs\n");
1037
1038			qed_mcp_cancel_load_req(p_hwfn, p_ptt);
1039			return -EBUSY;
1040		}
1041	}
1042
1043	/* Now handle the other types of responses.
1044	 * The "REFUSED_HSI_1" and "REFUSED_REQUIRES_FORCE" responses are not
1045	 * expected here after the additional revised load requests were sent.
1046	 */
1047	switch (out_params.load_code) {
1048	case FW_MSG_CODE_DRV_LOAD_ENGINE:
1049	case FW_MSG_CODE_DRV_LOAD_PORT:
1050	case FW_MSG_CODE_DRV_LOAD_FUNCTION:
1051		if (out_params.mfw_hsi_ver != QED_LOAD_REQ_HSI_VER_1 &&
1052		    out_params.drv_exists) {
1053			/* The role and fw/driver version match, but the PF is
1054			 * already loaded and has not been unloaded gracefully.
1055			 */
1056			DP_NOTICE(p_hwfn,
1057				  "PF is already loaded\n");
1058			return -EINVAL;
1059		}
1060		break;
1061	default:
1062		DP_NOTICE(p_hwfn,
1063			  "Unexpected refusal to load request [resp 0x%08x]. Aborting.\n",
1064			  out_params.load_code);
1065		return -EBUSY;
1066	}
1067
1068	p_params->load_code = out_params.load_code;
1069
1070	return 0;
1071}
1072
1073int qed_mcp_load_done(struct qed_hwfn *p_hwfn, struct qed_ptt *p_ptt)
1074{
1075	u32 resp = 0, param = 0;
1076	int rc;
1077
1078	rc = qed_mcp_cmd(p_hwfn, p_ptt, DRV_MSG_CODE_LOAD_DONE, 0, &resp,
1079			 &param);
1080	if (rc) {
1081		DP_NOTICE(p_hwfn,
1082			  "Failed to send a LOAD_DONE command, rc = %d\n", rc);
1083		return rc;
1084	}
1085
1086	/* Check if there is a DID mismatch between nvm-cfg/efuse */
1087	if (param & FW_MB_PARAM_LOAD_DONE_DID_EFUSE_ERROR)
1088		DP_NOTICE(p_hwfn,
1089			  "warning: device configuration is not supported on this board type. The device may not function as expected.\n");
1090
1091	return 0;
1092}
1093
 
 
 
1094int qed_mcp_unload_req(struct qed_hwfn *p_hwfn, struct qed_ptt *p_ptt)
1095{
1096	struct qed_mcp_mb_params mb_params;
 
1097	u32 wol_param;
 
1098
1099	switch (p_hwfn->cdev->wol_config) {
1100	case QED_OV_WOL_DISABLED:
1101		wol_param = DRV_MB_PARAM_UNLOAD_WOL_DISABLED;
1102		break;
1103	case QED_OV_WOL_ENABLED:
1104		wol_param = DRV_MB_PARAM_UNLOAD_WOL_ENABLED;
1105		break;
1106	default:
1107		DP_NOTICE(p_hwfn,
1108			  "Unknown WoL configuration %02x\n",
1109			  p_hwfn->cdev->wol_config);
1110		/* Fallthrough */
1111	case QED_OV_WOL_DEFAULT:
1112		wol_param = DRV_MB_PARAM_UNLOAD_WOL_MCP;
1113	}
1114
1115	memset(&mb_params, 0, sizeof(mb_params));
1116	mb_params.cmd = DRV_MSG_CODE_UNLOAD_REQ;
1117	mb_params.param = wol_param;
1118	mb_params.flags = QED_MB_FLAG_CAN_SLEEP | QED_MB_FLAG_AVOID_BLOCK;
1119
1120	return qed_mcp_cmd_and_union(p_hwfn, p_ptt, &mb_params);
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
1121}
1122
1123int qed_mcp_unload_done(struct qed_hwfn *p_hwfn, struct qed_ptt *p_ptt)
1124{
1125	struct qed_mcp_mb_params mb_params;
1126	struct mcp_mac wol_mac;
1127
1128	memset(&mb_params, 0, sizeof(mb_params));
1129	mb_params.cmd = DRV_MSG_CODE_UNLOAD_DONE;
1130
1131	/* Set the primary MAC if WoL is enabled */
1132	if (p_hwfn->cdev->wol_config == QED_OV_WOL_ENABLED) {
1133		u8 *p_mac = p_hwfn->cdev->wol_mac;
1134
1135		memset(&wol_mac, 0, sizeof(wol_mac));
1136		wol_mac.mac_upper = p_mac[0] << 8 | p_mac[1];
1137		wol_mac.mac_lower = p_mac[2] << 24 | p_mac[3] << 16 |
1138				    p_mac[4] << 8 | p_mac[5];
1139
1140		DP_VERBOSE(p_hwfn,
1141			   (QED_MSG_SP | NETIF_MSG_IFDOWN),
1142			   "Setting WoL MAC: %pM --> [%08x,%08x]\n",
1143			   p_mac, wol_mac.mac_upper, wol_mac.mac_lower);
1144
1145		mb_params.p_data_src = &wol_mac;
1146		mb_params.data_src_size = sizeof(wol_mac);
1147	}
1148
1149	return qed_mcp_cmd_and_union(p_hwfn, p_ptt, &mb_params);
1150}
1151
1152static void qed_mcp_handle_vf_flr(struct qed_hwfn *p_hwfn,
1153				  struct qed_ptt *p_ptt)
1154{
1155	u32 addr = SECTION_OFFSIZE_ADDR(p_hwfn->mcp_info->public_base,
1156					PUBLIC_PATH);
1157	u32 mfw_path_offsize = qed_rd(p_hwfn, p_ptt, addr);
1158	u32 path_addr = SECTION_ADDR(mfw_path_offsize,
1159				     QED_PATH_ID(p_hwfn));
1160	u32 disabled_vfs[VF_MAX_STATIC / 32];
1161	int i;
1162
1163	DP_VERBOSE(p_hwfn,
1164		   QED_MSG_SP,
1165		   "Reading Disabled VF information from [offset %08x], path_addr %08x\n",
1166		   mfw_path_offsize, path_addr);
1167
1168	for (i = 0; i < (VF_MAX_STATIC / 32); i++) {
1169		disabled_vfs[i] = qed_rd(p_hwfn, p_ptt,
1170					 path_addr +
1171					 offsetof(struct public_path,
1172						  mcp_vf_disabled) +
1173					 sizeof(u32) * i);
1174		DP_VERBOSE(p_hwfn, (QED_MSG_SP | QED_MSG_IOV),
1175			   "FLR-ed VFs [%08x,...,%08x] - %08x\n",
1176			   i * 32, (i + 1) * 32 - 1, disabled_vfs[i]);
1177	}
1178
1179	if (qed_iov_mark_vf_flr(p_hwfn, disabled_vfs))
1180		qed_schedule_iov(p_hwfn, QED_IOV_WQ_FLR_FLAG);
1181}
1182
1183int qed_mcp_ack_vf_flr(struct qed_hwfn *p_hwfn,
1184		       struct qed_ptt *p_ptt, u32 *vfs_to_ack)
1185{
1186	u32 addr = SECTION_OFFSIZE_ADDR(p_hwfn->mcp_info->public_base,
1187					PUBLIC_FUNC);
1188	u32 mfw_func_offsize = qed_rd(p_hwfn, p_ptt, addr);
1189	u32 func_addr = SECTION_ADDR(mfw_func_offsize,
1190				     MCP_PF_ID(p_hwfn));
1191	struct qed_mcp_mb_params mb_params;
1192	int rc;
1193	int i;
1194
1195	for (i = 0; i < (VF_MAX_STATIC / 32); i++)
1196		DP_VERBOSE(p_hwfn, (QED_MSG_SP | QED_MSG_IOV),
1197			   "Acking VFs [%08x,...,%08x] - %08x\n",
1198			   i * 32, (i + 1) * 32 - 1, vfs_to_ack[i]);
1199
1200	memset(&mb_params, 0, sizeof(mb_params));
1201	mb_params.cmd = DRV_MSG_CODE_VF_DISABLED_DONE;
1202	mb_params.p_data_src = vfs_to_ack;
1203	mb_params.data_src_size = VF_MAX_STATIC / 8;
1204	rc = qed_mcp_cmd_and_union(p_hwfn, p_ptt, &mb_params);
1205	if (rc) {
1206		DP_NOTICE(p_hwfn, "Failed to pass ACK for VF flr to MFW\n");
1207		return -EBUSY;
1208	}
1209
1210	/* Clear the ACK bits */
1211	for (i = 0; i < (VF_MAX_STATIC / 32); i++)
1212		qed_wr(p_hwfn, p_ptt,
1213		       func_addr +
1214		       offsetof(struct public_func, drv_ack_vf_disabled) +
1215		       i * sizeof(u32), 0);
1216
1217	return rc;
1218}
1219
1220static void qed_mcp_handle_transceiver_change(struct qed_hwfn *p_hwfn,
1221					      struct qed_ptt *p_ptt)
1222{
1223	u32 transceiver_state;
1224
1225	transceiver_state = qed_rd(p_hwfn, p_ptt,
1226				   p_hwfn->mcp_info->port_addr +
1227				   offsetof(struct public_port,
1228					    transceiver_data));
1229
1230	DP_VERBOSE(p_hwfn,
1231		   (NETIF_MSG_HW | QED_MSG_SP),
1232		   "Received transceiver state update [0x%08x] from mfw [Addr 0x%x]\n",
1233		   transceiver_state,
1234		   (u32)(p_hwfn->mcp_info->port_addr +
1235			  offsetof(struct public_port, transceiver_data)));
1236
1237	transceiver_state = GET_FIELD(transceiver_state,
1238				      ETH_TRANSCEIVER_STATE);
1239
1240	if (transceiver_state == ETH_TRANSCEIVER_STATE_PRESENT)
1241		DP_NOTICE(p_hwfn, "Transceiver is present.\n");
1242	else
1243		DP_NOTICE(p_hwfn, "Transceiver is unplugged.\n");
1244}
1245
1246static void qed_mcp_read_eee_config(struct qed_hwfn *p_hwfn,
1247				    struct qed_ptt *p_ptt,
1248				    struct qed_mcp_link_state *p_link)
1249{
1250	u32 eee_status, val;
1251
1252	p_link->eee_adv_caps = 0;
1253	p_link->eee_lp_adv_caps = 0;
1254	eee_status = qed_rd(p_hwfn,
1255			    p_ptt,
1256			    p_hwfn->mcp_info->port_addr +
1257			    offsetof(struct public_port, eee_status));
1258	p_link->eee_active = !!(eee_status & EEE_ACTIVE_BIT);
1259	val = (eee_status & EEE_LD_ADV_STATUS_MASK) >> EEE_LD_ADV_STATUS_OFFSET;
1260	if (val & EEE_1G_ADV)
1261		p_link->eee_adv_caps |= QED_EEE_1G_ADV;
1262	if (val & EEE_10G_ADV)
1263		p_link->eee_adv_caps |= QED_EEE_10G_ADV;
1264	val = (eee_status & EEE_LP_ADV_STATUS_MASK) >> EEE_LP_ADV_STATUS_OFFSET;
1265	if (val & EEE_1G_ADV)
1266		p_link->eee_lp_adv_caps |= QED_EEE_1G_ADV;
1267	if (val & EEE_10G_ADV)
1268		p_link->eee_lp_adv_caps |= QED_EEE_10G_ADV;
1269}
1270
1271static u32 qed_mcp_get_shmem_func(struct qed_hwfn *p_hwfn,
1272				  struct qed_ptt *p_ptt,
1273				  struct public_func *p_data, int pfid)
1274{
1275	u32 addr = SECTION_OFFSIZE_ADDR(p_hwfn->mcp_info->public_base,
1276					PUBLIC_FUNC);
1277	u32 mfw_path_offsize = qed_rd(p_hwfn, p_ptt, addr);
1278	u32 func_addr;
1279	u32 i, size;
1280
1281	func_addr = SECTION_ADDR(mfw_path_offsize, pfid);
1282	memset(p_data, 0, sizeof(*p_data));
1283
1284	size = min_t(u32, sizeof(*p_data), QED_SECTION_SIZE(mfw_path_offsize));
1285	for (i = 0; i < size / sizeof(u32); i++)
1286		((u32 *)p_data)[i] = qed_rd(p_hwfn, p_ptt,
1287					    func_addr + (i << 2));
1288	return size;
1289}
1290
1291static void qed_read_pf_bandwidth(struct qed_hwfn *p_hwfn,
1292				  struct public_func *p_shmem_info)
1293{
1294	struct qed_mcp_function_info *p_info;
1295
1296	p_info = &p_hwfn->mcp_info->func_info;
1297
1298	p_info->bandwidth_min = QED_MFW_GET_FIELD(p_shmem_info->config,
1299						  FUNC_MF_CFG_MIN_BW);
1300	if (p_info->bandwidth_min < 1 || p_info->bandwidth_min > 100) {
1301		DP_INFO(p_hwfn,
1302			"bandwidth minimum out of bounds [%02x]. Set to 1\n",
1303			p_info->bandwidth_min);
1304		p_info->bandwidth_min = 1;
1305	}
1306
1307	p_info->bandwidth_max = QED_MFW_GET_FIELD(p_shmem_info->config,
1308						  FUNC_MF_CFG_MAX_BW);
1309	if (p_info->bandwidth_max < 1 || p_info->bandwidth_max > 100) {
1310		DP_INFO(p_hwfn,
1311			"bandwidth maximum out of bounds [%02x]. Set to 100\n",
1312			p_info->bandwidth_max);
1313		p_info->bandwidth_max = 100;
1314	}
1315}
1316
1317static void qed_mcp_handle_link_change(struct qed_hwfn *p_hwfn,
1318				       struct qed_ptt *p_ptt, bool b_reset)
1319{
1320	struct qed_mcp_link_state *p_link;
1321	u8 max_bw, min_bw;
1322	u32 status = 0;
1323
1324	/* Prevent SW/attentions from doing this at the same time */
1325	spin_lock_bh(&p_hwfn->mcp_info->link_lock);
1326
1327	p_link = &p_hwfn->mcp_info->link_output;
1328	memset(p_link, 0, sizeof(*p_link));
1329	if (!b_reset) {
1330		status = qed_rd(p_hwfn, p_ptt,
1331				p_hwfn->mcp_info->port_addr +
1332				offsetof(struct public_port, link_status));
1333		DP_VERBOSE(p_hwfn, (NETIF_MSG_LINK | QED_MSG_SP),
1334			   "Received link update [0x%08x] from mfw [Addr 0x%x]\n",
1335			   status,
1336			   (u32)(p_hwfn->mcp_info->port_addr +
1337				 offsetof(struct public_port, link_status)));
1338	} else {
1339		DP_VERBOSE(p_hwfn, NETIF_MSG_LINK,
1340			   "Resetting link indications\n");
1341		goto out;
1342	}
1343
1344	if (p_hwfn->b_drv_link_init) {
1345		/* Link indication with modern MFW arrives as per-PF
1346		 * indication.
1347		 */
1348		if (p_hwfn->mcp_info->capabilities &
1349		    FW_MB_PARAM_FEATURE_SUPPORT_VLINK) {
1350			struct public_func shmem_info;
1351
1352			qed_mcp_get_shmem_func(p_hwfn, p_ptt, &shmem_info,
1353					       MCP_PF_ID(p_hwfn));
1354			p_link->link_up = !!(shmem_info.status &
1355					     FUNC_STATUS_VIRTUAL_LINK_UP);
1356			qed_read_pf_bandwidth(p_hwfn, &shmem_info);
1357			DP_VERBOSE(p_hwfn, NETIF_MSG_LINK,
1358				   "Virtual link_up = %d\n", p_link->link_up);
1359		} else {
1360			p_link->link_up = !!(status & LINK_STATUS_LINK_UP);
1361			DP_VERBOSE(p_hwfn, NETIF_MSG_LINK,
1362				   "Physical link_up = %d\n", p_link->link_up);
1363		}
1364	} else {
1365		p_link->link_up = false;
1366	}
1367
1368	p_link->full_duplex = true;
1369	switch ((status & LINK_STATUS_SPEED_AND_DUPLEX_MASK)) {
1370	case LINK_STATUS_SPEED_AND_DUPLEX_100G:
1371		p_link->speed = 100000;
1372		break;
1373	case LINK_STATUS_SPEED_AND_DUPLEX_50G:
1374		p_link->speed = 50000;
1375		break;
1376	case LINK_STATUS_SPEED_AND_DUPLEX_40G:
1377		p_link->speed = 40000;
1378		break;
1379	case LINK_STATUS_SPEED_AND_DUPLEX_25G:
1380		p_link->speed = 25000;
1381		break;
1382	case LINK_STATUS_SPEED_AND_DUPLEX_20G:
1383		p_link->speed = 20000;
1384		break;
1385	case LINK_STATUS_SPEED_AND_DUPLEX_10G:
1386		p_link->speed = 10000;
1387		break;
1388	case LINK_STATUS_SPEED_AND_DUPLEX_1000THD:
1389		p_link->full_duplex = false;
1390	/* Fall-through */
1391	case LINK_STATUS_SPEED_AND_DUPLEX_1000TFD:
1392		p_link->speed = 1000;
1393		break;
1394	default:
1395		p_link->speed = 0;
1396		p_link->link_up = 0;
1397	}
1398
1399	if (p_link->link_up && p_link->speed)
1400		p_link->line_speed = p_link->speed;
1401	else
1402		p_link->line_speed = 0;
1403
1404	max_bw = p_hwfn->mcp_info->func_info.bandwidth_max;
1405	min_bw = p_hwfn->mcp_info->func_info.bandwidth_min;
1406
1407	/* Max bandwidth configuration */
1408	__qed_configure_pf_max_bandwidth(p_hwfn, p_ptt, p_link, max_bw);
1409
1410	/* Min bandwidth configuration */
1411	__qed_configure_pf_min_bandwidth(p_hwfn, p_ptt, p_link, min_bw);
1412	qed_configure_vp_wfq_on_link_change(p_hwfn->cdev, p_ptt,
1413					    p_link->min_pf_rate);
1414
1415	p_link->an = !!(status & LINK_STATUS_AUTO_NEGOTIATE_ENABLED);
1416	p_link->an_complete = !!(status &
1417				 LINK_STATUS_AUTO_NEGOTIATE_COMPLETE);
1418	p_link->parallel_detection = !!(status &
1419					LINK_STATUS_PARALLEL_DETECTION_USED);
1420	p_link->pfc_enabled = !!(status & LINK_STATUS_PFC_ENABLED);
1421
1422	p_link->partner_adv_speed |=
1423		(status & LINK_STATUS_LINK_PARTNER_1000TFD_CAPABLE) ?
1424		QED_LINK_PARTNER_SPEED_1G_FD : 0;
1425	p_link->partner_adv_speed |=
1426		(status & LINK_STATUS_LINK_PARTNER_1000THD_CAPABLE) ?
1427		QED_LINK_PARTNER_SPEED_1G_HD : 0;
1428	p_link->partner_adv_speed |=
1429		(status & LINK_STATUS_LINK_PARTNER_10G_CAPABLE) ?
1430		QED_LINK_PARTNER_SPEED_10G : 0;
1431	p_link->partner_adv_speed |=
1432		(status & LINK_STATUS_LINK_PARTNER_20G_CAPABLE) ?
1433		QED_LINK_PARTNER_SPEED_20G : 0;
1434	p_link->partner_adv_speed |=
1435		(status & LINK_STATUS_LINK_PARTNER_25G_CAPABLE) ?
1436		QED_LINK_PARTNER_SPEED_25G : 0;
1437	p_link->partner_adv_speed |=
1438		(status & LINK_STATUS_LINK_PARTNER_40G_CAPABLE) ?
1439		QED_LINK_PARTNER_SPEED_40G : 0;
1440	p_link->partner_adv_speed |=
1441		(status & LINK_STATUS_LINK_PARTNER_50G_CAPABLE) ?
1442		QED_LINK_PARTNER_SPEED_50G : 0;
1443	p_link->partner_adv_speed |=
1444		(status & LINK_STATUS_LINK_PARTNER_100G_CAPABLE) ?
1445		QED_LINK_PARTNER_SPEED_100G : 0;
1446
1447	p_link->partner_tx_flow_ctrl_en =
1448		!!(status & LINK_STATUS_TX_FLOW_CONTROL_ENABLED);
1449	p_link->partner_rx_flow_ctrl_en =
1450		!!(status & LINK_STATUS_RX_FLOW_CONTROL_ENABLED);
1451
1452	switch (status & LINK_STATUS_LINK_PARTNER_FLOW_CONTROL_MASK) {
1453	case LINK_STATUS_LINK_PARTNER_SYMMETRIC_PAUSE:
1454		p_link->partner_adv_pause = QED_LINK_PARTNER_SYMMETRIC_PAUSE;
1455		break;
1456	case LINK_STATUS_LINK_PARTNER_ASYMMETRIC_PAUSE:
1457		p_link->partner_adv_pause = QED_LINK_PARTNER_ASYMMETRIC_PAUSE;
1458		break;
1459	case LINK_STATUS_LINK_PARTNER_BOTH_PAUSE:
1460		p_link->partner_adv_pause = QED_LINK_PARTNER_BOTH_PAUSE;
1461		break;
1462	default:
1463		p_link->partner_adv_pause = 0;
1464	}
1465
1466	p_link->sfp_tx_fault = !!(status & LINK_STATUS_SFP_TX_FAULT);
1467
1468	if (p_hwfn->mcp_info->capabilities & FW_MB_PARAM_FEATURE_SUPPORT_EEE)
1469		qed_mcp_read_eee_config(p_hwfn, p_ptt, p_link);
1470
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
1471	qed_link_update(p_hwfn, p_ptt);
1472out:
1473	spin_unlock_bh(&p_hwfn->mcp_info->link_lock);
1474}
1475
1476int qed_mcp_set_link(struct qed_hwfn *p_hwfn, struct qed_ptt *p_ptt, bool b_up)
1477{
1478	struct qed_mcp_link_params *params = &p_hwfn->mcp_info->link_input;
1479	struct qed_mcp_mb_params mb_params;
1480	struct eth_phy_cfg phy_cfg;
 
 
1481	int rc = 0;
1482	u32 cmd;
1483
1484	/* Set the shmem configuration according to params */
1485	memset(&phy_cfg, 0, sizeof(phy_cfg));
1486	cmd = b_up ? DRV_MSG_CODE_INIT_PHY : DRV_MSG_CODE_LINK_RESET;
1487	if (!params->speed.autoneg)
1488		phy_cfg.speed = params->speed.forced_speed;
1489	phy_cfg.pause |= (params->pause.autoneg) ? ETH_PAUSE_AUTONEG : 0;
1490	phy_cfg.pause |= (params->pause.forced_rx) ? ETH_PAUSE_RX : 0;
1491	phy_cfg.pause |= (params->pause.forced_tx) ? ETH_PAUSE_TX : 0;
1492	phy_cfg.adv_speed = params->speed.advertised_speeds;
1493	phy_cfg.loopback_mode = params->loopback_mode;
1494
1495	/* There are MFWs that share this capability regardless of whether
1496	 * this is feasible or not. And given that at the very least adv_caps
1497	 * would be set internally by qed, we want to make sure LFA would
1498	 * still work.
1499	 */
1500	if ((p_hwfn->mcp_info->capabilities &
1501	     FW_MB_PARAM_FEATURE_SUPPORT_EEE) && params->eee.enable) {
1502		phy_cfg.eee_cfg |= EEE_CFG_EEE_ENABLED;
1503		if (params->eee.tx_lpi_enable)
1504			phy_cfg.eee_cfg |= EEE_CFG_TX_LPI;
1505		if (params->eee.adv_caps & QED_EEE_1G_ADV)
1506			phy_cfg.eee_cfg |= EEE_CFG_ADV_SPEED_1G;
1507		if (params->eee.adv_caps & QED_EEE_10G_ADV)
1508			phy_cfg.eee_cfg |= EEE_CFG_ADV_SPEED_10G;
1509		phy_cfg.eee_cfg |= (params->eee.tx_lpi_timer <<
1510				    EEE_TX_TIMER_USEC_OFFSET) &
1511				   EEE_TX_TIMER_USEC_MASK;
1512	}
1513
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
1514	p_hwfn->b_drv_link_init = b_up;
1515
1516	if (b_up) {
1517		DP_VERBOSE(p_hwfn, NETIF_MSG_LINK,
1518			   "Configuring Link: Speed 0x%08x, Pause 0x%08x, adv_speed 0x%08x, loopback 0x%08x, features 0x%08x\n",
1519			   phy_cfg.speed,
1520			   phy_cfg.pause,
1521			   phy_cfg.adv_speed,
1522			   phy_cfg.loopback_mode,
1523			   phy_cfg.feature_config_flags);
1524	} else {
1525		DP_VERBOSE(p_hwfn, NETIF_MSG_LINK,
1526			   "Resetting link\n");
1527	}
1528
1529	memset(&mb_params, 0, sizeof(mb_params));
1530	mb_params.cmd = cmd;
1531	mb_params.p_data_src = &phy_cfg;
1532	mb_params.data_src_size = sizeof(phy_cfg);
1533	rc = qed_mcp_cmd_and_union(p_hwfn, p_ptt, &mb_params);
1534
1535	/* if mcp fails to respond we must abort */
1536	if (rc) {
1537		DP_ERR(p_hwfn, "MCP response failure, aborting\n");
1538		return rc;
1539	}
1540
1541	/* Mimic link-change attention, done for several reasons:
1542	 *  - On reset, there's no guarantee MFW would trigger
1543	 *    an attention.
1544	 *  - On initialization, older MFWs might not indicate link change
1545	 *    during LFA, so we'll never get an UP indication.
1546	 */
1547	qed_mcp_handle_link_change(p_hwfn, p_ptt, !b_up);
1548
1549	return 0;
1550}
1551
1552u32 qed_get_process_kill_counter(struct qed_hwfn *p_hwfn,
1553				 struct qed_ptt *p_ptt)
1554{
1555	u32 path_offsize_addr, path_offsize, path_addr, proc_kill_cnt;
1556
1557	if (IS_VF(p_hwfn->cdev))
1558		return -EINVAL;
1559
1560	path_offsize_addr = SECTION_OFFSIZE_ADDR(p_hwfn->mcp_info->public_base,
1561						 PUBLIC_PATH);
1562	path_offsize = qed_rd(p_hwfn, p_ptt, path_offsize_addr);
1563	path_addr = SECTION_ADDR(path_offsize, QED_PATH_ID(p_hwfn));
1564
1565	proc_kill_cnt = qed_rd(p_hwfn, p_ptt,
1566			       path_addr +
1567			       offsetof(struct public_path, process_kill)) &
1568			PROCESS_KILL_COUNTER_MASK;
1569
1570	return proc_kill_cnt;
1571}
1572
1573static void qed_mcp_handle_process_kill(struct qed_hwfn *p_hwfn,
1574					struct qed_ptt *p_ptt)
1575{
1576	struct qed_dev *cdev = p_hwfn->cdev;
1577	u32 proc_kill_cnt;
1578
1579	/* Prevent possible attentions/interrupts during the recovery handling
1580	 * and till its load phase, during which they will be re-enabled.
1581	 */
1582	qed_int_igu_disable_int(p_hwfn, p_ptt);
1583
1584	DP_NOTICE(p_hwfn, "Received a process kill indication\n");
1585
1586	/* The following operations should be done once, and thus in CMT mode
1587	 * are carried out by only the first HW function.
1588	 */
1589	if (p_hwfn != QED_LEADING_HWFN(cdev))
1590		return;
1591
1592	if (cdev->recov_in_prog) {
1593		DP_NOTICE(p_hwfn,
1594			  "Ignoring the indication since a recovery process is already in progress\n");
1595		return;
1596	}
1597
1598	cdev->recov_in_prog = true;
1599
1600	proc_kill_cnt = qed_get_process_kill_counter(p_hwfn, p_ptt);
1601	DP_NOTICE(p_hwfn, "Process kill counter: %d\n", proc_kill_cnt);
1602
1603	qed_schedule_recovery_handler(p_hwfn);
1604}
1605
1606static void qed_mcp_send_protocol_stats(struct qed_hwfn *p_hwfn,
1607					struct qed_ptt *p_ptt,
1608					enum MFW_DRV_MSG_TYPE type)
1609{
1610	enum qed_mcp_protocol_type stats_type;
1611	union qed_mcp_protocol_stats stats;
1612	struct qed_mcp_mb_params mb_params;
1613	u32 hsi_param;
1614
1615	switch (type) {
1616	case MFW_DRV_MSG_GET_LAN_STATS:
1617		stats_type = QED_MCP_LAN_STATS;
1618		hsi_param = DRV_MSG_CODE_STATS_TYPE_LAN;
1619		break;
1620	case MFW_DRV_MSG_GET_FCOE_STATS:
1621		stats_type = QED_MCP_FCOE_STATS;
1622		hsi_param = DRV_MSG_CODE_STATS_TYPE_FCOE;
1623		break;
1624	case MFW_DRV_MSG_GET_ISCSI_STATS:
1625		stats_type = QED_MCP_ISCSI_STATS;
1626		hsi_param = DRV_MSG_CODE_STATS_TYPE_ISCSI;
1627		break;
1628	case MFW_DRV_MSG_GET_RDMA_STATS:
1629		stats_type = QED_MCP_RDMA_STATS;
1630		hsi_param = DRV_MSG_CODE_STATS_TYPE_RDMA;
1631		break;
1632	default:
1633		DP_NOTICE(p_hwfn, "Invalid protocol type %d\n", type);
1634		return;
1635	}
1636
1637	qed_get_protocol_stats(p_hwfn->cdev, stats_type, &stats);
1638
1639	memset(&mb_params, 0, sizeof(mb_params));
1640	mb_params.cmd = DRV_MSG_CODE_GET_STATS;
1641	mb_params.param = hsi_param;
1642	mb_params.p_data_src = &stats;
1643	mb_params.data_src_size = sizeof(stats);
1644	qed_mcp_cmd_and_union(p_hwfn, p_ptt, &mb_params);
1645}
1646
1647static void qed_mcp_update_bw(struct qed_hwfn *p_hwfn, struct qed_ptt *p_ptt)
1648{
1649	struct qed_mcp_function_info *p_info;
1650	struct public_func shmem_info;
1651	u32 resp = 0, param = 0;
1652
1653	qed_mcp_get_shmem_func(p_hwfn, p_ptt, &shmem_info, MCP_PF_ID(p_hwfn));
1654
1655	qed_read_pf_bandwidth(p_hwfn, &shmem_info);
1656
1657	p_info = &p_hwfn->mcp_info->func_info;
1658
1659	qed_configure_pf_min_bandwidth(p_hwfn->cdev, p_info->bandwidth_min);
1660	qed_configure_pf_max_bandwidth(p_hwfn->cdev, p_info->bandwidth_max);
1661
1662	/* Acknowledge the MFW */
1663	qed_mcp_cmd(p_hwfn, p_ptt, DRV_MSG_CODE_BW_UPDATE_ACK, 0, &resp,
1664		    &param);
1665}
1666
1667static void qed_mcp_update_stag(struct qed_hwfn *p_hwfn, struct qed_ptt *p_ptt)
1668{
1669	struct public_func shmem_info;
1670	u32 resp = 0, param = 0;
1671
1672	qed_mcp_get_shmem_func(p_hwfn, p_ptt, &shmem_info, MCP_PF_ID(p_hwfn));
1673
1674	p_hwfn->mcp_info->func_info.ovlan = (u16)shmem_info.ovlan_stag &
1675						 FUNC_MF_CFG_OV_STAG_MASK;
1676	p_hwfn->hw_info.ovlan = p_hwfn->mcp_info->func_info.ovlan;
1677	if (test_bit(QED_MF_OVLAN_CLSS, &p_hwfn->cdev->mf_bits)) {
1678		if (p_hwfn->hw_info.ovlan != QED_MCP_VLAN_UNSET) {
1679			qed_wr(p_hwfn, p_ptt, NIG_REG_LLH_FUNC_TAG_VALUE,
1680			       p_hwfn->hw_info.ovlan);
1681			qed_wr(p_hwfn, p_ptt, NIG_REG_LLH_FUNC_TAG_EN, 1);
1682
1683			/* Configure DB to add external vlan to EDPM packets */
1684			qed_wr(p_hwfn, p_ptt, DORQ_REG_TAG1_OVRD_MODE, 1);
1685			qed_wr(p_hwfn, p_ptt, DORQ_REG_PF_EXT_VID_BB_K2,
1686			       p_hwfn->hw_info.ovlan);
1687		} else {
1688			qed_wr(p_hwfn, p_ptt, NIG_REG_LLH_FUNC_TAG_EN, 0);
1689			qed_wr(p_hwfn, p_ptt, NIG_REG_LLH_FUNC_TAG_VALUE, 0);
1690			qed_wr(p_hwfn, p_ptt, DORQ_REG_TAG1_OVRD_MODE, 0);
1691			qed_wr(p_hwfn, p_ptt, DORQ_REG_PF_EXT_VID_BB_K2, 0);
1692		}
1693
1694		qed_sp_pf_update_stag(p_hwfn);
1695	}
1696
1697	DP_VERBOSE(p_hwfn, QED_MSG_SP, "ovlan = %d hw_mode = 0x%x\n",
1698		   p_hwfn->mcp_info->func_info.ovlan, p_hwfn->hw_info.hw_mode);
1699
1700	/* Acknowledge the MFW */
1701	qed_mcp_cmd(p_hwfn, p_ptt, DRV_MSG_CODE_S_TAG_UPDATE_ACK, 0,
1702		    &resp, &param);
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
1703}
1704
1705void qed_mcp_read_ufp_config(struct qed_hwfn *p_hwfn, struct qed_ptt *p_ptt)
1706{
1707	struct public_func shmem_info;
1708	u32 port_cfg, val;
1709
1710	if (!test_bit(QED_MF_UFP_SPECIFIC, &p_hwfn->cdev->mf_bits))
1711		return;
1712
1713	memset(&p_hwfn->ufp_info, 0, sizeof(p_hwfn->ufp_info));
1714	port_cfg = qed_rd(p_hwfn, p_ptt, p_hwfn->mcp_info->port_addr +
1715			  offsetof(struct public_port, oem_cfg_port));
1716	val = (port_cfg & OEM_CFG_CHANNEL_TYPE_MASK) >>
1717		OEM_CFG_CHANNEL_TYPE_OFFSET;
1718	if (val != OEM_CFG_CHANNEL_TYPE_STAGGED)
1719		DP_NOTICE(p_hwfn,
1720			  "Incorrect UFP Channel type  %d port_id 0x%02x\n",
1721			  val, MFW_PORT(p_hwfn));
1722
1723	val = (port_cfg & OEM_CFG_SCHED_TYPE_MASK) >> OEM_CFG_SCHED_TYPE_OFFSET;
1724	if (val == OEM_CFG_SCHED_TYPE_ETS) {
1725		p_hwfn->ufp_info.mode = QED_UFP_MODE_ETS;
1726	} else if (val == OEM_CFG_SCHED_TYPE_VNIC_BW) {
1727		p_hwfn->ufp_info.mode = QED_UFP_MODE_VNIC_BW;
1728	} else {
1729		p_hwfn->ufp_info.mode = QED_UFP_MODE_UNKNOWN;
1730		DP_NOTICE(p_hwfn,
1731			  "Unknown UFP scheduling mode %d port_id 0x%02x\n",
1732			  val, MFW_PORT(p_hwfn));
1733	}
1734
1735	qed_mcp_get_shmem_func(p_hwfn, p_ptt, &shmem_info, MCP_PF_ID(p_hwfn));
1736	val = (shmem_info.oem_cfg_func & OEM_CFG_FUNC_TC_MASK) >>
1737		OEM_CFG_FUNC_TC_OFFSET;
1738	p_hwfn->ufp_info.tc = (u8)val;
1739	val = (shmem_info.oem_cfg_func & OEM_CFG_FUNC_HOST_PRI_CTRL_MASK) >>
1740		OEM_CFG_FUNC_HOST_PRI_CTRL_OFFSET;
1741	if (val == OEM_CFG_FUNC_HOST_PRI_CTRL_VNIC) {
1742		p_hwfn->ufp_info.pri_type = QED_UFP_PRI_VNIC;
1743	} else if (val == OEM_CFG_FUNC_HOST_PRI_CTRL_OS) {
1744		p_hwfn->ufp_info.pri_type = QED_UFP_PRI_OS;
1745	} else {
1746		p_hwfn->ufp_info.pri_type = QED_UFP_PRI_UNKNOWN;
1747		DP_NOTICE(p_hwfn,
1748			  "Unknown Host priority control %d port_id 0x%02x\n",
1749			  val, MFW_PORT(p_hwfn));
1750	}
1751
1752	DP_NOTICE(p_hwfn,
1753		  "UFP shmem config: mode = %d tc = %d pri_type = %d port_id 0x%02x\n",
1754		  p_hwfn->ufp_info.mode, p_hwfn->ufp_info.tc,
1755		  p_hwfn->ufp_info.pri_type, MFW_PORT(p_hwfn));
1756}
1757
1758static int
1759qed_mcp_handle_ufp_event(struct qed_hwfn *p_hwfn, struct qed_ptt *p_ptt)
1760{
1761	qed_mcp_read_ufp_config(p_hwfn, p_ptt);
1762
1763	if (p_hwfn->ufp_info.mode == QED_UFP_MODE_VNIC_BW) {
1764		p_hwfn->qm_info.ooo_tc = p_hwfn->ufp_info.tc;
1765		qed_hw_info_set_offload_tc(&p_hwfn->hw_info,
1766					   p_hwfn->ufp_info.tc);
1767
1768		qed_qm_reconf(p_hwfn, p_ptt);
1769	} else if (p_hwfn->ufp_info.mode == QED_UFP_MODE_ETS) {
1770		/* Merge UFP TC with the dcbx TC data */
1771		qed_dcbx_mib_update_event(p_hwfn, p_ptt,
1772					  QED_DCBX_OPERATIONAL_MIB);
1773	} else {
1774		DP_ERR(p_hwfn, "Invalid sched type, discard the UFP config\n");
1775		return -EINVAL;
1776	}
1777
1778	/* update storm FW with negotiation results */
1779	qed_sp_pf_update_ufp(p_hwfn);
1780
1781	/* update stag pcp value */
1782	qed_sp_pf_update_stag(p_hwfn);
1783
1784	return 0;
1785}
1786
1787int qed_mcp_handle_events(struct qed_hwfn *p_hwfn,
1788			  struct qed_ptt *p_ptt)
1789{
1790	struct qed_mcp_info *info = p_hwfn->mcp_info;
1791	int rc = 0;
1792	bool found = false;
1793	u16 i;
1794
1795	DP_VERBOSE(p_hwfn, QED_MSG_SP, "Received message from MFW\n");
1796
1797	/* Read Messages from MFW */
1798	qed_mcp_read_mb(p_hwfn, p_ptt);
1799
1800	/* Compare current messages to old ones */
1801	for (i = 0; i < info->mfw_mb_length; i++) {
1802		if (info->mfw_mb_cur[i] == info->mfw_mb_shadow[i])
1803			continue;
1804
1805		found = true;
1806
1807		DP_VERBOSE(p_hwfn, NETIF_MSG_LINK,
1808			   "Msg [%d] - old CMD 0x%02x, new CMD 0x%02x\n",
1809			   i, info->mfw_mb_shadow[i], info->mfw_mb_cur[i]);
1810
 
 
 
 
 
 
 
 
 
 
 
 
 
1811		switch (i) {
1812		case MFW_DRV_MSG_LINK_CHANGE:
1813			qed_mcp_handle_link_change(p_hwfn, p_ptt, false);
1814			break;
1815		case MFW_DRV_MSG_VF_DISABLED:
1816			qed_mcp_handle_vf_flr(p_hwfn, p_ptt);
1817			break;
1818		case MFW_DRV_MSG_LLDP_DATA_UPDATED:
1819			qed_dcbx_mib_update_event(p_hwfn, p_ptt,
1820						  QED_DCBX_REMOTE_LLDP_MIB);
1821			break;
1822		case MFW_DRV_MSG_DCBX_REMOTE_MIB_UPDATED:
1823			qed_dcbx_mib_update_event(p_hwfn, p_ptt,
1824						  QED_DCBX_REMOTE_MIB);
1825			break;
1826		case MFW_DRV_MSG_DCBX_OPERATIONAL_MIB_UPDATED:
1827			qed_dcbx_mib_update_event(p_hwfn, p_ptt,
1828						  QED_DCBX_OPERATIONAL_MIB);
1829			break;
1830		case MFW_DRV_MSG_OEM_CFG_UPDATE:
1831			qed_mcp_handle_ufp_event(p_hwfn, p_ptt);
1832			break;
1833		case MFW_DRV_MSG_TRANSCEIVER_STATE_CHANGE:
1834			qed_mcp_handle_transceiver_change(p_hwfn, p_ptt);
1835			break;
1836		case MFW_DRV_MSG_ERROR_RECOVERY:
1837			qed_mcp_handle_process_kill(p_hwfn, p_ptt);
1838			break;
1839		case MFW_DRV_MSG_GET_LAN_STATS:
1840		case MFW_DRV_MSG_GET_FCOE_STATS:
1841		case MFW_DRV_MSG_GET_ISCSI_STATS:
1842		case MFW_DRV_MSG_GET_RDMA_STATS:
1843			qed_mcp_send_protocol_stats(p_hwfn, p_ptt, i);
1844			break;
1845		case MFW_DRV_MSG_BW_UPDATE:
1846			qed_mcp_update_bw(p_hwfn, p_ptt);
1847			break;
1848		case MFW_DRV_MSG_S_TAG_UPDATE:
1849			qed_mcp_update_stag(p_hwfn, p_ptt);
1850			break;
 
 
 
 
 
 
1851		case MFW_DRV_MSG_GET_TLV_REQ:
1852			qed_mfw_tlv_req(p_hwfn);
1853			break;
1854		default:
1855			DP_INFO(p_hwfn, "Unimplemented MFW message %d\n", i);
1856			rc = -EINVAL;
1857		}
 
 
 
1858	}
1859
1860	/* ACK everything */
1861	for (i = 0; i < MFW_DRV_MSG_MAX_DWORDS(info->mfw_mb_length); i++) {
1862		__be32 val = cpu_to_be32(((u32 *)info->mfw_mb_cur)[i]);
1863
1864		/* MFW expect answer in BE, so we force write in that format */
1865		qed_wr(p_hwfn, p_ptt,
1866		       info->mfw_mb_addr + sizeof(u32) +
1867		       MFW_DRV_MSG_MAX_DWORDS(info->mfw_mb_length) *
1868		       sizeof(u32) + i * sizeof(u32),
1869		       (__force u32)val);
1870	}
1871
1872	if (!found) {
1873		DP_NOTICE(p_hwfn,
1874			  "Received an MFW message indication but no new message!\n");
1875		rc = -EINVAL;
1876	}
1877
1878	/* Copy the new mfw messages into the shadow */
1879	memcpy(info->mfw_mb_shadow, info->mfw_mb_cur, info->mfw_mb_length);
1880
1881	return rc;
1882}
1883
1884int qed_mcp_get_mfw_ver(struct qed_hwfn *p_hwfn,
1885			struct qed_ptt *p_ptt,
1886			u32 *p_mfw_ver, u32 *p_running_bundle_id)
1887{
1888	u32 global_offsize;
1889
1890	if (IS_VF(p_hwfn->cdev)) {
1891		if (p_hwfn->vf_iov_info) {
1892			struct pfvf_acquire_resp_tlv *p_resp;
1893
1894			p_resp = &p_hwfn->vf_iov_info->acquire_resp;
1895			*p_mfw_ver = p_resp->pfdev_info.mfw_ver;
1896			return 0;
1897		} else {
1898			DP_VERBOSE(p_hwfn,
1899				   QED_MSG_IOV,
1900				   "VF requested MFW version prior to ACQUIRE\n");
1901			return -EINVAL;
1902		}
1903	}
1904
 
1905	global_offsize = qed_rd(p_hwfn, p_ptt,
1906				SECTION_OFFSIZE_ADDR(p_hwfn->
1907						     mcp_info->public_base,
1908						     PUBLIC_GLOBAL));
1909	*p_mfw_ver =
1910	    qed_rd(p_hwfn, p_ptt,
1911		   SECTION_ADDR(global_offsize,
1912				0) + offsetof(struct public_global, mfw_ver));
1913
1914	if (p_running_bundle_id != NULL) {
1915		*p_running_bundle_id = qed_rd(p_hwfn, p_ptt,
1916					      SECTION_ADDR(global_offsize, 0) +
1917					      offsetof(struct public_global,
1918						       running_bundle_id));
1919	}
1920
1921	return 0;
1922}
1923
1924int qed_mcp_get_mbi_ver(struct qed_hwfn *p_hwfn,
1925			struct qed_ptt *p_ptt, u32 *p_mbi_ver)
1926{
1927	u32 nvm_cfg_addr, nvm_cfg1_offset, mbi_ver_addr;
1928
1929	if (IS_VF(p_hwfn->cdev))
1930		return -EINVAL;
1931
1932	/* Read the address of the nvm_cfg */
1933	nvm_cfg_addr = qed_rd(p_hwfn, p_ptt, MISC_REG_GEN_PURP_CR0);
1934	if (!nvm_cfg_addr) {
1935		DP_NOTICE(p_hwfn, "Shared memory not initialized\n");
1936		return -EINVAL;
1937	}
1938
1939	/* Read the offset of nvm_cfg1 */
1940	nvm_cfg1_offset = qed_rd(p_hwfn, p_ptt, nvm_cfg_addr + 4);
1941
1942	mbi_ver_addr = MCP_REG_SCRATCH + nvm_cfg1_offset +
1943		       offsetof(struct nvm_cfg1, glob) +
1944		       offsetof(struct nvm_cfg1_glob, mbi_version);
1945	*p_mbi_ver = qed_rd(p_hwfn, p_ptt,
1946			    mbi_ver_addr) &
1947		     (NVM_CFG1_GLOB_MBI_VERSION_0_MASK |
1948		      NVM_CFG1_GLOB_MBI_VERSION_1_MASK |
1949		      NVM_CFG1_GLOB_MBI_VERSION_2_MASK);
1950
1951	return 0;
1952}
1953
1954int qed_mcp_get_media_type(struct qed_hwfn *p_hwfn,
1955			   struct qed_ptt *p_ptt, u32 *p_media_type)
1956{
1957	*p_media_type = MEDIA_UNSPECIFIED;
1958
1959	if (IS_VF(p_hwfn->cdev))
1960		return -EINVAL;
1961
1962	if (!qed_mcp_is_init(p_hwfn)) {
1963		DP_NOTICE(p_hwfn, "MFW is not initialized!\n");
1964		return -EBUSY;
1965	}
1966
1967	if (!p_ptt) {
1968		*p_media_type = MEDIA_UNSPECIFIED;
1969		return -EINVAL;
1970	}
1971
1972	*p_media_type = qed_rd(p_hwfn, p_ptt,
1973			       p_hwfn->mcp_info->port_addr +
1974			       offsetof(struct public_port,
1975					media_type));
1976
1977	return 0;
1978}
1979
1980int qed_mcp_get_transceiver_data(struct qed_hwfn *p_hwfn,
1981				 struct qed_ptt *p_ptt,
1982				 u32 *p_transceiver_state,
1983				 u32 *p_transceiver_type)
1984{
1985	u32 transceiver_info;
1986
1987	*p_transceiver_type = ETH_TRANSCEIVER_TYPE_NONE;
1988	*p_transceiver_state = ETH_TRANSCEIVER_STATE_UPDATING;
1989
1990	if (IS_VF(p_hwfn->cdev))
1991		return -EINVAL;
1992
1993	if (!qed_mcp_is_init(p_hwfn)) {
1994		DP_NOTICE(p_hwfn, "MFW is not initialized!\n");
1995		return -EBUSY;
1996	}
1997
1998	transceiver_info = qed_rd(p_hwfn, p_ptt,
1999				  p_hwfn->mcp_info->port_addr +
2000				  offsetof(struct public_port,
2001					   transceiver_data));
2002
2003	*p_transceiver_state = (transceiver_info &
2004				ETH_TRANSCEIVER_STATE_MASK) >>
2005				ETH_TRANSCEIVER_STATE_OFFSET;
2006
2007	if (*p_transceiver_state == ETH_TRANSCEIVER_STATE_PRESENT)
2008		*p_transceiver_type = (transceiver_info &
2009				       ETH_TRANSCEIVER_TYPE_MASK) >>
2010				       ETH_TRANSCEIVER_TYPE_OFFSET;
2011	else
2012		*p_transceiver_type = ETH_TRANSCEIVER_TYPE_UNKNOWN;
2013
2014	return 0;
2015}
 
2016static bool qed_is_transceiver_ready(u32 transceiver_state,
2017				     u32 transceiver_type)
2018{
2019	if ((transceiver_state & ETH_TRANSCEIVER_STATE_PRESENT) &&
2020	    ((transceiver_state & ETH_TRANSCEIVER_STATE_UPDATING) == 0x0) &&
2021	    (transceiver_type != ETH_TRANSCEIVER_TYPE_NONE))
2022		return true;
2023
2024	return false;
2025}
2026
2027int qed_mcp_trans_speed_mask(struct qed_hwfn *p_hwfn,
2028			     struct qed_ptt *p_ptt, u32 *p_speed_mask)
2029{
2030	u32 transceiver_type, transceiver_state;
2031	int ret;
2032
2033	ret = qed_mcp_get_transceiver_data(p_hwfn, p_ptt, &transceiver_state,
2034					   &transceiver_type);
2035	if (ret)
2036		return ret;
2037
2038	if (qed_is_transceiver_ready(transceiver_state, transceiver_type) ==
2039				     false)
2040		return -EINVAL;
2041
2042	switch (transceiver_type) {
2043	case ETH_TRANSCEIVER_TYPE_1G_LX:
2044	case ETH_TRANSCEIVER_TYPE_1G_SX:
2045	case ETH_TRANSCEIVER_TYPE_1G_PCC:
2046	case ETH_TRANSCEIVER_TYPE_1G_ACC:
2047	case ETH_TRANSCEIVER_TYPE_1000BASET:
2048		*p_speed_mask = NVM_CFG1_PORT_DRV_SPEED_CAPABILITY_MASK_1G;
2049		break;
2050	case ETH_TRANSCEIVER_TYPE_10G_SR:
2051	case ETH_TRANSCEIVER_TYPE_10G_LR:
2052	case ETH_TRANSCEIVER_TYPE_10G_LRM:
2053	case ETH_TRANSCEIVER_TYPE_10G_ER:
2054	case ETH_TRANSCEIVER_TYPE_10G_PCC:
2055	case ETH_TRANSCEIVER_TYPE_10G_ACC:
2056	case ETH_TRANSCEIVER_TYPE_4x10G:
2057		*p_speed_mask = NVM_CFG1_PORT_DRV_SPEED_CAPABILITY_MASK_10G;
2058		break;
2059	case ETH_TRANSCEIVER_TYPE_40G_LR4:
2060	case ETH_TRANSCEIVER_TYPE_40G_SR4:
2061	case ETH_TRANSCEIVER_TYPE_MULTI_RATE_10G_40G_SR:
2062	case ETH_TRANSCEIVER_TYPE_MULTI_RATE_10G_40G_LR:
2063		*p_speed_mask = NVM_CFG1_PORT_DRV_SPEED_CAPABILITY_MASK_40G |
2064		    NVM_CFG1_PORT_DRV_SPEED_CAPABILITY_MASK_10G;
2065		break;
2066	case ETH_TRANSCEIVER_TYPE_100G_AOC:
2067	case ETH_TRANSCEIVER_TYPE_100G_SR4:
2068	case ETH_TRANSCEIVER_TYPE_100G_LR4:
2069	case ETH_TRANSCEIVER_TYPE_100G_ER4:
2070	case ETH_TRANSCEIVER_TYPE_100G_ACC:
2071		*p_speed_mask =
2072		    NVM_CFG1_PORT_DRV_SPEED_CAPABILITY_MASK_BB_100G |
2073		    NVM_CFG1_PORT_DRV_SPEED_CAPABILITY_MASK_25G;
2074		break;
2075	case ETH_TRANSCEIVER_TYPE_25G_SR:
2076	case ETH_TRANSCEIVER_TYPE_25G_LR:
2077	case ETH_TRANSCEIVER_TYPE_25G_AOC:
2078	case ETH_TRANSCEIVER_TYPE_25G_ACC_S:
2079	case ETH_TRANSCEIVER_TYPE_25G_ACC_M:
2080	case ETH_TRANSCEIVER_TYPE_25G_ACC_L:
2081		*p_speed_mask = NVM_CFG1_PORT_DRV_SPEED_CAPABILITY_MASK_25G;
2082		break;
2083	case ETH_TRANSCEIVER_TYPE_25G_CA_N:
2084	case ETH_TRANSCEIVER_TYPE_25G_CA_S:
2085	case ETH_TRANSCEIVER_TYPE_25G_CA_L:
2086	case ETH_TRANSCEIVER_TYPE_4x25G_CR:
2087		*p_speed_mask = NVM_CFG1_PORT_DRV_SPEED_CAPABILITY_MASK_25G |
2088		    NVM_CFG1_PORT_DRV_SPEED_CAPABILITY_MASK_10G |
2089		    NVM_CFG1_PORT_DRV_SPEED_CAPABILITY_MASK_1G;
2090		break;
 
 
 
 
 
2091	case ETH_TRANSCEIVER_TYPE_40G_CR4:
2092	case ETH_TRANSCEIVER_TYPE_MULTI_RATE_10G_40G_CR:
2093		*p_speed_mask = NVM_CFG1_PORT_DRV_SPEED_CAPABILITY_MASK_40G |
2094		    NVM_CFG1_PORT_DRV_SPEED_CAPABILITY_MASK_10G |
2095		    NVM_CFG1_PORT_DRV_SPEED_CAPABILITY_MASK_1G;
2096		break;
2097	case ETH_TRANSCEIVER_TYPE_100G_CR4:
2098	case ETH_TRANSCEIVER_TYPE_MULTI_RATE_40G_100G_CR:
2099		*p_speed_mask =
2100		    NVM_CFG1_PORT_DRV_SPEED_CAPABILITY_MASK_BB_100G |
2101		    NVM_CFG1_PORT_DRV_SPEED_CAPABILITY_MASK_50G |
2102		    NVM_CFG1_PORT_DRV_SPEED_CAPABILITY_MASK_40G |
2103		    NVM_CFG1_PORT_DRV_SPEED_CAPABILITY_MASK_25G |
2104		    NVM_CFG1_PORT_DRV_SPEED_CAPABILITY_MASK_20G |
2105		    NVM_CFG1_PORT_DRV_SPEED_CAPABILITY_MASK_10G |
2106		    NVM_CFG1_PORT_DRV_SPEED_CAPABILITY_MASK_1G;
2107		break;
2108	case ETH_TRANSCEIVER_TYPE_MULTI_RATE_40G_100G_SR:
2109	case ETH_TRANSCEIVER_TYPE_MULTI_RATE_40G_100G_LR:
2110	case ETH_TRANSCEIVER_TYPE_MULTI_RATE_40G_100G_AOC:
2111		*p_speed_mask =
2112		    NVM_CFG1_PORT_DRV_SPEED_CAPABILITY_MASK_BB_100G |
2113		    NVM_CFG1_PORT_DRV_SPEED_CAPABILITY_MASK_40G |
2114		    NVM_CFG1_PORT_DRV_SPEED_CAPABILITY_MASK_25G |
2115		    NVM_CFG1_PORT_DRV_SPEED_CAPABILITY_MASK_10G;
2116		break;
2117	case ETH_TRANSCEIVER_TYPE_XLPPI:
2118		*p_speed_mask = NVM_CFG1_PORT_DRV_SPEED_CAPABILITY_MASK_40G;
2119		break;
2120	case ETH_TRANSCEIVER_TYPE_10G_BASET:
 
 
2121		*p_speed_mask = NVM_CFG1_PORT_DRV_SPEED_CAPABILITY_MASK_10G |
2122		    NVM_CFG1_PORT_DRV_SPEED_CAPABILITY_MASK_1G;
2123		break;
2124	default:
2125		DP_INFO(p_hwfn, "Unknown transceiver type 0x%x\n",
2126			transceiver_type);
2127		*p_speed_mask = 0xff;
2128		break;
2129	}
2130
2131	return 0;
2132}
2133
2134int qed_mcp_get_board_config(struct qed_hwfn *p_hwfn,
2135			     struct qed_ptt *p_ptt, u32 *p_board_config)
2136{
2137	u32 nvm_cfg_addr, nvm_cfg1_offset, port_cfg_addr;
2138
2139	if (IS_VF(p_hwfn->cdev))
2140		return -EINVAL;
2141
2142	if (!qed_mcp_is_init(p_hwfn)) {
2143		DP_NOTICE(p_hwfn, "MFW is not initialized!\n");
2144		return -EBUSY;
2145	}
2146	if (!p_ptt) {
2147		*p_board_config = NVM_CFG1_PORT_PORT_TYPE_UNDEFINED;
2148		return -EINVAL;
2149	}
2150
2151	nvm_cfg_addr = qed_rd(p_hwfn, p_ptt, MISC_REG_GEN_PURP_CR0);
2152	nvm_cfg1_offset = qed_rd(p_hwfn, p_ptt, nvm_cfg_addr + 4);
2153	port_cfg_addr = MCP_REG_SCRATCH + nvm_cfg1_offset +
2154			offsetof(struct nvm_cfg1, port[MFW_PORT(p_hwfn)]);
2155	*p_board_config = qed_rd(p_hwfn, p_ptt,
2156				 port_cfg_addr +
2157				 offsetof(struct nvm_cfg1_port,
2158					  board_cfg));
2159
2160	return 0;
2161}
2162
2163/* Old MFW has a global configuration for all PFs regarding RDMA support */
2164static void
2165qed_mcp_get_shmem_proto_legacy(struct qed_hwfn *p_hwfn,
2166			       enum qed_pci_personality *p_proto)
2167{
2168	/* There wasn't ever a legacy MFW that published iwarp.
2169	 * So at this point, this is either plain l2 or RoCE.
2170	 */
2171	if (test_bit(QED_DEV_CAP_ROCE, &p_hwfn->hw_info.device_capabilities))
2172		*p_proto = QED_PCI_ETH_ROCE;
2173	else
2174		*p_proto = QED_PCI_ETH;
2175
2176	DP_VERBOSE(p_hwfn, NETIF_MSG_IFUP,
2177		   "According to Legacy capabilities, L2 personality is %08x\n",
2178		   (u32) *p_proto);
2179}
2180
2181static int
2182qed_mcp_get_shmem_proto_mfw(struct qed_hwfn *p_hwfn,
2183			    struct qed_ptt *p_ptt,
2184			    enum qed_pci_personality *p_proto)
2185{
2186	u32 resp = 0, param = 0;
2187	int rc;
2188
2189	rc = qed_mcp_cmd(p_hwfn, p_ptt,
2190			 DRV_MSG_CODE_GET_PF_RDMA_PROTOCOL, 0, &resp, &param);
2191	if (rc)
2192		return rc;
2193	if (resp != FW_MSG_CODE_OK) {
2194		DP_VERBOSE(p_hwfn, NETIF_MSG_IFUP,
2195			   "MFW lacks support for command; Returns %08x\n",
2196			   resp);
2197		return -EINVAL;
2198	}
2199
2200	switch (param) {
2201	case FW_MB_PARAM_GET_PF_RDMA_NONE:
2202		*p_proto = QED_PCI_ETH;
2203		break;
2204	case FW_MB_PARAM_GET_PF_RDMA_ROCE:
2205		*p_proto = QED_PCI_ETH_ROCE;
2206		break;
2207	case FW_MB_PARAM_GET_PF_RDMA_IWARP:
2208		*p_proto = QED_PCI_ETH_IWARP;
2209		break;
2210	case FW_MB_PARAM_GET_PF_RDMA_BOTH:
2211		*p_proto = QED_PCI_ETH_RDMA;
2212		break;
2213	default:
2214		DP_NOTICE(p_hwfn,
2215			  "MFW answers GET_PF_RDMA_PROTOCOL but param is %08x\n",
2216			  param);
2217		return -EINVAL;
2218	}
2219
2220	DP_VERBOSE(p_hwfn,
2221		   NETIF_MSG_IFUP,
2222		   "According to capabilities, L2 personality is %08x [resp %08x param %08x]\n",
2223		   (u32) *p_proto, resp, param);
2224	return 0;
2225}
2226
2227static int
2228qed_mcp_get_shmem_proto(struct qed_hwfn *p_hwfn,
2229			struct public_func *p_info,
2230			struct qed_ptt *p_ptt,
2231			enum qed_pci_personality *p_proto)
2232{
2233	int rc = 0;
2234
2235	switch (p_info->config & FUNC_MF_CFG_PROTOCOL_MASK) {
2236	case FUNC_MF_CFG_PROTOCOL_ETHERNET:
2237		if (!IS_ENABLED(CONFIG_QED_RDMA))
2238			*p_proto = QED_PCI_ETH;
2239		else if (qed_mcp_get_shmem_proto_mfw(p_hwfn, p_ptt, p_proto))
2240			qed_mcp_get_shmem_proto_legacy(p_hwfn, p_proto);
2241		break;
2242	case FUNC_MF_CFG_PROTOCOL_ISCSI:
2243		*p_proto = QED_PCI_ISCSI;
2244		break;
2245	case FUNC_MF_CFG_PROTOCOL_FCOE:
2246		*p_proto = QED_PCI_FCOE;
2247		break;
2248	case FUNC_MF_CFG_PROTOCOL_ROCE:
2249		DP_NOTICE(p_hwfn, "RoCE personality is not a valid value!\n");
2250	/* Fallthrough */
2251	default:
2252		rc = -EINVAL;
2253	}
2254
2255	return rc;
2256}
2257
2258int qed_mcp_fill_shmem_func_info(struct qed_hwfn *p_hwfn,
2259				 struct qed_ptt *p_ptt)
2260{
2261	struct qed_mcp_function_info *info;
2262	struct public_func shmem_info;
2263
2264	qed_mcp_get_shmem_func(p_hwfn, p_ptt, &shmem_info, MCP_PF_ID(p_hwfn));
2265	info = &p_hwfn->mcp_info->func_info;
2266
2267	info->pause_on_host = (shmem_info.config &
2268			       FUNC_MF_CFG_PAUSE_ON_HOST_RING) ? 1 : 0;
2269
2270	if (qed_mcp_get_shmem_proto(p_hwfn, &shmem_info, p_ptt,
2271				    &info->protocol)) {
2272		DP_ERR(p_hwfn, "Unknown personality %08x\n",
2273		       (u32)(shmem_info.config & FUNC_MF_CFG_PROTOCOL_MASK));
2274		return -EINVAL;
2275	}
2276
2277	qed_read_pf_bandwidth(p_hwfn, &shmem_info);
2278
2279	if (shmem_info.mac_upper || shmem_info.mac_lower) {
2280		info->mac[0] = (u8)(shmem_info.mac_upper >> 8);
2281		info->mac[1] = (u8)(shmem_info.mac_upper);
2282		info->mac[2] = (u8)(shmem_info.mac_lower >> 24);
2283		info->mac[3] = (u8)(shmem_info.mac_lower >> 16);
2284		info->mac[4] = (u8)(shmem_info.mac_lower >> 8);
2285		info->mac[5] = (u8)(shmem_info.mac_lower);
2286
2287		/* Store primary MAC for later possible WoL */
2288		memcpy(&p_hwfn->cdev->wol_mac, info->mac, ETH_ALEN);
2289	} else {
2290		DP_NOTICE(p_hwfn, "MAC is 0 in shmem\n");
2291	}
2292
2293	info->wwn_port = (u64)shmem_info.fcoe_wwn_port_name_lower |
2294			 (((u64)shmem_info.fcoe_wwn_port_name_upper) << 32);
2295	info->wwn_node = (u64)shmem_info.fcoe_wwn_node_name_lower |
2296			 (((u64)shmem_info.fcoe_wwn_node_name_upper) << 32);
2297
2298	info->ovlan = (u16)(shmem_info.ovlan_stag & FUNC_MF_CFG_OV_STAG_MASK);
2299
2300	info->mtu = (u16)shmem_info.mtu_size;
2301
2302	p_hwfn->hw_info.b_wol_support = QED_WOL_SUPPORT_NONE;
2303	p_hwfn->cdev->wol_config = (u8)QED_OV_WOL_DEFAULT;
2304	if (qed_mcp_is_init(p_hwfn)) {
2305		u32 resp = 0, param = 0;
2306		int rc;
2307
2308		rc = qed_mcp_cmd(p_hwfn, p_ptt,
2309				 DRV_MSG_CODE_OS_WOL, 0, &resp, &param);
2310		if (rc)
2311			return rc;
2312		if (resp == FW_MSG_CODE_OS_WOL_SUPPORTED)
2313			p_hwfn->hw_info.b_wol_support = QED_WOL_SUPPORT_PME;
2314	}
2315
2316	DP_VERBOSE(p_hwfn, (QED_MSG_SP | NETIF_MSG_IFUP),
2317		   "Read configuration from shmem: pause_on_host %02x protocol %02x BW [%02x - %02x] MAC %02x:%02x:%02x:%02x:%02x:%02x wwn port %llx node %llx ovlan %04x wol %02x\n",
2318		info->pause_on_host, info->protocol,
2319		info->bandwidth_min, info->bandwidth_max,
2320		info->mac[0], info->mac[1], info->mac[2],
2321		info->mac[3], info->mac[4], info->mac[5],
2322		info->wwn_port, info->wwn_node,
2323		info->ovlan, (u8)p_hwfn->hw_info.b_wol_support);
2324
2325	return 0;
2326}
2327
2328struct qed_mcp_link_params
2329*qed_mcp_get_link_params(struct qed_hwfn *p_hwfn)
2330{
2331	if (!p_hwfn || !p_hwfn->mcp_info)
2332		return NULL;
2333	return &p_hwfn->mcp_info->link_input;
2334}
2335
2336struct qed_mcp_link_state
2337*qed_mcp_get_link_state(struct qed_hwfn *p_hwfn)
2338{
2339	if (!p_hwfn || !p_hwfn->mcp_info)
2340		return NULL;
2341	return &p_hwfn->mcp_info->link_output;
2342}
2343
2344struct qed_mcp_link_capabilities
2345*qed_mcp_get_link_capabilities(struct qed_hwfn *p_hwfn)
2346{
2347	if (!p_hwfn || !p_hwfn->mcp_info)
2348		return NULL;
2349	return &p_hwfn->mcp_info->link_capabilities;
2350}
2351
2352int qed_mcp_drain(struct qed_hwfn *p_hwfn, struct qed_ptt *p_ptt)
2353{
2354	u32 resp = 0, param = 0;
2355	int rc;
2356
2357	rc = qed_mcp_cmd(p_hwfn, p_ptt,
2358			 DRV_MSG_CODE_NIG_DRAIN, 1000, &resp, &param);
2359
2360	/* Wait for the drain to complete before returning */
2361	msleep(1020);
2362
2363	return rc;
2364}
2365
2366int qed_mcp_get_flash_size(struct qed_hwfn *p_hwfn,
2367			   struct qed_ptt *p_ptt, u32 *p_flash_size)
2368{
2369	u32 flash_size;
2370
2371	if (IS_VF(p_hwfn->cdev))
2372		return -EINVAL;
2373
2374	flash_size = qed_rd(p_hwfn, p_ptt, MCP_REG_NVM_CFG4);
2375	flash_size = (flash_size & MCP_REG_NVM_CFG4_FLASH_SIZE) >>
2376		      MCP_REG_NVM_CFG4_FLASH_SIZE_SHIFT;
2377	flash_size = (1 << (flash_size + MCP_BYTES_PER_MBIT_SHIFT));
2378
2379	*p_flash_size = flash_size;
2380
2381	return 0;
2382}
2383
2384int qed_start_recovery_process(struct qed_hwfn *p_hwfn, struct qed_ptt *p_ptt)
2385{
2386	struct qed_dev *cdev = p_hwfn->cdev;
2387
2388	if (cdev->recov_in_prog) {
2389		DP_NOTICE(p_hwfn,
2390			  "Avoid triggering a recovery since such a process is already in progress\n");
2391		return -EAGAIN;
2392	}
2393
2394	DP_NOTICE(p_hwfn, "Triggering a recovery process\n");
2395	qed_wr(p_hwfn, p_ptt, MISC_REG_AEU_GENERAL_ATTN_35, 0x1);
2396
2397	return 0;
2398}
2399
2400#define QED_RECOVERY_PROLOG_SLEEP_MS    100
2401
2402int qed_recovery_prolog(struct qed_dev *cdev)
2403{
2404	struct qed_hwfn *p_hwfn = QED_LEADING_HWFN(cdev);
2405	struct qed_ptt *p_ptt = p_hwfn->p_main_ptt;
2406	int rc;
2407
2408	/* Allow ongoing PCIe transactions to complete */
2409	msleep(QED_RECOVERY_PROLOG_SLEEP_MS);
2410
2411	/* Clear the PF's internal FID_enable in the PXP */
2412	rc = qed_pglueb_set_pfid_enable(p_hwfn, p_ptt, false);
2413	if (rc)
2414		DP_NOTICE(p_hwfn,
2415			  "qed_pglueb_set_pfid_enable() failed. rc = %d.\n",
2416			  rc);
2417
2418	return rc;
2419}
2420
2421static int
2422qed_mcp_config_vf_msix_bb(struct qed_hwfn *p_hwfn,
2423			  struct qed_ptt *p_ptt, u8 vf_id, u8 num)
2424{
2425	u32 resp = 0, param = 0, rc_param = 0;
2426	int rc;
2427
2428	/* Only Leader can configure MSIX, and need to take CMT into account */
2429	if (!IS_LEAD_HWFN(p_hwfn))
2430		return 0;
2431	num *= p_hwfn->cdev->num_hwfns;
2432
2433	param |= (vf_id << DRV_MB_PARAM_CFG_VF_MSIX_VF_ID_SHIFT) &
2434		 DRV_MB_PARAM_CFG_VF_MSIX_VF_ID_MASK;
2435	param |= (num << DRV_MB_PARAM_CFG_VF_MSIX_SB_NUM_SHIFT) &
2436		 DRV_MB_PARAM_CFG_VF_MSIX_SB_NUM_MASK;
2437
2438	rc = qed_mcp_cmd(p_hwfn, p_ptt, DRV_MSG_CODE_CFG_VF_MSIX, param,
2439			 &resp, &rc_param);
2440
2441	if (resp != FW_MSG_CODE_DRV_CFG_VF_MSIX_DONE) {
2442		DP_NOTICE(p_hwfn, "VF[%d]: MFW failed to set MSI-X\n", vf_id);
2443		rc = -EINVAL;
2444	} else {
2445		DP_VERBOSE(p_hwfn, QED_MSG_IOV,
2446			   "Requested 0x%02x MSI-x interrupts from VF 0x%02x\n",
2447			   num, vf_id);
2448	}
2449
2450	return rc;
2451}
2452
2453static int
2454qed_mcp_config_vf_msix_ah(struct qed_hwfn *p_hwfn,
2455			  struct qed_ptt *p_ptt, u8 num)
2456{
2457	u32 resp = 0, param = num, rc_param = 0;
2458	int rc;
2459
2460	rc = qed_mcp_cmd(p_hwfn, p_ptt, DRV_MSG_CODE_CFG_PF_VFS_MSIX,
2461			 param, &resp, &rc_param);
2462
2463	if (resp != FW_MSG_CODE_DRV_CFG_PF_VFS_MSIX_DONE) {
2464		DP_NOTICE(p_hwfn, "MFW failed to set MSI-X for VFs\n");
2465		rc = -EINVAL;
2466	} else {
2467		DP_VERBOSE(p_hwfn, QED_MSG_IOV,
2468			   "Requested 0x%02x MSI-x interrupts for VFs\n", num);
2469	}
2470
2471	return rc;
2472}
2473
2474int qed_mcp_config_vf_msix(struct qed_hwfn *p_hwfn,
2475			   struct qed_ptt *p_ptt, u8 vf_id, u8 num)
2476{
2477	if (QED_IS_BB(p_hwfn->cdev))
2478		return qed_mcp_config_vf_msix_bb(p_hwfn, p_ptt, vf_id, num);
2479	else
2480		return qed_mcp_config_vf_msix_ah(p_hwfn, p_ptt, num);
2481}
2482
2483int
2484qed_mcp_send_drv_version(struct qed_hwfn *p_hwfn,
2485			 struct qed_ptt *p_ptt,
2486			 struct qed_mcp_drv_version *p_ver)
2487{
2488	struct qed_mcp_mb_params mb_params;
2489	struct drv_version_stc drv_version;
2490	__be32 val;
2491	u32 i;
2492	int rc;
2493
2494	memset(&drv_version, 0, sizeof(drv_version));
2495	drv_version.version = p_ver->version;
2496	for (i = 0; i < (MCP_DRV_VER_STR_SIZE - 4) / sizeof(u32); i++) {
2497		val = cpu_to_be32(*((u32 *)&p_ver->name[i * sizeof(u32)]));
2498		*(__be32 *)&drv_version.name[i * sizeof(u32)] = val;
2499	}
2500
2501	memset(&mb_params, 0, sizeof(mb_params));
2502	mb_params.cmd = DRV_MSG_CODE_SET_VERSION;
2503	mb_params.p_data_src = &drv_version;
2504	mb_params.data_src_size = sizeof(drv_version);
2505	rc = qed_mcp_cmd_and_union(p_hwfn, p_ptt, &mb_params);
2506	if (rc)
2507		DP_ERR(p_hwfn, "MCP response failure, aborting\n");
2508
2509	return rc;
2510}
2511
2512/* A maximal 100 msec waiting time for the MCP to halt */
2513#define QED_MCP_HALT_SLEEP_MS		10
2514#define QED_MCP_HALT_MAX_RETRIES	10
2515
2516int qed_mcp_halt(struct qed_hwfn *p_hwfn, struct qed_ptt *p_ptt)
2517{
2518	u32 resp = 0, param = 0, cpu_state, cnt = 0;
2519	int rc;
2520
2521	rc = qed_mcp_cmd(p_hwfn, p_ptt, DRV_MSG_CODE_MCP_HALT, 0, &resp,
2522			 &param);
2523	if (rc) {
2524		DP_ERR(p_hwfn, "MCP response failure, aborting\n");
2525		return rc;
2526	}
2527
2528	do {
2529		msleep(QED_MCP_HALT_SLEEP_MS);
2530		cpu_state = qed_rd(p_hwfn, p_ptt, MCP_REG_CPU_STATE);
2531		if (cpu_state & MCP_REG_CPU_STATE_SOFT_HALTED)
2532			break;
2533	} while (++cnt < QED_MCP_HALT_MAX_RETRIES);
2534
2535	if (cnt == QED_MCP_HALT_MAX_RETRIES) {
2536		DP_NOTICE(p_hwfn,
2537			  "Failed to halt the MCP [CPU_MODE = 0x%08x, CPU_STATE = 0x%08x]\n",
2538			  qed_rd(p_hwfn, p_ptt, MCP_REG_CPU_MODE), cpu_state);
2539		return -EBUSY;
2540	}
2541
2542	qed_mcp_cmd_set_blocking(p_hwfn, true);
2543
2544	return 0;
2545}
2546
2547#define QED_MCP_RESUME_SLEEP_MS	10
2548
2549int qed_mcp_resume(struct qed_hwfn *p_hwfn, struct qed_ptt *p_ptt)
2550{
2551	u32 cpu_mode, cpu_state;
2552
2553	qed_wr(p_hwfn, p_ptt, MCP_REG_CPU_STATE, 0xffffffff);
2554
2555	cpu_mode = qed_rd(p_hwfn, p_ptt, MCP_REG_CPU_MODE);
2556	cpu_mode &= ~MCP_REG_CPU_MODE_SOFT_HALT;
2557	qed_wr(p_hwfn, p_ptt, MCP_REG_CPU_MODE, cpu_mode);
2558	msleep(QED_MCP_RESUME_SLEEP_MS);
2559	cpu_state = qed_rd(p_hwfn, p_ptt, MCP_REG_CPU_STATE);
2560
2561	if (cpu_state & MCP_REG_CPU_STATE_SOFT_HALTED) {
2562		DP_NOTICE(p_hwfn,
2563			  "Failed to resume the MCP [CPU_MODE = 0x%08x, CPU_STATE = 0x%08x]\n",
2564			  cpu_mode, cpu_state);
2565		return -EBUSY;
2566	}
2567
2568	qed_mcp_cmd_set_blocking(p_hwfn, false);
2569
2570	return 0;
2571}
2572
2573int qed_mcp_ov_update_current_config(struct qed_hwfn *p_hwfn,
2574				     struct qed_ptt *p_ptt,
2575				     enum qed_ov_client client)
2576{
2577	u32 resp = 0, param = 0;
2578	u32 drv_mb_param;
2579	int rc;
2580
2581	switch (client) {
2582	case QED_OV_CLIENT_DRV:
2583		drv_mb_param = DRV_MB_PARAM_OV_CURR_CFG_OS;
2584		break;
2585	case QED_OV_CLIENT_USER:
2586		drv_mb_param = DRV_MB_PARAM_OV_CURR_CFG_OTHER;
2587		break;
2588	case QED_OV_CLIENT_VENDOR_SPEC:
2589		drv_mb_param = DRV_MB_PARAM_OV_CURR_CFG_VENDOR_SPEC;
2590		break;
2591	default:
2592		DP_NOTICE(p_hwfn, "Invalid client type %d\n", client);
2593		return -EINVAL;
2594	}
2595
2596	rc = qed_mcp_cmd(p_hwfn, p_ptt, DRV_MSG_CODE_OV_UPDATE_CURR_CFG,
2597			 drv_mb_param, &resp, &param);
2598	if (rc)
2599		DP_ERR(p_hwfn, "MCP response failure, aborting\n");
2600
2601	return rc;
2602}
2603
2604int qed_mcp_ov_update_driver_state(struct qed_hwfn *p_hwfn,
2605				   struct qed_ptt *p_ptt,
2606				   enum qed_ov_driver_state drv_state)
2607{
2608	u32 resp = 0, param = 0;
2609	u32 drv_mb_param;
2610	int rc;
2611
2612	switch (drv_state) {
2613	case QED_OV_DRIVER_STATE_NOT_LOADED:
2614		drv_mb_param = DRV_MSG_CODE_OV_UPDATE_DRIVER_STATE_NOT_LOADED;
2615		break;
2616	case QED_OV_DRIVER_STATE_DISABLED:
2617		drv_mb_param = DRV_MSG_CODE_OV_UPDATE_DRIVER_STATE_DISABLED;
2618		break;
2619	case QED_OV_DRIVER_STATE_ACTIVE:
2620		drv_mb_param = DRV_MSG_CODE_OV_UPDATE_DRIVER_STATE_ACTIVE;
2621		break;
2622	default:
2623		DP_NOTICE(p_hwfn, "Invalid driver state %d\n", drv_state);
2624		return -EINVAL;
2625	}
2626
2627	rc = qed_mcp_cmd(p_hwfn, p_ptt, DRV_MSG_CODE_OV_UPDATE_DRIVER_STATE,
2628			 drv_mb_param, &resp, &param);
2629	if (rc)
2630		DP_ERR(p_hwfn, "Failed to send driver state\n");
2631
2632	return rc;
2633}
2634
2635int qed_mcp_ov_update_mtu(struct qed_hwfn *p_hwfn,
2636			  struct qed_ptt *p_ptt, u16 mtu)
2637{
2638	u32 resp = 0, param = 0;
2639	u32 drv_mb_param;
2640	int rc;
2641
2642	drv_mb_param = (u32)mtu << DRV_MB_PARAM_OV_MTU_SIZE_SHIFT;
2643	rc = qed_mcp_cmd(p_hwfn, p_ptt, DRV_MSG_CODE_OV_UPDATE_MTU,
2644			 drv_mb_param, &resp, &param);
2645	if (rc)
2646		DP_ERR(p_hwfn, "Failed to send mtu value, rc = %d\n", rc);
2647
2648	return rc;
2649}
2650
2651int qed_mcp_ov_update_mac(struct qed_hwfn *p_hwfn,
2652			  struct qed_ptt *p_ptt, u8 *mac)
2653{
2654	struct qed_mcp_mb_params mb_params;
2655	u32 mfw_mac[2];
2656	int rc;
2657
2658	memset(&mb_params, 0, sizeof(mb_params));
2659	mb_params.cmd = DRV_MSG_CODE_SET_VMAC;
2660	mb_params.param = DRV_MSG_CODE_VMAC_TYPE_MAC <<
2661			  DRV_MSG_CODE_VMAC_TYPE_SHIFT;
2662	mb_params.param |= MCP_PF_ID(p_hwfn);
2663
2664	/* MCP is BE, and on LE platforms PCI would swap access to SHMEM
2665	 * in 32-bit granularity.
2666	 * So the MAC has to be set in native order [and not byte order],
2667	 * otherwise it would be read incorrectly by MFW after swap.
2668	 */
2669	mfw_mac[0] = mac[0] << 24 | mac[1] << 16 | mac[2] << 8 | mac[3];
2670	mfw_mac[1] = mac[4] << 24 | mac[5] << 16;
2671
2672	mb_params.p_data_src = (u8 *)mfw_mac;
2673	mb_params.data_src_size = 8;
2674	rc = qed_mcp_cmd_and_union(p_hwfn, p_ptt, &mb_params);
2675	if (rc)
2676		DP_ERR(p_hwfn, "Failed to send mac address, rc = %d\n", rc);
2677
2678	/* Store primary MAC for later possible WoL */
2679	memcpy(p_hwfn->cdev->wol_mac, mac, ETH_ALEN);
2680
2681	return rc;
2682}
2683
2684int qed_mcp_ov_update_wol(struct qed_hwfn *p_hwfn,
2685			  struct qed_ptt *p_ptt, enum qed_ov_wol wol)
2686{
2687	u32 resp = 0, param = 0;
2688	u32 drv_mb_param;
2689	int rc;
2690
2691	if (p_hwfn->hw_info.b_wol_support == QED_WOL_SUPPORT_NONE) {
2692		DP_VERBOSE(p_hwfn, QED_MSG_SP,
2693			   "Can't change WoL configuration when WoL isn't supported\n");
2694		return -EINVAL;
2695	}
2696
2697	switch (wol) {
2698	case QED_OV_WOL_DEFAULT:
2699		drv_mb_param = DRV_MB_PARAM_WOL_DEFAULT;
2700		break;
2701	case QED_OV_WOL_DISABLED:
2702		drv_mb_param = DRV_MB_PARAM_WOL_DISABLED;
2703		break;
2704	case QED_OV_WOL_ENABLED:
2705		drv_mb_param = DRV_MB_PARAM_WOL_ENABLED;
2706		break;
2707	default:
2708		DP_ERR(p_hwfn, "Invalid wol state %d\n", wol);
2709		return -EINVAL;
2710	}
2711
2712	rc = qed_mcp_cmd(p_hwfn, p_ptt, DRV_MSG_CODE_OV_UPDATE_WOL,
2713			 drv_mb_param, &resp, &param);
2714	if (rc)
2715		DP_ERR(p_hwfn, "Failed to send wol mode, rc = %d\n", rc);
2716
2717	/* Store the WoL update for a future unload */
2718	p_hwfn->cdev->wol_config = (u8)wol;
2719
2720	return rc;
2721}
2722
2723int qed_mcp_ov_update_eswitch(struct qed_hwfn *p_hwfn,
2724			      struct qed_ptt *p_ptt,
2725			      enum qed_ov_eswitch eswitch)
2726{
2727	u32 resp = 0, param = 0;
2728	u32 drv_mb_param;
2729	int rc;
2730
2731	switch (eswitch) {
2732	case QED_OV_ESWITCH_NONE:
2733		drv_mb_param = DRV_MB_PARAM_ESWITCH_MODE_NONE;
2734		break;
2735	case QED_OV_ESWITCH_VEB:
2736		drv_mb_param = DRV_MB_PARAM_ESWITCH_MODE_VEB;
2737		break;
2738	case QED_OV_ESWITCH_VEPA:
2739		drv_mb_param = DRV_MB_PARAM_ESWITCH_MODE_VEPA;
2740		break;
2741	default:
2742		DP_ERR(p_hwfn, "Invalid eswitch mode %d\n", eswitch);
2743		return -EINVAL;
2744	}
2745
2746	rc = qed_mcp_cmd(p_hwfn, p_ptt, DRV_MSG_CODE_OV_UPDATE_ESWITCH_MODE,
2747			 drv_mb_param, &resp, &param);
2748	if (rc)
2749		DP_ERR(p_hwfn, "Failed to send eswitch mode, rc = %d\n", rc);
2750
2751	return rc;
2752}
2753
2754int qed_mcp_set_led(struct qed_hwfn *p_hwfn,
2755		    struct qed_ptt *p_ptt, enum qed_led_mode mode)
2756{
2757	u32 resp = 0, param = 0, drv_mb_param;
2758	int rc;
2759
2760	switch (mode) {
2761	case QED_LED_MODE_ON:
2762		drv_mb_param = DRV_MB_PARAM_SET_LED_MODE_ON;
2763		break;
2764	case QED_LED_MODE_OFF:
2765		drv_mb_param = DRV_MB_PARAM_SET_LED_MODE_OFF;
2766		break;
2767	case QED_LED_MODE_RESTORE:
2768		drv_mb_param = DRV_MB_PARAM_SET_LED_MODE_OPER;
2769		break;
2770	default:
2771		DP_NOTICE(p_hwfn, "Invalid LED mode %d\n", mode);
2772		return -EINVAL;
2773	}
2774
2775	rc = qed_mcp_cmd(p_hwfn, p_ptt, DRV_MSG_CODE_SET_LED_MODE,
2776			 drv_mb_param, &resp, &param);
2777
2778	return rc;
2779}
2780
2781int qed_mcp_mask_parities(struct qed_hwfn *p_hwfn,
2782			  struct qed_ptt *p_ptt, u32 mask_parities)
2783{
2784	u32 resp = 0, param = 0;
2785	int rc;
2786
2787	rc = qed_mcp_cmd(p_hwfn, p_ptt, DRV_MSG_CODE_MASK_PARITIES,
2788			 mask_parities, &resp, &param);
2789
2790	if (rc) {
2791		DP_ERR(p_hwfn,
2792		       "MCP response failure for mask parities, aborting\n");
2793	} else if (resp != FW_MSG_CODE_OK) {
2794		DP_ERR(p_hwfn,
2795		       "MCP did not acknowledge mask parity request. Old MFW?\n");
2796		rc = -EINVAL;
2797	}
2798
2799	return rc;
2800}
2801
2802int qed_mcp_nvm_read(struct qed_dev *cdev, u32 addr, u8 *p_buf, u32 len)
2803{
2804	u32 bytes_left = len, offset = 0, bytes_to_copy, read_len = 0;
2805	struct qed_hwfn *p_hwfn = QED_LEADING_HWFN(cdev);
2806	u32 resp = 0, resp_param = 0;
2807	struct qed_ptt *p_ptt;
2808	int rc = 0;
2809
2810	p_ptt = qed_ptt_acquire(p_hwfn);
2811	if (!p_ptt)
2812		return -EBUSY;
2813
2814	while (bytes_left > 0) {
2815		bytes_to_copy = min_t(u32, bytes_left, MCP_DRV_NVM_BUF_LEN);
2816
2817		rc = qed_mcp_nvm_rd_cmd(p_hwfn, p_ptt,
2818					DRV_MSG_CODE_NVM_READ_NVRAM,
2819					addr + offset +
2820					(bytes_to_copy <<
2821					 DRV_MB_PARAM_NVM_LEN_OFFSET),
2822					&resp, &resp_param,
2823					&read_len,
2824					(u32 *)(p_buf + offset));
2825
2826		if (rc || (resp != FW_MSG_CODE_NVM_OK)) {
2827			DP_NOTICE(cdev, "MCP command rc = %d\n", rc);
2828			break;
2829		}
2830
2831		/* This can be a lengthy process, and it's possible scheduler
2832		 * isn't preemptable. Sleep a bit to prevent CPU hogging.
2833		 */
2834		if (bytes_left % 0x1000 <
2835		    (bytes_left - read_len) % 0x1000)
2836			usleep_range(1000, 2000);
2837
2838		offset += read_len;
2839		bytes_left -= read_len;
2840	}
2841
2842	cdev->mcp_nvm_resp = resp;
2843	qed_ptt_release(p_hwfn, p_ptt);
2844
2845	return rc;
2846}
2847
2848int qed_mcp_nvm_resp(struct qed_dev *cdev, u8 *p_buf)
2849{
2850	struct qed_hwfn *p_hwfn = QED_LEADING_HWFN(cdev);
2851	struct qed_ptt *p_ptt;
2852
2853	p_ptt = qed_ptt_acquire(p_hwfn);
2854	if (!p_ptt)
2855		return -EBUSY;
2856
2857	memcpy(p_buf, &cdev->mcp_nvm_resp, sizeof(cdev->mcp_nvm_resp));
2858	qed_ptt_release(p_hwfn, p_ptt);
2859
2860	return 0;
2861}
2862
2863int qed_mcp_nvm_write(struct qed_dev *cdev,
2864		      u32 cmd, u32 addr, u8 *p_buf, u32 len)
2865{
2866	u32 buf_idx = 0, buf_size, nvm_cmd, nvm_offset, resp = 0, param;
2867	struct qed_hwfn *p_hwfn = QED_LEADING_HWFN(cdev);
2868	struct qed_ptt *p_ptt;
2869	int rc = -EINVAL;
2870
2871	p_ptt = qed_ptt_acquire(p_hwfn);
2872	if (!p_ptt)
2873		return -EBUSY;
2874
2875	switch (cmd) {
2876	case QED_PUT_FILE_BEGIN:
2877		nvm_cmd = DRV_MSG_CODE_NVM_PUT_FILE_BEGIN;
2878		break;
2879	case QED_PUT_FILE_DATA:
2880		nvm_cmd = DRV_MSG_CODE_NVM_PUT_FILE_DATA;
2881		break;
2882	case QED_NVM_WRITE_NVRAM:
2883		nvm_cmd = DRV_MSG_CODE_NVM_WRITE_NVRAM;
2884		break;
2885	default:
2886		DP_NOTICE(p_hwfn, "Invalid nvm write command 0x%x\n", cmd);
2887		rc = -EINVAL;
2888		goto out;
2889	}
2890
2891	buf_size = min_t(u32, (len - buf_idx), MCP_DRV_NVM_BUF_LEN);
2892	while (buf_idx < len) {
2893		if (cmd == QED_PUT_FILE_BEGIN)
2894			nvm_offset = addr;
2895		else
2896			nvm_offset = ((buf_size <<
2897				       DRV_MB_PARAM_NVM_LEN_OFFSET) | addr) +
2898				       buf_idx;
2899		rc = qed_mcp_nvm_wr_cmd(p_hwfn, p_ptt, nvm_cmd, nvm_offset,
2900					&resp, &param, buf_size,
2901					(u32 *)&p_buf[buf_idx]);
2902		if (rc) {
2903			DP_NOTICE(cdev, "nvm write failed, rc = %d\n", rc);
2904			resp = FW_MSG_CODE_ERROR;
2905			break;
2906		}
2907
2908		if (resp != FW_MSG_CODE_OK &&
2909		    resp != FW_MSG_CODE_NVM_OK &&
2910		    resp != FW_MSG_CODE_NVM_PUT_FILE_FINISH_OK) {
2911			DP_NOTICE(cdev,
2912				  "nvm write failed, resp = 0x%08x\n", resp);
2913			rc = -EINVAL;
2914			break;
2915		}
2916
2917		/* This can be a lengthy process, and it's possible scheduler
2918		 * isn't pre-emptable. Sleep a bit to prevent CPU hogging.
2919		 */
2920		if (buf_idx % 0x1000 > (buf_idx + buf_size) % 0x1000)
2921			usleep_range(1000, 2000);
2922
2923		/* For MBI upgrade, MFW response includes the next buffer offset
2924		 * to be delivered to MFW.
2925		 */
2926		if (param && cmd == QED_PUT_FILE_DATA) {
2927			buf_idx = QED_MFW_GET_FIELD(param,
2928					FW_MB_PARAM_NVM_PUT_FILE_REQ_OFFSET);
2929			buf_size = QED_MFW_GET_FIELD(param,
2930					 FW_MB_PARAM_NVM_PUT_FILE_REQ_SIZE);
 
 
2931		} else {
2932			buf_idx += buf_size;
2933			buf_size = min_t(u32, (len - buf_idx),
2934					 MCP_DRV_NVM_BUF_LEN);
2935		}
2936	}
2937
2938	cdev->mcp_nvm_resp = resp;
2939out:
2940	qed_ptt_release(p_hwfn, p_ptt);
2941
2942	return rc;
2943}
2944
2945int qed_mcp_phy_sfp_read(struct qed_hwfn *p_hwfn, struct qed_ptt *p_ptt,
2946			 u32 port, u32 addr, u32 offset, u32 len, u8 *p_buf)
2947{
2948	u32 bytes_left, bytes_to_copy, buf_size, nvm_offset = 0;
2949	u32 resp, param;
2950	int rc;
2951
2952	nvm_offset |= (port << DRV_MB_PARAM_TRANSCEIVER_PORT_OFFSET) &
2953		       DRV_MB_PARAM_TRANSCEIVER_PORT_MASK;
2954	nvm_offset |= (addr << DRV_MB_PARAM_TRANSCEIVER_I2C_ADDRESS_OFFSET) &
2955		       DRV_MB_PARAM_TRANSCEIVER_I2C_ADDRESS_MASK;
2956
2957	addr = offset;
2958	offset = 0;
2959	bytes_left = len;
2960	while (bytes_left > 0) {
2961		bytes_to_copy = min_t(u32, bytes_left,
2962				      MAX_I2C_TRANSACTION_SIZE);
2963		nvm_offset &= (DRV_MB_PARAM_TRANSCEIVER_I2C_ADDRESS_MASK |
2964			       DRV_MB_PARAM_TRANSCEIVER_PORT_MASK);
2965		nvm_offset |= ((addr + offset) <<
2966			       DRV_MB_PARAM_TRANSCEIVER_OFFSET_OFFSET) &
2967			       DRV_MB_PARAM_TRANSCEIVER_OFFSET_MASK;
2968		nvm_offset |= (bytes_to_copy <<
2969			       DRV_MB_PARAM_TRANSCEIVER_SIZE_OFFSET) &
2970			       DRV_MB_PARAM_TRANSCEIVER_SIZE_MASK;
2971		rc = qed_mcp_nvm_rd_cmd(p_hwfn, p_ptt,
2972					DRV_MSG_CODE_TRANSCEIVER_READ,
2973					nvm_offset, &resp, &param, &buf_size,
2974					(u32 *)(p_buf + offset));
2975		if (rc) {
2976			DP_NOTICE(p_hwfn,
2977				  "Failed to send a transceiver read command to the MFW. rc = %d.\n",
2978				  rc);
2979			return rc;
2980		}
2981
2982		if (resp == FW_MSG_CODE_TRANSCEIVER_NOT_PRESENT)
2983			return -ENODEV;
2984		else if (resp != FW_MSG_CODE_TRANSCEIVER_DIAG_OK)
2985			return -EINVAL;
2986
2987		offset += buf_size;
2988		bytes_left -= buf_size;
2989	}
2990
2991	return 0;
2992}
2993
2994int qed_mcp_bist_register_test(struct qed_hwfn *p_hwfn, struct qed_ptt *p_ptt)
2995{
2996	u32 drv_mb_param = 0, rsp, param;
2997	int rc = 0;
2998
2999	drv_mb_param = (DRV_MB_PARAM_BIST_REGISTER_TEST <<
3000			DRV_MB_PARAM_BIST_TEST_INDEX_SHIFT);
3001
3002	rc = qed_mcp_cmd(p_hwfn, p_ptt, DRV_MSG_CODE_BIST_TEST,
3003			 drv_mb_param, &rsp, &param);
3004
3005	if (rc)
3006		return rc;
3007
3008	if (((rsp & FW_MSG_CODE_MASK) != FW_MSG_CODE_OK) ||
3009	    (param != DRV_MB_PARAM_BIST_RC_PASSED))
3010		rc = -EAGAIN;
3011
3012	return rc;
3013}
3014
3015int qed_mcp_bist_clock_test(struct qed_hwfn *p_hwfn, struct qed_ptt *p_ptt)
3016{
3017	u32 drv_mb_param, rsp, param;
3018	int rc = 0;
3019
3020	drv_mb_param = (DRV_MB_PARAM_BIST_CLOCK_TEST <<
3021			DRV_MB_PARAM_BIST_TEST_INDEX_SHIFT);
3022
3023	rc = qed_mcp_cmd(p_hwfn, p_ptt, DRV_MSG_CODE_BIST_TEST,
3024			 drv_mb_param, &rsp, &param);
3025
3026	if (rc)
3027		return rc;
3028
3029	if (((rsp & FW_MSG_CODE_MASK) != FW_MSG_CODE_OK) ||
3030	    (param != DRV_MB_PARAM_BIST_RC_PASSED))
3031		rc = -EAGAIN;
3032
3033	return rc;
3034}
3035
3036int qed_mcp_bist_nvm_get_num_images(struct qed_hwfn *p_hwfn,
3037				    struct qed_ptt *p_ptt,
3038				    u32 *num_images)
3039{
3040	u32 drv_mb_param = 0, rsp;
3041	int rc = 0;
3042
3043	drv_mb_param = (DRV_MB_PARAM_BIST_NVM_TEST_NUM_IMAGES <<
3044			DRV_MB_PARAM_BIST_TEST_INDEX_SHIFT);
3045
3046	rc = qed_mcp_cmd(p_hwfn, p_ptt, DRV_MSG_CODE_BIST_TEST,
3047			 drv_mb_param, &rsp, num_images);
3048	if (rc)
3049		return rc;
3050
3051	if (((rsp & FW_MSG_CODE_MASK) != FW_MSG_CODE_OK))
 
 
3052		rc = -EINVAL;
3053
3054	return rc;
3055}
3056
3057int qed_mcp_bist_nvm_get_image_att(struct qed_hwfn *p_hwfn,
3058				   struct qed_ptt *p_ptt,
3059				   struct bist_nvm_image_att *p_image_att,
3060				   u32 image_index)
3061{
3062	u32 buf_size = 0, param, resp = 0, resp_param = 0;
3063	int rc;
3064
3065	param = DRV_MB_PARAM_BIST_NVM_TEST_IMAGE_BY_INDEX <<
3066		DRV_MB_PARAM_BIST_TEST_INDEX_SHIFT;
3067	param |= image_index << DRV_MB_PARAM_BIST_TEST_IMAGE_INDEX_SHIFT;
3068
3069	rc = qed_mcp_nvm_rd_cmd(p_hwfn, p_ptt,
3070				DRV_MSG_CODE_BIST_TEST, param,
3071				&resp, &resp_param,
3072				&buf_size,
3073				(u32 *)p_image_att);
3074	if (rc)
3075		return rc;
3076
3077	if (((resp & FW_MSG_CODE_MASK) != FW_MSG_CODE_OK) ||
3078	    (p_image_att->return_code != 1))
3079		rc = -EINVAL;
3080
3081	return rc;
3082}
3083
3084int qed_mcp_nvm_info_populate(struct qed_hwfn *p_hwfn)
3085{
3086	struct qed_nvm_image_info nvm_info;
3087	struct qed_ptt *p_ptt;
3088	int rc;
3089	u32 i;
3090
3091	if (p_hwfn->nvm_info.valid)
3092		return 0;
3093
3094	p_ptt = qed_ptt_acquire(p_hwfn);
3095	if (!p_ptt) {
3096		DP_ERR(p_hwfn, "failed to acquire ptt\n");
3097		return -EBUSY;
3098	}
3099
3100	/* Acquire from MFW the amount of available images */
3101	nvm_info.num_images = 0;
3102	rc = qed_mcp_bist_nvm_get_num_images(p_hwfn,
3103					     p_ptt, &nvm_info.num_images);
3104	if (rc == -EOPNOTSUPP) {
3105		DP_INFO(p_hwfn, "DRV_MSG_CODE_BIST_TEST is not supported\n");
 
3106		goto out;
3107	} else if (rc || !nvm_info.num_images) {
3108		DP_ERR(p_hwfn, "Failed getting number of images\n");
3109		goto err0;
3110	}
3111
3112	nvm_info.image_att = kmalloc_array(nvm_info.num_images,
3113					   sizeof(struct bist_nvm_image_att),
3114					   GFP_KERNEL);
3115	if (!nvm_info.image_att) {
3116		rc = -ENOMEM;
3117		goto err0;
3118	}
3119
3120	/* Iterate over images and get their attributes */
3121	for (i = 0; i < nvm_info.num_images; i++) {
3122		rc = qed_mcp_bist_nvm_get_image_att(p_hwfn, p_ptt,
3123						    &nvm_info.image_att[i], i);
3124		if (rc) {
3125			DP_ERR(p_hwfn,
3126			       "Failed getting image index %d attributes\n", i);
3127			goto err1;
3128		}
3129
3130		DP_VERBOSE(p_hwfn, QED_MSG_SP, "image index %d, size %x\n", i,
3131			   nvm_info.image_att[i].len);
3132	}
3133out:
3134	/* Update hwfn's nvm_info */
3135	if (nvm_info.num_images) {
3136		p_hwfn->nvm_info.num_images = nvm_info.num_images;
3137		kfree(p_hwfn->nvm_info.image_att);
3138		p_hwfn->nvm_info.image_att = nvm_info.image_att;
3139		p_hwfn->nvm_info.valid = true;
3140	}
3141
3142	qed_ptt_release(p_hwfn, p_ptt);
3143	return 0;
3144
3145err1:
3146	kfree(nvm_info.image_att);
3147err0:
3148	qed_ptt_release(p_hwfn, p_ptt);
3149	return rc;
3150}
3151
 
 
 
 
 
 
 
3152int
3153qed_mcp_get_nvm_image_att(struct qed_hwfn *p_hwfn,
3154			  enum qed_nvm_images image_id,
3155			  struct qed_nvm_image_att *p_image_att)
3156{
3157	enum nvm_image_type type;
 
3158	u32 i;
3159
3160	/* Translate image_id into MFW definitions */
3161	switch (image_id) {
3162	case QED_NVM_IMAGE_ISCSI_CFG:
3163		type = NVM_TYPE_ISCSI_CFG;
3164		break;
3165	case QED_NVM_IMAGE_FCOE_CFG:
3166		type = NVM_TYPE_FCOE_CFG;
3167		break;
 
 
 
3168	case QED_NVM_IMAGE_NVM_CFG1:
3169		type = NVM_TYPE_NVM_CFG1;
3170		break;
3171	case QED_NVM_IMAGE_DEFAULT_CFG:
3172		type = NVM_TYPE_DEFAULT_CFG;
3173		break;
3174	case QED_NVM_IMAGE_NVM_META:
3175		type = NVM_TYPE_META;
3176		break;
3177	default:
3178		DP_NOTICE(p_hwfn, "Unknown request of image_id %08x\n",
3179			  image_id);
3180		return -EINVAL;
3181	}
3182
3183	qed_mcp_nvm_info_populate(p_hwfn);
 
 
 
3184	for (i = 0; i < p_hwfn->nvm_info.num_images; i++)
3185		if (type == p_hwfn->nvm_info.image_att[i].image_type)
3186			break;
3187	if (i == p_hwfn->nvm_info.num_images) {
3188		DP_VERBOSE(p_hwfn, QED_MSG_STORAGE,
3189			   "Failed to find nvram image of type %08x\n",
3190			   image_id);
3191		return -ENOENT;
3192	}
3193
3194	p_image_att->start_addr = p_hwfn->nvm_info.image_att[i].nvm_start_addr;
3195	p_image_att->length = p_hwfn->nvm_info.image_att[i].len;
3196
3197	return 0;
3198}
3199
3200int qed_mcp_get_nvm_image(struct qed_hwfn *p_hwfn,
3201			  enum qed_nvm_images image_id,
3202			  u8 *p_buffer, u32 buffer_len)
3203{
3204	struct qed_nvm_image_att image_att;
3205	int rc;
3206
3207	memset(p_buffer, 0, buffer_len);
3208
3209	rc = qed_mcp_get_nvm_image_att(p_hwfn, image_id, &image_att);
3210	if (rc)
3211		return rc;
3212
3213	/* Validate sizes - both the image's and the supplied buffer's */
3214	if (image_att.length <= 4) {
3215		DP_VERBOSE(p_hwfn, QED_MSG_STORAGE,
3216			   "Image [%d] is too small - only %d bytes\n",
3217			   image_id, image_att.length);
3218		return -EINVAL;
3219	}
3220
3221	if (image_att.length > buffer_len) {
3222		DP_VERBOSE(p_hwfn,
3223			   QED_MSG_STORAGE,
3224			   "Image [%d] is too big - %08x bytes where only %08x are available\n",
3225			   image_id, image_att.length, buffer_len);
3226		return -ENOMEM;
3227	}
3228
3229	return qed_mcp_nvm_read(p_hwfn->cdev, image_att.start_addr,
3230				p_buffer, image_att.length);
3231}
3232
3233static enum resource_id_enum qed_mcp_get_mfw_res_id(enum qed_resources res_id)
3234{
3235	enum resource_id_enum mfw_res_id = RESOURCE_NUM_INVALID;
3236
3237	switch (res_id) {
3238	case QED_SB:
3239		mfw_res_id = RESOURCE_NUM_SB_E;
3240		break;
3241	case QED_L2_QUEUE:
3242		mfw_res_id = RESOURCE_NUM_L2_QUEUE_E;
3243		break;
3244	case QED_VPORT:
3245		mfw_res_id = RESOURCE_NUM_VPORT_E;
3246		break;
3247	case QED_RSS_ENG:
3248		mfw_res_id = RESOURCE_NUM_RSS_ENGINES_E;
3249		break;
3250	case QED_PQ:
3251		mfw_res_id = RESOURCE_NUM_PQ_E;
3252		break;
3253	case QED_RL:
3254		mfw_res_id = RESOURCE_NUM_RL_E;
3255		break;
3256	case QED_MAC:
3257	case QED_VLAN:
3258		/* Each VFC resource can accommodate both a MAC and a VLAN */
3259		mfw_res_id = RESOURCE_VFC_FILTER_E;
3260		break;
3261	case QED_ILT:
3262		mfw_res_id = RESOURCE_ILT_E;
3263		break;
3264	case QED_LL2_QUEUE:
3265		mfw_res_id = RESOURCE_LL2_QUEUE_E;
3266		break;
 
 
 
3267	case QED_RDMA_CNQ_RAM:
3268	case QED_CMDQS_CQS:
3269		/* CNQ/CMDQS are the same resource */
3270		mfw_res_id = RESOURCE_CQS_E;
3271		break;
3272	case QED_RDMA_STATS_QUEUE:
3273		mfw_res_id = RESOURCE_RDMA_STATS_QUEUE_E;
3274		break;
3275	case QED_BDQ:
3276		mfw_res_id = RESOURCE_BDQ_E;
3277		break;
3278	default:
3279		break;
3280	}
3281
3282	return mfw_res_id;
3283}
3284
3285#define QED_RESC_ALLOC_VERSION_MAJOR    2
3286#define QED_RESC_ALLOC_VERSION_MINOR    0
3287#define QED_RESC_ALLOC_VERSION				     \
3288	((QED_RESC_ALLOC_VERSION_MAJOR <<		     \
3289	  DRV_MB_PARAM_RESOURCE_ALLOC_VERSION_MAJOR_SHIFT) | \
3290	 (QED_RESC_ALLOC_VERSION_MINOR <<		     \
3291	  DRV_MB_PARAM_RESOURCE_ALLOC_VERSION_MINOR_SHIFT))
3292
3293struct qed_resc_alloc_in_params {
3294	u32 cmd;
3295	enum qed_resources res_id;
3296	u32 resc_max_val;
3297};
3298
3299struct qed_resc_alloc_out_params {
3300	u32 mcp_resp;
3301	u32 mcp_param;
3302	u32 resc_num;
3303	u32 resc_start;
3304	u32 vf_resc_num;
3305	u32 vf_resc_start;
3306	u32 flags;
3307};
3308
3309static int
3310qed_mcp_resc_allocation_msg(struct qed_hwfn *p_hwfn,
3311			    struct qed_ptt *p_ptt,
3312			    struct qed_resc_alloc_in_params *p_in_params,
3313			    struct qed_resc_alloc_out_params *p_out_params)
3314{
3315	struct qed_mcp_mb_params mb_params;
3316	struct resource_info mfw_resc_info;
3317	int rc;
3318
3319	memset(&mfw_resc_info, 0, sizeof(mfw_resc_info));
3320
3321	mfw_resc_info.res_id = qed_mcp_get_mfw_res_id(p_in_params->res_id);
3322	if (mfw_resc_info.res_id == RESOURCE_NUM_INVALID) {
3323		DP_ERR(p_hwfn,
3324		       "Failed to match resource %d [%s] with the MFW resources\n",
3325		       p_in_params->res_id,
3326		       qed_hw_get_resc_name(p_in_params->res_id));
3327		return -EINVAL;
3328	}
3329
3330	switch (p_in_params->cmd) {
3331	case DRV_MSG_SET_RESOURCE_VALUE_MSG:
3332		mfw_resc_info.size = p_in_params->resc_max_val;
3333		/* Fallthrough */
3334	case DRV_MSG_GET_RESOURCE_ALLOC_MSG:
3335		break;
3336	default:
3337		DP_ERR(p_hwfn, "Unexpected resource alloc command [0x%08x]\n",
3338		       p_in_params->cmd);
3339		return -EINVAL;
3340	}
3341
3342	memset(&mb_params, 0, sizeof(mb_params));
3343	mb_params.cmd = p_in_params->cmd;
3344	mb_params.param = QED_RESC_ALLOC_VERSION;
3345	mb_params.p_data_src = &mfw_resc_info;
3346	mb_params.data_src_size = sizeof(mfw_resc_info);
3347	mb_params.p_data_dst = mb_params.p_data_src;
3348	mb_params.data_dst_size = mb_params.data_src_size;
3349
3350	DP_VERBOSE(p_hwfn,
3351		   QED_MSG_SP,
3352		   "Resource message request: cmd 0x%08x, res_id %d [%s], hsi_version %d.%d, val 0x%x\n",
3353		   p_in_params->cmd,
3354		   p_in_params->res_id,
3355		   qed_hw_get_resc_name(p_in_params->res_id),
3356		   QED_MFW_GET_FIELD(mb_params.param,
3357				     DRV_MB_PARAM_RESOURCE_ALLOC_VERSION_MAJOR),
3358		   QED_MFW_GET_FIELD(mb_params.param,
3359				     DRV_MB_PARAM_RESOURCE_ALLOC_VERSION_MINOR),
3360		   p_in_params->resc_max_val);
3361
3362	rc = qed_mcp_cmd_and_union(p_hwfn, p_ptt, &mb_params);
3363	if (rc)
3364		return rc;
3365
3366	p_out_params->mcp_resp = mb_params.mcp_resp;
3367	p_out_params->mcp_param = mb_params.mcp_param;
3368	p_out_params->resc_num = mfw_resc_info.size;
3369	p_out_params->resc_start = mfw_resc_info.offset;
3370	p_out_params->vf_resc_num = mfw_resc_info.vf_size;
3371	p_out_params->vf_resc_start = mfw_resc_info.vf_offset;
3372	p_out_params->flags = mfw_resc_info.flags;
3373
3374	DP_VERBOSE(p_hwfn,
3375		   QED_MSG_SP,
3376		   "Resource message response: mfw_hsi_version %d.%d, num 0x%x, start 0x%x, vf_num 0x%x, vf_start 0x%x, flags 0x%08x\n",
3377		   QED_MFW_GET_FIELD(p_out_params->mcp_param,
3378				     FW_MB_PARAM_RESOURCE_ALLOC_VERSION_MAJOR),
3379		   QED_MFW_GET_FIELD(p_out_params->mcp_param,
3380				     FW_MB_PARAM_RESOURCE_ALLOC_VERSION_MINOR),
3381		   p_out_params->resc_num,
3382		   p_out_params->resc_start,
3383		   p_out_params->vf_resc_num,
3384		   p_out_params->vf_resc_start, p_out_params->flags);
3385
3386	return 0;
3387}
3388
3389int
3390qed_mcp_set_resc_max_val(struct qed_hwfn *p_hwfn,
3391			 struct qed_ptt *p_ptt,
3392			 enum qed_resources res_id,
3393			 u32 resc_max_val, u32 *p_mcp_resp)
3394{
3395	struct qed_resc_alloc_out_params out_params;
3396	struct qed_resc_alloc_in_params in_params;
3397	int rc;
3398
3399	memset(&in_params, 0, sizeof(in_params));
3400	in_params.cmd = DRV_MSG_SET_RESOURCE_VALUE_MSG;
3401	in_params.res_id = res_id;
3402	in_params.resc_max_val = resc_max_val;
3403	memset(&out_params, 0, sizeof(out_params));
3404	rc = qed_mcp_resc_allocation_msg(p_hwfn, p_ptt, &in_params,
3405					 &out_params);
3406	if (rc)
3407		return rc;
3408
3409	*p_mcp_resp = out_params.mcp_resp;
3410
3411	return 0;
3412}
3413
3414int
3415qed_mcp_get_resc_info(struct qed_hwfn *p_hwfn,
3416		      struct qed_ptt *p_ptt,
3417		      enum qed_resources res_id,
3418		      u32 *p_mcp_resp, u32 *p_resc_num, u32 *p_resc_start)
3419{
3420	struct qed_resc_alloc_out_params out_params;
3421	struct qed_resc_alloc_in_params in_params;
3422	int rc;
3423
3424	memset(&in_params, 0, sizeof(in_params));
3425	in_params.cmd = DRV_MSG_GET_RESOURCE_ALLOC_MSG;
3426	in_params.res_id = res_id;
3427	memset(&out_params, 0, sizeof(out_params));
3428	rc = qed_mcp_resc_allocation_msg(p_hwfn, p_ptt, &in_params,
3429					 &out_params);
3430	if (rc)
3431		return rc;
3432
3433	*p_mcp_resp = out_params.mcp_resp;
3434
3435	if (*p_mcp_resp == FW_MSG_CODE_RESOURCE_ALLOC_OK) {
3436		*p_resc_num = out_params.resc_num;
3437		*p_resc_start = out_params.resc_start;
3438	}
3439
3440	return 0;
3441}
3442
3443int qed_mcp_initiate_pf_flr(struct qed_hwfn *p_hwfn, struct qed_ptt *p_ptt)
3444{
3445	u32 mcp_resp, mcp_param;
3446
3447	return qed_mcp_cmd(p_hwfn, p_ptt, DRV_MSG_CODE_INITIATE_PF_FLR, 0,
3448			   &mcp_resp, &mcp_param);
3449}
3450
3451static int qed_mcp_resource_cmd(struct qed_hwfn *p_hwfn,
3452				struct qed_ptt *p_ptt,
3453				u32 param, u32 *p_mcp_resp, u32 *p_mcp_param)
3454{
3455	int rc;
3456
3457	rc = qed_mcp_cmd(p_hwfn, p_ptt, DRV_MSG_CODE_RESOURCE_CMD, param,
3458			 p_mcp_resp, p_mcp_param);
3459	if (rc)
3460		return rc;
3461
3462	if (*p_mcp_resp == FW_MSG_CODE_UNSUPPORTED) {
3463		DP_INFO(p_hwfn,
3464			"The resource command is unsupported by the MFW\n");
3465		return -EINVAL;
3466	}
3467
3468	if (*p_mcp_param == RESOURCE_OPCODE_UNKNOWN_CMD) {
3469		u8 opcode = QED_MFW_GET_FIELD(param, RESOURCE_CMD_REQ_OPCODE);
3470
3471		DP_NOTICE(p_hwfn,
3472			  "The resource command is unknown to the MFW [param 0x%08x, opcode %d]\n",
3473			  param, opcode);
3474		return -EINVAL;
3475	}
3476
3477	return rc;
3478}
3479
3480static int
3481__qed_mcp_resc_lock(struct qed_hwfn *p_hwfn,
3482		    struct qed_ptt *p_ptt,
3483		    struct qed_resc_lock_params *p_params)
3484{
3485	u32 param = 0, mcp_resp, mcp_param;
3486	u8 opcode;
3487	int rc;
3488
3489	switch (p_params->timeout) {
3490	case QED_MCP_RESC_LOCK_TO_DEFAULT:
3491		opcode = RESOURCE_OPCODE_REQ;
3492		p_params->timeout = 0;
3493		break;
3494	case QED_MCP_RESC_LOCK_TO_NONE:
3495		opcode = RESOURCE_OPCODE_REQ_WO_AGING;
3496		p_params->timeout = 0;
3497		break;
3498	default:
3499		opcode = RESOURCE_OPCODE_REQ_W_AGING;
3500		break;
3501	}
3502
3503	QED_MFW_SET_FIELD(param, RESOURCE_CMD_REQ_RESC, p_params->resource);
3504	QED_MFW_SET_FIELD(param, RESOURCE_CMD_REQ_OPCODE, opcode);
3505	QED_MFW_SET_FIELD(param, RESOURCE_CMD_REQ_AGE, p_params->timeout);
3506
3507	DP_VERBOSE(p_hwfn,
3508		   QED_MSG_SP,
3509		   "Resource lock request: param 0x%08x [age %d, opcode %d, resource %d]\n",
3510		   param, p_params->timeout, opcode, p_params->resource);
3511
3512	/* Attempt to acquire the resource */
3513	rc = qed_mcp_resource_cmd(p_hwfn, p_ptt, param, &mcp_resp, &mcp_param);
3514	if (rc)
3515		return rc;
3516
3517	/* Analyze the response */
3518	p_params->owner = QED_MFW_GET_FIELD(mcp_param, RESOURCE_CMD_RSP_OWNER);
3519	opcode = QED_MFW_GET_FIELD(mcp_param, RESOURCE_CMD_RSP_OPCODE);
3520
3521	DP_VERBOSE(p_hwfn,
3522		   QED_MSG_SP,
3523		   "Resource lock response: mcp_param 0x%08x [opcode %d, owner %d]\n",
3524		   mcp_param, opcode, p_params->owner);
3525
3526	switch (opcode) {
3527	case RESOURCE_OPCODE_GNT:
3528		p_params->b_granted = true;
3529		break;
3530	case RESOURCE_OPCODE_BUSY:
3531		p_params->b_granted = false;
3532		break;
3533	default:
3534		DP_NOTICE(p_hwfn,
3535			  "Unexpected opcode in resource lock response [mcp_param 0x%08x, opcode %d]\n",
3536			  mcp_param, opcode);
3537		return -EINVAL;
3538	}
3539
3540	return 0;
3541}
3542
3543int
3544qed_mcp_resc_lock(struct qed_hwfn *p_hwfn,
3545		  struct qed_ptt *p_ptt, struct qed_resc_lock_params *p_params)
3546{
3547	u32 retry_cnt = 0;
3548	int rc;
3549
3550	do {
3551		/* No need for an interval before the first iteration */
3552		if (retry_cnt) {
3553			if (p_params->sleep_b4_retry) {
3554				u16 retry_interval_in_ms =
3555				    DIV_ROUND_UP(p_params->retry_interval,
3556						 1000);
3557
3558				msleep(retry_interval_in_ms);
3559			} else {
3560				udelay(p_params->retry_interval);
3561			}
3562		}
3563
3564		rc = __qed_mcp_resc_lock(p_hwfn, p_ptt, p_params);
3565		if (rc)
3566			return rc;
3567
3568		if (p_params->b_granted)
3569			break;
3570	} while (retry_cnt++ < p_params->retry_num);
3571
3572	return 0;
3573}
3574
3575int
3576qed_mcp_resc_unlock(struct qed_hwfn *p_hwfn,
3577		    struct qed_ptt *p_ptt,
3578		    struct qed_resc_unlock_params *p_params)
3579{
3580	u32 param = 0, mcp_resp, mcp_param;
3581	u8 opcode;
3582	int rc;
3583
3584	opcode = p_params->b_force ? RESOURCE_OPCODE_FORCE_RELEASE
3585				   : RESOURCE_OPCODE_RELEASE;
3586	QED_MFW_SET_FIELD(param, RESOURCE_CMD_REQ_RESC, p_params->resource);
3587	QED_MFW_SET_FIELD(param, RESOURCE_CMD_REQ_OPCODE, opcode);
3588
3589	DP_VERBOSE(p_hwfn, QED_MSG_SP,
3590		   "Resource unlock request: param 0x%08x [opcode %d, resource %d]\n",
3591		   param, opcode, p_params->resource);
3592
3593	/* Attempt to release the resource */
3594	rc = qed_mcp_resource_cmd(p_hwfn, p_ptt, param, &mcp_resp, &mcp_param);
3595	if (rc)
3596		return rc;
3597
3598	/* Analyze the response */
3599	opcode = QED_MFW_GET_FIELD(mcp_param, RESOURCE_CMD_RSP_OPCODE);
3600
3601	DP_VERBOSE(p_hwfn, QED_MSG_SP,
3602		   "Resource unlock response: mcp_param 0x%08x [opcode %d]\n",
3603		   mcp_param, opcode);
3604
3605	switch (opcode) {
3606	case RESOURCE_OPCODE_RELEASED_PREVIOUS:
3607		DP_INFO(p_hwfn,
3608			"Resource unlock request for an already released resource [%d]\n",
3609			p_params->resource);
3610		/* Fallthrough */
3611	case RESOURCE_OPCODE_RELEASED:
3612		p_params->b_released = true;
3613		break;
3614	case RESOURCE_OPCODE_WRONG_OWNER:
3615		p_params->b_released = false;
3616		break;
3617	default:
3618		DP_NOTICE(p_hwfn,
3619			  "Unexpected opcode in resource unlock response [mcp_param 0x%08x, opcode %d]\n",
3620			  mcp_param, opcode);
3621		return -EINVAL;
3622	}
3623
3624	return 0;
3625}
3626
3627void qed_mcp_resc_lock_default_init(struct qed_resc_lock_params *p_lock,
3628				    struct qed_resc_unlock_params *p_unlock,
3629				    enum qed_resc_lock
3630				    resource, bool b_is_permanent)
3631{
3632	if (p_lock) {
3633		memset(p_lock, 0, sizeof(*p_lock));
3634
3635		/* Permanent resources don't require aging, and there's no
3636		 * point in trying to acquire them more than once since it's
3637		 * unexpected another entity would release them.
3638		 */
3639		if (b_is_permanent) {
3640			p_lock->timeout = QED_MCP_RESC_LOCK_TO_NONE;
3641		} else {
3642			p_lock->retry_num = QED_MCP_RESC_LOCK_RETRY_CNT_DFLT;
3643			p_lock->retry_interval =
3644			    QED_MCP_RESC_LOCK_RETRY_VAL_DFLT;
3645			p_lock->sleep_b4_retry = true;
3646		}
3647
3648		p_lock->resource = resource;
3649	}
3650
3651	if (p_unlock) {
3652		memset(p_unlock, 0, sizeof(*p_unlock));
3653		p_unlock->resource = resource;
3654	}
3655}
3656
3657bool qed_mcp_is_smart_an_supported(struct qed_hwfn *p_hwfn)
3658{
3659	return !!(p_hwfn->mcp_info->capabilities &
3660		  FW_MB_PARAM_FEATURE_SUPPORT_SMARTLINQ);
3661}
3662
3663int qed_mcp_get_capabilities(struct qed_hwfn *p_hwfn, struct qed_ptt *p_ptt)
3664{
3665	u32 mcp_resp;
3666	int rc;
3667
3668	rc = qed_mcp_cmd(p_hwfn, p_ptt, DRV_MSG_CODE_GET_MFW_FEATURE_SUPPORT,
3669			 0, &mcp_resp, &p_hwfn->mcp_info->capabilities);
3670	if (!rc)
3671		DP_VERBOSE(p_hwfn, (QED_MSG_SP | NETIF_MSG_PROBE),
3672			   "MFW supported features: %08x\n",
3673			   p_hwfn->mcp_info->capabilities);
3674
3675	return rc;
3676}
3677
3678int qed_mcp_set_capabilities(struct qed_hwfn *p_hwfn, struct qed_ptt *p_ptt)
3679{
3680	u32 mcp_resp, mcp_param, features;
3681
3682	features = DRV_MB_PARAM_FEATURE_SUPPORT_PORT_EEE |
3683		   DRV_MB_PARAM_FEATURE_SUPPORT_FUNC_VLINK;
 
3684
3685	return qed_mcp_cmd(p_hwfn, p_ptt, DRV_MSG_CODE_FEATURE_SUPPORT,
3686			   features, &mcp_resp, &mcp_param);
3687}
3688
3689int qed_mcp_get_engine_config(struct qed_hwfn *p_hwfn, struct qed_ptt *p_ptt)
3690{
3691	struct qed_mcp_mb_params mb_params = {0};
3692	struct qed_dev *cdev = p_hwfn->cdev;
3693	u8 fir_valid, l2_valid;
3694	int rc;
3695
3696	mb_params.cmd = DRV_MSG_CODE_GET_ENGINE_CONFIG;
3697	rc = qed_mcp_cmd_and_union(p_hwfn, p_ptt, &mb_params);
3698	if (rc)
3699		return rc;
3700
3701	if (mb_params.mcp_resp == FW_MSG_CODE_UNSUPPORTED) {
3702		DP_INFO(p_hwfn,
3703			"The get_engine_config command is unsupported by the MFW\n");
3704		return -EOPNOTSUPP;
3705	}
3706
3707	fir_valid = QED_MFW_GET_FIELD(mb_params.mcp_param,
3708				      FW_MB_PARAM_ENG_CFG_FIR_AFFIN_VALID);
3709	if (fir_valid)
3710		cdev->fir_affin =
3711		    QED_MFW_GET_FIELD(mb_params.mcp_param,
3712				      FW_MB_PARAM_ENG_CFG_FIR_AFFIN_VALUE);
3713
3714	l2_valid = QED_MFW_GET_FIELD(mb_params.mcp_param,
3715				     FW_MB_PARAM_ENG_CFG_L2_AFFIN_VALID);
3716	if (l2_valid)
3717		cdev->l2_affin_hint =
3718		    QED_MFW_GET_FIELD(mb_params.mcp_param,
3719				      FW_MB_PARAM_ENG_CFG_L2_AFFIN_VALUE);
3720
3721	DP_INFO(p_hwfn,
3722		"Engine affinity config: FIR={valid %hhd, value %hhd}, L2_hint={valid %hhd, value %hhd}\n",
3723		fir_valid, cdev->fir_affin, l2_valid, cdev->l2_affin_hint);
3724
3725	return 0;
3726}
3727
3728int qed_mcp_get_ppfid_bitmap(struct qed_hwfn *p_hwfn, struct qed_ptt *p_ptt)
3729{
3730	struct qed_mcp_mb_params mb_params = {0};
3731	struct qed_dev *cdev = p_hwfn->cdev;
3732	int rc;
3733
3734	mb_params.cmd = DRV_MSG_CODE_GET_PPFID_BITMAP;
3735	rc = qed_mcp_cmd_and_union(p_hwfn, p_ptt, &mb_params);
3736	if (rc)
3737		return rc;
3738
3739	if (mb_params.mcp_resp == FW_MSG_CODE_UNSUPPORTED) {
3740		DP_INFO(p_hwfn,
3741			"The get_ppfid_bitmap command is unsupported by the MFW\n");
3742		return -EOPNOTSUPP;
3743	}
3744
3745	cdev->ppfid_bitmap = QED_MFW_GET_FIELD(mb_params.mcp_param,
3746					       FW_MB_PARAM_PPFID_BITMAP);
3747
3748	DP_VERBOSE(p_hwfn, QED_MSG_SP, "PPFID bitmap 0x%hhx\n",
3749		   cdev->ppfid_bitmap);
3750
3751	return 0;
3752}
3753
3754int qed_mcp_nvm_get_cfg(struct qed_hwfn *p_hwfn, struct qed_ptt *p_ptt,
3755			u16 option_id, u8 entity_id, u16 flags, u8 *p_buf,
3756			u32 *p_len)
3757{
3758	u32 mb_param = 0, resp, param;
3759	int rc;
3760
3761	QED_MFW_SET_FIELD(mb_param, DRV_MB_PARAM_NVM_CFG_OPTION_ID, option_id);
3762	if (flags & QED_NVM_CFG_OPTION_INIT)
3763		QED_MFW_SET_FIELD(mb_param,
3764				  DRV_MB_PARAM_NVM_CFG_OPTION_INIT, 1);
3765	if (flags & QED_NVM_CFG_OPTION_FREE)
3766		QED_MFW_SET_FIELD(mb_param,
3767				  DRV_MB_PARAM_NVM_CFG_OPTION_FREE, 1);
3768	if (flags & QED_NVM_CFG_OPTION_ENTITY_SEL) {
3769		QED_MFW_SET_FIELD(mb_param,
3770				  DRV_MB_PARAM_NVM_CFG_OPTION_ENTITY_SEL, 1);
3771		QED_MFW_SET_FIELD(mb_param,
3772				  DRV_MB_PARAM_NVM_CFG_OPTION_ENTITY_ID,
3773				  entity_id);
3774	}
3775
3776	rc = qed_mcp_nvm_rd_cmd(p_hwfn, p_ptt,
3777				DRV_MSG_CODE_GET_NVM_CFG_OPTION,
3778				mb_param, &resp, &param, p_len, (u32 *)p_buf);
 
3779
3780	return rc;
3781}
3782
3783int qed_mcp_nvm_set_cfg(struct qed_hwfn *p_hwfn, struct qed_ptt *p_ptt,
3784			u16 option_id, u8 entity_id, u16 flags, u8 *p_buf,
3785			u32 len)
3786{
3787	u32 mb_param = 0, resp, param;
3788
3789	QED_MFW_SET_FIELD(mb_param, DRV_MB_PARAM_NVM_CFG_OPTION_ID, option_id);
3790	if (flags & QED_NVM_CFG_OPTION_ALL)
3791		QED_MFW_SET_FIELD(mb_param,
3792				  DRV_MB_PARAM_NVM_CFG_OPTION_ALL, 1);
3793	if (flags & QED_NVM_CFG_OPTION_INIT)
3794		QED_MFW_SET_FIELD(mb_param,
3795				  DRV_MB_PARAM_NVM_CFG_OPTION_INIT, 1);
3796	if (flags & QED_NVM_CFG_OPTION_COMMIT)
3797		QED_MFW_SET_FIELD(mb_param,
3798				  DRV_MB_PARAM_NVM_CFG_OPTION_COMMIT, 1);
3799	if (flags & QED_NVM_CFG_OPTION_FREE)
3800		QED_MFW_SET_FIELD(mb_param,
3801				  DRV_MB_PARAM_NVM_CFG_OPTION_FREE, 1);
3802	if (flags & QED_NVM_CFG_OPTION_ENTITY_SEL) {
3803		QED_MFW_SET_FIELD(mb_param,
3804				  DRV_MB_PARAM_NVM_CFG_OPTION_ENTITY_SEL, 1);
3805		QED_MFW_SET_FIELD(mb_param,
3806				  DRV_MB_PARAM_NVM_CFG_OPTION_ENTITY_ID,
3807				  entity_id);
3808	}
3809
3810	return qed_mcp_nvm_wr_cmd(p_hwfn, p_ptt,
3811				  DRV_MSG_CODE_SET_NVM_CFG_OPTION,
3812				  mb_param, &resp, &param, len, (u32 *)p_buf);
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
3813}