cachepc-linux

Fork of AMDESE/linux with modifications for CachePC side-channel attack
git clone https://git.sinitax.com/sinitax/cachepc-linux
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qed_dev.c (148028B)


      1// SPDX-License-Identifier: (GPL-2.0-only OR BSD-3-Clause)
      2/* QLogic qed NIC Driver
      3 * Copyright (c) 2015-2017  QLogic Corporation
      4 * Copyright (c) 2019-2020 Marvell International Ltd.
      5 */
      6
      7#include <linux/types.h>
      8#include <asm/byteorder.h>
      9#include <linux/io.h>
     10#include <linux/delay.h>
     11#include <linux/dma-mapping.h>
     12#include <linux/errno.h>
     13#include <linux/kernel.h>
     14#include <linux/mutex.h>
     15#include <linux/pci.h>
     16#include <linux/slab.h>
     17#include <linux/string.h>
     18#include <linux/vmalloc.h>
     19#include <linux/etherdevice.h>
     20#include <linux/qed/qed_chain.h>
     21#include <linux/qed/qed_if.h>
     22#include "qed.h"
     23#include "qed_cxt.h"
     24#include "qed_dcbx.h"
     25#include "qed_dev_api.h"
     26#include "qed_fcoe.h"
     27#include "qed_hsi.h"
     28#include "qed_iro_hsi.h"
     29#include "qed_hw.h"
     30#include "qed_init_ops.h"
     31#include "qed_int.h"
     32#include "qed_iscsi.h"
     33#include "qed_ll2.h"
     34#include "qed_mcp.h"
     35#include "qed_ooo.h"
     36#include "qed_reg_addr.h"
     37#include "qed_sp.h"
     38#include "qed_sriov.h"
     39#include "qed_vf.h"
     40#include "qed_rdma.h"
     41#include "qed_nvmetcp.h"
     42
     43static DEFINE_SPINLOCK(qm_lock);
     44
     45/******************** Doorbell Recovery *******************/
     46/* The doorbell recovery mechanism consists of a list of entries which represent
     47 * doorbelling entities (l2 queues, roce sq/rq/cqs, the slowpath spq, etc). Each
     48 * entity needs to register with the mechanism and provide the parameters
     49 * describing it's doorbell, including a location where last used doorbell data
     50 * can be found. The doorbell execute function will traverse the list and
     51 * doorbell all of the registered entries.
     52 */
     53struct qed_db_recovery_entry {
     54	struct list_head list_entry;
     55	void __iomem *db_addr;
     56	void *db_data;
     57	enum qed_db_rec_width db_width;
     58	enum qed_db_rec_space db_space;
     59	u8 hwfn_idx;
     60};
     61
     62/* Display a single doorbell recovery entry */
     63static void qed_db_recovery_dp_entry(struct qed_hwfn *p_hwfn,
     64				     struct qed_db_recovery_entry *db_entry,
     65				     char *action)
     66{
     67	DP_VERBOSE(p_hwfn,
     68		   QED_MSG_SPQ,
     69		   "(%s: db_entry %p, addr %p, data %p, width %s, %s space, hwfn %d)\n",
     70		   action,
     71		   db_entry,
     72		   db_entry->db_addr,
     73		   db_entry->db_data,
     74		   db_entry->db_width == DB_REC_WIDTH_32B ? "32b" : "64b",
     75		   db_entry->db_space == DB_REC_USER ? "user" : "kernel",
     76		   db_entry->hwfn_idx);
     77}
     78
     79/* Doorbell address sanity (address within doorbell bar range) */
     80static bool qed_db_rec_sanity(struct qed_dev *cdev,
     81			      void __iomem *db_addr,
     82			      enum qed_db_rec_width db_width,
     83			      void *db_data)
     84{
     85	u32 width = (db_width == DB_REC_WIDTH_32B) ? 32 : 64;
     86
     87	/* Make sure doorbell address is within the doorbell bar */
     88	if (db_addr < cdev->doorbells ||
     89	    (u8 __iomem *)db_addr + width >
     90	    (u8 __iomem *)cdev->doorbells + cdev->db_size) {
     91		WARN(true,
     92		     "Illegal doorbell address: %p. Legal range for doorbell addresses is [%p..%p]\n",
     93		     db_addr,
     94		     cdev->doorbells,
     95		     (u8 __iomem *)cdev->doorbells + cdev->db_size);
     96		return false;
     97	}
     98
     99	/* ake sure doorbell data pointer is not null */
    100	if (!db_data) {
    101		WARN(true, "Illegal doorbell data pointer: %p", db_data);
    102		return false;
    103	}
    104
    105	return true;
    106}
    107
    108/* Find hwfn according to the doorbell address */
    109static struct qed_hwfn *qed_db_rec_find_hwfn(struct qed_dev *cdev,
    110					     void __iomem *db_addr)
    111{
    112	struct qed_hwfn *p_hwfn;
    113
    114	/* In CMT doorbell bar is split down the middle between engine 0 and enigne 1 */
    115	if (cdev->num_hwfns > 1)
    116		p_hwfn = db_addr < cdev->hwfns[1].doorbells ?
    117		    &cdev->hwfns[0] : &cdev->hwfns[1];
    118	else
    119		p_hwfn = QED_LEADING_HWFN(cdev);
    120
    121	return p_hwfn;
    122}
    123
    124/* Add a new entry to the doorbell recovery mechanism */
    125int qed_db_recovery_add(struct qed_dev *cdev,
    126			void __iomem *db_addr,
    127			void *db_data,
    128			enum qed_db_rec_width db_width,
    129			enum qed_db_rec_space db_space)
    130{
    131	struct qed_db_recovery_entry *db_entry;
    132	struct qed_hwfn *p_hwfn;
    133
    134	/* Shortcircuit VFs, for now */
    135	if (IS_VF(cdev)) {
    136		DP_VERBOSE(cdev,
    137			   QED_MSG_IOV, "db recovery - skipping VF doorbell\n");
    138		return 0;
    139	}
    140
    141	/* Sanitize doorbell address */
    142	if (!qed_db_rec_sanity(cdev, db_addr, db_width, db_data))
    143		return -EINVAL;
    144
    145	/* Obtain hwfn from doorbell address */
    146	p_hwfn = qed_db_rec_find_hwfn(cdev, db_addr);
    147
    148	/* Create entry */
    149	db_entry = kzalloc(sizeof(*db_entry), GFP_KERNEL);
    150	if (!db_entry) {
    151		DP_NOTICE(cdev, "Failed to allocate a db recovery entry\n");
    152		return -ENOMEM;
    153	}
    154
    155	/* Populate entry */
    156	db_entry->db_addr = db_addr;
    157	db_entry->db_data = db_data;
    158	db_entry->db_width = db_width;
    159	db_entry->db_space = db_space;
    160	db_entry->hwfn_idx = p_hwfn->my_id;
    161
    162	/* Display */
    163	qed_db_recovery_dp_entry(p_hwfn, db_entry, "Adding");
    164
    165	/* Protect the list */
    166	spin_lock_bh(&p_hwfn->db_recovery_info.lock);
    167	list_add_tail(&db_entry->list_entry, &p_hwfn->db_recovery_info.list);
    168	spin_unlock_bh(&p_hwfn->db_recovery_info.lock);
    169
    170	return 0;
    171}
    172
    173/* Remove an entry from the doorbell recovery mechanism */
    174int qed_db_recovery_del(struct qed_dev *cdev,
    175			void __iomem *db_addr, void *db_data)
    176{
    177	struct qed_db_recovery_entry *db_entry = NULL;
    178	struct qed_hwfn *p_hwfn;
    179	int rc = -EINVAL;
    180
    181	/* Shortcircuit VFs, for now */
    182	if (IS_VF(cdev)) {
    183		DP_VERBOSE(cdev,
    184			   QED_MSG_IOV, "db recovery - skipping VF doorbell\n");
    185		return 0;
    186	}
    187
    188	/* Obtain hwfn from doorbell address */
    189	p_hwfn = qed_db_rec_find_hwfn(cdev, db_addr);
    190
    191	/* Protect the list */
    192	spin_lock_bh(&p_hwfn->db_recovery_info.lock);
    193	list_for_each_entry(db_entry,
    194			    &p_hwfn->db_recovery_info.list, list_entry) {
    195		/* search according to db_data addr since db_addr is not unique (roce) */
    196		if (db_entry->db_data == db_data) {
    197			qed_db_recovery_dp_entry(p_hwfn, db_entry, "Deleting");
    198			list_del(&db_entry->list_entry);
    199			rc = 0;
    200			break;
    201		}
    202	}
    203
    204	spin_unlock_bh(&p_hwfn->db_recovery_info.lock);
    205
    206	if (rc == -EINVAL)
    207
    208		DP_NOTICE(p_hwfn,
    209			  "Failed to find element in list. Key (db_data addr) was %p. db_addr was %p\n",
    210			  db_data, db_addr);
    211	else
    212		kfree(db_entry);
    213
    214	return rc;
    215}
    216
    217/* Initialize the doorbell recovery mechanism */
    218static int qed_db_recovery_setup(struct qed_hwfn *p_hwfn)
    219{
    220	DP_VERBOSE(p_hwfn, QED_MSG_SPQ, "Setting up db recovery\n");
    221
    222	/* Make sure db_size was set in cdev */
    223	if (!p_hwfn->cdev->db_size) {
    224		DP_ERR(p_hwfn->cdev, "db_size not set\n");
    225		return -EINVAL;
    226	}
    227
    228	INIT_LIST_HEAD(&p_hwfn->db_recovery_info.list);
    229	spin_lock_init(&p_hwfn->db_recovery_info.lock);
    230	p_hwfn->db_recovery_info.db_recovery_counter = 0;
    231
    232	return 0;
    233}
    234
    235/* Destroy the doorbell recovery mechanism */
    236static void qed_db_recovery_teardown(struct qed_hwfn *p_hwfn)
    237{
    238	struct qed_db_recovery_entry *db_entry = NULL;
    239
    240	DP_VERBOSE(p_hwfn, QED_MSG_SPQ, "Tearing down db recovery\n");
    241	if (!list_empty(&p_hwfn->db_recovery_info.list)) {
    242		DP_VERBOSE(p_hwfn,
    243			   QED_MSG_SPQ,
    244			   "Doorbell Recovery teardown found the doorbell recovery list was not empty (Expected in disorderly driver unload (e.g. recovery) otherwise this probably means some flow forgot to db_recovery_del). Prepare to purge doorbell recovery list...\n");
    245		while (!list_empty(&p_hwfn->db_recovery_info.list)) {
    246			db_entry =
    247			    list_first_entry(&p_hwfn->db_recovery_info.list,
    248					     struct qed_db_recovery_entry,
    249					     list_entry);
    250			qed_db_recovery_dp_entry(p_hwfn, db_entry, "Purging");
    251			list_del(&db_entry->list_entry);
    252			kfree(db_entry);
    253		}
    254	}
    255	p_hwfn->db_recovery_info.db_recovery_counter = 0;
    256}
    257
    258/* Print the content of the doorbell recovery mechanism */
    259void qed_db_recovery_dp(struct qed_hwfn *p_hwfn)
    260{
    261	struct qed_db_recovery_entry *db_entry = NULL;
    262
    263	DP_NOTICE(p_hwfn,
    264		  "Displaying doorbell recovery database. Counter was %d\n",
    265		  p_hwfn->db_recovery_info.db_recovery_counter);
    266
    267	/* Protect the list */
    268	spin_lock_bh(&p_hwfn->db_recovery_info.lock);
    269	list_for_each_entry(db_entry,
    270			    &p_hwfn->db_recovery_info.list, list_entry) {
    271		qed_db_recovery_dp_entry(p_hwfn, db_entry, "Printing");
    272	}
    273
    274	spin_unlock_bh(&p_hwfn->db_recovery_info.lock);
    275}
    276
    277/* Ring the doorbell of a single doorbell recovery entry */
    278static void qed_db_recovery_ring(struct qed_hwfn *p_hwfn,
    279				 struct qed_db_recovery_entry *db_entry)
    280{
    281	/* Print according to width */
    282	if (db_entry->db_width == DB_REC_WIDTH_32B) {
    283		DP_VERBOSE(p_hwfn, QED_MSG_SPQ,
    284			   "ringing doorbell address %p data %x\n",
    285			   db_entry->db_addr,
    286			   *(u32 *)db_entry->db_data);
    287	} else {
    288		DP_VERBOSE(p_hwfn, QED_MSG_SPQ,
    289			   "ringing doorbell address %p data %llx\n",
    290			   db_entry->db_addr,
    291			   *(u64 *)(db_entry->db_data));
    292	}
    293
    294	/* Sanity */
    295	if (!qed_db_rec_sanity(p_hwfn->cdev, db_entry->db_addr,
    296			       db_entry->db_width, db_entry->db_data))
    297		return;
    298
    299	/* Flush the write combined buffer. Since there are multiple doorbelling
    300	 * entities using the same address, if we don't flush, a transaction
    301	 * could be lost.
    302	 */
    303	wmb();
    304
    305	/* Ring the doorbell */
    306	if (db_entry->db_width == DB_REC_WIDTH_32B)
    307		DIRECT_REG_WR(db_entry->db_addr,
    308			      *(u32 *)(db_entry->db_data));
    309	else
    310		DIRECT_REG_WR64(db_entry->db_addr,
    311				*(u64 *)(db_entry->db_data));
    312
    313	/* Flush the write combined buffer. Next doorbell may come from a
    314	 * different entity to the same address...
    315	 */
    316	wmb();
    317}
    318
    319/* Traverse the doorbell recovery entry list and ring all the doorbells */
    320void qed_db_recovery_execute(struct qed_hwfn *p_hwfn)
    321{
    322	struct qed_db_recovery_entry *db_entry = NULL;
    323
    324	DP_NOTICE(p_hwfn, "Executing doorbell recovery. Counter was %d\n",
    325		  p_hwfn->db_recovery_info.db_recovery_counter);
    326
    327	/* Track amount of times recovery was executed */
    328	p_hwfn->db_recovery_info.db_recovery_counter++;
    329
    330	/* Protect the list */
    331	spin_lock_bh(&p_hwfn->db_recovery_info.lock);
    332	list_for_each_entry(db_entry,
    333			    &p_hwfn->db_recovery_info.list, list_entry)
    334		qed_db_recovery_ring(p_hwfn, db_entry);
    335	spin_unlock_bh(&p_hwfn->db_recovery_info.lock);
    336}
    337
    338/******************** Doorbell Recovery end ****************/
    339
    340/********************************** NIG LLH ***********************************/
    341
    342enum qed_llh_filter_type {
    343	QED_LLH_FILTER_TYPE_MAC,
    344	QED_LLH_FILTER_TYPE_PROTOCOL,
    345};
    346
    347struct qed_llh_mac_filter {
    348	u8 addr[ETH_ALEN];
    349};
    350
    351struct qed_llh_protocol_filter {
    352	enum qed_llh_prot_filter_type_t type;
    353	u16 source_port_or_eth_type;
    354	u16 dest_port;
    355};
    356
    357union qed_llh_filter {
    358	struct qed_llh_mac_filter mac;
    359	struct qed_llh_protocol_filter protocol;
    360};
    361
    362struct qed_llh_filter_info {
    363	bool b_enabled;
    364	u32 ref_cnt;
    365	enum qed_llh_filter_type type;
    366	union qed_llh_filter filter;
    367};
    368
    369struct qed_llh_info {
    370	/* Number of LLH filters banks */
    371	u8 num_ppfid;
    372
    373#define MAX_NUM_PPFID   8
    374	u8 ppfid_array[MAX_NUM_PPFID];
    375
    376	/* Array of filters arrays:
    377	 * "num_ppfid" elements of filters banks, where each is an array of
    378	 * "NIG_REG_LLH_FUNC_FILTER_EN_SIZE" filters.
    379	 */
    380	struct qed_llh_filter_info **pp_filters;
    381};
    382
    383static void qed_llh_free(struct qed_dev *cdev)
    384{
    385	struct qed_llh_info *p_llh_info = cdev->p_llh_info;
    386	u32 i;
    387
    388	if (p_llh_info) {
    389		if (p_llh_info->pp_filters)
    390			for (i = 0; i < p_llh_info->num_ppfid; i++)
    391				kfree(p_llh_info->pp_filters[i]);
    392
    393		kfree(p_llh_info->pp_filters);
    394	}
    395
    396	kfree(p_llh_info);
    397	cdev->p_llh_info = NULL;
    398}
    399
    400static int qed_llh_alloc(struct qed_dev *cdev)
    401{
    402	struct qed_llh_info *p_llh_info;
    403	u32 size, i;
    404
    405	p_llh_info = kzalloc(sizeof(*p_llh_info), GFP_KERNEL);
    406	if (!p_llh_info)
    407		return -ENOMEM;
    408	cdev->p_llh_info = p_llh_info;
    409
    410	for (i = 0; i < MAX_NUM_PPFID; i++) {
    411		if (!(cdev->ppfid_bitmap & (0x1 << i)))
    412			continue;
    413
    414		p_llh_info->ppfid_array[p_llh_info->num_ppfid] = i;
    415		DP_VERBOSE(cdev, QED_MSG_SP, "ppfid_array[%d] = %hhd\n",
    416			   p_llh_info->num_ppfid, i);
    417		p_llh_info->num_ppfid++;
    418	}
    419
    420	size = p_llh_info->num_ppfid * sizeof(*p_llh_info->pp_filters);
    421	p_llh_info->pp_filters = kzalloc(size, GFP_KERNEL);
    422	if (!p_llh_info->pp_filters)
    423		return -ENOMEM;
    424
    425	size = NIG_REG_LLH_FUNC_FILTER_EN_SIZE *
    426	    sizeof(**p_llh_info->pp_filters);
    427	for (i = 0; i < p_llh_info->num_ppfid; i++) {
    428		p_llh_info->pp_filters[i] = kzalloc(size, GFP_KERNEL);
    429		if (!p_llh_info->pp_filters[i])
    430			return -ENOMEM;
    431	}
    432
    433	return 0;
    434}
    435
    436static int qed_llh_shadow_sanity(struct qed_dev *cdev,
    437				 u8 ppfid, u8 filter_idx, const char *action)
    438{
    439	struct qed_llh_info *p_llh_info = cdev->p_llh_info;
    440
    441	if (ppfid >= p_llh_info->num_ppfid) {
    442		DP_NOTICE(cdev,
    443			  "LLH shadow [%s]: using ppfid %d while only %d ppfids are available\n",
    444			  action, ppfid, p_llh_info->num_ppfid);
    445		return -EINVAL;
    446	}
    447
    448	if (filter_idx >= NIG_REG_LLH_FUNC_FILTER_EN_SIZE) {
    449		DP_NOTICE(cdev,
    450			  "LLH shadow [%s]: using filter_idx %d while only %d filters are available\n",
    451			  action, filter_idx, NIG_REG_LLH_FUNC_FILTER_EN_SIZE);
    452		return -EINVAL;
    453	}
    454
    455	return 0;
    456}
    457
    458#define QED_LLH_INVALID_FILTER_IDX      0xff
    459
    460static int
    461qed_llh_shadow_search_filter(struct qed_dev *cdev,
    462			     u8 ppfid,
    463			     union qed_llh_filter *p_filter, u8 *p_filter_idx)
    464{
    465	struct qed_llh_info *p_llh_info = cdev->p_llh_info;
    466	struct qed_llh_filter_info *p_filters;
    467	int rc;
    468	u8 i;
    469
    470	rc = qed_llh_shadow_sanity(cdev, ppfid, 0, "search");
    471	if (rc)
    472		return rc;
    473
    474	*p_filter_idx = QED_LLH_INVALID_FILTER_IDX;
    475
    476	p_filters = p_llh_info->pp_filters[ppfid];
    477	for (i = 0; i < NIG_REG_LLH_FUNC_FILTER_EN_SIZE; i++) {
    478		if (!memcmp(p_filter, &p_filters[i].filter,
    479			    sizeof(*p_filter))) {
    480			*p_filter_idx = i;
    481			break;
    482		}
    483	}
    484
    485	return 0;
    486}
    487
    488static int
    489qed_llh_shadow_get_free_idx(struct qed_dev *cdev, u8 ppfid, u8 *p_filter_idx)
    490{
    491	struct qed_llh_info *p_llh_info = cdev->p_llh_info;
    492	struct qed_llh_filter_info *p_filters;
    493	int rc;
    494	u8 i;
    495
    496	rc = qed_llh_shadow_sanity(cdev, ppfid, 0, "get_free_idx");
    497	if (rc)
    498		return rc;
    499
    500	*p_filter_idx = QED_LLH_INVALID_FILTER_IDX;
    501
    502	p_filters = p_llh_info->pp_filters[ppfid];
    503	for (i = 0; i < NIG_REG_LLH_FUNC_FILTER_EN_SIZE; i++) {
    504		if (!p_filters[i].b_enabled) {
    505			*p_filter_idx = i;
    506			break;
    507		}
    508	}
    509
    510	return 0;
    511}
    512
    513static int
    514__qed_llh_shadow_add_filter(struct qed_dev *cdev,
    515			    u8 ppfid,
    516			    u8 filter_idx,
    517			    enum qed_llh_filter_type type,
    518			    union qed_llh_filter *p_filter, u32 *p_ref_cnt)
    519{
    520	struct qed_llh_info *p_llh_info = cdev->p_llh_info;
    521	struct qed_llh_filter_info *p_filters;
    522	int rc;
    523
    524	rc = qed_llh_shadow_sanity(cdev, ppfid, filter_idx, "add");
    525	if (rc)
    526		return rc;
    527
    528	p_filters = p_llh_info->pp_filters[ppfid];
    529	if (!p_filters[filter_idx].ref_cnt) {
    530		p_filters[filter_idx].b_enabled = true;
    531		p_filters[filter_idx].type = type;
    532		memcpy(&p_filters[filter_idx].filter, p_filter,
    533		       sizeof(p_filters[filter_idx].filter));
    534	}
    535
    536	*p_ref_cnt = ++p_filters[filter_idx].ref_cnt;
    537
    538	return 0;
    539}
    540
    541static int
    542qed_llh_shadow_add_filter(struct qed_dev *cdev,
    543			  u8 ppfid,
    544			  enum qed_llh_filter_type type,
    545			  union qed_llh_filter *p_filter,
    546			  u8 *p_filter_idx, u32 *p_ref_cnt)
    547{
    548	int rc;
    549
    550	/* Check if the same filter already exist */
    551	rc = qed_llh_shadow_search_filter(cdev, ppfid, p_filter, p_filter_idx);
    552	if (rc)
    553		return rc;
    554
    555	/* Find a new entry in case of a new filter */
    556	if (*p_filter_idx == QED_LLH_INVALID_FILTER_IDX) {
    557		rc = qed_llh_shadow_get_free_idx(cdev, ppfid, p_filter_idx);
    558		if (rc)
    559			return rc;
    560	}
    561
    562	/* No free entry was found */
    563	if (*p_filter_idx == QED_LLH_INVALID_FILTER_IDX) {
    564		DP_NOTICE(cdev,
    565			  "Failed to find an empty LLH filter to utilize [ppfid %d]\n",
    566			  ppfid);
    567		return -EINVAL;
    568	}
    569
    570	return __qed_llh_shadow_add_filter(cdev, ppfid, *p_filter_idx, type,
    571					   p_filter, p_ref_cnt);
    572}
    573
    574static int
    575__qed_llh_shadow_remove_filter(struct qed_dev *cdev,
    576			       u8 ppfid, u8 filter_idx, u32 *p_ref_cnt)
    577{
    578	struct qed_llh_info *p_llh_info = cdev->p_llh_info;
    579	struct qed_llh_filter_info *p_filters;
    580	int rc;
    581
    582	rc = qed_llh_shadow_sanity(cdev, ppfid, filter_idx, "remove");
    583	if (rc)
    584		return rc;
    585
    586	p_filters = p_llh_info->pp_filters[ppfid];
    587	if (!p_filters[filter_idx].ref_cnt) {
    588		DP_NOTICE(cdev,
    589			  "LLH shadow: trying to remove a filter with ref_cnt=0\n");
    590		return -EINVAL;
    591	}
    592
    593	*p_ref_cnt = --p_filters[filter_idx].ref_cnt;
    594	if (!p_filters[filter_idx].ref_cnt)
    595		memset(&p_filters[filter_idx],
    596		       0, sizeof(p_filters[filter_idx]));
    597
    598	return 0;
    599}
    600
    601static int
    602qed_llh_shadow_remove_filter(struct qed_dev *cdev,
    603			     u8 ppfid,
    604			     union qed_llh_filter *p_filter,
    605			     u8 *p_filter_idx, u32 *p_ref_cnt)
    606{
    607	int rc;
    608
    609	rc = qed_llh_shadow_search_filter(cdev, ppfid, p_filter, p_filter_idx);
    610	if (rc)
    611		return rc;
    612
    613	/* No matching filter was found */
    614	if (*p_filter_idx == QED_LLH_INVALID_FILTER_IDX) {
    615		DP_NOTICE(cdev, "Failed to find a filter in the LLH shadow\n");
    616		return -EINVAL;
    617	}
    618
    619	return __qed_llh_shadow_remove_filter(cdev, ppfid, *p_filter_idx,
    620					      p_ref_cnt);
    621}
    622
    623static int qed_llh_abs_ppfid(struct qed_dev *cdev, u8 ppfid, u8 *p_abs_ppfid)
    624{
    625	struct qed_llh_info *p_llh_info = cdev->p_llh_info;
    626
    627	if (ppfid >= p_llh_info->num_ppfid) {
    628		DP_NOTICE(cdev,
    629			  "ppfid %d is not valid, available indices are 0..%hhd\n",
    630			  ppfid, p_llh_info->num_ppfid - 1);
    631		*p_abs_ppfid = 0;
    632		return -EINVAL;
    633	}
    634
    635	*p_abs_ppfid = p_llh_info->ppfid_array[ppfid];
    636
    637	return 0;
    638}
    639
    640static int
    641qed_llh_set_engine_affin(struct qed_hwfn *p_hwfn, struct qed_ptt *p_ptt)
    642{
    643	struct qed_dev *cdev = p_hwfn->cdev;
    644	enum qed_eng eng;
    645	u8 ppfid;
    646	int rc;
    647
    648	rc = qed_mcp_get_engine_config(p_hwfn, p_ptt);
    649	if (rc != 0 && rc != -EOPNOTSUPP) {
    650		DP_NOTICE(p_hwfn,
    651			  "Failed to get the engine affinity configuration\n");
    652		return rc;
    653	}
    654
    655	/* RoCE PF is bound to a single engine */
    656	if (QED_IS_ROCE_PERSONALITY(p_hwfn)) {
    657		eng = cdev->fir_affin ? QED_ENG1 : QED_ENG0;
    658		rc = qed_llh_set_roce_affinity(cdev, eng);
    659		if (rc) {
    660			DP_NOTICE(cdev,
    661				  "Failed to set the RoCE engine affinity\n");
    662			return rc;
    663		}
    664
    665		DP_VERBOSE(cdev,
    666			   QED_MSG_SP,
    667			   "LLH: Set the engine affinity of RoCE packets as %d\n",
    668			   eng);
    669	}
    670
    671	/* Storage PF is bound to a single engine while L2 PF uses both */
    672	if (QED_IS_FCOE_PERSONALITY(p_hwfn) || QED_IS_ISCSI_PERSONALITY(p_hwfn) ||
    673	    QED_IS_NVMETCP_PERSONALITY(p_hwfn))
    674		eng = cdev->fir_affin ? QED_ENG1 : QED_ENG0;
    675	else			/* L2_PERSONALITY */
    676		eng = QED_BOTH_ENG;
    677
    678	for (ppfid = 0; ppfid < cdev->p_llh_info->num_ppfid; ppfid++) {
    679		rc = qed_llh_set_ppfid_affinity(cdev, ppfid, eng);
    680		if (rc) {
    681			DP_NOTICE(cdev,
    682				  "Failed to set the engine affinity of ppfid %d\n",
    683				  ppfid);
    684			return rc;
    685		}
    686	}
    687
    688	DP_VERBOSE(cdev, QED_MSG_SP,
    689		   "LLH: Set the engine affinity of non-RoCE packets as %d\n",
    690		   eng);
    691
    692	return 0;
    693}
    694
    695static int qed_llh_hw_init_pf(struct qed_hwfn *p_hwfn,
    696			      struct qed_ptt *p_ptt)
    697{
    698	struct qed_dev *cdev = p_hwfn->cdev;
    699	u8 ppfid, abs_ppfid;
    700	int rc;
    701
    702	for (ppfid = 0; ppfid < cdev->p_llh_info->num_ppfid; ppfid++) {
    703		u32 addr;
    704
    705		rc = qed_llh_abs_ppfid(cdev, ppfid, &abs_ppfid);
    706		if (rc)
    707			return rc;
    708
    709		addr = NIG_REG_LLH_PPFID2PFID_TBL_0 + abs_ppfid * 0x4;
    710		qed_wr(p_hwfn, p_ptt, addr, p_hwfn->rel_pf_id);
    711	}
    712
    713	if (test_bit(QED_MF_LLH_MAC_CLSS, &cdev->mf_bits) &&
    714	    !QED_IS_FCOE_PERSONALITY(p_hwfn)) {
    715		rc = qed_llh_add_mac_filter(cdev, 0,
    716					    p_hwfn->hw_info.hw_mac_addr);
    717		if (rc)
    718			DP_NOTICE(cdev,
    719				  "Failed to add an LLH filter with the primary MAC\n");
    720	}
    721
    722	if (QED_IS_CMT(cdev)) {
    723		rc = qed_llh_set_engine_affin(p_hwfn, p_ptt);
    724		if (rc)
    725			return rc;
    726	}
    727
    728	return 0;
    729}
    730
    731u8 qed_llh_get_num_ppfid(struct qed_dev *cdev)
    732{
    733	return cdev->p_llh_info->num_ppfid;
    734}
    735
    736#define NIG_REG_PPF_TO_ENGINE_SEL_ROCE_MASK             0x3
    737#define NIG_REG_PPF_TO_ENGINE_SEL_ROCE_SHIFT            0
    738#define NIG_REG_PPF_TO_ENGINE_SEL_NON_ROCE_MASK         0x3
    739#define NIG_REG_PPF_TO_ENGINE_SEL_NON_ROCE_SHIFT        2
    740
    741int qed_llh_set_ppfid_affinity(struct qed_dev *cdev, u8 ppfid, enum qed_eng eng)
    742{
    743	struct qed_hwfn *p_hwfn = QED_LEADING_HWFN(cdev);
    744	struct qed_ptt *p_ptt = qed_ptt_acquire(p_hwfn);
    745	u32 addr, val, eng_sel;
    746	u8 abs_ppfid;
    747	int rc = 0;
    748
    749	if (!p_ptt)
    750		return -EAGAIN;
    751
    752	if (!QED_IS_CMT(cdev))
    753		goto out;
    754
    755	rc = qed_llh_abs_ppfid(cdev, ppfid, &abs_ppfid);
    756	if (rc)
    757		goto out;
    758
    759	switch (eng) {
    760	case QED_ENG0:
    761		eng_sel = 0;
    762		break;
    763	case QED_ENG1:
    764		eng_sel = 1;
    765		break;
    766	case QED_BOTH_ENG:
    767		eng_sel = 2;
    768		break;
    769	default:
    770		DP_NOTICE(cdev, "Invalid affinity value for ppfid [%d]\n", eng);
    771		rc = -EINVAL;
    772		goto out;
    773	}
    774
    775	addr = NIG_REG_PPF_TO_ENGINE_SEL + abs_ppfid * 0x4;
    776	val = qed_rd(p_hwfn, p_ptt, addr);
    777	SET_FIELD(val, NIG_REG_PPF_TO_ENGINE_SEL_NON_ROCE, eng_sel);
    778	qed_wr(p_hwfn, p_ptt, addr, val);
    779
    780	/* The iWARP affinity is set as the affinity of ppfid 0 */
    781	if (!ppfid && QED_IS_IWARP_PERSONALITY(p_hwfn))
    782		cdev->iwarp_affin = (eng == QED_ENG1) ? 1 : 0;
    783out:
    784	qed_ptt_release(p_hwfn, p_ptt);
    785
    786	return rc;
    787}
    788
    789int qed_llh_set_roce_affinity(struct qed_dev *cdev, enum qed_eng eng)
    790{
    791	struct qed_hwfn *p_hwfn = QED_LEADING_HWFN(cdev);
    792	struct qed_ptt *p_ptt = qed_ptt_acquire(p_hwfn);
    793	u32 addr, val, eng_sel;
    794	u8 ppfid, abs_ppfid;
    795	int rc = 0;
    796
    797	if (!p_ptt)
    798		return -EAGAIN;
    799
    800	if (!QED_IS_CMT(cdev))
    801		goto out;
    802
    803	switch (eng) {
    804	case QED_ENG0:
    805		eng_sel = 0;
    806		break;
    807	case QED_ENG1:
    808		eng_sel = 1;
    809		break;
    810	case QED_BOTH_ENG:
    811		eng_sel = 2;
    812		qed_wr(p_hwfn, p_ptt, NIG_REG_LLH_ENG_CLS_ROCE_QP_SEL,
    813		       0xf);  /* QP bit 15 */
    814		break;
    815	default:
    816		DP_NOTICE(cdev, "Invalid affinity value for RoCE [%d]\n", eng);
    817		rc = -EINVAL;
    818		goto out;
    819	}
    820
    821	for (ppfid = 0; ppfid < cdev->p_llh_info->num_ppfid; ppfid++) {
    822		rc = qed_llh_abs_ppfid(cdev, ppfid, &abs_ppfid);
    823		if (rc)
    824			goto out;
    825
    826		addr = NIG_REG_PPF_TO_ENGINE_SEL + abs_ppfid * 0x4;
    827		val = qed_rd(p_hwfn, p_ptt, addr);
    828		SET_FIELD(val, NIG_REG_PPF_TO_ENGINE_SEL_ROCE, eng_sel);
    829		qed_wr(p_hwfn, p_ptt, addr, val);
    830	}
    831out:
    832	qed_ptt_release(p_hwfn, p_ptt);
    833
    834	return rc;
    835}
    836
    837struct qed_llh_filter_details {
    838	u64 value;
    839	u32 mode;
    840	u32 protocol_type;
    841	u32 hdr_sel;
    842	u32 enable;
    843};
    844
    845static int
    846qed_llh_access_filter(struct qed_hwfn *p_hwfn,
    847		      struct qed_ptt *p_ptt,
    848		      u8 abs_ppfid,
    849		      u8 filter_idx,
    850		      struct qed_llh_filter_details *p_details)
    851{
    852	struct qed_dmae_params params = {0};
    853	u32 addr;
    854	u8 pfid;
    855	int rc;
    856
    857	/* The NIG/LLH registers that are accessed in this function have only 16
    858	 * rows which are exposed to a PF. I.e. only the 16 filters of its
    859	 * default ppfid. Accessing filters of other ppfids requires pretending
    860	 * to another PFs.
    861	 * The calculation of PPFID->PFID in AH is based on the relative index
    862	 * of a PF on its port.
    863	 * For BB the pfid is actually the abs_ppfid.
    864	 */
    865	if (QED_IS_BB(p_hwfn->cdev))
    866		pfid = abs_ppfid;
    867	else
    868		pfid = abs_ppfid * p_hwfn->cdev->num_ports_in_engine +
    869		    MFW_PORT(p_hwfn);
    870
    871	/* Filter enable - should be done first when removing a filter */
    872	if (!p_details->enable) {
    873		qed_fid_pretend(p_hwfn, p_ptt,
    874				pfid << PXP_PRETEND_CONCRETE_FID_PFID_SHIFT);
    875
    876		addr = NIG_REG_LLH_FUNC_FILTER_EN + filter_idx * 0x4;
    877		qed_wr(p_hwfn, p_ptt, addr, p_details->enable);
    878
    879		qed_fid_pretend(p_hwfn, p_ptt,
    880				p_hwfn->rel_pf_id <<
    881				PXP_PRETEND_CONCRETE_FID_PFID_SHIFT);
    882	}
    883
    884	/* Filter value */
    885	addr = NIG_REG_LLH_FUNC_FILTER_VALUE + 2 * filter_idx * 0x4;
    886
    887	SET_FIELD(params.flags, QED_DMAE_PARAMS_DST_PF_VALID, 0x1);
    888	params.dst_pfid = pfid;
    889	rc = qed_dmae_host2grc(p_hwfn,
    890			       p_ptt,
    891			       (u64)(uintptr_t)&p_details->value,
    892			       addr, 2 /* size_in_dwords */,
    893			       &params);
    894	if (rc)
    895		return rc;
    896
    897	qed_fid_pretend(p_hwfn, p_ptt,
    898			pfid << PXP_PRETEND_CONCRETE_FID_PFID_SHIFT);
    899
    900	/* Filter mode */
    901	addr = NIG_REG_LLH_FUNC_FILTER_MODE + filter_idx * 0x4;
    902	qed_wr(p_hwfn, p_ptt, addr, p_details->mode);
    903
    904	/* Filter protocol type */
    905	addr = NIG_REG_LLH_FUNC_FILTER_PROTOCOL_TYPE + filter_idx * 0x4;
    906	qed_wr(p_hwfn, p_ptt, addr, p_details->protocol_type);
    907
    908	/* Filter header select */
    909	addr = NIG_REG_LLH_FUNC_FILTER_HDR_SEL + filter_idx * 0x4;
    910	qed_wr(p_hwfn, p_ptt, addr, p_details->hdr_sel);
    911
    912	/* Filter enable - should be done last when adding a filter */
    913	if (p_details->enable) {
    914		addr = NIG_REG_LLH_FUNC_FILTER_EN + filter_idx * 0x4;
    915		qed_wr(p_hwfn, p_ptt, addr, p_details->enable);
    916	}
    917
    918	qed_fid_pretend(p_hwfn, p_ptt,
    919			p_hwfn->rel_pf_id <<
    920			PXP_PRETEND_CONCRETE_FID_PFID_SHIFT);
    921
    922	return 0;
    923}
    924
    925static int
    926qed_llh_add_filter(struct qed_hwfn *p_hwfn,
    927		   struct qed_ptt *p_ptt,
    928		   u8 abs_ppfid,
    929		   u8 filter_idx, u8 filter_prot_type, u32 high, u32 low)
    930{
    931	struct qed_llh_filter_details filter_details;
    932
    933	filter_details.enable = 1;
    934	filter_details.value = ((u64)high << 32) | low;
    935	filter_details.hdr_sel = 0;
    936	filter_details.protocol_type = filter_prot_type;
    937	/* Mode: 0: MAC-address classification 1: protocol classification */
    938	filter_details.mode = filter_prot_type ? 1 : 0;
    939
    940	return qed_llh_access_filter(p_hwfn, p_ptt, abs_ppfid, filter_idx,
    941				     &filter_details);
    942}
    943
    944static int
    945qed_llh_remove_filter(struct qed_hwfn *p_hwfn,
    946		      struct qed_ptt *p_ptt, u8 abs_ppfid, u8 filter_idx)
    947{
    948	struct qed_llh_filter_details filter_details = {0};
    949
    950	return qed_llh_access_filter(p_hwfn, p_ptt, abs_ppfid, filter_idx,
    951				     &filter_details);
    952}
    953
    954int qed_llh_add_mac_filter(struct qed_dev *cdev,
    955			   u8 ppfid, const u8 mac_addr[ETH_ALEN])
    956{
    957	struct qed_hwfn *p_hwfn = QED_LEADING_HWFN(cdev);
    958	struct qed_ptt *p_ptt = qed_ptt_acquire(p_hwfn);
    959	union qed_llh_filter filter = {};
    960	u8 filter_idx, abs_ppfid = 0;
    961	u32 high, low, ref_cnt;
    962	int rc = 0;
    963
    964	if (!p_ptt)
    965		return -EAGAIN;
    966
    967	if (!test_bit(QED_MF_LLH_MAC_CLSS, &cdev->mf_bits))
    968		goto out;
    969
    970	memcpy(filter.mac.addr, mac_addr, ETH_ALEN);
    971	rc = qed_llh_shadow_add_filter(cdev, ppfid,
    972				       QED_LLH_FILTER_TYPE_MAC,
    973				       &filter, &filter_idx, &ref_cnt);
    974	if (rc)
    975		goto err;
    976
    977	/* Configure the LLH only in case of a new the filter */
    978	if (ref_cnt == 1) {
    979		rc = qed_llh_abs_ppfid(cdev, ppfid, &abs_ppfid);
    980		if (rc)
    981			goto err;
    982
    983		high = mac_addr[1] | (mac_addr[0] << 8);
    984		low = mac_addr[5] | (mac_addr[4] << 8) | (mac_addr[3] << 16) |
    985		      (mac_addr[2] << 24);
    986		rc = qed_llh_add_filter(p_hwfn, p_ptt, abs_ppfid, filter_idx,
    987					0, high, low);
    988		if (rc)
    989			goto err;
    990	}
    991
    992	DP_VERBOSE(cdev,
    993		   QED_MSG_SP,
    994		   "LLH: Added MAC filter [%pM] to ppfid %hhd [abs %hhd] at idx %hhd [ref_cnt %d]\n",
    995		   mac_addr, ppfid, abs_ppfid, filter_idx, ref_cnt);
    996
    997	goto out;
    998
    999err:	DP_NOTICE(cdev,
   1000		  "LLH: Failed to add MAC filter [%pM] to ppfid %hhd\n",
   1001		  mac_addr, ppfid);
   1002out:
   1003	qed_ptt_release(p_hwfn, p_ptt);
   1004
   1005	return rc;
   1006}
   1007
   1008static int
   1009qed_llh_protocol_filter_stringify(struct qed_dev *cdev,
   1010				  enum qed_llh_prot_filter_type_t type,
   1011				  u16 source_port_or_eth_type,
   1012				  u16 dest_port, u8 *str, size_t str_len)
   1013{
   1014	switch (type) {
   1015	case QED_LLH_FILTER_ETHERTYPE:
   1016		snprintf(str, str_len, "Ethertype 0x%04x",
   1017			 source_port_or_eth_type);
   1018		break;
   1019	case QED_LLH_FILTER_TCP_SRC_PORT:
   1020		snprintf(str, str_len, "TCP src port 0x%04x",
   1021			 source_port_or_eth_type);
   1022		break;
   1023	case QED_LLH_FILTER_UDP_SRC_PORT:
   1024		snprintf(str, str_len, "UDP src port 0x%04x",
   1025			 source_port_or_eth_type);
   1026		break;
   1027	case QED_LLH_FILTER_TCP_DEST_PORT:
   1028		snprintf(str, str_len, "TCP dst port 0x%04x", dest_port);
   1029		break;
   1030	case QED_LLH_FILTER_UDP_DEST_PORT:
   1031		snprintf(str, str_len, "UDP dst port 0x%04x", dest_port);
   1032		break;
   1033	case QED_LLH_FILTER_TCP_SRC_AND_DEST_PORT:
   1034		snprintf(str, str_len, "TCP src/dst ports 0x%04x/0x%04x",
   1035			 source_port_or_eth_type, dest_port);
   1036		break;
   1037	case QED_LLH_FILTER_UDP_SRC_AND_DEST_PORT:
   1038		snprintf(str, str_len, "UDP src/dst ports 0x%04x/0x%04x",
   1039			 source_port_or_eth_type, dest_port);
   1040		break;
   1041	default:
   1042		DP_NOTICE(cdev,
   1043			  "Non valid LLH protocol filter type %d\n", type);
   1044		return -EINVAL;
   1045	}
   1046
   1047	return 0;
   1048}
   1049
   1050static int
   1051qed_llh_protocol_filter_to_hilo(struct qed_dev *cdev,
   1052				enum qed_llh_prot_filter_type_t type,
   1053				u16 source_port_or_eth_type,
   1054				u16 dest_port, u32 *p_high, u32 *p_low)
   1055{
   1056	*p_high = 0;
   1057	*p_low = 0;
   1058
   1059	switch (type) {
   1060	case QED_LLH_FILTER_ETHERTYPE:
   1061		*p_high = source_port_or_eth_type;
   1062		break;
   1063	case QED_LLH_FILTER_TCP_SRC_PORT:
   1064	case QED_LLH_FILTER_UDP_SRC_PORT:
   1065		*p_low = source_port_or_eth_type << 16;
   1066		break;
   1067	case QED_LLH_FILTER_TCP_DEST_PORT:
   1068	case QED_LLH_FILTER_UDP_DEST_PORT:
   1069		*p_low = dest_port;
   1070		break;
   1071	case QED_LLH_FILTER_TCP_SRC_AND_DEST_PORT:
   1072	case QED_LLH_FILTER_UDP_SRC_AND_DEST_PORT:
   1073		*p_low = (source_port_or_eth_type << 16) | dest_port;
   1074		break;
   1075	default:
   1076		DP_NOTICE(cdev,
   1077			  "Non valid LLH protocol filter type %d\n", type);
   1078		return -EINVAL;
   1079	}
   1080
   1081	return 0;
   1082}
   1083
   1084int
   1085qed_llh_add_protocol_filter(struct qed_dev *cdev,
   1086			    u8 ppfid,
   1087			    enum qed_llh_prot_filter_type_t type,
   1088			    u16 source_port_or_eth_type, u16 dest_port)
   1089{
   1090	struct qed_hwfn *p_hwfn = QED_LEADING_HWFN(cdev);
   1091	struct qed_ptt *p_ptt = qed_ptt_acquire(p_hwfn);
   1092	u8 filter_idx, abs_ppfid, str[32], type_bitmap;
   1093	union qed_llh_filter filter = {};
   1094	u32 high, low, ref_cnt;
   1095	int rc = 0;
   1096
   1097	if (!p_ptt)
   1098		return -EAGAIN;
   1099
   1100	if (!test_bit(QED_MF_LLH_PROTO_CLSS, &cdev->mf_bits))
   1101		goto out;
   1102
   1103	rc = qed_llh_protocol_filter_stringify(cdev, type,
   1104					       source_port_or_eth_type,
   1105					       dest_port, str, sizeof(str));
   1106	if (rc)
   1107		goto err;
   1108
   1109	filter.protocol.type = type;
   1110	filter.protocol.source_port_or_eth_type = source_port_or_eth_type;
   1111	filter.protocol.dest_port = dest_port;
   1112	rc = qed_llh_shadow_add_filter(cdev,
   1113				       ppfid,
   1114				       QED_LLH_FILTER_TYPE_PROTOCOL,
   1115				       &filter, &filter_idx, &ref_cnt);
   1116	if (rc)
   1117		goto err;
   1118
   1119	rc = qed_llh_abs_ppfid(cdev, ppfid, &abs_ppfid);
   1120	if (rc)
   1121		goto err;
   1122
   1123	/* Configure the LLH only in case of a new the filter */
   1124	if (ref_cnt == 1) {
   1125		rc = qed_llh_protocol_filter_to_hilo(cdev, type,
   1126						     source_port_or_eth_type,
   1127						     dest_port, &high, &low);
   1128		if (rc)
   1129			goto err;
   1130
   1131		type_bitmap = 0x1 << type;
   1132		rc = qed_llh_add_filter(p_hwfn, p_ptt, abs_ppfid,
   1133					filter_idx, type_bitmap, high, low);
   1134		if (rc)
   1135			goto err;
   1136	}
   1137
   1138	DP_VERBOSE(cdev,
   1139		   QED_MSG_SP,
   1140		   "LLH: Added protocol filter [%s] to ppfid %hhd [abs %hhd] at idx %hhd [ref_cnt %d]\n",
   1141		   str, ppfid, abs_ppfid, filter_idx, ref_cnt);
   1142
   1143	goto out;
   1144
   1145err:	DP_NOTICE(p_hwfn,
   1146		  "LLH: Failed to add protocol filter [%s] to ppfid %hhd\n",
   1147		  str, ppfid);
   1148out:
   1149	qed_ptt_release(p_hwfn, p_ptt);
   1150
   1151	return rc;
   1152}
   1153
   1154void qed_llh_remove_mac_filter(struct qed_dev *cdev,
   1155			       u8 ppfid, u8 mac_addr[ETH_ALEN])
   1156{
   1157	struct qed_hwfn *p_hwfn = QED_LEADING_HWFN(cdev);
   1158	struct qed_ptt *p_ptt = qed_ptt_acquire(p_hwfn);
   1159	union qed_llh_filter filter = {};
   1160	u8 filter_idx, abs_ppfid;
   1161	int rc = 0;
   1162	u32 ref_cnt;
   1163
   1164	if (!p_ptt)
   1165		return;
   1166
   1167	if (!test_bit(QED_MF_LLH_MAC_CLSS, &cdev->mf_bits))
   1168		goto out;
   1169
   1170	if (QED_IS_NVMETCP_PERSONALITY(p_hwfn))
   1171		return;
   1172
   1173	ether_addr_copy(filter.mac.addr, mac_addr);
   1174	rc = qed_llh_shadow_remove_filter(cdev, ppfid, &filter, &filter_idx,
   1175					  &ref_cnt);
   1176	if (rc)
   1177		goto err;
   1178
   1179	rc = qed_llh_abs_ppfid(cdev, ppfid, &abs_ppfid);
   1180	if (rc)
   1181		goto err;
   1182
   1183	/* Remove from the LLH in case the filter is not in use */
   1184	if (!ref_cnt) {
   1185		rc = qed_llh_remove_filter(p_hwfn, p_ptt, abs_ppfid,
   1186					   filter_idx);
   1187		if (rc)
   1188			goto err;
   1189	}
   1190
   1191	DP_VERBOSE(cdev,
   1192		   QED_MSG_SP,
   1193		   "LLH: Removed MAC filter [%pM] from ppfid %hhd [abs %hhd] at idx %hhd [ref_cnt %d]\n",
   1194		   mac_addr, ppfid, abs_ppfid, filter_idx, ref_cnt);
   1195
   1196	goto out;
   1197
   1198err:	DP_NOTICE(cdev,
   1199		  "LLH: Failed to remove MAC filter [%pM] from ppfid %hhd\n",
   1200		  mac_addr, ppfid);
   1201out:
   1202	qed_ptt_release(p_hwfn, p_ptt);
   1203}
   1204
   1205void qed_llh_remove_protocol_filter(struct qed_dev *cdev,
   1206				    u8 ppfid,
   1207				    enum qed_llh_prot_filter_type_t type,
   1208				    u16 source_port_or_eth_type, u16 dest_port)
   1209{
   1210	struct qed_hwfn *p_hwfn = QED_LEADING_HWFN(cdev);
   1211	struct qed_ptt *p_ptt = qed_ptt_acquire(p_hwfn);
   1212	u8 filter_idx, abs_ppfid, str[32];
   1213	union qed_llh_filter filter = {};
   1214	int rc = 0;
   1215	u32 ref_cnt;
   1216
   1217	if (!p_ptt)
   1218		return;
   1219
   1220	if (!test_bit(QED_MF_LLH_PROTO_CLSS, &cdev->mf_bits))
   1221		goto out;
   1222
   1223	rc = qed_llh_protocol_filter_stringify(cdev, type,
   1224					       source_port_or_eth_type,
   1225					       dest_port, str, sizeof(str));
   1226	if (rc)
   1227		goto err;
   1228
   1229	filter.protocol.type = type;
   1230	filter.protocol.source_port_or_eth_type = source_port_or_eth_type;
   1231	filter.protocol.dest_port = dest_port;
   1232	rc = qed_llh_shadow_remove_filter(cdev, ppfid, &filter, &filter_idx,
   1233					  &ref_cnt);
   1234	if (rc)
   1235		goto err;
   1236
   1237	rc = qed_llh_abs_ppfid(cdev, ppfid, &abs_ppfid);
   1238	if (rc)
   1239		goto err;
   1240
   1241	/* Remove from the LLH in case the filter is not in use */
   1242	if (!ref_cnt) {
   1243		rc = qed_llh_remove_filter(p_hwfn, p_ptt, abs_ppfid,
   1244					   filter_idx);
   1245		if (rc)
   1246			goto err;
   1247	}
   1248
   1249	DP_VERBOSE(cdev,
   1250		   QED_MSG_SP,
   1251		   "LLH: Removed protocol filter [%s] from ppfid %hhd [abs %hhd] at idx %hhd [ref_cnt %d]\n",
   1252		   str, ppfid, abs_ppfid, filter_idx, ref_cnt);
   1253
   1254	goto out;
   1255
   1256err:	DP_NOTICE(cdev,
   1257		  "LLH: Failed to remove protocol filter [%s] from ppfid %hhd\n",
   1258		  str, ppfid);
   1259out:
   1260	qed_ptt_release(p_hwfn, p_ptt);
   1261}
   1262
   1263/******************************* NIG LLH - End ********************************/
   1264
   1265#define QED_MIN_DPIS            (4)
   1266#define QED_MIN_PWM_REGION      (QED_WID_SIZE * QED_MIN_DPIS)
   1267
   1268static u32 qed_hw_bar_size(struct qed_hwfn *p_hwfn,
   1269			   struct qed_ptt *p_ptt, enum BAR_ID bar_id)
   1270{
   1271	u32 bar_reg = (bar_id == BAR_ID_0 ?
   1272		       PGLUE_B_REG_PF_BAR0_SIZE : PGLUE_B_REG_PF_BAR1_SIZE);
   1273	u32 val;
   1274
   1275	if (IS_VF(p_hwfn->cdev))
   1276		return qed_vf_hw_bar_size(p_hwfn, bar_id);
   1277
   1278	val = qed_rd(p_hwfn, p_ptt, bar_reg);
   1279	if (val)
   1280		return 1 << (val + 15);
   1281
   1282	/* Old MFW initialized above registered only conditionally */
   1283	if (p_hwfn->cdev->num_hwfns > 1) {
   1284		DP_INFO(p_hwfn,
   1285			"BAR size not configured. Assuming BAR size of 256kB for GRC and 512kB for DB\n");
   1286			return BAR_ID_0 ? 256 * 1024 : 512 * 1024;
   1287	} else {
   1288		DP_INFO(p_hwfn,
   1289			"BAR size not configured. Assuming BAR size of 512kB for GRC and 512kB for DB\n");
   1290			return 512 * 1024;
   1291	}
   1292}
   1293
   1294void qed_init_dp(struct qed_dev *cdev, u32 dp_module, u8 dp_level)
   1295{
   1296	u32 i;
   1297
   1298	cdev->dp_level = dp_level;
   1299	cdev->dp_module = dp_module;
   1300	for (i = 0; i < MAX_HWFNS_PER_DEVICE; i++) {
   1301		struct qed_hwfn *p_hwfn = &cdev->hwfns[i];
   1302
   1303		p_hwfn->dp_level = dp_level;
   1304		p_hwfn->dp_module = dp_module;
   1305	}
   1306}
   1307
   1308void qed_init_struct(struct qed_dev *cdev)
   1309{
   1310	u8 i;
   1311
   1312	for (i = 0; i < MAX_HWFNS_PER_DEVICE; i++) {
   1313		struct qed_hwfn *p_hwfn = &cdev->hwfns[i];
   1314
   1315		p_hwfn->cdev = cdev;
   1316		p_hwfn->my_id = i;
   1317		p_hwfn->b_active = false;
   1318
   1319		mutex_init(&p_hwfn->dmae_info.mutex);
   1320	}
   1321
   1322	/* hwfn 0 is always active */
   1323	cdev->hwfns[0].b_active = true;
   1324
   1325	/* set the default cache alignment to 128 */
   1326	cdev->cache_shift = 7;
   1327}
   1328
   1329static void qed_qm_info_free(struct qed_hwfn *p_hwfn)
   1330{
   1331	struct qed_qm_info *qm_info = &p_hwfn->qm_info;
   1332
   1333	kfree(qm_info->qm_pq_params);
   1334	qm_info->qm_pq_params = NULL;
   1335	kfree(qm_info->qm_vport_params);
   1336	qm_info->qm_vport_params = NULL;
   1337	kfree(qm_info->qm_port_params);
   1338	qm_info->qm_port_params = NULL;
   1339	kfree(qm_info->wfq_data);
   1340	qm_info->wfq_data = NULL;
   1341}
   1342
   1343static void qed_dbg_user_data_free(struct qed_hwfn *p_hwfn)
   1344{
   1345	kfree(p_hwfn->dbg_user_info);
   1346	p_hwfn->dbg_user_info = NULL;
   1347}
   1348
   1349void qed_resc_free(struct qed_dev *cdev)
   1350{
   1351	struct qed_rdma_info *rdma_info;
   1352	struct qed_hwfn *p_hwfn;
   1353	int i;
   1354
   1355	if (IS_VF(cdev)) {
   1356		for_each_hwfn(cdev, i)
   1357			qed_l2_free(&cdev->hwfns[i]);
   1358		return;
   1359	}
   1360
   1361	kfree(cdev->fw_data);
   1362	cdev->fw_data = NULL;
   1363
   1364	kfree(cdev->reset_stats);
   1365	cdev->reset_stats = NULL;
   1366
   1367	qed_llh_free(cdev);
   1368
   1369	for_each_hwfn(cdev, i) {
   1370		p_hwfn = cdev->hwfns + i;
   1371		rdma_info = p_hwfn->p_rdma_info;
   1372
   1373		qed_cxt_mngr_free(p_hwfn);
   1374		qed_qm_info_free(p_hwfn);
   1375		qed_spq_free(p_hwfn);
   1376		qed_eq_free(p_hwfn);
   1377		qed_consq_free(p_hwfn);
   1378		qed_int_free(p_hwfn);
   1379#ifdef CONFIG_QED_LL2
   1380		qed_ll2_free(p_hwfn);
   1381#endif
   1382		if (p_hwfn->hw_info.personality == QED_PCI_FCOE)
   1383			qed_fcoe_free(p_hwfn);
   1384
   1385		if (p_hwfn->hw_info.personality == QED_PCI_ISCSI) {
   1386			qed_iscsi_free(p_hwfn);
   1387			qed_ooo_free(p_hwfn);
   1388		}
   1389
   1390		if (p_hwfn->hw_info.personality == QED_PCI_NVMETCP) {
   1391			qed_nvmetcp_free(p_hwfn);
   1392			qed_ooo_free(p_hwfn);
   1393		}
   1394
   1395		if (QED_IS_RDMA_PERSONALITY(p_hwfn) && rdma_info) {
   1396			qed_spq_unregister_async_cb(p_hwfn, rdma_info->proto);
   1397			qed_rdma_info_free(p_hwfn);
   1398		}
   1399
   1400		qed_spq_unregister_async_cb(p_hwfn, PROTOCOLID_COMMON);
   1401		qed_iov_free(p_hwfn);
   1402		qed_l2_free(p_hwfn);
   1403		qed_dmae_info_free(p_hwfn);
   1404		qed_dcbx_info_free(p_hwfn);
   1405		qed_dbg_user_data_free(p_hwfn);
   1406		qed_fw_overlay_mem_free(p_hwfn, &p_hwfn->fw_overlay_mem);
   1407
   1408		/* Destroy doorbell recovery mechanism */
   1409		qed_db_recovery_teardown(p_hwfn);
   1410	}
   1411}
   1412
   1413/******************** QM initialization *******************/
   1414#define ACTIVE_TCS_BMAP 0x9f
   1415#define ACTIVE_TCS_BMAP_4PORT_K2 0xf
   1416
   1417/* determines the physical queue flags for a given PF. */
   1418static u32 qed_get_pq_flags(struct qed_hwfn *p_hwfn)
   1419{
   1420	u32 flags;
   1421
   1422	/* common flags */
   1423	flags = PQ_FLAGS_LB;
   1424
   1425	/* feature flags */
   1426	if (IS_QED_SRIOV(p_hwfn->cdev))
   1427		flags |= PQ_FLAGS_VFS;
   1428
   1429	/* protocol flags */
   1430	switch (p_hwfn->hw_info.personality) {
   1431	case QED_PCI_ETH:
   1432		flags |= PQ_FLAGS_MCOS;
   1433		break;
   1434	case QED_PCI_FCOE:
   1435		flags |= PQ_FLAGS_OFLD;
   1436		break;
   1437	case QED_PCI_ISCSI:
   1438	case QED_PCI_NVMETCP:
   1439		flags |= PQ_FLAGS_ACK | PQ_FLAGS_OOO | PQ_FLAGS_OFLD;
   1440		break;
   1441	case QED_PCI_ETH_ROCE:
   1442		flags |= PQ_FLAGS_MCOS | PQ_FLAGS_OFLD | PQ_FLAGS_LLT;
   1443		if (IS_QED_MULTI_TC_ROCE(p_hwfn))
   1444			flags |= PQ_FLAGS_MTC;
   1445		break;
   1446	case QED_PCI_ETH_IWARP:
   1447		flags |= PQ_FLAGS_MCOS | PQ_FLAGS_ACK | PQ_FLAGS_OOO |
   1448		    PQ_FLAGS_OFLD;
   1449		break;
   1450	default:
   1451		DP_ERR(p_hwfn,
   1452		       "unknown personality %d\n", p_hwfn->hw_info.personality);
   1453		return 0;
   1454	}
   1455
   1456	return flags;
   1457}
   1458
   1459/* Getters for resource amounts necessary for qm initialization */
   1460static u8 qed_init_qm_get_num_tcs(struct qed_hwfn *p_hwfn)
   1461{
   1462	return p_hwfn->hw_info.num_hw_tc;
   1463}
   1464
   1465static u16 qed_init_qm_get_num_vfs(struct qed_hwfn *p_hwfn)
   1466{
   1467	return IS_QED_SRIOV(p_hwfn->cdev) ?
   1468	       p_hwfn->cdev->p_iov_info->total_vfs : 0;
   1469}
   1470
   1471static u8 qed_init_qm_get_num_mtc_tcs(struct qed_hwfn *p_hwfn)
   1472{
   1473	u32 pq_flags = qed_get_pq_flags(p_hwfn);
   1474
   1475	if (!(PQ_FLAGS_MTC & pq_flags))
   1476		return 1;
   1477
   1478	return qed_init_qm_get_num_tcs(p_hwfn);
   1479}
   1480
   1481#define NUM_DEFAULT_RLS 1
   1482
   1483static u16 qed_init_qm_get_num_pf_rls(struct qed_hwfn *p_hwfn)
   1484{
   1485	u16 num_pf_rls, num_vfs = qed_init_qm_get_num_vfs(p_hwfn);
   1486
   1487	/* num RLs can't exceed resource amount of rls or vports */
   1488	num_pf_rls = (u16)min_t(u32, RESC_NUM(p_hwfn, QED_RL),
   1489				RESC_NUM(p_hwfn, QED_VPORT));
   1490
   1491	/* Make sure after we reserve there's something left */
   1492	if (num_pf_rls < num_vfs + NUM_DEFAULT_RLS)
   1493		return 0;
   1494
   1495	/* subtract rls necessary for VFs and one default one for the PF */
   1496	num_pf_rls -= num_vfs + NUM_DEFAULT_RLS;
   1497
   1498	return num_pf_rls;
   1499}
   1500
   1501static u16 qed_init_qm_get_num_vports(struct qed_hwfn *p_hwfn)
   1502{
   1503	u32 pq_flags = qed_get_pq_flags(p_hwfn);
   1504
   1505	/* all pqs share the same vport, except for vfs and pf_rl pqs */
   1506	return (!!(PQ_FLAGS_RLS & pq_flags)) *
   1507	       qed_init_qm_get_num_pf_rls(p_hwfn) +
   1508	       (!!(PQ_FLAGS_VFS & pq_flags)) *
   1509	       qed_init_qm_get_num_vfs(p_hwfn) + 1;
   1510}
   1511
   1512/* calc amount of PQs according to the requested flags */
   1513static u16 qed_init_qm_get_num_pqs(struct qed_hwfn *p_hwfn)
   1514{
   1515	u32 pq_flags = qed_get_pq_flags(p_hwfn);
   1516
   1517	return (!!(PQ_FLAGS_RLS & pq_flags)) *
   1518	       qed_init_qm_get_num_pf_rls(p_hwfn) +
   1519	       (!!(PQ_FLAGS_MCOS & pq_flags)) *
   1520	       qed_init_qm_get_num_tcs(p_hwfn) +
   1521	       (!!(PQ_FLAGS_LB & pq_flags)) + (!!(PQ_FLAGS_OOO & pq_flags)) +
   1522	       (!!(PQ_FLAGS_ACK & pq_flags)) +
   1523	       (!!(PQ_FLAGS_OFLD & pq_flags)) *
   1524	       qed_init_qm_get_num_mtc_tcs(p_hwfn) +
   1525	       (!!(PQ_FLAGS_LLT & pq_flags)) *
   1526	       qed_init_qm_get_num_mtc_tcs(p_hwfn) +
   1527	       (!!(PQ_FLAGS_VFS & pq_flags)) * qed_init_qm_get_num_vfs(p_hwfn);
   1528}
   1529
   1530/* initialize the top level QM params */
   1531static void qed_init_qm_params(struct qed_hwfn *p_hwfn)
   1532{
   1533	struct qed_qm_info *qm_info = &p_hwfn->qm_info;
   1534	bool four_port;
   1535
   1536	/* pq and vport bases for this PF */
   1537	qm_info->start_pq = (u16)RESC_START(p_hwfn, QED_PQ);
   1538	qm_info->start_vport = (u8)RESC_START(p_hwfn, QED_VPORT);
   1539
   1540	/* rate limiting and weighted fair queueing are always enabled */
   1541	qm_info->vport_rl_en = true;
   1542	qm_info->vport_wfq_en = true;
   1543
   1544	/* TC config is different for AH 4 port */
   1545	four_port = p_hwfn->cdev->num_ports_in_engine == MAX_NUM_PORTS_K2;
   1546
   1547	/* in AH 4 port we have fewer TCs per port */
   1548	qm_info->max_phys_tcs_per_port = four_port ? NUM_PHYS_TCS_4PORT_K2 :
   1549						     NUM_OF_PHYS_TCS;
   1550
   1551	/* unless MFW indicated otherwise, ooo_tc == 3 for
   1552	 * AH 4-port and 4 otherwise.
   1553	 */
   1554	if (!qm_info->ooo_tc)
   1555		qm_info->ooo_tc = four_port ? DCBX_TCP_OOO_K2_4PORT_TC :
   1556					      DCBX_TCP_OOO_TC;
   1557}
   1558
   1559/* initialize qm vport params */
   1560static void qed_init_qm_vport_params(struct qed_hwfn *p_hwfn)
   1561{
   1562	struct qed_qm_info *qm_info = &p_hwfn->qm_info;
   1563	u8 i;
   1564
   1565	/* all vports participate in weighted fair queueing */
   1566	for (i = 0; i < qed_init_qm_get_num_vports(p_hwfn); i++)
   1567		qm_info->qm_vport_params[i].wfq = 1;
   1568}
   1569
   1570/* initialize qm port params */
   1571static void qed_init_qm_port_params(struct qed_hwfn *p_hwfn)
   1572{
   1573	/* Initialize qm port parameters */
   1574	u8 i, active_phys_tcs, num_ports = p_hwfn->cdev->num_ports_in_engine;
   1575	struct qed_dev *cdev = p_hwfn->cdev;
   1576
   1577	/* indicate how ooo and high pri traffic is dealt with */
   1578	active_phys_tcs = num_ports == MAX_NUM_PORTS_K2 ?
   1579			  ACTIVE_TCS_BMAP_4PORT_K2 :
   1580			  ACTIVE_TCS_BMAP;
   1581
   1582	for (i = 0; i < num_ports; i++) {
   1583		struct init_qm_port_params *p_qm_port =
   1584		    &p_hwfn->qm_info.qm_port_params[i];
   1585		u16 pbf_max_cmd_lines;
   1586
   1587		p_qm_port->active = 1;
   1588		p_qm_port->active_phys_tcs = active_phys_tcs;
   1589		pbf_max_cmd_lines = (u16)NUM_OF_PBF_CMD_LINES(cdev);
   1590		p_qm_port->num_pbf_cmd_lines = pbf_max_cmd_lines / num_ports;
   1591		p_qm_port->num_btb_blocks = NUM_OF_BTB_BLOCKS(cdev) / num_ports;
   1592	}
   1593}
   1594
   1595/* Reset the params which must be reset for qm init. QM init may be called as
   1596 * a result of flows other than driver load (e.g. dcbx renegotiation). Other
   1597 * params may be affected by the init but would simply recalculate to the same
   1598 * values. The allocations made for QM init, ports, vports, pqs and vfqs are not
   1599 * affected as these amounts stay the same.
   1600 */
   1601static void qed_init_qm_reset_params(struct qed_hwfn *p_hwfn)
   1602{
   1603	struct qed_qm_info *qm_info = &p_hwfn->qm_info;
   1604
   1605	qm_info->num_pqs = 0;
   1606	qm_info->num_vports = 0;
   1607	qm_info->num_pf_rls = 0;
   1608	qm_info->num_vf_pqs = 0;
   1609	qm_info->first_vf_pq = 0;
   1610	qm_info->first_mcos_pq = 0;
   1611	qm_info->first_rl_pq = 0;
   1612}
   1613
   1614static void qed_init_qm_advance_vport(struct qed_hwfn *p_hwfn)
   1615{
   1616	struct qed_qm_info *qm_info = &p_hwfn->qm_info;
   1617
   1618	qm_info->num_vports++;
   1619
   1620	if (qm_info->num_vports > qed_init_qm_get_num_vports(p_hwfn))
   1621		DP_ERR(p_hwfn,
   1622		       "vport overflow! qm_info->num_vports %d, qm_init_get_num_vports() %d\n",
   1623		       qm_info->num_vports, qed_init_qm_get_num_vports(p_hwfn));
   1624}
   1625
   1626/* initialize a single pq and manage qm_info resources accounting.
   1627 * The pq_init_flags param determines whether the PQ is rate limited
   1628 * (for VF or PF) and whether a new vport is allocated to the pq or not
   1629 * (i.e. vport will be shared).
   1630 */
   1631
   1632/* flags for pq init */
   1633#define PQ_INIT_SHARE_VPORT     BIT(0)
   1634#define PQ_INIT_PF_RL           BIT(1)
   1635#define PQ_INIT_VF_RL           BIT(2)
   1636
   1637/* defines for pq init */
   1638#define PQ_INIT_DEFAULT_WRR_GROUP       1
   1639#define PQ_INIT_DEFAULT_TC              0
   1640
   1641void qed_hw_info_set_offload_tc(struct qed_hw_info *p_info, u8 tc)
   1642{
   1643	p_info->offload_tc = tc;
   1644	p_info->offload_tc_set = true;
   1645}
   1646
   1647static bool qed_is_offload_tc_set(struct qed_hwfn *p_hwfn)
   1648{
   1649	return p_hwfn->hw_info.offload_tc_set;
   1650}
   1651
   1652static u32 qed_get_offload_tc(struct qed_hwfn *p_hwfn)
   1653{
   1654	if (qed_is_offload_tc_set(p_hwfn))
   1655		return p_hwfn->hw_info.offload_tc;
   1656
   1657	return PQ_INIT_DEFAULT_TC;
   1658}
   1659
   1660static void qed_init_qm_pq(struct qed_hwfn *p_hwfn,
   1661			   struct qed_qm_info *qm_info,
   1662			   u8 tc, u32 pq_init_flags)
   1663{
   1664	u16 pq_idx = qm_info->num_pqs, max_pq = qed_init_qm_get_num_pqs(p_hwfn);
   1665
   1666	if (pq_idx > max_pq)
   1667		DP_ERR(p_hwfn,
   1668		       "pq overflow! pq %d, max pq %d\n", pq_idx, max_pq);
   1669
   1670	/* init pq params */
   1671	qm_info->qm_pq_params[pq_idx].port_id = p_hwfn->port_id;
   1672	qm_info->qm_pq_params[pq_idx].vport_id = qm_info->start_vport +
   1673	    qm_info->num_vports;
   1674	qm_info->qm_pq_params[pq_idx].tc_id = tc;
   1675	qm_info->qm_pq_params[pq_idx].wrr_group = PQ_INIT_DEFAULT_WRR_GROUP;
   1676	qm_info->qm_pq_params[pq_idx].rl_valid =
   1677	    (pq_init_flags & PQ_INIT_PF_RL || pq_init_flags & PQ_INIT_VF_RL);
   1678
   1679	/* qm params accounting */
   1680	qm_info->num_pqs++;
   1681	if (!(pq_init_flags & PQ_INIT_SHARE_VPORT))
   1682		qm_info->num_vports++;
   1683
   1684	if (pq_init_flags & PQ_INIT_PF_RL)
   1685		qm_info->num_pf_rls++;
   1686
   1687	if (qm_info->num_vports > qed_init_qm_get_num_vports(p_hwfn))
   1688		DP_ERR(p_hwfn,
   1689		       "vport overflow! qm_info->num_vports %d, qm_init_get_num_vports() %d\n",
   1690		       qm_info->num_vports, qed_init_qm_get_num_vports(p_hwfn));
   1691
   1692	if (qm_info->num_pf_rls > qed_init_qm_get_num_pf_rls(p_hwfn))
   1693		DP_ERR(p_hwfn,
   1694		       "rl overflow! qm_info->num_pf_rls %d, qm_init_get_num_pf_rls() %d\n",
   1695		       qm_info->num_pf_rls, qed_init_qm_get_num_pf_rls(p_hwfn));
   1696}
   1697
   1698/* get pq index according to PQ_FLAGS */
   1699static u16 *qed_init_qm_get_idx_from_flags(struct qed_hwfn *p_hwfn,
   1700					   unsigned long pq_flags)
   1701{
   1702	struct qed_qm_info *qm_info = &p_hwfn->qm_info;
   1703
   1704	/* Can't have multiple flags set here */
   1705	if (bitmap_weight(&pq_flags,
   1706			  sizeof(pq_flags) * BITS_PER_BYTE) > 1) {
   1707		DP_ERR(p_hwfn, "requested multiple pq flags 0x%lx\n", pq_flags);
   1708		goto err;
   1709	}
   1710
   1711	if (!(qed_get_pq_flags(p_hwfn) & pq_flags)) {
   1712		DP_ERR(p_hwfn, "pq flag 0x%lx is not set\n", pq_flags);
   1713		goto err;
   1714	}
   1715
   1716	switch (pq_flags) {
   1717	case PQ_FLAGS_RLS:
   1718		return &qm_info->first_rl_pq;
   1719	case PQ_FLAGS_MCOS:
   1720		return &qm_info->first_mcos_pq;
   1721	case PQ_FLAGS_LB:
   1722		return &qm_info->pure_lb_pq;
   1723	case PQ_FLAGS_OOO:
   1724		return &qm_info->ooo_pq;
   1725	case PQ_FLAGS_ACK:
   1726		return &qm_info->pure_ack_pq;
   1727	case PQ_FLAGS_OFLD:
   1728		return &qm_info->first_ofld_pq;
   1729	case PQ_FLAGS_LLT:
   1730		return &qm_info->first_llt_pq;
   1731	case PQ_FLAGS_VFS:
   1732		return &qm_info->first_vf_pq;
   1733	default:
   1734		goto err;
   1735	}
   1736
   1737err:
   1738	return &qm_info->start_pq;
   1739}
   1740
   1741/* save pq index in qm info */
   1742static void qed_init_qm_set_idx(struct qed_hwfn *p_hwfn,
   1743				u32 pq_flags, u16 pq_val)
   1744{
   1745	u16 *base_pq_idx = qed_init_qm_get_idx_from_flags(p_hwfn, pq_flags);
   1746
   1747	*base_pq_idx = p_hwfn->qm_info.start_pq + pq_val;
   1748}
   1749
   1750/* get tx pq index, with the PQ TX base already set (ready for context init) */
   1751u16 qed_get_cm_pq_idx(struct qed_hwfn *p_hwfn, u32 pq_flags)
   1752{
   1753	u16 *base_pq_idx = qed_init_qm_get_idx_from_flags(p_hwfn, pq_flags);
   1754
   1755	return *base_pq_idx + CM_TX_PQ_BASE;
   1756}
   1757
   1758u16 qed_get_cm_pq_idx_mcos(struct qed_hwfn *p_hwfn, u8 tc)
   1759{
   1760	u8 max_tc = qed_init_qm_get_num_tcs(p_hwfn);
   1761
   1762	if (max_tc == 0) {
   1763		DP_ERR(p_hwfn, "pq with flag 0x%lx do not exist\n",
   1764		       PQ_FLAGS_MCOS);
   1765		return p_hwfn->qm_info.start_pq;
   1766	}
   1767
   1768	if (tc > max_tc)
   1769		DP_ERR(p_hwfn, "tc %d must be smaller than %d\n", tc, max_tc);
   1770
   1771	return qed_get_cm_pq_idx(p_hwfn, PQ_FLAGS_MCOS) + (tc % max_tc);
   1772}
   1773
   1774u16 qed_get_cm_pq_idx_vf(struct qed_hwfn *p_hwfn, u16 vf)
   1775{
   1776	u16 max_vf = qed_init_qm_get_num_vfs(p_hwfn);
   1777
   1778	if (max_vf == 0) {
   1779		DP_ERR(p_hwfn, "pq with flag 0x%lx do not exist\n",
   1780		       PQ_FLAGS_VFS);
   1781		return p_hwfn->qm_info.start_pq;
   1782	}
   1783
   1784	if (vf > max_vf)
   1785		DP_ERR(p_hwfn, "vf %d must be smaller than %d\n", vf, max_vf);
   1786
   1787	return qed_get_cm_pq_idx(p_hwfn, PQ_FLAGS_VFS) + (vf % max_vf);
   1788}
   1789
   1790u16 qed_get_cm_pq_idx_ofld_mtc(struct qed_hwfn *p_hwfn, u8 tc)
   1791{
   1792	u16 first_ofld_pq, pq_offset;
   1793
   1794	first_ofld_pq = qed_get_cm_pq_idx(p_hwfn, PQ_FLAGS_OFLD);
   1795	pq_offset = (tc < qed_init_qm_get_num_mtc_tcs(p_hwfn)) ?
   1796		    tc : PQ_INIT_DEFAULT_TC;
   1797
   1798	return first_ofld_pq + pq_offset;
   1799}
   1800
   1801u16 qed_get_cm_pq_idx_llt_mtc(struct qed_hwfn *p_hwfn, u8 tc)
   1802{
   1803	u16 first_llt_pq, pq_offset;
   1804
   1805	first_llt_pq = qed_get_cm_pq_idx(p_hwfn, PQ_FLAGS_LLT);
   1806	pq_offset = (tc < qed_init_qm_get_num_mtc_tcs(p_hwfn)) ?
   1807		    tc : PQ_INIT_DEFAULT_TC;
   1808
   1809	return first_llt_pq + pq_offset;
   1810}
   1811
   1812/* Functions for creating specific types of pqs */
   1813static void qed_init_qm_lb_pq(struct qed_hwfn *p_hwfn)
   1814{
   1815	struct qed_qm_info *qm_info = &p_hwfn->qm_info;
   1816
   1817	if (!(qed_get_pq_flags(p_hwfn) & PQ_FLAGS_LB))
   1818		return;
   1819
   1820	qed_init_qm_set_idx(p_hwfn, PQ_FLAGS_LB, qm_info->num_pqs);
   1821	qed_init_qm_pq(p_hwfn, qm_info, PURE_LB_TC, PQ_INIT_SHARE_VPORT);
   1822}
   1823
   1824static void qed_init_qm_ooo_pq(struct qed_hwfn *p_hwfn)
   1825{
   1826	struct qed_qm_info *qm_info = &p_hwfn->qm_info;
   1827
   1828	if (!(qed_get_pq_flags(p_hwfn) & PQ_FLAGS_OOO))
   1829		return;
   1830
   1831	qed_init_qm_set_idx(p_hwfn, PQ_FLAGS_OOO, qm_info->num_pqs);
   1832	qed_init_qm_pq(p_hwfn, qm_info, qm_info->ooo_tc, PQ_INIT_SHARE_VPORT);
   1833}
   1834
   1835static void qed_init_qm_pure_ack_pq(struct qed_hwfn *p_hwfn)
   1836{
   1837	struct qed_qm_info *qm_info = &p_hwfn->qm_info;
   1838
   1839	if (!(qed_get_pq_flags(p_hwfn) & PQ_FLAGS_ACK))
   1840		return;
   1841
   1842	qed_init_qm_set_idx(p_hwfn, PQ_FLAGS_ACK, qm_info->num_pqs);
   1843	qed_init_qm_pq(p_hwfn, qm_info, qed_get_offload_tc(p_hwfn),
   1844		       PQ_INIT_SHARE_VPORT);
   1845}
   1846
   1847static void qed_init_qm_mtc_pqs(struct qed_hwfn *p_hwfn)
   1848{
   1849	u8 num_tcs = qed_init_qm_get_num_mtc_tcs(p_hwfn);
   1850	struct qed_qm_info *qm_info = &p_hwfn->qm_info;
   1851	u8 tc;
   1852
   1853	/* override pq's TC if offload TC is set */
   1854	for (tc = 0; tc < num_tcs; tc++)
   1855		qed_init_qm_pq(p_hwfn, qm_info,
   1856			       qed_is_offload_tc_set(p_hwfn) ?
   1857			       p_hwfn->hw_info.offload_tc : tc,
   1858			       PQ_INIT_SHARE_VPORT);
   1859}
   1860
   1861static void qed_init_qm_offload_pq(struct qed_hwfn *p_hwfn)
   1862{
   1863	struct qed_qm_info *qm_info = &p_hwfn->qm_info;
   1864
   1865	if (!(qed_get_pq_flags(p_hwfn) & PQ_FLAGS_OFLD))
   1866		return;
   1867
   1868	qed_init_qm_set_idx(p_hwfn, PQ_FLAGS_OFLD, qm_info->num_pqs);
   1869	qed_init_qm_mtc_pqs(p_hwfn);
   1870}
   1871
   1872static void qed_init_qm_low_latency_pq(struct qed_hwfn *p_hwfn)
   1873{
   1874	struct qed_qm_info *qm_info = &p_hwfn->qm_info;
   1875
   1876	if (!(qed_get_pq_flags(p_hwfn) & PQ_FLAGS_LLT))
   1877		return;
   1878
   1879	qed_init_qm_set_idx(p_hwfn, PQ_FLAGS_LLT, qm_info->num_pqs);
   1880	qed_init_qm_mtc_pqs(p_hwfn);
   1881}
   1882
   1883static void qed_init_qm_mcos_pqs(struct qed_hwfn *p_hwfn)
   1884{
   1885	struct qed_qm_info *qm_info = &p_hwfn->qm_info;
   1886	u8 tc_idx;
   1887
   1888	if (!(qed_get_pq_flags(p_hwfn) & PQ_FLAGS_MCOS))
   1889		return;
   1890
   1891	qed_init_qm_set_idx(p_hwfn, PQ_FLAGS_MCOS, qm_info->num_pqs);
   1892	for (tc_idx = 0; tc_idx < qed_init_qm_get_num_tcs(p_hwfn); tc_idx++)
   1893		qed_init_qm_pq(p_hwfn, qm_info, tc_idx, PQ_INIT_SHARE_VPORT);
   1894}
   1895
   1896static void qed_init_qm_vf_pqs(struct qed_hwfn *p_hwfn)
   1897{
   1898	struct qed_qm_info *qm_info = &p_hwfn->qm_info;
   1899	u16 vf_idx, num_vfs = qed_init_qm_get_num_vfs(p_hwfn);
   1900
   1901	if (!(qed_get_pq_flags(p_hwfn) & PQ_FLAGS_VFS))
   1902		return;
   1903
   1904	qed_init_qm_set_idx(p_hwfn, PQ_FLAGS_VFS, qm_info->num_pqs);
   1905	qm_info->num_vf_pqs = num_vfs;
   1906	for (vf_idx = 0; vf_idx < num_vfs; vf_idx++)
   1907		qed_init_qm_pq(p_hwfn,
   1908			       qm_info, PQ_INIT_DEFAULT_TC, PQ_INIT_VF_RL);
   1909}
   1910
   1911static void qed_init_qm_rl_pqs(struct qed_hwfn *p_hwfn)
   1912{
   1913	u16 pf_rls_idx, num_pf_rls = qed_init_qm_get_num_pf_rls(p_hwfn);
   1914	struct qed_qm_info *qm_info = &p_hwfn->qm_info;
   1915
   1916	if (!(qed_get_pq_flags(p_hwfn) & PQ_FLAGS_RLS))
   1917		return;
   1918
   1919	qed_init_qm_set_idx(p_hwfn, PQ_FLAGS_RLS, qm_info->num_pqs);
   1920	for (pf_rls_idx = 0; pf_rls_idx < num_pf_rls; pf_rls_idx++)
   1921		qed_init_qm_pq(p_hwfn, qm_info, qed_get_offload_tc(p_hwfn),
   1922			       PQ_INIT_PF_RL);
   1923}
   1924
   1925static void qed_init_qm_pq_params(struct qed_hwfn *p_hwfn)
   1926{
   1927	/* rate limited pqs, must come first (FW assumption) */
   1928	qed_init_qm_rl_pqs(p_hwfn);
   1929
   1930	/* pqs for multi cos */
   1931	qed_init_qm_mcos_pqs(p_hwfn);
   1932
   1933	/* pure loopback pq */
   1934	qed_init_qm_lb_pq(p_hwfn);
   1935
   1936	/* out of order pq */
   1937	qed_init_qm_ooo_pq(p_hwfn);
   1938
   1939	/* pure ack pq */
   1940	qed_init_qm_pure_ack_pq(p_hwfn);
   1941
   1942	/* pq for offloaded protocol */
   1943	qed_init_qm_offload_pq(p_hwfn);
   1944
   1945	/* low latency pq */
   1946	qed_init_qm_low_latency_pq(p_hwfn);
   1947
   1948	/* done sharing vports */
   1949	qed_init_qm_advance_vport(p_hwfn);
   1950
   1951	/* pqs for vfs */
   1952	qed_init_qm_vf_pqs(p_hwfn);
   1953}
   1954
   1955/* compare values of getters against resources amounts */
   1956static int qed_init_qm_sanity(struct qed_hwfn *p_hwfn)
   1957{
   1958	if (qed_init_qm_get_num_vports(p_hwfn) > RESC_NUM(p_hwfn, QED_VPORT)) {
   1959		DP_ERR(p_hwfn, "requested amount of vports exceeds resource\n");
   1960		return -EINVAL;
   1961	}
   1962
   1963	if (qed_init_qm_get_num_pqs(p_hwfn) <= RESC_NUM(p_hwfn, QED_PQ))
   1964		return 0;
   1965
   1966	if (QED_IS_ROCE_PERSONALITY(p_hwfn)) {
   1967		p_hwfn->hw_info.multi_tc_roce_en = false;
   1968		DP_NOTICE(p_hwfn,
   1969			  "multi-tc roce was disabled to reduce requested amount of pqs\n");
   1970		if (qed_init_qm_get_num_pqs(p_hwfn) <= RESC_NUM(p_hwfn, QED_PQ))
   1971			return 0;
   1972	}
   1973
   1974	DP_ERR(p_hwfn, "requested amount of pqs exceeds resource\n");
   1975	return -EINVAL;
   1976}
   1977
   1978static void qed_dp_init_qm_params(struct qed_hwfn *p_hwfn)
   1979{
   1980	struct qed_qm_info *qm_info = &p_hwfn->qm_info;
   1981	struct init_qm_vport_params *vport;
   1982	struct init_qm_port_params *port;
   1983	struct init_qm_pq_params *pq;
   1984	int i, tc;
   1985
   1986	/* top level params */
   1987	DP_VERBOSE(p_hwfn,
   1988		   NETIF_MSG_HW,
   1989		   "qm init top level params: start_pq %d, start_vport %d, pure_lb_pq %d, offload_pq %d, llt_pq %d, pure_ack_pq %d\n",
   1990		   qm_info->start_pq,
   1991		   qm_info->start_vport,
   1992		   qm_info->pure_lb_pq,
   1993		   qm_info->first_ofld_pq,
   1994		   qm_info->first_llt_pq,
   1995		   qm_info->pure_ack_pq);
   1996	DP_VERBOSE(p_hwfn,
   1997		   NETIF_MSG_HW,
   1998		   "ooo_pq %d, first_vf_pq %d, num_pqs %d, num_vf_pqs %d, num_vports %d, max_phys_tcs_per_port %d\n",
   1999		   qm_info->ooo_pq,
   2000		   qm_info->first_vf_pq,
   2001		   qm_info->num_pqs,
   2002		   qm_info->num_vf_pqs,
   2003		   qm_info->num_vports, qm_info->max_phys_tcs_per_port);
   2004	DP_VERBOSE(p_hwfn,
   2005		   NETIF_MSG_HW,
   2006		   "pf_rl_en %d, pf_wfq_en %d, vport_rl_en %d, vport_wfq_en %d, pf_wfq %d, pf_rl %d, num_pf_rls %d, pq_flags %x\n",
   2007		   qm_info->pf_rl_en,
   2008		   qm_info->pf_wfq_en,
   2009		   qm_info->vport_rl_en,
   2010		   qm_info->vport_wfq_en,
   2011		   qm_info->pf_wfq,
   2012		   qm_info->pf_rl,
   2013		   qm_info->num_pf_rls, qed_get_pq_flags(p_hwfn));
   2014
   2015	/* port table */
   2016	for (i = 0; i < p_hwfn->cdev->num_ports_in_engine; i++) {
   2017		port = &(qm_info->qm_port_params[i]);
   2018		DP_VERBOSE(p_hwfn,
   2019			   NETIF_MSG_HW,
   2020			   "port idx %d, active %d, active_phys_tcs %d, num_pbf_cmd_lines %d, num_btb_blocks %d, reserved %d\n",
   2021			   i,
   2022			   port->active,
   2023			   port->active_phys_tcs,
   2024			   port->num_pbf_cmd_lines,
   2025			   port->num_btb_blocks, port->reserved);
   2026	}
   2027
   2028	/* vport table */
   2029	for (i = 0; i < qm_info->num_vports; i++) {
   2030		vport = &(qm_info->qm_vport_params[i]);
   2031		DP_VERBOSE(p_hwfn,
   2032			   NETIF_MSG_HW,
   2033			   "vport idx %d, wfq %d, first_tx_pq_id [ ",
   2034			   qm_info->start_vport + i, vport->wfq);
   2035		for (tc = 0; tc < NUM_OF_TCS; tc++)
   2036			DP_VERBOSE(p_hwfn,
   2037				   NETIF_MSG_HW,
   2038				   "%d ", vport->first_tx_pq_id[tc]);
   2039		DP_VERBOSE(p_hwfn, NETIF_MSG_HW, "]\n");
   2040	}
   2041
   2042	/* pq table */
   2043	for (i = 0; i < qm_info->num_pqs; i++) {
   2044		pq = &(qm_info->qm_pq_params[i]);
   2045		DP_VERBOSE(p_hwfn,
   2046			   NETIF_MSG_HW,
   2047			   "pq idx %d, port %d, vport_id %d, tc %d, wrr_grp %d, rl_valid %d rl_id %d\n",
   2048			   qm_info->start_pq + i,
   2049			   pq->port_id,
   2050			   pq->vport_id,
   2051			   pq->tc_id, pq->wrr_group, pq->rl_valid, pq->rl_id);
   2052	}
   2053}
   2054
   2055static void qed_init_qm_info(struct qed_hwfn *p_hwfn)
   2056{
   2057	/* reset params required for init run */
   2058	qed_init_qm_reset_params(p_hwfn);
   2059
   2060	/* init QM top level params */
   2061	qed_init_qm_params(p_hwfn);
   2062
   2063	/* init QM port params */
   2064	qed_init_qm_port_params(p_hwfn);
   2065
   2066	/* init QM vport params */
   2067	qed_init_qm_vport_params(p_hwfn);
   2068
   2069	/* init QM physical queue params */
   2070	qed_init_qm_pq_params(p_hwfn);
   2071
   2072	/* display all that init */
   2073	qed_dp_init_qm_params(p_hwfn);
   2074}
   2075
   2076/* This function reconfigures the QM pf on the fly.
   2077 * For this purpose we:
   2078 * 1. reconfigure the QM database
   2079 * 2. set new values to runtime array
   2080 * 3. send an sdm_qm_cmd through the rbc interface to stop the QM
   2081 * 4. activate init tool in QM_PF stage
   2082 * 5. send an sdm_qm_cmd through rbc interface to release the QM
   2083 */
   2084int qed_qm_reconf(struct qed_hwfn *p_hwfn, struct qed_ptt *p_ptt)
   2085{
   2086	struct qed_qm_info *qm_info = &p_hwfn->qm_info;
   2087	bool b_rc;
   2088	int rc;
   2089
   2090	/* initialize qed's qm data structure */
   2091	qed_init_qm_info(p_hwfn);
   2092
   2093	/* stop PF's qm queues */
   2094	spin_lock_bh(&qm_lock);
   2095	b_rc = qed_send_qm_stop_cmd(p_hwfn, p_ptt, false, true,
   2096				    qm_info->start_pq, qm_info->num_pqs);
   2097	spin_unlock_bh(&qm_lock);
   2098	if (!b_rc)
   2099		return -EINVAL;
   2100
   2101	/* prepare QM portion of runtime array */
   2102	qed_qm_init_pf(p_hwfn, p_ptt, false);
   2103
   2104	/* activate init tool on runtime array */
   2105	rc = qed_init_run(p_hwfn, p_ptt, PHASE_QM_PF, p_hwfn->rel_pf_id,
   2106			  p_hwfn->hw_info.hw_mode);
   2107	if (rc)
   2108		return rc;
   2109
   2110	/* start PF's qm queues */
   2111	spin_lock_bh(&qm_lock);
   2112	b_rc = qed_send_qm_stop_cmd(p_hwfn, p_ptt, true, true,
   2113				    qm_info->start_pq, qm_info->num_pqs);
   2114	spin_unlock_bh(&qm_lock);
   2115	if (!b_rc)
   2116		return -EINVAL;
   2117
   2118	return 0;
   2119}
   2120
   2121static int qed_alloc_qm_data(struct qed_hwfn *p_hwfn)
   2122{
   2123	struct qed_qm_info *qm_info = &p_hwfn->qm_info;
   2124	int rc;
   2125
   2126	rc = qed_init_qm_sanity(p_hwfn);
   2127	if (rc)
   2128		goto alloc_err;
   2129
   2130	qm_info->qm_pq_params = kcalloc(qed_init_qm_get_num_pqs(p_hwfn),
   2131					sizeof(*qm_info->qm_pq_params),
   2132					GFP_KERNEL);
   2133	if (!qm_info->qm_pq_params)
   2134		goto alloc_err;
   2135
   2136	qm_info->qm_vport_params = kcalloc(qed_init_qm_get_num_vports(p_hwfn),
   2137					   sizeof(*qm_info->qm_vport_params),
   2138					   GFP_KERNEL);
   2139	if (!qm_info->qm_vport_params)
   2140		goto alloc_err;
   2141
   2142	qm_info->qm_port_params = kcalloc(p_hwfn->cdev->num_ports_in_engine,
   2143					  sizeof(*qm_info->qm_port_params),
   2144					  GFP_KERNEL);
   2145	if (!qm_info->qm_port_params)
   2146		goto alloc_err;
   2147
   2148	qm_info->wfq_data = kcalloc(qed_init_qm_get_num_vports(p_hwfn),
   2149				    sizeof(*qm_info->wfq_data),
   2150				    GFP_KERNEL);
   2151	if (!qm_info->wfq_data)
   2152		goto alloc_err;
   2153
   2154	return 0;
   2155
   2156alloc_err:
   2157	DP_NOTICE(p_hwfn, "Failed to allocate memory for QM params\n");
   2158	qed_qm_info_free(p_hwfn);
   2159	return -ENOMEM;
   2160}
   2161
   2162int qed_resc_alloc(struct qed_dev *cdev)
   2163{
   2164	u32 rdma_tasks, excess_tasks;
   2165	u32 line_count;
   2166	int i, rc = 0;
   2167
   2168	if (IS_VF(cdev)) {
   2169		for_each_hwfn(cdev, i) {
   2170			rc = qed_l2_alloc(&cdev->hwfns[i]);
   2171			if (rc)
   2172				return rc;
   2173		}
   2174		return rc;
   2175	}
   2176
   2177	cdev->fw_data = kzalloc(sizeof(*cdev->fw_data), GFP_KERNEL);
   2178	if (!cdev->fw_data)
   2179		return -ENOMEM;
   2180
   2181	for_each_hwfn(cdev, i) {
   2182		struct qed_hwfn *p_hwfn = &cdev->hwfns[i];
   2183		u32 n_eqes, num_cons;
   2184
   2185		/* Initialize the doorbell recovery mechanism */
   2186		rc = qed_db_recovery_setup(p_hwfn);
   2187		if (rc)
   2188			goto alloc_err;
   2189
   2190		/* First allocate the context manager structure */
   2191		rc = qed_cxt_mngr_alloc(p_hwfn);
   2192		if (rc)
   2193			goto alloc_err;
   2194
   2195		/* Set the HW cid/tid numbers (in the contest manager)
   2196		 * Must be done prior to any further computations.
   2197		 */
   2198		rc = qed_cxt_set_pf_params(p_hwfn, RDMA_MAX_TIDS);
   2199		if (rc)
   2200			goto alloc_err;
   2201
   2202		rc = qed_alloc_qm_data(p_hwfn);
   2203		if (rc)
   2204			goto alloc_err;
   2205
   2206		/* init qm info */
   2207		qed_init_qm_info(p_hwfn);
   2208
   2209		/* Compute the ILT client partition */
   2210		rc = qed_cxt_cfg_ilt_compute(p_hwfn, &line_count);
   2211		if (rc) {
   2212			DP_NOTICE(p_hwfn,
   2213				  "too many ILT lines; re-computing with less lines\n");
   2214			/* In case there are not enough ILT lines we reduce the
   2215			 * number of RDMA tasks and re-compute.
   2216			 */
   2217			excess_tasks =
   2218			    qed_cxt_cfg_ilt_compute_excess(p_hwfn, line_count);
   2219			if (!excess_tasks)
   2220				goto alloc_err;
   2221
   2222			rdma_tasks = RDMA_MAX_TIDS - excess_tasks;
   2223			rc = qed_cxt_set_pf_params(p_hwfn, rdma_tasks);
   2224			if (rc)
   2225				goto alloc_err;
   2226
   2227			rc = qed_cxt_cfg_ilt_compute(p_hwfn, &line_count);
   2228			if (rc) {
   2229				DP_ERR(p_hwfn,
   2230				       "failed ILT compute. Requested too many lines: %u\n",
   2231				       line_count);
   2232
   2233				goto alloc_err;
   2234			}
   2235		}
   2236
   2237		/* CID map / ILT shadow table / T2
   2238		 * The talbes sizes are determined by the computations above
   2239		 */
   2240		rc = qed_cxt_tables_alloc(p_hwfn);
   2241		if (rc)
   2242			goto alloc_err;
   2243
   2244		/* SPQ, must follow ILT because initializes SPQ context */
   2245		rc = qed_spq_alloc(p_hwfn);
   2246		if (rc)
   2247			goto alloc_err;
   2248
   2249		/* SP status block allocation */
   2250		p_hwfn->p_dpc_ptt = qed_get_reserved_ptt(p_hwfn,
   2251							 RESERVED_PTT_DPC);
   2252
   2253		rc = qed_int_alloc(p_hwfn, p_hwfn->p_main_ptt);
   2254		if (rc)
   2255			goto alloc_err;
   2256
   2257		rc = qed_iov_alloc(p_hwfn);
   2258		if (rc)
   2259			goto alloc_err;
   2260
   2261		/* EQ */
   2262		n_eqes = qed_chain_get_capacity(&p_hwfn->p_spq->chain);
   2263		if (QED_IS_RDMA_PERSONALITY(p_hwfn)) {
   2264			u32 n_srq = qed_cxt_get_total_srq_count(p_hwfn);
   2265			enum protocol_type rdma_proto;
   2266
   2267			if (QED_IS_ROCE_PERSONALITY(p_hwfn))
   2268				rdma_proto = PROTOCOLID_ROCE;
   2269			else
   2270				rdma_proto = PROTOCOLID_IWARP;
   2271
   2272			num_cons = qed_cxt_get_proto_cid_count(p_hwfn,
   2273							       rdma_proto,
   2274							       NULL) * 2;
   2275			/* EQ should be able to get events from all SRQ's
   2276			 * at the same time
   2277			 */
   2278			n_eqes += num_cons + 2 * MAX_NUM_VFS_BB + n_srq;
   2279		} else if (p_hwfn->hw_info.personality == QED_PCI_ISCSI ||
   2280			   p_hwfn->hw_info.personality == QED_PCI_NVMETCP) {
   2281			num_cons =
   2282			    qed_cxt_get_proto_cid_count(p_hwfn,
   2283							PROTOCOLID_TCP_ULP,
   2284							NULL);
   2285			n_eqes += 2 * num_cons;
   2286		}
   2287
   2288		if (n_eqes > 0xFFFF) {
   2289			DP_ERR(p_hwfn,
   2290			       "Cannot allocate 0x%x EQ elements. The maximum of a u16 chain is 0x%x\n",
   2291			       n_eqes, 0xFFFF);
   2292			goto alloc_no_mem;
   2293		}
   2294
   2295		rc = qed_eq_alloc(p_hwfn, (u16)n_eqes);
   2296		if (rc)
   2297			goto alloc_err;
   2298
   2299		rc = qed_consq_alloc(p_hwfn);
   2300		if (rc)
   2301			goto alloc_err;
   2302
   2303		rc = qed_l2_alloc(p_hwfn);
   2304		if (rc)
   2305			goto alloc_err;
   2306
   2307#ifdef CONFIG_QED_LL2
   2308		if (p_hwfn->using_ll2) {
   2309			rc = qed_ll2_alloc(p_hwfn);
   2310			if (rc)
   2311				goto alloc_err;
   2312		}
   2313#endif
   2314
   2315		if (p_hwfn->hw_info.personality == QED_PCI_FCOE) {
   2316			rc = qed_fcoe_alloc(p_hwfn);
   2317			if (rc)
   2318				goto alloc_err;
   2319		}
   2320
   2321		if (p_hwfn->hw_info.personality == QED_PCI_ISCSI) {
   2322			rc = qed_iscsi_alloc(p_hwfn);
   2323			if (rc)
   2324				goto alloc_err;
   2325			rc = qed_ooo_alloc(p_hwfn);
   2326			if (rc)
   2327				goto alloc_err;
   2328		}
   2329
   2330		if (p_hwfn->hw_info.personality == QED_PCI_NVMETCP) {
   2331			rc = qed_nvmetcp_alloc(p_hwfn);
   2332			if (rc)
   2333				goto alloc_err;
   2334			rc = qed_ooo_alloc(p_hwfn);
   2335			if (rc)
   2336				goto alloc_err;
   2337		}
   2338
   2339		if (QED_IS_RDMA_PERSONALITY(p_hwfn)) {
   2340			rc = qed_rdma_info_alloc(p_hwfn);
   2341			if (rc)
   2342				goto alloc_err;
   2343		}
   2344
   2345		/* DMA info initialization */
   2346		rc = qed_dmae_info_alloc(p_hwfn);
   2347		if (rc)
   2348			goto alloc_err;
   2349
   2350		/* DCBX initialization */
   2351		rc = qed_dcbx_info_alloc(p_hwfn);
   2352		if (rc)
   2353			goto alloc_err;
   2354
   2355		rc = qed_dbg_alloc_user_data(p_hwfn, &p_hwfn->dbg_user_info);
   2356		if (rc)
   2357			goto alloc_err;
   2358	}
   2359
   2360	rc = qed_llh_alloc(cdev);
   2361	if (rc) {
   2362		DP_NOTICE(cdev,
   2363			  "Failed to allocate memory for the llh_info structure\n");
   2364		goto alloc_err;
   2365	}
   2366
   2367	cdev->reset_stats = kzalloc(sizeof(*cdev->reset_stats), GFP_KERNEL);
   2368	if (!cdev->reset_stats)
   2369		goto alloc_no_mem;
   2370
   2371	return 0;
   2372
   2373alloc_no_mem:
   2374	rc = -ENOMEM;
   2375alloc_err:
   2376	qed_resc_free(cdev);
   2377	return rc;
   2378}
   2379
   2380static int qed_fw_err_handler(struct qed_hwfn *p_hwfn,
   2381			      u8 opcode,
   2382			      u16 echo,
   2383			      union event_ring_data *data, u8 fw_return_code)
   2384{
   2385	if (fw_return_code != COMMON_ERR_CODE_ERROR)
   2386		goto eqe_unexpected;
   2387
   2388	if (data->err_data.recovery_scope == ERR_SCOPE_FUNC &&
   2389	    le16_to_cpu(data->err_data.entity_id) >= MAX_NUM_PFS) {
   2390		qed_sriov_vfpf_malicious(p_hwfn, &data->err_data);
   2391		return 0;
   2392	}
   2393
   2394eqe_unexpected:
   2395	DP_ERR(p_hwfn,
   2396	       "Skipping unexpected eqe 0x%02x, FW return code 0x%x, echo 0x%x\n",
   2397	       opcode, fw_return_code, echo);
   2398	return -EINVAL;
   2399}
   2400
   2401static int qed_common_eqe_event(struct qed_hwfn *p_hwfn,
   2402				u8 opcode,
   2403				__le16 echo,
   2404				union event_ring_data *data,
   2405				u8 fw_return_code)
   2406{
   2407	switch (opcode) {
   2408	case COMMON_EVENT_VF_PF_CHANNEL:
   2409	case COMMON_EVENT_VF_FLR:
   2410		return qed_sriov_eqe_event(p_hwfn, opcode, echo, data,
   2411					   fw_return_code);
   2412	case COMMON_EVENT_FW_ERROR:
   2413		return qed_fw_err_handler(p_hwfn, opcode,
   2414					  le16_to_cpu(echo), data,
   2415					  fw_return_code);
   2416	default:
   2417		DP_INFO(p_hwfn->cdev, "Unknown eqe event 0x%02x, echo 0x%x\n",
   2418			opcode, echo);
   2419		return -EINVAL;
   2420	}
   2421}
   2422
   2423void qed_resc_setup(struct qed_dev *cdev)
   2424{
   2425	int i;
   2426
   2427	if (IS_VF(cdev)) {
   2428		for_each_hwfn(cdev, i)
   2429			qed_l2_setup(&cdev->hwfns[i]);
   2430		return;
   2431	}
   2432
   2433	for_each_hwfn(cdev, i) {
   2434		struct qed_hwfn *p_hwfn = &cdev->hwfns[i];
   2435
   2436		qed_cxt_mngr_setup(p_hwfn);
   2437		qed_spq_setup(p_hwfn);
   2438		qed_eq_setup(p_hwfn);
   2439		qed_consq_setup(p_hwfn);
   2440
   2441		/* Read shadow of current MFW mailbox */
   2442		qed_mcp_read_mb(p_hwfn, p_hwfn->p_main_ptt);
   2443		memcpy(p_hwfn->mcp_info->mfw_mb_shadow,
   2444		       p_hwfn->mcp_info->mfw_mb_cur,
   2445		       p_hwfn->mcp_info->mfw_mb_length);
   2446
   2447		qed_int_setup(p_hwfn, p_hwfn->p_main_ptt);
   2448
   2449		qed_l2_setup(p_hwfn);
   2450		qed_iov_setup(p_hwfn);
   2451		qed_spq_register_async_cb(p_hwfn, PROTOCOLID_COMMON,
   2452					  qed_common_eqe_event);
   2453#ifdef CONFIG_QED_LL2
   2454		if (p_hwfn->using_ll2)
   2455			qed_ll2_setup(p_hwfn);
   2456#endif
   2457		if (p_hwfn->hw_info.personality == QED_PCI_FCOE)
   2458			qed_fcoe_setup(p_hwfn);
   2459
   2460		if (p_hwfn->hw_info.personality == QED_PCI_ISCSI) {
   2461			qed_iscsi_setup(p_hwfn);
   2462			qed_ooo_setup(p_hwfn);
   2463		}
   2464
   2465		if (p_hwfn->hw_info.personality == QED_PCI_NVMETCP) {
   2466			qed_nvmetcp_setup(p_hwfn);
   2467			qed_ooo_setup(p_hwfn);
   2468		}
   2469	}
   2470}
   2471
   2472#define FINAL_CLEANUP_POLL_CNT          (100)
   2473#define FINAL_CLEANUP_POLL_TIME         (10)
   2474int qed_final_cleanup(struct qed_hwfn *p_hwfn,
   2475		      struct qed_ptt *p_ptt, u16 id, bool is_vf)
   2476{
   2477	u32 command = 0, addr, count = FINAL_CLEANUP_POLL_CNT;
   2478	int rc = -EBUSY;
   2479
   2480	addr = GET_GTT_REG_ADDR(GTT_BAR0_MAP_REG_USDM_RAM,
   2481				USTORM_FLR_FINAL_ACK, p_hwfn->rel_pf_id);
   2482	if (is_vf)
   2483		id += 0x10;
   2484
   2485	command |= X_FINAL_CLEANUP_AGG_INT <<
   2486		SDM_AGG_INT_COMP_PARAMS_AGG_INT_INDEX_SHIFT;
   2487	command |= 1 << SDM_AGG_INT_COMP_PARAMS_AGG_VECTOR_ENABLE_SHIFT;
   2488	command |= id << SDM_AGG_INT_COMP_PARAMS_AGG_VECTOR_BIT_SHIFT;
   2489	command |= SDM_COMP_TYPE_AGG_INT << SDM_OP_GEN_COMP_TYPE_SHIFT;
   2490
   2491	/* Make sure notification is not set before initiating final cleanup */
   2492	if (REG_RD(p_hwfn, addr)) {
   2493		DP_NOTICE(p_hwfn,
   2494			  "Unexpected; Found final cleanup notification before initiating final cleanup\n");
   2495		REG_WR(p_hwfn, addr, 0);
   2496	}
   2497
   2498	DP_VERBOSE(p_hwfn, QED_MSG_IOV,
   2499		   "Sending final cleanup for PFVF[%d] [Command %08x]\n",
   2500		   id, command);
   2501
   2502	qed_wr(p_hwfn, p_ptt, XSDM_REG_OPERATION_GEN, command);
   2503
   2504	/* Poll until completion */
   2505	while (!REG_RD(p_hwfn, addr) && count--)
   2506		msleep(FINAL_CLEANUP_POLL_TIME);
   2507
   2508	if (REG_RD(p_hwfn, addr))
   2509		rc = 0;
   2510	else
   2511		DP_NOTICE(p_hwfn,
   2512			  "Failed to receive FW final cleanup notification\n");
   2513
   2514	/* Cleanup afterwards */
   2515	REG_WR(p_hwfn, addr, 0);
   2516
   2517	return rc;
   2518}
   2519
   2520static int qed_calc_hw_mode(struct qed_hwfn *p_hwfn)
   2521{
   2522	int hw_mode = 0;
   2523
   2524	if (QED_IS_BB_B0(p_hwfn->cdev)) {
   2525		hw_mode |= 1 << MODE_BB;
   2526	} else if (QED_IS_AH(p_hwfn->cdev)) {
   2527		hw_mode |= 1 << MODE_K2;
   2528	} else {
   2529		DP_NOTICE(p_hwfn, "Unknown chip type %#x\n",
   2530			  p_hwfn->cdev->type);
   2531		return -EINVAL;
   2532	}
   2533
   2534	switch (p_hwfn->cdev->num_ports_in_engine) {
   2535	case 1:
   2536		hw_mode |= 1 << MODE_PORTS_PER_ENG_1;
   2537		break;
   2538	case 2:
   2539		hw_mode |= 1 << MODE_PORTS_PER_ENG_2;
   2540		break;
   2541	case 4:
   2542		hw_mode |= 1 << MODE_PORTS_PER_ENG_4;
   2543		break;
   2544	default:
   2545		DP_NOTICE(p_hwfn, "num_ports_in_engine = %d not supported\n",
   2546			  p_hwfn->cdev->num_ports_in_engine);
   2547		return -EINVAL;
   2548	}
   2549
   2550	if (test_bit(QED_MF_OVLAN_CLSS, &p_hwfn->cdev->mf_bits))
   2551		hw_mode |= 1 << MODE_MF_SD;
   2552	else
   2553		hw_mode |= 1 << MODE_MF_SI;
   2554
   2555	hw_mode |= 1 << MODE_ASIC;
   2556
   2557	if (p_hwfn->cdev->num_hwfns > 1)
   2558		hw_mode |= 1 << MODE_100G;
   2559
   2560	p_hwfn->hw_info.hw_mode = hw_mode;
   2561
   2562	DP_VERBOSE(p_hwfn, (NETIF_MSG_PROBE | NETIF_MSG_IFUP),
   2563		   "Configuring function for hw_mode: 0x%08x\n",
   2564		   p_hwfn->hw_info.hw_mode);
   2565
   2566	return 0;
   2567}
   2568
   2569/* Init run time data for all PFs on an engine. */
   2570static void qed_init_cau_rt_data(struct qed_dev *cdev)
   2571{
   2572	u32 offset = CAU_REG_SB_VAR_MEMORY_RT_OFFSET;
   2573	int i, igu_sb_id;
   2574
   2575	for_each_hwfn(cdev, i) {
   2576		struct qed_hwfn *p_hwfn = &cdev->hwfns[i];
   2577		struct qed_igu_info *p_igu_info;
   2578		struct qed_igu_block *p_block;
   2579		struct cau_sb_entry sb_entry;
   2580
   2581		p_igu_info = p_hwfn->hw_info.p_igu_info;
   2582
   2583		for (igu_sb_id = 0;
   2584		     igu_sb_id < QED_MAPPING_MEMORY_SIZE(cdev); igu_sb_id++) {
   2585			p_block = &p_igu_info->entry[igu_sb_id];
   2586
   2587			if (!p_block->is_pf)
   2588				continue;
   2589
   2590			qed_init_cau_sb_entry(p_hwfn, &sb_entry,
   2591					      p_block->function_id, 0, 0);
   2592			STORE_RT_REG_AGG(p_hwfn, offset + igu_sb_id * 2,
   2593					 sb_entry);
   2594		}
   2595	}
   2596}
   2597
   2598static void qed_init_cache_line_size(struct qed_hwfn *p_hwfn,
   2599				     struct qed_ptt *p_ptt)
   2600{
   2601	u32 val, wr_mbs, cache_line_size;
   2602
   2603	val = qed_rd(p_hwfn, p_ptt, PSWRQ2_REG_WR_MBS0);
   2604	switch (val) {
   2605	case 0:
   2606		wr_mbs = 128;
   2607		break;
   2608	case 1:
   2609		wr_mbs = 256;
   2610		break;
   2611	case 2:
   2612		wr_mbs = 512;
   2613		break;
   2614	default:
   2615		DP_INFO(p_hwfn,
   2616			"Unexpected value of PSWRQ2_REG_WR_MBS0 [0x%x]. Avoid configuring PGLUE_B_REG_CACHE_LINE_SIZE.\n",
   2617			val);
   2618		return;
   2619	}
   2620
   2621	cache_line_size = min_t(u32, L1_CACHE_BYTES, wr_mbs);
   2622	switch (cache_line_size) {
   2623	case 32:
   2624		val = 0;
   2625		break;
   2626	case 64:
   2627		val = 1;
   2628		break;
   2629	case 128:
   2630		val = 2;
   2631		break;
   2632	case 256:
   2633		val = 3;
   2634		break;
   2635	default:
   2636		DP_INFO(p_hwfn,
   2637			"Unexpected value of cache line size [0x%x]. Avoid configuring PGLUE_B_REG_CACHE_LINE_SIZE.\n",
   2638			cache_line_size);
   2639	}
   2640
   2641	if (wr_mbs < L1_CACHE_BYTES)
   2642		DP_INFO(p_hwfn,
   2643			"The cache line size for padding is suboptimal for performance [OS cache line size 0x%x, wr mbs 0x%x]\n",
   2644			L1_CACHE_BYTES, wr_mbs);
   2645
   2646	STORE_RT_REG(p_hwfn, PGLUE_REG_B_CACHE_LINE_SIZE_RT_OFFSET, val);
   2647	if (val > 0) {
   2648		STORE_RT_REG(p_hwfn, PSWRQ2_REG_DRAM_ALIGN_WR_RT_OFFSET, val);
   2649		STORE_RT_REG(p_hwfn, PSWRQ2_REG_DRAM_ALIGN_RD_RT_OFFSET, val);
   2650	}
   2651}
   2652
   2653static int qed_hw_init_common(struct qed_hwfn *p_hwfn,
   2654			      struct qed_ptt *p_ptt, int hw_mode)
   2655{
   2656	struct qed_qm_info *qm_info = &p_hwfn->qm_info;
   2657	struct qed_qm_common_rt_init_params *params;
   2658	struct qed_dev *cdev = p_hwfn->cdev;
   2659	u8 vf_id, max_num_vfs;
   2660	u16 num_pfs, pf_id;
   2661	u32 concrete_fid;
   2662	int rc = 0;
   2663
   2664	params = kzalloc(sizeof(*params), GFP_KERNEL);
   2665	if (!params) {
   2666		DP_NOTICE(p_hwfn->cdev,
   2667			  "Failed to allocate common init params\n");
   2668
   2669		return -ENOMEM;
   2670	}
   2671
   2672	qed_init_cau_rt_data(cdev);
   2673
   2674	/* Program GTT windows */
   2675	qed_gtt_init(p_hwfn);
   2676
   2677	if (p_hwfn->mcp_info) {
   2678		if (p_hwfn->mcp_info->func_info.bandwidth_max)
   2679			qm_info->pf_rl_en = true;
   2680		if (p_hwfn->mcp_info->func_info.bandwidth_min)
   2681			qm_info->pf_wfq_en = true;
   2682	}
   2683
   2684	params->max_ports_per_engine = p_hwfn->cdev->num_ports_in_engine;
   2685	params->max_phys_tcs_per_port = qm_info->max_phys_tcs_per_port;
   2686	params->pf_rl_en = qm_info->pf_rl_en;
   2687	params->pf_wfq_en = qm_info->pf_wfq_en;
   2688	params->global_rl_en = qm_info->vport_rl_en;
   2689	params->vport_wfq_en = qm_info->vport_wfq_en;
   2690	params->port_params = qm_info->qm_port_params;
   2691
   2692	qed_qm_common_rt_init(p_hwfn, params);
   2693
   2694	qed_cxt_hw_init_common(p_hwfn);
   2695
   2696	qed_init_cache_line_size(p_hwfn, p_ptt);
   2697
   2698	rc = qed_init_run(p_hwfn, p_ptt, PHASE_ENGINE, ANY_PHASE_ID, hw_mode);
   2699	if (rc)
   2700		goto out;
   2701
   2702	qed_wr(p_hwfn, p_ptt, PSWRQ2_REG_L2P_VALIDATE_VFID, 0);
   2703	qed_wr(p_hwfn, p_ptt, PGLUE_B_REG_USE_CLIENTID_IN_TAG, 1);
   2704
   2705	if (QED_IS_BB(p_hwfn->cdev)) {
   2706		num_pfs = NUM_OF_ENG_PFS(p_hwfn->cdev);
   2707		for (pf_id = 0; pf_id < num_pfs; pf_id++) {
   2708			qed_fid_pretend(p_hwfn, p_ptt, pf_id);
   2709			qed_wr(p_hwfn, p_ptt, PRS_REG_SEARCH_ROCE, 0x0);
   2710			qed_wr(p_hwfn, p_ptt, PRS_REG_SEARCH_TCP, 0x0);
   2711		}
   2712		/* pretend to original PF */
   2713		qed_fid_pretend(p_hwfn, p_ptt, p_hwfn->rel_pf_id);
   2714	}
   2715
   2716	max_num_vfs = QED_IS_AH(cdev) ? MAX_NUM_VFS_K2 : MAX_NUM_VFS_BB;
   2717	for (vf_id = 0; vf_id < max_num_vfs; vf_id++) {
   2718		concrete_fid = qed_vfid_to_concrete(p_hwfn, vf_id);
   2719		qed_fid_pretend(p_hwfn, p_ptt, (u16)concrete_fid);
   2720		qed_wr(p_hwfn, p_ptt, CCFC_REG_STRONG_ENABLE_VF, 0x1);
   2721		qed_wr(p_hwfn, p_ptt, CCFC_REG_WEAK_ENABLE_VF, 0x0);
   2722		qed_wr(p_hwfn, p_ptt, TCFC_REG_STRONG_ENABLE_VF, 0x1);
   2723		qed_wr(p_hwfn, p_ptt, TCFC_REG_WEAK_ENABLE_VF, 0x0);
   2724	}
   2725	/* pretend to original PF */
   2726	qed_fid_pretend(p_hwfn, p_ptt, p_hwfn->rel_pf_id);
   2727
   2728out:
   2729	kfree(params);
   2730
   2731	return rc;
   2732}
   2733
   2734static int
   2735qed_hw_init_dpi_size(struct qed_hwfn *p_hwfn,
   2736		     struct qed_ptt *p_ptt, u32 pwm_region_size, u32 n_cpus)
   2737{
   2738	u32 dpi_bit_shift, dpi_count, dpi_page_size;
   2739	u32 min_dpis;
   2740	u32 n_wids;
   2741
   2742	/* Calculate DPI size */
   2743	n_wids = max_t(u32, QED_MIN_WIDS, n_cpus);
   2744	dpi_page_size = QED_WID_SIZE * roundup_pow_of_two(n_wids);
   2745	dpi_page_size = (dpi_page_size + PAGE_SIZE - 1) & ~(PAGE_SIZE - 1);
   2746	dpi_bit_shift = ilog2(dpi_page_size / 4096);
   2747	dpi_count = pwm_region_size / dpi_page_size;
   2748
   2749	min_dpis = p_hwfn->pf_params.rdma_pf_params.min_dpis;
   2750	min_dpis = max_t(u32, QED_MIN_DPIS, min_dpis);
   2751
   2752	p_hwfn->dpi_size = dpi_page_size;
   2753	p_hwfn->dpi_count = dpi_count;
   2754
   2755	qed_wr(p_hwfn, p_ptt, DORQ_REG_PF_DPI_BIT_SHIFT, dpi_bit_shift);
   2756
   2757	if (dpi_count < min_dpis)
   2758		return -EINVAL;
   2759
   2760	return 0;
   2761}
   2762
   2763enum QED_ROCE_EDPM_MODE {
   2764	QED_ROCE_EDPM_MODE_ENABLE = 0,
   2765	QED_ROCE_EDPM_MODE_FORCE_ON = 1,
   2766	QED_ROCE_EDPM_MODE_DISABLE = 2,
   2767};
   2768
   2769bool qed_edpm_enabled(struct qed_hwfn *p_hwfn)
   2770{
   2771	if (p_hwfn->dcbx_no_edpm || p_hwfn->db_bar_no_edpm)
   2772		return false;
   2773
   2774	return true;
   2775}
   2776
   2777static int
   2778qed_hw_init_pf_doorbell_bar(struct qed_hwfn *p_hwfn, struct qed_ptt *p_ptt)
   2779{
   2780	u32 pwm_regsize, norm_regsize;
   2781	u32 non_pwm_conn, min_addr_reg1;
   2782	u32 db_bar_size, n_cpus = 1;
   2783	u32 roce_edpm_mode;
   2784	u32 pf_dems_shift;
   2785	int rc = 0;
   2786	u8 cond;
   2787
   2788	db_bar_size = qed_hw_bar_size(p_hwfn, p_ptt, BAR_ID_1);
   2789	if (p_hwfn->cdev->num_hwfns > 1)
   2790		db_bar_size /= 2;
   2791
   2792	/* Calculate doorbell regions */
   2793	non_pwm_conn = qed_cxt_get_proto_cid_start(p_hwfn, PROTOCOLID_CORE) +
   2794		       qed_cxt_get_proto_cid_count(p_hwfn, PROTOCOLID_CORE,
   2795						   NULL) +
   2796		       qed_cxt_get_proto_cid_count(p_hwfn, PROTOCOLID_ETH,
   2797						   NULL);
   2798	norm_regsize = roundup(QED_PF_DEMS_SIZE * non_pwm_conn, PAGE_SIZE);
   2799	min_addr_reg1 = norm_regsize / 4096;
   2800	pwm_regsize = db_bar_size - norm_regsize;
   2801
   2802	/* Check that the normal and PWM sizes are valid */
   2803	if (db_bar_size < norm_regsize) {
   2804		DP_ERR(p_hwfn->cdev,
   2805		       "Doorbell BAR size 0x%x is too small (normal region is 0x%0x )\n",
   2806		       db_bar_size, norm_regsize);
   2807		return -EINVAL;
   2808	}
   2809
   2810	if (pwm_regsize < QED_MIN_PWM_REGION) {
   2811		DP_ERR(p_hwfn->cdev,
   2812		       "PWM region size 0x%0x is too small. Should be at least 0x%0x (Doorbell BAR size is 0x%x and normal region size is 0x%0x)\n",
   2813		       pwm_regsize,
   2814		       QED_MIN_PWM_REGION, db_bar_size, norm_regsize);
   2815		return -EINVAL;
   2816	}
   2817
   2818	/* Calculate number of DPIs */
   2819	roce_edpm_mode = p_hwfn->pf_params.rdma_pf_params.roce_edpm_mode;
   2820	if ((roce_edpm_mode == QED_ROCE_EDPM_MODE_ENABLE) ||
   2821	    ((roce_edpm_mode == QED_ROCE_EDPM_MODE_FORCE_ON))) {
   2822		/* Either EDPM is mandatory, or we are attempting to allocate a
   2823		 * WID per CPU.
   2824		 */
   2825		n_cpus = num_present_cpus();
   2826		rc = qed_hw_init_dpi_size(p_hwfn, p_ptt, pwm_regsize, n_cpus);
   2827	}
   2828
   2829	cond = (rc && (roce_edpm_mode == QED_ROCE_EDPM_MODE_ENABLE)) ||
   2830	       (roce_edpm_mode == QED_ROCE_EDPM_MODE_DISABLE);
   2831	if (cond || p_hwfn->dcbx_no_edpm) {
   2832		/* Either EDPM is disabled from user configuration, or it is
   2833		 * disabled via DCBx, or it is not mandatory and we failed to
   2834		 * allocated a WID per CPU.
   2835		 */
   2836		n_cpus = 1;
   2837		rc = qed_hw_init_dpi_size(p_hwfn, p_ptt, pwm_regsize, n_cpus);
   2838
   2839		if (cond)
   2840			qed_rdma_dpm_bar(p_hwfn, p_ptt);
   2841	}
   2842
   2843	p_hwfn->wid_count = (u16)n_cpus;
   2844
   2845	DP_INFO(p_hwfn,
   2846		"doorbell bar: normal_region_size=%d, pwm_region_size=%d, dpi_size=%d, dpi_count=%d, roce_edpm=%s, page_size=%lu\n",
   2847		norm_regsize,
   2848		pwm_regsize,
   2849		p_hwfn->dpi_size,
   2850		p_hwfn->dpi_count,
   2851		(!qed_edpm_enabled(p_hwfn)) ?
   2852		"disabled" : "enabled", PAGE_SIZE);
   2853
   2854	if (rc) {
   2855		DP_ERR(p_hwfn,
   2856		       "Failed to allocate enough DPIs. Allocated %d but the current minimum is %d.\n",
   2857		       p_hwfn->dpi_count,
   2858		       p_hwfn->pf_params.rdma_pf_params.min_dpis);
   2859		return -EINVAL;
   2860	}
   2861
   2862	p_hwfn->dpi_start_offset = norm_regsize;
   2863
   2864	/* DEMS size is configured log2 of DWORDs, hence the division by 4 */
   2865	pf_dems_shift = ilog2(QED_PF_DEMS_SIZE / 4);
   2866	qed_wr(p_hwfn, p_ptt, DORQ_REG_PF_ICID_BIT_SHIFT_NORM, pf_dems_shift);
   2867	qed_wr(p_hwfn, p_ptt, DORQ_REG_PF_MIN_ADDR_REG1, min_addr_reg1);
   2868
   2869	return 0;
   2870}
   2871
   2872static int qed_hw_init_port(struct qed_hwfn *p_hwfn,
   2873			    struct qed_ptt *p_ptt, int hw_mode)
   2874{
   2875	int rc = 0;
   2876
   2877	/* In CMT the gate should be cleared by the 2nd hwfn */
   2878	if (!QED_IS_CMT(p_hwfn->cdev) || !IS_LEAD_HWFN(p_hwfn))
   2879		STORE_RT_REG(p_hwfn, NIG_REG_BRB_GATE_DNTFWD_PORT_RT_OFFSET, 0);
   2880
   2881	rc = qed_init_run(p_hwfn, p_ptt, PHASE_PORT, p_hwfn->port_id, hw_mode);
   2882	if (rc)
   2883		return rc;
   2884
   2885	qed_wr(p_hwfn, p_ptt, PGLUE_B_REG_MASTER_WRITE_PAD_ENABLE, 0);
   2886
   2887	return 0;
   2888}
   2889
   2890static int qed_hw_init_pf(struct qed_hwfn *p_hwfn,
   2891			  struct qed_ptt *p_ptt,
   2892			  struct qed_tunnel_info *p_tunn,
   2893			  int hw_mode,
   2894			  bool b_hw_start,
   2895			  enum qed_int_mode int_mode,
   2896			  bool allow_npar_tx_switch)
   2897{
   2898	u8 rel_pf_id = p_hwfn->rel_pf_id;
   2899	int rc = 0;
   2900
   2901	if (p_hwfn->mcp_info) {
   2902		struct qed_mcp_function_info *p_info;
   2903
   2904		p_info = &p_hwfn->mcp_info->func_info;
   2905		if (p_info->bandwidth_min)
   2906			p_hwfn->qm_info.pf_wfq = p_info->bandwidth_min;
   2907
   2908		/* Update rate limit once we'll actually have a link */
   2909		p_hwfn->qm_info.pf_rl = 100000;
   2910	}
   2911
   2912	qed_cxt_hw_init_pf(p_hwfn, p_ptt);
   2913
   2914	qed_int_igu_init_rt(p_hwfn);
   2915
   2916	/* Set VLAN in NIG if needed */
   2917	if (hw_mode & BIT(MODE_MF_SD)) {
   2918		DP_VERBOSE(p_hwfn, NETIF_MSG_HW, "Configuring LLH_FUNC_TAG\n");
   2919		STORE_RT_REG(p_hwfn, NIG_REG_LLH_FUNC_TAG_EN_RT_OFFSET, 1);
   2920		STORE_RT_REG(p_hwfn, NIG_REG_LLH_FUNC_TAG_VALUE_RT_OFFSET,
   2921			     p_hwfn->hw_info.ovlan);
   2922
   2923		DP_VERBOSE(p_hwfn, NETIF_MSG_HW,
   2924			   "Configuring LLH_FUNC_FILTER_HDR_SEL\n");
   2925		STORE_RT_REG(p_hwfn, NIG_REG_LLH_FUNC_FILTER_HDR_SEL_RT_OFFSET,
   2926			     1);
   2927	}
   2928
   2929	/* Enable classification by MAC if needed */
   2930	if (hw_mode & BIT(MODE_MF_SI)) {
   2931		DP_VERBOSE(p_hwfn, NETIF_MSG_HW,
   2932			   "Configuring TAGMAC_CLS_TYPE\n");
   2933		STORE_RT_REG(p_hwfn,
   2934			     NIG_REG_LLH_FUNC_TAGMAC_CLS_TYPE_RT_OFFSET, 1);
   2935	}
   2936
   2937	/* Protocol Configuration */
   2938	STORE_RT_REG(p_hwfn, PRS_REG_SEARCH_TCP_RT_OFFSET,
   2939		     ((p_hwfn->hw_info.personality == QED_PCI_ISCSI) ||
   2940			 (p_hwfn->hw_info.personality == QED_PCI_NVMETCP)) ? 1 : 0);
   2941	STORE_RT_REG(p_hwfn, PRS_REG_SEARCH_FCOE_RT_OFFSET,
   2942		     (p_hwfn->hw_info.personality == QED_PCI_FCOE) ? 1 : 0);
   2943	STORE_RT_REG(p_hwfn, PRS_REG_SEARCH_ROCE_RT_OFFSET, 0);
   2944
   2945	/* Sanity check before the PF init sequence that uses DMAE */
   2946	rc = qed_dmae_sanity(p_hwfn, p_ptt, "pf_phase");
   2947	if (rc)
   2948		return rc;
   2949
   2950	/* PF Init sequence */
   2951	rc = qed_init_run(p_hwfn, p_ptt, PHASE_PF, rel_pf_id, hw_mode);
   2952	if (rc)
   2953		return rc;
   2954
   2955	/* QM_PF Init sequence (may be invoked separately e.g. for DCB) */
   2956	rc = qed_init_run(p_hwfn, p_ptt, PHASE_QM_PF, rel_pf_id, hw_mode);
   2957	if (rc)
   2958		return rc;
   2959
   2960	qed_fw_overlay_init_ram(p_hwfn, p_ptt, p_hwfn->fw_overlay_mem);
   2961
   2962	/* Pure runtime initializations - directly to the HW  */
   2963	qed_int_igu_init_pure_rt(p_hwfn, p_ptt, true, true);
   2964
   2965	rc = qed_hw_init_pf_doorbell_bar(p_hwfn, p_ptt);
   2966	if (rc)
   2967		return rc;
   2968
   2969	/* Use the leading hwfn since in CMT only NIG #0 is operational */
   2970	if (IS_LEAD_HWFN(p_hwfn)) {
   2971		rc = qed_llh_hw_init_pf(p_hwfn, p_ptt);
   2972		if (rc)
   2973			return rc;
   2974	}
   2975
   2976	if (b_hw_start) {
   2977		/* enable interrupts */
   2978		qed_int_igu_enable(p_hwfn, p_ptt, int_mode);
   2979
   2980		/* send function start command */
   2981		rc = qed_sp_pf_start(p_hwfn, p_ptt, p_tunn,
   2982				     allow_npar_tx_switch);
   2983		if (rc) {
   2984			DP_NOTICE(p_hwfn, "Function start ramrod failed\n");
   2985			return rc;
   2986		}
   2987		if (p_hwfn->hw_info.personality == QED_PCI_FCOE) {
   2988			qed_wr(p_hwfn, p_ptt, PRS_REG_SEARCH_TAG1, BIT(2));
   2989			qed_wr(p_hwfn, p_ptt,
   2990			       PRS_REG_PKT_LEN_STAT_TAGS_NOT_COUNTED_FIRST,
   2991			       0x100);
   2992		}
   2993	}
   2994	return rc;
   2995}
   2996
   2997int qed_pglueb_set_pfid_enable(struct qed_hwfn *p_hwfn,
   2998			       struct qed_ptt *p_ptt, bool b_enable)
   2999{
   3000	u32 delay_idx = 0, val, set_val = b_enable ? 1 : 0;
   3001
   3002	/* Configure the PF's internal FID_enable for master transactions */
   3003	qed_wr(p_hwfn, p_ptt, PGLUE_B_REG_INTERNAL_PFID_ENABLE_MASTER, set_val);
   3004
   3005	/* Wait until value is set - try for 1 second every 50us */
   3006	for (delay_idx = 0; delay_idx < 20000; delay_idx++) {
   3007		val = qed_rd(p_hwfn, p_ptt,
   3008			     PGLUE_B_REG_INTERNAL_PFID_ENABLE_MASTER);
   3009		if (val == set_val)
   3010			break;
   3011
   3012		usleep_range(50, 60);
   3013	}
   3014
   3015	if (val != set_val) {
   3016		DP_NOTICE(p_hwfn,
   3017			  "PFID_ENABLE_MASTER wasn't changed after a second\n");
   3018		return -EAGAIN;
   3019	}
   3020
   3021	return 0;
   3022}
   3023
   3024static void qed_reset_mb_shadow(struct qed_hwfn *p_hwfn,
   3025				struct qed_ptt *p_main_ptt)
   3026{
   3027	/* Read shadow of current MFW mailbox */
   3028	qed_mcp_read_mb(p_hwfn, p_main_ptt);
   3029	memcpy(p_hwfn->mcp_info->mfw_mb_shadow,
   3030	       p_hwfn->mcp_info->mfw_mb_cur, p_hwfn->mcp_info->mfw_mb_length);
   3031}
   3032
   3033static void
   3034qed_fill_load_req_params(struct qed_load_req_params *p_load_req,
   3035			 struct qed_drv_load_params *p_drv_load)
   3036{
   3037	memset(p_load_req, 0, sizeof(*p_load_req));
   3038
   3039	p_load_req->drv_role = p_drv_load->is_crash_kernel ?
   3040			       QED_DRV_ROLE_KDUMP : QED_DRV_ROLE_OS;
   3041	p_load_req->timeout_val = p_drv_load->mfw_timeout_val;
   3042	p_load_req->avoid_eng_reset = p_drv_load->avoid_eng_reset;
   3043	p_load_req->override_force_load = p_drv_load->override_force_load;
   3044}
   3045
   3046static int qed_vf_start(struct qed_hwfn *p_hwfn,
   3047			struct qed_hw_init_params *p_params)
   3048{
   3049	if (p_params->p_tunn) {
   3050		qed_vf_set_vf_start_tunn_update_param(p_params->p_tunn);
   3051		qed_vf_pf_tunnel_param_update(p_hwfn, p_params->p_tunn);
   3052	}
   3053
   3054	p_hwfn->b_int_enabled = true;
   3055
   3056	return 0;
   3057}
   3058
   3059static void qed_pglueb_clear_err(struct qed_hwfn *p_hwfn, struct qed_ptt *p_ptt)
   3060{
   3061	qed_wr(p_hwfn, p_ptt, PGLUE_B_REG_WAS_ERROR_PF_31_0_CLR,
   3062	       BIT(p_hwfn->abs_pf_id));
   3063}
   3064
   3065int qed_hw_init(struct qed_dev *cdev, struct qed_hw_init_params *p_params)
   3066{
   3067	struct qed_load_req_params load_req_params;
   3068	u32 load_code, resp, param, drv_mb_param;
   3069	bool b_default_mtu = true;
   3070	struct qed_hwfn *p_hwfn;
   3071	const u32 *fw_overlays;
   3072	u32 fw_overlays_len;
   3073	u16 ether_type;
   3074	int rc = 0, i;
   3075
   3076	if ((p_params->int_mode == QED_INT_MODE_MSI) && (cdev->num_hwfns > 1)) {
   3077		DP_NOTICE(cdev, "MSI mode is not supported for CMT devices\n");
   3078		return -EINVAL;
   3079	}
   3080
   3081	if (IS_PF(cdev)) {
   3082		rc = qed_init_fw_data(cdev, p_params->bin_fw_data);
   3083		if (rc)
   3084			return rc;
   3085	}
   3086
   3087	for_each_hwfn(cdev, i) {
   3088		p_hwfn = &cdev->hwfns[i];
   3089
   3090		/* If management didn't provide a default, set one of our own */
   3091		if (!p_hwfn->hw_info.mtu) {
   3092			p_hwfn->hw_info.mtu = 1500;
   3093			b_default_mtu = false;
   3094		}
   3095
   3096		if (IS_VF(cdev)) {
   3097			qed_vf_start(p_hwfn, p_params);
   3098			continue;
   3099		}
   3100
   3101		/* Some flows may keep variable set */
   3102		p_hwfn->mcp_info->mcp_handling_status = 0;
   3103
   3104		rc = qed_calc_hw_mode(p_hwfn);
   3105		if (rc)
   3106			return rc;
   3107
   3108		if (IS_PF(cdev) && (test_bit(QED_MF_8021Q_TAGGING,
   3109					     &cdev->mf_bits) ||
   3110				    test_bit(QED_MF_8021AD_TAGGING,
   3111					     &cdev->mf_bits))) {
   3112			if (test_bit(QED_MF_8021Q_TAGGING, &cdev->mf_bits))
   3113				ether_type = ETH_P_8021Q;
   3114			else
   3115				ether_type = ETH_P_8021AD;
   3116			STORE_RT_REG(p_hwfn, PRS_REG_TAG_ETHERTYPE_0_RT_OFFSET,
   3117				     ether_type);
   3118			STORE_RT_REG(p_hwfn, NIG_REG_TAG_ETHERTYPE_0_RT_OFFSET,
   3119				     ether_type);
   3120			STORE_RT_REG(p_hwfn, PBF_REG_TAG_ETHERTYPE_0_RT_OFFSET,
   3121				     ether_type);
   3122			STORE_RT_REG(p_hwfn, DORQ_REG_TAG1_ETHERTYPE_RT_OFFSET,
   3123				     ether_type);
   3124		}
   3125
   3126		qed_fill_load_req_params(&load_req_params,
   3127					 p_params->p_drv_load_params);
   3128		rc = qed_mcp_load_req(p_hwfn, p_hwfn->p_main_ptt,
   3129				      &load_req_params);
   3130		if (rc) {
   3131			DP_NOTICE(p_hwfn, "Failed sending a LOAD_REQ command\n");
   3132			return rc;
   3133		}
   3134
   3135		load_code = load_req_params.load_code;
   3136		DP_VERBOSE(p_hwfn, QED_MSG_SP,
   3137			   "Load request was sent. Load code: 0x%x\n",
   3138			   load_code);
   3139
   3140		/* Only relevant for recovery:
   3141		 * Clear the indication after LOAD_REQ is responded by the MFW.
   3142		 */
   3143		cdev->recov_in_prog = false;
   3144
   3145		qed_mcp_set_capabilities(p_hwfn, p_hwfn->p_main_ptt);
   3146
   3147		qed_reset_mb_shadow(p_hwfn, p_hwfn->p_main_ptt);
   3148
   3149		/* Clean up chip from previous driver if such remains exist.
   3150		 * This is not needed when the PF is the first one on the
   3151		 * engine, since afterwards we are going to init the FW.
   3152		 */
   3153		if (load_code != FW_MSG_CODE_DRV_LOAD_ENGINE) {
   3154			rc = qed_final_cleanup(p_hwfn, p_hwfn->p_main_ptt,
   3155					       p_hwfn->rel_pf_id, false);
   3156			if (rc) {
   3157				qed_hw_err_notify(p_hwfn, p_hwfn->p_main_ptt,
   3158						  QED_HW_ERR_RAMROD_FAIL,
   3159						  "Final cleanup failed\n");
   3160				goto load_err;
   3161			}
   3162		}
   3163
   3164		/* Log and clear previous pglue_b errors if such exist */
   3165		qed_pglueb_rbc_attn_handler(p_hwfn, p_hwfn->p_main_ptt, true);
   3166
   3167		/* Enable the PF's internal FID_enable in the PXP */
   3168		rc = qed_pglueb_set_pfid_enable(p_hwfn, p_hwfn->p_main_ptt,
   3169						true);
   3170		if (rc)
   3171			goto load_err;
   3172
   3173		/* Clear the pglue_b was_error indication.
   3174		 * In E4 it must be done after the BME and the internal
   3175		 * FID_enable for the PF are set, since VDMs may cause the
   3176		 * indication to be set again.
   3177		 */
   3178		qed_pglueb_clear_err(p_hwfn, p_hwfn->p_main_ptt);
   3179
   3180		fw_overlays = cdev->fw_data->fw_overlays;
   3181		fw_overlays_len = cdev->fw_data->fw_overlays_len;
   3182		p_hwfn->fw_overlay_mem =
   3183		    qed_fw_overlay_mem_alloc(p_hwfn, fw_overlays,
   3184					     fw_overlays_len);
   3185		if (!p_hwfn->fw_overlay_mem) {
   3186			DP_NOTICE(p_hwfn,
   3187				  "Failed to allocate fw overlay memory\n");
   3188			rc = -ENOMEM;
   3189			goto load_err;
   3190		}
   3191
   3192		switch (load_code) {
   3193		case FW_MSG_CODE_DRV_LOAD_ENGINE:
   3194			rc = qed_hw_init_common(p_hwfn, p_hwfn->p_main_ptt,
   3195						p_hwfn->hw_info.hw_mode);
   3196			if (rc)
   3197				break;
   3198			fallthrough;
   3199		case FW_MSG_CODE_DRV_LOAD_PORT:
   3200			rc = qed_hw_init_port(p_hwfn, p_hwfn->p_main_ptt,
   3201					      p_hwfn->hw_info.hw_mode);
   3202			if (rc)
   3203				break;
   3204
   3205			fallthrough;
   3206		case FW_MSG_CODE_DRV_LOAD_FUNCTION:
   3207			rc = qed_hw_init_pf(p_hwfn, p_hwfn->p_main_ptt,
   3208					    p_params->p_tunn,
   3209					    p_hwfn->hw_info.hw_mode,
   3210					    p_params->b_hw_start,
   3211					    p_params->int_mode,
   3212					    p_params->allow_npar_tx_switch);
   3213			break;
   3214		default:
   3215			DP_NOTICE(p_hwfn,
   3216				  "Unexpected load code [0x%08x]", load_code);
   3217			rc = -EINVAL;
   3218			break;
   3219		}
   3220
   3221		if (rc) {
   3222			DP_NOTICE(p_hwfn,
   3223				  "init phase failed for loadcode 0x%x (rc %d)\n",
   3224				  load_code, rc);
   3225			goto load_err;
   3226		}
   3227
   3228		rc = qed_mcp_load_done(p_hwfn, p_hwfn->p_main_ptt);
   3229		if (rc)
   3230			return rc;
   3231
   3232		/* send DCBX attention request command */
   3233		DP_VERBOSE(p_hwfn,
   3234			   QED_MSG_DCB,
   3235			   "sending phony dcbx set command to trigger DCBx attention handling\n");
   3236		rc = qed_mcp_cmd(p_hwfn, p_hwfn->p_main_ptt,
   3237				 DRV_MSG_CODE_SET_DCBX,
   3238				 1 << DRV_MB_PARAM_DCBX_NOTIFY_SHIFT,
   3239				 &resp, &param);
   3240		if (rc) {
   3241			DP_NOTICE(p_hwfn,
   3242				  "Failed to send DCBX attention request\n");
   3243			return rc;
   3244		}
   3245
   3246		p_hwfn->hw_init_done = true;
   3247	}
   3248
   3249	if (IS_PF(cdev)) {
   3250		p_hwfn = QED_LEADING_HWFN(cdev);
   3251
   3252		/* Get pre-negotiated values for stag, bandwidth etc. */
   3253		DP_VERBOSE(p_hwfn,
   3254			   QED_MSG_SPQ,
   3255			   "Sending GET_OEM_UPDATES command to trigger stag/bandwidth attention handling\n");
   3256		drv_mb_param = 1 << DRV_MB_PARAM_DUMMY_OEM_UPDATES_OFFSET;
   3257		rc = qed_mcp_cmd(p_hwfn, p_hwfn->p_main_ptt,
   3258				 DRV_MSG_CODE_GET_OEM_UPDATES,
   3259				 drv_mb_param, &resp, &param);
   3260		if (rc)
   3261			DP_NOTICE(p_hwfn,
   3262				  "Failed to send GET_OEM_UPDATES attention request\n");
   3263
   3264		drv_mb_param = STORM_FW_VERSION;
   3265		rc = qed_mcp_cmd(p_hwfn, p_hwfn->p_main_ptt,
   3266				 DRV_MSG_CODE_OV_UPDATE_STORM_FW_VER,
   3267				 drv_mb_param, &load_code, &param);
   3268		if (rc)
   3269			DP_INFO(p_hwfn, "Failed to update firmware version\n");
   3270
   3271		if (!b_default_mtu) {
   3272			rc = qed_mcp_ov_update_mtu(p_hwfn, p_hwfn->p_main_ptt,
   3273						   p_hwfn->hw_info.mtu);
   3274			if (rc)
   3275				DP_INFO(p_hwfn,
   3276					"Failed to update default mtu\n");
   3277		}
   3278
   3279		rc = qed_mcp_ov_update_driver_state(p_hwfn,
   3280						    p_hwfn->p_main_ptt,
   3281						  QED_OV_DRIVER_STATE_DISABLED);
   3282		if (rc)
   3283			DP_INFO(p_hwfn, "Failed to update driver state\n");
   3284
   3285		rc = qed_mcp_ov_update_eswitch(p_hwfn, p_hwfn->p_main_ptt,
   3286					       QED_OV_ESWITCH_NONE);
   3287		if (rc)
   3288			DP_INFO(p_hwfn, "Failed to update eswitch mode\n");
   3289	}
   3290
   3291	return 0;
   3292
   3293load_err:
   3294	/* The MFW load lock should be released also when initialization fails.
   3295	 */
   3296	qed_mcp_load_done(p_hwfn, p_hwfn->p_main_ptt);
   3297	return rc;
   3298}
   3299
   3300#define QED_HW_STOP_RETRY_LIMIT (10)
   3301static void qed_hw_timers_stop(struct qed_dev *cdev,
   3302			       struct qed_hwfn *p_hwfn, struct qed_ptt *p_ptt)
   3303{
   3304	int i;
   3305
   3306	/* close timers */
   3307	qed_wr(p_hwfn, p_ptt, TM_REG_PF_ENABLE_CONN, 0x0);
   3308	qed_wr(p_hwfn, p_ptt, TM_REG_PF_ENABLE_TASK, 0x0);
   3309
   3310	if (cdev->recov_in_prog)
   3311		return;
   3312
   3313	for (i = 0; i < QED_HW_STOP_RETRY_LIMIT; i++) {
   3314		if ((!qed_rd(p_hwfn, p_ptt,
   3315			     TM_REG_PF_SCAN_ACTIVE_CONN)) &&
   3316		    (!qed_rd(p_hwfn, p_ptt, TM_REG_PF_SCAN_ACTIVE_TASK)))
   3317			break;
   3318
   3319		/* Dependent on number of connection/tasks, possibly
   3320		 * 1ms sleep is required between polls
   3321		 */
   3322		usleep_range(1000, 2000);
   3323	}
   3324
   3325	if (i < QED_HW_STOP_RETRY_LIMIT)
   3326		return;
   3327
   3328	DP_NOTICE(p_hwfn,
   3329		  "Timers linear scans are not over [Connection %02x Tasks %02x]\n",
   3330		  (u8)qed_rd(p_hwfn, p_ptt, TM_REG_PF_SCAN_ACTIVE_CONN),
   3331		  (u8)qed_rd(p_hwfn, p_ptt, TM_REG_PF_SCAN_ACTIVE_TASK));
   3332}
   3333
   3334void qed_hw_timers_stop_all(struct qed_dev *cdev)
   3335{
   3336	int j;
   3337
   3338	for_each_hwfn(cdev, j) {
   3339		struct qed_hwfn *p_hwfn = &cdev->hwfns[j];
   3340		struct qed_ptt *p_ptt = p_hwfn->p_main_ptt;
   3341
   3342		qed_hw_timers_stop(cdev, p_hwfn, p_ptt);
   3343	}
   3344}
   3345
   3346int qed_hw_stop(struct qed_dev *cdev)
   3347{
   3348	struct qed_hwfn *p_hwfn;
   3349	struct qed_ptt *p_ptt;
   3350	int rc, rc2 = 0;
   3351	int j;
   3352
   3353	for_each_hwfn(cdev, j) {
   3354		p_hwfn = &cdev->hwfns[j];
   3355		p_ptt = p_hwfn->p_main_ptt;
   3356
   3357		DP_VERBOSE(p_hwfn, NETIF_MSG_IFDOWN, "Stopping hw/fw\n");
   3358
   3359		if (IS_VF(cdev)) {
   3360			qed_vf_pf_int_cleanup(p_hwfn);
   3361			rc = qed_vf_pf_reset(p_hwfn);
   3362			if (rc) {
   3363				DP_NOTICE(p_hwfn,
   3364					  "qed_vf_pf_reset failed. rc = %d.\n",
   3365					  rc);
   3366				rc2 = -EINVAL;
   3367			}
   3368			continue;
   3369		}
   3370
   3371		/* mark the hw as uninitialized... */
   3372		p_hwfn->hw_init_done = false;
   3373
   3374		/* Send unload command to MCP */
   3375		if (!cdev->recov_in_prog) {
   3376			rc = qed_mcp_unload_req(p_hwfn, p_ptt);
   3377			if (rc) {
   3378				DP_NOTICE(p_hwfn,
   3379					  "Failed sending a UNLOAD_REQ command. rc = %d.\n",
   3380					  rc);
   3381				rc2 = -EINVAL;
   3382			}
   3383		}
   3384
   3385		qed_slowpath_irq_sync(p_hwfn);
   3386
   3387		/* After this point no MFW attentions are expected, e.g. prevent
   3388		 * race between pf stop and dcbx pf update.
   3389		 */
   3390		rc = qed_sp_pf_stop(p_hwfn);
   3391		if (rc) {
   3392			DP_NOTICE(p_hwfn,
   3393				  "Failed to close PF against FW [rc = %d]. Continue to stop HW to prevent illegal host access by the device.\n",
   3394				  rc);
   3395			rc2 = -EINVAL;
   3396		}
   3397
   3398		qed_wr(p_hwfn, p_ptt,
   3399		       NIG_REG_RX_LLH_BRB_GATE_DNTFWD_PERPF, 0x1);
   3400
   3401		qed_wr(p_hwfn, p_ptt, PRS_REG_SEARCH_TCP, 0x0);
   3402		qed_wr(p_hwfn, p_ptt, PRS_REG_SEARCH_UDP, 0x0);
   3403		qed_wr(p_hwfn, p_ptt, PRS_REG_SEARCH_FCOE, 0x0);
   3404		qed_wr(p_hwfn, p_ptt, PRS_REG_SEARCH_ROCE, 0x0);
   3405		qed_wr(p_hwfn, p_ptt, PRS_REG_SEARCH_OPENFLOW, 0x0);
   3406
   3407		qed_hw_timers_stop(cdev, p_hwfn, p_ptt);
   3408
   3409		/* Disable Attention Generation */
   3410		qed_int_igu_disable_int(p_hwfn, p_ptt);
   3411
   3412		qed_wr(p_hwfn, p_ptt, IGU_REG_LEADING_EDGE_LATCH, 0);
   3413		qed_wr(p_hwfn, p_ptt, IGU_REG_TRAILING_EDGE_LATCH, 0);
   3414
   3415		qed_int_igu_init_pure_rt(p_hwfn, p_ptt, false, true);
   3416
   3417		/* Need to wait 1ms to guarantee SBs are cleared */
   3418		usleep_range(1000, 2000);
   3419
   3420		/* Disable PF in HW blocks */
   3421		qed_wr(p_hwfn, p_ptt, DORQ_REG_PF_DB_ENABLE, 0);
   3422		qed_wr(p_hwfn, p_ptt, QM_REG_PF_EN, 0);
   3423
   3424		if (IS_LEAD_HWFN(p_hwfn) &&
   3425		    test_bit(QED_MF_LLH_MAC_CLSS, &cdev->mf_bits) &&
   3426		    !QED_IS_FCOE_PERSONALITY(p_hwfn))
   3427			qed_llh_remove_mac_filter(cdev, 0,
   3428						  p_hwfn->hw_info.hw_mac_addr);
   3429
   3430		if (!cdev->recov_in_prog) {
   3431			rc = qed_mcp_unload_done(p_hwfn, p_ptt);
   3432			if (rc) {
   3433				DP_NOTICE(p_hwfn,
   3434					  "Failed sending a UNLOAD_DONE command. rc = %d.\n",
   3435					  rc);
   3436				rc2 = -EINVAL;
   3437			}
   3438		}
   3439	}
   3440
   3441	if (IS_PF(cdev) && !cdev->recov_in_prog) {
   3442		p_hwfn = QED_LEADING_HWFN(cdev);
   3443		p_ptt = QED_LEADING_HWFN(cdev)->p_main_ptt;
   3444
   3445		/* Clear the PF's internal FID_enable in the PXP.
   3446		 * In CMT this should only be done for first hw-function, and
   3447		 * only after all transactions have stopped for all active
   3448		 * hw-functions.
   3449		 */
   3450		rc = qed_pglueb_set_pfid_enable(p_hwfn, p_ptt, false);
   3451		if (rc) {
   3452			DP_NOTICE(p_hwfn,
   3453				  "qed_pglueb_set_pfid_enable() failed. rc = %d.\n",
   3454				  rc);
   3455			rc2 = -EINVAL;
   3456		}
   3457	}
   3458
   3459	return rc2;
   3460}
   3461
   3462int qed_hw_stop_fastpath(struct qed_dev *cdev)
   3463{
   3464	int j;
   3465
   3466	for_each_hwfn(cdev, j) {
   3467		struct qed_hwfn *p_hwfn = &cdev->hwfns[j];
   3468		struct qed_ptt *p_ptt;
   3469
   3470		if (IS_VF(cdev)) {
   3471			qed_vf_pf_int_cleanup(p_hwfn);
   3472			continue;
   3473		}
   3474		p_ptt = qed_ptt_acquire(p_hwfn);
   3475		if (!p_ptt)
   3476			return -EAGAIN;
   3477
   3478		DP_VERBOSE(p_hwfn,
   3479			   NETIF_MSG_IFDOWN, "Shutting down the fastpath\n");
   3480
   3481		qed_wr(p_hwfn, p_ptt,
   3482		       NIG_REG_RX_LLH_BRB_GATE_DNTFWD_PERPF, 0x1);
   3483
   3484		qed_wr(p_hwfn, p_ptt, PRS_REG_SEARCH_TCP, 0x0);
   3485		qed_wr(p_hwfn, p_ptt, PRS_REG_SEARCH_UDP, 0x0);
   3486		qed_wr(p_hwfn, p_ptt, PRS_REG_SEARCH_FCOE, 0x0);
   3487		qed_wr(p_hwfn, p_ptt, PRS_REG_SEARCH_ROCE, 0x0);
   3488		qed_wr(p_hwfn, p_ptt, PRS_REG_SEARCH_OPENFLOW, 0x0);
   3489
   3490		qed_int_igu_init_pure_rt(p_hwfn, p_ptt, false, false);
   3491
   3492		/* Need to wait 1ms to guarantee SBs are cleared */
   3493		usleep_range(1000, 2000);
   3494		qed_ptt_release(p_hwfn, p_ptt);
   3495	}
   3496
   3497	return 0;
   3498}
   3499
   3500int qed_hw_start_fastpath(struct qed_hwfn *p_hwfn)
   3501{
   3502	struct qed_ptt *p_ptt;
   3503
   3504	if (IS_VF(p_hwfn->cdev))
   3505		return 0;
   3506
   3507	p_ptt = qed_ptt_acquire(p_hwfn);
   3508	if (!p_ptt)
   3509		return -EAGAIN;
   3510
   3511	if (p_hwfn->p_rdma_info &&
   3512	    p_hwfn->p_rdma_info->active && p_hwfn->b_rdma_enabled_in_prs)
   3513		qed_wr(p_hwfn, p_ptt, p_hwfn->rdma_prs_search_reg, 0x1);
   3514
   3515	/* Re-open incoming traffic */
   3516	qed_wr(p_hwfn, p_ptt, NIG_REG_RX_LLH_BRB_GATE_DNTFWD_PERPF, 0x0);
   3517	qed_ptt_release(p_hwfn, p_ptt);
   3518
   3519	return 0;
   3520}
   3521
   3522/* Free hwfn memory and resources acquired in hw_hwfn_prepare */
   3523static void qed_hw_hwfn_free(struct qed_hwfn *p_hwfn)
   3524{
   3525	qed_ptt_pool_free(p_hwfn);
   3526	kfree(p_hwfn->hw_info.p_igu_info);
   3527	p_hwfn->hw_info.p_igu_info = NULL;
   3528}
   3529
   3530/* Setup bar access */
   3531static void qed_hw_hwfn_prepare(struct qed_hwfn *p_hwfn)
   3532{
   3533	/* clear indirect access */
   3534	if (QED_IS_AH(p_hwfn->cdev)) {
   3535		qed_wr(p_hwfn, p_hwfn->p_main_ptt,
   3536		       PGLUE_B_REG_PGL_ADDR_E8_F0_K2, 0);
   3537		qed_wr(p_hwfn, p_hwfn->p_main_ptt,
   3538		       PGLUE_B_REG_PGL_ADDR_EC_F0_K2, 0);
   3539		qed_wr(p_hwfn, p_hwfn->p_main_ptt,
   3540		       PGLUE_B_REG_PGL_ADDR_F0_F0_K2, 0);
   3541		qed_wr(p_hwfn, p_hwfn->p_main_ptt,
   3542		       PGLUE_B_REG_PGL_ADDR_F4_F0_K2, 0);
   3543	} else {
   3544		qed_wr(p_hwfn, p_hwfn->p_main_ptt,
   3545		       PGLUE_B_REG_PGL_ADDR_88_F0_BB, 0);
   3546		qed_wr(p_hwfn, p_hwfn->p_main_ptt,
   3547		       PGLUE_B_REG_PGL_ADDR_8C_F0_BB, 0);
   3548		qed_wr(p_hwfn, p_hwfn->p_main_ptt,
   3549		       PGLUE_B_REG_PGL_ADDR_90_F0_BB, 0);
   3550		qed_wr(p_hwfn, p_hwfn->p_main_ptt,
   3551		       PGLUE_B_REG_PGL_ADDR_94_F0_BB, 0);
   3552	}
   3553
   3554	/* Clean previous pglue_b errors if such exist */
   3555	qed_pglueb_clear_err(p_hwfn, p_hwfn->p_main_ptt);
   3556
   3557	/* enable internal target-read */
   3558	qed_wr(p_hwfn, p_hwfn->p_main_ptt,
   3559	       PGLUE_B_REG_INTERNAL_PFID_ENABLE_TARGET_READ, 1);
   3560}
   3561
   3562static void get_function_id(struct qed_hwfn *p_hwfn)
   3563{
   3564	/* ME Register */
   3565	p_hwfn->hw_info.opaque_fid = (u16)REG_RD(p_hwfn,
   3566						 PXP_PF_ME_OPAQUE_ADDR);
   3567
   3568	p_hwfn->hw_info.concrete_fid = REG_RD(p_hwfn, PXP_PF_ME_CONCRETE_ADDR);
   3569
   3570	p_hwfn->abs_pf_id = (p_hwfn->hw_info.concrete_fid >> 16) & 0xf;
   3571	p_hwfn->rel_pf_id = GET_FIELD(p_hwfn->hw_info.concrete_fid,
   3572				      PXP_CONCRETE_FID_PFID);
   3573	p_hwfn->port_id = GET_FIELD(p_hwfn->hw_info.concrete_fid,
   3574				    PXP_CONCRETE_FID_PORT);
   3575
   3576	DP_VERBOSE(p_hwfn, NETIF_MSG_PROBE,
   3577		   "Read ME register: Concrete 0x%08x Opaque 0x%04x\n",
   3578		   p_hwfn->hw_info.concrete_fid, p_hwfn->hw_info.opaque_fid);
   3579}
   3580
   3581static void qed_hw_set_feat(struct qed_hwfn *p_hwfn)
   3582{
   3583	u32 *feat_num = p_hwfn->hw_info.feat_num;
   3584	struct qed_sb_cnt_info sb_cnt;
   3585	u32 non_l2_sbs = 0;
   3586
   3587	memset(&sb_cnt, 0, sizeof(sb_cnt));
   3588	qed_int_get_num_sbs(p_hwfn, &sb_cnt);
   3589
   3590	if (IS_ENABLED(CONFIG_QED_RDMA) &&
   3591	    QED_IS_RDMA_PERSONALITY(p_hwfn)) {
   3592		/* Roce CNQ each requires: 1 status block + 1 CNQ. We divide
   3593		 * the status blocks equally between L2 / RoCE but with
   3594		 * consideration as to how many l2 queues / cnqs we have.
   3595		 */
   3596		feat_num[QED_RDMA_CNQ] =
   3597			min_t(u32, sb_cnt.cnt / 2,
   3598			      RESC_NUM(p_hwfn, QED_RDMA_CNQ_RAM));
   3599
   3600		non_l2_sbs = feat_num[QED_RDMA_CNQ];
   3601	}
   3602	if (QED_IS_L2_PERSONALITY(p_hwfn)) {
   3603		/* Start by allocating VF queues, then PF's */
   3604		feat_num[QED_VF_L2_QUE] = min_t(u32,
   3605						RESC_NUM(p_hwfn, QED_L2_QUEUE),
   3606						sb_cnt.iov_cnt);
   3607		feat_num[QED_PF_L2_QUE] = min_t(u32,
   3608						sb_cnt.cnt - non_l2_sbs,
   3609						RESC_NUM(p_hwfn,
   3610							 QED_L2_QUEUE) -
   3611						FEAT_NUM(p_hwfn,
   3612							 QED_VF_L2_QUE));
   3613	}
   3614
   3615	if (QED_IS_FCOE_PERSONALITY(p_hwfn))
   3616		feat_num[QED_FCOE_CQ] =  min_t(u32, sb_cnt.cnt,
   3617					       RESC_NUM(p_hwfn,
   3618							QED_CMDQS_CQS));
   3619
   3620	if (QED_IS_ISCSI_PERSONALITY(p_hwfn))
   3621		feat_num[QED_ISCSI_CQ] = min_t(u32, sb_cnt.cnt,
   3622					       RESC_NUM(p_hwfn,
   3623							QED_CMDQS_CQS));
   3624
   3625	if (QED_IS_NVMETCP_PERSONALITY(p_hwfn))
   3626		feat_num[QED_NVMETCP_CQ] = min_t(u32, sb_cnt.cnt,
   3627						 RESC_NUM(p_hwfn,
   3628							  QED_CMDQS_CQS));
   3629
   3630	DP_VERBOSE(p_hwfn,
   3631		   NETIF_MSG_PROBE,
   3632		   "#PF_L2_QUEUES=%d VF_L2_QUEUES=%d #ROCE_CNQ=%d FCOE_CQ=%d ISCSI_CQ=%d NVMETCP_CQ=%d #SBS=%d\n",
   3633		   (int)FEAT_NUM(p_hwfn, QED_PF_L2_QUE),
   3634		   (int)FEAT_NUM(p_hwfn, QED_VF_L2_QUE),
   3635		   (int)FEAT_NUM(p_hwfn, QED_RDMA_CNQ),
   3636		   (int)FEAT_NUM(p_hwfn, QED_FCOE_CQ),
   3637		   (int)FEAT_NUM(p_hwfn, QED_ISCSI_CQ),
   3638		   (int)FEAT_NUM(p_hwfn, QED_NVMETCP_CQ),
   3639		   (int)sb_cnt.cnt);
   3640}
   3641
   3642const char *qed_hw_get_resc_name(enum qed_resources res_id)
   3643{
   3644	switch (res_id) {
   3645	case QED_L2_QUEUE:
   3646		return "L2_QUEUE";
   3647	case QED_VPORT:
   3648		return "VPORT";
   3649	case QED_RSS_ENG:
   3650		return "RSS_ENG";
   3651	case QED_PQ:
   3652		return "PQ";
   3653	case QED_RL:
   3654		return "RL";
   3655	case QED_MAC:
   3656		return "MAC";
   3657	case QED_VLAN:
   3658		return "VLAN";
   3659	case QED_RDMA_CNQ_RAM:
   3660		return "RDMA_CNQ_RAM";
   3661	case QED_ILT:
   3662		return "ILT";
   3663	case QED_LL2_RAM_QUEUE:
   3664		return "LL2_RAM_QUEUE";
   3665	case QED_LL2_CTX_QUEUE:
   3666		return "LL2_CTX_QUEUE";
   3667	case QED_CMDQS_CQS:
   3668		return "CMDQS_CQS";
   3669	case QED_RDMA_STATS_QUEUE:
   3670		return "RDMA_STATS_QUEUE";
   3671	case QED_BDQ:
   3672		return "BDQ";
   3673	case QED_SB:
   3674		return "SB";
   3675	default:
   3676		return "UNKNOWN_RESOURCE";
   3677	}
   3678}
   3679
   3680static int
   3681__qed_hw_set_soft_resc_size(struct qed_hwfn *p_hwfn,
   3682			    struct qed_ptt *p_ptt,
   3683			    enum qed_resources res_id,
   3684			    u32 resc_max_val, u32 *p_mcp_resp)
   3685{
   3686	int rc;
   3687
   3688	rc = qed_mcp_set_resc_max_val(p_hwfn, p_ptt, res_id,
   3689				      resc_max_val, p_mcp_resp);
   3690	if (rc) {
   3691		DP_NOTICE(p_hwfn,
   3692			  "MFW response failure for a max value setting of resource %d [%s]\n",
   3693			  res_id, qed_hw_get_resc_name(res_id));
   3694		return rc;
   3695	}
   3696
   3697	if (*p_mcp_resp != FW_MSG_CODE_RESOURCE_ALLOC_OK)
   3698		DP_INFO(p_hwfn,
   3699			"Failed to set the max value of resource %d [%s]. mcp_resp = 0x%08x.\n",
   3700			res_id, qed_hw_get_resc_name(res_id), *p_mcp_resp);
   3701
   3702	return 0;
   3703}
   3704
   3705static u32 qed_hsi_def_val[][MAX_CHIP_IDS] = {
   3706	{MAX_NUM_VFS_BB, MAX_NUM_VFS_K2},
   3707	{MAX_NUM_L2_QUEUES_BB, MAX_NUM_L2_QUEUES_K2},
   3708	{MAX_NUM_PORTS_BB, MAX_NUM_PORTS_K2},
   3709	{MAX_SB_PER_PATH_BB, MAX_SB_PER_PATH_K2,},
   3710	{MAX_NUM_PFS_BB, MAX_NUM_PFS_K2},
   3711	{MAX_NUM_VPORTS_BB, MAX_NUM_VPORTS_K2},
   3712	{ETH_RSS_ENGINE_NUM_BB, ETH_RSS_ENGINE_NUM_K2},
   3713	{MAX_QM_TX_QUEUES_BB, MAX_QM_TX_QUEUES_K2},
   3714	{PXP_NUM_ILT_RECORDS_BB, PXP_NUM_ILT_RECORDS_K2},
   3715	{RDMA_NUM_STATISTIC_COUNTERS_BB, RDMA_NUM_STATISTIC_COUNTERS_K2},
   3716	{MAX_QM_GLOBAL_RLS, MAX_QM_GLOBAL_RLS},
   3717	{PBF_MAX_CMD_LINES, PBF_MAX_CMD_LINES},
   3718	{BTB_MAX_BLOCKS_BB, BTB_MAX_BLOCKS_K2},
   3719};
   3720
   3721u32 qed_get_hsi_def_val(struct qed_dev *cdev, enum qed_hsi_def_type type)
   3722{
   3723	enum chip_ids chip_id = QED_IS_BB(cdev) ? CHIP_BB : CHIP_K2;
   3724
   3725	if (type >= QED_NUM_HSI_DEFS) {
   3726		DP_ERR(cdev, "Unexpected HSI definition type [%d]\n", type);
   3727		return 0;
   3728	}
   3729
   3730	return qed_hsi_def_val[type][chip_id];
   3731}
   3732
   3733static int
   3734qed_hw_set_soft_resc_size(struct qed_hwfn *p_hwfn, struct qed_ptt *p_ptt)
   3735{
   3736	u32 resc_max_val, mcp_resp;
   3737	u8 res_id;
   3738	int rc;
   3739
   3740	for (res_id = 0; res_id < QED_MAX_RESC; res_id++) {
   3741		switch (res_id) {
   3742		case QED_LL2_RAM_QUEUE:
   3743			resc_max_val = MAX_NUM_LL2_RX_RAM_QUEUES;
   3744			break;
   3745		case QED_LL2_CTX_QUEUE:
   3746			resc_max_val = MAX_NUM_LL2_RX_CTX_QUEUES;
   3747			break;
   3748		case QED_RDMA_CNQ_RAM:
   3749			/* No need for a case for QED_CMDQS_CQS since
   3750			 * CNQ/CMDQS are the same resource.
   3751			 */
   3752			resc_max_val = NUM_OF_GLOBAL_QUEUES;
   3753			break;
   3754		case QED_RDMA_STATS_QUEUE:
   3755			resc_max_val =
   3756			    NUM_OF_RDMA_STATISTIC_COUNTERS(p_hwfn->cdev);
   3757			break;
   3758		case QED_BDQ:
   3759			resc_max_val = BDQ_NUM_RESOURCES;
   3760			break;
   3761		default:
   3762			continue;
   3763		}
   3764
   3765		rc = __qed_hw_set_soft_resc_size(p_hwfn, p_ptt, res_id,
   3766						 resc_max_val, &mcp_resp);
   3767		if (rc)
   3768			return rc;
   3769
   3770		/* There's no point to continue to the next resource if the
   3771		 * command is not supported by the MFW.
   3772		 * We do continue if the command is supported but the resource
   3773		 * is unknown to the MFW. Such a resource will be later
   3774		 * configured with the default allocation values.
   3775		 */
   3776		if (mcp_resp == FW_MSG_CODE_UNSUPPORTED)
   3777			return -EINVAL;
   3778	}
   3779
   3780	return 0;
   3781}
   3782
   3783static
   3784int qed_hw_get_dflt_resc(struct qed_hwfn *p_hwfn,
   3785			 enum qed_resources res_id,
   3786			 u32 *p_resc_num, u32 *p_resc_start)
   3787{
   3788	u8 num_funcs = p_hwfn->num_funcs_on_engine;
   3789	struct qed_dev *cdev = p_hwfn->cdev;
   3790
   3791	switch (res_id) {
   3792	case QED_L2_QUEUE:
   3793		*p_resc_num = NUM_OF_L2_QUEUES(cdev) / num_funcs;
   3794		break;
   3795	case QED_VPORT:
   3796		*p_resc_num = NUM_OF_VPORTS(cdev) / num_funcs;
   3797		break;
   3798	case QED_RSS_ENG:
   3799		*p_resc_num = NUM_OF_RSS_ENGINES(cdev) / num_funcs;
   3800		break;
   3801	case QED_PQ:
   3802		*p_resc_num = NUM_OF_QM_TX_QUEUES(cdev) / num_funcs;
   3803		*p_resc_num &= ~0x7;	/* The granularity of the PQs is 8 */
   3804		break;
   3805	case QED_RL:
   3806		*p_resc_num = NUM_OF_QM_GLOBAL_RLS(cdev) / num_funcs;
   3807		break;
   3808	case QED_MAC:
   3809	case QED_VLAN:
   3810		/* Each VFC resource can accommodate both a MAC and a VLAN */
   3811		*p_resc_num = ETH_NUM_MAC_FILTERS / num_funcs;
   3812		break;
   3813	case QED_ILT:
   3814		*p_resc_num = NUM_OF_PXP_ILT_RECORDS(cdev) / num_funcs;
   3815		break;
   3816	case QED_LL2_RAM_QUEUE:
   3817		*p_resc_num = MAX_NUM_LL2_RX_RAM_QUEUES / num_funcs;
   3818		break;
   3819	case QED_LL2_CTX_QUEUE:
   3820		*p_resc_num = MAX_NUM_LL2_RX_CTX_QUEUES / num_funcs;
   3821		break;
   3822	case QED_RDMA_CNQ_RAM:
   3823	case QED_CMDQS_CQS:
   3824		/* CNQ/CMDQS are the same resource */
   3825		*p_resc_num = NUM_OF_GLOBAL_QUEUES / num_funcs;
   3826		break;
   3827	case QED_RDMA_STATS_QUEUE:
   3828		*p_resc_num = NUM_OF_RDMA_STATISTIC_COUNTERS(cdev) / num_funcs;
   3829		break;
   3830	case QED_BDQ:
   3831		if (p_hwfn->hw_info.personality != QED_PCI_ISCSI &&
   3832		    p_hwfn->hw_info.personality != QED_PCI_FCOE &&
   3833			p_hwfn->hw_info.personality != QED_PCI_NVMETCP)
   3834			*p_resc_num = 0;
   3835		else
   3836			*p_resc_num = 1;
   3837		break;
   3838	case QED_SB:
   3839		/* Since we want its value to reflect whether MFW supports
   3840		 * the new scheme, have a default of 0.
   3841		 */
   3842		*p_resc_num = 0;
   3843		break;
   3844	default:
   3845		return -EINVAL;
   3846	}
   3847
   3848	switch (res_id) {
   3849	case QED_BDQ:
   3850		if (!*p_resc_num)
   3851			*p_resc_start = 0;
   3852		else if (p_hwfn->cdev->num_ports_in_engine == 4)
   3853			*p_resc_start = p_hwfn->port_id;
   3854		else if (p_hwfn->hw_info.personality == QED_PCI_ISCSI ||
   3855			 p_hwfn->hw_info.personality == QED_PCI_NVMETCP)
   3856			*p_resc_start = p_hwfn->port_id;
   3857		else if (p_hwfn->hw_info.personality == QED_PCI_FCOE)
   3858			*p_resc_start = p_hwfn->port_id + 2;
   3859		break;
   3860	default:
   3861		*p_resc_start = *p_resc_num * p_hwfn->enabled_func_idx;
   3862		break;
   3863	}
   3864
   3865	return 0;
   3866}
   3867
   3868static int __qed_hw_set_resc_info(struct qed_hwfn *p_hwfn,
   3869				  enum qed_resources res_id)
   3870{
   3871	u32 dflt_resc_num = 0, dflt_resc_start = 0;
   3872	u32 mcp_resp, *p_resc_num, *p_resc_start;
   3873	int rc;
   3874
   3875	p_resc_num = &RESC_NUM(p_hwfn, res_id);
   3876	p_resc_start = &RESC_START(p_hwfn, res_id);
   3877
   3878	rc = qed_hw_get_dflt_resc(p_hwfn, res_id, &dflt_resc_num,
   3879				  &dflt_resc_start);
   3880	if (rc) {
   3881		DP_ERR(p_hwfn,
   3882		       "Failed to get default amount for resource %d [%s]\n",
   3883		       res_id, qed_hw_get_resc_name(res_id));
   3884		return rc;
   3885	}
   3886
   3887	rc = qed_mcp_get_resc_info(p_hwfn, p_hwfn->p_main_ptt, res_id,
   3888				   &mcp_resp, p_resc_num, p_resc_start);
   3889	if (rc) {
   3890		DP_NOTICE(p_hwfn,
   3891			  "MFW response failure for an allocation request for resource %d [%s]\n",
   3892			  res_id, qed_hw_get_resc_name(res_id));
   3893		return rc;
   3894	}
   3895
   3896	/* Default driver values are applied in the following cases:
   3897	 * - The resource allocation MB command is not supported by the MFW
   3898	 * - There is an internal error in the MFW while processing the request
   3899	 * - The resource ID is unknown to the MFW
   3900	 */
   3901	if (mcp_resp != FW_MSG_CODE_RESOURCE_ALLOC_OK) {
   3902		DP_INFO(p_hwfn,
   3903			"Failed to receive allocation info for resource %d [%s]. mcp_resp = 0x%x. Applying default values [%d,%d].\n",
   3904			res_id,
   3905			qed_hw_get_resc_name(res_id),
   3906			mcp_resp, dflt_resc_num, dflt_resc_start);
   3907		*p_resc_num = dflt_resc_num;
   3908		*p_resc_start = dflt_resc_start;
   3909		goto out;
   3910	}
   3911
   3912out:
   3913	/* PQs have to divide by 8 [that's the HW granularity].
   3914	 * Reduce number so it would fit.
   3915	 */
   3916	if ((res_id == QED_PQ) && ((*p_resc_num % 8) || (*p_resc_start % 8))) {
   3917		DP_INFO(p_hwfn,
   3918			"PQs need to align by 8; Number %08x --> %08x, Start %08x --> %08x\n",
   3919			*p_resc_num,
   3920			(*p_resc_num) & ~0x7,
   3921			*p_resc_start, (*p_resc_start) & ~0x7);
   3922		*p_resc_num &= ~0x7;
   3923		*p_resc_start &= ~0x7;
   3924	}
   3925
   3926	return 0;
   3927}
   3928
   3929static int qed_hw_set_resc_info(struct qed_hwfn *p_hwfn)
   3930{
   3931	int rc;
   3932	u8 res_id;
   3933
   3934	for (res_id = 0; res_id < QED_MAX_RESC; res_id++) {
   3935		rc = __qed_hw_set_resc_info(p_hwfn, res_id);
   3936		if (rc)
   3937			return rc;
   3938	}
   3939
   3940	return 0;
   3941}
   3942
   3943static int qed_hw_get_ppfid_bitmap(struct qed_hwfn *p_hwfn,
   3944				   struct qed_ptt *p_ptt)
   3945{
   3946	struct qed_dev *cdev = p_hwfn->cdev;
   3947	u8 native_ppfid_idx;
   3948	int rc;
   3949
   3950	/* Calculation of BB/AH is different for native_ppfid_idx */
   3951	if (QED_IS_BB(cdev))
   3952		native_ppfid_idx = p_hwfn->rel_pf_id;
   3953	else
   3954		native_ppfid_idx = p_hwfn->rel_pf_id /
   3955		    cdev->num_ports_in_engine;
   3956
   3957	rc = qed_mcp_get_ppfid_bitmap(p_hwfn, p_ptt);
   3958	if (rc != 0 && rc != -EOPNOTSUPP)
   3959		return rc;
   3960	else if (rc == -EOPNOTSUPP)
   3961		cdev->ppfid_bitmap = 0x1 << native_ppfid_idx;
   3962
   3963	if (!(cdev->ppfid_bitmap & (0x1 << native_ppfid_idx))) {
   3964		DP_INFO(p_hwfn,
   3965			"Fix the PPFID bitmap to include the native PPFID [native_ppfid_idx %hhd, orig_bitmap 0x%hhx]\n",
   3966			native_ppfid_idx, cdev->ppfid_bitmap);
   3967		cdev->ppfid_bitmap = 0x1 << native_ppfid_idx;
   3968	}
   3969
   3970	return 0;
   3971}
   3972
   3973static int qed_hw_get_resc(struct qed_hwfn *p_hwfn, struct qed_ptt *p_ptt)
   3974{
   3975	struct qed_resc_unlock_params resc_unlock_params;
   3976	struct qed_resc_lock_params resc_lock_params;
   3977	bool b_ah = QED_IS_AH(p_hwfn->cdev);
   3978	u8 res_id;
   3979	int rc;
   3980
   3981	/* Setting the max values of the soft resources and the following
   3982	 * resources allocation queries should be atomic. Since several PFs can
   3983	 * run in parallel - a resource lock is needed.
   3984	 * If either the resource lock or resource set value commands are not
   3985	 * supported - skip the max values setting, release the lock if
   3986	 * needed, and proceed to the queries. Other failures, including a
   3987	 * failure to acquire the lock, will cause this function to fail.
   3988	 */
   3989	qed_mcp_resc_lock_default_init(&resc_lock_params, &resc_unlock_params,
   3990				       QED_RESC_LOCK_RESC_ALLOC, false);
   3991
   3992	rc = qed_mcp_resc_lock(p_hwfn, p_ptt, &resc_lock_params);
   3993	if (rc && rc != -EINVAL) {
   3994		return rc;
   3995	} else if (rc == -EINVAL) {
   3996		DP_INFO(p_hwfn,
   3997			"Skip the max values setting of the soft resources since the resource lock is not supported by the MFW\n");
   3998	} else if (!resc_lock_params.b_granted) {
   3999		DP_NOTICE(p_hwfn,
   4000			  "Failed to acquire the resource lock for the resource allocation commands\n");
   4001		return -EBUSY;
   4002	} else {
   4003		rc = qed_hw_set_soft_resc_size(p_hwfn, p_ptt);
   4004		if (rc && rc != -EINVAL) {
   4005			DP_NOTICE(p_hwfn,
   4006				  "Failed to set the max values of the soft resources\n");
   4007			goto unlock_and_exit;
   4008		} else if (rc == -EINVAL) {
   4009			DP_INFO(p_hwfn,
   4010				"Skip the max values setting of the soft resources since it is not supported by the MFW\n");
   4011			rc = qed_mcp_resc_unlock(p_hwfn, p_ptt,
   4012						 &resc_unlock_params);
   4013			if (rc)
   4014				DP_INFO(p_hwfn,
   4015					"Failed to release the resource lock for the resource allocation commands\n");
   4016		}
   4017	}
   4018
   4019	rc = qed_hw_set_resc_info(p_hwfn);
   4020	if (rc)
   4021		goto unlock_and_exit;
   4022
   4023	if (resc_lock_params.b_granted && !resc_unlock_params.b_released) {
   4024		rc = qed_mcp_resc_unlock(p_hwfn, p_ptt, &resc_unlock_params);
   4025		if (rc)
   4026			DP_INFO(p_hwfn,
   4027				"Failed to release the resource lock for the resource allocation commands\n");
   4028	}
   4029
   4030	/* PPFID bitmap */
   4031	if (IS_LEAD_HWFN(p_hwfn)) {
   4032		rc = qed_hw_get_ppfid_bitmap(p_hwfn, p_ptt);
   4033		if (rc)
   4034			return rc;
   4035	}
   4036
   4037	/* Sanity for ILT */
   4038	if ((b_ah && (RESC_END(p_hwfn, QED_ILT) > PXP_NUM_ILT_RECORDS_K2)) ||
   4039	    (!b_ah && (RESC_END(p_hwfn, QED_ILT) > PXP_NUM_ILT_RECORDS_BB))) {
   4040		DP_NOTICE(p_hwfn, "Can't assign ILT pages [%08x,...,%08x]\n",
   4041			  RESC_START(p_hwfn, QED_ILT),
   4042			  RESC_END(p_hwfn, QED_ILT) - 1);
   4043		return -EINVAL;
   4044	}
   4045
   4046	/* This will also learn the number of SBs from MFW */
   4047	if (qed_int_igu_reset_cam(p_hwfn, p_ptt))
   4048		return -EINVAL;
   4049
   4050	qed_hw_set_feat(p_hwfn);
   4051
   4052	for (res_id = 0; res_id < QED_MAX_RESC; res_id++)
   4053		DP_VERBOSE(p_hwfn, NETIF_MSG_PROBE, "%s = %d start = %d\n",
   4054			   qed_hw_get_resc_name(res_id),
   4055			   RESC_NUM(p_hwfn, res_id),
   4056			   RESC_START(p_hwfn, res_id));
   4057
   4058	return 0;
   4059
   4060unlock_and_exit:
   4061	if (resc_lock_params.b_granted && !resc_unlock_params.b_released)
   4062		qed_mcp_resc_unlock(p_hwfn, p_ptt, &resc_unlock_params);
   4063	return rc;
   4064}
   4065
   4066static int qed_hw_get_nvm_info(struct qed_hwfn *p_hwfn, struct qed_ptt *p_ptt)
   4067{
   4068	u32 port_cfg_addr, link_temp, nvm_cfg_addr, device_capabilities, fld;
   4069	u32 nvm_cfg1_offset, mf_mode, addr, generic_cont0, core_cfg;
   4070	struct qed_mcp_link_speed_params *ext_speed;
   4071	struct qed_mcp_link_capabilities *p_caps;
   4072	struct qed_mcp_link_params *link;
   4073	int i;
   4074
   4075	/* Read global nvm_cfg address */
   4076	nvm_cfg_addr = qed_rd(p_hwfn, p_ptt, MISC_REG_GEN_PURP_CR0);
   4077
   4078	/* Verify MCP has initialized it */
   4079	if (!nvm_cfg_addr) {
   4080		DP_NOTICE(p_hwfn, "Shared memory not initialized\n");
   4081		return -EINVAL;
   4082	}
   4083
   4084	/* Read nvm_cfg1  (Notice this is just offset, and not offsize (TBD) */
   4085	nvm_cfg1_offset = qed_rd(p_hwfn, p_ptt, nvm_cfg_addr + 4);
   4086
   4087	addr = MCP_REG_SCRATCH + nvm_cfg1_offset +
   4088	       offsetof(struct nvm_cfg1, glob) +
   4089	       offsetof(struct nvm_cfg1_glob, core_cfg);
   4090
   4091	core_cfg = qed_rd(p_hwfn, p_ptt, addr);
   4092
   4093	switch ((core_cfg & NVM_CFG1_GLOB_NETWORK_PORT_MODE_MASK) >>
   4094		NVM_CFG1_GLOB_NETWORK_PORT_MODE_OFFSET) {
   4095	case NVM_CFG1_GLOB_NETWORK_PORT_MODE_BB_2X40G:
   4096	case NVM_CFG1_GLOB_NETWORK_PORT_MODE_2X50G:
   4097	case NVM_CFG1_GLOB_NETWORK_PORT_MODE_BB_1X100G:
   4098	case NVM_CFG1_GLOB_NETWORK_PORT_MODE_4X10G_F:
   4099	case NVM_CFG1_GLOB_NETWORK_PORT_MODE_BB_4X10G_E:
   4100	case NVM_CFG1_GLOB_NETWORK_PORT_MODE_BB_4X20G:
   4101	case NVM_CFG1_GLOB_NETWORK_PORT_MODE_1X40G:
   4102	case NVM_CFG1_GLOB_NETWORK_PORT_MODE_2X25G:
   4103	case NVM_CFG1_GLOB_NETWORK_PORT_MODE_2X10G:
   4104	case NVM_CFG1_GLOB_NETWORK_PORT_MODE_1X25G:
   4105	case NVM_CFG1_GLOB_NETWORK_PORT_MODE_4X25G:
   4106	case NVM_CFG1_GLOB_NETWORK_PORT_MODE_AHP_2X50G_R1:
   4107	case NVM_CFG1_GLOB_NETWORK_PORT_MODE_AHP_4X50G_R1:
   4108	case NVM_CFG1_GLOB_NETWORK_PORT_MODE_AHP_1X100G_R2:
   4109	case NVM_CFG1_GLOB_NETWORK_PORT_MODE_AHP_2X100G_R2:
   4110	case NVM_CFG1_GLOB_NETWORK_PORT_MODE_AHP_1X100G_R4:
   4111		break;
   4112	default:
   4113		DP_NOTICE(p_hwfn, "Unknown port mode in 0x%08x\n", core_cfg);
   4114		break;
   4115	}
   4116
   4117	/* Read default link configuration */
   4118	link = &p_hwfn->mcp_info->link_input;
   4119	p_caps = &p_hwfn->mcp_info->link_capabilities;
   4120	port_cfg_addr = MCP_REG_SCRATCH + nvm_cfg1_offset +
   4121			offsetof(struct nvm_cfg1, port[MFW_PORT(p_hwfn)]);
   4122	link_temp = qed_rd(p_hwfn, p_ptt,
   4123			   port_cfg_addr +
   4124			   offsetof(struct nvm_cfg1_port, speed_cap_mask));
   4125	link_temp &= NVM_CFG1_PORT_DRV_SPEED_CAPABILITY_MASK_MASK;
   4126	link->speed.advertised_speeds = link_temp;
   4127
   4128	p_caps->speed_capabilities = link->speed.advertised_speeds;
   4129
   4130	link_temp = qed_rd(p_hwfn, p_ptt,
   4131			   port_cfg_addr +
   4132			   offsetof(struct nvm_cfg1_port, link_settings));
   4133	switch ((link_temp & NVM_CFG1_PORT_DRV_LINK_SPEED_MASK) >>
   4134		NVM_CFG1_PORT_DRV_LINK_SPEED_OFFSET) {
   4135	case NVM_CFG1_PORT_DRV_LINK_SPEED_AUTONEG:
   4136		link->speed.autoneg = true;
   4137		break;
   4138	case NVM_CFG1_PORT_DRV_LINK_SPEED_1G:
   4139		link->speed.forced_speed = 1000;
   4140		break;
   4141	case NVM_CFG1_PORT_DRV_LINK_SPEED_10G:
   4142		link->speed.forced_speed = 10000;
   4143		break;
   4144	case NVM_CFG1_PORT_DRV_LINK_SPEED_20G:
   4145		link->speed.forced_speed = 20000;
   4146		break;
   4147	case NVM_CFG1_PORT_DRV_LINK_SPEED_25G:
   4148		link->speed.forced_speed = 25000;
   4149		break;
   4150	case NVM_CFG1_PORT_DRV_LINK_SPEED_40G:
   4151		link->speed.forced_speed = 40000;
   4152		break;
   4153	case NVM_CFG1_PORT_DRV_LINK_SPEED_50G:
   4154		link->speed.forced_speed = 50000;
   4155		break;
   4156	case NVM_CFG1_PORT_DRV_LINK_SPEED_BB_100G:
   4157		link->speed.forced_speed = 100000;
   4158		break;
   4159	default:
   4160		DP_NOTICE(p_hwfn, "Unknown Speed in 0x%08x\n", link_temp);
   4161	}
   4162
   4163	p_caps->default_speed_autoneg = link->speed.autoneg;
   4164
   4165	fld = GET_MFW_FIELD(link_temp, NVM_CFG1_PORT_DRV_FLOW_CONTROL);
   4166	link->pause.autoneg = !!(fld & NVM_CFG1_PORT_DRV_FLOW_CONTROL_AUTONEG);
   4167	link->pause.forced_rx = !!(fld & NVM_CFG1_PORT_DRV_FLOW_CONTROL_RX);
   4168	link->pause.forced_tx = !!(fld & NVM_CFG1_PORT_DRV_FLOW_CONTROL_TX);
   4169	link->loopback_mode = 0;
   4170
   4171	if (p_hwfn->mcp_info->capabilities &
   4172	    FW_MB_PARAM_FEATURE_SUPPORT_FEC_CONTROL) {
   4173		switch (GET_MFW_FIELD(link_temp,
   4174				      NVM_CFG1_PORT_FEC_FORCE_MODE)) {
   4175		case NVM_CFG1_PORT_FEC_FORCE_MODE_NONE:
   4176			p_caps->fec_default |= QED_FEC_MODE_NONE;
   4177			break;
   4178		case NVM_CFG1_PORT_FEC_FORCE_MODE_FIRECODE:
   4179			p_caps->fec_default |= QED_FEC_MODE_FIRECODE;
   4180			break;
   4181		case NVM_CFG1_PORT_FEC_FORCE_MODE_RS:
   4182			p_caps->fec_default |= QED_FEC_MODE_RS;
   4183			break;
   4184		case NVM_CFG1_PORT_FEC_FORCE_MODE_AUTO:
   4185			p_caps->fec_default |= QED_FEC_MODE_AUTO;
   4186			break;
   4187		default:
   4188			DP_VERBOSE(p_hwfn, NETIF_MSG_LINK,
   4189				   "unknown FEC mode in 0x%08x\n", link_temp);
   4190		}
   4191	} else {
   4192		p_caps->fec_default = QED_FEC_MODE_UNSUPPORTED;
   4193	}
   4194
   4195	link->fec = p_caps->fec_default;
   4196
   4197	if (p_hwfn->mcp_info->capabilities & FW_MB_PARAM_FEATURE_SUPPORT_EEE) {
   4198		link_temp = qed_rd(p_hwfn, p_ptt, port_cfg_addr +
   4199				   offsetof(struct nvm_cfg1_port, ext_phy));
   4200		link_temp &= NVM_CFG1_PORT_EEE_POWER_SAVING_MODE_MASK;
   4201		link_temp >>= NVM_CFG1_PORT_EEE_POWER_SAVING_MODE_OFFSET;
   4202		p_caps->default_eee = QED_MCP_EEE_ENABLED;
   4203		link->eee.enable = true;
   4204		switch (link_temp) {
   4205		case NVM_CFG1_PORT_EEE_POWER_SAVING_MODE_DISABLED:
   4206			p_caps->default_eee = QED_MCP_EEE_DISABLED;
   4207			link->eee.enable = false;
   4208			break;
   4209		case NVM_CFG1_PORT_EEE_POWER_SAVING_MODE_BALANCED:
   4210			p_caps->eee_lpi_timer = EEE_TX_TIMER_USEC_BALANCED_TIME;
   4211			break;
   4212		case NVM_CFG1_PORT_EEE_POWER_SAVING_MODE_AGGRESSIVE:
   4213			p_caps->eee_lpi_timer =
   4214			    EEE_TX_TIMER_USEC_AGGRESSIVE_TIME;
   4215			break;
   4216		case NVM_CFG1_PORT_EEE_POWER_SAVING_MODE_LOW_LATENCY:
   4217			p_caps->eee_lpi_timer = EEE_TX_TIMER_USEC_LATENCY_TIME;
   4218			break;
   4219		}
   4220
   4221		link->eee.tx_lpi_timer = p_caps->eee_lpi_timer;
   4222		link->eee.tx_lpi_enable = link->eee.enable;
   4223		link->eee.adv_caps = QED_EEE_1G_ADV | QED_EEE_10G_ADV;
   4224	} else {
   4225		p_caps->default_eee = QED_MCP_EEE_UNSUPPORTED;
   4226	}
   4227
   4228	if (p_hwfn->mcp_info->capabilities &
   4229	    FW_MB_PARAM_FEATURE_SUPPORT_EXT_SPEED_FEC_CONTROL) {
   4230		ext_speed = &link->ext_speed;
   4231
   4232		link_temp = qed_rd(p_hwfn, p_ptt,
   4233				   port_cfg_addr +
   4234				   offsetof(struct nvm_cfg1_port,
   4235					    extended_speed));
   4236
   4237		fld = GET_MFW_FIELD(link_temp, NVM_CFG1_PORT_EXTENDED_SPEED);
   4238		if (fld & NVM_CFG1_PORT_EXTENDED_SPEED_EXTND_SPD_AN)
   4239			ext_speed->autoneg = true;
   4240
   4241		ext_speed->forced_speed = 0;
   4242		if (fld & NVM_CFG1_PORT_EXTENDED_SPEED_EXTND_SPD_1G)
   4243			ext_speed->forced_speed |= QED_EXT_SPEED_1G;
   4244		if (fld & NVM_CFG1_PORT_EXTENDED_SPEED_EXTND_SPD_10G)
   4245			ext_speed->forced_speed |= QED_EXT_SPEED_10G;
   4246		if (fld & NVM_CFG1_PORT_EXTENDED_SPEED_EXTND_SPD_20G)
   4247			ext_speed->forced_speed |= QED_EXT_SPEED_20G;
   4248		if (fld & NVM_CFG1_PORT_EXTENDED_SPEED_EXTND_SPD_25G)
   4249			ext_speed->forced_speed |= QED_EXT_SPEED_25G;
   4250		if (fld & NVM_CFG1_PORT_EXTENDED_SPEED_EXTND_SPD_40G)
   4251			ext_speed->forced_speed |= QED_EXT_SPEED_40G;
   4252		if (fld & NVM_CFG1_PORT_EXTENDED_SPEED_EXTND_SPD_50G_R)
   4253			ext_speed->forced_speed |= QED_EXT_SPEED_50G_R;
   4254		if (fld & NVM_CFG1_PORT_EXTENDED_SPEED_EXTND_SPD_50G_R2)
   4255			ext_speed->forced_speed |= QED_EXT_SPEED_50G_R2;
   4256		if (fld & NVM_CFG1_PORT_EXTENDED_SPEED_EXTND_SPD_100G_R2)
   4257			ext_speed->forced_speed |= QED_EXT_SPEED_100G_R2;
   4258		if (fld & NVM_CFG1_PORT_EXTENDED_SPEED_EXTND_SPD_100G_R4)
   4259			ext_speed->forced_speed |= QED_EXT_SPEED_100G_R4;
   4260		if (fld & NVM_CFG1_PORT_EXTENDED_SPEED_EXTND_SPD_100G_P4)
   4261			ext_speed->forced_speed |= QED_EXT_SPEED_100G_P4;
   4262
   4263		fld = GET_MFW_FIELD(link_temp,
   4264				    NVM_CFG1_PORT_EXTENDED_SPEED_CAP);
   4265
   4266		ext_speed->advertised_speeds = 0;
   4267		if (fld & NVM_CFG1_PORT_EXTENDED_SPEED_CAP_EXTND_SPD_RESERVED)
   4268			ext_speed->advertised_speeds |= QED_EXT_SPEED_MASK_RES;
   4269		if (fld & NVM_CFG1_PORT_EXTENDED_SPEED_CAP_EXTND_SPD_1G)
   4270			ext_speed->advertised_speeds |= QED_EXT_SPEED_MASK_1G;
   4271		if (fld & NVM_CFG1_PORT_EXTENDED_SPEED_CAP_EXTND_SPD_10G)
   4272			ext_speed->advertised_speeds |= QED_EXT_SPEED_MASK_10G;
   4273		if (fld & NVM_CFG1_PORT_EXTENDED_SPEED_CAP_EXTND_SPD_20G)
   4274			ext_speed->advertised_speeds |= QED_EXT_SPEED_MASK_20G;
   4275		if (fld & NVM_CFG1_PORT_EXTENDED_SPEED_CAP_EXTND_SPD_25G)
   4276			ext_speed->advertised_speeds |= QED_EXT_SPEED_MASK_25G;
   4277		if (fld & NVM_CFG1_PORT_EXTENDED_SPEED_CAP_EXTND_SPD_40G)
   4278			ext_speed->advertised_speeds |= QED_EXT_SPEED_MASK_40G;
   4279		if (fld & NVM_CFG1_PORT_EXTENDED_SPEED_CAP_EXTND_SPD_50G_R)
   4280			ext_speed->advertised_speeds |=
   4281				QED_EXT_SPEED_MASK_50G_R;
   4282		if (fld & NVM_CFG1_PORT_EXTENDED_SPEED_CAP_EXTND_SPD_50G_R2)
   4283			ext_speed->advertised_speeds |=
   4284				QED_EXT_SPEED_MASK_50G_R2;
   4285		if (fld & NVM_CFG1_PORT_EXTENDED_SPEED_CAP_EXTND_SPD_100G_R2)
   4286			ext_speed->advertised_speeds |=
   4287				QED_EXT_SPEED_MASK_100G_R2;
   4288		if (fld & NVM_CFG1_PORT_EXTENDED_SPEED_CAP_EXTND_SPD_100G_R4)
   4289			ext_speed->advertised_speeds |=
   4290				QED_EXT_SPEED_MASK_100G_R4;
   4291		if (fld & NVM_CFG1_PORT_EXTENDED_SPEED_CAP_EXTND_SPD_100G_P4)
   4292			ext_speed->advertised_speeds |=
   4293				QED_EXT_SPEED_MASK_100G_P4;
   4294
   4295		link_temp = qed_rd(p_hwfn, p_ptt,
   4296				   port_cfg_addr +
   4297				   offsetof(struct nvm_cfg1_port,
   4298					    extended_fec_mode));
   4299		link->ext_fec_mode = link_temp;
   4300
   4301		p_caps->default_ext_speed_caps = ext_speed->advertised_speeds;
   4302		p_caps->default_ext_speed = ext_speed->forced_speed;
   4303		p_caps->default_ext_autoneg = ext_speed->autoneg;
   4304		p_caps->default_ext_fec = link->ext_fec_mode;
   4305
   4306		DP_VERBOSE(p_hwfn, NETIF_MSG_LINK,
   4307			   "Read default extended link config: Speed 0x%08x, Adv. Speed 0x%08x, AN: 0x%02x, FEC: 0x%02x\n",
   4308			   ext_speed->forced_speed,
   4309			   ext_speed->advertised_speeds, ext_speed->autoneg,
   4310			   p_caps->default_ext_fec);
   4311	}
   4312
   4313	DP_VERBOSE(p_hwfn, NETIF_MSG_LINK,
   4314		   "Read default link: Speed 0x%08x, Adv. Speed 0x%08x, AN: 0x%02x, PAUSE AN: 0x%02x, EEE: 0x%02x [0x%08x usec], FEC: 0x%02x\n",
   4315		   link->speed.forced_speed, link->speed.advertised_speeds,
   4316		   link->speed.autoneg, link->pause.autoneg,
   4317		   p_caps->default_eee, p_caps->eee_lpi_timer,
   4318		   p_caps->fec_default);
   4319
   4320	if (IS_LEAD_HWFN(p_hwfn)) {
   4321		struct qed_dev *cdev = p_hwfn->cdev;
   4322
   4323		/* Read Multi-function information from shmem */
   4324		addr = MCP_REG_SCRATCH + nvm_cfg1_offset +
   4325		       offsetof(struct nvm_cfg1, glob) +
   4326		       offsetof(struct nvm_cfg1_glob, generic_cont0);
   4327
   4328		generic_cont0 = qed_rd(p_hwfn, p_ptt, addr);
   4329
   4330		mf_mode = (generic_cont0 & NVM_CFG1_GLOB_MF_MODE_MASK) >>
   4331			  NVM_CFG1_GLOB_MF_MODE_OFFSET;
   4332
   4333		switch (mf_mode) {
   4334		case NVM_CFG1_GLOB_MF_MODE_MF_ALLOWED:
   4335			cdev->mf_bits = BIT(QED_MF_OVLAN_CLSS);
   4336			break;
   4337		case NVM_CFG1_GLOB_MF_MODE_UFP:
   4338			cdev->mf_bits = BIT(QED_MF_OVLAN_CLSS) |
   4339					BIT(QED_MF_LLH_PROTO_CLSS) |
   4340					BIT(QED_MF_UFP_SPECIFIC) |
   4341					BIT(QED_MF_8021Q_TAGGING) |
   4342					BIT(QED_MF_DONT_ADD_VLAN0_TAG);
   4343			break;
   4344		case NVM_CFG1_GLOB_MF_MODE_BD:
   4345			cdev->mf_bits = BIT(QED_MF_OVLAN_CLSS) |
   4346					BIT(QED_MF_LLH_PROTO_CLSS) |
   4347					BIT(QED_MF_8021AD_TAGGING) |
   4348					BIT(QED_MF_DONT_ADD_VLAN0_TAG);
   4349			break;
   4350		case NVM_CFG1_GLOB_MF_MODE_NPAR1_0:
   4351			cdev->mf_bits = BIT(QED_MF_LLH_MAC_CLSS) |
   4352					BIT(QED_MF_LLH_PROTO_CLSS) |
   4353					BIT(QED_MF_LL2_NON_UNICAST) |
   4354					BIT(QED_MF_INTER_PF_SWITCH) |
   4355					BIT(QED_MF_DISABLE_ARFS);
   4356			break;
   4357		case NVM_CFG1_GLOB_MF_MODE_DEFAULT:
   4358			cdev->mf_bits = BIT(QED_MF_LLH_MAC_CLSS) |
   4359					BIT(QED_MF_LLH_PROTO_CLSS) |
   4360					BIT(QED_MF_LL2_NON_UNICAST);
   4361			if (QED_IS_BB(p_hwfn->cdev))
   4362				cdev->mf_bits |= BIT(QED_MF_NEED_DEF_PF);
   4363			break;
   4364		}
   4365
   4366		DP_INFO(p_hwfn, "Multi function mode is 0x%lx\n",
   4367			cdev->mf_bits);
   4368
   4369		/* In CMT the PF is unknown when the GFS block processes the
   4370		 * packet. Therefore cannot use searcher as it has a per PF
   4371		 * database, and thus ARFS must be disabled.
   4372		 *
   4373		 */
   4374		if (QED_IS_CMT(cdev))
   4375			cdev->mf_bits |= BIT(QED_MF_DISABLE_ARFS);
   4376	}
   4377
   4378	DP_INFO(p_hwfn, "Multi function mode is 0x%lx\n",
   4379		p_hwfn->cdev->mf_bits);
   4380
   4381	/* Read device capabilities information from shmem */
   4382	addr = MCP_REG_SCRATCH + nvm_cfg1_offset +
   4383		offsetof(struct nvm_cfg1, glob) +
   4384		offsetof(struct nvm_cfg1_glob, device_capabilities);
   4385
   4386	device_capabilities = qed_rd(p_hwfn, p_ptt, addr);
   4387	if (device_capabilities & NVM_CFG1_GLOB_DEVICE_CAPABILITIES_ETHERNET)
   4388		__set_bit(QED_DEV_CAP_ETH,
   4389			  &p_hwfn->hw_info.device_capabilities);
   4390	if (device_capabilities & NVM_CFG1_GLOB_DEVICE_CAPABILITIES_FCOE)
   4391		__set_bit(QED_DEV_CAP_FCOE,
   4392			  &p_hwfn->hw_info.device_capabilities);
   4393	if (device_capabilities & NVM_CFG1_GLOB_DEVICE_CAPABILITIES_ISCSI)
   4394		__set_bit(QED_DEV_CAP_ISCSI,
   4395			  &p_hwfn->hw_info.device_capabilities);
   4396	if (device_capabilities & NVM_CFG1_GLOB_DEVICE_CAPABILITIES_ROCE)
   4397		__set_bit(QED_DEV_CAP_ROCE,
   4398			  &p_hwfn->hw_info.device_capabilities);
   4399
   4400	/* Read device serial number information from shmem */
   4401	addr = MCP_REG_SCRATCH + nvm_cfg1_offset +
   4402		offsetof(struct nvm_cfg1, glob) +
   4403		offsetof(struct nvm_cfg1_glob, serial_number);
   4404
   4405	for (i = 0; i < 4; i++)
   4406		p_hwfn->hw_info.part_num[i] = qed_rd(p_hwfn, p_ptt, addr + i * 4);
   4407
   4408	return qed_mcp_fill_shmem_func_info(p_hwfn, p_ptt);
   4409}
   4410
   4411static void qed_get_num_funcs(struct qed_hwfn *p_hwfn, struct qed_ptt *p_ptt)
   4412{
   4413	u8 num_funcs, enabled_func_idx = p_hwfn->rel_pf_id;
   4414	u32 reg_function_hide, tmp, eng_mask, low_pfs_mask;
   4415	struct qed_dev *cdev = p_hwfn->cdev;
   4416
   4417	num_funcs = QED_IS_AH(cdev) ? MAX_NUM_PFS_K2 : MAX_NUM_PFS_BB;
   4418
   4419	/* Bit 0 of MISCS_REG_FUNCTION_HIDE indicates whether the bypass values
   4420	 * in the other bits are selected.
   4421	 * Bits 1-15 are for functions 1-15, respectively, and their value is
   4422	 * '0' only for enabled functions (function 0 always exists and
   4423	 * enabled).
   4424	 * In case of CMT, only the "even" functions are enabled, and thus the
   4425	 * number of functions for both hwfns is learnt from the same bits.
   4426	 */
   4427	reg_function_hide = qed_rd(p_hwfn, p_ptt, MISCS_REG_FUNCTION_HIDE);
   4428
   4429	if (reg_function_hide & 0x1) {
   4430		if (QED_IS_BB(cdev)) {
   4431			if (QED_PATH_ID(p_hwfn) && cdev->num_hwfns == 1) {
   4432				num_funcs = 0;
   4433				eng_mask = 0xaaaa;
   4434			} else {
   4435				num_funcs = 1;
   4436				eng_mask = 0x5554;
   4437			}
   4438		} else {
   4439			num_funcs = 1;
   4440			eng_mask = 0xfffe;
   4441		}
   4442
   4443		/* Get the number of the enabled functions on the engine */
   4444		tmp = (reg_function_hide ^ 0xffffffff) & eng_mask;
   4445		while (tmp) {
   4446			if (tmp & 0x1)
   4447				num_funcs++;
   4448			tmp >>= 0x1;
   4449		}
   4450
   4451		/* Get the PF index within the enabled functions */
   4452		low_pfs_mask = (0x1 << p_hwfn->abs_pf_id) - 1;
   4453		tmp = reg_function_hide & eng_mask & low_pfs_mask;
   4454		while (tmp) {
   4455			if (tmp & 0x1)
   4456				enabled_func_idx--;
   4457			tmp >>= 0x1;
   4458		}
   4459	}
   4460
   4461	p_hwfn->num_funcs_on_engine = num_funcs;
   4462	p_hwfn->enabled_func_idx = enabled_func_idx;
   4463
   4464	DP_VERBOSE(p_hwfn,
   4465		   NETIF_MSG_PROBE,
   4466		   "PF [rel_id %d, abs_id %d] occupies index %d within the %d enabled functions on the engine\n",
   4467		   p_hwfn->rel_pf_id,
   4468		   p_hwfn->abs_pf_id,
   4469		   p_hwfn->enabled_func_idx, p_hwfn->num_funcs_on_engine);
   4470}
   4471
   4472static void qed_hw_info_port_num(struct qed_hwfn *p_hwfn, struct qed_ptt *p_ptt)
   4473{
   4474	u32 addr, global_offsize, global_addr, port_mode;
   4475	struct qed_dev *cdev = p_hwfn->cdev;
   4476
   4477	/* In CMT there is always only one port */
   4478	if (cdev->num_hwfns > 1) {
   4479		cdev->num_ports_in_engine = 1;
   4480		cdev->num_ports = 1;
   4481		return;
   4482	}
   4483
   4484	/* Determine the number of ports per engine */
   4485	port_mode = qed_rd(p_hwfn, p_ptt, MISC_REG_PORT_MODE);
   4486	switch (port_mode) {
   4487	case 0x0:
   4488		cdev->num_ports_in_engine = 1;
   4489		break;
   4490	case 0x1:
   4491		cdev->num_ports_in_engine = 2;
   4492		break;
   4493	case 0x2:
   4494		cdev->num_ports_in_engine = 4;
   4495		break;
   4496	default:
   4497		DP_NOTICE(p_hwfn, "Unknown port mode 0x%08x\n", port_mode);
   4498		cdev->num_ports_in_engine = 1;	/* Default to something */
   4499		break;
   4500	}
   4501
   4502	/* Get the total number of ports of the device */
   4503	addr = SECTION_OFFSIZE_ADDR(p_hwfn->mcp_info->public_base,
   4504				    PUBLIC_GLOBAL);
   4505	global_offsize = qed_rd(p_hwfn, p_ptt, addr);
   4506	global_addr = SECTION_ADDR(global_offsize, 0);
   4507	addr = global_addr + offsetof(struct public_global, max_ports);
   4508	cdev->num_ports = (u8)qed_rd(p_hwfn, p_ptt, addr);
   4509}
   4510
   4511static void qed_get_eee_caps(struct qed_hwfn *p_hwfn, struct qed_ptt *p_ptt)
   4512{
   4513	struct qed_mcp_link_capabilities *p_caps;
   4514	u32 eee_status;
   4515
   4516	p_caps = &p_hwfn->mcp_info->link_capabilities;
   4517	if (p_caps->default_eee == QED_MCP_EEE_UNSUPPORTED)
   4518		return;
   4519
   4520	p_caps->eee_speed_caps = 0;
   4521	eee_status = qed_rd(p_hwfn, p_ptt, p_hwfn->mcp_info->port_addr +
   4522			    offsetof(struct public_port, eee_status));
   4523	eee_status = (eee_status & EEE_SUPPORTED_SPEED_MASK) >>
   4524			EEE_SUPPORTED_SPEED_OFFSET;
   4525
   4526	if (eee_status & EEE_1G_SUPPORTED)
   4527		p_caps->eee_speed_caps |= QED_EEE_1G_ADV;
   4528	if (eee_status & EEE_10G_ADV)
   4529		p_caps->eee_speed_caps |= QED_EEE_10G_ADV;
   4530}
   4531
   4532static int
   4533qed_get_hw_info(struct qed_hwfn *p_hwfn,
   4534		struct qed_ptt *p_ptt,
   4535		enum qed_pci_personality personality)
   4536{
   4537	int rc;
   4538
   4539	/* Since all information is common, only first hwfns should do this */
   4540	if (IS_LEAD_HWFN(p_hwfn)) {
   4541		rc = qed_iov_hw_info(p_hwfn);
   4542		if (rc)
   4543			return rc;
   4544	}
   4545
   4546	if (IS_LEAD_HWFN(p_hwfn))
   4547		qed_hw_info_port_num(p_hwfn, p_ptt);
   4548
   4549	qed_mcp_get_capabilities(p_hwfn, p_ptt);
   4550
   4551	qed_hw_get_nvm_info(p_hwfn, p_ptt);
   4552
   4553	rc = qed_int_igu_read_cam(p_hwfn, p_ptt);
   4554	if (rc)
   4555		return rc;
   4556
   4557	if (qed_mcp_is_init(p_hwfn))
   4558		ether_addr_copy(p_hwfn->hw_info.hw_mac_addr,
   4559				p_hwfn->mcp_info->func_info.mac);
   4560	else
   4561		eth_random_addr(p_hwfn->hw_info.hw_mac_addr);
   4562
   4563	if (qed_mcp_is_init(p_hwfn)) {
   4564		if (p_hwfn->mcp_info->func_info.ovlan != QED_MCP_VLAN_UNSET)
   4565			p_hwfn->hw_info.ovlan =
   4566				p_hwfn->mcp_info->func_info.ovlan;
   4567
   4568		qed_mcp_cmd_port_init(p_hwfn, p_ptt);
   4569
   4570		qed_get_eee_caps(p_hwfn, p_ptt);
   4571
   4572		qed_mcp_read_ufp_config(p_hwfn, p_ptt);
   4573	}
   4574
   4575	if (qed_mcp_is_init(p_hwfn)) {
   4576		enum qed_pci_personality protocol;
   4577
   4578		protocol = p_hwfn->mcp_info->func_info.protocol;
   4579		p_hwfn->hw_info.personality = protocol;
   4580	}
   4581
   4582	if (QED_IS_ROCE_PERSONALITY(p_hwfn))
   4583		p_hwfn->hw_info.multi_tc_roce_en = true;
   4584
   4585	p_hwfn->hw_info.num_hw_tc = NUM_PHYS_TCS_4PORT_K2;
   4586	p_hwfn->hw_info.num_active_tc = 1;
   4587
   4588	qed_get_num_funcs(p_hwfn, p_ptt);
   4589
   4590	if (qed_mcp_is_init(p_hwfn))
   4591		p_hwfn->hw_info.mtu = p_hwfn->mcp_info->func_info.mtu;
   4592
   4593	return qed_hw_get_resc(p_hwfn, p_ptt);
   4594}
   4595
   4596static int qed_get_dev_info(struct qed_hwfn *p_hwfn, struct qed_ptt *p_ptt)
   4597{
   4598	struct qed_dev *cdev = p_hwfn->cdev;
   4599	u16 device_id_mask;
   4600	u32 tmp;
   4601
   4602	/* Read Vendor Id / Device Id */
   4603	pci_read_config_word(cdev->pdev, PCI_VENDOR_ID, &cdev->vendor_id);
   4604	pci_read_config_word(cdev->pdev, PCI_DEVICE_ID, &cdev->device_id);
   4605
   4606	/* Determine type */
   4607	device_id_mask = cdev->device_id & QED_DEV_ID_MASK;
   4608	switch (device_id_mask) {
   4609	case QED_DEV_ID_MASK_BB:
   4610		cdev->type = QED_DEV_TYPE_BB;
   4611		break;
   4612	case QED_DEV_ID_MASK_AH:
   4613		cdev->type = QED_DEV_TYPE_AH;
   4614		break;
   4615	default:
   4616		DP_NOTICE(p_hwfn, "Unknown device id 0x%x\n", cdev->device_id);
   4617		return -EBUSY;
   4618	}
   4619
   4620	cdev->chip_num = (u16)qed_rd(p_hwfn, p_ptt, MISCS_REG_CHIP_NUM);
   4621	cdev->chip_rev = (u16)qed_rd(p_hwfn, p_ptt, MISCS_REG_CHIP_REV);
   4622
   4623	MASK_FIELD(CHIP_REV, cdev->chip_rev);
   4624
   4625	/* Learn number of HW-functions */
   4626	tmp = qed_rd(p_hwfn, p_ptt, MISCS_REG_CMT_ENABLED_FOR_PAIR);
   4627
   4628	if (tmp & (1 << p_hwfn->rel_pf_id)) {
   4629		DP_NOTICE(cdev->hwfns, "device in CMT mode\n");
   4630		cdev->num_hwfns = 2;
   4631	} else {
   4632		cdev->num_hwfns = 1;
   4633	}
   4634
   4635	cdev->chip_bond_id = qed_rd(p_hwfn, p_ptt,
   4636				    MISCS_REG_CHIP_TEST_REG) >> 4;
   4637	MASK_FIELD(CHIP_BOND_ID, cdev->chip_bond_id);
   4638	cdev->chip_metal = (u16)qed_rd(p_hwfn, p_ptt, MISCS_REG_CHIP_METAL);
   4639	MASK_FIELD(CHIP_METAL, cdev->chip_metal);
   4640
   4641	DP_INFO(cdev->hwfns,
   4642		"Chip details - %s %c%d, Num: %04x Rev: %04x Bond id: %04x Metal: %04x\n",
   4643		QED_IS_BB(cdev) ? "BB" : "AH",
   4644		'A' + cdev->chip_rev,
   4645		(int)cdev->chip_metal,
   4646		cdev->chip_num, cdev->chip_rev,
   4647		cdev->chip_bond_id, cdev->chip_metal);
   4648
   4649	return 0;
   4650}
   4651
   4652static int qed_hw_prepare_single(struct qed_hwfn *p_hwfn,
   4653				 void __iomem *p_regview,
   4654				 void __iomem *p_doorbells,
   4655				 u64 db_phys_addr,
   4656				 enum qed_pci_personality personality)
   4657{
   4658	struct qed_dev *cdev = p_hwfn->cdev;
   4659	int rc = 0;
   4660
   4661	/* Split PCI bars evenly between hwfns */
   4662	p_hwfn->regview = p_regview;
   4663	p_hwfn->doorbells = p_doorbells;
   4664	p_hwfn->db_phys_addr = db_phys_addr;
   4665
   4666	if (IS_VF(p_hwfn->cdev))
   4667		return qed_vf_hw_prepare(p_hwfn);
   4668
   4669	/* Validate that chip access is feasible */
   4670	if (REG_RD(p_hwfn, PXP_PF_ME_OPAQUE_ADDR) == 0xffffffff) {
   4671		DP_ERR(p_hwfn,
   4672		       "Reading the ME register returns all Fs; Preventing further chip access\n");
   4673		return -EINVAL;
   4674	}
   4675
   4676	get_function_id(p_hwfn);
   4677
   4678	/* Allocate PTT pool */
   4679	rc = qed_ptt_pool_alloc(p_hwfn);
   4680	if (rc)
   4681		goto err0;
   4682
   4683	/* Allocate the main PTT */
   4684	p_hwfn->p_main_ptt = qed_get_reserved_ptt(p_hwfn, RESERVED_PTT_MAIN);
   4685
   4686	/* First hwfn learns basic information, e.g., number of hwfns */
   4687	if (!p_hwfn->my_id) {
   4688		rc = qed_get_dev_info(p_hwfn, p_hwfn->p_main_ptt);
   4689		if (rc)
   4690			goto err1;
   4691	}
   4692
   4693	qed_hw_hwfn_prepare(p_hwfn);
   4694
   4695	/* Initialize MCP structure */
   4696	rc = qed_mcp_cmd_init(p_hwfn, p_hwfn->p_main_ptt);
   4697	if (rc) {
   4698		DP_NOTICE(p_hwfn, "Failed initializing mcp command\n");
   4699		goto err1;
   4700	}
   4701
   4702	/* Read the device configuration information from the HW and SHMEM */
   4703	rc = qed_get_hw_info(p_hwfn, p_hwfn->p_main_ptt, personality);
   4704	if (rc) {
   4705		DP_NOTICE(p_hwfn, "Failed to get HW information\n");
   4706		goto err2;
   4707	}
   4708
   4709	/* Sending a mailbox to the MFW should be done after qed_get_hw_info()
   4710	 * is called as it sets the ports number in an engine.
   4711	 */
   4712	if (IS_LEAD_HWFN(p_hwfn) && !cdev->recov_in_prog) {
   4713		rc = qed_mcp_initiate_pf_flr(p_hwfn, p_hwfn->p_main_ptt);
   4714		if (rc)
   4715			DP_NOTICE(p_hwfn, "Failed to initiate PF FLR\n");
   4716	}
   4717
   4718	/* NVRAM info initialization and population */
   4719	if (IS_LEAD_HWFN(p_hwfn)) {
   4720		rc = qed_mcp_nvm_info_populate(p_hwfn);
   4721		if (rc) {
   4722			DP_NOTICE(p_hwfn,
   4723				  "Failed to populate nvm info shadow\n");
   4724			goto err2;
   4725		}
   4726	}
   4727
   4728	/* Allocate the init RT array and initialize the init-ops engine */
   4729	rc = qed_init_alloc(p_hwfn);
   4730	if (rc)
   4731		goto err3;
   4732
   4733	return rc;
   4734err3:
   4735	if (IS_LEAD_HWFN(p_hwfn))
   4736		qed_mcp_nvm_info_free(p_hwfn);
   4737err2:
   4738	if (IS_LEAD_HWFN(p_hwfn))
   4739		qed_iov_free_hw_info(p_hwfn->cdev);
   4740	qed_mcp_free(p_hwfn);
   4741err1:
   4742	qed_hw_hwfn_free(p_hwfn);
   4743err0:
   4744	return rc;
   4745}
   4746
   4747int qed_hw_prepare(struct qed_dev *cdev,
   4748		   int personality)
   4749{
   4750	struct qed_hwfn *p_hwfn = QED_LEADING_HWFN(cdev);
   4751	int rc;
   4752
   4753	/* Store the precompiled init data ptrs */
   4754	if (IS_PF(cdev))
   4755		qed_init_iro_array(cdev);
   4756
   4757	/* Initialize the first hwfn - will learn number of hwfns */
   4758	rc = qed_hw_prepare_single(p_hwfn,
   4759				   cdev->regview,
   4760				   cdev->doorbells,
   4761				   cdev->db_phys_addr,
   4762				   personality);
   4763	if (rc)
   4764		return rc;
   4765
   4766	personality = p_hwfn->hw_info.personality;
   4767
   4768	/* Initialize the rest of the hwfns */
   4769	if (cdev->num_hwfns > 1) {
   4770		void __iomem *p_regview, *p_doorbell;
   4771		u64 db_phys_addr;
   4772		u32 offset;
   4773
   4774		/* adjust bar offset for second engine */
   4775		offset = qed_hw_bar_size(p_hwfn, p_hwfn->p_main_ptt,
   4776					 BAR_ID_0) / 2;
   4777		p_regview = cdev->regview + offset;
   4778
   4779		offset = qed_hw_bar_size(p_hwfn, p_hwfn->p_main_ptt,
   4780					 BAR_ID_1) / 2;
   4781
   4782		p_doorbell = cdev->doorbells + offset;
   4783
   4784		db_phys_addr = cdev->db_phys_addr + offset;
   4785
   4786		/* prepare second hw function */
   4787		rc = qed_hw_prepare_single(&cdev->hwfns[1], p_regview,
   4788					   p_doorbell, db_phys_addr,
   4789					   personality);
   4790
   4791		/* in case of error, need to free the previously
   4792		 * initiliazed hwfn 0.
   4793		 */
   4794		if (rc) {
   4795			if (IS_PF(cdev)) {
   4796				qed_init_free(p_hwfn);
   4797				qed_mcp_nvm_info_free(p_hwfn);
   4798				qed_mcp_free(p_hwfn);
   4799				qed_hw_hwfn_free(p_hwfn);
   4800			}
   4801		}
   4802	}
   4803
   4804	return rc;
   4805}
   4806
   4807void qed_hw_remove(struct qed_dev *cdev)
   4808{
   4809	struct qed_hwfn *p_hwfn = QED_LEADING_HWFN(cdev);
   4810	int i;
   4811
   4812	if (IS_PF(cdev))
   4813		qed_mcp_ov_update_driver_state(p_hwfn, p_hwfn->p_main_ptt,
   4814					       QED_OV_DRIVER_STATE_NOT_LOADED);
   4815
   4816	for_each_hwfn(cdev, i) {
   4817		struct qed_hwfn *p_hwfn = &cdev->hwfns[i];
   4818
   4819		if (IS_VF(cdev)) {
   4820			qed_vf_pf_release(p_hwfn);
   4821			continue;
   4822		}
   4823
   4824		qed_init_free(p_hwfn);
   4825		qed_hw_hwfn_free(p_hwfn);
   4826		qed_mcp_free(p_hwfn);
   4827	}
   4828
   4829	qed_iov_free_hw_info(cdev);
   4830
   4831	qed_mcp_nvm_info_free(p_hwfn);
   4832}
   4833
   4834int qed_fw_l2_queue(struct qed_hwfn *p_hwfn, u16 src_id, u16 *dst_id)
   4835{
   4836	if (src_id >= RESC_NUM(p_hwfn, QED_L2_QUEUE)) {
   4837		u16 min, max;
   4838
   4839		min = (u16)RESC_START(p_hwfn, QED_L2_QUEUE);
   4840		max = min + RESC_NUM(p_hwfn, QED_L2_QUEUE);
   4841		DP_NOTICE(p_hwfn,
   4842			  "l2_queue id [%d] is not valid, available indices [%d - %d]\n",
   4843			  src_id, min, max);
   4844
   4845		return -EINVAL;
   4846	}
   4847
   4848	*dst_id = RESC_START(p_hwfn, QED_L2_QUEUE) + src_id;
   4849
   4850	return 0;
   4851}
   4852
   4853int qed_fw_vport(struct qed_hwfn *p_hwfn, u8 src_id, u8 *dst_id)
   4854{
   4855	if (src_id >= RESC_NUM(p_hwfn, QED_VPORT)) {
   4856		u8 min, max;
   4857
   4858		min = (u8)RESC_START(p_hwfn, QED_VPORT);
   4859		max = min + RESC_NUM(p_hwfn, QED_VPORT);
   4860		DP_NOTICE(p_hwfn,
   4861			  "vport id [%d] is not valid, available indices [%d - %d]\n",
   4862			  src_id, min, max);
   4863
   4864		return -EINVAL;
   4865	}
   4866
   4867	*dst_id = RESC_START(p_hwfn, QED_VPORT) + src_id;
   4868
   4869	return 0;
   4870}
   4871
   4872int qed_fw_rss_eng(struct qed_hwfn *p_hwfn, u8 src_id, u8 *dst_id)
   4873{
   4874	if (src_id >= RESC_NUM(p_hwfn, QED_RSS_ENG)) {
   4875		u8 min, max;
   4876
   4877		min = (u8)RESC_START(p_hwfn, QED_RSS_ENG);
   4878		max = min + RESC_NUM(p_hwfn, QED_RSS_ENG);
   4879		DP_NOTICE(p_hwfn,
   4880			  "rss_eng id [%d] is not valid, available indices [%d - %d]\n",
   4881			  src_id, min, max);
   4882
   4883		return -EINVAL;
   4884	}
   4885
   4886	*dst_id = RESC_START(p_hwfn, QED_RSS_ENG) + src_id;
   4887
   4888	return 0;
   4889}
   4890
   4891static int qed_set_coalesce(struct qed_hwfn *p_hwfn, struct qed_ptt *p_ptt,
   4892			    u32 hw_addr, void *p_eth_qzone,
   4893			    size_t eth_qzone_size, u8 timeset)
   4894{
   4895	struct coalescing_timeset *p_coal_timeset;
   4896
   4897	if (p_hwfn->cdev->int_coalescing_mode != QED_COAL_MODE_ENABLE) {
   4898		DP_NOTICE(p_hwfn, "Coalescing configuration not enabled\n");
   4899		return -EINVAL;
   4900	}
   4901
   4902	p_coal_timeset = p_eth_qzone;
   4903	memset(p_eth_qzone, 0, eth_qzone_size);
   4904	SET_FIELD(p_coal_timeset->value, COALESCING_TIMESET_TIMESET, timeset);
   4905	SET_FIELD(p_coal_timeset->value, COALESCING_TIMESET_VALID, 1);
   4906	qed_memcpy_to(p_hwfn, p_ptt, hw_addr, p_eth_qzone, eth_qzone_size);
   4907
   4908	return 0;
   4909}
   4910
   4911int qed_set_queue_coalesce(u16 rx_coal, u16 tx_coal, void *p_handle)
   4912{
   4913	struct qed_queue_cid *p_cid = p_handle;
   4914	struct qed_hwfn *p_hwfn;
   4915	struct qed_ptt *p_ptt;
   4916	int rc = 0;
   4917
   4918	p_hwfn = p_cid->p_owner;
   4919
   4920	if (IS_VF(p_hwfn->cdev))
   4921		return qed_vf_pf_set_coalesce(p_hwfn, rx_coal, tx_coal, p_cid);
   4922
   4923	p_ptt = qed_ptt_acquire(p_hwfn);
   4924	if (!p_ptt)
   4925		return -EAGAIN;
   4926
   4927	if (rx_coal) {
   4928		rc = qed_set_rxq_coalesce(p_hwfn, p_ptt, rx_coal, p_cid);
   4929		if (rc)
   4930			goto out;
   4931		p_hwfn->cdev->rx_coalesce_usecs = rx_coal;
   4932	}
   4933
   4934	if (tx_coal) {
   4935		rc = qed_set_txq_coalesce(p_hwfn, p_ptt, tx_coal, p_cid);
   4936		if (rc)
   4937			goto out;
   4938		p_hwfn->cdev->tx_coalesce_usecs = tx_coal;
   4939	}
   4940out:
   4941	qed_ptt_release(p_hwfn, p_ptt);
   4942	return rc;
   4943}
   4944
   4945int qed_set_rxq_coalesce(struct qed_hwfn *p_hwfn,
   4946			 struct qed_ptt *p_ptt,
   4947			 u16 coalesce, struct qed_queue_cid *p_cid)
   4948{
   4949	struct ustorm_eth_queue_zone eth_qzone;
   4950	u8 timeset, timer_res;
   4951	u32 address;
   4952	int rc;
   4953
   4954	/* Coalesce = (timeset << timer-resolution), timeset is 7bit wide */
   4955	if (coalesce <= 0x7F) {
   4956		timer_res = 0;
   4957	} else if (coalesce <= 0xFF) {
   4958		timer_res = 1;
   4959	} else if (coalesce <= 0x1FF) {
   4960		timer_res = 2;
   4961	} else {
   4962		DP_ERR(p_hwfn, "Invalid coalesce value - %d\n", coalesce);
   4963		return -EINVAL;
   4964	}
   4965	timeset = (u8)(coalesce >> timer_res);
   4966
   4967	rc = qed_int_set_timer_res(p_hwfn, p_ptt, timer_res,
   4968				   p_cid->sb_igu_id, false);
   4969	if (rc)
   4970		goto out;
   4971
   4972	address = BAR0_MAP_REG_USDM_RAM +
   4973		  USTORM_ETH_QUEUE_ZONE_GTT_OFFSET(p_cid->abs.queue_id);
   4974
   4975	rc = qed_set_coalesce(p_hwfn, p_ptt, address, &eth_qzone,
   4976			      sizeof(struct ustorm_eth_queue_zone), timeset);
   4977	if (rc)
   4978		goto out;
   4979
   4980out:
   4981	return rc;
   4982}
   4983
   4984int qed_set_txq_coalesce(struct qed_hwfn *p_hwfn,
   4985			 struct qed_ptt *p_ptt,
   4986			 u16 coalesce, struct qed_queue_cid *p_cid)
   4987{
   4988	struct xstorm_eth_queue_zone eth_qzone;
   4989	u8 timeset, timer_res;
   4990	u32 address;
   4991	int rc;
   4992
   4993	/* Coalesce = (timeset << timer-resolution), timeset is 7bit wide */
   4994	if (coalesce <= 0x7F) {
   4995		timer_res = 0;
   4996	} else if (coalesce <= 0xFF) {
   4997		timer_res = 1;
   4998	} else if (coalesce <= 0x1FF) {
   4999		timer_res = 2;
   5000	} else {
   5001		DP_ERR(p_hwfn, "Invalid coalesce value - %d\n", coalesce);
   5002		return -EINVAL;
   5003	}
   5004	timeset = (u8)(coalesce >> timer_res);
   5005
   5006	rc = qed_int_set_timer_res(p_hwfn, p_ptt, timer_res,
   5007				   p_cid->sb_igu_id, true);
   5008	if (rc)
   5009		goto out;
   5010
   5011	address = BAR0_MAP_REG_XSDM_RAM +
   5012		  XSTORM_ETH_QUEUE_ZONE_GTT_OFFSET(p_cid->abs.queue_id);
   5013
   5014	rc = qed_set_coalesce(p_hwfn, p_ptt, address, &eth_qzone,
   5015			      sizeof(struct xstorm_eth_queue_zone), timeset);
   5016out:
   5017	return rc;
   5018}
   5019
   5020/* Calculate final WFQ values for all vports and configure them.
   5021 * After this configuration each vport will have
   5022 * approx min rate =  min_pf_rate * (vport_wfq / QED_WFQ_UNIT)
   5023 */
   5024static void qed_configure_wfq_for_all_vports(struct qed_hwfn *p_hwfn,
   5025					     struct qed_ptt *p_ptt,
   5026					     u32 min_pf_rate)
   5027{
   5028	struct init_qm_vport_params *vport_params;
   5029	int i;
   5030
   5031	vport_params = p_hwfn->qm_info.qm_vport_params;
   5032
   5033	for (i = 0; i < p_hwfn->qm_info.num_vports; i++) {
   5034		u32 wfq_speed = p_hwfn->qm_info.wfq_data[i].min_speed;
   5035
   5036		vport_params[i].wfq = (wfq_speed * QED_WFQ_UNIT) /
   5037						min_pf_rate;
   5038		qed_init_vport_wfq(p_hwfn, p_ptt,
   5039				   vport_params[i].first_tx_pq_id,
   5040				   vport_params[i].wfq);
   5041	}
   5042}
   5043
   5044static void qed_init_wfq_default_param(struct qed_hwfn *p_hwfn,
   5045				       u32 min_pf_rate)
   5046
   5047{
   5048	int i;
   5049
   5050	for (i = 0; i < p_hwfn->qm_info.num_vports; i++)
   5051		p_hwfn->qm_info.qm_vport_params[i].wfq = 1;
   5052}
   5053
   5054static void qed_disable_wfq_for_all_vports(struct qed_hwfn *p_hwfn,
   5055					   struct qed_ptt *p_ptt,
   5056					   u32 min_pf_rate)
   5057{
   5058	struct init_qm_vport_params *vport_params;
   5059	int i;
   5060
   5061	vport_params = p_hwfn->qm_info.qm_vport_params;
   5062
   5063	for (i = 0; i < p_hwfn->qm_info.num_vports; i++) {
   5064		qed_init_wfq_default_param(p_hwfn, min_pf_rate);
   5065		qed_init_vport_wfq(p_hwfn, p_ptt,
   5066				   vport_params[i].first_tx_pq_id,
   5067				   vport_params[i].wfq);
   5068	}
   5069}
   5070
   5071/* This function performs several validations for WFQ
   5072 * configuration and required min rate for a given vport
   5073 * 1. req_rate must be greater than one percent of min_pf_rate.
   5074 * 2. req_rate should not cause other vports [not configured for WFQ explicitly]
   5075 *    rates to get less than one percent of min_pf_rate.
   5076 * 3. total_req_min_rate [all vports min rate sum] shouldn't exceed min_pf_rate.
   5077 */
   5078static int qed_init_wfq_param(struct qed_hwfn *p_hwfn,
   5079			      u16 vport_id, u32 req_rate, u32 min_pf_rate)
   5080{
   5081	u32 total_req_min_rate = 0, total_left_rate = 0, left_rate_per_vp = 0;
   5082	int non_requested_count = 0, req_count = 0, i, num_vports;
   5083
   5084	num_vports = p_hwfn->qm_info.num_vports;
   5085
   5086	/* Accounting for the vports which are configured for WFQ explicitly */
   5087	for (i = 0; i < num_vports; i++) {
   5088		u32 tmp_speed;
   5089
   5090		if ((i != vport_id) &&
   5091		    p_hwfn->qm_info.wfq_data[i].configured) {
   5092			req_count++;
   5093			tmp_speed = p_hwfn->qm_info.wfq_data[i].min_speed;
   5094			total_req_min_rate += tmp_speed;
   5095		}
   5096	}
   5097
   5098	/* Include current vport data as well */
   5099	req_count++;
   5100	total_req_min_rate += req_rate;
   5101	non_requested_count = num_vports - req_count;
   5102
   5103	if (req_rate < min_pf_rate / QED_WFQ_UNIT) {
   5104		DP_VERBOSE(p_hwfn, NETIF_MSG_LINK,
   5105			   "Vport [%d] - Requested rate[%d Mbps] is less than one percent of configured PF min rate[%d Mbps]\n",
   5106			   vport_id, req_rate, min_pf_rate);
   5107		return -EINVAL;
   5108	}
   5109
   5110	if (num_vports > QED_WFQ_UNIT) {
   5111		DP_VERBOSE(p_hwfn, NETIF_MSG_LINK,
   5112			   "Number of vports is greater than %d\n",
   5113			   QED_WFQ_UNIT);
   5114		return -EINVAL;
   5115	}
   5116
   5117	if (total_req_min_rate > min_pf_rate) {
   5118		DP_VERBOSE(p_hwfn, NETIF_MSG_LINK,
   5119			   "Total requested min rate for all vports[%d Mbps] is greater than configured PF min rate[%d Mbps]\n",
   5120			   total_req_min_rate, min_pf_rate);
   5121		return -EINVAL;
   5122	}
   5123
   5124	total_left_rate	= min_pf_rate - total_req_min_rate;
   5125
   5126	left_rate_per_vp = total_left_rate / non_requested_count;
   5127	if (left_rate_per_vp <  min_pf_rate / QED_WFQ_UNIT) {
   5128		DP_VERBOSE(p_hwfn, NETIF_MSG_LINK,
   5129			   "Non WFQ configured vports rate [%d Mbps] is less than one percent of configured PF min rate[%d Mbps]\n",
   5130			   left_rate_per_vp, min_pf_rate);
   5131		return -EINVAL;
   5132	}
   5133
   5134	p_hwfn->qm_info.wfq_data[vport_id].min_speed = req_rate;
   5135	p_hwfn->qm_info.wfq_data[vport_id].configured = true;
   5136
   5137	for (i = 0; i < num_vports; i++) {
   5138		if (p_hwfn->qm_info.wfq_data[i].configured)
   5139			continue;
   5140
   5141		p_hwfn->qm_info.wfq_data[i].min_speed = left_rate_per_vp;
   5142	}
   5143
   5144	return 0;
   5145}
   5146
   5147static int __qed_configure_vport_wfq(struct qed_hwfn *p_hwfn,
   5148				     struct qed_ptt *p_ptt, u16 vp_id, u32 rate)
   5149{
   5150	struct qed_mcp_link_state *p_link;
   5151	int rc = 0;
   5152
   5153	p_link = &p_hwfn->cdev->hwfns[0].mcp_info->link_output;
   5154
   5155	if (!p_link->min_pf_rate) {
   5156		p_hwfn->qm_info.wfq_data[vp_id].min_speed = rate;
   5157		p_hwfn->qm_info.wfq_data[vp_id].configured = true;
   5158		return rc;
   5159	}
   5160
   5161	rc = qed_init_wfq_param(p_hwfn, vp_id, rate, p_link->min_pf_rate);
   5162
   5163	if (!rc)
   5164		qed_configure_wfq_for_all_vports(p_hwfn, p_ptt,
   5165						 p_link->min_pf_rate);
   5166	else
   5167		DP_NOTICE(p_hwfn,
   5168			  "Validation failed while configuring min rate\n");
   5169
   5170	return rc;
   5171}
   5172
   5173static int __qed_configure_vp_wfq_on_link_change(struct qed_hwfn *p_hwfn,
   5174						 struct qed_ptt *p_ptt,
   5175						 u32 min_pf_rate)
   5176{
   5177	bool use_wfq = false;
   5178	int rc = 0;
   5179	u16 i;
   5180
   5181	/* Validate all pre configured vports for wfq */
   5182	for (i = 0; i < p_hwfn->qm_info.num_vports; i++) {
   5183		u32 rate;
   5184
   5185		if (!p_hwfn->qm_info.wfq_data[i].configured)
   5186			continue;
   5187
   5188		rate = p_hwfn->qm_info.wfq_data[i].min_speed;
   5189		use_wfq = true;
   5190
   5191		rc = qed_init_wfq_param(p_hwfn, i, rate, min_pf_rate);
   5192		if (rc) {
   5193			DP_NOTICE(p_hwfn,
   5194				  "WFQ validation failed while configuring min rate\n");
   5195			break;
   5196		}
   5197	}
   5198
   5199	if (!rc && use_wfq)
   5200		qed_configure_wfq_for_all_vports(p_hwfn, p_ptt, min_pf_rate);
   5201	else
   5202		qed_disable_wfq_for_all_vports(p_hwfn, p_ptt, min_pf_rate);
   5203
   5204	return rc;
   5205}
   5206
   5207/* Main API for qed clients to configure vport min rate.
   5208 * vp_id - vport id in PF Range[0 - (total_num_vports_per_pf - 1)]
   5209 * rate - Speed in Mbps needs to be assigned to a given vport.
   5210 */
   5211int qed_configure_vport_wfq(struct qed_dev *cdev, u16 vp_id, u32 rate)
   5212{
   5213	int i, rc = -EINVAL;
   5214
   5215	/* Currently not supported; Might change in future */
   5216	if (cdev->num_hwfns > 1) {
   5217		DP_NOTICE(cdev,
   5218			  "WFQ configuration is not supported for this device\n");
   5219		return rc;
   5220	}
   5221
   5222	for_each_hwfn(cdev, i) {
   5223		struct qed_hwfn *p_hwfn = &cdev->hwfns[i];
   5224		struct qed_ptt *p_ptt;
   5225
   5226		p_ptt = qed_ptt_acquire(p_hwfn);
   5227		if (!p_ptt)
   5228			return -EBUSY;
   5229
   5230		rc = __qed_configure_vport_wfq(p_hwfn, p_ptt, vp_id, rate);
   5231
   5232		if (rc) {
   5233			qed_ptt_release(p_hwfn, p_ptt);
   5234			return rc;
   5235		}
   5236
   5237		qed_ptt_release(p_hwfn, p_ptt);
   5238	}
   5239
   5240	return rc;
   5241}
   5242
   5243/* API to configure WFQ from mcp link change */
   5244void qed_configure_vp_wfq_on_link_change(struct qed_dev *cdev,
   5245					 struct qed_ptt *p_ptt, u32 min_pf_rate)
   5246{
   5247	int i;
   5248
   5249	if (cdev->num_hwfns > 1) {
   5250		DP_VERBOSE(cdev,
   5251			   NETIF_MSG_LINK,
   5252			   "WFQ configuration is not supported for this device\n");
   5253		return;
   5254	}
   5255
   5256	for_each_hwfn(cdev, i) {
   5257		struct qed_hwfn *p_hwfn = &cdev->hwfns[i];
   5258
   5259		__qed_configure_vp_wfq_on_link_change(p_hwfn, p_ptt,
   5260						      min_pf_rate);
   5261	}
   5262}
   5263
   5264int __qed_configure_pf_max_bandwidth(struct qed_hwfn *p_hwfn,
   5265				     struct qed_ptt *p_ptt,
   5266				     struct qed_mcp_link_state *p_link,
   5267				     u8 max_bw)
   5268{
   5269	int rc = 0;
   5270
   5271	p_hwfn->mcp_info->func_info.bandwidth_max = max_bw;
   5272
   5273	if (!p_link->line_speed && (max_bw != 100))
   5274		return rc;
   5275
   5276	p_link->speed = (p_link->line_speed * max_bw) / 100;
   5277	p_hwfn->qm_info.pf_rl = p_link->speed;
   5278
   5279	/* Since the limiter also affects Tx-switched traffic, we don't want it
   5280	 * to limit such traffic in case there's no actual limit.
   5281	 * In that case, set limit to imaginary high boundary.
   5282	 */
   5283	if (max_bw == 100)
   5284		p_hwfn->qm_info.pf_rl = 100000;
   5285
   5286	rc = qed_init_pf_rl(p_hwfn, p_ptt, p_hwfn->rel_pf_id,
   5287			    p_hwfn->qm_info.pf_rl);
   5288
   5289	DP_VERBOSE(p_hwfn, NETIF_MSG_LINK,
   5290		   "Configured MAX bandwidth to be %08x Mb/sec\n",
   5291		   p_link->speed);
   5292
   5293	return rc;
   5294}
   5295
   5296/* Main API to configure PF max bandwidth where bw range is [1 - 100] */
   5297int qed_configure_pf_max_bandwidth(struct qed_dev *cdev, u8 max_bw)
   5298{
   5299	int i, rc = -EINVAL;
   5300
   5301	if (max_bw < 1 || max_bw > 100) {
   5302		DP_NOTICE(cdev, "PF max bw valid range is [1-100]\n");
   5303		return rc;
   5304	}
   5305
   5306	for_each_hwfn(cdev, i) {
   5307		struct qed_hwfn	*p_hwfn = &cdev->hwfns[i];
   5308		struct qed_hwfn *p_lead = QED_LEADING_HWFN(cdev);
   5309		struct qed_mcp_link_state *p_link;
   5310		struct qed_ptt *p_ptt;
   5311
   5312		p_link = &p_lead->mcp_info->link_output;
   5313
   5314		p_ptt = qed_ptt_acquire(p_hwfn);
   5315		if (!p_ptt)
   5316			return -EBUSY;
   5317
   5318		rc = __qed_configure_pf_max_bandwidth(p_hwfn, p_ptt,
   5319						      p_link, max_bw);
   5320
   5321		qed_ptt_release(p_hwfn, p_ptt);
   5322
   5323		if (rc)
   5324			break;
   5325	}
   5326
   5327	return rc;
   5328}
   5329
   5330int __qed_configure_pf_min_bandwidth(struct qed_hwfn *p_hwfn,
   5331				     struct qed_ptt *p_ptt,
   5332				     struct qed_mcp_link_state *p_link,
   5333				     u8 min_bw)
   5334{
   5335	int rc = 0;
   5336
   5337	p_hwfn->mcp_info->func_info.bandwidth_min = min_bw;
   5338	p_hwfn->qm_info.pf_wfq = min_bw;
   5339
   5340	if (!p_link->line_speed)
   5341		return rc;
   5342
   5343	p_link->min_pf_rate = (p_link->line_speed * min_bw) / 100;
   5344
   5345	rc = qed_init_pf_wfq(p_hwfn, p_ptt, p_hwfn->rel_pf_id, min_bw);
   5346
   5347	DP_VERBOSE(p_hwfn, NETIF_MSG_LINK,
   5348		   "Configured MIN bandwidth to be %d Mb/sec\n",
   5349		   p_link->min_pf_rate);
   5350
   5351	return rc;
   5352}
   5353
   5354/* Main API to configure PF min bandwidth where bw range is [1-100] */
   5355int qed_configure_pf_min_bandwidth(struct qed_dev *cdev, u8 min_bw)
   5356{
   5357	int i, rc = -EINVAL;
   5358
   5359	if (min_bw < 1 || min_bw > 100) {
   5360		DP_NOTICE(cdev, "PF min bw valid range is [1-100]\n");
   5361		return rc;
   5362	}
   5363
   5364	for_each_hwfn(cdev, i) {
   5365		struct qed_hwfn *p_hwfn = &cdev->hwfns[i];
   5366		struct qed_hwfn *p_lead = QED_LEADING_HWFN(cdev);
   5367		struct qed_mcp_link_state *p_link;
   5368		struct qed_ptt *p_ptt;
   5369
   5370		p_link = &p_lead->mcp_info->link_output;
   5371
   5372		p_ptt = qed_ptt_acquire(p_hwfn);
   5373		if (!p_ptt)
   5374			return -EBUSY;
   5375
   5376		rc = __qed_configure_pf_min_bandwidth(p_hwfn, p_ptt,
   5377						      p_link, min_bw);
   5378		if (rc) {
   5379			qed_ptt_release(p_hwfn, p_ptt);
   5380			return rc;
   5381		}
   5382
   5383		if (p_link->min_pf_rate) {
   5384			u32 min_rate = p_link->min_pf_rate;
   5385
   5386			rc = __qed_configure_vp_wfq_on_link_change(p_hwfn,
   5387								   p_ptt,
   5388								   min_rate);
   5389		}
   5390
   5391		qed_ptt_release(p_hwfn, p_ptt);
   5392	}
   5393
   5394	return rc;
   5395}
   5396
   5397void qed_clean_wfq_db(struct qed_hwfn *p_hwfn, struct qed_ptt *p_ptt)
   5398{
   5399	struct qed_mcp_link_state *p_link;
   5400
   5401	p_link = &p_hwfn->mcp_info->link_output;
   5402
   5403	if (p_link->min_pf_rate)
   5404		qed_disable_wfq_for_all_vports(p_hwfn, p_ptt,
   5405					       p_link->min_pf_rate);
   5406
   5407	memset(p_hwfn->qm_info.wfq_data, 0,
   5408	       sizeof(*p_hwfn->qm_info.wfq_data) * p_hwfn->qm_info.num_vports);
   5409}
   5410
   5411int qed_device_num_ports(struct qed_dev *cdev)
   5412{
   5413	return cdev->num_ports;
   5414}
   5415
   5416void qed_set_fw_mac_addr(__le16 *fw_msb,
   5417			 __le16 *fw_mid, __le16 *fw_lsb, u8 *mac)
   5418{
   5419	((u8 *)fw_msb)[0] = mac[1];
   5420	((u8 *)fw_msb)[1] = mac[0];
   5421	((u8 *)fw_mid)[0] = mac[3];
   5422	((u8 *)fw_mid)[1] = mac[2];
   5423	((u8 *)fw_lsb)[0] = mac[5];
   5424	((u8 *)fw_lsb)[1] = mac[4];
   5425}
   5426
   5427static int qed_llh_shadow_remove_all_filters(struct qed_dev *cdev, u8 ppfid)
   5428{
   5429	struct qed_llh_info *p_llh_info = cdev->p_llh_info;
   5430	struct qed_llh_filter_info *p_filters;
   5431	int rc;
   5432
   5433	rc = qed_llh_shadow_sanity(cdev, ppfid, 0, "remove_all");
   5434	if (rc)
   5435		return rc;
   5436
   5437	p_filters = p_llh_info->pp_filters[ppfid];
   5438	memset(p_filters, 0, NIG_REG_LLH_FUNC_FILTER_EN_SIZE *
   5439	       sizeof(*p_filters));
   5440
   5441	return 0;
   5442}
   5443
   5444static void qed_llh_clear_ppfid_filters(struct qed_dev *cdev, u8 ppfid)
   5445{
   5446	struct qed_hwfn *p_hwfn = QED_LEADING_HWFN(cdev);
   5447	struct qed_ptt *p_ptt = qed_ptt_acquire(p_hwfn);
   5448	u8 filter_idx, abs_ppfid;
   5449	int rc = 0;
   5450
   5451	if (!p_ptt)
   5452		return;
   5453
   5454	if (!test_bit(QED_MF_LLH_PROTO_CLSS, &cdev->mf_bits) &&
   5455	    !test_bit(QED_MF_LLH_MAC_CLSS, &cdev->mf_bits))
   5456		goto out;
   5457
   5458	rc = qed_llh_abs_ppfid(cdev, ppfid, &abs_ppfid);
   5459	if (rc)
   5460		goto out;
   5461
   5462	rc = qed_llh_shadow_remove_all_filters(cdev, ppfid);
   5463	if (rc)
   5464		goto out;
   5465
   5466	for (filter_idx = 0; filter_idx < NIG_REG_LLH_FUNC_FILTER_EN_SIZE;
   5467	     filter_idx++) {
   5468		rc = qed_llh_remove_filter(p_hwfn, p_ptt,
   5469					   abs_ppfid, filter_idx);
   5470		if (rc)
   5471			goto out;
   5472	}
   5473out:
   5474	qed_ptt_release(p_hwfn, p_ptt);
   5475}
   5476
   5477int qed_llh_add_src_tcp_port_filter(struct qed_dev *cdev, u16 src_port)
   5478{
   5479	return qed_llh_add_protocol_filter(cdev, 0,
   5480					   QED_LLH_FILTER_TCP_SRC_PORT,
   5481					   src_port, QED_LLH_DONT_CARE);
   5482}
   5483
   5484void qed_llh_remove_src_tcp_port_filter(struct qed_dev *cdev, u16 src_port)
   5485{
   5486	qed_llh_remove_protocol_filter(cdev, 0,
   5487				       QED_LLH_FILTER_TCP_SRC_PORT,
   5488				       src_port, QED_LLH_DONT_CARE);
   5489}
   5490
   5491int qed_llh_add_dst_tcp_port_filter(struct qed_dev *cdev, u16 dest_port)
   5492{
   5493	return qed_llh_add_protocol_filter(cdev, 0,
   5494					   QED_LLH_FILTER_TCP_DEST_PORT,
   5495					   QED_LLH_DONT_CARE, dest_port);
   5496}
   5497
   5498void qed_llh_remove_dst_tcp_port_filter(struct qed_dev *cdev, u16 dest_port)
   5499{
   5500	qed_llh_remove_protocol_filter(cdev, 0,
   5501				       QED_LLH_FILTER_TCP_DEST_PORT,
   5502				       QED_LLH_DONT_CARE, dest_port);
   5503}
   5504
   5505void qed_llh_clear_all_filters(struct qed_dev *cdev)
   5506{
   5507	u8 ppfid;
   5508
   5509	if (!test_bit(QED_MF_LLH_PROTO_CLSS, &cdev->mf_bits) &&
   5510	    !test_bit(QED_MF_LLH_MAC_CLSS, &cdev->mf_bits))
   5511		return;
   5512
   5513	for (ppfid = 0; ppfid < cdev->p_llh_info->num_ppfid; ppfid++)
   5514		qed_llh_clear_ppfid_filters(cdev, ppfid);
   5515}