// SPDX-License-Identifier: (GPL-2.0-only OR BSD-3-Clause)
/* QLogic qed NIC Driver
 * Copyright (c) 2015-2017  QLogic Corporation
 * Copyright (c) 2019-2020 Marvell International Ltd.
 */

#include <linux/types.h>
#include <asm/byteorder.h>
#include <linux/io.h>
#include <linux/delay.h>
#include <linux/dma-mapping.h>
#include <linux/errno.h>
#include <linux/kernel.h>
#include <linux/mutex.h>
#include <linux/pci.h>
#include <linux/slab.h>
#include <linux/string.h>
#include <linux/vmalloc.h>
#include <linux/etherdevice.h>
#include <linux/qed/qed_chain.h>
#include <linux/qed/qed_if.h>
#include "qed.h"
#include "qed_cxt.h"
#include "qed_dcbx.h"
#include "qed_dev_api.h"
#include "qed_fcoe.h"
#include "qed_hsi.h"
#include "qed_hw.h"
#include "qed_init_ops.h"
#include "qed_int.h"
#include "qed_iscsi.h"
#include "qed_ll2.h"
#include "qed_mcp.h"
#include "qed_ooo.h"
#include "qed_reg_addr.h"
#include "qed_sp.h"
#include "qed_sriov.h"
#include "qed_vf.h"
#include "qed_rdma.h"
#include "qed_nvmetcp.h"

static DEFINE_SPINLOCK(qm_lock);

/******************** Doorbell Recovery *******************/
/* The doorbell recovery mechanism consists of a list of entries which represent
 * doorbelling entities (l2 queues, roce sq/rq/cqs, the slowpath spq, etc). Each
 * entity needs to register with the mechanism and provide the parameters
 * describing it's doorbell, including a location where last used doorbell data
 * can be found. The doorbell execute function will traverse the list and
 * doorbell all of the registered entries.
 */
struct qed_db_recovery_entry {
        struct list_head list_entry;
        void __iomem *db_addr;
        void *db_data;
        enum qed_db_rec_width db_width;
        enum qed_db_rec_space db_space;
        u8 hwfn_idx;
};

/* Display a single doorbell recovery entry */
static void qed_db_recovery_dp_entry(struct qed_hwfn *p_hwfn,
                                     struct qed_db_recovery_entry *db_entry,
                                     char *action)
{
        DP_VERBOSE(p_hwfn,
                   QED_MSG_SPQ,
                   "(%s: db_entry %p, addr %p, data %p, width %s, %s space, hwfn %d)\n",
                   action,
                   db_entry,
                   db_entry->db_addr,
                   db_entry->db_data,
                   db_entry->db_width == DB_REC_WIDTH_32B ? "32b" : "64b",
                   db_entry->db_space == DB_REC_USER ? "user" : "kernel",
                   db_entry->hwfn_idx);
}

/* Doorbell address sanity (address within doorbell bar range) */
static bool qed_db_rec_sanity(struct qed_dev *cdev,
                              void __iomem *db_addr,
                              enum qed_db_rec_width db_width,
                              void *db_data)
{
        u32 width = (db_width == DB_REC_WIDTH_32B) ? 32 : 64;

        /* Make sure doorbell address is within the doorbell bar */
        if (db_addr < cdev->doorbells ||
            (u8 __iomem *)db_addr + width >
            (u8 __iomem *)cdev->doorbells + cdev->db_size) {
                WARN(true,
                     "Illegal doorbell address: %p. Legal range for doorbell addresses is [%p..%p]\n",
                     db_addr,
                     cdev->doorbells,
                     (u8 __iomem *)cdev->doorbells + cdev->db_size);
                return false;
        }

        /* ake sure doorbell data pointer is not null */
        if (!db_data) {
                WARN(true, "Illegal doorbell data pointer: %p", db_data);
                return false;
        }

        return true;
}

/* Find hwfn according to the doorbell address */
static struct qed_hwfn *qed_db_rec_find_hwfn(struct qed_dev *cdev,
                                             void __iomem *db_addr)
{
        struct qed_hwfn *p_hwfn;

        /* In CMT doorbell bar is split down the middle between engine 0 and enigne 1 */
        if (cdev->num_hwfns > 1)
                p_hwfn = db_addr < cdev->hwfns[1].doorbells ?
                    &cdev->hwfns[0] : &cdev->hwfns[1];
        else
                p_hwfn = QED_LEADING_HWFN(cdev);

        return p_hwfn;
}

/* Add a new entry to the doorbell recovery mechanism */
int qed_db_recovery_add(struct qed_dev *cdev,
                        void __iomem *db_addr,
                        void *db_data,
                        enum qed_db_rec_width db_width,
                        enum qed_db_rec_space db_space)
{
        struct qed_db_recovery_entry *db_entry;
        struct qed_hwfn *p_hwfn;

        /* Shortcircuit VFs, for now */
        if (IS_VF(cdev)) {
                DP_VERBOSE(cdev,
                           QED_MSG_IOV, "db recovery - skipping VF doorbell\n");
                return 0;
        }

        /* Sanitize doorbell address */
        if (!qed_db_rec_sanity(cdev, db_addr, db_width, db_data))
                return -EINVAL;

        /* Obtain hwfn from doorbell address */
        p_hwfn = qed_db_rec_find_hwfn(cdev, db_addr);

        /* Create entry */
        db_entry = kzalloc(sizeof(*db_entry), GFP_KERNEL);
        if (!db_entry) {
                DP_NOTICE(cdev, "Failed to allocate a db recovery entry\n");
                return -ENOMEM;
        }

        /* Populate entry */
        db_entry->db_addr = db_addr;
        db_entry->db_data = db_data;
        db_entry->db_width = db_width;
        db_entry->db_space = db_space;
        db_entry->hwfn_idx = p_hwfn->my_id;

        /* Display */
        qed_db_recovery_dp_entry(p_hwfn, db_entry, "Adding");

        /* Protect the list */
        spin_lock_bh(&p_hwfn->db_recovery_info.lock);
        list_add_tail(&db_entry->list_entry, &p_hwfn->db_recovery_info.list);
        spin_unlock_bh(&p_hwfn->db_recovery_info.lock);

        return 0;
}

/* Remove an entry from the doorbell recovery mechanism */
int qed_db_recovery_del(struct qed_dev *cdev,
                        void __iomem *db_addr, void *db_data)
{
        struct qed_db_recovery_entry *db_entry = NULL;
        struct qed_hwfn *p_hwfn;
        int rc = -EINVAL;

        /* Shortcircuit VFs, for now */
        if (IS_VF(cdev)) {
                DP_VERBOSE(cdev,
                           QED_MSG_IOV, "db recovery - skipping VF doorbell\n");
                return 0;
        }

        /* Obtain hwfn from doorbell address */
        p_hwfn = qed_db_rec_find_hwfn(cdev, db_addr);

        /* Protect the list */
        spin_lock_bh(&p_hwfn->db_recovery_info.lock);
        list_for_each_entry(db_entry,
                            &p_hwfn->db_recovery_info.list, list_entry) {
                /* search according to db_data addr since db_addr is not unique (roce) */
                if (db_entry->db_data == db_data) {
                        qed_db_recovery_dp_entry(p_hwfn, db_entry, "Deleting");
                        list_del(&db_entry->list_entry);
                        rc = 0;
                        break;
                }
        }

        spin_unlock_bh(&p_hwfn->db_recovery_info.lock);

        if (rc == -EINVAL)

                DP_NOTICE(p_hwfn,
                          "Failed to find element in list. Key (db_data addr) was %p. db_addr was %p\n",
                          db_data, db_addr);
        else
                kfree(db_entry);

        return rc;
}

/* Initialize the doorbell recovery mechanism */
static int qed_db_recovery_setup(struct qed_hwfn *p_hwfn)
{
        DP_VERBOSE(p_hwfn, QED_MSG_SPQ, "Setting up db recovery\n");

        /* Make sure db_size was set in cdev */
        if (!p_hwfn->cdev->db_size) {
                DP_ERR(p_hwfn->cdev, "db_size not set\n");
                return -EINVAL;
        }

        INIT_LIST_HEAD(&p_hwfn->db_recovery_info.list);
        spin_lock_init(&p_hwfn->db_recovery_info.lock);
        p_hwfn->db_recovery_info.db_recovery_counter = 0;

        return 0;
}

/* Destroy the doorbell recovery mechanism */
static void qed_db_recovery_teardown(struct qed_hwfn *p_hwfn)
{
        struct qed_db_recovery_entry *db_entry = NULL;

        DP_VERBOSE(p_hwfn, QED_MSG_SPQ, "Tearing down db recovery\n");
        if (!list_empty(&p_hwfn->db_recovery_info.list)) {
                DP_VERBOSE(p_hwfn,
                           QED_MSG_SPQ,
                           "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");
                while (!list_empty(&p_hwfn->db_recovery_info.list)) {
                        db_entry =
                            list_first_entry(&p_hwfn->db_recovery_info.list,
                                             struct qed_db_recovery_entry,
                                             list_entry);
                        qed_db_recovery_dp_entry(p_hwfn, db_entry, "Purging");
                        list_del(&db_entry->list_entry);
                        kfree(db_entry);
                }
        }
        p_hwfn->db_recovery_info.db_recovery_counter = 0;
}

/* Print the content of the doorbell recovery mechanism */
void qed_db_recovery_dp(struct qed_hwfn *p_hwfn)
{
        struct qed_db_recovery_entry *db_entry = NULL;

        DP_NOTICE(p_hwfn,
                  "Displaying doorbell recovery database. Counter was %d\n",
                  p_hwfn->db_recovery_info.db_recovery_counter);

        /* Protect the list */
        spin_lock_bh(&p_hwfn->db_recovery_info.lock);
        list_for_each_entry(db_entry,
                            &p_hwfn->db_recovery_info.list, list_entry) {
                qed_db_recovery_dp_entry(p_hwfn, db_entry, "Printing");
        }

        spin_unlock_bh(&p_hwfn->db_recovery_info.lock);
}

/* Ring the doorbell of a single doorbell recovery entry */
static void qed_db_recovery_ring(struct qed_hwfn *p_hwfn,
                                 struct qed_db_recovery_entry *db_entry)
{
        /* Print according to width */
        if (db_entry->db_width == DB_REC_WIDTH_32B) {
                DP_VERBOSE(p_hwfn, QED_MSG_SPQ,
                           "ringing doorbell address %p data %x\n",
                           db_entry->db_addr,
                           *(u32 *)db_entry->db_data);
        } else {
                DP_VERBOSE(p_hwfn, QED_MSG_SPQ,
                           "ringing doorbell address %p data %llx\n",
                           db_entry->db_addr,
                           *(u64 *)(db_entry->db_data));
        }

        /* Sanity */
        if (!qed_db_rec_sanity(p_hwfn->cdev, db_entry->db_addr,
                               db_entry->db_width, db_entry->db_data))
                return;

        /* Flush the write combined buffer. Since there are multiple doorbelling
         * entities using the same address, if we don't flush, a transaction
         * could be lost.
         */
        wmb();

        /* Ring the doorbell */
        if (db_entry->db_width == DB_REC_WIDTH_32B)
                DIRECT_REG_WR(db_entry->db_addr,
                              *(u32 *)(db_entry->db_data));
        else
                DIRECT_REG_WR64(db_entry->db_addr,
                                *(u64 *)(db_entry->db_data));

        /* Flush the write combined buffer. Next doorbell may come from a
         * different entity to the same address...
         */
        wmb();
}

/* Traverse the doorbell recovery entry list and ring all the doorbells */
void qed_db_recovery_execute(struct qed_hwfn *p_hwfn)
{
        struct qed_db_recovery_entry *db_entry = NULL;

        DP_NOTICE(p_hwfn, "Executing doorbell recovery. Counter was %d\n",
                  p_hwfn->db_recovery_info.db_recovery_counter);

        /* Track amount of times recovery was executed */
        p_hwfn->db_recovery_info.db_recovery_counter++;

        /* Protect the list */
        spin_lock_bh(&p_hwfn->db_recovery_info.lock);
        list_for_each_entry(db_entry,
                            &p_hwfn->db_recovery_info.list, list_entry)
                qed_db_recovery_ring(p_hwfn, db_entry);
        spin_unlock_bh(&p_hwfn->db_recovery_info.lock);
}

/******************** Doorbell Recovery end ****************/

/********************************** NIG LLH ***********************************/

enum qed_llh_filter_type {
        QED_LLH_FILTER_TYPE_MAC,
        QED_LLH_FILTER_TYPE_PROTOCOL,
};

struct qed_llh_mac_filter {
        u8 addr[ETH_ALEN];
};

struct qed_llh_protocol_filter {
        enum qed_llh_prot_filter_type_t type;
        u16 source_port_or_eth_type;
        u16 dest_port;
};

union qed_llh_filter {
        struct qed_llh_mac_filter mac;
        struct qed_llh_protocol_filter protocol;
};

struct qed_llh_filter_info {
        bool b_enabled;
        u32 ref_cnt;
        enum qed_llh_filter_type type;
        union qed_llh_filter filter;
};

struct qed_llh_info {
        /* Number of LLH filters banks */
        u8 num_ppfid;

#define MAX_NUM_PPFID   8
        u8 ppfid_array[MAX_NUM_PPFID];

        /* Array of filters arrays:
         * "num_ppfid" elements of filters banks, where each is an array of
         * "NIG_REG_LLH_FUNC_FILTER_EN_SIZE" filters.
         */
        struct qed_llh_filter_info **pp_filters;
};

static void qed_llh_free(struct qed_dev *cdev)
{
        struct qed_llh_info *p_llh_info = cdev->p_llh_info;
        u32 i;

        if (p_llh_info) {
                if (p_llh_info->pp_filters)
                        for (i = 0; i < p_llh_info->num_ppfid; i++)
                                kfree(p_llh_info->pp_filters[i]);

                kfree(p_llh_info->pp_filters);
        }

        kfree(p_llh_info);
        cdev->p_llh_info = NULL;
}

static int qed_llh_alloc(struct qed_dev *cdev)
{
        struct qed_llh_info *p_llh_info;
        u32 size, i;

        p_llh_info = kzalloc(sizeof(*p_llh_info), GFP_KERNEL);
        if (!p_llh_info)
                return -ENOMEM;
        cdev->p_llh_info = p_llh_info;

        for (i = 0; i < MAX_NUM_PPFID; i++) {
                if (!(cdev->ppfid_bitmap & (0x1 << i)))
                        continue;

                p_llh_info->ppfid_array[p_llh_info->num_ppfid] = i;
                DP_VERBOSE(cdev, QED_MSG_SP, "ppfid_array[%d] = %hhd\n",
                           p_llh_info->num_ppfid, i);
                p_llh_info->num_ppfid++;
        }

        size = p_llh_info->num_ppfid * sizeof(*p_llh_info->pp_filters);
        p_llh_info->pp_filters = kzalloc(size, GFP_KERNEL);
        if (!p_llh_info->pp_filters)
                return -ENOMEM;

        size = NIG_REG_LLH_FUNC_FILTER_EN_SIZE *
            sizeof(**p_llh_info->pp_filters);
        for (i = 0; i < p_llh_info->num_ppfid; i++) {
                p_llh_info->pp_filters[i] = kzalloc(size, GFP_KERNEL);
                if (!p_llh_info->pp_filters[i])
                        return -ENOMEM;
        }

        return 0;
}

static int qed_llh_shadow_sanity(struct qed_dev *cdev,
                                 u8 ppfid, u8 filter_idx, const char *action)
{
        struct qed_llh_info *p_llh_info = cdev->p_llh_info;

        if (ppfid >= p_llh_info->num_ppfid) {
                DP_NOTICE(cdev,
                          "LLH shadow [%s]: using ppfid %d while only %d ppfids are available\n",
                          action, ppfid, p_llh_info->num_ppfid);
                return -EINVAL;
        }

        if (filter_idx >= NIG_REG_LLH_FUNC_FILTER_EN_SIZE) {
                DP_NOTICE(cdev,
                          "LLH shadow [%s]: using filter_idx %d while only %d filters are available\n",
                          action, filter_idx, NIG_REG_LLH_FUNC_FILTER_EN_SIZE);
                return -EINVAL;
        }

        return 0;
}

#define QED_LLH_INVALID_FILTER_IDX      0xff

static int
qed_llh_shadow_search_filter(struct qed_dev *cdev,
                             u8 ppfid,
                             union qed_llh_filter *p_filter, u8 *p_filter_idx)
{
        struct qed_llh_info *p_llh_info = cdev->p_llh_info;
        struct qed_llh_filter_info *p_filters;
        int rc;
        u8 i;

        rc = qed_llh_shadow_sanity(cdev, ppfid, 0, "search");
        if (rc)
                return rc;

        *p_filter_idx = QED_LLH_INVALID_FILTER_IDX;

        p_filters = p_llh_info->pp_filters[ppfid];
        for (i = 0; i < NIG_REG_LLH_FUNC_FILTER_EN_SIZE; i++) {
                if (!memcmp(p_filter, &p_filters[i].filter,
                            sizeof(*p_filter))) {
                        *p_filter_idx = i;
                        break;
                }
        }

        return 0;
}

static int
qed_llh_shadow_get_free_idx(struct qed_dev *cdev, u8 ppfid, u8 *p_filter_idx)
{
        struct qed_llh_info *p_llh_info = cdev->p_llh_info;
        struct qed_llh_filter_info *p_filters;
        int rc;
        u8 i;

        rc = qed_llh_shadow_sanity(cdev, ppfid, 0, "get_free_idx");
        if (rc)
                return rc;

        *p_filter_idx = QED_LLH_INVALID_FILTER_IDX;

        p_filters = p_llh_info->pp_filters[ppfid];
        for (i = 0; i < NIG_REG_LLH_FUNC_FILTER_EN_SIZE; i++) {
                if (!p_filters[i].b_enabled) {
                        *p_filter_idx = i;
                        break;
                }
        }

        return 0;
}

static int
__qed_llh_shadow_add_filter(struct qed_dev *cdev,
                            u8 ppfid,
                            u8 filter_idx,
                            enum qed_llh_filter_type type,
                            union qed_llh_filter *p_filter, u32 *p_ref_cnt)
{
        struct qed_llh_info *p_llh_info = cdev->p_llh_info;
        struct qed_llh_filter_info *p_filters;
        int rc;

        rc = qed_llh_shadow_sanity(cdev, ppfid, filter_idx, "add");
        if (rc)
                return rc;

        p_filters = p_llh_info->pp_filters[ppfid];
        if (!p_filters[filter_idx].ref_cnt) {
                p_filters[filter_idx].b_enabled = true;
                p_filters[filter_idx].type = type;
                memcpy(&p_filters[filter_idx].filter, p_filter,
                       sizeof(p_filters[filter_idx].filter));
        }

        *p_ref_cnt = ++p_filters[filter_idx].ref_cnt;

        return 0;
}

static int
qed_llh_shadow_add_filter(struct qed_dev *cdev,
                          u8 ppfid,
                          enum qed_llh_filter_type type,
                          union qed_llh_filter *p_filter,
                          u8 *p_filter_idx, u32 *p_ref_cnt)
{
        int rc;

        /* Check if the same filter already exist */
        rc = qed_llh_shadow_search_filter(cdev, ppfid, p_filter, p_filter_idx);
        if (rc)
                return rc;

        /* Find a new entry in case of a new filter */
        if (*p_filter_idx == QED_LLH_INVALID_FILTER_IDX) {
                rc = qed_llh_shadow_get_free_idx(cdev, ppfid, p_filter_idx);
                if (rc)
                        return rc;
        }

        /* No free entry was found */
        if (*p_filter_idx == QED_LLH_INVALID_FILTER_IDX) {
                DP_NOTICE(cdev,
                          "Failed to find an empty LLH filter to utilize [ppfid %d]\n",
                          ppfid);
                return -EINVAL;
        }

        return __qed_llh_shadow_add_filter(cdev, ppfid, *p_filter_idx, type,
                                           p_filter, p_ref_cnt);
}

static int
__qed_llh_shadow_remove_filter(struct qed_dev *cdev,
                               u8 ppfid, u8 filter_idx, u32 *p_ref_cnt)
{
        struct qed_llh_info *p_llh_info = cdev->p_llh_info;
        struct qed_llh_filter_info *p_filters;
        int rc;

        rc = qed_llh_shadow_sanity(cdev, ppfid, filter_idx, "remove");
        if (rc)
                return rc;

        p_filters = p_llh_info->pp_filters[ppfid];
        if (!p_filters[filter_idx].ref_cnt) {
                DP_NOTICE(cdev,
                          "LLH shadow: trying to remove a filter with ref_cnt=0\n");
                return -EINVAL;
        }

        *p_ref_cnt = --p_filters[filter_idx].ref_cnt;
        if (!p_filters[filter_idx].ref_cnt)
                memset(&p_filters[filter_idx],
                       0, sizeof(p_filters[filter_idx]));

        return 0;
}

static int
qed_llh_shadow_remove_filter(struct qed_dev *cdev,
                             u8 ppfid,
                             union qed_llh_filter *p_filter,
                             u8 *p_filter_idx, u32 *p_ref_cnt)
{
        int rc;

        rc = qed_llh_shadow_search_filter(cdev, ppfid, p_filter, p_filter_idx);
        if (rc)
                return rc;

        /* No matching filter was found */
        if (*p_filter_idx == QED_LLH_INVALID_FILTER_IDX) {
                DP_NOTICE(cdev, "Failed to find a filter in the LLH shadow\n");
                return -EINVAL;
        }

        return __qed_llh_shadow_remove_filter(cdev, ppfid, *p_filter_idx,
                                              p_ref_cnt);
}

static int qed_llh_abs_ppfid(struct qed_dev *cdev, u8 ppfid, u8 *p_abs_ppfid)
{
        struct qed_llh_info *p_llh_info = cdev->p_llh_info;

        if (ppfid >= p_llh_info->num_ppfid) {
                DP_NOTICE(cdev,
                          "ppfid %d is not valid, available indices are 0..%hhd\n",
                          ppfid, p_llh_info->num_ppfid - 1);
                *p_abs_ppfid = 0;
                return -EINVAL;
        }

        *p_abs_ppfid = p_llh_info->ppfid_array[ppfid];

        return 0;
}

static int
qed_llh_set_engine_affin(struct qed_hwfn *p_hwfn, struct qed_ptt *p_ptt)
{
        struct qed_dev *cdev = p_hwfn->cdev;
        enum qed_eng eng;
        u8 ppfid;
        int rc;

        rc = qed_mcp_get_engine_config(p_hwfn, p_ptt);
        if (rc != 0 && rc != -EOPNOTSUPP) {
                DP_NOTICE(p_hwfn,
                          "Failed to get the engine affinity configuration\n");
                return rc;
        }

        /* RoCE PF is bound to a single engine */
        if (QED_IS_ROCE_PERSONALITY(p_hwfn)) {
                eng = cdev->fir_affin ? QED_ENG1 : QED_ENG0;
                rc = qed_llh_set_roce_affinity(cdev, eng);
                if (rc) {
                        DP_NOTICE(cdev,
                                  "Failed to set the RoCE engine affinity\n");
                        return rc;
                }

                DP_VERBOSE(cdev,
                           QED_MSG_SP,
                           "LLH: Set the engine affinity of RoCE packets as %d\n",
                           eng);
        }

        /* Storage PF is bound to a single engine while L2 PF uses both */
        if (QED_IS_FCOE_PERSONALITY(p_hwfn) || QED_IS_ISCSI_PERSONALITY(p_hwfn) ||
            QED_IS_NVMETCP_PERSONALITY(p_hwfn))
                eng = cdev->fir_affin ? QED_ENG1 : QED_ENG0;
        else                    /* L2_PERSONALITY */
                eng = QED_BOTH_ENG;

        for (ppfid = 0; ppfid < cdev->p_llh_info->num_ppfid; ppfid++) {
                rc = qed_llh_set_ppfid_affinity(cdev, ppfid, eng);
                if (rc) {
                        DP_NOTICE(cdev,
                                  "Failed to set the engine affinity of ppfid %d\n",
                                  ppfid);
                        return rc;
                }
        }

        DP_VERBOSE(cdev, QED_MSG_SP,
                   "LLH: Set the engine affinity of non-RoCE packets as %d\n",
                   eng);

        return 0;
}

static int qed_llh_hw_init_pf(struct qed_hwfn *p_hwfn,
                              struct qed_ptt *p_ptt)
{
        struct qed_dev *cdev = p_hwfn->cdev;
        u8 ppfid, abs_ppfid;
        int rc;

        for (ppfid = 0; ppfid < cdev->p_llh_info->num_ppfid; ppfid++) {
                u32 addr;

                rc = qed_llh_abs_ppfid(cdev, ppfid, &abs_ppfid);
                if (rc)
                        return rc;

                addr = NIG_REG_LLH_PPFID2PFID_TBL_0 + abs_ppfid * 0x4;
                qed_wr(p_hwfn, p_ptt, addr, p_hwfn->rel_pf_id);
        }

        if (test_bit(QED_MF_LLH_MAC_CLSS, &cdev->mf_bits) &&
            !QED_IS_FCOE_PERSONALITY(p_hwfn)) {
                rc = qed_llh_add_mac_filter(cdev, 0,
                                            p_hwfn->hw_info.hw_mac_addr);
                if (rc)
                        DP_NOTICE(cdev,
                                  "Failed to add an LLH filter with the primary MAC\n");
        }

        if (QED_IS_CMT(cdev)) {
                rc = qed_llh_set_engine_affin(p_hwfn, p_ptt);
                if (rc)
                        return rc;
        }

        return 0;
}

u8 qed_llh_get_num_ppfid(struct qed_dev *cdev)
{
        return cdev->p_llh_info->num_ppfid;
}

#define NIG_REG_PPF_TO_ENGINE_SEL_ROCE_MASK             0x3
#define NIG_REG_PPF_TO_ENGINE_SEL_ROCE_SHIFT            0
#define NIG_REG_PPF_TO_ENGINE_SEL_NON_ROCE_MASK         0x3
#define NIG_REG_PPF_TO_ENGINE_SEL_NON_ROCE_SHIFT        2

int qed_llh_set_ppfid_affinity(struct qed_dev *cdev, u8 ppfid, enum qed_eng eng)
{
        struct qed_hwfn *p_hwfn = QED_LEADING_HWFN(cdev);
        struct qed_ptt *p_ptt = qed_ptt_acquire(p_hwfn);
        u32 addr, val, eng_sel;
        u8 abs_ppfid;
        int rc = 0;

        if (!p_ptt)
                return -EAGAIN;

        if (!QED_IS_CMT(cdev))
                goto out;

        rc = qed_llh_abs_ppfid(cdev, ppfid, &abs_ppfid);
        if (rc)
                goto out;

        switch (eng) {
        case QED_ENG0:
                eng_sel = 0;
                break;
        case QED_ENG1:
                eng_sel = 1;
                break;
        case QED_BOTH_ENG:
                eng_sel = 2;
                break;
        default:
                DP_NOTICE(cdev, "Invalid affinity value for ppfid [%d]\n", eng);
                rc = -EINVAL;
                goto out;
        }

        addr = NIG_REG_PPF_TO_ENGINE_SEL + abs_ppfid * 0x4;
        val = qed_rd(p_hwfn, p_ptt, addr);
        SET_FIELD(val, NIG_REG_PPF_TO_ENGINE_SEL_NON_ROCE, eng_sel);
        qed_wr(p_hwfn, p_ptt, addr, val);

        /* The iWARP affinity is set as the affinity of ppfid 0 */
        if (!ppfid && QED_IS_IWARP_PERSONALITY(p_hwfn))
                cdev->iwarp_affin = (eng == QED_ENG1) ? 1 : 0;
out:
        qed_ptt_release(p_hwfn, p_ptt);

        return rc;
}

int qed_llh_set_roce_affinity(struct qed_dev *cdev, enum qed_eng eng)
{
        struct qed_hwfn *p_hwfn = QED_LEADING_HWFN(cdev);
        struct qed_ptt *p_ptt = qed_ptt_acquire(p_hwfn);
        u32 addr, val, eng_sel;
        u8 ppfid, abs_ppfid;
        int rc = 0;

        if (!p_ptt)
                return -EAGAIN;

        if (!QED_IS_CMT(cdev))
                goto out;

        switch (eng) {
        case QED_ENG0:
                eng_sel = 0;
                break;
        case QED_ENG1:
                eng_sel = 1;
                break;
        case QED_BOTH_ENG:
                eng_sel = 2;
                qed_wr(p_hwfn, p_ptt, NIG_REG_LLH_ENG_CLS_ROCE_QP_SEL,
                       0xf);  /* QP bit 15 */
                break;
        default:
                DP_NOTICE(cdev, "Invalid affinity value for RoCE [%d]\n", eng);
                rc = -EINVAL;
                goto out;
        }

        for (ppfid = 0; ppfid < cdev->p_llh_info->num_ppfid; ppfid++) {
                rc = qed_llh_abs_ppfid(cdev, ppfid, &abs_ppfid);
                if (rc)
                        goto out;

                addr = NIG_REG_PPF_TO_ENGINE_SEL + abs_ppfid * 0x4;
                val = qed_rd(p_hwfn, p_ptt, addr);
                SET_FIELD(val, NIG_REG_PPF_TO_ENGINE_SEL_ROCE, eng_sel);
                qed_wr(p_hwfn, p_ptt, addr, val);
        }
out:
        qed_ptt_release(p_hwfn, p_ptt);

        return rc;
}

struct qed_llh_filter_details {
        u64 value;
        u32 mode;
        u32 protocol_type;
        u32 hdr_sel;
        u32 enable;
};

static int
qed_llh_access_filter(struct qed_hwfn *p_hwfn,
                      struct qed_ptt *p_ptt,
                      u8 abs_ppfid,
                      u8 filter_idx,
                      struct qed_llh_filter_details *p_details)
{
        struct qed_dmae_params params = {0};
        u32 addr;
        u8 pfid;
        int rc;

        /* The NIG/LLH registers that are accessed in this function have only 16
         * rows which are exposed to a PF. I.e. only the 16 filters of its
         * default ppfid. Accessing filters of other ppfids requires pretending
         * to another PFs.
         * The calculation of PPFID->PFID in AH is based on the relative index
         * of a PF on its port.
         * For BB the pfid is actually the abs_ppfid.
         */
        if (QED_IS_BB(p_hwfn->cdev))
                pfid = abs_ppfid;
        else
                pfid = abs_ppfid * p_hwfn->cdev->num_ports_in_engine +
                    MFW_PORT(p_hwfn);

        /* Filter enable - should be done first when removing a filter */
        if (!p_details->enable) {
                qed_fid_pretend(p_hwfn, p_ptt,
                                pfid << PXP_PRETEND_CONCRETE_FID_PFID_SHIFT);

                addr = NIG_REG_LLH_FUNC_FILTER_EN + filter_idx * 0x4;
                qed_wr(p_hwfn, p_ptt, addr, p_details->enable);

                qed_fid_pretend(p_hwfn, p_ptt,
                                p_hwfn->rel_pf_id <<
                                PXP_PRETEND_CONCRETE_FID_PFID_SHIFT);
        }

        /* Filter value */
        addr = NIG_REG_LLH_FUNC_FILTER_VALUE + 2 * filter_idx * 0x4;

        SET_FIELD(params.flags, QED_DMAE_PARAMS_DST_PF_VALID, 0x1);
        params.dst_pfid = pfid;
        rc = qed_dmae_host2grc(p_hwfn,
                               p_ptt,
                               (u64)(uintptr_t)&p_details->value,
                               addr, 2 /* size_in_dwords */,
                               &params);
        if (rc)
                return rc;

        qed_fid_pretend(p_hwfn, p_ptt,
                        pfid << PXP_PRETEND_CONCRETE_FID_PFID_SHIFT);

        /* Filter mode */
        addr = NIG_REG_LLH_FUNC_FILTER_MODE + filter_idx * 0x4;
        qed_wr(p_hwfn, p_ptt, addr, p_details->mode);

        /* Filter protocol type */
        addr = NIG_REG_LLH_FUNC_FILTER_PROTOCOL_TYPE + filter_idx * 0x4;
        qed_wr(p_hwfn, p_ptt, addr, p_details->protocol_type);

        /* Filter header select */
        addr = NIG_REG_LLH_FUNC_FILTER_HDR_SEL + filter_idx * 0x4;
        qed_wr(p_hwfn, p_ptt, addr, p_details->hdr_sel);

        /* Filter enable - should be done last when adding a filter */
        if (p_details->enable) {
                addr = NIG_REG_LLH_FUNC_FILTER_EN + filter_idx * 0x4;
                qed_wr(p_hwfn, p_ptt, addr, p_details->enable);
        }

        qed_fid_pretend(p_hwfn, p_ptt,
                        p_hwfn->rel_pf_id <<
                        PXP_PRETEND_CONCRETE_FID_PFID_SHIFT);

        return 0;
}

static int
qed_llh_add_filter(struct qed_hwfn *p_hwfn,
                   struct qed_ptt *p_ptt,
                   u8 abs_ppfid,
                   u8 filter_idx, u8 filter_prot_type, u32 high, u32 low)
{
        struct qed_llh_filter_details filter_details;

        filter_details.enable = 1;
        filter_details.value = ((u64)high << 32) | low;
        filter_details.hdr_sel = 0;
        filter_details.protocol_type = filter_prot_type;
        /* Mode: 0: MAC-address classification 1: protocol classification */
        filter_details.mode = filter_prot_type ? 1 : 0;

        return qed_llh_access_filter(p_hwfn, p_ptt, abs_ppfid, filter_idx,
                                     &filter_details);
}

static int
qed_llh_remove_filter(struct qed_hwfn *p_hwfn,
                      struct qed_ptt *p_ptt, u8 abs_ppfid, u8 filter_idx)
{
        struct qed_llh_filter_details filter_details = {0};

        return qed_llh_access_filter(p_hwfn, p_ptt, abs_ppfid, filter_idx,
                                     &filter_details);
}

int qed_llh_add_mac_filter(struct qed_dev *cdev,
                           u8 ppfid, u8 mac_addr[ETH_ALEN])
{
        struct qed_hwfn *p_hwfn = QED_LEADING_HWFN(cdev);
        struct qed_ptt *p_ptt = qed_ptt_acquire(p_hwfn);
        union qed_llh_filter filter = {};
        u8 filter_idx, abs_ppfid = 0;
        u32 high, low, ref_cnt;
        int rc = 0;

        if (!p_ptt)
                return -EAGAIN;

        if (!test_bit(QED_MF_LLH_MAC_CLSS, &cdev->mf_bits))
                goto out;

        memcpy(filter.mac.addr, mac_addr, ETH_ALEN);
        rc = qed_llh_shadow_add_filter(cdev, ppfid,
                                       QED_LLH_FILTER_TYPE_MAC,
                                       &filter, &filter_idx, &ref_cnt);
        if (rc)
                goto err;

        /* Configure the LLH only in case of a new the filter */
        if (ref_cnt == 1) {
                rc = qed_llh_abs_ppfid(cdev, ppfid, &abs_ppfid);
                if (rc)
                        goto err;

                high = mac_addr[1] | (mac_addr[0] << 8);
                low = mac_addr[5] | (mac_addr[4] << 8) | (mac_addr[3] << 16) |
                      (mac_addr[2] << 24);
                rc = qed_llh_add_filter(p_hwfn, p_ptt, abs_ppfid, filter_idx,
                                        0, high, low);
                if (rc)
                        goto err;
        }

        DP_VERBOSE(cdev,
                   QED_MSG_SP,
                   "LLH: Added MAC filter [%pM] to ppfid %hhd [abs %hhd] at idx %hhd [ref_cnt %d]\n",
                   mac_addr, ppfid, abs_ppfid, filter_idx, ref_cnt);

        goto out;

err:    DP_NOTICE(cdev,
                  "LLH: Failed to add MAC filter [%pM] to ppfid %hhd\n",
                  mac_addr, ppfid);

out:
        qed_ptt_release(p_hwfn, p_ptt);

        return rc;
}

static int
qed_llh_protocol_filter_stringify(struct qed_dev *cdev,
                                  enum qed_llh_prot_filter_type_t type,
                                  u16 source_port_or_eth_type,
                                  u16 dest_port, u8 *str, size_t str_len)
{
        switch (type) {
        case QED_LLH_FILTER_ETHERTYPE:
                snprintf(str, str_len, "Ethertype 0x%04x",
                         source_port_or_eth_type);
                break;
        case QED_LLH_FILTER_TCP_SRC_PORT:
                snprintf(str, str_len, "TCP src port 0x%04x",
                         source_port_or_eth_type);
                break;
        case QED_LLH_FILTER_UDP_SRC_PORT:
                snprintf(str, str_len, "UDP src port 0x%04x",
                         source_port_or_eth_type);
                break;
        case QED_LLH_FILTER_TCP_DEST_PORT:
                snprintf(str, str_len, "TCP dst port 0x%04x", dest_port);
                break;
        case QED_LLH_FILTER_UDP_DEST_PORT:
                snprintf(str, str_len, "UDP dst port 0x%04x", dest_port);
                break;
        case QED_LLH_FILTER_TCP_SRC_AND_DEST_PORT:
                snprintf(str, str_len, "TCP src/dst ports 0x%04x/0x%04x",
                         source_port_or_eth_type, dest_port);
                break;
        case QED_LLH_FILTER_UDP_SRC_AND_DEST_PORT:
                snprintf(str, str_len, "UDP src/dst ports 0x%04x/0x%04x",
                         source_port_or_eth_type, dest_port);
                break;
        default:
                DP_NOTICE(cdev,
                          "Non valid LLH protocol filter type %d\n", type);
                return -EINVAL;
        }

        return 0;
}

static int
qed_llh_protocol_filter_to_hilo(struct qed_dev *cdev,
                                enum qed_llh_prot_filter_type_t type,
                                u16 source_port_or_eth_type,
                                u16 dest_port, u32 *p_high, u32 *p_low)
{
        *p_high = 0;
        *p_low = 0;

        switch (type) {
        case QED_LLH_FILTER_ETHERTYPE:
                *p_high = source_port_or_eth_type;
                break;
        case QED_LLH_FILTER_TCP_SRC_PORT:
        case QED_LLH_FILTER_UDP_SRC_PORT:
                *p_low = source_port_or_eth_type << 16;
                break;
        case QED_LLH_FILTER_TCP_DEST_PORT:
        case QED_LLH_FILTER_UDP_DEST_PORT:
                *p_low = dest_port;
                break;
        case QED_LLH_FILTER_TCP_SRC_AND_DEST_PORT:
        case QED_LLH_FILTER_UDP_SRC_AND_DEST_PORT:
                *p_low = (source_port_or_eth_type << 16) | dest_port;
                break;
        default:
                DP_NOTICE(cdev,
                          "Non valid LLH protocol filter type %d\n", type);
                return -EINVAL;
        }

        return 0;
}

int
qed_llh_add_protocol_filter(struct qed_dev *cdev,
                            u8 ppfid,
                            enum qed_llh_prot_filter_type_t type,
                            u16 source_port_or_eth_type, u16 dest_port)
{
        struct qed_hwfn *p_hwfn = QED_LEADING_HWFN(cdev);
        struct qed_ptt *p_ptt = qed_ptt_acquire(p_hwfn);
        u8 filter_idx, abs_ppfid, str[32], type_bitmap;
        union qed_llh_filter filter = {};
        u32 high, low, ref_cnt;
        int rc = 0;

        if (!p_ptt)
                return -EAGAIN;

        if (!test_bit(QED_MF_LLH_PROTO_CLSS, &cdev->mf_bits))
                goto out;

        rc = qed_llh_protocol_filter_stringify(cdev, type,
                                               source_port_or_eth_type,
                                               dest_port, str, sizeof(str));
        if (rc)
                goto err;

        filter.protocol.type = type;
        filter.protocol.source_port_or_eth_type = source_port_or_eth_type;
        filter.protocol.dest_port = dest_port;
        rc = qed_llh_shadow_add_filter(cdev,
                                       ppfid,
                                       QED_LLH_FILTER_TYPE_PROTOCOL,
                                       &filter, &filter_idx, &ref_cnt);
        if (rc)
                goto err;

        rc = qed_llh_abs_ppfid(cdev, ppfid, &abs_ppfid);
        if (rc)
                goto err;

        /* Configure the LLH only in case of a new the filter */
        if (ref_cnt == 1) {
                rc = qed_llh_protocol_filter_to_hilo(cdev, type,
                                                     source_port_or_eth_type,
                                                     dest_port, &high, &low);
                if (rc)
                        goto err;

                type_bitmap = 0x1 << type;
                rc = qed_llh_add_filter(p_hwfn, p_ptt, abs_ppfid,
                                        filter_idx, type_bitmap, high, low);
                if (rc)
                        goto err;
        }

        DP_VERBOSE(cdev,
                   QED_MSG_SP,
                   "LLH: Added protocol filter [%s] to ppfid %hhd [abs %hhd] at idx %hhd [ref_cnt %d]\n",
                   str, ppfid, abs_ppfid, filter_idx, ref_cnt);

        goto out;

err:    DP_NOTICE(p_hwfn,
                  "LLH: Failed to add protocol filter [%s] to ppfid %hhd\n",
                  str, ppfid);
out:
        qed_ptt_release(p_hwfn, p_ptt);

        return rc;
}

void qed_llh_remove_mac_filter(struct qed_dev *cdev,
                               u8 ppfid, u8 mac_addr[ETH_ALEN])
{
        struct qed_hwfn *p_hwfn = QED_LEADING_HWFN(cdev);
        struct qed_ptt *p_ptt = qed_ptt_acquire(p_hwfn);
        union qed_llh_filter filter = {};
        u8 filter_idx, abs_ppfid;
        int rc = 0;
        u32 ref_cnt;

        if (!p_ptt)
                return;

        if (!test_bit(QED_MF_LLH_MAC_CLSS, &cdev->mf_bits))
                goto out;

        if (QED_IS_NVMETCP_PERSONALITY(p_hwfn))
                return;

        ether_addr_copy(filter.mac.addr, mac_addr);
        rc = qed_llh_shadow_remove_filter(cdev, ppfid, &filter, &filter_idx,
                                          &ref_cnt);
        if (rc)
                goto err;

        rc = qed_llh_abs_ppfid(cdev, ppfid, &abs_ppfid);
        if (rc)
                goto err;

        /* Remove from the LLH in case the filter is not in use */
        if (!ref_cnt) {
                rc = qed_llh_remove_filter(p_hwfn, p_ptt, abs_ppfid,
                                           filter_idx);
                if (rc)
                        goto err;
        }

        DP_VERBOSE(cdev,
                   QED_MSG_SP,
                   "LLH: Removed MAC filter [%pM] from ppfid %hhd [abs %hhd] at idx %hhd [ref_cnt %d]\n",
                   mac_addr, ppfid, abs_ppfid, filter_idx, ref_cnt);

        goto out;

err:    DP_NOTICE(cdev,
                  "LLH: Failed to remove MAC filter [%pM] from ppfid %hhd\n",
                  mac_addr, ppfid);
out:
        qed_ptt_release(p_hwfn, p_ptt);
}

void qed_llh_remove_protocol_filter(struct qed_dev *cdev,
                                    u8 ppfid,
                                    enum qed_llh_prot_filter_type_t type,
                                    u16 source_port_or_eth_type, u16 dest_port)
{
        struct qed_hwfn *p_hwfn = QED_LEADING_HWFN(cdev);
        struct qed_ptt *p_ptt = qed_ptt_acquire(p_hwfn);
        u8 filter_idx, abs_ppfid, str[32];
        union qed_llh_filter filter = {};
        int rc = 0;
        u32 ref_cnt;

        if (!p_ptt)
                return;

        if (!test_bit(QED_MF_LLH_PROTO_CLSS, &cdev->mf_bits))
                goto out;

        rc = qed_llh_protocol_filter_stringify(cdev, type,
                                               source_port_or_eth_type,
                                               dest_port, str, sizeof(str));
        if (rc)
                goto err;

        filter.protocol.type = type;
        filter.protocol.source_port_or_eth_type = source_port_or_eth_type;
        filter.protocol.dest_port = dest_port;
        rc = qed_llh_shadow_remove_filter(cdev, ppfid, &filter, &filter_idx,
                                          &ref_cnt);
        if (rc)
                goto err;

        rc = qed_llh_abs_ppfid(cdev, ppfid, &abs_ppfid);
        if (rc)
                goto err;

        /* Remove from the LLH in case the filter is not in use */
        if (!ref_cnt) {
                rc = qed_llh_remove_filter(p_hwfn, p_ptt, abs_ppfid,
                                           filter_idx);
                if (rc)
                        goto err;
        }

        DP_VERBOSE(cdev,
                   QED_MSG_SP,
                   "LLH: Removed protocol filter [%s] from ppfid %hhd [abs %hhd] at idx %hhd [ref_cnt %d]\n",
                   str, ppfid, abs_ppfid, filter_idx, ref_cnt);

        goto out;

err:    DP_NOTICE(cdev,
                  "LLH: Failed to remove protocol filter [%s] from ppfid %hhd\n",
                  str, ppfid);
out:
        qed_ptt_release(p_hwfn, p_ptt);
}

/******************************* NIG LLH - End ********************************/

#define QED_MIN_DPIS            (4)
#define QED_MIN_PWM_REGION      (QED_WID_SIZE * QED_MIN_DPIS)

static u32 qed_hw_bar_size(struct qed_hwfn *p_hwfn,
                           struct qed_ptt *p_ptt, enum BAR_ID bar_id)
{
        u32 bar_reg = (bar_id == BAR_ID_0 ?
                       PGLUE_B_REG_PF_BAR0_SIZE : PGLUE_B_REG_PF_BAR1_SIZE);
        u32 val;

        if (IS_VF(p_hwfn->cdev))
                return qed_vf_hw_bar_size(p_hwfn, bar_id);

        val = qed_rd(p_hwfn, p_ptt, bar_reg);
        if (val)
                return 1 << (val + 15);

        /* Old MFW initialized above registered only conditionally */
        if (p_hwfn->cdev->num_hwfns > 1) {
                DP_INFO(p_hwfn,
                        "BAR size not configured. Assuming BAR size of 256kB for GRC and 512kB for DB\n");
                        return BAR_ID_0 ? 256 * 1024 : 512 * 1024;
        } else {
                DP_INFO(p_hwfn,
                        "BAR size not configured. Assuming BAR size of 512kB for GRC and 512kB for DB\n");
                        return 512 * 1024;
        }
}

void qed_init_dp(struct qed_dev *cdev, u32 dp_module, u8 dp_level)
{
        u32 i;

        cdev->dp_level = dp_level;
        cdev->dp_module = dp_module;
        for (i = 0; i < MAX_HWFNS_PER_DEVICE; i++) {
                struct qed_hwfn *p_hwfn = &cdev->hwfns[i];

                p_hwfn->dp_level = dp_level;
                p_hwfn->dp_module = dp_module;
        }
}

void qed_init_struct(struct qed_dev *cdev)
{
        u8 i;

        for (i = 0; i < MAX_HWFNS_PER_DEVICE; i++) {
                struct qed_hwfn *p_hwfn = &cdev->hwfns[i];

                p_hwfn->cdev = cdev;
                p_hwfn->my_id = i;
                p_hwfn->b_active = false;

                mutex_init(&p_hwfn->dmae_info.mutex);
        }

        /* hwfn 0 is always active */
        cdev->hwfns[0].b_active = true;

        /* set the default cache alignment to 128 */
        cdev->cache_shift = 7;
}

static void qed_qm_info_free(struct qed_hwfn *p_hwfn)
{
        struct qed_qm_info *qm_info = &p_hwfn->qm_info;

        kfree(qm_info->qm_pq_params);
        qm_info->qm_pq_params = NULL;
        kfree(qm_info->qm_vport_params);
        qm_info->qm_vport_params = NULL;
        kfree(qm_info->qm_port_params);
        qm_info->qm_port_params = NULL;
        kfree(qm_info->wfq_data);
        qm_info->wfq_data = NULL;
}

static void qed_dbg_user_data_free(struct qed_hwfn *p_hwfn)
{
        kfree(p_hwfn->dbg_user_info);
        p_hwfn->dbg_user_info = NULL;
}

void qed_resc_free(struct qed_dev *cdev)
{
        struct qed_rdma_info *rdma_info;
        struct qed_hwfn *p_hwfn;
        int i;

        if (IS_VF(cdev)) {
                for_each_hwfn(cdev, i)
                        qed_l2_free(&cdev->hwfns[i]);
                return;
        }

        kfree(cdev->fw_data);
        cdev->fw_data = NULL;

        kfree(cdev->reset_stats);
        cdev->reset_stats = NULL;

        qed_llh_free(cdev);

        for_each_hwfn(cdev, i) {
                p_hwfn = cdev->hwfns + i;
                rdma_info = p_hwfn->p_rdma_info;

                qed_cxt_mngr_free(p_hwfn);
                qed_qm_info_free(p_hwfn);
                qed_spq_free(p_hwfn);
                qed_eq_free(p_hwfn);
                qed_consq_free(p_hwfn);
                qed_int_free(p_hwfn);
#ifdef CONFIG_QED_LL2
                qed_ll2_free(p_hwfn);
#endif
                if (p_hwfn->hw_info.personality == QED_PCI_FCOE)
                        qed_fcoe_free(p_hwfn);

                if (p_hwfn->hw_info.personality == QED_PCI_ISCSI) {
                        qed_iscsi_free(p_hwfn);
                        qed_ooo_free(p_hwfn);
                }

                if (p_hwfn->hw_info.personality == QED_PCI_NVMETCP) {
                        qed_nvmetcp_free(p_hwfn);
                        qed_ooo_free(p_hwfn);
                }

                if (QED_IS_RDMA_PERSONALITY(p_hwfn) && rdma_info) {
                        qed_spq_unregister_async_cb(p_hwfn, rdma_info->proto);
                        qed_rdma_info_free(p_hwfn);
                }

                qed_iov_free(p_hwfn);
                qed_l2_free(p_hwfn);
                qed_dmae_info_free(p_hwfn);
                qed_dcbx_info_free(p_hwfn);
                qed_dbg_user_data_free(p_hwfn);
                qed_fw_overlay_mem_free(p_hwfn, p_hwfn->fw_overlay_mem);

                /* Destroy doorbell recovery mechanism */
                qed_db_recovery_teardown(p_hwfn);
        }
}

/******************** QM initialization *******************/
#define ACTIVE_TCS_BMAP 0x9f
#define ACTIVE_TCS_BMAP_4PORT_K2 0xf

/* determines the physical queue flags for a given PF. */
static u32 qed_get_pq_flags(struct qed_hwfn *p_hwfn)
{
        u32 flags;

        /* common flags */
        flags = PQ_FLAGS_LB;

        /* feature flags */
        if (IS_QED_SRIOV(p_hwfn->cdev))
                flags |= PQ_FLAGS_VFS;

        /* protocol flags */
        switch (p_hwfn->hw_info.personality) {
        case QED_PCI_ETH:
                flags |= PQ_FLAGS_MCOS;
                break;
        case QED_PCI_FCOE:
                flags |= PQ_FLAGS_OFLD;
                break;
        case QED_PCI_ISCSI:
        case QED_PCI_NVMETCP:
                flags |= PQ_FLAGS_ACK | PQ_FLAGS_OOO | PQ_FLAGS_OFLD;
                break;
        case QED_PCI_ETH_ROCE:
                flags |= PQ_FLAGS_MCOS | PQ_FLAGS_OFLD | PQ_FLAGS_LLT;
                if (IS_QED_MULTI_TC_ROCE(p_hwfn))
                        flags |= PQ_FLAGS_MTC;
                break;
        case QED_PCI_ETH_IWARP:
                flags |= PQ_FLAGS_MCOS | PQ_FLAGS_ACK | PQ_FLAGS_OOO |
                    PQ_FLAGS_OFLD;
                break;
        default:
                DP_ERR(p_hwfn,
                       "unknown personality %d\n", p_hwfn->hw_info.personality);
                return 0;
        }

        return flags;
}

/* Getters for resource amounts necessary for qm initialization */
static u8 qed_init_qm_get_num_tcs(struct qed_hwfn *p_hwfn)
{
        return p_hwfn->hw_info.num_hw_tc;
}

static u16 qed_init_qm_get_num_vfs(struct qed_hwfn *p_hwfn)
{
        return IS_QED_SRIOV(p_hwfn->cdev) ?
               p_hwfn->cdev->p_iov_info->total_vfs : 0;
}

static u8 qed_init_qm_get_num_mtc_tcs(struct qed_hwfn *p_hwfn)
{
        u32 pq_flags = qed_get_pq_flags(p_hwfn);

        if (!(PQ_FLAGS_MTC & pq_flags))
                return 1;

        return qed_init_qm_get_num_tcs(p_hwfn);
}

#define NUM_DEFAULT_RLS 1

static u16 qed_init_qm_get_num_pf_rls(struct qed_hwfn *p_hwfn)
{
        u16 num_pf_rls, num_vfs = qed_init_qm_get_num_vfs(p_hwfn);

        /* num RLs can't exceed resource amount of rls or vports */
        num_pf_rls = (u16) min_t(u32, RESC_NUM(p_hwfn, QED_RL),
                                 RESC_NUM(p_hwfn, QED_VPORT));

        /* Make sure after we reserve there's something left */
        if (num_pf_rls < num_vfs + NUM_DEFAULT_RLS)
                return 0;

        /* subtract rls necessary for VFs and one default one for the PF */
        num_pf_rls -= num_vfs + NUM_DEFAULT_RLS;

        return num_pf_rls;
}

static u16 qed_init_qm_get_num_vports(struct qed_hwfn *p_hwfn)
{
        u32 pq_flags = qed_get_pq_flags(p_hwfn);

        /* all pqs share the same vport, except for vfs and pf_rl pqs */
        return (!!(PQ_FLAGS_RLS & pq_flags)) *
               qed_init_qm_get_num_pf_rls(p_hwfn) +
               (!!(PQ_FLAGS_VFS & pq_flags)) *
               qed_init_qm_get_num_vfs(p_hwfn) + 1;
}

/* calc amount of PQs according to the requested flags */
static u16 qed_init_qm_get_num_pqs(struct qed_hwfn *p_hwfn)
{
        u32 pq_flags = qed_get_pq_flags(p_hwfn);

        return (!!(PQ_FLAGS_RLS & pq_flags)) *
               qed_init_qm_get_num_pf_rls(p_hwfn) +
               (!!(PQ_FLAGS_MCOS & pq_flags)) *
               qed_init_qm_get_num_tcs(p_hwfn) +
               (!!(PQ_FLAGS_LB & pq_flags)) + (!!(PQ_FLAGS_OOO & pq_flags)) +
               (!!(PQ_FLAGS_ACK & pq_flags)) +
               (!!(PQ_FLAGS_OFLD & pq_flags)) *
               qed_init_qm_get_num_mtc_tcs(p_hwfn) +
               (!!(PQ_FLAGS_LLT & pq_flags)) *
               qed_init_qm_get_num_mtc_tcs(p_hwfn) +
               (!!(PQ_FLAGS_VFS & pq_flags)) * qed_init_qm_get_num_vfs(p_hwfn);
}

/* initialize the top level QM params */
static void qed_init_qm_params(struct qed_hwfn *p_hwfn)
{
        struct qed_qm_info *qm_info = &p_hwfn->qm_info;
        bool four_port;

        /* pq and vport bases for this PF */
        qm_info->start_pq = (u16) RESC_START(p_hwfn, QED_PQ);
        qm_info->start_vport = (u8) RESC_START(p_hwfn, QED_VPORT);

        /* rate limiting and weighted fair queueing are always enabled */
        qm_info->vport_rl_en = true;
        qm_info->vport_wfq_en = true;

        /* TC config is different for AH 4 port */
        four_port = p_hwfn->cdev->num_ports_in_engine == MAX_NUM_PORTS_K2;

        /* in AH 4 port we have fewer TCs per port */
        qm_info->max_phys_tcs_per_port = four_port ? NUM_PHYS_TCS_4PORT_K2 :
                                                     NUM_OF_PHYS_TCS;

        /* unless MFW indicated otherwise, ooo_tc == 3 for
         * AH 4-port and 4 otherwise.
         */
        if (!qm_info->ooo_tc)
                qm_info->ooo_tc = four_port ? DCBX_TCP_OOO_K2_4PORT_TC :
                                              DCBX_TCP_OOO_TC;
}

/* initialize qm vport params */
static void qed_init_qm_vport_params(struct qed_hwfn *p_hwfn)
{
        struct qed_qm_info *qm_info = &p_hwfn->qm_info;
        u8 i;

        /* all vports participate in weighted fair queueing */
        for (i = 0; i < qed_init_qm_get_num_vports(p_hwfn); i++)
                qm_info->qm_vport_params[i].wfq = 1;
}

/* initialize qm port params */
static void qed_init_qm_port_params(struct qed_hwfn *p_hwfn)
{
        /* Initialize qm port parameters */
        u8 i, active_phys_tcs, num_ports = p_hwfn->cdev->num_ports_in_engine;
        struct qed_dev *cdev = p_hwfn->cdev;

        /* indicate how ooo and high pri traffic is dealt with */
        active_phys_tcs = num_ports == MAX_NUM_PORTS_K2 ?
                          ACTIVE_TCS_BMAP_4PORT_K2 :
                          ACTIVE_TCS_BMAP;

        for (i = 0; i < num_ports; i++) {
                struct init_qm_port_params *p_qm_port =
                    &p_hwfn->qm_info.qm_port_params[i];
                u16 pbf_max_cmd_lines;

                p_qm_port->active = 1;
                p_qm_port->active_phys_tcs = active_phys_tcs;
                pbf_max_cmd_lines = (u16)NUM_OF_PBF_CMD_LINES(cdev);
                p_qm_port->num_pbf_cmd_lines = pbf_max_cmd_lines / num_ports;
                p_qm_port->num_btb_blocks = NUM_OF_BTB_BLOCKS(cdev) / num_ports;
        }
}

/* Reset the params which must be reset for qm init. QM init may be called as
 * a result of flows other than driver load (e.g. dcbx renegotiation). Other
 * params may be affected by the init but would simply recalculate to the same
 * values. The allocations made for QM init, ports, vports, pqs and vfqs are not
 * affected as these amounts stay the same.
 */
static void qed_init_qm_reset_params(struct qed_hwfn *p_hwfn)
{
        struct qed_qm_info *qm_info = &p_hwfn->qm_info;

        qm_info->num_pqs = 0;
        qm_info->num_vports = 0;
        qm_info->num_pf_rls = 0;
        qm_info->num_vf_pqs = 0;
        qm_info->first_vf_pq = 0;
        qm_info->first_mcos_pq = 0;
        qm_info->first_rl_pq = 0;
}

static void qed_init_qm_advance_vport(struct qed_hwfn *p_hwfn)
{
        struct qed_qm_info *qm_info = &p_hwfn->qm_info;

        qm_info->num_vports++;

        if (qm_info->num_vports > qed_init_qm_get_num_vports(p_hwfn))
                DP_ERR(p_hwfn,
                       "vport overflow! qm_info->num_vports %d, qm_init_get_num_vports() %d\n",
                       qm_info->num_vports, qed_init_qm_get_num_vports(p_hwfn));
}

/* initialize a single pq and manage qm_info resources accounting.
 * The pq_init_flags param determines whether the PQ is rate limited
 * (for VF or PF) and whether a new vport is allocated to the pq or not
 * (i.e. vport will be shared).
 */

/* flags for pq init */
#define PQ_INIT_SHARE_VPORT     (1 << 0)
#define PQ_INIT_PF_RL           (1 << 1)
#define PQ_INIT_VF_RL           (1 << 2)

/* defines for pq init */
#define PQ_INIT_DEFAULT_WRR_GROUP       1
#define PQ_INIT_DEFAULT_TC              0

void qed_hw_info_set_offload_tc(struct qed_hw_info *p_info, u8 tc)
{
        p_info->offload_tc = tc;
        p_info->offload_tc_set = true;
}

static bool qed_is_offload_tc_set(struct qed_hwfn *p_hwfn)
{
        return p_hwfn->hw_info.offload_tc_set;
}

static u32 qed_get_offload_tc(struct qed_hwfn *p_hwfn)
{
        if (qed_is_offload_tc_set(p_hwfn))
                return p_hwfn->hw_info.offload_tc;

        return PQ_INIT_DEFAULT_TC;
}

static void qed_init_qm_pq(struct qed_hwfn *p_hwfn,
                           struct qed_qm_info *qm_info,
                           u8 tc, u32 pq_init_flags)
{
        u16 pq_idx = qm_info->num_pqs, max_pq = qed_init_qm_get_num_pqs(p_hwfn);

        if (pq_idx > max_pq)
                DP_ERR(p_hwfn,
                       "pq overflow! pq %d, max pq %d\n", pq_idx, max_pq);

        /* init pq params */
        qm_info->qm_pq_params[pq_idx].port_id = p_hwfn->port_id;
        qm_info->qm_pq_params[pq_idx].vport_id = qm_info->start_vport +
            qm_info->num_vports;
        qm_info->qm_pq_params[pq_idx].tc_id = tc;
        qm_info->qm_pq_params[pq_idx].wrr_group = PQ_INIT_DEFAULT_WRR_GROUP;
        qm_info->qm_pq_params[pq_idx].rl_valid =
            (pq_init_flags & PQ_INIT_PF_RL || pq_init_flags & PQ_INIT_VF_RL);

        /* qm params accounting */
        qm_info->num_pqs++;
        if (!(pq_init_flags & PQ_INIT_SHARE_VPORT))
                qm_info->num_vports++;

        if (pq_init_flags & PQ_INIT_PF_RL)
                qm_info->num_pf_rls++;

        if (qm_info->num_vports > qed_init_qm_get_num_vports(p_hwfn))
                DP_ERR(p_hwfn,
                       "vport overflow! qm_info->num_vports %d, qm_init_get_num_vports() %d\n",
                       qm_info->num_vports, qed_init_qm_get_num_vports(p_hwfn));

        if (qm_info->num_pf_rls > qed_init_qm_get_num_pf_rls(p_hwfn))
                DP_ERR(p_hwfn,
                       "rl overflow! qm_info->num_pf_rls %d, qm_init_get_num_pf_rls() %d\n",
                       qm_info->num_pf_rls, qed_init_qm_get_num_pf_rls(p_hwfn));
}

/* get pq index according to PQ_FLAGS */
static u16 *qed_init_qm_get_idx_from_flags(struct qed_hwfn *p_hwfn,
                                           unsigned long pq_flags)
{
        struct qed_qm_info *qm_info = &p_hwfn->qm_info;

        /* Can't have multiple flags set here */
        if (bitmap_weight(&pq_flags,
                          sizeof(pq_flags) * BITS_PER_BYTE) > 1) {
                DP_ERR(p_hwfn, "requested multiple pq flags 0x%lx\n", pq_flags);
                goto err;
        }

        if (!(qed_get_pq_flags(p_hwfn) & pq_flags)) {
                DP_ERR(p_hwfn, "pq flag 0x%lx is not set\n", pq_flags);
                goto err;
        }

        switch (pq_flags) {
        case PQ_FLAGS_RLS:
                return &qm_info->first_rl_pq;
        case PQ_FLAGS_MCOS:
                return &qm_info->first_mcos_pq;
        case PQ_FLAGS_LB:
                return &qm_info->pure_lb_pq;
        case PQ_FLAGS_OOO:
                return &qm_info->ooo_pq;
        case PQ_FLAGS_ACK:
                return &qm_info->pure_ack_pq;
        case PQ_FLAGS_OFLD:
                return &qm_info->first_ofld_pq;
        case PQ_FLAGS_LLT:
                return &qm_info->first_llt_pq;
        case PQ_FLAGS_VFS:
                return &qm_info->first_vf_pq;
        default:
                goto err;
        }

err:
        return &qm_info->start_pq;
}

/* save pq index in qm info */
static void qed_init_qm_set_idx(struct qed_hwfn *p_hwfn,
                                u32 pq_flags, u16 pq_val)
{
        u16 *base_pq_idx = qed_init_qm_get_idx_from_flags(p_hwfn, pq_flags);

        *base_pq_idx = p_hwfn->qm_info.start_pq + pq_val;
}

/* get tx pq index, with the PQ TX base already set (ready for context init) */
u16 qed_get_cm_pq_idx(struct qed_hwfn *p_hwfn, u32 pq_flags)
{
        u16 *base_pq_idx = qed_init_qm_get_idx_from_flags(p_hwfn, pq_flags);

        return *base_pq_idx + CM_TX_PQ_BASE;
}

u16 qed_get_cm_pq_idx_mcos(struct qed_hwfn *p_hwfn, u8 tc)
{
        u8 max_tc = qed_init_qm_get_num_tcs(p_hwfn);

        if (max_tc == 0) {
                DP_ERR(p_hwfn, "pq with flag 0x%lx do not exist\n",
                       PQ_FLAGS_MCOS);
                return p_hwfn->qm_info.start_pq;
        }

        if (tc > max_tc)
                DP_ERR(p_hwfn, "tc %d must be smaller than %d\n", tc, max_tc);

        return qed_get_cm_pq_idx(p_hwfn, PQ_FLAGS_MCOS) + (tc % max_tc);
}

u16 qed_get_cm_pq_idx_vf(struct qed_hwfn *p_hwfn, u16 vf)
{
        u16 max_vf = qed_init_qm_get_num_vfs(p_hwfn);

        if (max_vf == 0) {
                DP_ERR(p_hwfn, "pq with flag 0x%lx do not exist\n",
                       PQ_FLAGS_VFS);
                return p_hwfn->qm_info.start_pq;
        }

        if (vf > max_vf)
                DP_ERR(p_hwfn, "vf %d must be smaller than %d\n", vf, max_vf);

        return qed_get_cm_pq_idx(p_hwfn, PQ_FLAGS_VFS) + (vf % max_vf);
}

u16 qed_get_cm_pq_idx_ofld_mtc(struct qed_hwfn *p_hwfn, u8 tc)
{
        u16 first_ofld_pq, pq_offset;

        first_ofld_pq = qed_get_cm_pq_idx(p_hwfn, PQ_FLAGS_OFLD);
        pq_offset = (tc < qed_init_qm_get_num_mtc_tcs(p_hwfn)) ?
                    tc : PQ_INIT_DEFAULT_TC;

        return first_ofld_pq + pq_offset;
}

u16 qed_get_cm_pq_idx_llt_mtc(struct qed_hwfn *p_hwfn, u8 tc)
{
        u16 first_llt_pq, pq_offset;

        first_llt_pq = qed_get_cm_pq_idx(p_hwfn, PQ_FLAGS_LLT);
        pq_offset = (tc < qed_init_qm_get_num_mtc_tcs(p_hwfn)) ?
                    tc : PQ_INIT_DEFAULT_TC;

        return first_llt_pq + pq_offset;
}

/* Functions for creating specific types of pqs */
static void qed_init_qm_lb_pq(struct qed_hwfn *p_hwfn)
{
        struct qed_qm_info *qm_info = &p_hwfn->qm_info;

        if (!(qed_get_pq_flags(p_hwfn) & PQ_FLAGS_LB))
                return;

        qed_init_qm_set_idx(p_hwfn, PQ_FLAGS_LB, qm_info->num_pqs);
        qed_init_qm_pq(p_hwfn, qm_info, PURE_LB_TC, PQ_INIT_SHARE_VPORT);
}

static void qed_init_qm_ooo_pq(struct qed_hwfn *p_hwfn)
{
        struct qed_qm_info *qm_info = &p_hwfn->qm_info;

        if (!(qed_get_pq_flags(p_hwfn) & PQ_FLAGS_OOO))
                return;

        qed_init_qm_set_idx(p_hwfn, PQ_FLAGS_OOO, qm_info->num_pqs);
        qed_init_qm_pq(p_hwfn, qm_info, qm_info->ooo_tc, PQ_INIT_SHARE_VPORT);
}

static void qed_init_qm_pure_ack_pq(struct qed_hwfn *p_hwfn)
{
        struct qed_qm_info *qm_info = &p_hwfn->qm_info;

        if (!(qed_get_pq_flags(p_hwfn) & PQ_FLAGS_ACK))
                return;

        qed_init_qm_set_idx(p_hwfn, PQ_FLAGS_ACK, qm_info->num_pqs);
        qed_init_qm_pq(p_hwfn, qm_info, qed_get_offload_tc(p_hwfn),
                       PQ_INIT_SHARE_VPORT);
}

static void qed_init_qm_mtc_pqs(struct qed_hwfn *p_hwfn)
{
        u8 num_tcs = qed_init_qm_get_num_mtc_tcs(p_hwfn);
        struct qed_qm_info *qm_info = &p_hwfn->qm_info;
        u8 tc;

        /* override pq's TC if offload TC is set */
        for (tc = 0; tc < num_tcs; tc++)
                qed_init_qm_pq(p_hwfn, qm_info,
                               qed_is_offload_tc_set(p_hwfn) ?
                               p_hwfn->hw_info.offload_tc : tc,
                               PQ_INIT_SHARE_VPORT);
}

static void qed_init_qm_offload_pq(struct qed_hwfn *p_hwfn)
{
        struct qed_qm_info *qm_info = &p_hwfn->qm_info;

        if (!(qed_get_pq_flags(p_hwfn) & PQ_FLAGS_OFLD))
                return;

        qed_init_qm_set_idx(p_hwfn, PQ_FLAGS_OFLD, qm_info->num_pqs);
        qed_init_qm_mtc_pqs(p_hwfn);
}

static void qed_init_qm_low_latency_pq(struct qed_hwfn *p_hwfn)
{
        struct qed_qm_info *qm_info = &p_hwfn->qm_info;

        if (!(qed_get_pq_flags(p_hwfn) & PQ_FLAGS_LLT))
                return;

        qed_init_qm_set_idx(p_hwfn, PQ_FLAGS_LLT, qm_info->num_pqs);
        qed_init_qm_mtc_pqs(p_hwfn);
}

static void qed_init_qm_mcos_pqs(struct qed_hwfn *p_hwfn)
{
        struct qed_qm_info *qm_info = &p_hwfn->qm_info;
        u8 tc_idx;

        if (!(qed_get_pq_flags(p_hwfn) & PQ_FLAGS_MCOS))
                return;

        qed_init_qm_set_idx(p_hwfn, PQ_FLAGS_MCOS, qm_info->num_pqs);
        for (tc_idx = 0; tc_idx < qed_init_qm_get_num_tcs(p_hwfn); tc_idx++)
                qed_init_qm_pq(p_hwfn, qm_info, tc_idx, PQ_INIT_SHARE_VPORT);
}

static void qed_init_qm_vf_pqs(struct qed_hwfn *p_hwfn)
{
        struct qed_qm_info *qm_info = &p_hwfn->qm_info;
        u16 vf_idx, num_vfs = qed_init_qm_get_num_vfs(p_hwfn);

        if (!(qed_get_pq_flags(p_hwfn) & PQ_FLAGS_VFS))
                return;

        qed_init_qm_set_idx(p_hwfn, PQ_FLAGS_VFS, qm_info->num_pqs);
        qm_info->num_vf_pqs = num_vfs;
        for (vf_idx = 0; vf_idx < num_vfs; vf_idx++)
                qed_init_qm_pq(p_hwfn,
                               qm_info, PQ_INIT_DEFAULT_TC, PQ_INIT_VF_RL);
}

static void qed_init_qm_rl_pqs(struct qed_hwfn *p_hwfn)
{
        u16 pf_rls_idx, num_pf_rls = qed_init_qm_get_num_pf_rls(p_hwfn);
        struct qed_qm_info *qm_info = &p_hwfn->qm_info;

        if (!(qed_get_pq_flags(p_hwfn) & PQ_FLAGS_RLS))
                return;

        qed_init_qm_set_idx(p_hwfn, PQ_FLAGS_RLS, qm_info->num_pqs);
        for (pf_rls_idx = 0; pf_rls_idx < num_pf_rls; pf_rls_idx++)
                qed_init_qm_pq(p_hwfn, qm_info, qed_get_offload_tc(p_hwfn),
                               PQ_INIT_PF_RL);
}

static void qed_init_qm_pq_params(struct qed_hwfn *p_hwfn)
{
        /* rate limited pqs, must come first (FW assumption) */
        qed_init_qm_rl_pqs(p_hwfn);

        /* pqs for multi cos */
        qed_init_qm_mcos_pqs(p_hwfn);

        /* pure loopback pq */
        qed_init_qm_lb_pq(p_hwfn);

        /* out of order pq */
        qed_init_qm_ooo_pq(p_hwfn);

        /* pure ack pq */
        qed_init_qm_pure_ack_pq(p_hwfn);

        /* pq for offloaded protocol */
        qed_init_qm_offload_pq(p_hwfn);

        /* low latency pq */
        qed_init_qm_low_latency_pq(p_hwfn);

        /* done sharing vports */
        qed_init_qm_advance_vport(p_hwfn);

        /* pqs for vfs */
        qed_init_qm_vf_pqs(p_hwfn);
}

/* compare values of getters against resources amounts */
static int qed_init_qm_sanity(struct qed_hwfn *p_hwfn)
{
        if (qed_init_qm_get_num_vports(p_hwfn) > RESC_NUM(p_hwfn, QED_VPORT)) {
                DP_ERR(p_hwfn, "requested amount of vports exceeds resource\n");
                return -EINVAL;
        }

        if (qed_init_qm_get_num_pqs(p_hwfn) <= RESC_NUM(p_hwfn, QED_PQ))
                return 0;

        if (QED_IS_ROCE_PERSONALITY(p_hwfn)) {
                p_hwfn->hw_info.multi_tc_roce_en = false;
                DP_NOTICE(p_hwfn,
                          "multi-tc roce was disabled to reduce requested amount of pqs\n");
                if (qed_init_qm_get_num_pqs(p_hwfn) <= RESC_NUM(p_hwfn, QED_PQ))
                        return 0;
        }

        DP_ERR(p_hwfn, "requested amount of pqs exceeds resource\n");
        return -EINVAL;
}

static void qed_dp_init_qm_params(struct qed_hwfn *p_hwfn)
{
        struct qed_qm_info *qm_info = &p_hwfn->qm_info;
        struct init_qm_vport_params *vport;
        struct init_qm_port_params *port;
        struct init_qm_pq_params *pq;
        int i, tc;

        /* top level params */
        DP_VERBOSE(p_hwfn,
                   NETIF_MSG_HW,
                   "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",
                   qm_info->start_pq,
                   qm_info->start_vport,
                   qm_info->pure_lb_pq,
                   qm_info->first_ofld_pq,
                   qm_info->first_llt_pq,
                   qm_info->pure_ack_pq);
        DP_VERBOSE(p_hwfn,
                   NETIF_MSG_HW,
                   "ooo_pq %d, first_vf_pq %d, num_pqs %d, num_vf_pqs %d, num_vports %d, max_phys_tcs_per_port %d\n",
                   qm_info->ooo_pq,
                   qm_info->first_vf_pq,
                   qm_info->num_pqs,
                   qm_info->num_vf_pqs,

                   qm_info->num_vports, qm_info->max_phys_tcs_per_port);
        DP_VERBOSE(p_hwfn,
                   NETIF_MSG_HW,
                   "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",
                   qm_info->pf_rl_en,
                   qm_info->pf_wfq_en,
                   qm_info->vport_rl_en,
                   qm_info->vport_wfq_en,
                   qm_info->pf_wfq,
                   qm_info->pf_rl,
                   qm_info->num_pf_rls, qed_get_pq_flags(p_hwfn));

        /* port table */
        for (i = 0; i < p_hwfn->cdev->num_ports_in_engine; i++) {
                port = &(qm_info->qm_port_params[i]);
                DP_VERBOSE(p_hwfn,
                           NETIF_MSG_HW,
                           "port idx %d, active %d, active_phys_tcs %d, num_pbf_cmd_lines %d, num_btb_blocks %d, reserved %d\n",
                           i,
                           port->active,
                           port->active_phys_tcs,
                           port->num_pbf_cmd_lines,
                           port->num_btb_blocks, port->reserved);
        }

        /* vport table */
        for (i = 0; i < qm_info->num_vports; i++) {
                vport = &(qm_info->qm_vport_params[i]);
                DP_VERBOSE(p_hwfn,
                           NETIF_MSG_HW,
                           "vport idx %d, wfq %d, first_tx_pq_id [ ",
                           qm_info->start_vport + i, vport->wfq);
                for (tc = 0; tc < NUM_OF_TCS; tc++)
                        DP_VERBOSE(p_hwfn,
                                   NETIF_MSG_HW,
                                   "%d ", vport->first_tx_pq_id[tc]);
                DP_VERBOSE(p_hwfn, NETIF_MSG_HW, "]\n");
        }

        /* pq table */
        for (i = 0; i < qm_info->num_pqs; i++) {
                pq = &(qm_info->qm_pq_params[i]);
                DP_VERBOSE(p_hwfn,
                           NETIF_MSG_HW,
                           "pq idx %d, port %d, vport_id %d, tc %d, wrr_grp %d, rl_valid %d rl_id %d\n",
                           qm_info->start_pq + i,
                           pq->port_id,
                           pq->vport_id,
                           pq->tc_id, pq->wrr_group, pq->rl_valid, pq->rl_id);
        }
}

static void qed_init_qm_info(struct qed_hwfn *p_hwfn)
{
        /* reset params required for init run */
        qed_init_qm_reset_params(p_hwfn);

        /* init QM top level params */
        qed_init_qm_params(p_hwfn);

        /* init QM port params */
        qed_init_qm_port_params(p_hwfn);

        /* init QM vport params */
        qed_init_qm_vport_params(p_hwfn);

        /* init QM physical queue params */
        qed_init_qm_pq_params(p_hwfn);

        /* display all that init */
        qed_dp_init_qm_params(p_hwfn);
}

/* This function reconfigures the QM pf on the fly.
 * For this purpose we:
 * 1. reconfigure the QM database
 * 2. set new values to runtime array
 * 3. send an sdm_qm_cmd through the rbc interface to stop the QM
 * 4. activate init tool in QM_PF stage
 * 5. send an sdm_qm_cmd through rbc interface to release the QM
 */
int qed_qm_reconf(struct qed_hwfn *p_hwfn, struct qed_ptt *p_ptt)
{
        struct qed_qm_info *qm_info = &p_hwfn->qm_info;
        bool b_rc;
        int rc;

        /* initialize qed's qm data structure */
        qed_init_qm_info(p_hwfn);

        /* stop PF's qm queues */
        spin_lock_bh(&qm_lock);
        b_rc = qed_send_qm_stop_cmd(p_hwfn, p_ptt, false, true,
                                    qm_info->start_pq, qm_info->num_pqs);
        spin_unlock_bh(&qm_lock);
        if (!b_rc)
                return -EINVAL;

        /* prepare QM portion of runtime array */
        qed_qm_init_pf(p_hwfn, p_ptt, false);

        /* activate init tool on runtime array */
        rc = qed_init_run(p_hwfn, p_ptt, PHASE_QM_PF, p_hwfn->rel_pf_id,
                          p_hwfn->hw_info.hw_mode);
        if (rc)
                return rc;

        /* start PF's qm queues */
        spin_lock_bh(&qm_lock);
        b_rc = qed_send_qm_stop_cmd(p_hwfn, p_ptt, true, true,
                                    qm_info->start_pq, qm_info->num_pqs);
        spin_unlock_bh(&qm_lock);
        if (!b_rc)
                return -EINVAL;

        return 0;
}

static int qed_alloc_qm_data(struct qed_hwfn *p_hwfn)
{
        struct qed_qm_info *qm_info = &p_hwfn->qm_info;
        int rc;

        rc = qed_init_qm_sanity(p_hwfn);
        if (rc)
                goto alloc_err;

        qm_info->qm_pq_params = kcalloc(qed_init_qm_get_num_pqs(p_hwfn),
                                        sizeof(*qm_info->qm_pq_params),
                                        GFP_KERNEL);
        if (!qm_info->qm_pq_params)
                goto alloc_err;

        qm_info->qm_vport_params = kcalloc(qed_init_qm_get_num_vports(p_hwfn),
                                           sizeof(*qm_info->qm_vport_params),
                                           GFP_KERNEL);
        if (!qm_info->qm_vport_params)
                goto alloc_err;

        qm_info->qm_port_params = kcalloc(p_hwfn->cdev->num_ports_in_engine,
                                          sizeof(*qm_info->qm_port_params),
                                          GFP_KERNEL);
        if (!qm_info->qm_port_params)
                goto alloc_err;

        qm_info->wfq_data = kcalloc(qed_init_qm_get_num_vports(p_hwfn),
                                    sizeof(*qm_info->wfq_data),
                                    GFP_KERNEL);
        if (!qm_info->wfq_data)
                goto alloc_err;

        return 0;

alloc_err:
        DP_NOTICE(p_hwfn, "Failed to allocate memory for QM params\n");
        qed_qm_info_free(p_hwfn);
        return -ENOMEM;
}

int qed_resc_alloc(struct qed_dev *cdev)
{
        u32 rdma_tasks, excess_tasks;
        u32 line_count;
        int i, rc = 0;

        if (IS_VF(cdev)) {
                for_each_hwfn(cdev, i) {
                        rc = qed_l2_alloc(&cdev->hwfns[i]);
                        if (rc)
                                return rc;
                }
                return rc;
        }

        cdev->fw_data = kzalloc(sizeof(*cdev->fw_data), GFP_KERNEL);
        if (!cdev->fw_data)
                return -ENOMEM;

        for_each_hwfn(cdev, i) {
                struct qed_hwfn *p_hwfn = &cdev->hwfns[i];
                u32 n_eqes, num_cons;

                /* Initialize the doorbell recovery mechanism */
                rc = qed_db_recovery_setup(p_hwfn);
                if (rc)
                        goto alloc_err;

                /* First allocate the context manager structure */
                rc = qed_cxt_mngr_alloc(p_hwfn);
                if (rc)
                        goto alloc_err;

                /* Set the HW cid/tid numbers (in the contest manager)
                 * Must be done prior to any further computations.
                 */
                rc = qed_cxt_set_pf_params(p_hwfn, RDMA_MAX_TIDS);
                if (rc)
                        goto alloc_err;

                rc = qed_alloc_qm_data(p_hwfn);
                if (rc)
                        goto alloc_err;

                /* init qm info */
                qed_init_qm_info(p_hwfn);

                /* Compute the ILT client partition */
                rc = qed_cxt_cfg_ilt_compute(p_hwfn, &line_count);
                if (rc) {
                        DP_NOTICE(p_hwfn,
                                  "too many ILT lines; re-computing with less lines\n");
                        /* In case there are not enough ILT lines we reduce the
                         * number of RDMA tasks and re-compute.
                         */
                        excess_tasks =
                            qed_cxt_cfg_ilt_compute_excess(p_hwfn, line_count);
                        if (!excess_tasks)
                                goto alloc_err;

                        rdma_tasks = RDMA_MAX_TIDS - excess_tasks;
                        rc = qed_cxt_set_pf_params(p_hwfn, rdma_tasks);
                        if (rc)
                                goto alloc_err;

                        rc = qed_cxt_cfg_ilt_compute(p_hwfn, &line_count);
                        if (rc) {
                                DP_ERR(p_hwfn,
                                       "failed ILT compute. Requested too many lines: %u\n",
                                       line_count);

                                goto alloc_err;
                        }
                }

                /* CID map / ILT shadow table / T2
                 * The talbes sizes are determined by the computations above
                 */
                rc = qed_cxt_tables_alloc(p_hwfn);
                if (rc)
                        goto alloc_err;

                /* SPQ, must follow ILT because initializes SPQ context */
                rc = qed_spq_alloc(p_hwfn);
                if (rc)
                        goto alloc_err;

                /* SP status block allocation */
                p_hwfn->p_dpc_ptt = qed_get_reserved_ptt(p_hwfn,
                                                         RESERVED_PTT_DPC);

                rc = qed_int_alloc(p_hwfn, p_hwfn->p_main_ptt);
                if (rc)
                        goto alloc_err;

                rc = qed_iov_alloc(p_hwfn);
                if (rc)
                        goto alloc_err;

                /* EQ */
                n_eqes = qed_chain_get_capacity(&p_hwfn->p_spq->chain);
                if (QED_IS_RDMA_PERSONALITY(p_hwfn)) {
                        u32 n_srq = qed_cxt_get_total_srq_count(p_hwfn);
                        enum protocol_type rdma_proto;

                        if (QED_IS_ROCE_PERSONALITY(p_hwfn))
                                rdma_proto = PROTOCOLID_ROCE;
                        else
                                rdma_proto = PROTOCOLID_IWARP;

                        num_cons = qed_cxt_get_proto_cid_count(p_hwfn,
                                                               rdma_proto,
                                                               NULL) * 2;
                        /* EQ should be able to get events from all SRQ's
                         * at the same time
                         */
                        n_eqes += num_cons + 2 * MAX_NUM_VFS_BB + n_srq;
                } else if (p_hwfn->hw_info.personality == QED_PCI_ISCSI ||
                           p_hwfn->hw_info.personality == QED_PCI_NVMETCP) {
                        num_cons =
                            qed_cxt_get_proto_cid_count(p_hwfn,
                                                        PROTOCOLID_TCP_ULP,
                                                        NULL);
                        n_eqes += 2 * num_cons;
                }

                if (n_eqes > 0xFFFF) {
                        DP_ERR(p_hwfn,
                               "Cannot allocate 0x%x EQ elements. The maximum of a u16 chain is 0x%x\n",
                               n_eqes, 0xFFFF);
                        goto alloc_no_mem;
                }

                rc = qed_eq_alloc(p_hwfn, (u16) n_eqes);
                if (rc)
                        goto alloc_err;

                rc = qed_consq_alloc(p_hwfn);
                if (rc)
                        goto alloc_err;

                rc = qed_l2_alloc(p_hwfn);
                if (rc)
                        goto alloc_err;

#ifdef CONFIG_QED_LL2
                if (p_hwfn->using_ll2) {
                        rc = qed_ll2_alloc(p_hwfn);
                        if (rc)
                                goto alloc_err;
                }
#endif

                if (p_hwfn->hw_info.personality == QED_PCI_FCOE) {
                        rc = qed_fcoe_alloc(p_hwfn);
                        if (rc)
                                goto alloc_err;
                }

                if (p_hwfn->hw_info.personality == QED_PCI_ISCSI) {
                        rc = qed_iscsi_alloc(p_hwfn);
                        if (rc)
                                goto alloc_err;
                        rc = qed_ooo_alloc(p_hwfn);
                        if (rc)
                                goto alloc_err;
                }

                if (p_hwfn->hw_info.personality == QED_PCI_NVMETCP) {
                        rc = qed_nvmetcp_alloc(p_hwfn);
                        if (rc)
                                goto alloc_err;
                        rc = qed_ooo_alloc(p_hwfn);
                        if (rc)
                                goto alloc_err;
                }

                if (QED_IS_RDMA_PERSONALITY(p_hwfn)) {
                        rc = qed_rdma_info_alloc(p_hwfn);
                        if (rc)
                                goto alloc_err;
                }

                /* DMA info initialization */
                rc = qed_dmae_info_alloc(p_hwfn);
                if (rc)
                        goto alloc_err;

                /* DCBX initialization */
                rc = qed_dcbx_info_alloc(p_hwfn);
                if (rc)
                        goto alloc_err;

                rc = qed_dbg_alloc_user_data(p_hwfn, &p_hwfn->dbg_user_info);
                if (rc)
                        goto alloc_err;
        }

        rc = qed_llh_alloc(cdev);
        if (rc) {
                DP_NOTICE(cdev,
                          "Failed to allocate memory for the llh_info structure\n");
                goto alloc_err;
        }

        cdev->reset_stats = kzalloc(sizeof(*cdev->reset_stats), GFP_KERNEL);
        if (!cdev->reset_stats)
                goto alloc_no_mem;

        return 0;

alloc_no_mem:
        rc = -ENOMEM;
alloc_err:
        qed_resc_free(cdev);
        return rc;
}

void qed_resc_setup(struct qed_dev *cdev)
{
        int i;

        if (IS_VF(cdev)) {
                for_each_hwfn(cdev, i)
                        qed_l2_setup(&cdev->hwfns[i]);
                return;
        }

        for_each_hwfn(cdev, i) {
                struct qed_hwfn *p_hwfn = &cdev->hwfns[i];

                qed_cxt_mngr_setup(p_hwfn);
                qed_spq_setup(p_hwfn);
                qed_eq_setup(p_hwfn);
                qed_consq_setup(p_hwfn);

                /* Read shadow of current MFW mailbox */
                qed_mcp_read_mb(p_hwfn, p_hwfn->p_main_ptt);
                memcpy(p_hwfn->mcp_info->mfw_mb_shadow,
                       p_hwfn->mcp_info->mfw_mb_cur,
                       p_hwfn->mcp_info->mfw_mb_length);

                qed_int_setup(p_hwfn, p_hwfn->p_main_ptt);

                qed_l2_setup(p_hwfn);
                qed_iov_setup(p_hwfn);
#ifdef CONFIG_QED_LL2
                if (p_hwfn->using_ll2)
                        qed_ll2_setup(p_hwfn);
#endif
                if (p_hwfn->hw_info.personality == QED_PCI_FCOE)
                        qed_fcoe_setup(p_hwfn);

                if (p_hwfn->hw_info.personality == QED_PCI_ISCSI) {
                        qed_iscsi_setup(p_hwfn);
                        qed_ooo_setup(p_hwfn);
                }

                if (p_hwfn->hw_info.personality == QED_PCI_NVMETCP) {
                        qed_nvmetcp_setup(p_hwfn);
                        qed_ooo_setup(p_hwfn);
                }
        }
}

#define FINAL_CLEANUP_POLL_CNT          (100)
#define FINAL_CLEANUP_POLL_TIME         (10)
int qed_final_cleanup(struct qed_hwfn *p_hwfn,
                      struct qed_ptt *p_ptt, u16 id, bool is_vf)
{
        u32 command = 0, addr, count = FINAL_CLEANUP_POLL_CNT;
        int rc = -EBUSY;

        addr = GTT_BAR0_MAP_REG_USDM_RAM +
                USTORM_FLR_FINAL_ACK_OFFSET(p_hwfn->rel_pf_id);

        if (is_vf)
                id += 0x10;

        command |= X_FINAL_CLEANUP_AGG_INT <<
                SDM_AGG_INT_COMP_PARAMS_AGG_INT_INDEX_SHIFT;
        command |= 1 << SDM_AGG_INT_COMP_PARAMS_AGG_VECTOR_ENABLE_SHIFT;
        command |= id << SDM_AGG_INT_COMP_PARAMS_AGG_VECTOR_BIT_SHIFT;
        command |= SDM_COMP_TYPE_AGG_INT << SDM_OP_GEN_COMP_TYPE_SHIFT;

        /* Make sure notification is not set before initiating final cleanup */
        if (REG_RD(p_hwfn, addr)) {
                DP_NOTICE(p_hwfn,
                          "Unexpected; Found final cleanup notification before initiating final cleanup\n");
                REG_WR(p_hwfn, addr, 0);
        }

        DP_VERBOSE(p_hwfn, QED_MSG_IOV,
                   "Sending final cleanup for PFVF[%d] [Command %08x]\n",
                   id, command);

        qed_wr(p_hwfn, p_ptt, XSDM_REG_OPERATION_GEN, command);

        /* Poll until completion */
        while (!REG_RD(p_hwfn, addr) && count--)
                msleep(FINAL_CLEANUP_POLL_TIME);

        if (REG_RD(p_hwfn, addr))
                rc = 0;
        else
                DP_NOTICE(p_hwfn,
                          "Failed to receive FW final cleanup notification\n");

        /* Cleanup afterwards */
        REG_WR(p_hwfn, addr, 0);

        return rc;
}

static int qed_calc_hw_mode(struct qed_hwfn *p_hwfn)
{
        int hw_mode = 0;

        if (QED_IS_BB_B0(p_hwfn->cdev)) {
                hw_mode |= 1 << MODE_BB;
        } else if (QED_IS_AH(p_hwfn->cdev)) {
                hw_mode |= 1 << MODE_K2;
        } else {
                DP_NOTICE(p_hwfn, "Unknown chip type %#x\n",
                          p_hwfn->cdev->type);
                return -EINVAL;
        }

        switch (p_hwfn->cdev->num_ports_in_engine) {
        case 1:
                hw_mode |= 1 << MODE_PORTS_PER_ENG_1;
                break;
        case 2:
                hw_mode |= 1 << MODE_PORTS_PER_ENG_2;
                break;
        case 4:
                hw_mode |= 1 << MODE_PORTS_PER_ENG_4;
                break;
        default:
                DP_NOTICE(p_hwfn, "num_ports_in_engine = %d not supported\n",
                          p_hwfn->cdev->num_ports_in_engine);
                return -EINVAL;
        }

        if (test_bit(QED_MF_OVLAN_CLSS, &p_hwfn->cdev->mf_bits))
                hw_mode |= 1 << MODE_MF_SD;
        else
                hw_mode |= 1 << MODE_MF_SI;

        hw_mode |= 1 << MODE_ASIC;

        if (p_hwfn->cdev->num_hwfns > 1)
                hw_mode |= 1 << MODE_100G;

        p_hwfn->hw_info.hw_mode = hw_mode;

        DP_VERBOSE(p_hwfn, (NETIF_MSG_PROBE | NETIF_MSG_IFUP),
                   "Configuring function for hw_mode: 0x%08x\n",
                   p_hwfn->hw_info.hw_mode);

        return 0;
}

/* Init run time data for all PFs on an engine. */
static void qed_init_cau_rt_data(struct qed_dev *cdev)
{
        u32 offset = CAU_REG_SB_VAR_MEMORY_RT_OFFSET;
        int i, igu_sb_id;

        for_each_hwfn(cdev, i) {
                struct qed_hwfn *p_hwfn = &cdev->hwfns[i];
                struct qed_igu_info *p_igu_info;
                struct qed_igu_block *p_block;
                struct cau_sb_entry sb_entry;

                p_igu_info = p_hwfn->hw_info.p_igu_info;

                for (igu_sb_id = 0;
                     igu_sb_id < QED_MAPPING_MEMORY_SIZE(cdev); igu_sb_id++) {
                        p_block = &p_igu_info->entry[igu_sb_id];

                        if (!p_block->is_pf)
                                continue;

                        qed_init_cau_sb_entry(p_hwfn, &sb_entry,
                                              p_block->function_id, 0, 0);
                        STORE_RT_REG_AGG(p_hwfn, offset + igu_sb_id * 2,
                                         sb_entry);
                }
        }
}

static void qed_init_cache_line_size(struct qed_hwfn *p_hwfn,
                                     struct qed_ptt *p_ptt)
{
        u32 val, wr_mbs, cache_line_size;

        val = qed_rd(p_hwfn, p_ptt, PSWRQ2_REG_WR_MBS0);
        switch (val) {
        case 0:
                wr_mbs = 128;
                break;
        case 1:
                wr_mbs = 256;
                break;
        case 2:
                wr_mbs = 512;
                break;
        default:
                DP_INFO(p_hwfn,
                        "Unexpected value of PSWRQ2_REG_WR_MBS0 [0x%x]. Avoid configuring PGLUE_B_REG_CACHE_LINE_SIZE.\n",
                        val);
                return;
        }

        cache_line_size = min_t(u32, L1_CACHE_BYTES, wr_mbs);
        switch (cache_line_size) {
        case 32:
                val = 0;
                break;
        case 64:
                val = 1;
                break;
        case 128:
                val = 2;
                break;
        case 256:
                val = 3;
                break;
        default:
                DP_INFO(p_hwfn,
                        "Unexpected value of cache line size [0x%x]. Avoid configuring PGLUE_B_REG_CACHE_LINE_SIZE.\n",
                        cache_line_size);
        }

        if (L1_CACHE_BYTES > wr_mbs)
                DP_INFO(p_hwfn,
                        "The cache line size for padding is suboptimal for performance [OS cache line size 0x%x, wr mbs 0x%x]\n",
                        L1_CACHE_BYTES, wr_mbs);

        STORE_RT_REG(p_hwfn, PGLUE_REG_B_CACHE_LINE_SIZE_RT_OFFSET, val);
        if (val > 0) {
                STORE_RT_REG(p_hwfn, PSWRQ2_REG_DRAM_ALIGN_WR_RT_OFFSET, val);
                STORE_RT_REG(p_hwfn, PSWRQ2_REG_DRAM_ALIGN_RD_RT_OFFSET, val);
        }
}

static int qed_hw_init_common(struct qed_hwfn *p_hwfn,
                              struct qed_ptt *p_ptt, int hw_mode)
{
        struct qed_qm_info *qm_info = &p_hwfn->qm_info;
        struct qed_qm_common_rt_init_params params;
        struct qed_dev *cdev = p_hwfn->cdev;
        u8 vf_id, max_num_vfs;
        u16 num_pfs, pf_id;
        u32 concrete_fid;
        int rc = 0;

        qed_init_cau_rt_data(cdev);

        /* Program GTT windows */
        qed_gtt_init(p_hwfn);

        if (p_hwfn->mcp_info) {
                if (p_hwfn->mcp_info->func_info.bandwidth_max)
                        qm_info->pf_rl_en = true;
                if (p_hwfn->mcp_info->func_info.bandwidth_min)
                        qm_info->pf_wfq_en = true;
        }

        memset(&params, 0, sizeof(params));
        params.max_ports_per_engine = p_hwfn->cdev->num_ports_in_engine;
        params.max_phys_tcs_per_port = qm_info->max_phys_tcs_per_port;
        params.pf_rl_en = qm_info->pf_rl_en;
        params.pf_wfq_en = qm_info->pf_wfq_en;
        params.global_rl_en = qm_info->vport_rl_en;
        params.vport_wfq_en = qm_info->vport_wfq_en;
        params.port_params = qm_info->qm_port_params;

        qed_qm_common_rt_init(p_hwfn, &params);

        qed_cxt_hw_init_common(p_hwfn);

        qed_init_cache_line_size(p_hwfn, p_ptt);

        rc = qed_init_run(p_hwfn, p_ptt, PHASE_ENGINE, ANY_PHASE_ID, hw_mode);
        if (rc)
                return rc;

        qed_wr(p_hwfn, p_ptt, PSWRQ2_REG_L2P_VALIDATE_VFID, 0);
        qed_wr(p_hwfn, p_ptt, PGLUE_B_REG_USE_CLIENTID_IN_TAG, 1);

        if (QED_IS_BB(p_hwfn->cdev)) {
                num_pfs = NUM_OF_ENG_PFS(p_hwfn->cdev);
                for (pf_id = 0; pf_id < num_pfs; pf_id++) {
                        qed_fid_pretend(p_hwfn, p_ptt, pf_id);
                        qed_wr(p_hwfn, p_ptt, PRS_REG_SEARCH_ROCE, 0x0);
                        qed_wr(p_hwfn, p_ptt, PRS_REG_SEARCH_TCP, 0x0);
                }
                /* pretend to original PF */
                qed_fid_pretend(p_hwfn, p_ptt, p_hwfn->rel_pf_id);
        }

        max_num_vfs = QED_IS_AH(cdev) ? MAX_NUM_VFS_K2 : MAX_NUM_VFS_BB;
        for (vf_id = 0; vf_id < max_num_vfs; vf_id++) {
                concrete_fid = qed_vfid_to_concrete(p_hwfn, vf_id);
                qed_fid_pretend(p_hwfn, p_ptt, (u16) concrete_fid);
                qed_wr(p_hwfn, p_ptt, CCFC_REG_STRONG_ENABLE_VF, 0x1);
                qed_wr(p_hwfn, p_ptt, CCFC_REG_WEAK_ENABLE_VF, 0x0);
                qed_wr(p_hwfn, p_ptt, TCFC_REG_STRONG_ENABLE_VF, 0x1);
                qed_wr(p_hwfn, p_ptt, TCFC_REG_WEAK_ENABLE_VF, 0x0);
        }
        /* pretend to original PF */
        qed_fid_pretend(p_hwfn, p_ptt, p_hwfn->rel_pf_id);

        return rc;
}

static int
qed_hw_init_dpi_size(struct qed_hwfn *p_hwfn,
                     struct qed_ptt *p_ptt, u32 pwm_region_size, u32 n_cpus)
{
        u32 dpi_bit_shift, dpi_count, dpi_page_size;
        u32 min_dpis;
        u32 n_wids;

        /* Calculate DPI size */
        n_wids = max_t(u32, QED_MIN_WIDS, n_cpus);
        dpi_page_size = QED_WID_SIZE * roundup_pow_of_two(n_wids);
        dpi_page_size = (dpi_page_size + PAGE_SIZE - 1) & ~(PAGE_SIZE - 1);
        dpi_bit_shift = ilog2(dpi_page_size / 4096);
        dpi_count = pwm_region_size / dpi_page_size;

        min_dpis = p_hwfn->pf_params.rdma_pf_params.min_dpis;
        min_dpis = max_t(u32, QED_MIN_DPIS, min_dpis);

        p_hwfn->dpi_size = dpi_page_size;
        p_hwfn->dpi_count = dpi_count;

        qed_wr(p_hwfn, p_ptt, DORQ_REG_PF_DPI_BIT_SHIFT, dpi_bit_shift);

        if (dpi_count < min_dpis)
                return -EINVAL;

        return 0;
}

enum QED_ROCE_EDPM_MODE {
        QED_ROCE_EDPM_MODE_ENABLE = 0,
        QED_ROCE_EDPM_MODE_FORCE_ON = 1,
        QED_ROCE_EDPM_MODE_DISABLE = 2,
};

bool qed_edpm_enabled(struct qed_hwfn *p_hwfn)
{
        if (p_hwfn->dcbx_no_edpm || p_hwfn->db_bar_no_edpm)
                return false;

        return true;
}

static int
qed_hw_init_pf_doorbell_bar(struct qed_hwfn *p_hwfn, struct qed_ptt *p_ptt)
{
        u32 pwm_regsize, norm_regsize;
        u32 non_pwm_conn, min_addr_reg1;
        u32 db_bar_size, n_cpus = 1;
        u32 roce_edpm_mode;
        u32 pf_dems_shift;
        int rc = 0;
        u8 cond;

        db_bar_size = qed_hw_bar_size(p_hwfn, p_ptt, BAR_ID_1);
        if (p_hwfn->cdev->num_hwfns > 1)
                db_bar_size /= 2;

        /* Calculate doorbell regions */
        non_pwm_conn = qed_cxt_get_proto_cid_start(p_hwfn, PROTOCOLID_CORE) +
                       qed_cxt_get_proto_cid_count(p_hwfn, PROTOCOLID_CORE,
                                                   NULL) +
                       qed_cxt_get_proto_cid_count(p_hwfn, PROTOCOLID_ETH,
                                                   NULL);
        norm_regsize = roundup(QED_PF_DEMS_SIZE * non_pwm_conn, PAGE_SIZE);
        min_addr_reg1 = norm_regsize / 4096;
        pwm_regsize = db_bar_size - norm_regsize;

        /* Check that the normal and PWM sizes are valid */
        if (db_bar_size < norm_regsize) {
                DP_ERR(p_hwfn->cdev,
                       "Doorbell BAR size 0x%x is too small (normal region is 0x%0x )\n",
                       db_bar_size, norm_regsize);
                return -EINVAL;
        }

        if (pwm_regsize < QED_MIN_PWM_REGION) {
                DP_ERR(p_hwfn->cdev,
                       "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",
                       pwm_regsize,
                       QED_MIN_PWM_REGION, db_bar_size, norm_regsize);
                return -EINVAL;
        }

        /* Calculate number of DPIs */
        roce_edpm_mode = p_hwfn->pf_params.rdma_pf_params.roce_edpm_mode;
        if ((roce_edpm_mode == QED_ROCE_EDPM_MODE_ENABLE) ||
            ((roce_edpm_mode == QED_ROCE_EDPM_MODE_FORCE_ON))) {
                /* Either EDPM is mandatory, or we are attempting to allocate a
                 * WID per CPU.
                 */
                n_cpus = num_present_cpus();
                rc = qed_hw_init_dpi_size(p_hwfn, p_ptt, pwm_regsize, n_cpus);
        }

        cond = (rc && (roce_edpm_mode == QED_ROCE_EDPM_MODE_ENABLE)) ||
               (roce_edpm_mode == QED_ROCE_EDPM_MODE_DISABLE);
        if (cond || p_hwfn->dcbx_no_edpm) {
                /* Either EDPM is disabled from user configuration, or it is
                 * disabled via DCBx, or it is not mandatory and we failed to
                 * allocated a WID per CPU.
                 */
                n_cpus = 1;
                rc = qed_hw_init_dpi_size(p_hwfn, p_ptt, pwm_regsize, n_cpus);

                if (cond)
                        qed_rdma_dpm_bar(p_hwfn, p_ptt);
        }

        p_hwfn->wid_count = (u16) n_cpus;

        DP_INFO(p_hwfn,
                "doorbell bar: normal_region_size=%d, pwm_region_size=%d, dpi_size=%d, dpi_count=%d, roce_edpm=%s, page_size=%lu\n",
                norm_regsize,
                pwm_regsize,
                p_hwfn->dpi_size,
                p_hwfn->dpi_count,
                (!qed_edpm_enabled(p_hwfn)) ?
                "disabled" : "enabled", PAGE_SIZE);

        if (rc) {
                DP_ERR(p_hwfn,
                       "Failed to allocate enough DPIs. Allocated %d but the current minimum is %d.\n",
                       p_hwfn->dpi_count,
                       p_hwfn->pf_params.rdma_pf_params.min_dpis);
                return -EINVAL;
        }

        p_hwfn->dpi_start_offset = norm_regsize;

        /* DEMS size is configured log2 of DWORDs, hence the division by 4 */
        pf_dems_shift = ilog2(QED_PF_DEMS_SIZE / 4);
        qed_wr(p_hwfn, p_ptt, DORQ_REG_PF_ICID_BIT_SHIFT_NORM, pf_dems_shift);
        qed_wr(p_hwfn, p_ptt, DORQ_REG_PF_MIN_ADDR_REG1, min_addr_reg1);

        return 0;
}

static int qed_hw_init_port(struct qed_hwfn *p_hwfn,
                            struct qed_ptt *p_ptt, int hw_mode)
{
        int rc = 0;

        /* In CMT the gate should be cleared by the 2nd hwfn */
        if (!QED_IS_CMT(p_hwfn->cdev) || !IS_LEAD_HWFN(p_hwfn))
                STORE_RT_REG(p_hwfn, NIG_REG_BRB_GATE_DNTFWD_PORT_RT_OFFSET, 0);

        rc = qed_init_run(p_hwfn, p_ptt, PHASE_PORT, p_hwfn->port_id, hw_mode);
        if (rc)
                return rc;

        qed_wr(p_hwfn, p_ptt, PGLUE_B_REG_MASTER_WRITE_PAD_ENABLE, 0);

        return 0;
}

static int qed_hw_init_pf(struct qed_hwfn *p_hwfn,
                          struct qed_ptt *p_ptt,
                          struct qed_tunnel_info *p_tunn,
                          int hw_mode,
                          bool b_hw_start,
                          enum qed_int_mode int_mode,
                          bool allow_npar_tx_switch)
{
        u8 rel_pf_id = p_hwfn->rel_pf_id;
        int rc = 0;

        if (p_hwfn->mcp_info) {
                struct qed_mcp_function_info *p_info;

                p_info = &p_hwfn->mcp_info->func_info;
                if (p_info->bandwidth_min)
                        p_hwfn->qm_info.pf_wfq = p_info->bandwidth_min;

                /* Update rate limit once we'll actually have a link */
                p_hwfn->qm_info.pf_rl = 100000;
        }

        qed_cxt_hw_init_pf(p_hwfn, p_ptt);

        qed_int_igu_init_rt(p_hwfn);

        /* Set VLAN in NIG if needed */
        if (hw_mode & BIT(MODE_MF_SD)) {
                DP_VERBOSE(p_hwfn, NETIF_MSG_HW, "Configuring LLH_FUNC_TAG\n");
                STORE_RT_REG(p_hwfn, NIG_REG_LLH_FUNC_TAG_EN_RT_OFFSET, 1);
                STORE_RT_REG(p_hwfn, NIG_REG_LLH_FUNC_TAG_VALUE_RT_OFFSET,
                             p_hwfn->hw_info.ovlan);

                DP_VERBOSE(p_hwfn, NETIF_MSG_HW,
                           "Configuring LLH_FUNC_FILTER_HDR_SEL\n");
                STORE_RT_REG(p_hwfn, NIG_REG_LLH_FUNC_FILTER_HDR_SEL_RT_OFFSET,
                             1);
        }

        /* Enable classification by MAC if needed */
        if (hw_mode & BIT(MODE_MF_SI)) {
                DP_VERBOSE(p_hwfn, NETIF_MSG_HW,
                           "Configuring TAGMAC_CLS_TYPE\n");
                STORE_RT_REG(p_hwfn,
                             NIG_REG_LLH_FUNC_TAGMAC_CLS_TYPE_RT_OFFSET, 1);
        }

        /* Protocol Configuration */
        STORE_RT_REG(p_hwfn, PRS_REG_SEARCH_TCP_RT_OFFSET,
                     ((p_hwfn->hw_info.personality == QED_PCI_ISCSI) ||
                         (p_hwfn->hw_info.personality == QED_PCI_NVMETCP)) ? 1 : 0);
        STORE_RT_REG(p_hwfn, PRS_REG_SEARCH_FCOE_RT_OFFSET,
                     (p_hwfn->hw_info.personality == QED_PCI_FCOE) ? 1 : 0);
        STORE_RT_REG(p_hwfn, PRS_REG_SEARCH_ROCE_RT_OFFSET, 0);

        /* Sanity check before the PF init sequence that uses DMAE */
        rc = qed_dmae_sanity(p_hwfn, p_ptt, "pf_phase");
        if (rc)
                return rc;

        /* PF Init sequence */
        rc = qed_init_run(p_hwfn, p_ptt, PHASE_PF, rel_pf_id, hw_mode);
        if (rc)
                return rc;

        /* QM_PF Init sequence (may be invoked separately e.g. for DCB) */
        rc = qed_init_run(p_hwfn, p_ptt, PHASE_QM_PF, rel_pf_id, hw_mode);
        if (rc)
                return rc;

        qed_fw_overlay_init_ram(p_hwfn, p_ptt, p_hwfn->fw_overlay_mem);

        /* Pure runtime initializations - directly to the HW  */
        qed_int_igu_init_pure_rt(p_hwfn, p_ptt, true, true);

        rc = qed_hw_init_pf_doorbell_bar(p_hwfn, p_ptt);
        if (rc)
                return rc;

        /* Use the leading hwfn since in CMT only NIG #0 is operational */
        if (IS_LEAD_HWFN(p_hwfn)) {
                rc = qed_llh_hw_init_pf(p_hwfn, p_ptt);
                if (rc)
                        return rc;
        }

        if (b_hw_start) {
                /* enable interrupts */
                qed_int_igu_enable(p_hwfn, p_ptt, int_mode);

                /* send function start command */
                rc = qed_sp_pf_start(p_hwfn, p_ptt, p_tunn,
                                     allow_npar_tx_switch);
                if (rc) {
                        DP_NOTICE(p_hwfn, "Function start ramrod failed\n");
                        return rc;
                }
                if (p_hwfn->hw_info.personality == QED_PCI_FCOE) {
                        qed_wr(p_hwfn, p_ptt, PRS_REG_SEARCH_TAG1, BIT(2));
                        qed_wr(p_hwfn, p_ptt,
                               PRS_REG_PKT_LEN_STAT_TAGS_NOT_COUNTED_FIRST,
                               0x100);
                }
        }
        return rc;
}

int qed_pglueb_set_pfid_enable(struct qed_hwfn *p_hwfn,
                               struct qed_ptt *p_ptt, bool b_enable)
{
        u32 delay_idx = 0, val, set_val = b_enable ? 1 : 0;

        /* Configure the PF's internal FID_enable for master transactions */
        qed_wr(p_hwfn, p_ptt, PGLUE_B_REG_INTERNAL_PFID_ENABLE_MASTER, set_val);

        /* Wait until value is set - try for 1 second every 50us */
        for (delay_idx = 0; delay_idx < 20000; delay_idx++) {
                val = qed_rd(p_hwfn, p_ptt,
                             PGLUE_B_REG_INTERNAL_PFID_ENABLE_MASTER);
                if (val == set_val)
                        break;

                usleep_range(50, 60);
        }

        if (val != set_val) {
                DP_NOTICE(p_hwfn,
                          "PFID_ENABLE_MASTER wasn't changed after a second\n");
                return -EAGAIN;
        }

        return 0;
}

static void qed_reset_mb_shadow(struct qed_hwfn *p_hwfn,
                                struct qed_ptt *p_main_ptt)
{
        /* Read shadow of current MFW mailbox */
        qed_mcp_read_mb(p_hwfn, p_main_ptt);
        memcpy(p_hwfn->mcp_info->mfw_mb_shadow,
               p_hwfn->mcp_info->mfw_mb_cur, p_hwfn->mcp_info->mfw_mb_length);
}

static void
qed_fill_load_req_params(struct qed_load_req_params *p_load_req,
                         struct qed_drv_load_params *p_drv_load)
{
        memset(p_load_req, 0, sizeof(*p_load_req));

        p_load_req->drv_role = p_drv_load->is_crash_kernel ?
                               QED_DRV_ROLE_KDUMP : QED_DRV_ROLE_OS;
        p_load_req->timeout_val = p_drv_load->mfw_timeout_val;
        p_load_req->avoid_eng_reset = p_drv_load->avoid_eng_reset;
        p_load_req->override_force_load = p_drv_load->override_force_load;
}

static int qed_vf_start(struct qed_hwfn *p_hwfn,
                        struct qed_hw_init_params *p_params)
{
        if (p_params->p_tunn) {
                qed_vf_set_vf_start_tunn_update_param(p_params->p_tunn);
                qed_vf_pf_tunnel_param_update(p_hwfn, p_params->p_tunn);
        }

        p_hwfn->b_int_enabled = true;

        return 0;