/*
 * Copyright (c) 2004, 2005 Topspin Communications.  All rights reserved.
 * Copyright (c) 2005 Sun Microsystems, Inc. All rights reserved.
 * Copyright (c) 2005, 2006, 2007 Cisco Systems.  All rights reserved.
 * Copyright (c) 2005, 2006, 2007, 2008 Mellanox Technologies. All rights reserved.
 * Copyright (c) 2004 Voltaire, Inc. All rights reserved.
 *
 * This software is available to you under a choice of one of two
 * licenses.  You may choose to be licensed under the terms of the GNU
 * General Public License (GPL) Version 2, available from the file
 * COPYING in the main directory of this source tree, or the
 * OpenIB.org BSD license below:
 *
 *     Redistribution and use in source and binary forms, with or
 *     without modification, are permitted provided that the following
 *     conditions are met:
 *
 *      - Redistributions of source code must retain the above
 *        copyright notice, this list of conditions and the following
 *        disclaimer.
 *
 *      - Redistributions in binary form must reproduce the above
 *        copyright notice, this list of conditions and the following
 *        disclaimer in the documentation and/or other materials
 *        provided with the distribution.
 *
 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
 * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
 * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
 * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS
 * BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN
 * ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
 * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
 * SOFTWARE.
 */

#ifndef MLX4_H
#define MLX4_H

#include <linux/mutex.h>
#include <linux/radix-tree.h>
#include <linux/rbtree.h>
#include <linux/timer.h>
#include <linux/semaphore.h>
#include <linux/workqueue.h>
#include <linux/interrupt.h>
#include <linux/spinlock.h>
#include <net/devlink.h>
#include <linux/rwsem.h>

#include <linux/mlx4/device.h>
#include <linux/mlx4/driver.h>
#include <linux/mlx4/doorbell.h>
#include <linux/mlx4/cmd.h>
#include "fw_qos.h"

#define DRV_NAME        "mlx4_core"
#define DRV_VERSION     "4.0-0"
#define DRV_NAME_FOR_FW         "Linux," DRV_NAME "," DRV_VERSION

#define MLX4_FS_UDP_UC_EN               (1 << 1)
#define MLX4_FS_TCP_UC_EN               (1 << 2)
#define MLX4_FS_NUM_OF_L2_ADDR          8
#define MLX4_FS_MGM_LOG_ENTRY_SIZE      7
#define MLX4_FS_NUM_MCG                 (1 << 17)

#define INIT_HCA_TPT_MW_ENABLE          (1 << 7)

#define MLX4_QUERY_IF_STAT_RESET        BIT(31)

enum {
        MLX4_HCR_BASE           = 0x80680,
        MLX4_HCR_SIZE           = 0x0001c,
        MLX4_CLR_INT_SIZE       = 0x00008,
        MLX4_SLAVE_COMM_BASE    = 0x0,
        MLX4_COMM_PAGESIZE      = 0x1000,
        MLX4_CLOCK_SIZE         = 0x00008,
        MLX4_COMM_CHAN_CAPS     = 0x8,
        MLX4_COMM_CHAN_FLAGS    = 0xc
};

enum {
        MLX4_DEFAULT_MGM_LOG_ENTRY_SIZE = 10,
        MLX4_MIN_MGM_LOG_ENTRY_SIZE = 7,
        MLX4_MAX_MGM_LOG_ENTRY_SIZE = 12,
        MLX4_MAX_QP_PER_MGM = 4 * ((1 << MLX4_MAX_MGM_LOG_ENTRY_SIZE) / 16 - 2),
};

enum {
        MLX4_NUM_PDS            = 1 << 15
};

enum {
        MLX4_CMPT_TYPE_QP       = 0,
        MLX4_CMPT_TYPE_SRQ      = 1,
        MLX4_CMPT_TYPE_CQ       = 2,
        MLX4_CMPT_TYPE_EQ       = 3,
        MLX4_CMPT_NUM_TYPE
};

enum {
        MLX4_CMPT_SHIFT         = 24,
        MLX4_NUM_CMPTS          = MLX4_CMPT_NUM_TYPE << MLX4_CMPT_SHIFT
};

enum mlx4_mpt_state {
        MLX4_MPT_DISABLED = 0,
        MLX4_MPT_EN_HW,
        MLX4_MPT_EN_SW
};

#define MLX4_COMM_TIME          10000
#define MLX4_COMM_OFFLINE_TIME_OUT 30000
#define MLX4_COMM_CMD_NA_OP    0x0


enum {
        MLX4_COMM_CMD_RESET,
        MLX4_COMM_CMD_VHCR0,
        MLX4_COMM_CMD_VHCR1,
        MLX4_COMM_CMD_VHCR2,
        MLX4_COMM_CMD_VHCR_EN,
        MLX4_COMM_CMD_VHCR_POST,
        MLX4_COMM_CMD_FLR = 254
};

enum {
        MLX4_VF_SMI_DISABLED,
        MLX4_VF_SMI_ENABLED
};

/*The flag indicates that the slave should delay the RESET cmd*/
#define MLX4_DELAY_RESET_SLAVE 0xbbbbbbb
/*indicates how many retries will be done if we are in the middle of FLR*/
#define NUM_OF_RESET_RETRIES    10
#define SLEEP_TIME_IN_RESET     (2 * 1000)
enum mlx4_resource {
        RES_QP,
        RES_CQ,
        RES_SRQ,
        RES_XRCD,
        RES_MPT,
        RES_MTT,
        RES_MAC,
        RES_VLAN,
        RES_NPORT_ID,
        RES_COUNTER,
        RES_FS_RULE,
        RES_EQ,
        MLX4_NUM_OF_RESOURCE_TYPE
};

enum mlx4_alloc_mode {
        RES_OP_RESERVE,
        RES_OP_RESERVE_AND_MAP,
        RES_OP_MAP_ICM,
};

enum mlx4_res_tracker_free_type {
        RES_TR_FREE_ALL,
        RES_TR_FREE_SLAVES_ONLY,
        RES_TR_FREE_STRUCTS_ONLY,
};

/*
 *Virtual HCR structures.
 * mlx4_vhcr is the sw representation, in machine endianness
 *
 * mlx4_vhcr_cmd is the formalized structure, the one that is passed
 * to FW to go through communication channel.
 * It is big endian, and has the same structure as the physical HCR
 * used by command interface
 */
struct mlx4_vhcr {
        u64     in_param;
        u64     out_param;
        u32     in_modifier;
        u32     errno;
        u16     op;
        u16     token;
        u8      op_modifier;
        u8      e_bit;
};

struct mlx4_vhcr_cmd {
        __be64 in_param;
        __be32 in_modifier;
        u32 reserved1;
        __be64 out_param;
        __be16 token;
        u16 reserved;
        u8 status;
        u8 flags;
        __be16 opcode;
};

struct mlx4_cmd_info {
        u16 opcode;
        bool has_inbox;
        bool has_outbox;
        bool out_is_imm;
        bool encode_slave_id;
        int (*verify)(struct mlx4_dev *dev, int slave, struct mlx4_vhcr *vhcr,
                      struct mlx4_cmd_mailbox *inbox);
        int (*wrapper)(struct mlx4_dev *dev, int slave, struct mlx4_vhcr *vhcr,
                       struct mlx4_cmd_mailbox *inbox,
                       struct mlx4_cmd_mailbox *outbox,
                       struct mlx4_cmd_info *cmd);
};

#ifdef CONFIG_MLX4_DEBUG
extern int mlx4_debug_level;
#else /* CONFIG_MLX4_DEBUG */
#define mlx4_debug_level        (0)
#endif /* CONFIG_MLX4_DEBUG */

#define mlx4_dbg(mdev, format, ...)                                     \
do {                                                                    \
        if (mlx4_debug_level)                                           \
                dev_printk(KERN_DEBUG,                                  \
                           &(mdev)->persist->pdev->dev, format,         \
                           ##__VA_ARGS__);                              \
} while (0)

#define mlx4_err(mdev, format, ...)                                     \
        dev_err(&(mdev)->persist->pdev->dev, format, ##__VA_ARGS__)
#define mlx4_info(mdev, format, ...)                                    \
        dev_info(&(mdev)->persist->pdev->dev, format, ##__VA_ARGS__)
#define mlx4_warn(mdev, format, ...)                                    \
        dev_warn(&(mdev)->persist->pdev->dev, format, ##__VA_ARGS__)

extern int log_mtts_per_seg;
extern int mlx4_internal_err_reset;

#define MLX4_MAX_NUM_SLAVES     (min(MLX4_MAX_NUM_PF + MLX4_MAX_NUM_VF, \
                                     MLX4_MFUNC_MAX))
#define ALL_SLAVES 0xff

struct mlx4_bitmap {
        u32                     last;
        u32                     top;
        u32                     max;
        u32                     reserved_top;
        u32                     mask;
        u32                     avail;
        u32                     effective_len;
        spinlock_t              lock;
        unsigned long          *table;
};

struct mlx4_buddy {
        unsigned long         **bits;
        unsigned int           *num_free;
        u32                     max_order;
        spinlock_t              lock;
};

struct mlx4_icm;

struct mlx4_icm_table {
        u64                     virt;
        int                     num_icm;
        u32                     num_obj;
        int                     obj_size;
        int                     lowmem;
        int                     coherent;
        struct mutex            mutex;
        struct mlx4_icm       **icm;
};

#define MLX4_MPT_FLAG_SW_OWNS       (0xfUL << 28)
#define MLX4_MPT_FLAG_FREE          (0x3UL << 28)
#define MLX4_MPT_FLAG_MIO           (1 << 17)
#define MLX4_MPT_FLAG_BIND_ENABLE   (1 << 15)
#define MLX4_MPT_FLAG_PHYSICAL      (1 <<  9)
#define MLX4_MPT_FLAG_REGION        (1 <<  8)

#define MLX4_MPT_PD_MASK            (0x1FFFFUL)
#define MLX4_MPT_PD_VF_MASK         (0xFE0000UL)
#define MLX4_MPT_PD_FLAG_FAST_REG   (1 << 27)
#define MLX4_MPT_PD_FLAG_RAE        (1 << 28)
#define MLX4_MPT_PD_FLAG_EN_INV     (3 << 24)

#define MLX4_MPT_QP_FLAG_BOUND_QP   (1 << 7)

#define MLX4_MPT_STATUS_SW              0xF0
#define MLX4_MPT_STATUS_HW              0x00

#define MLX4_CQE_SIZE_MASK_STRIDE       0x3
#define MLX4_EQE_SIZE_MASK_STRIDE       0x30

#define MLX4_EQ_ASYNC                   0
#define MLX4_EQ_TO_CQ_VECTOR(vector)    ((vector) - \
                                         !!((int)(vector) >= MLX4_EQ_ASYNC))
#define MLX4_CQ_TO_EQ_VECTOR(vector)    ((vector) + \
                                         !!((int)(vector) >= MLX4_EQ_ASYNC))

/*
 * Must be packed because mtt_seg is 64 bits but only aligned to 32 bits.
 */
struct mlx4_mpt_entry {
        __be32 flags;
        __be32 qpn;
        __be32 key;
        __be32 pd_flags;
        __be64 start;
        __be64 length;
        __be32 lkey;
        __be32 win_cnt;
        u8      reserved1[3];
        u8      mtt_rep;
        __be64 mtt_addr;
        __be32 mtt_sz;
        __be32 entity_size;
        __be32 first_byte_offset;
} __packed;

/*
 * Must be packed because start is 64 bits but only aligned to 32 bits.
 */
struct mlx4_eq_context {
        __be32                  flags;
        u16                     reserved1[3];
        __be16                  page_offset;
        u8                      log_eq_size;
        u8                      reserved2[4];
        u8                      eq_period;
        u8                      reserved3;
        u8                      eq_max_count;
        u8                      reserved4[3];
        u8                      intr;
        u8                      log_page_size;
        u8                      reserved5[2];
        u8                      mtt_base_addr_h;
        __be32                  mtt_base_addr_l;
        u32                     reserved6[2];
        __be32                  consumer_index;
        __be32                  producer_index;
        u32                     reserved7[4];
};

struct mlx4_cq_context {
        __be32                  flags;
        u16                     reserved1[3];
        __be16                  page_offset;
        __be32                  logsize_usrpage;
        __be16                  cq_period;
        __be16                  cq_max_count;
        u8                      reserved2[3];
        u8                      comp_eqn;
        u8                      log_page_size;
        u8                      reserved3[2];
        u8                      mtt_base_addr_h;
        __be32                  mtt_base_addr_l;
        __be32                  last_notified_index;
        __be32                  solicit_producer_index;
        __be32                  consumer_index;
        __be32                  producer_index;
        u32                     reserved4[2];
        __be64                  db_rec_addr;
};

struct mlx4_srq_context {
        __be32                  state_logsize_srqn;
        u8                      logstride;
        u8                      reserved1;
        __be16                  xrcd;
        __be32                  pg_offset_cqn;
        u32                     reserved2;
        u8                      log_page_size;
        u8                      reserved3[2];
        u8                      mtt_base_addr_h;
        __be32                  mtt_base_addr_l;
        __be32                  pd;
        __be16                  limit_watermark;
        __be16                  wqe_cnt;
        u16                     reserved4;
        __be16                  wqe_counter;
        u32                     reserved5;
        __be64                  db_rec_addr;
};

struct mlx4_eq_tasklet {
        struct list_head list;
        struct list_head process_list;
        struct tasklet_struct task;
        /* lock on completion tasklet list */
        spinlock_t lock;
};

struct mlx4_eq {
        struct mlx4_dev        *dev;
        void __iomem           *doorbell;
        int                     eqn;
        u32                     cons_index;
        u16                     irq;
        u16                     have_irq;
        int                     nent;
        struct mlx4_buf_list   *page_list;
        struct mlx4_mtt         mtt;
        struct mlx4_eq_tasklet  tasklet_ctx;
        struct mlx4_active_ports actv_ports;
        u32                     ref_count;
        cpumask_var_t           affinity_mask;
};

struct mlx4_slave_eqe {
        u8 type;
        u8 port;
        u32 param;
};

struct mlx4_slave_event_eq_info {
        int eqn;
        u16 token;
};

struct mlx4_profile {
        int                     num_qp;
        int                     rdmarc_per_qp;
        int                     num_srq;
        int                     num_cq;
        int                     num_mcg;
        int                     num_mpt;
        unsigned                num_mtt;
};

struct mlx4_fw {
        u64                     clr_int_base;
        u64                     catas_offset;
        u64                     comm_base;
        u64                     clock_offset;
        struct mlx4_icm        *fw_icm;
        struct mlx4_icm        *aux_icm;
        u32                     catas_size;
        u16                     fw_pages;
        u8                      clr_int_bar;
        u8                      catas_bar;
        u8                      comm_bar;
        u8                      clock_bar;
};

struct mlx4_comm {
        u32                     slave_write;
        u32                     slave_read;
};

enum {
        MLX4_MCAST_CONFIG       = 0,
        MLX4_MCAST_DISABLE      = 1,
        MLX4_MCAST_ENABLE       = 2,
};

#define VLAN_FLTR_SIZE  128

struct mlx4_vlan_fltr {
        __be32 entry[VLAN_FLTR_SIZE];
};

struct mlx4_mcast_entry {
        struct list_head list;
        u64 addr;
};

struct mlx4_promisc_qp {
        struct list_head list;
        u32 qpn;
};

struct mlx4_steer_index {
        struct list_head list;
        unsigned int index;
        struct list_head duplicates;
};

#define MLX4_EVENT_TYPES_NUM 64

struct mlx4_slave_state {
        u8 comm_toggle;
        u8 last_cmd;
        u8 init_port_mask;
        bool active;
        bool old_vlan_api;
        bool vst_qinq_supported;
        u8 function;
        dma_addr_t vhcr_dma;
        u16 user_mtu[MLX4_MAX_PORTS + 1];
        u16 mtu[MLX4_MAX_PORTS + 1];
        __be32 ib_cap_mask[MLX4_MAX_PORTS + 1];
        struct mlx4_slave_eqe eq[MLX4_MFUNC_MAX_EQES];
        struct list_head mcast_filters[MLX4_MAX_PORTS + 1];
        struct mlx4_vlan_fltr *vlan_filter[MLX4_MAX_PORTS + 1];
        /* event type to eq number lookup */
        struct mlx4_slave_event_eq_info event_eq[MLX4_EVENT_TYPES_NUM];
        u16 eq_pi;
        u16 eq_ci;
        spinlock_t lock;
        /*initialized via the kzalloc*/
        u8 is_slave_going_down;
        u32 cookie;
        enum slave_port_state port_state[MLX4_MAX_PORTS + 1];
};

#define MLX4_VGT 4095
#define NO_INDX  (-1)

struct mlx4_vport_state {
        u64 mac;
        u16 default_vlan;
        u8  default_qos;
        __be16 vlan_proto;
        u32 tx_rate;
        bool spoofchk;
        u32 link_state;
        u8 qos_vport;
        __be64 guid;
};

struct mlx4_vf_admin_state {
        struct mlx4_vport_state vport[MLX4_MAX_PORTS + 1];
        u8 enable_smi[MLX4_MAX_PORTS + 1];
};

struct mlx4_vport_oper_state {
        struct mlx4_vport_state state;
        int mac_idx;
        int vlan_idx;
};

struct mlx4_vf_oper_state {
        struct mlx4_vport_oper_state vport[MLX4_MAX_PORTS + 1];
        u8 smi_enabled[MLX4_MAX_PORTS + 1];
};

struct slave_list {
        struct mutex mutex;
        struct list_head res_list[MLX4_NUM_OF_RESOURCE_TYPE];
};

struct resource_allocator {
        spinlock_t alloc_lock; /* protect quotas */
        union {
                unsigned int res_reserved;
                unsigned int res_port_rsvd[MLX4_MAX_PORTS];
        };
        union {
                int res_free;
                int res_port_free[MLX4_MAX_PORTS];
        };
        int *quota;
        int *allocated;
        int *guaranteed;
};

struct mlx4_resource_tracker {
        spinlock_t lock;
        /* tree for each resources */
        struct rb_root res_tree[MLX4_NUM_OF_RESOURCE_TYPE];
        /* num_of_slave's lists, one per slave */
        struct slave_list *slave_list;
        struct resource_allocator res_alloc[MLX4_NUM_OF_RESOURCE_TYPE];
};

#define SLAVE_EVENT_EQ_SIZE     128
struct mlx4_slave_event_eq {
        u32 eqn;
        u32 cons;
        u32 prod;
        spinlock_t event_lock;
        struct mlx4_eqe event_eqe[SLAVE_EVENT_EQ_SIZE];
};

struct mlx4_qos_manager {
        int num_of_qos_vfs;
        DECLARE_BITMAP(priority_bm, MLX4_NUM_UP);
};

struct mlx4_master_qp0_state {
        int proxy_qp0_active;
        int qp0_active;
        int port_active;
};

struct mlx4_mfunc_master_ctx {
        struct mlx4_slave_state *slave_state;
        struct mlx4_vf_admin_state *vf_admin;
        struct mlx4_vf_oper_state *vf_oper;
        struct mlx4_master_qp0_state qp0_state[MLX4_MAX_PORTS + 1];
        int                     init_port_ref[MLX4_MAX_PORTS + 1];
        u16                     max_mtu[MLX4_MAX_PORTS + 1];
        u16                     max_user_mtu[MLX4_MAX_PORTS + 1];
        u8                      pptx;
        u8                      pprx;
        int                     disable_mcast_ref[MLX4_MAX_PORTS + 1];
        struct mlx4_resource_tracker res_tracker;
        struct workqueue_struct *comm_wq;
        struct work_struct      comm_work;
        struct work_struct      slave_event_work;
        struct work_struct      slave_flr_event_work;
        spinlock_t              slave_state_lock;
        __be32                  comm_arm_bit_vector[4];
        struct mlx4_eqe         cmd_eqe;
        struct mlx4_slave_event_eq slave_eq;
        struct mutex            gen_eqe_mutex[MLX4_MFUNC_MAX];
        struct mlx4_qos_manager qos_ctl[MLX4_MAX_PORTS + 1];
        u32                     next_slave; /* mlx4_master_comm_channel */
};

struct mlx4_mfunc {
        struct mlx4_comm __iomem       *comm;
        struct mlx4_vhcr_cmd           *vhcr;
        dma_addr_t                      vhcr_dma;

        struct mlx4_mfunc_master_ctx    master;
};

#define MGM_QPN_MASK       0x00FFFFFF
#define MGM_BLCK_LB_BIT    30

struct mlx4_mgm {
        __be32                  next_gid_index;
        __be32                  members_count;
        u32                     reserved[2];
        u8                      gid[16];
        __be32                  qp[MLX4_MAX_QP_PER_MGM];
};

struct mlx4_cmd {
        struct dma_pool        *pool;
        void __iomem           *hcr;
        struct mutex            slave_cmd_mutex;
        struct semaphore        poll_sem;
        struct semaphore        event_sem;
        struct rw_semaphore     switch_sem;
        int                     max_cmds;
        spinlock_t              context_lock;
        int                     free_head;
        struct mlx4_cmd_context *context;
        u16                     token_mask;
        u8                      use_events;
        u8                      toggle;
        u8                      comm_toggle;
        u8                      initialized;
};

enum {
        MLX4_VF_IMMED_VLAN_FLAG_VLAN = 1 << 0,
        MLX4_VF_IMMED_VLAN_FLAG_QOS = 1 << 1,
        MLX4_VF_IMMED_VLAN_FLAG_LINK_DISABLE = 1 << 2,
};
struct mlx4_vf_immed_vlan_work {
        struct work_struct      work;
        struct mlx4_priv        *priv;
        int                     flags;
        int                     slave;
        int                     vlan_ix;
        int                     orig_vlan_ix;
        u8                      port;
        u8                      qos;
        u8                      qos_vport;
        u16                     vlan_id;
        u16                     orig_vlan_id;
        __be16                  vlan_proto;
};


struct mlx4_uar_table {
        struct mlx4_bitmap      bitmap;
};

struct mlx4_mr_table {
        struct mlx4_bitmap      mpt_bitmap;
        struct mlx4_buddy       mtt_buddy;
        u64                     mtt_base;
        u64                     mpt_base;
        struct mlx4_icm_table   mtt_table;
        struct mlx4_icm_table   dmpt_table;
};

struct mlx4_cq_table {
        struct mlx4_bitmap      bitmap;
        spinlock_t              lock;
        struct radix_tree_root  tree;
        struct mlx4_icm_table   table;
        struct mlx4_icm_table   cmpt_table;
};

struct mlx4_eq_table {
        struct mlx4_bitmap      bitmap;
        char                   *irq_names;
        void __iomem           *clr_int;
        void __iomem          **uar_map;
        u32                     clr_mask;
        struct mlx4_eq         *eq;
        struct mlx4_icm_table   table;
        struct mlx4_icm_table   cmpt_table;
        int                     have_irq;
        u8                      inta_pin;
};

struct mlx4_srq_table {
        struct mlx4_bitmap      bitmap;
        spinlock_t              lock;
        struct radix_tree_root  tree;
        struct mlx4_icm_table   table;
        struct mlx4_icm_table   cmpt_table;
};

enum mlx4_qp_table_zones {
        MLX4_QP_TABLE_ZONE_GENERAL,
        MLX4_QP_TABLE_ZONE_RSS,
        MLX4_QP_TABLE_ZONE_RAW_ETH,
        MLX4_QP_TABLE_ZONE_NUM
};

struct mlx4_qp_table {
        struct mlx4_bitmap      *bitmap_gen;
        struct mlx4_zone_allocator *zones;
        u32                     zones_uids[MLX4_QP_TABLE_ZONE_NUM];
        u32                     rdmarc_base;
        int                     rdmarc_shift;
        spinlock_t              lock;
        struct mlx4_icm_table   qp_table;
        struct mlx4_icm_table   auxc_table;
        struct mlx4_icm_table   altc_table;
        struct mlx4_icm_table   rdmarc_table;
        struct mlx4_icm_table   cmpt_table;
};

struct mlx4_mcg_table {
        struct mutex            mutex;
        struct mlx4_bitmap      bitmap;
        struct mlx4_icm_table   table;
};

struct mlx4_catas_err {
        u32 __iomem            *map;
        struct timer_list       timer;
        struct list_head        list;
};

#define MLX4_MAX_MAC_NUM        128
#define MLX4_MAC_TABLE_SIZE     (MLX4_MAX_MAC_NUM << 3)

struct mlx4_mac_table {
        __be64                  entries[MLX4_MAX_MAC_NUM];
        int                     refs[MLX4_MAX_MAC_NUM];
        bool                    is_dup[MLX4_MAX_MAC_NUM];
        struct mutex            mutex;
        int                     total;
        int                     max;
};

#define MLX4_ROCE_GID_ENTRY_SIZE        16

struct mlx4_roce_gid_entry {
        u8 raw[MLX4_ROCE_GID_ENTRY_SIZE];
};

struct mlx4_roce_gid_table {
        struct mlx4_roce_gid_entry      roce_gids[MLX4_ROCE_MAX_GIDS];
        struct mutex                    mutex;
};

#define MLX4_MAX_VLAN_NUM       128
#define MLX4_VLAN_TABLE_SIZE    (MLX4_MAX_VLAN_NUM << 2)

struct mlx4_vlan_table {
        __be32                  entries[MLX4_MAX_VLAN_NUM];
        int                     refs[MLX4_MAX_VLAN_NUM];
        int                     is_dup[MLX4_MAX_VLAN_NUM];
        struct mutex            mutex;
        int                     total;
        int                     max;
};

#define SET_PORT_GEN_ALL_VALID  (MLX4_FLAG_V_MTU_MASK   | \
                                 MLX4_FLAG_V_PPRX_MASK  | \
                                 MLX4_FLAG_V_PPTX_MASK)
#define SET_PORT_PROMISC_SHIFT          31
#define SET_PORT_MC_PROMISC_SHIFT       30

enum {
        MCAST_DIRECT_ONLY       = 0,
        MCAST_DIRECT            = 1,
        MCAST_DEFAULT           = 2
};


struct mlx4_set_port_general_context {
        u16 reserved1;
        u8 flags2;
        u8 flags;
        union {
                u8 ignore_fcs;
                u8 roce_mode;
        };
        u8 reserved2;
        __be16 mtu;
        u8 pptx;
        u8 pfctx;
        u16 reserved3;
        u8 pprx;
        u8 pfcrx;
        u16 reserved4;
        u32 reserved5;
        u8 phv_en;
        u8 reserved6[5];
        __be16 user_mtu;
        u16 reserved7;
        u8 user_mac[6];
};

struct mlx4_set_port_rqp_calc_context {
        __be32 base_qpn;
        u8 rererved;
        u8 n_mac;
        u8 n_vlan;
        u8 n_prio;
        u8 reserved2[3];
        u8 mac_miss;
        u8 intra_no_vlan;
        u8 no_vlan;
        u8 intra_vlan_miss;
        u8 vlan_miss;
        u8 reserved3[3];
        u8 no_vlan_prio;
        __be32 promisc;
        __be32 mcast;
};

struct mlx4_port_info {
        struct mlx4_dev        *dev;
        int                     port;
        char                    dev_name[16];
        struct device_attribute port_attr;
        enum mlx4_port_type     tmp_type;
        char                    dev_mtu_name[16];
        struct device_attribute port_mtu_attr;
        struct mlx4_mac_table   mac_table;
        struct mlx4_vlan_table  vlan_table;
        struct mlx4_roce_gid_table gid_table;
        int                     base_qpn;
        struct cpu_rmap         *rmap;
        struct devlink_port     devlink_port;
};

struct mlx4_sense {
        struct mlx4_dev         *dev;
        u8                      do_sense_port[MLX4_MAX_PORTS + 1];
        u8                      sense_allowed[MLX4_MAX_PORTS + 1];
        struct delayed_work     sense_poll;
};

struct mlx4_msix_ctl {
        DECLARE_BITMAP(pool_bm, MAX_MSIX);
        struct mutex    pool_lock;
};

struct mlx4_steer {
        struct list_head promisc_qps[MLX4_NUM_STEERS];
        struct list_head steer_entries[MLX4_NUM_STEERS];
};

enum {
        MLX4_PCI_DEV_IS_VF              = 1 << 0,
        MLX4_PCI_DEV_FORCE_SENSE_PORT   = 1 << 1,
};

enum {
        MLX4_NO_RR      = 0,
        MLX4_USE_RR     = 1,
};

struct mlx4_priv {
        struct mlx4_dev         dev;

        struct list_head        dev_list;
        struct list_head        ctx_list;
        spinlock_t              ctx_lock;

        int                     pci_dev_data;
        int                     removed;

        struct list_head        pgdir_list;
        struct mutex            pgdir_mutex;

        struct mlx4_fw          fw;
        struct mlx4_cmd         cmd;
        struct mlx4_mfunc       mfunc;

        struct mlx4_bitmap      pd_bitmap;
        struct mlx4_bitmap      xrcd_bitmap;
        struct mlx4_uar_table   uar_table;
        struct mlx4_mr_table    mr_table;
        struct mlx4_cq_table    cq_table;
        struct mlx4_eq_table    eq_table;
        struct mlx4_srq_table   srq_table;
        struct mlx4_qp_table    qp_table;
        struct mlx4_mcg_table   mcg_table;
        struct mlx4_bitmap      counters_bitmap;
        int                     def_counter[MLX4_MAX_PORTS];

        struct mlx4_catas_err   catas_err;

        void __iomem           *clr_base;

        struct mlx4_uar         driver_uar;
        void __iomem           *kar;
        struct mlx4_port_info   port[MLX4_MAX_PORTS + 1];
        struct mlx4_sense       sense;
        struct mutex            port_mutex;
        struct mlx4_msix_ctl    msix_ctl;
        struct mlx4_steer       *steer;
        struct list_head        bf_list;
        struct mutex            bf_mutex;
        struct io_mapping       *bf_mapping;
        void __iomem            *clock_mapping;
        int                     reserved_mtts;
        int                     fs_hash_mode;
        u8 virt2phys_pkey[MLX4_MFUNC_MAX][MLX4_MAX_PORTS][MLX4_MAX_PORT_PKEYS];
        struct mlx4_port_map    v2p; /* cached port mapping configuration */
        struct mutex            bond_mutex; /* for bond mode */
        __be64                  slave_node_guids[MLX4_MFUNC_MAX];

        atomic_t                opreq_count;
        struct work_struct      opreq_task;
};

static inline struct mlx4_priv *mlx4_priv(struct mlx4_dev *dev)
{
        return container_of(dev, struct mlx4_priv, dev);
}

#define MLX4_SENSE_RANGE        (HZ * 3)

extern struct workqueue_struct *mlx4_wq;

u32 mlx4_bitmap_alloc(struct mlx4_bitmap *bitmap);
void mlx4_bitmap_free(struct mlx4_bitmap *bitmap, u32 obj, int use_rr);
u32 mlx4_bitmap_alloc_range(struct mlx4_bitmap *bitmap, int cnt,
                            int align, u32 skip_mask);
void mlx4_bitmap_free_range(struct mlx4_bitmap *bitmap, u32 obj, int cnt,
                            int use_rr);
u32 mlx4_bitmap_avail(struct mlx4_bitmap *bitmap);
int mlx4_bitmap_init(struct mlx4_bitmap *bitmap, u32 num, u32 mask,
                     u32 reserved_bot, u32 resetrved_top);
void mlx4_bitmap_cleanup(struct mlx4_bitmap *bitmap);

int mlx4_reset(struct mlx4_dev *dev);

int mlx4_alloc_eq_table(struct mlx4_dev *dev);
void mlx4_free_eq_table(struct mlx4_dev *dev);

int mlx4_init_pd_table(struct mlx4_dev *dev);
int mlx4_init_xrcd_table(struct mlx4_dev *dev);
int mlx4_init_uar_table(struct mlx4_dev *dev);
int mlx4_init_mr_table(struct mlx4_dev *dev);
int mlx4_init_eq_table(struct mlx4_dev *dev);
int mlx4_init_cq_table(struct mlx4_dev *dev);
int mlx4_init_qp_table(struct mlx4_dev *dev);
int mlx4_init_srq_table(struct mlx4_dev *dev);
int mlx4_init_mcg_table(struct mlx4_dev *dev);

void mlx4_cleanup_pd_table(struct mlx4_dev *dev);
void mlx4_cleanup_xrcd_table(struct mlx4_dev *dev);
void mlx4_cleanup_uar_table(struct mlx4_dev *dev);
void mlx4_cleanup_mr_table(struct mlx4_dev *dev);
void mlx4_cleanup_eq_table(struct mlx4_dev *dev);
void mlx4_cleanup_cq_table(struct mlx4_dev *dev);
void mlx4_cleanup_qp_table(struct mlx4_dev *dev);
void mlx4_cleanup_srq_table(struct mlx4_dev *dev);
void mlx4_cleanup_mcg_table(struct mlx4_dev *dev);
int __mlx4_qp_alloc_icm(struct mlx4_dev *dev, int qpn);
void __mlx4_qp_free_icm(struct mlx4_dev *dev, int qpn);
int __mlx4_cq_alloc_icm(struct mlx4_dev *dev, int *cqn);
void __mlx4_cq_free_icm(struct mlx4_dev *dev, int cqn);
int __mlx4_srq_alloc_icm(struct mlx4_dev *dev, int *srqn);
void __mlx4_srq_free_icm(struct mlx4_dev *dev, int srqn);
int __mlx4_mpt_reserve(struct mlx4_dev *dev);
void __mlx4_mpt_release(struct mlx4_dev *dev, u32 index);
int __mlx4_mpt_alloc_icm(struct mlx4_dev *dev, u32 index);
void __mlx4_mpt_free_icm(struct mlx4_dev *dev, u32 index);
u32 __mlx4_alloc_mtt_range(struct mlx4_dev *dev, int order);
void __mlx4_free_mtt_range(struct mlx4_dev *dev, u32 first_seg, int order);

int mlx4_WRITE_MTT_wrapper(struct mlx4_dev *dev, int slave,
                           struct mlx4_vhcr *vhcr,
                           struct mlx4_cmd_mailbox *inbox,
                           struct mlx4_cmd_mailbox *outbox,
                           struct mlx4_cmd_info *cmd);
int mlx4_SYNC_TPT_wrapper(struct mlx4_dev *dev, int slave,
                           struct mlx4_vhcr *vhcr,
                           struct mlx4_cmd_mailbox *inbox,
                           struct mlx4_cmd_mailbox *outbox,
                           struct mlx4_cmd_info *cmd);
int mlx4_SW2HW_MPT_wrapper(struct mlx4_dev *dev, int slave,
                           struct mlx4_vhcr *vhcr,
                           struct mlx4_cmd_mailbox *inbox,
                           struct mlx4_cmd_mailbox *outbox,

                           struct mlx4_cmd_info *cmd);
int mlx4_HW2SW_MPT_wrapper(struct mlx4_dev *dev, int slave,
                           struct mlx4_vhcr *vhcr,
                           struct mlx4_cmd_mailbox *inbox,
                           struct mlx4_cmd_mailbox *outbox,
                           struct mlx4_cmd_info *cmd);
int mlx4_QUERY_MPT_wrapper(struct mlx4_dev *dev, int slave,
                           struct mlx4_vhcr *vhcr,
                           struct mlx4_cmd_mailbox *inbox,
                           struct mlx4_cmd_mailbox *outbox,
                           struct mlx4_cmd_info *cmd);
int mlx4_SW2HW_EQ_wrapper(struct mlx4_dev *dev, int slave,
                          struct mlx4_vhcr *vhcr,
                          struct mlx4_cmd_mailbox *inbox,
                          struct mlx4_cmd_mailbox *outbox,
                          struct mlx4_cmd_info *cmd);
int mlx4_CONFIG_DEV_wrapper(struct mlx4_dev *dev, int slave,
                            struct mlx4_vhcr *vhcr,
                            struct mlx4_cmd_mailbox *inbox,
                            struct mlx4_cmd_mailbox *outbox,
                            struct mlx4_cmd_info *cmd);
int mlx4_DMA_wrapper(struct mlx4_dev *dev, int slave,
                     struct mlx4_vhcr *vhcr,
                     struct mlx4_cmd_mailbox *inbox,
                     struct mlx4_cmd_mailbox *outbox,
                     struct mlx4_cmd_info *cmd);
int __mlx4_qp_reserve_range(struct mlx4_dev *dev, int cnt, int align,
                            int *base, u8 flags);
void __mlx4_qp_release_range(struct mlx4_dev *dev, int base_qpn, int cnt);
int __mlx4_register_mac(struct mlx4_dev *dev, u8 port, u64 mac);
void __mlx4_unregister_mac(struct mlx4_dev *dev, u8 port, u64 mac);
int __mlx4_write_mtt(struct mlx4_dev *dev, struct mlx4_mtt *mtt,
                     int start_index, int npages, u64 *page_list);
int __mlx4_counter_alloc(struct mlx4_dev *dev, u32 *idx);
void __mlx4_counter_free(struct mlx4_dev *dev, u32 idx);
int mlx4_calc_vf_counters(struct mlx4_dev *dev, int slave, int port,
                          struct mlx4_counter *data);
int __mlx4_xrcd_alloc(struct mlx4_dev *dev, u32 *xrcdn);
void __mlx4_xrcd_free(struct mlx4_dev *dev, u32 xrcdn);

void mlx4_start_catas_poll(struct mlx4_dev *dev);
void mlx4_stop_catas_poll(struct mlx4_dev *dev);
int mlx4_catas_init(struct mlx4_dev *dev);
void mlx4_catas_end(struct mlx4_dev *dev);
int mlx4_crdump_init(struct mlx4_dev *dev);
void mlx4_crdump_end(struct mlx4_dev *dev);
int mlx4_restart_one(struct pci_dev *pdev);
int mlx4_register_device(struct mlx4_dev *dev);
void mlx4_unregister_device(struct mlx4_dev *dev);
void mlx4_dispatch_event(struct mlx4_dev *dev, enum mlx4_dev_event type,
                         unsigned long param);

struct mlx4_dev_cap;
struct mlx4_init_hca_param;

u64 mlx4_make_profile(struct mlx4_dev *dev,
                      struct mlx4_profile *request,
                      struct mlx4_dev_cap *dev_cap,
                      struct mlx4_init_hca_param *init_hca);
void mlx4_master_comm_channel(struct work_struct *work);
void mlx4_gen_slave_eqe(struct work_struct *work);
void mlx4_master_handle_slave_flr(struct work_struct *work);

int mlx4_ALLOC_RES_wrapper(struct mlx4_dev *dev, int slave,
                           struct mlx4_vhcr *vhcr,
                           struct mlx4_cmd_mailbox *inbox,
                           struct mlx4_cmd_mailbox *outbox,
                           struct mlx4_cmd_info *cmd);
int mlx4_FREE_RES_wrapper(struct mlx4_dev *dev, int slave,
                          struct mlx4_vhcr *vhcr,
                          struct mlx4_cmd_mailbox *inbox,
                          struct mlx4_cmd_mailbox *outbox,
                          struct mlx4_cmd_info *cmd);
int mlx4_MAP_EQ_wrapper(struct mlx4_dev *dev, int slave,
                        struct mlx4_vhcr *vhcr, struct mlx4_cmd_mailbox *inbox,
                        struct mlx4_cmd_mailbox *outbox,
                        struct mlx4_cmd_info *cmd);
int mlx4_COMM_INT_wrapper(struct mlx4_dev *dev, int slave,
                          struct mlx4_vhcr *vhcr,
                          struct mlx4_cmd_mailbox *inbox,
                          struct mlx4_cmd_mailbox *outbox,
                          struct mlx4_cmd_info *cmd);
int mlx4_HW2SW_EQ_wrapper(struct mlx4_dev *dev, int slave,
                            struct mlx4_vhcr *vhcr,
                            struct mlx4_cmd_mailbox *inbox,
                            struct mlx4_cmd_mailbox *outbox,
                          struct mlx4_cmd_info *cmd);
int mlx4_QUERY_EQ_wrapper(struct mlx4_dev *dev, int slave,
                          struct mlx4_vhcr *vhcr,
                          struct mlx4_cmd_mailbox *inbox,
                          struct mlx4_cmd_mailbox *outbox,
                          struct mlx4_cmd_info *cmd);
int mlx4_SW2HW_CQ_wrapper(struct mlx4_dev *dev, int slave,
                          struct mlx4_vhcr *vhcr,
                          struct mlx4_cmd_mailbox *inbox,
                          struct mlx4_cmd_mailbox *outbox,
                          struct mlx4_cmd_info *cmd);
int mlx4_HW2SW_CQ_wrapper(struct mlx4_dev *dev, int slave,
                          struct mlx4_vhcr *vhcr,
                          struct mlx4_cmd_mailbox *inbox,
                          struct mlx4_cmd_mailbox *outbox,
                          struct mlx4_cmd_info *cmd);
int mlx4_QUERY_CQ_wrapper(struct mlx4_dev *dev, int slave,
                          struct mlx4_vhcr *vhcr,
                          struct mlx4_cmd_mailbox *inbox,
                          struct mlx4_cmd_mailbox *outbox,
                          struct mlx4_cmd_info *cmd);
int mlx4_MODIFY_CQ_wrapper(struct mlx4_dev *dev, int slave,
                          struct mlx4_vhcr *vhcr,
                          struct mlx4_cmd_mailbox *inbox,
                          struct mlx4_cmd_mailbox *outbox,
                           struct mlx4_cmd_info *cmd);
int mlx4_SW2HW_SRQ_wrapper(struct mlx4_dev *dev, int slave,
                           struct mlx4_vhcr *vhcr,
                           struct mlx4_cmd_mailbox *inbox,
                           struct mlx4_cmd_mailbox *outbox,
                           struct mlx4_cmd_info *cmd);
int mlx4_HW2SW_SRQ_wrapper(struct mlx4_dev *dev, int slave,
                           struct mlx4_vhcr *vhcr,
                           struct mlx4_cmd_mailbox *inbox,
                           struct mlx4_cmd_mailbox *outbox,
                           struct mlx4_cmd_info *cmd);
int mlx4_QUERY_SRQ_wrapper(struct mlx4_dev *dev, int slave,
                           struct mlx4_vhcr *vhcr,
                           struct mlx4_cmd_mailbox *inbox,
                           struct mlx4_cmd_mailbox *outbox,
                           struct mlx4_cmd_info *cmd);
int mlx4_ARM_SRQ_wrapper(struct mlx4_dev *dev, int slave,
                         struct mlx4_vhcr *vhcr,
                         struct mlx4_cmd_mailbox *inbox,
                         struct mlx4_cmd_mailbox *outbox,
                         struct mlx4_cmd_info *cmd);
int mlx4_GEN_QP_wrapper(struct mlx4_dev *dev, int slave,
                        struct mlx4_vhcr *vhcr,
                        struct mlx4_cmd_mailbox *inbox,
                        struct mlx4_cmd_mailbox *outbox,
                        struct mlx4_cmd_info *cmd);
int mlx4_RST2INIT_QP_wrapper(struct mlx4_dev *dev, int slave,
                             struct mlx4_vhcr *vhcr,
                             struct mlx4_cmd_mailbox *inbox,
                             struct mlx4_cmd_mailbox *outbox,
                             struct mlx4_cmd_info *cmd);
int mlx4_INIT2INIT_QP_wrapper(struct mlx4_dev *dev, int slave,
                              struct mlx4_vhcr *vhcr,
                              struct mlx4_cmd_mailbox *inbox,
                              struct mlx4_cmd_mailbox *outbox,
                              struct mlx4_cmd_info *cmd);
int mlx4_INIT2RTR_QP_wrapper(struct mlx4_dev *dev, int slave,
                             struct mlx4_vhcr *vhcr,
                             struct mlx4_cmd_mailbox *inbox,
                             struct mlx4_cmd_mailbox *outbox,
                             struct mlx4_cmd_info *cmd);
int mlx4_RTR2RTS_QP_wrapper(struct mlx4_dev *dev, int slave,
                            struct mlx4_vhcr *vhcr,
                            struct mlx4_cmd_mailbox *inbox,
                            struct mlx4_cmd_mailbox *outbox,
                            struct mlx4_cmd_info *cmd);
int mlx4_RTS2RTS_QP_wrapper(struct mlx4_dev *dev, int slave,
                            struct mlx4_vhcr *vhcr,
                            struct mlx4_cmd_mailbox *inbox,
                            struct mlx4_cmd_mailbox *outbox,
                            struct mlx4_cmd_info *cmd);
int mlx4_SQERR2RTS_QP_wrapper(struct mlx4_dev *dev, int slave,
                              struct mlx4_vhcr *vhcr,
                              struct mlx4_cmd_mailbox *inbox,
                              struct mlx4_cmd_mailbox *outbox,
                              struct mlx4_cmd_info *cmd);
int mlx4_2ERR_QP_wrapper(struct mlx4_dev *dev, int slave,
                         struct mlx4_vhcr *vhcr,
                         struct mlx4_cmd_mailbox *inbox,
                         struct mlx4_cmd_mailbox *outbox,
                         struct mlx4_cmd_info *cmd);
int mlx4_RTS2SQD_QP_wrapper(struct mlx4_dev *dev, int slave,
                            struct mlx4_vhcr *vhcr,
                            struct mlx4_cmd_mailbox *inbox,
                            struct mlx4_cmd_mailbox *outbox,
                            struct mlx4_cmd_info *cmd);
int mlx4_SQD2SQD_QP_wrapper(struct mlx4_dev *dev, int slave,
                            struct mlx4_vhcr *vhcr,
                            struct mlx4_cmd_mailbox *inbox,
                            struct mlx4_cmd_mailbox *outbox,
                            struct mlx4_cmd_info *cmd);
int mlx4_SQD2RTS_QP_wrapper(struct mlx4_dev *dev, int slave,
                            struct mlx4_vhcr *vhcr,
                            struct mlx4_cmd_mailbox *inbox,
                            struct mlx4_cmd_mailbox *outbox,
                            struct mlx4_cmd_info *cmd);
int mlx4_2RST_QP_wrapper(struct mlx4_dev *dev, int slave,
                         struct mlx4_vhcr *vhcr,
                         struct mlx4_cmd_mailbox *inbox,
                         struct mlx4_cmd_mailbox *outbox,
                         struct mlx4_cmd_info *cmd);
int mlx4_QUERY_QP_wrapper(struct mlx4_dev *dev, int slave,
                          struct mlx4_vhcr *vhcr,
                          struct mlx4_cmd_mailbox *inbox,
                          struct mlx4_cmd_mailbox *outbox,
                          struct mlx4_cmd_info *cmd);

int mlx4_GEN_EQE(struct mlx4_dev *dev, int slave, struct mlx4_eqe *eqe);

enum {
        MLX4_CMD_CLEANUP_STRUCT = 1UL << 0,
        MLX4_CMD_CLEANUP_POOL   = 1UL << 1,
        MLX4_CMD_CLEANUP_HCR    = 1UL << 2,
        MLX4_CMD_CLEANUP_VHCR   = 1UL << 3,
        MLX4_CMD_CLEANUP_ALL    = (MLX4_CMD_CLEANUP_VHCR << 1) - 1
};

int mlx4_cmd_init(struct mlx4_dev *dev);
void mlx4_cmd_cleanup(struct mlx4_dev *dev, int cleanup_mask);
int mlx4_multi_func_init(struct mlx4_dev *dev);
int mlx4_ARM_COMM_CHANNEL(struct mlx4_dev *dev);
void mlx4_multi_func_cleanup(struct mlx4_dev *dev);
void mlx4_cmd_event(struct mlx4_dev *dev, u16 token, u8 status, u64 out_param);
int mlx4_cmd_use_events(struct mlx4_dev *dev);
void mlx4_cmd_use_polling(struct mlx4_dev *dev);

int mlx4_comm_cmd(struct mlx4_dev *dev, u8 cmd, u16 param,
                  u16 op, unsigned long timeout);

void mlx4_cq_tasklet_cb(struct tasklet_struct *t);
void mlx4_cq_completion(struct mlx4_dev *dev, u32 cqn);
void mlx4_cq_event(struct mlx4_dev *dev, u32 cqn, int event_type);

void mlx4_qp_event(struct mlx4_dev *dev, u32 qpn, int event_type);

void mlx4_srq_event(struct mlx4_dev *dev, u32 srqn, int event_type);

void mlx4_enter_error_state(struct mlx4_dev_persistent *persist);
int mlx4_comm_internal_err(u32 slave_read);

int mlx4_crdump_collect(struct mlx4_dev *dev);

int mlx4_SENSE_PORT(struct mlx4_dev *dev, int port,
                    enum mlx4_port_type *type);
void mlx4_do_sense_ports(struct mlx4_dev *dev,
                         enum mlx4_port_type *stype,
                         enum mlx4_port_type *defaults);
void mlx4_start_sense(struct mlx4_dev *dev);
void mlx4_stop_sense(struct mlx4_dev *dev);
void mlx4_sense_init(struct mlx4_dev *dev);
int mlx4_check_port_params(struct mlx4_dev *dev,
                           enum mlx4_port_type *port_type);
int mlx4_change_port_types(struct mlx4_dev *dev,
                           enum mlx4_port_type *port_types);

void mlx4_init_mac_table(struct mlx4_dev *dev, struct mlx4_mac_table *table);
void mlx4_init_vlan_table(struct mlx4_dev *dev, struct mlx4_vlan_table *table);
void mlx4_init_roce_gid_table(struct mlx4_dev *dev,
                              struct mlx4_roce_gid_table *table);
void __mlx4_unregister_vlan(struct mlx4_dev *dev, u8 port, u16 vlan);
int __mlx4_register_vlan(struct mlx4_dev *dev, u8 port, u16 vlan, int *index);
int mlx4_bond_vlan_table(struct mlx4_dev *dev);
int mlx4_unbond_vlan_table(struct mlx4_dev *dev);
int mlx4_bond_mac_table(struct mlx4_dev *dev);
int mlx4_unbond_mac_table(struct mlx4_dev *dev);

int mlx4_SET_PORT(struct mlx4_dev *dev, u8 port, int pkey_tbl_sz);
/* resource tracker functions*/
int mlx4_get_slave_from_resource_id(struct mlx4_dev *dev,
                                    enum mlx4_resource resource_type,
                                    u64 resource_id, int *slave);
void mlx4_delete_all_resources_for_slave(struct mlx4_dev *dev, int slave_id);
void mlx4_reset_roce_gids(struct mlx4_dev *dev, int slave);
int mlx4_init_resource_tracker(struct mlx4_dev *dev);

void mlx4_free_resource_tracker(struct mlx4_dev *dev,
                                enum mlx4_res_tracker_free_type type);

int mlx4_QUERY_FW_wrapper(struct mlx4_dev *dev, int slave,
                          struct mlx4_vhcr *vhcr,
                          struct mlx4_cmd_mailbox *inbox,
                          struct mlx4_cmd_mailbox *outbox,
                          struct mlx4_cmd_info *cmd);
int mlx4_SET_PORT_wrapper(struct mlx4_dev *dev, int slave,
                          struct mlx4_vhcr *vhcr,
                          struct mlx4_cmd_mailbox *inbox,
                          struct mlx4_cmd_mailbox *outbox,
                          struct mlx4_cmd_info *cmd);
int mlx4_INIT_PORT_wrapper(struct mlx4_dev *dev, int slave,
                           struct mlx4_vhcr *vhcr,
                           struct mlx4_cmd_mailbox *inbox,
                           struct mlx4_cmd_mailbox *outbox,
                           struct mlx4_cmd_info *cmd);
int mlx4_CLOSE_PORT_wrapper(struct mlx4_dev *dev, int slave,
                            struct mlx4_vhcr *vhcr,
                            struct mlx4_cmd_mailbox *inbox,
                            struct mlx4_cmd_mailbox *outbox,
                            struct mlx4_cmd_info *cmd);
int mlx4_QUERY_DEV_CAP_wrapper(struct mlx4_dev *dev, int slave,
                               struct mlx4_vhcr *vhcr,
                               struct mlx4_cmd_mailbox *inbox,
                               struct mlx4_cmd_mailbox *outbox,
                               struct mlx4_cmd_info *cmd);
int mlx4_QUERY_PORT_wrapper(struct mlx4_dev *dev, int slave,
                            struct mlx4_vhcr *vhcr,
                            struct mlx4_cmd_mailbox *inbox,
                            struct mlx4_cmd_mailbox *outbox,
                            struct mlx4_cmd_info *cmd);
int mlx4_get_port_ib_caps(struct mlx4_dev *dev, u8 port, __be32 *caps);

int mlx4_get_slave_pkey_gid_tbl_len(struct mlx4_dev *dev, u8 port,
                                    int *gid_tbl_len, int *pkey_tbl_len);

int mlx4_QP_ATTACH_wrapper(struct mlx4_dev *dev, int slave,
                           struct mlx4_vhcr *vhcr,
                           struct mlx4_cmd_mailbox *inbox,
                           struct mlx4_cmd_mailbox *outbox,
                           struct mlx4_cmd_info *cmd);

int mlx4_UPDATE_QP_wrapper(struct mlx4_dev *dev, int slave,
                           struct mlx4_vhcr *vhcr,
                           struct mlx4_cmd_mailbox *inbox,
                           struct mlx4_cmd_mailbox *outbox,
                           struct mlx4_cmd_info *cmd);

int mlx4_PROMISC_wrapper(struct mlx4_dev *dev, int slave,
                         struct mlx4_vhcr *vhcr,
                         struct mlx4_cmd_mailbox *inbox,
                         struct mlx4_cmd_mailbox *outbox,
                         struct mlx4_cmd_info *cmd);
int mlx4_qp_detach_common(struct mlx4_dev *dev, struct mlx4_qp *qp, u8 gid[16],
                          enum mlx4_protocol prot, enum mlx4_steer_type steer);
int mlx4_qp_attach_common(struct mlx4_dev *dev, struct mlx4_qp *qp, u8 gid[16],
                          int block_mcast_loopback, enum mlx4_protocol prot,
                          enum mlx4_steer_type steer);
int mlx4_trans_to_dmfs_attach(struct mlx4_dev *dev, struct mlx4_qp *qp,
                              u8 gid[16], u8 port,
                              int block_mcast_loopback,
                              enum mlx4_protocol prot, u64 *reg_id);
int mlx4_SET_MCAST_FLTR_wrapper(struct mlx4_dev *dev, int slave,
                                struct mlx4_vhcr *vhcr,
                                struct mlx4_cmd_mailbox *inbox,
                                struct mlx4_cmd_mailbox *outbox,
                                struct mlx4_cmd_info *cmd);
int mlx4_SET_VLAN_FLTR_wrapper(struct mlx4_dev *dev, int slave,
                               struct mlx4_vhcr *vhcr,
                               struct mlx4_cmd_mailbox *inbox,
                               struct mlx4_cmd_mailbox *outbox,
                               struct mlx4_cmd_info *cmd);
int mlx4_common_set_vlan_fltr(struct mlx4_dev *dev, int function,
                                     int port, void *buf);
int mlx4_DUMP_ETH_STATS_wrapper(struct mlx4_dev *dev, int slave,
                                   struct mlx4_vhcr *vhcr,
                                   struct mlx4_cmd_mailbox *inbox,
                                   struct mlx4_cmd_mailbox *outbox,
                                struct mlx4_cmd_info *cmd);
int mlx4_PKEY_TABLE_wrapper(struct mlx4_dev *dev, int slave,
                            struct mlx4_vhcr *vhcr,
                            struct mlx4_cmd_mailbox *inbox,
                            struct mlx4_cmd_mailbox *outbox,
                            struct mlx4_cmd_info *cmd);
int mlx4_QUERY_IF_STAT_wrapper(struct mlx4_dev *dev, int slave,
                               struct mlx4_vhcr *vhcr,
                               struct mlx4_cmd_mailbox *inbox,
                               struct mlx4_cmd_mailbox *outbox,
                               struct mlx4_cmd_info *cmd);
int mlx4_QP_FLOW_STEERING_ATTACH_wrapper(struct mlx4_dev *dev, int slave,
                                         struct mlx4_vhcr *vhcr,
                                         struct mlx4_cmd_mailbox *inbox,
                                         struct mlx4_cmd_mailbox *outbox,
                                         struct mlx4_cmd_info *cmd);
int mlx4_QP_FLOW_STEERING_DETACH_wrapper(struct mlx4_dev *dev, int slave,
                                         struct mlx4_vhcr *vhcr,
                                         struct mlx4_cmd_mailbox *inbox,
                                         struct mlx4_cmd_mailbox *outbox,
                                         struct mlx4_cmd_info *cmd);
int mlx4_ACCESS_REG_wrapper(struct mlx4_dev *dev, int slave,
                            struct mlx4_vhcr *vhcr,
                            struct mlx4_cmd_mailbox *inbox,
                            struct mlx4_cmd_mailbox *outbox,
                            struct mlx4_cmd_info *cmd);

int mlx4_get_mgm_entry_size(struct mlx4_dev *dev);
int mlx4_get_qp_per_mgm(struct mlx4_dev *dev);

static inline void set_param_l(u64 *arg, u32 val)
{
        *arg = (*arg & 0xffffffff00000000ULL) | (u64) val;
}

static inline void set_param_h(u64 *arg, u32 val)
{
        *arg = (*arg & 0xffffffff) | ((u64) val << 32);
}

static inline u32 get_param_l(u64 *arg)
{
        return (u32) (*arg & 0xffffffff);
}

static inline u32 get_param_h(u64 *arg)
{
        return (u32)(*arg >> 32);
}

static inline spinlock_t *mlx4_tlock(struct mlx4_dev *dev)
{
        return &mlx4_priv(dev)->mfunc.master.res_tracker.lock;
}

#define NOT_MASKED_PD_BITS 17

void mlx4_vf_immed_vlan_work_handler(struct work_struct *_work);

void mlx4_init_quotas(struct mlx4_dev *dev);

/* for VFs, replace zero MACs with randomly-generated MACs at driver start */
void mlx4_replace_zero_macs(struct mlx4_dev *dev);
int mlx4_get_slave_num_gids(struct mlx4_dev *dev, int slave, int port);
/* Returns the VF index of slave */
int mlx4_get_vf_indx(struct mlx4_dev *dev, int slave);
int mlx4_config_mad_demux(struct mlx4_dev *dev);
int mlx4_do_bond(struct mlx4_dev *dev, bool enable);
int mlx4_bond_fs_rules(struct mlx4_dev *dev);
int mlx4_unbond_fs_rules(struct mlx4_dev *dev);

enum mlx4_zone_flags {
        MLX4_ZONE_ALLOW_ALLOC_FROM_LOWER_PRIO   = 1UL << 0,
        MLX4_ZONE_ALLOW_ALLOC_FROM_EQ_PRIO      = 1UL << 1,
        MLX4_ZONE_FALLBACK_TO_HIGHER_PRIO       = 1UL << 2,
        MLX4_ZONE_USE_RR                        = 1UL << 3,
};

enum mlx4_zone_alloc_flags {
        /* No two objects could overlap between zones. UID
         * could be left unused. If this flag is given and
         * two overlapped zones are used, an object will be free'd
         * from the smallest possible matching zone.
         */
        MLX4_ZONE_ALLOC_FLAGS_NO_OVERLAP        = 1UL << 0,
};

struct mlx4_zone_allocator;

/* Create a new zone allocator */
struct mlx4_zone_allocator *mlx4_zone_allocator_create(enum mlx4_zone_alloc_flags flags);

/* Attach a mlx4_bitmap <bitmap> of priority <priority> to the zone allocator
 * <zone_alloc>. Allocating an object from this zone adds an offset <offset>.
 * Similarly, when searching for an object to free, this offset it taken into
 * account. The use_rr mlx4_ib parameter for allocating objects from this <bitmap>
 * is given through the MLX4_ZONE_USE_RR flag in <flags>.
 * When an allocation fails, <zone_alloc> tries to allocate from other zones
 * according to the policy set by <flags>. <puid> is the unique identifier
 * received to this zone.
 */
int mlx4_zone_add_one(struct mlx4_zone_allocator *zone_alloc,
                      struct mlx4_bitmap *bitmap,
                      u32 flags,
                      int priority,
                      int offset,
                      u32 *puid);

/* Remove bitmap indicated by <uid> from <zone_alloc> */
int mlx4_zone_remove_one(struct mlx4_zone_allocator *zone_alloc, u32 uid);

/* Delete the zone allocator <zone_alloc. This function doesn't destroy
 * the attached bitmaps.
 */
void mlx4_zone_allocator_destroy(struct mlx4_zone_allocator *zone_alloc);

/* Allocate <count> objects with align <align> and skip_mask <skip_mask>
 * from the mlx4_bitmap whose uid is <uid>. The bitmap which we actually
 * allocated from is returned in <puid>. If the allocation fails, a negative
 * number is returned. Otherwise, the offset of the first object is returned.
 */
u32 mlx4_zone_alloc_entries(struct mlx4_zone_allocator *zones, u32 uid, int count,
                            int align, u32 skip_mask, u32 *puid);

/* Free <count> objects, start from <obj> of the uid <uid> from zone_allocator
 * <zones>.
 */
u32 mlx4_zone_free_entries(struct mlx4_zone_allocator *zones,
                           u32 uid, u32 obj, u32 count);

/* If <zones> was allocated with MLX4_ZONE_ALLOC_FLAGS_NO_OVERLAP, instead of
 * specifying the uid when freeing an object, zone allocator could figure it by
 * itself. Other parameters are similar to mlx4_zone_free.
 */
u32 mlx4_zone_free_entries_unique(struct mlx4_zone_allocator *zones, u32 obj, u32 count);

/* Returns a pointer to mlx4_bitmap that was attached to <zones> with <uid> */
struct mlx4_bitmap *mlx4_zone_get_bitmap(struct mlx4_zone_allocator *zones, u32 uid);

#endif /* MLX4_H */