root/include/linux/mlx4/device.h

INCLUDED FROM

DEFINITIONS

1. mlx4_steering_mode_str
2. mlx4_fw_ver
3. mlx4_master_func_num
4. mlx4_is_master
5. mlx4_num_reserved_sqps
6. mlx4_is_qp_reserved
7. mlx4_is_guest_proxy
8. mlx4_is_mfunc
9. mlx4_is_slave
10. mlx4_buf_offset
11. map_hw_to_sw_id
12. mlx4_low_memory_profile

/*
 * Copyright (c) 2006, 2007 Cisco Systems, 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_DEVICE_H
#define MLX4_DEVICE_H

#include <linux/if_ether.h>
#include <linux/pci.h>
#include <linux/completion.h>
#include <linux/radix-tree.h>
#include <linux/cpu_rmap.h>
#include <linux/crash_dump.h>

#include <linux/atomic.h>

#include <linux/clocksource.h>

#define MAX_MSIX_P_PORT         17
#define MAX_MSIX                64
#define MSIX_LEGACY_SZ          4
#define MIN_MSIX_P_PORT         5

#define MLX4_NUM_UP                     8
#define MLX4_NUM_TC                     8
#define MLX4_MAX_100M_UNITS_VAL         255     /*
                                                 * work around: can't set values
                                                 * greater then this value when
                                                 * using 100 Mbps units.
                                                 */
#define MLX4_RATELIMIT_100M_UNITS       3       /* 100 Mbps */
#define MLX4_RATELIMIT_1G_UNITS         4       /* 1 Gbps */
#define MLX4_RATELIMIT_DEFAULT          0x00ff

#define MLX4_ROCE_MAX_GIDS      128
#define MLX4_ROCE_PF_GIDS       16

enum {
        MLX4_FLAG_MSI_X         = 1 << 0,
        MLX4_FLAG_OLD_PORT_CMDS = 1 << 1,
        MLX4_FLAG_MASTER        = 1 << 2,
        MLX4_FLAG_SLAVE         = 1 << 3,
        MLX4_FLAG_SRIOV         = 1 << 4,
        MLX4_FLAG_OLD_REG_MAC   = 1 << 6,
};

enum {
        MLX4_PORT_CAP_IS_SM     = 1 << 1,
        MLX4_PORT_CAP_DEV_MGMT_SUP = 1 << 19,
};

enum {
        MLX4_MAX_PORTS          = 2,
        MLX4_MAX_PORT_PKEYS     = 128
};

/* base qkey for use in sriov tunnel-qp/proxy-qp communication.
 * These qkeys must not be allowed for general use. This is a 64k range,
 * and to test for violation, we use the mask (protect against future chg).
 */
#define MLX4_RESERVED_QKEY_BASE  (0xFFFF0000)
#define MLX4_RESERVED_QKEY_MASK  (0xFFFF0000)

enum {
        MLX4_BOARD_ID_LEN = 64
};

enum {
        MLX4_MAX_NUM_PF         = 16,
        MLX4_MAX_NUM_VF         = 64,
        MLX4_MAX_NUM_VF_P_PORT  = 64,
        MLX4_MFUNC_MAX          = 80,
        MLX4_MAX_EQ_NUM         = 1024,
        MLX4_MFUNC_EQ_NUM       = 4,
        MLX4_MFUNC_MAX_EQES     = 8,
        MLX4_MFUNC_EQE_MASK     = (MLX4_MFUNC_MAX_EQES - 1)
};

/* Driver supports 3 diffrent device methods to manage traffic steering:
 *      -device managed - High level API for ib and eth flow steering. FW is
 *                        managing flow steering tables.
 *      - B0 steering mode - Common low level API for ib and (if supported) eth.
 *      - A0 steering mode - Limited low level API for eth. In case of IB,
 *                           B0 mode is in use.
 */
enum {
        MLX4_STEERING_MODE_A0,
        MLX4_STEERING_MODE_B0,
        MLX4_STEERING_MODE_DEVICE_MANAGED
};

static inline const char *mlx4_steering_mode_str(int steering_mode)
{
        switch (steering_mode) {
        case MLX4_STEERING_MODE_A0:
                return "A0 steering";

        case MLX4_STEERING_MODE_B0:
                return "B0 steering";

        case MLX4_STEERING_MODE_DEVICE_MANAGED:
                return "Device managed flow steering";

        default:
                return "Unrecognize steering mode";
        }
}

enum {
        MLX4_TUNNEL_OFFLOAD_MODE_NONE,
        MLX4_TUNNEL_OFFLOAD_MODE_VXLAN
};

enum {
        MLX4_DEV_CAP_FLAG_RC            = 1LL <<  0,
        MLX4_DEV_CAP_FLAG_UC            = 1LL <<  1,
        MLX4_DEV_CAP_FLAG_UD            = 1LL <<  2,
        MLX4_DEV_CAP_FLAG_XRC           = 1LL <<  3,
        MLX4_DEV_CAP_FLAG_SRQ           = 1LL <<  6,
        MLX4_DEV_CAP_FLAG_IPOIB_CSUM    = 1LL <<  7,
        MLX4_DEV_CAP_FLAG_BAD_PKEY_CNTR = 1LL <<  8,
        MLX4_DEV_CAP_FLAG_BAD_QKEY_CNTR = 1LL <<  9,
        MLX4_DEV_CAP_FLAG_DPDP          = 1LL << 12,
        MLX4_DEV_CAP_FLAG_BLH           = 1LL << 15,
        MLX4_DEV_CAP_FLAG_MEM_WINDOW    = 1LL << 16,
        MLX4_DEV_CAP_FLAG_APM           = 1LL << 17,
        MLX4_DEV_CAP_FLAG_ATOMIC        = 1LL << 18,
        MLX4_DEV_CAP_FLAG_RAW_MCAST     = 1LL << 19,
        MLX4_DEV_CAP_FLAG_UD_AV_PORT    = 1LL << 20,
        MLX4_DEV_CAP_FLAG_UD_MCAST      = 1LL << 21,
        MLX4_DEV_CAP_FLAG_IBOE          = 1LL << 30,
        MLX4_DEV_CAP_FLAG_UC_LOOPBACK   = 1LL << 32,
        MLX4_DEV_CAP_FLAG_FCS_KEEP      = 1LL << 34,
        MLX4_DEV_CAP_FLAG_WOL_PORT1     = 1LL << 37,
        MLX4_DEV_CAP_FLAG_WOL_PORT2     = 1LL << 38,
        MLX4_DEV_CAP_FLAG_UDP_RSS       = 1LL << 40,
        MLX4_DEV_CAP_FLAG_VEP_UC_STEER  = 1LL << 41,
        MLX4_DEV_CAP_FLAG_VEP_MC_STEER  = 1LL << 42,
        MLX4_DEV_CAP_FLAG_COUNTERS      = 1LL << 48,
        MLX4_DEV_CAP_FLAG_SET_ETH_SCHED = 1LL << 53,
        MLX4_DEV_CAP_FLAG_SENSE_SUPPORT = 1LL << 55,
        MLX4_DEV_CAP_FLAG_PORT_MNG_CHG_EV = 1LL << 59,
        MLX4_DEV_CAP_FLAG_64B_EQE       = 1LL << 61,
        MLX4_DEV_CAP_FLAG_64B_CQE       = 1LL << 62
};

enum {
        MLX4_DEV_CAP_FLAG2_RSS                  = 1LL <<  0,
        MLX4_DEV_CAP_FLAG2_RSS_TOP              = 1LL <<  1,
        MLX4_DEV_CAP_FLAG2_RSS_XOR              = 1LL <<  2,
        MLX4_DEV_CAP_FLAG2_FS_EN                = 1LL <<  3,
        MLX4_DEV_CAP_FLAG2_REASSIGN_MAC_EN      = 1LL <<  4,
        MLX4_DEV_CAP_FLAG2_TS                   = 1LL <<  5,
        MLX4_DEV_CAP_FLAG2_VLAN_CONTROL         = 1LL <<  6,
        MLX4_DEV_CAP_FLAG2_FSM                  = 1LL <<  7,
        MLX4_DEV_CAP_FLAG2_UPDATE_QP            = 1LL <<  8,
        MLX4_DEV_CAP_FLAG2_DMFS_IPOIB           = 1LL <<  9,
        MLX4_DEV_CAP_FLAG2_VXLAN_OFFLOADS       = 1LL <<  10,
        MLX4_DEV_CAP_FLAG2_MAD_DEMUX            = 1LL <<  11,
        MLX4_DEV_CAP_FLAG2_CQE_STRIDE           = 1LL <<  12,
        MLX4_DEV_CAP_FLAG2_EQE_STRIDE           = 1LL <<  13
};

enum {
        MLX4_DEV_CAP_64B_EQE_ENABLED    = 1LL << 0,
        MLX4_DEV_CAP_64B_CQE_ENABLED    = 1LL << 1,
        MLX4_DEV_CAP_CQE_STRIDE_ENABLED = 1LL << 2,
        MLX4_DEV_CAP_EQE_STRIDE_ENABLED = 1LL << 3
};

enum {
        MLX4_USER_DEV_CAP_LARGE_CQE     = 1L << 0
};

enum {
        MLX4_FUNC_CAP_64B_EQE_CQE       = 1L << 0,
        MLX4_FUNC_CAP_EQE_CQE_STRIDE    = 1L << 1
};


#define MLX4_ATTR_EXTENDED_PORT_INFO    cpu_to_be16(0xff90)

enum {
        MLX4_BMME_FLAG_WIN_TYPE_2B      = 1 <<  1,
        MLX4_BMME_FLAG_LOCAL_INV        = 1 <<  6,
        MLX4_BMME_FLAG_REMOTE_INV       = 1 <<  7,
        MLX4_BMME_FLAG_TYPE_2_WIN       = 1 <<  9,
        MLX4_BMME_FLAG_RESERVED_LKEY    = 1 << 10,
        MLX4_BMME_FLAG_FAST_REG_WR      = 1 << 11,
        MLX4_BMME_FLAG_VSD_INIT2RTR     = 1 << 28,
};

enum mlx4_event {
        MLX4_EVENT_TYPE_COMP               = 0x00,
        MLX4_EVENT_TYPE_PATH_MIG           = 0x01,
        MLX4_EVENT_TYPE_COMM_EST           = 0x02,
        MLX4_EVENT_TYPE_SQ_DRAINED         = 0x03,
        MLX4_EVENT_TYPE_SRQ_QP_LAST_WQE    = 0x13,
        MLX4_EVENT_TYPE_SRQ_LIMIT          = 0x14,
        MLX4_EVENT_TYPE_CQ_ERROR           = 0x04,
        MLX4_EVENT_TYPE_WQ_CATAS_ERROR     = 0x05,
        MLX4_EVENT_TYPE_EEC_CATAS_ERROR    = 0x06,
        MLX4_EVENT_TYPE_PATH_MIG_FAILED    = 0x07,
        MLX4_EVENT_TYPE_WQ_INVAL_REQ_ERROR = 0x10,
        MLX4_EVENT_TYPE_WQ_ACCESS_ERROR    = 0x11,
        MLX4_EVENT_TYPE_SRQ_CATAS_ERROR    = 0x12,
        MLX4_EVENT_TYPE_LOCAL_CATAS_ERROR  = 0x08,
        MLX4_EVENT_TYPE_PORT_CHANGE        = 0x09,
        MLX4_EVENT_TYPE_EQ_OVERFLOW        = 0x0f,
        MLX4_EVENT_TYPE_ECC_DETECT         = 0x0e,
        MLX4_EVENT_TYPE_CMD                = 0x0a,
        MLX4_EVENT_TYPE_VEP_UPDATE         = 0x19,
        MLX4_EVENT_TYPE_COMM_CHANNEL       = 0x18,
        MLX4_EVENT_TYPE_OP_REQUIRED        = 0x1a,
        MLX4_EVENT_TYPE_FATAL_WARNING      = 0x1b,
        MLX4_EVENT_TYPE_FLR_EVENT          = 0x1c,
        MLX4_EVENT_TYPE_PORT_MNG_CHG_EVENT = 0x1d,
        MLX4_EVENT_TYPE_NONE               = 0xff,
};

enum {
        MLX4_PORT_CHANGE_SUBTYPE_DOWN   = 1,
        MLX4_PORT_CHANGE_SUBTYPE_ACTIVE = 4
};

enum {
        MLX4_FATAL_WARNING_SUBTYPE_WARMING = 0,
};

enum slave_port_state {
        SLAVE_PORT_DOWN = 0,
        SLAVE_PENDING_UP,
        SLAVE_PORT_UP,
};

enum slave_port_gen_event {
        SLAVE_PORT_GEN_EVENT_DOWN = 0,
        SLAVE_PORT_GEN_EVENT_UP,
        SLAVE_PORT_GEN_EVENT_NONE,
};

enum slave_port_state_event {
        MLX4_PORT_STATE_DEV_EVENT_PORT_DOWN,
        MLX4_PORT_STATE_DEV_EVENT_PORT_UP,
        MLX4_PORT_STATE_IB_PORT_STATE_EVENT_GID_VALID,
        MLX4_PORT_STATE_IB_EVENT_GID_INVALID,
};

enum {
        MLX4_PERM_LOCAL_READ    = 1 << 10,
        MLX4_PERM_LOCAL_WRITE   = 1 << 11,
        MLX4_PERM_REMOTE_READ   = 1 << 12,
        MLX4_PERM_REMOTE_WRITE  = 1 << 13,
        MLX4_PERM_ATOMIC        = 1 << 14,
        MLX4_PERM_BIND_MW       = 1 << 15,
        MLX4_PERM_MASK          = 0xFC00
};

enum {
        MLX4_OPCODE_NOP                 = 0x00,
        MLX4_OPCODE_SEND_INVAL          = 0x01,
        MLX4_OPCODE_RDMA_WRITE          = 0x08,
        MLX4_OPCODE_RDMA_WRITE_IMM      = 0x09,
        MLX4_OPCODE_SEND                = 0x0a,
        MLX4_OPCODE_SEND_IMM            = 0x0b,
        MLX4_OPCODE_LSO                 = 0x0e,
        MLX4_OPCODE_RDMA_READ           = 0x10,
        MLX4_OPCODE_ATOMIC_CS           = 0x11,
        MLX4_OPCODE_ATOMIC_FA           = 0x12,
        MLX4_OPCODE_MASKED_ATOMIC_CS    = 0x14,
        MLX4_OPCODE_MASKED_ATOMIC_FA    = 0x15,
        MLX4_OPCODE_BIND_MW             = 0x18,
        MLX4_OPCODE_FMR                 = 0x19,
        MLX4_OPCODE_LOCAL_INVAL         = 0x1b,
        MLX4_OPCODE_CONFIG_CMD          = 0x1f,

        MLX4_RECV_OPCODE_RDMA_WRITE_IMM = 0x00,
        MLX4_RECV_OPCODE_SEND           = 0x01,
        MLX4_RECV_OPCODE_SEND_IMM       = 0x02,
        MLX4_RECV_OPCODE_SEND_INVAL     = 0x03,

        MLX4_CQE_OPCODE_ERROR           = 0x1e,
        MLX4_CQE_OPCODE_RESIZE          = 0x16,
};

enum {
        MLX4_STAT_RATE_OFFSET   = 5
};

enum mlx4_protocol {
        MLX4_PROT_IB_IPV6 = 0,
        MLX4_PROT_ETH,
        MLX4_PROT_IB_IPV4,
        MLX4_PROT_FCOE
};

enum {
        MLX4_MTT_FLAG_PRESENT           = 1
};

enum mlx4_qp_region {
        MLX4_QP_REGION_FW = 0,
        MLX4_QP_REGION_ETH_ADDR,
        MLX4_QP_REGION_FC_ADDR,
        MLX4_QP_REGION_FC_EXCH,
        MLX4_NUM_QP_REGION
};

enum mlx4_port_type {
        MLX4_PORT_TYPE_NONE     = 0,
        MLX4_PORT_TYPE_IB       = 1,
        MLX4_PORT_TYPE_ETH      = 2,
        MLX4_PORT_TYPE_AUTO     = 3
};

enum mlx4_special_vlan_idx {
        MLX4_NO_VLAN_IDX        = 0,
        MLX4_VLAN_MISS_IDX,
        MLX4_VLAN_REGULAR
};

enum mlx4_steer_type {
        MLX4_MC_STEER = 0,
        MLX4_UC_STEER,
        MLX4_NUM_STEERS
};

enum {
        MLX4_NUM_FEXCH          = 64 * 1024,
};

enum {
        MLX4_MAX_FAST_REG_PAGES = 511,
};

enum {
        MLX4_DEV_PMC_SUBTYPE_GUID_INFO   = 0x14,
        MLX4_DEV_PMC_SUBTYPE_PORT_INFO   = 0x15,
        MLX4_DEV_PMC_SUBTYPE_PKEY_TABLE  = 0x16,
};

/* Port mgmt change event handling */
enum {
        MLX4_EQ_PORT_INFO_MSTR_SM_LID_CHANGE_MASK       = 1 << 0,
        MLX4_EQ_PORT_INFO_GID_PFX_CHANGE_MASK           = 1 << 1,
        MLX4_EQ_PORT_INFO_LID_CHANGE_MASK               = 1 << 2,
        MLX4_EQ_PORT_INFO_CLIENT_REREG_MASK             = 1 << 3,
        MLX4_EQ_PORT_INFO_MSTR_SM_SL_CHANGE_MASK        = 1 << 4,
};

#define MSTR_SM_CHANGE_MASK (MLX4_EQ_PORT_INFO_MSTR_SM_SL_CHANGE_MASK | \
                             MLX4_EQ_PORT_INFO_MSTR_SM_LID_CHANGE_MASK)

static inline u64 mlx4_fw_ver(u64 major, u64 minor, u64 subminor)
{
        return (major << 32) | (minor << 16) | subminor;
}

struct mlx4_phys_caps {
        u32                     gid_phys_table_len[MLX4_MAX_PORTS + 1];
        u32                     pkey_phys_table_len[MLX4_MAX_PORTS + 1];
        u32                     num_phys_eqs;
        u32                     base_sqpn;
        u32                     base_proxy_sqpn;
        u32                     base_tunnel_sqpn;
};

struct mlx4_caps {
        u64                     fw_ver;
        u32                     function;
        int                     num_ports;
        int                     vl_cap[MLX4_MAX_PORTS + 1];
        int                     ib_mtu_cap[MLX4_MAX_PORTS + 1];
        __be32                  ib_port_def_cap[MLX4_MAX_PORTS + 1];
        u64                     def_mac[MLX4_MAX_PORTS + 1];
        int                     eth_mtu_cap[MLX4_MAX_PORTS + 1];
        int                     gid_table_len[MLX4_MAX_PORTS + 1];
        int                     pkey_table_len[MLX4_MAX_PORTS + 1];
        int                     trans_type[MLX4_MAX_PORTS + 1];
        int                     vendor_oui[MLX4_MAX_PORTS + 1];
        int                     wavelength[MLX4_MAX_PORTS + 1];
        u64                     trans_code[MLX4_MAX_PORTS + 1];
        int                     local_ca_ack_delay;
        int                     num_uars;
        u32                     uar_page_size;
        int                     bf_reg_size;
        int                     bf_regs_per_page;
        int                     max_sq_sg;
        int                     max_rq_sg;
        int                     num_qps;
        int                     max_wqes;
        int                     max_sq_desc_sz;
        int                     max_rq_desc_sz;
        int                     max_qp_init_rdma;
        int                     max_qp_dest_rdma;
        u32                     *qp0_qkey;
        u32                     *qp0_proxy;
        u32                     *qp1_proxy;
        u32                     *qp0_tunnel;
        u32                     *qp1_tunnel;
        int                     num_srqs;
        int                     max_srq_wqes;
        int                     max_srq_sge;
        int                     reserved_srqs;
        int                     num_cqs;
        int                     max_cqes;
        int                     reserved_cqs;
        int                     num_eqs;
        int                     reserved_eqs;
        int                     num_comp_vectors;
        int                     comp_pool;
        int                     num_mpts;
        int                     max_fmr_maps;
        int                     num_mtts;
        int                     fmr_reserved_mtts;
        int                     reserved_mtts;
        int                     reserved_mrws;
        int                     reserved_uars;
        int                     num_mgms;
        int                     num_amgms;
        int                     reserved_mcgs;
        int                     num_qp_per_mgm;
        int                     steering_mode;
        int                     fs_log_max_ucast_qp_range_size;
        int                     num_pds;
        int                     reserved_pds;
        int                     max_xrcds;
        int                     reserved_xrcds;
        int                     mtt_entry_sz;
        u32                     max_msg_sz;
        u32                     page_size_cap;
        u64                     flags;
        u64                     flags2;
        u32                     bmme_flags;
        u32                     reserved_lkey;
        u16                     stat_rate_support;
        u8                      port_width_cap[MLX4_MAX_PORTS + 1];
        int                     max_gso_sz;
        int                     max_rss_tbl_sz;
        int                     reserved_qps_cnt[MLX4_NUM_QP_REGION];
        int                     reserved_qps;
        int                     reserved_qps_base[MLX4_NUM_QP_REGION];
        int                     log_num_macs;
        int                     log_num_vlans;
        enum mlx4_port_type     port_type[MLX4_MAX_PORTS + 1];
        u8                      supported_type[MLX4_MAX_PORTS + 1];
        u8                      suggested_type[MLX4_MAX_PORTS + 1];
        u8                      default_sense[MLX4_MAX_PORTS + 1];
        u32                     port_mask[MLX4_MAX_PORTS + 1];
        enum mlx4_port_type     possible_type[MLX4_MAX_PORTS + 1];
        u32                     max_counters;
        u8                      port_ib_mtu[MLX4_MAX_PORTS + 1];
        u16                     sqp_demux;
        u32                     eqe_size;
        u32                     cqe_size;
        u8                      eqe_factor;
        u32                     userspace_caps; /* userspace must be aware of these */
        u32                     function_caps;  /* VFs must be aware of these */
        u16                     hca_core_clock;
        u64                     phys_port_id[MLX4_MAX_PORTS + 1];
        int                     tunnel_offload_mode;
};

struct mlx4_buf_list {
        void                   *buf;
        dma_addr_t              map;
};

struct mlx4_buf {
        struct mlx4_buf_list    direct;
        struct mlx4_buf_list   *page_list;
        int                     nbufs;
        int                     npages;
        int                     page_shift;
};

struct mlx4_mtt {
        u32                     offset;
        int                     order;
        int                     page_shift;
};

enum {
        MLX4_DB_PER_PAGE = PAGE_SIZE / 4
};

struct mlx4_db_pgdir {
        struct list_head        list;
        DECLARE_BITMAP(order0, MLX4_DB_PER_PAGE);
        DECLARE_BITMAP(order1, MLX4_DB_PER_PAGE / 2);
        unsigned long          *bits[2];
        __be32                 *db_page;
        dma_addr_t              db_dma;
};

struct mlx4_ib_user_db_page;

struct mlx4_db {
        __be32                  *db;
        union {
                struct mlx4_db_pgdir            *pgdir;
                struct mlx4_ib_user_db_page     *user_page;
        }                       u;
        dma_addr_t              dma;
        int                     index;
        int                     order;
};

struct mlx4_hwq_resources {
        struct mlx4_db          db;
        struct mlx4_mtt         mtt;
        struct mlx4_buf         buf;
};

struct mlx4_mr {
        struct mlx4_mtt         mtt;
        u64                     iova;
        u64                     size;
        u32                     key;
        u32                     pd;
        u32                     access;
        int                     enabled;
};

enum mlx4_mw_type {
        MLX4_MW_TYPE_1 = 1,
        MLX4_MW_TYPE_2 = 2,
};

struct mlx4_mw {
        u32                     key;
        u32                     pd;
        enum mlx4_mw_type       type;
        int                     enabled;
};

struct mlx4_fmr {
        struct mlx4_mr          mr;
        struct mlx4_mpt_entry  *mpt;
        __be64                 *mtts;
        dma_addr_t              dma_handle;
        int                     max_pages;
        int                     max_maps;
        int                     maps;
        u8                      page_shift;
};

struct mlx4_uar {
        unsigned long           pfn;
        int                     index;
        struct list_head        bf_list;
        unsigned                free_bf_bmap;
        void __iomem           *map;
        void __iomem           *bf_map;
};

struct mlx4_bf {
        unsigned int            offset;
        int                     buf_size;
        struct mlx4_uar        *uar;
        void __iomem           *reg;
};

struct mlx4_cq {
        void (*comp)            (struct mlx4_cq *);
        void (*event)           (struct mlx4_cq *, enum mlx4_event);

        struct mlx4_uar        *uar;

        u32                     cons_index;

        u16                     irq;
        __be32                 *set_ci_db;
        __be32                 *arm_db;
        int                     arm_sn;

        int                     cqn;
        unsigned                vector;

        atomic_t                refcount;
        struct completion       free;
};

struct mlx4_qp {
        void (*event)           (struct mlx4_qp *, enum mlx4_event);

        int                     qpn;

        atomic_t                refcount;
        struct completion       free;
};

struct mlx4_srq {
        void (*event)           (struct mlx4_srq *, enum mlx4_event);

        int                     srqn;
        int                     max;
        int                     max_gs;
        int                     wqe_shift;

        atomic_t                refcount;
        struct completion       free;
};

struct mlx4_av {
        __be32                  port_pd;
        u8                      reserved1;
        u8                      g_slid;
        __be16                  dlid;
        u8                      reserved2;
        u8                      gid_index;
        u8                      stat_rate;
        u8                      hop_limit;
        __be32                  sl_tclass_flowlabel;
        u8                      dgid[16];
};

struct mlx4_eth_av {
        __be32          port_pd;
        u8              reserved1;
        u8              smac_idx;
        u16             reserved2;
        u8              reserved3;
        u8              gid_index;
        u8              stat_rate;
        u8              hop_limit;
        __be32          sl_tclass_flowlabel;
        u8              dgid[16];
        u8              s_mac[6];
        u8              reserved4[2];
        __be16          vlan;
        u8              mac[ETH_ALEN];
};

union mlx4_ext_av {
        struct mlx4_av          ib;
        struct mlx4_eth_av      eth;
};

struct mlx4_counter {
        u8      reserved1[3];
        u8      counter_mode;
        __be32  num_ifc;
        u32     reserved2[2];
        __be64  rx_frames;
        __be64  rx_bytes;
        __be64  tx_frames;
        __be64  tx_bytes;
};

struct mlx4_quotas {
        int qp;
        int cq;
        int srq;
        int mpt;
        int mtt;
        int counter;
        int xrcd;
};

struct mlx4_vf_dev {
        u8                      min_port;
        u8                      n_ports;
};

struct mlx4_dev {
        struct pci_dev         *pdev;
        unsigned long           flags;
        unsigned long           num_slaves;
        struct mlx4_caps        caps;
        struct mlx4_phys_caps   phys_caps;
        struct mlx4_quotas      quotas;
        struct radix_tree_root  qp_table_tree;
        u8                      rev_id;
        char                    board_id[MLX4_BOARD_ID_LEN];
        int                     num_vfs;
        int                     numa_node;
        int                     oper_log_mgm_entry_size;
        u64                     regid_promisc_array[MLX4_MAX_PORTS + 1];
        u64                     regid_allmulti_array[MLX4_MAX_PORTS + 1];
        struct mlx4_vf_dev     *dev_vfs;
        int                     nvfs[MLX4_MAX_PORTS + 1];
};

struct mlx4_eqe {
        u8                      reserved1;
        u8                      type;
        u8                      reserved2;
        u8                      subtype;
        union {
                u32             raw[6];
                struct {
                        __be32  cqn;
                } __packed comp;
                struct {
                        u16     reserved1;
                        __be16  token;
                        u32     reserved2;
                        u8      reserved3[3];
                        u8      status;
                        __be64  out_param;
                } __packed cmd;
                struct {
                        __be32  qpn;
                } __packed qp;
                struct {
                        __be32  srqn;
                } __packed srq;
                struct {
                        __be32  cqn;
                        u32     reserved1;
                        u8      reserved2[3];
                        u8      syndrome;
                } __packed cq_err;
                struct {
                        u32     reserved1[2];
                        __be32  port;
                } __packed port_change;
                struct {
                        #define COMM_CHANNEL_BIT_ARRAY_SIZE     4
                        u32 reserved;
                        u32 bit_vec[COMM_CHANNEL_BIT_ARRAY_SIZE];
                } __packed comm_channel_arm;
                struct {
                        u8      port;
                        u8      reserved[3];
                        __be64  mac;
                } __packed mac_update;
                struct {
                        __be32  slave_id;
                } __packed flr_event;
                struct {
                        __be16  current_temperature;
                        __be16  warning_threshold;
                } __packed warming;
                struct {
                        u8 reserved[3];
                        u8 port;
                        union {
                                struct {
                                        __be16 mstr_sm_lid;
                                        __be16 port_lid;
                                        __be32 changed_attr;
                                        u8 reserved[3];
                                        u8 mstr_sm_sl;
                                        __be64 gid_prefix;
                                } __packed port_info;
                                struct {
                                        __be32 block_ptr;
                                        __be32 tbl_entries_mask;
                                } __packed tbl_change_info;
                        } params;
                } __packed port_mgmt_change;
        }                       event;
        u8                      slave_id;
        u8                      reserved3[2];
        u8                      owner;
} __packed;

struct mlx4_init_port_param {
        int                     set_guid0;
        int                     set_node_guid;
        int                     set_si_guid;
        u16                     mtu;
        int                     port_width_cap;
        u16                     vl_cap;
        u16                     max_gid;
        u16                     max_pkey;
        u64                     guid0;
        u64                     node_guid;
        u64                     si_guid;
};

#define mlx4_foreach_port(port, dev, type)                              \
        for ((port) = 1; (port) <= (dev)->caps.num_ports; (port)++)     \
                if ((type) == (dev)->caps.port_mask[(port)])

#define mlx4_foreach_non_ib_transport_port(port, dev)                     \
        for ((port) = 1; (port) <= (dev)->caps.num_ports; (port)++)       \
                if (((dev)->caps.port_mask[port] != MLX4_PORT_TYPE_IB))

#define mlx4_foreach_ib_transport_port(port, dev)                         \
        for ((port) = 1; (port) <= (dev)->caps.num_ports; (port)++)       \
                if (((dev)->caps.port_mask[port] == MLX4_PORT_TYPE_IB) || \
                        ((dev)->caps.flags & MLX4_DEV_CAP_FLAG_IBOE))

#define MLX4_INVALID_SLAVE_ID   0xFF

void handle_port_mgmt_change_event(struct work_struct *work);

static inline int mlx4_master_func_num(struct mlx4_dev *dev)
{
        return dev->caps.function;
}

static inline int mlx4_is_master(struct mlx4_dev *dev)
{
        return dev->flags & MLX4_FLAG_MASTER;
}

static inline int mlx4_num_reserved_sqps(struct mlx4_dev *dev)
{
        return dev->phys_caps.base_sqpn + 8 +
                16 * MLX4_MFUNC_MAX * !!mlx4_is_master(dev);
}

static inline int mlx4_is_qp_reserved(struct mlx4_dev *dev, u32 qpn)
{
        return (qpn < dev->phys_caps.base_sqpn + 8 +
                16 * MLX4_MFUNC_MAX * !!mlx4_is_master(dev));
}

static inline int mlx4_is_guest_proxy(struct mlx4_dev *dev, int slave, u32 qpn)
{
        int guest_proxy_base = dev->phys_caps.base_proxy_sqpn + slave * 8;

        if (qpn >= guest_proxy_base && qpn < guest_proxy_base + 8)
                return 1;

        return 0;
}

static inline int mlx4_is_mfunc(struct mlx4_dev *dev)
{
        return dev->flags & (MLX4_FLAG_SLAVE | MLX4_FLAG_MASTER);
}

static inline int mlx4_is_slave(struct mlx4_dev *dev)
{
        return dev->flags & MLX4_FLAG_SLAVE;
}

int mlx4_buf_alloc(struct mlx4_dev *dev, int size, int max_direct,
                   struct mlx4_buf *buf, gfp_t gfp);
void mlx4_buf_free(struct mlx4_dev *dev, int size, struct mlx4_buf *buf);
static inline void *mlx4_buf_offset(struct mlx4_buf *buf, int offset)
{
        if (BITS_PER_LONG == 64 || buf->nbufs == 1)
                return buf->direct.buf + offset;
        else
                return buf->page_list[offset >> PAGE_SHIFT].buf +
                        (offset & (PAGE_SIZE - 1));
}

int mlx4_pd_alloc(struct mlx4_dev *dev, u32 *pdn);
void mlx4_pd_free(struct mlx4_dev *dev, u32 pdn);
int mlx4_xrcd_alloc(struct mlx4_dev *dev, u32 *xrcdn);
void mlx4_xrcd_free(struct mlx4_dev *dev, u32 xrcdn);

int mlx4_uar_alloc(struct mlx4_dev *dev, struct mlx4_uar *uar);
void mlx4_uar_free(struct mlx4_dev *dev, struct mlx4_uar *uar);
int mlx4_bf_alloc(struct mlx4_dev *dev, struct mlx4_bf *bf, int node);
void mlx4_bf_free(struct mlx4_dev *dev, struct mlx4_bf *bf);

int mlx4_mtt_init(struct mlx4_dev *dev, int npages, int page_shift,
                  struct mlx4_mtt *mtt);
void mlx4_mtt_cleanup(struct mlx4_dev *dev, struct mlx4_mtt *mtt);
u64 mlx4_mtt_addr(struct mlx4_dev *dev, struct mlx4_mtt *mtt);

int mlx4_mr_alloc(struct mlx4_dev *dev, u32 pd, u64 iova, u64 size, u32 access,
                  int npages, int page_shift, struct mlx4_mr *mr);
int mlx4_mr_free(struct mlx4_dev *dev, struct mlx4_mr *mr);
int mlx4_mr_enable(struct mlx4_dev *dev, struct mlx4_mr *mr);
int mlx4_mw_alloc(struct mlx4_dev *dev, u32 pd, enum mlx4_mw_type type,
                  struct mlx4_mw *mw);
void mlx4_mw_free(struct mlx4_dev *dev, struct mlx4_mw *mw);
int mlx4_mw_enable(struct mlx4_dev *dev, struct mlx4_mw *mw);
int mlx4_write_mtt(struct mlx4_dev *dev, struct mlx4_mtt *mtt,
                   int start_index, int npages, u64 *page_list);
int mlx4_buf_write_mtt(struct mlx4_dev *dev, struct mlx4_mtt *mtt,
                       struct mlx4_buf *buf, gfp_t gfp);

int mlx4_db_alloc(struct mlx4_dev *dev, struct mlx4_db *db, int order,
                  gfp_t gfp);
void mlx4_db_free(struct mlx4_dev *dev, struct mlx4_db *db);

int mlx4_alloc_hwq_res(struct mlx4_dev *dev, struct mlx4_hwq_resources *wqres,
                       int size, int max_direct);
void mlx4_free_hwq_res(struct mlx4_dev *mdev, struct mlx4_hwq_resources *wqres,
                       int size);

int mlx4_cq_alloc(struct mlx4_dev *dev, int nent, struct mlx4_mtt *mtt,
                  struct mlx4_uar *uar, u64 db_rec, struct mlx4_cq *cq,
                  unsigned vector, int collapsed, int timestamp_en);
void mlx4_cq_free(struct mlx4_dev *dev, struct mlx4_cq *cq);

int mlx4_qp_reserve_range(struct mlx4_dev *dev, int cnt, int align, int *base);
void mlx4_qp_release_range(struct mlx4_dev *dev, int base_qpn, int cnt);

int mlx4_qp_alloc(struct mlx4_dev *dev, int qpn, struct mlx4_qp *qp,
                  gfp_t gfp);
void mlx4_qp_free(struct mlx4_dev *dev, struct mlx4_qp *qp);

int mlx4_srq_alloc(struct mlx4_dev *dev, u32 pdn, u32 cqn, u16 xrcdn,
                   struct mlx4_mtt *mtt, u64 db_rec, struct mlx4_srq *srq);
void mlx4_srq_free(struct mlx4_dev *dev, struct mlx4_srq *srq);
int mlx4_srq_arm(struct mlx4_dev *dev, struct mlx4_srq *srq, int limit_watermark);
int mlx4_srq_query(struct mlx4_dev *dev, struct mlx4_srq *srq, int *limit_watermark);

int mlx4_INIT_PORT(struct mlx4_dev *dev, int port);
int mlx4_CLOSE_PORT(struct mlx4_dev *dev, int port);

int mlx4_unicast_attach(struct mlx4_dev *dev, struct mlx4_qp *qp, u8 gid[16],
                        int block_mcast_loopback, enum mlx4_protocol prot);
int mlx4_unicast_detach(struct mlx4_dev *dev, struct mlx4_qp *qp, u8 gid[16],
                        enum mlx4_protocol prot);
int mlx4_multicast_attach(struct mlx4_dev *dev, struct mlx4_qp *qp, u8 gid[16],
                          u8 port, int block_mcast_loopback,
                          enum mlx4_protocol protocol, u64 *reg_id);
int mlx4_multicast_detach(struct mlx4_dev *dev, struct mlx4_qp *qp, u8 gid[16],
                          enum mlx4_protocol protocol, u64 reg_id);

enum {
        MLX4_DOMAIN_UVERBS      = 0x1000,
        MLX4_DOMAIN_ETHTOOL     = 0x2000,
        MLX4_DOMAIN_RFS         = 0x3000,
        MLX4_DOMAIN_NIC    = 0x5000,
};

enum mlx4_net_trans_rule_id {
        MLX4_NET_TRANS_RULE_ID_ETH = 0,
        MLX4_NET_TRANS_RULE_ID_IB,
        MLX4_NET_TRANS_RULE_ID_IPV6,
        MLX4_NET_TRANS_RULE_ID_IPV4,
        MLX4_NET_TRANS_RULE_ID_TCP,
        MLX4_NET_TRANS_RULE_ID_UDP,
        MLX4_NET_TRANS_RULE_ID_VXLAN,
        MLX4_NET_TRANS_RULE_NUM, /* should be last */
};

extern const u16 __sw_id_hw[];

static inline int map_hw_to_sw_id(u16 header_id)
{

        int i;
        for (i = 0; i < MLX4_NET_TRANS_RULE_NUM; i++) {
                if (header_id == __sw_id_hw[i])
                        return i;
        }
        return -EINVAL;
}

enum mlx4_net_trans_promisc_mode {
        MLX4_FS_REGULAR = 1,
        MLX4_FS_ALL_DEFAULT,
        MLX4_FS_MC_DEFAULT,
        MLX4_FS_UC_SNIFFER,
        MLX4_FS_MC_SNIFFER,
        MLX4_FS_MODE_NUM, /* should be last */
};

struct mlx4_spec_eth {
        u8      dst_mac[ETH_ALEN];
        u8      dst_mac_msk[ETH_ALEN];
        u8      src_mac[ETH_ALEN];
        u8      src_mac_msk[ETH_ALEN];
        u8      ether_type_enable;
        __be16  ether_type;
        __be16  vlan_id_msk;
        __be16  vlan_id;
};

struct mlx4_spec_tcp_udp {
        __be16 dst_port;
        __be16 dst_port_msk;
        __be16 src_port;
        __be16 src_port_msk;
};

struct mlx4_spec_ipv4 {
        __be32 dst_ip;
        __be32 dst_ip_msk;
        __be32 src_ip;
        __be32 src_ip_msk;
};

struct mlx4_spec_ib {
        __be32  l3_qpn;
        __be32  qpn_msk;
        u8      dst_gid[16];
        u8      dst_gid_msk[16];
};

struct mlx4_spec_vxlan {
        __be32 vni;
        __be32 vni_mask;

};

struct mlx4_spec_list {
        struct  list_head list;
        enum    mlx4_net_trans_rule_id id;
        union {
                struct mlx4_spec_eth eth;
                struct mlx4_spec_ib ib;
                struct mlx4_spec_ipv4 ipv4;
                struct mlx4_spec_tcp_udp tcp_udp;
                struct mlx4_spec_vxlan vxlan;
        };
};

enum mlx4_net_trans_hw_rule_queue {
        MLX4_NET_TRANS_Q_FIFO,
        MLX4_NET_TRANS_Q_LIFO,
};

struct mlx4_net_trans_rule {
        struct  list_head list;
        enum    mlx4_net_trans_hw_rule_queue queue_mode;
        bool    exclusive;
        bool    allow_loopback;
        enum    mlx4_net_trans_promisc_mode promisc_mode;
        u8      port;
        u16     priority;
        u32     qpn;
};

struct mlx4_net_trans_rule_hw_ctrl {
        __be16 prio;
        u8 type;
        u8 flags;
        u8 rsvd1;
        u8 funcid;
        u8 vep;
        u8 port;
        __be32 qpn;
        __be32 rsvd2;
};

struct mlx4_net_trans_rule_hw_ib {
        u8 size;
        u8 rsvd1;
        __be16 id;
        u32 rsvd2;
        __be32 l3_qpn;
        __be32 qpn_mask;
        u8 dst_gid[16];
        u8 dst_gid_msk[16];
} __packed;

struct mlx4_net_trans_rule_hw_eth {
        u8      size;
        u8      rsvd;
        __be16  id;
        u8      rsvd1[6];
        u8      dst_mac[6];
        u16     rsvd2;
        u8      dst_mac_msk[6];
        u16     rsvd3;
        u8      src_mac[6];
        u16     rsvd4;
        u8      src_mac_msk[6];
        u8      rsvd5;
        u8      ether_type_enable;
        __be16  ether_type;
        __be16  vlan_tag_msk;
        __be16  vlan_tag;
} __packed;

struct mlx4_net_trans_rule_hw_tcp_udp {
        u8      size;
        u8      rsvd;
        __be16  id;
        __be16  rsvd1[3];
        __be16  dst_port;
        __be16  rsvd2;
        __be16  dst_port_msk;
        __be16  rsvd3;
        __be16  src_port;
        __be16  rsvd4;
        __be16  src_port_msk;
} __packed;

struct mlx4_net_trans_rule_hw_ipv4 {
        u8      size;
        u8      rsvd;
        __be16  id;
        __be32  rsvd1;
        __be32  dst_ip;
        __be32  dst_ip_msk;
        __be32  src_ip;
        __be32  src_ip_msk;
} __packed;

struct mlx4_net_trans_rule_hw_vxlan {
        u8      size;
        u8      rsvd;
        __be16  id;
        __be32  rsvd1;
        __be32  vni;
        __be32  vni_mask;
} __packed;

struct _rule_hw {
        union {
                struct {
                        u8 size;
                        u8 rsvd;
                        __be16 id;
                };
                struct mlx4_net_trans_rule_hw_eth eth;
                struct mlx4_net_trans_rule_hw_ib ib;
                struct mlx4_net_trans_rule_hw_ipv4 ipv4;
                struct mlx4_net_trans_rule_hw_tcp_udp tcp_udp;
                struct mlx4_net_trans_rule_hw_vxlan vxlan;
        };
};

enum {
        VXLAN_STEER_BY_OUTER_MAC        = 1 << 0,
        VXLAN_STEER_BY_OUTER_VLAN       = 1 << 1,
        VXLAN_STEER_BY_VSID_VNI         = 1 << 2,
        VXLAN_STEER_BY_INNER_MAC        = 1 << 3,
        VXLAN_STEER_BY_INNER_VLAN       = 1 << 4,
};


int mlx4_flow_steer_promisc_add(struct mlx4_dev *dev, u8 port, u32 qpn,
                                enum mlx4_net_trans_promisc_mode mode);
int mlx4_flow_steer_promisc_remove(struct mlx4_dev *dev, u8 port,
                                   enum mlx4_net_trans_promisc_mode mode);
int mlx4_multicast_promisc_add(struct mlx4_dev *dev, u32 qpn, u8 port);
int mlx4_multicast_promisc_remove(struct mlx4_dev *dev, u32 qpn, u8 port);
int mlx4_unicast_promisc_add(struct mlx4_dev *dev, u32 qpn, u8 port);
int mlx4_unicast_promisc_remove(struct mlx4_dev *dev, u32 qpn, u8 port);
int mlx4_SET_MCAST_FLTR(struct mlx4_dev *dev, u8 port, u64 mac, u64 clear, u8 mode);

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_get_base_qpn(struct mlx4_dev *dev, u8 port);
int __mlx4_replace_mac(struct mlx4_dev *dev, u8 port, int qpn, u64 new_mac);
void mlx4_set_stats_bitmap(struct mlx4_dev *dev, u64 *stats_bitmap);
int mlx4_SET_PORT_general(struct mlx4_dev *dev, u8 port, int mtu,
                          u8 pptx, u8 pfctx, u8 pprx, u8 pfcrx);
int mlx4_SET_PORT_qpn_calc(struct mlx4_dev *dev, u8 port, u32 base_qpn,
                           u8 promisc);
int mlx4_SET_PORT_PRIO2TC(struct mlx4_dev *dev, u8 port, u8 *prio2tc);
int mlx4_SET_PORT_SCHEDULER(struct mlx4_dev *dev, u8 port, u8 *tc_tx_bw,
                u8 *pg, u16 *ratelimit);
int mlx4_SET_PORT_VXLAN(struct mlx4_dev *dev, u8 port, u8 steering, int enable);
int mlx4_find_cached_mac(struct mlx4_dev *dev, u8 port, u64 mac, int *idx);
int mlx4_find_cached_vlan(struct mlx4_dev *dev, u8 port, u16 vid, int *idx);
int mlx4_register_vlan(struct mlx4_dev *dev, u8 port, u16 vlan, int *index);
void mlx4_unregister_vlan(struct mlx4_dev *dev, u8 port, u16 vlan);

int mlx4_map_phys_fmr(struct mlx4_dev *dev, struct mlx4_fmr *fmr, u64 *page_list,
                      int npages, u64 iova, u32 *lkey, u32 *rkey);
int mlx4_fmr_alloc(struct mlx4_dev *dev, u32 pd, u32 access, int max_pages,
                   int max_maps, u8 page_shift, struct mlx4_fmr *fmr);
int mlx4_fmr_enable(struct mlx4_dev *dev, struct mlx4_fmr *fmr);
void mlx4_fmr_unmap(struct mlx4_dev *dev, struct mlx4_fmr *fmr,
                    u32 *lkey, u32 *rkey);
int mlx4_fmr_free(struct mlx4_dev *dev, struct mlx4_fmr *fmr);
int mlx4_SYNC_TPT(struct mlx4_dev *dev);
int mlx4_test_interrupts(struct mlx4_dev *dev);
int mlx4_assign_eq(struct mlx4_dev *dev, char *name, struct cpu_rmap *rmap,
                   int *vector);
void mlx4_release_eq(struct mlx4_dev *dev, int vec);

int mlx4_eq_get_irq(struct mlx4_dev *dev, int vec);

int mlx4_get_phys_port_id(struct mlx4_dev *dev);
int mlx4_wol_read(struct mlx4_dev *dev, u64 *config, int port);
int mlx4_wol_write(struct mlx4_dev *dev, u64 config, int port);

int mlx4_counter_alloc(struct mlx4_dev *dev, u32 *idx);
void mlx4_counter_free(struct mlx4_dev *dev, u32 idx);

int mlx4_flow_attach(struct mlx4_dev *dev,
                     struct mlx4_net_trans_rule *rule, u64 *reg_id);
int mlx4_flow_detach(struct mlx4_dev *dev, u64 reg_id);
int mlx4_map_sw_to_hw_steering_mode(struct mlx4_dev *dev,
                                    enum mlx4_net_trans_promisc_mode flow_type);
int mlx4_map_sw_to_hw_steering_id(struct mlx4_dev *dev,
                                  enum mlx4_net_trans_rule_id id);
int mlx4_hw_rule_sz(struct mlx4_dev *dev, enum mlx4_net_trans_rule_id id);

int mlx4_tunnel_steer_add(struct mlx4_dev *dev, unsigned char *addr,
                          int port, int qpn, u16 prio, u64 *reg_id);

void mlx4_sync_pkey_table(struct mlx4_dev *dev, int slave, int port,
                          int i, int val);

int mlx4_get_parav_qkey(struct mlx4_dev *dev, u32 qpn, u32 *qkey);

int mlx4_is_slave_active(struct mlx4_dev *dev, int slave);
int mlx4_gen_pkey_eqe(struct mlx4_dev *dev, int slave, u8 port);
int mlx4_gen_guid_change_eqe(struct mlx4_dev *dev, int slave, u8 port);
int mlx4_gen_slaves_port_mgt_ev(struct mlx4_dev *dev, u8 port, int attr);
int mlx4_gen_port_state_change_eqe(struct mlx4_dev *dev, int slave, u8 port, u8 port_subtype_change);
enum slave_port_state mlx4_get_slave_port_state(struct mlx4_dev *dev, int slave, u8 port);
int set_and_calc_slave_port_state(struct mlx4_dev *dev, int slave, u8 port, int event, enum slave_port_gen_event *gen_event);

void mlx4_put_slave_node_guid(struct mlx4_dev *dev, int slave, __be64 guid);
__be64 mlx4_get_slave_node_guid(struct mlx4_dev *dev, int slave);

int mlx4_get_slave_from_roce_gid(struct mlx4_dev *dev, int port, u8 *gid,
                                 int *slave_id);
int mlx4_get_roce_gid_from_slave(struct mlx4_dev *dev, int port, int slave_id,
                                 u8 *gid);

int mlx4_FLOW_STEERING_IB_UC_QP_RANGE(struct mlx4_dev *dev, u32 min_range_qpn,
                                      u32 max_range_qpn);

cycle_t mlx4_read_clock(struct mlx4_dev *dev);

struct mlx4_active_ports {
        DECLARE_BITMAP(ports, MLX4_MAX_PORTS);
};
/* Returns a bitmap of the physical ports which are assigned to slave */
struct mlx4_active_ports mlx4_get_active_ports(struct mlx4_dev *dev, int slave);

/* Returns the physical port that represents the virtual port of the slave, */
/* or a value < 0 in case of an error. If a slave has 2 ports, the identity */
/* mapping is returned.                                                     */
int mlx4_slave_convert_port(struct mlx4_dev *dev, int slave, int port);

struct mlx4_slaves_pport {
        DECLARE_BITMAP(slaves, MLX4_MFUNC_MAX);
};
/* Returns a bitmap of all slaves that are assigned to port. */
struct mlx4_slaves_pport mlx4_phys_to_slaves_pport(struct mlx4_dev *dev,
                                                   int port);

/* Returns a bitmap of all slaves that are assigned exactly to all the */
/* the ports that are set in crit_ports.                               */
struct mlx4_slaves_pport mlx4_phys_to_slaves_pport_actv(
                struct mlx4_dev *dev,
                const struct mlx4_active_ports *crit_ports);

/* Returns the slave's virtual port that represents the physical port. */
int mlx4_phys_to_slave_port(struct mlx4_dev *dev, int slave, int port);

int mlx4_get_base_gid_ix(struct mlx4_dev *dev, int slave, int port);

int mlx4_config_vxlan_port(struct mlx4_dev *dev, __be16 udp_port);
int mlx4_vf_smi_enabled(struct mlx4_dev *dev, int slave, int port);
int mlx4_vf_get_enable_smi_admin(struct mlx4_dev *dev, int slave, int port);
int mlx4_vf_set_enable_smi_admin(struct mlx4_dev *dev, int slave, int port,
                                 int enable);
int mlx4_mr_hw_get_mpt(struct mlx4_dev *dev, struct mlx4_mr *mmr,
                       struct mlx4_mpt_entry ***mpt_entry);
int mlx4_mr_hw_write_mpt(struct mlx4_dev *dev, struct mlx4_mr *mmr,
                         struct mlx4_mpt_entry **mpt_entry);
int mlx4_mr_hw_change_pd(struct mlx4_dev *dev, struct mlx4_mpt_entry *mpt_entry,
                         u32 pdn);
int mlx4_mr_hw_change_access(struct mlx4_dev *dev,
                             struct mlx4_mpt_entry *mpt_entry,
                             u32 access);
void mlx4_mr_hw_put_mpt(struct mlx4_dev *dev,
                        struct mlx4_mpt_entry **mpt_entry);
void mlx4_mr_rereg_mem_cleanup(struct mlx4_dev *dev, struct mlx4_mr *mr);
int mlx4_mr_rereg_mem_write(struct mlx4_dev *dev, struct mlx4_mr *mr,
                            u64 iova, u64 size, int npages,
                            int page_shift, struct mlx4_mpt_entry *mpt_entry);

/* Returns true if running in low memory profile (kdump kernel) */
static inline bool mlx4_low_memory_profile(void)
{
        return is_kdump_kernel();
}

#endif /* MLX4_DEVICE_H */