root/sys/dev/mlx5/qp.h
/*-
 * Copyright (c) 2013-2017, Mellanox Technologies, Ltd.  All rights reserved.
 *
 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following conditions
 * are met:
 * 1. Redistributions of source code must retain the above copyright
 *    notice, this list of conditions and the following disclaimer.
 * 2. 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.
 *
 * THIS SOFTWARE IS PROVIDED BY AUTHOR AND CONTRIBUTORS `AS IS' AND
 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
 * ARE DISCLAIMED.  IN NO EVENT SHALL AUTHOR OR CONTRIBUTORS BE LIABLE
 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
 * SUCH DAMAGE.
 */

#ifndef MLX5_QP_H
#define MLX5_QP_H

#include <dev/mlx5/driver.h>

#define MLX5_INVALID_LKEY       0x100
#define MLX5_SIG_WQE_SIZE       (MLX5_SEND_WQE_BB * 5)
#define MLX5_DIF_SIZE           8
#define MLX5_STRIDE_BLOCK_OP    0x400
#define MLX5_CPY_GRD_MASK       0xc0
#define MLX5_CPY_APP_MASK       0x30
#define MLX5_CPY_REF_MASK       0x0f
#define MLX5_BSF_INC_REFTAG     (1 << 6)
#define MLX5_BSF_INL_VALID      (1 << 15)
#define MLX5_BSF_REFRESH_DIF    (1 << 14)
#define MLX5_BSF_REPEAT_BLOCK   (1 << 7)
#define MLX5_BSF_APPTAG_ESCAPE  0x1
#define MLX5_BSF_APPREF_ESCAPE  0x2
#define MLX5_WQE_DS_UNITS 16

enum mlx5_qp_optpar {
        MLX5_QP_OPTPAR_ALT_ADDR_PATH            = 1 << 0,
        MLX5_QP_OPTPAR_RRE                      = 1 << 1,
        MLX5_QP_OPTPAR_RAE                      = 1 << 2,
        MLX5_QP_OPTPAR_RWE                      = 1 << 3,
        MLX5_QP_OPTPAR_PKEY_INDEX               = 1 << 4,
        MLX5_QP_OPTPAR_Q_KEY                    = 1 << 5,
        MLX5_QP_OPTPAR_RNR_TIMEOUT              = 1 << 6,
        MLX5_QP_OPTPAR_PRIMARY_ADDR_PATH        = 1 << 7,
        MLX5_QP_OPTPAR_SRA_MAX                  = 1 << 8,
        MLX5_QP_OPTPAR_RRA_MAX                  = 1 << 9,
        MLX5_QP_OPTPAR_PM_STATE                 = 1 << 10,
        MLX5_QP_OPTPAR_RETRY_COUNT              = 1 << 12,
        MLX5_QP_OPTPAR_RNR_RETRY                = 1 << 13,
        MLX5_QP_OPTPAR_ACK_TIMEOUT              = 1 << 14,
        MLX5_QP_OPTPAR_PRI_PORT                 = 1 << 16,
        MLX5_QP_OPTPAR_SRQN                     = 1 << 18,
        MLX5_QP_OPTPAR_CQN_RCV                  = 1 << 19,
        MLX5_QP_OPTPAR_DC_HS                    = 1 << 20,
        MLX5_QP_OPTPAR_DC_KEY                   = 1 << 21,
};

enum mlx5_qp_state {
        MLX5_QP_STATE_RST                       = 0,
        MLX5_QP_STATE_INIT                      = 1,
        MLX5_QP_STATE_RTR                       = 2,
        MLX5_QP_STATE_RTS                       = 3,
        MLX5_QP_STATE_SQER                      = 4,
        MLX5_QP_STATE_SQD                       = 5,
        MLX5_QP_STATE_ERR                       = 6,
        MLX5_QP_STATE_SQ_DRAINING               = 7,
        MLX5_QP_STATE_SUSPENDED                 = 9,
        MLX5_QP_NUM_STATE,
        MLX5_QP_STATE,
        MLX5_QP_STATE_BAD,
};

enum {
        MLX5_SQ_STATE_NA        = MLX5_SQC_STATE_ERR + 1,
        MLX5_SQ_NUM_STATE       = MLX5_SQ_STATE_NA + 1,
        MLX5_RQ_STATE_NA        = MLX5_RQC_STATE_ERR + 1,
        MLX5_RQ_NUM_STATE       = MLX5_RQ_STATE_NA + 1,
};

enum {
        MLX5_QP_ST_RC                           = 0x0,
        MLX5_QP_ST_UC                           = 0x1,
        MLX5_QP_ST_UD                           = 0x2,
        MLX5_QP_ST_XRC                          = 0x3,
        MLX5_QP_ST_MLX                          = 0x4,
        MLX5_QP_ST_DCI                          = 0x5,
        MLX5_QP_ST_DCT                          = 0x6,
        MLX5_QP_ST_QP0                          = 0x7,
        MLX5_QP_ST_QP1                          = 0x8,
        MLX5_QP_ST_RAW_ETHERTYPE                = 0x9,
        MLX5_QP_ST_RAW_IPV6                     = 0xa,
        MLX5_QP_ST_SNIFFER                      = 0xb,
        MLX5_QP_ST_SYNC_UMR                     = 0xe,
        MLX5_QP_ST_PTP_1588                     = 0xd,
        MLX5_QP_ST_REG_UMR                      = 0xc,
        MLX5_QP_ST_SW_CNAK                      = 0x10,
        MLX5_QP_ST_MAX
};

enum {
        MLX5_NON_ZERO_RQ        = 0x0,
        MLX5_SRQ_RQ             = 0x1,
        MLX5_CRQ_RQ             = 0x2,
        MLX5_ZERO_LEN_RQ        = 0x3
};

enum {
        /* params1 */
        MLX5_QP_BIT_SRE                         = 1 << 15,
        MLX5_QP_BIT_SWE                         = 1 << 14,
        MLX5_QP_BIT_SAE                         = 1 << 13,
        /* params2 */
        MLX5_QP_BIT_RRE                         = 1 << 15,
        MLX5_QP_BIT_RWE                         = 1 << 14,
        MLX5_QP_BIT_RAE                         = 1 << 13,
        MLX5_QP_BIT_RIC                         = 1 <<  4,
        MLX5_QP_BIT_COLL_SYNC_RQ                = 1 << 2,
        MLX5_QP_BIT_COLL_SYNC_SQ                = 1 << 1,
        MLX5_QP_BIT_COLL_MASTER                 = 1 << 0
};

enum {
        MLX5_DCT_BIT_RRE                = 1 << 19,
        MLX5_DCT_BIT_RWE                = 1 << 18,
        MLX5_DCT_BIT_RAE                = 1 << 17,
};

enum {
        MLX5_WQE_CTRL_CQ_UPDATE         = 2 << 2,
        MLX5_WQE_CTRL_CQ_UPDATE_AND_EQE = 3 << 2,
        MLX5_WQE_CTRL_SOLICITED         = 1 << 1,
};

#define MLX5_SEND_WQE_DS        16
#define MLX5_SEND_WQE_BB        64
#define MLX5_SEND_WQEBB_NUM_DS  (MLX5_SEND_WQE_BB / MLX5_SEND_WQE_DS)
#define MLX5_WQE_CTRL_QPN_SHIFT 8
#define MLX5_WQE_CTRL_WQE_INDEX_SHIFT 8

enum {
        MLX5_SEND_WQE_MAX_WQEBBS        = 16,
};

enum {
        MLX5_WQE_FMR_PERM_LOCAL_READ    = 1 << 27,
        MLX5_WQE_FMR_PERM_LOCAL_WRITE   = 1 << 28,
        MLX5_WQE_FMR_PERM_REMOTE_READ   = 1 << 29,
        MLX5_WQE_FMR_PERM_REMOTE_WRITE  = 1 << 30,
        MLX5_WQE_FMR_PERM_ATOMIC        = 1U << 31
};

enum {
        MLX5_FENCE_MODE_NONE                    = 0 << 5,
        MLX5_FENCE_MODE_INITIATOR_SMALL         = 1 << 5,
        MLX5_FENCE_MODE_FENCE                   = 2 << 5,
        MLX5_FENCE_MODE_STRONG_ORDERING         = 3 << 5,
        MLX5_FENCE_MODE_SMALL_AND_FENCE         = 4 << 5,
};

enum {
        MLX5_RCV_DBR    = 0,
        MLX5_SND_DBR    = 1,
};

enum {
        MLX5_FLAGS_INLINE       = 1<<7,
        MLX5_FLAGS_CHECK_FREE   = 1<<5,
};

struct mlx5_wqe_fmr_seg {
        __be32                  flags;
        __be32                  mem_key;
        __be64                  buf_list;
        __be64                  start_addr;
        __be64                  reg_len;
        __be32                  offset;
        __be32                  page_size;
        u32                     reserved[2];
};

struct mlx5_wqe_ctrl_seg {
        __be32                  opmod_idx_opcode;
        __be32                  qpn_ds;
        u8                      signature;
        u8                      rsvd[2];
        u8                      fm_ce_se;
        union {
                __be32          imm;
                __be32          general_id;
        };
};

#define MLX5_WQE_CTRL_DS_MASK 0x3f

enum {
        MLX5_MLX_FLAG_MASK_VL15 = 0x40,
        MLX5_MLX_FLAG_MASK_SLR  = 0x20,
        MLX5_MLX_FLAG_MASK_ICRC = 0x8,
        MLX5_MLX_FLAG_MASK_FL   = 4
};

struct mlx5_mlx_seg {
        __be32          rsvd0;
        u8              flags;
        u8              stat_rate_sl;
        u8              rsvd1[8];
        __be16          dlid;
};

enum {
        MLX5_ETH_WQE_L3_INNER_CSUM      = 1 << 4,
        MLX5_ETH_WQE_L4_INNER_CSUM      = 1 << 5,
        MLX5_ETH_WQE_L3_CSUM            = 1 << 6,
        MLX5_ETH_WQE_L4_CSUM            = 1 << 7,
};

enum {
        MLX5_ETH_WQE_SWP_INNER_L3_TYPE = 1 << 0,
        MLX5_ETH_WQE_SWP_INNER_L4_TYPE = 1 << 1,
        MLX5_ETH_WQE_SWP_OUTER_L3_TYPE = 1 << 4,
        MLX5_ETH_WQE_SWP_OUTER_L4_TYPE = 1 << 5,
};

enum {
        MLX5_ETH_WQE_FT_META_IPSEC = BIT(0),
};

struct mlx5_wqe_eth_seg {
        u8              swp_outer_l4_offset;
        u8              swp_outer_l3_offset;
        u8              swp_inner_l4_offset;
        u8              swp_inner_l3_offset;
        u8              cs_flags;
        u8              swp_flags;
        __be16          mss;
        __be32          flow_table_metadata;
        union {
                struct {
                        __be16          inline_hdr_sz;
                        u8              inline_hdr_start[2];
                };
                struct {
                        __be16          vlan_cmd;
                        __be16          vlan_hdr;
                };
        };
};

struct mlx5_wqe_xrc_seg {
        __be32                  xrc_srqn;
        u8                      rsvd[12];
};

struct mlx5_wqe_masked_atomic_seg {
        __be64                  swap_add;
        __be64                  compare;
        __be64                  swap_add_mask;
        __be64                  compare_mask;
};

struct mlx5_av {
        union {
                struct {
                        __be32  qkey;
                        __be32  reserved;
                } qkey;
                __be64  dc_key;
        } key;
        __be32  dqp_dct;
        u8      stat_rate_sl;
        u8      fl_mlid;
        union {
                __be16  rlid;
                __be16  udp_sport;
        };
        u8      reserved0[4];
        u8      rmac[6];
        u8      tclass;
        u8      hop_limit;
        __be32  grh_gid_fl;
        u8      rgid[16];
};

struct mlx5_wqe_datagram_seg {
        struct mlx5_av  av;
};

struct mlx5_wqe_raddr_seg {
        __be64                  raddr;
        __be32                  rkey;
        u32                     reserved;
};

struct mlx5_wqe_atomic_seg {
        __be64                  swap_add;
        __be64                  compare;
};

struct mlx5_wqe_data_seg {
        __be32                  byte_count;
        __be32                  lkey;
        __be64                  addr;
};

struct mlx5_wqe_umr_ctrl_seg {
        u8              flags;
        u8              rsvd0[3];
        __be16          klm_octowords;
        __be16          bsf_octowords;
        __be64          mkey_mask;
        u8              rsvd1[32];
};

struct mlx5_seg_set_psv {
        __be32          psv_num;
        __be16          syndrome;
        __be16          status;
        __be32          transient_sig;
        __be32          ref_tag;
};

struct mlx5_wqe_qos_remap_seg {
        u8              rsvd0[4];
        u8              rsvd1[4];
        __be32          qos_handle;
        __be32          queue_handle;
};

struct mlx5_seg_get_psv {
        u8              rsvd[19];
        u8              num_psv;
        __be32          l_key;
        __be64          va;
        __be32          psv_index[4];
};

struct mlx5_seg_check_psv {
        u8              rsvd0[2];
        __be16          err_coalescing_op;
        u8              rsvd1[2];
        __be16          xport_err_op;
        u8              rsvd2[2];
        __be16          xport_err_mask;
        u8              rsvd3[7];
        u8              num_psv;
        __be32          l_key;
        __be64          va;
        __be32          psv_index[4];
};

struct mlx5_rwqe_sig {
        u8      rsvd0[4];
        u8      signature;
        u8      rsvd1[11];
};

struct mlx5_wqe_signature_seg {
        u8      rsvd0[4];
        u8      signature;
        u8      rsvd1[11];
};

struct mlx5_wqe_inline_seg {
        __be32  byte_count;
};

enum mlx5_sig_type {
        MLX5_DIF_CRC = 0x1,
        MLX5_DIF_IPCS = 0x2,
};

struct mlx5_bsf_inl {
        __be16          vld_refresh;
        __be16          dif_apptag;
        __be32          dif_reftag;
        u8              sig_type;
        u8              rp_inv_seed;
        u8              rsvd[3];
        u8              dif_inc_ref_guard_check;
        __be16          dif_app_bitmask_check;
};

struct mlx5_bsf {
        struct mlx5_bsf_basic {
                u8              bsf_size_sbs;
                u8              check_byte_mask;
                union {
                        u8      copy_byte_mask;
                        u8      bs_selector;
                        u8      rsvd_wflags;
                } wire;
                union {
                        u8      bs_selector;
                        u8      rsvd_mflags;
                } mem;
                __be32          raw_data_size;
                __be32          w_bfs_psv;
                __be32          m_bfs_psv;
        } basic;
        struct mlx5_bsf_ext {
                __be32          t_init_gen_pro_size;
                __be32          rsvd_epi_size;
                __be32          w_tfs_psv;
                __be32          m_tfs_psv;
        } ext;
        struct mlx5_bsf_inl     w_inl;
        struct mlx5_bsf_inl     m_inl;
};

struct mlx5_klm {
        __be32          bcount;
        __be32          key;
        __be64          va;
};

struct mlx5_stride_block_entry {
        __be16          stride;
        __be16          bcount;
        __be32          key;
        __be64          va;
};

struct mlx5_stride_block_ctrl_seg {
        __be32          bcount_per_cycle;
        __be32          op;
        __be32          repeat_count;
        u16             rsvd;
        __be16          num_entries;
};

enum mlx5_pagefault_flags {
        MLX5_PFAULT_REQUESTOR = 1 << 0,
        MLX5_PFAULT_WRITE     = 1 << 1,
        MLX5_PFAULT_RDMA      = 1 << 2,
};

/* Contains the details of a pagefault. */
struct mlx5_pagefault {
        u32                     bytes_committed;
        u8                      event_subtype;
        enum mlx5_pagefault_flags flags;
        union {
                /* Initiator or send message responder pagefault details. */
                struct {
                        /* Received packet size, only valid for responders. */
                        u32     packet_size;
                        /*
                         * WQE index. Refers to either the send queue or
                         * receive queue, according to event_subtype.
                         */
                        u16     wqe_index;
                } wqe;
                /* RDMA responder pagefault details */
                struct {
                        u32     r_key;
                        /*
                         * Received packet size, minimal size page fault
                         * resolution required for forward progress.
                         */
                        u32     packet_size;
                        u32     rdma_op_len;
                        u64     rdma_va;
                } rdma;
        };
};

struct mlx5_core_qp {
        struct mlx5_core_rsc_common     common; /* must be first */
        void (*event)           (struct mlx5_core_qp *, int);
        int                     qpn;
        struct mlx5_rsc_debug   *dbg;
        int                     pid;
        u16                     uid;
};

struct mlx5_qp_path {
        u8                      fl_free_ar;
        u8                      rsvd3;
        __be16                  pkey_index;
        u8                      rsvd0;
        u8                      grh_mlid;
        __be16                  rlid;
        u8                      ackto_lt;
        u8                      mgid_index;
        u8                      static_rate;
        u8                      hop_limit;
        __be32                  tclass_flowlabel;
        union {
                u8              rgid[16];
                u8              rip[16];
        };
        u8                      f_dscp_ecn_prio;
        u8                      ecn_dscp;
        __be16                  udp_sport;
        u8                      dci_cfi_prio_sl;
        u8                      port;
        u8                      rmac[6];
};

struct mlx5_qp_context {
        __be32                  flags;
        __be32                  flags_pd;
        u8                      mtu_msgmax;
        u8                      rq_size_stride;
        __be16                  sq_crq_size;
        __be32                  qp_counter_set_usr_page;
        __be32                  wire_qpn;
        __be32                  log_pg_sz_remote_qpn;
        struct                  mlx5_qp_path pri_path;
        struct                  mlx5_qp_path alt_path;
        __be32                  params1;
        u8                      reserved2[4];
        __be32                  next_send_psn;
        __be32                  cqn_send;
        __be32                  deth_sqpn;
        u8                      reserved3[4];
        __be32                  last_acked_psn;
        __be32                  ssn;
        __be32                  params2;
        __be32                  rnr_nextrecvpsn;
        __be32                  xrcd;
        __be32                  cqn_recv;
        __be64                  db_rec_addr;
        __be32                  qkey;
        __be32                  rq_type_srqn;
        __be32                  rmsn;
        __be16                  hw_sq_wqe_counter;
        __be16                  sw_sq_wqe_counter;
        __be16                  hw_rcyclic_byte_counter;
        __be16                  hw_rq_counter;
        __be16                  sw_rcyclic_byte_counter;
        __be16                  sw_rq_counter;
        u8                      rsvd0[5];
        u8                      cgs;
        u8                      cs_req;
        u8                      cs_res;
        __be64                  dc_access_key;
        u8                      rsvd1[24];
};

struct mlx5_dct_context {
        u8                      state;
        u8                      rsvd0[7];
        __be32                  cqn;
        __be32                  flags;
        u8                      rsvd1;
        u8                      cs_res;
        u8                      min_rnr;
        u8                      rsvd2;
        __be32                  srqn;
        __be32                  pdn;
        __be32                  tclass_flow_label;
        __be64                  access_key;
        u8                      mtu;
        u8                      port;
        __be16                  pkey_index;
        u8                      rsvd4;
        u8                      mgid_index;
        u8                      rsvd5;
        u8                      hop_limit;
        __be32                  access_violations;
        u8                      rsvd[12];
};

static inline struct mlx5_core_qp *__mlx5_qp_lookup(struct mlx5_core_dev *dev, u32 qpn)
{
        return radix_tree_lookup(&dev->priv.qp_table.tree, qpn);
}

static inline struct mlx5_core_mkey *__mlx5_mr_lookup(struct mlx5_core_dev *dev, u32 key)
{
        return radix_tree_lookup(&dev->priv.mr_table.tree, key);
}

int mlx5_core_create_qp(struct mlx5_core_dev *dev,
                        struct mlx5_core_qp *qp,
                        u32 *in,
                        int inlen);
int mlx5_core_qp_modify(struct mlx5_core_dev *dev, u16 opcode,
                        u32 opt_param_mask, void *qpc,
                        struct mlx5_core_qp *qp);
int mlx5_core_destroy_qp(struct mlx5_core_dev *dev,
                         struct mlx5_core_qp *qp);
int mlx5_core_qp_query(struct mlx5_core_dev *dev, struct mlx5_core_qp *qp,
                       u32 *out, int outlen);
int mlx5_core_dct_query(struct mlx5_core_dev *dev, struct mlx5_core_dct *dct,
                        u32 *out, int outlen);
int mlx5_core_arm_dct(struct mlx5_core_dev *dev, struct mlx5_core_dct *dct);

int mlx5_core_xrcd_alloc(struct mlx5_core_dev *dev, u32 *xrcdn);
int mlx5_core_xrcd_dealloc(struct mlx5_core_dev *dev, u32 xrcdn);
int mlx5_core_create_dct(struct mlx5_core_dev *dev,
                         struct mlx5_core_dct *dct,
                         u32 *in, int inlen,
                         u32 *out, int outlen);
int mlx5_core_destroy_dct(struct mlx5_core_dev *dev,
                          struct mlx5_core_dct *dct);
int mlx5_core_create_rq_tracked(struct mlx5_core_dev *dev, u32 *in, int inlen,
                                struct mlx5_core_qp *rq);
void mlx5_core_destroy_rq_tracked(struct mlx5_core_dev *dev,
                                  struct mlx5_core_qp *rq);
int mlx5_core_create_sq_tracked(struct mlx5_core_dev *dev, u32 *in, int inlen,
                                struct mlx5_core_qp *sq);
void mlx5_core_destroy_sq_tracked(struct mlx5_core_dev *dev,
                                  struct mlx5_core_qp *sq);
void mlx5_init_qp_table(struct mlx5_core_dev *dev);
void mlx5_cleanup_qp_table(struct mlx5_core_dev *dev);
int mlx5_debug_qp_add(struct mlx5_core_dev *dev, struct mlx5_core_qp *qp);
void mlx5_debug_qp_remove(struct mlx5_core_dev *dev, struct mlx5_core_qp *qp);

static inline const char *mlx5_qp_type_str(int type)
{
        switch (type) {
        case MLX5_QP_ST_RC: return "RC";
        case MLX5_QP_ST_UC: return "C";
        case MLX5_QP_ST_UD: return "UD";
        case MLX5_QP_ST_XRC: return "XRC";
        case MLX5_QP_ST_MLX: return "MLX";
        case MLX5_QP_ST_DCI: return "DCI";
        case MLX5_QP_ST_QP0: return "QP0";
        case MLX5_QP_ST_QP1: return "QP1";
        case MLX5_QP_ST_RAW_ETHERTYPE: return "RAW_ETHERTYPE";
        case MLX5_QP_ST_RAW_IPV6: return "RAW_IPV6";
        case MLX5_QP_ST_SNIFFER: return "SNIFFER";
        case MLX5_QP_ST_SYNC_UMR: return "SYNC_UMR";
        case MLX5_QP_ST_PTP_1588: return "PTP_1588";
        case MLX5_QP_ST_REG_UMR: return "REG_UMR";
        case MLX5_QP_ST_SW_CNAK: return "DC_CNAK";
        default: return "Invalid transport type";
        }
}

static inline const char *mlx5_qp_state_str(int state)
{
        switch (state) {
        case MLX5_QP_STATE_RST:
        return "RST";
        case MLX5_QP_STATE_INIT:
        return "INIT";
        case MLX5_QP_STATE_RTR:
        return "RTR";
        case MLX5_QP_STATE_RTS:
        return "RTS";
        case MLX5_QP_STATE_SQER:
        return "SQER";
        case MLX5_QP_STATE_SQD:
        return "SQD";
        case MLX5_QP_STATE_ERR:
        return "ERR";
        case MLX5_QP_STATE_SQ_DRAINING:
        return "SQ_DRAINING";
        case MLX5_QP_STATE_SUSPENDED:
        return "SUSPENDED";
        default: return "Invalid QP state";
        }
}

#endif /* MLX5_QP_H */