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d3ae2bdeba
linux_dsm_epyc7002/include/linux/mlx5/qp.h
Noa Osherovich d3ae2bdeba IB/mlx5: Fix pkey_index length in the QP path record 
Pkey index fields in the QP context path record are extended to 16
bits, as required by IB spec (version 1.3).
This change affects all QP commands which include path records.

To enable this change, moved the free adaptive routing flag bit
(free_ar) to the most significant byte of the QP path record.

Fixes: e126ba97db ('mlx5: Add driver for Mellanox Connect-IB ...')
Signed-off-by: Noa Osherovich <noaos@mellanox.com>
Reviewed-by: Jack Morgenstein <jackm@dev.mellanox.co.il>
Signed-off-by: Leon Romanovsky <leon@kernel.org>
Signed-off-by: Doug Ledford <dledford@redhat.com>
2016-06-07 10:03:50 -04:00

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/*
* Copyright (c) 2013-2015, Mellanox Technologies. 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 MLX5_QP_H
#define MLX5_QP_H
#include <linux/mlx5/device.h>
#include <linux/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_QPN_BITS 24
#define MLX5_QPN_MASK ((1 << MLX5_QPN_BITS) - 1)
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_MAX
};
enum {
MLX5_QP_PM_MIGRATED = 0x3,
MLX5_QP_PM_ARMED = 0x0,
MLX5_QP_PM_REARM = 0x1
};
enum {
MLX5_NON_ZERO_RQ = 0 << 24,
MLX5_SRQ_RQ = 1 << 24,
MLX5_CRQ_RQ = 2 << 24,
MLX5_ZERO_LEN_RQ = 3 << 24
};
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_CC_SLAVE_RECV = 1 << 2,
MLX5_QP_BIT_CC_SLAVE_SEND = 1 << 1,
MLX5_QP_BIT_CC_MASTER = 1 << 0
};
enum {
MLX5_WQE_CTRL_CQ_UPDATE = 2 << 2,
MLX5_WQE_CTRL_CQ_UPDATE_AND_EQE = 3 << 2,
MLX5_WQE_CTRL_SOLICITED = 1 << 1,
};
enum {
MLX5_SEND_WQE_DS = 16,
MLX5_SEND_WQE_BB = 64,
};
#define MLX5_SEND_WQEBB_NUM_DS (MLX5_SEND_WQE_BB / MLX5_SEND_WQE_DS)
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 = 1 << 31
};
enum {
MLX5_FENCE_MODE_NONE = 0 << 5,
MLX5_FENCE_MODE_INITIATOR_SMALL = 1 << 5,
MLX5_FENCE_MODE_STRONG_ORDERING = 3 << 5,
MLX5_FENCE_MODE_SMALL_AND_FENCE = 4 << 5,
};
enum {
MLX5_QP_LAT_SENSITIVE = 1 << 28,
MLX5_QP_BLOCK_MCAST = 1 << 30,
MLX5_QP_ENABLE_SIG = 1 << 31,
};
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;
__be32 imm;
};
#define MLX5_WQE_CTRL_DS_MASK 0x3f
#define MLX5_WQE_CTRL_QPN_MASK 0xffffff00
#define MLX5_WQE_CTRL_QPN_SHIFT 8
#define MLX5_WQE_DS_UNITS 16
#define MLX5_WQE_CTRL_OPCODE_MASK 0xff
#define MLX5_WQE_CTRL_WQE_INDEX_MASK 0x00ffff00
#define MLX5_WQE_CTRL_WQE_INDEX_SHIFT 8
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,
};
struct mlx5_wqe_eth_seg {
u8 rsvd0[4];
u8 cs_flags;
u8 rsvd1;
__be16 mss;
__be32 rsvd2;
__be16 inline_hdr_sz;
u8 inline_hdr_start[2];
};
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_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];
};
#define MLX5_WQE_INLINE_SEG_BYTE_COUNT_MASK 0x3ff
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);
void (*pfault_handler)(struct mlx5_core_qp *, struct mlx5_pagefault *);
int qpn;
struct mlx5_rsc_debug *dbg;
int pid;
};
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_create_qp_mbox_in {
struct mlx5_inbox_hdr hdr;
__be32 input_qpn;
u8 rsvd0[4];
__be32 opt_param_mask;
u8 rsvd1[4];
struct mlx5_qp_context ctx;
u8 rsvd3[16];
__be64 pas[0];
};
struct mlx5_create_qp_mbox_out {
struct mlx5_outbox_hdr hdr;
__be32 qpn;
u8 rsvd0[4];
};
struct mlx5_destroy_qp_mbox_in {
struct mlx5_inbox_hdr hdr;
__be32 qpn;
u8 rsvd0[4];
};
struct mlx5_destroy_qp_mbox_out {
struct mlx5_outbox_hdr hdr;
u8 rsvd0[8];
};
struct mlx5_modify_qp_mbox_in {
struct mlx5_inbox_hdr hdr;
__be32 qpn;
u8 rsvd1[4];
__be32 optparam;
u8 rsvd0[4];
struct mlx5_qp_context ctx;
};
struct mlx5_modify_qp_mbox_out {
struct mlx5_outbox_hdr hdr;
u8 rsvd0[8];
};
struct mlx5_query_qp_mbox_in {
struct mlx5_inbox_hdr hdr;
__be32 qpn;
u8 rsvd[4];
};
struct mlx5_query_qp_mbox_out {
struct mlx5_outbox_hdr hdr;
u8 rsvd1[8];
__be32 optparam;
u8 rsvd0[4];
struct mlx5_qp_context ctx;
u8 rsvd2[16];
__be64 pas[0];
};
struct mlx5_conf_sqp_mbox_in {
struct mlx5_inbox_hdr hdr;
__be32 qpn;
u8 rsvd[3];
u8 type;
};
struct mlx5_conf_sqp_mbox_out {
struct mlx5_outbox_hdr hdr;
u8 rsvd[8];
};
struct mlx5_alloc_xrcd_mbox_in {
struct mlx5_inbox_hdr hdr;
u8 rsvd[8];
};
struct mlx5_alloc_xrcd_mbox_out {
struct mlx5_outbox_hdr hdr;
__be32 xrcdn;
u8 rsvd[4];
};
struct mlx5_dealloc_xrcd_mbox_in {
struct mlx5_inbox_hdr hdr;
__be32 xrcdn;
u8 rsvd[4];
};
struct mlx5_dealloc_xrcd_mbox_out {
struct mlx5_outbox_hdr hdr;
u8 rsvd[8];
};
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.mkey_table.tree, key);
}
struct mlx5_page_fault_resume_mbox_in {
struct mlx5_inbox_hdr hdr;
__be32 flags_qpn;
u8 reserved[4];
};
struct mlx5_page_fault_resume_mbox_out {
struct mlx5_outbox_hdr hdr;
u8 rsvd[8];
};
int mlx5_core_create_qp(struct mlx5_core_dev *dev,
struct mlx5_core_qp *qp,
struct mlx5_create_qp_mbox_in *in,
int inlen);
int mlx5_core_qp_modify(struct mlx5_core_dev *dev, u16 operation,
struct mlx5_modify_qp_mbox_in *in, int sqd_event,
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,
struct mlx5_query_qp_mbox_out *out, int outlen);
int mlx5_core_xrcd_alloc(struct mlx5_core_dev *dev, u32 *xrcdn);
int mlx5_core_xrcd_dealloc(struct mlx5_core_dev *dev, u32 xrcdn);
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);
#ifdef CONFIG_INFINIBAND_ON_DEMAND_PAGING
int mlx5_core_page_fault_resume(struct mlx5_core_dev *dev, u32 qpn,
u8 context, int error);
#endif
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);
int mlx5_core_alloc_q_counter(struct mlx5_core_dev *dev, u16 *counter_id);
int mlx5_core_dealloc_q_counter(struct mlx5_core_dev *dev, u16 counter_id);
int mlx5_core_query_q_counter(struct mlx5_core_dev *dev, u16 counter_id,
int reset, void *out, int out_size);
int mlx5_core_query_out_of_buffer(struct mlx5_core_dev *dev, u16 counter_id,
u32 *out_of_buffer);
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_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";
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 */
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