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mlx5
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qp.h
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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 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 = 0x0, MLX5_SRQ_RQ = 0x1, MLX5_CRQ_RQ = 0x2, MLX5_ZERO_LEN_RQ = 0x3 }; /* TODO REM */ 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_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; __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, }; enum { MLX5_ETH_WQE_SVLAN = 1 << 0, MLX5_ETH_WQE_INSERT_VLAN = 1 << 15, }; enum { MLX5_ETH_WQE_SWP_INNER_L3_IPV6 = 1 << 0, MLX5_ETH_WQE_SWP_INNER_L4_UDP = 1 << 1, MLX5_ETH_WQE_SWP_OUTER_L3_IPV6 = 1 << 4, MLX5_ETH_WQE_SWP_OUTER_L4_UDP = 1 << 5, }; 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 rsvd2; union { struct { __be16 sz; u8 start[2]; } inline_hdr; struct { __be16 type; __be16 vlan_tci; } insert; }; }; 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_base_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; }; }; 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_ib_ah { struct ib_ah ibah; struct mlx5_av av; }; static inline struct mlx5_ib_ah *to_mah(struct ib_ah *ibah) { return container_of(ibah, struct mlx5_ib_ah, ibah); } 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 xlt_octowords; union { __be16 xlt_offset; __be16 bsf_octowords; }; __be64 mkey_mask; __be32 xlt_offset_47_16; u8 rsvd1[28]; }; 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_mtt { __be64 ptag; }; 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; }; 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_core_dct { struct mlx5_core_qp mqp; struct completion drained; }; 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]; }; /* FIXME: use mlx5_ifc.h qpc */ 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]; }; 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); } int mlx5_core_create_dct(struct mlx5_core_dev *dev, struct mlx5_core_dct *qp, u32 *in, int inlen, u32 *out, int outlen); 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_destroy_dct(struct mlx5_core_dev *dev, struct mlx5_core_dct *dct); 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_set_delay_drop(struct mlx5_core_dev *dev, u32 timeout_usec); 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); 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); struct mlx5_core_rsc_common *mlx5_core_res_hold(struct mlx5_core_dev *dev, int res_num, enum mlx5_res_type res_type); void mlx5_core_res_put(struct mlx5_core_rsc_common *res); 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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