/*
 * Broadcom NetXtreme-E RoCE driver.
 *
 * Copyright (c) 2016 - 2017, Broadcom. All rights reserved.  The term
 * Broadcom refers to Broadcom Limited and/or its subsidiaries.
 *
 * 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
 * BSD license below:
 *
 * 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 THE 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 THE 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.
 *
 * Description: Slow Path Operators (header)
 *
 */

#ifndef __BNXT_QPLIB_SP_H__
#define __BNXT_QPLIB_SP_H__

#include <rdma/bnxt_re-abi.h>
#define BNXT_QPLIB_RESERVED_QP_WRS      128

struct bnxt_qplib_dev_attr {
#define FW_VER_ARR_LEN                  4
        u8                              fw_ver[FW_VER_ARR_LEN];
#define BNXT_QPLIB_NUM_GIDS_SUPPORTED   256
        u16                             max_sgid;
        u16                             max_mrw;
        u32                             max_qp;
#define BNXT_QPLIB_MAX_OUT_RD_ATOM      126
        u32                             max_qp_rd_atom;
        u32                             max_qp_init_rd_atom;
        u32                             max_qp_wqes;
        u32                             max_qp_sges;
        u32                             max_cq;
#define BNXT_QPLIB_MAX_CQ_WQES          0xfffff
        u32                             max_cq_wqes;
        u32                             max_cq_sges;
        u32                             max_mr;
        u64                             max_mr_size;
        u32                             max_pd;
        u32                             max_mw;
        u32                             max_raw_ethy_qp;
        u32                             max_ah;
        u32                             max_srq;
        u32                             max_srq_wqes;
        u32                             max_srq_sges;
        u32                             max_pkey;
        u32                             max_inline_data;
        u32                             l2_db_size;
        u8                              tqm_alloc_reqs[MAX_TQM_ALLOC_REQ];
        bool                            is_atomic;
        u16                             dev_cap_flags;
        u16                             dev_cap_flags2;
        u32                             max_dpi;
        u16                             rate_limit_min;
        u32                             rate_limit_max;
};

struct bnxt_qplib_pd {
        u32                             id;
};

struct bnxt_qplib_gid {
        u8                              data[16];
};

struct bnxt_qplib_gid_info {
        struct bnxt_qplib_gid gid;
        u16 vlan_id;
};

struct bnxt_qplib_ah {
        struct bnxt_qplib_gid           dgid;
        struct bnxt_qplib_pd            *pd;
        u32                             id;
        u8                              sgid_index;
        /* For Query AH if the hw table and SW table are differnt */
        u8                              host_sgid_index;
        u8                              traffic_class;
        u32                             flow_label;
        u8                              hop_limit;
        u8                              sl;
        u8                              dmac[6];
        u16                             vlan_id;
        u8                              nw_type;
};

struct bnxt_qplib_mrw {
        struct bnxt_qplib_pd            *pd;
        int                             type;
        u32                             access_flags;
#define BNXT_QPLIB_MR_ACCESS_MASK       0xFF
#define BNXT_QPLIB_FR_PMR               0x80000000
        u32                             lkey;
        u32                             rkey;
#define BNXT_QPLIB_RSVD_LKEY            0xFFFFFFFF
        u64                             va;
        u64                             total_size;
        u32                             npages;
        u16                             flags;
        u64                             mr_handle;
        struct bnxt_qplib_hwq           hwq;
};

struct bnxt_qplib_frpl {
        int                             max_pg_ptrs;
        struct bnxt_qplib_hwq           hwq;
};

#define BNXT_QPLIB_ACCESS_LOCAL_WRITE   BIT(0)
#define BNXT_QPLIB_ACCESS_REMOTE_READ   BIT(1)
#define BNXT_QPLIB_ACCESS_REMOTE_WRITE  BIT(2)
#define BNXT_QPLIB_ACCESS_REMOTE_ATOMIC BIT(3)
#define BNXT_QPLIB_ACCESS_MW_BIND       BIT(4)
#define BNXT_QPLIB_ACCESS_ZERO_BASED    BIT(5)
#define BNXT_QPLIB_ACCESS_ON_DEMAND     BIT(6)

struct bnxt_qplib_roce_stats {
        u64 to_retransmits;
        u64 seq_err_naks_rcvd;
        /* seq_err_naks_rcvd is 64 b */
        u64 max_retry_exceeded;
        /* max_retry_exceeded is 64 b */
        u64 rnr_naks_rcvd;
        /* rnr_naks_rcvd is 64 b */
        u64 missing_resp;
        u64 unrecoverable_err;
        /* unrecoverable_err is 64 b */
        u64 bad_resp_err;
        /* bad_resp_err is 64 b */
        u64 local_qp_op_err;
        /* local_qp_op_err is 64 b */
        u64 local_protection_err;
        /* local_protection_err is 64 b */
        u64 mem_mgmt_op_err;
        /* mem_mgmt_op_err is 64 b */
        u64 remote_invalid_req_err;
        /* remote_invalid_req_err is 64 b */
        u64 remote_access_err;
        /* remote_access_err is 64 b */
        u64 remote_op_err;
        /* remote_op_err is 64 b */
        u64 dup_req;
        /* dup_req is 64 b */
        u64 res_exceed_max;
        /* res_exceed_max is 64 b */
        u64 res_length_mismatch;
        /* res_length_mismatch is 64 b */
        u64 res_exceeds_wqe;
        /* res_exceeds_wqe is 64 b */
        u64 res_opcode_err;
        /* res_opcode_err is 64 b */
        u64 res_rx_invalid_rkey;
        /* res_rx_invalid_rkey is 64 b */
        u64 res_rx_domain_err;
        /* res_rx_domain_err is 64 b */
        u64 res_rx_no_perm;
        /* res_rx_no_perm is 64 b */
        u64 res_rx_range_err;
        /* res_rx_range_err is 64 b */
        u64 res_tx_invalid_rkey;
        /* res_tx_invalid_rkey is 64 b */
        u64 res_tx_domain_err;
        /* res_tx_domain_err is 64 b */
        u64 res_tx_no_perm;
        /* res_tx_no_perm is 64 b */
        u64 res_tx_range_err;
        /* res_tx_range_err is 64 b */
        u64 res_irrq_oflow;
        /* res_irrq_oflow is 64 b */
        u64 res_unsup_opcode;
        /* res_unsup_opcode is 64 b */
        u64 res_unaligned_atomic;
        /* res_unaligned_atomic is 64 b */
        u64 res_rem_inv_err;
        /* res_rem_inv_err is 64 b */
        u64 res_mem_error;
        /* res_mem_error is 64 b */
        u64 res_srq_err;
        /* res_srq_err is 64 b */
        u64 res_cmp_err;
        /* res_cmp_err is 64 b */
        u64 res_invalid_dup_rkey;
        /* res_invalid_dup_rkey is 64 b */
        u64 res_wqe_format_err;
        /* res_wqe_format_err is 64 b */
        u64 res_cq_load_err;
        /* res_cq_load_err is 64 b */
        u64 res_srq_load_err;
        /* res_srq_load_err is 64 b */
        u64 res_tx_pci_err;
        /* res_tx_pci_err is 64 b */
        u64 res_rx_pci_err;
        /* res_rx_pci_err is 64 b */
        u64 res_oos_drop_count;
        /* res_oos_drop_count */
        u64     active_qp_count_p0;
        /* port 0 active qps */
        u64     active_qp_count_p1;
        /* port 1 active qps */
        u64     active_qp_count_p2;
        /* port 2 active qps */
        u64     active_qp_count_p3;
        /* port 3 active qps */
};

struct bnxt_qplib_ext_stat {
        u64  tx_atomic_req;
        u64  tx_read_req;
        u64  tx_read_res;
        u64  tx_write_req;
        u64  tx_send_req;
        u64  tx_roce_pkts;
        u64  tx_roce_bytes;
        u64  rx_atomic_req;
        u64  rx_read_req;
        u64  rx_read_res;
        u64  rx_write_req;
        u64  rx_send_req;
        u64  rx_roce_pkts;
        u64  rx_roce_bytes;
        u64  rx_roce_good_pkts;
        u64  rx_roce_good_bytes;
        u64  rx_out_of_buffer;
        u64  rx_out_of_sequence;
        u64  tx_cnp;
        u64  rx_cnp;
        u64  rx_ecn_marked;
};

struct bnxt_qplib_cc_param_ext {
        u64 ext_mask;
        u16 inact_th_hi;
        u16 min_delta_cnp;
        u16 init_cp;
        u8 tr_update_mode;
        u8 tr_update_cyls;
        u8 fr_rtt;
        u8 ai_rate_incr;
        u16 rr_rtt_th;
        u16 ar_cr_th;
        u16 cr_min_th;
        u8 bw_avg_weight;
        u8 cr_factor;
        u16 cr_th_max_cp;
        u8 cp_bias_en;
        u8 cp_bias;
        u8 cnp_ecn;
        u8 rtt_jitter_en;
        u16 bytes_per_usec;
        u16 cc_cr_reset_th;
        u8 cr_width;
        u8 min_quota;
        u8 max_quota;
        u8 abs_max_quota;
        u16 tr_lb;
        u8 cr_prob_fac;
        u8 tr_prob_fac;
        u16 fair_cr_th;
        u8 red_div;
        u8 cnp_ratio_th;
        u16 ai_ext_rtt;
        u8 exp_crcp_ratio;
        u8 low_rate_en;
        u16 cpcr_update_th;
        u16 ai_rtt_th1;
        u16 ai_rtt_th2;
        u16 cf_rtt_th;
        u16 sc_cr_th1; /* severe congestion cr threshold 1 */
        u16 sc_cr_th2; /* severe congestion cr threshold 2 */
        u32 l64B_per_rtt;
        u8 cc_ack_bytes;
        u16 reduce_cf_rtt_th;
};

struct bnxt_qplib_cc_param {
        u8 alt_vlan_pcp;
        u8 qp1_tos_dscp;
        u16 alt_tos_dscp;
        u8 cc_mode;
        u8 enable;
        u16 inact_th;
        u16 init_cr;
        u16 init_tr;
        u16 rtt;
        u8 g;
        u8 nph_per_state;
        u8 time_pph;
        u8 pkts_pph;
        u8 tos_ecn;
        u8 tos_dscp;
        u16 tcp_cp;
        struct bnxt_qplib_cc_param_ext cc_ext;
        u32 mask;
};

int bnxt_qplib_get_sgid(struct bnxt_qplib_res *res,
                        struct bnxt_qplib_sgid_tbl *sgid_tbl, int index,
                        struct bnxt_qplib_gid *gid);
int bnxt_qplib_del_sgid(struct bnxt_qplib_sgid_tbl *sgid_tbl,
                        struct bnxt_qplib_gid *gid, u16 vlan_id, bool update);
int bnxt_qplib_add_sgid(struct bnxt_qplib_sgid_tbl *sgid_tbl,
                        struct bnxt_qplib_gid *gid, const u8 *mac, u16 vlan_id,
                        bool update, u32 *index,
                        bool is_ugid, u32 stats_ctx_id);
int bnxt_qplib_update_sgid(struct bnxt_qplib_sgid_tbl *sgid_tbl,
                           struct bnxt_qplib_gid *gid, u16 gid_idx,
                           const u8 *smac);
int bnxt_qplib_get_dev_attr(struct bnxt_qplib_rcfw *rcfw);
int bnxt_qplib_set_func_resources(struct bnxt_qplib_res *res,
                                  struct bnxt_qplib_rcfw *rcfw,
                                  struct bnxt_qplib_ctx *ctx);
int bnxt_qplib_create_ah(struct bnxt_qplib_res *res, struct bnxt_qplib_ah *ah,
                         bool block);
int bnxt_qplib_destroy_ah(struct bnxt_qplib_res *res, struct bnxt_qplib_ah *ah,
                          bool block);
int bnxt_qplib_alloc_mrw(struct bnxt_qplib_res *res,
                         struct bnxt_qplib_mrw *mrw);
int bnxt_qplib_dereg_mrw(struct bnxt_qplib_res *res, struct bnxt_qplib_mrw *mrw,
                         bool block);
int bnxt_qplib_reg_mr(struct bnxt_qplib_res *res, struct bnxt_qplib_mrw *mr,
                      struct ib_umem *umem, int num_pbls, u32 buf_pg_size, bool unified_mr);
int bnxt_qplib_free_mrw(struct bnxt_qplib_res *res, struct bnxt_qplib_mrw *mr);
int bnxt_qplib_alloc_fast_reg_mr(struct bnxt_qplib_res *res,
                                 struct bnxt_qplib_mrw *mr, int max);
int bnxt_qplib_alloc_fast_reg_page_list(struct bnxt_qplib_res *res,
                                        struct bnxt_qplib_frpl *frpl, int max);
int bnxt_qplib_free_fast_reg_page_list(struct bnxt_qplib_res *res,
                                       struct bnxt_qplib_frpl *frpl);
int bnxt_qplib_get_roce_stats(struct bnxt_qplib_rcfw *rcfw,
                              struct bnxt_qplib_roce_stats *stats);
int bnxt_qplib_qext_stat(struct bnxt_qplib_rcfw *rcfw, u32 fid,
                         struct bnxt_qplib_ext_stat *estat);
int bnxt_qplib_modify_cc(struct bnxt_qplib_res *res,
                         struct bnxt_qplib_cc_param *cc_param);
int bnxt_qplib_read_context(struct bnxt_qplib_rcfw *rcfw, u8 type, u32 xid,
                            u32 resp_size, void *resp_va);
int bnxt_qplib_query_cc_param(struct bnxt_qplib_res *res,
                              struct bnxt_qplib_cc_param *cc_param);
void bnxt_qplib_query_version(struct bnxt_qplib_rcfw *rcfw);
int bnxt_qplib_create_flow(struct bnxt_qplib_res *res);
int bnxt_qplib_destroy_flow(struct bnxt_qplib_res *res);

#define BNXT_VAR_MAX_WQE       4352
#define BNXT_VAR_MAX_SLOT_ALIGN 256
#define BNXT_VAR_MAX_SGE        13
#define BNXT_RE_MAX_RQ_WQES     65536

#define BNXT_STATIC_MAX_SGE     6

#endif /* __BNXT_QPLIB_SP_H__*/