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1/* This file is part of the Emulex RoCE Device Driver for2 * RoCE (RDMA over Converged Ethernet) adapters.3 * Copyright (C) 2012-2015 Emulex. All rights reserved.4 * EMULEX and SLI are trademarks of Emulex.5 * www.emulex.com6 *7 * This software is available to you under a choice of one of two licenses.8 * You may choose to be licensed under the terms of the GNU General Public9 * License (GPL) Version 2, available from the file COPYING in the main10 * directory of this source tree, or the BSD license below:11 *12 * Redistribution and use in source and binary forms, with or without13 * modification, are permitted provided that the following conditions14 * are met:15 *16 * - Redistributions of source code must retain the above copyright notice,17 * this list of conditions and the following disclaimer.18 *19 * - Redistributions in binary form must reproduce the above copyright20 * notice, this list of conditions and the following disclaimer in21 * the documentation and/or other materials provided with the distribution.22 *23 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"24 * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO,THE25 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE26 * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE27 * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR28 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF29 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR30 * BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,31 * WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR32 * OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF33 * ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.34 *35 * Contact Information:36 * linux-drivers@emulex.com37 *38 * Emulex39 * 3333 Susan Street40 * Costa Mesa, CA 9262641 */42 43#ifndef __OCRDMA_HW_H__44#define __OCRDMA_HW_H__45 46#include "ocrdma_sli.h"47 48static inline void ocrdma_cpu_to_le32(void *dst, u32 len)49{50#ifdef __BIG_ENDIAN51 int i = 0;52 u32 *src_ptr = dst;53 u32 *dst_ptr = dst;54 for (; i < (len / 4); i++)55 *(dst_ptr + i) = cpu_to_le32p(src_ptr + i);56#endif57}58 59static inline void ocrdma_le32_to_cpu(void *dst, u32 len)60{61#ifdef __BIG_ENDIAN62 int i = 0;63 u32 *src_ptr = dst;64 u32 *dst_ptr = dst;65 for (; i < (len / sizeof(u32)); i++)66 *(dst_ptr + i) = le32_to_cpu(*(src_ptr + i));67#endif68}69 70static inline void ocrdma_copy_cpu_to_le32(void *dst, void *src, u32 len)71{72#ifdef __BIG_ENDIAN73 int i = 0;74 u32 *src_ptr = src;75 u32 *dst_ptr = dst;76 for (; i < (len / sizeof(u32)); i++)77 *(dst_ptr + i) = cpu_to_le32p(src_ptr + i);78#else79 memcpy(dst, src, len);80#endif81}82 83static inline void ocrdma_copy_le32_to_cpu(void *dst, void *src, u32 len)84{85#ifdef __BIG_ENDIAN86 int i = 0;87 u32 *src_ptr = src;88 u32 *dst_ptr = dst;89 for (; i < len / sizeof(u32); i++)90 *(dst_ptr + i) = le32_to_cpu(*(src_ptr + i));91#else92 memcpy(dst, src, len);93#endif94}95 96static inline u64 ocrdma_get_db_addr(struct ocrdma_dev *dev, u32 pdid)97{98 return dev->nic_info.unmapped_db + (pdid * dev->nic_info.db_page_size);99}100 101int ocrdma_init_hw(struct ocrdma_dev *);102void ocrdma_cleanup_hw(struct ocrdma_dev *);103 104enum ib_qp_state get_ibqp_state(enum ocrdma_qp_state qps);105void ocrdma_ring_cq_db(struct ocrdma_dev *, u16 cq_id, bool armed,106 bool solicited, u16 cqe_popped);107 108/* verbs specific mailbox commands */109int ocrdma_mbx_get_link_speed(struct ocrdma_dev *dev, u8 *lnk_speed,110 u8 *lnk_st);111int ocrdma_query_config(struct ocrdma_dev *,112 struct ocrdma_mbx_query_config *config);113 114int ocrdma_mbx_alloc_pd(struct ocrdma_dev *, struct ocrdma_pd *);115int ocrdma_mbx_dealloc_pd(struct ocrdma_dev *, struct ocrdma_pd *);116 117int ocrdma_mbx_alloc_lkey(struct ocrdma_dev *, struct ocrdma_hw_mr *hwmr,118 u32 pd_id, int addr_check);119int ocrdma_mbx_dealloc_lkey(struct ocrdma_dev *, int fmr, u32 lkey);120 121int ocrdma_reg_mr(struct ocrdma_dev *, struct ocrdma_hw_mr *hwmr,122 u32 pd_id, int acc);123int ocrdma_mbx_create_cq(struct ocrdma_dev *, struct ocrdma_cq *,124 int entries, int dpp_cq, u16 pd_id);125void ocrdma_mbx_destroy_cq(struct ocrdma_dev *dev, struct ocrdma_cq *cq);126 127int ocrdma_mbx_create_qp(struct ocrdma_qp *, struct ib_qp_init_attr *attrs,128 u8 enable_dpp_cq, u16 dpp_cq_id, u16 *dpp_offset,129 u16 *dpp_credit_lmt);130int ocrdma_mbx_modify_qp(struct ocrdma_dev *, struct ocrdma_qp *,131 struct ib_qp_attr *attrs, int attr_mask);132int ocrdma_mbx_query_qp(struct ocrdma_dev *, struct ocrdma_qp *,133 struct ocrdma_qp_params *param);134int ocrdma_mbx_destroy_qp(struct ocrdma_dev *, struct ocrdma_qp *);135int ocrdma_mbx_create_srq(struct ocrdma_dev *, struct ocrdma_srq *,136 struct ib_srq_init_attr *,137 struct ocrdma_pd *);138int ocrdma_mbx_modify_srq(struct ocrdma_srq *, struct ib_srq_attr *);139int ocrdma_mbx_query_srq(struct ocrdma_srq *, struct ib_srq_attr *);140void ocrdma_mbx_destroy_srq(struct ocrdma_dev *dev, struct ocrdma_srq *srq);141 142int ocrdma_alloc_av(struct ocrdma_dev *dev, struct ocrdma_ah *ah);143void ocrdma_free_av(struct ocrdma_dev *dev, struct ocrdma_ah *ah);144 145int ocrdma_qp_state_change(struct ocrdma_qp *, enum ib_qp_state new_state,146 enum ib_qp_state *old_ib_state);147bool ocrdma_is_qp_in_sq_flushlist(struct ocrdma_cq *, struct ocrdma_qp *);148bool ocrdma_is_qp_in_rq_flushlist(struct ocrdma_cq *, struct ocrdma_qp *);149void ocrdma_flush_qp(struct ocrdma_qp *);150int ocrdma_get_irq(struct ocrdma_dev *dev, struct ocrdma_eq *eq);151 152int ocrdma_mbx_rdma_stats(struct ocrdma_dev *, bool reset);153char *port_speed_string(struct ocrdma_dev *dev);154void ocrdma_init_service_level(struct ocrdma_dev *);155void ocrdma_alloc_pd_pool(struct ocrdma_dev *dev);156void ocrdma_free_pd_range(struct ocrdma_dev *dev);157void ocrdma_update_link_state(struct ocrdma_dev *dev, u8 lstate);158 159#endif /* __OCRDMA_HW_H__ */160