1 /* This file is part of the Emulex RoCE Device Driver for 2 * 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.com 6 * 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 Public 9 * License (GPL) Version 2, available from the file COPYING in the main 10 * directory of this source tree, or the BSD license below: 11 * 12 * Redistribution and use in source and binary forms, with or without 13 * modification, are permitted provided that the following conditions 14 * 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 copyright 20 * notice, this list of conditions and the following disclaimer in 21 * 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,THE 25 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 26 * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE 27 * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR 28 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF 29 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR 30 * BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, 31 * WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR 32 * OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF 33 * ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 34 * 35 * Contact Information: 36 * linux-drivers@emulex.com 37 * 38 * Emulex 39 * 3333 Susan Street 40 * Costa Mesa, CA 92626 41 */ 42 43 #ifndef __OCRDMA_HW_H__ 44 #define __OCRDMA_HW_H__ 45 46 #include "ocrdma_sli.h" 47 48 static inline void ocrdma_cpu_to_le32(void *dst, u32 len) 49 { 50 #ifdef __BIG_ENDIAN 51 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 #endif 57 } 58 59 static inline void ocrdma_le32_to_cpu(void *dst, u32 len) 60 { 61 #ifdef __BIG_ENDIAN 62 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 #endif 68 } 69 70 static inline void ocrdma_copy_cpu_to_le32(void *dst, void *src, u32 len) 71 { 72 #ifdef __BIG_ENDIAN 73 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 #else 79 memcpy(dst, src, len); 80 #endif 81 } 82 83 static inline void ocrdma_copy_le32_to_cpu(void *dst, void *src, u32 len) 84 { 85 #ifdef __BIG_ENDIAN 86 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 #else 92 memcpy(dst, src, len); 93 #endif 94 } 95 96 static 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 } 100 101 int ocrdma_init_hw(struct ocrdma_dev *); 102 void ocrdma_cleanup_hw(struct ocrdma_dev *); 103 104 enum ib_qp_state get_ibqp_state(enum ocrdma_qp_state qps); 105 void ocrdma_ring_cq_db(struct ocrdma_dev *, u16 cq_id, bool armed, 106 bool solicited, u16 cqe_popped); 107 108 /* verbs specific mailbox commands */ 109 int ocrdma_mbx_get_link_speed(struct ocrdma_dev *dev, u8 *lnk_speed, 110 u8 *lnk_st); 111 int ocrdma_query_config(struct ocrdma_dev *, 112 struct ocrdma_mbx_query_config *config); 113 114 int ocrdma_mbx_alloc_pd(struct ocrdma_dev *, struct ocrdma_pd *); 115 int ocrdma_mbx_dealloc_pd(struct ocrdma_dev *, struct ocrdma_pd *); 116 117 int ocrdma_mbx_alloc_lkey(struct ocrdma_dev *, struct ocrdma_hw_mr *hwmr, 118 u32 pd_id, int addr_check); 119 int ocrdma_mbx_dealloc_lkey(struct ocrdma_dev *, int fmr, u32 lkey); 120 121 int ocrdma_reg_mr(struct ocrdma_dev *, struct ocrdma_hw_mr *hwmr, 122 u32 pd_id, int acc); 123 int ocrdma_mbx_create_cq(struct ocrdma_dev *, struct ocrdma_cq *, 124 int entries, int dpp_cq, u16 pd_id); 125 void ocrdma_mbx_destroy_cq(struct ocrdma_dev *dev, struct ocrdma_cq *cq); 126 127 int 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); 130 int ocrdma_mbx_modify_qp(struct ocrdma_dev *, struct ocrdma_qp *, 131 struct ib_qp_attr *attrs, int attr_mask); 132 int ocrdma_mbx_query_qp(struct ocrdma_dev *, struct ocrdma_qp *, 133 struct ocrdma_qp_params *param); 134 int ocrdma_mbx_destroy_qp(struct ocrdma_dev *, struct ocrdma_qp *); 135 int ocrdma_mbx_create_srq(struct ocrdma_dev *, struct ocrdma_srq *, 136 struct ib_srq_init_attr *, 137 struct ocrdma_pd *); 138 int ocrdma_mbx_modify_srq(struct ocrdma_srq *, struct ib_srq_attr *); 139 int ocrdma_mbx_query_srq(struct ocrdma_srq *, struct ib_srq_attr *); 140 void ocrdma_mbx_destroy_srq(struct ocrdma_dev *dev, struct ocrdma_srq *srq); 141 142 int ocrdma_alloc_av(struct ocrdma_dev *dev, struct ocrdma_ah *ah); 143 void ocrdma_free_av(struct ocrdma_dev *dev, struct ocrdma_ah *ah); 144 145 int ocrdma_qp_state_change(struct ocrdma_qp *, enum ib_qp_state new_state, 146 enum ib_qp_state *old_ib_state); 147 bool ocrdma_is_qp_in_sq_flushlist(struct ocrdma_cq *, struct ocrdma_qp *); 148 bool ocrdma_is_qp_in_rq_flushlist(struct ocrdma_cq *, struct ocrdma_qp *); 149 void ocrdma_flush_qp(struct ocrdma_qp *); 150 int ocrdma_get_irq(struct ocrdma_dev *dev, struct ocrdma_eq *eq); 151 152 int ocrdma_mbx_rdma_stats(struct ocrdma_dev *, bool reset); 153 char *port_speed_string(struct ocrdma_dev *dev); 154 void ocrdma_init_service_level(struct ocrdma_dev *); 155 void ocrdma_alloc_pd_pool(struct ocrdma_dev *dev); 156 void ocrdma_free_pd_range(struct ocrdma_dev *dev); 157 void ocrdma_update_link_state(struct ocrdma_dev *dev, u8 lstate); 158 159 #endif /* __OCRDMA_HW_H__ */ 160