1 /******************************************************************* 2 * This file is part of the Emulex RoCE Device Driver for * 3 * RoCE (RDMA over Converged Ethernet) CNA Adapters. * 4 * Copyright (C) 2008-2012 Emulex. All rights reserved. * 5 * EMULEX and SLI are trademarks of Emulex. * 6 * www.emulex.com * 7 * * 8 * This program is free software; you can redistribute it and/or * 9 * modify it under the terms of version 2 of the GNU General * 10 * Public License as published by the Free Software Foundation. * 11 * This program is distributed in the hope that it will be useful. * 12 * ALL EXPRESS OR IMPLIED CONDITIONS, REPRESENTATIONS AND * 13 * WARRANTIES, INCLUDING ANY IMPLIED WARRANTY OF MERCHANTABILITY, * 14 * FITNESS FOR A PARTICULAR PURPOSE, OR NON-INFRINGEMENT, ARE * 15 * DISCLAIMED, EXCEPT TO THE EXTENT THAT SUCH DISCLAIMERS ARE HELD * 16 * TO BE LEGALLY INVALID. See the GNU General Public License for * 17 * more details, a copy of which can be found in the file COPYING * 18 * included with this package. * 19 * 20 * Contact Information: 21 * linux-drivers@emulex.com 22 * 23 * Emulex 24 * 3333 Susan Street 25 * Costa Mesa, CA 92626 26 *******************************************************************/ 27 28 #ifndef __OCRDMA_HW_H__ 29 #define __OCRDMA_HW_H__ 30 31 #include "ocrdma_sli.h" 32 33 static inline void ocrdma_cpu_to_le32(void *dst, u32 len) 34 { 35 #ifdef __BIG_ENDIAN 36 int i = 0; 37 u32 *src_ptr = dst; 38 u32 *dst_ptr = dst; 39 for (; i < (len / 4); i++) 40 *(dst_ptr + i) = cpu_to_le32p(src_ptr + i); 41 #endif 42 } 43 44 static inline void ocrdma_le32_to_cpu(void *dst, u32 len) 45 { 46 #ifdef __BIG_ENDIAN 47 int i = 0; 48 u32 *src_ptr = dst; 49 u32 *dst_ptr = dst; 50 for (; i < (len / sizeof(u32)); i++) 51 *(dst_ptr + i) = le32_to_cpu(*(src_ptr + i)); 52 #endif 53 } 54 55 static inline void ocrdma_copy_cpu_to_le32(void *dst, void *src, u32 len) 56 { 57 #ifdef __BIG_ENDIAN 58 int i = 0; 59 u32 *src_ptr = src; 60 u32 *dst_ptr = dst; 61 for (; i < (len / sizeof(u32)); i++) 62 *(dst_ptr + i) = cpu_to_le32p(src_ptr + i); 63 #else 64 memcpy(dst, src, len); 65 #endif 66 } 67 68 static inline void ocrdma_copy_le32_to_cpu(void *dst, void *src, u32 len) 69 { 70 #ifdef __BIG_ENDIAN 71 int i = 0; 72 u32 *src_ptr = src; 73 u32 *dst_ptr = dst; 74 for (; i < len / sizeof(u32); i++) 75 *(dst_ptr + i) = le32_to_cpu(*(src_ptr + i)); 76 #else 77 memcpy(dst, src, len); 78 #endif 79 } 80 81 int ocrdma_init_hw(struct ocrdma_dev *); 82 void ocrdma_cleanup_hw(struct ocrdma_dev *); 83 84 enum ib_qp_state get_ibqp_state(enum ocrdma_qp_state qps); 85 void ocrdma_ring_cq_db(struct ocrdma_dev *, u16 cq_id, bool armed, 86 bool solicited, u16 cqe_popped); 87 88 /* verbs specific mailbox commands */ 89 int ocrdma_query_config(struct ocrdma_dev *, 90 struct ocrdma_mbx_query_config *config); 91 int ocrdma_resolve_dgid(struct ocrdma_dev *, union ib_gid *dgid, u8 *mac_addr); 92 93 int ocrdma_mbx_alloc_pd(struct ocrdma_dev *, struct ocrdma_pd *); 94 int ocrdma_mbx_dealloc_pd(struct ocrdma_dev *, struct ocrdma_pd *); 95 96 int ocrdma_mbx_alloc_lkey(struct ocrdma_dev *, struct ocrdma_hw_mr *hwmr, 97 u32 pd_id, int addr_check); 98 int ocrdma_mbx_dealloc_lkey(struct ocrdma_dev *, int fmr, u32 lkey); 99 100 int ocrdma_reg_mr(struct ocrdma_dev *, struct ocrdma_hw_mr *hwmr, 101 u32 pd_id, int acc); 102 int ocrdma_mbx_create_cq(struct ocrdma_dev *, struct ocrdma_cq *, 103 int entries, int dpp_cq); 104 int ocrdma_mbx_destroy_cq(struct ocrdma_dev *, struct ocrdma_cq *); 105 106 int ocrdma_mbx_create_qp(struct ocrdma_qp *, struct ib_qp_init_attr *attrs, 107 u8 enable_dpp_cq, u16 dpp_cq_id, u16 *dpp_offset, 108 u16 *dpp_credit_lmt); 109 int ocrdma_mbx_modify_qp(struct ocrdma_dev *, struct ocrdma_qp *, 110 struct ib_qp_attr *attrs, int attr_mask, 111 enum ib_qp_state old_qps); 112 int ocrdma_mbx_query_qp(struct ocrdma_dev *, struct ocrdma_qp *, 113 struct ocrdma_qp_params *param); 114 int ocrdma_mbx_destroy_qp(struct ocrdma_dev *, struct ocrdma_qp *); 115 116 int ocrdma_mbx_create_srq(struct ocrdma_srq *, 117 struct ib_srq_init_attr *, 118 struct ocrdma_pd *); 119 int ocrdma_mbx_modify_srq(struct ocrdma_srq *, struct ib_srq_attr *); 120 int ocrdma_mbx_query_srq(struct ocrdma_srq *, struct ib_srq_attr *); 121 int ocrdma_mbx_destroy_srq(struct ocrdma_dev *, struct ocrdma_srq *); 122 123 int ocrdma_alloc_av(struct ocrdma_dev *, struct ocrdma_ah *); 124 int ocrdma_free_av(struct ocrdma_dev *, struct ocrdma_ah *); 125 126 int ocrdma_qp_state_machine(struct ocrdma_qp *, enum ib_qp_state new_state, 127 enum ib_qp_state *old_ib_state); 128 bool ocrdma_is_qp_in_sq_flushlist(struct ocrdma_cq *, struct ocrdma_qp *); 129 bool ocrdma_is_qp_in_rq_flushlist(struct ocrdma_cq *, struct ocrdma_qp *); 130 void ocrdma_flush_qp(struct ocrdma_qp *); 131 132 #endif /* __OCRDMA_HW_H__ */ 133