drivers/infiniband/hw/ocrdma/ocrdma_hw.h

   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__ */