LXR linux/drivers/infiniband/hw/ocrdma/ocrdma

   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
  33static 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
  44static 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
  55static 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
  68static 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
  81int ocrdma_init_hw(struct ocrdma_dev *);
  82void ocrdma_cleanup_hw(struct ocrdma_dev *);
  83
  84enum ib_qp_state get_ibqp_state(enum ocrdma_qp_state qps);
  85void ocrdma_ring_cq_db(struct ocrdma_dev *, u16 cq_id, bool armed,
  86                       bool solicited, u16 cqe_popped);
  87
  88/* verbs specific mailbox commands */
  89int ocrdma_query_config(struct ocrdma_dev *,
  90                        struct ocrdma_mbx_query_config *config);
  91int ocrdma_resolve_dgid(struct ocrdma_dev *, union ib_gid *dgid, u8 *mac_addr);
  92
  93int ocrdma_mbx_alloc_pd(struct ocrdma_dev *, struct ocrdma_pd *);
  94int ocrdma_mbx_dealloc_pd(struct ocrdma_dev *, struct ocrdma_pd *);
  95
  96int ocrdma_mbx_alloc_lkey(struct ocrdma_dev *, struct ocrdma_hw_mr *hwmr,
  97                          u32 pd_id, int addr_check);
  98int ocrdma_mbx_dealloc_lkey(struct ocrdma_dev *, int fmr, u32 lkey);
  99
 100int ocrdma_reg_mr(struct ocrdma_dev *, struct ocrdma_hw_mr *hwmr,
 101                        u32 pd_id, int acc);
 102int ocrdma_mbx_create_cq(struct ocrdma_dev *, struct ocrdma_cq *,
 103                                int entries, int dpp_cq);
 104int ocrdma_mbx_destroy_cq(struct ocrdma_dev *, struct ocrdma_cq *);
 105
 106int 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);
 109int 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);
 112int ocrdma_mbx_query_qp(struct ocrdma_dev *, struct ocrdma_qp *,
 113                        struct ocrdma_qp_params *param);
 114int ocrdma_mbx_destroy_qp(struct ocrdma_dev *, struct ocrdma_qp *);
 115
 116int ocrdma_mbx_create_srq(struct ocrdma_srq *,
 117                          struct ib_srq_init_attr *,
 118                          struct ocrdma_pd *);
 119int ocrdma_mbx_modify_srq(struct ocrdma_srq *, struct ib_srq_attr *);
 120int ocrdma_mbx_query_srq(struct ocrdma_srq *, struct ib_srq_attr *);
 121int ocrdma_mbx_destroy_srq(struct ocrdma_dev *, struct ocrdma_srq *);
 122
 123int ocrdma_alloc_av(struct ocrdma_dev *, struct ocrdma_ah *);
 124int ocrdma_free_av(struct ocrdma_dev *, struct ocrdma_ah *);
 125
 126int ocrdma_qp_state_machine(struct ocrdma_qp *, enum ib_qp_state new_state,
 127                            enum ib_qp_state *old_ib_state);
 128bool ocrdma_is_qp_in_sq_flushlist(struct ocrdma_cq *, struct ocrdma_qp *);
 129bool ocrdma_is_qp_in_rq_flushlist(struct ocrdma_cq *, struct ocrdma_qp *);
 130void ocrdma_flush_qp(struct ocrdma_qp *);
 131
 132#endif                          /* __OCRDMA_HW_H__ */
 133