ecore_ooo.h

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    1 /*
    2  * Copyright (c) 2017-2018 Cavium, Inc. 
    3  * All rights reserved.
    4  *
    5  *  Redistribution and use in source and binary forms, with or without
    6  *  modification, are permitted provided that the following conditions
    7  *  are met:
    8  *
    9  *  1. Redistributions of source code must retain the above copyright
   10  *     notice, this list of conditions and the following disclaimer.
   11  *  2. Redistributions in binary form must reproduce the above copyright
   12  *     notice, this list of conditions and the following disclaimer in the
   13  *     documentation and/or other materials provided with the distribution.
   14  *
   15  *  THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
   16  *  AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
   17  *  IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
   18  *  ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE
   19  *  LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
   20  *  CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
   21  *  SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
   22  *  INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
   23  *  CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
   24  *  ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
   25  *  POSSIBILITY OF SUCH DAMAGE.
   26  *
   27  * $FreeBSD$
   28  *
   29  */
   30 
   31 #ifndef __ECORE_OOO_H__
   32 #define __ECORE_OOO_H__
   33 
   34 #include "ecore.h"
   35 
   36 #define ECORE_MAX_NUM_ISLES     256
   37 #define ECORE_MAX_NUM_OOO_HISTORY_ENTRIES       512
   38 
   39 #define ECORE_OOO_LEFT_BUF      0
   40 #define ECORE_OOO_RIGHT_BUF     1
   41 
   42 struct ecore_ooo_buffer {
   43         osal_list_entry_t       list_entry;
   44         void                    *rx_buffer_virt_addr;
   45         dma_addr_t              rx_buffer_phys_addr;
   46         u32                     rx_buffer_size;
   47         u16                     packet_length;
   48         u16                     parse_flags;
   49         u16                     vlan;
   50         u8                      placement_offset;
   51 };
   52 
   53 struct ecore_ooo_isle {
   54         osal_list_entry_t       list_entry;
   55         osal_list_t             buffers_list;
   56 };
   57 
   58 struct ecore_ooo_archipelago {
   59         osal_list_t             isles_list;
   60 };
   61 
   62 struct ecore_ooo_history {
   63         struct ooo_opaque       *p_cqes;
   64         u32                     head_idx;
   65         u32                     num_of_cqes;
   66 };
   67 
   68 struct ecore_ooo_info {
   69         osal_list_t      free_buffers_list;
   70         osal_list_t      ready_buffers_list;
   71         osal_list_t      free_isles_list;
   72         struct ecore_ooo_archipelago    *p_archipelagos_mem;
   73         struct ecore_ooo_isle   *p_isles_mem;
   74         struct ecore_ooo_history        ooo_history;
   75         u32             cur_isles_number;
   76         u32             max_isles_number;
   77         u32             gen_isles_number;
   78         u16             max_num_archipelagos;
   79         u16             cid_base;
   80 };
   81 
   82 #if defined(CONFIG_ECORE_ISCSI) || defined(CONFIG_ECORE_IWARP)
   83 enum _ecore_status_t ecore_ooo_alloc(struct ecore_hwfn *p_hwfn);
   84 
   85 void ecore_ooo_setup(struct ecore_hwfn *p_hwfn);
   86 
   87 void ecore_ooo_free(struct ecore_hwfn *p_hwfn);
   88 #else
   89 static inline enum _ecore_status_t
   90 ecore_ooo_alloc(struct ecore_hwfn OSAL_UNUSED *p_hwfn)
   91 {
   92         return ECORE_INVAL;
   93 }
   94 
   95 static inline void
   96 ecore_ooo_setup(struct ecore_hwfn OSAL_UNUSED *p_hwfn) {}
   97 
   98 static inline void
   99 ecore_ooo_free(struct ecore_hwfn OSAL_UNUSED *p_hwfn) {}
  100 #endif
  101 
  102 void ecore_ooo_save_history_entry(struct ecore_ooo_info *p_ooo_info,
  103                                   struct ooo_opaque *p_cqe);
  104 
  105 void ecore_ooo_release_connection_isles(struct ecore_ooo_info *p_ooo_info,
  106                                         u32 cid);
  107 
  108 void ecore_ooo_release_all_isles(struct ecore_ooo_info *p_ooo_info);
  109 
  110 void ecore_ooo_put_free_buffer(struct ecore_ooo_info *p_ooo_info,
  111                                struct ecore_ooo_buffer *p_buffer);
  112 
  113 struct ecore_ooo_buffer *
  114 ecore_ooo_get_free_buffer(struct ecore_ooo_info *p_ooo_info);
  115 
  116 void ecore_ooo_put_ready_buffer(struct ecore_ooo_info *p_ooo_info,
  117                                 struct ecore_ooo_buffer *p_buffer, u8 on_tail);
  118 
  119 struct ecore_ooo_buffer *
  120 ecore_ooo_get_ready_buffer(struct ecore_ooo_info *p_ooo_info);
  121 
  122 void ecore_ooo_delete_isles(struct ecore_hwfn   *p_hwfn,
  123                            struct ecore_ooo_info *p_ooo_info,
  124                            u32 cid,
  125                            u8 drop_isle,
  126                            u8 drop_size);
  127 
  128 void ecore_ooo_add_new_isle(struct ecore_hwfn   *p_hwfn,
  129                            struct ecore_ooo_info *p_ooo_info,
  130                            u32 cid,
  131                            u8 ooo_isle,
  132                            struct ecore_ooo_buffer *p_buffer);
  133 
  134 void ecore_ooo_add_new_buffer(struct ecore_hwfn *p_hwfn,
  135                              struct ecore_ooo_info *p_ooo_info,
  136                              u32 cid,
  137                              u8 ooo_isle,
  138                              struct ecore_ooo_buffer *p_buffer,
  139                              u8 buffer_side);
  140 
  141 void ecore_ooo_join_isles(struct ecore_hwfn     *p_hwfn,
  142                          struct ecore_ooo_info *p_ooo_info,
  143                          u32 cid,
  144                          u8 left_isle);
  145 
  146 void ecore_ooo_dump_rx_event(struct ecore_hwfn  *p_hwfn,
  147                              struct ooo_opaque *iscsi_ooo,
  148                              struct ecore_ooo_buffer *p_buffer);
  149 
  150 #endif  /*__ECORE_OOO_H__*/

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FreeBSD/Linux Kernel Cross Reference sys/dev/qlnx/qlnxe/ecore_ooo.h

FreeBSD/Linux Kernel Cross Reference
sys/dev/qlnx/qlnxe/ecore_ooo.h