usr/src/uts/common/io/qede/579xx/drivers/ecore/ecore_ooo.h

   1 /*
   2 * CDDL HEADER START
   3 *
   4 * The contents of this file are subject to the terms of the
   5 * Common Development and Distribution License, v.1,  (the "License").
   6 * You may not use this file except in compliance with the License.
   7 *
   8 * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
   9 * or http://opensource.org/licenses/CDDL-1.0.
  10 * See the License for the specific language governing permissions
  11 * and limitations under the License.
  12 *
  13 * When distributing Covered Code, include this CDDL HEADER in each
  14 * file and include the License file at usr/src/OPENSOLARIS.LICENSE.
  15 * If applicable, add the following below this CDDL HEADER, with the
  16 * fields enclosed by brackets "[]" replaced with your own identifying
  17 * information: Portions Copyright [yyyy] [name of copyright owner]
  18 *
  19 * CDDL HEADER END
  20 */
  21
  22 /*
  23 * Copyright 2014-2017 Cavium, Inc.
  24 * The contents of this file are subject to the terms of the Common Development
  25 * and Distribution License, v.1,  (the "License").
  26
  27 * You may not use this file except in compliance with the License.
  28
  29 * You can obtain a copy of the License at available
  30 * at http://opensource.org/licenses/CDDL-1.0
  31
  32 * See the License for the specific language governing permissions and
  33 * limitations under the License.
  34 */
  35
  36 #ifndef __ECORE_OOO_H__
  37 #define __ECORE_OOO_H__
  38
  39 #include "ecore.h"
  40
  41 #define ECORE_MAX_NUM_ISLES     256
  42 #define ECORE_MAX_NUM_OOO_HISTORY_ENTRIES       512
  43
  44 #define ECORE_OOO_LEFT_BUF      0
  45 #define ECORE_OOO_RIGHT_BUF     1
  46
  47 struct ecore_ooo_buffer {
  48         osal_list_entry_t       list_entry;
  49         void                    *rx_buffer_virt_addr;
  50         dma_addr_t              rx_buffer_phys_addr;
  51         u32                     rx_buffer_size;
  52         u16                     packet_length;
  53         u16                     parse_flags;
  54         u16                     vlan;
  55         u8                      placement_offset;
  56 };
  57
  58 struct ecore_ooo_isle {
  59         osal_list_entry_t       list_entry;
  60         osal_list_t             buffers_list;
  61 };
  62
  63 struct ecore_ooo_archipelago {
  64         osal_list_t             isles_list;
  65 };
  66
  67 struct ecore_ooo_history {
  68         struct ooo_opaque       *p_cqes;
  69         u32                     head_idx;
  70         u32                     num_of_cqes;
  71 };
  72
  73 struct ecore_ooo_info {
  74         osal_list_t      free_buffers_list;
  75         osal_list_t      ready_buffers_list;
  76         osal_list_t      free_isles_list;
  77         struct ecore_ooo_archipelago    *p_archipelagos_mem;
  78         struct ecore_ooo_isle   *p_isles_mem;
  79         struct ecore_ooo_history        ooo_history;
  80         u32             cur_isles_number;
  81         u32             max_isles_number;
  82         u32             gen_isles_number;
  83         u16             max_num_archipelagos;
  84         u16             cid_base;
  85 };
  86
  87 enum _ecore_status_t ecore_ooo_alloc(struct ecore_hwfn *p_hwfn);
  88
  89 void ecore_ooo_setup(struct ecore_hwfn *p_hwfn);
  90
  91 void ecore_ooo_free(struct ecore_hwfn *p_hwfn);
  92
  93 void ecore_ooo_save_history_entry(struct ecore_hwfn       *p_hwfn,
  94                                        struct ecore_ooo_info *p_ooo_info,
  95                                        struct ooo_opaque *p_cqe);
  96
  97 void ecore_ooo_release_connection_isles(struct ecore_hwfn       *p_hwfn,
  98                                        struct ecore_ooo_info *p_ooo_info,
  99                                        u32 cid);
 100
 101 void ecore_ooo_release_all_isles(struct ecore_hwfn       *p_hwfn,
 102                                 struct ecore_ooo_info *p_ooo_info);
 103
 104 void ecore_ooo_put_free_buffer(struct ecore_hwfn        *p_hwfn,
 105                               struct ecore_ooo_info     *p_ooo_info,
 106                               struct ecore_ooo_buffer   *p_buffer);
 107
 108 struct ecore_ooo_buffer *
 109         ecore_ooo_get_free_buffer(struct ecore_hwfn     *p_hwfn,
 110                                  struct ecore_ooo_info *p_ooo_info);
 111
 112 void ecore_ooo_put_ready_buffer(struct ecore_hwfn       *p_hwfn,
 113                               struct ecore_ooo_info     *p_ooo_info,
 114                               struct ecore_ooo_buffer   *p_buffer,
 115                               u8 on_tail);
 116
 117 struct ecore_ooo_buffer *
 118         ecore_ooo_get_ready_buffer(struct ecore_hwfn    *p_hwfn,
 119                                   struct ecore_ooo_info *p_ooo_info);
 120
 121 void ecore_ooo_delete_isles(struct ecore_hwfn   *p_hwfn,
 122                            struct ecore_ooo_info *p_ooo_info,
 123                            u32 cid,
 124                            u8 drop_isle,
 125                            u8 drop_size);
 126
 127 void ecore_ooo_add_new_isle(struct ecore_hwfn   *p_hwfn,
 128                            struct ecore_ooo_info *p_ooo_info,
 129                            u32 cid,
 130                            u8 ooo_isle,
 131                            struct ecore_ooo_buffer *p_buffer);
 132
 133 void ecore_ooo_add_new_buffer(struct ecore_hwfn *p_hwfn,
 134                              struct ecore_ooo_info *p_ooo_info,
 135                              u32 cid,
 136                              u8 ooo_isle,
 137                              struct ecore_ooo_buffer *p_buffer,
 138                              u8 buffer_side);
 139
 140 void ecore_ooo_join_isles(struct ecore_hwfn     *p_hwfn,
 141                          struct ecore_ooo_info *p_ooo_info,
 142                          u32 cid,
 143                          u8 left_isle);
 144
 145 void ecore_ooo_dump_rx_event(struct ecore_hwfn  *p_hwfn,
 146                              struct ooo_opaque *iscsi_ooo,
 147                              struct ecore_ooo_buffer *p_buffer);
 148
 149 #endif  /*__ECORE_OOO_H__*/
 150