2 * Copyright (c) 2017-2018 Cavium, Inc.
5 * Redistribution and use in source and binary forms, with or without
6 * modification, are permitted provided that the following conditions
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.
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.
31 #ifndef __ECORE_OOO_H__
32 #define __ECORE_OOO_H__
36 #define ECORE_MAX_NUM_ISLES 256
37 #define ECORE_MAX_NUM_OOO_HISTORY_ENTRIES 512
39 #define ECORE_OOO_LEFT_BUF 0
40 #define ECORE_OOO_RIGHT_BUF 1
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;
53 struct ecore_ooo_isle {
54 osal_list_entry_t list_entry;
55 osal_list_t buffers_list;
58 struct ecore_ooo_archipelago {
59 osal_list_t isles_list;
62 struct ecore_ooo_history {
63 struct ooo_opaque *p_cqes;
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;
78 u16 max_num_archipelagos;
82 #if defined(CONFIG_ECORE_ISCSI) || defined(CONFIG_ECORE_IWARP)
83 enum _ecore_status_t ecore_ooo_alloc(struct ecore_hwfn *p_hwfn);
85 void ecore_ooo_setup(struct ecore_hwfn *p_hwfn);
87 void ecore_ooo_free(struct ecore_hwfn *p_hwfn);
89 static inline enum _ecore_status_t
90 ecore_ooo_alloc(struct ecore_hwfn OSAL_UNUSED *p_hwfn)
96 ecore_ooo_setup(struct ecore_hwfn OSAL_UNUSED *p_hwfn) {}
99 ecore_ooo_free(struct ecore_hwfn OSAL_UNUSED *p_hwfn) {}
103 void ecore_ooo_save_history_entry(struct ecore_ooo_info *p_ooo_info,
104 struct ooo_opaque *p_cqe);
106 void ecore_ooo_release_connection_isles(struct ecore_ooo_info *p_ooo_info,
109 void ecore_ooo_release_all_isles(struct ecore_ooo_info *p_ooo_info);
111 void ecore_ooo_put_free_buffer(struct ecore_ooo_info *p_ooo_info,
112 struct ecore_ooo_buffer *p_buffer);
114 struct ecore_ooo_buffer *
115 ecore_ooo_get_free_buffer(struct ecore_ooo_info *p_ooo_info);
117 void ecore_ooo_put_ready_buffer(struct ecore_ooo_info *p_ooo_info,
118 struct ecore_ooo_buffer *p_buffer, u8 on_tail);
120 struct ecore_ooo_buffer *
121 ecore_ooo_get_ready_buffer(struct ecore_ooo_info *p_ooo_info);
123 void ecore_ooo_delete_isles(struct ecore_hwfn *p_hwfn,
124 struct ecore_ooo_info *p_ooo_info,
129 void ecore_ooo_add_new_isle(struct ecore_hwfn *p_hwfn,
130 struct ecore_ooo_info *p_ooo_info,
133 struct ecore_ooo_buffer *p_buffer);
135 void ecore_ooo_add_new_buffer(struct ecore_hwfn *p_hwfn,
136 struct ecore_ooo_info *p_ooo_info,
139 struct ecore_ooo_buffer *p_buffer,
142 void ecore_ooo_join_isles(struct ecore_hwfn *p_hwfn,
143 struct ecore_ooo_info *p_ooo_info,
147 void ecore_ooo_dump_rx_event(struct ecore_hwfn *p_hwfn,
148 struct ooo_opaque *iscsi_ooo,
149 struct ecore_ooo_buffer *p_buffer);
151 #endif /*__ECORE_OOO_H__*/