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: stable/11/sys/dev/qlnx/qlnxe/ecore_iscsi.h 337517 2018-08-09 01:17:35Z davidcs $
28 *
29 */
30
31#ifndef __ECORE_ISCSI_H__
32#define __ECORE_ISCSI_H__
33
34#include "ecore.h"
35#include "ecore_chain.h"
36#include "ecore_hsi_common.h"
37#include "tcp_common.h"
38#include "ecore_hsi_iscsi.h"
39#include "ecore_sp_commands.h"
40#include "ecore_iscsi_api.h"
41
42#ifndef __EXTRACT__LINUX__H__
43struct ecore_iscsi_info {
44	osal_spinlock_t	 lock;
45	osal_list_t	 free_list;
46	u16		 max_num_outstanding_tasks;
47	void		 *event_context;
48	iscsi_event_cb_t event_cb;
49};
50
51#ifdef CONFIG_ECORE_ISCSI
52enum _ecore_status_t ecore_iscsi_alloc(struct ecore_hwfn *p_hwfn);
53
54void ecore_iscsi_setup(struct ecore_hwfn *p_hwfn);
55
56void ecore_iscsi_free(struct ecore_hwfn *p_hwfn);
57#else
58static inline enum _ecore_status_t
59ecore_iscsi_alloc(struct ecore_hwfn OSAL_UNUSED *p_hwfn)
60{
61	return ECORE_INVAL;
62}
63
64static inline void
65ecore_iscsi_setup(struct ecore_hwfn OSAL_UNUSED *p_hwfn) {}
66
67static inline void
68ecore_iscsi_free(struct ecore_hwfn OSAL_UNUSED *p_hwfn) {}
69#endif
70#endif
71
72void ecore_iscsi_free_connection(struct ecore_hwfn *p_hwfn,
73				 struct ecore_iscsi_conn *p_conn);
74
75/**
76 * @brief ecore_sp_iscsi_conn_offload - iSCSI connection offload
77 *
78 * This ramrod offloads iSCSI connection to FW
79 *
80 * @param p_path
81 * @param p_conn
82 * @param comp_mode
83 * @param comp_addr
84 *
85 * @return enum _ecore_status_t
86 */
87enum _ecore_status_t
88ecore_sp_iscsi_conn_offload(struct ecore_hwfn *p_hwfn,
89			    struct ecore_iscsi_conn *p_conn,
90			    enum spq_mode comp_mode,
91			    struct ecore_spq_comp_cb *p_comp_addr);
92
93/**
94 * @brief ecore_sp_iscsi_conn_update - iSCSI connection update
95 *
96 * This ramrod updatess iSCSI ofloadedconnection in FW
97 *
98 * @param p_path
99 * @param p_conn
100 * @param comp_mode
101 * @param comp_addr
102 *
103 * @return enum _ecore_status_t
104 */
105enum _ecore_status_t
106ecore_sp_iscsi_conn_update(struct ecore_hwfn *p_hwfn,
107			   struct ecore_iscsi_conn *p_conn,
108			   enum spq_mode comp_mode,
109			   struct ecore_spq_comp_cb *p_comp_addr);
110
111/**
112 * @brief ecore_sp_iscsi_mac_update - iSCSI connection's MAC update
113 *
114 * This ramrod updates remote MAC for iSCSI offloaded connection in FW
115 *
116 * @param p_path
117 * @param p_conn
118 * @param comp_mode
119 * @param comp_addr
120 *
121 * @return enum _ecore_status_t
122 */
123enum _ecore_status_t
124ecore_sp_iscsi_mac_update(struct ecore_hwfn *p_hwfn,
125			  struct ecore_iscsi_conn *p_conn,
126			  enum spq_mode comp_mode,
127			  struct ecore_spq_comp_cb *p_comp_addr);
128
129  /**
130 * @brief ecore_sp_iscsi_mac_update - iSCSI connection's MAC update
131 *
132 * This ramrod updates remote MAC for iSCSI offloaded connection in FW
133 *
134 * @param p_path
135 * @param p_conn
136 * @param reset
137 * @param comp_mode
138 * @param comp_addr
139 *
140 * @return enum _ecore_status_t
141 */
142enum _ecore_status_t
143ecore_sp_iscsi_stats_tcp_update(struct ecore_hwfn *p_hwfn,
144				struct ecore_iscsi_conn *p_conn,
145				bool reset,
146				enum spq_mode comp_mode,
147				struct ecore_spq_comp_cb *p_comp_addr);
148
149/**
150 * @brief ecore_sp_iscsi_conn_terminate - iSCSI connection
151 *        terminate
152 *
153 * This ramrod deletes iSCSI offloaded connection in FW
154 *
155 * @param p_path
156 * @param p_conn
157 * @param comp_mode
158 * @param comp_addr
159 *
160 * @return enum _ecore_status_t
161 */
162enum _ecore_status_t
163ecore_sp_iscsi_conn_terminate(struct ecore_hwfn *p_hwfn,
164			      struct ecore_iscsi_conn *p_conn,
165			      enum spq_mode comp_mode,
166			      struct ecore_spq_comp_cb *p_comp_addr);
167
168/**
169 * @brief ecore_sp_iscsi_conn_clear_sq - iSCSI connection
170 *        clear SQ
171 *
172 * This ramrod clears connection's SQ in FW
173 *
174 * @param p_path
175 * @param p_conn
176 * @param comp_mode
177 * @param comp_addr
178 *
179 * @return enum _ecore_status_t
180 */
181enum _ecore_status_t
182ecore_sp_iscsi_conn_clear_sq(struct ecore_hwfn *p_hwfn,
183			     struct ecore_iscsi_conn *p_conn,
184			     enum spq_mode comp_mode,
185			     struct ecore_spq_comp_cb *p_comp_addr);
186
187#endif  /*__ECORE_ISCSI_H__*/
188
189