xref: /freebsd/sys/dev/qlnx/qlnxe/ecore_iscsi.h (revision cfd6422a5217410fbd66f7a7a8a64d9d85e61229)
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_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__
43 struct 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
52 enum _ecore_status_t ecore_iscsi_alloc(struct ecore_hwfn *p_hwfn);
53 
54 void ecore_iscsi_setup(struct ecore_hwfn *p_hwfn);
55 
56 void ecore_iscsi_free(struct ecore_hwfn *p_hwfn);
57 #else
58 static inline enum _ecore_status_t
59 ecore_iscsi_alloc(struct ecore_hwfn OSAL_UNUSED *p_hwfn)
60 {
61 	return ECORE_INVAL;
62 }
63 
64 static inline void
65 ecore_iscsi_setup(struct ecore_hwfn OSAL_UNUSED *p_hwfn) {}
66 
67 static inline void
68 ecore_iscsi_free(struct ecore_hwfn OSAL_UNUSED *p_hwfn) {}
69 #endif
70 #endif
71 
72 void 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  */
87 enum _ecore_status_t
88 ecore_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  */
105 enum _ecore_status_t
106 ecore_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  */
123 enum _ecore_status_t
124 ecore_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  */
142 enum _ecore_status_t
143 ecore_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  */
162 enum _ecore_status_t
163 ecore_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  */
181 enum _ecore_status_t
182 ecore_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