1 /* SPDX-License-Identifier: (GPL-2.0-only OR BSD-3-Clause) */
2 /* QLogic qed NIC Driver
3  * Copyright (c) 2015-2017  QLogic Corporation
4  * Copyright (c) 2019-2020 Marvell International Ltd.
5  */
6 
7 #ifndef _QED_ISCSI_H
8 #define _QED_ISCSI_H
9 #include <linux/types.h>
10 #include <linux/list.h>
11 #include <linux/slab.h>
12 #include <linux/spinlock.h>
13 #include <linux/qed/tcp_common.h>
14 #include <linux/qed/qed_iscsi_if.h>
15 #include <linux/qed/qed_chain.h>
16 #include "qed.h"
17 #include "qed_hsi.h"
18 #include "qed_mcp.h"
19 #include "qed_sp.h"
20 
21 struct qed_iscsi_info {
22 	spinlock_t lock; /* Connection resources. */
23 	struct list_head free_list;
24 	u16 max_num_outstanding_tasks;
25 	void *event_context;
26 	iscsi_event_cb_t event_cb;
27 };
28 
29 #if IS_ENABLED(CONFIG_QED_ISCSI)
30 int qed_iscsi_alloc(struct qed_hwfn *p_hwfn);
31 
32 void qed_iscsi_setup(struct qed_hwfn *p_hwfn);
33 
34 void qed_iscsi_free(struct qed_hwfn *p_hwfn);
35 
36 /**
37  * @brief - Fills provided statistics struct with statistics.
38  *
39  * @param cdev
40  * @param stats - points to struct that will be filled with statistics.
41  */
42 void qed_get_protocol_stats_iscsi(struct qed_dev *cdev,
43 				  struct qed_mcp_iscsi_stats *stats);
44 #else /* IS_ENABLED(CONFIG_QED_ISCSI) */
45 static inline int qed_iscsi_alloc(struct qed_hwfn *p_hwfn)
46 {
47 	return -EINVAL;
48 }
49 
50 static inline void qed_iscsi_setup(struct qed_hwfn *p_hwfn) {}
51 
52 static inline void qed_iscsi_free(struct qed_hwfn *p_hwfn) {}
53 
54 static inline void
55 qed_get_protocol_stats_iscsi(struct qed_dev *cdev,
56 			     struct qed_mcp_iscsi_stats *stats) {}
57 #endif /* IS_ENABLED(CONFIG_QED_ISCSI) */
58 
59 #endif
60