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
21struct 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)
30int qed_iscsi_alloc(struct qed_hwfn *p_hwfn);
31
32void qed_iscsi_setup(struct qed_hwfn *p_hwfn);
33
34void qed_iscsi_free(struct qed_hwfn *p_hwfn);
35
36/**
37 * qed_get_protocol_stats_iscsi(): Fills provided statistics
38 *                                 struct with statistics.
39 *
40 * @cdev: Qed dev pointer.
41 * @stats: Points to struct that will be filled with statistics.
42 * @is_atomic: Hint from the caller - if the func can sleep or not.
43 *
44 * Context: The function should not sleep in case is_atomic == true.
45 * Return: Void.
46 */
47void qed_get_protocol_stats_iscsi(struct qed_dev *cdev,
48				  struct qed_mcp_iscsi_stats *stats,
49				  bool is_atomic);
50#else /* IS_ENABLED(CONFIG_QED_ISCSI) */
51static inline int qed_iscsi_alloc(struct qed_hwfn *p_hwfn)
52{
53	return -EINVAL;
54}
55
56static inline void qed_iscsi_setup(struct qed_hwfn *p_hwfn) {}
57
58static inline void qed_iscsi_free(struct qed_hwfn *p_hwfn) {}
59
60static inline void
61qed_get_protocol_stats_iscsi(struct qed_dev *cdev,
62			     struct qed_mcp_iscsi_stats *stats,
63			     bool is_atomic) {}
64#endif /* IS_ENABLED(CONFIG_QED_ISCSI) */
65
66#endif
67