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

 
 1/* QLogic qed NIC Driver
 2 * Copyright (c) 2015-2017  QLogic Corporation
 3 *
 4 * This software is available to you under a choice of one of two
 5 * licenses.  You may choose to be licensed under the terms of the GNU
 6 * General Public License (GPL) Version 2, available from the file
 7 * COPYING in the main directory of this source tree, or the
 8 * OpenIB.org BSD license below:
 9 *
10 *     Redistribution and use in source and binary forms, with or
11 *     without modification, are permitted provided that the following
12 *     conditions are met:
13 *
14 *      - Redistributions of source code must retain the above
15 *        copyright notice, this list of conditions and the following
16 *        disclaimer.
17 *
18 *      - Redistributions in binary form must reproduce the above
19 *        copyright notice, this list of conditions and the following
20 *        disclaimer in the documentation and /or other materials
21 *        provided with the distribution.
22 *
23 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
24 * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
25 * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
26 * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS
27 * BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN
28 * ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
29 * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
30 * SOFTWARE.
31 */
32
33#ifndef _QED_ISCSI_H
34#define _QED_ISCSI_H
35#include <linux/types.h>
36#include <linux/list.h>
37#include <linux/slab.h>
38#include <linux/spinlock.h>
39#include <linux/qed/tcp_common.h>
40#include <linux/qed/qed_iscsi_if.h>
41#include <linux/qed/qed_chain.h>
42#include "qed.h"
43#include "qed_hsi.h"
44#include "qed_mcp.h"
45#include "qed_sp.h"
46
47struct qed_iscsi_info {
48	spinlock_t lock; /* Connection resources. */
49	struct list_head free_list;
50	u16 max_num_outstanding_tasks;
51	void *event_context;
52	iscsi_event_cb_t event_cb;
53};
54
55#ifdef CONFIG_QED_LL2
56extern const struct qed_ll2_ops qed_ll2_ops_pass;
57#endif
58
59#if IS_ENABLED(CONFIG_QED_ISCSI)
60int qed_iscsi_alloc(struct qed_hwfn *p_hwfn);
61
62void qed_iscsi_setup(struct qed_hwfn *p_hwfn);
63
64void qed_iscsi_free(struct qed_hwfn *p_hwfn);
65
66/**
67 * @brief - Fills provided statistics struct with statistics.
 
 
 
 
 
68 *
69 * @param cdev
70 * @param stats - points to struct that will be filled with statistics.
71 */
72void qed_get_protocol_stats_iscsi(struct qed_dev *cdev,
73				  struct qed_mcp_iscsi_stats *stats);
 
74#else /* IS_ENABLED(CONFIG_QED_ISCSI) */
75static inline int qed_iscsi_alloc(struct qed_hwfn *p_hwfn)
76{
77	return -EINVAL;
78}
79
80static inline void qed_iscsi_setup(struct qed_hwfn *p_hwfn) {}
81
82static inline void qed_iscsi_free(struct qed_hwfn *p_hwfn) {}
83
84static inline void
85qed_get_protocol_stats_iscsi(struct qed_dev *cdev,
86			     struct qed_mcp_iscsi_stats *stats) {}
 
87#endif /* IS_ENABLED(CONFIG_QED_ISCSI) */
88
89#endif