linux/linux-5.18.11/drivers/net/ethernet/qlogic/qed/qed_iscsi.h

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2024-03-22 18:12:32 +00:00
/* SPDX-License-Identifier: (GPL-2.0-only OR BSD-3-Clause) */
/* QLogic qed NIC Driver
* Copyright (c) 2015-2017 QLogic Corporation
* Copyright (c) 2019-2020 Marvell International Ltd.
*/
#ifndef _QED_ISCSI_H
#define _QED_ISCSI_H
#include <linux/types.h>
#include <linux/list.h>
#include <linux/slab.h>
#include <linux/spinlock.h>
#include <linux/qed/tcp_common.h>
#include <linux/qed/qed_iscsi_if.h>
#include <linux/qed/qed_chain.h>
#include "qed.h"
#include "qed_hsi.h"
#include "qed_mcp.h"
#include "qed_sp.h"
struct qed_iscsi_info {
spinlock_t lock; /* Connection resources. */
struct list_head free_list;
u16 max_num_outstanding_tasks;
void *event_context;
iscsi_event_cb_t event_cb;
};
#if IS_ENABLED(CONFIG_QED_ISCSI)
int qed_iscsi_alloc(struct qed_hwfn *p_hwfn);
void qed_iscsi_setup(struct qed_hwfn *p_hwfn);
void qed_iscsi_free(struct qed_hwfn *p_hwfn);
/**
* qed_get_protocol_stats_iscsi(): Fills provided statistics
* struct with statistics.
*
* @cdev: Qed dev pointer.
* @stats: Points to struct that will be filled with statistics.
*
* Return: Void.
*/
void qed_get_protocol_stats_iscsi(struct qed_dev *cdev,
struct qed_mcp_iscsi_stats *stats);
#else /* IS_ENABLED(CONFIG_QED_ISCSI) */
static inline int qed_iscsi_alloc(struct qed_hwfn *p_hwfn)
{
return -EINVAL;
}
static inline void qed_iscsi_setup(struct qed_hwfn *p_hwfn) {}
static inline void qed_iscsi_free(struct qed_hwfn *p_hwfn) {}
static inline void
qed_get_protocol_stats_iscsi(struct qed_dev *cdev,
struct qed_mcp_iscsi_stats *stats) {}
#endif /* IS_ENABLED(CONFIG_QED_ISCSI) */
#endif