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1/* SPDX-License-Identifier: (GPL-2.0-only OR BSD-3-Clause) */2/* QLogic qed NIC Driver3 * Copyright (c) 2015-2017 QLogic Corporation4 * Copyright (c) 2019-2020 Marvell International Ltd.5 */6 7#ifndef _QED_ISCSI_H8#define _QED_ISCSI_H9#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 statistics38 * 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 void61qed_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#endif67