drivers/net/ethernet/qlogic/qed/qed_iscsi.h

   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