LXR linux/include/linux/qed/qed_fcoe

   1/* SPDX-License-Identifier: (GPL-2.0-only OR BSD-3-Clause) */
   2/* Copyright (c) 2019-2020 Marvell International Ltd. */
   3
   4#ifndef _QED_FCOE_IF_H
   5#define _QED_FCOE_IF_H
   6#include <linux/types.h>
   7#include <linux/qed/qed_if.h>
   8struct qed_fcoe_stats {
   9        u64 fcoe_rx_byte_cnt;
  10        u64 fcoe_rx_data_pkt_cnt;
  11        u64 fcoe_rx_xfer_pkt_cnt;
  12        u64 fcoe_rx_other_pkt_cnt;
  13        u32 fcoe_silent_drop_pkt_cmdq_full_cnt;
  14        u32 fcoe_silent_drop_pkt_rq_full_cnt;
  15        u32 fcoe_silent_drop_pkt_crc_error_cnt;
  16        u32 fcoe_silent_drop_pkt_task_invalid_cnt;
  17        u32 fcoe_silent_drop_total_pkt_cnt;
  18
  19        u64 fcoe_tx_byte_cnt;
  20        u64 fcoe_tx_data_pkt_cnt;
  21        u64 fcoe_tx_xfer_pkt_cnt;
  22        u64 fcoe_tx_other_pkt_cnt;
  23};
  24
  25struct qed_dev_fcoe_info {
  26        struct qed_dev_info common;
  27
  28        void __iomem *primary_dbq_rq_addr;
  29        void __iomem *secondary_bdq_rq_addr;
  30
  31        u64 wwpn;
  32        u64 wwnn;
  33
  34        u8 num_cqs;
  35};
  36
  37struct qed_fcoe_params_offload {
  38        dma_addr_t sq_pbl_addr;
  39        dma_addr_t sq_curr_page_addr;
  40        dma_addr_t sq_next_page_addr;
  41
  42        u8 src_mac[ETH_ALEN];
  43        u8 dst_mac[ETH_ALEN];
  44
  45        u16 tx_max_fc_pay_len;
  46        u16 e_d_tov_timer_val;
  47        u16 rec_tov_timer_val;
  48        u16 rx_max_fc_pay_len;
  49        u16 vlan_tag;
  50
  51        struct fc_addr_nw s_id;
  52        u8 max_conc_seqs_c3;
  53        struct fc_addr_nw d_id;
  54        u8 flags;
  55        u8 def_q_idx;
  56};
  57
  58#define MAX_TID_BLOCKS_FCOE (512)
  59struct qed_fcoe_tid {
  60        u32 size;               /* In bytes per task */
  61        u32 num_tids_per_block;
  62        u8 *blocks[MAX_TID_BLOCKS_FCOE];
  63};
  64
  65struct qed_fcoe_cb_ops {
  66        struct qed_common_cb_ops common;
  67         u32 (*get_login_failures)(void *cookie);
  68};
  69
  70void qed_fcoe_set_pf_params(struct qed_dev *cdev,
  71                            struct qed_fcoe_pf_params *params);
  72
  73/**
  74 * struct qed_fcoe_ops - qed FCoE operations.
  75 * @common:             common operations pointer
  76 * @fill_dev_info:      fills FCoE specific information
  77 *                      @param cdev
  78 *                      @param info
  79 *                      @return 0 on sucesss, otherwise error value.
  80 * @register_ops:       register FCoE operations
  81 *                      @param cdev
  82 *                      @param ops - specified using qed_iscsi_cb_ops
  83 *                      @param cookie - driver private
  84 * @ll2:                light L2 operations pointer
  85 * @start:              fcoe in FW
  86 *                      @param cdev
  87 *                      @param tasks - qed will fill information about tasks
  88 *                      return 0 on success, otherwise error value.
  89 * @stop:               stops fcoe in FW
  90 *                      @param cdev
  91 *                      return 0 on success, otherwise error value.
  92 * @acquire_conn:       acquire a new fcoe connection
  93 *                      @param cdev
  94 *                      @param handle - qed will fill handle that should be
  95 *                              used henceforth as identifier of the
  96 *                              connection.
  97 *                      @param p_doorbell - qed will fill the address of the
  98 *                              doorbell.
  99 *                      return 0 on sucesss, otherwise error value.
 100 * @release_conn:       release a previously acquired fcoe connection
 101 *                      @param cdev
 102 *                      @param handle - the connection handle.
 103 *                      return 0 on success, otherwise error value.
 104 * @offload_conn:       configures an offloaded connection
 105 *                      @param cdev
 106 *                      @param handle - the connection handle.
 107 *                      @param conn_info - the configuration to use for the
 108 *                              offload.
 109 *                      return 0 on success, otherwise error value.
 110 * @destroy_conn:       stops an offloaded connection
 111 *                      @param cdev
 112 *                      @param handle - the connection handle.
 113 *                      @param terminate_params
 114 *                      return 0 on success, otherwise error value.
 115 * @get_stats:          gets FCoE related statistics
 116 *                      @param cdev
 117 *                      @param stats - pointer to struck that would be filled
 118 *                              we stats
 119 *                      return 0 on success, error otherwise.
 120 */
 121struct qed_fcoe_ops {
 122        const struct qed_common_ops *common;
 123
 124        int (*fill_dev_info)(struct qed_dev *cdev,
 125                             struct qed_dev_fcoe_info *info);
 126
 127        void (*register_ops)(struct qed_dev *cdev,
 128                             struct qed_fcoe_cb_ops *ops, void *cookie);
 129
 130        const struct qed_ll2_ops *ll2;
 131
 132        int (*start)(struct qed_dev *cdev, struct qed_fcoe_tid *tasks);
 133
 134        int (*stop)(struct qed_dev *cdev);
 135
 136        int (*acquire_conn)(struct qed_dev *cdev,
 137                            u32 *handle,
 138                            u32 *fw_cid, void __iomem **p_doorbell);
 139
 140        int (*release_conn)(struct qed_dev *cdev, u32 handle);
 141
 142        int (*offload_conn)(struct qed_dev *cdev,
 143                            u32 handle,
 144                            struct qed_fcoe_params_offload *conn_info);
 145        int (*destroy_conn)(struct qed_dev *cdev,
 146                            u32 handle, dma_addr_t terminate_params);
 147
 148        int (*get_stats)(struct qed_dev *cdev, struct qed_fcoe_stats *stats);
 149};
 150
 151const struct qed_fcoe_ops *qed_get_fcoe_ops(void);
 152void qed_put_fcoe_ops(void);
 153#endif
 154