LXR linux/include/linux/qed/qed_fcoe

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