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> 8 struct 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 25 struct 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 37 struct 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) 59 struct 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 65 struct qed_fcoe_cb_ops { 66 struct qed_common_cb_ops common; 67 u32 (*get_login_failures)(void *cookie); 68 }; 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 success, 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 success, 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 */ 118 struct 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 }; 147 148 const struct qed_fcoe_ops *qed_get_fcoe_ops(void); 149 void qed_put_fcoe_ops(void); 150 #endif 151