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/* SPDX-License-Identifier: (GPL-2.0-only OR BSD-3-Clause) */
/* Copyright (c) 2019-2020 Marvell International Ltd. */
#ifndef _QED_FCOE_IF_H
#define _QED_FCOE_IF_H
#include <linux/types.h>
#include <linux/qed/qed_if.h>
struct qed_fcoe_stats {
u64 fcoe_rx_byte_cnt;
u64 fcoe_rx_data_pkt_cnt;
u64 fcoe_rx_xfer_pkt_cnt;
u64 fcoe_rx_other_pkt_cnt;
u32 fcoe_silent_drop_pkt_cmdq_full_cnt;
u32 fcoe_silent_drop_pkt_rq_full_cnt;
u32 fcoe_silent_drop_pkt_crc_error_cnt;
u32 fcoe_silent_drop_pkt_task_invalid_cnt;
u32 fcoe_silent_drop_total_pkt_cnt;
u64 fcoe_tx_byte_cnt;
u64 fcoe_tx_data_pkt_cnt;
u64 fcoe_tx_xfer_pkt_cnt;
u64 fcoe_tx_other_pkt_cnt;
};
struct qed_dev_fcoe_info {
struct qed_dev_info common;
void __iomem *primary_dbq_rq_addr;
void __iomem *secondary_bdq_rq_addr;
u64 wwpn;
u64 wwnn;
u8 num_cqs;
};
struct qed_fcoe_params_offload {
dma_addr_t sq_pbl_addr;
dma_addr_t sq_curr_page_addr;
dma_addr_t sq_next_page_addr;
u8 src_mac[ETH_ALEN];
u8 dst_mac[ETH_ALEN];
u16 tx_max_fc_pay_len;
u16 e_d_tov_timer_val;
u16 rec_tov_timer_val;
u16 rx_max_fc_pay_len;
u16 vlan_tag;
struct fc_addr_nw s_id;
u8 max_conc_seqs_c3;
struct fc_addr_nw d_id;
u8 flags;
u8 def_q_idx;
};
#define MAX_TID_BLOCKS_FCOE (512)
struct qed_fcoe_tid {
u32 size; /* In bytes per task */
u32 num_tids_per_block;
u8 *blocks[MAX_TID_BLOCKS_FCOE];
};
struct qed_fcoe_cb_ops {
struct qed_common_cb_ops common;
u32 (*get_login_failures)(void *cookie);
};
/**
* struct qed_fcoe_ops - qed FCoE operations.
* @common: common operations pointer
* @fill_dev_info: fills FCoE specific information
* @param cdev
* @param info
* @return 0 on success, otherwise error value.
* @register_ops: register FCoE operations
* @param cdev
* @param ops - specified using qed_iscsi_cb_ops
* @param cookie - driver private
* @ll2: light L2 operations pointer
* @start: fcoe in FW
* @param cdev
* @param tasks - qed will fill information about tasks
* return 0 on success, otherwise error value.
* @stop: stops fcoe in FW
* @param cdev
* return 0 on success, otherwise error value.
* @acquire_conn: acquire a new fcoe connection
* @param cdev
* @param handle - qed will fill handle that should be
* used henceforth as identifier of the
* connection.
* @param p_doorbell - qed will fill the address of the
* doorbell.
* return 0 on success, otherwise error value.
* @release_conn: release a previously acquired fcoe connection
* @param cdev
* @param handle - the connection handle.
* return 0 on success, otherwise error value.
* @offload_conn: configures an offloaded connection
* @param cdev
* @param handle - the connection handle.
* @param conn_info - the configuration to use for the
* offload.
* return 0 on success, otherwise error value.
* @destroy_conn: stops an offloaded connection
* @param cdev
* @param handle - the connection handle.
* @param terminate_params
* return 0 on success, otherwise error value.
* @get_stats: gets FCoE related statistics
* @param cdev
* @param stats - pointer to struck that would be filled
* we stats
* return 0 on success, error otherwise.
*/
struct qed_fcoe_ops {
const struct qed_common_ops *common;
int (*fill_dev_info)(struct qed_dev *cdev,
struct qed_dev_fcoe_info *info);
void (*register_ops)(struct qed_dev *cdev,
struct qed_fcoe_cb_ops *ops, void *cookie);
const struct qed_ll2_ops *ll2;
int (*start)(struct qed_dev *cdev, struct qed_fcoe_tid *tasks);
int (*stop)(struct qed_dev *cdev);
int (*acquire_conn)(struct qed_dev *cdev,
u32 *handle,
u32 *fw_cid, void __iomem **p_doorbell);
int (*release_conn)(struct qed_dev *cdev, u32 handle);
int (*offload_conn)(struct qed_dev *cdev,
u32 handle,
struct qed_fcoe_params_offload *conn_info);
int (*destroy_conn)(struct qed_dev *cdev,
u32 handle, dma_addr_t terminate_params);
int (*get_stats)(struct qed_dev *cdev, struct qed_fcoe_stats *stats);
};
const struct qed_fcoe_ops *qed_get_fcoe_ops(void);
void qed_put_fcoe_ops(void);
#endif
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