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1e128c8129
This adds the backbone required for the various HW initalizations which are necessary for the FCoE driver (qedf) for QLogic FastLinQ 4xxxx line of adapters - FW notification, resource initializations, etc. Signed-off-by: Arun Easi <arun.easi@cavium.com> Signed-off-by: Yuval Mintz <yuval.mintz@cavium.com> Signed-off-by: David S. Miller <davem@davemloft.net>
146 lines
4.0 KiB
C
146 lines
4.0 KiB
C
#ifndef _QED_FCOE_IF_H
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#define _QED_FCOE_IF_H
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#include <linux/types.h>
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#include <linux/qed/qed_if.h>
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struct qed_fcoe_stats {
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u64 fcoe_rx_byte_cnt;
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u64 fcoe_rx_data_pkt_cnt;
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u64 fcoe_rx_xfer_pkt_cnt;
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u64 fcoe_rx_other_pkt_cnt;
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u32 fcoe_silent_drop_pkt_cmdq_full_cnt;
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u32 fcoe_silent_drop_pkt_rq_full_cnt;
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u32 fcoe_silent_drop_pkt_crc_error_cnt;
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u32 fcoe_silent_drop_pkt_task_invalid_cnt;
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u32 fcoe_silent_drop_total_pkt_cnt;
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u64 fcoe_tx_byte_cnt;
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u64 fcoe_tx_data_pkt_cnt;
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u64 fcoe_tx_xfer_pkt_cnt;
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u64 fcoe_tx_other_pkt_cnt;
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};
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struct qed_dev_fcoe_info {
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struct qed_dev_info common;
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void __iomem *primary_dbq_rq_addr;
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void __iomem *secondary_bdq_rq_addr;
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};
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struct qed_fcoe_params_offload {
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dma_addr_t sq_pbl_addr;
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dma_addr_t sq_curr_page_addr;
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dma_addr_t sq_next_page_addr;
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u8 src_mac[ETH_ALEN];
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u8 dst_mac[ETH_ALEN];
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u16 tx_max_fc_pay_len;
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u16 e_d_tov_timer_val;
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u16 rec_tov_timer_val;
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u16 rx_max_fc_pay_len;
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u16 vlan_tag;
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struct fc_addr_nw s_id;
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u8 max_conc_seqs_c3;
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struct fc_addr_nw d_id;
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u8 flags;
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u8 def_q_idx;
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};
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#define MAX_TID_BLOCKS_FCOE (512)
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struct qed_fcoe_tid {
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u32 size; /* In bytes per task */
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u32 num_tids_per_block;
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u8 *blocks[MAX_TID_BLOCKS_FCOE];
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};
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struct qed_fcoe_cb_ops {
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struct qed_common_cb_ops common;
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u32 (*get_login_failures)(void *cookie);
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};
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void qed_fcoe_set_pf_params(struct qed_dev *cdev,
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struct qed_fcoe_pf_params *params);
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/**
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* struct qed_fcoe_ops - qed FCoE operations.
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* @common: common operations pointer
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* @fill_dev_info: fills FCoE specific information
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* @param cdev
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* @param info
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* @return 0 on sucesss, otherwise error value.
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* @register_ops: register FCoE operations
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* @param cdev
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* @param ops - specified using qed_iscsi_cb_ops
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* @param cookie - driver private
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* @ll2: light L2 operations pointer
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* @start: fcoe in FW
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* @param cdev
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* @param tasks - qed will fill information about tasks
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* return 0 on success, otherwise error value.
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* @stop: stops fcoe in FW
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* @param cdev
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* return 0 on success, otherwise error value.
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* @acquire_conn: acquire a new fcoe connection
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* @param cdev
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* @param handle - qed will fill handle that should be
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* used henceforth as identifier of the
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* connection.
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* @param p_doorbell - qed will fill the address of the
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* doorbell.
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* return 0 on sucesss, otherwise error value.
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* @release_conn: release a previously acquired fcoe connection
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* @param cdev
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* @param handle - the connection handle.
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* return 0 on success, otherwise error value.
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* @offload_conn: configures an offloaded connection
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* @param cdev
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* @param handle - the connection handle.
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* @param conn_info - the configuration to use for the
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* offload.
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* return 0 on success, otherwise error value.
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* @destroy_conn: stops an offloaded connection
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* @param cdev
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* @param handle - the connection handle.
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* @param terminate_params
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* return 0 on success, otherwise error value.
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* @get_stats: gets FCoE related statistics
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* @param cdev
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* @param stats - pointer to struck that would be filled
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* we stats
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* return 0 on success, error otherwise.
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*/
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struct qed_fcoe_ops {
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const struct qed_common_ops *common;
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int (*fill_dev_info)(struct qed_dev *cdev,
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struct qed_dev_fcoe_info *info);
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void (*register_ops)(struct qed_dev *cdev,
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struct qed_fcoe_cb_ops *ops, void *cookie);
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const struct qed_ll2_ops *ll2;
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int (*start)(struct qed_dev *cdev, struct qed_fcoe_tid *tasks);
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int (*stop)(struct qed_dev *cdev);
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int (*acquire_conn)(struct qed_dev *cdev,
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u32 *handle,
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u32 *fw_cid, void __iomem **p_doorbell);
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int (*release_conn)(struct qed_dev *cdev, u32 handle);
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int (*offload_conn)(struct qed_dev *cdev,
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u32 handle,
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struct qed_fcoe_params_offload *conn_info);
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int (*destroy_conn)(struct qed_dev *cdev,
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u32 handle, dma_addr_t terminate_params);
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int (*get_stats)(struct qed_dev *cdev, struct qed_fcoe_stats *stats);
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};
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const struct qed_fcoe_ops *qed_get_fcoe_ops(void);
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void qed_put_fcoe_ops(void);
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#endif
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