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/* SPDX-License-Identifier: (GPL-2.0-only OR BSD-3-Clause) */
/* Copyright 2021 Marvell. All rights reserved. */
#ifndef _QED_NVMETCP_IF_H
#define _QED_NVMETCP_IF_H
#include <linux/types.h>
#include <linux/qed/qed_if.h>
#define QED_NVMETCP_MAX_IO_SIZE 0x800000
typedef int (*nvmetcp_event_cb_t) (void *context,
u8 fw_event_code, void *fw_handle);
struct qed_dev_nvmetcp_info {
struct qed_dev_info common;
u8 port_id; /* Physical port */
u8 num_cqs;
};
#define MAX_TID_BLOCKS_NVMETCP (512)
struct qed_nvmetcp_tid {
u32 size; /* In bytes per task */
u32 num_tids_per_block;
u8 *blocks[MAX_TID_BLOCKS_NVMETCP];
};
struct qed_nvmetcp_cb_ops {
struct qed_common_cb_ops common;
};
/**
* struct qed_nvmetcp_ops - qed NVMeTCP operations.
* @common: common operations pointer
* @ll2: light L2 operations pointer
* @fill_dev_info: fills NVMeTCP specific information
* @param cdev
* @param info
* @return 0 on success, otherwise error value.
* @register_ops: register nvmetcp operations
* @param cdev
* @param ops - specified using qed_nvmetcp_cb_ops
* @param cookie - driver private
* @start: nvmetcp in FW
* @param cdev
* @param tasks - qed will fill information about tasks
* return 0 on success, otherwise error value.
* @stop: nvmetcp in FW
* @param cdev
* return 0 on success, otherwise error value.
*/
struct qed_nvmetcp_ops {
const struct qed_common_ops *common;
const struct qed_ll2_ops *ll2;
int (*fill_dev_info)(struct qed_dev *cdev,
struct qed_dev_nvmetcp_info *info);
void (*register_ops)(struct qed_dev *cdev,
struct qed_nvmetcp_cb_ops *ops, void *cookie);
int (*start)(struct qed_dev *cdev,
struct qed_nvmetcp_tid *tasks,
void *event_context, nvmetcp_event_cb_t async_event_cb);
int (*stop)(struct qed_dev *cdev);
};
const struct qed_nvmetcp_ops *qed_get_nvmetcp_ops(void);
void qed_put_nvmetcp_ops(void);
#endif
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