/* SPDX-License-Identifier: GPL-2.0-only */
/*
 * Copyright (C) 2005 - 2016 Broadcom
 * All rights reserved.
 *
 * Contact Information:
 * linux-drivers@emulex.com
 *
 * Emulex
 * 3333 Susan Street
 * Costa Mesa, CA 92626
 */

#ifndef BE_ROCE_H
#define BE_ROCE_H

#include <linux/pci.h>
#include <linux/netdevice.h>

#define BE_ROCE_ABI_VERSION     1

struct ocrdma_dev;

enum be_interrupt_mode {
        BE_INTERRUPT_MODE_MSIX  = 0,
        BE_INTERRUPT_MODE_INTX  = 1,
        BE_INTERRUPT_MODE_MSI   = 2,
};

#define MAX_MSIX_VECTORS                32
struct be_dev_info {
        u8 __iomem *db;
        u64 unmapped_db;
        u32 db_page_size;
        u32 db_total_size;
        u64 dpp_unmapped_addr;
        u32 dpp_unmapped_len;
        struct pci_dev *pdev;
        struct net_device *netdev;
        u8 mac_addr[ETH_ALEN];
        u32 dev_family;
        enum be_interrupt_mode intr_mode;
        struct {
                int num_vectors;
                int start_vector;
                u32 vector_list[MAX_MSIX_VECTORS];
        } msix;
};

/* ocrdma driver register's the callback functions with nic driver. */
struct ocrdma_driver {
        unsigned char name[32];
        u32 be_abi_version;
        struct ocrdma_dev *(*add) (struct be_dev_info *dev_info);
        void (*remove) (struct ocrdma_dev *);
        void (*state_change_handler) (struct ocrdma_dev *, u32 new_state);
};

enum be_roce_event {
        BE_DEV_SHUTDOWN = 2
};

/* APIs for RoCE driver to register callback handlers,
 * which will be invoked when device is added, removed, ifup, ifdown
 */
int be_roce_register_driver(struct ocrdma_driver *drv);
void be_roce_unregister_driver(struct ocrdma_driver *drv);

/* API for RoCE driver to issue mailbox commands */
int be_roce_mcc_cmd(void *netdev_handle, void *wrb_payload,
                    int wrb_payload_size, u16 *cmd_status, u16 *ext_status);

#endif /* BE_ROCE_H */