/* SPDX-License-Identifier: GPL-2.0-or-later */
/*
 * Driver for Alibaba Elastic Ethernet Adapter.
 *
 * Copyright (C) 2025 Alibaba Inc.
 */

#ifndef __EEA_ADMINQ_H__
#define __EEA_ADMINQ_H__

struct eea_aq_cfg {
        __le32 rx_depth_max;
        __le32 rx_depth_def;

        __le32 tx_depth_max;
        __le32 tx_depth_def;

        __le32 max_tso_size;
        __le32 max_tso_segs;

        u8 mac[ETH_ALEN];
        __le16 status;

        __le16 mtu;
        __le16 reserved0;
        __le16 reserved1;
        u8 reserved2;
        u8 reserved3;

        __le16 reserved4;
        __le16 reserved5;
        __le16 reserved6;
};

struct eea_aq_queue_status {
        __le16 qidx;
#define EEA_QUEUE_STATUS_OK 0
#define EEA_QUEUE_STATUS_NEED_RESET 1
        __le16 status;
};

struct __eea_aq_dev_status {
#define EEA_LINK_DOWN_STATUS  0
#define EEA_LINK_UP_STATUS    1
        __le16 link_status;
        __le16 reserved;

        struct eea_aq_queue_status q_status[];
};

struct eea_aq_dev_status {
        u32 num;
        struct __eea_aq_dev_status *status;
};

struct eea_aq {
        struct eea_ring *ring;
        u32 num;
        bool broken;
        u16 phase;

        /* lock for adminq exec */
        struct mutex lock;

        u32 q_req_size;
        u32 q_res_size;
        struct eea_aq_create *q_req_buf;
        __le32 *q_res_buf;
};

struct eea_net;

int eea_create_adminq(struct eea_net *enet, u32 qid);
void eea_destroy_adminq(struct eea_net *enet);

int eea_adminq_query_cfg(struct eea_net *enet, struct eea_aq_cfg *cfg);

int eea_adminq_create_q(struct eea_net *enet, u32 num, u32 flags);
int eea_adminq_destroy_all_q(struct eea_net *enet);
int eea_adminq_dev_status(struct eea_net *enet,
                          struct eea_aq_dev_status *dstatus);
void eea_adminq_config_host_info(struct eea_net *enet);
#endif