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/*
* Huawei HiNIC PCI Express Linux driver
* Copyright(c) 2017 Huawei Technologies Co., Ltd
*
* This program is free software; you can redistribute it and/or modify it
* under the terms and conditions of the GNU General Public License,
* version 2, as published by the Free Software Foundation.
*
* This program is distributed in the hope it will be useful, but WITHOUT
* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
* for more details.
*
*/
#include <linux/kernel.h>
#include <linux/types.h>
#include <linux/errno.h>
#include "hinic_hw_if.h"
#include "hinic_hw_eqs.h"
#include "hinic_hw_mgmt.h"
#include "hinic_hw_dev.h"
#define mgmt_to_pfhwdev(pf_mgmt) \
container_of(pf_mgmt, struct hinic_pfhwdev, pf_to_mgmt)
/**
* hinic_msg_to_mgmt - send message to mgmt
* @pf_to_mgmt: PF to MGMT channel
* @mod: module in the chip that will get the message
* @cmd: command of the message
* @buf_in: the msg data
* @in_size: the msg data length
* @buf_out: response
* @out_size: returned response length
* @sync: sync msg or async msg
*
* Return 0 - Success, negative - Failure
**/
int hinic_msg_to_mgmt(struct hinic_pf_to_mgmt *pf_to_mgmt,
enum hinic_mod_type mod, u8 cmd,
void *buf_in, u16 in_size, void *buf_out, u16 *out_size,
enum hinic_mgmt_msg_type sync)
{
/* should be implemented */
return -EINVAL;
}
/**
* mgmt_msg_aeqe_handler - handler for a mgmt message event
* @handle: PF to MGMT channel
* @data: the header of the message
* @size: unused
**/
static void mgmt_msg_aeqe_handler(void *handle, void *data, u8 size)
{
/* should be implemented */
}
/**
* hinic_pf_to_mgmt_init - initialize PF to MGMT channel
* @pf_to_mgmt: PF to MGMT channel
* @hwif: HW interface the PF to MGMT will use for accessing HW
*
* Return 0 - Success, negative - Failure
**/
int hinic_pf_to_mgmt_init(struct hinic_pf_to_mgmt *pf_to_mgmt,
struct hinic_hwif *hwif)
{
struct hinic_pfhwdev *pfhwdev = mgmt_to_pfhwdev(pf_to_mgmt);
struct hinic_hwdev *hwdev = &pfhwdev->hwdev;
pf_to_mgmt->hwif = hwif;
hinic_aeq_register_hw_cb(&hwdev->aeqs, HINIC_MSG_FROM_MGMT_CPU,
pf_to_mgmt,
mgmt_msg_aeqe_handler);
return 0;
}
/**
* hinic_pf_to_mgmt_free - free PF to MGMT channel
* @pf_to_mgmt: PF to MGMT channel
**/
void hinic_pf_to_mgmt_free(struct hinic_pf_to_mgmt *pf_to_mgmt)
{
struct hinic_pfhwdev *pfhwdev = mgmt_to_pfhwdev(pf_to_mgmt);
struct hinic_hwdev *hwdev = &pfhwdev->hwdev;
hinic_aeq_unregister_hw_cb(&hwdev->aeqs, HINIC_MSG_FROM_MGMT_CPU);
}
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