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