linux-loongson/drivers/net/ethernet/huawei/hinic3/hinic3_hw_comm.c
Fan Gong 17fcb3dc12 hinic3: module initialization and tx/rx logic
This is [1/3] part of hinic3 Ethernet driver initial submission.
With this patch hinic3 is a valid kernel module but non-functional
driver.

The driver parts contained in this patch:
Module initialization.
PCI driver registration but with empty id_table.
Auxiliary driver registration.
Net device_ops registration but open/stop are empty stubs.
tx/rx logic.

All major data structures of the driver are fully introduced with the
code that uses them but without their initialization code that requires
management interface with the hw.

Co-developed-by: Xin Guo <guoxin09@huawei.com>
Signed-off-by: Xin Guo <guoxin09@huawei.com>
Signed-off-by: Fan Gong <gongfan1@huawei.com>
Co-developed-by: Gur Stavi <gur.stavi@huawei.com>
Signed-off-by: Gur Stavi <gur.stavi@huawei.com>
Link: https://patch.msgid.link/76a137ffdfe115c737c2c224f0c93b60ba53cc16.1747736586.git.gur.stavi@huawei.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
2025-05-21 20:31:42 -07:00

33 lines
891 B
C

// SPDX-License-Identifier: GPL-2.0
// Copyright (c) Huawei Technologies Co., Ltd. 2025. All rights reserved.
#include <linux/delay.h>
#include "hinic3_hw_comm.h"
#include "hinic3_hwdev.h"
#include "hinic3_hwif.h"
#include "hinic3_mbox.h"
int hinic3_func_reset(struct hinic3_hwdev *hwdev, u16 func_id, u64 reset_flag)
{
struct comm_cmd_func_reset func_reset = {};
struct mgmt_msg_params msg_params = {};
int err;
func_reset.func_id = func_id;
func_reset.reset_flag = reset_flag;
mgmt_msg_params_init_default(&msg_params, &func_reset,
sizeof(func_reset));
err = hinic3_send_mbox_to_mgmt(hwdev, MGMT_MOD_COMM,
COMM_CMD_FUNC_RESET, &msg_params);
if (err || func_reset.head.status) {
dev_err(hwdev->dev, "Failed to reset func resources, reset_flag 0x%llx, err: %d, status: 0x%x\n",
reset_flag, err, func_reset.head.status);
return -EIO;
}
return 0;
}