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net: hns3: add support for registering devlink for VF

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Add devlink register support for HNS3 ethernet VF driver.

Signed-off-by: Yufeng Mo <moyufeng@huawei.com>
Signed-off-by: Guangbin Huang <huangguangbin2@huawei.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Yufeng Mo 2021-07-26 10:47:03 +08:00 committed by David S. Miller
parent b741269b27
commit cd6242991d
5 changed files with 81 additions and 1 deletions
repo.diff.show_diff_stats Download patch file Download diff file Expand all files Collapse all files

2
drivers/net/ethernet/hisilicon/hns3/hns3vf/Makefile
View file

@ -7,4 +7,4 @@ ccflags-y := -I $(srctree)/drivers/net/ethernet/hisilicon/hns3
ccflags-y += -I $(srctree)/$(src)
obj-$(CONFIG_HNS3_HCLGEVF) += hclgevf.o
hclgevf-objs = hclgevf_main.o hclgevf_cmd.o hclgevf_mbx.o
hclgevf-objs = hclgevf_main.o hclgevf_cmd.o hclgevf_mbx.o hclgevf_devlink.o

54
drivers/net/ethernet/hisilicon/hns3/hns3vf/hclgevf_devlink.c Normal file
View file

@ -0,0 +1,54 @@
// SPDX-License-Identifier: GPL-2.0+
/* Copyright (c) 2021 Hisilicon Limited. */
#include <net/devlink.h>
#include "hclgevf_devlink.h"
static const struct devlink_ops hclgevf_devlink_ops = {
};
int hclgevf_devlink_init(struct hclgevf_dev *hdev)
{
struct pci_dev *pdev = hdev->pdev;
struct hclgevf_devlink_priv *priv;
struct devlink *devlink;
int ret;
devlink = devlink_alloc(&hclgevf_devlink_ops,
sizeof(struct hclgevf_devlink_priv));
if (!devlink)
return -ENOMEM;
priv = devlink_priv(devlink);
priv->hdev = hdev;
ret = devlink_register(devlink, &pdev->dev);
if (ret) {
dev_err(&pdev->dev, "failed to register devlink, ret = %d\n",
ret);
goto out_reg_fail;
}
hdev->devlink = devlink;
return 0;
out_reg_fail:
devlink_free(devlink);
return ret;
}
void hclgevf_devlink_uninit(struct hclgevf_dev *hdev)
{
struct devlink *devlink = hdev->devlink;
if (!devlink)
return;
devlink_unregister(devlink);
devlink_free(devlink);
hdev->devlink = NULL;
}

15
drivers/net/ethernet/hisilicon/hns3/hns3vf/hclgevf_devlink.h Normal file
View file

@ -0,0 +1,15 @@
/* SPDX-License-Identifier: GPL-2.0+ */
/* Copyright (c) 2021 Hisilicon Limited. */
#ifndef __HCLGEVF_DEVLINK_H
#define __HCLGEVF_DEVLINK_H
#include "hclgevf_main.h"
struct hclgevf_devlink_priv {
struct hclgevf_dev *hdev;
};
int hclgevf_devlink_init(struct hclgevf_dev *hdev);
void hclgevf_devlink_uninit(struct hclgevf_dev *hdev);
#endif

8
drivers/net/ethernet/hisilicon/hns3/hns3vf/hclgevf_main.c
View file

@ -8,6 +8,7 @@
#include "hclgevf_main.h"
#include "hclge_mbx.h"
#include "hnae3.h"
#include "hclgevf_devlink.h"
#define HCLGEVF_NAME "hclgevf"
@ -3337,6 +3338,10 @@ static int hclgevf_init_hdev(struct hclgevf_dev *hdev)
if (ret)
return ret;
ret = hclgevf_devlink_init(hdev);
if (ret)
goto err_devlink_init;
ret = hclgevf_cmd_queue_init(hdev);
if (ret)
goto err_cmd_queue_init;
@ -3441,6 +3446,8 @@ static int hclgevf_init_hdev(struct hclgevf_dev *hdev)
err_cmd_init:
hclgevf_cmd_uninit(hdev);
err_cmd_queue_init:
hclgevf_devlink_uninit(hdev);
err_devlink_init:
hclgevf_pci_uninit(hdev);
clear_bit(HCLGEVF_STATE_IRQ_INITED, &hdev->state);
return ret;
@ -3462,6 +3469,7 @@ static void hclgevf_uninit_hdev(struct hclgevf_dev *hdev)
}
hclgevf_cmd_uninit(hdev);
hclgevf_devlink_uninit(hdev);
hclgevf_pci_uninit(hdev);
hclgevf_uninit_mac_list(hdev);
}

3
drivers/net/ethernet/hisilicon/hns3/hns3vf/hclgevf_main.h
View file

@ -6,6 +6,7 @@
#include <linux/fs.h>
#include <linux/if_vlan.h>
#include <linux/types.h>
#include <net/devlink.h>
#include "hclge_mbx.h"
#include "hclgevf_cmd.h"
#include "hnae3.h"
@ -330,6 +331,8 @@ struct hclgevf_dev {
u32 flag;
unsigned long serv_processed_cnt;
unsigned long last_serv_processed;
struct devlink *devlink;
};
static inline bool hclgevf_is_reset_pending(struct hclgevf_dev *hdev)