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mlx4: Split restart_one into two functions 

Split the function restart_one into two functions and separate teardown
and buildup.

Signed-off-by: Jiri Pirko <jiri@mellanox.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Jiri Pirko 2019-09-12 10:49:44 +02:00 committed by David S. Miller
parent c6af0c227a
commit 35c7ff349a
3 changed files with 23 additions and 7 deletions
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2
drivers/net/ethernet/mellanox/mlx4/catas.c
View File

@ -210,7 +210,7 @@ static void mlx4_handle_error_state(struct mlx4_dev_persistent *persist)
mutex_lock(&persist->interface_state_mutex);
if (persist->interface_state & MLX4_INTERFACE_STATE_UP &&
!(persist->interface_state & MLX4_INTERFACE_STATE_DELETION)) {
err = mlx4_restart_one(persist->pdev, false, NULL);
err = mlx4_restart_one(persist->pdev);
mlx4_info(persist->dev, "mlx4_restart_one was ended, ret=%d\n",
err);
}

25
drivers/net/ethernet/mellanox/mlx4/main.c
View File

@ -3931,6 +3931,10 @@ static void mlx4_devlink_param_load_driverinit_values(struct devlink *devlink)
}
}
static void mlx4_restart_one_down(struct pci_dev *pdev);
static int mlx4_restart_one_up(struct pci_dev *pdev, bool reload,
struct devlink *devlink);
static int mlx4_devlink_reload(struct devlink *devlink,
struct netlink_ext_ack *extack)
{
@ -3941,9 +3945,11 @@ static int mlx4_devlink_reload(struct devlink *devlink,
if (persist->num_vfs)
mlx4_warn(persist->dev, "Reload performed on PF, will cause reset on operating Virtual Functions\n");
err = mlx4_restart_one(persist->pdev, true, devlink);
mlx4_restart_one_down(persist->pdev);
err = mlx4_restart_one_up(persist->pdev, true, devlink);
if (err)
mlx4_err(persist->dev, "mlx4_restart_one failed, ret=%d\n", err);
mlx4_err(persist->dev, "mlx4_restart_one_up failed, ret=%d\n",
err);
return err;
}
@ -4163,7 +4169,13 @@ static int restore_current_port_types(struct mlx4_dev *dev,
return err;
}
int mlx4_restart_one(struct pci_dev *pdev, bool reload, struct devlink *devlink)
static void mlx4_restart_one_down(struct pci_dev *pdev)
{
mlx4_unload_one(pdev);
}
static int mlx4_restart_one_up(struct pci_dev *pdev, bool reload,
struct devlink *devlink)
{
struct mlx4_dev_persistent *persist = pci_get_drvdata(pdev);
struct mlx4_dev *dev = persist->dev;
@ -4175,7 +4187,6 @@ int mlx4_restart_one(struct pci_dev *pdev, bool reload, struct devlink *devlink)
total_vfs = dev->persist->num_vfs;
memcpy(nvfs, dev->persist->nvfs, sizeof(dev->persist->nvfs));
mlx4_unload_one(pdev);
if (reload)
mlx4_devlink_param_load_driverinit_values(devlink);
err = mlx4_load_one(pdev, pci_dev_data, total_vfs, nvfs, priv, 1);
@ -4194,6 +4205,12 @@ int mlx4_restart_one(struct pci_dev *pdev, bool reload, struct devlink *devlink)
return err;
}
int mlx4_restart_one(struct pci_dev *pdev)
{
mlx4_restart_one_down(pdev);
return mlx4_restart_one_up(pdev, false, NULL);
}
#define MLX_SP(id) { PCI_VDEVICE(MELLANOX, id), MLX4_PCI_DEV_FORCE_SENSE_PORT }
#define MLX_VF(id) { PCI_VDEVICE(MELLANOX, id), MLX4_PCI_DEV_IS_VF }
#define MLX_GN(id) { PCI_VDEVICE(MELLANOX, id), 0 }

3
drivers/net/ethernet/mellanox/mlx4/mlx4.h
View File

@ -1043,8 +1043,7 @@ int mlx4_catas_init(struct mlx4_dev *dev);
void mlx4_catas_end(struct mlx4_dev *dev);
int mlx4_crdump_init(struct mlx4_dev *dev);
void mlx4_crdump_end(struct mlx4_dev *dev);
int mlx4_restart_one(struct pci_dev *pdev, bool reload,
struct devlink *devlink);
int mlx4_restart_one(struct pci_dev *pdev);
int mlx4_register_device(struct mlx4_dev *dev);
void mlx4_unregister_device(struct mlx4_dev *dev);
void mlx4_dispatch_event(struct mlx4_dev *dev, enum mlx4_dev_event type,