mirror of
https://mirrors.bfsu.edu.cn/git/linux.git
synced 2024-11-13 14:24:11 +08:00
mlx4: Delete custom device management logic
After the conversion to use the auxiliary bus, the custom device management is not needed anymore and can be deleted. Signed-off-by: Petr Pavlu <petr.pavlu@suse.com> Tested-by: Leon Romanovsky <leonro@nvidia.com> Reviewed-by: Leon Romanovsky <leonro@nvidia.com> Acked-by: Tariq Toukan <tariqt@nvidia.com> Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Petr Pavlu
David S. Miller
parent
7d22b1cb9d
commit
c138cdb89a
@ -38,15 +38,6 @@
|
||||
|
||||
#include "mlx4.h"
|
||||
|
||||
struct mlx4_device_context {
|
||||
struct list_head list;
|
||||
struct list_head bond_list;
|
||||
struct mlx4_interface *intf;
|
||||
void *context;
|
||||
};
|
||||
|
||||
static LIST_HEAD(intf_list);
|
||||
static LIST_HEAD(dev_list);
|
||||
static DEFINE_MUTEX(intf_mutex);
|
||||
static DEFINE_IDA(mlx4_adev_ida);
|
||||
|
||||
@ -156,77 +147,6 @@ static void del_adev(struct auxiliary_device *adev)
|
||||
auxiliary_device_uninit(adev);
|
||||
}
|
||||
|
||||
static void mlx4_add_device(struct mlx4_interface *intf, struct mlx4_priv *priv)
|
||||
{
|
||||
struct mlx4_device_context *dev_ctx;
|
||||
|
||||
dev_ctx = kmalloc(sizeof(*dev_ctx), GFP_KERNEL);
|
||||
if (!dev_ctx)
|
||||
return;
|
||||
|
||||
dev_ctx->intf = intf;
|
||||
dev_ctx->context = intf->add(&priv->dev);
|
||||
|
||||
if (dev_ctx->context) {
|
||||
spin_lock_irq(&priv->ctx_lock);
|
||||
list_add_tail(&dev_ctx->list, &priv->ctx_list);
|
||||
spin_unlock_irq(&priv->ctx_lock);
|
||||
} else
|
||||
kfree(dev_ctx);
|
||||
|
||||
}
|
||||
|
||||
static void mlx4_remove_device(struct mlx4_interface *intf, struct mlx4_priv *priv)
|
||||
{
|
||||
struct mlx4_device_context *dev_ctx;
|
||||
|
||||
list_for_each_entry(dev_ctx, &priv->ctx_list, list)
|
||||
if (dev_ctx->intf == intf) {
|
||||
spin_lock_irq(&priv->ctx_lock);
|
||||
list_del(&dev_ctx->list);
|
||||
spin_unlock_irq(&priv->ctx_lock);
|
||||
|
||||
intf->remove(&priv->dev, dev_ctx->context);
|
||||
kfree(dev_ctx);
|
||||
return;
|
||||
}
|
||||
}
|
||||
|
||||
int mlx4_register_interface(struct mlx4_interface *intf)
|
||||
{
|
||||
struct mlx4_priv *priv;
|
||||
|
||||
if (!intf->add || !intf->remove)
|
||||
return -EINVAL;
|
||||
|
||||
mutex_lock(&intf_mutex);
|
||||
|
||||
list_add_tail(&intf->list, &intf_list);
|
||||
list_for_each_entry(priv, &dev_list, dev_list) {
|
||||
mlx4_add_device(intf, priv);
|
||||
}
|
||||
|
||||
mutex_unlock(&intf_mutex);
|
||||
|
||||
return 0;
|
||||
}
|
||||
EXPORT_SYMBOL_GPL(mlx4_register_interface);
|
||||
|
||||
void mlx4_unregister_interface(struct mlx4_interface *intf)
|
||||
{
|
||||
struct mlx4_priv *priv;
|
||||
|
||||
mutex_lock(&intf_mutex);
|
||||
|
||||
list_for_each_entry(priv, &dev_list, dev_list)
|
||||
mlx4_remove_device(intf, priv);
|
||||
|
||||
list_del(&intf->list);
|
||||
|
||||
mutex_unlock(&intf_mutex);
|
||||
}
|
||||
EXPORT_SYMBOL_GPL(mlx4_unregister_interface);
|
||||
|
||||
int mlx4_register_auxiliary_driver(struct mlx4_adrv *madrv)
|
||||
{
|
||||
return auxiliary_driver_register(&madrv->adrv);
|
||||
@ -242,10 +162,7 @@ EXPORT_SYMBOL_GPL(mlx4_unregister_auxiliary_driver);
|
||||
int mlx4_do_bond(struct mlx4_dev *dev, bool enable)
|
||||
{
|
||||
struct mlx4_priv *priv = mlx4_priv(dev);
|
||||
struct mlx4_device_context *dev_ctx = NULL, *temp_dev_ctx;
|
||||
unsigned long flags;
|
||||
int i, ret;
|
||||
LIST_HEAD(bond_list);
|
||||
|
||||
if (!(dev->caps.flags2 & MLX4_DEV_CAP_FLAG2_PORT_REMAP))
|
||||
return -EOPNOTSUPP;
|
||||
@ -267,36 +184,6 @@ int mlx4_do_bond(struct mlx4_dev *dev, bool enable)
|
||||
dev->flags &= ~MLX4_FLAG_BONDED;
|
||||
}
|
||||
|
||||
spin_lock_irqsave(&priv->ctx_lock, flags);
|
||||
list_for_each_entry_safe(dev_ctx, temp_dev_ctx, &priv->ctx_list, list) {
|
||||
if (!(dev_ctx->intf->flags & MLX4_INTFF_BONDING))
|
||||
continue;
|
||||
|
||||
if (mlx4_is_mfunc(dev)) {
|
||||
mlx4_dbg(dev,
|
||||
"SRIOV, disabled HA mode for intf proto %d\n",
|
||||
dev_ctx->intf->protocol);
|
||||
continue;
|
||||
}
|
||||
|
||||
list_add_tail(&dev_ctx->bond_list, &bond_list);
|
||||
list_del(&dev_ctx->list);
|
||||
}
|
||||
spin_unlock_irqrestore(&priv->ctx_lock, flags);
|
||||
|
||||
list_for_each_entry(dev_ctx, &bond_list, bond_list) {
|
||||
dev_ctx->intf->remove(dev, dev_ctx->context);
|
||||
dev_ctx->context = dev_ctx->intf->add(dev);
|
||||
|
||||
spin_lock_irqsave(&priv->ctx_lock, flags);
|
||||
list_add_tail(&dev_ctx->list, &priv->ctx_list);
|
||||
spin_unlock_irqrestore(&priv->ctx_lock, flags);
|
||||
|
||||
mlx4_dbg(dev, "Interface for protocol %d restarted with bonded mode %s\n",
|
||||
dev_ctx->intf->protocol, enable ?
|
||||
"enabled" : "disabled");
|
||||
}
|
||||
|
||||
mutex_lock(&intf_mutex);
|
||||
|
||||
for (i = 0; i < ARRAY_SIZE(mlx4_adev_devices); i++) {
|
||||
@ -447,16 +334,11 @@ static int rescan_drivers_locked(struct mlx4_dev *dev)
|
||||
|
||||
int mlx4_register_device(struct mlx4_dev *dev)
|
||||
{
|
||||
struct mlx4_priv *priv = mlx4_priv(dev);
|
||||
struct mlx4_interface *intf;
|
||||
int ret;
|
||||
|
||||
mutex_lock(&intf_mutex);
|
||||
|
||||
dev->persist->interface_state |= MLX4_INTERFACE_STATE_UP;
|
||||
list_add_tail(&priv->dev_list, &dev_list);
|
||||
list_for_each_entry(intf, &intf_list, list)
|
||||
mlx4_add_device(intf, priv);
|
||||
|
||||
ret = rescan_drivers_locked(dev);
|
||||
|
||||
@ -474,9 +356,6 @@ int mlx4_register_device(struct mlx4_dev *dev)
|
||||
|
||||
void mlx4_unregister_device(struct mlx4_dev *dev)
|
||||
{
|
||||
struct mlx4_priv *priv = mlx4_priv(dev);
|
||||
struct mlx4_interface *intf;
|
||||
|
||||
if (!(dev->persist->interface_state & MLX4_INTERFACE_STATE_UP))
|
||||
return;
|
||||
|
||||
@ -495,10 +374,6 @@ void mlx4_unregister_device(struct mlx4_dev *dev)
|
||||
}
|
||||
mutex_lock(&intf_mutex);
|
||||
|
||||
list_for_each_entry(intf, &intf_list, list)
|
||||
mlx4_remove_device(intf, priv);
|
||||
|
||||
list_del(&priv->dev_list);
|
||||
dev->persist->interface_state &= ~MLX4_INTERFACE_STATE_UP;
|
||||
|
||||
rescan_drivers_locked(dev);
|
||||
|
||||
@ -42,7 +42,6 @@
|
||||
#include <linux/slab.h>
|
||||
#include <linux/io-mapping.h>
|
||||
#include <linux/delay.h>
|
||||
#include <linux/kmod.h>
|
||||
#include <linux/etherdevice.h>
|
||||
#include <net/devlink.h>
|
||||
|
||||
@ -1091,27 +1090,6 @@ free_mem:
|
||||
return err;
|
||||
}
|
||||
|
||||
static void mlx4_request_modules(struct mlx4_dev *dev)
|
||||
{
|
||||
int port;
|
||||
int has_ib_port = false;
|
||||
int has_eth_port = false;
|
||||
#define EN_DRV_NAME "mlx4_en"
|
||||
#define IB_DRV_NAME "mlx4_ib"
|
||||
|
||||
for (port = 1; port <= dev->caps.num_ports; port++) {
|
||||
if (dev->caps.port_type[port] == MLX4_PORT_TYPE_IB)
|
||||
has_ib_port = true;
|
||||
else if (dev->caps.port_type[port] == MLX4_PORT_TYPE_ETH)
|
||||
has_eth_port = true;
|
||||
}
|
||||
|
||||
if (has_eth_port)
|
||||
request_module_nowait(EN_DRV_NAME);
|
||||
if (has_ib_port || (dev->caps.flags & MLX4_DEV_CAP_FLAG_IBOE))
|
||||
request_module_nowait(IB_DRV_NAME);
|
||||
}
|
||||
|
||||
/*
|
||||
* Change the port configuration of the device.
|
||||
* Every user of this function must hold the port mutex.
|
||||
@ -1147,7 +1125,6 @@ int mlx4_change_port_types(struct mlx4_dev *dev,
|
||||
mlx4_err(dev, "Failed to register device\n");
|
||||
goto out;
|
||||
}
|
||||
mlx4_request_modules(dev);
|
||||
}
|
||||
|
||||
out:
|
||||
@ -3426,9 +3403,6 @@ static int mlx4_load_one(struct pci_dev *pdev, int pci_dev_data,
|
||||
devl_assert_locked(devlink);
|
||||
dev = &priv->dev;
|
||||
|
||||
INIT_LIST_HEAD(&priv->ctx_list);
|
||||
spin_lock_init(&priv->ctx_lock);
|
||||
|
||||
err = mlx4_adev_init(dev);
|
||||
if (err)
|
||||
return err;
|
||||
@ -3732,8 +3706,6 @@ slave_start:
|
||||
if (err)
|
||||
goto err_port;
|
||||
|
||||
mlx4_request_modules(dev);
|
||||
|
||||
mlx4_sense_init(dev);
|
||||
mlx4_start_sense(dev);
|
||||
|
||||
|
||||
@ -882,9 +882,6 @@ enum {
|
||||
struct mlx4_priv {
|
||||
struct mlx4_dev dev;
|
||||
|
||||
struct list_head dev_list;
|
||||
struct list_head ctx_list;
|
||||
spinlock_t ctx_lock;
|
||||
struct mlx4_adev **adev;
|
||||
int adev_idx;
|
||||
struct atomic_notifier_head event_nh;
|
||||
|
||||
@ -58,22 +58,12 @@ enum {
|
||||
MLX4_INTFF_BONDING = 1 << 0
|
||||
};
|
||||
|
||||
struct mlx4_interface {
|
||||
void * (*add) (struct mlx4_dev *dev);
|
||||
void (*remove)(struct mlx4_dev *dev, void *context);
|
||||
struct list_head list;
|
||||
enum mlx4_protocol protocol;
|
||||
int flags;
|
||||
};
|
||||
|
||||
struct mlx4_adrv {
|
||||
struct auxiliary_driver adrv;
|
||||
enum mlx4_protocol protocol;
|
||||
int flags;
|
||||
};
|
||||
|
||||
int mlx4_register_interface(struct mlx4_interface *intf);
|
||||
void mlx4_unregister_interface(struct mlx4_interface *intf);
|
||||
int mlx4_register_auxiliary_driver(struct mlx4_adrv *madrv);
|
||||
void mlx4_unregister_auxiliary_driver(struct mlx4_adrv *madrv);
|
||||
|
||||
|
||||
Loading…
Reference in New Issue
Block a user