1 // SPDX-License-Identifier: GPL-2.0 OR Linux-OpenIB
2 /* Copyright (c) 2020 Mellanox Technologies Ltd */
4 #include <linux/mlx5/driver.h>
5 #include <linux/mlx5/device.h>
10 static int mlx5_sf_dev_probe(struct auxiliary_device *adev, const struct auxiliary_device_id *id)
12 struct mlx5_sf_dev *sf_dev = container_of(adev, struct mlx5_sf_dev, adev);
13 struct mlx5_core_dev *mdev;
14 struct devlink *devlink;
17 devlink = mlx5_devlink_alloc();
21 mdev = devlink_priv(devlink);
22 mdev->device = &adev->dev;
23 mdev->pdev = sf_dev->parent_mdev->pdev;
24 mdev->bar_addr = sf_dev->bar_base_addr;
25 mdev->iseg_base = sf_dev->bar_base_addr;
26 mdev->coredev_type = MLX5_COREDEV_SF;
27 mdev->priv.parent_mdev = sf_dev->parent_mdev;
28 mdev->priv.adev_idx = adev->id;
31 err = mlx5_mdev_init(mdev, MLX5_DEFAULT_PROF);
33 mlx5_core_warn(mdev, "mlx5_mdev_init on err=%d\n", err);
37 mdev->iseg = ioremap(mdev->iseg_base, sizeof(*mdev->iseg));
39 mlx5_core_warn(mdev, "remap error\n");
43 err = mlx5_load_one(mdev, true);
45 mlx5_core_warn(mdev, "mlx5_load_one err=%d\n", err);
53 mlx5_mdev_uninit(mdev);
55 mlx5_devlink_free(devlink);
59 static void mlx5_sf_dev_remove(struct auxiliary_device *adev)
61 struct mlx5_sf_dev *sf_dev = container_of(adev, struct mlx5_sf_dev, adev);
62 struct devlink *devlink;
64 devlink = priv_to_devlink(sf_dev->mdev);
65 mlx5_unload_one(sf_dev->mdev, true);
66 iounmap(sf_dev->mdev->iseg);
67 mlx5_mdev_uninit(sf_dev->mdev);
68 mlx5_devlink_free(devlink);
71 static void mlx5_sf_dev_shutdown(struct auxiliary_device *adev)
73 struct mlx5_sf_dev *sf_dev = container_of(adev, struct mlx5_sf_dev, adev);
75 mlx5_unload_one(sf_dev->mdev, false);
78 static const struct auxiliary_device_id mlx5_sf_dev_id_table[] = {
79 { .name = MLX5_ADEV_NAME "." MLX5_SF_DEV_ID_NAME, },
83 MODULE_DEVICE_TABLE(auxiliary, mlx5_sf_dev_id_table);
85 static struct auxiliary_driver mlx5_sf_driver = {
86 .name = MLX5_SF_DEV_ID_NAME,
87 .probe = mlx5_sf_dev_probe,
88 .remove = mlx5_sf_dev_remove,
89 .shutdown = mlx5_sf_dev_shutdown,
90 .id_table = mlx5_sf_dev_id_table,
93 int mlx5_sf_driver_register(void)
95 return auxiliary_driver_register(&mlx5_sf_driver);
98 void mlx5_sf_driver_unregister(void)
100 auxiliary_driver_unregister(&mlx5_sf_driver);