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net/mlx5: Verify module parameters
Verify the mlx5_core module parameters by making sure that they are in
the expected range and if they aren't restore them to their default
values.
Fixes: 9603b61de1
('mlx5: Move pci device handling from mlx5_ib to mlx5_core')
Signed-off-by: Kamal Heib <kamalh@mellanox.com>
Signed-off-by: Saeed Mahameed <saeedm@mellanox.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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@ -62,13 +62,13 @@ MODULE_DESCRIPTION("Mellanox Connect-IB, ConnectX-4 core driver");
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MODULE_LICENSE("Dual BSD/GPL");
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MODULE_VERSION(DRIVER_VERSION);
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int mlx5_core_debug_mask;
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module_param_named(debug_mask, mlx5_core_debug_mask, int, 0644);
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unsigned int mlx5_core_debug_mask;
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module_param_named(debug_mask, mlx5_core_debug_mask, uint, 0644);
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MODULE_PARM_DESC(debug_mask, "debug mask: 1 = dump cmd data, 2 = dump cmd exec time, 3 = both. Default=0");
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#define MLX5_DEFAULT_PROF 2
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static int prof_sel = MLX5_DEFAULT_PROF;
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module_param_named(prof_sel, prof_sel, int, 0444);
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static unsigned int prof_sel = MLX5_DEFAULT_PROF;
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module_param_named(prof_sel, prof_sel, uint, 0444);
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MODULE_PARM_DESC(prof_sel, "profile selector. Valid range 0 - 2");
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enum {
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@ -1227,13 +1227,6 @@ static int init_one(struct pci_dev *pdev,
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dev->pdev = pdev;
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dev->event = mlx5_core_event;
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if (prof_sel < 0 || prof_sel >= ARRAY_SIZE(profile)) {
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mlx5_core_warn(dev,
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"selected profile out of range, selecting default (%d)\n",
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MLX5_DEFAULT_PROF);
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prof_sel = MLX5_DEFAULT_PROF;
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}
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dev->profile = &profile[prof_sel];
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INIT_LIST_HEAD(&priv->ctx_list);
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@ -1450,10 +1443,22 @@ static struct pci_driver mlx5_core_driver = {
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.sriov_configure = mlx5_core_sriov_configure,
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};
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static void mlx5_core_verify_params(void)
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{
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if (prof_sel >= ARRAY_SIZE(profile)) {
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pr_warn("mlx5_core: WARNING: Invalid module parameter prof_sel %d, valid range 0-%zu, changing back to default(%d)\n",
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prof_sel,
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ARRAY_SIZE(profile) - 1,
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MLX5_DEFAULT_PROF);
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prof_sel = MLX5_DEFAULT_PROF;
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}
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}
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static int __init init(void)
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{
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int err;
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mlx5_core_verify_params();
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mlx5_register_debugfs();
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err = pci_register_driver(&mlx5_core_driver);
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@ -44,7 +44,7 @@
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#define MLX5_TOTAL_VPORTS(mdev) (1 + pci_sriov_get_totalvfs(mdev->pdev))
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extern int mlx5_core_debug_mask;
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extern uint mlx5_core_debug_mask;
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#define mlx5_core_dbg(__dev, format, ...) \
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dev_dbg(&(__dev)->pdev->dev, "%s:%s:%d:(pid %d): " format, \
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