disable FB

hc

2024-01-04 1543e317f1da31b75942316931e8f491a8920811

 kernel/drivers/net/ethernet/mellanox/mlx5/core/uar.c
..
..
@@ -34,17 +34,16 @@
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 #include <linux/module.h>
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 #include <linux/io-mapping.h>
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 #include <linux/mlx5/driver.h>
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-#include <linux/mlx5/cmd.h>
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 #include "mlx5_core.h"
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 int mlx5_cmd_alloc_uar(struct mlx5_core_dev *dev, u32 *uarn)
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 {
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-	u32 out[MLX5_ST_SZ_DW(alloc_uar_out)] = {0};
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-	u32 in[MLX5_ST_SZ_DW(alloc_uar_in)]   = {0};
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+	u32 out[MLX5_ST_SZ_DW(alloc_uar_out)] = {};
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+	u32 in[MLX5_ST_SZ_DW(alloc_uar_in)] = {};
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 	int err;
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 	MLX5_SET(alloc_uar_in, in, opcode, MLX5_CMD_OP_ALLOC_UAR);
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-	err = mlx5_cmd_exec(dev, in, sizeof(in), out, sizeof(out));
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+	err = mlx5_cmd_exec_inout(dev, alloc_uar, in, out);
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 	if (!err)
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 		*uarn = MLX5_GET(alloc_uar_out, out, uar);
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 	return err;
..
..
@@ -53,12 +52,11 @@
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52
 
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 int mlx5_cmd_free_uar(struct mlx5_core_dev *dev, u32 uarn)
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 {
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-	u32 out[MLX5_ST_SZ_DW(dealloc_uar_out)] = {0};
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-	u32 in[MLX5_ST_SZ_DW(dealloc_uar_in)]   = {0};
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+	u32 in[MLX5_ST_SZ_DW(dealloc_uar_in)] = {};
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 	MLX5_SET(dealloc_uar_in, in, opcode, MLX5_CMD_OP_DEALLOC_UAR);
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 	MLX5_SET(dealloc_uar_in, in, uar, uarn);
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-	return mlx5_cmd_exec(dev, in, sizeof(in), out, sizeof(out));
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+	return mlx5_cmd_exec_in(dev, dealloc_uar, in);
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 }
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 EXPORT_SYMBOL(mlx5_cmd_free_uar);
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..
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@@ -79,7 +77,7 @@
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 	else
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 		system_page_index = index;
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-	return (pci_resource_start(mdev->pdev, 0) >> PAGE_SHIFT) + system_page_index;
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+	return (mdev->bar_addr >> PAGE_SHIFT) + system_page_index;
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 }
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 static void up_rel_func(struct kref *kref)
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@@ -90,8 +88,8 @@
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 	iounmap(up->map);
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 	if (mlx5_cmd_free_uar(up->mdev, up->index))
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 		mlx5_core_warn(up->mdev, "failed to free uar index %d\n", up->index);
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-	kfree(up->reg_bitmap);
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-	kfree(up->fp_bitmap);
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+	bitmap_free(up->reg_bitmap);
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+	bitmap_free(up->fp_bitmap);
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 	kfree(up);
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 }
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..
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@@ -110,11 +108,11 @@
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 		return ERR_PTR(err);
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 	up->mdev = mdev;
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-	up->reg_bitmap = kcalloc(BITS_TO_LONGS(bfregs), sizeof(unsigned long), GFP_KERNEL);
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+	up->reg_bitmap = bitmap_zalloc(bfregs, GFP_KERNEL);
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 	if (!up->reg_bitmap)
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 		goto error1;
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-	up->fp_bitmap = kcalloc(BITS_TO_LONGS(bfregs), sizeof(unsigned long), GFP_KERNEL);
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+	up->fp_bitmap = bitmap_zalloc(bfregs, GFP_KERNEL);
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 	if (!up->fp_bitmap)
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 		goto error1;
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..
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@@ -157,8 +155,8 @@
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 	if (mlx5_cmd_free_uar(mdev, up->index))
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 		mlx5_core_warn(mdev, "failed to free uar index %d\n", up->index);
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 error1:
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-	kfree(up->fp_bitmap);
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-	kfree(up->reg_bitmap);
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+	bitmap_free(up->fp_bitmap);
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+	bitmap_free(up->reg_bitmap);
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 	kfree(up);
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 	return ERR_PTR(err);
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 }