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net/mlx5: Remove unused exported contiguous coherent buffer allocation API

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All WQ types moved to using the fragmented allocation API
for coherent memory. Contiguous API is not used anymore.
Remove it, reduce the number of exported functions.

Signed-off-by: Tariq Toukan <tariqt@nvidia.com>
Reviewed-by: Moshe Shemesh <moshe@nvidia.com>
Signed-off-by: Saeed Mahameed <saeedm@nvidia.com>
This commit is contained in:
Tariq Toukan 2021-04-27 16:30:32 +03:00 committed by Saeed Mahameed
parent ebf04231cf
commit 4206fe40b2
2 changed files with 0 additions and 50 deletions
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47
drivers/net/ethernet/mellanox/mlx5/core/alloc.c
View File

@ -71,53 +71,6 @@ static void *mlx5_dma_zalloc_coherent_node(struct mlx5_core_dev *dev,
return cpu_handle;
}
static int mlx5_buf_alloc_node(struct mlx5_core_dev *dev, int size,
struct mlx5_frag_buf *buf, int node)
{
dma_addr_t t;
buf->size = size;
buf->npages = 1;
buf->page_shift = (u8)get_order(size) + PAGE_SHIFT;
buf->frags = kzalloc(sizeof(*buf->frags), GFP_KERNEL);
if (!buf->frags)
return -ENOMEM;
buf->frags->buf = mlx5_dma_zalloc_coherent_node(dev, size,
&t, node);
if (!buf->frags->buf)
goto err_out;
buf->frags->map = t;
while (t & ((1 << buf->page_shift) - 1)) {
--buf->page_shift;
buf->npages *= 2;
}
return 0;
err_out:
kfree(buf->frags);
return -ENOMEM;
}
int mlx5_buf_alloc(struct mlx5_core_dev *dev,
int size, struct mlx5_frag_buf *buf)
{
return mlx5_buf_alloc_node(dev, size, buf, dev->priv.numa_node);
}
EXPORT_SYMBOL(mlx5_buf_alloc);
void mlx5_buf_free(struct mlx5_core_dev *dev, struct mlx5_frag_buf *buf)
{
dma_free_coherent(mlx5_core_dma_dev(dev), buf->size, buf->frags->buf,
buf->frags->map);
kfree(buf->frags);
}
EXPORT_SYMBOL_GPL(mlx5_buf_free);
int mlx5_frag_buf_alloc_node(struct mlx5_core_dev *dev, int size,
struct mlx5_frag_buf *buf, int node)
{

3
include/linux/mlx5/driver.h
View File

@ -1009,9 +1009,6 @@ void mlx5_start_health_poll(struct mlx5_core_dev *dev);
void mlx5_stop_health_poll(struct mlx5_core_dev *dev, bool disable_health);
void mlx5_drain_health_wq(struct mlx5_core_dev *dev);
void mlx5_trigger_health_work(struct mlx5_core_dev *dev);
int mlx5_buf_alloc(struct mlx5_core_dev *dev,
int size, struct mlx5_frag_buf *buf);
void mlx5_buf_free(struct mlx5_core_dev *dev, struct mlx5_frag_buf *buf);
int mlx5_frag_buf_alloc_node(struct mlx5_core_dev *dev, int size,
struct mlx5_frag_buf *buf, int node);
void mlx5_frag_buf_free(struct mlx5_core_dev *dev, struct mlx5_frag_buf *buf);