From 1543e317f1da31b75942316931e8f491a8920811 Mon Sep 17 00:00:00 2001
From: hc <hc@nodka.com>
Date: Thu, 04 Jan 2024 10:08:02 +0000
Subject: [PATCH] disable FB
---
kernel/drivers/net/ethernet/mellanox/mlx5/core/alloc.c | 45 +++++++++++++++++++++++++--------------------
1 files changed, 25 insertions(+), 20 deletions(-)
diff --git a/kernel/drivers/net/ethernet/mellanox/mlx5/core/alloc.c b/kernel/drivers/net/ethernet/mellanox/mlx5/core/alloc.c
index 456f300..291e427 100644
--- a/kernel/drivers/net/ethernet/mellanox/mlx5/core/alloc.c
+++ b/kernel/drivers/net/ethernet/mellanox/mlx5/core/alloc.c
@@ -56,22 +56,23 @@
size_t size, dma_addr_t *dma_handle,
int node)
{
+ struct device *device = mlx5_core_dma_dev(dev);
struct mlx5_priv *priv = &dev->priv;
int original_node;
void *cpu_handle;
mutex_lock(&priv->alloc_mutex);
- original_node = dev_to_node(&dev->pdev->dev);
- set_dev_node(&dev->pdev->dev, node);
- cpu_handle = dma_zalloc_coherent(&dev->pdev->dev, size,
- dma_handle, GFP_KERNEL);
- set_dev_node(&dev->pdev->dev, original_node);
+ original_node = dev_to_node(device);
+ set_dev_node(device, node);
+ cpu_handle = dma_alloc_coherent(device, size, dma_handle,
+ GFP_KERNEL);
+ set_dev_node(device, original_node);
mutex_unlock(&priv->alloc_mutex);
return cpu_handle;
}
-int mlx5_buf_alloc_node(struct mlx5_core_dev *dev, int size,
- struct mlx5_frag_buf *buf, int node)
+static int mlx5_buf_alloc_node(struct mlx5_core_dev *dev, int size,
+ struct mlx5_frag_buf *buf, int node)
{
dma_addr_t t;
@@ -110,7 +111,7 @@
void mlx5_buf_free(struct mlx5_core_dev *dev, struct mlx5_frag_buf *buf)
{
- dma_free_coherent(&dev->pdev->dev, buf->size, buf->frags->buf,
+ dma_free_coherent(mlx5_core_dma_dev(dev), buf->size, buf->frags->buf,
buf->frags->map);
kfree(buf->frags);
@@ -139,7 +140,7 @@
if (!frag->buf)
goto err_free_buf;
if (frag->map & ((1 << buf->page_shift) - 1)) {
- dma_free_coherent(&dev->pdev->dev, frag_sz,
+ dma_free_coherent(mlx5_core_dma_dev(dev), frag_sz,
buf->frags[i].buf, buf->frags[i].map);
mlx5_core_warn(dev, "unexpected map alignment: %pad, page_shift=%d\n",
&frag->map, buf->page_shift);
@@ -152,7 +153,7 @@
err_free_buf:
while (i--)
- dma_free_coherent(&dev->pdev->dev, PAGE_SIZE, buf->frags[i].buf,
+ dma_free_coherent(mlx5_core_dma_dev(dev), PAGE_SIZE, buf->frags[i].buf,
buf->frags[i].map);
kfree(buf->frags);
err_out:
@@ -168,7 +169,7 @@
for (i = 0; i < buf->npages; i++) {
int frag_sz = min_t(int, size, PAGE_SIZE);
- dma_free_coherent(&dev->pdev->dev, frag_sz, buf->frags[i].buf,
+ dma_free_coherent(mlx5_core_dma_dev(dev), frag_sz, buf->frags[i].buf,
buf->frags[i].map);
size -= frag_sz;
}
@@ -186,10 +187,7 @@
if (!pgdir)
return NULL;
- pgdir->bitmap = kcalloc(BITS_TO_LONGS(db_per_page),
- sizeof(unsigned long),
- GFP_KERNEL);
-
+ pgdir->bitmap = bitmap_zalloc(db_per_page, GFP_KERNEL);
if (!pgdir->bitmap) {
kfree(pgdir);
return NULL;
@@ -200,7 +198,7 @@
pgdir->db_page = mlx5_dma_zalloc_coherent_node(dev, PAGE_SIZE,
&pgdir->db_dma, node);
if (!pgdir->db_page) {
- kfree(pgdir->bitmap);
+ bitmap_free(pgdir->bitmap);
kfree(pgdir);
return NULL;
}
@@ -277,10 +275,10 @@
__set_bit(db->index, db->u.pgdir->bitmap);
if (bitmap_full(db->u.pgdir->bitmap, db_per_page)) {
- dma_free_coherent(&(dev->pdev->dev), PAGE_SIZE,
+ dma_free_coherent(mlx5_core_dma_dev(dev), PAGE_SIZE,
db->u.pgdir->db_page, db->u.pgdir->db_dma);
list_del(&db->u.pgdir->list);
- kfree(db->u.pgdir->bitmap);
+ bitmap_free(db->u.pgdir->bitmap);
kfree(db->u.pgdir);
}
@@ -301,11 +299,18 @@
}
EXPORT_SYMBOL_GPL(mlx5_fill_page_array);
-void mlx5_fill_page_frag_array(struct mlx5_frag_buf *buf, __be64 *pas)
+void mlx5_fill_page_frag_array_perm(struct mlx5_frag_buf *buf, __be64 *pas, u8 perm)
{
int i;
+ WARN_ON(perm & 0xfc);
for (i = 0; i < buf->npages; i++)
- pas[i] = cpu_to_be64(buf->frags[i].map);
+ pas[i] = cpu_to_be64(buf->frags[i].map | perm);
+}
+EXPORT_SYMBOL_GPL(mlx5_fill_page_frag_array_perm);
+
+void mlx5_fill_page_frag_array(struct mlx5_frag_buf *buf, __be64 *pas)
+{
+ mlx5_fill_page_frag_array_perm(buf, pas, 0);
}
EXPORT_SYMBOL_GPL(mlx5_fill_page_frag_array);
--
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