net/mlx5: Enhance debug print in page allocation failure

Provide more details to aid debugging.

Fixes: bf0bf77f6519 ("mlx5: Support communicating arbitrary host page size to firmware")
Signed-off-by: Eran Ben Elisha <eranbe@nvidia.com>
Signed-off-by: Majd Dibbiny <majd@nvidia.com>
Signed-off-by: Jack Morgenstein <jackm@nvidia.com>
Signed-off-by: Saeed Mahameed <saeedm@nvidia.com>

diff --git a/drivers/net/ethernet/mellanox/mlx5/core/pagealloc.c b/drivers/net/ethernet/mellanox/mlx5/core/pagealloc.c
index 60596357bfc7ae94f7201037a8014f3b81f941c7..96e57f1812a46d6c76449958fa492c0129dd7316 100644 (file)
--- a/drivers/net/ethernet/mellanox/mlx5/core/pagealloc.c
+++ b/drivers/net/ethernet/mellanox/mlx5/core/pagealloc.c
@@ -211,7 +211,8 @@ static int alloc_4k(struct mlx5_core_dev *dev, u64 *addr, u32 function)
 
        n = find_first_bit(&fp->bitmask, 8 * sizeof(fp->bitmask));
        if (n >= MLX5_NUM_4K_IN_PAGE) {
-               mlx5_core_warn(dev, "alloc 4k bug\n");
+               mlx5_core_warn(dev, "alloc 4k bug: fw page = 0x%llx, n = %u, bitmask: %lu, max num of 4K pages: %d\n",
+                              fp->addr, n, fp->bitmask,  MLX5_NUM_4K_IN_PAGE);
                return -ENOENT;
        }
        clear_bit(n, &fp->bitmask);