[PATCH mlx5-next V2 9/9] net/mlx5: Expose MLX5_UMR_ALIGN definition

From: Tariq Toukan

Date: Mon Mar 09 2026 - 05:41:33 EST


Expose HW constant value in a shared header, to be used by core/EN
drivers.

Signed-off-by: Tariq Toukan <tariqt@xxxxxxxxxx>
Reviewed-by: Dragos Tatulea <dtatulea@xxxxxxxxxx>
---
drivers/infiniband/hw/mlx5/mr.c | 1 -
include/linux/mlx5/device.h | 1 +
2 files changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/infiniband/hw/mlx5/mr.c b/drivers/infiniband/hw/mlx5/mr.c
index 665323b90b64..ff56948597dd 100644
--- a/drivers/infiniband/hw/mlx5/mr.c
+++ b/drivers/infiniband/hw/mlx5/mr.c
@@ -51,7 +51,6 @@ enum {
};

#define MLX5_MR_CACHE_PERSISTENT_ENTRY_MIN_DESCS 4
-#define MLX5_UMR_ALIGN 2048

static void
create_mkey_callback(int status, struct mlx5_async_work *context);
diff --git a/include/linux/mlx5/device.h b/include/linux/mlx5/device.h
index 25c6b42140b2..07a25f264292 100644
--- a/include/linux/mlx5/device.h
+++ b/include/linux/mlx5/device.h
@@ -293,6 +293,7 @@ enum {
MLX5_UMR_INLINE = (1 << 7),
};

+#define MLX5_UMR_ALIGN (2048)
#define MLX5_UMR_FLEX_ALIGNMENT 0x40
#define MLX5_UMR_MTT_NUM_ENTRIES_ALIGNMENT (MLX5_UMR_FLEX_ALIGNMENT / sizeof(struct mlx5_mtt))
#define MLX5_UMR_KLM_NUM_ENTRIES_ALIGNMENT (MLX5_UMR_FLEX_ALIGNMENT / sizeof(struct mlx5_klm))
--
2.44.0