mlx4_core: Add HW queues allocation helpers
Wrap doorbell, buffer and MTT allocation in helper functions for
ethernet and FC modules to use.
Signed-off-by: Yevgeny Petrilin <yevgenyp@mellanox.co.il>
Signed-off-by: Roland Dreier <rolandd@cisco.com>
diff --git a/include/linux/mlx4/device.h b/include/linux/mlx4/device.h
index 0a47457..9fa1a80 100644
--- a/include/linux/mlx4/device.h
+++ b/include/linux/mlx4/device.h
@@ -234,6 +234,12 @@
int order;
};
+struct mlx4_hwq_resources {
+ struct mlx4_db db;
+ struct mlx4_mtt mtt;
+ struct mlx4_buf buf;
+};
+
struct mlx4_mr {
struct mlx4_mtt mtt;
u64 iova;
@@ -370,6 +376,11 @@
int mlx4_db_alloc(struct mlx4_dev *dev, struct mlx4_db *db, int order);
void mlx4_db_free(struct mlx4_dev *dev, struct mlx4_db *db);
+int mlx4_alloc_hwq_res(struct mlx4_dev *dev, struct mlx4_hwq_resources *wqres,
+ int size, int max_direct);
+void mlx4_free_hwq_res(struct mlx4_dev *mdev, struct mlx4_hwq_resources *wqres,
+ int size);
+
int mlx4_cq_alloc(struct mlx4_dev *dev, int nent, struct mlx4_mtt *mtt,
struct mlx4_uar *uar, u64 db_rec, struct mlx4_cq *cq);
void mlx4_cq_free(struct mlx4_dev *dev, struct mlx4_cq *cq);