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authorYevgeny Petrilin <yevgenyp@mellanox.co.il>2008-04-26 01:27:08 +0400
committerRoland Dreier <rolandd@cisco.com>2008-04-26 01:27:08 +0400
commit38ae6a535470b959df67ded6798fc542bb212e19 (patch)
tree35ee1d5450f0b0f491764ebd22babceb9cbf8f1d /include/linux/mlx4
parent31d1e340f0e8d53804d737571b2f2bb28a74ecc5 (diff)
downloadlinux-38ae6a535470b959df67ded6798fc542bb212e19.tar.xz
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>
Diffstat (limited to 'include/linux/mlx4')
-rw-r--r--include/linux/mlx4/device.h11
1 files changed, 11 insertions, 0 deletions
diff --git a/include/linux/mlx4/device.h b/include/linux/mlx4/device.h
index 0a47457931ac..9fa1a8002ce2 100644
--- a/include/linux/mlx4/device.h
+++ b/include/linux/mlx4/device.h
@@ -234,6 +234,12 @@ struct mlx4_db {
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_buf_write_mtt(struct mlx4_dev *dev, struct mlx4_mtt *mtt,
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);