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path: root/drivers/infiniband/hw/mlx4/mlx4_ib.h
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Diffstat (limited to 'drivers/infiniband/hw/mlx4/mlx4_ib.h')
-rw-r--r--drivers/infiniband/hw/mlx4/mlx4_ib.h9
1 files changed, 9 insertions, 0 deletions
diff --git a/drivers/infiniband/hw/mlx4/mlx4_ib.h b/drivers/infiniband/hw/mlx4/mlx4_ib.h
index ef8ad96e143..9e637323c15 100644
--- a/drivers/infiniband/hw/mlx4/mlx4_ib.h
+++ b/drivers/infiniband/hw/mlx4/mlx4_ib.h
@@ -78,13 +78,21 @@ struct mlx4_ib_cq_buf {
struct mlx4_mtt mtt;
};
+struct mlx4_ib_cq_resize {
+ struct mlx4_ib_cq_buf buf;
+ int cqe;
+};
+
struct mlx4_ib_cq {
struct ib_cq ibcq;
struct mlx4_cq mcq;
struct mlx4_ib_cq_buf buf;
+ struct mlx4_ib_cq_resize *resize_buf;
struct mlx4_ib_db db;
spinlock_t lock;
+ struct mutex resize_mutex;
struct ib_umem *umem;
+ struct ib_umem *resize_umem;
};
struct mlx4_ib_mr {
@@ -255,6 +263,7 @@ struct ib_mr *mlx4_ib_reg_user_mr(struct ib_pd *pd, u64 start, u64 length,
int mlx4_ib_dereg_mr(struct ib_mr *mr);
int mlx4_ib_modify_cq(struct ib_cq *cq, u16 cq_count, u16 cq_period);
+int mlx4_ib_resize_cq(struct ib_cq *ibcq, int entries, struct ib_udata *udata);
struct ib_cq *mlx4_ib_create_cq(struct ib_device *ibdev, int entries, int vector,
struct ib_ucontext *context,
struct ib_udata *udata);