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IB/mlx5: Support 4k UAR for libmlx5

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Add fields to structs to convey to kernel an indication whether the
library supports multi UARs per page and return to the library the size
of a UAR based on the queried value.

Signed-off-by: Eli Cohen <eli@mellanox.com>
Reviewed-by: Matan Barak <matanb@mellanox.com>
Signed-off-by: Leon Romanovsky <leon@kernel.org>
Signed-off-by: Saeed Mahameed <saeedm@mellanox.com>
This commit is contained in:
Eli Cohen 2017-01-03 23:55:27 +02:00 • committed by Saeed Mahameed
parent b037c29a80
commit 30aa60b3bd
9 changed files with 42 additions and 100 deletions
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2
include/linux/mlx5/cq.h
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@ -42,13 +42,13 @@ struct mlx5_core_cq {
int cqe_sz;
__be32 *set_ci_db;
__be32 *arm_db;
struct mlx5_uars_page *uar;
atomic_t refcount;
struct completion free;
unsigned vector;
unsigned int irqn;
void (*comp) (struct mlx5_core_cq *);
void (*event) (struct mlx5_core_cq *, enum mlx5_event);
struct mlx5_uar *uar;
u32 cons_index;
unsigned arm_sn;
struct mlx5_rsc_debug *dbg;