diff options
| author |   Ariel Levkovich <lariel@mellanox.com> | 2019-06-10 23:38:41 +0000 |
|---|---|---|
| committer |   Saeed Mahameed <saeedm@mellanox.com> | 2019-06-13 10:59:49 -0700 |
| commit | 81bfa206032a67f0700459a64a5493c246629604 (patch) | |
| tree | c66db1bc1d8863bb9566feb5fd23fce6197e0b7c /include/linux/mlx5 | |
| parent | net/mlx5: Rename mlx5_irq_info to mlx5_irq (diff) | |
| download | linux-dev-81bfa206032a67f0700459a64a5493c246629604.tar.xz linux-dev-81bfa206032a67f0700459a64a5493c246629604.zip | |
net/mlx5: Use a single IRQ for all async EQs
The patch modifies the IRQ allocation so that all async EQs are
assigned to the same IRQ resulting in more available IRQs for
completion EQs.
The changes are using the support for IRQ sharing and EQ polling budget
that was introduced in previous patches so when the shared interrupt is
triggered, the kernel will serially call the handler of each of the
sharing EQs with a certain budget of EQEs to poll in order to prevent
starvation.
Signed-off-by: Ariel Levkovich <lariel@mellanox.com>
Signed-off-by: Saeed Mahameed <saeedm@mellanox.com>
Diffstat (limited to 'include/linux/mlx5')
| -rw-r--r-- | include/linux/mlx5/eq.h | 14 |
1 files changed, 2 insertions, 12 deletions
diff --git a/include/linux/mlx5/eq.h b/include/linux/mlx5/eq.h index 73ab658af764..4a94e04eff0a 100644 --- a/include/linux/mlx5/eq.h +++ b/include/linux/mlx5/eq.h @@ -4,17 +4,7 @@ #ifndef MLX5_CORE_EQ_H #define MLX5_CORE_EQ_H -enum { - MLX5_EQ_PAGEREQ_IDX = 0, - MLX5_EQ_CMD_IDX = 1, - MLX5_EQ_ASYNC_IDX = 2, - /* reserved to be used by mlx5_core ulps (mlx5e/mlx5_ib) */ - MLX5_EQ_PFAULT_IDX = 3, - MLX5_EQ_MAX_ASYNC_EQS, - /* completion eqs vector indices start here */ - MLX5_EQ_VEC_COMP_BASE = MLX5_EQ_MAX_ASYNC_EQS, -}; - +#define MLX5_IRQ_VEC_COMP_BASE 1 #define MLX5_NUM_CMD_EQE (32) #define MLX5_NUM_ASYNC_EQE (0x1000) #define MLX5_NUM_SPARE_EQE (0x80) @@ -23,7 +13,7 @@ struct mlx5_eq; struct mlx5_core_dev; struct mlx5_eq_param { - u8 index; + u8 irq_index; int nent; u64 mask; struct notifier_block *nb; |