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net/mlx5: Introduce API for bulk request and release of IRQs

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Currently IRQs are requested one by one. To balance spreading IRQs
among cpus using such scheme requires remembering cpu mask for the
cpus used for a given device. This complicates the IRQ allocation
scheme in subsequent patch.

Hence, prepare the code for bulk IRQs allocation. This enables
spreading IRQs among cpus in subsequent patch.

Signed-off-by: Shay Drory <shayd@nvidia.com>
Reviewed-by: Parav Pandit <parav@nvidia.com>
Signed-off-by: Saeed Mahameed <saeedm@nvidia.com>
This commit is contained in:
Shay Drory
2021-12-12 14:51:27 +02:00
committed by Saeed Mahameed
parent 424544df97
commit 79b60ca83b
5 changed files with 135 additions and 47 deletions
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4
include/linux/mlx5/eq.h
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@@ -9,13 +9,13 @@
#define MLX5_NUM_SPARE_EQE (0x80)
struct mlx5_eq;
struct mlx5_irq;
struct mlx5_core_dev;
struct mlx5_eq_param {
u8 irq_index;
int nent;
u64 mask[4];
cpumask_var_t affinity;
struct mlx5_irq *irq;
};
struct mlx5_eq *