diff options
| author | Eli Cohen <elic@nvidia.com> | 2023-01-01 09:16:23 +0300 |
|---|---|---|
| committer | Saeed Mahameed <saeedm@nvidia.com> | 2023-03-25 02:04:29 +0300 |
| commit | 3354822cde5a9f72aa725b3c619188b149a71a33 (patch) | |
| tree | ce1c2e74b7b938730f5a153f899a0a7deafa3c8c /drivers/net/ethernet/mellanox/mlx5/core/mlx5_irq.h | |
| parent | b48a0f72bc3e5b10f55b3d40f051135fc9afd0e5 (diff) | |
| download | linux-3354822cde5a9f72aa725b3c619188b149a71a33.tar.xz | |
net/mlx5: Use dynamic msix vectors allocation
Current implementation calculates the number and the partitioaning of
available interrupts vectors and then allocates all the interrupt
vectors.
Here, whenever dynamic msix allocation is supported, we change this to
use msix vectors dynamically so a vectors is actually allocated only
when needed. The current pool logic is kept in place to take care of
partitioning the vectors between the consumers and take care of
reference counting. However, the vectors are allocated only when needed.
Subsequent patches will make use of this to allocate vectors for VDPA.
Signed-off-by: Eli Cohen <elic@nvidia.com>
Reviewed-by: Shay Drory <shayd@nvidia.com>
Signed-off-by: Saeed Mahameed <saeedm@nvidia.com>
Reviewed-by: Jacob Keller <jacob.e.keller@intel.com>
Diffstat (limited to 'drivers/net/ethernet/mellanox/mlx5/core/mlx5_irq.h')
| -rw-r--r-- | drivers/net/ethernet/mellanox/mlx5/core/mlx5_irq.h | 6 |
1 files changed, 4 insertions, 2 deletions
diff --git a/drivers/net/ethernet/mellanox/mlx5/core/mlx5_irq.h b/drivers/net/ethernet/mellanox/mlx5/core/mlx5_irq.h index 7e0dac74721e..efd0c299c5c7 100644 --- a/drivers/net/ethernet/mellanox/mlx5/core/mlx5_irq.h +++ b/drivers/net/ethernet/mellanox/mlx5/core/mlx5_irq.h @@ -9,6 +9,7 @@ #define MLX5_COMP_EQS_PER_SF 8 struct mlx5_irq; +struct cpu_rmap; int mlx5_irq_table_init(struct mlx5_core_dev *dev); void mlx5_irq_table_cleanup(struct mlx5_core_dev *dev); @@ -25,9 +26,10 @@ int mlx5_get_default_msix_vec_count(struct mlx5_core_dev *dev, int num_vfs); struct mlx5_irq *mlx5_ctrl_irq_request(struct mlx5_core_dev *dev); void mlx5_ctrl_irq_release(struct mlx5_irq *ctrl_irq); struct mlx5_irq *mlx5_irq_request(struct mlx5_core_dev *dev, u16 vecidx, - struct irq_affinity_desc *af_desc); + struct irq_affinity_desc *af_desc, + struct cpu_rmap **rmap); int mlx5_irqs_request_vectors(struct mlx5_core_dev *dev, u16 *cpus, int nirqs, - struct mlx5_irq **irqs); + struct mlx5_irq **irqs, struct cpu_rmap **rmap); void mlx5_irqs_release_vectors(struct mlx5_irq **irqs, int nirqs); int mlx5_irq_attach_nb(struct mlx5_irq *irq, struct notifier_block *nb); int mlx5_irq_detach_nb(struct mlx5_irq *irq, struct notifier_block *nb); |