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/pci_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/pci_irq.h')
| -rw-r--r-- | drivers/net/ethernet/mellanox/mlx5/core/pci_irq.h | 4 |
1 files changed, 3 insertions, 1 deletions
diff --git a/drivers/net/ethernet/mellanox/mlx5/core/pci_irq.h b/drivers/net/ethernet/mellanox/mlx5/core/pci_irq.h index ea39e4027d8a..d3a77a0ab848 100644 --- a/drivers/net/ethernet/mellanox/mlx5/core/pci_irq.h +++ b/drivers/net/ethernet/mellanox/mlx5/core/pci_irq.h @@ -12,6 +12,7 @@ #define MLX5_EQ_REFS_PER_IRQ (2) struct mlx5_irq; +struct cpu_rmap; struct mlx5_irq_pool { char name[MLX5_MAX_IRQ_NAME - MLX5_MAX_IRQ_IDX_CHARS]; @@ -31,7 +32,8 @@ static inline bool mlx5_irq_pool_is_sf_pool(struct mlx5_irq_pool *pool) } struct mlx5_irq *mlx5_irq_alloc(struct mlx5_irq_pool *pool, int i, - struct irq_affinity_desc *af_desc); + struct irq_affinity_desc *af_desc, + struct cpu_rmap **rmap); int mlx5_irq_get_locked(struct mlx5_irq *irq); int mlx5_irq_read_locked(struct mlx5_irq *irq); int mlx5_irq_put(struct mlx5_irq *irq); |