diff options
| author | Shay Drory <shayd@nvidia.com> | 2021-11-23 11:48:07 +0300 |
|---|---|---|
| committer | Saeed Mahameed <saeedm@nvidia.com> | 2022-01-07 03:22:51 +0300 |
| commit | 424544df97b0197b1d87d2fd1c18c6b936aa02b1 (patch) | |
| tree | d8380e3e69800e3dd5626a2fcb7ee9bd1007d33d /drivers/net/ethernet/mellanox/mlx5/core/pci_irq.h | |
| parent | 30c6afa735db60b4fb6ca81da568d11d19aa2c15 (diff) | |
| download | linux-424544df97b0197b1d87d2fd1c18c6b936aa02b1.tar.xz | |
net/mlx5: Split irq_pool_affinity logic to new file
The downstream patches add more functionality to irq_pool_affinity.
Move the irq_pool_affinity logic to a new file in order to ease the
coding and maintenance of it.
Signed-off-by: Shay Drory <shayd@nvidia.com>
Reviewed-by: Moshe Shemesh <moshe@nvidia.com>
Signed-off-by: Saeed Mahameed <saeedm@nvidia.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 | 31 |
1 files changed, 31 insertions, 0 deletions
diff --git a/drivers/net/ethernet/mellanox/mlx5/core/pci_irq.h b/drivers/net/ethernet/mellanox/mlx5/core/pci_irq.h new file mode 100644 index 000000000000..5fee4ce57d6c --- /dev/null +++ b/drivers/net/ethernet/mellanox/mlx5/core/pci_irq.h @@ -0,0 +1,31 @@ +/* SPDX-License-Identifier: GPL-2.0 OR Linux-OpenIB */ +/* Copyright (c) 2021, NVIDIA CORPORATION & AFFILIATES. All rights reserved. */ + +#ifndef __PCI_IRQ_H__ +#define __PCI_IRQ_H__ + +#include <linux/mlx5/driver.h> + +#define MLX5_MAX_IRQ_NAME (32) +/* max irq_index is 2047, so four chars */ +#define MLX5_MAX_IRQ_IDX_CHARS (4) +#define MLX5_EQ_REFS_PER_IRQ (2) + +struct mlx5_irq; + +struct mlx5_irq_pool { + char name[MLX5_MAX_IRQ_NAME - MLX5_MAX_IRQ_IDX_CHARS]; + struct xa_limit xa_num_irqs; + struct mutex lock; /* sync IRQs creations */ + struct xarray irqs; + u32 max_threshold; + u32 min_threshold; + struct mlx5_core_dev *dev; +}; + +struct mlx5_irq *mlx5_irq_alloc(struct mlx5_irq_pool *pool, int i, + const struct cpumask *affinity); +int mlx5_irq_get_locked(struct mlx5_irq *irq); +int mlx5_irq_read_locked(struct mlx5_irq *irq); + +#endif /* __PCI_IRQ_H__ */ |