diff options
Diffstat (limited to 'drivers/net/ethernet/mellanox/mlx5/core/lib/pci_vsc.h')
| -rw-r--r-- | drivers/net/ethernet/mellanox/mlx5/core/lib/pci_vsc.h | 32 |
1 files changed, 32 insertions, 0 deletions
diff --git a/drivers/net/ethernet/mellanox/mlx5/core/lib/pci_vsc.h b/drivers/net/ethernet/mellanox/mlx5/core/lib/pci_vsc.h new file mode 100644 index 000000000000..64272a6d7754 --- /dev/null +++ b/drivers/net/ethernet/mellanox/mlx5/core/lib/pci_vsc.h @@ -0,0 +1,32 @@ +/* SPDX-License-Identifier: GPL-2.0 OR Linux-OpenIB */ +/* Copyright (c) 2019 Mellanox Technologies */ + +#ifndef __MLX5_PCI_VSC_H__ +#define __MLX5_PCI_VSC_H__ + +enum mlx5_vsc_state { + MLX5_VSC_UNLOCK, + MLX5_VSC_LOCK, +}; + +enum { + MLX5_VSC_SPACE_SCAN_CRSPACE = 0x7, +}; + +void mlx5_pci_vsc_init(struct mlx5_core_dev *dev); +int mlx5_vsc_gw_lock(struct mlx5_core_dev *dev); +int mlx5_vsc_gw_unlock(struct mlx5_core_dev *dev); +int mlx5_vsc_gw_set_space(struct mlx5_core_dev *dev, u16 space, + u32 *ret_space_size); +int mlx5_vsc_gw_read_block_fast(struct mlx5_core_dev *dev, u32 *data, + int length); + +static inline bool mlx5_vsc_accessible(struct mlx5_core_dev *dev) +{ + return !!dev->vsc_addr; +} + +int mlx5_vsc_sem_set_space(struct mlx5_core_dev *dev, u16 space, + enum mlx5_vsc_state state); + +#endif /* __MLX5_PCI_VSC_H__ */ |