diff options
Diffstat (limited to 'include/linux')
| -rw-r--r-- | include/linux/mlx5/device.h | 2 | ||||
| -rw-r--r-- | include/linux/mlx5/driver.h | 37 | ||||
| -rw-r--r-- | include/linux/mlx5/mlx5_ifc.h | 7 |
3 files changed, 44 insertions, 2 deletions
diff --git a/include/linux/mlx5/device.h b/include/linux/mlx5/device.h index aa851c51ab59..db1b9287012f 100644 --- a/include/linux/mlx5/device.h +++ b/include/linux/mlx5/device.h @@ -215,6 +215,8 @@ enum { MLX5_BFREGS_PER_UAR = 4, MLX5_MAX_UARS = 1 << 8, MLX5_NON_FP_BFREGS_PER_UAR = 2, + MLX5_FP_BFREGS_PER_UAR = MLX5_BFREGS_PER_UAR - + MLX5_NON_FP_BFREGS_PER_UAR, MLX5_MAX_BFREGS = MLX5_MAX_UARS * MLX5_NON_FP_BFREGS_PER_UAR, }; diff --git a/include/linux/mlx5/driver.h b/include/linux/mlx5/driver.h index 3d07e25b3bf1..969aa1fe17e2 100644 --- a/include/linux/mlx5/driver.h +++ b/include/linux/mlx5/driver.h @@ -452,6 +452,39 @@ struct mlx5_eq_table { spinlock_t lock; }; +struct mlx5_uars_page { + void __iomem *map; + bool wc; + u32 index; + struct list_head list; + unsigned int bfregs; + unsigned long *reg_bitmap; /* for non fast path bf regs */ + unsigned long *fp_bitmap; + unsigned int reg_avail; + unsigned int fp_avail; + struct kref ref_count; + struct mlx5_core_dev *mdev; +}; + +struct mlx5_bfreg_head { + /* protect blue flame registers allocations */ + struct mutex lock; + struct list_head list; +}; + +struct mlx5_bfreg_data { + struct mlx5_bfreg_head reg_head; + struct mlx5_bfreg_head wc_head; +}; + +struct mlx5_sq_bfreg { + void __iomem *map; + struct mlx5_uars_page *up; + bool wc; + u32 index; + unsigned int offset; +}; + struct mlx5_uar { u32 index; struct list_head bf_list; @@ -645,6 +678,7 @@ struct mlx5_priv { void *pfault_ctx; struct srcu_struct pfault_srcu; #endif + struct mlx5_bfreg_data bfregs; }; enum mlx5_device_state { @@ -1022,6 +1056,9 @@ void mlx5_cleanup_rl_table(struct mlx5_core_dev *dev); int mlx5_rl_add_rate(struct mlx5_core_dev *dev, u32 rate, u16 *index); void mlx5_rl_remove_rate(struct mlx5_core_dev *dev, u32 rate); bool mlx5_rl_is_in_range(struct mlx5_core_dev *dev, u32 rate); +int mlx5_alloc_bfreg(struct mlx5_core_dev *mdev, struct mlx5_sq_bfreg *bfreg, + bool map_wc, bool fast_path); +void mlx5_free_bfreg(struct mlx5_core_dev *mdev, struct mlx5_sq_bfreg *bfreg); static inline int fw_initializing(struct mlx5_core_dev *dev) { diff --git a/include/linux/mlx5/mlx5_ifc.h b/include/linux/mlx5/mlx5_ifc.h index 15f896781966..1223feff0ea4 100644 --- a/include/linux/mlx5/mlx5_ifc.h +++ b/include/linux/mlx5/mlx5_ifc.h @@ -905,7 +905,8 @@ struct mlx5_ifc_cmd_hca_cap_bits { u8 uc[0x1]; u8 rc[0x1]; - u8 reserved_at_240[0xa]; + u8 uar_4k[0x1]; + u8 reserved_at_241[0x9]; u8 uar_sz[0x6]; u8 reserved_at_250[0x8]; u8 log_pg_sz[0x8]; @@ -997,7 +998,9 @@ struct mlx5_ifc_cmd_hca_cap_bits { u8 device_frequency_mhz[0x20]; u8 device_frequency_khz[0x20]; - u8 reserved_at_500[0x80]; + u8 reserved_at_500[0x20]; + u8 num_of_uars_per_page[0x20]; + u8 reserved_at_540[0x40]; u8 reserved_at_580[0x3f]; u8 cqe_compression[0x1]; |