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net/mlx5: Add pages debugfs

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Add pages debugfs to expose the following counters for debuggability:
fw_pages_total - How many pages were given to FW and not returned yet.
vfs_pages - For SRIOV, how many pages were given to FW for virtual
functions usage.
host_pf_pages - For ECPF, how many pages were given to FW for external
hosts physical functions usage.

Signed-off-by: Moshe Shemesh <moshe@nvidia.com>
Reviewed-by: Leon Romanovsky <leonro@nvidia.com>
Signed-off-by: Saeed Mahameed <saeedm@nvidia.com>
This commit is contained in:
Moshe Shemesh
2022-01-27 07:03:33 +02:00
committed by Saeed Mahameed
parent 66771a1c72
commit 4e05cbf05c
3 changed files with 25 additions and 3 deletions
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9
include/linux/mlx5/driver.h
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@@ -557,6 +557,7 @@ struct mlx5_debugfs_entries {
struct dentry *eq_debugfs;
struct dentry *cq_debugfs;
struct dentry *cmdif_debugfs;
struct dentry *pages_debugfs;
};
struct mlx5_ft_pool;
@@ -569,11 +570,11 @@ struct mlx5_priv {
struct mlx5_nb pg_nb;
struct workqueue_struct *pg_wq;
struct xarray page_root_xa;
int fw_pages;
u32 fw_pages;
atomic_t reg_pages;
struct list_head free_list;
int vfs_pages;
int host_pf_pages;
u32 vfs_pages;
u32 host_pf_pages;
struct mlx5_core_health health;
struct list_head traps;
@@ -1026,6 +1027,8 @@ int mlx5_pagealloc_init(struct mlx5_core_dev *dev);
void mlx5_pagealloc_cleanup(struct mlx5_core_dev *dev);
void mlx5_pagealloc_start(struct mlx5_core_dev *dev);
void mlx5_pagealloc_stop(struct mlx5_core_dev *dev);
void mlx5_pages_debugfs_init(struct mlx5_core_dev *dev);
void mlx5_pages_debugfs_cleanup(struct mlx5_core_dev *dev);
void mlx5_core_req_pages_handler(struct mlx5_core_dev *dev, u16 func_id,
s32 npages, bool ec_function);
int mlx5_satisfy_startup_pages(struct mlx5_core_dev *dev, int boot);