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authorNimrod Oren <noren@nvidia.com>2026-08-03 16:25:20 +0300
committerJakub Kicinski <kuba@kernel.org>2026-08-05 19:02:15 -0700
commitb7cfcc9d3dfd5e1ad4f00abe066726da4c8552cd (patch)
tree8f7dbc44efb0c829b2b92eb86eb8ed9fceda3766 /include/linux
parentc29235677f5e3645e7d7324c5d51aaa78ee9b006 (diff)
net/mlx5: add debugfs stats for doorbell dma pools
Add a debugfs file exposing per-node DMA pool usage for doorbell allocations. # cat /sys/kernel/debug/mlx5/<dev>/db_dma_pools node block_size used_blocks allocated_blocks 0 64 0 0 1 64 0 0 Signed-off-by: Nimrod Oren <noren@nvidia.com> Signed-off-by: Tariq Toukan <tariqt@nvidia.com> Link: https://patch.msgid.link/20260803132520.2891860-4-tariqt@nvidia.com Signed-off-by: Jakub Kicinski <kuba@kernel.org>
Diffstat (limited to 'include/linux')
-rw-r--r--include/linux/mlx5/driver.h1
1 files changed, 1 insertions, 0 deletions
diff --git a/include/linux/mlx5/driver.h b/include/linux/mlx5/driver.h
index 2c56bb1d676d..83d0a83bbfbc 100644
--- a/include/linux/mlx5/driver.h
+++ b/include/linux/mlx5/driver.h
@@ -548,6 +548,7 @@ struct mlx5_debugfs_entries {
struct dentry *cq_debugfs;
struct dentry *cmdif_debugfs;
struct dentry *frag_buf_dma_pools_debugfs;
+ struct dentry *db_dma_pools_debugfs;
struct dentry *pages_debugfs;
struct dentry *lag_debugfs;
};