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| author | Linus Torvalds <torvalds@linux-foundation.org> | 2026-09-20 08:15:23 -0700 |
|---|---|---|
| committer | Linus Torvalds <torvalds@linux-foundation.org> | 2026-09-20 08:15:23 -0700 |
| commit | bdab18633a302c82b5e5d5dbc4e38b0baf9c0837 (patch) | |
| tree | 0446500af9a76d4e8b2a72a0a41391ceede73a10 /drivers/crypto/caam/dpseci-debugfs.c | |
| download | linux-stable-bdab18633a302c82b5e5d5dbc4e38b0baf9c0837.tar.gz linux-stable-bdab18633a302c82b5e5d5dbc4e38b0baf9c0837.zip | |
Merge tag 'locking-urgent-2026-09-20' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tipgrafted
Pull futex fix from Ingo Molnar:
- Also allocate a default private futex hash on vfork() as well, to
avoid races with (private) futex waiters (Peter Zijlstra)
* tag 'locking-urgent-2026-09-20' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip:
futex: Also allocate private hash on vfork()
Diffstat (limited to 'drivers/crypto/caam/dpseci-debugfs.c')
| -rw-r--r-- | drivers/crypto/caam/dpseci-debugfs.c | 60 |
1 files changed, 60 insertions, 0 deletions
diff --git a/drivers/crypto/caam/dpseci-debugfs.c b/drivers/crypto/caam/dpseci-debugfs.c new file mode 100644 index 000000000..020a9d8a8 --- /dev/null +++ b/drivers/crypto/caam/dpseci-debugfs.c @@ -0,0 +1,60 @@ +// SPDX-License-Identifier: (GPL-2.0+ OR BSD-3-Clause) +/* Copyright 2019 NXP */ + +#include <linux/module.h> +#include <linux/device.h> +#include <linux/debugfs.h> +#include "dpseci-debugfs.h" + +static int dpseci_dbg_fqs_show(struct seq_file *file, void *offset) +{ + struct dpaa2_caam_priv *priv = file->private; + u32 fqid, fcnt, bcnt; + int i, err; + + seq_printf(file, "FQ stats for %s:\n", dev_name(priv->dev)); + seq_printf(file, "%s%16s%16s\n", + "Rx-VFQID", + "Pending frames", + "Pending bytes"); + + for (i = 0; i < priv->num_pairs; i++) { + fqid = priv->rx_queue_attr[i].fqid; + err = dpaa2_io_query_fq_count(NULL, fqid, &fcnt, &bcnt); + if (err) + continue; + + seq_printf(file, "%5d%16u%16u\n", fqid, fcnt, bcnt); + } + + seq_printf(file, "%s%16s%16s\n", + "Tx-VFQID", + "Pending frames", + "Pending bytes"); + + for (i = 0; i < priv->num_pairs; i++) { + fqid = priv->tx_queue_attr[i].fqid; + err = dpaa2_io_query_fq_count(NULL, fqid, &fcnt, &bcnt); + if (err) + continue; + + seq_printf(file, "%5d%16u%16u\n", fqid, fcnt, bcnt); + } + + return 0; +} + +DEFINE_SHOW_ATTRIBUTE(dpseci_dbg_fqs); + +void dpaa2_dpseci_debugfs_init(struct dpaa2_caam_priv *priv) +{ + priv->dfs_root = debugfs_create_dir(dev_name(priv->dev), NULL); + + debugfs_create_file("fq_stats", 0444, priv->dfs_root, priv, + &dpseci_dbg_fqs_fops); +} + +void dpaa2_dpseci_debugfs_exit(struct dpaa2_caam_priv *priv) +{ + debugfs_remove_recursive(priv->dfs_root); +} |
