JustOS/linux-6.13/drivers/net/ethernet/meta/fbnic/fbnic_debugfs.c

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2025-01-24 14:00:19 +00:00
// SPDX-License-Identifier: GPL-2.0
/* Copyright (c) Meta Platforms, Inc. and affiliates. */
#include <linux/debugfs.h>
#include <linux/pci.h>
#include <linux/rtnetlink.h>
#include <linux/seq_file.h>
#include "fbnic.h"
static struct dentry *fbnic_dbg_root;
static int fbnic_dbg_pcie_stats_show(struct seq_file *s, void *v)
{
struct fbnic_dev *fbd = s->private;
rtnl_lock();
fbnic_get_hw_stats(fbd);
seq_printf(s, "ob_rd_tlp: %llu\n", fbd->hw_stats.pcie.ob_rd_tlp.value);
seq_printf(s, "ob_rd_dword: %llu\n",
fbd->hw_stats.pcie.ob_rd_dword.value);
seq_printf(s, "ob_wr_tlp: %llu\n", fbd->hw_stats.pcie.ob_wr_tlp.value);
seq_printf(s, "ob_wr_dword: %llu\n",
fbd->hw_stats.pcie.ob_wr_dword.value);
seq_printf(s, "ob_cpl_tlp: %llu\n",
fbd->hw_stats.pcie.ob_cpl_tlp.value);
seq_printf(s, "ob_cpl_dword: %llu\n",
fbd->hw_stats.pcie.ob_cpl_dword.value);
seq_printf(s, "ob_rd_no_tag: %llu\n",
fbd->hw_stats.pcie.ob_rd_no_tag.value);
seq_printf(s, "ob_rd_no_cpl_cred: %llu\n",
fbd->hw_stats.pcie.ob_rd_no_cpl_cred.value);
seq_printf(s, "ob_rd_no_np_cred: %llu\n",
fbd->hw_stats.pcie.ob_rd_no_np_cred.value);
rtnl_unlock();
return 0;
}
DEFINE_SHOW_ATTRIBUTE(fbnic_dbg_pcie_stats);
void fbnic_dbg_fbd_init(struct fbnic_dev *fbd)
{
struct pci_dev *pdev = to_pci_dev(fbd->dev);
const char *name = pci_name(pdev);
fbd->dbg_fbd = debugfs_create_dir(name, fbnic_dbg_root);
debugfs_create_file("pcie_stats", 0400, fbd->dbg_fbd, fbd,
&fbnic_dbg_pcie_stats_fops);
}
void fbnic_dbg_fbd_exit(struct fbnic_dev *fbd)
{
debugfs_remove_recursive(fbd->dbg_fbd);
fbd->dbg_fbd = NULL;
}
void fbnic_dbg_init(void)
{
fbnic_dbg_root = debugfs_create_dir(fbnic_driver_name, NULL);
}
void fbnic_dbg_exit(void)
{
debugfs_remove_recursive(fbnic_dbg_root);
fbnic_dbg_root = NULL;
}