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eth: fbnic: add basic debugfs structure

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Add the usual debugfs structure:

 fbnic/
   $pci-id/
     device-fileA
     device-fileB

This patch only adds the directories, subsequent changes
will add files.

Reviewed-by: Andrew Lunn <andrew@lunn.ch>
Reviewed-by: Kalesh AP <kalesh-anakkur.purayil@broadcom.com>
Link: https://patch.msgid.link/20241115015344.757567-4-kuba@kernel.org
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
This commit is contained in:
Jakub Kicinski
2024-11-14 17:53:42 -08:00
parent 2a0d6c1705
commit 08606cb528
4 changed files with 50 additions and 1 deletions
Download Patch File Download Diff File Expand all files Collapse all files

1
drivers/net/ethernet/meta/fbnic/Makefile
View File

@@ -8,6 +8,7 @@
obj-$(CONFIG_FBNIC) += fbnic.o
fbnic-y := fbnic_csr.o \
fbnic_debugfs.o \
fbnic_devlink.o \
fbnic_ethtool.o \
fbnic_fw.o \

6
drivers/net/ethernet/meta/fbnic/fbnic.h
View File

@@ -19,6 +19,7 @@
struct fbnic_dev {
struct device *dev;
struct net_device *netdev;
struct dentry *dbg_fbd;
struct device *hwmon;
u32 __iomem *uc_addr0;
@@ -156,6 +157,11 @@ int fbnic_alloc_irqs(struct fbnic_dev *fbd);
void fbnic_get_fw_ver_commit_str(struct fbnic_dev *fbd, char *fw_version,
const size_t str_sz);
void fbnic_dbg_fbd_init(struct fbnic_dev *fbd);
void fbnic_dbg_fbd_exit(struct fbnic_dev *fbd);
void fbnic_dbg_init(void);
void fbnic_dbg_exit(void);
void fbnic_csr_get_regs(struct fbnic_dev *fbd, u32 *data, u32 *regs_version);
int fbnic_csr_regs_len(struct fbnic_dev *fbd);

34
drivers/net/ethernet/meta/fbnic/fbnic_debugfs.c Normal file
View File

@@ -0,0 +1,34 @@
// SPDX-License-Identifier: GPL-2.0
/* Copyright (c) Meta Platforms, Inc. and affiliates. */
#include <linux/debugfs.h>
#include <linux/pci.h>
#include "fbnic.h"
static struct dentry *fbnic_dbg_root;
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);
}
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;
}

10
drivers/net/ethernet/meta/fbnic/fbnic_pci.c
View File

@@ -288,6 +288,7 @@ static int fbnic_probe(struct pci_dev *pdev, const struct pci_device_id *ent)
}
fbnic_devlink_register(fbd);
fbnic_dbg_fbd_init(fbd);
fbnic_hwmon_register(fbd);
@@ -355,6 +356,7 @@ static void fbnic_remove(struct pci_dev *pdev)
}
fbnic_hwmon_unregister(fbd);
fbnic_dbg_fbd_exit(fbd);
fbnic_devlink_unregister(fbd);
fbnic_fw_disable_mbx(fbd);
fbnic_free_irqs(fbd);
@@ -552,9 +554,13 @@ static int __init fbnic_init_module(void)
{
int err;
fbnic_dbg_init();
err = pci_register_driver(&fbnic_driver);
if (err)
if (err) {
fbnic_dbg_exit();
goto out;
}
pr_info(DRV_SUMMARY " (%s)", fbnic_driver.name);
out:
@@ -570,5 +576,7 @@ module_init(fbnic_init_module);
static void __exit fbnic_exit_module(void)
{
pci_unregister_driver(&fbnic_driver);
fbnic_dbg_exit();
}
module_exit(fbnic_exit_module);