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git://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
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94 lines
2.3 KiB
C
94 lines
2.3 KiB
C
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// SPDX-License-Identifier: GPL-2.0+
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/* Microchip VCAP API debug file system support
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*
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* Copyright (c) 2022 Microchip Technology Inc. and its subsidiaries.
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*
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*/
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#include <linux/types.h>
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#include <linux/debugfs.h>
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#include <linux/seq_file.h>
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#include <linux/netdevice.h>
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#include "vcap_api_debugfs.h"
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struct vcap_admin_debugfs_info {
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struct vcap_control *vctrl;
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struct vcap_admin *admin;
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};
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struct vcap_port_debugfs_info {
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struct vcap_control *vctrl;
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struct net_device *ndev;
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};
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/* Show the port configuration and status */
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static int vcap_port_debugfs_show(struct seq_file *m, void *unused)
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{
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struct vcap_port_debugfs_info *info = m->private;
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struct vcap_admin *admin;
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struct vcap_output_print out = {
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.prf = (void *)seq_printf,
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.dst = m,
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};
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list_for_each_entry(admin, &info->vctrl->list, list) {
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if (admin->vinst)
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continue;
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info->vctrl->ops->port_info(info->ndev, admin, &out);
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}
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return 0;
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}
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DEFINE_SHOW_ATTRIBUTE(vcap_port_debugfs);
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void vcap_port_debugfs(struct device *dev, struct dentry *parent,
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struct vcap_control *vctrl,
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struct net_device *ndev)
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{
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struct vcap_port_debugfs_info *info;
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info = devm_kzalloc(dev, sizeof(*info), GFP_KERNEL);
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if (!info)
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return;
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info->vctrl = vctrl;
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info->ndev = ndev;
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debugfs_create_file(netdev_name(ndev), 0444, parent, info,
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&vcap_port_debugfs_fops);
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}
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EXPORT_SYMBOL_GPL(vcap_port_debugfs);
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/* Show the raw VCAP instance data (rules with address info) */
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static int vcap_raw_debugfs_show(struct seq_file *m, void *unused)
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{
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/* The output will be added later */
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return 0;
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}
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DEFINE_SHOW_ATTRIBUTE(vcap_raw_debugfs);
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struct dentry *vcap_debugfs(struct device *dev, struct dentry *parent,
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struct vcap_control *vctrl)
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{
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struct vcap_admin_debugfs_info *info;
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struct vcap_admin *admin;
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struct dentry *dir;
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char name[50];
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dir = debugfs_create_dir("vcaps", parent);
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if (PTR_ERR_OR_ZERO(dir))
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return NULL;
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list_for_each_entry(admin, &vctrl->list, list) {
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sprintf(name, "raw_%s_%d", vctrl->vcaps[admin->vtype].name,
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admin->vinst);
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info = devm_kzalloc(dev, sizeof(*info), GFP_KERNEL);
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if (!info)
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return NULL;
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info->vctrl = vctrl;
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info->admin = admin;
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debugfs_create_file(name, 0444, dir, info,
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&vcap_raw_debugfs_fops);
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}
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return dir;
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}
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EXPORT_SYMBOL_GPL(vcap_debugfs);
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