extern void dgrp_remove_tty_sysfs(struct device *c);
/* from dgrp_specproc.c */
-/*
- * The list of DGRP entries with r/w capabilities. These
- * magic numbers are used for identification purposes.
- */
-enum {
- DGRP_CONFIG = 1, /* Configure portservers */
- DGRP_NETDIR = 2, /* Directory for "net" devices */
- DGRP_MONDIR = 3, /* Directory for "mon" devices */
- DGRP_PORTSDIR = 4, /* Directory for "ports" devices */
- DGRP_INFO = 5, /* Get info. about the running module */
- DGRP_NODEINFO = 6, /* Get info. about the configured nodes */
- DGRP_DPADIR = 7, /* Directory for the "dpa" devices */
-};
-
-/*
- * Directions for proc handlers
- */
-enum {
- INBOUND = 1, /* Data being written to kernel */
- OUTBOUND = 2, /* Data being read from the kernel */
-};
-
-/**
- * dgrp_proc_entry: structure for dgrp proc dirs
- * @id: ID number associated with this particular entry. Should be
- * unique across all of DGRP.
- * @name: text name associated with the /proc entry
- * @mode: file access permisssions for the /proc entry
- * @child: pointer to table describing a subdirectory for this entry
- * @de: pointer to directory entry for this object once registered. Used
- * to grab the handle of the object for unregistration
- * @excl_sem: semaphore to provide exclusive to struct
- * @excl_cnt: counter of current accesses
- *
- * Each entry in a DGRP proc directory is described with a
- * dgrp_proc_entry structure. A collection of these
- * entries (in an array) represents the members associated
- * with a particular /proc directory, and is referred to
- * as a table. All tables are terminated by an entry with
- * zeros for every member.
- */
-struct dgrp_proc_entry {
- int id; /* Integer identifier */
- const char *name; /* ASCII identifier */
- umode_t mode; /* File access permissions */
- struct dgrp_proc_entry *child; /* Child pointer */
-
- /* file ops to use, pass NULL to use default */
- struct file_operations *proc_file_ops;
-
- struct proc_dir_entry *de; /* proc entry pointer */
- struct semaphore excl_sem; /* Protects exclusive access var */
- int excl_cnt; /* Counts number of curr accesses */
-};
-
extern void dgrp_unregister_proc(void);
extern void dgrp_register_proc(void);
#include "dgrp_common.h"
-static struct dgrp_proc_entry dgrp_table[];
static struct proc_dir_entry *dgrp_proc_dir_entry;
static int dgrp_add_id(long id);
};
-static void register_proc_table(struct dgrp_proc_entry *,
- struct proc_dir_entry *);
-static void unregister_proc_table(struct dgrp_proc_entry *,
- struct proc_dir_entry *);
-
-static struct dgrp_proc_entry dgrp_net_table[];
-static struct dgrp_proc_entry dgrp_mon_table[];
-static struct dgrp_proc_entry dgrp_ports_table[];
-static struct dgrp_proc_entry dgrp_dpa_table[];
-
static ssize_t dgrp_config_proc_write(struct file *file,
const char __user *buffer,
size_t count, loff_t *pos);
.release = seq_release,
};
-static struct dgrp_proc_entry dgrp_table[] = {
- {
- .id = DGRP_CONFIG,
- .name = "config",
- .mode = 0644,
- .proc_file_ops = &config_proc_file_ops,
- },
- {
- .id = DGRP_INFO,
- .name = "info",
- .mode = 0644,
- .proc_file_ops = &info_proc_file_ops,
- },
- {
- .id = DGRP_NODEINFO,
- .name = "nodeinfo",
- .mode = 0644,
- .proc_file_ops = &nodeinfo_proc_file_ops,
- },
- {
- .id = DGRP_NETDIR,
- .name = "net",
- .mode = 0500,
- .child = dgrp_net_table
- },
- {
- .id = DGRP_MONDIR,
- .name = "mon",
- .mode = 0500,
- .child = dgrp_mon_table
- },
- {
- .id = DGRP_PORTSDIR,
- .name = "ports",
- .mode = 0500,
- .child = dgrp_ports_table
- },
- {
- .id = DGRP_DPADIR,
- .name = "dpa",
- .mode = 0500,
- .child = dgrp_dpa_table
- }
-};
-
static struct proc_dir_entry *net_entry_pointer;
static struct proc_dir_entry *mon_entry_pointer;
static struct proc_dir_entry *dpa_entry_pointer;
static struct proc_dir_entry *ports_entry_pointer;
-static struct dgrp_proc_entry dgrp_net_table[] = {
- {0}
-};
-
-static struct dgrp_proc_entry dgrp_mon_table[] = {
- {0}
-};
-
-static struct dgrp_proc_entry dgrp_ports_table[] = {
- {0}
-};
-
-static struct dgrp_proc_entry dgrp_dpa_table[] = {
- {0}
-};
-
void dgrp_unregister_proc(void)
{
net_entry_pointer = NULL;
ports_entry_pointer = NULL;
if (dgrp_proc_dir_entry) {
- unregister_proc_table(dgrp_table, dgrp_proc_dir_entry);
- remove_proc_entry(dgrp_proc_dir_entry->name,
- dgrp_proc_dir_entry->parent);
+ struct nd_struct *nd;
+ list_for_each_entry(nd, &nd_struct_list, list) {
+ if (nd->nd_net_de) {
+ unregister_dgrp_device(nd->nd_net_de);
+ dgrp_remove_node_class_sysfs_files(nd);
+ }
+
+ if (nd->nd_mon_de)
+ unregister_dgrp_device(nd->nd_mon_de);
+
+ if (nd->nd_dpa_de)
+ unregister_dgrp_device(nd->nd_dpa_de);
+
+ if (nd->nd_ports_de)
+ unregister_dgrp_device(nd->nd_ports_de);
+ }
+ remove_proc_entry("dgrp/config", NULL);
+ remove_proc_entry("dgrp/info", NULL);
+ remove_proc_entry("dgrp/nodeinfo", NULL);
+ remove_proc_entry("dgrp/net", NULL);
+ remove_proc_entry("dgrp/mon", NULL);
+ remove_proc_entry("dgrp/dpa", NULL);
+ remove_proc_entry("dgrp/ports", NULL);
+ remove_proc_entry("dgrp", NULL);
dgrp_proc_dir_entry = NULL;
}
-
}
void dgrp_register_proc(void)
{
+ struct proc_dir_entry *de;
/*
* Register /proc/dgrp
*/
dgrp_proc_dir_entry = proc_mkdir("dgrp", NULL);
- register_proc_table(dgrp_table, dgrp_proc_dir_entry);
-}
-
-/*
- * /proc/sys support
- */
-static int dgrp_proc_match(int len, const char *name, struct proc_dir_entry *de)
-{
- if (!de || !de->low_ino)
- return 0;
- if (de->namelen != len)
- return 0;
- return !memcmp(name, de->name, len);
-}
-
-
-/*
- * Scan the entries in table and add them all to /proc at the position
- * referred to by "root"
- */
-static void register_proc_table(struct dgrp_proc_entry *table,
- struct proc_dir_entry *root)
-{
- struct proc_dir_entry *de;
- int len;
- umode_t mode;
-
- if (table == NULL)
+ if (!dgrp_proc_dir_entry)
return;
- if (root == NULL)
- return;
-
- for (; table->id; table++) {
- /* Can't do anything without a proc name. */
- if (!table->name)
- continue;
-
- /* Maybe we can't do anything with it... */
- if (!table->proc_file_ops &&
- !table->child) {
- pr_warn("dgrp: Can't register %s\n",
- table->name);
- continue;
- }
-
- len = strlen(table->name);
- mode = table->mode;
-
- de = NULL;
- if (!table->child)
- mode |= S_IFREG;
- else {
- mode |= S_IFDIR;
- for (de = root->subdir; de; de = de->next) {
- if (dgrp_proc_match(len, table->name, de))
- break;
- }
- /* If the subdir exists already, de is non-NULL */
- }
-
- if (!de) {
- de = create_proc_entry(table->name, mode, root);
- if (!de)
- continue;
- de->data = (void *) table;
- if (!table->child) {
- de->proc_iops = &proc_inode_ops;
- de->proc_fops = table->proc_file_ops;
- }
- }
- table->de = de;
- if (de->mode & S_IFDIR)
- register_proc_table(table->child, de);
-
- if (table->id == DGRP_NETDIR)
- net_entry_pointer = de;
-
- if (table->id == DGRP_MONDIR)
- mon_entry_pointer = de;
-
- if (table->id == DGRP_DPADIR)
- dpa_entry_pointer = de;
-
- if (table->id == DGRP_PORTSDIR)
- ports_entry_pointer = de;
+ de = create_proc_entry("dgrp/config", 0644, NULL);
+ if (de) {
+ de->proc_fops = &config_proc_file_ops;
+ de->proc_iops = &proc_inode_ops;
}
-}
-
-/*
- * Unregister a /proc sysctl table and any subdirectories.
- */
-static void unregister_proc_table(struct dgrp_proc_entry *table,
- struct proc_dir_entry *root)
-{
- struct proc_dir_entry *de;
- struct nd_struct *tmp;
-
- if (table == NULL)
- return;
-
- list_for_each_entry(tmp, &nd_struct_list, list) {
- if ((table == dgrp_net_table) && (tmp->nd_net_de)) {
- unregister_dgrp_device(tmp->nd_net_de);
- dgrp_remove_node_class_sysfs_files(tmp);
- }
-
- if ((table == dgrp_mon_table) && (tmp->nd_mon_de))
- unregister_dgrp_device(tmp->nd_mon_de);
-
- if ((table == dgrp_dpa_table) && (tmp->nd_dpa_de))
- unregister_dgrp_device(tmp->nd_dpa_de);
-
- if ((table == dgrp_ports_table) && (tmp->nd_ports_de))
- unregister_dgrp_device(tmp->nd_ports_de);
+ de = create_proc_entry("dgrp/info", 0644, NULL);
+ if (de) {
+ de->proc_fops = &info_proc_file_ops;
+ de->proc_iops = &proc_inode_ops;
}
-
- for (; table->id; table++) {
- de = table->de;
-
- if (!de)
- continue;
- if (de->mode & S_IFDIR) {
- if (!table->child) {
- pr_alert("dgrp: malformed sysctl tree on free\n");
- continue;
- }
- unregister_proc_table(table->child, de);
-
- /* Don't unregister directories which still have entries */
- if (de->subdir)
- continue;
- }
-
- /* Don't unregister proc entries that are still being used.. */
- if ((atomic_read(&de->count)) != 1) {
- pr_alert("proc entry %s in use, not removing\n",
- de->name);
- continue;
- }
-
- remove_proc_entry(de->name, de->parent);
- table->de = NULL;
+ de = create_proc_entry("dgrp/nodeinfo", 0644, NULL);
+ if (de) {
+ de->proc_fops = &nodeinfo_proc_file_ops;
+ de->proc_iops = &proc_inode_ops;
}
+ net_entry_pointer = proc_mkdir_mode("dgrp/net", 0500, NULL);
+ mon_entry_pointer = proc_mkdir_mode("dgrp/mon", 0500, NULL);
+ dpa_entry_pointer = proc_mkdir_mode("dgrp/dpa", 0500, NULL);
+ ports_entry_pointer = proc_mkdir_mode("dgrp/ports", 0500, NULL);
}
static void *dgrp_config_proc_start(struct seq_file *m, loff_t *pos)
projects / mirror_ubuntu-artful-kernel.git / commitdiff