include/linux/proc

/* */
This source file includes following definitions.
proc_net_register
proc_net_unregister
proc_scsi_register
proc_scsi_unregister
   1 #ifndef _LINUX_PROC_FS_H
   2 #define _LINUX_PROC_FS_H
   3 
   4 #include <linux/fs.h>
   5 #include <linux/malloc.h>
   6 
   7 /*
   8  * The proc filesystem constants/structures
   9  */
  10 
  11 /*
  12  * We always define these enumerators
  13  */
  14 
  15 enum root_directory_inos {
  16         PROC_ROOT_INO = 1,
  17         PROC_LOADAVG,
  18         PROC_UPTIME,
  19         PROC_MEMINFO,
  20         PROC_KMSG,
  21         PROC_VERSION,
  22         PROC_CPUINFO,
  23         PROC_PCI,
  24         PROC_SELF,      /* will change inode # */
  25         PROC_NET,
  26         PROC_SCSI,
  27         PROC_MALLOC,
  28         PROC_KCORE,
  29         PROC_MODULES,
  30         PROC_STAT,
  31         PROC_DEVICES,
  32         PROC_INTERRUPTS,
  33         PROC_FILESYSTEMS,
  34         PROC_KSYMS,
  35         PROC_DMA,       
  36         PROC_IOPORTS,
  37         PROC_APM,
  38         PROC_PROFILE /* whether enabled or not */
  39 };
  40 
  41 enum pid_directory_inos {
  42         PROC_PID_INO = 2,
  43         PROC_PID_MEM,
  44         PROC_PID_CWD,
  45         PROC_PID_ROOT,
  46         PROC_PID_EXE,
  47         PROC_PID_FD,
  48         PROC_PID_ENVIRON,
  49         PROC_PID_CMDLINE,
  50         PROC_PID_STAT,
  51         PROC_PID_STATM,
  52         PROC_PID_MAPS
  53 };
  54 
  55 enum pid_subdirectory_inos {
  56         PROC_PID_FD_DIR = 1
  57 };
  58 
  59 enum net_directory_inos {
  60         PROC_NET_UNIX = 128,
  61         PROC_NET_ARP,
  62         PROC_NET_ROUTE,
  63         PROC_NET_DEV,
  64         PROC_NET_RAW,
  65         PROC_NET_TCP,
  66         PROC_NET_UDP,
  67         PROC_NET_SNMP,
  68         PROC_NET_RARP,
  69         PROC_NET_IGMP,
  70         PROC_NET_IPMR_VIF,
  71         PROC_NET_IPMR_MFC,
  72         PROC_NET_IPFWFWD,
  73         PROC_NET_IPFWBLK,
  74         PROC_NET_IPACCT,
  75         PROC_NET_IPMSQHST,
  76         PROC_NET_WAVELAN,
  77         PROC_NET_IPX_INTERFACE,
  78         PROC_NET_IPX_ROUTE,
  79         PROC_NET_IPX,
  80         PROC_NET_ATALK,
  81         PROC_NET_AT_ROUTE,
  82         PROC_NET_ATIF,
  83         PROC_NET_AX25_ROUTE,
  84         PROC_NET_AX25,
  85         PROC_NET_AX25_CALLS,
  86         PROC_NET_NR_NODES,
  87         PROC_NET_NR_NEIGH,
  88         PROC_NET_NR,
  89         PROC_NET_SOCKSTAT,
  90         PROC_NET_RTCACHE,
  91         PROC_NET_AX25_BPQETHER,
  92         PROC_NET_ALIAS_TYPES,
  93         PROC_NET_ALIASES,
  94         PROC_NET_LAST
  95 };
  96 
  97 enum scsi_directory_inos {
  98         PROC_SCSI_SCSI = 256,
  99         PROC_SCSI_EATA,
 100         PROC_SCSI_EATA_PIO,
 101         PROC_SCSI_AHA152X,
 102         PROC_SCSI_AHA1542,
 103         PROC_SCSI_AHA1740,
 104         PROC_SCSI_AIC7XXX,
 105         PROC_SCSI_BUSLOGIC,
 106         PROC_SCSI_U14_34F,
 107         PROC_SCSI_FDOMAIN,
 108         PROC_SCSI_GENERIC_NCR5380,
 109         PROC_SCSI_IN2000,
 110         PROC_SCSI_PAS16,
 111         PROC_SCSI_QLOGIC,
 112         PROC_SCSI_SEAGATE,
 113         PROC_SCSI_T128,
 114         PROC_SCSI_NCR53C7xx,
 115         PROC_SCSI_ULTRASTOR,
 116         PROC_SCSI_7000FASST,
 117         PROC_SCSI_EATA2X,
 118         PROC_SCSI_SSC,
 119         PROC_SCSI_SCSI_DEBUG,   
 120         PROC_SCSI_NOT_PRESENT,
 121         PROC_SCSI_FILE,                        /* I'm asuming here that we */
 122         PROC_SCSI_LAST = (PROC_SCSI_FILE + 16) /* won't ever see more than */
 123 };                                             /* 16 HBAs in one machine   */
 124 
 125 #define PROC_SUPER_MAGIC 0x9fa0
 126 
 127 /*
 128  * This is not completely implemented yet. The idea is to
 129  * create a in-memory tree (like the actual /proc filesystem
 130  * tree) of these proc_dir_entries, so that we can dynamically
 131  * add new files to /proc.
 132  *
 133  * The "next" pointer creates a linked list of one /proc directory,
 134  * while parent/subdir create the directory structure (every
 135  * /proc file has a parent, but "subdir" is NULL for all
 136  * non-directory entries).
 137  *
 138  * "get_info" is called at "read", while "fill_inode" is used to
 139  * fill in file type/protection/owner information specific to the
 140  * particular /proc file.
 141  */
 142 struct proc_dir_entry {
 143         unsigned short low_ino;
 144         unsigned short namelen;
 145         const char *name;
 146         mode_t mode;
 147         nlink_t nlink;
 148         uid_t uid;
 149         gid_t gid;
 150         unsigned long size;
 151         struct inode_operations * ops;
 152         int (*get_info)(char *, char **, off_t, int, int);
 153         void (*fill_inode)(struct inode *);
 154         struct proc_dir_entry *next, *parent, *subdir;
 155 };
 156 
 157 extern struct proc_dir_entry proc_root;
 158 extern struct proc_dir_entry proc_net;
 159 extern struct proc_dir_entry proc_scsi;
 160 extern struct proc_dir_entry proc_pid;
 161 extern struct proc_dir_entry proc_pid_fd;
 162 
 163 extern struct inode_operations proc_scsi_inode_operations;
 164 
 165 extern void proc_root_init(void);
 166 extern void proc_base_init(void);
 167 extern void proc_net_init(void);
 168 
 169 extern int proc_register(struct proc_dir_entry *, struct proc_dir_entry *);
 170 extern int proc_unregister(struct proc_dir_entry *, int);
 171 
 172 static inline int proc_net_register(struct proc_dir_entry * x)
     /*  */
 173 {
 174         return proc_register(&proc_net, x);
 175 }
 176 
 177 static inline int proc_net_unregister(int x)
     /*  */
 178 {
 179         return proc_unregister(&proc_net, x);
 180 }
 181 
 182 static inline int proc_scsi_register(struct proc_dir_entry *driver, 
     /*  */
 183                                      struct proc_dir_entry *x)
 184 {
 185     x->ops = &proc_scsi_inode_operations;
 186     if(x->low_ino < PROC_SCSI_FILE){
 187         return(proc_register(&proc_scsi, x));
 188     }else{
 189         return(proc_register(driver, x));
 190     }
 191 }
 192 
 193 static inline int proc_scsi_unregister(struct proc_dir_entry *driver, int x)
     /*  */
 194 {
 195     extern void scsi_init_free(char *ptr, unsigned int size);
 196 
 197     if(x <= PROC_SCSI_FILE)
 198         return(proc_unregister(&proc_scsi, x));
 199     else {
 200         struct proc_dir_entry **p = &driver->subdir, *dp;
 201         int ret;
 202 
 203         while ((dp = *p) != NULL) {
 204                 if (dp->low_ino == x) 
 205                     break;
 206                 p = &dp->next;
 207         }
 208         ret = proc_unregister(driver, x);
 209         scsi_init_free((char *) dp, sizeof(struct proc_dir_entry) + 4);
 210         return(ret);
 211     }
 212 }
 213 
 214 extern struct super_block *proc_read_super(struct super_block *,void *,int);
 215 extern struct inode * proc_get_inode(struct super_block *, int, struct proc_dir_entry *);
 216 extern void proc_statfs(struct super_block *, struct statfs *, int);
 217 extern void proc_read_inode(struct inode *);
 218 extern void proc_write_inode(struct inode *);
 219 extern int proc_match(int, const char *, struct proc_dir_entry *);
 220 
 221 /*
 222  * These are generic /proc routines that use the internal
 223  * "struct proc_dir_entry" tree to traverse the filesystem.
 224  *
 225  * The /proc root directory has extended versions to take care
 226  * of the /proc/<pid> subdirectories.
 227  */
 228 extern int proc_readdir(struct inode *, struct file *, void *, filldir_t);
 229 extern int proc_lookup(struct inode *, const char *, int, struct inode **);
 230 
 231 extern struct inode_operations proc_net_inode_operations;
 232 extern struct inode_operations proc_netdir_inode_operations;
 233 extern struct inode_operations proc_scsi_inode_operations;
 234 extern struct inode_operations proc_mem_inode_operations;
 235 extern struct inode_operations proc_array_inode_operations;
 236 extern struct inode_operations proc_arraylong_inode_operations;
 237 extern struct inode_operations proc_kcore_inode_operations;
 238 extern struct inode_operations proc_profile_inode_operations;
 239 extern struct inode_operations proc_kmsg_inode_operations;
 240 extern struct inode_operations proc_link_inode_operations;
 241 extern struct inode_operations proc_fd_inode_operations;
 242 
 243 #endif
/* */
root/include/linux/proc_fs.h

INCLUDED FROM

DEFINITIONS
