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 #ifdef __SMP_PROF__
  39         PROC_SMP_PROF,
  40 #endif
  41         PROC_PROFILE, /* whether enabled or not */
  42         PROC_CMDLINE,
  43         PROC_SYS
  44 };
  45 
  46 enum pid_directory_inos {
  47         PROC_PID_INO = 2,
  48         PROC_PID_MEM,
  49         PROC_PID_CWD,
  50         PROC_PID_ROOT,
  51         PROC_PID_EXE,
  52         PROC_PID_FD,
  53         PROC_PID_ENVIRON,
  54         PROC_PID_CMDLINE,
  55         PROC_PID_STAT,
  56         PROC_PID_STATM,
  57         PROC_PID_MAPS
  58 };
  59 
  60 enum pid_subdirectory_inos {
  61         PROC_PID_FD_DIR = 1
  62 };
  63 
  64 enum net_directory_inos {
  65         PROC_NET_UNIX = 128,
  66         PROC_NET_ARP,
  67         PROC_NET_ROUTE,
  68         PROC_NET_DEV,
  69         PROC_NET_RAW,
  70         PROC_NET_TCP,
  71         PROC_NET_UDP,
  72         PROC_NET_SNMP,
  73         PROC_NET_RARP,
  74         PROC_NET_IGMP,
  75         PROC_NET_IPMR_VIF,
  76         PROC_NET_IPMR_MFC,
  77         PROC_NET_IPFWFWD,
  78         PROC_NET_IPFWBLK,
  79         PROC_NET_IPACCT,
  80         PROC_NET_IPMSQHST,
  81         PROC_NET_WAVELAN,
  82         PROC_NET_IPX_INTERFACE,
  83         PROC_NET_IPX_ROUTE,
  84         PROC_NET_IPX,
  85         PROC_NET_ATALK,
  86         PROC_NET_AT_ROUTE,
  87         PROC_NET_ATIF,
  88         PROC_NET_AX25_ROUTE,
  89         PROC_NET_AX25,
  90         PROC_NET_AX25_CALLS,
  91         PROC_NET_NR_NODES,
  92         PROC_NET_NR_NEIGH,
  93         PROC_NET_NR,
  94         PROC_NET_SOCKSTAT,
  95         PROC_NET_RTCACHE,
  96         PROC_NET_AX25_BPQETHER,
  97         PROC_NET_ALIAS_TYPES,
  98         PROC_NET_ALIASES,
  99         PROC_NET_LAST
 100 };
 101 
 102 enum scsi_directory_inos {
 103         PROC_SCSI_SCSI = 256,
 104         PROC_SCSI_ADVANSYS,
 105         PROC_SCSI_EATA,
 106         PROC_SCSI_EATA_PIO,
 107         PROC_SCSI_AHA152X,
 108         PROC_SCSI_AHA1542,
 109         PROC_SCSI_AHA1740,
 110         PROC_SCSI_AIC7XXX,
 111         PROC_SCSI_BUSLOGIC,
 112         PROC_SCSI_U14_34F,
 113         PROC_SCSI_FDOMAIN,
 114         PROC_SCSI_GENERIC_NCR5380,
 115         PROC_SCSI_IN2000,
 116         PROC_SCSI_PAS16,
 117         PROC_SCSI_QLOGIC,
 118         PROC_SCSI_SEAGATE,
 119         PROC_SCSI_T128,
 120         PROC_SCSI_NCR53C7xx,
 121         PROC_SCSI_ULTRASTOR,
 122         PROC_SCSI_7000FASST,
 123         PROC_SCSI_EATA2X,
 124         PROC_SCSI_AM53C974,
 125         PROC_SCSI_SSC,
 126         PROC_SCSI_SCSI_DEBUG,   
 127         PROC_SCSI_NOT_PRESENT,
 128         PROC_SCSI_FILE,                        /* I'm asuming here that we */
 129         PROC_SCSI_LAST = (PROC_SCSI_FILE + 16) /* won't ever see more than */
 130 };                                             /* 16 HBAs in one machine   */
 131 
 132 /* Finally, the dynamically allocatable proc entries are reserved: */
 133 
 134 #define PROC_DYNAMIC_FIRST 4096
 135 #define PROC_NDYNAMIC      4096
 136 
 137 #define PROC_SUPER_MAGIC 0x9fa0
 138 
 139 /*
 140  * This is not completely implemented yet. The idea is to
 141  * create a in-memory tree (like the actual /proc filesystem
 142  * tree) of these proc_dir_entries, so that we can dynamically
 143  * add new files to /proc.
 144  *
 145  * The "next" pointer creates a linked list of one /proc directory,
 146  * while parent/subdir create the directory structure (every
 147  * /proc file has a parent, but "subdir" is NULL for all
 148  * non-directory entries).
 149  *
 150  * "get_info" is called at "read", while "fill_inode" is used to
 151  * fill in file type/protection/owner information specific to the
 152  * particular /proc file.
 153  */
 154 struct proc_dir_entry {
 155         unsigned short low_ino;
 156         unsigned short namelen;
 157         const char *name;
 158         mode_t mode;
 159         nlink_t nlink;
 160         uid_t uid;
 161         gid_t gid;
 162         unsigned long size;
 163         struct inode_operations * ops;
 164         int (*get_info)(char *, char **, off_t, int, int);
 165         void (*fill_inode)(struct inode *);
 166         struct proc_dir_entry *next, *parent, *subdir;
 167         void *data;
 168 };
 169 
 170 extern int (* dispatch_scsi_info_ptr) (int ino, char *buffer, char **start,
 171                                 off_t offset, int length, int inout);
 172 
 173 extern struct proc_dir_entry proc_root;
 174 extern struct proc_dir_entry proc_net;
 175 extern struct proc_dir_entry proc_scsi;
 176 extern struct proc_dir_entry proc_sys;
 177 extern struct proc_dir_entry proc_pid;
 178 extern struct proc_dir_entry proc_pid_fd;
 179 
 180 extern struct inode_operations proc_scsi_inode_operations;
 181 
 182 extern void proc_root_init(void);
 183 extern void proc_base_init(void);
 184 extern void proc_net_init(void);
 185 
 186 extern int proc_register(struct proc_dir_entry *, struct proc_dir_entry *);
 187 extern int proc_register_dynamic(struct proc_dir_entry *, 
 188                                  struct proc_dir_entry *);
 189 extern int proc_unregister(struct proc_dir_entry *, int);
 190 
 191 static inline int proc_net_register(struct proc_dir_entry * x)
     /*  */
 192 {
 193         return proc_register(&proc_net, x);
 194 }
 195 
 196 static inline int proc_net_unregister(int x)
     /*  */
 197 {
 198         return proc_unregister(&proc_net, x);
 199 }
 200 
 201 static inline int proc_scsi_register(struct proc_dir_entry *driver, 
     /*  */
 202                                      struct proc_dir_entry *x)
 203 {
 204     x->ops = &proc_scsi_inode_operations;
 205     if(x->low_ino < PROC_SCSI_FILE){
 206         return(proc_register(&proc_scsi, x));
 207     }else{
 208         return(proc_register(driver, x));
 209     }
 210 }
 211 
 212 static inline int proc_scsi_unregister(struct proc_dir_entry *driver, int x)
     /*  */
 213 {
 214     extern void scsi_init_free(char *ptr, unsigned int size);
 215 
 216     if(x <= PROC_SCSI_FILE)
 217         return(proc_unregister(&proc_scsi, x));
 218     else {
 219         struct proc_dir_entry **p = &driver->subdir, *dp;
 220         int ret;
 221 
 222         while ((dp = *p) != NULL) {
 223                 if (dp->low_ino == x) 
 224                     break;
 225                 p = &dp->next;
 226         }
 227         ret = proc_unregister(driver, x);
 228         scsi_init_free((char *) dp, sizeof(struct proc_dir_entry) + 4);
 229         return(ret);
 230     }
 231 }
 232 
 233 extern struct super_block *proc_read_super(struct super_block *,void *,int);
 234 extern int init_proc_fs(void);
 235 extern struct inode * proc_get_inode(struct super_block *, int, struct proc_dir_entry *);
 236 extern void proc_statfs(struct super_block *, struct statfs *, int);
 237 extern void proc_read_inode(struct inode *);
 238 extern void proc_write_inode(struct inode *);
 239 extern int proc_match(int, const char *, struct proc_dir_entry *);
 240 
 241 /*
 242  * These are generic /proc routines that use the internal
 243  * "struct proc_dir_entry" tree to traverse the filesystem.
 244  *
 245  * The /proc root directory has extended versions to take care
 246  * of the /proc/<pid> subdirectories.
 247  */
 248 extern int proc_readdir(struct inode *, struct file *, void *, filldir_t);
 249 extern int proc_lookup(struct inode *, const char *, int, struct inode **);
 250 
 251 extern struct inode_operations proc_dir_inode_operations;
 252 extern struct inode_operations proc_net_inode_operations;
 253 extern struct inode_operations proc_netdir_inode_operations;
 254 extern struct inode_operations proc_scsi_inode_operations;
 255 extern struct inode_operations proc_mem_inode_operations;
 256 extern struct inode_operations proc_sys_inode_operations;
 257 extern struct inode_operations proc_array_inode_operations;
 258 extern struct inode_operations proc_arraylong_inode_operations;
 259 extern struct inode_operations proc_kcore_inode_operations;
 260 extern struct inode_operations proc_profile_inode_operations;
 261 extern struct inode_operations proc_kmsg_inode_operations;
 262 extern struct inode_operations proc_link_inode_operations;
 263 extern struct inode_operations proc_fd_inode_operations;
 264 
 265 #endif
/* */
root/include/linux/proc_fs.h

INCLUDED FROM

DEFINITIONS
