1 files changed, 292 insertions, 0 deletions
diff --git a/linux/src/include/linux/proc_fs.h b/linux/src/include/linux/proc_fs.h
new file mode 100644
index 0000000..bbb74dd
--- /dev/null
+++ b/linux/src/include/linux/proc_fs.h
@@ -0,0 +1,292 @@
+#ifndef _LINUX_PROC_FS_H
+#define _LINUX_PROC_FS_H
+
+#include <linux/fs.h>
+#include <linux/malloc.h>
+
+/*
+ * The proc filesystem constants/structures
+ */
+
+/*
+ * We always define these enumerators
+ */
+
+enum root_directory_inos {
+	PROC_ROOT_INO = 1,
+	PROC_LOADAVG,
+	PROC_UPTIME,
+	PROC_MEMINFO,
+	PROC_KMSG,
+	PROC_VERSION,
+	PROC_CPUINFO,
+	PROC_PCI,
+	PROC_SELF,	/* will change inode # */
+	PROC_NET,
+        PROC_SCSI,
+	PROC_MALLOC,
+	PROC_KCORE,
+	PROC_MODULES,
+	PROC_STAT,
+	PROC_DEVICES,
+	PROC_INTERRUPTS,
+	PROC_FILESYSTEMS,
+	PROC_KSYMS,
+	PROC_DMA,	
+	PROC_IOPORTS,
+#ifdef __SMP_PROF__
+	PROC_SMP_PROF,
+#endif
+	PROC_PROFILE, /* whether enabled or not */
+	PROC_CMDLINE,
+	PROC_SYS,
+	PROC_MTAB,
+	PROC_MD,
+	PROC_RTC,
+	PROC_LOCKS
+};
+
+enum pid_directory_inos {
+	PROC_PID_INO = 2,
+	PROC_PID_STATUS,
+	PROC_PID_MEM,
+	PROC_PID_CWD,
+	PROC_PID_ROOT,
+	PROC_PID_EXE,
+	PROC_PID_FD,
+	PROC_PID_ENVIRON,
+	PROC_PID_CMDLINE,
+	PROC_PID_STAT,
+	PROC_PID_STATM,
+	PROC_PID_MAPS
+};
+
+enum pid_subdirectory_inos {
+	PROC_PID_FD_DIR = 1
+};
+
+enum net_directory_inos {
+	PROC_NET_UNIX = 128,
+	PROC_NET_ARP,
+	PROC_NET_ROUTE,
+	PROC_NET_DEV,
+	PROC_NET_RAW,
+	PROC_NET_TCP,
+	PROC_NET_UDP,
+	PROC_NET_SNMP,
+	PROC_NET_RARP,
+	PROC_NET_IGMP,
+	PROC_NET_IPMR_VIF,
+	PROC_NET_IPMR_MFC,
+	PROC_NET_IPFWFWD,
+	PROC_NET_IPFWIN,
+	PROC_NET_IPFWOUT,
+	PROC_NET_IPACCT,
+	PROC_NET_IPMSQHST,
+	PROC_NET_WIRELESS,
+	PROC_NET_IPX_INTERFACE,
+	PROC_NET_IPX_ROUTE,
+	PROC_NET_IPX,
+	PROC_NET_ATALK,
+	PROC_NET_AT_ROUTE,
+	PROC_NET_ATIF,
+	PROC_NET_AX25_ROUTE,
+	PROC_NET_AX25,
+	PROC_NET_AX25_CALLS,
+	PROC_NET_NR_NODES,
+	PROC_NET_NR_NEIGH,
+	PROC_NET_NR,
+	PROC_NET_SOCKSTAT,
+	PROC_NET_RTCACHE,
+	PROC_NET_AX25_BPQETHER,
+	PROC_NET_ALIAS_TYPES,
+	PROC_NET_ALIASES,
+	PROC_NET_IP_MASQ_APP,
+	PROC_NET_STRIP_STATUS,
+	PROC_NET_STRIP_TRACE,
+	PROC_NET_IPAUTOFW,
+	PROC_NET_RS_NODES,
+	PROC_NET_RS_NEIGH,
+	PROC_NET_RS_ROUTES,
+	PROC_NET_RS,
+	PROC_NET_Z8530,
+	PROC_NET_LAST
+};
+
+enum scsi_directory_inos {
+	PROC_SCSI_SCSI = 256,
+	PROC_SCSI_ADVANSYS,
+	PROC_SCSI_EATA,
+	PROC_SCSI_EATA_PIO,
+	PROC_SCSI_AHA152X,
+	PROC_SCSI_AHA1542,
+	PROC_SCSI_AHA1740,
+	PROC_SCSI_AIC7XXX,
+	PROC_SCSI_BUSLOGIC,
+	PROC_SCSI_U14_34F,
+	PROC_SCSI_FDOMAIN,
+	PROC_SCSI_GENERIC_NCR5380,
+	PROC_SCSI_IN2000,
+	PROC_SCSI_PAS16,
+	PROC_SCSI_QLOGICFAS,
+	PROC_SCSI_QLOGICISP,
+	PROC_SCSI_SEAGATE,
+	PROC_SCSI_T128,
+	PROC_SCSI_DC390T,
+	PROC_SCSI_NCR53C7xx,
+	PROC_SCSI_NCR53C8XX,
+	PROC_SCSI_ULTRASTOR,
+	PROC_SCSI_7000FASST,
+	PROC_SCSI_EATA2X,
+	PROC_SCSI_AM53C974,
+	PROC_SCSI_SSC,
+	PROC_SCSI_NCR53C406A,
+	PROC_SCSI_MEGARAID,
+	PROC_SCSI_PPA,
+	PROC_SCSI_ESP,
+	PROC_SCSI_A3000,
+	PROC_SCSI_A2091,
+	PROC_SCSI_GVP11,
+	PROC_SCSI_ATARI,
+	PROC_SCSI_GDTH,
+	PROC_SCSI_IDESCSI,
+	PROC_SCSI_SCSI_DEBUG,	
+	PROC_SCSI_NOT_PRESENT,
+	PROC_SCSI_FILE,                        /* I'm assuming here that we */
+	PROC_SCSI_LAST = (PROC_SCSI_FILE + 16) /* won't ever see more than */
+};                                             /* 16 HBAs in one machine   */
+
+/* Finally, the dynamically allocatable proc entries are reserved: */
+
+#define PROC_DYNAMIC_FIRST 4096
+#define PROC_NDYNAMIC      4096
+
+#define PROC_SUPER_MAGIC 0x9fa0
+
+/*
+ * This is not completely implemented yet. The idea is to
+ * create a in-memory tree (like the actual /proc filesystem
+ * tree) of these proc_dir_entries, so that we can dynamically
+ * add new files to /proc.
+ *
+ * The "next" pointer creates a linked list of one /proc directory,
+ * while parent/subdir create the directory structure (every
+ * /proc file has a parent, but "subdir" is NULL for all
+ * non-directory entries).
+ *
+ * "get_info" is called at "read", while "fill_inode" is used to
+ * fill in file type/protection/owner information specific to the
+ * particular /proc file.
+ */
+struct proc_dir_entry {
+	unsigned short low_ino;
+	unsigned short namelen;
+	const char *name;
+	mode_t mode;
+	nlink_t nlink;
+	uid_t uid;
+	gid_t gid;
+	unsigned long size;
+	struct inode_operations * ops;
+	int (*get_info)(char *, char **, off_t, int, int);
+	void (*fill_inode)(struct inode *);
+	struct proc_dir_entry *next, *parent, *subdir;
+	void *data;
+};
+
+extern int (* dispatch_scsi_info_ptr) (int ino, char *buffer, char **start,
+				off_t offset, int length, int inout);
+
+extern struct proc_dir_entry proc_root;
+extern struct proc_dir_entry proc_net;
+extern struct proc_dir_entry proc_scsi;
+extern struct proc_dir_entry proc_sys;
+extern struct proc_dir_entry proc_pid;
+extern struct proc_dir_entry proc_pid_fd;
+
+extern struct inode_operations proc_scsi_inode_operations;
+
+extern void proc_root_init(void);
+extern void proc_base_init(void);
+extern void proc_net_init(void);
+
+extern int proc_register(struct proc_dir_entry *, struct proc_dir_entry *);
+extern int proc_register_dynamic(struct proc_dir_entry *, 
+				 struct proc_dir_entry *);
+extern int proc_unregister(struct proc_dir_entry *, int);
+
+static inline int proc_net_register(struct proc_dir_entry * x)
+{
+	return proc_register(&proc_net, x);
+}
+
+static inline int proc_net_unregister(int x)
+{
+	return proc_unregister(&proc_net, x);
+}
+
+static inline int proc_scsi_register(struct proc_dir_entry *driver, 
+				     struct proc_dir_entry *x)
+{
+    x->ops = &proc_scsi_inode_operations;
+    if(x->low_ino < PROC_SCSI_FILE){
+	return(proc_register(&proc_scsi, x));
+    }else{
+	return(proc_register(driver, x));
+    }
+}
+
+static inline int proc_scsi_unregister(struct proc_dir_entry *driver, int x)
+{
+    extern void scsi_init_free(char *ptr, unsigned int size);
+
+    if(x <= PROC_SCSI_FILE)
+	return(proc_unregister(&proc_scsi, x));
+    else {
+	struct proc_dir_entry **p = &driver->subdir, *dp;
+	int ret;
+
+	while ((dp = *p) != NULL) {
+		if (dp->low_ino == x) 
+		    break;
+		p = &dp->next;
+	}
+	ret = proc_unregister(driver, x);
+	scsi_init_free((char *) dp, sizeof(struct proc_dir_entry) + 4);
+	return(ret);
+    }
+}
+
+extern struct super_block *proc_read_super(struct super_block *,void *,int);
+extern int init_proc_fs(void);
+extern struct inode * proc_get_inode(struct super_block *, int, struct proc_dir_entry *);
+extern void proc_statfs(struct super_block *, struct statfs *, int);
+extern void proc_read_inode(struct inode *);
+extern void proc_write_inode(struct inode *);
+extern int proc_match(int, const char *, struct proc_dir_entry *);
+
+/*
+ * These are generic /proc routines that use the internal
+ * "struct proc_dir_entry" tree to traverse the filesystem.
+ *
+ * The /proc root directory has extended versions to take care
+ * of the /proc/<pid> subdirectories.
+ */
+extern int proc_readdir(struct inode *, struct file *, void *, filldir_t);
+extern int proc_lookup(struct inode *, const char *, int, struct inode **);
+
+extern struct inode_operations proc_dir_inode_operations;
+extern struct inode_operations proc_net_inode_operations;
+extern struct inode_operations proc_netdir_inode_operations;
+extern struct inode_operations proc_scsi_inode_operations;
+extern struct inode_operations proc_mem_inode_operations;
+extern struct inode_operations proc_sys_inode_operations;
+extern struct inode_operations proc_array_inode_operations;
+extern struct inode_operations proc_arraylong_inode_operations;
+extern struct inode_operations proc_kcore_inode_operations;
+extern struct inode_operations proc_profile_inode_operations;
+extern struct inode_operations proc_kmsg_inode_operations;
+extern struct inode_operations proc_link_inode_operations;
+extern struct inode_operations proc_fd_inode_operations;
+
+#endif