projects / linux-block.git / blame
| Commit | Line | Data |
|---|---|---|
| 1da177e4 LT |
1 | /* $Id: diva_didd.c,v 1.13.6.4 2005/02/11 19:40:25 armin Exp $ |
| 2 | * | |
| 3 | * DIDD Interface module for Eicon active cards. | |
| 4 | * | |
| 5 | * Functions are in dadapter.c | |
| 6 | * | |
| 7 | * Copyright 2002-2003 by Armin Schindler (mac@melware.de) | |
| 8 | * Copyright 2002-2003 Cytronics & Melware (info@melware.de) | |
| 9 | * | |
| 10 | * This software may be used and distributed according to the terms | |
| 11 | * of the GNU General Public License, incorporated herein by reference. | |
| 12 | */ | |
| 13 | ||
| 1da177e4 LT |
14 | #include <linux/module.h> |
| 15 | #include <linux/init.h> | |
| 16 | #include <linux/kernel.h> | |
| 17 | #include <linux/proc_fs.h> | |
| 457c4cbc | 18 | #include <net/net_namespace.h> |
| 1da177e4 LT |
19 | |
| 20 | #include "platform.h" | |
| 21 | #include "di_defs.h" | |
| 22 | #include "dadapter.h" | |
| 23 | #include "divasync.h" | |
| 24 | #include "did_vers.h" | |
| 25 | ||
| 26 | static char *main_revision = "$Revision: 1.13.6.4 $"; | |
| 27 | ||
| 28 | static char *DRIVERNAME = | |
| 29 | "Eicon DIVA - DIDD table (http://www.melware.net)"; | |
| 30 | static char *DRIVERLNAME = "divadidd"; | |
| 31 | char *DRIVERRELEASE_DIDD = "2.0"; | |
| 32 | ||
| 1da177e4 LT |
33 | MODULE_DESCRIPTION("DIDD table driver for diva drivers"); |
| 34 | MODULE_AUTHOR("Cytronics & Melware, Eicon Networks"); | |
| 35 | MODULE_SUPPORTED_DEVICE("Eicon diva drivers"); | |
| 36 | MODULE_LICENSE("GPL"); | |
| 37 | ||
| 38 | #define DBG_MINIMUM (DL_LOG + DL_FTL + DL_ERR) | |
| 39 | #define DBG_DEFAULT (DBG_MINIMUM + DL_XLOG + DL_REG) | |
| 40 | ||
| 41 | extern int diddfunc_init(void); | |
| 42 | extern void diddfunc_finit(void); | |
| 43 | ||
| 44 | extern void DIVA_DIDD_Read(void *, int); | |
| 45 | ||
| 46 | static struct proc_dir_entry *proc_didd; | |
| 47 | struct proc_dir_entry *proc_net_eicon = NULL; | |
| 48 | ||
| 49 | EXPORT_SYMBOL(DIVA_DIDD_Read); | |
| 50 | EXPORT_SYMBOL(proc_net_eicon); | |
| 51 | ||
| 52 | static char *getrev(const char *revision) | |
| 53 | { | |
| 54 | char *rev; | |
| 55 | char *p; | |
| 56 | if ((p = strchr(revision, ':'))) { | |
| 57 | rev = p + 2; | |
| 58 | p = strchr(rev, '$'); | |
| 59 | *--p = 0; | |
| 60 | } else | |
| 61 | rev = "1.0"; | |
| 62 | return rev; | |
| 63 | } | |
| 64 | ||
| 65 | static int | |
| 66 | proc_read(char *page, char **start, off_t off, int count, int *eof, | |
| 67 | void *data) | |
| 68 | { | |
| 69 | int len = 0; | |
| 70 | char tmprev[32]; | |
| 71 | ||
| 72 | strcpy(tmprev, main_revision); | |
| 73 | len += sprintf(page + len, "%s\n", DRIVERNAME); | |
| 74 | len += sprintf(page + len, "name : %s\n", DRIVERLNAME); | |
| 75 | len += sprintf(page + len, "release : %s\n", DRIVERRELEASE_DIDD); | |
| 76 | len += sprintf(page + len, "build : %s(%s)\n", | |
| 77 | diva_didd_common_code_build, DIVA_BUILD); | |
| 78 | len += sprintf(page + len, "revision : %s\n", getrev(tmprev)); | |
| 79 | ||
| 80 | if (off + count >= len) | |
| 81 | *eof = 1; | |
| 82 | if (len < off) | |
| 83 | return 0; | |
| 84 | *start = page + off; | |
| 85 | return ((count < len - off) ? count : len - off); | |
| 86 | } | |
| 87 | ||
| 88 | static int DIVA_INIT_FUNCTION create_proc(void) | |
| 89 | { | |
| 457c4cbc | 90 | proc_net_eicon = proc_mkdir("eicon", init_net.proc_net); |
| 1da177e4 LT |
91 | |
| 92 | if (proc_net_eicon) { | |
| 93 | if ((proc_didd = | |
| 94 | create_proc_entry(DRIVERLNAME, S_IFREG | S_IRUGO, | |
| 95 | proc_net_eicon))) { | |
| 96 | proc_didd->read_proc = proc_read; | |
| 97 | } | |
| 98 | return (1); | |
| 99 | } | |
| 100 | return (0); | |
| 101 | } | |
| 102 | ||
| 162dd3b9 | 103 | static void remove_proc(void) |
| 1da177e4 LT |
104 | { |
| 105 | remove_proc_entry(DRIVERLNAME, proc_net_eicon); | |
| 457c4cbc | 106 | remove_proc_entry("eicon", init_net.proc_net); |
| 1da177e4 LT |
107 | } |
| 108 | ||
| 109 | static int DIVA_INIT_FUNCTION divadidd_init(void) | |
| 110 | { | |
| 111 | char tmprev[32]; | |
| 112 | int ret = 0; | |
| 113 | ||
| 114 | printk(KERN_INFO "%s\n", DRIVERNAME); | |
| 115 | printk(KERN_INFO "%s: Rel:%s Rev:", DRIVERLNAME, DRIVERRELEASE_DIDD); | |
| 116 | strcpy(tmprev, main_revision); | |
| 117 | printk("%s Build:%s(%s)\n", getrev(tmprev), | |
| 118 | diva_didd_common_code_build, DIVA_BUILD); | |
| 119 | ||
| 120 | if (!create_proc()) { | |
| 121 | printk(KERN_ERR "%s: could not create proc entry\n", | |
| 122 | DRIVERLNAME); | |
| 123 | ret = -EIO; | |
| 124 | goto out; | |
| 125 | } | |
| 126 | ||
| 127 | if (!diddfunc_init()) { | |
| 128 | printk(KERN_ERR "%s: failed to connect to DIDD.\n", | |
| 129 | DRIVERLNAME); | |
| 130 | #ifdef MODULE | |
| 131 | remove_proc(); | |
| 132 | #endif | |
| 133 | ret = -EIO; | |
| 134 | goto out; | |
| 135 | } | |
| 136 | ||
| 137 | out: | |
| 138 | return (ret); | |
| 139 | } | |
| 140 | ||
| 141 | static void DIVA_EXIT_FUNCTION divadidd_exit(void) | |
| 142 | { | |
| 143 | diddfunc_finit(); | |
| 144 | remove_proc(); | |
| 145 | printk(KERN_INFO "%s: module unloaded.\n", DRIVERLNAME); | |
| 146 | } | |
| 147 | ||
| 148 | module_init(divadidd_init); | |
| 149 | module_exit(divadidd_exit); |