1 /* 2 * 3 * Copyright (c) International Business Machines Corp., 2001 4 * 5 * This program is free software; you can redistribute it and/or modify 6 * it under the terms of the GNU General Public License as published by 7 * the Free Software Foundation; either version 2 of the License, or 8 * (at your option) any later version. 9 * 10 * This program is distributed in the hope that it will be useful, 11 * but WITHOUT ANY WARRANTY; without even the implied warranty of 12 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See 13 * the GNU General Public License for more details. 14 * 15 * You should have received a copy of the GNU General Public License 16 * along with this program; if not, write to the Free Software 17 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA 18 * 19 20 * This is the main of your user space test program, 21 * which will open the correct kernel module, find the 22 * file descriptor value and use that value to make 23 * ioctl calls to the system 24 * 25 * Use the ki_generic and other ki_testname functions 26 * to abstract the calls from the main 27 * 28 * author: Sean Ruyle 29 * date: 06/11/2003 30 * 31 */ 32 33 #include <stdio.h> 34 #include <stdlib.h> 35 #include <sys/stat.h> 36 #include <sys/ioctl.h> 37 #include <fcntl.h> 38 #include <linux/kernel.h> 39 #include <linux/errno.h> 40 #include <errno.h> 41 42 #include "user_tbase.h" 43 #include "../tbase/tbase.h" 44 45 static int tbase_fd = -1; /* file descriptor */ 46 47 int tbaseopen() 48 { 49 50 dev_t devt; 51 struct stat st; 52 int rc = 0; 53 54 devt = makedev(TBASEMAJOR, 0); 55 56 if (rc) { 57 if (errno == ENOENT) { 58 /* dev node does not exist. */ 59 rc = mkdir("/dev/tbase", (S_IFDIR | S_IRWXU | 60 S_IRGRP | S_IXGRP | 61 S_IROTH | S_IXOTH)); 62 } else { 63 printf 64 ("ERROR: Problem with Base dev directory. Error code from stat() is %d\n\n", 65 errno); 66 } 67 68 } else { 69 if (!(st.st_mode & S_IFDIR)) { 70 rc = unlink("/dev/tbase"); 71 if (!rc) { 72 rc = mkdir("/dev/tbase", (S_IFDIR | S_IRWXU | 73 S_IRGRP | S_IXGRP | 74 S_IROTH | S_IXOTH)); 75 } 76 } 77 } 78 79 /* 80 * Check for the /dev/tbase node, and create if it does not 81 * exist. 82 */ 83 rc = stat("/dev/tbase", &st); 84 if (rc) { 85 if (errno == ENOENT) { 86 /* dev node does not exist */ 87 rc = mknod("/dev/tbase", 88 (S_IFCHR | S_IRUSR | S_IWUSR | S_IRGRP | 89 S_IWGRP), devt); 90 } else { 91 printf 92 ("ERROR:Problem with tbase device node directory. Error code form stat() is %d\n\n", 93 errno); 94 } 95 96 } else { 97 /* 98 * /dev/tbase CHR device exists. Check to make sure it is for a 99 * block device and that it has the right major and minor. 100 */ 101 if ((!(st.st_mode & S_IFCHR)) || (st.st_rdev != devt)) { 102 103 /* Recreate the dev node. */ 104 rc = unlink("/dev/tbase"); 105 if (!rc) { 106 rc = mknod("/dev/tbase", 107 (S_IFCHR | S_IRUSR | S_IWUSR | 108 S_IRGRP | S_IWGRP), devt); 109 } 110 } 111 } 112 113 tbase_fd = open("/dev/tbase", O_RDWR); 114 115 if (tbase_fd < 0) { 116 printf("ERROR: Open of device %s failed %d errno = %d\n", 117 "/dev/tbase", tbase_fd, errno); 118 return errno; 119 } else { 120 printf("Device opened successfully \n"); 121 return 0; 122 } 123 124 } 125 126 int tbaseclose() 127 { 128 129 if (tbase_fd != -1) { 130 close(tbase_fd); 131 tbase_fd = -1; 132 } 133 134 return 0; 135 } 136 137 int main() 138 { 139 int rc; 140 141 /* open the module */ 142 rc = tbaseopen(); 143 if (rc) { 144 printf("Test MOD Driver may not be loaded\n"); 145 exit(1); 146 } 147 148 /* test bus rescan */ 149 if (ki_generic(tbase_fd, BUS_RESCAN)) 150 printf("Failed on bus rescan\n"); 151 else 152 printf("Success on bus rescan\n"); 153 154 /* test get driver */ 155 if (ki_generic(tbase_fd, GET_DRV)) 156 printf("Failed on get driver\n"); 157 else 158 printf("Success on get driver\n"); 159 160 /* test put driver */ 161 if (ki_generic(tbase_fd, PUT_DRV)) 162 printf("Failed on put driver\n"); 163 else 164 printf("Success on put driver\n"); 165 166 /* test register firmware, should return not 0 */ 167 if (ki_generic(tbase_fd, REG_FIRM)) 168 printf 169 ("Failed on register firmware\n\tPossibly because parent nodes already set\n"); 170 else 171 printf("Success on register firmware\n"); 172 173 /* test create driver file sysfs */ 174 if (ki_generic(tbase_fd, CREATE_FILE)) 175 printf("Failed on creating driver file\n"); 176 else 177 printf("Success on creating driver file\n"); 178 179 /* test device suspend and resume */ 180 if (ki_generic(tbase_fd, DEV_SUSPEND)) 181 printf("Failed on suspending device\n"); 182 else 183 printf("Success on suspending device\n"); 184 185 /* test device create file sysfs */ 186 if (ki_generic(tbase_fd, DEV_FILE)) 187 printf("Failed on creating device file\n"); 188 else 189 printf("Success on creating device file\n"); 190 191 /* test bus create file sysfs */ 192 if (ki_generic(tbase_fd, BUS_FILE)) 193 printf("Failed on creating bus file\n"); 194 else 195 printf("Success on creating bus file\n"); 196 197 /* test register class */ 198 if (ki_generic(tbase_fd, CLASS_REG)) 199 printf("Failed on registering class\n"); 200 else 201 printf("Success on registering class\n"); 202 203 /* test get class */ 204 if (ki_generic(tbase_fd, CLASS_GET)) 205 printf("Failed on get class\n"); 206 else 207 printf("Success on get class\n"); 208 209 /* test class create file sysfs */ 210 if (ki_generic(tbase_fd, CLASS_FILE)) 211 printf("Failed on creating class file\n"); 212 else 213 printf("Success on creating class file\n"); 214 215 /* test unregistering class */ 216 if (ki_generic(tbase_fd, CLASS_UNREG)) 217 printf("Failed on unregistering class\n"); 218 else 219 printf("Success on unregistering class\n"); 220 221 /* test register class device */ 222 if (ki_generic(tbase_fd, CLASSDEV_REG)) 223 printf 224 ("Failed on registering class device and creating sysfs file\n"); 225 else 226 printf 227 ("Success on registering class device and creating sysfs file\n"); 228 229 /* test register class interface */ 230 if (ki_generic(tbase_fd, CLASSINT_REG)) 231 printf("Failed on registering class interface\n"); 232 else 233 printf("Success on registering class interface\n"); 234 235 /* test register sysdev_class */ 236 if (ki_generic(tbase_fd, SYSDEV_CLS_REG)) 237 printf("Failed on registering sysdev_class\n"); 238 else 239 printf("Success on registering sysdev_class\n"); 240 241 /* test register sysdev */ 242 if (ki_generic(tbase_fd, SYSDEV_REG)) 243 printf("Failed on registering sysdev\n"); 244 else 245 printf("Success on registering sysdev\n"); 246 247 /* test unregister sysdev */ 248 if (ki_generic(tbase_fd, SYSDEV_UNREG)) 249 printf("Failed on unregistering sysdev\n"); 250 else 251 printf("Success on unregistering sysdev\n"); 252 253 /* test unregister sysdev_class */ 254 if (ki_generic(tbase_fd, SYSDEV_CLS_UNREG)) 255 printf("Failed on unregistering sysdev_class\n"); 256 else 257 printf("Success on unregistering sysdev_class\n"); 258 259 /* close the module */ 260 rc = tbaseclose(); 261 if (rc) { 262 printf("Test MOD Driver may not be closed\n"); 263 exit(1); 264 } 265 266 return 0; 267 } 268
