2 * YAFFS: Yet another FFS. A NAND-flash specific file system.
4 * Copyright (C) 2002-2010 Aleph One Ltd.
5 * for Toby Churchill Ltd and Brightstar Engineering
7 * Created by Charles Manning <charles@aleph1.co.uk>
9 * This program is free software; you can redistribute it and/or modify
10 * it under the terms of the GNU General Public License version 2 as
11 * published by the Free Software Foundation.
15 #include "nor_stress.h"
19 #include "yaffs_fsx.h"
27 #define FSX_INIT(mount_pt) do{ if(interleave_fsx) yaffs_fsx_init(mount_pt); } while(0)
28 #define FSX_COMPLETE() do { if(interleave_fsx) yaffs_fsx_complete(); } while (0)
32 if((myrand() & 0x1) == 0){\
39 #define FSX_INIT(mount_point) do { } while(0)
40 #define FSX_COMPLETE() do { } while(0)
41 #define FSX() do { } while(0)
45 void (*ext_fatal)(void) = NULL;
47 static unsigned powerUps;
48 static unsigned cycleStarts;
49 static unsigned cycleEnds;
51 static int interleave_fsx;
53 static int no_verification;
55 char fullPathName[100];
56 char fullPowerUpName[100];
57 char fullStartName[100];
58 char fullEndName[100];
59 char fullMainName[100];
60 char fullTempMainName[100];
61 char fullTempCounterName[100];
64 extern int random_seed;
67 random_seed = random_seed * 1103515245 + 12345;
68 return((unsigned)(random_seed/65536) % 32768);
71 void MakeName(char *fullName,const char *prefix, const char *name)
73 strcpy(fullName,prefix);
75 strcat(fullName,name);
79 void MakeFullNames(const char *prefix)
81 MakeName(fullPathName,prefix,"");
82 MakeName(fullPowerUpName,prefix,"powerUps");
83 MakeName(fullStartName,prefix,"starts");
84 MakeName(fullEndName,prefix,"ends");
85 MakeName(fullMainName,prefix,"main");
86 MakeName(fullTempCounterName,prefix,"tmp-counter");
87 MakeName(fullTempMainName,prefix,"tmp-main");
90 static void FatalError(int lineNo)
92 printf("Integrity error %d\n",lineNo);
104 void print_stat(const char *str, struct yaffs_stat *st)
106 printf("%s inode %d\n",str,st->st_ino);
109 static void UpdateCounter(const char *name, unsigned *val, int initialise)
123 inh = yaffs_open(name,O_RDONLY, S_IREAD | S_IWRITE);
125 nread = yaffs_read(inh,x,sizeof(x));
129 if(!no_verification &&
130 (nread != sizeof(x) ||
132 printf("Error reading counter %s handle %d, x[0] %u x[1] %u last error %d\n",
133 name, inh, x[0], x[1],yaffsfs_GetLastError());
134 FatalError(__LINE__);
142 outh = yaffs_open(fullTempCounterName, O_RDWR | O_TRUNC | O_CREAT, S_IREAD | S_IWRITE);
145 struct yaffs_stat tmpstat, oldstat, tmpfstat;
147 yaffs_fstat(outh,&tmpfstat);
148 printf("\n\n\n*** Writing file %s inode %d\n",fullTempCounterName,tmpfstat.st_ino);
149 nwritten = yaffs_write(outh,x,sizeof(x));
154 printf("About to rename %s to %s\n",fullTempCounterName,name);
155 yaffs_stat(fullTempCounterName,&tmpstat);
156 yaffs_stat(name,&oldstat);
157 print_stat("old stat",&oldstat);
158 print_stat("new stat",&tmpstat);
159 print_stat("new fstat",&tmpfstat);
160 yaffs_rename(fullTempCounterName,name);
164 if(nwritten != sizeof(x)){
165 printf("Error writing counter %s handle %d, x[0] %u x[1] %u\n",
166 name, inh, x[0], x[1]);
167 FatalError(__LINE__);
173 "## Set counter %s to %u\n"
178 static void dump_directory_tree_worker(const char *dname,int recursive)
187 d = yaffs_opendir(dname);
191 printf("opendir failed\n");
196 while((de = yaffs_readdir(d)) != NULL)
200 strcat(str,de->d_name);
205 printf("%s inode %ld %d obj %x length %d mode %X ",str, de->d_ino, s.st_ino,de->d_dont_use,(int)s.st_size,s.st_mode);\
206 if(de->d_ino != s.st_ino){
207 printf(" \n\n!!!! HEY inode mismatch\n\n");
208 error_line = __LINE__;
211 switch(s.st_mode & S_IFMT)
213 case S_IFREG: printf("data file"); break;
214 case S_IFDIR: printf("directory"); break;
215 case S_IFLNK: printf("symlink -->");
216 if(yaffs_readlink(str,str,100) < 0)
219 printf("\"%s\"",str);
221 default: printf("unknown"); break;
226 if((s.st_mode & S_IFMT) == S_IFDIR && recursive)
227 dump_directory_tree_worker(str,1);
230 error_line = __LINE__;
234 if(strstr(dname,"lost+found") && nentries >0){
235 printf("\n\n!!! HEY lost+found not empty, had %d entries\n\n\n",nentries);
236 error_line = __LINE__;
239 if(error_line && !no_verification)
240 FatalError(error_line);
247 static void dump_directory_tree(const char *dname)
249 dump_directory_tree_worker(dname,1);
251 printf("Free space in %s is %d\n\n",dname,(int)yaffs_freespace(dname));
259 static unsigned xx[XX_SIZE];
261 static int yWriteFile(const char *fname, unsigned sz32)
266 struct yaffs_stat st;
267 unsigned checksum = 0;
271 h = yaffs_open(fname,O_RDWR | O_CREAT | O_TRUNC, S_IREAD | S_IWRITE);
273 printf("\n\n\n**** Open writing file %s inode %d\n",fname, st.st_ino);
278 printf("could not open file %s\n",fname);
285 if((r = yaffs_write(h,xx,sizeof(unsigned))) != sizeof(unsigned)){
290 for(i = 0; i < XX_SIZE; i++){
296 if((r = yaffs_write(h,xx,sizeof(xx))) != sizeof(xx)){
304 if((r = yaffs_write(h,xx,sizeof(unsigned))) != sizeof(unsigned)){
310 printf("File closed\n");
314 printf("ywrite error at position %d\n",(int)yaffs_lseek(h,0,SEEK_END));
320 static int yVerifyFile(const char *fName)
322 unsigned checksum = 0;
325 unsigned recordedSize = 0;
334 printf("Verifying file %s\n",fName);
336 h = yaffs_open(fName, O_RDONLY,S_IREAD | S_IWRITE);
339 printf("could not open file %s\n",fName);
343 totalSize = yaffs_lseek(h,0,SEEK_END);
344 yaffs_lseek(h,0,SEEK_SET);
346 r = yaffs_read(h,&sz32,sizeof(sz32));
348 if(r != sizeof(sz32)){
349 printf("reading size failed ... returned %d\n",r);
354 recordedSize = sz32 * sizeof(xx) + 8;
356 printf("verify %s: file size is %d, recorded size is %d\n", fName, totalSize, recordedSize);
357 if(totalSize != recordedSize){
358 printf("!!!!!!!!!!!!!!!!!!!!!!!!file size is wrong, should be %d, is %d\n", recordedSize,totalSize);
367 r = yaffs_read(h,xx,sizeof(xx));
369 printf("!!!!!!!!!!!!!!!!!!!!!!!!!!reading data failed ... returned %d\n",r);
373 for(i = 0; i < XX_SIZE; i++)
377 r = yaffs_read(h,xx,sizeof(xx[0]));
378 if(r != sizeof(xx[0])){
379 printf("!!!!!!!!!!!!!!!!!!!!!!!!!!reading data failed ... returned %d\n",r);
387 printf("!!!!!!!!!!!!!!!!!!!!! checksum failed\n");
390 printf("verified ok\n");
397 static void DoUpdateMainFile(void)
401 sz32 = (myrand() % 1000) + 20;
403 result = yWriteFile(fullTempMainName,sz32);
405 if(!no_verification && result)
406 FatalError(__LINE__);
407 printf("Raname file %s to %s\n",fullTempMainName,fullMainName);
408 yaffs_rename(fullTempMainName,fullMainName);
412 static void DoVerifyMainFile(void)
417 result = yVerifyFile(fullMainName);
419 FatalError(__LINE__);
424 void NorStressTestInitialise(const char *prefix)
426 MakeFullNames(prefix);
428 UpdateCounter(fullPowerUpName,&powerUps,1);
429 UpdateCounter(fullStartName,&cycleStarts,1);
430 UpdateCounter(fullEndName,&cycleEnds,1);
431 UpdateCounter(fullPowerUpName,&powerUps,1);
437 void NorStressTestRun(const char *prefix, int n_cycles, int do_fsx, int skip_verification)
440 interleave_fsx = do_fsx;
441 no_verification = skip_verification;
443 MakeFullNames(prefix);
444 dump_directory_tree(fullPathName);
447 dump_directory_tree(fullPathName);
449 UpdateCounter(fullPowerUpName,&powerUps,0);
450 dump_directory_tree(fullPathName);
452 while(n_cycles < 0 || n_cycles > 0){
455 UpdateCounter(fullStartName, &cycleStarts,0);
456 dump_directory_tree(fullPathName);
459 dump_directory_tree(fullPathName);
461 UpdateCounter(fullEndName,&cycleEnds,0);
462 dump_directory_tree(fullPathName);