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"
26 #define FSX_INIT(mount_pt) do{ if(interleave_fsx) yaffs_fsx_init(mount_pt); } while(0)
27 #define FSX_COMPLETE() do { if(interleave_fsx) yaffs_fsx_complete(); } while (0)
31 if((myrand() & 0x1) == 0){\
38 #define FSX_INIT(mount_point) do { } while(0)
39 #define FSX_COMPLETE() do { } while(0)
40 #define FSX() do { } while(0)
44 void (*ext_fatal)(void) = NULL;
46 static unsigned powerUps;
47 static unsigned cycleStarts;
48 static unsigned cycleEnds;
50 static int interleave_fsx;
52 static int no_verification;
54 char fullPathName[100];
55 char fullPowerUpName[100];
56 char fullStartName[100];
57 char fullEndName[100];
58 char fullMainName[100];
59 char fullTempMainName[100];
60 char fullTempCounterName[100];
63 extern int random_seed;
66 random_seed = random_seed * 1103515245 + 12345;
67 return((unsigned)(random_seed/65536) % 32768);
70 void MakeName(char *fullName,const char *prefix, const char *name)
72 strcpy(fullName,prefix);
74 strcat(fullName,name);
78 void MakeFullNames(const char *prefix)
80 MakeName(fullPathName,prefix,"");
81 MakeName(fullPowerUpName,prefix,"powerUps");
82 MakeName(fullStartName,prefix,"starts");
83 MakeName(fullEndName,prefix,"ends");
84 MakeName(fullMainName,prefix,"main");
85 MakeName(fullTempCounterName,prefix,"tmp-counter");
86 MakeName(fullTempMainName,prefix,"tmp-main");
89 static void FatalError(int lineNo)
91 printf("Integrity error %d\n",lineNo);
99 void print_stat(const char *str, struct yaffs_stat *st)
101 printf("%s inode %d\n",str,st->st_ino);
104 static void UpdateCounter(const char *name, unsigned *val, int initialise)
118 inh = yaffs_open(name,O_RDONLY, S_IREAD | S_IWRITE);
120 nread = yaffs_read(inh,x,sizeof(x));
124 if(!no_verification &&
125 (nread != sizeof(x) ||
127 printf("Error reading counter %s handle %d, x[0] %u x[1] %u last error %d\n",
128 name, inh, x[0], x[1],yaffsfs_GetLastError());
129 FatalError(__LINE__);
137 outh = yaffs_open(fullTempCounterName, O_RDWR | O_TRUNC | O_CREAT, S_IREAD | S_IWRITE);
140 struct yaffs_stat tmpstat, oldstat, tmpfstat;
142 yaffs_fstat(outh,&tmpfstat);
143 printf("\n\n\n*** Writing file %s inode %d\n",fullTempCounterName,tmpfstat.st_ino);
144 nwritten = yaffs_write(outh,x,sizeof(x));
149 printf("About to rename %s to %s\n",fullTempCounterName,name);
150 yaffs_stat(fullTempCounterName,&tmpstat);
151 yaffs_stat(name,&oldstat);
152 print_stat("old stat",&oldstat);
153 print_stat("new stat",&tmpstat);
154 print_stat("new fstat",&tmpfstat);
155 yaffs_rename(fullTempCounterName,name);
159 if(nwritten != sizeof(x)){
160 printf("Error writing counter %s handle %d, x[0] %u x[1] %u\n",
161 name, inh, x[0], x[1]);
162 FatalError(__LINE__);
168 "## Set counter %s to %u\n"
173 static void dump_directory_tree_worker(const char *dname,int recursive)
181 d = yaffs_opendir(dname);
185 printf("opendir failed\n");
189 while((de = yaffs_readdir(d)) != NULL)
193 strcat(str,de->d_name);
197 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);\
198 if(de->d_ino != s.st_ino){
199 printf(" \n\n!!!! HEY inode mismatch\n\n");
200 error_line = __LINE__;
203 switch(s.st_mode & S_IFMT)
205 case S_IFREG: printf("data file"); break;
206 case S_IFDIR: printf("directory"); break;
207 case S_IFLNK: printf("symlink -->");
208 if(yaffs_readlink(str,str,100) < 0)
211 printf("\"%s\"",str);
213 default: printf("unknown"); break;
218 if((s.st_mode & S_IFMT) == S_IFDIR && recursive)
219 dump_directory_tree_worker(str,1);
222 error_line = __LINE__;
226 if(error_line && !no_verification)
227 FatalError(error_line);
234 static void dump_directory_tree(const char *dname)
236 dump_directory_tree_worker(dname,1);
238 printf("Free space in %s is %d\n\n",dname,(int)yaffs_freespace(dname));
246 static unsigned xx[XX_SIZE];
248 static int yWriteFile(const char *fname, unsigned sz32)
253 struct yaffs_stat st;
254 unsigned checksum = 0;
258 h = yaffs_open(fname,O_RDWR | O_CREAT | O_TRUNC, S_IREAD | S_IWRITE);
260 printf("\n\n\n**** Open writing file %s inode %d\n",fname, st.st_ino);
265 printf("could not open file %s\n",fname);
272 if((r = yaffs_write(h,xx,sizeof(unsigned))) != sizeof(unsigned)){
277 for(i = 0; i < XX_SIZE; i++){
283 if((r = yaffs_write(h,xx,sizeof(xx))) != sizeof(xx)){
291 if((r = yaffs_write(h,xx,sizeof(unsigned))) != sizeof(unsigned)){
297 printf("File closed\n");
301 printf("ywrite error at position %d\n",(int)yaffs_lseek(h,0,SEEK_END));
307 static int yVerifyFile(const char *fName)
309 unsigned checksum = 0;
312 unsigned recordedSize = 0;
321 printf("Verifying file %s\n",fName);
323 h = yaffs_open(fName, O_RDONLY,S_IREAD | S_IWRITE);
326 printf("could not open file %s\n",fName);
330 totalSize = yaffs_lseek(h,0,SEEK_END);
331 yaffs_lseek(h,0,SEEK_SET);
333 r = yaffs_read(h,&sz32,sizeof(sz32));
335 if(r != sizeof(sz32)){
336 printf("reading size failed ... returned %d\n",r);
341 recordedSize = sz32 * sizeof(xx) + 8;
343 printf("verify %s: file size is %d, recorded size is %d\n", fName, totalSize, recordedSize);
344 if(totalSize != recordedSize){
345 printf("!!!!!!!!!!!!!!!!!!!!!!!!file size is wrong, should be %d, is %d\n", recordedSize,totalSize);
354 r = yaffs_read(h,xx,sizeof(xx));
356 printf("!!!!!!!!!!!!!!!!!!!!!!!!!!reading data failed ... returned %d\n",r);
360 for(i = 0; i < XX_SIZE; i++)
364 r = yaffs_read(h,xx,sizeof(xx[0]));
365 if(r != sizeof(xx[0])){
366 printf("!!!!!!!!!!!!!!!!!!!!!!!!!!reading data failed ... returned %d\n",r);
374 printf("!!!!!!!!!!!!!!!!!!!!! checksum failed\n");
377 printf("verified ok\n");
384 static void DoUpdateMainFile(void)
388 sz32 = (myrand() % 1000) + 20;
390 result = yWriteFile(fullTempMainName,sz32);
392 if(!no_verification && result)
393 FatalError(__LINE__);
394 printf("Raname file %s to %s\n",fullTempMainName,fullMainName);
395 yaffs_rename(fullTempMainName,fullMainName);
399 static void DoVerifyMainFile(void)
404 result = yVerifyFile(fullMainName);
406 FatalError(__LINE__);
411 void NorStressTestInitialise(const char *prefix)
413 MakeFullNames(prefix);
415 UpdateCounter(fullPowerUpName,&powerUps,1);
416 UpdateCounter(fullStartName,&cycleStarts,1);
417 UpdateCounter(fullEndName,&cycleEnds,1);
418 UpdateCounter(fullPowerUpName,&powerUps,1);
424 void NorStressTestRun(const char *prefix, int n_cycles, int do_fsx, int skip_verification)
427 interleave_fsx = do_fsx;
428 no_verification = skip_verification;
430 MakeFullNames(prefix);
431 dump_directory_tree(fullPathName);
434 dump_directory_tree(fullPathName);
436 UpdateCounter(fullPowerUpName,&powerUps,0);
437 dump_directory_tree(fullPathName);
439 while(n_cycles < 0 || n_cycles > 0){
442 UpdateCounter(fullStartName, &cycleStarts,0);
443 dump_directory_tree(fullPathName);
446 dump_directory_tree(fullPathName);
448 UpdateCounter(fullEndName,&cycleEnds,0);
449 dump_directory_tree(fullPathName);