blob: 25aa6d15647f5fa579c23769d7b9bf6f4941ce38 [file] [log] [blame]
Charles Manning753ac612012-05-09 16:55:17 +00001/*
2 * YAFFS: Yet Another Flash File System. A NAND-flash specific file system.
3 *
4 * Copyright (C) 2002-2007 Aleph One Ltd.
5 * for Toby Churchill Ltd and Brightstar Engineering
6 *
7 * Created by Charles Manning <charles@aleph1.co.uk>
8 *
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.
12 */
13
14/*
15 * yaffscfg.c The configuration for the "direct" use of yaffs.
16 *
17 * This is set up for u-boot.
18 *
19 * This version now uses the ydevconfig mechanism to set up partitions.
20 */
21
22#include <common.h>
Tom Rini6b44adc2013-12-05 14:48:39 -050023#include <div64.h>
Charles Manning753ac612012-05-09 16:55:17 +000024
25#include <config.h>
26#include "nand.h"
27#include "yaffscfg.h"
28#include "yaffsfs.h"
29#include "yaffs_packedtags2.h"
30#include "yaffs_mtdif.h"
31#include "yaffs_mtdif2.h"
32#if 0
33#include <errno.h>
34#else
35#include "malloc.h"
36#endif
37
38unsigned yaffs_trace_mask = 0x0; /* Disable logging */
39static int yaffs_errno;
40
41
42void yaffs_bug_fn(const char *fn, int n)
43{
44 printf("yaffs bug at %s:%d\n", fn, n);
45}
46
47void *yaffsfs_malloc(size_t x)
48{
49 return malloc(x);
50}
51
52void yaffsfs_free(void *x)
53{
54 free(x);
55}
56
57void yaffsfs_SetError(int err)
58{
59 yaffs_errno = err;
60}
61
62int yaffsfs_GetLastError(void)
63{
64 return yaffs_errno;
65}
66
67
68int yaffsfs_GetError(void)
69{
70 return yaffs_errno;
71}
72
73void yaffsfs_Lock(void)
74{
75}
76
77void yaffsfs_Unlock(void)
78{
79}
80
81__u32 yaffsfs_CurrentTime(void)
82{
83 return 0;
84}
85
86void *yaffs_malloc(size_t size)
87{
88 return malloc(size);
89}
90
91void yaffs_free(void *ptr)
92{
93 free(ptr);
94}
95
96void yaffsfs_LocalInitialisation(void)
97{
98 /* No locking used */
99}
100
101
102static const char *yaffs_file_type_str(struct yaffs_stat *stat)
103{
104 switch (stat->st_mode & S_IFMT) {
105 case S_IFREG: return "regular file";
106 case S_IFDIR: return "directory";
107 case S_IFLNK: return "symlink";
108 default: return "unknown";
109 }
110}
111
112static const char *yaffs_error_str(void)
113{
114 int error = yaffsfs_GetLastError();
115
116 if (error < 0)
117 error = -error;
118
119 switch (error) {
120 case EBUSY: return "Busy";
121 case ENODEV: return "No such device";
122 case EINVAL: return "Invalid parameter";
123 case ENFILE: return "Too many open files";
124 case EBADF: return "Bad handle";
125 case EACCES: return "Wrong permissions";
126 case EXDEV: return "Not on same device";
127 case ENOENT: return "No such entry";
128 case ENOSPC: return "Device full";
129 case EROFS: return "Read only file system";
130 case ERANGE: return "Range error";
131 case ENOTEMPTY: return "Not empty";
132 case ENAMETOOLONG: return "Name too long";
133 case ENOMEM: return "Out of memory";
134 case EFAULT: return "Fault";
135 case EEXIST: return "Name exists";
136 case ENOTDIR: return "Not a directory";
137 case EISDIR: return "Not permitted on a directory";
138 case ELOOP: return "Symlink loop";
139 case 0: return "No error";
140 default: return "Unknown error";
141 }
142}
143
Charles Manning753ac612012-05-09 16:55:17 +0000144void cmd_yaffs_tracemask(unsigned set, unsigned mask)
145{
146 if (set)
147 yaffs_trace_mask = mask;
148
149 printf("yaffs trace mask: %08x\n", yaffs_trace_mask);
150}
151
152static int yaffs_regions_overlap(int a, int b, int x, int y)
153{
154 return (a <= x && x <= b) ||
155 (a <= y && y <= b) ||
156 (x <= a && a <= y) ||
157 (x <= b && b <= y);
158}
159
160void cmd_yaffs_devconfig(char *_mp, int flash_dev,
161 int start_block, int end_block)
162{
163 struct mtd_info *mtd = NULL;
164 struct yaffs_dev *dev = NULL;
165 struct yaffs_dev *chk;
166 char *mp = NULL;
167 struct nand_chip *chip;
168
169 dev = calloc(1, sizeof(*dev));
170 mp = strdup(_mp);
171
Scott Woodb616d9b2016-05-30 13:57:55 -0500172 mtd = nand_info[flash_dev];
Charles Manning753ac612012-05-09 16:55:17 +0000173
174 if (!dev || !mp) {
175 /* Alloc error */
176 printf("Failed to allocate memory\n");
177 goto err;
178 }
179
180 if (flash_dev >= CONFIG_SYS_MAX_NAND_DEVICE) {
181 printf("Flash device invalid\n");
182 goto err;
183 }
184
185 if (end_block == 0)
Tom Rini6b44adc2013-12-05 14:48:39 -0500186 end_block = lldiv(mtd->size, mtd->erasesize - 1);
Charles Manning753ac612012-05-09 16:55:17 +0000187
188 if (end_block < start_block) {
189 printf("Bad start/end\n");
190 goto err;
191 }
192
Scott Wood17cb4b82016-05-30 13:57:56 -0500193 chip = mtd_to_nand(mtd);
Charles Manning753ac612012-05-09 16:55:17 +0000194
195 /* Check for any conflicts */
196 yaffs_dev_rewind();
197 while (1) {
198 chk = yaffs_next_dev();
199 if (!chk)
200 break;
201 if (strcmp(chk->param.name, mp) == 0) {
202 printf("Mount point name already used\n");
203 goto err;
204 }
205 if (chk->driver_context == mtd &&
206 yaffs_regions_overlap(
207 chk->param.start_block, chk->param.end_block,
208 start_block, end_block)) {
209 printf("Region overlaps with partition %s\n",
210 chk->param.name);
211 goto err;
212 }
213
214 }
215
216 /* Seems sane, so configure */
217 memset(dev, 0, sizeof(*dev));
218 dev->param.name = mp;
219 dev->driver_context = mtd;
220 dev->param.start_block = start_block;
221 dev->param.end_block = end_block;
222 dev->param.chunks_per_block = mtd->erasesize / mtd->writesize;
223 dev->param.total_bytes_per_chunk = mtd->writesize;
224 dev->param.is_yaffs2 = 1;
225 dev->param.use_nand_ecc = 1;
226 dev->param.n_reserved_blocks = 5;
227 if (chip->ecc.layout->oobavail < sizeof(struct yaffs_packed_tags2))
228 dev->param.inband_tags = 1;
229 dev->param.n_caches = 10;
230 dev->param.write_chunk_tags_fn = nandmtd2_write_chunk_tags;
231 dev->param.read_chunk_tags_fn = nandmtd2_read_chunk_tags;
232 dev->param.erase_fn = nandmtd_EraseBlockInNAND;
233 dev->param.initialise_flash_fn = nandmtd_InitialiseNAND;
234 dev->param.bad_block_fn = nandmtd2_MarkNANDBlockBad;
235 dev->param.query_block_fn = nandmtd2_QueryNANDBlock;
236
237 yaffs_add_device(dev);
238
239 printf("Configures yaffs mount %s: dev %d start block %d, end block %d %s\n",
240 mp, flash_dev, start_block, end_block,
241 dev->param.inband_tags ? "using inband tags" : "");
242 return;
243
244err:
245 free(dev);
246 free(mp);
247}
248
249void cmd_yaffs_dev_ls(void)
250{
251 struct yaffs_dev *dev;
252 int flash_dev;
253 int free_space;
254
255 yaffs_dev_rewind();
256
257 while (1) {
258 dev = yaffs_next_dev();
259 if (!dev)
260 return;
Scott Woodb616d9b2016-05-30 13:57:55 -0500261 flash_dev = nand_mtd_to_devnum(dev->driver_context);
Charles Manning753ac612012-05-09 16:55:17 +0000262 printf("%-10s %5d 0x%05x 0x%05x %s",
263 dev->param.name, flash_dev,
264 dev->param.start_block, dev->param.end_block,
265 dev->param.inband_tags ? "using inband tags, " : "");
266
267 free_space = yaffs_freespace(dev->param.name);
268 if (free_space < 0)
269 printf("not mounted\n");
270 else
271 printf("free 0x%x\n", free_space);
272
273 }
274}
275
276void make_a_file(char *yaffsName, char bval, int sizeOfFile)
277{
278 int outh;
279 int i;
280 unsigned char buffer[100];
281
282 outh = yaffs_open(yaffsName,
283 O_CREAT | O_RDWR | O_TRUNC,
284 S_IREAD | S_IWRITE);
285 if (outh < 0) {
286 printf("Error opening file: %d. %s\n", outh, yaffs_error_str());
287 return;
288 }
289
290 memset(buffer, bval, 100);
291
292 do {
293 i = sizeOfFile;
294 if (i > 100)
295 i = 100;
296 sizeOfFile -= i;
297
298 yaffs_write(outh, buffer, i);
299
300 } while (sizeOfFile > 0);
301
302
303 yaffs_close(outh);
304}
305
306void read_a_file(char *fn)
307{
308 int h;
309 int i = 0;
310 unsigned char b;
311
312 h = yaffs_open(fn, O_RDWR, 0);
313 if (h < 0) {
314 printf("File not found\n");
315 return;
316 }
317
318 while (yaffs_read(h, &b, 1) > 0) {
319 printf("%02x ", b);
320 i++;
321 if (i > 32) {
322 printf("\n");
323 i = 0;;
324 }
325 }
326 printf("\n");
327 yaffs_close(h);
328}
329
330void cmd_yaffs_mount(char *mp)
331{
332 int retval = yaffs_mount(mp);
333 if (retval < 0)
334 printf("Error mounting %s, return value: %d, %s\n", mp,
335 yaffsfs_GetError(), yaffs_error_str());
336}
337
338
339void cmd_yaffs_umount(char *mp)
340{
341 if (yaffs_unmount(mp) == -1)
342 printf("Error umounting %s, return value: %d, %s\n", mp,
343 yaffsfs_GetError(), yaffs_error_str());
344}
345
346void cmd_yaffs_write_file(char *yaffsName, char bval, int sizeOfFile)
347{
348 make_a_file(yaffsName, bval, sizeOfFile);
349}
350
351
352void cmd_yaffs_read_file(char *fn)
353{
354 read_a_file(fn);
355}
356
357
358void cmd_yaffs_mread_file(char *fn, char *addr)
359{
360 int h;
361 struct yaffs_stat s;
362
363 yaffs_stat(fn, &s);
364
365 printf("Copy %s to 0x%p... ", fn, addr);
366 h = yaffs_open(fn, O_RDWR, 0);
367 if (h < 0) {
368 printf("File not found\n");
369 return;
370 }
371
372 yaffs_read(h, addr, (int)s.st_size);
373 printf("\t[DONE]\n");
374
375 yaffs_close(h);
376}
377
378
379void cmd_yaffs_mwrite_file(char *fn, char *addr, int size)
380{
381 int outh;
382
383 outh = yaffs_open(fn, O_CREAT | O_RDWR | O_TRUNC, S_IREAD | S_IWRITE);
384 if (outh < 0)
385 printf("Error opening file: %d, %s\n", outh, yaffs_error_str());
386
387 yaffs_write(outh, addr, size);
388
389 yaffs_close(outh);
390}
391
392
393void cmd_yaffs_ls(const char *mountpt, int longlist)
394{
395 int i;
396 yaffs_DIR *d;
397 struct yaffs_dirent *de;
398 struct yaffs_stat stat;
399 char tempstr[255];
400
401 d = yaffs_opendir(mountpt);
402
403 if (!d) {
404 printf("opendir failed, %s\n", yaffs_error_str());
405 return;
406 }
407
408 for (i = 0; (de = yaffs_readdir(d)) != NULL; i++) {
409 if (longlist) {
410 sprintf(tempstr, "%s/%s", mountpt, de->d_name);
411 yaffs_lstat(tempstr, &stat);
412 printf("%-25s\t%7ld",
413 de->d_name,
414 (long)stat.st_size);
415 printf(" %5d %s\n",
416 stat.st_ino,
417 yaffs_file_type_str(&stat));
418 } else {
419 printf("%s\n", de->d_name);
420 }
421 }
422
423 yaffs_closedir(d);
424}
425
426
427void cmd_yaffs_mkdir(const char *dir)
428{
429 int retval = yaffs_mkdir(dir, 0);
430
431 if (retval < 0)
432 printf("yaffs_mkdir returning error: %d, %s\n",
433 retval, yaffs_error_str());
434}
435
436void cmd_yaffs_rmdir(const char *dir)
437{
438 int retval = yaffs_rmdir(dir);
439
440 if (retval < 0)
441 printf("yaffs_rmdir returning error: %d, %s\n",
442 retval, yaffs_error_str());
443}
444
445void cmd_yaffs_rm(const char *path)
446{
447 int retval = yaffs_unlink(path);
448
449 if (retval < 0)
450 printf("yaffs_unlink returning error: %d, %s\n",
451 retval, yaffs_error_str());
452}
453
454void cmd_yaffs_mv(const char *oldPath, const char *newPath)
455{
456 int retval = yaffs_rename(newPath, oldPath);
457
458 if (retval < 0)
459 printf("yaffs_unlink returning error: %d, %s\n",
460 retval, yaffs_error_str());
461}