58 	struct mtd_info		*mtd;  member
94 static void alloc_bbt(struct mtd_info *mtd, unsigned int *bbt)  in alloc_bbt()  argument
97 	apanic_erase_blocks = (mtd->size)>>(mtd->erasesize_shift);  in alloc_bbt()
104 static void scan_bbt(struct mtd_info *mtd, unsigned int *bbt)  in scan_bbt()  argument
109 		if (mtd->block_isbad(mtd, i*mtd->erasesize))  in scan_bbt()
116 static unsigned int phy_offset(struct mtd_info *mtd, unsigned int offset)  in phy_offset()  argument
118 	unsigned int logic_block = offset>>(mtd->erasesize_shift);  in phy_offset()
132 	return offset + ((phy_block-logic_block)<<mtd->erasesize_shift);  in phy_offset()
178 	if (count > ctx->mtd->writesize)  in apanic_proc_read()
179 		count = ctx->mtd->writesize;  in apanic_proc_read()
181 	page_no = (file_offset + offset) / ctx->mtd->writesize;  in apanic_proc_read()
182 	page_offset = (file_offset + offset) % ctx->mtd->writesize;  in apanic_proc_read()
185 	if (phy_offset(ctx->mtd, (page_no * ctx->mtd->writesize))  in apanic_proc_read()
191 	rc = ctx->mtd->read(ctx->mtd,  in apanic_proc_read()
192 		phy_offset(ctx->mtd, (page_no * ctx->mtd->writesize)),  in apanic_proc_read()
193 		ctx->mtd->writesize,  in apanic_proc_read()
218 	erase.mtd = ctx->mtd;  in mtd_panic_erase()
220 	erase.len = ctx->mtd->erasesize;  in mtd_panic_erase()
222 	for (i = 0; i < ctx->mtd->size; i += ctx->mtd->erasesize) {  in mtd_panic_erase()
227 		if (get_bb(erase.addr>>ctx->mtd->erasesize_shift, apanic_bbt)) {  in mtd_panic_erase()
236 		rc = ctx->mtd->erase(ctx->mtd, &erase);  in mtd_panic_erase()
245 				if (ctx->mtd->block_markbad(ctx->mtd,  in mtd_panic_erase()
254 				set_bb(erase.addr>>ctx->mtd->erasesize_shift,  in mtd_panic_erase()
294 static void mtd_panic_notify_add(struct mtd_info *mtd)  in mtd_panic_notify_add()  argument
302 	if (strcmp(mtd->name, CONFIG_APANIC_PLABEL))  in mtd_panic_notify_add()
305 	ctx->mtd = mtd;  in mtd_panic_notify_add()
307 	alloc_bbt(mtd, apanic_bbt);  in mtd_panic_notify_add()
308 	scan_bbt(mtd, apanic_bbt);  in mtd_panic_notify_add()
315 	rc = mtd->read(mtd, phy_offset(mtd, 0), mtd->writesize,  in mtd_panic_notify_add()
325 	if (len != mtd->writesize) {  in mtd_panic_notify_add()
330 	printk(KERN_INFO "apanic: Bound to mtd partition '%s'\n", mtd->name);  in mtd_panic_notify_add()
386 	ctx->mtd = NULL;  in mtd_panic_notify_add()
389 static void mtd_panic_notify_remove(struct mtd_info *mtd)  in mtd_panic_notify_remove()  argument
392 	if (mtd == ctx->mtd) {  in mtd_panic_notify_remove()
393 		ctx->mtd = NULL;  in mtd_panic_notify_remove()
394 		printk(KERN_INFO "apanic: Unbound from %s\n", mtd->name);  in mtd_panic_notify_remove()
405 static int apanic_writeflashpage(struct mtd_info *mtd, loff_t to,  in apanic_writeflashpage()  argument
412 	if (panic && !mtd->panic_write) {  in apanic_writeflashpage()
415 	} else if (!panic && !mtd->write) {  in apanic_writeflashpage()
420 	to = phy_offset(mtd, to);  in apanic_writeflashpage()
427 		rc = mtd->panic_write(mtd, to, mtd->writesize, &wlen, buf);  in apanic_writeflashpage()
429 		rc = mtd->write(mtd, to, mtd->writesize, &wlen, buf);  in apanic_writeflashpage()
448 static int apanic_write_console(struct mtd_info *mtd, unsigned int off)  in apanic_write_console()  argument
459 		rc = log_buf_copy(ctx->bounce, idx, mtd->writesize);  in apanic_write_console()
463 		if (rc != mtd->writesize)  in apanic_write_console()
469 		if (rc != mtd->writesize)  in apanic_write_console()
470 			memset(ctx->bounce + rc, 0, mtd->writesize - rc);  in apanic_write_console()
472 		rc2 = apanic_writeflashpage(mtd, off, ctx->bounce);  in apanic_write_console()
507 	if (!ctx->mtd)  in apanic()
514 	console_offset = ctx->mtd->writesize;  in apanic()
519 	console_len = apanic_write_console(ctx->mtd, console_offset);  in apanic()
530 			       ctx->mtd->writesize);  in apanic()
532 		threads_offset = ctx->mtd->writesize;  in apanic()
538 	threads_len = apanic_write_console(ctx->mtd, threads_offset);  in apanic()
558 	rc = apanic_writeflashpage(ctx->mtd, 0, ctx->bounce);  in apanic()