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11 #include <linux/mtd/blktrans.h>
12 #include <linux/kfifo.h>
13 #include <linux/sched.h>
14 #include <linux/completion.h>
15 #include <linux/mtd/mtd.h>
16
17
18
19 struct ftl_zone {
20 bool initialized;
21 int16_t *lba_to_phys_table;
22 struct kfifo free_sectors;
23 };
24
25 struct sm_ftl {
26 struct mtd_blktrans_dev *trans;
27
28 struct mutex mutex;
29 struct ftl_zone *zones;
30
31
32 int block_size;
33 int zone_size;
34 int zone_count;
35 int max_lba;
36 int smallpagenand;
37 bool readonly;
38 bool unstable;
39 int cis_block;
40 int cis_boffset;
41 int cis_page_offset;
42 void *cis_buffer;
43
44
45 int cache_block;
46 int cache_zone;
47 unsigned char *cache_data;
48 long unsigned int cache_data_invalid_bitmap;
49 bool cache_clean;
50 struct work_struct flush_work;
51 struct timer_list timer;
52
53
54 int heads;
55 int sectors;
56 int cylinders;
57
58 struct attribute_group *disk_attributes;
59 };
60
61 struct chs_entry {
62 unsigned long size;
63 unsigned short cyl;
64 unsigned char head;
65 unsigned char sec;
66 };
67
68
69 #define SM_FTL_PARTN_BITS 3
70
71 #define sm_printk(format, ...) \
72 printk(KERN_WARNING "sm_ftl" ": " format "\n", ## __VA_ARGS__)
73
74 #define dbg(format, ...) \
75 if (debug) \
76 printk(KERN_DEBUG "sm_ftl" ": " format "\n", ## __VA_ARGS__)
77
78 #define dbg_verbose(format, ...) \
79 if (debug > 1) \
80 printk(KERN_DEBUG "sm_ftl" ": " format "\n", ## __VA_ARGS__)
81
82
83 static int sm_erase_block(struct sm_ftl *ftl, int zone_num, uint16_t block,
84 int put_free);
85 static void sm_mark_block_bad(struct sm_ftl *ftl, int zone_num, int block);
86
87 static int sm_recheck_media(struct sm_ftl *ftl);