1STRUCT NAND_ECC_CTRL(9)           Structures           STRUCT NAND_ECC_CTRL(9)
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NAME

6       struct_nand_ecc_ctrl - Control structure for ecc
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SYNOPSIS

9       struct nand_ecc_ctrl {
10         nand_ecc_modes_t mode;
11         int steps;
12         int size;
13         int bytes;
14         int total;
15         int prepad;
16         int postpad;
17         struct nand_ecclayout * layout;
18         void (* hwctl) (struct mtd_info *mtd, int mode);
19         int (* calculate) (struct mtd_info *mtd,const uint8_t *dat,uint8_t *ecc_code);
20         int (* correct) (struct mtd_info *mtd, uint8_t *dat,uint8_t *read_ecc,uint8_t *calc_ecc);
21         int (* read_page_raw) (struct mtd_info *mtd,struct nand_chip *chip,uint8_t *buf, int page);
22         void (* write_page_raw) (struct mtd_info *mtd,struct nand_chip *chip,const uint8_t *buf);
23         int (* read_page) (struct mtd_info *mtd,struct nand_chip *chip,uint8_t *buf, int page);
24         int (* read_subpage) (struct mtd_info *mtd,struct nand_chip *chip,uint32_t offs, uint32_t len,uint8_t *buf);
25         void (* write_page) (struct mtd_info *mtd,struct nand_chip *chip,const uint8_t *buf);
26         int (* read_oob) (struct mtd_info *mtd,struct nand_chip *chip,int page,int sndcmd);
27         int (* write_oob) (struct mtd_info *mtd,struct nand_chip *chip,int page);
28       };
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MEMBERS

31       mode
32           ecc mode
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34       steps
35           number of ecc steps per page
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37       size
38           data bytes per ecc step
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40       bytes
41           ecc bytes per step
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43       total
44           total number of ecc bytes per page
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46       prepad
47           padding information for syndrome based ecc generators
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49       postpad
50           padding information for syndrome based ecc generators
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52       layout
53           ECC layout control struct pointer
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55       hwctl
56           function to control hardware ecc generator. Must only be provided
57           if an hardware ECC is available
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59       calculate
60           function for ecc calculation or readback from ecc hardware
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62       correct
63           function for ecc correction, matching to ecc generator (sw/hw)
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65       read_page_raw
66           function to read a raw page without ECC
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68       write_page_raw
69           function to write a raw page without ECC
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71       read_page
72           function to read a page according to the ecc generator requirements
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74       read_subpage
75           function to read parts of the page covered by ECC.
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77       write_page
78           function to write a page according to the ecc generator
79           requirements
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81       read_oob
82           function to read chip OOB data
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84       write_oob
85           function to write chip OOB data
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AUTHOR

88       Thomas Gleixner <tglx@linutronix.de>
89           Author.
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92Kernel Hackers Manual 2.6.       November 2011         STRUCT NAND_ECC_CTRL(9)
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