diff options
Diffstat (limited to 'drivers/lightnvm/gennvm.h')
| -rw-r--r-- | drivers/lightnvm/gennvm.h | 34 |
1 files changed, 19 insertions, 15 deletions
diff --git a/drivers/lightnvm/gennvm.h b/drivers/lightnvm/gennvm.h index 8ecfa817d21d..6a4b3f368848 100644 --- a/drivers/lightnvm/gennvm.h +++ b/drivers/lightnvm/gennvm.h @@ -20,37 +20,41 @@ #include <linux/lightnvm.h> -struct gen_lun { - struct nvm_lun vlun; - - int reserved_blocks; - /* lun block lists */ - struct list_head used_list; /* In-use blocks */ - struct list_head free_list; /* Not used blocks i.e. released - * and ready for use - */ - struct list_head bb_list; /* Bad blocks. Mutually exclusive with - * free_list and used_list - */ -}; - struct gen_dev { struct nvm_dev *dev; int nr_luns; - struct gen_lun *luns; struct list_head area_list; struct mutex lock; struct list_head targets; }; +/* Map between virtual and physical channel and lun */ +struct gen_ch_map { + int ch_off; + int nr_luns; + int *lun_offs; +}; + +struct gen_dev_map { + struct gen_ch_map *chnls; + int nr_chnls; +}; + struct gen_area { struct list_head list; sector_t begin; sector_t end; /* end is excluded */ }; +static inline void *ch_map_to_lun_offs(struct gen_ch_map *ch_map) +{ + return ch_map + 1; +} + +typedef int (gen_trans_fn)(struct nvm_tgt_dev *, struct ppa_addr *); + #define gen_for_each_lun(bm, lun, i) \ for ((i) = 0, lun = &(bm)->luns[0]; \ (i) < (bm)->nr_luns; (i)++, lun = &(bm)->luns[(i)]) |