struct nvm_dev;
typedef int (nvm_l2p_update_fn)(u64, u32, __le64 *, void *);
-typedef int (nvm_bb_update_fn)(struct ppa_addr, int, u8 *, void *);
typedef int (nvm_id_fn)(struct nvm_dev *, struct nvm_id *);
typedef int (nvm_get_l2p_tbl_fn)(struct nvm_dev *, u64, u32,
nvm_l2p_update_fn *, void *);
-typedef int (nvm_op_bb_tbl_fn)(struct nvm_dev *, struct ppa_addr, int,
- nvm_bb_update_fn *, void *);
-typedef int (nvm_op_set_bb_fn)(struct nvm_dev *, struct nvm_rq *, int);
+typedef int (nvm_op_bb_tbl_fn)(struct nvm_dev *, struct ppa_addr, u8 *);
+typedef int (nvm_op_set_bb_fn)(struct nvm_dev *, struct ppa_addr *, int, int);
typedef int (nvm_submit_io_fn)(struct nvm_dev *, struct nvm_rq *);
typedef int (nvm_erase_blk_fn)(struct nvm_dev *, struct nvm_rq *);
typedef void *(nvm_create_dma_pool_fn)(struct nvm_dev *, char *);
NVM_ADDRMODE_CHANNEL = 1,
/* Plane programming mode for LUN */
- NVM_PLANE_SINGLE = 0,
- NVM_PLANE_DOUBLE = 1,
- NVM_PLANE_QUAD = 2,
+ NVM_PLANE_SINGLE = 1,
+ NVM_PLANE_DOUBLE = 2,
+ NVM_PLANE_QUAD = 4,
/* Status codes */
NVM_RSP_SUCCESS = 0x0,
/* Memory types */
NVM_ID_FMTYPE_SLC = 0,
NVM_ID_FMTYPE_MLC = 1,
+
+ /* Device capabilities */
+ NVM_ID_DCAP_BBLKMGMT = 0x1,
+ NVM_UD_DCAP_ECC = 0x2,
};
struct nvm_id_lp_mlc {
struct nvm_target {
struct list_head list;
+ struct nvm_dev *dev;
struct nvm_tgt_type *type;
struct gendisk *disk;
};
struct ppa_addr *ppa_list;
- void *metadata;
- dma_addr_t dma_metadata;
+ void *meta_list;
+ dma_addr_t dma_meta_list;
struct completion *wait;
nvm_end_io_fn *end_io;
uint16_t nr_pages;
uint16_t flags;
+ u64 ppa_status; /* ppa media status */
int error;
};
struct nvm_dev_ops *ops;
struct list_head devices;
- struct list_head online_targets;
/* Media manager */
struct nvmm_type *mt;
int sec_per_pg; /* only sectors for a single page */
int pgs_per_blk;
int blks_per_lun;
+ int fpg_size;
+ int pfpg_size; /* size of buffer if all pages are to be read */
int sec_size;
int oob_size;
int mccap;
int lps_per_blk;
int *lptbl;
- unsigned long total_pages;
unsigned long total_blocks;
+ unsigned long total_secs;
int nr_luns;
unsigned max_pages_per_blk;
- void *ppalist_pool;
+ unsigned long *lun_map;
+ void *dma_pool;
struct nvm_id identity;
char name[DISK_NAME_LEN];
struct mutex mlock;
+ spinlock_t lock;
};
static inline struct ppa_addr generic_to_dev_addr(struct nvm_dev *dev,
struct list_head list;
};
-extern int nvm_register_target(struct nvm_tgt_type *);
-extern void nvm_unregister_target(struct nvm_tgt_type *);
+extern int nvm_register_tgt_type(struct nvm_tgt_type *);
+extern void nvm_unregister_tgt_type(struct nvm_tgt_type *);
extern void *nvm_dev_dma_alloc(struct nvm_dev *, gfp_t, dma_addr_t *);
extern void nvm_dev_dma_free(struct nvm_dev *, void *, dma_addr_t);
typedef int (nvmm_erase_blk_fn)(struct nvm_dev *, struct nvm_block *,
unsigned long);
typedef struct nvm_lun *(nvmm_get_lun_fn)(struct nvm_dev *, int);
+typedef int (nvmm_reserve_lun)(struct nvm_dev *, int);
+typedef void (nvmm_release_lun)(struct nvm_dev *, int);
typedef void (nvmm_lun_info_print_fn)(struct nvm_dev *);
+typedef int (nvmm_get_area_fn)(struct nvm_dev *, sector_t *, sector_t);
+typedef void (nvmm_put_area_fn)(struct nvm_dev *, sector_t);
+
struct nvmm_type {
const char *name;
unsigned int version[3];
/* Configuration management */
nvmm_get_lun_fn *get_lun;
+ nvmm_reserve_lun *reserve_lun;
+ nvmm_release_lun *release_lun;
/* Statistics */
nvmm_lun_info_print_fn *lun_info_print;
+
+ nvmm_get_area_fn *get_area;
+ nvmm_put_area_fn *put_area;
+
struct list_head list;
};
extern void nvm_generic_to_addr_mode(struct nvm_dev *, struct nvm_rq *);
extern void nvm_addr_to_generic_mode(struct nvm_dev *, struct nvm_rq *);
extern int nvm_set_rqd_ppalist(struct nvm_dev *, struct nvm_rq *,
- struct ppa_addr *, int);
+ struct ppa_addr *, int, int);
extern void nvm_free_rqd_ppalist(struct nvm_dev *, struct nvm_rq *);
extern int nvm_erase_ppa(struct nvm_dev *, struct ppa_addr *, int);
extern int nvm_erase_blk(struct nvm_dev *, struct nvm_block *);
extern void nvm_end_io(struct nvm_rq *, int);
extern int nvm_submit_ppa(struct nvm_dev *, struct ppa_addr *, int, int, int,
void *, int);
+extern int nvm_submit_ppa_list(struct nvm_dev *, struct ppa_addr *, int, int,
+ int, void *, int);
+extern int nvm_bb_tbl_fold(struct nvm_dev *, u8 *, int);
+extern int nvm_get_bb_tbl(struct nvm_dev *, struct ppa_addr, u8 *);
/* sysblk.c */
#define NVM_SYSBLK_MAGIC 0x4E564D53 /* "NVMS" */
extern int nvm_init_sysblock(struct nvm_dev *, struct nvm_sb_info *);
extern int nvm_dev_factory(struct nvm_dev *, int flags);
+
+#define nvm_for_each_lun_ppa(dev, ppa, chid, lunid) \
+ for ((chid) = 0, (ppa).ppa = 0; (chid) < (dev)->nr_chnls; \
+ (chid)++, (ppa).g.ch = (chid)) \
+ for ((lunid) = 0; (lunid) < (dev)->luns_per_chnl; \
+ (lunid)++, (ppa).g.lun = (lunid))
+
#else /* CONFIG_NVM */
struct nvm_dev_ops;