diff options
Diffstat (limited to 'include')
| -rw-r--r-- | include/linux/lightnvm.h | 24 |
1 files changed, 24 insertions, 0 deletions
diff --git a/include/linux/lightnvm.h b/include/linux/lightnvm.h index f3b273e543c3..da45efa09bb2 100644 --- a/include/linux/lightnvm.h +++ b/include/linux/lightnvm.h @@ -81,10 +81,13 @@ struct nvm_rq; struct nvm_id; struct nvm_dev; struct nvm_tgt_dev; +struct nvm_chk_meta; typedef int (nvm_id_fn)(struct nvm_dev *); 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_get_chk_meta_fn)(struct nvm_dev *, struct nvm_chk_meta *, + sector_t, int); typedef int (nvm_submit_io_fn)(struct nvm_dev *, struct nvm_rq *); typedef int (nvm_submit_io_sync_fn)(struct nvm_dev *, struct nvm_rq *); typedef void *(nvm_create_dma_pool_fn)(struct nvm_dev *, char *); @@ -98,6 +101,8 @@ struct nvm_dev_ops { nvm_op_bb_tbl_fn *get_bb_tbl; nvm_op_set_bb_fn *set_bb_tbl; + nvm_get_chk_meta_fn *get_chk_meta; + nvm_submit_io_fn *submit_io; nvm_submit_io_sync_fn *submit_io_sync; @@ -227,6 +232,20 @@ struct nvm_addrf { u64 rsv_mask[2]; }; +/* + * Note: The structure size is linked to nvme_nvm_chk_meta such that the same + * buffer can be used when converting from little endian to cpu addressing. + */ +struct nvm_chk_meta { + u8 state; + u8 type; + u8 wi; + u8 rsvd[5]; + u64 slba; + u64 cnlb; + u64 wp; +}; + struct nvm_target { struct list_head list; struct nvm_tgt_dev *dev; @@ -492,6 +511,11 @@ extern struct nvm_dev *nvm_alloc_dev(int); extern int nvm_register(struct nvm_dev *); extern void nvm_unregister(struct nvm_dev *); + +extern int nvm_get_chunk_meta(struct nvm_tgt_dev *tgt_dev, + struct nvm_chk_meta *meta, struct ppa_addr ppa, + int nchks); + extern int nvm_set_tgt_bb_tbl(struct nvm_tgt_dev *, struct ppa_addr *, int, int); extern int nvm_submit_io(struct nvm_tgt_dev *, struct nvm_rq *); |