diff options
Diffstat (limited to 'include/linux/lightnvm.h')
| -rw-r--r-- | include/linux/lightnvm.h | 26 |
1 files changed, 22 insertions, 4 deletions
diff --git a/include/linux/lightnvm.h b/include/linux/lightnvm.h index d6750111e48e..cdcb2ccbefa8 100644 --- a/include/linux/lightnvm.h +++ b/include/linux/lightnvm.h @@ -92,9 +92,9 @@ enum { 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, @@ -135,6 +135,10 @@ enum { /* 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 { @@ -238,6 +242,7 @@ struct nvm_rq { uint16_t nr_pages; uint16_t flags; + u64 ppa_status; /* ppa media status */ int error; }; @@ -337,11 +342,12 @@ struct nvm_dev { 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; + unsigned long *lun_map; void *ppalist_pool; struct nvm_id identity; @@ -351,6 +357,7 @@ struct nvm_dev { char name[DISK_NAME_LEN]; struct mutex mlock; + spinlock_t lock; }; static inline struct ppa_addr generic_to_dev_addr(struct nvm_dev *dev, @@ -461,8 +468,13 @@ typedef int (nvmm_submit_io_fn)(struct nvm_dev *, struct nvm_rq *); 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]; @@ -484,9 +496,15 @@ struct nvmm_type { /* 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; }; |