diff options
Diffstat (limited to 'drivers/mtd/ubi/ubi.h')
| -rw-r--r-- | drivers/mtd/ubi/ubi.h | 55 |
1 files changed, 39 insertions, 16 deletions
diff --git a/drivers/mtd/ubi/ubi.h b/drivers/mtd/ubi/ubi.h index ef22f922f580..457710615261 100644 --- a/drivers/mtd/ubi/ubi.h +++ b/drivers/mtd/ubi/ubi.h @@ -144,7 +144,6 @@ struct ubi_volume_desc; * @readers: number of users holding this volume in read-only mode * @writers: number of users holding this volume in read-write mode * @exclusive: whether somebody holds this volume in exclusive mode - * @checked: if this static volume was checked * * @reserved_pebs: how many physical eraseblocks are reserved for this volume * @vol_type: volume type (%UBI_DYNAMIC_VOLUME or %UBI_STATIC_VOLUME) @@ -152,21 +151,30 @@ struct ubi_volume_desc; * @used_ebs: how many logical eraseblocks in this volume contain data * @last_eb_bytes: how many bytes are stored in the last logical eraseblock * @used_bytes: how many bytes of data this volume contains - * @upd_marker: non-zero if the update marker is set for this volume - * @corrupted: non-zero if the volume is corrupted (static volumes only) * @alignment: volume alignment * @data_pad: how many bytes are not used at the end of physical eraseblocks to * satisfy the requested alignment * @name_len: volume name length * @name: volume name * - * @updating: whether the volume is being updated * @upd_ebs: how many eraseblocks are expected to be updated - * @upd_bytes: how many bytes are expected to be received - * @upd_received: how many update bytes were already received - * @upd_buf: update buffer which is used to collect update data + * @ch_lnum: LEB number which is being changing by the atomic LEB change + * operation + * @ch_dtype: data persistency type which is being changing by the atomic LEB + * change operation + * @upd_bytes: how many bytes are expected to be received for volume update or + * atomic LEB change + * @upd_received: how many bytes were already received for volume update or + * atomic LEB change + * @upd_buf: update buffer which is used to collect update data or data for + * atomic LEB change * * @eba_tbl: EBA table of this volume (LEB->PEB mapping) + * @checked: %1 if this static volume was checked + * @corrupted: %1 if the volume is corrupted (static volumes only) + * @upd_marker: %1 if the update marker is set for this volume + * @updating: %1 if the volume is being updated + * @changing_leb: %1 if the atomic LEB change ioctl command is in progress * * @gluebi_desc: gluebi UBI volume descriptor * @gluebi_refcount: reference count of the gluebi MTD device @@ -189,7 +197,6 @@ struct ubi_volume { int readers; int writers; int exclusive; - int checked; int reserved_pebs; int vol_type; @@ -197,23 +204,31 @@ struct ubi_volume { int used_ebs; int last_eb_bytes; long long used_bytes; - int upd_marker; - int corrupted; int alignment; int data_pad; int name_len; char name[UBI_VOL_NAME_MAX+1]; - int updating; int upd_ebs; + int ch_lnum; + int ch_dtype; long long upd_bytes; long long upd_received; void *upd_buf; int *eba_tbl; + int checked:1; + int corrupted:1; + int upd_marker:1; + int updating:1; + int changing_leb:1; #ifdef CONFIG_MTD_UBI_GLUEBI - /* Gluebi-related stuff may be compiled out */ + /* + * Gluebi-related stuff may be compiled out. + * TODO: this should not be built into UBI but should be a separate + * ubimtd driver which works on top of UBI and emulates MTD devices. + */ struct ubi_volume_desc *gluebi_desc; int gluebi_refcount; struct mtd_info gluebi_mtd; @@ -250,9 +265,11 @@ struct ubi_wl_entry; * @rsvd_pebs: count of reserved physical eraseblocks * @avail_pebs: count of available physical eraseblocks * @beb_rsvd_pebs: how many physical eraseblocks are reserved for bad PEB - * handling + * handling * @beb_rsvd_level: normal level of PEBs reserved for bad PEB handling * + * @autoresize_vol_id: ID of the volume which has to be auto-resized at the end + * of UBI ititializetion * @vtbl_slots: how many slots are available in the volume table * @vtbl_size: size of the volume table in bytes * @vtbl: in-RAM volume table copy @@ -333,12 +350,14 @@ struct ubi_device { int beb_rsvd_pebs; int beb_rsvd_level; + int autoresize_vol_id; int vtbl_slots; int vtbl_size; struct ubi_vtbl_record *vtbl; struct mutex volumes_mutex; int max_ec; + /* TODO: mean_ec is not updated run-time, fix */ int mean_ec; /* EBA unit's stuff */ @@ -399,7 +418,6 @@ struct ubi_device { #endif }; -extern struct kmem_cache *ubi_ltree_slab; extern struct kmem_cache *ubi_wl_entry_slab; extern struct file_operations ubi_ctrl_cdev_operations; extern struct file_operations ubi_cdev_operations; @@ -420,9 +438,14 @@ int ubi_add_volume(struct ubi_device *ubi, struct ubi_volume *vol); void ubi_free_volume(struct ubi_device *ubi, struct ubi_volume *vol); /* upd.c */ -int ubi_start_update(struct ubi_device *ubi, int vol_id, long long bytes); -int ubi_more_update_data(struct ubi_device *ubi, int vol_id, +int ubi_start_update(struct ubi_device *ubi, struct ubi_volume *vol, + long long bytes); +int ubi_more_update_data(struct ubi_device *ubi, struct ubi_volume *vol, const void __user *buf, int count); +int ubi_start_leb_change(struct ubi_device *ubi, struct ubi_volume *vol, + const struct ubi_leb_change_req *req); +int ubi_more_leb_change_data(struct ubi_device *ubi, struct ubi_volume *vol, + const void __user *buf, int count); /* misc.c */ int ubi_calc_data_len(const struct ubi_device *ubi, const void *buf, int length); |