diff options
Diffstat (limited to 'drivers/lightnvm/core.c')
-rw-r--r-- | drivers/lightnvm/core.c | 97 |
1 files changed, 45 insertions, 52 deletions
diff --git a/drivers/lightnvm/core.c b/drivers/lightnvm/core.c index d4433d3b4855..493ce034e687 100644 --- a/drivers/lightnvm/core.c +++ b/drivers/lightnvm/core.c @@ -176,20 +176,6 @@ static struct nvm_dev *nvm_find_nvm_dev(const char *name) return NULL; } -struct nvm_block *nvm_get_blk(struct nvm_dev *dev, struct nvm_lun *lun, - unsigned long flags) -{ - return dev->mt->get_blk(dev, lun, flags); -} -EXPORT_SYMBOL(nvm_get_blk); - -/* Assumes that all valid pages have already been moved on release to bm */ -void nvm_put_blk(struct nvm_dev *dev, struct nvm_block *blk) -{ - return dev->mt->put_blk(dev, blk); -} -EXPORT_SYMBOL(nvm_put_blk); - void nvm_mark_blk(struct nvm_dev *dev, struct ppa_addr ppa, int type) { return dev->mt->mark_blk(dev, ppa, type); @@ -266,10 +252,11 @@ EXPORT_SYMBOL(nvm_generic_to_addr_mode); int nvm_set_rqd_ppalist(struct nvm_dev *dev, struct nvm_rq *rqd, const struct ppa_addr *ppas, int nr_ppas, int vblk) { + struct nvm_geo *geo = &dev->geo; int i, plane_cnt, pl_idx; struct ppa_addr ppa; - if ((!vblk || dev->plane_mode == NVM_PLANE_SINGLE) && nr_ppas == 1) { + if ((!vblk || geo->plane_mode == NVM_PLANE_SINGLE) && nr_ppas == 1) { rqd->nr_ppas = nr_ppas; rqd->ppa_addr = ppas[0]; @@ -287,7 +274,7 @@ int nvm_set_rqd_ppalist(struct nvm_dev *dev, struct nvm_rq *rqd, for (i = 0; i < nr_ppas; i++) rqd->ppa_list[i] = ppas[i]; } else { - plane_cnt = dev->plane_mode; + plane_cnt = geo->plane_mode; rqd->nr_ppas *= plane_cnt; for (i = 0; i < nr_ppas; i++) { @@ -465,17 +452,18 @@ EXPORT_SYMBOL(nvm_submit_ppa); */ int nvm_bb_tbl_fold(struct nvm_dev *dev, u8 *blks, int nr_blks) { + struct nvm_geo *geo = &dev->geo; int blk, offset, pl, blktype; - if (nr_blks != dev->blks_per_lun * dev->plane_mode) + if (nr_blks != geo->blks_per_lun * geo->plane_mode) return -EINVAL; - for (blk = 0; blk < dev->blks_per_lun; blk++) { - offset = blk * dev->plane_mode; + for (blk = 0; blk < geo->blks_per_lun; blk++) { + offset = blk * geo->plane_mode; blktype = blks[offset]; /* Bad blocks on any planes take precedence over other types */ - for (pl = 0; pl < dev->plane_mode; pl++) { + for (pl = 0; pl < geo->plane_mode; pl++) { if (blks[offset + pl] & (NVM_BLK_T_BAD|NVM_BLK_T_GRWN_BAD)) { blktype = blks[offset + pl]; @@ -486,7 +474,7 @@ int nvm_bb_tbl_fold(struct nvm_dev *dev, u8 *blks, int nr_blks) blks[blk] = blktype; } - return dev->blks_per_lun; + return geo->blks_per_lun; } EXPORT_SYMBOL(nvm_bb_tbl_fold); @@ -500,9 +488,10 @@ EXPORT_SYMBOL(nvm_get_bb_tbl); static int nvm_init_slc_tbl(struct nvm_dev *dev, struct nvm_id_group *grp) { + struct nvm_geo *geo = &dev->geo; int i; - dev->lps_per_blk = dev->pgs_per_blk; + dev->lps_per_blk = geo->pgs_per_blk; dev->lptbl = kcalloc(dev->lps_per_blk, sizeof(int), GFP_KERNEL); if (!dev->lptbl) return -ENOMEM; @@ -548,29 +537,32 @@ static int nvm_core_init(struct nvm_dev *dev) { struct nvm_id *id = &dev->identity; struct nvm_id_group *grp = &id->groups[0]; + struct nvm_geo *geo = &dev->geo; int ret; - /* device values */ - dev->nr_chnls = grp->num_ch; - dev->luns_per_chnl = grp->num_lun; - dev->pgs_per_blk = grp->num_pg; - dev->blks_per_lun = grp->num_blk; - dev->nr_planes = grp->num_pln; - dev->fpg_size = grp->fpg_sz; - dev->pfpg_size = grp->fpg_sz * grp->num_pln; - dev->sec_size = grp->csecs; - dev->oob_size = grp->sos; - dev->sec_per_pg = grp->fpg_sz / grp->csecs; - dev->mccap = grp->mccap; - memcpy(&dev->ppaf, &id->ppaf, sizeof(struct nvm_addr_format)); - - dev->plane_mode = NVM_PLANE_SINGLE; - dev->max_rq_size = dev->ops->max_phys_sect * dev->sec_size; + /* Whole device values */ + geo->nr_chnls = grp->num_ch; + geo->luns_per_chnl = grp->num_lun; + + /* Generic device values */ + geo->pgs_per_blk = grp->num_pg; + geo->blks_per_lun = grp->num_blk; + geo->nr_planes = grp->num_pln; + geo->fpg_size = grp->fpg_sz; + geo->pfpg_size = grp->fpg_sz * grp->num_pln; + geo->sec_size = grp->csecs; + geo->oob_size = grp->sos; + geo->sec_per_pg = grp->fpg_sz / grp->csecs; + geo->mccap = grp->mccap; + memcpy(&geo->ppaf, &id->ppaf, sizeof(struct nvm_addr_format)); + + geo->plane_mode = NVM_PLANE_SINGLE; + geo->max_rq_size = dev->ops->max_phys_sect * geo->sec_size; if (grp->mpos & 0x020202) - dev->plane_mode = NVM_PLANE_DOUBLE; + geo->plane_mode = NVM_PLANE_DOUBLE; if (grp->mpos & 0x040404) - dev->plane_mode = NVM_PLANE_QUAD; + geo->plane_mode = NVM_PLANE_QUAD; if (grp->mtype != 0) { pr_err("nvm: memory type not supported\n"); @@ -578,13 +570,13 @@ static int nvm_core_init(struct nvm_dev *dev) } /* calculated values */ - dev->sec_per_pl = dev->sec_per_pg * dev->nr_planes; - dev->sec_per_blk = dev->sec_per_pl * dev->pgs_per_blk; - dev->sec_per_lun = dev->sec_per_blk * dev->blks_per_lun; - dev->nr_luns = dev->luns_per_chnl * dev->nr_chnls; + geo->sec_per_pl = geo->sec_per_pg * geo->nr_planes; + geo->sec_per_blk = geo->sec_per_pl * geo->pgs_per_blk; + geo->sec_per_lun = geo->sec_per_blk * geo->blks_per_lun; + geo->nr_luns = geo->luns_per_chnl * geo->nr_chnls; - dev->total_secs = dev->nr_luns * dev->sec_per_lun; - dev->lun_map = kcalloc(BITS_TO_LONGS(dev->nr_luns), + dev->total_secs = geo->nr_luns * geo->sec_per_lun; + dev->lun_map = kcalloc(BITS_TO_LONGS(geo->nr_luns), sizeof(unsigned long), GFP_KERNEL); if (!dev->lun_map) return -ENOMEM; @@ -611,7 +603,7 @@ static int nvm_core_init(struct nvm_dev *dev) mutex_init(&dev->mlock); spin_lock_init(&dev->lock); - blk_queue_logical_block_size(dev->q, dev->sec_size); + blk_queue_logical_block_size(dev->q, geo->sec_size); return 0; err_fmtype: @@ -645,6 +637,7 @@ void nvm_free(struct nvm_dev *dev) static int nvm_init(struct nvm_dev *dev) { + struct nvm_geo *geo = &dev->geo; int ret = -EINVAL; if (!dev->q || !dev->ops) @@ -676,9 +669,9 @@ static int nvm_init(struct nvm_dev *dev) } pr_info("nvm: registered %s [%u/%u/%u/%u/%u/%u]\n", - dev->name, dev->sec_per_pg, dev->nr_planes, - dev->pgs_per_blk, dev->blks_per_lun, dev->nr_luns, - dev->nr_chnls); + dev->name, geo->sec_per_pg, geo->nr_planes, + geo->pgs_per_blk, geo->blks_per_lun, + geo->nr_luns, geo->nr_chnls); return 0; err: pr_err("nvm: failed to initialize nvm\n"); @@ -771,9 +764,9 @@ static int __nvm_configure_create(struct nvm_ioctl_create *create) } s = &create->conf.s; - if (s->lun_begin > s->lun_end || s->lun_end > dev->nr_luns) { + if (s->lun_begin > s->lun_end || s->lun_end > dev->geo.nr_luns) { pr_err("nvm: lun out of bound (%u:%u > %u)\n", - s->lun_begin, s->lun_end, dev->nr_luns); + s->lun_begin, s->lun_end, dev->geo.nr_luns); return -EINVAL; } |