From 694715137482b10d5be83b1dadf9a3cdee2ce1bc Mon Sep 17 00:00:00 2001 From: Javier González Date: Fri, 30 Mar 2018 00:05:15 +0200 Subject: lightnvm: add support for 2.0 address format MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit Add support for 2.0 address format. Also, align address bits for 1.2 and 2.0 to be able to operate on channel and luns without requiring a format conversion. Use a generic address format for this purpose. Also, convert the generic operations to the generic format in pblk. Signed-off-by: Javier González Signed-off-by: Matias Bjørling Signed-off-by: Jens Axboe --- drivers/lightnvm/core.c | 20 ++++++++++---------- drivers/lightnvm/pblk-core.c | 10 +++++----- drivers/lightnvm/pblk-map.c | 4 ++-- drivers/lightnvm/pblk-sysfs.c | 4 ++-- drivers/lightnvm/pblk.h | 4 ++-- 5 files changed, 21 insertions(+), 21 deletions(-) (limited to 'drivers/lightnvm') diff --git a/drivers/lightnvm/core.c b/drivers/lightnvm/core.c index 94b3b423840b..63d948cc6dec 100644 --- a/drivers/lightnvm/core.c +++ b/drivers/lightnvm/core.c @@ -194,8 +194,8 @@ static struct nvm_tgt_dev *nvm_create_tgt_dev(struct nvm_dev *dev, for (j = 0; j < luns_in_chnl; j++) { luns[lunid].ppa = 0; - luns[lunid].g.ch = i; - luns[lunid++].g.lun = j; + luns[lunid].a.ch = i; + luns[lunid++].a.lun = j; lun_offs[j] = blun; lun_roffs[j + blun] = blun; @@ -556,22 +556,22 @@ static void nvm_unregister_map(struct nvm_dev *dev) static void nvm_map_to_dev(struct nvm_tgt_dev *tgt_dev, struct ppa_addr *p) { struct nvm_dev_map *dev_map = tgt_dev->map; - struct nvm_ch_map *ch_map = &dev_map->chnls[p->g.ch]; - int lun_off = ch_map->lun_offs[p->g.lun]; + struct nvm_ch_map *ch_map = &dev_map->chnls[p->a.ch]; + int lun_off = ch_map->lun_offs[p->a.lun]; - p->g.ch += ch_map->ch_off; - p->g.lun += lun_off; + p->a.ch += ch_map->ch_off; + p->a.lun += lun_off; } static void nvm_map_to_tgt(struct nvm_tgt_dev *tgt_dev, struct ppa_addr *p) { struct nvm_dev *dev = tgt_dev->parent; struct nvm_dev_map *dev_rmap = dev->rmap; - struct nvm_ch_map *ch_rmap = &dev_rmap->chnls[p->g.ch]; - int lun_roff = ch_rmap->lun_offs[p->g.lun]; + struct nvm_ch_map *ch_rmap = &dev_rmap->chnls[p->a.ch]; + int lun_roff = ch_rmap->lun_offs[p->a.lun]; - p->g.ch -= ch_rmap->ch_off; - p->g.lun -= lun_roff; + p->a.ch -= ch_rmap->ch_off; + p->a.lun -= lun_roff; } static void nvm_ppa_tgt_to_dev(struct nvm_tgt_dev *tgt_dev, diff --git a/drivers/lightnvm/pblk-core.c b/drivers/lightnvm/pblk-core.c index 64c87dd4f1cd..c3eb135fce07 100644 --- a/drivers/lightnvm/pblk-core.c +++ b/drivers/lightnvm/pblk-core.c @@ -885,7 +885,7 @@ int pblk_line_erase(struct pblk *pblk, struct pblk_line *line) } ppa = pblk->luns[bit].bppa; /* set ch and lun */ - ppa.g.blk = line->id; + ppa.a.blk = line->id; atomic_dec(&line->left_eblks); WARN_ON(test_and_set_bit(bit, line->erase_bitmap)); @@ -1683,8 +1683,8 @@ static void __pblk_down_page(struct pblk *pblk, struct ppa_addr *ppa_list, int i; for (i = 1; i < nr_ppas; i++) - WARN_ON(ppa_list[0].g.lun != ppa_list[i].g.lun || - ppa_list[0].g.ch != ppa_list[i].g.ch); + WARN_ON(ppa_list[0].a.lun != ppa_list[i].a.lun || + ppa_list[0].a.ch != ppa_list[i].a.ch); #endif ret = down_timeout(&rlun->wr_sem, msecs_to_jiffies(30000)); @@ -1728,8 +1728,8 @@ void pblk_up_page(struct pblk *pblk, struct ppa_addr *ppa_list, int nr_ppas) int i; for (i = 1; i < nr_ppas; i++) - WARN_ON(ppa_list[0].g.lun != ppa_list[i].g.lun || - ppa_list[0].g.ch != ppa_list[i].g.ch); + WARN_ON(ppa_list[0].a.lun != ppa_list[i].a.lun || + ppa_list[0].a.ch != ppa_list[i].a.ch); #endif rlun = &pblk->luns[pos]; diff --git a/drivers/lightnvm/pblk-map.c b/drivers/lightnvm/pblk-map.c index 04e08d76ea5f..20dbaa89c9df 100644 --- a/drivers/lightnvm/pblk-map.c +++ b/drivers/lightnvm/pblk-map.c @@ -127,7 +127,7 @@ void pblk_map_erase_rq(struct pblk *pblk, struct nvm_rq *rqd, atomic_dec(&e_line->left_eblks); *erase_ppa = rqd->ppa_list[i]; - erase_ppa->g.blk = e_line->id; + erase_ppa->a.blk = e_line->id; spin_unlock(&e_line->lock); @@ -168,6 +168,6 @@ retry: set_bit(bit, e_line->erase_bitmap); atomic_dec(&e_line->left_eblks); *erase_ppa = pblk->luns[bit].bppa; /* set ch and lun */ - erase_ppa->g.blk = e_line->id; + erase_ppa->a.blk = e_line->id; } } diff --git a/drivers/lightnvm/pblk-sysfs.c b/drivers/lightnvm/pblk-sysfs.c index 3e9364f60b44..2489ea0edfa0 100644 --- a/drivers/lightnvm/pblk-sysfs.c +++ b/drivers/lightnvm/pblk-sysfs.c @@ -39,8 +39,8 @@ static ssize_t pblk_sysfs_luns_show(struct pblk *pblk, char *page) sz += snprintf(page + sz, PAGE_SIZE - sz, "pblk: pos:%d, ch:%d, lun:%d - %d\n", i, - rlun->bppa.g.ch, - rlun->bppa.g.lun, + rlun->bppa.a.ch, + rlun->bppa.a.lun, active); } diff --git a/drivers/lightnvm/pblk.h b/drivers/lightnvm/pblk.h index dcdad255ccb5..6607c41b23c0 100644 --- a/drivers/lightnvm/pblk.h +++ b/drivers/lightnvm/pblk.h @@ -936,12 +936,12 @@ static inline int pblk_pad_distance(struct pblk *pblk) static inline int pblk_ppa_to_line(struct ppa_addr p) { - return p.g.blk; + return p.a.blk; } static inline int pblk_ppa_to_pos(struct nvm_geo *geo, struct ppa_addr p) { - return p.g.lun * geo->num_ch + p.g.ch; + return p.a.lun * geo->num_ch + p.a.ch; } static inline struct ppa_addr addr_to_gen_ppa(struct pblk *pblk, u64 paddr, -- cgit v1.2.3