[PATCH 06/15] lightnvm: normalize geometry nomenclature

From: Javier GonzÃlez
Date: Wed Feb 28 2018 - 12:12:21 EST

Normalize nomenclature for naming channels, luns, chunks, planes and
sectors as well as derivations in order to improve readability.

Signed-off-by: Javier GonzÃlez <javier@xxxxxxxxxxxx>
---
drivers/lightnvm/core.c | 89 +++++++++++++++++++++----------------------
drivers/lightnvm/pblk-core.c | 4 +-
drivers/lightnvm/pblk-init.c | 30 +++++++--------
drivers/lightnvm/pblk-sysfs.c | 4 +-
drivers/lightnvm/pblk.h | 20 +++++-----
drivers/nvme/host/lightnvm.c | 54 +++++++++++++-------------
include/linux/lightnvm.h | 16 ++++----
7 files changed, 108 insertions(+), 109 deletions(-)

diff --git a/drivers/lightnvm/core.c b/drivers/lightnvm/core.c
index c4f72fbad2bf..b869e3051265 100644
--- a/drivers/lightnvm/core.c
+++ b/drivers/lightnvm/core.c
@@ -36,13 +36,13 @@ static DECLARE_RWSEM(nvm_lock);
/* Map between virtual and physical channel and lun */
struct nvm_ch_map {
int ch_off;
- int nr_luns;
+ int num_lun;
int *lun_offs;
};

struct nvm_dev_map {
struct nvm_ch_map *chnls;
- int nr_chnls;
+ int num_ch;
};

static struct nvm_target *nvm_find_target(struct nvm_dev *dev, const char *name)
@@ -114,15 +114,15 @@ static void nvm_remove_tgt_dev(struct nvm_tgt_dev *tgt_dev, int clear)
struct nvm_dev_map *dev_map = tgt_dev->map;
int i, j;

- for (i = 0; i < dev_map->nr_chnls; i++) {
+ for (i = 0; i < dev_map->num_ch; i++) {
struct nvm_ch_map *ch_map = &dev_map->chnls[i];
int *lun_offs = ch_map->lun_offs;
int ch = i + ch_map->ch_off;

if (clear) {
- for (j = 0; j < ch_map->nr_luns; j++) {
+ for (j = 0; j < ch_map->num_lun; j++) {
int lun = j + lun_offs[j];
- int lunid = (ch * dev->geo.nr_luns) + lun;
+ int lunid = (ch * dev->geo.num_lun) + lun;

WARN_ON(!test_and_clear_bit(lunid,
dev->lun_map));
@@ -147,47 +147,46 @@ static struct nvm_tgt_dev *nvm_create_tgt_dev(struct nvm_dev *dev,
struct nvm_dev_map *dev_rmap = dev->rmap;
struct nvm_dev_map *dev_map;
struct ppa_addr *luns;
- int nr_luns = lun_end - lun_begin + 1;
- int luns_left = nr_luns;
- int nr_chnls = nr_luns / dev->geo.nr_luns;
- int nr_chnls_mod = nr_luns % dev->geo.nr_luns;
- int bch = lun_begin / dev->geo.nr_luns;
- int blun = lun_begin % dev->geo.nr_luns;
+ int num_lun = lun_end - lun_begin + 1;
+ int luns_left = num_lun;
+ int num_ch = num_lun / dev->geo.num_lun;
+ int num_ch_mod = num_lun % dev->geo.num_lun;
+ int bch = lun_begin / dev->geo.num_lun;
+ int blun = lun_begin % dev->geo.num_lun;
int lunid = 0;
int lun_balanced = 1;
- int sec_per_lun, prev_nr_luns;
+ int sec_per_lun, prev_num_lun;
int i, j;

- nr_chnls = (nr_chnls_mod == 0) ? nr_chnls : nr_chnls + 1;
+ num_ch = (num_ch_mod == 0) ? num_ch : num_ch + 1;

dev_map = kmalloc(sizeof(struct nvm_dev_map), GFP_KERNEL);
if (!dev_map)
goto err_dev;

- dev_map->chnls = kcalloc(nr_chnls, sizeof(struct nvm_ch_map),
- GFP_KERNEL);
+ dev_map->chnls = kcalloc(num_ch, sizeof(struct nvm_ch_map), GFP_KERNEL);
if (!dev_map->chnls)
goto err_chnls;

- luns = kcalloc(nr_luns, sizeof(struct ppa_addr), GFP_KERNEL);
+ luns = kcalloc(num_lun, sizeof(struct ppa_addr), GFP_KERNEL);
if (!luns)
goto err_luns;

- prev_nr_luns = (luns_left > dev->geo.nr_luns) ?
- dev->geo.nr_luns : luns_left;
- for (i = 0; i < nr_chnls; i++) {
+ prev_num_lun = (luns_left > dev->geo.num_lun) ?
+ dev->geo.num_lun : luns_left;
+ for (i = 0; i < num_ch; i++) {
struct nvm_ch_map *ch_rmap = &dev_rmap->chnls[i + bch];
int *lun_roffs = ch_rmap->lun_offs;
struct nvm_ch_map *ch_map = &dev_map->chnls[i];
int *lun_offs;
- int luns_in_chnl = (luns_left > dev->geo.nr_luns) ?
- dev->geo.nr_luns : luns_left;
+ int luns_in_chnl = (luns_left > dev->geo.num_lun) ?
+ dev->geo.num_lun : luns_left;

- if (lun_balanced && prev_nr_luns != luns_in_chnl)
+ if (lun_balanced && prev_num_lun != luns_in_chnl)
lun_balanced = 0;

ch_map->ch_off = ch_rmap->ch_off = bch;
- ch_map->nr_luns = luns_in_chnl;
+ ch_map->num_lun = luns_in_chnl;

lun_offs = kcalloc(luns_in_chnl, sizeof(int), GFP_KERNEL);
if (!lun_offs)
@@ -209,7 +208,7 @@ static struct nvm_tgt_dev *nvm_create_tgt_dev(struct nvm_dev *dev,
luns_left -= luns_in_chnl;
}

- dev_map->nr_chnls = nr_chnls;
+ dev_map->num_ch = num_ch;

tgt_dev = kmalloc(sizeof(struct nvm_tgt_dev), GFP_KERNEL);
if (!tgt_dev)
@@ -219,15 +218,15 @@ static struct nvm_tgt_dev *nvm_create_tgt_dev(struct nvm_dev *dev,
memcpy(&tgt_dev->geo, &dev->geo, sizeof(struct nvm_geo));

/* Target device only owns a portion of the physical device */
- tgt_dev->geo.nr_chnls = nr_chnls;
- tgt_dev->geo.nr_luns = (lun_balanced) ? prev_nr_luns : -1;
- tgt_dev->geo.all_luns = nr_luns;
- tgt_dev->geo.all_chunks = nr_luns * dev->geo.nr_chks;
+ tgt_dev->geo.num_ch = num_ch;
+ tgt_dev->geo.num_lun = (lun_balanced) ? prev_num_lun : -1;
+ tgt_dev->geo.all_luns = num_lun;
+ tgt_dev->geo.all_chunks = num_lun * dev->geo.num_chk;

tgt_dev->geo.op = op;

- sec_per_lun = dev->geo.clba * dev->geo.nr_chks;
- tgt_dev->geo.total_secs = nr_luns * sec_per_lun;
+ sec_per_lun = dev->geo.clba * dev->geo.num_chk;
+ tgt_dev->geo.total_secs = num_lun * sec_per_lun;

tgt_dev->q = dev->q;
tgt_dev->map = dev_map;
@@ -505,20 +504,20 @@ static int nvm_register_map(struct nvm_dev *dev)
if (!rmap)
goto err_rmap;

- rmap->chnls = kcalloc(dev->geo.nr_chnls, sizeof(struct nvm_ch_map),
+ rmap->chnls = kcalloc(dev->geo.num_ch, sizeof(struct nvm_ch_map),
GFP_KERNEL);
if (!rmap->chnls)
goto err_chnls;

- for (i = 0; i < dev->geo.nr_chnls; i++) {
+ for (i = 0; i < dev->geo.num_ch; i++) {
struct nvm_ch_map *ch_rmap;
int *lun_roffs;
- int luns_in_chnl = dev->geo.nr_luns;
+ int luns_in_chnl = dev->geo.num_lun;

ch_rmap = &rmap->chnls[i];

ch_rmap->ch_off = -1;
- ch_rmap->nr_luns = luns_in_chnl;
+ ch_rmap->num_lun = luns_in_chnl;

lun_roffs = kcalloc(luns_in_chnl, sizeof(int), GFP_KERNEL);
if (!lun_roffs)
@@ -547,7 +546,7 @@ static void nvm_unregister_map(struct nvm_dev *dev)
struct nvm_dev_map *rmap = dev->rmap;
int i;

- for (i = 0; i < dev->geo.nr_chnls; i++)
+ for (i = 0; i < dev->geo.num_ch; i++)
kfree(rmap->chnls[i].lun_offs);

kfree(rmap->chnls);
@@ -676,7 +675,7 @@ static int nvm_set_rqd_ppalist(struct nvm_tgt_dev *tgt_dev, struct nvm_rq *rqd,
int i, plane_cnt, pl_idx;
struct ppa_addr ppa;

- if (geo->plane_mode == NVM_PLANE_SINGLE && nr_ppas == 1) {
+ if (geo->pln_mode == NVM_PLANE_SINGLE && nr_ppas == 1) {
rqd->nr_ppas = nr_ppas;
rqd->ppa_addr = ppas[0];

@@ -690,7 +689,7 @@ static int nvm_set_rqd_ppalist(struct nvm_tgt_dev *tgt_dev, struct nvm_rq *rqd,
return -ENOMEM;
}

- plane_cnt = geo->plane_mode;
+ plane_cnt = geo->pln_mode;
rqd->nr_ppas *= plane_cnt;

for (i = 0; i < nr_ppas; i++) {
@@ -808,15 +807,15 @@ 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 != geo->nr_chks * geo->plane_mode)
+ if (nr_blks != geo->num_chk * geo->pln_mode)
return -EINVAL;

- for (blk = 0; blk < geo->nr_chks; blk++) {
- offset = blk * geo->plane_mode;
+ for (blk = 0; blk < geo->num_chk; blk++) {
+ offset = blk * geo->pln_mode;
blktype = blks[offset];

/* Bad blocks on any planes take precedence over other types */
- for (pl = 0; pl < geo->plane_mode; pl++) {
+ for (pl = 0; pl < geo->pln_mode; pl++) {
if (blks[offset + pl] &
(NVM_BLK_T_BAD|NVM_BLK_T_GRWN_BAD)) {
blktype = blks[offset + pl];
@@ -827,7 +826,7 @@ int nvm_bb_tbl_fold(struct nvm_dev *dev, u8 *blks, int nr_blks)
blks[blk] = blktype;
}

- return geo->nr_chks;
+ return geo->num_chk;
}
EXPORT_SYMBOL(nvm_bb_tbl_fold);

@@ -901,9 +900,9 @@ static int nvm_init(struct nvm_dev *dev)
}

pr_info("nvm: registered %s [%u/%u/%u/%u/%u]\n",
- dev->name, geo->ws_min, geo->ws_opt,
- geo->nr_chks, geo->all_luns,
- geo->nr_chnls);
+ dev->name, dev->geo.ws_min, dev->geo.ws_opt,
+ dev->geo.num_chk, dev->geo.all_luns,
+ dev->geo.num_ch);
return 0;
err:
pr_err("nvm: failed to initialize nvm\n");
diff --git a/drivers/lightnvm/pblk-core.c b/drivers/lightnvm/pblk-core.c
index 169589ddd457..7d0bd33f11d9 100644
--- a/drivers/lightnvm/pblk-core.c
+++ b/drivers/lightnvm/pblk-core.c
@@ -1745,10 +1745,10 @@ void pblk_up_rq(struct pblk *pblk, struct ppa_addr *ppa_list, int nr_ppas,
struct nvm_tgt_dev *dev = pblk->dev;
struct nvm_geo *geo = &dev->geo;
struct pblk_lun *rlun;
- int nr_luns = geo->all_luns;
+ int num_lun = geo->all_luns;
int bit = -1;

- while ((bit = find_next_bit(lun_bitmap, nr_luns, bit + 1)) < nr_luns) {
+ while ((bit = find_next_bit(lun_bitmap, num_lun, bit + 1)) < num_lun) {
rlun = &pblk->luns[bit];
up(&rlun->wr_sem);
}
diff --git a/drivers/lightnvm/pblk-init.c b/drivers/lightnvm/pblk-init.c
index 9b5ee05c3028..11424beb214c 100644
--- a/drivers/lightnvm/pblk-init.c
+++ b/drivers/lightnvm/pblk-init.c
@@ -162,15 +162,15 @@ static int pblk_set_addrf_12(struct nvm_geo *geo,
int power_len;

/* Re-calculate channel and lun format to adapt to configuration */
- power_len = get_count_order(geo->nr_chnls);
- if (1 << power_len != geo->nr_chnls) {
+ power_len = get_count_order(geo->num_ch);
+ if (1 << power_len != geo->num_ch) {
pr_err("pblk: supports only power-of-two channel config.\n");
return -EINVAL;
}
dst->ch_len = power_len;

- power_len = get_count_order(geo->nr_luns);
- if (1 << power_len != geo->nr_luns) {
+ power_len = get_count_order(geo->num_lun);
+ if (1 << power_len != geo->num_lun) {
pr_err("pblk: supports only power-of-two LUN config.\n");
return -EINVAL;
}
@@ -179,16 +179,16 @@ static int pblk_set_addrf_12(struct nvm_geo *geo,
dst->blk_len = src->blk_len;
dst->pg_len = src->pg_len;
dst->pln_len = src->pln_len;
- dst->sect_len = src->sect_len;
+ dst->sec_len = src->sec_len;

- dst->sect_offset = 0;
- dst->pln_offset = dst->sect_len;
+ dst->sec_offset = 0;
+ dst->pln_offset = dst->sec_len;
dst->ch_offset = dst->pln_offset + dst->pln_len;
dst->lun_offset = dst->ch_offset + dst->ch_len;
dst->pg_offset = dst->lun_offset + dst->lun_len;
dst->blk_offset = dst->pg_offset + dst->pg_len;

- dst->sec_mask = ((1ULL << dst->sect_len) - 1) << dst->sect_offset;
+ dst->sec_mask = ((1ULL << dst->sec_len) - 1) << dst->sec_offset;
dst->pln_mask = ((1ULL << dst->pln_len) - 1) << dst->pln_offset;
dst->ch_mask = ((1ULL << dst->ch_len) - 1) << dst->ch_offset;
dst->lun_mask = ((1ULL << dst->lun_len) - 1) << dst->lun_offset;
@@ -448,7 +448,7 @@ static void *pblk_bb_get_log(struct pblk *pblk)
int i, nr_blks, blk_per_lun;
int ret;

- blk_per_lun = geo->nr_chks * geo->plane_mode;
+ blk_per_lun = geo->num_chk * geo->pln_mode;
nr_blks = blk_per_lun * geo->all_luns;

log = kmalloc(nr_blks, GFP_KERNEL);
@@ -475,7 +475,7 @@ static int pblk_bb_line(struct pblk *pblk, struct pblk_line *line,
struct nvm_tgt_dev *dev = pblk->dev;
struct nvm_geo *geo = &dev->geo;
int i, bb_cnt = 0;
- int blk_per_lun = geo->nr_chks * geo->plane_mode;
+ int blk_per_lun = geo->num_chk * geo->pln_mode;

for (i = 0; i < blk_per_line; i++) {
struct pblk_lun *rlun = &pblk->luns[i];
@@ -499,7 +499,7 @@ static int pblk_luns_init(struct pblk *pblk, struct ppa_addr *luns)
int i;

/* TODO: Implement unbalanced LUN support */
- if (geo->nr_luns < 0) {
+ if (geo->num_lun < 0) {
pr_err("pblk: unbalanced LUN config.\n");
return -EINVAL;
}
@@ -511,9 +511,9 @@ static int pblk_luns_init(struct pblk *pblk, struct ppa_addr *luns)

for (i = 0; i < geo->all_luns; i++) {
/* Stripe across channels */
- int ch = i % geo->nr_chnls;
- int lun_raw = i / geo->nr_chnls;
- int lunid = lun_raw + ch * geo->nr_luns;
+ int ch = i % geo->num_ch;
+ int lun_raw = i / geo->num_ch;
+ int lunid = lun_raw + ch * geo->num_lun;

rlun = &pblk->luns[i];
rlun->bppa = luns[lunid];
@@ -740,7 +740,7 @@ static int pblk_lines_init(struct pblk *pblk)
return -EINVAL;
}

- l_mg->nr_lines = geo->nr_chks;
+ l_mg->nr_lines = geo->num_chk;
l_mg->log_line = l_mg->data_line = NULL;
l_mg->l_seq_nr = l_mg->d_seq_nr = 0;
l_mg->nr_free_lines = 0;
diff --git a/drivers/lightnvm/pblk-sysfs.c b/drivers/lightnvm/pblk-sysfs.c
index 33199c6af267..462a787893d5 100644
--- a/drivers/lightnvm/pblk-sysfs.c
+++ b/drivers/lightnvm/pblk-sysfs.c
@@ -128,7 +128,7 @@ static ssize_t pblk_sysfs_ppaf(struct pblk *pblk, char *page)
ppaf->blk_offset, ppaf->blk_len,
ppaf->pg_offset, ppaf->pg_len,
ppaf->pln_offset, ppaf->pln_len,
- ppaf->sect_offset, ppaf->sect_len);
+ ppaf->sec_offset, ppaf->sec_len);

sz += snprintf(page + sz, PAGE_SIZE - sz,
"device:ch:%d/%d,lun:%d/%d,blk:%d/%d,pg:%d/%d,pl:%d/%d,sec:%d/%d\n",
@@ -137,7 +137,7 @@ static ssize_t pblk_sysfs_ppaf(struct pblk *pblk, char *page)
geo_ppaf->blk_offset, geo_ppaf->blk_len,
geo_ppaf->pg_offset, geo_ppaf->pg_len,
geo_ppaf->pln_offset, geo_ppaf->pln_len,
- geo_ppaf->sect_offset, geo_ppaf->sect_len);
+ geo_ppaf->sec_offset, geo_ppaf->sec_len);

return sz;
}
diff --git a/drivers/lightnvm/pblk.h b/drivers/lightnvm/pblk.h
index b29c1e6698aa..bae2cc758de8 100644
--- a/drivers/lightnvm/pblk.h
+++ b/drivers/lightnvm/pblk.h
@@ -941,7 +941,7 @@ static inline int pblk_ppa_to_line(struct ppa_addr p)

static inline int pblk_ppa_to_pos(struct nvm_geo *geo, struct ppa_addr p)
{
- return p.g.lun * geo->nr_chnls + p.g.ch;
+ return p.g.lun * geo->num_ch + p.g.ch;
}

static inline struct ppa_addr addr_to_gen_ppa(struct pblk *pblk, u64 paddr,
@@ -957,7 +957,7 @@ static inline struct ppa_addr addr_to_gen_ppa(struct pblk *pblk, u64 paddr,
ppa.g.lun = (paddr & ppaf->lun_mask) >> ppaf->lun_offset;
ppa.g.ch = (paddr & ppaf->ch_mask) >> ppaf->ch_offset;
ppa.g.pl = (paddr & ppaf->pln_mask) >> ppaf->pln_offset;
- ppa.g.sec = (paddr & ppaf->sec_mask) >> ppaf->sect_offset;
+ ppa.g.sec = (paddr & ppaf->sec_mask) >> ppaf->sec_offset;

return ppa;
}
@@ -973,7 +973,7 @@ static inline u64 pblk_dev_ppa_to_line_addr(struct pblk *pblk,
paddr |= (u64)p.g.lun << ppaf->lun_offset;
paddr |= (u64)p.g.pg << ppaf->pg_offset;
paddr |= (u64)p.g.pl << ppaf->pln_offset;
- paddr |= (u64)p.g.sec << ppaf->sect_offset;
+ paddr |= (u64)p.g.sec << ppaf->sec_offset;

return paddr;
}
@@ -998,7 +998,7 @@ static inline struct ppa_addr pblk_ppa32_to_ppa64(struct pblk *pblk, u32 ppa32)
ppa64.g.blk = (ppa32 & ppaf->blk_mask) >> ppaf->blk_offset;
ppa64.g.pg = (ppa32 & ppaf->pg_mask) >> ppaf->pg_offset;
ppa64.g.pl = (ppa32 & ppaf->pln_mask) >> ppaf->pln_offset;
- ppa64.g.sec = (ppa32 & ppaf->sec_mask) >> ppaf->sect_offset;
+ ppa64.g.sec = (ppa32 & ppaf->sec_mask) >> ppaf->sec_offset;
}

return ppa64;
@@ -1022,7 +1022,7 @@ static inline u32 pblk_ppa64_to_ppa32(struct pblk *pblk, struct ppa_addr ppa64)
ppa32 |= ppa64.g.blk << ppaf->blk_offset;
ppa32 |= ppa64.g.pg << ppaf->pg_offset;
ppa32 |= ppa64.g.pl << ppaf->pln_offset;
- ppa32 |= ppa64.g.sec << ppaf->sect_offset;
+ ppa32 |= ppa64.g.sec << ppaf->sec_offset;
}

return ppa32;
@@ -1140,7 +1140,7 @@ static inline int pblk_set_progr_mode(struct pblk *pblk, int type)
struct nvm_geo *geo = &dev->geo;
int flags;

- flags = geo->plane_mode >> 1;
+ flags = geo->pln_mode >> 1;

if (type == PBLK_WRITE)
flags |= NVM_IO_SCRAMBLE_ENABLE;
@@ -1161,7 +1161,7 @@ static inline int pblk_set_read_mode(struct pblk *pblk, int type)

flags = NVM_IO_SUSPEND | NVM_IO_SCRAMBLE_ENABLE;
if (type == PBLK_READ_SEQUENTIAL)
- flags |= geo->plane_mode >> 1;
+ flags |= geo->pln_mode >> 1;

return flags;
}
@@ -1214,10 +1214,10 @@ static inline int pblk_boundary_ppa_checks(struct nvm_tgt_dev *tgt_dev,
ppa = &ppas[i];

if (!ppa->c.is_cached &&
- ppa->g.ch < geo->nr_chnls &&
- ppa->g.lun < geo->nr_luns &&
+ ppa->g.ch < geo->num_ch &&
+ ppa->g.lun < geo->num_lun &&
ppa->g.pl < geo->num_pln &&
- ppa->g.blk < geo->nr_chks &&
+ ppa->g.blk < geo->num_chk &&
ppa->g.pg < geo->num_pg &&
ppa->g.sec < geo->ws_min)
continue;
diff --git a/drivers/nvme/host/lightnvm.c b/drivers/nvme/host/lightnvm.c
index afb5f883f8c8..f7135659f918 100644
--- a/drivers/nvme/host/lightnvm.c
+++ b/drivers/nvme/host/lightnvm.c
@@ -262,21 +262,21 @@ static void nvme_nvm_set_addr_12(struct nvm_addr_format_12 *dst,
dst->blk_len = src->blk_len;
dst->pg_len = src->pg_len;
dst->pln_len = src->pln_len;
- dst->sect_len = src->sec_len;
+ dst->sec_len = src->sec_len;

dst->ch_offset = src->ch_offset;
dst->lun_offset = src->lun_offset;
dst->blk_offset = src->blk_offset;
dst->pg_offset = src->pg_offset;
dst->pln_offset = src->pln_offset;
- dst->sect_offset = src->sec_offset;
+ dst->sec_offset = src->sec_offset;

dst->ch_mask = ((1ULL << dst->ch_len) - 1) << dst->ch_offset;
dst->lun_mask = ((1ULL << dst->lun_len) - 1) << dst->lun_offset;
dst->blk_mask = ((1ULL << dst->blk_len) - 1) << dst->blk_offset;
dst->pg_mask = ((1ULL << dst->pg_len) - 1) << dst->pg_offset;
dst->pln_mask = ((1ULL << dst->pln_len) - 1) << dst->pln_offset;
- dst->sec_mask = ((1ULL << dst->sect_len) - 1) << dst->sect_offset;
+ dst->sec_mask = ((1ULL << dst->sec_len) - 1) << dst->sec_offset;
}

static int nvme_nvm_setup_12(struct nvme_nvm_id12 *id,
@@ -302,11 +302,11 @@ static int nvme_nvm_setup_12(struct nvme_nvm_id12 *id,
/* Set compacted version for upper layers */
geo->version = NVM_OCSSD_SPEC_12;

- geo->nr_chnls = src->num_ch;
- geo->nr_luns = src->num_lun;
- geo->all_luns = geo->nr_chnls * geo->nr_luns;
+ geo->num_ch = src->num_ch;
+ geo->num_lun = src->num_lun;
+ geo->all_luns = geo->num_ch * geo->num_lun;

- geo->nr_chks = le16_to_cpu(src->num_chk);
+ geo->num_chk = le16_to_cpu(src->num_chk);

geo->csecs = le16_to_cpu(src->csecs);
geo->sos = le16_to_cpu(src->sos);
@@ -316,7 +316,7 @@ static int nvme_nvm_setup_12(struct nvme_nvm_id12 *id,
sec_per_pl = sec_per_pg * src->num_pln;
geo->clba = sec_per_pl * pg_per_blk;

- geo->all_chunks = geo->all_luns * geo->nr_chks;
+ geo->all_chunks = geo->all_luns * geo->num_chk;
geo->total_secs = geo->clba * geo->all_chunks;

geo->ws_min = sec_per_pg;
@@ -327,8 +327,8 @@ static int nvme_nvm_setup_12(struct nvme_nvm_id12 *id,
* unspecified in 1.2. Users of 1.2 must be aware of this and eventually
* specify these values through a quirk if restrictions apply.
*/
- geo->maxoc = geo->all_luns * geo->nr_chks;
- geo->maxocpu = geo->nr_chks;
+ geo->maxoc = geo->all_luns * geo->num_chk;
+ geo->maxocpu = geo->num_chk;

geo->cap = le32_to_cpu(src->mccap);

@@ -350,13 +350,13 @@ static int nvme_nvm_setup_12(struct nvme_nvm_id12 *id,
geo->cpar = le16_to_cpu(src->cpar);
geo->mpos = le32_to_cpu(src->mpos);

- geo->plane_mode = NVM_PLANE_SINGLE;
+ geo->pln_mode = NVM_PLANE_SINGLE;

if (geo->mpos & 0x020202) {
- geo->plane_mode = NVM_PLANE_DOUBLE;
+ geo->pln_mode = NVM_PLANE_DOUBLE;
geo->ws_opt <<= 1;
} else if (geo->mpos & 0x040404) {
- geo->plane_mode = NVM_PLANE_QUAD;
+ geo->pln_mode = NVM_PLANE_QUAD;
geo->ws_opt <<= 2;
}

@@ -404,14 +404,14 @@ static int nvme_nvm_setup_20(struct nvme_nvm_id20 *id,
return -EINVAL;
}

- geo->nr_chnls = le16_to_cpu(id->num_grp);
- geo->nr_luns = le16_to_cpu(id->num_pu);
- geo->all_luns = geo->nr_chnls * geo->nr_luns;
+ geo->num_ch = le16_to_cpu(id->num_grp);
+ geo->num_lun = le16_to_cpu(id->num_pu);
+ geo->all_luns = geo->num_ch * geo->num_lun;

- geo->nr_chks = le32_to_cpu(id->num_chk);
+ geo->num_chk = le32_to_cpu(id->num_chk);
geo->clba = le32_to_cpu(id->clba);

- geo->all_chunks = geo->all_luns * geo->nr_chks;
+ geo->all_chunks = geo->all_luns * geo->num_chk;
geo->total_secs = geo->clba * geo->all_chunks;

geo->ws_min = le32_to_cpu(id->ws_min);
@@ -487,7 +487,7 @@ static int nvme_nvm_get_bb_tbl(struct nvm_dev *nvmdev, struct ppa_addr ppa,
struct nvme_ctrl *ctrl = ns->ctrl;
struct nvme_nvm_command c = {};
struct nvme_nvm_bb_tbl *bb_tbl;
- int nr_blks = geo->nr_chks * geo->num_pln;
+ int nr_blks = geo->num_chk * geo->num_pln;
int tblsz = sizeof(struct nvme_nvm_bb_tbl) + nr_blks;
int ret = 0;

@@ -528,7 +528,7 @@ static int nvme_nvm_get_bb_tbl(struct nvm_dev *nvmdev, struct ppa_addr ppa,
goto out;
}

- memcpy(blks, bb_tbl->blk, geo->nr_chks * geo->num_pln);
+ memcpy(blks, bb_tbl->blk, geo->num_chk * geo->num_pln);
out:
kfree(bb_tbl);
return ret;
@@ -972,7 +972,7 @@ static ssize_t nvm_dev_attr_show_ppaf(struct nvm_addr_format_12 *ppaf,
ppaf->pln_offset, ppaf->pln_len,
ppaf->blk_offset, ppaf->blk_len,
ppaf->pg_offset, ppaf->pg_len,
- ppaf->sect_offset, ppaf->sect_len);
+ ppaf->sec_offset, ppaf->sec_len);
}

static ssize_t nvm_dev_attr_show_12(struct device *dev,
@@ -1002,13 +1002,13 @@ static ssize_t nvm_dev_attr_show_12(struct device *dev,
} else if (strcmp(attr->name, "flash_media_type") == 0) {
return scnprintf(page, PAGE_SIZE, "%u\n", geo->fmtype);
} else if (strcmp(attr->name, "num_channels") == 0) {
- return scnprintf(page, PAGE_SIZE, "%u\n", geo->nr_chnls);
+ return scnprintf(page, PAGE_SIZE, "%u\n", geo->num_ch);
} else if (strcmp(attr->name, "num_luns") == 0) {
- return scnprintf(page, PAGE_SIZE, "%u\n", geo->nr_luns);
+ return scnprintf(page, PAGE_SIZE, "%u\n", geo->num_lun);
} else if (strcmp(attr->name, "num_planes") == 0) {
return scnprintf(page, PAGE_SIZE, "%u\n", geo->num_pln);
} else if (strcmp(attr->name, "num_blocks") == 0) { /* u16 */
- return scnprintf(page, PAGE_SIZE, "%u\n", geo->nr_chks);
+ return scnprintf(page, PAGE_SIZE, "%u\n", geo->num_chk);
} else if (strcmp(attr->name, "num_pages") == 0) {
return scnprintf(page, PAGE_SIZE, "%u\n", geo->num_pg);
} else if (strcmp(attr->name, "page_size") == 0) {
@@ -1052,11 +1052,11 @@ static ssize_t nvm_dev_attr_show_20(struct device *dev,
attr = &dattr->attr;

if (strcmp(attr->name, "groups") == 0) {
- return scnprintf(page, PAGE_SIZE, "%u\n", geo->nr_chnls);
+ return scnprintf(page, PAGE_SIZE, "%u\n", geo->num_ch);
} else if (strcmp(attr->name, "punits") == 0) {
- return scnprintf(page, PAGE_SIZE, "%u\n", geo->nr_luns);
+ return scnprintf(page, PAGE_SIZE, "%u\n", geo->num_lun);
} else if (strcmp(attr->name, "chunks") == 0) {
- return scnprintf(page, PAGE_SIZE, "%u\n", geo->nr_chks);
+ return scnprintf(page, PAGE_SIZE, "%u\n", geo->num_chk);
} else if (strcmp(attr->name, "clba") == 0) {
return scnprintf(page, PAGE_SIZE, "%u\n", geo->clba);
} else if (strcmp(attr->name, "ws_min") == 0) {
diff --git a/include/linux/lightnvm.h b/include/linux/lightnvm.h
index 2102b092c7eb..4f88e3dc4d8c 100644
--- a/include/linux/lightnvm.h
+++ b/include/linux/lightnvm.h
@@ -163,14 +163,14 @@ struct nvm_addr_format_12 {
u8 blk_len;
u8 pg_len;
u8 pln_len;
- u8 sect_len;
+ u8 sec_len;

u8 ch_offset;
u8 lun_offset;
u8 blk_offset;
u8 pg_offset;
u8 pln_offset;
- u8 sect_offset;
+ u8 sec_offset;

u64 ch_mask;
u64 lun_mask;
@@ -275,8 +275,8 @@ struct nvm_geo {
u8 version;

/* instance specific geometry */
- int nr_chnls;
- int nr_luns; /* per channel */
+ int num_ch;
+ int num_lun; /* per channel */

/* calculated values */
int all_luns; /* across channels */
@@ -287,7 +287,7 @@ struct nvm_geo {
sector_t total_secs; /* across channels */

/* chunk geometry */
- u32 nr_chks; /* chunks per lun */
+ u32 num_chk; /* chunks per lun */
u32 clba; /* sectors per chunk */
u16 csecs; /* sector size */
u16 sos; /* out-of-band area size */
@@ -327,7 +327,7 @@ struct nvm_geo {
u32 mpos;

u8 num_pln;
- u8 plane_mode;
+ u8 pln_mode;
u16 num_pg;
u16 fpg_sz;
};
@@ -385,7 +385,7 @@ static inline struct ppa_addr generic_to_dev_addr(struct nvm_tgt_dev *tgt_dev,
l.ppa |= ((u64)r.g.blk) << ppaf->blk_offset;
l.ppa |= ((u64)r.g.pg) << ppaf->pg_offset;
l.ppa |= ((u64)r.g.pl) << ppaf->pln_offset;
- l.ppa |= ((u64)r.g.sec) << ppaf->sect_offset;
+ l.ppa |= ((u64)r.g.sec) << ppaf->sec_offset;

return l;
}
@@ -405,7 +405,7 @@ static inline struct ppa_addr dev_to_generic_addr(struct nvm_tgt_dev *tgt_dev,
l.g.blk = (r.ppa & ppaf->blk_mask) >> ppaf->blk_offset;
l.g.pg = (r.ppa & ppaf->pg_mask) >> ppaf->pg_offset;
l.g.pl = (r.ppa & ppaf->pln_mask) >> ppaf->pln_offset;
- l.g.sec = (r.ppa & ppaf->sec_mask) >> ppaf->sect_offset;
+ l.g.sec = (r.ppa & ppaf->sec_mask) >> ppaf->sec_offset;

return l;
}
--
2.7.4