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authorJavier González <javier@cnexlabs.com>2018-03-30 00:05:10 +0200
committerJens Axboe <axboe@kernel.dk>2018-03-29 17:29:09 -0600
commite46f4e4822bdecf9bcbc2e71b2a3ae7f37464a2d (patch)
treef69895ed8945edc7be7e80186ad7b4568d367db5 /drivers/lightnvm
parent43d47127219de1dd674b917c1835baa14c4c1768 (diff)
downloadlinux-e46f4e4822bdecf9bcbc2e71b2a3ae7f37464a2d.tar.gz
linux-e46f4e4822bdecf9bcbc2e71b2a3ae7f37464a2d.tar.xz
lightnvm: simplify geometry structure
Currently, the device geometry is stored redundantly in the nvm_id and nvm_geo structures at a device level. Moreover, when instantiating targets on a specific number of LUNs, these structures are replicated and manually modified to fit the instance channel and LUN partitioning. Instead, create a generic geometry around nvm_geo, which can be used by (i) the underlying device to describe the geometry of the whole device, and (ii) instances to describe their geometry independently. Signed-off-by: Javier González <javier@cnexlabs.com> Signed-off-by: Matias Bjørling <mb@lightnvm.io> Signed-off-by: Jens Axboe <axboe@kernel.dk>
Diffstat (limited to 'drivers/lightnvm')
-rw-r--r--drivers/lightnvm/core.c70
-rw-r--r--drivers/lightnvm/pblk-core.c16
-rw-r--r--drivers/lightnvm/pblk-gc.c2
-rw-r--r--drivers/lightnvm/pblk-init.c117
-rw-r--r--drivers/lightnvm/pblk-read.c2
-rw-r--r--drivers/lightnvm/pblk-recovery.c14
-rw-r--r--drivers/lightnvm/pblk-rl.c2
-rw-r--r--drivers/lightnvm/pblk-sysfs.c35
-rw-r--r--drivers/lightnvm/pblk-write.c2
-rw-r--r--drivers/lightnvm/pblk.h83
10 files changed, 154 insertions, 189 deletions
diff --git a/drivers/lightnvm/core.c b/drivers/lightnvm/core.c
index c4f12b1ae8b8..9dec936ac1dc 100644
--- a/drivers/lightnvm/core.c
+++ b/drivers/lightnvm/core.c
@@ -155,7 +155,7 @@ static struct nvm_tgt_dev *nvm_create_tgt_dev(struct nvm_dev *dev,
int blun = lun_begin % dev->geo.nr_luns;
int lunid = 0;
int lun_balanced = 1;
- int prev_nr_luns;
+ int sec_per_lun, prev_nr_luns;
int i, j;
nr_chnls = (nr_chnls_mod == 0) ? nr_chnls : nr_chnls + 1;
@@ -215,18 +215,23 @@ static struct nvm_tgt_dev *nvm_create_tgt_dev(struct nvm_dev *dev,
if (!tgt_dev)
goto err_ch;
+ /* Inherit device geometry from parent */
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.all_luns = nr_luns;
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.op = op;
- tgt_dev->total_secs = nr_luns * tgt_dev->geo.sec_per_lun;
+
+ sec_per_lun = dev->geo.clba * dev->geo.nr_chks;
+ tgt_dev->geo.total_secs = nr_luns * sec_per_lun;
+
tgt_dev->q = dev->q;
tgt_dev->map = dev_map;
tgt_dev->luns = luns;
- memcpy(&tgt_dev->identity, &dev->identity, sizeof(struct nvm_id));
-
tgt_dev->parent = dev;
return tgt_dev;
@@ -296,8 +301,6 @@ static int __nvm_config_simple(struct nvm_dev *dev,
static int __nvm_config_extended(struct nvm_dev *dev,
struct nvm_ioctl_create_extended *e)
{
- struct nvm_geo *geo = &dev->geo;
-
if (e->lun_begin == 0xFFFF && e->lun_end == 0xFFFF) {
e->lun_begin = 0;
e->lun_end = dev->geo.all_luns - 1;
@@ -311,7 +314,7 @@ static int __nvm_config_extended(struct nvm_dev *dev,
return -EINVAL;
}
- return nvm_config_check_luns(geo, e->lun_begin, e->lun_end);
+ return nvm_config_check_luns(&dev->geo, e->lun_begin, e->lun_end);
}
static int nvm_create_tgt(struct nvm_dev *dev, struct nvm_ioctl_create *create)
@@ -406,7 +409,7 @@ static int nvm_create_tgt(struct nvm_dev *dev, struct nvm_ioctl_create *create)
tqueue->queuedata = targetdata;
blk_queue_max_hw_sectors(tqueue,
- (dev->geo.sec_size >> 9) * NVM_MAX_VLBA);
+ (dev->geo.csecs >> 9) * NVM_MAX_VLBA);
set_capacity(tdisk, tt->capacity(targetdata));
add_disk(tdisk);
@@ -841,40 +844,9 @@ EXPORT_SYMBOL(nvm_get_tgt_bb_tbl);
static int nvm_core_init(struct nvm_dev *dev)
{
- struct nvm_id *id = &dev->identity;
struct nvm_geo *geo = &dev->geo;
int ret;
- memcpy(&geo->ppaf, &id->ppaf, sizeof(struct nvm_addr_format));
-
- if (id->mtype != 0) {
- pr_err("nvm: memory type not supported\n");
- return -EINVAL;
- }
-
- /* Whole device values */
- geo->nr_chnls = id->num_ch;
- geo->nr_luns = id->num_lun;
-
- /* Generic device geometry values */
- geo->ws_min = id->ws_min;
- geo->ws_opt = id->ws_opt;
- geo->ws_seq = id->ws_seq;
- geo->ws_per_chk = id->ws_per_chk;
- geo->nr_chks = id->num_chk;
- geo->mccap = id->mccap;
-
- geo->sec_per_chk = id->clba;
- geo->sec_per_lun = geo->sec_per_chk * geo->nr_chks;
- geo->all_luns = geo->nr_luns * geo->nr_chnls;
-
- /* 1.2 spec device geometry values */
- geo->plane_mode = 1 << geo->ws_seq;
- geo->nr_planes = geo->ws_opt / geo->ws_min;
- geo->sec_per_pg = geo->ws_min;
- geo->sec_per_pl = geo->sec_per_pg * geo->nr_planes;
-
- dev->total_secs = geo->all_luns * geo->sec_per_lun;
dev->lun_map = kcalloc(BITS_TO_LONGS(geo->all_luns),
sizeof(unsigned long), GFP_KERNEL);
if (!dev->lun_map)
@@ -913,16 +885,14 @@ static int nvm_init(struct nvm_dev *dev)
struct nvm_geo *geo = &dev->geo;
int ret = -EINVAL;
- if (dev->ops->identity(dev, &dev->identity)) {
+ if (dev->ops->identity(dev)) {
pr_err("nvm: device could not be identified\n");
goto err;
}
- if (dev->identity.ver_id != 1 && dev->identity.ver_id != 2) {
- pr_err("nvm: device ver_id %d not supported by kernel.\n",
- dev->identity.ver_id);
- goto err;
- }
+ pr_debug("nvm: ver:%u nvm_vendor:%x\n",
+ geo->ver_id,
+ geo->vmnt);
ret = nvm_core_init(dev);
if (ret) {
@@ -930,10 +900,10 @@ static int nvm_init(struct nvm_dev *dev)
goto err;
}
- pr_info("nvm: registered %s [%u/%u/%u/%u/%u/%u]\n",
- dev->name, geo->sec_per_pg, geo->nr_planes,
- geo->ws_per_chk, geo->nr_chks,
- geo->all_luns, geo->nr_chnls);
+ 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);
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 5c363ccde0e3..52c0c3e5ec6e 100644
--- a/drivers/lightnvm/pblk-core.c
+++ b/drivers/lightnvm/pblk-core.c
@@ -613,7 +613,7 @@ next_rq:
memset(&rqd, 0, sizeof(struct nvm_rq));
rq_ppas = pblk_calc_secs(pblk, left_ppas, 0);
- rq_len = rq_ppas * geo->sec_size;
+ rq_len = rq_ppas * geo->csecs;
bio = pblk_bio_map_addr(pblk, emeta_buf, rq_ppas, rq_len,
l_mg->emeta_alloc_type, GFP_KERNEL);
@@ -722,7 +722,7 @@ u64 pblk_line_smeta_start(struct pblk *pblk, struct pblk_line *line)
if (bit >= lm->blk_per_line)
return -1;
- return bit * geo->sec_per_pl;
+ return bit * geo->ws_opt;
}
static int pblk_line_submit_smeta_io(struct pblk *pblk, struct pblk_line *line,
@@ -1034,17 +1034,17 @@ static int pblk_line_init_bb(struct pblk *pblk, struct pblk_line *line,
/* Capture bad block information on line mapping bitmaps */
while ((bit = find_next_bit(line->blk_bitmap, lm->blk_per_line,
bit + 1)) < lm->blk_per_line) {
- off = bit * geo->sec_per_pl;
+ off = bit * geo->ws_opt;
bitmap_shift_left(l_mg->bb_aux, l_mg->bb_template, off,
lm->sec_per_line);
bitmap_or(line->map_bitmap, line->map_bitmap, l_mg->bb_aux,
lm->sec_per_line);
- line->sec_in_line -= geo->sec_per_chk;
+ line->sec_in_line -= geo->clba;
}
/* Mark smeta metadata sectors as bad sectors */
bit = find_first_zero_bit(line->blk_bitmap, lm->blk_per_line);
- off = bit * geo->sec_per_pl;
+ off = bit * geo->ws_opt;
bitmap_set(line->map_bitmap, off, lm->smeta_sec);
line->sec_in_line -= lm->smeta_sec;
line->smeta_ssec = off;
@@ -1063,10 +1063,10 @@ static int pblk_line_init_bb(struct pblk *pblk, struct pblk_line *line,
emeta_secs = lm->emeta_sec[0];
off = lm->sec_per_line;
while (emeta_secs) {
- off -= geo->sec_per_pl;
+ off -= geo->ws_opt;
if (!test_bit(off, line->invalid_bitmap)) {
- bitmap_set(line->invalid_bitmap, off, geo->sec_per_pl);
- emeta_secs -= geo->sec_per_pl;
+ bitmap_set(line->invalid_bitmap, off, geo->ws_opt);
+ emeta_secs -= geo->ws_opt;
}
}
diff --git a/drivers/lightnvm/pblk-gc.c b/drivers/lightnvm/pblk-gc.c
index 31f17d6f14ee..7143b0f740fb 100644
--- a/drivers/lightnvm/pblk-gc.c
+++ b/drivers/lightnvm/pblk-gc.c
@@ -88,7 +88,7 @@ static void pblk_gc_line_ws(struct work_struct *work)
up(&gc->gc_sem);
- gc_rq->data = vmalloc(gc_rq->nr_secs * geo->sec_size);
+ gc_rq->data = vmalloc(gc_rq->nr_secs * geo->csecs);
if (!gc_rq->data) {
pr_err("pblk: could not GC line:%d (%d/%d)\n",
line->id, *line->vsc, gc_rq->nr_secs);
diff --git a/drivers/lightnvm/pblk-init.c b/drivers/lightnvm/pblk-init.c
index 8f1d622801df..2fca27d0a9b5 100644
--- a/drivers/lightnvm/pblk-init.c
+++ b/drivers/lightnvm/pblk-init.c
@@ -179,7 +179,7 @@ static int pblk_rwb_init(struct pblk *pblk)
return -ENOMEM;
power_size = get_count_order(nr_entries);
- power_seg_sz = get_count_order(geo->sec_size);
+ power_seg_sz = get_count_order(geo->csecs);
return pblk_rb_init(&pblk->rwb, entries, power_size, power_seg_sz);
}
@@ -187,18 +187,10 @@ static int pblk_rwb_init(struct pblk *pblk)
/* Minimum pages needed within a lun */
#define ADDR_POOL_SIZE 64
-static int pblk_set_ppaf(struct pblk *pblk)
+static int pblk_set_addrf_12(struct nvm_geo *geo, struct nvm_addrf_12 *dst)
{
- struct nvm_tgt_dev *dev = pblk->dev;
- struct nvm_geo *geo = &dev->geo;
- struct nvm_addr_format ppaf = geo->ppaf;
- int mod, power_len;
-
- div_u64_rem(geo->sec_per_chk, pblk->min_write_pgs, &mod);
- if (mod) {
- pr_err("pblk: bad configuration of sectors/pages\n");
- return -EINVAL;
- }
+ struct nvm_addrf_12 *src = (struct nvm_addrf_12 *)&geo->addrf;
+ int power_len;
/* Re-calculate channel and lun format to adapt to configuration */
power_len = get_count_order(geo->nr_chnls);
@@ -206,34 +198,50 @@ static int pblk_set_ppaf(struct pblk *pblk)
pr_err("pblk: supports only power-of-two channel config.\n");
return -EINVAL;
}
- ppaf.ch_len = power_len;
+ dst->ch_len = power_len;
power_len = get_count_order(geo->nr_luns);
if (1 << power_len != geo->nr_luns) {
pr_err("pblk: supports only power-of-two LUN config.\n");
return -EINVAL;
}
- ppaf.lun_len = power_len;
-
- pblk->ppaf.sec_offset = 0;
- pblk->ppaf.pln_offset = ppaf.sect_len;
- pblk->ppaf.ch_offset = pblk->ppaf.pln_offset + ppaf.pln_len;
- pblk->ppaf.lun_offset = pblk->ppaf.ch_offset + ppaf.ch_len;
- pblk->ppaf.pg_offset = pblk->ppaf.lun_offset + ppaf.lun_len;
- pblk->ppaf.blk_offset = pblk->ppaf.pg_offset + ppaf.pg_len;
- pblk->ppaf.sec_mask = (1ULL << ppaf.sect_len) - 1;
- pblk->ppaf.pln_mask = ((1ULL << ppaf.pln_len) - 1) <<
- pblk->ppaf.pln_offset;
- pblk->ppaf.ch_mask = ((1ULL << ppaf.ch_len) - 1) <<
- pblk->ppaf.ch_offset;
- pblk->ppaf.lun_mask = ((1ULL << ppaf.lun_len) - 1) <<
- pblk->ppaf.lun_offset;
- pblk->ppaf.pg_mask = ((1ULL << ppaf.pg_len) - 1) <<
- pblk->ppaf.pg_offset;
- pblk->ppaf.blk_mask = ((1ULL << ppaf.blk_len) - 1) <<
- pblk->ppaf.blk_offset;
-
- pblk->ppaf_bitsize = pblk->ppaf.blk_offset + ppaf.blk_len;
+ dst->lun_len = power_len;
+
+ 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->sect_offset = 0;
+ dst->pln_offset = dst->sect_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->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;
+ dst->pg_mask = ((1ULL << dst->pg_len) - 1) << dst->pg_offset;
+ dst->blk_mask = ((1ULL << dst->blk_len) - 1) << dst->blk_offset;
+
+ return dst->blk_offset + src->blk_len;
+}
+
+static int pblk_set_ppaf(struct pblk *pblk)
+{
+ struct nvm_tgt_dev *dev = pblk->dev;
+ struct nvm_geo *geo = &dev->geo;
+ int mod;
+
+ div_u64_rem(geo->clba, pblk->min_write_pgs, &mod);
+ if (mod) {
+ pr_err("pblk: bad configuration of sectors/pages\n");
+ return -EINVAL;
+ }
+
+ pblk->ppaf_bitsize = pblk_set_addrf_12(geo, (void *)&pblk->ppaf);
return 0;
}
@@ -303,10 +311,9 @@ static int pblk_core_init(struct pblk *pblk)
atomic64_set(&pblk->nr_flush, 0);
pblk->nr_flush_rst = 0;
- pblk->pgs_in_buffer = NVM_MEM_PAGE_WRITE * geo->sec_per_pg *
- geo->nr_planes * geo->all_luns;
+ pblk->pgs_in_buffer = geo->mw_cunits * geo->all_luns;
- pblk->min_write_pgs = geo->sec_per_pl * (geo->sec_size / PAGE_SIZE);
+ pblk->min_write_pgs = geo->ws_opt * (geo->csecs / PAGE_SIZE);
max_write_ppas = pblk->min_write_pgs * geo->all_luns;
pblk->max_write_pgs = min_t(int, max_write_ppas, NVM_MAX_VLBA);
pblk_set_sec_per_write(pblk, pblk->min_write_pgs);
@@ -583,18 +590,18 @@ static unsigned int calc_emeta_len(struct pblk *pblk)
/* Round to sector size so that lba_list starts on its own sector */
lm->emeta_sec[1] = DIV_ROUND_UP(
sizeof(struct line_emeta) + lm->blk_bitmap_len +
- sizeof(struct wa_counters), geo->sec_size);
- lm->emeta_len[1] = lm->emeta_sec[1] * geo->sec_size;
+ sizeof(struct wa_counters), geo->csecs);
+ lm->emeta_len[1] = lm->emeta_sec[1] * geo->csecs;
/* Round to sector size so that vsc_list starts on its own sector */
lm->dsec_per_line = lm->sec_per_line - lm->emeta_sec[0];
lm->emeta_sec[2] = DIV_ROUND_UP(lm->dsec_per_line * sizeof(u64),
- geo->sec_size);
- lm->emeta_len[2] = lm->emeta_sec[2] * geo->sec_size;
+ geo->csecs);
+ lm->emeta_len[2] = lm->emeta_sec[2] * geo->csecs;
lm->emeta_sec[3] = DIV_ROUND_UP(l_mg->nr_lines * sizeof(u32),
- geo->sec_size);
- lm->emeta_len[3] = lm->emeta_sec[3] * geo->sec_size;
+ geo->csecs);
+ lm->emeta_len[3] = lm->emeta_sec[3] * geo->csecs;
lm->vsc_list_len = l_mg->nr_lines * sizeof(u32);
@@ -625,13 +632,13 @@ static void pblk_set_provision(struct pblk *pblk, long nr_free_blks)
* on user capacity consider only provisioned blocks
*/
pblk->rl.total_blocks = nr_free_blks;
- pblk->rl.nr_secs = nr_free_blks * geo->sec_per_chk;
+ pblk->rl.nr_secs = nr_free_blks * geo->clba;
/* Consider sectors used for metadata */
sec_meta = (lm->smeta_sec + lm->emeta_sec[0]) * l_mg->nr_free_lines;
- blk_meta = DIV_ROUND_UP(sec_meta, geo->sec_per_chk);
+ blk_meta = DIV_ROUND_UP(sec_meta, geo->clba);
- pblk->capacity = (provisioned - blk_meta) * geo->sec_per_chk;
+ pblk->capacity = (provisioned - blk_meta) * geo->clba;
atomic_set(&pblk->rl.free_blocks, nr_free_blks);
atomic_set(&pblk->rl.free_user_blocks, nr_free_blks);
@@ -783,7 +790,7 @@ static int pblk_line_meta_init(struct pblk *pblk)
unsigned int smeta_len, emeta_len;
int i;
- lm->sec_per_line = geo->sec_per_chk * geo->all_luns;
+ lm->sec_per_line = geo->clba * geo->all_luns;
lm->blk_per_line = geo->all_luns;
lm->blk_bitmap_len = BITS_TO_LONGS(geo->all_luns) * sizeof(long);
lm->sec_bitmap_len = BITS_TO_LONGS(lm->sec_per_line) * sizeof(long);
@@ -797,8 +804,8 @@ static int pblk_line_meta_init(struct pblk *pblk)
*/
i = 1;
add_smeta_page:
- lm->smeta_sec = i * geo->sec_per_pl;
- lm->smeta_len = lm->smeta_sec * geo->sec_size;
+ lm->smeta_sec = i * geo->ws_opt;
+ lm->smeta_len = lm->smeta_sec * geo->csecs;
smeta_len = sizeof(struct line_smeta) + lm->lun_bitmap_len;
if (smeta_len > lm->smeta_len) {
@@ -811,8 +818,8 @@ add_smeta_page:
*/
i = 1;
add_emeta_page:
- lm->emeta_sec[0] = i * geo->sec_per_pl;
- lm->emeta_len[0] = lm->emeta_sec[0] * geo->sec_size;
+ lm->emeta_sec[0] = i * geo->ws_opt;
+ lm->emeta_len[0] = lm->emeta_sec[0] * geo->csecs;
emeta_len = calc_emeta_len(pblk);
if (emeta_len > lm->emeta_len[0]) {
@@ -825,7 +832,7 @@ add_emeta_page:
lm->min_blk_line = 1;
if (geo->all_luns > 1)
lm->min_blk_line += DIV_ROUND_UP(lm->smeta_sec +
- lm->emeta_sec[0], geo->sec_per_chk);
+ lm->emeta_sec[0], geo->clba);
if (lm->min_blk_line > lm->blk_per_line) {
pr_err("pblk: config. not supported. Min. LUN in line:%d\n",
@@ -1009,9 +1016,9 @@ static void *pblk_init(struct nvm_tgt_dev *dev, struct gendisk *tdisk,
struct pblk *pblk;
int ret;
- if (dev->identity.dom & NVM_RSP_L2P) {
+ if (dev->geo.dom & NVM_RSP_L2P) {
pr_err("pblk: host-side L2P table not supported. (%x)\n",
- dev->identity.dom);
+ dev->geo.dom);
return ERR_PTR(-EINVAL);
}
@@ -1093,7 +1100,7 @@ static void *pblk_init(struct nvm_tgt_dev *dev, struct gendisk *tdisk,
blk_queue_write_cache(tqueue, true, false);
- tqueue->limits.discard_granularity = geo->sec_per_chk * geo->sec_size;
+ tqueue->limits.discard_granularity = geo->clba * geo->csecs;
tqueue->limits.discard_alignment = 0;
blk_queue_max_discard_sectors(tqueue, UINT_MAX >> 9);
blk_queue_flag_set(QUEUE_FLAG_DISCARD, tqueue);
diff --git a/drivers/lightnvm/pblk-read.c b/drivers/lightnvm/pblk-read.c
index 2f761283f43e..9eee10f69df0 100644
--- a/drivers/lightnvm/pblk-read.c
+++ b/drivers/lightnvm/pblk-read.c
@@ -563,7 +563,7 @@ int pblk_submit_read_gc(struct pblk *pblk, struct pblk_gc_rq *gc_rq)
if (!(gc_rq->secs_to_gc))
goto out;
- data_len = (gc_rq->secs_to_gc) * geo->sec_size;
+ data_len = (gc_rq->secs_to_gc) * geo->csecs;
bio = pblk_bio_map_addr(pblk, gc_rq->data, gc_rq->secs_to_gc, data_len,
PBLK_VMALLOC_META, GFP_KERNEL);
if (IS_ERR(bio)) {
diff --git a/drivers/lightnvm/pblk-recovery.c b/drivers/lightnvm/pblk-recovery.c
index aaab9a5c17cc..26356429dc72 100644
--- a/drivers/lightnvm/pblk-recovery.c
+++ b/drivers/lightnvm/pblk-recovery.c
@@ -184,7 +184,7 @@ static int pblk_calc_sec_in_line(struct pblk *pblk, struct pblk_line *line)
int nr_bb = bitmap_weight(line->blk_bitmap, lm->blk_per_line);
return lm->sec_per_line - lm->smeta_sec - lm->emeta_sec[0] -
- nr_bb * geo->sec_per_chk;
+ nr_bb * geo->clba;
}
struct pblk_recov_alloc {
@@ -232,7 +232,7 @@ next_read_rq:
rq_ppas = pblk_calc_secs(pblk, left_ppas, 0);
if (!rq_ppas)
rq_ppas = pblk->min_write_pgs;
- rq_len = rq_ppas * geo->sec_size;
+ rq_len = rq_ppas * geo->csecs;
bio = bio_map_kern(dev->q, data, rq_len, GFP_KERNEL);
if (IS_ERR(bio))
@@ -351,7 +351,7 @@ static int pblk_recov_pad_oob(struct pblk *pblk, struct pblk_line *line,
if (!pad_rq)
return -ENOMEM;
- data = vzalloc(pblk->max_write_pgs * geo->sec_size);
+ data = vzalloc(pblk->max_write_pgs * geo->csecs);
if (!data) {
ret = -ENOMEM;
goto free_rq;
@@ -368,7 +368,7 @@ next_pad_rq:
goto fail_free_pad;
}
- rq_len = rq_ppas * geo->sec_size;
+ rq_len = rq_ppas * geo->csecs;
meta_list = nvm_dev_dma_alloc(dev->parent, GFP_KERNEL, &dma_meta_list);
if (!meta_list) {
@@ -509,7 +509,7 @@ next_rq:
rq_ppas = pblk_calc_secs(pblk, left_ppas, 0);
if (!rq_ppas)
rq_ppas = pblk->min_write_pgs;
- rq_len = rq_ppas * geo->sec_size;
+ rq_len = rq_ppas * geo->csecs;
bio = bio_map_kern(dev->q, data, rq_len, GFP_KERNEL);
if (IS_ERR(bio))
@@ -640,7 +640,7 @@ next_rq:
rq_ppas = pblk_calc_secs(pblk, left_ppas, 0);
if (!rq_ppas)
rq_ppas = pblk->min_write_pgs;
- rq_len = rq_ppas * geo->sec_size;
+ rq_len = rq_ppas * geo->csecs;
bio = bio_map_kern(dev->q, data, rq_len, GFP_KERNEL);
if (IS_ERR(bio))
@@ -745,7 +745,7 @@ static int pblk_recov_l2p_from_oob(struct pblk *pblk, struct pblk_line *line)
ppa_list = (void *)(meta_list) + pblk_dma_meta_size;
dma_ppa_list = dma_meta_list + pblk_dma_meta_size;
- data = kcalloc(pblk->max_write_pgs, geo->sec_size, GFP_KERNEL);
+ data = kcalloc(pblk->max_write_pgs, geo->csecs, GFP_KERNEL);
if (!data) {
ret = -ENOMEM;
goto free_meta_list;
diff --git a/drivers/lightnvm/pblk-rl.c b/drivers/lightnvm/pblk-rl.c
index 0d457b162f23..883a7113b19d 100644
--- a/drivers/lightnvm/pblk-rl.c
+++ b/drivers/lightnvm/pblk-rl.c
@@ -200,7 +200,7 @@ void pblk_rl_init(struct pblk_rl *rl, int budget)
/* Consider sectors used for metadata */
sec_meta = (lm->smeta_sec + lm->emeta_sec[0]) * l_mg->nr_free_lines;
- blk_meta = DIV_ROUND_UP(sec_meta, geo->sec_per_chk);
+ blk_meta = DIV_ROUND_UP(sec_meta, geo->clba);
rl->high = pblk->op_blks - blk_meta - lm->blk_per_line;
rl->high_pw = get_count_order(rl->high);
diff --git a/drivers/lightnvm/pblk-sysfs.c b/drivers/lightnvm/pblk-sysfs.c
index c2cf6c939752..2474ef4366fa 100644
--- a/drivers/lightnvm/pblk-sysfs.c
+++ b/drivers/lightnvm/pblk-sysfs.c
@@ -113,26 +113,31 @@ static ssize_t pblk_sysfs_ppaf(struct pblk *pblk, char *page)
{
struct nvm_tgt_dev *dev = pblk->dev;
struct nvm_geo *geo = &dev->geo;
+ struct nvm_addrf_12 *ppaf;
+ struct nvm_addrf_12 *geo_ppaf;
ssize_t sz = 0;
- sz = snprintf(page, PAGE_SIZE - sz,
+ ppaf = (struct nvm_addrf_12 *)&pblk->ppaf;
+ geo_ppaf = (struct nvm_addrf_12 *)&geo->addrf;
+
+ sz = snprintf(page, PAGE_SIZE,
"g:(b:%d)blk:%d/%d,pg:%d/%d,lun:%d/%d,ch:%d/%d,pl:%d/%d,sec:%d/%d\n",
- pblk->ppaf_bitsize,
- pblk->ppaf.blk_offset, geo->ppaf.blk_len,
- pblk->ppaf.pg_offset, geo->ppaf.pg_len,
- pblk->ppaf.lun_offset, geo->ppaf.lun_len,
- pblk->ppaf.ch_offset, geo->ppaf.ch_len,
- pblk->ppaf.pln_offset, geo->ppaf.pln_len,
- pblk->ppaf.sec_offset, geo->ppaf.sect_len);
+ pblk->ppaf_bitsize,
+ ppaf->blk_offset, ppaf->blk_len,
+ ppaf->pg_offset, ppaf->pg_len,
+ ppaf->lun_offset, ppaf->lun_len,
+ ppaf->ch_offset, ppaf->ch_len,
+ ppaf->pln_offset, ppaf->pln_len,
+ ppaf->sect_offset, ppaf->sect_len);
sz += snprintf(page + sz, PAGE_SIZE - sz,
"d:blk:%d/%d,pg:%d/%d,lun:%d/%d,ch:%d/%d,pl:%d/%d,sec:%d/%d\n",
- geo->ppaf.blk_offset, geo->ppaf.blk_len,
- geo->ppaf.pg_offset, geo->ppaf.pg_len,
- geo->ppaf.lun_offset, geo->ppaf.lun_len,
- geo->ppaf.ch_offset, geo->ppaf.ch_len,
- geo->ppaf.pln_offset, geo->ppaf.pln_len,
- geo->ppaf.sect_offset, geo->ppaf.sect_len);
+ geo_ppaf->blk_offset, geo_ppaf->blk_len,
+ geo_ppaf->pg_offset, geo_ppaf->pg_len,
+ geo_ppaf->lun_offset, geo_ppaf->lun_len,
+ geo_ppaf->ch_offset, geo_ppaf->ch_len,
+ geo_ppaf->pln_offset, geo_ppaf->pln_len,
+ geo_ppaf->sect_offset, geo_ppaf->sect_len);
return sz;
}
@@ -288,7 +293,7 @@ static ssize_t pblk_sysfs_lines_info(struct pblk *pblk, char *page)
"blk_line:%d, sec_line:%d, sec_blk:%d\n",
lm->blk_per_line,
lm->sec_per_line,
- geo->sec_per_chk);
+ geo->clba);
return sz;
}
diff --git a/drivers/lightnvm/pblk-write.c b/drivers/lightnvm/pblk-write.c
index aae86ed60b98..3e6f1ebd743a 100644
--- a/drivers/lightnvm/pblk-write.c
+++ b/drivers/lightnvm/pblk-write.c
@@ -333,7 +333,7 @@ int pblk_submit_meta_io(struct pblk *pblk, struct pblk_line *meta_line)
m_ctx = nvm_rq_to_pdu(rqd);
m_ctx->private = meta_line;
- rq_len = rq_ppas * geo->sec_size;
+ rq_len = rq_ppas * geo->csecs;
data = ((void *)emeta->buf) + emeta->mem;
bio = pblk_bio_map_addr(pblk, data, rq_ppas, rq_len,
diff --git a/drivers/lightnvm/pblk.h b/drivers/lightnvm/pblk.h
index f0309d8172c0..898c4e49f77d 100644
--- a/drivers/lightnvm/pblk.h
+++ b/drivers/lightnvm/pblk.h
@@ -551,21 +551,6 @@ struct pblk_line_meta {
unsigned int meta_distance; /* Distance between data and metadata */
};
-struct pblk_addr_format {
- u64 ch_mask;
- u64 lun_mask;
- u64 pln_mask;
- u64 blk_mask;
- u64 pg_mask;
- u64 sec_mask;
- u8 ch_offset;
- u8 lun_offset;
- u8 pln_offset;
- u8 blk_offset;
- u8 pg_offset;
- u8 sec_offset;
-};
-
enum {
PBLK_STATE_RUNNING = 0,
PBLK_STATE_STOPPING = 1,
@@ -585,8 +570,8 @@ struct pblk {
struct pblk_line_mgmt l_mg; /* Line management */
struct pblk_line_meta lm; /* Line metadata */
+ struct nvm_addrf ppaf;
int ppaf_bitsize;
- struct pblk_addr_format ppaf;
struct pblk_rb rwb;
@@ -941,14 +926,12 @@ static inline int pblk_line_vsc(struct pblk_line *line)
return le32_to_cpu(*line->vsc);
}
-#define NVM_MEM_PAGE_WRITE (8)
-
static inline int pblk_pad_distance(struct pblk *pblk)
{
struct nvm_tgt_dev *dev = pblk->dev;
struct nvm_geo *geo = &dev->geo;
- return NVM_MEM_PAGE_WRITE * geo->all_luns * geo->sec_per_pl;
+ return geo->mw_cunits * geo->all_luns * geo->ws_opt;
}
static inline int pblk_ppa_to_line(struct ppa_addr p)
@@ -964,15 +947,16 @@ static inline int pblk_ppa_to_pos(struct nvm_geo *geo, struct ppa_addr p)
static inline struct ppa_addr addr_to_gen_ppa(struct pblk *pblk, u64 paddr,
u64 line_id)
{
+ struct nvm_addrf_12 *ppaf = (struct nvm_addrf_12 *)&pblk->ppaf;
struct ppa_addr ppa;
ppa.ppa = 0;
ppa.g.blk = line_id;
- ppa.g.pg = (paddr & pblk->ppaf.pg_mask) >> pblk->ppaf.pg_offset;
- ppa.g.lun = (paddr & pblk->ppaf.lun_mask) >> pblk->ppaf.lun_offset;
- ppa.g.ch = (paddr & pblk->ppaf.ch_mask) >> pblk->ppaf.ch_offset;
- ppa.g.pl = (paddr & pblk->ppaf.pln_mask) >> pblk->ppaf.pln_offset;
- ppa.g.sec = (paddr & pblk->ppaf.sec_mask) >> pblk->ppaf.sec_offset;
+ ppa.g.pg = (paddr & ppaf->pg_mask) >> ppaf->pg_offset;
+ 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;
return ppa;
}
@@ -980,13 +964,14 @@ static inline struct ppa_addr addr_to_gen_ppa(struct pblk *pblk, u64 paddr,
static inline u64 pblk_dev_ppa_to_line_addr(struct pblk *pblk,
struct ppa_addr p)
{
+ struct nvm_addrf_12 *ppaf = (struct nvm_addrf_12 *)&pblk->ppaf;
u64 paddr;
- paddr = (u64)p.g.pg << pblk->ppaf.pg_offset;
- paddr |= (u64)p.g.lun << pblk->ppaf.lun_offset;
- paddr |= (u64)p.g.ch << pblk->ppaf.ch_offset;
- paddr |= (u64)p.g.pl << pblk->ppaf.pln_offset;
- paddr |= (u64)p.g.sec << pblk->ppaf.sec_offset;
+ paddr = (u64)p.g.ch << ppaf->ch_offset;
+ 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;
return paddr;
}
@@ -1003,18 +988,14 @@ static inline struct ppa_addr pblk_ppa32_to_ppa64(struct pblk *pblk, u32 ppa32)
ppa64.c.line = ppa32 & ((~0U) >> 1);
ppa64.c.is_cached = 1;
} else {
- ppa64.g.blk = (ppa32 & pblk->ppaf.blk_mask) >>
- pblk->ppaf.blk_offset;
- ppa64.g.pg = (ppa32 & pblk->ppaf.pg_mask) >>
- pblk->ppaf.pg_offset;
- ppa64.g.lun = (ppa32 & pblk->ppaf.lun_mask) >>
- pblk->ppaf.lun_offset;
- ppa64.g.ch = (ppa32 & pblk->ppaf.ch_mask) >>
- pblk->ppaf.ch_offset;
- ppa64.g.pl = (ppa32 & pblk->ppaf.pln_mask) >>
- pblk->ppaf.pln_offset;
- ppa64.g.sec = (ppa32 & pblk->ppaf.sec_mask) >>
- pblk->ppaf.sec_offset;
+ struct nvm_addrf_12 *ppaf = (struct nvm_addrf_12 *)&pblk->ppaf;
+
+ ppa64.g.ch = (ppa32 & ppaf->ch_mask) >> ppaf->ch_offset;
+ ppa64.g.lun = (ppa32 & ppaf->lun_mask) >> ppaf->lun_offset;
+ 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;
}
return ppa64;
@@ -1030,12 +1011,14 @@ static inline u32 pblk_ppa64_to_ppa32(struct pblk *pblk, struct ppa_addr ppa64)
ppa32 |= ppa64.c.line;
ppa32 |= 1U << 31;
} else {
- ppa32 |= ppa64.g.blk << pblk->ppaf.blk_offset;
- ppa32 |= ppa64.g.pg << pblk->ppaf.pg_offset;
- ppa32 |= ppa64.g.lun << pblk->ppaf.lun_offset;
- ppa32 |= ppa64.g.ch << pblk->ppaf.ch_offset;
- ppa32 |= ppa64.g.pl << pblk->ppaf.pln_offset;
- ppa32 |= ppa64.g.sec << pblk->ppaf.sec_offset;
+ struct nvm_addrf_12 *ppaf = (struct nvm_addrf_12 *)&pblk->ppaf;
+
+ ppa32 |= ppa64.g.ch << ppaf->ch_offset;
+ ppa32 |= ppa64.g.lun << ppaf->lun_offset;
+ 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;
}
return ppa32;
@@ -1229,10 +1212,10 @@ static inline int pblk_boundary_ppa_checks(struct nvm_tgt_dev *tgt_dev,
if (!ppa->c.is_cached &&
ppa->g.ch < geo->nr_chnls &&
ppa->g.lun < geo->nr_luns &&
- ppa->g.pl < geo->nr_planes &&
+ ppa->g.pl < geo->num_pln &&
ppa->g.blk < geo->nr_chks &&
- ppa->g.pg < geo->ws_per_chk &&
- ppa->g.sec < geo->sec_per_pg)
+ ppa->g.pg < geo->num_pg &&
+ ppa->g.sec < geo->ws_min)
continue;
print_ppa(ppa, "boundary", i);