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path: root/drivers/lightnvm/sysblk.c
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Diffstat (limited to 'drivers/lightnvm/sysblk.c')
-rw-r--r--drivers/lightnvm/sysblk.c146
1 files changed, 79 insertions, 67 deletions
diff --git a/drivers/lightnvm/sysblk.c b/drivers/lightnvm/sysblk.c
index a48093d17fea..dc99c0ac8701 100644
--- a/drivers/lightnvm/sysblk.c
+++ b/drivers/lightnvm/sysblk.c
@@ -93,10 +93,45 @@ void nvm_setup_sysblk_scan(struct nvm_dev *dev, struct sysblk_scan *s,
s->nr_rows = nvm_setup_sysblks(dev, sysblk_ppas);
}
+static int sysblk_get_free_blks(struct nvm_dev *dev, struct ppa_addr ppa,
+ u8 *blks, int nr_blks,
+ struct sysblk_scan *s)
+{
+ struct ppa_addr *sppa;
+ int i, blkid = 0;
+
+ nr_blks = nvm_bb_tbl_fold(dev, blks, nr_blks);
+ if (nr_blks < 0)
+ return nr_blks;
+
+ for (i = 0; i < nr_blks; i++) {
+ if (blks[i] == NVM_BLK_T_HOST)
+ return -EEXIST;
+
+ if (blks[i] != NVM_BLK_T_FREE)
+ continue;
+
+ sppa = &s->ppas[scan_ppa_idx(s->row, blkid)];
+ sppa->g.ch = ppa.g.ch;
+ sppa->g.lun = ppa.g.lun;
+ sppa->g.blk = i;
+ s->nr_ppas++;
+ blkid++;
+
+ pr_debug("nvm: use (%u %u %u) as sysblk\n",
+ sppa->g.ch, sppa->g.lun, sppa->g.blk);
+ if (blkid > MAX_BLKS_PR_SYSBLK - 1)
+ return 0;
+ }
+
+ pr_err("nvm: sysblk failed get sysblk\n");
+ return -EINVAL;
+}
+
static int sysblk_get_host_blks(struct nvm_dev *dev, struct ppa_addr ppa,
- u8 *blks, int nr_blks, void *private)
+ u8 *blks, int nr_blks,
+ struct sysblk_scan *s)
{
- struct sysblk_scan *s = private;
int i, nr_sysblk = 0;
nr_blks = nvm_bb_tbl_fold(dev, blks, nr_blks);
@@ -123,26 +158,42 @@ static int sysblk_get_host_blks(struct nvm_dev *dev, struct ppa_addr ppa,
}
static int nvm_get_all_sysblks(struct nvm_dev *dev, struct sysblk_scan *s,
- struct ppa_addr *ppas, nvm_bb_update_fn *fn)
+ struct ppa_addr *ppas, int get_free)
{
- struct ppa_addr dppa;
- int i, ret = 0;
+ int i, nr_blks, ret = 0;
+ u8 *blks;
s->nr_ppas = 0;
+ nr_blks = dev->blks_per_lun * dev->plane_mode;
+
+ blks = kmalloc(nr_blks, GFP_KERNEL);
+ if (!blks)
+ return -ENOMEM;
for (i = 0; i < s->nr_rows; i++) {
- dppa = generic_to_dev_addr(dev, ppas[i]);
s->row = i;
- ret = dev->ops->get_bb_tbl(dev, dppa, fn, s);
+ ret = nvm_get_bb_tbl(dev, ppas[i], blks);
if (ret) {
pr_err("nvm: failed bb tbl for ppa (%u %u)\n",
ppas[i].g.ch,
ppas[i].g.blk);
- return ret;
+ goto err_get;
}
+
+ if (get_free)
+ ret = sysblk_get_free_blks(dev, ppas[i], blks, nr_blks,
+ s);
+ else
+ ret = sysblk_get_host_blks(dev, ppas[i], blks, nr_blks,
+ s);
+
+ if (ret)
+ goto err_get;
}
+err_get:
+ kfree(blks);
return ret;
}
@@ -239,41 +290,6 @@ static int nvm_set_bb_tbl(struct nvm_dev *dev, struct sysblk_scan *s, int type)
return 0;
}
-static int sysblk_get_free_blks(struct nvm_dev *dev, struct ppa_addr ppa,
- u8 *blks, int nr_blks, void *private)
-{
- struct sysblk_scan *s = private;
- struct ppa_addr *sppa;
- int i, blkid = 0;
-
- nr_blks = nvm_bb_tbl_fold(dev, blks, nr_blks);
- if (nr_blks < 0)
- return nr_blks;
-
- for (i = 0; i < nr_blks; i++) {
- if (blks[i] == NVM_BLK_T_HOST)
- return -EEXIST;
-
- if (blks[i] != NVM_BLK_T_FREE)
- continue;
-
- sppa = &s->ppas[scan_ppa_idx(s->row, blkid)];
- sppa->g.ch = ppa.g.ch;
- sppa->g.lun = ppa.g.lun;
- sppa->g.blk = i;
- s->nr_ppas++;
- blkid++;
-
- pr_debug("nvm: use (%u %u %u) as sysblk\n",
- sppa->g.ch, sppa->g.lun, sppa->g.blk);
- if (blkid > MAX_BLKS_PR_SYSBLK - 1)
- return 0;
- }
-
- pr_err("nvm: sysblk failed get sysblk\n");
- return -EINVAL;
-}
-
static int nvm_write_and_verify(struct nvm_dev *dev, struct nvm_sb_info *info,
struct sysblk_scan *s)
{
@@ -393,7 +409,7 @@ int nvm_get_sysblock(struct nvm_dev *dev, struct nvm_sb_info *info)
nvm_setup_sysblk_scan(dev, &s, sysblk_ppas);
mutex_lock(&dev->mlock);
- ret = nvm_get_all_sysblks(dev, &s, sysblk_ppas, sysblk_get_host_blks);
+ ret = nvm_get_all_sysblks(dev, &s, sysblk_ppas, 0);
if (ret)
goto err_sysblk;
@@ -453,7 +469,7 @@ int nvm_update_sysblock(struct nvm_dev *dev, struct nvm_sb_info *new)
nvm_setup_sysblk_scan(dev, &s, sysblk_ppas);
mutex_lock(&dev->mlock);
- ret = nvm_get_all_sysblks(dev, &s, sysblk_ppas, sysblk_get_host_blks);
+ ret = nvm_get_all_sysblks(dev, &s, sysblk_ppas, 0);
if (ret)
goto err_sysblk;
@@ -551,7 +567,7 @@ int nvm_init_sysblock(struct nvm_dev *dev, struct nvm_sb_info *info)
nvm_setup_sysblk_scan(dev, &s, sysblk_ppas);
mutex_lock(&dev->mlock);
- ret = nvm_get_all_sysblks(dev, &s, sysblk_ppas, sysblk_get_free_blks);
+ ret = nvm_get_all_sysblks(dev, &s, sysblk_ppas, 1);
if (ret)
goto err_mark;
@@ -587,9 +603,9 @@ static unsigned int factory_blk_offset(struct nvm_dev *dev, int ch, int lun)
}
static int nvm_factory_blks(struct nvm_dev *dev, struct ppa_addr ppa,
- u8 *blks, int nr_blks, void *private)
+ u8 *blks, int nr_blks,
+ struct factory_blks *f)
{
- struct factory_blks *f = private;
int i, lunoff;
nr_blks = nvm_bb_tbl_fold(dev, blks, nr_blks);
@@ -659,32 +675,29 @@ static int nvm_fact_get_blks(struct nvm_dev *dev, struct ppa_addr *erase_list,
return ppa_cnt;
}
-static int nvm_fact_get_bb_tbl(struct nvm_dev *dev, struct ppa_addr ppa,
- nvm_bb_update_fn *fn, void *priv)
-{
- struct ppa_addr dev_ppa;
- int ret;
-
- dev_ppa = generic_to_dev_addr(dev, ppa);
-
- ret = dev->ops->get_bb_tbl(dev, dev_ppa, fn, priv);
- if (ret)
- pr_err("nvm: failed bb tbl for ch%u lun%u\n",
- ppa.g.ch, ppa.g.blk);
- return ret;
-}
-
static int nvm_fact_select_blks(struct nvm_dev *dev, struct factory_blks *f)
{
- int ch, lun, ret;
struct ppa_addr ppa;
+ int ch, lun, nr_blks, ret;
+ u8 *blks;
+
+ nr_blks = dev->blks_per_lun * dev->plane_mode;
+ blks = kmalloc(nr_blks, GFP_KERNEL);
+ if (!blks)
+ return -ENOMEM;
nvm_for_each_lun_ppa(dev, ppa, ch, lun) {
- ret = nvm_fact_get_bb_tbl(dev, ppa, nvm_factory_blks, f);
+ ret = nvm_get_bb_tbl(dev, ppa, blks);
+ if (ret)
+ pr_err("nvm: failed bb tbl for ch%u lun%u\n",
+ ppa.g.ch, ppa.g.blk);
+
+ ret = nvm_factory_blks(dev, ppa, blks, nr_blks, f);
if (ret)
return ret;
}
+ kfree(blks);
return 0;
}
@@ -722,8 +735,7 @@ int nvm_dev_factory(struct nvm_dev *dev, int flags)
if (flags & NVM_FACTORY_RESET_HOST_BLKS) {
nvm_setup_sysblk_scan(dev, &s, sysblk_ppas);
mutex_lock(&dev->mlock);
- ret = nvm_get_all_sysblks(dev, &s, sysblk_ppas,
- sysblk_get_host_blks);
+ ret = nvm_get_all_sysblks(dev, &s, sysblk_ppas, 0);
if (!ret)
ret = nvm_set_bb_tbl(dev, &s, NVM_BLK_T_FREE);
mutex_unlock(&dev->mlock);
generated by cgit v1.2.3 (git 2.0.4) at 2024-05-24 04:17:44 +0000