On address conversions, use the generic device, instead of the target
device. This allows to use conversions outside of the target's realm.
Signed-off-by: Javier González <jav...@cnexlabs.com>
---
drivers/lightnvm/core.c | 4 ++--
include/linux/lightnvm.h | 20 ++++++++++----------
2 files changed, 12 insertions(+), 12 deletions(-)
diff --git a/drivers/lightnvm/core.c b/drivers/lightnvm/core.c
index 92ea6e39dd64..fae5e8c6fcd0 100644
--- a/drivers/lightnvm/core.c
+++ b/drivers/lightnvm/core.c
@@ -588,7 +588,7 @@ static void nvm_ppa_tgt_to_dev(struct nvm_tgt_dev *tgt_dev,
for (i = 0; i < nr_ppas; i++) {
nvm_map_to_dev(tgt_dev, &ppa_list[i]);
- ppa_list[i] = generic_to_dev_addr(tgt_dev, ppa_list[i]);
+ ppa_list[i] = generic_to_dev_addr(tgt_dev->parent, ppa_list[i]);
}
}
@@ -598,7 +598,7 @@ static void nvm_ppa_dev_to_tgt(struct nvm_tgt_dev *tgt_dev,
int i;
for (i = 0; i < nr_ppas; i++) {
- ppa_list[i] = dev_to_generic_addr(tgt_dev, ppa_list[i]);
+ ppa_list[i] = dev_to_generic_addr(tgt_dev->parent, ppa_list[i]);
nvm_map_to_tgt(tgt_dev, &ppa_list[i]);
}
}
diff --git a/include/linux/lightnvm.h b/include/linux/lightnvm.h
index 8cda1125c34a..2b909592568a 100644
--- a/include/linux/lightnvm.h
+++ b/include/linux/lightnvm.h
@@ -405,15 +405,15 @@ struct nvm_dev {
struct list_head targets;
};
-static inline struct ppa_addr generic_to_dev_addr(struct nvm_tgt_dev *tgt_dev,
+static inline struct ppa_addr generic_to_dev_addr(struct nvm_dev *dev,
struct ppa_addr r)
{
- struct nvm_geo *geo = &tgt_dev->geo;
+ struct nvm_geo *dev_geo = &dev->geo;
struct ppa_addr l;
- if (geo->c.version == NVM_OCSSD_SPEC_12) {
+ if (dev_geo->c.version == NVM_OCSSD_SPEC_12) {
struct nvm_addr_format_12 *ppaf =
- (struct nvm_addr_format_12 *)&geo->c.addrf;
+ (struct nvm_addr_format_12 *)&dev_geo->c.addrf;
l.ppa = ((u64)r.g.ch) << ppaf->ch_offset;
l.ppa |= ((u64)r.g.lun) << ppaf->lun_offset;
@@ -422,7 +422,7 @@ static inline struct ppa_addr generic_to_dev_addr(struct
nvm_tgt_dev *tgt_dev,
l.ppa |= ((u64)r.g.pl) << ppaf->pln_offset;
l.ppa |= ((u64)r.g.sec) << ppaf->sec_offset;
} else {
- struct nvm_addr_format *lbaf = &geo->c.addrf;
+ struct nvm_addr_format *lbaf = &dev_geo->c.addrf;
l.ppa = ((u64)r.m.grp) << lbaf->ch_offset;
l.ppa |= ((u64)r.m.pu) << lbaf->lun_offset;
@@ -433,17 +433,17 @@ static inline struct ppa_addr generic_to_dev_addr(struct
nvm_tgt_dev *tgt_dev,
return l;
}
-static inline struct ppa_addr dev_to_generic_addr(struct nvm_tgt_dev *tgt_dev,
+static inline struct ppa_addr dev_to_generic_addr(struct nvm_dev *dev,
struct ppa_addr r)
{
- struct nvm_geo *geo = &tgt_dev->geo;
+ struct nvm_geo *dev_geo = &dev->geo;
struct ppa_addr l;
l.ppa = 0;
- if (geo->c.version == NVM_OCSSD_SPEC_12) {
+ if (dev_geo->c.version == NVM_OCSSD_SPEC_12) {
struct nvm_addr_format_12 *ppaf =
- (struct nvm_addr_format_12 *)&geo->c.addrf;
+ (struct nvm_addr_format_12 *)&dev_geo->c.addrf;
l.g.ch = (r.ppa & ppaf->ch_mask) >> ppaf->ch_offset;
l.g.lun = (r.ppa & ppaf->lun_mask) >> ppaf->lun_offset;
@@ -452,7 +452,7 @@ static inline struct ppa_addr dev_to_generic_addr(struct
nvm_tgt_dev *tgt_dev,
l.g.pl = (r.ppa & ppaf->pln_mask) >> ppaf->pln_offset;
l.g.sec = (r.ppa & ppaf->sec_mask) >> ppaf->sec_offset;
} else {
- struct nvm_addr_format *lbaf = &geo->c.addrf;
+ struct nvm_addr_format *lbaf = &dev_geo->c.addrf;
l.m.grp = (r.ppa & lbaf->ch_mask) >> lbaf->ch_offset;
l.m.pu = (r.ppa & lbaf->lun_mask) >> lbaf->lun_offset;
--
2.7.4
