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-rw-r--r--drivers/nvdimm/label.c61
-rw-r--r--drivers/nvdimm/namespace_devs.c2
-rw-r--r--drivers/nvdimm/nd.h69
3 files changed, 99 insertions, 33 deletions
diff --git a/drivers/nvdimm/label.c b/drivers/nvdimm/label.c
index b6d845cfb70e..b40a4eda1d89 100644
--- a/drivers/nvdimm/label.c
+++ b/drivers/nvdimm/label.c
@@ -358,9 +358,9 @@ static bool slot_valid(struct nvdimm_drvdata *ndd,
u64 sum, sum_save;
sum_save = nsl_get_checksum(ndd, nd_label);
- nd_label->checksum = __cpu_to_le64(0);
+ nsl_set_checksum(ndd, nd_label, 0);
sum = nd_fletcher64(nd_label, sizeof_namespace_label(ndd), 1);
- nd_label->checksum = __cpu_to_le64(sum_save);
+ nsl_set_checksum(ndd, nd_label, sum_save);
if (sum != sum_save) {
dev_dbg(ndd->dev, "fail checksum. slot: %d expect: %#llx\n",
slot, sum);
@@ -797,16 +797,15 @@ static int __pmem_label_update(struct nd_region *nd_region,
nd_label = to_label(ndd, slot);
memset(nd_label, 0, sizeof_namespace_label(ndd));
memcpy(nd_label->uuid, nspm->uuid, NSLABEL_UUID_LEN);
- if (nspm->alt_name)
- memcpy(nd_label->name, nspm->alt_name, NSLABEL_NAME_LEN);
- nd_label->flags = __cpu_to_le32(flags);
- nd_label->nlabel = __cpu_to_le16(nd_region->ndr_mappings);
- nd_label->position = __cpu_to_le16(pos);
- nd_label->isetcookie = __cpu_to_le64(cookie);
- nd_label->rawsize = __cpu_to_le64(resource_size(res));
- nd_label->lbasize = __cpu_to_le64(nspm->lbasize);
- nd_label->dpa = __cpu_to_le64(res->start);
- nd_label->slot = __cpu_to_le32(slot);
+ nsl_set_name(ndd, nd_label, nspm->alt_name);
+ nsl_set_flags(ndd, nd_label, flags);
+ nsl_set_nlabel(ndd, nd_label, nd_region->ndr_mappings);
+ nsl_set_position(ndd, nd_label, pos);
+ nsl_set_isetcookie(ndd, nd_label, cookie);
+ nsl_set_rawsize(ndd, nd_label, resource_size(res));
+ nsl_set_lbasize(ndd, nd_label, nspm->lbasize);
+ nsl_set_dpa(ndd, nd_label, res->start);
+ nsl_set_slot(ndd, nd_label, slot);
if (namespace_label_has(ndd, type_guid))
guid_copy(&nd_label->type_guid, &nd_set->type_guid);
if (namespace_label_has(ndd, abstraction_guid))
@@ -816,9 +815,9 @@ static int __pmem_label_update(struct nd_region *nd_region,
if (namespace_label_has(ndd, checksum)) {
u64 sum;
- nd_label->checksum = __cpu_to_le64(0);
+ nsl_set_checksum(ndd, nd_label, 0);
sum = nd_fletcher64(nd_label, sizeof_namespace_label(ndd), 1);
- nd_label->checksum = __cpu_to_le64(sum);
+ nsl_set_checksum(ndd, nd_label, sum);
}
nd_dbg_dpa(nd_region, ndd, res, "\n");
@@ -1017,10 +1016,8 @@ static int __blk_label_update(struct nd_region *nd_region,
nd_label = to_label(ndd, slot);
memset(nd_label, 0, sizeof_namespace_label(ndd));
memcpy(nd_label->uuid, nsblk->uuid, NSLABEL_UUID_LEN);
- if (nsblk->alt_name)
- memcpy(nd_label->name, nsblk->alt_name,
- NSLABEL_NAME_LEN);
- nd_label->flags = __cpu_to_le32(NSLABEL_FLAG_LOCAL);
+ nsl_set_name(ndd, nd_label, nsblk->alt_name);
+ nsl_set_flags(ndd, nd_label, NSLABEL_FLAG_LOCAL);
/*
* Use the presence of the type_guid as a flag to
@@ -1029,23 +1026,23 @@ static int __blk_label_update(struct nd_region *nd_region,
*/
if (namespace_label_has(ndd, type_guid)) {
if (i == min_dpa_idx) {
- nd_label->nlabel = __cpu_to_le16(nsblk->num_resources);
- nd_label->position = __cpu_to_le16(0);
+ nsl_set_nlabel(ndd, nd_label, nsblk->num_resources);
+ nsl_set_position(ndd, nd_label, 0);
} else {
- nd_label->nlabel = __cpu_to_le16(0xffff);
- nd_label->position = __cpu_to_le16(0xffff);
+ nsl_set_nlabel(ndd, nd_label, 0xffff);
+ nsl_set_position(ndd, nd_label, 0xffff);
}
- nd_label->isetcookie = __cpu_to_le64(nd_set->cookie2);
+ nsl_set_isetcookie(ndd, nd_label, nd_set->cookie2);
} else {
- nd_label->nlabel = __cpu_to_le16(0); /* N/A */
- nd_label->position = __cpu_to_le16(0); /* N/A */
- nd_label->isetcookie = __cpu_to_le64(0); /* N/A */
+ nsl_set_nlabel(ndd, nd_label, 0); /* N/A */
+ nsl_set_position(ndd, nd_label, 0); /* N/A */
+ nsl_set_isetcookie(ndd, nd_label, 0); /* N/A */
}
- nd_label->dpa = __cpu_to_le64(res->start);
- nd_label->rawsize = __cpu_to_le64(resource_size(res));
- nd_label->lbasize = __cpu_to_le64(nsblk->lbasize);
- nd_label->slot = __cpu_to_le32(slot);
+ nsl_set_dpa(ndd, nd_label, res->start);
+ nsl_set_rawsize(ndd, nd_label, resource_size(res));
+ nsl_set_lbasize(ndd, nd_label, nsblk->lbasize);
+ nsl_set_slot(ndd, nd_label, slot);
if (namespace_label_has(ndd, type_guid))
guid_copy(&nd_label->type_guid, &nd_set->type_guid);
if (namespace_label_has(ndd, abstraction_guid))
@@ -1056,10 +1053,10 @@ static int __blk_label_update(struct nd_region *nd_region,
if (namespace_label_has(ndd, checksum)) {
u64 sum;
- nd_label->checksum = __cpu_to_le64(0);
+ nsl_set_checksum(ndd, nd_label, 0);
sum = nd_fletcher64(nd_label,
sizeof_namespace_label(ndd), 1);
- nd_label->checksum = __cpu_to_le64(sum);
+ nsl_set_checksum(ndd, nd_label, sum);
}
/* update label */
diff --git a/drivers/nvdimm/namespace_devs.c b/drivers/nvdimm/namespace_devs.c
index f33245c27cc4..fb9e080ce654 100644
--- a/drivers/nvdimm/namespace_devs.c
+++ b/drivers/nvdimm/namespace_devs.c
@@ -2569,7 +2569,7 @@ static int init_active_labels(struct nd_region *nd_region)
u32 flags = nsl_get_flags(ndd, label);
flags &= ~NSLABEL_FLAG_LOCAL;
- label->flags = __cpu_to_le32(flags);
+ nsl_set_flags(ndd, label, flags);
}
label_ent->label = label;
diff --git a/drivers/nvdimm/nd.h b/drivers/nvdimm/nd.h
index b3feaf3699f7..9bf9cd4a9a2d 100644
--- a/drivers/nvdimm/nd.h
+++ b/drivers/nvdimm/nd.h
@@ -47,42 +47,89 @@ static inline u8 *nsl_get_name(struct nvdimm_drvdata *ndd,
return memcpy(name, nd_label->name, NSLABEL_NAME_LEN);
}
+static inline u8 *nsl_set_name(struct nvdimm_drvdata *ndd,
+ struct nd_namespace_label *nd_label, u8 *name)
+{
+ if (!name)
+ return NULL;
+ return memcpy(nd_label->name, name, NSLABEL_NAME_LEN);
+}
+
static inline u32 nsl_get_slot(struct nvdimm_drvdata *ndd,
struct nd_namespace_label *nd_label)
{
return __le32_to_cpu(nd_label->slot);
}
+static inline void nsl_set_slot(struct nvdimm_drvdata *ndd,
+ struct nd_namespace_label *nd_label, u32 slot)
+{
+ nd_label->slot = __cpu_to_le32(slot);
+}
+
static inline u64 nsl_get_checksum(struct nvdimm_drvdata *ndd,
struct nd_namespace_label *nd_label)
{
return __le64_to_cpu(nd_label->checksum);
}
+static inline void nsl_set_checksum(struct nvdimm_drvdata *ndd,
+ struct nd_namespace_label *nd_label,
+ u64 checksum)
+{
+ nd_label->checksum = __cpu_to_le64(checksum);
+}
+
static inline u32 nsl_get_flags(struct nvdimm_drvdata *ndd,
struct nd_namespace_label *nd_label)
{
return __le32_to_cpu(nd_label->flags);
}
+static inline void nsl_set_flags(struct nvdimm_drvdata *ndd,
+ struct nd_namespace_label *nd_label, u32 flags)
+{
+ nd_label->flags = __cpu_to_le32(flags);
+}
+
static inline u64 nsl_get_dpa(struct nvdimm_drvdata *ndd,
struct nd_namespace_label *nd_label)
{
return __le64_to_cpu(nd_label->dpa);
}
+static inline void nsl_set_dpa(struct nvdimm_drvdata *ndd,
+ struct nd_namespace_label *nd_label, u64 dpa)
+{
+ nd_label->dpa = __cpu_to_le64(dpa);
+}
+
static inline u64 nsl_get_rawsize(struct nvdimm_drvdata *ndd,
struct nd_namespace_label *nd_label)
{
return __le64_to_cpu(nd_label->rawsize);
}
+static inline void nsl_set_rawsize(struct nvdimm_drvdata *ndd,
+ struct nd_namespace_label *nd_label,
+ u64 rawsize)
+{
+ nd_label->rawsize = __cpu_to_le64(rawsize);
+}
+
static inline u64 nsl_get_isetcookie(struct nvdimm_drvdata *ndd,
struct nd_namespace_label *nd_label)
{
return __le64_to_cpu(nd_label->isetcookie);
}
+static inline void nsl_set_isetcookie(struct nvdimm_drvdata *ndd,
+ struct nd_namespace_label *nd_label,
+ u64 isetcookie)
+{
+ nd_label->isetcookie = __cpu_to_le64(isetcookie);
+}
+
static inline bool nsl_validate_isetcookie(struct nvdimm_drvdata *ndd,
struct nd_namespace_label *nd_label,
u64 cookie)
@@ -96,18 +143,40 @@ static inline u16 nsl_get_position(struct nvdimm_drvdata *ndd,
return __le16_to_cpu(nd_label->position);
}
+static inline void nsl_set_position(struct nvdimm_drvdata *ndd,
+ struct nd_namespace_label *nd_label,
+ u16 position)
+{
+ nd_label->position = __cpu_to_le16(position);
+}
+
+
static inline u16 nsl_get_nlabel(struct nvdimm_drvdata *ndd,
struct nd_namespace_label *nd_label)
{
return __le16_to_cpu(nd_label->nlabel);
}
+static inline void nsl_set_nlabel(struct nvdimm_drvdata *ndd,
+ struct nd_namespace_label *nd_label,
+ u16 nlabel)
+{
+ nd_label->nlabel = __cpu_to_le16(nlabel);
+}
+
static inline u64 nsl_get_lbasize(struct nvdimm_drvdata *ndd,
struct nd_namespace_label *nd_label)
{
return __le64_to_cpu(nd_label->lbasize);
}
+static inline void nsl_set_lbasize(struct nvdimm_drvdata *ndd,
+ struct nd_namespace_label *nd_label,
+ u64 lbasize)
+{
+ nd_label->lbasize = __cpu_to_le64(lbasize);
+}
+
struct nd_region_data {
int ns_count;
int ns_active;
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