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path: root/drivers/nvdimm/namespace_devs.c
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Diffstat (limited to 'drivers/nvdimm/namespace_devs.c')
-rw-r--r--drivers/nvdimm/namespace_devs.c113
1 files changed, 44 insertions, 69 deletions
diff --git a/drivers/nvdimm/namespace_devs.c b/drivers/nvdimm/namespace_devs.c
index 745478213ff2..4cec171c934d 100644
--- a/drivers/nvdimm/namespace_devs.c
+++ b/drivers/nvdimm/namespace_devs.c
@@ -1235,7 +1235,7 @@ static int namespace_update_uuid(struct nd_region *nd_region,
if (!nd_label)
continue;
nd_label_gen_id(&label_id, nd_label->uuid,
- __le32_to_cpu(nd_label->flags));
+ nsl_get_flags(ndd, nd_label));
if (strcmp(old_label_id.id, label_id.id) == 0)
set_bit(ND_LABEL_REAP, &label_ent->flags);
}
@@ -1847,28 +1847,21 @@ static bool has_uuid_at_pos(struct nd_region *nd_region, u8 *uuid,
list_for_each_entry(label_ent, &nd_mapping->labels, list) {
struct nd_namespace_label *nd_label = label_ent->label;
u16 position, nlabel;
- u64 isetcookie;
if (!nd_label)
continue;
- isetcookie = __le64_to_cpu(nd_label->isetcookie);
- position = __le16_to_cpu(nd_label->position);
- nlabel = __le16_to_cpu(nd_label->nlabel);
+ position = nsl_get_position(ndd, nd_label);
+ nlabel = nsl_get_nlabel(ndd, nd_label);
- if (isetcookie != cookie)
+ if (!nsl_validate_isetcookie(ndd, nd_label, cookie))
continue;
if (memcmp(nd_label->uuid, uuid, NSLABEL_UUID_LEN) != 0)
continue;
- if (namespace_label_has(ndd, type_guid)
- && !guid_equal(&nd_set->type_guid,
- &nd_label->type_guid)) {
- dev_dbg(ndd->dev, "expect type_guid %pUb got %pUb\n",
- &nd_set->type_guid,
- &nd_label->type_guid);
+ if (!nsl_validate_type_guid(ndd, nd_label,
+ &nd_set->type_guid))
continue;
- }
if (found_uuid) {
dev_dbg(ndd->dev, "duplicate entry for uuid\n");
@@ -1923,8 +1916,8 @@ static int select_pmem_id(struct nd_region *nd_region, u8 *pmem_id)
*/
hw_start = nd_mapping->start;
hw_end = hw_start + nd_mapping->size;
- pmem_start = __le64_to_cpu(nd_label->dpa);
- pmem_end = pmem_start + __le64_to_cpu(nd_label->rawsize);
+ pmem_start = nsl_get_dpa(ndd, nd_label);
+ pmem_end = pmem_start + nsl_get_rawsize(ndd, nd_label);
if (pmem_start >= hw_start && pmem_start < hw_end
&& pmem_end <= hw_end && pmem_end > hw_start)
/* pass */;
@@ -1947,14 +1940,16 @@ static int select_pmem_id(struct nd_region *nd_region, u8 *pmem_id)
* @nd_label: target pmem namespace label to evaluate
*/
static struct device *create_namespace_pmem(struct nd_region *nd_region,
- struct nd_namespace_index *nsindex,
- struct nd_namespace_label *nd_label)
+ struct nd_mapping *nd_mapping,
+ struct nd_namespace_label *nd_label)
{
+ struct nvdimm_drvdata *ndd = to_ndd(nd_mapping);
+ struct nd_namespace_index *nsindex =
+ to_namespace_index(ndd, ndd->ns_current);
u64 cookie = nd_region_interleave_set_cookie(nd_region, nsindex);
u64 altcookie = nd_region_interleave_set_altcookie(nd_region);
struct nd_label_ent *label_ent;
struct nd_namespace_pmem *nspm;
- struct nd_mapping *nd_mapping;
resource_size_t size = 0;
struct resource *res;
struct device *dev;
@@ -1966,10 +1961,10 @@ static struct device *create_namespace_pmem(struct nd_region *nd_region,
return ERR_PTR(-ENXIO);
}
- if (__le64_to_cpu(nd_label->isetcookie) != cookie) {
+ if (!nsl_validate_isetcookie(ndd, nd_label, cookie)) {
dev_dbg(&nd_region->dev, "invalid cookie in label: %pUb\n",
nd_label->uuid);
- if (__le64_to_cpu(nd_label->isetcookie) != altcookie)
+ if (!nsl_validate_isetcookie(ndd, nd_label, altcookie))
return ERR_PTR(-EAGAIN);
dev_dbg(&nd_region->dev, "valid altcookie in label: %pUb\n",
@@ -2037,20 +2032,18 @@ static struct device *create_namespace_pmem(struct nd_region *nd_region,
continue;
}
- size += __le64_to_cpu(label0->rawsize);
- if (__le16_to_cpu(label0->position) != 0)
+ ndd = to_ndd(nd_mapping);
+ size += nsl_get_rawsize(ndd, label0);
+ if (nsl_get_position(ndd, label0) != 0)
continue;
WARN_ON(nspm->alt_name || nspm->uuid);
- nspm->alt_name = kmemdup((void __force *) label0->name,
- NSLABEL_NAME_LEN, GFP_KERNEL);
+ nspm->alt_name = kmemdup(nsl_ref_name(ndd, label0),
+ NSLABEL_NAME_LEN, GFP_KERNEL);
nspm->uuid = kmemdup((void __force *) label0->uuid,
NSLABEL_UUID_LEN, GFP_KERNEL);
- nspm->lbasize = __le64_to_cpu(label0->lbasize);
- ndd = to_ndd(nd_mapping);
- if (namespace_label_has(ndd, abstraction_guid))
- nspm->nsio.common.claim_class
- = to_nvdimm_cclass(&label0->abstraction_guid);
-
+ nspm->lbasize = nsl_get_lbasize(ndd, label0);
+ nspm->nsio.common.claim_class =
+ nsl_get_claim_class(ndd, label0);
}
if (!nspm->alt_name || !nspm->uuid) {
@@ -2237,7 +2230,7 @@ static int add_namespace_resource(struct nd_region *nd_region,
if (is_namespace_blk(devs[i])) {
res = nsblk_add_resource(nd_region, ndd,
to_nd_namespace_blk(devs[i]),
- __le64_to_cpu(nd_label->dpa));
+ nsl_get_dpa(ndd, nd_label));
if (!res)
return -ENXIO;
nd_dbg_dpa(nd_region, ndd, res, "%d assign\n", count);
@@ -2265,21 +2258,10 @@ static struct device *create_namespace_blk(struct nd_region *nd_region,
struct device *dev = NULL;
struct resource *res;
- if (namespace_label_has(ndd, type_guid)) {
- if (!guid_equal(&nd_set->type_guid, &nd_label->type_guid)) {
- dev_dbg(ndd->dev, "expect type_guid %pUb got %pUb\n",
- &nd_set->type_guid,
- &nd_label->type_guid);
- return ERR_PTR(-EAGAIN);
- }
-
- if (nd_label->isetcookie != __cpu_to_le64(nd_set->cookie2)) {
- dev_dbg(ndd->dev, "expect cookie %#llx got %#llx\n",
- nd_set->cookie2,
- __le64_to_cpu(nd_label->isetcookie));
- return ERR_PTR(-EAGAIN);
- }
- }
+ if (!nsl_validate_type_guid(ndd, nd_label, &nd_set->type_guid))
+ return ERR_PTR(-EAGAIN);
+ if (!nsl_validate_blk_isetcookie(ndd, nd_label, nd_set->cookie2))
+ return ERR_PTR(-EAGAIN);
nsblk = kzalloc(sizeof(*nsblk), GFP_KERNEL);
if (!nsblk)
@@ -2288,23 +2270,19 @@ static struct device *create_namespace_blk(struct nd_region *nd_region,
dev->type = &namespace_blk_device_type;
dev->parent = &nd_region->dev;
nsblk->id = -1;
- nsblk->lbasize = __le64_to_cpu(nd_label->lbasize);
- nsblk->uuid = kmemdup(nd_label->uuid, NSLABEL_UUID_LEN,
- GFP_KERNEL);
- if (namespace_label_has(ndd, abstraction_guid))
- nsblk->common.claim_class
- = to_nvdimm_cclass(&nd_label->abstraction_guid);
+ nsblk->lbasize = nsl_get_lbasize(ndd, nd_label);
+ nsblk->uuid = kmemdup(nd_label->uuid, NSLABEL_UUID_LEN, GFP_KERNEL);
+ nsblk->common.claim_class = nsl_get_claim_class(ndd, nd_label);
if (!nsblk->uuid)
goto blk_err;
- memcpy(name, nd_label->name, NSLABEL_NAME_LEN);
+ nsl_get_name(ndd, nd_label, name);
if (name[0]) {
- nsblk->alt_name = kmemdup(name, NSLABEL_NAME_LEN,
- GFP_KERNEL);
+ nsblk->alt_name = kmemdup(name, NSLABEL_NAME_LEN, GFP_KERNEL);
if (!nsblk->alt_name)
goto blk_err;
}
res = nsblk_add_resource(nd_region, ndd, nsblk,
- __le64_to_cpu(nd_label->dpa));
+ nsl_get_dpa(ndd, nd_label));
if (!res)
goto blk_err;
nd_dbg_dpa(nd_region, ndd, res, "%d: assign\n", count);
@@ -2345,6 +2323,7 @@ static struct device **scan_labels(struct nd_region *nd_region)
struct device *dev, **devs = NULL;
struct nd_label_ent *label_ent, *e;
struct nd_mapping *nd_mapping = &nd_region->mapping[0];
+ struct nvdimm_drvdata *ndd = to_ndd(nd_mapping);
resource_size_t map_end = nd_mapping->start + nd_mapping->size - 1;
/* "safe" because create_namespace_pmem() might list_move() label_ent */
@@ -2355,7 +2334,7 @@ static struct device **scan_labels(struct nd_region *nd_region)
if (!nd_label)
continue;
- flags = __le32_to_cpu(nd_label->flags);
+ flags = nsl_get_flags(ndd, nd_label);
if (is_nd_blk(&nd_region->dev)
== !!(flags & NSLABEL_FLAG_LOCAL))
/* pass, region matches label type */;
@@ -2363,9 +2342,9 @@ static struct device **scan_labels(struct nd_region *nd_region)
continue;
/* skip labels that describe extents outside of the region */
- if (__le64_to_cpu(nd_label->dpa) < nd_mapping->start ||
- __le64_to_cpu(nd_label->dpa) > map_end)
- continue;
+ if (nsl_get_dpa(ndd, nd_label) < nd_mapping->start ||
+ nsl_get_dpa(ndd, nd_label) > map_end)
+ continue;
i = add_namespace_resource(nd_region, nd_label, devs, count);
if (i < 0)
@@ -2381,13 +2360,9 @@ static struct device **scan_labels(struct nd_region *nd_region)
if (is_nd_blk(&nd_region->dev))
dev = create_namespace_blk(nd_region, nd_label, count);
- else {
- struct nvdimm_drvdata *ndd = to_ndd(nd_mapping);
- struct nd_namespace_index *nsindex;
-
- nsindex = to_namespace_index(ndd, ndd->ns_current);
- dev = create_namespace_pmem(nd_region, nsindex, nd_label);
- }
+ else
+ dev = create_namespace_pmem(nd_region, nd_mapping,
+ nd_label);
if (IS_ERR(dev)) {
switch (PTR_ERR(dev)) {
@@ -2571,10 +2546,10 @@ static int init_active_labels(struct nd_region *nd_region)
break;
label = nd_label_active(ndd, j);
if (test_bit(NDD_NOBLK, &nvdimm->flags)) {
- u32 flags = __le32_to_cpu(label->flags);
+ 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;