summaryrefslogtreecommitdiff
diff options
context:
space:
mode:
-rw-r--r--drivers/lightnvm/core.c4
-rw-r--r--drivers/nvme/host/lightnvm.c25
-rw-r--r--include/linux/lightnvm.h3
3 files changed, 24 insertions, 8 deletions
diff --git a/drivers/lightnvm/core.c b/drivers/lightnvm/core.c
index 9dec936ac1dc..103e0ad9622c 100644
--- a/drivers/lightnvm/core.c
+++ b/drivers/lightnvm/core.c
@@ -890,8 +890,8 @@ static int nvm_init(struct nvm_dev *dev)
goto err;
}
- pr_debug("nvm: ver:%u nvm_vendor:%x\n",
- geo->ver_id,
+ pr_debug("nvm: ver:%u.%u nvm_vendor:%x\n",
+ geo->major_ver_id, geo->minor_ver_id,
geo->vmnt);
ret = nvm_core_init(dev);
diff --git a/drivers/nvme/host/lightnvm.c b/drivers/nvme/host/lightnvm.c
index 29c8f44eb25b..de4105544956 100644
--- a/drivers/nvme/host/lightnvm.c
+++ b/drivers/nvme/host/lightnvm.c
@@ -295,7 +295,9 @@ static int nvme_nvm_setup_12(struct nvme_nvm_id12 *id,
return -EINVAL;
}
- geo->ver_id = id->ver_id;
+ /* 1.2 spec. only reports a single version id - unfold */
+ geo->major_ver_id = id->ver_id;
+ geo->minor_ver_id = 2;
geo->nr_chnls = src->num_ch;
geo->nr_luns = src->num_lun;
@@ -379,7 +381,14 @@ static void nvme_nvm_set_addr_20(struct nvm_addrf *dst,
static int nvme_nvm_setup_20(struct nvme_nvm_id20 *id,
struct nvm_geo *geo)
{
- geo->ver_id = id->mjr;
+ geo->major_ver_id = id->mjr;
+ geo->minor_ver_id = id->mnr;
+
+ if (!(geo->major_ver_id == 2 && geo->minor_ver_id == 0)) {
+ pr_err("nvm: OCSSD version not supported (v%d.%d)\n",
+ geo->major_ver_id, geo->minor_ver_id);
+ return -EINVAL;
+ }
geo->nr_chnls = le16_to_cpu(id->num_grp);
geo->nr_luns = le16_to_cpu(id->num_pu);
@@ -914,7 +923,13 @@ static ssize_t nvm_dev_attr_show(struct device *dev,
attr = &dattr->attr;
if (strcmp(attr->name, "version") == 0) {
- return scnprintf(page, PAGE_SIZE, "%u\n", geo->ver_id);
+ if (geo->major_ver_id == 1)
+ return scnprintf(page, PAGE_SIZE, "%u\n",
+ geo->major_ver_id);
+ else
+ return scnprintf(page, PAGE_SIZE, "%u.%u\n",
+ geo->major_ver_id,
+ geo->minor_ver_id);
} else if (strcmp(attr->name, "capabilities") == 0) {
return scnprintf(page, PAGE_SIZE, "%u\n", geo->cap);
} else if (strcmp(attr->name, "read_typ") == 0) {
@@ -1167,7 +1182,7 @@ int nvme_nvm_register_sysfs(struct nvme_ns *ns)
if (!ndev)
return -EINVAL;
- switch (geo->ver_id) {
+ switch (geo->major_ver_id) {
case 1:
return sysfs_create_group(&disk_to_dev(ns->disk)->kobj,
&nvm_dev_attr_group_12);
@@ -1184,7 +1199,7 @@ void nvme_nvm_unregister_sysfs(struct nvme_ns *ns)
struct nvm_dev *ndev = ns->ndev;
struct nvm_geo *geo = &ndev->geo;
- switch (geo->ver_id) {
+ switch (geo->major_ver_id) {
case 1:
sysfs_remove_group(&disk_to_dev(ns->disk)->kobj,
&nvm_dev_attr_group_12);
diff --git a/include/linux/lightnvm.h b/include/linux/lightnvm.h
index 6e650563b379..7ed8b92d6744 100644
--- a/include/linux/lightnvm.h
+++ b/include/linux/lightnvm.h
@@ -263,7 +263,8 @@ enum {
/* Instance geometry */
struct nvm_geo {
/* device reported version */
- u8 ver_id;
+ u8 major_ver_id;
+ u8 minor_ver_id;
/* instance specific geometry */
int nr_chnls;