diff options
| -rw-r--r-- | drivers/lightnvm/core.c | 4 | ||||
| -rw-r--r-- | drivers/nvme/host/lightnvm.c | 25 | ||||
| -rw-r--r-- | include/linux/lightnvm.h | 3 |
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; |