diff options
Diffstat (limited to 'drivers/nvme/target/configfs.c')
| -rw-r--r-- | drivers/nvme/target/configfs.c | 30 |
1 files changed, 26 insertions, 4 deletions
diff --git a/drivers/nvme/target/configfs.c b/drivers/nvme/target/configfs.c index a358ecd93e11..0a0067e771f5 100644 --- a/drivers/nvme/target/configfs.c +++ b/drivers/nvme/target/configfs.c @@ -650,7 +650,7 @@ out_unlock: CONFIGFS_ATTR(nvmet_subsys_, attr_allow_any_host); -static ssize_t nvmet_subsys_version_show(struct config_item *item, +static ssize_t nvmet_subsys_attr_version_show(struct config_item *item, char *page) { struct nvmet_subsys *subsys = to_subsys(item); @@ -666,7 +666,7 @@ static ssize_t nvmet_subsys_version_show(struct config_item *item, (int)NVME_MINOR(subsys->ver)); } -static ssize_t nvmet_subsys_version_store(struct config_item *item, +static ssize_t nvmet_subsys_attr_version_store(struct config_item *item, const char *page, size_t count) { struct nvmet_subsys *subsys = to_subsys(item); @@ -684,11 +684,33 @@ static ssize_t nvmet_subsys_version_store(struct config_item *item, return count; } -CONFIGFS_ATTR(nvmet_subsys_, version); +CONFIGFS_ATTR(nvmet_subsys_, attr_version); + +static ssize_t nvmet_subsys_attr_serial_show(struct config_item *item, + char *page) +{ + struct nvmet_subsys *subsys = to_subsys(item); + + return snprintf(page, PAGE_SIZE, "%llx\n", subsys->serial); +} + +static ssize_t nvmet_subsys_attr_serial_store(struct config_item *item, + const char *page, size_t count) +{ + struct nvmet_subsys *subsys = to_subsys(item); + + down_write(&nvmet_config_sem); + sscanf(page, "%llx\n", &subsys->serial); + up_write(&nvmet_config_sem); + + return count; +} +CONFIGFS_ATTR(nvmet_subsys_, attr_serial); static struct configfs_attribute *nvmet_subsys_attrs[] = { &nvmet_subsys_attr_attr_allow_any_host, - &nvmet_subsys_attr_version, + &nvmet_subsys_attr_attr_version, + &nvmet_subsys_attr_attr_serial, NULL, }; |