diff options
Diffstat (limited to 'drivers/nvme/target/configfs.c')
| -rw-r--r-- | drivers/nvme/target/configfs.c | 31 |
1 files changed, 31 insertions, 0 deletions
diff --git a/drivers/nvme/target/configfs.c b/drivers/nvme/target/configfs.c index fee56b3a23bc..3ba5ea5c4376 100644 --- a/drivers/nvme/target/configfs.c +++ b/drivers/nvme/target/configfs.c @@ -218,6 +218,35 @@ static ssize_t nvmet_addr_trsvcid_store(struct config_item *item, CONFIGFS_ATTR(nvmet_, addr_trsvcid); +static ssize_t nvmet_param_inline_data_size_show(struct config_item *item, + char *page) +{ + struct nvmet_port *port = to_nvmet_port(item); + + return snprintf(page, PAGE_SIZE, "%d\n", port->inline_data_size); +} + +static ssize_t nvmet_param_inline_data_size_store(struct config_item *item, + const char *page, size_t count) +{ + struct nvmet_port *port = to_nvmet_port(item); + int ret; + + if (port->enabled) { + pr_err("Cannot modify inline_data_size while port enabled\n"); + pr_err("Disable the port before modifying\n"); + return -EACCES; + } + ret = kstrtoint(page, 0, &port->inline_data_size); + if (ret) { + pr_err("Invalid value '%s' for inline_data_size\n", page); + return -EINVAL; + } + return count; +} + +CONFIGFS_ATTR(nvmet_, param_inline_data_size); + static ssize_t nvmet_addr_trtype_show(struct config_item *item, char *page) { @@ -903,6 +932,7 @@ static struct configfs_attribute *nvmet_port_attrs[] = { &nvmet_attr_addr_traddr, &nvmet_attr_addr_trsvcid, &nvmet_attr_addr_trtype, + &nvmet_attr_param_inline_data_size, NULL, }; @@ -932,6 +962,7 @@ static struct config_group *nvmet_ports_make(struct config_group *group, INIT_LIST_HEAD(&port->entry); INIT_LIST_HEAD(&port->subsystems); INIT_LIST_HEAD(&port->referrals); + port->inline_data_size = -1; /* < 0 == let the transport choose */ port->disc_addr.portid = cpu_to_le16(portid); config_group_init_type_name(&port->group, name, &nvmet_port_type); |