Commit 62711847 authored by Corey Minyard's avatar Corey Minyard
Browse files

ipmi: Add a maintenance mode sysfs file



So you can see if it's in maintenance mode and see how long is left.

Signed-off-by: default avatarCorey Minyard <corey@minyard.net>
Tested-by: default avatarFrederick Lawler <fred@cloudflare.com>
parent 30f6c9d5
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+23 −0
Original line number Diff line number Diff line
@@ -434,6 +434,7 @@ struct ipmi_smi {
	atomic_t nr_users;
	struct device_attribute nr_users_devattr;
	struct device_attribute nr_msgs_devattr;
	struct device_attribute maintenance_mode_devattr;


	/* Used for wake ups at startup. */
@@ -3521,6 +3522,19 @@ static ssize_t nr_msgs_show(struct device *dev,
}
static DEVICE_ATTR_RO(nr_msgs);

static ssize_t maintenance_mode_show(struct device *dev,
				     struct device_attribute *attr,
				     char *buf)
{
	struct ipmi_smi *intf = container_of(attr,
					     struct ipmi_smi,
					     maintenance_mode_devattr);

	return sysfs_emit(buf, "%u %d\n", intf->maintenance_mode_state,
			  intf->auto_maintenance_timeout);
}
static DEVICE_ATTR_RO(maintenance_mode);

static void redo_bmc_reg(struct work_struct *work)
{
	struct ipmi_smi *intf = container_of(work, struct ipmi_smi,
@@ -3657,6 +3671,14 @@ int ipmi_add_smi(struct module *owner,
		goto out_err_bmc_reg;
	}

	intf->maintenance_mode_devattr = dev_attr_maintenance_mode;
	sysfs_attr_init(&intf->maintenance_mode_devattr.attr);
	rv = device_create_file(intf->si_dev, &intf->maintenance_mode_devattr);
	if (rv) {
		device_remove_file(intf->si_dev, &intf->nr_users_devattr);
		goto out_err_bmc_reg;
	}

	intf->intf_num = i;
	mutex_unlock(&ipmi_interfaces_mutex);

@@ -3764,6 +3786,7 @@ void ipmi_unregister_smi(struct ipmi_smi *intf)
	if (intf->handlers->shutdown)
		intf->handlers->shutdown(intf->send_info);

	device_remove_file(intf->si_dev, &intf->maintenance_mode_devattr);
	device_remove_file(intf->si_dev, &intf->nr_msgs_devattr);
	device_remove_file(intf->si_dev, &intf->nr_users_devattr);