Reads the message_count file corresponding the ipmi device, ipmi traverse all intf, and count the number of message and high priority message.
Signed-off-by: Chen Guanqiao <[email protected]> --- drivers/char/ipmi/ipmi_msghandler.c | 44 +++++++++++++++++++++++++++++ 1 file changed, 44 insertions(+) diff --git a/drivers/char/ipmi/ipmi_msghandler.c b/drivers/char/ipmi/ipmi_msghandler.c index e14beb51cae4..0238be81c435 100644 --- a/drivers/char/ipmi/ipmi_msghandler.c +++ b/drivers/char/ipmi/ipmi_msghandler.c @@ -2729,6 +2729,38 @@ static unsigned int get_user_count(void) return total_count; } +static void get_msg_count(unsigned int *hp_count, unsigned int *count) +{ + struct ipmi_smi *intf; + int index; + int hp_msg_count = 0, msg_count = 0; + + index = srcu_read_lock(&ipmi_interfaces_srcu); + list_for_each_entry_rcu(intf, &ipmi_interfaces, link) { + struct ipmi_smi_msg *msg; + unsigned long flags; + int run_to_completion = intf->run_to_completion; + + rcu_read_lock(); + if (!run_to_completion) + spin_lock_irqsave(&intf->xmit_msgs_lock, flags); + if (!intf->in_shutdown) { + list_for_each_entry(msg, &intf->hp_xmit_msgs, link) + hp_msg_count++; + + list_for_each_entry(msg, &intf->xmit_msgs, link) + msg_count++; + } + if (!run_to_completion) + spin_unlock_irqrestore(&intf->xmit_msgs_lock, flags); + rcu_read_unlock(); + } + srcu_read_unlock(&ipmi_interfaces_srcu, index); + + *hp_count = msg_count; + *count = hp_msg_count; +} + static ssize_t device_id_show(struct device *dev, struct device_attribute *attr, char *buf) @@ -2907,6 +2939,17 @@ static ssize_t user_count_show(struct device *dev, } static DEVICE_ATTR_ADMIN_RO(user_count); +static ssize_t msg_count_show(struct device *dev, struct device_attribute *attr, + char *buf) +{ + unsigned int hp_count, count; + + get_msg_count(&hp_count, &count); + + return snprintf(buf, 40, "hp msg:%u, msg:%u\n", hp_count, count); +} +static DEVICE_ATTR_ADMIN_RO(msg_count); + static struct attribute *bmc_dev_attrs[] = { &dev_attr_device_id.attr, &dev_attr_provides_device_sdrs.attr, @@ -2919,6 +2962,7 @@ static struct attribute *bmc_dev_attrs[] = { &dev_attr_aux_firmware_revision.attr, &dev_attr_guid.attr, &dev_attr_user_count.attr, + &dev_attr_msg_count.attr, NULL }; -- 2.25.1 _______________________________________________ Openipmi-developer mailing list [email protected] https://lists.sourceforge.net/lists/listinfo/openipmi-developer
