diff options
Diffstat (limited to 'drivers/misc/mei/main.c')
-rw-r--r-- | drivers/misc/mei/main.c | 30 |
1 files changed, 29 insertions, 1 deletions
diff --git a/drivers/misc/mei/main.c b/drivers/misc/mei/main.c index 7465f17e1559..f690918f7817 100644 --- a/drivers/misc/mei/main.c +++ b/drivers/misc/mei/main.c @@ -1,7 +1,7 @@ /* * * Intel Management Engine Interface (Intel MEI) Linux driver - * Copyright (c) 2003-2012, Intel Corporation. + * Copyright (c) 2003-2018, Intel Corporation. * * This program is free software; you can redistribute it and/or modify it * under the terms and conditions of the GNU General Public License, @@ -812,11 +812,39 @@ static ssize_t tx_queue_limit_store(struct device *device, } static DEVICE_ATTR_RW(tx_queue_limit); +/** + * fw_ver_show - display ME FW version + * + * @device: device pointer + * @attr: attribute pointer + * @buf: char out buffer + * + * Return: number of the bytes printed into buf or error + */ +static ssize_t fw_ver_show(struct device *device, + struct device_attribute *attr, char *buf) +{ + struct mei_device *dev = dev_get_drvdata(device); + struct mei_fw_version *ver; + ssize_t cnt = 0; + int i; + + ver = dev->fw_ver; + + for (i = 0; i < MEI_MAX_FW_VER_BLOCKS; i++) + cnt += scnprintf(buf + cnt, PAGE_SIZE - cnt, "%u:%u.%u.%u.%u\n", + ver[i].platform, ver[i].major, ver[i].minor, + ver[i].hotfix, ver[i].buildno); + return cnt; +} +static DEVICE_ATTR_RO(fw_ver); + static struct attribute *mei_attrs[] = { &dev_attr_fw_status.attr, &dev_attr_hbm_ver.attr, &dev_attr_hbm_ver_drv.attr, &dev_attr_tx_queue_limit.attr, + &dev_attr_fw_ver.attr, NULL }; ATTRIBUTE_GROUPS(mei); |