diff options
| author | Alexander Usyskin <alexander.usyskin@intel.com> | 2018-06-25 00:11:41 +0300 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2018-07-03 14:11:20 +0300 |
| commit | 3cfaeb33530592b02b2ceb76b379364c55ca612e (patch) | |
| tree | 16b29db30b99b2a233b0817a6f694d6c15bf02b0 /drivers/misc/mei/mei_dev.h | |
| parent | 9a7c0b69b6e765c655133ef530876aea3da71d58 (diff) | |
| download | linux-3cfaeb33530592b02b2ceb76b379364c55ca612e.tar.xz | |
mei: expose fw version to sysfs
The ME FW version is constantly used by detection and update tools.
To improve the reliability and simplify these tools provide
a sysfs interface to access version of the platform ME firmware
in the following format:
<platform>:<major>.<minor>.<milestone>.<build>.
There can be up to three such blocks for different FW components.
Signed-off-by: Alexander Usyskin <alexander.usyskin@intel.com>
Signed-off-by: Tomas Winkler <tomas.winkler@intel.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Diffstat (limited to 'drivers/misc/mei/mei_dev.h')
| -rw-r--r-- | drivers/misc/mei/mei_dev.h | 25 |
1 files changed, 24 insertions, 1 deletions
diff --git a/drivers/misc/mei/mei_dev.h b/drivers/misc/mei/mei_dev.h index 4058ab5ad2d8..d522585b71b7 100644 --- a/drivers/misc/mei/mei_dev.h +++ b/drivers/misc/mei/mei_dev.h @@ -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, @@ -355,6 +355,25 @@ enum mei_pg_state { const char *mei_pg_state_str(enum mei_pg_state state); /** + * struct mei_fw_version - MEI FW version struct + * + * @platform: platform identifier + * @major: major version field + * @minor: minor version field + * @buildno: build number version field + * @hotfix: hotfix number version field + */ +struct mei_fw_version { + u8 platform; + u8 major; + u16 minor; + u16 buildno; + u16 hotfix; +}; + +#define MEI_MAX_FW_VER_BLOCKS 3 + +/** * struct mei_device - MEI private device struct * * @dev : device on a bus @@ -402,6 +421,8 @@ const char *mei_pg_state_str(enum mei_pg_state state); * @hbm_f_ie_supported : hbm feature immediate reply to enum request * @hbm_f_os_supported : hbm feature support OS ver message * + * @fw_ver : FW versions + * * @me_clients_rwsem: rw lock over me_clients list * @me_clients : list of FW clients * @me_clients_map : FW clients bit map @@ -478,6 +499,8 @@ struct mei_device { unsigned int hbm_f_ie_supported:1; unsigned int hbm_f_os_supported:1; + struct mei_fw_version fw_ver[MEI_MAX_FW_VER_BLOCKS]; + struct rw_semaphore me_clients_rwsem; struct list_head me_clients; DECLARE_BITMAP(me_clients_map, MEI_CLIENTS_MAX); |