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| author | Alexander Usyskin <alexander.usyskin@intel.com> | 2020-08-18 14:51:37 +0300 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2020-08-18 16:44:43 +0300 |
| commit | 2dd1e5ae8c96f1262ce81d0e77225281ae55eb3d (patch) | |
| tree | 8b617c93b302e7ad436133f7638c8d60b76b4518 /drivers/misc/mei/hw.h | |
| parent | beb4e1e50311eeb65009cded71c02f3826fa314f (diff) | |
| download | linux-2dd1e5ae8c96f1262ce81d0e77225281ae55eb3d.tar.xz | |
mei: add vtag support bit in client properties
Vtag support is on a client basis, meaning not every client
supports it. The vtag capability is communicated via the client properties
structure during client enumeration process.
Export the propertiy via sysfs.
Signed-off-by: Alexander Usyskin <alexander.usyskin@intel.com>
Signed-off-by: Tomas Winkler <tomas.winkler@intel.com>
Link: https://lore.kernel.org/r/20200818115147.2567012-4-tomas.winkler@intel.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Diffstat (limited to 'drivers/misc/mei/hw.h')
| -rw-r--r-- | drivers/misc/mei/hw.h | 15 |
1 files changed, 14 insertions, 1 deletions
diff --git a/drivers/misc/mei/hw.h b/drivers/misc/mei/hw.h index 13e4cb68a0e6..ea0a2e459282 100644 --- a/drivers/misc/mei/hw.h +++ b/drivers/misc/mei/hw.h @@ -314,13 +314,26 @@ struct hbm_host_enum_response { u8 valid_addresses[32]; } __packed; +/** + * struct mei_client_properties - mei client properties + * + * @protocol_name: guid of the client + * @protocol_version: client protocol version + * @max_number_of_connections: number of possible connections. + * @fixed_address: fixed me address (0 if the client is dynamic) + * @single_recv_buf: 1 if all connections share a single receive buffer. + * @vt_supported: the client support vtag + * @reserved: reserved + * @max_msg_length: MTU of the client + */ struct mei_client_properties { uuid_le protocol_name; u8 protocol_version; u8 max_number_of_connections; u8 fixed_address; u8 single_recv_buf:1; - u8 reserved:7; + u8 vt_supported:1; + u8 reserved:6; u32 max_msg_length; } __packed; |