diff options
| author | Tomas Winkler <tomas.winkler@intel.com> | 2018-07-31 09:35:36 +0300 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2018-08-02 11:18:30 +0300 |
| commit | c2bd9fc13d0ca1926bfd8b8e6d88f93d84a51f2a (patch) | |
| tree | 929555810f197c6c7b94d018ad28e84500579d05 /drivers/misc/mei/hw.h | |
| parent | 9d89ddfc624649e200aeec57912635dbe259d07b (diff) | |
| download | linux-c2bd9fc13d0ca1926bfd8b8e6d88f93d84a51f2a.tar.xz | |
mei: restrict dma ring support to hbm version 2.1
Only a firmware with version 2.1 and above supports dma ring feature.
Signed-off-by: Tomas Winkler <tomas.winkler@intel.com>
Signed-off-by: Alexander Usyskin <alexander.usyskin@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 | 6 |
1 files changed, 6 insertions, 0 deletions
diff --git a/drivers/misc/mei/hw.h b/drivers/misc/mei/hw.h index 5fb8844a6db5..65655925791a 100644 --- a/drivers/misc/mei/hw.h +++ b/drivers/misc/mei/hw.h @@ -80,6 +80,12 @@ #define HBM_MINOR_VERSION_OS 0 #define HBM_MAJOR_VERSION_OS 2 +/* + * MEI version with dma ring support + */ +#define HBM_MINOR_VERSION_DR 1 +#define HBM_MAJOR_VERSION_DR 2 + /* Host bus message command opcode */ #define MEI_HBM_CMD_OP_MSK 0x7f /* Host bus message command RESPONSE */ |