diff options
| author |   Alexander Usyskin <alexander.usyskin@intel.com> | 2021-02-06 16:43:22 +0200 |
|---|---|---|
| committer |   Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2021-02-06 15:48:11 +0100 |
| commit | b7a4804129c7adb3ee9caf5505e3f91fb1467ec3 (patch) | |
| tree | 99c7460cfdedf9fdbed0a4aa328ba6ba962f6b64 /drivers/misc/mei/mei_dev.h | |
| parent | mei: allow clients on bus to communicate in remove callback (diff) | |
| download | linux-dev-b7a4804129c7adb3ee9caf5505e3f91fb1467ec3.tar.xz linux-dev-b7a4804129c7adb3ee9caf5505e3f91fb1467ec3.zip | |
mei: add support for client dma capability
Client DMA capability indicates whether the firmware supports setting up
a direct DMA channel between the host and me client.
The DMA capabilities are supported from firmware HBM version 2.2
and newer.
Signed-off-by: Alexander Usyskin <alexander.usyskin@intel.com>
Signed-off-by: Tomas Winkler <tomas.winkler@intel.com>
Link: https://lore.kernel.org/r/20210206144325.25682-3-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 | 2 |
1 files changed, 2 insertions, 0 deletions
diff --git a/drivers/misc/mei/mei_dev.h b/drivers/misc/mei/mei_dev.h index 585a6f615bf8..8ebd32cb2075 100644 --- a/drivers/misc/mei/mei_dev.h +++ b/drivers/misc/mei/mei_dev.h @@ -451,6 +451,7 @@ struct mei_fw_version { * @hbm_f_dr_supported : hbm feature dma ring supported * @hbm_f_vt_supported : hbm feature vtag supported * @hbm_f_cap_supported : hbm feature capabilities message supported + * @hbm_f_cd_supported : hbm feature client dma supported * * @fw_ver : FW versions * @@ -538,6 +539,7 @@ struct mei_device { unsigned int hbm_f_dr_supported:1; unsigned int hbm_f_vt_supported:1; unsigned int hbm_f_cap_supported:1; + unsigned int hbm_f_cd_supported:1; struct mei_fw_version fw_ver[MEI_MAX_FW_VER_BLOCKS]; |