diff options
| author | Tomas Winkler <tomas.winkler@intel.com> | 2018-11-22 13:11:37 +0200 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2018-11-26 16:59:48 +0100 |
| commit | c55bf542e91b5c9156d57fd0461aa257b7d20858 (patch) | |
| tree | a388da4f3db580ee985fe912a6d22144566a7f9d /drivers/misc/mei/hbm.h | |
| parent | ce0925e8c2f85f6bbf5d24b56621336cceaf743d (diff) | |
mei: hbm: setup dma ring
DMA ring is allocated upon HBM handshake and the ring parameters are set
via dedicated HBM_DMA_SETUP request command. The firmware will perform
its setup and respond with a status. On failure the DMA buffers are
released.
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/hbm.h')
| -rw-r--r-- | drivers/misc/mei/hbm.h | 2 |
1 files changed, 2 insertions, 0 deletions
diff --git a/drivers/misc/mei/hbm.h b/drivers/misc/mei/hbm.h index a2025a5083a3..0171a7e79bab 100644 --- a/drivers/misc/mei/hbm.h +++ b/drivers/misc/mei/hbm.h @@ -26,6 +26,7 @@ struct mei_cl; * * @MEI_HBM_IDLE : protocol not started * @MEI_HBM_STARTING : start request message was sent + * @MEI_HBM_DR_SETUP : dma ring setup request message was sent * @MEI_HBM_ENUM_CLIENTS : enumeration request was sent * @MEI_HBM_CLIENT_PROPERTIES : acquiring clients properties * @MEI_HBM_STARTED : enumeration was completed @@ -34,6 +35,7 @@ struct mei_cl; enum mei_hbm_state { MEI_HBM_IDLE = 0, MEI_HBM_STARTING, + MEI_HBM_DR_SETUP, MEI_HBM_ENUM_CLIENTS, MEI_HBM_CLIENT_PROPERTIES, MEI_HBM_STARTED, |