diff options
| author | Alexander Usyskin <alexander.usyskin@intel.com> | 2021-02-06 16:43:24 +0200 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2021-02-06 15:48:11 +0100 |
| commit | 369aea84595189200a2e6b028f556a7efa0ec489 (patch) | |
| tree | e2ff0302ffdfd42be31883901a02fd83e9db623c /drivers/misc/mei/hbm.h | |
| parent | dfad8742a328598d52d8472ce34fac312f4a5acb (diff) | |
mei: implement client dma setup.
Implement HBM message protocol to setup and tear down
DMA buffer on behalf of an client. On top there DMA
buffer allocation and its life time management.
Signed-off-by: Alexander Usyskin <alexander.usyskin@intel.com>
Signed-off-by: Tomas Winkler <tomas.winkler@intel.com>
Link: https://lore.kernel.org/r/20210206144325.25682-5-tomas.winkler@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 | 4 |
1 files changed, 3 insertions, 1 deletions
diff --git a/drivers/misc/mei/hbm.h b/drivers/misc/mei/hbm.h index 4d95e38e4ddf..cd5b08ca34b6 100644 --- a/drivers/misc/mei/hbm.h +++ b/drivers/misc/mei/hbm.h @@ -10,6 +10,7 @@ struct mei_device; struct mei_msg_hdr; struct mei_cl; +struct mei_dma_data; /** * enum mei_hbm_state - host bus message protocol state @@ -51,6 +52,7 @@ int mei_hbm_pg(struct mei_device *dev, u8 pg_cmd); void mei_hbm_pg_resume(struct mei_device *dev); int mei_hbm_cl_notify_req(struct mei_device *dev, struct mei_cl *cl, u8 request); - +int mei_hbm_cl_dma_map_req(struct mei_device *dev, struct mei_cl *cl); +int mei_hbm_cl_dma_unmap_req(struct mei_device *dev, struct mei_cl *cl); #endif /* _MEI_HBM_H_ */ |