[Intel-gfx] [PATCH v5 04/15] mei: bus: extend bus API to support command streamer API

Greg Kroah-Hartman gregkh at linuxfoundation.org
Sat Sep 24 12:16:19 UTC 2022


On Mon, Sep 12, 2022 at 05:57:28PM -0700, Daniele Ceraolo Spurio wrote:
> From: Vitaly Lubart <vitaly.lubart at intel.com>
> 
> Add mei bus API for sending gsc commands: mei_cldev_send_gsc_command()
> 
> The GSC commands are originated in the graphics stack
> and are in form of SGL DMA buffers.
> The GSC commands are synchronous, the response is received
> in the same call on the out sg list buffers.
> The function setups pointers for in and out sg lists in the
> mei sgl extended header and sends it to the firmware.
> 
> Signed-off-by: Vitaly Lubart <vitaly.lubart at intel.com>
> Signed-off-by: Tomas Winkler <tomas.winkler at intel.com>
> Signed-off-by: Daniele Ceraolo Spurio <daniele.ceraolospurio at intel.com>
> Cc: Greg Kroah-Hartman <gregkh at linuxfoundation.org>
> ---

Reviewed-by: Greg Kroah-Hartman <gregkh at linuxfoundation.org>


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