mei: update mei-pxp's component interface with timeouts

In debugging platform or firmware related MEI-PXP connection
issues, having a timeout when clients (such as i915) calling
into mei-pxp's send/receive functions have proven useful as opposed to
blocking forever until the kernel triggers a watchdog panic (when
platform issues are experienced).

Update the mei-pxp component interface send and receive functions
to take in timeouts.

Signed-off-by: Alan Previn <alan.previn.teres.alexis@intel.com>
Signed-off-by: Alexander Usyskin <alexander.usyskin@intel.com>
Signed-off-by: Tomas Winkler <tomas.winkler@intel.com>
Link: https://lore.kernel.org/r/20231011110157.247552-5-tomas.winkler@intel.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

mei: pxp: add command streamer API to the PXP driver

The discrete graphics card with GSC firmware
using command streamer API hence it requires to enhance
pxp module with the new gsc_command() handler.

The handler is implemented via mei_pxp_gsc_command() which is
just a thin wrapper around mei_cldev_send_gsc_command()

Signed-off-by: Vitaly Lubart <vitaly.lubart@intel.com>
Signed-off-by: Tomas Winkler <tomas.winkler@intel.com>
Signed-off-by: Daniele Ceraolo Spurio <daniele.ceraolospurio@intel.com>
Cc: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Reviewed-by: Alan Previn <alan.previn.teres.alexis@intel.com>
Reviewed-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Link: https://patchwork.freedesktop.org/patch/msgid/20220928004145.745803-6-daniele.ceraolospurio@intel.com

drm/i915/pxp: Define PXP component interface

This will be used for communication between the i915 driver and the mei
one. Defining it in a stand-alone patch to avoid circualr dependedencies
between the patches modifying the 2 drivers.

Split out from an original patch from Huang, Sean Z

v2: rename the component struct (Rodrigo)

Signed-off-by: Daniele Ceraolo Spurio <daniele.ceraolospurio@intel.com>
Cc: Rodrigo Vivi <rodrigo.vivi@intel.com>
Reviewed-by: Rodrigo Vivi <rodrigo.vivi@intel.com>
Signed-off-by: Rodrigo Vivi <rodrigo.vivi@intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20210924191452.1539378-2-alan.previn.teres.alexis@intel.com