From: Alexander Usyskin <alexander.usyskin@xxxxxxxxx> GSC Proxy component is used for communication between the Intel graphics driver and MEI driver. Cc: Daniele Ceraolo Spurio <daniele.ceraolospurio@xxxxxxxxx> Cc: Alan Previn <alan.previn.teres.alexis@xxxxxxxxx> Signed-off-by: Alexander Usyskin <alexander.usyskin@xxxxxxxxx> Signed-off-by: Tomas Winkler <tomas.winkler@xxxxxxxxx> Acked-by: Greg Kroah-Hartman <gregkh@xxxxxxxxxxxxxxxxxxx> --- include/drm/i915_component.h | 3 +- include/drm/i915_gsc_proxy_mei_interface.h | 36 ++++++++++++++++++++++ 2 files changed, 38 insertions(+), 1 deletion(-) create mode 100644 include/drm/i915_gsc_proxy_mei_interface.h diff --git a/include/drm/i915_component.h b/include/drm/i915_component.h index c1e2a43d2d1e..56a84ee1c64c 100644 --- a/include/drm/i915_component.h +++ b/include/drm/i915_component.h @@ -29,7 +29,8 @@ enum i915_component_type { I915_COMPONENT_AUDIO = 1, I915_COMPONENT_HDCP, - I915_COMPONENT_PXP + I915_COMPONENT_PXP, + I915_COMPONENT_GSC_PROXY, }; /* MAX_PORT is the number of port diff --git a/include/drm/i915_gsc_proxy_mei_interface.h b/include/drm/i915_gsc_proxy_mei_interface.h new file mode 100644 index 000000000000..e817bb316d5c --- /dev/null +++ b/include/drm/i915_gsc_proxy_mei_interface.h @@ -0,0 +1,36 @@ +/* SPDX-License-Identifier: MIT */ +/* + * Copyright (c) 2022-2023 Intel Corporation + */ + +#ifndef _I915_GSC_PROXY_MEI_INTERFACE_H_ +#define _I915_GSC_PROXY_MEI_INTERFACE_H_ + +#include <linux/mutex.h> +#include <linux/device.h> + +/** + * struct i915_gsc_proxy_component_ops - ops for GSC Proxy services. + * @owner: Module providing the ops + * @send: sends data through GSC proxy + * @recv: receives data through GSC proxy + */ +struct i915_gsc_proxy_component_ops { + struct module *owner; + + int (*send)(struct device *dev, const void *buf, size_t size); + int (*recv)(struct device *dev, void *buf, size_t size); +}; + +/** + * struct i915_gsc_proxy_component - Used for communication between i915 and + * MEI drivers for GSC proxy services + * @mei_dev: device that provide the GSC proxy service. + * @ops: Ops implemented by GSC proxy driver, used by i915 driver. + */ +struct i915_gsc_proxy_component { + struct device *mei_dev; + const struct i915_gsc_proxy_component_ops *ops; +}; + +#endif /* _I915_GSC_PROXY_MEI_INTERFACE_H_ */ -- 2.37.3