name : i915_pxp_tee_interface.h /* SPDX-License-Identifier: MIT */ /* * Copyright © 2020 Intel Corporation */ #ifndef _I915_PXP_TEE_INTERFACE_H_ #define _I915_PXP_TEE_INTERFACE_H_ #include <linux/mutex.h> #include <linux/device.h> struct scatterlist; /** * struct i915_pxp_component_ops - ops for PXP services. * @owner: Module providing the ops * @send: sends data to PXP * @receive: receives data from PXP */ struct i915_pxp_component_ops { /** * @owner: owner of the module provding the ops */ struct module *owner; int (*send)(struct device *dev, const void *message, size_t size, unsigned long timeout_ms); int (*recv)(struct device *dev, void *buffer, size_t size, unsigned long timeout_ms); ssize_t (*gsc_command)(struct device *dev, u8 client_id, u32 fence_id, struct scatterlist *sg_in, size_t total_in_len, struct scatterlist *sg_out); }; /** * struct i915_pxp_component - Used for communication between i915 and TEE * drivers for the PXP services * @tee_dev: device that provide the PXP service from TEE Bus. * @pxp_ops: Ops implemented by TEE driver, used by i915 driver. */ struct i915_pxp_component { struct device *tee_dev; const struct i915_pxp_component_ops *ops; /* To protect the above members. */ struct mutex mutex; }; #endif /* _I915_TEE_PXP_INTERFACE_H_ */