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/* SPDX-License-Identifier: GPL-2.0 */
/*
* GXP firmware data manager.
* A sub-module responsible for managing the resources/data regions shared
* between the GXP driver and FW.
*
* Copyright (C) 2021 Google LLC
*/
#ifndef __GXP_FIRMWARE_DATA_H__
#define __GXP_FIRMWARE_DATA_H__
#include "gxp-internal.h"
/**
* gxp_fw_data_init() - Initializes the FW data manager submodule.
* @gxp: The parent GXP device
*
* Return:
* 0 - Successfully initialized submodule
* -ENOMEM - Insufficient memory to create the submodule
* -ENODEV - Failed to locate the shared driver-device region
* -Other - Error codes propagated from internal functions.
*/
int gxp_fw_data_init(struct gxp_dev *gxp);
/**
* gxp_fw_data_create_app() - Allocates HW and memory resources needed to create
* a GXP device application (1:1 with a GXP driver
* virtual device) used by the specified physical
* cores.
* @gxp: The parent GXP device
* @core_list: A bitmap of the physical cores used in this application
*
* Return:
* ptr - A pointer of the newly created application handle, an error pointer
* (PTR_ERR) otherwise.
* -ENOMEM - Insufficient memory to create the application
*/
void *gxp_fw_data_create_app(struct gxp_dev *gxp, uint core_list);
/**
* gxp_fw_data_destroy_app() - Deallocates the HW and memory resources used by
* the specified application.
* @gxp: The parent GXP device
* @application: The handle to the application to deallocate
*/
void gxp_fw_data_destroy_app(struct gxp_dev *gxp, void *application);
/**
* gxp_fw_data_destroy() - Destroys the FW data manager submodule and free all
* its resources.
* @gxp: The parent GXP device
*/
void gxp_fw_data_destroy(struct gxp_dev *gxp);
#endif /* __GXP_FIRMWARE_DATA_H__ */
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