linux/drivers/firmware/imx/rm.c

// SPDX-License-Identifier: GPL-2.0+
/*
 * Copyright 2020 NXP
 *
 * File containing client-side RPC functions for the RM service. These
 * function are ported to clients that communicate to the SC.
 */

#include <linux/firmware/imx/svc/rm.h>

struct imx_sc_msg_rm_rsrc_owned { … } __packed __aligned(…);

/*
 * This function check @resource is owned by current partition or not
 *
 * @param[in]     ipc         IPC handle
 * @param[in]     resource    resource the control is associated with
 *
 * @return Returns 0 for not owned and 1 for owned.
 */
bool imx_sc_rm_is_resource_owned(struct imx_sc_ipc *ipc, u16 resource)
{ … }
EXPORT_SYMBOL(…);

struct imx_sc_msg_rm_get_resource_owner { … } __packed __aligned(…);

/*
 * This function get @resource partition number
 *
 * @param[in]     ipc         IPC handle
 * @param[in]     resource    resource the control is associated with
 * @param[out]    pt          pointer to return the partition number
 *
 * @return Returns 0 for success and < 0 for errors.
 */
int imx_sc_rm_get_resource_owner(struct imx_sc_ipc *ipc, u16 resource, u8 *pt)
{ … }
EXPORT_SYMBOL(…);