rm.h

 1/* SPDX-License-Identifier: GPL-2.0+ */
 2/*
 3 * Copyright (C) 2016 Freescale Semiconductor, Inc.
 4 * Copyright 2017-2020 NXP
 5 *
 6 * Header file containing the public API for the System Controller (SC)
 7 * Resource Management (RM) function. This includes functions for
 8 * partitioning resources, pads, and memory regions.
 9 *
10 * RM_SVC (SVC) Resource Management Service
11 *
12 * Module for the Resource Management (RM) service.
13 */
14
15#ifndef _SC_RM_API_H
16#define _SC_RM_API_H
17
18#include <linux/firmware/imx/sci.h>
19
20/*
21 * This type is used to indicate RPC RM function calls.
22 */
23enum imx_sc_rm_func {
24	IMX_SC_RM_FUNC_UNKNOWN = 0,
25	IMX_SC_RM_FUNC_PARTITION_ALLOC = 1,
26	IMX_SC_RM_FUNC_SET_CONFIDENTIAL = 31,
27	IMX_SC_RM_FUNC_PARTITION_FREE = 2,
28	IMX_SC_RM_FUNC_GET_DID = 26,
29	IMX_SC_RM_FUNC_PARTITION_STATIC = 3,
30	IMX_SC_RM_FUNC_PARTITION_LOCK = 4,
31	IMX_SC_RM_FUNC_GET_PARTITION = 5,
32	IMX_SC_RM_FUNC_SET_PARENT = 6,
33	IMX_SC_RM_FUNC_MOVE_ALL = 7,
34	IMX_SC_RM_FUNC_ASSIGN_RESOURCE = 8,
35	IMX_SC_RM_FUNC_SET_RESOURCE_MOVABLE = 9,
36	IMX_SC_RM_FUNC_SET_SUBSYS_RSRC_MOVABLE = 28,
37	IMX_SC_RM_FUNC_SET_MASTER_ATTRIBUTES = 10,
38	IMX_SC_RM_FUNC_SET_MASTER_SID = 11,
39	IMX_SC_RM_FUNC_SET_PERIPHERAL_PERMISSIONS = 12,
40	IMX_SC_RM_FUNC_IS_RESOURCE_OWNED = 13,
41	IMX_SC_RM_FUNC_GET_RESOURCE_OWNER = 33,
42	IMX_SC_RM_FUNC_IS_RESOURCE_MASTER = 14,
43	IMX_SC_RM_FUNC_IS_RESOURCE_PERIPHERAL = 15,
44	IMX_SC_RM_FUNC_GET_RESOURCE_INFO = 16,
45	IMX_SC_RM_FUNC_MEMREG_ALLOC = 17,
46	IMX_SC_RM_FUNC_MEMREG_SPLIT = 29,
47	IMX_SC_RM_FUNC_MEMREG_FRAG = 32,
48	IMX_SC_RM_FUNC_MEMREG_FREE = 18,
49	IMX_SC_RM_FUNC_FIND_MEMREG = 30,
50	IMX_SC_RM_FUNC_ASSIGN_MEMREG = 19,
51	IMX_SC_RM_FUNC_SET_MEMREG_PERMISSIONS = 20,
52	IMX_SC_RM_FUNC_IS_MEMREG_OWNED = 21,
53	IMX_SC_RM_FUNC_GET_MEMREG_INFO = 22,
54	IMX_SC_RM_FUNC_ASSIGN_PAD = 23,
55	IMX_SC_RM_FUNC_SET_PAD_MOVABLE = 24,
56	IMX_SC_RM_FUNC_IS_PAD_OWNED = 25,
57	IMX_SC_RM_FUNC_DUMP = 27,
58};
59
60#if IS_ENABLED(CONFIG_IMX_SCU)
61bool imx_sc_rm_is_resource_owned(struct imx_sc_ipc *ipc, u16 resource);
62int imx_sc_rm_get_resource_owner(struct imx_sc_ipc *ipc, u16 resource, u8 *pt);
63#else
64static inline bool
65imx_sc_rm_is_resource_owned(struct imx_sc_ipc *ipc, u16 resource)
66{
67	return true;
68}
69static inline int imx_sc_rm_get_resource_owner(struct imx_sc_ipc *ipc, u16 resource, u8 *pt)
70{
71	return -EOPNOTSUPP;
72}
73#endif
74#endif