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   */
23  enum 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)
61  bool imx_sc_rm_is_resource_owned(struct imx_sc_ipc *ipc, u16 resource);
62  int imx_sc_rm_get_resource_owner(struct imx_sc_ipc *ipc, u16 resource, u8 *pt);
63  #else
64  static inline bool
imx_sc_rm_is_resource_owned(struct imx_sc_ipc * ipc,u16 resource)65  imx_sc_rm_is_resource_owned(struct imx_sc_ipc *ipc, u16 resource)
66  {
67  	return true;
68  }
imx_sc_rm_get_resource_owner(struct imx_sc_ipc * ipc,u16 resource,u8 * pt)69  static 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
75