kernel_samsung_a34x-permissive/drivers/tee/tzdev/4.2.0/tzdev_smc.h
2024-04-28 15:49:01 +02:00

92 lines
3.5 KiB
C
Executable file
Raw Blame History

This file contains ambiguous Unicode characters

This file contains Unicode characters that might be confused with other characters. If you think that this is intentional, you can safely ignore this warning. Use the Escape button to reveal them.

/*
* Copyright (C) 2015 Samsung Electronics, Inc.
*
* This software is licensed under the terms of the GNU General Public
* License version 2, as published by the Free Software Foundation, and
* may be copied, distributed, and modified under those terms.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*/
#ifndef __TZDEV_SMC_H__
#define __TZDEV_SMC_H__
/* Fast SMC call mask. Bit 31 of SMC Function Identifier (SFI).
* SFI[31] = 1: SMC handler must not be pre-empted
* SFI[31] = 0: SMC handler can be preempted
*/
#define SMC_TYPE_STD 0
#define SMC_TYPE_FAST 1
/* SMC call MBZ mask. The bits must be zero just in case of
* fastcall, bit 31 of SFI is 1.
*/
#define SMC_FAST_CALL_MBZ 0x00FF0000
/* AARCH64 SMC call mask. Bit 30 of SMC Function Identifier (SFI).
* SFI[30] = 1: SMC calling convention SMC64 is used
* SFI[30] = 0: SMC calling convention SMC32 is used
*/
#define SMC_AARCH_32 0
#define SMC_AARCH_64 1
/* SMC call types.
* -------------------------------------------------------------
* | 0 | 0x00000000 | ARM Architecture Calls |
* --------------------------------------------------------------
* | 1 | 0x01000000 | CPU Service Calls |
* --------------------------------------------------------------
* | 2 | 0x02000000 | SIP Service Calls |
* --------------------------------------------------------------
* | 3 | 0x03000000 | OEM Service Calls |
* --------------------------------------------------------------
* | 4 | 0x04000000 | Standard Service Calls |
* --------------------------------------------------------------
* | 5-47 | 0x05000000 0x2F000000 | Reserved for future use |
* --------------------------------------------------------------
* | 48-49 | 0x30000000 0x31000000 | Trusted Application Calls|
* --------------------------------------------------------------
* | 50-63 | 0x32000000 0x3F000000 | Trusted OS Calls |
* --------------------------------------------------------------
*/
#define SMC_CPU_SERVICE_MASK 0x01000000
#define SMC_SIP_SERVICE_MASK 0x02000000
#define SMC_OEM_SERVICE_MASK 0x03000000
#define SMC_STANDARD_MASK_CALL 0x04000000
#define SMC_RESERVED_RANGE_START 0x05000000
#define SMC_RESERVED_RANGE_END 0x2F000000
#define SMC_TAPP0_SERVICE_MASK 0x30000000
#define SMC_TAPP1_SERVICE_MASK 0x31000000
#define SMC_TOS0_SERVICE_MASK 0x32000000
#define SMC_TOS1_SERVICE_MASK 0x33000000
#define SMC_TOS2_SERVICE_MASK 0x34000000
#define SMC_TOS3_SERVICE_MASK 0x35000000
#define SMC_TOS4_SERVICE_MASK 0x36000000
#define SMC_TOS5_SERVICE_MASK 0x37000000
#define SMC_TOS6_SERVICE_MASK 0x38000000
#define SMC_TOS7_SERVICE_MASK 0x39000000
#define SMC_TOS8_SERVICE_MASK 0x3A000000
#define SMC_TOS9_SERVICE_MASK 0x3B000000
#define SMC_TOS10_SERVICE_MASK 0x3C000000
#define SMC_TOS11_SERVICE_MASK 0x3D000000
#define SMC_TOS12_SERVICE_MASK 0x3E000000
#define SMC_TOS13_SERVICE_MASK 0x3F000000
/* SMC call function ID mask. */
#define SMC_FUNC_ID 0x0000FFFF
/* SMC helper to create SMC argument
* compatible to ARM SMC calling convention.
* usage: CREATE_SMC_CMD(SMC_STD_CALL, SMC_AARCH_64, SMC_TOS0_SECVICE_MASK, fid)
*/
#define CREATE_SMC_CMD(type, arch, range, fid) \
(((unsigned int)(type) << 31)|((arch) << 30) | (range)|(fid))
#endif /*__TZDEV_SMC_H__*/