lineage_kernel_xcoverpro/drivers/misc/tzdev/tzdev_smc.h

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2023-06-18 22:53:49 +00:00
/*
* 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__*/