| /* SPDX-License-Identifier: GPL-2.0-only */ |
| #ifndef _ASMRISCV_SBI_H_ |
| #define _ASMRISCV_SBI_H_ |
| |
| #define SBI_SUCCESS 0 |
| #define SBI_ERR_FAILURE -1 |
| #define SBI_ERR_NOT_SUPPORTED -2 |
| #define SBI_ERR_INVALID_PARAM -3 |
| #define SBI_ERR_DENIED -4 |
| #define SBI_ERR_INVALID_ADDRESS -5 |
| #define SBI_ERR_ALREADY_AVAILABLE -6 |
| #define SBI_ERR_ALREADY_STARTED -7 |
| #define SBI_ERR_ALREADY_STOPPED -8 |
| |
| #ifndef __ASSEMBLY__ |
| |
| enum sbi_ext_id { |
| SBI_EXT_BASE = 0x10, |
| SBI_EXT_TIME = 0x54494d45, |
| SBI_EXT_HSM = 0x48534d, |
| SBI_EXT_SRST = 0x53525354, |
| }; |
| |
| enum sbi_ext_base_fid { |
| SBI_EXT_BASE_GET_SPEC_VERSION = 0, |
| SBI_EXT_BASE_GET_IMP_ID, |
| SBI_EXT_BASE_GET_IMP_VERSION, |
| SBI_EXT_BASE_PROBE_EXT, |
| SBI_EXT_BASE_GET_MVENDORID, |
| SBI_EXT_BASE_GET_MARCHID, |
| SBI_EXT_BASE_GET_MIMPID, |
| }; |
| |
| enum sbi_ext_hsm_fid { |
| SBI_EXT_HSM_HART_START = 0, |
| SBI_EXT_HSM_HART_STOP, |
| SBI_EXT_HSM_HART_STATUS, |
| SBI_EXT_HSM_HART_SUSPEND, |
| }; |
| |
| enum sbi_ext_time_fid { |
| SBI_EXT_TIME_SET_TIMER = 0, |
| }; |
| |
| struct sbiret { |
| long error; |
| long value; |
| }; |
| |
| struct sbiret sbi_ecall(int ext, int fid, unsigned long arg0, |
| unsigned long arg1, unsigned long arg2, |
| unsigned long arg3, unsigned long arg4, |
| unsigned long arg5); |
| |
| void sbi_shutdown(void); |
| struct sbiret sbi_hart_start(unsigned long hartid, unsigned long entry, unsigned long sp); |
| long sbi_probe(int ext); |
| |
| #endif /* !__ASSEMBLY__ */ |
| #endif /* _ASMRISCV_SBI_H_ */ |