19ccb00e4SAndrew Jones /* SPDX-License-Identifier: GPL-2.0-only */ 29ccb00e4SAndrew Jones #ifndef _ASMRISCV_SBI_H_ 39ccb00e4SAndrew Jones #define _ASMRISCV_SBI_H_ 49ccb00e4SAndrew Jones 59c92b28eSAndrew Jones #define SBI_SUCCESS 0 69c92b28eSAndrew Jones #define SBI_ERR_FAILURE -1 79c92b28eSAndrew Jones #define SBI_ERR_NOT_SUPPORTED -2 89c92b28eSAndrew Jones #define SBI_ERR_INVALID_PARAM -3 99c92b28eSAndrew Jones #define SBI_ERR_DENIED -4 109c92b28eSAndrew Jones #define SBI_ERR_INVALID_ADDRESS -5 119c92b28eSAndrew Jones #define SBI_ERR_ALREADY_AVAILABLE -6 129c92b28eSAndrew Jones #define SBI_ERR_ALREADY_STARTED -7 139c92b28eSAndrew Jones #define SBI_ERR_ALREADY_STOPPED -8 149c92b28eSAndrew Jones 159c92b28eSAndrew Jones #ifndef __ASSEMBLY__ 169c92b28eSAndrew Jones 179ccb00e4SAndrew Jones enum sbi_ext_id { 189ccb00e4SAndrew Jones SBI_EXT_BASE = 0x10, 1914fa12b1SJames Raphael Tiovalen SBI_EXT_TIME = 0x54494d45, 206489b8b0SJames Raphael Tiovalen SBI_EXT_IPI = 0x735049, 219c92b28eSAndrew Jones SBI_EXT_HSM = 0x48534d, 229ccb00e4SAndrew Jones SBI_EXT_SRST = 0x53525354, 23ce58d3a4SCade Richard SBI_EXT_DBCN = 0x4442434E, 249ccb00e4SAndrew Jones }; 259ccb00e4SAndrew Jones 269ccb00e4SAndrew Jones enum sbi_ext_base_fid { 279ccb00e4SAndrew Jones SBI_EXT_BASE_GET_SPEC_VERSION = 0, 289ccb00e4SAndrew Jones SBI_EXT_BASE_GET_IMP_ID, 299ccb00e4SAndrew Jones SBI_EXT_BASE_GET_IMP_VERSION, 309ccb00e4SAndrew Jones SBI_EXT_BASE_PROBE_EXT, 319ccb00e4SAndrew Jones SBI_EXT_BASE_GET_MVENDORID, 329ccb00e4SAndrew Jones SBI_EXT_BASE_GET_MARCHID, 339ccb00e4SAndrew Jones SBI_EXT_BASE_GET_MIMPID, 349ccb00e4SAndrew Jones }; 359ccb00e4SAndrew Jones 369c92b28eSAndrew Jones enum sbi_ext_hsm_fid { 379c92b28eSAndrew Jones SBI_EXT_HSM_HART_START = 0, 389c92b28eSAndrew Jones SBI_EXT_HSM_HART_STOP, 399c92b28eSAndrew Jones SBI_EXT_HSM_HART_STATUS, 409c92b28eSAndrew Jones SBI_EXT_HSM_HART_SUSPEND, 419c92b28eSAndrew Jones }; 429c92b28eSAndrew Jones 4314fa12b1SJames Raphael Tiovalen enum sbi_ext_time_fid { 4414fa12b1SJames Raphael Tiovalen SBI_EXT_TIME_SET_TIMER = 0, 4514fa12b1SJames Raphael Tiovalen }; 4614fa12b1SJames Raphael Tiovalen 476489b8b0SJames Raphael Tiovalen enum sbi_ext_ipi_fid { 486489b8b0SJames Raphael Tiovalen SBI_EXT_IPI_SEND_IPI = 0, 496489b8b0SJames Raphael Tiovalen }; 506489b8b0SJames Raphael Tiovalen 51ce58d3a4SCade Richard enum sbi_ext_dbcn_fid { 52ce58d3a4SCade Richard SBI_EXT_DBCN_CONSOLE_WRITE = 0, 53ce58d3a4SCade Richard SBI_EXT_DBCN_CONSOLE_READ, 54ce58d3a4SCade Richard SBI_EXT_DBCN_CONSOLE_WRITE_BYTE, 55ce58d3a4SCade Richard }; 56ce58d3a4SCade Richard 579ccb00e4SAndrew Jones struct sbiret { 589ccb00e4SAndrew Jones long error; 599ccb00e4SAndrew Jones long value; 609ccb00e4SAndrew Jones }; 619ccb00e4SAndrew Jones 629ccb00e4SAndrew Jones struct sbiret sbi_ecall(int ext, int fid, unsigned long arg0, 639ccb00e4SAndrew Jones unsigned long arg1, unsigned long arg2, 649ccb00e4SAndrew Jones unsigned long arg3, unsigned long arg4, 659ccb00e4SAndrew Jones unsigned long arg5); 669ccb00e4SAndrew Jones 679ccb00e4SAndrew Jones void sbi_shutdown(void); 689c92b28eSAndrew Jones struct sbiret sbi_hart_start(unsigned long hartid, unsigned long entry, unsigned long sp); 696489b8b0SJames Raphael Tiovalen struct sbiret sbi_send_ipi(unsigned long hart_mask, unsigned long hart_mask_base); 70*9340e4b7SAndrew Jones struct sbiret sbi_set_timer(unsigned long stime_value); 717040d2a9SJames Raphael Tiovalen long sbi_probe(int ext); 729ccb00e4SAndrew Jones 739c92b28eSAndrew Jones #endif /* !__ASSEMBLY__ */ 749ccb00e4SAndrew Jones #endif /* _ASMRISCV_SBI_H_ */ 75